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@@ -1,28 +1,9 @@
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-/* $Id: aha1542.c,v 1.1 1992/07/24 06:27:38 root Exp root $
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- * linux/kernel/aha1542.c
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+/*
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+ * Driver for Adaptec AHA-1542 SCSI host adapters
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*
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* Copyright (C) 1992 Tommy Thorn
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* Copyright (C) 1993, 1994, 1995 Eric Youngdale
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- *
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- * Modified by Eric Youngdale
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- * Use request_irq and request_dma to help prevent unexpected conflicts
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- * Set up on-board DMA controller, such that we do not have to
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- * have the bios enabled to use the aha1542.
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- * Modified by David Gentzel
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- * Don't call request_dma if dma mask is 0 (for BusLogic BT-445S VL-Bus
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- * controller).
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- * Modified by Matti Aarnio
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- * Accept parameters from LILO cmd-line. -- 1-Oct-94
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- * Modified by Mike McLagan <mike.mclagan@linux.org>
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- * Recognise extended mode on AHA1542CP, different bit than 1542CF
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- * 1-Jan-97
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- * Modified by Bjorn L. Thordarson and Einar Thor Einarsson
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- * Recognize that DMA0 is valid DMA channel -- 13-Jul-98
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- * Modified by Chris Faulhaber <jedgar@fxp.org>
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- * Added module command-line options
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- * 19-Jul-99
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- * Modified by Adam Fritzler
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- * Added proper detection of the AHA-1640 (MCA, now deleted)
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+ * Copyright (C) 2015 Ondrej Zary
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*/
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#include <linux/module.h>
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@@ -30,96 +11,44 @@
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/string.h>
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-#include <linux/ioport.h>
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#include <linux/delay.h>
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-#include <linux/proc_fs.h>
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#include <linux/init.h>
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#include <linux/spinlock.h>
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-#include <linux/isapnp.h>
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-#include <linux/blkdev.h>
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+#include <linux/isa.h>
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+#include <linux/pnp.h>
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#include <linux/slab.h>
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-
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+#include <linux/io.h>
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#include <asm/dma.h>
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-#include <asm/io.h>
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-
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-#include "scsi.h"
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+#include <scsi/scsi_cmnd.h>
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+#include <scsi/scsi_device.h>
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#include <scsi/scsi_host.h>
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#include "aha1542.h"
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-#define SCSI_BUF_PA(address) isa_virt_to_bus(address)
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-#define SCSI_SG_PA(sgent) (isa_page_to_bus(sg_page((sgent))) + (sgent)->offset)
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-
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-#include <linux/stat.h>
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-
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-#ifdef DEBUG
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-#define DEB(x) x
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-#else
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-#define DEB(x)
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-#endif
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-
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-/*
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- static const char RCSid[] = "$Header: /usr/src/linux/kernel/blk_drv/scsi/RCS/aha1542.c,v 1.1 1992/07/24 06:27:38 root Exp root $";
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- */
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-
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-/* The adaptec can be configured for quite a number of addresses, but
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- I generally do not want the card poking around at random. We allow
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- two addresses - this allows people to use the Adaptec with a Midi
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- card, which also used 0x330 -- can be overridden with LILO! */
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-
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-#define MAXBOARDS 4 /* Increase this and the sizes of the
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- arrays below, if you need more.. */
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-
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-/* Boards 3,4 slots are reserved for ISAPnP scans */
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-
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-static unsigned int bases[MAXBOARDS] __initdata = {0x330, 0x334, 0, 0};
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-
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-/* set by aha1542_setup according to the command line; they also may
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- be marked __initdata, but require zero initializers then */
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-
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-static int setup_called[MAXBOARDS];
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-static int setup_buson[MAXBOARDS];
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-static int setup_busoff[MAXBOARDS];
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-static int setup_dmaspeed[MAXBOARDS] __initdata = { -1, -1, -1, -1 };
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+#define MAXBOARDS 4
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-/*
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- * LILO/Module params: aha1542=<PORTBASE>[,<BUSON>,<BUSOFF>[,<DMASPEED>]]
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- *
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- * Where: <PORTBASE> is any of the valid AHA addresses:
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- * 0x130, 0x134, 0x230, 0x234, 0x330, 0x334
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- * <BUSON> is the time (in microsecs) that AHA spends on the AT-bus
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- * when transferring data. 1542A power-on default is 11us,
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- * valid values are in range: 2..15 (decimal)
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- * <BUSOFF> is the time that AHA spends OFF THE BUS after while
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- * it is transferring data (not to monopolize the bus).
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- * Power-on default is 4us, valid range: 1..64 microseconds.
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- * <DMASPEED> Default is jumper selected (1542A: on the J1),
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- * but experimenter can alter it with this.
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- * Valid values: 5, 6, 7, 8, 10 (MB/s)
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- * Factory default is 5 MB/s.
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- */
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-
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-#if defined(MODULE)
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-static bool isapnp = 0;
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-static int aha1542[] = {0x330, 11, 4, -1};
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-module_param_array(aha1542, int, NULL, 0);
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+static bool isapnp = 1;
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module_param(isapnp, bool, 0);
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+MODULE_PARM_DESC(isapnp, "enable PnP support (default=1)");
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-static struct isapnp_device_id id_table[] __initdata = {
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- {
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- ISAPNP_ANY_ID, ISAPNP_ANY_ID,
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- ISAPNP_VENDOR('A', 'D', 'P'), ISAPNP_FUNCTION(0x1542),
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- 0
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- },
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- {0}
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-};
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+static int io[MAXBOARDS] = { 0x330, 0x334, 0, 0 };
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+module_param_array(io, int, NULL, 0);
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+MODULE_PARM_DESC(io, "base IO address of controller (0x130,0x134,0x230,0x234,0x330,0x334, default=0x330,0x334)");
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-MODULE_DEVICE_TABLE(isapnp, id_table);
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+/* time AHA spends on the AT-bus during data transfer */
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+static int bus_on[MAXBOARDS] = { -1, -1, -1, -1 }; /* power-on default: 11us */
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+module_param_array(bus_on, int, NULL, 0);
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+MODULE_PARM_DESC(bus_on, "bus on time [us] (2-15, default=-1 [HW default: 11])");
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-#else
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-static int isapnp = 1;
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-#endif
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+/* time AHA spends off the bus (not to monopolize it) during data transfer */
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+static int bus_off[MAXBOARDS] = { -1, -1, -1, -1 }; /* power-on default: 4us */
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+module_param_array(bus_off, int, NULL, 0);
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+MODULE_PARM_DESC(bus_off, "bus off time [us] (1-64, default=-1 [HW default: 4])");
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+
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+/* default is jumper selected (J1 on 1542A), factory default = 5 MB/s */
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+static int dma_speed[MAXBOARDS] = { -1, -1, -1, -1 };
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+module_param_array(dma_speed, int, NULL, 0);
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+MODULE_PARM_DESC(dma_speed, "DMA speed [MB/s] (5,6,7,8,10, default=-1 [by jumper])");
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-#define BIOS_TRANSLATION_1632 0 /* Used by some old 1542A boards */
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#define BIOS_TRANSLATION_6432 1 /* Default case these days */
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#define BIOS_TRANSLATION_25563 2 /* Big disk case */
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@@ -128,134 +57,71 @@ struct aha1542_hostdata {
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int bios_translation; /* Mapping bios uses - for compatibility */
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int aha1542_last_mbi_used;
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int aha1542_last_mbo_used;
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- Scsi_Cmnd *SCint[AHA1542_MAILBOXES];
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+ struct scsi_cmnd *int_cmds[AHA1542_MAILBOXES];
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struct mailbox mb[2 * AHA1542_MAILBOXES];
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struct ccb ccb[AHA1542_MAILBOXES];
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};
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-#define HOSTDATA(host) ((struct aha1542_hostdata *) &host->hostdata)
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-
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-static DEFINE_SPINLOCK(aha1542_lock);
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-
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-
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-
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-#define WAITnexttimeout 3000000
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-
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-static void setup_mailboxes(int base_io, struct Scsi_Host *shpnt);
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-static int aha1542_restart(struct Scsi_Host *shost);
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-static void aha1542_intr_handle(struct Scsi_Host *shost);
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+static inline void aha1542_intr_reset(u16 base)
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+{
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+ outb(IRST, CONTROL(base));
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+}
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-#define aha1542_intr_reset(base) outb(IRST, CONTROL(base))
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+static inline bool wait_mask(u16 port, u8 mask, u8 allof, u8 noneof, int timeout)
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+{
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+ bool delayed = true;
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-#define WAIT(port, mask, allof, noneof) \
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- { register int WAITbits; \
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- register int WAITtimeout = WAITnexttimeout; \
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- while (1) { \
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- WAITbits = inb(port) & (mask); \
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- if ((WAITbits & (allof)) == (allof) && ((WAITbits & (noneof)) == 0)) \
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- break; \
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- if (--WAITtimeout == 0) goto fail; \
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- } \
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- }
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+ if (timeout == 0) {
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+ timeout = 3000000;
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+ delayed = false;
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+ }
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-/* Similar to WAIT, except we use the udelay call to regulate the
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- amount of time we wait. */
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-#define WAITd(port, mask, allof, noneof, timeout) \
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- { register int WAITbits; \
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- register int WAITtimeout = timeout; \
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- while (1) { \
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- WAITbits = inb(port) & (mask); \
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- if ((WAITbits & (allof)) == (allof) && ((WAITbits & (noneof)) == 0)) \
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- break; \
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- mdelay(1); \
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- if (--WAITtimeout == 0) goto fail; \
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- } \
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- }
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+ while (1) {
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+ u8 bits = inb(port) & mask;
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+ if ((bits & allof) == allof && ((bits & noneof) == 0))
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+ break;
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+ if (delayed)
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+ mdelay(1);
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+ if (--timeout == 0)
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+ return false;
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+ }
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-static void aha1542_stat(void)
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-{
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-/* int s = inb(STATUS), i = inb(INTRFLAGS);
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- printk("status=%x intrflags=%x\n", s, i, WAITnexttimeout-WAITtimeout); */
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+ return true;
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}
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-/* This is a bit complicated, but we need to make sure that an interrupt
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- routine does not send something out while we are in the middle of this.
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- Fortunately, it is only at boot time that multi-byte messages
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- are ever sent. */
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-static int aha1542_out(unsigned int base, unchar * cmdp, int len)
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+static int aha1542_outb(unsigned int base, u8 val)
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{
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- unsigned long flags = 0;
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- int got_lock;
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-
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- if (len == 1) {
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- got_lock = 0;
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- while (1 == 1) {
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- WAIT(STATUS(base), CDF, 0, CDF);
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- spin_lock_irqsave(&aha1542_lock, flags);
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- if (inb(STATUS(base)) & CDF) {
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- spin_unlock_irqrestore(&aha1542_lock, flags);
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- continue;
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- }
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- outb(*cmdp, DATA(base));
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- spin_unlock_irqrestore(&aha1542_lock, flags);
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- return 0;
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- }
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- } else {
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- spin_lock_irqsave(&aha1542_lock, flags);
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- got_lock = 1;
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- while (len--) {
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- WAIT(STATUS(base), CDF, 0, CDF);
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- outb(*cmdp++, DATA(base));
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- }
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- spin_unlock_irqrestore(&aha1542_lock, flags);
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- }
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+ if (!wait_mask(STATUS(base), CDF, 0, CDF, 0))
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+ return 1;
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+ outb(val, DATA(base));
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+
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return 0;
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-fail:
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- if (got_lock)
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- spin_unlock_irqrestore(&aha1542_lock, flags);
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- printk(KERN_ERR "aha1542_out failed(%d): ", len + 1);
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- aha1542_stat();
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- return 1;
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}
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-/* Only used at boot time, so we do not need to worry about latency as much
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- here */
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-
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-static int __init aha1542_in(unsigned int base, unchar * cmdp, int len)
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+static int aha1542_out(unsigned int base, u8 *buf, int len)
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{
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- unsigned long flags;
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-
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- spin_lock_irqsave(&aha1542_lock, flags);
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while (len--) {
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- WAIT(STATUS(base), DF, DF, 0);
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- *cmdp++ = inb(DATA(base));
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+ if (!wait_mask(STATUS(base), CDF, 0, CDF, 0))
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+ return 1;
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+ outb(*buf++, DATA(base));
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}
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- spin_unlock_irqrestore(&aha1542_lock, flags);
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+ if (!wait_mask(INTRFLAGS(base), INTRMASK, HACC, 0, 0))
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+ return 1;
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+
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return 0;
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-fail:
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- spin_unlock_irqrestore(&aha1542_lock, flags);
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- printk(KERN_ERR "aha1542_in failed(%d): ", len + 1);
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- aha1542_stat();
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- return 1;
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}
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-/* Similar to aha1542_in, except that we wait a very short period of time.
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- We use this if we know the board is alive and awake, but we are not sure
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- if the board will respond to the command we are about to send or not */
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-static int __init aha1542_in1(unsigned int base, unchar * cmdp, int len)
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-{
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- unsigned long flags;
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+/* Only used at boot time, so we do not need to worry about latency as much
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+ here */
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- spin_lock_irqsave(&aha1542_lock, flags);
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+static int aha1542_in(unsigned int base, u8 *buf, int len, int timeout)
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+{
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while (len--) {
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- WAITd(STATUS(base), DF, DF, 0, 100);
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- *cmdp++ = inb(DATA(base));
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+ if (!wait_mask(STATUS(base), DF, DF, 0, timeout))
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+ return 1;
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+ *buf++ = inb(DATA(base));
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}
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- spin_unlock_irqrestore(&aha1542_lock, flags);
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return 0;
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-fail:
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- spin_unlock_irqrestore(&aha1542_lock, flags);
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- return 1;
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}
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static int makecode(unsigned hosterr, unsigned scsierr)
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@@ -297,7 +163,9 @@ static int makecode(unsigned hosterr, unsigned scsierr)
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case 0x1a: /* Invalid CCB or Segment List Parameter-A segment list with a zero
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length segment or invalid segment list boundaries was received.
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A CCB parameter was invalid. */
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- DEB(printk("Aha1542: %x %x\n", hosterr, scsierr));
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+#ifdef DEBUG
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+ printk("Aha1542: %x %x\n", hosterr, scsierr);
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+#endif
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hosterr = DID_ERROR; /* Couldn't find any better */
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break;
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@@ -314,106 +182,74 @@ static int makecode(unsigned hosterr, unsigned scsierr)
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return scsierr | (hosterr << 16);
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}
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-static int __init aha1542_test_port(int bse, struct Scsi_Host *shpnt)
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+static int aha1542_test_port(struct Scsi_Host *sh)
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{
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- unchar inquiry_cmd[] = {CMD_INQUIRY};
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- unchar inquiry_result[4];
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- unchar *cmdp;
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- int len;
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- volatile int debug = 0;
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+ u8 inquiry_result[4];
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+ int i;
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/* Quick and dirty test for presence of the card. */
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- if (inb(STATUS(bse)) == 0xff)
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+ if (inb(STATUS(sh->io_port)) == 0xff)
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return 0;
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/* Reset the adapter. I ought to make a hard reset, but it's not really necessary */
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- /* DEB(printk("aha1542_test_port called \n")); */
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-
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/* In case some other card was probing here, reset interrupts */
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- aha1542_intr_reset(bse); /* reset interrupts, so they don't block */
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+ aha1542_intr_reset(sh->io_port); /* reset interrupts, so they don't block */
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- outb(SRST | IRST /*|SCRST */ , CONTROL(bse));
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+ outb(SRST | IRST /*|SCRST */ , CONTROL(sh->io_port));
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mdelay(20); /* Wait a little bit for things to settle down. */
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|
|
|
|
|
- debug = 1;
|
|
|
/* Expect INIT and IDLE, any of the others are bad */
|
|
|
- WAIT(STATUS(bse), STATMASK, INIT | IDLE, STST | DIAGF | INVDCMD | DF | CDF);
|
|
|
+ if (!wait_mask(STATUS(sh->io_port), STATMASK, INIT | IDLE, STST | DIAGF | INVDCMD | DF | CDF, 0))
|
|
|
+ return 0;
|
|
|
|
|
|
- debug = 2;
|
|
|
/* Shouldn't have generated any interrupts during reset */
|
|
|
- if (inb(INTRFLAGS(bse)) & INTRMASK)
|
|
|
- goto fail;
|
|
|
-
|
|
|
+ if (inb(INTRFLAGS(sh->io_port)) & INTRMASK)
|
|
|
+ return 0;
|
|
|
|
|
|
/* Perform a host adapter inquiry instead so we do not need to set
|
|
|
up the mailboxes ahead of time */
|
|
|
|
|
|
- aha1542_out(bse, inquiry_cmd, 1);
|
|
|
-
|
|
|
- debug = 3;
|
|
|
- len = 4;
|
|
|
- cmdp = &inquiry_result[0];
|
|
|
+ aha1542_outb(sh->io_port, CMD_INQUIRY);
|
|
|
|
|
|
- while (len--) {
|
|
|
- WAIT(STATUS(bse), DF, DF, 0);
|
|
|
- *cmdp++ = inb(DATA(bse));
|
|
|
+ for (i = 0; i < 4; i++) {
|
|
|
+ if (!wait_mask(STATUS(sh->io_port), DF, DF, 0, 0))
|
|
|
+ return 0;
|
|
|
+ inquiry_result[i] = inb(DATA(sh->io_port));
|
|
|
}
|
|
|
|
|
|
- debug = 8;
|
|
|
/* Reading port should reset DF */
|
|
|
- if (inb(STATUS(bse)) & DF)
|
|
|
- goto fail;
|
|
|
+ if (inb(STATUS(sh->io_port)) & DF)
|
|
|
+ return 0;
|
|
|
|
|
|
- debug = 9;
|
|
|
/* When HACC, command is completed, and we're though testing */
|
|
|
- WAIT(INTRFLAGS(bse), HACC, HACC, 0);
|
|
|
- /* now initialize adapter */
|
|
|
+ if (!wait_mask(INTRFLAGS(sh->io_port), HACC, HACC, 0, 0))
|
|
|
+ return 0;
|
|
|
|
|
|
- debug = 10;
|
|
|
/* Clear interrupts */
|
|
|
- outb(IRST, CONTROL(bse));
|
|
|
-
|
|
|
- debug = 11;
|
|
|
-
|
|
|
- return debug; /* 1 = ok */
|
|
|
-fail:
|
|
|
- return 0; /* 0 = not ok */
|
|
|
-}
|
|
|
+ outb(IRST, CONTROL(sh->io_port));
|
|
|
|
|
|
-/* A quick wrapper for do_aha1542_intr_handle to grab the spin lock */
|
|
|
-static irqreturn_t do_aha1542_intr_handle(int dummy, void *dev_id)
|
|
|
-{
|
|
|
- unsigned long flags;
|
|
|
- struct Scsi_Host *shost = dev_id;
|
|
|
-
|
|
|
- spin_lock_irqsave(shost->host_lock, flags);
|
|
|
- aha1542_intr_handle(shost);
|
|
|
- spin_unlock_irqrestore(shost->host_lock, flags);
|
|
|
- return IRQ_HANDLED;
|
|
|
+ return 1;
|
|
|
}
|
|
|
|
|
|
-/* A "high" level interrupt handler */
|
|
|
-static void aha1542_intr_handle(struct Scsi_Host *shost)
|
|
|
+static irqreturn_t aha1542_interrupt(int irq, void *dev_id)
|
|
|
{
|
|
|
- void (*my_done) (Scsi_Cmnd *) = NULL;
|
|
|
+ struct Scsi_Host *sh = dev_id;
|
|
|
+ struct aha1542_hostdata *aha1542 = shost_priv(sh);
|
|
|
+ void (*my_done)(struct scsi_cmnd *) = NULL;
|
|
|
int errstatus, mbi, mbo, mbistatus;
|
|
|
int number_serviced;
|
|
|
unsigned long flags;
|
|
|
- Scsi_Cmnd *SCtmp;
|
|
|
+ struct scsi_cmnd *tmp_cmd;
|
|
|
int flag;
|
|
|
- int needs_restart;
|
|
|
- struct mailbox *mb;
|
|
|
- struct ccb *ccb;
|
|
|
-
|
|
|
- mb = HOSTDATA(shost)->mb;
|
|
|
- ccb = HOSTDATA(shost)->ccb;
|
|
|
+ struct mailbox *mb = aha1542->mb;
|
|
|
+ struct ccb *ccb = aha1542->ccb;
|
|
|
|
|
|
#ifdef DEBUG
|
|
|
{
|
|
|
- flag = inb(INTRFLAGS(shost->io_port));
|
|
|
- printk(KERN_DEBUG "aha1542_intr_handle: ");
|
|
|
+ flag = inb(INTRFLAGS(sh->io_port));
|
|
|
+ shost_printk(KERN_DEBUG, sh, "aha1542_intr_handle: ");
|
|
|
if (!(flag & ANYINTR))
|
|
|
printk("no interrupt?");
|
|
|
if (flag & MBIF)
|
|
@@ -424,14 +260,14 @@ static void aha1542_intr_handle(struct Scsi_Host *shost)
|
|
|
printk("HACC ");
|
|
|
if (flag & SCRD)
|
|
|
printk("SCRD ");
|
|
|
- printk("status %02x\n", inb(STATUS(shost->io_port)));
|
|
|
+ printk("status %02x\n", inb(STATUS(sh->io_port)));
|
|
|
};
|
|
|
#endif
|
|
|
number_serviced = 0;
|
|
|
- needs_restart = 0;
|
|
|
|
|
|
- while (1 == 1) {
|
|
|
- flag = inb(INTRFLAGS(shost->io_port));
|
|
|
+ spin_lock_irqsave(sh->host_lock, flags);
|
|
|
+ while (1) {
|
|
|
+ flag = inb(INTRFLAGS(sh->io_port));
|
|
|
|
|
|
/* Check for unusual interrupts. If any of these happen, we should
|
|
|
probably do something special, but for now just printing a message
|
|
@@ -442,15 +278,12 @@ static void aha1542_intr_handle(struct Scsi_Host *shost)
|
|
|
printk("MBOF ");
|
|
|
if (flag & HACC)
|
|
|
printk("HACC ");
|
|
|
- if (flag & SCRD) {
|
|
|
- needs_restart = 1;
|
|
|
+ if (flag & SCRD)
|
|
|
printk("SCRD ");
|
|
|
- }
|
|
|
}
|
|
|
- aha1542_intr_reset(shost->io_port);
|
|
|
+ aha1542_intr_reset(sh->io_port);
|
|
|
|
|
|
- spin_lock_irqsave(&aha1542_lock, flags);
|
|
|
- mbi = HOSTDATA(shost)->aha1542_last_mbi_used + 1;
|
|
|
+ mbi = aha1542->aha1542_last_mbi_used + 1;
|
|
|
if (mbi >= 2 * AHA1542_MAILBOXES)
|
|
|
mbi = AHA1542_MAILBOXES;
|
|
|
|
|
@@ -460,57 +293,51 @@ static void aha1542_intr_handle(struct Scsi_Host *shost)
|
|
|
mbi++;
|
|
|
if (mbi >= 2 * AHA1542_MAILBOXES)
|
|
|
mbi = AHA1542_MAILBOXES;
|
|
|
- } while (mbi != HOSTDATA(shost)->aha1542_last_mbi_used);
|
|
|
+ } while (mbi != aha1542->aha1542_last_mbi_used);
|
|
|
|
|
|
if (mb[mbi].status == 0) {
|
|
|
- spin_unlock_irqrestore(&aha1542_lock, flags);
|
|
|
+ spin_unlock_irqrestore(sh->host_lock, flags);
|
|
|
/* Hmm, no mail. Must have read it the last time around */
|
|
|
- if (!number_serviced && !needs_restart)
|
|
|
- printk(KERN_WARNING "aha1542.c: interrupt received, but no mail.\n");
|
|
|
- /* We detected a reset. Restart all pending commands for
|
|
|
- devices that use the hard reset option */
|
|
|
- if (needs_restart)
|
|
|
- aha1542_restart(shost);
|
|
|
- return;
|
|
|
+ if (!number_serviced)
|
|
|
+ shost_printk(KERN_WARNING, sh, "interrupt received, but no mail.\n");
|
|
|
+ return IRQ_HANDLED;
|
|
|
};
|
|
|
|
|
|
- mbo = (scsi2int(mb[mbi].ccbptr) - (SCSI_BUF_PA(&ccb[0]))) / sizeof(struct ccb);
|
|
|
+ mbo = (scsi2int(mb[mbi].ccbptr) - (isa_virt_to_bus(&ccb[0]))) / sizeof(struct ccb);
|
|
|
mbistatus = mb[mbi].status;
|
|
|
mb[mbi].status = 0;
|
|
|
- HOSTDATA(shost)->aha1542_last_mbi_used = mbi;
|
|
|
- spin_unlock_irqrestore(&aha1542_lock, flags);
|
|
|
+ aha1542->aha1542_last_mbi_used = mbi;
|
|
|
|
|
|
#ifdef DEBUG
|
|
|
- {
|
|
|
- if (ccb[mbo].tarstat | ccb[mbo].hastat)
|
|
|
- printk(KERN_DEBUG "aha1542_command: returning %x (status %d)\n",
|
|
|
- ccb[mbo].tarstat + ((int) ccb[mbo].hastat << 16), mb[mbi].status);
|
|
|
- };
|
|
|
+ if (ccb[mbo].tarstat | ccb[mbo].hastat)
|
|
|
+ shost_printk(KERN_DEBUG, sh, "aha1542_command: returning %x (status %d)\n",
|
|
|
+ ccb[mbo].tarstat + ((int) ccb[mbo].hastat << 16), mb[mbi].status);
|
|
|
#endif
|
|
|
|
|
|
if (mbistatus == 3)
|
|
|
continue; /* Aborted command not found */
|
|
|
|
|
|
#ifdef DEBUG
|
|
|
- printk(KERN_DEBUG "...done %d %d\n", mbo, mbi);
|
|
|
+ shost_printk(KERN_DEBUG, sh, "...done %d %d\n", mbo, mbi);
|
|
|
#endif
|
|
|
|
|
|
- SCtmp = HOSTDATA(shost)->SCint[mbo];
|
|
|
+ tmp_cmd = aha1542->int_cmds[mbo];
|
|
|
|
|
|
- if (!SCtmp || !SCtmp->scsi_done) {
|
|
|
- printk(KERN_WARNING "aha1542_intr_handle: Unexpected interrupt\n");
|
|
|
- printk(KERN_WARNING "tarstat=%x, hastat=%x idlun=%x ccb#=%d \n", ccb[mbo].tarstat,
|
|
|
+ if (!tmp_cmd || !tmp_cmd->scsi_done) {
|
|
|
+ spin_unlock_irqrestore(sh->host_lock, flags);
|
|
|
+ shost_printk(KERN_WARNING, sh, "Unexpected interrupt\n");
|
|
|
+ shost_printk(KERN_WARNING, sh, "tarstat=%x, hastat=%x idlun=%x ccb#=%d\n", ccb[mbo].tarstat,
|
|
|
ccb[mbo].hastat, ccb[mbo].idlun, mbo);
|
|
|
- return;
|
|
|
+ return IRQ_HANDLED;
|
|
|
}
|
|
|
- my_done = SCtmp->scsi_done;
|
|
|
- kfree(SCtmp->host_scribble);
|
|
|
- SCtmp->host_scribble = NULL;
|
|
|
+ my_done = tmp_cmd->scsi_done;
|
|
|
+ kfree(tmp_cmd->host_scribble);
|
|
|
+ tmp_cmd->host_scribble = NULL;
|
|
|
/* Fetch the sense data, and tuck it away, in the required slot. The
|
|
|
Adaptec automatically fetches it, and there is no guarantee that
|
|
|
we will still have it in the cdb when we come back */
|
|
|
if (ccb[mbo].tarstat == 2)
|
|
|
- memcpy(SCtmp->sense_buffer, &ccb[mbo].cdb[ccb[mbo].cdblen],
|
|
|
+ memcpy(tmp_cmd->sense_buffer, &ccb[mbo].cdb[ccb[mbo].cdblen],
|
|
|
SCSI_SENSE_BUFFERSIZE);
|
|
|
|
|
|
|
|
@@ -525,166 +352,122 @@ static void aha1542_intr_handle(struct Scsi_Host *shost)
|
|
|
|
|
|
#ifdef DEBUG
|
|
|
if (errstatus)
|
|
|
- printk(KERN_DEBUG "(aha1542 error:%x %x %x) ", errstatus,
|
|
|
+ shost_printk(KERN_DEBUG, sh, "(aha1542 error:%x %x %x) ", errstatus,
|
|
|
ccb[mbo].hastat, ccb[mbo].tarstat);
|
|
|
+ if (ccb[mbo].tarstat == 2)
|
|
|
+ print_hex_dump_bytes("sense: ", DUMP_PREFIX_NONE, &ccb[mbo].cdb[ccb[mbo].cdblen], 12);
|
|
|
+ if (errstatus)
|
|
|
+ printk("aha1542_intr_handle: returning %6x\n", errstatus);
|
|
|
#endif
|
|
|
-
|
|
|
- if (ccb[mbo].tarstat == 2) {
|
|
|
-#ifdef DEBUG
|
|
|
- int i;
|
|
|
-#endif
|
|
|
- DEB(printk("aha1542_intr_handle: sense:"));
|
|
|
-#ifdef DEBUG
|
|
|
- for (i = 0; i < 12; i++)
|
|
|
- printk("%02x ", ccb[mbo].cdb[ccb[mbo].cdblen + i]);
|
|
|
- printk("\n");
|
|
|
-#endif
|
|
|
- /*
|
|
|
- DEB(printk("aha1542_intr_handle: buf:"));
|
|
|
- for (i = 0; i < bufflen; i++)
|
|
|
- printk("%02x ", ((unchar *)buff)[i]);
|
|
|
- printk("\n");
|
|
|
- */
|
|
|
- }
|
|
|
- DEB(if (errstatus) printk("aha1542_intr_handle: returning %6x\n", errstatus));
|
|
|
- SCtmp->result = errstatus;
|
|
|
- HOSTDATA(shost)->SCint[mbo] = NULL; /* This effectively frees up the mailbox slot, as
|
|
|
- far as queuecommand is concerned */
|
|
|
- my_done(SCtmp);
|
|
|
+ tmp_cmd->result = errstatus;
|
|
|
+ aha1542->int_cmds[mbo] = NULL; /* This effectively frees up the mailbox slot, as
|
|
|
+ far as queuecommand is concerned */
|
|
|
+ my_done(tmp_cmd);
|
|
|
number_serviced++;
|
|
|
};
|
|
|
}
|
|
|
|
|
|
-static int aha1542_queuecommand_lck(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *))
|
|
|
+static int aha1542_queuecommand(struct Scsi_Host *sh, struct scsi_cmnd *cmd)
|
|
|
{
|
|
|
- unchar ahacmd = CMD_START_SCSI;
|
|
|
- unchar direction;
|
|
|
- unchar *cmd = (unchar *) SCpnt->cmnd;
|
|
|
- unchar target = SCpnt->device->id;
|
|
|
- unchar lun = SCpnt->device->lun;
|
|
|
+ struct aha1542_hostdata *aha1542 = shost_priv(sh);
|
|
|
+ u8 direction;
|
|
|
+ u8 target = cmd->device->id;
|
|
|
+ u8 lun = cmd->device->lun;
|
|
|
unsigned long flags;
|
|
|
- int bufflen = scsi_bufflen(SCpnt);
|
|
|
+ int bufflen = scsi_bufflen(cmd);
|
|
|
int mbo;
|
|
|
- struct mailbox *mb;
|
|
|
- struct ccb *ccb;
|
|
|
+ struct mailbox *mb = aha1542->mb;
|
|
|
+ struct ccb *ccb = aha1542->ccb;
|
|
|
|
|
|
- DEB(int i);
|
|
|
-
|
|
|
- mb = HOSTDATA(SCpnt->device->host)->mb;
|
|
|
- ccb = HOSTDATA(SCpnt->device->host)->ccb;
|
|
|
-
|
|
|
- DEB(if (target > 1) {
|
|
|
- SCpnt->result = DID_TIME_OUT << 16;
|
|
|
- done(SCpnt); return 0;
|
|
|
- }
|
|
|
- );
|
|
|
-
|
|
|
- if (*cmd == REQUEST_SENSE) {
|
|
|
+ if (*cmd->cmnd == REQUEST_SENSE) {
|
|
|
/* Don't do the command - we have the sense data already */
|
|
|
-#if 0
|
|
|
- /* scsi_request_sense() provides a buffer of size 256,
|
|
|
- so there is no reason to expect equality */
|
|
|
- if (bufflen != SCSI_SENSE_BUFFERSIZE)
|
|
|
- printk(KERN_CRIT "aha1542: Wrong buffer length supplied "
|
|
|
- "for request sense (%d)\n", bufflen);
|
|
|
-#endif
|
|
|
- SCpnt->result = 0;
|
|
|
- done(SCpnt);
|
|
|
+ cmd->result = 0;
|
|
|
+ cmd->scsi_done(cmd);
|
|
|
return 0;
|
|
|
}
|
|
|
#ifdef DEBUG
|
|
|
- if (*cmd == READ_10 || *cmd == WRITE_10)
|
|
|
- i = xscsi2int(cmd + 2);
|
|
|
- else if (*cmd == READ_6 || *cmd == WRITE_6)
|
|
|
- i = scsi2int(cmd + 2);
|
|
|
- else
|
|
|
- i = -1;
|
|
|
- if (done)
|
|
|
- printk(KERN_DEBUG "aha1542_queuecommand: dev %d cmd %02x pos %d len %d ", target, *cmd, i, bufflen);
|
|
|
- else
|
|
|
- printk(KERN_DEBUG "aha1542_command: dev %d cmd %02x pos %d len %d ", target, *cmd, i, bufflen);
|
|
|
- aha1542_stat();
|
|
|
- printk(KERN_DEBUG "aha1542_queuecommand: dumping scsi cmd:");
|
|
|
- for (i = 0; i < SCpnt->cmd_len; i++)
|
|
|
- printk("%02x ", cmd[i]);
|
|
|
- printk("\n");
|
|
|
- if (*cmd == WRITE_10 || *cmd == WRITE_6)
|
|
|
- return 0; /* we are still testing, so *don't* write */
|
|
|
+ {
|
|
|
+ int i = -1;
|
|
|
+ if (*cmd->cmnd == READ_10 || *cmd->cmnd == WRITE_10)
|
|
|
+ i = xscsi2int(cmd->cmnd + 2);
|
|
|
+ else if (*cmd->cmnd == READ_6 || *cmd->cmnd == WRITE_6)
|
|
|
+ i = scsi2int(cmd->cmnd + 2);
|
|
|
+ shost_printk(KERN_DEBUG, sh, "aha1542_queuecommand: dev %d cmd %02x pos %d len %d",
|
|
|
+ target, *cmd->cmnd, i, bufflen);
|
|
|
+ print_hex_dump_bytes("command: ", DUMP_PREFIX_NONE, cmd->cmnd, cmd->cmd_len);
|
|
|
+ }
|
|
|
#endif
|
|
|
/* Use the outgoing mailboxes in a round-robin fashion, because this
|
|
|
is how the host adapter will scan for them */
|
|
|
|
|
|
- spin_lock_irqsave(&aha1542_lock, flags);
|
|
|
- mbo = HOSTDATA(SCpnt->device->host)->aha1542_last_mbo_used + 1;
|
|
|
+ spin_lock_irqsave(sh->host_lock, flags);
|
|
|
+ mbo = aha1542->aha1542_last_mbo_used + 1;
|
|
|
if (mbo >= AHA1542_MAILBOXES)
|
|
|
mbo = 0;
|
|
|
|
|
|
do {
|
|
|
- if (mb[mbo].status == 0 && HOSTDATA(SCpnt->device->host)->SCint[mbo] == NULL)
|
|
|
+ if (mb[mbo].status == 0 && aha1542->int_cmds[mbo] == NULL)
|
|
|
break;
|
|
|
mbo++;
|
|
|
if (mbo >= AHA1542_MAILBOXES)
|
|
|
mbo = 0;
|
|
|
- } while (mbo != HOSTDATA(SCpnt->device->host)->aha1542_last_mbo_used);
|
|
|
+ } while (mbo != aha1542->aha1542_last_mbo_used);
|
|
|
|
|
|
- if (mb[mbo].status || HOSTDATA(SCpnt->device->host)->SCint[mbo])
|
|
|
+ if (mb[mbo].status || aha1542->int_cmds[mbo])
|
|
|
panic("Unable to find empty mailbox for aha1542.\n");
|
|
|
|
|
|
- HOSTDATA(SCpnt->device->host)->SCint[mbo] = SCpnt; /* This will effectively prevent someone else from
|
|
|
- screwing with this cdb. */
|
|
|
+ aha1542->int_cmds[mbo] = cmd; /* This will effectively prevent someone else from
|
|
|
+ screwing with this cdb. */
|
|
|
|
|
|
- HOSTDATA(SCpnt->device->host)->aha1542_last_mbo_used = mbo;
|
|
|
- spin_unlock_irqrestore(&aha1542_lock, flags);
|
|
|
+ aha1542->aha1542_last_mbo_used = mbo;
|
|
|
|
|
|
#ifdef DEBUG
|
|
|
- printk(KERN_DEBUG "Sending command (%d %x)...", mbo, done);
|
|
|
+ shost_printk(KERN_DEBUG, sh, "Sending command (%d %p)...", mbo, cmd->scsi_done);
|
|
|
#endif
|
|
|
|
|
|
- any2scsi(mb[mbo].ccbptr, SCSI_BUF_PA(&ccb[mbo])); /* This gets trashed for some reason */
|
|
|
+ any2scsi(mb[mbo].ccbptr, isa_virt_to_bus(&ccb[mbo])); /* This gets trashed for some reason */
|
|
|
|
|
|
memset(&ccb[mbo], 0, sizeof(struct ccb));
|
|
|
|
|
|
- ccb[mbo].cdblen = SCpnt->cmd_len;
|
|
|
+ ccb[mbo].cdblen = cmd->cmd_len;
|
|
|
|
|
|
direction = 0;
|
|
|
- if (*cmd == READ_10 || *cmd == READ_6)
|
|
|
+ if (*cmd->cmnd == READ_10 || *cmd->cmnd == READ_6)
|
|
|
direction = 8;
|
|
|
- else if (*cmd == WRITE_10 || *cmd == WRITE_6)
|
|
|
+ else if (*cmd->cmnd == WRITE_10 || *cmd->cmnd == WRITE_6)
|
|
|
direction = 16;
|
|
|
|
|
|
- memcpy(ccb[mbo].cdb, cmd, ccb[mbo].cdblen);
|
|
|
+ memcpy(ccb[mbo].cdb, cmd->cmnd, ccb[mbo].cdblen);
|
|
|
|
|
|
if (bufflen) {
|
|
|
struct scatterlist *sg;
|
|
|
struct chain *cptr;
|
|
|
-#ifdef DEBUG
|
|
|
- unsigned char *ptr;
|
|
|
-#endif
|
|
|
- int i, sg_count = scsi_sg_count(SCpnt);
|
|
|
+ int i, sg_count = scsi_sg_count(cmd);
|
|
|
+
|
|
|
ccb[mbo].op = 2; /* SCSI Initiator Command w/scatter-gather */
|
|
|
- SCpnt->host_scribble = kmalloc(sizeof(*cptr)*sg_count,
|
|
|
+ cmd->host_scribble = kmalloc(sizeof(*cptr)*sg_count,
|
|
|
GFP_KERNEL | GFP_DMA);
|
|
|
- cptr = (struct chain *) SCpnt->host_scribble;
|
|
|
+ cptr = (struct chain *) cmd->host_scribble;
|
|
|
if (cptr == NULL) {
|
|
|
/* free the claimed mailbox slot */
|
|
|
- HOSTDATA(SCpnt->device->host)->SCint[mbo] = NULL;
|
|
|
+ aha1542->int_cmds[mbo] = NULL;
|
|
|
+ spin_unlock_irqrestore(sh->host_lock, flags);
|
|
|
return SCSI_MLQUEUE_HOST_BUSY;
|
|
|
}
|
|
|
- scsi_for_each_sg(SCpnt, sg, sg_count, i) {
|
|
|
- any2scsi(cptr[i].dataptr, SCSI_SG_PA(sg));
|
|
|
+ scsi_for_each_sg(cmd, sg, sg_count, i) {
|
|
|
+ any2scsi(cptr[i].dataptr, isa_page_to_bus(sg_page(sg))
|
|
|
+ + sg->offset);
|
|
|
any2scsi(cptr[i].datalen, sg->length);
|
|
|
};
|
|
|
any2scsi(ccb[mbo].datalen, sg_count * sizeof(struct chain));
|
|
|
- any2scsi(ccb[mbo].dataptr, SCSI_BUF_PA(cptr));
|
|
|
+ any2scsi(ccb[mbo].dataptr, isa_virt_to_bus(cptr));
|
|
|
#ifdef DEBUG
|
|
|
- printk("cptr %x: ", cptr);
|
|
|
- ptr = (unsigned char *) cptr;
|
|
|
- for (i = 0; i < 18; i++)
|
|
|
- printk("%02x ", ptr[i]);
|
|
|
+ shost_printk(KERN_DEBUG, sh, "cptr %p: ", cptr);
|
|
|
+ print_hex_dump_bytes("cptr: ", DUMP_PREFIX_NONE, cptr, 18);
|
|
|
#endif
|
|
|
} else {
|
|
|
ccb[mbo].op = 0; /* SCSI Initiator Command */
|
|
|
- SCpnt->host_scribble = NULL;
|
|
|
+ cmd->host_scribble = NULL;
|
|
|
any2scsi(ccb[mbo].datalen, 0);
|
|
|
any2scsi(ccb[mbo].dataptr, 0);
|
|
|
};
|
|
@@ -694,139 +477,116 @@ static int aha1542_queuecommand_lck(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *
|
|
|
ccb[mbo].commlinkid = 0;
|
|
|
|
|
|
#ifdef DEBUG
|
|
|
- {
|
|
|
- int i;
|
|
|
- printk(KERN_DEBUG "aha1542_command: sending.. ");
|
|
|
- for (i = 0; i < sizeof(ccb[mbo]) - 10; i++)
|
|
|
- printk("%02x ", ((unchar *) & ccb[mbo])[i]);
|
|
|
- };
|
|
|
+ print_hex_dump_bytes("sending: ", DUMP_PREFIX_NONE, &ccb[mbo], sizeof(ccb[mbo]) - 10);
|
|
|
+ printk("aha1542_queuecommand: now waiting for interrupt ");
|
|
|
#endif
|
|
|
-
|
|
|
- if (done) {
|
|
|
- DEB(printk("aha1542_queuecommand: now waiting for interrupt ");
|
|
|
- aha1542_stat());
|
|
|
- SCpnt->scsi_done = done;
|
|
|
- mb[mbo].status = 1;
|
|
|
- aha1542_out(SCpnt->device->host->io_port, &ahacmd, 1); /* start scsi command */
|
|
|
- DEB(aha1542_stat());
|
|
|
- } else
|
|
|
- printk("aha1542_queuecommand: done can't be NULL\n");
|
|
|
+ mb[mbo].status = 1;
|
|
|
+ aha1542_outb(cmd->device->host->io_port, CMD_START_SCSI);
|
|
|
+ spin_unlock_irqrestore(sh->host_lock, flags);
|
|
|
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
-static DEF_SCSI_QCMD(aha1542_queuecommand)
|
|
|
-
|
|
|
/* Initialize mailboxes */
|
|
|
-static void setup_mailboxes(int bse, struct Scsi_Host *shpnt)
|
|
|
+static void setup_mailboxes(struct Scsi_Host *sh)
|
|
|
{
|
|
|
+ struct aha1542_hostdata *aha1542 = shost_priv(sh);
|
|
|
int i;
|
|
|
- struct mailbox *mb;
|
|
|
- struct ccb *ccb;
|
|
|
-
|
|
|
- unchar cmd[5] = { CMD_MBINIT, AHA1542_MAILBOXES, 0, 0, 0};
|
|
|
+ struct mailbox *mb = aha1542->mb;
|
|
|
+ struct ccb *ccb = aha1542->ccb;
|
|
|
|
|
|
- mb = HOSTDATA(shpnt)->mb;
|
|
|
- ccb = HOSTDATA(shpnt)->ccb;
|
|
|
+ u8 mb_cmd[5] = { CMD_MBINIT, AHA1542_MAILBOXES, 0, 0, 0};
|
|
|
|
|
|
for (i = 0; i < AHA1542_MAILBOXES; i++) {
|
|
|
mb[i].status = mb[AHA1542_MAILBOXES + i].status = 0;
|
|
|
- any2scsi(mb[i].ccbptr, SCSI_BUF_PA(&ccb[i]));
|
|
|
+ any2scsi(mb[i].ccbptr, isa_virt_to_bus(&ccb[i]));
|
|
|
};
|
|
|
- aha1542_intr_reset(bse); /* reset interrupts, so they don't block */
|
|
|
- any2scsi((cmd + 2), SCSI_BUF_PA(mb));
|
|
|
- aha1542_out(bse, cmd, 5);
|
|
|
- WAIT(INTRFLAGS(bse), INTRMASK, HACC, 0);
|
|
|
- while (0) {
|
|
|
-fail:
|
|
|
- printk(KERN_ERR "aha1542_detect: failed setting up mailboxes\n");
|
|
|
- }
|
|
|
- aha1542_intr_reset(bse);
|
|
|
+ aha1542_intr_reset(sh->io_port); /* reset interrupts, so they don't block */
|
|
|
+ any2scsi((mb_cmd + 2), isa_virt_to_bus(mb));
|
|
|
+ if (aha1542_out(sh->io_port, mb_cmd, 5))
|
|
|
+ shost_printk(KERN_ERR, sh, "failed setting up mailboxes\n");
|
|
|
+ aha1542_intr_reset(sh->io_port);
|
|
|
}
|
|
|
|
|
|
-static int __init aha1542_getconfig(int base_io, unsigned char *irq_level, unsigned char *dma_chan, unsigned char *scsi_id)
|
|
|
+static int aha1542_getconfig(struct Scsi_Host *sh)
|
|
|
{
|
|
|
- unchar inquiry_cmd[] = {CMD_RETCONF};
|
|
|
- unchar inquiry_result[3];
|
|
|
+ u8 inquiry_result[3];
|
|
|
int i;
|
|
|
- i = inb(STATUS(base_io));
|
|
|
+ i = inb(STATUS(sh->io_port));
|
|
|
if (i & DF) {
|
|
|
- i = inb(DATA(base_io));
|
|
|
+ i = inb(DATA(sh->io_port));
|
|
|
};
|
|
|
- aha1542_out(base_io, inquiry_cmd, 1);
|
|
|
- aha1542_in(base_io, inquiry_result, 3);
|
|
|
- WAIT(INTRFLAGS(base_io), INTRMASK, HACC, 0);
|
|
|
- while (0) {
|
|
|
-fail:
|
|
|
- printk(KERN_ERR "aha1542_detect: query board settings\n");
|
|
|
- }
|
|
|
- aha1542_intr_reset(base_io);
|
|
|
+ aha1542_outb(sh->io_port, CMD_RETCONF);
|
|
|
+ aha1542_in(sh->io_port, inquiry_result, 3, 0);
|
|
|
+ if (!wait_mask(INTRFLAGS(sh->io_port), INTRMASK, HACC, 0, 0))
|
|
|
+ shost_printk(KERN_ERR, sh, "error querying board settings\n");
|
|
|
+ aha1542_intr_reset(sh->io_port);
|
|
|
switch (inquiry_result[0]) {
|
|
|
case 0x80:
|
|
|
- *dma_chan = 7;
|
|
|
+ sh->dma_channel = 7;
|
|
|
break;
|
|
|
case 0x40:
|
|
|
- *dma_chan = 6;
|
|
|
+ sh->dma_channel = 6;
|
|
|
break;
|
|
|
case 0x20:
|
|
|
- *dma_chan = 5;
|
|
|
+ sh->dma_channel = 5;
|
|
|
break;
|
|
|
case 0x01:
|
|
|
- *dma_chan = 0;
|
|
|
+ sh->dma_channel = 0;
|
|
|
break;
|
|
|
case 0:
|
|
|
/* This means that the adapter, although Adaptec 1542 compatible, doesn't use a DMA channel.
|
|
|
Currently only aware of the BusLogic BT-445S VL-Bus adapter which needs this. */
|
|
|
- *dma_chan = 0xFF;
|
|
|
+ sh->dma_channel = 0xFF;
|
|
|
break;
|
|
|
default:
|
|
|
- printk(KERN_ERR "Unable to determine Adaptec DMA priority. Disabling board\n");
|
|
|
+ shost_printk(KERN_ERR, sh, "Unable to determine DMA channel.\n");
|
|
|
return -1;
|
|
|
};
|
|
|
switch (inquiry_result[1]) {
|
|
|
case 0x40:
|
|
|
- *irq_level = 15;
|
|
|
+ sh->irq = 15;
|
|
|
break;
|
|
|
case 0x20:
|
|
|
- *irq_level = 14;
|
|
|
+ sh->irq = 14;
|
|
|
break;
|
|
|
case 0x8:
|
|
|
- *irq_level = 12;
|
|
|
+ sh->irq = 12;
|
|
|
break;
|
|
|
case 0x4:
|
|
|
- *irq_level = 11;
|
|
|
+ sh->irq = 11;
|
|
|
break;
|
|
|
case 0x2:
|
|
|
- *irq_level = 10;
|
|
|
+ sh->irq = 10;
|
|
|
break;
|
|
|
case 0x1:
|
|
|
- *irq_level = 9;
|
|
|
+ sh->irq = 9;
|
|
|
break;
|
|
|
default:
|
|
|
- printk(KERN_ERR "Unable to determine Adaptec IRQ level. Disabling board\n");
|
|
|
+ shost_printk(KERN_ERR, sh, "Unable to determine IRQ level.\n");
|
|
|
return -1;
|
|
|
};
|
|
|
- *scsi_id = inquiry_result[2] & 7;
|
|
|
+ sh->this_id = inquiry_result[2] & 7;
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
/* This function should only be called for 1542C boards - we can detect
|
|
|
the special firmware settings and unlock the board */
|
|
|
|
|
|
-static int __init aha1542_mbenable(int base)
|
|
|
+static int aha1542_mbenable(struct Scsi_Host *sh)
|
|
|
{
|
|
|
- static unchar mbenable_cmd[3];
|
|
|
- static unchar mbenable_result[2];
|
|
|
+ static u8 mbenable_cmd[3];
|
|
|
+ static u8 mbenable_result[2];
|
|
|
int retval;
|
|
|
|
|
|
retval = BIOS_TRANSLATION_6432;
|
|
|
|
|
|
- mbenable_cmd[0] = CMD_EXTBIOS;
|
|
|
- aha1542_out(base, mbenable_cmd, 1);
|
|
|
- if (aha1542_in1(base, mbenable_result, 2))
|
|
|
+ aha1542_outb(sh->io_port, CMD_EXTBIOS);
|
|
|
+ if (aha1542_in(sh->io_port, mbenable_result, 2, 100))
|
|
|
return retval;
|
|
|
- WAITd(INTRFLAGS(base), INTRMASK, HACC, 0, 100);
|
|
|
- aha1542_intr_reset(base);
|
|
|
+ if (!wait_mask(INTRFLAGS(sh->io_port), INTRMASK, HACC, 0, 100))
|
|
|
+ goto fail;
|
|
|
+ aha1542_intr_reset(sh->io_port);
|
|
|
|
|
|
if ((mbenable_result[0] & 0x08) || mbenable_result[1]) {
|
|
|
mbenable_cmd[0] = CMD_MBENABLE;
|
|
@@ -836,37 +596,34 @@ static int __init aha1542_mbenable(int base)
|
|
|
if ((mbenable_result[0] & 0x08) && (mbenable_result[1] & 0x03))
|
|
|
retval = BIOS_TRANSLATION_25563;
|
|
|
|
|
|
- aha1542_out(base, mbenable_cmd, 3);
|
|
|
- WAIT(INTRFLAGS(base), INTRMASK, HACC, 0);
|
|
|
+ if (aha1542_out(sh->io_port, mbenable_cmd, 3))
|
|
|
+ goto fail;
|
|
|
};
|
|
|
while (0) {
|
|
|
fail:
|
|
|
- printk(KERN_ERR "aha1542_mbenable: Mailbox init failed\n");
|
|
|
+ shost_printk(KERN_ERR, sh, "Mailbox init failed\n");
|
|
|
}
|
|
|
- aha1542_intr_reset(base);
|
|
|
+ aha1542_intr_reset(sh->io_port);
|
|
|
return retval;
|
|
|
}
|
|
|
|
|
|
/* Query the board to find out if it is a 1542 or a 1740, or whatever. */
|
|
|
-static int __init aha1542_query(int base_io, int *transl)
|
|
|
+static int aha1542_query(struct Scsi_Host *sh)
|
|
|
{
|
|
|
- unchar inquiry_cmd[] = {CMD_INQUIRY};
|
|
|
- unchar inquiry_result[4];
|
|
|
+ struct aha1542_hostdata *aha1542 = shost_priv(sh);
|
|
|
+ u8 inquiry_result[4];
|
|
|
int i;
|
|
|
- i = inb(STATUS(base_io));
|
|
|
+ i = inb(STATUS(sh->io_port));
|
|
|
if (i & DF) {
|
|
|
- i = inb(DATA(base_io));
|
|
|
+ i = inb(DATA(sh->io_port));
|
|
|
};
|
|
|
- aha1542_out(base_io, inquiry_cmd, 1);
|
|
|
- aha1542_in(base_io, inquiry_result, 4);
|
|
|
- WAIT(INTRFLAGS(base_io), INTRMASK, HACC, 0);
|
|
|
- while (0) {
|
|
|
-fail:
|
|
|
- printk(KERN_ERR "aha1542_detect: query card type\n");
|
|
|
- }
|
|
|
- aha1542_intr_reset(base_io);
|
|
|
+ aha1542_outb(sh->io_port, CMD_INQUIRY);
|
|
|
+ aha1542_in(sh->io_port, inquiry_result, 4, 0);
|
|
|
+ if (!wait_mask(INTRFLAGS(sh->io_port), INTRMASK, HACC, 0, 0))
|
|
|
+ shost_printk(KERN_ERR, sh, "error querying card type\n");
|
|
|
+ aha1542_intr_reset(sh->io_port);
|
|
|
|
|
|
- *transl = BIOS_TRANSLATION_6432; /* Default case */
|
|
|
+ aha1542->bios_translation = BIOS_TRANSLATION_6432; /* Default case */
|
|
|
|
|
|
/* For an AHA1740 series board, we ignore the board since there is a
|
|
|
hardware bug which can lead to wrong blocks being returned if the board
|
|
@@ -875,391 +632,198 @@ fail:
|
|
|
*/
|
|
|
|
|
|
if (inquiry_result[0] == 0x43) {
|
|
|
- printk(KERN_INFO "aha1542.c: Emulation mode not supported for AHA 174N hardware.\n");
|
|
|
+ shost_printk(KERN_INFO, sh, "Emulation mode not supported for AHA-1740 hardware, use aha1740 driver instead.\n");
|
|
|
return 1;
|
|
|
};
|
|
|
|
|
|
/* Always call this - boards that do not support extended bios translation
|
|
|
will ignore the command, and we will set the proper default */
|
|
|
|
|
|
- *transl = aha1542_mbenable(base_io);
|
|
|
+ aha1542->bios_translation = aha1542_mbenable(sh);
|
|
|
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
-#ifndef MODULE
|
|
|
-static char *setup_str[MAXBOARDS] __initdata;
|
|
|
-static int setup_idx = 0;
|
|
|
-
|
|
|
-static void __init aha1542_setup(char *str, int *ints)
|
|
|
+static u8 dma_speed_hw(int dma_speed)
|
|
|
{
|
|
|
- const char *ahausage = "aha1542: usage: aha1542=<PORTBASE>[,<BUSON>,<BUSOFF>[,<DMASPEED>]]\n";
|
|
|
- int setup_portbase;
|
|
|
-
|
|
|
- if (setup_idx >= MAXBOARDS) {
|
|
|
- printk(KERN_ERR "aha1542: aha1542_setup called too many times! Bad LILO params ?\n");
|
|
|
- printk(KERN_ERR " Entryline 1: %s\n", setup_str[0]);
|
|
|
- printk(KERN_ERR " Entryline 2: %s\n", setup_str[1]);
|
|
|
- printk(KERN_ERR " This line: %s\n", str);
|
|
|
- return;
|
|
|
- }
|
|
|
- if (ints[0] < 1 || ints[0] > 4) {
|
|
|
- printk(KERN_ERR "aha1542: %s\n", str);
|
|
|
- printk(ahausage);
|
|
|
- printk(KERN_ERR "aha1542: Wrong parameters may cause system malfunction.. We try anyway..\n");
|
|
|
- }
|
|
|
- setup_called[setup_idx] = ints[0];
|
|
|
- setup_str[setup_idx] = str;
|
|
|
-
|
|
|
- setup_portbase = ints[0] >= 1 ? ints[1] : 0; /* Preserve the default value.. */
|
|
|
- setup_buson[setup_idx] = ints[0] >= 2 ? ints[2] : 7;
|
|
|
- setup_busoff[setup_idx] = ints[0] >= 3 ? ints[3] : 5;
|
|
|
- if (ints[0] >= 4)
|
|
|
- {
|
|
|
- int atbt = -1;
|
|
|
- switch (ints[4]) {
|
|
|
- case 5:
|
|
|
- atbt = 0x00;
|
|
|
- break;
|
|
|
- case 6:
|
|
|
- atbt = 0x04;
|
|
|
- break;
|
|
|
- case 7:
|
|
|
- atbt = 0x01;
|
|
|
- break;
|
|
|
- case 8:
|
|
|
- atbt = 0x02;
|
|
|
- break;
|
|
|
- case 10:
|
|
|
- atbt = 0x03;
|
|
|
- break;
|
|
|
- default:
|
|
|
- printk(KERN_ERR "aha1542: %s\n", str);
|
|
|
- printk(ahausage);
|
|
|
- printk(KERN_ERR "aha1542: Valid values for DMASPEED are 5-8, 10 MB/s. Using jumper defaults.\n");
|
|
|
- break;
|
|
|
- }
|
|
|
- setup_dmaspeed[setup_idx] = atbt;
|
|
|
+ switch (dma_speed) {
|
|
|
+ case 5:
|
|
|
+ return 0x00;
|
|
|
+ case 6:
|
|
|
+ return 0x04;
|
|
|
+ case 7:
|
|
|
+ return 0x01;
|
|
|
+ case 8:
|
|
|
+ return 0x02;
|
|
|
+ case 10:
|
|
|
+ return 0x03;
|
|
|
}
|
|
|
- if (setup_portbase != 0)
|
|
|
- bases[setup_idx] = setup_portbase;
|
|
|
|
|
|
- ++setup_idx;
|
|
|
+ return 0xff; /* invalid */
|
|
|
}
|
|
|
|
|
|
-static int __init do_setup(char *str)
|
|
|
+/* Set the Bus on/off-times as not to ruin floppy performance */
|
|
|
+static void aha1542_set_bus_times(struct Scsi_Host *sh, int bus_on, int bus_off, int dma_speed)
|
|
|
{
|
|
|
- int ints[5];
|
|
|
+ if (bus_on > 0) {
|
|
|
+ u8 oncmd[] = { CMD_BUSON_TIME, clamp(bus_on, 2, 15) };
|
|
|
|
|
|
- int count=setup_idx;
|
|
|
+ aha1542_intr_reset(sh->io_port);
|
|
|
+ if (aha1542_out(sh->io_port, oncmd, 2))
|
|
|
+ goto fail;
|
|
|
+ }
|
|
|
|
|
|
- get_options(str, ARRAY_SIZE(ints), ints);
|
|
|
- aha1542_setup(str,ints);
|
|
|
+ if (bus_off > 0) {
|
|
|
+ u8 offcmd[] = { CMD_BUSOFF_TIME, clamp(bus_off, 1, 64) };
|
|
|
|
|
|
- return count<setup_idx;
|
|
|
-}
|
|
|
+ aha1542_intr_reset(sh->io_port);
|
|
|
+ if (aha1542_out(sh->io_port, offcmd, 2))
|
|
|
+ goto fail;
|
|
|
+ }
|
|
|
|
|
|
-__setup("aha1542=",do_setup);
|
|
|
-#endif
|
|
|
+ if (dma_speed_hw(dma_speed) != 0xff) {
|
|
|
+ u8 dmacmd[] = { CMD_DMASPEED, dma_speed_hw(dma_speed) };
|
|
|
+
|
|
|
+ aha1542_intr_reset(sh->io_port);
|
|
|
+ if (aha1542_out(sh->io_port, dmacmd, 2))
|
|
|
+ goto fail;
|
|
|
+ }
|
|
|
+ aha1542_intr_reset(sh->io_port);
|
|
|
+ return;
|
|
|
+fail:
|
|
|
+ shost_printk(KERN_ERR, sh, "setting bus on/off-time failed\n");
|
|
|
+ aha1542_intr_reset(sh->io_port);
|
|
|
+}
|
|
|
|
|
|
/* return non-zero on detection */
|
|
|
-static int __init aha1542_detect(struct scsi_host_template * tpnt)
|
|
|
+static struct Scsi_Host *aha1542_hw_init(struct scsi_host_template *tpnt, struct device *pdev, int indx)
|
|
|
{
|
|
|
- unsigned char dma_chan;
|
|
|
- unsigned char irq_level;
|
|
|
- unsigned char scsi_id;
|
|
|
- unsigned long flags;
|
|
|
- unsigned int base_io;
|
|
|
- int trans;
|
|
|
- struct Scsi_Host *shpnt = NULL;
|
|
|
- int count = 0;
|
|
|
- int indx;
|
|
|
-
|
|
|
- DEB(printk("aha1542_detect: \n"));
|
|
|
-
|
|
|
- tpnt->proc_name = "aha1542";
|
|
|
-
|
|
|
-#ifdef MODULE
|
|
|
- bases[0] = aha1542[0];
|
|
|
- setup_buson[0] = aha1542[1];
|
|
|
- setup_busoff[0] = aha1542[2];
|
|
|
- {
|
|
|
- int atbt = -1;
|
|
|
- switch (aha1542[3]) {
|
|
|
- case 5:
|
|
|
- atbt = 0x00;
|
|
|
- break;
|
|
|
- case 6:
|
|
|
- atbt = 0x04;
|
|
|
- break;
|
|
|
- case 7:
|
|
|
- atbt = 0x01;
|
|
|
- break;
|
|
|
- case 8:
|
|
|
- atbt = 0x02;
|
|
|
- break;
|
|
|
- case 10:
|
|
|
- atbt = 0x03;
|
|
|
- break;
|
|
|
- };
|
|
|
- setup_dmaspeed[0] = atbt;
|
|
|
+ unsigned int base_io = io[indx];
|
|
|
+ struct Scsi_Host *sh;
|
|
|
+ struct aha1542_hostdata *aha1542;
|
|
|
+ char dma_info[] = "no DMA";
|
|
|
+
|
|
|
+ if (base_io == 0)
|
|
|
+ return NULL;
|
|
|
+
|
|
|
+ if (!request_region(base_io, AHA1542_REGION_SIZE, "aha1542"))
|
|
|
+ return NULL;
|
|
|
+
|
|
|
+ sh = scsi_host_alloc(tpnt, sizeof(struct aha1542_hostdata));
|
|
|
+ if (!sh)
|
|
|
+ goto release;
|
|
|
+ aha1542 = shost_priv(sh);
|
|
|
+
|
|
|
+ sh->unique_id = base_io;
|
|
|
+ sh->io_port = base_io;
|
|
|
+ sh->n_io_port = AHA1542_REGION_SIZE;
|
|
|
+ aha1542->aha1542_last_mbi_used = 2 * AHA1542_MAILBOXES - 1;
|
|
|
+ aha1542->aha1542_last_mbo_used = AHA1542_MAILBOXES - 1;
|
|
|
+
|
|
|
+ if (!aha1542_test_port(sh))
|
|
|
+ goto unregister;
|
|
|
+
|
|
|
+ aha1542_set_bus_times(sh, bus_on[indx], bus_off[indx], dma_speed[indx]);
|
|
|
+ if (aha1542_query(sh))
|
|
|
+ goto unregister;
|
|
|
+ if (aha1542_getconfig(sh) == -1)
|
|
|
+ goto unregister;
|
|
|
+
|
|
|
+ if (sh->dma_channel != 0xFF)
|
|
|
+ snprintf(dma_info, sizeof(dma_info), "DMA %d", sh->dma_channel);
|
|
|
+ shost_printk(KERN_INFO, sh, "Adaptec AHA-1542 (SCSI-ID %d) at IO 0x%x, IRQ %d, %s\n",
|
|
|
+ sh->this_id, base_io, sh->irq, dma_info);
|
|
|
+ if (aha1542->bios_translation == BIOS_TRANSLATION_25563)
|
|
|
+ shost_printk(KERN_INFO, sh, "Using extended bios translation\n");
|
|
|
+
|
|
|
+ setup_mailboxes(sh);
|
|
|
+
|
|
|
+ if (request_irq(sh->irq, aha1542_interrupt, 0, "aha1542", sh)) {
|
|
|
+ shost_printk(KERN_ERR, sh, "Unable to allocate IRQ.\n");
|
|
|
+ goto unregister;
|
|
|
}
|
|
|
-#endif
|
|
|
-
|
|
|
- /*
|
|
|
- * Hunt for ISA Plug'n'Pray Adaptecs (AHA1535)
|
|
|
- */
|
|
|
-
|
|
|
- if(isapnp)
|
|
|
- {
|
|
|
- struct pnp_dev *pdev = NULL;
|
|
|
- for(indx = 0; indx < ARRAY_SIZE(bases); indx++) {
|
|
|
- if(bases[indx])
|
|
|
- continue;
|
|
|
- pdev = pnp_find_dev(NULL, ISAPNP_VENDOR('A', 'D', 'P'),
|
|
|
- ISAPNP_FUNCTION(0x1542), pdev);
|
|
|
- if(pdev==NULL)
|
|
|
- break;
|
|
|
- /*
|
|
|
- * Activate the PnP card
|
|
|
- */
|
|
|
-
|
|
|
- if(pnp_device_attach(pdev)<0)
|
|
|
- continue;
|
|
|
-
|
|
|
- if(pnp_activate_dev(pdev)<0) {
|
|
|
- pnp_device_detach(pdev);
|
|
|
- continue;
|
|
|
- }
|
|
|
-
|
|
|
- if(!pnp_port_valid(pdev, 0)) {
|
|
|
- pnp_device_detach(pdev);
|
|
|
- continue;
|
|
|
- }
|
|
|
-
|
|
|
- bases[indx] = pnp_port_start(pdev, 0);
|
|
|
-
|
|
|
- /* The card can be queried for its DMA, we have
|
|
|
- the DMA set up that is enough */
|
|
|
-
|
|
|
- printk(KERN_INFO "ISAPnP found an AHA1535 at I/O 0x%03X\n", bases[indx]);
|
|
|
+ if (sh->dma_channel != 0xFF) {
|
|
|
+ if (request_dma(sh->dma_channel, "aha1542")) {
|
|
|
+ shost_printk(KERN_ERR, sh, "Unable to allocate DMA channel.\n");
|
|
|
+ goto free_irq;
|
|
|
+ }
|
|
|
+ if (sh->dma_channel == 0 || sh->dma_channel >= 5) {
|
|
|
+ set_dma_mode(sh->dma_channel, DMA_MODE_CASCADE);
|
|
|
+ enable_dma(sh->dma_channel);
|
|
|
}
|
|
|
}
|
|
|
- for (indx = 0; indx < ARRAY_SIZE(bases); indx++)
|
|
|
- if (bases[indx] != 0 && request_region(bases[indx], 4, "aha1542")) {
|
|
|
- shpnt = scsi_register(tpnt,
|
|
|
- sizeof(struct aha1542_hostdata));
|
|
|
-
|
|
|
- if(shpnt==NULL) {
|
|
|
- release_region(bases[indx], 4);
|
|
|
- continue;
|
|
|
- }
|
|
|
- if (!aha1542_test_port(bases[indx], shpnt))
|
|
|
- goto unregister;
|
|
|
-
|
|
|
- base_io = bases[indx];
|
|
|
-
|
|
|
- /* Set the Bus on/off-times as not to ruin floppy performance */
|
|
|
- {
|
|
|
- unchar oncmd[] = {CMD_BUSON_TIME, 7};
|
|
|
- unchar offcmd[] = {CMD_BUSOFF_TIME, 5};
|
|
|
-
|
|
|
- if (setup_called[indx]) {
|
|
|
- oncmd[1] = setup_buson[indx];
|
|
|
- offcmd[1] = setup_busoff[indx];
|
|
|
- }
|
|
|
- aha1542_intr_reset(base_io);
|
|
|
- aha1542_out(base_io, oncmd, 2);
|
|
|
- WAIT(INTRFLAGS(base_io), INTRMASK, HACC, 0);
|
|
|
- aha1542_intr_reset(base_io);
|
|
|
- aha1542_out(base_io, offcmd, 2);
|
|
|
- WAIT(INTRFLAGS(base_io), INTRMASK, HACC, 0);
|
|
|
- if (setup_dmaspeed[indx] >= 0) {
|
|
|
- unchar dmacmd[] = {CMD_DMASPEED, 0};
|
|
|
- dmacmd[1] = setup_dmaspeed[indx];
|
|
|
- aha1542_intr_reset(base_io);
|
|
|
- aha1542_out(base_io, dmacmd, 2);
|
|
|
- WAIT(INTRFLAGS(base_io), INTRMASK, HACC, 0);
|
|
|
- }
|
|
|
- while (0) {
|
|
|
-fail:
|
|
|
- printk(KERN_ERR "aha1542_detect: setting bus on/off-time failed\n");
|
|
|
- }
|
|
|
- aha1542_intr_reset(base_io);
|
|
|
- }
|
|
|
- if (aha1542_query(base_io, &trans))
|
|
|
- goto unregister;
|
|
|
-
|
|
|
- if (aha1542_getconfig(base_io, &irq_level, &dma_chan, &scsi_id) == -1)
|
|
|
- goto unregister;
|
|
|
-
|
|
|
- printk(KERN_INFO "Configuring Adaptec (SCSI-ID %d) at IO:%x, IRQ %d", scsi_id, base_io, irq_level);
|
|
|
- if (dma_chan != 0xFF)
|
|
|
- printk(", DMA priority %d", dma_chan);
|
|
|
- printk("\n");
|
|
|
-
|
|
|
- DEB(aha1542_stat());
|
|
|
- setup_mailboxes(base_io, shpnt);
|
|
|
-
|
|
|
- DEB(aha1542_stat());
|
|
|
-
|
|
|
- DEB(printk("aha1542_detect: enable interrupt channel %d\n", irq_level));
|
|
|
- spin_lock_irqsave(&aha1542_lock, flags);
|
|
|
- if (request_irq(irq_level, do_aha1542_intr_handle, 0,
|
|
|
- "aha1542", shpnt)) {
|
|
|
- printk(KERN_ERR "Unable to allocate IRQ for adaptec controller.\n");
|
|
|
- spin_unlock_irqrestore(&aha1542_lock, flags);
|
|
|
- goto unregister;
|
|
|
- }
|
|
|
- if (dma_chan != 0xFF) {
|
|
|
- if (request_dma(dma_chan, "aha1542")) {
|
|
|
- printk(KERN_ERR "Unable to allocate DMA channel for Adaptec.\n");
|
|
|
- free_irq(irq_level, shpnt);
|
|
|
- spin_unlock_irqrestore(&aha1542_lock, flags);
|
|
|
- goto unregister;
|
|
|
- }
|
|
|
- if (dma_chan == 0 || dma_chan >= 5) {
|
|
|
- set_dma_mode(dma_chan, DMA_MODE_CASCADE);
|
|
|
- enable_dma(dma_chan);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- shpnt->this_id = scsi_id;
|
|
|
- shpnt->unique_id = base_io;
|
|
|
- shpnt->io_port = base_io;
|
|
|
- shpnt->n_io_port = 4; /* Number of bytes of I/O space used */
|
|
|
- shpnt->dma_channel = dma_chan;
|
|
|
- shpnt->irq = irq_level;
|
|
|
- HOSTDATA(shpnt)->bios_translation = trans;
|
|
|
- if (trans == BIOS_TRANSLATION_25563)
|
|
|
- printk(KERN_INFO "aha1542.c: Using extended bios translation\n");
|
|
|
- HOSTDATA(shpnt)->aha1542_last_mbi_used = (2 * AHA1542_MAILBOXES - 1);
|
|
|
- HOSTDATA(shpnt)->aha1542_last_mbo_used = (AHA1542_MAILBOXES - 1);
|
|
|
- memset(HOSTDATA(shpnt)->SCint, 0, sizeof(HOSTDATA(shpnt)->SCint));
|
|
|
- spin_unlock_irqrestore(&aha1542_lock, flags);
|
|
|
-#if 0
|
|
|
- DEB(printk(" *** READ CAPACITY ***\n"));
|
|
|
-
|
|
|
- {
|
|
|
- unchar buf[8];
|
|
|
- static unchar cmd[] = { READ_CAPACITY, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
|
|
|
- int i;
|
|
|
-
|
|
|
- for (i = 0; i < sizeof(buf); ++i)
|
|
|
- buf[i] = 0x87;
|
|
|
- for (i = 0; i < 2; ++i)
|
|
|
- if (!aha1542_command(i, cmd, buf, sizeof(buf))) {
|
|
|
- printk(KERN_DEBUG "aha_detect: LU %d sector_size %d device_size %d\n",
|
|
|
- i, xscsi2int(buf + 4), xscsi2int(buf));
|
|
|
- }
|
|
|
- }
|
|
|
|
|
|
- DEB(printk(" *** NOW RUNNING MY OWN TEST *** \n"));
|
|
|
+ if (scsi_add_host(sh, pdev))
|
|
|
+ goto free_dma;
|
|
|
|
|
|
- for (i = 0; i < 4; ++i) {
|
|
|
- unsigned char cmd[10];
|
|
|
- static buffer[512];
|
|
|
+ scsi_scan_host(sh);
|
|
|
|
|
|
- cmd[0] = READ_10;
|
|
|
- cmd[1] = 0;
|
|
|
- xany2scsi(cmd + 2, i);
|
|
|
- cmd[6] = 0;
|
|
|
- cmd[7] = 0;
|
|
|
- cmd[8] = 1;
|
|
|
- cmd[9] = 0;
|
|
|
- aha1542_command(0, cmd, buffer, 512);
|
|
|
- }
|
|
|
-#endif
|
|
|
- count++;
|
|
|
- continue;
|
|
|
+ return sh;
|
|
|
+free_dma:
|
|
|
+ if (sh->dma_channel != 0xff)
|
|
|
+ free_dma(sh->dma_channel);
|
|
|
+free_irq:
|
|
|
+ free_irq(sh->irq, sh);
|
|
|
unregister:
|
|
|
- release_region(bases[indx], 4);
|
|
|
- scsi_unregister(shpnt);
|
|
|
- continue;
|
|
|
+ scsi_host_put(sh);
|
|
|
+release:
|
|
|
+ release_region(base_io, AHA1542_REGION_SIZE);
|
|
|
|
|
|
- };
|
|
|
-
|
|
|
- return count;
|
|
|
+ return NULL;
|
|
|
}
|
|
|
|
|
|
-static int aha1542_release(struct Scsi_Host *shost)
|
|
|
+static int aha1542_release(struct Scsi_Host *sh)
|
|
|
{
|
|
|
- if (shost->irq)
|
|
|
- free_irq(shost->irq, shost);
|
|
|
- if (shost->dma_channel != 0xff)
|
|
|
- free_dma(shost->dma_channel);
|
|
|
- if (shost->io_port && shost->n_io_port)
|
|
|
- release_region(shost->io_port, shost->n_io_port);
|
|
|
- scsi_unregister(shost);
|
|
|
+ scsi_remove_host(sh);
|
|
|
+ if (sh->dma_channel != 0xff)
|
|
|
+ free_dma(sh->dma_channel);
|
|
|
+ if (sh->irq)
|
|
|
+ free_irq(sh->irq, sh);
|
|
|
+ if (sh->io_port && sh->n_io_port)
|
|
|
+ release_region(sh->io_port, sh->n_io_port);
|
|
|
+ scsi_host_put(sh);
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
-static int aha1542_restart(struct Scsi_Host *shost)
|
|
|
-{
|
|
|
- int i;
|
|
|
- int count = 0;
|
|
|
-#if 0
|
|
|
- unchar ahacmd = CMD_START_SCSI;
|
|
|
-#endif
|
|
|
-
|
|
|
- for (i = 0; i < AHA1542_MAILBOXES; i++)
|
|
|
- if (HOSTDATA(shost)->SCint[i] &&
|
|
|
- !(HOSTDATA(shost)->SCint[i]->device->soft_reset)) {
|
|
|
-#if 0
|
|
|
- HOSTDATA(shost)->mb[i].status = 1; /* Indicate ready to restart... */
|
|
|
-#endif
|
|
|
- count++;
|
|
|
- }
|
|
|
- printk(KERN_DEBUG "Potential to restart %d stalled commands...\n", count);
|
|
|
-#if 0
|
|
|
- /* start scsi command */
|
|
|
- if (count)
|
|
|
- aha1542_out(shost->io_port, &ahacmd, 1);
|
|
|
-#endif
|
|
|
- return 0;
|
|
|
-}
|
|
|
|
|
|
/*
|
|
|
* This is a device reset. This is handled by sending a special command
|
|
|
* to the device.
|
|
|
*/
|
|
|
-static int aha1542_dev_reset(Scsi_Cmnd * SCpnt)
|
|
|
+static int aha1542_dev_reset(struct scsi_cmnd *cmd)
|
|
|
{
|
|
|
+ struct Scsi_Host *sh = cmd->device->host;
|
|
|
+ struct aha1542_hostdata *aha1542 = shost_priv(sh);
|
|
|
unsigned long flags;
|
|
|
- struct mailbox *mb;
|
|
|
- unchar target = SCpnt->device->id;
|
|
|
- unchar lun = SCpnt->device->lun;
|
|
|
+ struct mailbox *mb = aha1542->mb;
|
|
|
+ u8 target = cmd->device->id;
|
|
|
+ u8 lun = cmd->device->lun;
|
|
|
int mbo;
|
|
|
- struct ccb *ccb;
|
|
|
- unchar ahacmd = CMD_START_SCSI;
|
|
|
-
|
|
|
- ccb = HOSTDATA(SCpnt->device->host)->ccb;
|
|
|
- mb = HOSTDATA(SCpnt->device->host)->mb;
|
|
|
+ struct ccb *ccb = aha1542->ccb;
|
|
|
|
|
|
- spin_lock_irqsave(&aha1542_lock, flags);
|
|
|
- mbo = HOSTDATA(SCpnt->device->host)->aha1542_last_mbo_used + 1;
|
|
|
+ spin_lock_irqsave(sh->host_lock, flags);
|
|
|
+ mbo = aha1542->aha1542_last_mbo_used + 1;
|
|
|
if (mbo >= AHA1542_MAILBOXES)
|
|
|
mbo = 0;
|
|
|
|
|
|
do {
|
|
|
- if (mb[mbo].status == 0 && HOSTDATA(SCpnt->device->host)->SCint[mbo] == NULL)
|
|
|
+ if (mb[mbo].status == 0 && aha1542->int_cmds[mbo] == NULL)
|
|
|
break;
|
|
|
mbo++;
|
|
|
if (mbo >= AHA1542_MAILBOXES)
|
|
|
mbo = 0;
|
|
|
- } while (mbo != HOSTDATA(SCpnt->device->host)->aha1542_last_mbo_used);
|
|
|
+ } while (mbo != aha1542->aha1542_last_mbo_used);
|
|
|
|
|
|
- if (mb[mbo].status || HOSTDATA(SCpnt->device->host)->SCint[mbo])
|
|
|
+ if (mb[mbo].status || aha1542->int_cmds[mbo])
|
|
|
panic("Unable to find empty mailbox for aha1542.\n");
|
|
|
|
|
|
- HOSTDATA(SCpnt->device->host)->SCint[mbo] = SCpnt; /* This will effectively
|
|
|
- prevent someone else from
|
|
|
- screwing with this cdb. */
|
|
|
+ aha1542->int_cmds[mbo] = cmd; /* This will effectively
|
|
|
+ prevent someone else from
|
|
|
+ screwing with this cdb. */
|
|
|
|
|
|
- HOSTDATA(SCpnt->device->host)->aha1542_last_mbo_used = mbo;
|
|
|
- spin_unlock_irqrestore(&aha1542_lock, flags);
|
|
|
+ aha1542->aha1542_last_mbo_used = mbo;
|
|
|
|
|
|
- any2scsi(mb[mbo].ccbptr, SCSI_BUF_PA(&ccb[mbo])); /* This gets trashed for some reason */
|
|
|
+ any2scsi(mb[mbo].ccbptr, isa_virt_to_bus(&ccb[mbo])); /* This gets trashed for some reason */
|
|
|
|
|
|
memset(&ccb[mbo], 0, sizeof(struct ccb));
|
|
|
|
|
@@ -1274,141 +838,43 @@ static int aha1542_dev_reset(Scsi_Cmnd * SCpnt)
|
|
|
* Now tell the 1542 to flush all pending commands for this
|
|
|
* target
|
|
|
*/
|
|
|
- aha1542_out(SCpnt->device->host->io_port, &ahacmd, 1);
|
|
|
+ aha1542_outb(sh->io_port, CMD_START_SCSI);
|
|
|
+ spin_unlock_irqrestore(sh->host_lock, flags);
|
|
|
|
|
|
- scmd_printk(KERN_WARNING, SCpnt,
|
|
|
+ scmd_printk(KERN_WARNING, cmd,
|
|
|
"Trying device reset for target\n");
|
|
|
|
|
|
return SUCCESS;
|
|
|
-
|
|
|
-
|
|
|
-#ifdef ERIC_neverdef
|
|
|
- /*
|
|
|
- * With the 1542 we apparently never get an interrupt to
|
|
|
- * acknowledge a device reset being sent. Then again, Leonard
|
|
|
- * says we are doing this wrong in the first place...
|
|
|
- *
|
|
|
- * Take a wait and see attitude. If we get spurious interrupts,
|
|
|
- * then the device reset is doing something sane and useful, and
|
|
|
- * we will wait for the interrupt to post completion.
|
|
|
- */
|
|
|
- printk(KERN_WARNING "Sent BUS DEVICE RESET to target %d\n", SCpnt->target);
|
|
|
-
|
|
|
- /*
|
|
|
- * Free the command block for all commands running on this
|
|
|
- * target...
|
|
|
- */
|
|
|
- for (i = 0; i < AHA1542_MAILBOXES; i++) {
|
|
|
- if (HOSTDATA(SCpnt->host)->SCint[i] &&
|
|
|
- HOSTDATA(SCpnt->host)->SCint[i]->target == SCpnt->target) {
|
|
|
- Scsi_Cmnd *SCtmp;
|
|
|
- SCtmp = HOSTDATA(SCpnt->host)->SCint[i];
|
|
|
- kfree(SCtmp->host_scribble);
|
|
|
- SCtmp->host_scribble = NULL;
|
|
|
- HOSTDATA(SCpnt->host)->SCint[i] = NULL;
|
|
|
- HOSTDATA(SCpnt->host)->mb[i].status = 0;
|
|
|
- }
|
|
|
- }
|
|
|
- return SUCCESS;
|
|
|
-
|
|
|
- return FAILED;
|
|
|
-#endif /* ERIC_neverdef */
|
|
|
}
|
|
|
|
|
|
-static int aha1542_bus_reset(Scsi_Cmnd * SCpnt)
|
|
|
+static int aha1542_reset(struct scsi_cmnd *cmd, u8 reset_cmd)
|
|
|
{
|
|
|
+ struct Scsi_Host *sh = cmd->device->host;
|
|
|
+ struct aha1542_hostdata *aha1542 = shost_priv(sh);
|
|
|
+ unsigned long flags;
|
|
|
int i;
|
|
|
|
|
|
+ spin_lock_irqsave(sh->host_lock, flags);
|
|
|
/*
|
|
|
* This does a scsi reset for all devices on the bus.
|
|
|
* In principle, we could also reset the 1542 - should
|
|
|
* we do this? Try this first, and we can add that later
|
|
|
* if it turns out to be useful.
|
|
|
*/
|
|
|
- outb(SCRST, CONTROL(SCpnt->device->host->io_port));
|
|
|
+ outb(reset_cmd, CONTROL(cmd->device->host->io_port));
|
|
|
|
|
|
- /*
|
|
|
- * Wait for the thing to settle down a bit. Unfortunately
|
|
|
- * this is going to basically lock up the machine while we
|
|
|
- * wait for this to complete. To be 100% correct, we need to
|
|
|
- * check for timeout, and if we are doing something like this
|
|
|
- * we are pretty desperate anyways.
|
|
|
- */
|
|
|
- ssleep(4);
|
|
|
-
|
|
|
- spin_lock_irq(SCpnt->device->host->host_lock);
|
|
|
-
|
|
|
- WAIT(STATUS(SCpnt->device->host->io_port),
|
|
|
- STATMASK, INIT | IDLE, STST | DIAGF | INVDCMD | DF | CDF);
|
|
|
-
|
|
|
- /*
|
|
|
- * Now try to pick up the pieces. For all pending commands,
|
|
|
- * free any internal data structures, and basically clear things
|
|
|
- * out. We do not try and restart any commands or anything -
|
|
|
- * the strategy handler takes care of that crap.
|
|
|
- */
|
|
|
- printk(KERN_WARNING "Sent BUS RESET to scsi host %d\n", SCpnt->device->host->host_no);
|
|
|
-
|
|
|
- for (i = 0; i < AHA1542_MAILBOXES; i++) {
|
|
|
- if (HOSTDATA(SCpnt->device->host)->SCint[i] != NULL) {
|
|
|
- Scsi_Cmnd *SCtmp;
|
|
|
- SCtmp = HOSTDATA(SCpnt->device->host)->SCint[i];
|
|
|
-
|
|
|
-
|
|
|
- if (SCtmp->device->soft_reset) {
|
|
|
- /*
|
|
|
- * If this device implements the soft reset option,
|
|
|
- * then it is still holding onto the command, and
|
|
|
- * may yet complete it. In this case, we don't
|
|
|
- * flush the data.
|
|
|
- */
|
|
|
- continue;
|
|
|
- }
|
|
|
- kfree(SCtmp->host_scribble);
|
|
|
- SCtmp->host_scribble = NULL;
|
|
|
- HOSTDATA(SCpnt->device->host)->SCint[i] = NULL;
|
|
|
- HOSTDATA(SCpnt->device->host)->mb[i].status = 0;
|
|
|
- }
|
|
|
+ if (!wait_mask(STATUS(cmd->device->host->io_port),
|
|
|
+ STATMASK, IDLE, STST | DIAGF | INVDCMD | DF | CDF, 0)) {
|
|
|
+ spin_unlock_irqrestore(sh->host_lock, flags);
|
|
|
+ return FAILED;
|
|
|
}
|
|
|
|
|
|
- spin_unlock_irq(SCpnt->device->host->host_lock);
|
|
|
- return SUCCESS;
|
|
|
-
|
|
|
-fail:
|
|
|
- spin_unlock_irq(SCpnt->device->host->host_lock);
|
|
|
- return FAILED;
|
|
|
-}
|
|
|
-
|
|
|
-static int aha1542_host_reset(Scsi_Cmnd * SCpnt)
|
|
|
-{
|
|
|
- int i;
|
|
|
-
|
|
|
- /*
|
|
|
- * This does a scsi reset for all devices on the bus.
|
|
|
- * In principle, we could also reset the 1542 - should
|
|
|
- * we do this? Try this first, and we can add that later
|
|
|
- * if it turns out to be useful.
|
|
|
- */
|
|
|
- outb(HRST | SCRST, CONTROL(SCpnt->device->host->io_port));
|
|
|
-
|
|
|
- /*
|
|
|
- * Wait for the thing to settle down a bit. Unfortunately
|
|
|
- * this is going to basically lock up the machine while we
|
|
|
- * wait for this to complete. To be 100% correct, we need to
|
|
|
- * check for timeout, and if we are doing something like this
|
|
|
- * we are pretty desperate anyways.
|
|
|
- */
|
|
|
- ssleep(4);
|
|
|
- spin_lock_irq(SCpnt->device->host->host_lock);
|
|
|
-
|
|
|
- WAIT(STATUS(SCpnt->device->host->io_port),
|
|
|
- STATMASK, INIT | IDLE, STST | DIAGF | INVDCMD | DF | CDF);
|
|
|
-
|
|
|
/*
|
|
|
* We need to do this too before the 1542 can interact with
|
|
|
- * us again.
|
|
|
+ * us again after host reset.
|
|
|
*/
|
|
|
- setup_mailboxes(SCpnt->device->host->io_port, SCpnt->device->host);
|
|
|
+ if (reset_cmd & HRST)
|
|
|
+ setup_mailboxes(cmd->device->host);
|
|
|
|
|
|
/*
|
|
|
* Now try to pick up the pieces. For all pending commands,
|
|
@@ -1416,14 +882,14 @@ static int aha1542_host_reset(Scsi_Cmnd * SCpnt)
|
|
|
* out. We do not try and restart any commands or anything -
|
|
|
* the strategy handler takes care of that crap.
|
|
|
*/
|
|
|
- printk(KERN_WARNING "Sent BUS RESET to scsi host %d\n", SCpnt->device->host->host_no);
|
|
|
+ shost_printk(KERN_WARNING, cmd->device->host, "Sent BUS RESET to scsi host %d\n", cmd->device->host->host_no);
|
|
|
|
|
|
for (i = 0; i < AHA1542_MAILBOXES; i++) {
|
|
|
- if (HOSTDATA(SCpnt->device->host)->SCint[i] != NULL) {
|
|
|
- Scsi_Cmnd *SCtmp;
|
|
|
- SCtmp = HOSTDATA(SCpnt->device->host)->SCint[i];
|
|
|
+ if (aha1542->int_cmds[i] != NULL) {
|
|
|
+ struct scsi_cmnd *tmp_cmd;
|
|
|
+ tmp_cmd = aha1542->int_cmds[i];
|
|
|
|
|
|
- if (SCtmp->device->soft_reset) {
|
|
|
+ if (tmp_cmd->device->soft_reset) {
|
|
|
/*
|
|
|
* If this device implements the soft reset option,
|
|
|
* then it is still holding onto the command, and
|
|
@@ -1432,241 +898,51 @@ static int aha1542_host_reset(Scsi_Cmnd * SCpnt)
|
|
|
*/
|
|
|
continue;
|
|
|
}
|
|
|
- kfree(SCtmp->host_scribble);
|
|
|
- SCtmp->host_scribble = NULL;
|
|
|
- HOSTDATA(SCpnt->device->host)->SCint[i] = NULL;
|
|
|
- HOSTDATA(SCpnt->device->host)->mb[i].status = 0;
|
|
|
+ kfree(tmp_cmd->host_scribble);
|
|
|
+ tmp_cmd->host_scribble = NULL;
|
|
|
+ aha1542->int_cmds[i] = NULL;
|
|
|
+ aha1542->mb[i].status = 0;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
- spin_unlock_irq(SCpnt->device->host->host_lock);
|
|
|
+ spin_unlock_irqrestore(sh->host_lock, flags);
|
|
|
return SUCCESS;
|
|
|
-
|
|
|
-fail:
|
|
|
- spin_unlock_irq(SCpnt->device->host->host_lock);
|
|
|
- return FAILED;
|
|
|
}
|
|
|
|
|
|
-#if 0
|
|
|
-/*
|
|
|
- * These are the old error handling routines. They are only temporarily
|
|
|
- * here while we play with the new error handling code.
|
|
|
- */
|
|
|
-static int aha1542_old_abort(Scsi_Cmnd * SCpnt)
|
|
|
+static int aha1542_bus_reset(struct scsi_cmnd *cmd)
|
|
|
{
|
|
|
-#if 0
|
|
|
- unchar ahacmd = CMD_START_SCSI;
|
|
|
- unsigned long flags;
|
|
|
- struct mailbox *mb;
|
|
|
- int mbi, mbo, i;
|
|
|
-
|
|
|
- printk(KERN_DEBUG "In aha1542_abort: %x %x\n",
|
|
|
- inb(STATUS(SCpnt->host->io_port)),
|
|
|
- inb(INTRFLAGS(SCpnt->host->io_port)));
|
|
|
-
|
|
|
- spin_lock_irqsave(&aha1542_lock, flags);
|
|
|
- mb = HOSTDATA(SCpnt->host)->mb;
|
|
|
- mbi = HOSTDATA(SCpnt->host)->aha1542_last_mbi_used + 1;
|
|
|
- if (mbi >= 2 * AHA1542_MAILBOXES)
|
|
|
- mbi = AHA1542_MAILBOXES;
|
|
|
-
|
|
|
- do {
|
|
|
- if (mb[mbi].status != 0)
|
|
|
- break;
|
|
|
- mbi++;
|
|
|
- if (mbi >= 2 * AHA1542_MAILBOXES)
|
|
|
- mbi = AHA1542_MAILBOXES;
|
|
|
- } while (mbi != HOSTDATA(SCpnt->host)->aha1542_last_mbi_used);
|
|
|
- spin_unlock_irqrestore(&aha1542_lock, flags);
|
|
|
-
|
|
|
- if (mb[mbi].status) {
|
|
|
- printk(KERN_ERR "Lost interrupt discovered on irq %d - attempting to recover\n",
|
|
|
- SCpnt->host->irq);
|
|
|
- aha1542_intr_handle(SCpnt->host, NULL);
|
|
|
- return 0;
|
|
|
- }
|
|
|
- /* OK, no lost interrupt. Try looking to see how many pending commands
|
|
|
- we think we have. */
|
|
|
-
|
|
|
- for (i = 0; i < AHA1542_MAILBOXES; i++)
|
|
|
- if (HOSTDATA(SCpnt->host)->SCint[i]) {
|
|
|
- if (HOSTDATA(SCpnt->host)->SCint[i] == SCpnt) {
|
|
|
- printk(KERN_ERR "Timed out command pending for %s\n",
|
|
|
- SCpnt->request->rq_disk ?
|
|
|
- SCpnt->request->rq_disk->disk_name : "?"
|
|
|
- );
|
|
|
- if (HOSTDATA(SCpnt->host)->mb[i].status) {
|
|
|
- printk(KERN_ERR "OGMB still full - restarting\n");
|
|
|
- aha1542_out(SCpnt->host->io_port, &ahacmd, 1);
|
|
|
- };
|
|
|
- } else
|
|
|
- printk(KERN_ERR "Other pending command %s\n",
|
|
|
- SCpnt->request->rq_disk ?
|
|
|
- SCpnt->request->rq_disk->disk_name : "?"
|
|
|
- );
|
|
|
- }
|
|
|
-#endif
|
|
|
-
|
|
|
- DEB(printk("aha1542_abort\n"));
|
|
|
-#if 0
|
|
|
- spin_lock_irqsave(&aha1542_lock, flags);
|
|
|
- for (mbo = 0; mbo < AHA1542_MAILBOXES; mbo++) {
|
|
|
- if (SCpnt == HOSTDATA(SCpnt->host)->SCint[mbo]) {
|
|
|
- mb[mbo].status = 2; /* Abort command */
|
|
|
- aha1542_out(SCpnt->host->io_port, &ahacmd, 1); /* start scsi command */
|
|
|
- spin_unlock_irqrestore(&aha1542_lock, flags);
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
- if (AHA1542_MAILBOXES == mbo)
|
|
|
- spin_unlock_irqrestore(&aha1542_lock, flags);
|
|
|
-#endif
|
|
|
- return SCSI_ABORT_SNOOZE;
|
|
|
+ return aha1542_reset(cmd, SCRST);
|
|
|
}
|
|
|
|
|
|
-/* We do not implement a reset function here, but the upper level code
|
|
|
- assumes that it will get some kind of response for the command in
|
|
|
- SCpnt. We must oblige, or the command will hang the scsi system.
|
|
|
- For a first go, we assume that the 1542 notifies us with all of the
|
|
|
- pending commands (it does implement soft reset, after all). */
|
|
|
-
|
|
|
-static int aha1542_old_reset(Scsi_Cmnd * SCpnt, unsigned int reset_flags)
|
|
|
+static int aha1542_host_reset(struct scsi_cmnd *cmd)
|
|
|
{
|
|
|
- unchar ahacmd = CMD_START_SCSI;
|
|
|
- int i;
|
|
|
-
|
|
|
- /*
|
|
|
- * See if a bus reset was suggested.
|
|
|
- */
|
|
|
- if (reset_flags & SCSI_RESET_SUGGEST_BUS_RESET) {
|
|
|
- /*
|
|
|
- * This does a scsi reset for all devices on the bus.
|
|
|
- * In principle, we could also reset the 1542 - should
|
|
|
- * we do this? Try this first, and we can add that later
|
|
|
- * if it turns out to be useful.
|
|
|
- */
|
|
|
- outb(HRST | SCRST, CONTROL(SCpnt->host->io_port));
|
|
|
-
|
|
|
- /*
|
|
|
- * Wait for the thing to settle down a bit. Unfortunately
|
|
|
- * this is going to basically lock up the machine while we
|
|
|
- * wait for this to complete. To be 100% correct, we need to
|
|
|
- * check for timeout, and if we are doing something like this
|
|
|
- * we are pretty desperate anyways.
|
|
|
- */
|
|
|
- WAIT(STATUS(SCpnt->host->io_port),
|
|
|
- STATMASK, INIT | IDLE, STST | DIAGF | INVDCMD | DF | CDF);
|
|
|
-
|
|
|
- /*
|
|
|
- * We need to do this too before the 1542 can interact with
|
|
|
- * us again.
|
|
|
- */
|
|
|
- setup_mailboxes(SCpnt->host->io_port, SCpnt->host);
|
|
|
-
|
|
|
- /*
|
|
|
- * Now try to pick up the pieces. Restart all commands
|
|
|
- * that are currently active on the bus, and reset all of
|
|
|
- * the datastructures. We have some time to kill while
|
|
|
- * things settle down, so print a nice message.
|
|
|
- */
|
|
|
- printk(KERN_WARNING "Sent BUS RESET to scsi host %d\n", SCpnt->host->host_no);
|
|
|
-
|
|
|
- for (i = 0; i < AHA1542_MAILBOXES; i++)
|
|
|
- if (HOSTDATA(SCpnt->host)->SCint[i] != NULL) {
|
|
|
- Scsi_Cmnd *SCtmp;
|
|
|
- SCtmp = HOSTDATA(SCpnt->host)->SCint[i];
|
|
|
- SCtmp->result = DID_RESET << 16;
|
|
|
- kfree(SCtmp->host_scribble);
|
|
|
- SCtmp->host_scribble = NULL;
|
|
|
- printk(KERN_WARNING "Sending DID_RESET for target %d\n", SCpnt->target);
|
|
|
- SCtmp->scsi_done(SCpnt);
|
|
|
-
|
|
|
- HOSTDATA(SCpnt->host)->SCint[i] = NULL;
|
|
|
- HOSTDATA(SCpnt->host)->mb[i].status = 0;
|
|
|
- }
|
|
|
- /*
|
|
|
- * Now tell the mid-level code what we did here. Since
|
|
|
- * we have restarted all of the outstanding commands,
|
|
|
- * then report SUCCESS.
|
|
|
- */
|
|
|
- return (SCSI_RESET_SUCCESS | SCSI_RESET_BUS_RESET);
|
|
|
-fail:
|
|
|
- printk(KERN_CRIT "aha1542.c: Unable to perform hard reset.\n");
|
|
|
- printk(KERN_CRIT "Power cycle machine to reset\n");
|
|
|
- return (SCSI_RESET_ERROR | SCSI_RESET_BUS_RESET);
|
|
|
-
|
|
|
-
|
|
|
- } else {
|
|
|
- /* This does a selective reset of just the one device */
|
|
|
- /* First locate the ccb for this command */
|
|
|
- for (i = 0; i < AHA1542_MAILBOXES; i++)
|
|
|
- if (HOSTDATA(SCpnt->host)->SCint[i] == SCpnt) {
|
|
|
- HOSTDATA(SCpnt->host)->ccb[i].op = 0x81; /* BUS DEVICE RESET */
|
|
|
- /* Now tell the 1542 to flush all pending commands for this target */
|
|
|
- aha1542_out(SCpnt->host->io_port, &ahacmd, 1);
|
|
|
-
|
|
|
- /* Here is the tricky part. What to do next. Do we get an interrupt
|
|
|
- for the commands that we aborted with the specified target, or
|
|
|
- do we generate this on our own? Try it without first and see
|
|
|
- what happens */
|
|
|
- printk(KERN_WARNING "Sent BUS DEVICE RESET to target %d\n", SCpnt->target);
|
|
|
-
|
|
|
- /* If the first does not work, then try the second. I think the
|
|
|
- first option is more likely to be correct. Free the command
|
|
|
- block for all commands running on this target... */
|
|
|
- for (i = 0; i < AHA1542_MAILBOXES; i++)
|
|
|
- if (HOSTDATA(SCpnt->host)->SCint[i] &&
|
|
|
- HOSTDATA(SCpnt->host)->SCint[i]->target == SCpnt->target) {
|
|
|
- Scsi_Cmnd *SCtmp;
|
|
|
- SCtmp = HOSTDATA(SCpnt->host)->SCint[i];
|
|
|
- SCtmp->result = DID_RESET << 16;
|
|
|
- kfree(SCtmp->host_scribble);
|
|
|
- SCtmp->host_scribble = NULL;
|
|
|
- printk(KERN_WARNING "Sending DID_RESET for target %d\n", SCpnt->target);
|
|
|
- SCtmp->scsi_done(SCpnt);
|
|
|
-
|
|
|
- HOSTDATA(SCpnt->host)->SCint[i] = NULL;
|
|
|
- HOSTDATA(SCpnt->host)->mb[i].status = 0;
|
|
|
- }
|
|
|
- return SCSI_RESET_SUCCESS;
|
|
|
- }
|
|
|
- }
|
|
|
- /* No active command at this time, so this means that each time we got
|
|
|
- some kind of response the last time through. Tell the mid-level code
|
|
|
- to request sense information in order to decide what to do next. */
|
|
|
- return SCSI_RESET_PUNT;
|
|
|
+ return aha1542_reset(cmd, HRST | SCRST);
|
|
|
}
|
|
|
-#endif /* end of big comment block around old_abort + old_reset */
|
|
|
|
|
|
static int aha1542_biosparam(struct scsi_device *sdev,
|
|
|
- struct block_device *bdev, sector_t capacity, int *ip)
|
|
|
+ struct block_device *bdev, sector_t capacity, int geom[])
|
|
|
{
|
|
|
- int translation_algorithm;
|
|
|
- int size = capacity;
|
|
|
-
|
|
|
- translation_algorithm = HOSTDATA(sdev->host)->bios_translation;
|
|
|
+ struct aha1542_hostdata *aha1542 = shost_priv(sdev->host);
|
|
|
|
|
|
- if ((size >> 11) > 1024 && translation_algorithm == BIOS_TRANSLATION_25563) {
|
|
|
+ if (capacity >= 0x200000 &&
|
|
|
+ aha1542->bios_translation == BIOS_TRANSLATION_25563) {
|
|
|
/* Please verify that this is the same as what DOS returns */
|
|
|
- ip[0] = 255;
|
|
|
- ip[1] = 63;
|
|
|
- ip[2] = size / 255 / 63;
|
|
|
+ geom[0] = 255; /* heads */
|
|
|
+ geom[1] = 63; /* sectors */
|
|
|
} else {
|
|
|
- ip[0] = 64;
|
|
|
- ip[1] = 32;
|
|
|
- ip[2] = size >> 11;
|
|
|
+ geom[0] = 64; /* heads */
|
|
|
+ geom[1] = 32; /* sectors */
|
|
|
}
|
|
|
+ geom[2] = sector_div(capacity, geom[0] * geom[1]); /* cylinders */
|
|
|
|
|
|
return 0;
|
|
|
}
|
|
|
MODULE_LICENSE("GPL");
|
|
|
|
|
|
-
|
|
|
static struct scsi_host_template driver_template = {
|
|
|
+ .module = THIS_MODULE,
|
|
|
.proc_name = "aha1542",
|
|
|
.name = "Adaptec 1542",
|
|
|
- .detect = aha1542_detect,
|
|
|
- .release = aha1542_release,
|
|
|
.queuecommand = aha1542_queuecommand,
|
|
|
.eh_device_reset_handler= aha1542_dev_reset,
|
|
|
.eh_bus_reset_handler = aha1542_bus_reset,
|
|
@@ -1674,9 +950,124 @@ static struct scsi_host_template driver_template = {
|
|
|
.bios_param = aha1542_biosparam,
|
|
|
.can_queue = AHA1542_MAILBOXES,
|
|
|
.this_id = 7,
|
|
|
- .sg_tablesize = AHA1542_SCATTER,
|
|
|
- .cmd_per_lun = AHA1542_CMDLUN,
|
|
|
+ .sg_tablesize = 16,
|
|
|
+ .cmd_per_lun = 1,
|
|
|
.unchecked_isa_dma = 1,
|
|
|
.use_clustering = ENABLE_CLUSTERING,
|
|
|
};
|
|
|
-#include "scsi_module.c"
|
|
|
+
|
|
|
+static int aha1542_isa_match(struct device *pdev, unsigned int ndev)
|
|
|
+{
|
|
|
+ struct Scsi_Host *sh = aha1542_hw_init(&driver_template, pdev, ndev);
|
|
|
+
|
|
|
+ if (!sh)
|
|
|
+ return 0;
|
|
|
+
|
|
|
+ dev_set_drvdata(pdev, sh);
|
|
|
+ return 1;
|
|
|
+}
|
|
|
+
|
|
|
+static int aha1542_isa_remove(struct device *pdev,
|
|
|
+ unsigned int ndev)
|
|
|
+{
|
|
|
+ aha1542_release(dev_get_drvdata(pdev));
|
|
|
+ dev_set_drvdata(pdev, NULL);
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static struct isa_driver aha1542_isa_driver = {
|
|
|
+ .match = aha1542_isa_match,
|
|
|
+ .remove = aha1542_isa_remove,
|
|
|
+ .driver = {
|
|
|
+ .name = "aha1542"
|
|
|
+ },
|
|
|
+};
|
|
|
+static int isa_registered;
|
|
|
+
|
|
|
+#ifdef CONFIG_PNP
|
|
|
+static struct pnp_device_id aha1542_pnp_ids[] = {
|
|
|
+ { .id = "ADP1542" },
|
|
|
+ { .id = "" }
|
|
|
+};
|
|
|
+MODULE_DEVICE_TABLE(pnp, aha1542_pnp_ids);
|
|
|
+
|
|
|
+static int aha1542_pnp_probe(struct pnp_dev *pdev, const struct pnp_device_id *id)
|
|
|
+{
|
|
|
+ int indx;
|
|
|
+ struct Scsi_Host *sh;
|
|
|
+
|
|
|
+ for (indx = 0; indx < ARRAY_SIZE(io); indx++) {
|
|
|
+ if (io[indx])
|
|
|
+ continue;
|
|
|
+
|
|
|
+ if (pnp_activate_dev(pdev) < 0)
|
|
|
+ continue;
|
|
|
+
|
|
|
+ io[indx] = pnp_port_start(pdev, 0);
|
|
|
+
|
|
|
+ /* The card can be queried for its DMA, we have
|
|
|
+ the DMA set up that is enough */
|
|
|
+
|
|
|
+ dev_info(&pdev->dev, "ISAPnP found an AHA1535 at I/O 0x%03X", io[indx]);
|
|
|
+ }
|
|
|
+
|
|
|
+ sh = aha1542_hw_init(&driver_template, &pdev->dev, indx);
|
|
|
+ if (!sh)
|
|
|
+ return -ENODEV;
|
|
|
+
|
|
|
+ pnp_set_drvdata(pdev, sh);
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static void aha1542_pnp_remove(struct pnp_dev *pdev)
|
|
|
+{
|
|
|
+ aha1542_release(pnp_get_drvdata(pdev));
|
|
|
+ pnp_set_drvdata(pdev, NULL);
|
|
|
+}
|
|
|
+
|
|
|
+static struct pnp_driver aha1542_pnp_driver = {
|
|
|
+ .name = "aha1542",
|
|
|
+ .id_table = aha1542_pnp_ids,
|
|
|
+ .probe = aha1542_pnp_probe,
|
|
|
+ .remove = aha1542_pnp_remove,
|
|
|
+};
|
|
|
+static int pnp_registered;
|
|
|
+#endif /* CONFIG_PNP */
|
|
|
+
|
|
|
+static int __init aha1542_init(void)
|
|
|
+{
|
|
|
+ int ret = 0;
|
|
|
+
|
|
|
+#ifdef CONFIG_PNP
|
|
|
+ if (isapnp) {
|
|
|
+ ret = pnp_register_driver(&aha1542_pnp_driver);
|
|
|
+ if (!ret)
|
|
|
+ pnp_registered = 1;
|
|
|
+ }
|
|
|
+#endif
|
|
|
+ ret = isa_register_driver(&aha1542_isa_driver, MAXBOARDS);
|
|
|
+ if (!ret)
|
|
|
+ isa_registered = 1;
|
|
|
+
|
|
|
+#ifdef CONFIG_PNP
|
|
|
+ if (pnp_registered)
|
|
|
+ ret = 0;
|
|
|
+#endif
|
|
|
+ if (isa_registered)
|
|
|
+ ret = 0;
|
|
|
+
|
|
|
+ return ret;
|
|
|
+}
|
|
|
+
|
|
|
+static void __exit aha1542_exit(void)
|
|
|
+{
|
|
|
+#ifdef CONFIG_PNP
|
|
|
+ if (pnp_registered)
|
|
|
+ pnp_unregister_driver(&aha1542_pnp_driver);
|
|
|
+#endif
|
|
|
+ if (isa_registered)
|
|
|
+ isa_unregister_driver(&aha1542_isa_driver);
|
|
|
+}
|
|
|
+
|
|
|
+module_init(aha1542_init);
|
|
|
+module_exit(aha1542_exit);
|