Merge branch 'topic/error' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into regulator-fixed

.cocciconfig

@@ -0,0 +1,3 @@
+[spatch]
+	options = --timeout 200
+	options = --use-gitgrep

.gitattributes

@@ -0,0 +1,2 @@
+*.c   diff=cpp
+*.h   diff=cpp

.gitignore

@@ -37,6 +37,7 @@ modules.builtin
 Module.symvers
 *.dwo
 *.su
+*.c.[012]*.*
 
 #
 # Top-level generic files
@@ -66,6 +67,7 @@ Module.symvers
 #
 !.gitignore
 !.mailmap
+!.cocciconfig
 
 #
 # Generated include files

.mailmap

@@ -11,6 +11,7 @@ Aaron Durbin <adurbin@google.com>
 Adam Oldham <oldhamca@gmail.com>
 Adam Radford <aradford@gmail.com>
 Adrian Bunk <bunk@stusta.de>
+Adriana Reus <adi.reus@gmail.com> <adriana.reus@intel.com>
 Alan Cox <alan@lxorguk.ukuu.org.uk>
 Alan Cox <root@hraefn.swansea.linux.org.uk>
 Aleksey Gorelov <aleksey_gorelov@phoenix.com>
@@ -21,6 +22,7 @@ Andrey Ryabinin <ryabinin.a.a@gmail.com> <a.ryabinin@samsung.com>
 Andrew Morton <akpm@linux-foundation.org>
 Andrew Vasquez <andrew.vasquez@qlogic.com>
 Andy Adamson <andros@citi.umich.edu>
+Antoine Tenart <antoine.tenart@free-electrons.com>
 Antonio Ospite <ao2@ao2.it> <ao2@amarulasolutions.com>
 Archit Taneja <archit@ti.com>
 Arnaud Patard <arnaud.patard@rtp-net.org>
@@ -30,6 +32,9 @@ Axel Lin <axel.lin@gmail.com>
 Ben Gardner <bgardner@wabtec.com>
 Ben M Cahill <ben.m.cahill@intel.com>
 Björn Steinbrink <B.Steinbrink@gmx.de>
+Boris Brezillon <boris.brezillon@free-electrons.com>
+Boris Brezillon <boris.brezillon@free-electrons.com> <b.brezillon.dev@gmail.com>
+Boris Brezillon <boris.brezillon@free-electrons.com> <b.brezillon@overkiz.com>
 Brian Avery <b.avery@hp.com>
 Brian King <brking@us.ibm.com>
 Christoph Hellwig <hch@lst.de>
@@ -64,11 +69,14 @@ James Bottomley <jejb@mulgrave.(none)>
 James Bottomley <jejb@titanic.il.steeleye.com>
 James E Wilson <wilson@specifix.com>
 James Ketrenos <jketreno@io.(none)>
+Javi Merino <javi.merino@kernel.org> <javi.merino@arm.com>
 <javier@osg.samsung.com> <javier.martinez@collabora.co.uk>
 Jean Tourrilhes <jt@hpl.hp.com>
 Jeff Garzik <jgarzik@pretzel.yyz.us>
 Jens Axboe <axboe@suse.de>
 Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
+Johan Hovold <johan@kernel.org> <jhovold@gmail.com>
+Johan Hovold <johan@kernel.org> <johan@hovoldconsulting.com>
 John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
 John Stultz <johnstul@us.ibm.com>
 <josh@joshtriplett.org> <josh@freedesktop.org>
@@ -83,12 +91,24 @@ Kay Sievers <kay.sievers@vrfy.org>
 Kenneth W Chen <kenneth.w.chen@intel.com>
 Konstantin Khlebnikov <koct9i@gmail.com> <k.khlebnikov@samsung.com>
 Koushik <raghavendra.koushik@neterion.com>
+Krzysztof Kozlowski <krzk@kernel.org> <k.kozlowski@samsung.com>
 Krzysztof Kozlowski <krzk@kernel.org> <k.kozlowski.k@gmail.com>
 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
 Leonid I Ananiev <leonid.i.ananiev@intel.com>
 Linas Vepstas <linas@austin.ibm.com>
+Linus Lüssing <linus.luessing@c0d3.blue> <linus.luessing@web.de>
+Linus Lüssing <linus.luessing@c0d3.blue> <linus.luessing@ascom.ch>
 Mark Brown <broonie@sirena.org.uk>
 Matthieu CASTET <castet.matthieu@free.fr>
+Mauro Carvalho Chehab <mchehab@kernel.org> <mchehab@brturbo.com.br>
+Mauro Carvalho Chehab <mchehab@kernel.org> <maurochehab@gmail.com>
+Mauro Carvalho Chehab <mchehab@kernel.org> <mchehab@infradead.org>
+Mauro Carvalho Chehab <mchehab@kernel.org> <mchehab@redhat.com>
+Mauro Carvalho Chehab <mchehab@kernel.org> <m.chehab@samsung.com>
+Mauro Carvalho Chehab <mchehab@kernel.org> <mchehab@osg.samsung.com>
+Mauro Carvalho Chehab <mchehab@kernel.org> <mchehab@s-opensource.com>
+Matt Ranostay <mranostay@gmail.com> Matthew Ranostay <mranostay@embeddedalley.com>
+Matt Ranostay <mranostay@gmail.com> <matt.ranostay@intel.com>
 Mayuresh Janorkar <mayur@ti.com>
 Michael Buesch <m@bues.ch>
 Michel Dänzer <michel@tungstengraphics.com>
@@ -107,6 +127,7 @@ Peter Oruba <peter@oruba.de>
 Peter Oruba <peter.oruba@amd.com>
 Pratyush Anand <pratyush.anand@gmail.com> <pratyush.anand@st.com>
 Praveen BP <praveenbp@ti.com>
+Qais Yousef <qsyousef@gmail.com> <qais.yousef@imgtec.com>
 Rajesh Shah <rajesh.shah@intel.com>
 Ralf Baechle <ralf@linux-mips.org>
 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
@@ -122,6 +143,10 @@ Santosh Shilimkar <santosh.shilimkar@oracle.org>
 Sascha Hauer <s.hauer@pengutronix.de>
 S.Çağlar Onur <caglar@pardus.org.tr>
 Shiraz Hashim <shiraz.linux.kernel@gmail.com> <shiraz.hashim@st.com>
+Shuah Khan <shuah@kernel.org> <shuahkhan@gmail.com>
+Shuah Khan <shuah@kernel.org> <shuah.khan@hp.com>
+Shuah Khan <shuah@kernel.org> <shuahkh@osg.samsung.com>
+Shuah Khan <shuah@kernel.org> <shuah.kh@samsung.com>
 Simon Kelley <simon@thekelleys.org.uk>
 Stéphane Witzmann <stephane.witzmann@ubpmes.univ-bpclermont.fr>
 Stephen Hemminger <shemminger@osdl.org>
@@ -138,6 +163,9 @@ Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
 Viresh Kumar <vireshk@kernel.org> <viresh.kumar@st.com>
 Viresh Kumar <vireshk@kernel.org> <viresh.linux@gmail.com>
 Viresh Kumar <vireshk@kernel.org> <viresh.kumar2@arm.com>
+Vlad Dogaru <ddvlad@gmail.com> <vlad.dogaru@intel.com>
+Vladimir Davydov <vdavydov.dev@gmail.com> <vdavydov@virtuozzo.com>
+Vladimir Davydov <vdavydov.dev@gmail.com> <vdavydov@parallels.com>
 Takashi YOSHII <takashi.yoshii.zj@renesas.com>
 Yusuke Goda <goda.yusuke@renesas.com>
 Gustavo Padovan <gustavo@las.ic.unicamp.br>

CREDITS

@@ -649,6 +649,7 @@ D: Configure, Menuconfig, xconfig
 
 N: Mauro Carvalho Chehab
 E: m.chehab@samsung.org
+E: mchehab@osg.samsung.com
 E: mchehab@infradead.org
 D: Media subsystem (V4L/DVB) drivers and core
 D: EDAC drivers and EDAC 3.0 core rework
@@ -1089,6 +1090,10 @@ S: 6350 Stoneridge Mall Road
 S: Pleasanton, CA 94588
 S: USA
 
+N: Dmitry Eremin-Solenikov
+E: dbaryshkov@gmail.com
+D: Power Supply Maintainer from v3.14 - v3.15
+
 N: Doug Evans
 E: dje@cygnus.com
 D: Wrote Xenix FS (part of standard kernel since 0.99.15)
@@ -1943,6 +1948,11 @@ E: kraxel@bytesex.org
 E: kraxel@suse.de
 D: video4linux, bttv, vesafb, some scsi, misc fixes
 
+N: Hans J. Koch
+D: USERSPACE I/O, MAX6650
+D: Hans passed away in June 2016, and will be greatly missed.
+W: https://lwn.net/Articles/691000/
+
 N: Harald Koenig
 E: koenig@tat.physik.uni-tuebingen.de
 D: XFree86 (S3), DCF77, some kernel hacks and fixes
@@ -2286,11 +2296,11 @@ D: Initial implementation of VC's, pty's and select()
 
 N: Pavel Machek
 E: pavel@ucw.cz
-D: Softcursor for vga, hypertech cdrom support, vcsa bugfix, nbd
+P: 4096R/92DFCE96 4FA7 9EEF FCD4 C44F C585  B8C7 C060 2241 92DF CE96
+D: Softcursor for vga, hypertech cdrom support, vcsa bugfix, nbd,
 D: sun4/330 port, capabilities for elf, speedup for rm on ext2, USB,
-D: work on suspend-to-ram/disk, killing duplicates from ioctl32
-S: Volkova 1131
-S: 198 00 Praha 9
+D: work on suspend-to-ram/disk, killing duplicates from ioctl32,
+D: Altera SoCFPGA and Nokia N900 support.
 S: Czech Republic
 
 N: Paul Mackerras
@@ -3517,6 +3527,10 @@ S: 145 Howard St.
 S: Northborough, MA 01532
 S: USA
 
+N: Doug Thompson
+E: dougthompson@xmission.com
+D: EDAC
+
 N: Tommy Thorn
 E: Tommy.Thorn@irisa.fr
 W: http://www.irisa.fr/prive/thorn/index.html
@@ -3653,6 +3667,10 @@ S: Obere Heerbergstrasse 17
 S: 97078 Wuerzburg
 S: Germany
 
+N: Jason Uhlenkott
+E: juhlenko@akamai.com
+D: I3000 EDAC driver
+
 N: Greg Ungerer
 E: gerg@snapgear.com
 D: uClinux kernel hacker
@@ -3690,7 +3708,7 @@ S: Germany
 N: Geert Uytterhoeven
 E: geert@linux-m68k.org
 W: http://users.telenet.be/geertu/
-P: 1024/862678A6 C51D 361C 0BD1 4C90 B275  C553 6EEA 11BA 8626 78A6
+P: 4096R/4804B4BC3F55EEFB 750D 82B0 A781 5431 5E25  925B 4804 B4BC 3F55 EEFB
 D: m68k/Amiga and PPC/CHRP Longtrail coordinator
 D: Frame buffer device and XF68_FBDev maintainer
 D: m68k IDE maintainer

Documentation/.gitignore

@@ -0,0 +1,2 @@
+output
+*.pyc

Documentation/00-INDEX

@@ -46,7 +46,8 @@ IRQ.txt
 Intel-IOMMU.txt
 	- basic info on the Intel IOMMU virtualization support.
 Makefile
-	- some files in Documentation dir are actually sample code to build
+	- This file does nothing. Removing it breaks make htmldocs and
+	  make distclean.
 ManagementStyle
 	- how to (attempt to) manage kernel hackers.
 RCU/
@@ -255,10 +256,10 @@ kbuild/
 	- directory with info about the kernel build process.
 kdump/
 	- directory with mini HowTo on getting the crash dump code to work.
-kernel-doc-nano-HOWTO.txt
-	- mini HowTo on generation and location of kernel documentation files.
 kernel-docs.txt
 	- listing of various WWW + books that document kernel internals.
+kernel-documentation.rst
+	- how to write and format reStructuredText kernel documentation
 kernel-parameters.txt
 	- summary listing of command line / boot prompt args for the kernel.
 kernel-per-CPU-kthreads.txt

Documentation/80211/cfg80211.rst

@@ -0,0 +1,345 @@
+==================
+cfg80211 subsystem
+==================
+
+Device registration
+===================
+
+.. kernel-doc:: include/net/cfg80211.h
+   :doc: Device registration
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: ieee80211_channel_flags
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: ieee80211_channel
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: ieee80211_rate_flags
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: ieee80211_rate
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: ieee80211_sta_ht_cap
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: ieee80211_supported_band
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_signal_type
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: wiphy_params_flags
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: wiphy_flags
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: wiphy
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: wireless_dev
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: wiphy_new
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: wiphy_register
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: wiphy_unregister
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: wiphy_free
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: wiphy_name
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: wiphy_dev
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: wiphy_priv
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: priv_to_wiphy
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: set_wiphy_dev
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: wdev_priv
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: ieee80211_iface_limit
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: ieee80211_iface_combination
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_check_combinations
+
+Actions and configuration
+=========================
+
+.. kernel-doc:: include/net/cfg80211.h
+   :doc: Actions and configuration
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_ops
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: vif_params
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: key_params
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: survey_info_flags
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: survey_info
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_beacon_data
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_ap_settings
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: station_parameters
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: rate_info_flags
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: rate_info
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: station_info
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: monitor_flags
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: mpath_info_flags
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: mpath_info
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: bss_parameters
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: ieee80211_txq_params
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_crypto_settings
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_auth_request
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_assoc_request
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_deauth_request
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_disassoc_request
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_ibss_params
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_connect_params
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_pmksa
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_rx_mlme_mgmt
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_auth_timeout
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_rx_assoc_resp
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_assoc_timeout
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_tx_mlme_mgmt
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_ibss_joined
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_connect_result
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_connect_bss
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_connect_timeout
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_roamed
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_disconnected
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_ready_on_channel
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_remain_on_channel_expired
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_new_sta
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_rx_mgmt
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_mgmt_tx_status
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_cqm_rssi_notify
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_cqm_pktloss_notify
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_michael_mic_failure
+
+Scanning and BSS list handling
+==============================
+
+.. kernel-doc:: include/net/cfg80211.h
+   :doc: Scanning and BSS list handling
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_ssid
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_scan_request
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_scan_done
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_bss
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_inform_bss
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_inform_bss_frame_data
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_inform_bss_data
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_unlink_bss
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_find_ie
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: ieee80211_bss_get_ie
+
+Utility functions
+=================
+
+.. kernel-doc:: include/net/cfg80211.h
+   :doc: Utility functions
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: ieee80211_channel_to_frequency
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: ieee80211_frequency_to_channel
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: ieee80211_get_channel
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: ieee80211_get_response_rate
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: ieee80211_hdrlen
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: ieee80211_get_hdrlen_from_skb
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: ieee80211_radiotap_iterator
+
+Data path helpers
+=================
+
+.. kernel-doc:: include/net/cfg80211.h
+   :doc: Data path helpers
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: ieee80211_data_to_8023
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: ieee80211_data_from_8023
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: ieee80211_amsdu_to_8023s
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_classify8021d
+
+Regulatory enforcement infrastructure
+=====================================
+
+.. kernel-doc:: include/net/cfg80211.h
+   :doc: Regulatory enforcement infrastructure
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: regulatory_hint
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: wiphy_apply_custom_regulatory
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: freq_reg_info
+
+RFkill integration
+==================
+
+.. kernel-doc:: include/net/cfg80211.h
+   :doc: RFkill integration
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: wiphy_rfkill_set_hw_state
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: wiphy_rfkill_start_polling
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: wiphy_rfkill_stop_polling
+
+Test mode
+=========
+
+.. kernel-doc:: include/net/cfg80211.h
+   :doc: Test mode
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_testmode_alloc_reply_skb
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_testmode_reply
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_testmode_alloc_event_skb
+
+.. kernel-doc:: include/net/cfg80211.h
+   :functions: cfg80211_testmode_event

Documentation/80211/conf.py

@@ -0,0 +1,5 @@
+# -*- coding: utf-8; mode: python -*-
+
+project = "Linux 802.11 Driver Developer's Guide"
+
+tags.add("subproject")

Documentation/80211/index.rst

@@ -0,0 +1,17 @@
+=====================================
+Linux 802.11 Driver Developer's Guide
+=====================================
+
+.. toctree::
+
+   introduction
+   cfg80211
+   mac80211
+   mac80211-advanced
+
+.. only::  subproject
+
+   Indices
+   =======
+
+   * :ref:`genindex`

Documentation/80211/introduction.rst

@@ -0,0 +1,17 @@
+============
+Introduction
+============
+
+Explaining wireless 802.11 networking in the Linux kernel
+
+Copyright 2007-2009 Johannes Berg
+
+These books attempt to give a description of the various subsystems
+that play a role in 802.11 wireless networking in Linux. Since these
+books are for kernel developers they attempts to document the
+structures and functions used in the kernel as well as giving a
+higher-level overview.
+
+The reader is expected to be familiar with the 802.11 standard as
+published by the IEEE in 802.11-2007 (or possibly later versions).
+References to this standard will be given as "802.11-2007 8.1.5".

Documentation/80211/mac80211-advanced.rst

@@ -0,0 +1,295 @@
+=============================
+mac80211 subsystem (advanced)
+=============================
+
+Information contained within this part of the book is of interest only
+for advanced interaction of mac80211 with drivers to exploit more
+hardware capabilities and improve performance.
+
+LED support
+===========
+
+Mac80211 supports various ways of blinking LEDs. Wherever possible,
+device LEDs should be exposed as LED class devices and hooked up to the
+appropriate trigger, which will then be triggered appropriately by
+mac80211.
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_get_tx_led_name
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_get_rx_led_name
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_get_assoc_led_name
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_get_radio_led_name
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_tpt_blink
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_tpt_led_trigger_flags
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_create_tpt_led_trigger
+
+Hardware crypto acceleration
+============================
+
+.. kernel-doc:: include/net/mac80211.h
+   :doc: Hardware crypto acceleration
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: set_key_cmd
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_key_conf
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_key_flags
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_get_tkip_p1k
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_get_tkip_p1k_iv
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_get_tkip_p2k
+
+Powersave support
+=================
+
+.. kernel-doc:: include/net/mac80211.h
+   :doc: Powersave support
+
+Beacon filter support
+=====================
+
+.. kernel-doc:: include/net/mac80211.h
+   :doc: Beacon filter support
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_beacon_loss
+
+Multiple queues and QoS support
+===============================
+
+TBD
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_tx_queue_params
+
+Access point mode support
+=========================
+
+TBD
+
+Some parts of the if_conf should be discussed here instead
+
+Insert notes about VLAN interfaces with hw crypto here or in the hw
+crypto chapter.
+
+support for powersaving clients
+-------------------------------
+
+.. kernel-doc:: include/net/mac80211.h
+   :doc: AP support for powersaving clients
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_get_buffered_bc
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_beacon_get
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_sta_eosp
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_frame_release_type
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_sta_ps_transition
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_sta_ps_transition_ni
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_sta_set_buffered
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_sta_block_awake
+
+Supporting multiple virtual interfaces
+======================================
+
+TBD
+
+Note: WDS with identical MAC address should almost always be OK
+
+Insert notes about having multiple virtual interfaces with different MAC
+addresses here, note which configurations are supported by mac80211, add
+notes about supporting hw crypto with it.
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_iterate_active_interfaces
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_iterate_active_interfaces_atomic
+
+Station handling
+================
+
+TODO
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_sta
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: sta_notify_cmd
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_find_sta
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_find_sta_by_ifaddr
+
+Hardware scan offload
+=====================
+
+TBD
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_scan_completed
+
+Aggregation
+===========
+
+TX A-MPDU aggregation
+---------------------
+
+.. kernel-doc:: net/mac80211/agg-tx.c
+   :doc: TX A-MPDU aggregation
+
+.. WARNING: DOCPROC directive not supported: !Cnet/mac80211/agg-tx.c
+
+RX A-MPDU aggregation
+---------------------
+
+.. kernel-doc:: net/mac80211/agg-rx.c
+   :doc: RX A-MPDU aggregation
+
+.. WARNING: DOCPROC directive not supported: !Cnet/mac80211/agg-rx.c
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_ampdu_mlme_action
+
+Spatial Multiplexing Powersave (SMPS)
+=====================================
+
+.. kernel-doc:: include/net/mac80211.h
+   :doc: Spatial multiplexing power save
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_request_smps
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_smps_mode
+
+TBD
+
+This part of the book describes the rate control algorithm interface and
+how it relates to mac80211 and drivers.
+
+Rate Control API
+================
+
+TBD
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_start_tx_ba_session
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_start_tx_ba_cb_irqsafe
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_stop_tx_ba_session
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_stop_tx_ba_cb_irqsafe
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_rate_control_changed
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_tx_rate_control
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: rate_control_send_low
+
+TBD
+
+This part of the book describes mac80211 internals.
+
+Key handling
+============
+
+Key handling basics
+-------------------
+
+.. kernel-doc:: net/mac80211/key.c
+   :doc: Key handling basics
+
+MORE TBD
+--------
+
+TBD
+
+Receive processing
+==================
+
+TBD
+
+Transmit processing
+===================
+
+TBD
+
+Station info handling
+=====================
+
+Programming information
+-----------------------
+
+.. kernel-doc:: net/mac80211/sta_info.h
+   :functions: sta_info
+
+.. kernel-doc:: net/mac80211/sta_info.h
+   :functions: ieee80211_sta_info_flags
+
+STA information lifetime rules
+------------------------------
+
+.. kernel-doc:: net/mac80211/sta_info.c
+   :doc: STA information lifetime rules
+
+Aggregation
+===========
+
+.. kernel-doc:: net/mac80211/sta_info.h
+   :functions: sta_ampdu_mlme
+
+.. kernel-doc:: net/mac80211/sta_info.h
+   :functions: tid_ampdu_tx
+
+.. kernel-doc:: net/mac80211/sta_info.h
+   :functions: tid_ampdu_rx
+
+Synchronisation
+===============
+
+TBD
+
+Locking, lots of RCU

Documentation/80211/mac80211.rst

@@ -0,0 +1,216 @@
+===========================
+mac80211 subsystem (basics)
+===========================
+
+You should read and understand the information contained within this
+part of the book while implementing a mac80211 driver. In some chapters,
+advanced usage is noted, those may be skipped if this isn't needed.
+
+This part of the book only covers station and monitor mode
+functionality, additional information required to implement the other
+modes is covered in the second part of the book.
+
+Basic hardware handling
+=======================
+
+TBD
+
+This chapter shall contain information on getting a hw struct allocated
+and registered with mac80211.
+
+Since it is required to allocate rates/modes before registering a hw
+struct, this chapter shall also contain information on setting up the
+rate/mode structs.
+
+Additionally, some discussion about the callbacks and the general
+programming model should be in here, including the definition of
+ieee80211_ops which will be referred to a lot.
+
+Finally, a discussion of hardware capabilities should be done with
+references to other parts of the book.
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_hw
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_hw_flags
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: SET_IEEE80211_DEV
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: SET_IEEE80211_PERM_ADDR
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_ops
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_alloc_hw
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_register_hw
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_unregister_hw
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_free_hw
+
+PHY configuration
+=================
+
+TBD
+
+This chapter should describe PHY handling including start/stop callbacks
+and the various structures used.
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_conf
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_conf_flags
+
+Virtual interfaces
+==================
+
+TBD
+
+This chapter should describe virtual interface basics that are relevant
+to the driver (VLANs, MGMT etc are not.) It should explain the use of
+the add_iface/remove_iface callbacks as well as the interface
+configuration callbacks.
+
+Things related to AP mode should be discussed there.
+
+Things related to supporting multiple interfaces should be in the
+appropriate chapter, a BIG FAT note should be here about this though and
+the recommendation to allow only a single interface in STA mode at
+first!
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_vif
+
+Receive and transmit processing
+===============================
+
+what should be here
+-------------------
+
+TBD
+
+This should describe the receive and transmit paths in mac80211/the
+drivers as well as transmit status handling.
+
+Frame format
+------------
+
+.. kernel-doc:: include/net/mac80211.h
+   :doc: Frame format
+
+Packet alignment
+----------------
+
+.. kernel-doc:: net/mac80211/rx.c
+   :doc: Packet alignment
+
+Calling into mac80211 from interrupts
+-------------------------------------
+
+.. kernel-doc:: include/net/mac80211.h
+   :doc: Calling mac80211 from interrupts
+
+functions/definitions
+---------------------
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_rx_status
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: mac80211_rx_flags
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: mac80211_tx_info_flags
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: mac80211_tx_control_flags
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: mac80211_rate_control_flags
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_tx_rate
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_tx_info
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_tx_info_clear_status
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_rx
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_rx_ni
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_rx_irqsafe
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_tx_status
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_tx_status_ni
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_tx_status_irqsafe
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_rts_get
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_rts_duration
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_ctstoself_get
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_ctstoself_duration
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_generic_frame_duration
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_wake_queue
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_stop_queue
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_wake_queues
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_stop_queues
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_queue_stopped
+
+Frame filtering
+===============
+
+.. kernel-doc:: include/net/mac80211.h
+   :doc: Frame filtering
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_filter_flags
+
+The mac80211 workqueue
+======================
+
+.. kernel-doc:: include/net/mac80211.h
+   :doc: mac80211 workqueue
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_queue_work
+
+.. kernel-doc:: include/net/mac80211.h
+   :functions: ieee80211_queue_delayed_work

Documentation/ABI/stable/sysfs-devices

@@ -1,7 +1,7 @@
 # Note: This documents additional properties of any device beyond what
 # is documented in Documentation/sysfs-rules.txt
 
-What:		/sys/devices/*/of_path
+What:		/sys/devices/*/of_node
 Date:		February 2015
 Contact:	Device Tree mailing list <devicetree@vger.kernel.org>
 Description:

Documentation/ABI/testing/configfs-acpi

@@ -0,0 +1,36 @@
+What:		/config/acpi
+Date:		July 2016
+KernelVersion:	4.8
+Contact:	linux-acpi@vger.kernel.org
+Description:
+		This represents the ACPI subsystem entry point directory. It
+		contains sub-groups corresponding to ACPI configurable options.
+
+What:		/config/acpi/table
+Date:		July 2016
+KernelVersion:	4.8
+Description:
+
+		This group contains the configuration for user defined ACPI
+		tables. The attributes of a user define table are:
+
+		aml 		- a binary attribute that the user can use to
+				fill in the ACPI aml definitions. Once the aml
+				data is written to this file and the file is
+				closed the table will be loaded and ACPI devices
+				will be enumerated. To check if the operation is
+				successful the user must check the error code
+				for close(). If the operation is successful,
+				subsequent writes to this attribute will fail.
+
+		The rest of the attributes are read-only and are valid only
+		after the table has been loaded by filling the aml entry:
+
+		signature 	- ASCII table signature
+		length 		- length of table in bytes, including the header
+		revision 	- ACPI Specification minor version number
+		oem_id 		- ASCII OEM identification
+		oem_table_id 	- ASCII OEM table identification
+		oem_revision 	- OEM revision number
+		asl_compiler_id - ASCII ASL compiler vendor ID
+		asl_compiler_revision - ASL compiler version

Documentation/ABI/testing/configfs-iio

@@ -19,3 +19,16 @@ KernelVersion:	4.4
 Description:
 		High resolution timers directory. Creating a directory here
 		will result in creating a hrtimer trigger in the IIO subsystem.
+
+What:		/config/iio/devices
+Date:		April 2016
+KernelVersion:	4.7
+Description:
+		Industrial IO software devices directory.
+
+What:		/config/iio/devices/dummy
+Date:		April 2016
+KernelVersion:	4.7
+Description:
+		Dummy IIO devices directory. Creating a directory here will result
+		in creating a dummy IIO device in the IIO subystem.

Documentation/ABI/testing/configfs-usb-gadget-uvc

@@ -1,6 +1,6 @@
 What:		/config/usb-gadget/gadget/functions/uvc.name
 Date:		Dec 2014
-KernelVersion:	3.20
+KernelVersion:	4.0
 Description:	UVC function directory
 
 		streaming_maxburst	- 0..15 (ss only)
@@ -9,37 +9,37 @@ Description:	UVC function directory
 
 What:		/config/usb-gadget/gadget/functions/uvc.name/control
 Date:		Dec 2014
-KernelVersion:	3.20
+KernelVersion:	4.0
 Description:	Control descriptors
 
 What:		/config/usb-gadget/gadget/functions/uvc.name/control/class
 Date:		Dec 2014
-KernelVersion:	3.20
+KernelVersion:	4.0
 Description:	Class descriptors
 
 What:		/config/usb-gadget/gadget/functions/uvc.name/control/class/ss
 Date:		Dec 2014
-KernelVersion:	3.20
+KernelVersion:	4.0
 Description:	Super speed control class descriptors
 
 What:		/config/usb-gadget/gadget/functions/uvc.name/control/class/fs
 Date:		Dec 2014
-KernelVersion:	3.20
+KernelVersion:	4.0
 Description:	Full speed control class descriptors
 
 What:		/config/usb-gadget/gadget/functions/uvc.name/control/terminal
 Date:		Dec 2014
-KernelVersion:	3.20
+KernelVersion:	4.0
 Description:	Terminal descriptors
 
 What:		/config/usb-gadget/gadget/functions/uvc.name/control/terminal/output
 Date:		Dec 2014
-KernelVersion:	3.20
+KernelVersion:	4.0
 Description:	Output terminal descriptors
 
 What:		/config/usb-gadget/gadget/functions/uvc.name/control/terminal/output/default
 Date:		Dec 2014
-KernelVersion:	3.20
+KernelVersion:	4.0
 Description:	Default output terminal descriptors
 
 		All attributes read only:
@@ -53,12 +53,12 @@ Description:	Default output terminal descriptors
 
 What:		/config/usb-gadget/gadget/functions/uvc.name/control/terminal/camera
 Date:		Dec 2014
-KernelVersion:	3.20
+KernelVersion:	4.0
 Description:	Camera terminal descriptors
 
 What:		/config/usb-gadget/gadget/functions/uvc.name/control/terminal/camera/default
 Date:		Dec 2014
-KernelVersion:	3.20
+KernelVersion:	4.0
 Description:	Default camera terminal descriptors
 
 		All attributes read only:
@@ -75,12 +75,12 @@ Description:	Default camera terminal descriptors
 
 What:		/config/usb-gadget/gadget/functions/uvc.name/control/processing
 Date:		Dec 2014
-KernelVersion:	3.20
+KernelVersion:	4.0
 Description:	Processing unit descriptors
 
 What:		/config/usb-gadget/gadget/functions/uvc.name/control/processing/default
 Date:		Dec 2014
-KernelVersion:	3.20
+KernelVersion:	4.0
 Description:	Default processing unit descriptors
 
 		All attributes read only:
@@ -94,49 +94,49 @@ Description:	Default processing unit descriptors
 
 What:		/config/usb-gadget/gadget/functions/uvc.name/control/header
 Date:		Dec 2014
-KernelVersion:	3.20
+KernelVersion:	4.0
 Description:	Control header descriptors
 
 What:		/config/usb-gadget/gadget/functions/uvc.name/control/header/name
 Date:		Dec 2014
-KernelVersion:	3.20
+KernelVersion:	4.0
 Description:	Specific control header descriptors
 
 dwClockFrequency
 bcdUVC
 What:		/config/usb-gadget/gadget/functions/uvc.name/streaming
 Date:		Dec 2014
-KernelVersion:	3.20
+KernelVersion:	4.0
 Description:	Streaming descriptors
 
 What:		/config/usb-gadget/gadget/functions/uvc.name/streaming/class
 Date:		Dec 2014
-KernelVersion:	3.20
+KernelVersion:	4.0
 Description:	Streaming class descriptors
 
 What:		/config/usb-gadget/gadget/functions/uvc.name/streaming/class/ss
 Date:		Dec 2014
-KernelVersion:	3.20
+KernelVersion:	4.0
 Description:	Super speed streaming class descriptors
 
 What:		/config/usb-gadget/gadget/functions/uvc.name/streaming/class/hs
 Date:		Dec 2014
-KernelVersion:	3.20
+KernelVersion:	4.0
 Description:	High speed streaming class descriptors
 
 What:		/config/usb-gadget/gadget/functions/uvc.name/streaming/class/fs
 Date:		Dec 2014
-KernelVersion:	3.20
+KernelVersion:	4.0
 Description:	Full speed streaming class descriptors
 
 What:		/config/usb-gadget/gadget/functions/uvc.name/streaming/color_matching
 Date:		Dec 2014
-KernelVersion:	3.20
+KernelVersion:	4.0
 Description:	Color matching descriptors
 
 What:		/config/usb-gadget/gadget/functions/uvc.name/streaming/color_matching/default
 Date:		Dec 2014
-KernelVersion:	3.20
+KernelVersion:	4.0
 Description:	Default color matching descriptors
 
 		All attributes read only:
@@ -150,12 +150,12 @@ Description:	Default color matching descriptors
 
 What:		/config/usb-gadget/gadget/functions/uvc.name/streaming/mjpeg
 Date:		Dec 2014
-KernelVersion:	3.20
+KernelVersion:	4.0
 Description:	MJPEG format descriptors
 
 What:		/config/usb-gadget/gadget/functions/uvc.name/streaming/mjpeg/name
 Date:		Dec 2014
-KernelVersion:	3.20
+KernelVersion:	4.0
 Description:	Specific MJPEG format descriptors
 
 		All attributes read only,
@@ -174,7 +174,7 @@ Description:	Specific MJPEG format descriptors
 
 What:		/config/usb-gadget/gadget/functions/uvc.name/streaming/mjpeg/name/name
 Date:		Dec 2014
-KernelVersion:	3.20
+KernelVersion:	4.0
 Description:	Specific MJPEG frame descriptors
 
 		dwFrameInterval		- indicates how frame interval can be
@@ -196,12 +196,12 @@ Description:	Specific MJPEG frame descriptors
 
 What:		/config/usb-gadget/gadget/functions/uvc.name/streaming/uncompressed
 Date:		Dec 2014
-KernelVersion:	3.20
+KernelVersion:	4.0
 Description:	Uncompressed format descriptors
 
 What:		/config/usb-gadget/gadget/functions/uvc.name/streaming/uncompressed/name
 Date:		Dec 2014
-KernelVersion:	3.20
+KernelVersion:	4.0
 Description:	Specific uncompressed format descriptors
 
 		bmaControls		- this format's data for bmaControls in
@@ -221,7 +221,7 @@ Description:	Specific uncompressed format descriptors
 
 What:		/config/usb-gadget/gadget/functions/uvc.name/streaming/uncompressed/name/name
 Date:		Dec 2014
-KernelVersion:	3.20
+KernelVersion:	4.0
 Description:	Specific uncompressed frame descriptors
 
 		dwFrameInterval		- indicates how frame interval can be
@@ -243,12 +243,12 @@ Description:	Specific uncompressed frame descriptors
 
 What:		/config/usb-gadget/gadget/functions/uvc.name/streaming/header
 Date:		Dec 2014
-KernelVersion:	3.20
+KernelVersion:	4.0
 Description:	Streaming header descriptors
 
 What:		/config/usb-gadget/gadget/functions/uvc.name/streaming/header/name
 Date:		Dec 2014
-KernelVersion:	3.20
+KernelVersion:	4.0
 Description:	Specific streaming header descriptors
 
 		All attributes read only:

Documentation/ABI/testing/sysfs-bus-iio

@@ -32,6 +32,13 @@ Description:
 		Description of the physical chip / device for device X.
 		Typically a part number.
 
+What:		/sys/bus/iio/devices/iio:deviceX/timestamp_clock
+KernelVersion:	4.5
+Contact:	linux-iio@vger.kernel.org
+Description:
+		String identifying current posix clock used to timestamp
+		buffered samples and events for device X.
+
 What:		/sys/bus/iio/devices/iio:deviceX/sampling_frequency
 What:		/sys/bus/iio/devices/iio:deviceX/buffer/sampling_frequency
 What:		/sys/bus/iio/devices/triggerX/sampling_frequency
@@ -1565,3 +1572,10 @@ Description:
 		* X is in the plane of the propellers, perpendicular to Y axis,
 		  and positive towards the starboard side of the UAV ;
 		* Z is perpendicular to propellers plane and positive upwards.
+
+What:		/sys/bus/iio/devices/iio:deviceX/in_electricalconductivity_raw
+KernelVersion:	4.8
+Contact:	linux-iio@vger.kernel.org
+Description:
+		Raw (unscaled no offset etc.) electric conductivity reading that
+		can be processed to siemens per meter.

Documentation/ABI/testing/sysfs-bus-iio-health-afe440x

@@ -1,54 +1,41 @@
-What:		/sys/bus/iio/devices/iio:deviceX/tia_resistanceY
-		/sys/bus/iio/devices/iio:deviceX/tia_capacitanceY
-Date:		December 2015
-KernelVersion:
-Contact:	Andrew F. Davis <afd@ti.com>
-Description:
-		Get and set the resistance and the capacitance settings for the
-		Transimpedance Amplifier. Y is 1 for Rf1 and Cf1, Y is 2 for
-		Rf2 and Cf2 values.
-
-What:		/sys/bus/iio/devices/iio:deviceX/tia_separate_en
-Date:		December 2015
-KernelVersion:
-Contact:	Andrew F. Davis <afd@ti.com>
-Description:
-		Enable or disable separate settings for the TransImpedance
-		Amplifier above, when disabled both values are set by the
-		first channel.
-
-What:		/sys/bus/iio/devices/iio:deviceX/in_intensity_ledY_raw
-		/sys/bus/iio/devices/iio:deviceX/in_intensity_ledY_ambient_raw
-Date:		December 2015
+What:		/sys/bus/iio/devices/iio:deviceX/in_intensityY_raw
+Date:		May 2016
 KernelVersion:
 Contact:	Andrew F. Davis <afd@ti.com>
 Description:
 		Get measured values from the ADC for these stages. Y is the
-		specific LED number. The values are expressed in 24-bit twos
-		complement.
+		specific stage number corresponding to datasheet stage names
+		as follows:
+		1 -> LED2
+		2 -> ALED2/LED3
+		3 -> LED1
+		4 -> ALED1/LED4
+		Note that channels 5 and 6 represent LED2-ALED2 and LED1-ALED1
+		respectively which simply helper channels containing the
+		calculated difference in the value of stage 1 - 2 and 3 - 4.
+		The values are expressed in 24-bit twos complement.
 
-What:		/sys/bus/iio/devices/iio:deviceX/in_intensity_ledY-ledY_ambient_raw
-Date:		December 2015
+What:		/sys/bus/iio/devices/iio:deviceX/in_intensityY_offset
+Date:		May 2016
 KernelVersion:
 Contact:	Andrew F. Davis <afd@ti.com>
 Description:
-		Get differential values from the ADC for these stages. Y is the
-		specific LED number. The values are expressed in 24-bit twos
-		complement for the specified LEDs.
+		Get and set the offset cancellation DAC setting for these
+		stages. The values are expressed in 5-bit sign-magnitude.
 
-What:		/sys/bus/iio/devices/iio:deviceX/out_current_ledY_offset
-		/sys/bus/iio/devices/iio:deviceX/out_current_ledY_ambient_offset
-Date:		December 2015
+What:		/sys/bus/iio/devices/iio:deviceX/in_intensityY_resistance
+What:		/sys/bus/iio/devices/iio:deviceX/in_intensityY_capacitance
+Date:		May 2016
 KernelVersion:
 Contact:	Andrew F. Davis <afd@ti.com>
 Description:
-		Get and set the offset cancellation DAC setting for these
-		stages. The values are expressed in 5-bit sign-magnitude.
+		Get and set the resistance and the capacitance settings for the
+		Transimpedance Amplifier during the associated stage.
 
-What:		/sys/bus/iio/devices/iio:deviceX/out_current_ledY_raw
-Date:		December 2015
+What:		/sys/bus/iio/devices/iio:deviceX/out_currentY_raw
+Date:		May 2016
 KernelVersion:
 Contact:	Andrew F. Davis <afd@ti.com>
 Description:
-		Get and set the LED current for the specified LED. Y is the
-		specific LED number.
+		Get and set the LED current for the specified LED active during
+		this stage. Y is the specific stage number.

Documentation/ABI/testing/sysfs-bus-iio-proximity-as3935

@@ -1,4 +1,4 @@
-What		/sys/bus/iio/devices/iio:deviceX/in_proximity_raw
+What		/sys/bus/iio/devices/iio:deviceX/in_proximity_input
 Date:		March 2014
 KernelVersion:	3.15
 Contact:	Matt Ranostay <mranostay@gmail.com>

Documentation/ABI/testing/sysfs-bus-rbd

@@ -6,7 +6,7 @@ Description:
 
 Being used for adding and removing rbd block devices.
 
-Usage: <mon ip addr> <options> <pool name> <rbd image name> [snap name]
+Usage: <mon ip addr> <options> <pool name> <rbd image name> [<snap name>]
 
  $ echo "192.168.0.1 name=admin rbd foo" > /sys/bus/rbd/add
 
@@ -14,9 +14,13 @@ The snapshot name can be "-" or omitted to map the image read/write. A <dev-id>
 will be assigned for any registered block device. If snapshot is used, it will
 be mapped read-only.
 
-Removal of a device:
+Usage: <dev-id> [force]
 
-  $ echo <dev-id> > /sys/bus/rbd/remove
+ $ echo 2 > /sys/bus/rbd/remove
+
+Optional "force" argument which when passed will wait for running requests and
+then unmap the image. Requests sent to the driver after initiating the removal
+will be failed.  (August 2016, since 4.9.)
 
 What:		/sys/bus/rbd/add_single_major
 Date:		December 2013
@@ -43,10 +47,25 @@ Description:	Available only if rbd module is inserted with single_major
 Entries under /sys/bus/rbd/devices/<dev-id>/
 --------------------------------------------
 
+client_addr
+
+	The ceph unique client entity_addr_t (address + nonce).
+	The format is <address>:<port>/<nonce>: '1.2.3.4:1234/5678' or
+	'[1:2:3:4:5:6:7:8]:1234/5678'.  (August 2016, since 4.9.)
+
 client_id
 
 	The ceph unique client id that was assigned for this specific session.
 
+cluster_fsid
+
+	The ceph cluster UUID.  (August 2016, since 4.9.)
+
+config_info
+
+	The string written into /sys/bus/rbd/add{,_single_major}.  (August
+	2016, since 4.9.)
+
 features
 
 	A hexadecimal encoding of the feature bits for this image.
@@ -92,6 +111,10 @@ current_snap
 
 	The current snapshot for which the device is mapped.
 
+snap_id
+
+	The current snapshot's id.  (August 2016, since 4.9.)
+
 parent
 
 	Information identifying the chain of parent images in a layered rbd

Documentation/ABI/testing/sysfs-class-led

@@ -24,7 +24,8 @@ Description:
 		of led events.
 		You can change triggers in a similar manner to the way an IO
 		scheduler is chosen. Trigger specific parameters can appear in
-		/sys/class/leds/<led> once a given trigger is selected.
+		/sys/class/leds/<led> once a given trigger is selected. For
+		their documentation see sysfs-class-led-trigger-*.
 
 What:		/sys/class/leds/<led>/inverted
 Date:		January 2011

Documentation/ABI/testing/sysfs-class-led-trigger-oneshot

@@ -0,0 +1,36 @@
+What:		/sys/class/leds/<led>/delay_on
+Date:		Jun 2012
+KernelVersion:	3.6
+Contact:	linux-leds@vger.kernel.org
+Description:
+		Specifies for how many milliseconds the LED has to stay at
+		LED_FULL brightness after it has been armed.
+		Defaults to 100 ms.
+
+What:		/sys/class/leds/<led>/delay_off
+Date:		Jun 2012
+KernelVersion:	3.6
+Contact:	linux-leds@vger.kernel.org
+Description:
+		Specifies for how many milliseconds the LED has to stay at
+		LED_OFF brightness after it has been armed.
+		Defaults to 100 ms.
+
+What:		/sys/class/leds/<led>/invert
+Date:		Jun 2012
+KernelVersion:	3.6
+Contact:	linux-leds@vger.kernel.org
+Description:
+		Reverse the blink logic. If set to 0 (default) blink on for
+		delay_on ms, then blink off for delay_off ms, leaving the LED
+		normally off. If set to 1, blink off for delay_off ms, then
+		blink on for delay_on ms, leaving the LED normally on.
+		Setting this value also immediately changes the LED state.
+
+What:		/sys/class/leds/<led>/shot
+Date:		Jun 2012
+KernelVersion:	3.6
+Contact:	linux-leds@vger.kernel.org
+Description:
+		Write any non-empty string to signal an events, this starts a
+		blink sequence if not already running.

Documentation/ABI/testing/sysfs-class-led-trigger-usbport

@@ -0,0 +1,12 @@
+What:		/sys/class/leds/<led>/ports/<port>
+Date:		September 2016
+KernelVersion:	4.9
+Contact:	linux-leds@vger.kernel.org
+		linux-usb@vger.kernel.org
+Description:
+		Every dir entry represents a single USB port that can be
+		selected for the USB port trigger. Selecting ports makes trigger
+		observing them for any connected devices and lighting on LED if
+		there are any.
+		Echoing "1" value selects USB port. Echoing "0" unselects it.
+		Current state can be also read.

Documentation/ABI/testing/sysfs-class-mic.txt

@@ -153,7 +153,7 @@ Description:
 
 What:		/sys/class/mic/mic(x)/heartbeat_enable
 Date:		March 2015
-KernelVersion:	3.20
+KernelVersion:	4.4
 Contact:	Ashutosh Dixit <ashutosh.dixit@intel.com>
 Description:
 		The MIC drivers detect and inform user space about card crashes

Documentation/ABI/testing/sysfs-class-net-batman-adv

@@ -1,19 +1,10 @@
 
-What:		/sys/class/net/<iface>/batman-adv/throughput_override
-Date:		Feb 2014
-Contact:	Antonio Quartulli <antonio@meshcoding.com>
-description:
-		Defines the throughput value to be used by B.A.T.M.A.N. V
-		when estimating the link throughput using this interface.
-		If the value is set to 0 then batman-adv will try to
-		estimate the throughput by itself.
-
 What:           /sys/class/net/<iface>/batman-adv/elp_interval
 Date:           Feb 2014
 Contact:        Linus Lüssing <linus.luessing@web.de>
 Description:
                 Defines the interval in milliseconds in which batman
-                sends its probing packets for link quality measurements.
+                emits probing packets for neighbor sensing (ELP).
 
 What:           /sys/class/net/<iface>/batman-adv/iface_status
 Date:           May 2010
@@ -28,3 +19,12 @@ Description:
                 The /sys/class/net/<iface>/batman-adv/mesh_iface file
                 displays the batman mesh interface this <iface>
                 currently is associated with.
+
+What:           /sys/class/net/<iface>/batman-adv/throughput_override
+Date:           Feb 2014
+Contact:        Antonio Quartulli <a@unstable.cc>
+description:
+                Defines the throughput value to be used by B.A.T.M.A.N. V
+                when estimating the link throughput using this interface.
+                If the value is set to 0 then batman-adv will try to
+                estimate the throughput by itself.

Documentation/ABI/testing/sysfs-class-power

@@ -22,7 +22,7 @@ Description:
 What:		/sys/class/power_supply/max14577-charger/device/fast_charge_timer
 Date:		October 2014
 KernelVersion:	3.18.0
-Contact:	Krzysztof Kozlowski <k.kozlowski@samsung.com>
+Contact:	Krzysztof Kozlowski <krzk@kernel.org>
 Description:
 		This entry shows and sets the maximum time the max14577
 		charger operates in fast-charge mode. When the timer expires
@@ -36,7 +36,7 @@ Description:
 What:		/sys/class/power_supply/max77693-charger/device/fast_charge_timer
 Date:		January 2015
 KernelVersion:	3.19.0
-Contact:	Krzysztof Kozlowski <k.kozlowski@samsung.com>
+Contact:	Krzysztof Kozlowski <krzk@kernel.org>
 Description:
 		This entry shows and sets the maximum time the max77693
 		charger operates in fast-charge mode. When the timer expires
@@ -50,7 +50,7 @@ Description:
 What:		/sys/class/power_supply/max77693-charger/device/top_off_threshold_current
 Date:		January 2015
 KernelVersion:	3.19.0
-Contact:	Krzysztof Kozlowski <k.kozlowski@samsung.com>
+Contact:	Krzysztof Kozlowski <krzk@kernel.org>
 Description:
 		This entry shows and sets the charging current threshold for
 		entering top-off charging mode. When charging current in fast
@@ -65,7 +65,7 @@ Description:
 What:		/sys/class/power_supply/max77693-charger/device/top_off_timer
 Date:		January 2015
 KernelVersion:	3.19.0
-Contact:	Krzysztof Kozlowski <k.kozlowski@samsung.com>
+Contact:	Krzysztof Kozlowski <krzk@kernel.org>
 Description:
 		This entry shows and sets the maximum time the max77693
 		charger operates in top-off charge mode. When the timer expires

Documentation/ABI/testing/sysfs-class-pwm

@@ -77,3 +77,12 @@ Description:
 		Enable/disable the PWM signal.
 		0 is disabled
 		1 is enabled
+
+What:		/sys/class/pwm/pwmchipN/pwmX/capture
+Date:		June 2016
+KernelVersion:	4.8
+Contact:	Lee Jones <lee.jones@linaro.org>
+Description:
+		Capture information about a PWM signal. The output format is a
+		pair unsigned integers (period and duty cycle), separated by a
+		single space.

Documentation/ABI/testing/sysfs-devices-system-cpu

@@ -340,3 +340,13 @@ Description:	POWERNV CPUFreq driver's frequency throttle stats directory and
 		'policyX/throttle_stats' directory and all the attributes are same as
 		the /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats directory and
 		attributes which give the frequency throttle information of the chip.
+
+What:		/sys/devices/system/cpu/cpuX/regs/
+		/sys/devices/system/cpu/cpuX/regs/identification/
+		/sys/devices/system/cpu/cpuX/regs/identification/midr_el1
+		/sys/devices/system/cpu/cpuX/regs/identification/revidr_el1
+Date:		June 2016
+Contact:	Linux ARM Kernel Mailing list <linux-arm-kernel@lists.infradead.org>
+Description:	AArch64 CPU registers
+		'identification' directory exposes the CPU ID registers for
+		 identifying model and revision of the CPU.

Documentation/ABI/testing/sysfs-driver-hid-logitech-lg4ff

@@ -35,6 +35,12 @@ Description:	Displays a set of alternate modes supported by a wheel. Each
 		  DF-EX <*--------> G25 <-> G27
 		  DF-EX <*----------------> G27
 
+		G29:
+		  DF-EX <*> DFP <-> G25 <-> G27 <-> G29
+		  DF-EX <*--------> G25 <-> G27 <-> G29
+		  DF-EX <*----------------> G27 <-> G29
+		  DF-EX <*------------------------> G29
+
 		DFGT:
 		  DF-EX <*> DFP <-> DFGT
 		  DF-EX <*--------> DFGT
@@ -50,3 +56,12 @@ Description:	Displays the real model of the wheel regardless of any
 		alternate mode the wheel might be switched to.
 		It is a read-only value.
 		This entry is not created for devices that have only one mode.
+
+What:		/sys/bus/hid/drivers/logitech/<dev>/combine_pedals
+Date:		Sep 2016
+KernelVersion:	4.9
+Contact:	Simon Wood <simon@mungewell.org>
+Description:	Controls whether a combined value of accelerator and brake is
+		reported on the Y axis of the controller. Useful for older games
+		which can do not work with separate accelerator/brake axis.
+		Off ('0') by default, enabled by setting '1'.

Documentation/ABI/testing/sysfs-driver-wacom

@@ -24,6 +24,7 @@ What:		/sys/bus/hid/devices/<bus>:<vid>:<pid>.<n>/wacom_led/status0_luminance
 Date:		August 2014
 Contact:	linux-input@vger.kernel.org
 Description:
+		<obsoleted by the LED class API now exported by the driver>
 		Writing to this file sets the status LED luminance (1..127)
 		when the stylus does not touch the tablet surface, and no
 		button is pressed on the stylus. This luminance level is
@@ -33,6 +34,7 @@ What:		/sys/bus/hid/devices/<bus>:<vid>:<pid>.<n>/wacom_led/status1_luminance
 Date:		August 2014
 Contact:	linux-input@vger.kernel.org
 Description:
+		<obsoleted by the LED class API now exported by the driver>
 		Writing to this file sets the status LED luminance (1..127)
 		when the stylus touches the tablet surface, or any button is
 		pressed on the stylus.
@@ -41,6 +43,7 @@ What:		/sys/bus/hid/devices/<bus>:<vid>:<pid>.<n>/wacom_led/status_led0_select
 Date:		August 2014
 Contact:	linux-input@vger.kernel.org
 Description:
+		<obsoleted by the LED class API now exported by the driver>
 		Writing to this file sets which one of the four (for Intuos 4
 		and Intuos 5) or of the right four (for Cintiq 21UX2 and Cintiq
 		24HD) status LEDs is active (0..3). The other three LEDs on the
@@ -50,6 +53,7 @@ What:		/sys/bus/hid/devices/<bus>:<vid>:<pid>.<n>/wacom_led/status_led1_select
 Date:		August 2014
 Contact:	linux-input@vger.kernel.org
 Description:
+		<obsoleted by the LED class API now exported by the driver>
 		Writing to this file sets which one of the left four (for Cintiq 21UX2
 		and Cintiq 24HD) status LEDs is active (0..3). The other three LEDs on
 		the left are always inactive.
@@ -91,6 +95,7 @@ What:		/sys/bus/hid/devices/<bus>:<vid>:<pid>.<n>/wacom_remote/<serial_number>/r
 Date:		July 2015
 Contact:	linux-input@vger.kernel.org
 Description:
+		<obsoleted by the LED class API now exported by the driver>
 		Reading from this file reports the mode status of the
 		remote as indicated by the LED lights on the device. If no
 		reports have been received from the paired device, reading

Documentation/ABI/testing/sysfs-i2c-bmp085

@@ -1,31 +0,0 @@
-What:		/sys/bus/i2c/devices/<busnum>-<devaddr>/pressure0_input
-Date:		June 2010
-Contact:	Christoph Mair <christoph.mair@gmail.com>
-Description:	Start a pressure measurement and read the result. Values
-		represent the ambient air pressure in pascal (0.01 millibar).
-
-		Reading: returns the current air pressure.
-
-
-What:		/sys/bus/i2c/devices/<busnum>-<devaddr>/temp0_input
-Date:		June 2010
-Contact:	Christoph Mair <christoph.mair@gmail.com>
-Description:	Measure the ambient temperature. The returned value represents
-		the ambient temperature in units of 0.1 degree celsius.
-
-		Reading: returns the current temperature.
-
-
-What:		/sys/bus/i2c/devices/<busnum>-<devaddr>/oversampling
-Date:		June 2010
-Contact:	Christoph Mair <christoph.mair@gmail.com>
-Description:	Tell the bmp085 to use more samples to calculate a pressure
-		value. When writing to this file the chip will use 2^x samples
-		to calculate the next pressure value with x being the value
-		written. Using this feature will decrease RMS noise and
-		increase the measurement time.
-
-		Reading: returns the current oversampling setting.
-
-		Writing: sets a new oversampling setting.
-		Accepted values: 0..3.

Documentation/ABI/testing/sysfs-kernel-irq

@@ -0,0 +1,53 @@
+What:		/sys/kernel/irq
+Date:		September 2016
+KernelVersion:	4.9
+Contact:	Craig Gallek <kraig@google.com>
+Description:	Directory containing information about the system's IRQs.
+		Specifically, data from the associated struct irq_desc.
+		The information here is similar to that in /proc/interrupts
+		but in a more machine-friendly format.  This directory contains
+		one subdirectory for each Linux IRQ number.
+
+What:		/sys/kernel/irq/<irq>/actions
+Date:		September 2016
+KernelVersion:	4.9
+Contact:	Craig Gallek <kraig@google.com>
+Description:	The IRQ action chain.  A comma-separated list of zero or more
+		device names associated with this interrupt.
+
+What:		/sys/kernel/irq/<irq>/chip_name
+Date:		September 2016
+KernelVersion:	4.9
+Contact:	Craig Gallek <kraig@google.com>
+Description:	Human-readable chip name supplied by the associated device
+		driver.
+
+What:		/sys/kernel/irq/<irq>/hwirq
+Date:		September 2016
+KernelVersion:	4.9
+Contact:	Craig Gallek <kraig@google.com>
+Description:	When interrupt translation domains are used, this file contains
+		the underlying hardware IRQ number used for this Linux IRQ.
+
+What:		/sys/kernel/irq/<irq>/name
+Date:		September 2016
+KernelVersion:	4.9
+Contact:	Craig Gallek <kraig@google.com>
+Description:	Human-readable flow handler name as defined by the irq chip
+		driver.
+
+What:		/sys/kernel/irq/<irq>/per_cpu_count
+Date:		September 2016
+KernelVersion:	4.9
+Contact:	Craig Gallek <kraig@google.com>
+Description:	The number of times the interrupt has fired since boot.  This
+		is a comma-separated list of counters; one per CPU in CPU id
+		order.  NOTE: This file consistently shows counters for all
+		CPU ids.  This differs from the behavior of /proc/interrupts
+		which only shows counters for online CPUs.
+
+What:		/sys/kernel/irq/<irq>/type
+Date:		September 2016
+KernelVersion:	4.9
+Contact:	Craig Gallek <kraig@google.com>
+Description:	The type of the interrupt.  Either the string 'level' or 'edge'.

Documentation/Changes

@@ -1,8 +1,13 @@
+.. _changes:
+
+Minimal requerements to compile the Kernel
+++++++++++++++++++++++++++++++++++++++++++
+
 Intro
 =====
 
 This document is designed to provide a list of the minimum levels of
-software necessary to run the 3.0 kernels.
+software necessary to run the 4.x kernels.
 
 This document is originally based on my "Changes" file for 2.0.x kernels
 and therefore owes credit to the same people as that file (Jared Mauch,
@@ -10,9 +15,9 @@ Axel Boldt, Alessandro Sigala, and countless other users all over the
 'net).
 
 Current Minimal Requirements
-============================
+****************************
 
-Upgrade to at *least* these software revisions before thinking you've
+Upgrade to at **least** these software revisions before thinking you've
 encountered a bug!  If you're unsure what version you're currently
 running, the suggested command should tell you.
 
@@ -21,34 +26,40 @@ running a Linux kernel.  Also, not all tools are necessary on all
 systems; obviously, if you don't have any ISDN hardware, for example,
 you probably needn't concern yourself with isdn4k-utils.
 
-o  GNU C                  3.2                     # gcc --version
-o  GNU make               3.80                    # make --version
-o  binutils               2.12                    # ld -v
-o  util-linux             2.10o                   # fdformat --version
-o  module-init-tools      0.9.10                  # depmod -V
-o  e2fsprogs              1.41.4                  # e2fsck -V
-o  jfsutils               1.1.3                   # fsck.jfs -V
-o  reiserfsprogs          3.6.3                   # reiserfsck -V
-o  xfsprogs               2.6.0                   # xfs_db -V
-o  squashfs-tools         4.0                     # mksquashfs -version
-o  btrfs-progs            0.18                    # btrfsck
-o  pcmciautils            004                     # pccardctl -V
-o  quota-tools            3.09                    # quota -V
-o  PPP                    2.4.0                   # pppd --version
-o  isdn4k-utils           3.1pre1                 # isdnctrl 2>&1|grep version
-o  nfs-utils              1.0.5                   # showmount --version
-o  procps                 3.2.0                   # ps --version
-o  oprofile               0.9                     # oprofiled --version
-o  udev                   081                     # udevd --version
-o  grub                   0.93                    # grub --version || grub-install --version
-o  mcelog                 0.6                     # mcelog --version
-o  iptables               1.4.2                   # iptables -V
-o  openssl & libcrypto    1.0.0                   # openssl version
-o  bc                     1.06.95                 # bc --version
-
+====================== ===============  ========================================
+        Program        Minimal version       Command to check the version
+====================== ===============  ========================================
+GNU C                  3.2              gcc --version
+GNU make               3.80             make --version
+binutils               2.12             ld -v
+util-linux             2.10o            fdformat --version
+module-init-tools      0.9.10           depmod -V
+e2fsprogs              1.41.4           e2fsck -V
+jfsutils               1.1.3            fsck.jfs -V
+reiserfsprogs          3.6.3            reiserfsck -V
+xfsprogs               2.6.0            xfs_db -V
+squashfs-tools         4.0              mksquashfs -version
+btrfs-progs            0.18             btrfsck
+pcmciautils            004              pccardctl -V
+quota-tools            3.09             quota -V
+PPP                    2.4.0            pppd --version
+isdn4k-utils           3.1pre1          isdnctrl 2>&1|grep version
+nfs-utils              1.0.5            showmount --version
+procps                 3.2.0            ps --version
+oprofile               0.9              oprofiled --version
+udev                   081              udevd --version
+grub                   0.93             grub --version || grub-install --version
+mcelog                 0.6              mcelog --version
+iptables               1.4.2            iptables -V
+openssl & libcrypto    1.0.0            openssl version
+bc                     1.06.95          bc --version
+Sphinx\ [#f1]_	       1.2		sphinx-build --version
+====================== ===============  ========================================
+
+.. [#f1] Sphinx is needed only to build the Kernel documentation
 
 Kernel compilation
-==================
+******************
 
 GCC
 ---
@@ -64,16 +75,16 @@ You will need GNU make 3.80 or later to build the kernel.
 Binutils
 --------
 
-Linux on IA-32 has recently switched from using as86 to using gas for
-assembling the 16-bit boot code, removing the need for as86 to compile
+Linux on IA-32 has recently switched from using ``as86`` to using ``gas`` for
+assembling the 16-bit boot code, removing the need for ``as86`` to compile
 your kernel.  This change does, however, mean that you need a recent
 release of binutils.
 
 Perl
 ----
 
-You will need perl 5 and the following modules: Getopt::Long, Getopt::Std,
-File::Basename, and File::Find to build the kernel.
+You will need perl 5 and the following modules: ``Getopt::Long``,
+``Getopt::Std``, ``File::Basename``, and ``File::Find`` to build the kernel.
 
 BC
 --
@@ -93,7 +104,7 @@ and higher.
 
 
 System utilities
-================
+****************
 
 Architectural changes
 ---------------------
@@ -115,7 +126,7 @@ well as the desired DocBook stylesheets.
 Util-linux
 ----------
 
-New versions of util-linux provide *fdisk support for larger disks,
+New versions of util-linux provide ``fdisk`` support for larger disks,
 support new options to mount, recognize more supported partition
 types, have a fdformat which works with 2.4 kernels, and similar goodies.
 You'll probably want to upgrade.
@@ -125,54 +136,57 @@ Ksymoops
 
 If the unthinkable happens and your kernel oopses, you may need the
 ksymoops tool to decode it, but in most cases you don't.
-It is generally preferred to build the kernel with CONFIG_KALLSYMS so
+It is generally preferred to build the kernel with ``CONFIG_KALLSYMS`` so
 that it produces readable dumps that can be used as-is (this also
 produces better output than ksymoops).  If for some reason your kernel
-is not build with CONFIG_KALLSYMS and you have no way to rebuild and
+is not build with ``CONFIG_KALLSYMS`` and you have no way to rebuild and
 reproduce the Oops with that option, then you can still decode that Oops
 with ksymoops.
 
 Module-Init-Tools
 -----------------
 
-A new module loader is now in the kernel that requires module-init-tools
+A new module loader is now in the kernel that requires ``module-init-tools``
 to use.  It is backward compatible with the 2.4.x series kernels.
 
 Mkinitrd
 --------
 
-These changes to the /lib/modules file tree layout also require that
+These changes to the ``/lib/modules`` file tree layout also require that
 mkinitrd be upgraded.
 
 E2fsprogs
 ---------
 
-The latest version of e2fsprogs fixes several bugs in fsck and
+The latest version of ``e2fsprogs`` fixes several bugs in fsck and
 debugfs.  Obviously, it's a good idea to upgrade.
 
 JFSutils
 --------
 
-The jfsutils package contains the utilities for the file system.
+The ``jfsutils`` package contains the utilities for the file system.
 The following utilities are available:
-o fsck.jfs - initiate replay of the transaction log, and check
+
+- ``fsck.jfs`` - initiate replay of the transaction log, and check
   and repair a JFS formatted partition.
-o mkfs.jfs - create a JFS formatted partition.
-o other file system utilities are also available in this package.
+
+- ``mkfs.jfs`` - create a JFS formatted partition.
+
+- other file system utilities are also available in this package.
 
 Reiserfsprogs
 -------------
 
 The reiserfsprogs package should be used for reiserfs-3.6.x
 (Linux kernels 2.4.x). It is a combined package and contains working
-versions of mkreiserfs, resize_reiserfs, debugreiserfs and
-reiserfsck. These utils work on both i386 and alpha platforms.
+versions of ``mkreiserfs``, ``resize_reiserfs``, ``debugreiserfs`` and
+``reiserfsck``. These utils work on both i386 and alpha platforms.
 
 Xfsprogs
 --------
 
-The latest version of xfsprogs contains mkfs.xfs, xfs_db, and the
-xfs_repair utilities, among others, for the XFS filesystem.  It is
+The latest version of ``xfsprogs`` contains ``mkfs.xfs``, ``xfs_db``, and the
+``xfs_repair`` utilities, among others, for the XFS filesystem.  It is
 architecture independent and any version from 2.0.0 onward should
 work correctly with this version of the XFS kernel code (2.6.0 or
 later is recommended, due to some significant improvements).
@@ -180,7 +194,7 @@ later is recommended, due to some significant improvements).
 PCMCIAutils
 -----------
 
-PCMCIAutils replaces pcmcia-cs. It properly sets up
+PCMCIAutils replaces ``pcmcia-cs``. It properly sets up
 PCMCIA sockets at system startup and loads the appropriate modules
 for 16-bit PCMCIA devices if the kernel is modularized and the hotplug
 subsystem is used.
@@ -198,19 +212,20 @@ Intel IA32 microcode
 
 A driver has been added to allow updating of Intel IA32 microcode,
 accessible as a normal (misc) character device.  If you are not using
-udev you may need to:
+udev you may need to::
 
-mkdir /dev/cpu
-mknod /dev/cpu/microcode c 10 184
-chmod 0644 /dev/cpu/microcode
+  mkdir /dev/cpu
+  mknod /dev/cpu/microcode c 10 184
+  chmod 0644 /dev/cpu/microcode
 
 as root before you can use this.  You'll probably also want to
 get the user-space microcode_ctl utility to use with this.
 
 udev
 ----
-udev is a userspace application for populating /dev dynamically with
-only entries for devices actually present.  udev replaces the basic
+
+``udev`` is a userspace application for populating ``/dev`` dynamically with
+only entries for devices actually present. ``udev`` replaces the basic
 functionality of devfs, while allowing persistent device naming for
 devices.
 
@@ -218,10 +233,10 @@ FUSE
 ----
 
 Needs libfuse 2.4.0 or later.  Absolute minimum is 2.3.0 but mount
-options 'direct_io' and 'kernel_cache' won't work.
+options ``direct_io`` and ``kernel_cache`` won't work.
 
 Networking
-==========
+**********
 
 General changes
 ---------------
@@ -243,9 +258,9 @@ enable it to operate over diverse media layers.  If you use PPP,
 upgrade pppd to at least 2.4.0.
 
 If you are not using udev, you must have the device file /dev/ppp
-which can be made by:
+which can be made by::
 
-mknod /dev/ppp c 108 0
+  mknod /dev/ppp c 108 0
 
 as root.
 
@@ -260,22 +275,22 @@ NFS-utils
 
 In ancient (2.4 and earlier) kernels, the nfs server needed to know
 about any client that expected to be able to access files via NFS.  This
-information would be given to the kernel by "mountd" when the client
-mounted the filesystem, or by "exportfs" at system startup.  exportfs
-would take information about active clients from /var/lib/nfs/rmtab.
+information would be given to the kernel by ``mountd`` when the client
+mounted the filesystem, or by ``exportfs`` at system startup.  exportfs
+would take information about active clients from ``/var/lib/nfs/rmtab``.
 
 This approach is quite fragile as it depends on rmtab being correct
 which is not always easy, particularly when trying to implement
-fail-over.  Even when the system is working well, rmtab suffers from
+fail-over.  Even when the system is working well, ``rmtab`` suffers from
 getting lots of old entries that never get removed.
 
 With modern kernels we have the option of having the kernel tell mountd
 when it gets a request from an unknown host, and mountd can give
 appropriate export information to the kernel.  This removes the
-dependency on rmtab and means that the kernel only needs to know about
+dependency on ``rmtab`` and means that the kernel only needs to know about
 currently active clients.
 
-To enable this new functionality, you need to:
+To enable this new functionality, you need to::
 
   mount -t nfsd nfsd /proc/fs/nfsd
 
@@ -287,8 +302,32 @@ mcelog
 ------
 
 On x86 kernels the mcelog utility is needed to process and log machine check
-events when CONFIG_X86_MCE is enabled. Machine check events are errors reported
-by the CPU. Processing them is strongly encouraged.
+events when ``CONFIG_X86_MCE`` is enabled. Machine check events are errors
+reported by the CPU. Processing them is strongly encouraged.
+
+Kernel documentation
+********************
+
+Sphinx
+------
+
+The ReST markups currently used by the Documentation/ files are meant to be
+built with ``Sphinx`` version 1.2 or upper. If you're desiring to build
+PDF outputs, it is recommended to use version 1.4.6.
+
+.. note::
+
+  Please notice that, for PDF and LaTeX output, you'll also need ``XeLaTeX``
+  version 3.14159265. Depending on the distribution, you may also need
+  to install a series of ``texlive`` packages that provide the minimal
+  set of functionalities required for ``XeLaTex`` to work.
+
+Other tools
+-----------
+
+In order to produce documentation from DocBook, you'll also need ``xmlto``.
+Please notice, however, that we're currently migrating all documents to use
+``Sphinx``.
 
 Getting updated software
 ========================
@@ -298,114 +337,149 @@ Kernel compilation
 
 gcc
 ---
-o  <ftp://ftp.gnu.org/gnu/gcc/>
+
+- <ftp://ftp.gnu.org/gnu/gcc/>
 
 Make
 ----
-o  <ftp://ftp.gnu.org/gnu/make/>
+
+- <ftp://ftp.gnu.org/gnu/make/>
 
 Binutils
 --------
-o  <ftp://ftp.kernel.org/pub/linux/devel/binutils/>
+
+- <ftp://ftp.kernel.org/pub/linux/devel/binutils/>
 
 OpenSSL
 -------
-o  <https://www.openssl.org/>
+
+- <https://www.openssl.org/>
 
 System utilities
 ****************
 
 Util-linux
 ----------
-o  <ftp://ftp.kernel.org/pub/linux/utils/util-linux/>
+
+- <ftp://ftp.kernel.org/pub/linux/utils/util-linux/>
 
 Ksymoops
 --------
-o  <ftp://ftp.kernel.org/pub/linux/utils/kernel/ksymoops/v2.4/>
+
+- <ftp://ftp.kernel.org/pub/linux/utils/kernel/ksymoops/v2.4/>
 
 Module-Init-Tools
 -----------------
-o  <ftp://ftp.kernel.org/pub/linux/kernel/people/rusty/modules/>
+
+- <ftp://ftp.kernel.org/pub/linux/kernel/people/rusty/modules/>
 
 Mkinitrd
 --------
-o  <https://code.launchpad.net/initrd-tools/main>
+
+- <https://code.launchpad.net/initrd-tools/main>
 
 E2fsprogs
 ---------
-o  <http://prdownloads.sourceforge.net/e2fsprogs/e2fsprogs-1.29.tar.gz>
+
+- <http://prdownloads.sourceforge.net/e2fsprogs/e2fsprogs-1.29.tar.gz>
 
 JFSutils
 --------
-o  <http://jfs.sourceforge.net/>
+
+- <http://jfs.sourceforge.net/>
 
 Reiserfsprogs
 -------------
-o  <http://www.kernel.org/pub/linux/utils/fs/reiserfs/>
+
+- <http://www.kernel.org/pub/linux/utils/fs/reiserfs/>
 
 Xfsprogs
 --------
-o  <ftp://oss.sgi.com/projects/xfs/>
+
+- <ftp://oss.sgi.com/projects/xfs/>
 
 Pcmciautils
 -----------
-o  <ftp://ftp.kernel.org/pub/linux/utils/kernel/pcmcia/>
+
+- <ftp://ftp.kernel.org/pub/linux/utils/kernel/pcmcia/>
 
 Quota-tools
-----------
-o  <http://sourceforge.net/projects/linuxquota/>
+-----------
+
+- <http://sourceforge.net/projects/linuxquota/>
 
 DocBook Stylesheets
 -------------------
-o  <http://sourceforge.net/projects/docbook/files/docbook-dsssl/>
+
+- <http://sourceforge.net/projects/docbook/files/docbook-dsssl/>
 
 XMLTO XSLT Frontend
 -------------------
-o  <http://cyberelk.net/tim/xmlto/>
+
+- <http://cyberelk.net/tim/xmlto/>
 
 Intel P6 microcode
 ------------------
-o  <https://downloadcenter.intel.com/>
+
+- <https://downloadcenter.intel.com/>
 
 udev
 ----
-o <http://www.freedesktop.org/software/systemd/man/udev.html>
+
+- <http://www.freedesktop.org/software/systemd/man/udev.html>
 
 FUSE
 ----
-o <http://sourceforge.net/projects/fuse>
+
+- <http://sourceforge.net/projects/fuse>
 
 mcelog
 ------
-o <http://www.mcelog.org/>
+
+- <http://www.mcelog.org/>
 
 Networking
 **********
 
 PPP
 ---
-o  <ftp://ftp.samba.org/pub/ppp/>
+
+- <ftp://ftp.samba.org/pub/ppp/>
 
 Isdn4k-utils
 ------------
-o  <ftp://ftp.isdn4linux.de/pub/isdn4linux/utils/>
+
+- <ftp://ftp.isdn4linux.de/pub/isdn4linux/utils/>
 
 NFS-utils
 ---------
-o  <http://sourceforge.net/project/showfiles.php?group_id=14>
+
+- <http://sourceforge.net/project/showfiles.php?group_id=14>
 
 Iptables
 --------
-o  <http://www.iptables.org/downloads.html>
+
+- <http://www.iptables.org/downloads.html>
 
 Ip-route2
 ---------
-o  <https://www.kernel.org/pub/linux/utils/net/iproute2/>
+
+- <https://www.kernel.org/pub/linux/utils/net/iproute2/>
 
 OProfile
 --------
-o  <http://oprofile.sf.net/download/>
+
+- <http://oprofile.sf.net/download/>
 
 NFS-Utils
 ---------
-o  <http://nfs.sourceforge.net/>
+
+- <http://nfs.sourceforge.net/>
+
+Kernel documentation
+********************
+
+Sphinx
+------
+
+- <http://www.sphinx-doc.org/>

Documentation/CodeOfConflict

@@ -19,7 +19,7 @@ please contact the Linux Foundation's Technical Advisory Board at
 will work to resolve the issue to the best of their ability.  For more
 information on who is on the Technical Advisory Board and what their
 role is, please see:
-	http://www.linuxfoundation.org/programs/advisory-councils/tab
+	http://www.linuxfoundation.org/projects/linux/tab
 
 As a reviewer of code, please strive to keep things civil and focused on
 the technical issues involved.  We are all humans, and frustrations can

Documentation/CodingStyle

@@ -1,8 +1,10 @@
+.. _codingstyle:
 
-		Linux kernel coding style
+Linux kernel coding style
+=========================
 
 This is a short document describing the preferred coding style for the
-linux kernel.  Coding style is very personal, and I won't _force_ my
+linux kernel.  Coding style is very personal, and I won't **force** my
 views on anybody, but this is what goes for anything that I have to be
 able to maintain, and I'd prefer it for most other things too.  Please
 at least consider the points made here.
@@ -13,7 +15,8 @@ and NOT read it.  Burn them, it's a great symbolic gesture.
 Anyway, here goes:
 
 
-		Chapter 1: Indentation
+1) Indentation
+--------------
 
 Tabs are 8 characters, and thus indentations are also 8 characters.
 There are heretic movements that try to make indentations 4 (or even 2!)
@@ -36,8 +39,10 @@ benefit of warning you when you're nesting your functions too deep.
 Heed that warning.
 
 The preferred way to ease multiple indentation levels in a switch statement is
-to align the "switch" and its subordinate "case" labels in the same column
-instead of "double-indenting" the "case" labels.  E.g.:
+to align the ``switch`` and its subordinate ``case`` labels in the same column
+instead of ``double-indenting`` the ``case`` labels.  E.g.:
+
+.. code-block:: c
 
 	switch (suffix) {
 	case 'G':
@@ -59,6 +64,8 @@ instead of "double-indenting" the "case" labels.  E.g.:
 Don't put multiple statements on a single line unless you have
 something to hide:
 
+.. code-block:: c
+
 	if (condition) do_this;
 	  do_something_everytime;
 
@@ -71,7 +78,8 @@ used for indentation, and the above example is deliberately broken.
 Get a decent editor and don't leave whitespace at the end of lines.
 
 
-		Chapter 2: Breaking long lines and strings
+2) Breaking long lines and strings
+----------------------------------
 
 Coding style is all about readability and maintainability using commonly
 available tools.
@@ -87,7 +95,8 @@ with a long argument list. However, never break user-visible strings such as
 printk messages, because that breaks the ability to grep for them.
 
 
-		Chapter 3: Placing Braces and Spaces
+3) Placing Braces and Spaces
+----------------------------
 
 The other issue that always comes up in C styling is the placement of
 braces.  Unlike the indent size, there are few technical reasons to
@@ -95,6 +104,8 @@ choose one placement strategy over the other, but the preferred way, as
 shown to us by the prophets Kernighan and Ritchie, is to put the opening
 brace last on the line, and put the closing brace first, thusly:
 
+.. code-block:: c
+
 	if (x is true) {
 		we do y
 	}
@@ -102,6 +113,8 @@ brace last on the line, and put the closing brace first, thusly:
 This applies to all non-function statement blocks (if, switch, for,
 while, do).  E.g.:
 
+.. code-block:: c
+
 	switch (action) {
 	case KOBJ_ADD:
 		return "add";
@@ -116,6 +129,8 @@ while, do).  E.g.:
 However, there is one special case, namely functions: they have the
 opening brace at the beginning of the next line, thus:
 
+.. code-block:: c
+
 	int function(int x)
 	{
 		body of function
@@ -123,20 +138,24 @@ opening brace at the beginning of the next line, thus:
 
 Heretic people all over the world have claimed that this inconsistency
 is ...  well ...  inconsistent, but all right-thinking people know that
-(a) K&R are _right_ and (b) K&R are right.  Besides, functions are
+(a) K&R are **right** and (b) K&R are right.  Besides, functions are
 special anyway (you can't nest them in C).
 
-Note that the closing brace is empty on a line of its own, _except_ in
+Note that the closing brace is empty on a line of its own, **except** in
 the cases where it is followed by a continuation of the same statement,
-ie a "while" in a do-statement or an "else" in an if-statement, like
+ie a ``while`` in a do-statement or an ``else`` in an if-statement, like
 this:
 
+.. code-block:: c
+
 	do {
 		body of do-loop
 	} while (condition);
 
 and
 
+.. code-block:: c
+
 	if (x == y) {
 		..
 	} else if (x > y) {
@@ -155,11 +174,15 @@ comments on.
 
 Do not unnecessarily use braces where a single statement will do.
 
+.. code-block:: c
+
 	if (condition)
 		action();
 
 and
 
+.. code-block:: none
+
 	if (condition)
 		do_this();
 	else
@@ -168,6 +191,8 @@ and
 This does not apply if only one branch of a conditional statement is a single
 statement; in the latter case use braces in both branches:
 
+.. code-block:: c
+
 	if (condition) {
 		do_this();
 		do_that();
@@ -175,57 +200,67 @@ statement; in the latter case use braces in both branches:
 		otherwise();
 	}
 
-		3.1:  Spaces
+3.1) Spaces
+***********
 
 Linux kernel style for use of spaces depends (mostly) on
 function-versus-keyword usage.  Use a space after (most) keywords.  The
 notable exceptions are sizeof, typeof, alignof, and __attribute__, which look
 somewhat like functions (and are usually used with parentheses in Linux,
-although they are not required in the language, as in: "sizeof info" after
-"struct fileinfo info;" is declared).
+although they are not required in the language, as in: ``sizeof info`` after
+``struct fileinfo info;`` is declared).
 
-So use a space after these keywords:
+So use a space after these keywords::
 
 	if, switch, case, for, do, while
 
 but not with sizeof, typeof, alignof, or __attribute__.  E.g.,
 
+.. code-block:: c
+
+
 	s = sizeof(struct file);
 
 Do not add spaces around (inside) parenthesized expressions.  This example is
-*bad*:
+**bad**:
+
+.. code-block:: c
+
 
 	s = sizeof( struct file );
 
 When declaring pointer data or a function that returns a pointer type, the
-preferred use of '*' is adjacent to the data name or function name and not
+preferred use of ``*`` is adjacent to the data name or function name and not
 adjacent to the type name.  Examples:
 
+.. code-block:: c
+
+
 	char *linux_banner;
 	unsigned long long memparse(char *ptr, char **retptr);
 	char *match_strdup(substring_t *s);
 
 Use one space around (on each side of) most binary and ternary operators,
-such as any of these:
+such as any of these::
 
 	=  +  -  <  >  *  /  %  |  &  ^  <=  >=  ==  !=  ?  :
 
-but no space after unary operators:
+but no space after unary operators::
 
 	&  *  +  -  ~  !  sizeof  typeof  alignof  __attribute__  defined
 
-no space before the postfix increment & decrement unary operators:
+no space before the postfix increment & decrement unary operators::
 
 	++  --
 
-no space after the prefix increment & decrement unary operators:
+no space after the prefix increment & decrement unary operators::
 
 	++  --
 
-and no space around the '.' and "->" structure member operators.
+and no space around the ``.`` and ``->`` structure member operators.
 
 Do not leave trailing whitespace at the ends of lines.  Some editors with
-"smart" indentation will insert whitespace at the beginning of new lines as
+``smart`` indentation will insert whitespace at the beginning of new lines as
 appropriate, so you can start typing the next line of code right away.
 However, some such editors do not remove the whitespace if you end up not
 putting a line of code there, such as if you leave a blank line.  As a result,
@@ -237,22 +272,23 @@ of patches, this may make later patches in the series fail by changing their
 context lines.
 
 
-		Chapter 4: Naming
+4) Naming
+---------
 
 C is a Spartan language, and so should your naming be.  Unlike Modula-2
 and Pascal programmers, C programmers do not use cute names like
 ThisVariableIsATemporaryCounter.  A C programmer would call that
-variable "tmp", which is much easier to write, and not the least more
+variable ``tmp``, which is much easier to write, and not the least more
 difficult to understand.
 
 HOWEVER, while mixed-case names are frowned upon, descriptive names for
-global variables are a must.  To call a global function "foo" is a
+global variables are a must.  To call a global function ``foo`` is a
 shooting offense.
 
-GLOBAL variables (to be used only if you _really_ need them) need to
+GLOBAL variables (to be used only if you **really** need them) need to
 have descriptive names, as do global functions.  If you have a function
 that counts the number of active users, you should call that
-"count_active_users()" or similar, you should _not_ call it "cntusr()".
+``count_active_users()`` or similar, you should **not** call it ``cntusr()``.
 
 Encoding the type of a function into the name (so-called Hungarian
 notation) is brain damaged - the compiler knows the types anyway and can
@@ -260,9 +296,9 @@ check those, and it only confuses the programmer.  No wonder MicroSoft
 makes buggy programs.
 
 LOCAL variable names should be short, and to the point.  If you have
-some random integer loop counter, it should probably be called "i".
-Calling it "loop_counter" is non-productive, if there is no chance of it
-being mis-understood.  Similarly, "tmp" can be just about any type of
+some random integer loop counter, it should probably be called ``i``.
+Calling it ``loop_counter`` is non-productive, if there is no chance of it
+being mis-understood.  Similarly, ``tmp`` can be just about any type of
 variable that is used to hold a temporary value.
 
 If you are afraid to mix up your local variable names, you have another
@@ -270,59 +306,69 @@ problem, which is called the function-growth-hormone-imbalance syndrome.
 See chapter 6 (Functions).
 
 
-		Chapter 5: Typedefs
+5) Typedefs
+-----------
+
+Please don't use things like ``vps_t``.
+It's a **mistake** to use typedef for structures and pointers. When you see a
+
+.. code-block:: c
 
-Please don't use things like "vps_t".
-It's a _mistake_ to use typedef for structures and pointers. When you see a
 
 	vps_t a;
 
 in the source, what does it mean?
 In contrast, if it says
 
+.. code-block:: c
+
 	struct virtual_container *a;
 
-you can actually tell what "a" is.
+you can actually tell what ``a`` is.
 
-Lots of people think that typedefs "help readability". Not so. They are
+Lots of people think that typedefs ``help readability``. Not so. They are
 useful only for:
 
- (a) totally opaque objects (where the typedef is actively used to _hide_
+ (a) totally opaque objects (where the typedef is actively used to **hide**
      what the object is).
 
-     Example: "pte_t" etc. opaque objects that you can only access using
+     Example: ``pte_t`` etc. opaque objects that you can only access using
      the proper accessor functions.
 
-     NOTE! Opaqueness and "accessor functions" are not good in themselves.
-     The reason we have them for things like pte_t etc. is that there
-     really is absolutely _zero_ portably accessible information there.
+     .. note::
+
+       Opaqueness and ``accessor functions`` are not good in themselves.
+       The reason we have them for things like pte_t etc. is that there
+       really is absolutely **zero** portably accessible information there.
 
- (b) Clear integer types, where the abstraction _helps_ avoid confusion
-     whether it is "int" or "long".
+ (b) Clear integer types, where the abstraction **helps** avoid confusion
+     whether it is ``int`` or ``long``.
 
      u8/u16/u32 are perfectly fine typedefs, although they fit into
      category (d) better than here.
 
-     NOTE! Again - there needs to be a _reason_ for this. If something is
-     "unsigned long", then there's no reason to do
+     .. note::
+
+       Again - there needs to be a **reason** for this. If something is
+       ``unsigned long``, then there's no reason to do
 
 	typedef unsigned long myflags_t;
 
      but if there is a clear reason for why it under certain circumstances
-     might be an "unsigned int" and under other configurations might be
-     "unsigned long", then by all means go ahead and use a typedef.
+     might be an ``unsigned int`` and under other configurations might be
+     ``unsigned long``, then by all means go ahead and use a typedef.
 
- (c) when you use sparse to literally create a _new_ type for
+ (c) when you use sparse to literally create a **new** type for
      type-checking.
 
  (d) New types which are identical to standard C99 types, in certain
      exceptional circumstances.
 
      Although it would only take a short amount of time for the eyes and
-     brain to become accustomed to the standard types like 'uint32_t',
+     brain to become accustomed to the standard types like ``uint32_t``,
      some people object to their use anyway.
 
-     Therefore, the Linux-specific 'u8/u16/u32/u64' types and their
+     Therefore, the Linux-specific ``u8/u16/u32/u64`` types and their
      signed equivalents which are identical to standard types are
      permitted -- although they are not mandatory in new code of your
      own.
@@ -333,7 +379,7 @@ useful only for:
  (e) Types safe for use in userspace.
 
      In certain structures which are visible to userspace, we cannot
-     require C99 types and cannot use the 'u32' form above. Thus, we
+     require C99 types and cannot use the ``u32`` form above. Thus, we
      use __u32 and similar types in all structures which are shared
      with userspace.
 
@@ -341,10 +387,11 @@ Maybe there are other cases too, but the rule should basically be to NEVER
 EVER use a typedef unless you can clearly match one of those rules.
 
 In general, a pointer, or a struct that has elements that can reasonably
-be directly accessed should _never_ be a typedef.
+be directly accessed should **never** be a typedef.
 
 
-		Chapter 6: Functions
+6) Functions
+------------
 
 Functions should be short and sweet, and do just one thing.  They should
 fit on one or two screenfuls of text (the ISO/ANSI screen size is 80x24,
@@ -372,8 +419,10 @@ and it gets confused.  You know you're brilliant, but maybe you'd like
 to understand what you did 2 weeks from now.
 
 In source files, separate functions with one blank line.  If the function is
-exported, the EXPORT* macro for it should follow immediately after the closing
-function brace line.  E.g.:
+exported, the **EXPORT** macro for it should follow immediately after the
+closing function brace line.  E.g.:
+
+.. code-block:: c
 
 	int system_is_up(void)
 	{
@@ -386,7 +435,8 @@ Although this is not required by the C language, it is preferred in Linux
 because it is a simple way to add valuable information for the reader.
 
 
-		Chapter 7: Centralized exiting of functions
+7) Centralized exiting of functions
+-----------------------------------
 
 Albeit deprecated by some people, the equivalent of the goto statement is
 used frequently by compilers in form of the unconditional jump instruction.
@@ -396,18 +446,21 @@ locations and some common work such as cleanup has to be done.  If there is no
 cleanup needed then just return directly.
 
 Choose label names which say what the goto does or why the goto exists.  An
-example of a good name could be "out_buffer:" if the goto frees "buffer".  Avoid
-using GW-BASIC names like "err1:" and "err2:".  Also don't name them after the
-goto location like "err_kmalloc_failed:"
+example of a good name could be ``out_free_buffer:`` if the goto frees ``buffer``.
+Avoid using GW-BASIC names like ``err1:`` and ``err2:``, as you would have to
+renumber them if you ever add or remove exit paths, and they make correctness
+difficult to verify anyway.
 
 The rationale for using gotos is:
 
 - unconditional statements are easier to understand and follow
 - nesting is reduced
 - errors by not updating individual exit points when making
-    modifications are prevented
+  modifications are prevented
 - saves the compiler work to optimize redundant code away ;)
 
+.. code-block:: c
+
 	int fun(int a)
 	{
 		int result = 0;
@@ -425,27 +478,41 @@ The rationale for using gotos is:
 			goto out_buffer;
 		}
 		...
-	out_buffer:
+	out_free_buffer:
 		kfree(buffer);
 		return result;
 	}
 
-A common type of bug to be aware of is "one err bugs" which look like this:
+A common type of bug to be aware of is ``one err bugs`` which look like this:
+
+.. code-block:: c
 
 	err:
 		kfree(foo->bar);
 		kfree(foo);
 		return ret;
 
-The bug in this code is that on some exit paths "foo" is NULL.  Normally the
-fix for this is to split it up into two error labels "err_bar:" and "err_foo:".
+The bug in this code is that on some exit paths ``foo`` is NULL.  Normally the
+fix for this is to split it up into two error labels ``err_free_bar:`` and
+``err_free_foo:``:
 
+.. code-block:: c
 
-		Chapter 8: Commenting
+	 err_free_bar:
+		kfree(foo->bar);
+	 err_free_foo:
+		kfree(foo);
+		return ret;
+
+Ideally you should simulate errors to test all exit paths.
+
+
+8) Commenting
+-------------
 
 Comments are good, but there is also a danger of over-commenting.  NEVER
 try to explain HOW your code works in a comment: it's much better to
-write the code so that the _working_ is obvious, and it's a waste of
+write the code so that the **working** is obvious, and it's a waste of
 time to explain badly written code.
 
 Generally, you want your comments to tell WHAT your code does, not HOW.
@@ -458,14 +525,13 @@ of the function, telling people what it does, and possibly WHY it does
 it.
 
 When commenting the kernel API functions, please use the kernel-doc format.
-See the files Documentation/kernel-doc-nano-HOWTO.txt and scripts/kernel-doc
+See the files Documentation/kernel-documentation.rst and scripts/kernel-doc
 for details.
 
-Linux style for comments is the C89 "/* ... */" style.
-Don't use C99-style "// ..." comments.
-
 The preferred style for long (multi-line) comments is:
 
+.. code-block:: c
+
 	/*
 	 * This is the preferred style for multi-line
 	 * comments in the Linux kernel source code.
@@ -478,6 +544,8 @@ The preferred style for long (multi-line) comments is:
 For files in net/ and drivers/net/ the preferred style for long (multi-line)
 comments is a little different.
 
+.. code-block:: c
+
 	/* The preferred comment style for files in net/ and drivers/net
 	 * looks like this.
 	 *
@@ -491,10 +559,11 @@ multiple data declarations).  This leaves you room for a small comment on each
 item, explaining its use.
 
 
-		Chapter 9: You've made a mess of it
+9) You've made a mess of it
+---------------------------
 
 That's OK, we all do.  You've probably been told by your long-time Unix
-user helper that "GNU emacs" automatically formats the C sources for
+user helper that ``GNU emacs`` automatically formats the C sources for
 you, and you've noticed that yes, it does do that, but the defaults it
 uses are less than desirable (in fact, they are worse than random
 typing - an infinite number of monkeys typing into GNU emacs would never
@@ -503,63 +572,66 @@ make a good program).
 So, you can either get rid of GNU emacs, or change it to use saner
 values.  To do the latter, you can stick the following in your .emacs file:
 
-(defun c-lineup-arglist-tabs-only (ignored)
-  "Line up argument lists by tabs, not spaces"
-  (let* ((anchor (c-langelem-pos c-syntactic-element))
-         (column (c-langelem-2nd-pos c-syntactic-element))
-         (offset (- (1+ column) anchor))
-         (steps (floor offset c-basic-offset)))
-    (* (max steps 1)
-       c-basic-offset)))
-
-(add-hook 'c-mode-common-hook
-          (lambda ()
-            ;; Add kernel style
-            (c-add-style
-             "linux-tabs-only"
-             '("linux" (c-offsets-alist
-                        (arglist-cont-nonempty
-                         c-lineup-gcc-asm-reg
-                         c-lineup-arglist-tabs-only))))))
-
-(add-hook 'c-mode-hook
-          (lambda ()
-            (let ((filename (buffer-file-name)))
-              ;; Enable kernel mode for the appropriate files
-              (when (and filename
-                         (string-match (expand-file-name "~/src/linux-trees")
-                                       filename))
-                (setq indent-tabs-mode t)
-                (setq show-trailing-whitespace t)
-                (c-set-style "linux-tabs-only")))))
+.. code-block:: none
+
+  (defun c-lineup-arglist-tabs-only (ignored)
+    "Line up argument lists by tabs, not spaces"
+    (let* ((anchor (c-langelem-pos c-syntactic-element))
+           (column (c-langelem-2nd-pos c-syntactic-element))
+           (offset (- (1+ column) anchor))
+           (steps (floor offset c-basic-offset)))
+      (* (max steps 1)
+         c-basic-offset)))
+
+  (add-hook 'c-mode-common-hook
+            (lambda ()
+              ;; Add kernel style
+              (c-add-style
+               "linux-tabs-only"
+               '("linux" (c-offsets-alist
+                          (arglist-cont-nonempty
+                           c-lineup-gcc-asm-reg
+                           c-lineup-arglist-tabs-only))))))
+
+  (add-hook 'c-mode-hook
+            (lambda ()
+              (let ((filename (buffer-file-name)))
+                ;; Enable kernel mode for the appropriate files
+                (when (and filename
+                           (string-match (expand-file-name "~/src/linux-trees")
+                                         filename))
+                  (setq indent-tabs-mode t)
+                  (setq show-trailing-whitespace t)
+                  (c-set-style "linux-tabs-only")))))
 
 This will make emacs go better with the kernel coding style for C
-files below ~/src/linux-trees.
+files below ``~/src/linux-trees``.
 
 But even if you fail in getting emacs to do sane formatting, not
-everything is lost: use "indent".
+everything is lost: use ``indent``.
 
 Now, again, GNU indent has the same brain-dead settings that GNU emacs
 has, which is why you need to give it a few command line options.
 However, that's not too bad, because even the makers of GNU indent
 recognize the authority of K&R (the GNU people aren't evil, they are
 just severely misguided in this matter), so you just give indent the
-options "-kr -i8" (stands for "K&R, 8 character indents"), or use
-"scripts/Lindent", which indents in the latest style.
+options ``-kr -i8`` (stands for ``K&R, 8 character indents``), or use
+``scripts/Lindent``, which indents in the latest style.
 
-"indent" has a lot of options, and especially when it comes to comment
+``indent`` has a lot of options, and especially when it comes to comment
 re-formatting you may want to take a look at the man page.  But
-remember: "indent" is not a fix for bad programming.
+remember: ``indent`` is not a fix for bad programming.
 
 
-		Chapter 10: Kconfig configuration files
+10) Kconfig configuration files
+-------------------------------
 
 For all of the Kconfig* configuration files throughout the source tree,
-the indentation is somewhat different.  Lines under a "config" definition
+the indentation is somewhat different.  Lines under a ``config`` definition
 are indented with one tab, while help text is indented an additional two
-spaces.  Example:
+spaces.  Example::
 
-config AUDIT
+  config AUDIT
 	bool "Auditing support"
 	depends on NET
 	help
@@ -569,9 +641,9 @@ config AUDIT
 	  auditing without CONFIG_AUDITSYSCALL.
 
 Seriously dangerous features (such as write support for certain
-filesystems) should advertise this prominently in their prompt string:
+filesystems) should advertise this prominently in their prompt string::
 
-config ADFS_FS_RW
+  config ADFS_FS_RW
 	bool "ADFS write support (DANGEROUS)"
 	depends on ADFS_FS
 	...
@@ -580,41 +652,45 @@ For full documentation on the configuration files, see the file
 Documentation/kbuild/kconfig-language.txt.
 
 
-		Chapter 11: Data structures
+11) Data structures
+-------------------
 
 Data structures that have visibility outside the single-threaded
 environment they are created and destroyed in should always have
 reference counts.  In the kernel, garbage collection doesn't exist (and
 outside the kernel garbage collection is slow and inefficient), which
-means that you absolutely _have_ to reference count all your uses.
+means that you absolutely **have** to reference count all your uses.
 
 Reference counting means that you can avoid locking, and allows multiple
 users to have access to the data structure in parallel - and not having
 to worry about the structure suddenly going away from under them just
 because they slept or did something else for a while.
 
-Note that locking is _not_ a replacement for reference counting.
+Note that locking is **not** a replacement for reference counting.
 Locking is used to keep data structures coherent, while reference
 counting is a memory management technique.  Usually both are needed, and
 they are not to be confused with each other.
 
 Many data structures can indeed have two levels of reference counting,
-when there are users of different "classes".  The subclass count counts
+when there are users of different ``classes``.  The subclass count counts
 the number of subclass users, and decrements the global count just once
 when the subclass count goes to zero.
 
-Examples of this kind of "multi-level-reference-counting" can be found in
-memory management ("struct mm_struct": mm_users and mm_count), and in
-filesystem code ("struct super_block": s_count and s_active).
+Examples of this kind of ``multi-level-reference-counting`` can be found in
+memory management (``struct mm_struct``: mm_users and mm_count), and in
+filesystem code (``struct super_block``: s_count and s_active).
 
 Remember: if another thread can find your data structure, and you don't
 have a reference count on it, you almost certainly have a bug.
 
 
-		Chapter 12: Macros, Enums and RTL
+12) Macros, Enums and RTL
+-------------------------
 
 Names of macros defining constants and labels in enums are capitalized.
 
+.. code-block:: c
+
 	#define CONSTANT 0x12345
 
 Enums are preferred when defining several related constants.
@@ -626,7 +702,9 @@ Generally, inline functions are preferable to macros resembling functions.
 
 Macros with multiple statements should be enclosed in a do - while block:
 
-	#define macrofun(a, b, c) 			\
+.. code-block:: c
+
+	#define macrofun(a, b, c)			\
 		do {					\
 			if (a == 5)			\
 				do_this(b, c);		\
@@ -636,17 +714,21 @@ Things to avoid when using macros:
 
 1) macros that affect control flow:
 
+.. code-block:: c
+
 	#define FOO(x)					\
 		do {					\
 			if (blah(x) < 0)		\
 				return -EBUGGERED;	\
 		} while (0)
 
-is a _very_ bad idea.  It looks like a function call but exits the "calling"
+is a **very** bad idea.  It looks like a function call but exits the ``calling``
 function; don't break the internal parsers of those who will read the code.
 
 2) macros that depend on having a local variable with a magic name:
 
+.. code-block:: c
+
 	#define FOO(val) bar(index, val)
 
 might look like a good thing, but it's confusing as hell when one reads the
@@ -659,18 +741,22 @@ bite you if somebody e.g. turns FOO into an inline function.
 must enclose the expression in parentheses. Beware of similar issues with
 macros using parameters.
 
+.. code-block:: c
+
 	#define CONSTANT 0x4000
 	#define CONSTEXP (CONSTANT | 3)
 
 5) namespace collisions when defining local variables in macros resembling
 functions:
 
-#define FOO(x)				\
-({					\
-	typeof(x) ret;			\
-	ret = calc_ret(x);		\
-	(ret);				\
-})
+.. code-block:: c
+
+	#define FOO(x)				\
+	({					\
+		typeof(x) ret;			\
+		ret = calc_ret(x);		\
+		(ret);				\
+	})
 
 ret is a common name for a local variable - __foo_ret is less likely
 to collide with an existing variable.
@@ -679,11 +765,12 @@ The cpp manual deals with macros exhaustively. The gcc internals manual also
 covers RTL which is used frequently with assembly language in the kernel.
 
 
-		Chapter 13: Printing kernel messages
+13) Printing kernel messages
+----------------------------
 
 Kernel developers like to be seen as literate. Do mind the spelling
 of kernel messages to make a good impression. Do not use crippled
-words like "dont"; use "do not" or "don't" instead.  Make the messages
+words like ``dont``; use ``do not`` or ``don't`` instead.  Make the messages
 concise, clear, and unambiguous.
 
 Kernel messages do not have to be terminated with a period.
@@ -713,7 +800,8 @@ already inside a debug-related #ifdef section, printk(KERN_DEBUG ...) can be
 used.
 
 
-		Chapter 14: Allocating memory
+14) Allocating memory
+---------------------
 
 The kernel provides the following general purpose memory allocators:
 kmalloc(), kzalloc(), kmalloc_array(), kcalloc(), vmalloc(), and
@@ -722,6 +810,8 @@ about them.
 
 The preferred form for passing a size of a struct is the following:
 
+.. code-block:: c
+
 	p = kmalloc(sizeof(*p), ...);
 
 The alternative form where struct name is spelled out hurts readability and
@@ -734,20 +824,25 @@ language.
 
 The preferred form for allocating an array is the following:
 
+.. code-block:: c
+
 	p = kmalloc_array(n, sizeof(...), ...);
 
 The preferred form for allocating a zeroed array is the following:
 
+.. code-block:: c
+
 	p = kcalloc(n, sizeof(...), ...);
 
 Both forms check for overflow on the allocation size n * sizeof(...),
 and return NULL if that occurred.
 
 
-		Chapter 15: The inline disease
+15) The inline disease
+----------------------
 
 There appears to be a common misperception that gcc has a magic "make me
-faster" speedup option called "inline". While the use of inlines can be
+faster" speedup option called ``inline``. While the use of inlines can be
 appropriate (for example as a means of replacing macros, see Chapter 12), it
 very often is not. Abundant use of the inline keyword leads to a much bigger
 kernel, which in turn slows the system as a whole down, due to a bigger
@@ -771,26 +866,27 @@ appears outweighs the potential value of the hint that tells gcc to do
 something it would have done anyway.
 
 
-		Chapter 16: Function return values and names
+16) Function return values and names
+------------------------------------
 
 Functions can return values of many different kinds, and one of the
 most common is a value indicating whether the function succeeded or
 failed.  Such a value can be represented as an error-code integer
-(-Exxx = failure, 0 = success) or a "succeeded" boolean (0 = failure,
+(-Exxx = failure, 0 = success) or a ``succeeded`` boolean (0 = failure,
 non-zero = success).
 
 Mixing up these two sorts of representations is a fertile source of
 difficult-to-find bugs.  If the C language included a strong distinction
 between integers and booleans then the compiler would find these mistakes
 for us... but it doesn't.  To help prevent such bugs, always follow this
-convention:
+convention::
 
 	If the name of a function is an action or an imperative command,
 	the function should return an error-code integer.  If the name
 	is a predicate, the function should return a "succeeded" boolean.
 
-For example, "add work" is a command, and the add_work() function returns 0
-for success or -EBUSY for failure.  In the same way, "PCI device present" is
+For example, ``add work`` is a command, and the add_work() function returns 0
+for success or -EBUSY for failure.  In the same way, ``PCI device present`` is
 a predicate, and the pci_dev_present() function returns 1 if it succeeds in
 finding a matching device or 0 if it doesn't.
 
@@ -805,17 +901,22 @@ result.  Typical examples would be functions that return pointers; they use
 NULL or the ERR_PTR mechanism to report failure.
 
 
-		Chapter 17:  Don't re-invent the kernel macros
+17) Don't re-invent the kernel macros
+-------------------------------------
 
 The header file include/linux/kernel.h contains a number of macros that
 you should use, rather than explicitly coding some variant of them yourself.
 For example, if you need to calculate the length of an array, take advantage
 of the macro
 
+.. code-block:: c
+
 	#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
 
 Similarly, if you need to calculate the size of some structure member, use
 
+.. code-block:: c
+
 	#define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f))
 
 There are also min() and max() macros that do strict type checking if you
@@ -823,16 +924,21 @@ need them.  Feel free to peruse that header file to see what else is already
 defined that you shouldn't reproduce in your code.
 
 
-		Chapter 18:  Editor modelines and other cruft
+18) Editor modelines and other cruft
+------------------------------------
 
 Some editors can interpret configuration information embedded in source files,
 indicated with special markers.  For example, emacs interprets lines marked
 like this:
 
+.. code-block:: c
+
 	-*- mode: c -*-
 
 Or like this:
 
+.. code-block:: c
+
 	/*
 	Local Variables:
 	compile-command: "gcc -DMAGIC_DEBUG_FLAG foo.c"
@@ -841,6 +947,8 @@ Or like this:
 
 Vim interprets markers that look like this:
 
+.. code-block:: c
+
 	/* vim:set sw=8 noet */
 
 Do not include any of these in source files.  People have their own personal
@@ -850,7 +958,8 @@ own custom mode, or may have some other magic method for making indentation
 work correctly.
 
 
-		Chapter 19:  Inline assembly
+19) Inline assembly
+-------------------
 
 In architecture-specific code, you may need to use inline assembly to interface
 with CPU or platform functionality.  Don't hesitate to do so when necessary.
@@ -863,7 +972,7 @@ that inline assembly can use C parameters.
 
 Large, non-trivial assembly functions should go in .S files, with corresponding
 C prototypes defined in C header files.  The C prototypes for assembly
-functions should use "asmlinkage".
+functions should use ``asmlinkage``.
 
 You may need to mark your asm statement as volatile, to prevent GCC from
 removing it if GCC doesn't notice any side effects.  You don't always need to
@@ -874,12 +983,15 @@ instructions, put each instruction on a separate line in a separate quoted
 string, and end each string except the last with \n\t to properly indent the
 next instruction in the assembly output:
 
+.. code-block:: c
+
 	asm ("magic %reg1, #42\n\t"
 	     "more_magic %reg2, %reg3"
 	     : /* outputs */ : /* inputs */ : /* clobbers */);
 
 
-		Chapter 20: Conditional Compilation
+20) Conditional Compilation
+---------------------------
 
 Wherever possible, don't use preprocessor conditionals (#if, #ifdef) in .c
 files; doing so makes code harder to read and logic harder to follow.  Instead,
@@ -903,6 +1015,8 @@ unused, delete it.)
 Within code, where possible, use the IS_ENABLED macro to convert a Kconfig
 symbol into a C boolean expression, and use it in a normal C conditional:
 
+.. code-block:: c
+
 	if (IS_ENABLED(CONFIG_SOMETHING)) {
 		...
 	}
@@ -918,12 +1032,15 @@ At the end of any non-trivial #if or #ifdef block (more than a few lines),
 place a comment after the #endif on the same line, noting the conditional
 expression used.  For instance:
 
+.. code-block:: c
+
 	#ifdef CONFIG_SOMETHING
 	...
 	#endif /* CONFIG_SOMETHING */
 
 
-		Appendix I: References
+Appendix I) References
+----------------------
 
 The C Programming Language, Second Edition
 by Brian W. Kernighan and Dennis M. Ritchie.
@@ -943,4 +1060,3 @@ language C, URL: http://www.open-std.org/JTC1/SC22/WG14/
 
 Kernel CodingStyle, by greg@kroah.com at OLS 2002:
 http://www.kroah.com/linux/talks/ols_2002_kernel_codingstyle_talk/html/
-

Documentation/DMA-API-HOWTO.txt

@@ -699,7 +699,7 @@ to use the dma_sync_*() interfaces.
 		dma_addr_t mapping;
 
 		mapping = dma_map_single(cp->dev, buffer, len, DMA_FROM_DEVICE);
-		if (dma_mapping_error(cp->dev, dma_handle)) {
+		if (dma_mapping_error(cp->dev, mapping)) {
 			/*
 			 * reduce current DMA mapping usage,
 			 * delay and try again later or
@@ -931,10 +931,8 @@ to "Closing".
 
 1) Struct scatterlist requirements.
 
-   Don't invent the architecture specific struct scatterlist; just use
-   <asm-generic/scatterlist.h>. You need to enable
-   CONFIG_NEED_SG_DMA_LENGTH if the architecture supports IOMMUs
-   (including software IOMMU).
+   You need to enable CONFIG_NEED_SG_DMA_LENGTH if the architecture
+   supports IOMMUs (including software IOMMU).
 
 2) ARCH_DMA_MINALIGN
 

Documentation/DMA-API.txt

@@ -277,14 +277,26 @@ and <size> parameters are provided to do partial page mapping, it is
 recommended that you never use these unless you really know what the
 cache width is.
 
+dma_addr_t
+dma_map_resource(struct device *dev, phys_addr_t phys_addr, size_t size,
+		 enum dma_data_direction dir, unsigned long attrs)
+
+void
+dma_unmap_resource(struct device *dev, dma_addr_t addr, size_t size,
+		   enum dma_data_direction dir, unsigned long attrs)
+
+API for mapping and unmapping for MMIO resources. All the notes and
+warnings for the other mapping APIs apply here. The API should only be
+used to map device MMIO resources, mapping of RAM is not permitted.
+
 int
 dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
 
-In some circumstances dma_map_single() and dma_map_page() will fail to create
-a mapping. A driver can check for these errors by testing the returned
-DMA address with dma_mapping_error(). A non-zero return value means the mapping
-could not be created and the driver should take appropriate action (e.g.
-reduce current DMA mapping usage or delay and try again later).
+In some circumstances dma_map_single(), dma_map_page() and dma_map_resource()
+will fail to create a mapping. A driver can check for these errors by testing
+the returned DMA address with dma_mapping_error(). A non-zero return value
+means the mapping could not be created and the driver should take appropriate
+action (e.g. reduce current DMA mapping usage or delay and try again later).
 
 	int
 	dma_map_sg(struct device *dev, struct scatterlist *sg,
@@ -369,35 +381,32 @@ See also dma_map_single().
 dma_addr_t
 dma_map_single_attrs(struct device *dev, void *cpu_addr, size_t size,
 		     enum dma_data_direction dir,
-		     struct dma_attrs *attrs)
+		     unsigned long attrs)
 
 void
 dma_unmap_single_attrs(struct device *dev, dma_addr_t dma_addr,
 		       size_t size, enum dma_data_direction dir,
-		       struct dma_attrs *attrs)
+		       unsigned long attrs)
 
 int
 dma_map_sg_attrs(struct device *dev, struct scatterlist *sgl,
 		 int nents, enum dma_data_direction dir,
-		 struct dma_attrs *attrs)
+		 unsigned long attrs)
 
 void
 dma_unmap_sg_attrs(struct device *dev, struct scatterlist *sgl,
 		   int nents, enum dma_data_direction dir,
-		   struct dma_attrs *attrs)
+		   unsigned long attrs)
 
 The four functions above are just like the counterpart functions
 without the _attrs suffixes, except that they pass an optional
-struct dma_attrs*.
-
-struct dma_attrs encapsulates a set of "DMA attributes". For the
-definition of struct dma_attrs see linux/dma-attrs.h.
+dma_attrs.
 
 The interpretation of DMA attributes is architecture-specific, and
 each attribute should be documented in Documentation/DMA-attributes.txt.
 
-If struct dma_attrs* is NULL, the semantics of each of these
-functions is identical to those of the corresponding function
+If dma_attrs are 0, the semantics of each of these functions
+is identical to those of the corresponding function
 without the _attrs suffix. As a result dma_map_single_attrs()
 can generally replace dma_map_single(), etc.
 
@@ -405,15 +414,15 @@ As an example of the use of the *_attrs functions, here's how
 you could pass an attribute DMA_ATTR_FOO when mapping memory
 for DMA:
 
-#include <linux/dma-attrs.h>
-/* DMA_ATTR_FOO should be defined in linux/dma-attrs.h and
+#include <linux/dma-mapping.h>
+/* DMA_ATTR_FOO should be defined in linux/dma-mapping.h and
  * documented in Documentation/DMA-attributes.txt */
 ...
 
-	DEFINE_DMA_ATTRS(attrs);
-	dma_set_attr(DMA_ATTR_FOO, &attrs);
+	unsigned long attr;
+	attr |= DMA_ATTR_FOO;
 	....
-	n = dma_map_sg_attrs(dev, sg, nents, DMA_TO_DEVICE, &attr);
+	n = dma_map_sg_attrs(dev, sg, nents, DMA_TO_DEVICE, attr);
 	....
 
 Architectures that care about DMA_ATTR_FOO would check for its
@@ -422,12 +431,10 @@ routines, e.g.:
 
 void whizco_dma_map_sg_attrs(struct device *dev, dma_addr_t dma_addr,
 			     size_t size, enum dma_data_direction dir,
-			     struct dma_attrs *attrs)
+			     unsigned long attrs)
 {
 	....
-	int foo =  dma_get_attr(DMA_ATTR_FOO, attrs);
-	....
-	if (foo)
+	if (attrs & DMA_ATTR_FOO)
 		/* twizzle the frobnozzle */
 	....
 

Documentation/DMA-attributes.txt

@@ -2,7 +2,7 @@
 			==============
 
 This document describes the semantics of the DMA attributes that are
-defined in linux/dma-attrs.h.
+defined in linux/dma-mapping.h.
 
 DMA_ATTR_WRITE_BARRIER
 ----------------------
@@ -126,3 +126,20 @@ means that we won't try quite as hard to get them.
 
 NOTE: At the moment DMA_ATTR_ALLOC_SINGLE_PAGES is only implemented on ARM,
 though ARM64 patches will likely be posted soon.
+
+DMA_ATTR_NO_WARN
+----------------
+
+This tells the DMA-mapping subsystem to suppress allocation failure reports
+(similarly to __GFP_NOWARN).
+
+On some architectures allocation failures are reported with error messages
+to the system logs.  Although this can help to identify and debug problems,
+drivers which handle failures (eg, retry later) have no problems with them,
+and can actually flood the system logs with error messages that aren't any
+problem at all, depending on the implementation of the retry mechanism.
+
+So, this provides a way for drivers to avoid those error messages on calls
+where allocation failures are not a problem, and shouldn't bother the logs.
+
+NOTE: At the moment DMA_ATTR_NO_WARN is only implemented on PowerPC.

Documentation/DocBook/80211.tmpl

@@ -1,583 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE set PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
-	"http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" []>
-<set>
-  <setinfo>
-    <title>The 802.11 subsystems &ndash; for kernel developers</title>
-    <subtitle>
-      Explaining wireless 802.11 networking in the Linux kernel
-    </subtitle>
-
-    <copyright>
-      <year>2007-2009</year>
-      <holder>Johannes Berg</holder>
-    </copyright>
-
-    <authorgroup>
-      <author>
-        <firstname>Johannes</firstname>
-        <surname>Berg</surname>
-        <affiliation>
-          <address><email>johannes@sipsolutions.net</email></address>
-        </affiliation>
-      </author>
-    </authorgroup>
-
-    <legalnotice>
-      <para>
-        This documentation is free software; you can redistribute
-        it and/or modify it under the terms of the GNU General Public
-        License version 2 as published by the Free Software Foundation.
-      </para>
-      <para>
-        This documentation is distributed in the hope that it will be
-        useful, but WITHOUT ANY WARRANTY; without even the implied
-        warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-        See the GNU General Public License for more details.
-      </para>
-      <para>
-        You should have received a copy of the GNU General Public
-        License along with this documentation; if not, write to the Free
-        Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-        MA 02111-1307 USA
-      </para>
-      <para>
-        For more details see the file COPYING in the source
-        distribution of Linux.
-      </para>
-    </legalnotice>
-
-    <abstract>
-      <para>
-        These books attempt to give a description of the
-        various subsystems that play a role in 802.11 wireless
-        networking in Linux. Since these books are for kernel
-        developers they attempts to document the structures
-        and functions used in the kernel as well as giving a
-        higher-level overview.
-      </para>
-      <para>
-	The reader is expected to be familiar with the 802.11
-	standard as published by the IEEE in 802.11-2007 (or
-	possibly later versions). References to this standard
-	will be given as "802.11-2007 8.1.5".
-      </para>
-    </abstract>
-  </setinfo>
-  <book id="cfg80211-developers-guide">
-    <bookinfo>
-      <title>The cfg80211 subsystem</title>
-
-      <abstract>
-!Pinclude/net/cfg80211.h Introduction
-      </abstract>
-    </bookinfo>
-      <chapter>
-      <title>Device registration</title>
-!Pinclude/net/cfg80211.h Device registration
-!Finclude/net/cfg80211.h ieee80211_channel_flags
-!Finclude/net/cfg80211.h ieee80211_channel
-!Finclude/net/cfg80211.h ieee80211_rate_flags
-!Finclude/net/cfg80211.h ieee80211_rate
-!Finclude/net/cfg80211.h ieee80211_sta_ht_cap
-!Finclude/net/cfg80211.h ieee80211_supported_band
-!Finclude/net/cfg80211.h cfg80211_signal_type
-!Finclude/net/cfg80211.h wiphy_params_flags
-!Finclude/net/cfg80211.h wiphy_flags
-!Finclude/net/cfg80211.h wiphy
-!Finclude/net/cfg80211.h wireless_dev
-!Finclude/net/cfg80211.h wiphy_new
-!Finclude/net/cfg80211.h wiphy_register
-!Finclude/net/cfg80211.h wiphy_unregister
-!Finclude/net/cfg80211.h wiphy_free
-
-!Finclude/net/cfg80211.h wiphy_name
-!Finclude/net/cfg80211.h wiphy_dev
-!Finclude/net/cfg80211.h wiphy_priv
-!Finclude/net/cfg80211.h priv_to_wiphy
-!Finclude/net/cfg80211.h set_wiphy_dev
-!Finclude/net/cfg80211.h wdev_priv
-!Finclude/net/cfg80211.h ieee80211_iface_limit
-!Finclude/net/cfg80211.h ieee80211_iface_combination
-!Finclude/net/cfg80211.h cfg80211_check_combinations
-      </chapter>
-      <chapter>
-      <title>Actions and configuration</title>
-!Pinclude/net/cfg80211.h Actions and configuration
-!Finclude/net/cfg80211.h cfg80211_ops
-!Finclude/net/cfg80211.h vif_params
-!Finclude/net/cfg80211.h key_params
-!Finclude/net/cfg80211.h survey_info_flags
-!Finclude/net/cfg80211.h survey_info
-!Finclude/net/cfg80211.h cfg80211_beacon_data
-!Finclude/net/cfg80211.h cfg80211_ap_settings
-!Finclude/net/cfg80211.h station_parameters
-!Finclude/net/cfg80211.h rate_info_flags
-!Finclude/net/cfg80211.h rate_info
-!Finclude/net/cfg80211.h station_info
-!Finclude/net/cfg80211.h monitor_flags
-!Finclude/net/cfg80211.h mpath_info_flags
-!Finclude/net/cfg80211.h mpath_info
-!Finclude/net/cfg80211.h bss_parameters
-!Finclude/net/cfg80211.h ieee80211_txq_params
-!Finclude/net/cfg80211.h cfg80211_crypto_settings
-!Finclude/net/cfg80211.h cfg80211_auth_request
-!Finclude/net/cfg80211.h cfg80211_assoc_request
-!Finclude/net/cfg80211.h cfg80211_deauth_request
-!Finclude/net/cfg80211.h cfg80211_disassoc_request
-!Finclude/net/cfg80211.h cfg80211_ibss_params
-!Finclude/net/cfg80211.h cfg80211_connect_params
-!Finclude/net/cfg80211.h cfg80211_pmksa
-!Finclude/net/cfg80211.h cfg80211_rx_mlme_mgmt
-!Finclude/net/cfg80211.h cfg80211_auth_timeout
-!Finclude/net/cfg80211.h cfg80211_rx_assoc_resp
-!Finclude/net/cfg80211.h cfg80211_assoc_timeout
-!Finclude/net/cfg80211.h cfg80211_tx_mlme_mgmt
-!Finclude/net/cfg80211.h cfg80211_ibss_joined
-!Finclude/net/cfg80211.h cfg80211_connect_result
-!Finclude/net/cfg80211.h cfg80211_connect_bss
-!Finclude/net/cfg80211.h cfg80211_roamed
-!Finclude/net/cfg80211.h cfg80211_disconnected
-!Finclude/net/cfg80211.h cfg80211_ready_on_channel
-!Finclude/net/cfg80211.h cfg80211_remain_on_channel_expired
-!Finclude/net/cfg80211.h cfg80211_new_sta
-!Finclude/net/cfg80211.h cfg80211_rx_mgmt
-!Finclude/net/cfg80211.h cfg80211_mgmt_tx_status
-!Finclude/net/cfg80211.h cfg80211_cqm_rssi_notify
-!Finclude/net/cfg80211.h cfg80211_cqm_pktloss_notify
-!Finclude/net/cfg80211.h cfg80211_michael_mic_failure
-      </chapter>
-      <chapter>
-      <title>Scanning and BSS list handling</title>
-!Pinclude/net/cfg80211.h Scanning and BSS list handling
-!Finclude/net/cfg80211.h cfg80211_ssid
-!Finclude/net/cfg80211.h cfg80211_scan_request
-!Finclude/net/cfg80211.h cfg80211_scan_done
-!Finclude/net/cfg80211.h cfg80211_bss
-!Finclude/net/cfg80211.h cfg80211_inform_bss
-!Finclude/net/cfg80211.h cfg80211_inform_bss_frame_data
-!Finclude/net/cfg80211.h cfg80211_inform_bss_data
-!Finclude/net/cfg80211.h cfg80211_unlink_bss
-!Finclude/net/cfg80211.h cfg80211_find_ie
-!Finclude/net/cfg80211.h ieee80211_bss_get_ie
-      </chapter>
-      <chapter>
-      <title>Utility functions</title>
-!Pinclude/net/cfg80211.h Utility functions
-!Finclude/net/cfg80211.h ieee80211_channel_to_frequency
-!Finclude/net/cfg80211.h ieee80211_frequency_to_channel
-!Finclude/net/cfg80211.h ieee80211_get_channel
-!Finclude/net/cfg80211.h ieee80211_get_response_rate
-!Finclude/net/cfg80211.h ieee80211_hdrlen
-!Finclude/net/cfg80211.h ieee80211_get_hdrlen_from_skb
-!Finclude/net/cfg80211.h ieee80211_radiotap_iterator
-      </chapter>
-      <chapter>
-      <title>Data path helpers</title>
-!Pinclude/net/cfg80211.h Data path helpers
-!Finclude/net/cfg80211.h ieee80211_data_to_8023
-!Finclude/net/cfg80211.h ieee80211_data_from_8023
-!Finclude/net/cfg80211.h ieee80211_amsdu_to_8023s
-!Finclude/net/cfg80211.h cfg80211_classify8021d
-      </chapter>
-      <chapter>
-      <title>Regulatory enforcement infrastructure</title>
-!Pinclude/net/cfg80211.h Regulatory enforcement infrastructure
-!Finclude/net/cfg80211.h regulatory_hint
-!Finclude/net/cfg80211.h wiphy_apply_custom_regulatory
-!Finclude/net/cfg80211.h freq_reg_info
-      </chapter>
-      <chapter>
-      <title>RFkill integration</title>
-!Pinclude/net/cfg80211.h RFkill integration
-!Finclude/net/cfg80211.h wiphy_rfkill_set_hw_state
-!Finclude/net/cfg80211.h wiphy_rfkill_start_polling
-!Finclude/net/cfg80211.h wiphy_rfkill_stop_polling
-      </chapter>
-      <chapter>
-      <title>Test mode</title>
-!Pinclude/net/cfg80211.h Test mode
-!Finclude/net/cfg80211.h cfg80211_testmode_alloc_reply_skb
-!Finclude/net/cfg80211.h cfg80211_testmode_reply
-!Finclude/net/cfg80211.h cfg80211_testmode_alloc_event_skb
-!Finclude/net/cfg80211.h cfg80211_testmode_event
-      </chapter>
-  </book>
-  <book id="mac80211-developers-guide">
-    <bookinfo>
-      <title>The mac80211 subsystem</title>
-      <abstract>
-!Pinclude/net/mac80211.h Introduction
-!Pinclude/net/mac80211.h Warning
-      </abstract>
-    </bookinfo>
-
-    <toc></toc>
-
-  <!--
-  Generally, this document shall be ordered by increasing complexity.
-  It is important to note that readers should be able to read only
-  the first few sections to get a working driver and only advanced
-  usage should require reading the full document.
-  -->
-
-    <part>
-      <title>The basic mac80211 driver interface</title>
-      <partintro>
-        <para>
-          You should read and understand the information contained
-          within this part of the book while implementing a driver.
-          In some chapters, advanced usage is noted, that may be
-          skipped at first.
-        </para>
-        <para>
-          This part of the book only covers station and monitor mode
-          functionality, additional information required to implement
-          the other modes is covered in the second part of the book.
-        </para>
-      </partintro>
-
-      <chapter id="basics">
-        <title>Basic hardware handling</title>
-        <para>TBD</para>
-        <para>
-          This chapter shall contain information on getting a hw
-          struct allocated and registered with mac80211.
-        </para>
-        <para>
-          Since it is required to allocate rates/modes before registering
-          a hw struct, this chapter shall also contain information on setting
-          up the rate/mode structs.
-        </para>
-        <para>
-          Additionally, some discussion about the callbacks and
-          the general programming model should be in here, including
-          the definition of ieee80211_ops which will be referred to
-          a lot.
-        </para>
-        <para>
-          Finally, a discussion of hardware capabilities should be done
-          with references to other parts of the book.
-        </para>
-  <!-- intentionally multiple !F lines to get proper order -->
-!Finclude/net/mac80211.h ieee80211_hw
-!Finclude/net/mac80211.h ieee80211_hw_flags
-!Finclude/net/mac80211.h SET_IEEE80211_DEV
-!Finclude/net/mac80211.h SET_IEEE80211_PERM_ADDR
-!Finclude/net/mac80211.h ieee80211_ops
-!Finclude/net/mac80211.h ieee80211_alloc_hw
-!Finclude/net/mac80211.h ieee80211_register_hw
-!Finclude/net/mac80211.h ieee80211_unregister_hw
-!Finclude/net/mac80211.h ieee80211_free_hw
-      </chapter>
-
-      <chapter id="phy-handling">
-        <title>PHY configuration</title>
-        <para>TBD</para>
-        <para>
-          This chapter should describe PHY handling including
-          start/stop callbacks and the various structures used.
-        </para>
-!Finclude/net/mac80211.h ieee80211_conf
-!Finclude/net/mac80211.h ieee80211_conf_flags
-      </chapter>
-
-      <chapter id="iface-handling">
-        <title>Virtual interfaces</title>
-        <para>TBD</para>
-        <para>
-          This chapter should describe virtual interface basics
-          that are relevant to the driver (VLANs, MGMT etc are not.)
-          It should explain the use of the add_iface/remove_iface
-          callbacks as well as the interface configuration callbacks.
-        </para>
-        <para>Things related to AP mode should be discussed there.</para>
-        <para>
-          Things related to supporting multiple interfaces should be
-          in the appropriate chapter, a BIG FAT note should be here about
-          this though and the recommendation to allow only a single
-          interface in STA mode at first!
-        </para>
-!Finclude/net/mac80211.h ieee80211_vif
-      </chapter>
-
-      <chapter id="rx-tx">
-        <title>Receive and transmit processing</title>
-        <sect1>
-          <title>what should be here</title>
-          <para>TBD</para>
-          <para>
-            This should describe the receive and transmit
-            paths in mac80211/the drivers as well as
-            transmit status handling.
-          </para>
-        </sect1>
-        <sect1>
-          <title>Frame format</title>
-!Pinclude/net/mac80211.h Frame format
-        </sect1>
-        <sect1>
-          <title>Packet alignment</title>
-!Pnet/mac80211/rx.c Packet alignment
-        </sect1>
-        <sect1>
-          <title>Calling into mac80211 from interrupts</title>
-!Pinclude/net/mac80211.h Calling mac80211 from interrupts
-        </sect1>
-        <sect1>
-          <title>functions/definitions</title>
-!Finclude/net/mac80211.h ieee80211_rx_status
-!Finclude/net/mac80211.h mac80211_rx_flags
-!Finclude/net/mac80211.h mac80211_tx_info_flags
-!Finclude/net/mac80211.h mac80211_tx_control_flags
-!Finclude/net/mac80211.h mac80211_rate_control_flags
-!Finclude/net/mac80211.h ieee80211_tx_rate
-!Finclude/net/mac80211.h ieee80211_tx_info
-!Finclude/net/mac80211.h ieee80211_tx_info_clear_status
-!Finclude/net/mac80211.h ieee80211_rx
-!Finclude/net/mac80211.h ieee80211_rx_ni
-!Finclude/net/mac80211.h ieee80211_rx_irqsafe
-!Finclude/net/mac80211.h ieee80211_tx_status
-!Finclude/net/mac80211.h ieee80211_tx_status_ni
-!Finclude/net/mac80211.h ieee80211_tx_status_irqsafe
-!Finclude/net/mac80211.h ieee80211_rts_get
-!Finclude/net/mac80211.h ieee80211_rts_duration
-!Finclude/net/mac80211.h ieee80211_ctstoself_get
-!Finclude/net/mac80211.h ieee80211_ctstoself_duration
-!Finclude/net/mac80211.h ieee80211_generic_frame_duration
-!Finclude/net/mac80211.h ieee80211_wake_queue
-!Finclude/net/mac80211.h ieee80211_stop_queue
-!Finclude/net/mac80211.h ieee80211_wake_queues
-!Finclude/net/mac80211.h ieee80211_stop_queues
-!Finclude/net/mac80211.h ieee80211_queue_stopped
-        </sect1>
-      </chapter>
-
-      <chapter id="filters">
-        <title>Frame filtering</title>
-!Pinclude/net/mac80211.h Frame filtering
-!Finclude/net/mac80211.h ieee80211_filter_flags
-      </chapter>
-
-      <chapter id="workqueue">
-        <title>The mac80211 workqueue</title>
-!Pinclude/net/mac80211.h mac80211 workqueue
-!Finclude/net/mac80211.h ieee80211_queue_work
-!Finclude/net/mac80211.h ieee80211_queue_delayed_work
-      </chapter>
-    </part>
-
-    <part id="advanced">
-      <title>Advanced driver interface</title>
-      <partintro>
-        <para>
-         Information contained within this part of the book is
-         of interest only for advanced interaction of mac80211
-         with drivers to exploit more hardware capabilities and
-         improve performance.
-        </para>
-      </partintro>
-
-      <chapter id="led-support">
-        <title>LED support</title>
-        <para>
-         Mac80211 supports various ways of blinking LEDs. Wherever possible,
-         device LEDs should be exposed as LED class devices and hooked up to
-         the appropriate trigger, which will then be triggered appropriately
-         by mac80211.
-        </para>
-!Finclude/net/mac80211.h ieee80211_get_tx_led_name
-!Finclude/net/mac80211.h ieee80211_get_rx_led_name
-!Finclude/net/mac80211.h ieee80211_get_assoc_led_name
-!Finclude/net/mac80211.h ieee80211_get_radio_led_name
-!Finclude/net/mac80211.h ieee80211_tpt_blink
-!Finclude/net/mac80211.h ieee80211_tpt_led_trigger_flags
-!Finclude/net/mac80211.h ieee80211_create_tpt_led_trigger
-      </chapter>
-
-      <chapter id="hardware-crypto-offload">
-        <title>Hardware crypto acceleration</title>
-!Pinclude/net/mac80211.h Hardware crypto acceleration
-  <!-- intentionally multiple !F lines to get proper order -->
-!Finclude/net/mac80211.h set_key_cmd
-!Finclude/net/mac80211.h ieee80211_key_conf
-!Finclude/net/mac80211.h ieee80211_key_flags
-!Finclude/net/mac80211.h ieee80211_get_tkip_p1k
-!Finclude/net/mac80211.h ieee80211_get_tkip_p1k_iv
-!Finclude/net/mac80211.h ieee80211_get_tkip_p2k
-      </chapter>
-
-      <chapter id="powersave">
-        <title>Powersave support</title>
-!Pinclude/net/mac80211.h Powersave support
-      </chapter>
-
-      <chapter id="beacon-filter">
-        <title>Beacon filter support</title>
-!Pinclude/net/mac80211.h Beacon filter support
-!Finclude/net/mac80211.h ieee80211_beacon_loss
-      </chapter>
-
-      <chapter id="qos">
-        <title>Multiple queues and QoS support</title>
-        <para>TBD</para>
-!Finclude/net/mac80211.h ieee80211_tx_queue_params
-      </chapter>
-
-      <chapter id="AP">
-        <title>Access point mode support</title>
-        <para>TBD</para>
-        <para>Some parts of the if_conf should be discussed here instead</para>
-        <para>
-          Insert notes about VLAN interfaces with hw crypto here or
-          in the hw crypto chapter.
-        </para>
-      <section id="ps-client">
-        <title>support for powersaving clients</title>
-!Pinclude/net/mac80211.h AP support for powersaving clients
-!Finclude/net/mac80211.h ieee80211_get_buffered_bc
-!Finclude/net/mac80211.h ieee80211_beacon_get
-!Finclude/net/mac80211.h ieee80211_sta_eosp
-!Finclude/net/mac80211.h ieee80211_frame_release_type
-!Finclude/net/mac80211.h ieee80211_sta_ps_transition
-!Finclude/net/mac80211.h ieee80211_sta_ps_transition_ni
-!Finclude/net/mac80211.h ieee80211_sta_set_buffered
-!Finclude/net/mac80211.h ieee80211_sta_block_awake
-      </section>
-      </chapter>
-
-      <chapter id="multi-iface">
-        <title>Supporting multiple virtual interfaces</title>
-        <para>TBD</para>
-        <para>
-          Note: WDS with identical MAC address should almost always be OK
-        </para>
-        <para>
-          Insert notes about having multiple virtual interfaces with
-          different MAC addresses here, note which configurations are
-          supported by mac80211, add notes about supporting hw crypto
-          with it.
-        </para>
-!Finclude/net/mac80211.h ieee80211_iterate_active_interfaces
-!Finclude/net/mac80211.h ieee80211_iterate_active_interfaces_atomic
-      </chapter>
-
-      <chapter id="station-handling">
-        <title>Station handling</title>
-        <para>TODO</para>
-!Finclude/net/mac80211.h ieee80211_sta
-!Finclude/net/mac80211.h sta_notify_cmd
-!Finclude/net/mac80211.h ieee80211_find_sta
-!Finclude/net/mac80211.h ieee80211_find_sta_by_ifaddr
-      </chapter>
-
-      <chapter id="hardware-scan-offload">
-        <title>Hardware scan offload</title>
-        <para>TBD</para>
-!Finclude/net/mac80211.h ieee80211_scan_completed
-      </chapter>
-
-      <chapter id="aggregation">
-        <title>Aggregation</title>
-        <sect1>
-          <title>TX A-MPDU aggregation</title>
-!Pnet/mac80211/agg-tx.c TX A-MPDU aggregation
-!Cnet/mac80211/agg-tx.c
-        </sect1>
-        <sect1>
-          <title>RX A-MPDU aggregation</title>
-!Pnet/mac80211/agg-rx.c RX A-MPDU aggregation
-!Cnet/mac80211/agg-rx.c
-!Finclude/net/mac80211.h ieee80211_ampdu_mlme_action
-        </sect1>
-      </chapter>
-
-      <chapter id="smps">
-        <title>Spatial Multiplexing Powersave (SMPS)</title>
-!Pinclude/net/mac80211.h Spatial multiplexing power save
-!Finclude/net/mac80211.h ieee80211_request_smps
-!Finclude/net/mac80211.h ieee80211_smps_mode
-      </chapter>
-    </part>
-
-    <part id="rate-control">
-      <title>Rate control interface</title>
-      <partintro>
-        <para>TBD</para>
-        <para>
-         This part of the book describes the rate control algorithm
-         interface and how it relates to mac80211 and drivers.
-        </para>
-      </partintro>
-      <chapter id="ratecontrol-api">
-        <title>Rate Control API</title>
-        <para>TBD</para>
-!Finclude/net/mac80211.h ieee80211_start_tx_ba_session
-!Finclude/net/mac80211.h ieee80211_start_tx_ba_cb_irqsafe
-!Finclude/net/mac80211.h ieee80211_stop_tx_ba_session
-!Finclude/net/mac80211.h ieee80211_stop_tx_ba_cb_irqsafe
-!Finclude/net/mac80211.h ieee80211_rate_control_changed
-!Finclude/net/mac80211.h ieee80211_tx_rate_control
-!Finclude/net/mac80211.h rate_control_send_low
-      </chapter>
-    </part>
-
-    <part id="internal">
-      <title>Internals</title>
-      <partintro>
-        <para>TBD</para>
-        <para>
-         This part of the book describes mac80211 internals.
-        </para>
-      </partintro>
-
-      <chapter id="key-handling">
-        <title>Key handling</title>
-        <sect1>
-          <title>Key handling basics</title>
-!Pnet/mac80211/key.c Key handling basics
-        </sect1>
-        <sect1>
-          <title>MORE TBD</title>
-          <para>TBD</para>
-        </sect1>
-      </chapter>
-
-      <chapter id="rx-processing">
-        <title>Receive processing</title>
-        <para>TBD</para>
-      </chapter>
-
-      <chapter id="tx-processing">
-        <title>Transmit processing</title>
-        <para>TBD</para>
-      </chapter>
-
-      <chapter id="sta-info">
-        <title>Station info handling</title>
-        <sect1>
-          <title>Programming information</title>
-!Fnet/mac80211/sta_info.h sta_info
-!Fnet/mac80211/sta_info.h ieee80211_sta_info_flags
-        </sect1>
-        <sect1>
-          <title>STA information lifetime rules</title>
-!Pnet/mac80211/sta_info.c STA information lifetime rules
-        </sect1>
-      </chapter>
-
-      <chapter id="aggregation-internals">
-        <title>Aggregation</title>
-!Fnet/mac80211/sta_info.h sta_ampdu_mlme
-!Fnet/mac80211/sta_info.h tid_ampdu_tx
-!Fnet/mac80211/sta_info.h tid_ampdu_rx
-      </chapter>
-
-      <chapter id="synchronisation">
-        <title>Synchronisation</title>
-        <para>TBD</para>
-        <para>Locking, lots of RCU</para>
-      </chapter>
-    </part>
-  </book>
-</set>

Documentation/DocBook/Makefile

@@ -6,18 +6,30 @@
 # To add a new book the only step required is to add the book to the
 # list of DOCBOOKS.
 
-DOCBOOKS := z8530book.xml device-drivers.xml \
+DOCBOOKS := z8530book.xml  \
 	    kernel-hacking.xml kernel-locking.xml deviceiobook.xml \
 	    writing_usb_driver.xml networking.xml \
 	    kernel-api.xml filesystems.xml lsm.xml usb.xml kgdb.xml \
 	    gadget.xml libata.xml mtdnand.xml librs.xml rapidio.xml \
 	    genericirq.xml s390-drivers.xml uio-howto.xml scsi.xml \
-	    80211.xml debugobjects.xml sh.xml regulator.xml \
+	    debugobjects.xml sh.xml regulator.xml \
 	    alsa-driver-api.xml writing-an-alsa-driver.xml \
-	    tracepoint.xml gpu.xml media_api.xml w1.xml \
+	    tracepoint.xml w1.xml \
 	    writing_musb_glue_layer.xml crypto-API.xml iio.xml
 
-include Documentation/DocBook/media/Makefile
+ifeq ($(DOCBOOKS),)
+
+# Skip DocBook build if the user explicitly requested no DOCBOOKS.
+.DEFAULT:
+	@echo "  SKIP    DocBook $@ target (DOCBOOKS=\"\" specified)."
+else
+ifneq ($(SPHINXDIRS),)
+
+# Skip DocBook build if the user explicitly requested a sphinx dir
+.DEFAULT:
+	@echo "  SKIP    DocBook $@ target (SPHINXDIRS specified)."
+else
+
 
 ###
 # The build process is as follows (targets):
@@ -33,10 +45,6 @@ PDF_METHOD	= $(prefer-db2x)
 PS_METHOD	= $(prefer-db2x)
 
 
-###
-# The targets that may be used.
-PHONY += xmldocs sgmldocs psdocs pdfdocs htmldocs mandocs installmandocs cleandocs
-
 targets += $(DOCBOOKS)
 BOOKS := $(addprefix $(obj)/,$(DOCBOOKS))
 xmldocs: $(BOOKS)
@@ -51,7 +59,6 @@ pdfdocs: $(PDF)
 HTML := $(sort $(patsubst %.xml, %.html, $(BOOKS)))
 htmldocs: $(HTML)
 	$(call cmd,build_main_index)
-	$(call install_media_images)
 
 MAN := $(patsubst %.xml, %.9, $(BOOKS))
 mandocs: $(MAN)
@@ -63,6 +70,10 @@ installmandocs: mandocs
 		sort -k 2 -k 1 | uniq -f 1 | sed -e 's: :/:' | \
 		xargs install -m 644 -t /usr/local/man/man9/
 
+# no-op for the DocBook toolchain
+epubdocs:
+latexdocs:
+
 ###
 #External programs used
 KERNELDOCXMLREF = $(srctree)/scripts/kernel-doc-xml-ref
@@ -216,10 +227,13 @@ silent_gen_xml = :
 	       -e "s/>/\\>/g";     \
 	   echo "</programlisting>")  > $@
 
+endif # DOCBOOKS=""
+endif # SPHINDIR=...
+
 ###
 # Help targets as used by the top-level makefile
 dochelp:
-	@echo  ' Linux kernel internal documentation in different formats:'
+	@echo  ' Linux kernel internal documentation in different formats (DocBook):'
 	@echo  '  htmldocs        - HTML'
 	@echo  '  pdfdocs         - PDF'
 	@echo  '  psdocs          - Postscript'
@@ -228,8 +242,11 @@ dochelp:
 	@echo  '  installmandocs  - install man pages generated by mandocs'
 	@echo  '  cleandocs       - clean all generated DocBook files'
 	@echo
-	@echo  'make DOCBOOKS="s1.xml s2.xml" [target] Generate only docs s1.xml s2.xml'
+	@echo  '  make DOCBOOKS="s1.xml s2.xml" [target] Generate only docs s1.xml s2.xml'
 	@echo  '  valid values for DOCBOOKS are: $(DOCBOOKS)'
+	@echo
+	@echo  "  make DOCBOOKS=\"\" [target] Don't generate docs from Docbook"
+	@echo  '     This is useful to generate only the ReST docs (Sphinx)'
 
 
 ###
@@ -251,7 +268,7 @@ clean-files := $(DOCBOOKS) \
 
 clean-dirs := $(patsubst %.xml,%,$(DOCBOOKS)) man
 
-cleandocs: cleanmediadocs
+cleandocs:
 	$(Q)rm -f $(call objectify, $(clean-files))
 	$(Q)rm -rf $(call objectify, $(clean-dirs))
 

Documentation/DocBook/crypto-API.tmpl

@@ -440,8 +440,8 @@
      The type flag specifies the type of the cipher algorithm.
      The caller usually provides a 0 when the caller wants the
      default handling. Otherwise, the caller may provide the
-     following selections which match the the aforementioned
-     cipher types:
+     following selections which match the aforementioned cipher
+     types:
     </para>
 
     <itemizedlist>
@@ -797,7 +797,8 @@ kernel crypto API            |       Caller
      include/linux/crypto.h and their definition can be seen below.
      The former function registers a single transformation, while
      the latter works on an array of transformation descriptions.
-     The latter is useful when registering transformations in bulk.
+     The latter is useful when registering transformations in bulk,
+     for example when a driver implements multiple transformations.
     </para>
 
     <programlisting>
@@ -822,18 +823,31 @@ kernel crypto API            |       Caller
     </para>
 
     <para>
-     The bulk registration / unregistration functions require
-     that struct crypto_alg is an array of count size. These
-     functions simply loop over that array and register /
-     unregister each individual algorithm. If an error occurs,
-     the loop is terminated at the offending algorithm definition.
-     That means, the algorithms prior to the offending algorithm
-     are successfully registered. Note, the caller has no way of
-     knowing which cipher implementations have successfully
-     registered. If this is important to know, the caller should
-     loop through the different implementations using the single
-     instance *_alg functions for each individual implementation.
+     The bulk registration/unregistration functions
+     register/unregister each transformation in the given array of
+     length count.  They handle errors as follows:
     </para>
+    <itemizedlist>
+     <listitem>
+      <para>
+       crypto_register_algs() succeeds if and only if it
+       successfully registers all the given transformations. If an
+       error occurs partway through, then it rolls back successful
+       registrations before returning the error code. Note that if
+       a driver needs to handle registration errors for individual
+       transformations, then it will need to use the non-bulk
+       function crypto_register_alg() instead.
+      </para>
+     </listitem>
+     <listitem>
+      <para>
+       crypto_unregister_algs() tries to unregister all the given
+       transformations, continuing on error. It logs errors and
+       always returns zero.
+      </para>
+     </listitem>
+    </itemizedlist>
+
    </sect1>
 
    <sect1><title>Single-Block Symmetric Ciphers [CIPHER]</title>

Documentation/DocBook/device-drivers.tmpl

@@ -1,544 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
-	"http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" []>
-
-<book id="LinuxDriversAPI">
- <bookinfo>
-  <title>Linux Device Drivers</title>
-
-  <legalnotice>
-   <para>
-     This documentation is free software; you can redistribute
-     it and/or modify it under the terms of the GNU General Public
-     License as published by the Free Software Foundation; either
-     version 2 of the License, or (at your option) any later
-     version.
-   </para>
-
-   <para>
-     This program is distributed in the hope that it will be
-     useful, but WITHOUT ANY WARRANTY; without even the implied
-     warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-     See the GNU General Public License for more details.
-   </para>
-
-   <para>
-     You should have received a copy of the GNU General Public
-     License along with this program; if not, write to the Free
-     Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-     MA 02111-1307 USA
-   </para>
-
-   <para>
-     For more details see the file COPYING in the source
-     distribution of Linux.
-   </para>
-  </legalnotice>
- </bookinfo>
-
-<toc></toc>
-
-  <chapter id="Basics">
-     <title>Driver Basics</title>
-     <sect1><title>Driver Entry and Exit points</title>
-!Iinclude/linux/init.h
-     </sect1>
-
-     <sect1><title>Atomic and pointer manipulation</title>
-!Iarch/x86/include/asm/atomic.h
-     </sect1>
-
-     <sect1><title>Delaying, scheduling, and timer routines</title>
-!Iinclude/linux/sched.h
-!Ekernel/sched/core.c
-!Ikernel/sched/cpupri.c
-!Ikernel/sched/fair.c
-!Iinclude/linux/completion.h
-!Ekernel/time/timer.c
-     </sect1>
-     <sect1><title>Wait queues and Wake events</title>
-!Iinclude/linux/wait.h
-!Ekernel/sched/wait.c
-     </sect1>
-     <sect1><title>High-resolution timers</title>
-!Iinclude/linux/ktime.h
-!Iinclude/linux/hrtimer.h
-!Ekernel/time/hrtimer.c
-     </sect1>
-     <sect1><title>Workqueues and Kevents</title>
-!Iinclude/linux/workqueue.h
-!Ekernel/workqueue.c
-     </sect1>
-     <sect1><title>Internal Functions</title>
-!Ikernel/exit.c
-!Ikernel/signal.c
-!Iinclude/linux/kthread.h
-!Ekernel/kthread.c
-     </sect1>
-
-     <sect1><title>Kernel objects manipulation</title>
-<!--
-X!Iinclude/linux/kobject.h
--->
-!Elib/kobject.c
-     </sect1>
-
-     <sect1><title>Kernel utility functions</title>
-!Iinclude/linux/kernel.h
-!Ekernel/printk/printk.c
-!Ekernel/panic.c
-!Ekernel/sys.c
-!Ekernel/rcu/srcu.c
-!Ekernel/rcu/tree.c
-!Ekernel/rcu/tree_plugin.h
-!Ekernel/rcu/update.c
-     </sect1>
-
-     <sect1><title>Device Resource Management</title>
-!Edrivers/base/devres.c
-     </sect1>
-
-  </chapter>
-
-  <chapter id="devdrivers">
-     <title>Device drivers infrastructure</title>
-     <sect1><title>The Basic Device Driver-Model Structures </title>
-!Iinclude/linux/device.h
-     </sect1>
-     <sect1><title>Device Drivers Base</title>
-!Idrivers/base/init.c
-!Edrivers/base/driver.c
-!Edrivers/base/core.c
-!Edrivers/base/syscore.c
-!Edrivers/base/class.c
-!Idrivers/base/node.c
-!Edrivers/base/firmware_class.c
-!Edrivers/base/transport_class.c
-<!-- Cannot be included, because
-     attribute_container_add_class_device_adapter
- and attribute_container_classdev_to_container
-     exceed allowed 44 characters maximum
-X!Edrivers/base/attribute_container.c
--->
-!Edrivers/base/dd.c
-<!--
-X!Edrivers/base/interface.c
--->
-!Iinclude/linux/platform_device.h
-!Edrivers/base/platform.c
-!Edrivers/base/bus.c
-     </sect1>
-     <sect1><title>Device Drivers DMA Management</title>
-!Edrivers/dma-buf/dma-buf.c
-!Edrivers/dma-buf/fence.c
-!Edrivers/dma-buf/seqno-fence.c
-!Iinclude/linux/fence.h
-!Iinclude/linux/seqno-fence.h
-!Edrivers/dma-buf/reservation.c
-!Iinclude/linux/reservation.h
-!Edrivers/dma-buf/sync_file.c
-!Iinclude/linux/sync_file.h
-!Edrivers/base/dma-coherent.c
-!Edrivers/base/dma-mapping.c
-     </sect1>
-     <sect1><title>Device Drivers Power Management</title>
-!Edrivers/base/power/main.c
-     </sect1>
-     <sect1><title>Device Drivers ACPI Support</title>
-<!-- Internal functions only
-X!Edrivers/acpi/sleep/main.c
-X!Edrivers/acpi/sleep/wakeup.c
-X!Edrivers/acpi/motherboard.c
-X!Edrivers/acpi/bus.c
--->
-!Edrivers/acpi/scan.c
-!Idrivers/acpi/scan.c
-<!-- No correct structured comments
-X!Edrivers/acpi/pci_bind.c
--->
-     </sect1>
-     <sect1><title>Device drivers PnP support</title>
-!Idrivers/pnp/core.c
-<!-- No correct structured comments
-X!Edrivers/pnp/system.c
- -->
-!Edrivers/pnp/card.c
-!Idrivers/pnp/driver.c
-!Edrivers/pnp/manager.c
-!Edrivers/pnp/support.c
-     </sect1>
-     <sect1><title>Userspace IO devices</title>
-!Edrivers/uio/uio.c
-!Iinclude/linux/uio_driver.h
-     </sect1>
-  </chapter>
-
-  <chapter id="parportdev">
-     <title>Parallel Port Devices</title>
-!Iinclude/linux/parport.h
-!Edrivers/parport/ieee1284.c
-!Edrivers/parport/share.c
-!Idrivers/parport/daisy.c
-  </chapter>
-
-  <chapter id="message_devices">
-	<title>Message-based devices</title>
-     <sect1><title>Fusion message devices</title>
-!Edrivers/message/fusion/mptbase.c
-!Idrivers/message/fusion/mptbase.c
-!Edrivers/message/fusion/mptscsih.c
-!Idrivers/message/fusion/mptscsih.c
-!Idrivers/message/fusion/mptctl.c
-!Idrivers/message/fusion/mptspi.c
-!Idrivers/message/fusion/mptfc.c
-!Idrivers/message/fusion/mptlan.c
-     </sect1>
-  </chapter>
-
-  <chapter id="snddev">
-     <title>Sound Devices</title>
-!Iinclude/sound/core.h
-!Esound/sound_core.c
-!Iinclude/sound/pcm.h
-!Esound/core/pcm.c
-!Esound/core/device.c
-!Esound/core/info.c
-!Esound/core/rawmidi.c
-!Esound/core/sound.c
-!Esound/core/memory.c
-!Esound/core/pcm_memory.c
-!Esound/core/init.c
-!Esound/core/isadma.c
-!Esound/core/control.c
-!Esound/core/pcm_lib.c
-!Esound/core/hwdep.c
-!Esound/core/pcm_native.c
-!Esound/core/memalloc.c
-<!-- FIXME: Removed for now since no structured comments in source
-X!Isound/sound_firmware.c
--->
-  </chapter>
-
-  <chapter id="mediadev">
-     <title>Media Devices</title>
-
-     <sect1><title>Video2Linux devices</title>
-!Iinclude/media/tuner.h
-!Iinclude/media/tuner-types.h
-!Iinclude/media/tveeprom.h
-!Iinclude/media/v4l2-async.h
-!Iinclude/media/v4l2-ctrls.h
-!Iinclude/media/v4l2-dv-timings.h
-!Iinclude/media/v4l2-event.h
-!Iinclude/media/v4l2-flash-led-class.h
-!Iinclude/media/v4l2-mc.h
-!Iinclude/media/v4l2-mediabus.h
-!Iinclude/media/v4l2-mem2mem.h
-!Iinclude/media/v4l2-of.h
-!Iinclude/media/v4l2-rect.h
-!Iinclude/media/v4l2-subdev.h
-!Iinclude/media/videobuf2-core.h
-!Iinclude/media/videobuf2-v4l2.h
-!Iinclude/media/videobuf2-memops.h
-     </sect1>
-     <sect1><title>Digital TV (DVB) devices</title>
-	<sect1><title>Digital TV Common functions</title>
-!Idrivers/media/dvb-core/dvb_math.h
-!Idrivers/media/dvb-core/dvb_ringbuffer.h
-!Idrivers/media/dvb-core/dvbdev.h
-	</sect1>
-	<sect1><title>Digital TV Frontend kABI</title>
-!Pdrivers/media/dvb-core/dvb_frontend.h Digital TV Frontend
-!Idrivers/media/dvb-core/dvb_frontend.h
-	</sect1>
-	<sect1><title>Digital TV Demux kABI</title>
-!Pdrivers/media/dvb-core/demux.h Digital TV Demux
-	<sect1><title>Demux Callback API</title>
-!Pdrivers/media/dvb-core/demux.h Demux Callback
-	</sect1>
-!Idrivers/media/dvb-core/demux.h
-	</sect1>
-	<sect1><title>Digital TV Conditional Access kABI</title>
-!Idrivers/media/dvb-core/dvb_ca_en50221.h
-	</sect1>
-     </sect1>
-    <sect1><title>Remote Controller devices</title>
-!Iinclude/media/rc-core.h
-!Iinclude/media/lirc_dev.h
-    </sect1>
-    <sect1><title>Media Controller devices</title>
-!Pinclude/media/media-device.h Media Controller
-!Iinclude/media/media-device.h
-!Iinclude/media/media-devnode.h
-!Iinclude/media/media-entity.h
-    </sect1>
-
-  </chapter>
-
-  <chapter id="uart16x50">
-     <title>16x50 UART Driver</title>
-!Edrivers/tty/serial/serial_core.c
-!Edrivers/tty/serial/8250/8250_core.c
-  </chapter>
-
-  <chapter id="fbdev">
-     <title>Frame Buffer Library</title>
-
-     <para>
-       The frame buffer drivers depend heavily on four data structures.
-       These structures are declared in include/linux/fb.h.  They are
-       fb_info, fb_var_screeninfo, fb_fix_screeninfo and fb_monospecs.
-       The last three can be made available to and from userland.
-     </para>
-
-     <para>
-       fb_info defines the current state of a particular video card.
-       Inside fb_info, there exists a fb_ops structure which is a
-       collection of needed functions to make fbdev and fbcon work.
-       fb_info is only visible to the kernel.
-     </para>
-
-     <para>
-       fb_var_screeninfo is used to describe the features of a video card
-       that are user defined.  With fb_var_screeninfo, things such as
-       depth and the resolution may be defined.
-     </para>
-
-     <para>
-       The next structure is fb_fix_screeninfo. This defines the
-       properties of a card that are created when a mode is set and can't
-       be changed otherwise.  A good example of this is the start of the
-       frame buffer memory.  This "locks" the address of the frame buffer
-       memory, so that it cannot be changed or moved.
-     </para>
-
-     <para>
-       The last structure is fb_monospecs. In the old API, there was
-       little importance for fb_monospecs. This allowed for forbidden things
-       such as setting a mode of 800x600 on a fix frequency monitor. With
-       the new API, fb_monospecs prevents such things, and if used
-       correctly, can prevent a monitor from being cooked.  fb_monospecs
-       will not be useful until kernels 2.5.x.
-     </para>
-
-     <sect1><title>Frame Buffer Memory</title>
-!Edrivers/video/fbdev/core/fbmem.c
-     </sect1>
-<!--
-     <sect1><title>Frame Buffer Console</title>
-X!Edrivers/video/console/fbcon.c
-     </sect1>
--->
-     <sect1><title>Frame Buffer Colormap</title>
-!Edrivers/video/fbdev/core/fbcmap.c
-     </sect1>
-<!-- FIXME:
-  drivers/video/fbgen.c has no docs, which stuffs up the sgml.  Comment
-  out until somebody adds docs.  KAO
-     <sect1><title>Frame Buffer Generic Functions</title>
-X!Idrivers/video/fbgen.c
-     </sect1>
-KAO -->
-     <sect1><title>Frame Buffer Video Mode Database</title>
-!Idrivers/video/fbdev/core/modedb.c
-!Edrivers/video/fbdev/core/modedb.c
-     </sect1>
-     <sect1><title>Frame Buffer Macintosh Video Mode Database</title>
-!Edrivers/video/fbdev/macmodes.c
-     </sect1>
-     <sect1><title>Frame Buffer Fonts</title>
-        <para>
-           Refer to the file lib/fonts/fonts.c for more information.
-        </para>
-<!-- FIXME: Removed for now since no structured comments in source
-X!Ilib/fonts/fonts.c
--->
-     </sect1>
-  </chapter>
-
-  <chapter id="input_subsystem">
-     <title>Input Subsystem</title>
-     <sect1><title>Input core</title>
-!Iinclude/linux/input.h
-!Edrivers/input/input.c
-!Edrivers/input/ff-core.c
-!Edrivers/input/ff-memless.c
-     </sect1>
-     <sect1><title>Multitouch Library</title>
-!Iinclude/linux/input/mt.h
-!Edrivers/input/input-mt.c
-     </sect1>
-     <sect1><title>Polled input devices</title>
-!Iinclude/linux/input-polldev.h
-!Edrivers/input/input-polldev.c
-     </sect1>
-     <sect1><title>Matrix keyboards/keypads</title>
-!Iinclude/linux/input/matrix_keypad.h
-     </sect1>
-     <sect1><title>Sparse keymap support</title>
-!Iinclude/linux/input/sparse-keymap.h
-!Edrivers/input/sparse-keymap.c
-     </sect1>
-  </chapter>
-
-  <chapter id="spi">
-      <title>Serial Peripheral Interface (SPI)</title>
-  <para>
-	SPI is the "Serial Peripheral Interface", widely used with
-	embedded systems because it is a simple and efficient
-	interface:  basically a multiplexed shift register.
-	Its three signal wires hold a clock (SCK, often in the range
-	of 1-20 MHz), a "Master Out, Slave In" (MOSI) data line, and
-	a "Master In, Slave Out" (MISO) data line.
-	SPI is a full duplex protocol; for each bit shifted out the
-	MOSI line (one per clock) another is shifted in on the MISO line.
-	Those bits are assembled into words of various sizes on the
-	way to and from system memory.
-	An additional chipselect line is usually active-low (nCS);
-	four signals are normally used for each peripheral, plus
-	sometimes an interrupt.
-  </para>
-  <para>
-	The SPI bus facilities listed here provide a generalized
-	interface to declare SPI busses and devices, manage them
-	according to the standard Linux driver model, and perform
-	input/output operations.
-	At this time, only "master" side interfaces are supported,
-	where Linux talks to SPI peripherals and does not implement
-	such a peripheral itself.
-	(Interfaces to support implementing SPI slaves would
-	necessarily look different.)
-  </para>
-  <para>
-	The programming interface is structured around two kinds of driver,
-	and two kinds of device.
-	A "Controller Driver" abstracts the controller hardware, which may
-	be as simple as a set of GPIO pins or as complex as a pair of FIFOs
-	connected to dual DMA engines on the other side of the SPI shift
-	register (maximizing throughput).  Such drivers bridge between
-	whatever bus they sit on (often the platform bus) and SPI, and
-	expose the SPI side of their device as a
-	<structname>struct spi_master</structname>.
-	SPI devices are children of that master, represented as a
-	<structname>struct spi_device</structname> and manufactured from
-	<structname>struct spi_board_info</structname> descriptors which
-	are usually provided by board-specific initialization code.
-	A <structname>struct spi_driver</structname> is called a
-	"Protocol Driver", and is bound to a spi_device using normal
-	driver model calls.
-  </para>
-  <para>
-	The I/O model is a set of queued messages.  Protocol drivers
-	submit one or more <structname>struct spi_message</structname>
-	objects, which are processed and completed asynchronously.
-	(There are synchronous wrappers, however.)  Messages are
-	built from one or more <structname>struct spi_transfer</structname>
-	objects, each of which wraps a full duplex SPI transfer.
-	A variety of protocol tweaking options are needed, because
-	different chips adopt very different policies for how they
-	use the bits transferred with SPI.
-  </para>
-!Iinclude/linux/spi/spi.h
-!Fdrivers/spi/spi.c spi_register_board_info
-!Edrivers/spi/spi.c
-  </chapter>
-
-  <chapter id="i2c">
-     <title>I<superscript>2</superscript>C and SMBus Subsystem</title>
-
-     <para>
-	I<superscript>2</superscript>C (or without fancy typography, "I2C")
-	is an acronym for the "Inter-IC" bus, a simple bus protocol which is
-	widely used where low data rate communications suffice.
-	Since it's also a licensed trademark, some vendors use another
-	name (such as "Two-Wire Interface", TWI) for the same bus.
-	I2C only needs two signals (SCL for clock, SDA for data), conserving
-	board real estate and minimizing signal quality issues.
-	Most I2C devices use seven bit addresses, and bus speeds of up
-	to 400 kHz; there's a high speed extension (3.4 MHz) that's not yet
-	found wide use.
-	I2C is a multi-master bus; open drain signaling is used to
-	arbitrate between masters, as well as to handshake and to
-	synchronize clocks from slower clients.
-     </para>
-
-     <para>
-	The Linux I2C programming interfaces support only the master
-	side of bus interactions, not the slave side.
-	The programming interface is structured around two kinds of driver,
-	and two kinds of device.
-	An I2C "Adapter Driver" abstracts the controller hardware; it binds
-	to a physical device (perhaps a PCI device or platform_device) and
-	exposes a <structname>struct i2c_adapter</structname> representing
-	each I2C bus segment it manages.
-	On each I2C bus segment will be I2C devices represented by a
-	<structname>struct i2c_client</structname>.  Those devices will
-	be bound to a <structname>struct i2c_driver</structname>,
-	which should follow the standard Linux driver model.
-	(At this writing, a legacy model is more widely used.)
-	There are functions to perform various I2C protocol operations; at
-	this writing all such functions are usable only from task context.
-     </para>
-
-     <para>
-	The System Management Bus (SMBus) is a sibling protocol.  Most SMBus
-	systems are also I2C conformant.  The electrical constraints are
-	tighter for SMBus, and it standardizes particular protocol messages
-	and idioms.  Controllers that support I2C can also support most
-	SMBus operations, but SMBus controllers don't support all the protocol
-	options that an I2C controller will.
-	There are functions to perform various SMBus protocol operations,
-	either using I2C primitives or by issuing SMBus commands to
-	i2c_adapter devices which don't support those I2C operations.
-     </para>
-
-!Iinclude/linux/i2c.h
-!Fdrivers/i2c/i2c-boardinfo.c i2c_register_board_info
-!Edrivers/i2c/i2c-core.c
-  </chapter>
-
-  <chapter id="hsi">
-     <title>High Speed Synchronous Serial Interface (HSI)</title>
-
-     <para>
-	High Speed Synchronous Serial Interface (HSI) is a
-	serial interface mainly used for connecting application
-	engines (APE) with cellular modem engines (CMT) in cellular
-	handsets.
-
-	HSI provides multiplexing for up to 16 logical channels,
-	low-latency and full duplex communication.
-     </para>
-
-!Iinclude/linux/hsi/hsi.h
-!Edrivers/hsi/hsi.c
-  </chapter>
-
-  <chapter id="pwm">
-    <title>Pulse-Width Modulation (PWM)</title>
-    <para>
-      Pulse-width modulation is a modulation technique primarily used to
-      control power supplied to electrical devices.
-    </para>
-    <para>
-      The PWM framework provides an abstraction for providers and consumers
-      of PWM signals. A controller that provides one or more PWM signals is
-      registered as <structname>struct pwm_chip</structname>. Providers are
-      expected to embed this structure in a driver-specific structure. This
-      structure contains fields that describe a particular chip.
-    </para>
-    <para>
-      A chip exposes one or more PWM signal sources, each of which exposed
-      as a <structname>struct pwm_device</structname>. Operations can be
-      performed on PWM devices to control the period, duty cycle, polarity
-      and active state of the signal.
-    </para>
-    <para>
-      Note that PWM devices are exclusive resources: they can always only be
-      used by one consumer at a time.
-    </para>
-!Iinclude/linux/pwm.h
-!Edrivers/pwm/core.c
-  </chapter>
-
-</book>

Documentation/DocBook/gpu.tmpl

@@ -1,3540 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
-	"http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" []>
-
-<book id="gpuDevelopersGuide">
-  <bookinfo>
-    <title>Linux GPU Driver Developer's Guide</title>
-
-    <authorgroup>
-      <author>
-	<firstname>Jesse</firstname>
-	<surname>Barnes</surname>
-	<contrib>Initial version</contrib>
-	<affiliation>
-	  <orgname>Intel Corporation</orgname>
-	  <address>
-	    <email>jesse.barnes@intel.com</email>
-	  </address>
-	</affiliation>
-      </author>
-      <author>
-	<firstname>Laurent</firstname>
-	<surname>Pinchart</surname>
-	<contrib>Driver internals</contrib>
-	<affiliation>
-	  <orgname>Ideas on board SPRL</orgname>
-	  <address>
-	    <email>laurent.pinchart@ideasonboard.com</email>
-	  </address>
-	</affiliation>
-      </author>
-      <author>
-	<firstname>Daniel</firstname>
-	<surname>Vetter</surname>
-	<contrib>Contributions all over the place</contrib>
-	<affiliation>
-	  <orgname>Intel Corporation</orgname>
-	  <address>
-	    <email>daniel.vetter@ffwll.ch</email>
-	  </address>
-	</affiliation>
-      </author>
-      <author>
-	<firstname>Lukas</firstname>
-	<surname>Wunner</surname>
-	<contrib>vga_switcheroo documentation</contrib>
-	<affiliation>
-	  <address>
-	    <email>lukas@wunner.de</email>
-	  </address>
-	</affiliation>
-      </author>
-    </authorgroup>
-
-    <copyright>
-      <year>2008-2009</year>
-      <year>2013-2014</year>
-      <holder>Intel Corporation</holder>
-    </copyright>
-    <copyright>
-      <year>2012</year>
-      <holder>Laurent Pinchart</holder>
-    </copyright>
-    <copyright>
-      <year>2015</year>
-      <holder>Lukas Wunner</holder>
-    </copyright>
-
-    <legalnotice>
-      <para>
-	The contents of this file may be used under the terms of the GNU
-	General Public License version 2 (the "GPL") as distributed in
-	the kernel source COPYING file.
-      </para>
-    </legalnotice>
-
-    <revhistory>
-      <!-- Put document revisions here, newest first. -->
-      <revision>
-	<revnumber>1.0</revnumber>
-	<date>2012-07-13</date>
-	<authorinitials>LP</authorinitials>
-	<revremark>Added extensive documentation about driver internals.
-	</revremark>
-      </revision>
-      <revision>
-	<revnumber>1.1</revnumber>
-	<date>2015-10-11</date>
-	<authorinitials>LW</authorinitials>
-	<revremark>Added vga_switcheroo documentation.
-	</revremark>
-      </revision>
-    </revhistory>
-  </bookinfo>
-
-<toc></toc>
-
-<part id="drmCore">
-  <title>DRM Core</title>
-  <partintro>
-    <para>
-      This first part of the GPU Driver Developer's Guide documents core DRM
-      code, helper libraries for writing drivers and generic userspace
-      interfaces exposed by DRM drivers.
-    </para>
-  </partintro>
-
-  <chapter id="drmIntroduction">
-    <title>Introduction</title>
-    <para>
-      The Linux DRM layer contains code intended to support the needs
-      of complex graphics devices, usually containing programmable
-      pipelines well suited to 3D graphics acceleration.  Graphics
-      drivers in the kernel may make use of DRM functions to make
-      tasks like memory management, interrupt handling and DMA easier,
-      and provide a uniform interface to applications.
-    </para>
-    <para>
-      A note on versions: this guide covers features found in the DRM
-      tree, including the TTM memory manager, output configuration and
-      mode setting, and the new vblank internals, in addition to all
-      the regular features found in current kernels.
-    </para>
-    <para>
-      [Insert diagram of typical DRM stack here]
-    </para>
-  <sect1>
-    <title>Style Guidelines</title>
-    <para>
-      For consistency this documentation uses American English. Abbreviations
-      are written as all-uppercase, for example: DRM, KMS, IOCTL, CRTC, and so
-      on. To aid in reading, documentations make full use of the markup
-      characters kerneldoc provides: @parameter for function parameters, @member
-      for structure members, &amp;structure to reference structures and
-      function() for functions. These all get automatically hyperlinked if
-      kerneldoc for the referenced objects exists. When referencing entries in
-      function vtables please use -&gt;vfunc(). Note that kerneldoc does
-      not support referencing struct members directly, so please add a reference
-      to the vtable struct somewhere in the same paragraph or at least section.
-    </para>
-    <para>
-      Except in special situations (to separate locked from unlocked variants)
-      locking requirements for functions aren't documented in the kerneldoc.
-      Instead locking should be check at runtime using e.g.
-      <code>WARN_ON(!mutex_is_locked(...));</code>. Since it's much easier to
-      ignore documentation than runtime noise this provides more value. And on
-      top of that runtime checks do need to be updated when the locking rules
-      change, increasing the chances that they're correct. Within the
-      documentation the locking rules should be explained in the relevant
-      structures: Either in the comment for the lock explaining what it
-      protects, or data fields need a note about which lock protects them, or
-      both.
-    </para>
-    <para>
-      Functions which have a non-<code>void</code> return value should have a
-      section called "Returns" explaining the expected return values in
-      different cases and their meanings. Currently there's no consensus whether
-      that section name should be all upper-case or not, and whether it should
-      end in a colon or not. Go with the file-local style. Other common section
-      names are "Notes" with information for dangerous or tricky corner cases,
-      and "FIXME" where the interface could be cleaned up.
-    </para>
-  </sect1>
-  </chapter>
-
-  <!-- Internals -->
-
-  <chapter id="drmInternals">
-    <title>DRM Internals</title>
-    <para>
-      This chapter documents DRM internals relevant to driver authors
-      and developers working to add support for the latest features to
-      existing drivers.
-    </para>
-    <para>
-      First, we go over some typical driver initialization
-      requirements, like setting up command buffers, creating an
-      initial output configuration, and initializing core services.
-      Subsequent sections cover core internals in more detail,
-      providing implementation notes and examples.
-    </para>
-    <para>
-      The DRM layer provides several services to graphics drivers,
-      many of them driven by the application interfaces it provides
-      through libdrm, the library that wraps most of the DRM ioctls.
-      These include vblank event handling, memory
-      management, output management, framebuffer management, command
-      submission &amp; fencing, suspend/resume support, and DMA
-      services.
-    </para>
-
-  <!-- Internals: driver init -->
-
-  <sect1>
-    <title>Driver Initialization</title>
-    <para>
-      At the core of every DRM driver is a <structname>drm_driver</structname>
-      structure. Drivers typically statically initialize a drm_driver structure,
-      and then pass it to <function>drm_dev_alloc()</function> to allocate a
-      device instance. After the device instance is fully initialized it can be
-      registered (which makes it accessible from userspace) using
-      <function>drm_dev_register()</function>.
-    </para>
-    <para>
-      The <structname>drm_driver</structname> structure contains static
-      information that describes the driver and features it supports, and
-      pointers to methods that the DRM core will call to implement the DRM API.
-      We will first go through the <structname>drm_driver</structname> static
-      information fields, and will then describe individual operations in
-      details as they get used in later sections.
-    </para>
-    <sect2>
-      <title>Driver Information</title>
-      <sect3>
-        <title>Driver Features</title>
-        <para>
-          Drivers inform the DRM core about their requirements and supported
-          features by setting appropriate flags in the
-          <structfield>driver_features</structfield> field. Since those flags
-          influence the DRM core behaviour since registration time, most of them
-          must be set to registering the <structname>drm_driver</structname>
-          instance.
-        </para>
-        <synopsis>u32 driver_features;</synopsis>
-        <variablelist>
-          <title>Driver Feature Flags</title>
-          <varlistentry>
-            <term>DRIVER_USE_AGP</term>
-            <listitem><para>
-              Driver uses AGP interface, the DRM core will manage AGP resources.
-            </para></listitem>
-          </varlistentry>
-          <varlistentry>
-            <term>DRIVER_REQUIRE_AGP</term>
-            <listitem><para>
-              Driver needs AGP interface to function. AGP initialization failure
-              will become a fatal error.
-            </para></listitem>
-          </varlistentry>
-          <varlistentry>
-            <term>DRIVER_PCI_DMA</term>
-            <listitem><para>
-              Driver is capable of PCI DMA, mapping of PCI DMA buffers to
-              userspace will be enabled. Deprecated.
-            </para></listitem>
-          </varlistentry>
-          <varlistentry>
-            <term>DRIVER_SG</term>
-            <listitem><para>
-              Driver can perform scatter/gather DMA, allocation and mapping of
-              scatter/gather buffers will be enabled. Deprecated.
-            </para></listitem>
-          </varlistentry>
-          <varlistentry>
-            <term>DRIVER_HAVE_DMA</term>
-            <listitem><para>
-              Driver supports DMA, the userspace DMA API will be supported.
-              Deprecated.
-            </para></listitem>
-          </varlistentry>
-          <varlistentry>
-            <term>DRIVER_HAVE_IRQ</term><term>DRIVER_IRQ_SHARED</term>
-            <listitem><para>
-              DRIVER_HAVE_IRQ indicates whether the driver has an IRQ handler
-              managed by the DRM Core. The core will support simple IRQ handler
-              installation when the flag is set. The installation process is
-              described in <xref linkend="drm-irq-registration"/>.</para>
-              <para>DRIVER_IRQ_SHARED indicates whether the device &amp; handler
-              support shared IRQs (note that this is required of PCI  drivers).
-            </para></listitem>
-          </varlistentry>
-          <varlistentry>
-            <term>DRIVER_GEM</term>
-            <listitem><para>
-              Driver use the GEM memory manager.
-            </para></listitem>
-          </varlistentry>
-          <varlistentry>
-            <term>DRIVER_MODESET</term>
-            <listitem><para>
-              Driver supports mode setting interfaces (KMS).
-            </para></listitem>
-          </varlistentry>
-          <varlistentry>
-            <term>DRIVER_PRIME</term>
-            <listitem><para>
-              Driver implements DRM PRIME buffer sharing.
-            </para></listitem>
-          </varlistentry>
-          <varlistentry>
-            <term>DRIVER_RENDER</term>
-            <listitem><para>
-              Driver supports dedicated render nodes.
-            </para></listitem>
-          </varlistentry>
-          <varlistentry>
-            <term>DRIVER_ATOMIC</term>
-            <listitem><para>
-              Driver supports atomic properties.  In this case the driver
-              must implement appropriate obj->atomic_get_property() vfuncs
-              for any modeset objects with driver specific properties.
-            </para></listitem>
-          </varlistentry>
-        </variablelist>
-      </sect3>
-      <sect3>
-        <title>Major, Minor and Patchlevel</title>
-        <synopsis>int major;
-int minor;
-int patchlevel;</synopsis>
-        <para>
-          The DRM core identifies driver versions by a major, minor and patch
-          level triplet. The information is printed to the kernel log at
-          initialization time and passed to userspace through the
-          DRM_IOCTL_VERSION ioctl.
-        </para>
-        <para>
-          The major and minor numbers are also used to verify the requested driver
-          API version passed to DRM_IOCTL_SET_VERSION. When the driver API changes
-          between minor versions, applications can call DRM_IOCTL_SET_VERSION to
-          select a specific version of the API. If the requested major isn't equal
-          to the driver major, or the requested minor is larger than the driver
-          minor, the DRM_IOCTL_SET_VERSION call will return an error. Otherwise
-          the driver's set_version() method will be called with the requested
-          version.
-        </para>
-      </sect3>
-      <sect3>
-        <title>Name, Description and Date</title>
-        <synopsis>char *name;
-char *desc;
-char *date;</synopsis>
-        <para>
-          The driver name is printed to the kernel log at initialization time,
-          used for IRQ registration and passed to userspace through
-          DRM_IOCTL_VERSION.
-        </para>
-        <para>
-          The driver description is a purely informative string passed to
-          userspace through the DRM_IOCTL_VERSION ioctl and otherwise unused by
-          the kernel.
-        </para>
-        <para>
-          The driver date, formatted as YYYYMMDD, is meant to identify the date of
-          the latest modification to the driver. However, as most drivers fail to
-          update it, its value is mostly useless. The DRM core prints it to the
-          kernel log at initialization time and passes it to userspace through the
-          DRM_IOCTL_VERSION ioctl.
-        </para>
-      </sect3>
-    </sect2>
-    <sect2>
-      <title>Device Instance and Driver Handling</title>
-!Pdrivers/gpu/drm/drm_drv.c driver instance overview
-!Edrivers/gpu/drm/drm_drv.c
-    </sect2>
-    <sect2>
-      <title>Driver Load</title>
-      <sect3 id="drm-irq-registration">
-        <title>IRQ Registration</title>
-        <para>
-          The DRM core tries to facilitate IRQ handler registration and
-          unregistration by providing <function>drm_irq_install</function> and
-          <function>drm_irq_uninstall</function> functions. Those functions only
-          support a single interrupt per device, devices that use more than one
-          IRQs need to be handled manually.
-        </para>
-        <sect4>
-          <title>Managed IRQ Registration</title>
-          <para>
-            <function>drm_irq_install</function> starts by calling the
-            <methodname>irq_preinstall</methodname> driver operation. The operation
-            is optional and must make sure that the interrupt will not get fired by
-            clearing all pending interrupt flags or disabling the interrupt.
-          </para>
-          <para>
-            The passed-in IRQ will then be requested by a call to
-            <function>request_irq</function>. If the DRIVER_IRQ_SHARED driver
-            feature flag is set, a shared (IRQF_SHARED) IRQ handler will be
-            requested.
-          </para>
-          <para>
-            The IRQ handler function must be provided as the mandatory irq_handler
-            driver operation. It will get passed directly to
-            <function>request_irq</function> and thus has the same prototype as all
-            IRQ handlers. It will get called with a pointer to the DRM device as the
-            second argument.
-          </para>
-          <para>
-            Finally the function calls the optional
-            <methodname>irq_postinstall</methodname> driver operation. The operation
-            usually enables interrupts (excluding the vblank interrupt, which is
-            enabled separately), but drivers may choose to enable/disable interrupts
-            at a different time.
-          </para>
-          <para>
-            <function>drm_irq_uninstall</function> is similarly used to uninstall an
-            IRQ handler. It starts by waking up all processes waiting on a vblank
-            interrupt to make sure they don't hang, and then calls the optional
-            <methodname>irq_uninstall</methodname> driver operation. The operation
-            must disable all hardware interrupts. Finally the function frees the IRQ
-            by calling <function>free_irq</function>.
-          </para>
-        </sect4>
-        <sect4>
-          <title>Manual IRQ Registration</title>
-          <para>
-            Drivers that require multiple interrupt handlers can't use the managed
-            IRQ registration functions. In that case IRQs must be registered and
-            unregistered manually (usually with the <function>request_irq</function>
-            and <function>free_irq</function> functions, or their devm_* equivalent).
-          </para>
-          <para>
-            When manually registering IRQs, drivers must not set the DRIVER_HAVE_IRQ
-            driver feature flag, and must not provide the
-	    <methodname>irq_handler</methodname> driver operation. They must set the
-	    <structname>drm_device</structname> <structfield>irq_enabled</structfield>
-	    field to 1 upon registration of the IRQs, and clear it to 0 after
-	    unregistering the IRQs.
-          </para>
-        </sect4>
-      </sect3>
-      <sect3>
-        <title>Memory Manager Initialization</title>
-        <para>
-          Every DRM driver requires a memory manager which must be initialized at
-          load time. DRM currently contains two memory managers, the Translation
-          Table Manager (TTM) and the Graphics Execution Manager (GEM).
-          This document describes the use of the GEM memory manager only. See
-          <xref linkend="drm-memory-management"/> for details.
-        </para>
-      </sect3>
-      <sect3>
-        <title>Miscellaneous Device Configuration</title>
-        <para>
-          Another task that may be necessary for PCI devices during configuration
-          is mapping the video BIOS. On many devices, the VBIOS describes device
-          configuration, LCD panel timings (if any), and contains flags indicating
-          device state. Mapping the BIOS can be done using the pci_map_rom() call,
-          a convenience function that takes care of mapping the actual ROM,
-          whether it has been shadowed into memory (typically at address 0xc0000)
-          or exists on the PCI device in the ROM BAR. Note that after the ROM has
-          been mapped and any necessary information has been extracted, it should
-          be unmapped; on many devices, the ROM address decoder is shared with
-          other BARs, so leaving it mapped could cause undesired behaviour like
-          hangs or memory corruption.
-  <!--!Fdrivers/pci/rom.c pci_map_rom-->
-        </para>
-      </sect3>
-    </sect2>
-    <sect2>
-      <title>Bus-specific Device Registration and PCI Support</title>
-      <para>
-        A number of functions are provided to help with device registration.
-	The functions deal with PCI and platform devices respectively and are
-	only provided for historical reasons. These are all deprecated and
-	shouldn't be used in new drivers. Besides that there's a few
-	helpers for pci drivers.
-      </para>
-!Edrivers/gpu/drm/drm_pci.c
-!Edrivers/gpu/drm/drm_platform.c
-    </sect2>
-  </sect1>
-
-  <!-- Internals: memory management -->
-
-  <sect1 id="drm-memory-management">
-    <title>Memory management</title>
-    <para>
-      Modern Linux systems require large amount of graphics memory to store
-      frame buffers, textures, vertices and other graphics-related data. Given
-      the very dynamic nature of many of that data, managing graphics memory
-      efficiently is thus crucial for the graphics stack and plays a central
-      role in the DRM infrastructure.
-    </para>
-    <para>
-      The DRM core includes two memory managers, namely Translation Table Maps
-      (TTM) and Graphics Execution Manager (GEM). TTM was the first DRM memory
-      manager to be developed and tried to be a one-size-fits-them all
-      solution. It provides a single userspace API to accommodate the need of
-      all hardware, supporting both Unified Memory Architecture (UMA) devices
-      and devices with dedicated video RAM (i.e. most discrete video cards).
-      This resulted in a large, complex piece of code that turned out to be
-      hard to use for driver development.
-    </para>
-    <para>
-      GEM started as an Intel-sponsored project in reaction to TTM's
-      complexity. Its design philosophy is completely different: instead of
-      providing a solution to every graphics memory-related problems, GEM
-      identified common code between drivers and created a support library to
-      share it. GEM has simpler initialization and execution requirements than
-      TTM, but has no video RAM management capabilities and is thus limited to
-      UMA devices.
-    </para>
-    <sect2>
-      <title>The Translation Table Manager (TTM)</title>
-      <para>
-        TTM design background and information belongs here.
-      </para>
-      <sect3>
-        <title>TTM initialization</title>
-        <warning><para>This section is outdated.</para></warning>
-        <para>
-          Drivers wishing to support TTM must fill out a drm_bo_driver
-          structure. The structure contains several fields with function
-          pointers for initializing the TTM, allocating and freeing memory,
-          waiting for command completion and fence synchronization, and memory
-          migration. See the radeon_ttm.c file for an example of usage.
-        </para>
-        <para>
-          The ttm_global_reference structure is made up of several fields:
-        </para>
-        <programlisting>
-          struct ttm_global_reference {
-                  enum ttm_global_types global_type;
-                  size_t size;
-                  void *object;
-                  int (*init) (struct ttm_global_reference *);
-                  void (*release) (struct ttm_global_reference *);
-          };
-        </programlisting>
-        <para>
-          There should be one global reference structure for your memory
-          manager as a whole, and there will be others for each object
-          created by the memory manager at runtime.  Your global TTM should
-          have a type of TTM_GLOBAL_TTM_MEM.  The size field for the global
-          object should be sizeof(struct ttm_mem_global), and the init and
-          release hooks should point at your driver-specific init and
-          release routines, which probably eventually call
-          ttm_mem_global_init and ttm_mem_global_release, respectively.
-        </para>
-        <para>
-          Once your global TTM accounting structure is set up and initialized
-          by calling ttm_global_item_ref() on it,
-          you need to create a buffer object TTM to
-          provide a pool for buffer object allocation by clients and the
-          kernel itself.  The type of this object should be TTM_GLOBAL_TTM_BO,
-          and its size should be sizeof(struct ttm_bo_global).  Again,
-          driver-specific init and release functions may be provided,
-          likely eventually calling ttm_bo_global_init() and
-          ttm_bo_global_release(), respectively.  Also, like the previous
-          object, ttm_global_item_ref() is used to create an initial reference
-          count for the TTM, which will call your initialization function.
-        </para>
-      </sect3>
-    </sect2>
-    <sect2 id="drm-gem">
-      <title>The Graphics Execution Manager (GEM)</title>
-      <para>
-        The GEM design approach has resulted in a memory manager that doesn't
-        provide full coverage of all (or even all common) use cases in its
-        userspace or kernel API. GEM exposes a set of standard memory-related
-        operations to userspace and a set of helper functions to drivers, and let
-        drivers implement hardware-specific operations with their own private API.
-      </para>
-      <para>
-        The GEM userspace API is described in the
-        <ulink url="http://lwn.net/Articles/283798/"><citetitle>GEM - the Graphics
-        Execution Manager</citetitle></ulink> article on LWN. While slightly
-        outdated, the document provides a good overview of the GEM API principles.
-        Buffer allocation and read and write operations, described as part of the
-        common GEM API, are currently implemented using driver-specific ioctls.
-      </para>
-      <para>
-        GEM is data-agnostic. It manages abstract buffer objects without knowing
-        what individual buffers contain. APIs that require knowledge of buffer
-        contents or purpose, such as buffer allocation or synchronization
-        primitives, are thus outside of the scope of GEM and must be implemented
-        using driver-specific ioctls.
-      </para>
-      <para>
-        On a fundamental level, GEM involves several operations:
-        <itemizedlist>
-          <listitem>Memory allocation and freeing</listitem>
-          <listitem>Command execution</listitem>
-          <listitem>Aperture management at command execution time</listitem>
-        </itemizedlist>
-        Buffer object allocation is relatively straightforward and largely
-        provided by Linux's shmem layer, which provides memory to back each
-        object.
-      </para>
-      <para>
-        Device-specific operations, such as command execution, pinning, buffer
-        read &amp; write, mapping, and domain ownership transfers are left to
-        driver-specific ioctls.
-      </para>
-      <sect3>
-        <title>GEM Initialization</title>
-        <para>
-          Drivers that use GEM must set the DRIVER_GEM bit in the struct
-          <structname>drm_driver</structname>
-          <structfield>driver_features</structfield> field. The DRM core will
-          then automatically initialize the GEM core before calling the
-          <methodname>load</methodname> operation. Behind the scene, this will
-          create a DRM Memory Manager object which provides an address space
-          pool for object allocation.
-        </para>
-        <para>
-          In a KMS configuration, drivers need to allocate and initialize a
-          command ring buffer following core GEM initialization if required by
-          the hardware. UMA devices usually have what is called a "stolen"
-          memory region, which provides space for the initial framebuffer and
-          large, contiguous memory regions required by the device. This space is
-          typically not managed by GEM, and must be initialized separately into
-          its own DRM MM object.
-        </para>
-      </sect3>
-      <sect3>
-        <title>GEM Objects Creation</title>
-        <para>
-          GEM splits creation of GEM objects and allocation of the memory that
-          backs them in two distinct operations.
-        </para>
-        <para>
-          GEM objects are represented by an instance of struct
-          <structname>drm_gem_object</structname>. Drivers usually need to extend
-          GEM objects with private information and thus create a driver-specific
-          GEM object structure type that embeds an instance of struct
-          <structname>drm_gem_object</structname>.
-        </para>
-        <para>
-          To create a GEM object, a driver allocates memory for an instance of its
-          specific GEM object type and initializes the embedded struct
-          <structname>drm_gem_object</structname> with a call to
-          <function>drm_gem_object_init</function>. The function takes a pointer to
-          the DRM device, a pointer to the GEM object and the buffer object size
-          in bytes.
-        </para>
-        <para>
-          GEM uses shmem to allocate anonymous pageable memory.
-          <function>drm_gem_object_init</function> will create an shmfs file of
-          the requested size and store it into the struct
-          <structname>drm_gem_object</structname> <structfield>filp</structfield>
-          field. The memory is used as either main storage for the object when the
-          graphics hardware uses system memory directly or as a backing store
-          otherwise.
-        </para>
-        <para>
-          Drivers are responsible for the actual physical pages allocation by
-          calling <function>shmem_read_mapping_page_gfp</function> for each page.
-          Note that they can decide to allocate pages when initializing the GEM
-          object, or to delay allocation until the memory is needed (for instance
-          when a page fault occurs as a result of a userspace memory access or
-          when the driver needs to start a DMA transfer involving the memory).
-        </para>
-        <para>
-          Anonymous pageable memory allocation is not always desired, for instance
-          when the hardware requires physically contiguous system memory as is
-          often the case in embedded devices. Drivers can create GEM objects with
-          no shmfs backing (called private GEM objects) by initializing them with
-          a call to <function>drm_gem_private_object_init</function> instead of
-          <function>drm_gem_object_init</function>. Storage for private GEM
-          objects must be managed by drivers.
-        </para>
-      </sect3>
-      <sect3>
-        <title>GEM Objects Lifetime</title>
-        <para>
-          All GEM objects are reference-counted by the GEM core. References can be
-          acquired and release by <function>calling drm_gem_object_reference</function>
-          and <function>drm_gem_object_unreference</function> respectively. The
-          caller must hold the <structname>drm_device</structname>
-	  <structfield>struct_mutex</structfield> lock when calling
-	  <function>drm_gem_object_reference</function>. As a convenience, GEM
-	  provides <function>drm_gem_object_unreference_unlocked</function>
-	  functions that can be called without holding the lock.
-        </para>
-        <para>
-          When the last reference to a GEM object is released the GEM core calls
-          the <structname>drm_driver</structname>
-          <methodname>gem_free_object</methodname> operation. That operation is
-          mandatory for GEM-enabled drivers and must free the GEM object and all
-          associated resources.
-        </para>
-        <para>
-          <synopsis>void (*gem_free_object) (struct drm_gem_object *obj);</synopsis>
-          Drivers are responsible for freeing all GEM object resources. This includes
-          the resources created by the GEM core, which need to be released with
-          <function>drm_gem_object_release</function>.
-        </para>
-      </sect3>
-      <sect3>
-        <title>GEM Objects Naming</title>
-        <para>
-          Communication between userspace and the kernel refers to GEM objects
-          using local handles, global names or, more recently, file descriptors.
-          All of those are 32-bit integer values; the usual Linux kernel limits
-          apply to the file descriptors.
-        </para>
-        <para>
-          GEM handles are local to a DRM file. Applications get a handle to a GEM
-          object through a driver-specific ioctl, and can use that handle to refer
-          to the GEM object in other standard or driver-specific ioctls. Closing a
-          DRM file handle frees all its GEM handles and dereferences the
-          associated GEM objects.
-        </para>
-        <para>
-          To create a handle for a GEM object drivers call
-          <function>drm_gem_handle_create</function>. The function takes a pointer
-          to the DRM file and the GEM object and returns a locally unique handle.
-          When the handle is no longer needed drivers delete it with a call to
-          <function>drm_gem_handle_delete</function>. Finally the GEM object
-          associated with a handle can be retrieved by a call to
-          <function>drm_gem_object_lookup</function>.
-        </para>
-        <para>
-          Handles don't take ownership of GEM objects, they only take a reference
-          to the object that will be dropped when the handle is destroyed. To
-          avoid leaking GEM objects, drivers must make sure they drop the
-          reference(s) they own (such as the initial reference taken at object
-          creation time) as appropriate, without any special consideration for the
-          handle. For example, in the particular case of combined GEM object and
-          handle creation in the implementation of the
-          <methodname>dumb_create</methodname> operation, drivers must drop the
-          initial reference to the GEM object before returning the handle.
-        </para>
-        <para>
-          GEM names are similar in purpose to handles but are not local to DRM
-          files. They can be passed between processes to reference a GEM object
-          globally. Names can't be used directly to refer to objects in the DRM
-          API, applications must convert handles to names and names to handles
-          using the DRM_IOCTL_GEM_FLINK and DRM_IOCTL_GEM_OPEN ioctls
-          respectively. The conversion is handled by the DRM core without any
-          driver-specific support.
-        </para>
-        <para>
-          GEM also supports buffer sharing with dma-buf file descriptors through
-          PRIME. GEM-based drivers must use the provided helpers functions to
-          implement the exporting and importing correctly. See <xref linkend="drm-prime-support" />.
-          Since sharing file descriptors is inherently more secure than the
-          easily guessable and global GEM names it is the preferred buffer
-          sharing mechanism. Sharing buffers through GEM names is only supported
-          for legacy userspace. Furthermore PRIME also allows cross-device
-          buffer sharing since it is based on dma-bufs.
-        </para>
-      </sect3>
-      <sect3 id="drm-gem-objects-mapping">
-        <title>GEM Objects Mapping</title>
-        <para>
-          Because mapping operations are fairly heavyweight GEM favours
-          read/write-like access to buffers, implemented through driver-specific
-          ioctls, over mapping buffers to userspace. However, when random access
-          to the buffer is needed (to perform software rendering for instance),
-          direct access to the object can be more efficient.
-        </para>
-        <para>
-          The mmap system call can't be used directly to map GEM objects, as they
-          don't have their own file handle. Two alternative methods currently
-          co-exist to map GEM objects to userspace. The first method uses a
-          driver-specific ioctl to perform the mapping operation, calling
-          <function>do_mmap</function> under the hood. This is often considered
-          dubious, seems to be discouraged for new GEM-enabled drivers, and will
-          thus not be described here.
-        </para>
-        <para>
-          The second method uses the mmap system call on the DRM file handle.
-          <synopsis>void *mmap(void *addr, size_t length, int prot, int flags, int fd,
-             off_t offset);</synopsis>
-          DRM identifies the GEM object to be mapped by a fake offset passed
-          through the mmap offset argument. Prior to being mapped, a GEM object
-          must thus be associated with a fake offset. To do so, drivers must call
-          <function>drm_gem_create_mmap_offset</function> on the object.
-        </para>
-        <para>
-          Once allocated, the fake offset value
-          must be passed to the application in a driver-specific way and can then
-          be used as the mmap offset argument.
-        </para>
-        <para>
-          The GEM core provides a helper method <function>drm_gem_mmap</function>
-          to handle object mapping. The method can be set directly as the mmap
-          file operation handler. It will look up the GEM object based on the
-          offset value and set the VMA operations to the
-          <structname>drm_driver</structname> <structfield>gem_vm_ops</structfield>
-          field. Note that <function>drm_gem_mmap</function> doesn't map memory to
-          userspace, but relies on the driver-provided fault handler to map pages
-          individually.
-        </para>
-        <para>
-          To use <function>drm_gem_mmap</function>, drivers must fill the struct
-          <structname>drm_driver</structname> <structfield>gem_vm_ops</structfield>
-          field with a pointer to VM operations.
-        </para>
-        <para>
-          <synopsis>struct vm_operations_struct *gem_vm_ops
-
-  struct vm_operations_struct {
-          void (*open)(struct vm_area_struct * area);
-          void (*close)(struct vm_area_struct * area);
-          int (*fault)(struct vm_area_struct *vma, struct vm_fault *vmf);
-  };</synopsis>
-        </para>
-        <para>
-          The <methodname>open</methodname> and <methodname>close</methodname>
-          operations must update the GEM object reference count. Drivers can use
-          the <function>drm_gem_vm_open</function> and
-          <function>drm_gem_vm_close</function> helper functions directly as open
-          and close handlers.
-        </para>
-        <para>
-          The fault operation handler is responsible for mapping individual pages
-          to userspace when a page fault occurs. Depending on the memory
-          allocation scheme, drivers can allocate pages at fault time, or can
-          decide to allocate memory for the GEM object at the time the object is
-          created.
-        </para>
-        <para>
-          Drivers that want to map the GEM object upfront instead of handling page
-          faults can implement their own mmap file operation handler.
-        </para>
-      </sect3>
-      <sect3>
-        <title>Memory Coherency</title>
-        <para>
-          When mapped to the device or used in a command buffer, backing pages
-          for an object are flushed to memory and marked write combined so as to
-          be coherent with the GPU. Likewise, if the CPU accesses an object
-          after the GPU has finished rendering to the object, then the object
-          must be made coherent with the CPU's view of memory, usually involving
-          GPU cache flushing of various kinds. This core CPU&lt;-&gt;GPU
-          coherency management is provided by a device-specific ioctl, which
-          evaluates an object's current domain and performs any necessary
-          flushing or synchronization to put the object into the desired
-          coherency domain (note that the object may be busy, i.e. an active
-          render target; in that case, setting the domain blocks the client and
-          waits for rendering to complete before performing any necessary
-          flushing operations).
-        </para>
-      </sect3>
-      <sect3>
-        <title>Command Execution</title>
-        <para>
-          Perhaps the most important GEM function for GPU devices is providing a
-          command execution interface to clients. Client programs construct
-          command buffers containing references to previously allocated memory
-          objects, and then submit them to GEM. At that point, GEM takes care to
-          bind all the objects into the GTT, execute the buffer, and provide
-          necessary synchronization between clients accessing the same buffers.
-          This often involves evicting some objects from the GTT and re-binding
-          others (a fairly expensive operation), and providing relocation
-          support which hides fixed GTT offsets from clients. Clients must take
-          care not to submit command buffers that reference more objects than
-          can fit in the GTT; otherwise, GEM will reject them and no rendering
-          will occur. Similarly, if several objects in the buffer require fence
-          registers to be allocated for correct rendering (e.g. 2D blits on
-          pre-965 chips), care must be taken not to require more fence registers
-          than are available to the client. Such resource management should be
-          abstracted from the client in libdrm.
-        </para>
-      </sect3>
-    </sect2>
-    <sect2>
-      <title>GEM Function Reference</title>
-!Edrivers/gpu/drm/drm_gem.c
-!Iinclude/drm/drm_gem.h
-    </sect2>
-    <sect2>
-      <title>VMA Offset Manager</title>
-!Pdrivers/gpu/drm/drm_vma_manager.c vma offset manager
-!Edrivers/gpu/drm/drm_vma_manager.c
-!Iinclude/drm/drm_vma_manager.h
-    </sect2>
-    <sect2 id="drm-prime-support">
-      <title>PRIME Buffer Sharing</title>
-      <para>
-        PRIME is the cross device buffer sharing framework in drm, originally
-        created for the OPTIMUS range of multi-gpu platforms. To userspace
-        PRIME buffers are dma-buf based file descriptors.
-      </para>
-      <sect3>
-        <title>Overview and Driver Interface</title>
-        <para>
-          Similar to GEM global names, PRIME file descriptors are
-          also used to share buffer objects across processes. They offer
-          additional security: as file descriptors must be explicitly sent over
-          UNIX domain sockets to be shared between applications, they can't be
-          guessed like the globally unique GEM names.
-        </para>
-        <para>
-          Drivers that support the PRIME
-          API must set the DRIVER_PRIME bit in the struct
-          <structname>drm_driver</structname>
-          <structfield>driver_features</structfield> field, and implement the
-          <methodname>prime_handle_to_fd</methodname> and
-          <methodname>prime_fd_to_handle</methodname> operations.
-        </para>
-        <para>
-          <synopsis>int (*prime_handle_to_fd)(struct drm_device *dev,
-                          struct drm_file *file_priv, uint32_t handle,
-                          uint32_t flags, int *prime_fd);
-int (*prime_fd_to_handle)(struct drm_device *dev,
-                          struct drm_file *file_priv, int prime_fd,
-                          uint32_t *handle);</synopsis>
-            Those two operations convert a handle to a PRIME file descriptor and
-            vice versa. Drivers must use the kernel dma-buf buffer sharing framework
-            to manage the PRIME file descriptors. Similar to the mode setting
-            API PRIME is agnostic to the underlying buffer object manager, as
-            long as handles are 32bit unsigned integers.
-          </para>
-          <para>
-            While non-GEM drivers must implement the operations themselves, GEM
-            drivers must use the <function>drm_gem_prime_handle_to_fd</function>
-            and <function>drm_gem_prime_fd_to_handle</function> helper functions.
-            Those helpers rely on the driver
-            <methodname>gem_prime_export</methodname> and
-            <methodname>gem_prime_import</methodname> operations to create a dma-buf
-            instance from a GEM object (dma-buf exporter role) and to create a GEM
-            object from a dma-buf instance (dma-buf importer role).
-          </para>
-          <para>
-            <synopsis>struct dma_buf * (*gem_prime_export)(struct drm_device *dev,
-                             struct drm_gem_object *obj,
-                             int flags);
-struct drm_gem_object * (*gem_prime_import)(struct drm_device *dev,
-                                            struct dma_buf *dma_buf);</synopsis>
-            These two operations are mandatory for GEM drivers that support
-            PRIME.
-          </para>
-        </sect3>
-      <sect3>
-        <title>PRIME Helper Functions</title>
-!Pdrivers/gpu/drm/drm_prime.c PRIME Helpers
-      </sect3>
-    </sect2>
-    <sect2>
-      <title>PRIME Function References</title>
-!Edrivers/gpu/drm/drm_prime.c
-    </sect2>
-    <sect2>
-      <title>DRM MM Range Allocator</title>
-      <sect3>
-        <title>Overview</title>
-!Pdrivers/gpu/drm/drm_mm.c Overview
-      </sect3>
-      <sect3>
-        <title>LRU Scan/Eviction Support</title>
-!Pdrivers/gpu/drm/drm_mm.c lru scan roaster
-      </sect3>
-      </sect2>
-    <sect2>
-      <title>DRM MM Range Allocator Function References</title>
-!Edrivers/gpu/drm/drm_mm.c
-!Iinclude/drm/drm_mm.h
-    </sect2>
-    <sect2>
-      <title>CMA Helper Functions Reference</title>
-!Pdrivers/gpu/drm/drm_gem_cma_helper.c cma helpers
-!Edrivers/gpu/drm/drm_gem_cma_helper.c
-!Iinclude/drm/drm_gem_cma_helper.h
-    </sect2>
-  </sect1>
-
-  <!-- Internals: mode setting -->
-
-  <sect1 id="drm-mode-setting">
-    <title>Mode Setting</title>
-    <para>
-      Drivers must initialize the mode setting core by calling
-      <function>drm_mode_config_init</function> on the DRM device. The function
-      initializes the <structname>drm_device</structname>
-      <structfield>mode_config</structfield> field and never fails. Once done,
-      mode configuration must be setup by initializing the following fields.
-    </para>
-    <itemizedlist>
-      <listitem>
-        <synopsis>int min_width, min_height;
-int max_width, max_height;</synopsis>
-        <para>
-	  Minimum and maximum width and height of the frame buffers in pixel
-	  units.
-	</para>
-      </listitem>
-      <listitem>
-        <synopsis>struct drm_mode_config_funcs *funcs;</synopsis>
-	<para>Mode setting functions.</para>
-      </listitem>
-    </itemizedlist>
-    <sect2>
-      <title>Display Modes Function Reference</title>
-!Iinclude/drm/drm_modes.h
-!Edrivers/gpu/drm/drm_modes.c
-    </sect2>
-    <sect2>
-      <title>Atomic Mode Setting Function Reference</title>
-!Edrivers/gpu/drm/drm_atomic.c
-!Idrivers/gpu/drm/drm_atomic.c
-    </sect2>
-    <sect2>
-      <title>Frame Buffer Abstraction</title>
-      <para>
-        Frame buffers are abstract memory objects that provide a source of
-        pixels to scanout to a CRTC. Applications explicitly request the
-        creation of frame buffers through the DRM_IOCTL_MODE_ADDFB(2) ioctls and
-        receive an opaque handle that can be passed to the KMS CRTC control,
-        plane configuration and page flip functions.
-      </para>
-      <para>
-        Frame buffers rely on the underneath memory manager for low-level memory
-        operations. When creating a frame buffer applications pass a memory
-        handle (or a list of memory handles for multi-planar formats) through
-	the <parameter>drm_mode_fb_cmd2</parameter> argument. For drivers using
-	GEM as their userspace buffer management interface this would be a GEM
-	handle.  Drivers are however free to use their own backing storage object
-	handles, e.g. vmwgfx directly exposes special TTM handles to userspace
-	and so expects TTM handles in the create ioctl and not GEM handles.
-      </para>
-      <para>
-	The lifetime of a drm framebuffer is controlled with a reference count,
-	drivers can grab additional references with
-	<function>drm_framebuffer_reference</function>and drop them
-	again with <function>drm_framebuffer_unreference</function>. For
-	driver-private framebuffers for which the last reference is never
-	dropped (e.g. for the fbdev framebuffer when the struct
-	<structname>drm_framebuffer</structname> is embedded into the fbdev
-	helper struct) drivers can manually clean up a framebuffer at module
-	unload time with
-	<function>drm_framebuffer_unregister_private</function>.
-      </para>
-    </sect2>
-    <sect2>
-      <title>Dumb Buffer Objects</title>
-      <para>
-	The KMS API doesn't standardize backing storage object creation and
-	leaves it to driver-specific ioctls. Furthermore actually creating a
-	buffer object even for GEM-based drivers is done through a
-	driver-specific ioctl - GEM only has a common userspace interface for
-	sharing and destroying objects. While not an issue for full-fledged
-	graphics stacks that include device-specific userspace components (in
-	libdrm for instance), this limit makes DRM-based early boot graphics
-	unnecessarily complex.
-      </para>
-      <para>
-        Dumb objects partly alleviate the problem by providing a standard
-        API to create dumb buffers suitable for scanout, which can then be used
-        to create KMS frame buffers.
-      </para>
-      <para>
-        To support dumb objects drivers must implement the
-        <methodname>dumb_create</methodname>,
-        <methodname>dumb_destroy</methodname> and
-        <methodname>dumb_map_offset</methodname> operations.
-      </para>
-      <itemizedlist>
-        <listitem>
-          <synopsis>int (*dumb_create)(struct drm_file *file_priv, struct drm_device *dev,
-                   struct drm_mode_create_dumb *args);</synopsis>
-          <para>
-            The <methodname>dumb_create</methodname> operation creates a driver
-	    object (GEM or TTM handle) suitable for scanout based on the
-	    width, height and depth from the struct
-	    <structname>drm_mode_create_dumb</structname> argument. It fills the
-	    argument's <structfield>handle</structfield>,
-	    <structfield>pitch</structfield> and <structfield>size</structfield>
-	    fields with a handle for the newly created object and its line
-            pitch and size in bytes.
-          </para>
-        </listitem>
-        <listitem>
-          <synopsis>int (*dumb_destroy)(struct drm_file *file_priv, struct drm_device *dev,
-                    uint32_t handle);</synopsis>
-          <para>
-            The <methodname>dumb_destroy</methodname> operation destroys a dumb
-            object created by <methodname>dumb_create</methodname>.
-          </para>
-        </listitem>
-        <listitem>
-          <synopsis>int (*dumb_map_offset)(struct drm_file *file_priv, struct drm_device *dev,
-                       uint32_t handle, uint64_t *offset);</synopsis>
-          <para>
-            The <methodname>dumb_map_offset</methodname> operation associates an
-            mmap fake offset with the object given by the handle and returns
-            it. Drivers must use the
-            <function>drm_gem_create_mmap_offset</function> function to
-            associate the fake offset as described in
-            <xref linkend="drm-gem-objects-mapping"/>.
-          </para>
-        </listitem>
-      </itemizedlist>
-      <para>
-        Note that dumb objects may not be used for gpu acceleration, as has been
-	attempted on some ARM embedded platforms. Such drivers really must have
-	a hardware-specific ioctl to allocate suitable buffer objects.
-      </para>
-    </sect2>
-    <sect2>
-      <title>Output Polling</title>
-      <synopsis>void (*output_poll_changed)(struct drm_device *dev);</synopsis>
-      <para>
-        This operation notifies the driver that the status of one or more
-        connectors has changed. Drivers that use the fb helper can just call the
-        <function>drm_fb_helper_hotplug_event</function> function to handle this
-        operation.
-      </para>
-    </sect2>
-    <sect2>
-      <title>Locking</title>
-      <para>
-        Beside some lookup structures with their own locking (which is hidden
-	behind the interface functions) most of the modeset state is protected
-	by the <code>dev-&lt;mode_config.lock</code> mutex and additionally
-	per-crtc locks to allow cursor updates, pageflips and similar operations
-	to occur concurrently with background tasks like output detection.
-	Operations which cross domains like a full modeset always grab all
-	locks. Drivers there need to protect resources shared between crtcs with
-	additional locking. They also need to be careful to always grab the
-	relevant crtc locks if a modset functions touches crtc state, e.g. for
-	load detection (which does only grab the <code>mode_config.lock</code>
-	to allow concurrent screen updates on live crtcs).
-      </para>
-    </sect2>
-  </sect1>
-
-  <!-- Internals: kms initialization and cleanup -->
-
-  <sect1 id="drm-kms-init">
-    <title>KMS Initialization and Cleanup</title>
-    <para>
-      A KMS device is abstracted and exposed as a set of planes, CRTCs, encoders
-      and connectors. KMS drivers must thus create and initialize all those
-      objects at load time after initializing mode setting.
-    </para>
-    <sect2>
-      <title>CRTCs (struct <structname>drm_crtc</structname>)</title>
-      <para>
-        A CRTC is an abstraction representing a part of the chip that contains a
-	pointer to a scanout buffer. Therefore, the number of CRTCs available
-	determines how many independent scanout buffers can be active at any
-	given time. The CRTC structure contains several fields to support this:
-	a pointer to some video memory (abstracted as a frame buffer object), a
-	display mode, and an (x, y) offset into the video memory to support
-	panning or configurations where one piece of video memory spans multiple
-	CRTCs.
-      </para>
-      <sect3>
-        <title>CRTC Initialization</title>
-        <para>
-          A KMS device must create and register at least one struct
-          <structname>drm_crtc</structname> instance. The instance is allocated
-          and zeroed by the driver, possibly as part of a larger structure, and
-          registered with a call to <function>drm_crtc_init</function> with a
-          pointer to CRTC functions.
-        </para>
-      </sect3>
-    </sect2>
-    <sect2>
-      <title>Planes (struct <structname>drm_plane</structname>)</title>
-      <para>
-        A plane represents an image source that can be blended with or overlayed
-	on top of a CRTC during the scanout process. Planes are associated with
-	a frame buffer to crop a portion of the image memory (source) and
-	optionally scale it to a destination size. The result is then blended
-	with or overlayed on top of a CRTC.
-      </para>
-      <para>
-      The DRM core recognizes three types of planes:
-      <itemizedlist>
-        <listitem>
-        DRM_PLANE_TYPE_PRIMARY represents a "main" plane for a CRTC.  Primary
-        planes are the planes operated upon by CRTC modesetting and flipping
-	operations described in the page_flip hook in <structname>drm_crtc_funcs</structname>.
-        </listitem>
-        <listitem>
-        DRM_PLANE_TYPE_CURSOR represents a "cursor" plane for a CRTC.  Cursor
-        planes are the planes operated upon by the DRM_IOCTL_MODE_CURSOR and
-        DRM_IOCTL_MODE_CURSOR2 ioctls.
-        </listitem>
-        <listitem>
-        DRM_PLANE_TYPE_OVERLAY represents all non-primary, non-cursor planes.
-        Some drivers refer to these types of planes as "sprites" internally.
-        </listitem>
-      </itemizedlist>
-      For compatibility with legacy userspace, only overlay planes are made
-      available to userspace by default.  Userspace clients may set the
-      DRM_CLIENT_CAP_UNIVERSAL_PLANES client capability bit to indicate that
-      they wish to receive a universal plane list containing all plane types.
-      </para>
-      <sect3>
-        <title>Plane Initialization</title>
-        <para>
-          To create a plane, a KMS drivers allocates and
-          zeroes an instances of struct <structname>drm_plane</structname>
-          (possibly as part of a larger structure) and registers it with a call
-          to <function>drm_universal_plane_init</function>. The function takes a bitmask
-          of the CRTCs that can be associated with the plane, a pointer to the
-          plane functions, a list of format supported formats, and the type of
-          plane (primary, cursor, or overlay) being initialized.
-        </para>
-        <para>
-          Cursor and overlay planes are optional.  All drivers should provide
-          one primary plane per CRTC (although this requirement may change in
-          the future); drivers that do not wish to provide special handling for
-          primary planes may make use of the helper functions described in
-          <xref linkend="drm-kms-planehelpers"/> to create and register a
-          primary plane with standard capabilities.
-        </para>
-      </sect3>
-    </sect2>
-    <sect2>
-      <title>Encoders (struct <structname>drm_encoder</structname>)</title>
-      <para>
-        An encoder takes pixel data from a CRTC and converts it to a format
-	suitable for any attached connectors. On some devices, it may be
-	possible to have a CRTC send data to more than one encoder. In that
-	case, both encoders would receive data from the same scanout buffer,
-	resulting in a "cloned" display configuration across the connectors
-	attached to each encoder.
-      </para>
-      <sect3>
-        <title>Encoder Initialization</title>
-        <para>
-          As for CRTCs, a KMS driver must create, initialize and register at
-          least one struct <structname>drm_encoder</structname> instance. The
-          instance is allocated and zeroed by the driver, possibly as part of a
-          larger structure.
-        </para>
-        <para>
-          Drivers must initialize the struct <structname>drm_encoder</structname>
-          <structfield>possible_crtcs</structfield> and
-          <structfield>possible_clones</structfield> fields before registering the
-          encoder. Both fields are bitmasks of respectively the CRTCs that the
-          encoder can be connected to, and sibling encoders candidate for cloning.
-        </para>
-        <para>
-          After being initialized, the encoder must be registered with a call to
-          <function>drm_encoder_init</function>. The function takes a pointer to
-          the encoder functions and an encoder type. Supported types are
-          <itemizedlist>
-            <listitem>
-              DRM_MODE_ENCODER_DAC for VGA and analog on DVI-I/DVI-A
-              </listitem>
-            <listitem>
-              DRM_MODE_ENCODER_TMDS for DVI, HDMI and (embedded) DisplayPort
-            </listitem>
-            <listitem>
-              DRM_MODE_ENCODER_LVDS for display panels
-            </listitem>
-            <listitem>
-              DRM_MODE_ENCODER_TVDAC for TV output (Composite, S-Video, Component,
-              SCART)
-            </listitem>
-            <listitem>
-              DRM_MODE_ENCODER_VIRTUAL for virtual machine displays
-            </listitem>
-          </itemizedlist>
-        </para>
-        <para>
-          Encoders must be attached to a CRTC to be used. DRM drivers leave
-          encoders unattached at initialization time. Applications (or the fbdev
-          compatibility layer when implemented) are responsible for attaching the
-          encoders they want to use to a CRTC.
-        </para>
-      </sect3>
-    </sect2>
-    <sect2>
-      <title>Connectors (struct <structname>drm_connector</structname>)</title>
-      <para>
-        A connector is the final destination for pixel data on a device, and
-	usually connects directly to an external display device like a monitor
-	or laptop panel. A connector can only be attached to one encoder at a
-	time. The connector is also the structure where information about the
-	attached display is kept, so it contains fields for display data, EDID
-	data, DPMS &amp; connection status, and information about modes
-	supported on the attached displays.
-      </para>
-      <sect3>
-        <title>Connector Initialization</title>
-        <para>
-          Finally a KMS driver must create, initialize, register and attach at
-          least one struct <structname>drm_connector</structname> instance. The
-          instance is created as other KMS objects and initialized by setting the
-          following fields.
-        </para>
-        <variablelist>
-          <varlistentry>
-            <term><structfield>interlace_allowed</structfield></term>
-            <listitem><para>
-              Whether the connector can handle interlaced modes.
-            </para></listitem>
-          </varlistentry>
-          <varlistentry>
-            <term><structfield>doublescan_allowed</structfield></term>
-            <listitem><para>
-              Whether the connector can handle doublescan.
-            </para></listitem>
-          </varlistentry>
-          <varlistentry>
-            <term><structfield>display_info
-            </structfield></term>
-            <listitem><para>
-              Display information is filled from EDID information when a display
-              is detected. For non hot-pluggable displays such as flat panels in
-              embedded systems, the driver should initialize the
-              <structfield>display_info</structfield>.<structfield>width_mm</structfield>
-              and
-              <structfield>display_info</structfield>.<structfield>height_mm</structfield>
-              fields with the physical size of the display.
-            </para></listitem>
-          </varlistentry>
-          <varlistentry>
-            <term id="drm-kms-connector-polled"><structfield>polled</structfield></term>
-            <listitem><para>
-              Connector polling mode, a combination of
-              <variablelist>
-                <varlistentry>
-                  <term>DRM_CONNECTOR_POLL_HPD</term>
-                  <listitem><para>
-                    The connector generates hotplug events and doesn't need to be
-                    periodically polled. The CONNECT and DISCONNECT flags must not
-                    be set together with the HPD flag.
-                  </para></listitem>
-                </varlistentry>
-                <varlistentry>
-                  <term>DRM_CONNECTOR_POLL_CONNECT</term>
-                  <listitem><para>
-                    Periodically poll the connector for connection.
-                  </para></listitem>
-                </varlistentry>
-                <varlistentry>
-                  <term>DRM_CONNECTOR_POLL_DISCONNECT</term>
-                  <listitem><para>
-                    Periodically poll the connector for disconnection.
-                  </para></listitem>
-                </varlistentry>
-              </variablelist>
-              Set to 0 for connectors that don't support connection status
-              discovery.
-            </para></listitem>
-          </varlistentry>
-        </variablelist>
-        <para>
-          The connector is then registered with a call to
-          <function>drm_connector_init</function> with a pointer to the connector
-          functions and a connector type, and exposed through sysfs with a call to
-          <function>drm_connector_register</function>.
-        </para>
-        <para>
-          Supported connector types are
-          <itemizedlist>
-            <listitem>DRM_MODE_CONNECTOR_VGA</listitem>
-            <listitem>DRM_MODE_CONNECTOR_DVII</listitem>
-            <listitem>DRM_MODE_CONNECTOR_DVID</listitem>
-            <listitem>DRM_MODE_CONNECTOR_DVIA</listitem>
-            <listitem>DRM_MODE_CONNECTOR_Composite</listitem>
-            <listitem>DRM_MODE_CONNECTOR_SVIDEO</listitem>
-            <listitem>DRM_MODE_CONNECTOR_LVDS</listitem>
-            <listitem>DRM_MODE_CONNECTOR_Component</listitem>
-            <listitem>DRM_MODE_CONNECTOR_9PinDIN</listitem>
-            <listitem>DRM_MODE_CONNECTOR_DisplayPort</listitem>
-            <listitem>DRM_MODE_CONNECTOR_HDMIA</listitem>
-            <listitem>DRM_MODE_CONNECTOR_HDMIB</listitem>
-            <listitem>DRM_MODE_CONNECTOR_TV</listitem>
-            <listitem>DRM_MODE_CONNECTOR_eDP</listitem>
-            <listitem>DRM_MODE_CONNECTOR_VIRTUAL</listitem>
-          </itemizedlist>
-        </para>
-        <para>
-          Connectors must be attached to an encoder to be used. For devices that
-          map connectors to encoders 1:1, the connector should be attached at
-          initialization time with a call to
-          <function>drm_mode_connector_attach_encoder</function>. The driver must
-          also set the <structname>drm_connector</structname>
-          <structfield>encoder</structfield> field to point to the attached
-          encoder.
-        </para>
-        <para>
-          Finally, drivers must initialize the connectors state change detection
-          with a call to <function>drm_kms_helper_poll_init</function>. If at
-          least one connector is pollable but can't generate hotplug interrupts
-          (indicated by the DRM_CONNECTOR_POLL_CONNECT and
-          DRM_CONNECTOR_POLL_DISCONNECT connector flags), a delayed work will
-          automatically be queued to periodically poll for changes. Connectors
-          that can generate hotplug interrupts must be marked with the
-          DRM_CONNECTOR_POLL_HPD flag instead, and their interrupt handler must
-          call <function>drm_helper_hpd_irq_event</function>. The function will
-          queue a delayed work to check the state of all connectors, but no
-          periodic polling will be done.
-        </para>
-      </sect3>
-      <sect3>
-        <title>Connector Operations</title>
-        <note><para>
-          Unless otherwise state, all operations are mandatory.
-        </para></note>
-        <sect4>
-          <title>DPMS</title>
-          <synopsis>void (*dpms)(struct drm_connector *connector, int mode);</synopsis>
-          <para>
-            The DPMS operation sets the power state of a connector. The mode
-            argument is one of
-            <itemizedlist>
-              <listitem><para>DRM_MODE_DPMS_ON</para></listitem>
-              <listitem><para>DRM_MODE_DPMS_STANDBY</para></listitem>
-              <listitem><para>DRM_MODE_DPMS_SUSPEND</para></listitem>
-              <listitem><para>DRM_MODE_DPMS_OFF</para></listitem>
-            </itemizedlist>
-          </para>
-          <para>
-            In all but DPMS_ON mode the encoder to which the connector is attached
-            should put the display in low-power mode by driving its signals
-            appropriately. If more than one connector is attached to the encoder
-            care should be taken not to change the power state of other displays as
-            a side effect. Low-power mode should be propagated to the encoders and
-            CRTCs when all related connectors are put in low-power mode.
-          </para>
-        </sect4>
-        <sect4>
-          <title>Modes</title>
-          <synopsis>int (*fill_modes)(struct drm_connector *connector, uint32_t max_width,
-                      uint32_t max_height);</synopsis>
-          <para>
-            Fill the mode list with all supported modes for the connector. If the
-            <parameter>max_width</parameter> and <parameter>max_height</parameter>
-            arguments are non-zero, the implementation must ignore all modes wider
-            than <parameter>max_width</parameter> or higher than
-            <parameter>max_height</parameter>.
-          </para>
-          <para>
-            The connector must also fill in this operation its
-            <structfield>display_info</structfield>
-            <structfield>width_mm</structfield> and
-            <structfield>height_mm</structfield> fields with the connected display
-            physical size in millimeters. The fields should be set to 0 if the value
-            isn't known or is not applicable (for instance for projector devices).
-          </para>
-        </sect4>
-        <sect4>
-          <title>Connection Status</title>
-          <para>
-            The connection status is updated through polling or hotplug events when
-            supported (see <xref linkend="drm-kms-connector-polled"/>). The status
-            value is reported to userspace through ioctls and must not be used
-            inside the driver, as it only gets initialized by a call to
-            <function>drm_mode_getconnector</function> from userspace.
-          </para>
-          <synopsis>enum drm_connector_status (*detect)(struct drm_connector *connector,
-                                        bool force);</synopsis>
-          <para>
-            Check to see if anything is attached to the connector. The
-            <parameter>force</parameter> parameter is set to false whilst polling or
-            to true when checking the connector due to user request.
-            <parameter>force</parameter> can be used by the driver to avoid
-            expensive, destructive operations during automated probing.
-          </para>
-          <para>
-            Return connector_status_connected if something is connected to the
-            connector, connector_status_disconnected if nothing is connected and
-            connector_status_unknown if the connection state isn't known.
-          </para>
-          <para>
-            Drivers should only return connector_status_connected if the connection
-            status has really been probed as connected. Connectors that can't detect
-            the connection status, or failed connection status probes, should return
-            connector_status_unknown.
-          </para>
-        </sect4>
-      </sect3>
-    </sect2>
-    <sect2>
-      <title>Cleanup</title>
-      <para>
-        The DRM core manages its objects' lifetime. When an object is not needed
-	anymore the core calls its destroy function, which must clean up and
-	free every resource allocated for the object. Every
-	<function>drm_*_init</function> call must be matched with a
-	corresponding <function>drm_*_cleanup</function> call to cleanup CRTCs
-	(<function>drm_crtc_cleanup</function>), planes
-	(<function>drm_plane_cleanup</function>), encoders
-	(<function>drm_encoder_cleanup</function>) and connectors
-	(<function>drm_connector_cleanup</function>). Furthermore, connectors
-	that have been added to sysfs must be removed by a call to
-	<function>drm_connector_unregister</function> before calling
-	<function>drm_connector_cleanup</function>.
-      </para>
-      <para>
-        Connectors state change detection must be cleanup up with a call to
-	<function>drm_kms_helper_poll_fini</function>.
-      </para>
-    </sect2>
-    <sect2>
-      <title>Output discovery and initialization example</title>
-      <programlisting><![CDATA[
-void intel_crt_init(struct drm_device *dev)
-{
-	struct drm_connector *connector;
-	struct intel_output *intel_output;
-
-	intel_output = kzalloc(sizeof(struct intel_output), GFP_KERNEL);
-	if (!intel_output)
-		return;
-
-	connector = &intel_output->base;
-	drm_connector_init(dev, &intel_output->base,
-			   &intel_crt_connector_funcs, DRM_MODE_CONNECTOR_VGA);
-
-	drm_encoder_init(dev, &intel_output->enc, &intel_crt_enc_funcs,
-			 DRM_MODE_ENCODER_DAC);
-
-	drm_mode_connector_attach_encoder(&intel_output->base,
-					  &intel_output->enc);
-
-	/* Set up the DDC bus. */
-	intel_output->ddc_bus = intel_i2c_create(dev, GPIOA, "CRTDDC_A");
-	if (!intel_output->ddc_bus) {
-		dev_printk(KERN_ERR, &dev->pdev->dev, "DDC bus registration "
-			   "failed.\n");
-		return;
-	}
-
-	intel_output->type = INTEL_OUTPUT_ANALOG;
-	connector->interlace_allowed = 0;
-	connector->doublescan_allowed = 0;
-
-	drm_encoder_helper_add(&intel_output->enc, &intel_crt_helper_funcs);
-	drm_connector_helper_add(connector, &intel_crt_connector_helper_funcs);
-
-	drm_connector_register(connector);
-}]]></programlisting>
-      <para>
-        In the example above (taken from the i915 driver), a CRTC, connector and
-        encoder combination is created. A device-specific i2c bus is also
-        created for fetching EDID data and performing monitor detection. Once
-        the process is complete, the new connector is registered with sysfs to
-        make its properties available to applications.
-      </para>
-    </sect2>
-    <sect2>
-      <title>KMS API Functions</title>
-!Edrivers/gpu/drm/drm_crtc.c
-    </sect2>
-    <sect2>
-      <title>KMS Data Structures</title>
-!Iinclude/drm/drm_crtc.h
-    </sect2>
-    <sect2>
-      <title>KMS Locking</title>
-!Pdrivers/gpu/drm/drm_modeset_lock.c kms locking
-!Iinclude/drm/drm_modeset_lock.h
-!Edrivers/gpu/drm/drm_modeset_lock.c
-    </sect2>
-  </sect1>
-
-  <!-- Internals: kms helper functions -->
-
-  <sect1>
-    <title>Mode Setting Helper Functions</title>
-    <para>
-      The plane, CRTC, encoder and connector functions provided by the drivers
-      implement the DRM API. They're called by the DRM core and ioctl handlers
-      to handle device state changes and configuration request. As implementing
-      those functions often requires logic not specific to drivers, mid-layer
-      helper functions are available to avoid duplicating boilerplate code.
-    </para>
-    <para>
-      The DRM core contains one mid-layer implementation. The mid-layer provides
-      implementations of several plane, CRTC, encoder and connector functions
-      (called from the top of the mid-layer) that pre-process requests and call
-      lower-level functions provided by the driver (at the bottom of the
-      mid-layer). For instance, the
-      <function>drm_crtc_helper_set_config</function> function can be used to
-      fill the struct <structname>drm_crtc_funcs</structname>
-      <structfield>set_config</structfield> field. When called, it will split
-      the <methodname>set_config</methodname> operation in smaller, simpler
-      operations and call the driver to handle them.
-    </para>
-    <para>
-      To use the mid-layer, drivers call <function>drm_crtc_helper_add</function>,
-      <function>drm_encoder_helper_add</function> and
-      <function>drm_connector_helper_add</function> functions to install their
-      mid-layer bottom operations handlers, and fill the
-      <structname>drm_crtc_funcs</structname>,
-      <structname>drm_encoder_funcs</structname> and
-      <structname>drm_connector_funcs</structname> structures with pointers to
-      the mid-layer top API functions. Installing the mid-layer bottom operation
-      handlers is best done right after registering the corresponding KMS object.
-    </para>
-    <para>
-      The mid-layer is not split between CRTC, encoder and connector operations.
-      To use it, a driver must provide bottom functions for all of the three KMS
-      entities.
-    </para>
-    <sect2>
-      <title>Atomic Modeset Helper Functions Reference</title>
-      <sect3>
-	<title>Overview</title>
-!Pdrivers/gpu/drm/drm_atomic_helper.c overview
-      </sect3>
-      <sect3>
-	<title>Implementing Asynchronous Atomic Commit</title>
-!Pdrivers/gpu/drm/drm_atomic_helper.c implementing async commit
-      </sect3>
-      <sect3>
-	<title>Atomic State Reset and Initialization</title>
-!Pdrivers/gpu/drm/drm_atomic_helper.c atomic state reset and initialization
-      </sect3>
-!Iinclude/drm/drm_atomic_helper.h
-!Edrivers/gpu/drm/drm_atomic_helper.c
-    </sect2>
-    <sect2>
-      <title>Modeset Helper Reference for Common Vtables</title>
-!Iinclude/drm/drm_modeset_helper_vtables.h
-!Pinclude/drm/drm_modeset_helper_vtables.h overview
-    </sect2>
-    <sect2>
-      <title>Legacy CRTC/Modeset Helper Functions Reference</title>
-!Edrivers/gpu/drm/drm_crtc_helper.c
-!Pdrivers/gpu/drm/drm_crtc_helper.c overview
-    </sect2>
-    <sect2>
-      <title>Output Probing Helper Functions Reference</title>
-!Pdrivers/gpu/drm/drm_probe_helper.c output probing helper overview
-!Edrivers/gpu/drm/drm_probe_helper.c
-    </sect2>
-    <sect2>
-      <title>fbdev Helper Functions Reference</title>
-!Pdrivers/gpu/drm/drm_fb_helper.c fbdev helpers
-!Edrivers/gpu/drm/drm_fb_helper.c
-!Iinclude/drm/drm_fb_helper.h
-    </sect2>
-    <sect2>
-      <title>Framebuffer CMA Helper Functions Reference</title>
-!Pdrivers/gpu/drm/drm_fb_cma_helper.c framebuffer cma helper functions
-!Edrivers/gpu/drm/drm_fb_cma_helper.c
-    </sect2>
-    <sect2>
-      <title>Display Port Helper Functions Reference</title>
-!Pdrivers/gpu/drm/drm_dp_helper.c dp helpers
-!Iinclude/drm/drm_dp_helper.h
-!Edrivers/gpu/drm/drm_dp_helper.c
-    </sect2>
-    <sect2>
-      <title>Display Port Dual Mode Adaptor Helper Functions Reference</title>
-!Pdrivers/gpu/drm/drm_dp_dual_mode_helper.c dp dual mode helpers
-!Iinclude/drm/drm_dp_dual_mode_helper.h
-!Edrivers/gpu/drm/drm_dp_dual_mode_helper.c
-    </sect2>
-    <sect2>
-      <title>Display Port MST Helper Functions Reference</title>
-!Pdrivers/gpu/drm/drm_dp_mst_topology.c dp mst helper
-!Iinclude/drm/drm_dp_mst_helper.h
-!Edrivers/gpu/drm/drm_dp_mst_topology.c
-    </sect2>
-    <sect2>
-      <title>MIPI DSI Helper Functions Reference</title>
-!Pdrivers/gpu/drm/drm_mipi_dsi.c dsi helpers
-!Iinclude/drm/drm_mipi_dsi.h
-!Edrivers/gpu/drm/drm_mipi_dsi.c
-    </sect2>
-    <sect2>
-      <title>EDID Helper Functions Reference</title>
-!Edrivers/gpu/drm/drm_edid.c
-    </sect2>
-    <sect2>
-      <title>Rectangle Utilities Reference</title>
-!Pinclude/drm/drm_rect.h rect utils
-!Iinclude/drm/drm_rect.h
-!Edrivers/gpu/drm/drm_rect.c
-    </sect2>
-    <sect2>
-      <title>Flip-work Helper Reference</title>
-!Pinclude/drm/drm_flip_work.h flip utils
-!Iinclude/drm/drm_flip_work.h
-!Edrivers/gpu/drm/drm_flip_work.c
-    </sect2>
-    <sect2>
-      <title>HDMI Infoframes Helper Reference</title>
-      <para>
-	Strictly speaking this is not a DRM helper library but generally useable
-	by any driver interfacing with HDMI outputs like v4l or alsa drivers.
-	But it nicely fits into the overall topic of mode setting helper
-	libraries and hence is also included here.
-      </para>
-!Iinclude/linux/hdmi.h
-!Edrivers/video/hdmi.c
-    </sect2>
-    <sect2>
-      <title id="drm-kms-planehelpers">Plane Helper Reference</title>
-!Edrivers/gpu/drm/drm_plane_helper.c
-!Pdrivers/gpu/drm/drm_plane_helper.c overview
-    </sect2>
-    <sect2>
-	  <title>Tile group</title>
-!Pdrivers/gpu/drm/drm_crtc.c Tile group
-    </sect2>
-    <sect2>
-      <title>Bridges</title>
-      <sect3>
-        <title>Overview</title>
-!Pdrivers/gpu/drm/drm_bridge.c overview
-      </sect3>
-      <sect3>
-        <title>Default bridge callback sequence</title>
-!Pdrivers/gpu/drm/drm_bridge.c bridge callbacks
-      </sect3>
-!Edrivers/gpu/drm/drm_bridge.c
-    </sect2>
-    <sect2>
-      <title>Panel Helper Reference</title>
-!Iinclude/drm/drm_panel.h
-!Edrivers/gpu/drm/drm_panel.c
-!Pdrivers/gpu/drm/drm_panel.c drm panel
-    </sect2>
-  </sect1>
-
-  <!-- Internals: kms properties -->
-
-  <sect1 id="drm-kms-properties">
-    <title>KMS Properties</title>
-    <para>
-      Drivers may need to expose additional parameters to applications than
-      those described in the previous sections. KMS supports attaching
-      properties to CRTCs, connectors and planes and offers a userspace API to
-      list, get and set the property values.
-    </para>
-    <para>
-      Properties are identified by a name that uniquely defines the property
-      purpose, and store an associated value. For all property types except blob
-      properties the value is a 64-bit unsigned integer.
-    </para>
-    <para>
-      KMS differentiates between properties and property instances. Drivers
-      first create properties and then create and associate individual instances
-      of those properties to objects. A property can be instantiated multiple
-      times and associated with different objects. Values are stored in property
-      instances, and all other property information are stored in the property
-      and shared between all instances of the property.
-    </para>
-    <para>
-      Every property is created with a type that influences how the KMS core
-      handles the property. Supported property types are
-      <variablelist>
-        <varlistentry>
-          <term>DRM_MODE_PROP_RANGE</term>
-          <listitem><para>Range properties report their minimum and maximum
-            admissible values. The KMS core verifies that values set by
-            application fit in that range.</para></listitem>
-        </varlistentry>
-        <varlistentry>
-          <term>DRM_MODE_PROP_ENUM</term>
-          <listitem><para>Enumerated properties take a numerical value that
-            ranges from 0 to the number of enumerated values defined by the
-            property minus one, and associate a free-formed string name to each
-            value. Applications can retrieve the list of defined value-name pairs
-            and use the numerical value to get and set property instance values.
-            </para></listitem>
-        </varlistentry>
-        <varlistentry>
-          <term>DRM_MODE_PROP_BITMASK</term>
-          <listitem><para>Bitmask properties are enumeration properties that
-            additionally restrict all enumerated values to the 0..63 range.
-            Bitmask property instance values combine one or more of the
-            enumerated bits defined by the property.</para></listitem>
-        </varlistentry>
-        <varlistentry>
-          <term>DRM_MODE_PROP_BLOB</term>
-          <listitem><para>Blob properties store a binary blob without any format
-            restriction. The binary blobs are created as KMS standalone objects,
-            and blob property instance values store the ID of their associated
-            blob object.</para>
-	    <para>Blob properties are only used for the connector EDID property
-	    and cannot be created by drivers.</para></listitem>
-        </varlistentry>
-      </variablelist>
-    </para>
-    <para>
-      To create a property drivers call one of the following functions depending
-      on the property type. All property creation functions take property flags
-      and name, as well as type-specific arguments.
-      <itemizedlist>
-        <listitem>
-          <synopsis>struct drm_property *drm_property_create_range(struct drm_device *dev, int flags,
-                                               const char *name,
-                                               uint64_t min, uint64_t max);</synopsis>
-          <para>Create a range property with the given minimum and maximum
-            values.</para>
-        </listitem>
-        <listitem>
-          <synopsis>struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags,
-                                              const char *name,
-                                              const struct drm_prop_enum_list *props,
-                                              int num_values);</synopsis>
-          <para>Create an enumerated property. The <parameter>props</parameter>
-            argument points to an array of <parameter>num_values</parameter>
-            value-name pairs.</para>
-        </listitem>
-        <listitem>
-          <synopsis>struct drm_property *drm_property_create_bitmask(struct drm_device *dev,
-                                                 int flags, const char *name,
-                                                 const struct drm_prop_enum_list *props,
-                                                 int num_values);</synopsis>
-          <para>Create a bitmask property. The <parameter>props</parameter>
-            argument points to an array of <parameter>num_values</parameter>
-            value-name pairs.</para>
-        </listitem>
-      </itemizedlist>
-    </para>
-    <para>
-      Properties can additionally be created as immutable, in which case they
-      will be read-only for applications but can be modified by the driver. To
-      create an immutable property drivers must set the DRM_MODE_PROP_IMMUTABLE
-      flag at property creation time.
-    </para>
-    <para>
-      When no array of value-name pairs is readily available at property
-      creation time for enumerated or range properties, drivers can create
-      the property using the <function>drm_property_create</function> function
-      and manually add enumeration value-name pairs by calling the
-      <function>drm_property_add_enum</function> function. Care must be taken to
-      properly specify the property type through the <parameter>flags</parameter>
-      argument.
-    </para>
-    <para>
-      After creating properties drivers can attach property instances to CRTC,
-      connector and plane objects by calling the
-      <function>drm_object_attach_property</function>. The function takes a
-      pointer to the target object, a pointer to the previously created property
-      and an initial instance value.
-    </para>
-    <sect2>
-	<title>Existing KMS Properties</title>
-	<para>
-	The following table gives description of drm properties exposed by various
-	modules/drivers.
-	</para>
-	<table border="1" cellpadding="0" cellspacing="0">
-	<tbody>
-	<tr style="font-weight: bold;">
-	<td valign="top" >Owner Module/Drivers</td>
-	<td valign="top" >Group</td>
-	<td valign="top" >Property Name</td>
-	<td valign="top" >Type</td>
-	<td valign="top" >Property Values</td>
-	<td valign="top" >Object attached</td>
-	<td valign="top" >Description/Restrictions</td>
-	</tr>
-	<tr>
-	<td rowspan="42" valign="top" >DRM</td>
-	<td rowspan="2" valign="top" >Generic</td>
-	<td valign="top" >“rotation”</td>
-	<td valign="top" >BITMASK</td>
-	<td valign="top" >{ 0, "rotate-0" },
-	{ 1, "rotate-90" },
-	{ 2, "rotate-180" },
-	{ 3, "rotate-270" },
-	{ 4, "reflect-x" },
-	{ 5, "reflect-y" }</td>
-	<td valign="top" >CRTC, Plane</td>
-	<td valign="top" >rotate-(degrees) rotates the image by the specified amount in degrees
-	in counter clockwise direction. reflect-x and reflect-y reflects the
-	image along the specified axis prior to rotation</td>
-	</tr>
-	<tr>
-	<td valign="top" >“scaling mode”</td>
-	<td valign="top" >ENUM</td>
-	<td valign="top" >{ "None", "Full", "Center", "Full aspect" }</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >Supported by: amdgpu, gma500, i915, nouveau and radeon.</td>
-	</tr>
-	<tr>
-	<td rowspan="5" valign="top" >Connector</td>
-	<td valign="top" >“EDID”</td>
-	<td valign="top" >BLOB | IMMUTABLE</td>
-	<td valign="top" >0</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >Contains id of edid blob ptr object.</td>
-	</tr>
-	<tr>
-	<td valign="top" >“DPMS”</td>
-	<td valign="top" >ENUM</td>
-	<td valign="top" >{ “On”, “Standby”, “Suspend”, “Off” }</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >Contains DPMS operation mode value.</td>
-	</tr>
-	<tr>
-	<td valign="top" >“PATH”</td>
-	<td valign="top" >BLOB | IMMUTABLE</td>
-	<td valign="top" >0</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >Contains topology path to a connector.</td>
-	</tr>
-	<tr>
-	<td valign="top" >“TILE”</td>
-	<td valign="top" >BLOB | IMMUTABLE</td>
-	<td valign="top" >0</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >Contains tiling information for a connector.</td>
-	</tr>
-	<tr>
-	<td valign="top" >“CRTC_ID”</td>
-	<td valign="top" >OBJECT</td>
-	<td valign="top" >DRM_MODE_OBJECT_CRTC</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >CRTC that connector is attached to (atomic)</td>
-	</tr>
-	<tr>
-	<td rowspan="11" valign="top" >Plane</td>
-	<td valign="top" >“type”</td>
-	<td valign="top" >ENUM | IMMUTABLE</td>
-	<td valign="top" >{ "Overlay", "Primary", "Cursor" }</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >Plane type</td>
-	</tr>
-	<tr>
-	<td valign="top" >“SRC_X”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=UINT_MAX</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >Scanout source x coordinate in 16.16 fixed point (atomic)</td>
-	</tr>
-	<tr>
-	<td valign="top" >“SRC_Y”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=UINT_MAX</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >Scanout source y coordinate in 16.16 fixed point (atomic)</td>
-	</tr>
-	<tr>
-	<td valign="top" >“SRC_W”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=UINT_MAX</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >Scanout source width in 16.16 fixed point (atomic)</td>
-	</tr>
-	<tr>
-	<td valign="top" >“SRC_H”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=UINT_MAX</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >Scanout source height in 16.16 fixed point (atomic)</td>
-	</tr>
-	<tr>
-	<td valign="top" >“CRTC_X”</td>
-	<td valign="top" >SIGNED_RANGE</td>
-	<td valign="top" >Min=INT_MIN, Max=INT_MAX</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >Scanout CRTC (destination) x coordinate (atomic)</td>
-	</tr>
-	<tr>
-	<td valign="top" >“CRTC_Y”</td>
-	<td valign="top" >SIGNED_RANGE</td>
-	<td valign="top" >Min=INT_MIN, Max=INT_MAX</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >Scanout CRTC (destination) y coordinate (atomic)</td>
-	</tr>
-	<tr>
-	<td valign="top" >“CRTC_W”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=UINT_MAX</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >Scanout CRTC (destination) width (atomic)</td>
-	</tr>
-	<tr>
-	<td valign="top" >“CRTC_H”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=UINT_MAX</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >Scanout CRTC (destination) height (atomic)</td>
-	</tr>
-	<tr>
-	<td valign="top" >“FB_ID”</td>
-	<td valign="top" >OBJECT</td>
-	<td valign="top" >DRM_MODE_OBJECT_FB</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >Scanout framebuffer (atomic)</td>
-	</tr>
-	<tr>
-	<td valign="top" >“CRTC_ID”</td>
-	<td valign="top" >OBJECT</td>
-	<td valign="top" >DRM_MODE_OBJECT_CRTC</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >CRTC that plane is attached to (atomic)</td>
-	</tr>
-	<tr>
-	<td rowspan="2" valign="top" >DVI-I</td>
-	<td valign="top" >“subconnector”</td>
-	<td valign="top" >ENUM</td>
-	<td valign="top" >{ “Unknown”, “DVI-D”, “DVI-A” }</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“select subconnector”</td>
-	<td valign="top" >ENUM</td>
-	<td valign="top" >{ “Automatic”, “DVI-D”, “DVI-A” }</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td rowspan="13" valign="top" >TV</td>
-	<td valign="top" >“subconnector”</td>
-	<td valign="top" >ENUM</td>
-	<td valign="top" >{ "Unknown", "Composite", "SVIDEO", "Component", "SCART" }</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“select subconnector”</td>
-	<td valign="top" >ENUM</td>
-	<td valign="top" >{ "Automatic", "Composite", "SVIDEO", "Component", "SCART" }</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“mode”</td>
-	<td valign="top" >ENUM</td>
-	<td valign="top" >{ "NTSC_M", "NTSC_J", "NTSC_443", "PAL_B" } etc.</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“left margin”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=100</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“right margin”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=100</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“top margin”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=100</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“bottom margin”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=100</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“brightness”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=100</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“contrast”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=100</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“flicker reduction”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=100</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“overscan”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=100</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“saturation”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=100</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“hue”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=100</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td rowspan="2" valign="top" >Virtual GPU</td>
-	<td valign="top" >“suggested X”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=0xffffffff</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >property to suggest an X offset for a connector</td>
-	</tr>
-	<tr>
-	<td valign="top" >“suggested Y”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=0xffffffff</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >property to suggest an Y offset for a connector</td>
-	</tr>
-	<tr>
-	<td rowspan="7" valign="top" >Optional</td>
-	<td valign="top" >"aspect ratio"</td>
-	<td valign="top" >ENUM</td>
-	<td valign="top" >{ "None", "4:3", "16:9" }</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TDB</td>
-	</tr>
-	<tr>
-	<td valign="top" >“dirty”</td>
-	<td valign="top" >ENUM | IMMUTABLE</td>
-	<td valign="top" >{ "Off", "On", "Annotate" }</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“DEGAMMA_LUT”</td>
-	<td valign="top" >BLOB</td>
-	<td valign="top" >0</td>
-	<td valign="top" >CRTC</td>
-	<td valign="top" >DRM property to set the degamma lookup table
-		(LUT) mapping pixel data from the framebuffer before it is
-		given to the transformation matrix. The data is an interpreted
-		as an array of struct drm_color_lut elements. Hardware might
-		choose not to use the full precision of the LUT elements nor
-		use all the elements of the LUT (for example the hardware
-		might choose to interpolate between LUT[0] and LUT[4]). </td>
-	</tr>
-	<tr>
-	<td valign="top" >“DEGAMMA_LUT_SIZE”</td>
-	<td valign="top" >RANGE | IMMUTABLE</td>
-	<td valign="top" >Min=0, Max=UINT_MAX</td>
-	<td valign="top" >CRTC</td>
-	<td valign="top" >DRM property to gives the size of the lookup
-		table to be set on the DEGAMMA_LUT property (the size depends
-		on the underlying hardware).</td>
-	</tr>
-	<tr>
-	<td valign="top" >“CTM”</td>
-	<td valign="top" >BLOB</td>
-	<td valign="top" >0</td>
-	<td valign="top" >CRTC</td>
-	<td valign="top" >DRM property to set the current
-		transformation matrix (CTM) apply to pixel data after the
-		lookup through the degamma LUT and before the lookup through
-		the gamma LUT. The data is an interpreted as a struct
-		drm_color_ctm.</td>
-	</tr>
-	<tr>
-	<td valign="top" >“GAMMA_LUT”</td>
-	<td valign="top" >BLOB</td>
-	<td valign="top" >0</td>
-	<td valign="top" >CRTC</td>
-	<td valign="top" >DRM property to set the gamma lookup table
-		(LUT) mapping pixel data after to the transformation matrix to
-		data sent to the connector. The data is an interpreted as an
-		array of struct drm_color_lut elements. Hardware might choose
-		not to use the full precision of the LUT elements nor use all
-		the elements of the LUT (for example the hardware might choose
-		to interpolate between LUT[0] and LUT[4]).</td>
-	</tr>
-	<tr>
-	<td valign="top" >“GAMMA_LUT_SIZE”</td>
-	<td valign="top" >RANGE | IMMUTABLE</td>
-	<td valign="top" >Min=0, Max=UINT_MAX</td>
-	<td valign="top" >CRTC</td>
-	<td valign="top" >DRM property to gives the size of the lookup
-		table to be set on the GAMMA_LUT property (the size depends on
-		the underlying hardware).</td>
-	</tr>
-	<tr>
-	<td rowspan="20" valign="top" >i915</td>
-	<td rowspan="2" valign="top" >Generic</td>
-	<td valign="top" >"Broadcast RGB"</td>
-	<td valign="top" >ENUM</td>
-	<td valign="top" >{ "Automatic", "Full", "Limited 16:235" }</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >When this property is set to Limited 16:235
-		and CTM is set, the hardware will be programmed with the
-		result of the multiplication of CTM by the limited range
-		matrix to ensure the pixels normaly in the range 0..1.0 are
-		remapped to the range 16/255..235/255.</td>
-	</tr>
-	<tr>
-	<td valign="top" >“audio”</td>
-	<td valign="top" >ENUM</td>
-	<td valign="top" >{ "force-dvi", "off", "auto", "on" }</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td rowspan="17" valign="top" >SDVO-TV</td>
-	<td valign="top" >“mode”</td>
-	<td valign="top" >ENUM</td>
-	<td valign="top" >{ "NTSC_M", "NTSC_J", "NTSC_443", "PAL_B" } etc.</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >"left_margin"</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >"right_margin"</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >"top_margin"</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >"bottom_margin"</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“hpos”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“vpos”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“contrast”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“saturation”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“hue”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“sharpness”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“flicker_filter”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“flicker_filter_adaptive”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“flicker_filter_2d”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“tv_chroma_filter”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“tv_luma_filter”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“dot_crawl”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=1</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >SDVO-TV/LVDS</td>
-	<td valign="top" >“brightness”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td rowspan="2" valign="top" >CDV gma-500</td>
-	<td rowspan="2" valign="top" >Generic</td>
-	<td valign="top" >"Broadcast RGB"</td>
-	<td valign="top" >ENUM</td>
-	<td valign="top" >{ “Full”, “Limited 16:235” }</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >"Broadcast RGB"</td>
-	<td valign="top" >ENUM</td>
-	<td valign="top" >{ “off”, “auto”, “on” }</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td rowspan="19" valign="top" >Poulsbo</td>
-	<td rowspan="1" valign="top" >Generic</td>
-	<td valign="top" >“backlight”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=100</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td rowspan="17" valign="top" >SDVO-TV</td>
-	<td valign="top" >“mode”</td>
-	<td valign="top" >ENUM</td>
-	<td valign="top" >{ "NTSC_M", "NTSC_J", "NTSC_443", "PAL_B" } etc.</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >"left_margin"</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >"right_margin"</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >"top_margin"</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >"bottom_margin"</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“hpos”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“vpos”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“contrast”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“saturation”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“hue”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“sharpness”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“flicker_filter”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“flicker_filter_adaptive”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“flicker_filter_2d”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“tv_chroma_filter”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“tv_luma_filter”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“dot_crawl”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=1</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >SDVO-TV/LVDS</td>
-	<td valign="top" >“brightness”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max= SDVO dependent</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td rowspan="11" valign="top" >armada</td>
-	<td rowspan="2" valign="top" >CRTC</td>
-	<td valign="top" >"CSC_YUV"</td>
-	<td valign="top" >ENUM</td>
-	<td valign="top" >{ "Auto" , "CCIR601", "CCIR709" }</td>
-	<td valign="top" >CRTC</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >"CSC_RGB"</td>
-	<td valign="top" >ENUM</td>
-	<td valign="top" >{ "Auto", "Computer system", "Studio" }</td>
-	<td valign="top" >CRTC</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td rowspan="9" valign="top" >Overlay</td>
-	<td valign="top" >"colorkey"</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=0xffffff</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >"colorkey_min"</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=0xffffff</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >"colorkey_max"</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=0xffffff</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >"colorkey_val"</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=0xffffff</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >"colorkey_alpha"</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=0xffffff</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >"colorkey_mode"</td>
-	<td valign="top" >ENUM</td>
-	<td valign="top" >{ "disabled", "Y component", "U component"
-	, "V component", "RGB", “R component", "G component", "B component" }</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >"brightness"</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=256 + 255</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >"contrast"</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=0x7fff</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >"saturation"</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=0x7fff</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td rowspan="2" valign="top" >exynos</td>
-	<td valign="top" >CRTC</td>
-	<td valign="top" >“mode”</td>
-	<td valign="top" >ENUM</td>
-	<td valign="top" >{ "normal", "blank" }</td>
-	<td valign="top" >CRTC</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >Overlay</td>
-	<td valign="top" >“zpos”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=MAX_PLANE-1</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td rowspan="2" valign="top" >i2c/ch7006_drv</td>
-	<td valign="top" >Generic</td>
-	<td valign="top" >“scale”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=2</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td rowspan="1" valign="top" >TV</td>
-	<td valign="top" >“mode”</td>
-	<td valign="top" >ENUM</td>
-	<td valign="top" >{ "PAL", "PAL-M","PAL-N"}, ”PAL-Nc"
-	, "PAL-60", "NTSC-M", "NTSC-J" }</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td rowspan="15" valign="top" >nouveau</td>
-	<td rowspan="6" valign="top" >NV10 Overlay</td>
-	<td valign="top" >"colorkey"</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=0x01ffffff</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“contrast”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=8192-1</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“brightness”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=1024</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“hue”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=359</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“saturation”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=8192-1</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“iturbt_709”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=1</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td rowspan="2" valign="top" >Nv04 Overlay</td>
-	<td valign="top" >“colorkey”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=0x01ffffff</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“brightness”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=1024</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td rowspan="7" valign="top" >Display</td>
-	<td valign="top" >“dithering mode”</td>
-	<td valign="top" >ENUM</td>
-	<td valign="top" >{ "auto", "off", "on" }</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“dithering depth”</td>
-	<td valign="top" >ENUM</td>
-	<td valign="top" >{ "auto", "off", "on", "static 2x2", "dynamic 2x2", "temporal" }</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“underscan”</td>
-	<td valign="top" >ENUM</td>
-	<td valign="top" >{ "auto", "6 bpc", "8 bpc" }</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“underscan hborder”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=128</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“underscan vborder”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=128</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“vibrant hue”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=180</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >“color vibrance”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=200</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >omap</td>
-	<td valign="top" >Generic</td>
-	<td valign="top" >“zorder”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=3</td>
-	<td valign="top" >CRTC, Plane</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >qxl</td>
-	<td valign="top" >Generic</td>
-	<td valign="top" >“hotplug_mode_update"</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=1</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td rowspan="9" valign="top" >radeon</td>
-	<td valign="top" >DVI-I</td>
-	<td valign="top" >“coherent”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=1</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >DAC enable load detect</td>
-	<td valign="top" >“load detection”</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=1</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >TV Standard</td>
-	<td valign="top" >"tv standard"</td>
-	<td valign="top" >ENUM</td>
-	<td valign="top" >{ "ntsc", "pal", "pal-m", "pal-60", "ntsc-j"
-	, "scart-pal", "pal-cn", "secam" }</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >legacy TMDS PLL detect</td>
-	<td valign="top" >"tmds_pll"</td>
-	<td valign="top" >ENUM</td>
-	<td valign="top" >{ "driver", "bios" }</td>
-	<td valign="top" >-</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td rowspan="3" valign="top" >Underscan</td>
-	<td valign="top" >"underscan"</td>
-	<td valign="top" >ENUM</td>
-	<td valign="top" >{ "off", "on", "auto" }</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >"underscan hborder"</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=128</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >"underscan vborder"</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=128</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >Audio</td>
-	<td valign="top" >“audio”</td>
-	<td valign="top" >ENUM</td>
-	<td valign="top" >{ "off", "on", "auto" }</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >FMT Dithering</td>
-	<td valign="top" >“dither”</td>
-	<td valign="top" >ENUM</td>
-	<td valign="top" >{ "off", "on" }</td>
-	<td valign="top" >Connector</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td rowspan="3" valign="top" >rcar-du</td>
-	<td rowspan="3" valign="top" >Generic</td>
-	<td valign="top" >"alpha"</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=255</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >"colorkey"</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=0, Max=0x01ffffff</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	<tr>
-	<td valign="top" >"zpos"</td>
-	<td valign="top" >RANGE</td>
-	<td valign="top" >Min=1, Max=7</td>
-	<td valign="top" >Plane</td>
-	<td valign="top" >TBD</td>
-	</tr>
-	</tbody>
-	</table>
-    </sect2>
-  </sect1>
-
-  <!-- Internals: vertical blanking -->
-
-  <sect1 id="drm-vertical-blank">
-    <title>Vertical Blanking</title>
-    <para>
-      Vertical blanking plays a major role in graphics rendering. To achieve
-      tear-free display, users must synchronize page flips and/or rendering to
-      vertical blanking. The DRM API offers ioctls to perform page flips
-      synchronized to vertical blanking and wait for vertical blanking.
-    </para>
-    <para>
-      The DRM core handles most of the vertical blanking management logic, which
-      involves filtering out spurious interrupts, keeping race-free blanking
-      counters, coping with counter wrap-around and resets and keeping use
-      counts. It relies on the driver to generate vertical blanking interrupts
-      and optionally provide a hardware vertical blanking counter. Drivers must
-      implement the following operations.
-    </para>
-    <itemizedlist>
-      <listitem>
-        <synopsis>int (*enable_vblank) (struct drm_device *dev, int crtc);
-void (*disable_vblank) (struct drm_device *dev, int crtc);</synopsis>
-        <para>
-	  Enable or disable vertical blanking interrupts for the given CRTC.
-	</para>
-      </listitem>
-      <listitem>
-        <synopsis>u32 (*get_vblank_counter) (struct drm_device *dev, int crtc);</synopsis>
-        <para>
-	  Retrieve the value of the vertical blanking counter for the given
-	  CRTC. If the hardware maintains a vertical blanking counter its value
-	  should be returned. Otherwise drivers can use the
-	  <function>drm_vblank_count</function> helper function to handle this
-	  operation.
-	</para>
-      </listitem>
-    </itemizedlist>
-    <para>
-      Drivers must initialize the vertical blanking handling core with a call to
-      <function>drm_vblank_init</function> in their
-      <methodname>load</methodname> operation. The function will set the struct
-      <structname>drm_device</structname>
-      <structfield>vblank_disable_allowed</structfield> field to 0. This will
-      keep vertical blanking interrupts enabled permanently until the first mode
-      set operation, where <structfield>vblank_disable_allowed</structfield> is
-      set to 1. The reason behind this is not clear. Drivers can set the field
-      to 1 after <function>calling drm_vblank_init</function> to make vertical
-      blanking interrupts dynamically managed from the beginning.
-    </para>
-    <para>
-      Vertical blanking interrupts can be enabled by the DRM core or by drivers
-      themselves (for instance to handle page flipping operations). The DRM core
-      maintains a vertical blanking use count to ensure that the interrupts are
-      not disabled while a user still needs them. To increment the use count,
-      drivers call <function>drm_vblank_get</function>. Upon return vertical
-      blanking interrupts are guaranteed to be enabled.
-    </para>
-    <para>
-      To decrement the use count drivers call
-      <function>drm_vblank_put</function>. Only when the use count drops to zero
-      will the DRM core disable the vertical blanking interrupts after a delay
-      by scheduling a timer. The delay is accessible through the vblankoffdelay
-      module parameter or the <varname>drm_vblank_offdelay</varname> global
-      variable and expressed in milliseconds. Its default value is 5000 ms.
-      Zero means never disable, and a negative value means disable immediately.
-      Drivers may override the behaviour by setting the
-      <structname>drm_device</structname>
-      <structfield>vblank_disable_immediate</structfield> flag, which when set
-      causes vblank interrupts to be disabled immediately regardless of the
-      drm_vblank_offdelay value. The flag should only be set if there's a
-      properly working hardware vblank counter present.
-    </para>
-    <para>
-      When a vertical blanking interrupt occurs drivers only need to call the
-      <function>drm_handle_vblank</function> function to account for the
-      interrupt.
-    </para>
-    <para>
-      Resources allocated by <function>drm_vblank_init</function> must be freed
-      with a call to <function>drm_vblank_cleanup</function> in the driver
-      <methodname>unload</methodname> operation handler.
-    </para>
-    <sect2>
-      <title>Vertical Blanking and Interrupt Handling Functions Reference</title>
-!Edrivers/gpu/drm/drm_irq.c
-!Finclude/drm/drmP.h drm_crtc_vblank_waitqueue
-    </sect2>
-  </sect1>
-
-  <!-- Internals: open/close, file operations and ioctls -->
-
-  <sect1>
-    <title>Open/Close, File Operations and IOCTLs</title>
-    <sect2>
-      <title>Open and Close</title>
-      <synopsis>int (*firstopen) (struct drm_device *);
-void (*lastclose) (struct drm_device *);
-int (*open) (struct drm_device *, struct drm_file *);
-void (*preclose) (struct drm_device *, struct drm_file *);
-void (*postclose) (struct drm_device *, struct drm_file *);</synopsis>
-      <abstract>Open and close handlers. None of those methods are mandatory.
-      </abstract>
-      <para>
-        The <methodname>firstopen</methodname> method is called by the DRM core
-	for legacy UMS (User Mode Setting) drivers only when an application
-	opens a device that has no other opened file handle. UMS drivers can
-	implement it to acquire device resources. KMS drivers can't use the
-	method and must acquire resources in the <methodname>load</methodname>
-	method instead.
-      </para>
-      <para>
-	Similarly the <methodname>lastclose</methodname> method is called when
-	the last application holding a file handle opened on the device closes
-	it, for both UMS and KMS drivers. Additionally, the method is also
-	called at module unload time or, for hot-pluggable devices, when the
-	device is unplugged. The <methodname>firstopen</methodname> and
-	<methodname>lastclose</methodname> calls can thus be unbalanced.
-      </para>
-      <para>
-        The <methodname>open</methodname> method is called every time the device
-	is opened by an application. Drivers can allocate per-file private data
-	in this method and store them in the struct
-	<structname>drm_file</structname> <structfield>driver_priv</structfield>
-	field. Note that the <methodname>open</methodname> method is called
-	before <methodname>firstopen</methodname>.
-      </para>
-      <para>
-        The close operation is split into <methodname>preclose</methodname> and
-	<methodname>postclose</methodname> methods. Drivers must stop and
-	cleanup all per-file operations in the <methodname>preclose</methodname>
-	method. For instance pending vertical blanking and page flip events must
-	be cancelled. No per-file operation is allowed on the file handle after
-	returning from the <methodname>preclose</methodname> method.
-      </para>
-      <para>
-        Finally the <methodname>postclose</methodname> method is called as the
-	last step of the close operation, right before calling the
-	<methodname>lastclose</methodname> method if no other open file handle
-	exists for the device. Drivers that have allocated per-file private data
-	in the <methodname>open</methodname> method should free it here.
-      </para>
-      <para>
-        The <methodname>lastclose</methodname> method should restore CRTC and
-	plane properties to default value, so that a subsequent open of the
-	device will not inherit state from the previous user. It can also be
-	used to execute delayed power switching state changes, e.g. in
-	conjunction with the vga_switcheroo infrastructure (see
-	<xref linkend="vga_switcheroo"/>). Beyond that KMS drivers should not
-	do any further cleanup. Only legacy UMS drivers might need to clean up
-	device state so that the vga console or an independent fbdev driver
-	could take over.
-      </para>
-    </sect2>
-    <sect2>
-      <title>File Operations</title>
-!Pdrivers/gpu/drm/drm_fops.c file operations
-!Edrivers/gpu/drm/drm_fops.c
-    </sect2>
-    <sect2>
-      <title>IOCTLs</title>
-      <synopsis>struct drm_ioctl_desc *ioctls;
-int num_ioctls;</synopsis>
-      <abstract>Driver-specific ioctls descriptors table.</abstract>
-      <para>
-        Driver-specific ioctls numbers start at DRM_COMMAND_BASE. The ioctls
-	descriptors table is indexed by the ioctl number offset from the base
-	value. Drivers can use the DRM_IOCTL_DEF_DRV() macro to initialize the
-	table entries.
-      </para>
-      <para>
-        <programlisting>DRM_IOCTL_DEF_DRV(ioctl, func, flags)</programlisting>
-	<para>
-	  <parameter>ioctl</parameter> is the ioctl name. Drivers must define
-	  the DRM_##ioctl and DRM_IOCTL_##ioctl macros to the ioctl number
-	  offset from DRM_COMMAND_BASE and the ioctl number respectively. The
-	  first macro is private to the device while the second must be exposed
-	  to userspace in a public header.
-	</para>
-	<para>
-	  <parameter>func</parameter> is a pointer to the ioctl handler function
-	  compatible with the <type>drm_ioctl_t</type> type.
-	  <programlisting>typedef int drm_ioctl_t(struct drm_device *dev, void *data,
-		struct drm_file *file_priv);</programlisting>
-	</para>
-	<para>
-	  <parameter>flags</parameter> is a bitmask combination of the following
-	  values. It restricts how the ioctl is allowed to be called.
-	  <itemizedlist>
-	    <listitem><para>
-	      DRM_AUTH - Only authenticated callers allowed
-	    </para></listitem>
-	    <listitem><para>
-	      DRM_MASTER - The ioctl can only be called on the master file
-	      handle
-	    </para></listitem>
-            <listitem><para>
-	      DRM_ROOT_ONLY - Only callers with the SYSADMIN capability allowed
-	    </para></listitem>
-            <listitem><para>
-	      DRM_CONTROL_ALLOW - The ioctl can only be called on a control
-	      device
-	    </para></listitem>
-            <listitem><para>
-	      DRM_UNLOCKED - The ioctl handler will be called without locking
-	      the DRM global mutex. This is the enforced default for kms drivers
-	      (i.e. using the DRIVER_MODESET flag) and hence shouldn't be used
-	      any more for new drivers.
-	    </para></listitem>
-	  </itemizedlist>
-	</para>
-      </para>
-!Edrivers/gpu/drm/drm_ioctl.c
-    </sect2>
-  </sect1>
-  <sect1>
-    <title>Legacy Support Code</title>
-    <para>
-      The section very briefly covers some of the old legacy support code which
-      is only used by old DRM drivers which have done a so-called shadow-attach
-      to the underlying device instead of registering as a real driver. This
-      also includes some of the old generic buffer management and command
-      submission code. Do not use any of this in new and modern drivers.
-    </para>
-
-    <sect2>
-      <title>Legacy Suspend/Resume</title>
-      <para>
-	The DRM core provides some suspend/resume code, but drivers wanting full
-	suspend/resume support should provide save() and restore() functions.
-	These are called at suspend, hibernate, or resume time, and should perform
-	any state save or restore required by your device across suspend or
-	hibernate states.
-      </para>
-      <synopsis>int (*suspend) (struct drm_device *, pm_message_t state);
-  int (*resume) (struct drm_device *);</synopsis>
-      <para>
-	Those are legacy suspend and resume methods which
-	<emphasis>only</emphasis> work with the legacy shadow-attach driver
-	registration functions. New driver should use the power management
-	interface provided by their bus type (usually through
-	the struct <structname>device_driver</structname> dev_pm_ops) and set
-	these methods to NULL.
-      </para>
-    </sect2>
-
-    <sect2>
-      <title>Legacy DMA Services</title>
-      <para>
-	This should cover how DMA mapping etc. is supported by the core.
-	These functions are deprecated and should not be used.
-      </para>
-    </sect2>
-  </sect1>
-  </chapter>
-
-<!-- TODO
-
-- Add a glossary
-- Document the struct_mutex catch-all lock
-- Document connector properties
-
-- Why is the load method optional?
-- What are drivers supposed to set the initial display state to, and how?
-  Connector's DPMS states are not initialized and are thus equal to
-  DRM_MODE_DPMS_ON. The fbcon compatibility layer calls
-  drm_helper_disable_unused_functions(), which disables unused encoders and
-  CRTCs, but doesn't touch the connectors' DPMS state, and
-  drm_helper_connector_dpms() in reaction to fbdev blanking events. Do drivers
-  that don't implement (or just don't use) fbcon compatibility need to call
-  those functions themselves?
-- KMS drivers must call drm_vblank_pre_modeset() and drm_vblank_post_modeset()
-  around mode setting. Should this be done in the DRM core?
-- vblank_disable_allowed is set to 1 in the first drm_vblank_post_modeset()
-  call and never set back to 0. It seems to be safe to permanently set it to 1
-  in drm_vblank_init() for KMS driver, and it might be safe for UMS drivers as
-  well. This should be investigated.
-- crtc and connector .save and .restore operations are only used internally in
-  drivers, should they be removed from the core?
-- encoder mid-layer .save and .restore operations are only used internally in
-  drivers, should they be removed from the core?
-- encoder mid-layer .detect operation is only used internally in drivers,
-  should it be removed from the core?
--->
-
-  <!-- External interfaces -->
-
-  <chapter id="drmExternals">
-    <title>Userland interfaces</title>
-    <para>
-      The DRM core exports several interfaces to applications,
-      generally intended to be used through corresponding libdrm
-      wrapper functions.  In addition, drivers export device-specific
-      interfaces for use by userspace drivers &amp; device-aware
-      applications through ioctls and sysfs files.
-    </para>
-    <para>
-      External interfaces include: memory mapping, context management,
-      DMA operations, AGP management, vblank control, fence
-      management, memory management, and output management.
-    </para>
-    <para>
-      Cover generic ioctls and sysfs layout here.  We only need high-level
-      info, since man pages should cover the rest.
-    </para>
-
-  <!-- External: render nodes -->
-
-    <sect1>
-      <title>Render nodes</title>
-      <para>
-        DRM core provides multiple character-devices for user-space to use.
-        Depending on which device is opened, user-space can perform a different
-        set of operations (mainly ioctls). The primary node is always created
-        and called card&lt;num&gt;. Additionally, a currently
-        unused control node, called controlD&lt;num&gt; is also
-        created. The primary node provides all legacy operations and
-        historically was the only interface used by userspace. With KMS, the
-        control node was introduced. However, the planned KMS control interface
-        has never been written and so the control node stays unused to date.
-      </para>
-      <para>
-        With the increased use of offscreen renderers and GPGPU applications,
-        clients no longer require running compositors or graphics servers to
-        make use of a GPU. But the DRM API required unprivileged clients to
-        authenticate to a DRM-Master prior to getting GPU access. To avoid this
-        step and to grant clients GPU access without authenticating, render
-        nodes were introduced. Render nodes solely serve render clients, that
-        is, no modesetting or privileged ioctls can be issued on render nodes.
-        Only non-global rendering commands are allowed. If a driver supports
-        render nodes, it must advertise it via the DRIVER_RENDER
-        DRM driver capability. If not supported, the primary node must be used
-        for render clients together with the legacy drmAuth authentication
-        procedure.
-      </para>
-      <para>
-        If a driver advertises render node support, DRM core will create a
-        separate render node called renderD&lt;num&gt;. There will
-        be one render node per device. No ioctls except  PRIME-related ioctls
-        will be allowed on this node. Especially GEM_OPEN will be
-        explicitly prohibited. Render nodes are designed to avoid the
-        buffer-leaks, which occur if clients guess the flink names or mmap
-        offsets on the legacy interface. Additionally to this basic interface,
-        drivers must mark their driver-dependent render-only ioctls as
-        DRM_RENDER_ALLOW so render clients can use them. Driver
-        authors must be careful not to allow any privileged ioctls on render
-        nodes.
-      </para>
-      <para>
-        With render nodes, user-space can now control access to the render node
-        via basic file-system access-modes. A running graphics server which
-        authenticates clients on the privileged primary/legacy node is no longer
-        required. Instead, a client can open the render node and is immediately
-        granted GPU access. Communication between clients (or servers) is done
-        via PRIME. FLINK from render node to legacy node is not supported. New
-        clients must not use the insecure FLINK interface.
-      </para>
-      <para>
-        Besides dropping all modeset/global ioctls, render nodes also drop the
-        DRM-Master concept. There is no reason to associate render clients with
-        a DRM-Master as they are independent of any graphics server. Besides,
-        they must work without any running master, anyway.
-        Drivers must be able to run without a master object if they support
-        render nodes. If, on the other hand, a driver requires shared state
-        between clients which is visible to user-space and accessible beyond
-        open-file boundaries, they cannot support render nodes.
-      </para>
-    </sect1>
-
-  <!-- External: vblank handling -->
-
-    <sect1>
-      <title>VBlank event handling</title>
-      <para>
-        The DRM core exposes two vertical blank related ioctls:
-        <variablelist>
-          <varlistentry>
-            <term>DRM_IOCTL_WAIT_VBLANK</term>
-            <listitem>
-              <para>
-                This takes a struct drm_wait_vblank structure as its argument,
-                and it is used to block or request a signal when a specified
-                vblank event occurs.
-              </para>
-            </listitem>
-          </varlistentry>
-          <varlistentry>
-            <term>DRM_IOCTL_MODESET_CTL</term>
-            <listitem>
-              <para>
-		This was only used for user-mode-settind drivers around
-		modesetting changes to allow the kernel to update the vblank
-		interrupt after mode setting, since on many devices the vertical
-		blank counter is reset to 0 at some point during modeset. Modern
-		drivers should not call this any more since with kernel mode
-		setting it is a no-op.
-              </para>
-            </listitem>
-          </varlistentry>
-        </variablelist>
-      </para>
-    </sect1>
-
-  </chapter>
-</part>
-<part id="drmDrivers">
-  <title>DRM Drivers</title>
-
-  <partintro>
-    <para>
-      This second part of the GPU Driver Developer's Guide documents driver
-      code, implementation details and also all the driver-specific userspace
-      interfaces. Especially since all hardware-acceleration interfaces to
-      userspace are driver specific for efficiency and other reasons these
-      interfaces can be rather substantial. Hence every driver has its own
-      chapter.
-    </para>
-  </partintro>
-
-  <chapter id="drmI915">
-    <title>drm/i915 Intel GFX Driver</title>
-    <para>
-      The drm/i915 driver supports all (with the exception of some very early
-      models) integrated GFX chipsets with both Intel display and rendering
-      blocks. This excludes a set of SoC platforms with an SGX rendering unit,
-      those have basic support through the gma500 drm driver.
-    </para>
-    <sect1>
-      <title>Core Driver Infrastructure</title>
-      <para>
-	This section covers core driver infrastructure used by both the display
-	and the GEM parts of the driver.
-      </para>
-      <sect2>
-        <title>Runtime Power Management</title>
-!Pdrivers/gpu/drm/i915/intel_runtime_pm.c runtime pm
-!Idrivers/gpu/drm/i915/intel_runtime_pm.c
-!Idrivers/gpu/drm/i915/intel_uncore.c
-      </sect2>
-      <sect2>
-        <title>Interrupt Handling</title>
-!Pdrivers/gpu/drm/i915/i915_irq.c interrupt handling
-!Fdrivers/gpu/drm/i915/i915_irq.c intel_irq_init intel_irq_init_hw intel_hpd_init
-!Fdrivers/gpu/drm/i915/i915_irq.c intel_runtime_pm_disable_interrupts
-!Fdrivers/gpu/drm/i915/i915_irq.c intel_runtime_pm_enable_interrupts
-      </sect2>
-      <sect2>
-        <title>Intel GVT-g Guest Support(vGPU)</title>
-!Pdrivers/gpu/drm/i915/i915_vgpu.c Intel GVT-g guest support
-!Idrivers/gpu/drm/i915/i915_vgpu.c
-      </sect2>
-    </sect1>
-    <sect1>
-      <title>Display Hardware Handling</title>
-      <para>
-        This section covers everything related to the display hardware including
-        the mode setting infrastructure, plane, sprite and cursor handling and
-        display, output probing and related topics.
-      </para>
-      <sect2>
-        <title>Mode Setting Infrastructure</title>
-        <para>
-          The i915 driver is thus far the only DRM driver which doesn't use the
-          common DRM helper code to implement mode setting sequences. Thus it
-          has its own tailor-made infrastructure for executing a display
-          configuration change.
-        </para>
-      </sect2>
-      <sect2>
-        <title>Frontbuffer Tracking</title>
-!Pdrivers/gpu/drm/i915/intel_frontbuffer.c frontbuffer tracking
-!Idrivers/gpu/drm/i915/intel_frontbuffer.c
-!Fdrivers/gpu/drm/i915/i915_gem.c i915_gem_track_fb
-      </sect2>
-      <sect2>
-        <title>Display FIFO Underrun Reporting</title>
-!Pdrivers/gpu/drm/i915/intel_fifo_underrun.c fifo underrun handling
-!Idrivers/gpu/drm/i915/intel_fifo_underrun.c
-      </sect2>
-      <sect2>
-        <title>Plane Configuration</title>
-        <para>
-	  This section covers plane configuration and composition with the
-	  primary plane, sprites, cursors and overlays. This includes the
-	  infrastructure to do atomic vsync'ed updates of all this state and
-	  also tightly coupled topics like watermark setup and computation,
-	  framebuffer compression and panel self refresh.
-        </para>
-      </sect2>
-      <sect2>
-        <title>Atomic Plane Helpers</title>
-!Pdrivers/gpu/drm/i915/intel_atomic_plane.c atomic plane helpers
-!Idrivers/gpu/drm/i915/intel_atomic_plane.c
-      </sect2>
-      <sect2>
-        <title>Output Probing</title>
-        <para>
-	  This section covers output probing and related infrastructure like the
-	  hotplug interrupt storm detection and mitigation code. Note that the
-	  i915 driver still uses most of the common DRM helper code for output
-	  probing, so those sections fully apply.
-        </para>
-      </sect2>
-      <sect2>
-        <title>Hotplug</title>
-!Pdrivers/gpu/drm/i915/intel_hotplug.c Hotplug
-!Idrivers/gpu/drm/i915/intel_hotplug.c
-      </sect2>
-      <sect2>
-	<title>High Definition Audio</title>
-!Pdrivers/gpu/drm/i915/intel_audio.c High Definition Audio over HDMI and Display Port
-!Idrivers/gpu/drm/i915/intel_audio.c
-!Iinclude/drm/i915_component.h
-      </sect2>
-      <sect2>
-	<title>Panel Self Refresh PSR (PSR/SRD)</title>
-!Pdrivers/gpu/drm/i915/intel_psr.c Panel Self Refresh (PSR/SRD)
-!Idrivers/gpu/drm/i915/intel_psr.c
-      </sect2>
-      <sect2>
-	<title>Frame Buffer Compression (FBC)</title>
-!Pdrivers/gpu/drm/i915/intel_fbc.c Frame Buffer Compression (FBC)
-!Idrivers/gpu/drm/i915/intel_fbc.c
-      </sect2>
-      <sect2>
-        <title>Display Refresh Rate Switching (DRRS)</title>
-!Pdrivers/gpu/drm/i915/intel_dp.c Display Refresh Rate Switching (DRRS)
-!Fdrivers/gpu/drm/i915/intel_dp.c intel_dp_set_drrs_state
-!Fdrivers/gpu/drm/i915/intel_dp.c intel_edp_drrs_enable
-!Fdrivers/gpu/drm/i915/intel_dp.c intel_edp_drrs_disable
-!Fdrivers/gpu/drm/i915/intel_dp.c intel_edp_drrs_invalidate
-!Fdrivers/gpu/drm/i915/intel_dp.c intel_edp_drrs_flush
-!Fdrivers/gpu/drm/i915/intel_dp.c intel_dp_drrs_init
-
-      </sect2>
-      <sect2>
-        <title>DPIO</title>
-!Pdrivers/gpu/drm/i915/i915_reg.h DPIO
-      </sect2>
-
-      <sect2>
-       <title>CSR firmware support for DMC</title>
-!Pdrivers/gpu/drm/i915/intel_csr.c csr support for dmc
-!Idrivers/gpu/drm/i915/intel_csr.c
-      </sect2>
-      <sect2>
-	<title>Video BIOS Table (VBT)</title>
-!Pdrivers/gpu/drm/i915/intel_bios.c Video BIOS Table (VBT)
-!Idrivers/gpu/drm/i915/intel_bios.c
-!Idrivers/gpu/drm/i915/intel_vbt_defs.h
-      </sect2>
-    </sect1>
-
-    <sect1>
-      <title>Memory Management and Command Submission</title>
-      <para>
-	This sections covers all things related to the GEM implementation in the
-	i915 driver.
-      </para>
-      <sect2>
-        <title>Batchbuffer Parsing</title>
-!Pdrivers/gpu/drm/i915/i915_cmd_parser.c batch buffer command parser
-!Idrivers/gpu/drm/i915/i915_cmd_parser.c
-      </sect2>
-      <sect2>
-        <title>Batchbuffer Pools</title>
-!Pdrivers/gpu/drm/i915/i915_gem_batch_pool.c batch pool
-!Idrivers/gpu/drm/i915/i915_gem_batch_pool.c
-      </sect2>
-      <sect2>
-        <title>Logical Rings, Logical Ring Contexts and Execlists</title>
-!Pdrivers/gpu/drm/i915/intel_lrc.c Logical Rings, Logical Ring Contexts and Execlists
-!Idrivers/gpu/drm/i915/intel_lrc.c
-      </sect2>
-      <sect2>
-        <title>Global GTT views</title>
-!Pdrivers/gpu/drm/i915/i915_gem_gtt.c Global GTT views
-!Idrivers/gpu/drm/i915/i915_gem_gtt.c
-      </sect2>
-      <sect2>
-        <title>GTT Fences and Swizzling</title>
-!Idrivers/gpu/drm/i915/i915_gem_fence.c
-        <sect3>
-          <title>Global GTT Fence Handling</title>
-!Pdrivers/gpu/drm/i915/i915_gem_fence.c fence register handling
-        </sect3>
-        <sect3>
-          <title>Hardware Tiling and Swizzling Details</title>
-!Pdrivers/gpu/drm/i915/i915_gem_fence.c tiling swizzling details
-        </sect3>
-      </sect2>
-      <sect2>
-        <title>Object Tiling IOCTLs</title>
-!Idrivers/gpu/drm/i915/i915_gem_tiling.c
-!Pdrivers/gpu/drm/i915/i915_gem_tiling.c buffer object tiling
-      </sect2>
-      <sect2>
-        <title>Buffer Object Eviction</title>
-	<para>
-	  This section documents the interface functions for evicting buffer
-	  objects to make space available in the virtual gpu address spaces.
-	  Note that this is mostly orthogonal to shrinking buffer objects
-	  caches, which has the goal to make main memory (shared with the gpu
-	  through the unified memory architecture) available.
-	</para>
-!Idrivers/gpu/drm/i915/i915_gem_evict.c
-      </sect2>
-      <sect2>
-        <title>Buffer Object Memory Shrinking</title>
-	<para>
-	  This section documents the interface function for shrinking memory
-	  usage of buffer object caches. Shrinking is used to make main memory
-	  available.  Note that this is mostly orthogonal to evicting buffer
-	  objects, which has the goal to make space in gpu virtual address
-	  spaces.
-	</para>
-!Idrivers/gpu/drm/i915/i915_gem_shrinker.c
-      </sect2>
-    </sect1>
-    <sect1>
-      <title>GuC</title>
-      <sect2>
-        <title>GuC-specific firmware loader</title>
-!Pdrivers/gpu/drm/i915/intel_guc_loader.c GuC-specific firmware loader
-!Idrivers/gpu/drm/i915/intel_guc_loader.c
-      </sect2>
-      <sect2>
-        <title>GuC-based command submission</title>
-!Pdrivers/gpu/drm/i915/i915_guc_submission.c GuC-based command submission
-!Idrivers/gpu/drm/i915/i915_guc_submission.c
-      </sect2>
-      <sect2>
-        <title>GuC Firmware Layout</title>
-!Pdrivers/gpu/drm/i915/intel_guc_fwif.h GuC Firmware Layout
-      </sect2>
-    </sect1>
-
-    <sect1>
-      <title> Tracing </title>
-      <para>
-    This sections covers all things related to the tracepoints implemented in
-    the i915 driver.
-      </para>
-      <sect2>
-        <title> i915_ppgtt_create and i915_ppgtt_release </title>
-!Pdrivers/gpu/drm/i915/i915_trace.h i915_ppgtt_create and i915_ppgtt_release tracepoints
-      </sect2>
-      <sect2>
-        <title> i915_context_create and i915_context_free </title>
-!Pdrivers/gpu/drm/i915/i915_trace.h i915_context_create and i915_context_free tracepoints
-      </sect2>
-      <sect2>
-        <title> switch_mm </title>
-!Pdrivers/gpu/drm/i915/i915_trace.h switch_mm tracepoint
-      </sect2>
-    </sect1>
-
-  </chapter>
-!Cdrivers/gpu/drm/i915/i915_irq.c
-</part>
-
-<part id="vga_switcheroo">
-  <title>vga_switcheroo</title>
-  <partintro>
-!Pdrivers/gpu/vga/vga_switcheroo.c Overview
-  </partintro>
-
-  <chapter id="modes_of_use">
-    <title>Modes of Use</title>
-    <sect1>
-      <title>Manual switching and manual power control</title>
-!Pdrivers/gpu/vga/vga_switcheroo.c Manual switching and manual power control
-    </sect1>
-    <sect1>
-      <title>Driver power control</title>
-!Pdrivers/gpu/vga/vga_switcheroo.c Driver power control
-    </sect1>
-  </chapter>
-
-  <chapter id="api">
-    <title>API</title>
-    <sect1>
-      <title>Public functions</title>
-!Edrivers/gpu/vga/vga_switcheroo.c
-    </sect1>
-    <sect1>
-      <title>Public structures</title>
-!Finclude/linux/vga_switcheroo.h vga_switcheroo_handler
-!Finclude/linux/vga_switcheroo.h vga_switcheroo_client_ops
-    </sect1>
-    <sect1>
-      <title>Public constants</title>
-!Finclude/linux/vga_switcheroo.h vga_switcheroo_handler_flags_t
-!Finclude/linux/vga_switcheroo.h vga_switcheroo_client_id
-!Finclude/linux/vga_switcheroo.h vga_switcheroo_state
-    </sect1>
-    <sect1>
-      <title>Private structures</title>
-!Fdrivers/gpu/vga/vga_switcheroo.c vgasr_priv
-!Fdrivers/gpu/vga/vga_switcheroo.c vga_switcheroo_client
-    </sect1>
-  </chapter>
-
-  <chapter id="handlers">
-    <title>Handlers</title>
-    <sect1>
-      <title>apple-gmux Handler</title>
-!Pdrivers/platform/x86/apple-gmux.c Overview
-!Pdrivers/platform/x86/apple-gmux.c Interrupt
-      <sect2>
-        <title>Graphics mux</title>
-!Pdrivers/platform/x86/apple-gmux.c Graphics mux
-      </sect2>
-      <sect2>
-        <title>Power control</title>
-!Pdrivers/platform/x86/apple-gmux.c Power control
-      </sect2>
-      <sect2>
-        <title>Backlight control</title>
-!Pdrivers/platform/x86/apple-gmux.c Backlight control
-      </sect2>
-      <sect2>
-        <title>Public functions</title>
-!Iinclude/linux/apple-gmux.h
-      </sect2>
-    </sect1>
-  </chapter>
-
-!Cdrivers/gpu/vga/vga_switcheroo.c
-!Cinclude/linux/vga_switcheroo.h
-!Cdrivers/platform/x86/apple-gmux.c
-</part>
-
-</book>

Documentation/DocBook/iio.tmpl

@@ -594,7 +594,7 @@
 
     irqreturn_t sensor_iio_pollfunc(int irq, void *p)
     {
-        pf->timestamp = iio_get_time_ns();
+        pf->timestamp = iio_get_time_ns((struct indio_dev *)p);
         return IRQ_WAKE_THREAD;
     }
 

Documentation/DocBook/kernel-hacking.tmpl

@@ -483,7 +483,7 @@ printk(KERN_INFO "my ip: %pI4\n", &ipaddress);
     <function>get_user()</function>
     /
     <function>put_user()</function>
-    <filename class="headerfile">include/asm/uaccess.h</filename>
+    <filename class="headerfile">include/linux/uaccess.h</filename>
    </title>  
 
    <para>

Documentation/DocBook/media/.gitignore

@@ -1 +0,0 @@
-!*.svg

Documentation/DocBook/media/Makefile

@@ -1,425 +0,0 @@
-###
-# Media build rules - Auto-generates media contents/indexes and *.h xml's
-#
-
-SHELL=/bin/bash
-
-MEDIA_OBJ_DIR=$(objtree)/Documentation/DocBook/
-MEDIA_SRC_DIR=$(srctree)/Documentation/DocBook/media
-
-MEDIA_TEMP =  media-entities.tmpl \
-	      media-indices.tmpl \
-	      videodev2.h.xml \
-	      v4l2.xml \
-	      audio.h.xml \
-	      ca.h.xml \
-	      dmx.h.xml \
-	      frontend.h.xml \
-	      net.h.xml \
-	      video.h.xml \
-
-IMGFILES := $(patsubst %.b64,%, $(notdir $(shell ls $(MEDIA_SRC_DIR)/*.b64)))
-OBJIMGFILES := $(addprefix $(MEDIA_OBJ_DIR)/, $(IMGFILES))
-GENFILES := $(addprefix $(MEDIA_OBJ_DIR)/, $(MEDIA_TEMP))
-
-PHONY += cleanmediadocs
-
-cleanmediadocs:
-	-@rm -f `find $(MEDIA_OBJ_DIR) -type l` $(GENFILES) $(OBJIMGFILES) 2>/dev/null
-
-$(obj)/media_api.xml: $(GENFILES) FORCE
-
-#$(MEDIA_OBJ_DIR)/media_api.html: $(MEDIA_OBJ_DIR)/media_api.xml
-#$(MEDIA_OBJ_DIR)/media_api.pdf: $(MEDIA_OBJ_DIR)/media_api.xml
-#$(MEDIA_OBJ_DIR)/media_api.ps: $(MEDIA_OBJ_DIR)/media_api.xml
-
-V4L_SGMLS = \
-	$(shell ls $(MEDIA_SRC_DIR)/v4l/*.xml|perl -ne 'print "$$1 " if (m,.*/(.*)\n,)') \
-	capture.c.xml \
-	keytable.c.xml \
-	v4l2grab.c.xml
-
-DVB_SGMLS = \
-	$(shell ls $(MEDIA_SRC_DIR)/dvb/*.xml|perl -ne 'print "$$1 " if (m,.*/(.*)\n,)')
-
-MEDIA_SGMLS =  $(addprefix ./,$(V4L_SGMLS)) $(addprefix ./,$(DVB_SGMLS)) $(addprefix ./,$(MEDIA_TEMP))
-
-FUNCS = \
-	close \
-	ioctl \
-	mmap \
-	munmap \
-	open \
-	poll \
-	read \
-	select \
-	write \
-
-IOCTLS = \
-	$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/videodev2.h) \
-	$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/audio.h) \
-	$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/ca.h) \
-	$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/dmx.h) \
-	$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/frontend.h) \
-	$(shell perl -ne 'print "$$1 " if /\#define\s+([A-Z][^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/net.h) \
-	$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/dvb/video.h) \
-	$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/media.h) \
-	$(shell perl -ne 'print "$$1 " if /\#define\s+([^\s]+)\s+_IO/' $(srctree)/include/uapi/linux/v4l2-subdev.h) \
-
-DEFINES = \
-	$(shell perl -ne 'print "$$1 " if /\#define\s+(DTV_[^\s]+)\s+/' $(srctree)/include/uapi/linux/dvb/frontend.h) \
-
-TYPES = \
-	$(shell perl -ne 'print "$$1 " if /^typedef\s+.*\s+(\S+)\;/' $(srctree)/include/uapi/linux/videodev2.h) \
-	$(shell perl -ne 'print "$$1 " if /^typedef\s+.*\s+(\S+)\;/' $(srctree)/include/uapi/linux/dvb/frontend.h)
-
-ENUMS = \
-	$(shell perl -ne 'print "$$1 " if /^enum\s+([^\s]+)\s+/' \
-		$(srctree)/include/uapi/linux/videodev2.h \
-		$(srctree)/include/uapi/linux/dvb/audio.h \
-		$(srctree)/include/uapi/linux/dvb/ca.h \
-		$(srctree)/include/uapi/linux/dvb/dmx.h \
-		$(srctree)/include/uapi/linux/dvb/frontend.h \
-		$(srctree)/include/uapi/linux/dvb/net.h \
-		$(srctree)/include/uapi/linux/dvb/video.h \
-		$(srctree)/include/uapi/linux/media.h \
-		$(srctree)/include/uapi/linux/v4l2-mediabus.h \
-		$(srctree)/include/uapi/linux/v4l2-subdev.h)
-
-ENUM_DEFS = \
-	$(shell perl -e 'open IN,"cat @ARGV| cpp -fpreprocessed |"; while (<IN>) { if ($$enum) {print "$$1\n" if (/\s*([A-Z]\S+)\b/); } $$enum = 0 if ($$enum && /^\}/); $$enum = 1 if(/^\s*enum\s/); }; close IN;' \
-		$(srctree)/include/uapi/linux/dvb/dmx.h \
-		$(srctree)/include/uapi/linux/dvb/frontend.h)
-
-STRUCTS = \
-	$(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/videodev2.h) \
-	$(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s\{]+)\s*/)' $(srctree)/include/uapi/linux/dvb/audio.h) \
-	$(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s]+)\s+/)' $(srctree)/include/uapi/linux/dvb/ca.h) \
-	$(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s]+)\s+/)' $(srctree)/include/uapi/linux/dvb/dmx.h) \
-	$(shell perl -ne 'print "$$1 " if (!/dtv\_cmds\_h/ && /^struct\s+([^\s]+)\s+/)' $(srctree)/include/uapi/linux/dvb/frontend.h) \
-	$(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s]+)\s+/ && !/_old/)' $(srctree)/include/uapi/linux/dvb/net.h) \
-	$(shell perl -ne 'print "$$1 " if (/^struct\s+([^\s]+)\s+/)' $(srctree)/include/uapi/linux/dvb/video.h) \
-	$(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/media.h) \
-	$(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/v4l2-subdev.h) \
-	$(shell perl -ne 'print "$$1 " if /^struct\s+([^\s]+)\s+/' $(srctree)/include/uapi/linux/v4l2-mediabus.h)
-
-ERRORS = \
-	E2BIG \
-	EACCES \
-	EAGAIN \
-	EBADF \
-	EBADFD \
-	EBADR \
-	EBADRQC \
-	EBUSY \
-	ECHILD \
-	ECONNRESET \
-	EDEADLK \
-	EDOM \
-	EEXIST \
-	EFAULT \
-	EFBIG \
-	EILSEQ \
-	EINIT \
-	EINPROGRESS \
-	EINTR \
-	EINVAL \
-	EIO \
-	EMFILE \
-	ENFILE \
-	ENOBUFS \
-	ENODATA \
-	ENODEV \
-	ENOENT \
-	ENOIOCTLCMD \
-	ENOMEM \
-	ENOSPC \
-	ENOSR \
-	ENOSYS \
-	ENOTSUP \
-	ENOTSUPP \
-	ENOTTY \
-	ENXIO \
-	EOPNOTSUPP \
-	EOVERFLOW \
-	EPERM \
-	EPIPE \
-	EPROTO \
-	ERANGE \
-	EREMOTE \
-	EREMOTEIO \
-	ERESTART \
-	ERESTARTSYS \
-	ESHUTDOWN \
-	ESPIPE \
-	ETIME \
-	ETIMEDOUT \
-	EUSERS \
-	EWOULDBLOCK \
-	EXDEV \
-
-ESCAPE = \
-	-e "s/&/\\&amp;/g" \
-	-e "s/</\\&lt;/g" \
-	-e "s/>/\\&gt;/g"
-
-FILENAME = \
-	-e s,"^[^\/]*/",, \
-	-e s/"\\.xml"// \
-	-e s/"\\.tmpl"// \
-	-e s/\\\./-/g \
-	-e s/"^func-"// \
-	-e s/"^pixfmt-"// \
-	-e s/"^vidioc-"//
-
-# Generate references to these structs in videodev2.h.xml.
-DOCUMENTED = \
-	-e "s/\(enum *\)v4l2_mpeg_cx2341x_video_\([a-z]*_spatial_filter_type\)/\1<link linkend=\"\2\">v4l2_mpeg_cx2341x_video_\2<\/link>/g" \
-	-e "s/\(\(enum\|struct\) *\)\(v4l2_[a-zA-Z0-9_]*\)/\1<link linkend=\"\3\">\3<\/link>/g" \
-	-e "s/\(V4L2_PIX_FMT_[A-Z0-9_]\+\)\(\s\+v4l2_fourcc\)/<link linkend=\"\1\">\1<\/link>\2/g" \
-	-e ":a;s/\(linkend=\".*\)_\(.*\">\)/\1-\2/;ta" \
-	-e "s/v4l2\-mpeg\-vbi\-ITV0/v4l2-mpeg-vbi-itv0-1/g"
-
-DVB_DOCUMENTED = \
-	-e "s,\(struct\s\+\)\([a-z0-9_]\+\)\(\s\+{\),\1\<link linkend=\"\2\">\2\<\/link\>\3,g" \
-	-e "s,\(}\s\+\)\([a-z0-9_]\+_t\+\),\1\<link linkend=\"\2\">\2\<\/link\>,g" \
-	-e "s,\(define\s\+\)\(DTV_[A-Z0-9_]\+\)\(\s\+[0-9]\+\),\1\<link linkend=\"\2\">\2\<\/link\>\3,g" \
-	-e "s,<link\s\+linkend=\".*\">\(DTV_IOCTL_MAX_MSGS\|dtv_cmds_h\|__.*_old\)<\/link>,\1,g" \
-	-e ":a;s/\(linkend=\".*\)_\(.*\">\)/\1-\2/;ta" \
-	-e "s,\(audio-mixer\|audio-karaoke\|audio-status\|ca-slot-info\|ca-descr-info\|ca-caps\|ca-msg\|ca-descr\|ca-pid\|dmx-filter\|dmx-caps\|video-system\|video-highlight\|video-spu\|video-spu-palette\|video-navi-pack\)-t,\1,g" \
-	-e "s,DTV-ISDBT-LAYER[A-C],DTV-ISDBT-LAYER,g" \
-	-e "s,\(define\s\+\)\([A-Z0-9_]\+\)\(\s\+_IO\),\1\<link linkend=\"\2\">\2\<\/link\>\3,g" \
-	-e "s,\(define\s\+\)\(DTV_[A-Z0-9_]\+\)\(\s\+\),\1\<link linkend=\"\2\">\2\<\/link\>\3,g" \
-	-e "s,<link\s\+linkend=\".*\">\(__.*_OLD\)<\/link>,\1,g" \
-	-e "s/\(linkend\=\"\)FE_SET_PROPERTY/\1FE_GET_PROPERTY/g" \
-	-e "s,<link\s\+linkend=\".*\">\(DTV_ISDBS_TS_ID_LEGACY\|DTV_MAX_COMMAND\|DTV_IOCTL_MAX_MSGS\)<\/link>,\1,g" \
-
-#
-# Media targets and dependencies
-#
-
-install_media_images = \
-	$(Q)if [ "x$(findstring media_api.xml,$(DOCBOOKS))" != "x" ]; then \
-		mkdir -p $(MEDIA_OBJ_DIR)/media_api; \
-		cp $(OBJIMGFILES) $(MEDIA_SRC_DIR)/*.svg $(MEDIA_SRC_DIR)/v4l/*.svg $(MEDIA_OBJ_DIR)/media_api; \
-	fi
-
-$(MEDIA_OBJ_DIR)/%: $(MEDIA_SRC_DIR)/%.b64
-	$(Q)base64 -d $< >$@
-
-$(MEDIA_OBJ_DIR)/v4l2.xml: $(OBJIMGFILES)
-	@$($(quiet)gen_xml)
-	@(ln -sf `cd $(MEDIA_SRC_DIR) && /bin/pwd`/v4l/*xml $(MEDIA_OBJ_DIR)/)
-	@(ln -sf `cd $(MEDIA_SRC_DIR) && /bin/pwd`/dvb/*xml $(MEDIA_OBJ_DIR)/)
-
-$(MEDIA_OBJ_DIR)/videodev2.h.xml: $(srctree)/include/uapi/linux/videodev2.h $(MEDIA_OBJ_DIR)/v4l2.xml
-	@$($(quiet)gen_xml)
-	@(					\
-	echo "<programlisting>") > $@
-	@(					\
-	expand --tabs=8 < $< |			\
-	  sed $(ESCAPE) $(DOCUMENTED) |		\
-	  sed 's/i\.e\./&ie;/') >> $@
-	@(					\
-	echo "</programlisting>") >> $@
-
-$(MEDIA_OBJ_DIR)/audio.h.xml: $(srctree)/include/uapi/linux/dvb/audio.h $(MEDIA_OBJ_DIR)/v4l2.xml
-	@$($(quiet)gen_xml)
-	@(					\
-	echo "<programlisting>") > $@
-	@(					\
-	expand --tabs=8 < $< |			\
-	  sed $(ESCAPE) $(DVB_DOCUMENTED) |	\
-	  sed 's/i\.e\./&ie;/') >> $@
-	@(					\
-	echo "</programlisting>") >> $@
-
-$(MEDIA_OBJ_DIR)/ca.h.xml: $(srctree)/include/uapi/linux/dvb/ca.h $(MEDIA_OBJ_DIR)/v4l2.xml
-	@$($(quiet)gen_xml)
-	@(					\
-	echo "<programlisting>") > $@
-	@(					\
-	expand --tabs=8 < $< |			\
-	  sed $(ESCAPE) $(DVB_DOCUMENTED) |	\
-	  sed 's/i\.e\./&ie;/') >> $@
-	@(					\
-	echo "</programlisting>") >> $@
-
-$(MEDIA_OBJ_DIR)/dmx.h.xml: $(srctree)/include/uapi/linux/dvb/dmx.h $(MEDIA_OBJ_DIR)/v4l2.xml
-	@$($(quiet)gen_xml)
-	@(					\
-	echo "<programlisting>") > $@
-	@(					\
-	for ident in $(ENUM_DEFS) ; do		\
-	  entity=`echo $$ident | tr _ -` ;	\
-	  r="$$r s/([^\w\-])$$ident([^\w\-])/\1\&$$entity\;\2/g;";\
-	done;					\
-	expand --tabs=8 < $< |			\
-	  sed $(ESCAPE) $(DVB_DOCUMENTED) |	\
-	  sed 's/i\.e\./&ie;/' |		\
-	  perl -ne "$$r print $$_;") >> $@
-	@(					\
-	echo "</programlisting>") >> $@
-
-$(MEDIA_OBJ_DIR)/frontend.h.xml: $(srctree)/include/uapi/linux/dvb/frontend.h $(MEDIA_OBJ_DIR)/v4l2.xml
-	@$($(quiet)gen_xml)
-	@(					\
-	echo "<programlisting>") > $@
-	@(					\
-	for ident in $(ENUM_DEFS) ; do		\
-	  entity=`echo $$ident | tr _ -` ;	\
-	  r="$$r s/([^\w\-])$$ident([^\w\-])/\1\&$$entity\;\2/g;";\
-	done;					\
-	expand --tabs=8 < $< |			\
-	  sed $(ESCAPE) $(DVB_DOCUMENTED) |	\
-	  sed 's/i\.e\./&ie;/' |		\
-	  perl -ne "$$r print $$_;") >> $@
-	@(					\
-	echo "</programlisting>") >> $@
-
-$(MEDIA_OBJ_DIR)/net.h.xml: $(srctree)/include/uapi/linux/dvb/net.h $(MEDIA_OBJ_DIR)/v4l2.xml
-	@$($(quiet)gen_xml)
-	@(					\
-	echo "<programlisting>") > $@
-	@(					\
-	expand --tabs=8 < $< |			\
-	  sed $(ESCAPE) $(DVB_DOCUMENTED) |	\
-	  sed 's/i\.e\./&ie;/') >> $@
-	@(					\
-	echo "</programlisting>") >> $@
-
-$(MEDIA_OBJ_DIR)/video.h.xml: $(srctree)/include/uapi/linux/dvb/video.h $(MEDIA_OBJ_DIR)/v4l2.xml
-	@$($(quiet)gen_xml)
-	@(					\
-	echo "<programlisting>") > $@
-	@(					\
-	expand --tabs=8 < $< |			\
-	  sed $(ESCAPE) $(DVB_DOCUMENTED) |	\
-	  sed 's/i\.e\./&ie;/') >> $@
-	@(					\
-	echo "</programlisting>") >> $@
-
-$(MEDIA_OBJ_DIR)/media-entities.tmpl: $(MEDIA_OBJ_DIR)/v4l2.xml
-	@$($(quiet)gen_xml)
-	@(								\
-	echo "<!-- Generated file! Do not edit. -->") >$@
-	@(								\
-	echo -e "\n<!-- Functions -->") >>$@
-	@(								\
-	for ident in $(FUNCS) ; do					\
-	  entity=`echo $$ident | tr _ -` ;				\
-	  echo "<!ENTITY func-$$entity \"<link"				\
-	    "linkend='func-$$entity'><function>$$ident()</function></link>\">" \
-	  >>$@ ;							\
-	done)
-	@(								\
-	echo -e "\n<!-- Ioctls -->") >>$@
-	@(								\
-	for ident in `echo $(IOCTLS) | sed -e "s,VIDIOC_RESERVED,,"`; do\
-	  entity=`echo $$ident | tr _ -` ;				\
-	  id=`grep -e "<refname>$$ident" -e "<section id=\"$$ident\"" $$(find $(MEDIA_SRC_DIR) -name *.xml -type f)| sed -r s,"^.*/(.*).xml.*","\1",` ; \
-	  if [ "$$id" != "" ]; then echo "<!ENTITY $$entity \"<link"	\
-	    "linkend='$$id'><constant>$$ident</constant></link>\">"	\
-	  >>$@ ; else							\
-		echo "Warning: undocumented ioctl: $$ident. Please document it at the media DocBook!" >&2;	\
-	  fi;								\
-	done)
-	@(								\
-	echo -e "\n<!-- Defines -->") >>$@
-	@(								\
-	for ident in $(DEFINES) ; do					\
-	  entity=`echo $$ident | tr _ -` ;				\
-	  echo "<!ENTITY $$entity \"<link"				\
-	    "linkend='$$entity'><constant>$$ident</constant></link>\">"	\
-	  >>$@ ;							\
-	done)
-	@(								\
-	echo -e "\n<!-- Types -->") >>$@
-	@(								\
-	for ident in $(TYPES) ; do					\
-	  entity=`echo $$ident | tr _ -` ;				\
-	  echo "<!ENTITY $$entity \"<link"				\
-	    "linkend='$$entity'>$$ident</link>\">" >>$@ ;		\
-	done)
-	@(								\
-	echo -e "\n<!-- Enums -->") >>$@
-	@(								\
-	for ident in $(ENUMS) ; do					\
-	  entity=`echo $$ident | sed -e "s/v4l2_mpeg_cx2341x_video_\([a-z]*_spatial_filter_type\)/\1/" | tr _ -` ; \
-	  echo "<!ENTITY $$entity \"enum&nbsp;<link"			\
-	    "linkend='$$entity'>$$ident</link>\">" >>$@ ;		\
-	done)
-	@(								\
-	echo -e "\n<!-- Enum definitions -->") >>$@
-	@(								\
-	for ident in $(ENUM_DEFS) ; do					\
-	  entity=`echo $$ident | tr _ -` ;				\
-	  echo "<!ENTITY $$entity \"<link"				\
-	    "linkend='$$entity'><constant>$$ident</constant></link>\">"	\
-	  >>$@ ;							\
-	done)
-	@(								\
-	echo -e "\n<!-- Structures -->") >>$@
-	@(								\
-	for ident in $(STRUCTS) ; do					\
-	  entity=`echo $$ident | tr _ - | sed s/v4l2-mpeg-vbi-ITV0/v4l2-mpeg-vbi-itv0-1/g` ; \
-	  echo "<!ENTITY $$entity \"struct&nbsp;<link"			\
-	    "linkend='$$entity'>$$ident</link>\">" >>$@ ;		\
-	done)
-	@(								\
-	echo -e "\n<!-- Error Codes -->") >>$@
-	@(								\
-	for ident in $(ERRORS) ; do					\
-	  echo "<!ENTITY $$ident \"<errorcode>$$ident</errorcode>"	\
-	    "error code\">" >>$@ ;					\
-	done)
-	@(								\
-	echo -e "\n<!-- Subsections -->") >>$@
-	@(								\
-	for file in $(MEDIA_SGMLS) ; do					\
-	  entity=`echo "$$file" | sed $(FILENAME) -e s/"^([^-]*)"/sub\1/` ; \
-	  if ! echo "$$file" |						\
-	    grep -q -E -e '^(func|vidioc|pixfmt)-' ; then		\
-	    echo "<!ENTITY sub-$$entity SYSTEM \"$$file\">" >>$@ ;	\
-	  fi ;								\
-	done)
-	@(								\
-	echo -e "\n<!-- Function Reference -->") >>$@
-	@(								\
-	for file in $(MEDIA_SGMLS) ; do					\
-	  if echo "$$file" |						\
-	    grep -q -E -e '(func|vidioc|pixfmt)-' ; then		\
-	    entity=`echo "$$file" |sed $(FILENAME)` ;			\
-	    echo "<!ENTITY $$entity SYSTEM \"$$file\">" >>$@ ;	\
-	  fi ;								\
-	done)
-
-# Jade can auto-generate a list-of-tables, which includes all structs,
-# but we only want data types, all types, and sorted please.
-$(MEDIA_OBJ_DIR)/media-indices.tmpl: $(MEDIA_OBJ_DIR)/v4l2.xml
-	@$($(quiet)gen_xml)
-	@(								\
-	echo "<!-- Generated file! Do not edit. -->") >$@
-	@(								\
-	echo -e "\n<index><title>List of Types</title>") >>$@
-	@(								\
-	for ident in $(TYPES) ; do					\
-	  id=`echo $$ident | tr _ -` ;					\
-	  echo "<indexentry><primaryie><link"				\
-	    "linkend='$$id'>$$ident</link></primaryie></indexentry>" >>$@ ; \
-	done)
-	@(								\
-	for ident in $(ENUMS) ; do					\
-	  id=`echo $$ident | sed -e "s/v4l2_mpeg_cx2341x_video_\([a-z]*_spatial_filter_type\)/\1/" | tr _ -`; \
-	  echo "<indexentry><primaryie>enum&nbsp;<link"			\
-	    "linkend='$$id'>$$ident</link></primaryie></indexentry>" >>$@ ; \
-	done)
-	@(								\
-	for ident in $(STRUCTS) ; do					\
-	  id=`echo $$ident | tr _ - | sed s/v4l2-mpeg-vbi-ITV0/v4l2-mpeg-vbi-itv0-1/g` ; \
-	  echo "<indexentry><primaryie>struct&nbsp;<link"		\
-	    "linkend='$$id'>$$ident</link></primaryie></indexentry>" >>$@ ; \
-	done)
-	@(								\
-	echo "</index>") >>$@
-

Documentation/DocBook/media/bayer.png.b64

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Documentation/DocBook/media/dvb/.gitignore

@@ -1 +0,0 @@
-!*.xml

Documentation/DocBook/media/dvb/audio.xml

@@ -1,1314 +0,0 @@
-<title>DVB Audio Device</title>
-<para>The DVB audio device controls the MPEG2 audio decoder of the DVB hardware. It
-can be accessed through <constant>/dev/dvb/adapter?/audio?</constant>. Data types and and
-ioctl definitions can be accessed by including <constant>linux/dvb/audio.h</constant> in your
-application.
-</para>
-<para>Please note that some DVB cards don&#8217;t have their own MPEG decoder, which results in
-the omission of the audio and video device.
-</para>
-<para>
-These ioctls were also used by V4L2 to control MPEG decoders implemented in V4L2. The use
-of these ioctls for that purpose has been made obsolete and proper V4L2 ioctls or controls
-have been created to replace that functionality.</para>
-
-<section id="audio_data_types">
-<title>Audio Data Types</title>
-<para>This section describes the structures, data types and defines used when talking to the
-audio device.
-</para>
-
-<section id="audio-stream-source-t">
-<title>audio_stream_source_t</title>
-<para>The audio stream source is set through the AUDIO_SELECT_SOURCE call and can take
-the following values, depending on whether we are replaying from an internal (demux) or
-external (user write) source.
-</para>
-<programlisting>
-typedef enum {
-	AUDIO_SOURCE_DEMUX,
-	AUDIO_SOURCE_MEMORY
-} audio_stream_source_t;
-</programlisting>
-<para>AUDIO_SOURCE_DEMUX selects the demultiplexer (fed either by the frontend or the
-DVR device) as the source of the video stream. If AUDIO_SOURCE_MEMORY
-is selected the stream comes from the application through the <constant>write()</constant> system
-call.
-</para>
-
-</section>
-<section id="audio-play-state-t">
-<title>audio_play_state_t</title>
-<para>The following values can be returned by the AUDIO_GET_STATUS call representing the
-state of audio playback.
-</para>
-<programlisting>
-typedef enum {
-	AUDIO_STOPPED,
-	AUDIO_PLAYING,
-	AUDIO_PAUSED
-} audio_play_state_t;
-</programlisting>
-
-</section>
-<section id="audio-channel-select-t">
-<title>audio_channel_select_t</title>
-<para>The audio channel selected via AUDIO_CHANNEL_SELECT is determined by the
-following values.
-</para>
-<programlisting>
-typedef enum {
-	AUDIO_STEREO,
-	AUDIO_MONO_LEFT,
-	AUDIO_MONO_RIGHT,
-	AUDIO_MONO,
-	AUDIO_STEREO_SWAPPED
-} audio_channel_select_t;
-</programlisting>
-
-</section>
-<section id="audio-status">
-<title>struct audio_status</title>
-<para>The AUDIO_GET_STATUS call returns the following structure informing about various
-states of the playback operation.
-</para>
-<programlisting>
-typedef struct audio_status {
-	boolean AV_sync_state;
-	boolean mute_state;
-	audio_play_state_t play_state;
-	audio_stream_source_t stream_source;
-	audio_channel_select_t channel_select;
-	boolean bypass_mode;
-	audio_mixer_t mixer_state;
-} audio_status_t;
-</programlisting>
-
-</section>
-<section id="audio-mixer">
-<title>struct audio_mixer</title>
-<para>The following structure is used by the AUDIO_SET_MIXER call to set the audio
-volume.
-</para>
-<programlisting>
-typedef struct audio_mixer {
-	unsigned int volume_left;
-	unsigned int volume_right;
-} audio_mixer_t;
-</programlisting>
-
-</section>
-<section id="audio_encodings">
-<title>audio encodings</title>
-<para>A call to AUDIO_GET_CAPABILITIES returns an unsigned integer with the following
-bits set according to the hardwares capabilities.
-</para>
-<programlisting>
- #define AUDIO_CAP_DTS    1
- #define AUDIO_CAP_LPCM   2
- #define AUDIO_CAP_MP1    4
- #define AUDIO_CAP_MP2    8
- #define AUDIO_CAP_MP3   16
- #define AUDIO_CAP_AAC   32
- #define AUDIO_CAP_OGG   64
- #define AUDIO_CAP_SDDS 128
- #define AUDIO_CAP_AC3  256
-</programlisting>
-
-</section>
-<section id="audio-karaoke">
-<title>struct audio_karaoke</title>
-<para>The ioctl AUDIO_SET_KARAOKE uses the following format:
-</para>
-<programlisting>
-typedef
-struct audio_karaoke {
-	int vocal1;
-	int vocal2;
-	int melody;
-} audio_karaoke_t;
-</programlisting>
-<para>If Vocal1 or Vocal2 are non-zero, they get mixed into left and right t at 70% each. If both,
-Vocal1 and Vocal2 are non-zero, Vocal1 gets mixed into the left channel and Vocal2 into the
-right channel at 100% each. Ff Melody is non-zero, the melody channel gets mixed into left
-and right.
-</para>
-
-</section>
-<section id="audio-attributes-t">
-<title>audio attributes</title>
-<para>The following attributes can be set by a call to AUDIO_SET_ATTRIBUTES:
-</para>
-<programlisting>
- typedef uint16_t audio_attributes_t;
- /&#x22C6;   bits: descr. &#x22C6;/
- /&#x22C6;   15-13 audio coding mode (0=ac3, 2=mpeg1, 3=mpeg2ext, 4=LPCM, 6=DTS, &#x22C6;/
- /&#x22C6;   12    multichannel extension &#x22C6;/
- /&#x22C6;   11-10 audio type (0=not spec, 1=language included) &#x22C6;/
- /&#x22C6;    9- 8 audio application mode (0=not spec, 1=karaoke, 2=surround) &#x22C6;/
- /&#x22C6;    7- 6 Quantization / DRC (mpeg audio: 1=DRC exists)(lpcm: 0=16bit,  &#x22C6;/
- /&#x22C6;    5- 4 Sample frequency fs (0=48kHz, 1=96kHz) &#x22C6;/
- /&#x22C6;    2- 0 number of audio channels (n+1 channels) &#x22C6;/
-</programlisting>
- </section></section>
-<section id="audio_function_calls">
-<title>Audio Function Calls</title>
-
-
-<section id="audio_fopen">
-<title>open()</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This system call opens a named audio device (e.g. /dev/dvb/adapter0/audio0)
- for subsequent use. When an open() call has succeeded, the device will be ready
- for use. The significance of blocking or non-blocking mode is described in the
- documentation for functions where there is a difference. It does not affect the
- semantics of the open() call itself. A device opened in blocking mode can later
- be put into non-blocking mode (and vice versa) using the F_SETFL command
- of the fcntl system call. This is a standard system call, documented in the Linux
- manual page for fcntl. Only one user can open the Audio Device in O_RDWR
- mode. All other attempts to open the device in this mode will fail, and an error
- code will be returned. If the Audio Device is opened in O_RDONLY mode, the
- only ioctl call that can be used is AUDIO_GET_STATUS. All other call will
- return with an error code.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int open(const char &#x22C6;deviceName, int flags);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>const char
- *deviceName</para>
-</entry><entry
- align="char">
-<para>Name of specific audio device.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int flags</para>
-</entry><entry
- align="char">
-<para>A bit-wise OR of the following flags:</para>
-</entry>
- </row><row><entry
- align="char">
-</entry><entry
- align="char">
-<para>O_RDONLY read-only access</para>
-</entry>
- </row><row><entry
- align="char">
-</entry><entry
- align="char">
-<para>O_RDWR read/write access</para>
-</entry>
- </row><row><entry
- align="char">
-</entry><entry
- align="char">
-<para>O_NONBLOCK open in non-blocking mode</para>
-</entry>
- </row><row><entry
- align="char">
-</entry><entry
- align="char">
-<para>(blocking mode is the default)</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>RETURN VALUE</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>ENODEV</para>
-</entry><entry
- align="char">
-<para>Device driver not loaded/available.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>EBUSY</para>
-</entry><entry
- align="char">
-<para>Device or resource busy.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>EINVAL</para>
-</entry><entry
- align="char">
-<para>Invalid argument.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-</section>
-<section id="audio_fclose">
-<title>close()</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This system call closes a previously opened audio device.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int close(int fd);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>RETURN VALUE</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>EBADF</para>
-</entry><entry
- align="char">
-<para>fd is not a valid open file descriptor.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-</section>
-<section id="audio_fwrite">
-<title>write()</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This system call can only be used if AUDIO_SOURCE_MEMORY is selected
- in the ioctl call AUDIO_SELECT_SOURCE. The data provided shall be in
- PES format. If O_NONBLOCK is not specified the function will block until
- buffer space is available. The amount of data to be transferred is implied by
- count.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>size_t write(int fd, const void &#x22C6;buf, size_t count);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>void *buf</para>
-</entry><entry
- align="char">
-<para>Pointer to the buffer containing the PES data.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>size_t count</para>
-</entry><entry
- align="char">
-<para>Size of buf.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>RETURN VALUE</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>EPERM</para>
-</entry><entry
- align="char">
-<para>Mode AUDIO_SOURCE_MEMORY not selected.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>ENOMEM</para>
-</entry><entry
- align="char">
-<para>Attempted to write more data than the internal buffer can
- hold.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>EBADF</para>
-</entry><entry
- align="char">
-<para>fd is not a valid open file descriptor.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-</section><section id="AUDIO_STOP"
-role="subsection"><title>AUDIO_STOP</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call asks the Audio Device to stop playing the current stream.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(int fd, int request = AUDIO_STOP);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals AUDIO_STOP for this command.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="AUDIO_PLAY"
-role="subsection"><title>AUDIO_PLAY</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call asks the Audio Device to start playing an audio stream from the
- selected source.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(int fd, int request = AUDIO_PLAY);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals AUDIO_PLAY for this command.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="AUDIO_PAUSE"
-role="subsection"><title>AUDIO_PAUSE</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call suspends the audio stream being played. Decoding and playing
- are paused. It is then possible to restart again decoding and playing process of
- the audio stream using AUDIO_CONTINUE command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>If AUDIO_SOURCE_MEMORY is selected in the ioctl call
- AUDIO_SELECT_SOURCE, the DVB-subsystem will not decode (consume)
- any more data until the ioctl call AUDIO_CONTINUE or AUDIO_PLAY is
- performed.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(int fd, int request = AUDIO_PAUSE);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals AUDIO_PAUSE for this command.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="AUDIO_CONTINUE"
-role="subsection"><title>AUDIO_CONTINUE</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl restarts the decoding and playing process previously paused
-with AUDIO_PAUSE command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>It only works if the stream were previously stopped with AUDIO_PAUSE</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(int fd, int request = AUDIO_CONTINUE);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals AUDIO_CONTINUE for this command.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="AUDIO_SELECT_SOURCE"
-role="subsection"><title>AUDIO_SELECT_SOURCE</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call informs the audio device which source shall be used
- for the input data. The possible sources are demux or memory. If
- AUDIO_SOURCE_MEMORY is selected, the data is fed to the Audio Device
- through the write command.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(int fd, int request = AUDIO_SELECT_SOURCE,
- audio_stream_source_t source);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals AUDIO_SELECT_SOURCE for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>audio_stream_source_t
- source</para>
-</entry><entry
- align="char">
-<para>Indicates the source that shall be used for the Audio
- stream.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="AUDIO_SET_MUTE"
-role="subsection"><title>AUDIO_SET_MUTE</title>
-<para>DESCRIPTION
-</para>
-<para>This ioctl is for DVB devices only. To control a V4L2 decoder use the V4L2
-&VIDIOC-DECODER-CMD; with the <constant>V4L2_DEC_CMD_START_MUTE_AUDIO</constant> flag instead.</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call asks the audio device to mute the stream that is currently being
- played.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(int fd, int request = AUDIO_SET_MUTE,
- boolean state);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals AUDIO_SET_MUTE for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>boolean state</para>
-</entry><entry
- align="char">
-<para>Indicates if audio device shall mute or not.</para>
-</entry>
- </row><row><entry
- align="char">
-</entry><entry
- align="char">
-<para>TRUE Audio Mute</para>
-</entry>
- </row><row><entry
- align="char">
-</entry><entry
- align="char">
-<para>FALSE Audio Un-mute</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="AUDIO_SET_AV_SYNC"
-role="subsection"><title>AUDIO_SET_AV_SYNC</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call asks the Audio Device to turn ON or OFF A/V synchronization.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(int fd, int request = AUDIO_SET_AV_SYNC,
- boolean state);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals AUDIO_AV_SYNC for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>boolean state</para>
-</entry><entry
- align="char">
-<para>Tells the DVB subsystem if A/V synchronization shall be
- ON or OFF.</para>
-</entry>
- </row><row><entry
- align="char">
-</entry><entry
- align="char">
-<para>TRUE AV-sync ON</para>
-</entry>
- </row><row><entry
- align="char">
-</entry><entry
- align="char">
-<para>FALSE AV-sync OFF</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="AUDIO_SET_BYPASS_MODE"
-role="subsection"><title>AUDIO_SET_BYPASS_MODE</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call asks the Audio Device to bypass the Audio decoder and forward
- the stream without decoding. This mode shall be used if streams that can&#8217;t be
- handled by the DVB system shall be decoded. Dolby DigitalTM streams are
- automatically forwarded by the DVB subsystem if the hardware can handle it.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(int fd, int request =
- AUDIO_SET_BYPASS_MODE, boolean mode);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals AUDIO_SET_BYPASS_MODE for this
- command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>boolean mode</para>
-</entry><entry
- align="char">
-<para>Enables or disables the decoding of the current Audio
- stream in the DVB subsystem.</para>
-</entry>
- </row><row><entry
- align="char">
-</entry><entry
- align="char">
-<para>TRUE Bypass is disabled</para>
-</entry>
- </row><row><entry
- align="char">
-</entry><entry
- align="char">
-<para>FALSE Bypass is enabled</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="AUDIO_CHANNEL_SELECT"
-role="subsection"><title>AUDIO_CHANNEL_SELECT</title>
-<para>DESCRIPTION
-</para>
-<para>This ioctl is for DVB devices only. To control a V4L2 decoder use the V4L2
-<constant>V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK</constant> control instead.</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call asks the Audio Device to select the requested channel if possible.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(int fd, int request =
- AUDIO_CHANNEL_SELECT, audio_channel_select_t);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals AUDIO_CHANNEL_SELECT for this
- command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>audio_channel_select_t
- ch</para>
-</entry><entry
- align="char">
-<para>Select the output format of the audio (mono left/right,
- stereo).</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="AUDIO_BILINGUAL_CHANNEL_SELECT"
-role="subsection"><title>AUDIO_BILINGUAL_CHANNEL_SELECT</title>
-<para>DESCRIPTION
-</para>
-<para>This ioctl is obsolete. Do not use in new drivers. It has been replaced by
-the V4L2 <constant>V4L2_CID_MPEG_AUDIO_DEC_MULTILINGUAL_PLAYBACK</constant> control
-for MPEG decoders controlled through V4L2.</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call asks the Audio Device to select the requested channel for bilingual streams if possible.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(int fd, int request =
- AUDIO_BILINGUAL_CHANNEL_SELECT, audio_channel_select_t);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals AUDIO_BILINGUAL_CHANNEL_SELECT for this
- command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>audio_channel_select_t
-ch</para>
-</entry><entry
- align="char">
-<para>Select the output format of the audio (mono left/right,
- stereo).</para>
-</entry>
- </row>
-</tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="AUDIO_GET_PTS"
-role="subsection"><title>AUDIO_GET_PTS</title>
-<para>DESCRIPTION
-</para>
-<para>This ioctl is obsolete. Do not use in new drivers. If you need this functionality,
-then please contact the linux-media mailing list (&v4l-ml;).</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call asks the Audio Device to return the current PTS timestamp.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(int fd, int request =
- AUDIO_GET_PTS, __u64 *pts);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals AUDIO_GET_PTS for this
- command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>__u64 *pts
-</para>
-</entry><entry
- align="char">
-<para>Returns the 33-bit timestamp as defined in ITU T-REC-H.222.0 / ISO/IEC 13818-1.
-</para>
-<para>
-The PTS should belong to the currently played
-frame if possible, but may also be a value close to it
-like the PTS of the last decoded frame or the last PTS
-extracted by the PES parser.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="AUDIO_GET_STATUS"
-role="subsection"><title>AUDIO_GET_STATUS</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call asks the Audio Device to return the current state of the Audio
- Device.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(int fd, int request = AUDIO_GET_STATUS,
- struct audio_status &#x22C6;status);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals AUDIO_GET_STATUS for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>struct audio_status
- *status</para>
-</entry><entry
- align="char">
-<para>Returns the current state of Audio Device.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="AUDIO_GET_CAPABILITIES"
-role="subsection"><title>AUDIO_GET_CAPABILITIES</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call asks the Audio Device to tell us about the decoding capabilities
- of the audio hardware.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(int fd, int request =
- AUDIO_GET_CAPABILITIES, unsigned int &#x22C6;cap);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals AUDIO_GET_CAPABILITIES for this
- command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>unsigned int *cap</para>
-</entry><entry
- align="char">
-<para>Returns a bit array of supported sound formats.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="AUDIO_CLEAR_BUFFER"
-role="subsection"><title>AUDIO_CLEAR_BUFFER</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call asks the Audio Device to clear all software and hardware buffers
- of the audio decoder device.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(int fd, int request = AUDIO_CLEAR_BUFFER);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals AUDIO_CLEAR_BUFFER for this command.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="AUDIO_SET_ID"
-role="subsection"><title>AUDIO_SET_ID</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl selects which sub-stream is to be decoded if a program or system
- stream is sent to the video device. If no audio stream type is set the id has to be
- in [0xC0,0xDF] for MPEG sound, in [0x80,0x87] for AC3 and in [0xA0,0xA7]
- for LPCM. More specifications may follow for other stream types. If the stream
- type is set the id just specifies the substream id of the audio stream and only
- the first 5 bits are recognized.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(int fd, int request = AUDIO_SET_ID, int
- id);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals AUDIO_SET_ID for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int id</para>
-</entry><entry
- align="char">
-<para>audio sub-stream id</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="AUDIO_SET_MIXER"
-role="subsection"><title>AUDIO_SET_MIXER</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl lets you adjust the mixer settings of the audio decoder.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(int fd, int request = AUDIO_SET_MIXER,
- audio_mixer_t &#x22C6;mix);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals AUDIO_SET_ID for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>audio_mixer_t *mix</para>
-</entry><entry
- align="char">
-<para>mixer settings.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="AUDIO_SET_STREAMTYPE"
-role="subsection"><title>AUDIO_SET_STREAMTYPE</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl tells the driver which kind of audio stream to expect. This is useful
- if the stream offers several audio sub-streams like LPCM and AC3.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(fd, int request = AUDIO_SET_STREAMTYPE,
- int type);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals AUDIO_SET_STREAMTYPE for this
- command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int type</para>
-</entry><entry
- align="char">
-<para>stream type</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>EINVAL</para>
-</entry><entry
- align="char">
-<para>type is not a valid or supported stream type.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-</section><section id="AUDIO_SET_EXT_ID"
-role="subsection"><title>AUDIO_SET_EXT_ID</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl can be used to set the extension id for MPEG streams in DVD
- playback. Only the first 3 bits are recognized.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(fd, int request = AUDIO_SET_EXT_ID, int
- id);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals AUDIO_SET_EXT_ID for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int id</para>
-</entry><entry
- align="char">
-<para>audio sub_stream_id</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>EINVAL</para>
-</entry><entry
- align="char">
-<para>id is not a valid id.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-</section><section id="AUDIO_SET_ATTRIBUTES"
-role="subsection"><title>AUDIO_SET_ATTRIBUTES</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl is intended for DVD playback and allows you to set certain
- information about the audio stream.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(fd, int request = AUDIO_SET_ATTRIBUTES,
- audio_attributes_t attr );</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals AUDIO_SET_ATTRIBUTES for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>audio_attributes_t
- attr</para>
-</entry><entry
- align="char">
-<para>audio attributes according to section ??</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>EINVAL</para>
-</entry><entry
- align="char">
-<para>attr is not a valid or supported attribute setting.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-</section><section id="AUDIO_SET_KARAOKE"
-role="subsection"><title>AUDIO_SET_KARAOKE</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl allows one to set the mixer settings for a karaoke DVD.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(fd, int request = AUDIO_SET_KARAOKE,
- audio_karaoke_t &#x22C6;karaoke);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals AUDIO_SET_KARAOKE for this
- command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>audio_karaoke_t
- *karaoke</para>
-</entry><entry
- align="char">
-<para>karaoke settings according to section ??.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>EINVAL</para>
-</entry><entry
- align="char">
-<para>karaoke is not a valid or supported karaoke setting.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
- </section>
-</section>

Documentation/DocBook/media/dvb/ca.xml

@@ -1,582 +0,0 @@
-<title>DVB CA Device</title>
-<para>The DVB CA device controls the conditional access hardware. It can be accessed through
-<constant>/dev/dvb/adapter?/ca?</constant>. Data types and and ioctl definitions can be accessed by
-including <constant>linux/dvb/ca.h</constant> in your application.
-</para>
-
-<section id="ca_data_types">
-<title>CA Data Types</title>
-
-
-<section id="ca-slot-info">
-<title>ca_slot_info_t</title>
- <programlisting>
-typedef struct ca_slot_info {
-	int num;               /&#x22C6; slot number &#x22C6;/
-
-	int type;              /&#x22C6; CA interface this slot supports &#x22C6;/
-#define CA_CI            1     /&#x22C6; CI high level interface &#x22C6;/
-#define CA_CI_LINK       2     /&#x22C6; CI link layer level interface &#x22C6;/
-#define CA_CI_PHYS       4     /&#x22C6; CI physical layer level interface &#x22C6;/
-#define CA_DESCR         8     /&#x22C6; built-in descrambler &#x22C6;/
-#define CA_SC          128     /&#x22C6; simple smart card interface &#x22C6;/
-
-	unsigned int flags;
-#define CA_CI_MODULE_PRESENT 1 /&#x22C6; module (or card) inserted &#x22C6;/
-#define CA_CI_MODULE_READY   2
-} ca_slot_info_t;
-</programlisting>
-
-</section>
-<section id="ca-descr-info">
-<title>ca_descr_info_t</title>
-<programlisting>
-typedef struct ca_descr_info {
-	unsigned int num;  /&#x22C6; number of available descramblers (keys) &#x22C6;/
-	unsigned int type; /&#x22C6; type of supported scrambling system &#x22C6;/
-#define CA_ECD           1
-#define CA_NDS           2
-#define CA_DSS           4
-} ca_descr_info_t;
-</programlisting>
-
-</section>
-<section id="ca-caps">
-<title>ca_caps_t</title>
-<programlisting>
-typedef struct ca_caps {
-	unsigned int slot_num;  /&#x22C6; total number of CA card and module slots &#x22C6;/
-	unsigned int slot_type; /&#x22C6; OR of all supported types &#x22C6;/
-	unsigned int descr_num; /&#x22C6; total number of descrambler slots (keys) &#x22C6;/
-	unsigned int descr_type;/&#x22C6; OR of all supported types &#x22C6;/
- } ca_cap_t;
-</programlisting>
-
-</section>
-<section id="ca-msg">
-<title>ca_msg_t</title>
-<programlisting>
-/&#x22C6; a message to/from a CI-CAM &#x22C6;/
-typedef struct ca_msg {
-	unsigned int index;
-	unsigned int type;
-	unsigned int length;
-	unsigned char msg[256];
-} ca_msg_t;
-</programlisting>
-
-</section>
-<section id="ca-descr">
-<title>ca_descr_t</title>
-<programlisting>
-typedef struct ca_descr {
-	unsigned int index;
-	unsigned int parity;
-	unsigned char cw[8];
-} ca_descr_t;
-</programlisting>
-</section>
-
-<section id="ca-pid">
-<title>ca-pid</title>
-<programlisting>
-typedef struct ca_pid {
-	unsigned int pid;
-	int index;		/&#x22C6; -1 == disable&#x22C6;/
-} ca_pid_t;
-</programlisting>
-</section></section>
-
-<section id="ca_function_calls">
-<title>CA Function Calls</title>
-
-
-<section id="ca_fopen">
-<title>open()</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This system call opens a named ca device (e.g. /dev/ost/ca) for subsequent use.</para>
-<para>When an open() call has succeeded, the device will be ready for use.
- The significance of blocking or non-blocking mode is described in the
- documentation for functions where there is a difference. It does not affect the
- semantics of the open() call itself. A device opened in blocking mode can later
- be put into non-blocking mode (and vice versa) using the F_SETFL command
- of the fcntl system call. This is a standard system call, documented in the Linux
- manual page for fcntl. Only one user can open the CA Device in O_RDWR
- mode. All other attempts to open the device in this mode will fail, and an error
- code will be returned.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int open(const char &#x22C6;deviceName, int flags);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>const char
- *deviceName</para>
-</entry><entry
- align="char">
-<para>Name of specific video device.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int flags</para>
-</entry><entry
- align="char">
-<para>A bit-wise OR of the following flags:</para>
-</entry>
- </row><row><entry
- align="char">
-</entry><entry
- align="char">
-<para>O_RDONLY read-only access</para>
-</entry>
- </row><row><entry
- align="char">
-</entry><entry
- align="char">
-<para>O_RDWR read/write access</para>
-</entry>
- </row><row><entry
- align="char">
-</entry><entry
- align="char">
-<para>O_NONBLOCK open in non-blocking mode</para>
-</entry>
- </row><row><entry
- align="char">
-</entry><entry
- align="char">
-<para>(blocking mode is the default)</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>RETURN VALUE</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>ENODEV</para>
-</entry><entry
- align="char">
-<para>Device driver not loaded/available.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>EINTERNAL</para>
-</entry><entry
- align="char">
-<para>Internal error.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>EBUSY</para>
-</entry><entry
- align="char">
-<para>Device or resource busy.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>EINVAL</para>
-</entry><entry
- align="char">
-<para>Invalid argument.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-</section>
-<section id="ca_fclose">
-<title>close()</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This system call closes a previously opened audio device.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int close(int fd);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>RETURN VALUE</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>EBADF</para>
-</entry><entry
- align="char">
-<para>fd is not a valid open file descriptor.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
- </section>
-
-<section id="CA_RESET"
-role="subsection"><title>CA_RESET</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl is undocumented. Documentation is welcome.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(fd, int request = CA_RESET);
-</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals CA_RESET for this command.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-</section>
-
-<section id="CA_GET_CAP"
-role="subsection"><title>CA_GET_CAP</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl is undocumented. Documentation is welcome.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(fd, int request = CA_GET_CAP,
- ca_caps_t *);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals CA_GET_CAP for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>ca_caps_t *
-</para>
-</entry><entry
- align="char">
-<para>Undocumented.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-</section>
-
-<section id="CA_GET_SLOT_INFO"
-role="subsection"><title>CA_GET_SLOT_INFO</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl is undocumented. Documentation is welcome.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(fd, int request = CA_GET_SLOT_INFO,
- ca_slot_info_t *);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals CA_GET_SLOT_INFO for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>ca_slot_info_t *
-</para>
-</entry><entry
- align="char">
-<para>Undocumented.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-</section>
-
-<section id="CA_GET_DESCR_INFO"
-role="subsection"><title>CA_GET_DESCR_INFO</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl is undocumented. Documentation is welcome.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(fd, int request = CA_GET_DESCR_INFO,
- ca_descr_info_t *);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals CA_GET_DESCR_INFO for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>ca_descr_info_t *
-</para>
-</entry><entry
- align="char">
-<para>Undocumented.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-</section>
-
-<section id="CA_GET_MSG"
-role="subsection"><title>CA_GET_MSG</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl is undocumented. Documentation is welcome.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(fd, int request = CA_GET_MSG,
- ca_msg_t *);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals CA_GET_MSG for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>ca_msg_t *
-</para>
-</entry><entry
- align="char">
-<para>Undocumented.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-</section>
-
-<section id="CA_SEND_MSG"
-role="subsection"><title>CA_SEND_MSG</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl is undocumented. Documentation is welcome.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(fd, int request = CA_SEND_MSG,
- ca_msg_t *);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals CA_SEND_MSG for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>ca_msg_t *
-</para>
-</entry><entry
- align="char">
-<para>Undocumented.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-</section>
-
-<section id="CA_SET_DESCR"
-role="subsection"><title>CA_SET_DESCR</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl is undocumented. Documentation is welcome.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(fd, int request = CA_SET_DESCR,
- ca_descr_t *);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals CA_SET_DESCR for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>ca_descr_t *
-</para>
-</entry><entry
- align="char">
-<para>Undocumented.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-</section>
-
-<section id="CA_SET_PID"
-role="subsection"><title>CA_SET_PID</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl is undocumented. Documentation is welcome.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(fd, int request = CA_SET_PID,
- ca_pid_t *);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals CA_SET_PID for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>ca_pid_t *
-</para>
-</entry><entry
- align="char">
-<para>Undocumented.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-</section>
-
-</section>

Documentation/DocBook/media/dvb/demux.xml

@@ -1,1162 +0,0 @@
-<title>DVB Demux Device</title>
-
-<para>The DVB demux device controls the filters of the DVB hardware/software. It can be
-accessed through <constant>/dev/adapter?/demux?</constant>. Data types and and ioctl definitions can be
-accessed by including <constant>linux/dvb/dmx.h</constant> in your application.
-</para>
-<section id="dmx_types">
-<title>Demux Data Types</title>
-
-<section id="dmx-output-t">
-<title>Output for the demux</title>
-
-<table pgwide="1" frame="none" id="dmx-output">
-    <title>enum dmx_output</title>
-    <tgroup cols="2">
-	&cs-def;
-	<thead>
-	<row>
-	    <entry>ID</entry>
-	    <entry>Description</entry>
-	</row>
-	</thead>
-	<tbody valign="top">
-	<row>
-		<entry align="char" id="DMX-OUT-DECODER">DMX_OUT_DECODER</entry>
-		<entry>Streaming directly to decoder.</entry>
-	</row><row>
-		<entry align="char" id="DMX-OUT-TAP">DMX_OUT_TAP</entry>
-		<entry>Output going to a memory buffer (to be retrieved via the
-		    read command). Delivers the stream output to the demux
-		    device on which the ioctl is called.</entry>
-	</row><row>
-		<entry align="char" id="DMX-OUT-TS-TAP">DMX_OUT_TS_TAP</entry>
-		<entry>Output multiplexed into a new TS (to be retrieved by
-		    reading from the logical DVR device). Routes output to the
-		    logical DVR device <constant>/dev/dvb/adapter?/dvr?</constant>,
-		    which delivers a TS multiplexed from all filters for which
-		    <constant>DMX_OUT_TS_TAP</constant> was specified.</entry>
-	</row><row>
-		<entry align="char" id="DMX-OUT-TSDEMUX-TAP">DMX_OUT_TSDEMUX_TAP</entry>
-		<entry>Like &DMX-OUT-TS-TAP; but retrieved from the DMX
-		    device.</entry>
-	</row>
-        </tbody>
-    </tgroup>
-</table>
-
-</section>
-
-<section id="dmx-input-t">
-<title>dmx_input_t</title>
-<programlisting>
-typedef enum
-{
-	DMX_IN_FRONTEND, /&#x22C6; Input from a front-end device.  &#x22C6;/
-	DMX_IN_DVR       /&#x22C6; Input from the logical DVR device.  &#x22C6;/
-} dmx_input_t;
-</programlisting>
-</section>
-
-<section id="dmx-pes-type-t">
-<title>dmx_pes_type_t</title>
-<programlisting>
-typedef enum
-{
-	DMX_PES_AUDIO0,
-	DMX_PES_VIDEO0,
-	DMX_PES_TELETEXT0,
-	DMX_PES_SUBTITLE0,
-	DMX_PES_PCR0,
-
-	DMX_PES_AUDIO1,
-	DMX_PES_VIDEO1,
-	DMX_PES_TELETEXT1,
-	DMX_PES_SUBTITLE1,
-	DMX_PES_PCR1,
-
-	DMX_PES_AUDIO2,
-	DMX_PES_VIDEO2,
-	DMX_PES_TELETEXT2,
-	DMX_PES_SUBTITLE2,
-	DMX_PES_PCR2,
-
-	DMX_PES_AUDIO3,
-	DMX_PES_VIDEO3,
-	DMX_PES_TELETEXT3,
-	DMX_PES_SUBTITLE3,
-	DMX_PES_PCR3,
-
-	DMX_PES_OTHER
-} dmx_pes_type_t;
-</programlisting>
-</section>
-
-<section id="dmx-filter">
-<title>struct dmx_filter</title>
- <programlisting>
- typedef struct dmx_filter
-{
-	__u8  filter[DMX_FILTER_SIZE];
-	__u8  mask[DMX_FILTER_SIZE];
-	__u8  mode[DMX_FILTER_SIZE];
-} dmx_filter_t;
-</programlisting>
-</section>
-
-<section id="dmx-sct-filter-params">
-<title>struct dmx_sct_filter_params</title>
-<programlisting>
-struct dmx_sct_filter_params
-{
-	__u16          pid;
-	dmx_filter_t   filter;
-	__u32          timeout;
-	__u32          flags;
-#define DMX_CHECK_CRC       1
-#define DMX_ONESHOT         2
-#define DMX_IMMEDIATE_START 4
-#define DMX_KERNEL_CLIENT   0x8000
-};
-</programlisting>
-</section>
-
-<section id="dmx-pes-filter-params">
-<title>struct dmx_pes_filter_params</title>
-<programlisting>
-struct dmx_pes_filter_params
-{
-	__u16          pid;
-	dmx_input_t    input;
-	dmx_output_t   output;
-	dmx_pes_type_t pes_type;
-	__u32          flags;
-};
-</programlisting>
-</section>
-
-<section id="dmx-event">
-<title>struct dmx_event</title>
- <programlisting>
- struct dmx_event
- {
-	 dmx_event_t          event;
-	 time_t               timeStamp;
-	 union
-	 {
-		 dmx_scrambling_status_t scrambling;
-	 } u;
- };
-</programlisting>
-</section>
-
-<section id="dmx-stc">
-<title>struct dmx_stc</title>
-<programlisting>
-struct dmx_stc {
-	unsigned int num;	/&#x22C6; input : which STC? 0..N &#x22C6;/
-	unsigned int base;	/&#x22C6; output: divisor for stc to get 90 kHz clock &#x22C6;/
-	__u64 stc;		/&#x22C6; output: stc in 'base'&#x22C6;90 kHz units &#x22C6;/
-};
-</programlisting>
-</section>
-
-<section id="dmx-caps">
-<title>struct dmx_caps</title>
-<programlisting>
- typedef struct dmx_caps {
-	__u32 caps;
-	int num_decoders;
-} dmx_caps_t;
-</programlisting>
-</section>
-
-<section id="dmx-source-t">
-<title>enum dmx_source_t</title>
-<programlisting>
-typedef enum {
-	DMX_SOURCE_FRONT0 = 0,
-	DMX_SOURCE_FRONT1,
-	DMX_SOURCE_FRONT2,
-	DMX_SOURCE_FRONT3,
-	DMX_SOURCE_DVR0   = 16,
-	DMX_SOURCE_DVR1,
-	DMX_SOURCE_DVR2,
-	DMX_SOURCE_DVR3
-} dmx_source_t;
-</programlisting>
-</section>
-
-</section>
-<section id="dmx_fcalls">
-<title>Demux Function Calls</title>
-
-<section id="dmx_fopen">
-<title>open()</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This system call, used with a device name of /dev/dvb/adapter0/demux0,
- allocates a new filter and returns a handle which can be used for subsequent
- control of that filter. This call has to be made for each filter to be used, i.e. every
- returned file descriptor is a reference to a single filter. /dev/dvb/adapter0/dvr0
- is a logical device to be used for retrieving Transport Streams for digital
- video recording. When reading from this device a transport stream containing
- the packets from all PES filters set in the corresponding demux device
- (/dev/dvb/adapter0/demux0) having the output set to DMX_OUT_TS_TAP. A
- recorded Transport Stream is replayed by writing to this device. </para>
-<para>The significance of blocking or non-blocking mode is described in the
- documentation for functions where there is a difference. It does not affect the
- semantics of the open() call itself. A device opened in blocking mode can later
- be put into non-blocking mode (and vice versa) using the F_SETFL command
- of the fcntl system call.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int open(const char &#x22C6;deviceName, int flags);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>const char
- *deviceName</para>
-</entry><entry
- align="char">
-<para>Name of demux device.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int flags</para>
-</entry><entry
- align="char">
-<para>A bit-wise OR of the following flags:</para>
-</entry>
- </row><row><entry
- align="char">
-</entry><entry
- align="char">
-<para>O_RDWR read/write access</para>
-</entry>
- </row><row><entry
- align="char">
-</entry><entry
- align="char">
-<para>O_NONBLOCK open in non-blocking mode</para>
-</entry>
- </row><row><entry
- align="char">
-</entry><entry
- align="char">
-<para>(blocking mode is the default)</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>RETURN VALUE</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>ENODEV</para>
-</entry><entry
- align="char">
-<para>Device driver not loaded/available.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>EINVAL</para>
-</entry><entry
- align="char">
-<para>Invalid argument.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>EMFILE</para>
-</entry><entry
- align="char">
-<para>&#8220;Too many open files&#8221;, i.e. no more filters available.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>ENOMEM</para>
-</entry><entry
- align="char">
-<para>The driver failed to allocate enough memory.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-</section>
-
-<section id="dmx_fclose">
-<title>close()</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This system call deactivates and deallocates a filter that was previously
- allocated via the open() call.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int close(int fd);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>RETURN VALUE</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>EBADF</para>
-</entry><entry
- align="char">
-<para>fd is not a valid open file descriptor.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-</section>
-
-<section id="dmx_fread">
-<title>read()</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This system call returns filtered data, which might be section or PES data. The
- filtered data is transferred from the driver&#8217;s internal circular buffer to buf. The
- maximum amount of data to be transferred is implied by count.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>When returning section data the driver always tries to return a complete single
- section (even though buf would provide buffer space for more data). If the size
- of the buffer is smaller than the section as much as possible will be returned,
- and the remaining data will be provided in subsequent calls.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>The size of the internal buffer is 2 * 4096 bytes (the size of two maximum
- sized sections) by default. The size of this buffer may be changed by using the
- DMX_SET_BUFFER_SIZE function. If the buffer is not large enough, or if
- the read operations are not performed fast enough, this may result in a buffer
- overflow error. In this case EOVERFLOW will be returned, and the circular
- buffer will be emptied. This call is blocking if there is no data to return, i.e. the
- process will be put to sleep waiting for data, unless the O_NONBLOCK flag
- is specified.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>Note that in order to be able to read, the filtering process has to be started
- by defining either a section or a PES filter by means of the ioctl functions,
- and then starting the filtering process via the DMX_START ioctl function
- or by setting the DMX_IMMEDIATE_START flag. If the reading is done
- from a logical DVR demux device, the data will constitute a Transport Stream
- including the packets from all PES filters in the corresponding demux device
- /dev/dvb/adapter0/demux0 having the output set to DMX_OUT_TS_TAP.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>size_t read(int fd, void &#x22C6;buf, size_t count);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>void *buf</para>
-</entry><entry
- align="char">
-<para>Pointer to the buffer to be used for returned filtered data.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>size_t count</para>
-</entry><entry
- align="char">
-<para>Size of buf.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>RETURN VALUE</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>EWOULDBLOCK</para>
-</entry><entry
- align="char">
-<para>No data to return and O_NONBLOCK was specified.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>EBADF</para>
-</entry><entry
- align="char">
-<para>fd is not a valid open file descriptor.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>ECRC</para>
-</entry><entry
- align="char">
-<para>Last section had a CRC error - no data returned. The
- buffer is flushed.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>EOVERFLOW</para>
-</entry><entry
- align="char">
-</entry>
- </row><row><entry
- align="char">
-</entry><entry
- align="char">
-<para>The filtered data was not read from the buffer in due
- time, resulting in non-read data being lost. The buffer is
- flushed.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>ETIMEDOUT</para>
-</entry><entry
- align="char">
-<para>The section was not loaded within the stated timeout
- period. See ioctl DMX_SET_FILTER for how to set a
- timeout.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>EFAULT</para>
-</entry><entry
- align="char">
-<para>The driver failed to write to the callers buffer due to an
- invalid *buf pointer.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-</section>
-
-<section id="dmx_fwrite">
-<title>write()</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This system call is only provided by the logical device /dev/dvb/adapter0/dvr0,
- associated with the physical demux device that provides the actual DVR
- functionality. It is used for replay of a digitally recorded Transport Stream.
- Matching filters have to be defined in the corresponding physical demux
- device, /dev/dvb/adapter0/demux0. The amount of data to be transferred is
- implied by count.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>ssize_t write(int fd, const void &#x22C6;buf, size_t
- count);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>void *buf</para>
-</entry><entry
- align="char">
-<para>Pointer to the buffer containing the Transport Stream.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>size_t count</para>
-</entry><entry
- align="char">
-<para>Size of buf.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>RETURN VALUE</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>EWOULDBLOCK</para>
-</entry><entry
- align="char">
-<para>No data was written. This
- might happen if O_NONBLOCK was specified and there
- is no more buffer space available (if O_NONBLOCK is
- not specified the function will block until buffer space is
- available).</para>
-</entry>
- </row><row><entry
- align="char">
-<para>EBUSY</para>
-</entry><entry
- align="char">
-<para>This error code indicates that there are conflicting
- requests. The corresponding demux device is setup to
- receive data from the front- end. Make sure that these
- filters are stopped and that the filters with input set to
- DMX_IN_DVR are started.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>EBADF</para>
-</entry><entry
- align="char">
-<para>fd is not a valid open file descriptor.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-</section>
-
-<section id="DMX_START">
-<title>DMX_START</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call is used to start the actual filtering operation defined via the ioctl
- calls DMX_SET_FILTER or DMX_SET_PES_FILTER.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl( int fd, int request = DMX_START);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals DMX_START for this command.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>EINVAL</para>
-</entry><entry
- align="char">
-<para>Invalid argument, i.e. no filtering parameters provided via
- the DMX_SET_FILTER or DMX_SET_PES_FILTER
- functions.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>EBUSY</para>
-</entry><entry
- align="char">
-<para>This error code indicates that there are conflicting
- requests. There are active filters filtering data from
- another input source. Make sure that these filters are
- stopped before starting this filter.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-</section>
-
-<section id="DMX_STOP">
-<title>DMX_STOP</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call is used to stop the actual filtering operation defined via the
- ioctl calls DMX_SET_FILTER or DMX_SET_PES_FILTER and started via
- the DMX_START command.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl( int fd, int request = DMX_STOP);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals DMX_STOP for this command.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-</section>
-
-<section id="DMX_SET_FILTER">
-<title>DMX_SET_FILTER</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call sets up a filter according to the filter and mask parameters
- provided. A timeout may be defined stating number of seconds to wait for a
- section to be loaded. A value of 0 means that no timeout should be applied.
- Finally there is a flag field where it is possible to state whether a section should
- be CRC-checked, whether the filter should be a &#8221;one-shot&#8221; filter, i.e. if the
- filtering operation should be stopped after the first section is received, and
- whether the filtering operation should be started immediately (without waiting
- for a DMX_START ioctl call). If a filter was previously set-up, this filter will
- be canceled, and the receive buffer will be flushed.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl( int fd, int request = DMX_SET_FILTER,
- struct dmx_sct_filter_params &#x22C6;params);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals DMX_SET_FILTER for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>struct
- dmx_sct_filter_params
- *params</para>
-</entry><entry
- align="char">
-<para>Pointer to structure containing filter parameters.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-</section>
-
-<section id="DMX_SET_PES_FILTER">
-<title>DMX_SET_PES_FILTER</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call sets up a PES filter according to the parameters provided. By a
- PES filter is meant a filter that is based just on the packet identifier (PID), i.e.
- no PES header or payload filtering capability is supported.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>The transport stream destination for the filtered output may be set. Also the
- PES type may be stated in order to be able to e.g. direct a video stream directly
- to the video decoder. Finally there is a flag field where it is possible to state
- whether the filtering operation should be started immediately (without waiting
- for a DMX_START ioctl call). If a filter was previously set-up, this filter will
- be cancelled, and the receive buffer will be flushed.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl( int fd, int request = DMX_SET_PES_FILTER,
- struct dmx_pes_filter_params &#x22C6;params);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals DMX_SET_PES_FILTER for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>struct
- dmx_pes_filter_params
- *params</para>
-</entry><entry
- align="char">
-<para>Pointer to structure containing filter parameters.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>EBUSY</para>
-</entry><entry
- align="char">
-<para>This error code indicates that there are conflicting
- requests. There are active filters filtering data from
- another input source. Make sure that these filters are
- stopped before starting this filter.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-</section>
-
-<section id="DMX_SET_BUFFER_SIZE">
-<title>DMX_SET_BUFFER_SIZE</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call is used to set the size of the circular buffer used for filtered data.
- The default size is two maximum sized sections, i.e. if this function is not called
- a buffer size of 2 * 4096 bytes will be used.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl( int fd, int request =
- DMX_SET_BUFFER_SIZE, unsigned long size);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals DMX_SET_BUFFER_SIZE for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>unsigned long size</para>
-</entry><entry
- align="char">
-<para>Size of circular buffer.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-</section>
-
-<section id="DMX_GET_EVENT">
-<title>DMX_GET_EVENT</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call returns an event if available. If an event is not available,
- the behavior depends on whether the device is in blocking or non-blocking
- mode. In the latter case, the call fails immediately with errno set to
- EWOULDBLOCK. In the former case, the call blocks until an event becomes
- available.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>The standard Linux poll() and/or select() system calls can be used with the
- device file descriptor to watch for new events. For select(), the file descriptor
- should be included in the exceptfds argument, and for poll(), POLLPRI should
- be specified as the wake-up condition. Only the latest event for each filter is
- saved.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl( int fd, int request = DMX_GET_EVENT,
- struct dmx_event &#x22C6;ev);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals DMX_GET_EVENT for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>struct dmx_event *ev</para>
-</entry><entry
- align="char">
-<para>Pointer to the location where the event is to be stored.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>EWOULDBLOCK</para>
-</entry><entry
- align="char">
-<para>There is no event pending, and the device is in
- non-blocking mode.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-</section>
-
-<section id="DMX_GET_STC">
-<title>DMX_GET_STC</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call returns the current value of the system time counter (which is driven
- by a PES filter of type DMX_PES_PCR). Some hardware supports more than one
- STC, so you must specify which one by setting the num field of stc before the ioctl
- (range 0...n). The result is returned in form of a ratio with a 64 bit numerator
- and a 32 bit denominator, so the real 90kHz STC value is stc-&#x003E;stc /
- stc-&#x003E;base
- .</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl( int fd, int request = DMX_GET_STC, struct
- dmx_stc &#x22C6;stc);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals DMX_GET_STC for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>struct dmx_stc *stc</para>
-</entry><entry
- align="char">
-<para>Pointer to the location where the stc is to be stored.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>EINVAL</para>
-</entry><entry
- align="char">
-<para>Invalid stc number.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
- </section>
-
-<section id="DMX_GET_PES_PIDS"
-role="subsection"><title>DMX_GET_PES_PIDS</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl is undocumented. Documentation is welcome.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(fd, int request = DMX_GET_PES_PIDS,
- __u16[5]);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals DMX_GET_PES_PIDS for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>__u16[5]
-</para>
-</entry><entry
- align="char">
-<para>Undocumented.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-</section>
-
-<section id="DMX_GET_CAPS"
-role="subsection"><title>DMX_GET_CAPS</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl is undocumented. Documentation is welcome.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(fd, int request = DMX_GET_CAPS,
- dmx_caps_t *);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals DMX_GET_CAPS for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>dmx_caps_t *
-</para>
-</entry><entry
- align="char">
-<para>Undocumented.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-</section>
-
-<section id="DMX_SET_SOURCE"
-role="subsection"><title>DMX_SET_SOURCE</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl is undocumented. Documentation is welcome.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(fd, int request = DMX_SET_SOURCE,
- dmx_source_t *);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals DMX_SET_SOURCE for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>dmx_source_t *
-</para>
-</entry><entry
- align="char">
-<para>Undocumented.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-</section>
-
-<section id="DMX_ADD_PID"
-role="subsection"><title>DMX_ADD_PID</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call allows to add multiple PIDs to a transport stream filter
-previously set up with DMX_SET_PES_FILTER and output equal to DMX_OUT_TSDEMUX_TAP.
-</para></entry></row><row><entry align="char"><para>
-It is used by readers of /dev/dvb/adapterX/demuxY.
-</para></entry></row><row><entry align="char"><para>
-It may be called at any time, i.e. before or after the first filter on the
-shared file descriptor was started. It makes it possible to record multiple
-services without the need to de-multiplex or re-multiplex TS packets.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(fd, int request = DMX_ADD_PID,
- __u16 *);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals DMX_ADD_PID for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>__u16 *
-</para>
-</entry><entry
- align="char">
-<para>PID number to be filtered.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-</section>
-
-<section id="DMX_REMOVE_PID"
-role="subsection"><title>DMX_REMOVE_PID</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call allows to remove a PID when multiple PIDs are set on a
-transport stream filter, e. g. a filter previously set up with output equal to
-DMX_OUT_TSDEMUX_TAP, created via either DMX_SET_PES_FILTER or DMX_ADD_PID.
-</para></entry></row><row><entry align="char"><para>
-It is used by readers of /dev/dvb/adapterX/demuxY.
-</para></entry></row><row><entry align="char"><para>
-It may be called at any time, i.e. before or after the first filter on the
-shared file descriptor was started. It makes it possible to record multiple
-services without the need to de-multiplex or re-multiplex TS packets.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(fd, int request = DMX_REMOVE_PID,
- __u16 *);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals DMX_REMOVE_PID for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>__u16 *
-</para>
-</entry><entry
- align="char">
-<para>PID of the PES filter to be removed.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-</section>
-
-
-</section>

Documentation/DocBook/media/dvb/dvbapi.xml

@@ -1,156 +0,0 @@
-<partinfo>
-<authorgroup>
-<author>
-<firstname>Ralph</firstname>
-<surname>Metzler</surname>
-<othername role="mi">J. K.</othername>
-<affiliation><address><email>rjkm@metzlerbros.de</email></address></affiliation>
-</author>
-<author>
-<firstname>Marcus</firstname>
-<surname>Metzler</surname>
-<othername role="mi">O. C.</othername>
-<affiliation><address><email>rjkm@metzlerbros.de</email></address></affiliation>
-</author>
-</authorgroup>
-<authorgroup>
-<author>
-<firstname>Mauro</firstname>
-<othername role="mi">Carvalho</othername>
-<surname>Chehab</surname>
-<affiliation><address><email>m.chehab@samsung.com</email></address></affiliation>
-<contrib>Ported document to Docbook XML.</contrib>
-</author>
-</authorgroup>
-<copyright>
-	<year>2002</year>
-	<year>2003</year>
-	<holder>Convergence GmbH</holder>
-</copyright>
-<copyright>
-	<year>2009-2015</year>
-	<holder>Mauro Carvalho Chehab</holder>
-</copyright>
-
-<revhistory>
-<!-- Put document revisions here, newest first. -->
-<revision>
-	<revnumber>2.1.0</revnumber>
-	<date>2015-05-29</date>
-	<authorinitials>mcc</authorinitials>
-	<revremark>
-		DocBook improvements and cleanups, in order to document the
-		system calls on a more standard way and provide more description
-		about the current DVB API.
-	</revremark>
-</revision>
-<revision>
-	<revnumber>2.0.4</revnumber>
-	<date>2011-05-06</date>
-	<authorinitials>mcc</authorinitials>
-	<revremark>
-		Add more information about DVB APIv5, better describing the frontend GET/SET props ioctl's.
-	</revremark>
-</revision>
-<revision>
-	<revnumber>2.0.3</revnumber>
-	<date>2010-07-03</date>
-	<authorinitials>mcc</authorinitials>
-	<revremark>
-		Add some frontend capabilities flags, present on kernel, but missing at the specs.
-	</revremark>
-</revision>
-<revision>
-	<revnumber>2.0.2</revnumber>
-	<date>2009-10-25</date>
-	<authorinitials>mcc</authorinitials>
-	<revremark>
-		documents FE_SET_FRONTEND_TUNE_MODE and FE_DISHETWORK_SEND_LEGACY_CMD ioctls.
-	</revremark>
-</revision>
-<revision>
-<revnumber>2.0.1</revnumber>
-<date>2009-09-16</date>
-<authorinitials>mcc</authorinitials>
-<revremark>
-Added ISDB-T test originally written by Patrick Boettcher
-</revremark>
-</revision>
-<revision>
-<revnumber>2.0.0</revnumber>
-<date>2009-09-06</date>
-<authorinitials>mcc</authorinitials>
-<revremark>Conversion from LaTex to DocBook XML. The
-	contents is the same as the original LaTex version.</revremark>
-</revision>
-<revision>
-<revnumber>1.0.0</revnumber>
-<date>2003-07-24</date>
-<authorinitials>rjkm</authorinitials>
-<revremark>Initial revision on LaTEX.</revremark>
-</revision>
-</revhistory>
-</partinfo>
-
-
-<title>LINUX DVB API</title>
-<subtitle>Version 5.10</subtitle>
-<!-- ADD THE CHAPTERS HERE -->
-  <chapter id="dvb_introdution">
-    &sub-intro;
-  </chapter>
-  <chapter id="dvb_frontend">
-    &sub-frontend;
-  </chapter>
-  <chapter id="dvb_demux">
-    &sub-demux;
-  </chapter>
-  <chapter id="dvb_ca">
-    &sub-ca;
-  </chapter>
-  <chapter id="net">
-    &sub-net;
-  </chapter>
-  <chapter id="legacy_dvb_apis">
-  <title>DVB Deprecated APIs</title>
-  <para>The APIs described here are kept only for historical reasons. There's
-      just one driver for a very legacy hardware that uses this API. No
-      modern drivers should use it. Instead, audio and video should be using
-      the V4L2 and ALSA APIs, and the pipelines should be set using the
-      Media Controller API</para>
-    <section id="dvb_video">
-	&sub-video;
-    </section>
-    <section id="dvb_audio">
-	&sub-audio;
-    </section>
-  </chapter>
-  <chapter id="dvb_examples">
-    &sub-examples;
-  </chapter>
-<!-- END OF CHAPTERS -->
-  <appendix id="audio_h">
-    <title>DVB Audio Header File</title>
-    &sub-audio-h;
-  </appendix>
-  <appendix id="ca_h">
-    <title>DVB Conditional Access Header File</title>
-    &sub-ca-h;
-  </appendix>
-  <appendix id="dmx_h">
-    <title>DVB Demux Header File</title>
-    &sub-dmx-h;
-  </appendix>
-  <appendix id="frontend_h">
-    <title>DVB Frontend Header File</title>
-    &sub-frontend-h;
-  </appendix>
-  <appendix id="net_h">
-    <title>DVB Network Header File</title>
-    &sub-net-h;
-  </appendix>
-  <appendix id="video_h">
-    <title>DVB Video Header File</title>
-    &sub-video-h;
-  </appendix>
-

Documentation/DocBook/media/dvb/dvbproperty.xml

@@ -1,1680 +0,0 @@
-<section id="frontend-properties">
-<title>DVB Frontend properties</title>
-<para>Tuning into a Digital TV physical channel and starting decoding it
-    requires changing a set of parameters, in order to control the
-    tuner, the demodulator, the Linear Low-noise Amplifier (LNA) and to set the
-    antenna subsystem via Satellite Equipment Control (SEC), on satellite
-    systems. The actual parameters are specific to each particular digital
-    TV standards, and may change as the digital TV specs evolves.</para>
-<para>In the past, the strategy used was to have a union with the parameters
-    needed to tune for DVB-S, DVB-C, DVB-T and ATSC delivery systems grouped
-    there. The problem is that, as the second generation standards appeared,
-    those structs were not big enough to contain the additional parameters.
-    Also, the union didn't have any space left to be expanded without breaking
-    userspace. So, the decision was to deprecate the legacy union/struct based
-    approach, in favor of a properties set approach.</para>
-
-<para>NOTE: on Linux DVB API version 3, setting a frontend were done via
-    <link linkend="dvb-frontend-parameters">struct  <constant>dvb_frontend_parameters</constant></link>.
-    This got replaced on version 5 (also called "S2API", as this API were
-    added originally_enabled to provide support for DVB-S2), because the old
-    API has a very limited support to new standards and new hardware. This
-    section describes the new and recommended way to set the frontend, with
-    suppports all digital TV delivery systems.</para>
-
-<para>Example: with the properties based approach, in order to set the tuner
-    to a DVB-C channel at 651 kHz, modulated with 256-QAM, FEC 3/4 and symbol
-    rate of 5.217 Mbauds, those properties should be sent to
-    <link linkend="FE_GET_PROPERTY"><constant>FE_SET_PROPERTY</constant></link> ioctl:</para>
-    <itemizedlist>
-	<listitem><para>&DTV-DELIVERY-SYSTEM; = SYS_DVBC_ANNEX_A</para></listitem>
-	<listitem><para>&DTV-FREQUENCY; = 651000000</para></listitem>
-	<listitem><para>&DTV-MODULATION; = QAM_256</para></listitem>
-	<listitem><para>&DTV-INVERSION; = INVERSION_AUTO</para></listitem>
-	<listitem><para>&DTV-SYMBOL-RATE; = 5217000</para></listitem>
-	<listitem><para>&DTV-INNER-FEC; = FEC_3_4</para></listitem>
-	<listitem><para>&DTV-TUNE;</para></listitem>
-    </itemizedlist>
-
-<para>The code that would do the above is:</para>
-<programlisting>
-#include &lt;stdio.h&gt;
-#include &lt;fcntl.h&gt;
-#include &lt;sys/ioctl.h&gt;
-#include &lt;linux/dvb/frontend.h&gt;
-
-static struct dtv_property props[] = {
-	{ .cmd = DTV_DELIVERY_SYSTEM, .u.data = SYS_DVBC_ANNEX_A },
-	{ .cmd = DTV_FREQUENCY,       .u.data = 651000000 },
-	{ .cmd = DTV_MODULATION,      .u.data = QAM_256 },
-	{ .cmd = DTV_INVERSION,       .u.data = INVERSION_AUTO },
-	{ .cmd = DTV_SYMBOL_RATE,     .u.data = 5217000 },
-	{ .cmd = DTV_INNER_FEC,       .u.data = FEC_3_4 },
-	{ .cmd = DTV_TUNE }
-};
-
-static struct dtv_properties dtv_prop = {
-	.num = 6, .props = props
-};
-
-int main(void)
-{
-	int fd = open("/dev/dvb/adapter0/frontend0", O_RDWR);
-
-	if (!fd) {
-	    perror ("open");
-	    return -1;
-	}
-	if (ioctl(fd, FE_SET_PROPERTY, &amp;dtv_prop) == -1) {
-		perror("ioctl");
-		return -1;
-	}
-	printf("Frontend set\n");
-	return 0;
-}
-</programlisting>
-
-<para>NOTE: While it is possible to directly call the Kernel code like the
-    above example, it is strongly recommended to use
-    <ulink url="https://linuxtv.org/docs/libdvbv5/index.html">libdvbv5</ulink>,
-    as it provides abstraction to work with the supported digital TV standards
-    and provides methods for usual operations like program scanning and to
-    read/write channel descriptor files.</para>
-
-<section id="dtv-stats">
-<title>struct <structname>dtv_stats</structname></title>
-<programlisting>
-struct dtv_stats {
-	__u8 scale;	/* enum fecap_scale_params type */
-	union {
-		__u64 uvalue;	/* for counters and relative scales */
-		__s64 svalue;	/* for 1/1000 dB measures */
-	};
-} __packed;
-</programlisting>
-</section>
-<section id="dtv-fe-stats">
-<title>struct <structname>dtv_fe_stats</structname></title>
-<programlisting>
-#define MAX_DTV_STATS   4
-
-struct dtv_fe_stats {
-	__u8 len;
-	&dtv-stats; stat[MAX_DTV_STATS];
-} __packed;
-</programlisting>
-</section>
-
-<section id="dtv-property">
-<title>struct <structname>dtv_property</structname></title>
-<programlisting>
-/* Reserved fields should be set to 0 */
-
-struct dtv_property {
-	__u32 cmd;
-	__u32 reserved[3];
-	union {
-		__u32 data;
-		&dtv-fe-stats; st;
-		struct {
-			__u8 data[32];
-			__u32 len;
-			__u32 reserved1[3];
-			void *reserved2;
-		} buffer;
-	} u;
-	int result;
-} __attribute__ ((packed));
-
-/* num of properties cannot exceed DTV_IOCTL_MAX_MSGS per ioctl */
-#define DTV_IOCTL_MAX_MSGS 64
-</programlisting>
-</section>
-<section id="dtv-properties">
-<title>struct <structname>dtv_properties</structname></title>
-<programlisting>
-struct dtv_properties {
-	__u32 num;
-	&dtv-property; *props;
-};
-</programlisting>
-</section>
-
-<section>
-	<title>Property types</title>
-<para>
-On <link linkend="FE_GET_PROPERTY">FE_GET_PROPERTY and FE_SET_PROPERTY</link>,
-the actual action is determined by the dtv_property cmd/data pairs. With one single ioctl, is possible to
-get/set up to 64 properties. The actual meaning of each property is described on the next sections.
-</para>
-
-<para>The available frontend property types are shown on the next section.</para>
-</section>
-
-<section id="fe_property_parameters">
-	<title>Digital TV property parameters</title>
-	<section id="DTV-UNDEFINED">
-	<title><constant>DTV_UNDEFINED</constant></title>
-	<para>Used internally. A GET/SET operation for it won't change or return anything.</para>
-	</section>
-	<section id="DTV-TUNE">
-	<title><constant>DTV_TUNE</constant></title>
-	<para>Interpret the cache of data, build either a traditional frontend tunerequest so we can pass validation in the <constant>FE_SET_FRONTEND</constant> ioctl.</para>
-	</section>
-	<section id="DTV-CLEAR">
-	<title><constant>DTV_CLEAR</constant></title>
-	<para>Reset a cache of data specific to the frontend here. This does not effect hardware.</para>
-	</section>
-	<section id="DTV-FREQUENCY">
-		<title><constant>DTV_FREQUENCY</constant></title>
-
-		<para>Central frequency of the channel.</para>
-
-		<para>Notes:</para>
-		<para>1)For satellite delivery systems, it is measured in kHz.
-			For the other ones, it is measured in Hz.</para>
-		<para>2)For ISDB-T, the channels are usually transmitted with an offset of 143kHz.
-			E.g. a valid frequency could be 474143 kHz. The stepping is bound to the bandwidth of
-			the channel which is 6MHz.</para>
-
-		<para>3)As in ISDB-Tsb the channel consists of only one or three segments the
-			frequency step is 429kHz, 3*429 respectively. As for ISDB-T the
-			central frequency of the channel is expected.</para>
-	</section>
-	<section id="DTV-MODULATION">
-	<title><constant>DTV_MODULATION</constant></title>
-<para>Specifies the frontend modulation type for delivery systems that supports
-    more than one modulation type. The modulation can be one of the types
-    defined by &fe-modulation;.</para>
-
-
-<section id="fe-modulation-t">
-<title>Modulation property</title>
-
-<para>Most of the digital TV standards currently offers more than one possible
-    modulation (sometimes called as "constellation" on some standards). This
-    enum contains the values used by the Kernel. Please note that not all
-    modulations are supported by a given standard.</para>
-
-<table pgwide="1" frame="none" id="fe-modulation">
-    <title>enum fe_modulation</title>
-    <tgroup cols="2">
-	&cs-def;
-	<thead>
-	<row>
-	    <entry>ID</entry>
-	    <entry>Description</entry>
-	</row>
-	</thead>
-	<tbody valign="top">
-	<row>
-	    <entry id="QPSK"><constant>QPSK</constant></entry>
-	    <entry>QPSK modulation</entry>
-	</row><row>
-	    <entry id="QAM-16"><constant>QAM_16</constant></entry>
-	    <entry>16-QAM modulation</entry>
-	</row><row>
-	    <entry id="QAM-32"><constant>QAM_32</constant></entry>
-	    <entry>32-QAM modulation</entry>
-	</row><row>
-	    <entry id="QAM-64"><constant>QAM_64</constant></entry>
-	    <entry>64-QAM modulation</entry>
-	</row><row>
-	    <entry id="QAM-128"><constant>QAM_128</constant></entry>
-	    <entry>128-QAM modulation</entry>
-	</row><row>
-	    <entry id="QAM-256"><constant>QAM_256</constant></entry>
-	    <entry>256-QAM modulation</entry>
-	</row><row>
-	    <entry id="QAM-AUTO"><constant>QAM_AUTO</constant></entry>
-	    <entry>Autodetect QAM modulation</entry>
-	</row><row>
-	    <entry id="VSB-8"><constant>VSB_8</constant></entry>
-	    <entry>8-VSB modulation</entry>
-	</row><row>
-	    <entry id="VSB-16"><constant>VSB_16</constant></entry>
-	    <entry>16-VSB modulation</entry>
-	</row><row>
-	    <entry id="PSK-8"><constant>PSK_8</constant></entry>
-	    <entry>8-PSK modulation</entry>
-	</row><row>
-	    <entry id="APSK-16"><constant>APSK_16</constant></entry>
-	    <entry>16-APSK modulation</entry>
-	</row><row>
-	    <entry id="APSK-32"><constant>APSK_32</constant></entry>
-	    <entry>32-APSK modulation</entry>
-	</row><row>
-	    <entry id="DQPSK"><constant>DQPSK</constant></entry>
-	    <entry>DQPSK modulation</entry>
-	</row><row>
-	    <entry id="QAM-4-NR"><constant>QAM_4_NR</constant></entry>
-	    <entry>4-QAM-NR modulation</entry>
-	</row>
-        </tbody>
-    </tgroup>
-</table>
-</section>
-
-	</section>
-	<section id="DTV-BANDWIDTH-HZ">
-		<title><constant>DTV_BANDWIDTH_HZ</constant></title>
-
-		<para>Bandwidth for the channel, in HZ.</para>
-
-		<para>Possible values:
-			<constant>1712000</constant>,
-			<constant>5000000</constant>,
-			<constant>6000000</constant>,
-			<constant>7000000</constant>,
-			<constant>8000000</constant>,
-			<constant>10000000</constant>.
-		</para>
-
-		<para>Notes:</para>
-
-		<para>1) For ISDB-T it should be always 6000000Hz (6MHz)</para>
-		<para>2) For ISDB-Tsb it can vary depending on the number of connected segments</para>
-		<para>3) Bandwidth doesn't apply for DVB-C transmissions, as the bandwidth
-			 for DVB-C depends on the symbol rate</para>
-		<para>4) Bandwidth in ISDB-T is fixed (6MHz) or can be easily derived from
-			other parameters (DTV_ISDBT_SB_SEGMENT_IDX,
-			DTV_ISDBT_SB_SEGMENT_COUNT).</para>
-		<para>5) DVB-T supports 6, 7 and 8MHz.</para>
-		<para>6) In addition, DVB-T2 supports 1.172, 5 and 10MHz.</para>
-	</section>
-	<section id="DTV-INVERSION">
-	<title><constant>DTV_INVERSION</constant></title>
-
-	<para>Specifies if the frontend should do spectral inversion or not.</para>
-
-<section id="fe-spectral-inversion-t">
-<title>enum fe_modulation: Frontend spectral inversion</title>
-
-<para>This parameter indicates if spectral inversion should be presumed or not.
-    In the automatic setting (<constant>INVERSION_AUTO</constant>) the hardware
-    will try to figure out the correct setting by itself. If the hardware
-    doesn't support, the DVB core will try to lock at the carrier first with
-    inversion off. If it fails, it will try to enable inversion.
-</para>
-
-<table pgwide="1" frame="none" id="fe-spectral-inversion">
-    <title>enum fe_modulation</title>
-    <tgroup cols="2">
-	&cs-def;
-	<thead>
-	<row>
-	    <entry>ID</entry>
-	    <entry>Description</entry>
-	</row>
-	</thead>
-	<tbody valign="top">
-	<row>
-	    <entry id="INVERSION-OFF"><constant>INVERSION_OFF</constant></entry>
-	    <entry>Don't do spectral band inversion.</entry>
-	</row><row>
-	    <entry id="INVERSION-ON"><constant>INVERSION_ON</constant></entry>
-	    <entry>Do spectral band inversion.</entry>
-	</row><row>
-	    <entry id="INVERSION-AUTO"><constant>INVERSION_AUTO</constant></entry>
-	    <entry>Autodetect spectral band inversion.</entry>
-	</row>
-        </tbody>
-    </tgroup>
-</table>
-</section>
-
-	</section>
-	<section id="DTV-DISEQC-MASTER">
-	<title><constant>DTV_DISEQC_MASTER</constant></title>
-	<para>Currently not implemented.</para>
-	</section>
-	<section id="DTV-SYMBOL-RATE">
-	<title><constant>DTV_SYMBOL_RATE</constant></title>
-	<para>Digital TV symbol rate, in bauds (symbols/second). Used on cable standards.</para>
-	</section>
-	<section id="DTV-INNER-FEC">
-	<title><constant>DTV_INNER_FEC</constant></title>
-	<para>Used cable/satellite transmissions. The acceptable values are:
-	</para>
-<section id="fe-code-rate-t">
-<title>enum fe_code_rate: type of the Forward Error Correction.</title>
-
-<table pgwide="1" frame="none" id="fe-code-rate">
-    <title>enum fe_code_rate</title>
-    <tgroup cols="2">
-	&cs-def;
-	<thead>
-	<row>
-	    <entry>ID</entry>
-	    <entry>Description</entry>
-	</row>
-	</thead>
-	<tbody valign="top">
-	<row>
-	    <entry id="FEC-NONE"><constant>FEC_NONE</constant></entry>
-	    <entry>No Forward Error Correction Code</entry>
-	</row><row>
-	    <entry id="FEC-AUTO"><constant>FEC_AUTO</constant></entry>
-	    <entry>Autodetect Error Correction Code</entry>
-	</row><row>
-	    <entry id="FEC-1-2"><constant>FEC_1_2</constant></entry>
-	    <entry>Forward Error Correction Code 1/2</entry>
-	</row><row>
-	    <entry id="FEC-2-3"><constant>FEC_2_3</constant></entry>
-	    <entry>Forward Error Correction Code 2/3</entry>
-	</row><row>
-	    <entry id="FEC-3-4"><constant>FEC_3_4</constant></entry>
-	    <entry>Forward Error Correction Code 3/4</entry>
-	</row><row>
-	    <entry id="FEC-4-5"><constant>FEC_4_5</constant></entry>
-	    <entry>Forward Error Correction Code 4/5</entry>
-	</row><row>
-	    <entry id="FEC-5-6"><constant>FEC_5_6</constant></entry>
-	    <entry>Forward Error Correction Code 5/6</entry>
-	</row><row>
-	    <entry id="FEC-6-7"><constant>FEC_6_7</constant></entry>
-	    <entry>Forward Error Correction Code 6/7</entry>
-	</row><row>
-	    <entry id="FEC-7-8"><constant>FEC_7_8</constant></entry>
-	    <entry>Forward Error Correction Code 7/8</entry>
-	</row><row>
-	    <entry id="FEC-8-9"><constant>FEC_8_9</constant></entry>
-	    <entry>Forward Error Correction Code 8/9</entry>
-	</row><row>
-	    <entry id="FEC-9-10"><constant>FEC_9_10</constant></entry>
-	    <entry>Forward Error Correction Code 9/10</entry>
-	</row><row>
-	    <entry id="FEC-2-5"><constant>FEC_2_5</constant></entry>
-	    <entry>Forward Error Correction Code 2/5</entry>
-	</row><row>
-	    <entry id="FEC-3-5"><constant>FEC_3_5</constant></entry>
-	    <entry>Forward Error Correction Code 3/5</entry>
-	</row>
-        </tbody>
-    </tgroup>
-</table>
-</section>
-	</section>
-	<section id="DTV-VOLTAGE">
-	<title><constant>DTV_VOLTAGE</constant></title>
-	<para>The voltage is usually used with non-DiSEqC capable LNBs to switch
-	the polarzation (horizontal/vertical). When using DiSEqC epuipment this
-	voltage has to be switched consistently to the DiSEqC commands as
-	described in the DiSEqC spec.</para>
-
-<table pgwide="1" frame="none" id="fe-sec-voltage">
-    <title id="fe-sec-voltage-t">enum fe_sec_voltage</title>
-    <tgroup cols="2">
-	&cs-def;
-	<thead>
-	<row>
-	    <entry>ID</entry>
-	    <entry>Description</entry>
-	</row>
-	</thead>
-	<tbody valign="top">
-	<row>
-	    <entry align="char" id="SEC-VOLTAGE-13"><constant>SEC_VOLTAGE_13</constant></entry>
-	    <entry align="char">Set DC voltage level to 13V</entry>
-	</row><row>
-	    <entry align="char" id="SEC-VOLTAGE-18"><constant>SEC_VOLTAGE_18</constant></entry>
-	    <entry align="char">Set DC voltage level to 18V</entry>
-	</row><row>
-	    <entry align="char" id="SEC-VOLTAGE-OFF"><constant>SEC_VOLTAGE_OFF</constant></entry>
-	    <entry align="char">Don't send any voltage to the antenna</entry>
-	</row>
-        </tbody>
-    </tgroup>
-</table>
-	</section>
-	<section id="DTV-TONE">
-	<title><constant>DTV_TONE</constant></title>
-	<para>Currently not used.</para>
-	</section>
-	<section id="DTV-PILOT">
-	<title><constant>DTV_PILOT</constant></title>
-	<para>Sets DVB-S2 pilot</para>
-	<section id="fe-pilot-t">
-		<title>fe_pilot type</title>
-<table pgwide="1" frame="none" id="fe-pilot">
-    <title>enum fe_pilot</title>
-    <tgroup cols="2">
-	&cs-def;
-	<thead>
-	<row>
-	    <entry>ID</entry>
-	    <entry>Description</entry>
-	</row>
-	</thead>
-	<tbody valign="top">
-	<row>
-	    <entry align="char" id="PILOT-ON"><constant>PILOT_ON</constant></entry>
-	    <entry align="char">Pilot tones enabled</entry>
-	</row><row>
-	    <entry align="char" id="PILOT-OFF"><constant>PILOT_OFF</constant></entry>
-	    <entry align="char">Pilot tones disabled</entry>
-	</row><row>
-	    <entry align="char" id="PILOT-AUTO"><constant>PILOT_AUTO</constant></entry>
-	    <entry align="char">Autodetect pilot tones</entry>
-	</row>
-        </tbody>
-    </tgroup>
-</table>
-		</section>
-	</section>
-	<section id="DTV-ROLLOFF">
-	<title><constant>DTV_ROLLOFF</constant></title>
-		<para>Sets DVB-S2 rolloff</para>
-
-	<section id="fe-rolloff-t">
-		<title>fe_rolloff type</title>
-<table pgwide="1" frame="none" id="fe-rolloff">
-    <title>enum fe_rolloff</title>
-    <tgroup cols="2">
-	&cs-def;
-	<thead>
-	<row>
-	    <entry>ID</entry>
-	    <entry>Description</entry>
-	</row>
-	</thead>
-	<tbody valign="top">
-	<row>
-	    <entry align="char" id="ROLLOFF-35"><constant>ROLLOFF_35</constant></entry>
-	    <entry align="char">Roloff factor: &alpha;=35%</entry>
-	</row><row>
-	    <entry align="char" id="ROLLOFF-20"><constant>ROLLOFF_20</constant></entry>
-	    <entry align="char">Roloff factor: &alpha;=20%</entry>
-	</row><row>
-	    <entry align="char" id="ROLLOFF-25"><constant>ROLLOFF_25</constant></entry>
-	    <entry align="char">Roloff factor: &alpha;=25%</entry>
-	</row><row>
-	    <entry align="char" id="ROLLOFF-AUTO"><constant>ROLLOFF_AUTO</constant></entry>
-	    <entry align="char">Auto-detect the roloff factor.</entry>
-	</row>
-        </tbody>
-    </tgroup>
-</table>
-		</section>
-	</section>
-	<section id="DTV-DISEQC-SLAVE-REPLY">
-	<title><constant>DTV_DISEQC_SLAVE_REPLY</constant></title>
-	<para>Currently not implemented.</para>
-	</section>
-	<section id="DTV-FE-CAPABILITY-COUNT">
-	<title><constant>DTV_FE_CAPABILITY_COUNT</constant></title>
-	<para>Currently not implemented.</para>
-	</section>
-	<section id="DTV-FE-CAPABILITY">
-	<title><constant>DTV_FE_CAPABILITY</constant></title>
-	<para>Currently not implemented.</para>
-	</section>
-	<section id="DTV-DELIVERY-SYSTEM">
-		<title><constant>DTV_DELIVERY_SYSTEM</constant></title>
-		<para>Specifies the type of Delivery system</para>
-		<section id="fe-delivery-system-t">
-		<title>fe_delivery_system type</title>
-		<para>Possible values: </para>
-
-<table pgwide="1" frame="none" id="fe-delivery-system">
-    <title>enum fe_delivery_system</title>
-    <tgroup cols="2">
-	&cs-def;
-	<thead>
-	<row>
-	    <entry>ID</entry>
-	    <entry>Description</entry>
-	</row>
-	</thead>
-	<tbody valign="top">
-	<row>
-		<entry id="SYS-UNDEFINED"><constant>SYS_UNDEFINED</constant></entry>
-		<entry>Undefined standard. Generally, indicates an error</entry>
-	</row><row>
-		<entry id="SYS-DVBC-ANNEX-A"><constant>SYS_DVBC_ANNEX_A</constant></entry>
-		<entry>Cable TV: DVB-C following ITU-T J.83 Annex A spec</entry>
-	</row><row>
-		<entry id="SYS-DVBC-ANNEX-B"><constant>SYS_DVBC_ANNEX_B</constant></entry>
-		<entry>Cable TV: DVB-C following ITU-T J.83 Annex B spec (ClearQAM)</entry>
-	</row><row>
-		<entry id="SYS-DVBC-ANNEX-C"><constant>SYS_DVBC_ANNEX_C</constant></entry>
-		<entry>Cable TV: DVB-C following ITU-T J.83 Annex C spec</entry>
-	</row><row>
-		<entry id="SYS-ISDBC"><constant>SYS_ISDBC</constant></entry>
-		<entry>Cable TV: ISDB-C (no drivers yet)</entry>
-	</row><row>
-		<entry id="SYS-DVBT"><constant>SYS_DVBT</constant></entry>
-		<entry>Terrestral TV: DVB-T</entry>
-	</row><row>
-		<entry id="SYS-DVBT2"><constant>SYS_DVBT2</constant></entry>
-		<entry>Terrestral TV: DVB-T2</entry>
-	</row><row>
-		<entry id="SYS-ISDBT"><constant>SYS_ISDBT</constant></entry>
-		<entry>Terrestral TV: ISDB-T</entry>
-	</row><row>
-		<entry id="SYS-ATSC"><constant>SYS_ATSC</constant></entry>
-		<entry>Terrestral TV: ATSC</entry>
-	</row><row>
-		<entry id="SYS-ATSCMH"><constant>SYS_ATSCMH</constant></entry>
-		<entry>Terrestral TV (mobile): ATSC-M/H</entry>
-	</row><row>
-		<entry id="SYS-DTMB"><constant>SYS_DTMB</constant></entry>
-		<entry>Terrestrial TV: DTMB</entry>
-	</row><row>
-		<entry id="SYS-DVBS"><constant>SYS_DVBS</constant></entry>
-		<entry>Satellite TV: DVB-S</entry>
-	</row><row>
-		<entry id="SYS-DVBS2"><constant>SYS_DVBS2</constant></entry>
-		<entry>Satellite TV: DVB-S2</entry>
-	</row><row>
-		<entry id="SYS-TURBO"><constant>SYS_TURBO</constant></entry>
-		<entry>Satellite TV: DVB-S Turbo</entry>
-	</row><row>
-		<entry id="SYS-ISDBS"><constant>SYS_ISDBS</constant></entry>
-		<entry>Satellite TV: ISDB-S</entry>
-	</row><row>
-		<entry id="SYS-DAB"><constant>SYS_DAB</constant></entry>
-		<entry>Digital audio: DAB (not fully supported)</entry>
-	</row><row>
-		<entry id="SYS-DSS"><constant>SYS_DSS</constant></entry>
-		<entry>Satellite TV:"DSS (not fully supported)</entry>
-	</row><row>
-		<entry id="SYS-CMMB"><constant>SYS_CMMB</constant></entry>
-		<entry>Terrestral TV (mobile):CMMB (not fully supported)</entry>
-	</row><row>
-		<entry id="SYS-DVBH"><constant>SYS_DVBH</constant></entry>
-		<entry>Terrestral TV (mobile): DVB-H (standard deprecated)</entry>
-	</row>
-        </tbody>
-    </tgroup>
-</table>
-
-
-</section>
-	</section>
-	<section id="DTV-ISDBT-PARTIAL-RECEPTION">
-		<title><constant>DTV_ISDBT_PARTIAL_RECEPTION</constant></title>
-
-		<para>If <constant>DTV_ISDBT_SOUND_BROADCASTING</constant> is '0' this bit-field represents whether
-			the channel is in partial reception mode or not.</para>
-
-		<para>If '1' <constant>DTV_ISDBT_LAYERA_*</constant> values are assigned to the center segment and
-			<constant>DTV_ISDBT_LAYERA_SEGMENT_COUNT</constant> has to be '1'.</para>
-
-		<para>If in addition <constant>DTV_ISDBT_SOUND_BROADCASTING</constant> is '1'
-			<constant>DTV_ISDBT_PARTIAL_RECEPTION</constant> represents whether this ISDB-Tsb channel
-			is consisting of one segment and layer or three segments and two layers.</para>
-
-		<para>Possible values: 0, 1, -1 (AUTO)</para>
-	</section>
-	<section id="DTV-ISDBT-SOUND-BROADCASTING">
-		<title><constant>DTV_ISDBT_SOUND_BROADCASTING</constant></title>
-
-		<para>This field represents whether the other DTV_ISDBT_*-parameters are
-			referring to an ISDB-T and an ISDB-Tsb channel. (See also
-			<constant>DTV_ISDBT_PARTIAL_RECEPTION</constant>).</para>
-
-		<para>Possible values: 0, 1, -1 (AUTO)</para>
-	</section>
-	<section id="DTV-ISDBT-SB-SUBCHANNEL-ID">
-		<title><constant>DTV_ISDBT_SB_SUBCHANNEL_ID</constant></title>
-
-		<para>This field only applies if <constant>DTV_ISDBT_SOUND_BROADCASTING</constant> is '1'.</para>
-
-		<para>(Note of the author: This might not be the correct description of the
-			<constant>SUBCHANNEL-ID</constant> in all details, but it is my understanding of the technical
-			background needed to program a device)</para>
-
-		<para>An ISDB-Tsb channel (1 or 3 segments) can be broadcasted alone or in a
-			set of connected ISDB-Tsb channels. In this set of channels every
-			channel can be received independently. The number of connected
-			ISDB-Tsb segment can vary, e.g. depending on the frequency spectrum
-			bandwidth available.</para>
-
-		<para>Example: Assume 8 ISDB-Tsb connected segments are broadcasted. The
-			broadcaster has several possibilities to put those channels in the
-			air: Assuming a normal 13-segment ISDB-T spectrum he can align the 8
-			segments from position 1-8 to 5-13 or anything in between.</para>
-
-		<para>The underlying layer of segments are subchannels: each segment is
-			consisting of several subchannels with a predefined IDs. A sub-channel
-			is used to help the demodulator to synchronize on the channel.</para>
-
-		<para>An ISDB-T channel is always centered over all sub-channels. As for
-			the example above, in ISDB-Tsb it is no longer as simple as that.</para>
-
-		<para><constant>The DTV_ISDBT_SB_SUBCHANNEL_ID</constant> parameter is used to give the
-			sub-channel ID of the segment to be demodulated.</para>
-
-		<para>Possible values: 0 .. 41, -1 (AUTO)</para>
-	</section>
-	<section id="DTV-ISDBT-SB-SEGMENT-IDX">
-		<title><constant>DTV_ISDBT_SB_SEGMENT_IDX</constant></title>
-		<para>This field only applies if <constant>DTV_ISDBT_SOUND_BROADCASTING</constant> is '1'.</para>
-		<para><constant>DTV_ISDBT_SB_SEGMENT_IDX</constant> gives the index of the segment to be
-			demodulated for an ISDB-Tsb channel where several of them are
-			transmitted in the connected manner.</para>
-		<para>Possible values: 0 .. <constant>DTV_ISDBT_SB_SEGMENT_COUNT</constant> - 1</para>
-		<para>Note: This value cannot be determined by an automatic channel search.</para>
-	</section>
-	<section id="DTV-ISDBT-SB-SEGMENT-COUNT">
-		<title><constant>DTV_ISDBT_SB_SEGMENT_COUNT</constant></title>
-		<para>This field only applies if <constant>DTV_ISDBT_SOUND_BROADCASTING</constant> is '1'.</para>
-		<para><constant>DTV_ISDBT_SB_SEGMENT_COUNT</constant> gives the total count of connected ISDB-Tsb
-			channels.</para>
-		<para>Possible values: 1 .. 13</para>
-		<para>Note: This value cannot be determined by an automatic channel search.</para>
-	</section>
-	<section id="isdb-hierq-layers">
-		<title><constant>DTV-ISDBT-LAYER*</constant> parameters</title>
-		<para>ISDB-T channels can be coded hierarchically. As opposed to DVB-T in
-			ISDB-T hierarchical layers can be decoded simultaneously. For that
-			reason a ISDB-T demodulator has 3 Viterbi and 3 Reed-Solomon decoders.</para>
-		<para>ISDB-T has 3 hierarchical layers which each can use a part of the
-			available segments. The total number of segments over all layers has
-			to 13 in ISDB-T.</para>
-		<para>There are 3 parameter sets, for Layers A, B and C.</para>
-		<section id="DTV-ISDBT-LAYER-ENABLED">
-			<title><constant>DTV_ISDBT_LAYER_ENABLED</constant></title>
-			<para>Hierarchical reception in ISDB-T is achieved by enabling or disabling
-				layers in the decoding process. Setting all bits of
-				<constant>DTV_ISDBT_LAYER_ENABLED</constant> to '1' forces all layers (if applicable) to be
-				demodulated. This is the default.</para>
-			<para>If the channel is in the partial reception mode
-				(<constant>DTV_ISDBT_PARTIAL_RECEPTION</constant> = 1) the central segment can be decoded
-				independently of the other 12 segments. In that mode layer A has to
-				have a <constant>SEGMENT_COUNT</constant> of 1.</para>
-			<para>In ISDB-Tsb only layer A is used, it can be 1 or 3 in ISDB-Tsb
-				according to <constant>DTV_ISDBT_PARTIAL_RECEPTION</constant>. <constant>SEGMENT_COUNT</constant> must be filled
-				accordingly.</para>
-			<para>Possible values: 0x1, 0x2, 0x4 (|-able)</para>
-			<para><constant>DTV_ISDBT_LAYER_ENABLED[0:0]</constant> - layer A</para>
-			<para><constant>DTV_ISDBT_LAYER_ENABLED[1:1]</constant> - layer B</para>
-			<para><constant>DTV_ISDBT_LAYER_ENABLED[2:2]</constant> - layer C</para>
-			<para><constant>DTV_ISDBT_LAYER_ENABLED[31:3]</constant> unused</para>
-		</section>
-		<section id="DTV-ISDBT-LAYER-FEC">
-			<title><constant>DTV_ISDBT_LAYER*_FEC</constant></title>
-			<para>Possible values: <constant>FEC_AUTO</constant>, <constant>FEC_1_2</constant>, <constant>FEC_2_3</constant>, <constant>FEC_3_4</constant>, <constant>FEC_5_6</constant>, <constant>FEC_7_8</constant></para>
-		</section>
-		<section id="DTV-ISDBT-LAYER-MODULATION">
-			<title><constant>DTV_ISDBT_LAYER*_MODULATION</constant></title>
-			<para>Possible values: <constant>QAM_AUTO</constant>, QP<constant>SK, QAM_16</constant>, <constant>QAM_64</constant>, <constant>DQPSK</constant></para>
-			<para>Note: If layer C is <constant>DQPSK</constant> layer B has to be <constant>DQPSK</constant>. If layer B is <constant>DQPSK</constant>
-				and <constant>DTV_ISDBT_PARTIAL_RECEPTION</constant>=0 layer has to be <constant>DQPSK</constant>.</para>
-		</section>
-		<section id="DTV-ISDBT-LAYER-SEGMENT-COUNT">
-			<title><constant>DTV_ISDBT_LAYER*_SEGMENT_COUNT</constant></title>
-			<para>Possible values: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, -1 (AUTO)</para>
-			<para>Note: Truth table for <constant>DTV_ISDBT_SOUND_BROADCASTING</constant> and
-				<constant>DTV_ISDBT_PARTIAL_RECEPTION</constant> and <constant>LAYER</constant>*_SEGMENT_COUNT</para>
-			<informaltable id="isdbt-layer_seg-cnt-table">
-				<tgroup cols="6">
-					<tbody>
-						<row>
-							<entry>PR</entry>
-							<entry>SB</entry>
-							<entry>Layer A width</entry>
-							<entry>Layer B width</entry>
-							<entry>Layer C width</entry>
-							<entry>total width</entry>
-						</row>
-						<row>
-							<entry>0</entry>
-							<entry>0</entry>
-							<entry>1 .. 13</entry>
-							<entry>1 .. 13</entry>
-							<entry>1 .. 13</entry>
-							<entry>13</entry>
-						</row>
-						<row>
-							<entry>1</entry>
-							<entry>0</entry>
-							<entry>1</entry>
-							<entry>1 .. 13</entry>
-							<entry>1 .. 13</entry>
-							<entry>13</entry>
-						</row>
-						<row>
-							<entry>0</entry>
-							<entry>1</entry>
-							<entry>1</entry>
-							<entry>0</entry>
-							<entry>0</entry>
-							<entry>1</entry>
-						</row>
-						<row>
-							<entry>1</entry>
-							<entry>1</entry>
-							<entry>1</entry>
-							<entry>2</entry>
-							<entry>0</entry>
-							<entry>13</entry>
-						</row>
-					</tbody>
-				</tgroup>
-			</informaltable>
-		</section>
-		<section id="DTV-ISDBT-LAYER-TIME-INTERLEAVING">
-			<title><constant>DTV_ISDBT_LAYER*_TIME_INTERLEAVING</constant></title>
-			<para>Valid values: 0, 1, 2, 4, -1 (AUTO)</para>
-			<para>when DTV_ISDBT_SOUND_BROADCASTING is active, value 8 is also valid.</para>
-			<para>Note: The real time interleaving length depends on the mode (fft-size). The values
-				here are referring to what can be found in the TMCC-structure, as shown in the table below.</para>
-			<informaltable id="isdbt-layer-interleaving-table">
-				<tgroup cols="4" align="center">
-					<tbody>
-						<row>
-							<entry>DTV_ISDBT_LAYER*_TIME_INTERLEAVING</entry>
-							<entry>Mode 1 (2K FFT)</entry>
-							<entry>Mode 2 (4K FFT)</entry>
-							<entry>Mode 3 (8K FFT)</entry>
-						</row>
-						<row>
-							<entry>0</entry>
-							<entry>0</entry>
-							<entry>0</entry>
-							<entry>0</entry>
-						</row>
-						<row>
-							<entry>1</entry>
-							<entry>4</entry>
-							<entry>2</entry>
-							<entry>1</entry>
-						</row>
-						<row>
-							<entry>2</entry>
-							<entry>8</entry>
-							<entry>4</entry>
-							<entry>2</entry>
-						</row>
-						<row>
-							<entry>4</entry>
-							<entry>16</entry>
-							<entry>8</entry>
-							<entry>4</entry>
-						</row>
-					</tbody>
-				</tgroup>
-			</informaltable>
-		</section>
-		<section id="DTV-ATSCMH-FIC-VER">
-			<title><constant>DTV_ATSCMH_FIC_VER</constant></title>
-			<para>Version number of the FIC (Fast Information Channel) signaling data.</para>
-			<para>FIC is used for relaying information to allow rapid service acquisition by the receiver.</para>
-			<para>Possible values: 0, 1, 2, 3, ..., 30, 31</para>
-		</section>
-		<section id="DTV-ATSCMH-PARADE-ID">
-			<title><constant>DTV_ATSCMH_PARADE_ID</constant></title>
-			<para>Parade identification number</para>
-			<para>A parade is a collection of up to eight MH groups, conveying one or two ensembles.</para>
-			<para>Possible values: 0, 1, 2, 3, ..., 126, 127</para>
-		</section>
-		<section id="DTV-ATSCMH-NOG">
-			<title><constant>DTV_ATSCMH_NOG</constant></title>
-			<para>Number of MH groups per MH subframe for a designated parade.</para>
-			<para>Possible values: 1, 2, 3, 4, 5, 6, 7, 8</para>
-		</section>
-		<section id="DTV-ATSCMH-TNOG">
-			<title><constant>DTV_ATSCMH_TNOG</constant></title>
-			<para>Total number of MH groups including all MH groups belonging to all MH parades in one MH subframe.</para>
-			<para>Possible values: 0, 1, 2, 3, ..., 30, 31</para>
-		</section>
-		<section id="DTV-ATSCMH-SGN">
-			<title><constant>DTV_ATSCMH_SGN</constant></title>
-			<para>Start group number.</para>
-			<para>Possible values: 0, 1, 2, 3, ..., 14, 15</para>
-		</section>
-		<section id="DTV-ATSCMH-PRC">
-			<title><constant>DTV_ATSCMH_PRC</constant></title>
-			<para>Parade repetition cycle.</para>
-			<para>Possible values: 1, 2, 3, 4, 5, 6, 7, 8</para>
-		</section>
-		<section id="DTV-ATSCMH-RS-FRAME-MODE">
-			<title><constant>DTV_ATSCMH_RS_FRAME_MODE</constant></title>
-			<para>Reed Solomon (RS) frame mode.</para>
-			<para>Possible values are:</para>
-<table pgwide="1" frame="none" id="atscmh-rs-frame-mode">
-    <title>enum atscmh_rs_frame_mode</title>
-    <tgroup cols="2">
-	&cs-def;
-	<thead>
-	<row>
-	    <entry>ID</entry>
-	    <entry>Description</entry>
-	</row>
-	</thead>
-	<tbody valign="top">
-	<row>
-	    <entry id="ATSCMH-RSFRAME-PRI-ONLY"><constant>ATSCMH_RSFRAME_PRI_ONLY</constant></entry>
-	    <entry>Single Frame: There is only a primary RS Frame for all
-		Group Regions.</entry>
-	</row><row>
-	    <entry id="ATSCMH-RSFRAME-PRI-SEC"><constant>ATSCMH_RSFRAME_PRI_SEC</constant></entry>
-	    <entry>Dual Frame: There are two separate RS Frames: Primary RS
-		Frame for Group Region A and B and Secondary RS Frame for Group
-		Region C and D.</entry>
-	</row>
-        </tbody>
-    </tgroup>
-</table>
-		</section>
-		<section id="DTV-ATSCMH-RS-FRAME-ENSEMBLE">
-			<title><constant>DTV_ATSCMH_RS_FRAME_ENSEMBLE</constant></title>
-			<para>Reed Solomon(RS) frame ensemble.</para>
-			<para>Possible values are:</para>
-<table pgwide="1" frame="none" id="atscmh-rs-frame-ensemble">
-    <title>enum atscmh_rs_frame_ensemble</title>
-    <tgroup cols="2">
-	&cs-def;
-	<thead>
-	<row>
-	    <entry>ID</entry>
-	    <entry>Description</entry>
-	</row>
-	</thead>
-	<tbody valign="top">
-	<row>
-	    <entry id="ATSCMH-RSFRAME-ENS-PRI"><constant>ATSCMH_RSFRAME_ENS_PRI</constant></entry>
-	    <entry>Primary Ensemble.</entry>
-	</row><row>
-	    <entry id="ATSCMH-RSFRAME-ENS-SEC"><constant>AATSCMH_RSFRAME_PRI_SEC</constant></entry>
-	    <entry>Secondary Ensemble.</entry>
-	</row><row>
-	    <entry id="ATSCMH-RSFRAME-RES"><constant>AATSCMH_RSFRAME_RES</constant></entry>
-	    <entry>Reserved. Shouldn't be used.</entry>
-	</row>
-        </tbody>
-    </tgroup>
-</table>
-		</section>
-		<section id="DTV-ATSCMH-RS-CODE-MODE-PRI">
-			<title><constant>DTV_ATSCMH_RS_CODE_MODE_PRI</constant></title>
-			<para>Reed Solomon (RS) code mode (primary).</para>
-			<para>Possible values are:</para>
-<table pgwide="1" frame="none" id="atscmh-rs-code-mode">
-    <title>enum atscmh_rs_code_mode</title>
-    <tgroup cols="2">
-	&cs-def;
-	<thead>
-	<row>
-	    <entry>ID</entry>
-	    <entry>Description</entry>
-	</row>
-	</thead>
-	<tbody valign="top">
-	<row>
-	    <entry id="ATSCMH-RSCODE-211-187"><constant>ATSCMH_RSCODE_211_187</constant></entry>
-	    <entry>Reed Solomon code (211,187).</entry>
-	</row><row>
-	    <entry id="ATSCMH-RSCODE-223-187"><constant>ATSCMH_RSCODE_223_187</constant></entry>
-	    <entry>Reed Solomon code (223,187).</entry>
-	</row><row>
-	    <entry id="ATSCMH-RSCODE-235-187"><constant>ATSCMH_RSCODE_235_187</constant></entry>
-	    <entry>Reed Solomon code (235,187).</entry>
-	</row><row>
-	    <entry id="ATSCMH-RSCODE-RES"><constant>ATSCMH_RSCODE_RES</constant></entry>
-	    <entry>Reserved. Shouldn't be used.</entry>
-	</row>
-        </tbody>
-    </tgroup>
-</table>
-		</section>
-		<section id="DTV-ATSCMH-RS-CODE-MODE-SEC">
-			<title><constant>DTV_ATSCMH_RS_CODE_MODE_SEC</constant></title>
-			<para>Reed Solomon (RS) code mode (secondary).</para>
-			<para>Possible values are the same as documented on
-			    &atscmh-rs-code-mode;:</para>
-		</section>
-		<section id="DTV-ATSCMH-SCCC-BLOCK-MODE">
-			<title><constant>DTV_ATSCMH_SCCC_BLOCK_MODE</constant></title>
-			<para>Series Concatenated Convolutional Code Block Mode.</para>
-			<para>Possible values are:</para>
-<table pgwide="1" frame="none" id="atscmh-sccc-block-mode">
-    <title>enum atscmh_scc_block_mode</title>
-    <tgroup cols="2">
-	&cs-def;
-	<thead>
-	<row>
-	    <entry>ID</entry>
-	    <entry>Description</entry>
-	</row>
-	</thead>
-	<tbody valign="top">
-	<row>
-	    <entry id="ATSCMH-SCCC-BLK-SEP"><constant>ATSCMH_SCCC_BLK_SEP</constant></entry>
-	    <entry>Separate SCCC: the SCCC outer code mode shall be set independently
-		for each Group Region (A, B, C, D)</entry>
-	</row><row>
-	    <entry id="ATSCMH-SCCC-BLK-COMB"><constant>ATSCMH_SCCC_BLK_COMB</constant></entry>
-	    <entry>Combined SCCC: all four Regions shall have the same SCCC outer
-		code mode.</entry>
-	</row><row>
-	    <entry id="ATSCMH-SCCC-BLK-RES"><constant>ATSCMH_SCCC_BLK_RES</constant></entry>
-	    <entry>Reserved. Shouldn't be used.</entry>
-	</row>
-        </tbody>
-    </tgroup>
-</table>
-		</section>
-		<section id="DTV-ATSCMH-SCCC-CODE-MODE-A">
-			<title><constant>DTV_ATSCMH_SCCC_CODE_MODE_A</constant></title>
-			<para>Series Concatenated Convolutional Code Rate.</para>
-			<para>Possible values are:</para>
-<table pgwide="1" frame="none" id="atscmh-sccc-code-mode">
-    <title>enum atscmh_sccc_code_mode</title>
-    <tgroup cols="2">
-	&cs-def;
-	<thead>
-	<row>
-	    <entry>ID</entry>
-	    <entry>Description</entry>
-	</row>
-	</thead>
-	<tbody valign="top">
-	<row>
-	    <entry id="ATSCMH-SCCC-CODE-HLF"><constant>ATSCMH_SCCC_CODE_HLF</constant></entry>
-	    <entry>The outer code rate of a SCCC Block is 1/2 rate.</entry>
-	</row><row>
-	    <entry id="ATSCMH-SCCC-CODE-QTR"><constant>ATSCMH_SCCC_CODE_QTR</constant></entry>
-	    <entry>The outer code rate of a SCCC Block is 1/4 rate.</entry>
-	</row><row>
-	    <entry id="ATSCMH-SCCC-CODE-RES"><constant>ATSCMH_SCCC_CODE_RES</constant></entry>
-	    <entry>to be documented.</entry>
-	</row>
-        </tbody>
-    </tgroup>
-</table>
-		</section>
-		<section id="DTV-ATSCMH-SCCC-CODE-MODE-B">
-			<title><constant>DTV_ATSCMH_SCCC_CODE_MODE_B</constant></title>
-			<para>Series Concatenated Convolutional Code Rate.</para>
-			<para>Possible values are the same as documented on
-			    &atscmh-sccc-code-mode;.</para>
-		</section>
-		<section id="DTV-ATSCMH-SCCC-CODE-MODE-C">
-			<title><constant>DTV_ATSCMH_SCCC_CODE_MODE_C</constant></title>
-			<para>Series Concatenated Convolutional Code Rate.</para>
-			<para>Possible values are the same as documented on
-			    &atscmh-sccc-code-mode;.</para>
-		</section>
-		<section id="DTV-ATSCMH-SCCC-CODE-MODE-D">
-			<title><constant>DTV_ATSCMH_SCCC_CODE_MODE_D</constant></title>
-			<para>Series Concatenated Convolutional Code Rate.</para>
-			<para>Possible values are the same as documented on
-			    &atscmh-sccc-code-mode;.</para>
-		</section>
-	</section>
-	<section id="DTV-API-VERSION">
-	<title><constant>DTV_API_VERSION</constant></title>
-	<para>Returns the major/minor version of the DVB API</para>
-	</section>
-	<section id="DTV-CODE-RATE-HP">
-	<title><constant>DTV_CODE_RATE_HP</constant></title>
-	<para>Used on terrestrial transmissions.  The acceptable values are
-	    the ones described at &fe-transmit-mode-t;.
-	</para>
-	</section>
-	<section id="DTV-CODE-RATE-LP">
-	<title><constant>DTV_CODE_RATE_LP</constant></title>
-	<para>Used on terrestrial transmissions. The acceptable values are
-	    the ones described at &fe-transmit-mode-t;.
-	</para>
-
-	</section>
-
-	<section id="DTV-GUARD-INTERVAL">
-		<title><constant>DTV_GUARD_INTERVAL</constant></title>
-
-		<para>Possible values are:</para>
-
-<section id="fe-guard-interval-t">
-<title>Modulation guard interval</title>
-
-<table pgwide="1" frame="none" id="fe-guard-interval">
-    <title>enum fe_guard_interval</title>
-    <tgroup cols="2">
-	&cs-def;
-	<thead>
-	<row>
-	    <entry>ID</entry>
-	    <entry>Description</entry>
-	</row>
-	</thead>
-	<tbody valign="top">
-	<row>
-	    <entry id="GUARD-INTERVAL-AUTO"><constant>GUARD_INTERVAL_AUTO</constant></entry>
-	    <entry>Autodetect the guard interval</entry>
-	</row><row>
-	    <entry id="GUARD-INTERVAL-1-128"><constant>GUARD_INTERVAL_1_128</constant></entry>
-	    <entry>Guard interval 1/128</entry>
-	</row><row>
-	    <entry id="GUARD-INTERVAL-1-32"><constant>GUARD_INTERVAL_1_32</constant></entry>
-	    <entry>Guard interval 1/32</entry>
-	</row><row>
-	    <entry id="GUARD-INTERVAL-1-16"><constant>GUARD_INTERVAL_1_16</constant></entry>
-	    <entry>Guard interval 1/16</entry>
-	</row><row>
-	    <entry id="GUARD-INTERVAL-1-8"><constant>GUARD_INTERVAL_1_8</constant></entry>
-	    <entry>Guard interval 1/8</entry>
-	</row><row>
-	    <entry id="GUARD-INTERVAL-1-4"><constant>GUARD_INTERVAL_1_4</constant></entry>
-	    <entry>Guard interval 1/4</entry>
-	</row><row>
-	    <entry id="GUARD-INTERVAL-19-128"><constant>GUARD_INTERVAL_19_128</constant></entry>
-	    <entry>Guard interval 19/128</entry>
-	</row><row>
-	    <entry id="GUARD-INTERVAL-19-256"><constant>GUARD_INTERVAL_19_256</constant></entry>
-	    <entry>Guard interval 19/256</entry>
-	</row><row>
-	    <entry id="GUARD-INTERVAL-PN420"><constant>GUARD_INTERVAL_PN420</constant></entry>
-	    <entry>PN length 420 (1/4)</entry>
-	</row><row>
-	    <entry id="GUARD-INTERVAL-PN595"><constant>GUARD_INTERVAL_PN595</constant></entry>
-	    <entry>PN length 595 (1/6)</entry>
-	</row><row>
-	    <entry id="GUARD-INTERVAL-PN945"><constant>GUARD_INTERVAL_PN945</constant></entry>
-	    <entry>PN length 945 (1/9)</entry>
-	</row>
-        </tbody>
-    </tgroup>
-</table>
-
-		<para>Notes:</para>
-		<para>1) If <constant>DTV_GUARD_INTERVAL</constant> is set the <constant>GUARD_INTERVAL_AUTO</constant> the hardware will
-			try to find the correct guard interval (if capable) and will use TMCC to fill
-			in the missing parameters.</para>
-		<para>2) Intervals 1/128, 19/128 and 19/256 are used only for DVB-T2 at present</para>
-		<para>3) DTMB specifies PN420, PN595 and PN945.</para>
-</section>
-	</section>
-	<section id="DTV-TRANSMISSION-MODE">
-		<title><constant>DTV_TRANSMISSION_MODE</constant></title>
-
-		<para>Specifies the number of carriers used by the standard.
-		    This is used only on OFTM-based standards, e. g.
-		    DVB-T/T2, ISDB-T, DTMB</para>
-
-<section id="fe-transmit-mode-t">
-<title>enum fe_transmit_mode: Number of carriers per channel</title>
-
-<table pgwide="1" frame="none" id="fe-transmit-mode">
-    <title>enum fe_transmit_mode</title>
-    <tgroup cols="2">
-	&cs-def;
-	<thead>
-	<row>
-	    <entry>ID</entry>
-	    <entry>Description</entry>
-	</row>
-	</thead>
-	<tbody valign="top">
-	<row>
-	    <entry id="TRANSMISSION-MODE-AUTO"><constant>TRANSMISSION_MODE_AUTO</constant></entry>
-	    <entry>Autodetect transmission mode. The hardware will try to find
-		the correct FFT-size (if capable) to fill in the missing
-		parameters.</entry>
-	</row><row>
-	    <entry id="TRANSMISSION-MODE-1K"><constant>TRANSMISSION_MODE_1K</constant></entry>
-	    <entry>Transmission mode 1K</entry>
-	</row><row>
-	    <entry id="TRANSMISSION-MODE-2K"><constant>TRANSMISSION_MODE_2K</constant></entry>
-	    <entry>Transmission mode 2K</entry>
-	</row><row>
-	    <entry id="TRANSMISSION-MODE-8K"><constant>TRANSMISSION_MODE_8K</constant></entry>
-	    <entry>Transmission mode 8K</entry>
-	</row><row>
-	    <entry id="TRANSMISSION-MODE-4K"><constant>TRANSMISSION_MODE_4K</constant></entry>
-	    <entry>Transmission mode 4K</entry>
-	</row><row>
-	    <entry id="TRANSMISSION-MODE-16K"><constant>TRANSMISSION_MODE_16K</constant></entry>
-	    <entry>Transmission mode 16K</entry>
-	</row><row>
-	    <entry id="TRANSMISSION-MODE-32K"><constant>TRANSMISSION_MODE_32K</constant></entry>
-	    <entry>Transmission mode 32K</entry>
-	</row><row>
-	    <entry id="TRANSMISSION-MODE-C1"><constant>TRANSMISSION_MODE_C1</constant></entry>
-	    <entry>Single Carrier (C=1) transmission mode (DTMB)</entry>
-	</row><row>
-	    <entry id="TRANSMISSION-MODE-C3780"><constant>TRANSMISSION_MODE_C3780</constant></entry>
-	    <entry>Multi Carrier (C=3780) transmission mode (DTMB)</entry>
-	</row>
-        </tbody>
-    </tgroup>
-</table>
-
-
-		<para>Notes:</para>
-		<para>1) ISDB-T supports three carrier/symbol-size: 8K, 4K, 2K. It is called
-			'mode' in the standard: Mode 1 is 2K, mode 2 is 4K, mode 3 is 8K</para>
-
-		<para>2) If <constant>DTV_TRANSMISSION_MODE</constant> is set the <constant>TRANSMISSION_MODE_AUTO</constant> the
-			hardware will try to find the correct FFT-size (if capable) and will
-			use TMCC to fill in the missing parameters.</para>
-		<para>3) DVB-T specifies 2K and 8K as valid sizes.</para>
-		<para>4) DVB-T2 specifies 1K, 2K, 4K, 8K, 16K and 32K.</para>
-		<para>5) DTMB specifies C1 and C3780.</para>
-</section>
-	</section>
-	<section id="DTV-HIERARCHY">
-	<title><constant>DTV_HIERARCHY</constant></title>
-	<para>Frontend hierarchy</para>
-
-
-<section id="fe-hierarchy-t">
-<title>Frontend hierarchy</title>
-
-<table pgwide="1" frame="none" id="fe-hierarchy">
-    <title>enum fe_hierarchy</title>
-    <tgroup cols="2">
-	&cs-def;
-	<thead>
-	<row>
-	    <entry>ID</entry>
-	    <entry>Description</entry>
-	</row>
-	</thead>
-	<tbody valign="top">
-	<row>
-	     <entry id="HIERARCHY-NONE"><constant>HIERARCHY_NONE</constant></entry>
-	    <entry>No hierarchy</entry>
-	</row><row>
-	     <entry id="HIERARCHY-AUTO"><constant>HIERARCHY_AUTO</constant></entry>
-	    <entry>Autodetect hierarchy (if supported)</entry>
-	</row><row>
-	     <entry id="HIERARCHY-1"><constant>HIERARCHY_1</constant></entry>
-	    <entry>Hierarchy 1</entry>
-	</row><row>
-	     <entry id="HIERARCHY-2"><constant>HIERARCHY_2</constant></entry>
-	    <entry>Hierarchy 2</entry>
-	</row><row>
-	     <entry id="HIERARCHY-4"><constant>HIERARCHY_4</constant></entry>
-	    <entry>Hierarchy 4</entry>
-	</row>
-        </tbody>
-    </tgroup>
-</table>
-</section>
-
-	</section>
-	<section id="DTV-STREAM-ID">
-	<title><constant>DTV_STREAM_ID</constant></title>
-	<para>DVB-S2, DVB-T2 and ISDB-S support the transmission of several
-	      streams on a single transport stream.
-	      This property enables the DVB driver to handle substream filtering,
-	      when supported by the hardware.
-	      By default, substream filtering is disabled.
-	</para><para>
-	      For DVB-S2 and DVB-T2, the valid substream id range is from 0 to 255.
-	</para><para>
-	      For ISDB, the valid substream id range is from 1 to 65535.
-	</para><para>
-	      To disable it, you should use the special macro NO_STREAM_ID_FILTER.
-	</para><para>
-	      Note: any value outside the id range also disables filtering.
-	</para>
-	</section>
-	<section id="DTV-DVBT2-PLP-ID-LEGACY">
-		<title><constant>DTV_DVBT2_PLP_ID_LEGACY</constant></title>
-		<para>Obsolete, replaced with DTV_STREAM_ID.</para>
-	</section>
-	<section id="DTV-ENUM-DELSYS">
-		<title><constant>DTV_ENUM_DELSYS</constant></title>
-		<para>A Multi standard frontend needs to advertise the delivery systems provided.
-			Applications need to enumerate the provided delivery systems, before using
-			any other operation with the frontend. Prior to it's introduction,
-			FE_GET_INFO was used to determine a frontend type. A frontend which
-			provides more than a single delivery system, FE_GET_INFO doesn't help much.
-			Applications which intends to use a multistandard frontend must enumerate
-			the delivery systems associated with it, rather than trying to use
-			FE_GET_INFO. In the case of a legacy frontend, the result is just the same
-			as with FE_GET_INFO, but in a more structured format </para>
-	</section>
-	<section id="DTV-INTERLEAVING">
-	<title><constant>DTV_INTERLEAVING</constant></title>
-
-<para>Time interleaving to be used. Currently, used only on DTMB.</para>
-
-<table pgwide="1" frame="none" id="fe-interleaving">
-    <title>enum fe_interleaving</title>
-    <tgroup cols="2">
-	&cs-def;
-	<thead>
-	<row>
-	    <entry>ID</entry>
-	    <entry>Description</entry>
-	</row>
-	</thead>
-	<tbody valign="top">
-	<row>
-	    <entry id="INTERLEAVING-NONE"><constant>INTERLEAVING_NONE</constant></entry>
-	    <entry>No interleaving.</entry>
-	</row><row>
-	    <entry id="INTERLEAVING-AUTO"><constant>INTERLEAVING_AUTO</constant></entry>
-	    <entry>Auto-detect interleaving.</entry>
-	</row><row>
-	    <entry id="INTERLEAVING-240"><constant>INTERLEAVING_240</constant></entry>
-	    <entry>Interleaving of 240 symbols.</entry>
-	</row><row>
-	    <entry id="INTERLEAVING-720"><constant>INTERLEAVING_720</constant></entry>
-	    <entry>Interleaving of 720 symbols.</entry>
-	</row>
-        </tbody>
-    </tgroup>
-</table>
-
-	</section>
-	<section id="DTV-LNA">
-	<title><constant>DTV_LNA</constant></title>
-	<para>Low-noise amplifier.</para>
-	<para>Hardware might offer controllable LNA which can be set manually
-		using that parameter. Usually LNA could be found only from
-		terrestrial devices if at all.</para>
-	<para>Possible values: 0, 1, LNA_AUTO</para>
-	<para>0, LNA off</para>
-	<para>1, LNA on</para>
-	<para>use the special macro LNA_AUTO to set LNA auto</para>
-	</section>
-</section>
-
-	<section id="frontend-stat-properties">
-	<title>Frontend statistics indicators</title>
-	<para>The values are returned via <constant>dtv_property.stat</constant>.
-	      If the property is supported, <constant>dtv_property.stat.len</constant> is bigger than zero.</para>
-	<para>For most delivery systems, <constant>dtv_property.stat.len</constant>
-	      will be 1 if the stats is supported, and the properties will
-	      return a single value for each parameter.</para>
-	<para>It should be noted, however, that new OFDM delivery systems
-	      like ISDB can use different modulation types for each group of
-	      carriers. On such standards, up to 3 groups of statistics can be
-	      provided, and <constant>dtv_property.stat.len</constant> is updated
-	      to reflect the "global" metrics, plus one metric per each carrier
-	      group (called "layer" on ISDB).</para>
-	<para>So, in order to be consistent with other delivery systems, the first
-	      value at <link linkend="dtv-stats"><constant>dtv_property.stat.dtv_stats</constant></link>
-	      array refers to the global metric. The other elements of the array
-	      represent each layer, starting from layer A(index 1),
-	      layer B (index 2) and so on.</para>
-	<para>The number of filled elements are stored at <constant>dtv_property.stat.len</constant>.</para>
-	<para>Each element of the <constant>dtv_property.stat.dtv_stats</constant> array consists on two elements:</para>
-	<itemizedlist mark='opencircle'>
-		<listitem><para><constant>svalue</constant> or <constant>uvalue</constant>, where
-			<constant>svalue</constant> is for signed values of the measure (dB measures)
-			and <constant>uvalue</constant> is for unsigned values (counters, relative scale)</para></listitem>
-		<listitem><para><constant>scale</constant> - Scale for the value. It can be:</para>
-			<itemizedlist mark='bullet' id="fecap-scale-params">
-				<listitem id="FE-SCALE-NOT-AVAILABLE"><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - The parameter is supported by the frontend, but it was not possible to collect it (could be a transitory or permanent condition)</para></listitem>
-				<listitem id="FE-SCALE-DECIBEL"><para><constant>FE_SCALE_DECIBEL</constant> - parameter is a signed value, measured in 1/1000 dB</para></listitem>
-				<listitem id="FE-SCALE-RELATIVE"><para><constant>FE_SCALE_RELATIVE</constant> - parameter is a unsigned value, where 0 means 0% and 65535 means 100%.</para></listitem>
-				<listitem id="FE-SCALE-COUNTER"><para><constant>FE_SCALE_COUNTER</constant> - parameter is a unsigned value that counts the occurrence of an event, like bit error, block error, or lapsed time.</para></listitem>
-			</itemizedlist>
-		</listitem>
-	</itemizedlist>
-	<section id="DTV-STAT-SIGNAL-STRENGTH">
-		<title><constant>DTV_STAT_SIGNAL_STRENGTH</constant></title>
-		<para>Indicates the signal strength level at the analog part of the tuner or of the demod.</para>
-		<para>Possible scales for this metric are:</para>
-		<itemizedlist mark='bullet'>
-			<listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem>
-			<listitem><para><constant>FE_SCALE_DECIBEL</constant> - signal strength is in 0.001 dBm units, power measured in miliwatts. This value is generally negative.</para></listitem>
-			<listitem><para><constant>FE_SCALE_RELATIVE</constant> - The frontend provides a 0% to 100% measurement for power (actually, 0 to 65535).</para></listitem>
-		</itemizedlist>
-	</section>
-	<section id="DTV-STAT-CNR">
-		<title><constant>DTV_STAT_CNR</constant></title>
-		<para>Indicates the Signal to Noise ratio for the main carrier.</para>
-		<para>Possible scales for this metric are:</para>
-		<itemizedlist mark='bullet'>
-			<listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem>
-			<listitem><para><constant>FE_SCALE_DECIBEL</constant> - Signal/Noise ratio is in 0.001 dB units.</para></listitem>
-			<listitem><para><constant>FE_SCALE_RELATIVE</constant> - The frontend provides a 0% to 100% measurement for Signal/Noise (actually, 0 to 65535).</para></listitem>
-		</itemizedlist>
-	</section>
-	<section id="DTV-STAT-PRE-ERROR-BIT-COUNT">
-		<title><constant>DTV_STAT_PRE_ERROR_BIT_COUNT</constant></title>
-		<para>Measures the number of bit errors before the forward error correction (FEC) on the inner coding block (before Viterbi, LDPC or other inner code).</para>
-		<para>This measure is taken during the same interval as <constant>DTV_STAT_PRE_TOTAL_BIT_COUNT</constant>.</para>
-		<para>In order to get the BER (Bit Error Rate) measurement, it should be divided by
-		<link linkend="DTV-STAT-PRE-TOTAL-BIT-COUNT"><constant>DTV_STAT_PRE_TOTAL_BIT_COUNT</constant></link>.</para>
-		<para>This measurement is monotonically increased, as the frontend gets more bit count measurements.
-		      The frontend may reset it when a channel/transponder is tuned.</para>
-		<para>Possible scales for this metric are:</para>
-		<itemizedlist mark='bullet'>
-			<listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem>
-			<listitem><para><constant>FE_SCALE_COUNTER</constant> - Number of error bits counted before the inner coding.</para></listitem>
-		</itemizedlist>
-	</section>
-	<section id="DTV-STAT-PRE-TOTAL-BIT-COUNT">
-		<title><constant>DTV_STAT_PRE_TOTAL_BIT_COUNT</constant></title>
-		<para>Measures the amount of bits received before the inner code block, during the same period as
-		<link linkend="DTV-STAT-PRE-ERROR-BIT-COUNT"><constant>DTV_STAT_PRE_ERROR_BIT_COUNT</constant></link> measurement was taken.</para>
-		<para>It should be noted that this measurement can be smaller than the total amount of bits on the transport stream,
-		      as the frontend may need to manually restart the measurement, losing some data between each measurement interval.</para>
-		<para>This measurement is monotonically increased, as the frontend gets more bit count measurements.
-		      The frontend may reset it when a channel/transponder is tuned.</para>
-		<para>Possible scales for this metric are:</para>
-		<itemizedlist mark='bullet'>
-			<listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem>
-			<listitem><para><constant>FE_SCALE_COUNTER</constant> - Number of bits counted while measuring
-				 <link linkend="DTV-STAT-PRE-ERROR-BIT-COUNT"><constant>DTV_STAT_PRE_ERROR_BIT_COUNT</constant></link>.</para></listitem>
-		</itemizedlist>
-	</section>
-	<section id="DTV-STAT-POST-ERROR-BIT-COUNT">
-		<title><constant>DTV_STAT_POST_ERROR_BIT_COUNT</constant></title>
-		<para>Measures the number of bit errors after the forward error correction (FEC) done by inner code block (after Viterbi, LDPC or other inner code).</para>
-		<para>This measure is taken during the same interval as <constant>DTV_STAT_POST_TOTAL_BIT_COUNT</constant>.</para>
-		<para>In order to get the BER (Bit Error Rate) measurement, it should be divided by
-		<link linkend="DTV-STAT-POST-TOTAL-BIT-COUNT"><constant>DTV_STAT_POST_TOTAL_BIT_COUNT</constant></link>.</para>
-		<para>This measurement is monotonically increased, as the frontend gets more bit count measurements.
-		      The frontend may reset it when a channel/transponder is tuned.</para>
-		<para>Possible scales for this metric are:</para>
-		<itemizedlist mark='bullet'>
-			<listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem>
-			<listitem><para><constant>FE_SCALE_COUNTER</constant> - Number of error bits counted after the inner coding.</para></listitem>
-		</itemizedlist>
-	</section>
-	<section id="DTV-STAT-POST-TOTAL-BIT-COUNT">
-		<title><constant>DTV_STAT_POST_TOTAL_BIT_COUNT</constant></title>
-		<para>Measures the amount of bits received after the inner coding, during the same period as
-		<link linkend="DTV-STAT-POST-ERROR-BIT-COUNT"><constant>DTV_STAT_POST_ERROR_BIT_COUNT</constant></link> measurement was taken.</para>
-		<para>It should be noted that this measurement can be smaller than the total amount of bits on the transport stream,
-		      as the frontend may need to manually restart the measurement, losing some data between each measurement interval.</para>
-		<para>This measurement is monotonically increased, as the frontend gets more bit count measurements.
-		      The frontend may reset it when a channel/transponder is tuned.</para>
-		<para>Possible scales for this metric are:</para>
-		<itemizedlist mark='bullet'>
-			<listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem>
-			<listitem><para><constant>FE_SCALE_COUNTER</constant> - Number of bits counted while measuring
-				 <link linkend="DTV-STAT-POST-ERROR-BIT-COUNT"><constant>DTV_STAT_POST_ERROR_BIT_COUNT</constant></link>.</para></listitem>
-		</itemizedlist>
-	</section>
-	<section id="DTV-STAT-ERROR-BLOCK-COUNT">
-		<title><constant>DTV_STAT_ERROR_BLOCK_COUNT</constant></title>
-		<para>Measures the number of block errors after the outer forward error correction coding (after Reed-Solomon or other outer code).</para>
-		<para>This measurement is monotonically increased, as the frontend gets more bit count measurements.
-		      The frontend may reset it when a channel/transponder is tuned.</para>
-		<para>Possible scales for this metric are:</para>
-		<itemizedlist mark='bullet'>
-			<listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem>
-			<listitem><para><constant>FE_SCALE_COUNTER</constant> - Number of error blocks counted after the outer coding.</para></listitem>
-		</itemizedlist>
-	</section>
-	<section id="DTV-STAT-TOTAL-BLOCK-COUNT">
-		<title><constant>DTV-STAT_TOTAL_BLOCK_COUNT</constant></title>
-		<para>Measures the total number of blocks received during the same period as
-		<link linkend="DTV-STAT-ERROR-BLOCK-COUNT"><constant>DTV_STAT_ERROR_BLOCK_COUNT</constant></link> measurement was taken.</para>
-		<para>It can be used to calculate the PER indicator, by dividing
-		<link linkend="DTV-STAT-ERROR-BLOCK-COUNT"><constant>DTV_STAT_ERROR_BLOCK_COUNT</constant></link>
-		by <link linkend="DTV-STAT-TOTAL-BLOCK-COUNT"><constant>DTV-STAT-TOTAL-BLOCK-COUNT</constant></link>.</para>
-		<para>Possible scales for this metric are:</para>
-		<itemizedlist mark='bullet'>
-			<listitem><para><constant>FE_SCALE_NOT_AVAILABLE</constant> - it failed to measure it, or the measurement was not complete yet.</para></listitem>
-			<listitem><para><constant>FE_SCALE_COUNTER</constant> - Number of blocks counted while measuring
-			<link linkend="DTV-STAT-ERROR-BLOCK-COUNT"><constant>DTV_STAT_ERROR_BLOCK_COUNT</constant></link>.</para></listitem>
-		</itemizedlist>
-	</section>
-	</section>
-
-	<section id="frontend-property-terrestrial-systems">
-	<title>Properties used on terrestrial delivery systems</title>
-		<section id="dvbt-params">
-			<title>DVB-T delivery system</title>
-			<para>The following parameters are valid for DVB-T:</para>
-			<itemizedlist mark='opencircle'>
-				<listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-BANDWIDTH-HZ"><constant>DTV_BANDWIDTH_HZ</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-CODE-RATE-HP"><constant>DTV_CODE_RATE_HP</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-CODE-RATE-LP"><constant>DTV_CODE_RATE_LP</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-GUARD-INTERVAL"><constant>DTV_GUARD_INTERVAL</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-TRANSMISSION-MODE"><constant>DTV_TRANSMISSION_MODE</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-HIERARCHY"><constant>DTV_HIERARCHY</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-LNA"><constant>DTV_LNA</constant></link></para></listitem>
-			</itemizedlist>
-			<para>In addition, the <link linkend="frontend-stat-properties">DTV QoS statistics</link> are also valid.</para>
-		</section>
-		<section id="dvbt2-params">
-			<title>DVB-T2 delivery system</title>
-			<para>DVB-T2 support is currently in the early stages
-			of development, so expect that this section maygrow and become
-			more detailed with time.</para>
-		<para>The following parameters are valid for DVB-T2:</para>
-		<itemizedlist mark='opencircle'>
-			<listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-BANDWIDTH-HZ"><constant>DTV_BANDWIDTH_HZ</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-CODE-RATE-HP"><constant>DTV_CODE_RATE_HP</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-CODE-RATE-LP"><constant>DTV_CODE_RATE_LP</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-GUARD-INTERVAL"><constant>DTV_GUARD_INTERVAL</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-TRANSMISSION-MODE"><constant>DTV_TRANSMISSION_MODE</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-HIERARCHY"><constant>DTV_HIERARCHY</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-STREAM-ID"><constant>DTV_STREAM_ID</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-LNA"><constant>DTV_LNA</constant></link></para></listitem>
-		</itemizedlist>
-		<para>In addition, the <link linkend="frontend-stat-properties">DTV QoS statistics</link> are also valid.</para>
-		</section>
-		<section id="isdbt">
-		<title>ISDB-T delivery system</title>
-		<para>This ISDB-T/ISDB-Tsb API extension should reflect all information
-			needed to tune any ISDB-T/ISDB-Tsb hardware. Of course it is possible
-			that some very sophisticated devices won't need certain parameters to
-			tune.</para>
-		<para>The information given here should help application writers to know how
-			to handle ISDB-T and ISDB-Tsb hardware using the Linux DVB-API.</para>
-		<para>The details given here about ISDB-T and ISDB-Tsb are just enough to
-			basically show the dependencies between the needed parameter values,
-			but surely some information is left out. For more detailed information
-			see the following documents:</para>
-		<para>ARIB STD-B31 - "Transmission System for Digital Terrestrial
-			Television Broadcasting" and</para>
-		<para>ARIB TR-B14 - "Operational Guidelines for Digital Terrestrial
-			Television Broadcasting".</para>
-		<para>In order to understand the ISDB specific parameters,
-			one has to have some knowledge the channel structure in
-			ISDB-T and ISDB-Tsb. I.e. it has to be known to
-			the reader that an ISDB-T channel consists of 13 segments,
-			that it can have up to 3 layer sharing those segments,
-			and things like that.</para>
-		<para>The following parameters are valid for ISDB-T:</para>
-		<itemizedlist mark='opencircle'>
-			<listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-BANDWIDTH-HZ"><constant>DTV_BANDWIDTH_HZ</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-GUARD-INTERVAL"><constant>DTV_GUARD_INTERVAL</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-TRANSMISSION-MODE"><constant>DTV_TRANSMISSION_MODE</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-ISDBT-LAYER-ENABLED"><constant>DTV_ISDBT_LAYER_ENABLED</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-ISDBT-PARTIAL-RECEPTION"><constant>DTV_ISDBT_PARTIAL_RECEPTION</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-ISDBT-SOUND-BROADCASTING"><constant>DTV_ISDBT_SOUND_BROADCASTING</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-ISDBT-SB-SUBCHANNEL-ID"><constant>DTV_ISDBT_SB_SUBCHANNEL_ID</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-ISDBT-SB-SEGMENT-IDX"><constant>DTV_ISDBT_SB_SEGMENT_IDX</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-ISDBT-SB-SEGMENT-COUNT"><constant>DTV_ISDBT_SB_SEGMENT_COUNT</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-ISDBT-LAYER-FEC"><constant>DTV_ISDBT_LAYERA_FEC</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-ISDBT-LAYER-MODULATION"><constant>DTV_ISDBT_LAYERA_MODULATION</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-ISDBT-LAYER-SEGMENT-COUNT"><constant>DTV_ISDBT_LAYERA_SEGMENT_COUNT</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-ISDBT-LAYER-TIME-INTERLEAVING"><constant>DTV_ISDBT_LAYERA_TIME_INTERLEAVING</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-ISDBT-LAYER-FEC"><constant>DTV_ISDBT_LAYERB_FEC</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-ISDBT-LAYER-MODULATION"><constant>DTV_ISDBT_LAYERB_MODULATION</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-ISDBT-LAYER-SEGMENT-COUNT"><constant>DTV_ISDBT_LAYERB_SEGMENT_COUNT</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-ISDBT-LAYER-TIME-INTERLEAVING"><constant>DTV_ISDBT_LAYERB_TIME_INTERLEAVING</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-ISDBT-LAYER-FEC"><constant>DTV_ISDBT_LAYERC_FEC</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-ISDBT-LAYER-MODULATION"><constant>DTV_ISDBT_LAYERC_MODULATION</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-ISDBT-LAYER-SEGMENT-COUNT"><constant>DTV_ISDBT_LAYERC_SEGMENT_COUNT</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-ISDBT-LAYER-TIME-INTERLEAVING"><constant>DTV_ISDBT_LAYERC_TIME_INTERLEAVING</constant></link></para></listitem>
-		</itemizedlist>
-		<para>In addition, the <link linkend="frontend-stat-properties">DTV QoS statistics</link> are also valid.</para>
-		</section>
-		<section id="atsc-params">
-			<title>ATSC delivery system</title>
-			<para>The following parameters are valid for ATSC:</para>
-			<itemizedlist mark='opencircle'>
-				<listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-BANDWIDTH-HZ"><constant>DTV_BANDWIDTH_HZ</constant></link></para></listitem>
-			</itemizedlist>
-			<para>In addition, the <link linkend="frontend-stat-properties">DTV QoS statistics</link> are also valid.</para>
-		</section>
-		<section id="atscmh-params">
-			<title>ATSC-MH delivery system</title>
-			<para>The following parameters are valid for ATSC-MH:</para>
-			<itemizedlist mark='opencircle'>
-				<listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-BANDWIDTH-HZ"><constant>DTV_BANDWIDTH_HZ</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-ATSCMH-FIC-VER"><constant>DTV_ATSCMH_FIC_VER</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-ATSCMH-PARADE-ID"><constant>DTV_ATSCMH_PARADE_ID</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-ATSCMH-NOG"><constant>DTV_ATSCMH_NOG</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-ATSCMH-TNOG"><constant>DTV_ATSCMH_TNOG</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-ATSCMH-SGN"><constant>DTV_ATSCMH_SGN</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-ATSCMH-PRC"><constant>DTV_ATSCMH_PRC</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-ATSCMH-RS-FRAME-MODE"><constant>DTV_ATSCMH_RS_FRAME_MODE</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-ATSCMH-RS-FRAME-ENSEMBLE"><constant>DTV_ATSCMH_RS_FRAME_ENSEMBLE</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-ATSCMH-RS-CODE-MODE-PRI"><constant>DTV_ATSCMH_RS_CODE_MODE_PRI</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-ATSCMH-RS-CODE-MODE-SEC"><constant>DTV_ATSCMH_RS_CODE_MODE_SEC</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-ATSCMH-SCCC-BLOCK-MODE"><constant>DTV_ATSCMH_SCCC_BLOCK_MODE</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-ATSCMH-SCCC-CODE-MODE-A"><constant>DTV_ATSCMH_SCCC_CODE_MODE_A</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-ATSCMH-SCCC-CODE-MODE-B"><constant>DTV_ATSCMH_SCCC_CODE_MODE_B</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-ATSCMH-SCCC-CODE-MODE-C"><constant>DTV_ATSCMH_SCCC_CODE_MODE_C</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-ATSCMH-SCCC-CODE-MODE-D"><constant>DTV_ATSCMH_SCCC_CODE_MODE_D</constant></link></para></listitem>
-			</itemizedlist>
-			<para>In addition, the <link linkend="frontend-stat-properties">DTV QoS statistics</link> are also valid.</para>
-		</section>
-		<section id="dtmb-params">
-			<title>DTMB delivery system</title>
-			<para>The following parameters are valid for DTMB:</para>
-			<itemizedlist mark='opencircle'>
-				<listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-BANDWIDTH-HZ"><constant>DTV_BANDWIDTH_HZ</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-INNER-FEC"><constant>DTV_INNER_FEC</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-GUARD-INTERVAL"><constant>DTV_GUARD_INTERVAL</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-TRANSMISSION-MODE"><constant>DTV_TRANSMISSION_MODE</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-INTERLEAVING"><constant>DTV_INTERLEAVING</constant></link></para></listitem>
-				<listitem><para><link linkend="DTV-LNA"><constant>DTV_LNA</constant></link></para></listitem>
-			</itemizedlist>
-			<para>In addition, the <link linkend="frontend-stat-properties">DTV QoS statistics</link> are also valid.</para>
-		</section>
-	</section>
-	<section id="frontend-property-cable-systems">
-	<title>Properties used on cable delivery systems</title>
-	<section id="dvbc-params">
-		<title>DVB-C delivery system</title>
-		<para>The DVB-C Annex-A is the widely used cable standard. Transmission uses QAM modulation.</para>
-		<para>The DVB-C Annex-C is optimized for 6MHz, and is used in Japan. It supports a subset of the Annex A modulation types, and a roll-off of 0.13, instead of 0.15</para>
-		<para>The following parameters are valid for DVB-C Annex A/C:</para>
-		<itemizedlist mark='opencircle'>
-			<listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-SYMBOL-RATE"><constant>DTV_SYMBOL_RATE</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-INNER-FEC"><constant>DTV_INNER_FEC</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-LNA"><constant>DTV_LNA</constant></link></para></listitem>
-		</itemizedlist>
-		<para>In addition, the <link linkend="frontend-stat-properties">DTV QoS statistics</link> are also valid.</para>
-	</section>
-	<section id="dvbc-annex-b-params">
-		<title>DVB-C Annex B delivery system</title>
-		<para>The DVB-C Annex-B is only used on a few Countries like the United States.</para>
-		<para>The following parameters are valid for DVB-C Annex B:</para>
-		<itemizedlist mark='opencircle'>
-			<listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-LNA"><constant>DTV_LNA</constant></link></para></listitem>
-		</itemizedlist>
-		<para>In addition, the <link linkend="frontend-stat-properties">DTV QoS statistics</link> are also valid.</para>
-	</section>
-	</section>
-	<section id="frontend-property-satellite-systems">
-	<title>Properties used on satellite delivery systems</title>
-	<section id="dvbs-params">
-		<title>DVB-S delivery system</title>
-		<para>The following parameters are valid for DVB-S:</para>
-		<itemizedlist mark='opencircle'>
-			<listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-SYMBOL-RATE"><constant>DTV_SYMBOL_RATE</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-INNER-FEC"><constant>DTV_INNER_FEC</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-VOLTAGE"><constant>DTV_VOLTAGE</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-TONE"><constant>DTV_TONE</constant></link></para></listitem>
-		</itemizedlist>
-		<para>In addition, the <link linkend="frontend-stat-properties">DTV QoS statistics</link> are also valid.</para>
-		<para>Future implementations might add those two missing parameters:</para>
-		<itemizedlist mark='opencircle'>
-			<listitem><para><link linkend="DTV-DISEQC-MASTER"><constant>DTV_DISEQC_MASTER</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-DISEQC-SLAVE-REPLY"><constant>DTV_DISEQC_SLAVE_REPLY</constant></link></para></listitem>
-		</itemizedlist>
-	</section>
-	<section id="dvbs2-params">
-		<title>DVB-S2 delivery system</title>
-		<para>In addition to all parameters valid for DVB-S, DVB-S2 supports the following parameters:</para>
-		<itemizedlist mark='opencircle'>
-			<listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-PILOT"><constant>DTV_PILOT</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-ROLLOFF"><constant>DTV_ROLLOFF</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-STREAM-ID"><constant>DTV_STREAM_ID</constant></link></para></listitem>
-		</itemizedlist>
-		<para>In addition, the <link linkend="frontend-stat-properties">DTV QoS statistics</link> are also valid.</para>
-	</section>
-	<section id="turbo-params">
-		<title>Turbo code delivery system</title>
-		<para>In addition to all parameters valid for DVB-S, turbo code supports the following parameters:</para>
-		<itemizedlist mark='opencircle'>
-			<listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem>
-		</itemizedlist>
-	</section>
-	<section id="isdbs-params">
-		<title>ISDB-S delivery system</title>
-		<para>The following parameters are valid for ISDB-S:</para>
-		<itemizedlist mark='opencircle'>
-			<listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-SYMBOL-RATE"><constant>DTV_SYMBOL_RATE</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-INNER-FEC"><constant>DTV_INNER_FEC</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-VOLTAGE"><constant>DTV_VOLTAGE</constant></link></para></listitem>
-			<listitem><para><link linkend="DTV-STREAM-ID"><constant>DTV_STREAM_ID</constant></link></para></listitem>
-		</itemizedlist>
-	</section>
-	</section>
-</section>

Documentation/DocBook/media/dvb/examples.xml

@@ -1,367 +0,0 @@
-<title>Examples</title>
-<para>In this section we would like to present some examples for using the DVB API.
-</para>
-<para>NOTE: This section is out of date, and the code below won't even
-    compile. Please refer to the
-    <ulink url="https://linuxtv.org/docs/libdvbv5/index.html">libdvbv5</ulink>
-    for updated/recommended examples.
-</para>
-
-<section id="tuning">
-<title>Tuning</title>
-<para>We will start with a generic tuning subroutine that uses the frontend and SEC, as well as
-the demux devices. The example is given for QPSK tuners, but can easily be adjusted for
-QAM.
-</para>
-<programlisting>
- #include &#x003C;sys/ioctl.h&#x003E;
- #include &#x003C;stdio.h&#x003E;
- #include &#x003C;stdint.h&#x003E;
- #include &#x003C;sys/types.h&#x003E;
- #include &#x003C;sys/stat.h&#x003E;
- #include &#x003C;fcntl.h&#x003E;
- #include &#x003C;time.h&#x003E;
- #include &#x003C;unistd.h&#x003E;
-
- #include &#x003C;linux/dvb/dmx.h&#x003E;
- #include &#x003C;linux/dvb/frontend.h&#x003E;
- #include &#x003C;linux/dvb/sec.h&#x003E;
- #include &#x003C;sys/poll.h&#x003E;
-
- #define DMX "/dev/dvb/adapter0/demux1"
- #define FRONT "/dev/dvb/adapter0/frontend1"
- #define SEC "/dev/dvb/adapter0/sec1"
-
- /&#x22C6; routine for checking if we have a signal and other status information&#x22C6;/
- int FEReadStatus(int fd, fe_status_t &#x22C6;stat)
- {
-	 int ans;
-
-	 if ( (ans = ioctl(fd,FE_READ_STATUS,stat) &#x003C; 0)){
-		 perror("FE READ STATUS: ");
-		 return -1;
-	 }
-
-	 if (&#x22C6;stat &amp; FE_HAS_POWER)
-		 printf("FE HAS POWER\n");
-
-	 if (&#x22C6;stat &amp; FE_HAS_SIGNAL)
-		 printf("FE HAS SIGNAL\n");
-
-	 if (&#x22C6;stat &amp; FE_SPECTRUM_INV)
-		 printf("SPEKTRUM INV\n");
-
-	 return 0;
- }
-
-
- /&#x22C6; tune qpsk &#x22C6;/
- /&#x22C6; freq:             frequency of transponder                      &#x22C6;/
- /&#x22C6; vpid, apid, tpid: PIDs of video, audio and teletext TS packets  &#x22C6;/
- /&#x22C6; diseqc:           DiSEqC address of the used LNB                &#x22C6;/
- /&#x22C6; pol:              Polarisation                                  &#x22C6;/
- /&#x22C6; srate:            Symbol Rate                                   &#x22C6;/
- /&#x22C6; fec.              FEC                                           &#x22C6;/
- /&#x22C6; lnb_lof1:         local frequency of lower LNB band             &#x22C6;/
- /&#x22C6; lnb_lof2:         local frequency of upper LNB band             &#x22C6;/
- /&#x22C6; lnb_slof:         switch frequency of LNB                       &#x22C6;/
-
- int set_qpsk_channel(int freq, int vpid, int apid, int tpid,
-		 int diseqc, int pol, int srate, int fec, int lnb_lof1,
-		 int lnb_lof2, int lnb_slof)
- {
-	 struct secCommand scmd;
-	 struct secCmdSequence scmds;
-	 struct dmx_pes_filter_params pesFilterParams;
-	 FrontendParameters frp;
-	 struct pollfd pfd[1];
-	 FrontendEvent event;
-	 int demux1, demux2, demux3, front;
-
-	 frequency = (uint32_t) freq;
-	 symbolrate = (uint32_t) srate;
-
-	 if((front = open(FRONT,O_RDWR)) &#x003C; 0){
-		 perror("FRONTEND DEVICE: ");
-		 return -1;
-	 }
-
-	 if((sec = open(SEC,O_RDWR)) &#x003C; 0){
-		 perror("SEC DEVICE: ");
-		 return -1;
-	 }
-
-	 if (demux1 &#x003C; 0){
-		 if ((demux1=open(DMX, O_RDWR|O_NONBLOCK))
-		     &#x003C; 0){
-			 perror("DEMUX DEVICE: ");
-			 return -1;
-		 }
-	 }
-
-	 if (demux2 &#x003C; 0){
-		 if ((demux2=open(DMX, O_RDWR|O_NONBLOCK))
-		     &#x003C; 0){
-			 perror("DEMUX DEVICE: ");
-			 return -1;
-		 }
-	 }
-
-	 if (demux3 &#x003C; 0){
-		 if ((demux3=open(DMX, O_RDWR|O_NONBLOCK))
-		     &#x003C; 0){
-			 perror("DEMUX DEVICE: ");
-			 return -1;
-		 }
-	 }
-
-	 if (freq &#x003C; lnb_slof) {
-		 frp.Frequency = (freq - lnb_lof1);
-		 scmds.continuousTone = SEC_TONE_OFF;
-	 } else {
-		 frp.Frequency = (freq - lnb_lof2);
-		 scmds.continuousTone = SEC_TONE_ON;
-	 }
-	 frp.Inversion = INVERSION_AUTO;
-	 if (pol) scmds.voltage = SEC_VOLTAGE_18;
-	 else scmds.voltage = SEC_VOLTAGE_13;
-
-	 scmd.type=0;
-	 scmd.u.diseqc.addr=0x10;
-	 scmd.u.diseqc.cmd=0x38;
-	 scmd.u.diseqc.numParams=1;
-	 scmd.u.diseqc.params[0] = 0xF0 | ((diseqc &#x22C6; 4) &amp; 0x0F) |
-		 (scmds.continuousTone == SEC_TONE_ON ? 1 : 0) |
-		 (scmds.voltage==SEC_VOLTAGE_18 ? 2 : 0);
-
-	 scmds.miniCommand=SEC_MINI_NONE;
-	 scmds.numCommands=1;
-	 scmds.commands=&amp;scmd;
-	 if (ioctl(sec, SEC_SEND_SEQUENCE, &amp;scmds) &#x003C; 0){
-		 perror("SEC SEND: ");
-		 return -1;
-	 }
-
-	 if (ioctl(sec, SEC_SEND_SEQUENCE, &amp;scmds) &#x003C; 0){
-		 perror("SEC SEND: ");
-		 return -1;
-	 }
-
-	 frp.u.qpsk.SymbolRate = srate;
-	 frp.u.qpsk.FEC_inner = fec;
-
-	 if (ioctl(front, FE_SET_FRONTEND, &amp;frp) &#x003C; 0){
-		 perror("QPSK TUNE: ");
-		 return -1;
-	 }
-
-	 pfd[0].fd = front;
-	 pfd[0].events = POLLIN;
-
-	 if (poll(pfd,1,3000)){
-		 if (pfd[0].revents &amp; POLLIN){
-			 printf("Getting QPSK event\n");
-			 if ( ioctl(front, FE_GET_EVENT, &amp;event)
-
-			      == -EOVERFLOW){
-				 perror("qpsk get event");
-				 return -1;
-			 }
-			 printf("Received ");
-			 switch(event.type){
-			 case FE_UNEXPECTED_EV:
-				 printf("unexpected event\n");
-				 return -1;
-			 case FE_FAILURE_EV:
-				 printf("failure event\n");
-				 return -1;
-
-			 case FE_COMPLETION_EV:
-				 printf("completion event\n");
-			 }
-		 }
-	 }
-
-
-	 pesFilterParams.pid     = vpid;
-	 pesFilterParams.input   = DMX_IN_FRONTEND;
-	 pesFilterParams.output  = DMX_OUT_DECODER;
-	 pesFilterParams.pes_type = DMX_PES_VIDEO;
-	 pesFilterParams.flags   = DMX_IMMEDIATE_START;
-	 if (ioctl(demux1, DMX_SET_PES_FILTER, &amp;pesFilterParams) &#x003C; 0){
-		 perror("set_vpid");
-		 return -1;
-	 }
-
-	 pesFilterParams.pid     = apid;
-	 pesFilterParams.input   = DMX_IN_FRONTEND;
-	 pesFilterParams.output  = DMX_OUT_DECODER;
-	 pesFilterParams.pes_type = DMX_PES_AUDIO;
-	 pesFilterParams.flags   = DMX_IMMEDIATE_START;
-	 if (ioctl(demux2, DMX_SET_PES_FILTER, &amp;pesFilterParams) &#x003C; 0){
-		 perror("set_apid");
-		 return -1;
-	 }
-
-	 pesFilterParams.pid     = tpid;
-	 pesFilterParams.input   = DMX_IN_FRONTEND;
-	 pesFilterParams.output  = DMX_OUT_DECODER;
-	 pesFilterParams.pes_type = DMX_PES_TELETEXT;
-	 pesFilterParams.flags   = DMX_IMMEDIATE_START;
-	 if (ioctl(demux3, DMX_SET_PES_FILTER, &amp;pesFilterParams) &#x003C; 0){
-		 perror("set_tpid");
-		 return -1;
-	 }
-
-	 return has_signal(fds);
- }
-
-</programlisting>
-<para>The program assumes that you are using a universal LNB and a standard DiSEqC
-switch with up to 4 addresses. Of course, you could build in some more checking if
-tuning was successful and maybe try to repeat the tuning process. Depending on the
-external hardware, i.e. LNB and DiSEqC switch, and weather conditions this may be
-necessary.
-</para>
-</section>
-
-<section id="the_dvr_device">
-<title>The DVR device</title>
-<para>The following program code shows how to use the DVR device for recording.
-</para>
-<programlisting>
- #include &#x003C;sys/ioctl.h&#x003E;
- #include &#x003C;stdio.h&#x003E;
- #include &#x003C;stdint.h&#x003E;
- #include &#x003C;sys/types.h&#x003E;
- #include &#x003C;sys/stat.h&#x003E;
- #include &#x003C;fcntl.h&#x003E;
- #include &#x003C;time.h&#x003E;
- #include &#x003C;unistd.h&#x003E;
-
- #include &#x003C;linux/dvb/dmx.h&#x003E;
- #include &#x003C;linux/dvb/video.h&#x003E;
- #include &#x003C;sys/poll.h&#x003E;
- #define DVR "/dev/dvb/adapter0/dvr1"
- #define AUDIO "/dev/dvb/adapter0/audio1"
- #define VIDEO "/dev/dvb/adapter0/video1"
-
- #define BUFFY (188&#x22C6;20)
- #define MAX_LENGTH (1024&#x22C6;1024&#x22C6;5) /&#x22C6; record 5MB &#x22C6;/
-
-
- /&#x22C6; switch the demuxes to recording, assuming the transponder is tuned &#x22C6;/
-
- /&#x22C6; demux1, demux2: file descriptor of video and audio filters &#x22C6;/
- /&#x22C6; vpid, apid:     PIDs of video and audio channels           &#x22C6;/
-
- int switch_to_record(int demux1, int demux2, uint16_t vpid, uint16_t apid)
- {
-	 struct dmx_pes_filter_params pesFilterParams;
-
-	 if (demux1 &#x003C; 0){
-		 if ((demux1=open(DMX, O_RDWR|O_NONBLOCK))
-		     &#x003C; 0){
-			 perror("DEMUX DEVICE: ");
-			 return -1;
-		 }
-	 }
-
-	 if (demux2 &#x003C; 0){
-		 if ((demux2=open(DMX, O_RDWR|O_NONBLOCK))
-		     &#x003C; 0){
-			 perror("DEMUX DEVICE: ");
-			 return -1;
-		 }
-	 }
-
-	 pesFilterParams.pid = vpid;
-	 pesFilterParams.input = DMX_IN_FRONTEND;
-	 pesFilterParams.output = DMX_OUT_TS_TAP;
-	 pesFilterParams.pes_type = DMX_PES_VIDEO;
-	 pesFilterParams.flags = DMX_IMMEDIATE_START;
-	 if (ioctl(demux1, DMX_SET_PES_FILTER, &amp;pesFilterParams) &#x003C; 0){
-		 perror("DEMUX DEVICE");
-		 return -1;
-	 }
-	 pesFilterParams.pid = apid;
-	 pesFilterParams.input = DMX_IN_FRONTEND;
-	 pesFilterParams.output = DMX_OUT_TS_TAP;
-	 pesFilterParams.pes_type = DMX_PES_AUDIO;
-	 pesFilterParams.flags = DMX_IMMEDIATE_START;
-	 if (ioctl(demux2, DMX_SET_PES_FILTER, &amp;pesFilterParams) &#x003C; 0){
-		 perror("DEMUX DEVICE");
-		 return -1;
-	 }
-	 return 0;
- }
-
- /&#x22C6; start recording MAX_LENGTH , assuming the transponder is tuned &#x22C6;/
-
- /&#x22C6; demux1, demux2: file descriptor of video and audio filters &#x22C6;/
- /&#x22C6; vpid, apid:     PIDs of video and audio channels           &#x22C6;/
- int record_dvr(int demux1, int demux2, uint16_t vpid, uint16_t apid)
- {
-	 int i;
-	 int len;
-	 int written;
-	 uint8_t buf[BUFFY];
-	 uint64_t length;
-	 struct pollfd pfd[1];
-	 int dvr, dvr_out;
-
-	 /&#x22C6; open dvr device &#x22C6;/
-	 if ((dvr = open(DVR, O_RDONLY|O_NONBLOCK)) &#x003C; 0){
-			 perror("DVR DEVICE");
-			 return -1;
-	 }
-
-	 /&#x22C6; switch video and audio demuxes to dvr &#x22C6;/
-	 printf ("Switching dvr on\n");
-	 i = switch_to_record(demux1, demux2, vpid, apid);
-	 printf("finished: ");
-
-	 printf("Recording %2.0f MB of test file in TS format\n",
-		MAX_LENGTH/(1024.0&#x22C6;1024.0));
-	 length = 0;
-
-	 /&#x22C6; open output file &#x22C6;/
-	 if ((dvr_out = open(DVR_FILE,O_WRONLY|O_CREAT
-				  |O_TRUNC, S_IRUSR|S_IWUSR
-				  |S_IRGRP|S_IWGRP|S_IROTH|
-				  S_IWOTH)) &#x003C; 0){
-		 perror("Can't open file for dvr test");
-		 return -1;
-	 }
-
-	 pfd[0].fd = dvr;
-	 pfd[0].events = POLLIN;
-
-	 /&#x22C6; poll for dvr data and write to file &#x22C6;/
-	 while (length &#x003C; MAX_LENGTH ) {
-		 if (poll(pfd,1,1)){
-			 if (pfd[0].revents &amp; POLLIN){
-				 len = read(dvr, buf, BUFFY);
-				 if (len &#x003C; 0){
-					 perror("recording");
-					 return -1;
-				 }
-				 if (len &#x003E; 0){
-					 written = 0;
-					 while (written &#x003C; len)
-						 written +=
-							 write (dvr_out,
-								buf, len);
-					 length += len;
-					 printf("written %2.0f MB\r",
-						length/1024./1024.);
-				 }
-			 }
-		 }
-	 }
-	 return 0;
- }
-
-</programlisting>
-
-</section>

Documentation/DocBook/media/dvb/fe-diseqc-recv-slave-reply.xml

@@ -1,78 +0,0 @@
-<refentry id="FE_DISEQC_RECV_SLAVE_REPLY">
-  <refmeta>
-    <refentrytitle>ioctl FE_DISEQC_RECV_SLAVE_REPLY</refentrytitle>
-    &manvol;
-  </refmeta>
-
-  <refnamediv>
-    <refname>FE_DISEQC_RECV_SLAVE_REPLY</refname>
-    <refpurpose>Receives reply from a DiSEqC 2.0 command</refpurpose>
-  </refnamediv>
-
-  <refsynopsisdiv>
-    <funcsynopsis>
-      <funcprototype>
-	<funcdef>int <function>ioctl</function></funcdef>
-	<paramdef>int <parameter>fd</parameter></paramdef>
-	<paramdef>int <parameter>request</parameter></paramdef>
-	<paramdef>struct dvb_diseqc_slave_reply *<parameter>argp</parameter></paramdef>
-      </funcprototype>
-    </funcsynopsis>
-  </refsynopsisdiv>
-
-  <refsect1>
-    <title>Arguments</title>
-        <variablelist>
-      <varlistentry>
-	<term><parameter>fd</parameter></term>
-	<listitem>
-	  <para>&fe_fd;</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><parameter>request</parameter></term>
-	<listitem>
-	  <para>FE_DISEQC_RECV_SLAVE_REPLY</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><parameter>argp</parameter></term>
-	<listitem>
-	    <para>pointer to &dvb-diseqc-slave-reply;</para>
-	</listitem>
-      </varlistentry>
-    </variablelist>
-  </refsect1>
-
-  <refsect1>
-    <title>Description</title>
-
-    <para>Receives reply from a DiSEqC 2.0 command.</para>
-&return-value-dvb;
-
-<table pgwide="1" frame="none" id="dvb-diseqc-slave-reply">
-    <title>struct <structname>dvb_diseqc_slave_reply</structname></title>
-    <tgroup cols="3">
-    &cs-str;
-    <tbody valign="top">
-	<row>
-	<entry>uint8_t</entry>
-	<entry>msg[4]</entry>
-	<entry>DiSEqC message (framing, data[3])</entry>
-	</row><row>
-	<entry>uint8_t</entry>
-	<entry>msg_len</entry>
-	<entry>Length of the DiSEqC message. Valid values are 0 to 4,
-	    where 0 means no msg</entry>
-	</row><row>
-	<entry>int</entry>
-	<entry>timeout</entry>
-	<entry>Return from ioctl after timeout ms with errorcode when no
-	    message was received</entry>
-	</row>
-    </tbody>
-    </tgroup>
-</table>
-
-</refsect1>
-</refentry>

Documentation/DocBook/media/dvb/fe-diseqc-reset-overload.xml

@@ -1,51 +0,0 @@
-<refentry id="FE_DISEQC_RESET_OVERLOAD">
-  <refmeta>
-    <refentrytitle>ioctl FE_DISEQC_RESET_OVERLOAD</refentrytitle>
-    &manvol;
-  </refmeta>
-
-  <refnamediv>
-    <refname>FE_DISEQC_RESET_OVERLOAD</refname>
-    <refpurpose>Restores the power to the antenna subsystem, if it was powered
-	off due to power overload.</refpurpose>
-  </refnamediv>
-
-  <refsynopsisdiv>
-    <funcsynopsis>
-      <funcprototype>
-	<funcdef>int <function>ioctl</function></funcdef>
-	<paramdef>int <parameter>fd</parameter></paramdef>
-	<paramdef>int <parameter>request</parameter></paramdef>
-	<paramdef>NULL</paramdef>
-      </funcprototype>
-    </funcsynopsis>
-  </refsynopsisdiv>
-
-  <refsect1>
-    <title>Arguments</title>
-        <variablelist>
-      <varlistentry>
-	<term><parameter>fd</parameter></term>
-	<listitem>
-	  <para>&fe_fd;</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><parameter>request</parameter></term>
-	<listitem>
-	  <para>FE_DISEQC_RESET_OVERLOAD</para>
-	</listitem>
-      </varlistentry>
-    </variablelist>
-  </refsect1>
-
-  <refsect1>
-    <title>Description</title>
-
-    <para>If the bus has been automatically powered off due to power overload, this ioctl
- call restores the power to the bus. The call requires read/write access to the
- device. This call has no effect if the device is manually powered off. Not all
- DVB adapters support this ioctl.</para>
-&return-value-dvb;
-</refsect1>
-</refentry>

Documentation/DocBook/media/dvb/fe-diseqc-send-burst.xml

@@ -1,89 +0,0 @@
-<refentry id="FE_DISEQC_SEND_BURST">
-  <refmeta>
-    <refentrytitle>ioctl FE_DISEQC_SEND_BURST</refentrytitle>
-    &manvol;
-  </refmeta>
-
-  <refnamediv>
-    <refname>FE_DISEQC_SEND_BURST</refname>
-    <refpurpose>Sends a 22KHz tone burst for 2x1 mini DiSEqC satellite selection.</refpurpose>
-  </refnamediv>
-
-  <refsynopsisdiv>
-    <funcsynopsis>
-      <funcprototype>
-	<funcdef>int <function>ioctl</function></funcdef>
-	<paramdef>int <parameter>fd</parameter></paramdef>
-	<paramdef>int <parameter>request</parameter></paramdef>
-	<paramdef>enum fe_sec_mini_cmd *<parameter>tone</parameter></paramdef>
-      </funcprototype>
-    </funcsynopsis>
-  </refsynopsisdiv>
-
-  <refsect1>
-    <title>Arguments</title>
-        <variablelist>
-      <varlistentry>
-	<term><parameter>fd</parameter></term>
-	<listitem>
-	  <para>&fe_fd;</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><parameter>request</parameter></term>
-	<listitem>
-	  <para>FE_DISEQC_SEND_BURST</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><parameter>tone</parameter></term>
-	<listitem>
-	  <para>pointer to &fe-sec-mini-cmd;</para>
-	</listitem>
-      </varlistentry>
-    </variablelist>
-  </refsect1>
-
-  <refsect1>
-    <title>Description</title>
-
-<para>This ioctl is used to set the generation of a 22kHz tone burst for mini
-    DiSEqC satellite
-    selection for 2x1 switches.
-    This call requires read/write permissions.</para>
-<para>It provides support for what's specified at
-    <ulink url="http://www.eutelsat.com/files/contributed/satellites/pdf/Diseqc/associated%20docs/simple_tone_burst_detec.pdf">Digital Satellite Equipment Control
-	(DiSEqC) - Simple "ToneBurst" Detection Circuit specification.</ulink>
-    </para>
-&return-value-dvb;
-</refsect1>
-
-<refsect1 id="fe-sec-mini-cmd-t">
-<title>enum fe_sec_mini_cmd</title>
-
-<table pgwide="1" frame="none" id="fe-sec-mini-cmd">
-    <title>enum fe_sec_mini_cmd</title>
-    <tgroup cols="2">
-	&cs-def;
-	<thead>
-	<row>
-	    <entry>ID</entry>
-	    <entry>Description</entry>
-	</row>
-	</thead>
-	<tbody valign="top">
-	<row>
-	    <entry align="char" id="SEC-MINI-A"><constant>SEC_MINI_A</constant></entry>
-	    <entry align="char">Sends a mini-DiSEqC 22kHz '0' Tone Burst to
-		select satellite-A</entry>
-	</row><row>
-	    <entry align="char" id="SEC-MINI-B"><constant>SEC_MINI_B</constant></entry>
-	    <entry align="char">Sends a mini-DiSEqC 22kHz '1' Data Burst to
-		select satellite-B</entry>
-	</row>
-        </tbody>
-    </tgroup>
-</table>
-</refsect1>
-
-</refentry>

Documentation/DocBook/media/dvb/fe-diseqc-send-master-cmd.xml

@@ -1,72 +0,0 @@
-<refentry id="FE_DISEQC_SEND_MASTER_CMD">
-  <refmeta>
-    <refentrytitle>ioctl FE_DISEQC_SEND_MASTER_CMD</refentrytitle>
-    &manvol;
-  </refmeta>
-
-  <refnamediv>
-    <refname>FE_DISEQC_SEND_MASTER_CMD</refname>
-    <refpurpose>Sends a DiSEqC command</refpurpose>
-  </refnamediv>
-
-  <refsynopsisdiv>
-    <funcsynopsis>
-      <funcprototype>
-	<funcdef>int <function>ioctl</function></funcdef>
-	<paramdef>int <parameter>fd</parameter></paramdef>
-	<paramdef>int <parameter>request</parameter></paramdef>
-	<paramdef>struct dvb_diseqc_master_cmd *<parameter>argp</parameter></paramdef>
-      </funcprototype>
-    </funcsynopsis>
-  </refsynopsisdiv>
-
-  <refsect1>
-    <title>Arguments</title>
-        <variablelist>
-      <varlistentry>
-	<term><parameter>fd</parameter></term>
-	<listitem>
-	  <para>&fe_fd;</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><parameter>request</parameter></term>
-	<listitem>
-	  <para>FE_DISEQC_SEND_MASTER_CMD</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><parameter>argp</parameter></term>
-	<listitem>
-	    <para>pointer to &dvb-diseqc-master-cmd;</para>
-	</listitem>
-      </varlistentry>
-    </variablelist>
-  </refsect1>
-
-  <refsect1>
-    <title>Description</title>
-
-    <para>Sends a DiSEqC command to the antenna subsystem.</para>
-&return-value-dvb;
-
-<table pgwide="1" frame="none" id="dvb-diseqc-master-cmd">
-    <title>struct <structname>dvb_diseqc_master_cmd</structname></title>
-    <tgroup cols="3">
-    &cs-str;
-    <tbody valign="top">
-	<row>
-	<entry>uint8_t</entry>
-	<entry>msg[6]</entry>
-	<entry>DiSEqC message (framing, address, command, data[3])</entry>
-	</row><row>
-	<entry>uint8_t</entry>
-	<entry>msg_len</entry>
-	<entry>Length of the DiSEqC message. Valid values are 3 to 6</entry>
-	</row>
-    </tbody>
-    </tgroup>
-</table>
-
-</refsect1>
-</refentry>

Documentation/DocBook/media/dvb/fe-enable-high-lnb-voltage.xml

@@ -1,61 +0,0 @@
-<refentry id="FE_ENABLE_HIGH_LNB_VOLTAGE">
-  <refmeta>
-    <refentrytitle>ioctl FE_ENABLE_HIGH_LNB_VOLTAGE</refentrytitle>
-    &manvol;
-  </refmeta>
-
-  <refnamediv>
-    <refname>FE_ENABLE_HIGH_LNB_VOLTAGE</refname>
-    <refpurpose>Select output DC level between normal LNBf voltages or higher
-	LNBf voltages.</refpurpose>
-  </refnamediv>
-
-  <refsynopsisdiv>
-    <funcsynopsis>
-      <funcprototype>
-	<funcdef>int <function>ioctl</function></funcdef>
-	<paramdef>int <parameter>fd</parameter></paramdef>
-	<paramdef>int <parameter>request</parameter></paramdef>
-	<paramdef>unsigned int <parameter>high</parameter></paramdef>
-      </funcprototype>
-    </funcsynopsis>
-  </refsynopsisdiv>
-
-  <refsect1>
-    <title>Arguments</title>
-        <variablelist>
-      <varlistentry>
-	<term><parameter>fd</parameter></term>
-	<listitem>
-	  <para>&fe_fd;</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><parameter>request</parameter></term>
-	<listitem>
-	  <para>FE_ENABLE_HIGH_LNB_VOLTAGE</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><parameter>high</parameter></term>
-	<listitem>
-	    <para>Valid flags:</para>
-	    <itemizedlist>
-		<listitem><para>0 - normal 13V and 18V.</para></listitem>
-		<listitem><para>&gt;0 - enables slightly higher voltages instead of
-		    13/18V, in order to compensate for long antenna cables.</para></listitem>
-	    </itemizedlist>
-	</listitem>
-      </varlistentry>
-    </variablelist>
-  </refsect1>
-
-  <refsect1>
-    <title>Description</title>
-
-    <para>Select output DC level between normal LNBf voltages or higher
-	LNBf voltages between 0 (normal) or a value grater than 0 for higher
-	voltages.</para>
-&return-value-dvb;
-</refsect1>
-</refentry>

Documentation/DocBook/media/dvb/fe-get-info.xml

@@ -1,266 +0,0 @@
-<refentry id="FE_GET_INFO">
-  <refmeta>
-    <refentrytitle>ioctl FE_GET_INFO</refentrytitle>
-    &manvol;
-  </refmeta>
-
-  <refnamediv>
-    <refname>FE_GET_INFO</refname>
-    <refpurpose>Query DVB frontend capabilities and returns information about
-	the front-end. This call only requires read-only access to the device</refpurpose>
-  </refnamediv>
-
-  <refsynopsisdiv>
-    <funcsynopsis>
-      <funcprototype>
-	<funcdef>int <function>ioctl</function></funcdef>
-	<paramdef>int <parameter>fd</parameter></paramdef>
-	<paramdef>int <parameter>request</parameter></paramdef>
-	<paramdef>struct dvb_frontend_info *<parameter>argp</parameter></paramdef>
-      </funcprototype>
-    </funcsynopsis>
-  </refsynopsisdiv>
-
-  <refsect1>
-    <title>Arguments</title>
-        <variablelist>
-      <varlistentry>
-	<term><parameter>fd</parameter></term>
-	<listitem>
-	  <para>&fe_fd;</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><parameter>request</parameter></term>
-	<listitem>
-	  <para>FE_GET_INFO</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><parameter>argp</parameter></term>
-	<listitem>
-	    <para>pointer to struct &dvb-frontend-info;</para>
-	</listitem>
-      </varlistentry>
-    </variablelist>
-  </refsect1>
-
-  <refsect1>
-    <title>Description</title>
-
-    <para>All DVB frontend devices support the
-<constant>FE_GET_INFO</constant> ioctl. It is used to identify
-kernel devices compatible with this specification and to obtain
-information about driver and hardware capabilities. The ioctl takes a
-pointer to dvb_frontend_info which is filled by the driver. When the
-driver is not compatible with this specification the ioctl returns an error.
-</para>
-&return-value-dvb;
-
-    <table pgwide="1" frame="none" id="dvb-frontend-info">
-      <title>struct <structname>dvb_frontend_info</structname></title>
-      <tgroup cols="3">
-	&cs-str;
-	<tbody valign="top">
-	  <row>
-	    <entry>char</entry>
-	    <entry>name[128]</entry>
-	    <entry>Name of the frontend</entry>
-	  </row><row>
-	    <entry>fe_type_t</entry>
-	    <entry>type</entry>
-	    <entry><emphasis role="bold">DEPRECATED</emphasis>. DVBv3 type. Should not be used on modern programs, as a
-		frontend may have more than one type. So, the DVBv5 API should
-		be used instead to enumerate and select the frontend type.</entry>
-	  </row><row>
-	    <entry>uint32_t</entry>
-	    <entry>frequency_min</entry>
-	    <entry>Minimal frequency supported by the frontend</entry>
-	  </row><row>
-	    <entry>uint32_t</entry>
-	    <entry>frequency_max</entry>
-	    <entry>Maximal frequency supported by the frontend</entry>
-	  </row><row>
-	    <entry>uint32_t</entry>
-	    <entry>frequency_stepsize</entry>
-	    <entry>Frequency step - all frequencies are multiple of this value</entry>
-	  </row><row>
-	    <entry>uint32_t</entry>
-	    <entry>frequency_tolerance</entry>
-	    <entry>Tolerance of the frequency</entry>
-	  </row><row>
-	    <entry>uint32_t</entry>
-	    <entry>symbol_rate_min</entry>
-	    <entry>Minimal symbol rate (for Cable/Satellite systems), in bauds</entry>
-	  </row><row>
-	    <entry>uint32_t</entry>
-	    <entry>symbol_rate_max</entry>
-	    <entry>Maximal symbol rate (for Cable/Satellite systems), in bauds</entry>
-	  </row><row>
-	    <entry>uint32_t</entry>
-	    <entry>symbol_rate_tolerance</entry>
-	    <entry>Maximal symbol rate tolerance, in ppm</entry>
-	  </row><row>
-	    <entry>uint32_t</entry>
-	    <entry>notifier_delay</entry>
-	    <entry><emphasis role="bold">DEPRECATED</emphasis>. Not used by any driver.</entry>
-	  </row><row>
-	    <entry>&fe-caps;</entry>
-	    <entry>caps</entry>
-	    <entry>Capabilities supported by the frontend</entry>
-          </row>
-	</tbody>
-      </tgroup>
-    </table>
-
-  <para>NOTE: The frequencies are specified in Hz for Terrestrial and Cable
-      systems. They're specified in kHz for Satellite systems</para>
-  </refsect1>
-
-<refsect1 id="fe-caps-t">
-<title>frontend capabilities</title>
-
-<para>Capabilities describe what a frontend can do. Some capabilities are
-    supported only on some specific frontend types.</para>
-
-<table pgwide="1" frame="none" id="fe-caps">
-    <title>enum fe_caps</title>
-    <tgroup cols="2">
-	&cs-def;
-	<thead>
-	<row>
-	    <entry>ID</entry>
-	    <entry>Description</entry>
-	</row>
-	</thead>
-	<tbody valign="top">
-	<row>
-	<entry id="FE-IS-STUPID"><constant>FE_IS_STUPID</constant></entry>
-	<entry>There's something wrong at the frontend, and it can't
-	    report its capabilities</entry>
-	</row>
-	<row>
-	<entry id="FE-CAN-INVERSION-AUTO"><constant>FE_CAN_INVERSION_AUTO</constant></entry>
-	<entry>The frontend is capable of auto-detecting inversion</entry>
-	</row>
-	<row>
-	<entry id="FE-CAN-FEC-1-2"><constant>FE_CAN_FEC_1_2</constant></entry>
-	<entry>The frontend supports FEC 1/2</entry>
-	</row>
-	<row>
-	<entry id="FE-CAN-FEC-2-3"><constant>FE_CAN_FEC_2_3</constant></entry>
-	<entry>The frontend supports FEC 2/3</entry>
-	</row>
-	<row>
-	<entry id="FE-CAN-FEC-3-4"><constant>FE_CAN_FEC_3_4</constant></entry>
-	<entry>The frontend supports FEC 3/4</entry>
-	</row>
-	<row>
-	<entry id="FE-CAN-FEC-4-5"><constant>FE_CAN_FEC_4_5</constant></entry>
-	<entry>The frontend supports FEC 4/5</entry>
-	</row>
-	<row>
-	<entry id="FE-CAN-FEC-5-6"><constant>FE_CAN_FEC_5_6</constant></entry>
-	<entry>The frontend supports FEC 5/6</entry>
-	</row>
-	<row>
-	<entry id="FE-CAN-FEC-6-7"><constant>FE_CAN_FEC_6_7</constant></entry>
-	<entry>The frontend supports FEC 6/7</entry>
-	</row>
-	<row>
-	<entry id="FE-CAN-FEC-7-8"><constant>FE_CAN_FEC_7_8</constant></entry>
-	<entry>The frontend supports FEC 7/8</entry>
-	</row>
-	<row>
-	<entry id="FE-CAN-FEC-8-9"><constant>FE_CAN_FEC_8_9</constant></entry>
-	<entry>The frontend supports FEC 8/9</entry>
-	</row>
-	<row>
-	<entry id="FE-CAN-FEC-AUTO"><constant>FE_CAN_FEC_AUTO</constant></entry>
-	<entry>The frontend can autodetect FEC.</entry>
-	</row>
-	<row>
-	<entry id="FE-CAN-QPSK"><constant>FE_CAN_QPSK</constant></entry>
-	<entry>The frontend supports QPSK modulation</entry>
-	</row>
-	<row>
-	<entry id="FE-CAN-QAM-16"><constant>FE_CAN_QAM_16</constant></entry>
-	<entry>The frontend supports 16-QAM modulation</entry>
-	</row>
-	<row>
-	<entry id="FE-CAN-QAM-32"><constant>FE_CAN_QAM_32</constant></entry>
-	<entry>The frontend supports 32-QAM modulation</entry>
-	</row>
-	<row>
-	<entry id="FE-CAN-QAM-64"><constant>FE_CAN_QAM_64</constant></entry>
-	<entry>The frontend supports 64-QAM modulation</entry>
-	</row>
-	<row>
-	<entry id="FE-CAN-QAM-128"><constant>FE_CAN_QAM_128</constant></entry>
-	<entry>The frontend supports 128-QAM modulation</entry>
-	</row>
-	<row>
-	<entry id="FE-CAN-QAM-256"><constant>FE_CAN_QAM_256</constant></entry>
-	<entry>The frontend supports 256-QAM modulation</entry>
-	</row>
-	<row>
-	<entry id="FE-CAN-QAM-AUTO"><constant>FE_CAN_QAM_AUTO</constant></entry>
-	<entry>The frontend can autodetect modulation</entry>
-	</row>
-	<row>
-	<entry id="FE-CAN-TRANSMISSION-MODE-AUTO"><constant>FE_CAN_TRANSMISSION_MODE_AUTO</constant></entry>
-	<entry>The frontend can autodetect the transmission mode</entry>
-	</row>
-	<row>
-	<entry id="FE-CAN-BANDWIDTH-AUTO"><constant>FE_CAN_BANDWIDTH_AUTO</constant></entry>
-	<entry>The frontend can autodetect the bandwidth</entry>
-	</row>
-	<row>
-	<entry id="FE-CAN-GUARD-INTERVAL-AUTO"><constant>FE_CAN_GUARD_INTERVAL_AUTO</constant></entry>
-	<entry>The frontend can autodetect the guard interval</entry>
-	</row>
-	<row>
-	<entry id="FE-CAN-HIERARCHY-AUTO"><constant>FE_CAN_HIERARCHY_AUTO</constant></entry>
-	<entry>The frontend can autodetect hierarch</entry>
-	</row>
-	<row>
-	<entry id="FE-CAN-8VSB"><constant>FE_CAN_8VSB</constant></entry>
-	<entry>The frontend supports 8-VSB modulation</entry>
-	</row>
-	<row>
-	<entry id="FE-CAN-16VSB"><constant>FE_CAN_16VSB</constant></entry>
-	<entry>The frontend supports 16-VSB modulation</entry>
-	</row>
-	<row>
-	<entry id="FE-HAS-EXTENDED-CAPS"><constant>FE_HAS_EXTENDED_CAPS</constant></entry>
-	<entry>Currently, unused</entry>
-	</row>
-	<row>
-	<entry id="FE-CAN-MULTISTREAM"><constant>FE_CAN_MULTISTREAM</constant></entry>
-	<entry>The frontend supports multistream filtering</entry>
-	</row>
-	<row>
-	<entry id="FE-CAN-TURBO-FEC"><constant>FE_CAN_TURBO_FEC</constant></entry>
-	<entry>The frontend supports turbo FEC modulation</entry>
-	</row>
-	<row>
-	<entry id="FE-CAN-2G-MODULATION"><constant>FE_CAN_2G_MODULATION</constant></entry>
-	<entry>The frontend supports "2nd generation modulation" (DVB-S2/T2)></entry>
-	</row>
-	<row>
-	<entry id="FE-NEEDS-BENDING"><constant>FE_NEEDS_BENDING</constant></entry>
-	<entry>Not supported anymore, don't use it</entry>
-	</row>
-	<row>
-	<entry id="FE-CAN-RECOVER"><constant>FE_CAN_RECOVER</constant></entry>
-	<entry>The frontend can recover from a cable unplug automatically</entry>
-	</row>
-	<row>
-	<entry id="FE-CAN-MUTE-TS"><constant>FE_CAN_MUTE_TS</constant></entry>
-	<entry>The frontend can stop spurious TS data output</entry>
-	</row>
-        </tbody>
-    </tgroup>
-</table>
-</refsect1>
-</refentry>

Documentation/DocBook/media/dvb/fe-get-property.xml

@@ -1,81 +0,0 @@
-<refentry id="FE_GET_PROPERTY">
-  <refmeta>
-    <refentrytitle>ioctl FE_SET_PROPERTY, FE_GET_PROPERTY</refentrytitle>
-    &manvol;
-  </refmeta>
-
-  <refnamediv>
-      <refname>FE_SET_PROPERTY</refname>
-      <refname>FE_GET_PROPERTY</refname>
-    <refpurpose>FE_SET_PROPERTY sets one or more frontend properties.
-	FE_GET_PROPERTY returns one or more frontend properties.</refpurpose>
-  </refnamediv>
-
-  <refsynopsisdiv>
-    <funcsynopsis>
-      <funcprototype>
-	<funcdef>int <function>ioctl</function></funcdef>
-	<paramdef>int <parameter>fd</parameter></paramdef>
-	<paramdef>int <parameter>request</parameter></paramdef>
-	<paramdef>struct dtv_properties *<parameter>argp</parameter></paramdef>
-      </funcprototype>
-    </funcsynopsis>
-  </refsynopsisdiv>
-
-  <refsect1>
-    <title>Arguments</title>
-        <variablelist>
-      <varlistentry>
-	<term><parameter>fd</parameter></term>
-	<listitem>
-	  <para>&fe_fd;</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><parameter>request</parameter></term>
-	<listitem>
-	  <para>FE_SET_PROPERTY, FE_GET_PROPERTY</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><parameter>argp</parameter></term>
-	<listitem>
-	    <para>pointer to &dtv-properties;</para>
-	</listitem>
-      </varlistentry>
-    </variablelist>
-  </refsect1>
-
-  <refsect1>
-    <title>Description</title>
-
-    <para>All DVB frontend devices support the
-<constant>FE_SET_PROPERTY</constant> and <constant>FE_GET_PROPERTY</constant>
-ioctls. The supported properties and statistics depends on the delivery system
-and on the device:</para>
-<itemizedlist>
-<listitem>
-    <para><constant>FE_SET_PROPERTY:</constant></para>
-<itemizedlist>
-<listitem><para>This ioctl is used to set one or more
-	frontend properties.</para></listitem>
-<listitem><para>This is the basic command to request the frontend to tune into some
-    frequency and to start decoding the digital TV signal.</para></listitem>
-<listitem><para>This call requires read/write access to the device.</para></listitem>
-<listitem><para>At return, the values are updated to reflect the
-    actual parameters used.</para></listitem>
-</itemizedlist>
-</listitem>
-<listitem>
-    <para><constant>FE_GET_PROPERTY:</constant></para>
-<itemizedlist>
-<listitem><para>This ioctl is used to get properties and
-statistics from the frontend.</para></listitem>
-<listitem><para>No properties are changed, and statistics aren't reset.</para></listitem>
-<listitem><para>This call only requires read-only access to the device.</para></listitem>
-</itemizedlist>
-</listitem>
-</itemizedlist>
-&return-value-dvb;
-</refsect1>
-</refentry>

Documentation/DocBook/media/dvb/fe-read-status.xml

@@ -1,107 +0,0 @@
-<refentry id="FE_READ_STATUS">
-  <refmeta>
-    <refentrytitle>ioctl FE_READ_STATUS</refentrytitle>
-    &manvol;
-  </refmeta>
-
-  <refnamediv>
-    <refname>FE_READ_STATUS</refname>
-    <refpurpose>Returns status information about the front-end. This call only
- requires read-only access to the device</refpurpose>
-  </refnamediv>
-
-  <refsynopsisdiv>
-    <funcsynopsis>
-      <funcprototype>
-	<funcdef>int <function>ioctl</function></funcdef>
-	<paramdef>int <parameter>fd</parameter></paramdef>
-	<paramdef>int <parameter>request</parameter></paramdef>
-	<paramdef>unsigned int *<parameter>status</parameter></paramdef>
-      </funcprototype>
-    </funcsynopsis>
-  </refsynopsisdiv>
-
-  <refsect1>
-    <title>Arguments</title>
-        <variablelist>
-      <varlistentry>
-	<term><parameter>fd</parameter></term>
-	<listitem>
-	  <para>&fe_fd;</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><parameter>request</parameter></term>
-	<listitem>
-	  <para>FE_READ_STATUS</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><parameter>status</parameter></term>
-	<listitem>
-	    <para>pointer to a bitmask integer filled with the values defined by
-		&fe-status;.</para>
-	</listitem>
-      </varlistentry>
-    </variablelist>
-  </refsect1>
-
-  <refsect1>
-    <title>Description</title>
-
-    <para>All DVB frontend devices support the
-<constant>FE_READ_STATUS</constant> ioctl. It is used to check about the
-locking status of the frontend after being tuned. The ioctl takes a
-pointer to an integer where the status will be written.
-</para>
-<para>NOTE: the size of status is actually sizeof(enum fe_status), with varies
-    according with the architecture. This needs to be fixed in the future.</para>
-&return-value-dvb;
-</refsect1>
-
-<refsect1 id="fe-status-t">
-<title>int fe_status</title>
-
-<para>The fe_status parameter is used to indicate the current state
-    and/or state changes of the frontend hardware. It is produced using
-    the &fe-status; values on a bitmask</para>
-
-<table pgwide="1" frame="none" id="fe-status">
-    <title>enum fe_status</title>
-    <tgroup cols="2">
-	&cs-def;
-	<thead>
-	<row>
-	    <entry>ID</entry>
-	    <entry>Description</entry>
-	</row>
-	</thead>
-	<tbody valign="top">
-	<row>
-	    <entry align="char" id="FE-HAS-SIGNAL"><constant>FE_HAS_SIGNAL</constant></entry>
-	    <entry align="char">The frontend has found something above the noise level</entry>
-	</row><row>
-	    <entry align="char" id="FE-HAS-CARRIER"><constant>FE_HAS_CARRIER</constant></entry>
-	    <entry align="char">The frontend has found a DVB signal</entry>
-	</row><row>
-	    <entry align="char" id="FE-HAS-VITERBI"><constant>FE_HAS_VITERBI</constant></entry>
-	    <entry align="char">The frontend FEC inner coding (Viterbi, LDPC or other inner code) is stable</entry>
-	</row><row>
-	    <entry align="char" id="FE-HAS-SYNC"><constant>FE_HAS_SYNC</constant></entry>
-	    <entry align="char">Synchronization bytes was found</entry>
-	</row><row>
-	    <entry align="char" id="FE-HAS-LOCK"><constant>FE_HAS_LOCK</constant></entry>
-	    <entry align="char">The DVB were locked and everything is working</entry>
-	</row><row>
-	    <entry align="char" id="FE-TIMEDOUT"><constant>FE_TIMEDOUT</constant></entry>
-	    <entry align="char">no lock within the last about 2 seconds</entry>
-	</row><row>
-	    <entry align="char" id="FE-REINIT"><constant>FE_REINIT</constant></entry>
-	    <entry align="char">The frontend was reinitialized, application is
-	    recommended to reset DiSEqC, tone and parameters</entry>
-	</row>
-        </tbody>
-    </tgroup>
-</table>
-</refsect1>
-</refentry>

Documentation/DocBook/media/dvb/fe-set-frontend-tune-mode.xml

@@ -1,64 +0,0 @@
-<refentry id="FE_SET_FRONTEND_TUNE_MODE">
-  <refmeta>
-    <refentrytitle>ioctl FE_SET_FRONTEND_TUNE_MODE</refentrytitle>
-    &manvol;
-  </refmeta>
-
-  <refnamediv>
-    <refname>FE_SET_FRONTEND_TUNE_MODE</refname>
-    <refpurpose>Allow setting tuner mode flags to the frontend.</refpurpose>
-  </refnamediv>
-
-  <refsynopsisdiv>
-    <funcsynopsis>
-      <funcprototype>
-	<funcdef>int <function>ioctl</function></funcdef>
-	<paramdef>int <parameter>fd</parameter></paramdef>
-	<paramdef>int <parameter>request</parameter></paramdef>
-	<paramdef>unsigned int <parameter>flags</parameter></paramdef>
-      </funcprototype>
-    </funcsynopsis>
-  </refsynopsisdiv>
-
-  <refsect1>
-    <title>Arguments</title>
-        <variablelist>
-      <varlistentry>
-	<term><parameter>fd</parameter></term>
-	<listitem>
-	  <para>&fe_fd;</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><parameter>request</parameter></term>
-	<listitem>
-	  <para>FE_SET_FRONTEND_TUNE_MODE</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><parameter>flags</parameter></term>
-	<listitem>
-	    <para>Valid flags:</para>
-	    <itemizedlist>
-		<listitem><para>0 - normal tune mode</para></listitem>
-		<listitem><para>FE_TUNE_MODE_ONESHOT - When set, this flag will
-		    disable any zigzagging or other "normal" tuning behaviour.
-		    Additionally, there will be no automatic monitoring of the
-		    lock status, and hence no frontend events will be
-		    generated. If a frontend device is closed, this flag will
-		    be automatically turned off when the device is reopened
-		    read-write.</para></listitem>
-	    </itemizedlist>
-	</listitem>
-      </varlistentry>
-    </variablelist>
-  </refsect1>
-
-  <refsect1>
-    <title>Description</title>
-
-    <para>Allow setting tuner mode flags to the frontend, between 0 (normal)
-	or FE_TUNE_MODE_ONESHOT mode</para>
-&return-value-dvb;
-</refsect1>
-</refentry>

Documentation/DocBook/media/dvb/fe-set-tone.xml

@@ -1,91 +0,0 @@
-<refentry id="FE_SET_TONE">
-  <refmeta>
-    <refentrytitle>ioctl FE_SET_TONE</refentrytitle>
-    &manvol;
-  </refmeta>
-
-  <refnamediv>
-    <refname>FE_SET_TONE</refname>
-    <refpurpose>Sets/resets the generation of the continuous 22kHz tone.</refpurpose>
-  </refnamediv>
-
-  <refsynopsisdiv>
-    <funcsynopsis>
-      <funcprototype>
-	<funcdef>int <function>ioctl</function></funcdef>
-	<paramdef>int <parameter>fd</parameter></paramdef>
-	<paramdef>int <parameter>request</parameter></paramdef>
-	<paramdef>enum fe_sec_tone_mode *<parameter>tone</parameter></paramdef>
-      </funcprototype>
-    </funcsynopsis>
-  </refsynopsisdiv>
-
-  <refsect1>
-    <title>Arguments</title>
-        <variablelist>
-      <varlistentry>
-	<term><parameter>fd</parameter></term>
-	<listitem>
-	  <para>&fe_fd;</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><parameter>request</parameter></term>
-	<listitem>
-	  <para>FE_SET_TONE</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><parameter>tone</parameter></term>
-	<listitem>
-	  <para>pointer to &fe-sec-tone-mode;</para>
-	</listitem>
-      </varlistentry>
-    </variablelist>
-  </refsect1>
-
-  <refsect1>
-    <title>Description</title>
-
-<para>This ioctl is used to set the generation of the continuous 22kHz tone.
-    This call requires read/write permissions.</para>
-<para>Usually, satellite antenna subsystems require that the digital TV
-    device to send a 22kHz tone in order to select between high/low band on
-    some dual-band LNBf. It is also used to send signals to DiSEqC equipment,
-    but this is done using the DiSEqC ioctls.</para>
-<para>NOTE: if more than one device is connected to the same antenna,
-    setting a tone may interfere on other devices, as they may lose
-    the capability of selecting the band. So, it is recommended that
-    applications would change to SEC_TONE_OFF when the device is not used.</para>
-
-&return-value-dvb;
-</refsect1>
-
-<refsect1 id="fe-sec-tone-mode-t">
-<title>enum fe_sec_tone_mode</title>
-
-<table pgwide="1" frame="none" id="fe-sec-tone-mode">
-    <title>enum fe_sec_tone_mode</title>
-    <tgroup cols="2">
-	&cs-def;
-	<thead>
-	<row>
-	    <entry>ID</entry>
-	    <entry>Description</entry>
-	</row>
-	</thead>
-	<tbody valign="top">
-	<row>
-	    <entry align="char" id="SEC-TONE-ON"><constant>SEC_TONE_ON</constant></entry>
-	    <entry align="char">Sends a 22kHz tone burst to the antenna</entry>
-	</row><row>
-	    <entry align="char" id="SEC-TONE-OFF"><constant>SEC_TONE_OFF</constant></entry>
-	    <entry align="char">Don't send a 22kHz tone to the antenna
-		(except if the FE_DISEQC_* ioctls are called)</entry>
-	</row>
-        </tbody>
-    </tgroup>
-</table>
-</refsect1>
-
-</refentry>

Documentation/DocBook/media/dvb/fe-set-voltage.xml

@@ -1,69 +0,0 @@
-<refentry id="FE_SET_VOLTAGE">
-  <refmeta>
-    <refentrytitle>ioctl FE_SET_VOLTAGE</refentrytitle>
-    &manvol;
-  </refmeta>
-
-  <refnamediv>
-    <refname>FE_SET_VOLTAGE</refname>
-    <refpurpose>Allow setting the DC level sent to the antenna subsystem.</refpurpose>
-  </refnamediv>
-
-  <refsynopsisdiv>
-    <funcsynopsis>
-      <funcprototype>
-	<funcdef>int <function>ioctl</function></funcdef>
-	<paramdef>int <parameter>fd</parameter></paramdef>
-	<paramdef>int <parameter>request</parameter></paramdef>
-	<paramdef>enum fe_sec_voltage *<parameter>voltage</parameter></paramdef>
-      </funcprototype>
-    </funcsynopsis>
-  </refsynopsisdiv>
-
-  <refsect1>
-    <title>Arguments</title>
-        <variablelist>
-      <varlistentry>
-	<term><parameter>fd</parameter></term>
-	<listitem>
-	  <para>&fe_fd;</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><parameter>request</parameter></term>
-	<listitem>
-	  <para>FE_SET_VOLTAGE</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><parameter>voltage</parameter></term>
-	<listitem>
-	  <para>pointer to &fe-sec-voltage;</para>
-	  <para>Valid values are described at &fe-sec-voltage;.</para>
-	</listitem>
-      </varlistentry>
-    </variablelist>
-  </refsect1>
-
-  <refsect1>
-    <title>Description</title>
-
-<para>This ioctl allows to set the DC voltage level sent through the antenna
-    cable to 13V, 18V or off.</para>
-<para>Usually, a satellite antenna subsystems require that the digital TV
-    device to send a DC voltage to feed power to the LNBf. Depending on the
-    LNBf type, the polarization or the intermediate frequency (IF) of the LNBf
-    can controlled by the voltage level. Other devices (for example, the ones
-    that implement DISEqC and multipoint LNBf's don't need to control the
-    voltage level, provided that either 13V or 18V is sent to power up the
-    LNBf.</para>
-<para>NOTE: if more than one device is connected to the same antenna,
-    setting a voltage level may interfere on other devices, as they may lose
-    the capability of setting polarization or IF. So, on those
-    cases, setting the voltage to SEC_VOLTAGE_OFF while the device is not is
-    used is recommended.</para>
-
-&return-value-dvb;
-</refsect1>
-
-</refentry>

Documentation/DocBook/media/dvb/frontend.xml

@@ -1,269 +0,0 @@
-<title>DVB Frontend API</title>
-
-<para>The DVB frontend API was designed to support three types of delivery systems:</para>
-<itemizedlist>
-    <listitem><para>Terrestrial systems: DVB-T, DVB-T2, ATSC, ATSC M/H, ISDB-T, DVB-H, DTMB, CMMB</para></listitem>
-    <listitem><para>Cable systems: DVB-C Annex A/C, ClearQAM (DVB-C Annex B), ISDB-C</para></listitem>
-    <listitem><para>Satellite systems: DVB-S, DVB-S2, DVB Turbo, ISDB-S, DSS</para></listitem>
-</itemizedlist>
-<para>The DVB frontend controls several sub-devices including:</para>
-<itemizedlist>
-    <listitem><para>Tuner</para></listitem>
-    <listitem><para>Digital TV demodulator</para></listitem>
-    <listitem><para>Low noise amplifier (LNA)</para></listitem>
-    <listitem><para>Satellite Equipment Control (SEC) hardware (only for Satellite).</para></listitem>
-</itemizedlist>
-<para>The frontend can be accessed through
-    <constant>/dev/dvb/adapter?/frontend?</constant>. Data types and
-    ioctl definitions can be accessed by including
-    <constant>linux/dvb/frontend.h</constant> in your application.
-</para>
-
-<para>NOTE: Transmission via the internet (DVB-IP)
-    is not yet handled by this API but a future extension is possible.</para>
-<para>On Satellite systems, the API support for the Satellite Equipment Control
-    (SEC) allows to power control and to send/receive signals to control the
-    antenna subsystem, selecting the polarization and choosing the Intermediate
-    Frequency IF) of the Low Noise Block Converter Feed Horn (LNBf). It
-    supports the DiSEqC and V-SEC protocols. The DiSEqC (digital SEC)
-specification is available at
-<ulink url="http://www.eutelsat.com/satellites/4_5_5.html">Eutelsat</ulink>.</para>
-
-<section id="query-dvb-frontend-info">
-<title>Querying frontend information</title>
-
-<para>Usually, the first thing to do when the frontend is opened is to
-    check the frontend capabilities. This is done using <link linkend="FE_GET_INFO">FE_GET_INFO</link>. This ioctl will enumerate
-    the DVB API version and other characteristics about the frontend, and
-    can be opened either in read only or read/write mode.</para>
-</section>
-
-<section id="dvb-fe-read-status">
-<title>Querying frontend status and statistics</title>
-
-<para>Once <link linkend="FE_GET_PROPERTY"><constant>FE_SET_PROPERTY</constant></link>
-    is called, the frontend will run a kernel thread that will periodically
-    check for the tuner lock status and provide statistics about the quality
-    of the signal.</para>
-<para>The information about the frontend tuner locking status can be queried
-    using <link linkend="FE_READ_STATUS">FE_READ_STATUS</link>.</para>
-<para>Signal statistics are provided via <link linkend="FE_GET_PROPERTY"><constant>FE_GET_PROPERTY</constant></link>.
-    Please note that several statistics require the demodulator to be fully
-    locked (e. g. with FE_HAS_LOCK bit set). See
-    <link linkend="frontend-stat-properties">Frontend statistics indicators</link>
-    for more details.</para>
-</section>
-
-&sub-dvbproperty;
-
-<section id="frontend_fcalls">
-<title>Frontend Function Calls</title>
-
-<refentry id="frontend_f_open">
-  <refmeta>
-    <refentrytitle>DVB frontend open()</refentrytitle>
-    &manvol;
-  </refmeta>
-
-  <refnamediv>
-    <refname>fe-open</refname>
-    <refpurpose>Open a frontend device</refpurpose>
-  </refnamediv>
-
-  <refsynopsisdiv>
-    <funcsynopsis>
-      <funcsynopsisinfo>#include &lt;fcntl.h&gt;</funcsynopsisinfo>
-      <funcprototype>
-	<funcdef>int <function>open</function></funcdef>
-	<paramdef>const char *<parameter>device_name</parameter></paramdef>
-	<paramdef>int <parameter>flags</parameter></paramdef>
-      </funcprototype>
-    </funcsynopsis>
-  </refsynopsisdiv>
-
-  <refsect1>
-    <title>Arguments</title>
-
-    <variablelist>
-      <varlistentry>
-	<term><parameter>device_name</parameter></term>
-	<listitem>
-	  <para>Device to be opened.</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><parameter>flags</parameter></term>
-	<listitem>
-	  <para>Open flags. Access can either be
-              <constant>O_RDWR</constant> or <constant>O_RDONLY</constant>.</para>
-          <para>Multiple opens are allowed with <constant>O_RDONLY</constant>. In this mode, only query and read ioctls are allowed.</para>
-          <para>Only one open is allowed in <constant>O_RDWR</constant>. In this mode, all ioctls are allowed.</para>
-	  <para>When the <constant>O_NONBLOCK</constant> flag is given, the system calls may return &EAGAIN; when no data is available or when the device driver is temporarily busy.</para>
-         <para>Other flags have no effect.</para>
-	</listitem>
-      </varlistentry>
-    </variablelist>
-  </refsect1>
-  <refsect1>
-    <title>Description</title>
-    <para>This system call opens a named frontend device (<constant>/dev/dvb/adapter?/frontend?</constant>)
- for subsequent use. Usually the first thing to do after a successful open is to
- find out the frontend type with <link linkend="FE_GET_INFO">FE_GET_INFO</link>.</para>
-<para>The device can be opened in read-only mode, which only allows monitoring of
- device status and statistics, or read/write mode, which allows any kind of use
- (e.g. performing tuning operations.)
-</para>
-<para>In a system with multiple front-ends, it is usually the case that multiple devices
- cannot be open in read/write mode simultaneously. As long as a front-end
- device is opened in read/write mode, other open() calls in read/write mode will
- either fail or block, depending on whether non-blocking or blocking mode was
- specified. A front-end device opened in blocking mode can later be put into
- non-blocking mode (and vice versa) using the F_SETFL command of the fcntl
- system call. This is a standard system call, documented in the Linux manual
- page for fcntl. When an open() call has succeeded, the device will be ready
- for use in the specified mode. This implies that the corresponding hardware is
- powered up, and that other front-ends may have been powered down to make
- that possible.</para>
-  </refsect1>
-
-  <refsect1>
-    <title>Return Value</title>
-
-    <para>On success <function>open</function> returns the new file
-descriptor. On error -1 is returned, and the <varname>errno</varname>
-variable is set appropriately. Possible error codes are:</para>
-
-    <variablelist>
-      <varlistentry>
-	<term><errorcode>EACCES</errorcode></term>
-	<listitem>
-	  <para>The caller has no permission to access the
-device.</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><errorcode>EBUSY</errorcode></term>
-	<listitem>
-	  <para>The the device driver is already in use.</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><errorcode>ENXIO</errorcode></term>
-	<listitem>
-	  <para>No device corresponding to this device special file
-exists.</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><errorcode>ENOMEM</errorcode></term>
-	<listitem>
-	  <para>Not enough kernel memory was available to complete the
-request.</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><errorcode>EMFILE</errorcode></term>
-	<listitem>
-	  <para>The  process  already  has  the  maximum number of
-files open.</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><errorcode>ENFILE</errorcode></term>
-	<listitem>
-	  <para>The limit on the total number of files open on the
-system has been reached.</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><errorcode>ENODEV</errorcode></term>
-	<listitem>
-	  <para>The device got removed.</para>
-	</listitem>
-      </varlistentry>
-    </variablelist>
-  </refsect1>
-</refentry>
-
-<refentry id="frontend_f_close">
-  <refmeta>
-    <refentrytitle>DVB frontend close()</refentrytitle>
-    &manvol;
-  </refmeta>
-
-  <refnamediv>
-    <refname>fe-close</refname>
-    <refpurpose>Close a frontend device</refpurpose>
-  </refnamediv>
-
-  <refsynopsisdiv>
-    <funcsynopsis>
-      <funcsynopsisinfo>#include &lt;unistd.h&gt;</funcsynopsisinfo>
-      <funcprototype>
-	<funcdef>int <function>close</function></funcdef>
-	<paramdef>int <parameter>fd</parameter></paramdef>
-      </funcprototype>
-    </funcsynopsis>
-  </refsynopsisdiv>
-
-  <refsect1>
-    <title>Arguments</title>
-
-    <variablelist>
-      <varlistentry>
-	<term><parameter>fd</parameter></term>
-	<listitem>
-	  <para>&fd;</para>
-	</listitem>
-      </varlistentry>
-    </variablelist>
-  </refsect1>
-
-  <refsect1>
-    <title>Description</title>
-<para>This system call closes a previously opened front-end device. After closing
- a front-end device, its corresponding hardware might be powered down
- automatically.</para>
-</refsect1>
-  <refsect1>
-    <title>Return Value</title>
-
-    <para>The function returns <returnvalue>0</returnvalue> on
-success, <returnvalue>-1</returnvalue> on failure and the
-<varname>errno</varname> is set appropriately. Possible error
-codes:</para>
-
-    <variablelist>
-      <varlistentry>
-	<term><errorcode>EBADF</errorcode></term>
-	<listitem>
-	  <para><parameter>fd</parameter> is not a valid open file
-descriptor.</para>
-	</listitem>
-      </varlistentry>
-    </variablelist>
-  </refsect1>
-</refentry>
-
-&sub-fe-get-info;
-&sub-fe-read-status;
-&sub-fe-get-property;
-&sub-fe-diseqc-reset-overload;
-&sub-fe-diseqc-send-master-cmd;
-&sub-fe-diseqc-recv-slave-reply;
-&sub-fe-diseqc-send-burst;
-&sub-fe-set-tone;
-&sub-fe-set-voltage;
-&sub-fe-enable-high-lnb-voltage;
-&sub-fe-set-frontend-tune-mode;
-
-</section>
-
-<section id="frontend_legacy_dvbv3_api">
-<title>DVB Frontend legacy API (a. k. a. DVBv3)</title>
-<para>The usage of this API is deprecated, as it doesn't support all digital
-    TV standards, doesn't provide good statistics measurements and provides
-    incomplete information. This is kept only to support legacy applications.</para>
-
-&sub-frontend_legacy_api;
-</section>

Documentation/DocBook/media/dvb/frontend_legacy_api.xml

@@ -1,654 +0,0 @@
-<section id="frontend_legacy_types">
-<title>Frontend Legacy Data Types</title>
-
-<section id="fe-type-t">
-<title>Frontend type</title>
-
-<para>For historical reasons, frontend types are named by the type of modulation
-    used in transmission. The fontend types are given by fe_type_t type, defined as:</para>
-
-<table pgwide="1" frame="none" id="fe-type">
-<title>Frontend types</title>
-<tgroup cols="3">
-   &cs-def;
-   <thead>
-     <row>
-       <entry>fe_type</entry>
-       <entry>Description</entry>
-       <entry><link linkend="DTV-DELIVERY-SYSTEM">DTV_DELIVERY_SYSTEM</link> equivalent type</entry>
-     </row>
-  </thead>
-  <tbody valign="top">
-  <row>
-     <entry id="FE-QPSK"><constant>FE_QPSK</constant></entry>
-     <entry>For DVB-S standard</entry>
-     <entry><constant>SYS_DVBS</constant></entry>
-  </row>
-  <row>
-     <entry id="FE-QAM"><constant>FE_QAM</constant></entry>
-     <entry>For DVB-C annex A standard</entry>
-     <entry><constant>SYS_DVBC_ANNEX_A</constant></entry>
-  </row>
-  <row>
-     <entry id="FE-OFDM"><constant>FE_OFDM</constant></entry>
-     <entry>For DVB-T standard</entry>
-     <entry><constant>SYS_DVBT</constant></entry>
-  </row>
-  <row>
-     <entry id="FE-ATSC"><constant>FE_ATSC</constant></entry>
-     <entry>For ATSC standard (terrestrial) or for DVB-C Annex B (cable) used in US.</entry>
-     <entry><constant>SYS_ATSC</constant> (terrestrial) or <constant>SYS_DVBC_ANNEX_B</constant> (cable)</entry>
-  </row>
-</tbody></tgroup></table>
-
-<para>Newer formats like DVB-S2, ISDB-T, ISDB-S and DVB-T2 are not described at the above, as they're
-supported via the new <link linkend="FE_GET_PROPERTY">FE_GET_PROPERTY/FE_GET_SET_PROPERTY</link> ioctl's, using the <link linkend="DTV-DELIVERY-SYSTEM">DTV_DELIVERY_SYSTEM</link> parameter.
-</para>
-
-<para>In the old days, &dvb-frontend-info; used to contain
-    <constant>fe_type_t</constant> field to indicate the delivery systems,
-    filled with either FE_QPSK, FE_QAM, FE_OFDM or FE_ATSC. While this is
-    still filled to keep backward compatibility, the usage of this
-    field is deprecated, as it can report just one delivery system, but some
-    devices support multiple delivery systems. Please use
-    <link linkend="DTV-ENUM-DELSYS">DTV_ENUM_DELSYS</link> instead.
-</para>
-<para>On devices that support multiple delivery systems,
-    &dvb-frontend-info;::<constant>fe_type_t</constant> is filled with the
-    currently standard, as selected by the last call to
-    <link linkend="FE_GET_PROPERTY">FE_SET_PROPERTY</link>
-    using the &DTV-DELIVERY-SYSTEM; property.</para>
-</section>
-
-<section id="fe-bandwidth-t">
-<title>Frontend bandwidth</title>
-
-<table pgwide="1" frame="none" id="fe-bandwidth">
-    <title>enum fe_bandwidth</title>
-    <tgroup cols="2">
-	&cs-def;
-	<thead>
-	<row>
-	    <entry>ID</entry>
-	    <entry>Description</entry>
-	</row>
-	</thead>
-	<tbody valign="top">
-	<row>
-	    <entry id="BANDWIDTH-AUTO"><constant>BANDWIDTH_AUTO</constant></entry>
-	    <entry>Autodetect bandwidth (if supported)</entry>
-	</row><row>
-	    <entry id="BANDWIDTH-1-712-MHZ"><constant>BANDWIDTH_1_712_MHZ</constant></entry>
-	    <entry>1.712 MHz</entry>
-	</row><row>
-	    <entry id="BANDWIDTH-5-MHZ"><constant>BANDWIDTH_5_MHZ</constant></entry>
-	    <entry>5 MHz</entry>
-	</row><row>
-	    <entry id="BANDWIDTH-6-MHZ"><constant>BANDWIDTH_6_MHZ</constant></entry>
-	    <entry>6 MHz</entry>
-	</row><row>
-	    <entry id="BANDWIDTH-7-MHZ"><constant>BANDWIDTH_7_MHZ</constant></entry>
-	    <entry>7 MHz</entry>
-	</row><row>
-	    <entry id="BANDWIDTH-8-MHZ"><constant>BANDWIDTH_8_MHZ</constant></entry>
-	    <entry>8 MHz</entry>
-	</row><row>
-	    <entry id="BANDWIDTH-10-MHZ"><constant>BANDWIDTH_10_MHZ</constant></entry>
-	    <entry>10 MHz</entry>
-	</row>
-        </tbody>
-    </tgroup>
-</table>
-
-</section>
-
-<section id="dvb-frontend-parameters">
-<title>frontend parameters</title>
-<para>The kind of parameters passed to the frontend device for tuning depend on
-the kind of hardware you are using.</para>
-<para>The struct <constant>dvb_frontend_parameters</constant> uses an
-union with specific per-system parameters. However, as newer delivery systems
-required more data, the structure size weren't enough to fit, and just
-extending its size would break the existing applications. So, those parameters
-were replaced by the usage of <link linkend="FE_GET_PROPERTY">
-<constant>FE_GET_PROPERTY/FE_SET_PROPERTY</constant></link> ioctl's. The
-new API is flexible enough to add new parameters to existing delivery systems,
-and to add newer delivery systems.</para>
-<para>So, newer applications should use <link linkend="FE_GET_PROPERTY">
-<constant>FE_GET_PROPERTY/FE_SET_PROPERTY</constant></link> instead, in
-order to be able to support the newer System Delivery like  DVB-S2, DVB-T2,
-DVB-C2, ISDB, etc.</para>
-<para>All kinds of parameters are combined as an union in the FrontendParameters structure:
-<programlisting>
-struct dvb_frontend_parameters {
-	uint32_t frequency;     /&#x22C6; (absolute) frequency in Hz for QAM/OFDM &#x22C6;/
-				/&#x22C6; intermediate frequency in kHz for QPSK &#x22C6;/
-	&fe-spectral-inversion-t; inversion;
-	union {
-		struct dvb_qpsk_parameters qpsk;
-		struct dvb_qam_parameters  qam;
-		struct dvb_ofdm_parameters ofdm;
-		struct dvb_vsb_parameters  vsb;
-	} u;
-};
-</programlisting></para>
-<para>In the case of QPSK frontends the <constant>frequency</constant> field specifies the intermediate
-frequency, i.e. the offset which is effectively added to the local oscillator frequency (LOF) of
-the LNB. The intermediate frequency has to be specified in units of kHz. For QAM and
-OFDM frontends the <constant>frequency</constant> specifies the absolute frequency and is given in Hz.
-</para>
-
-<section id="dvb-qpsk-parameters">
-<title>QPSK parameters</title>
-<para>For satellite QPSK frontends you have to use the <constant>dvb_qpsk_parameters</constant> structure:</para>
-<programlisting>
- struct dvb_qpsk_parameters {
-	 uint32_t        symbol_rate;  /&#x22C6; symbol rate in Symbols per second &#x22C6;/
-	 &fe-code-rate-t;  fec_inner;    /&#x22C6; forward error correction (see above) &#x22C6;/
- };
-</programlisting>
-</section>
-
-<section id="dvb-qam-parameters">
-<title>QAM parameters</title>
-<para>for cable QAM frontend you use the <constant>dvb_qam_parameters</constant> structure:</para>
-<programlisting>
- struct dvb_qam_parameters {
-	 uint32_t         symbol_rate; /&#x22C6; symbol rate in Symbols per second &#x22C6;/
-	 &fe-code-rate-t;   fec_inner;   /&#x22C6; forward error correction (see above) &#x22C6;/
-	 &fe-modulation-t;  modulation;  /&#x22C6; modulation type (see above) &#x22C6;/
- };
-</programlisting>
-</section>
-
-<section id="dvb-vsb-parameters">
-<title>VSB parameters</title>
-<para>ATSC frontends are supported by the <constant>dvb_vsb_parameters</constant> structure:</para>
-<programlisting>
-struct dvb_vsb_parameters {
-	&fe-modulation-t; modulation;	/&#x22C6; modulation type (see above) &#x22C6;/
-};
-</programlisting>
-</section>
-
-<section id="dvb-ofdm-parameters">
-<title>OFDM parameters</title>
-<para>DVB-T frontends are supported by the <constant>dvb_ofdm_parameters</constant> structure:</para>
-<programlisting>
- struct dvb_ofdm_parameters {
-	 &fe-bandwidth-t;      bandwidth;
-	 &fe-code-rate-t;      code_rate_HP;  /&#x22C6; high priority stream code rate &#x22C6;/
-	 &fe-code-rate-t;      code_rate_LP;  /&#x22C6; low priority stream code rate &#x22C6;/
-	 &fe-modulation-t;     constellation; /&#x22C6; modulation type (see above) &#x22C6;/
-	 &fe-transmit-mode-t;  transmission_mode;
-	 &fe-guard-interval-t; guard_interval;
-	 &fe-hierarchy-t;      hierarchy_information;
- };
-</programlisting>
-</section>
-</section>
-
-<section id="dvb-frontend-event">
-<title>frontend events</title>
- <programlisting>
- struct dvb_frontend_event {
-	 fe_status_t status;
-	 struct dvb_frontend_parameters parameters;
- };
-</programlisting>
- </section>
-</section>
-
-<section id="frontend_legacy_fcalls">
-<title>Frontend Legacy Function Calls</title>
-
-<para>Those functions are defined at DVB version 3. The support is kept in
-    the kernel due to compatibility issues only. Their usage is strongly
-    not recommended</para>
-
-<section id="FE_READ_BER">
-<title>FE_READ_BER</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call returns the bit error rate for the signal currently
- received/demodulated by the front-end. For this command, read-only access to
- the device is sufficient.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(int fd, int request = <link linkend="FE_READ_BER">FE_READ_BER</link>,
- uint32_t &#x22C6;ber);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals <link linkend="FE_READ_BER">FE_READ_BER</link> for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>uint32_t *ber</para>
-</entry><entry
- align="char">
-<para>The bit error rate is stored into *ber.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-&return-value-dvb;
-</section>
-
-<section id="FE_READ_SNR">
-<title>FE_READ_SNR</title>
-
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call returns the signal-to-noise ratio for the signal currently received
- by the front-end. For this command, read-only access to the device is sufficient.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(int fd, int request = <link linkend="FE_READ_SNR">FE_READ_SNR</link>, uint16_t
- &#x22C6;snr);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals <link linkend="FE_READ_SNR">FE_READ_SNR</link> for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>uint16_t *snr</para>
-</entry><entry
- align="char">
-<para>The signal-to-noise ratio is stored into *snr.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-&return-value-dvb;
-</section>
-
-<section id="FE_READ_SIGNAL_STRENGTH">
-<title>FE_READ_SIGNAL_STRENGTH</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call returns the signal strength value for the signal currently received
- by the front-end. For this command, read-only access to the device is sufficient.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl( int fd, int request =
- <link linkend="FE_READ_SIGNAL_STRENGTH">FE_READ_SIGNAL_STRENGTH</link>, uint16_t &#x22C6;strength);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals <link linkend="FE_READ_SIGNAL_STRENGTH">FE_READ_SIGNAL_STRENGTH</link> for this
- command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>uint16_t *strength</para>
-</entry><entry
- align="char">
-<para>The signal strength value is stored into *strength.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-&return-value-dvb;
-</section>
-
-<section id="FE_READ_UNCORRECTED_BLOCKS">
-<title>FE_READ_UNCORRECTED_BLOCKS</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call returns the number of uncorrected blocks detected by the device
- driver during its lifetime. For meaningful measurements, the increment in block
- count during a specific time interval should be calculated. For this command,
- read-only access to the device is sufficient.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>Note that the counter will wrap to zero after its maximum count has been
- reached.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl( int fd, int request =
- <link linkend="FE_READ_UNCORRECTED_BLOCKS">FE_READ_UNCORRECTED_BLOCKS</link>, uint32_t &#x22C6;ublocks);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals <link linkend="FE_READ_UNCORRECTED_BLOCKS">FE_READ_UNCORRECTED_BLOCKS</link> for this
- command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>uint32_t *ublocks</para>
-</entry><entry
- align="char">
-<para>The total number of uncorrected blocks seen by the driver
- so far.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-&return-value-dvb;
-</section>
-
-<section id="FE_SET_FRONTEND">
-<title>FE_SET_FRONTEND</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call starts a tuning operation using specified parameters. The result
- of this call will be successful if the parameters were valid and the tuning could
- be initiated. The result of the tuning operation in itself, however, will arrive
- asynchronously as an event (see documentation for <link linkend="FE_GET_EVENT">FE_GET_EVENT</link> and
- FrontendEvent.) If a new <link linkend="FE_SET_FRONTEND">FE_SET_FRONTEND</link> operation is initiated before
- the previous one was completed, the previous operation will be aborted in favor
- of the new one. This command requires read/write access to the device.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(int fd, int request = <link linkend="FE_SET_FRONTEND">FE_SET_FRONTEND</link>,
- struct dvb_frontend_parameters &#x22C6;p);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals <link linkend="FE_SET_FRONTEND">FE_SET_FRONTEND</link> for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>struct
- dvb_frontend_parameters
- *p</para>
-</entry><entry
- align="char">
-<para>Points to parameters for tuning operation.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-&return-value-dvb;
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>EINVAL</para>
-</entry><entry
- align="char">
-<para>Maximum supported symbol rate reached.</para>
-</entry>
-</row></tbody></tgroup></informaltable>
-</section>
-
-<section id="FE_GET_FRONTEND">
-<title>FE_GET_FRONTEND</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call queries the currently effective frontend parameters. For this
- command, read-only access to the device is sufficient.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(int fd, int request = <link linkend="FE_GET_FRONTEND">FE_GET_FRONTEND</link>,
- struct dvb_frontend_parameters &#x22C6;p);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals <link linkend="FE_SET_FRONTEND">FE_SET_FRONTEND</link> for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>struct
- dvb_frontend_parameters
- *p</para>
-</entry><entry
- align="char">
-<para>Points to parameters for tuning operation.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-&return-value-dvb;
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>EINVAL</para>
-</entry><entry
- align="char">
-<para>Maximum supported symbol rate reached.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-</section>
-
-<section id="FE_GET_EVENT">
-<title>FE_GET_EVENT</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call returns a frontend event if available. If an event is not
- available, the behavior depends on whether the device is in blocking or
- non-blocking mode. In the latter case, the call fails immediately with errno
- set to EWOULDBLOCK. In the former case, the call blocks until an event
- becomes available.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>The standard Linux poll() and/or select() system calls can be used with the
- device file descriptor to watch for new events. For select(), the file descriptor
- should be included in the exceptfds argument, and for poll(), POLLPRI should
- be specified as the wake-up condition. Since the event queue allocated is
- rather small (room for 8 events), the queue must be serviced regularly to avoid
- overflow. If an overflow happens, the oldest event is discarded from the queue,
- and an error (EOVERFLOW) occurs the next time the queue is read. After
- reporting the error condition in this fashion, subsequent
- <link linkend="FE_GET_EVENT">FE_GET_EVENT</link>
- calls will return events from the queue as usual.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>For the sake of implementation simplicity, this command requires read/write
- access to the device.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(int fd, int request = QPSK_GET_EVENT,
- struct dvb_frontend_event &#x22C6;ev);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals <link linkend="FE_GET_EVENT">FE_GET_EVENT</link> for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>struct
- dvb_frontend_event
- *ev</para>
-</entry><entry
- align="char">
-<para>Points to the location where the event,</para>
-</entry>
- </row><row><entry
- align="char">
-</entry><entry
- align="char">
-<para>if any, is to be stored.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-&return-value-dvb;
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>EWOULDBLOCK</para>
-</entry><entry
- align="char">
-<para>There is no event pending, and the device is in
- non-blocking mode.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>EOVERFLOW</para>
-</entry><entry
- align="char">
-<para>Overflow in event queue - one or more events were lost.</para>
-</entry>
-</row></tbody></tgroup></informaltable>
-</section>
-
-<section id="FE_DISHNETWORK_SEND_LEGACY_CMD">
-	<title>FE_DISHNETWORK_SEND_LEGACY_CMD</title>
-<para>DESCRIPTION</para>
-<informaltable><tgroup cols="1"><tbody><row>
-<entry align="char">
-<para>WARNING: This is a very obscure legacy command, used only at stv0299 driver. Should not be used on newer drivers.</para>
-<para>It provides a non-standard method for selecting Diseqc voltage on the frontend, for Dish Network legacy switches.</para>
-<para>As support for this ioctl were added in 2004, this means that such dishes were already legacy in 2004.</para>
-</entry>
-</row></tbody></tgroup></informaltable>
-
-<para>SYNOPSIS</para>
-<informaltable><tgroup cols="1"><tbody><row>
-<entry align="char">
-<para>int ioctl(int fd, int request =
-	<link linkend="FE_DISHNETWORK_SEND_LEGACY_CMD">FE_DISHNETWORK_SEND_LEGACY_CMD</link>, unsigned long cmd);</para>
-</entry>
-</row></tbody></tgroup></informaltable>
-
-<para>PARAMETERS</para>
-<informaltable><tgroup cols="2"><tbody><row>
-<entry align="char">
-	<para>unsigned long cmd</para>
-</entry>
-<entry align="char">
-<para>
-sends the specified raw cmd to the dish via DISEqC.
-</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-&return-value-dvb;
-</section>
-
-</section>

Documentation/DocBook/media/dvb/intro.xml

@@ -1,211 +0,0 @@
-<title>Introduction</title>
-
-<section id="requisites">
-<title>What you need to know</title>
-
-<para>The reader of this document is required to have some knowledge in
-the area of digital video broadcasting (DVB) and should be familiar with
-part I of the MPEG2 specification ISO/IEC 13818 (aka ITU-T H.222), i.e
-you should know what a program/transport stream (PS/TS) is and what is
-meant by a packetized elementary stream (PES) or an I-frame.</para>
-
-<para>Various DVB standards documents are available from
-<ulink url="http://www.dvb.org" /> and/or
-<ulink url="http://www.etsi.org" />.</para>
-
-<para>It is also necessary to know how to access unix/linux devices and
-how to use ioctl calls. This also includes the knowledge of C or C++.
-</para>
-</section>
-
-<section id="history">
-<title>History</title>
-
-<para>The first API for DVB cards we used at Convergence in late 1999
-was an extension of the Video4Linux API which was primarily developed
-for frame grabber cards. As such it was not really well suited to be
-used for DVB cards and their new features like recording MPEG streams
-and filtering several section and PES data streams at the same time.
-</para>
-
-<para>In early 2000, we were approached by Nokia with a proposal for a
-new standard Linux DVB API. As a commitment to the development of
-terminals based on open standards, Nokia and Convergence made it
-available to all Linux developers and published it on
-<ulink url="https://linuxtv.org" /> in September 2000.
-Convergence is the maintainer of the Linux DVB API. Together with the
-LinuxTV community (i.e. you, the reader of this document), the Linux DVB
-API will be constantly reviewed and improved. With the Linux driver for
-the Siemens/Hauppauge DVB PCI card Convergence provides a first
-implementation of the Linux DVB API.</para>
-</section>
-
-<section id="overview">
-<title>Overview</title>
-
-<figure id="stb_components">
-<title>Components of a DVB card/STB</title>
-<mediaobject>
-<imageobject>
-<imagedata fileref="dvbstb.pdf" format="PS" />
-</imageobject>
-<imageobject>
-<imagedata fileref="dvbstb.png" format="PNG" />
-</imageobject>
-</mediaobject>
-</figure>
-
-<para>A DVB PCI card or DVB set-top-box (STB) usually consists of the
-following main hardware components: </para>
-
-<itemizedlist>
- <listitem>
-
-<para>Frontend consisting of tuner and DVB demodulator</para>
-
-<para>Here the raw signal reaches the DVB hardware from a satellite dish
-or antenna or directly from cable. The frontend down-converts and
-demodulates this signal into an MPEG transport stream (TS). In case of a
-satellite frontend, this includes a facility for satellite equipment
-control (SEC), which allows control of LNB polarization, multi feed
-switches or dish rotors.</para>
-
-</listitem>
- <listitem>
-
-<para>Conditional Access (CA) hardware like CI adapters and smartcard slots
-</para>
-
-<para>The complete TS is passed through the CA hardware. Programs to
-which the user has access (controlled by the smart card) are decoded in
-real time and re-inserted into the TS.</para>
-
-</listitem>
- <listitem>
- <para>Demultiplexer which filters the incoming DVB stream</para>
-
-<para>The demultiplexer splits the TS into its components like audio and
-video streams. Besides usually several of such audio and video streams
-it also contains data streams with information about the programs
-offered in this or other streams of the same provider.</para>
-
-</listitem>
-<listitem>
-
-<para>MPEG2 audio and video decoder</para>
-
-<para>The main targets of the demultiplexer are the MPEG2 audio and
-video decoders. After decoding they pass on the uncompressed audio and
-video to the computer screen or (through a PAL/NTSC encoder) to a TV
-set.</para>
-
-
-</listitem>
-</itemizedlist>
-
-<para><xref linkend="stb_components" /> shows a crude schematic of the control and data flow
-between those components.</para>
-
-<para>On a DVB PCI card not all of these have to be present since some
-functionality can be provided by the main CPU of the PC (e.g. MPEG
-picture and sound decoding) or is not needed (e.g. for data-only uses
-like &#8220;internet over satellite&#8221;). Also not every card or STB
-provides conditional access hardware.</para>
-
-</section>
-
-<section id="dvb_devices">
-<title>Linux DVB Devices</title>
-
-<para>The Linux DVB API lets you control these hardware components
-through currently six Unix-style character devices for video, audio,
-frontend, demux, CA and IP-over-DVB networking. The video and audio
-devices control the MPEG2 decoder hardware, the frontend device the
-tuner and the DVB demodulator. The demux device gives you control over
-the PES and section filters of the hardware. If the hardware does not
-support filtering these filters can be implemented in software. Finally,
-the CA device controls all the conditional access capabilities of the
-hardware. It can depend on the individual security requirements of the
-platform, if and how many of the CA functions are made available to the
-application through this device.</para>
-
-<para>All devices can be found in the <constant>/dev</constant>
-tree under <constant>/dev/dvb</constant>. The individual devices
-are called:</para>
-
-<itemizedlist>
-<listitem>
-
-<para><constant>/dev/dvb/adapterN/audioM</constant>,</para>
-</listitem>
-<listitem>
-<para><constant>/dev/dvb/adapterN/videoM</constant>,</para>
-</listitem>
-<listitem>
-<para><constant>/dev/dvb/adapterN/frontendM</constant>,</para>
-</listitem>
- <listitem>
-
-<para><constant>/dev/dvb/adapterN/netM</constant>,</para>
-</listitem>
- <listitem>
-
-<para><constant>/dev/dvb/adapterN/demuxM</constant>,</para>
-</listitem>
- <listitem>
-
-<para><constant>/dev/dvb/adapterN/dvrM</constant>,</para>
-</listitem>
- <listitem>
-
-<para><constant>/dev/dvb/adapterN/caM</constant>,</para></listitem></itemizedlist>
-
-<para>where N enumerates the DVB PCI cards in a system starting
-from&#x00A0;0, and M enumerates the devices of each type within each
-adapter, starting from&#x00A0;0, too. We will omit the &#8220;
-<constant>/dev/dvb/adapterN/</constant>&#8221; in the further discussion
-of these devices.</para>
-
-<para>More details about the data structures and function calls of all
-the devices are described in the following chapters.</para>
-
-</section>
-
-<section id="include_files">
-<title>API include files</title>
-
-<para>For each of the DVB devices a corresponding include file exists.
-The DVB API include files should be included in application sources with
-a partial path like:</para>
-
-<programlisting>
-	#include &#x003C;linux/dvb/audio.h&#x003E;
-</programlisting>
-<programlisting>
-	#include &#x003C;linux/dvb/ca.h&#x003E;
-</programlisting>
-<programlisting>
-	#include &#x003C;linux/dvb/dmx.h&#x003E;
-</programlisting>
-<programlisting>
-	#include &#x003C;linux/dvb/frontend.h&#x003E;
-</programlisting>
-<programlisting>
-	#include &#x003C;linux/dvb/net.h&#x003E;
-</programlisting>
-<programlisting>
-	#include &#x003C;linux/dvb/osd.h&#x003E;
-</programlisting>
-<programlisting>
-	#include &#x003C;linux/dvb/video.h&#x003E;
-</programlisting>
-
-<para>To enable applications to support different API version, an
-additional include file
-<constant>linux/dvb/version.h</constant> exists, which defines the
-constant <constant>DVB_API_VERSION</constant>. This document
-describes <constant>DVB_API_VERSION 5.10</constant>.
-</para>
-
-</section>
-

Documentation/DocBook/media/dvb/net.xml

@@ -1,238 +0,0 @@
-<title>DVB Network API</title>
-<para>The DVB net device controls the mapping of data packages that are
-    part of a transport stream to be mapped into a virtual network interface,
-    visible through the standard Linux network protocol stack.</para>
-<para>Currently, two encapsulations are supported:</para>
-<itemizedlist>
-    <listitem><para><ulink url="http://en.wikipedia.org/wiki/Multiprotocol_Encapsulation">
-	Multi Protocol Encapsulation (MPE)</ulink></para></listitem>
-    <listitem><para><ulink url="http://en.wikipedia.org/wiki/Unidirectional_Lightweight_Encapsulation">
-	Ultra Lightweight Encapsulation (ULE)</ulink></para></listitem>
-</itemizedlist>
-
-<para>In order to create the Linux virtual network interfaces, an application
-    needs to tell to the Kernel what are the PIDs and the encapsulation types
-    that are present on the transport stream. This is done through
-    <constant>/dev/dvb/adapter?/net?</constant> device node.
-    The data will be available via virtual <constant>dvb?_?</constant>
-    network interfaces, and will be controlled/routed via the standard
-    ip tools (like ip, route, netstat, ifconfig, etc).</para>
-<para> Data types and and ioctl definitions are defined via
-    <constant>linux/dvb/net.h</constant> header.</para>
-
-<section id="net_fcalls">
-<title>DVB net Function Calls</title>
-
-
-<refentry id="NET_ADD_IF">
-  <refmeta>
-    <refentrytitle>ioctl NET_ADD_IF</refentrytitle>
-    &manvol;
-  </refmeta>
-
-  <refnamediv>
-    <refname>NET_ADD_IF</refname>
-    <refpurpose>Creates a new network interface for a given Packet ID.</refpurpose>
-  </refnamediv>
-
-  <refsynopsisdiv>
-    <funcsynopsis>
-      <funcprototype>
-	<funcdef>int <function>ioctl</function></funcdef>
-	<paramdef>int <parameter>fd</parameter></paramdef>
-	<paramdef>int <parameter>request</parameter></paramdef>
-	<paramdef>struct dvb_net_if *<parameter>net_if</parameter></paramdef>
-      </funcprototype>
-    </funcsynopsis>
-  </refsynopsisdiv>
-
-  <refsect1>
-    <title>Arguments</title>
-        <variablelist>
-      <varlistentry>
-	<term><parameter>fd</parameter></term>
-	<listitem>
-	  <para>&fe_fd;</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><parameter>request</parameter></term>
-	<listitem>
-	  <para>FE_SET_TONE</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><parameter>net_if</parameter></term>
-	<listitem>
-	  <para>pointer to &dvb-net-if;</para>
-	</listitem>
-      </varlistentry>
-    </variablelist>
-  </refsect1>
-
-  <refsect1>
-    <title>Description</title>
-
-<para>The NET_ADD_IF ioctl system call selects the Packet ID (PID) that
-    contains a TCP/IP traffic, the type of encapsulation to be used (MPE or ULE)
-    and the interface number for the new interface to be created. When the
-    system call successfully returns, a new virtual network interface is  created.</para>
-<para>The &dvb-net-if;::ifnum field will be filled with the number of the
-    created interface.</para>
-
-&return-value-dvb;
-</refsect1>
-
-<refsect1 id="dvb-net-if-t">
-<title>struct <structname>dvb_net_if</structname> description</title>
-
-<table pgwide="1" frame="none" id="dvb-net-if">
-    <title>struct <structname>dvb_net_if</structname></title>
-    <tgroup cols="2">
-	&cs-def;
-	<thead>
-	<row>
-	    <entry>ID</entry>
-	    <entry>Description</entry>
-	</row>
-	</thead>
-	<tbody valign="top">
-	<row>
-	    <entry align="char">pid</entry>
-	    <entry align="char">Packet ID (PID) of the MPEG-TS that contains
-		data</entry>
-	</row><row>
-	    <entry align="char">ifnum</entry>
-	    <entry align="char">number of the DVB interface.</entry>
-	</row><row>
-	    <entry align="char">feedtype</entry>
-	    <entry align="char">Encapsulation type of the feed. It can be:
-		<constant>DVB_NET_FEEDTYPE_MPE</constant> for MPE encoding
-		or
-		<constant>DVB_NET_FEEDTYPE_ULE</constant> for ULE encoding.
-		</entry>
-	</row>
-        </tbody>
-    </tgroup>
-</table>
-</refsect1>
-</refentry>
-
-<refentry id="NET_REMOVE_IF">
-  <refmeta>
-    <refentrytitle>ioctl NET_REMOVE_IF</refentrytitle>
-    &manvol;
-  </refmeta>
-
-  <refnamediv>
-    <refname>NET_REMOVE_IF</refname>
-    <refpurpose>Removes a network interface.</refpurpose>
-  </refnamediv>
-
-  <refsynopsisdiv>
-    <funcsynopsis>
-      <funcprototype>
-	<funcdef>int <function>ioctl</function></funcdef>
-	<paramdef>int <parameter>fd</parameter></paramdef>
-	<paramdef>int <parameter>request</parameter></paramdef>
-	<paramdef>int <parameter>ifnum</parameter></paramdef>
-      </funcprototype>
-    </funcsynopsis>
-  </refsynopsisdiv>
-
-  <refsect1>
-    <title>Arguments</title>
-        <variablelist>
-      <varlistentry>
-	<term><parameter>fd</parameter></term>
-	<listitem>
-	  <para>&fe_fd;</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><parameter>request</parameter></term>
-	<listitem>
-	  <para>FE_SET_TONE</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><parameter>net_if</parameter></term>
-	<listitem>
-	  <para>number of the interface to be removed</para>
-	</listitem>
-      </varlistentry>
-    </variablelist>
-  </refsect1>
-
-  <refsect1>
-    <title>Description</title>
-
-<para>The NET_REMOVE_IF ioctl deletes an interface previously created
-    via &NET-ADD-IF;.</para>
-
-&return-value-dvb;
-</refsect1>
-</refentry>
-
-
-<refentry id="NET_GET_IF">
-  <refmeta>
-    <refentrytitle>ioctl NET_GET_IF</refentrytitle>
-    &manvol;
-  </refmeta>
-
-  <refnamediv>
-    <refname>NET_GET_IF</refname>
-    <refpurpose>Read the configuration data of an interface created via
-	&NET-ADD-IF;.</refpurpose>
-  </refnamediv>
-
-  <refsynopsisdiv>
-    <funcsynopsis>
-      <funcprototype>
-	<funcdef>int <function>ioctl</function></funcdef>
-	<paramdef>int <parameter>fd</parameter></paramdef>
-	<paramdef>int <parameter>request</parameter></paramdef>
-	<paramdef>struct dvb_net_if *<parameter>net_if</parameter></paramdef>
-      </funcprototype>
-    </funcsynopsis>
-  </refsynopsisdiv>
-
-  <refsect1>
-    <title>Arguments</title>
-        <variablelist>
-      <varlistentry>
-	<term><parameter>fd</parameter></term>
-	<listitem>
-	  <para>&fe_fd;</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><parameter>request</parameter></term>
-	<listitem>
-	  <para>FE_SET_TONE</para>
-	</listitem>
-      </varlistentry>
-      <varlistentry>
-	<term><parameter>net_if</parameter></term>
-	<listitem>
-	  <para>pointer to &dvb-net-if;</para>
-	</listitem>
-      </varlistentry>
-    </variablelist>
-  </refsect1>
-
-  <refsect1>
-    <title>Description</title>
-
-<para>The NET_GET_IF ioctl uses the interface number given by the
-    &dvb-net-if;::ifnum field and fills the content of &dvb-net-if; with
-    the packet ID and encapsulation type used on such interface. If the
-    interface was not created yet with &NET-ADD-IF;, it will return -1 and
-    fill the <constant>errno</constant> with <constant>EINVAL</constant>
-    error code.</para>
-
-&return-value-dvb;
-</refsect1>
-</refentry>
-</section>

Documentation/DocBook/media/dvb/video.xml

@@ -1,1968 +0,0 @@
-<title>DVB Video Device</title>
-<para>The DVB video device controls the MPEG2 video decoder of the DVB hardware. It
-can be accessed through <emphasis role="bold">/dev/dvb/adapter0/video0</emphasis>. Data types and and
-ioctl definitions can be accessed by including <emphasis role="bold">linux/dvb/video.h</emphasis> in your
-application.
-</para>
-<para>Note that the DVB video device only controls decoding of the MPEG video stream, not
-its presentation on the TV or computer screen. On PCs this is typically handled by an
-associated video4linux device, e.g. <emphasis role="bold">/dev/video</emphasis>, which allows scaling and defining output
-windows.
-</para>
-<para>Some DVB cards don&#8217;t have their own MPEG decoder, which results in the omission of
-the audio and video device as well as the video4linux device.
-</para>
-<para>The ioctls that deal with SPUs (sub picture units) and navigation packets are only
-supported on some MPEG decoders made for DVD playback.
-</para>
-<para>
-These ioctls were also used by V4L2 to control MPEG decoders implemented in V4L2. The use
-of these ioctls for that purpose has been made obsolete and proper V4L2 ioctls or controls
-have been created to replace that functionality.</para>
-<section id="video_types">
-<title>Video Data Types</title>
-
-<section id="video-format-t">
-<title>video_format_t</title>
-<para>The <constant>video_format_t</constant> data type defined by
-</para>
-<programlisting>
-typedef enum {
-	VIDEO_FORMAT_4_3,     /&#x22C6; Select 4:3 format &#x22C6;/
-	VIDEO_FORMAT_16_9,    /&#x22C6; Select 16:9 format. &#x22C6;/
-	VIDEO_FORMAT_221_1    /&#x22C6; 2.21:1 &#x22C6;/
-} video_format_t;
-</programlisting>
-<para>is used in the VIDEO_SET_FORMAT function (??) to tell the driver which aspect ratio
-the output hardware (e.g. TV) has. It is also used in the data structures video_status
-(??) returned by VIDEO_GET_STATUS (??) and video_event (??) returned by
-VIDEO_GET_EVENT (??) which report about the display format of the current video
-stream.
-</para>
-</section>
-
-<section id="video-displayformat-t">
-<title>video_displayformat_t</title>
-<para>In case the display format of the video stream and of the display hardware differ the
-application has to specify how to handle the cropping of the picture. This can be done using
-the VIDEO_SET_DISPLAY_FORMAT call (??) which accepts
-</para>
-<programlisting>
-typedef enum {
-	VIDEO_PAN_SCAN,       /&#x22C6; use pan and scan format &#x22C6;/
-	VIDEO_LETTER_BOX,     /&#x22C6; use letterbox format &#x22C6;/
-	VIDEO_CENTER_CUT_OUT  /&#x22C6; use center cut out format &#x22C6;/
-} video_displayformat_t;
-</programlisting>
-<para>as argument.
-</para>
-</section>
-
-<section id="video-stream-source-t">
-<title>video_stream_source_t</title>
-<para>The video stream source is set through the VIDEO_SELECT_SOURCE call and can take
-the following values, depending on whether we are replaying from an internal (demuxer) or
-external (user write) source.
-</para>
-<programlisting>
-typedef enum {
-	VIDEO_SOURCE_DEMUX, /&#x22C6; Select the demux as the main source &#x22C6;/
-	VIDEO_SOURCE_MEMORY /&#x22C6; If this source is selected, the stream
-			       comes from the user through the write
-			       system call &#x22C6;/
-} video_stream_source_t;
-</programlisting>
-<para>VIDEO_SOURCE_DEMUX selects the demultiplexer (fed either by the frontend or the
-DVR device) as the source of the video stream. If VIDEO_SOURCE_MEMORY
-is selected the stream comes from the application through the <emphasis role="bold">write()</emphasis> system
-call.
-</para>
-</section>
-
-<section id="video-play-state-t">
-<title>video_play_state_t</title>
-<para>The following values can be returned by the VIDEO_GET_STATUS call representing the
-state of video playback.
-</para>
-<programlisting>
-typedef enum {
-	VIDEO_STOPPED, /&#x22C6; Video is stopped &#x22C6;/
-	VIDEO_PLAYING, /&#x22C6; Video is currently playing &#x22C6;/
-	VIDEO_FREEZED  /&#x22C6; Video is freezed &#x22C6;/
-} video_play_state_t;
-</programlisting>
-</section>
-
-<section id="video-command">
-<title>struct video_command</title>
-<para>The structure must be zeroed before use by the application
-This ensures it can be extended safely in the future.</para>
-<programlisting>
-struct video_command {
-	__u32 cmd;
-	__u32 flags;
-	union {
-		struct {
-			__u64 pts;
-		} stop;
-
-		struct {
-			/&#x22C6; 0 or 1000 specifies normal speed,
-			   1 specifies forward single stepping,
-			   -1 specifies backward single stepping,
-			   &gt;>1: playback at speed/1000 of the normal speed,
-			   &lt;-1: reverse playback at (-speed/1000) of the normal speed. &#x22C6;/
-			__s32 speed;
-			__u32 format;
-		} play;
-
-		struct {
-			__u32 data[16];
-		} raw;
-	};
-};
-</programlisting>
-</section>
-
-<section id="video-size-t">
-<title>video_size_t</title>
-<programlisting>
-typedef struct {
-	int w;
-	int h;
-	video_format_t aspect_ratio;
-} video_size_t;
-</programlisting>
-</section>
-
-
-<section id="video-event">
-<title>struct video_event</title>
-<para>The following is the structure of a video event as it is returned by the VIDEO_GET_EVENT
-call.
-</para>
-<programlisting>
-struct video_event {
-	__s32 type;
-#define VIDEO_EVENT_SIZE_CHANGED	1
-#define VIDEO_EVENT_FRAME_RATE_CHANGED	2
-#define VIDEO_EVENT_DECODER_STOPPED 	3
-#define VIDEO_EVENT_VSYNC 		4
-	__kernel_time_t timestamp;
-	union {
-		video_size_t size;
-		unsigned int frame_rate;	/&#x22C6; in frames per 1000sec &#x22C6;/
-		unsigned char vsync_field;	/&#x22C6; unknown/odd/even/progressive &#x22C6;/
-	} u;
-};
-</programlisting>
-</section>
-
-<section id="video-status">
-<title>struct video_status</title>
-<para>The VIDEO_GET_STATUS call returns the following structure informing about various
-states of the playback operation.
-</para>
-<programlisting>
-struct video_status {
-	int                   video_blank;   /&#x22C6; blank video on freeze? &#x22C6;/
-	video_play_state_t    play_state;    /&#x22C6; current state of playback &#x22C6;/
-	video_stream_source_t stream_source; /&#x22C6; current source (demux/memory) &#x22C6;/
-	video_format_t        video_format;  /&#x22C6; current aspect ratio of stream &#x22C6;/
-	video_displayformat_t display_format;/&#x22C6; selected cropping mode &#x22C6;/
-};
-</programlisting>
-<para>If video_blank is set video will be blanked out if the channel is changed or if playback is
-stopped. Otherwise, the last picture will be displayed. play_state indicates if the video is
-currently frozen, stopped, or being played back. The stream_source corresponds to the seleted
-source for the video stream. It can come either from the demultiplexer or from memory.
-The video_format indicates the aspect ratio (one of 4:3 or 16:9) of the currently
-played video stream. Finally, display_format corresponds to the selected cropping
-mode in case the source video format is not the same as the format of the output
-device.
-</para>
-</section>
-
-<section id="video-still-picture">
-<title>struct video_still_picture</title>
-<para>An I-frame displayed via the VIDEO_STILLPICTURE call is passed on within the
-following structure.
-</para>
-<programlisting>
-/&#x22C6; pointer to and size of a single iframe in memory &#x22C6;/
-struct video_still_picture {
-	char &#x22C6;iFrame;        /&#x22C6; pointer to a single iframe in memory &#x22C6;/
-	int32_t size;
-};
-</programlisting>
-</section>
-
-<section id="video_caps">
-<title>video capabilities</title>
-<para>A call to VIDEO_GET_CAPABILITIES returns an unsigned integer with the following
-bits set according to the hardwares capabilities.
-</para>
-<programlisting>
- /&#x22C6; bit definitions for capabilities: &#x22C6;/
- /&#x22C6; can the hardware decode MPEG1 and/or MPEG2? &#x22C6;/
- #define VIDEO_CAP_MPEG1   1
- #define VIDEO_CAP_MPEG2   2
- /&#x22C6; can you send a system and/or program stream to video device?
-    (you still have to open the video and the audio device but only
-     send the stream to the video device) &#x22C6;/
- #define VIDEO_CAP_SYS     4
- #define VIDEO_CAP_PROG    8
- /&#x22C6; can the driver also handle SPU, NAVI and CSS encoded data?
-    (CSS API is not present yet) &#x22C6;/
- #define VIDEO_CAP_SPU    16
- #define VIDEO_CAP_NAVI   32
- #define VIDEO_CAP_CSS    64
-</programlisting>
-</section>
-
-<section id="video-system">
-<title>video_system_t</title>
-<para>A call to VIDEO_SET_SYSTEM sets the desired video system for TV output. The
-following system types can be set:
-</para>
-<programlisting>
-typedef enum {
-	 VIDEO_SYSTEM_PAL,
-	 VIDEO_SYSTEM_NTSC,
-	 VIDEO_SYSTEM_PALN,
-	 VIDEO_SYSTEM_PALNc,
-	 VIDEO_SYSTEM_PALM,
-	 VIDEO_SYSTEM_NTSC60,
-	 VIDEO_SYSTEM_PAL60,
-	 VIDEO_SYSTEM_PALM60
-} video_system_t;
-</programlisting>
-</section>
-
-<section id="video-highlight">
-<title>struct video_highlight</title>
-<para>Calling the ioctl VIDEO_SET_HIGHLIGHTS posts the SPU highlight information. The
-call expects the following format for that information:
-</para>
-<programlisting>
- typedef
- struct video_highlight {
-	 boolean active;      /&#x22C6;    1=show highlight, 0=hide highlight &#x22C6;/
-	 uint8_t contrast1;   /&#x22C6;    7- 4  Pattern pixel contrast &#x22C6;/
-			      /&#x22C6;    3- 0  Background pixel contrast &#x22C6;/
-	 uint8_t contrast2;   /&#x22C6;    7- 4  Emphasis pixel-2 contrast &#x22C6;/
-			      /&#x22C6;    3- 0  Emphasis pixel-1 contrast &#x22C6;/
-	 uint8_t color1;      /&#x22C6;    7- 4  Pattern pixel color &#x22C6;/
-			      /&#x22C6;    3- 0  Background pixel color &#x22C6;/
-	 uint8_t color2;      /&#x22C6;    7- 4  Emphasis pixel-2 color &#x22C6;/
-			      /&#x22C6;    3- 0  Emphasis pixel-1 color &#x22C6;/
-	 uint32_t ypos;       /&#x22C6;   23-22  auto action mode &#x22C6;/
-			      /&#x22C6;   21-12  start y &#x22C6;/
-			      /&#x22C6;    9- 0  end y &#x22C6;/
-	 uint32_t xpos;       /&#x22C6;   23-22  button color number &#x22C6;/
-			      /&#x22C6;   21-12  start x &#x22C6;/
-			      /&#x22C6;    9- 0  end x &#x22C6;/
- } video_highlight_t;
-</programlisting>
-
-</section>
-<section id="video-spu">
-<title>struct video_spu</title>
-<para>Calling VIDEO_SET_SPU deactivates or activates SPU decoding, according to the
-following format:
-</para>
-<programlisting>
- typedef
- struct video_spu {
-	 boolean active;
-	 int stream_id;
- } video_spu_t;
-</programlisting>
-
-</section>
-<section id="video-spu-palette">
-<title>struct video_spu_palette</title>
-<para>The following structure is used to set the SPU palette by calling VIDEO_SPU_PALETTE:
-</para>
-<programlisting>
- typedef
- struct video_spu_palette {
-	 int length;
-	 uint8_t &#x22C6;palette;
- } video_spu_palette_t;
-</programlisting>
-
-</section>
-<section id="video-navi-pack">
-<title>struct video_navi_pack</title>
-<para>In order to get the navigational data the following structure has to be passed to the ioctl
-VIDEO_GET_NAVI:
-</para>
-<programlisting>
- typedef
- struct video_navi_pack {
-	 int length;         /&#x22C6; 0 ... 1024 &#x22C6;/
-	 uint8_t data[1024];
- } video_navi_pack_t;
-</programlisting>
-</section>
-
-
-<section id="video-attributes-t">
-<title>video_attributes_t</title>
-<para>The following attributes can be set by a call to VIDEO_SET_ATTRIBUTES:
-</para>
-<programlisting>
- typedef uint16_t video_attributes_t;
- /&#x22C6;   bits: descr. &#x22C6;/
- /&#x22C6;   15-14 Video compression mode (0=MPEG-1, 1=MPEG-2) &#x22C6;/
- /&#x22C6;   13-12 TV system (0=525/60, 1=625/50) &#x22C6;/
- /&#x22C6;   11-10 Aspect ratio (0=4:3, 3=16:9) &#x22C6;/
- /&#x22C6;    9- 8 permitted display mode on 4:3 monitor (0=both, 1=only pan-sca &#x22C6;/
- /&#x22C6;    7    line 21-1 data present in GOP (1=yes, 0=no) &#x22C6;/
- /&#x22C6;    6    line 21-2 data present in GOP (1=yes, 0=no) &#x22C6;/
- /&#x22C6;    5- 3 source resolution (0=720x480/576, 1=704x480/576, 2=352x480/57 &#x22C6;/
- /&#x22C6;    2    source letterboxed (1=yes, 0=no) &#x22C6;/
- /&#x22C6;    0    film/camera mode (0=camera, 1=film (625/50 only)) &#x22C6;/
-</programlisting>
-</section></section>
-
-
-<section id="video_function_calls">
-<title>Video Function Calls</title>
-
-
-<section id="video_fopen">
-<title>open()</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This system call opens a named video device (e.g. /dev/dvb/adapter0/video0)
- for subsequent use.</para>
-<para>When an open() call has succeeded, the device will be ready for use.
- The significance of blocking or non-blocking mode is described in the
- documentation for functions where there is a difference. It does not affect the
- semantics of the open() call itself. A device opened in blocking mode can later
- be put into non-blocking mode (and vice versa) using the F_SETFL command
- of the fcntl system call. This is a standard system call, documented in the Linux
- manual page for fcntl. Only one user can open the Video Device in O_RDWR
- mode. All other attempts to open the device in this mode will fail, and an
- error-code will be returned. If the Video Device is opened in O_RDONLY
- mode, the only ioctl call that can be used is VIDEO_GET_STATUS. All other
- call will return an error code.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int open(const char &#x22C6;deviceName, int flags);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>const char
- *deviceName</para>
-</entry><entry
- align="char">
-<para>Name of specific video device.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int flags</para>
-</entry><entry
- align="char">
-<para>A bit-wise OR of the following flags:</para>
-</entry>
- </row><row><entry
- align="char">
-</entry><entry
- align="char">
-<para>O_RDONLY read-only access</para>
-</entry>
- </row><row><entry
- align="char">
-</entry><entry
- align="char">
-<para>O_RDWR read/write access</para>
-</entry>
- </row><row><entry
- align="char">
-</entry><entry
- align="char">
-<para>O_NONBLOCK open in non-blocking mode</para>
-</entry>
- </row><row><entry
- align="char">
-</entry><entry
- align="char">
-<para>(blocking mode is the default)</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>RETURN VALUE</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>ENODEV</para>
-</entry><entry
- align="char">
-<para>Device driver not loaded/available.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>EINTERNAL</para>
-</entry><entry
- align="char">
-<para>Internal error.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>EBUSY</para>
-</entry><entry
- align="char">
-<para>Device or resource busy.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>EINVAL</para>
-</entry><entry
- align="char">
-<para>Invalid argument.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-</section>
-<section id="video_fclose">
-<title>close()</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This system call closes a previously opened video device.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int close(int fd);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>RETURN VALUE</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>EBADF</para>
-</entry><entry
- align="char">
-<para>fd is not a valid open file descriptor.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-</section>
-<section id="video_fwrite">
-<title>write()</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This system call can only be used if VIDEO_SOURCE_MEMORY is selected
- in the ioctl call VIDEO_SELECT_SOURCE. The data provided shall be in
- PES format, unless the capability allows other formats. If O_NONBLOCK is
- not specified the function will block until buffer space is available. The amount
- of data to be transferred is implied by count.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>size_t write(int fd, const void &#x22C6;buf, size_t count);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>void *buf</para>
-</entry><entry
- align="char">
-<para>Pointer to the buffer containing the PES data.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>size_t count</para>
-</entry><entry
- align="char">
-<para>Size of buf.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>RETURN VALUE</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>EPERM</para>
-</entry><entry
- align="char">
-<para>Mode VIDEO_SOURCE_MEMORY not selected.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>ENOMEM</para>
-</entry><entry
- align="char">
-<para>Attempted to write more data than the internal buffer can
- hold.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>EBADF</para>
-</entry><entry
- align="char">
-<para>fd is not a valid open file descriptor.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-</section><section id="VIDEO_STOP"
-role="subsection"><title>VIDEO_STOP</title>
-<para>DESCRIPTION
-</para>
-<para>This ioctl is for DVB devices only. To control a V4L2 decoder use the V4L2
-&VIDIOC-DECODER-CMD; instead.</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call asks the Video Device to stop playing the current stream.
- Depending on the input parameter, the screen can be blanked out or displaying
- the last decoded frame.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(fd, int request = VIDEO_STOP, boolean
- mode);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals VIDEO_STOP for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>Boolean mode</para>
-</entry><entry
- align="char">
-<para>Indicates how the screen shall be handled.</para>
-</entry>
- </row><row><entry
- align="char">
-</entry><entry
- align="char">
-<para>TRUE: Blank screen when stop.</para>
-</entry>
- </row><row><entry
- align="char">
-</entry><entry
- align="char">
-<para>FALSE: Show last decoded frame.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="VIDEO_PLAY"
-role="subsection"><title>VIDEO_PLAY</title>
-<para>DESCRIPTION
-</para>
-<para>This ioctl is for DVB devices only. To control a V4L2 decoder use the V4L2
-&VIDIOC-DECODER-CMD; instead.</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call asks the Video Device to start playing a video stream from the
- selected source.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(fd, int request = VIDEO_PLAY);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals VIDEO_PLAY for this command.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="VIDEO_FREEZE"
-role="subsection"><title>VIDEO_FREEZE</title>
-<para>DESCRIPTION
-</para>
-<para>This ioctl is for DVB devices only. To control a V4L2 decoder use the V4L2
-&VIDIOC-DECODER-CMD; instead.</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call suspends the live video stream being played. Decoding
- and playing are frozen. It is then possible to restart the decoding
- and playing process of the video stream using the VIDEO_CONTINUE
- command. If VIDEO_SOURCE_MEMORY is selected in the ioctl call
- VIDEO_SELECT_SOURCE, the DVB subsystem will not decode any more
- data until the ioctl call VIDEO_CONTINUE or VIDEO_PLAY is performed.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(fd, int request = VIDEO_FREEZE);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals VIDEO_FREEZE for this command.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="VIDEO_CONTINUE"
-role="subsection"><title>VIDEO_CONTINUE</title>
-<para>DESCRIPTION
-</para>
-<para>This ioctl is for DVB devices only. To control a V4L2 decoder use the V4L2
-&VIDIOC-DECODER-CMD; instead.</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call restarts decoding and playing processes of the video stream
- which was played before a call to VIDEO_FREEZE was made.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(fd, int request = VIDEO_CONTINUE);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals VIDEO_CONTINUE for this command.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="VIDEO_SELECT_SOURCE"
-role="subsection"><title>VIDEO_SELECT_SOURCE</title>
-<para>DESCRIPTION
-</para>
-<para>This ioctl is for DVB devices only. This ioctl was also supported by the
-V4L2 ivtv driver, but that has been replaced by the ivtv-specific
-<constant>IVTV_IOC_PASSTHROUGH_MODE</constant> ioctl.</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call informs the video device which source shall be used for the input
- data. The possible sources are demux or memory. If memory is selected, the
- data is fed to the video device through the write command.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(fd, int request = VIDEO_SELECT_SOURCE,
- video_stream_source_t source);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals VIDEO_SELECT_SOURCE for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>video_stream_source_t
- source</para>
-</entry><entry
- align="char">
-<para>Indicates which source shall be used for the Video stream.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="VIDEO_SET_BLANK"
-role="subsection"><title>VIDEO_SET_BLANK</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call asks the Video Device to blank out the picture.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(fd, int request = VIDEO_SET_BLANK, boolean
- mode);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals VIDEO_SET_BLANK for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>boolean mode</para>
-</entry><entry
- align="char">
-<para>TRUE: Blank screen when stop.</para>
-</entry>
- </row><row><entry
- align="char">
-</entry><entry
- align="char">
-<para>FALSE: Show last decoded frame.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="VIDEO_GET_STATUS"
-role="subsection"><title>VIDEO_GET_STATUS</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call asks the Video Device to return the current status of the device.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para> int ioctl(fd, int request = VIDEO_GET_STATUS, struct
- video_status &#x22C6;status);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals VIDEO_GET_STATUS for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>struct video_status
- *status</para>
-</entry><entry
- align="char">
-<para>Returns the current status of the Video Device.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="VIDEO_GET_FRAME_COUNT"
-role="subsection"><title>VIDEO_GET_FRAME_COUNT</title>
-<para>DESCRIPTION
-</para>
-<para>This ioctl is obsolete. Do not use in new drivers. For V4L2 decoders this
-ioctl has been replaced by the <constant>V4L2_CID_MPEG_VIDEO_DEC_FRAME</constant> control.</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call asks the Video Device to return the number of displayed frames
-since the decoder was started.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(int fd, int request =
- VIDEO_GET_FRAME_COUNT, __u64 *pts);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals VIDEO_GET_FRAME_COUNT for this
- command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>__u64 *pts
-</para>
-</entry><entry
- align="char">
-<para>Returns the number of frames displayed since the decoder was started.
-</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="VIDEO_GET_PTS"
-role="subsection"><title>VIDEO_GET_PTS</title>
-<para>DESCRIPTION
-</para>
-<para>This ioctl is obsolete. Do not use in new drivers. For V4L2 decoders this
-ioctl has been replaced by the <constant>V4L2_CID_MPEG_VIDEO_DEC_PTS</constant> control.</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call asks the Video Device to return the current PTS timestamp.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(int fd, int request =
- VIDEO_GET_PTS, __u64 *pts);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals VIDEO_GET_PTS for this
- command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>__u64 *pts
-</para>
-</entry><entry
- align="char">
-<para>Returns the 33-bit timestamp as defined in ITU T-REC-H.222.0 / ISO/IEC 13818-1.
-</para>
-<para>
-The PTS should belong to the currently played
-frame if possible, but may also be a value close to it
-like the PTS of the last decoded frame or the last PTS
-extracted by the PES parser.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="VIDEO_GET_FRAME_RATE"
-role="subsection"><title>VIDEO_GET_FRAME_RATE</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call asks the Video Device to return the current framerate.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(int fd, int request =
- VIDEO_GET_FRAME_RATE, unsigned int *rate);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals VIDEO_GET_FRAME_RATE for this
- command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>unsigned int *rate
-</para>
-</entry><entry
- align="char">
-<para>Returns the framerate in number of frames per 1000 seconds.
-</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="VIDEO_GET_EVENT"
-role="subsection"><title>VIDEO_GET_EVENT</title>
-<para>DESCRIPTION
-</para>
-<para>This ioctl is for DVB devices only. To get events from a V4L2 decoder use the V4L2
-&VIDIOC-DQEVENT; ioctl instead.</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call returns an event of type video_event if available. If an event is
- not available, the behavior depends on whether the device is in blocking or
- non-blocking mode. In the latter case, the call fails immediately with errno
- set to EWOULDBLOCK. In the former case, the call blocks until an event
- becomes available. The standard Linux poll() and/or select() system calls can
- be used with the device file descriptor to watch for new events. For select(),
- the file descriptor should be included in the exceptfds argument, and for
- poll(), POLLPRI should be specified as the wake-up condition. Read-only
- permissions are sufficient for this ioctl call.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para> int ioctl(fd, int request = VIDEO_GET_EVENT, struct
- video_event &#x22C6;ev);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals VIDEO_GET_EVENT for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>struct video_event
- *ev</para>
-</entry><entry
- align="char">
-<para>Points to the location where the event, if any, is to be
- stored.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>EWOULDBLOCK</para>
-</entry><entry
- align="char">
-<para>There is no event pending, and the device is in
- non-blocking mode.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>EOVERFLOW</para>
-</entry><entry
- align="char">
-<para>Overflow in event queue - one or more events were lost.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-</section><section id="VIDEO_COMMAND"
-role="subsection"><title>VIDEO_COMMAND</title>
-<para>DESCRIPTION
-</para>
-<para>This ioctl is obsolete. Do not use in new drivers. For V4L2 decoders this
-ioctl has been replaced by the &VIDIOC-DECODER-CMD; ioctl.</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl commands the decoder. The <constant>video_command</constant> struct
-is a subset of the <constant>v4l2_decoder_cmd</constant> struct, so refer to the
-&VIDIOC-DECODER-CMD; documentation for more information.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(int fd, int request =
- VIDEO_COMMAND, struct video_command *cmd);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals VIDEO_COMMAND for this
- command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>struct video_command *cmd
-</para>
-</entry><entry
- align="char">
-<para>Commands the decoder.
-</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="VIDEO_TRY_COMMAND"
-role="subsection"><title>VIDEO_TRY_COMMAND</title>
-<para>DESCRIPTION
-</para>
-<para>This ioctl is obsolete. Do not use in new drivers. For V4L2 decoders this
-ioctl has been replaced by the &VIDIOC-TRY-DECODER-CMD; ioctl.</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl tries a decoder command. The <constant>video_command</constant> struct
-is a subset of the <constant>v4l2_decoder_cmd</constant> struct, so refer to the
-&VIDIOC-TRY-DECODER-CMD; documentation for more information.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(int fd, int request =
- VIDEO_TRY_COMMAND, struct video_command *cmd);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals VIDEO_TRY_COMMAND for this
- command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>struct video_command *cmd
-</para>
-</entry><entry
- align="char">
-<para>Try a decoder command.
-</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="VIDEO_GET_SIZE"
-role="subsection"><title>VIDEO_GET_SIZE</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl returns the size and aspect ratio.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(int fd, int request =
- VIDEO_GET_SIZE, video_size_t *size);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals VIDEO_GET_SIZE for this
- command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>video_size_t *size
-</para>
-</entry><entry
- align="char">
-<para>Returns the size and aspect ratio.
-</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="VIDEO_SET_DISPLAY_FORMAT"
-role="subsection"><title>VIDEO_SET_DISPLAY_FORMAT</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call asks the Video Device to select the video format to be applied
- by the MPEG chip on the video.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para> int ioctl(fd, int request =
- VIDEO_SET_DISPLAY_FORMAT, video_display_format_t
- format);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals VIDEO_SET_DISPLAY_FORMAT for this
- command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>video_display_format_t
- format</para>
-</entry><entry
- align="char">
-<para>Selects the video format to be used.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="VIDEO_STILLPICTURE"
-role="subsection"><title>VIDEO_STILLPICTURE</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call asks the Video Device to display a still picture (I-frame). The
- input data shall contain an I-frame. If the pointer is NULL, then the current
- displayed still picture is blanked.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(fd, int request = VIDEO_STILLPICTURE,
- struct video_still_picture &#x22C6;sp);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals VIDEO_STILLPICTURE for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>struct
- video_still_picture
- *sp</para>
-</entry><entry
- align="char">
-<para>Pointer to a location where an I-frame and size is stored.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="VIDEO_FAST_FORWARD"
-role="subsection"><title>VIDEO_FAST_FORWARD</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call asks the Video Device to skip decoding of N number of I-frames.
- This call can only be used if VIDEO_SOURCE_MEMORY is selected.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(fd, int request = VIDEO_FAST_FORWARD, int
- nFrames);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals VIDEO_FAST_FORWARD for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int nFrames</para>
-</entry><entry
- align="char">
-<para>The number of frames to skip.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>EPERM</para>
-</entry><entry
- align="char">
-<para>Mode VIDEO_SOURCE_MEMORY not selected.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-</section><section id="VIDEO_SLOWMOTION"
-role="subsection"><title>VIDEO_SLOWMOTION</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call asks the video device to repeat decoding frames N number of
- times. This call can only be used if VIDEO_SOURCE_MEMORY is selected.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(fd, int request = VIDEO_SLOWMOTION, int
- nFrames);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals VIDEO_SLOWMOTION for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int nFrames</para>
-</entry><entry
- align="char">
-<para>The number of times to repeat each frame.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>EPERM</para>
-</entry><entry
- align="char">
-<para>Mode VIDEO_SOURCE_MEMORY not selected.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-</section><section id="VIDEO_GET_CAPABILITIES"
-role="subsection"><title>VIDEO_GET_CAPABILITIES</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call asks the video device about its decoding capabilities. On success
- it returns and integer which has bits set according to the defines in section ??.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(fd, int request = VIDEO_GET_CAPABILITIES,
- unsigned int &#x22C6;cap);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals VIDEO_GET_CAPABILITIES for this
- command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>unsigned int *cap</para>
-</entry><entry
- align="char">
-<para>Pointer to a location where to store the capability
- information.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="VIDEO_SET_ID"
-role="subsection"><title>VIDEO_SET_ID</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl selects which sub-stream is to be decoded if a program or system
- stream is sent to the video device.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(int fd, int request = VIDEO_SET_ID, int
- id);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals VIDEO_SET_ID for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int id</para>
-</entry><entry
- align="char">
-<para>video sub-stream id</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>EINVAL</para>
-</entry><entry
- align="char">
-<para>Invalid sub-stream id.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-</section><section id="VIDEO_CLEAR_BUFFER"
-role="subsection"><title>VIDEO_CLEAR_BUFFER</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl call clears all video buffers in the driver and in the decoder hardware.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(fd, int request = VIDEO_CLEAR_BUFFER);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals VIDEO_CLEAR_BUFFER for this command.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="VIDEO_SET_STREAMTYPE"
-role="subsection"><title>VIDEO_SET_STREAMTYPE</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl tells the driver which kind of stream to expect being written to it. If
- this call is not used the default of video PES is used. Some drivers might not
- support this call and always expect PES.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>int ioctl(fd, int request = VIDEO_SET_STREAMTYPE,
- int type);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals VIDEO_SET_STREAMTYPE for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int type</para>
-</entry><entry
- align="char">
-<para>stream type</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="VIDEO_SET_FORMAT"
-role="subsection"><title>VIDEO_SET_FORMAT</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl sets the screen format (aspect ratio) of the connected output device
- (TV) so that the output of the decoder can be adjusted accordingly.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para> int ioctl(fd, int request = VIDEO_SET_FORMAT,
- video_format_t format);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals VIDEO_SET_FORMAT for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>video_format_t
- format</para>
-</entry><entry
- align="char">
-<para>video format of TV as defined in section ??.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>EINVAL</para>
-</entry><entry
- align="char">
-<para>format is not a valid video format.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-</section><section id="VIDEO_SET_SYSTEM"
-role="subsection"><title>VIDEO_SET_SYSTEM</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl sets the television output format. The format (see section ??) may
- vary from the color format of the displayed MPEG stream. If the hardware is
- not able to display the requested format the call will return an error.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para> int ioctl(fd, int request = VIDEO_SET_SYSTEM ,
- video_system_t system);</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals VIDEO_SET_FORMAT for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>video_system_t
- system</para>
-</entry><entry
- align="char">
-<para>video system of TV output.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>EINVAL</para>
-</entry><entry
- align="char">
-<para>system is not a valid or supported video system.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-</section><section id="VIDEO_SET_HIGHLIGHT"
-role="subsection"><title>VIDEO_SET_HIGHLIGHT</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl sets the SPU highlight information for the menu access of a DVD.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para> int ioctl(fd, int request = VIDEO_SET_HIGHLIGHT
- ,video_highlight_t &#x22C6;vhilite)</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals VIDEO_SET_HIGHLIGHT for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>video_highlight_t
- *vhilite</para>
-</entry><entry
- align="char">
-<para>SPU Highlight information according to section ??.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-
-</section><section id="VIDEO_SET_SPU"
-role="subsection"><title>VIDEO_SET_SPU</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl activates or deactivates SPU decoding in a DVD input stream. It can
- only be used, if the driver is able to handle a DVD stream.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para> int ioctl(fd, int request = VIDEO_SET_SPU ,
- video_spu_t &#x22C6;spu)</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals VIDEO_SET_SPU for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>video_spu_t *spu</para>
-</entry><entry
- align="char">
-<para>SPU decoding (de)activation and subid setting according
- to section ??.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>EINVAL</para>
-</entry><entry
- align="char">
-<para>input is not a valid spu setting or driver cannot handle
- SPU.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-</section><section id="VIDEO_SET_SPU_PALETTE"
-role="subsection"><title>VIDEO_SET_SPU_PALETTE</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl sets the SPU color palette.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para> int ioctl(fd, int request = VIDEO_SET_SPU_PALETTE
- ,video_spu_palette_t &#x22C6;palette )</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals VIDEO_SET_SPU_PALETTE for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>video_spu_palette_t
- *palette</para>
-</entry><entry
- align="char">
-<para>SPU palette according to section ??.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>EINVAL</para>
-</entry><entry
- align="char">
-<para>input is not a valid palette or driver doesn&#8217;t handle SPU.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-</section><section id="VIDEO_GET_NAVI"
-role="subsection"><title>VIDEO_GET_NAVI</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl returns navigational information from the DVD stream. This is
- especially needed if an encoded stream has to be decoded by the hardware.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para> int ioctl(fd, int request = VIDEO_GET_NAVI ,
- video_navi_pack_t &#x22C6;navipack)</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals VIDEO_GET_NAVI for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>video_navi_pack_t
- *navipack</para>
-</entry><entry
- align="char">
-<para>PCI or DSI pack (private stream 2) according to section
- ??.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>EFAULT</para>
-</entry><entry
- align="char">
-<para>driver is not able to return navigational information</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-
-</section><section id="VIDEO_SET_ATTRIBUTES"
-role="subsection"><title>VIDEO_SET_ATTRIBUTES</title>
-<para>DESCRIPTION
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para>This ioctl is intended for DVD playback and allows you to set certain
- information about the stream. Some hardware may not need this information,
- but the call also tells the hardware to prepare for DVD playback.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>SYNOPSIS
-</para>
-<informaltable><tgroup cols="1"><tbody><row><entry
- align="char">
-<para> int ioctl(fd, int request = VIDEO_SET_ATTRIBUTE
- ,video_attributes_t vattr)</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-<para>PARAMETERS
-</para>
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>int fd</para>
-</entry><entry
- align="char">
-<para>File descriptor returned by a previous call to open().</para>
-</entry>
- </row><row><entry
- align="char">
-<para>int request</para>
-</entry><entry
- align="char">
-<para>Equals VIDEO_SET_ATTRIBUTE for this command.</para>
-</entry>
- </row><row><entry
- align="char">
-<para>video_attributes_t
- vattr</para>
-</entry><entry
- align="char">
-<para>video attributes according to section ??.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
-&return-value-dvb;
-<informaltable><tgroup cols="2"><tbody><row><entry
- align="char">
-<para>EINVAL</para>
-</entry><entry
- align="char">
-<para>input is not a valid attribute setting.</para>
-</entry>
- </row></tbody></tgroup></informaltable>
- </section></section>

Documentation/DocBook/media/dvbstb.png.b64

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Documentation/DocBook/media/v4l/.gitignore

@@ -1 +0,0 @@
-!*.xml

Documentation/DocBook/media/v4l/biblio.xml

@@ -1,371 +0,0 @@
-  <bibliography>
-    <title>References</title>
-
-    <biblioentry id="cea608">
-      <abbrev>CEA&nbsp;608-E</abbrev>
-      <authorgroup>
-	<corpauthor>Consumer Electronics Association (<ulink
-url="http://www.ce.org">http://www.ce.org</ulink>)</corpauthor>
-      </authorgroup>
-      <title>CEA-608-E R-2014 "Line 21 Data Services"</title>
-    </biblioentry>
-
-    <biblioentry id="en300294">
-      <abbrev>EN&nbsp;300&nbsp;294</abbrev>
-      <authorgroup>
-	<corpauthor>European Telecommunication Standards Institute
-(<ulink url="http://www.etsi.org">http://www.etsi.org</ulink>)</corpauthor>
-      </authorgroup>
-      <title>EN 300 294 "625-line television Wide Screen Signalling
-(WSS)"</title>
-    </biblioentry>
-
-    <biblioentry id="ets300231">
-      <abbrev>ETS&nbsp;300&nbsp;231</abbrev>
-      <authorgroup>
-	<corpauthor>European Telecommunication Standards Institute
-(<ulink
-url="http://www.etsi.org">http://www.etsi.org</ulink>)</corpauthor>
-      </authorgroup>
-      <title>ETS 300 231 "Specification of the domestic video
-Programme Delivery Control system (PDC)"</title>
-    </biblioentry>
-
-    <biblioentry id="ets300706">
-      <abbrev>ETS&nbsp;300&nbsp;706</abbrev>
-      <authorgroup>
-	<corpauthor>European Telecommunication Standards Institute
-(<ulink url="http://www.etsi.org">http://www.etsi.org</ulink>)</corpauthor>
-      </authorgroup>
-      <title>ETS 300 706 "Enhanced Teletext specification"</title>
-    </biblioentry>
-
-    <biblioentry id="mpeg2part1">
-      <abbrev>ISO&nbsp;13818-1</abbrev>
-      <authorgroup>
-	<corpauthor>International Telecommunication Union (<ulink
-url="http://www.itu.ch">http://www.itu.ch</ulink>), International
-Organisation for Standardisation (<ulink
-url="http://www.iso.ch">http://www.iso.ch</ulink>)</corpauthor>
-      </authorgroup>
-      <title>ITU-T Rec. H.222.0 | ISO/IEC 13818-1 "Information
-technology &mdash; Generic coding of moving pictures and associated
-audio information: Systems"</title>
-    </biblioentry>
-
-    <biblioentry id="mpeg2part2">
-      <abbrev>ISO&nbsp;13818-2</abbrev>
-      <authorgroup>
-	<corpauthor>International Telecommunication Union (<ulink
-url="http://www.itu.ch">http://www.itu.ch</ulink>), International
-Organisation for Standardisation (<ulink
-url="http://www.iso.ch">http://www.iso.ch</ulink>)</corpauthor>
-      </authorgroup>
-      <title>ITU-T Rec. H.262 | ISO/IEC 13818-2 "Information
-technology &mdash; Generic coding of moving pictures and associated
-audio information: Video"</title>
-    </biblioentry>
-
-    <biblioentry id="itu470">
-      <abbrev>ITU&nbsp;BT.470</abbrev>
-      <authorgroup>
-	<corpauthor>International Telecommunication Union (<ulink
-url="http://www.itu.ch">http://www.itu.ch</ulink>)</corpauthor>
-      </authorgroup>
-      <title>ITU-R Recommendation BT.470-6 "Conventional Television
-Systems"</title>
-    </biblioentry>
-
-    <biblioentry id="itu601">
-      <abbrev>ITU&nbsp;BT.601</abbrev>
-      <authorgroup>
-	<corpauthor>International Telecommunication Union (<ulink
-url="http://www.itu.ch">http://www.itu.ch</ulink>)</corpauthor>
-      </authorgroup>
-      <title>ITU-R Recommendation BT.601-5 "Studio Encoding Parameters
-of Digital Television for Standard 4:3 and Wide-Screen 16:9 Aspect
-Ratios"</title>
-    </biblioentry>
-
-    <biblioentry id="itu653">
-      <abbrev>ITU&nbsp;BT.653</abbrev>
-      <authorgroup>
-	<corpauthor>International Telecommunication Union (<ulink
-url="http://www.itu.ch">http://www.itu.ch</ulink>)</corpauthor>
-      </authorgroup>
-      <title>ITU-R Recommendation BT.653-3 "Teletext systems"</title>
-    </biblioentry>
-
-    <biblioentry id="itu709">
-      <abbrev>ITU&nbsp;BT.709</abbrev>
-      <authorgroup>
-	<corpauthor>International Telecommunication Union (<ulink
-url="http://www.itu.ch">http://www.itu.ch</ulink>)</corpauthor>
-      </authorgroup>
-      <title>ITU-R Recommendation BT.709-5 "Parameter values for the
-HDTV standards for production and international programme
-exchange"</title>
-    </biblioentry>
-
-    <biblioentry id="itu1119">
-      <abbrev>ITU&nbsp;BT.1119</abbrev>
-      <authorgroup>
-	<corpauthor>International Telecommunication Union (<ulink
-url="http://www.itu.ch">http://www.itu.ch</ulink>)</corpauthor>
-      </authorgroup>
-      <title>ITU-R Recommendation BT.1119 "625-line
-television Wide Screen Signalling (WSS)"</title>
-    </biblioentry>
-
-    <biblioentry id="jfif">
-      <abbrev>JFIF</abbrev>
-      <authorgroup>
-	<corpauthor>Independent JPEG Group (<ulink
-url="http://www.ijg.org">http://www.ijg.org</ulink>)</corpauthor>
-      </authorgroup>
-      <title>JPEG File Interchange Format</title>
-      <subtitle>Version 1.02</subtitle>
-    </biblioentry>
-
-    <biblioentry id="itu-t81">
-      <abbrev>ITU-T.81</abbrev>
-      <authorgroup>
-	<corpauthor>International Telecommunication Union
-(<ulink url="http://www.itu.int">http://www.itu.int</ulink>)</corpauthor>
-      </authorgroup>
-      <title>ITU-T Recommendation T.81
-"Information Technology &mdash; Digital Compression and Coding of Continous-Tone
-Still Images &mdash; Requirements and Guidelines"</title>
-    </biblioentry>
-
-    <biblioentry id="w3c-jpeg-jfif">
-      <abbrev>W3C JPEG JFIF</abbrev>
-      <authorgroup>
-	<corpauthor>The World Wide Web Consortium (<ulink
-url="http://www.w3.org/Graphics/JPEG">http://www.w3.org</ulink>)</corpauthor>
-      </authorgroup>
-      <title>JPEG JFIF</title>
-    </biblioentry>
-
-    <biblioentry id="smpte12m">
-      <abbrev>SMPTE&nbsp;12M</abbrev>
-      <authorgroup>
-	<corpauthor>Society of Motion Picture and Television Engineers
-(<ulink url="http://www.smpte.org">http://www.smpte.org</ulink>)</corpauthor>
-      </authorgroup>
-      <title>SMPTE 12M-1999 "Television, Audio and Film - Time and
-Control Code"</title>
-    </biblioentry>
-
-    <biblioentry id="smpte170m">
-      <abbrev>SMPTE&nbsp;170M</abbrev>
-      <authorgroup>
-	<corpauthor>Society of Motion Picture and Television Engineers
-(<ulink url="http://www.smpte.org">http://www.smpte.org</ulink>)</corpauthor>
-      </authorgroup>
-      <title>SMPTE 170M-1999 "Television - Composite Analog Video
-Signal - NTSC for Studio Applications"</title>
-    </biblioentry>
-
-    <biblioentry id="smpte240m">
-      <abbrev>SMPTE&nbsp;240M</abbrev>
-      <authorgroup>
-	<corpauthor>Society of Motion Picture and Television Engineers
-(<ulink url="http://www.smpte.org">http://www.smpte.org</ulink>)</corpauthor>
-      </authorgroup>
-      <title>SMPTE 240M-1999 "Television - Signal Parameters -
-1125-Line High-Definition Production"</title>
-    </biblioentry>
-
-    <biblioentry id="smpte431">
-      <abbrev>SMPTE&nbsp;RP&nbsp;431-2</abbrev>
-      <authorgroup>
-	<corpauthor>Society of Motion Picture and Television Engineers
-(<ulink url="http://www.smpte.org">http://www.smpte.org</ulink>)</corpauthor>
-      </authorgroup>
-      <title>SMPTE RP 431-2:2011 "D-Cinema Quality - Reference Projector and Environment"</title>
-    </biblioentry>
-
-    <biblioentry id="smpte2084">
-      <abbrev>SMPTE&nbsp;ST&nbsp;2084</abbrev>
-      <authorgroup>
-	<corpauthor>Society of Motion Picture and Television Engineers
-(<ulink url="http://www.smpte.org">http://www.smpte.org</ulink>)</corpauthor>
-      </authorgroup>
-      <title>SMPTE ST 2084:2014 "High Dynamic Range Electro-Optical Transfer Function of Master Reference Displays"</title>
-    </biblioentry>
-
-    <biblioentry id="srgb">
-      <abbrev>sRGB</abbrev>
-      <authorgroup>
-	<corpauthor>International Electrotechnical Commission
-(<ulink url="http://www.iec.ch">http://www.iec.ch</ulink>)</corpauthor>
-      </authorgroup>
-      <title>IEC 61966-2-1 ed1.0 "Multimedia systems and equipment - Colour measurement
-and management - Part 2-1: Colour management - Default RGB colour space - sRGB"</title>
-    </biblioentry>
-
-    <biblioentry id="sycc">
-      <abbrev>sYCC</abbrev>
-      <authorgroup>
-	<corpauthor>International Electrotechnical Commission
-(<ulink url="http://www.iec.ch">http://www.iec.ch</ulink>)</corpauthor>
-      </authorgroup>
-      <title>IEC 61966-2-1-am1 ed1.0 "Amendment 1 - Multimedia systems and equipment - Colour measurement
-and management - Part 2-1: Colour management - Default RGB colour space - sRGB"</title>
-    </biblioentry>
-
-    <biblioentry id="xvycc">
-      <abbrev>xvYCC</abbrev>
-      <authorgroup>
-	<corpauthor>International Electrotechnical Commission
-(<ulink url="http://www.iec.ch">http://www.iec.ch</ulink>)</corpauthor>
-      </authorgroup>
-      <title>IEC 61966-2-4 ed1.0 "Multimedia systems and equipment - Colour measurement
-and management - Part 2-4: Colour management - Extended-gamut YCC colour space for video
-applications - xvYCC"</title>
-    </biblioentry>
-
-    <biblioentry id="adobergb">
-      <abbrev>AdobeRGB</abbrev>
-      <authorgroup>
-	<corpauthor>Adobe Systems Incorporated (<ulink url="http://www.adobe.com">http://www.adobe.com</ulink>)</corpauthor>
-      </authorgroup>
-      <title>Adobe&copy; RGB (1998) Color Image Encoding Version 2005-05</title>
-    </biblioentry>
-
-    <biblioentry id="oprgb">
-      <abbrev>opRGB</abbrev>
-      <authorgroup>
-	<corpauthor>International Electrotechnical Commission
-(<ulink url="http://www.iec.ch">http://www.iec.ch</ulink>)</corpauthor>
-      </authorgroup>
-      <title>IEC 61966-2-5 "Multimedia systems and equipment - Colour measurement
-and management - Part 2-5: Colour management - Optional RGB colour space - opRGB"</title>
-    </biblioentry>
-
-    <biblioentry id="itu2020">
-      <abbrev>ITU&nbsp;BT.2020</abbrev>
-      <authorgroup>
-	<corpauthor>International Telecommunication Union (<ulink
-url="http://www.itu.ch">http://www.itu.ch</ulink>)</corpauthor>
-      </authorgroup>
-      <title>ITU-R Recommendation BT.2020 (08/2012) "Parameter values for ultra-high
-definition television systems for production and international programme exchange"
-</title>
-    </biblioentry>
-
-    <biblioentry id="tech3213">
-      <abbrev>EBU&nbsp;Tech&nbsp;3213</abbrev>
-      <authorgroup>
-	<corpauthor>European Broadcast Union (<ulink
-url="http://www.ebu.ch">http://www.ebu.ch</ulink>)</corpauthor>
-      </authorgroup>
-      <title>E.B.U. Standard for Chromaticity Tolerances for Studio Monitors"</title>
-    </biblioentry>
-
-    <biblioentry id="iec62106">
-      <abbrev>IEC&nbsp;62106</abbrev>
-      <authorgroup>
-	<corpauthor>International Electrotechnical Commission
-(<ulink url="http://www.iec.ch">http://www.iec.ch</ulink>)</corpauthor>
-      </authorgroup>
-      <title>Specification of the radio data system (RDS) for VHF/FM sound broadcasting
-in the frequency range from 87,5 to 108,0 MHz</title>
-    </biblioentry>
-
-    <biblioentry id="nrsc4">
-      <abbrev>NRSC-4-B</abbrev>
-      <authorgroup>
-	<corpauthor>National Radio Systems Committee
-(<ulink url="http://www.nrscstandards.org">http://www.nrscstandards.org</ulink>)</corpauthor>
-      </authorgroup>
-      <title>NRSC-4-B: United States RBDS Standard</title>
-    </biblioentry>
-
-    <biblioentry id="iso12232">
-      <abbrev>ISO&nbsp;12232:2006</abbrev>
-      <authorgroup>
-	<corpauthor>International Organization for Standardization
-(<ulink url="http://www.iso.org">http://www.iso.org</ulink>)</corpauthor>
-      </authorgroup>
-      <title>Photography &mdash; Digital still cameras &mdash; Determination
-      of exposure index, ISO speed ratings, standard output sensitivity, and
-      recommended exposure index</title>
-    </biblioentry>
-
-    <biblioentry id="cea861">
-      <abbrev>CEA-861-E</abbrev>
-      <authorgroup>
-	<corpauthor>Consumer Electronics Association
-(<ulink url="http://www.ce.org">http://www.ce.org</ulink>)</corpauthor>
-      </authorgroup>
-      <title>A DTV Profile for Uncompressed High Speed Digital Interfaces</title>
-    </biblioentry>
-
-    <biblioentry id="vesadmt">
-      <abbrev>VESA&nbsp;DMT</abbrev>
-      <authorgroup>
-	<corpauthor>Video Electronics Standards Association
-(<ulink url="http://www.vesa.org">http://www.vesa.org</ulink>)</corpauthor>
-      </authorgroup>
-      <title>VESA and Industry Standards and Guidelines for Computer Display Monitor Timing (DMT)</title>
-    </biblioentry>
-
-    <biblioentry id="vesaedid">
-      <abbrev>EDID</abbrev>
-      <authorgroup>
-	<corpauthor>Video Electronics Standards Association
-(<ulink url="http://www.vesa.org">http://www.vesa.org</ulink>)</corpauthor>
-      </authorgroup>
-      <title>VESA Enhanced Extended Display Identification Data Standard</title>
-      <subtitle>Release A, Revision 2</subtitle>
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-      <abbrev>HDCP</abbrev>
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-	<corpauthor>Digital Content Protection LLC
-(<ulink url="http://www.digital-cp.com">http://www.digital-cp.com</ulink>)</corpauthor>
-      </authorgroup>
-      <title>High-bandwidth Digital Content Protection System</title>
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-      <abbrev>HDMI</abbrev>
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-(<ulink url="http://www.hdmi.org">http://www.hdmi.org</ulink>)</corpauthor>
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-    </biblioentry>
-
-  </bibliography>

Documentation/DocBook/media/v4l/capture.c.xml

@@ -1,659 +0,0 @@
-<programlisting>
-/*
- *  V4L2 video capture example
- *
- *  This program can be used and distributed without restrictions.
- *
- *      This program is provided with the V4L2 API
- * see https://linuxtv.org/docs.php for more information
- */
-
-#include &lt;stdio.h&gt;
-#include &lt;stdlib.h&gt;
-#include &lt;string.h&gt;
-#include &lt;assert.h&gt;
-
-#include &lt;getopt.h&gt;             /* getopt_long() */
-
-#include &lt;fcntl.h&gt;              /* low-level i/o */
-#include &lt;unistd.h&gt;
-#include &lt;errno.h&gt;
-#include &lt;sys/stat.h&gt;
-#include &lt;sys/types.h&gt;
-#include &lt;sys/time.h&gt;
-#include &lt;sys/mman.h&gt;
-#include &lt;sys/ioctl.h&gt;
-
-#include &lt;linux/videodev2.h&gt;
-
-#define CLEAR(x) memset(&amp;(x), 0, sizeof(x))
-
-enum io_method {
-        IO_METHOD_READ,
-        IO_METHOD_MMAP,
-        IO_METHOD_USERPTR,
-};
-
-struct buffer {
-        void   *start;
-        size_t  length;
-};
-
-static char            *dev_name;
-static enum io_method   io = IO_METHOD_MMAP;
-static int              fd = -1;
-struct buffer          *buffers;
-static unsigned int     n_buffers;
-static int              out_buf;
-static int              force_format;
-static int              frame_count = 70;
-
-static void errno_exit(const char *s)
-{
-        fprintf(stderr, "%s error %d, %s\n", s, errno, strerror(errno));
-        exit(EXIT_FAILURE);
-}
-
-static int xioctl(int fh, int request, void *arg)
-{
-        int r;
-
-        do {
-                r = ioctl(fh, request, arg);
-        } while (-1 == r &amp;&amp; EINTR == errno);
-
-        return r;
-}
-
-static void process_image(const void *p, int size)
-{
-        if (out_buf)
-                fwrite(p, size, 1, stdout);
-
-        fflush(stderr);
-        fprintf(stderr, ".");
-        fflush(stdout);
-}
-
-static int read_frame(void)
-{
-        struct <link linkend="v4l2-buffer">v4l2_buffer</link> buf;
-        unsigned int i;
-
-        switch (io) {
-        case IO_METHOD_READ:
-                if (-1 == read(fd, buffers[0].start, buffers[0].length)) {
-                        switch (errno) {
-                        case EAGAIN:
-                                return 0;
-
-                        case EIO:
-                                /* Could ignore EIO, see spec. */
-
-                                /* fall through */
-
-                        default:
-                                errno_exit("read");
-                        }
-                }
-
-                process_image(buffers[0].start, buffers[0].length);
-                break;
-
-        case IO_METHOD_MMAP:
-                CLEAR(buf);
-
-                buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-                buf.memory = V4L2_MEMORY_MMAP;
-
-                if (-1 == xioctl(fd, VIDIOC_DQBUF, &amp;buf)) {
-                        switch (errno) {
-                        case EAGAIN:
-                                return 0;
-
-                        case EIO:
-                                /* Could ignore EIO, see spec. */
-
-                                /* fall through */
-
-                        default:
-                                errno_exit("VIDIOC_DQBUF");
-                        }
-                }
-
-                assert(buf.index &lt; n_buffers);
-
-                process_image(buffers[buf.index].start, buf.bytesused);
-
-                if (-1 == xioctl(fd, VIDIOC_QBUF, &amp;buf))
-                        errno_exit("VIDIOC_QBUF");
-                break;
-
-        case IO_METHOD_USERPTR:
-                CLEAR(buf);
-
-                buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-                buf.memory = V4L2_MEMORY_USERPTR;
-
-                if (-1 == xioctl(fd, VIDIOC_DQBUF, &amp;buf)) {
-                        switch (errno) {
-                        case EAGAIN:
-                                return 0;
-
-                        case EIO:
-                                /* Could ignore EIO, see spec. */
-
-                                /* fall through */
-
-                        default:
-                                errno_exit("VIDIOC_DQBUF");
-                        }
-                }
-
-                for (i = 0; i &lt; n_buffers; ++i)
-                        if (buf.m.userptr == (unsigned long)buffers[i].start
-                            &amp;&amp; buf.length == buffers[i].length)
-                                break;
-
-                assert(i &lt; n_buffers);
-
-                process_image((void *)buf.m.userptr, buf.bytesused);
-
-                if (-1 == xioctl(fd, VIDIOC_QBUF, &amp;buf))
-                        errno_exit("VIDIOC_QBUF");
-                break;
-        }
-
-        return 1;
-}
-
-static void mainloop(void)
-{
-        unsigned int count;
-
-        count = frame_count;
-
-        while (count-- &gt; 0) {
-                for (;;) {
-                        fd_set fds;
-                        struct timeval tv;
-                        int r;
-
-                        FD_ZERO(&amp;fds);
-                        FD_SET(fd, &amp;fds);
-
-                        /* Timeout. */
-                        tv.tv_sec = 2;
-                        tv.tv_usec = 0;
-
-                        r = select(fd + 1, &amp;fds, NULL, NULL, &amp;tv);
-
-                        if (-1 == r) {
-                                if (EINTR == errno)
-                                        continue;
-                                errno_exit("select");
-                        }
-
-                        if (0 == r) {
-                                fprintf(stderr, "select timeout\n");
-                                exit(EXIT_FAILURE);
-                        }
-
-                        if (read_frame())
-                                break;
-                        /* EAGAIN - continue select loop. */
-                }
-        }
-}
-
-static void stop_capturing(void)
-{
-        enum <link linkend="v4l2-buf-type">v4l2_buf_type</link> type;
-
-        switch (io) {
-        case IO_METHOD_READ:
-                /* Nothing to do. */
-                break;
-
-        case IO_METHOD_MMAP:
-        case IO_METHOD_USERPTR:
-                type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-                if (-1 == xioctl(fd, VIDIOC_STREAMOFF, &amp;type))
-                        errno_exit("VIDIOC_STREAMOFF");
-                break;
-        }
-}
-
-static void start_capturing(void)
-{
-        unsigned int i;
-        enum <link linkend="v4l2-buf-type">v4l2_buf_type</link> type;
-
-        switch (io) {
-        case IO_METHOD_READ:
-                /* Nothing to do. */
-                break;
-
-        case IO_METHOD_MMAP:
-                for (i = 0; i &lt; n_buffers; ++i) {
-                        struct <link linkend="v4l2-buffer">v4l2_buffer</link> buf;
-
-                        CLEAR(buf);
-                        buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-                        buf.memory = V4L2_MEMORY_MMAP;
-                        buf.index = i;
-
-                        if (-1 == xioctl(fd, VIDIOC_QBUF, &amp;buf))
-                                errno_exit("VIDIOC_QBUF");
-                }
-                type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-                if (-1 == xioctl(fd, VIDIOC_STREAMON, &amp;type))
-                        errno_exit("VIDIOC_STREAMON");
-                break;
-
-        case IO_METHOD_USERPTR:
-                for (i = 0; i &lt; n_buffers; ++i) {
-                        struct <link linkend="v4l2-buffer">v4l2_buffer</link> buf;
-
-                        CLEAR(buf);
-                        buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-                        buf.memory = V4L2_MEMORY_USERPTR;
-                        buf.index = i;
-                        buf.m.userptr = (unsigned long)buffers[i].start;
-                        buf.length = buffers[i].length;
-
-                        if (-1 == xioctl(fd, VIDIOC_QBUF, &amp;buf))
-                                errno_exit("VIDIOC_QBUF");
-                }
-                type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-                if (-1 == xioctl(fd, VIDIOC_STREAMON, &amp;type))
-                        errno_exit("VIDIOC_STREAMON");
-                break;
-        }
-}
-
-static void uninit_device(void)
-{
-        unsigned int i;
-
-        switch (io) {
-        case IO_METHOD_READ:
-                free(buffers[0].start);
-                break;
-
-        case IO_METHOD_MMAP:
-                for (i = 0; i &lt; n_buffers; ++i)
-                        if (-1 == munmap(buffers[i].start, buffers[i].length))
-                                errno_exit("munmap");
-                break;
-
-        case IO_METHOD_USERPTR:
-                for (i = 0; i &lt; n_buffers; ++i)
-                        free(buffers[i].start);
-                break;
-        }
-
-        free(buffers);
-}
-
-static void init_read(unsigned int buffer_size)
-{
-        buffers = calloc(1, sizeof(*buffers));
-
-        if (!buffers) {
-                fprintf(stderr, "Out of memory\n");
-                exit(EXIT_FAILURE);
-        }
-
-        buffers[0].length = buffer_size;
-        buffers[0].start = malloc(buffer_size);
-
-        if (!buffers[0].start) {
-                fprintf(stderr, "Out of memory\n");
-                exit(EXIT_FAILURE);
-        }
-}
-
-static void init_mmap(void)
-{
-        struct <link linkend="v4l2-requestbuffers">v4l2_requestbuffers</link> req;
-
-        CLEAR(req);
-
-        req.count = 4;
-        req.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-        req.memory = V4L2_MEMORY_MMAP;
-
-        if (-1 == xioctl(fd, VIDIOC_REQBUFS, &amp;req)) {
-                if (EINVAL == errno) {
-                        fprintf(stderr, "%s does not support "
-                                 "memory mapping\n", dev_name);
-                        exit(EXIT_FAILURE);
-                } else {
-                        errno_exit("VIDIOC_REQBUFS");
-                }
-        }
-
-        if (req.count &lt; 2) {
-                fprintf(stderr, "Insufficient buffer memory on %s\n",
-                         dev_name);
-                exit(EXIT_FAILURE);
-        }
-
-        buffers = calloc(req.count, sizeof(*buffers));
-
-        if (!buffers) {
-                fprintf(stderr, "Out of memory\n");
-                exit(EXIT_FAILURE);
-        }
-
-        for (n_buffers = 0; n_buffers &lt; req.count; ++n_buffers) {
-                struct <link linkend="v4l2-buffer">v4l2_buffer</link> buf;
-
-                CLEAR(buf);
-
-                buf.type        = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-                buf.memory      = V4L2_MEMORY_MMAP;
-                buf.index       = n_buffers;
-
-                if (-1 == xioctl(fd, VIDIOC_QUERYBUF, &amp;buf))
-                        errno_exit("VIDIOC_QUERYBUF");
-
-                buffers[n_buffers].length = buf.length;
-                buffers[n_buffers].start =
-                        mmap(NULL /* start anywhere */,
-                              buf.length,
-                              PROT_READ | PROT_WRITE /* required */,
-                              MAP_SHARED /* recommended */,
-                              fd, buf.m.offset);
-
-                if (MAP_FAILED == buffers[n_buffers].start)
-                        errno_exit("mmap");
-        }
-}
-
-static void init_userp(unsigned int buffer_size)
-{
-        struct <link linkend="v4l2-requestbuffers">v4l2_requestbuffers</link> req;
-
-        CLEAR(req);
-
-        req.count  = 4;
-        req.type   = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-        req.memory = V4L2_MEMORY_USERPTR;
-
-        if (-1 == xioctl(fd, VIDIOC_REQBUFS, &amp;req)) {
-                if (EINVAL == errno) {
-                        fprintf(stderr, "%s does not support "
-                                 "user pointer i/o\n", dev_name);
-                        exit(EXIT_FAILURE);
-                } else {
-                        errno_exit("VIDIOC_REQBUFS");
-                }
-        }
-
-        buffers = calloc(4, sizeof(*buffers));
-
-        if (!buffers) {
-                fprintf(stderr, "Out of memory\n");
-                exit(EXIT_FAILURE);
-        }
-
-        for (n_buffers = 0; n_buffers &lt; 4; ++n_buffers) {
-                buffers[n_buffers].length = buffer_size;
-                buffers[n_buffers].start = malloc(buffer_size);
-
-                if (!buffers[n_buffers].start) {
-                        fprintf(stderr, "Out of memory\n");
-                        exit(EXIT_FAILURE);
-                }
-        }
-}
-
-static void init_device(void)
-{
-        struct <link linkend="v4l2-capability">v4l2_capability</link> cap;
-        struct <link linkend="v4l2-cropcap">v4l2_cropcap</link> cropcap;
-        struct <link linkend="v4l2-crop">v4l2_crop</link> crop;
-        struct <link linkend="v4l2-format">v4l2_format</link> fmt;
-        unsigned int min;
-
-        if (-1 == xioctl(fd, VIDIOC_QUERYCAP, &amp;cap)) {
-                if (EINVAL == errno) {
-                        fprintf(stderr, "%s is no V4L2 device\n",
-                                 dev_name);
-                        exit(EXIT_FAILURE);
-                } else {
-                        errno_exit("VIDIOC_QUERYCAP");
-                }
-        }
-
-        if (!(cap.capabilities &amp; V4L2_CAP_VIDEO_CAPTURE)) {
-                fprintf(stderr, "%s is no video capture device\n",
-                         dev_name);
-                exit(EXIT_FAILURE);
-        }
-
-        switch (io) {
-        case IO_METHOD_READ:
-                if (!(cap.capabilities &amp; V4L2_CAP_READWRITE)) {
-                        fprintf(stderr, "%s does not support read i/o\n",
-                                 dev_name);
-                        exit(EXIT_FAILURE);
-                }
-                break;
-
-        case IO_METHOD_MMAP:
-        case IO_METHOD_USERPTR:
-                if (!(cap.capabilities &amp; V4L2_CAP_STREAMING)) {
-                        fprintf(stderr, "%s does not support streaming i/o\n",
-                                 dev_name);
-                        exit(EXIT_FAILURE);
-                }
-                break;
-        }
-
-
-        /* Select video input, video standard and tune here. */
-
-
-        CLEAR(cropcap);
-
-        cropcap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-
-        if (0 == xioctl(fd, VIDIOC_CROPCAP, &amp;cropcap)) {
-                crop.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-                crop.c = cropcap.defrect; /* reset to default */
-
-                if (-1 == xioctl(fd, VIDIOC_S_CROP, &amp;crop)) {
-                        switch (errno) {
-                        case EINVAL:
-                                /* Cropping not supported. */
-                                break;
-                        default:
-                                /* Errors ignored. */
-                                break;
-                        }
-                }
-        } else {
-                /* Errors ignored. */
-        }
-
-
-        CLEAR(fmt);
-
-        fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-        if (force_format) {
-                fmt.fmt.pix.width       = 640;
-                fmt.fmt.pix.height      = 480;
-                fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV;
-                fmt.fmt.pix.field       = V4L2_FIELD_INTERLACED;
-
-                if (-1 == xioctl(fd, VIDIOC_S_FMT, &amp;fmt))
-                        errno_exit("VIDIOC_S_FMT");
-
-                /* Note VIDIOC_S_FMT may change width and height. */
-        } else {
-                /* Preserve original settings as set by v4l2-ctl for example */
-                if (-1 == xioctl(fd, VIDIOC_G_FMT, &amp;fmt))
-                        errno_exit("VIDIOC_G_FMT");
-        }
-
-        /* Buggy driver paranoia. */
-        min = fmt.fmt.pix.width * 2;
-        if (fmt.fmt.pix.bytesperline &lt; min)
-                fmt.fmt.pix.bytesperline = min;
-        min = fmt.fmt.pix.bytesperline * fmt.fmt.pix.height;
-        if (fmt.fmt.pix.sizeimage &lt; min)
-                fmt.fmt.pix.sizeimage = min;
-
-        switch (io) {
-        case IO_METHOD_READ:
-                init_read(fmt.fmt.pix.sizeimage);
-                break;
-
-        case IO_METHOD_MMAP:
-                init_mmap();
-                break;
-
-        case IO_METHOD_USERPTR:
-                init_userp(fmt.fmt.pix.sizeimage);
-                break;
-        }
-}
-
-static void close_device(void)
-{
-        if (-1 == close(fd))
-                errno_exit("close");
-
-        fd = -1;
-}
-
-static void open_device(void)
-{
-        struct stat st;
-
-        if (-1 == stat(dev_name, &amp;st)) {
-                fprintf(stderr, "Cannot identify '%s': %d, %s\n",
-                         dev_name, errno, strerror(errno));
-                exit(EXIT_FAILURE);
-        }
-
-        if (!S_ISCHR(st.st_mode)) {
-                fprintf(stderr, "%s is no device\n", dev_name);
-                exit(EXIT_FAILURE);
-        }
-
-        fd = open(dev_name, O_RDWR /* required */ | O_NONBLOCK, 0);
-
-        if (-1 == fd) {
-                fprintf(stderr, "Cannot open '%s': %d, %s\n",
-                         dev_name, errno, strerror(errno));
-                exit(EXIT_FAILURE);
-        }
-}
-
-static void usage(FILE *fp, int argc, char **argv)
-{
-        fprintf(fp,
-                 "Usage: %s [options]\n\n"
-                 "Version 1.3\n"
-                 "Options:\n"
-                 "-d | --device name   Video device name [%s]\n"
-                 "-h | --help          Print this message\n"
-                 "-m | --mmap          Use memory mapped buffers [default]\n"
-                 "-r | --read          Use read() calls\n"
-                 "-u | --userp         Use application allocated buffers\n"
-                 "-o | --output        Outputs stream to stdout\n"
-                 "-f | --format        Force format to 640x480 YUYV\n"
-                 "-c | --count         Number of frames to grab [%i]\n"
-                 "",
-                 argv[0], dev_name, frame_count);
-}
-
-static const char short_options[] = "d:hmruofc:";
-
-static const struct option
-long_options[] = {
-        { "device", required_argument, NULL, 'd' },
-        { "help",   no_argument,       NULL, 'h' },
-        { "mmap",   no_argument,       NULL, 'm' },
-        { "read",   no_argument,       NULL, 'r' },
-        { "userp",  no_argument,       NULL, 'u' },
-        { "output", no_argument,       NULL, 'o' },
-        { "format", no_argument,       NULL, 'f' },
-        { "count",  required_argument, NULL, 'c' },
-        { 0, 0, 0, 0 }
-};
-
-int main(int argc, char **argv)
-{
-        dev_name = "/dev/video0";
-
-        for (;;) {
-                int idx;
-                int c;
-
-                c = getopt_long(argc, argv,
-                                short_options, long_options, &amp;idx);
-
-                if (-1 == c)
-                        break;
-
-                switch (c) {
-                case 0: /* getopt_long() flag */
-                        break;
-
-                case 'd':
-                        dev_name = optarg;
-                        break;
-
-                case 'h':
-                        usage(stdout, argc, argv);
-                        exit(EXIT_SUCCESS);
-
-                case 'm':
-                        io = IO_METHOD_MMAP;
-                        break;
-
-                case 'r':
-                        io = IO_METHOD_READ;
-                        break;
-
-                case 'u':
-                        io = IO_METHOD_USERPTR;
-                        break;
-
-                case 'o':
-                        out_buf++;
-                        break;
-
-                case 'f':
-                        force_format++;
-                        break;
-
-                case 'c':
-                        errno = 0;
-                        frame_count = strtol(optarg, NULL, 0);
-                        if (errno)
-                                errno_exit(optarg);
-                        break;
-
-                default:
-                        usage(stderr, argc, argv);
-                        exit(EXIT_FAILURE);
-                }
-        }
-
-        open_device();
-        init_device();
-        start_capturing();
-        mainloop();
-        stop_capturing();
-        uninit_device();
-        close_device();
-        fprintf(stderr, "\n");
-        return 0;
-}
-</programlisting>

Documentation/DocBook/media/v4l/common.xml

@@ -1,1102 +0,0 @@
-  <title>Common API Elements</title>
-
-  <para>Programming a V4L2 device consists of these
-steps:</para>
-
-  <itemizedlist>
-    <listitem>
-      <para>Opening the device</para>
-    </listitem>
-    <listitem>
-      <para>Changing device properties, selecting a video and audio
-input, video standard, picture brightness a.&nbsp;o.</para>
-    </listitem>
-    <listitem>
-      <para>Negotiating a data format</para>
-    </listitem>
-    <listitem>
-      <para>Negotiating an input/output method</para>
-    </listitem>
-    <listitem>
-      <para>The actual input/output loop</para>
-    </listitem>
-    <listitem>
-      <para>Closing the device</para>
-    </listitem>
-  </itemizedlist>
-
-  <para>In practice most steps are optional and can be executed out of
-order. It depends on the V4L2 device type, you can read about the
-details in <xref linkend="devices" />. In this chapter we will discuss
-the basic concepts applicable to all devices.</para>
-
-  <section id="open">
-    <title>Opening and Closing Devices</title>
-
-    <section>
-      <title>Device Naming</title>
-
-      <para>V4L2 drivers are implemented as kernel modules, loaded
-manually by the system administrator or automatically when a device is
-first discovered. The driver modules plug into the "videodev" kernel
-module. It provides helper functions and a common application
-interface specified in this document.</para>
-
-      <para>Each driver thus loaded registers one or more device nodes
-with major number 81 and a minor number between 0 and 255. Minor numbers
-are allocated dynamically unless the kernel is compiled with the kernel
-option CONFIG_VIDEO_FIXED_MINOR_RANGES. In that case minor numbers are
-allocated in ranges depending on the device node type (video, radio, etc.).</para>
-
-      <para>Many drivers support "video_nr", "radio_nr" or "vbi_nr"
-module options to select specific video/radio/vbi node numbers. This allows
-the user to request that the device node is named e.g. /dev/video5 instead
-of leaving it to chance. When the driver supports multiple devices of the same
-type more than one device node number can be assigned, separated by commas:
-	<informalexample>
-	  <screen>
-&gt; modprobe mydriver video_nr=0,1 radio_nr=0,1</screen>
-	</informalexample></para>
-
-      <para>In <filename>/etc/modules.conf</filename> this may be
-written as: <informalexample>
-	  <screen>
-options mydriver video_nr=0,1 radio_nr=0,1
-	  </screen>
-	</informalexample> When no device node number is given as module
-option the driver supplies a default.</para>
-
-      <para>Normally udev will create the device nodes in /dev automatically
-for you. If udev is not installed, then you need to enable the
-CONFIG_VIDEO_FIXED_MINOR_RANGES kernel option in order to be able to correctly
-relate a minor number to a device node number. I.e., you need to be certain
-that minor number 5 maps to device node name video5. With this kernel option
-different device types have different minor number ranges. These ranges are
-listed in <xref linkend="devices" />.
-</para>
-
-      <para>The creation of character special files (with
-<application>mknod</application>) is a privileged operation and
-devices cannot be opened by major and minor number. That means
-applications cannot <emphasis>reliable</emphasis> scan for loaded or
-installed drivers. The user must enter a device name, or the
-application can try the conventional device names.</para>
-    </section>
-
-    <section id="related">
-      <title>Related Devices</title>
-
-      <para>Devices can support several functions. For example
-video capturing, VBI capturing and radio support.</para>
-
-      <para>The V4L2 API creates different nodes for each of these functions.</para>
-
-      <para>The V4L2 API was designed with the idea that one device node could support
-all functions. However, in practice this never worked: this 'feature'
-was never used by applications and many drivers did not support it and if
-they did it was certainly never tested. In addition, switching a device
-node between different functions only works when using the streaming I/O
-API, not with the read()/write() API.</para>
-
-      <para>Today each device node supports just one function.</para>
-
-      <para>Besides video input or output the hardware may also
-support audio sampling or playback. If so, these functions are
-implemented as ALSA PCM devices with optional ALSA audio mixer
-devices.</para>
-
-      <para>One problem with all these devices is that the V4L2 API
-makes no provisions to find these related devices. Some really
-complex devices use the Media Controller (see <xref linkend="media_controller" />)
-which can be used for this purpose. But most drivers do not use it,
-and while some code exists that uses sysfs to discover related devices
-(see libmedia_dev in the <ulink url="http://git.linuxtv.org/cgit.cgi/v4l-utils.git/">v4l-utils</ulink>
-git repository), there is no library yet that can provide a single API towards
-both Media Controller-based devices and devices that do not use the Media Controller.
-If you want to work on this please write to the linux-media mailing list: &v4l-ml;.</para>
-    </section>
-
-    <section>
-      <title>Multiple Opens</title>
-
-      <para>V4L2 devices can be opened more than once.<footnote><para>
-There are still some old and obscure drivers that have not been updated to
-allow for multiple opens. This implies that for such drivers &func-open; can
-return an &EBUSY; when the device is already in use.</para></footnote>
-When this is supported by the driver, users can for example start a
-"panel" application to change controls like brightness or audio
-volume, while another application captures video and audio. In other words, panel
-applications are comparable to an ALSA audio mixer application.
-Just opening a V4L2 device should not change the state of the device.<footnote>
-<para>Unfortunately, opening a radio device often switches the state of the
-device to radio mode in many drivers. This behavior should be fixed eventually
-as it violates the V4L2 specification.</para></footnote></para>
-
-      <para>Once an application has allocated the memory buffers needed for
-streaming data (by calling the &VIDIOC-REQBUFS; or &VIDIOC-CREATE-BUFS; ioctls,
-or implicitly by calling the &func-read; or &func-write; functions) that
-application (filehandle) becomes the owner of the device. It is no longer
-allowed to make changes that would affect the buffer sizes (e.g. by calling
-the &VIDIOC-S-FMT; ioctl) and other applications are no longer allowed to allocate
-buffers or start or stop streaming. The &EBUSY; will be returned instead.</para>
-
-      <para>Merely opening a V4L2 device does not grant exclusive
-access.<footnote>
-	  <para>Drivers could recognize the
-<constant>O_EXCL</constant> open flag. Presently this is not required,
-so applications cannot know if it really works.</para>
-	</footnote> Initiating data exchange however assigns the right
-to read or write the requested type of data, and to change related
-properties, to this file descriptor. Applications can request
-additional access privileges using the priority mechanism described in
-<xref linkend="app-pri" />.</para>
-    </section>
-
-    <section>
-      <title>Shared Data Streams</title>
-
-      <para>V4L2 drivers should not support multiple applications
-reading or writing the same data stream on a device by copying
-buffers, time multiplexing or similar means. This is better handled by
-a proxy application in user space.</para>
-    </section>
-
-    <section>
-      <title>Functions</title>
-
-    <para>To open and close V4L2 devices applications use the
-&func-open; and &func-close; function, respectively. Devices are
-programmed using the &func-ioctl; function as explained in the
-following sections.</para>
-    </section>
-  </section>
-
-  <section id="querycap">
-    <title>Querying Capabilities</title>
-
-    <para>Because V4L2 covers a wide variety of devices not all
-aspects of the API are equally applicable to all types of devices.
-Furthermore devices of the same type have different capabilities and
-this specification permits the omission of a few complicated and less
-important parts of the API.</para>
-
-    <para>The &VIDIOC-QUERYCAP; ioctl is available to check if the kernel
-device is compatible with this specification, and to query the <link
-linkend="devices">functions</link> and <link linkend="io">I/O
-methods</link> supported by the device.</para>
-
-    <para>Starting with kernel version 3.1, VIDIOC-QUERYCAP will return the
-V4L2 API version used by the driver, with generally matches the Kernel version.
-There's no need of using &VIDIOC-QUERYCAP; to check if a specific ioctl is
-supported, the V4L2 core now returns ENOTTY if a driver doesn't provide
-support for an ioctl.</para>
-
-    <para>Other features can be queried
-by calling the respective ioctl, for example &VIDIOC-ENUMINPUT;
-to learn about the number, types and names of video connectors on the
-device. Although abstraction is a major objective of this API, the
-&VIDIOC-QUERYCAP; ioctl also allows driver specific applications to reliably identify
-the driver.</para>
-
-    <para>All V4L2 drivers must support
-<constant>VIDIOC_QUERYCAP</constant>. Applications should always call
-this ioctl after opening the device.</para>
-  </section>
-
-  <section id="app-pri">
-    <title>Application Priority</title>
-
-    <para>When multiple applications share a device it may be
-desirable to assign them different priorities. Contrary to the
-traditional "rm -rf /" school of thought a video recording application
-could for example block other applications from changing video
-controls or switching the current TV channel. Another objective is to
-permit low priority applications working in background, which can be
-preempted by user controlled applications and automatically regain
-control of the device at a later time.</para>
-
-    <para>Since these features cannot be implemented entirely in user
-space V4L2 defines the &VIDIOC-G-PRIORITY; and &VIDIOC-S-PRIORITY;
-ioctls to request and query the access priority associate with a file
-descriptor. Opening a device assigns a medium priority, compatible
-with earlier versions of V4L2 and drivers not supporting these ioctls.
-Applications requiring a different priority will usually call
-<constant>VIDIOC_S_PRIORITY</constant> after verifying the device with
-the &VIDIOC-QUERYCAP; ioctl.</para>
-
-    <para>Ioctls changing driver properties, such as &VIDIOC-S-INPUT;,
-return an &EBUSY; after another application obtained higher priority.</para>
-  </section>
-
-  <section id="video">
-    <title>Video Inputs and Outputs</title>
-
-    <para>Video inputs and outputs are physical connectors of a
-device. These can be for example RF connectors (antenna/cable), CVBS
-a.k.a. Composite Video, S-Video or RGB connectors. Video and VBI
-capture devices have inputs. Video and VBI output devices have outputs,
-at least one each. Radio devices have no video inputs or outputs.</para>
-
-    <para>To learn about the number and attributes of the
-available inputs and outputs applications can enumerate them with the
-&VIDIOC-ENUMINPUT; and &VIDIOC-ENUMOUTPUT; ioctl, respectively. The
-&v4l2-input; returned by the <constant>VIDIOC_ENUMINPUT</constant>
-ioctl also contains signal status information applicable when the
-current video input is queried.</para>
-
-    <para>The &VIDIOC-G-INPUT; and &VIDIOC-G-OUTPUT; ioctls return the
-index of the current video input or output. To select a different
-input or output applications call the &VIDIOC-S-INPUT; and
-&VIDIOC-S-OUTPUT; ioctls. Drivers must implement all the input ioctls
-when the device has one or more inputs, all the output ioctls when the
-device has one or more outputs.</para>
-
-    <example>
-      <title>Information about the current video input</title>
-
-      <programlisting>
-&v4l2-input; input;
-int index;
-
-if (-1 == ioctl(fd, &VIDIOC-G-INPUT;, &amp;index)) {
-	perror("VIDIOC_G_INPUT");
-	exit(EXIT_FAILURE);
-}
-
-memset(&amp;input, 0, sizeof(input));
-input.index = index;
-
-if (-1 == ioctl(fd, &VIDIOC-ENUMINPUT;, &amp;input)) {
-	perror("VIDIOC_ENUMINPUT");
-	exit(EXIT_FAILURE);
-}
-
-printf("Current input: %s\n", input.name);
-      </programlisting>
-    </example>
-
-    <example>
-      <title>Switching to the first video input</title>
-
-      <programlisting>
-int index;
-
-index = 0;
-
-if (-1 == ioctl(fd, &VIDIOC-S-INPUT;, &amp;index)) {
-	perror("VIDIOC_S_INPUT");
-	exit(EXIT_FAILURE);
-}
-      </programlisting>
-    </example>
-  </section>
-
-  <section id="audio">
-    <title>Audio Inputs and Outputs</title>
-
-    <para>Audio inputs and outputs are physical connectors of a
-device. Video capture devices have inputs, output devices have
-outputs, zero or more each. Radio devices have no audio inputs or
-outputs. They have exactly one tuner which in fact
-<emphasis>is</emphasis> an audio source, but this API associates
-tuners with video inputs or outputs only, and radio devices have
-none of these.<footnote>
-	<para>Actually &v4l2-audio; ought to have a
-<structfield>tuner</structfield> field like &v4l2-input;, not only
-making the API more consistent but also permitting radio devices with
-multiple tuners.</para>
-      </footnote> A connector on a TV card to loop back the received
-audio signal to a sound card is not considered an audio output.</para>
-
-    <para>Audio and video inputs and outputs are associated. Selecting
-a video source also selects an audio source. This is most evident when
-the video and audio source is a tuner. Further audio connectors can
-combine with more than one video input or output. Assumed two
-composite video inputs and two audio inputs exist, there may be up to
-four valid combinations. The relation of video and audio connectors
-is defined in the <structfield>audioset</structfield> field of the
-respective &v4l2-input; or &v4l2-output;, where each bit represents
-the index number, starting at zero, of one audio input or output.</para>
-
-    <para>To learn about the number and attributes of the
-available inputs and outputs applications can enumerate them with the
-&VIDIOC-ENUMAUDIO; and &VIDIOC-ENUMAUDOUT; ioctl, respectively. The
-&v4l2-audio; returned by the <constant>VIDIOC_ENUMAUDIO</constant> ioctl
-also contains signal status information applicable when the current
-audio input is queried.</para>
-
-    <para>The &VIDIOC-G-AUDIO; and &VIDIOC-G-AUDOUT; ioctls report
-the current audio input and output, respectively. Note that, unlike
-&VIDIOC-G-INPUT; and &VIDIOC-G-OUTPUT; these ioctls return a structure
-as <constant>VIDIOC_ENUMAUDIO</constant> and
-<constant>VIDIOC_ENUMAUDOUT</constant> do, not just an index.</para>
-
-    <para>To select an audio input and change its properties
-applications call the &VIDIOC-S-AUDIO; ioctl. To select an audio
-output (which presently has no changeable properties) applications
-call the &VIDIOC-S-AUDOUT; ioctl.</para>
-
-    <para>Drivers must implement all audio input ioctls when the device
-has multiple selectable audio inputs, all audio output ioctls when the
-device has multiple selectable audio outputs. When the device has any
-audio inputs or outputs the driver must set the <constant>V4L2_CAP_AUDIO</constant>
-flag in the &v4l2-capability; returned by the &VIDIOC-QUERYCAP; ioctl.</para>
-
-    <example>
-      <title>Information about the current audio input</title>
-
-      <programlisting>
-&v4l2-audio; audio;
-
-memset(&amp;audio, 0, sizeof(audio));
-
-if (-1 == ioctl(fd, &VIDIOC-G-AUDIO;, &amp;audio)) {
-	perror("VIDIOC_G_AUDIO");
-	exit(EXIT_FAILURE);
-}
-
-printf("Current input: %s\n", audio.name);
-      </programlisting>
-    </example>
-
-    <example>
-      <title>Switching to the first audio input</title>
-
-      <programlisting>
-&v4l2-audio; audio;
-
-memset(&amp;audio, 0, sizeof(audio)); /* clear audio.mode, audio.reserved */
-
-audio.index = 0;
-
-if (-1 == ioctl(fd, &VIDIOC-S-AUDIO;, &amp;audio)) {
-	perror("VIDIOC_S_AUDIO");
-	exit(EXIT_FAILURE);
-}
-      </programlisting>
-    </example>
-  </section>
-
-  <section id="tuner">
-    <title>Tuners and Modulators</title>
-
-    <section>
-      <title>Tuners</title>
-
-      <para>Video input devices can have one or more tuners
-demodulating a RF signal. Each tuner is associated with one or more
-video inputs, depending on the number of RF connectors on the tuner.
-The <structfield>type</structfield> field of the respective
-&v4l2-input; returned by the &VIDIOC-ENUMINPUT; ioctl is set to
-<constant>V4L2_INPUT_TYPE_TUNER</constant> and its
-<structfield>tuner</structfield> field contains the index number of
-the tuner.</para>
-
-      <para>Radio input devices have exactly one tuner with index zero, no
-video inputs.</para>
-
-      <para>To query and change tuner properties applications use the
-&VIDIOC-G-TUNER; and &VIDIOC-S-TUNER; ioctls, respectively. The
-&v4l2-tuner; returned by <constant>VIDIOC_G_TUNER</constant> also
-contains signal status information applicable when the tuner of the
-current video or radio input is queried. Note that
-<constant>VIDIOC_S_TUNER</constant> does not switch the current tuner,
-when there is more than one at all. The tuner is solely determined by
-the current video input. Drivers must support both ioctls and set the
-<constant>V4L2_CAP_TUNER</constant> flag in the &v4l2-capability;
-returned by the &VIDIOC-QUERYCAP; ioctl when the device has one or
-more tuners.</para>
-    </section>
-
-    <section>
-      <title>Modulators</title>
-
-      <para>Video output devices can have one or more modulators, uh,
-modulating a video signal for radiation or connection to the antenna
-input of a TV set or video recorder. Each modulator is associated with
-one or more video outputs, depending on the number of RF connectors on
-the modulator. The <structfield>type</structfield> field of the
-respective &v4l2-output; returned by the &VIDIOC-ENUMOUTPUT; ioctl is
-set to <constant>V4L2_OUTPUT_TYPE_MODULATOR</constant> and its
-<structfield>modulator</structfield> field contains the index number
-of the modulator.</para>
-
-      <para>Radio output devices have exactly one modulator with index
-zero, no video outputs.</para>
-
-      <para>A video or radio device cannot support both a tuner and a
-modulator. Two separate device nodes will have to be used for such
-hardware, one that supports the tuner functionality and one that supports
-the modulator functionality. The reason is a limitation with the
-&VIDIOC-S-FREQUENCY; ioctl where you cannot specify whether the frequency
-is for a tuner or a modulator.</para>
-
-      <para>To query and change modulator properties applications use
-the &VIDIOC-G-MODULATOR; and &VIDIOC-S-MODULATOR; ioctl. Note that
-<constant>VIDIOC_S_MODULATOR</constant> does not switch the current
-modulator, when there is more than one at all. The modulator is solely
-determined by the current video output. Drivers must support both
-ioctls and set the <constant>V4L2_CAP_MODULATOR</constant> flag in
-the &v4l2-capability; returned by the &VIDIOC-QUERYCAP; ioctl when the
-device has one or more modulators.</para>
-    </section>
-
-    <section>
-      <title>Radio Frequency</title>
-
-      <para>To get and set the tuner or modulator radio frequency
-applications use the &VIDIOC-G-FREQUENCY; and &VIDIOC-S-FREQUENCY;
-ioctl which both take a pointer to a &v4l2-frequency;. These ioctls
-are used for TV and radio devices alike. Drivers must support both
-ioctls when the tuner or modulator ioctls are supported, or
-when the device is a radio device.</para>
-    </section>
-  </section>
-
-  <section id="standard">
-    <title>Video Standards</title>
-
-    <para>Video devices typically support one or more different video
-standards or variations of standards. Each video input and output may
-support another set of standards. This set is reported by the
-<structfield>std</structfield> field of &v4l2-input; and
-&v4l2-output; returned by the &VIDIOC-ENUMINPUT; and
-&VIDIOC-ENUMOUTPUT; ioctls, respectively.</para>
-
-    <para>V4L2 defines one bit for each analog video standard
-currently in use worldwide, and sets aside bits for driver defined
-standards, &eg; hybrid standards to watch NTSC video tapes on PAL TVs
-and vice versa. Applications can use the predefined bits to select a
-particular standard, although presenting the user a menu of supported
-standards is preferred. To enumerate and query the attributes of the
-supported standards applications use the &VIDIOC-ENUMSTD; ioctl.</para>
-
-    <para>Many of the defined standards are actually just variations
-of a few major standards. The hardware may in fact not distinguish
-between them, or do so internal and switch automatically. Therefore
-enumerated standards also contain sets of one or more standard
-bits.</para>
-
-    <para>Assume a hypothetic tuner capable of demodulating B/PAL,
-G/PAL and I/PAL signals. The first enumerated standard is a set of B
-and G/PAL, switched automatically depending on the selected radio
-frequency in UHF or VHF band. Enumeration gives a "PAL-B/G" or "PAL-I"
-choice. Similar a Composite input may collapse standards, enumerating
-"PAL-B/G/H/I", "NTSC-M" and "SECAM-D/K".<footnote>
-	<para>Some users are already confused by technical terms PAL,
-NTSC and SECAM. There is no point asking them to distinguish between
-B, G, D, or K when the software or hardware can do that
-automatically.</para>
-    </footnote></para>
-
-    <para>To query and select the standard used by the current video
-input or output applications call the &VIDIOC-G-STD; and
-&VIDIOC-S-STD; ioctl, respectively. The <emphasis>received</emphasis>
-standard can be sensed with the &VIDIOC-QUERYSTD; ioctl. Note that the
-parameter of all these ioctls is a pointer to a &v4l2-std-id; type
-(a standard set), <emphasis>not</emphasis> an index into the standard
-enumeration. Drivers must implement all video standard ioctls
-when the device has one or more video inputs or outputs.</para>
-
-    <para>Special rules apply to devices such as USB cameras where the notion of video
-standards makes little sense. More generally for any capture or output device
-which is: <itemizedlist>
-	<listitem>
-	  <para>incapable of capturing fields or frames at the nominal
-rate of the video standard, or</para>
-	</listitem>
-	<listitem>
-	  <para>that does not support the video standard formats at all.</para>
-	</listitem>
-      </itemizedlist> Here the driver shall set the
-<structfield>std</structfield> field of &v4l2-input; and &v4l2-output;
-to zero and the <constant>VIDIOC_G_STD</constant>,
-<constant>VIDIOC_S_STD</constant>,
-<constant>VIDIOC_QUERYSTD</constant> and
-<constant>VIDIOC_ENUMSTD</constant> ioctls shall return the
-&ENOTTY; or the &EINVAL;.</para>
-	<para>Applications can make use of the <xref linkend="input-capabilities" /> and
-<xref linkend="output-capabilities"/> flags to determine whether the video standard ioctls
-can be used with the given input or output.</para>
-
-    <example>
-      <title>Information about the current video standard</title>
-
-      <programlisting>
-&v4l2-std-id; std_id;
-&v4l2-standard; standard;
-
-if (-1 == ioctl(fd, &VIDIOC-G-STD;, &amp;std_id)) {
-	/* Note when VIDIOC_ENUMSTD always returns ENOTTY this
-	   is no video device or it falls under the USB exception,
-	   and VIDIOC_G_STD returning ENOTTY is no error. */
-
-	perror("VIDIOC_G_STD");
-	exit(EXIT_FAILURE);
-}
-
-memset(&amp;standard, 0, sizeof(standard));
-standard.index = 0;
-
-while (0 == ioctl(fd, &VIDIOC-ENUMSTD;, &amp;standard)) {
-	if (standard.id &amp; std_id) {
-	       printf("Current video standard: %s\n", standard.name);
-	       exit(EXIT_SUCCESS);
-	}
-
-	standard.index++;
-}
-
-/* EINVAL indicates the end of the enumeration, which cannot be
-   empty unless this device falls under the USB exception. */
-
-if (errno == EINVAL || standard.index == 0) {
-	perror("VIDIOC_ENUMSTD");
-	exit(EXIT_FAILURE);
-}
-      </programlisting>
-    </example>
-
-    <example>
-      <title>Listing the video standards supported by the current
-input</title>
-
-      <programlisting>
-&v4l2-input; input;
-&v4l2-standard; standard;
-
-memset(&amp;input, 0, sizeof(input));
-
-if (-1 == ioctl(fd, &VIDIOC-G-INPUT;, &amp;input.index)) {
-	perror("VIDIOC_G_INPUT");
-	exit(EXIT_FAILURE);
-}
-
-if (-1 == ioctl(fd, &VIDIOC-ENUMINPUT;, &amp;input)) {
-	perror("VIDIOC_ENUM_INPUT");
-	exit(EXIT_FAILURE);
-}
-
-printf("Current input %s supports:\n", input.name);
-
-memset(&amp;standard, 0, sizeof(standard));
-standard.index = 0;
-
-while (0 == ioctl(fd, &VIDIOC-ENUMSTD;, &amp;standard)) {
-	if (standard.id &amp; input.std)
-		printf("%s\n", standard.name);
-
-	standard.index++;
-}
-
-/* EINVAL indicates the end of the enumeration, which cannot be
-   empty unless this device falls under the USB exception. */
-
-if (errno != EINVAL || standard.index == 0) {
-	perror("VIDIOC_ENUMSTD");
-	exit(EXIT_FAILURE);
-}
-      </programlisting>
-    </example>
-
-    <example>
-      <title>Selecting a new video standard</title>
-
-      <programlisting>
-&v4l2-input; input;
-&v4l2-std-id; std_id;
-
-memset(&amp;input, 0, sizeof(input));
-
-if (-1 == ioctl(fd, &VIDIOC-G-INPUT;, &amp;input.index)) {
-	perror("VIDIOC_G_INPUT");
-	exit(EXIT_FAILURE);
-}
-
-if (-1 == ioctl(fd, &VIDIOC-ENUMINPUT;, &amp;input)) {
-	perror("VIDIOC_ENUM_INPUT");
-	exit(EXIT_FAILURE);
-}
-
-if (0 == (input.std &amp; V4L2_STD_PAL_BG)) {
-	fprintf(stderr, "Oops. B/G PAL is not supported.\n");
-	exit(EXIT_FAILURE);
-}
-
-/* Note this is also supposed to work when only B
-   <emphasis>or</emphasis> G/PAL is supported. */
-
-std_id = V4L2_STD_PAL_BG;
-
-if (-1 == ioctl(fd, &VIDIOC-S-STD;, &amp;std_id)) {
-	perror("VIDIOC_S_STD");
-	exit(EXIT_FAILURE);
-}
-      </programlisting>
-    </example>
-  </section>
-  <section id="dv-timings">
-	<title>Digital Video (DV) Timings</title>
-	<para>
-	The video standards discussed so far have been dealing with Analog TV and the
-corresponding video timings. Today there are many more different hardware interfaces
-such as High Definition TV interfaces (HDMI), VGA, DVI connectors etc., that carry
-video signals and there is a need to extend the API to select the video timings
-for these interfaces. Since it is not possible to extend the &v4l2-std-id; due to
-the limited bits available, a new set of ioctls was added to set/get video timings at
-the input and output.</para>
-
-	<para>These ioctls deal with the detailed digital video timings that define
-each video format. This includes parameters such as the active video width and height,
-signal polarities, frontporches, backporches, sync widths etc. The <filename>linux/v4l2-dv-timings.h</filename>
-header can be used to get the timings of the formats in the <xref linkend="cea861" /> and
-<xref linkend="vesadmt" /> standards.
-	</para>
-
-	<para>To enumerate and query the attributes of the DV timings supported by a device
-	applications use the &VIDIOC-ENUM-DV-TIMINGS; and &VIDIOC-DV-TIMINGS-CAP; ioctls.
-	To set DV timings for the device applications use the
-&VIDIOC-S-DV-TIMINGS; ioctl and to get current DV timings they use the
-&VIDIOC-G-DV-TIMINGS; ioctl. To detect the DV timings as seen by the video receiver applications
-use the &VIDIOC-QUERY-DV-TIMINGS; ioctl.</para>
-	<para>Applications can make use of the <xref linkend="input-capabilities" /> and
-<xref linkend="output-capabilities"/> flags to determine whether the digital video ioctls
-can be used with the given input or output.</para>
-  </section>
-
-  &sub-controls;
-
-  <section id="format">
-    <title>Data Formats</title>
-
-    <section>
-      <title>Data Format Negotiation</title>
-
-      <para>Different devices exchange different kinds of data with
-applications, for example video images, raw or sliced VBI data, RDS
-datagrams. Even within one kind many different formats are possible,
-in particular an abundance of image formats. Although drivers must
-provide a default and the selection persists across closing and
-reopening a device, applications should always negotiate a data format
-before engaging in data exchange. Negotiation means the application
-asks for a particular format and the driver selects and reports the
-best the hardware can do to satisfy the request. Of course
-applications can also just query the current selection.</para>
-
-      <para>A single mechanism exists to negotiate all data formats
-using the aggregate &v4l2-format; and the &VIDIOC-G-FMT; and
-&VIDIOC-S-FMT; ioctls. Additionally the &VIDIOC-TRY-FMT; ioctl can be
-used to examine what the hardware <emphasis>could</emphasis> do,
-without actually selecting a new data format. The data formats
-supported by the V4L2 API are covered in the respective device section
-in <xref linkend="devices" />. For a closer look at image formats see
-<xref linkend="pixfmt" />.</para>
-
-      <para>The <constant>VIDIOC_S_FMT</constant> ioctl is a major
-turning-point in the initialization sequence. Prior to this point
-multiple panel applications can access the same device concurrently to
-select the current input, change controls or modify other properties.
-The first <constant>VIDIOC_S_FMT</constant> assigns a logical stream
-(video data, VBI data etc.) exclusively to one file descriptor.</para>
-
-      <para>Exclusive means no other application, more precisely no
-other file descriptor, can grab this stream or change device
-properties inconsistent with the negotiated parameters. A video
-standard change for example, when the new standard uses a different
-number of scan lines, can invalidate the selected image format.
-Therefore only the file descriptor owning the stream can make
-invalidating changes. Accordingly multiple file descriptors which
-grabbed different logical streams prevent each other from interfering
-with their settings. When for example video overlay is about to start
-or already in progress, simultaneous video capturing may be restricted
-to the same cropping and image size.</para>
-
-      <para>When applications omit the
-<constant>VIDIOC_S_FMT</constant> ioctl its locking side effects are
-implied by the next step, the selection of an I/O method with the
-&VIDIOC-REQBUFS; ioctl or implicit with the first &func-read; or
-&func-write; call.</para>
-
-      <para>Generally only one logical stream can be assigned to a
-file descriptor, the exception being drivers permitting simultaneous
-video capturing and overlay using the same file descriptor for
-compatibility with V4L and earlier versions of V4L2. Switching the
-logical stream or returning into "panel mode" is possible by closing
-and reopening the device. Drivers <emphasis>may</emphasis> support a
-switch using <constant>VIDIOC_S_FMT</constant>.</para>
-
-      <para>All drivers exchanging data with
-applications must support the <constant>VIDIOC_G_FMT</constant> and
-<constant>VIDIOC_S_FMT</constant> ioctl. Implementation of the
-<constant>VIDIOC_TRY_FMT</constant> is highly recommended but
-optional.</para>
-    </section>
-
-    <section>
-      <title>Image Format Enumeration</title>
-
-      <para>Apart of the generic format negotiation functions
-a special ioctl to enumerate all image formats supported by video
-capture, overlay or output devices is available.<footnote>
-	  <para>Enumerating formats an application has no a-priori
-knowledge of (otherwise it could explicitly ask for them and need not
-enumerate) seems useless, but there are applications serving as proxy
-between drivers and the actual video applications for which this is
-useful.</para>
-	</footnote></para>
-
-      <para>The &VIDIOC-ENUM-FMT; ioctl must be supported
-by all drivers exchanging image data with applications.</para>
-
-      <important>
-	<para>Drivers are not supposed to convert image formats in
-kernel space. They must enumerate only formats directly supported by
-the hardware. If necessary driver writers should publish an example
-conversion routine or library for integration into applications.</para>
-      </important>
-    </section>
-  </section>
-
-  &sub-planar-apis;
-
-  <section id="crop">
-    <title>Image Cropping, Insertion and Scaling</title>
-
-    <para>Some video capture devices can sample a subsection of the
-picture and shrink or enlarge it to an image of arbitrary size. We
-call these abilities cropping and scaling. Some video output devices
-can scale an image up or down and insert it at an arbitrary scan line
-and horizontal offset into a video signal.</para>
-
-    <para>Applications can use the following API to select an area in
-the video signal, query the default area and the hardware limits.
-<emphasis>Despite their name, the &VIDIOC-CROPCAP;, &VIDIOC-G-CROP;
-and &VIDIOC-S-CROP; ioctls apply to input as well as output
-devices.</emphasis></para>
-
-    <para>Scaling requires a source and a target. On a video capture
-or overlay device the source is the video signal, and the cropping
-ioctls determine the area actually sampled. The target are images
-read by the application or overlaid onto the graphics screen. Their
-size (and position for an overlay) is negotiated with the
-&VIDIOC-G-FMT; and &VIDIOC-S-FMT; ioctls.</para>
-
-    <para>On a video output device the source are the images passed in
-by the application, and their size is again negotiated with the
-<constant>VIDIOC_G/S_FMT</constant> ioctls, or may be encoded in a
-compressed video stream. The target is the video signal, and the
-cropping ioctls determine the area where the images are
-inserted.</para>
-
-    <para>Source and target rectangles are defined even if the device
-does not support scaling or the <constant>VIDIOC_G/S_CROP</constant>
-ioctls. Their size (and position where applicable) will be fixed in
-this case. <emphasis>All capture and output device must support the
-<constant>VIDIOC_CROPCAP</constant> ioctl such that applications can
-determine if scaling takes place.</emphasis></para>
-
-    <section>
-      <title>Cropping Structures</title>
-
-      <figure id="crop-scale">
-	<title>Image Cropping, Insertion and Scaling</title>
-	<mediaobject>
-	  <imageobject>
-	    <imagedata fileref="crop.pdf" format="PS" />
-	  </imageobject>
-	  <imageobject>
-	    <imagedata fileref="crop.gif" format="GIF" />
-	  </imageobject>
-	  <textobject>
-	    <phrase>The cropping, insertion and scaling process</phrase>
-	  </textobject>
-	</mediaobject>
-      </figure>
-
-      <para>For capture devices the coordinates of the top left
-corner, width and height of the area which can be sampled is given by
-the <structfield>bounds</structfield> substructure of the
-&v4l2-cropcap; returned by the <constant>VIDIOC_CROPCAP</constant>
-ioctl. To support a wide range of hardware this specification does not
-define an origin or units. However by convention drivers should
-horizontally count unscaled samples relative to 0H (the leading edge
-of the horizontal sync pulse, see <xref linkend="vbi-hsync" />).
-Vertically ITU-R line
-numbers of the first field (<xref linkend="vbi-525" />, <xref
-linkend="vbi-625" />), multiplied by two if the driver can capture both
-fields.</para>
-
-      <para>The top left corner, width and height of the source
-rectangle, that is the area actually sampled, is given by &v4l2-crop;
-using the same coordinate system as &v4l2-cropcap;. Applications can
-use the <constant>VIDIOC_G_CROP</constant> and
-<constant>VIDIOC_S_CROP</constant> ioctls to get and set this
-rectangle. It must lie completely within the capture boundaries and
-the driver may further adjust the requested size and/or position
-according to hardware limitations.</para>
-
-      <para>Each capture device has a default source rectangle, given
-by the <structfield>defrect</structfield> substructure of
-&v4l2-cropcap;. The center of this rectangle shall align with the
-center of the active picture area of the video signal, and cover what
-the driver writer considers the complete picture. Drivers shall reset
-the source rectangle to the default when the driver is first loaded,
-but not later.</para>
-
-      <para>For output devices these structures and ioctls are used
-accordingly, defining the <emphasis>target</emphasis> rectangle where
-the images will be inserted into the video signal.</para>
-
-    </section>
-
-    <section>
-      <title>Scaling Adjustments</title>
-
-      <para>Video hardware can have various cropping, insertion and
-scaling limitations. It may only scale up or down, support only
-discrete scaling factors, or have different scaling abilities in
-horizontal and vertical direction. Also it may not support scaling at
-all. At the same time the &v4l2-crop; rectangle may have to be
-aligned, and both the source and target rectangles may have arbitrary
-upper and lower size limits. In particular the maximum
-<structfield>width</structfield> and <structfield>height</structfield>
-in &v4l2-crop; may be smaller than the
-&v4l2-cropcap;.<structfield>bounds</structfield> area. Therefore, as
-usual, drivers are expected to adjust the requested parameters and
-return the actual values selected.</para>
-
-      <para>Applications can change the source or the target rectangle
-first, as they may prefer a particular image size or a certain area in
-the video signal. If the driver has to adjust both to satisfy hardware
-limitations, the last requested rectangle shall take priority, and the
-driver should preferably adjust the opposite one. The &VIDIOC-TRY-FMT;
-ioctl however shall not change the driver state and therefore only
-adjust the requested rectangle.</para>
-
-      <para>Suppose scaling on a video capture device is restricted to
-a factor 1:1 or 2:1 in either direction and the target image size must
-be a multiple of 16&nbsp;&times;&nbsp;16 pixels. The source cropping
-rectangle is set to defaults, which are also the upper limit in this
-example, of 640&nbsp;&times;&nbsp;400 pixels at offset 0,&nbsp;0. An
-application requests an image size of 300&nbsp;&times;&nbsp;225
-pixels, assuming video will be scaled down from the "full picture"
-accordingly. The driver sets the image size to the closest possible
-values 304&nbsp;&times;&nbsp;224, then chooses the cropping rectangle
-closest to the requested size, that is 608&nbsp;&times;&nbsp;224
-(224&nbsp;&times;&nbsp;2:1 would exceed the limit 400). The offset
-0,&nbsp;0 is still valid, thus unmodified. Given the default cropping
-rectangle reported by <constant>VIDIOC_CROPCAP</constant> the
-application can easily propose another offset to center the cropping
-rectangle.</para>
-
-      <para>Now the application may insist on covering an area using a
-picture aspect ratio closer to the original request, so it asks for a
-cropping rectangle of 608&nbsp;&times;&nbsp;456 pixels. The present
-scaling factors limit cropping to 640&nbsp;&times;&nbsp;384, so the
-driver returns the cropping size 608&nbsp;&times;&nbsp;384 and adjusts
-the image size to closest possible 304&nbsp;&times;&nbsp;192.</para>
-
-    </section>
-
-    <section>
-      <title>Examples</title>
-
-      <para>Source and target rectangles shall remain unchanged across
-closing and reopening a device, such that piping data into or out of a
-device will work without special preparations. More advanced
-applications should ensure the parameters are suitable before starting
-I/O.</para>
-
-      <example>
-	<title>Resetting the cropping parameters</title>
-
-	<para>(A video capture device is assumed; change
-<constant>V4L2_BUF_TYPE_VIDEO_CAPTURE</constant> for other
-devices.)</para>
-
-	<programlisting>
-&v4l2-cropcap; cropcap;
-&v4l2-crop; crop;
-
-memset (&amp;cropcap, 0, sizeof (cropcap));
-cropcap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-
-if (-1 == ioctl (fd, &VIDIOC-CROPCAP;, &amp;cropcap)) {
-	perror ("VIDIOC_CROPCAP");
-	exit (EXIT_FAILURE);
-}
-
-memset (&amp;crop, 0, sizeof (crop));
-crop.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-crop.c = cropcap.defrect;
-
-/* Ignore if cropping is not supported (EINVAL). */
-
-if (-1 == ioctl (fd, &VIDIOC-S-CROP;, &amp;crop)
-    &amp;&amp; errno != EINVAL) {
-	perror ("VIDIOC_S_CROP");
-	exit (EXIT_FAILURE);
-}
-      </programlisting>
-      </example>
-
-      <example>
-	<title>Simple downscaling</title>
-
-	<para>(A video capture device is assumed.)</para>
-
-	<programlisting>
-&v4l2-cropcap; cropcap;
-&v4l2-format; format;
-
-reset_cropping_parameters ();
-
-/* Scale down to 1/4 size of full picture. */
-
-memset (&amp;format, 0, sizeof (format)); /* defaults */
-
-format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-
-format.fmt.pix.width = cropcap.defrect.width &gt;&gt; 1;
-format.fmt.pix.height = cropcap.defrect.height &gt;&gt; 1;
-format.fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV;
-
-if (-1 == ioctl (fd, &VIDIOC-S-FMT;, &amp;format)) {
-	perror ("VIDIOC_S_FORMAT");
-	exit (EXIT_FAILURE);
-}
-
-/* We could check the actual image size now, the actual scaling factor
-   or if the driver can scale at all. */
-	</programlisting>
-      </example>
-
-      <example>
-	<title>Selecting an output area</title>
-
-	<programlisting>
-&v4l2-cropcap; cropcap;
-&v4l2-crop; crop;
-
-memset (&amp;cropcap, 0, sizeof (cropcap));
-cropcap.type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
-
-if (-1 == ioctl (fd, VIDIOC_CROPCAP;, &amp;cropcap)) {
-	perror ("VIDIOC_CROPCAP");
-	exit (EXIT_FAILURE);
-}
-
-memset (&amp;crop, 0, sizeof (crop));
-
-crop.type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
-crop.c = cropcap.defrect;
-
-/* Scale the width and height to 50 % of their original size
-   and center the output. */
-
-crop.c.width /= 2;
-crop.c.height /= 2;
-crop.c.left += crop.c.width / 2;
-crop.c.top += crop.c.height / 2;
-
-/* Ignore if cropping is not supported (EINVAL). */
-
-if (-1 == ioctl (fd, VIDIOC_S_CROP, &amp;crop)
-    &amp;&amp; errno != EINVAL) {
-	perror ("VIDIOC_S_CROP");
-	exit (EXIT_FAILURE);
-}
-</programlisting>
-      </example>
-
-      <example>
-	<title>Current scaling factor and pixel aspect</title>
-
-	<para>(A video capture device is assumed.)</para>
-
-	<programlisting>
-&v4l2-cropcap; cropcap;
-&v4l2-crop; crop;
-&v4l2-format; format;
-double hscale, vscale;
-double aspect;
-int dwidth, dheight;
-
-memset (&amp;cropcap, 0, sizeof (cropcap));
-cropcap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-
-if (-1 == ioctl (fd, &VIDIOC-CROPCAP;, &amp;cropcap)) {
-	perror ("VIDIOC_CROPCAP");
-	exit (EXIT_FAILURE);
-}
-
-memset (&amp;crop, 0, sizeof (crop));
-crop.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-
-if (-1 == ioctl (fd, &VIDIOC-G-CROP;, &amp;crop)) {
-	if (errno != EINVAL) {
-		perror ("VIDIOC_G_CROP");
-		exit (EXIT_FAILURE);
-	}
-
-	/* Cropping not supported. */
-	crop.c = cropcap.defrect;
-}
-
-memset (&amp;format, 0, sizeof (format));
-format.fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-
-if (-1 == ioctl (fd, &VIDIOC-G-FMT;, &amp;format)) {
-	perror ("VIDIOC_G_FMT");
-	exit (EXIT_FAILURE);
-}
-
-/* The scaling applied by the driver. */
-
-hscale = format.fmt.pix.width / (double) crop.c.width;
-vscale = format.fmt.pix.height / (double) crop.c.height;
-
-aspect = cropcap.pixelaspect.numerator /
-	 (double) cropcap.pixelaspect.denominator;
-aspect = aspect * hscale / vscale;
-
-/* Devices following ITU-R BT.601 do not capture
-   square pixels. For playback on a computer monitor
-   we should scale the images to this size. */
-
-dwidth = format.fmt.pix.width / aspect;
-dheight = format.fmt.pix.height;
-	</programlisting>
-      </example>
-    </section>
-  </section>
-
-  &sub-selection-api;
-
-  <section id="streaming-par">
-    <title>Streaming Parameters</title>
-
-    <para>Streaming parameters are intended to optimize the video
-capture process as well as I/O. Presently applications can request a
-high quality capture mode with the &VIDIOC-S-PARM; ioctl.</para>
-
-    <para>The current video standard determines a nominal number of
-frames per second. If less than this number of frames is to be
-captured or output, applications can request frame skipping or
-duplicating on the driver side. This is especially useful when using
-the &func-read; or &func-write;, which are not augmented by timestamps
-or sequence counters, and to avoid unnecessary data copying.</para>
-
-    <para>Finally these ioctls can be used to determine the number of
-buffers used internally by a driver in read/write mode. For
-implications see the section discussing the &func-read;
-function.</para>
-
-    <para>To get and set the streaming parameters applications call
-the &VIDIOC-G-PARM; and &VIDIOC-S-PARM; ioctl, respectively. They take
-a pointer to a &v4l2-streamparm;, which contains a union holding
-separate parameters for input and output devices.</para>
-
-    <para>These ioctls are optional, drivers need not implement
-them. If so, they return the &EINVAL;.</para>
-  </section>

Documentation/DocBook/media/v4l/compat.xml

@@ -1,2723 +0,0 @@
-  <title>Changes</title>
-
-  <para>The following chapters document the evolution of the V4L2 API,
-errata or extensions. They are also intended to help application and
-driver writers to port or update their code.</para>
-
-  <section id="diff-v4l">
-    <title>Differences between V4L and V4L2</title>
-
-    <para>The Video For Linux API was first introduced in Linux 2.1 to
-unify and replace various TV and radio device related interfaces,
-developed independently by driver writers in prior years. Starting
-with Linux 2.5 the much improved V4L2 API replaces the V4L API.
-The support for the old V4L calls were removed from Kernel, but the
-library <xref linkend="libv4l" /> supports the conversion of a V4L
-API system call into a V4L2 one.</para>
-
-    <section>
-      <title>Opening and Closing Devices</title>
-
-      <para>For compatibility reasons the character device file names
-recommended for V4L2 video capture, overlay, radio and raw
-vbi capture devices did not change from those used by V4L. They are
-listed in <xref linkend="devices" /> and below in <xref
-	  linkend="v4l-dev" />.</para>
-
-      <para>The teletext devices (minor range 192-223) have been removed in
-V4L2 and no longer exist. There is no hardware available anymore for handling
-pure teletext. Instead raw or sliced VBI is used.</para>
-
-      <para>The V4L <filename>videodev</filename> module automatically
-assigns minor numbers to drivers in load order, depending on the
-registered device type. We recommend that V4L2 drivers by default
-register devices with the same numbers, but the system administrator
-can assign arbitrary minor numbers using driver module options. The
-major device number remains 81.</para>
-
-      <table id="v4l-dev">
-	<title>V4L Device Types, Names and Numbers</title>
-	<tgroup cols="3">
-	  <thead>
-	    <row>
-	      <entry>Device Type</entry>
-	      <entry>File Name</entry>
-	      <entry>Minor Numbers</entry>
-	    </row>
-	  </thead>
-	  <tbody valign="top">
-	    <row>
-	      <entry>Video capture and overlay</entry>
-	      <entry><para><filename>/dev/video</filename> and
-<filename>/dev/bttv0</filename><footnote> <para>According to
-Documentation/devices.txt these should be symbolic links to
-<filename>/dev/video0</filename>. Note the original bttv interface is
-not compatible with V4L or V4L2.</para> </footnote>,
-<filename>/dev/video0</filename> to
-<filename>/dev/video63</filename></para></entry>
-	      <entry>0-63</entry>
-	    </row>
-	    <row>
-	      <entry>Radio receiver</entry>
-	      <entry><para><filename>/dev/radio</filename><footnote>
-		    <para>According to
-<filename>Documentation/devices.txt</filename> a symbolic link to
-<filename>/dev/radio0</filename>.</para>
-		  </footnote>, <filename>/dev/radio0</filename> to
-<filename>/dev/radio63</filename></para></entry>
-	      <entry>64-127</entry>
-	    </row>
-	    <row>
-	      <entry>Raw VBI capture</entry>
-	      <entry><para><filename>/dev/vbi</filename>,
-<filename>/dev/vbi0</filename> to
-<filename>/dev/vbi31</filename></para></entry>
-	      <entry>224-255</entry>
-	    </row>
-	  </tbody>
-	</tgroup>
-      </table>
-
-      <para>V4L prohibits (or used to prohibit) multiple opens of a
-device file. V4L2 drivers <emphasis>may</emphasis> support multiple
-opens, see <xref linkend="open" /> for details and consequences.</para>
-
-      <para>V4L drivers respond to V4L2 ioctls with an &EINVAL;.</para>
-    </section>
-
-    <section>
-      <title>Querying Capabilities</title>
-
-      <para>The V4L <constant>VIDIOCGCAP</constant> ioctl is
-equivalent to V4L2's &VIDIOC-QUERYCAP;.</para>
-
-      <para>The <structfield>name</structfield> field in struct
-<structname>video_capability</structname> became
-<structfield>card</structfield> in &v4l2-capability;,
-<structfield>type</structfield> was replaced by
-<structfield>capabilities</structfield>. Note V4L2 does not
-distinguish between device types like this, better think of basic
-video input, video output and radio devices supporting a set of
-related functions like video capturing, video overlay and VBI
-capturing. See <xref linkend="open" /> for an
-introduction.<informaltable>
-	  <tgroup cols="3">
-	    <thead>
-	      <row>
-		<entry>struct
-<structname>video_capability</structname>
-<structfield>type</structfield></entry>
-		<entry>&v4l2-capability;
-<structfield>capabilities</structfield> flags</entry>
-		<entry>Purpose</entry>
-	      </row>
-	    </thead>
-	    <tbody valign="top">
-	      <row>
-		<entry><constant>VID_TYPE_CAPTURE</constant></entry>
-		<entry><constant>V4L2_CAP_VIDEO_CAPTURE</constant></entry>
-		<entry>The <link linkend="capture">video
-capture</link> interface is supported.</entry>
-	      </row>
-	      <row>
-		<entry><constant>VID_TYPE_TUNER</constant></entry>
-		<entry><constant>V4L2_CAP_TUNER</constant></entry>
-		<entry>The device has a <link linkend="tuner">tuner or
-modulator</link>.</entry>
-	      </row>
-	      <row>
-		<entry><constant>VID_TYPE_TELETEXT</constant></entry>
-		<entry><constant>V4L2_CAP_VBI_CAPTURE</constant></entry>
-		<entry>The <link linkend="raw-vbi">raw VBI
-capture</link> interface is supported.</entry>
-	      </row>
-	      <row>
-		<entry><constant>VID_TYPE_OVERLAY</constant></entry>
-		<entry><constant>V4L2_CAP_VIDEO_OVERLAY</constant></entry>
-		<entry>The <link linkend="overlay">video
-overlay</link> interface is supported.</entry>
-	      </row>
-	      <row>
-		<entry><constant>VID_TYPE_CHROMAKEY</constant></entry>
-		<entry><constant>V4L2_FBUF_CAP_CHROMAKEY</constant> in
-field <structfield>capability</structfield> of
-&v4l2-framebuffer;</entry>
-		<entry>Whether chromakey overlay is supported. For
-more information on overlay see
-<xref linkend="overlay" />.</entry>
-	      </row>
-	      <row>
-		<entry><constant>VID_TYPE_CLIPPING</constant></entry>
-		<entry><constant>V4L2_FBUF_CAP_LIST_CLIPPING</constant>
-and <constant>V4L2_FBUF_CAP_BITMAP_CLIPPING</constant> in field
-<structfield>capability</structfield> of &v4l2-framebuffer;</entry>
-		<entry>Whether clipping the overlaid image is
-supported, see <xref linkend="overlay" />.</entry>
-	      </row>
-	      <row>
-		<entry><constant>VID_TYPE_FRAMERAM</constant></entry>
-		<entry><constant>V4L2_FBUF_CAP_EXTERNOVERLAY</constant>
-<emphasis>not set</emphasis> in field
-<structfield>capability</structfield> of &v4l2-framebuffer;</entry>
-		<entry>Whether overlay overwrites frame buffer memory,
-see <xref linkend="overlay" />.</entry>
-	      </row>
-	      <row>
-		<entry><constant>VID_TYPE_SCALES</constant></entry>
-		<entry><constant>-</constant></entry>
-		<entry>This flag indicates if the hardware can scale
-images. The V4L2 API implies the scale factor by setting the cropping
-dimensions and image size with the &VIDIOC-S-CROP; and &VIDIOC-S-FMT;
-ioctl, respectively. The driver returns the closest sizes possible.
-For more information on cropping and scaling see <xref
-		    linkend="crop" />.</entry>
-	      </row>
-	      <row>
-		<entry><constant>VID_TYPE_MONOCHROME</constant></entry>
-		<entry><constant>-</constant></entry>
-		<entry>Applications can enumerate the supported image
-formats with the &VIDIOC-ENUM-FMT; ioctl to determine if the device
-supports grey scale capturing only. For more information on image
-formats see <xref linkend="pixfmt" />.</entry>
-	      </row>
-	      <row>
-		<entry><constant>VID_TYPE_SUBCAPTURE</constant></entry>
-		<entry><constant>-</constant></entry>
-		<entry>Applications can call the &VIDIOC-G-CROP; ioctl
-to determine if the device supports capturing a subsection of the full
-picture ("cropping" in V4L2). If not, the ioctl returns the &EINVAL;.
-For more information on cropping and scaling see <xref
-		    linkend="crop" />.</entry>
-	      </row>
-	      <row>
-		<entry><constant>VID_TYPE_MPEG_DECODER</constant></entry>
-		<entry><constant>-</constant></entry>
-		<entry>Applications can enumerate the supported image
-formats with the &VIDIOC-ENUM-FMT; ioctl to determine if the device
-supports MPEG streams.</entry>
-	      </row>
-	      <row>
-		<entry><constant>VID_TYPE_MPEG_ENCODER</constant></entry>
-		<entry><constant>-</constant></entry>
-		<entry>See above.</entry>
-	      </row>
-	      <row>
-		<entry><constant>VID_TYPE_MJPEG_DECODER</constant></entry>
-		<entry><constant>-</constant></entry>
-		<entry>See above.</entry>
-	      </row>
-	      <row>
-		<entry><constant>VID_TYPE_MJPEG_ENCODER</constant></entry>
-		<entry><constant>-</constant></entry>
-		<entry>See above.</entry>
-	      </row>
-	    </tbody>
-	  </tgroup>
-	</informaltable></para>
-
-      <para>The <structfield>audios</structfield> field was replaced
-by <structfield>capabilities</structfield> flag
-<constant>V4L2_CAP_AUDIO</constant>, indicating
-<emphasis>if</emphasis> the device has any audio inputs or outputs. To
-determine their number applications can enumerate audio inputs with
-the &VIDIOC-G-AUDIO; ioctl. The audio ioctls are described in <xref
-	  linkend="audio" />.</para>
-
-      <para>The <structfield>maxwidth</structfield>,
-<structfield>maxheight</structfield>,
-<structfield>minwidth</structfield> and
-<structfield>minheight</structfield> fields were removed. Calling the
-&VIDIOC-S-FMT; or &VIDIOC-TRY-FMT; ioctl with the desired dimensions
-returns the closest size possible, taking into account the current
-video standard, cropping and scaling limitations.</para>
-    </section>
-
-    <section>
-      <title>Video Sources</title>
-
-      <para>V4L provides the <constant>VIDIOCGCHAN</constant> and
-<constant>VIDIOCSCHAN</constant> ioctl using struct
-<structname>video_channel</structname> to enumerate
-the video inputs of a V4L device. The equivalent V4L2 ioctls
-are &VIDIOC-ENUMINPUT;, &VIDIOC-G-INPUT; and &VIDIOC-S-INPUT;
-using &v4l2-input; as discussed in <xref linkend="video" />.</para>
-
-      <para>The <structfield>channel</structfield> field counting
-inputs was renamed to <structfield>index</structfield>, the video
-input types were renamed as follows: <informaltable>
-	  <tgroup cols="2">
-	    <thead>
-	      <row>
-		<entry>struct <structname>video_channel</structname>
-<structfield>type</structfield></entry>
-		<entry>&v4l2-input;
-<structfield>type</structfield></entry>
-	      </row>
-	    </thead>
-	    <tbody valign="top">
-	      <row>
-		<entry><constant>VIDEO_TYPE_TV</constant></entry>
-		<entry><constant>V4L2_INPUT_TYPE_TUNER</constant></entry>
-	      </row>
-	      <row>
-		<entry><constant>VIDEO_TYPE_CAMERA</constant></entry>
-		<entry><constant>V4L2_INPUT_TYPE_CAMERA</constant></entry>
-	      </row>
-	    </tbody>
-	  </tgroup>
-	</informaltable></para>
-
-      <para>Unlike the <structfield>tuners</structfield> field
-expressing the number of tuners of this input, V4L2 assumes each video
-input is connected to at most one tuner. However a tuner can have more
-than one input, &ie; RF connectors, and a device can have multiple
-tuners. The index number of the tuner associated with the input, if
-any, is stored in field <structfield>tuner</structfield> of
-&v4l2-input;. Enumeration of tuners is discussed in <xref
-	  linkend="tuner" />.</para>
-
-      <para>The redundant <constant>VIDEO_VC_TUNER</constant> flag was
-dropped. Video inputs associated with a tuner are of type
-<constant>V4L2_INPUT_TYPE_TUNER</constant>. The
-<constant>VIDEO_VC_AUDIO</constant> flag was replaced by the
-<structfield>audioset</structfield> field. V4L2 considers devices with
-up to 32 audio inputs. Each set bit in the
-<structfield>audioset</structfield> field represents one audio input
-this video input combines with. For information about audio inputs and
-how to switch between them see <xref linkend="audio" />.</para>
-
-      <para>The <structfield>norm</structfield> field describing the
-supported video standards was replaced by
-<structfield>std</structfield>. The V4L specification mentions a flag
-<constant>VIDEO_VC_NORM</constant> indicating whether the standard can
-be changed. This flag was a later addition together with the
-<structfield>norm</structfield> field and has been removed in the
-meantime. V4L2 has a similar, albeit more comprehensive approach
-to video standards, see <xref linkend="standard" /> for more
-information.</para>
-    </section>
-
-    <section>
-      <title>Tuning</title>
-
-      <para>The V4L <constant>VIDIOCGTUNER</constant> and
-<constant>VIDIOCSTUNER</constant> ioctl and struct
-<structname>video_tuner</structname> can be used to enumerate the
-tuners of a V4L TV or radio device. The equivalent V4L2 ioctls are
-&VIDIOC-G-TUNER; and &VIDIOC-S-TUNER; using &v4l2-tuner;. Tuners are
-covered in <xref linkend="tuner" />.</para>
-
-      <para>The <structfield>tuner</structfield> field counting tuners
-was renamed to <structfield>index</structfield>. The fields
-<structfield>name</structfield>, <structfield>rangelow</structfield>
-and <structfield>rangehigh</structfield> remained unchanged.</para>
-
-      <para>The <constant>VIDEO_TUNER_PAL</constant>,
-<constant>VIDEO_TUNER_NTSC</constant> and
-<constant>VIDEO_TUNER_SECAM</constant> flags indicating the supported
-video standards were dropped. This information is now contained in the
-associated &v4l2-input;. No replacement exists for the
-<constant>VIDEO_TUNER_NORM</constant> flag indicating whether the
-video standard can be switched. The <structfield>mode</structfield>
-field to select a different video standard was replaced by a whole new
-set of ioctls and structures described in <xref linkend="standard" />.
-Due to its ubiquity it should be mentioned the BTTV driver supports
-several standards in addition to the regular
-<constant>VIDEO_MODE_PAL</constant> (0),
-<constant>VIDEO_MODE_NTSC</constant>,
-<constant>VIDEO_MODE_SECAM</constant> and
-<constant>VIDEO_MODE_AUTO</constant> (3). Namely N/PAL Argentina,
-M/PAL, N/PAL, and NTSC Japan with numbers 3-6 (sic).</para>
-
-      <para>The <constant>VIDEO_TUNER_STEREO_ON</constant> flag
-indicating stereo reception became
-<constant>V4L2_TUNER_SUB_STEREO</constant> in field
-<structfield>rxsubchans</structfield>. This field also permits the
-detection of monaural and bilingual audio, see the definition of
-&v4l2-tuner; for details. Presently no replacement exists for the
-<constant>VIDEO_TUNER_RDS_ON</constant> and
-<constant>VIDEO_TUNER_MBS_ON</constant> flags.</para>
-
-      <para> The <constant>VIDEO_TUNER_LOW</constant> flag was renamed
-to <constant>V4L2_TUNER_CAP_LOW</constant> in the &v4l2-tuner;
-<structfield>capability</structfield> field.</para>
-
-      <para>The <constant>VIDIOCGFREQ</constant> and
-<constant>VIDIOCSFREQ</constant> ioctl to change the tuner frequency
-where renamed to &VIDIOC-G-FREQUENCY; and  &VIDIOC-S-FREQUENCY;. They
-take a pointer to a &v4l2-frequency; instead of an unsigned long
-integer.</para>
-    </section>
-
-    <section id="v4l-image-properties">
-      <title>Image Properties</title>
-
-      <para>V4L2 has no equivalent of the
-<constant>VIDIOCGPICT</constant> and <constant>VIDIOCSPICT</constant>
-ioctl and struct <structname>video_picture</structname>. The following
-fields where replaced by V4L2 controls accessible with the
-&VIDIOC-QUERYCTRL;, &VIDIOC-G-CTRL; and &VIDIOC-S-CTRL; ioctls:<informaltable>
-	  <tgroup cols="2">
-	    <thead>
-	      <row>
-		<entry>struct <structname>video_picture</structname></entry>
-		<entry>V4L2 Control ID</entry>
-	      </row>
-	    </thead>
-	    <tbody valign="top">
-	      <row>
-		<entry><structfield>brightness</structfield></entry>
-		<entry><constant>V4L2_CID_BRIGHTNESS</constant></entry>
-	      </row>
-	      <row>
-		<entry><structfield>hue</structfield></entry>
-		<entry><constant>V4L2_CID_HUE</constant></entry>
-	      </row>
-	      <row>
-		<entry><structfield>colour</structfield></entry>
-		<entry><constant>V4L2_CID_SATURATION</constant></entry>
-	      </row>
-	      <row>
-		<entry><structfield>contrast</structfield></entry>
-		<entry><constant>V4L2_CID_CONTRAST</constant></entry>
-	      </row>
-	      <row>
-		<entry><structfield>whiteness</structfield></entry>
-		<entry><constant>V4L2_CID_WHITENESS</constant></entry>
-	      </row>
-	    </tbody>
-	  </tgroup>
-	</informaltable></para>
-
-      <para>The V4L picture controls are assumed to range from 0 to
-65535 with no particular reset value. The V4L2 API permits arbitrary
-limits and defaults which can be queried with the &VIDIOC-QUERYCTRL;
-ioctl. For general information about controls see <xref
-linkend="control" />.</para>
-
-      <para>The <structfield>depth</structfield> (average number of
-bits per pixel) of a video image is implied by the selected image
-format. V4L2 does not explicitly provide such information assuming
-applications recognizing the format are aware of the image depth and
-others need not know. The <structfield>palette</structfield> field
-moved into the &v4l2-pix-format;:<informaltable>
-	  <tgroup cols="2">
-	    <thead>
-	      <row>
-		<entry>struct <structname>video_picture</structname>
-<structfield>palette</structfield></entry>
-		<entry>&v4l2-pix-format;
-<structfield>pixfmt</structfield></entry>
-	      </row>
-	    </thead>
-	    <tbody valign="top">
-	      <row>
-		<entry><constant>VIDEO_PALETTE_GREY</constant></entry>
-		<entry><para><link
-linkend="V4L2-PIX-FMT-GREY"><constant>V4L2_PIX_FMT_GREY</constant></link></para></entry>
-	      </row>
-	      <row>
-		<entry><constant>VIDEO_PALETTE_HI240</constant></entry>
-		<entry><para><link
-linkend="pixfmt-reserved"><constant>V4L2_PIX_FMT_HI240</constant></link><footnote>
-		      <para>This is a custom format used by the BTTV
-driver, not one of the V4L2 standard formats.</para>
-		    </footnote></para></entry>
-	      </row>
-	      <row>
-		<entry><constant>VIDEO_PALETTE_RGB565</constant></entry>
-		<entry><para><link
-linkend="pixfmt-rgb"><constant>V4L2_PIX_FMT_RGB565</constant></link></para></entry>
-	      </row>
-	      <row>
-		<entry><constant>VIDEO_PALETTE_RGB555</constant></entry>
-		<entry><para><link
-linkend="pixfmt-rgb"><constant>V4L2_PIX_FMT_RGB555</constant></link></para></entry>
-	      </row>
-	      <row>
-		<entry><constant>VIDEO_PALETTE_RGB24</constant></entry>
-		<entry><para><link
-linkend="pixfmt-rgb"><constant>V4L2_PIX_FMT_BGR24</constant></link></para></entry>
-	      </row>
-	      <row>
-		<entry><constant>VIDEO_PALETTE_RGB32</constant></entry>
-		<entry><para><link
-linkend="pixfmt-rgb"><constant>V4L2_PIX_FMT_BGR32</constant></link><footnote>
-		      <para>Presumably all V4L RGB formats are
-little-endian, although some drivers might interpret them according to machine endianness. V4L2 defines little-endian, big-endian and red/blue
-swapped variants. For details see <xref linkend="pixfmt-rgb" />.</para>
-		    </footnote></para></entry>
-	      </row>
-	      <row>
-		<entry><constant>VIDEO_PALETTE_YUV422</constant></entry>
-		<entry><para><link
-linkend="V4L2-PIX-FMT-YUYV"><constant>V4L2_PIX_FMT_YUYV</constant></link></para></entry>
-	      </row>
-	      <row>
-		<entry><para><constant>VIDEO_PALETTE_YUYV</constant><footnote>
-		      <para><constant>VIDEO_PALETTE_YUV422</constant>
-and <constant>VIDEO_PALETTE_YUYV</constant> are the same formats. Some
-V4L drivers respond to one, some to the other.</para>
-		    </footnote></para></entry>
-		<entry><para><link
-linkend="V4L2-PIX-FMT-YUYV"><constant>V4L2_PIX_FMT_YUYV</constant></link></para></entry>
-	      </row>
-	      <row>
-		<entry><constant>VIDEO_PALETTE_UYVY</constant></entry>
-		<entry><para><link
-linkend="V4L2-PIX-FMT-UYVY"><constant>V4L2_PIX_FMT_UYVY</constant></link></para></entry>
-	      </row>
-	      <row>
-		<entry><constant>VIDEO_PALETTE_YUV420</constant></entry>
-		<entry>None</entry>
-	      </row>
-	      <row>
-		<entry><constant>VIDEO_PALETTE_YUV411</constant></entry>
-		<entry><para><link
-linkend="V4L2-PIX-FMT-Y41P"><constant>V4L2_PIX_FMT_Y41P</constant></link><footnote>
-		      <para>Not to be confused with
-<constant>V4L2_PIX_FMT_YUV411P</constant>, which is a planar
-format.</para> </footnote></para></entry>
-	      </row>
-	      <row>
-		<entry><constant>VIDEO_PALETTE_RAW</constant></entry>
-		<entry><para>None<footnote> <para>V4L explains this
-as: "RAW capture (BT848)"</para> </footnote></para></entry>
-	      </row>
-	      <row>
-		<entry><constant>VIDEO_PALETTE_YUV422P</constant></entry>
-		<entry><para><link
-linkend="V4L2-PIX-FMT-YUV422P"><constant>V4L2_PIX_FMT_YUV422P</constant></link></para></entry>
-	      </row>
-	      <row>
-		<entry><constant>VIDEO_PALETTE_YUV411P</constant></entry>
-		<entry><para><link
-linkend="V4L2-PIX-FMT-YUV411P"><constant>V4L2_PIX_FMT_YUV411P</constant></link><footnote>
-		      <para>Not to be confused with
-<constant>V4L2_PIX_FMT_Y41P</constant>, which is a packed
-format.</para> </footnote></para></entry>
-	      </row>
-	      <row>
-		<entry><constant>VIDEO_PALETTE_YUV420P</constant></entry>
-		<entry><para><link
-linkend="V4L2-PIX-FMT-YVU420"><constant>V4L2_PIX_FMT_YVU420</constant></link></para></entry>
-	      </row>
-	      <row>
-		<entry><constant>VIDEO_PALETTE_YUV410P</constant></entry>
-		<entry><para><link
-linkend="V4L2-PIX-FMT-YVU410"><constant>V4L2_PIX_FMT_YVU410</constant></link></para></entry>
-	      </row>
-	    </tbody>
-	  </tgroup>
-	</informaltable></para>
-
-      <para>V4L2 image formats are defined in <xref
-linkend="pixfmt" />. The image format can be selected with the
-&VIDIOC-S-FMT; ioctl.</para>
-    </section>
-
-    <section>
-      <title>Audio</title>
-
-      <para>The <constant>VIDIOCGAUDIO</constant> and
-<constant>VIDIOCSAUDIO</constant> ioctl and struct
-<structname>video_audio</structname> are used to enumerate the
-audio inputs of a V4L device. The equivalent V4L2 ioctls are
-&VIDIOC-G-AUDIO; and &VIDIOC-S-AUDIO; using &v4l2-audio; as
-discussed in <xref linkend="audio" />.</para>
-
-      <para>The <structfield>audio</structfield> "channel number"
-field counting audio inputs was renamed to
-<structfield>index</structfield>.</para>
-
-      <para>On <constant>VIDIOCSAUDIO</constant> the
-<structfield>mode</structfield> field selects <emphasis>one</emphasis>
-of the <constant>VIDEO_SOUND_MONO</constant>,
-<constant>VIDEO_SOUND_STEREO</constant>,
-<constant>VIDEO_SOUND_LANG1</constant> or
-<constant>VIDEO_SOUND_LANG2</constant> audio demodulation modes. When
-the current audio standard is BTSC
-<constant>VIDEO_SOUND_LANG2</constant> refers to SAP and
-<constant>VIDEO_SOUND_LANG1</constant> is meaningless. Also
-undocumented in the V4L specification, there is no way to query the
-selected mode. On <constant>VIDIOCGAUDIO</constant> the driver returns
-the <emphasis>actually received</emphasis> audio programmes in this
-field. In the V4L2 API this information is stored in the &v4l2-tuner;
-<structfield>rxsubchans</structfield> and
-<structfield>audmode</structfield> fields, respectively. See <xref
-linkend="tuner" /> for more information on tuners. Related to audio
-modes &v4l2-audio; also reports if this is a mono or stereo
-input, regardless if the source is a tuner.</para>
-
-      <para>The following fields where replaced by V4L2 controls
-accessible with the &VIDIOC-QUERYCTRL;, &VIDIOC-G-CTRL; and
-&VIDIOC-S-CTRL; ioctls:<informaltable>
-	  <tgroup cols="2">
-	    <thead>
-	      <row>
-		<entry>struct
-<structname>video_audio</structname></entry>
-		<entry>V4L2 Control ID</entry>
-	      </row>
-	    </thead>
-	    <tbody valign="top">
-	      <row>
-		<entry><structfield>volume</structfield></entry>
-		<entry><constant>V4L2_CID_AUDIO_VOLUME</constant></entry>
-	      </row>
-	      <row>
-		<entry><structfield>bass</structfield></entry>
-		<entry><constant>V4L2_CID_AUDIO_BASS</constant></entry>
-	      </row>
-	      <row>
-		<entry><structfield>treble</structfield></entry>
-		<entry><constant>V4L2_CID_AUDIO_TREBLE</constant></entry>
-	      </row>
-	      <row>
-		<entry><structfield>balance</structfield></entry>
-		<entry><constant>V4L2_CID_AUDIO_BALANCE</constant></entry>
-	      </row>
-	    </tbody>
-	  </tgroup>
-	</informaltable></para>
-
-      <para>To determine which of these controls are supported by a
-driver V4L provides the <structfield>flags</structfield>
-<constant>VIDEO_AUDIO_VOLUME</constant>,
-<constant>VIDEO_AUDIO_BASS</constant>,
-<constant>VIDEO_AUDIO_TREBLE</constant> and
-<constant>VIDEO_AUDIO_BALANCE</constant>. In the V4L2 API the
-&VIDIOC-QUERYCTRL; ioctl reports if the respective control is
-supported. Accordingly the <constant>VIDEO_AUDIO_MUTABLE</constant>
-and <constant>VIDEO_AUDIO_MUTE</constant> flags where replaced by the
-boolean <constant>V4L2_CID_AUDIO_MUTE</constant> control.</para>
-
-      <para>All V4L2 controls have a <structfield>step</structfield>
-attribute replacing the struct <structname>video_audio</structname>
-<structfield>step</structfield> field. The V4L audio controls are
-assumed to range from 0 to 65535 with no particular reset value. The
-V4L2 API permits arbitrary limits and defaults which can be queried
-with the &VIDIOC-QUERYCTRL; ioctl. For general information about
-controls see <xref linkend="control" />.</para>
-    </section>
-
-    <section>
-      <title>Frame Buffer Overlay</title>
-
-      <para>The V4L2 ioctls equivalent to
-<constant>VIDIOCGFBUF</constant> and <constant>VIDIOCSFBUF</constant>
-are &VIDIOC-G-FBUF; and &VIDIOC-S-FBUF;. The
-<structfield>base</structfield> field of struct
-<structname>video_buffer</structname> remained unchanged, except V4L2
-defines a flag to indicate non-destructive overlays instead of a
-<constant>NULL</constant> pointer. All other fields moved into the
-&v4l2-pix-format; <structfield>fmt</structfield> substructure of
-&v4l2-framebuffer;. The <structfield>depth</structfield> field was
-replaced by <structfield>pixelformat</structfield>. See <xref
-	  linkend="pixfmt-rgb" /> for a list of RGB formats and their
-respective color depths.</para>
-
-      <para>Instead of the special ioctls
-<constant>VIDIOCGWIN</constant> and <constant>VIDIOCSWIN</constant>
-V4L2 uses the general-purpose data format negotiation ioctls
-&VIDIOC-G-FMT; and &VIDIOC-S-FMT;. They take a pointer to a
-&v4l2-format; as argument. Here the <structfield>win</structfield>
-member of the <structfield>fmt</structfield> union is used, a
-&v4l2-window;.</para>
-
-      <para>The <structfield>x</structfield>,
-<structfield>y</structfield>, <structfield>width</structfield> and
-<structfield>height</structfield> fields of struct
-<structname>video_window</structname> moved into &v4l2-rect;
-substructure <structfield>w</structfield> of struct
-<structname>v4l2_window</structname>. The
-<structfield>chromakey</structfield>,
-<structfield>clips</structfield>, and
-<structfield>clipcount</structfield> fields remained unchanged. Struct
-<structname>video_clip</structname> was renamed to &v4l2-clip;, also
-containing a struct <structname>v4l2_rect</structname>, but the
-semantics are still the same.</para>
-
-      <para>The <constant>VIDEO_WINDOW_INTERLACE</constant> flag was
-dropped. Instead applications must set the
-<structfield>field</structfield> field to
-<constant>V4L2_FIELD_ANY</constant> or
-<constant>V4L2_FIELD_INTERLACED</constant>. The
-<constant>VIDEO_WINDOW_CHROMAKEY</constant> flag moved into
-&v4l2-framebuffer;, under the new name
-<constant>V4L2_FBUF_FLAG_CHROMAKEY</constant>.</para>
-
-      <para>In V4L, storing a bitmap pointer in
-<structfield>clips</structfield> and setting
-<structfield>clipcount</structfield> to
-<constant>VIDEO_CLIP_BITMAP</constant> (-1) requests bitmap
-clipping, using a fixed size bitmap of 1024 &times; 625 bits. Struct
-<structname>v4l2_window</structname> has a separate
-<structfield>bitmap</structfield> pointer field for this purpose and
-the bitmap size is determined by <structfield>w.width</structfield> and
-<structfield>w.height</structfield>.</para>
-
-      <para>The <constant>VIDIOCCAPTURE</constant> ioctl to enable or
-disable overlay was renamed to &VIDIOC-OVERLAY;.</para>
-    </section>
-
-    <section>
-      <title>Cropping</title>
-
-      <para>To capture only a subsection of the full picture V4L
-defines the <constant>VIDIOCGCAPTURE</constant> and
-<constant>VIDIOCSCAPTURE</constant> ioctls using struct
-<structname>video_capture</structname>. The equivalent V4L2 ioctls are
-&VIDIOC-G-CROP; and &VIDIOC-S-CROP; using &v4l2-crop;, and the related
-&VIDIOC-CROPCAP; ioctl. This is a rather complex matter, see
-<xref linkend="crop" /> for details.</para>
-
-      <para>The <structfield>x</structfield>,
-<structfield>y</structfield>, <structfield>width</structfield> and
-<structfield>height</structfield> fields moved into &v4l2-rect;
-substructure <structfield>c</structfield> of struct
-<structname>v4l2_crop</structname>. The
-<structfield>decimation</structfield> field was dropped. In the V4L2
-API the scaling factor is implied by the size of the cropping
-rectangle and the size of the captured or overlaid image.</para>
-
-      <para>The <constant>VIDEO_CAPTURE_ODD</constant>
-and <constant>VIDEO_CAPTURE_EVEN</constant> flags to capture only the
-odd or even field, respectively, were replaced by
-<constant>V4L2_FIELD_TOP</constant> and
-<constant>V4L2_FIELD_BOTTOM</constant> in the field named
-<structfield>field</structfield> of &v4l2-pix-format; and
-&v4l2-window;. These structures are used to select a capture or
-overlay format with the &VIDIOC-S-FMT; ioctl.</para>
-    </section>
-
-    <section>
-      <title>Reading Images, Memory Mapping</title>
-
-      <section>
-	<title>Capturing using the read method</title>
-
-	<para>There is no essential difference between reading images
-from a V4L or V4L2 device using the &func-read; function, however V4L2
-drivers are not required to support this I/O method. Applications can
-determine if the function is available with the &VIDIOC-QUERYCAP;
-ioctl. All V4L2 devices exchanging data with applications must support
-the &func-select; and &func-poll; functions.</para>
-
-	<para>To select an image format and size, V4L provides the
-<constant>VIDIOCSPICT</constant> and <constant>VIDIOCSWIN</constant>
-ioctls. V4L2 uses the general-purpose data format negotiation ioctls
-&VIDIOC-G-FMT; and &VIDIOC-S-FMT;. They take a pointer to a
-&v4l2-format; as argument, here the &v4l2-pix-format; named
-<structfield>pix</structfield> of its <structfield>fmt</structfield>
-union is used.</para>
-
-	<para>For more information about the V4L2 read interface see
-<xref linkend="rw" />.</para>
-      </section>
-      <section>
-	<title>Capturing using memory mapping</title>
-
-	<para>Applications can read from V4L devices by mapping
-buffers in device memory, or more often just buffers allocated in
-DMA-able system memory, into their address space. This avoids the data
-copying overhead of the read method. V4L2 supports memory mapping as
-well, with a few differences.</para>
-
-	<informaltable>
-	  <tgroup cols="2">
-	    <thead>
-	      <row>
-		<entry>V4L</entry>
-		<entry>V4L2</entry>
-	      </row>
-	    </thead>
-	    <tbody valign="top">
-	      <row>
-		<entry></entry>
-		<entry>The image format must be selected before
-buffers are allocated, with the &VIDIOC-S-FMT; ioctl. When no format
-is selected the driver may use the last, possibly by another
-application requested format.</entry>
-	      </row>
-	      <row>
-		<entry><para>Applications cannot change the number of
-buffers. The it is built into the driver, unless it has a module
-option to change the number when the driver module is
-loaded.</para></entry>
-		<entry><para>The &VIDIOC-REQBUFS; ioctl allocates the
-desired number of buffers, this is a required step in the initialization
-sequence.</para></entry>
-	      </row>
-	      <row>
-		<entry><para>Drivers map all buffers as one contiguous
-range of memory. The <constant>VIDIOCGMBUF</constant> ioctl is
-available to query the number of buffers, the offset of each buffer
-from the start of the virtual file, and the overall amount of memory
-used, which can be used as arguments for the &func-mmap;
-function.</para></entry>
-		<entry><para>Buffers are individually mapped. The
-offset and size of each buffer can be determined with the
-&VIDIOC-QUERYBUF; ioctl.</para></entry>
-	      </row>
-	      <row>
-		<entry><para>The <constant>VIDIOCMCAPTURE</constant>
-ioctl prepares a buffer for capturing. It also determines the image
-format for this buffer. The ioctl returns immediately, eventually with
-an &EAGAIN; if no video signal had been detected. When the driver
-supports more than one buffer applications can call the ioctl multiple
-times and thus have multiple outstanding capture
-requests.</para><para>The <constant>VIDIOCSYNC</constant> ioctl
-suspends execution until a particular buffer has been
-filled.</para></entry>
-		<entry><para>Drivers maintain an incoming and outgoing
-queue. &VIDIOC-QBUF; enqueues any empty buffer into the incoming
-queue. Filled buffers are dequeued from the outgoing queue with the
-&VIDIOC-DQBUF; ioctl. To wait until filled buffers become available this
-function, &func-select; or &func-poll; can be used. The
-&VIDIOC-STREAMON; ioctl must be called once after enqueuing one or
-more buffers to start capturing. Its counterpart
-&VIDIOC-STREAMOFF; stops capturing and dequeues all buffers from both
-queues. Applications can query the signal status, if known, with the
-&VIDIOC-ENUMINPUT; ioctl.</para></entry>
-	      </row>
-	    </tbody>
-	  </tgroup>
-	</informaltable>
-
-	<para>For a more in-depth discussion of memory mapping and
-examples, see <xref linkend="mmap" />.</para>
-      </section>
-    </section>
-
-    <section>
-      <title>Reading Raw VBI Data</title>
-
-      <para>Originally the V4L API did not specify a raw VBI capture
-interface, only the device file <filename>/dev/vbi</filename> was
-reserved for this purpose. The only driver supporting this interface
-was the BTTV driver, de-facto defining the V4L VBI interface. Reading
-from the device yields a raw VBI image with the following
-parameters:<informaltable>
-	    <tgroup cols="2">
-	      <thead>
-		<row>
-		  <entry>&v4l2-vbi-format;</entry>
-		  <entry>V4L, BTTV driver</entry>
-		</row>
-	      </thead>
-	      <tbody valign="top">
-		<row>
-		  <entry>sampling_rate</entry>
-		  <entry>28636363&nbsp;Hz NTSC (or any other 525-line
-standard); 35468950&nbsp;Hz PAL and SECAM (625-line standards)</entry>
-		</row>
-		<row>
-		  <entry>offset</entry>
-		  <entry>?</entry>
-		</row>
-		<row>
-		  <entry>samples_per_line</entry>
-		  <entry>2048</entry>
-		</row>
-		<row>
-		  <entry>sample_format</entry>
-		  <entry>V4L2_PIX_FMT_GREY. The last four bytes (a
-machine endianness integer) contain a frame counter.</entry>
-		</row>
-		<row>
-		  <entry>start[]</entry>
-		  <entry>10, 273 NTSC; 22, 335 PAL and SECAM</entry>
-		</row>
-		<row>
-		  <entry>count[]</entry>
-		  <entry><para>16, 16<footnote><para>Old driver
-versions used different values, eventually the custom
-<constant>BTTV_VBISIZE</constant> ioctl was added to query the
-correct values.</para></footnote></para></entry>
-		</row>
-		<row>
-		  <entry>flags</entry>
-		  <entry>0</entry>
-		</row>
-	      </tbody>
-	    </tgroup>
-	</informaltable></para>
-
-      <para>Undocumented in the V4L specification, in Linux 2.3 the
-<constant>VIDIOCGVBIFMT</constant> and
-<constant>VIDIOCSVBIFMT</constant> ioctls using struct
-<structname>vbi_format</structname> were added to determine the VBI
-image parameters. These ioctls are only partially compatible with the
-V4L2 VBI interface specified in <xref linkend="raw-vbi" />.</para>
-
-      <para>An <structfield>offset</structfield> field does not
-exist, <structfield>sample_format</structfield> is supposed to be
-<constant>VIDEO_PALETTE_RAW</constant>, equivalent to
-<constant>V4L2_PIX_FMT_GREY</constant>. The remaining fields are
-probably equivalent to &v4l2-vbi-format;.</para>
-
-      <para>Apparently only the Zoran (ZR 36120) driver implements
-these ioctls. The semantics differ from those specified for V4L2 in two
-ways. The parameters are reset on &func-open; and
-<constant>VIDIOCSVBIFMT</constant> always returns an &EINVAL; if the
-parameters are invalid.</para>
-    </section>
-
-    <section>
-      <title>Miscellaneous</title>
-
-      <para>V4L2 has no equivalent of the
-<constant>VIDIOCGUNIT</constant> ioctl. Applications can find the VBI
-device associated with a video capture device (or vice versa) by
-reopening the device and requesting VBI data. For details see
-<xref linkend="open" />.</para>
-
-      <para>No replacement exists for <constant>VIDIOCKEY</constant>,
-and the V4L functions for microcode programming. A new interface for
-MPEG compression and playback devices is documented in <xref
-	  linkend="extended-controls" />.</para>
-    </section>
-
-  </section>
-
-  <section id="hist-v4l2">
-    <title>Changes of the V4L2 API</title>
-
-    <para>Soon after the V4L API was added to the kernel it was
-criticised as too inflexible. In August 1998 Bill Dirks proposed a
-number of improvements and began to work on documentation, example
-drivers and applications. With the help of other volunteers this
-eventually became the V4L2 API, not just an extension but a
-replacement for the V4L API. However it took another four years and
-two stable kernel releases until the new API was finally accepted for
-inclusion into the kernel in its present form.</para>
-
-    <section>
-      <title>Early Versions</title>
-      <para>1998-08-20: First version.</para>
-
-      <para>1998-08-27: The &func-select; function was introduced.</para>
-
-      <para>1998-09-10: New video standard interface.</para>
-
-      <para>1998-09-18: The <constant>VIDIOC_NONCAP</constant> ioctl
-was replaced by the otherwise meaningless <constant>O_TRUNC</constant>
-&func-open; flag, and the aliases <constant>O_NONCAP</constant> and
-<constant>O_NOIO</constant> were defined. Applications can set this
-flag if they intend to access controls only, as opposed to capture
-applications which need exclusive access. The
-<constant>VIDEO_STD_XXX</constant> identifiers are now ordinals
-instead of flags, and the <function>video_std_construct()</function>
-helper function takes id and transmission arguments.</para>
-
-      <para>1998-09-28: Revamped video standard. Made video controls
-individually enumerable.</para>
-
-      <para>1998-10-02: The <structfield>id</structfield> field was
-removed from struct <structname>video_standard</structname> and the
-color subcarrier fields were renamed. The &VIDIOC-QUERYSTD; ioctl was
-renamed to &VIDIOC-ENUMSTD;, &VIDIOC-G-INPUT; to &VIDIOC-ENUMINPUT;. A
-first draft of the Codec API was released.</para>
-
-      <para>1998-11-08: Many minor changes. Most symbols have been
-renamed. Some material changes to &v4l2-capability;.</para>
-
-      <para>1998-11-12: The read/write directon of some ioctls was misdefined.</para>
-
-      <para>1998-11-14: <constant>V4L2_PIX_FMT_RGB24</constant>
-changed to <constant>V4L2_PIX_FMT_BGR24</constant>, and
-<constant>V4L2_PIX_FMT_RGB32</constant> changed to
-<constant>V4L2_PIX_FMT_BGR32</constant>. Audio controls are now
-accessible with the &VIDIOC-G-CTRL; and &VIDIOC-S-CTRL; ioctls under
-names starting with <constant>V4L2_CID_AUDIO</constant>. The
-<constant>V4L2_MAJOR</constant> define was removed from
-<filename>videodev.h</filename> since it was only used once in the
-<filename>videodev</filename> kernel module. The
-<constant>YUV422</constant> and <constant>YUV411</constant> planar
-image formats were added.</para>
-
-      <para>1998-11-28: A few ioctl symbols changed. Interfaces for codecs and
-video output devices were added.</para>
-
-      <para>1999-01-14: A raw VBI capture interface was added.</para>
-
-      <para>1999-01-19: The <constant>VIDIOC_NEXTBUF</constant> ioctl
-      was removed.</para>
-    </section>
-
-    <section>
-      <title>V4L2 Version 0.16 1999-01-31</title>
-      <para>1999-01-27: There is now one QBUF ioctl, VIDIOC_QWBUF and VIDIOC_QRBUF
-are gone. VIDIOC_QBUF takes a v4l2_buffer as a parameter. Added
-digital zoom (cropping) controls.</para>
-    </section>
-
-    <!-- Where's 0.17? mhs couldn't find that videodev.h, perhaps Bill
-	 forgot to bump the version number or never released it. -->
-
-    <section>
-      <title>V4L2 Version 0.18 1999-03-16</title>
-      <para>Added a v4l to V4L2 ioctl compatibility layer to
-videodev.c. Driver writers, this changes how you implement your ioctl
-handler. See the Driver Writer's Guide. Added some more control id
-codes.</para>
-    </section>
-
-    <section>
-      <title>V4L2 Version 0.19 1999-06-05</title>
-      <para>1999-03-18: Fill in the category and catname fields of
-v4l2_queryctrl objects before passing them to the driver. Required a
-minor change to the VIDIOC_QUERYCTRL handlers in the sample
-drivers.</para>
-      <para>1999-03-31: Better compatibility for v4l memory capture
-ioctls. Requires changes to drivers to fully support new compatibility
-features, see Driver Writer's Guide and v4l2cap.c. Added new control
-IDs: V4L2_CID_HFLIP, _VFLIP. Changed V4L2_PIX_FMT_YUV422P to _YUV422P,
-and _YUV411P to _YUV411P.</para>
-      <para>1999-04-04: Added a few more control IDs.</para>
-      <para>1999-04-07: Added the button control type.</para>
-      <para>1999-05-02: Fixed a typo in videodev.h, and added the
-V4L2_CTRL_FLAG_GRAYED (later V4L2_CTRL_FLAG_GRABBED) flag.</para>
-      <para>1999-05-20: Definition of VIDIOC_G_CTRL was wrong causing
-a malfunction of this ioctl.</para>
-      <para>1999-06-05: Changed the value of
-V4L2_CID_WHITENESS.</para>
-    </section>
-
-    <section>
-      <title>V4L2 Version 0.20 (1999-09-10)</title>
-
-      <para>Version 0.20 introduced a number of changes which were
-<emphasis>not backward compatible</emphasis> with 0.19 and earlier
-versions. Purpose of these changes was to simplify the API, while
-making it more extensible and following common Linux driver API
-conventions.</para>
-
-      <orderedlist>
-	<listitem>
-	  <para>Some typos in <constant>V4L2_FMT_FLAG</constant>
-symbols were fixed. &v4l2-clip; was changed for compatibility with
-v4l. (1999-08-30)</para>
-	</listitem>
-
-	<listitem>
-	  <para><constant>V4L2_TUNER_SUB_LANG1</constant> was added.
-(1999-09-05)</para>
-	</listitem>
-
-	<listitem>
-	  <para>All ioctl() commands that used an integer argument now
-take a pointer to an integer. Where it makes sense, ioctls will return
-the actual new value in the integer pointed to by the argument, a
-common convention in the V4L2 API. The affected ioctls are:
-VIDIOC_PREVIEW, VIDIOC_STREAMON, VIDIOC_STREAMOFF, VIDIOC_S_FREQ,
-VIDIOC_S_INPUT, VIDIOC_S_OUTPUT, VIDIOC_S_EFFECT. For example
-<programlisting>
-err = ioctl (fd, VIDIOC_XXX, V4L2_XXX);
-</programlisting> becomes <programlisting>
-int a = V4L2_XXX; err = ioctl(fd, VIDIOC_XXX, &amp;a);
-</programlisting>
-	  </para>
-	</listitem>
-
-	<listitem>
-	  <para>All the different get- and set-format commands were
-swept into one &VIDIOC-G-FMT; and &VIDIOC-S-FMT; ioctl taking a union
-and a type field selecting the union member as parameter. Purpose is to
-simplify the API by eliminating several ioctls and to allow new and
-driver private data streams without adding new ioctls.</para>
-
-	  <para>This change obsoletes the following ioctls:
-<constant>VIDIOC_S_INFMT</constant>,
-<constant>VIDIOC_G_INFMT</constant>,
-<constant>VIDIOC_S_OUTFMT</constant>,
-<constant>VIDIOC_G_OUTFMT</constant>,
-<constant>VIDIOC_S_VBIFMT</constant> and
-<constant>VIDIOC_G_VBIFMT</constant>. The image format structure
-<structname>v4l2_format</structname> was renamed to &v4l2-pix-format;,
-while &v4l2-format; is now the envelopping structure for all format
-negotiations.</para>
-	</listitem>
-
-	<listitem>
-	  <para>Similar to the changes above, the
-<constant>VIDIOC_G_PARM</constant> and
-<constant>VIDIOC_S_PARM</constant> ioctls were merged with
-<constant>VIDIOC_G_OUTPARM</constant> and
-<constant>VIDIOC_S_OUTPARM</constant>. A
-<structfield>type</structfield> field in the new &v4l2-streamparm;
-selects the respective union member.</para>
-
-	  <para>This change obsoletes the
-<constant>VIDIOC_G_OUTPARM</constant> and
-<constant>VIDIOC_S_OUTPARM</constant> ioctls.</para>
-	</listitem>
-
-	<listitem>
-	  <para>Control enumeration was simplified, and two new
-control flags were introduced and one dropped. The
-<structfield>catname</structfield> field was replaced by a
-<structfield>group</structfield> field.</para>
-
-	  <para>Drivers can now flag unsupported and temporarily
-unavailable controls with <constant>V4L2_CTRL_FLAG_DISABLED</constant>
-and <constant>V4L2_CTRL_FLAG_GRABBED</constant> respectively. The
-<structfield>group</structfield> name indicates a possibly narrower
-classification than the <structfield>category</structfield>. In other
-words, there may be multiple groups within a category. Controls within
-a group would typically be drawn within a group box. Controls in
-different categories might have a greater separation, or may even
-appear in separate windows.</para>
-	</listitem>
-
-	<listitem>
-	  <para>The &v4l2-buffer; <structfield>timestamp</structfield>
-was changed to a 64 bit integer, containing the sampling or output
-time of the frame in nanoseconds. Additionally timestamps will be in
-absolute system time, not starting from zero at the beginning of a
-stream. The data type name for timestamps is stamp_t, defined as a
-signed 64-bit integer. Output devices should not send a buffer out
-until the time in the timestamp field has arrived. I would like to
-follow SGI's lead, and adopt a multimedia timestamping system like
-their UST (Unadjusted System Time). See
-http://web.archive.org/web/*/http://reality.sgi.com
-/cpirazzi_engr/lg/time/intro.html.
-UST uses timestamps that are 64-bit signed integers
-(not struct timeval's) and given in nanosecond units. The UST clock
-starts at zero when the system is booted and runs continuously and
-uniformly. It takes a little over 292 years for UST to overflow. There
-is no way to set the UST clock. The regular Linux time-of-day clock
-can be changed periodically, which would cause errors if it were being
-used for timestamping a multimedia stream. A real UST style clock will
-require some support in the kernel that is not there yet. But in
-anticipation, I will change the timestamp field to a 64-bit integer,
-and I will change the v4l2_masterclock_gettime() function (used only
-by drivers) to return a 64-bit integer.</para>
-	</listitem>
-
-	<listitem>
-	  <para>A <structfield>sequence</structfield> field was added
-to &v4l2-buffer;. The <structfield>sequence</structfield> field counts
-captured frames, it is ignored by output devices. When a capture
-driver drops a frame, the sequence number of that frame is
-skipped.</para>
-	</listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 Version 0.20 incremental changes</title>
-      <!-- Version number didn't change anymore, reason unknown. -->
-
-      <para>1999-12-23: In &v4l2-vbi-format; the
-<structfield>reserved1</structfield> field became
-<structfield>offset</structfield>. Previously drivers were required to
-clear the <structfield>reserved1</structfield> field.</para>
-
-      <para>2000-01-13: The
-      <constant>V4L2_FMT_FLAG_NOT_INTERLACED</constant> flag was added.</para>
-
-      <para>2000-07-31: The <filename>linux/poll.h</filename> header
-is now included by <filename>videodev.h</filename> for compatibility
-with the original <filename>videodev.h</filename> file.</para>
-
-      <para>2000-11-20: <constant>V4L2_TYPE_VBI_OUTPUT</constant> and
-<constant>V4L2_PIX_FMT_Y41P</constant> were added.</para>
-
-      <para>2000-11-25: <constant>V4L2_TYPE_VBI_INPUT</constant> was
-added.</para>
-
-      <para>2000-12-04: A couple typos in symbol names were fixed.</para>
-
-      <para>2001-01-18: To avoid namespace conflicts the
-<constant>fourcc</constant> macro defined in the
-<filename>videodev.h</filename> header file was renamed to
-<constant>v4l2_fourcc</constant>.</para>
-
-      <para>2001-01-25: A possible driver-level compatibility problem
-between the <filename>videodev.h</filename> file in Linux 2.4.0 and
-the <filename>videodev.h</filename> file included in the
-<filename>videodevX</filename> patch was fixed. Users of an earlier
-version of <filename>videodevX</filename> on Linux 2.4.0 should
-recompile their V4L and V4L2 drivers.</para>
-
-      <para>2001-01-26: A possible kernel-level incompatibility
-between the <filename>videodev.h</filename> file in the
-<filename>videodevX</filename> patch and the
-<filename>videodev.h</filename> file in Linux 2.2.x with devfs patches
-applied was fixed.</para>
-
-      <para>2001-03-02: Certain V4L ioctls which pass data in both
-direction although they are defined with read-only parameter, did not
-work correctly through the backward compatibility layer.
-[Solution?]</para>
-
-      <para>2001-04-13: Big endian 16-bit RGB formats were added.</para>
-
-      <para>2001-09-17: New YUV formats and the &VIDIOC-G-FREQUENCY; and
-&VIDIOC-S-FREQUENCY; ioctls were added. (The old
-<constant>VIDIOC_G_FREQ</constant> and
-<constant>VIDIOC_S_FREQ</constant> ioctls did not take multiple tuners
-into account.)</para>
-
-      <para>2000-09-18: <constant>V4L2_BUF_TYPE_VBI</constant> was
-added. This may <emphasis>break compatibility</emphasis> as the
-&VIDIOC-G-FMT; and &VIDIOC-S-FMT; ioctls may fail now if the struct
-<structname>v4l2_fmt</structname> <structfield>type</structfield>
-field does not contain <constant>V4L2_BUF_TYPE_VBI</constant>. In the
-documentation of the &v4l2-vbi-format;
-<structfield>offset</structfield> field the ambiguous phrase "rising
-edge" was changed to "leading edge".</para>
-    </section>
-
-    <section>
-      <title>V4L2 Version 0.20 2000-11-23</title>
-
-      <para>A number of changes were made to the raw VBI
-interface.</para>
-
-      <orderedlist>
-	<listitem>
-	  <para>Figures clarifying the line numbering scheme were
-added to the V4L2 API specification. The
-<structfield>start</structfield>[0] and
-<structfield>start</structfield>[1] fields no longer count line
-numbers beginning at zero. Rationale: a) The previous definition was
-unclear. b) The <structfield>start</structfield>[] values are ordinal
-numbers. c) There is no point in inventing a new line numbering
-scheme. We now use line number as defined by ITU-R, period.
-Compatibility: Add one to the start values. Applications depending on
-the previous semantics may not function correctly.</para>
-	</listitem>
-
-	<listitem>
-	  <para>The restriction "count[0] &gt; 0 and count[1] &gt; 0"
-has been relaxed  to "(count[0] + count[1]) &gt; 0". Rationale:
-Drivers may allocate resources at scan line granularity and some data
-services are transmitted only on the first field. The comment that
-both <structfield>count</structfield> values will usually be equal is
-misleading and pointless and has been removed. This change
-<emphasis>breaks compatibility</emphasis> with earlier versions:
-Drivers may return EINVAL, applications may not function
-correctly.</para>
-	</listitem>
-
-	<listitem>
-	  <para>Drivers are again permitted to return negative
-(unknown) start values as proposed earlier. Why this feature was
-dropped is unclear. This change may <emphasis>break
-compatibility</emphasis> with applications depending on the start
-values being positive. The use of <constant>EBUSY</constant> and
-<constant>EINVAL</constant> error codes with the &VIDIOC-S-FMT; ioctl
-was clarified. The &EBUSY; was finally documented, and the
-<structfield>reserved2</structfield> field which was previously
-mentioned only in the <filename>videodev.h</filename> header
-file.</para>
-	</listitem>
-
-	<listitem>
-	  <para>New buffer types
-<constant>V4L2_TYPE_VBI_INPUT</constant> and
-<constant>V4L2_TYPE_VBI_OUTPUT</constant> were added. The former is an
-alias for the old <constant>V4L2_TYPE_VBI</constant>, the latter was
-missing in the <filename>videodev.h</filename> file.</para>
-	</listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 Version 0.20 2002-07-25</title>
-      <para>Added sliced VBI interface proposal.</para>
-    </section>
-
-    <section>
-      <title>V4L2 in Linux 2.5.46, 2002-10</title>
-
-      <para>Around October-November 2002, prior to an announced
-feature freeze of Linux 2.5, the API was revised, drawing from
-experience with V4L2 0.20. This unnamed version was finally merged
-into Linux 2.5.46.</para>
-
-      <orderedlist>
-	<listitem>
-	  <para>As specified in <xref linkend="related" />, drivers
-must make related device functions available under all minor device
-numbers.</para>
-	</listitem>
-
-	<listitem>
-	  <para>The &func-open; function requires access mode
-<constant>O_RDWR</constant> regardless of the device type. All V4L2
-drivers exchanging data with applications must support the
-<constant>O_NONBLOCK</constant> flag. The <constant>O_NOIO</constant>
-flag, a V4L2 symbol which aliased the meaningless
-<constant>O_TRUNC</constant> to indicate accesses without data
-exchange (panel applications) was dropped. Drivers must stay in "panel
-mode" until the application attempts to initiate a data exchange, see
-<xref linkend="open" />.</para>
-	</listitem>
-
-	<listitem>
-	  <para>The &v4l2-capability; changed dramatically. Note that
-also the size of the structure changed, which is encoded in the ioctl
-request code, thus older V4L2 devices will respond with an &EINVAL; to
-the new &VIDIOC-QUERYCAP; ioctl.</para>
-
-	  <para>There are new fields to identify the driver, a new RDS
-device function <constant>V4L2_CAP_RDS_CAPTURE</constant>, the
-<constant>V4L2_CAP_AUDIO</constant> flag indicates if the device has
-any audio connectors, another I/O capability
-<constant>V4L2_CAP_ASYNCIO</constant> can be flagged. In response to
-these changes the <structfield>type</structfield> field became a bit
-set and was merged into the <structfield>flags</structfield> field.
-<constant>V4L2_FLAG_TUNER</constant> was renamed to
-<constant>V4L2_CAP_TUNER</constant>,
-<constant>V4L2_CAP_VIDEO_OVERLAY</constant> replaced
-<constant>V4L2_FLAG_PREVIEW</constant> and
-<constant>V4L2_CAP_VBI_CAPTURE</constant> and
-<constant>V4L2_CAP_VBI_OUTPUT</constant> replaced
-<constant>V4L2_FLAG_DATA_SERVICE</constant>.
-<constant>V4L2_FLAG_READ</constant> and
-<constant>V4L2_FLAG_WRITE</constant> were merged into
-<constant>V4L2_CAP_READWRITE</constant>.</para>
-
-	  <para>The redundant fields
-<structfield>inputs</structfield>, <structfield>outputs</structfield>
-and <structfield>audios</structfield> were removed. These properties
-can be determined as described in <xref linkend="video" /> and <xref
-linkend="audio" />.</para>
-
-	  <para>The somewhat volatile and therefore barely useful
-fields <structfield>maxwidth</structfield>,
-<structfield>maxheight</structfield>,
-<structfield>minwidth</structfield>,
-<structfield>minheight</structfield>,
-<structfield>maxframerate</structfield> were removed. This information
-is available as described in <xref linkend="format" /> and
-<xref linkend="standard" />.</para>
-
-	  <para><constant>V4L2_FLAG_SELECT</constant> was removed. We
-believe the select() function is important enough to require support
-of it in all V4L2 drivers exchanging data with applications. The
-redundant <constant>V4L2_FLAG_MONOCHROME</constant> flag was removed,
-this information is available as described in <xref
-	      linkend="format" />.</para>
-	</listitem>
-
-	<listitem>
-	  <para>In &v4l2-input; the
-<structfield>assoc_audio</structfield> field and the
-<structfield>capability</structfield> field and its only flag
-<constant>V4L2_INPUT_CAP_AUDIO</constant> was replaced by the new
-<structfield>audioset</structfield> field. Instead of linking one
-video input to one audio input this field reports all audio inputs
-this video input combines with.</para>
-
-	  <para>New fields are <structfield>tuner</structfield>
-(reversing the former link from tuners to video inputs),
-<structfield>std</structfield> and
-<structfield>status</structfield>.</para>
-
-	  <para>Accordingly &v4l2-output; lost its
-<structfield>capability</structfield> and
-<structfield>assoc_audio</structfield> fields.
-<structfield>audioset</structfield>,
-<structfield>modulator</structfield> and
-<structfield>std</structfield> where added instead.</para>
-	</listitem>
-
-	<listitem>
-	  <para>The &v4l2-audio; field
-<structfield>audio</structfield> was renamed to
-<structfield>index</structfield>, for consistency with other
-structures. A new capability flag
-<constant>V4L2_AUDCAP_STEREO</constant> was added to indicated if the
-audio input in question supports stereo sound.
-<constant>V4L2_AUDCAP_EFFECTS</constant> and the corresponding
-<constant>V4L2_AUDMODE</constant> flags where removed. This can be
-easily implemented using controls. (However the same applies to AVL
-which is still there.)</para>
-
-	  <para>Again for consistency the &v4l2-audioout; field
-<structfield>audio</structfield> was renamed to
-<structfield>index</structfield>.</para>
-	</listitem>
-
-	<listitem>
-	  <para>The &v4l2-tuner;
-<structfield>input</structfield> field was replaced by an
-<structfield>index</structfield> field, permitting devices with
-multiple tuners. The link between video inputs and tuners is now
-reversed, inputs point to their tuner. The
-<structfield>std</structfield> substructure became a
-simple set (more about this below) and moved into &v4l2-input;. A
-<structfield>type</structfield> field was added.</para>
-
-	  <para>Accordingly in &v4l2-modulator; the
-<structfield>output</structfield> was replaced by an
-<structfield>index</structfield> field.</para>
-
-	  <para>In &v4l2-frequency; the
-<structfield>port</structfield> field was replaced by a
-<structfield>tuner</structfield> field containing the respective tuner
-or modulator index number. A tuner <structfield>type</structfield>
-field was added and the <structfield>reserved</structfield> field
-became larger for future extensions (satellite tuners in
-particular).</para>
-	</listitem>
-
-	<listitem>
-	  <para>The idea of completely transparent video standards was
-dropped. Experience showed that applications must be able to work with
-video standards beyond presenting the user a menu. Instead of
-enumerating supported standards with an ioctl applications can now
-refer to standards by &v4l2-std-id; and symbols defined in the
-<filename>videodev2.h</filename> header file. For details see <xref
-	      linkend="standard" />. The &VIDIOC-G-STD; and
-&VIDIOC-S-STD; now take a pointer to this type as argument.
-&VIDIOC-QUERYSTD; was added to autodetect the received standard, if
-the hardware has this capability. In &v4l2-standard; an
-<structfield>index</structfield> field was added for &VIDIOC-ENUMSTD;.
-A &v4l2-std-id; field named <structfield>id</structfield> was added as
-machine readable identifier, also replacing the
-<structfield>transmission</structfield> field. The misleading
-<structfield>framerate</structfield> field was renamed
-to <structfield>frameperiod</structfield>. The now obsolete
-<structfield>colorstandard</structfield> information, originally
-needed to distguish between variations of standards, were
-removed.</para>
-
-	  <para>Struct <structname>v4l2_enumstd</structname> ceased to
-be. &VIDIOC-ENUMSTD; now takes a pointer to a &v4l2-standard;
-directly. The information which standards are supported by a
-particular video input or output moved into &v4l2-input; and
-&v4l2-output; fields named <structfield>std</structfield>,
-respectively.</para>
-	</listitem>
-
-	<listitem>
-	  <para>The &v4l2-queryctrl; fields
-<structfield>category</structfield> and
-<structfield>group</structfield> did not catch on and/or were not
-implemented as expected and therefore removed.</para>
-	</listitem>
-
-	<listitem>
-	  <para>The &VIDIOC-TRY-FMT; ioctl was added to negotiate data
-formats as with &VIDIOC-S-FMT;, but without the overhead of
-programming the hardware and regardless of I/O in progress.</para>
-
-	  <para>In &v4l2-format; the <structfield>fmt</structfield>
-union was extended to contain &v4l2-window;. All image format
-negotiations are now possible with <constant>VIDIOC_G_FMT</constant>,
-<constant>VIDIOC_S_FMT</constant> and
-<constant>VIDIOC_TRY_FMT</constant>; ioctl. The
-<constant>VIDIOC_G_WIN</constant> and
-<constant>VIDIOC_S_WIN</constant> ioctls to prepare for a video
-overlay were removed. The <structfield>type</structfield> field
-changed to type &v4l2-buf-type; and the buffer type names changed as
-follows.<informaltable>
-	      <tgroup cols="2">
-		<thead>
-		  <row>
-		    <entry>Old defines</entry>
-		    <entry>&v4l2-buf-type;</entry>
-		  </row>
-		</thead>
-		<tbody valign="top">
-		  <row>
-		    <entry><constant>V4L2_BUF_TYPE_CAPTURE</constant></entry>
-		    <entry><constant>V4L2_BUF_TYPE_VIDEO_CAPTURE</constant></entry>
-		  </row>
-		  <row>
-		    <entry><constant>V4L2_BUF_TYPE_CODECIN</constant></entry>
-		    <entry>Omitted for now</entry>
-		  </row>
-		  <row>
-		    <entry><constant>V4L2_BUF_TYPE_CODECOUT</constant></entry>
-		    <entry>Omitted for now</entry>
-		  </row>
-		  <row>
-		    <entry><constant>V4L2_BUF_TYPE_EFFECTSIN</constant></entry>
-		    <entry>Omitted for now</entry>
-		  </row>
-		  <row>
-		    <entry><constant>V4L2_BUF_TYPE_EFFECTSIN2</constant></entry>
-		    <entry>Omitted for now</entry>
-		  </row>
-		  <row>
-		    <entry><constant>V4L2_BUF_TYPE_EFFECTSOUT</constant></entry>
-		    <entry>Omitted for now</entry>
-		  </row>
-		  <row>
-		    <entry><constant>V4L2_BUF_TYPE_VIDEOOUT</constant></entry>
-		    <entry><constant>V4L2_BUF_TYPE_VIDEO_OUTPUT</constant></entry>
-		  </row>
-		  <row>
-		    <entry><constant>-</constant></entry>
-		    <entry><constant>V4L2_BUF_TYPE_VIDEO_OVERLAY</constant></entry>
-		  </row>
-		  <row>
-		    <entry><constant>-</constant></entry>
-		    <entry><constant>V4L2_BUF_TYPE_VBI_CAPTURE</constant></entry>
-		  </row>
-		  <row>
-		    <entry><constant>-</constant></entry>
-		    <entry><constant>V4L2_BUF_TYPE_VBI_OUTPUT</constant></entry>
-		  </row>
-		  <row>
-		    <entry><constant>-</constant></entry>
-		    <entry><constant>V4L2_BUF_TYPE_SLICED_VBI_CAPTURE</constant></entry>
-		  </row>
-		  <row>
-		    <entry><constant>-</constant></entry>
-		    <entry><constant>V4L2_BUF_TYPE_SLICED_VBI_OUTPUT</constant></entry>
-		  </row>
-		  <row>
-		    <entry><constant>V4L2_BUF_TYPE_PRIVATE_BASE</constant></entry>
-		    <entry><constant>V4L2_BUF_TYPE_PRIVATE</constant> (but this is deprecated)</entry>
-		  </row>
-		</tbody>
-	      </tgroup>
-	    </informaltable></para>
-	</listitem>
-
-	<listitem>
-	  <para>In &v4l2-fmtdesc; a &v4l2-buf-type; field named
-<structfield>type</structfield> was added as in &v4l2-format;. The
-<constant>VIDIOC_ENUM_FBUFFMT</constant> ioctl is no longer needed and
-was removed. These calls can be replaced by &VIDIOC-ENUM-FMT; with
-type <constant>V4L2_BUF_TYPE_VIDEO_OVERLAY</constant>.</para>
-	</listitem>
-
-	<listitem>
-	  <para>In &v4l2-pix-format; the
-<structfield>depth</structfield> field was removed, assuming
-applications which recognize the format by its four-character-code
-already know the color depth, and others do not care about it. The
-same rationale lead to the removal of the
-<constant>V4L2_FMT_FLAG_COMPRESSED</constant> flag. The
-<constant>V4L2_FMT_FLAG_SWCONVECOMPRESSED</constant> flag was removed
-because drivers are not supposed to convert images in kernel space. A
-user library of conversion functions should be provided instead. The
-<constant>V4L2_FMT_FLAG_BYTESPERLINE</constant> flag was redundant.
-Applications can set the <structfield>bytesperline</structfield> field
-to zero to get a reasonable default. Since the remaining flags were
-replaced as well, the <structfield>flags</structfield> field itself
-was removed.</para>
-	  <para>The interlace flags were replaced by a &v4l2-field;
-value in a newly added <structfield>field</structfield>
-field.<informaltable>
-	      <tgroup cols="2">
-		<thead>
-		  <row>
-		    <entry>Old flag</entry>
-		    <entry>&v4l2-field;</entry>
-		  </row>
-		</thead>
-		<tbody valign="top">
-		  <row>
-		    <entry><constant>V4L2_FMT_FLAG_NOT_INTERLACED</constant></entry>
-		    <entry>?</entry>
-		  </row>
-		  <row>
-		    <entry><constant>V4L2_FMT_FLAG_INTERLACED</constant>
-= <constant>V4L2_FMT_FLAG_COMBINED</constant></entry>
-		    <entry><constant>V4L2_FIELD_INTERLACED</constant></entry>
-		  </row>
-		  <row>
-		    <entry><constant>V4L2_FMT_FLAG_TOPFIELD</constant>
-= <constant>V4L2_FMT_FLAG_ODDFIELD</constant></entry>
-		    <entry><constant>V4L2_FIELD_TOP</constant></entry>
-		  </row>
-		  <row>
-		    <entry><constant>V4L2_FMT_FLAG_BOTFIELD</constant>
-= <constant>V4L2_FMT_FLAG_EVENFIELD</constant></entry>
-		    <entry><constant>V4L2_FIELD_BOTTOM</constant></entry>
-		  </row>
-		  <row>
-		    <entry><constant>-</constant></entry>
-		    <entry><constant>V4L2_FIELD_SEQ_TB</constant></entry>
-		  </row>
-		  <row>
-		    <entry><constant>-</constant></entry>
-		    <entry><constant>V4L2_FIELD_SEQ_BT</constant></entry>
-		  </row>
-		  <row>
-		    <entry><constant>-</constant></entry>
-		    <entry><constant>V4L2_FIELD_ALTERNATE</constant></entry>
-		  </row>
-		</tbody>
-	      </tgroup>
-	    </informaltable></para>
-
-	  <para>The color space flags were replaced by a
-&v4l2-colorspace; value in a newly added
-<structfield>colorspace</structfield> field, where one of
-<constant>V4L2_COLORSPACE_SMPTE170M</constant>,
-<constant>V4L2_COLORSPACE_BT878</constant>,
-<constant>V4L2_COLORSPACE_470_SYSTEM_M</constant> or
-<constant>V4L2_COLORSPACE_470_SYSTEM_BG</constant> replaces
-<constant>V4L2_FMT_CS_601YUV</constant>.</para>
-	</listitem>
-
-	<listitem>
-	  <para>In &v4l2-requestbuffers; the
-<structfield>type</structfield> field was properly defined as
-&v4l2-buf-type;. Buffer types changed as mentioned above. A new
-<structfield>memory</structfield> field of type &v4l2-memory; was
-added to distinguish between I/O methods using buffers allocated
-by the driver or the application. See <xref linkend="io" /> for
-details.</para>
-	</listitem>
-
-	<listitem>
-	  <para>In &v4l2-buffer; the <structfield>type</structfield>
-field was properly defined as &v4l2-buf-type;. Buffer types changed as
-mentioned above. A <structfield>field</structfield> field of type
-&v4l2-field; was added to indicate if a buffer contains a top or
-bottom field. The old field flags were removed. Since no unadjusted
-system time clock was added to the kernel as planned, the
-<structfield>timestamp</structfield> field changed back from type
-stamp_t, an unsigned 64 bit integer expressing the sample time in
-nanoseconds, to struct <structname>timeval</structname>. With the
-addition of a second memory mapping method the
-<structfield>offset</structfield> field moved into union
-<structfield>m</structfield>, and a new
-<structfield>memory</structfield> field of type &v4l2-memory; was
-added to distinguish between I/O methods. See <xref linkend="io" />
-for details.</para>
-
-	  <para>The <constant>V4L2_BUF_REQ_CONTIG</constant>
-flag was used by the V4L compatibility layer, after changes to this
-code it was no longer needed. The
-<constant>V4L2_BUF_ATTR_DEVICEMEM</constant> flag would indicate if
-the buffer was indeed allocated in device memory rather than DMA-able
-system memory. It was barely useful and so was removed.</para>
-	</listitem>
-
-	<listitem>
-	  <para>In &v4l2-framebuffer; the
-<structfield>base[3]</structfield> array anticipating double- and
-triple-buffering in off-screen video memory, however without defining
-a synchronization mechanism, was replaced by a single pointer. The
-<constant>V4L2_FBUF_CAP_SCALEUP</constant> and
-<constant>V4L2_FBUF_CAP_SCALEDOWN</constant> flags were removed.
-Applications can determine this capability more accurately using the
-new cropping and scaling interface. The
-<constant>V4L2_FBUF_CAP_CLIPPING</constant> flag was replaced by
-<constant>V4L2_FBUF_CAP_LIST_CLIPPING</constant> and
-<constant>V4L2_FBUF_CAP_BITMAP_CLIPPING</constant>.</para>
-	</listitem>
-
-	<listitem>
-	  <para>In &v4l2-clip; the <structfield>x</structfield>,
-<structfield>y</structfield>, <structfield>width</structfield> and
-<structfield>height</structfield> field moved into a
-<structfield>c</structfield> substructure of type &v4l2-rect;. The
-<structfield>x</structfield> and <structfield>y</structfield> fields
-were renamed to <structfield>left</structfield> and
-<structfield>top</structfield>, &ie; offsets to a context dependent
-origin.</para>
-	</listitem>
-
-	<listitem>
-	  <para>In &v4l2-window; the <structfield>x</structfield>,
-<structfield>y</structfield>, <structfield>width</structfield> and
-<structfield>height</structfield> field moved into a
-<structfield>w</structfield> substructure as above. A
-<structfield>field</structfield> field of type %v4l2-field; was added
-to distinguish between field and frame (interlaced) overlay.</para>
-	</listitem>
-
-	<listitem>
-	  <para>The digital zoom interface, including struct
-<structname>v4l2_zoomcap</structname>, struct
-<structname>v4l2_zoom</structname>,
-<constant>V4L2_ZOOM_NONCAP</constant> and
-<constant>V4L2_ZOOM_WHILESTREAMING</constant> was replaced by a new
-cropping and scaling interface. The previously unused struct
-<structname>v4l2_cropcap</structname> and
-<structname>v4l2_crop</structname> where redefined for this purpose.
-See <xref linkend="crop" /> for details.</para>
-	</listitem>
-
-	<listitem>
-	  <para>In &v4l2-vbi-format; the
-<structfield>SAMPLE_FORMAT</structfield> field now contains a
-four-character-code as used to identify video image formats and
-<constant>V4L2_PIX_FMT_GREY</constant> replaces the
-<constant>V4L2_VBI_SF_UBYTE</constant> define. The
-<structfield>reserved</structfield> field was extended.</para>
-	</listitem>
-
-	<listitem>
-	  <para>In &v4l2-captureparm; the type of the
-<structfield>timeperframe</structfield> field changed from unsigned
-long to &v4l2-fract;. This allows the accurate expression of multiples
-of the NTSC-M frame rate 30000 / 1001. A new field
-<structfield>readbuffers</structfield> was added to control the driver
-behaviour in read I/O mode.</para>
-
-	  <para>Similar changes were made to &v4l2-outputparm;.</para>
-	</listitem>
-
-	<listitem>
-	  <para>The struct <structname>v4l2_performance</structname>
-and <constant>VIDIOC_G_PERF</constant> ioctl were dropped. Except when
-using the <link linkend="rw">read/write I/O method</link>, which is
-limited anyway, this information is already available to
-applications.</para>
-	</listitem>
-
-	<listitem>
-	  <para>The example transformation from RGB to YCbCr color
-space in the old V4L2 documentation was inaccurate, this has been
-corrected in <xref linkend="pixfmt" />.<!-- 0.5670G should be
-0.587, and 127/112 != 255/224 --></para>
-	</listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 2003-06-19</title>
-
-      <orderedlist>
-	<listitem>
-	  <para>A new capability flag
-<constant>V4L2_CAP_RADIO</constant> was added for radio devices. Prior
-to this change radio devices would identify solely by having exactly one
-tuner whose type field reads <constant>V4L2_TUNER_RADIO</constant>.</para>
-	</listitem>
-
-	<listitem>
-	  <para>An optional driver access priority mechanism was
-added, see <xref linkend="app-pri" /> for details.</para>
-	</listitem>
-
-	<listitem>
-	  <para>The audio input and output interface was found to be
-incomplete.</para>
-	  <para>Previously the &VIDIOC-G-AUDIO;
-ioctl would enumerate the available audio inputs. An ioctl to
-determine the current audio input, if more than one combines with the
-current video input, did not exist. So
-<constant>VIDIOC_G_AUDIO</constant> was renamed to
-<constant>VIDIOC_G_AUDIO_OLD</constant>, this ioctl was removed on
-Kernel 2.6.39. The &VIDIOC-ENUMAUDIO; ioctl was added to enumerate
-audio inputs, while &VIDIOC-G-AUDIO; now reports the current audio
-input.</para>
-	  <para>The same changes were made to &VIDIOC-G-AUDOUT; and
-&VIDIOC-ENUMAUDOUT;.</para>
-	  <para>Until further the "videodev" module will automatically
-translate between the old and new ioctls, but drivers and applications
-must be updated to successfully compile again.</para>
-	</listitem>
-
-	<listitem>
-	  <para>The &VIDIOC-OVERLAY; ioctl was incorrectly defined with
-write-read parameter. It was changed to write-only, while the write-read
-version was renamed to <constant>VIDIOC_OVERLAY_OLD</constant>. The old
-ioctl was removed on Kernel 2.6.39. Until further the "videodev"
-kernel module will automatically translate to the new version, so drivers
-must be recompiled, but not applications.</para>
-	</listitem>
-
-	<listitem>
-	  <para><xref linkend="overlay" /> incorrectly stated that
-clipping rectangles define regions where the video can be seen.
-Correct is that clipping rectangles define regions where
-<emphasis>no</emphasis> video shall be displayed and so the graphics
-surface can be seen.</para>
-	</listitem>
-
-	<listitem>
-	  <para>The &VIDIOC-S-PARM; and &VIDIOC-S-CTRL; ioctls were
-defined with write-only parameter, inconsistent with other ioctls
-modifying their argument. They were changed to write-read, while a
-<constant>_OLD</constant> suffix was added to the write-only versions.
-The old ioctls were removed on Kernel 2.6.39. Drivers and
-applications assuming a constant parameter need an update.</para>
-	</listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 2003-11-05</title>
-      <orderedlist>
-	<listitem>
-	  <para>In <xref linkend="pixfmt-rgb" /> the following pixel
-formats were incorrectly transferred from Bill Dirks' V4L2
-specification. Descriptions below refer to bytes in memory, in
-ascending address order.<informaltable>
-	      <tgroup cols="3">
-		<thead>
-		  <row>
-		    <entry>Symbol</entry>
-		    <entry>In this document prior to revision
-0.5</entry>
-		    <entry>Corrected</entry>
-		  </row>
-		</thead>
-		<tbody valign="top">
-		  <row>
-		    <entry><constant>V4L2_PIX_FMT_RGB24</constant></entry>
-		    <entry>B, G, R</entry>
-		    <entry>R, G, B</entry>
-		  </row>
-		  <row>
-		    <entry><constant>V4L2_PIX_FMT_BGR24</constant></entry>
-		    <entry>R, G, B</entry>
-		    <entry>B, G, R</entry>
-		  </row>
-		  <row>
-		    <entry><constant>V4L2_PIX_FMT_RGB32</constant></entry>
-		    <entry>B, G, R, X</entry>
-		    <entry>R, G, B, X</entry>
-		  </row>
-		  <row>
-		    <entry><constant>V4L2_PIX_FMT_BGR32</constant></entry>
-		    <entry>R, G, B, X</entry>
-		    <entry>B, G, R, X</entry>
-		  </row>
-		</tbody>
-	      </tgroup>
-	    </informaltable> The
-<constant>V4L2_PIX_FMT_BGR24</constant> example was always
-correct.</para>
-	  <para>In <xref linkend="v4l-image-properties" /> the mapping
-of the V4L <constant>VIDEO_PALETTE_RGB24</constant> and
-<constant>VIDEO_PALETTE_RGB32</constant> formats to V4L2 pixel formats
-was accordingly corrected.</para>
-	</listitem>
-
-	<listitem>
-	  <para>Unrelated to the fixes above, drivers may still
-interpret some V4L2 RGB pixel formats differently. These issues have
-yet to be addressed, for details see <xref
-	      linkend="pixfmt-rgb" />.</para>
-	</listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 in Linux 2.6.6, 2004-05-09</title>
-      <orderedlist>
-	<listitem>
-	  <para>The &VIDIOC-CROPCAP; ioctl was incorrectly defined
-with read-only parameter. It is now defined as write-read ioctl, while
-the read-only version was renamed to
-<constant>VIDIOC_CROPCAP_OLD</constant>. The old ioctl was removed
-on Kernel 2.6.39.</para>
-	</listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 in Linux 2.6.8</title>
-      <orderedlist>
-	<listitem>
-	  <para>A new field <structfield>input</structfield> (former
-<structfield>reserved[0]</structfield>) was added to the &v4l2-buffer;
-structure. Purpose of this field is to alternate between video inputs
-(&eg; cameras) in step with the video capturing process. This function
-must be enabled with the new <constant>V4L2_BUF_FLAG_INPUT</constant>
-flag. The <structfield>flags</structfield> field is no longer
-read-only.</para>
-	</listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 spec erratum 2004-08-01</title>
-
-      <orderedlist>
-	<listitem>
-	  <para>The return value of the
-<xref linkend="func-open" /> function was incorrectly documented.</para>
-	</listitem>
-
-	<listitem>
-	  <para>Audio output ioctls end in -AUDOUT, not -AUDIOOUT.</para>
-	</listitem>
-
-	<listitem>
-	  <para>In the Current Audio Input example the
-<constant>VIDIOC_G_AUDIO</constant> ioctl took the wrong
-argument.</para>
-	</listitem>
-
-	<listitem>
-	  <para>The documentation of the &VIDIOC-QBUF; and
-&VIDIOC-DQBUF; ioctls did not mention the &v4l2-buffer;
-<structfield>memory</structfield> field. It was also missing from
-examples. Also on the <constant>VIDIOC_DQBUF</constant> page the &EIO;
-was not documented.</para>
-	</listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 in Linux 2.6.14</title>
-      <orderedlist>
-	<listitem>
-	  <para>A new sliced VBI interface was added. It is documented
-in <xref linkend="sliced" /> and replaces the interface first
-proposed in V4L2 specification 0.8.</para>
-	</listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 in Linux 2.6.15</title>
-      <orderedlist>
-	<listitem>
-	  <para>The &VIDIOC-LOG-STATUS; ioctl was added.</para>
-	</listitem>
-
-	<listitem>
-	  <para>New video standards
-<constant>V4L2_STD_NTSC_443</constant>,
-<constant>V4L2_STD_SECAM_LC</constant>,
-<constant>V4L2_STD_SECAM_DK</constant> (a set of SECAM D, K and K1),
-and <constant>V4L2_STD_ATSC</constant> (a set of
-<constant>V4L2_STD_ATSC_8_VSB</constant> and
-<constant>V4L2_STD_ATSC_16_VSB</constant>) were defined. Note the
-<constant>V4L2_STD_525_60</constant> set now includes
-<constant>V4L2_STD_NTSC_443</constant>. See also <xref
-	      linkend="v4l2-std-id" />.</para>
-	</listitem>
-
-	<listitem>
-	  <para>The <constant>VIDIOC_G_COMP</constant> and
-<constant>VIDIOC_S_COMP</constant> ioctl were renamed to
-<constant>VIDIOC_G_MPEGCOMP</constant> and
-<constant>VIDIOC_S_MPEGCOMP</constant> respectively. Their argument
-was replaced by a struct
-<structname>v4l2_mpeg_compression</structname> pointer. (The
-<constant>VIDIOC_G_MPEGCOMP</constant> and
-<constant>VIDIOC_S_MPEGCOMP</constant> ioctls where removed in Linux
-2.6.25.)</para>
-	</listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 spec erratum 2005-11-27</title>
-      <para>The capture example in <xref linkend="capture-example" />
-called the &VIDIOC-S-CROP; ioctl without checking if cropping is
-supported. In the video standard selection example in
-<xref linkend="standard" /> the &VIDIOC-S-STD; call used the wrong
-argument type.</para>
-    </section>
-
-    <section>
-      <title>V4L2 spec erratum 2006-01-10</title>
-      <orderedlist>
-	<listitem>
-	  <para>The <constant>V4L2_IN_ST_COLOR_KILL</constant> flag in
-&v4l2-input; not only indicates if the color killer is enabled, but
-also if it is active. (The color killer disables color decoding when
-it detects no color in the video signal to improve the image
-quality.)</para>
-	</listitem>
-
-	<listitem>
-	  <para>&VIDIOC-S-PARM; is a write-read ioctl, not write-only as
-stated on its reference page. The ioctl changed in 2003 as noted above.</para>
-	</listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 spec erratum 2006-02-03</title>
-      <orderedlist>
-	<listitem>
-	  <para>In &v4l2-captureparm; and &v4l2-outputparm; the
-<structfield>timeperframe</structfield> field gives the time in
-seconds, not microseconds.</para>
-	</listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 spec erratum 2006-02-04</title>
-      <orderedlist>
-	<listitem>
-	  <para>The <structfield>clips</structfield> field in
-&v4l2-window; must point to an array of &v4l2-clip;, not a linked
-list, because drivers ignore the struct
-<structname>v4l2_clip</structname>.<structfield>next</structfield>
-pointer.</para>
-	</listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 in Linux 2.6.17</title>
-      <orderedlist>
-	<listitem>
-	  <para>New video standard macros were added:
-<constant>V4L2_STD_NTSC_M_KR</constant> (NTSC M South Korea), and the
-sets <constant>V4L2_STD_MN</constant>,
-<constant>V4L2_STD_B</constant>, <constant>V4L2_STD_GH</constant> and
-<constant>V4L2_STD_DK</constant>. The
-<constant>V4L2_STD_NTSC</constant> and
-<constant>V4L2_STD_SECAM</constant> sets now include
-<constant>V4L2_STD_NTSC_M_KR</constant> and
-<constant>V4L2_STD_SECAM_LC</constant> respectively.</para>
-	</listitem>
-
-	<listitem>
-	  <para>A new <constant>V4L2_TUNER_MODE_LANG1_LANG2</constant>
-was defined to record both languages of a bilingual program. The
-use of <constant>V4L2_TUNER_MODE_STEREO</constant> for this purpose
-is deprecated now. See the &VIDIOC-G-TUNER; section for
-details.</para>
-	</listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 spec erratum 2006-09-23 (Draft 0.15)</title>
-      <orderedlist>
-	<listitem>
-	  <para>In various places
-<constant>V4L2_BUF_TYPE_SLICED_VBI_CAPTURE</constant> and
-<constant>V4L2_BUF_TYPE_SLICED_VBI_OUTPUT</constant> of the sliced VBI
-interface were not mentioned along with other buffer types.</para>
-	</listitem>
-
-	<listitem>
-	  <para>In <xref linkend="vidioc-g-audio" /> it was clarified
-that the &v4l2-audio; <structfield>mode</structfield> field is a flags
-field.</para>
-	</listitem>
-
-	<listitem>
-	  <para><xref linkend="vidioc-querycap" /> did not mention the
-sliced VBI and radio capability flags.</para>
-	</listitem>
-
-	<listitem>
-	  <para>In <xref linkend="vidioc-g-frequency" /> it was
-clarified that applications must initialize the tuner
-<structfield>type</structfield> field of &v4l2-frequency; before
-calling &VIDIOC-S-FREQUENCY;.</para>
-	</listitem>
-
-	<listitem>
-	  <para>The <structfield>reserved</structfield> array
-in &v4l2-requestbuffers; has 2 elements, not 32.</para>
-	</listitem>
-
-	<listitem>
-	  <para>In <xref linkend="output" /> and <xref
-	      linkend="raw-vbi" /> the device file names
-<filename>/dev/vout</filename> which never caught on were replaced
-by <filename>/dev/video</filename>.</para>
-	</listitem>
-
-	<listitem>
-	  <para>With Linux 2.6.15 the possible range for VBI device minor
-numbers was extended from 224-239 to 224-255. Accordingly device file names
-<filename>/dev/vbi0</filename> to <filename>/dev/vbi31</filename> are
-possible now.</para>
-	</listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 in Linux 2.6.18</title>
-      <orderedlist>
-	<listitem>
-	  <para>New ioctls &VIDIOC-G-EXT-CTRLS;, &VIDIOC-S-EXT-CTRLS;
-and &VIDIOC-TRY-EXT-CTRLS; were added, a flag to skip unsupported
-controls with &VIDIOC-QUERYCTRL;, new control types
-<constant>V4L2_CTRL_TYPE_INTEGER64</constant> and
-<constant>V4L2_CTRL_TYPE_CTRL_CLASS</constant> (<xref
-	      linkend="v4l2-ctrl-type" />), and new control flags
-<constant>V4L2_CTRL_FLAG_READ_ONLY</constant>,
-<constant>V4L2_CTRL_FLAG_UPDATE</constant>,
-<constant>V4L2_CTRL_FLAG_INACTIVE</constant> and
-<constant>V4L2_CTRL_FLAG_SLIDER</constant> (<xref
-	      linkend="control-flags" />). See <xref
-	      linkend="extended-controls" /> for details.</para>
-	</listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 in Linux 2.6.19</title>
-      <orderedlist>
-	<listitem>
-	  <para>In &v4l2-sliced-vbi-cap; a buffer type field was added
-replacing a reserved field. Note on architectures where the size of
-enum types differs from int types the size of the structure changed.
-The &VIDIOC-G-SLICED-VBI-CAP; ioctl was redefined from being read-only
-to write-read. Applications must initialize the type field and clear
-the reserved fields now. These changes may <emphasis>break the
-compatibility</emphasis> with older drivers and applications.</para>
-	</listitem>
-
-	<listitem>
-	  <para>The ioctls &VIDIOC-ENUM-FRAMESIZES; and
-&VIDIOC-ENUM-FRAMEINTERVALS; were added.</para>
-	</listitem>
-
-	<listitem>
-	  <para>A new pixel format <constant>V4L2_PIX_FMT_RGB444</constant> (<xref
-linkend="rgb-formats" />) was added.</para>
-	</listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 spec erratum 2006-10-12 (Draft 0.17)</title>
-      <orderedlist>
-	<listitem>
-	  <para><constant>V4L2_PIX_FMT_HM12</constant> (<xref
-linkend="reserved-formats" />) is a YUV 4:2:0, not 4:2:2 format.</para>
-	</listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 in Linux 2.6.21</title>
-      <orderedlist>
-	<listitem>
-	  <para>The <filename>videodev2.h</filename> header file is
-now dual licensed under GNU General Public License version two or
-later, and under a 3-clause BSD-style license.</para>
-	</listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 in Linux 2.6.22</title>
-      <orderedlist>
-	<listitem>
-	  <para>Two new field orders
-	  <constant>V4L2_FIELD_INTERLACED_TB</constant> and
-	  <constant>V4L2_FIELD_INTERLACED_BT</constant> were
-	  added. See <xref linkend="v4l2-field" /> for details.</para>
-	</listitem>
-
-	<listitem>
-	  <para>Three new clipping/blending methods with a global or
-straight or inverted local alpha value were added to the video overlay
-interface. See the description of the &VIDIOC-G-FBUF; and
-&VIDIOC-S-FBUF; ioctls for details.</para>
-	  <para>A new <structfield>global_alpha</structfield> field
-was added to <link
-linkend="v4l2-window"><structname>v4l2_window</structname></link>,
-extending the structure. This may <emphasis>break
-compatibility</emphasis> with applications using a struct
-<structname>v4l2_window</structname> directly. However the <link
-linkend="vidioc-g-fmt">VIDIOC_G/S/TRY_FMT</link> ioctls, which take a
-pointer to a <link linkend="v4l2-format">v4l2_format</link> parent
-structure with padding bytes at the end, are not affected.</para>
-	</listitem>
-
-	<listitem>
-	  <para>The format of the <structfield>chromakey</structfield>
-field in &v4l2-window; changed from "host order RGB32" to a pixel
-value in the same format as the framebuffer. This may <emphasis>break
-compatibility</emphasis> with existing applications. Drivers
-supporting the "host order RGB32" format are not known.</para>
-	</listitem>
-
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 in Linux 2.6.24</title>
-      <orderedlist>
-	<listitem>
-	  <para>The pixel formats
-<constant>V4L2_PIX_FMT_PAL8</constant>,
-<constant>V4L2_PIX_FMT_YUV444</constant>,
-<constant>V4L2_PIX_FMT_YUV555</constant>,
-<constant>V4L2_PIX_FMT_YUV565</constant> and
-<constant>V4L2_PIX_FMT_YUV32</constant> were added.</para>
-	</listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 in Linux 2.6.25</title>
-      <orderedlist>
-	<listitem>
-	  <para>The pixel formats <link linkend="V4L2-PIX-FMT-Y16">
-<constant>V4L2_PIX_FMT_Y16</constant></link> and <link
-linkend="V4L2-PIX-FMT-SBGGR16">
-<constant>V4L2_PIX_FMT_SBGGR16</constant></link> were added.</para>
-	</listitem>
-	<listitem>
-	  <para>New <link linkend="control">controls</link>
-<constant>V4L2_CID_POWER_LINE_FREQUENCY</constant>,
-<constant>V4L2_CID_HUE_AUTO</constant>,
-<constant>V4L2_CID_WHITE_BALANCE_TEMPERATURE</constant>,
-<constant>V4L2_CID_SHARPNESS</constant> and
-<constant>V4L2_CID_BACKLIGHT_COMPENSATION</constant> were added. The
-controls <constant>V4L2_CID_BLACK_LEVEL</constant>,
-<constant>V4L2_CID_WHITENESS</constant>,
-<constant>V4L2_CID_HCENTER</constant> and
-<constant>V4L2_CID_VCENTER</constant> were deprecated.
-</para>
-	</listitem>
-	<listitem>
-	  <para>A <link linkend="camera-controls">Camera controls
-class</link> was added, with the new controls
-<constant>V4L2_CID_EXPOSURE_AUTO</constant>,
-<constant>V4L2_CID_EXPOSURE_ABSOLUTE</constant>,
-<constant>V4L2_CID_EXPOSURE_AUTO_PRIORITY</constant>,
-<constant>V4L2_CID_PAN_RELATIVE</constant>,
-<constant>V4L2_CID_TILT_RELATIVE</constant>,
-<constant>V4L2_CID_PAN_RESET</constant>,
-<constant>V4L2_CID_TILT_RESET</constant>,
-<constant>V4L2_CID_PAN_ABSOLUTE</constant>,
-<constant>V4L2_CID_TILT_ABSOLUTE</constant>,
-<constant>V4L2_CID_FOCUS_ABSOLUTE</constant>,
-<constant>V4L2_CID_FOCUS_RELATIVE</constant> and
-<constant>V4L2_CID_FOCUS_AUTO</constant>.</para>
-	</listitem>
-	<listitem>
-	  <para>The <constant>VIDIOC_G_MPEGCOMP</constant> and
-<constant>VIDIOC_S_MPEGCOMP</constant> ioctls, which were superseded
-by the <link linkend="extended-controls">extended controls</link>
-interface in Linux 2.6.18, where finally removed from the
-<filename>videodev2.h</filename> header file.</para>
-	</listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 in Linux 2.6.26</title>
-      <orderedlist>
-	<listitem>
-	  <para>The pixel formats
-<constant>V4L2_PIX_FMT_Y16</constant> and
-<constant>V4L2_PIX_FMT_SBGGR16</constant> were added.</para>
-	</listitem>
-	<listitem>
-	  <para>Added user controls
-<constant>V4L2_CID_CHROMA_AGC</constant> and
-<constant>V4L2_CID_COLOR_KILLER</constant>.</para>
-	</listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 in Linux 2.6.27</title>
-      <orderedlist>
-	<listitem>
-	  <para>The &VIDIOC-S-HW-FREQ-SEEK; ioctl and the
-<constant>V4L2_CAP_HW_FREQ_SEEK</constant> capability were added.</para>
-	</listitem>
-	<listitem>
-	  <para>The pixel formats
-<constant>V4L2_PIX_FMT_YVYU</constant>,
-<constant>V4L2_PIX_FMT_PCA501</constant>,
-<constant>V4L2_PIX_FMT_PCA505</constant>,
-<constant>V4L2_PIX_FMT_PCA508</constant>,
-<constant>V4L2_PIX_FMT_PCA561</constant>,
-<constant>V4L2_PIX_FMT_SGBRG8</constant>,
-<constant>V4L2_PIX_FMT_PAC207</constant> and
-<constant>V4L2_PIX_FMT_PJPG</constant> were added.</para>
-	</listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 in Linux 2.6.28</title>
-      <orderedlist>
-	<listitem>
-	  <para>Added <constant>V4L2_MPEG_AUDIO_ENCODING_AAC</constant> and
-<constant>V4L2_MPEG_AUDIO_ENCODING_AC3</constant> MPEG audio encodings.</para>
-	</listitem>
-	<listitem>
-	  <para>Added <constant>V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC</constant> MPEG
-video encoding.</para>
-	</listitem>
-	<listitem>
-	  <para>The pixel formats
-<constant>V4L2_PIX_FMT_SGRBG10</constant> and
-<constant>V4L2_PIX_FMT_SGRBG10DPCM8</constant> were added.</para>
-	</listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 in Linux 2.6.29</title>
-      <orderedlist>
-	<listitem>
-	  <para>The <constant>VIDIOC_G_CHIP_IDENT</constant> ioctl was renamed
-to <constant>VIDIOC_G_CHIP_IDENT_OLD</constant> and <constant>VIDIOC_DBG_G_CHIP_IDENT</constant>
-was introduced in its place. The old struct <structname>v4l2_chip_ident</structname>
-was renamed to <structname id="v4l2-chip-ident-old">v4l2_chip_ident_old</structname>.</para>
-	</listitem>
-	<listitem>
-	  <para>The pixel formats
-<constant>V4L2_PIX_FMT_VYUY</constant>,
-<constant>V4L2_PIX_FMT_NV16</constant> and
-<constant>V4L2_PIX_FMT_NV61</constant> were added.</para>
-	</listitem>
-	<listitem>
-	  <para>Added camera controls
-<constant>V4L2_CID_ZOOM_ABSOLUTE</constant>,
-<constant>V4L2_CID_ZOOM_RELATIVE</constant>,
-<constant>V4L2_CID_ZOOM_CONTINUOUS</constant> and
-<constant>V4L2_CID_PRIVACY</constant>.</para>
-	</listitem>
-      </orderedlist>
-    </section>
-    <section>
-      <title>V4L2 in Linux 2.6.30</title>
-      <orderedlist>
-	<listitem>
-	  <para>New control flag <constant>V4L2_CTRL_FLAG_WRITE_ONLY</constant> was added.</para>
-	</listitem>
-	<listitem>
-	  <para>New control <constant>V4L2_CID_COLORFX</constant> was added.</para>
-	</listitem>
-      </orderedlist>
-    </section>
-    <section>
-      <title>V4L2 in Linux 2.6.32</title>
-      <orderedlist>
-	<listitem>
-	  <para>In order to be easier to compare a V4L2 API and a kernel
-version, now V4L2 API is numbered using the Linux Kernel version numeration.</para>
-	</listitem>
-	<listitem>
-	  <para>Finalized the RDS capture API. See <xref linkend="rds" /> for
-more information.</para>
-	</listitem>
-	<listitem>
-	  <para>Added new capabilities for modulators and RDS encoders.</para>
-	</listitem>
-	<listitem>
-	  <para>Add description for libv4l API.</para>
-	</listitem>
-	<listitem>
-	  <para>Added support for string controls via new type <constant>V4L2_CTRL_TYPE_STRING</constant>.</para>
-	</listitem>
-	<listitem>
-	  <para>Added <constant>V4L2_CID_BAND_STOP_FILTER</constant> documentation.</para>
-	</listitem>
-	<listitem>
-	  <para>Added FM Modulator (FM TX) Extended Control Class: <constant>V4L2_CTRL_CLASS_FM_TX</constant> and their Control IDs.</para>
-	</listitem>
-<listitem>
-	  <para>Added FM Receiver (FM RX) Extended Control Class: <constant>V4L2_CTRL_CLASS_FM_RX</constant> and their Control IDs.</para>
-	</listitem>
-	<listitem>
-	  <para>Added Remote Controller chapter, describing the default Remote Controller mapping for media devices.</para>
-	</listitem>
-      </orderedlist>
-    </section>
-    <section>
-      <title>V4L2 in Linux 2.6.33</title>
-      <orderedlist>
-	<listitem>
-	  <para>Added support for Digital Video timings in order to support HDTV receivers and transmitters.</para>
-	</listitem>
-      </orderedlist>
-    </section>
-    <section>
-      <title>V4L2 in Linux 2.6.34</title>
-      <orderedlist>
-	<listitem>
-	  <para>Added
-<constant>V4L2_CID_IRIS_ABSOLUTE</constant> and
-<constant>V4L2_CID_IRIS_RELATIVE</constant> controls to the
-	    <link linkend="camera-controls">Camera controls class</link>.
-	  </para>
-	</listitem>
-      </orderedlist>
-    </section>
-    <section>
-      <title>V4L2 in Linux 2.6.37</title>
-      <orderedlist>
-	<listitem>
-	  <para>Remove the vtx (videotext/teletext) API. This API was no longer
-used and no hardware exists to verify the API. Nor were any userspace applications found
-that used it. It was originally scheduled for removal in 2.6.35.
-	  </para>
-	</listitem>
-      </orderedlist>
-    </section>
-    <section>
-      <title>V4L2 in Linux 2.6.39</title>
-      <orderedlist>
-        <listitem>
-          <para>The old VIDIOC_*_OLD symbols and V4L1 support were removed.</para>
-        </listitem>
-        <listitem>
-          <para>Multi-planar API added. Does not affect the compatibility of
-          current drivers and applications. See
-          <link linkend="planar-apis">multi-planar API</link>
-          for details.</para>
-        </listitem>
-      </orderedlist>
-    </section>
-    <section>
-      <title>V4L2 in Linux 3.1</title>
-      <orderedlist>
-        <listitem>
-	  <para>VIDIOC_QUERYCAP now returns a per-subsystem version instead of a per-driver one.</para>
-	  <para>Standardize an error code for invalid ioctl.</para>
-          <para>Added V4L2_CTRL_TYPE_BITMASK.</para>
-        </listitem>
-      </orderedlist>
-    </section>
-    <section>
-      <title>V4L2 in Linux 3.2</title>
-      <orderedlist>
-        <listitem>
-	  <para>V4L2_CTRL_FLAG_VOLATILE was added to signal volatile controls to userspace.</para>
-        </listitem>
-        <listitem>
-	  <para>Add selection API for extended control over cropping
-	  and composing. Does not affect the compatibility of current
-	  drivers and applications. See <link
-	  linkend="selection-api"> selection API </link> for
-	  details.</para>
-        </listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 in Linux 3.3</title>
-      <orderedlist>
-        <listitem>
-	  <para>Added <constant>V4L2_CID_ALPHA_COMPONENT</constant> control
-	    to the <link linkend="control">User controls class</link>.
-	  </para>
-        </listitem>
-        <listitem>
-	  <para>Added the device_caps field to struct v4l2_capabilities and added the new
-	  V4L2_CAP_DEVICE_CAPS capability.</para>
-        </listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 in Linux 3.4</title>
-      <orderedlist>
-        <listitem>
-	  <para>Added <link linkend="jpeg-controls">JPEG compression control
-	  class</link>.</para>
-        </listitem>
-        <listitem>
-	  <para>Extended the DV Timings API:
-	  &VIDIOC-ENUM-DV-TIMINGS;, &VIDIOC-QUERY-DV-TIMINGS; and
-	  &VIDIOC-DV-TIMINGS-CAP;.</para>
-        </listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 in Linux 3.5</title>
-      <orderedlist>
-        <listitem>
-	  <para>Added integer menus, the new type will be
-	  V4L2_CTRL_TYPE_INTEGER_MENU.</para>
-        </listitem>
-        <listitem>
-	  <para>Added selection API for V4L2 subdev interface:
-	  &VIDIOC-SUBDEV-G-SELECTION; and
-	  &VIDIOC-SUBDEV-S-SELECTION;.</para>
-        </listitem>
-        <listitem>
-	  <para> Added <constant>V4L2_COLORFX_ANTIQUE</constant>,
-	  <constant>V4L2_COLORFX_ART_FREEZE</constant>,
-	  <constant>V4L2_COLORFX_AQUA</constant>,
-	  <constant>V4L2_COLORFX_SILHOUETTE</constant>,
-	  <constant>V4L2_COLORFX_SOLARIZATION</constant>,
-	  <constant>V4L2_COLORFX_VIVID</constant> and
-	  <constant>V4L2_COLORFX_ARBITRARY_CBCR</constant> menu items
-	  to the <constant>V4L2_CID_COLORFX</constant> control.</para>
-        </listitem>
-        <listitem>
-	  <para> Added <constant>V4L2_CID_COLORFX_CBCR</constant> control.</para>
-        </listitem>
-        <listitem>
-	  <para> Added camera controls <constant>V4L2_CID_AUTO_EXPOSURE_BIAS</constant>,
-	  <constant>V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE</constant>,
-	  <constant>V4L2_CID_IMAGE_STABILIZATION</constant>,
-	  <constant>V4L2_CID_ISO_SENSITIVITY</constant>,
-	  <constant>V4L2_CID_ISO_SENSITIVITY_AUTO</constant>,
-	  <constant>V4L2_CID_EXPOSURE_METERING</constant>,
-	  <constant>V4L2_CID_SCENE_MODE</constant>,
-	  <constant>V4L2_CID_3A_LOCK</constant>,
-	  <constant>V4L2_CID_AUTO_FOCUS_START</constant>,
-	  <constant>V4L2_CID_AUTO_FOCUS_STOP</constant>,
-	  <constant>V4L2_CID_AUTO_FOCUS_STATUS</constant> and
-	  <constant>V4L2_CID_AUTO_FOCUS_RANGE</constant>.
-	  </para>
-        </listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 in Linux 3.6</title>
-      <orderedlist>
-	<listitem>
-	  <para>Replaced <structfield>input</structfield> in
-	  <structname>v4l2_buffer</structname> by
-	  <structfield>reserved2</structfield> and removed
-	  <constant>V4L2_BUF_FLAG_INPUT</constant>.</para>
-	</listitem>
-        <listitem>
-	  <para>Added V4L2_CAP_VIDEO_M2M and V4L2_CAP_VIDEO_M2M_MPLANE capabilities.</para>
-        </listitem>
-        <listitem>
-	  <para>Added support for frequency band enumerations: &VIDIOC-ENUM-FREQ-BANDS;.</para>
-        </listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 in Linux 3.9</title>
-      <orderedlist>
-        <listitem>
-	  <para>Added timestamp types to
-	  <structfield>flags</structfield> field in
-	  <structname>v4l2_buffer</structname>. See <xref
-	  linkend="buffer-flags" />.</para>
-        </listitem>
-        <listitem>
-	  <para>Added <constant>V4L2_EVENT_CTRL_CH_RANGE</constant> control event
-	  changes flag. See <xref linkend="ctrl-changes-flags"/>.</para>
-        </listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 in Linux 3.10</title>
-      <orderedlist>
-        <listitem>
-	  <para>Removed obsolete and unused DV_PRESET ioctls
-	  VIDIOC_G_DV_PRESET, VIDIOC_S_DV_PRESET, VIDIOC_QUERY_DV_PRESET and
-	  VIDIOC_ENUM_DV_PRESET. Remove the related v4l2_input/output capability
-	  flags V4L2_IN_CAP_PRESETS and V4L2_OUT_CAP_PRESETS.
-	  </para>
-        </listitem>
-        <listitem>
-	  <para>Added new debugging ioctl &VIDIOC-DBG-G-CHIP-INFO;.
-	  </para>
-        </listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 in Linux 3.11</title>
-      <orderedlist>
-        <listitem>
-	  <para>Remove obsolete <constant>VIDIOC_DBG_G_CHIP_IDENT</constant> ioctl.
-	  </para>
-        </listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 in Linux 3.14</title>
-      <orderedlist>
-        <listitem>
-		<para> In struct <structname>v4l2_rect</structname>, the type
-of <structfield>width</structfield> and <structfield>height</structfield>
-fields changed from _s32 to _u32.
-	  </para>
-        </listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 in Linux 3.15</title>
-      <orderedlist>
-        <listitem>
-	  <para>Added Software Defined Radio (SDR) Interface.
-	  </para>
-        </listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 in Linux 3.16</title>
-      <orderedlist>
-        <listitem>
-	  <para>Added event V4L2_EVENT_SOURCE_CHANGE.
-	  </para>
-        </listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 in Linux 3.17</title>
-      <orderedlist>
-        <listitem>
-	  <para>Extended &v4l2-pix-format;. Added format flags.
-	  </para>
-        </listitem>
-        <listitem>
-	  <para>Added compound control types and &VIDIOC-QUERY-EXT-CTRL;.
-	  </para>
-        </listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 in Linux 3.18</title>
-      <orderedlist>
-	<listitem>
-	  <para>Added <constant>V4L2_CID_PAN_SPEED</constant> and
- <constant>V4L2_CID_TILT_SPEED</constant> camera controls.</para>
-	</listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 in Linux 3.19</title>
-      <orderedlist>
-	<listitem>
-	  <para>Rewrote Colorspace chapter, added new &v4l2-ycbcr-encoding;
-and &v4l2-quantization; fields to &v4l2-pix-format;, &v4l2-pix-format-mplane;
-and &v4l2-mbus-framefmt;.
-	  </para>
-	</listitem>
-      </orderedlist>
-    </section>
-
-    <section>
-      <title>V4L2 in Linux 4.4</title>
-      <orderedlist>
-	<listitem>
-	  <para>Renamed <constant>V4L2_TUNER_ADC</constant> to
-<constant>V4L2_TUNER_SDR</constant>. The use of
-<constant>V4L2_TUNER_ADC</constant> is deprecated now.
-	  </para>
-	</listitem>
-	<listitem>
-	  <para>Added <constant>V4L2_CID_RF_TUNER_RF_GAIN</constant>
-RF Tuner control.</para>
-	</listitem>
-	<listitem>
-	  <para>Added transmitter support for Software Defined Radio (SDR)
-Interface.</para>
-	</listitem>
-      </orderedlist>
-    </section>
-
-    <section id="other">
-      <title>Relation of V4L2 to other Linux multimedia APIs</title>
-
-      <section id="xvideo">
-        <title>X Video Extension</title>
-
-        <para>The X Video Extension (abbreviated XVideo or just Xv) is
-an extension of the X Window system, implemented for example by the
-XFree86 project. Its scope is similar to V4L2, an API to video capture
-and output devices for X clients. Xv allows applications to display
-live video in a window, send window contents to a TV output, and
-capture or output still images in XPixmaps<footnote>
-	  <para>This is not implemented in XFree86.</para>
-	</footnote>. With their implementation XFree86 makes the
-extension available across many operating systems and
-architectures.</para>
-
-        <para>Because the driver is embedded into the X server Xv has a
-number of advantages over the V4L2 <link linkend="overlay">video
-overlay interface</link>. The driver can easily determine the overlay
-target, &ie; visible graphics memory or off-screen buffers for a
-destructive overlay. It can program the RAMDAC for a non-destructive
-overlay, scaling or color-keying, or the clipping functions of the
-video capture hardware, always in sync with drawing operations or
-windows moving or changing their stacking order.</para>
-
-        <para>To combine the advantages of Xv and V4L a special Xv
-driver exists in XFree86 and XOrg, just programming any overlay capable
-Video4Linux device it finds. To enable it
-<filename>/etc/X11/XF86Config</filename> must contain these lines:</para>
-        <para><screen>
-Section "Module"
-    Load "v4l"
-EndSection</screen></para>
-
-        <para>As of XFree86 4.2 this driver still supports only V4L
-ioctls, however it should work just fine with all V4L2 devices through
-the V4L2 backward-compatibility layer. Since V4L2 permits multiple
-opens it is possible (if supported by the V4L2 driver) to capture
-video while an X client requested video overlay. Restrictions of
-simultaneous capturing and overlay are discussed in <xref
-	  linkend="overlay" /> apply.</para>
-
-        <para>Only marginally related to V4L2, XFree86 extended Xv to
-support hardware YUV to RGB conversion and scaling for faster video
-playback, and added an interface to MPEG-2 decoding hardware. This API
-is useful to display images captured with V4L2 devices.</para>
-      </section>
-
-      <section>
-        <title>Digital Video</title>
-
-        <para>V4L2 does not support digital terrestrial, cable or
-satellite broadcast. A separate project aiming at digital receivers
-exists. You can find its homepage at <ulink
-url="https://linuxtv.org">https://linuxtv.org</ulink>. The Linux DVB API
-has no connection to the V4L2 API except that drivers for hybrid
-hardware may support both.</para>
-      </section>
-
-      <section>
-        <title>Audio Interfaces</title>
-
-        <para>[to do - OSS/ALSA]</para>
-      </section>
-    </section>
-
-    <section id="experimental">
-      <title>Experimental API Elements</title>
-
-      <para>The following V4L2 API elements are currently experimental
-and may change in the future.</para>
-
-      <itemizedlist>
-        <listitem>
-	  <para>&VIDIOC-DBG-G-REGISTER; and &VIDIOC-DBG-S-REGISTER;
-ioctls.</para>
-        </listitem>
-        <listitem>
-	  <para>&VIDIOC-DBG-G-CHIP-INFO; ioctl.</para>
-        </listitem>
-      </itemizedlist>
-    </section>
-
-    <section id="obsolete">
-      <title>Obsolete API Elements</title>
-
-      <para>The following V4L2 API elements were superseded by new
-interfaces and should not be implemented in new drivers.</para>
-
-      <itemizedlist>
-        <listitem>
-	  <para><constant>VIDIOC_G_MPEGCOMP</constant> and
-<constant>VIDIOC_S_MPEGCOMP</constant> ioctls. Use Extended Controls,
-<xref linkend="extended-controls" />.</para>
-        </listitem>
-        <listitem>
-	  <para>VIDIOC_G_DV_PRESET, VIDIOC_S_DV_PRESET, VIDIOC_ENUM_DV_PRESETS and
-	  VIDIOC_QUERY_DV_PRESET ioctls. Use the DV Timings API (<xref linkend="dv-timings" />).</para>
-        </listitem>
-        <listitem>
-	  <para><constant>VIDIOC_SUBDEV_G_CROP</constant> and
-	  <constant>VIDIOC_SUBDEV_S_CROP</constant> ioctls. Use
-	  <constant>VIDIOC_SUBDEV_G_SELECTION</constant> and
-	  <constant>VIDIOC_SUBDEV_S_SELECTION</constant>, <xref
-	  linkend="vidioc-subdev-g-selection" />.</para>
-        </listitem>
-      </itemizedlist>
-    </section>
-  </section>

Documentation/DocBook/media/v4l/controls.xml

@@ -1,5505 +0,0 @@
-  <section id="control">
-    <title>User Controls</title>
-
-    <para>Devices typically have a number of user-settable controls
-such as brightness, saturation and so on, which would be presented to
-the user on a graphical user interface. But, different devices
-will have different controls available, and furthermore, the range of
-possible values, and the default value will vary from device to
-device. The control ioctls provide the information and a mechanism to
-create a nice user interface for these controls that will work
-correctly with any device.</para>
-
-    <para>All controls are accessed using an ID value. V4L2 defines
-several IDs for specific purposes. Drivers can also implement their
-own custom controls using <constant>V4L2_CID_PRIVATE_BASE</constant>
-<footnote><para>The use of <constant>V4L2_CID_PRIVATE_BASE</constant>
-is problematic because different drivers may use the same
-<constant>V4L2_CID_PRIVATE_BASE</constant> ID for different controls.
-This makes it hard to programatically set such controls since the meaning
-of the control with that ID is driver dependent. In order to resolve this
-drivers use unique IDs and the <constant>V4L2_CID_PRIVATE_BASE</constant>
-IDs are mapped to those unique IDs by the kernel. Consider these
-<constant>V4L2_CID_PRIVATE_BASE</constant> IDs as aliases to the real
-IDs.</para>
-<para>Many applications today still use the <constant>V4L2_CID_PRIVATE_BASE</constant>
-IDs instead of using &VIDIOC-QUERYCTRL; with the <constant>V4L2_CTRL_FLAG_NEXT_CTRL</constant>
-flag to enumerate all IDs, so support for <constant>V4L2_CID_PRIVATE_BASE</constant>
-is still around.</para></footnote>
-and higher values. The pre-defined control IDs have the prefix
-<constant>V4L2_CID_</constant>, and are listed in <xref
-linkend="control-id" />. The ID is used when querying the attributes of
-a control, and when getting or setting the current value.</para>
-
-    <para>Generally applications should present controls to the user
-without assumptions about their purpose. Each control comes with a
-name string the user is supposed to understand. When the purpose is
-non-intuitive the driver writer should provide a user manual, a user
-interface plug-in or a driver specific panel application. Predefined
-IDs were introduced to change a few controls programmatically, for
-example to mute a device during a channel switch.</para>
-
-    <para>Drivers may enumerate different controls after switching
-the current video input or output, tuner or modulator, or audio input
-or output. Different in the sense of other bounds, another default and
-current value, step size or other menu items. A control with a certain
-<emphasis>custom</emphasis> ID can also change name and
-type.</para>
-
-    <para>If a control is not applicable to the current configuration
-of the device (for example, it doesn't apply to the current video input)
-drivers set the <constant>V4L2_CTRL_FLAG_INACTIVE</constant> flag.</para>
-
-    <para>Control values are stored globally, they do not
-change when switching except to stay within the reported bounds. They
-also do not change &eg; when the device is opened or closed, when the
-tuner radio frequency is changed or generally never without
-application request.</para>
-
-    <para>V4L2 specifies an event mechanism to notify applications
-when controls change value (see &VIDIOC-SUBSCRIBE-EVENT;, event
-<constant>V4L2_EVENT_CTRL</constant>), panel applications might want to make
-use of that in order to always reflect the correct control value.</para>
-
-    <para>
-      All controls use machine endianness.
-    </para>
-
-    <table pgwide="1" frame="none" id="control-id">
-      <title>Control IDs</title>
-      <tgroup cols="3">
-	&cs-def;
-	<thead>
-	  <row>
-	    <entry>ID</entry>
-	    <entry>Type</entry>
-	    <entry>Description</entry>
-	  </row>
-	</thead>
-	<tbody valign="top">
-	  <row>
-	    <entry><constant>V4L2_CID_BASE</constant></entry>
-	    <entry></entry>
-	    <entry>First predefined ID, equal to
-<constant>V4L2_CID_BRIGHTNESS</constant>.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_USER_BASE</constant></entry>
-	    <entry></entry>
-	    <entry>Synonym of <constant>V4L2_CID_BASE</constant>.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_BRIGHTNESS</constant></entry>
-	    <entry>integer</entry>
-	    <entry>Picture brightness, or more precisely, the black
-level.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_CONTRAST</constant></entry>
-	    <entry>integer</entry>
-	    <entry>Picture contrast or luma gain.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_SATURATION</constant></entry>
-	    <entry>integer</entry>
-	    <entry>Picture color saturation or chroma gain.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_HUE</constant></entry>
-	    <entry>integer</entry>
-	    <entry>Hue or color balance.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_AUDIO_VOLUME</constant></entry>
-	    <entry>integer</entry>
-	    <entry>Overall audio volume. Note some drivers also
-provide an OSS or ALSA mixer interface.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_AUDIO_BALANCE</constant></entry>
-	    <entry>integer</entry>
-	    <entry>Audio stereo balance. Minimum corresponds to all
-the way left, maximum to right.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_AUDIO_BASS</constant></entry>
-	    <entry>integer</entry>
-	    <entry>Audio bass adjustment.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_AUDIO_TREBLE</constant></entry>
-	    <entry>integer</entry>
-	    <entry>Audio treble adjustment.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_AUDIO_MUTE</constant></entry>
-	    <entry>boolean</entry>
-	    <entry>Mute audio, &ie; set the volume to zero, however
-without affecting <constant>V4L2_CID_AUDIO_VOLUME</constant>. Like
-ALSA drivers, V4L2 drivers must mute at load time to avoid excessive
-noise. Actually the entire device should be reset to a low power
-consumption state.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_AUDIO_LOUDNESS</constant></entry>
-	    <entry>boolean</entry>
-	    <entry>Loudness mode (bass boost).</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_BLACK_LEVEL</constant></entry>
-	    <entry>integer</entry>
-	    <entry>Another name for brightness (not a synonym of
-<constant>V4L2_CID_BRIGHTNESS</constant>). This control is deprecated
-and should not be used in new drivers and applications.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_AUTO_WHITE_BALANCE</constant></entry>
-	    <entry>boolean</entry>
-	    <entry>Automatic white balance (cameras).</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_DO_WHITE_BALANCE</constant></entry>
-	    <entry>button</entry>
-	    <entry>This is an action control. When set (the value is
-ignored), the device will do a white balance and then hold the current
-setting. Contrast this with the boolean
-<constant>V4L2_CID_AUTO_WHITE_BALANCE</constant>, which, when
-activated, keeps adjusting the white balance.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_RED_BALANCE</constant></entry>
-	    <entry>integer</entry>
-	    <entry>Red chroma balance.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_BLUE_BALANCE</constant></entry>
-	    <entry>integer</entry>
-	    <entry>Blue chroma balance.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_GAMMA</constant></entry>
-	    <entry>integer</entry>
-	    <entry>Gamma adjust.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_WHITENESS</constant></entry>
-	    <entry>integer</entry>
-	    <entry>Whiteness for grey-scale devices. This is a synonym
-for <constant>V4L2_CID_GAMMA</constant>. This control is deprecated
-and should not be used in new drivers and applications.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_EXPOSURE</constant></entry>
-	    <entry>integer</entry>
-	    <entry>Exposure (cameras). [Unit?]</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_AUTOGAIN</constant></entry>
-	    <entry>boolean</entry>
-	    <entry>Automatic gain/exposure control.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_GAIN</constant></entry>
-	    <entry>integer</entry>
-	    <entry>Gain control.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_HFLIP</constant></entry>
-	    <entry>boolean</entry>
-	    <entry>Mirror the picture horizontally.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_VFLIP</constant></entry>
-	    <entry>boolean</entry>
-	    <entry>Mirror the picture vertically.</entry>
-	  </row>
-	  <row id="v4l2-power-line-frequency">
-	    <entry><constant>V4L2_CID_POWER_LINE_FREQUENCY</constant></entry>
-	    <entry>enum</entry>
-	    <entry>Enables a power line frequency filter to avoid
-flicker. Possible values for <constant>enum v4l2_power_line_frequency</constant> are:
-<constant>V4L2_CID_POWER_LINE_FREQUENCY_DISABLED</constant> (0),
-<constant>V4L2_CID_POWER_LINE_FREQUENCY_50HZ</constant> (1),
-<constant>V4L2_CID_POWER_LINE_FREQUENCY_60HZ</constant> (2) and
-<constant>V4L2_CID_POWER_LINE_FREQUENCY_AUTO</constant> (3).</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_HUE_AUTO</constant></entry>
-	    <entry>boolean</entry>
-	    <entry>Enables automatic hue control by the device. The
-effect of setting <constant>V4L2_CID_HUE</constant> while automatic
-hue control is enabled is undefined, drivers should ignore such
-request.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_WHITE_BALANCE_TEMPERATURE</constant></entry>
-	    <entry>integer</entry>
-	    <entry>This control specifies the white balance settings
-as a color temperature in Kelvin. A driver should have a minimum of
-2800 (incandescent) to 6500 (daylight). For more information about
-color temperature see <ulink
-url="http://en.wikipedia.org/wiki/Color_temperature">Wikipedia</ulink>.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_SHARPNESS</constant></entry>
-	    <entry>integer</entry>
-	    <entry>Adjusts the sharpness filters in a camera. The
-minimum value disables the filters, higher values give a sharper
-picture.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_BACKLIGHT_COMPENSATION</constant></entry>
-	    <entry>integer</entry>
-	    <entry>Adjusts the backlight compensation in a camera. The
-minimum value disables backlight compensation.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_CHROMA_AGC</constant></entry>
-	    <entry>boolean</entry>
-	    <entry>Chroma automatic gain control.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_CHROMA_GAIN</constant></entry>
-	    <entry>integer</entry>
-	    <entry>Adjusts the Chroma gain control (for use when chroma AGC
-	    is disabled).</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_COLOR_KILLER</constant></entry>
-	    <entry>boolean</entry>
-	    <entry>Enable the color killer (&ie; force a black &amp; white image in case of a weak video signal).</entry>
-	  </row>
-	  <row id="v4l2-colorfx">
-	    <entry><constant>V4L2_CID_COLORFX</constant></entry>
-	    <entry>enum</entry>
-	    <entry>Selects a color effect. The following values are defined:
-	    </entry>
-	  </row><row>
-	  <entry></entry>
-	  <entry></entry>
-	    <entrytbl spanname="descr" cols="2">
-	      <tbody valign="top">
-		<row>
-		  <entry><constant>V4L2_COLORFX_NONE</constant>&nbsp;</entry>
-		  <entry>Color effect is disabled.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_COLORFX_ANTIQUE</constant>&nbsp;</entry>
-		  <entry>An aging (old photo) effect.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_COLORFX_ART_FREEZE</constant>&nbsp;</entry>
-		  <entry>Frost color effect.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_COLORFX_AQUA</constant>&nbsp;</entry>
-		  <entry>Water color, cool tone.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_COLORFX_BW</constant>&nbsp;</entry>
-		  <entry>Black and white.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_COLORFX_EMBOSS</constant>&nbsp;</entry>
-		  <entry>Emboss, the highlights and shadows replace light/dark boundaries
-		  and low contrast areas are set to a gray background.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_COLORFX_GRASS_GREEN</constant>&nbsp;</entry>
-		  <entry>Grass green.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_COLORFX_NEGATIVE</constant>&nbsp;</entry>
-		  <entry>Negative.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_COLORFX_SEPIA</constant>&nbsp;</entry>
-		  <entry>Sepia tone.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_COLORFX_SKETCH</constant>&nbsp;</entry>
-		  <entry>Sketch.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_COLORFX_SKIN_WHITEN</constant>&nbsp;</entry>
-		  <entry>Skin whiten.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_COLORFX_SKY_BLUE</constant>&nbsp;</entry>
-		  <entry>Sky blue.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_COLORFX_SOLARIZATION</constant>&nbsp;</entry>
-		  <entry>Solarization, the image is partially reversed in tone,
-		  only color values above or below a certain threshold are inverted.
-		  </entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_COLORFX_SILHOUETTE</constant>&nbsp;</entry>
-		  <entry>Silhouette (outline).</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_COLORFX_VIVID</constant>&nbsp;</entry>
-		  <entry>Vivid colors.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_COLORFX_SET_CBCR</constant>&nbsp;</entry>
-		  <entry>The Cb and Cr chroma components are replaced by fixed
-		  coefficients determined by <constant>V4L2_CID_COLORFX_CBCR</constant>
-		  control.</entry>
-		</row>
-	      </tbody>
-	    </entrytbl>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_COLORFX_CBCR</constant></entry>
-	    <entry>integer</entry>
-	    <entry>Determines the Cb and Cr coefficients for <constant>V4L2_COLORFX_SET_CBCR</constant>
-	    color effect. Bits [7:0] of the supplied 32 bit value are interpreted as
-	    Cr component, bits [15:8] as Cb component and bits [31:16] must be zero.
-	  </entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_AUTOBRIGHTNESS</constant></entry>
-	    <entry>boolean</entry>
-	    <entry>Enable Automatic Brightness.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_ROTATE</constant></entry>
-	    <entry>integer</entry>
-	    <entry>Rotates the image by specified angle. Common angles are 90,
-	    270 and 180. Rotating the image to 90 and 270 will reverse the height
-	    and width of the display window. It is necessary to set the new height and
-	    width of the picture using the &VIDIOC-S-FMT; ioctl according to
-	    the rotation angle selected.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_BG_COLOR</constant></entry>
-	    <entry>integer</entry>
-	    <entry>Sets the background color on the current output device.
-	    Background color needs to be specified in the RGB24 format. The
-	    supplied 32 bit value is interpreted as bits 0-7 Red color information,
-	    bits 8-15 Green color information, bits 16-23 Blue color
-	    information and bits 24-31 must be zero.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_ILLUMINATORS_1</constant>
-		<constant>V4L2_CID_ILLUMINATORS_2</constant></entry>
-	    <entry>boolean</entry>
-	    <entry>Switch on or off the illuminator 1 or 2 of the device
-		(usually a microscope).</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_MIN_BUFFERS_FOR_CAPTURE</constant></entry>
-	    <entry>integer</entry>
-	    <entry>This is a read-only control that can be read by the application
-and used as a hint to determine the number of CAPTURE buffers to pass to REQBUFS.
-The value is the minimum number of CAPTURE buffers that is necessary for hardware
-to work.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_MIN_BUFFERS_FOR_OUTPUT</constant></entry>
-	    <entry>integer</entry>
-	    <entry>This is a read-only control that can be read by the application
-and used as a hint to determine the number of OUTPUT buffers to pass to REQBUFS.
-The value is the minimum number of OUTPUT buffers that is necessary for hardware
-to work.</entry>
-	  </row>
-	  <row id="v4l2-alpha-component">
-	    <entry><constant>V4L2_CID_ALPHA_COMPONENT</constant></entry>
-	    <entry>integer</entry>
-	    <entry>Sets the alpha color component. When a capture device (or
-	    capture queue of a mem-to-mem device) produces a frame format that
-	    includes an alpha component
-	    (e.g. <link linkend="rgb-formats">packed RGB image formats</link>)
-	    and the alpha value is not defined by the device or the mem-to-mem
-	    input data this control lets you select the alpha component value of
-	    all pixels. When an output device (or output queue of a mem-to-mem
-	    device) consumes a frame format that doesn't include an alpha
-	    component and the device supports alpha channel processing this
-	    control lets you set the alpha component value of all pixels for
-	    further processing in the device.
-	    </entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_LASTP1</constant></entry>
-	    <entry></entry>
-	    <entry>End of the predefined control IDs (currently
-	      <constant>V4L2_CID_ALPHA_COMPONENT</constant> + 1).</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_CID_PRIVATE_BASE</constant></entry>
-	    <entry></entry>
-	    <entry>ID of the first custom (driver specific) control.
-Applications depending on particular custom controls should check the
-driver name and version, see <xref linkend="querycap" />.</entry>
-	  </row>
-	</tbody>
-      </tgroup>
-    </table>
-
-    <para>Applications can enumerate the available controls with the
-&VIDIOC-QUERYCTRL; and &VIDIOC-QUERYMENU; ioctls, get and set a
-control value with the &VIDIOC-G-CTRL; and &VIDIOC-S-CTRL; ioctls.
-Drivers must implement <constant>VIDIOC_QUERYCTRL</constant>,
-<constant>VIDIOC_G_CTRL</constant> and
-<constant>VIDIOC_S_CTRL</constant> when the device has one or more
-controls, <constant>VIDIOC_QUERYMENU</constant> when it has one or
-more menu type controls.</para>
-
-    <example id="enum_all_controls">
-      <title>Enumerating all user controls</title>
-
-      <programlisting>
-&v4l2-queryctrl; queryctrl;
-&v4l2-querymenu; querymenu;
-
-static void enumerate_menu(void)
-{
-	printf("  Menu items:\n");
-
-	memset(&amp;querymenu, 0, sizeof(querymenu));
-	querymenu.id = queryctrl.id;
-
-	for (querymenu.index = queryctrl.minimum;
-	     querymenu.index &lt;= queryctrl.maximum;
-	     querymenu.index++) {
-		if (0 == ioctl(fd, &VIDIOC-QUERYMENU;, &amp;querymenu)) {
-			printf("  %s\n", querymenu.name);
-		}
-	}
-}
-
-memset(&amp;queryctrl, 0, sizeof(queryctrl));
-
-for (queryctrl.id = V4L2_CID_BASE;
-     queryctrl.id &lt; V4L2_CID_LASTP1;
-     queryctrl.id++) {
-	if (0 == ioctl(fd, &VIDIOC-QUERYCTRL;, &amp;queryctrl)) {
-		if (queryctrl.flags &amp; V4L2_CTRL_FLAG_DISABLED)
-			continue;
-
-		printf("Control %s\n", queryctrl.name);
-
-		if (queryctrl.type == V4L2_CTRL_TYPE_MENU)
-			enumerate_menu();
-	} else {
-		if (errno == EINVAL)
-			continue;
-
-		perror("VIDIOC_QUERYCTRL");
-		exit(EXIT_FAILURE);
-	}
-}
-
-for (queryctrl.id = V4L2_CID_PRIVATE_BASE;;
-     queryctrl.id++) {
-	if (0 == ioctl(fd, &VIDIOC-QUERYCTRL;, &amp;queryctrl)) {
-		if (queryctrl.flags &amp; V4L2_CTRL_FLAG_DISABLED)
-			continue;
-
-		printf("Control %s\n", queryctrl.name);
-
-		if (queryctrl.type == V4L2_CTRL_TYPE_MENU)
-			enumerate_menu();
-	} else {
-		if (errno == EINVAL)
-			break;
-
-		perror("VIDIOC_QUERYCTRL");
-		exit(EXIT_FAILURE);
-	}
-}
-</programlisting>
-    </example>
-
-    <example>
-      <title>Enumerating all user controls (alternative)</title>
-	<programlisting>
-memset(&amp;queryctrl, 0, sizeof(queryctrl));
-
-queryctrl.id = V4L2_CTRL_CLASS_USER | V4L2_CTRL_FLAG_NEXT_CTRL;
-while (0 == ioctl(fd, &VIDIOC-QUERYCTRL;, &amp;queryctrl)) {
-	if (V4L2_CTRL_ID2CLASS(queryctrl.id) != V4L2_CTRL_CLASS_USER)
-		break;
-	if (queryctrl.flags &amp; V4L2_CTRL_FLAG_DISABLED)
-		continue;
-
-	printf("Control %s\n", queryctrl.name);
-
-	if (queryctrl.type == V4L2_CTRL_TYPE_MENU)
-		enumerate_menu();
-
-	queryctrl.id |= V4L2_CTRL_FLAG_NEXT_CTRL;
-}
-if (errno != EINVAL) {
-	perror("VIDIOC_QUERYCTRL");
-	exit(EXIT_FAILURE);
-}
-</programlisting>
-    </example>
-
-    <example>
-      <title>Changing controls</title>
-
-      <programlisting>
-&v4l2-queryctrl; queryctrl;
-&v4l2-control; control;
-
-memset(&amp;queryctrl, 0, sizeof(queryctrl));
-queryctrl.id = V4L2_CID_BRIGHTNESS;
-
-if (-1 == ioctl(fd, &VIDIOC-QUERYCTRL;, &amp;queryctrl)) {
-	if (errno != EINVAL) {
-		perror("VIDIOC_QUERYCTRL");
-		exit(EXIT_FAILURE);
-	} else {
-		printf("V4L2_CID_BRIGHTNESS is not supported\n");
-	}
-} else if (queryctrl.flags &amp; V4L2_CTRL_FLAG_DISABLED) {
-	printf("V4L2_CID_BRIGHTNESS is not supported\n");
-} else {
-	memset(&amp;control, 0, sizeof (control));
-	control.id = V4L2_CID_BRIGHTNESS;
-	control.value = queryctrl.default_value;
-
-	if (-1 == ioctl(fd, &VIDIOC-S-CTRL;, &amp;control)) {
-		perror("VIDIOC_S_CTRL");
-		exit(EXIT_FAILURE);
-	}
-}
-
-memset(&amp;control, 0, sizeof(control));
-control.id = V4L2_CID_CONTRAST;
-
-if (0 == ioctl(fd, &VIDIOC-G-CTRL;, &amp;control)) {
-	control.value += 1;
-
-	/* The driver may clamp the value or return ERANGE, ignored here */
-
-	if (-1 == ioctl(fd, &VIDIOC-S-CTRL;, &amp;control)
-	    &amp;&amp; errno != ERANGE) {
-		perror("VIDIOC_S_CTRL");
-		exit(EXIT_FAILURE);
-	}
-/* Ignore if V4L2_CID_CONTRAST is unsupported */
-} else if (errno != EINVAL) {
-	perror("VIDIOC_G_CTRL");
-	exit(EXIT_FAILURE);
-}
-
-control.id = V4L2_CID_AUDIO_MUTE;
-control.value = 1; /* silence */
-
-/* Errors ignored */
-ioctl(fd, VIDIOC_S_CTRL, &amp;control);
-</programlisting>
-    </example>
-  </section>
-
-  <section id="extended-controls">
-    <title>Extended Controls</title>
-
-    <section>
-      <title>Introduction</title>
-
-      <para>The control mechanism as originally designed was meant
-to be used for user settings (brightness, saturation, etc). However,
-it turned out to be a very useful model for implementing more
-complicated driver APIs where each driver implements only a subset of
-a larger API.</para>
-
-      <para>The MPEG encoding API was the driving force behind
-designing and implementing this extended control mechanism: the MPEG
-standard is quite large and the currently supported hardware MPEG
-encoders each only implement a subset of this standard. Further more,
-many parameters relating to how the video is encoded into an MPEG
-stream are specific to the MPEG encoding chip since the MPEG standard
-only defines the format of the resulting MPEG stream, not how the
-video is actually encoded into that format.</para>
-
-      <para>Unfortunately, the original control API lacked some
-features needed for these new uses and so it was extended into the
-(not terribly originally named) extended control API.</para>
-
-      <para>Even though the MPEG encoding API was the first effort
-to use the Extended Control API, nowadays there are also other classes
-of Extended Controls, such as Camera Controls and FM Transmitter Controls.
-The Extended Controls API as well as all Extended Controls classes are
-described in the following text.</para>
-    </section>
-
-    <section>
-      <title>The Extended Control API</title>
-
-      <para>Three new ioctls are available: &VIDIOC-G-EXT-CTRLS;,
-&VIDIOC-S-EXT-CTRLS; and &VIDIOC-TRY-EXT-CTRLS;. These ioctls act on
-arrays of controls (as opposed to the &VIDIOC-G-CTRL; and
-&VIDIOC-S-CTRL; ioctls that act on a single control). This is needed
-since it is often required to atomically change several controls at
-once.</para>
-
-      <para>Each of the new ioctls expects a pointer to a
-&v4l2-ext-controls;. This structure contains a pointer to the control
-array, a count of the number of controls in that array and a control
-class. Control classes are used to group similar controls into a
-single class. For example, control class
-<constant>V4L2_CTRL_CLASS_USER</constant> contains all user controls
-(&ie; all controls that can also be set using the old
-<constant>VIDIOC_S_CTRL</constant> ioctl). Control class
-<constant>V4L2_CTRL_CLASS_MPEG</constant> contains all controls
-relating to MPEG encoding, etc.</para>
-
-      <para>All controls in the control array must belong to the
-specified control class. An error is returned if this is not the
-case.</para>
-
-      <para>It is also possible to use an empty control array (count
-== 0) to check whether the specified control class is
-supported.</para>
-
-      <para>The control array is a &v4l2-ext-control; array. The
-<structname>v4l2_ext_control</structname> structure is very similar to
-&v4l2-control;, except for the fact that it also allows for 64-bit
-values and pointers to be passed.</para>
-
-      <para>Since the &v4l2-ext-control; supports pointers it is now
-also possible to have controls with compound types such as N-dimensional arrays
-and/or structures. You need to specify the <constant>V4L2_CTRL_FLAG_NEXT_COMPOUND</constant>
-when enumerating controls to actually be able to see such compound controls.
-In other words, these controls with compound types should only be used
-programmatically.</para>
-
-      <para>Since such compound controls need to expose more information
-about themselves than is possible with &VIDIOC-QUERYCTRL; the
-&VIDIOC-QUERY-EXT-CTRL; ioctl was added. In particular, this ioctl gives
-the dimensions of the N-dimensional array if this control consists of more than
-one element.</para>
-
-      <para>It is important to realize that due to the flexibility of
-controls it is necessary to check whether the control you want to set
-actually is supported in the driver and what the valid range of values
-is. So use the &VIDIOC-QUERYCTRL; (or &VIDIOC-QUERY-EXT-CTRL;) and
-&VIDIOC-QUERYMENU; ioctls to check this. Also note that it is possible
-that some of the menu indices in a control of type
-<constant>V4L2_CTRL_TYPE_MENU</constant> may not be supported
-(<constant>VIDIOC_QUERYMENU</constant> will return an error). A good
-example is the list of supported MPEG audio bitrates. Some drivers only
-support one or two bitrates, others support a wider range.</para>
-
-      <para>
-	All controls use machine endianness.
-      </para>
-    </section>
-
-    <section>
-      <title>Enumerating Extended Controls</title>
-
-      <para>The recommended way to enumerate over the extended
-controls is by using &VIDIOC-QUERYCTRL; in combination with the
-<constant>V4L2_CTRL_FLAG_NEXT_CTRL</constant> flag:</para>
-
-      <informalexample>
-	<programlisting>
-&v4l2-queryctrl; qctrl;
-
-qctrl.id = V4L2_CTRL_FLAG_NEXT_CTRL;
-while (0 == ioctl (fd, &VIDIOC-QUERYCTRL;, &amp;qctrl)) {
-	/* ... */
-	qctrl.id |= V4L2_CTRL_FLAG_NEXT_CTRL;
-}
-</programlisting>
-      </informalexample>
-
-      <para>The initial control ID is set to 0 ORed with the
-<constant>V4L2_CTRL_FLAG_NEXT_CTRL</constant> flag. The
-<constant>VIDIOC_QUERYCTRL</constant> ioctl will return the first
-control with a higher ID than the specified one. When no such controls
-are found an error is returned.</para>
-
-      <para>If you want to get all controls within a specific control
-class, then you can set the initial
-<structfield>qctrl.id</structfield> value to the control class and add
-an extra check to break out of the loop when a control of another
-control class is found:</para>
-
-      <informalexample>
-	<programlisting>
-qctrl.id = V4L2_CTRL_CLASS_MPEG | V4L2_CTRL_FLAG_NEXT_CTRL;
-while (0 == ioctl(fd, &VIDIOC-QUERYCTRL;, &amp;qctrl)) {
-	if (V4L2_CTRL_ID2CLASS(qctrl.id) != V4L2_CTRL_CLASS_MPEG)
-		break;
-		/* ... */
-	qctrl.id |= V4L2_CTRL_FLAG_NEXT_CTRL;
-}
-</programlisting>
-      </informalexample>
-
-      <para>The 32-bit <structfield>qctrl.id</structfield> value is
-subdivided into three bit ranges: the top 4 bits are reserved for
-flags (&eg; <constant>V4L2_CTRL_FLAG_NEXT_CTRL</constant>) and are not
-actually part of the ID. The remaining 28 bits form the control ID, of
-which the most significant 12 bits define the control class and the
-least significant 16 bits identify the control within the control
-class. It is guaranteed that these last 16 bits are always non-zero
-for controls. The range of 0x1000 and up are reserved for
-driver-specific controls. The macro
-<constant>V4L2_CTRL_ID2CLASS(id)</constant> returns the control class
-ID based on a control ID.</para>
-
-      <para>If the driver does not support extended controls, then
-<constant>VIDIOC_QUERYCTRL</constant> will fail when used in
-combination with <constant>V4L2_CTRL_FLAG_NEXT_CTRL</constant>. In
-that case the old method of enumerating control should be used (see
-<xref linkend="enum_all_controls" />). But if it is supported, then it is guaranteed to enumerate over
-all controls, including driver-private controls.</para>
-    </section>
-
-    <section>
-      <title>Creating Control Panels</title>
-
-      <para>It is possible to create control panels for a graphical
-user interface where the user can select the various controls.
-Basically you will have to iterate over all controls using the method
-described above. Each control class starts with a control of type
-<constant>V4L2_CTRL_TYPE_CTRL_CLASS</constant>.
-<constant>VIDIOC_QUERYCTRL</constant> will return the name of this
-control class which can be used as the title of a tab page within a
-control panel.</para>
-
-      <para>The flags field of &v4l2-queryctrl; also contains hints on
-the behavior of the control. See the &VIDIOC-QUERYCTRL; documentation
-for more details.</para>
-    </section>
-
-    <section id="mpeg-controls">
-      <title>Codec Control Reference</title>
-
-      <para>Below all controls within the Codec control class are
-described. First the generic controls, then controls specific for
-certain hardware.</para>
-
-      <para>Note: These controls are applicable to all codecs and
-not just MPEG. The defines are prefixed with V4L2_CID_MPEG/V4L2_MPEG
-as the controls were originally made for MPEG codecs and later
-extended to cover all encoding formats.</para>
-
-      <section>
-	<title>Generic Codec Controls</title>
-
-	<table pgwide="1" frame="none" id="mpeg-control-id">
-	  <title>Codec Control IDs</title>
-	  <tgroup cols="4">
-	    <colspec colname="c1" colwidth="1*" />
-	    <colspec colname="c2" colwidth="6*" />
-	    <colspec colname="c3" colwidth="2*" />
-	    <colspec colname="c4" colwidth="6*" />
-	    <spanspec namest="c1" nameend="c2" spanname="id" />
-	    <spanspec namest="c2" nameend="c4" spanname="descr" />
-	    <thead>
-	      <row>
-		<entry spanname="id" align="left">ID</entry>
-		<entry align="left">Type</entry>
-	      </row><row rowsep="1"><entry spanname="descr" align="left">Description</entry>
-	      </row>
-	    </thead>
-	    <tbody valign="top">
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_CLASS</constant>&nbsp;</entry>
-		<entry>class</entry>
-	      </row><row><entry spanname="descr">The Codec class
-descriptor. Calling &VIDIOC-QUERYCTRL; for this control will return a
-description of this control class. This description can be used as the
-caption of a Tab page in a GUI, for example.</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-stream-type">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_STREAM_TYPE</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_stream_type</entry>
-	      </row><row><entry spanname="descr">The MPEG-1, -2 or -4
-output stream type. One cannot assume anything here. Each hardware
-MPEG encoder tends to support different subsets of the available MPEG
-stream types. This control is specific to multiplexed MPEG streams.
-The currently defined stream types are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_STREAM_TYPE_MPEG2_PS</constant>&nbsp;</entry>
-		      <entry>MPEG-2 program stream</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_STREAM_TYPE_MPEG2_TS</constant>&nbsp;</entry>
-		      <entry>MPEG-2 transport stream</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_STREAM_TYPE_MPEG1_SS</constant>&nbsp;</entry>
-		      <entry>MPEG-1 system stream</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_STREAM_TYPE_MPEG2_DVD</constant>&nbsp;</entry>
-		      <entry>MPEG-2 DVD-compatible stream</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_STREAM_TYPE_MPEG1_VCD</constant>&nbsp;</entry>
-		      <entry>MPEG-1 VCD-compatible stream</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD</constant>&nbsp;</entry>
-		      <entry>MPEG-2 SVCD-compatible stream</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_STREAM_PID_PMT</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row><row><entry spanname="descr">Program Map Table
-Packet ID for the MPEG transport stream (default 16)</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_STREAM_PID_AUDIO</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row><row><entry spanname="descr">Audio Packet ID for
-the MPEG transport stream (default 256)</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_STREAM_PID_VIDEO</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row><row><entry spanname="descr">Video Packet ID for
-the MPEG transport stream (default 260)</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_STREAM_PID_PCR</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row><row><entry spanname="descr">Packet ID for the
-MPEG transport stream carrying PCR fields (default 259)</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_STREAM_PES_ID_AUDIO</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row><row><entry spanname="descr">Audio ID for MPEG
-PES</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_STREAM_PES_ID_VIDEO</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row><row><entry spanname="descr">Video ID for MPEG
-PES</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-stream-vbi-fmt">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_STREAM_VBI_FMT</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_stream_vbi_fmt</entry>
-	      </row><row><entry spanname="descr">Some cards can embed
-VBI data (&eg; Closed Caption, Teletext) into the MPEG stream. This
-control selects whether VBI data should be embedded, and if so, what
-embedding method should be used. The list of possible VBI formats
-depends on the driver. The currently defined VBI format types
-are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_STREAM_VBI_FMT_NONE</constant>&nbsp;</entry>
-		      <entry>No VBI in the MPEG stream</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_STREAM_VBI_FMT_IVTV</constant>&nbsp;</entry>
-		      <entry>VBI in private packets, IVTV format (documented
-in the kernel sources in the file <filename>Documentation/video4linux/cx2341x/README.vbi</filename>)</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-audio-sampling-freq">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_audio_sampling_freq</entry>
-	      </row><row><entry spanname="descr">MPEG Audio sampling
-frequency. Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100</constant>&nbsp;</entry>
-		      <entry>44.1 kHz</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000</constant>&nbsp;</entry>
-		      <entry>48 kHz</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000</constant>&nbsp;</entry>
-		      <entry>32 kHz</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-audio-encoding">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_AUDIO_ENCODING</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_audio_encoding</entry>
-	      </row><row><entry spanname="descr">MPEG Audio encoding.
-This control is specific to multiplexed MPEG streams.
-Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_ENCODING_LAYER_1</constant>&nbsp;</entry>
-		      <entry>MPEG-1/2 Layer I encoding</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_ENCODING_LAYER_2</constant>&nbsp;</entry>
-		      <entry>MPEG-1/2 Layer II encoding</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_ENCODING_LAYER_3</constant>&nbsp;</entry>
-		      <entry>MPEG-1/2 Layer III encoding</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_ENCODING_AAC</constant>&nbsp;</entry>
-		      <entry>MPEG-2/4 AAC (Advanced Audio Coding)</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_ENCODING_AC3</constant>&nbsp;</entry>
-		      <entry>AC-3 aka ATSC A/52 encoding</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-audio-l1-bitrate">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_AUDIO_L1_BITRATE</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_audio_l1_bitrate</entry>
-	      </row><row><entry spanname="descr">MPEG-1/2 Layer I bitrate.
-Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L1_BITRATE_32K</constant>&nbsp;</entry>
-		      <entry>32 kbit/s</entry></row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L1_BITRATE_64K</constant>&nbsp;</entry>
-		      <entry>64 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L1_BITRATE_96K</constant>&nbsp;</entry>
-		      <entry>96 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L1_BITRATE_128K</constant>&nbsp;</entry>
-		      <entry>128 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L1_BITRATE_160K</constant>&nbsp;</entry>
-		      <entry>160 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L1_BITRATE_192K</constant>&nbsp;</entry>
-		      <entry>192 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L1_BITRATE_224K</constant>&nbsp;</entry>
-		      <entry>224 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L1_BITRATE_256K</constant>&nbsp;</entry>
-		      <entry>256 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L1_BITRATE_288K</constant>&nbsp;</entry>
-		      <entry>288 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L1_BITRATE_320K</constant>&nbsp;</entry>
-		      <entry>320 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L1_BITRATE_352K</constant>&nbsp;</entry>
-		      <entry>352 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L1_BITRATE_384K</constant>&nbsp;</entry>
-		      <entry>384 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L1_BITRATE_416K</constant>&nbsp;</entry>
-		      <entry>416 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L1_BITRATE_448K</constant>&nbsp;</entry>
-		      <entry>448 kbit/s</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-audio-l2-bitrate">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_AUDIO_L2_BITRATE</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_audio_l2_bitrate</entry>
-	      </row><row><entry spanname="descr">MPEG-1/2 Layer II bitrate.
-Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L2_BITRATE_32K</constant>&nbsp;</entry>
-		      <entry>32 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L2_BITRATE_48K</constant>&nbsp;</entry>
-		      <entry>48 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L2_BITRATE_56K</constant>&nbsp;</entry>
-		      <entry>56 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L2_BITRATE_64K</constant>&nbsp;</entry>
-		      <entry>64 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L2_BITRATE_80K</constant>&nbsp;</entry>
-		      <entry>80 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L2_BITRATE_96K</constant>&nbsp;</entry>
-		      <entry>96 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L2_BITRATE_112K</constant>&nbsp;</entry>
-		      <entry>112 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L2_BITRATE_128K</constant>&nbsp;</entry>
-		      <entry>128 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L2_BITRATE_160K</constant>&nbsp;</entry>
-		      <entry>160 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L2_BITRATE_192K</constant>&nbsp;</entry>
-		      <entry>192 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L2_BITRATE_224K</constant>&nbsp;</entry>
-		      <entry>224 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L2_BITRATE_256K</constant>&nbsp;</entry>
-		      <entry>256 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L2_BITRATE_320K</constant>&nbsp;</entry>
-		      <entry>320 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L2_BITRATE_384K</constant>&nbsp;</entry>
-		      <entry>384 kbit/s</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-audio-l3-bitrate">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_AUDIO_L3_BITRATE</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_audio_l3_bitrate</entry>
-	      </row><row><entry spanname="descr">MPEG-1/2 Layer III bitrate.
-Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L3_BITRATE_32K</constant>&nbsp;</entry>
-		      <entry>32 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L3_BITRATE_40K</constant>&nbsp;</entry>
-		      <entry>40 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L3_BITRATE_48K</constant>&nbsp;</entry>
-		      <entry>48 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L3_BITRATE_56K</constant>&nbsp;</entry>
-		      <entry>56 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L3_BITRATE_64K</constant>&nbsp;</entry>
-		      <entry>64 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L3_BITRATE_80K</constant>&nbsp;</entry>
-		      <entry>80 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L3_BITRATE_96K</constant>&nbsp;</entry>
-		      <entry>96 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L3_BITRATE_112K</constant>&nbsp;</entry>
-		      <entry>112 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L3_BITRATE_128K</constant>&nbsp;</entry>
-		      <entry>128 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L3_BITRATE_160K</constant>&nbsp;</entry>
-		      <entry>160 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L3_BITRATE_192K</constant>&nbsp;</entry>
-		      <entry>192 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L3_BITRATE_224K</constant>&nbsp;</entry>
-		      <entry>224 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L3_BITRATE_256K</constant>&nbsp;</entry>
-		      <entry>256 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_L3_BITRATE_320K</constant>&nbsp;</entry>
-		      <entry>320 kbit/s</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_AUDIO_AAC_BITRATE</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row><row><entry spanname="descr">AAC bitrate in bits per second.</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-audio-ac3-bitrate">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_AUDIO_AC3_BITRATE</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_audio_ac3_bitrate</entry>
-	      </row><row><entry spanname="descr">AC-3 bitrate.
-Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_AC3_BITRATE_32K</constant>&nbsp;</entry>
-		      <entry>32 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_AC3_BITRATE_40K</constant>&nbsp;</entry>
-		      <entry>40 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_AC3_BITRATE_48K</constant>&nbsp;</entry>
-		      <entry>48 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_AC3_BITRATE_56K</constant>&nbsp;</entry>
-		      <entry>56 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_AC3_BITRATE_64K</constant>&nbsp;</entry>
-		      <entry>64 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_AC3_BITRATE_80K</constant>&nbsp;</entry>
-		      <entry>80 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_AC3_BITRATE_96K</constant>&nbsp;</entry>
-		      <entry>96 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_AC3_BITRATE_112K</constant>&nbsp;</entry>
-		      <entry>112 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_AC3_BITRATE_128K</constant>&nbsp;</entry>
-		      <entry>128 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_AC3_BITRATE_160K</constant>&nbsp;</entry>
-		      <entry>160 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_AC3_BITRATE_192K</constant>&nbsp;</entry>
-		      <entry>192 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_AC3_BITRATE_224K</constant>&nbsp;</entry>
-		      <entry>224 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_AC3_BITRATE_256K</constant>&nbsp;</entry>
-		      <entry>256 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_AC3_BITRATE_320K</constant>&nbsp;</entry>
-		      <entry>320 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_AC3_BITRATE_384K</constant>&nbsp;</entry>
-		      <entry>384 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_AC3_BITRATE_448K</constant>&nbsp;</entry>
-		      <entry>448 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_AC3_BITRATE_512K</constant>&nbsp;</entry>
-		      <entry>512 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_AC3_BITRATE_576K</constant>&nbsp;</entry>
-		      <entry>576 kbit/s</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_AC3_BITRATE_640K</constant>&nbsp;</entry>
-		      <entry>640 kbit/s</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-audio-mode">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_AUDIO_MODE</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_audio_mode</entry>
-	      </row><row><entry spanname="descr">MPEG Audio mode.
-Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_MODE_STEREO</constant>&nbsp;</entry>
-		      <entry>Stereo</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_MODE_JOINT_STEREO</constant>&nbsp;</entry>
-		      <entry>Joint Stereo</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_MODE_DUAL</constant>&nbsp;</entry>
-		      <entry>Bilingual</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_MODE_MONO</constant>&nbsp;</entry>
-		      <entry>Mono</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-audio-mode-extension">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_AUDIO_MODE_EXTENSION</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_audio_mode_extension</entry>
-	      </row><row><entry spanname="descr">Joint Stereo
-audio mode extension. In Layer I and II they indicate which subbands
-are in intensity stereo. All other subbands are coded in stereo. Layer
-III is not (yet) supported. Possible values
-are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4</constant>&nbsp;</entry>
-		      <entry>Subbands 4-31 in intensity stereo</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_8</constant>&nbsp;</entry>
-		      <entry>Subbands 8-31 in intensity stereo</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_12</constant>&nbsp;</entry>
-		      <entry>Subbands 12-31 in intensity stereo</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16</constant>&nbsp;</entry>
-		      <entry>Subbands 16-31 in intensity stereo</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-audio-emphasis">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_AUDIO_EMPHASIS</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_audio_emphasis</entry>
-	      </row><row><entry spanname="descr">Audio Emphasis.
-Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_EMPHASIS_NONE</constant>&nbsp;</entry>
-		      <entry>None</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_EMPHASIS_50_DIV_15_uS</constant>&nbsp;</entry>
-		      <entry>50/15 microsecond emphasis</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17</constant>&nbsp;</entry>
-		      <entry>CCITT J.17</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-audio-crc">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_AUDIO_CRC</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_audio_crc</entry>
-	      </row><row><entry spanname="descr">CRC method. Possible
-values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_CRC_NONE</constant>&nbsp;</entry>
-		      <entry>None</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_CRC_CRC16</constant>&nbsp;</entry>
-		      <entry>16 bit parity check</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_AUDIO_MUTE</constant>&nbsp;</entry>
-		<entry>boolean</entry>
-	      </row><row><entry spanname="descr">Mutes the audio when
-capturing. This is not done by muting audio hardware, which can still
-produce a slight hiss, but in the encoder itself, guaranteeing a fixed
-and reproducible audio bitstream. 0 = unmuted, 1 = muted.</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-audio-dec-playback">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_audio_dec_playback</entry>
-	      </row><row><entry spanname="descr">Determines how monolingual audio should be played back.
-Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_DEC_PLAYBACK_AUTO</constant>&nbsp;</entry>
-		      <entry>Automatically determines the best playback mode.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_DEC_PLAYBACK_STEREO</constant>&nbsp;</entry>
-		      <entry>Stereo playback.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_DEC_PLAYBACK_LEFT</constant>&nbsp;</entry>
-		      <entry>Left channel playback.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_DEC_PLAYBACK_RIGHT</constant>&nbsp;</entry>
-		      <entry>Right channel playback.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_DEC_PLAYBACK_MONO</constant>&nbsp;</entry>
-		      <entry>Mono playback.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_AUDIO_DEC_PLAYBACK_SWAPPED_STEREO</constant>&nbsp;</entry>
-		      <entry>Stereo playback with swapped left and right channels.</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-audio-dec-multilingual-playback">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_AUDIO_DEC_MULTILINGUAL_PLAYBACK</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_audio_dec_playback</entry>
-	      </row><row><entry spanname="descr">Determines how multilingual audio should be played back.</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-video-encoding">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_ENCODING</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_video_encoding</entry>
-	      </row><row><entry spanname="descr">MPEG Video encoding
-method. This control is specific to multiplexed MPEG streams.
-Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_ENCODING_MPEG_1</constant>&nbsp;</entry>
-		      <entry>MPEG-1 Video encoding</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_ENCODING_MPEG_2</constant>&nbsp;</entry>
-		      <entry>MPEG-2 Video encoding</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC</constant>&nbsp;</entry>
-		      <entry>MPEG-4 AVC (H.264) Video encoding</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-video-aspect">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_ASPECT</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_video_aspect</entry>
-	      </row><row><entry spanname="descr">Video aspect.
-Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_ASPECT_1x1</constant>&nbsp;</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_ASPECT_4x3</constant>&nbsp;</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_ASPECT_16x9</constant>&nbsp;</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_ASPECT_221x100</constant>&nbsp;</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_B_FRAMES</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row><row><entry spanname="descr">Number of B-Frames
-(default 2)</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_GOP_SIZE</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row><row><entry spanname="descr">GOP size (default
-12)</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_GOP_CLOSURE</constant>&nbsp;</entry>
-		<entry>boolean</entry>
-	      </row><row><entry spanname="descr">GOP closure (default
-1)</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_PULLDOWN</constant>&nbsp;</entry>
-		<entry>boolean</entry>
-	      </row><row><entry spanname="descr">Enable 3:2 pulldown
-(default 0)</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-video-bitrate-mode">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_BITRATE_MODE</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_video_bitrate_mode</entry>
-	      </row><row><entry spanname="descr">Video bitrate mode.
-Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_BITRATE_MODE_VBR</constant>&nbsp;</entry>
-		      <entry>Variable bitrate</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_BITRATE_MODE_CBR</constant>&nbsp;</entry>
-		      <entry>Constant bitrate</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_BITRATE</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row><row><entry spanname="descr">Video bitrate in bits
-per second.</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_BITRATE_PEAK</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row><row><entry spanname="descr">Peak video bitrate in
-bits per second. Must be larger or equal to the average video bitrate.
-It is ignored if the video bitrate mode is set to constant
-bitrate.</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row><row><entry spanname="descr">For every captured
-frame, skip this many subsequent frames (default 0).</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_MUTE</constant>&nbsp;</entry>
-		<entry>boolean</entry>
-	      </row>
-	      <row><entry spanname="descr">"Mutes" the video to a
-fixed color when capturing. This is useful for testing, to produce a
-fixed video bitstream. 0 = unmuted, 1 = muted.</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_MUTE_YUV</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row><row><entry spanname="descr">Sets the "mute" color
-of the video. The supplied 32-bit integer is interpreted as follows (bit
-0 = least significant bit):</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry>Bit 0:7</entry>
-		      <entry>V chrominance information</entry>
-		    </row>
-		    <row>
-		      <entry>Bit 8:15</entry>
-		      <entry>U chrominance information</entry>
-		    </row>
-		    <row>
-		      <entry>Bit 16:23</entry>
-		      <entry>Y luminance information</entry>
-		    </row>
-		    <row>
-		      <entry>Bit 24:31</entry>
-		      <entry>Must be zero.</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-video-dec-pts">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_DEC_PTS</constant>&nbsp;</entry>
-		<entry>integer64</entry>
-	      </row><row><entry spanname="descr">This read-only control returns the
-33-bit video Presentation Time Stamp as defined in ITU T-REC-H.222.0 and ISO/IEC 13818-1 of
-the currently displayed frame. This is the same PTS as is used in &VIDIOC-DECODER-CMD;.</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-video-dec-frame">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_DEC_FRAME</constant>&nbsp;</entry>
-		<entry>integer64</entry>
-	      </row><row><entry spanname="descr">This read-only control returns the
-frame counter of the frame that is currently displayed (decoded). This value is reset to 0 whenever
-the decoder is started.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE</constant>&nbsp;</entry>
-		<entry>boolean</entry>
-	      </row>
-	      <row><entry spanname="descr">If enabled the decoder expects to receive a single slice per buffer, otherwise
-the decoder expects a single frame in per buffer. Applicable to the decoder, all codecs.
-</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_ENABLE</constant>&nbsp;</entry>
-		<entry>boolean</entry>
-	      </row>
-	      <row><entry spanname="descr">Enable writing sample aspect ratio in the Video Usability Information.
-Applicable to the H264 encoder.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-video-h264-vui-sar-idc">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_IDC</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_video_h264_vui_sar_idc</entry>
-	      </row>
-	      <row><entry spanname="descr">VUI sample aspect ratio indicator for H.264 encoding. The value
-is defined in the table E-1 in the standard. Applicable to the H264 encoder.</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-
-			<row>
-			  <entry><constant>V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_UNSPECIFIED</constant>&nbsp;</entry>
-			  <entry>Unspecified</entry>
-			</row>
-			<row>
-			  <entry><constant>V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_1x1</constant>&nbsp;</entry>
-			  <entry>1x1</entry>
-			</row>
-			<row>
-			  <entry><constant>V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_12x11</constant>&nbsp;</entry>
-			  <entry>12x11</entry>
-			</row>
-			<row>
-			  <entry><constant>V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_10x11</constant>&nbsp;</entry>
-			  <entry>10x11</entry>
-			</row>
-			<row>
-			  <entry><constant>V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_16x11</constant>&nbsp;</entry>
-			  <entry>16x11</entry>
-			</row>
-			<row>
-			  <entry><constant>V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_40x33</constant>&nbsp;</entry>
-			  <entry>40x33</entry>
-			</row>
-			<row>
-			  <entry><constant>V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_24x11</constant>&nbsp;</entry>
-			  <entry>24x11</entry>
-			</row>
-			<row>
-			  <entry><constant>V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_20x11</constant>&nbsp;</entry>
-			  <entry>20x11</entry>
-			</row>
-			<row>
-			  <entry><constant>V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_32x11</constant>&nbsp;</entry>
-			  <entry>32x11</entry>
-			</row>
-			<row>
-			  <entry><constant>V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_80x33</constant>&nbsp;</entry>
-			  <entry>80x33</entry>
-			</row>
-			<row>
-			  <entry><constant>V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_18x11</constant>&nbsp;</entry>
-			  <entry>18x11</entry>
-			</row>
-			<row>
-			  <entry><constant>V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_15x11</constant>&nbsp;</entry>
-			  <entry>15x11</entry>
-			</row>
-			<row>
-			  <entry><constant>V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_64x33</constant>&nbsp;</entry>
-			  <entry>64x33</entry>
-			</row>
-			<row>
-			  <entry><constant>V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_160x99</constant>&nbsp;</entry>
-			  <entry>160x99</entry>
-			</row>
-			<row>
-			  <entry><constant>V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_4x3</constant>&nbsp;</entry>
-			  <entry>4x3</entry>
-			</row>
-			<row>
-			  <entry><constant>V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_3x2</constant>&nbsp;</entry>
-			  <entry>3x2</entry>
-			</row>
-			<row>
-			  <entry><constant>V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_2x1</constant>&nbsp;</entry>
-			  <entry>2x1</entry>
-			</row>
-			<row>
-			  <entry><constant>V4L2_MPEG_VIDEO_H264_VUI_SAR_IDC_EXTENDED</constant>&nbsp;</entry>
-			  <entry>Extended SAR</entry>
-			</row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_WIDTH</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Extended sample aspect ratio width for H.264 VUI encoding.
-Applicable to the H264 encoder.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_HEIGHT</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Extended sample aspect ratio height for H.264 VUI encoding.
-Applicable to the H264 encoder.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-video-h264-level">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_LEVEL</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_video_h264_level</entry>
-	      </row>
-	      <row><entry spanname="descr">The level information for the H264 video elementary stream.
-Applicable to the H264 encoder.
-Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_LEVEL_1_0</constant>&nbsp;</entry>
-		      <entry>Level 1.0</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_LEVEL_1B</constant>&nbsp;</entry>
-		      <entry>Level 1B</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_LEVEL_1_1</constant>&nbsp;</entry>
-		      <entry>Level 1.1</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_LEVEL_1_2</constant>&nbsp;</entry>
-		      <entry>Level 1.2</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_LEVEL_1_3</constant>&nbsp;</entry>
-		      <entry>Level 1.3</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_LEVEL_2_0</constant>&nbsp;</entry>
-		      <entry>Level 2.0</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_LEVEL_2_1</constant>&nbsp;</entry>
-		      <entry>Level 2.1</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_LEVEL_2_2</constant>&nbsp;</entry>
-		      <entry>Level 2.2</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_LEVEL_3_0</constant>&nbsp;</entry>
-		      <entry>Level 3.0</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_LEVEL_3_1</constant>&nbsp;</entry>
-		      <entry>Level 3.1</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_LEVEL_3_2</constant>&nbsp;</entry>
-		      <entry>Level 3.2</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_LEVEL_4_0</constant>&nbsp;</entry>
-		      <entry>Level 4.0</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_LEVEL_4_1</constant>&nbsp;</entry>
-		      <entry>Level 4.1</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_LEVEL_4_2</constant>&nbsp;</entry>
-		      <entry>Level 4.2</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_LEVEL_5_0</constant>&nbsp;</entry>
-		      <entry>Level 5.0</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_LEVEL_5_1</constant>&nbsp;</entry>
-		      <entry>Level 5.1</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-video-mpeg4-level">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_video_mpeg4_level</entry>
-	      </row>
-	      <row><entry spanname="descr">The level information for the MPEG4 elementary stream.
-Applicable to the MPEG4 encoder.
-Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_LEVEL_0</constant>&nbsp;</entry>
-		      <entry>Level 0</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_LEVEL_0B</constant>&nbsp;</entry>
-		      <entry>Level 0b</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_LEVEL_1</constant>&nbsp;</entry>
-		      <entry>Level 1</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_LEVEL_2</constant>&nbsp;</entry>
-		      <entry>Level 2</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_LEVEL_3</constant>&nbsp;</entry>
-		      <entry>Level 3</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_LEVEL_3B</constant>&nbsp;</entry>
-		      <entry>Level 3b</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_LEVEL_4</constant>&nbsp;</entry>
-		      <entry>Level 4</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_LEVEL_5</constant>&nbsp;</entry>
-		      <entry>Level 5</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-video-h264-profile">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_PROFILE</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_video_h264_profile</entry>
-	      </row>
-	      <row><entry spanname="descr">The profile information for H264.
-Applicable to the H264 encoder.
-Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE</constant>&nbsp;</entry>
-		      <entry>Baseline profile</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_BASELINE</constant>&nbsp;</entry>
-		      <entry>Constrained Baseline profile</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_PROFILE_MAIN</constant>&nbsp;</entry>
-		      <entry>Main profile</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED</constant>&nbsp;</entry>
-		      <entry>Extended profile</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_PROFILE_HIGH</constant>&nbsp;</entry>
-		      <entry>High profile</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10</constant>&nbsp;</entry>
-		      <entry>High 10 profile</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_422</constant>&nbsp;</entry>
-		      <entry>High 422 profile</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_PREDICTIVE</constant>&nbsp;</entry>
-		      <entry>High 444 Predictive profile</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_10_INTRA</constant>&nbsp;</entry>
-		      <entry>High 10 Intra profile</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_422_INTRA</constant>&nbsp;</entry>
-		      <entry>High 422 Intra profile</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_PROFILE_HIGH_444_INTRA</constant>&nbsp;</entry>
-		      <entry>High 444 Intra profile</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_PROFILE_CAVLC_444_INTRA</constant>&nbsp;</entry>
-		      <entry>CAVLC 444 Intra profile</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_BASELINE</constant>&nbsp;</entry>
-		      <entry>Scalable Baseline profile</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_HIGH</constant>&nbsp;</entry>
-		      <entry>Scalable High profile</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_HIGH_INTRA</constant>&nbsp;</entry>
-		      <entry>Scalable High Intra profile</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_PROFILE_STEREO_HIGH</constant>&nbsp;</entry>
-		      <entry>Stereo High profile</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH</constant>&nbsp;</entry>
-		      <entry>Multiview High profile</entry>
-		    </row>
-
-		  </tbody>
-		</entrytbl>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-video-mpeg4-profile">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_video_mpeg4_profile</entry>
-	      </row>
-	      <row><entry spanname="descr">The profile information for MPEG4.
-Applicable to the MPEG4 encoder.
-Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_PROFILE_SIMPLE</constant>&nbsp;</entry>
-		      <entry>Simple profile</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_PROFILE_ADVANCED_SIMPLE</constant>&nbsp;</entry>
-		      <entry>Advanced Simple profile</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_PROFILE_CORE</constant>&nbsp;</entry>
-		      <entry>Core profile</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_PROFILE_SIMPLE_SCALABLE</constant>&nbsp;</entry>
-		      <entry>Simple Scalable profile</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_PROFILE_ADVANCED_CODING_EFFICIENCY</constant>&nbsp;</entry>
-		      <entry></entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_MAX_REF_PIC</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">The maximum number of reference pictures used for encoding.
-Applicable to the encoder.
-</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-video-multi-slice-mode">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_video_multi_slice_mode</entry>
-	      </row>
-	      <row><entry spanname="descr">Determines how the encoder should handle division of frame into slices.
-Applicable to the encoder.
-Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_SINGLE</constant>&nbsp;</entry>
-		      <entry>Single slice per frame.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_MB</constant>&nbsp;</entry>
-		      <entry>Multiple slices with set maximum number of macroblocks per slice.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_BYTES</constant>&nbsp;</entry>
-		      <entry>Multiple slice with set maximum size in bytes per slice.</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_MB</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">The maximum number of macroblocks in a slice. Used when
-<constant>V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE</constant> is set to <constant>V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_MB</constant>.
-Applicable to the encoder.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MAX_BYTES</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">The maximum size of a slice in bytes. Used when
-<constant>V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE</constant> is set to <constant>V4L2_MPEG_VIDEO_MULTI_SLICE_MODE_MAX_BYTES</constant>.
-Applicable to the encoder.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-video-h264-loop-filter-mode">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_video_h264_loop_filter_mode</entry>
-	      </row>
-	      <row><entry spanname="descr">Loop filter mode for H264 encoder.
-Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_ENABLED</constant>&nbsp;</entry>
-		      <entry>Loop filter is enabled.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED</constant>&nbsp;</entry>
-		      <entry>Loop filter is disabled.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_LOOP_FILTER_MODE_DISABLED_AT_SLICE_BOUNDARY</constant>&nbsp;</entry>
-		      <entry>Loop filter is disabled at the slice boundary.</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Loop filter alpha coefficient, defined in the H264 standard.
-Applicable to the H264 encoder.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Loop filter beta coefficient, defined in the H264 standard.
-Applicable to the H264 encoder.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-video-h264-entropy-mode">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_video_h264_entropy_mode</entry>
-	      </row>
-	      <row><entry spanname="descr">Entropy coding mode for H264 - CABAC/CAVALC.
-Applicable to the H264 encoder.
-Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CAVLC</constant>&nbsp;</entry>
-		      <entry>Use CAVLC entropy coding.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC</constant>&nbsp;</entry>
-		      <entry>Use CABAC entropy coding.</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_8X8_TRANSFORM</constant>&nbsp;</entry>
-		<entry>boolean</entry>
-	      </row>
-	      <row><entry spanname="descr">Enable 8X8 transform for H264. Applicable to the H264 encoder.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_CYCLIC_INTRA_REFRESH_MB</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Cyclic intra macroblock refresh. This is the number of continuous macroblocks
-refreshed every frame. Each frame a successive set of macroblocks is refreshed until the cycle completes and starts from the
-top of the frame. Applicable to H264, H263 and MPEG4 encoder.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE</constant>&nbsp;</entry>
-		<entry>boolean</entry>
-	      </row>
-	      <row><entry spanname="descr">Frame level rate control enable.
-If this control is disabled then the quantization parameter for each frame type is constant and set with appropriate controls
-(e.g. <constant>V4L2_CID_MPEG_VIDEO_H263_I_FRAME_QP</constant>).
-If frame rate control is enabled then quantization parameter is adjusted to meet the chosen bitrate. Minimum and maximum value
-for the quantization parameter can be set with appropriate controls (e.g. <constant>V4L2_CID_MPEG_VIDEO_H263_MIN_QP</constant>).
-Applicable to encoders.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE</constant>&nbsp;</entry>
-		<entry>boolean</entry>
-	      </row>
-	      <row><entry spanname="descr">Macroblock level rate control enable.
-Applicable to the MPEG4 and H264 encoders.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_MPEG4_QPEL</constant>&nbsp;</entry>
-		<entry>boolean</entry>
-	      </row>
-	      <row><entry spanname="descr">Quarter pixel motion estimation for MPEG4. Applicable to the MPEG4 encoder.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H263_I_FRAME_QP</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Quantization parameter for an I frame for H263. Valid range: from 1 to 31.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H263_MIN_QP</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Minimum quantization parameter for H263. Valid range: from 1 to 31.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H263_MAX_QP</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Maximum quantization parameter for H263. Valid range: from 1 to 31.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H263_P_FRAME_QP</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Quantization parameter for an P frame for H263. Valid range: from 1 to 31.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H263_B_FRAME_QP</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Quantization parameter for an B frame for H263. Valid range: from 1 to 31.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_I_FRAME_QP</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Quantization parameter for an I frame for H264. Valid range: from 0 to 51.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_MIN_QP</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Minimum quantization parameter for H264. Valid range: from 0 to 51.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_MAX_QP</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Maximum quantization parameter for H264. Valid range: from 0 to 51.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_P_FRAME_QP</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Quantization parameter for an P frame for H264. Valid range: from 0 to 51.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_B_FRAME_QP</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Quantization parameter for an B frame for H264. Valid range: from 0 to 51.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_MPEG4_I_FRAME_QP</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Quantization parameter for an I frame for MPEG4. Valid range: from 1 to 31.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_MPEG4_MIN_QP</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Minimum quantization parameter for MPEG4. Valid range: from 1 to 31.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_MPEG4_MAX_QP</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Maximum quantization parameter for MPEG4. Valid range: from 1 to 31.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_MPEG4_P_FRAME_QP</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Quantization parameter for an P frame for MPEG4. Valid range: from 1 to 31.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_MPEG4_B_FRAME_QP</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Quantization parameter for an B frame for MPEG4. Valid range: from 1 to 31.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_VBV_SIZE</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">The Video Buffer Verifier size in kilobytes, it is used as a limitation of frame skip.
-The VBV is defined in the standard as a mean to verify that the produced stream will be successfully decoded.
-The standard describes it as "Part of a hypothetical decoder that is conceptually connected to the
-output of the encoder. Its purpose is to provide a constraint on the variability of the data rate that an
-encoder or editing process may produce.".
-Applicable to the MPEG1, MPEG2, MPEG4 encoders.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-video-vbv-delay">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_VBV_DELAY</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row><row><entry spanname="descr">Sets the initial delay in milliseconds for
-VBV buffer control.</entry>
-	      </row>
-
-		  <row><entry></entry></row>
-	      <row id="v4l2-mpeg-video-hor-search-range">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_MV_H_SEARCH_RANGE</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-		<row><entry spanname="descr">Horizontal search range defines maximum horizontal search area in pixels
-to search and match for the present Macroblock (MB) in the reference picture. This V4L2 control macro is used to set
-horizontal search range for motion estimation module in video encoder.</entry>
-	      </row>
-
-		 <row><entry></entry></row>
-	      <row id="v4l2-mpeg-video-vert-search-range">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_MV_V_SEARCH_RANGE</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-		<row><entry spanname="descr">Vertical search range defines maximum vertical search area in pixels
-to search and match for the present Macroblock (MB) in the reference picture. This V4L2 control macro is used to set
-vertical search range for motion estimation module in video encoder.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-video-force-key-frame">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME</constant>&nbsp;</entry>
-		<entry>button</entry>
-	      </row><row><entry spanname="descr">Force a key frame for the next queued buffer. Applicable to encoders.
-This is a general, codec-agnostic keyframe control.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_CPB_SIZE</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">The Coded Picture Buffer size in kilobytes, it is used as a limitation of frame skip.
-The CPB is defined in the H264 standard as a mean to verify that the produced stream will be successfully decoded.
-Applicable to the H264 encoder.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_I_PERIOD</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Period between I-frames in the open GOP for H264. In case of an open GOP
-this is the period between two I-frames. The period between IDR (Instantaneous Decoding Refresh) frames is taken from the GOP_SIZE control.
-An IDR frame, which stands for Instantaneous Decoding Refresh is an I-frame after which no prior frames are
-referenced. This means that a stream can be restarted from an IDR frame without the need to store or decode any
-previous frames. Applicable to the H264 encoder.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-video-header-mode">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_HEADER_MODE</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_video_header_mode</entry>
-	      </row>
-	      <row><entry spanname="descr">Determines whether the header is returned as the first buffer or is
-it returned together with the first frame. Applicable to encoders.
-Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE</constant>&nbsp;</entry>
-		      <entry>The stream header is returned separately in the first buffer.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_HEADER_MODE_JOINED_WITH_1ST_FRAME</constant>&nbsp;</entry>
-		      <entry>The stream header is returned together with the first encoded frame.</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_REPEAT_SEQ_HEADER</constant>&nbsp;</entry>
-		<entry>boolean</entry>
-	      </row><row><entry spanname="descr">Repeat the video sequence headers. Repeating these
-headers makes random access to the video stream easier. Applicable to the MPEG1, 2 and 4 encoder.</entry>
-	      </row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER</constant>&nbsp;</entry>
-		<entry>boolean</entry>
-	      </row><row><entry spanname="descr">Enabled the deblocking post processing filter for MPEG4 decoder.
-Applicable to the MPEG4 decoder.</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_MPEG4_VOP_TIME_RES</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row><row><entry spanname="descr">vop_time_increment_resolution value for MPEG4. Applicable to the MPEG4 encoder.</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_MPEG4_VOP_TIME_INC</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row><row><entry spanname="descr">vop_time_increment value for MPEG4. Applicable to the MPEG4 encoder.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_SEI_FRAME_PACKING</constant>&nbsp;</entry>
-		<entry>boolean</entry>
-	      </row>
-	      <row><entry spanname="descr">Enable generation of frame packing supplemental enhancement information in the encoded bitstream.
-The frame packing SEI message contains the arrangement of L and R planes for 3D viewing. Applicable to the H264 encoder.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_SEI_FP_CURRENT_FRAME_0</constant>&nbsp;</entry>
-		<entry>boolean</entry>
-	      </row>
-	      <row><entry spanname="descr">Sets current frame as frame0 in frame packing SEI.
-Applicable to the H264 encoder.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-video-h264-sei-fp-arrangement-type">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_video_h264_sei_fp_arrangement_type</entry>
-	      </row>
-	      <row><entry spanname="descr">Frame packing arrangement type for H264 SEI.
-Applicable to the H264 encoder.
-Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_CHEKERBOARD</constant>&nbsp;</entry>
-		      <entry>Pixels are alternatively from L and R.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_COLUMN</constant>&nbsp;</entry>
-		      <entry>L and R are interlaced by column.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_ROW</constant>&nbsp;</entry>
-		      <entry>L and R are interlaced by row.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_SIDE_BY_SIDE</constant>&nbsp;</entry>
-		      <entry>L is on the left, R on the right.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_TOP_BOTTOM</constant>&nbsp;</entry>
-		      <entry>L is on top, R on bottom.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE_TEMPORAL</constant>&nbsp;</entry>
-		      <entry>One view per frame.</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_FMO</constant>&nbsp;</entry>
-		<entry>boolean</entry>
-	      </row>
-	      <row><entry spanname="descr">Enables flexible macroblock ordering in the encoded bitstream. It is a technique
-used for restructuring the ordering of macroblocks in pictures. Applicable to the H264 encoder.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-video-h264-fmo-map-type">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_FMO_MAP_TYPE</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_video_h264_fmo_map_type</entry>
-	      </row>
-	      <row><entry spanname="descr">When using FMO, the map type divides the image in different scan patterns of macroblocks.
-Applicable to the H264 encoder.
-Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_INTERLEAVED_SLICES</constant>&nbsp;</entry>
-		      <entry>Slices are interleaved one after other with macroblocks in run length order.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_SCATTERED_SLICES</constant>&nbsp;</entry>
-		      <entry>Scatters the macroblocks based on a mathematical function known to both encoder and decoder.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_FOREGROUND_WITH_LEFT_OVER</constant>&nbsp;</entry>
-		      <entry>Macroblocks arranged in rectangular areas or regions of interest.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_BOX_OUT</constant>&nbsp;</entry>
-		      <entry>Slice groups grow in a cyclic way from centre to outwards.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_RASTER_SCAN</constant>&nbsp;</entry>
-		      <entry>Slice groups grow in raster scan pattern from left to right.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_WIPE_SCAN</constant>&nbsp;</entry>
-		      <entry>Slice groups grow in wipe scan pattern from top to bottom.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_FMO_MAP_TYPE_EXPLICIT</constant>&nbsp;</entry>
-		      <entry>User defined map type.</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_FMO_SLICE_GROUP</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Number of slice groups in FMO.
-Applicable to the H264 encoder.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-video-h264-fmo-change-direction">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_FMO_CHANGE_DIRECTION</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_video_h264_fmo_change_dir</entry>
-	      </row>
-	      <row><entry spanname="descr">Specifies a direction of the slice group change for raster and wipe maps.
-Applicable to the H264 encoder.
-Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_FMO_CHANGE_DIR_RIGHT</constant>&nbsp;</entry>
-		      <entry>Raster scan or wipe right.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_FMO_CHANGE_DIR_LEFT</constant>&nbsp;</entry>
-		      <entry>Reverse raster scan or wipe left.</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_FMO_CHANGE_RATE</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Specifies the size of the first slice group for raster and wipe map.
-Applicable to the H264 encoder.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_FMO_RUN_LENGTH</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Specifies the number of consecutive macroblocks for the interleaved map.
-Applicable to the H264 encoder.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_ASO</constant>&nbsp;</entry>
-		<entry>boolean</entry>
-	      </row>
-	      <row><entry spanname="descr">Enables arbitrary slice ordering in encoded bitstream.
-Applicable to the H264 encoder.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_ASO_SLICE_ORDER</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row><row><entry spanname="descr">Specifies the slice order in ASO. Applicable to the H264 encoder.
-The supplied 32-bit integer is interpreted as follows (bit
-0 = least significant bit):</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry>Bit 0:15</entry>
-		      <entry>Slice ID</entry>
-		    </row>
-		    <row>
-		      <entry>Bit 16:32</entry>
-		      <entry>Slice position or order</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING</constant>&nbsp;</entry>
-		<entry>boolean</entry>
-	      </row>
-	      <row><entry spanname="descr">Enables H264 hierarchical coding.
-Applicable to the H264 encoder.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-video-h264-hierarchical-coding-type">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_TYPE</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_video_h264_hierarchical_coding_type</entry>
-	      </row>
-	      <row><entry spanname="descr">Specifies the hierarchical coding type.
-Applicable to the H264 encoder.
-Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_HIERARCHICAL_CODING_B</constant>&nbsp;</entry>
-		      <entry>Hierarchical B coding.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_VIDEO_H264_HIERARCHICAL_CODING_P</constant>&nbsp;</entry>
-		      <entry>Hierarchical P coding.</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Specifies the number of hierarchical coding layers.
-Applicable to the H264 encoder.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_H264_HIERARCHICAL_CODING_LAYER_QP</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row><row><entry spanname="descr">Specifies a user defined QP for each layer. Applicable to the H264 encoder.
-The supplied 32-bit integer is interpreted as follows (bit
-0 = least significant bit):</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry>Bit 0:15</entry>
-		      <entry>QP value</entry>
-		    </row>
-		    <row>
-		      <entry>Bit 16:32</entry>
-		      <entry>Layer number</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-
-	    </tbody>
-	  </tgroup>
-	</table>
-      </section>
-
-      <section>
-	<title>MFC 5.1 MPEG Controls</title>
-
-	<para>The following MPEG class controls deal with MPEG
-decoding and encoding settings that are specific to the Multi Format Codec 5.1 device present
-in the S5P family of SoCs by Samsung.
-</para>
-
-	<table pgwide="1" frame="none" id="mfc51-control-id">
-	  <title>MFC 5.1 Control IDs</title>
-	  <tgroup cols="4">
-	    <colspec colname="c1" colwidth="1*" />
-	    <colspec colname="c2" colwidth="6*" />
-	    <colspec colname="c3" colwidth="2*" />
-	    <colspec colname="c4" colwidth="6*" />
-	    <spanspec namest="c1" nameend="c2" spanname="id" />
-	    <spanspec namest="c2" nameend="c4" spanname="descr" />
-	    <thead>
-	      <row>
-		<entry spanname="id" align="left">ID</entry>
-		<entry align="left">Type</entry>
-	      </row><row><entry spanname="descr" align="left">Description</entry>
-	      </row>
-	    </thead>
-	    <tbody valign="top">
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY_ENABLE</constant>&nbsp;</entry>
-		<entry>boolean</entry>
-	      </row><row><entry spanname="descr">If the display delay is enabled then the decoder is forced to return a
-CAPTURE buffer (decoded frame) after processing a certain number of OUTPUT buffers. The delay can be set through
-<constant>V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY</constant>. This feature can be used for example
-for generating thumbnails of videos. Applicable to the H264 decoder.
-	      </entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_MFC51_VIDEO_DECODER_H264_DISPLAY_DELAY</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row><row><entry spanname="descr">Display delay value for H264 decoder.
-The decoder is forced to return a decoded frame after the set 'display delay' number of frames. If this number is
-low it may result in frames returned out of dispaly order, in addition the hardware may still be using the returned buffer
-as a reference picture for subsequent frames.
-</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_MFC51_VIDEO_H264_NUM_REF_PIC_FOR_P</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row><row><entry spanname="descr">The number of reference pictures used for encoding a P picture.
-Applicable to the H264 encoder.</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_MFC51_VIDEO_PADDING</constant>&nbsp;</entry>
-		<entry>boolean</entry>
-	      </row><row><entry spanname="descr">Padding enable in the encoder - use a color instead of repeating border pixels.
-Applicable to encoders.</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_MFC51_VIDEO_PADDING_YUV</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row><row><entry spanname="descr">Padding color in the encoder. Applicable to encoders. The supplied 32-bit integer is interpreted as follows (bit
-0 = least significant bit):</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry>Bit 0:7</entry>
-		      <entry>V chrominance information</entry>
-		    </row>
-		    <row>
-		      <entry>Bit 8:15</entry>
-		      <entry>U chrominance information</entry>
-		    </row>
-		    <row>
-		      <entry>Bit 16:23</entry>
-		      <entry>Y luminance information</entry>
-		    </row>
-		    <row>
-		      <entry>Bit 24:31</entry>
-		      <entry>Must be zero.</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_MFC51_VIDEO_RC_REACTION_COEFF</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row><row><entry spanname="descr">Reaction coefficient for MFC rate control. Applicable to encoders.
-<para>Note 1: Valid only when the frame level RC is enabled.</para>
-<para>Note 2: For tight CBR, this field must be small (ex. 2 ~ 10).
-For VBR, this field must be large (ex. 100 ~ 1000).</para>
-<para>Note 3: It is not recommended to use the greater number than FRAME_RATE * (10^9 / BIT_RATE).</para>
-</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_MFC51_VIDEO_H264_ADAPTIVE_RC_DARK</constant>&nbsp;</entry>
-		<entry>boolean</entry>
-	      </row><row><entry spanname="descr">Adaptive rate control for dark region.
-Valid only when H.264 and macroblock level RC is enabled (<constant>V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE</constant>).
-Applicable to the H264 encoder.</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_MFC51_VIDEO_H264_ADAPTIVE_RC_SMOOTH</constant>&nbsp;</entry>
-		<entry>boolean</entry>
-	      </row><row><entry spanname="descr">Adaptive rate control for smooth region.
-Valid only when H.264 and macroblock level RC is enabled (<constant>V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE</constant>).
-Applicable to the H264 encoder.</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_MFC51_VIDEO_H264_ADAPTIVE_RC_STATIC</constant>&nbsp;</entry>
-		<entry>boolean</entry>
-	      </row><row><entry spanname="descr">Adaptive rate control for static region.
-Valid only when H.264 and macroblock level RC is enabled (<constant>V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE</constant>).
-Applicable to the H264 encoder.</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_MFC51_VIDEO_H264_ADAPTIVE_RC_ACTIVITY</constant>&nbsp;</entry>
-		<entry>boolean</entry>
-	      </row><row><entry spanname="descr">Adaptive rate control for activity region.
-Valid only when H.264 and macroblock level RC is enabled (<constant>V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE</constant>).
-Applicable to the H264 encoder.</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-mfc51-video-frame-skip-mode">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_mfc51_video_frame_skip_mode</entry>
-	      </row>
-	      <row><entry spanname="descr">
-Indicates in what conditions the encoder should skip frames. If encoding a frame would cause the encoded stream to be larger then
-a chosen data limit then the frame will be skipped.
-Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_MFC51_FRAME_SKIP_MODE_DISABLED</constant>&nbsp;</entry>
-		      <entry>Frame skip mode is disabled.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_MFC51_FRAME_SKIP_MODE_LEVEL_LIMIT</constant>&nbsp;</entry>
-		      <entry>Frame skip mode enabled and buffer limit is set by the chosen level and is defined by the standard.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_MFC51_FRAME_SKIP_MODE_BUF_LIMIT</constant>&nbsp;</entry>
-		      <entry>Frame skip mode enabled and buffer limit is set by the VBV (MPEG1/2/4) or CPB (H264) buffer size control.</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_MFC51_VIDEO_RC_FIXED_TARGET_BIT</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row><row><entry spanname="descr">Enable rate-control with fixed target bit.
-If this setting is enabled, then the rate control logic of the encoder will calculate the average bitrate
-for a GOP and keep it below or equal the set bitrate target. Otherwise the rate control logic calculates the
-overall average bitrate for the stream and keeps it below or equal to the set bitrate. In the first case
-the average bitrate for the whole stream will be smaller then the set bitrate. This is caused because the
-average is calculated for smaller number of frames, on the other hand enabling this setting will ensure that
-the stream will meet tight bandwidth constraints. Applicable to encoders.
-</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-mfc51-video-force-frame-type">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_MFC51_VIDEO_FORCE_FRAME_TYPE</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_mfc51_video_force_frame_type</entry>
-	      </row>
-	      <row><entry spanname="descr">Force a frame type for the next queued buffer. Applicable to encoders.
-Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_MFC51_FORCE_FRAME_TYPE_DISABLED</constant>&nbsp;</entry>
-		      <entry>Forcing a specific frame type disabled.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_MFC51_FORCE_FRAME_TYPE_I_FRAME</constant>&nbsp;</entry>
-		      <entry>Force an I-frame.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_MFC51_FORCE_FRAME_TYPE_NOT_CODED</constant>&nbsp;</entry>
-		      <entry>Force a non-coded frame.</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-	    </tbody>
-	  </tgroup>
-	</table>
-      </section>
-
-      <section>
-	<title>CX2341x MPEG Controls</title>
-
-	<para>The following MPEG class controls deal with MPEG
-encoding settings that are specific to the Conexant CX23415 and
-CX23416 MPEG encoding chips.</para>
-
-	<table pgwide="1" frame="none" id="cx2341x-control-id">
-	  <title>CX2341x Control IDs</title>
-	  <tgroup cols="4">
-	    <colspec colname="c1" colwidth="1*" />
-	    <colspec colname="c2" colwidth="6*" />
-	    <colspec colname="c3" colwidth="2*" />
-	    <colspec colname="c4" colwidth="6*" />
-	    <spanspec namest="c1" nameend="c2" spanname="id" />
-	    <spanspec namest="c2" nameend="c4" spanname="descr" />
-	    <thead>
-	      <row>
-		<entry spanname="id" align="left">ID</entry>
-		<entry align="left">Type</entry>
-	      </row><row><entry spanname="descr" align="left">Description</entry>
-	      </row>
-	    </thead>
-	    <tbody valign="top">
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-cx2341x-video-spatial-filter-mode">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_cx2341x_video_spatial_filter_mode</entry>
-	      </row><row><entry spanname="descr">Sets the Spatial
-Filter mode (default <constant>MANUAL</constant>). Possible values
-are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL</constant>&nbsp;</entry>
-		      <entry>Choose the filter manually</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO</constant>&nbsp;</entry>
-		      <entry>Choose the filter automatically</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER</constant>&nbsp;</entry>
-		<entry>integer&nbsp;(0-15)</entry>
-	      </row><row><entry spanname="descr">The setting for the
-Spatial Filter. 0 = off, 15 = maximum. (Default is 0.)</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row id="luma-spatial-filter-type">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_cx2341x_video_luma_spatial_filter_type</entry>
-	      </row><row><entry spanname="descr">Select the algorithm
-to use for the Luma Spatial Filter (default
-<constant>1D_HOR</constant>). Possible values:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_OFF</constant>&nbsp;</entry>
-		      <entry>No filter</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_HOR</constant>&nbsp;</entry>
-		      <entry>One-dimensional horizontal</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_VERT</constant>&nbsp;</entry>
-		      <entry>One-dimensional vertical</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_HV_SEPARABLE</constant>&nbsp;</entry>
-		      <entry>Two-dimensional separable</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_SYM_NON_SEPARABLE</constant>&nbsp;</entry>
-		      <entry>Two-dimensional symmetrical
-non-separable</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-	      <row><entry></entry></row>
-	      <row id="chroma-spatial-filter-type">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_cx2341x_video_chroma_spatial_filter_type</entry>
-	      </row><row><entry spanname="descr">Select the algorithm
-for the Chroma Spatial Filter (default <constant>1D_HOR</constant>).
-Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_OFF</constant>&nbsp;</entry>
-		      <entry>No filter</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR</constant>&nbsp;</entry>
-		      <entry>One-dimensional horizontal</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-cx2341x-video-temporal-filter-mode">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_cx2341x_video_temporal_filter_mode</entry>
-	      </row><row><entry spanname="descr">Sets the Temporal
-Filter mode (default <constant>MANUAL</constant>). Possible values
-are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL</constant>&nbsp;</entry>
-		      <entry>Choose the filter manually</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO</constant>&nbsp;</entry>
-		      <entry>Choose the filter automatically</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER</constant>&nbsp;</entry>
-		<entry>integer&nbsp;(0-31)</entry>
-	      </row><row><entry spanname="descr">The setting for the
-Temporal Filter. 0 = off, 31 = maximum. (Default is 8 for full-scale
-capturing and 0 for scaled capturing.)</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row id="v4l2-mpeg-cx2341x-video-median-filter-type">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE</constant>&nbsp;</entry>
-		<entry>enum&nbsp;v4l2_mpeg_cx2341x_video_median_filter_type</entry>
-	      </row><row><entry spanname="descr">Median Filter Type
-(default <constant>OFF</constant>). Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF</constant>&nbsp;</entry>
-		      <entry>No filter</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR</constant>&nbsp;</entry>
-		      <entry>Horizontal filter</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_VERT</constant>&nbsp;</entry>
-		      <entry>Vertical filter</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR_VERT</constant>&nbsp;</entry>
-		      <entry>Horizontal and vertical filter</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_DIAG</constant>&nbsp;</entry>
-		      <entry>Diagonal filter</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM</constant>&nbsp;</entry>
-		<entry>integer&nbsp;(0-255)</entry>
-	      </row><row><entry spanname="descr">Threshold above which
-the luminance median filter is enabled (default 0)</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP</constant>&nbsp;</entry>
-		<entry>integer&nbsp;(0-255)</entry>
-	      </row><row><entry spanname="descr">Threshold below which
-the luminance median filter is enabled (default 255)</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM</constant>&nbsp;</entry>
-		<entry>integer&nbsp;(0-255)</entry>
-	      </row><row><entry spanname="descr">Threshold above which
-the chroma median filter is enabled (default 0)</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP</constant>&nbsp;</entry>
-		<entry>integer&nbsp;(0-255)</entry>
-	      </row><row><entry spanname="descr">Threshold below which
-the chroma median filter is enabled (default 255)</entry>
-	      </row>
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS</constant>&nbsp;</entry>
-		<entry>boolean</entry>
-	      </row>
-	      <row><entry spanname="descr">The CX2341X MPEG encoder
-can insert one empty MPEG-2 PES packet into the stream between every
-four video frames. The packet size is 2048 bytes, including the
-packet_start_code_prefix and stream_id fields. The stream_id is 0xBF
-(private stream 2). The payload consists of 0x00 bytes, to be filled
-in by the application. 0 = do not insert, 1 = insert packets.</entry>
-	      </row>
-	    </tbody>
-	  </tgroup>
-	</table>
-      </section>
-
-    <section>
-      <title>VPX Control Reference</title>
-
-      <para>The VPX controls include controls for encoding parameters
-      of VPx video codec.</para>
-
-      <table pgwide="1" frame="none" id="vpx-control-id">
-      <title>VPX Control IDs</title>
-
-      <tgroup cols="4">
-        <colspec colname="c1" colwidth="1*" />
-        <colspec colname="c2" colwidth="6*" />
-        <colspec colname="c3" colwidth="2*" />
-        <colspec colname="c4" colwidth="6*" />
-        <spanspec namest="c1" nameend="c2" spanname="id" />
-        <spanspec namest="c2" nameend="c4" spanname="descr" />
-        <thead>
-          <row>
-            <entry spanname="id" align="left">ID</entry>
-            <entry align="left">Type</entry>
-          </row><row rowsep="1"><entry spanname="descr" align="left">Description</entry>
-          </row>
-        </thead>
-        <tbody valign="top">
-          <row><entry></entry></row>
-
-	      <row><entry></entry></row>
-	      <row id="v4l2-vpx-num-partitions">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_VPX_NUM_PARTITIONS</constant></entry>
-		<entry>enum v4l2_vp8_num_partitions</entry>
-	      </row>
-	      <row><entry spanname="descr">The number of token partitions to use in VP8 encoder.
-Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_CID_MPEG_VIDEO_VPX_1_PARTITION</constant></entry>
-		      <entry>1 coefficient partition</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_CID_MPEG_VIDEO_VPX_2_PARTITIONS</constant></entry>
-		      <entry>2 coefficient partitions</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_CID_MPEG_VIDEO_VPX_4_PARTITIONS</constant></entry>
-		      <entry>4 coefficient partitions</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_CID_MPEG_VIDEO_VPX_8_PARTITIONS</constant></entry>
-		      <entry>8 coefficient partitions</entry>
-	            </row>
-                  </tbody>
-		</entrytbl>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_VPX_IMD_DISABLE_4X4</constant></entry>
-		<entry>boolean</entry>
-	      </row>
-	      <row><entry spanname="descr">Setting this prevents intra 4x4 mode in the intra mode decision.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row id="v4l2-vpx-num-ref-frames">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_VPX_NUM_REF_FRAMES</constant></entry>
-		<entry>enum v4l2_vp8_num_ref_frames</entry>
-	      </row>
-	      <row><entry spanname="descr">The number of reference pictures for encoding P frames.
-Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_CID_MPEG_VIDEO_VPX_1_REF_FRAME</constant></entry>
-		      <entry>Last encoded frame will be searched</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_CID_MPEG_VIDEO_VPX_2_REF_FRAME</constant></entry>
-		      <entry>Two frames will be searched among the last encoded frame, the golden frame
-and the alternate reference (altref) frame. The encoder implementation will decide which two are chosen.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_CID_MPEG_VIDEO_VPX_3_REF_FRAME</constant></entry>
-		      <entry>The last encoded frame, the golden frame and the altref frame will be searched.</entry>
-		    </row>
-                  </tbody>
-		</entrytbl>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_VPX_FILTER_LEVEL</constant></entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Indicates the loop filter level. The adjustment of the loop
-filter level is done via a delta value against a baseline loop filter value.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_VPX_FILTER_SHARPNESS</constant></entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">This parameter affects the loop filter. Anything above
-zero weakens the deblocking effect on the loop filter.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_REF_PERIOD</constant></entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Sets the refresh period for the golden frame. The period is defined
-in number of frames. For a value of 'n', every nth frame starting from the first key frame will be taken as a golden frame.
-For eg. for encoding sequence of 0, 1, 2, 3, 4, 5, 6, 7 where the golden frame refresh period is set as 4, the frames
-0, 4, 8 etc will be taken as the golden frames as frame 0 is always a key frame.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row id="v4l2-vpx-golden-frame-sel">
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_SEL</constant></entry>
-		<entry>enum v4l2_vp8_golden_frame_sel</entry>
-	      </row>
-	      <row><entry spanname="descr">Selects the golden frame for encoding.
-Possible values are:</entry>
-	      </row>
-	      <row>
-		<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_USE_PREV</constant></entry>
-		      <entry>Use the (n-2)th frame as a golden frame, current frame index being 'n'.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_USE_REF_PERIOD</constant></entry>
-		      <entry>Use the previous specific frame indicated by
-V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_REF_PERIOD as a golden frame.</entry>
-		    </row>
-                  </tbody>
-		</entrytbl>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_VPX_MIN_QP</constant></entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Minimum quantization parameter for VP8.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_VPX_MAX_QP</constant></entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Maximum quantization parameter for VP8.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_VPX_I_FRAME_QP</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Quantization parameter for an I frame for VP8.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_VPX_P_FRAME_QP</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Quantization parameter for a P frame for VP8.</entry>
-	      </row>
-
-	      <row><entry></entry></row>
-	      <row>
-		<entry spanname="id"><constant>V4L2_CID_MPEG_VIDEO_VPX_PROFILE</constant>&nbsp;</entry>
-		<entry>integer</entry>
-	      </row>
-	      <row><entry spanname="descr">Select the desired profile for VPx encoder.
-Acceptable values are 0, 1, 2 and 3 corresponding to encoder profiles 0, 1, 2 and 3.</entry>
-	      </row>
-
-          <row><entry></entry></row>
-        </tbody>
-      </tgroup>
-      </table>
-
-      </section>
-    </section>
-
-    <section id="camera-controls">
-      <title>Camera Control Reference</title>
-
-      <para>The Camera class includes controls for mechanical (or
-equivalent digital) features of a device such as controllable lenses
-or sensors.</para>
-
-    <table pgwide="1" frame="none" id="camera-control-id">
-      <title>Camera Control IDs</title>
-      <tgroup cols="4">
-	<colspec colname="c1" colwidth="1*" />
-	<colspec colname="c2" colwidth="6*" />
-	<colspec colname="c3" colwidth="2*" />
-	<colspec colname="c4" colwidth="6*" />
-	<spanspec namest="c1" nameend="c2" spanname="id" />
-	<spanspec namest="c2" nameend="c4" spanname="descr" />
-	<thead>
-	  <row>
-	    <entry spanname="id" align="left">ID</entry>
-	    <entry align="left">Type</entry>
-	  </row><row rowsep="1"><entry spanname="descr" align="left">Description</entry>
-	  </row>
-	</thead>
-	<tbody valign="top">
-	  <row><entry></entry></row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_CAMERA_CLASS</constant>&nbsp;</entry>
-	    <entry>class</entry>
-	  </row><row><entry spanname="descr">The Camera class
-descriptor. Calling &VIDIOC-QUERYCTRL; for this control will return a
-description of this control class.</entry>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row id="v4l2-exposure-auto-type">
-	    <entry spanname="id"><constant>V4L2_CID_EXPOSURE_AUTO</constant>&nbsp;</entry>
-	    <entry>enum&nbsp;v4l2_exposure_auto_type</entry>
-	  </row><row><entry spanname="descr">Enables automatic
-adjustments of the exposure time and/or iris aperture. The effect of
-manual changes of the exposure time or iris aperture while these
-features are enabled is undefined, drivers should ignore such
-requests. Possible values are:</entry>
-	  </row>
-	  <row>
-	    <entrytbl spanname="descr" cols="2">
-	      <tbody valign="top">
-		<row>
-		  <entry><constant>V4L2_EXPOSURE_AUTO</constant>&nbsp;</entry>
-		      <entry>Automatic exposure time, automatic iris
-aperture.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_EXPOSURE_MANUAL</constant>&nbsp;</entry>
-		  <entry>Manual exposure time, manual iris.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_EXPOSURE_SHUTTER_PRIORITY</constant>&nbsp;</entry>
-		  <entry>Manual exposure time, auto iris.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_EXPOSURE_APERTURE_PRIORITY</constant>&nbsp;</entry>
-		  <entry>Auto exposure time, manual iris.</entry>
-		</row>
-	      </tbody>
-	    </entrytbl>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_EXPOSURE_ABSOLUTE</constant>&nbsp;</entry>
-	    <entry>integer</entry>
-	  </row><row><entry spanname="descr">Determines the exposure
-time of the camera sensor. The exposure time is limited by the frame
-interval. Drivers should interpret the values as 100 &micro;s units,
-where the value 1 stands for 1/10000th of a second, 10000 for 1 second
-and 100000 for 10 seconds.</entry>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_EXPOSURE_AUTO_PRIORITY</constant>&nbsp;</entry>
-	    <entry>boolean</entry>
-	  </row><row><entry spanname="descr">When
-<constant>V4L2_CID_EXPOSURE_AUTO</constant> is set to
-<constant>AUTO</constant> or <constant>APERTURE_PRIORITY</constant>,
-this control determines if the device may dynamically vary the frame
-rate. By default this feature is disabled (0) and the frame rate must
-remain constant.</entry>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_EXPOSURE_BIAS</constant>&nbsp;</entry>
-	    <entry>integer menu</entry>
-	  </row><row><entry spanname="descr"> Determines the automatic
-exposure compensation, it is effective only when <constant>V4L2_CID_EXPOSURE_AUTO</constant>
-control is set to <constant>AUTO</constant>, <constant>SHUTTER_PRIORITY </constant>
-or <constant>APERTURE_PRIORITY</constant>.
-It is expressed in terms of EV, drivers should interpret the values as 0.001 EV
-units, where the value 1000 stands for +1 EV.
-<para>Increasing the exposure compensation value is equivalent to decreasing
-the exposure value (EV) and will increase the amount of light at the image
-sensor. The camera performs the exposure compensation by adjusting absolute
-exposure time and/or aperture.</para></entry>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row id="v4l2-exposure-metering">
-	    <entry spanname="id"><constant>V4L2_CID_EXPOSURE_METERING</constant>&nbsp;</entry>
-	    <entry>enum&nbsp;v4l2_exposure_metering</entry>
-	  </row><row><entry spanname="descr">Determines how the camera measures
-the amount of light available for the frame exposure. Possible values are:</entry>
-	  </row>
-	  <row>
-	    <entrytbl spanname="descr" cols="2">
-	      <tbody valign="top">
-		<row>
-		  <entry><constant>V4L2_EXPOSURE_METERING_AVERAGE</constant>&nbsp;</entry>
-		  <entry>Use the light information coming from the entire frame
-and average giving no weighting to any particular portion of the metered area.
-		  </entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_EXPOSURE_METERING_CENTER_WEIGHTED</constant>&nbsp;</entry>
-		  <entry>Average the light information coming from the entire frame
-giving priority to the center of the metered area.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_EXPOSURE_METERING_SPOT</constant>&nbsp;</entry>
-		  <entry>Measure only very small area at the center of the frame.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_EXPOSURE_METERING_MATRIX</constant>&nbsp;</entry>
-		  <entry>A multi-zone metering. The light intensity is measured
-in several points of the frame and the results are combined. The
-algorithm of the zones selection and their significance in calculating the
-final value is device dependent.</entry>
-		</row>
-	      </tbody>
-	    </entrytbl>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_PAN_RELATIVE</constant>&nbsp;</entry>
-	    <entry>integer</entry>
-	  </row><row><entry spanname="descr">This control turns the
-camera horizontally by the specified amount. The unit is undefined. A
-positive value moves the camera to the right (clockwise when viewed
-from above), a negative value to the left. A value of zero does not
-cause motion. This is a write-only control.</entry>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_TILT_RELATIVE</constant>&nbsp;</entry>
-	    <entry>integer</entry>
-	  </row><row><entry spanname="descr">This control turns the
-camera vertically by the specified amount. The unit is undefined. A
-positive value moves the camera up, a negative value down. A value of
-zero does not cause motion. This is a write-only control.</entry>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_PAN_RESET</constant>&nbsp;</entry>
-	    <entry>button</entry>
-	  </row><row><entry spanname="descr">When this control is set,
-the camera moves horizontally to the default position.</entry>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_TILT_RESET</constant>&nbsp;</entry>
-	    <entry>button</entry>
-	  </row><row><entry spanname="descr">When this control is set,
-the camera moves vertically to the default position.</entry>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_PAN_ABSOLUTE</constant>&nbsp;</entry>
-	    <entry>integer</entry>
-	  </row><row><entry spanname="descr">This control
-turns the camera horizontally to the specified position. Positive
-values move the camera to the right (clockwise when viewed from above),
-negative values to the left. Drivers should interpret the values as arc
-seconds, with valid values between -180 * 3600 and +180 * 3600
-inclusive.</entry>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_TILT_ABSOLUTE</constant>&nbsp;</entry>
-	    <entry>integer</entry>
-	  </row><row><entry spanname="descr">This control
-turns the camera vertically to the specified position. Positive values
-move the camera up, negative values down. Drivers should interpret the
-values as arc seconds, with valid values between -180 * 3600 and +180
-* 3600 inclusive.</entry>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_FOCUS_ABSOLUTE</constant>&nbsp;</entry>
-	    <entry>integer</entry>
-	  </row><row><entry spanname="descr">This control sets the
-focal point of the camera to the specified position. The unit is
-undefined. Positive values set the focus closer to the camera,
-negative values towards infinity.</entry>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_FOCUS_RELATIVE</constant>&nbsp;</entry>
-	    <entry>integer</entry>
-	  </row><row><entry spanname="descr">This control moves the
-focal point of the camera by the specified amount. The unit is
-undefined. Positive values move the focus closer to the camera,
-negative values towards infinity. This is a write-only control.</entry>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_FOCUS_AUTO</constant>&nbsp;</entry>
-	    <entry>boolean</entry>
-	  </row><row><entry spanname="descr">Enables continuous automatic
-focus adjustments. The effect of manual focus adjustments while this feature
-is enabled is undefined, drivers should ignore such requests.</entry>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_AUTO_FOCUS_START</constant>&nbsp;</entry>
-	    <entry>button</entry>
-	  </row><row><entry spanname="descr">Starts single auto focus process.
-The effect of setting this control when <constant>V4L2_CID_FOCUS_AUTO</constant>
-is set to <constant>TRUE</constant> (1) is undefined, drivers should ignore
-such requests.</entry>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_AUTO_FOCUS_STOP</constant>&nbsp;</entry>
-	    <entry>button</entry>
-	  </row><row><entry spanname="descr">Aborts automatic focusing
-started with <constant>V4L2_CID_AUTO_FOCUS_START</constant> control. It is
-effective only when the continuous autofocus is disabled, that is when
-<constant>V4L2_CID_FOCUS_AUTO</constant> control is set to <constant>FALSE
-</constant> (0).</entry>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row id="v4l2-auto-focus-status">
-	    <entry spanname="id">
-	      <constant>V4L2_CID_AUTO_FOCUS_STATUS</constant>&nbsp;</entry>
-	    <entry>bitmask</entry>
-	  </row>
-	  <row><entry spanname="descr">The automatic focus status. This is a read-only
-	  control.</entry>
-	  </row>
-	  <row>
-	    <entrytbl spanname="descr" cols="2">
-	      <tbody valign="top">
-		<row>
-		  <entry><constant>V4L2_AUTO_FOCUS_STATUS_IDLE</constant>&nbsp;</entry>
-		  <entry>Automatic focus is not active.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_AUTO_FOCUS_STATUS_BUSY</constant>&nbsp;</entry>
-		  <entry>Automatic focusing is in progress.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_AUTO_FOCUS_STATUS_REACHED</constant>&nbsp;</entry>
-		  <entry>Focus has been reached.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_AUTO_FOCUS_STATUS_FAILED</constant>&nbsp;</entry>
-		  <entry>Automatic focus has failed, the driver will not
-		  transition from this state until another action is
-		  performed by an application.</entry>
-		</row>
-	      </tbody>
-	    </entrytbl>
-	  </row>
-	  <row><entry spanname="descr">
-Setting <constant>V4L2_LOCK_FOCUS</constant> lock bit of the <constant>V4L2_CID_3A_LOCK
-</constant> control may stop updates of the <constant>V4L2_CID_AUTO_FOCUS_STATUS</constant>
-control value.</entry>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row id="v4l2-auto-focus-range">
-	    <entry spanname="id">
-	      <constant>V4L2_CID_AUTO_FOCUS_RANGE</constant>&nbsp;</entry>
-	    <entry>enum&nbsp;v4l2_auto_focus_range</entry>
-	  </row>
-	  <row><entry spanname="descr">Determines auto focus distance range
-for which lens may be adjusted. </entry>
-	  </row>
-	  <row>
-	    <entrytbl spanname="descr" cols="2">
-	      <tbody valign="top">
-		<row>
-		  <entry><constant>V4L2_AUTO_FOCUS_RANGE_AUTO</constant>&nbsp;</entry>
-		  <entry>The camera automatically selects the focus range.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_AUTO_FOCUS_RANGE_NORMAL</constant>&nbsp;</entry>
-		  <entry>Normal distance range, limited for best automatic focus
-performance.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_AUTO_FOCUS_RANGE_MACRO</constant>&nbsp;</entry>
-		  <entry>Macro (close-up) auto focus. The camera will
-use its minimum possible distance for auto focus.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_AUTO_FOCUS_RANGE_INFINITY</constant>&nbsp;</entry>
-		  <entry>The lens is set to focus on an object at infinite distance.</entry>
-		</row>
-	      </tbody>
-	    </entrytbl>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_ZOOM_ABSOLUTE</constant>&nbsp;</entry>
-	    <entry>integer</entry>
-	  </row><row><entry spanname="descr">Specify the objective lens
-focal length as an absolute value. The zoom unit is driver-specific and its
-value should be a positive integer.</entry>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_ZOOM_RELATIVE</constant>&nbsp;</entry>
-	    <entry>integer</entry>
-	  </row><row><entry spanname="descr">Specify the objective lens
-focal length relatively to the current value. Positive values move the zoom
-lens group towards the telephoto direction, negative values towards the
-wide-angle direction. The zoom unit is driver-specific. This is a write-only control.</entry>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_ZOOM_CONTINUOUS</constant>&nbsp;</entry>
-	    <entry>integer</entry>
-	  </row><row><entry spanname="descr">Move the objective lens group
-at the specified speed until it reaches physical device limits or until an
-explicit request to stop the movement. A positive value moves the zoom lens
-group towards the telephoto direction. A value of zero stops the zoom lens
-group movement. A negative value moves the zoom lens group towards the
-wide-angle direction. The zoom speed unit is driver-specific.</entry>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_IRIS_ABSOLUTE</constant>&nbsp;</entry>
-	    <entry>integer</entry>
-	  </row><row><entry spanname="descr">This control sets the
-camera's aperture to the specified value. The unit is undefined.
-Larger values open the iris wider, smaller values close it.</entry>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_IRIS_RELATIVE</constant>&nbsp;</entry>
-	    <entry>integer</entry>
-	  </row><row><entry spanname="descr">This control modifies the
-camera's aperture by the specified amount. The unit is undefined.
-Positive values open the iris one step further, negative values close
-it one step further. This is a write-only control.</entry>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_PRIVACY</constant>&nbsp;</entry>
-	    <entry>boolean</entry>
-	  </row><row><entry spanname="descr">Prevent video from being acquired
-by the camera. When this control is set to <constant>TRUE</constant> (1), no
-image can be captured by the camera. Common means to enforce privacy are
-mechanical obturation of the sensor and firmware image processing, but the
-device is not restricted to these methods. Devices that implement the privacy
-control must support read access and may support write access.</entry>
-	  </row>
-
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_BAND_STOP_FILTER</constant>&nbsp;</entry>
-	    <entry>integer</entry>
-	  </row><row><entry spanname="descr">Switch the band-stop filter of a
-camera sensor on or off, or specify its strength. Such band-stop filters can
-be used, for example, to filter out the fluorescent light component.</entry>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row id="v4l2-auto-n-preset-white-balance">
-	    <entry spanname="id"><constant>V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE</constant>&nbsp;</entry>
-	    <entry>enum&nbsp;v4l2_auto_n_preset_white_balance</entry>
-	  </row><row><entry spanname="descr">Sets white balance to automatic,
-manual or a preset. The presets determine color temperature of the light as
-a hint to the camera for white balance adjustments resulting in most accurate
-color representation. The following white balance presets are listed in order
-of increasing color temperature.</entry>
-	  </row>
-	  <row>
-	    <entrytbl spanname="descr" cols="2">
-	      <tbody valign="top">
-		<row>
-		  <entry><constant>V4L2_WHITE_BALANCE_MANUAL</constant>&nbsp;</entry>
-		  <entry>Manual white balance.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_WHITE_BALANCE_AUTO</constant>&nbsp;</entry>
-		  <entry>Automatic white balance adjustments.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_WHITE_BALANCE_INCANDESCENT</constant>&nbsp;</entry>
-		  <entry>White balance setting for incandescent (tungsten) lighting.
-It generally cools down the colors and corresponds approximately to 2500...3500 K
-color temperature range.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_WHITE_BALANCE_FLUORESCENT</constant>&nbsp;</entry>
-		  <entry>White balance preset for fluorescent lighting.
-It corresponds approximately to 4000...5000 K color temperature.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_WHITE_BALANCE_FLUORESCENT_H</constant>&nbsp;</entry>
-		  <entry>With this setting the camera will compensate for
-fluorescent H lighting.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_WHITE_BALANCE_HORIZON</constant>&nbsp;</entry>
-		  <entry>White balance setting for horizon daylight.
-It corresponds approximately to 5000 K color temperature.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_WHITE_BALANCE_DAYLIGHT</constant>&nbsp;</entry>
-		  <entry>White balance preset for daylight (with clear sky).
-It corresponds approximately to 5000...6500 K color temperature.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_WHITE_BALANCE_FLASH</constant>&nbsp;</entry>
-		  <entry>With this setting the camera will compensate for the flash
-light. It slightly warms up the colors and corresponds roughly to 5000...5500 K
-color temperature.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_WHITE_BALANCE_CLOUDY</constant>&nbsp;</entry>
-		  <entry>White balance preset for moderately overcast sky.
-This option corresponds approximately to 6500...8000 K color temperature
-range.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_WHITE_BALANCE_SHADE</constant>&nbsp;</entry>
-		  <entry>White balance preset for shade or heavily overcast
-sky. It corresponds approximately to 9000...10000 K color temperature.
-</entry>
-		</row>
-	      </tbody>
-	    </entrytbl>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row id="v4l2-wide-dynamic-range">
-	    <entry spanname="id"><constant>V4L2_CID_WIDE_DYNAMIC_RANGE</constant></entry>
-	    <entry>boolean</entry>
-	  </row>
-	  <row>
-	    <entry spanname="descr">Enables or disables the camera's wide dynamic
-range feature. This feature allows to obtain clear images in situations where
-intensity of the illumination varies significantly throughout the scene, i.e.
-there are simultaneously very dark and very bright areas. It is most commonly
-realized in cameras by combining two subsequent frames with different exposure
-times. <footnote id="ctypeconv"><para> This control may be changed to a menu
-control in the future, if more options are required.</para></footnote></entry>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row id="v4l2-image-stabilization">
-	    <entry spanname="id"><constant>V4L2_CID_IMAGE_STABILIZATION</constant></entry>
-	    <entry>boolean</entry>
-	  </row>
-	  <row>
-	    <entry spanname="descr">Enables or disables image stabilization.
-	      <footnoteref linkend="ctypeconv"/></entry>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_ISO_SENSITIVITY</constant>&nbsp;</entry>
-	    <entry>integer menu</entry>
-	  </row><row><entry spanname="descr">Determines ISO equivalent of an
-image sensor indicating the sensor's sensitivity to light. The numbers are
-expressed in arithmetic scale, as per <xref linkend="iso12232" /> standard,
-where doubling the sensor sensitivity is represented by doubling the numerical
-ISO value. Applications should interpret the values as standard ISO values
-multiplied by 1000, e.g. control value 800 stands for ISO 0.8. Drivers will
-usually support only a subset of standard ISO values. The effect of setting
-this control while the <constant>V4L2_CID_ISO_SENSITIVITY_AUTO</constant>
-control is set to a value other than <constant>V4L2_CID_ISO_SENSITIVITY_MANUAL
-</constant> is undefined, drivers should ignore such requests.</entry>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row id="v4l2-iso-sensitivity-auto-type">
-	    <entry spanname="id"><constant>V4L2_CID_ISO_SENSITIVITY_AUTO</constant>&nbsp;</entry>
-	    <entry>enum&nbsp;v4l2_iso_sensitivity_type</entry>
-	  </row><row><entry spanname="descr">Enables or disables automatic ISO
-sensitivity adjustments.</entry>
-	  </row>
-	  <row>
-	    <entrytbl spanname="descr" cols="2">
-	      <tbody valign="top">
-		<row>
-		  <entry><constant>V4L2_CID_ISO_SENSITIVITY_MANUAL</constant>&nbsp;</entry>
-		  <entry>Manual ISO sensitivity.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_CID_ISO_SENSITIVITY_AUTO</constant>&nbsp;</entry>
-		  <entry>Automatic ISO sensitivity adjustments.</entry>
-		</row>
-	      </tbody>
-	    </entrytbl>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row id="v4l2-scene-mode">
-	    <entry spanname="id"><constant>V4L2_CID_SCENE_MODE</constant>&nbsp;</entry>
-	    <entry>enum&nbsp;v4l2_scene_mode</entry>
-	  </row><row><entry spanname="descr">This control allows to select
-scene programs as the camera automatic modes optimized for common shooting
-scenes. Within these modes the camera determines best exposure, aperture,
-focusing, light metering, white balance and equivalent sensitivity. The
-controls of those parameters are influenced by the scene mode control.
-An exact behavior in each mode is subject to the camera specification.
-
-<para>When the scene mode feature is not used, this control should be set to
-<constant>V4L2_SCENE_MODE_NONE</constant> to make sure the other possibly
-related controls are accessible. The following scene programs are defined:
-</para>
-</entry>
-	  </row>
-	  <row>
-	    <entrytbl spanname="descr" cols="2">
-	      <tbody valign="top">
-		<row>
-		  <entry><constant>V4L2_SCENE_MODE_NONE</constant>&nbsp;</entry>
-		  <entry>The scene mode feature is disabled.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_SCENE_MODE_BACKLIGHT</constant>&nbsp;</entry>
-		  <entry>Backlight. Compensates for dark shadows when light is
-		  coming from behind a subject, also by automatically turning
-		  on the flash.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_SCENE_MODE_BEACH_SNOW</constant>&nbsp;</entry>
-		  <entry>Beach and snow. This mode compensates for all-white or
-bright scenes, which tend to look gray and low contrast, when camera's automatic
-exposure is based on an average scene brightness. To compensate, this mode
-automatically slightly overexposes the frames. The white balance may also be
-adjusted to compensate for the fact that reflected snow looks bluish rather
-than white.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_SCENE_MODE_CANDLELIGHT</constant>&nbsp;</entry>
-		  <entry>Candle light. The camera generally raises the ISO
-sensitivity and lowers the shutter speed. This mode compensates for relatively
-close subject in the scene. The flash is disabled in order to preserve the
-ambiance of the light.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_SCENE_MODE_DAWN_DUSK</constant>&nbsp;</entry>
-		  <entry>Dawn and dusk. Preserves the colors seen in low
-natural light before dusk and after down. The camera may turn off the flash,
-and automatically focus at infinity. It will usually boost saturation and
-lower the shutter speed.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_SCENE_MODE_FALL_COLORS</constant>&nbsp;</entry>
-		  <entry>Fall colors. Increases saturation and adjusts white
-balance for color enhancement. Pictures of autumn leaves get saturated reds
-and yellows.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_SCENE_MODE_FIREWORKS</constant>&nbsp;</entry>
-		  <entry>Fireworks. Long exposure times are used to capture
-the expanding burst of light from a firework. The camera may invoke image
-stabilization.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_SCENE_MODE_LANDSCAPE</constant>&nbsp;</entry>
-		  <entry>Landscape. The camera may choose a small aperture to
-provide deep depth of field and long exposure duration to help capture detail
-in dim light conditions. The focus is fixed at infinity. Suitable for distant
-and wide scenery.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_SCENE_MODE_NIGHT</constant>&nbsp;</entry>
-		  <entry>Night, also known as Night Landscape. Designed for low
-light conditions, it preserves detail in the dark areas without blowing out bright
-objects. The camera generally sets itself to a medium-to-high ISO sensitivity,
-with a relatively long exposure time, and turns flash off. As such, there will be
-increased image noise and the possibility of blurred image.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_SCENE_MODE_PARTY_INDOOR</constant>&nbsp;</entry>
-		  <entry>Party and indoor. Designed to capture indoor scenes
-that are lit by indoor background lighting as well as the flash. The camera
-usually increases ISO sensitivity, and adjusts exposure for the low light
-conditions.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_SCENE_MODE_PORTRAIT</constant>&nbsp;</entry>
-		  <entry>Portrait. The camera adjusts the aperture so that the
-depth of field is reduced, which helps to isolate the subject against a smooth
-background. Most cameras recognize the presence of faces in the scene and focus
-on them. The color hue is adjusted to enhance skin tones. The intensity of the
-flash is often reduced.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_SCENE_MODE_SPORTS</constant>&nbsp;</entry>
-		  <entry>Sports. Significantly increases ISO and uses a fast
-shutter speed to freeze motion of rapidly-moving subjects. Increased image
-noise may be seen in this mode.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_SCENE_MODE_SUNSET</constant>&nbsp;</entry>
-		  <entry>Sunset. Preserves deep hues seen in sunsets and
-sunrises. It bumps up the saturation.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_SCENE_MODE_TEXT</constant>&nbsp;</entry>
-		  <entry>Text. It applies extra contrast and sharpness, it is
-typically a black-and-white mode optimized for readability. Automatic focus
-may be switched to close-up mode and this setting may also involve some
-lens-distortion correction.</entry>
-		</row>
-	      </tbody>
-	    </entrytbl>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_3A_LOCK</constant></entry>
-	    <entry>bitmask</entry>
-	  </row>
-	  <row>
-	    <entry spanname="descr">This control locks or unlocks the automatic
-focus, exposure and white balance. The automatic adjustments can be paused
-independently by setting the corresponding lock bit to 1. The camera then retains
-the settings until the lock bit is cleared. The following lock bits are defined:
-</entry>
-	  </row>
-	  <row>
-	    <entrytbl spanname="descr" cols="2">
-	      <tbody valign="top">
-		<row>
-		  <entry><constant>V4L2_LOCK_EXPOSURE</constant></entry>
-		  <entry>Automatic exposure adjustments lock.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_LOCK_WHITE_BALANCE</constant></entry>
-		  <entry>Automatic white balance adjustments lock.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_LOCK_FOCUS</constant></entry>
-		  <entry>Automatic focus lock.</entry>
-		</row>
-	      </tbody>
-	    </entrytbl>
-	  </row>
-	  <row><entry spanname="descr">
-When a given algorithm is not enabled, drivers should ignore requests
-to lock it and should return no error. An example might be an application
-setting bit <constant>V4L2_LOCK_WHITE_BALANCE</constant> when the
-<constant>V4L2_CID_AUTO_WHITE_BALANCE</constant> control is set to
-<constant>FALSE</constant>. The value of this control may be changed
-by exposure, white balance or focus controls.</entry>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_PAN_SPEED</constant>&nbsp;</entry>
-	    <entry>integer</entry>
-	  </row><row><entry spanname="descr">This control turns the
-camera horizontally at the specific speed. The unit is undefined. A
-positive value moves the camera to the right (clockwise when viewed
-from above), a negative value to the left. A value of zero stops the motion
-if one is in progress and has no effect otherwise.</entry>
-	  </row>
-	  <row><entry></entry></row>
-
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_TILT_SPEED</constant>&nbsp;</entry>
-	    <entry>integer</entry>
-	  </row><row><entry spanname="descr">This control turns the
-camera vertically at the specified speed. The unit is undefined. A
-positive value moves the camera up, a negative value down. A value of zero
-stops the motion if one is in progress and has no effect otherwise.</entry>
-	  </row>
-	  <row><entry></entry></row>
-
-	</tbody>
-      </tgroup>
-    </table>
-  </section>
-
-    <section id="fm-tx-controls">
-      <title>FM Transmitter Control Reference</title>
-
-      <para>The FM Transmitter (FM_TX) class includes controls for common features of
-FM transmissions capable devices. Currently this class includes parameters for audio
-compression, pilot tone generation, audio deviation limiter, RDS transmission and
-tuning power features.</para>
-
-      <table pgwide="1" frame="none" id="fm-tx-control-id">
-      <title>FM_TX Control IDs</title>
-
-      <tgroup cols="4">
-	<colspec colname="c1" colwidth="1*" />
-	<colspec colname="c2" colwidth="6*" />
-	<colspec colname="c3" colwidth="2*" />
-	<colspec colname="c4" colwidth="6*" />
-	<spanspec namest="c1" nameend="c2" spanname="id" />
-	<spanspec namest="c2" nameend="c4" spanname="descr" />
-	<thead>
-	  <row>
-	    <entry spanname="id" align="left">ID</entry>
-	    <entry align="left">Type</entry>
-	  </row><row rowsep="1"><entry spanname="descr" align="left">Description</entry>
-	  </row>
-	</thead>
-	<tbody valign="top">
-	  <row><entry></entry></row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_FM_TX_CLASS</constant>&nbsp;</entry>
-	    <entry>class</entry>
-	  </row><row><entry spanname="descr">The FM_TX class
-descriptor. Calling &VIDIOC-QUERYCTRL; for this control will return a
-description of this control class.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_RDS_TX_DEVIATION</constant>&nbsp;</entry>
-	    <entry>integer</entry>
-	  </row>
-	  <row><entry spanname="descr">Configures RDS signal frequency deviation level in Hz.
-The range and step are driver-specific.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_RDS_TX_PI</constant>&nbsp;</entry>
-	    <entry>integer</entry>
-	  </row>
-	  <row><entry spanname="descr">Sets the RDS Programme Identification field
-for transmission.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_RDS_TX_PTY</constant>&nbsp;</entry>
-	    <entry>integer</entry>
-	  </row>
-	  <row><entry spanname="descr">Sets the RDS Programme Type field for transmission.
-This encodes up to 31 pre-defined programme types.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_RDS_TX_PS_NAME</constant>&nbsp;</entry>
-	    <entry>string</entry>
-	  </row>
-	  <row><entry spanname="descr">Sets the Programme Service name (PS_NAME) for transmission.
-It is intended for static display on a receiver. It is the primary aid to listeners in programme service
-identification and selection.  In Annex E of <xref linkend="iec62106" />, the RDS specification,
-there is a full description of the correct character encoding for Programme Service name strings.
-Also from RDS specification, PS is usually a single eight character text. However, it is also possible
-to find receivers which can scroll strings sized as 8 x N characters. So, this control must be configured
-with steps of 8 characters. The result is it must always contain a string with size multiple of 8.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_RDS_TX_RADIO_TEXT</constant>&nbsp;</entry>
-	    <entry>string</entry>
-	  </row>
-	  <row><entry spanname="descr">Sets the Radio Text info for transmission. It is a textual description of
-what is being broadcasted. RDS Radio Text can be applied when broadcaster wishes to transmit longer PS names,
-programme-related information or any other text. In these cases, RadioText should be used in addition to
-<constant>V4L2_CID_RDS_TX_PS_NAME</constant>. The encoding for Radio Text strings is also fully described
-in Annex E of <xref linkend="iec62106" />. The length of Radio Text strings depends on which RDS Block is being
-used to transmit it, either 32 (2A block) or 64 (2B block).  However, it is also possible
-to find receivers which can scroll strings sized as 32 x N or 64 x N characters. So, this control must be configured
-with steps of 32 or 64 characters. The result is it must always contain a string with size multiple of 32 or 64. </entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_RDS_TX_MONO_STEREO</constant>&nbsp;</entry>
-	    <entry>boolean</entry>
-	  </row>
-	  <row><entry spanname="descr">Sets the Mono/Stereo bit of the Decoder Identification code. If set,
-then the audio was recorded as stereo.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_RDS_TX_ARTIFICIAL_HEAD</constant>&nbsp;</entry>
-	    <entry>boolean</entry>
-	  </row>
-	  <row><entry spanname="descr">Sets the
-<ulink url="http://en.wikipedia.org/wiki/Artificial_head">Artificial Head</ulink> bit of the Decoder
-Identification code. If set, then the audio was recorded using an artificial head.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_RDS_TX_COMPRESSED</constant>&nbsp;</entry>
-	    <entry>boolean</entry>
-	  </row>
-	  <row><entry spanname="descr">Sets the Compressed bit of the Decoder Identification code. If set,
-then the audio is compressed.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_RDS_TX_DYNAMIC_PTY</constant>&nbsp;</entry>
-	    <entry>boolean</entry>
-	  </row>
-	  <row><entry spanname="descr">Sets the Dynamic PTY bit of the Decoder Identification code. If set,
-then the PTY code is dynamically switched.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_RDS_TX_TRAFFIC_ANNOUNCEMENT</constant>&nbsp;</entry>
-	    <entry>boolean</entry>
-	  </row>
-	  <row><entry spanname="descr">If set, then a traffic announcement is in progress.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_RDS_TX_TRAFFIC_PROGRAM</constant>&nbsp;</entry>
-	    <entry>boolean</entry>
-	  </row>
-	  <row><entry spanname="descr">If set, then the tuned programme carries traffic announcements.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_RDS_TX_MUSIC_SPEECH</constant>&nbsp;</entry>
-	    <entry>boolean</entry>
-	  </row>
-	  <row><entry spanname="descr">If set, then this channel broadcasts music. If cleared, then it
-broadcasts speech. If the transmitter doesn't make this distinction, then it should be set.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_RDS_TX_ALT_FREQS_ENABLE</constant>&nbsp;</entry>
-	    <entry>boolean</entry>
-	  </row>
-	  <row><entry spanname="descr">If set, then transmit alternate frequencies.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_RDS_TX_ALT_FREQS</constant>&nbsp;</entry>
-	    <entry>__u32 array</entry>
-	  </row>
-	  <row><entry spanname="descr">The alternate frequencies in kHz units. The RDS standard allows
-for up to 25 frequencies to be defined. Drivers may support fewer frequencies so check
-the array size.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_AUDIO_LIMITER_ENABLED</constant>&nbsp;</entry>
-	    <entry>boolean</entry>
-	  </row>
-	  <row><entry spanname="descr">Enables or disables the audio deviation limiter feature.
-The limiter is useful when trying to maximize the audio volume, minimize receiver-generated
-distortion and prevent overmodulation.
-</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_AUDIO_LIMITER_RELEASE_TIME</constant>&nbsp;</entry>
-	    <entry>integer</entry>
-	  </row>
-	  <row><entry spanname="descr">Sets the audio deviation limiter feature release time.
-Unit is in useconds. Step and range are driver-specific.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_AUDIO_LIMITER_DEVIATION</constant>&nbsp;</entry>
-	    <entry>integer</entry>
-	  </row>
-	  <row><entry spanname="descr">Configures audio frequency deviation level in Hz.
-The range and step are driver-specific.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_AUDIO_COMPRESSION_ENABLED</constant>&nbsp;</entry>
-	    <entry>boolean</entry>
-	  </row>
-	  <row><entry spanname="descr">Enables or disables the audio compression feature.
-This feature amplifies signals below the threshold by a fixed gain and compresses audio
-signals above the threshold by the ratio of Threshold/(Gain + Threshold).</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_AUDIO_COMPRESSION_GAIN</constant>&nbsp;</entry>
-	    <entry>integer</entry>
-	  </row>
-	  <row><entry spanname="descr">Sets the gain for audio compression feature. It is
-a dB value. The range and step are driver-specific.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_AUDIO_COMPRESSION_THRESHOLD</constant>&nbsp;</entry>
-	    <entry>integer</entry>
-	  </row>
-	  <row><entry spanname="descr">Sets the threshold level for audio compression freature.
-It is a dB value. The range and step are driver-specific.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_AUDIO_COMPRESSION_ATTACK_TIME</constant>&nbsp;</entry>
-	    <entry>integer</entry>
-	  </row>
-	  <row><entry spanname="descr">Sets the attack time for audio compression feature.
-It is a useconds value. The range and step are driver-specific.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_AUDIO_COMPRESSION_RELEASE_TIME</constant>&nbsp;</entry>
-	    <entry>integer</entry>
-	  </row>
-	  <row><entry spanname="descr">Sets the release time for audio compression feature.
-It is a useconds value. The range and step are driver-specific.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_PILOT_TONE_ENABLED</constant>&nbsp;</entry>
-	    <entry>boolean</entry>
-	  </row>
-	  <row><entry spanname="descr">Enables or disables the pilot tone generation feature.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_PILOT_TONE_DEVIATION</constant>&nbsp;</entry>
-	    <entry>integer</entry>
-	  </row>
-	  <row><entry spanname="descr">Configures pilot tone frequency deviation level. Unit is
-in Hz. The range and step are driver-specific.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_PILOT_TONE_FREQUENCY</constant>&nbsp;</entry>
-	    <entry>integer</entry>
-	  </row>
-	  <row><entry spanname="descr">Configures pilot tone frequency value. Unit is
-in Hz. The range and step are driver-specific.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_TUNE_PREEMPHASIS</constant>&nbsp;</entry>
-	    <entry>enum v4l2_preemphasis</entry>
-	  </row>
-	  <row id="v4l2-preemphasis"><entry spanname="descr">Configures the pre-emphasis value for broadcasting.
-A pre-emphasis filter is applied to the broadcast to accentuate the high audio frequencies.
-Depending on the region, a time constant of either 50 or 75 useconds is used. The enum&nbsp;v4l2_preemphasis
-defines possible values for pre-emphasis. Here they are:</entry>
-	</row><row>
-	<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_PREEMPHASIS_DISABLED</constant>&nbsp;</entry>
-		      <entry>No pre-emphasis is applied.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_PREEMPHASIS_50_uS</constant>&nbsp;</entry>
-		      <entry>A pre-emphasis of 50 uS is used.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_PREEMPHASIS_75_uS</constant>&nbsp;</entry>
-		      <entry>A pre-emphasis of 75 uS is used.</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_TUNE_POWER_LEVEL</constant>&nbsp;</entry>
-	    <entry>integer</entry>
-	  </row>
-	  <row><entry spanname="descr">Sets the output power level for signal transmission.
-Unit is in dBuV. Range and step are driver-specific.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_TUNE_ANTENNA_CAPACITOR</constant>&nbsp;</entry>
-	    <entry>integer</entry>
-	  </row>
-	  <row><entry spanname="descr">This selects the value of antenna tuning capacitor
-manually or automatically if set to zero. Unit, range and step are driver-specific.</entry>
-	  </row>
-	  <row><entry></entry></row>
-	</tbody>
-      </tgroup>
-      </table>
-
-<para>For more details about RDS specification, refer to
-<xref linkend="iec62106" /> document, from CENELEC.</para>
-    </section>
-
-    <section id="flash-controls">
-      <title>Flash Control Reference</title>
-
-      <para>
-	The V4L2 flash controls are intended to provide generic access
-	to flash controller devices. Flash controller devices are
-	typically used in digital cameras.
-      </para>
-
-      <para>
-	The interface can support both LED and xenon flash devices. As
-	of writing this, there is no xenon flash driver using this
-	interface.
-      </para>
-
-      <section id="flash-controls-use-cases">
-	<title>Supported use cases</title>
-
-	<section>
-	  <title>Unsynchronised LED flash (software strobe)</title>
-
-	  <para>
-	    Unsynchronised LED flash is controlled directly by the
-	    host as the sensor. The flash must be enabled by the host
-	    before the exposure of the image starts and disabled once
-	    it ends. The host is fully responsible for the timing of
-	    the flash.
-	  </para>
-
-	  <para>Example of such device: Nokia N900.</para>
-	</section>
-
-	<section>
-	  <title>Synchronised LED flash (hardware strobe)</title>
-
-	  <para>
-	    The synchronised LED flash is pre-programmed by the host
-	    (power and timeout) but controlled by the sensor through a
-	    strobe signal from the sensor to the flash.
-	  </para>
-
-	  <para>
-	    The sensor controls the flash duration and timing. This
-	    information typically must be made available to the
-	    sensor.
-	  </para>
-
-	</section>
-
-	<section>
-	  <title>LED flash as torch</title>
-
-	  <para>
-	    LED flash may be used as torch in conjunction with another
-	    use case involving camera or individually.
-	  </para>
-
-
-          <table pgwide="1" frame="none" id="flash-control-id">
-          <title>Flash Control IDs</title>
-    
-          <tgroup cols="4">
-    	<colspec colname="c1" colwidth="1*" />
-    	<colspec colname="c2" colwidth="6*" />
-    	<colspec colname="c3" colwidth="2*" />
-    	<colspec colname="c4" colwidth="6*" />
-    	<spanspec namest="c1" nameend="c2" spanname="id" />
-    	<spanspec namest="c2" nameend="c4" spanname="descr" />
-    	<thead>
-    	  <row>
-    	    <entry spanname="id" align="left">ID</entry>
-    	    <entry align="left">Type</entry>
-    	  </row><row rowsep="1"><entry spanname="descr" align="left">Description</entry>
-    	  </row>
-    	</thead>
-    	<tbody valign="top">
-    	  <row><entry></entry></row>
-    	  <row>
-    	    <entry spanname="id"><constant>V4L2_CID_FLASH_CLASS</constant></entry>
-    	    <entry>class</entry>
-    	  </row>
-    	  <row>
-    	    <entry spanname="descr">The FLASH class descriptor.</entry>
-    	  </row>
-    	  <row>
-    	    <entry spanname="id"><constant>V4L2_CID_FLASH_LED_MODE</constant></entry>
-    	    <entry>menu</entry>
-    	  </row>
-    	  <row id="v4l2-flash-led-mode">
-    	    <entry spanname="descr">Defines the mode of the flash LED,
-    	    the high-power white LED attached to the flash controller.
-    	    Setting this control may not be possible in presence of
-    	    some faults. See V4L2_CID_FLASH_FAULT.</entry>
-    	  </row>
-    	  <row>
-    	    <entrytbl spanname="descr" cols="2">
-    	      <tbody valign="top">
-    		<row>
-    		  <entry><constant>V4L2_FLASH_LED_MODE_NONE</constant></entry>
-    		  <entry>Off.</entry>
-    		</row>
-    		<row>
-    		  <entry><constant>V4L2_FLASH_LED_MODE_FLASH</constant></entry>
-    		  <entry>Flash mode.</entry>
-    		</row>
-    		<row>
-    		  <entry><constant>V4L2_FLASH_LED_MODE_TORCH</constant></entry>
-    		  <entry>Torch mode. See V4L2_CID_FLASH_TORCH_INTENSITY.</entry>
-    		</row>
-    	      </tbody>
-    	    </entrytbl>
-    	  </row>
-    	  <row>
-    	    <entry spanname="id"><constant>V4L2_CID_FLASH_STROBE_SOURCE</constant></entry>
-    	    <entry>menu</entry>
-    	  </row>
-    	  <row id="v4l2-flash-strobe-source"><entry
-    	  spanname="descr">Defines the source of the flash LED
-    	  strobe.</entry>
-    	  </row>
-    	  <row>
-    	    <entrytbl spanname="descr" cols="2">
-    	      <tbody valign="top">
-    		<row>
-    		  <entry><constant>V4L2_FLASH_STROBE_SOURCE_SOFTWARE</constant></entry>
-    		  <entry>The flash strobe is triggered by using
-    		  the V4L2_CID_FLASH_STROBE control.</entry>
-    		</row>
-    		<row>
-    		  <entry><constant>V4L2_FLASH_STROBE_SOURCE_EXTERNAL</constant></entry>
-    		  <entry>The flash strobe is triggered by an
-    		  external source. Typically this is a sensor,
-    		  which makes it possible to synchronises the
-    		  flash strobe start to exposure start.</entry>
-    		</row>
-    	      </tbody>
-    	    </entrytbl>
-    	  </row>
-    	  <row>
-    	    <entry spanname="id"><constant>V4L2_CID_FLASH_STROBE</constant></entry>
-    	    <entry>button</entry>
-    	  </row>
-    	  <row>
-    	    <entry spanname="descr">Strobe flash. Valid when
-    	    V4L2_CID_FLASH_LED_MODE is set to
-    	    V4L2_FLASH_LED_MODE_FLASH and V4L2_CID_FLASH_STROBE_SOURCE
-    	    is set to V4L2_FLASH_STROBE_SOURCE_SOFTWARE. Setting this
-    	    control may not be possible in presence of some faults.
-    	    See V4L2_CID_FLASH_FAULT.</entry>
-    	  </row>
-    	  <row>
-    	    <entry spanname="id"><constant>V4L2_CID_FLASH_STROBE_STOP</constant></entry>
-    	    <entry>button</entry>
-    	  </row>
-    	  <row><entry spanname="descr">Stop flash strobe immediately.</entry>
-    	  </row>
-    	  <row>
-    	    <entry spanname="id"><constant>V4L2_CID_FLASH_STROBE_STATUS</constant></entry>
-    	    <entry>boolean</entry>
-    	  </row>
-    	  <row>
-    	    <entry spanname="descr">Strobe status: whether the flash
-    	    is strobing at the moment or not. This is a read-only
-    	    control.</entry>
-    	  </row>
-    	  <row>
-    	    <entry spanname="id"><constant>V4L2_CID_FLASH_TIMEOUT</constant></entry>
-    	    <entry>integer</entry>
-    	  </row>
-    	  <row>
-    	    <entry spanname="descr">Hardware timeout for flash. The
-    	    flash strobe is stopped after this period of time has
-    	    passed from the start of the strobe.</entry>
-    	  </row>
-    	  <row>
-    	    <entry spanname="id"><constant>V4L2_CID_FLASH_INTENSITY</constant></entry>
-    	    <entry>integer</entry>
-    	  </row>
-    	  <row>
-    	    <entry spanname="descr">Intensity of the flash strobe when
-    	    the flash LED is in flash mode
-    	    (V4L2_FLASH_LED_MODE_FLASH). The unit should be milliamps
-    	    (mA) if possible.</entry>
-    	  </row>
-    	  <row>
-    	    <entry spanname="id"><constant>V4L2_CID_FLASH_TORCH_INTENSITY</constant></entry>
-    	    <entry>integer</entry>
-    	  </row>
-    	  <row>
-    	    <entry spanname="descr">Intensity of the flash LED in
-    	    torch mode (V4L2_FLASH_LED_MODE_TORCH). The unit should be
-    	    milliamps (mA) if possible. Setting this control may not
-    	    be possible in presence of some faults. See
-    	    V4L2_CID_FLASH_FAULT.</entry>
-    	  </row>
-    	  <row>
-    	    <entry spanname="id"><constant>V4L2_CID_FLASH_INDICATOR_INTENSITY</constant></entry>
-    	    <entry>integer</entry>
-    	  </row>
-    	  <row>
-    	    <entry spanname="descr">Intensity of the indicator LED.
-    	    The indicator LED may be fully independent of the flash
-    	    LED. The unit should be microamps (uA) if possible.</entry>
-    	  </row>
-    	  <row>
-    	    <entry spanname="id"><constant>V4L2_CID_FLASH_FAULT</constant></entry>
-    	    <entry>bitmask</entry>
-    	  </row>
-    	  <row>
-    	    <entry spanname="descr">Faults related to the flash. The
-    	    faults tell about specific problems in the flash chip
-    	    itself or the LEDs attached to it. Faults may prevent
-    	    further use of some of the flash controls. In particular,
-    	    V4L2_CID_FLASH_LED_MODE is set to V4L2_FLASH_LED_MODE_NONE
-    	    if the fault affects the flash LED. Exactly which faults
-    	    have such an effect is chip dependent. Reading the faults
-    	    resets the control and returns the chip to a usable state
-    	    if possible.</entry>
-    	  </row>
-    	  <row>
-    	    <entrytbl spanname="descr" cols="2">
-    	      <tbody valign="top">
-    		<row>
-    		  <entry><constant>V4L2_FLASH_FAULT_OVER_VOLTAGE</constant></entry>
-    		  <entry>Flash controller voltage to the flash LED
-    		  has exceeded the limit specific to the flash
-    		  controller.</entry>
-    		</row>
-    		<row>
-    		  <entry><constant>V4L2_FLASH_FAULT_TIMEOUT</constant></entry>
-    		  <entry>The flash strobe was still on when
-    		  the timeout set by the user ---
-    		  V4L2_CID_FLASH_TIMEOUT control --- has expired.
-    		  Not all flash controllers may set this in all
-    		  such conditions.</entry>
-    		</row>
-    		<row>
-    		  <entry><constant>V4L2_FLASH_FAULT_OVER_TEMPERATURE</constant></entry>
-    		  <entry>The flash controller has overheated.</entry>
-    		</row>
-    		<row>
-    		  <entry><constant>V4L2_FLASH_FAULT_SHORT_CIRCUIT</constant></entry>
-    		  <entry>The short circuit protection of the flash
-    		  controller has been triggered.</entry>
-    		</row>
-    		<row>
-    		  <entry><constant>V4L2_FLASH_FAULT_OVER_CURRENT</constant></entry>
-    		  <entry>Current in the LED power supply has exceeded the limit
-    		  specific to the flash controller.</entry>
-    		</row>
-    		<row>
-    		  <entry><constant>V4L2_FLASH_FAULT_INDICATOR</constant></entry>
-    		  <entry>The flash controller has detected a short or open
-    		  circuit condition on the indicator LED.</entry>
-    		</row>
-		<row>
-		  <entry><constant>V4L2_FLASH_FAULT_UNDER_VOLTAGE</constant></entry>
-		  <entry>Flash controller voltage to the flash LED
-		  has been below the minimum limit specific to the flash
-		  controller.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_FLASH_FAULT_INPUT_VOLTAGE</constant></entry>
-		  <entry>The input voltage of the flash controller is below
-		  the limit under which strobing the flash at full current
-		  will not be possible.The condition persists until this flag
-		  is no longer set.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_FLASH_FAULT_LED_OVER_TEMPERATURE</constant></entry>
-		  <entry>The temperature of the LED has exceeded its
-		  allowed upper limit.</entry>
-		</row>
-    	      </tbody>
-    	    </entrytbl>
-    	  </row>
-    	  <row>
-    	    <entry spanname="id"><constant>V4L2_CID_FLASH_CHARGE</constant></entry>
-    	    <entry>boolean</entry>
-    	  </row>
-    	  <row><entry spanname="descr">Enable or disable charging of the xenon
-    	  flash capacitor.</entry>
-    	  </row>
-    	  <row>
-    	    <entry spanname="id"><constant>V4L2_CID_FLASH_READY</constant></entry>
-    	    <entry>boolean</entry>
-    	  </row>
-    	  <row>
-    	    <entry spanname="descr">Is the flash ready to strobe?
-    	    Xenon flashes require their capacitors charged before
-    	    strobing. LED flashes often require a cooldown period
-    	    after strobe during which another strobe will not be
-    	    possible. This is a read-only control.</entry>
-    	  </row>
-    	  <row><entry></entry></row>
-    	</tbody>
-          </tgroup>
-          </table>
-	</section>
-      </section>
-    </section>
-
-    <section id="jpeg-controls">
-      <title>JPEG Control Reference</title>
-      <para>The JPEG class includes controls for common features of JPEG
-      encoders and decoders. Currently it includes features for codecs
-      implementing progressive baseline DCT compression process with
-      Huffman entrophy coding.</para>
-      <table pgwide="1" frame="none" id="jpeg-control-id">
-      <title>JPEG Control IDs</title>
-
-      <tgroup cols="4">
-	<colspec colname="c1" colwidth="1*" />
-	<colspec colname="c2" colwidth="6*" />
-	<colspec colname="c3" colwidth="2*" />
-	<colspec colname="c4" colwidth="6*" />
-	<spanspec namest="c1" nameend="c2" spanname="id" />
-	<spanspec namest="c2" nameend="c4" spanname="descr" />
-	<thead>
-	  <row>
-	    <entry spanname="id" align="left">ID</entry>
-	    <entry align="left">Type</entry>
-	  </row><row rowsep="1"><entry spanname="descr" align="left">Description</entry>
-	  </row>
-	</thead>
-	<tbody valign="top">
-	  <row><entry></entry></row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_JPEG_CLASS</constant>&nbsp;</entry>
-	    <entry>class</entry>
-	  </row><row><entry spanname="descr">The JPEG class descriptor. Calling
-	  &VIDIOC-QUERYCTRL; for this control will return a description of this
-	  control class.
-
-	</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_JPEG_CHROMA_SUBSAMPLING</constant></entry>
-	    <entry>menu</entry>
-	  </row>
-	  <row id="v4l2-jpeg-chroma-subsampling">
-	    <entry spanname="descr">The chroma subsampling factors describe how
-	    each component of an input image is sampled, in respect to maximum
-	    sample rate in each spatial dimension. See <xref linkend="itu-t81"/>,
-	    clause A.1.1. for more details. The <constant>
-	    V4L2_CID_JPEG_CHROMA_SUBSAMPLING</constant> control determines how
-	    Cb and Cr components are downsampled after coverting an input image
-	    from RGB to Y'CbCr color space.
-	    </entry>
-	  </row>
-	  <row>
-	    <entrytbl spanname="descr" cols="2">
-	      <tbody valign="top">
-		<row>
-		  <entry><constant>V4L2_JPEG_CHROMA_SUBSAMPLING_444</constant>
-		  </entry><entry>No chroma subsampling, each pixel has
-		  Y, Cr and Cb values.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_JPEG_CHROMA_SUBSAMPLING_422</constant>
-		  </entry><entry>Horizontally subsample Cr, Cb components
-		  by a factor of 2.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_JPEG_CHROMA_SUBSAMPLING_420</constant>
-		  </entry><entry>Subsample Cr, Cb components horizontally
-		  and vertically by 2.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_JPEG_CHROMA_SUBSAMPLING_411</constant>
-		  </entry><entry>Horizontally subsample Cr, Cb components
-		  by a factor of 4.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_JPEG_CHROMA_SUBSAMPLING_410</constant>
-		  </entry><entry>Subsample Cr, Cb components horizontally
-		  by 4 and vertically by 2.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY</constant>
-		  </entry><entry>Use only luminance component.</entry>
-		</row>
-	      </tbody>
-	    </entrytbl>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_JPEG_RESTART_INTERVAL</constant>
-	    </entry><entry>integer</entry>
-	  </row>
-	  <row><entry spanname="descr">
-	      The restart interval determines an interval of inserting RSTm
-	      markers (m = 0..7). The purpose of these markers is to additionally
-	      reinitialize the encoder process, in order to process blocks of
-	      an image independently.
-	      For the lossy compression processes the restart interval unit is
-	      MCU (Minimum Coded Unit) and its value is contained in DRI
-	      (Define Restart Interval) marker. If <constant>
-	      V4L2_CID_JPEG_RESTART_INTERVAL</constant> control is set to 0,
-	      DRI and RSTm markers will not be inserted.
-	    </entry>
-	  </row>
-	  <row id="jpeg-quality-control">
-	    <entry spanname="id"><constant>V4L2_CID_JPEG_COMPRESSION_QUALITY</constant></entry>
-	    <entry>integer</entry>
-	  </row>
-	  <row>
-	    <entry spanname="descr">
-	      <constant>V4L2_CID_JPEG_COMPRESSION_QUALITY</constant> control
-	      determines trade-off between image quality and size.
-	      It provides simpler method for applications to control image quality,
-	      without a need for direct reconfiguration of luminance and chrominance
-	      quantization tables.
-
-	      In cases where a driver uses quantization tables configured directly
-	      by an application, using interfaces defined elsewhere, <constant>
-	      V4L2_CID_JPEG_COMPRESSION_QUALITY</constant> control should be set
-	      by driver to 0.
-
-	      <para>The value range of this control is driver-specific. Only
-	      positive, non-zero values are meaningful. The recommended range
-	      is 1 - 100, where larger values correspond to better image quality.
-	      </para>
-	    </entry>
-	    </row>
-	  <row id="jpeg-active-marker-control">
-	    <entry spanname="id"><constant>V4L2_CID_JPEG_ACTIVE_MARKER</constant></entry>
-	    <entry>bitmask</entry>
-	  </row>
-	  <row>
-	    <entry spanname="descr">Specify which JPEG markers are included
-	    in compressed stream. This control is valid only for encoders.
-	    </entry>
-	  </row>
-	  <row>
-	    <entrytbl spanname="descr" cols="2">
-	      <tbody valign="top">
-		<row>
-		  <entry><constant>V4L2_JPEG_ACTIVE_MARKER_APP0</constant></entry>
-		  <entry>Application data segment APP<subscript>0</subscript>.</entry>
-		</row><row>
-		  <entry><constant>V4L2_JPEG_ACTIVE_MARKER_APP1</constant></entry>
-		  <entry>Application data segment APP<subscript>1</subscript>.</entry>
-		</row><row>
-		  <entry><constant>V4L2_JPEG_ACTIVE_MARKER_COM</constant></entry>
-		  <entry>Comment segment.</entry>
-		</row><row>
-		  <entry><constant>V4L2_JPEG_ACTIVE_MARKER_DQT</constant></entry>
-		  <entry>Quantization tables segment.</entry>
-		</row><row>
-		  <entry><constant>V4L2_JPEG_ACTIVE_MARKER_DHT</constant></entry>
-		  <entry>Huffman tables segment.</entry>
-		</row>
-	      </tbody>
-	    </entrytbl>
-	  </row>
-	  <row><entry></entry></row>
-	</tbody>
-      </tgroup>
-      </table>
-      <para>For more details about JPEG specification, refer
-      to <xref linkend="itu-t81"/>, <xref linkend="jfif"/>,
-      <xref linkend="w3c-jpeg-jfif"/>.</para>
-    </section>
-
-    <section id="image-source-controls">
-      <title>Image Source Control Reference</title>
-
-      <para>
-	The Image Source control class is intended for low-level
-	control of image source devices such as image sensors. The
-	devices feature an analogue to digital converter and a bus
-	transmitter to transmit the image data out of the device.
-      </para>
-
-      <table pgwide="1" frame="none" id="image-source-control-id">
-      <title>Image Source Control IDs</title>
-
-      <tgroup cols="4">
-	<colspec colname="c1" colwidth="1*" />
-	<colspec colname="c2" colwidth="6*" />
-	<colspec colname="c3" colwidth="2*" />
-	<colspec colname="c4" colwidth="6*" />
-	<spanspec namest="c1" nameend="c2" spanname="id" />
-	<spanspec namest="c2" nameend="c4" spanname="descr" />
-	<thead>
-	  <row>
-	    <entry spanname="id" align="left">ID</entry>
-	    <entry align="left">Type</entry>
-	  </row><row rowsep="1"><entry spanname="descr" align="left">Description</entry>
-	  </row>
-	</thead>
-	<tbody valign="top">
-	  <row><entry></entry></row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_IMAGE_SOURCE_CLASS</constant></entry>
-	    <entry>class</entry>
-	  </row>
-	  <row>
-	    <entry spanname="descr">The IMAGE_SOURCE class descriptor.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_VBLANK</constant></entry>
-	    <entry>integer</entry>
-	  </row>
-	  <row>
-	    <entry spanname="descr">Vertical blanking. The idle period
-	    after every frame during which no image data is produced.
-	    The unit of vertical blanking is a line. Every line has
-	    length of the image width plus horizontal blanking at the
-	    pixel rate defined by
-	    <constant>V4L2_CID_PIXEL_RATE</constant> control in the
-	    same sub-device.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_HBLANK</constant></entry>
-	    <entry>integer</entry>
-	  </row>
-	  <row>
-	    <entry spanname="descr">Horizontal blanking. The idle
-	    period after every line of image data during which no
-	    image data is produced. The unit of horizontal blanking is
-	    pixels.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_ANALOGUE_GAIN</constant></entry>
-	    <entry>integer</entry>
-	  </row>
-	  <row>
-	    <entry spanname="descr">Analogue gain is gain affecting
-	    all colour components in the pixel matrix. The gain
-	    operation is performed in the analogue domain before A/D
-	    conversion.
-	    </entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_TEST_PATTERN_RED</constant></entry>
-	    <entry>integer</entry>
-	  </row>
-	  <row>
-	    <entry spanname="descr">Test pattern red colour component.
-	    </entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_TEST_PATTERN_GREENR</constant></entry>
-	    <entry>integer</entry>
-	  </row>
-	  <row>
-	    <entry spanname="descr">Test pattern green (next to red)
-	    colour component.
-	    </entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_TEST_PATTERN_BLUE</constant></entry>
-	    <entry>integer</entry>
-	  </row>
-	  <row>
-	    <entry spanname="descr">Test pattern blue colour component.
-	    </entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_TEST_PATTERN_GREENB</constant></entry>
-	    <entry>integer</entry>
-	  </row>
-	  <row>
-	    <entry spanname="descr">Test pattern green (next to blue)
-	    colour component.
-	    </entry>
-	  </row>
-	  <row><entry></entry></row>
-	</tbody>
-      </tgroup>
-      </table>
-
-    </section>
-
-    <section id="image-process-controls">
-      <title>Image Process Control Reference</title>
-
-      <para>
-	The Image Process control class is intended for low-level control of
-	image processing functions. Unlike
-	<constant>V4L2_CID_IMAGE_SOURCE_CLASS</constant>, the controls in
-	this class affect processing the image, and do not control capturing
-	of it.
-      </para>
-
-      <table pgwide="1" frame="none" id="image-process-control-id">
-      <title>Image Process Control IDs</title>
-
-      <tgroup cols="4">
-	<colspec colname="c1" colwidth="1*" />
-	<colspec colname="c2" colwidth="6*" />
-	<colspec colname="c3" colwidth="2*" />
-	<colspec colname="c4" colwidth="6*" />
-	<spanspec namest="c1" nameend="c2" spanname="id" />
-	<spanspec namest="c2" nameend="c4" spanname="descr" />
-	<thead>
-	  <row>
-	    <entry spanname="id" align="left">ID</entry>
-	    <entry align="left">Type</entry>
-	  </row><row rowsep="1"><entry spanname="descr" align="left">Description</entry>
-	  </row>
-	</thead>
-	<tbody valign="top">
-	  <row><entry></entry></row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_IMAGE_PROC_CLASS</constant></entry>
-	    <entry>class</entry>
-	  </row>
-	  <row>
-	    <entry spanname="descr">The IMAGE_PROC class descriptor.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_LINK_FREQ</constant></entry>
-	    <entry>integer menu</entry>
-	  </row>
-	  <row>
-	    <entry spanname="descr">Data bus frequency. Together with the
-	    media bus pixel code, bus type (clock cycles per sample), the
-	    data bus frequency defines the pixel rate
-	    (<constant>V4L2_CID_PIXEL_RATE</constant>) in the
-	    pixel array (or possibly elsewhere, if the device is not an
-	    image sensor). The frame rate can be calculated from the pixel
-	    clock, image width and height and horizontal and vertical
-	    blanking. While the pixel rate control may be defined elsewhere
-	    than in the subdev containing the pixel array, the frame rate
-	    cannot be obtained from that information. This is because only
-	    on the pixel array it can be assumed that the vertical and
-	    horizontal blanking information is exact: no other blanking is
-	    allowed in the pixel array. The selection of frame rate is
-	    performed by selecting the desired horizontal and vertical
-	    blanking. The unit of this control is Hz. </entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_PIXEL_RATE</constant></entry>
-	    <entry>64-bit integer</entry>
-	  </row>
-	  <row>
-	    <entry spanname="descr">Pixel rate in the source pads of
-	    the subdev. This control is read-only and its unit is
-	    pixels / second.
-	    </entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_TEST_PATTERN</constant></entry>
-	    <entry>menu</entry>
-	  </row>
-	  <row id="v4l2-test-pattern">
-	    <entry spanname="descr"> Some capture/display/sensor devices have
-	    the capability to generate test pattern images. These hardware
-	    specific test patterns can be used to test if a device is working
-	    properly.</entry>
-	  </row>
-	  <row><entry></entry></row>
-	</tbody>
-      </tgroup>
-      </table>
-
-    </section>
-
-    <section id="dv-controls">
-      <title>Digital Video Control Reference</title>
-
-      <para>
-	The Digital Video control class is intended to control receivers
-	and transmitters for <ulink url="http://en.wikipedia.org/wiki/Vga">VGA</ulink>,
-	<ulink url="http://en.wikipedia.org/wiki/Digital_Visual_Interface">DVI</ulink>
-	(Digital Visual Interface), HDMI (<xref linkend="hdmi" />) and DisplayPort (<xref linkend="dp" />).
-	These controls are generally expected to be private to the receiver or transmitter
-	subdevice that implements them, so they are only exposed on the
-	<filename>/dev/v4l-subdev*</filename> device node.
-      </para>
-
-      <para>Note that these devices can have multiple input or output pads which are
-      hooked up to e.g. HDMI connectors. Even though the subdevice will receive or
-      transmit video from/to only one of those pads, the other pads can still be
-      active when it comes to EDID (Extended Display Identification Data,
-      <xref linkend="vesaedid" />) and HDCP (High-bandwidth Digital Content
-      Protection System, <xref linkend="hdcp" />) processing, allowing the device
-      to do the fairly slow EDID/HDCP handling in advance. This allows for quick
-      switching between connectors.</para>
-
-      <para>These pads appear in several of the controls in this section as
-      bitmasks, one bit for each pad. Bit 0 corresponds to pad 0, bit 1 to pad 1,
-      etc. The maximum value of the control is the set of valid pads.</para>
-
-      <table pgwide="1" frame="none" id="dv-control-id">
-      <title>Digital Video Control IDs</title>
-
-      <tgroup cols="4">
-	<colspec colname="c1" colwidth="1*" />
-	<colspec colname="c2" colwidth="6*" />
-	<colspec colname="c3" colwidth="2*" />
-	<colspec colname="c4" colwidth="6*" />
-	<spanspec namest="c1" nameend="c2" spanname="id" />
-	<spanspec namest="c2" nameend="c4" spanname="descr" />
-	<thead>
-	  <row>
-	    <entry spanname="id" align="left">ID</entry>
-	    <entry align="left">Type</entry>
-	  </row><row rowsep="1"><entry spanname="descr" align="left">Description</entry>
-	  </row>
-	</thead>
-	<tbody valign="top">
-	  <row><entry></entry></row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_DV_CLASS</constant></entry>
-	    <entry>class</entry>
-	  </row>
-	  <row>
-	    <entry spanname="descr">The Digital Video class descriptor.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_DV_TX_HOTPLUG</constant></entry>
-	    <entry>bitmask</entry>
-	  </row>
-	  <row>
-	    <entry spanname="descr">Many connectors have a hotplug pin which is high
-	    if EDID information is available from the source. This control shows the
-	    state of the hotplug pin as seen by the transmitter.
-	    Each bit corresponds to an output pad on the transmitter. If an output pad
-	    does not have an associated hotplug pin, then the bit for that pad will be 0.
-	    This read-only control is applicable to DVI-D, HDMI and DisplayPort connectors.
-	    </entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_DV_TX_RXSENSE</constant></entry>
-	    <entry>bitmask</entry>
-	  </row>
-	  <row>
-	    <entry spanname="descr">Rx Sense is the detection of pull-ups on the TMDS
-            clock lines. This normally means that the sink has left/entered standby (i.e.
-	    the transmitter can sense that the receiver is ready to receive video).
-	    Each bit corresponds to an output pad on the transmitter. If an output pad
-	    does not have an associated Rx Sense, then the bit for that pad will be 0.
-	    This read-only control is applicable to DVI-D and HDMI devices.
-	    </entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_DV_TX_EDID_PRESENT</constant></entry>
-	    <entry>bitmask</entry>
-	  </row>
-	  <row>
-	    <entry spanname="descr">When the transmitter sees the hotplug signal from the
-	    receiver it will attempt to read the EDID. If set, then the transmitter has read
-	    at least the first block (= 128 bytes).
-	    Each bit corresponds to an output pad on the transmitter. If an output pad
-	    does not support EDIDs, then the bit for that pad will be 0.
-	    This read-only control is applicable to VGA, DVI-A/D, HDMI and DisplayPort connectors.
-	    </entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_DV_TX_MODE</constant></entry>
-	    <entry id="v4l2-dv-tx-mode">enum v4l2_dv_tx_mode</entry>
-	  </row>
-	  <row>
-	    <entry spanname="descr">HDMI transmitters can transmit in DVI-D mode (just video)
-	    or in HDMI mode (video + audio + auxiliary data). This control selects which mode
-	    to use: V4L2_DV_TX_MODE_DVI_D or V4L2_DV_TX_MODE_HDMI.
-	    This control is applicable to HDMI connectors.
-	    </entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_DV_TX_RGB_RANGE</constant></entry>
-	    <entry id="v4l2-dv-rgb-range">enum v4l2_dv_rgb_range</entry>
-	  </row>
-	  <row>
-	    <entry spanname="descr">Select the quantization range for RGB output. V4L2_DV_RANGE_AUTO
-	    follows the RGB quantization range specified in the standard for the video interface
-	    (ie. <xref linkend="cea861" /> for HDMI). V4L2_DV_RANGE_LIMITED and V4L2_DV_RANGE_FULL override the standard
-	    to be compatible with sinks that have not implemented the standard correctly
-	    (unfortunately quite common for HDMI and DVI-D). Full range allows all possible values to be
-	    used whereas limited range sets the range to (16 &lt;&lt; (N-8)) - (235 &lt;&lt; (N-8))
-	    where N is the number of bits per component.
-	    This control is applicable to VGA, DVI-A/D, HDMI and DisplayPort connectors.
-	    </entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_DV_TX_IT_CONTENT_TYPE</constant></entry>
-	    <entry id="v4l2-dv-content-type">enum v4l2_dv_it_content_type</entry>
-	  </row>
-	  <row><entry spanname="descr">Configures the IT Content Type
-	    of the transmitted video. This information is sent over HDMI and DisplayPort connectors
-	    as part of the AVI InfoFrame. The term 'IT Content' is used for content that originates
-	    from a computer as opposed to content from a TV broadcast or an analog source. The
-	    enum&nbsp;v4l2_dv_it_content_type defines the possible content types:</entry>
-	  </row>
-	  <row>
-	    <entrytbl spanname="descr" cols="2">
-	      <tbody valign="top">
-	        <row>
-	          <entry><constant>V4L2_DV_IT_CONTENT_TYPE_GRAPHICS</constant>&nbsp;</entry>
-		  <entry>Graphics content. Pixel data should be passed unfiltered and without
-		  analog reconstruction.</entry>
-		</row>
-	        <row>
-	          <entry><constant>V4L2_DV_IT_CONTENT_TYPE_PHOTO</constant>&nbsp;</entry>
-		  <entry>Photo content. The content is derived from digital still pictures.
-		  The content should be passed through with minimal scaling and picture
-		  enhancements.</entry>
-		</row>
-	        <row>
-	          <entry><constant>V4L2_DV_IT_CONTENT_TYPE_CINEMA</constant>&nbsp;</entry>
-		  <entry>Cinema content.</entry>
-		</row>
-	        <row>
-	          <entry><constant>V4L2_DV_IT_CONTENT_TYPE_GAME</constant>&nbsp;</entry>
-		  <entry>Game content. Audio and video latency should be minimized.</entry>
-		</row>
-	        <row>
-	          <entry><constant>V4L2_DV_IT_CONTENT_TYPE_NO_ITC</constant>&nbsp;</entry>
-		  <entry>No IT Content information is available and the ITC bit in the AVI
-		  InfoFrame is set to 0.</entry>
-		</row>
-	      </tbody>
-	    </entrytbl>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_DV_RX_POWER_PRESENT</constant></entry>
-	    <entry>bitmask</entry>
-	  </row>
-	  <row>
-	    <entry spanname="descr">Detects whether the receiver receives power from the source
-	    (e.g. HDMI carries 5V on one of the pins). This is often used to power an eeprom
-	    which contains EDID information, such that the source can read the EDID even if
-	    the sink is in standby/power off.
-	    Each bit corresponds to an input pad on the transmitter. If an input pad
-	    cannot detect whether power is present, then the bit for that pad will be 0.
-	    This read-only control is applicable to DVI-D, HDMI and DisplayPort connectors.
-	    </entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_DV_RX_RGB_RANGE</constant></entry>
-	    <entry>enum v4l2_dv_rgb_range</entry>
-	  </row>
-	  <row>
-	    <entry spanname="descr">Select the quantization range for RGB input. V4L2_DV_RANGE_AUTO
-	    follows the RGB quantization range specified in the standard for the video interface
-	    (ie. <xref linkend="cea861" /> for HDMI). V4L2_DV_RANGE_LIMITED and V4L2_DV_RANGE_FULL override the standard
-	    to be compatible with sources that have not implemented the standard correctly
-	    (unfortunately quite common for HDMI and DVI-D). Full range allows all possible values to be
-	    used whereas limited range sets the range to (16 &lt;&lt; (N-8)) - (235 &lt;&lt; (N-8))
-	    where N is the number of bits per component.
-	    This control is applicable to VGA, DVI-A/D, HDMI and DisplayPort connectors.
-	    </entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_DV_RX_IT_CONTENT_TYPE</constant></entry>
-	    <entry>enum v4l2_dv_it_content_type</entry>
-	  </row>
-	  <row><entry spanname="descr">Reads the IT Content Type
-	    of the received video. This information is sent over HDMI and DisplayPort connectors
-	    as part of the AVI InfoFrame. The term 'IT Content' is used for content that originates
-	    from a computer as opposed to content from a TV broadcast or an analog source. See
-	    <constant>V4L2_CID_DV_TX_IT_CONTENT_TYPE</constant> for the available content types.</entry>
-	  </row>
-	  <row><entry></entry></row>
-	</tbody>
-      </tgroup>
-      </table>
-
-    </section>
-
-    <section id="fm-rx-controls">
-      <title>FM Receiver Control Reference</title>
-
-      <para>The FM Receiver (FM_RX) class includes controls for common features of
-      FM Reception capable devices.</para>
-
-      <table pgwide="1" frame="none" id="fm-rx-control-id">
-      <title>FM_RX Control IDs</title>
-
-      <tgroup cols="4">
-        <colspec colname="c1" colwidth="1*" />
-        <colspec colname="c2" colwidth="6*" />
-        <colspec colname="c3" colwidth="2*" />
-        <colspec colname="c4" colwidth="6*" />
-        <spanspec namest="c1" nameend="c2" spanname="id" />
-        <spanspec namest="c2" nameend="c4" spanname="descr" />
-        <thead>
-          <row>
-            <entry spanname="id" align="left">ID</entry>
-            <entry align="left">Type</entry>
-          </row><row rowsep="1"><entry spanname="descr" align="left">Description</entry>
-          </row>
-        </thead>
-        <tbody valign="top">
-          <row><entry></entry></row>
-          <row>
-            <entry spanname="id"><constant>V4L2_CID_FM_RX_CLASS</constant>&nbsp;</entry>
-            <entry>class</entry>
-          </row><row><entry spanname="descr">The FM_RX class
-descriptor. Calling &VIDIOC-QUERYCTRL; for this control will return a
-description of this control class.</entry>
-          </row>
-          <row>
-            <entry spanname="id"><constant>V4L2_CID_RDS_RECEPTION</constant>&nbsp;</entry>
-            <entry>boolean</entry>
-          </row><row><entry spanname="descr">Enables/disables RDS
-	  reception by the radio tuner</entry>
-          </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_RDS_RX_PTY</constant>&nbsp;</entry>
-	    <entry>integer</entry>
-	  </row>
-	  <row><entry spanname="descr">Gets RDS Programme Type field.
-This encodes up to 31 pre-defined programme types.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_RDS_RX_PS_NAME</constant>&nbsp;</entry>
-	    <entry>string</entry>
-	  </row>
-	  <row><entry spanname="descr">Gets the Programme Service name (PS_NAME).
-It is intended for static display on a receiver. It is the primary aid to listeners in programme service
-identification and selection.  In Annex E of <xref linkend="iec62106" />, the RDS specification,
-there is a full description of the correct character encoding for Programme Service name strings.
-Also from RDS specification, PS is usually a single eight character text. However, it is also possible
-to find receivers which can scroll strings sized as 8 x N characters. So, this control must be configured
-with steps of 8 characters. The result is it must always contain a string with size multiple of 8.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_RDS_RX_RADIO_TEXT</constant>&nbsp;</entry>
-	    <entry>string</entry>
-	  </row>
-	  <row><entry spanname="descr">Gets the Radio Text info. It is a textual description of
-what is being broadcasted. RDS Radio Text can be applied when broadcaster wishes to transmit longer PS names,
-programme-related information or any other text. In these cases, RadioText can be used in addition to
-<constant>V4L2_CID_RDS_RX_PS_NAME</constant>. The encoding for Radio Text strings is also fully described
-in Annex E of <xref linkend="iec62106" />. The length of Radio Text strings depends on which RDS Block is being
-used to transmit it, either 32 (2A block) or 64 (2B block).  However, it is also possible
-to find receivers which can scroll strings sized as 32 x N or 64 x N characters. So, this control must be configured
-with steps of 32 or 64 characters. The result is it must always contain a string with size multiple of 32 or 64. </entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_RDS_RX_TRAFFIC_ANNOUNCEMENT</constant>&nbsp;</entry>
-	    <entry>boolean</entry>
-	  </row>
-	  <row><entry spanname="descr">If set, then a traffic announcement is in progress.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_RDS_RX_TRAFFIC_PROGRAM</constant>&nbsp;</entry>
-	    <entry>boolean</entry>
-	  </row>
-	  <row><entry spanname="descr">If set, then the tuned programme carries traffic announcements.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="id"><constant>V4L2_CID_RDS_RX_MUSIC_SPEECH</constant>&nbsp;</entry>
-	    <entry>boolean</entry>
-	  </row>
-	  <row><entry spanname="descr">If set, then this channel broadcasts music. If cleared, then it
-broadcasts speech. If the transmitter doesn't make this distinction, then it will be set.</entry>
-	  </row>
-          <row>
-	    <entry spanname="id"><constant>V4L2_CID_TUNE_DEEMPHASIS</constant>&nbsp;</entry>
-	    <entry>enum v4l2_deemphasis</entry>
-	  </row>
-	  <row id="v4l2-deemphasis"><entry spanname="descr">Configures the de-emphasis value for reception.
-A de-emphasis filter is applied to the broadcast to accentuate the high audio frequencies.
-Depending on the region, a time constant of either 50 or 75 useconds is used. The enum&nbsp;v4l2_deemphasis
-defines possible values for de-emphasis. Here they are:</entry>
-	</row><row>
-	<entrytbl spanname="descr" cols="2">
-		  <tbody valign="top">
-		    <row>
-		      <entry><constant>V4L2_DEEMPHASIS_DISABLED</constant>&nbsp;</entry>
-		      <entry>No de-emphasis is applied.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_DEEMPHASIS_50_uS</constant>&nbsp;</entry>
-		      <entry>A de-emphasis of 50 uS is used.</entry>
-		    </row>
-		    <row>
-		      <entry><constant>V4L2_DEEMPHASIS_75_uS</constant>&nbsp;</entry>
-		      <entry>A de-emphasis of 75 uS is used.</entry>
-		    </row>
-		  </tbody>
-		</entrytbl>
-
-	  </row>
-          <row><entry></entry></row>
-        </tbody>
-      </tgroup>
-      </table>
-    </section>
-
-    <section id="detect-controls">
-      <title>Detect Control Reference</title>
-
-      <para>The Detect class includes controls for common features of
-      various motion or object detection capable devices.</para>
-
-      <table pgwide="1" frame="none" id="detect-control-id">
-      <title>Detect Control IDs</title>
-
-      <tgroup cols="4">
-        <colspec colname="c1" colwidth="1*" />
-        <colspec colname="c2" colwidth="6*" />
-        <colspec colname="c3" colwidth="2*" />
-        <colspec colname="c4" colwidth="6*" />
-        <spanspec namest="c1" nameend="c2" spanname="id" />
-        <spanspec namest="c2" nameend="c4" spanname="descr" />
-        <thead>
-          <row>
-            <entry spanname="id" align="left">ID</entry>
-            <entry align="left">Type</entry>
-          </row><row rowsep="1"><entry spanname="descr" align="left">Description</entry>
-          </row>
-        </thead>
-        <tbody valign="top">
-          <row><entry></entry></row>
-          <row>
-            <entry spanname="id"><constant>V4L2_CID_DETECT_CLASS</constant>&nbsp;</entry>
-            <entry>class</entry>
-          </row><row><entry spanname="descr">The Detect class
-descriptor. Calling &VIDIOC-QUERYCTRL; for this control will return a
-description of this control class.</entry>
-          </row>
-          <row>
-            <entry spanname="id"><constant>V4L2_CID_DETECT_MD_MODE</constant>&nbsp;</entry>
-            <entry>menu</entry>
-          </row><row><entry spanname="descr">Sets the motion detection mode.</entry>
-          </row>
-	  <row>
-	    <entrytbl spanname="descr" cols="2">
-	      <tbody valign="top">
-		<row>
-		  <entry><constant>V4L2_DETECT_MD_MODE_DISABLED</constant>
-		  </entry><entry>Disable motion detection.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_DETECT_MD_MODE_GLOBAL</constant>
-		  </entry><entry>Use a single motion detection threshold.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_DETECT_MD_MODE_THRESHOLD_GRID</constant>
-		  </entry><entry>The image is divided into a grid, each cell with its own
-		  motion detection threshold. These thresholds are set through the
-		  <constant>V4L2_CID_DETECT_MD_THRESHOLD_GRID</constant> matrix control.</entry>
-		</row>
-		<row>
-		  <entry><constant>V4L2_DETECT_MD_MODE_REGION_GRID</constant>
-		  </entry><entry>The image is divided into a grid, each cell with its own
-		  region value that specifies which per-region motion detection thresholds
-		  should be used. Each region has its own thresholds. How these per-region
-		  thresholds are set up is driver-specific. The region values for the grid are set
-		  through the <constant>V4L2_CID_DETECT_MD_REGION_GRID</constant> matrix
-		  control.</entry>
-		</row>
-	      </tbody>
-	    </entrytbl>
-	  </row>
-          <row>
-	    <entry spanname="id"><constant>V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD</constant>&nbsp;</entry>
-	    <entry>integer</entry>
-	  </row>
-	  <row><entry spanname="descr">Sets the global motion detection threshold to be
-	  used with the <constant>V4L2_DETECT_MD_MODE_GLOBAL</constant> motion detection mode.</entry>
-          </row>
-          <row>
-	    <entry spanname="id"><constant>V4L2_CID_DETECT_MD_THRESHOLD_GRID</constant>&nbsp;</entry>
-	    <entry>__u16 matrix</entry>
-	  </row>
-	  <row><entry spanname="descr">Sets the motion detection thresholds for each cell in the grid.
-	  To be used with the <constant>V4L2_DETECT_MD_MODE_THRESHOLD_GRID</constant>
-	  motion detection mode. Matrix element (0, 0) represents the cell at the top-left of the
-	  grid.</entry>
-          </row>
-          <row>
-	    <entry spanname="id"><constant>V4L2_CID_DETECT_MD_REGION_GRID</constant>&nbsp;</entry>
-	    <entry>__u8 matrix</entry>
-	  </row>
-	  <row><entry spanname="descr">Sets the motion detection region value for each cell in the grid.
-	  To be used with the <constant>V4L2_DETECT_MD_MODE_REGION_GRID</constant>
-	  motion detection mode. Matrix element (0, 0) represents the cell at the top-left of the
-	  grid.</entry>
-          </row>
-        </tbody>
-      </tgroup>
-      </table>
-
-      </section>
-
-    <section id="rf-tuner-controls">
-      <title>RF Tuner Control Reference</title>
-
-      <para>
-The RF Tuner (RF_TUNER) class includes controls for common features of devices
-having RF tuner.
-      </para>
-      <para>
-In this context, RF tuner is radio receiver circuit between antenna and
-demodulator. It receives radio frequency (RF) from the antenna and converts that
-received signal to lower intermediate frequency (IF) or baseband frequency (BB).
-Tuners that could do baseband output are often called Zero-IF tuners. Older
-tuners were typically simple PLL tuners inside a metal box, whilst newer ones
-are highly integrated chips without a metal box "silicon tuners". These controls
-are mostly applicable for new feature rich silicon tuners, just because older
-tuners does not have much adjustable features.
-      </para>
-      <para>
-For more information about RF tuners see
-<ulink url="http://en.wikipedia.org/wiki/Tuner_%28radio%29">Tuner (radio)</ulink>
-and
-<ulink url="http://en.wikipedia.org/wiki/RF_front_end">RF front end</ulink>
-from Wikipedia.
-      </para>
-
-      <table pgwide="1" frame="none" id="rf-tuner-control-id">
-        <title>RF_TUNER Control IDs</title>
-
-        <tgroup cols="4">
-          <colspec colname="c1" colwidth="1*" />
-          <colspec colname="c2" colwidth="6*" />
-          <colspec colname="c3" colwidth="2*" />
-          <colspec colname="c4" colwidth="6*" />
-          <spanspec namest="c1" nameend="c2" spanname="id" />
-          <spanspec namest="c2" nameend="c4" spanname="descr" />
-          <thead>
-            <row>
-              <entry spanname="id" align="left">ID</entry>
-              <entry align="left">Type</entry>
-            </row>
-            <row rowsep="1">
-              <entry spanname="descr" align="left">Description</entry>
-            </row>
-          </thead>
-          <tbody valign="top">
-            <row><entry></entry></row>
-            <row>
-              <entry spanname="id"><constant>V4L2_CID_RF_TUNER_CLASS</constant>&nbsp;</entry>
-              <entry>class</entry>
-            </row><row><entry spanname="descr">The RF_TUNER class
-descriptor. Calling &VIDIOC-QUERYCTRL; for this control will return a
-description of this control class.</entry>
-            </row>
-            <row>
-              <entry spanname="id"><constant>V4L2_CID_RF_TUNER_BANDWIDTH_AUTO</constant>&nbsp;</entry>
-              <entry>boolean</entry>
-            </row>
-            <row>
-              <entry spanname="descr">Enables/disables tuner radio channel
-bandwidth configuration. In automatic mode bandwidth configuration is performed
-by the driver.</entry>
-            </row>
-            <row>
-              <entry spanname="id"><constant>V4L2_CID_RF_TUNER_BANDWIDTH</constant>&nbsp;</entry>
-              <entry>integer</entry>
-            </row>
-            <row>
-              <entry spanname="descr">Filter(s) on tuner signal path are used to
-filter signal according to receiving party needs. Driver configures filters to
-fulfill desired bandwidth requirement. Used when V4L2_CID_RF_TUNER_BANDWIDTH_AUTO is not
-set. Unit is in Hz. The range and step are driver-specific.</entry>
-            </row>
-            <row>
-              <entry spanname="id"><constant>V4L2_CID_RF_TUNER_LNA_GAIN_AUTO</constant>&nbsp;</entry>
-              <entry>boolean</entry>
-            </row>
-            <row>
-              <entry spanname="descr">Enables/disables LNA automatic gain control (AGC)</entry>
-            </row>
-            <row>
-              <entry spanname="id"><constant>V4L2_CID_RF_TUNER_MIXER_GAIN_AUTO</constant>&nbsp;</entry>
-              <entry>boolean</entry>
-            </row>
-            <row>
-              <entry spanname="descr">Enables/disables mixer automatic gain control (AGC)</entry>
-            </row>
-            <row>
-              <entry spanname="id"><constant>V4L2_CID_RF_TUNER_IF_GAIN_AUTO</constant>&nbsp;</entry>
-              <entry>boolean</entry>
-            </row>
-            <row>
-              <entry spanname="descr">Enables/disables IF automatic gain control (AGC)</entry>
-            </row>
-            <row>
-              <entry spanname="id"><constant>V4L2_CID_RF_TUNER_RF_GAIN</constant>&nbsp;</entry>
-              <entry>integer</entry>
-            </row>
-            <row>
-              <entry spanname="descr">The RF amplifier is the very first
-amplifier on the receiver signal path, just right after the antenna input.
-The difference between the LNA gain and the RF gain in this document is that
-the LNA gain is integrated in the tuner chip while the RF gain is a separate
-chip. There may be both RF and LNA gain controls in the same device.
-The range and step are driver-specific.</entry>
-            </row>
-            <row>
-              <entry spanname="id"><constant>V4L2_CID_RF_TUNER_LNA_GAIN</constant>&nbsp;</entry>
-              <entry>integer</entry>
-            </row>
-            <row>
-              <entry spanname="descr">LNA (low noise amplifier) gain is first
-gain stage on the RF tuner signal path. It is located very close to tuner
-antenna input. Used when <constant>V4L2_CID_RF_TUNER_LNA_GAIN_AUTO</constant> is not set.
-See <constant>V4L2_CID_RF_TUNER_RF_GAIN</constant> to understand how RF gain
-and LNA gain differs from the each others.
-The range and step are driver-specific.</entry>
-            </row>
-            <row>
-              <entry spanname="id"><constant>V4L2_CID_RF_TUNER_MIXER_GAIN</constant>&nbsp;</entry>
-              <entry>integer</entry>
-            </row>
-            <row>
-              <entry spanname="descr">Mixer gain is second gain stage on the RF
-tuner signal path. It is located inside mixer block, where RF signal is
-down-converted by the mixer. Used when <constant>V4L2_CID_RF_TUNER_MIXER_GAIN_AUTO</constant>
-is not set. The range and step are driver-specific.</entry>
-            </row>
-            <row>
-              <entry spanname="id"><constant>V4L2_CID_RF_TUNER_IF_GAIN</constant>&nbsp;</entry>
-              <entry>integer</entry>
-            </row>
-            <row>
-              <entry spanname="descr">IF gain is last gain stage on the RF tuner
-signal path. It is located on output of RF tuner. It controls signal level of
-intermediate frequency output or baseband output. Used when
-<constant>V4L2_CID_RF_TUNER_IF_GAIN_AUTO</constant> is not set. The range and step are
-driver-specific.</entry>
-            </row>
-            <row>
-              <entry spanname="id"><constant>V4L2_CID_RF_TUNER_PLL_LOCK</constant>&nbsp;</entry>
-              <entry>boolean</entry>
-            </row>
-            <row>
-              <entry spanname="descr">Is synthesizer PLL locked? RF tuner is
-receiving given frequency when that control is set. This is a read-only control.
-</entry>
-            </row>
-          </tbody>
-        </tgroup>
-      </table>
-    </section>
-</section>

Documentation/DocBook/media/v4l/dev-capture.xml

@@ -1,110 +0,0 @@
-  <title>Video Capture Interface</title>
-
-  <para>Video capture devices sample an analog video signal and store
-the digitized images in memory. Today nearly all devices can capture
-at full 25 or 30 frames/second. With this interface applications can
-control the capture process and move images from the driver into user
-space.</para>
-
-  <para>Conventionally V4L2 video capture devices are accessed through
-character device special files named <filename>/dev/video</filename>
-and <filename>/dev/video0</filename> to
-<filename>/dev/video63</filename> with major number 81 and minor
-numbers 0 to 63. <filename>/dev/video</filename> is typically a
-symbolic link to the preferred video device. Note the same device
-files are used for video output devices.</para>
-
-  <section>
-    <title>Querying Capabilities</title>
-
-    <para>Devices supporting the video capture interface set the
-<constant>V4L2_CAP_VIDEO_CAPTURE</constant> or
-<constant>V4L2_CAP_VIDEO_CAPTURE_MPLANE</constant> flag in the
-<structfield>capabilities</structfield> field of &v4l2-capability;
-returned by the &VIDIOC-QUERYCAP; ioctl. As secondary device functions
-they may also support the <link linkend="overlay">video overlay</link>
-(<constant>V4L2_CAP_VIDEO_OVERLAY</constant>) and the <link
-linkend="raw-vbi">raw VBI capture</link>
-(<constant>V4L2_CAP_VBI_CAPTURE</constant>) interface. At least one of
-the read/write or streaming I/O methods must be supported. Tuners and
-audio inputs are optional.</para>
-  </section>
-
-  <section>
-    <title>Supplemental Functions</title>
-
-    <para>Video capture devices shall support <link
-linkend="audio">audio input</link>, <link
-linkend="tuner">tuner</link>, <link linkend="control">controls</link>,
-<link linkend="crop">cropping and scaling</link> and <link
-linkend="streaming-par">streaming parameter</link> ioctls as needed.
-The <link linkend="video">video input</link> and <link
-linkend="standard">video standard</link> ioctls must be supported by
-all video capture devices.</para>
-  </section>
-
-  <section>
-    <title>Image Format Negotiation</title>
-
-    <para>The result of a capture operation is determined by
-cropping and image format parameters. The former select an area of the
-video picture to capture, the latter how images are stored in memory,
-&ie; in RGB or YUV format, the number of bits per pixel or width and
-height. Together they also define how images are scaled in the
-process.</para>
-
-    <para>As usual these parameters are <emphasis>not</emphasis> reset
-at &func-open; time to permit Unix tool chains, programming a device
-and then reading from it as if it was a plain file. Well written V4L2
-applications ensure they really get what they want, including cropping
-and scaling.</para>
-
-    <para>Cropping initialization at minimum requires to reset the
-parameters to defaults. An example is given in <xref
-linkend="crop" />.</para>
-
-    <para>To query the current image format applications set the
-<structfield>type</structfield> field of a &v4l2-format; to
-<constant>V4L2_BUF_TYPE_VIDEO_CAPTURE</constant> or
-<constant>V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE</constant> and call the
-&VIDIOC-G-FMT; ioctl with a pointer to this structure. Drivers fill
-the &v4l2-pix-format; <structfield>pix</structfield> or the
-&v4l2-pix-format-mplane; <structfield>pix_mp</structfield> member of the
-<structfield>fmt</structfield> union.</para>
-
-    <para>To request different parameters applications set the
-<structfield>type</structfield> field of a &v4l2-format; as above and
-initialize all fields of the &v4l2-pix-format;
-<structfield>vbi</structfield> member of the
-<structfield>fmt</structfield> union, or better just modify the
-results of <constant>VIDIOC_G_FMT</constant>, and call the
-&VIDIOC-S-FMT; ioctl with a pointer to this structure. Drivers may
-adjust the parameters and finally return the actual parameters as
-<constant>VIDIOC_G_FMT</constant> does.</para>
-
-    <para>Like <constant>VIDIOC_S_FMT</constant> the
-&VIDIOC-TRY-FMT; ioctl can be used to learn about hardware limitations
-without disabling I/O or possibly time consuming hardware
-preparations.</para>
-
-    <para>The contents of &v4l2-pix-format; and &v4l2-pix-format-mplane;
-are discussed in <xref linkend="pixfmt" />. See also the specification of the
-<constant>VIDIOC_G_FMT</constant>, <constant>VIDIOC_S_FMT</constant>
-and <constant>VIDIOC_TRY_FMT</constant> ioctls for details. Video
-capture devices must implement both the
-<constant>VIDIOC_G_FMT</constant> and
-<constant>VIDIOC_S_FMT</constant> ioctl, even if
-<constant>VIDIOC_S_FMT</constant> ignores all requests and always
-returns default parameters as <constant>VIDIOC_G_FMT</constant> does.
-<constant>VIDIOC_TRY_FMT</constant> is optional.</para>
-  </section>
-
-  <section>
-    <title>Reading Images</title>
-
-    <para>A video capture device may support the <link
-linkend="rw">read() function</link> and/or streaming (<link
-linkend="mmap">memory mapping</link> or <link
-linkend="userp">user pointer</link>) I/O. See <xref
-linkend="io" /> for details.</para>
-  </section>

Documentation/DocBook/media/v4l/dev-codec.xml

@@ -1,27 +0,0 @@
-  <title>Codec Interface</title>
-
-  <para>A V4L2 codec can compress, decompress, transform, or otherwise
-convert video data from one format into another format, in memory. Typically
-such devices are memory-to-memory devices (i.e. devices with the
-<constant>V4L2_CAP_VIDEO_M2M</constant> or <constant>V4L2_CAP_VIDEO_M2M_MPLANE</constant>
-capability set).
-</para>
-
-  <para>A memory-to-memory video node acts just like a normal video node, but it
-supports both output (sending frames from memory to the codec hardware) and
-capture (receiving the processed frames from the codec hardware into memory)
-stream I/O. An application will have to setup the stream
-I/O for both sides and finally call &VIDIOC-STREAMON; for both capture and output
-to start the codec.</para>
-
-  <para>Video compression codecs use the MPEG controls to setup their codec parameters
-(note that the MPEG controls actually support many more codecs than just MPEG).
-See <xref linkend="mpeg-controls"></xref>.</para>
-
-  <para>Memory-to-memory devices can often be used as a shared resource: you can
-open the video node multiple times, each application setting up their own codec properties
-that are local to the file handle, and each can use it independently from the others.
-The driver will arbitrate access to the codec and reprogram it whenever another file
-handler gets access. This is different from the usual video node behavior where the video properties
-are global to the device (i.e. changing something through one file handle is visible
-through another file handle).</para>

Documentation/DocBook/media/v4l/dev-effect.xml

@@ -1,17 +0,0 @@
-  <title>Effect Devices Interface</title>
-
-  <note>
-    <title>Suspended</title>
-
-    <para>This interface has been be suspended from the V4L2 API
-implemented in Linux 2.6 until we have more experience with effect
-device interfaces.</para>
-  </note>
-
-  <para>A V4L2 video effect device can do image effects, filtering, or
-combine two or more images or image streams. For example video
-transitions or wipes. Applications send data to be processed and
-receive the result data either with &func-read; and &func-write;
-functions, or through the streaming I/O mechanism.</para>
-
-  <para>[to do]</para>

Documentation/DocBook/media/v4l/dev-event.xml

@@ -1,43 +0,0 @@
-  <title>Event Interface</title>
-
-  <para>The V4L2 event interface provides a means for a user to get
-  immediately notified on certain conditions taking place on a device.
-  This might include start of frame or loss of signal events, for
-  example. Changes in the value or state of a V4L2 control can also be
-  reported through events.
-  </para>
-
-  <para>To receive events, the events the user is interested in first must
-  be subscribed using the &VIDIOC-SUBSCRIBE-EVENT; ioctl. Once an event is
-  subscribed, the events of subscribed types are dequeueable using the
-  &VIDIOC-DQEVENT; ioctl. Events may be unsubscribed using
-  VIDIOC_UNSUBSCRIBE_EVENT ioctl. The special event type V4L2_EVENT_ALL may
-  be used to unsubscribe all the events the driver supports.</para>
-
-  <para>The event subscriptions and event queues are specific to file
-  handles. Subscribing an event on one file handle does not affect
-  other file handles.</para>
-
-  <para>The information on dequeueable events is obtained by using select or
-  poll system calls on video devices. The V4L2 events use POLLPRI events on
-  poll system call and exceptions on select system call.</para>
-
-  <para>Starting with kernel 3.1 certain guarantees can be given with
-  regards to events:<orderedlist>
-	<listitem>
-	  <para>Each subscribed event has its own internal dedicated event queue.
-This means that flooding of one event type will not interfere with other
-event types.</para>
-	</listitem>
-	<listitem>
-	  <para>If the internal event queue for a particular subscribed event
-becomes full, then the oldest event in that queue will be dropped.</para>
-	</listitem>
-	<listitem>
-	  <para>Where applicable, certain event types can ensure that the payload
-of the oldest event that is about to be dropped will be merged with the payload
-of the next oldest event. Thus ensuring that no information is lost, but only an
-intermediate step leading up to that information. See the documentation for the
-event you want to subscribe to whether this is applicable for that event or not.</para>
-	</listitem>
-      </orderedlist></para>

Documentation/DocBook/media/v4l/dev-osd.xml

@@ -1,149 +0,0 @@
-  <title>Video Output Overlay Interface</title>
-  <subtitle>Also known as On-Screen Display (OSD)</subtitle>
-
-  <para>Some video output devices can overlay a framebuffer image onto
-the outgoing video signal. Applications can set up such an overlay
-using this interface, which borrows structures and ioctls of the <link
-linkend="overlay">Video Overlay</link> interface.</para>
-
-  <para>The OSD function is accessible through the same character
-special file as the <link linkend="capture">Video Output</link> function.
-Note the default function of such a <filename>/dev/video</filename> device
-is video capturing or output. The OSD function is only available after
-calling the &VIDIOC-S-FMT; ioctl.</para>
-
-  <section>
-    <title>Querying Capabilities</title>
-
-    <para>Devices supporting the <wordasword>Video Output
-Overlay</wordasword> interface set the
-<constant>V4L2_CAP_VIDEO_OUTPUT_OVERLAY</constant> flag in the
-<structfield>capabilities</structfield> field of &v4l2-capability;
-returned by the &VIDIOC-QUERYCAP; ioctl.</para>
-  </section>
-
-  <section>
-    <title>Framebuffer</title>
-
-    <para>Contrary to the <wordasword>Video Overlay</wordasword>
-interface the framebuffer is normally implemented on the TV card and
-not the graphics card. On Linux it is accessible as a framebuffer
-device (<filename>/dev/fbN</filename>). Given a V4L2 device,
-applications can find the corresponding framebuffer device by calling
-the &VIDIOC-G-FBUF; ioctl. It returns, amongst other information, the
-physical address of the framebuffer in the
-<structfield>base</structfield> field of &v4l2-framebuffer;. The
-framebuffer device ioctl <constant>FBIOGET_FSCREENINFO</constant>
-returns the same address in the <structfield>smem_start</structfield>
-field of struct <structname>fb_fix_screeninfo</structname>. The
-<constant>FBIOGET_FSCREENINFO</constant> ioctl and struct
-<structname>fb_fix_screeninfo</structname> are defined in the
-<filename>linux/fb.h</filename> header file.</para>
-
-    <para>The width and height of the framebuffer depends on the
-current video standard. A V4L2 driver may reject attempts to change
-the video standard (or any other ioctl which would imply a framebuffer
-size change) with an &EBUSY; until all applications closed the
-framebuffer device.</para>
-
-    <example>
-      <title>Finding a framebuffer device for OSD</title>
-
-      <programlisting>
-#include &lt;linux/fb.h&gt;
-
-&v4l2-framebuffer; fbuf;
-unsigned int i;
-int fb_fd;
-
-if (-1 == ioctl(fd, VIDIOC_G_FBUF, &amp;fbuf)) {
-	perror("VIDIOC_G_FBUF");
-	exit(EXIT_FAILURE);
-}
-
-for (i = 0; i &lt; 30; i++) {
-	char dev_name[16];
-	struct fb_fix_screeninfo si;
-
-	snprintf(dev_name, sizeof(dev_name), "/dev/fb%u", i);
-
-	fb_fd = open(dev_name, O_RDWR);
-	if (-1 == fb_fd) {
-		switch (errno) {
-		case ENOENT: /* no such file */
-		case ENXIO:  /* no driver */
-			continue;
-
-		default:
-			perror("open");
-			exit(EXIT_FAILURE);
-		}
-	}
-
-	if (0 == ioctl(fb_fd, FBIOGET_FSCREENINFO, &amp;si)) {
-		if (si.smem_start == (unsigned long)fbuf.base)
-			break;
-	} else {
-		/* Apparently not a framebuffer device. */
-	}
-
-	close(fb_fd);
-	fb_fd = -1;
-}
-
-/* fb_fd is the file descriptor of the framebuffer device
-   for the video output overlay, or -1 if no device was found. */
-</programlisting>
-    </example>
-  </section>
-
-  <section>
-    <title>Overlay Window and Scaling</title>
-
-    <para>The overlay is controlled by source and target rectangles.
-The source rectangle selects a subsection of the framebuffer image to
-be overlaid, the target rectangle an area in the outgoing video signal
-where the image will appear. Drivers may or may not support scaling,
-and arbitrary sizes and positions of these rectangles. Further drivers
-may support any (or none) of the clipping/blending methods defined for
-the <link linkend="overlay">Video Overlay</link> interface.</para>
-
-    <para>A &v4l2-window; defines the size of the source rectangle,
-its position in the framebuffer and the clipping/blending method to be
-used for the overlay. To get the current parameters applications set
-the <structfield>type</structfield> field of a &v4l2-format; to
-<constant>V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY</constant> and call the
-&VIDIOC-G-FMT; ioctl. The driver fills the
-<structname>v4l2_window</structname> substructure named
-<structfield>win</structfield>. It is not possible to retrieve a
-previously programmed clipping list or bitmap.</para>
-
-    <para>To program the source rectangle applications set the
-<structfield>type</structfield> field of a &v4l2-format; to
-<constant>V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY</constant>, initialize
-the <structfield>win</structfield> substructure and call the
-&VIDIOC-S-FMT; ioctl. The driver adjusts the parameters against
-hardware limits and returns the actual parameters as
-<constant>VIDIOC_G_FMT</constant> does. Like
-<constant>VIDIOC_S_FMT</constant>, the &VIDIOC-TRY-FMT; ioctl can be
-used to learn about driver capabilities without actually changing
-driver state. Unlike <constant>VIDIOC_S_FMT</constant> this also works
-after the overlay has been enabled.</para>
-
-    <para>A &v4l2-crop; defines the size and position of the target
-rectangle. The scaling factor of the overlay is implied by the width
-and height given in &v4l2-window; and &v4l2-crop;. The cropping API
-applies to <wordasword>Video Output</wordasword> and <wordasword>Video
-Output Overlay</wordasword> devices in the same way as to
-<wordasword>Video Capture</wordasword> and <wordasword>Video
-Overlay</wordasword> devices, merely reversing the direction of the
-data flow. For more information see <xref linkend="crop" />.</para>
-  </section>
-
-  <section>
-    <title>Enabling Overlay</title>
-
-    <para>There is no V4L2 ioctl to enable or disable the overlay,
-however the framebuffer interface of the driver may support the
-<constant>FBIOBLANK</constant> ioctl.</para>
-  </section>

Documentation/DocBook/media/v4l/dev-output.xml

@@ -1,106 +0,0 @@
-  <title>Video Output Interface</title>
-
-  <para>Video output devices encode stills or image sequences as
-analog video signal. With this interface applications can
-control the encoding process and move images from user space to
-the driver.</para>
-
-  <para>Conventionally V4L2 video output devices are accessed through
-character device special files named <filename>/dev/video</filename>
-and <filename>/dev/video0</filename> to
-<filename>/dev/video63</filename> with major number 81 and minor
-numbers 0 to 63. <filename>/dev/video</filename> is typically a
-symbolic link to the preferred video device. Note the same device
-files are used for video capture devices.</para>
-
-  <section>
-    <title>Querying Capabilities</title>
-
-    <para>Devices supporting the video output interface set the
-<constant>V4L2_CAP_VIDEO_OUTPUT</constant> or
-<constant>V4L2_CAP_VIDEO_OUTPUT_MPLANE</constant> flag in the
-<structfield>capabilities</structfield> field of &v4l2-capability;
-returned by the &VIDIOC-QUERYCAP; ioctl. As secondary device functions
-they may also support the <link linkend="raw-vbi">raw VBI
-output</link> (<constant>V4L2_CAP_VBI_OUTPUT</constant>) interface. At
-least one of the read/write or streaming I/O methods must be
-supported. Modulators and audio outputs are optional.</para>
-  </section>
-
-  <section>
-    <title>Supplemental Functions</title>
-
-    <para>Video output devices shall support <link
-linkend="audio">audio output</link>, <link
-linkend="tuner">modulator</link>, <link linkend="control">controls</link>,
-<link linkend="crop">cropping and scaling</link> and <link
-linkend="streaming-par">streaming parameter</link> ioctls as needed.
-The <link linkend="video">video output</link> and <link
-linkend="standard">video standard</link> ioctls must be supported by
-all video output devices.</para>
-  </section>
-
-  <section>
-    <title>Image Format Negotiation</title>
-
-    <para>The output is determined by cropping and image format
-parameters. The former select an area of the video picture where the
-image will appear, the latter how images are stored in memory, &ie; in
-RGB or YUV format, the number of bits per pixel or width and height.
-Together they also define how images are scaled in the process.</para>
-
-    <para>As usual these parameters are <emphasis>not</emphasis> reset
-at &func-open; time to permit Unix tool chains, programming a device
-and then writing to it as if it was a plain file. Well written V4L2
-applications ensure they really get what they want, including cropping
-and scaling.</para>
-
-    <para>Cropping initialization at minimum requires to reset the
-parameters to defaults. An example is given in <xref
-linkend="crop" />.</para>
-
-    <para>To query the current image format applications set the
-<structfield>type</structfield> field of a &v4l2-format; to
-<constant>V4L2_BUF_TYPE_VIDEO_OUTPUT</constant> or
-<constant>V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE</constant> and call the
-&VIDIOC-G-FMT; ioctl with a pointer to this structure. Drivers fill
-the &v4l2-pix-format; <structfield>pix</structfield> or the
-&v4l2-pix-format-mplane; <structfield>pix_mp</structfield> member of the
-<structfield>fmt</structfield> union.</para>
-
-    <para>To request different parameters applications set the
-<structfield>type</structfield> field of a &v4l2-format; as above and
-initialize all fields of the &v4l2-pix-format;
-<structfield>vbi</structfield> member of the
-<structfield>fmt</structfield> union, or better just modify the
-results of <constant>VIDIOC_G_FMT</constant>, and call the
-&VIDIOC-S-FMT; ioctl with a pointer to this structure. Drivers may
-adjust the parameters and finally return the actual parameters as
-<constant>VIDIOC_G_FMT</constant> does.</para>
-
-    <para>Like <constant>VIDIOC_S_FMT</constant> the
-&VIDIOC-TRY-FMT; ioctl can be used to learn about hardware limitations
-without disabling I/O or possibly time consuming hardware
-preparations.</para>
-
-    <para>The contents of &v4l2-pix-format; and &v4l2-pix-format-mplane;
-are discussed in <xref linkend="pixfmt" />. See also the specification of the
-<constant>VIDIOC_G_FMT</constant>, <constant>VIDIOC_S_FMT</constant>
-and <constant>VIDIOC_TRY_FMT</constant> ioctls for details. Video
-output devices must implement both the
-<constant>VIDIOC_G_FMT</constant> and
-<constant>VIDIOC_S_FMT</constant> ioctl, even if
-<constant>VIDIOC_S_FMT</constant> ignores all requests and always
-returns default parameters as <constant>VIDIOC_G_FMT</constant> does.
-<constant>VIDIOC_TRY_FMT</constant> is optional.</para>
-  </section>
-
-  <section>
-    <title>Writing Images</title>
-
-    <para>A video output device may support the <link
-linkend="rw">write() function</link> and/or streaming (<link
-linkend="mmap">memory mapping</link> or <link
-linkend="userp">user pointer</link>) I/O. See <xref
-linkend="io" /> for details.</para>
-  </section>

Documentation/DocBook/media/v4l/dev-overlay.xml

@@ -1,368 +0,0 @@
-  <title>Video Overlay Interface</title>
-  <subtitle>Also known as Framebuffer Overlay or Previewing</subtitle>
-
-  <para>Video overlay devices have the ability to genlock (TV-)video
-into the (VGA-)video signal of a graphics card, or to store captured
-images directly in video memory of a graphics card, typically with
-clipping. This can be considerable more efficient than capturing
-images and displaying them by other means. In the old days when only
-nuclear power plants needed cooling towers this used to be the only
-way to put live video into a window.</para>
-
-  <para>Video overlay devices are accessed through the same character
-special files as <link linkend="capture">video capture</link> devices.
-Note the default function of a <filename>/dev/video</filename> device
-is video capturing. The overlay function is only available after
-calling the &VIDIOC-S-FMT; ioctl.</para>
-
-    <para>The driver may support simultaneous overlay and capturing
-using the read/write and streaming I/O methods. If so, operation at
-the nominal frame rate of the video standard is not guaranteed. Frames
-may be directed away from overlay to capture, or one field may be used
-for overlay and the other for capture if the capture parameters permit
-this.</para>
-
-  <para>Applications should use different file descriptors for
-capturing and overlay. This must be supported by all drivers capable
-of simultaneous capturing and overlay. Optionally these drivers may
-also permit capturing and overlay with a single file descriptor for
-compatibility with V4L and earlier versions of V4L2.<footnote>
-	<para>A common application of two file descriptors is the
-XFree86 <link linkend="xvideo">Xv/V4L</link> interface driver and
-a V4L2 application. While the X server controls video overlay, the
-application can take advantage of memory mapping and DMA.</para>
-	<para>In the opinion of the designers of this API, no driver
-writer taking the efforts to support simultaneous capturing and
-overlay will restrict this ability by requiring a single file
-descriptor, as in V4L and earlier versions of V4L2. Making this
-optional means applications depending on two file descriptors need
-backup routines to be compatible with all drivers, which is
-considerable more work than using two fds in applications which do
-not. Also two fd's fit the general concept of one file descriptor for
-each logical stream. Hence as a complexity trade-off drivers
-<emphasis>must</emphasis> support two file descriptors and
-<emphasis>may</emphasis> support single fd operation.</para>
-      </footnote></para>
-
-  <section>
-    <title>Querying Capabilities</title>
-
-    <para>Devices supporting the video overlay interface set the
-<constant>V4L2_CAP_VIDEO_OVERLAY</constant> flag in the
-<structfield>capabilities</structfield> field of &v4l2-capability;
-returned by the &VIDIOC-QUERYCAP; ioctl. The overlay I/O method specified
-below must be supported. Tuners and audio inputs are optional.</para>
-  </section>
-
-  <section>
-    <title>Supplemental Functions</title>
-
-    <para>Video overlay devices shall support <link
-linkend="audio">audio input</link>, <link
-linkend="tuner">tuner</link>, <link linkend="control">controls</link>,
-<link linkend="crop">cropping and scaling</link> and <link
-linkend="streaming-par">streaming parameter</link> ioctls as needed.
-The <link linkend="video">video input</link> and <link
-linkend="standard">video standard</link> ioctls must be supported by
-all video overlay devices.</para>
-  </section>
-
-  <section>
-    <title>Setup</title>
-
-    <para>Before overlay can commence applications must program the
-driver with frame buffer parameters, namely the address and size of
-the frame buffer and the image format, for example RGB 5:6:5. The
-&VIDIOC-G-FBUF; and &VIDIOC-S-FBUF; ioctls are available to get
-and set these parameters, respectively. The
-<constant>VIDIOC_S_FBUF</constant> ioctl is privileged because it
-allows to set up DMA into physical memory, bypassing the memory
-protection mechanisms of the kernel. Only the superuser can change the
-frame buffer address and size. Users are not supposed to run TV
-applications as root or with SUID bit set. A small helper application
-with suitable privileges should query the graphics system and program
-the V4L2 driver at the appropriate time.</para>
-
-    <para>Some devices add the video overlay to the output signal
-of the graphics card. In this case the frame buffer is not modified by
-the video device, and the frame buffer address and pixel format are
-not needed by the driver. The <constant>VIDIOC_S_FBUF</constant> ioctl
-is not privileged. An application can check for this type of device by
-calling the <constant>VIDIOC_G_FBUF</constant> ioctl.</para>
-
-    <para>A driver may support any (or none) of five clipping/blending
-methods:<orderedlist>
-	<listitem>
-	  <para>Chroma-keying displays the overlaid image only where
-pixels in the primary graphics surface assume a certain color.</para>
-	</listitem>
-	<listitem>
-	  <para>A bitmap can be specified where each bit corresponds
-to a pixel in the overlaid image. When the bit is set, the
-corresponding video pixel is displayed, otherwise a pixel of the
-graphics surface.</para>
-	</listitem>
-	<listitem>
-	  <para>A list of clipping rectangles can be specified. In
-these regions <emphasis>no</emphasis> video is displayed, so the
-graphics surface can be seen here.</para>
-	</listitem>
-	<listitem>
-	  <para>The framebuffer has an alpha channel that can be used
-to clip or blend the framebuffer with the video.</para>
-	</listitem>
-	<listitem>
-	  <para>A global alpha value can be specified to blend the
-framebuffer contents with video images.</para>
-	</listitem>
-      </orderedlist></para>
-
-    <para>When simultaneous capturing and overlay is supported and
-the hardware prohibits different image and frame buffer formats, the
-format requested first takes precedence. The attempt to capture
-(&VIDIOC-S-FMT;) or overlay (&VIDIOC-S-FBUF;) may fail with an
-&EBUSY; or return accordingly modified parameters..</para>
-  </section>
-
-  <section>
-    <title>Overlay Window</title>
-
-    <para>The overlaid image is determined by cropping and overlay
-window parameters. The former select an area of the video picture to
-capture, the latter how images are overlaid and clipped. Cropping
-initialization at minimum requires to reset the parameters to
-defaults. An example is given in <xref linkend="crop" />.</para>
-
-    <para>The overlay window is described by a &v4l2-window;. It
-defines the size of the image, its position over the graphics surface
-and the clipping to be applied. To get the current parameters
-applications set the <structfield>type</structfield> field of a
-&v4l2-format; to <constant>V4L2_BUF_TYPE_VIDEO_OVERLAY</constant> and
-call the &VIDIOC-G-FMT; ioctl. The driver fills the
-<structname>v4l2_window</structname> substructure named
-<structfield>win</structfield>. It is not possible to retrieve a
-previously programmed clipping list or bitmap.</para>
-
-    <para>To program the overlay window applications set the
-<structfield>type</structfield> field of a &v4l2-format; to
-<constant>V4L2_BUF_TYPE_VIDEO_OVERLAY</constant>, initialize the
-<structfield>win</structfield> substructure and call the
-&VIDIOC-S-FMT; ioctl. The driver adjusts the parameters against
-hardware limits and returns the actual parameters as
-<constant>VIDIOC_G_FMT</constant> does. Like
-<constant>VIDIOC_S_FMT</constant>, the &VIDIOC-TRY-FMT; ioctl can be
-used to learn about driver capabilities without actually changing
-driver state. Unlike <constant>VIDIOC_S_FMT</constant> this also works
-after the overlay has been enabled.</para>
-
-    <para>The scaling factor of the overlaid image is implied by the
-width and height given in &v4l2-window; and the size of the cropping
-rectangle. For more information see <xref linkend="crop" />.</para>
-
-    <para>When simultaneous capturing and overlay is supported and
-the hardware prohibits different image and window sizes, the size
-requested first takes precedence. The attempt to capture or overlay as
-well (&VIDIOC-S-FMT;) may fail with an &EBUSY; or return accordingly
-modified parameters.</para>
-
-    <table pgwide="1" frame="none" id="v4l2-window">
-      <title>struct <structname>v4l2_window</structname></title>
-      <tgroup cols="3">
-	&cs-str;
-	<tbody valign="top">
-	  <row>
-	    <entry>&v4l2-rect;</entry>
-	    <entry><structfield>w</structfield></entry>
-	    <entry>Size and position of the window relative to the
-top, left corner of the frame buffer defined with &VIDIOC-S-FBUF;. The
-window can extend the frame buffer width and height, the
-<structfield>x</structfield> and <structfield>y</structfield>
-coordinates can be negative, and it can lie completely outside the
-frame buffer. The driver clips the window accordingly, or if that is
-not possible, modifies its size and/or position.</entry>
-	  </row>
-	  <row>
-	    <entry>&v4l2-field;</entry>
-	    <entry><structfield>field</structfield></entry>
-	    <entry>Applications set this field to determine which
-video field shall be overlaid, typically one of
-<constant>V4L2_FIELD_ANY</constant> (0),
-<constant>V4L2_FIELD_TOP</constant>,
-<constant>V4L2_FIELD_BOTTOM</constant> or
-<constant>V4L2_FIELD_INTERLACED</constant>. Drivers may have to choose
-a different field order and return the actual setting here.</entry>
-	    </row>
-	  <row>
-	    <entry>__u32</entry>
-	    <entry><structfield>chromakey</structfield></entry>
-	    <entry>When chroma-keying has been negotiated with
-&VIDIOC-S-FBUF; applications set this field to the desired pixel value
-for the chroma key. The format is the same as the pixel format of the
-framebuffer (&v4l2-framebuffer;
-<structfield>fmt.pixelformat</structfield> field), with bytes in host
-order. E.&nbsp;g. for <link
-linkend="V4L2-PIX-FMT-BGR32"><constant>V4L2_PIX_FMT_BGR24</constant></link>
-the value should be 0xRRGGBB on a little endian, 0xBBGGRR on a big
-endian host.</entry>
-	  </row>
-	  <row>
-	    <entry>&v4l2-clip; *</entry>
-	    <entry><structfield>clips</structfield></entry>
-	    <entry>When chroma-keying has <emphasis>not</emphasis>
-been negotiated and &VIDIOC-G-FBUF; indicated this capability,
-applications can set this field to point to an array of
-clipping rectangles.</entry>
-	  </row>
-	  <row>
-	    <entry></entry>
-	    <entry></entry>
-	    <entry>Like the window coordinates
-<structfield>w</structfield>, clipping rectangles are defined relative
-to the top, left corner of the frame buffer. However clipping
-rectangles must not extend the frame buffer width and height, and they
-must not overlap. If possible applications should merge adjacent
-rectangles. Whether this must create x-y or y-x bands, or the order of
-rectangles, is not defined. When clip lists are not supported the
-driver ignores this field. Its contents after calling &VIDIOC-S-FMT;
-are undefined.</entry>
-	  </row>
-	  <row>
-	    <entry>__u32</entry>
-	    <entry><structfield>clipcount</structfield></entry>
-	    <entry>When the application set the
-<structfield>clips</structfield> field, this field must contain the
-number of clipping rectangles in the list. When clip lists are not
-supported the driver ignores this field, its contents after calling
-<constant>VIDIOC_S_FMT</constant> are undefined. When clip lists are
-supported but no clipping is desired this field must be set to
-zero.</entry>
-	  </row>
-	  <row>
-	    <entry>void *</entry>
-	    <entry><structfield>bitmap</structfield></entry>
-	    <entry>When chroma-keying has
-<emphasis>not</emphasis> been negotiated and &VIDIOC-G-FBUF; indicated
-this capability, applications can set this field to point to a
-clipping bit mask.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="hspan"><para>It must be of the same size
-as the window, <structfield>w.width</structfield> and
-<structfield>w.height</structfield>. Each bit corresponds to a pixel
-in the overlaid image, which is displayed only when the bit is
-<emphasis>set</emphasis>. Pixel coordinates translate to bits like:
-<programlisting>
-((__u8 *) <structfield>bitmap</structfield>)[<structfield>w.width</structfield> * y + x / 8] &amp; (1 &lt;&lt; (x &amp; 7))</programlisting></para><para>where <structfield>0</structfield> &le; x &lt;
-<structfield>w.width</structfield> and <structfield>0</structfield> &le;
-y &lt;<structfield>w.height</structfield>.<footnote>
-		  <para>Should we require
-	      <structfield>w.width</structfield> to be a multiple of
-	      eight?</para>
-		</footnote></para><para>When a clipping
-bit mask is not supported the driver ignores this field, its contents
-after calling &VIDIOC-S-FMT; are undefined. When a bit mask is supported
-but no clipping is desired this field must be set to
-<constant>NULL</constant>.</para><para>Applications need not create a
-clip list or bit mask. When they pass both, or despite negotiating
-chroma-keying, the results are undefined. Regardless of the chosen
-method, the clipping abilities of the hardware may be limited in
-quantity or quality. The results when these limits are exceeded are
-undefined.<footnote>
-		  <para>When the image is written into frame buffer
-memory it will be undesirable if the driver clips out less pixels
-than expected, because the application and graphics system are not
-aware these regions need to be refreshed. The driver should clip out
-more pixels or not write the image at all.</para>
-		</footnote></para></entry>
-	  </row>
-	  <row>
-	    <entry>__u8</entry>
-	    <entry><structfield>global_alpha</structfield></entry>
-	    <entry>The global alpha value used to blend the
-framebuffer with video images, if global alpha blending has been
-negotiated (<constant>V4L2_FBUF_FLAG_GLOBAL_ALPHA</constant>, see
-&VIDIOC-S-FBUF;, <xref linkend="framebuffer-flags" />).</entry>
-	  </row>
-	  <row>
-	    <entry></entry>
-	    <entry></entry>
-	    <entry>Note this field was added in Linux 2.6.23, extending the structure. However
-the <link linkend="vidioc-g-fmt">VIDIOC_G/S/TRY_FMT</link> ioctls,
-which take a pointer to a <link
-linkend="v4l2-format">v4l2_format</link> parent structure with padding
-bytes at the end, are not affected.</entry>
-	  </row>
-	</tbody>
-      </tgroup>
-    </table>
-
-    <table pgwide="1" frame="none" id="v4l2-clip">
-      <title>struct <structname>v4l2_clip</structname><footnote>
-	  <para>The X Window system defines "regions" which are
-vectors of struct BoxRec { short x1, y1, x2, y2; } with width = x2 -
-x1 and height = y2 - y1, so one cannot pass X11 clip lists
-directly.</para>
-	</footnote></title>
-      <tgroup cols="3">
-	&cs-str;
-	<tbody valign="top">
-	  <row>
-	    <entry>&v4l2-rect;</entry>
-	    <entry><structfield>c</structfield></entry>
-	    <entry>Coordinates of the clipping rectangle, relative to
-the top, left corner of the frame buffer. Only window pixels
-<emphasis>outside</emphasis> all clipping rectangles are
-displayed.</entry>
-	  </row>
-	  <row>
-	    <entry>&v4l2-clip; *</entry>
-	    <entry><structfield>next</structfield></entry>
-	    <entry>Pointer to the next clipping rectangle, NULL when
-this is the last rectangle. Drivers ignore this field, it cannot be
-used to pass a linked list of clipping rectangles.</entry>
-	  </row>
-	</tbody>
-      </tgroup>
-    </table>
-
-    <!-- NB for easier reading this table is duplicated
-    in the vidioc-cropcap chapter.-->
-
-    <table pgwide="1" frame="none" id="v4l2-rect">
-      <title>struct <structname>v4l2_rect</structname></title>
-      <tgroup cols="3">
-	&cs-str;
-	<tbody valign="top">
-	  <row>
-	    <entry>__s32</entry>
-	    <entry><structfield>left</structfield></entry>
-	    <entry>Horizontal offset of the top, left corner of the
-rectangle, in pixels.</entry>
-	  </row>
-	  <row>
-	    <entry>__s32</entry>
-	    <entry><structfield>top</structfield></entry>
-	    <entry>Vertical offset of the top, left corner of the
-rectangle, in pixels. Offsets increase to the right and down.</entry>
-	  </row>
-	  <row>
-	    <entry>__u32</entry>
-	    <entry><structfield>width</structfield></entry>
-	    <entry>Width of the rectangle, in pixels.</entry>
-	  </row>
-	  <row>
-	    <entry>__u32</entry>
-	    <entry><structfield>height</structfield></entry>
-	    <entry>Height of the rectangle, in pixels.</entry>
-	  </row>
-	</tbody>
-      </tgroup>
-    </table>
-  </section>
-
-  <section>
-    <title>Enabling Overlay</title>
-
-    <para>To start or stop the frame buffer overlay applications call
-the &VIDIOC-OVERLAY; ioctl.</para>
-  </section>

Documentation/DocBook/media/v4l/dev-radio.xml

@@ -1,49 +0,0 @@
-  <title>Radio Interface</title>
-
-  <para>This interface is intended for AM and FM (analog) radio
-receivers and transmitters.</para>
-
-  <para>Conventionally V4L2 radio devices are accessed through
-character device special files named <filename>/dev/radio</filename>
-and <filename>/dev/radio0</filename> to
-<filename>/dev/radio63</filename> with major number 81 and minor
-numbers 64 to 127.</para>
-
-  <section>
-    <title>Querying Capabilities</title>
-
-    <para>Devices supporting the radio interface set the
-<constant>V4L2_CAP_RADIO</constant> and
-<constant>V4L2_CAP_TUNER</constant> or
-<constant>V4L2_CAP_MODULATOR</constant> flag in the
-<structfield>capabilities</structfield> field of &v4l2-capability;
-returned by the &VIDIOC-QUERYCAP; ioctl. Other combinations of
-capability flags are reserved for future extensions.</para>
-  </section>
-
-  <section>
-    <title>Supplemental Functions</title>
-
-    <para>Radio devices can support <link
-linkend="control">controls</link>, and must support the <link
-linkend="tuner">tuner or modulator</link> ioctls.</para>
-
-    <para>They do not support the video input or output, audio input
-or output, video standard, cropping and scaling, compression and
-streaming parameter, or overlay ioctls. All other ioctls and I/O
-methods are reserved for future extensions.</para>
-  </section>
-
-  <section>
-    <title>Programming</title>
-
-    <para>Radio devices may have a couple audio controls (as discussed
-in <xref linkend="control" />) such as a volume control, possibly custom
-controls. Further all radio devices have one tuner or modulator (these are
-discussed in <xref linkend="tuner" />) with index number zero to select
-the radio frequency and to determine if a monaural or FM stereo
-program is received/emitted. Drivers switch automatically between AM and FM
-depending on the selected frequency. The &VIDIOC-G-TUNER; or
-&VIDIOC-G-MODULATOR; ioctl
-reports the supported frequency range.</para>
-  </section>

Documentation/DocBook/media/v4l/dev-raw-vbi.xml

@@ -1,345 +0,0 @@
-  <title>Raw VBI Data Interface</title>
-
-  <para>VBI is an abbreviation of Vertical Blanking Interval, a gap
-in the sequence of lines of an analog video signal. During VBI
-no picture information is transmitted, allowing some time while the
-electron beam of a cathode ray tube TV returns to the top of the
-screen. Using an oscilloscope you will find here the vertical
-synchronization pulses and short data packages ASK
-modulated<footnote><para>ASK: Amplitude-Shift Keying. A high signal
-level represents a '1' bit, a low level a '0' bit.</para></footnote>
-onto the video signal. These are transmissions of services such as
-Teletext or Closed Caption.</para>
-
-  <para>Subject of this interface type is raw VBI data, as sampled off
-a video signal, or to be added to a signal for output.
-The data format is similar to uncompressed video images, a number of
-lines times a number of samples per line, we call this a VBI image.</para>
-
-  <para>Conventionally V4L2 VBI devices are accessed through character
-device special files named <filename>/dev/vbi</filename> and
-<filename>/dev/vbi0</filename> to <filename>/dev/vbi31</filename> with
-major number 81 and minor numbers 224 to 255.
-<filename>/dev/vbi</filename> is typically a symbolic link to the
-preferred VBI device. This convention applies to both input and output
-devices.</para>
-
-  <para>To address the problems of finding related video and VBI
-devices VBI capturing and output is also available as device function
-under <filename>/dev/video</filename>. To capture or output raw VBI
-data with these devices applications must call the &VIDIOC-S-FMT;
-ioctl. Accessed as <filename>/dev/vbi</filename>, raw VBI capturing
-or output is the default device function.</para>
-
-    <section>
-      <title>Querying Capabilities</title>
-
-      <para>Devices supporting the raw VBI capturing or output API set
-the <constant>V4L2_CAP_VBI_CAPTURE</constant> or
-<constant>V4L2_CAP_VBI_OUTPUT</constant> flags, respectively, in the
-<structfield>capabilities</structfield> field of &v4l2-capability;
-returned by the &VIDIOC-QUERYCAP; ioctl. At least one of the
-read/write, streaming or asynchronous I/O methods must be
-supported. VBI devices may or may not have a tuner or modulator.</para>
-    </section>
-
-    <section>
-      <title>Supplemental Functions</title>
-
-      <para>VBI devices shall support <link linkend="video">video
-input or output</link>, <link linkend="tuner">tuner or
-modulator</link>, and <link linkend="control">controls</link> ioctls
-as needed. The <link linkend="standard">video standard</link> ioctls provide
-information vital to program a VBI device, therefore must be
-supported.</para>
-    </section>
-
-    <section>
-      <title>Raw VBI Format Negotiation</title>
-
-      <para>Raw VBI sampling abilities can vary, in particular the
-sampling frequency. To properly interpret the data V4L2 specifies an
-ioctl to query the sampling parameters. Moreover, to allow for some
-flexibility applications can also suggest different parameters.</para>
-
-      <para>As usual these parameters are <emphasis>not</emphasis>
-reset at &func-open; time to permit Unix tool chains, programming a
-device and then reading from it as if it was a plain file. Well
-written V4L2 applications should always ensure they really get what
-they want, requesting reasonable parameters and then checking if the
-actual parameters are suitable.</para>
-
-      <para>To query the current raw VBI capture parameters
-applications set the <structfield>type</structfield> field of a
-&v4l2-format; to <constant>V4L2_BUF_TYPE_VBI_CAPTURE</constant> or
-<constant>V4L2_BUF_TYPE_VBI_OUTPUT</constant>, and call the
-&VIDIOC-G-FMT; ioctl with a pointer to this structure. Drivers fill
-the &v4l2-vbi-format; <structfield>vbi</structfield> member of the
-<structfield>fmt</structfield> union.</para>
-
-      <para>To request different parameters applications set the
-<structfield>type</structfield> field of a &v4l2-format; as above and
-initialize all fields of the &v4l2-vbi-format;
-<structfield>vbi</structfield> member of the
-<structfield>fmt</structfield> union, or better just modify the
-results of <constant>VIDIOC_G_FMT</constant>, and call the
-&VIDIOC-S-FMT; ioctl with a pointer to this structure. Drivers return
-an &EINVAL; only when the given parameters are ambiguous, otherwise
-they modify the parameters according to the hardware capabilities and
-return the actual parameters. When the driver allocates resources at
-this point, it may return an &EBUSY; to indicate the returned
-parameters are valid but the required resources are currently not
-available. That may happen for instance when the video and VBI areas
-to capture would overlap, or when the driver supports multiple opens
-and another process already requested VBI capturing or output. Anyway,
-applications must expect other resource allocation points which may
-return <errorcode>EBUSY</errorcode>, at the &VIDIOC-STREAMON; ioctl
-and the first read(), write() and select() call.</para>
-
-      <para>VBI devices must implement both the
-<constant>VIDIOC_G_FMT</constant> and
-<constant>VIDIOC_S_FMT</constant> ioctl, even if
-<constant>VIDIOC_S_FMT</constant> ignores all requests and always
-returns default parameters as <constant>VIDIOC_G_FMT</constant> does.
-<constant>VIDIOC_TRY_FMT</constant> is optional.</para>
-
-      <table pgwide="1" frame="none" id="v4l2-vbi-format">
-	<title>struct <structname>v4l2_vbi_format</structname></title>
-	<tgroup cols="3">
-	  &cs-str;
-	  <tbody valign="top">
-	    <row>
-	      <entry>__u32</entry>
-	      <entry><structfield>sampling_rate</structfield></entry>
-	      <entry>Samples per second, i.&nbsp;e. unit 1 Hz.</entry>
-	    </row>
-	    <row>
-	      <entry>__u32</entry>
-	      <entry><structfield>offset</structfield></entry>
-	      <entry><para>Horizontal offset of the VBI image,
-relative to the leading edge of the line synchronization pulse and
-counted in samples: The first sample in the VBI image will be located
-<structfield>offset</structfield> /
-<structfield>sampling_rate</structfield> seconds following the leading
-edge. See also <xref linkend="vbi-hsync" />.</para></entry>
-	    </row>
-	    <row>
-	      <entry>__u32</entry>
-	      <entry><structfield>samples_per_line</structfield></entry>
-	      <entry></entry>
-	    </row>
-	    <row>
-	      <entry>__u32</entry>
-	      <entry><structfield>sample_format</structfield></entry>
-	      <entry><para>Defines the sample format as in <xref
-linkend="pixfmt" />, a four-character-code.<footnote>
-		    <para>A few devices may be unable to
-sample VBI data at all but can extend the video capture window to the
-VBI region.</para>
-		  </footnote> Usually this is
-<constant>V4L2_PIX_FMT_GREY</constant>, i.&nbsp;e. each sample
-consists of 8 bits with lower values oriented towards the black level.
-Do not assume any other correlation of values with the signal level.
-For example, the MSB does not necessarily indicate if the signal is
-'high' or 'low' because 128 may not be the mean value of the
-signal. Drivers shall not convert the sample format by software.</para></entry>
-	    </row>
-	    <row>
-	      <entry>__u32</entry>
-	      <entry><structfield>start</structfield>[2]</entry>
-	      <entry>This is the scanning system line number
-associated with the first line of the VBI image, of the first and the
-second field respectively. See <xref linkend="vbi-525" /> and
-<xref linkend="vbi-625" /> for valid values.
-The <constant>V4L2_VBI_ITU_525_F1_START</constant>,
-<constant>V4L2_VBI_ITU_525_F2_START</constant>,
-<constant>V4L2_VBI_ITU_625_F1_START</constant> and
-<constant>V4L2_VBI_ITU_625_F2_START</constant> defines give the start line
-numbers for each field for each 525 or 625 line format as a convenience.
-Don't forget that ITU line numbering starts at 1, not 0.
-VBI input drivers can return start values 0 if the hardware cannot
-reliable identify scanning lines, VBI acquisition may not require this
-information.</entry>
-	    </row>
-	    <row>
-	      <entry>__u32</entry>
-	      <entry><structfield>count</structfield>[2]</entry>
-	      <entry>The number of lines in the first and second
-field image, respectively.</entry>
-	  </row>
-	  <row>
-	    <entry spanname="hspan"><para>Drivers should be as
-flexibility as possible. For example, it may be possible to extend or
-move the VBI capture window down to the picture area, implementing a
-'full field mode' to capture data service transmissions embedded in
-the picture.</para><para>An application can set the first or second
-<structfield>count</structfield> value to zero if no data is required
-from the respective field; <structfield>count</structfield>[1] if the
-scanning system is progressive, &ie; not interlaced. The
-corresponding start value shall be ignored by the application and
-driver. Anyway, drivers may not support single field capturing and
-return both count values non-zero.</para><para>Both
-<structfield>count</structfield> values set to zero, or line numbers
-outside the bounds depicted in <xref linkend="vbi-525" /> and <xref
-		    linkend="vbi-625" />, or a field image covering
-lines of two fields, are invalid and shall not be returned by the
-driver.</para><para>To initialize the <structfield>start</structfield>
-and <structfield>count</structfield> fields, applications must first
-determine the current video standard selection. The &v4l2-std-id; or
-the <structfield>framelines</structfield> field of &v4l2-standard; can
-be evaluated for this purpose.</para></entry>
-	    </row>
-	    <row>
-	      <entry>__u32</entry>
-	      <entry><structfield>flags</structfield></entry>
-	      <entry>See <xref linkend="vbifmt-flags" /> below. Currently
-only drivers set flags, applications must set this field to
-zero.</entry>
-	    </row>
-	    <row>
-	      <entry>__u32</entry>
-	      <entry><structfield>reserved</structfield>[2]</entry>
-	      <entry>This array is reserved for future extensions.
-Drivers and applications must set it to zero.</entry>
-	    </row>
-	  </tbody>
-	</tgroup>
-      </table>
-
-      <table pgwide="1" frame="none" id="vbifmt-flags">
-	<title>Raw VBI Format Flags</title>
-	<tgroup cols="3">
-	  &cs-def;
-	  <tbody valign="top">
-	    <row>
-	      <entry><constant>V4L2_VBI_UNSYNC</constant></entry>
-	      <entry>0x0001</entry>
-	      <entry><para>This flag indicates hardware which does not
-properly distinguish between fields. Normally the VBI image stores the
-first field (lower scanning line numbers) first in memory. This may be
-a top or bottom field depending on the video standard. When this flag
-is set the first or second field may be stored first, however the
-fields are still in correct temporal order with the older field first
-in memory.<footnote>
-		  <para>Most VBI services transmit on both fields, but
-some have different semantics depending on the field number. These
-cannot be reliable decoded or encoded when
-<constant>V4L2_VBI_UNSYNC</constant> is set.</para>
-		</footnote></para></entry>
-	    </row>
-	    <row>
-	      <entry><constant>V4L2_VBI_INTERLACED</constant></entry>
-	      <entry>0x0002</entry>
-	      <entry>By default the two field images will be passed
-sequentially; all lines of the first field followed by all lines of
-the second field (compare <xref linkend="field-order" />
-<constant>V4L2_FIELD_SEQ_TB</constant> and
-<constant>V4L2_FIELD_SEQ_BT</constant>, whether the top or bottom
-field is first in memory depends on the video standard). When this
-flag is set, the two fields are interlaced (cf.
-<constant>V4L2_FIELD_INTERLACED</constant>). The first line of the
-first field followed by the first line of the second field, then the
-two second lines, and so on. Such a layout may be necessary when the
-hardware has been programmed to capture or output interlaced video
-images and is unable to separate the fields for VBI capturing at
-the same time. For simplicity setting this flag implies that both
-<structfield>count</structfield> values are equal and non-zero.</entry>
-	    </row>
-	  </tbody>
-	</tgroup>
-      </table>
-
-      <figure id="vbi-hsync">
-	<title>Line synchronization</title>
-	<mediaobject>
-	  <imageobject>
-	    <imagedata fileref="vbi_hsync.pdf" format="PS" />
-	  </imageobject>
-	  <imageobject>
-	    <imagedata fileref="vbi_hsync.gif" format="GIF" />
-	  </imageobject>
-	  <textobject>
-	    <phrase>Line synchronization diagram</phrase>
-	  </textobject>
-	</mediaobject>
-      </figure>
-
-      <figure id="vbi-525">
-	<title>ITU-R 525 line numbering (M/NTSC and M/PAL)</title>
-	<mediaobject>
-	  <imageobject>
-	    <imagedata fileref="vbi_525.pdf" format="PS" />
-	  </imageobject>
-	  <imageobject>
-	    <imagedata fileref="vbi_525.gif" format="GIF" />
-	  </imageobject>
-	  <textobject>
-	    <phrase>NTSC field synchronization diagram</phrase>
-	  </textobject>
-	  <caption>
-	    <para>(1) For the purpose of this specification field 2
-starts in line 264 and not 263.5 because half line capturing is not
-supported.</para>
-	  </caption>
-	</mediaobject>
-      </figure>
-
-      <figure id="vbi-625">
-	<title>ITU-R 625 line numbering</title>
-	<mediaobject>
-	  <imageobject>
-	    <imagedata fileref="vbi_625.pdf" format="PS" />
-	  </imageobject>
-	  <imageobject>
-	    <imagedata fileref="vbi_625.gif" format="GIF" />
-	  </imageobject>
-	  <textobject>
-	    <phrase>PAL/SECAM field synchronization diagram</phrase>
-	  </textobject>
-	  <caption>
-	    <para>(1) For the purpose of this specification field 2
-starts in line 314 and not 313.5 because half line capturing is not
-supported.</para>
-	  </caption>
-	</mediaobject>
-      </figure>
-
-      <para>Remember the VBI image format depends on the selected
-video standard, therefore the application must choose a new standard or
-query the current standard first. Attempts to read or write data ahead
-of format negotiation, or after switching the video standard which may
-invalidate the negotiated VBI parameters, should be refused by the
-driver. A format change during active I/O is not permitted.</para>
-    </section>
-
-    <section>
-      <title>Reading and writing VBI images</title>
-
-      <para>To assure synchronization with the field number and easier
-implementation, the smallest unit of data passed at a time is one
-frame, consisting of two fields of VBI images immediately following in
-memory.</para>
-
-      <para>The total size of a frame computes as follows:</para>
-
-      <programlisting>
-(<structfield>count</structfield>[0] + <structfield>count</structfield>[1]) *
-<structfield>samples_per_line</structfield> * sample size in bytes</programlisting>
-
-      <para>The sample size is most likely always one byte,
-applications must check the <structfield>sample_format</structfield>
-field though, to function properly with other drivers.</para>
-
-      <para>A VBI device may support <link
-      linkend="rw">read/write</link> and/or streaming (<link
-      linkend="mmap">memory mapping</link> or <link
-      linkend="userp">user pointer</link>) I/O. The latter bears the
-possibility of synchronizing video and
-VBI data by using buffer timestamps.</para>
-
-      <para>Remember the &VIDIOC-STREAMON; ioctl and the first read(),
-write() and select() call can be resource allocation points returning
-an &EBUSY; if the required hardware resources are temporarily
-unavailable, for example the device is already in use by another
-process.</para>
-  </section>

Documentation/DocBook/media/v4l/dev-rds.xml

@@ -1,196 +0,0 @@
-     <title>RDS Interface</title>
-
-      <para>The Radio Data System transmits supplementary
-information in binary format, for example the station name or travel
-information, on an inaudible audio subcarrier of a radio program. This
-interface is aimed at devices capable of receiving and/or transmitting RDS
-information.</para>
-
-      <para>For more information see the core RDS standard <xref linkend="iec62106" />
-and the RBDS standard <xref linkend="nrsc4" />.</para>
-
-      <para>Note that the RBDS standard as is used in the USA is almost identical
-to the RDS standard. Any RDS decoder/encoder can also handle RBDS. Only some of the
-fields have slightly different meanings. See the RBDS standard for more
-information.</para>
-
-      <para>The RBDS standard also specifies support for MMBS (Modified Mobile Search).
-This is a proprietary format which seems to be discontinued. The RDS interface does not
-support this format. Should support for MMBS (or the so-called 'E blocks' in general)
-be needed, then please contact the linux-media mailing list: &v4l-ml;.</para>
-
-  <section>
-    <title>Querying Capabilities</title>
-
-    <para>Devices supporting the RDS capturing API set
-the <constant>V4L2_CAP_RDS_CAPTURE</constant> flag in
-the <structfield>capabilities</structfield> field of &v4l2-capability;
-returned by the &VIDIOC-QUERYCAP; ioctl.  Any tuner that supports RDS
-will set the <constant>V4L2_TUNER_CAP_RDS</constant> flag in
-the <structfield>capability</structfield> field of &v4l2-tuner;.  If
-the driver only passes RDS blocks without interpreting the data
-the <constant>V4L2_TUNER_CAP_RDS_BLOCK_IO</constant> flag has to be
-set, see <link linkend="reading-rds-data">Reading RDS data</link>.
-For future use the
-flag <constant>V4L2_TUNER_CAP_RDS_CONTROLS</constant> has also been
-defined. However, a driver for a radio tuner with this capability does
-not yet exist, so if you are planning to write such a driver you
-should discuss this on the linux-media mailing list: &v4l-ml;.</para>
-
-    <para> Whether an RDS signal is present can be detected by looking
-at the <structfield>rxsubchans</structfield> field of &v4l2-tuner;:
-the <constant>V4L2_TUNER_SUB_RDS</constant> will be set if RDS data
-was detected.</para>
-
-    <para>Devices supporting the RDS output API
-set the <constant>V4L2_CAP_RDS_OUTPUT</constant> flag in
-the <structfield>capabilities</structfield> field of &v4l2-capability;
-returned by the &VIDIOC-QUERYCAP; ioctl.
-Any modulator that supports RDS will set the
-<constant>V4L2_TUNER_CAP_RDS</constant> flag in the <structfield>capability</structfield>
-field of &v4l2-modulator;.
-In order to enable the RDS transmission one must set the <constant>V4L2_TUNER_SUB_RDS</constant>
-bit in the <structfield>txsubchans</structfield> field of &v4l2-modulator;.
-If the driver only passes RDS blocks without interpreting the data
-the <constant>V4L2_TUNER_CAP_RDS_BLOCK_IO</constant> flag has to be set. If the
-tuner is capable of handling RDS entities like program identification codes and radio
-text, the flag <constant>V4L2_TUNER_CAP_RDS_CONTROLS</constant> should be set,
-see <link linkend="writing-rds-data">Writing RDS data</link> and
-<link linkend="fm-tx-controls">FM Transmitter Control Reference</link>.</para>
-  </section>
-
-  <section  id="reading-rds-data">
-    <title>Reading RDS data</title>
-
-      <para>RDS data can be read from the radio device
-with the &func-read; function. The data is packed in groups of three bytes.</para>
-  </section>
-
-  <section  id="writing-rds-data">
-    <title>Writing RDS data</title>
-
-      <para>RDS data can be written to the radio device
-with the &func-write; function. The data is packed in groups of three bytes,
-as follows:</para>
-  </section>
-
-  <section>
-    <title>RDS datastructures</title>
-    <table frame="none" pgwide="1" id="v4l2-rds-data">
-      <title>struct
-<structname>v4l2_rds_data</structname></title>
-      <tgroup cols="3">
-	<colspec colname="c1" colwidth="1*" />
-	<colspec colname="c2" colwidth="1*" />
-	<colspec colname="c3" colwidth="5*" />
-	<tbody valign="top">
-	  <row>
-	    <entry>__u8</entry>
-	    <entry><structfield>lsb</structfield></entry>
-	    <entry>Least Significant Byte of RDS Block</entry>
-	  </row>
-	  <row>
-	    <entry>__u8</entry>
-	    <entry><structfield>msb</structfield></entry>
-	    <entry>Most Significant Byte of RDS Block</entry>
-	  </row>
-	  <row>
-	    <entry>__u8</entry>
-	    <entry><structfield>block</structfield></entry>
-	    <entry>Block description</entry>
-	  </row>
-	</tbody>
-      </tgroup>
-    </table>
-    <table frame="none" pgwide="1" id="v4l2-rds-block">
-      <title>Block description</title>
-      <tgroup cols="2">
-	<colspec colname="c1" colwidth="1*" />
-	<colspec colname="c2" colwidth="5*" />
-	<tbody valign="top">
-	  <row>
-	    <entry>Bits 0-2</entry>
-	    <entry>Block (aka offset) of the received data.</entry>
-	  </row>
-	  <row>
-	    <entry>Bits 3-5</entry>
-	    <entry>Deprecated. Currently identical to bits 0-2. Do not use these bits.</entry>
-	  </row>
-	  <row>
-	    <entry>Bit 6</entry>
-	    <entry>Corrected bit. Indicates that an error was corrected for this data block.</entry>
-	  </row>
-	  <row>
-	    <entry>Bit 7</entry>
-	    <entry>Error bit. Indicates that an uncorrectable error occurred during reception of this block.</entry>
-	  </row>
-	</tbody>
-      </tgroup>
-    </table>
-
-    <table frame="none" pgwide="1" id="v4l2-rds-block-codes">
-      <title>Block defines</title>
-      <tgroup cols="4">
-	<colspec colname="c1" colwidth="1*" />
-	<colspec colname="c2" colwidth="1*" />
-	<colspec colname="c3" colwidth="1*" />
-	<colspec colname="c4" colwidth="5*" />
-	<tbody valign="top">
-	  <row>
-	    <entry>V4L2_RDS_BLOCK_MSK</entry>
-	    <entry> </entry>
-	    <entry>7</entry>
-	    <entry>Mask for bits 0-2 to get the block ID.</entry>
-	  </row>
-	  <row>
-	    <entry>V4L2_RDS_BLOCK_A</entry>
-	    <entry> </entry>
-	    <entry>0</entry>
-	    <entry>Block A.</entry>
-	  </row>
-	  <row>
-	    <entry>V4L2_RDS_BLOCK_B</entry>
-	    <entry> </entry>
-	    <entry>1</entry>
-	    <entry>Block B.</entry>
-	  </row>
-	  <row>
-	    <entry>V4L2_RDS_BLOCK_C</entry>
-	    <entry> </entry>
-	    <entry>2</entry>
-	    <entry>Block C.</entry>
-	  </row>
-	  <row>
-	    <entry>V4L2_RDS_BLOCK_D</entry>
-	    <entry> </entry>
-	    <entry>3</entry>
-	    <entry>Block D.</entry>
-	  </row>
-	  <row>
-	    <entry>V4L2_RDS_BLOCK_C_ALT</entry>
-	    <entry> </entry>
-	    <entry>4</entry>
-	    <entry>Block C'.</entry>
-	  </row>
-	  <row>
-	    <entry>V4L2_RDS_BLOCK_INVALID</entry>
-	    <entry>read-only</entry>
-	    <entry>7</entry>
-	    <entry>An invalid block.</entry>
-	  </row>
-	  <row>
-	    <entry>V4L2_RDS_BLOCK_CORRECTED</entry>
-	    <entry>read-only</entry>
-	    <entry>0x40</entry>
-	    <entry>A bit error was detected but corrected.</entry>
-	  </row>
-	  <row>
-	    <entry>V4L2_RDS_BLOCK_ERROR</entry>
-	    <entry>read-only</entry>
-	    <entry>0x80</entry>
-	    <entry>An uncorrectable error occurred.</entry>
-	  </row>
-	</tbody>
-      </tgroup>
-    </table>
-  </section>

Documentation/DocBook/media/v4l/dev-sdr.xml

@@ -1,126 +0,0 @@
-  <title>Software Defined Radio Interface (SDR)</title>
-
-  <para>
-SDR is an abbreviation of Software Defined Radio, the radio device
-which uses application software for modulation or demodulation. This interface
-is intended for controlling and data streaming of such devices.
-  </para>
-
-  <para>
-SDR devices are accessed through character device special files named
-<filename>/dev/swradio0</filename> to <filename>/dev/swradio255</filename>
-with major number 81 and dynamically allocated minor numbers 0 to 255.
-  </para>
-
-  <section>
-    <title>Querying Capabilities</title>
-
-    <para>
-Devices supporting the SDR receiver interface set the
-<constant>V4L2_CAP_SDR_CAPTURE</constant> and
-<constant>V4L2_CAP_TUNER</constant> flag in the
-<structfield>capabilities</structfield> field of &v4l2-capability;
-returned by the &VIDIOC-QUERYCAP; ioctl. That flag means the device has an
-Analog to Digital Converter (ADC), which is a mandatory element for the SDR receiver.
-    </para>
-    <para>
-Devices supporting the SDR transmitter interface set the
-<constant>V4L2_CAP_SDR_OUTPUT</constant> and
-<constant>V4L2_CAP_MODULATOR</constant> flag in the
-<structfield>capabilities</structfield> field of &v4l2-capability;
-returned by the &VIDIOC-QUERYCAP; ioctl. That flag means the device has an
-Digital to Analog Converter (DAC), which is a mandatory element for the SDR transmitter.
-    </para>
-    <para>
-At least one of the read/write, streaming or asynchronous I/O methods must
-be supported.
-    </para>
-  </section>
-
-  <section>
-    <title>Supplemental Functions</title>
-
-    <para>
-SDR devices can support <link linkend="control">controls</link>, and must
-support the <link linkend="tuner">tuner</link> ioctls. Tuner ioctls are used
-for setting the ADC/DAC sampling rate (sampling frequency) and the possible
-radio frequency (RF).
-    </para>
-
-    <para>
-The <constant>V4L2_TUNER_SDR</constant> tuner type is used for setting SDR
-device ADC/DAC frequency, and the <constant>V4L2_TUNER_RF</constant>
-tuner type is used for setting radio frequency.
-The tuner index of the RF tuner (if any) must always follow the SDR tuner index.
-Normally the SDR tuner is #0 and the RF tuner is #1.
-    </para>
-
-    <para>
-The &VIDIOC-S-HW-FREQ-SEEK; ioctl is not supported.
-    </para>
-  </section>
-
-  <section>
-    <title>Data Format Negotiation</title>
-
-    <para>
-The SDR device uses the <link linkend="format">format</link> ioctls to
-select the capture and output format. Both the sampling resolution and the data
-streaming format are bound to that selectable format. In addition to the basic
-<link linkend="format">format</link> ioctls, the &VIDIOC-ENUM-FMT; ioctl
-must be supported as well.
-    </para>
-
-    <para>
-To use the <link linkend="format">format</link> ioctls applications set the
-<structfield>type</structfield> field of a &v4l2-format; to
-<constant>V4L2_BUF_TYPE_SDR_CAPTURE</constant> or
-<constant>V4L2_BUF_TYPE_SDR_OUTPUT</constant> and use the &v4l2-sdr-format;
-<structfield>sdr</structfield> member of the <structfield>fmt</structfield>
-union as needed per the desired operation.
-Currently there is two fields, <structfield>pixelformat</structfield> and
-<structfield>buffersize</structfield>, of struct &v4l2-sdr-format; which are
-used. Content of the <structfield>pixelformat</structfield> is V4L2 FourCC
-code of the data format. The <structfield>buffersize</structfield> field is
-maximum buffer size in bytes required for data transfer, set by the driver in
-order to inform application.
-    </para>
-
-    <table pgwide="1" frame="none" id="v4l2-sdr-format">
-      <title>struct <structname>v4l2_sdr_format</structname></title>
-      <tgroup cols="3">
-        &cs-str;
-        <tbody valign="top">
-          <row>
-            <entry>__u32</entry>
-            <entry><structfield>pixelformat</structfield></entry>
-            <entry>
-The data format or type of compression, set by the application. This is a
-little endian <link linkend="v4l2-fourcc">four character code</link>.
-V4L2 defines SDR formats in <xref linkend="sdr-formats" />.
-           </entry>
-          </row>
-          <row>
-            <entry>__u32</entry>
-            <entry><structfield>buffersize</structfield></entry>
-            <entry>
-Maximum size in bytes required for data. Value is set by the driver.
-           </entry>
-          </row>
-          <row>
-            <entry>__u8</entry>
-            <entry><structfield>reserved[24]</structfield></entry>
-            <entry>This array is reserved for future extensions.
-Drivers and applications must set it to zero.</entry>
-          </row>
-        </tbody>
-      </tgroup>
-    </table>
-
-    <para>
-An SDR device may support <link linkend="rw">read/write</link>
-and/or streaming (<link linkend="mmap">memory mapping</link>
-or <link linkend="userp">user pointer</link>) I/O.
-    </para>
-
-  </section>

Documentation/DocBook/media/v4l/dev-sliced-vbi.xml

@@ -1,706 +0,0 @@
-  <title>Sliced VBI Data Interface</title>
-
-  <para>VBI stands for Vertical Blanking Interval, a gap in the
-sequence of lines of an analog video signal. During VBI no picture
-information is transmitted, allowing some time while the electron beam
-of a cathode ray tube TV returns to the top of the screen.</para>
-
-  <para>Sliced VBI devices use hardware to demodulate data transmitted
-in the VBI. V4L2 drivers shall <emphasis>not</emphasis> do this by
-software, see also the <link linkend="raw-vbi">raw VBI
-interface</link>. The data is passed as short packets of fixed size,
-covering one scan line each. The number of packets per video frame is
-variable.</para>
-
-  <para>Sliced VBI capture and output devices are accessed through the
-same character special files as raw VBI devices. When a driver
-supports both interfaces, the default function of a
-<filename>/dev/vbi</filename> device is <emphasis>raw</emphasis> VBI
-capturing or output, and the sliced VBI function is only available
-after calling the &VIDIOC-S-FMT; ioctl as defined below. Likewise a
-<filename>/dev/video</filename> device may support the sliced VBI API,
-however the default function here is video capturing or output.
-Different file descriptors must be used to pass raw and sliced VBI
-data simultaneously, if this is supported by the driver.</para>
-
-  <section>
-    <title>Querying Capabilities</title>
-
-    <para>Devices supporting the sliced VBI capturing or output API
-set the <constant>V4L2_CAP_SLICED_VBI_CAPTURE</constant> or
-<constant>V4L2_CAP_SLICED_VBI_OUTPUT</constant> flag respectively, in
-the <structfield>capabilities</structfield> field of &v4l2-capability;
-returned by the &VIDIOC-QUERYCAP; ioctl. At least one of the
-read/write, streaming or asynchronous <link linkend="io">I/O
-methods</link> must be supported. Sliced VBI devices may have a tuner
-or modulator.</para>
-  </section>
-
-  <section>
-    <title>Supplemental Functions</title>
-
-    <para>Sliced VBI devices shall support <link linkend="video">video
-input or output</link> and <link linkend="tuner">tuner or
-modulator</link> ioctls if they have these capabilities, and they may
-support <link linkend="control">control</link> ioctls. The <link
-linkend="standard">video standard</link> ioctls provide information
-vital to program a sliced VBI device, therefore must be
-supported.</para>
-  </section>
-
-  <section id="sliced-vbi-format-negotitation">
-    <title>Sliced VBI Format Negotiation</title>
-
-    <para>To find out which data services are supported by the
-hardware applications can call the &VIDIOC-G-SLICED-VBI-CAP; ioctl.
-All drivers implementing the sliced VBI interface must support this
-ioctl. The results may differ from those of the &VIDIOC-S-FMT; ioctl
-when the number of VBI lines the hardware can capture or output per
-frame, or the number of services it can identify on a given line are
-limited. For example on PAL line 16 the hardware may be able to look
-for a VPS or Teletext signal, but not both at the same time.</para>
-
-    <para>To determine the currently selected services applications
-set the <structfield>type </structfield> field of &v4l2-format; to
-<constant> V4L2_BUF_TYPE_SLICED_VBI_CAPTURE</constant> or <constant>
-V4L2_BUF_TYPE_SLICED_VBI_OUTPUT</constant>, and the &VIDIOC-G-FMT;
-ioctl fills the <structfield>fmt.sliced</structfield> member, a
-&v4l2-sliced-vbi-format;.</para>
-
-    <para>Applications can request different parameters by
-initializing or modifying the <structfield>fmt.sliced</structfield>
-member and calling the &VIDIOC-S-FMT; ioctl with a pointer to the
-<structname>v4l2_format</structname> structure.</para>
-
-    <para>The sliced VBI API is more complicated than the raw VBI API
-because the hardware must be told which VBI service to expect on each
-scan line. Not all services may be supported by the hardware on all
-lines (this is especially true for VBI output where Teletext is often
-unsupported and other services can only be inserted in one specific
-line). In many cases, however, it is sufficient to just set the
-<structfield>service_set</structfield> field to the required services
-and let the driver fill the <structfield>service_lines</structfield>
-array according to hardware capabilities. Only if more precise control
-is needed should the programmer set the
-<structfield>service_lines</structfield> array explicitly.</para>
-
-    <para>The &VIDIOC-S-FMT; ioctl modifies the parameters
-according to hardware capabilities. When the driver allocates
-resources at this point, it may return an &EBUSY; if the required
-resources are temporarily unavailable. Other resource allocation
-points which may return <errorcode>EBUSY</errorcode> can be the
-&VIDIOC-STREAMON; ioctl and the first &func-read;, &func-write; and
-&func-select; call.</para>
-
-    <table frame="none" pgwide="1" id="v4l2-sliced-vbi-format">
-      <title>struct
-<structname>v4l2_sliced_vbi_format</structname></title>
-      <tgroup cols="5">
-	<colspec colname="c1" colwidth="3*" />
-	<colspec colname="c2" colwidth="3*" />
-	<colspec colname="c3" colwidth="2*" />
-	<colspec colname="c4" colwidth="2*" />
-	<colspec colname="c5" colwidth="2*" />
-	<spanspec namest="c3" nameend="c5" spanname="hspan" />
-	<tbody valign="top">
-	  <row>
-	    <entry>__u32</entry>
-	    <entry><structfield>service_set</structfield></entry>
-	    <entry spanname="hspan"><para>If
-<structfield>service_set</structfield> is non-zero when passed with
-&VIDIOC-S-FMT; or &VIDIOC-TRY-FMT;, the
-<structfield>service_lines</structfield> array will be filled by the
-driver according to the services specified in this field. For example,
-if <structfield>service_set</structfield> is initialized with
-<constant>V4L2_SLICED_TELETEXT_B | V4L2_SLICED_WSS_625</constant>, a
-driver for the cx25840 video decoder sets lines 7-22 of both
-fields<footnote><para>According to <link
-linkend="ets300706">ETS&nbsp;300&nbsp;706</link> lines 6-22 of the
-first field and lines 5-22 of the second field may carry Teletext
-data.</para></footnote> to <constant>V4L2_SLICED_TELETEXT_B</constant>
-and line 23 of the first field to
-<constant>V4L2_SLICED_WSS_625</constant>. If
-<structfield>service_set</structfield> is set to zero, then the values
-of <structfield>service_lines</structfield> will be used instead.
-</para><para>On return the driver sets this field to the union of all
-elements of the returned <structfield>service_lines</structfield>
-array. It may contain less services than requested, perhaps just one,
-if the hardware cannot handle more services simultaneously. It may be
-empty (zero) if none of the requested services are supported by the
-hardware.</para></entry>
-	  </row>
-	  <row>
-	    <entry>__u16</entry>
-	    <entry><structfield>service_lines</structfield>[2][24]</entry>
-	    <entry spanname="hspan"><para>Applications initialize this
-array with sets of data services the driver shall look for or insert
-on the respective scan line. Subject to hardware capabilities drivers
-return the requested set, a subset, which may be just a single
-service, or an empty set. When the hardware cannot handle multiple
-services on the same line the driver shall choose one. No assumptions
-can be made on which service the driver chooses.</para><para>Data
-services are defined in <xref linkend="vbi-services2" />. Array indices
-map to ITU-R line numbers (see also <xref linkend="vbi-525" /> and <xref
-		  linkend="vbi-625" />) as follows: <!-- No nested
-tables, sigh. --></para></entry>
-	  </row>
-	  <row>
-	    <entry></entry>
-	    <entry></entry>
-	    <entry>Element</entry>
-	    <entry>525 line systems</entry>
-	    <entry>625 line systems</entry>
-	  </row>
-	  <row>
-	    <entry></entry>
-	    <entry></entry>
-	    <entry><structfield>service_lines</structfield>[0][1]</entry>
-	    <entry align="center">1</entry>
-	    <entry align="center">1</entry>
-	  </row>
-	  <row>
-	    <entry></entry>
-	    <entry></entry>
-	    <entry><structfield>service_lines</structfield>[0][23]</entry>
-	    <entry align="center">23</entry>
-	    <entry align="center">23</entry>
-	  </row>
-	  <row>
-	    <entry></entry>
-	    <entry></entry>
-	    <entry><structfield>service_lines</structfield>[1][1]</entry>
-	    <entry align="center">264</entry>
-	    <entry align="center">314</entry>
-	  </row>
-	  <row>
-	    <entry></entry>
-	    <entry></entry>
-	    <entry><structfield>service_lines</structfield>[1][23]</entry>
-	    <entry align="center">286</entry>
-	    <entry align="center">336</entry>
-	  </row>
-	  <!-- End of line numbers table. -->
-	  <row>
-	    <entry></entry>
-	    <entry></entry>
-	    <entry spanname="hspan">Drivers must set
-<structfield>service_lines</structfield>[0][0] and
-<structfield>service_lines</structfield>[1][0] to zero.
-The <constant>V4L2_VBI_ITU_525_F1_START</constant>,
-<constant>V4L2_VBI_ITU_525_F2_START</constant>,
-<constant>V4L2_VBI_ITU_625_F1_START</constant> and
-<constant>V4L2_VBI_ITU_625_F2_START</constant> defines give the start
-line numbers for each field for each 525 or 625 line format as a
-convenience.  Don't forget that ITU line numbering starts at 1, not 0.
-</entry>
-	  </row>
-	  <row>
-	    <entry>__u32</entry>
-	    <entry><structfield>io_size</structfield></entry>
-	    <entry spanname="hspan">Maximum number of bytes passed by
-one &func-read; or &func-write; call, and the buffer size in bytes for
-the &VIDIOC-QBUF; and &VIDIOC-DQBUF; ioctl. Drivers set this field to
-the size of &v4l2-sliced-vbi-data; times the number of non-zero
-elements in the returned <structfield>service_lines</structfield>
-array (that is the number of lines potentially carrying data).</entry>
-	  </row>
-	  <row>
-	    <entry>__u32</entry>
-	    <entry><structfield>reserved</structfield>[2]</entry>
-	    <entry spanname="hspan">This array is reserved for future
-extensions. Applications and drivers must set it to zero.</entry>
-	  </row>
-	</tbody>
-      </tgroup>
-    </table>
-
-    <!-- See also vidioc-g-sliced-vbi-cap.sgml -->
-    <table frame="none" pgwide="1" id="vbi-services2">
-      <title>Sliced VBI services</title>
-      <tgroup cols="5">
-	<colspec colname="c1" colwidth="2*" />
-	<colspec colname="c2" colwidth="1*" />
-	<colspec colname="c3" colwidth="1*" />
-	<colspec colname="c4" colwidth="2*" />
-	<colspec colname="c5" colwidth="2*" />
-	<spanspec namest="c3" nameend="c5" spanname="rlp" />
-	<thead>
-	  <row>
-	    <entry>Symbol</entry>
-	    <entry>Value</entry>
-	    <entry>Reference</entry>
-	    <entry>Lines, usually</entry>
-	    <entry>Payload</entry>
-	  </row>
-	</thead>
-	<tbody valign="top">
-	  <row>
-	    <entry><constant>V4L2_SLICED_TELETEXT_B</constant>
-(Teletext System B)</entry>
-	    <entry>0x0001</entry>
-	    <entry><xref linkend="ets300706" />, <xref linkend="itu653" /></entry>
-	    <entry>PAL/SECAM line 7-22, 320-335 (second field 7-22)</entry>
-	    <entry>Last 42 of the 45 byte Teletext packet, that is
-without clock run-in and framing code, lsb first transmitted.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_SLICED_VPS</constant></entry>
-	    <entry>0x0400</entry>
-	    <entry><xref linkend="ets300231" /></entry>
-	    <entry>PAL line 16</entry>
-	    <entry>Byte number 3 to 15 according to Figure 9 of
-ETS&nbsp;300&nbsp;231, lsb first transmitted.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_SLICED_CAPTION_525</constant></entry>
-	    <entry>0x1000</entry>
-	    <entry><xref linkend="cea608" /></entry>
-	    <entry>NTSC line 21, 284 (second field 21)</entry>
-	    <entry>Two bytes in transmission order, including parity
-bit, lsb first transmitted.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_SLICED_WSS_625</constant></entry>
-	    <entry>0x4000</entry>
-	    <entry><xref linkend="itu1119" />, <xref linkend="en300294" /></entry>
-	    <entry>PAL/SECAM line 23</entry>
-	    <entry><screen>
-Byte         0                 1
-      msb         lsb  msb           lsb
- Bit  7 6 5 4 3 2 1 0  x x 13 12 11 10 9
-</screen></entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_SLICED_VBI_525</constant></entry>
-	    <entry>0x1000</entry>
-	    <entry spanname="rlp">Set of services applicable to 525
-line systems.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_SLICED_VBI_625</constant></entry>
-	    <entry>0x4401</entry>
-	    <entry spanname="rlp">Set of services applicable to 625
-line systems.</entry>
-	  </row>
-	</tbody>
-      </tgroup>
-    </table>
-
-    <para>Drivers may return an &EINVAL; when applications attempt to
-read or write data without prior format negotiation, after switching
-the video standard (which may invalidate the negotiated VBI
-parameters) and after switching the video input (which may change the
-video standard as a side effect). The &VIDIOC-S-FMT; ioctl may return
-an &EBUSY; when applications attempt to change the format while i/o is
-in progress (between a &VIDIOC-STREAMON; and &VIDIOC-STREAMOFF; call,
-and after the first &func-read; or &func-write; call).</para>
-  </section>
-
-  <section>
-    <title>Reading and writing sliced VBI data</title>
-
-    <para>A single &func-read; or &func-write; call must pass all data
-belonging to one video frame. That is an array of
-<structname>v4l2_sliced_vbi_data</structname> structures with one or
-more elements and a total size not exceeding
-<structfield>io_size</structfield> bytes. Likewise in streaming I/O
-mode one buffer of <structfield>io_size</structfield> bytes must
-contain data of one video frame. The <structfield>id</structfield> of
-unused <structname>v4l2_sliced_vbi_data</structname> elements must be
-zero.</para>
-
-    <table frame="none" pgwide="1" id="v4l2-sliced-vbi-data">
-      <title>struct
-<structname>v4l2_sliced_vbi_data</structname></title>
-      <tgroup cols="3">
-	&cs-def;
-	<tbody valign="top">
-	  <row>
-	    <entry>__u32</entry>
-	    <entry><structfield>id</structfield></entry>
-	    <entry>A flag from <xref linkend="vbi-services" />
-identifying the type of data in this packet. Only a single bit must be
-set. When the <structfield>id</structfield> of a captured packet is
-zero, the packet is empty and the contents of other fields are
-undefined. Applications shall ignore empty packets. When the
-<structfield>id</structfield> of a packet for output is zero the
-contents of the <structfield>data</structfield> field are undefined
-and the driver must no longer insert data on the requested
-<structfield>field</structfield> and
-<structfield>line</structfield>.</entry>
-	  </row>
-	  <row>
-	    <entry>__u32</entry>
-	    <entry><structfield>field</structfield></entry>
-	    <entry>The video field number this data has been captured
-from, or shall be inserted at. <constant>0</constant> for the first
-field, <constant>1</constant> for the second field.</entry>
-	  </row>
-	  <row>
-	    <entry>__u32</entry>
-	    <entry><structfield>line</structfield></entry>
-	    <entry>The field (as opposed to frame) line number this
-data has been captured from, or shall be inserted at. See <xref
-	    linkend="vbi-525" /> and <xref linkend="vbi-625" /> for valid
-values. Sliced VBI capture devices can set the line number of all
-packets to <constant>0</constant> if the hardware cannot reliably
-identify scan lines. The field number must always be valid.</entry>
-	  </row>
-	  <row>
-	    <entry>__u32</entry>
-	    <entry><structfield>reserved</structfield></entry>
-	    <entry>This field is reserved for future extensions.
-Applications and drivers must set it to zero.</entry>
-	  </row>
-	  <row>
-	    <entry>__u8</entry>
-	    <entry><structfield>data</structfield>[48]</entry>
-	    <entry>The packet payload. See <xref
-	    linkend="vbi-services" /> for the contents and number of
-bytes passed for each data type. The contents of padding bytes at the
-end of this array are undefined, drivers and applications shall ignore
-them.</entry>
-	  </row>
-	</tbody>
-      </tgroup>
-    </table>
-
-    <para>Packets are always passed in ascending line number order,
-without duplicate line numbers. The &func-write; function and the
-&VIDIOC-QBUF; ioctl must return an &EINVAL; when applications violate
-this rule. They must also return an &EINVAL; when applications pass an
-incorrect field or line number, or a combination of
-<structfield>field</structfield>, <structfield>line</structfield> and
-<structfield>id</structfield> which has not been negotiated with the
-&VIDIOC-G-FMT; or &VIDIOC-S-FMT; ioctl. When the line numbers are
-unknown the driver must pass the packets in transmitted order. The
-driver can insert empty packets with <structfield>id</structfield> set
-to zero anywhere in the packet array.</para>
-
-    <para>To assure synchronization and to distinguish from frame
-dropping, when a captured frame does not carry any of the requested
-data services drivers must pass one or more empty packets. When an
-application fails to pass VBI data in time for output, the driver
-must output the last VPS and WSS packet again, and disable the output
-of Closed Caption and Teletext data, or output data which is ignored
-by Closed Caption and Teletext decoders.</para>
-
-    <para>A sliced VBI device may support <link
-linkend="rw">read/write</link> and/or streaming (<link
-linkend="mmap">memory mapping</link> and/or <link linkend="userp">user
-pointer</link>) I/O. The latter bears the possibility of synchronizing
-video and VBI data by using buffer timestamps.</para>
-
-  </section>
-
-  <section>
-    <title>Sliced VBI Data in MPEG Streams</title>
-
-    <para>If a device can produce an MPEG output stream, it may be
-capable of providing <link
-linkend="sliced-vbi-format-negotitation">negotiated sliced VBI
-services</link> as data embedded in the MPEG stream.  Users or
-applications control this sliced VBI data insertion with the <link
-linkend="v4l2-mpeg-stream-vbi-fmt">V4L2_CID_MPEG_STREAM_VBI_FMT</link>
-control.</para>
-
-    <para>If the driver does not provide the <link
-linkend="v4l2-mpeg-stream-vbi-fmt">V4L2_CID_MPEG_STREAM_VBI_FMT</link>
-control, or only allows that control to be set to <link
-linkend="v4l2-mpeg-stream-vbi-fmt"><constant>
-V4L2_MPEG_STREAM_VBI_FMT_NONE</constant></link>, then the device
-cannot embed sliced VBI data in the MPEG stream.</para>
-
-    <para>The <link linkend="v4l2-mpeg-stream-vbi-fmt">
-V4L2_CID_MPEG_STREAM_VBI_FMT</link> control does not implicitly set
-the device driver to capture nor cease capturing sliced VBI data.  The
-control only indicates to embed sliced VBI data in the MPEG stream, if
-an application has negotiated sliced VBI service be captured.</para>
-
-    <para>It may also be the case that a device can embed sliced VBI
-data in only certain types of MPEG streams: for example in an MPEG-2
-PS but not an MPEG-2 TS.  In this situation, if sliced VBI data
-insertion is requested, the sliced VBI data will be embedded in MPEG
-stream types when supported, and silently omitted from MPEG stream
-types where sliced VBI data insertion is not supported by the device.
-</para>
-
-    <para>The following subsections specify the format of the
-embedded sliced VBI data.</para>
-
-  <section>
-    <title>MPEG Stream Embedded, Sliced VBI Data Format: NONE</title>
-    <para>The <link linkend="v4l2-mpeg-stream-vbi-fmt"><constant>
-V4L2_MPEG_STREAM_VBI_FMT_NONE</constant></link> embedded sliced VBI
-format shall be interpreted by drivers as a control to cease
-embedding sliced VBI data in MPEG streams.  Neither the device nor
-driver shall insert "empty" embedded sliced VBI data packets in the
-MPEG stream when this format is set.  No MPEG stream data structures
-are specified for this format.</para>
-  </section>
-
-  <section>
-    <title>MPEG Stream Embedded, Sliced VBI Data Format: IVTV</title>
-    <para>The <link linkend="v4l2-mpeg-stream-vbi-fmt"><constant>
-V4L2_MPEG_STREAM_VBI_FMT_IVTV</constant></link> embedded sliced VBI
-format, when supported, indicates to the driver to embed up to 36
-lines of sliced VBI data per frame in an MPEG-2 <emphasis>Private
-Stream 1 PES</emphasis> packet encapsulated in an MPEG-2 <emphasis>
-Program Pack</emphasis> in the MPEG stream.</para>
-
-    <para><emphasis>Historical context</emphasis>: This format
-specification originates from a custom, embedded, sliced VBI data
-format used by the <filename>ivtv</filename> driver.  This format
-has already been informally specified in the kernel sources in the
-file <filename>Documentation/video4linux/cx2341x/README.vbi</filename>
-.  The maximum size of the payload and other aspects of this format
-are driven by the CX23415 MPEG decoder's capabilities and limitations
-with respect to extracting, decoding, and displaying sliced VBI data
-embedded within an MPEG stream.</para>
-
-    <para>This format's use is <emphasis>not</emphasis> exclusive to
-the <filename>ivtv</filename> driver <emphasis>nor</emphasis>
-exclusive to CX2341x devices, as the sliced VBI data packet insertion
-into the MPEG stream is implemented in driver software.  At least the
-<filename>cx18</filename> driver provides sliced VBI data insertion
-into an MPEG-2 PS in this format as well.</para>
-
-    <para>The following definitions specify the payload of the
-MPEG-2 <emphasis>Private Stream 1 PES</emphasis> packets that contain
-sliced VBI data when <link linkend="v4l2-mpeg-stream-vbi-fmt">
-<constant>V4L2_MPEG_STREAM_VBI_FMT_IVTV</constant></link> is set.
-(The MPEG-2 <emphasis>Private Stream 1 PES</emphasis> packet header
-and encapsulating MPEG-2 <emphasis>Program Pack</emphasis> header are
-not detailed here.  Please refer to the MPEG-2 specifications for
-details on those packet headers.)</para>
-
-    <para>The payload of the MPEG-2 <emphasis>Private Stream 1 PES
-</emphasis> packets that contain sliced VBI data is specified by
-&v4l2-mpeg-vbi-fmt-ivtv;.  The payload is variable
-length, depending on the actual number of lines of sliced VBI data
-present in a video frame.  The payload may be padded at the end with
-unspecified fill bytes to align the end of the payload to a 4-byte
-boundary.  The payload shall never exceed 1552 bytes (2 fields with
-18 lines/field with 43 bytes of data/line and a 4 byte magic number).
-</para>
-
-    <table frame="none" pgwide="1" id="v4l2-mpeg-vbi-fmt-ivtv">
-      <title>struct <structname>v4l2_mpeg_vbi_fmt_ivtv</structname>
-      </title>
-      <tgroup cols="4">
-	&cs-ustr;
-	<tbody valign="top">
-	  <row>
-	    <entry>__u8</entry>
-	    <entry><structfield>magic</structfield>[4]</entry>
-	    <entry></entry>
-	    <entry>A "magic" constant from <xref
-	    linkend="v4l2-mpeg-vbi-fmt-ivtv-magic" /> that indicates
-this is a valid sliced VBI data payload and also indicates which
-member of the anonymous union, <structfield>itv0</structfield> or
-<structfield>ITV0</structfield>, to use for the payload data.</entry>
-	  </row>
-	  <row>
-	    <entry>union</entry>
-	    <entry>(anonymous)</entry>
-	  </row>
-	  <row>
-	    <entry></entry>
-	    <entry>struct <link linkend="v4l2-mpeg-vbi-itv0">
-	      <structname>v4l2_mpeg_vbi_itv0</structname></link>
-	    </entry>
-	    <entry><structfield>itv0</structfield></entry>
-	    <entry>The primary form of the sliced VBI data payload
-that contains anywhere from 1 to 35 lines of sliced VBI data.
-Line masks are provided in this form of the payload indicating
-which VBI lines are provided.</entry>
-	  </row>
-	  <row>
-	    <entry></entry>
-	    <entry>struct <link linkend="v4l2-mpeg-vbi-itv0-1">
-	      <structname>v4l2_mpeg_vbi_ITV0</structname></link>
-	    </entry>
-	    <entry><structfield>ITV0</structfield></entry>
-	    <entry>An alternate form of the sliced VBI data payload
-used when 36 lines of sliced VBI data are present.  No line masks are
-provided in this form of the payload; all valid line mask bits are
-implcitly set.</entry>
-	  </row>
-	</tbody>
-      </tgroup>
-    </table>
-
-    <table frame="none" pgwide="1" id="v4l2-mpeg-vbi-fmt-ivtv-magic">
-      <title>Magic Constants for &v4l2-mpeg-vbi-fmt-ivtv;
-	<structfield>magic</structfield> field</title>
-      <tgroup cols="3">
-	&cs-def;
-	<thead>
-	  <row>
-	    <entry align="left">Defined Symbol</entry>
-	    <entry align="left">Value</entry>
-	    <entry align="left">Description</entry>
-	  </row>
-	</thead>
-	<tbody valign="top">
-	  <row>
-	    <entry><constant>V4L2_MPEG_VBI_IVTV_MAGIC0</constant>
-	    </entry>
-	    <entry>"itv0"</entry>
-	    <entry>Indicates the <structfield>itv0</structfield>
-member of the union in &v4l2-mpeg-vbi-fmt-ivtv; is valid.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_MPEG_VBI_IVTV_MAGIC1</constant>
-	    </entry>
-	    <entry>"ITV0"</entry>
-	    <entry>Indicates the <structfield>ITV0</structfield>
-member of the union in &v4l2-mpeg-vbi-fmt-ivtv; is valid and
-that 36 lines of sliced VBI data are present.</entry>
-	  </row>
-	</tbody>
-      </tgroup>
-    </table>
-
-    <table frame="none" pgwide="1" id="v4l2-mpeg-vbi-itv0">
-      <title>struct <structname>v4l2_mpeg_vbi_itv0</structname>
-      </title>
-      <tgroup cols="3">
-	&cs-str;
-	<tbody valign="top">
-	  <row>
-	    <entry>__le32</entry>
-	    <entry><structfield>linemask</structfield>[2]</entry>
-	    <entry><para>Bitmasks indicating the VBI service lines
-present.  These <structfield>linemask</structfield> values are stored
-in little endian byte order in the MPEG stream.  Some reference
-<structfield>linemask</structfield> bit positions with their
-corresponding VBI line number and video field are given below.
-b<subscript>0</subscript> indicates the least significant bit of a
-<structfield>linemask</structfield> value:<screen>
-<structfield>linemask</structfield>[0] b<subscript>0</subscript>:		line  6		first field
-<structfield>linemask</structfield>[0] b<subscript>17</subscript>:		line 23		first field
-<structfield>linemask</structfield>[0] b<subscript>18</subscript>:		line  6		second field
-<structfield>linemask</structfield>[0] b<subscript>31</subscript>:		line 19		second field
-<structfield>linemask</structfield>[1] b<subscript>0</subscript>:		line 20		second field
-<structfield>linemask</structfield>[1] b<subscript>3</subscript>:		line 23		second field
-<structfield>linemask</structfield>[1] b<subscript>4</subscript>-b<subscript>31</subscript>:	unused and set to 0</screen></para></entry>
-	  </row>
-	  <row>
-	    <entry>struct <link linkend="v4l2-mpeg-vbi-itv0-line">
-	      <structname>v4l2_mpeg_vbi_itv0_line</structname></link>
-	    </entry>
-	    <entry><structfield>line</structfield>[35]</entry>
-	    <entry>This is a variable length array that holds from 1
-to 35 lines of sliced VBI data.  The sliced VBI data lines present
-correspond to the bits set in the <structfield>linemask</structfield>
-array, starting from b<subscript>0</subscript> of <structfield>
-linemask</structfield>[0] up through b<subscript>31</subscript> of
-<structfield>linemask</structfield>[0], and from b<subscript>0
-</subscript> of <structfield>linemask</structfield>[1] up through b
-<subscript>3</subscript> of <structfield>linemask</structfield>[1].
-<structfield>line</structfield>[0] corresponds to the first bit
-found set in the <structfield>linemask</structfield> array,
-<structfield>line</structfield>[1] corresponds to the second bit
-found set in the <structfield>linemask</structfield> array, etc.
-If no <structfield>linemask</structfield> array bits are set, then
-<structfield>line</structfield>[0] may contain one line of
-unspecified data that should be ignored by applications.</entry>
-	  </row>
-	</tbody>
-      </tgroup>
-    </table>
-
-    <table frame="none" pgwide="1" id="v4l2-mpeg-vbi-itv0-1">
-      <title>struct <structname>v4l2_mpeg_vbi_ITV0</structname>
-      </title>
-      <tgroup cols="3">
-	&cs-str;
-	<tbody valign="top">
-	  <row>
-	    <entry>struct <link linkend="v4l2-mpeg-vbi-itv0-line">
-	      <structname>v4l2_mpeg_vbi_itv0_line</structname></link>
-	    </entry>
-	    <entry><structfield>line</structfield>[36]</entry>
-	    <entry>A fixed length array of 36 lines of sliced VBI
-data.  <structfield>line</structfield>[0] through <structfield>line
-</structfield>[17] correspond to lines 6 through 23 of the
-first field.  <structfield>line</structfield>[18] through
-<structfield>line</structfield>[35] corresponds to lines 6
-through 23 of the second field.</entry>
-	  </row>
-	</tbody>
-      </tgroup>
-    </table>
-
-    <table frame="none" pgwide="1" id="v4l2-mpeg-vbi-itv0-line">
-      <title>struct <structname>v4l2_mpeg_vbi_itv0_line</structname>
-      </title>
-      <tgroup cols="3">
-	&cs-str;
-	<tbody valign="top">
-	  <row>
-	    <entry>__u8</entry>
-	    <entry><structfield>id</structfield></entry>
-	    <entry>A line identifier value from
-<xref linkend="ITV0-Line-Identifier-Constants" /> that indicates
-the type of sliced VBI data stored on this line.</entry>
-	  </row>
-	  <row>
-	    <entry>__u8</entry>
-	    <entry><structfield>data</structfield>[42]</entry>
-	    <entry>The sliced VBI data for the line.</entry>
-	  </row>
-	</tbody>
-      </tgroup>
-    </table>
-
-    <table frame="none" pgwide="1" id="ITV0-Line-Identifier-Constants">
-      <title>Line Identifiers for struct <link
-      linkend="v4l2-mpeg-vbi-itv0-line"><structname>
-v4l2_mpeg_vbi_itv0_line</structname></link> <structfield>id
-</structfield> field</title>
-      <tgroup cols="3">
-	&cs-def;
-	<thead>
-	  <row>
-	    <entry align="left">Defined Symbol</entry>
-	    <entry align="left">Value</entry>
-	    <entry align="left">Description</entry>
-	  </row>
-	</thead>
-	<tbody valign="top">
-	  <row>
-	    <entry><constant>V4L2_MPEG_VBI_IVTV_TELETEXT_B</constant>
-	    </entry>
-	    <entry>1</entry>
-	    <entry>Refer to <link linkend="vbi-services2">
-Sliced VBI services</link> for a description of the line payload.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_MPEG_VBI_IVTV_CAPTION_525</constant>
-	    </entry>
-	    <entry>4</entry>
-	    <entry>Refer to <link linkend="vbi-services2">
-Sliced VBI services</link> for a description of the line payload.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_MPEG_VBI_IVTV_WSS_625</constant>
-	    </entry>
-	    <entry>5</entry>
-	    <entry>Refer to <link linkend="vbi-services2">
-Sliced VBI services</link> for a description of the line payload.</entry>
-	  </row>
-	  <row>
-	    <entry><constant>V4L2_MPEG_VBI_IVTV_VPS</constant>
-	    </entry>
-	    <entry>7</entry>
-	    <entry>Refer to <link linkend="vbi-services2">
-Sliced VBI services</link> for a description of the line payload.</entry>
-	  </row>
-	</tbody>
-      </tgroup>
-    </table>
-
-  </section>
-  </section>

Documentation/DocBook/media/v4l/dev-subdev.xml

@@ -1,478 +0,0 @@
-  <title>Sub-device Interface</title>
-
-  <para>The complex nature of V4L2 devices, where hardware is often made of
-  several integrated circuits that need to interact with each other in a
-  controlled way, leads to complex V4L2 drivers. The drivers usually reflect
-  the hardware model in software, and model the different hardware components
-  as software blocks called sub-devices.</para>
-
-  <para>V4L2 sub-devices are usually kernel-only objects. If the V4L2 driver
-  implements the media device API, they will automatically inherit from media
-  entities. Applications will be able to enumerate the sub-devices and discover
-  the hardware topology using the media entities, pads and links enumeration
-  API.</para>
-
-  <para>In addition to make sub-devices discoverable, drivers can also choose
-  to make them directly configurable by applications. When both the sub-device
-  driver and the V4L2 device driver support this, sub-devices will feature a
-  character device node on which ioctls can be called to
-  <itemizedlist>
-    <listitem><para>query, read and write sub-devices controls</para></listitem>
-    <listitem><para>subscribe and unsubscribe to events and retrieve them</para></listitem>
-    <listitem><para>negotiate image formats on individual pads</para></listitem>
-  </itemizedlist>
-  </para>
-
-  <para>Sub-device character device nodes, conventionally named
-  <filename>/dev/v4l-subdev*</filename>, use major number 81.</para>
-
-  <section>
-    <title>Controls</title>
-    <para>Most V4L2 controls are implemented by sub-device hardware. Drivers
-    usually merge all controls and expose them through video device nodes.
-    Applications can control all sub-devices through a single interface.</para>
-
-    <para>Complex devices sometimes implement the same control in different
-    pieces of hardware. This situation is common in embedded platforms, where
-    both sensors and image processing hardware implement identical functions,
-    such as contrast adjustment, white balance or faulty pixels correction. As
-    the V4L2 controls API doesn't support several identical controls in a single
-    device, all but one of the identical controls are hidden.</para>
-
-    <para>Applications can access those hidden controls through the sub-device
-    node with the V4L2 control API described in <xref linkend="control" />. The
-    ioctls behave identically as when issued on V4L2 device nodes, with the
-    exception that they deal only with controls implemented in the sub-device.
-    </para>
-
-    <para>Depending on the driver, those controls might also be exposed through
-    one (or several) V4L2 device nodes.</para>
-  </section>
-
-  <section>
-    <title>Events</title>
-    <para>V4L2 sub-devices can notify applications of events as described in
-    <xref linkend="event" />. The API behaves identically as when used on V4L2
-    device nodes, with the exception that it only deals with events generated by
-    the sub-device. Depending on the driver, those events might also be reported
-    on one (or several) V4L2 device nodes.</para>
-  </section>
-
-  <section id="pad-level-formats">
-    <title>Pad-level Formats</title>
-
-    <warning><para>Pad-level formats are only applicable to very complex device that
-    need to expose low-level format configuration to user space. Generic V4L2
-    applications do <emphasis>not</emphasis> need to use the API described in
-    this section.</para></warning>
-
-    <note><para>For the purpose of this section, the term
-    <wordasword>format</wordasword> means the combination of media bus data
-    format, frame width and frame height.</para></note>
-
-    <para>Image formats are typically negotiated on video capture and
-    output devices using the format and <link
-    linkend="vidioc-subdev-g-selection">selection</link> ioctls. The
-    driver is responsible for configuring every block in the video
-    pipeline according to the requested format at the pipeline input
-    and/or output.</para>
-
-    <para>For complex devices, such as often found in embedded systems,
-    identical image sizes at the output of a pipeline can be achieved using
-    different hardware configurations. One such example is shown on
-    <xref linkend="pipeline-scaling" />, where
-    image scaling can be performed on both the video sensor and the host image
-    processing hardware.</para>
-
-    <figure id="pipeline-scaling">
-      <title>Image Format Negotiation on Pipelines</title>
-      <mediaobject>
-	<imageobject>
-	  <imagedata fileref="pipeline.pdf" format="PS" />
-	</imageobject>
-	<imageobject>
-	  <imagedata fileref="pipeline.png" format="PNG" />
-	</imageobject>
-	<textobject>
-	  <phrase>High quality and high speed pipeline configuration</phrase>
-	</textobject>
-      </mediaobject>
-    </figure>
-
-    <para>The sensor scaler is usually of less quality than the host scaler, but
-    scaling on the sensor is required to achieve higher frame rates. Depending
-    on the use case (quality vs. speed), the pipeline must be configured
-    differently. Applications need to configure the formats at every point in
-    the pipeline explicitly.</para>
-
-    <para>Drivers that implement the <link linkend="media-controller-intro">media
-    API</link> can expose pad-level image format configuration to applications.
-    When they do, applications can use the &VIDIOC-SUBDEV-G-FMT; and
-    &VIDIOC-SUBDEV-S-FMT; ioctls. to negotiate formats on a per-pad basis.</para>
-
-    <para>Applications are responsible for configuring coherent parameters on
-    the whole pipeline and making sure that connected pads have compatible
-    formats. The pipeline is checked for formats mismatch at &VIDIOC-STREAMON;
-    time, and an &EPIPE; is then returned if the configuration is
-    invalid.</para>
-
-    <para>Pad-level image format configuration support can be tested by calling
-    the &VIDIOC-SUBDEV-G-FMT; ioctl on pad 0. If the driver returns an &EINVAL;
-    pad-level format configuration is not supported by the sub-device.</para>
-
-    <section>
-      <title>Format Negotiation</title>
-
-      <para>Acceptable formats on pads can (and usually do) depend on a number
-      of external parameters, such as formats on other pads, active links, or
-      even controls. Finding a combination of formats on all pads in a video
-      pipeline, acceptable to both application and driver, can't rely on formats
-      enumeration only. A format negotiation mechanism is required.</para>
-
-      <para>Central to the format negotiation mechanism are the get/set format
-      operations. When called with the <structfield>which</structfield> argument
-      set to <constant>V4L2_SUBDEV_FORMAT_TRY</constant>, the
-      &VIDIOC-SUBDEV-G-FMT; and &VIDIOC-SUBDEV-S-FMT; ioctls operate on a set of
-      formats parameters that are not connected to the hardware configuration.
-      Modifying those 'try' formats leaves the device state untouched (this
-      applies to both the software state stored in the driver and the hardware
-      state stored in the device itself).</para>
-
-      <para>While not kept as part of the device state, try formats are stored
-      in the sub-device file handles. A &VIDIOC-SUBDEV-G-FMT; call will return
-      the last try format set <emphasis>on the same sub-device file
-      handle</emphasis>. Several applications querying the same sub-device at
-      the same time will thus not interact with each other.</para>
-
-      <para>To find out whether a particular format is supported by the device,
-      applications use the &VIDIOC-SUBDEV-S-FMT; ioctl. Drivers verify and, if
-      needed, change the requested <structfield>format</structfield> based on
-      device requirements and return the possibly modified value. Applications
-      can then choose to try a different format or accept the returned value and
-      continue.</para>
-
-      <para>Formats returned by the driver during a negotiation iteration are
-      guaranteed to be supported by the device. In particular, drivers guarantee
-      that a returned format will not be further changed if passed to an
-      &VIDIOC-SUBDEV-S-FMT; call as-is (as long as external parameters, such as
-      formats on other pads or links' configuration are not changed).</para>
-
-      <para>Drivers automatically propagate formats inside sub-devices. When a
-      try or active format is set on a pad, corresponding formats on other pads
-      of the same sub-device can be modified by the driver. Drivers are free to
-      modify formats as required by the device. However, they should comply with
-      the following rules when possible:
-      <itemizedlist>
-        <listitem><para>Formats should be propagated from sink pads to source pads.
-	Modifying a format on a source pad should not modify the format on any
-	sink pad.</para></listitem>
-        <listitem><para>Sub-devices that scale frames using variable scaling factors
-	should reset the scale factors to default values when sink pads formats
-	are modified. If the 1:1 scaling ratio is supported, this means that
-	source pads formats should be reset to the sink pads formats.</para></listitem>
-      </itemizedlist>
-      </para>
-
-      <para>Formats are not propagated across links, as that would involve
-      propagating them from one sub-device file handle to another. Applications
-      must then take care to configure both ends of every link explicitly with
-      compatible formats. Identical formats on the two ends of a link are
-      guaranteed to be compatible. Drivers are free to accept different formats
-      matching device requirements as being compatible.</para>
-
-      <para><xref linkend="sample-pipeline-config" />
-      shows a sample configuration sequence for the pipeline described in
-      <xref linkend="pipeline-scaling" /> (table
-      columns list entity names and pad numbers).</para>
-
-      <table pgwide="0" frame="none" id="sample-pipeline-config">
-	<title>Sample Pipeline Configuration</title>
-	<tgroup cols="3">
-	  <colspec colname="what"/>
-	  <colspec colname="sensor-0 format" />
-	  <colspec colname="frontend-0 format" />
-	  <colspec colname="frontend-1 format" />
-	  <colspec colname="scaler-0 format" />
-	  <colspec colname="scaler-0 compose" />
-	  <colspec colname="scaler-1 format" />
-	  <thead>
-	    <row>
-	      <entry></entry>
-	      <entry>Sensor/0 format</entry>
-	      <entry>Frontend/0 format</entry>
-	      <entry>Frontend/1 format</entry>
-	      <entry>Scaler/0 format</entry>
-	      <entry>Scaler/0 compose selection rectangle</entry>
-	      <entry>Scaler/1 format</entry>
-	    </row>
-	  </thead>
-	  <tbody valign="top">
-	    <row>
-	      <entry>Initial state</entry>
-	      <entry>2048x1536/SGRBG8_1X8</entry>
-	      <entry>(default)</entry>
-	      <entry>(default)</entry>
-	      <entry>(default)</entry>
-	      <entry>(default)</entry>
-	      <entry>(default)</entry>
-	    </row>
-	    <row>
-	      <entry>Configure frontend sink format</entry>
-	      <entry>2048x1536/SGRBG8_1X8</entry>
-	      <entry><emphasis>2048x1536/SGRBG8_1X8</emphasis></entry>
-	      <entry><emphasis>2046x1534/SGRBG8_1X8</emphasis></entry>
-	      <entry>(default)</entry>
-	      <entry>(default)</entry>
-	      <entry>(default)</entry>
-	    </row>
-	    <row>
-	      <entry>Configure scaler sink format</entry>
-	      <entry>2048x1536/SGRBG8_1X8</entry>
-	      <entry>2048x1536/SGRBG8_1X8</entry>
-	      <entry>2046x1534/SGRBG8_1X8</entry>
-	      <entry><emphasis>2046x1534/SGRBG8_1X8</emphasis></entry>
-	      <entry><emphasis>0,0/2046x1534</emphasis></entry>
-	      <entry><emphasis>2046x1534/SGRBG8_1X8</emphasis></entry>
-	    </row>
-	    <row>
-	      <entry>Configure scaler sink compose selection</entry>
-	      <entry>2048x1536/SGRBG8_1X8</entry>
-	      <entry>2048x1536/SGRBG8_1X8</entry>
-	      <entry>2046x1534/SGRBG8_1X8</entry>
-	      <entry>2046x1534/SGRBG8_1X8</entry>
-	      <entry><emphasis>0,0/1280x960</emphasis></entry>
-	      <entry><emphasis>1280x960/SGRBG8_1X8</emphasis></entry>
-	    </row>
-	  </tbody>
-	</tgroup>
-      </table>
-
-      <para>
-      <orderedlist>
-	<listitem><para>Initial state. The sensor source pad format is
-	set to its native 3MP size and V4L2_MBUS_FMT_SGRBG8_1X8
-	media bus code. Formats on the host frontend and scaler sink
-	and source pads have the default values, as well as the
-	compose rectangle on the scaler's sink pad.</para></listitem>
-
-	<listitem><para>The application configures the frontend sink
-	pad format's size to 2048x1536 and its media bus code to
-	V4L2_MBUS_FMT_SGRBG_1X8. The driver propagates the format to
-	the frontend source pad.</para></listitem>
-
-	<listitem><para>The application configures the scaler sink pad
-	format's size to 2046x1534 and the media bus code to
-	V4L2_MBUS_FMT_SGRBG_1X8 to match the frontend source size and
-	media bus code. The media bus code on the sink pad is set to
-	V4L2_MBUS_FMT_SGRBG_1X8. The driver propagates the size to the
-	compose selection rectangle on the scaler's sink pad, and the
-	format to the scaler source pad.</para></listitem>
-
-	<listitem><para>The application configures the size of the compose
-	selection rectangle of the scaler's sink pad 1280x960. The driver
-	propagates the size to the scaler's source pad
-	format.</para></listitem>
-
-      </orderedlist>
-      </para>
-
-      <para>When satisfied with the try results, applications can set the active
-      formats by setting the <structfield>which</structfield> argument to
-      <constant>V4L2_SUBDEV_FORMAT_ACTIVE</constant>. Active formats are changed
-      exactly as try formats by drivers. To avoid modifying the hardware state
-      during format negotiation, applications should negotiate try formats first
-      and then modify the active settings using the try formats returned during
-      the last negotiation iteration. This guarantees that the active format
-      will be applied as-is by the driver without being modified.
-      </para>
-    </section>
-
-    <section id="v4l2-subdev-selections">
-      <title>Selections: cropping, scaling and composition</title>
-
-      <para>Many sub-devices support cropping frames on their input or output
-      pads (or possible even on both). Cropping is used to select the area of
-      interest in an image, typically on an image sensor or a video decoder. It can
-      also be used as part of digital zoom implementations to select the area of
-      the image that will be scaled up.</para>
-
-      <para>Crop settings are defined by a crop rectangle and represented in a
-      &v4l2-rect; by the coordinates of the top left corner and the rectangle
-      size. Both the coordinates and sizes are expressed in pixels.</para>
-
-      <para>As for pad formats, drivers store try and active
-      rectangles for the selection targets <xref
-      linkend="v4l2-selections-common" />.</para>
-
-      <para>On sink pads, cropping is applied relative to the
-      current pad format. The pad format represents the image size as
-      received by the sub-device from the previous block in the
-      pipeline, and the crop rectangle represents the sub-image that
-      will be transmitted further inside the sub-device for
-      processing.</para>
-
-      <para>The scaling operation changes the size of the image by
-      scaling it to new dimensions. The scaling ratio isn't specified
-      explicitly, but is implied from the original and scaled image
-      sizes. Both sizes are represented by &v4l2-rect;.</para>
-
-      <para>Scaling support is optional. When supported by a subdev,
-      the crop rectangle on the subdev's sink pad is scaled to the
-      size configured using the &VIDIOC-SUBDEV-S-SELECTION; IOCTL
-      using <constant>V4L2_SEL_TGT_COMPOSE</constant>
-      selection target on the same pad. If the subdev supports scaling
-      but not composing, the top and left values are not used and must
-      always be set to zero.</para>
-
-      <para>On source pads, cropping is similar to sink pads, with the
-      exception that the source size from which the cropping is
-      performed, is the COMPOSE rectangle on the sink pad. In both
-      sink and source pads, the crop rectangle must be entirely
-      contained inside the source image size for the crop
-      operation.</para>
-
-      <para>The drivers should always use the closest possible
-      rectangle the user requests on all selection targets, unless
-      specifically told otherwise.
-      <constant>V4L2_SEL_FLAG_GE</constant> and
-      <constant>V4L2_SEL_FLAG_LE</constant> flags may be
-      used to round the image size either up or down. <xref
-      linkend="v4l2-selection-flags" /></para>
-    </section>
-
-    <section>
-      <title>Types of selection targets</title>
-
-      <section>
-	<title>Actual targets</title>
-
-	<para>Actual targets (without a postfix) reflect the actual
-	hardware configuration at any point of time. There is a BOUNDS
-	target corresponding to every actual target.</para>
-      </section>
-
-      <section>
-	<title>BOUNDS targets</title>
-
-	<para>BOUNDS targets is the smallest rectangle that contains all
-	valid actual rectangles. It may not be possible to set the actual
-	rectangle as large as the BOUNDS rectangle, however. This may be
-	because e.g. a sensor's pixel array is not rectangular but
-	cross-shaped or round. The maximum size may also be smaller than the
-	BOUNDS rectangle.</para>
-      </section>
-
-    </section>
-
-    <section>
-      <title>Order of configuration and format propagation</title>
-
-      <para>Inside subdevs, the order of image processing steps will
-      always be from the sink pad towards the source pad. This is also
-      reflected in the order in which the configuration must be
-      performed by the user: the changes made will be propagated to
-      any subsequent stages. If this behaviour is not desired, the
-      user must set
-      <constant>V4L2_SEL_FLAG_KEEP_CONFIG</constant> flag. This
-      flag causes no propagation of the changes are allowed in any
-      circumstances. This may also cause the accessed rectangle to be
-      adjusted by the driver, depending on the properties of the
-      underlying hardware.</para>
-
-      <para>The coordinates to a step always refer to the actual size
-      of the previous step. The exception to this rule is the source
-      compose rectangle, which refers to the sink compose bounds
-      rectangle --- if it is supported by the hardware.</para>
-
-      <orderedlist>
-	<listitem><para>Sink pad format. The user configures the sink pad
-	format. This format defines the parameters of the image the
-	entity receives through the pad for further processing.</para></listitem>
-
-	<listitem><para>Sink pad actual crop selection. The sink pad crop
-	defines the crop performed to the sink pad format.</para></listitem>
-
-	<listitem><para>Sink pad actual compose selection. The size of the
-	sink pad compose rectangle defines the scaling ratio compared
-	to the size of the sink pad crop rectangle. The location of
-	the compose rectangle specifies the location of the actual
-	sink compose rectangle in the sink compose bounds
-	rectangle.</para></listitem>
-
-	<listitem><para>Source pad actual crop selection. Crop on the source
-	pad defines crop performed to the image in the sink compose
-	bounds rectangle.</para></listitem>
-
-	<listitem><para>Source pad format. The source pad format defines the
-	output pixel format of the subdev, as well as the other
-	parameters with the exception of the image width and height.
-	Width and height are defined by the size of the source pad
-	actual crop selection.</para></listitem>
-      </orderedlist>
-
-      <para>Accessing any of the above rectangles not supported by the
-      subdev will return <constant>EINVAL</constant>. Any rectangle
-      referring to a previous unsupported rectangle coordinates will
-      instead refer to the previous supported rectangle. For example,
-      if sink crop is not supported, the compose selection will refer
-      to the sink pad format dimensions instead.</para>
-
-      <figure id="subdev-image-processing-crop">
-	<title>Image processing in subdevs: simple crop example</title>
-	<mediaobject>
-	  <imageobject>
-	    <imagedata fileref="subdev-image-processing-crop.svg"
-	    format="SVG" scale="200" />
-	  </imageobject>
-	</mediaobject>
-      </figure>
-
-      <para>In the above example, the subdev supports cropping on its
-      sink pad. To configure it, the user sets the media bus format on
-      the subdev's sink pad. Now the actual crop rectangle can be set
-      on the sink pad --- the location and size of this rectangle
-      reflect the location and size of a rectangle to be cropped from
-      the sink format. The size of the sink crop rectangle will also
-      be the size of the format of the subdev's source pad.</para>
-
-      <figure id="subdev-image-processing-scaling-multi-source">
-	<title>Image processing in subdevs: scaling with multiple sources</title>
-	<mediaobject>
-	  <imageobject>
-	    <imagedata fileref="subdev-image-processing-scaling-multi-source.svg"
-	    format="SVG" scale="200" />
-	  </imageobject>
-	</mediaobject>
-      </figure>
-
-      <para>In this example, the subdev is capable of first cropping,
-      then scaling and finally cropping for two source pads
-      individually from the resulting scaled image. The location of
-      the scaled image in the cropped image is ignored in sink compose
-      target. Both of the locations of the source crop rectangles
-      refer to the sink scaling rectangle, independently cropping an
-      area at location specified by the source crop rectangle from
-      it.</para>
-
-      <figure id="subdev-image-processing-full">
-	<title>Image processing in subdevs: scaling and composition
-	with multiple sinks and sources</title>
-	<mediaobject>
-	  <imageobject>
-	    <imagedata fileref="subdev-image-processing-full.svg"
-	    format="SVG" scale="200" />
-	  </imageobject>
-	</mediaobject>
-      </figure>
-
-      <para>The subdev driver supports two sink pads and two source
-      pads. The images from both of the sink pads are individually
-      cropped, then scaled and further composed on the composition
-      bounds rectangle. From that, two independent streams are cropped
-      and sent out of the subdev from the source pads.</para>
-
-    </section>
-
-  </section>
-
-  &sub-subdev-formats;