1/* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */ 2/* 3 * Video for Linux Two header file 4 * 5 * Copyright (C) 1999-2012 the contributors 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * Alternatively you can redistribute this file under the terms of the 18 * BSD license as stated below: 19 * 20 * Redistribution and use in source and binary forms, with or without 21 * modification, are permitted provided that the following conditions 22 * are met: 23 * 1. Redistributions of source code must retain the above copyright 24 * notice, this list of conditions and the following disclaimer. 25 * 2. Redistributions in binary form must reproduce the above copyright 26 * notice, this list of conditions and the following disclaimer in 27 * the documentation and/or other materials provided with the 28 * distribution. 29 * 3. The names of its contributors may not be used to endorse or promote 30 * products derived from this software without specific prior written 31 * permission. 32 * 33 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 34 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 35 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 36 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 37 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 38 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 39 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 40 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 41 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 42 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 43 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 44 * 45 * Header file for v4l or V4L2 drivers and applications 46 * with public API. 47 * All kernel-specific stuff were moved to media/v4l2-dev.h, so 48 * no #if __KERNEL tests are allowed here 49 * 50 * See https://linuxtv.org for more info 51 * 52 * Author: Bill Dirks <bill@thedirks.org> 53 * Justin Schoeman 54 * Hans Verkuil <hverkuil@xs4all.nl> 55 * et al. 56 */ 57#ifndef _UAPI__LINUX_VIDEODEV2_H 58#define _UAPI__LINUX_VIDEODEV2_H 59 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 /* Deprecated, do not use */ 157 V4L2_BUF_TYPE_PRIVATE = 0x80, 158}; 159 160#define V4L2_TYPE_IS_MULTIPLANAR(type) \ 161 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \ 162 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 163 164#define V4L2_TYPE_IS_OUTPUT(type) \ 165 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \ 166 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \ 167 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \ 168 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \ 169 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \ 170 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \ 171 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT \ 172 || (type) == V4L2_BUF_TYPE_META_OUTPUT) 173 174#define V4L2_TYPE_IS_CAPTURE(type) (!V4L2_TYPE_IS_OUTPUT(type)) 175 176enum v4l2_tuner_type { 177 V4L2_TUNER_RADIO = 1, 178 V4L2_TUNER_ANALOG_TV = 2, 179 V4L2_TUNER_DIGITAL_TV = 3, 180 V4L2_TUNER_SDR = 4, 181 V4L2_TUNER_RF = 5, 182}; 183 184/* Deprecated, do not use */ 185#define V4L2_TUNER_ADC V4L2_TUNER_SDR 186 187enum v4l2_memory { 188 V4L2_MEMORY_MMAP = 1, 189 V4L2_MEMORY_USERPTR = 2, 190 V4L2_MEMORY_OVERLAY = 3, 191 V4L2_MEMORY_DMABUF = 4, 192}; 193 194/* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 195enum v4l2_colorspace { 196 /* 197 * Default colorspace, i.e. let the driver figure it out. 198 * Can only be used with video capture. 199 */ 200 V4L2_COLORSPACE_DEFAULT = 0, 201 202 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */ 203 V4L2_COLORSPACE_SMPTE170M = 1, 204 205 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */ 206 V4L2_COLORSPACE_SMPTE240M = 2, 207 208 /* Rec.709: used for HDTV */ 209 V4L2_COLORSPACE_REC709 = 3, 210 211 /* 212 * Deprecated, do not use. No driver will ever return this. This was 213 * based on a misunderstanding of the bt878 datasheet. 214 */ 215 V4L2_COLORSPACE_BT878 = 4, 216 217 /* 218 * NTSC 1953 colorspace. This only makes sense when dealing with 219 * really, really old NTSC recordings. Superseded by SMPTE 170M. 220 */ 221 V4L2_COLORSPACE_470_SYSTEM_M = 5, 222 223 /* 224 * EBU Tech 3213 PAL/SECAM colorspace. 225 */ 226 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 227 228 /* 229 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601 230 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG. 231 */ 232 V4L2_COLORSPACE_JPEG = 7, 233 234 /* For RGB colorspaces such as produces by most webcams. */ 235 V4L2_COLORSPACE_SRGB = 8, 236 237 /* opRGB colorspace */ 238 V4L2_COLORSPACE_OPRGB = 9, 239 240 /* BT.2020 colorspace, used for UHDTV. */ 241 V4L2_COLORSPACE_BT2020 = 10, 242 243 /* Raw colorspace: for RAW unprocessed images */ 244 V4L2_COLORSPACE_RAW = 11, 245 246 /* DCI-P3 colorspace, used by cinema projectors */ 247 V4L2_COLORSPACE_DCI_P3 = 12, 248 249#ifdef __KERNEL__ 250 /* 251 * Largest supported colorspace value, assigned by the compiler, used 252 * by the framework to check for invalid values. 253 */ 254 V4L2_COLORSPACE_LAST, 255#endif 256}; 257 258/* 259 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace. 260 * This depends on whether this is a SDTV image (use SMPTE 170M), an 261 * HDTV image (use Rec. 709), or something else (use sRGB). 262 */ 263#define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \ 264 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \ 265 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB)) 266 267enum v4l2_xfer_func { 268 /* 269 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions 270 * for the various colorspaces: 271 * 272 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 273 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and 274 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709 275 * 276 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB 277 * 278 * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB 279 * 280 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M 281 * 282 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE 283 * 284 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3 285 */ 286 V4L2_XFER_FUNC_DEFAULT = 0, 287 V4L2_XFER_FUNC_709 = 1, 288 V4L2_XFER_FUNC_SRGB = 2, 289 V4L2_XFER_FUNC_OPRGB = 3, 290 V4L2_XFER_FUNC_SMPTE240M = 4, 291 V4L2_XFER_FUNC_NONE = 5, 292 V4L2_XFER_FUNC_DCI_P3 = 6, 293 V4L2_XFER_FUNC_SMPTE2084 = 7, 294#ifdef __KERNEL__ 295 /* 296 * Largest supported transfer function value, assigned by the compiler, 297 * used by the framework to check for invalid values. 298 */ 299 V4L2_XFER_FUNC_LAST, 300#endif 301}; 302 303/* 304 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function. 305 * This depends on the colorspace. 306 */ 307#define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \ 308 ((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \ 309 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \ 310 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \ 311 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \ 312 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \ 313 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709))))) 314 315enum v4l2_ycbcr_encoding { 316 /* 317 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the 318 * various colorspaces: 319 * 320 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 321 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB, 322 * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601 323 * 324 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709 325 * 326 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020 327 * 328 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M 329 */ 330 V4L2_YCBCR_ENC_DEFAULT = 0, 331 332 /* ITU-R 601 -- SDTV */ 333 V4L2_YCBCR_ENC_601 = 1, 334 335 /* Rec. 709 -- HDTV */ 336 V4L2_YCBCR_ENC_709 = 2, 337 338 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */ 339 V4L2_YCBCR_ENC_XV601 = 3, 340 341 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */ 342 V4L2_YCBCR_ENC_XV709 = 4, 343 344#ifndef __KERNEL__ 345 /* 346 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added 347 * originally due to a misunderstanding of the sYCC standard. It should 348 * not be used, instead use V4L2_YCBCR_ENC_601. 349 */ 350 V4L2_YCBCR_ENC_SYCC = 5, 351#endif 352 353 /* BT.2020 Non-constant Luminance Y'CbCr */ 354 V4L2_YCBCR_ENC_BT2020 = 6, 355 356 /* BT.2020 Constant Luminance Y'CbcCrc */ 357 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7, 358 359 /* SMPTE 240M -- Obsolete HDTV */ 360 V4L2_YCBCR_ENC_SMPTE240M = 8, 361#ifdef __KERNEL__ 362 /* 363 * Largest supported encoding value, assigned by the compiler, used by 364 * the framework to check for invalid values. 365 */ 366 V4L2_YCBCR_ENC_LAST, 367#endif 368}; 369 370/* 371 * enum v4l2_hsv_encoding values should not collide with the ones from 372 * enum v4l2_ycbcr_encoding. 373 */ 374enum v4l2_hsv_encoding { 375 376 /* Hue mapped to 0 - 179 */ 377 V4L2_HSV_ENC_180 = 128, 378 379 /* Hue mapped to 0-255 */ 380 V4L2_HSV_ENC_256 = 129, 381}; 382 383/* 384 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding. 385 * This depends on the colorspace. 386 */ 387#define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \ 388 (((colsp) == V4L2_COLORSPACE_REC709 || \ 389 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \ 390 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \ 391 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \ 392 V4L2_YCBCR_ENC_601))) 393 394enum v4l2_quantization { 395 /* 396 * The default for R'G'B' quantization is always full range. 397 * For Y'CbCr the quantization is always limited range, except 398 * for COLORSPACE_JPEG: this is full range. 399 */ 400 V4L2_QUANTIZATION_DEFAULT = 0, 401 V4L2_QUANTIZATION_FULL_RANGE = 1, 402 V4L2_QUANTIZATION_LIM_RANGE = 2, 403}; 404 405/* 406 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization. 407 * This depends on whether the image is RGB or not, the colorspace. 408 * The Y'CbCr encoding is not used anymore, but is still there for backwards 409 * compatibility. 410 */ 411#define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \ 412 (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \ 413 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE) 414 415/* 416 * Deprecated names for opRGB colorspace (IEC 61966-2-5) 417 * 418 * WARNING: Please don't use these deprecated defines in your code, as 419 * there is a chance we have to remove them in the future. 420 */ 421#ifndef __KERNEL__ 422#define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB 423#define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB 424#endif 425 426enum v4l2_priority { 427 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 428 V4L2_PRIORITY_BACKGROUND = 1, 429 V4L2_PRIORITY_INTERACTIVE = 2, 430 V4L2_PRIORITY_RECORD = 3, 431 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 432}; 433 434struct v4l2_rect { 435 __s32 left; 436 __s32 top; 437 __u32 width; 438 __u32 height; 439}; 440 441struct v4l2_fract { 442 __u32 numerator; 443 __u32 denominator; 444}; 445 446struct v4l2_area { 447 __u32 width; 448 __u32 height; 449}; 450 451/** 452 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 453 * 454 * @driver: name of the driver module (e.g. "bttv") 455 * @card: name of the card (e.g. "Hauppauge WinTV") 456 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 457 * @version: KERNEL_VERSION 458 * @capabilities: capabilities of the physical device as a whole 459 * @device_caps: capabilities accessed via this particular device (node) 460 * @reserved: reserved fields for future extensions 461 */ 462struct v4l2_capability { 463 __u8 driver[16]; 464 __u8 card[32]; 465 __u8 bus_info[32]; 466 __u32 version; 467 __u32 capabilities; 468 __u32 device_caps; 469 __u32 reserved[3]; 470}; 471 472/* Values for 'capabilities' field */ 473#define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 474#define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 475#define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 476#define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 477#define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 478#define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 479#define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 480#define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 481#define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 482#define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 483#define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 484 485/* Is a video capture device that supports multiplanar formats */ 486#define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 487/* Is a video output device that supports multiplanar formats */ 488#define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 489/* Is a video mem-to-mem device that supports multiplanar formats */ 490#define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 491/* Is a video mem-to-mem device */ 492#define V4L2_CAP_VIDEO_M2M 0x00008000 493 494#define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 495#define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 496#define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 497#define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 498 499#define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */ 500#define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */ 501#define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */ 502#define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */ 503 504#define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 505#define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 506#define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */ 507 508#define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */ 509 510#define V4L2_CAP_IO_MC 0x20000000 /* Is input/output controlled by the media controller */ 511 512#define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 513 514/* 515 * V I D E O I M A G E F O R M A T 516 */ 517struct v4l2_pix_format { 518 __u32 width; 519 __u32 height; 520 __u32 pixelformat; 521 __u32 field; /* enum v4l2_field */ 522 __u32 bytesperline; /* for padding, zero if unused */ 523 __u32 sizeimage; 524 __u32 colorspace; /* enum v4l2_colorspace */ 525 __u32 priv; /* private data, depends on pixelformat */ 526 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ 527 union { 528 /* enum v4l2_ycbcr_encoding */ 529 __u32 ycbcr_enc; 530 /* enum v4l2_hsv_encoding */ 531 __u32 hsv_enc; 532 }; 533 __u32 quantization; /* enum v4l2_quantization */ 534 __u32 xfer_func; /* enum v4l2_xfer_func */ 535}; 536 537/* Pixel format FOURCC depth Description */ 538 539/* RGB formats (1 or 2 bytes per pixel) */ 540#define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 541#define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 542#define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */ 543#define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */ 544#define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2') /* 16 rrrrgggg bbbbaaaa */ 545#define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16 rrrrgggg bbbbxxxx */ 546#define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16 aaaabbbb ggggrrrr */ 547#define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16 xxxxbbbb ggggrrrr */ 548#define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('G', 'A', '1', '2') /* 16 bbbbgggg rrrraaaa */ 549#define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16 bbbbgggg rrrrxxxx */ 550#define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 551#define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */ 552#define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */ 553#define V4L2_PIX_FMT_RGBA555 v4l2_fourcc('R', 'A', '1', '5') /* 16 RGBA-5-5-5-1 */ 554#define V4L2_PIX_FMT_RGBX555 v4l2_fourcc('R', 'X', '1', '5') /* 16 RGBX-5-5-5-1 */ 555#define V4L2_PIX_FMT_ABGR555 v4l2_fourcc('A', 'B', '1', '5') /* 16 ABGR-1-5-5-5 */ 556#define V4L2_PIX_FMT_XBGR555 v4l2_fourcc('X', 'B', '1', '5') /* 16 XBGR-1-5-5-5 */ 557#define V4L2_PIX_FMT_BGRA555 v4l2_fourcc('B', 'A', '1', '5') /* 16 BGRA-5-5-5-1 */ 558#define V4L2_PIX_FMT_BGRX555 v4l2_fourcc('B', 'X', '1', '5') /* 16 BGRX-5-5-5-1 */ 559#define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 560#define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 561#define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */ 562#define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */ 563#define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 564 565/* RGB formats (3 or 4 bytes per pixel) */ 566#define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 567#define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 568#define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 569#define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 570#define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */ 571#define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */ 572#define V4L2_PIX_FMT_BGRA32 v4l2_fourcc('R', 'A', '2', '4') /* 32 ABGR-8-8-8-8 */ 573#define V4L2_PIX_FMT_BGRX32 v4l2_fourcc('R', 'X', '2', '4') /* 32 XBGR-8-8-8-8 */ 574#define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 575#define V4L2_PIX_FMT_RGBA32 v4l2_fourcc('A', 'B', '2', '4') /* 32 RGBA-8-8-8-8 */ 576#define V4L2_PIX_FMT_RGBX32 v4l2_fourcc('X', 'B', '2', '4') /* 32 RGBX-8-8-8-8 */ 577#define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */ 578#define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */ 579#define V4L2_PIX_FMT_RGBX1010102 v4l2_fourcc('R', 'X', '3', '0') /* 32 RGBX-10-10-10-2 */ 580#define V4L2_PIX_FMT_RGBA1010102 v4l2_fourcc('R', 'A', '3', '0') /* 32 RGBA-10-10-10-2 */ 581#define V4L2_PIX_FMT_ARGB2101010 v4l2_fourcc('A', 'R', '3', '0') /* 32 ARGB-2-10-10-10 */ 582 583/* RGB formats (6 or 8 bytes per pixel) */ 584#define V4L2_PIX_FMT_BGR48_12 v4l2_fourcc('B', '3', '1', '2') /* 48 BGR 12-bit per component */ 585#define V4L2_PIX_FMT_ABGR64_12 v4l2_fourcc('B', '4', '1', '2') /* 64 BGRA 12-bit per component */ 586 587/* Grey formats */ 588#define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 589#define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 590#define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 591#define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 592#define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 593#define V4L2_PIX_FMT_Y012 v4l2_fourcc('Y', '0', '1', '2') /* 12 Greyscale */ 594#define V4L2_PIX_FMT_Y14 v4l2_fourcc('Y', '1', '4', ' ') /* 14 Greyscale */ 595#define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 596#define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */ 597 598/* Grey bit-packed formats */ 599#define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 600#define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */ 601#define V4L2_PIX_FMT_IPU3_Y10 v4l2_fourcc('i', 'p', '3', 'y') /* IPU3 packed 10-bit greyscale */ 602#define V4L2_PIX_FMT_Y12P v4l2_fourcc('Y', '1', '2', 'P') /* 12 Greyscale, MIPI RAW12 packed */ 603#define V4L2_PIX_FMT_Y14P v4l2_fourcc('Y', '1', '4', 'P') /* 14 Greyscale, MIPI RAW14 packed */ 604 605/* Palette formats */ 606#define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 607 608/* Chrominance formats */ 609#define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 610 611/* Luminance+Chrominance formats */ 612#define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 613#define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 614#define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 615#define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 616#define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 617#define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 618#define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 619#define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 620#define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 621#define V4L2_PIX_FMT_YUV24 v4l2_fourcc('Y', 'U', 'V', '3') /* 24 YUV-8-8-8 */ 622#define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 623#define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */ 624#define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */ 625#define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */ 626#define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */ 627#define V4L2_PIX_FMT_YUVA32 v4l2_fourcc('Y', 'U', 'V', 'A') /* 32 YUVA-8-8-8-8 */ 628#define V4L2_PIX_FMT_YUVX32 v4l2_fourcc('Y', 'U', 'V', 'X') /* 32 YUVX-8-8-8-8 */ 629#define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 630#define V4L2_PIX_FMT_YUV48_12 v4l2_fourcc('Y', '3', '1', '2') /* 48 YUV 4:4:4 12-bit per component */ 631 632/* 633 * YCbCr packed format. For each Y2xx format, xx bits of valid data occupy the MSBs 634 * of the 16 bit components, and 16-xx bits of zero padding occupy the LSBs. 635 */ 636#define V4L2_PIX_FMT_Y210 v4l2_fourcc('Y', '2', '1', '0') /* 32 YUYV 4:2:2 */ 637#define V4L2_PIX_FMT_Y212 v4l2_fourcc('Y', '2', '1', '2') /* 32 YUYV 4:2:2 */ 638#define V4L2_PIX_FMT_Y216 v4l2_fourcc('Y', '2', '1', '6') /* 32 YUYV 4:2:2 */ 639 640/* two planes -- one Y, one Cr + Cb interleaved */ 641#define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 642#define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 643#define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 644#define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 645#define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 646#define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 647#define V4L2_PIX_FMT_P010 v4l2_fourcc('P', '0', '1', '0') /* 24 Y/CbCr 4:2:0 10-bit per component */ 648#define V4L2_PIX_FMT_P012 v4l2_fourcc('P', '0', '1', '2') /* 24 Y/CbCr 4:2:0 12-bit per component */ 649 650/* two non contiguous planes - one Y, one Cr + Cb interleaved */ 651#define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 652#define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 653#define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ 654#define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ 655#define V4L2_PIX_FMT_P012M v4l2_fourcc('P', 'M', '1', '2') /* 24 Y/CbCr 4:2:0 12-bit per component */ 656 657/* three planes - Y Cb, Cr */ 658#define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 659#define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 660#define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */ 661#define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 662#define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 663#define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 664 665/* three non contiguous planes - Y, Cb, Cr */ 666#define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 667#define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 668#define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */ 669#define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */ 670#define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */ 671#define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */ 672 673/* Tiled YUV formats */ 674#define V4L2_PIX_FMT_NV12_4L4 v4l2_fourcc('V', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 4x4 tiles */ 675#define V4L2_PIX_FMT_NV12_16L16 v4l2_fourcc('H', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */ 676#define V4L2_PIX_FMT_NV12_32L32 v4l2_fourcc('S', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 32x32 tiles */ 677#define V4L2_PIX_FMT_NV15_4L4 v4l2_fourcc('V', 'T', '1', '5') /* 15 Y/CbCr 4:2:0 10-bit 4x4 tiles */ 678#define V4L2_PIX_FMT_P010_4L4 v4l2_fourcc('T', '0', '1', '0') /* 12 Y/CbCr 4:2:0 10-bit 4x4 macroblocks */ 679#define V4L2_PIX_FMT_NV12_8L128 v4l2_fourcc('A', 'T', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */ 680#define V4L2_PIX_FMT_NV12_10BE_8L128 v4l2_fourcc_be('A', 'X', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */ 681 682/* Tiled YUV formats, non contiguous planes */ 683#define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 tiles */ 684#define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */ 685#define V4L2_PIX_FMT_NV12M_8L128 v4l2_fourcc('N', 'A', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */ 686#define V4L2_PIX_FMT_NV12M_10BE_8L128 v4l2_fourcc_be('N', 'T', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */ 687 688/* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 689#define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 690#define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 691#define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 692#define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 693#define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 694#define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 695#define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 696#define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 697 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ 698#define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') 699#define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') 700#define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') 701#define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') 702 /* 10bit raw bayer a-law compressed to 8 bits */ 703#define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 704#define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 705#define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 706#define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 707 /* 10bit raw bayer DPCM compressed to 8 bits */ 708#define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 709#define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 710#define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 711#define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 712#define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 713#define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 714#define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 715#define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 716 /* 12bit raw bayer packed, 6 bytes for every 4 pixels */ 717#define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C') 718#define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C') 719#define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C') 720#define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C') 721#define V4L2_PIX_FMT_SBGGR14 v4l2_fourcc('B', 'G', '1', '4') /* 14 BGBG.. GRGR.. */ 722#define V4L2_PIX_FMT_SGBRG14 v4l2_fourcc('G', 'B', '1', '4') /* 14 GBGB.. RGRG.. */ 723#define V4L2_PIX_FMT_SGRBG14 v4l2_fourcc('G', 'R', '1', '4') /* 14 GRGR.. BGBG.. */ 724#define V4L2_PIX_FMT_SRGGB14 v4l2_fourcc('R', 'G', '1', '4') /* 14 RGRG.. GBGB.. */ 725 /* 14bit raw bayer packed, 7 bytes for every 4 pixels */ 726#define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E') 727#define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E') 728#define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E') 729#define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E') 730#define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 731#define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */ 732#define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */ 733#define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */ 734 735/* HSV formats */ 736#define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3') 737#define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4') 738 739/* compressed formats */ 740#define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 741#define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 742#define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 743#define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 744#define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 745#define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 746#define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 747#define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 748#define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 749#define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 750#define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */ 751#define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 752#define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 753#define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 754#define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 755#define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 756#define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') /* VP8 parsed frame */ 757#define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */ 758#define V4L2_PIX_FMT_VP9_FRAME v4l2_fourcc('V', 'P', '9', 'F') /* VP9 parsed frame */ 759#define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */ 760#define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */ 761#define V4L2_PIX_FMT_FWHT_STATELESS v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */ 762#define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */ 763#define V4L2_PIX_FMT_HEVC_SLICE v4l2_fourcc('S', '2', '6', '5') /* HEVC parsed slices */ 764#define V4L2_PIX_FMT_AV1_FRAME v4l2_fourcc('A', 'V', '1', 'F') /* AV1 parsed frame */ 765#define V4L2_PIX_FMT_SPK v4l2_fourcc('S', 'P', 'K', '0') /* Sorenson Spark */ 766#define V4L2_PIX_FMT_RV30 v4l2_fourcc('R', 'V', '3', '0') /* RealVideo 8 */ 767#define V4L2_PIX_FMT_RV40 v4l2_fourcc('R', 'V', '4', '0') /* RealVideo 9 & 10 */ 768 769/* Vendor-specific formats */ 770#define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 771#define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 772#define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 773#define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 774#define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 775#define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 776#define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 777#define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 778#define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 779#define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 780#define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 781#define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 782#define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 783#define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 784#define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 785#define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 786#define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 787#define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 788#define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 789#define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 790#define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 791#define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 792#define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 793#define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 794#define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 795#define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 796#define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */ 797#define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */ 798#define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */ 799#define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */ 800#define V4L2_PIX_FMT_MM21 v4l2_fourcc('M', 'M', '2', '1') /* Mediatek 8-bit block mode, two non-contiguous planes */ 801#define V4L2_PIX_FMT_MT2110T v4l2_fourcc('M', 'T', '2', 'T') /* Mediatek 10-bit block tile mode */ 802#define V4L2_PIX_FMT_MT2110R v4l2_fourcc('M', 'T', '2', 'R') /* Mediatek 10-bit block raster mode */ 803#define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */ 804#define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */ 805#define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* BTTV 8-bit dithered RGB */ 806#define V4L2_PIX_FMT_QC08C v4l2_fourcc('Q', '0', '8', 'C') /* Qualcomm 8-bit compressed */ 807#define V4L2_PIX_FMT_QC10C v4l2_fourcc('Q', '1', '0', 'C') /* Qualcomm 10-bit compressed */ 808#define V4L2_PIX_FMT_AJPG v4l2_fourcc('A', 'J', 'P', 'G') /* Aspeed JPEG */ 809#define V4L2_PIX_FMT_HEXTILE v4l2_fourcc('H', 'X', 'T', 'L') /* Hextile compressed */ 810 811/* 10bit raw packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */ 812#define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */ 813#define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */ 814#define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */ 815#define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */ 816 817/* SDR formats - used only for Software Defined Radio devices */ 818#define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 819#define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 820#define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 821#define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 822#define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 823#define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */ 824#define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */ 825#define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */ 826 827/* Touch formats - used for Touch devices */ 828#define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */ 829#define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */ 830#define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */ 831#define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */ 832 833/* Meta-data formats */ 834#define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */ 835#define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */ 836#define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */ 837#define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */ 838#define V4L2_META_FMT_VIVID v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */ 839 840/* Vendor specific - used for RK_ISP1 camera sub-system */ 841#define V4L2_META_FMT_RK_ISP1_PARAMS v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */ 842#define V4L2_META_FMT_RK_ISP1_STAT_3A v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */ 843 844#ifdef __KERNEL__ 845/* 846 * Line-based metadata formats. Remember to update v4l_fill_fmtdesc() when 847 * adding new ones! 848 */ 849#define V4L2_META_FMT_GENERIC_8 v4l2_fourcc('M', 'E', 'T', '8') /* Generic 8-bit metadata */ 850#define V4L2_META_FMT_GENERIC_CSI2_10 v4l2_fourcc('M', 'C', '1', 'A') /* 10-bit CSI-2 packed 8-bit metadata */ 851#define V4L2_META_FMT_GENERIC_CSI2_12 v4l2_fourcc('M', 'C', '1', 'C') /* 12-bit CSI-2 packed 8-bit metadata */ 852#define V4L2_META_FMT_GENERIC_CSI2_14 v4l2_fourcc('M', 'C', '1', 'E') /* 14-bit CSI-2 packed 8-bit metadata */ 853#define V4L2_META_FMT_GENERIC_CSI2_16 v4l2_fourcc('M', 'C', '1', 'G') /* 16-bit CSI-2 packed 8-bit metadata */ 854#define V4L2_META_FMT_GENERIC_CSI2_20 v4l2_fourcc('M', 'C', '1', 'K') /* 20-bit CSI-2 packed 8-bit metadata */ 855#define V4L2_META_FMT_GENERIC_CSI2_24 v4l2_fourcc('M', 'C', '1', 'O') /* 24-bit CSI-2 packed 8-bit metadata */ 856#endif 857 858/* priv field value to indicates that subsequent fields are valid. */ 859#define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 860 861/* Flags */ 862#define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 863#define V4L2_PIX_FMT_FLAG_SET_CSC 0x00000002 864 865/* 866 * F O R M A T E N U M E R A T I O N 867 */ 868struct v4l2_fmtdesc { 869 __u32 index; /* Format number */ 870 __u32 type; /* enum v4l2_buf_type */ 871 __u32 flags; 872 __u8 description[32]; /* Description string */ 873 __u32 pixelformat; /* Format fourcc */ 874 __u32 mbus_code; /* Media bus code */ 875 __u32 reserved[3]; 876}; 877 878#define V4L2_FMT_FLAG_COMPRESSED 0x0001 879#define V4L2_FMT_FLAG_EMULATED 0x0002 880#define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM 0x0004 881#define V4L2_FMT_FLAG_DYN_RESOLUTION 0x0008 882#define V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL 0x0010 883#define V4L2_FMT_FLAG_CSC_COLORSPACE 0x0020 884#define V4L2_FMT_FLAG_CSC_XFER_FUNC 0x0040 885#define V4L2_FMT_FLAG_CSC_YCBCR_ENC 0x0080 886#define V4L2_FMT_FLAG_CSC_HSV_ENC V4L2_FMT_FLAG_CSC_YCBCR_ENC 887#define V4L2_FMT_FLAG_CSC_QUANTIZATION 0x0100 888#define V4L2_FMT_FLAG_META_LINE_BASED 0x0200 889 890 /* Frame Size and frame rate enumeration */ 891/* 892 * F R A M E S I Z E E N U M E R A T I O N 893 */ 894enum v4l2_frmsizetypes { 895 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 896 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 897 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 898}; 899 900struct v4l2_frmsize_discrete { 901 __u32 width; /* Frame width [pixel] */ 902 __u32 height; /* Frame height [pixel] */ 903}; 904 905struct v4l2_frmsize_stepwise { 906 __u32 min_width; /* Minimum frame width [pixel] */ 907 __u32 max_width; /* Maximum frame width [pixel] */ 908 __u32 step_width; /* Frame width step size [pixel] */ 909 __u32 min_height; /* Minimum frame height [pixel] */ 910 __u32 max_height; /* Maximum frame height [pixel] */ 911 __u32 step_height; /* Frame height step size [pixel] */ 912}; 913 914struct v4l2_frmsizeenum { 915 __u32 index; /* Frame size number */ 916 __u32 pixel_format; /* Pixel format */ 917 __u32 type; /* Frame size type the device supports. */ 918 919 union { /* Frame size */ 920 struct v4l2_frmsize_discrete discrete; 921 struct v4l2_frmsize_stepwise stepwise; 922 }; 923 924 __u32 reserved[2]; /* Reserved space for future use */ 925}; 926 927/* 928 * F R A M E R A T E E N U M E R A T I O N 929 */ 930enum v4l2_frmivaltypes { 931 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 932 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 933 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 934}; 935 936struct v4l2_frmival_stepwise { 937 struct v4l2_fract min; /* Minimum frame interval [s] */ 938 struct v4l2_fract max; /* Maximum frame interval [s] */ 939 struct v4l2_fract step; /* Frame interval step size [s] */ 940}; 941 942struct v4l2_frmivalenum { 943 __u32 index; /* Frame format index */ 944 __u32 pixel_format; /* Pixel format */ 945 __u32 width; /* Frame width */ 946 __u32 height; /* Frame height */ 947 __u32 type; /* Frame interval type the device supports. */ 948 949 union { /* Frame interval */ 950 struct v4l2_fract discrete; 951 struct v4l2_frmival_stepwise stepwise; 952 }; 953 954 __u32 reserved[2]; /* Reserved space for future use */ 955}; 956 957/* 958 * T I M E C O D E 959 */ 960struct v4l2_timecode { 961 __u32 type; 962 __u32 flags; 963 __u8 frames; 964 __u8 seconds; 965 __u8 minutes; 966 __u8 hours; 967 __u8 userbits[4]; 968}; 969 970/* Type */ 971#define V4L2_TC_TYPE_24FPS 1 972#define V4L2_TC_TYPE_25FPS 2 973#define V4L2_TC_TYPE_30FPS 3 974#define V4L2_TC_TYPE_50FPS 4 975#define V4L2_TC_TYPE_60FPS 5 976 977/* Flags */ 978#define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 979#define V4L2_TC_FLAG_COLORFRAME 0x0002 980#define V4L2_TC_USERBITS_field 0x000C 981#define V4L2_TC_USERBITS_USERDEFINED 0x0000 982#define V4L2_TC_USERBITS_8BITCHARS 0x0008 983/* The above is based on SMPTE timecodes */ 984 985struct v4l2_jpegcompression { 986 int quality; 987 988 int APPn; /* Number of APP segment to be written, 989 * must be 0..15 */ 990 int APP_len; /* Length of data in JPEG APPn segment */ 991 char APP_data[60]; /* Data in the JPEG APPn segment. */ 992 993 int COM_len; /* Length of data in JPEG COM segment */ 994 char COM_data[60]; /* Data in JPEG COM segment */ 995 996 __u32 jpeg_markers; /* Which markers should go into the JPEG 997 * output. Unless you exactly know what 998 * you do, leave them untouched. 999 * Including less markers will make the 1000 * resulting code smaller, but there will 1001 * be fewer applications which can read it. 1002 * The presence of the APP and COM marker 1003 * is influenced by APP_len and COM_len 1004 * ONLY, not by this property! */ 1005 1006#define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 1007#define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 1008#define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 1009#define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 1010#define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 1011 * always use APP0 */ 1012}; 1013 1014/* 1015 * M E M O R Y - M A P P I N G B U F F E R S 1016 */ 1017 1018#ifdef __KERNEL__ 1019/* 1020 * This corresponds to the user space version of timeval 1021 * for 64-bit time_t. sparc64 is different from everyone 1022 * else, using the microseconds in the wrong half of the 1023 * second 64-bit word. 1024 */ 1025struct __kernel_v4l2_timeval { 1026 long long tv_sec; 1027#if defined(__sparc__) && defined(__arch64__) 1028 int tv_usec; 1029 int __pad; 1030#else 1031 long long tv_usec; 1032#endif 1033}; 1034#endif 1035 1036struct v4l2_requestbuffers { 1037 __u32 count; 1038 __u32 type; /* enum v4l2_buf_type */ 1039 __u32 memory; /* enum v4l2_memory */ 1040 __u32 capabilities; 1041 __u8 flags; 1042 __u8 reserved[3]; 1043}; 1044 1045#define V4L2_MEMORY_FLAG_NON_COHERENT (1 << 0) 1046 1047/* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */ 1048#define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0) 1049#define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1) 1050#define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2) 1051#define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3) 1052#define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4) 1053#define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5) 1054#define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS (1 << 6) 1055#define V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS (1 << 7) 1056#define V4L2_BUF_CAP_SUPPORTS_REMOVE_BUFS (1 << 8) 1057 1058/** 1059 * struct v4l2_plane - plane info for multi-planar buffers 1060 * @bytesused: number of bytes occupied by data in the plane (payload) 1061 * @length: size of this plane (NOT the payload) in bytes 1062 * @m.mem_offset: when memory in the associated struct v4l2_buffer is 1063 * V4L2_MEMORY_MMAP, equals the offset from the start of 1064 * the device memory for this plane (or is a "cookie" that 1065 * should be passed to mmap() called on the video node) 1066 * @m.userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 1067 * pointing to this plane 1068 * @m.fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 1069 * descriptor associated with this plane 1070 * @m: union of @mem_offset, @userptr and @fd 1071 * @data_offset: offset in the plane to the start of data; usually 0, 1072 * unless there is a header in front of the data 1073 * @reserved: drivers and applications must zero this array 1074 * 1075 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 1076 * with two planes can have one plane for Y, and another for interleaved CbCr 1077 * components. Each plane can reside in a separate memory buffer, or even in 1078 * a completely separate memory node (e.g. in embedded devices). 1079 */ 1080struct v4l2_plane { 1081 __u32 bytesused; 1082 __u32 length; 1083 union { 1084 __u32 mem_offset; 1085 unsigned long userptr; 1086 __s32 fd; 1087 } m; 1088 __u32 data_offset; 1089 __u32 reserved[11]; 1090}; 1091 1092/** 1093 * struct v4l2_buffer - video buffer info 1094 * @index: id number of the buffer 1095 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 1096 * multiplanar buffers); 1097 * @bytesused: number of bytes occupied by data in the buffer (payload); 1098 * unused (set to 0) for multiplanar buffers 1099 * @flags: buffer informational flags 1100 * @field: enum v4l2_field; field order of the image in the buffer 1101 * @timestamp: frame timestamp 1102 * @timecode: frame timecode 1103 * @sequence: sequence count of this frame 1104 * @memory: enum v4l2_memory; the method, in which the actual video data is 1105 * passed 1106 * @m.offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 1107 * offset from the start of the device memory for this plane, 1108 * (or a "cookie" that should be passed to mmap() as offset) 1109 * @m.userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 1110 * a userspace pointer pointing to this buffer 1111 * @m.fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 1112 * a userspace file descriptor associated with this buffer 1113 * @m.planes: for multiplanar buffers; userspace pointer to the array of plane 1114 * info structs for this buffer 1115 * @m: union of @offset, @userptr, @planes and @fd 1116 * @length: size in bytes of the buffer (NOT its payload) for single-plane 1117 * buffers (when type != *_MPLANE); number of elements in the 1118 * planes array for multi-plane buffers 1119 * @reserved2: drivers and applications must zero this field 1120 * @request_fd: fd of the request that this buffer should use 1121 * @reserved: for backwards compatibility with applications that do not know 1122 * about @request_fd 1123 * 1124 * Contains data exchanged by application and driver using one of the Streaming 1125 * I/O methods. 1126 */ 1127struct v4l2_buffer { 1128 __u32 index; 1129 __u32 type; 1130 __u32 bytesused; 1131 __u32 flags; 1132 __u32 field; 1133#ifdef __KERNEL__ 1134 struct __kernel_v4l2_timeval timestamp; 1135#else 1136 struct timeval timestamp; 1137#endif 1138 struct v4l2_timecode timecode; 1139 __u32 sequence; 1140 1141 /* memory location */ 1142 __u32 memory; 1143 union { 1144 __u32 offset; 1145 unsigned long userptr; 1146 struct v4l2_plane *planes; 1147 __s32 fd; 1148 } m; 1149 __u32 length; 1150 __u32 reserved2; 1151 union { 1152 __s32 request_fd; 1153 __u32 reserved; 1154 }; 1155}; 1156 1157#ifndef __KERNEL__ 1158/** 1159 * v4l2_timeval_to_ns - Convert timeval to nanoseconds 1160 * @tv: pointer to the timeval variable to be converted 1161 * 1162 * Returns the scalar nanosecond representation of the timeval 1163 * parameter. 1164 */ 1165static inline __u64 v4l2_timeval_to_ns(const struct timeval *tv) 1166{ 1167 return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000; 1168} 1169#endif 1170 1171/* Flags for 'flags' field */ 1172/* Buffer is mapped (flag) */ 1173#define V4L2_BUF_FLAG_MAPPED 0x00000001 1174/* Buffer is queued for processing */ 1175#define V4L2_BUF_FLAG_QUEUED 0x00000002 1176/* Buffer is ready */ 1177#define V4L2_BUF_FLAG_DONE 0x00000004 1178/* Image is a keyframe (I-frame) */ 1179#define V4L2_BUF_FLAG_KEYFRAME 0x00000008 1180/* Image is a P-frame */ 1181#define V4L2_BUF_FLAG_PFRAME 0x00000010 1182/* Image is a B-frame */ 1183#define V4L2_BUF_FLAG_BFRAME 0x00000020 1184/* Buffer is ready, but the data contained within is corrupted. */ 1185#define V4L2_BUF_FLAG_ERROR 0x00000040 1186/* Buffer is added to an unqueued request */ 1187#define V4L2_BUF_FLAG_IN_REQUEST 0x00000080 1188/* timecode field is valid */ 1189#define V4L2_BUF_FLAG_TIMECODE 0x00000100 1190/* Don't return the capture buffer until OUTPUT timestamp changes */ 1191#define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF 0x00000200 1192/* Buffer is prepared for queuing */ 1193#define V4L2_BUF_FLAG_PREPARED 0x00000400 1194/* Cache handling flags */ 1195#define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 1196#define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 1197/* Timestamp type */ 1198#define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 1199#define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 1200#define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 1201#define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 1202/* Timestamp sources. */ 1203#define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 1204#define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 1205#define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 1206/* mem2mem encoder/decoder */ 1207#define V4L2_BUF_FLAG_LAST 0x00100000 1208/* request_fd is valid */ 1209#define V4L2_BUF_FLAG_REQUEST_FD 0x00800000 1210 1211/** 1212 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 1213 * 1214 * @index: id number of the buffer 1215 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 1216 * multiplanar buffers); 1217 * @plane: index of the plane to be exported, 0 for single plane queues 1218 * @flags: flags for newly created file, currently only O_CLOEXEC is 1219 * supported, refer to manual of open syscall for more details 1220 * @fd: file descriptor associated with DMABUF (set by driver) 1221 * @reserved: drivers and applications must zero this array 1222 * 1223 * Contains data used for exporting a video buffer as DMABUF file descriptor. 1224 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 1225 * (identical to the cookie used to mmap() the buffer to userspace). All 1226 * reserved fields must be set to zero. The field reserved0 is expected to 1227 * become a structure 'type' allowing an alternative layout of the structure 1228 * content. Therefore this field should not be used for any other extensions. 1229 */ 1230struct v4l2_exportbuffer { 1231 __u32 type; /* enum v4l2_buf_type */ 1232 __u32 index; 1233 __u32 plane; 1234 __u32 flags; 1235 __s32 fd; 1236 __u32 reserved[11]; 1237}; 1238 1239/* 1240 * O V E R L A Y P R E V I E W 1241 */ 1242struct v4l2_framebuffer { 1243 __u32 capability; 1244 __u32 flags; 1245/* FIXME: in theory we should pass something like PCI device + memory 1246 * region + offset instead of some physical address */ 1247 void *base; 1248 struct { 1249 __u32 width; 1250 __u32 height; 1251 __u32 pixelformat; 1252 __u32 field; /* enum v4l2_field */ 1253 __u32 bytesperline; /* for padding, zero if unused */ 1254 __u32 sizeimage; 1255 __u32 colorspace; /* enum v4l2_colorspace */ 1256 __u32 priv; /* reserved field, set to 0 */ 1257 } fmt; 1258}; 1259/* Flags for the 'capability' field. Read only */ 1260#define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 1261#define V4L2_FBUF_CAP_CHROMAKEY 0x0002 1262#ifndef __KERNEL__ 1263#define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 1264#define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 1265#endif 1266#define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 1267#define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 1268#define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 1269#define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 1270/* Flags for the 'flags' field. */ 1271#define V4L2_FBUF_FLAG_PRIMARY 0x0001 1272#define V4L2_FBUF_FLAG_OVERLAY 0x0002 1273#define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 1274#define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 1275#define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 1276#define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 1277#define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 1278 1279struct v4l2_clip { 1280 struct v4l2_rect c; 1281 struct v4l2_clip __user *next; 1282}; 1283 1284struct v4l2_window { 1285 struct v4l2_rect w; 1286 __u32 field; /* enum v4l2_field */ 1287 __u32 chromakey; 1288 struct v4l2_clip *clips; 1289 __u32 clipcount; 1290 void __user *bitmap; 1291 __u8 global_alpha; 1292}; 1293 1294/* 1295 * C A P T U R E P A R A M E T E R S 1296 */ 1297struct v4l2_captureparm { 1298 __u32 capability; /* Supported modes */ 1299 __u32 capturemode; /* Current mode */ 1300 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1301 __u32 extendedmode; /* Driver-specific extensions */ 1302 __u32 readbuffers; /* # of buffers for read */ 1303 __u32 reserved[4]; 1304}; 1305 1306/* Flags for 'capability' and 'capturemode' fields */ 1307#define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 1308#define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 1309 1310struct v4l2_outputparm { 1311 __u32 capability; /* Supported modes */ 1312 __u32 outputmode; /* Current mode */ 1313 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1314 __u32 extendedmode; /* Driver-specific extensions */ 1315 __u32 writebuffers; /* # of buffers for write */ 1316 __u32 reserved[4]; 1317}; 1318 1319/* 1320 * I N P U T I M A G E C R O P P I N G 1321 */ 1322struct v4l2_cropcap { 1323 __u32 type; /* enum v4l2_buf_type */ 1324 struct v4l2_rect bounds; 1325 struct v4l2_rect defrect; 1326 struct v4l2_fract pixelaspect; 1327}; 1328 1329struct v4l2_crop { 1330 __u32 type; /* enum v4l2_buf_type */ 1331 struct v4l2_rect c; 1332}; 1333 1334/** 1335 * struct v4l2_selection - selection info 1336 * @type: buffer type (do not use *_MPLANE types) 1337 * @target: Selection target, used to choose one of possible rectangles; 1338 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 1339 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 1340 * @r: coordinates of selection window 1341 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 1342 * 1343 * Hardware may use multiple helper windows to process a video stream. 1344 * The structure is used to exchange this selection areas between 1345 * an application and a driver. 1346 */ 1347struct v4l2_selection { 1348 __u32 type; 1349 __u32 target; 1350 __u32 flags; 1351 struct v4l2_rect r; 1352 __u32 reserved[9]; 1353}; 1354 1355 1356/* 1357 * A N A L O G V I D E O S T A N D A R D 1358 */ 1359 1360typedef __u64 v4l2_std_id; 1361 1362/* 1363 * Attention: Keep the V4L2_STD_* bit definitions in sync with 1364 * include/dt-bindings/display/sdtv-standards.h SDTV_STD_* bit definitions. 1365 */ 1366/* one bit for each */ 1367#define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 1368#define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 1369#define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 1370#define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 1371#define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 1372#define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 1373#define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 1374#define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 1375 1376#define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 1377#define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 1378#define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 1379#define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 1380 1381#define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 1382#define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 1383#define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 1384#define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 1385 1386#define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 1387#define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 1388#define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 1389#define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 1390#define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 1391#define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 1392#define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 1393#define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 1394 1395/* ATSC/HDTV */ 1396#define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 1397#define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 1398 1399/* FIXME: 1400 Although std_id is 64 bits, there is an issue on PPC32 architecture that 1401 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 1402 this value to 32 bits. 1403 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 1404 it should work fine. However, if needed to add more than two standards, 1405 v4l2-common.c should be fixed. 1406 */ 1407 1408/* 1409 * Some macros to merge video standards in order to make live easier for the 1410 * drivers and V4L2 applications 1411 */ 1412 1413/* 1414 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 1415 * Missing here. 1416 */ 1417#define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 1418 V4L2_STD_NTSC_M_JP |\ 1419 V4L2_STD_NTSC_M_KR) 1420/* Secam macros */ 1421#define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 1422 V4L2_STD_SECAM_K |\ 1423 V4L2_STD_SECAM_K1) 1424/* All Secam Standards */ 1425#define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 1426 V4L2_STD_SECAM_G |\ 1427 V4L2_STD_SECAM_H |\ 1428 V4L2_STD_SECAM_DK |\ 1429 V4L2_STD_SECAM_L |\ 1430 V4L2_STD_SECAM_LC) 1431/* PAL macros */ 1432#define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 1433 V4L2_STD_PAL_B1 |\ 1434 V4L2_STD_PAL_G) 1435#define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1436 V4L2_STD_PAL_D1 |\ 1437 V4L2_STD_PAL_K) 1438/* 1439 * "Common" PAL - This macro is there to be compatible with the old 1440 * V4L1 concept of "PAL": /BGDKHI. 1441 * Several PAL standards are missing here: /M, /N and /Nc 1442 */ 1443#define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1444 V4L2_STD_PAL_DK |\ 1445 V4L2_STD_PAL_H |\ 1446 V4L2_STD_PAL_I) 1447/* Chroma "agnostic" standards */ 1448#define V4L2_STD_B (V4L2_STD_PAL_B |\ 1449 V4L2_STD_PAL_B1 |\ 1450 V4L2_STD_SECAM_B) 1451#define V4L2_STD_G (V4L2_STD_PAL_G |\ 1452 V4L2_STD_SECAM_G) 1453#define V4L2_STD_H (V4L2_STD_PAL_H |\ 1454 V4L2_STD_SECAM_H) 1455#define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1456 V4L2_STD_SECAM_LC) 1457#define V4L2_STD_GH (V4L2_STD_G |\ 1458 V4L2_STD_H) 1459#define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1460 V4L2_STD_SECAM_DK) 1461#define V4L2_STD_BG (V4L2_STD_B |\ 1462 V4L2_STD_G) 1463#define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1464 V4L2_STD_PAL_N |\ 1465 V4L2_STD_PAL_Nc |\ 1466 V4L2_STD_NTSC) 1467 1468/* Standards where MTS/BTSC stereo could be found */ 1469#define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1470 V4L2_STD_PAL_M |\ 1471 V4L2_STD_PAL_N |\ 1472 V4L2_STD_PAL_Nc) 1473 1474/* Standards for Countries with 60Hz Line frequency */ 1475#define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1476 V4L2_STD_PAL_60 |\ 1477 V4L2_STD_NTSC |\ 1478 V4L2_STD_NTSC_443) 1479/* Standards for Countries with 50Hz Line frequency */ 1480#define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1481 V4L2_STD_PAL_N |\ 1482 V4L2_STD_PAL_Nc |\ 1483 V4L2_STD_SECAM) 1484 1485#define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1486 V4L2_STD_ATSC_16_VSB) 1487/* Macros with none and all analog standards */ 1488#define V4L2_STD_UNKNOWN 0 1489#define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1490 V4L2_STD_625_50) 1491 1492struct v4l2_standard { 1493 __u32 index; 1494 v4l2_std_id id; 1495 __u8 name[24]; 1496 struct v4l2_fract frameperiod; /* Frames, not fields */ 1497 __u32 framelines; 1498 __u32 reserved[4]; 1499}; 1500 1501/* 1502 * D V B T T I M I N G S 1503 */ 1504 1505/** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1506 * @width: total width of the active video in pixels 1507 * @height: total height of the active video in lines 1508 * @interlaced: Interlaced or progressive 1509 * @polarities: Positive or negative polarities 1510 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1511 * @hfrontporch:Horizontal front porch in pixels 1512 * @hsync: Horizontal Sync length in pixels 1513 * @hbackporch: Horizontal back porch in pixels 1514 * @vfrontporch:Vertical front porch in lines 1515 * @vsync: Vertical Sync length in lines 1516 * @vbackporch: Vertical back porch in lines 1517 * @il_vfrontporch:Vertical front porch for the even field 1518 * (aka field 2) of interlaced field formats 1519 * @il_vsync: Vertical Sync length for the even field 1520 * (aka field 2) of interlaced field formats 1521 * @il_vbackporch:Vertical back porch for the even field 1522 * (aka field 2) of interlaced field formats 1523 * @standards: Standards the timing belongs to 1524 * @flags: Flags 1525 * @picture_aspect: The picture aspect ratio (hor/vert). 1526 * @cea861_vic: VIC code as per the CEA-861 standard. 1527 * @hdmi_vic: VIC code as per the HDMI standard. 1528 * @reserved: Reserved fields, must be zeroed. 1529 * 1530 * A note regarding vertical interlaced timings: height refers to the total 1531 * height of the active video frame (= two fields). The blanking timings refer 1532 * to the blanking of each field. So the height of the total frame is 1533 * calculated as follows: 1534 * 1535 * tot_height = height + vfrontporch + vsync + vbackporch + 1536 * il_vfrontporch + il_vsync + il_vbackporch 1537 * 1538 * The active height of each field is height / 2. 1539 */ 1540struct v4l2_bt_timings { 1541 __u32 width; 1542 __u32 height; 1543 __u32 interlaced; 1544 __u32 polarities; 1545 __u64 pixelclock; 1546 __u32 hfrontporch; 1547 __u32 hsync; 1548 __u32 hbackporch; 1549 __u32 vfrontporch; 1550 __u32 vsync; 1551 __u32 vbackporch; 1552 __u32 il_vfrontporch; 1553 __u32 il_vsync; 1554 __u32 il_vbackporch; 1555 __u32 standards; 1556 __u32 flags; 1557 struct v4l2_fract picture_aspect; 1558 __u8 cea861_vic; 1559 __u8 hdmi_vic; 1560 __u8 reserved[46]; 1561} __attribute__ ((packed)); 1562 1563/* Interlaced or progressive format */ 1564#define V4L2_DV_PROGRESSIVE 0 1565#define V4L2_DV_INTERLACED 1 1566 1567/* Polarities. If bit is not set, it is assumed to be negative polarity */ 1568#define V4L2_DV_VSYNC_POS_POL 0x00000001 1569#define V4L2_DV_HSYNC_POS_POL 0x00000002 1570 1571/* Timings standards */ 1572#define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1573#define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1574#define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1575#define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1576#define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */ 1577 1578/* Flags */ 1579 1580/* 1581 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1582 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1583 * intervals are reduced, allowing a higher resolution over the same 1584 * bandwidth. This is a read-only flag. 1585 */ 1586#define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1587/* 1588 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1589 * of six. These formats can be optionally played at 1 / 1.001 speed. 1590 * This is a read-only flag. 1591 */ 1592#define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1593/* 1594 * CEA-861 specific: only valid for video transmitters, the flag is cleared 1595 * by receivers. 1596 * If the framerate of the format is a multiple of six, then the pixelclock 1597 * used to set up the transmitter is divided by 1.001 to make it compatible 1598 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1599 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1600 * such frequencies, then the flag will also be cleared. 1601 */ 1602#define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1603/* 1604 * Specific to interlaced formats: if set, then field 1 is really one half-line 1605 * longer and field 2 is really one half-line shorter, so each field has 1606 * exactly the same number of half-lines. Whether half-lines can be detected 1607 * or used depends on the hardware. 1608 */ 1609#define V4L2_DV_FL_HALF_LINE (1 << 3) 1610/* 1611 * If set, then this is a Consumer Electronics (CE) video format. Such formats 1612 * differ from other formats (commonly called IT formats) in that if RGB 1613 * encoding is used then by default the RGB values use limited range (i.e. 1614 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861 1615 * except for the 640x480 format are CE formats. 1616 */ 1617#define V4L2_DV_FL_IS_CE_VIDEO (1 << 4) 1618/* Some formats like SMPTE-125M have an interlaced signal with a odd 1619 * total height. For these formats, if this flag is set, the first 1620 * field has the extra line. If not, it is the second field. 1621 */ 1622#define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5) 1623/* 1624 * If set, then the picture_aspect field is valid. Otherwise assume that the 1625 * pixels are square, so the picture aspect ratio is the same as the width to 1626 * height ratio. 1627 */ 1628#define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6) 1629/* 1630 * If set, then the cea861_vic field is valid and contains the Video 1631 * Identification Code as per the CEA-861 standard. 1632 */ 1633#define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7) 1634/* 1635 * If set, then the hdmi_vic field is valid and contains the Video 1636 * Identification Code as per the HDMI standard (HDMI Vendor Specific 1637 * InfoFrame). 1638 */ 1639#define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8) 1640/* 1641 * CEA-861 specific: only valid for video receivers. 1642 * If set, then HW can detect the difference between regular FPS and 1643 * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with 1644 * the V4L2_DV_FL_CAN_REDUCE_FPS flag set. 1645 */ 1646#define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9) 1647 1648/* A few useful defines to calculate the total blanking and frame sizes */ 1649#define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1650 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1651#define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1652 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1653#define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1654 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1655 ((bt)->interlaced ? \ 1656 ((bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) : 0)) 1657#define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1658 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1659 1660/** struct v4l2_dv_timings - DV timings 1661 * @type: the type of the timings 1662 * @bt: BT656/1120 timings 1663 */ 1664struct v4l2_dv_timings { 1665 __u32 type; 1666 union { 1667 struct v4l2_bt_timings bt; 1668 __u32 reserved[32]; 1669 }; 1670} __attribute__ ((packed)); 1671 1672/* Values for the type field */ 1673#define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1674 1675 1676/** struct v4l2_enum_dv_timings - DV timings enumeration 1677 * @index: enumeration index 1678 * @pad: the pad number for which to enumerate timings (used with 1679 * v4l-subdev nodes only) 1680 * @reserved: must be zeroed 1681 * @timings: the timings for the given index 1682 */ 1683struct v4l2_enum_dv_timings { 1684 __u32 index; 1685 __u32 pad; 1686 __u32 reserved[2]; 1687 struct v4l2_dv_timings timings; 1688}; 1689 1690/** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1691 * @min_width: width in pixels 1692 * @max_width: width in pixels 1693 * @min_height: height in lines 1694 * @max_height: height in lines 1695 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1696 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1697 * @standards: Supported standards 1698 * @capabilities: Supported capabilities 1699 * @reserved: Must be zeroed 1700 */ 1701struct v4l2_bt_timings_cap { 1702 __u32 min_width; 1703 __u32 max_width; 1704 __u32 min_height; 1705 __u32 max_height; 1706 __u64 min_pixelclock; 1707 __u64 max_pixelclock; 1708 __u32 standards; 1709 __u32 capabilities; 1710 __u32 reserved[16]; 1711} __attribute__ ((packed)); 1712 1713/* Supports interlaced formats */ 1714#define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1715/* Supports progressive formats */ 1716#define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1717/* Supports CVT/GTF reduced blanking */ 1718#define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1719/* Supports custom formats */ 1720#define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1721 1722/** struct v4l2_dv_timings_cap - DV timings capabilities 1723 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1724 * @pad: the pad number for which to query capabilities (used with 1725 * v4l-subdev nodes only) 1726 * @bt: the BT656/1120 timings capabilities 1727 */ 1728struct v4l2_dv_timings_cap { 1729 __u32 type; 1730 __u32 pad; 1731 __u32 reserved[2]; 1732 union { 1733 struct v4l2_bt_timings_cap bt; 1734 __u32 raw_data[32]; 1735 }; 1736}; 1737 1738 1739/* 1740 * V I D E O I N P U T S 1741 */ 1742struct v4l2_input { 1743 __u32 index; /* Which input */ 1744 __u8 name[32]; /* Label */ 1745 __u32 type; /* Type of input */ 1746 __u32 audioset; /* Associated audios (bitfield) */ 1747 __u32 tuner; /* Tuner index */ 1748 v4l2_std_id std; 1749 __u32 status; 1750 __u32 capabilities; 1751 __u32 reserved[3]; 1752}; 1753 1754/* Values for the 'type' field */ 1755#define V4L2_INPUT_TYPE_TUNER 1 1756#define V4L2_INPUT_TYPE_CAMERA 2 1757#define V4L2_INPUT_TYPE_TOUCH 3 1758 1759/* field 'status' - general */ 1760#define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1761#define V4L2_IN_ST_NO_SIGNAL 0x00000002 1762#define V4L2_IN_ST_NO_COLOR 0x00000004 1763 1764/* field 'status' - sensor orientation */ 1765/* If sensor is mounted upside down set both bits */ 1766#define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1767#define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1768 1769/* field 'status' - analog */ 1770#define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1771#define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1772#define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */ 1773#define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */ 1774 1775/* field 'status' - digital */ 1776#define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1777#define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1778#define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1779 1780/* field 'status' - VCR and set-top box */ 1781#define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1782#define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1783#define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1784 1785/* capabilities flags */ 1786#define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1787#define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1788#define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1789#define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1790 1791/* 1792 * V I D E O O U T P U T S 1793 */ 1794struct v4l2_output { 1795 __u32 index; /* Which output */ 1796 __u8 name[32]; /* Label */ 1797 __u32 type; /* Type of output */ 1798 __u32 audioset; /* Associated audios (bitfield) */ 1799 __u32 modulator; /* Associated modulator */ 1800 v4l2_std_id std; 1801 __u32 capabilities; 1802 __u32 reserved[3]; 1803}; 1804/* Values for the 'type' field */ 1805#define V4L2_OUTPUT_TYPE_MODULATOR 1 1806#define V4L2_OUTPUT_TYPE_ANALOG 2 1807#define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1808 1809/* capabilities flags */ 1810#define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1811#define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1812#define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1813#define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1814 1815/* 1816 * C O N T R O L S 1817 */ 1818struct v4l2_control { 1819 __u32 id; 1820 __s32 value; 1821}; 1822 1823struct v4l2_ext_control { 1824 __u32 id; 1825 __u32 size; 1826 __u32 reserved2[1]; 1827 union { 1828 __s32 value; 1829 __s64 value64; 1830 char __user *string; 1831 __u8 __user *p_u8; 1832 __u16 __user *p_u16; 1833 __u32 __user *p_u32; 1834 __s32 __user *p_s32; 1835 __s64 __user *p_s64; 1836 struct v4l2_area __user *p_area; 1837 struct v4l2_ctrl_h264_sps __user *p_h264_sps; 1838 struct v4l2_ctrl_h264_pps __user *p_h264_pps; 1839 struct v4l2_ctrl_h264_scaling_matrix __user *p_h264_scaling_matrix; 1840 struct v4l2_ctrl_h264_pred_weights __user *p_h264_pred_weights; 1841 struct v4l2_ctrl_h264_slice_params __user *p_h264_slice_params; 1842 struct v4l2_ctrl_h264_decode_params __user *p_h264_decode_params; 1843 struct v4l2_ctrl_fwht_params __user *p_fwht_params; 1844 struct v4l2_ctrl_vp8_frame __user *p_vp8_frame; 1845 struct v4l2_ctrl_mpeg2_sequence __user *p_mpeg2_sequence; 1846 struct v4l2_ctrl_mpeg2_picture __user *p_mpeg2_picture; 1847 struct v4l2_ctrl_mpeg2_quantisation __user *p_mpeg2_quantisation; 1848 struct v4l2_ctrl_vp9_compressed_hdr __user *p_vp9_compressed_hdr_probs; 1849 struct v4l2_ctrl_vp9_frame __user *p_vp9_frame; 1850 struct v4l2_ctrl_hevc_sps __user *p_hevc_sps; 1851 struct v4l2_ctrl_hevc_pps __user *p_hevc_pps; 1852 struct v4l2_ctrl_hevc_slice_params __user *p_hevc_slice_params; 1853 struct v4l2_ctrl_hevc_scaling_matrix __user *p_hevc_scaling_matrix; 1854 struct v4l2_ctrl_hevc_decode_params __user *p_hevc_decode_params; 1855 struct v4l2_ctrl_av1_sequence __user *p_av1_sequence; 1856 struct v4l2_ctrl_av1_tile_group_entry __user *p_av1_tile_group_entry; 1857 struct v4l2_ctrl_av1_frame __user *p_av1_frame; 1858 struct v4l2_ctrl_av1_film_grain __user *p_av1_film_grain; 1859 struct v4l2_ctrl_hdr10_cll_info __user *p_hdr10_cll_info; 1860 struct v4l2_ctrl_hdr10_mastering_display __user *p_hdr10_mastering_display; 1861 void __user *ptr; 1862 } __attribute__ ((packed)); 1863} __attribute__ ((packed)); 1864 1865struct v4l2_ext_controls { 1866 union { 1867#ifndef __KERNEL__ 1868 __u32 ctrl_class; 1869#endif 1870 __u32 which; 1871 }; 1872 __u32 count; 1873 __u32 error_idx; 1874 __s32 request_fd; 1875 __u32 reserved[1]; 1876 struct v4l2_ext_control *controls; 1877}; 1878 1879#define V4L2_CTRL_ID_MASK (0x0fffffff) 1880#ifndef __KERNEL__ 1881#define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1882#endif 1883#define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL) 1884#define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1885#define V4L2_CTRL_MAX_DIMS (4) 1886#define V4L2_CTRL_WHICH_CUR_VAL 0 1887#define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000 1888#define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000 1889 1890enum v4l2_ctrl_type { 1891 V4L2_CTRL_TYPE_INTEGER = 1, 1892 V4L2_CTRL_TYPE_BOOLEAN = 2, 1893 V4L2_CTRL_TYPE_MENU = 3, 1894 V4L2_CTRL_TYPE_BUTTON = 4, 1895 V4L2_CTRL_TYPE_INTEGER64 = 5, 1896 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1897 V4L2_CTRL_TYPE_STRING = 7, 1898 V4L2_CTRL_TYPE_BITMASK = 8, 1899 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1900 1901 /* Compound types are >= 0x0100 */ 1902 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1903 V4L2_CTRL_TYPE_U8 = 0x0100, 1904 V4L2_CTRL_TYPE_U16 = 0x0101, 1905 V4L2_CTRL_TYPE_U32 = 0x0102, 1906 V4L2_CTRL_TYPE_AREA = 0x0106, 1907 1908 V4L2_CTRL_TYPE_HDR10_CLL_INFO = 0x0110, 1909 V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY = 0x0111, 1910 1911 V4L2_CTRL_TYPE_H264_SPS = 0x0200, 1912 V4L2_CTRL_TYPE_H264_PPS = 0x0201, 1913 V4L2_CTRL_TYPE_H264_SCALING_MATRIX = 0x0202, 1914 V4L2_CTRL_TYPE_H264_SLICE_PARAMS = 0x0203, 1915 V4L2_CTRL_TYPE_H264_DECODE_PARAMS = 0x0204, 1916 V4L2_CTRL_TYPE_H264_PRED_WEIGHTS = 0x0205, 1917 1918 V4L2_CTRL_TYPE_FWHT_PARAMS = 0x0220, 1919 1920 V4L2_CTRL_TYPE_VP8_FRAME = 0x0240, 1921 1922 V4L2_CTRL_TYPE_MPEG2_QUANTISATION = 0x0250, 1923 V4L2_CTRL_TYPE_MPEG2_SEQUENCE = 0x0251, 1924 V4L2_CTRL_TYPE_MPEG2_PICTURE = 0x0252, 1925 1926 V4L2_CTRL_TYPE_VP9_COMPRESSED_HDR = 0x0260, 1927 V4L2_CTRL_TYPE_VP9_FRAME = 0x0261, 1928 1929 V4L2_CTRL_TYPE_HEVC_SPS = 0x0270, 1930 V4L2_CTRL_TYPE_HEVC_PPS = 0x0271, 1931 V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS = 0x0272, 1932 V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX = 0x0273, 1933 V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS = 0x0274, 1934 1935 V4L2_CTRL_TYPE_AV1_SEQUENCE = 0x280, 1936 V4L2_CTRL_TYPE_AV1_TILE_GROUP_ENTRY = 0x281, 1937 V4L2_CTRL_TYPE_AV1_FRAME = 0x282, 1938 V4L2_CTRL_TYPE_AV1_FILM_GRAIN = 0x283, 1939}; 1940 1941/* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1942struct v4l2_queryctrl { 1943 __u32 id; 1944 __u32 type; /* enum v4l2_ctrl_type */ 1945 __u8 name[32]; /* Whatever */ 1946 __s32 minimum; /* Note signedness */ 1947 __s32 maximum; 1948 __s32 step; 1949 __s32 default_value; 1950 __u32 flags; 1951 __u32 reserved[2]; 1952}; 1953 1954/* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1955struct v4l2_query_ext_ctrl { 1956 __u32 id; 1957 __u32 type; 1958 char name[32]; 1959 __s64 minimum; 1960 __s64 maximum; 1961 __u64 step; 1962 __s64 default_value; 1963 __u32 flags; 1964 __u32 elem_size; 1965 __u32 elems; 1966 __u32 nr_of_dims; 1967 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1968 __u32 reserved[32]; 1969}; 1970 1971/* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1972struct v4l2_querymenu { 1973 __u32 id; 1974 __u32 index; 1975 union { 1976 __u8 name[32]; /* Whatever */ 1977 __s64 value; 1978 }; 1979 __u32 reserved; 1980} __attribute__ ((packed)); 1981 1982/* Control flags */ 1983#define V4L2_CTRL_FLAG_DISABLED 0x0001 1984#define V4L2_CTRL_FLAG_GRABBED 0x0002 1985#define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1986#define V4L2_CTRL_FLAG_UPDATE 0x0008 1987#define V4L2_CTRL_FLAG_INACTIVE 0x0010 1988#define V4L2_CTRL_FLAG_SLIDER 0x0020 1989#define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1990#define V4L2_CTRL_FLAG_VOLATILE 0x0080 1991#define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1992#define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 1993#define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400 1994#define V4L2_CTRL_FLAG_DYNAMIC_ARRAY 0x0800 1995 1996/* Query flags, to be ORed with the control ID */ 1997#define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1998#define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1999 2000/* User-class control IDs defined by V4L2 */ 2001#define V4L2_CID_MAX_CTRLS 1024 2002/* IDs reserved for driver specific controls */ 2003#define V4L2_CID_PRIVATE_BASE 0x08000000 2004 2005 2006/* 2007 * T U N I N G 2008 */ 2009struct v4l2_tuner { 2010 __u32 index; 2011 __u8 name[32]; 2012 __u32 type; /* enum v4l2_tuner_type */ 2013 __u32 capability; 2014 __u32 rangelow; 2015 __u32 rangehigh; 2016 __u32 rxsubchans; 2017 __u32 audmode; 2018 __s32 signal; 2019 __s32 afc; 2020 __u32 reserved[4]; 2021}; 2022 2023struct v4l2_modulator { 2024 __u32 index; 2025 __u8 name[32]; 2026 __u32 capability; 2027 __u32 rangelow; 2028 __u32 rangehigh; 2029 __u32 txsubchans; 2030 __u32 type; /* enum v4l2_tuner_type */ 2031 __u32 reserved[3]; 2032}; 2033 2034/* Flags for the 'capability' field */ 2035#define V4L2_TUNER_CAP_LOW 0x0001 2036#define V4L2_TUNER_CAP_NORM 0x0002 2037#define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 2038#define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 2039#define V4L2_TUNER_CAP_STEREO 0x0010 2040#define V4L2_TUNER_CAP_LANG2 0x0020 2041#define V4L2_TUNER_CAP_SAP 0x0020 2042#define V4L2_TUNER_CAP_LANG1 0x0040 2043#define V4L2_TUNER_CAP_RDS 0x0080 2044#define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 2045#define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 2046#define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 2047#define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 2048#define V4L2_TUNER_CAP_1HZ 0x1000 2049 2050/* Flags for the 'rxsubchans' field */ 2051#define V4L2_TUNER_SUB_MONO 0x0001 2052#define V4L2_TUNER_SUB_STEREO 0x0002 2053#define V4L2_TUNER_SUB_LANG2 0x0004 2054#define V4L2_TUNER_SUB_SAP 0x0004 2055#define V4L2_TUNER_SUB_LANG1 0x0008 2056#define V4L2_TUNER_SUB_RDS 0x0010 2057 2058/* Values for the 'audmode' field */ 2059#define V4L2_TUNER_MODE_MONO 0x0000 2060#define V4L2_TUNER_MODE_STEREO 0x0001 2061#define V4L2_TUNER_MODE_LANG2 0x0002 2062#define V4L2_TUNER_MODE_SAP 0x0002 2063#define V4L2_TUNER_MODE_LANG1 0x0003 2064#define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 2065 2066struct v4l2_frequency { 2067 __u32 tuner; 2068 __u32 type; /* enum v4l2_tuner_type */ 2069 __u32 frequency; 2070 __u32 reserved[8]; 2071}; 2072 2073#define V4L2_BAND_MODULATION_VSB (1 << 1) 2074#define V4L2_BAND_MODULATION_FM (1 << 2) 2075#define V4L2_BAND_MODULATION_AM (1 << 3) 2076 2077struct v4l2_frequency_band { 2078 __u32 tuner; 2079 __u32 type; /* enum v4l2_tuner_type */ 2080 __u32 index; 2081 __u32 capability; 2082 __u32 rangelow; 2083 __u32 rangehigh; 2084 __u32 modulation; 2085 __u32 reserved[9]; 2086}; 2087 2088struct v4l2_hw_freq_seek { 2089 __u32 tuner; 2090 __u32 type; /* enum v4l2_tuner_type */ 2091 __u32 seek_upward; 2092 __u32 wrap_around; 2093 __u32 spacing; 2094 __u32 rangelow; 2095 __u32 rangehigh; 2096 __u32 reserved[5]; 2097}; 2098 2099/* 2100 * R D S 2101 */ 2102 2103struct v4l2_rds_data { 2104 __u8 lsb; 2105 __u8 msb; 2106 __u8 block; 2107} __attribute__ ((packed)); 2108 2109#define V4L2_RDS_BLOCK_MSK 0x7 2110#define V4L2_RDS_BLOCK_A 0 2111#define V4L2_RDS_BLOCK_B 1 2112#define V4L2_RDS_BLOCK_C 2 2113#define V4L2_RDS_BLOCK_D 3 2114#define V4L2_RDS_BLOCK_C_ALT 4 2115#define V4L2_RDS_BLOCK_INVALID 7 2116 2117#define V4L2_RDS_BLOCK_CORRECTED 0x40 2118#define V4L2_RDS_BLOCK_ERROR 0x80 2119 2120/* 2121 * A U D I O 2122 */ 2123struct v4l2_audio { 2124 __u32 index; 2125 __u8 name[32]; 2126 __u32 capability; 2127 __u32 mode; 2128 __u32 reserved[2]; 2129}; 2130 2131/* Flags for the 'capability' field */ 2132#define V4L2_AUDCAP_STEREO 0x00001 2133#define V4L2_AUDCAP_AVL 0x00002 2134 2135/* Flags for the 'mode' field */ 2136#define V4L2_AUDMODE_AVL 0x00001 2137 2138struct v4l2_audioout { 2139 __u32 index; 2140 __u8 name[32]; 2141 __u32 capability; 2142 __u32 mode; 2143 __u32 reserved[2]; 2144}; 2145 2146/* 2147 * M P E G S E R V I C E S 2148 */ 2149#if 1 2150#define V4L2_ENC_IDX_FRAME_I (0) 2151#define V4L2_ENC_IDX_FRAME_P (1) 2152#define V4L2_ENC_IDX_FRAME_B (2) 2153#define V4L2_ENC_IDX_FRAME_MASK (0xf) 2154 2155struct v4l2_enc_idx_entry { 2156 __u64 offset; 2157 __u64 pts; 2158 __u32 length; 2159 __u32 flags; 2160 __u32 reserved[2]; 2161}; 2162 2163#define V4L2_ENC_IDX_ENTRIES (64) 2164struct v4l2_enc_idx { 2165 __u32 entries; 2166 __u32 entries_cap; 2167 __u32 reserved[4]; 2168 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 2169}; 2170 2171 2172#define V4L2_ENC_CMD_START (0) 2173#define V4L2_ENC_CMD_STOP (1) 2174#define V4L2_ENC_CMD_PAUSE (2) 2175#define V4L2_ENC_CMD_RESUME (3) 2176 2177/* Flags for V4L2_ENC_CMD_STOP */ 2178#define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 2179 2180struct v4l2_encoder_cmd { 2181 __u32 cmd; 2182 __u32 flags; 2183 union { 2184 struct { 2185 __u32 data[8]; 2186 } raw; 2187 }; 2188}; 2189 2190/* Decoder commands */ 2191#define V4L2_DEC_CMD_START (0) 2192#define V4L2_DEC_CMD_STOP (1) 2193#define V4L2_DEC_CMD_PAUSE (2) 2194#define V4L2_DEC_CMD_RESUME (3) 2195#define V4L2_DEC_CMD_FLUSH (4) 2196 2197/* Flags for V4L2_DEC_CMD_START */ 2198#define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 2199 2200/* Flags for V4L2_DEC_CMD_PAUSE */ 2201#define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 2202 2203/* Flags for V4L2_DEC_CMD_STOP */ 2204#define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 2205#define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 2206 2207/* Play format requirements (returned by the driver): */ 2208 2209/* The decoder has no special format requirements */ 2210#define V4L2_DEC_START_FMT_NONE (0) 2211/* The decoder requires full GOPs */ 2212#define V4L2_DEC_START_FMT_GOP (1) 2213 2214/* The structure must be zeroed before use by the application 2215 This ensures it can be extended safely in the future. */ 2216struct v4l2_decoder_cmd { 2217 __u32 cmd; 2218 __u32 flags; 2219 union { 2220 struct { 2221 __u64 pts; 2222 } stop; 2223 2224 struct { 2225 /* 0 or 1000 specifies normal speed, 2226 1 specifies forward single stepping, 2227 -1 specifies backward single stepping, 2228 >1: playback at speed/1000 of the normal speed, 2229 <-1: reverse playback at (-speed/1000) of the normal speed. */ 2230 __s32 speed; 2231 __u32 format; 2232 } start; 2233 2234 struct { 2235 __u32 data[16]; 2236 } raw; 2237 }; 2238}; 2239#endif 2240 2241 2242/* 2243 * D A T A S E R V I C E S ( V B I ) 2244 * 2245 * Data services API by Michael Schimek 2246 */ 2247 2248/* Raw VBI */ 2249struct v4l2_vbi_format { 2250 __u32 sampling_rate; /* in 1 Hz */ 2251 __u32 offset; 2252 __u32 samples_per_line; 2253 __u32 sample_format; /* V4L2_PIX_FMT_* */ 2254 __s32 start[2]; 2255 __u32 count[2]; 2256 __u32 flags; /* V4L2_VBI_* */ 2257 __u32 reserved[2]; /* must be zero */ 2258}; 2259 2260/* VBI flags */ 2261#define V4L2_VBI_UNSYNC (1 << 0) 2262#define V4L2_VBI_INTERLACED (1 << 1) 2263 2264/* ITU-R start lines for each field */ 2265#define V4L2_VBI_ITU_525_F1_START (1) 2266#define V4L2_VBI_ITU_525_F2_START (264) 2267#define V4L2_VBI_ITU_625_F1_START (1) 2268#define V4L2_VBI_ITU_625_F2_START (314) 2269 2270/* Sliced VBI 2271 * 2272 * This implements is a proposal V4L2 API to allow SLICED VBI 2273 * required for some hardware encoders. It should change without 2274 * notice in the definitive implementation. 2275 */ 2276 2277struct v4l2_sliced_vbi_format { 2278 __u16 service_set; 2279 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2280 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2281 (equals frame lines 313-336 for 625 line video 2282 standards, 263-286 for 525 line standards) */ 2283 __u16 service_lines[2][24]; 2284 __u32 io_size; 2285 __u32 reserved[2]; /* must be zero */ 2286}; 2287 2288/* Teletext World System Teletext 2289 (WST), defined on ITU-R BT.653-2 */ 2290#define V4L2_SLICED_TELETEXT_B (0x0001) 2291/* Video Program System, defined on ETS 300 231*/ 2292#define V4L2_SLICED_VPS (0x0400) 2293/* Closed Caption, defined on EIA-608 */ 2294#define V4L2_SLICED_CAPTION_525 (0x1000) 2295/* Wide Screen System, defined on ITU-R BT1119.1 */ 2296#define V4L2_SLICED_WSS_625 (0x4000) 2297 2298#define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 2299#define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 2300 2301struct v4l2_sliced_vbi_cap { 2302 __u16 service_set; 2303 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2304 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2305 (equals frame lines 313-336 for 625 line video 2306 standards, 263-286 for 525 line standards) */ 2307 __u16 service_lines[2][24]; 2308 __u32 type; /* enum v4l2_buf_type */ 2309 __u32 reserved[3]; /* must be 0 */ 2310}; 2311 2312struct v4l2_sliced_vbi_data { 2313 __u32 id; 2314 __u32 field; /* 0: first field, 1: second field */ 2315 __u32 line; /* 1-23 */ 2316 __u32 reserved; /* must be 0 */ 2317 __u8 data[48]; 2318}; 2319 2320/* 2321 * Sliced VBI data inserted into MPEG Streams 2322 */ 2323 2324/* 2325 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 2326 * 2327 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 2328 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 2329 * data 2330 * 2331 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 2332 * definitions are not included here. See the MPEG-2 specifications for details 2333 * on these headers. 2334 */ 2335 2336/* Line type IDs */ 2337#define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 2338#define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 2339#define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 2340#define V4L2_MPEG_VBI_IVTV_VPS (7) 2341 2342struct v4l2_mpeg_vbi_itv0_line { 2343 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 2344 __u8 data[42]; /* Sliced VBI data for the line */ 2345} __attribute__ ((packed)); 2346 2347struct v4l2_mpeg_vbi_itv0 { 2348 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 2349 struct v4l2_mpeg_vbi_itv0_line line[35]; 2350} __attribute__ ((packed)); 2351 2352struct v4l2_mpeg_vbi_ITV0 { 2353 struct v4l2_mpeg_vbi_itv0_line line[36]; 2354} __attribute__ ((packed)); 2355 2356#define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 2357#define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 2358 2359struct v4l2_mpeg_vbi_fmt_ivtv { 2360 __u8 magic[4]; 2361 union { 2362 struct v4l2_mpeg_vbi_itv0 itv0; 2363 struct v4l2_mpeg_vbi_ITV0 ITV0; 2364 }; 2365} __attribute__ ((packed)); 2366 2367/* 2368 * A G G R E G A T E S T R U C T U R E S 2369 */ 2370 2371/** 2372 * struct v4l2_plane_pix_format - additional, per-plane format definition 2373 * @sizeimage: maximum size in bytes required for data, for which 2374 * this plane will be used 2375 * @bytesperline: distance in bytes between the leftmost pixels in two 2376 * adjacent lines 2377 * @reserved: drivers and applications must zero this array 2378 */ 2379struct v4l2_plane_pix_format { 2380 __u32 sizeimage; 2381 __u32 bytesperline; 2382 __u16 reserved[6]; 2383} __attribute__ ((packed)); 2384 2385/** 2386 * struct v4l2_pix_format_mplane - multiplanar format definition 2387 * @width: image width in pixels 2388 * @height: image height in pixels 2389 * @pixelformat: little endian four character code (fourcc) 2390 * @field: enum v4l2_field; field order (for interlaced video) 2391 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 2392 * @plane_fmt: per-plane information 2393 * @num_planes: number of planes for this format 2394 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 2395 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding 2396 * @hsv_enc: enum v4l2_hsv_encoding, HSV encoding 2397 * @quantization: enum v4l2_quantization, colorspace quantization 2398 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function 2399 * @reserved: drivers and applications must zero this array 2400 */ 2401struct v4l2_pix_format_mplane { 2402 __u32 width; 2403 __u32 height; 2404 __u32 pixelformat; 2405 __u32 field; 2406 __u32 colorspace; 2407 2408 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 2409 __u8 num_planes; 2410 __u8 flags; 2411 union { 2412 __u8 ycbcr_enc; 2413 __u8 hsv_enc; 2414 }; 2415 __u8 quantization; 2416 __u8 xfer_func; 2417 __u8 reserved[7]; 2418} __attribute__ ((packed)); 2419 2420/** 2421 * struct v4l2_sdr_format - SDR format definition 2422 * @pixelformat: little endian four character code (fourcc) 2423 * @buffersize: maximum size in bytes required for data 2424 * @reserved: drivers and applications must zero this array 2425 */ 2426struct v4l2_sdr_format { 2427 __u32 pixelformat; 2428 __u32 buffersize; 2429 __u8 reserved[24]; 2430} __attribute__ ((packed)); 2431 2432/** 2433 * struct v4l2_meta_format - metadata format definition 2434 * @dataformat: little endian four character code (fourcc) 2435 * @buffersize: maximum size in bytes required for data 2436 * @width: number of data units of data per line (valid for line 2437 * based formats only, see format documentation) 2438 * @height: number of lines of data per buffer (valid for line based 2439 * formats only) 2440 * @bytesperline: offset between the beginnings of two adjacent lines in 2441 * bytes (valid for line based formats only) 2442 */ 2443struct v4l2_meta_format { 2444 __u32 dataformat; 2445 __u32 buffersize; 2446 __u32 width; 2447 __u32 height; 2448 __u32 bytesperline; 2449} __attribute__ ((packed)); 2450 2451/** 2452 * struct v4l2_format - stream data format 2453 * @type: enum v4l2_buf_type; type of the data stream 2454 * @fmt.pix: definition of an image format 2455 * @fmt.pix_mp: definition of a multiplanar image format 2456 * @fmt.win: definition of an overlaid image 2457 * @fmt.vbi: raw VBI capture or output parameters 2458 * @fmt.sliced: sliced VBI capture or output parameters 2459 * @fmt.raw_data: placeholder for future extensions and custom formats 2460 * @fmt: union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr, 2461 * @meta and @raw_data 2462 */ 2463struct v4l2_format { 2464 __u32 type; 2465 union { 2466 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 2467 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 2468 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 2469 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 2470 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 2471 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 2472 struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */ 2473 __u8 raw_data[200]; /* user-defined */ 2474 } fmt; 2475}; 2476 2477/* Stream type-dependent parameters 2478 */ 2479struct v4l2_streamparm { 2480 __u32 type; /* enum v4l2_buf_type */ 2481 union { 2482 struct v4l2_captureparm capture; 2483 struct v4l2_outputparm output; 2484 __u8 raw_data[200]; /* user-defined */ 2485 } parm; 2486}; 2487 2488/* 2489 * E V E N T S 2490 */ 2491 2492#define V4L2_EVENT_ALL 0 2493#define V4L2_EVENT_VSYNC 1 2494#define V4L2_EVENT_EOS 2 2495#define V4L2_EVENT_CTRL 3 2496#define V4L2_EVENT_FRAME_SYNC 4 2497#define V4L2_EVENT_SOURCE_CHANGE 5 2498#define V4L2_EVENT_MOTION_DET 6 2499#define V4L2_EVENT_PRIVATE_START 0x08000000 2500 2501/* Payload for V4L2_EVENT_VSYNC */ 2502struct v4l2_event_vsync { 2503 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 2504 __u8 field; 2505} __attribute__ ((packed)); 2506 2507/* Payload for V4L2_EVENT_CTRL */ 2508#define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 2509#define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 2510#define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 2511#define V4L2_EVENT_CTRL_CH_DIMENSIONS (1 << 3) 2512 2513struct v4l2_event_ctrl { 2514 __u32 changes; 2515 __u32 type; 2516 union { 2517 __s32 value; 2518 __s64 value64; 2519 }; 2520 __u32 flags; 2521 __s32 minimum; 2522 __s32 maximum; 2523 __s32 step; 2524 __s32 default_value; 2525}; 2526 2527struct v4l2_event_frame_sync { 2528 __u32 frame_sequence; 2529}; 2530 2531#define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 2532 2533struct v4l2_event_src_change { 2534 __u32 changes; 2535}; 2536 2537#define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 2538 2539/** 2540 * struct v4l2_event_motion_det - motion detection event 2541 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 2542 * frame_sequence field is valid. 2543 * @frame_sequence: the frame sequence number associated with this event. 2544 * @region_mask: which regions detected motion. 2545 */ 2546struct v4l2_event_motion_det { 2547 __u32 flags; 2548 __u32 frame_sequence; 2549 __u32 region_mask; 2550}; 2551 2552struct v4l2_event { 2553 __u32 type; 2554 union { 2555 struct v4l2_event_vsync vsync; 2556 struct v4l2_event_ctrl ctrl; 2557 struct v4l2_event_frame_sync frame_sync; 2558 struct v4l2_event_src_change src_change; 2559 struct v4l2_event_motion_det motion_det; 2560 __u8 data[64]; 2561 } u; 2562 __u32 pending; 2563 __u32 sequence; 2564#ifdef __KERNEL__ 2565 struct __kernel_timespec timestamp; 2566#else 2567 struct timespec timestamp; 2568#endif 2569 __u32 id; 2570 __u32 reserved[8]; 2571}; 2572 2573#define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2574#define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2575 2576struct v4l2_event_subscription { 2577 __u32 type; 2578 __u32 id; 2579 __u32 flags; 2580 __u32 reserved[5]; 2581}; 2582 2583/* 2584 * A D V A N C E D D E B U G G I N G 2585 * 2586 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2587 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2588 */ 2589 2590/* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2591 2592#define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2593#define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2594 2595/* The following four defines are no longer in use */ 2596#define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2597#define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2598#define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2599#define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2600 2601struct v4l2_dbg_match { 2602 __u32 type; /* Match type */ 2603 union { /* Match this chip, meaning determined by type */ 2604 __u32 addr; 2605 char name[32]; 2606 }; 2607} __attribute__ ((packed)); 2608 2609struct v4l2_dbg_register { 2610 struct v4l2_dbg_match match; 2611 __u32 size; /* register size in bytes */ 2612 __u64 reg; 2613 __u64 val; 2614} __attribute__ ((packed)); 2615 2616#define V4L2_CHIP_FL_READABLE (1 << 0) 2617#define V4L2_CHIP_FL_WRITABLE (1 << 1) 2618 2619/* VIDIOC_DBG_G_CHIP_INFO */ 2620struct v4l2_dbg_chip_info { 2621 struct v4l2_dbg_match match; 2622 char name[32]; 2623 __u32 flags; 2624 __u32 reserved[32]; 2625} __attribute__ ((packed)); 2626 2627/** 2628 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2629 * @index: on return, index of the first created buffer 2630 * @count: entry: number of requested buffers, 2631 * return: number of created buffers 2632 * @memory: enum v4l2_memory; buffer memory type 2633 * @format: frame format, for which buffers are requested 2634 * @capabilities: capabilities of this buffer type. 2635 * @flags: additional buffer management attributes (ignored unless the 2636 * queue has V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS capability 2637 * and configured for MMAP streaming I/O). 2638 * @max_num_buffers: if V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS capability flag is set 2639 * this field indicate the maximum possible number of buffers 2640 * for this queue. 2641 * @reserved: future extensions 2642 */ 2643struct v4l2_create_buffers { 2644 __u32 index; 2645 __u32 count; 2646 __u32 memory; 2647 struct v4l2_format format; 2648 __u32 capabilities; 2649 __u32 flags; 2650 __u32 max_num_buffers; 2651 __u32 reserved[5]; 2652}; 2653 2654/** 2655 * struct v4l2_remove_buffers - VIDIOC_REMOVE_BUFS argument 2656 * @index: the first buffer to be removed 2657 * @count: number of buffers to removed 2658 * @type: enum v4l2_buf_type 2659 * @reserved: future extensions 2660 */ 2661struct v4l2_remove_buffers { 2662 __u32 index; 2663 __u32 count; 2664 __u32 type; 2665 __u32 reserved[13]; 2666}; 2667 2668/* 2669 * 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 2670 * 2671 */ 2672#define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2673#define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2674#define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2675#define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2676#define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2677#define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2678#define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2679#define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2680#define VIDIOC_OVERLAY _IOW('V', 14, int) 2681#define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2682#define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2683#define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2684#define VIDIOC_STREAMON _IOW('V', 18, int) 2685#define VIDIOC_STREAMOFF _IOW('V', 19, int) 2686#define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2687#define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2688#define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2689#define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2690#define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2691#define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2692#define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2693#define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2694#define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2695#define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2696#define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2697#define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2698#define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2699#define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2700#define VIDIOC_G_INPUT _IOR('V', 38, int) 2701#define VIDIOC_S_INPUT _IOWR('V', 39, int) 2702#define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2703#define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2704#define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2705#define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2706#define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2707#define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2708#define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2709#define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2710#define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2711#define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2712#define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2713#define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2714#define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2715#define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2716#define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2717#define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2718#define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2719#define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2720#define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2721#define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2722#define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2723#define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2724#define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2725#define VIDIOC_LOG_STATUS _IO('V', 70) 2726#define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2727#define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2728#define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2729#define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2730#define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2731#define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2732#define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2733#define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2734 2735/* 2736 * Experimental, meant for debugging, testing and internal use. 2737 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2738 * You must be root to use these ioctls. Never use these in applications! 2739 */ 2740#define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2741#define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2742 2743#define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2744#define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2745#define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2746#define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2747#define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2748#define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2749#define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2750#define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2751#define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2752#define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2753#define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2754#define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2755#define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2756#define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2757#define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2758#define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2759 2760/* 2761 * Experimental, meant for debugging, testing and internal use. 2762 * Never use this in applications! 2763 */ 2764#define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2765 2766#define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2767#define VIDIOC_REMOVE_BUFS _IOWR('V', 104, struct v4l2_remove_buffers) 2768 2769 2770/* Reminder: when adding new ioctls please add support for them to 2771 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */ 2772 2773#define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2774 2775/* Deprecated definitions kept for backwards compatibility */ 2776#ifndef __KERNEL__ 2777#define V4L2_PIX_FMT_HM12 V4L2_PIX_FMT_NV12_16L16 2778#define V4L2_PIX_FMT_SUNXI_TILED_NV12 V4L2_PIX_FMT_NV12_32L32 2779/* 2780 * This capability was never implemented, anyone using this cap should drop it 2781 * from their code. 2782 */ 2783#define V4L2_CAP_ASYNCIO 0x02000000 2784#endif 2785 2786#endif /* _UAPI__LINUX_VIDEODEV2_H */ 2787