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 http://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 57// Note: 58// This header file is obtained from ChromeOS which is not upstreamed in Linux 59// mainline. This should be removed once it is upstreamed. 60// TODO(johnylin): remove this file once it is upstreamed. 61 62#ifndef _UAPI__LINUX_VIDEODEV2_H 63#define _UAPI__LINUX_VIDEODEV2_H 64 65#ifndef __KERNEL__ 66#include <sys/time.h> 67#endif 68#include <linux/compiler.h> 69#include <linux/ioctl.h> 70#include <linux/types.h> 71#include <linux/v4l2-common.h> 72//#include <linux/v4l2-controls.h> 73#include <v4l2-controls.h> // use local v4l2-controls.h file 74 75/* 76 * Common stuff for both V4L1 and V4L2 77 * Moved from videodev.h 78 */ 79#define VIDEO_MAX_FRAME 32 80#define VIDEO_MAX_PLANES 8 81 82/* 83 * M I S C E L L A N E O U S 84 */ 85 86/* Four-character-code (FOURCC) */ 87#define v4l2_fourcc(a, b, c, d)\ 88 ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24)) 89#define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1 << 31)) 90 91/* 92 * E N U M S 93 */ 94enum v4l2_field { 95 V4L2_FIELD_ANY = 0, /* driver can choose from none, 96 top, bottom, interlaced 97 depending on whatever it thinks 98 is approximate ... */ 99 V4L2_FIELD_NONE = 1, /* this device has no fields ... */ 100 V4L2_FIELD_TOP = 2, /* top field only */ 101 V4L2_FIELD_BOTTOM = 3, /* bottom field only */ 102 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */ 103 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one 104 buffer, top-bottom order */ 105 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */ 106 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into 107 separate buffers */ 108 V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field 109 first and the top field is 110 transmitted first */ 111 V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field 112 first and the bottom field is 113 transmitted first */ 114}; 115#define V4L2_FIELD_HAS_TOP(field) \ 116 ((field) == V4L2_FIELD_TOP ||\ 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_BOTTOM(field) \ 123 ((field) == V4L2_FIELD_BOTTOM ||\ 124 (field) == V4L2_FIELD_INTERLACED ||\ 125 (field) == V4L2_FIELD_INTERLACED_TB ||\ 126 (field) == V4L2_FIELD_INTERLACED_BT ||\ 127 (field) == V4L2_FIELD_SEQ_TB ||\ 128 (field) == V4L2_FIELD_SEQ_BT) 129#define V4L2_FIELD_HAS_BOTH(field) \ 130 ((field) == V4L2_FIELD_INTERLACED ||\ 131 (field) == V4L2_FIELD_INTERLACED_TB ||\ 132 (field) == V4L2_FIELD_INTERLACED_BT ||\ 133 (field) == V4L2_FIELD_SEQ_TB ||\ 134 (field) == V4L2_FIELD_SEQ_BT) 135#define V4L2_FIELD_HAS_T_OR_B(field) \ 136 ((field) == V4L2_FIELD_BOTTOM ||\ 137 (field) == V4L2_FIELD_TOP ||\ 138 (field) == V4L2_FIELD_ALTERNATE) 139 140enum v4l2_buf_type { 141 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, 142 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, 143 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, 144 V4L2_BUF_TYPE_VBI_CAPTURE = 4, 145 V4L2_BUF_TYPE_VBI_OUTPUT = 5, 146 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6, 147 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7, 148#if 1 149 /* Experimental */ 150 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8, 151#endif 152 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9, 153 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10, 154 V4L2_BUF_TYPE_SDR_CAPTURE = 11, 155 V4L2_BUF_TYPE_SDR_OUTPUT = 12, 156 /* Deprecated, do not use */ 157 V4L2_BUF_TYPE_PRIVATE = 0x80, 158}; 159 160#define V4L2_TYPE_IS_MULTIPLANAR(type) \ 161 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \ 162 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 163 164#define V4L2_TYPE_IS_OUTPUT(type) \ 165 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \ 166 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \ 167 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \ 168 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \ 169 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \ 170 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \ 171 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT) 172 173enum v4l2_tuner_type { 174 V4L2_TUNER_RADIO = 1, 175 V4L2_TUNER_ANALOG_TV = 2, 176 V4L2_TUNER_DIGITAL_TV = 3, 177 V4L2_TUNER_SDR = 4, 178 V4L2_TUNER_RF = 5, 179}; 180 181/* Deprecated, do not use */ 182#define V4L2_TUNER_ADC V4L2_TUNER_SDR 183 184enum v4l2_memory { 185 V4L2_MEMORY_MMAP = 1, 186 V4L2_MEMORY_USERPTR = 2, 187 V4L2_MEMORY_OVERLAY = 3, 188 V4L2_MEMORY_DMABUF = 4, 189}; 190 191/* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 192enum v4l2_colorspace { 193 /* 194 * Default colorspace, i.e. let the driver figure it out. 195 * Can only be used with video capture. 196 */ 197 V4L2_COLORSPACE_DEFAULT = 0, 198 199 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */ 200 V4L2_COLORSPACE_SMPTE170M = 1, 201 202 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */ 203 V4L2_COLORSPACE_SMPTE240M = 2, 204 205 /* Rec.709: used for HDTV */ 206 V4L2_COLORSPACE_REC709 = 3, 207 208 /* 209 * Deprecated, do not use. No driver will ever return this. This was 210 * based on a misunderstanding of the bt878 datasheet. 211 */ 212 V4L2_COLORSPACE_BT878 = 4, 213 214 /* 215 * NTSC 1953 colorspace. This only makes sense when dealing with 216 * really, really old NTSC recordings. Superseded by SMPTE 170M. 217 */ 218 V4L2_COLORSPACE_470_SYSTEM_M = 5, 219 220 /* 221 * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when 222 * dealing with really old PAL/SECAM recordings. Superseded by 223 * SMPTE 170M. 224 */ 225 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 226 227 /* 228 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601 229 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG. 230 */ 231 V4L2_COLORSPACE_JPEG = 7, 232 233 /* For RGB colorspaces such as produces by most webcams. */ 234 V4L2_COLORSPACE_SRGB = 8, 235 236 /* AdobeRGB colorspace */ 237 V4L2_COLORSPACE_ADOBERGB = 9, 238 239 /* BT.2020 colorspace, used for UHDTV. */ 240 V4L2_COLORSPACE_BT2020 = 10, 241 242 /* Raw colorspace: for RAW unprocessed images */ 243 V4L2_COLORSPACE_RAW = 11, 244 245 /* DCI-P3 colorspace, used by cinema projectors */ 246 V4L2_COLORSPACE_DCI_P3 = 12, 247}; 248 249/* 250 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace. 251 * This depends on whether this is a SDTV image (use SMPTE 170M), an 252 * HDTV image (use Rec. 709), or something else (use sRGB). 253 */ 254#define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \ 255 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \ 256 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB)) 257 258enum v4l2_xfer_func { 259 /* 260 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions 261 * for the various colorspaces: 262 * 263 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 264 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and 265 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709 266 * 267 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB 268 * 269 * V4L2_COLORSPACE_ADOBERGB: V4L2_XFER_FUNC_ADOBERGB 270 * 271 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M 272 * 273 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE 274 * 275 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3 276 */ 277 V4L2_XFER_FUNC_DEFAULT = 0, 278 V4L2_XFER_FUNC_709 = 1, 279 V4L2_XFER_FUNC_SRGB = 2, 280 V4L2_XFER_FUNC_ADOBERGB = 3, 281 V4L2_XFER_FUNC_SMPTE240M = 4, 282 V4L2_XFER_FUNC_NONE = 5, 283 V4L2_XFER_FUNC_DCI_P3 = 6, 284 V4L2_XFER_FUNC_SMPTE2084 = 7, 285}; 286 287/* 288 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function. 289 * This depends on the colorspace. 290 */ 291#define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \ 292 ((colsp) == V4L2_COLORSPACE_ADOBERGB ? V4L2_XFER_FUNC_ADOBERGB : \ 293 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \ 294 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \ 295 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \ 296 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \ 297 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709))))) 298 299enum v4l2_ycbcr_encoding { 300 /* 301 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the 302 * various colorspaces: 303 * 304 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 305 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_ADOBERGB and 306 * V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601 307 * 308 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709 309 * 310 * V4L2_COLORSPACE_SRGB: V4L2_YCBCR_ENC_SYCC 311 * 312 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020 313 * 314 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M 315 */ 316 V4L2_YCBCR_ENC_DEFAULT = 0, 317 318 /* ITU-R 601 -- SDTV */ 319 V4L2_YCBCR_ENC_601 = 1, 320 321 /* Rec. 709 -- HDTV */ 322 V4L2_YCBCR_ENC_709 = 2, 323 324 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */ 325 V4L2_YCBCR_ENC_XV601 = 3, 326 327 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */ 328 V4L2_YCBCR_ENC_XV709 = 4, 329 330 /* sYCC (Y'CbCr encoding of sRGB) */ 331 V4L2_YCBCR_ENC_SYCC = 5, 332 333 /* BT.2020 Non-constant Luminance Y'CbCr */ 334 V4L2_YCBCR_ENC_BT2020 = 6, 335 336 /* BT.2020 Constant Luminance Y'CbcCrc */ 337 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7, 338 339 /* SMPTE 240M -- Obsolete HDTV */ 340 V4L2_YCBCR_ENC_SMPTE240M = 8, 341}; 342 343/* 344 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding. 345 * This depends on the colorspace. 346 */ 347#define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \ 348 (((colsp) == V4L2_COLORSPACE_REC709 || \ 349 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \ 350 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \ 351 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \ 352 V4L2_YCBCR_ENC_601))) 353 354enum v4l2_quantization { 355 /* 356 * The default for R'G'B' quantization is always full range, except 357 * for the BT2020 colorspace. For Y'CbCr the quantization is always 358 * limited range, except for COLORSPACE_JPEG, SYCC, XV601 or XV709: 359 * those are full range. 360 */ 361 V4L2_QUANTIZATION_DEFAULT = 0, 362 V4L2_QUANTIZATION_FULL_RANGE = 1, 363 V4L2_QUANTIZATION_LIM_RANGE = 2, 364}; 365 366/* 367 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization. 368 * This depends on whether the image is RGB or not, the colorspace and the 369 * Y'CbCr encoding. 370 */ 371#define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb, colsp, ycbcr_enc) \ 372 (((is_rgb) && (colsp) == V4L2_COLORSPACE_BT2020) ? V4L2_QUANTIZATION_LIM_RANGE : \ 373 (((is_rgb) || (ycbcr_enc) == V4L2_YCBCR_ENC_XV601 || \ 374 (ycbcr_enc) == V4L2_YCBCR_ENC_XV709 || (colsp) == V4L2_COLORSPACE_JPEG) ? \ 375 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE)) 376 377enum v4l2_priority { 378 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 379 V4L2_PRIORITY_BACKGROUND = 1, 380 V4L2_PRIORITY_INTERACTIVE = 2, 381 V4L2_PRIORITY_RECORD = 3, 382 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 383}; 384 385struct v4l2_rect { 386 __s32 left; 387 __s32 top; 388 __u32 width; 389 __u32 height; 390}; 391 392struct v4l2_fract { 393 __u32 numerator; 394 __u32 denominator; 395}; 396 397/** 398 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 399 * 400 * @driver: name of the driver module (e.g. "bttv") 401 * @card: name of the card (e.g. "Hauppauge WinTV") 402 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 403 * @version: KERNEL_VERSION 404 * @capabilities: capabilities of the physical device as a whole 405 * @device_caps: capabilities accessed via this particular device (node) 406 * @reserved: reserved fields for future extensions 407 */ 408struct v4l2_capability { 409 __u8 driver[16]; 410 __u8 card[32]; 411 __u8 bus_info[32]; 412 __u32 version; 413 __u32 capabilities; 414 __u32 device_caps; 415 __u32 reserved[3]; 416}; 417 418/* Values for 'capabilities' field */ 419#define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 420#define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 421#define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 422#define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 423#define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 424#define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 425#define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 426#define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 427#define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 428#define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 429#define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 430 431/* Is a video capture device that supports multiplanar formats */ 432#define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 433/* Is a video output device that supports multiplanar formats */ 434#define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 435/* Is a video mem-to-mem device that supports multiplanar formats */ 436#define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 437/* Is a video mem-to-mem device */ 438#define V4L2_CAP_VIDEO_M2M 0x00008000 439 440#define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 441#define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 442#define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 443#define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 444 445#define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */ 446#define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */ 447#define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */ 448 449#define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 450#define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 451#define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 452 453#define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 454 455/* 456 * V I D E O I M A G E F O R M A T 457 */ 458struct v4l2_pix_format { 459 __u32 width; 460 __u32 height; 461 __u32 pixelformat; 462 __u32 field; /* enum v4l2_field */ 463 __u32 bytesperline; /* for padding, zero if unused */ 464 __u32 sizeimage; 465 __u32 colorspace; /* enum v4l2_colorspace */ 466 __u32 priv; /* private data, depends on pixelformat */ 467 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ 468 __u32 ycbcr_enc; /* enum v4l2_ycbcr_encoding */ 469 __u32 quantization; /* enum v4l2_quantization */ 470 __u32 xfer_func; /* enum v4l2_xfer_func */ 471}; 472 473/* Pixel format FOURCC depth Description */ 474 475/* RGB formats */ 476#define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 477#define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 478#define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */ 479#define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */ 480#define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 481#define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */ 482#define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */ 483#define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 484#define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 485#define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */ 486#define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */ 487#define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 488#define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 489#define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 490#define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 491#define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 492#define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */ 493#define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */ 494#define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 495#define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */ 496#define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */ 497 498/* Grey formats */ 499#define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 500#define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 501#define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 502#define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 503#define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 504#define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 505#define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */ 506 507/* Grey bit-packed formats */ 508#define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 509 510/* Palette formats */ 511#define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 512 513/* Chrominance formats */ 514#define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 515 516/* Luminance+Chrominance formats */ 517#define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 518#define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 519#define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 520#define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 521#define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 522#define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 523#define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 524#define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 525#define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 16 YVU411 planar */ 526#define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 527#define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 528#define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 529#define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 530#define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 531#define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 532#define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 533#define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */ 534#define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */ 535#define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 536 537/* two planes -- one Y, one Cr + Cb interleaved */ 538#define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 539#define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 540#define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 541#define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 542#define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 543#define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 544 545/* two non contiguous planes - one Y, one Cr + Cb interleaved */ 546#define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 547#define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 548#define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ 549#define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ 550#define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */ 551#define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */ 552 553/* three non contiguous planes - Y, Cb, Cr */ 554#define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 555#define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 556#define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */ 557#define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */ 558#define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */ 559#define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */ 560 561/* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 562#define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 563#define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 564#define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 565#define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 566#define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 567#define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 568#define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 569#define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 570 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ 571#define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') 572#define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') 573#define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') 574#define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') 575 /* 10bit raw bayer a-law compressed to 8 bits */ 576#define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 577#define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 578#define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 579#define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 580 /* 10bit raw bayer DPCM compressed to 8 bits */ 581#define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 582#define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 583#define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 584#define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 585#define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 586#define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 587#define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 588#define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 589#define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 590 591/* compressed formats */ 592#define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 593#define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 594#define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 595#define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 596#define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 597#define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 598#define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 599#define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */ 600#define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 601#define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 602#define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 603#define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 604#define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 605#define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 606#define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 607#define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 608#define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') /* VP8 parsed frames */ 609#define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */ 610#define V4L2_PIX_FMT_VP9_FRAME v4l2_fourcc('V', 'P', '9', 'F') /* VP9 parsed frames */ 611 612/* Vendor-specific formats */ 613#define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 614#define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 615#define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 616#define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 617#define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 618#define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 619#define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 620#define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 621#define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 622#define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 623#define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 624#define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 625#define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 626#define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 627#define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 628#define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 629#define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 630#define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 631#define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 632#define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 633#define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 634#define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 635#define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 636#define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 637#define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 638#define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 639#define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */ 640#define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */ 641#define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */ 642#define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */ 643 644/* SDR formats - used only for Software Defined Radio devices */ 645#define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 646#define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 647#define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 648#define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 649#define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 650 651/* priv field value to indicates that subsequent fields are valid. */ 652#define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 653 654/* Flags */ 655#define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 656 657/* 658 * F O R M A T E N U M E R A T I O N 659 */ 660struct v4l2_fmtdesc { 661 __u32 index; /* Format number */ 662 __u32 type; /* enum v4l2_buf_type */ 663 __u32 flags; 664 __u8 description[32]; /* Description string */ 665 __u32 pixelformat; /* Format fourcc */ 666 __u32 reserved[4]; 667}; 668 669#define V4L2_FMT_FLAG_COMPRESSED 0x0001 670#define V4L2_FMT_FLAG_EMULATED 0x0002 671 672#if 1 673 /* Experimental Frame Size and frame rate enumeration */ 674/* 675 * F R A M E S I Z E E N U M E R A T I O N 676 */ 677enum v4l2_frmsizetypes { 678 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 679 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 680 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 681}; 682 683struct v4l2_frmsize_discrete { 684 __u32 width; /* Frame width [pixel] */ 685 __u32 height; /* Frame height [pixel] */ 686}; 687 688struct v4l2_frmsize_stepwise { 689 __u32 min_width; /* Minimum frame width [pixel] */ 690 __u32 max_width; /* Maximum frame width [pixel] */ 691 __u32 step_width; /* Frame width step size [pixel] */ 692 __u32 min_height; /* Minimum frame height [pixel] */ 693 __u32 max_height; /* Maximum frame height [pixel] */ 694 __u32 step_height; /* Frame height step size [pixel] */ 695}; 696 697struct v4l2_frmsizeenum { 698 __u32 index; /* Frame size number */ 699 __u32 pixel_format; /* Pixel format */ 700 __u32 type; /* Frame size type the device supports. */ 701 702 union { /* Frame size */ 703 struct v4l2_frmsize_discrete discrete; 704 struct v4l2_frmsize_stepwise stepwise; 705 }; 706 707 __u32 reserved[2]; /* Reserved space for future use */ 708}; 709 710/* 711 * F R A M E R A T E E N U M E R A T I O N 712 */ 713enum v4l2_frmivaltypes { 714 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 715 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 716 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 717}; 718 719struct v4l2_frmival_stepwise { 720 struct v4l2_fract min; /* Minimum frame interval [s] */ 721 struct v4l2_fract max; /* Maximum frame interval [s] */ 722 struct v4l2_fract step; /* Frame interval step size [s] */ 723}; 724 725struct v4l2_frmivalenum { 726 __u32 index; /* Frame format index */ 727 __u32 pixel_format; /* Pixel format */ 728 __u32 width; /* Frame width */ 729 __u32 height; /* Frame height */ 730 __u32 type; /* Frame interval type the device supports. */ 731 732 union { /* Frame interval */ 733 struct v4l2_fract discrete; 734 struct v4l2_frmival_stepwise stepwise; 735 }; 736 737 __u32 reserved[2]; /* Reserved space for future use */ 738}; 739#endif 740 741/* 742 * T I M E C O D E 743 */ 744struct v4l2_timecode { 745 __u32 type; 746 __u32 flags; 747 __u8 frames; 748 __u8 seconds; 749 __u8 minutes; 750 __u8 hours; 751 __u8 userbits[4]; 752}; 753 754/* Type */ 755#define V4L2_TC_TYPE_24FPS 1 756#define V4L2_TC_TYPE_25FPS 2 757#define V4L2_TC_TYPE_30FPS 3 758#define V4L2_TC_TYPE_50FPS 4 759#define V4L2_TC_TYPE_60FPS 5 760 761/* Flags */ 762#define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 763#define V4L2_TC_FLAG_COLORFRAME 0x0002 764#define V4L2_TC_USERBITS_field 0x000C 765#define V4L2_TC_USERBITS_USERDEFINED 0x0000 766#define V4L2_TC_USERBITS_8BITCHARS 0x0008 767/* The above is based on SMPTE timecodes */ 768 769struct v4l2_jpegcompression { 770 int quality; 771 772 int APPn; /* Number of APP segment to be written, 773 * must be 0..15 */ 774 int APP_len; /* Length of data in JPEG APPn segment */ 775 char APP_data[60]; /* Data in the JPEG APPn segment. */ 776 777 int COM_len; /* Length of data in JPEG COM segment */ 778 char COM_data[60]; /* Data in JPEG COM segment */ 779 780 __u32 jpeg_markers; /* Which markers should go into the JPEG 781 * output. Unless you exactly know what 782 * you do, leave them untouched. 783 * Including less markers will make the 784 * resulting code smaller, but there will 785 * be fewer applications which can read it. 786 * The presence of the APP and COM marker 787 * is influenced by APP_len and COM_len 788 * ONLY, not by this property! */ 789 790#define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 791#define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 792#define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 793#define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 794#define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 795 * always use APP0 */ 796}; 797 798/* 799 * M E M O R Y - M A P P I N G B U F F E R S 800 */ 801struct v4l2_requestbuffers { 802 __u32 count; 803 __u32 type; /* enum v4l2_buf_type */ 804 __u32 memory; /* enum v4l2_memory */ 805 __u32 reserved[2]; 806}; 807 808/** 809 * struct v4l2_plane - plane info for multi-planar buffers 810 * @bytesused: number of bytes occupied by data in the plane (payload) 811 * @length: size of this plane (NOT the payload) in bytes 812 * @mem_offset: when memory in the associated struct v4l2_buffer is 813 * V4L2_MEMORY_MMAP, equals the offset from the start of 814 * the device memory for this plane (or is a "cookie" that 815 * should be passed to mmap() called on the video node) 816 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 817 * pointing to this plane 818 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 819 * descriptor associated with this plane 820 * @data_offset: offset in the plane to the start of data; usually 0, 821 * unless there is a header in front of the data 822 * 823 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 824 * with two planes can have one plane for Y, and another for interleaved CbCr 825 * components. Each plane can reside in a separate memory buffer, or even in 826 * a completely separate memory node (e.g. in embedded devices). 827 */ 828struct v4l2_plane { 829 __u32 bytesused; 830 __u32 length; 831 union { 832 __u32 mem_offset; 833 unsigned long userptr; 834 __s32 fd; 835 } m; 836 __u32 data_offset; 837 __u32 reserved[11]; 838}; 839 840/** 841 * struct v4l2_buffer - video buffer info 842 * @index: id number of the buffer 843 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 844 * multiplanar buffers); 845 * @bytesused: number of bytes occupied by data in the buffer (payload); 846 * unused (set to 0) for multiplanar buffers 847 * @flags: buffer informational flags 848 * @field: enum v4l2_field; field order of the image in the buffer 849 * @timestamp: frame timestamp 850 * @timecode: frame timecode 851 * @sequence: sequence count of this frame 852 * @memory: enum v4l2_memory; the method, in which the actual video data is 853 * passed 854 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 855 * offset from the start of the device memory for this plane, 856 * (or a "cookie" that should be passed to mmap() as offset) 857 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 858 * a userspace pointer pointing to this buffer 859 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 860 * a userspace file descriptor associated with this buffer 861 * @planes: for multiplanar buffers; userspace pointer to the array of plane 862 * info structs for this buffer 863 * @length: size in bytes of the buffer (NOT its payload) for single-plane 864 * buffers (when type != *_MPLANE); number of elements in the 865 * planes array for multi-plane buffers 866 * @config_store: this buffer should use this configuration store 867 * 868 * Contains data exchanged by application and driver using one of the Streaming 869 * I/O methods. 870 */ 871struct v4l2_buffer { 872 __u32 index; 873 __u32 type; 874 __u32 bytesused; 875 __u32 flags; 876 __u32 field; 877 struct timeval timestamp; 878 struct v4l2_timecode timecode; 879 __u32 sequence; 880 881 /* memory location */ 882 __u32 memory; 883 union { 884 __u32 offset; 885 unsigned long userptr; 886 struct v4l2_plane *planes; 887 __s32 fd; 888 } m; 889 __u32 length; 890 __u32 config_store; 891 __u32 reserved; 892}; 893 894/* Flags for 'flags' field */ 895/* Buffer is mapped (flag) */ 896#define V4L2_BUF_FLAG_MAPPED 0x00000001 897/* Buffer is queued for processing */ 898#define V4L2_BUF_FLAG_QUEUED 0x00000002 899/* Buffer is ready */ 900#define V4L2_BUF_FLAG_DONE 0x00000004 901/* Image is a keyframe (I-frame) */ 902#define V4L2_BUF_FLAG_KEYFRAME 0x00000008 903/* Image is a P-frame */ 904#define V4L2_BUF_FLAG_PFRAME 0x00000010 905/* Image is a B-frame */ 906#define V4L2_BUF_FLAG_BFRAME 0x00000020 907/* Buffer is ready, but the data contained within is corrupted. */ 908#define V4L2_BUF_FLAG_ERROR 0x00000040 909/* timecode field is valid */ 910#define V4L2_BUF_FLAG_TIMECODE 0x00000100 911/* Buffer is prepared for queuing */ 912#define V4L2_BUF_FLAG_PREPARED 0x00000400 913/* Cache handling flags */ 914#define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 915#define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 916/* Timestamp type */ 917#define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 918#define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 919#define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 920#define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 921/* Timestamp sources. */ 922#define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 923#define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 924#define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 925/* mem2mem encoder/decoder */ 926#define V4L2_BUF_FLAG_LAST 0x00100000 927 928/** 929 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 930 * 931 * @index: id number of the buffer 932 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 933 * multiplanar buffers); 934 * @plane: index of the plane to be exported, 0 for single plane queues 935 * @flags: flags for newly created file, currently only O_CLOEXEC is 936 * supported, refer to manual of open syscall for more details 937 * @fd: file descriptor associated with DMABUF (set by driver) 938 * 939 * Contains data used for exporting a video buffer as DMABUF file descriptor. 940 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 941 * (identical to the cookie used to mmap() the buffer to userspace). All 942 * reserved fields must be set to zero. The field reserved0 is expected to 943 * become a structure 'type' allowing an alternative layout of the structure 944 * content. Therefore this field should not be used for any other extensions. 945 */ 946struct v4l2_exportbuffer { 947 __u32 type; /* enum v4l2_buf_type */ 948 __u32 index; 949 __u32 plane; 950 __u32 flags; 951 __s32 fd; 952 __u32 reserved[11]; 953}; 954 955/* 956 * O V E R L A Y P R E V I E W 957 */ 958struct v4l2_framebuffer { 959 __u32 capability; 960 __u32 flags; 961/* FIXME: in theory we should pass something like PCI device + memory 962 * region + offset instead of some physical address */ 963 void *base; 964 struct { 965 __u32 width; 966 __u32 height; 967 __u32 pixelformat; 968 __u32 field; /* enum v4l2_field */ 969 __u32 bytesperline; /* for padding, zero if unused */ 970 __u32 sizeimage; 971 __u32 colorspace; /* enum v4l2_colorspace */ 972 __u32 priv; /* reserved field, set to 0 */ 973 } fmt; 974}; 975/* Flags for the 'capability' field. Read only */ 976#define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 977#define V4L2_FBUF_CAP_CHROMAKEY 0x0002 978#define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 979#define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 980#define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 981#define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 982#define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 983#define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 984/* Flags for the 'flags' field. */ 985#define V4L2_FBUF_FLAG_PRIMARY 0x0001 986#define V4L2_FBUF_FLAG_OVERLAY 0x0002 987#define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 988#define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 989#define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 990#define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 991#define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 992 993struct v4l2_clip { 994 struct v4l2_rect c; 995 struct v4l2_clip __user *next; 996}; 997 998struct v4l2_window { 999 struct v4l2_rect w; 1000 __u32 field; /* enum v4l2_field */ 1001 __u32 chromakey; 1002 struct v4l2_clip __user *clips; 1003 __u32 clipcount; 1004 void __user *bitmap; 1005 __u8 global_alpha; 1006}; 1007 1008/* 1009 * C A P T U R E P A R A M E T E R S 1010 */ 1011struct v4l2_captureparm { 1012 __u32 capability; /* Supported modes */ 1013 __u32 capturemode; /* Current mode */ 1014 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1015 __u32 extendedmode; /* Driver-specific extensions */ 1016 __u32 readbuffers; /* # of buffers for read */ 1017 __u32 reserved[4]; 1018}; 1019 1020/* Flags for 'capability' and 'capturemode' fields */ 1021#define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 1022#define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 1023 1024struct v4l2_outputparm { 1025 __u32 capability; /* Supported modes */ 1026 __u32 outputmode; /* Current mode */ 1027 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1028 __u32 extendedmode; /* Driver-specific extensions */ 1029 __u32 writebuffers; /* # of buffers for write */ 1030 __u32 reserved[4]; 1031}; 1032 1033/* 1034 * I N P U T I M A G E C R O P P I N G 1035 */ 1036struct v4l2_cropcap { 1037 __u32 type; /* enum v4l2_buf_type */ 1038 struct v4l2_rect bounds; 1039 struct v4l2_rect defrect; 1040 struct v4l2_fract pixelaspect; 1041}; 1042 1043struct v4l2_crop { 1044 __u32 type; /* enum v4l2_buf_type */ 1045 struct v4l2_rect c; 1046}; 1047 1048/** 1049 * struct v4l2_selection - selection info 1050 * @type: buffer type (do not use *_MPLANE types) 1051 * @target: Selection target, used to choose one of possible rectangles; 1052 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 1053 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 1054 * @r: coordinates of selection window 1055 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 1056 * 1057 * Hardware may use multiple helper windows to process a video stream. 1058 * The structure is used to exchange this selection areas between 1059 * an application and a driver. 1060 */ 1061struct v4l2_selection { 1062 __u32 type; 1063 __u32 target; 1064 __u32 flags; 1065 struct v4l2_rect r; 1066 __u32 reserved[9]; 1067}; 1068 1069 1070/* 1071 * A N A L O G V I D E O S T A N D A R D 1072 */ 1073 1074typedef __u64 v4l2_std_id; 1075 1076/* one bit for each */ 1077#define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 1078#define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 1079#define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 1080#define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 1081#define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 1082#define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 1083#define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 1084#define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 1085 1086#define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 1087#define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 1088#define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 1089#define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 1090 1091#define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 1092#define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 1093#define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 1094#define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 1095 1096#define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 1097#define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 1098#define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 1099#define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 1100#define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 1101#define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 1102#define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 1103#define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 1104 1105/* ATSC/HDTV */ 1106#define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 1107#define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 1108 1109/* FIXME: 1110 Although std_id is 64 bits, there is an issue on PPC32 architecture that 1111 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 1112 this value to 32 bits. 1113 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 1114 it should work fine. However, if needed to add more than two standards, 1115 v4l2-common.c should be fixed. 1116 */ 1117 1118/* 1119 * Some macros to merge video standards in order to make live easier for the 1120 * drivers and V4L2 applications 1121 */ 1122 1123/* 1124 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 1125 * Missing here. 1126 */ 1127#define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 1128 V4L2_STD_NTSC_M_JP |\ 1129 V4L2_STD_NTSC_M_KR) 1130/* Secam macros */ 1131#define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 1132 V4L2_STD_SECAM_K |\ 1133 V4L2_STD_SECAM_K1) 1134/* All Secam Standards */ 1135#define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 1136 V4L2_STD_SECAM_G |\ 1137 V4L2_STD_SECAM_H |\ 1138 V4L2_STD_SECAM_DK |\ 1139 V4L2_STD_SECAM_L |\ 1140 V4L2_STD_SECAM_LC) 1141/* PAL macros */ 1142#define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 1143 V4L2_STD_PAL_B1 |\ 1144 V4L2_STD_PAL_G) 1145#define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1146 V4L2_STD_PAL_D1 |\ 1147 V4L2_STD_PAL_K) 1148/* 1149 * "Common" PAL - This macro is there to be compatible with the old 1150 * V4L1 concept of "PAL": /BGDKHI. 1151 * Several PAL standards are missing here: /M, /N and /Nc 1152 */ 1153#define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1154 V4L2_STD_PAL_DK |\ 1155 V4L2_STD_PAL_H |\ 1156 V4L2_STD_PAL_I) 1157/* Chroma "agnostic" standards */ 1158#define V4L2_STD_B (V4L2_STD_PAL_B |\ 1159 V4L2_STD_PAL_B1 |\ 1160 V4L2_STD_SECAM_B) 1161#define V4L2_STD_G (V4L2_STD_PAL_G |\ 1162 V4L2_STD_SECAM_G) 1163#define V4L2_STD_H (V4L2_STD_PAL_H |\ 1164 V4L2_STD_SECAM_H) 1165#define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1166 V4L2_STD_SECAM_LC) 1167#define V4L2_STD_GH (V4L2_STD_G |\ 1168 V4L2_STD_H) 1169#define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1170 V4L2_STD_SECAM_DK) 1171#define V4L2_STD_BG (V4L2_STD_B |\ 1172 V4L2_STD_G) 1173#define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1174 V4L2_STD_PAL_N |\ 1175 V4L2_STD_PAL_Nc |\ 1176 V4L2_STD_NTSC) 1177 1178/* Standards where MTS/BTSC stereo could be found */ 1179#define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1180 V4L2_STD_PAL_M |\ 1181 V4L2_STD_PAL_N |\ 1182 V4L2_STD_PAL_Nc) 1183 1184/* Standards for Countries with 60Hz Line frequency */ 1185#define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1186 V4L2_STD_PAL_60 |\ 1187 V4L2_STD_NTSC |\ 1188 V4L2_STD_NTSC_443) 1189/* Standards for Countries with 50Hz Line frequency */ 1190#define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1191 V4L2_STD_PAL_N |\ 1192 V4L2_STD_PAL_Nc |\ 1193 V4L2_STD_SECAM) 1194 1195#define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1196 V4L2_STD_ATSC_16_VSB) 1197/* Macros with none and all analog standards */ 1198#define V4L2_STD_UNKNOWN 0 1199#define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1200 V4L2_STD_625_50) 1201 1202struct v4l2_standard { 1203 __u32 index; 1204 v4l2_std_id id; 1205 __u8 name[24]; 1206 struct v4l2_fract frameperiod; /* Frames, not fields */ 1207 __u32 framelines; 1208 __u32 reserved[4]; 1209}; 1210 1211/* 1212 * D V B T T I M I N G S 1213 */ 1214 1215/** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1216 * @width: total width of the active video in pixels 1217 * @height: total height of the active video in lines 1218 * @interlaced: Interlaced or progressive 1219 * @polarities: Positive or negative polarities 1220 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1221 * @hfrontporch:Horizontal front porch in pixels 1222 * @hsync: Horizontal Sync length in pixels 1223 * @hbackporch: Horizontal back porch in pixels 1224 * @vfrontporch:Vertical front porch in lines 1225 * @vsync: Vertical Sync length in lines 1226 * @vbackporch: Vertical back porch in lines 1227 * @il_vfrontporch:Vertical front porch for the even field 1228 * (aka field 2) of interlaced field formats 1229 * @il_vsync: Vertical Sync length for the even field 1230 * (aka field 2) of interlaced field formats 1231 * @il_vbackporch:Vertical back porch for the even field 1232 * (aka field 2) of interlaced field formats 1233 * @standards: Standards the timing belongs to 1234 * @flags: Flags 1235 * @reserved: Reserved fields, must be zeroed. 1236 * 1237 * A note regarding vertical interlaced timings: height refers to the total 1238 * height of the active video frame (= two fields). The blanking timings refer 1239 * to the blanking of each field. So the height of the total frame is 1240 * calculated as follows: 1241 * 1242 * tot_height = height + vfrontporch + vsync + vbackporch + 1243 * il_vfrontporch + il_vsync + il_vbackporch 1244 * 1245 * The active height of each field is height / 2. 1246 */ 1247struct v4l2_bt_timings { 1248 __u32 width; 1249 __u32 height; 1250 __u32 interlaced; 1251 __u32 polarities; 1252 __u64 pixelclock; 1253 __u32 hfrontporch; 1254 __u32 hsync; 1255 __u32 hbackporch; 1256 __u32 vfrontporch; 1257 __u32 vsync; 1258 __u32 vbackporch; 1259 __u32 il_vfrontporch; 1260 __u32 il_vsync; 1261 __u32 il_vbackporch; 1262 __u32 standards; 1263 __u32 flags; 1264 __u32 reserved[14]; 1265} __attribute__ ((packed)); 1266 1267/* Interlaced or progressive format */ 1268#define V4L2_DV_PROGRESSIVE 0 1269#define V4L2_DV_INTERLACED 1 1270 1271/* Polarities. If bit is not set, it is assumed to be negative polarity */ 1272#define V4L2_DV_VSYNC_POS_POL 0x00000001 1273#define V4L2_DV_HSYNC_POS_POL 0x00000002 1274 1275/* Timings standards */ 1276#define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1277#define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1278#define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1279#define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1280 1281/* Flags */ 1282 1283/* CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1284 GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1285 intervals are reduced, allowing a higher resolution over the same 1286 bandwidth. This is a read-only flag. */ 1287#define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1288/* CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1289 of six. These formats can be optionally played at 1 / 1.001 speed. 1290 This is a read-only flag. */ 1291#define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1292/* CEA-861 specific: only valid for video transmitters, the flag is cleared 1293 by receivers. 1294 If the framerate of the format is a multiple of six, then the pixelclock 1295 used to set up the transmitter is divided by 1.001 to make it compatible 1296 with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1297 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1298 such frequencies, then the flag will also be cleared. */ 1299#define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1300/* Specific to interlaced formats: if set, then field 1 is really one half-line 1301 longer and field 2 is really one half-line shorter, so each field has 1302 exactly the same number of half-lines. Whether half-lines can be detected 1303 or used depends on the hardware. */ 1304#define V4L2_DV_FL_HALF_LINE (1 << 3) 1305/* If set, then this is a Consumer Electronics (CE) video format. Such formats 1306 * differ from other formats (commonly called IT formats) in that if RGB 1307 * encoding is used then by default the RGB values use limited range (i.e. 1308 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861 1309 * except for the 640x480 format are CE formats. */ 1310#define V4L2_DV_FL_IS_CE_VIDEO (1 << 4) 1311 1312/* A few useful defines to calculate the total blanking and frame sizes */ 1313#define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1314 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1315#define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1316 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1317#define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1318 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1319 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) 1320#define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1321 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1322 1323/** struct v4l2_dv_timings - DV timings 1324 * @type: the type of the timings 1325 * @bt: BT656/1120 timings 1326 */ 1327struct v4l2_dv_timings { 1328 __u32 type; 1329 union { 1330 struct v4l2_bt_timings bt; 1331 __u32 reserved[32]; 1332 }; 1333} __attribute__ ((packed)); 1334 1335/* Values for the type field */ 1336#define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1337 1338 1339/** struct v4l2_enum_dv_timings - DV timings enumeration 1340 * @index: enumeration index 1341 * @pad: the pad number for which to enumerate timings (used with 1342 * v4l-subdev nodes only) 1343 * @reserved: must be zeroed 1344 * @timings: the timings for the given index 1345 */ 1346struct v4l2_enum_dv_timings { 1347 __u32 index; 1348 __u32 pad; 1349 __u32 reserved[2]; 1350 struct v4l2_dv_timings timings; 1351}; 1352 1353/** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1354 * @min_width: width in pixels 1355 * @max_width: width in pixels 1356 * @min_height: height in lines 1357 * @max_height: height in lines 1358 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1359 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1360 * @standards: Supported standards 1361 * @capabilities: Supported capabilities 1362 * @reserved: Must be zeroed 1363 */ 1364struct v4l2_bt_timings_cap { 1365 __u32 min_width; 1366 __u32 max_width; 1367 __u32 min_height; 1368 __u32 max_height; 1369 __u64 min_pixelclock; 1370 __u64 max_pixelclock; 1371 __u32 standards; 1372 __u32 capabilities; 1373 __u32 reserved[16]; 1374} __attribute__ ((packed)); 1375 1376/* Supports interlaced formats */ 1377#define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1378/* Supports progressive formats */ 1379#define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1380/* Supports CVT/GTF reduced blanking */ 1381#define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1382/* Supports custom formats */ 1383#define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1384 1385/** struct v4l2_dv_timings_cap - DV timings capabilities 1386 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1387 * @pad: the pad number for which to query capabilities (used with 1388 * v4l-subdev nodes only) 1389 * @bt: the BT656/1120 timings capabilities 1390 */ 1391struct v4l2_dv_timings_cap { 1392 __u32 type; 1393 __u32 pad; 1394 __u32 reserved[2]; 1395 union { 1396 struct v4l2_bt_timings_cap bt; 1397 __u32 raw_data[32]; 1398 }; 1399}; 1400 1401 1402/* 1403 * V I D E O I N P U T S 1404 */ 1405struct v4l2_input { 1406 __u32 index; /* Which input */ 1407 __u8 name[32]; /* Label */ 1408 __u32 type; /* Type of input */ 1409 __u32 audioset; /* Associated audios (bitfield) */ 1410 __u32 tuner; /* enum v4l2_tuner_type */ 1411 v4l2_std_id std; 1412 __u32 status; 1413 __u32 capabilities; 1414 __u32 reserved[3]; 1415}; 1416 1417/* Values for the 'type' field */ 1418#define V4L2_INPUT_TYPE_TUNER 1 1419#define V4L2_INPUT_TYPE_CAMERA 2 1420 1421/* field 'status' - general */ 1422#define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1423#define V4L2_IN_ST_NO_SIGNAL 0x00000002 1424#define V4L2_IN_ST_NO_COLOR 0x00000004 1425 1426/* field 'status' - sensor orientation */ 1427/* If sensor is mounted upside down set both bits */ 1428#define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1429#define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1430 1431/* field 'status' - analog */ 1432#define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1433#define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1434 1435/* field 'status' - digital */ 1436#define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1437#define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1438#define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1439 1440/* field 'status' - VCR and set-top box */ 1441#define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1442#define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1443#define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1444 1445/* capabilities flags */ 1446#define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1447#define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1448#define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1449#define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1450 1451/* 1452 * V I D E O O U T P U T S 1453 */ 1454struct v4l2_output { 1455 __u32 index; /* Which output */ 1456 __u8 name[32]; /* Label */ 1457 __u32 type; /* Type of output */ 1458 __u32 audioset; /* Associated audios (bitfield) */ 1459 __u32 modulator; /* Associated modulator */ 1460 v4l2_std_id std; 1461 __u32 capabilities; 1462 __u32 reserved[3]; 1463}; 1464/* Values for the 'type' field */ 1465#define V4L2_OUTPUT_TYPE_MODULATOR 1 1466#define V4L2_OUTPUT_TYPE_ANALOG 2 1467#define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1468 1469/* capabilities flags */ 1470#define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1471#define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1472#define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1473#define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1474 1475/* 1476 * C O N T R O L S 1477 */ 1478struct v4l2_control { 1479 __u32 id; 1480 __s32 value; 1481}; 1482 1483struct v4l2_ext_control { 1484 __u32 id; 1485 __u32 size; 1486 __u32 reserved2[1]; 1487 union { 1488 __s32 value; 1489 __s64 value64; 1490 char __user *string; 1491 __u8 __user *p_u8; 1492 __u16 __user *p_u16; 1493 __u32 __user *p_u32; 1494 struct v4l2_ctrl_h264_sps __user *p_h264_sps; 1495 struct v4l2_ctrl_h264_pps __user *p_h264_pps; 1496 struct v4l2_ctrl_h264_scaling_matrix __user *p_h264_scal_mtrx; 1497 struct v4l2_ctrl_h264_slice_param __user *p_h264_slice_param; 1498 struct v4l2_ctrl_h264_decode_param __user *p_h264_decode_param; 1499 struct v4l2_ctrl_vp8_frame_hdr __user *p_vp8_frame_hdr; 1500 struct v4l2_ctrl_vp9_frame_hdr __user *p_vp9_frame_hdr; 1501 struct v4l2_ctrl_vp9_decode_param __user *p_vp9_decode_param; 1502 struct v4l2_ctrl_vp9_entropy __user *p_vp9_entropy; 1503 void __user *ptr; 1504 }; 1505} __attribute__ ((packed)); 1506 1507struct v4l2_ext_controls { 1508 union { 1509 __u32 ctrl_class; 1510 __u32 config_store; 1511 }; 1512 __u32 count; 1513 __u32 error_idx; 1514 __u32 reserved[2]; 1515 struct v4l2_ext_control *controls; 1516}; 1517 1518#define V4L2_CTRL_ID_MASK (0x0fffffff) 1519#define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1520#define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1521#define V4L2_CTRL_MAX_DIMS (4) 1522 1523enum v4l2_ctrl_type { 1524 V4L2_CTRL_TYPE_INTEGER = 1, 1525 V4L2_CTRL_TYPE_BOOLEAN = 2, 1526 V4L2_CTRL_TYPE_MENU = 3, 1527 V4L2_CTRL_TYPE_BUTTON = 4, 1528 V4L2_CTRL_TYPE_INTEGER64 = 5, 1529 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1530 V4L2_CTRL_TYPE_STRING = 7, 1531 V4L2_CTRL_TYPE_BITMASK = 8, 1532 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1533 1534 /* Compound types are >= 0x0100 */ 1535 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1536 V4L2_CTRL_TYPE_U8 = 0x0100, 1537 V4L2_CTRL_TYPE_U16 = 0x0101, 1538 V4L2_CTRL_TYPE_U32 = 0x0102, 1539 V4L2_CTRL_TYPE_H264_SPS = 0x0103, 1540 V4L2_CTRL_TYPE_H264_PPS = 0x0104, 1541 V4L2_CTRL_TYPE_H264_SCALING_MATRIX = 0x0105, 1542 V4L2_CTRL_TYPE_H264_SLICE_PARAM = 0x0106, 1543 V4L2_CTRL_TYPE_H264_DECODE_PARAM = 0x0107, 1544 V4L2_CTRL_TYPE_VP8_FRAME_HDR = 0x108, 1545 V4L2_CTRL_TYPE_VP9_FRAME_HDR = 0x109, 1546 V4L2_CTRL_TYPE_VP9_DECODE_PARAM = 0x110, 1547 V4L2_CTRL_TYPE_VP9_ENTROPY = 0x111, 1548 1549 V4L2_CTRL_TYPE_PRIVATE = 0xffff, 1550}; 1551 1552/* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1553struct v4l2_queryctrl { 1554 __u32 id; 1555 __u32 type; /* enum v4l2_ctrl_type */ 1556 __u8 name[32]; /* Whatever */ 1557 __s32 minimum; /* Note signedness */ 1558 __s32 maximum; 1559 __s32 step; 1560 __s32 default_value; 1561 __u32 flags; 1562 __u32 reserved[2]; 1563}; 1564 1565/* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1566struct v4l2_query_ext_ctrl { 1567 __u32 id; 1568 __u32 type; 1569 char name[32]; 1570 __s64 minimum; 1571 __s64 maximum; 1572 __u64 step; 1573 __s64 default_value; 1574 __u32 flags; 1575 __u32 elem_size; 1576 __u32 elems; 1577 __u32 nr_of_dims; 1578 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1579 __u32 reserved[32]; 1580}; 1581 1582/* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1583struct v4l2_querymenu { 1584 __u32 id; 1585 __u32 index; 1586 union { 1587 __u8 name[32]; /* Whatever */ 1588 __s64 value; 1589 }; 1590 __u32 reserved; 1591} __attribute__ ((packed)); 1592 1593/* Control flags */ 1594#define V4L2_CTRL_FLAG_DISABLED 0x0001 1595#define V4L2_CTRL_FLAG_GRABBED 0x0002 1596#define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1597#define V4L2_CTRL_FLAG_UPDATE 0x0008 1598#define V4L2_CTRL_FLAG_INACTIVE 0x0010 1599#define V4L2_CTRL_FLAG_SLIDER 0x0020 1600#define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1601#define V4L2_CTRL_FLAG_VOLATILE 0x0080 1602#define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1603#define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 1604#define V4L2_CTRL_FLAG_CAN_STORE 0x0400 1605 1606/* Query flags, to be ORed with the control ID */ 1607#define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1608#define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1609 1610/* User-class control IDs defined by V4L2 */ 1611#define V4L2_CID_MAX_CTRLS 1024 1612/* IDs reserved for driver specific controls */ 1613#define V4L2_CID_PRIVATE_BASE 0x08000000 1614 1615 1616/* 1617 * T U N I N G 1618 */ 1619struct v4l2_tuner { 1620 __u32 index; 1621 __u8 name[32]; 1622 __u32 type; /* enum v4l2_tuner_type */ 1623 __u32 capability; 1624 __u32 rangelow; 1625 __u32 rangehigh; 1626 __u32 rxsubchans; 1627 __u32 audmode; 1628 __s32 signal; 1629 __s32 afc; 1630 __u32 reserved[4]; 1631}; 1632 1633struct v4l2_modulator { 1634 __u32 index; 1635 __u8 name[32]; 1636 __u32 capability; 1637 __u32 rangelow; 1638 __u32 rangehigh; 1639 __u32 txsubchans; 1640 __u32 type; /* enum v4l2_tuner_type */ 1641 __u32 reserved[3]; 1642}; 1643 1644/* Flags for the 'capability' field */ 1645#define V4L2_TUNER_CAP_LOW 0x0001 1646#define V4L2_TUNER_CAP_NORM 0x0002 1647#define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1648#define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1649#define V4L2_TUNER_CAP_STEREO 0x0010 1650#define V4L2_TUNER_CAP_LANG2 0x0020 1651#define V4L2_TUNER_CAP_SAP 0x0020 1652#define V4L2_TUNER_CAP_LANG1 0x0040 1653#define V4L2_TUNER_CAP_RDS 0x0080 1654#define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1655#define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1656#define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1657#define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1658#define V4L2_TUNER_CAP_1HZ 0x1000 1659 1660/* Flags for the 'rxsubchans' field */ 1661#define V4L2_TUNER_SUB_MONO 0x0001 1662#define V4L2_TUNER_SUB_STEREO 0x0002 1663#define V4L2_TUNER_SUB_LANG2 0x0004 1664#define V4L2_TUNER_SUB_SAP 0x0004 1665#define V4L2_TUNER_SUB_LANG1 0x0008 1666#define V4L2_TUNER_SUB_RDS 0x0010 1667 1668/* Values for the 'audmode' field */ 1669#define V4L2_TUNER_MODE_MONO 0x0000 1670#define V4L2_TUNER_MODE_STEREO 0x0001 1671#define V4L2_TUNER_MODE_LANG2 0x0002 1672#define V4L2_TUNER_MODE_SAP 0x0002 1673#define V4L2_TUNER_MODE_LANG1 0x0003 1674#define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1675 1676struct v4l2_frequency { 1677 __u32 tuner; 1678 __u32 type; /* enum v4l2_tuner_type */ 1679 __u32 frequency; 1680 __u32 reserved[8]; 1681}; 1682 1683#define V4L2_BAND_MODULATION_VSB (1 << 1) 1684#define V4L2_BAND_MODULATION_FM (1 << 2) 1685#define V4L2_BAND_MODULATION_AM (1 << 3) 1686 1687struct v4l2_frequency_band { 1688 __u32 tuner; 1689 __u32 type; /* enum v4l2_tuner_type */ 1690 __u32 index; 1691 __u32 capability; 1692 __u32 rangelow; 1693 __u32 rangehigh; 1694 __u32 modulation; 1695 __u32 reserved[9]; 1696}; 1697 1698struct v4l2_hw_freq_seek { 1699 __u32 tuner; 1700 __u32 type; /* enum v4l2_tuner_type */ 1701 __u32 seek_upward; 1702 __u32 wrap_around; 1703 __u32 spacing; 1704 __u32 rangelow; 1705 __u32 rangehigh; 1706 __u32 reserved[5]; 1707}; 1708 1709/* 1710 * R D S 1711 */ 1712 1713struct v4l2_rds_data { 1714 __u8 lsb; 1715 __u8 msb; 1716 __u8 block; 1717} __attribute__ ((packed)); 1718 1719#define V4L2_RDS_BLOCK_MSK 0x7 1720#define V4L2_RDS_BLOCK_A 0 1721#define V4L2_RDS_BLOCK_B 1 1722#define V4L2_RDS_BLOCK_C 2 1723#define V4L2_RDS_BLOCK_D 3 1724#define V4L2_RDS_BLOCK_C_ALT 4 1725#define V4L2_RDS_BLOCK_INVALID 7 1726 1727#define V4L2_RDS_BLOCK_CORRECTED 0x40 1728#define V4L2_RDS_BLOCK_ERROR 0x80 1729 1730/* 1731 * A U D I O 1732 */ 1733struct v4l2_audio { 1734 __u32 index; 1735 __u8 name[32]; 1736 __u32 capability; 1737 __u32 mode; 1738 __u32 reserved[2]; 1739}; 1740 1741/* Flags for the 'capability' field */ 1742#define V4L2_AUDCAP_STEREO 0x00001 1743#define V4L2_AUDCAP_AVL 0x00002 1744 1745/* Flags for the 'mode' field */ 1746#define V4L2_AUDMODE_AVL 0x00001 1747 1748struct v4l2_audioout { 1749 __u32 index; 1750 __u8 name[32]; 1751 __u32 capability; 1752 __u32 mode; 1753 __u32 reserved[2]; 1754}; 1755 1756/* 1757 * M P E G S E R V I C E S 1758 * 1759 * NOTE: EXPERIMENTAL API 1760 */ 1761#if 1 1762#define V4L2_ENC_IDX_FRAME_I (0) 1763#define V4L2_ENC_IDX_FRAME_P (1) 1764#define V4L2_ENC_IDX_FRAME_B (2) 1765#define V4L2_ENC_IDX_FRAME_MASK (0xf) 1766 1767struct v4l2_enc_idx_entry { 1768 __u64 offset; 1769 __u64 pts; 1770 __u32 length; 1771 __u32 flags; 1772 __u32 reserved[2]; 1773}; 1774 1775#define V4L2_ENC_IDX_ENTRIES (64) 1776struct v4l2_enc_idx { 1777 __u32 entries; 1778 __u32 entries_cap; 1779 __u32 reserved[4]; 1780 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 1781}; 1782 1783 1784#define V4L2_ENC_CMD_START (0) 1785#define V4L2_ENC_CMD_STOP (1) 1786#define V4L2_ENC_CMD_PAUSE (2) 1787#define V4L2_ENC_CMD_RESUME (3) 1788 1789/* Flags for V4L2_ENC_CMD_STOP */ 1790#define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 1791 1792struct v4l2_encoder_cmd { 1793 __u32 cmd; 1794 __u32 flags; 1795 union { 1796 struct { 1797 __u32 data[8]; 1798 } raw; 1799 }; 1800}; 1801 1802/* Decoder commands */ 1803#define V4L2_DEC_CMD_START (0) 1804#define V4L2_DEC_CMD_STOP (1) 1805#define V4L2_DEC_CMD_PAUSE (2) 1806#define V4L2_DEC_CMD_RESUME (3) 1807 1808/* Flags for V4L2_DEC_CMD_START */ 1809#define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 1810 1811/* Flags for V4L2_DEC_CMD_PAUSE */ 1812#define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 1813 1814/* Flags for V4L2_DEC_CMD_STOP */ 1815#define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 1816#define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 1817 1818/* Play format requirements (returned by the driver): */ 1819 1820/* The decoder has no special format requirements */ 1821#define V4L2_DEC_START_FMT_NONE (0) 1822/* The decoder requires full GOPs */ 1823#define V4L2_DEC_START_FMT_GOP (1) 1824 1825/* The structure must be zeroed before use by the application 1826 This ensures it can be extended safely in the future. */ 1827struct v4l2_decoder_cmd { 1828 __u32 cmd; 1829 __u32 flags; 1830 union { 1831 struct { 1832 __u64 pts; 1833 } stop; 1834 1835 struct { 1836 /* 0 or 1000 specifies normal speed, 1837 1 specifies forward single stepping, 1838 -1 specifies backward single stepping, 1839 >1: playback at speed/1000 of the normal speed, 1840 <-1: reverse playback at (-speed/1000) of the normal speed. */ 1841 __s32 speed; 1842 __u32 format; 1843 } start; 1844 1845 struct { 1846 __u32 data[16]; 1847 } raw; 1848 }; 1849}; 1850#endif 1851 1852 1853/* 1854 * D A T A S E R V I C E S ( V B I ) 1855 * 1856 * Data services API by Michael Schimek 1857 */ 1858 1859/* Raw VBI */ 1860struct v4l2_vbi_format { 1861 __u32 sampling_rate; /* in 1 Hz */ 1862 __u32 offset; 1863 __u32 samples_per_line; 1864 __u32 sample_format; /* V4L2_PIX_FMT_* */ 1865 __s32 start[2]; 1866 __u32 count[2]; 1867 __u32 flags; /* V4L2_VBI_* */ 1868 __u32 reserved[2]; /* must be zero */ 1869}; 1870 1871/* VBI flags */ 1872#define V4L2_VBI_UNSYNC (1 << 0) 1873#define V4L2_VBI_INTERLACED (1 << 1) 1874 1875/* ITU-R start lines for each field */ 1876#define V4L2_VBI_ITU_525_F1_START (1) 1877#define V4L2_VBI_ITU_525_F2_START (264) 1878#define V4L2_VBI_ITU_625_F1_START (1) 1879#define V4L2_VBI_ITU_625_F2_START (314) 1880 1881/* Sliced VBI 1882 * 1883 * This implements is a proposal V4L2 API to allow SLICED VBI 1884 * required for some hardware encoders. It should change without 1885 * notice in the definitive implementation. 1886 */ 1887 1888struct v4l2_sliced_vbi_format { 1889 __u16 service_set; 1890 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1891 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1892 (equals frame lines 313-336 for 625 line video 1893 standards, 263-286 for 525 line standards) */ 1894 __u16 service_lines[2][24]; 1895 __u32 io_size; 1896 __u32 reserved[2]; /* must be zero */ 1897}; 1898 1899/* Teletext World System Teletext 1900 (WST), defined on ITU-R BT.653-2 */ 1901#define V4L2_SLICED_TELETEXT_B (0x0001) 1902/* Video Program System, defined on ETS 300 231*/ 1903#define V4L2_SLICED_VPS (0x0400) 1904/* Closed Caption, defined on EIA-608 */ 1905#define V4L2_SLICED_CAPTION_525 (0x1000) 1906/* Wide Screen System, defined on ITU-R BT1119.1 */ 1907#define V4L2_SLICED_WSS_625 (0x4000) 1908 1909#define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 1910#define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 1911 1912struct v4l2_sliced_vbi_cap { 1913 __u16 service_set; 1914 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1915 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1916 (equals frame lines 313-336 for 625 line video 1917 standards, 263-286 for 525 line standards) */ 1918 __u16 service_lines[2][24]; 1919 __u32 type; /* enum v4l2_buf_type */ 1920 __u32 reserved[3]; /* must be 0 */ 1921}; 1922 1923struct v4l2_sliced_vbi_data { 1924 __u32 id; 1925 __u32 field; /* 0: first field, 1: second field */ 1926 __u32 line; /* 1-23 */ 1927 __u32 reserved; /* must be 0 */ 1928 __u8 data[48]; 1929}; 1930 1931/* 1932 * Sliced VBI data inserted into MPEG Streams 1933 */ 1934 1935/* 1936 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 1937 * 1938 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 1939 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 1940 * data 1941 * 1942 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 1943 * definitions are not included here. See the MPEG-2 specifications for details 1944 * on these headers. 1945 */ 1946 1947/* Line type IDs */ 1948#define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 1949#define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 1950#define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 1951#define V4L2_MPEG_VBI_IVTV_VPS (7) 1952 1953struct v4l2_mpeg_vbi_itv0_line { 1954 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 1955 __u8 data[42]; /* Sliced VBI data for the line */ 1956} __attribute__ ((packed)); 1957 1958struct v4l2_mpeg_vbi_itv0 { 1959 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 1960 struct v4l2_mpeg_vbi_itv0_line line[35]; 1961} __attribute__ ((packed)); 1962 1963struct v4l2_mpeg_vbi_ITV0 { 1964 struct v4l2_mpeg_vbi_itv0_line line[36]; 1965} __attribute__ ((packed)); 1966 1967#define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 1968#define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 1969 1970struct v4l2_mpeg_vbi_fmt_ivtv { 1971 __u8 magic[4]; 1972 union { 1973 struct v4l2_mpeg_vbi_itv0 itv0; 1974 struct v4l2_mpeg_vbi_ITV0 ITV0; 1975 }; 1976} __attribute__ ((packed)); 1977 1978/* 1979 * A G G R E G A T E S T R U C T U R E S 1980 */ 1981 1982/** 1983 * struct v4l2_plane_pix_format - additional, per-plane format definition 1984 * @sizeimage: maximum size in bytes required for data, for which 1985 * this plane will be used 1986 * @bytesperline: distance in bytes between the leftmost pixels in two 1987 * adjacent lines 1988 */ 1989struct v4l2_plane_pix_format { 1990 __u32 sizeimage; 1991 __u32 bytesperline; 1992 __u16 reserved[6]; 1993} __attribute__ ((packed)); 1994 1995/** 1996 * struct v4l2_pix_format_mplane - multiplanar format definition 1997 * @width: image width in pixels 1998 * @height: image height in pixels 1999 * @pixelformat: little endian four character code (fourcc) 2000 * @field: enum v4l2_field; field order (for interlaced video) 2001 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 2002 * @plane_fmt: per-plane information 2003 * @num_planes: number of planes for this format 2004 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 2005 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding 2006 * @quantization: enum v4l2_quantization, colorspace quantization 2007 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function 2008 */ 2009struct v4l2_pix_format_mplane { 2010 __u32 width; 2011 __u32 height; 2012 __u32 pixelformat; 2013 __u32 field; 2014 __u32 colorspace; 2015 2016 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 2017 __u8 num_planes; 2018 __u8 flags; 2019 __u8 ycbcr_enc; 2020 __u8 quantization; 2021 __u8 xfer_func; 2022 __u8 reserved[7]; 2023} __attribute__ ((packed)); 2024 2025/** 2026 * struct v4l2_sdr_format - SDR format definition 2027 * @pixelformat: little endian four character code (fourcc) 2028 * @buffersize: maximum size in bytes required for data 2029 */ 2030struct v4l2_sdr_format { 2031 __u32 pixelformat; 2032 __u32 buffersize; 2033 __u8 reserved[24]; 2034} __attribute__ ((packed)); 2035 2036/** 2037 * struct v4l2_format - stream data format 2038 * @type: enum v4l2_buf_type; type of the data stream 2039 * @pix: definition of an image format 2040 * @pix_mp: definition of a multiplanar image format 2041 * @win: definition of an overlaid image 2042 * @vbi: raw VBI capture or output parameters 2043 * @sliced: sliced VBI capture or output parameters 2044 * @raw_data: placeholder for future extensions and custom formats 2045 */ 2046struct v4l2_format { 2047 __u32 type; 2048 union { 2049 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 2050 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 2051 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 2052 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 2053 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 2054 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 2055 __u8 raw_data[200]; /* user-defined */ 2056 } fmt; 2057}; 2058 2059/* Stream type-dependent parameters 2060 */ 2061struct v4l2_streamparm { 2062 __u32 type; /* enum v4l2_buf_type */ 2063 union { 2064 struct v4l2_captureparm capture; 2065 struct v4l2_outputparm output; 2066 __u8 raw_data[200]; /* user-defined */ 2067 } parm; 2068}; 2069 2070/* 2071 * E V E N T S 2072 */ 2073 2074#define V4L2_EVENT_ALL 0 2075#define V4L2_EVENT_VSYNC 1 2076#define V4L2_EVENT_EOS 2 2077#define V4L2_EVENT_CTRL 3 2078#define V4L2_EVENT_FRAME_SYNC 4 2079#define V4L2_EVENT_SOURCE_CHANGE 5 2080#define V4L2_EVENT_MOTION_DET 6 2081#define V4L2_EVENT_PRIVATE_START 0x08000000 2082 2083/* Payload for V4L2_EVENT_VSYNC */ 2084struct v4l2_event_vsync { 2085 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 2086 __u8 field; 2087} __attribute__ ((packed)); 2088 2089/* Payload for V4L2_EVENT_CTRL */ 2090#define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 2091#define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 2092#define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 2093 2094struct v4l2_event_ctrl { 2095 __u32 changes; 2096 __u32 type; 2097 union { 2098 __s32 value; 2099 __s64 value64; 2100 }; 2101 __u32 flags; 2102 __s32 minimum; 2103 __s32 maximum; 2104 __s32 step; 2105 __s32 default_value; 2106}; 2107 2108struct v4l2_event_frame_sync { 2109 __u32 frame_sequence; 2110}; 2111 2112#define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 2113 2114struct v4l2_event_src_change { 2115 __u32 changes; 2116}; 2117 2118#define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 2119 2120/** 2121 * struct v4l2_event_motion_det - motion detection event 2122 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 2123 * frame_sequence field is valid. 2124 * @frame_sequence: the frame sequence number associated with this event. 2125 * @region_mask: which regions detected motion. 2126 */ 2127struct v4l2_event_motion_det { 2128 __u32 flags; 2129 __u32 frame_sequence; 2130 __u32 region_mask; 2131}; 2132 2133struct v4l2_event { 2134 __u32 type; 2135 union { 2136 struct v4l2_event_vsync vsync; 2137 struct v4l2_event_ctrl ctrl; 2138 struct v4l2_event_frame_sync frame_sync; 2139 struct v4l2_event_src_change src_change; 2140 struct v4l2_event_motion_det motion_det; 2141 __u8 data[64]; 2142 } u; 2143 __u32 pending; 2144 __u32 sequence; 2145 struct timespec timestamp; 2146 __u32 id; 2147 __u32 reserved[8]; 2148}; 2149 2150#define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2151#define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2152 2153struct v4l2_event_subscription { 2154 __u32 type; 2155 __u32 id; 2156 __u32 flags; 2157 __u32 reserved[5]; 2158}; 2159 2160/* 2161 * A D V A N C E D D E B U G G I N G 2162 * 2163 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2164 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2165 */ 2166 2167/* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2168 2169#define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2170#define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2171 2172/* The following four defines are no longer in use */ 2173#define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2174#define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2175#define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2176#define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2177 2178struct v4l2_dbg_match { 2179 __u32 type; /* Match type */ 2180 union { /* Match this chip, meaning determined by type */ 2181 __u32 addr; 2182 char name[32]; 2183 }; 2184} __attribute__ ((packed)); 2185 2186struct v4l2_dbg_register { 2187 struct v4l2_dbg_match match; 2188 __u32 size; /* register size in bytes */ 2189 __u64 reg; 2190 __u64 val; 2191} __attribute__ ((packed)); 2192 2193#define V4L2_CHIP_FL_READABLE (1 << 0) 2194#define V4L2_CHIP_FL_WRITABLE (1 << 1) 2195 2196/* VIDIOC_DBG_G_CHIP_INFO */ 2197struct v4l2_dbg_chip_info { 2198 struct v4l2_dbg_match match; 2199 char name[32]; 2200 __u32 flags; 2201 __u32 reserved[32]; 2202} __attribute__ ((packed)); 2203 2204/** 2205 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2206 * @index: on return, index of the first created buffer 2207 * @count: entry: number of requested buffers, 2208 * return: number of created buffers 2209 * @memory: enum v4l2_memory; buffer memory type 2210 * @format: frame format, for which buffers are requested 2211 * @reserved: future extensions 2212 */ 2213struct v4l2_create_buffers { 2214 __u32 index; 2215 __u32 count; 2216 __u32 memory; 2217 struct v4l2_format format; 2218 __u32 reserved[8]; 2219}; 2220 2221/* 2222 * 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 2223 * 2224 */ 2225#define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2226#define VIDIOC_RESERVED _IO('V', 1) 2227#define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2228#define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2229#define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2230#define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2231#define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2232#define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2233#define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2234#define VIDIOC_OVERLAY _IOW('V', 14, int) 2235#define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2236#define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2237#define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2238#define VIDIOC_STREAMON _IOW('V', 18, int) 2239#define VIDIOC_STREAMOFF _IOW('V', 19, int) 2240#define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2241#define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2242#define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2243#define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2244#define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2245#define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2246#define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2247#define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2248#define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2249#define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2250#define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2251#define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2252#define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2253#define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2254#define VIDIOC_G_INPUT _IOR('V', 38, int) 2255#define VIDIOC_S_INPUT _IOWR('V', 39, int) 2256#define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2257#define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2258#define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2259#define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2260#define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2261#define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2262#define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2263#define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2264#define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2265#define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2266#define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2267#define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2268#define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2269#define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2270#define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2271#define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2272#define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2273#define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2274#define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2275#define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2276#define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2277#define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2278#define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2279#define VIDIOC_LOG_STATUS _IO('V', 70) 2280#define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2281#define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2282#define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2283#define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2284#define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2285#define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2286#define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2287#define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2288 2289/* Experimental, meant for debugging, testing and internal use. 2290 Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2291 You must be root to use these ioctls. Never use these in applications! */ 2292#define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2293#define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2294 2295#define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2296 2297#define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2298#define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2299#define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2300#define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2301#define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2302 2303/* Experimental, the below two ioctls may change over the next couple of kernel 2304 versions */ 2305#define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2306#define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2307 2308/* Experimental selection API */ 2309#define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2310#define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2311 2312/* Experimental, these two ioctls may change over the next couple of kernel 2313 versions. */ 2314#define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2315#define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2316 2317/* Experimental, these three ioctls may change over the next couple of kernel 2318 versions. */ 2319#define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2320#define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2321#define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2322 2323/* Experimental, this ioctl may change over the next couple of kernel 2324 versions. */ 2325#define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2326 2327/* Experimental, meant for debugging, testing and internal use. 2328 Never use these in applications! */ 2329#define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2330 2331#define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2332 2333/* Reminder: when adding new ioctls please add support for them to 2334 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */ 2335 2336#define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2337 2338#endif /* _UAPI__LINUX_VIDEODEV2_H */ 2339