FILE
videodev2.h
File preview with syntax highlighting.
linux-6.19.14/include/uapi/linux/videodev2.h
1/* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */ 2/* 3 * Video for Linux Two header file 4 * 5 * Copyright (C) 1999-2012 the contributors 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * Alternatively you can redistribute this file under the terms of the 18 * BSD license as stated below: 19 * 20 * Redistribution and use in source and binary forms, with or without 21 * modification, are permitted provided that the following conditions 22 * are met: 23 * 1. Redistributions of source code must retain the above copyright 24 * notice, this list of conditions and the following disclaimer. 25 * 2. Redistributions in binary form must reproduce the above copyright 26 * notice, this list of conditions and the following disclaimer in 27 * the documentation and/or other materials provided with the 28 * distribution. 29 * 3. The names of its contributors may not be used to endorse or promote 30 * products derived from this software without specific prior written 31 * permission. 32 * 33 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 34 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 35 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 36 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 37 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 38 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 39 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 40 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 41 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 42 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 43 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 44 * 45 * Header file for v4l or V4L2 drivers and applications 46 * with public API. 47 * All kernel-specific stuff were moved to media/v4l2-dev.h, so 48 * no #if __KERNEL tests are allowed here 49 * 50 * See https://linuxtv.org for more info 51 * 52 * Author: Bill Dirks <bill@thedirks.org> 53 * Justin Schoeman 54 * Hans Verkuil <hverkuil@kernel.org> 55 * et al. 56 */ 57#ifndef _UAPI__LINUX_VIDEODEV2_H 58#define _UAPI__LINUX_VIDEODEV2_H 59 60#ifndef __KERNEL__ 61#include <sys/time.h> 62#endif 63#include <linux/compiler.h> 64#include <linux/ioctl.h> 65#include <linux/types.h> 66#include <linux/v4l2-common.h> 67#include <linux/v4l2-controls.h> 68 69/* 70 * Common stuff for both V4L1 and V4L2 71 * Moved from videodev.h 72 */ 73#define VIDEO_MAX_FRAME 32 74#define VIDEO_MAX_PLANES 8 75 76/* 77 * M I S C E L L A N E O U S 78 */ 79 80/* Four-character-code (FOURCC) */ 81#define v4l2_fourcc(a, b, c, d)\ 82 ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24)) 83#define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1U << 31)) 84 85/* 86 * E N U M S 87 */ 88enum v4l2_field { 89 V4L2_FIELD_ANY = 0, /* driver can choose from none, 90 top, bottom, interlaced 91 depending on whatever it thinks 92 is approximate ... */ 93 V4L2_FIELD_NONE = 1, /* this device has no fields ... */ 94 V4L2_FIELD_TOP = 2, /* top field only */ 95 V4L2_FIELD_BOTTOM = 3, /* bottom field only */ 96 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */ 97 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one 98 buffer, top-bottom order */ 99 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */ 100 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into 101 separate buffers */ 102 V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field 103 first and the top field is 104 transmitted first */ 105 V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field 106 first and the bottom field is 107 transmitted first */ 108}; 109#define V4L2_FIELD_HAS_TOP(field) \ 110 ((field) == V4L2_FIELD_TOP ||\ 111 (field) == V4L2_FIELD_INTERLACED ||\ 112 (field) == V4L2_FIELD_INTERLACED_TB ||\ 113 (field) == V4L2_FIELD_INTERLACED_BT ||\ 114 (field) == V4L2_FIELD_SEQ_TB ||\ 115 (field) == V4L2_FIELD_SEQ_BT) 116#define V4L2_FIELD_HAS_BOTTOM(field) \ 117 ((field) == V4L2_FIELD_BOTTOM ||\ 118 (field) == V4L2_FIELD_INTERLACED ||\ 119 (field) == V4L2_FIELD_INTERLACED_TB ||\ 120 (field) == V4L2_FIELD_INTERLACED_BT ||\ 121 (field) == V4L2_FIELD_SEQ_TB ||\ 122 (field) == V4L2_FIELD_SEQ_BT) 123#define V4L2_FIELD_HAS_BOTH(field) \ 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_T_OR_B(field) \ 130 ((field) == V4L2_FIELD_BOTTOM ||\ 131 (field) == V4L2_FIELD_TOP ||\ 132 (field) == V4L2_FIELD_ALTERNATE) 133#define V4L2_FIELD_IS_INTERLACED(field) \ 134 ((field) == V4L2_FIELD_INTERLACED ||\ 135 (field) == V4L2_FIELD_INTERLACED_TB ||\ 136 (field) == V4L2_FIELD_INTERLACED_BT) 137#define V4L2_FIELD_IS_SEQUENTIAL(field) \ 138 ((field) == V4L2_FIELD_SEQ_TB ||\ 139 (field) == V4L2_FIELD_SEQ_BT) 140 141enum v4l2_buf_type { 142 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, 143 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, 144 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, 145 V4L2_BUF_TYPE_VBI_CAPTURE = 4, 146 V4L2_BUF_TYPE_VBI_OUTPUT = 5, 147 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6, 148 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7, 149 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8, 150 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9, 151 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10, 152 V4L2_BUF_TYPE_SDR_CAPTURE = 11, 153 V4L2_BUF_TYPE_SDR_OUTPUT = 12, 154 V4L2_BUF_TYPE_META_CAPTURE = 13, 155 V4L2_BUF_TYPE_META_OUTPUT = 14, 156 /* 157 * Note: V4L2_TYPE_IS_VALID and V4L2_TYPE_IS_OUTPUT must 158 * be updated if a new type is added. 159 */ 160 /* Deprecated, do not use */ 161 V4L2_BUF_TYPE_PRIVATE = 0x80, 162}; 163 164#define V4L2_TYPE_IS_VALID(type) \ 165 ((type) >= V4L2_BUF_TYPE_VIDEO_CAPTURE &&\ 166 (type) <= V4L2_BUF_TYPE_META_OUTPUT) 167 168#define V4L2_TYPE_IS_MULTIPLANAR(type) \ 169 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \ 170 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 171 172#define V4L2_TYPE_IS_OUTPUT(type) \ 173 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \ 174 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \ 175 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \ 176 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \ 177 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \ 178 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT \ 179 || (type) == V4L2_BUF_TYPE_META_OUTPUT) 180 181#define V4L2_TYPE_IS_CAPTURE(type) \ 182 (V4L2_TYPE_IS_VALID(type) && !V4L2_TYPE_IS_OUTPUT(type)) 183 184enum v4l2_tuner_type { 185 V4L2_TUNER_RADIO = 1, 186 V4L2_TUNER_ANALOG_TV = 2, 187 V4L2_TUNER_DIGITAL_TV = 3, 188 V4L2_TUNER_SDR = 4, 189 V4L2_TUNER_RF = 5, 190}; 191 192/* Deprecated, do not use */ 193#define V4L2_TUNER_ADC V4L2_TUNER_SDR 194 195enum v4l2_memory { 196 V4L2_MEMORY_MMAP = 1, 197 V4L2_MEMORY_USERPTR = 2, 198 V4L2_MEMORY_OVERLAY = 3, 199 V4L2_MEMORY_DMABUF = 4, 200}; 201 202/* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 203enum v4l2_colorspace { 204 /* 205 * Default colorspace, i.e. let the driver figure it out. 206 * Can only be used with video capture. 207 */ 208 V4L2_COLORSPACE_DEFAULT = 0, 209 210 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */ 211 V4L2_COLORSPACE_SMPTE170M = 1, 212 213 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */ 214 V4L2_COLORSPACE_SMPTE240M = 2, 215 216 /* Rec.709: used for HDTV */ 217 V4L2_COLORSPACE_REC709 = 3, 218 219 /* 220 * Deprecated, do not use. No driver will ever return this. This was 221 * based on a misunderstanding of the bt878 datasheet. 222 */ 223 V4L2_COLORSPACE_BT878 = 4, 224 225 /* 226 * NTSC 1953 colorspace. This only makes sense when dealing with 227 * really, really old NTSC recordings. Superseded by SMPTE 170M. 228 */ 229 V4L2_COLORSPACE_470_SYSTEM_M = 5, 230 231 /* 232 * EBU Tech 3213 PAL/SECAM colorspace. 233 */ 234 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 235 236 /* 237 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601 238 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG. 239 */ 240 V4L2_COLORSPACE_JPEG = 7, 241 242 /* For RGB colorspaces such as produces by most webcams. */ 243 V4L2_COLORSPACE_SRGB = 8, 244 245 /* opRGB colorspace */ 246 V4L2_COLORSPACE_OPRGB = 9, 247 248 /* BT.2020 colorspace, used for UHDTV. */ 249 V4L2_COLORSPACE_BT2020 = 10, 250 251 /* Raw colorspace: for RAW unprocessed images */ 252 V4L2_COLORSPACE_RAW = 11, 253 254 /* DCI-P3 colorspace, used by cinema projectors */ 255 V4L2_COLORSPACE_DCI_P3 = 12, 256 257#ifdef __KERNEL__ 258 /* 259 * Largest supported colorspace value, assigned by the compiler, used 260 * by the framework to check for invalid values. 261 */ 262 V4L2_COLORSPACE_LAST, 263#endif 264}; 265 266/* 267 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace. 268 * This depends on whether this is a SDTV image (use SMPTE 170M), an 269 * HDTV image (use Rec. 709), or something else (use sRGB). 270 */ 271#define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \ 272 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \ 273 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB)) 274 275enum v4l2_xfer_func { 276 /* 277 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions 278 * for the various colorspaces: 279 * 280 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 281 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and 282 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709 283 * 284 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB 285 * 286 * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB 287 * 288 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M 289 * 290 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE 291 * 292 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3 293 */ 294 V4L2_XFER_FUNC_DEFAULT = 0, 295 V4L2_XFER_FUNC_709 = 1, 296 V4L2_XFER_FUNC_SRGB = 2, 297 V4L2_XFER_FUNC_OPRGB = 3, 298 V4L2_XFER_FUNC_SMPTE240M = 4, 299 V4L2_XFER_FUNC_NONE = 5, 300 V4L2_XFER_FUNC_DCI_P3 = 6, 301 V4L2_XFER_FUNC_SMPTE2084 = 7, 302#ifdef __KERNEL__ 303 /* 304 * Largest supported transfer function value, assigned by the compiler, 305 * used by the framework to check for invalid values. 306 */ 307 V4L2_XFER_FUNC_LAST, 308#endif 309}; 310 311/* 312 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function. 313 * This depends on the colorspace. 314 */ 315#define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \ 316 ((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \ 317 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \ 318 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \ 319 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \ 320 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \ 321 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709))))) 322 323enum v4l2_ycbcr_encoding { 324 /* 325 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the 326 * various colorspaces: 327 * 328 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 329 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB, 330 * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601 331 * 332 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709 333 * 334 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020 335 * 336 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M 337 */ 338 V4L2_YCBCR_ENC_DEFAULT = 0, 339 340 /* ITU-R 601 -- SDTV */ 341 V4L2_YCBCR_ENC_601 = 1, 342 343 /* Rec. 709 -- HDTV */ 344 V4L2_YCBCR_ENC_709 = 2, 345 346 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */ 347 V4L2_YCBCR_ENC_XV601 = 3, 348 349 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */ 350 V4L2_YCBCR_ENC_XV709 = 4, 351 352#ifndef __KERNEL__ 353 /* 354 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added 355 * originally due to a misunderstanding of the sYCC standard. It should 356 * not be used, instead use V4L2_YCBCR_ENC_601. 357 */ 358 V4L2_YCBCR_ENC_SYCC = 5, 359#endif 360 361 /* BT.2020 Non-constant Luminance Y'CbCr */ 362 V4L2_YCBCR_ENC_BT2020 = 6, 363 364 /* BT.2020 Constant Luminance Y'CbcCrc */ 365 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7, 366 367 /* SMPTE 240M -- Obsolete HDTV */ 368 V4L2_YCBCR_ENC_SMPTE240M = 8, 369#ifdef __KERNEL__ 370 /* 371 * Largest supported encoding value, assigned by the compiler, used by 372 * the framework to check for invalid values. 373 */ 374 V4L2_YCBCR_ENC_LAST, 375#endif 376}; 377 378/* 379 * enum v4l2_hsv_encoding values should not collide with the ones from 380 * enum v4l2_ycbcr_encoding. 381 */ 382enum v4l2_hsv_encoding { 383 384 /* Hue mapped to 0 - 179 */ 385 V4L2_HSV_ENC_180 = 128, 386 387 /* Hue mapped to 0-255 */ 388 V4L2_HSV_ENC_256 = 129, 389}; 390 391/* 392 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding. 393 * This depends on the colorspace. 394 */ 395#define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \ 396 (((colsp) == V4L2_COLORSPACE_REC709 || \ 397 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \ 398 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \ 399 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \ 400 V4L2_YCBCR_ENC_601))) 401 402enum v4l2_quantization { 403 /* 404 * The default for R'G'B' quantization is always full range. 405 * For Y'CbCr the quantization is always limited range, except 406 * for COLORSPACE_JPEG: this is full range. 407 */ 408 V4L2_QUANTIZATION_DEFAULT = 0, 409 V4L2_QUANTIZATION_FULL_RANGE = 1, 410 V4L2_QUANTIZATION_LIM_RANGE = 2, 411}; 412 413/* 414 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization. 415 * This depends on whether the image is RGB or not, the colorspace. 416 * The Y'CbCr encoding is not used anymore, but is still there for backwards 417 * compatibility. 418 */ 419#define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \ 420 (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \ 421 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE) 422 423/* 424 * Deprecated names for opRGB colorspace (IEC 61966-2-5) 425 * 426 * WARNING: Please don't use these deprecated defines in your code, as 427 * there is a chance we have to remove them in the future. 428 */ 429#ifndef __KERNEL__ 430#define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB 431#define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB 432#endif 433 434enum v4l2_priority { 435 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 436 V4L2_PRIORITY_BACKGROUND = 1, 437 V4L2_PRIORITY_INTERACTIVE = 2, 438 V4L2_PRIORITY_RECORD = 3, 439 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 440}; 441 442struct v4l2_rect { 443 __s32 left; 444 __s32 top; 445 __u32 width; 446 __u32 height; 447}; 448 449struct v4l2_fract { 450 __u32 numerator; 451 __u32 denominator; 452}; 453 454struct v4l2_area { 455 __u32 width; 456 __u32 height; 457}; 458 459/** 460 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 461 * 462 * @driver: name of the driver module (e.g. "bttv") 463 * @card: name of the card (e.g. "Hauppauge WinTV") 464 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 465 * @version: KERNEL_VERSION 466 * @capabilities: capabilities of the physical device as a whole 467 * @device_caps: capabilities accessed via this particular device (node) 468 * @reserved: reserved fields for future extensions 469 */ 470struct v4l2_capability { 471 __u8 driver[16]; 472 __u8 card[32]; 473 __u8 bus_info[32]; 474 __u32 version; 475 __u32 capabilities; 476 __u32 device_caps; 477 __u32 reserved[3]; 478}; 479 480/* Values for 'capabilities' field */ 481#define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 482#define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 483#define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 484#define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 485#define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 486#define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 487#define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 488#define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 489#define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 490#define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 491#define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 492 493/* Is a video capture device that supports multiplanar formats */ 494#define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 495/* Is a video output device that supports multiplanar formats */ 496#define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 497/* Is a video mem-to-mem device that supports multiplanar formats */ 498#define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 499/* Is a video mem-to-mem device */ 500#define V4L2_CAP_VIDEO_M2M 0x00008000 501 502#define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 503#define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 504#define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 505#define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 506 507#define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */ 508#define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */ 509#define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */ 510#define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */ 511 512#define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 513#define V4L2_CAP_EDID 0x02000000 /* Is an EDID-only device */ 514#define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 515#define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */ 516 517#define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */ 518 519#define V4L2_CAP_IO_MC 0x20000000 /* Is input/output controlled by the media controller */ 520 521#define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 522 523/* 524 * V I D E O I M A G E F O R M A T 525 */ 526struct v4l2_pix_format { 527 __u32 width; 528 __u32 height; 529 __u32 pixelformat; 530 __u32 field; /* enum v4l2_field */ 531 __u32 bytesperline; /* for padding, zero if unused */ 532 __u32 sizeimage; 533 __u32 colorspace; /* enum v4l2_colorspace */ 534 __u32 priv; /* private data, depends on pixelformat */ 535 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ 536 union { 537 /* enum v4l2_ycbcr_encoding */ 538 __u32 ycbcr_enc; 539 /* enum v4l2_hsv_encoding */ 540 __u32 hsv_enc; 541 }; 542 __u32 quantization; /* enum v4l2_quantization */ 543 __u32 xfer_func; /* enum v4l2_xfer_func */ 544}; 545 546/* Pixel format FOURCC depth Description */ 547 548/* RGB formats (1 or 2 bytes per pixel) */ 549#define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 550#define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 551#define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */ 552#define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */ 553#define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2') /* 16 rrrrgggg bbbbaaaa */ 554#define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16 rrrrgggg bbbbxxxx */ 555#define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16 aaaabbbb ggggrrrr */ 556#define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16 xxxxbbbb ggggrrrr */ 557#define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('G', 'A', '1', '2') /* 16 bbbbgggg rrrraaaa */ 558#define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16 bbbbgggg rrrrxxxx */ 559#define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 560#define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */ 561#define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */ 562#define V4L2_PIX_FMT_RGBA555 v4l2_fourcc('R', 'A', '1', '5') /* 16 RGBA-5-5-5-1 */ 563#define V4L2_PIX_FMT_RGBX555 v4l2_fourcc('R', 'X', '1', '5') /* 16 RGBX-5-5-5-1 */ 564#define V4L2_PIX_FMT_ABGR555 v4l2_fourcc('A', 'B', '1', '5') /* 16 ABGR-1-5-5-5 */ 565#define V4L2_PIX_FMT_XBGR555 v4l2_fourcc('X', 'B', '1', '5') /* 16 XBGR-1-5-5-5 */ 566#define V4L2_PIX_FMT_BGRA555 v4l2_fourcc('B', 'A', '1', '5') /* 16 BGRA-5-5-5-1 */ 567#define V4L2_PIX_FMT_BGRX555 v4l2_fourcc('B', 'X', '1', '5') /* 16 BGRX-5-5-5-1 */ 568#define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 569#define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 570#define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */ 571#define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */ 572#define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 573 574/* RGB formats (3 or 4 bytes per pixel) */ 575#define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 576#define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 577#define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 578#define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 579#define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */ 580#define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */ 581#define V4L2_PIX_FMT_BGRA32 v4l2_fourcc('R', 'A', '2', '4') /* 32 ABGR-8-8-8-8 */ 582#define V4L2_PIX_FMT_BGRX32 v4l2_fourcc('R', 'X', '2', '4') /* 32 XBGR-8-8-8-8 */ 583#define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 584#define V4L2_PIX_FMT_RGBA32 v4l2_fourcc('A', 'B', '2', '4') /* 32 RGBA-8-8-8-8 */ 585#define V4L2_PIX_FMT_RGBX32 v4l2_fourcc('X', 'B', '2', '4') /* 32 RGBX-8-8-8-8 */ 586#define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */ 587#define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */ 588#define V4L2_PIX_FMT_RGBX1010102 v4l2_fourcc('R', 'X', '3', '0') /* 32 RGBX-10-10-10-2 */ 589#define V4L2_PIX_FMT_RGBA1010102 v4l2_fourcc('R', 'A', '3', '0') /* 32 RGBA-10-10-10-2 */ 590#define V4L2_PIX_FMT_ARGB2101010 v4l2_fourcc('A', 'R', '3', '0') /* 32 ARGB-2-10-10-10 */ 591 592/* RGB formats (6 or 8 bytes per pixel) */ 593#define V4L2_PIX_FMT_BGR48_12 v4l2_fourcc('B', '3', '1', '2') /* 48 BGR 12-bit per component */ 594#define V4L2_PIX_FMT_BGR48 v4l2_fourcc('B', 'G', 'R', '6') /* 48 BGR 16-bit per component */ 595#define V4L2_PIX_FMT_RGB48 v4l2_fourcc('R', 'G', 'B', '6') /* 48 RGB 16-bit per component */ 596#define V4L2_PIX_FMT_ABGR64_12 v4l2_fourcc('B', '4', '1', '2') /* 64 BGRA 12-bit per component */ 597 598/* Grey formats */ 599#define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 600#define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 601#define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 602#define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 603#define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 604#define V4L2_PIX_FMT_Y012 v4l2_fourcc('Y', '0', '1', '2') /* 12 Greyscale */ 605#define V4L2_PIX_FMT_Y14 v4l2_fourcc('Y', '1', '4', ' ') /* 14 Greyscale */ 606#define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 607#define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */ 608 609/* Grey bit-packed formats */ 610#define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 611#define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */ 612#define V4L2_PIX_FMT_IPU3_Y10 v4l2_fourcc('i', 'p', '3', 'y') /* IPU3 packed 10-bit greyscale */ 613#define V4L2_PIX_FMT_Y12P v4l2_fourcc('Y', '1', '2', 'P') /* 12 Greyscale, MIPI RAW12 packed */ 614#define V4L2_PIX_FMT_Y14P v4l2_fourcc('Y', '1', '4', 'P') /* 14 Greyscale, MIPI RAW14 packed */ 615 616/* Palette formats */ 617#define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 618 619/* Chrominance formats */ 620#define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 621 622/* Luminance+Chrominance formats */ 623#define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 624#define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 625#define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 626#define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 627#define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 628#define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 629#define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 630#define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 631#define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 632#define V4L2_PIX_FMT_YUV24 v4l2_fourcc('Y', 'U', 'V', '3') /* 24 YUV-8-8-8 */ 633#define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 634#define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */ 635#define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */ 636#define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */ 637#define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */ 638#define V4L2_PIX_FMT_YUVA32 v4l2_fourcc('Y', 'U', 'V', 'A') /* 32 YUVA-8-8-8-8 */ 639#define V4L2_PIX_FMT_YUVX32 v4l2_fourcc('Y', 'U', 'V', 'X') /* 32 YUVX-8-8-8-8 */ 640#define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 641#define V4L2_PIX_FMT_YUV48_12 v4l2_fourcc('Y', '3', '1', '2') /* 48 YUV 4:4:4 12-bit per component */ 642 643/* 644 * YCbCr packed format. For each Y2xx format, xx bits of valid data occupy the MSBs 645 * of the 16 bit components, and 16-xx bits of zero padding occupy the LSBs. 646 */ 647#define V4L2_PIX_FMT_Y210 v4l2_fourcc('Y', '2', '1', '0') /* 32 YUYV 4:2:2 */ 648#define V4L2_PIX_FMT_Y212 v4l2_fourcc('Y', '2', '1', '2') /* 32 YUYV 4:2:2 */ 649#define V4L2_PIX_FMT_Y216 v4l2_fourcc('Y', '2', '1', '6') /* 32 YUYV 4:2:2 */ 650 651/* two planes -- one Y, one Cr + Cb interleaved */ 652#define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 653#define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 654#define V4L2_PIX_FMT_NV15 v4l2_fourcc('N', 'V', '1', '5') /* 15 Y/CbCr 4:2:0 10-bit packed */ 655#define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 656#define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 657#define V4L2_PIX_FMT_NV20 v4l2_fourcc('N', 'V', '2', '0') /* 20 Y/CbCr 4:2:2 10-bit packed */ 658#define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 659#define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 660#define V4L2_PIX_FMT_P010 v4l2_fourcc('P', '0', '1', '0') /* 24 Y/CbCr 4:2:0 10-bit per component */ 661#define V4L2_PIX_FMT_P012 v4l2_fourcc('P', '0', '1', '2') /* 24 Y/CbCr 4:2:0 12-bit per component */ 662 663/* two non contiguous planes - one Y, one Cr + Cb interleaved */ 664#define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 665#define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 666#define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ 667#define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ 668#define V4L2_PIX_FMT_P012M v4l2_fourcc('P', 'M', '1', '2') /* 24 Y/CbCr 4:2:0 12-bit per component */ 669 670/* three planes - Y Cb, Cr */ 671#define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 672#define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 673#define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */ 674#define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 675#define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 676#define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 677 678/* three non contiguous planes - Y, Cb, Cr */ 679#define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 680#define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 681#define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */ 682#define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */ 683#define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */ 684#define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */ 685 686/* Tiled YUV formats */ 687#define V4L2_PIX_FMT_NV12_4L4 v4l2_fourcc('V', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 4x4 tiles */ 688#define V4L2_PIX_FMT_NV12_16L16 v4l2_fourcc('H', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */ 689#define V4L2_PIX_FMT_NV12_32L32 v4l2_fourcc('S', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 32x32 tiles */ 690#define V4L2_PIX_FMT_NV15_4L4 v4l2_fourcc('V', 'T', '1', '5') /* 15 Y/CbCr 4:2:0 10-bit 4x4 tiles */ 691#define V4L2_PIX_FMT_P010_4L4 v4l2_fourcc('T', '0', '1', '0') /* 12 Y/CbCr 4:2:0 10-bit 4x4 macroblocks */ 692#define V4L2_PIX_FMT_NV12_8L128 v4l2_fourcc('A', 'T', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */ 693#define V4L2_PIX_FMT_NV12_10BE_8L128 v4l2_fourcc_be('A', 'X', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */ 694 695/* Tiled YUV formats, non contiguous planes */ 696#define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 tiles */ 697#define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */ 698#define V4L2_PIX_FMT_NV12M_8L128 v4l2_fourcc('N', 'A', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */ 699#define V4L2_PIX_FMT_NV12M_10BE_8L128 v4l2_fourcc_be('N', 'T', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */ 700 701/* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 702#define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 703#define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 704#define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 705#define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 706#define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 707#define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 708#define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 709#define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 710 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ 711#define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') 712#define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') 713#define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') 714#define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') 715 /* 10bit raw bayer a-law compressed to 8 bits */ 716#define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 717#define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 718#define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 719#define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 720 /* 10bit raw bayer DPCM compressed to 8 bits */ 721#define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 722#define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 723#define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 724#define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 725#define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 726#define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 727#define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 728#define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 729 /* 12bit raw bayer packed, 3 bytes for every 2 pixels */ 730#define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C') 731#define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C') 732#define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C') 733#define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C') 734#define V4L2_PIX_FMT_SBGGR14 v4l2_fourcc('B', 'G', '1', '4') /* 14 BGBG.. GRGR.. */ 735#define V4L2_PIX_FMT_SGBRG14 v4l2_fourcc('G', 'B', '1', '4') /* 14 GBGB.. RGRG.. */ 736#define V4L2_PIX_FMT_SGRBG14 v4l2_fourcc('G', 'R', '1', '4') /* 14 GRGR.. BGBG.. */ 737#define V4L2_PIX_FMT_SRGGB14 v4l2_fourcc('R', 'G', '1', '4') /* 14 RGRG.. GBGB.. */ 738 /* 14bit raw bayer packed, 7 bytes for every 4 pixels */ 739#define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E') 740#define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E') 741#define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E') 742#define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E') 743#define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 744#define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */ 745#define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */ 746#define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */ 747 748/* HSV formats */ 749#define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3') 750#define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4') 751 752/* compressed formats */ 753#define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 754#define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 755#define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 756#define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 757#define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 758#define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 759#define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 760#define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 761#define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 762#define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 763#define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */ 764#define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 765#define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 766#define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 767#define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 768#define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 769#define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') /* VP8 parsed frame */ 770#define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */ 771#define V4L2_PIX_FMT_VP9_FRAME v4l2_fourcc('V', 'P', '9', 'F') /* VP9 parsed frame */ 772#define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */ 773#define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */ 774#define V4L2_PIX_FMT_FWHT_STATELESS v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */ 775#define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */ 776#define V4L2_PIX_FMT_HEVC_SLICE v4l2_fourcc('S', '2', '6', '5') /* HEVC parsed slices */ 777#define V4L2_PIX_FMT_AV1_FRAME v4l2_fourcc('A', 'V', '1', 'F') /* AV1 parsed frame */ 778#define V4L2_PIX_FMT_SPK v4l2_fourcc('S', 'P', 'K', '0') /* Sorenson Spark */ 779#define V4L2_PIX_FMT_RV30 v4l2_fourcc('R', 'V', '3', '0') /* RealVideo 8 */ 780#define V4L2_PIX_FMT_RV40 v4l2_fourcc('R', 'V', '4', '0') /* RealVideo 9 & 10 */ 781 782/* Vendor-specific formats */ 783#define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 784#define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 785#define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 786#define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 787#define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 788#define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 789#define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 790#define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 791#define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 792#define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 793#define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 794#define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 795#define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 796#define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 797#define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 798#define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 799#define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 800#define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 801#define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 802#define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 803#define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 804#define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 805#define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 806#define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 807#define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 808#define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 809#define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */ 810#define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */ 811#define V4L2_PIX_FMT_Y16I v4l2_fourcc('Y', '1', '6', 'I') /* Greyscale 16-bit L/R interleaved */ 812#define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */ 813#define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */ 814#define V4L2_PIX_FMT_MM21 v4l2_fourcc('M', 'M', '2', '1') /* Mediatek 8-bit block mode, two non-contiguous planes */ 815#define V4L2_PIX_FMT_MT2110T v4l2_fourcc('M', 'T', '2', 'T') /* Mediatek 10-bit block tile mode */ 816#define V4L2_PIX_FMT_MT2110R v4l2_fourcc('M', 'T', '2', 'R') /* Mediatek 10-bit block raster mode */ 817#define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */ 818#define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */ 819#define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* BTTV 8-bit dithered RGB */ 820#define V4L2_PIX_FMT_QC08C v4l2_fourcc('Q', '0', '8', 'C') /* Qualcomm 8-bit compressed */ 821#define V4L2_PIX_FMT_QC10C v4l2_fourcc('Q', '1', '0', 'C') /* Qualcomm 10-bit compressed */ 822#define V4L2_PIX_FMT_AJPG v4l2_fourcc('A', 'J', 'P', 'G') /* Aspeed JPEG */ 823#define V4L2_PIX_FMT_HEXTILE v4l2_fourcc('H', 'X', 'T', 'L') /* Hextile compressed */ 824 825/* 10bit raw packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */ 826#define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */ 827#define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */ 828#define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */ 829#define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */ 830 831/* Raspberry Pi PiSP compressed formats. */ 832#define V4L2_PIX_FMT_PISP_COMP1_RGGB v4l2_fourcc('P', 'C', '1', 'R') /* PiSP 8-bit mode 1 compressed RGGB bayer */ 833#define V4L2_PIX_FMT_PISP_COMP1_GRBG v4l2_fourcc('P', 'C', '1', 'G') /* PiSP 8-bit mode 1 compressed GRBG bayer */ 834#define V4L2_PIX_FMT_PISP_COMP1_GBRG v4l2_fourcc('P', 'C', '1', 'g') /* PiSP 8-bit mode 1 compressed GBRG bayer */ 835#define V4L2_PIX_FMT_PISP_COMP1_BGGR v4l2_fourcc('P', 'C', '1', 'B') /* PiSP 8-bit mode 1 compressed BGGR bayer */ 836#define V4L2_PIX_FMT_PISP_COMP1_MONO v4l2_fourcc('P', 'C', '1', 'M') /* PiSP 8-bit mode 1 compressed monochrome */ 837#define V4L2_PIX_FMT_PISP_COMP2_RGGB v4l2_fourcc('P', 'C', '2', 'R') /* PiSP 8-bit mode 2 compressed RGGB bayer */ 838#define V4L2_PIX_FMT_PISP_COMP2_GRBG v4l2_fourcc('P', 'C', '2', 'G') /* PiSP 8-bit mode 2 compressed GRBG bayer */ 839#define V4L2_PIX_FMT_PISP_COMP2_GBRG v4l2_fourcc('P', 'C', '2', 'g') /* PiSP 8-bit mode 2 compressed GBRG bayer */ 840#define V4L2_PIX_FMT_PISP_COMP2_BGGR v4l2_fourcc('P', 'C', '2', 'B') /* PiSP 8-bit mode 2 compressed BGGR bayer */ 841#define V4L2_PIX_FMT_PISP_COMP2_MONO v4l2_fourcc('P', 'C', '2', 'M') /* PiSP 8-bit mode 2 compressed monochrome */ 842 843/* Renesas RZ/V2H CRU packed formats. 64-bit units with contiguous pixels */ 844#define V4L2_PIX_FMT_RAW_CRU10 v4l2_fourcc('C', 'R', '1', '0') 845#define V4L2_PIX_FMT_RAW_CRU12 v4l2_fourcc('C', 'R', '1', '2') 846#define V4L2_PIX_FMT_RAW_CRU14 v4l2_fourcc('C', 'R', '1', '4') 847#define V4L2_PIX_FMT_RAW_CRU20 v4l2_fourcc('C', 'R', '2', '0') 848 849/* SDR formats - used only for Software Defined Radio devices */ 850#define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 851#define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 852#define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 853#define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 854#define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 855#define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */ 856#define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */ 857#define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */ 858 859/* Touch formats - used for Touch devices */ 860#define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */ 861#define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */ 862#define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */ 863#define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */ 864 865/* Meta-data formats */ 866#define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */ 867#define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */ 868#define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */ 869#define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */ 870#define V4L2_META_FMT_UVC_MSXU_1_5 v4l2_fourcc('U', 'V', 'C', 'M') /* UVC MSXU metadata */ 871#define V4L2_META_FMT_VIVID v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */ 872 873/* Vendor specific - used for RK_ISP1 camera sub-system */ 874#define V4L2_META_FMT_RK_ISP1_PARAMS v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */ 875#define V4L2_META_FMT_RK_ISP1_STAT_3A v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */ 876#define V4L2_META_FMT_RK_ISP1_EXT_PARAMS v4l2_fourcc('R', 'K', '1', 'E') /* Rockchip ISP1 3a Extensible Parameters */ 877 878/* Vendor specific - used for C3_ISP */ 879#define V4L2_META_FMT_C3ISP_PARAMS v4l2_fourcc('C', '3', 'P', 'M') /* Amlogic C3 ISP Parameters */ 880#define V4L2_META_FMT_C3ISP_STATS v4l2_fourcc('C', '3', 'S', 'T') /* Amlogic C3 ISP Statistics */ 881 882/* Vendor specific - used for RaspberryPi PiSP */ 883#define V4L2_META_FMT_RPI_BE_CFG v4l2_fourcc('R', 'P', 'B', 'C') /* PiSP BE configuration */ 884#define V4L2_META_FMT_RPI_FE_CFG v4l2_fourcc('R', 'P', 'F', 'C') /* PiSP FE configuration */ 885#define V4L2_META_FMT_RPI_FE_STATS v4l2_fourcc('R', 'P', 'F', 'S') /* PiSP FE stats */ 886 887/* Vendor specific - used for Arm Mali-C55 ISP */ 888#define V4L2_META_FMT_MALI_C55_PARAMS v4l2_fourcc('C', '5', '5', 'P') /* ARM Mali-C55 Parameters */ 889#define V4L2_META_FMT_MALI_C55_STATS v4l2_fourcc('C', '5', '5', 'S') /* ARM Mali-C55 3A Statistics */ 890 891#ifdef __KERNEL__ 892/* 893 * Line-based metadata formats. Remember to update v4l_fill_fmtdesc() when 894 * adding new ones! 895 */ 896#define V4L2_META_FMT_GENERIC_8 v4l2_fourcc('M', 'E', 'T', '8') /* Generic 8-bit metadata */ 897#define V4L2_META_FMT_GENERIC_CSI2_10 v4l2_fourcc('M', 'C', '1', 'A') /* 10-bit CSI-2 packed 8-bit metadata */ 898#define V4L2_META_FMT_GENERIC_CSI2_12 v4l2_fourcc('M', 'C', '1', 'C') /* 12-bit CSI-2 packed 8-bit metadata */ 899#define V4L2_META_FMT_GENERIC_CSI2_14 v4l2_fourcc('M', 'C', '1', 'E') /* 14-bit CSI-2 packed 8-bit metadata */ 900#define V4L2_META_FMT_GENERIC_CSI2_16 v4l2_fourcc('M', 'C', '1', 'G') /* 16-bit CSI-2 packed 8-bit metadata */ 901#define V4L2_META_FMT_GENERIC_CSI2_20 v4l2_fourcc('M', 'C', '1', 'K') /* 20-bit CSI-2 packed 8-bit metadata */ 902#define V4L2_META_FMT_GENERIC_CSI2_24 v4l2_fourcc('M', 'C', '1', 'O') /* 24-bit CSI-2 packed 8-bit metadata */ 903#endif 904 905/* priv field value to indicates that subsequent fields are valid. */ 906#define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 907 908/* Flags */ 909#define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 910#define V4L2_PIX_FMT_FLAG_SET_CSC 0x00000002 911 912/* 913 * F O R M A T E N U M E R A T I O N 914 */ 915struct v4l2_fmtdesc { 916 __u32 index; /* Format number */ 917 __u32 type; /* enum v4l2_buf_type */ 918 __u32 flags; 919 __u8 description[32]; /* Description string */ 920 __u32 pixelformat; /* Format fourcc */ 921 __u32 mbus_code; /* Media bus code */ 922 __u32 reserved[3]; 923}; 924 925#define V4L2_FMT_FLAG_COMPRESSED 0x0001 926#define V4L2_FMT_FLAG_EMULATED 0x0002 927#define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM 0x0004 928#define V4L2_FMT_FLAG_DYN_RESOLUTION 0x0008 929#define V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL 0x0010 930#define V4L2_FMT_FLAG_CSC_COLORSPACE 0x0020 931#define V4L2_FMT_FLAG_CSC_XFER_FUNC 0x0040 932#define V4L2_FMT_FLAG_CSC_YCBCR_ENC 0x0080 933#define V4L2_FMT_FLAG_CSC_HSV_ENC V4L2_FMT_FLAG_CSC_YCBCR_ENC 934#define V4L2_FMT_FLAG_CSC_QUANTIZATION 0x0100 935#define V4L2_FMT_FLAG_META_LINE_BASED 0x0200 936 937/* Format description flag, to be ORed with the index */ 938#define V4L2_FMTDESC_FLAG_ENUM_ALL 0x80000000 939 940 /* Frame Size and frame rate enumeration */ 941/* 942 * F R A M E S I Z E E N U M E R A T I O N 943 */ 944enum v4l2_frmsizetypes { 945 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 946 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 947 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 948}; 949 950struct v4l2_frmsize_discrete { 951 __u32 width; /* Frame width [pixel] */ 952 __u32 height; /* Frame height [pixel] */ 953}; 954 955struct v4l2_frmsize_stepwise { 956 __u32 min_width; /* Minimum frame width [pixel] */ 957 __u32 max_width; /* Maximum frame width [pixel] */ 958 __u32 step_width; /* Frame width step size [pixel] */ 959 __u32 min_height; /* Minimum frame height [pixel] */ 960 __u32 max_height; /* Maximum frame height [pixel] */ 961 __u32 step_height; /* Frame height step size [pixel] */ 962}; 963 964struct v4l2_frmsizeenum { 965 __u32 index; /* Frame size number */ 966 __u32 pixel_format; /* Pixel format */ 967 __u32 type; /* Frame size type the device supports. */ 968 969 union { /* Frame size */ 970 struct v4l2_frmsize_discrete discrete; 971 struct v4l2_frmsize_stepwise stepwise; 972 }; 973 974 __u32 reserved[2]; /* Reserved space for future use */ 975}; 976 977/* 978 * F R A M E R A T E E N U M E R A T I O N 979 */ 980enum v4l2_frmivaltypes { 981 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 982 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 983 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 984}; 985 986struct v4l2_frmival_stepwise { 987 struct v4l2_fract min; /* Minimum frame interval [s] */ 988 struct v4l2_fract max; /* Maximum frame interval [s] */ 989 struct v4l2_fract step; /* Frame interval step size [s] */ 990}; 991 992struct v4l2_frmivalenum { 993 __u32 index; /* Frame format index */ 994 __u32 pixel_format; /* Pixel format */ 995 __u32 width; /* Frame width */ 996 __u32 height; /* Frame height */ 997 __u32 type; /* Frame interval type the device supports. */ 998 999 union { /* Frame interval */ 1000 struct v4l2_fract discrete; 1001 struct v4l2_frmival_stepwise stepwise; 1002 }; 1003 1004 __u32 reserved[2]; /* Reserved space for future use */ 1005}; 1006 1007/* 1008 * T I M E C O D E 1009 */ 1010struct v4l2_timecode { 1011 __u32 type; 1012 __u32 flags; 1013 __u8 frames; 1014 __u8 seconds; 1015 __u8 minutes; 1016 __u8 hours; 1017 __u8 userbits[4]; 1018}; 1019 1020/* Type */ 1021#define V4L2_TC_TYPE_24FPS 1 1022#define V4L2_TC_TYPE_25FPS 2 1023#define V4L2_TC_TYPE_30FPS 3 1024#define V4L2_TC_TYPE_50FPS 4 1025#define V4L2_TC_TYPE_60FPS 5 1026 1027/* Flags */ 1028#define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 1029#define V4L2_TC_FLAG_COLORFRAME 0x0002 1030#define V4L2_TC_USERBITS_field 0x000C 1031#define V4L2_TC_USERBITS_USERDEFINED 0x0000 1032#define V4L2_TC_USERBITS_8BITCHARS 0x0008 1033/* The above is based on SMPTE timecodes */ 1034 1035struct v4l2_jpegcompression { 1036 int quality; 1037 1038 int APPn; /* Number of APP segment to be written, 1039 * must be 0..15 */ 1040 int APP_len; /* Length of data in JPEG APPn segment */ 1041 char APP_data[60]; /* Data in the JPEG APPn segment. */ 1042 1043 int COM_len; /* Length of data in JPEG COM segment */ 1044 char COM_data[60]; /* Data in JPEG COM segment */ 1045 1046 __u32 jpeg_markers; /* Which markers should go into the JPEG 1047 * output. Unless you exactly know what 1048 * you do, leave them untouched. 1049 * Including less markers will make the 1050 * resulting code smaller, but there will 1051 * be fewer applications which can read it. 1052 * The presence of the APP and COM marker 1053 * is influenced by APP_len and COM_len 1054 * ONLY, not by this property! */ 1055 1056#define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 1057#define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 1058#define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 1059#define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 1060#define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 1061 * always use APP0 */ 1062}; 1063 1064/* 1065 * M E M O R Y - M A P P I N G B U F F E R S 1066 */ 1067 1068#ifdef __KERNEL__ 1069/* 1070 * This corresponds to the user space version of timeval 1071 * for 64-bit time_t. sparc64 is different from everyone 1072 * else, using the microseconds in the wrong half of the 1073 * second 64-bit word. 1074 */ 1075struct __kernel_v4l2_timeval { 1076 long long tv_sec; 1077#if defined(__sparc__) && defined(__arch64__) 1078 int tv_usec; 1079 int __pad; 1080#else 1081 long long tv_usec; 1082#endif 1083}; 1084#endif 1085 1086struct v4l2_requestbuffers { 1087 __u32 count; 1088 __u32 type; /* enum v4l2_buf_type */ 1089 __u32 memory; /* enum v4l2_memory */ 1090 __u32 capabilities; 1091 __u8 flags; 1092 __u8 reserved[3]; 1093}; 1094 1095#define V4L2_MEMORY_FLAG_NON_COHERENT (1 << 0) 1096 1097/* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */ 1098#define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0) 1099#define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1) 1100#define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2) 1101#define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3) 1102#define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4) 1103#define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5) 1104#define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS (1 << 6) 1105#define V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS (1 << 7) 1106#define V4L2_BUF_CAP_SUPPORTS_REMOVE_BUFS (1 << 8) 1107 1108/** 1109 * struct v4l2_plane - plane info for multi-planar buffers 1110 * @bytesused: number of bytes occupied by data in the plane (payload) 1111 * @length: size of this plane (NOT the payload) in bytes 1112 * @m.mem_offset: when memory in the associated struct v4l2_buffer is 1113 * V4L2_MEMORY_MMAP, equals the offset from the start of 1114 * the device memory for this plane (or is a "cookie" that 1115 * should be passed to mmap() called on the video node) 1116 * @m.userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 1117 * pointing to this plane 1118 * @m.fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 1119 * descriptor associated with this plane 1120 * @m: union of @mem_offset, @userptr and @fd 1121 * @data_offset: offset in the plane to the start of data; usually 0, 1122 * unless there is a header in front of the data 1123 * @reserved: drivers and applications must zero this array 1124 * 1125 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 1126 * with two planes can have one plane for Y, and another for interleaved CbCr 1127 * components. Each plane can reside in a separate memory buffer, or even in 1128 * a completely separate memory node (e.g. in embedded devices). 1129 */ 1130struct v4l2_plane { 1131 __u32 bytesused; 1132 __u32 length; 1133 union { 1134 __u32 mem_offset; 1135 unsigned long userptr; 1136 __s32 fd; 1137 } m; 1138 __u32 data_offset; 1139 __u32 reserved[11]; 1140}; 1141 1142/** 1143 * struct v4l2_buffer - video buffer info 1144 * @index: id number of the buffer 1145 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 1146 * multiplanar buffers); 1147 * @bytesused: number of bytes occupied by data in the buffer (payload); 1148 * unused (set to 0) for multiplanar buffers 1149 * @flags: buffer informational flags 1150 * @field: enum v4l2_field; field order of the image in the buffer 1151 * @timestamp: frame timestamp 1152 * @timecode: frame timecode 1153 * @sequence: sequence count of this frame 1154 * @memory: enum v4l2_memory; the method, in which the actual video data is 1155 * passed 1156 * @m.offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 1157 * offset from the start of the device memory for this plane, 1158 * (or a "cookie" that should be passed to mmap() as offset) 1159 * @m.userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 1160 * a userspace pointer pointing to this buffer 1161 * @m.fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 1162 * a userspace file descriptor associated with this buffer 1163 * @m.planes: for multiplanar buffers; userspace pointer to the array of plane 1164 * info structs for this buffer 1165 * @m: union of @offset, @userptr, @planes and @fd 1166 * @length: size in bytes of the buffer (NOT its payload) for single-plane 1167 * buffers (when type != *_MPLANE); number of elements in the 1168 * planes array for multi-plane buffers 1169 * @reserved2: drivers and applications must zero this field 1170 * @request_fd: fd of the request that this buffer should use 1171 * @reserved: for backwards compatibility with applications that do not know 1172 * about @request_fd 1173 * 1174 * Contains data exchanged by application and driver using one of the Streaming 1175 * I/O methods. 1176 */ 1177struct v4l2_buffer { 1178 __u32 index; 1179 __u32 type; 1180 __u32 bytesused; 1181 __u32 flags; 1182 __u32 field; 1183#ifdef __KERNEL__ 1184 struct __kernel_v4l2_timeval timestamp; 1185#else 1186 struct timeval timestamp; 1187#endif 1188 struct v4l2_timecode timecode; 1189 __u32 sequence; 1190 1191 /* memory location */ 1192 __u32 memory; 1193 union { 1194 __u32 offset; 1195 unsigned long userptr; 1196 struct v4l2_plane *planes; 1197 __s32 fd; 1198 } m; 1199 __u32 length; 1200 __u32 reserved2; 1201 union { 1202 __s32 request_fd; 1203 __u32 reserved; 1204 }; 1205}; 1206 1207#ifndef __KERNEL__ 1208/** 1209 * v4l2_timeval_to_ns - Convert timeval to nanoseconds 1210 * @tv: pointer to the timeval variable to be converted 1211 * 1212 * Returns the scalar nanosecond representation of the timeval 1213 * parameter. 1214 */ 1215static inline __u64 v4l2_timeval_to_ns(const struct timeval *tv) 1216{ 1217 return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000; 1218} 1219#endif 1220 1221/* Flags for 'flags' field */ 1222/* Buffer is mapped (flag) */ 1223#define V4L2_BUF_FLAG_MAPPED 0x00000001 1224/* Buffer is queued for processing */ 1225#define V4L2_BUF_FLAG_QUEUED 0x00000002 1226/* Buffer is ready */ 1227#define V4L2_BUF_FLAG_DONE 0x00000004 1228/* Image is a keyframe (I-frame) */ 1229#define V4L2_BUF_FLAG_KEYFRAME 0x00000008 1230/* Image is a P-frame */ 1231#define V4L2_BUF_FLAG_PFRAME 0x00000010 1232/* Image is a B-frame */ 1233#define V4L2_BUF_FLAG_BFRAME 0x00000020 1234/* Buffer is ready, but the data contained within is corrupted. */ 1235#define V4L2_BUF_FLAG_ERROR 0x00000040 1236/* Buffer is added to an unqueued request */ 1237#define V4L2_BUF_FLAG_IN_REQUEST 0x00000080 1238/* timecode field is valid */ 1239#define V4L2_BUF_FLAG_TIMECODE 0x00000100 1240/* Don't return the capture buffer until OUTPUT timestamp changes */ 1241#define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF 0x00000200 1242/* Buffer is prepared for queuing */ 1243#define V4L2_BUF_FLAG_PREPARED 0x00000400 1244/* Cache handling flags */ 1245#define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 1246#define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 1247/* Timestamp type */ 1248#define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 1249#define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 1250#define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 1251#define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 1252/* Timestamp sources. */ 1253#define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 1254#define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 1255#define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 1256/* mem2mem encoder/decoder */ 1257#define V4L2_BUF_FLAG_LAST 0x00100000 1258/* request_fd is valid */ 1259#define V4L2_BUF_FLAG_REQUEST_FD 0x00800000 1260 1261/** 1262 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 1263 * 1264 * @index: id number of the buffer 1265 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 1266 * multiplanar buffers); 1267 * @plane: index of the plane to be exported, 0 for single plane queues 1268 * @flags: flags for newly created file, currently only O_CLOEXEC is 1269 * supported, refer to manual of open syscall for more details 1270 * @fd: file descriptor associated with DMABUF (set by driver) 1271 * @reserved: drivers and applications must zero this array 1272 * 1273 * Contains data used for exporting a video buffer as DMABUF file descriptor. 1274 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 1275 * (identical to the cookie used to mmap() the buffer to userspace). All 1276 * reserved fields must be set to zero. The field reserved0 is expected to 1277 * become a structure 'type' allowing an alternative layout of the structure 1278 * content. Therefore this field should not be used for any other extensions. 1279 */ 1280struct v4l2_exportbuffer { 1281 __u32 type; /* enum v4l2_buf_type */ 1282 __u32 index; 1283 __u32 plane; 1284 __u32 flags; 1285 __s32 fd; 1286 __u32 reserved[11]; 1287}; 1288 1289/* 1290 * O V E R L A Y P R E V I E W 1291 */ 1292struct v4l2_framebuffer { 1293 __u32 capability; 1294 __u32 flags; 1295/* FIXME: in theory we should pass something like PCI device + memory 1296 * region + offset instead of some physical address */ 1297 void *base; 1298 struct { 1299 __u32 width; 1300 __u32 height; 1301 __u32 pixelformat; 1302 __u32 field; /* enum v4l2_field */ 1303 __u32 bytesperline; /* for padding, zero if unused */ 1304 __u32 sizeimage; 1305 __u32 colorspace; /* enum v4l2_colorspace */ 1306 __u32 priv; /* reserved field, set to 0 */ 1307 } fmt; 1308}; 1309/* Flags for the 'capability' field. Read only */ 1310#define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 1311#define V4L2_FBUF_CAP_CHROMAKEY 0x0002 1312#ifndef __KERNEL__ 1313#define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 1314#define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 1315#endif 1316#define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 1317#define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 1318#define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 1319#define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 1320/* Flags for the 'flags' field. */ 1321#define V4L2_FBUF_FLAG_PRIMARY 0x0001 1322#define V4L2_FBUF_FLAG_OVERLAY 0x0002 1323#define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 1324#define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 1325#define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 1326#define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 1327#define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 1328 1329struct v4l2_clip { 1330 struct v4l2_rect c; 1331 struct v4l2_clip __user *next; 1332}; 1333 1334struct v4l2_window { 1335 struct v4l2_rect w; 1336 __u32 field; /* enum v4l2_field */ 1337 __u32 chromakey; 1338 struct v4l2_clip *clips; 1339 __u32 clipcount; 1340 void __user *bitmap; 1341 __u8 global_alpha; 1342}; 1343 1344/* 1345 * C A P T U R E P A R A M E T E R S 1346 */ 1347struct v4l2_captureparm { 1348 __u32 capability; /* Supported modes */ 1349 __u32 capturemode; /* Current mode */ 1350 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1351 __u32 extendedmode; /* Driver-specific extensions */ 1352 __u32 readbuffers; /* # of buffers for read */ 1353 __u32 reserved[4]; 1354}; 1355 1356/* Flags for 'capability' and 'capturemode' fields */ 1357#define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 1358#define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 1359 1360struct v4l2_outputparm { 1361 __u32 capability; /* Supported modes */ 1362 __u32 outputmode; /* Current mode */ 1363 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1364 __u32 extendedmode; /* Driver-specific extensions */ 1365 __u32 writebuffers; /* # of buffers for write */ 1366 __u32 reserved[4]; 1367}; 1368 1369/* 1370 * I N P U T I M A G E C R O P P I N G 1371 */ 1372struct v4l2_cropcap { 1373 __u32 type; /* enum v4l2_buf_type */ 1374 struct v4l2_rect bounds; 1375 struct v4l2_rect defrect; 1376 struct v4l2_fract pixelaspect; 1377}; 1378 1379struct v4l2_crop { 1380 __u32 type; /* enum v4l2_buf_type */ 1381 struct v4l2_rect c; 1382}; 1383 1384/** 1385 * struct v4l2_selection - selection info 1386 * @type: buffer type (do not use *_MPLANE types) 1387 * @target: Selection target, used to choose one of possible rectangles; 1388 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 1389 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 1390 * @r: coordinates of selection window 1391 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 1392 * 1393 * Hardware may use multiple helper windows to process a video stream. 1394 * The structure is used to exchange this selection areas between 1395 * an application and a driver. 1396 */ 1397struct v4l2_selection { 1398 __u32 type; 1399 __u32 target; 1400 __u32 flags; 1401 struct v4l2_rect r; 1402 __u32 reserved[9]; 1403}; 1404 1405 1406/* 1407 * A N A L O G V I D E O S T A N D A R D 1408 */ 1409 1410typedef __u64 v4l2_std_id; 1411 1412/* 1413 * Attention: Keep the V4L2_STD_* bit definitions in sync with 1414 * include/dt-bindings/display/sdtv-standards.h SDTV_STD_* bit definitions. 1415 */ 1416/* one bit for each */ 1417#define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 1418#define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 1419#define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 1420#define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 1421#define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 1422#define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 1423#define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 1424#define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 1425 1426#define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 1427#define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 1428#define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 1429#define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 1430 1431#define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 1432#define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 1433#define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 1434#define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 1435 1436#define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 1437#define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 1438#define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 1439#define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 1440#define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 1441#define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 1442#define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 1443#define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 1444 1445/* ATSC/HDTV */ 1446#define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 1447#define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 1448 1449/* FIXME: 1450 Although std_id is 64 bits, there is an issue on PPC32 architecture that 1451 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 1452 this value to 32 bits. 1453 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 1454 it should work fine. However, if needed to add more than two standards, 1455 v4l2-common.c should be fixed. 1456 */ 1457 1458/* 1459 * Some macros to merge video standards in order to make live easier for the 1460 * drivers and V4L2 applications 1461 */ 1462 1463/* 1464 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 1465 * Missing here. 1466 */ 1467#define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 1468 V4L2_STD_NTSC_M_JP |\ 1469 V4L2_STD_NTSC_M_KR) 1470/* Secam macros */ 1471#define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 1472 V4L2_STD_SECAM_K |\ 1473 V4L2_STD_SECAM_K1) 1474/* All Secam Standards */ 1475#define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 1476 V4L2_STD_SECAM_G |\ 1477 V4L2_STD_SECAM_H |\ 1478 V4L2_STD_SECAM_DK |\ 1479 V4L2_STD_SECAM_L |\ 1480 V4L2_STD_SECAM_LC) 1481/* PAL macros */ 1482#define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 1483 V4L2_STD_PAL_B1 |\ 1484 V4L2_STD_PAL_G) 1485#define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1486 V4L2_STD_PAL_D1 |\ 1487 V4L2_STD_PAL_K) 1488/* 1489 * "Common" PAL - This macro is there to be compatible with the old 1490 * V4L1 concept of "PAL": /BGDKHI. 1491 * Several PAL standards are missing here: /M, /N and /Nc 1492 */ 1493#define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1494 V4L2_STD_PAL_DK |\ 1495 V4L2_STD_PAL_H |\ 1496 V4L2_STD_PAL_I) 1497/* Chroma "agnostic" standards */ 1498#define V4L2_STD_B (V4L2_STD_PAL_B |\ 1499 V4L2_STD_PAL_B1 |\ 1500 V4L2_STD_SECAM_B) 1501#define V4L2_STD_G (V4L2_STD_PAL_G |\ 1502 V4L2_STD_SECAM_G) 1503#define V4L2_STD_H (V4L2_STD_PAL_H |\ 1504 V4L2_STD_SECAM_H) 1505#define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1506 V4L2_STD_SECAM_LC) 1507#define V4L2_STD_GH (V4L2_STD_G |\ 1508 V4L2_STD_H) 1509#define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1510 V4L2_STD_SECAM_DK) 1511#define V4L2_STD_BG (V4L2_STD_B |\ 1512 V4L2_STD_G) 1513#define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1514 V4L2_STD_PAL_N |\ 1515 V4L2_STD_PAL_Nc |\ 1516 V4L2_STD_NTSC) 1517 1518/* Standards where MTS/BTSC stereo could be found */ 1519#define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1520 V4L2_STD_PAL_M |\ 1521 V4L2_STD_PAL_N |\ 1522 V4L2_STD_PAL_Nc) 1523 1524/* Standards for Countries with 60Hz Line frequency */ 1525#define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1526 V4L2_STD_PAL_60 |\ 1527 V4L2_STD_NTSC |\ 1528 V4L2_STD_NTSC_443) 1529/* Standards for Countries with 50Hz Line frequency */ 1530#define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1531 V4L2_STD_PAL_N |\ 1532 V4L2_STD_PAL_Nc |\ 1533 V4L2_STD_SECAM) 1534 1535#define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1536 V4L2_STD_ATSC_16_VSB) 1537/* Macros with none and all analog standards */ 1538#define V4L2_STD_UNKNOWN 0 1539#define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1540 V4L2_STD_625_50) 1541 1542struct v4l2_standard { 1543 __u32 index; 1544 v4l2_std_id id; 1545 __u8 name[24]; 1546 struct v4l2_fract frameperiod; /* Frames, not fields */ 1547 __u32 framelines; 1548 __u32 reserved[4]; 1549}; 1550 1551/* 1552 * D V B T T I M I N G S 1553 */ 1554 1555/** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1556 * @width: total width of the active video in pixels 1557 * @height: total height of the active video in lines 1558 * @interlaced: Interlaced or progressive 1559 * @polarities: Positive or negative polarities 1560 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1561 * @hfrontporch:Horizontal front porch in pixels 1562 * @hsync: Horizontal Sync length in pixels 1563 * @hbackporch: Horizontal back porch in pixels 1564 * @vfrontporch:Vertical front porch in lines 1565 * @vsync: Vertical Sync length in lines 1566 * @vbackporch: Vertical back porch in lines 1567 * @il_vfrontporch:Vertical front porch for the even field 1568 * (aka field 2) of interlaced field formats 1569 * @il_vsync: Vertical Sync length for the even field 1570 * (aka field 2) of interlaced field formats 1571 * @il_vbackporch:Vertical back porch for the even field 1572 * (aka field 2) of interlaced field formats 1573 * @standards: Standards the timing belongs to 1574 * @flags: Flags 1575 * @picture_aspect: The picture aspect ratio (hor/vert). 1576 * @cea861_vic: VIC code as per the CEA-861 standard. 1577 * @hdmi_vic: VIC code as per the HDMI standard. 1578 * @reserved: Reserved fields, must be zeroed. 1579 * 1580 * A note regarding vertical interlaced timings: height refers to the total 1581 * height of the active video frame (= two fields). The blanking timings refer 1582 * to the blanking of each field. So the height of the total frame is 1583 * calculated as follows: 1584 * 1585 * tot_height = height + vfrontporch + vsync + vbackporch + 1586 * il_vfrontporch + il_vsync + il_vbackporch 1587 * 1588 * The active height of each field is height / 2. 1589 */ 1590struct v4l2_bt_timings { 1591 __u32 width; 1592 __u32 height; 1593 __u32 interlaced; 1594 __u32 polarities; 1595 __u64 pixelclock; 1596 __u32 hfrontporch; 1597 __u32 hsync; 1598 __u32 hbackporch; 1599 __u32 vfrontporch; 1600 __u32 vsync; 1601 __u32 vbackporch; 1602 __u32 il_vfrontporch; 1603 __u32 il_vsync; 1604 __u32 il_vbackporch; 1605 __u32 standards; 1606 __u32 flags; 1607 struct v4l2_fract picture_aspect; 1608 __u8 cea861_vic; 1609 __u8 hdmi_vic; 1610 __u8 reserved[46]; 1611} __attribute__ ((packed)); 1612 1613/* Interlaced or progressive format */ 1614#define V4L2_DV_PROGRESSIVE 0 1615#define V4L2_DV_INTERLACED 1 1616 1617/* Polarities. If bit is not set, it is assumed to be negative polarity */ 1618#define V4L2_DV_VSYNC_POS_POL 0x00000001 1619#define V4L2_DV_HSYNC_POS_POL 0x00000002 1620 1621/* Timings standards */ 1622#define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1623#define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1624#define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1625#define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1626#define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */ 1627 1628/* Flags */ 1629 1630/* 1631 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1632 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1633 * intervals are reduced, allowing a higher resolution over the same 1634 * bandwidth. This is a read-only flag. 1635 */ 1636#define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1637/* 1638 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1639 * of six. These formats can be optionally played at 1 / 1.001 speed. 1640 * This is a read-only flag. 1641 */ 1642#define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1643/* 1644 * CEA-861 specific: only valid for video transmitters, the flag is cleared 1645 * by receivers. 1646 * If the framerate of the format is a multiple of six, then the pixelclock 1647 * used to set up the transmitter is divided by 1.001 to make it compatible 1648 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1649 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1650 * such frequencies, then the flag will also be cleared. 1651 */ 1652#define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1653/* 1654 * Specific to interlaced formats: if set, then field 1 is really one half-line 1655 * longer and field 2 is really one half-line shorter, so each field has 1656 * exactly the same number of half-lines. Whether half-lines can be detected 1657 * or used depends on the hardware. 1658 */ 1659#define V4L2_DV_FL_HALF_LINE (1 << 3) 1660/* 1661 * If set, then this is a Consumer Electronics (CE) video format. Such formats 1662 * differ from other formats (commonly called IT formats) in that if RGB 1663 * encoding is used then by default the RGB values use limited range (i.e. 1664 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861 1665 * except for the 640x480 format are CE formats. 1666 */ 1667#define V4L2_DV_FL_IS_CE_VIDEO (1 << 4) 1668/* Some formats like SMPTE-125M have an interlaced signal with a odd 1669 * total height. For these formats, if this flag is set, the first 1670 * field has the extra line. If not, it is the second field. 1671 */ 1672#define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5) 1673/* 1674 * If set, then the picture_aspect field is valid. Otherwise assume that the 1675 * pixels are square, so the picture aspect ratio is the same as the width to 1676 * height ratio. 1677 */ 1678#define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6) 1679/* 1680 * If set, then the cea861_vic field is valid and contains the Video 1681 * Identification Code as per the CEA-861 standard. 1682 */ 1683#define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7) 1684/* 1685 * If set, then the hdmi_vic field is valid and contains the Video 1686 * Identification Code as per the HDMI standard (HDMI Vendor Specific 1687 * InfoFrame). 1688 */ 1689#define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8) 1690/* 1691 * CEA-861 specific: only valid for video receivers. 1692 * If set, then HW can detect the difference between regular FPS and 1693 * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with 1694 * the V4L2_DV_FL_CAN_REDUCE_FPS flag set. 1695 */ 1696#define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9) 1697 1698/* A few useful defines to calculate the total blanking and frame sizes */ 1699#define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1700 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1701#define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1702 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1703#define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1704 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1705 ((bt)->interlaced ? \ 1706 ((bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) : 0)) 1707#define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1708 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1709 1710/** struct v4l2_dv_timings - DV timings 1711 * @type: the type of the timings 1712 * @bt: BT656/1120 timings 1713 */ 1714struct v4l2_dv_timings { 1715 __u32 type; 1716 union { 1717 struct v4l2_bt_timings bt; 1718 __u32 reserved[32]; 1719 }; 1720} __attribute__ ((packed)); 1721 1722/* Values for the type field */ 1723#define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1724 1725 1726/** struct v4l2_enum_dv_timings - DV timings enumeration 1727 * @index: enumeration index 1728 * @pad: the pad number for which to enumerate timings (used with 1729 * v4l-subdev nodes only) 1730 * @reserved: must be zeroed 1731 * @timings: the timings for the given index 1732 */ 1733struct v4l2_enum_dv_timings { 1734 __u32 index; 1735 __u32 pad; 1736 __u32 reserved[2]; 1737 struct v4l2_dv_timings timings; 1738}; 1739 1740/** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1741 * @min_width: width in pixels 1742 * @max_width: width in pixels 1743 * @min_height: height in lines 1744 * @max_height: height in lines 1745 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1746 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1747 * @standards: Supported standards 1748 * @capabilities: Supported capabilities 1749 * @reserved: Must be zeroed 1750 */ 1751struct v4l2_bt_timings_cap { 1752 __u32 min_width; 1753 __u32 max_width; 1754 __u32 min_height; 1755 __u32 max_height; 1756 __u64 min_pixelclock; 1757 __u64 max_pixelclock; 1758 __u32 standards; 1759 __u32 capabilities; 1760 __u32 reserved[16]; 1761} __attribute__ ((packed)); 1762 1763/* Supports interlaced formats */ 1764#define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1765/* Supports progressive formats */ 1766#define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1767/* Supports CVT/GTF reduced blanking */ 1768#define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1769/* Supports custom formats */ 1770#define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1771 1772/** struct v4l2_dv_timings_cap - DV timings capabilities 1773 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1774 * @pad: the pad number for which to query capabilities (used with 1775 * v4l-subdev nodes only) 1776 * @bt: the BT656/1120 timings capabilities 1777 */ 1778struct v4l2_dv_timings_cap { 1779 __u32 type; 1780 __u32 pad; 1781 __u32 reserved[2]; 1782 union { 1783 struct v4l2_bt_timings_cap bt; 1784 __u32 raw_data[32]; 1785 }; 1786}; 1787 1788 1789/* 1790 * V I D E O I N P U T S 1791 */ 1792struct v4l2_input { 1793 __u32 index; /* Which input */ 1794 __u8 name[32]; /* Label */ 1795 __u32 type; /* Type of input */ 1796 __u32 audioset; /* Associated audios (bitfield) */ 1797 __u32 tuner; /* Tuner index */ 1798 v4l2_std_id std; 1799 __u32 status; 1800 __u32 capabilities; 1801 __u32 reserved[3]; 1802}; 1803 1804/* Values for the 'type' field */ 1805#define V4L2_INPUT_TYPE_TUNER 1 1806#define V4L2_INPUT_TYPE_CAMERA 2 1807#define V4L2_INPUT_TYPE_TOUCH 3 1808 1809/* field 'status' - general */ 1810#define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1811#define V4L2_IN_ST_NO_SIGNAL 0x00000002 1812#define V4L2_IN_ST_NO_COLOR 0x00000004 1813 1814/* field 'status' - sensor orientation */ 1815/* If sensor is mounted upside down set both bits */ 1816#define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1817#define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1818 1819/* field 'status' - analog */ 1820#define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1821#define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1822#define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */ 1823#define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */ 1824 1825/* field 'status' - digital */ 1826#define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1827#define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1828#define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1829 1830/* field 'status' - VCR and set-top box */ 1831#define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1832#define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1833#define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1834 1835/* capabilities flags */ 1836#define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1837#define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1838#define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1839#define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1840 1841/* 1842 * V I D E O O U T P U T S 1843 */ 1844struct v4l2_output { 1845 __u32 index; /* Which output */ 1846 __u8 name[32]; /* Label */ 1847 __u32 type; /* Type of output */ 1848 __u32 audioset; /* Associated audios (bitfield) */ 1849 __u32 modulator; /* Associated modulator */ 1850 v4l2_std_id std; 1851 __u32 capabilities; 1852 __u32 reserved[3]; 1853}; 1854/* Values for the 'type' field */ 1855#define V4L2_OUTPUT_TYPE_MODULATOR 1 1856#define V4L2_OUTPUT_TYPE_ANALOG 2 1857#define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1858 1859/* capabilities flags */ 1860#define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1861#define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1862#define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1863#define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1864 1865/* 1866 * C O N T R O L S 1867 */ 1868struct v4l2_control { 1869 __u32 id; 1870 __s32 value; 1871}; 1872 1873struct v4l2_ext_control { 1874 __u32 id; 1875 __u32 size; 1876 __u32 reserved2[1]; 1877 union { 1878 __s32 value; 1879 __s64 value64; 1880 char __user *string; 1881 __u8 __user *p_u8; 1882 __u16 __user *p_u16; 1883 __u32 __user *p_u32; 1884 __s32 __user *p_s32; 1885 __s64 __user *p_s64; 1886 struct v4l2_area __user *p_area; 1887 struct v4l2_rect __user *p_rect; 1888 struct v4l2_ctrl_h264_sps __user *p_h264_sps; 1889 struct v4l2_ctrl_h264_pps __user *p_h264_pps; 1890 struct v4l2_ctrl_h264_scaling_matrix __user *p_h264_scaling_matrix; 1891 struct v4l2_ctrl_h264_pred_weights __user *p_h264_pred_weights; 1892 struct v4l2_ctrl_h264_slice_params __user *p_h264_slice_params; 1893 struct v4l2_ctrl_h264_decode_params __user *p_h264_decode_params; 1894 struct v4l2_ctrl_fwht_params __user *p_fwht_params; 1895 struct v4l2_ctrl_vp8_frame __user *p_vp8_frame; 1896 struct v4l2_ctrl_mpeg2_sequence __user *p_mpeg2_sequence; 1897 struct v4l2_ctrl_mpeg2_picture __user *p_mpeg2_picture; 1898 struct v4l2_ctrl_mpeg2_quantisation __user *p_mpeg2_quantisation; 1899 struct v4l2_ctrl_vp9_compressed_hdr __user *p_vp9_compressed_hdr_probs; 1900 struct v4l2_ctrl_vp9_frame __user *p_vp9_frame; 1901 struct v4l2_ctrl_hevc_sps __user *p_hevc_sps; 1902 struct v4l2_ctrl_hevc_pps __user *p_hevc_pps; 1903 struct v4l2_ctrl_hevc_slice_params __user *p_hevc_slice_params; 1904 struct v4l2_ctrl_hevc_scaling_matrix __user *p_hevc_scaling_matrix; 1905 struct v4l2_ctrl_hevc_decode_params __user *p_hevc_decode_params; 1906 struct v4l2_ctrl_av1_sequence __user *p_av1_sequence; 1907 struct v4l2_ctrl_av1_tile_group_entry __user *p_av1_tile_group_entry; 1908 struct v4l2_ctrl_av1_frame __user *p_av1_frame; 1909 struct v4l2_ctrl_av1_film_grain __user *p_av1_film_grain; 1910 struct v4l2_ctrl_hdr10_cll_info __user *p_hdr10_cll_info; 1911 struct v4l2_ctrl_hdr10_mastering_display __user *p_hdr10_mastering_display; 1912 void __user *ptr; 1913 } __attribute__ ((packed)); 1914} __attribute__ ((packed)); 1915 1916struct v4l2_ext_controls { 1917 union { 1918#ifndef __KERNEL__ 1919 __u32 ctrl_class; 1920#endif 1921 __u32 which; 1922 }; 1923 __u32 count; 1924 __u32 error_idx; 1925 __s32 request_fd; 1926 __u32 reserved[1]; 1927 struct v4l2_ext_control *controls; 1928}; 1929 1930#define V4L2_CTRL_ID_MASK (0x0fffffff) 1931#ifndef __KERNEL__ 1932#define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1933#endif 1934#define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL) 1935#define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1936#define V4L2_CTRL_MAX_DIMS (4) 1937#define V4L2_CTRL_WHICH_CUR_VAL 0 1938#define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000 1939#define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000 1940#define V4L2_CTRL_WHICH_MIN_VAL 0x0f020000 1941#define V4L2_CTRL_WHICH_MAX_VAL 0x0f030000 1942 1943enum v4l2_ctrl_type { 1944 V4L2_CTRL_TYPE_INTEGER = 1, 1945 V4L2_CTRL_TYPE_BOOLEAN = 2, 1946 V4L2_CTRL_TYPE_MENU = 3, 1947 V4L2_CTRL_TYPE_BUTTON = 4, 1948 V4L2_CTRL_TYPE_INTEGER64 = 5, 1949 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1950 V4L2_CTRL_TYPE_STRING = 7, 1951 V4L2_CTRL_TYPE_BITMASK = 8, 1952 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1953 1954 /* Compound types are >= 0x0100 */ 1955 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1956 V4L2_CTRL_TYPE_U8 = 0x0100, 1957 V4L2_CTRL_TYPE_U16 = 0x0101, 1958 V4L2_CTRL_TYPE_U32 = 0x0102, 1959 V4L2_CTRL_TYPE_AREA = 0x0106, 1960 V4L2_CTRL_TYPE_RECT = 0x0107, 1961 1962 V4L2_CTRL_TYPE_HDR10_CLL_INFO = 0x0110, 1963 V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY = 0x0111, 1964 1965 V4L2_CTRL_TYPE_H264_SPS = 0x0200, 1966 V4L2_CTRL_TYPE_H264_PPS = 0x0201, 1967 V4L2_CTRL_TYPE_H264_SCALING_MATRIX = 0x0202, 1968 V4L2_CTRL_TYPE_H264_SLICE_PARAMS = 0x0203, 1969 V4L2_CTRL_TYPE_H264_DECODE_PARAMS = 0x0204, 1970 V4L2_CTRL_TYPE_H264_PRED_WEIGHTS = 0x0205, 1971 1972 V4L2_CTRL_TYPE_FWHT_PARAMS = 0x0220, 1973 1974 V4L2_CTRL_TYPE_VP8_FRAME = 0x0240, 1975 1976 V4L2_CTRL_TYPE_MPEG2_QUANTISATION = 0x0250, 1977 V4L2_CTRL_TYPE_MPEG2_SEQUENCE = 0x0251, 1978 V4L2_CTRL_TYPE_MPEG2_PICTURE = 0x0252, 1979 1980 V4L2_CTRL_TYPE_VP9_COMPRESSED_HDR = 0x0260, 1981 V4L2_CTRL_TYPE_VP9_FRAME = 0x0261, 1982 1983 V4L2_CTRL_TYPE_HEVC_SPS = 0x0270, 1984 V4L2_CTRL_TYPE_HEVC_PPS = 0x0271, 1985 V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS = 0x0272, 1986 V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX = 0x0273, 1987 V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS = 0x0274, 1988 1989 V4L2_CTRL_TYPE_AV1_SEQUENCE = 0x280, 1990 V4L2_CTRL_TYPE_AV1_TILE_GROUP_ENTRY = 0x281, 1991 V4L2_CTRL_TYPE_AV1_FRAME = 0x282, 1992 V4L2_CTRL_TYPE_AV1_FILM_GRAIN = 0x283, 1993}; 1994 1995/* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1996struct v4l2_queryctrl { 1997 __u32 id; 1998 __u32 type; /* enum v4l2_ctrl_type */ 1999 __u8 name[32]; /* Whatever */ 2000 __s32 minimum; /* Note signedness */ 2001 __s32 maximum; 2002 __s32 step; 2003 __s32 default_value; 2004 __u32 flags; 2005 __u32 reserved[2]; 2006}; 2007 2008/* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 2009struct v4l2_query_ext_ctrl { 2010 __u32 id; 2011 __u32 type; 2012 char name[32]; 2013 __s64 minimum; 2014 __s64 maximum; 2015 __u64 step; 2016 __s64 default_value; 2017 __u32 flags; 2018 __u32 elem_size; 2019 __u32 elems; 2020 __u32 nr_of_dims; 2021 __u32 dims[V4L2_CTRL_MAX_DIMS]; 2022 __u32 reserved[32]; 2023}; 2024 2025/* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 2026struct v4l2_querymenu { 2027 __u32 id; 2028 __u32 index; 2029 union { 2030 __u8 name[32]; /* Whatever */ 2031 __s64 value; 2032 }; 2033 __u32 reserved; 2034} __attribute__ ((packed)); 2035 2036/* Control flags */ 2037#define V4L2_CTRL_FLAG_DISABLED 0x0001 2038#define V4L2_CTRL_FLAG_GRABBED 0x0002 2039#define V4L2_CTRL_FLAG_READ_ONLY 0x0004 2040#define V4L2_CTRL_FLAG_UPDATE 0x0008 2041#define V4L2_CTRL_FLAG_INACTIVE 0x0010 2042#define V4L2_CTRL_FLAG_SLIDER 0x0020 2043#define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 2044#define V4L2_CTRL_FLAG_VOLATILE 0x0080 2045#define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 2046#define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 2047#define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400 2048#define V4L2_CTRL_FLAG_DYNAMIC_ARRAY 0x0800 2049#define V4L2_CTRL_FLAG_HAS_WHICH_MIN_MAX 0x1000 2050 2051/* Query flags, to be ORed with the control ID */ 2052#define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 2053#define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 2054 2055/* User-class control IDs defined by V4L2 */ 2056#define V4L2_CID_MAX_CTRLS 1024 2057/* IDs reserved for driver specific controls */ 2058#define V4L2_CID_PRIVATE_BASE 0x08000000 2059 2060 2061/* 2062 * T U N I N G 2063 */ 2064struct v4l2_tuner { 2065 __u32 index; 2066 __u8 name[32]; 2067 __u32 type; /* enum v4l2_tuner_type */ 2068 __u32 capability; 2069 __u32 rangelow; 2070 __u32 rangehigh; 2071 __u32 rxsubchans; 2072 __u32 audmode; 2073 __s32 signal; 2074 __s32 afc; 2075 __u32 reserved[4]; 2076}; 2077 2078struct v4l2_modulator { 2079 __u32 index; 2080 __u8 name[32]; 2081 __u32 capability; 2082 __u32 rangelow; 2083 __u32 rangehigh; 2084 __u32 txsubchans; 2085 __u32 type; /* enum v4l2_tuner_type */ 2086 __u32 reserved[3]; 2087}; 2088 2089/* Flags for the 'capability' field */ 2090#define V4L2_TUNER_CAP_LOW 0x0001 2091#define V4L2_TUNER_CAP_NORM 0x0002 2092#define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 2093#define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 2094#define V4L2_TUNER_CAP_STEREO 0x0010 2095#define V4L2_TUNER_CAP_LANG2 0x0020 2096#define V4L2_TUNER_CAP_SAP 0x0020 2097#define V4L2_TUNER_CAP_LANG1 0x0040 2098#define V4L2_TUNER_CAP_RDS 0x0080 2099#define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 2100#define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 2101#define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 2102#define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 2103#define V4L2_TUNER_CAP_1HZ 0x1000 2104 2105/* Flags for the 'rxsubchans' field */ 2106#define V4L2_TUNER_SUB_MONO 0x0001 2107#define V4L2_TUNER_SUB_STEREO 0x0002 2108#define V4L2_TUNER_SUB_LANG2 0x0004 2109#define V4L2_TUNER_SUB_SAP 0x0004 2110#define V4L2_TUNER_SUB_LANG1 0x0008 2111#define V4L2_TUNER_SUB_RDS 0x0010 2112 2113/* Values for the 'audmode' field */ 2114#define V4L2_TUNER_MODE_MONO 0x0000 2115#define V4L2_TUNER_MODE_STEREO 0x0001 2116#define V4L2_TUNER_MODE_LANG2 0x0002 2117#define V4L2_TUNER_MODE_SAP 0x0002 2118#define V4L2_TUNER_MODE_LANG1 0x0003 2119#define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 2120 2121struct v4l2_frequency { 2122 __u32 tuner; 2123 __u32 type; /* enum v4l2_tuner_type */ 2124 __u32 frequency; 2125 __u32 reserved[8]; 2126}; 2127 2128#define V4L2_BAND_MODULATION_VSB (1 << 1) 2129#define V4L2_BAND_MODULATION_FM (1 << 2) 2130#define V4L2_BAND_MODULATION_AM (1 << 3) 2131 2132struct v4l2_frequency_band { 2133 __u32 tuner; 2134 __u32 type; /* enum v4l2_tuner_type */ 2135 __u32 index; 2136 __u32 capability; 2137 __u32 rangelow; 2138 __u32 rangehigh; 2139 __u32 modulation; 2140 __u32 reserved[9]; 2141}; 2142 2143struct v4l2_hw_freq_seek { 2144 __u32 tuner; 2145 __u32 type; /* enum v4l2_tuner_type */ 2146 __u32 seek_upward; 2147 __u32 wrap_around; 2148 __u32 spacing; 2149 __u32 rangelow; 2150 __u32 rangehigh; 2151 __u32 reserved[5]; 2152}; 2153 2154/* 2155 * R D S 2156 */ 2157 2158struct v4l2_rds_data { 2159 __u8 lsb; 2160 __u8 msb; 2161 __u8 block; 2162} __attribute__ ((packed)); 2163 2164#define V4L2_RDS_BLOCK_MSK 0x7 2165#define V4L2_RDS_BLOCK_A 0 2166#define V4L2_RDS_BLOCK_B 1 2167#define V4L2_RDS_BLOCK_C 2 2168#define V4L2_RDS_BLOCK_D 3 2169#define V4L2_RDS_BLOCK_C_ALT 4 2170#define V4L2_RDS_BLOCK_INVALID 7 2171 2172#define V4L2_RDS_BLOCK_CORRECTED 0x40 2173#define V4L2_RDS_BLOCK_ERROR 0x80 2174 2175/* 2176 * A U D I O 2177 */ 2178struct v4l2_audio { 2179 __u32 index; 2180 __u8 name[32]; 2181 __u32 capability; 2182 __u32 mode; 2183 __u32 reserved[2]; 2184}; 2185 2186/* Flags for the 'capability' field */ 2187#define V4L2_AUDCAP_STEREO 0x00001 2188#define V4L2_AUDCAP_AVL 0x00002 2189 2190/* Flags for the 'mode' field */ 2191#define V4L2_AUDMODE_AVL 0x00001 2192 2193struct v4l2_audioout { 2194 __u32 index; 2195 __u8 name[32]; 2196 __u32 capability; 2197 __u32 mode; 2198 __u32 reserved[2]; 2199}; 2200 2201/* 2202 * M P E G S E R V I C E S 2203 */ 2204#if 1 2205#define V4L2_ENC_IDX_FRAME_I (0) 2206#define V4L2_ENC_IDX_FRAME_P (1) 2207#define V4L2_ENC_IDX_FRAME_B (2) 2208#define V4L2_ENC_IDX_FRAME_MASK (0xf) 2209 2210struct v4l2_enc_idx_entry { 2211 __u64 offset; 2212 __u64 pts; 2213 __u32 length; 2214 __u32 flags; 2215 __u32 reserved[2]; 2216}; 2217 2218#define V4L2_ENC_IDX_ENTRIES (64) 2219struct v4l2_enc_idx { 2220 __u32 entries; 2221 __u32 entries_cap; 2222 __u32 reserved[4]; 2223 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 2224}; 2225 2226 2227#define V4L2_ENC_CMD_START (0) 2228#define V4L2_ENC_CMD_STOP (1) 2229#define V4L2_ENC_CMD_PAUSE (2) 2230#define V4L2_ENC_CMD_RESUME (3) 2231 2232/* Flags for V4L2_ENC_CMD_STOP */ 2233#define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 2234 2235struct v4l2_encoder_cmd { 2236 __u32 cmd; 2237 __u32 flags; 2238 union { 2239 struct { 2240 __u32 data[8]; 2241 } raw; 2242 }; 2243}; 2244 2245/* Decoder commands */ 2246#define V4L2_DEC_CMD_START (0) 2247#define V4L2_DEC_CMD_STOP (1) 2248#define V4L2_DEC_CMD_PAUSE (2) 2249#define V4L2_DEC_CMD_RESUME (3) 2250#define V4L2_DEC_CMD_FLUSH (4) 2251 2252/* Flags for V4L2_DEC_CMD_START */ 2253#define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 2254 2255/* Flags for V4L2_DEC_CMD_PAUSE */ 2256#define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 2257 2258/* Flags for V4L2_DEC_CMD_STOP */ 2259#define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 2260#define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 2261 2262/* Play format requirements (returned by the driver): */ 2263 2264/* The decoder has no special format requirements */ 2265#define V4L2_DEC_START_FMT_NONE (0) 2266/* The decoder requires full GOPs */ 2267#define V4L2_DEC_START_FMT_GOP (1) 2268 2269/* The structure must be zeroed before use by the application 2270 This ensures it can be extended safely in the future. */ 2271struct v4l2_decoder_cmd { 2272 __u32 cmd; 2273 __u32 flags; 2274 union { 2275 struct { 2276 __u64 pts; 2277 } stop; 2278 2279 struct { 2280 /* 0 or 1000 specifies normal speed, 2281 1 specifies forward single stepping, 2282 -1 specifies backward single stepping, 2283 >1: playback at speed/1000 of the normal speed, 2284 <-1: reverse playback at (-speed/1000) of the normal speed. */ 2285 __s32 speed; 2286 __u32 format; 2287 } start; 2288 2289 struct { 2290 __u32 data[16]; 2291 } raw; 2292 }; 2293}; 2294#endif 2295 2296 2297/* 2298 * D A T A S E R V I C E S ( V B I ) 2299 * 2300 * Data services API by Michael Schimek 2301 */ 2302 2303/* Raw VBI */ 2304struct v4l2_vbi_format { 2305 __u32 sampling_rate; /* in 1 Hz */ 2306 __u32 offset; 2307 __u32 samples_per_line; 2308 __u32 sample_format; /* V4L2_PIX_FMT_* */ 2309 __s32 start[2]; 2310 __u32 count[2]; 2311 __u32 flags; /* V4L2_VBI_* */ 2312 __u32 reserved[2]; /* must be zero */ 2313}; 2314 2315/* VBI flags */ 2316#define V4L2_VBI_UNSYNC (1 << 0) 2317#define V4L2_VBI_INTERLACED (1 << 1) 2318 2319/* ITU-R start lines for each field */ 2320#define V4L2_VBI_ITU_525_F1_START (1) 2321#define V4L2_VBI_ITU_525_F2_START (264) 2322#define V4L2_VBI_ITU_625_F1_START (1) 2323#define V4L2_VBI_ITU_625_F2_START (314) 2324 2325/* Sliced VBI 2326 * 2327 * This implements is a proposal V4L2 API to allow SLICED VBI 2328 * required for some hardware encoders. It should change without 2329 * notice in the definitive implementation. 2330 */ 2331 2332struct v4l2_sliced_vbi_format { 2333 __u16 service_set; 2334 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2335 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2336 (equals frame lines 313-336 for 625 line video 2337 standards, 263-286 for 525 line standards) */ 2338 __u16 service_lines[2][24]; 2339 __u32 io_size; 2340 __u32 reserved[2]; /* must be zero */ 2341}; 2342 2343/* Teletext World System Teletext 2344 (WST), defined on ITU-R BT.653-2 */ 2345#define V4L2_SLICED_TELETEXT_B (0x0001) 2346/* Video Program System, defined on ETS 300 231*/ 2347#define V4L2_SLICED_VPS (0x0400) 2348/* Closed Caption, defined on EIA-608 */ 2349#define V4L2_SLICED_CAPTION_525 (0x1000) 2350/* Wide Screen System, defined on ITU-R BT1119.1 */ 2351#define V4L2_SLICED_WSS_625 (0x4000) 2352 2353#define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 2354#define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 2355 2356struct v4l2_sliced_vbi_cap { 2357 __u16 service_set; 2358 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2359 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2360 (equals frame lines 313-336 for 625 line video 2361 standards, 263-286 for 525 line standards) */ 2362 __u16 service_lines[2][24]; 2363 __u32 type; /* enum v4l2_buf_type */ 2364 __u32 reserved[3]; /* must be 0 */ 2365}; 2366 2367struct v4l2_sliced_vbi_data { 2368 __u32 id; 2369 __u32 field; /* 0: first field, 1: second field */ 2370 __u32 line; /* 1-23 */ 2371 __u32 reserved; /* must be 0 */ 2372 __u8 data[48]; 2373}; 2374 2375/* 2376 * Sliced VBI data inserted into MPEG Streams 2377 */ 2378 2379/* 2380 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 2381 * 2382 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 2383 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 2384 * data 2385 * 2386 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 2387 * definitions are not included here. See the MPEG-2 specifications for details 2388 * on these headers. 2389 */ 2390 2391/* Line type IDs */ 2392#define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 2393#define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 2394#define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 2395#define V4L2_MPEG_VBI_IVTV_VPS (7) 2396 2397struct v4l2_mpeg_vbi_itv0_line { 2398 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 2399 __u8 data[42]; /* Sliced VBI data for the line */ 2400} __attribute__ ((packed)); 2401 2402struct v4l2_mpeg_vbi_itv0 { 2403 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 2404 struct v4l2_mpeg_vbi_itv0_line line[35]; 2405} __attribute__ ((packed)); 2406 2407struct v4l2_mpeg_vbi_ITV0 { 2408 struct v4l2_mpeg_vbi_itv0_line line[36]; 2409} __attribute__ ((packed)); 2410 2411#define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 2412#define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 2413 2414struct v4l2_mpeg_vbi_fmt_ivtv { 2415 __u8 magic[4]; 2416 union { 2417 struct v4l2_mpeg_vbi_itv0 itv0; 2418 struct v4l2_mpeg_vbi_ITV0 ITV0; 2419 }; 2420} __attribute__ ((packed)); 2421 2422/* 2423 * A G G R E G A T E S T R U C T U R E S 2424 */ 2425 2426/** 2427 * struct v4l2_plane_pix_format - additional, per-plane format definition 2428 * @sizeimage: maximum size in bytes required for data, for which 2429 * this plane will be used 2430 * @bytesperline: distance in bytes between the leftmost pixels in two 2431 * adjacent lines 2432 * @reserved: drivers and applications must zero this array 2433 */ 2434struct v4l2_plane_pix_format { 2435 __u32 sizeimage; 2436 __u32 bytesperline; 2437 __u16 reserved[6]; 2438} __attribute__ ((packed)); 2439 2440/** 2441 * struct v4l2_pix_format_mplane - multiplanar format definition 2442 * @width: image width in pixels 2443 * @height: image height in pixels 2444 * @pixelformat: little endian four character code (fourcc) 2445 * @field: enum v4l2_field; field order (for interlaced video) 2446 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 2447 * @plane_fmt: per-plane information 2448 * @num_planes: number of planes for this format 2449 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 2450 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding 2451 * @hsv_enc: enum v4l2_hsv_encoding, HSV encoding 2452 * @quantization: enum v4l2_quantization, colorspace quantization 2453 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function 2454 * @reserved: drivers and applications must zero this array 2455 */ 2456struct v4l2_pix_format_mplane { 2457 __u32 width; 2458 __u32 height; 2459 __u32 pixelformat; 2460 __u32 field; 2461 __u32 colorspace; 2462 2463 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 2464 __u8 num_planes; 2465 __u8 flags; 2466 union { 2467 __u8 ycbcr_enc; 2468 __u8 hsv_enc; 2469 }; 2470 __u8 quantization; 2471 __u8 xfer_func; 2472 __u8 reserved[7]; 2473} __attribute__ ((packed)); 2474 2475/** 2476 * struct v4l2_sdr_format - SDR format definition 2477 * @pixelformat: little endian four character code (fourcc) 2478 * @buffersize: maximum size in bytes required for data 2479 * @reserved: drivers and applications must zero this array 2480 */ 2481struct v4l2_sdr_format { 2482 __u32 pixelformat; 2483 __u32 buffersize; 2484 __u8 reserved[24]; 2485} __attribute__ ((packed)); 2486 2487/** 2488 * struct v4l2_meta_format - metadata format definition 2489 * @dataformat: little endian four character code (fourcc) 2490 * @buffersize: maximum size in bytes required for data 2491 * @width: number of data units of data per line (valid for line 2492 * based formats only, see format documentation) 2493 * @height: number of lines of data per buffer (valid for line based 2494 * formats only) 2495 * @bytesperline: offset between the beginnings of two adjacent lines in 2496 * bytes (valid for line based formats only) 2497 */ 2498struct v4l2_meta_format { 2499 __u32 dataformat; 2500 __u32 buffersize; 2501 __u32 width; 2502 __u32 height; 2503 __u32 bytesperline; 2504} __attribute__ ((packed)); 2505 2506/** 2507 * struct v4l2_format - stream data format 2508 * @type: enum v4l2_buf_type; type of the data stream 2509 * @fmt.pix: definition of an image format 2510 * @fmt.pix_mp: definition of a multiplanar image format 2511 * @fmt.win: definition of an overlaid image 2512 * @fmt.vbi: raw VBI capture or output parameters 2513 * @fmt.sliced: sliced VBI capture or output parameters 2514 * @fmt.raw_data: placeholder for future extensions and custom formats 2515 * @fmt: union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr, 2516 * @meta and @raw_data 2517 */ 2518struct v4l2_format { 2519 __u32 type; 2520 union { 2521 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 2522 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 2523 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 2524 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 2525 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 2526 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 2527 struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */ 2528 __u8 raw_data[200]; /* user-defined */ 2529 } fmt; 2530}; 2531 2532/* Stream type-dependent parameters 2533 */ 2534struct v4l2_streamparm { 2535 __u32 type; /* enum v4l2_buf_type */ 2536 union { 2537 struct v4l2_captureparm capture; 2538 struct v4l2_outputparm output; 2539 __u8 raw_data[200]; /* user-defined */ 2540 } parm; 2541}; 2542 2543/* 2544 * E V E N T S 2545 */ 2546 2547#define V4L2_EVENT_ALL 0 2548#define V4L2_EVENT_VSYNC 1 2549#define V4L2_EVENT_EOS 2 2550#define V4L2_EVENT_CTRL 3 2551#define V4L2_EVENT_FRAME_SYNC 4 2552#define V4L2_EVENT_SOURCE_CHANGE 5 2553#define V4L2_EVENT_MOTION_DET 6 2554#define V4L2_EVENT_PRIVATE_START 0x08000000 2555 2556/* Payload for V4L2_EVENT_VSYNC */ 2557struct v4l2_event_vsync { 2558 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 2559 __u8 field; 2560} __attribute__ ((packed)); 2561 2562/* Payload for V4L2_EVENT_CTRL */ 2563#define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 2564#define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 2565#define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 2566#define V4L2_EVENT_CTRL_CH_DIMENSIONS (1 << 3) 2567 2568struct v4l2_event_ctrl { 2569 __u32 changes; 2570 __u32 type; 2571 union { 2572 __s32 value; 2573 __s64 value64; 2574 }; 2575 __u32 flags; 2576 __s32 minimum; 2577 __s32 maximum; 2578 __s32 step; 2579 __s32 default_value; 2580}; 2581 2582struct v4l2_event_frame_sync { 2583 __u32 frame_sequence; 2584}; 2585 2586#define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 2587 2588struct v4l2_event_src_change { 2589 __u32 changes; 2590}; 2591 2592#define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 2593 2594/** 2595 * struct v4l2_event_motion_det - motion detection event 2596 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 2597 * frame_sequence field is valid. 2598 * @frame_sequence: the frame sequence number associated with this event. 2599 * @region_mask: which regions detected motion. 2600 */ 2601struct v4l2_event_motion_det { 2602 __u32 flags; 2603 __u32 frame_sequence; 2604 __u32 region_mask; 2605}; 2606 2607struct v4l2_event { 2608 __u32 type; 2609 union { 2610 struct v4l2_event_vsync vsync; 2611 struct v4l2_event_ctrl ctrl; 2612 struct v4l2_event_frame_sync frame_sync; 2613 struct v4l2_event_src_change src_change; 2614 struct v4l2_event_motion_det motion_det; 2615 __u8 data[64]; 2616 } u; 2617 __u32 pending; 2618 __u32 sequence; 2619#ifdef __KERNEL__ 2620 struct __kernel_timespec timestamp; 2621#else 2622 struct timespec timestamp; 2623#endif 2624 __u32 id; 2625 __u32 reserved[8]; 2626}; 2627 2628#define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2629#define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2630 2631struct v4l2_event_subscription { 2632 __u32 type; 2633 __u32 id; 2634 __u32 flags; 2635 __u32 reserved[5]; 2636}; 2637 2638/* 2639 * A D V A N C E D D E B U G G I N G 2640 * 2641 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2642 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2643 */ 2644 2645/* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2646 2647#define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2648#define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2649 2650/* The following four defines are no longer in use */ 2651#define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2652#define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2653#define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2654#define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2655 2656struct v4l2_dbg_match { 2657 __u32 type; /* Match type */ 2658 union { /* Match this chip, meaning determined by type */ 2659 __u32 addr; 2660 char name[32]; 2661 }; 2662} __attribute__ ((packed)); 2663 2664struct v4l2_dbg_register { 2665 struct v4l2_dbg_match match; 2666 __u32 size; /* register size in bytes */ 2667 __u64 reg; 2668 __u64 val; 2669} __attribute__ ((packed)); 2670 2671#define V4L2_CHIP_FL_READABLE (1 << 0) 2672#define V4L2_CHIP_FL_WRITABLE (1 << 1) 2673 2674/* VIDIOC_DBG_G_CHIP_INFO */ 2675struct v4l2_dbg_chip_info { 2676 struct v4l2_dbg_match match; 2677 char name[32]; 2678 __u32 flags; 2679 __u32 reserved[32]; 2680} __attribute__ ((packed)); 2681 2682/** 2683 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2684 * @index: on return, index of the first created buffer 2685 * @count: entry: number of requested buffers, 2686 * return: number of created buffers 2687 * @memory: enum v4l2_memory; buffer memory type 2688 * @format: frame format, for which buffers are requested 2689 * @capabilities: capabilities of this buffer type. 2690 * @flags: additional buffer management attributes (ignored unless the 2691 * queue has V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS capability 2692 * and configured for MMAP streaming I/O). 2693 * @max_num_buffers: if V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS capability flag is set 2694 * this field indicate the maximum possible number of buffers 2695 * for this queue. 2696 * @reserved: future extensions 2697 */ 2698struct v4l2_create_buffers { 2699 __u32 index; 2700 __u32 count; 2701 __u32 memory; 2702 struct v4l2_format format; 2703 __u32 capabilities; 2704 __u32 flags; 2705 __u32 max_num_buffers; 2706 __u32 reserved[5]; 2707}; 2708 2709/** 2710 * struct v4l2_remove_buffers - VIDIOC_REMOVE_BUFS argument 2711 * @index: the first buffer to be removed 2712 * @count: number of buffers to removed 2713 * @type: enum v4l2_buf_type 2714 * @reserved: future extensions 2715 */ 2716struct v4l2_remove_buffers { 2717 __u32 index; 2718 __u32 count; 2719 __u32 type; 2720 __u32 reserved[13]; 2721}; 2722 2723/* 2724 * 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 2725 * 2726 */ 2727#define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2728#define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2729#define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2730#define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2731#define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2732#define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2733#define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2734#define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2735#define VIDIOC_OVERLAY _IOW('V', 14, int) 2736#define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2737#define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2738#define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2739#define VIDIOC_STREAMON _IOW('V', 18, int) 2740#define VIDIOC_STREAMOFF _IOW('V', 19, int) 2741#define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2742#define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2743#define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2744#define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2745#define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2746#define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2747#define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2748#define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2749#define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2750#define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2751#define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2752#define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2753#define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2754#define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2755#define VIDIOC_G_INPUT _IOR('V', 38, int) 2756#define VIDIOC_S_INPUT _IOWR('V', 39, int) 2757#define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2758#define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2759#define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2760#define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2761#define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2762#define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2763#define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2764#define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2765#define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2766#define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2767#define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2768#define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2769#define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2770#define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2771#define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2772#define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2773#define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2774#define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2775#define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2776#define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2777#define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2778#define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2779#define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2780#define VIDIOC_LOG_STATUS _IO('V', 70) 2781#define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2782#define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2783#define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2784#define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2785#define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2786#define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2787#define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2788#define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2789 2790/* 2791 * Experimental, meant for debugging, testing and internal use. 2792 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2793 * You must be root to use these ioctls. Never use these in applications! 2794 */ 2795#define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2796#define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2797 2798#define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2799#define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2800#define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2801#define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2802#define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2803#define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2804#define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2805#define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2806#define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2807#define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2808#define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2809#define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2810#define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2811#define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2812#define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2813#define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2814 2815/* 2816 * Experimental, meant for debugging, testing and internal use. 2817 * Never use this in applications! 2818 */ 2819#define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2820 2821#define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2822#define VIDIOC_REMOVE_BUFS _IOWR('V', 104, struct v4l2_remove_buffers) 2823 2824 2825/* Reminder: when adding new ioctls please add support for them to 2826 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */ 2827 2828#define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2829 2830/* Deprecated definitions kept for backwards compatibility */ 2831#ifndef __KERNEL__ 2832#define V4L2_PIX_FMT_HM12 V4L2_PIX_FMT_NV12_16L16 2833#define V4L2_PIX_FMT_SUNXI_TILED_NV12 V4L2_PIX_FMT_NV12_32L32 2834/* 2835 * This capability was never implemented, anyone using this cap should drop it 2836 * from their code. 2837 */ 2838#define V4L2_CAP_ASYNCIO 0x02000000 2839#endif 2840 2841#endif /* _UAPI__LINUX_VIDEODEV2_H */
~/
Read-only file preview.