1/* 2 * Video for Linux Two header file 3 * 4 * Copyright (C) 1999-2012 the contributors 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * Alternatively you can redistribute this file under the terms of the 17 * BSD license as stated below: 18 * 19 * Redistribution and use in source and binary forms, with or without 20 * modification, are permitted provided that the following conditions 21 * are met: 22 * 1. Redistributions of source code must retain the above copyright 23 * notice, this list of conditions and the following disclaimer. 24 * 2. Redistributions in binary form must reproduce the above copyright 25 * notice, this list of conditions and the following disclaimer in 26 * the documentation and/or other materials provided with the 27 * distribution. 28 * 3. The names of its contributors may not be used to endorse or promote 29 * products derived from this software without specific prior written 30 * permission. 31 * 32 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 33 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 34 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 35 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 36 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 37 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 38 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 39 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 40 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 41 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 42 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 43 * 44 * Header file for v4l or V4L2 drivers and applications 45 * with public API. 46 * All kernel-specific stuff were moved to media/v4l2-dev.h, so 47 * no #if __KERNEL tests are allowed here 48 * 49 * See https://linuxtv.org for more info 50 * 51 * Author: Bill Dirks <bill@thedirks.org> 52 * Justin Schoeman 53 * Hans Verkuil <hverkuil@xs4all.nl> 54 * et al. 55 */ 56#ifndef _UAPI__LINUX_VIDEODEV2_H 57#define _UAPI__LINUX_VIDEODEV2_H 58 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/* 69 * Common stuff for both V4L1 and V4L2 70 * Moved from videodev.h 71 */ 72#define VIDEO_MAX_FRAME 32 73#define VIDEO_MAX_PLANES 8 74 75/* 76 * M I S C E L L A N E O U S 77 */ 78 79/* Four-character-code (FOURCC) */ 80#define v4l2_fourcc(a, b, c, d)\ 81 ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24)) 82#define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1 << 31)) 83 84/* 85 * E N U M S 86 */ 87enum v4l2_field { 88 V4L2_FIELD_ANY = 0, /* driver can choose from none, 89 top, bottom, interlaced 90 depending on whatever it thinks 91 is approximate ... */ 92 V4L2_FIELD_NONE = 1, /* this device has no fields ... */ 93 V4L2_FIELD_TOP = 2, /* top field only */ 94 V4L2_FIELD_BOTTOM = 3, /* bottom field only */ 95 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */ 96 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one 97 buffer, top-bottom order */ 98 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */ 99 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into 100 separate buffers */ 101 V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field 102 first and the top field is 103 transmitted first */ 104 V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field 105 first and the bottom field is 106 transmitted first */ 107}; 108#define V4L2_FIELD_HAS_TOP(field) \ 109 ((field) == V4L2_FIELD_TOP ||\ 110 (field) == V4L2_FIELD_INTERLACED ||\ 111 (field) == V4L2_FIELD_INTERLACED_TB ||\ 112 (field) == V4L2_FIELD_INTERLACED_BT ||\ 113 (field) == V4L2_FIELD_SEQ_TB ||\ 114 (field) == V4L2_FIELD_SEQ_BT) 115#define V4L2_FIELD_HAS_BOTTOM(field) \ 116 ((field) == V4L2_FIELD_BOTTOM ||\ 117 (field) == V4L2_FIELD_INTERLACED ||\ 118 (field) == V4L2_FIELD_INTERLACED_TB ||\ 119 (field) == V4L2_FIELD_INTERLACED_BT ||\ 120 (field) == V4L2_FIELD_SEQ_TB ||\ 121 (field) == V4L2_FIELD_SEQ_BT) 122#define V4L2_FIELD_HAS_BOTH(field) \ 123 ((field) == V4L2_FIELD_INTERLACED ||\ 124 (field) == V4L2_FIELD_INTERLACED_TB ||\ 125 (field) == V4L2_FIELD_INTERLACED_BT ||\ 126 (field) == V4L2_FIELD_SEQ_TB ||\ 127 (field) == V4L2_FIELD_SEQ_BT) 128#define V4L2_FIELD_HAS_T_OR_B(field) \ 129 ((field) == V4L2_FIELD_BOTTOM ||\ 130 (field) == V4L2_FIELD_TOP ||\ 131 (field) == V4L2_FIELD_ALTERNATE) 132 133enum v4l2_buf_type { 134 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, 135 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, 136 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, 137 V4L2_BUF_TYPE_VBI_CAPTURE = 4, 138 V4L2_BUF_TYPE_VBI_OUTPUT = 5, 139 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6, 140 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7, 141 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8, 142 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9, 143 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10, 144 V4L2_BUF_TYPE_SDR_CAPTURE = 11, 145 V4L2_BUF_TYPE_SDR_OUTPUT = 12, 146 /* Deprecated, do not use */ 147 V4L2_BUF_TYPE_PRIVATE = 0x80, 148}; 149 150#define V4L2_TYPE_IS_MULTIPLANAR(type) \ 151 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \ 152 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 153 154#define V4L2_TYPE_IS_OUTPUT(type) \ 155 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \ 156 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \ 157 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \ 158 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \ 159 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \ 160 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \ 161 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT) 162 163enum v4l2_tuner_type { 164 V4L2_TUNER_RADIO = 1, 165 V4L2_TUNER_ANALOG_TV = 2, 166 V4L2_TUNER_DIGITAL_TV = 3, 167 V4L2_TUNER_SDR = 4, 168 V4L2_TUNER_RF = 5, 169}; 170 171/* Deprecated, do not use */ 172#define V4L2_TUNER_ADC V4L2_TUNER_SDR 173 174enum v4l2_memory { 175 V4L2_MEMORY_MMAP = 1, 176 V4L2_MEMORY_USERPTR = 2, 177 V4L2_MEMORY_OVERLAY = 3, 178 V4L2_MEMORY_DMABUF = 4, 179}; 180 181/* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 182enum v4l2_colorspace { 183 /* 184 * Default colorspace, i.e. let the driver figure it out. 185 * Can only be used with video capture. 186 */ 187 V4L2_COLORSPACE_DEFAULT = 0, 188 189 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */ 190 V4L2_COLORSPACE_SMPTE170M = 1, 191 192 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */ 193 V4L2_COLORSPACE_SMPTE240M = 2, 194 195 /* Rec.709: used for HDTV */ 196 V4L2_COLORSPACE_REC709 = 3, 197 198 /* 199 * Deprecated, do not use. No driver will ever return this. This was 200 * based on a misunderstanding of the bt878 datasheet. 201 */ 202 V4L2_COLORSPACE_BT878 = 4, 203 204 /* 205 * NTSC 1953 colorspace. This only makes sense when dealing with 206 * really, really old NTSC recordings. Superseded by SMPTE 170M. 207 */ 208 V4L2_COLORSPACE_470_SYSTEM_M = 5, 209 210 /* 211 * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when 212 * dealing with really old PAL/SECAM recordings. Superseded by 213 * SMPTE 170M. 214 */ 215 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 216 217 /* 218 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601 219 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG. 220 */ 221 V4L2_COLORSPACE_JPEG = 7, 222 223 /* For RGB colorspaces such as produces by most webcams. */ 224 V4L2_COLORSPACE_SRGB = 8, 225 226 /* AdobeRGB colorspace */ 227 V4L2_COLORSPACE_ADOBERGB = 9, 228 229 /* BT.2020 colorspace, used for UHDTV. */ 230 V4L2_COLORSPACE_BT2020 = 10, 231 232 /* Raw colorspace: for RAW unprocessed images */ 233 V4L2_COLORSPACE_RAW = 11, 234 235 /* DCI-P3 colorspace, used by cinema projectors */ 236 V4L2_COLORSPACE_DCI_P3 = 12, 237}; 238 239/* 240 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace. 241 * This depends on whether this is a SDTV image (use SMPTE 170M), an 242 * HDTV image (use Rec. 709), or something else (use sRGB). 243 */ 244#define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \ 245 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \ 246 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB)) 247 248enum v4l2_xfer_func { 249 /* 250 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions 251 * for the various colorspaces: 252 * 253 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 254 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and 255 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709 256 * 257 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB 258 * 259 * V4L2_COLORSPACE_ADOBERGB: V4L2_XFER_FUNC_ADOBERGB 260 * 261 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M 262 * 263 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE 264 * 265 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3 266 */ 267 V4L2_XFER_FUNC_DEFAULT = 0, 268 V4L2_XFER_FUNC_709 = 1, 269 V4L2_XFER_FUNC_SRGB = 2, 270 V4L2_XFER_FUNC_ADOBERGB = 3, 271 V4L2_XFER_FUNC_SMPTE240M = 4, 272 V4L2_XFER_FUNC_NONE = 5, 273 V4L2_XFER_FUNC_DCI_P3 = 6, 274 V4L2_XFER_FUNC_SMPTE2084 = 7, 275}; 276 277/* 278 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function. 279 * This depends on the colorspace. 280 */ 281#define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \ 282 ((colsp) == V4L2_COLORSPACE_ADOBERGB ? V4L2_XFER_FUNC_ADOBERGB : \ 283 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \ 284 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \ 285 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \ 286 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \ 287 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709))))) 288 289enum v4l2_ycbcr_encoding { 290 /* 291 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the 292 * various colorspaces: 293 * 294 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 295 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB, 296 * V4L2_COLORSPACE_ADOBERGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601 297 * 298 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709 299 * 300 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020 301 * 302 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M 303 */ 304 V4L2_YCBCR_ENC_DEFAULT = 0, 305 306 /* ITU-R 601 -- SDTV */ 307 V4L2_YCBCR_ENC_601 = 1, 308 309 /* Rec. 709 -- HDTV */ 310 V4L2_YCBCR_ENC_709 = 2, 311 312 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */ 313 V4L2_YCBCR_ENC_XV601 = 3, 314 315 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */ 316 V4L2_YCBCR_ENC_XV709 = 4, 317 318#ifndef __KERNEL__ 319 /* 320 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added 321 * originally due to a misunderstanding of the sYCC standard. It should 322 * not be used, instead use V4L2_YCBCR_ENC_601. 323 */ 324 V4L2_YCBCR_ENC_SYCC = 5, 325#endif 326 327 /* BT.2020 Non-constant Luminance Y'CbCr */ 328 V4L2_YCBCR_ENC_BT2020 = 6, 329 330 /* BT.2020 Constant Luminance Y'CbcCrc */ 331 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7, 332 333 /* SMPTE 240M -- Obsolete HDTV */ 334 V4L2_YCBCR_ENC_SMPTE240M = 8, 335}; 336 337/* 338 * enum v4l2_hsv_encoding values should not collide with the ones from 339 * enum v4l2_ycbcr_encoding. 340 */ 341enum v4l2_hsv_encoding { 342 343 /* Hue mapped to 0 - 179 */ 344 V4L2_HSV_ENC_180 = 128, 345 346 /* Hue mapped to 0-255 */ 347 V4L2_HSV_ENC_256 = 129, 348}; 349 350/* 351 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding. 352 * This depends on the colorspace. 353 */ 354#define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \ 355 (((colsp) == V4L2_COLORSPACE_REC709 || \ 356 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \ 357 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \ 358 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \ 359 V4L2_YCBCR_ENC_601))) 360 361enum v4l2_quantization { 362 /* 363 * The default for R'G'B' quantization is always full range, except 364 * for the BT2020 colorspace. For Y'CbCr the quantization is always 365 * limited range, except for COLORSPACE_JPEG, XV601 or XV709: those 366 * are full range. 367 */ 368 V4L2_QUANTIZATION_DEFAULT = 0, 369 V4L2_QUANTIZATION_FULL_RANGE = 1, 370 V4L2_QUANTIZATION_LIM_RANGE = 2, 371}; 372 373/* 374 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization. 375 * This depends on whether the image is RGB or not, the colorspace and the 376 * Y'CbCr encoding. 377 */ 378#define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \ 379 (((is_rgb_or_hsv) && (colsp) == V4L2_COLORSPACE_BT2020) ? \ 380 V4L2_QUANTIZATION_LIM_RANGE : \ 381 (((is_rgb_or_hsv) || (ycbcr_enc) == V4L2_YCBCR_ENC_XV601 || \ 382 (ycbcr_enc) == V4L2_YCBCR_ENC_XV709 || (colsp) == V4L2_COLORSPACE_JPEG) ? \ 383 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE)) 384 385enum v4l2_priority { 386 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 387 V4L2_PRIORITY_BACKGROUND = 1, 388 V4L2_PRIORITY_INTERACTIVE = 2, 389 V4L2_PRIORITY_RECORD = 3, 390 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 391}; 392 393struct v4l2_rect { 394 __s32 left; 395 __s32 top; 396 __u32 width; 397 __u32 height; 398}; 399 400struct v4l2_fract { 401 __u32 numerator; 402 __u32 denominator; 403}; 404 405/** 406 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 407 * 408 * @driver: name of the driver module (e.g. "bttv") 409 * @card: name of the card (e.g. "Hauppauge WinTV") 410 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 411 * @version: KERNEL_VERSION 412 * @capabilities: capabilities of the physical device as a whole 413 * @device_caps: capabilities accessed via this particular device (node) 414 * @reserved: reserved fields for future extensions 415 */ 416struct v4l2_capability { 417 __u8 driver[16]; 418 __u8 card[32]; 419 __u8 bus_info[32]; 420 __u32 version; 421 __u32 capabilities; 422 __u32 device_caps; 423 __u32 reserved[3]; 424}; 425 426/* Values for 'capabilities' field */ 427#define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 428#define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 429#define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 430#define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 431#define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 432#define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 433#define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 434#define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 435#define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 436#define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 437#define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 438 439/* Is a video capture device that supports multiplanar formats */ 440#define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 441/* Is a video output device that supports multiplanar formats */ 442#define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 443/* Is a video mem-to-mem device that supports multiplanar formats */ 444#define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 445/* Is a video mem-to-mem device */ 446#define V4L2_CAP_VIDEO_M2M 0x00008000 447 448#define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 449#define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 450#define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 451#define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 452 453#define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */ 454#define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */ 455#define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */ 456 457#define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 458#define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 459#define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 460 461#define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */ 462 463#define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 464 465/* 466 * V I D E O I M A G E F O R M A T 467 */ 468struct v4l2_pix_format { 469 __u32 width; 470 __u32 height; 471 __u32 pixelformat; 472 __u32 field; /* enum v4l2_field */ 473 __u32 bytesperline; /* for padding, zero if unused */ 474 __u32 sizeimage; 475 __u32 colorspace; /* enum v4l2_colorspace */ 476 __u32 priv; /* private data, depends on pixelformat */ 477 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ 478 union { 479 /* enum v4l2_ycbcr_encoding */ 480 __u32 ycbcr_enc; 481 /* enum v4l2_hsv_encoding */ 482 __u32 hsv_enc; 483 }; 484 __u32 quantization; /* enum v4l2_quantization */ 485 __u32 xfer_func; /* enum v4l2_xfer_func */ 486}; 487 488/* Pixel format FOURCC depth Description */ 489 490/* RGB formats */ 491#define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 492#define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 493#define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */ 494#define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */ 495#define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 496#define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */ 497#define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */ 498#define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 499#define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 500#define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */ 501#define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */ 502#define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 503#define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 504#define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 505#define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 506#define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 507#define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */ 508#define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */ 509#define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 510#define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */ 511#define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */ 512 513/* Grey formats */ 514#define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 515#define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 516#define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 517#define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 518#define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 519#define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 520#define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */ 521 522/* Grey bit-packed formats */ 523#define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 524 525/* Palette formats */ 526#define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 527 528/* Chrominance formats */ 529#define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 530 531/* Luminance+Chrominance formats */ 532#define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 533#define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 534#define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 535#define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 536#define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 537#define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 538#define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 539#define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 540#define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 541#define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 542#define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */ 543#define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */ 544#define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 545 546/* two planes -- one Y, one Cr + Cb interleaved */ 547#define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 548#define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 549#define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 550#define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 551#define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 552#define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 553 554/* two non contiguous planes - one Y, one Cr + Cb interleaved */ 555#define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 556#define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 557#define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ 558#define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ 559#define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */ 560#define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */ 561 562/* three planes - Y Cb, Cr */ 563#define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 564#define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 565#define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */ 566#define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 567#define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 568#define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 569 570/* three non contiguous planes - Y, Cb, Cr */ 571#define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 572#define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 573#define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */ 574#define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */ 575#define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */ 576#define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */ 577 578/* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 579#define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 580#define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 581#define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 582#define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 583#define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 584#define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 585#define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 586#define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 587 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ 588#define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') 589#define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') 590#define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') 591#define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') 592 /* 10bit raw bayer a-law compressed to 8 bits */ 593#define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 594#define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 595#define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 596#define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 597 /* 10bit raw bayer DPCM compressed to 8 bits */ 598#define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 599#define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 600#define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 601#define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 602#define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 603#define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 604#define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 605#define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 606#define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 607#define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */ 608#define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */ 609#define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */ 610 611/* HSV formats */ 612#define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3') 613#define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4') 614 615/* compressed formats */ 616#define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 617#define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 618#define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 619#define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 620#define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 621#define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 622#define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 623#define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 624#define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 625#define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 626#define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 627#define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 628#define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 629#define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 630#define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 631#define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */ 632 633/* Vendor-specific formats */ 634#define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 635#define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 636#define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 637#define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 638#define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 639#define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 640#define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 641#define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 642#define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 643#define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 644#define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 645#define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 646#define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 647#define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 648#define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 649#define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 650#define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 651#define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 652#define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 653#define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 654#define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 655#define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 656#define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 657#define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 658#define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 659#define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 660#define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */ 661#define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */ 662#define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */ 663#define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */ 664 665/* SDR formats - used only for Software Defined Radio devices */ 666#define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 667#define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 668#define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 669#define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 670#define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 671 672/* Touch formats - used for Touch devices */ 673#define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */ 674#define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */ 675#define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */ 676#define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */ 677 678/* priv field value to indicates that subsequent fields are valid. */ 679#define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 680 681/* Flags */ 682#define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 683 684/* 685 * F O R M A T E N U M E R A T I O N 686 */ 687struct v4l2_fmtdesc { 688 __u32 index; /* Format number */ 689 __u32 type; /* enum v4l2_buf_type */ 690 __u32 flags; 691 __u8 description[32]; /* Description string */ 692 __u32 pixelformat; /* Format fourcc */ 693 __u32 reserved[4]; 694}; 695 696#define V4L2_FMT_FLAG_COMPRESSED 0x0001 697#define V4L2_FMT_FLAG_EMULATED 0x0002 698 699 /* Frame Size and frame rate enumeration */ 700/* 701 * F R A M E S I Z E E N U M E R A T I O N 702 */ 703enum v4l2_frmsizetypes { 704 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 705 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 706 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 707}; 708 709struct v4l2_frmsize_discrete { 710 __u32 width; /* Frame width [pixel] */ 711 __u32 height; /* Frame height [pixel] */ 712}; 713 714struct v4l2_frmsize_stepwise { 715 __u32 min_width; /* Minimum frame width [pixel] */ 716 __u32 max_width; /* Maximum frame width [pixel] */ 717 __u32 step_width; /* Frame width step size [pixel] */ 718 __u32 min_height; /* Minimum frame height [pixel] */ 719 __u32 max_height; /* Maximum frame height [pixel] */ 720 __u32 step_height; /* Frame height step size [pixel] */ 721}; 722 723struct v4l2_frmsizeenum { 724 __u32 index; /* Frame size number */ 725 __u32 pixel_format; /* Pixel format */ 726 __u32 type; /* Frame size type the device supports. */ 727 728 union { /* Frame size */ 729 struct v4l2_frmsize_discrete discrete; 730 struct v4l2_frmsize_stepwise stepwise; 731 }; 732 733 __u32 reserved[2]; /* Reserved space for future use */ 734}; 735 736/* 737 * F R A M E R A T E E N U M E R A T I O N 738 */ 739enum v4l2_frmivaltypes { 740 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 741 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 742 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 743}; 744 745struct v4l2_frmival_stepwise { 746 struct v4l2_fract min; /* Minimum frame interval [s] */ 747 struct v4l2_fract max; /* Maximum frame interval [s] */ 748 struct v4l2_fract step; /* Frame interval step size [s] */ 749}; 750 751struct v4l2_frmivalenum { 752 __u32 index; /* Frame format index */ 753 __u32 pixel_format; /* Pixel format */ 754 __u32 width; /* Frame width */ 755 __u32 height; /* Frame height */ 756 __u32 type; /* Frame interval type the device supports. */ 757 758 union { /* Frame interval */ 759 struct v4l2_fract discrete; 760 struct v4l2_frmival_stepwise stepwise; 761 }; 762 763 __u32 reserved[2]; /* Reserved space for future use */ 764}; 765 766/* 767 * T I M E C O D E 768 */ 769struct v4l2_timecode { 770 __u32 type; 771 __u32 flags; 772 __u8 frames; 773 __u8 seconds; 774 __u8 minutes; 775 __u8 hours; 776 __u8 userbits[4]; 777}; 778 779/* Type */ 780#define V4L2_TC_TYPE_24FPS 1 781#define V4L2_TC_TYPE_25FPS 2 782#define V4L2_TC_TYPE_30FPS 3 783#define V4L2_TC_TYPE_50FPS 4 784#define V4L2_TC_TYPE_60FPS 5 785 786/* Flags */ 787#define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 788#define V4L2_TC_FLAG_COLORFRAME 0x0002 789#define V4L2_TC_USERBITS_field 0x000C 790#define V4L2_TC_USERBITS_USERDEFINED 0x0000 791#define V4L2_TC_USERBITS_8BITCHARS 0x0008 792/* The above is based on SMPTE timecodes */ 793 794struct v4l2_jpegcompression { 795 int quality; 796 797 int APPn; /* Number of APP segment to be written, 798 * must be 0..15 */ 799 int APP_len; /* Length of data in JPEG APPn segment */ 800 char APP_data[60]; /* Data in the JPEG APPn segment. */ 801 802 int COM_len; /* Length of data in JPEG COM segment */ 803 char COM_data[60]; /* Data in JPEG COM segment */ 804 805 __u32 jpeg_markers; /* Which markers should go into the JPEG 806 * output. Unless you exactly know what 807 * you do, leave them untouched. 808 * Including less markers will make the 809 * resulting code smaller, but there will 810 * be fewer applications which can read it. 811 * The presence of the APP and COM marker 812 * is influenced by APP_len and COM_len 813 * ONLY, not by this property! */ 814 815#define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 816#define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 817#define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 818#define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 819#define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 820 * always use APP0 */ 821}; 822 823/* 824 * M E M O R Y - M A P P I N G B U F F E R S 825 */ 826struct v4l2_requestbuffers { 827 __u32 count; 828 __u32 type; /* enum v4l2_buf_type */ 829 __u32 memory; /* enum v4l2_memory */ 830 __u32 reserved[2]; 831}; 832 833/** 834 * struct v4l2_plane - plane info for multi-planar buffers 835 * @bytesused: number of bytes occupied by data in the plane (payload) 836 * @length: size of this plane (NOT the payload) in bytes 837 * @mem_offset: when memory in the associated struct v4l2_buffer is 838 * V4L2_MEMORY_MMAP, equals the offset from the start of 839 * the device memory for this plane (or is a "cookie" that 840 * should be passed to mmap() called on the video node) 841 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 842 * pointing to this plane 843 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 844 * descriptor associated with this plane 845 * @data_offset: offset in the plane to the start of data; usually 0, 846 * unless there is a header in front of the data 847 * 848 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 849 * with two planes can have one plane for Y, and another for interleaved CbCr 850 * components. Each plane can reside in a separate memory buffer, or even in 851 * a completely separate memory node (e.g. in embedded devices). 852 */ 853struct v4l2_plane { 854 __u32 bytesused; 855 __u32 length; 856 union { 857 __u32 mem_offset; 858 unsigned long userptr; 859 __s32 fd; 860 } m; 861 __u32 data_offset; 862 __u32 reserved[11]; 863}; 864 865/** 866 * struct v4l2_buffer - video buffer info 867 * @index: id number of the buffer 868 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 869 * multiplanar buffers); 870 * @bytesused: number of bytes occupied by data in the buffer (payload); 871 * unused (set to 0) for multiplanar buffers 872 * @flags: buffer informational flags 873 * @field: enum v4l2_field; field order of the image in the buffer 874 * @timestamp: frame timestamp 875 * @timecode: frame timecode 876 * @sequence: sequence count of this frame 877 * @memory: enum v4l2_memory; the method, in which the actual video data is 878 * passed 879 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 880 * offset from the start of the device memory for this plane, 881 * (or a "cookie" that should be passed to mmap() as offset) 882 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 883 * a userspace pointer pointing to this buffer 884 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 885 * a userspace file descriptor associated with this buffer 886 * @planes: for multiplanar buffers; userspace pointer to the array of plane 887 * info structs for this buffer 888 * @length: size in bytes of the buffer (NOT its payload) for single-plane 889 * buffers (when type != *_MPLANE); number of elements in the 890 * planes array for multi-plane buffers 891 * 892 * Contains data exchanged by application and driver using one of the Streaming 893 * I/O methods. 894 */ 895struct v4l2_buffer { 896 __u32 index; 897 __u32 type; 898 __u32 bytesused; 899 __u32 flags; 900 __u32 field; 901 struct timeval timestamp; 902 struct v4l2_timecode timecode; 903 __u32 sequence; 904 905 /* memory location */ 906 __u32 memory; 907 union { 908 __u32 offset; 909 unsigned long userptr; 910 struct v4l2_plane *planes; 911 __s32 fd; 912 } m; 913 __u32 length; 914 __u32 reserved2; 915 __u32 reserved; 916}; 917 918/* Flags for 'flags' field */ 919/* Buffer is mapped (flag) */ 920#define V4L2_BUF_FLAG_MAPPED 0x00000001 921/* Buffer is queued for processing */ 922#define V4L2_BUF_FLAG_QUEUED 0x00000002 923/* Buffer is ready */ 924#define V4L2_BUF_FLAG_DONE 0x00000004 925/* Image is a keyframe (I-frame) */ 926#define V4L2_BUF_FLAG_KEYFRAME 0x00000008 927/* Image is a P-frame */ 928#define V4L2_BUF_FLAG_PFRAME 0x00000010 929/* Image is a B-frame */ 930#define V4L2_BUF_FLAG_BFRAME 0x00000020 931/* Buffer is ready, but the data contained within is corrupted. */ 932#define V4L2_BUF_FLAG_ERROR 0x00000040 933/* timecode field is valid */ 934#define V4L2_BUF_FLAG_TIMECODE 0x00000100 935/* Buffer is prepared for queuing */ 936#define V4L2_BUF_FLAG_PREPARED 0x00000400 937/* Cache handling flags */ 938#define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 939#define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 940/* Timestamp type */ 941#define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 942#define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 943#define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 944#define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 945/* Timestamp sources. */ 946#define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 947#define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 948#define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 949/* mem2mem encoder/decoder */ 950#define V4L2_BUF_FLAG_LAST 0x00100000 951 952/** 953 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 954 * 955 * @index: id number of the buffer 956 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 957 * multiplanar buffers); 958 * @plane: index of the plane to be exported, 0 for single plane queues 959 * @flags: flags for newly created file, currently only O_CLOEXEC is 960 * supported, refer to manual of open syscall for more details 961 * @fd: file descriptor associated with DMABUF (set by driver) 962 * 963 * Contains data used for exporting a video buffer as DMABUF file descriptor. 964 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 965 * (identical to the cookie used to mmap() the buffer to userspace). All 966 * reserved fields must be set to zero. The field reserved0 is expected to 967 * become a structure 'type' allowing an alternative layout of the structure 968 * content. Therefore this field should not be used for any other extensions. 969 */ 970struct v4l2_exportbuffer { 971 __u32 type; /* enum v4l2_buf_type */ 972 __u32 index; 973 __u32 plane; 974 __u32 flags; 975 __s32 fd; 976 __u32 reserved[11]; 977}; 978 979/* 980 * O V E R L A Y P R E V I E W 981 */ 982struct v4l2_framebuffer { 983 __u32 capability; 984 __u32 flags; 985/* FIXME: in theory we should pass something like PCI device + memory 986 * region + offset instead of some physical address */ 987 void *base; 988 struct { 989 __u32 width; 990 __u32 height; 991 __u32 pixelformat; 992 __u32 field; /* enum v4l2_field */ 993 __u32 bytesperline; /* for padding, zero if unused */ 994 __u32 sizeimage; 995 __u32 colorspace; /* enum v4l2_colorspace */ 996 __u32 priv; /* reserved field, set to 0 */ 997 } fmt; 998}; 999/* Flags for the 'capability' field. Read only */ 1000#define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 1001#define V4L2_FBUF_CAP_CHROMAKEY 0x0002 1002#define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 1003#define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 1004#define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 1005#define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 1006#define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 1007#define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 1008/* Flags for the 'flags' field. */ 1009#define V4L2_FBUF_FLAG_PRIMARY 0x0001 1010#define V4L2_FBUF_FLAG_OVERLAY 0x0002 1011#define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 1012#define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 1013#define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 1014#define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 1015#define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 1016 1017struct v4l2_clip { 1018 struct v4l2_rect c; 1019 struct v4l2_clip __user *next; 1020}; 1021 1022struct v4l2_window { 1023 struct v4l2_rect w; 1024 __u32 field; /* enum v4l2_field */ 1025 __u32 chromakey; 1026 struct v4l2_clip __user *clips; 1027 __u32 clipcount; 1028 void __user *bitmap; 1029 __u8 global_alpha; 1030}; 1031 1032/* 1033 * C A P T U R E P A R A M E T E R S 1034 */ 1035struct v4l2_captureparm { 1036 __u32 capability; /* Supported modes */ 1037 __u32 capturemode; /* Current mode */ 1038 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1039 __u32 extendedmode; /* Driver-specific extensions */ 1040 __u32 readbuffers; /* # of buffers for read */ 1041 __u32 reserved[4]; 1042}; 1043 1044/* Flags for 'capability' and 'capturemode' fields */ 1045#define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 1046#define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 1047 1048struct v4l2_outputparm { 1049 __u32 capability; /* Supported modes */ 1050 __u32 outputmode; /* Current mode */ 1051 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1052 __u32 extendedmode; /* Driver-specific extensions */ 1053 __u32 writebuffers; /* # of buffers for write */ 1054 __u32 reserved[4]; 1055}; 1056 1057/* 1058 * I N P U T I M A G E C R O P P I N G 1059 */ 1060struct v4l2_cropcap { 1061 __u32 type; /* enum v4l2_buf_type */ 1062 struct v4l2_rect bounds; 1063 struct v4l2_rect defrect; 1064 struct v4l2_fract pixelaspect; 1065}; 1066 1067struct v4l2_crop { 1068 __u32 type; /* enum v4l2_buf_type */ 1069 struct v4l2_rect c; 1070}; 1071 1072/** 1073 * struct v4l2_selection - selection info 1074 * @type: buffer type (do not use *_MPLANE types) 1075 * @target: Selection target, used to choose one of possible rectangles; 1076 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 1077 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 1078 * @r: coordinates of selection window 1079 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 1080 * 1081 * Hardware may use multiple helper windows to process a video stream. 1082 * The structure is used to exchange this selection areas between 1083 * an application and a driver. 1084 */ 1085struct v4l2_selection { 1086 __u32 type; 1087 __u32 target; 1088 __u32 flags; 1089 struct v4l2_rect r; 1090 __u32 reserved[9]; 1091}; 1092 1093 1094/* 1095 * A N A L O G V I D E O S T A N D A R D 1096 */ 1097 1098typedef __u64 v4l2_std_id; 1099 1100/* one bit for each */ 1101#define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 1102#define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 1103#define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 1104#define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 1105#define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 1106#define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 1107#define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 1108#define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 1109 1110#define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 1111#define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 1112#define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 1113#define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 1114 1115#define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 1116#define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 1117#define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 1118#define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 1119 1120#define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 1121#define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 1122#define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 1123#define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 1124#define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 1125#define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 1126#define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 1127#define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 1128 1129/* ATSC/HDTV */ 1130#define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 1131#define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 1132 1133/* FIXME: 1134 Although std_id is 64 bits, there is an issue on PPC32 architecture that 1135 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 1136 this value to 32 bits. 1137 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 1138 it should work fine. However, if needed to add more than two standards, 1139 v4l2-common.c should be fixed. 1140 */ 1141 1142/* 1143 * Some macros to merge video standards in order to make live easier for the 1144 * drivers and V4L2 applications 1145 */ 1146 1147/* 1148 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 1149 * Missing here. 1150 */ 1151#define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 1152 V4L2_STD_NTSC_M_JP |\ 1153 V4L2_STD_NTSC_M_KR) 1154/* Secam macros */ 1155#define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 1156 V4L2_STD_SECAM_K |\ 1157 V4L2_STD_SECAM_K1) 1158/* All Secam Standards */ 1159#define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 1160 V4L2_STD_SECAM_G |\ 1161 V4L2_STD_SECAM_H |\ 1162 V4L2_STD_SECAM_DK |\ 1163 V4L2_STD_SECAM_L |\ 1164 V4L2_STD_SECAM_LC) 1165/* PAL macros */ 1166#define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 1167 V4L2_STD_PAL_B1 |\ 1168 V4L2_STD_PAL_G) 1169#define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1170 V4L2_STD_PAL_D1 |\ 1171 V4L2_STD_PAL_K) 1172/* 1173 * "Common" PAL - This macro is there to be compatible with the old 1174 * V4L1 concept of "PAL": /BGDKHI. 1175 * Several PAL standards are missing here: /M, /N and /Nc 1176 */ 1177#define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1178 V4L2_STD_PAL_DK |\ 1179 V4L2_STD_PAL_H |\ 1180 V4L2_STD_PAL_I) 1181/* Chroma "agnostic" standards */ 1182#define V4L2_STD_B (V4L2_STD_PAL_B |\ 1183 V4L2_STD_PAL_B1 |\ 1184 V4L2_STD_SECAM_B) 1185#define V4L2_STD_G (V4L2_STD_PAL_G |\ 1186 V4L2_STD_SECAM_G) 1187#define V4L2_STD_H (V4L2_STD_PAL_H |\ 1188 V4L2_STD_SECAM_H) 1189#define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1190 V4L2_STD_SECAM_LC) 1191#define V4L2_STD_GH (V4L2_STD_G |\ 1192 V4L2_STD_H) 1193#define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1194 V4L2_STD_SECAM_DK) 1195#define V4L2_STD_BG (V4L2_STD_B |\ 1196 V4L2_STD_G) 1197#define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1198 V4L2_STD_PAL_N |\ 1199 V4L2_STD_PAL_Nc |\ 1200 V4L2_STD_NTSC) 1201 1202/* Standards where MTS/BTSC stereo could be found */ 1203#define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1204 V4L2_STD_PAL_M |\ 1205 V4L2_STD_PAL_N |\ 1206 V4L2_STD_PAL_Nc) 1207 1208/* Standards for Countries with 60Hz Line frequency */ 1209#define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1210 V4L2_STD_PAL_60 |\ 1211 V4L2_STD_NTSC |\ 1212 V4L2_STD_NTSC_443) 1213/* Standards for Countries with 50Hz Line frequency */ 1214#define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1215 V4L2_STD_PAL_N |\ 1216 V4L2_STD_PAL_Nc |\ 1217 V4L2_STD_SECAM) 1218 1219#define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1220 V4L2_STD_ATSC_16_VSB) 1221/* Macros with none and all analog standards */ 1222#define V4L2_STD_UNKNOWN 0 1223#define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1224 V4L2_STD_625_50) 1225 1226struct v4l2_standard { 1227 __u32 index; 1228 v4l2_std_id id; 1229 __u8 name[24]; 1230 struct v4l2_fract frameperiod; /* Frames, not fields */ 1231 __u32 framelines; 1232 __u32 reserved[4]; 1233}; 1234 1235/* 1236 * D V B T T I M I N G S 1237 */ 1238 1239/** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1240 * @width: total width of the active video in pixels 1241 * @height: total height of the active video in lines 1242 * @interlaced: Interlaced or progressive 1243 * @polarities: Positive or negative polarities 1244 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1245 * @hfrontporch:Horizontal front porch in pixels 1246 * @hsync: Horizontal Sync length in pixels 1247 * @hbackporch: Horizontal back porch in pixels 1248 * @vfrontporch:Vertical front porch in lines 1249 * @vsync: Vertical Sync length in lines 1250 * @vbackporch: Vertical back porch in lines 1251 * @il_vfrontporch:Vertical front porch for the even field 1252 * (aka field 2) of interlaced field formats 1253 * @il_vsync: Vertical Sync length for the even field 1254 * (aka field 2) of interlaced field formats 1255 * @il_vbackporch:Vertical back porch for the even field 1256 * (aka field 2) of interlaced field formats 1257 * @standards: Standards the timing belongs to 1258 * @flags: Flags 1259 * @picture_aspect: The picture aspect ratio (hor/vert). 1260 * @cea861_vic: VIC code as per the CEA-861 standard. 1261 * @hdmi_vic: VIC code as per the HDMI standard. 1262 * @reserved: Reserved fields, must be zeroed. 1263 * 1264 * A note regarding vertical interlaced timings: height refers to the total 1265 * height of the active video frame (= two fields). The blanking timings refer 1266 * to the blanking of each field. So the height of the total frame is 1267 * calculated as follows: 1268 * 1269 * tot_height = height + vfrontporch + vsync + vbackporch + 1270 * il_vfrontporch + il_vsync + il_vbackporch 1271 * 1272 * The active height of each field is height / 2. 1273 */ 1274struct v4l2_bt_timings { 1275 __u32 width; 1276 __u32 height; 1277 __u32 interlaced; 1278 __u32 polarities; 1279 __u64 pixelclock; 1280 __u32 hfrontporch; 1281 __u32 hsync; 1282 __u32 hbackporch; 1283 __u32 vfrontporch; 1284 __u32 vsync; 1285 __u32 vbackporch; 1286 __u32 il_vfrontporch; 1287 __u32 il_vsync; 1288 __u32 il_vbackporch; 1289 __u32 standards; 1290 __u32 flags; 1291 struct v4l2_fract picture_aspect; 1292 __u8 cea861_vic; 1293 __u8 hdmi_vic; 1294 __u8 reserved[46]; 1295} __attribute__ ((packed)); 1296 1297/* Interlaced or progressive format */ 1298#define V4L2_DV_PROGRESSIVE 0 1299#define V4L2_DV_INTERLACED 1 1300 1301/* Polarities. If bit is not set, it is assumed to be negative polarity */ 1302#define V4L2_DV_VSYNC_POS_POL 0x00000001 1303#define V4L2_DV_HSYNC_POS_POL 0x00000002 1304 1305/* Timings standards */ 1306#define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1307#define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1308#define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1309#define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1310#define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */ 1311 1312/* Flags */ 1313 1314/* 1315 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1316 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1317 * intervals are reduced, allowing a higher resolution over the same 1318 * bandwidth. This is a read-only flag. 1319 */ 1320#define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1321/* 1322 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1323 * of six. These formats can be optionally played at 1 / 1.001 speed. 1324 * This is a read-only flag. 1325 */ 1326#define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1327/* 1328 * CEA-861 specific: only valid for video transmitters, the flag is cleared 1329 * by receivers. 1330 * If the framerate of the format is a multiple of six, then the pixelclock 1331 * used to set up the transmitter is divided by 1.001 to make it compatible 1332 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1333 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1334 * such frequencies, then the flag will also be cleared. 1335 */ 1336#define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1337/* 1338 * Specific to interlaced formats: if set, then field 1 is really one half-line 1339 * longer and field 2 is really one half-line shorter, so each field has 1340 * exactly the same number of half-lines. Whether half-lines can be detected 1341 * or used depends on the hardware. 1342 */ 1343#define V4L2_DV_FL_HALF_LINE (1 << 3) 1344/* 1345 * If set, then this is a Consumer Electronics (CE) video format. Such formats 1346 * differ from other formats (commonly called IT formats) in that if RGB 1347 * encoding is used then by default the RGB values use limited range (i.e. 1348 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861 1349 * except for the 640x480 format are CE formats. 1350 */ 1351#define V4L2_DV_FL_IS_CE_VIDEO (1 << 4) 1352/* Some formats like SMPTE-125M have an interlaced signal with a odd 1353 * total height. For these formats, if this flag is set, the first 1354 * field has the extra line. If not, it is the second field. 1355 */ 1356#define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5) 1357/* 1358 * If set, then the picture_aspect field is valid. Otherwise assume that the 1359 * pixels are square, so the picture aspect ratio is the same as the width to 1360 * height ratio. 1361 */ 1362#define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6) 1363/* 1364 * If set, then the cea861_vic field is valid and contains the Video 1365 * Identification Code as per the CEA-861 standard. 1366 */ 1367#define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7) 1368/* 1369 * If set, then the hdmi_vic field is valid and contains the Video 1370 * Identification Code as per the HDMI standard (HDMI Vendor Specific 1371 * InfoFrame). 1372 */ 1373#define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8) 1374 1375/* A few useful defines to calculate the total blanking and frame sizes */ 1376#define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1377 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1378#define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1379 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1380#define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1381 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1382 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) 1383#define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1384 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1385 1386/** struct v4l2_dv_timings - DV timings 1387 * @type: the type of the timings 1388 * @bt: BT656/1120 timings 1389 */ 1390struct v4l2_dv_timings { 1391 __u32 type; 1392 union { 1393 struct v4l2_bt_timings bt; 1394 __u32 reserved[32]; 1395 }; 1396} __attribute__ ((packed)); 1397 1398/* Values for the type field */ 1399#define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1400 1401 1402/** struct v4l2_enum_dv_timings - DV timings enumeration 1403 * @index: enumeration index 1404 * @pad: the pad number for which to enumerate timings (used with 1405 * v4l-subdev nodes only) 1406 * @reserved: must be zeroed 1407 * @timings: the timings for the given index 1408 */ 1409struct v4l2_enum_dv_timings { 1410 __u32 index; 1411 __u32 pad; 1412 __u32 reserved[2]; 1413 struct v4l2_dv_timings timings; 1414}; 1415 1416/** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1417 * @min_width: width in pixels 1418 * @max_width: width in pixels 1419 * @min_height: height in lines 1420 * @max_height: height in lines 1421 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1422 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1423 * @standards: Supported standards 1424 * @capabilities: Supported capabilities 1425 * @reserved: Must be zeroed 1426 */ 1427struct v4l2_bt_timings_cap { 1428 __u32 min_width; 1429 __u32 max_width; 1430 __u32 min_height; 1431 __u32 max_height; 1432 __u64 min_pixelclock; 1433 __u64 max_pixelclock; 1434 __u32 standards; 1435 __u32 capabilities; 1436 __u32 reserved[16]; 1437} __attribute__ ((packed)); 1438 1439/* Supports interlaced formats */ 1440#define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1441/* Supports progressive formats */ 1442#define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1443/* Supports CVT/GTF reduced blanking */ 1444#define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1445/* Supports custom formats */ 1446#define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1447 1448/** struct v4l2_dv_timings_cap - DV timings capabilities 1449 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1450 * @pad: the pad number for which to query capabilities (used with 1451 * v4l-subdev nodes only) 1452 * @bt: the BT656/1120 timings capabilities 1453 */ 1454struct v4l2_dv_timings_cap { 1455 __u32 type; 1456 __u32 pad; 1457 __u32 reserved[2]; 1458 union { 1459 struct v4l2_bt_timings_cap bt; 1460 __u32 raw_data[32]; 1461 }; 1462}; 1463 1464 1465/* 1466 * V I D E O I N P U T S 1467 */ 1468struct v4l2_input { 1469 __u32 index; /* Which input */ 1470 __u8 name[32]; /* Label */ 1471 __u32 type; /* Type of input */ 1472 __u32 audioset; /* Associated audios (bitfield) */ 1473 __u32 tuner; /* enum v4l2_tuner_type */ 1474 v4l2_std_id std; 1475 __u32 status; 1476 __u32 capabilities; 1477 __u32 reserved[3]; 1478}; 1479 1480/* Values for the 'type' field */ 1481#define V4L2_INPUT_TYPE_TUNER 1 1482#define V4L2_INPUT_TYPE_CAMERA 2 1483#define V4L2_INPUT_TYPE_TOUCH 3 1484 1485/* field 'status' - general */ 1486#define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1487#define V4L2_IN_ST_NO_SIGNAL 0x00000002 1488#define V4L2_IN_ST_NO_COLOR 0x00000004 1489 1490/* field 'status' - sensor orientation */ 1491/* If sensor is mounted upside down set both bits */ 1492#define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1493#define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1494 1495/* field 'status' - analog */ 1496#define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1497#define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1498#define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */ 1499#define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */ 1500 1501/* field 'status' - digital */ 1502#define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1503#define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1504#define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1505 1506/* field 'status' - VCR and set-top box */ 1507#define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1508#define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1509#define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1510 1511/* capabilities flags */ 1512#define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1513#define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1514#define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1515#define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1516 1517/* 1518 * V I D E O O U T P U T S 1519 */ 1520struct v4l2_output { 1521 __u32 index; /* Which output */ 1522 __u8 name[32]; /* Label */ 1523 __u32 type; /* Type of output */ 1524 __u32 audioset; /* Associated audios (bitfield) */ 1525 __u32 modulator; /* Associated modulator */ 1526 v4l2_std_id std; 1527 __u32 capabilities; 1528 __u32 reserved[3]; 1529}; 1530/* Values for the 'type' field */ 1531#define V4L2_OUTPUT_TYPE_MODULATOR 1 1532#define V4L2_OUTPUT_TYPE_ANALOG 2 1533#define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1534 1535/* capabilities flags */ 1536#define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1537#define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1538#define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1539#define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1540 1541/* 1542 * C O N T R O L S 1543 */ 1544struct v4l2_control { 1545 __u32 id; 1546 __s32 value; 1547}; 1548 1549struct v4l2_ext_control { 1550 __u32 id; 1551 __u32 size; 1552 __u32 reserved2[1]; 1553 union { 1554 __s32 value; 1555 __s64 value64; 1556 char __user *string; 1557 __u8 __user *p_u8; 1558 __u16 __user *p_u16; 1559 __u32 __user *p_u32; 1560 void __user *ptr; 1561 }; 1562} __attribute__ ((packed)); 1563 1564struct v4l2_ext_controls { 1565 union { 1566#ifndef __KERNEL__ 1567 __u32 ctrl_class; 1568#endif 1569 __u32 which; 1570 }; 1571 __u32 count; 1572 __u32 error_idx; 1573 __u32 reserved[2]; 1574 struct v4l2_ext_control *controls; 1575}; 1576 1577#define V4L2_CTRL_ID_MASK (0x0fffffff) 1578#ifndef __KERNEL__ 1579#define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1580#endif 1581#define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL) 1582#define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1583#define V4L2_CTRL_MAX_DIMS (4) 1584#define V4L2_CTRL_WHICH_CUR_VAL 0 1585#define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000 1586 1587enum v4l2_ctrl_type { 1588 V4L2_CTRL_TYPE_INTEGER = 1, 1589 V4L2_CTRL_TYPE_BOOLEAN = 2, 1590 V4L2_CTRL_TYPE_MENU = 3, 1591 V4L2_CTRL_TYPE_BUTTON = 4, 1592 V4L2_CTRL_TYPE_INTEGER64 = 5, 1593 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1594 V4L2_CTRL_TYPE_STRING = 7, 1595 V4L2_CTRL_TYPE_BITMASK = 8, 1596 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1597 1598 /* Compound types are >= 0x0100 */ 1599 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1600 V4L2_CTRL_TYPE_U8 = 0x0100, 1601 V4L2_CTRL_TYPE_U16 = 0x0101, 1602 V4L2_CTRL_TYPE_U32 = 0x0102, 1603}; 1604 1605/* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1606struct v4l2_queryctrl { 1607 __u32 id; 1608 __u32 type; /* enum v4l2_ctrl_type */ 1609 __u8 name[32]; /* Whatever */ 1610 __s32 minimum; /* Note signedness */ 1611 __s32 maximum; 1612 __s32 step; 1613 __s32 default_value; 1614 __u32 flags; 1615 __u32 reserved[2]; 1616}; 1617 1618/* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1619struct v4l2_query_ext_ctrl { 1620 __u32 id; 1621 __u32 type; 1622 char name[32]; 1623 __s64 minimum; 1624 __s64 maximum; 1625 __u64 step; 1626 __s64 default_value; 1627 __u32 flags; 1628 __u32 elem_size; 1629 __u32 elems; 1630 __u32 nr_of_dims; 1631 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1632 __u32 reserved[32]; 1633}; 1634 1635/* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1636struct v4l2_querymenu { 1637 __u32 id; 1638 __u32 index; 1639 union { 1640 __u8 name[32]; /* Whatever */ 1641 __s64 value; 1642 }; 1643 __u32 reserved; 1644} __attribute__ ((packed)); 1645 1646/* Control flags */ 1647#define V4L2_CTRL_FLAG_DISABLED 0x0001 1648#define V4L2_CTRL_FLAG_GRABBED 0x0002 1649#define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1650#define V4L2_CTRL_FLAG_UPDATE 0x0008 1651#define V4L2_CTRL_FLAG_INACTIVE 0x0010 1652#define V4L2_CTRL_FLAG_SLIDER 0x0020 1653#define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1654#define V4L2_CTRL_FLAG_VOLATILE 0x0080 1655#define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1656#define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 1657 1658/* Query flags, to be ORed with the control ID */ 1659#define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1660#define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1661 1662/* User-class control IDs defined by V4L2 */ 1663#define V4L2_CID_MAX_CTRLS 1024 1664/* IDs reserved for driver specific controls */ 1665#define V4L2_CID_PRIVATE_BASE 0x08000000 1666 1667 1668/* 1669 * T U N I N G 1670 */ 1671struct v4l2_tuner { 1672 __u32 index; 1673 __u8 name[32]; 1674 __u32 type; /* enum v4l2_tuner_type */ 1675 __u32 capability; 1676 __u32 rangelow; 1677 __u32 rangehigh; 1678 __u32 rxsubchans; 1679 __u32 audmode; 1680 __s32 signal; 1681 __s32 afc; 1682 __u32 reserved[4]; 1683}; 1684 1685struct v4l2_modulator { 1686 __u32 index; 1687 __u8 name[32]; 1688 __u32 capability; 1689 __u32 rangelow; 1690 __u32 rangehigh; 1691 __u32 txsubchans; 1692 __u32 type; /* enum v4l2_tuner_type */ 1693 __u32 reserved[3]; 1694}; 1695 1696/* Flags for the 'capability' field */ 1697#define V4L2_TUNER_CAP_LOW 0x0001 1698#define V4L2_TUNER_CAP_NORM 0x0002 1699#define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1700#define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1701#define V4L2_TUNER_CAP_STEREO 0x0010 1702#define V4L2_TUNER_CAP_LANG2 0x0020 1703#define V4L2_TUNER_CAP_SAP 0x0020 1704#define V4L2_TUNER_CAP_LANG1 0x0040 1705#define V4L2_TUNER_CAP_RDS 0x0080 1706#define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1707#define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1708#define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1709#define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1710#define V4L2_TUNER_CAP_1HZ 0x1000 1711 1712/* Flags for the 'rxsubchans' field */ 1713#define V4L2_TUNER_SUB_MONO 0x0001 1714#define V4L2_TUNER_SUB_STEREO 0x0002 1715#define V4L2_TUNER_SUB_LANG2 0x0004 1716#define V4L2_TUNER_SUB_SAP 0x0004 1717#define V4L2_TUNER_SUB_LANG1 0x0008 1718#define V4L2_TUNER_SUB_RDS 0x0010 1719 1720/* Values for the 'audmode' field */ 1721#define V4L2_TUNER_MODE_MONO 0x0000 1722#define V4L2_TUNER_MODE_STEREO 0x0001 1723#define V4L2_TUNER_MODE_LANG2 0x0002 1724#define V4L2_TUNER_MODE_SAP 0x0002 1725#define V4L2_TUNER_MODE_LANG1 0x0003 1726#define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1727 1728struct v4l2_frequency { 1729 __u32 tuner; 1730 __u32 type; /* enum v4l2_tuner_type */ 1731 __u32 frequency; 1732 __u32 reserved[8]; 1733}; 1734 1735#define V4L2_BAND_MODULATION_VSB (1 << 1) 1736#define V4L2_BAND_MODULATION_FM (1 << 2) 1737#define V4L2_BAND_MODULATION_AM (1 << 3) 1738 1739struct v4l2_frequency_band { 1740 __u32 tuner; 1741 __u32 type; /* enum v4l2_tuner_type */ 1742 __u32 index; 1743 __u32 capability; 1744 __u32 rangelow; 1745 __u32 rangehigh; 1746 __u32 modulation; 1747 __u32 reserved[9]; 1748}; 1749 1750struct v4l2_hw_freq_seek { 1751 __u32 tuner; 1752 __u32 type; /* enum v4l2_tuner_type */ 1753 __u32 seek_upward; 1754 __u32 wrap_around; 1755 __u32 spacing; 1756 __u32 rangelow; 1757 __u32 rangehigh; 1758 __u32 reserved[5]; 1759}; 1760 1761/* 1762 * R D S 1763 */ 1764 1765struct v4l2_rds_data { 1766 __u8 lsb; 1767 __u8 msb; 1768 __u8 block; 1769} __attribute__ ((packed)); 1770 1771#define V4L2_RDS_BLOCK_MSK 0x7 1772#define V4L2_RDS_BLOCK_A 0 1773#define V4L2_RDS_BLOCK_B 1 1774#define V4L2_RDS_BLOCK_C 2 1775#define V4L2_RDS_BLOCK_D 3 1776#define V4L2_RDS_BLOCK_C_ALT 4 1777#define V4L2_RDS_BLOCK_INVALID 7 1778 1779#define V4L2_RDS_BLOCK_CORRECTED 0x40 1780#define V4L2_RDS_BLOCK_ERROR 0x80 1781 1782/* 1783 * A U D I O 1784 */ 1785struct v4l2_audio { 1786 __u32 index; 1787 __u8 name[32]; 1788 __u32 capability; 1789 __u32 mode; 1790 __u32 reserved[2]; 1791}; 1792 1793/* Flags for the 'capability' field */ 1794#define V4L2_AUDCAP_STEREO 0x00001 1795#define V4L2_AUDCAP_AVL 0x00002 1796 1797/* Flags for the 'mode' field */ 1798#define V4L2_AUDMODE_AVL 0x00001 1799 1800struct v4l2_audioout { 1801 __u32 index; 1802 __u8 name[32]; 1803 __u32 capability; 1804 __u32 mode; 1805 __u32 reserved[2]; 1806}; 1807 1808/* 1809 * M P E G S E R V I C E S 1810 */ 1811#if 1 1812#define V4L2_ENC_IDX_FRAME_I (0) 1813#define V4L2_ENC_IDX_FRAME_P (1) 1814#define V4L2_ENC_IDX_FRAME_B (2) 1815#define V4L2_ENC_IDX_FRAME_MASK (0xf) 1816 1817struct v4l2_enc_idx_entry { 1818 __u64 offset; 1819 __u64 pts; 1820 __u32 length; 1821 __u32 flags; 1822 __u32 reserved[2]; 1823}; 1824 1825#define V4L2_ENC_IDX_ENTRIES (64) 1826struct v4l2_enc_idx { 1827 __u32 entries; 1828 __u32 entries_cap; 1829 __u32 reserved[4]; 1830 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 1831}; 1832 1833 1834#define V4L2_ENC_CMD_START (0) 1835#define V4L2_ENC_CMD_STOP (1) 1836#define V4L2_ENC_CMD_PAUSE (2) 1837#define V4L2_ENC_CMD_RESUME (3) 1838 1839/* Flags for V4L2_ENC_CMD_STOP */ 1840#define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 1841 1842struct v4l2_encoder_cmd { 1843 __u32 cmd; 1844 __u32 flags; 1845 union { 1846 struct { 1847 __u32 data[8]; 1848 } raw; 1849 }; 1850}; 1851 1852/* Decoder commands */ 1853#define V4L2_DEC_CMD_START (0) 1854#define V4L2_DEC_CMD_STOP (1) 1855#define V4L2_DEC_CMD_PAUSE (2) 1856#define V4L2_DEC_CMD_RESUME (3) 1857 1858/* Flags for V4L2_DEC_CMD_START */ 1859#define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 1860 1861/* Flags for V4L2_DEC_CMD_PAUSE */ 1862#define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 1863 1864/* Flags for V4L2_DEC_CMD_STOP */ 1865#define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 1866#define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 1867 1868/* Play format requirements (returned by the driver): */ 1869 1870/* The decoder has no special format requirements */ 1871#define V4L2_DEC_START_FMT_NONE (0) 1872/* The decoder requires full GOPs */ 1873#define V4L2_DEC_START_FMT_GOP (1) 1874 1875/* The structure must be zeroed before use by the application 1876 This ensures it can be extended safely in the future. */ 1877struct v4l2_decoder_cmd { 1878 __u32 cmd; 1879 __u32 flags; 1880 union { 1881 struct { 1882 __u64 pts; 1883 } stop; 1884 1885 struct { 1886 /* 0 or 1000 specifies normal speed, 1887 1 specifies forward single stepping, 1888 -1 specifies backward single stepping, 1889 >1: playback at speed/1000 of the normal speed, 1890 <-1: reverse playback at (-speed/1000) of the normal speed. */ 1891 __s32 speed; 1892 __u32 format; 1893 } start; 1894 1895 struct { 1896 __u32 data[16]; 1897 } raw; 1898 }; 1899}; 1900#endif 1901 1902 1903/* 1904 * D A T A S E R V I C E S ( V B I ) 1905 * 1906 * Data services API by Michael Schimek 1907 */ 1908 1909/* Raw VBI */ 1910struct v4l2_vbi_format { 1911 __u32 sampling_rate; /* in 1 Hz */ 1912 __u32 offset; 1913 __u32 samples_per_line; 1914 __u32 sample_format; /* V4L2_PIX_FMT_* */ 1915 __s32 start[2]; 1916 __u32 count[2]; 1917 __u32 flags; /* V4L2_VBI_* */ 1918 __u32 reserved[2]; /* must be zero */ 1919}; 1920 1921/* VBI flags */ 1922#define V4L2_VBI_UNSYNC (1 << 0) 1923#define V4L2_VBI_INTERLACED (1 << 1) 1924 1925/* ITU-R start lines for each field */ 1926#define V4L2_VBI_ITU_525_F1_START (1) 1927#define V4L2_VBI_ITU_525_F2_START (264) 1928#define V4L2_VBI_ITU_625_F1_START (1) 1929#define V4L2_VBI_ITU_625_F2_START (314) 1930 1931/* Sliced VBI 1932 * 1933 * This implements is a proposal V4L2 API to allow SLICED VBI 1934 * required for some hardware encoders. It should change without 1935 * notice in the definitive implementation. 1936 */ 1937 1938struct v4l2_sliced_vbi_format { 1939 __u16 service_set; 1940 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1941 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1942 (equals frame lines 313-336 for 625 line video 1943 standards, 263-286 for 525 line standards) */ 1944 __u16 service_lines[2][24]; 1945 __u32 io_size; 1946 __u32 reserved[2]; /* must be zero */ 1947}; 1948 1949/* Teletext World System Teletext 1950 (WST), defined on ITU-R BT.653-2 */ 1951#define V4L2_SLICED_TELETEXT_B (0x0001) 1952/* Video Program System, defined on ETS 300 231*/ 1953#define V4L2_SLICED_VPS (0x0400) 1954/* Closed Caption, defined on EIA-608 */ 1955#define V4L2_SLICED_CAPTION_525 (0x1000) 1956/* Wide Screen System, defined on ITU-R BT1119.1 */ 1957#define V4L2_SLICED_WSS_625 (0x4000) 1958 1959#define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 1960#define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 1961 1962struct v4l2_sliced_vbi_cap { 1963 __u16 service_set; 1964 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1965 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1966 (equals frame lines 313-336 for 625 line video 1967 standards, 263-286 for 525 line standards) */ 1968 __u16 service_lines[2][24]; 1969 __u32 type; /* enum v4l2_buf_type */ 1970 __u32 reserved[3]; /* must be 0 */ 1971}; 1972 1973struct v4l2_sliced_vbi_data { 1974 __u32 id; 1975 __u32 field; /* 0: first field, 1: second field */ 1976 __u32 line; /* 1-23 */ 1977 __u32 reserved; /* must be 0 */ 1978 __u8 data[48]; 1979}; 1980 1981/* 1982 * Sliced VBI data inserted into MPEG Streams 1983 */ 1984 1985/* 1986 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 1987 * 1988 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 1989 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 1990 * data 1991 * 1992 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 1993 * definitions are not included here. See the MPEG-2 specifications for details 1994 * on these headers. 1995 */ 1996 1997/* Line type IDs */ 1998#define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 1999#define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 2000#define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 2001#define V4L2_MPEG_VBI_IVTV_VPS (7) 2002 2003struct v4l2_mpeg_vbi_itv0_line { 2004 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 2005 __u8 data[42]; /* Sliced VBI data for the line */ 2006} __attribute__ ((packed)); 2007 2008struct v4l2_mpeg_vbi_itv0 { 2009 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 2010 struct v4l2_mpeg_vbi_itv0_line line[35]; 2011} __attribute__ ((packed)); 2012 2013struct v4l2_mpeg_vbi_ITV0 { 2014 struct v4l2_mpeg_vbi_itv0_line line[36]; 2015} __attribute__ ((packed)); 2016 2017#define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 2018#define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 2019 2020struct v4l2_mpeg_vbi_fmt_ivtv { 2021 __u8 magic[4]; 2022 union { 2023 struct v4l2_mpeg_vbi_itv0 itv0; 2024 struct v4l2_mpeg_vbi_ITV0 ITV0; 2025 }; 2026} __attribute__ ((packed)); 2027 2028/* 2029 * A G G R E G A T E S T R U C T U R E S 2030 */ 2031 2032/** 2033 * struct v4l2_plane_pix_format - additional, per-plane format definition 2034 * @sizeimage: maximum size in bytes required for data, for which 2035 * this plane will be used 2036 * @bytesperline: distance in bytes between the leftmost pixels in two 2037 * adjacent lines 2038 */ 2039struct v4l2_plane_pix_format { 2040 __u32 sizeimage; 2041 __u32 bytesperline; 2042 __u16 reserved[6]; 2043} __attribute__ ((packed)); 2044 2045/** 2046 * struct v4l2_pix_format_mplane - multiplanar format definition 2047 * @width: image width in pixels 2048 * @height: image height in pixels 2049 * @pixelformat: little endian four character code (fourcc) 2050 * @field: enum v4l2_field; field order (for interlaced video) 2051 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 2052 * @plane_fmt: per-plane information 2053 * @num_planes: number of planes for this format 2054 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 2055 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding 2056 * @quantization: enum v4l2_quantization, colorspace quantization 2057 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function 2058 */ 2059struct v4l2_pix_format_mplane { 2060 __u32 width; 2061 __u32 height; 2062 __u32 pixelformat; 2063 __u32 field; 2064 __u32 colorspace; 2065 2066 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 2067 __u8 num_planes; 2068 __u8 flags; 2069 union { 2070 __u8 ycbcr_enc; 2071 __u8 hsv_enc; 2072 }; 2073 __u8 quantization; 2074 __u8 xfer_func; 2075 __u8 reserved[7]; 2076} __attribute__ ((packed)); 2077 2078/** 2079 * struct v4l2_sdr_format - SDR format definition 2080 * @pixelformat: little endian four character code (fourcc) 2081 * @buffersize: maximum size in bytes required for data 2082 */ 2083struct v4l2_sdr_format { 2084 __u32 pixelformat; 2085 __u32 buffersize; 2086 __u8 reserved[24]; 2087} __attribute__ ((packed)); 2088 2089/** 2090 * struct v4l2_format - stream data format 2091 * @type: enum v4l2_buf_type; type of the data stream 2092 * @pix: definition of an image format 2093 * @pix_mp: definition of a multiplanar image format 2094 * @win: definition of an overlaid image 2095 * @vbi: raw VBI capture or output parameters 2096 * @sliced: sliced VBI capture or output parameters 2097 * @raw_data: placeholder for future extensions and custom formats 2098 */ 2099struct v4l2_format { 2100 __u32 type; 2101 union { 2102 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 2103 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 2104 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 2105 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 2106 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 2107 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 2108 __u8 raw_data[200]; /* user-defined */ 2109 } fmt; 2110}; 2111 2112/* Stream type-dependent parameters 2113 */ 2114struct v4l2_streamparm { 2115 __u32 type; /* enum v4l2_buf_type */ 2116 union { 2117 struct v4l2_captureparm capture; 2118 struct v4l2_outputparm output; 2119 __u8 raw_data[200]; /* user-defined */ 2120 } parm; 2121}; 2122 2123/* 2124 * E V E N T S 2125 */ 2126 2127#define V4L2_EVENT_ALL 0 2128#define V4L2_EVENT_VSYNC 1 2129#define V4L2_EVENT_EOS 2 2130#define V4L2_EVENT_CTRL 3 2131#define V4L2_EVENT_FRAME_SYNC 4 2132#define V4L2_EVENT_SOURCE_CHANGE 5 2133#define V4L2_EVENT_MOTION_DET 6 2134#define V4L2_EVENT_PRIVATE_START 0x08000000 2135 2136/* Payload for V4L2_EVENT_VSYNC */ 2137struct v4l2_event_vsync { 2138 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 2139 __u8 field; 2140} __attribute__ ((packed)); 2141 2142/* Payload for V4L2_EVENT_CTRL */ 2143#define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 2144#define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 2145#define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 2146 2147struct v4l2_event_ctrl { 2148 __u32 changes; 2149 __u32 type; 2150 union { 2151 __s32 value; 2152 __s64 value64; 2153 }; 2154 __u32 flags; 2155 __s32 minimum; 2156 __s32 maximum; 2157 __s32 step; 2158 __s32 default_value; 2159}; 2160 2161struct v4l2_event_frame_sync { 2162 __u32 frame_sequence; 2163}; 2164 2165#define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 2166 2167struct v4l2_event_src_change { 2168 __u32 changes; 2169}; 2170 2171#define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 2172 2173/** 2174 * struct v4l2_event_motion_det - motion detection event 2175 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 2176 * frame_sequence field is valid. 2177 * @frame_sequence: the frame sequence number associated with this event. 2178 * @region_mask: which regions detected motion. 2179 */ 2180struct v4l2_event_motion_det { 2181 __u32 flags; 2182 __u32 frame_sequence; 2183 __u32 region_mask; 2184}; 2185 2186struct v4l2_event { 2187 __u32 type; 2188 union { 2189 struct v4l2_event_vsync vsync; 2190 struct v4l2_event_ctrl ctrl; 2191 struct v4l2_event_frame_sync frame_sync; 2192 struct v4l2_event_src_change src_change; 2193 struct v4l2_event_motion_det motion_det; 2194 __u8 data[64]; 2195 } u; 2196 __u32 pending; 2197 __u32 sequence; 2198 struct timespec timestamp; 2199 __u32 id; 2200 __u32 reserved[8]; 2201}; 2202 2203#define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2204#define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2205 2206struct v4l2_event_subscription { 2207 __u32 type; 2208 __u32 id; 2209 __u32 flags; 2210 __u32 reserved[5]; 2211}; 2212 2213/* 2214 * A D V A N C E D D E B U G G I N G 2215 * 2216 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2217 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2218 */ 2219 2220/* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2221 2222#define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2223#define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2224 2225/* The following four defines are no longer in use */ 2226#define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2227#define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2228#define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2229#define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2230 2231struct v4l2_dbg_match { 2232 __u32 type; /* Match type */ 2233 union { /* Match this chip, meaning determined by type */ 2234 __u32 addr; 2235 char name[32]; 2236 }; 2237} __attribute__ ((packed)); 2238 2239struct v4l2_dbg_register { 2240 struct v4l2_dbg_match match; 2241 __u32 size; /* register size in bytes */ 2242 __u64 reg; 2243 __u64 val; 2244} __attribute__ ((packed)); 2245 2246#define V4L2_CHIP_FL_READABLE (1 << 0) 2247#define V4L2_CHIP_FL_WRITABLE (1 << 1) 2248 2249/* VIDIOC_DBG_G_CHIP_INFO */ 2250struct v4l2_dbg_chip_info { 2251 struct v4l2_dbg_match match; 2252 char name[32]; 2253 __u32 flags; 2254 __u32 reserved[32]; 2255} __attribute__ ((packed)); 2256 2257/** 2258 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2259 * @index: on return, index of the first created buffer 2260 * @count: entry: number of requested buffers, 2261 * return: number of created buffers 2262 * @memory: enum v4l2_memory; buffer memory type 2263 * @format: frame format, for which buffers are requested 2264 * @reserved: future extensions 2265 */ 2266struct v4l2_create_buffers { 2267 __u32 index; 2268 __u32 count; 2269 __u32 memory; 2270 struct v4l2_format format; 2271 __u32 reserved[8]; 2272}; 2273 2274/* 2275 * 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 2276 * 2277 */ 2278#define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2279#define VIDIOC_RESERVED _IO('V', 1) 2280#define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2281#define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2282#define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2283#define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2284#define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2285#define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2286#define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2287#define VIDIOC_OVERLAY _IOW('V', 14, int) 2288#define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2289#define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2290#define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2291#define VIDIOC_STREAMON _IOW('V', 18, int) 2292#define VIDIOC_STREAMOFF _IOW('V', 19, int) 2293#define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2294#define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2295#define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2296#define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2297#define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2298#define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2299#define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2300#define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2301#define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2302#define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2303#define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2304#define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2305#define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2306#define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2307#define VIDIOC_G_INPUT _IOR('V', 38, int) 2308#define VIDIOC_S_INPUT _IOWR('V', 39, int) 2309#define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2310#define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2311#define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2312#define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2313#define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2314#define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2315#define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2316#define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2317#define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2318#define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2319#define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2320#define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2321#define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2322#define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2323#define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2324#define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2325#define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2326#define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2327#define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2328#define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2329#define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2330#define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2331#define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2332#define VIDIOC_LOG_STATUS _IO('V', 70) 2333#define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2334#define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2335#define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2336#define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2337#define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2338#define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2339#define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2340#define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2341 2342/* 2343 * Experimental, meant for debugging, testing and internal use. 2344 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2345 * You must be root to use these ioctls. Never use these in applications! 2346 */ 2347#define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2348#define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2349 2350#define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2351#define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2352#define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2353#define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2354#define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2355#define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2356#define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2357#define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2358#define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2359#define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2360#define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2361#define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2362#define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2363#define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2364#define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2365#define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2366 2367/* 2368 * Experimental, meant for debugging, testing and internal use. 2369 * Never use this in applications! 2370 */ 2371#define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2372 2373#define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2374 2375/* Reminder: when adding new ioctls please add support for them to 2376 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */ 2377 2378#define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2379 2380#endif /* _UAPI__LINUX_VIDEODEV2_H */ 2381