videodev2.h 86 KB

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  1. /* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */
  2. /*
  3. * Video for Linux Two header file
  4. *
  5. * Copyright (C) 1999-2012 the contributors
  6. *
  7. * This program is free software; you can redistribute it and/or modify
  8. * it under the terms of the GNU General Public License as published by
  9. * the Free Software Foundation; either version 2 of the License, or
  10. * (at your option) any later version.
  11. *
  12. * This program is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15. * GNU General Public License for more details.
  16. *
  17. * Alternatively you can redistribute this file under the terms of the
  18. * BSD license as stated below:
  19. *
  20. * Redistribution and use in source and binary forms, with or without
  21. * modification, are permitted provided that the following conditions
  22. * are met:
  23. * 1. Redistributions of source code must retain the above copyright
  24. * notice, this list of conditions and the following disclaimer.
  25. * 2. Redistributions in binary form must reproduce the above copyright
  26. * notice, this list of conditions and the following disclaimer in
  27. * the documentation and/or other materials provided with the
  28. * distribution.
  29. * 3. The names of its contributors may not be used to endorse or promote
  30. * products derived from this software without specific prior written
  31. * permission.
  32. *
  33. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  34. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  35. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  36. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  37. * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  38. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
  39. * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  40. * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  41. * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  42. * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  43. * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  44. *
  45. * Header file for v4l or V4L2 drivers and applications
  46. * with public API.
  47. * All kernel-specific stuff were moved to media/v4l2-dev.h, so
  48. * no #if __KERNEL tests are allowed here
  49. *
  50. * See https://linuxtv.org for more info
  51. *
  52. * Author: Bill Dirks <bill@thedirks.org>
  53. * Justin Schoeman
  54. * Hans Verkuil <hverkuil@xs4all.nl>
  55. * et al.
  56. */
  57. #ifndef _UAPI__LINUX_VIDEODEV2_H
  58. #define _UAPI__LINUX_VIDEODEV2_H
  59. #ifndef __KERNEL__
  60. #include <sys/time.h>
  61. #endif
  62. #include <linux/compiler.h>
  63. #include <linux/ioctl.h>
  64. #include <linux/types.h>
  65. #include <linux/v4l2-common.h>
  66. #include <linux/v4l2-controls.h>
  67. /*
  68. * Common stuff for both V4L1 and V4L2
  69. * Moved from videodev.h
  70. */
  71. #define VIDEO_MAX_FRAME 32
  72. #define VIDEO_MAX_PLANES 8
  73. /*
  74. * M I S C E L L A N E O U S
  75. */
  76. /* Four-character-code (FOURCC) */
  77. #define v4l2_fourcc(a, b, c, d)\
  78. ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24))
  79. #define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1 << 31))
  80. /*
  81. * E N U M S
  82. */
  83. enum v4l2_field {
  84. V4L2_FIELD_ANY = 0, /* driver can choose from none,
  85. top, bottom, interlaced
  86. depending on whatever it thinks
  87. is approximate ... */
  88. V4L2_FIELD_NONE = 1, /* this device has no fields ... */
  89. V4L2_FIELD_TOP = 2, /* top field only */
  90. V4L2_FIELD_BOTTOM = 3, /* bottom field only */
  91. V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */
  92. V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one
  93. buffer, top-bottom order */
  94. V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */
  95. V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into
  96. separate buffers */
  97. V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field
  98. first and the top field is
  99. transmitted first */
  100. V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field
  101. first and the bottom field is
  102. transmitted first */
  103. };
  104. #define V4L2_FIELD_HAS_TOP(field) \
  105. ((field) == V4L2_FIELD_TOP ||\
  106. (field) == V4L2_FIELD_INTERLACED ||\
  107. (field) == V4L2_FIELD_INTERLACED_TB ||\
  108. (field) == V4L2_FIELD_INTERLACED_BT ||\
  109. (field) == V4L2_FIELD_SEQ_TB ||\
  110. (field) == V4L2_FIELD_SEQ_BT)
  111. #define V4L2_FIELD_HAS_BOTTOM(field) \
  112. ((field) == V4L2_FIELD_BOTTOM ||\
  113. (field) == V4L2_FIELD_INTERLACED ||\
  114. (field) == V4L2_FIELD_INTERLACED_TB ||\
  115. (field) == V4L2_FIELD_INTERLACED_BT ||\
  116. (field) == V4L2_FIELD_SEQ_TB ||\
  117. (field) == V4L2_FIELD_SEQ_BT)
  118. #define V4L2_FIELD_HAS_BOTH(field) \
  119. ((field) == V4L2_FIELD_INTERLACED ||\
  120. (field) == V4L2_FIELD_INTERLACED_TB ||\
  121. (field) == V4L2_FIELD_INTERLACED_BT ||\
  122. (field) == V4L2_FIELD_SEQ_TB ||\
  123. (field) == V4L2_FIELD_SEQ_BT)
  124. #define V4L2_FIELD_HAS_T_OR_B(field) \
  125. ((field) == V4L2_FIELD_BOTTOM ||\
  126. (field) == V4L2_FIELD_TOP ||\
  127. (field) == V4L2_FIELD_ALTERNATE)
  128. enum v4l2_buf_type {
  129. V4L2_BUF_TYPE_VIDEO_CAPTURE = 1,
  130. V4L2_BUF_TYPE_VIDEO_OUTPUT = 2,
  131. V4L2_BUF_TYPE_VIDEO_OVERLAY = 3,
  132. V4L2_BUF_TYPE_VBI_CAPTURE = 4,
  133. V4L2_BUF_TYPE_VBI_OUTPUT = 5,
  134. V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6,
  135. V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7,
  136. V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
  137. V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9,
  138. V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10,
  139. V4L2_BUF_TYPE_SDR_CAPTURE = 11,
  140. V4L2_BUF_TYPE_SDR_OUTPUT = 12,
  141. V4L2_BUF_TYPE_META_CAPTURE = 13,
  142. /* Deprecated, do not use */
  143. V4L2_BUF_TYPE_PRIVATE = 0x80,
  144. };
  145. #define V4L2_TYPE_IS_MULTIPLANAR(type) \
  146. ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \
  147. || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
  148. #define V4L2_TYPE_IS_OUTPUT(type) \
  149. ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \
  150. || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \
  151. || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \
  152. || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \
  153. || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \
  154. || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \
  155. || (type) == V4L2_BUF_TYPE_SDR_OUTPUT)
  156. enum v4l2_tuner_type {
  157. V4L2_TUNER_RADIO = 1,
  158. V4L2_TUNER_ANALOG_TV = 2,
  159. V4L2_TUNER_DIGITAL_TV = 3,
  160. V4L2_TUNER_SDR = 4,
  161. V4L2_TUNER_RF = 5,
  162. };
  163. /* Deprecated, do not use */
  164. #define V4L2_TUNER_ADC V4L2_TUNER_SDR
  165. enum v4l2_memory {
  166. V4L2_MEMORY_MMAP = 1,
  167. V4L2_MEMORY_USERPTR = 2,
  168. V4L2_MEMORY_OVERLAY = 3,
  169. V4L2_MEMORY_DMABUF = 4,
  170. };
  171. /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
  172. enum v4l2_colorspace {
  173. /*
  174. * Default colorspace, i.e. let the driver figure it out.
  175. * Can only be used with video capture.
  176. */
  177. V4L2_COLORSPACE_DEFAULT = 0,
  178. /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */
  179. V4L2_COLORSPACE_SMPTE170M = 1,
  180. /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */
  181. V4L2_COLORSPACE_SMPTE240M = 2,
  182. /* Rec.709: used for HDTV */
  183. V4L2_COLORSPACE_REC709 = 3,
  184. /*
  185. * Deprecated, do not use. No driver will ever return this. This was
  186. * based on a misunderstanding of the bt878 datasheet.
  187. */
  188. V4L2_COLORSPACE_BT878 = 4,
  189. /*
  190. * NTSC 1953 colorspace. This only makes sense when dealing with
  191. * really, really old NTSC recordings. Superseded by SMPTE 170M.
  192. */
  193. V4L2_COLORSPACE_470_SYSTEM_M = 5,
  194. /*
  195. * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when
  196. * dealing with really old PAL/SECAM recordings. Superseded by
  197. * SMPTE 170M.
  198. */
  199. V4L2_COLORSPACE_470_SYSTEM_BG = 6,
  200. /*
  201. * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601
  202. * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG.
  203. */
  204. V4L2_COLORSPACE_JPEG = 7,
  205. /* For RGB colorspaces such as produces by most webcams. */
  206. V4L2_COLORSPACE_SRGB = 8,
  207. /* opRGB colorspace */
  208. V4L2_COLORSPACE_OPRGB = 9,
  209. /* BT.2020 colorspace, used for UHDTV. */
  210. V4L2_COLORSPACE_BT2020 = 10,
  211. /* Raw colorspace: for RAW unprocessed images */
  212. V4L2_COLORSPACE_RAW = 11,
  213. /* DCI-P3 colorspace, used by cinema projectors */
  214. V4L2_COLORSPACE_DCI_P3 = 12,
  215. };
  216. /*
  217. * Determine how COLORSPACE_DEFAULT should map to a proper colorspace.
  218. * This depends on whether this is a SDTV image (use SMPTE 170M), an
  219. * HDTV image (use Rec. 709), or something else (use sRGB).
  220. */
  221. #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \
  222. ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \
  223. ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB))
  224. enum v4l2_xfer_func {
  225. /*
  226. * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions
  227. * for the various colorspaces:
  228. *
  229. * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
  230. * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and
  231. * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709
  232. *
  233. * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB
  234. *
  235. * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB
  236. *
  237. * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M
  238. *
  239. * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE
  240. *
  241. * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3
  242. */
  243. V4L2_XFER_FUNC_DEFAULT = 0,
  244. V4L2_XFER_FUNC_709 = 1,
  245. V4L2_XFER_FUNC_SRGB = 2,
  246. V4L2_XFER_FUNC_OPRGB = 3,
  247. V4L2_XFER_FUNC_SMPTE240M = 4,
  248. V4L2_XFER_FUNC_NONE = 5,
  249. V4L2_XFER_FUNC_DCI_P3 = 6,
  250. V4L2_XFER_FUNC_SMPTE2084 = 7,
  251. };
  252. /*
  253. * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function.
  254. * This depends on the colorspace.
  255. */
  256. #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \
  257. ((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \
  258. ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \
  259. ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \
  260. ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \
  261. ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \
  262. V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709)))))
  263. enum v4l2_ycbcr_encoding {
  264. /*
  265. * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the
  266. * various colorspaces:
  267. *
  268. * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
  269. * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB,
  270. * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601
  271. *
  272. * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709
  273. *
  274. * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020
  275. *
  276. * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M
  277. */
  278. V4L2_YCBCR_ENC_DEFAULT = 0,
  279. /* ITU-R 601 -- SDTV */
  280. V4L2_YCBCR_ENC_601 = 1,
  281. /* Rec. 709 -- HDTV */
  282. V4L2_YCBCR_ENC_709 = 2,
  283. /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */
  284. V4L2_YCBCR_ENC_XV601 = 3,
  285. /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */
  286. V4L2_YCBCR_ENC_XV709 = 4,
  287. #ifndef __KERNEL__
  288. /*
  289. * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added
  290. * originally due to a misunderstanding of the sYCC standard. It should
  291. * not be used, instead use V4L2_YCBCR_ENC_601.
  292. */
  293. V4L2_YCBCR_ENC_SYCC = 5,
  294. #endif
  295. /* BT.2020 Non-constant Luminance Y'CbCr */
  296. V4L2_YCBCR_ENC_BT2020 = 6,
  297. /* BT.2020 Constant Luminance Y'CbcCrc */
  298. V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7,
  299. /* SMPTE 240M -- Obsolete HDTV */
  300. V4L2_YCBCR_ENC_SMPTE240M = 8,
  301. };
  302. /*
  303. * enum v4l2_hsv_encoding values should not collide with the ones from
  304. * enum v4l2_ycbcr_encoding.
  305. */
  306. enum v4l2_hsv_encoding {
  307. /* Hue mapped to 0 - 179 */
  308. V4L2_HSV_ENC_180 = 128,
  309. /* Hue mapped to 0-255 */
  310. V4L2_HSV_ENC_256 = 129,
  311. };
  312. /*
  313. * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding.
  314. * This depends on the colorspace.
  315. */
  316. #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \
  317. (((colsp) == V4L2_COLORSPACE_REC709 || \
  318. (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \
  319. ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \
  320. ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \
  321. V4L2_YCBCR_ENC_601)))
  322. enum v4l2_quantization {
  323. /*
  324. * The default for R'G'B' quantization is always full range, except
  325. * for the BT2020 colorspace. For Y'CbCr the quantization is always
  326. * limited range, except for COLORSPACE_JPEG: this is full range.
  327. */
  328. V4L2_QUANTIZATION_DEFAULT = 0,
  329. V4L2_QUANTIZATION_FULL_RANGE = 1,
  330. V4L2_QUANTIZATION_LIM_RANGE = 2,
  331. };
  332. /*
  333. * Determine how QUANTIZATION_DEFAULT should map to a proper quantization.
  334. * This depends on whether the image is RGB or not, the colorspace and the
  335. * Y'CbCr encoding.
  336. */
  337. #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \
  338. (((is_rgb_or_hsv) && (colsp) == V4L2_COLORSPACE_BT2020) ? \
  339. V4L2_QUANTIZATION_LIM_RANGE : \
  340. (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \
  341. V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE))
  342. /*
  343. * Deprecated names for opRGB colorspace (IEC 61966-2-5)
  344. *
  345. * WARNING: Please don't use these deprecated defines in your code, as
  346. * there is a chance we have to remove them in the future.
  347. */
  348. #ifndef __KERNEL__
  349. #define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB
  350. #define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB
  351. #endif
  352. enum v4l2_priority {
  353. V4L2_PRIORITY_UNSET = 0, /* not initialized */
  354. V4L2_PRIORITY_BACKGROUND = 1,
  355. V4L2_PRIORITY_INTERACTIVE = 2,
  356. V4L2_PRIORITY_RECORD = 3,
  357. V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE,
  358. };
  359. struct v4l2_rect {
  360. __s32 left;
  361. __s32 top;
  362. __u32 width;
  363. __u32 height;
  364. };
  365. struct v4l2_fract {
  366. __u32 numerator;
  367. __u32 denominator;
  368. };
  369. /**
  370. * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
  371. *
  372. * @driver: name of the driver module (e.g. "bttv")
  373. * @card: name of the card (e.g. "Hauppauge WinTV")
  374. * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) )
  375. * @version: KERNEL_VERSION
  376. * @capabilities: capabilities of the physical device as a whole
  377. * @device_caps: capabilities accessed via this particular device (node)
  378. * @reserved: reserved fields for future extensions
  379. */
  380. struct v4l2_capability {
  381. __u8 driver[16];
  382. __u8 card[32];
  383. __u8 bus_info[32];
  384. __u32 version;
  385. __u32 capabilities;
  386. __u32 device_caps;
  387. __u32 reserved[3];
  388. };
  389. /* Values for 'capabilities' field */
  390. #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */
  391. #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */
  392. #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */
  393. #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */
  394. #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */
  395. #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */
  396. #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */
  397. #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */
  398. #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */
  399. #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */
  400. #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */
  401. /* Is a video capture device that supports multiplanar formats */
  402. #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000
  403. /* Is a video output device that supports multiplanar formats */
  404. #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000
  405. /* Is a video mem-to-mem device that supports multiplanar formats */
  406. #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000
  407. /* Is a video mem-to-mem device */
  408. #define V4L2_CAP_VIDEO_M2M 0x00008000
  409. #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */
  410. #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */
  411. #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */
  412. #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */
  413. #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */
  414. #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */
  415. #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */
  416. #define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */
  417. #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
  418. #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */
  419. #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */
  420. #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */
  421. #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */
  422. /*
  423. * V I D E O I M A G E F O R M A T
  424. */
  425. struct v4l2_pix_format {
  426. __u32 width;
  427. __u32 height;
  428. __u32 pixelformat;
  429. __u32 field; /* enum v4l2_field */
  430. __u32 bytesperline; /* for padding, zero if unused */
  431. __u32 sizeimage;
  432. __u32 colorspace; /* enum v4l2_colorspace */
  433. __u32 priv; /* private data, depends on pixelformat */
  434. __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */
  435. union {
  436. /* enum v4l2_ycbcr_encoding */
  437. __u32 ycbcr_enc;
  438. /* enum v4l2_hsv_encoding */
  439. __u32 hsv_enc;
  440. };
  441. __u32 quantization; /* enum v4l2_quantization */
  442. __u32 xfer_func; /* enum v4l2_xfer_func */
  443. };
  444. /* Pixel format FOURCC depth Description */
  445. /* RGB formats */
  446. #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */
  447. #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */
  448. #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */
  449. #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */
  450. #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */
  451. #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */
  452. #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */
  453. #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */
  454. #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */
  455. #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */
  456. #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */
  457. #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */
  458. #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */
  459. #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */
  460. #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */
  461. #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */
  462. #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */
  463. #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */
  464. #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */
  465. #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */
  466. #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */
  467. /* Grey formats */
  468. #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */
  469. #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */
  470. #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */
  471. #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */
  472. #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */
  473. #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */
  474. #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */
  475. /* Grey bit-packed formats */
  476. #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */
  477. #define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */
  478. /* Palette formats */
  479. #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */
  480. /* Chrominance formats */
  481. #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */
  482. /* Luminance+Chrominance formats */
  483. #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */
  484. #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */
  485. #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
  486. #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */
  487. #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */
  488. #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */
  489. #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */
  490. #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */
  491. #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */
  492. #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */
  493. #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */
  494. #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */
  495. #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */
  496. /* two planes -- one Y, one Cr + Cb interleaved */
  497. #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */
  498. #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */
  499. #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */
  500. #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */
  501. #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */
  502. #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */
  503. /* two non contiguous planes - one Y, one Cr + Cb interleaved */
  504. #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */
  505. #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */
  506. #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */
  507. #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */
  508. #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */
  509. #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */
  510. /* three planes - Y Cb, Cr */
  511. #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */
  512. #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */
  513. #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */
  514. #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */
  515. #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */
  516. #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */
  517. /* three non contiguous planes - Y, Cb, Cr */
  518. #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */
  519. #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */
  520. #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */
  521. #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */
  522. #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */
  523. #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */
  524. /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
  525. #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */
  526. #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */
  527. #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */
  528. #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */
  529. #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */
  530. #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */
  531. #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */
  532. #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */
  533. /* 10bit raw bayer packed, 5 bytes for every 4 pixels */
  534. #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A')
  535. #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A')
  536. #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A')
  537. #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A')
  538. /* 10bit raw bayer a-law compressed to 8 bits */
  539. #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
  540. #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
  541. #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
  542. #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
  543. /* 10bit raw bayer DPCM compressed to 8 bits */
  544. #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
  545. #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
  546. #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
  547. #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
  548. #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */
  549. #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */
  550. #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */
  551. #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */
  552. /* 12bit raw bayer packed, 6 bytes for every 4 pixels */
  553. #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C')
  554. #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C')
  555. #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C')
  556. #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C')
  557. /* 14bit raw bayer packed, 7 bytes for every 4 pixels */
  558. #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E')
  559. #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E')
  560. #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E')
  561. #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E')
  562. #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */
  563. #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */
  564. #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */
  565. #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */
  566. /* HSV formats */
  567. #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3')
  568. #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4')
  569. /* compressed formats */
  570. #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */
  571. #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */
  572. #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */
  573. #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
  574. #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
  575. #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
  576. #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
  577. #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */
  578. #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */
  579. #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */
  580. #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */
  581. #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */
  582. #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */
  583. #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
  584. #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
  585. #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */
  586. #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */
  587. #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */
  588. #define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */
  589. /* Vendor-specific formats */
  590. #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
  591. #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
  592. #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
  593. #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
  594. #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
  595. #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
  596. #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
  597. #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
  598. #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
  599. #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
  600. #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
  601. #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
  602. #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
  603. #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */
  604. #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
  605. #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
  606. #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
  607. #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
  608. #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
  609. #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
  610. #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
  611. #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
  612. #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
  613. #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
  614. #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */
  615. #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
  616. #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */
  617. #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
  618. #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
  619. #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */
  620. #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */
  621. #define V4L2_PIX_FMT_SUNXI_TILED_NV12 v4l2_fourcc('S', 'T', '1', '2') /* Sunxi Tiled NV12 Format */
  622. /* 10bit raw bayer packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */
  623. #define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */
  624. #define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */
  625. #define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */
  626. #define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */
  627. /* SDR formats - used only for Software Defined Radio devices */
  628. #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
  629. #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
  630. #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */
  631. #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */
  632. #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
  633. #define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */
  634. #define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */
  635. #define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */
  636. /* Touch formats - used for Touch devices */
  637. #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */
  638. #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */
  639. #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */
  640. #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */
  641. /* Meta-data formats */
  642. #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */
  643. #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
  644. #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */
  645. #define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */
  646. /* priv field value to indicates that subsequent fields are valid. */
  647. #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe
  648. /* Flags */
  649. #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001
  650. /*
  651. * F O R M A T E N U M E R A T I O N
  652. */
  653. struct v4l2_fmtdesc {
  654. __u32 index; /* Format number */
  655. __u32 type; /* enum v4l2_buf_type */
  656. __u32 flags;
  657. __u8 description[32]; /* Description string */
  658. __u32 pixelformat; /* Format fourcc */
  659. __u32 reserved[4];
  660. };
  661. #define V4L2_FMT_FLAG_COMPRESSED 0x0001
  662. #define V4L2_FMT_FLAG_EMULATED 0x0002
  663. /* Frame Size and frame rate enumeration */
  664. /*
  665. * F R A M E S I Z E E N U M E R A T I O N
  666. */
  667. enum v4l2_frmsizetypes {
  668. V4L2_FRMSIZE_TYPE_DISCRETE = 1,
  669. V4L2_FRMSIZE_TYPE_CONTINUOUS = 2,
  670. V4L2_FRMSIZE_TYPE_STEPWISE = 3,
  671. };
  672. struct v4l2_frmsize_discrete {
  673. __u32 width; /* Frame width [pixel] */
  674. __u32 height; /* Frame height [pixel] */
  675. };
  676. struct v4l2_frmsize_stepwise {
  677. __u32 min_width; /* Minimum frame width [pixel] */
  678. __u32 max_width; /* Maximum frame width [pixel] */
  679. __u32 step_width; /* Frame width step size [pixel] */
  680. __u32 min_height; /* Minimum frame height [pixel] */
  681. __u32 max_height; /* Maximum frame height [pixel] */
  682. __u32 step_height; /* Frame height step size [pixel] */
  683. };
  684. struct v4l2_frmsizeenum {
  685. __u32 index; /* Frame size number */
  686. __u32 pixel_format; /* Pixel format */
  687. __u32 type; /* Frame size type the device supports. */
  688. union { /* Frame size */
  689. struct v4l2_frmsize_discrete discrete;
  690. struct v4l2_frmsize_stepwise stepwise;
  691. };
  692. __u32 reserved[2]; /* Reserved space for future use */
  693. };
  694. /*
  695. * F R A M E R A T E E N U M E R A T I O N
  696. */
  697. enum v4l2_frmivaltypes {
  698. V4L2_FRMIVAL_TYPE_DISCRETE = 1,
  699. V4L2_FRMIVAL_TYPE_CONTINUOUS = 2,
  700. V4L2_FRMIVAL_TYPE_STEPWISE = 3,
  701. };
  702. struct v4l2_frmival_stepwise {
  703. struct v4l2_fract min; /* Minimum frame interval [s] */
  704. struct v4l2_fract max; /* Maximum frame interval [s] */
  705. struct v4l2_fract step; /* Frame interval step size [s] */
  706. };
  707. struct v4l2_frmivalenum {
  708. __u32 index; /* Frame format index */
  709. __u32 pixel_format; /* Pixel format */
  710. __u32 width; /* Frame width */
  711. __u32 height; /* Frame height */
  712. __u32 type; /* Frame interval type the device supports. */
  713. union { /* Frame interval */
  714. struct v4l2_fract discrete;
  715. struct v4l2_frmival_stepwise stepwise;
  716. };
  717. __u32 reserved[2]; /* Reserved space for future use */
  718. };
  719. /*
  720. * T I M E C O D E
  721. */
  722. struct v4l2_timecode {
  723. __u32 type;
  724. __u32 flags;
  725. __u8 frames;
  726. __u8 seconds;
  727. __u8 minutes;
  728. __u8 hours;
  729. __u8 userbits[4];
  730. };
  731. /* Type */
  732. #define V4L2_TC_TYPE_24FPS 1
  733. #define V4L2_TC_TYPE_25FPS 2
  734. #define V4L2_TC_TYPE_30FPS 3
  735. #define V4L2_TC_TYPE_50FPS 4
  736. #define V4L2_TC_TYPE_60FPS 5
  737. /* Flags */
  738. #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */
  739. #define V4L2_TC_FLAG_COLORFRAME 0x0002
  740. #define V4L2_TC_USERBITS_field 0x000C
  741. #define V4L2_TC_USERBITS_USERDEFINED 0x0000
  742. #define V4L2_TC_USERBITS_8BITCHARS 0x0008
  743. /* The above is based on SMPTE timecodes */
  744. struct v4l2_jpegcompression {
  745. int quality;
  746. int APPn; /* Number of APP segment to be written,
  747. * must be 0..15 */
  748. int APP_len; /* Length of data in JPEG APPn segment */
  749. char APP_data[60]; /* Data in the JPEG APPn segment. */
  750. int COM_len; /* Length of data in JPEG COM segment */
  751. char COM_data[60]; /* Data in JPEG COM segment */
  752. __u32 jpeg_markers; /* Which markers should go into the JPEG
  753. * output. Unless you exactly know what
  754. * you do, leave them untouched.
  755. * Including less markers will make the
  756. * resulting code smaller, but there will
  757. * be fewer applications which can read it.
  758. * The presence of the APP and COM marker
  759. * is influenced by APP_len and COM_len
  760. * ONLY, not by this property! */
  761. #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */
  762. #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */
  763. #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
  764. #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */
  765. #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will
  766. * always use APP0 */
  767. };
  768. /*
  769. * M E M O R Y - M A P P I N G B U F F E R S
  770. */
  771. struct v4l2_requestbuffers {
  772. __u32 count;
  773. __u32 type; /* enum v4l2_buf_type */
  774. __u32 memory; /* enum v4l2_memory */
  775. __u32 capabilities;
  776. __u32 reserved[1];
  777. };
  778. /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */
  779. #define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0)
  780. #define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1)
  781. #define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2)
  782. #define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3)
  783. /**
  784. * struct v4l2_plane - plane info for multi-planar buffers
  785. * @bytesused: number of bytes occupied by data in the plane (payload)
  786. * @length: size of this plane (NOT the payload) in bytes
  787. * @mem_offset: when memory in the associated struct v4l2_buffer is
  788. * V4L2_MEMORY_MMAP, equals the offset from the start of
  789. * the device memory for this plane (or is a "cookie" that
  790. * should be passed to mmap() called on the video node)
  791. * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer
  792. * pointing to this plane
  793. * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file
  794. * descriptor associated with this plane
  795. * @data_offset: offset in the plane to the start of data; usually 0,
  796. * unless there is a header in front of the data
  797. *
  798. * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
  799. * with two planes can have one plane for Y, and another for interleaved CbCr
  800. * components. Each plane can reside in a separate memory buffer, or even in
  801. * a completely separate memory node (e.g. in embedded devices).
  802. */
  803. struct v4l2_plane {
  804. __u32 bytesused;
  805. __u32 length;
  806. union {
  807. __u32 mem_offset;
  808. unsigned long userptr;
  809. __s32 fd;
  810. } m;
  811. __u32 data_offset;
  812. __u32 reserved[11];
  813. };
  814. /**
  815. * struct v4l2_buffer - video buffer info
  816. * @index: id number of the buffer
  817. * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
  818. * multiplanar buffers);
  819. * @bytesused: number of bytes occupied by data in the buffer (payload);
  820. * unused (set to 0) for multiplanar buffers
  821. * @flags: buffer informational flags
  822. * @field: enum v4l2_field; field order of the image in the buffer
  823. * @timestamp: frame timestamp
  824. * @timecode: frame timecode
  825. * @sequence: sequence count of this frame
  826. * @memory: enum v4l2_memory; the method, in which the actual video data is
  827. * passed
  828. * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
  829. * offset from the start of the device memory for this plane,
  830. * (or a "cookie" that should be passed to mmap() as offset)
  831. * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
  832. * a userspace pointer pointing to this buffer
  833. * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
  834. * a userspace file descriptor associated with this buffer
  835. * @planes: for multiplanar buffers; userspace pointer to the array of plane
  836. * info structs for this buffer
  837. * @length: size in bytes of the buffer (NOT its payload) for single-plane
  838. * buffers (when type != *_MPLANE); number of elements in the
  839. * planes array for multi-plane buffers
  840. * @request_fd: fd of the request that this buffer should use
  841. *
  842. * Contains data exchanged by application and driver using one of the Streaming
  843. * I/O methods.
  844. */
  845. struct v4l2_buffer {
  846. __u32 index;
  847. __u32 type;
  848. __u32 bytesused;
  849. __u32 flags;
  850. __u32 field;
  851. struct timeval timestamp;
  852. struct v4l2_timecode timecode;
  853. __u32 sequence;
  854. /* memory location */
  855. __u32 memory;
  856. union {
  857. __u32 offset;
  858. unsigned long userptr;
  859. struct v4l2_plane *planes;
  860. __s32 fd;
  861. } m;
  862. __u32 length;
  863. __u32 reserved2;
  864. union {
  865. __s32 request_fd;
  866. __u32 reserved;
  867. };
  868. };
  869. /* Flags for 'flags' field */
  870. /* Buffer is mapped (flag) */
  871. #define V4L2_BUF_FLAG_MAPPED 0x00000001
  872. /* Buffer is queued for processing */
  873. #define V4L2_BUF_FLAG_QUEUED 0x00000002
  874. /* Buffer is ready */
  875. #define V4L2_BUF_FLAG_DONE 0x00000004
  876. /* Image is a keyframe (I-frame) */
  877. #define V4L2_BUF_FLAG_KEYFRAME 0x00000008
  878. /* Image is a P-frame */
  879. #define V4L2_BUF_FLAG_PFRAME 0x00000010
  880. /* Image is a B-frame */
  881. #define V4L2_BUF_FLAG_BFRAME 0x00000020
  882. /* Buffer is ready, but the data contained within is corrupted. */
  883. #define V4L2_BUF_FLAG_ERROR 0x00000040
  884. /* Buffer is added to an unqueued request */
  885. #define V4L2_BUF_FLAG_IN_REQUEST 0x00000080
  886. /* timecode field is valid */
  887. #define V4L2_BUF_FLAG_TIMECODE 0x00000100
  888. /* Buffer is prepared for queuing */
  889. #define V4L2_BUF_FLAG_PREPARED 0x00000400
  890. /* Cache handling flags */
  891. #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800
  892. #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000
  893. /* Timestamp type */
  894. #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000
  895. #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000
  896. #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000
  897. #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000
  898. /* Timestamp sources. */
  899. #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000
  900. #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000
  901. #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000
  902. /* mem2mem encoder/decoder */
  903. #define V4L2_BUF_FLAG_LAST 0x00100000
  904. /* request_fd is valid */
  905. #define V4L2_BUF_FLAG_REQUEST_FD 0x00800000
  906. /**
  907. * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
  908. *
  909. * @index: id number of the buffer
  910. * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
  911. * multiplanar buffers);
  912. * @plane: index of the plane to be exported, 0 for single plane queues
  913. * @flags: flags for newly created file, currently only O_CLOEXEC is
  914. * supported, refer to manual of open syscall for more details
  915. * @fd: file descriptor associated with DMABUF (set by driver)
  916. *
  917. * Contains data used for exporting a video buffer as DMABUF file descriptor.
  918. * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
  919. * (identical to the cookie used to mmap() the buffer to userspace). All
  920. * reserved fields must be set to zero. The field reserved0 is expected to
  921. * become a structure 'type' allowing an alternative layout of the structure
  922. * content. Therefore this field should not be used for any other extensions.
  923. */
  924. struct v4l2_exportbuffer {
  925. __u32 type; /* enum v4l2_buf_type */
  926. __u32 index;
  927. __u32 plane;
  928. __u32 flags;
  929. __s32 fd;
  930. __u32 reserved[11];
  931. };
  932. /*
  933. * O V E R L A Y P R E V I E W
  934. */
  935. struct v4l2_framebuffer {
  936. __u32 capability;
  937. __u32 flags;
  938. /* FIXME: in theory we should pass something like PCI device + memory
  939. * region + offset instead of some physical address */
  940. void *base;
  941. struct {
  942. __u32 width;
  943. __u32 height;
  944. __u32 pixelformat;
  945. __u32 field; /* enum v4l2_field */
  946. __u32 bytesperline; /* for padding, zero if unused */
  947. __u32 sizeimage;
  948. __u32 colorspace; /* enum v4l2_colorspace */
  949. __u32 priv; /* reserved field, set to 0 */
  950. } fmt;
  951. };
  952. /* Flags for the 'capability' field. Read only */
  953. #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
  954. #define V4L2_FBUF_CAP_CHROMAKEY 0x0002
  955. #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004
  956. #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008
  957. #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010
  958. #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020
  959. #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040
  960. #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080
  961. /* Flags for the 'flags' field. */
  962. #define V4L2_FBUF_FLAG_PRIMARY 0x0001
  963. #define V4L2_FBUF_FLAG_OVERLAY 0x0002
  964. #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004
  965. #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008
  966. #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010
  967. #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020
  968. #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040
  969. struct v4l2_clip {
  970. struct v4l2_rect c;
  971. struct v4l2_clip __user *next;
  972. };
  973. struct v4l2_window {
  974. struct v4l2_rect w;
  975. __u32 field; /* enum v4l2_field */
  976. __u32 chromakey;
  977. struct v4l2_clip __user *clips;
  978. __u32 clipcount;
  979. void __user *bitmap;
  980. __u8 global_alpha;
  981. };
  982. /*
  983. * C A P T U R E P A R A M E T E R S
  984. */
  985. struct v4l2_captureparm {
  986. __u32 capability; /* Supported modes */
  987. __u32 capturemode; /* Current mode */
  988. struct v4l2_fract timeperframe; /* Time per frame in seconds */
  989. __u32 extendedmode; /* Driver-specific extensions */
  990. __u32 readbuffers; /* # of buffers for read */
  991. __u32 reserved[4];
  992. };
  993. /* Flags for 'capability' and 'capturemode' fields */
  994. #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */
  995. #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */
  996. struct v4l2_outputparm {
  997. __u32 capability; /* Supported modes */
  998. __u32 outputmode; /* Current mode */
  999. struct v4l2_fract timeperframe; /* Time per frame in seconds */
  1000. __u32 extendedmode; /* Driver-specific extensions */
  1001. __u32 writebuffers; /* # of buffers for write */
  1002. __u32 reserved[4];
  1003. };
  1004. /*
  1005. * I N P U T I M A G E C R O P P I N G
  1006. */
  1007. struct v4l2_cropcap {
  1008. __u32 type; /* enum v4l2_buf_type */
  1009. struct v4l2_rect bounds;
  1010. struct v4l2_rect defrect;
  1011. struct v4l2_fract pixelaspect;
  1012. };
  1013. struct v4l2_crop {
  1014. __u32 type; /* enum v4l2_buf_type */
  1015. struct v4l2_rect c;
  1016. };
  1017. /**
  1018. * struct v4l2_selection - selection info
  1019. * @type: buffer type (do not use *_MPLANE types)
  1020. * @target: Selection target, used to choose one of possible rectangles;
  1021. * defined in v4l2-common.h; V4L2_SEL_TGT_* .
  1022. * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
  1023. * @r: coordinates of selection window
  1024. * @reserved: for future use, rounds structure size to 64 bytes, set to zero
  1025. *
  1026. * Hardware may use multiple helper windows to process a video stream.
  1027. * The structure is used to exchange this selection areas between
  1028. * an application and a driver.
  1029. */
  1030. struct v4l2_selection {
  1031. __u32 type;
  1032. __u32 target;
  1033. __u32 flags;
  1034. struct v4l2_rect r;
  1035. __u32 reserved[9];
  1036. };
  1037. /*
  1038. * A N A L O G V I D E O S T A N D A R D
  1039. */
  1040. typedef __u64 v4l2_std_id;
  1041. /* one bit for each */
  1042. #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001)
  1043. #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002)
  1044. #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004)
  1045. #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008)
  1046. #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010)
  1047. #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020)
  1048. #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040)
  1049. #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080)
  1050. #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100)
  1051. #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200)
  1052. #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
  1053. #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
  1054. #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */
  1055. #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */
  1056. #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000)
  1057. #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */
  1058. #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
  1059. #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
  1060. #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000)
  1061. #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000)
  1062. #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
  1063. #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
  1064. #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
  1065. #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000)
  1066. /* ATSC/HDTV */
  1067. #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
  1068. #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000)
  1069. /* FIXME:
  1070. Although std_id is 64 bits, there is an issue on PPC32 architecture that
  1071. makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
  1072. this value to 32 bits.
  1073. As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
  1074. it should work fine. However, if needed to add more than two standards,
  1075. v4l2-common.c should be fixed.
  1076. */
  1077. /*
  1078. * Some macros to merge video standards in order to make live easier for the
  1079. * drivers and V4L2 applications
  1080. */
  1081. /*
  1082. * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
  1083. * Missing here.
  1084. */
  1085. #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\
  1086. V4L2_STD_NTSC_M_JP |\
  1087. V4L2_STD_NTSC_M_KR)
  1088. /* Secam macros */
  1089. #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\
  1090. V4L2_STD_SECAM_K |\
  1091. V4L2_STD_SECAM_K1)
  1092. /* All Secam Standards */
  1093. #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\
  1094. V4L2_STD_SECAM_G |\
  1095. V4L2_STD_SECAM_H |\
  1096. V4L2_STD_SECAM_DK |\
  1097. V4L2_STD_SECAM_L |\
  1098. V4L2_STD_SECAM_LC)
  1099. /* PAL macros */
  1100. #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\
  1101. V4L2_STD_PAL_B1 |\
  1102. V4L2_STD_PAL_G)
  1103. #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\
  1104. V4L2_STD_PAL_D1 |\
  1105. V4L2_STD_PAL_K)
  1106. /*
  1107. * "Common" PAL - This macro is there to be compatible with the old
  1108. * V4L1 concept of "PAL": /BGDKHI.
  1109. * Several PAL standards are missing here: /M, /N and /Nc
  1110. */
  1111. #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\
  1112. V4L2_STD_PAL_DK |\
  1113. V4L2_STD_PAL_H |\
  1114. V4L2_STD_PAL_I)
  1115. /* Chroma "agnostic" standards */
  1116. #define V4L2_STD_B (V4L2_STD_PAL_B |\
  1117. V4L2_STD_PAL_B1 |\
  1118. V4L2_STD_SECAM_B)
  1119. #define V4L2_STD_G (V4L2_STD_PAL_G |\
  1120. V4L2_STD_SECAM_G)
  1121. #define V4L2_STD_H (V4L2_STD_PAL_H |\
  1122. V4L2_STD_SECAM_H)
  1123. #define V4L2_STD_L (V4L2_STD_SECAM_L |\
  1124. V4L2_STD_SECAM_LC)
  1125. #define V4L2_STD_GH (V4L2_STD_G |\
  1126. V4L2_STD_H)
  1127. #define V4L2_STD_DK (V4L2_STD_PAL_DK |\
  1128. V4L2_STD_SECAM_DK)
  1129. #define V4L2_STD_BG (V4L2_STD_B |\
  1130. V4L2_STD_G)
  1131. #define V4L2_STD_MN (V4L2_STD_PAL_M |\
  1132. V4L2_STD_PAL_N |\
  1133. V4L2_STD_PAL_Nc |\
  1134. V4L2_STD_NTSC)
  1135. /* Standards where MTS/BTSC stereo could be found */
  1136. #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\
  1137. V4L2_STD_PAL_M |\
  1138. V4L2_STD_PAL_N |\
  1139. V4L2_STD_PAL_Nc)
  1140. /* Standards for Countries with 60Hz Line frequency */
  1141. #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\
  1142. V4L2_STD_PAL_60 |\
  1143. V4L2_STD_NTSC |\
  1144. V4L2_STD_NTSC_443)
  1145. /* Standards for Countries with 50Hz Line frequency */
  1146. #define V4L2_STD_625_50 (V4L2_STD_PAL |\
  1147. V4L2_STD_PAL_N |\
  1148. V4L2_STD_PAL_Nc |\
  1149. V4L2_STD_SECAM)
  1150. #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\
  1151. V4L2_STD_ATSC_16_VSB)
  1152. /* Macros with none and all analog standards */
  1153. #define V4L2_STD_UNKNOWN 0
  1154. #define V4L2_STD_ALL (V4L2_STD_525_60 |\
  1155. V4L2_STD_625_50)
  1156. struct v4l2_standard {
  1157. __u32 index;
  1158. v4l2_std_id id;
  1159. __u8 name[24];
  1160. struct v4l2_fract frameperiod; /* Frames, not fields */
  1161. __u32 framelines;
  1162. __u32 reserved[4];
  1163. };
  1164. /*
  1165. * D V B T T I M I N G S
  1166. */
  1167. /** struct v4l2_bt_timings - BT.656/BT.1120 timing data
  1168. * @width: total width of the active video in pixels
  1169. * @height: total height of the active video in lines
  1170. * @interlaced: Interlaced or progressive
  1171. * @polarities: Positive or negative polarities
  1172. * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
  1173. * @hfrontporch:Horizontal front porch in pixels
  1174. * @hsync: Horizontal Sync length in pixels
  1175. * @hbackporch: Horizontal back porch in pixels
  1176. * @vfrontporch:Vertical front porch in lines
  1177. * @vsync: Vertical Sync length in lines
  1178. * @vbackporch: Vertical back porch in lines
  1179. * @il_vfrontporch:Vertical front porch for the even field
  1180. * (aka field 2) of interlaced field formats
  1181. * @il_vsync: Vertical Sync length for the even field
  1182. * (aka field 2) of interlaced field formats
  1183. * @il_vbackporch:Vertical back porch for the even field
  1184. * (aka field 2) of interlaced field formats
  1185. * @standards: Standards the timing belongs to
  1186. * @flags: Flags
  1187. * @picture_aspect: The picture aspect ratio (hor/vert).
  1188. * @cea861_vic: VIC code as per the CEA-861 standard.
  1189. * @hdmi_vic: VIC code as per the HDMI standard.
  1190. * @reserved: Reserved fields, must be zeroed.
  1191. *
  1192. * A note regarding vertical interlaced timings: height refers to the total
  1193. * height of the active video frame (= two fields). The blanking timings refer
  1194. * to the blanking of each field. So the height of the total frame is
  1195. * calculated as follows:
  1196. *
  1197. * tot_height = height + vfrontporch + vsync + vbackporch +
  1198. * il_vfrontporch + il_vsync + il_vbackporch
  1199. *
  1200. * The active height of each field is height / 2.
  1201. */
  1202. struct v4l2_bt_timings {
  1203. __u32 width;
  1204. __u32 height;
  1205. __u32 interlaced;
  1206. __u32 polarities;
  1207. __u64 pixelclock;
  1208. __u32 hfrontporch;
  1209. __u32 hsync;
  1210. __u32 hbackporch;
  1211. __u32 vfrontporch;
  1212. __u32 vsync;
  1213. __u32 vbackporch;
  1214. __u32 il_vfrontporch;
  1215. __u32 il_vsync;
  1216. __u32 il_vbackporch;
  1217. __u32 standards;
  1218. __u32 flags;
  1219. struct v4l2_fract picture_aspect;
  1220. __u8 cea861_vic;
  1221. __u8 hdmi_vic;
  1222. __u8 reserved[46];
  1223. } __attribute__ ((packed));
  1224. /* Interlaced or progressive format */
  1225. #define V4L2_DV_PROGRESSIVE 0
  1226. #define V4L2_DV_INTERLACED 1
  1227. /* Polarities. If bit is not set, it is assumed to be negative polarity */
  1228. #define V4L2_DV_VSYNC_POS_POL 0x00000001
  1229. #define V4L2_DV_HSYNC_POS_POL 0x00000002
  1230. /* Timings standards */
  1231. #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */
  1232. #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */
  1233. #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */
  1234. #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */
  1235. #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */
  1236. /* Flags */
  1237. /*
  1238. * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
  1239. * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
  1240. * intervals are reduced, allowing a higher resolution over the same
  1241. * bandwidth. This is a read-only flag.
  1242. */
  1243. #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0)
  1244. /*
  1245. * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
  1246. * of six. These formats can be optionally played at 1 / 1.001 speed.
  1247. * This is a read-only flag.
  1248. */
  1249. #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1)
  1250. /*
  1251. * CEA-861 specific: only valid for video transmitters, the flag is cleared
  1252. * by receivers.
  1253. * If the framerate of the format is a multiple of six, then the pixelclock
  1254. * used to set up the transmitter is divided by 1.001 to make it compatible
  1255. * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
  1256. * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
  1257. * such frequencies, then the flag will also be cleared.
  1258. */
  1259. #define V4L2_DV_FL_REDUCED_FPS (1 << 2)
  1260. /*
  1261. * Specific to interlaced formats: if set, then field 1 is really one half-line
  1262. * longer and field 2 is really one half-line shorter, so each field has
  1263. * exactly the same number of half-lines. Whether half-lines can be detected
  1264. * or used depends on the hardware.
  1265. */
  1266. #define V4L2_DV_FL_HALF_LINE (1 << 3)
  1267. /*
  1268. * If set, then this is a Consumer Electronics (CE) video format. Such formats
  1269. * differ from other formats (commonly called IT formats) in that if RGB
  1270. * encoding is used then by default the RGB values use limited range (i.e.
  1271. * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861
  1272. * except for the 640x480 format are CE formats.
  1273. */
  1274. #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4)
  1275. /* Some formats like SMPTE-125M have an interlaced signal with a odd
  1276. * total height. For these formats, if this flag is set, the first
  1277. * field has the extra line. If not, it is the second field.
  1278. */
  1279. #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5)
  1280. /*
  1281. * If set, then the picture_aspect field is valid. Otherwise assume that the
  1282. * pixels are square, so the picture aspect ratio is the same as the width to
  1283. * height ratio.
  1284. */
  1285. #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6)
  1286. /*
  1287. * If set, then the cea861_vic field is valid and contains the Video
  1288. * Identification Code as per the CEA-861 standard.
  1289. */
  1290. #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7)
  1291. /*
  1292. * If set, then the hdmi_vic field is valid and contains the Video
  1293. * Identification Code as per the HDMI standard (HDMI Vendor Specific
  1294. * InfoFrame).
  1295. */
  1296. #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8)
  1297. /*
  1298. * CEA-861 specific: only valid for video receivers.
  1299. * If set, then HW can detect the difference between regular FPS and
  1300. * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with
  1301. * the V4L2_DV_FL_CAN_REDUCE_FPS flag set.
  1302. */
  1303. #define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9)
  1304. /* A few useful defines to calculate the total blanking and frame sizes */
  1305. #define V4L2_DV_BT_BLANKING_WIDTH(bt) \
  1306. ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch)
  1307. #define V4L2_DV_BT_FRAME_WIDTH(bt) \
  1308. ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt))
  1309. #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \
  1310. ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \
  1311. (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch)
  1312. #define V4L2_DV_BT_FRAME_HEIGHT(bt) \
  1313. ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))
  1314. /** struct v4l2_dv_timings - DV timings
  1315. * @type: the type of the timings
  1316. * @bt: BT656/1120 timings
  1317. */
  1318. struct v4l2_dv_timings {
  1319. __u32 type;
  1320. union {
  1321. struct v4l2_bt_timings bt;
  1322. __u32 reserved[32];
  1323. };
  1324. } __attribute__ ((packed));
  1325. /* Values for the type field */
  1326. #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */
  1327. /** struct v4l2_enum_dv_timings - DV timings enumeration
  1328. * @index: enumeration index
  1329. * @pad: the pad number for which to enumerate timings (used with
  1330. * v4l-subdev nodes only)
  1331. * @reserved: must be zeroed
  1332. * @timings: the timings for the given index
  1333. */
  1334. struct v4l2_enum_dv_timings {
  1335. __u32 index;
  1336. __u32 pad;
  1337. __u32 reserved[2];
  1338. struct v4l2_dv_timings timings;
  1339. };
  1340. /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
  1341. * @min_width: width in pixels
  1342. * @max_width: width in pixels
  1343. * @min_height: height in lines
  1344. * @max_height: height in lines
  1345. * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
  1346. * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
  1347. * @standards: Supported standards
  1348. * @capabilities: Supported capabilities
  1349. * @reserved: Must be zeroed
  1350. */
  1351. struct v4l2_bt_timings_cap {
  1352. __u32 min_width;
  1353. __u32 max_width;
  1354. __u32 min_height;
  1355. __u32 max_height;
  1356. __u64 min_pixelclock;
  1357. __u64 max_pixelclock;
  1358. __u32 standards;
  1359. __u32 capabilities;
  1360. __u32 reserved[16];
  1361. } __attribute__ ((packed));
  1362. /* Supports interlaced formats */
  1363. #define V4L2_DV_BT_CAP_INTERLACED (1 << 0)
  1364. /* Supports progressive formats */
  1365. #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1)
  1366. /* Supports CVT/GTF reduced blanking */
  1367. #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2)
  1368. /* Supports custom formats */
  1369. #define V4L2_DV_BT_CAP_CUSTOM (1 << 3)
  1370. /** struct v4l2_dv_timings_cap - DV timings capabilities
  1371. * @type: the type of the timings (same as in struct v4l2_dv_timings)
  1372. * @pad: the pad number for which to query capabilities (used with
  1373. * v4l-subdev nodes only)
  1374. * @bt: the BT656/1120 timings capabilities
  1375. */
  1376. struct v4l2_dv_timings_cap {
  1377. __u32 type;
  1378. __u32 pad;
  1379. __u32 reserved[2];
  1380. union {
  1381. struct v4l2_bt_timings_cap bt;
  1382. __u32 raw_data[32];
  1383. };
  1384. };
  1385. /*
  1386. * V I D E O I N P U T S
  1387. */
  1388. struct v4l2_input {
  1389. __u32 index; /* Which input */
  1390. __u8 name[32]; /* Label */
  1391. __u32 type; /* Type of input */
  1392. __u32 audioset; /* Associated audios (bitfield) */
  1393. __u32 tuner; /* enum v4l2_tuner_type */
  1394. v4l2_std_id std;
  1395. __u32 status;
  1396. __u32 capabilities;
  1397. __u32 reserved[3];
  1398. };
  1399. /* Values for the 'type' field */
  1400. #define V4L2_INPUT_TYPE_TUNER 1
  1401. #define V4L2_INPUT_TYPE_CAMERA 2
  1402. #define V4L2_INPUT_TYPE_TOUCH 3
  1403. /* field 'status' - general */
  1404. #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */
  1405. #define V4L2_IN_ST_NO_SIGNAL 0x00000002
  1406. #define V4L2_IN_ST_NO_COLOR 0x00000004
  1407. /* field 'status' - sensor orientation */
  1408. /* If sensor is mounted upside down set both bits */
  1409. #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */
  1410. #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */
  1411. /* field 'status' - analog */
  1412. #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
  1413. #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
  1414. #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */
  1415. #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */
  1416. /* field 'status' - digital */
  1417. #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */
  1418. #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */
  1419. #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */
  1420. /* field 'status' - VCR and set-top box */
  1421. #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */
  1422. #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */
  1423. #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */
  1424. /* capabilities flags */
  1425. #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
  1426. #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
  1427. #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */
  1428. #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
  1429. /*
  1430. * V I D E O O U T P U T S
  1431. */
  1432. struct v4l2_output {
  1433. __u32 index; /* Which output */
  1434. __u8 name[32]; /* Label */
  1435. __u32 type; /* Type of output */
  1436. __u32 audioset; /* Associated audios (bitfield) */
  1437. __u32 modulator; /* Associated modulator */
  1438. v4l2_std_id std;
  1439. __u32 capabilities;
  1440. __u32 reserved[3];
  1441. };
  1442. /* Values for the 'type' field */
  1443. #define V4L2_OUTPUT_TYPE_MODULATOR 1
  1444. #define V4L2_OUTPUT_TYPE_ANALOG 2
  1445. #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3
  1446. /* capabilities flags */
  1447. #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
  1448. #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
  1449. #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */
  1450. #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
  1451. /*
  1452. * C O N T R O L S
  1453. */
  1454. struct v4l2_control {
  1455. __u32 id;
  1456. __s32 value;
  1457. };
  1458. struct v4l2_ext_control {
  1459. __u32 id;
  1460. __u32 size;
  1461. __u32 reserved2[1];
  1462. union {
  1463. __s32 value;
  1464. __s64 value64;
  1465. char __user *string;
  1466. __u8 __user *p_u8;
  1467. __u16 __user *p_u16;
  1468. __u32 __user *p_u32;
  1469. void __user *ptr;
  1470. };
  1471. } __attribute__ ((packed));
  1472. struct v4l2_ext_controls {
  1473. union {
  1474. #ifndef __KERNEL__
  1475. __u32 ctrl_class;
  1476. #endif
  1477. __u32 which;
  1478. };
  1479. __u32 count;
  1480. __u32 error_idx;
  1481. __s32 request_fd;
  1482. __u32 reserved[1];
  1483. struct v4l2_ext_control *controls;
  1484. };
  1485. #define V4L2_CTRL_ID_MASK (0x0fffffff)
  1486. #ifndef __KERNEL__
  1487. #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL)
  1488. #endif
  1489. #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL)
  1490. #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
  1491. #define V4L2_CTRL_MAX_DIMS (4)
  1492. #define V4L2_CTRL_WHICH_CUR_VAL 0
  1493. #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000
  1494. #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000
  1495. enum v4l2_ctrl_type {
  1496. V4L2_CTRL_TYPE_INTEGER = 1,
  1497. V4L2_CTRL_TYPE_BOOLEAN = 2,
  1498. V4L2_CTRL_TYPE_MENU = 3,
  1499. V4L2_CTRL_TYPE_BUTTON = 4,
  1500. V4L2_CTRL_TYPE_INTEGER64 = 5,
  1501. V4L2_CTRL_TYPE_CTRL_CLASS = 6,
  1502. V4L2_CTRL_TYPE_STRING = 7,
  1503. V4L2_CTRL_TYPE_BITMASK = 8,
  1504. V4L2_CTRL_TYPE_INTEGER_MENU = 9,
  1505. /* Compound types are >= 0x0100 */
  1506. V4L2_CTRL_COMPOUND_TYPES = 0x0100,
  1507. V4L2_CTRL_TYPE_U8 = 0x0100,
  1508. V4L2_CTRL_TYPE_U16 = 0x0101,
  1509. V4L2_CTRL_TYPE_U32 = 0x0102,
  1510. };
  1511. /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
  1512. struct v4l2_queryctrl {
  1513. __u32 id;
  1514. __u32 type; /* enum v4l2_ctrl_type */
  1515. __u8 name[32]; /* Whatever */
  1516. __s32 minimum; /* Note signedness */
  1517. __s32 maximum;
  1518. __s32 step;
  1519. __s32 default_value;
  1520. __u32 flags;
  1521. __u32 reserved[2];
  1522. };
  1523. /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */
  1524. struct v4l2_query_ext_ctrl {
  1525. __u32 id;
  1526. __u32 type;
  1527. char name[32];
  1528. __s64 minimum;
  1529. __s64 maximum;
  1530. __u64 step;
  1531. __s64 default_value;
  1532. __u32 flags;
  1533. __u32 elem_size;
  1534. __u32 elems;
  1535. __u32 nr_of_dims;
  1536. __u32 dims[V4L2_CTRL_MAX_DIMS];
  1537. __u32 reserved[32];
  1538. };
  1539. /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
  1540. struct v4l2_querymenu {
  1541. __u32 id;
  1542. __u32 index;
  1543. union {
  1544. __u8 name[32]; /* Whatever */
  1545. __s64 value;
  1546. };
  1547. __u32 reserved;
  1548. } __attribute__ ((packed));
  1549. /* Control flags */
  1550. #define V4L2_CTRL_FLAG_DISABLED 0x0001
  1551. #define V4L2_CTRL_FLAG_GRABBED 0x0002
  1552. #define V4L2_CTRL_FLAG_READ_ONLY 0x0004
  1553. #define V4L2_CTRL_FLAG_UPDATE 0x0008
  1554. #define V4L2_CTRL_FLAG_INACTIVE 0x0010
  1555. #define V4L2_CTRL_FLAG_SLIDER 0x0020
  1556. #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040
  1557. #define V4L2_CTRL_FLAG_VOLATILE 0x0080
  1558. #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100
  1559. #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200
  1560. #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400
  1561. /* Query flags, to be ORed with the control ID */
  1562. #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000
  1563. #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000
  1564. /* User-class control IDs defined by V4L2 */
  1565. #define V4L2_CID_MAX_CTRLS 1024
  1566. /* IDs reserved for driver specific controls */
  1567. #define V4L2_CID_PRIVATE_BASE 0x08000000
  1568. /*
  1569. * T U N I N G
  1570. */
  1571. struct v4l2_tuner {
  1572. __u32 index;
  1573. __u8 name[32];
  1574. __u32 type; /* enum v4l2_tuner_type */
  1575. __u32 capability;
  1576. __u32 rangelow;
  1577. __u32 rangehigh;
  1578. __u32 rxsubchans;
  1579. __u32 audmode;
  1580. __s32 signal;
  1581. __s32 afc;
  1582. __u32 reserved[4];
  1583. };
  1584. struct v4l2_modulator {
  1585. __u32 index;
  1586. __u8 name[32];
  1587. __u32 capability;
  1588. __u32 rangelow;
  1589. __u32 rangehigh;
  1590. __u32 txsubchans;
  1591. __u32 type; /* enum v4l2_tuner_type */
  1592. __u32 reserved[3];
  1593. };
  1594. /* Flags for the 'capability' field */
  1595. #define V4L2_TUNER_CAP_LOW 0x0001
  1596. #define V4L2_TUNER_CAP_NORM 0x0002
  1597. #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004
  1598. #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008
  1599. #define V4L2_TUNER_CAP_STEREO 0x0010
  1600. #define V4L2_TUNER_CAP_LANG2 0x0020
  1601. #define V4L2_TUNER_CAP_SAP 0x0020
  1602. #define V4L2_TUNER_CAP_LANG1 0x0040
  1603. #define V4L2_TUNER_CAP_RDS 0x0080
  1604. #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100
  1605. #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200
  1606. #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400
  1607. #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800
  1608. #define V4L2_TUNER_CAP_1HZ 0x1000
  1609. /* Flags for the 'rxsubchans' field */
  1610. #define V4L2_TUNER_SUB_MONO 0x0001
  1611. #define V4L2_TUNER_SUB_STEREO 0x0002
  1612. #define V4L2_TUNER_SUB_LANG2 0x0004
  1613. #define V4L2_TUNER_SUB_SAP 0x0004
  1614. #define V4L2_TUNER_SUB_LANG1 0x0008
  1615. #define V4L2_TUNER_SUB_RDS 0x0010
  1616. /* Values for the 'audmode' field */
  1617. #define V4L2_TUNER_MODE_MONO 0x0000
  1618. #define V4L2_TUNER_MODE_STEREO 0x0001
  1619. #define V4L2_TUNER_MODE_LANG2 0x0002
  1620. #define V4L2_TUNER_MODE_SAP 0x0002
  1621. #define V4L2_TUNER_MODE_LANG1 0x0003
  1622. #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004
  1623. struct v4l2_frequency {
  1624. __u32 tuner;
  1625. __u32 type; /* enum v4l2_tuner_type */
  1626. __u32 frequency;
  1627. __u32 reserved[8];
  1628. };
  1629. #define V4L2_BAND_MODULATION_VSB (1 << 1)
  1630. #define V4L2_BAND_MODULATION_FM (1 << 2)
  1631. #define V4L2_BAND_MODULATION_AM (1 << 3)
  1632. struct v4l2_frequency_band {
  1633. __u32 tuner;
  1634. __u32 type; /* enum v4l2_tuner_type */
  1635. __u32 index;
  1636. __u32 capability;
  1637. __u32 rangelow;
  1638. __u32 rangehigh;
  1639. __u32 modulation;
  1640. __u32 reserved[9];
  1641. };
  1642. struct v4l2_hw_freq_seek {
  1643. __u32 tuner;
  1644. __u32 type; /* enum v4l2_tuner_type */
  1645. __u32 seek_upward;
  1646. __u32 wrap_around;
  1647. __u32 spacing;
  1648. __u32 rangelow;
  1649. __u32 rangehigh;
  1650. __u32 reserved[5];
  1651. };
  1652. /*
  1653. * R D S
  1654. */
  1655. struct v4l2_rds_data {
  1656. __u8 lsb;
  1657. __u8 msb;
  1658. __u8 block;
  1659. } __attribute__ ((packed));
  1660. #define V4L2_RDS_BLOCK_MSK 0x7
  1661. #define V4L2_RDS_BLOCK_A 0
  1662. #define V4L2_RDS_BLOCK_B 1
  1663. #define V4L2_RDS_BLOCK_C 2
  1664. #define V4L2_RDS_BLOCK_D 3
  1665. #define V4L2_RDS_BLOCK_C_ALT 4
  1666. #define V4L2_RDS_BLOCK_INVALID 7
  1667. #define V4L2_RDS_BLOCK_CORRECTED 0x40
  1668. #define V4L2_RDS_BLOCK_ERROR 0x80
  1669. /*
  1670. * A U D I O
  1671. */
  1672. struct v4l2_audio {
  1673. __u32 index;
  1674. __u8 name[32];
  1675. __u32 capability;
  1676. __u32 mode;
  1677. __u32 reserved[2];
  1678. };
  1679. /* Flags for the 'capability' field */
  1680. #define V4L2_AUDCAP_STEREO 0x00001
  1681. #define V4L2_AUDCAP_AVL 0x00002
  1682. /* Flags for the 'mode' field */
  1683. #define V4L2_AUDMODE_AVL 0x00001
  1684. struct v4l2_audioout {
  1685. __u32 index;
  1686. __u8 name[32];
  1687. __u32 capability;
  1688. __u32 mode;
  1689. __u32 reserved[2];
  1690. };
  1691. /*
  1692. * M P E G S E R V I C E S
  1693. */
  1694. #if 1
  1695. #define V4L2_ENC_IDX_FRAME_I (0)
  1696. #define V4L2_ENC_IDX_FRAME_P (1)
  1697. #define V4L2_ENC_IDX_FRAME_B (2)
  1698. #define V4L2_ENC_IDX_FRAME_MASK (0xf)
  1699. struct v4l2_enc_idx_entry {
  1700. __u64 offset;
  1701. __u64 pts;
  1702. __u32 length;
  1703. __u32 flags;
  1704. __u32 reserved[2];
  1705. };
  1706. #define V4L2_ENC_IDX_ENTRIES (64)
  1707. struct v4l2_enc_idx {
  1708. __u32 entries;
  1709. __u32 entries_cap;
  1710. __u32 reserved[4];
  1711. struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
  1712. };
  1713. #define V4L2_ENC_CMD_START (0)
  1714. #define V4L2_ENC_CMD_STOP (1)
  1715. #define V4L2_ENC_CMD_PAUSE (2)
  1716. #define V4L2_ENC_CMD_RESUME (3)
  1717. /* Flags for V4L2_ENC_CMD_STOP */
  1718. #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0)
  1719. struct v4l2_encoder_cmd {
  1720. __u32 cmd;
  1721. __u32 flags;
  1722. union {
  1723. struct {
  1724. __u32 data[8];
  1725. } raw;
  1726. };
  1727. };
  1728. /* Decoder commands */
  1729. #define V4L2_DEC_CMD_START (0)
  1730. #define V4L2_DEC_CMD_STOP (1)
  1731. #define V4L2_DEC_CMD_PAUSE (2)
  1732. #define V4L2_DEC_CMD_RESUME (3)
  1733. /* Flags for V4L2_DEC_CMD_START */
  1734. #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0)
  1735. /* Flags for V4L2_DEC_CMD_PAUSE */
  1736. #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0)
  1737. /* Flags for V4L2_DEC_CMD_STOP */
  1738. #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0)
  1739. #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1)
  1740. /* Play format requirements (returned by the driver): */
  1741. /* The decoder has no special format requirements */
  1742. #define V4L2_DEC_START_FMT_NONE (0)
  1743. /* The decoder requires full GOPs */
  1744. #define V4L2_DEC_START_FMT_GOP (1)
  1745. /* The structure must be zeroed before use by the application
  1746. This ensures it can be extended safely in the future. */
  1747. struct v4l2_decoder_cmd {
  1748. __u32 cmd;
  1749. __u32 flags;
  1750. union {
  1751. struct {
  1752. __u64 pts;
  1753. } stop;
  1754. struct {
  1755. /* 0 or 1000 specifies normal speed,
  1756. 1 specifies forward single stepping,
  1757. -1 specifies backward single stepping,
  1758. >1: playback at speed/1000 of the normal speed,
  1759. <-1: reverse playback at (-speed/1000) of the normal speed. */
  1760. __s32 speed;
  1761. __u32 format;
  1762. } start;
  1763. struct {
  1764. __u32 data[16];
  1765. } raw;
  1766. };
  1767. };
  1768. #endif
  1769. /*
  1770. * D A T A S E R V I C E S ( V B I )
  1771. *
  1772. * Data services API by Michael Schimek
  1773. */
  1774. /* Raw VBI */
  1775. struct v4l2_vbi_format {
  1776. __u32 sampling_rate; /* in 1 Hz */
  1777. __u32 offset;
  1778. __u32 samples_per_line;
  1779. __u32 sample_format; /* V4L2_PIX_FMT_* */
  1780. __s32 start[2];
  1781. __u32 count[2];
  1782. __u32 flags; /* V4L2_VBI_* */
  1783. __u32 reserved[2]; /* must be zero */
  1784. };
  1785. /* VBI flags */
  1786. #define V4L2_VBI_UNSYNC (1 << 0)
  1787. #define V4L2_VBI_INTERLACED (1 << 1)
  1788. /* ITU-R start lines for each field */
  1789. #define V4L2_VBI_ITU_525_F1_START (1)
  1790. #define V4L2_VBI_ITU_525_F2_START (264)
  1791. #define V4L2_VBI_ITU_625_F1_START (1)
  1792. #define V4L2_VBI_ITU_625_F2_START (314)
  1793. /* Sliced VBI
  1794. *
  1795. * This implements is a proposal V4L2 API to allow SLICED VBI
  1796. * required for some hardware encoders. It should change without
  1797. * notice in the definitive implementation.
  1798. */
  1799. struct v4l2_sliced_vbi_format {
  1800. __u16 service_set;
  1801. /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
  1802. service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
  1803. (equals frame lines 313-336 for 625 line video
  1804. standards, 263-286 for 525 line standards) */
  1805. __u16 service_lines[2][24];
  1806. __u32 io_size;
  1807. __u32 reserved[2]; /* must be zero */
  1808. };
  1809. /* Teletext World System Teletext
  1810. (WST), defined on ITU-R BT.653-2 */
  1811. #define V4L2_SLICED_TELETEXT_B (0x0001)
  1812. /* Video Program System, defined on ETS 300 231*/
  1813. #define V4L2_SLICED_VPS (0x0400)
  1814. /* Closed Caption, defined on EIA-608 */
  1815. #define V4L2_SLICED_CAPTION_525 (0x1000)
  1816. /* Wide Screen System, defined on ITU-R BT1119.1 */
  1817. #define V4L2_SLICED_WSS_625 (0x4000)
  1818. #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525)
  1819. #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
  1820. struct v4l2_sliced_vbi_cap {
  1821. __u16 service_set;
  1822. /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
  1823. service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
  1824. (equals frame lines 313-336 for 625 line video
  1825. standards, 263-286 for 525 line standards) */
  1826. __u16 service_lines[2][24];
  1827. __u32 type; /* enum v4l2_buf_type */
  1828. __u32 reserved[3]; /* must be 0 */
  1829. };
  1830. struct v4l2_sliced_vbi_data {
  1831. __u32 id;
  1832. __u32 field; /* 0: first field, 1: second field */
  1833. __u32 line; /* 1-23 */
  1834. __u32 reserved; /* must be 0 */
  1835. __u8 data[48];
  1836. };
  1837. /*
  1838. * Sliced VBI data inserted into MPEG Streams
  1839. */
  1840. /*
  1841. * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
  1842. *
  1843. * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
  1844. * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
  1845. * data
  1846. *
  1847. * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
  1848. * definitions are not included here. See the MPEG-2 specifications for details
  1849. * on these headers.
  1850. */
  1851. /* Line type IDs */
  1852. #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1)
  1853. #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4)
  1854. #define V4L2_MPEG_VBI_IVTV_WSS_625 (5)
  1855. #define V4L2_MPEG_VBI_IVTV_VPS (7)
  1856. struct v4l2_mpeg_vbi_itv0_line {
  1857. __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */
  1858. __u8 data[42]; /* Sliced VBI data for the line */
  1859. } __attribute__ ((packed));
  1860. struct v4l2_mpeg_vbi_itv0 {
  1861. __le32 linemask[2]; /* Bitmasks of VBI service lines present */
  1862. struct v4l2_mpeg_vbi_itv0_line line[35];
  1863. } __attribute__ ((packed));
  1864. struct v4l2_mpeg_vbi_ITV0 {
  1865. struct v4l2_mpeg_vbi_itv0_line line[36];
  1866. } __attribute__ ((packed));
  1867. #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0"
  1868. #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0"
  1869. struct v4l2_mpeg_vbi_fmt_ivtv {
  1870. __u8 magic[4];
  1871. union {
  1872. struct v4l2_mpeg_vbi_itv0 itv0;
  1873. struct v4l2_mpeg_vbi_ITV0 ITV0;
  1874. };
  1875. } __attribute__ ((packed));
  1876. /*
  1877. * A G G R E G A T E S T R U C T U R E S
  1878. */
  1879. /**
  1880. * struct v4l2_plane_pix_format - additional, per-plane format definition
  1881. * @sizeimage: maximum size in bytes required for data, for which
  1882. * this plane will be used
  1883. * @bytesperline: distance in bytes between the leftmost pixels in two
  1884. * adjacent lines
  1885. */
  1886. struct v4l2_plane_pix_format {
  1887. __u32 sizeimage;
  1888. __u32 bytesperline;
  1889. __u16 reserved[6];
  1890. } __attribute__ ((packed));
  1891. /**
  1892. * struct v4l2_pix_format_mplane - multiplanar format definition
  1893. * @width: image width in pixels
  1894. * @height: image height in pixels
  1895. * @pixelformat: little endian four character code (fourcc)
  1896. * @field: enum v4l2_field; field order (for interlaced video)
  1897. * @colorspace: enum v4l2_colorspace; supplemental to pixelformat
  1898. * @plane_fmt: per-plane information
  1899. * @num_planes: number of planes for this format
  1900. * @flags: format flags (V4L2_PIX_FMT_FLAG_*)
  1901. * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding
  1902. * @quantization: enum v4l2_quantization, colorspace quantization
  1903. * @xfer_func: enum v4l2_xfer_func, colorspace transfer function
  1904. */
  1905. struct v4l2_pix_format_mplane {
  1906. __u32 width;
  1907. __u32 height;
  1908. __u32 pixelformat;
  1909. __u32 field;
  1910. __u32 colorspace;
  1911. struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES];
  1912. __u8 num_planes;
  1913. __u8 flags;
  1914. union {
  1915. __u8 ycbcr_enc;
  1916. __u8 hsv_enc;
  1917. };
  1918. __u8 quantization;
  1919. __u8 xfer_func;
  1920. __u8 reserved[7];
  1921. } __attribute__ ((packed));
  1922. /**
  1923. * struct v4l2_sdr_format - SDR format definition
  1924. * @pixelformat: little endian four character code (fourcc)
  1925. * @buffersize: maximum size in bytes required for data
  1926. */
  1927. struct v4l2_sdr_format {
  1928. __u32 pixelformat;
  1929. __u32 buffersize;
  1930. __u8 reserved[24];
  1931. } __attribute__ ((packed));
  1932. /**
  1933. * struct v4l2_meta_format - metadata format definition
  1934. * @dataformat: little endian four character code (fourcc)
  1935. * @buffersize: maximum size in bytes required for data
  1936. */
  1937. struct v4l2_meta_format {
  1938. __u32 dataformat;
  1939. __u32 buffersize;
  1940. } __attribute__ ((packed));
  1941. /**
  1942. * struct v4l2_format - stream data format
  1943. * @type: enum v4l2_buf_type; type of the data stream
  1944. * @pix: definition of an image format
  1945. * @pix_mp: definition of a multiplanar image format
  1946. * @win: definition of an overlaid image
  1947. * @vbi: raw VBI capture or output parameters
  1948. * @sliced: sliced VBI capture or output parameters
  1949. * @raw_data: placeholder for future extensions and custom formats
  1950. */
  1951. struct v4l2_format {
  1952. __u32 type;
  1953. union {
  1954. struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
  1955. struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
  1956. struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
  1957. struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */
  1958. struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
  1959. struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */
  1960. struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */
  1961. __u8 raw_data[200]; /* user-defined */
  1962. } fmt;
  1963. };
  1964. /* Stream type-dependent parameters
  1965. */
  1966. struct v4l2_streamparm {
  1967. __u32 type; /* enum v4l2_buf_type */
  1968. union {
  1969. struct v4l2_captureparm capture;
  1970. struct v4l2_outputparm output;
  1971. __u8 raw_data[200]; /* user-defined */
  1972. } parm;
  1973. };
  1974. /*
  1975. * E V E N T S
  1976. */
  1977. #define V4L2_EVENT_ALL 0
  1978. #define V4L2_EVENT_VSYNC 1
  1979. #define V4L2_EVENT_EOS 2
  1980. #define V4L2_EVENT_CTRL 3
  1981. #define V4L2_EVENT_FRAME_SYNC 4
  1982. #define V4L2_EVENT_SOURCE_CHANGE 5
  1983. #define V4L2_EVENT_MOTION_DET 6
  1984. #define V4L2_EVENT_PRIVATE_START 0x08000000
  1985. /* Payload for V4L2_EVENT_VSYNC */
  1986. struct v4l2_event_vsync {
  1987. /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
  1988. __u8 field;
  1989. } __attribute__ ((packed));
  1990. /* Payload for V4L2_EVENT_CTRL */
  1991. #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0)
  1992. #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1)
  1993. #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2)
  1994. struct v4l2_event_ctrl {
  1995. __u32 changes;
  1996. __u32 type;
  1997. union {
  1998. __s32 value;
  1999. __s64 value64;
  2000. };
  2001. __u32 flags;
  2002. __s32 minimum;
  2003. __s32 maximum;
  2004. __s32 step;
  2005. __s32 default_value;
  2006. };
  2007. struct v4l2_event_frame_sync {
  2008. __u32 frame_sequence;
  2009. };
  2010. #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0)
  2011. struct v4l2_event_src_change {
  2012. __u32 changes;
  2013. };
  2014. #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0)
  2015. /**
  2016. * struct v4l2_event_motion_det - motion detection event
  2017. * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
  2018. * frame_sequence field is valid.
  2019. * @frame_sequence: the frame sequence number associated with this event.
  2020. * @region_mask: which regions detected motion.
  2021. */
  2022. struct v4l2_event_motion_det {
  2023. __u32 flags;
  2024. __u32 frame_sequence;
  2025. __u32 region_mask;
  2026. };
  2027. struct v4l2_event {
  2028. __u32 type;
  2029. union {
  2030. struct v4l2_event_vsync vsync;
  2031. struct v4l2_event_ctrl ctrl;
  2032. struct v4l2_event_frame_sync frame_sync;
  2033. struct v4l2_event_src_change src_change;
  2034. struct v4l2_event_motion_det motion_det;
  2035. __u8 data[64];
  2036. } u;
  2037. __u32 pending;
  2038. __u32 sequence;
  2039. struct timespec timestamp;
  2040. __u32 id;
  2041. __u32 reserved[8];
  2042. };
  2043. #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0)
  2044. #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1)
  2045. struct v4l2_event_subscription {
  2046. __u32 type;
  2047. __u32 id;
  2048. __u32 flags;
  2049. __u32 reserved[5];
  2050. };
  2051. /*
  2052. * A D V A N C E D D E B U G G I N G
  2053. *
  2054. * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
  2055. * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
  2056. */
  2057. /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
  2058. #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */
  2059. #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */
  2060. /* The following four defines are no longer in use */
  2061. #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
  2062. #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */
  2063. #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */
  2064. #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */
  2065. struct v4l2_dbg_match {
  2066. __u32 type; /* Match type */
  2067. union { /* Match this chip, meaning determined by type */
  2068. __u32 addr;
  2069. char name[32];
  2070. };
  2071. } __attribute__ ((packed));
  2072. struct v4l2_dbg_register {
  2073. struct v4l2_dbg_match match;
  2074. __u32 size; /* register size in bytes */
  2075. __u64 reg;
  2076. __u64 val;
  2077. } __attribute__ ((packed));
  2078. #define V4L2_CHIP_FL_READABLE (1 << 0)
  2079. #define V4L2_CHIP_FL_WRITABLE (1 << 1)
  2080. /* VIDIOC_DBG_G_CHIP_INFO */
  2081. struct v4l2_dbg_chip_info {
  2082. struct v4l2_dbg_match match;
  2083. char name[32];
  2084. __u32 flags;
  2085. __u32 reserved[32];
  2086. } __attribute__ ((packed));
  2087. /**
  2088. * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
  2089. * @index: on return, index of the first created buffer
  2090. * @count: entry: number of requested buffers,
  2091. * return: number of created buffers
  2092. * @memory: enum v4l2_memory; buffer memory type
  2093. * @format: frame format, for which buffers are requested
  2094. * @capabilities: capabilities of this buffer type.
  2095. * @reserved: future extensions
  2096. */
  2097. struct v4l2_create_buffers {
  2098. __u32 index;
  2099. __u32 count;
  2100. __u32 memory;
  2101. struct v4l2_format format;
  2102. __u32 capabilities;
  2103. __u32 reserved[7];
  2104. };
  2105. /*
  2106. * I O C T L C O D E S F O R V I D E O D E V I C E S
  2107. *
  2108. */
  2109. #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability)
  2110. #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc)
  2111. #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format)
  2112. #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format)
  2113. #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers)
  2114. #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer)
  2115. #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer)
  2116. #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer)
  2117. #define VIDIOC_OVERLAY _IOW('V', 14, int)
  2118. #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer)
  2119. #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer)
  2120. #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer)
  2121. #define VIDIOC_STREAMON _IOW('V', 18, int)
  2122. #define VIDIOC_STREAMOFF _IOW('V', 19, int)
  2123. #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm)
  2124. #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm)
  2125. #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id)
  2126. #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id)
  2127. #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard)
  2128. #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input)
  2129. #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control)
  2130. #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control)
  2131. #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner)
  2132. #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner)
  2133. #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio)
  2134. #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio)
  2135. #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl)
  2136. #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu)
  2137. #define VIDIOC_G_INPUT _IOR('V', 38, int)
  2138. #define VIDIOC_S_INPUT _IOWR('V', 39, int)
  2139. #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid)
  2140. #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid)
  2141. #define VIDIOC_G_OUTPUT _IOR('V', 46, int)
  2142. #define VIDIOC_S_OUTPUT _IOWR('V', 47, int)
  2143. #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output)
  2144. #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout)
  2145. #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout)
  2146. #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator)
  2147. #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator)
  2148. #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency)
  2149. #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency)
  2150. #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap)
  2151. #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop)
  2152. #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop)
  2153. #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression)
  2154. #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression)
  2155. #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id)
  2156. #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format)
  2157. #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio)
  2158. #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout)
  2159. #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */
  2160. #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */
  2161. #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
  2162. #define VIDIOC_LOG_STATUS _IO('V', 70)
  2163. #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls)
  2164. #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls)
  2165. #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls)
  2166. #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum)
  2167. #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
  2168. #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx)
  2169. #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd)
  2170. #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd)
  2171. /*
  2172. * Experimental, meant for debugging, testing and internal use.
  2173. * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
  2174. * You must be root to use these ioctls. Never use these in applications!
  2175. */
  2176. #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register)
  2177. #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register)
  2178. #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek)
  2179. #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings)
  2180. #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings)
  2181. #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event)
  2182. #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription)
  2183. #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
  2184. #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers)
  2185. #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer)
  2186. #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection)
  2187. #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection)
  2188. #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd)
  2189. #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd)
  2190. #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings)
  2191. #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings)
  2192. #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap)
  2193. #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band)
  2194. /*
  2195. * Experimental, meant for debugging, testing and internal use.
  2196. * Never use this in applications!
  2197. */
  2198. #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info)
  2199. #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl)
  2200. /* Reminder: when adding new ioctls please add support for them to
  2201. drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */
  2202. #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */
  2203. #endif /* _UAPI__LINUX_VIDEODEV2_H */