Where Online Learning is simpler!
The C and C++ Include Header Files
cat -n /usr/include/linux/videodev2.h
1 /* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */ 2 /* 3 * Video for Linux Two header file 4 * 5 * Copyright (C) 1999-2012 the contributors 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * Alternatively you can redistribute this file under the terms of the 18 * BSD license as stated below: 19 * 20 * Redistribution and use in source and binary forms, with or without 21 * modification, are permitted provided that the following conditions 22 * are met: 23 * 1. Redistributions of source code must retain the above copyright 24 * notice, this list of conditions and the following disclaimer. 25 * 2. Redistributions in binary form must reproduce the above copyright 26 * notice, this list of conditions and the following disclaimer in 27 * the documentation and/or other materials provided with the 28 * distribution. 29 * 3. The names of its contributors may not be used to endorse or promote 30 * products derived from this software without specific prior written 31 * permission. 32 * 33 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 34 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 35 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 36 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 37 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 38 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 39 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 40 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 41 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 42 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 43 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 44 * 45 * Header file for v4l or V4L2 drivers and applications 46 * with public API. 47 * All kernel-specific stuff were moved to media/v4l2-dev.h, so 48 * no #if __KERNEL tests are allowed here 49 * 50 * See https://linuxtv.org for more info 51 * 52 * Author: Bill Dirks <bill@thedirks.org> 53 * Justin Schoeman 54 * Hans Verkuil <hverkuil@kernel.org> 55 * et al. 56 */ 57 #ifndef __LINUX_VIDEODEV2_H 58 #define __LINUX_VIDEODEV2_H 59 60 #include <sys/time.h> 61 62 #include <linux/ioctl.h> 63 #include <linux/types.h> 64 #include <linux/v4l2-common.h> 65 #include <linux/v4l2-controls.h> 66 67 /* 68 * Common stuff for both V4L1 and V4L2 69 * Moved from videodev.h 70 */ 71 #define VIDEO_MAX_FRAME 32 72 #define VIDEO_MAX_PLANES 8 73 74 /* 75 * M I S C E L L A N E O U S 76 */ 77 78 /* Four-character-code (FOURCC) */ 79 #define v4l2_fourcc(a, b, c, d)\ 80 ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24)) 81 #define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1U << 31)) 82 83 /* 84 * E N U M S 85 */ 86 enum v4l2_field { 87 V4L2_FIELD_ANY = 0, /* driver can choose from none, 88 top, bottom, interlaced 89 depending on whatever it thinks 90 is approximate ... */ 91 V4L2_FIELD_NONE = 1, /* this device has no fields ... */ 92 V4L2_FIELD_TOP = 2, /* top field only */ 93 V4L2_FIELD_BOTTOM = 3, /* bottom field only */ 94 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */ 95 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one 96 buffer, top-bottom order */ 97 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */ 98 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into 99 separate buffers */ 100 V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field 101 first and the top field is 102 transmitted first */ 103 V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field 104 first and the bottom field is 105 transmitted first */ 106 }; 107 #define V4L2_FIELD_HAS_TOP(field) \ 108 ((field) == V4L2_FIELD_TOP ||\ 109 (field) == V4L2_FIELD_INTERLACED ||\ 110 (field) == V4L2_FIELD_INTERLACED_TB ||\ 111 (field) == V4L2_FIELD_INTERLACED_BT ||\ 112 (field) == V4L2_FIELD_SEQ_TB ||\ 113 (field) == V4L2_FIELD_SEQ_BT) 114 #define V4L2_FIELD_HAS_BOTTOM(field) \ 115 ((field) == V4L2_FIELD_BOTTOM ||\ 116 (field) == V4L2_FIELD_INTERLACED ||\ 117 (field) == V4L2_FIELD_INTERLACED_TB ||\ 118 (field) == V4L2_FIELD_INTERLACED_BT ||\ 119 (field) == V4L2_FIELD_SEQ_TB ||\ 120 (field) == V4L2_FIELD_SEQ_BT) 121 #define V4L2_FIELD_HAS_BOTH(field) \ 122 ((field) == V4L2_FIELD_INTERLACED ||\ 123 (field) == V4L2_FIELD_INTERLACED_TB ||\ 124 (field) == V4L2_FIELD_INTERLACED_BT ||\ 125 (field) == V4L2_FIELD_SEQ_TB ||\ 126 (field) == V4L2_FIELD_SEQ_BT) 127 #define V4L2_FIELD_HAS_T_OR_B(field) \ 128 ((field) == V4L2_FIELD_BOTTOM ||\ 129 (field) == V4L2_FIELD_TOP ||\ 130 (field) == V4L2_FIELD_ALTERNATE) 131 #define V4L2_FIELD_IS_INTERLACED(field) \ 132 ((field) == V4L2_FIELD_INTERLACED ||\ 133 (field) == V4L2_FIELD_INTERLACED_TB ||\ 134 (field) == V4L2_FIELD_INTERLACED_BT) 135 #define V4L2_FIELD_IS_SEQUENTIAL(field) \ 136 ((field) == V4L2_FIELD_SEQ_TB ||\ 137 (field) == V4L2_FIELD_SEQ_BT) 138 139 enum v4l2_buf_type { 140 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, 141 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, 142 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, 143 V4L2_BUF_TYPE_VBI_CAPTURE = 4, 144 V4L2_BUF_TYPE_VBI_OUTPUT = 5, 145 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6, 146 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7, 147 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8, 148 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9, 149 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10, 150 V4L2_BUF_TYPE_SDR_CAPTURE = 11, 151 V4L2_BUF_TYPE_SDR_OUTPUT = 12, 152 V4L2_BUF_TYPE_META_CAPTURE = 13, 153 V4L2_BUF_TYPE_META_OUTPUT = 14, 154 /* 155 * Note: V4L2_TYPE_IS_VALID and V4L2_TYPE_IS_OUTPUT must 156 * be updated if a new type is added. 157 */ 158 /* Deprecated, do not use */ 159 V4L2_BUF_TYPE_PRIVATE = 0x80, 160 }; 161 162 #define V4L2_TYPE_IS_VALID(type) \ 163 ((type) >= V4L2_BUF_TYPE_VIDEO_CAPTURE &&\ 164 (type) <= V4L2_BUF_TYPE_META_OUTPUT) 165 166 #define V4L2_TYPE_IS_MULTIPLANAR(type) \ 167 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \ 168 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 169 170 #define V4L2_TYPE_IS_OUTPUT(type) \ 171 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \ 172 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \ 173 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \ 174 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \ 175 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \ 176 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT \ 177 || (type) == V4L2_BUF_TYPE_META_OUTPUT) 178 179 #define V4L2_TYPE_IS_CAPTURE(type) \ 180 (V4L2_TYPE_IS_VALID(type) && !V4L2_TYPE_IS_OUTPUT(type)) 181 182 enum v4l2_tuner_type { 183 V4L2_TUNER_RADIO = 1, 184 V4L2_TUNER_ANALOG_TV = 2, 185 V4L2_TUNER_DIGITAL_TV = 3, 186 V4L2_TUNER_SDR = 4, 187 V4L2_TUNER_RF = 5, 188 }; 189 190 /* Deprecated, do not use */ 191 #define V4L2_TUNER_ADC V4L2_TUNER_SDR 192 193 enum v4l2_memory { 194 V4L2_MEMORY_MMAP = 1, 195 V4L2_MEMORY_USERPTR = 2, 196 V4L2_MEMORY_OVERLAY = 3, 197 V4L2_MEMORY_DMABUF = 4, 198 }; 199 200 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 201 enum v4l2_colorspace { 202 /* 203 * Default colorspace, i.e. let the driver figure it out. 204 * Can only be used with video capture. 205 */ 206 V4L2_COLORSPACE_DEFAULT = 0, 207 208 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */ 209 V4L2_COLORSPACE_SMPTE170M = 1, 210 211 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */ 212 V4L2_COLORSPACE_SMPTE240M = 2, 213 214 /* Rec.709: used for HDTV */ 215 V4L2_COLORSPACE_REC709 = 3, 216 217 /* 218 * Deprecated, do not use. No driver will ever return this. This was 219 * based on a misunderstanding of the bt878 datasheet. 220 */ 221 V4L2_COLORSPACE_BT878 = 4, 222 223 /* 224 * NTSC 1953 colorspace. This only makes sense when dealing with 225 * really, really old NTSC recordings. Superseded by SMPTE 170M. 226 */ 227 V4L2_COLORSPACE_470_SYSTEM_M = 5, 228 229 /* 230 * EBU Tech 3213 PAL/SECAM colorspace. 231 */ 232 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 233 234 /* 235 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601 236 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG. 237 */ 238 V4L2_COLORSPACE_JPEG = 7, 239 240 /* For RGB colorspaces such as produces by most webcams. */ 241 V4L2_COLORSPACE_SRGB = 8, 242 243 /* opRGB colorspace */ 244 V4L2_COLORSPACE_OPRGB = 9, 245 246 /* BT.2020 colorspace, used for UHDTV. */ 247 V4L2_COLORSPACE_BT2020 = 10, 248 249 /* Raw colorspace: for RAW unprocessed images */ 250 V4L2_COLORSPACE_RAW = 11, 251 252 /* DCI-P3 colorspace, used by cinema projectors */ 253 V4L2_COLORSPACE_DCI_P3 = 12, 254 255 }; 256 257 /* 258 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace. 259 * This depends on whether this is a SDTV image (use SMPTE 170M), an 260 * HDTV image (use Rec. 709), or something else (use sRGB). 261 */ 262 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \ 263 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \ 264 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB)) 265 266 enum v4l2_xfer_func { 267 /* 268 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions 269 * for the various colorspaces: 270 * 271 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 272 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and 273 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709 274 * 275 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB 276 * 277 * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB 278 * 279 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M 280 * 281 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE 282 * 283 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3 284 */ 285 V4L2_XFER_FUNC_DEFAULT = 0, 286 V4L2_XFER_FUNC_709 = 1, 287 V4L2_XFER_FUNC_SRGB = 2, 288 V4L2_XFER_FUNC_OPRGB = 3, 289 V4L2_XFER_FUNC_SMPTE240M = 4, 290 V4L2_XFER_FUNC_NONE = 5, 291 V4L2_XFER_FUNC_DCI_P3 = 6, 292 V4L2_XFER_FUNC_SMPTE2084 = 7, 293 }; 294 295 /* 296 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function. 297 * This depends on the colorspace. 298 */ 299 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \ 300 ((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \ 301 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \ 302 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \ 303 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \ 304 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \ 305 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709))))) 306 307 enum v4l2_ycbcr_encoding { 308 /* 309 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the 310 * various colorspaces: 311 * 312 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 313 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB, 314 * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601 315 * 316 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709 317 * 318 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020 319 * 320 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M 321 */ 322 V4L2_YCBCR_ENC_DEFAULT = 0, 323 324 /* ITU-R 601 -- SDTV */ 325 V4L2_YCBCR_ENC_601 = 1, 326 327 /* Rec. 709 -- HDTV */ 328 V4L2_YCBCR_ENC_709 = 2, 329 330 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */ 331 V4L2_YCBCR_ENC_XV601 = 3, 332 333 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */ 334 V4L2_YCBCR_ENC_XV709 = 4, 335 336 /* 337 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added 338 * originally due to a misunderstanding of the sYCC standard. It should 339 * not be used, instead use V4L2_YCBCR_ENC_601. 340 */ 341 V4L2_YCBCR_ENC_SYCC = 5, 342 343 /* BT.2020 Non-constant Luminance Y'CbCr */ 344 V4L2_YCBCR_ENC_BT2020 = 6, 345 346 /* BT.2020 Constant Luminance Y'CbcCrc */ 347 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7, 348 349 /* SMPTE 240M -- Obsolete HDTV */ 350 V4L2_YCBCR_ENC_SMPTE240M = 8, 351 }; 352 353 /* 354 * enum v4l2_hsv_encoding values should not collide with the ones from 355 * enum v4l2_ycbcr_encoding. 356 */ 357 enum v4l2_hsv_encoding { 358 359 /* Hue mapped to 0 - 179 */ 360 V4L2_HSV_ENC_180 = 128, 361 362 /* Hue mapped to 0-255 */ 363 V4L2_HSV_ENC_256 = 129, 364 }; 365 366 /* 367 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding. 368 * This depends on the colorspace. 369 */ 370 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \ 371 (((colsp) == V4L2_COLORSPACE_REC709 || \ 372 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \ 373 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \ 374 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \ 375 V4L2_YCBCR_ENC_601))) 376 377 enum v4l2_quantization { 378 /* 379 * The default for R'G'B' quantization is always full range. 380 * For Y'CbCr the quantization is always limited range, except 381 * for COLORSPACE_JPEG: this is full range. 382 */ 383 V4L2_QUANTIZATION_DEFAULT = 0, 384 V4L2_QUANTIZATION_FULL_RANGE = 1, 385 V4L2_QUANTIZATION_LIM_RANGE = 2, 386 }; 387 388 /* 389 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization. 390 * This depends on whether the image is RGB or not, the colorspace. 391 * The Y'CbCr encoding is not used anymore, but is still there for backwards 392 * compatibility. 393 */ 394 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \ 395 (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \ 396 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE) 397 398 /* 399 * Deprecated names for opRGB colorspace (IEC 61966-2-5) 400 * 401 * WARNING: Please don't use these deprecated defines in your code, as 402 * there is a chance we have to remove them in the future. 403 */ 404 #define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB 405 #define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB 406 407 enum v4l2_priority { 408 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 409 V4L2_PRIORITY_BACKGROUND = 1, 410 V4L2_PRIORITY_INTERACTIVE = 2, 411 V4L2_PRIORITY_RECORD = 3, 412 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 413 }; 414 415 struct v4l2_rect { 416 __s32 left; 417 __s32 top; 418 __u32 width; 419 __u32 height; 420 }; 421 422 struct v4l2_fract { 423 __u32 numerator; 424 __u32 denominator; 425 }; 426 427 struct v4l2_area { 428 __u32 width; 429 __u32 height; 430 }; 431 432 /** 433 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 434 * 435 * @driver: name of the driver module (e.g. "bttv") 436 * @card: name of the card (e.g. "Hauppauge WinTV") 437 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 438 * @version: KERNEL_VERSION 439 * @capabilities: capabilities of the physical device as a whole 440 * @device_caps: capabilities accessed via this particular device (node) 441 * @reserved: reserved fields for future extensions 442 */ 443 struct v4l2_capability { 444 __u8 driver[16]; 445 __u8 card[32]; 446 __u8 bus_info[32]; 447 __u32 version; 448 __u32 capabilities; 449 __u32 device_caps; 450 __u32 reserved[3]; 451 }; 452 453 /* Values for 'capabilities' field */ 454 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 455 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 456 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 457 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 458 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 459 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 460 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 461 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 462 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 463 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 464 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 465 466 /* Is a video capture device that supports multiplanar formats */ 467 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 468 /* Is a video output device that supports multiplanar formats */ 469 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 470 /* Is a video mem-to-mem device that supports multiplanar formats */ 471 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 472 /* Is a video mem-to-mem device */ 473 #define V4L2_CAP_VIDEO_M2M 0x00008000 474 475 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 476 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 477 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 478 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 479 480 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */ 481 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */ 482 #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */ 483 #define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */ 484 485 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 486 #define V4L2_CAP_EDID 0x02000000 /* Is an EDID-only device */ 487 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 488 #define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */ 489 490 #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */ 491 492 #define V4L2_CAP_IO_MC 0x20000000 /* Is input/output controlled by the media controller */ 493 494 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 495 496 /* 497 * V I D E O I M A G E F O R M A T 498 */ 499 struct v4l2_pix_format { 500 __u32 width; 501 __u32 height; 502 __u32 pixelformat; 503 __u32 field; /* enum v4l2_field */ 504 __u32 bytesperline; /* for padding, zero if unused */ 505 __u32 sizeimage; 506 __u32 colorspace; /* enum v4l2_colorspace */ 507 __u32 priv; /* private data, depends on pixelformat */ 508 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ 509 union { 510 /* enum v4l2_ycbcr_encoding */ 511 __u32 ycbcr_enc; 512 /* enum v4l2_hsv_encoding */ 513 __u32 hsv_enc; 514 }; 515 __u32 quantization; /* enum v4l2_quantization */ 516 __u32 xfer_func; /* enum v4l2_xfer_func */ 517 }; 518 519 /* Pixel format FOURCC depth Description */ 520 521 /* RGB formats (1 or 2 bytes per pixel) */ 522 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 523 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 524 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */ 525 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */ 526 #define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2') /* 16 rrrrgggg bbbbaaaa */ 527 #define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16 rrrrgggg bbbbxxxx */ 528 #define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16 aaaabbbb ggggrrrr */ 529 #define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16 xxxxbbbb ggggrrrr */ 530 #define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('G', 'A', '1', '2') /* 16 bbbbgggg rrrraaaa */ 531 #define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16 bbbbgggg rrrrxxxx */ 532 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 533 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */ 534 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */ 535 #define V4L2_PIX_FMT_RGBA555 v4l2_fourcc('R', 'A', '1', '5') /* 16 RGBA-5-5-5-1 */ 536 #define V4L2_PIX_FMT_RGBX555 v4l2_fourcc('R', 'X', '1', '5') /* 16 RGBX-5-5-5-1 */ 537 #define V4L2_PIX_FMT_ABGR555 v4l2_fourcc('A', 'B', '1', '5') /* 16 ABGR-1-5-5-5 */ 538 #define V4L2_PIX_FMT_XBGR555 v4l2_fourcc('X', 'B', '1', '5') /* 16 XBGR-1-5-5-5 */ 539 #define V4L2_PIX_FMT_BGRA555 v4l2_fourcc('B', 'A', '1', '5') /* 16 BGRA-5-5-5-1 */ 540 #define V4L2_PIX_FMT_BGRX555 v4l2_fourcc('B', 'X', '1', '5') /* 16 BGRX-5-5-5-1 */ 541 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 542 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 543 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */ 544 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */ 545 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 546 547 /* RGB formats (3 or 4 bytes per pixel) */ 548 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 549 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 550 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 551 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 552 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */ 553 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */ 554 #define V4L2_PIX_FMT_BGRA32 v4l2_fourcc('R', 'A', '2', '4') /* 32 ABGR-8-8-8-8 */ 555 #define V4L2_PIX_FMT_BGRX32 v4l2_fourcc('R', 'X', '2', '4') /* 32 XBGR-8-8-8-8 */ 556 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 557 #define V4L2_PIX_FMT_RGBA32 v4l2_fourcc('A', 'B', '2', '4') /* 32 RGBA-8-8-8-8 */ 558 #define V4L2_PIX_FMT_RGBX32 v4l2_fourcc('X', 'B', '2', '4') /* 32 RGBX-8-8-8-8 */ 559 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */ 560 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */ 561 #define V4L2_PIX_FMT_RGBX1010102 v4l2_fourcc('R', 'X', '3', '0') /* 32 RGBX-10-10-10-2 */ 562 #define V4L2_PIX_FMT_RGBA1010102 v4l2_fourcc('R', 'A', '3', '0') /* 32 RGBA-10-10-10-2 */ 563 #define V4L2_PIX_FMT_ARGB2101010 v4l2_fourcc('A', 'R', '3', '0') /* 32 ARGB-2-10-10-10 */ 564 565 /* RGB formats (6 or 8 bytes per pixel) */ 566 #define V4L2_PIX_FMT_BGR48_12 v4l2_fourcc('B', '3', '1', '2') /* 48 BGR 12-bit per component */ 567 #define V4L2_PIX_FMT_BGR48 v4l2_fourcc('B', 'G', 'R', '6') /* 48 BGR 16-bit per component */ 568 #define V4L2_PIX_FMT_RGB48 v4l2_fourcc('R', 'G', 'B', '6') /* 48 RGB 16-bit per component */ 569 #define V4L2_PIX_FMT_ABGR64_12 v4l2_fourcc('B', '4', '1', '2') /* 64 BGRA 12-bit per component */ 570 571 /* Grey formats */ 572 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 573 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 574 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 575 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 576 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 577 #define V4L2_PIX_FMT_Y012 v4l2_fourcc('Y', '0', '1', '2') /* 12 Greyscale */ 578 #define V4L2_PIX_FMT_Y14 v4l2_fourcc('Y', '1', '4', ' ') /* 14 Greyscale */ 579 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 580 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */ 581 582 /* Grey bit-packed formats */ 583 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 584 #define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */ 585 #define V4L2_PIX_FMT_IPU3_Y10 v4l2_fourcc('i', 'p', '3', 'y') /* IPU3 packed 10-bit greyscale */ 586 #define V4L2_PIX_FMT_Y12P v4l2_fourcc('Y', '1', '2', 'P') /* 12 Greyscale, MIPI RAW12 packed */ 587 #define V4L2_PIX_FMT_Y14P v4l2_fourcc('Y', '1', '4', 'P') /* 14 Greyscale, MIPI RAW14 packed */ 588 589 /* Palette formats */ 590 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 591 592 /* Chrominance formats */ 593 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 594 595 /* Luminance+Chrominance formats */ 596 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 597 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 598 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 599 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 600 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 601 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 602 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 603 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 604 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 605 #define V4L2_PIX_FMT_YUV24 v4l2_fourcc('Y', 'U', 'V', '3') /* 24 YUV-8-8-8 */ 606 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 607 #define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */ 608 #define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */ 609 #define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */ 610 #define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */ 611 #define V4L2_PIX_FMT_YUVA32 v4l2_fourcc('Y', 'U', 'V', 'A') /* 32 YUVA-8-8-8-8 */ 612 #define V4L2_PIX_FMT_YUVX32 v4l2_fourcc('Y', 'U', 'V', 'X') /* 32 YUVX-8-8-8-8 */ 613 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 614 #define V4L2_PIX_FMT_YUV48_12 v4l2_fourcc('Y', '3', '1', '2') /* 48 YUV 4:4:4 12-bit per component */ 615 616 /* 617 * YCbCr packed format. For each Y2xx format, xx bits of valid data occupy the MSBs 618 * of the 16 bit components, and 16-xx bits of zero padding occupy the LSBs. 619 */ 620 #define V4L2_PIX_FMT_Y210 v4l2_fourcc('Y', '2', '1', '0') /* 32 YUYV 4:2:2 */ 621 #define V4L2_PIX_FMT_Y212 v4l2_fourcc('Y', '2', '1', '2') /* 32 YUYV 4:2:2 */ 622 #define V4L2_PIX_FMT_Y216 v4l2_fourcc('Y', '2', '1', '6') /* 32 YUYV 4:2:2 */ 623 624 /* two planes -- one Y, one Cr + Cb interleaved */ 625 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 626 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 627 #define V4L2_PIX_FMT_NV15 v4l2_fourcc('N', 'V', '1', '5') /* 15 Y/CbCr 4:2:0 10-bit packed */ 628 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 629 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 630 #define V4L2_PIX_FMT_NV20 v4l2_fourcc('N', 'V', '2', '0') /* 20 Y/CbCr 4:2:2 10-bit packed */ 631 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 632 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 633 #define V4L2_PIX_FMT_P010 v4l2_fourcc('P', '0', '1', '0') /* 24 Y/CbCr 4:2:0 10-bit per component */ 634 #define V4L2_PIX_FMT_P012 v4l2_fourcc('P', '0', '1', '2') /* 24 Y/CbCr 4:2:0 12-bit per component */ 635 636 /* two non contiguous planes - one Y, one Cr + Cb interleaved */ 637 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 638 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 639 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ 640 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ 641 #define V4L2_PIX_FMT_P012M v4l2_fourcc('P', 'M', '1', '2') /* 24 Y/CbCr 4:2:0 12-bit per component */ 642 643 /* three planes - Y Cb, Cr */ 644 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 645 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 646 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */ 647 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 648 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 649 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 650 651 /* three non contiguous planes - Y, Cb, Cr */ 652 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 653 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 654 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */ 655 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */ 656 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */ 657 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */ 658 659 /* Tiled YUV formats */ 660 #define V4L2_PIX_FMT_NV12_4L4 v4l2_fourcc('V', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 4x4 tiles */ 661 #define V4L2_PIX_FMT_NV12_16L16 v4l2_fourcc('H', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */ 662 #define V4L2_PIX_FMT_NV12_32L32 v4l2_fourcc('S', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 32x32 tiles */ 663 #define V4L2_PIX_FMT_NV15_4L4 v4l2_fourcc('V', 'T', '1', '5') /* 15 Y/CbCr 4:2:0 10-bit 4x4 tiles */ 664 #define V4L2_PIX_FMT_P010_4L4 v4l2_fourcc('T', '0', '1', '0') /* 12 Y/CbCr 4:2:0 10-bit 4x4 macroblocks */ 665 #define V4L2_PIX_FMT_NV12_8L128 v4l2_fourcc('A', 'T', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */ 666 #define V4L2_PIX_FMT_NV12_10BE_8L128 v4l2_fourcc_be('A', 'X', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */ 667 668 /* Tiled YUV formats, non contiguous planes */ 669 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 tiles */ 670 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */ 671 #define V4L2_PIX_FMT_NV12M_8L128 v4l2_fourcc('N', 'A', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */ 672 #define V4L2_PIX_FMT_NV12M_10BE_8L128 v4l2_fourcc_be('N', 'T', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */ 673 674 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 675 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 676 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 677 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 678 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 679 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 680 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 681 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 682 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 683 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ 684 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') 685 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') 686 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') 687 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') 688 /* 10bit raw bayer a-law compressed to 8 bits */ 689 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 690 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 691 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 692 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 693 /* 10bit raw bayer DPCM compressed to 8 bits */ 694 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 695 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 696 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 697 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 698 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 699 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 700 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 701 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 702 /* 12bit raw bayer packed, 3 bytes for every 2 pixels */ 703 #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C') 704 #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C') 705 #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C') 706 #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C') 707 #define V4L2_PIX_FMT_SBGGR14 v4l2_fourcc('B', 'G', '1', '4') /* 14 BGBG.. GRGR.. */ 708 #define V4L2_PIX_FMT_SGBRG14 v4l2_fourcc('G', 'B', '1', '4') /* 14 GBGB.. RGRG.. */ 709 #define V4L2_PIX_FMT_SGRBG14 v4l2_fourcc('G', 'R', '1', '4') /* 14 GRGR.. BGBG.. */ 710 #define V4L2_PIX_FMT_SRGGB14 v4l2_fourcc('R', 'G', '1', '4') /* 14 RGRG.. GBGB.. */ 711 /* 14bit raw bayer packed, 7 bytes for every 4 pixels */ 712 #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E') 713 #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E') 714 #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E') 715 #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E') 716 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 717 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */ 718 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */ 719 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */ 720 721 /* HSV formats */ 722 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3') 723 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4') 724 725 /* compressed formats */ 726 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 727 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 728 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 729 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 730 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 731 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 732 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 733 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 734 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 735 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 736 #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */ 737 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 738 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 739 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 740 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 741 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 742 #define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') /* VP8 parsed frame */ 743 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */ 744 #define V4L2_PIX_FMT_VP9_FRAME v4l2_fourcc('V', 'P', '9', 'F') /* VP9 parsed frame */ 745 #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */ 746 #define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */ 747 #define V4L2_PIX_FMT_FWHT_STATELESS v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */ 748 #define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */ 749 #define V4L2_PIX_FMT_HEVC_SLICE v4l2_fourcc('S', '2', '6', '5') /* HEVC parsed slices */ 750 #define V4L2_PIX_FMT_AV1_FRAME v4l2_fourcc('A', 'V', '1', 'F') /* AV1 parsed frame */ 751 #define V4L2_PIX_FMT_AV1 v4l2_fourcc('A', 'V', '0', '1') /* AV1 */ 752 #define V4L2_PIX_FMT_SPK v4l2_fourcc('S', 'P', 'K', '0') /* Sorenson Spark */ 753 #define V4L2_PIX_FMT_RV30 v4l2_fourcc('R', 'V', '3', '0') /* RealVideo 8 */ 754 #define V4L2_PIX_FMT_RV40 v4l2_fourcc('R', 'V', '4', '0') /* RealVideo 9 & 10 */ 755 756 /* Vendor-specific formats */ 757 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 758 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 759 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 760 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 761 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 762 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 763 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 764 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 765 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 766 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 767 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 768 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 769 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 770 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 771 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 772 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 773 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 774 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 775 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 776 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 777 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 778 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 779 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 780 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 781 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 782 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 783 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */ 784 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */ 785 #define V4L2_PIX_FMT_Y16I v4l2_fourcc('Y', '1', '6', 'I') /* Greyscale 16-bit L/R interleaved */ 786 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */ 787 #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */ 788 #define V4L2_PIX_FMT_MM21 v4l2_fourcc('M', 'M', '2', '1') /* Mediatek 8-bit block mode, two non-contiguous planes */ 789 #define V4L2_PIX_FMT_MT2110T v4l2_fourcc('M', 'T', '2', 'T') /* Mediatek 10-bit block tile mode */ 790 #define V4L2_PIX_FMT_MT2110R v4l2_fourcc('M', 'T', '2', 'R') /* Mediatek 10-bit block raster mode */ 791 #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */ 792 #define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */ 793 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* BTTV 8-bit dithered RGB */ 794 #define V4L2_PIX_FMT_QC08C v4l2_fourcc('Q', '0', '8', 'C') /* Qualcomm 8-bit compressed */ 795 #define V4L2_PIX_FMT_QC10C v4l2_fourcc('Q', '1', '0', 'C') /* Qualcomm 10-bit compressed */ 796 #define V4L2_PIX_FMT_AJPG v4l2_fourcc('A', 'J', 'P', 'G') /* Aspeed JPEG */ 797 #define V4L2_PIX_FMT_HEXTILE v4l2_fourcc('H', 'X', 'T', 'L') /* Hextile compressed */ 798 799 /* 10bit raw packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */ 800 #define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */ 801 #define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */ 802 #define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */ 803 #define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */ 804 805 /* Raspberry Pi PiSP compressed formats. */ 806 #define V4L2_PIX_FMT_PISP_COMP1_RGGB v4l2_fourcc('P', 'C', '1', 'R') /* PiSP 8-bit mode 1 compressed RGGB bayer */ 807 #define V4L2_PIX_FMT_PISP_COMP1_GRBG v4l2_fourcc('P', 'C', '1', 'G') /* PiSP 8-bit mode 1 compressed GRBG bayer */ 808 #define V4L2_PIX_FMT_PISP_COMP1_GBRG v4l2_fourcc('P', 'C', '1', 'g') /* PiSP 8-bit mode 1 compressed GBRG bayer */ 809 #define V4L2_PIX_FMT_PISP_COMP1_BGGR v4l2_fourcc('P', 'C', '1', 'B') /* PiSP 8-bit mode 1 compressed BGGR bayer */ 810 #define V4L2_PIX_FMT_PISP_COMP1_MONO v4l2_fourcc('P', 'C', '1', 'M') /* PiSP 8-bit mode 1 compressed monochrome */ 811 #define V4L2_PIX_FMT_PISP_COMP2_RGGB v4l2_fourcc('P', 'C', '2', 'R') /* PiSP 8-bit mode 2 compressed RGGB bayer */ 812 #define V4L2_PIX_FMT_PISP_COMP2_GRBG v4l2_fourcc('P', 'C', '2', 'G') /* PiSP 8-bit mode 2 compressed GRBG bayer */ 813 #define V4L2_PIX_FMT_PISP_COMP2_GBRG v4l2_fourcc('P', 'C', '2', 'g') /* PiSP 8-bit mode 2 compressed GBRG bayer */ 814 #define V4L2_PIX_FMT_PISP_COMP2_BGGR v4l2_fourcc('P', 'C', '2', 'B') /* PiSP 8-bit mode 2 compressed BGGR bayer */ 815 #define V4L2_PIX_FMT_PISP_COMP2_MONO v4l2_fourcc('P', 'C', '2', 'M') /* PiSP 8-bit mode 2 compressed monochrome */ 816 817 /* Renesas RZ/V2H CRU packed formats. 64-bit units with contiguous pixels */ 818 #define V4L2_PIX_FMT_RAW_CRU10 v4l2_fourcc('C', 'R', '1', '0') 819 #define V4L2_PIX_FMT_RAW_CRU12 v4l2_fourcc('C', 'R', '1', '2') 820 #define V4L2_PIX_FMT_RAW_CRU14 v4l2_fourcc('C', 'R', '1', '4') 821 #define V4L2_PIX_FMT_RAW_CRU20 v4l2_fourcc('C', 'R', '2', '0') 822 823 /* SDR formats - used only for Software Defined Radio devices */ 824 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 825 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 826 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 827 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 828 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 829 #define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */ 830 #define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */ 831 #define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */ 832 833 /* Touch formats - used for Touch devices */ 834 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */ 835 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */ 836 #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */ 837 #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */ 838 839 /* Meta-data formats */ 840 #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */ 841 #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */ 842 #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */ 843 #define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */ 844 #define V4L2_META_FMT_UVC_MSXU_1_5 v4l2_fourcc('U', 'V', 'C', 'M') /* UVC MSXU metadata */ 845 #define V4L2_META_FMT_VIVID v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */ 846 847 /* Vendor specific - used for RK_ISP1 camera sub-system */ 848 #define V4L2_META_FMT_RK_ISP1_PARAMS v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */ 849 #define V4L2_META_FMT_RK_ISP1_STAT_3A v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */ 850 #define V4L2_META_FMT_RK_ISP1_EXT_PARAMS v4l2_fourcc('R', 'K', '1', 'E') /* Rockchip ISP1 3a Extensible Parameters */ 851 852 /* Vendor specific - used for C3_ISP */ 853 #define V4L2_META_FMT_C3ISP_PARAMS v4l2_fourcc('C', '3', 'P', 'M') /* Amlogic C3 ISP Parameters */ 854 #define V4L2_META_FMT_C3ISP_STATS v4l2_fourcc('C', '3', 'S', 'T') /* Amlogic C3 ISP Statistics */ 855 856 /* Vendor specific - used for RaspberryPi PiSP */ 857 #define V4L2_META_FMT_RPI_BE_CFG v4l2_fourcc('R', 'P', 'B', 'C') /* PiSP BE configuration */ 858 #define V4L2_META_FMT_RPI_FE_CFG v4l2_fourcc('R', 'P', 'F', 'C') /* PiSP FE configuration */ 859 #define V4L2_META_FMT_RPI_FE_STATS v4l2_fourcc('R', 'P', 'F', 'S') /* PiSP FE stats */ 860 861 /* Vendor specific - used for Arm Mali-C55 ISP */ 862 #define V4L2_META_FMT_MALI_C55_PARAMS v4l2_fourcc('C', '5', '5', 'P') /* ARM Mali-C55 Parameters */ 863 #define V4L2_META_FMT_MALI_C55_STATS v4l2_fourcc('C', '5', '5', 'S') /* ARM Mali-C55 3A Statistics */ 864 865 866 /* priv field value to indicates that subsequent fields are valid. */ 867 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 868 869 /* Flags */ 870 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 871 #define V4L2_PIX_FMT_FLAG_SET_CSC 0x00000002 872 873 /* 874 * F O R M A T E N U M E R A T I O N 875 */ 876 struct v4l2_fmtdesc { 877 __u32 index; /* Format number */ 878 __u32 type; /* enum v4l2_buf_type */ 879 __u32 flags; 880 __u8 description[32]; /* Description string */ 881 __u32 pixelformat; /* Format fourcc */ 882 __u32 mbus_code; /* Media bus code */ 883 __u32 reserved[3]; 884 }; 885 886 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 887 #define V4L2_FMT_FLAG_EMULATED 0x0002 888 #define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM 0x0004 889 #define V4L2_FMT_FLAG_DYN_RESOLUTION 0x0008 890 #define V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL 0x0010 891 #define V4L2_FMT_FLAG_CSC_COLORSPACE 0x0020 892 #define V4L2_FMT_FLAG_CSC_XFER_FUNC 0x0040 893 #define V4L2_FMT_FLAG_CSC_YCBCR_ENC 0x0080 894 #define V4L2_FMT_FLAG_CSC_HSV_ENC V4L2_FMT_FLAG_CSC_YCBCR_ENC 895 #define V4L2_FMT_FLAG_CSC_QUANTIZATION 0x0100 896 #define V4L2_FMT_FLAG_META_LINE_BASED 0x0200 897 898 /* Format description flag, to be ORed with the index */ 899 #define V4L2_FMTDESC_FLAG_ENUM_ALL 0x80000000 900 901 /* Frame Size and frame rate enumeration */ 902 /* 903 * F R A M E S I Z E E N U M E R A T I O N 904 */ 905 enum v4l2_frmsizetypes { 906 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 907 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 908 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 909 }; 910 911 struct v4l2_frmsize_discrete { 912 __u32 width; /* Frame width [pixel] */ 913 __u32 height; /* Frame height [pixel] */ 914 }; 915 916 struct v4l2_frmsize_stepwise { 917 __u32 min_width; /* Minimum frame width [pixel] */ 918 __u32 max_width; /* Maximum frame width [pixel] */ 919 __u32 step_width; /* Frame width step size [pixel] */ 920 __u32 min_height; /* Minimum frame height [pixel] */ 921 __u32 max_height; /* Maximum frame height [pixel] */ 922 __u32 step_height; /* Frame height step size [pixel] */ 923 }; 924 925 struct v4l2_frmsizeenum { 926 __u32 index; /* Frame size number */ 927 __u32 pixel_format; /* Pixel format */ 928 __u32 type; /* Frame size type the device supports. */ 929 930 union { /* Frame size */ 931 struct v4l2_frmsize_discrete discrete; 932 struct v4l2_frmsize_stepwise stepwise; 933 }; 934 935 __u32 reserved[2]; /* Reserved space for future use */ 936 }; 937 938 /* 939 * F R A M E R A T E E N U M E R A T I O N 940 */ 941 enum v4l2_frmivaltypes { 942 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 943 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 944 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 945 }; 946 947 struct v4l2_frmival_stepwise { 948 struct v4l2_fract min; /* Minimum frame interval [s] */ 949 struct v4l2_fract max; /* Maximum frame interval [s] */ 950 struct v4l2_fract step; /* Frame interval step size [s] */ 951 }; 952 953 struct v4l2_frmivalenum { 954 __u32 index; /* Frame format index */ 955 __u32 pixel_format; /* Pixel format */ 956 __u32 width; /* Frame width */ 957 __u32 height; /* Frame height */ 958 __u32 type; /* Frame interval type the device supports. */ 959 960 union { /* Frame interval */ 961 struct v4l2_fract discrete; 962 struct v4l2_frmival_stepwise stepwise; 963 }; 964 965 __u32 reserved[2]; /* Reserved space for future use */ 966 }; 967 968 /* 969 * T I M E C O D E 970 */ 971 struct v4l2_timecode { 972 __u32 type; 973 __u32 flags; 974 __u8 frames; 975 __u8 seconds; 976 __u8 minutes; 977 __u8 hours; 978 __u8 userbits[4]; 979 }; 980 981 /* Type */ 982 #define V4L2_TC_TYPE_24FPS 1 983 #define V4L2_TC_TYPE_25FPS 2 984 #define V4L2_TC_TYPE_30FPS 3 985 #define V4L2_TC_TYPE_50FPS 4 986 #define V4L2_TC_TYPE_60FPS 5 987 988 /* Flags */ 989 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 990 #define V4L2_TC_FLAG_COLORFRAME 0x0002 991 #define V4L2_TC_USERBITS_field 0x000C 992 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 993 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 994 /* The above is based on SMPTE timecodes */ 995 996 struct v4l2_jpegcompression { 997 int quality; 998 999 int APPn; /* Number of APP segment to be written, 1000 * must be 0..15 */ 1001 int APP_len; /* Length of data in JPEG APPn segment */ 1002 char APP_data[60]; /* Data in the JPEG APPn segment. */ 1003 1004 int COM_len; /* Length of data in JPEG COM segment */ 1005 char COM_data[60]; /* Data in JPEG COM segment */ 1006 1007 __u32 jpeg_markers; /* Which markers should go into the JPEG 1008 * output. Unless you exactly know what 1009 * you do, leave them untouched. 1010 * Including less markers will make the 1011 * resulting code smaller, but there will 1012 * be fewer applications which can read it. 1013 * The presence of the APP and COM marker 1014 * is influenced by APP_len and COM_len 1015 * ONLY, not by this property! */ 1016 1017 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 1018 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 1019 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 1020 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 1021 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 1022 * always use APP0 */ 1023 }; 1024 1025 /* 1026 * M E M O R Y - M A P P I N G B U F F E R S 1027 */ 1028 1029 1030 struct v4l2_requestbuffers { 1031 __u32 count; 1032 __u32 type; /* enum v4l2_buf_type */ 1033 __u32 memory; /* enum v4l2_memory */ 1034 __u32 capabilities; 1035 __u8 flags; 1036 __u8 reserved[3]; 1037 }; 1038 1039 #define V4L2_MEMORY_FLAG_NON_COHERENT (1 << 0) 1040 1041 /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */ 1042 #define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0) 1043 #define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1) 1044 #define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2) 1045 #define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3) 1046 #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4) 1047 #define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5) 1048 #define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS (1 << 6) 1049 #define V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS (1 << 7) 1050 #define V4L2_BUF_CAP_SUPPORTS_REMOVE_BUFS (1 << 8) 1051 1052 /** 1053 * struct v4l2_plane - plane info for multi-planar buffers 1054 * @bytesused: number of bytes occupied by data in the plane (payload) 1055 * @length: size of this plane (NOT the payload) in bytes 1056 * @m.mem_offset: when memory in the associated struct v4l2_buffer is 1057 * V4L2_MEMORY_MMAP, equals the offset from the start of 1058 * the device memory for this plane (or is a "cookie" that 1059 * should be passed to mmap() called on the video node) 1060 * @m.userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 1061 * pointing to this plane 1062 * @m.fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 1063 * descriptor associated with this plane 1064 * @m: union of @mem_offset, @userptr and @fd 1065 * @data_offset: offset in the plane to the start of data; usually 0, 1066 * unless there is a header in front of the data 1067 * @reserved: drivers and applications must zero this array 1068 * 1069 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 1070 * with two planes can have one plane for Y, and another for interleaved CbCr 1071 * components. Each plane can reside in a separate memory buffer, or even in 1072 * a completely separate memory node (e.g. in embedded devices). 1073 */ 1074 struct v4l2_plane { 1075 __u32 bytesused; 1076 __u32 length; 1077 union { 1078 __u32 mem_offset; 1079 unsigned long userptr; 1080 __s32 fd; 1081 } m; 1082 __u32 data_offset; 1083 __u32 reserved[11]; 1084 }; 1085 1086 /** 1087 * struct v4l2_buffer - video buffer info 1088 * @index: id number of the buffer 1089 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 1090 * multiplanar buffers); 1091 * @bytesused: number of bytes occupied by data in the buffer (payload); 1092 * unused (set to 0) for multiplanar buffers 1093 * @flags: buffer informational flags 1094 * @field: enum v4l2_field; field order of the image in the buffer 1095 * @timestamp: frame timestamp 1096 * @timecode: frame timecode 1097 * @sequence: sequence count of this frame 1098 * @memory: enum v4l2_memory; the method, in which the actual video data is 1099 * passed 1100 * @m.offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 1101 * offset from the start of the device memory for this plane, 1102 * (or a "cookie" that should be passed to mmap() as offset) 1103 * @m.userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 1104 * a userspace pointer pointing to this buffer 1105 * @m.fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 1106 * a userspace file descriptor associated with this buffer 1107 * @m.planes: for multiplanar buffers; userspace pointer to the array of plane 1108 * info structs for this buffer 1109 * @m: union of @offset, @userptr, @planes and @fd 1110 * @length: size in bytes of the buffer (NOT its payload) for single-plane 1111 * buffers (when type != *_MPLANE); number of elements in the 1112 * planes array for multi-plane buffers 1113 * @reserved2: drivers and applications must zero this field 1114 * @request_fd: fd of the request that this buffer should use 1115 * @reserved: for backwards compatibility with applications that do not know 1116 * about @request_fd 1117 * 1118 * Contains data exchanged by application and driver using one of the Streaming 1119 * I/O methods. 1120 */ 1121 struct v4l2_buffer { 1122 __u32 index; 1123 __u32 type; 1124 __u32 bytesused; 1125 __u32 flags; 1126 __u32 field; 1127 struct timeval timestamp; 1128 struct v4l2_timecode timecode; 1129 __u32 sequence; 1130 1131 /* memory location */ 1132 __u32 memory; 1133 union { 1134 __u32 offset; 1135 unsigned long userptr; 1136 struct v4l2_plane *planes; 1137 __s32 fd; 1138 } m; 1139 __u32 length; 1140 __u32 reserved2; 1141 union { 1142 __s32 request_fd; 1143 __u32 reserved; 1144 }; 1145 }; 1146 1147 /** 1148 * v4l2_timeval_to_ns - Convert timeval to nanoseconds 1149 * @tv: pointer to the timeval variable to be converted 1150 * 1151 * Returns the scalar nanosecond representation of the timeval 1152 * parameter. 1153 */ 1154 static __inline__ __u64 v4l2_timeval_to_ns(const struct timeval *tv) 1155 { 1156 return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000; 1157 } 1158 1159 /* Flags for 'flags' field */ 1160 /* Buffer is mapped (flag) */ 1161 #define V4L2_BUF_FLAG_MAPPED 0x00000001 1162 /* Buffer is queued for processing */ 1163 #define V4L2_BUF_FLAG_QUEUED 0x00000002 1164 /* Buffer is ready */ 1165 #define V4L2_BUF_FLAG_DONE 0x00000004 1166 /* Image is a keyframe (I-frame) */ 1167 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008 1168 /* Image is a P-frame */ 1169 #define V4L2_BUF_FLAG_PFRAME 0x00000010 1170 /* Image is a B-frame */ 1171 #define V4L2_BUF_FLAG_BFRAME 0x00000020 1172 /* Buffer is ready, but the data contained within is corrupted. */ 1173 #define V4L2_BUF_FLAG_ERROR 0x00000040 1174 /* Buffer is added to an unqueued request */ 1175 #define V4L2_BUF_FLAG_IN_REQUEST 0x00000080 1176 /* timecode field is valid */ 1177 #define V4L2_BUF_FLAG_TIMECODE 0x00000100 1178 /* Don't return the capture buffer until OUTPUT timestamp changes */ 1179 #define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF 0x00000200 1180 /* Buffer is prepared for queuing */ 1181 #define V4L2_BUF_FLAG_PREPARED 0x00000400 1182 /* Cache handling flags */ 1183 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 1184 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 1185 /* Timestamp type */ 1186 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 1187 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 1188 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 1189 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 1190 /* Timestamp sources. */ 1191 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 1192 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 1193 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 1194 /* mem2mem encoder/decoder */ 1195 #define V4L2_BUF_FLAG_LAST 0x00100000 1196 /* request_fd is valid */ 1197 #define V4L2_BUF_FLAG_REQUEST_FD 0x00800000 1198 1199 /** 1200 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 1201 * 1202 * @index: id number of the buffer 1203 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 1204 * multiplanar buffers); 1205 * @plane: index of the plane to be exported, 0 for single plane queues 1206 * @flags: flags for newly created file, currently only O_CLOEXEC is 1207 * supported, refer to manual of open syscall for more details 1208 * @fd: file descriptor associated with DMABUF (set by driver) 1209 * @reserved: drivers and applications must zero this array 1210 * 1211 * Contains data used for exporting a video buffer as DMABUF file descriptor. 1212 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 1213 * (identical to the cookie used to mmap() the buffer to userspace). All 1214 * reserved fields must be set to zero. The field reserved0 is expected to 1215 * become a structure 'type' allowing an alternative layout of the structure 1216 * content. Therefore this field should not be used for any other extensions. 1217 */ 1218 struct v4l2_exportbuffer { 1219 __u32 type; /* enum v4l2_buf_type */ 1220 __u32 index; 1221 __u32 plane; 1222 __u32 flags; 1223 __s32 fd; 1224 __u32 reserved[11]; 1225 }; 1226 1227 /* 1228 * O V E R L A Y P R E V I E W 1229 */ 1230 struct v4l2_framebuffer { 1231 __u32 capability; 1232 __u32 flags; 1233 /* FIXME: in theory we should pass something like PCI device + memory 1234 * region + offset instead of some physical address */ 1235 void *base; 1236 struct { 1237 __u32 width; 1238 __u32 height; 1239 __u32 pixelformat; 1240 __u32 field; /* enum v4l2_field */ 1241 __u32 bytesperline; /* for padding, zero if unused */ 1242 __u32 sizeimage; 1243 __u32 colorspace; /* enum v4l2_colorspace */ 1244 __u32 priv; /* reserved field, set to 0 */ 1245 } fmt; 1246 }; 1247 /* Flags for the 'capability' field. Read only */ 1248 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 1249 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 1250 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 1251 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 1252 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 1253 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 1254 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 1255 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 1256 /* Flags for the 'flags' field. */ 1257 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 1258 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 1259 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 1260 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 1261 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 1262 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 1263 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 1264 1265 struct v4l2_clip { 1266 struct v4l2_rect c; 1267 struct v4l2_clip *next; 1268 }; 1269 1270 struct v4l2_window { 1271 struct v4l2_rect w; 1272 __u32 field; /* enum v4l2_field */ 1273 __u32 chromakey; 1274 struct v4l2_clip *clips; 1275 __u32 clipcount; 1276 void *bitmap; 1277 __u8 global_alpha; 1278 }; 1279 1280 /* 1281 * C A P T U R E P A R A M E T E R S 1282 */ 1283 struct v4l2_captureparm { 1284 __u32 capability; /* Supported modes */ 1285 __u32 capturemode; /* Current mode */ 1286 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1287 __u32 extendedmode; /* Driver-specific extensions */ 1288 __u32 readbuffers; /* # of buffers for read */ 1289 __u32 reserved[4]; 1290 }; 1291 1292 /* Flags for 'capability' and 'capturemode' fields */ 1293 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 1294 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 1295 1296 struct v4l2_outputparm { 1297 __u32 capability; /* Supported modes */ 1298 __u32 outputmode; /* Current mode */ 1299 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1300 __u32 extendedmode; /* Driver-specific extensions */ 1301 __u32 writebuffers; /* # of buffers for write */ 1302 __u32 reserved[4]; 1303 }; 1304 1305 /* 1306 * I N P U T I M A G E C R O P P I N G 1307 */ 1308 struct v4l2_cropcap { 1309 __u32 type; /* enum v4l2_buf_type */ 1310 struct v4l2_rect bounds; 1311 struct v4l2_rect defrect; 1312 struct v4l2_fract pixelaspect; 1313 }; 1314 1315 struct v4l2_crop { 1316 __u32 type; /* enum v4l2_buf_type */ 1317 struct v4l2_rect c; 1318 }; 1319 1320 /** 1321 * struct v4l2_selection - selection info 1322 * @type: buffer type (do not use *_MPLANE types) 1323 * @target: Selection target, used to choose one of possible rectangles; 1324 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 1325 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 1326 * @r: coordinates of selection window 1327 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 1328 * 1329 * Hardware may use multiple helper windows to process a video stream. 1330 * The structure is used to exchange this selection areas between 1331 * an application and a driver. 1332 */ 1333 struct v4l2_selection { 1334 __u32 type; 1335 __u32 target; 1336 __u32 flags; 1337 struct v4l2_rect r; 1338 __u32 reserved[9]; 1339 }; 1340 1341 1342 /* 1343 * A N A L O G V I D E O S T A N D A R D 1344 */ 1345 1346 typedef __u64 v4l2_std_id; 1347 1348 /* 1349 * Attention: Keep the V4L2_STD_* bit definitions in sync with 1350 * include/dt-bindings/display/sdtv-standards.h SDTV_STD_* bit definitions. 1351 */ 1352 /* one bit for each */ 1353 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 1354 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 1355 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 1356 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 1357 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 1358 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 1359 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 1360 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 1361 1362 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 1363 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 1364 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 1365 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 1366 1367 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 1368 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 1369 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 1370 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 1371 1372 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 1373 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 1374 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 1375 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 1376 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 1377 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 1378 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 1379 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 1380 1381 /* ATSC/HDTV */ 1382 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 1383 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 1384 1385 /* FIXME: 1386 Although std_id is 64 bits, there is an issue on PPC32 architecture that 1387 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 1388 this value to 32 bits. 1389 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 1390 it should work fine. However, if needed to add more than two standards, 1391 v4l2-common.c should be fixed. 1392 */ 1393 1394 /* 1395 * Some macros to merge video standards in order to make live easier for the 1396 * drivers and V4L2 applications 1397 */ 1398 1399 /* 1400 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 1401 * Missing here. 1402 */ 1403 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 1404 V4L2_STD_NTSC_M_JP |\ 1405 V4L2_STD_NTSC_M_KR) 1406 /* Secam macros */ 1407 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 1408 V4L2_STD_SECAM_K |\ 1409 V4L2_STD_SECAM_K1) 1410 /* All Secam Standards */ 1411 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 1412 V4L2_STD_SECAM_G |\ 1413 V4L2_STD_SECAM_H |\ 1414 V4L2_STD_SECAM_DK |\ 1415 V4L2_STD_SECAM_L |\ 1416 V4L2_STD_SECAM_LC) 1417 /* PAL macros */ 1418 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 1419 V4L2_STD_PAL_B1 |\ 1420 V4L2_STD_PAL_G) 1421 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1422 V4L2_STD_PAL_D1 |\ 1423 V4L2_STD_PAL_K) 1424 /* 1425 * "Common" PAL - This macro is there to be compatible with the old 1426 * V4L1 concept of "PAL": /BGDKHI. 1427 * Several PAL standards are missing here: /M, /N and /Nc 1428 */ 1429 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1430 V4L2_STD_PAL_DK |\ 1431 V4L2_STD_PAL_H |\ 1432 V4L2_STD_PAL_I) 1433 /* Chroma "agnostic" standards */ 1434 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 1435 V4L2_STD_PAL_B1 |\ 1436 V4L2_STD_SECAM_B) 1437 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 1438 V4L2_STD_SECAM_G) 1439 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 1440 V4L2_STD_SECAM_H) 1441 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1442 V4L2_STD_SECAM_LC) 1443 #define V4L2_STD_GH (V4L2_STD_G |\ 1444 V4L2_STD_H) 1445 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1446 V4L2_STD_SECAM_DK) 1447 #define V4L2_STD_BG (V4L2_STD_B |\ 1448 V4L2_STD_G) 1449 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1450 V4L2_STD_PAL_N |\ 1451 V4L2_STD_PAL_Nc |\ 1452 V4L2_STD_NTSC) 1453 1454 /* Standards where MTS/BTSC stereo could be found */ 1455 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1456 V4L2_STD_PAL_M |\ 1457 V4L2_STD_PAL_N |\ 1458 V4L2_STD_PAL_Nc) 1459 1460 /* Standards for Countries with 60Hz Line frequency */ 1461 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1462 V4L2_STD_PAL_60 |\ 1463 V4L2_STD_NTSC |\ 1464 V4L2_STD_NTSC_443) 1465 /* Standards for Countries with 50Hz Line frequency */ 1466 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1467 V4L2_STD_PAL_N |\ 1468 V4L2_STD_PAL_Nc |\ 1469 V4L2_STD_SECAM) 1470 1471 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1472 V4L2_STD_ATSC_16_VSB) 1473 /* Macros with none and all analog standards */ 1474 #define V4L2_STD_UNKNOWN 0 1475 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1476 V4L2_STD_625_50) 1477 1478 struct v4l2_standard { 1479 __u32 index; 1480 v4l2_std_id id; 1481 __u8 name[24]; 1482 struct v4l2_fract frameperiod; /* Frames, not fields */ 1483 __u32 framelines; 1484 __u32 reserved[4]; 1485 }; 1486 1487 /* 1488 * D V B T T I M I N G S 1489 */ 1490 1491 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1492 * @width: total width of the active video in pixels 1493 * @height: total height of the active video in lines 1494 * @interlaced: Interlaced or progressive 1495 * @polarities: Positive or negative polarities 1496 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1497 * @hfrontporch:Horizontal front porch in pixels 1498 * @hsync: Horizontal Sync length in pixels 1499 * @hbackporch: Horizontal back porch in pixels 1500 * @vfrontporch:Vertical front porch in lines 1501 * @vsync: Vertical Sync length in lines 1502 * @vbackporch: Vertical back porch in lines 1503 * @il_vfrontporch:Vertical front porch for the even field 1504 * (aka field 2) of interlaced field formats 1505 * @il_vsync: Vertical Sync length for the even field 1506 * (aka field 2) of interlaced field formats 1507 * @il_vbackporch:Vertical back porch for the even field 1508 * (aka field 2) of interlaced field formats 1509 * @standards: Standards the timing belongs to 1510 * @flags: Flags 1511 * @picture_aspect: The picture aspect ratio (hor/vert). 1512 * @cea861_vic: VIC code as per the CEA-861 standard. 1513 * @hdmi_vic: VIC code as per the HDMI standard. 1514 * @reserved: Reserved fields, must be zeroed. 1515 * 1516 * A note regarding vertical interlaced timings: height refers to the total 1517 * height of the active video frame (= two fields). The blanking timings refer 1518 * to the blanking of each field. So the height of the total frame is 1519 * calculated as follows: 1520 * 1521 * tot_height = height + vfrontporch + vsync + vbackporch + 1522 * il_vfrontporch + il_vsync + il_vbackporch 1523 * 1524 * The active height of each field is height / 2. 1525 */ 1526 struct v4l2_bt_timings { 1527 __u32 width; 1528 __u32 height; 1529 __u32 interlaced; 1530 __u32 polarities; 1531 __u64 pixelclock; 1532 __u32 hfrontporch; 1533 __u32 hsync; 1534 __u32 hbackporch; 1535 __u32 vfrontporch; 1536 __u32 vsync; 1537 __u32 vbackporch; 1538 __u32 il_vfrontporch; 1539 __u32 il_vsync; 1540 __u32 il_vbackporch; 1541 __u32 standards; 1542 __u32 flags; 1543 struct v4l2_fract picture_aspect; 1544 __u8 cea861_vic; 1545 __u8 hdmi_vic; 1546 __u8 reserved[46]; 1547 } __attribute__ ((packed)); 1548 1549 /* Interlaced or progressive format */ 1550 #define V4L2_DV_PROGRESSIVE 0 1551 #define V4L2_DV_INTERLACED 1 1552 1553 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1554 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1555 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1556 1557 /* Timings standards */ 1558 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1559 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1560 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1561 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1562 #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */ 1563 1564 /* Flags */ 1565 1566 /* 1567 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1568 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1569 * intervals are reduced, allowing a higher resolution over the same 1570 * bandwidth. This is a read-only flag. 1571 */ 1572 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1573 /* 1574 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1575 * of six. These formats can be optionally played at 1 / 1.001 speed. 1576 * This is a read-only flag. 1577 */ 1578 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1579 /* 1580 * CEA-861 specific: only valid for video transmitters, the flag is cleared 1581 * by receivers. 1582 * If the framerate of the format is a multiple of six, then the pixelclock 1583 * used to set up the transmitter is divided by 1.001 to make it compatible 1584 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1585 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1586 * such frequencies, then the flag will also be cleared. 1587 */ 1588 #define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1589 /* 1590 * Specific to interlaced formats: if set, then field 1 is really one half-line 1591 * longer and field 2 is really one half-line shorter, so each field has 1592 * exactly the same number of half-lines. Whether half-lines can be detected 1593 * or used depends on the hardware. 1594 */ 1595 #define V4L2_DV_FL_HALF_LINE (1 << 3) 1596 /* 1597 * If set, then this is a Consumer Electronics (CE) video format. Such formats 1598 * differ from other formats (commonly called IT formats) in that if RGB 1599 * encoding is used then by default the RGB values use limited range (i.e. 1600 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861 1601 * except for the 640x480 format are CE formats. 1602 */ 1603 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4) 1604 /* Some formats like SMPTE-125M have an interlaced signal with a odd 1605 * total height. For these formats, if this flag is set, the first 1606 * field has the extra line. If not, it is the second field. 1607 */ 1608 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5) 1609 /* 1610 * If set, then the picture_aspect field is valid. Otherwise assume that the 1611 * pixels are square, so the picture aspect ratio is the same as the width to 1612 * height ratio. 1613 */ 1614 #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6) 1615 /* 1616 * If set, then the cea861_vic field is valid and contains the Video 1617 * Identification Code as per the CEA-861 standard. 1618 */ 1619 #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7) 1620 /* 1621 * If set, then the hdmi_vic field is valid and contains the Video 1622 * Identification Code as per the HDMI standard (HDMI Vendor Specific 1623 * InfoFrame). 1624 */ 1625 #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8) 1626 /* 1627 * CEA-861 specific: only valid for video receivers. 1628 * If set, then HW can detect the difference between regular FPS and 1629 * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with 1630 * the V4L2_DV_FL_CAN_REDUCE_FPS flag set. 1631 */ 1632 #define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9) 1633 1634 /* A few useful defines to calculate the total blanking and frame sizes */ 1635 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1636 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1637 #define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1638 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1639 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1640 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1641 ((bt)->interlaced ? \ 1642 ((bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) : 0)) 1643 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1644 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1645 1646 /** struct v4l2_dv_timings - DV timings 1647 * @type: the type of the timings 1648 * @bt: BT656/1120 timings 1649 */ 1650 struct v4l2_dv_timings { 1651 __u32 type; 1652 union { 1653 struct v4l2_bt_timings bt; 1654 __u32 reserved[32]; 1655 }; 1656 } __attribute__ ((packed)); 1657 1658 /* Values for the type field */ 1659 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1660 1661 1662 /** struct v4l2_enum_dv_timings - DV timings enumeration 1663 * @index: enumeration index 1664 * @pad: the pad number for which to enumerate timings (used with 1665 * v4l-subdev nodes only) 1666 * @reserved: must be zeroed 1667 * @timings: the timings for the given index 1668 */ 1669 struct v4l2_enum_dv_timings { 1670 __u32 index; 1671 __u32 pad; 1672 __u32 reserved[2]; 1673 struct v4l2_dv_timings timings; 1674 }; 1675 1676 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1677 * @min_width: width in pixels 1678 * @max_width: width in pixels 1679 * @min_height: height in lines 1680 * @max_height: height in lines 1681 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1682 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1683 * @standards: Supported standards 1684 * @capabilities: Supported capabilities 1685 * @reserved: Must be zeroed 1686 */ 1687 struct v4l2_bt_timings_cap { 1688 __u32 min_width; 1689 __u32 max_width; 1690 __u32 min_height; 1691 __u32 max_height; 1692 __u64 min_pixelclock; 1693 __u64 max_pixelclock; 1694 __u32 standards; 1695 __u32 capabilities; 1696 __u32 reserved[16]; 1697 } __attribute__ ((packed)); 1698 1699 /* Supports interlaced formats */ 1700 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1701 /* Supports progressive formats */ 1702 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1703 /* Supports CVT/GTF reduced blanking */ 1704 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1705 /* Supports custom formats */ 1706 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1707 1708 /** struct v4l2_dv_timings_cap - DV timings capabilities 1709 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1710 * @pad: the pad number for which to query capabilities (used with 1711 * v4l-subdev nodes only) 1712 * @bt: the BT656/1120 timings capabilities 1713 */ 1714 struct v4l2_dv_timings_cap { 1715 __u32 type; 1716 __u32 pad; 1717 __u32 reserved[2]; 1718 union { 1719 struct v4l2_bt_timings_cap bt; 1720 __u32 raw_data[32]; 1721 }; 1722 }; 1723 1724 1725 /* 1726 * V I D E O I N P U T S 1727 */ 1728 struct v4l2_input { 1729 __u32 index; /* Which input */ 1730 __u8 name[32]; /* Label */ 1731 __u32 type; /* Type of input */ 1732 __u32 audioset; /* Associated audios (bitfield) */ 1733 __u32 tuner; /* Tuner index */ 1734 v4l2_std_id std; 1735 __u32 status; 1736 __u32 capabilities; 1737 __u32 reserved[3]; 1738 }; 1739 1740 /* Values for the 'type' field */ 1741 #define V4L2_INPUT_TYPE_TUNER 1 1742 #define V4L2_INPUT_TYPE_CAMERA 2 1743 #define V4L2_INPUT_TYPE_TOUCH 3 1744 1745 /* field 'status' - general */ 1746 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1747 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1748 #define V4L2_IN_ST_NO_COLOR 0x00000004 1749 1750 /* field 'status' - sensor orientation */ 1751 /* If sensor is mounted upside down set both bits */ 1752 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1753 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1754 1755 /* field 'status' - analog */ 1756 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1757 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1758 #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */ 1759 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */ 1760 1761 /* field 'status' - digital */ 1762 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1763 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1764 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1765 1766 /* field 'status' - VCR and set-top box */ 1767 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1768 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1769 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1770 1771 /* capabilities flags */ 1772 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1773 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1774 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1775 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1776 1777 /* 1778 * V I D E O O U T P U T S 1779 */ 1780 struct v4l2_output { 1781 __u32 index; /* Which output */ 1782 __u8 name[32]; /* Label */ 1783 __u32 type; /* Type of output */ 1784 __u32 audioset; /* Associated audios (bitfield) */ 1785 __u32 modulator; /* Associated modulator */ 1786 v4l2_std_id std; 1787 __u32 capabilities; 1788 __u32 reserved[3]; 1789 }; 1790 /* Values for the 'type' field */ 1791 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1792 #define V4L2_OUTPUT_TYPE_ANALOG 2 1793 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1794 1795 /* capabilities flags */ 1796 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1797 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1798 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1799 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1800 1801 /* 1802 * C O N T R O L S 1803 */ 1804 struct v4l2_control { 1805 __u32 id; 1806 __s32 value; 1807 }; 1808 1809 struct v4l2_ext_control { 1810 __u32 id; 1811 __u32 size; 1812 __u32 reserved2[1]; 1813 union { 1814 __s32 value; 1815 __s64 value64; 1816 char *string; 1817 __u8 *p_u8; 1818 __u16 *p_u16; 1819 __u32 *p_u32; 1820 __s32 *p_s32; 1821 __s64 *p_s64; 1822 struct v4l2_area *p_area; 1823 struct v4l2_rect *p_rect; 1824 struct v4l2_ctrl_h264_sps *p_h264_sps; 1825 struct v4l2_ctrl_h264_pps *p_h264_pps; 1826 struct v4l2_ctrl_h264_scaling_matrix *p_h264_scaling_matrix; 1827 struct v4l2_ctrl_h264_pred_weights *p_h264_pred_weights; 1828 struct v4l2_ctrl_h264_slice_params *p_h264_slice_params; 1829 struct v4l2_ctrl_h264_decode_params *p_h264_decode_params; 1830 struct v4l2_ctrl_fwht_params *p_fwht_params; 1831 struct v4l2_ctrl_vp8_frame *p_vp8_frame; 1832 struct v4l2_ctrl_mpeg2_sequence *p_mpeg2_sequence; 1833 struct v4l2_ctrl_mpeg2_picture *p_mpeg2_picture; 1834 struct v4l2_ctrl_mpeg2_quantisation *p_mpeg2_quantisation; 1835 struct v4l2_ctrl_vp9_compressed_hdr *p_vp9_compressed_hdr_probs; 1836 struct v4l2_ctrl_vp9_frame *p_vp9_frame; 1837 struct v4l2_ctrl_hevc_sps *p_hevc_sps; 1838 struct v4l2_ctrl_hevc_pps *p_hevc_pps; 1839 struct v4l2_ctrl_hevc_slice_params *p_hevc_slice_params; 1840 struct v4l2_ctrl_hevc_scaling_matrix *p_hevc_scaling_matrix; 1841 struct v4l2_ctrl_hevc_decode_params *p_hevc_decode_params; 1842 struct v4l2_ctrl_av1_sequence *p_av1_sequence; 1843 struct v4l2_ctrl_av1_tile_group_entry *p_av1_tile_group_entry; 1844 struct v4l2_ctrl_av1_frame *p_av1_frame; 1845 struct v4l2_ctrl_av1_film_grain *p_av1_film_grain; 1846 struct v4l2_ctrl_hdr10_cll_info *p_hdr10_cll_info; 1847 struct v4l2_ctrl_hdr10_mastering_display *p_hdr10_mastering_display; 1848 void *ptr; 1849 } __attribute__ ((packed)); 1850 } __attribute__ ((packed)); 1851 1852 struct v4l2_ext_controls { 1853 union { 1854 __u32 ctrl_class; 1855 __u32 which; 1856 }; 1857 __u32 count; 1858 __u32 error_idx; 1859 __s32 request_fd; 1860 __u32 reserved[1]; 1861 struct v4l2_ext_control *controls; 1862 }; 1863 1864 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1865 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1866 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL) 1867 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1868 #define V4L2_CTRL_MAX_DIMS (4) 1869 #define V4L2_CTRL_WHICH_CUR_VAL 0 1870 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000 1871 #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000 1872 #define V4L2_CTRL_WHICH_MIN_VAL 0x0f020000 1873 #define V4L2_CTRL_WHICH_MAX_VAL 0x0f030000 1874 1875 enum v4l2_ctrl_type { 1876 V4L2_CTRL_TYPE_INTEGER = 1, 1877 V4L2_CTRL_TYPE_BOOLEAN = 2, 1878 V4L2_CTRL_TYPE_MENU = 3, 1879 V4L2_CTRL_TYPE_BUTTON = 4, 1880 V4L2_CTRL_TYPE_INTEGER64 = 5, 1881 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1882 V4L2_CTRL_TYPE_STRING = 7, 1883 V4L2_CTRL_TYPE_BITMASK = 8, 1884 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1885 1886 /* Compound types are >= 0x0100 */ 1887 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1888 V4L2_CTRL_TYPE_U8 = 0x0100, 1889 V4L2_CTRL_TYPE_U16 = 0x0101, 1890 V4L2_CTRL_TYPE_U32 = 0x0102, 1891 V4L2_CTRL_TYPE_AREA = 0x0106, 1892 V4L2_CTRL_TYPE_RECT = 0x0107, 1893 1894 V4L2_CTRL_TYPE_HDR10_CLL_INFO = 0x0110, 1895 V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY = 0x0111, 1896 1897 V4L2_CTRL_TYPE_H264_SPS = 0x0200, 1898 V4L2_CTRL_TYPE_H264_PPS = 0x0201, 1899 V4L2_CTRL_TYPE_H264_SCALING_MATRIX = 0x0202, 1900 V4L2_CTRL_TYPE_H264_SLICE_PARAMS = 0x0203, 1901 V4L2_CTRL_TYPE_H264_DECODE_PARAMS = 0x0204, 1902 V4L2_CTRL_TYPE_H264_PRED_WEIGHTS = 0x0205, 1903 1904 V4L2_CTRL_TYPE_FWHT_PARAMS = 0x0220, 1905 1906 V4L2_CTRL_TYPE_VP8_FRAME = 0x0240, 1907 1908 V4L2_CTRL_TYPE_MPEG2_QUANTISATION = 0x0250, 1909 V4L2_CTRL_TYPE_MPEG2_SEQUENCE = 0x0251, 1910 V4L2_CTRL_TYPE_MPEG2_PICTURE = 0x0252, 1911 1912 V4L2_CTRL_TYPE_VP9_COMPRESSED_HDR = 0x0260, 1913 V4L2_CTRL_TYPE_VP9_FRAME = 0x0261, 1914 1915 V4L2_CTRL_TYPE_HEVC_SPS = 0x0270, 1916 V4L2_CTRL_TYPE_HEVC_PPS = 0x0271, 1917 V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS = 0x0272, 1918 V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX = 0x0273, 1919 V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS = 0x0274, 1920 V4L2_CTRL_TYPE_HEVC_EXT_SPS_ST_RPS = 0x0275, 1921 V4L2_CTRL_TYPE_HEVC_EXT_SPS_LT_RPS = 0x0276, 1922 1923 V4L2_CTRL_TYPE_AV1_SEQUENCE = 0x280, 1924 V4L2_CTRL_TYPE_AV1_TILE_GROUP_ENTRY = 0x281, 1925 V4L2_CTRL_TYPE_AV1_FRAME = 0x282, 1926 V4L2_CTRL_TYPE_AV1_FILM_GRAIN = 0x283, 1927 }; 1928 1929 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1930 struct v4l2_queryctrl { 1931 __u32 id; 1932 __u32 type; /* enum v4l2_ctrl_type */ 1933 __u8 name[32]; /* Whatever */ 1934 __s32 minimum; /* Note signedness */ 1935 __s32 maximum; 1936 __s32 step; 1937 __s32 default_value; 1938 __u32 flags; 1939 __u32 reserved[2]; 1940 }; 1941 1942 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1943 struct v4l2_query_ext_ctrl { 1944 __u32 id; 1945 __u32 type; 1946 char name[32]; 1947 __s64 minimum; 1948 __s64 maximum; 1949 __u64 step; 1950 __s64 default_value; 1951 __u32 flags; 1952 __u32 elem_size; 1953 __u32 elems; 1954 __u32 nr_of_dims; 1955 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1956 __u32 reserved[32]; 1957 }; 1958 1959 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1960 struct v4l2_querymenu { 1961 __u32 id; 1962 __u32 index; 1963 union { 1964 __u8 name[32]; /* Whatever */ 1965 __s64 value; 1966 }; 1967 __u32 reserved; 1968 } __attribute__ ((packed)); 1969 1970 /* Control flags */ 1971 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1972 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1973 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1974 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1975 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1976 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1977 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1978 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1979 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1980 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 1981 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400 1982 #define V4L2_CTRL_FLAG_DYNAMIC_ARRAY 0x0800 1983 #define V4L2_CTRL_FLAG_HAS_WHICH_MIN_MAX 0x1000 1984 1985 /* Query flags, to be ORed with the control ID */ 1986 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1987 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1988 1989 /* User-class control IDs defined by V4L2 */ 1990 #define V4L2_CID_MAX_CTRLS 1024 1991 /* IDs reserved for driver specific controls */ 1992 #define V4L2_CID_PRIVATE_BASE 0x08000000 1993 1994 1995 /* 1996 * T U N I N G 1997 */ 1998 struct v4l2_tuner { 1999 __u32 index; 2000 __u8 name[32]; 2001 __u32 type; /* enum v4l2_tuner_type */ 2002 __u32 capability; 2003 __u32 rangelow; 2004 __u32 rangehigh; 2005 __u32 rxsubchans; 2006 __u32 audmode; 2007 __s32 signal; 2008 __s32 afc; 2009 __u32 reserved[4]; 2010 }; 2011 2012 struct v4l2_modulator { 2013 __u32 index; 2014 __u8 name[32]; 2015 __u32 capability; 2016 __u32 rangelow; 2017 __u32 rangehigh; 2018 __u32 txsubchans; 2019 __u32 type; /* enum v4l2_tuner_type */ 2020 __u32 reserved[3]; 2021 }; 2022 2023 /* Flags for the 'capability' field */ 2024 #define V4L2_TUNER_CAP_LOW 0x0001 2025 #define V4L2_TUNER_CAP_NORM 0x0002 2026 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 2027 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 2028 #define V4L2_TUNER_CAP_STEREO 0x0010 2029 #define V4L2_TUNER_CAP_LANG2 0x0020 2030 #define V4L2_TUNER_CAP_SAP 0x0020 2031 #define V4L2_TUNER_CAP_LANG1 0x0040 2032 #define V4L2_TUNER_CAP_RDS 0x0080 2033 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 2034 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 2035 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 2036 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 2037 #define V4L2_TUNER_CAP_1HZ 0x1000 2038 2039 /* Flags for the 'rxsubchans' field */ 2040 #define V4L2_TUNER_SUB_MONO 0x0001 2041 #define V4L2_TUNER_SUB_STEREO 0x0002 2042 #define V4L2_TUNER_SUB_LANG2 0x0004 2043 #define V4L2_TUNER_SUB_SAP 0x0004 2044 #define V4L2_TUNER_SUB_LANG1 0x0008 2045 #define V4L2_TUNER_SUB_RDS 0x0010 2046 2047 /* Values for the 'audmode' field */ 2048 #define V4L2_TUNER_MODE_MONO 0x0000 2049 #define V4L2_TUNER_MODE_STEREO 0x0001 2050 #define V4L2_TUNER_MODE_LANG2 0x0002 2051 #define V4L2_TUNER_MODE_SAP 0x0002 2052 #define V4L2_TUNER_MODE_LANG1 0x0003 2053 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 2054 2055 struct v4l2_frequency { 2056 __u32 tuner; 2057 __u32 type; /* enum v4l2_tuner_type */ 2058 __u32 frequency; 2059 __u32 reserved[8]; 2060 }; 2061 2062 #define V4L2_BAND_MODULATION_VSB (1 << 1) 2063 #define V4L2_BAND_MODULATION_FM (1 << 2) 2064 #define V4L2_BAND_MODULATION_AM (1 << 3) 2065 2066 struct v4l2_frequency_band { 2067 __u32 tuner; 2068 __u32 type; /* enum v4l2_tuner_type */ 2069 __u32 index; 2070 __u32 capability; 2071 __u32 rangelow; 2072 __u32 rangehigh; 2073 __u32 modulation; 2074 __u32 reserved[9]; 2075 }; 2076 2077 struct v4l2_hw_freq_seek { 2078 __u32 tuner; 2079 __u32 type; /* enum v4l2_tuner_type */ 2080 __u32 seek_upward; 2081 __u32 wrap_around; 2082 __u32 spacing; 2083 __u32 rangelow; 2084 __u32 rangehigh; 2085 __u32 reserved[5]; 2086 }; 2087 2088 /* 2089 * R D S 2090 */ 2091 2092 struct v4l2_rds_data { 2093 __u8 lsb; 2094 __u8 msb; 2095 __u8 block; 2096 } __attribute__ ((packed)); 2097 2098 #define V4L2_RDS_BLOCK_MSK 0x7 2099 #define V4L2_RDS_BLOCK_A 0 2100 #define V4L2_RDS_BLOCK_B 1 2101 #define V4L2_RDS_BLOCK_C 2 2102 #define V4L2_RDS_BLOCK_D 3 2103 #define V4L2_RDS_BLOCK_C_ALT 4 2104 #define V4L2_RDS_BLOCK_INVALID 7 2105 2106 #define V4L2_RDS_BLOCK_CORRECTED 0x40 2107 #define V4L2_RDS_BLOCK_ERROR 0x80 2108 2109 /* 2110 * A U D I O 2111 */ 2112 struct v4l2_audio { 2113 __u32 index; 2114 __u8 name[32]; 2115 __u32 capability; 2116 __u32 mode; 2117 __u32 reserved[2]; 2118 }; 2119 2120 /* Flags for the 'capability' field */ 2121 #define V4L2_AUDCAP_STEREO 0x00001 2122 #define V4L2_AUDCAP_AVL 0x00002 2123 2124 /* Flags for the 'mode' field */ 2125 #define V4L2_AUDMODE_AVL 0x00001 2126 2127 struct v4l2_audioout { 2128 __u32 index; 2129 __u8 name[32]; 2130 __u32 capability; 2131 __u32 mode; 2132 __u32 reserved[2]; 2133 }; 2134 2135 /* 2136 * M P E G S E R V I C E S 2137 */ 2138 #if 1 2139 #define V4L2_ENC_IDX_FRAME_I (0) 2140 #define V4L2_ENC_IDX_FRAME_P (1) 2141 #define V4L2_ENC_IDX_FRAME_B (2) 2142 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 2143 2144 struct v4l2_enc_idx_entry { 2145 __u64 offset; 2146 __u64 pts; 2147 __u32 length; 2148 __u32 flags; 2149 __u32 reserved[2]; 2150 }; 2151 2152 #define V4L2_ENC_IDX_ENTRIES (64) 2153 struct v4l2_enc_idx { 2154 __u32 entries; 2155 __u32 entries_cap; 2156 __u32 reserved[4]; 2157 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 2158 }; 2159 2160 2161 #define V4L2_ENC_CMD_START (0) 2162 #define V4L2_ENC_CMD_STOP (1) 2163 #define V4L2_ENC_CMD_PAUSE (2) 2164 #define V4L2_ENC_CMD_RESUME (3) 2165 2166 /* Flags for V4L2_ENC_CMD_STOP */ 2167 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 2168 2169 struct v4l2_encoder_cmd { 2170 __u32 cmd; 2171 __u32 flags; 2172 union { 2173 struct { 2174 __u32 data[8]; 2175 } raw; 2176 }; 2177 }; 2178 2179 /* Decoder commands */ 2180 #define V4L2_DEC_CMD_START (0) 2181 #define V4L2_DEC_CMD_STOP (1) 2182 #define V4L2_DEC_CMD_PAUSE (2) 2183 #define V4L2_DEC_CMD_RESUME (3) 2184 #define V4L2_DEC_CMD_FLUSH (4) 2185 2186 /* Flags for V4L2_DEC_CMD_START */ 2187 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 2188 2189 /* Flags for V4L2_DEC_CMD_PAUSE */ 2190 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 2191 2192 /* Flags for V4L2_DEC_CMD_STOP */ 2193 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 2194 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 2195 2196 /* Play format requirements (returned by the driver): */ 2197 2198 /* The decoder has no special format requirements */ 2199 #define V4L2_DEC_START_FMT_NONE (0) 2200 /* The decoder requires full GOPs */ 2201 #define V4L2_DEC_START_FMT_GOP (1) 2202 2203 /* The structure must be zeroed before use by the application 2204 This ensures it can be extended safely in the future. */ 2205 struct v4l2_decoder_cmd { 2206 __u32 cmd; 2207 __u32 flags; 2208 union { 2209 struct { 2210 __u64 pts; 2211 } stop; 2212 2213 struct { 2214 /* 0 or 1000 specifies normal speed, 2215 1 specifies forward single stepping, 2216 -1 specifies backward single stepping, 2217 >1: playback at speed/1000 of the normal speed, 2218 <-1: reverse playback at (-speed/1000) of the normal speed. */ 2219 __s32 speed; 2220 __u32 format; 2221 } start; 2222 2223 struct { 2224 __u32 data[16]; 2225 } raw; 2226 }; 2227 }; 2228 #endif 2229 2230 2231 /* 2232 * D A T A S E R V I C E S ( V B I ) 2233 * 2234 * Data services API by Michael Schimek 2235 */ 2236 2237 /* Raw VBI */ 2238 struct v4l2_vbi_format { 2239 __u32 sampling_rate; /* in 1 Hz */ 2240 __u32 offset; 2241 __u32 samples_per_line; 2242 __u32 sample_format; /* V4L2_PIX_FMT_* */ 2243 __s32 start[2]; 2244 __u32 count[2]; 2245 __u32 flags; /* V4L2_VBI_* */ 2246 __u32 reserved[2]; /* must be zero */ 2247 }; 2248 2249 /* VBI flags */ 2250 #define V4L2_VBI_UNSYNC (1 << 0) 2251 #define V4L2_VBI_INTERLACED (1 << 1) 2252 2253 /* ITU-R start lines for each field */ 2254 #define V4L2_VBI_ITU_525_F1_START (1) 2255 #define V4L2_VBI_ITU_525_F2_START (264) 2256 #define V4L2_VBI_ITU_625_F1_START (1) 2257 #define V4L2_VBI_ITU_625_F2_START (314) 2258 2259 /* Sliced VBI 2260 * 2261 * This implements is a proposal V4L2 API to allow SLICED VBI 2262 * required for some hardware encoders. It should change without 2263 * notice in the definitive implementation. 2264 */ 2265 2266 struct v4l2_sliced_vbi_format { 2267 __u16 service_set; 2268 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2269 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2270 (equals frame lines 313-336 for 625 line video 2271 standards, 263-286 for 525 line standards) */ 2272 __u16 service_lines[2][24]; 2273 __u32 io_size; 2274 __u32 reserved[2]; /* must be zero */ 2275 }; 2276 2277 /* Teletext World System Teletext 2278 (WST), defined on ITU-R BT.653-2 */ 2279 #define V4L2_SLICED_TELETEXT_B (0x0001) 2280 /* Video Program System, defined on ETS 300 231*/ 2281 #define V4L2_SLICED_VPS (0x0400) 2282 /* Closed Caption, defined on EIA-608 */ 2283 #define V4L2_SLICED_CAPTION_525 (0x1000) 2284 /* Wide Screen System, defined on ITU-R BT1119.1 */ 2285 #define V4L2_SLICED_WSS_625 (0x4000) 2286 2287 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 2288 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 2289 2290 struct v4l2_sliced_vbi_cap { 2291 __u16 service_set; 2292 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2293 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2294 (equals frame lines 313-336 for 625 line video 2295 standards, 263-286 for 525 line standards) */ 2296 __u16 service_lines[2][24]; 2297 __u32 type; /* enum v4l2_buf_type */ 2298 __u32 reserved[3]; /* must be 0 */ 2299 }; 2300 2301 struct v4l2_sliced_vbi_data { 2302 __u32 id; 2303 __u32 field; /* 0: first field, 1: second field */ 2304 __u32 line; /* 1-23 */ 2305 __u32 reserved; /* must be 0 */ 2306 __u8 data[48]; 2307 }; 2308 2309 /* 2310 * Sliced VBI data inserted into MPEG Streams 2311 */ 2312 2313 /* 2314 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 2315 * 2316 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 2317 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 2318 * data 2319 * 2320 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 2321 * definitions are not included here. See the MPEG-2 specifications for details 2322 * on these headers. 2323 */ 2324 2325 /* Line type IDs */ 2326 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 2327 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 2328 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 2329 #define V4L2_MPEG_VBI_IVTV_VPS (7) 2330 2331 struct v4l2_mpeg_vbi_itv0_line { 2332 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 2333 __u8 data[42]; /* Sliced VBI data for the line */ 2334 } __attribute__ ((packed)); 2335 2336 struct v4l2_mpeg_vbi_itv0 { 2337 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 2338 struct v4l2_mpeg_vbi_itv0_line line[35]; 2339 } __attribute__ ((packed)); 2340 2341 struct v4l2_mpeg_vbi_ITV0 { 2342 struct v4l2_mpeg_vbi_itv0_line line[36]; 2343 } __attribute__ ((packed)); 2344 2345 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 2346 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 2347 2348 struct v4l2_mpeg_vbi_fmt_ivtv { 2349 __u8 magic[4]; 2350 union { 2351 struct v4l2_mpeg_vbi_itv0 itv0; 2352 struct v4l2_mpeg_vbi_ITV0 ITV0; 2353 }; 2354 } __attribute__ ((packed)); 2355 2356 /* 2357 * A G G R E G A T E S T R U C T U R E S 2358 */ 2359 2360 /** 2361 * struct v4l2_plane_pix_format - additional, per-plane format definition 2362 * @sizeimage: maximum size in bytes required for data, for which 2363 * this plane will be used 2364 * @bytesperline: distance in bytes between the leftmost pixels in two 2365 * adjacent lines 2366 * @reserved: drivers and applications must zero this array 2367 */ 2368 struct v4l2_plane_pix_format { 2369 __u32 sizeimage; 2370 __u32 bytesperline; 2371 __u16 reserved[6]; 2372 } __attribute__ ((packed)); 2373 2374 /** 2375 * struct v4l2_pix_format_mplane - multiplanar format definition 2376 * @width: image width in pixels 2377 * @height: image height in pixels 2378 * @pixelformat: little endian four character code (fourcc) 2379 * @field: enum v4l2_field; field order (for interlaced video) 2380 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 2381 * @plane_fmt: per-plane information 2382 * @num_planes: number of planes for this format 2383 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 2384 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding 2385 * @hsv_enc: enum v4l2_hsv_encoding, HSV encoding 2386 * @quantization: enum v4l2_quantization, colorspace quantization 2387 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function 2388 * @reserved: drivers and applications must zero this array 2389 */ 2390 struct v4l2_pix_format_mplane { 2391 __u32 width; 2392 __u32 height; 2393 __u32 pixelformat; 2394 __u32 field; 2395 __u32 colorspace; 2396 2397 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 2398 __u8 num_planes; 2399 __u8 flags; 2400 union { 2401 __u8 ycbcr_enc; 2402 __u8 hsv_enc; 2403 }; 2404 __u8 quantization; 2405 __u8 xfer_func; 2406 __u8 reserved[7]; 2407 } __attribute__ ((packed)); 2408 2409 /** 2410 * struct v4l2_sdr_format - SDR format definition 2411 * @pixelformat: little endian four character code (fourcc) 2412 * @buffersize: maximum size in bytes required for data 2413 * @reserved: drivers and applications must zero this array 2414 */ 2415 struct v4l2_sdr_format { 2416 __u32 pixelformat; 2417 __u32 buffersize; 2418 __u8 reserved[24]; 2419 } __attribute__ ((packed)); 2420 2421 /** 2422 * struct v4l2_meta_format - metadata format definition 2423 * @dataformat: little endian four character code (fourcc) 2424 * @buffersize: maximum size in bytes required for data 2425 * @width: number of data units of data per line (valid for line 2426 * based formats only, see format documentation) 2427 * @height: number of lines of data per buffer (valid for line based 2428 * formats only) 2429 * @bytesperline: offset between the beginnings of two adjacent lines in 2430 * bytes (valid for line based formats only) 2431 */ 2432 struct v4l2_meta_format { 2433 __u32 dataformat; 2434 __u32 buffersize; 2435 __u32 width; 2436 __u32 height; 2437 __u32 bytesperline; 2438 } __attribute__ ((packed)); 2439 2440 /** 2441 * struct v4l2_format - stream data format 2442 * @type: enum v4l2_buf_type; type of the data stream 2443 * @fmt.pix: definition of an image format 2444 * @fmt.pix_mp: definition of a multiplanar image format 2445 * @fmt.win: definition of an overlaid image 2446 * @fmt.vbi: raw VBI capture or output parameters 2447 * @fmt.sliced: sliced VBI capture or output parameters 2448 * @fmt.raw_data: placeholder for future extensions and custom formats 2449 * @fmt: union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr, 2450 * @meta and @raw_data 2451 */ 2452 struct v4l2_format { 2453 __u32 type; 2454 union { 2455 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 2456 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 2457 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 2458 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 2459 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 2460 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 2461 struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */ 2462 __u8 raw_data[200]; /* user-defined */ 2463 } fmt; 2464 }; 2465 2466 /* Stream type-dependent parameters 2467 */ 2468 struct v4l2_streamparm { 2469 __u32 type; /* enum v4l2_buf_type */ 2470 union { 2471 struct v4l2_captureparm capture; 2472 struct v4l2_outputparm output; 2473 __u8 raw_data[200]; /* user-defined */ 2474 } parm; 2475 }; 2476 2477 /* 2478 * E V E N T S 2479 */ 2480 2481 #define V4L2_EVENT_ALL 0 2482 #define V4L2_EVENT_VSYNC 1 2483 #define V4L2_EVENT_EOS 2 2484 #define V4L2_EVENT_CTRL 3 2485 #define V4L2_EVENT_FRAME_SYNC 4 2486 #define V4L2_EVENT_SOURCE_CHANGE 5 2487 #define V4L2_EVENT_MOTION_DET 6 2488 #define V4L2_EVENT_PRIVATE_START 0x08000000 2489 2490 /* Payload for V4L2_EVENT_VSYNC */ 2491 struct v4l2_event_vsync { 2492 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 2493 __u8 field; 2494 } __attribute__ ((packed)); 2495 2496 /* Payload for V4L2_EVENT_CTRL */ 2497 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 2498 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 2499 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 2500 #define V4L2_EVENT_CTRL_CH_DIMENSIONS (1 << 3) 2501 2502 struct v4l2_event_ctrl { 2503 __u32 changes; 2504 __u32 type; 2505 union { 2506 __s32 value; 2507 __s64 value64; 2508 }; 2509 __u32 flags; 2510 __s32 minimum; 2511 __s32 maximum; 2512 __s32 step; 2513 __s32 default_value; 2514 }; 2515 2516 struct v4l2_event_frame_sync { 2517 __u32 frame_sequence; 2518 }; 2519 2520 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 2521 2522 struct v4l2_event_src_change { 2523 __u32 changes; 2524 }; 2525 2526 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 2527 2528 /** 2529 * struct v4l2_event_motion_det - motion detection event 2530 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 2531 * frame_sequence field is valid. 2532 * @frame_sequence: the frame sequence number associated with this event. 2533 * @region_mask: which regions detected motion. 2534 */ 2535 struct v4l2_event_motion_det { 2536 __u32 flags; 2537 __u32 frame_sequence; 2538 __u32 region_mask; 2539 }; 2540 2541 struct v4l2_event { 2542 __u32 type; 2543 union { 2544 struct v4l2_event_vsync vsync; 2545 struct v4l2_event_ctrl ctrl; 2546 struct v4l2_event_frame_sync frame_sync; 2547 struct v4l2_event_src_change src_change; 2548 struct v4l2_event_motion_det motion_det; 2549 __u8 data[64]; 2550 } u; 2551 __u32 pending; 2552 __u32 sequence; 2553 struct timespec timestamp; 2554 __u32 id; 2555 __u32 reserved[8]; 2556 }; 2557 2558 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2559 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2560 2561 struct v4l2_event_subscription { 2562 __u32 type; 2563 __u32 id; 2564 __u32 flags; 2565 __u32 reserved[5]; 2566 }; 2567 2568 /* 2569 * A D V A N C E D D E B U G G I N G 2570 * 2571 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2572 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2573 */ 2574 2575 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2576 2577 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2578 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2579 2580 /* The following four defines are no longer in use */ 2581 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2582 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2583 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2584 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2585 2586 struct v4l2_dbg_match { 2587 __u32 type; /* Match type */ 2588 union { /* Match this chip, meaning determined by type */ 2589 __u32 addr; 2590 char name[32]; 2591 }; 2592 } __attribute__ ((packed)); 2593 2594 struct v4l2_dbg_register { 2595 struct v4l2_dbg_match match; 2596 __u32 size; /* register size in bytes */ 2597 __u64 reg; 2598 __u64 val; 2599 } __attribute__ ((packed)); 2600 2601 #define V4L2_CHIP_FL_READABLE (1 << 0) 2602 #define V4L2_CHIP_FL_WRITABLE (1 << 1) 2603 2604 /* VIDIOC_DBG_G_CHIP_INFO */ 2605 struct v4l2_dbg_chip_info { 2606 struct v4l2_dbg_match match; 2607 char name[32]; 2608 __u32 flags; 2609 __u32 reserved[32]; 2610 } __attribute__ ((packed)); 2611 2612 /** 2613 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2614 * @index: on return, index of the first created buffer 2615 * @count: entry: number of requested buffers, 2616 * return: number of created buffers 2617 * @memory: enum v4l2_memory; buffer memory type 2618 * @format: frame format, for which buffers are requested 2619 * @capabilities: capabilities of this buffer type. 2620 * @flags: additional buffer management attributes (ignored unless the 2621 * queue has V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS capability 2622 * and configured for MMAP streaming I/O). 2623 * @max_num_buffers: if V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS capability flag is set 2624 * this field indicate the maximum possible number of buffers 2625 * for this queue. 2626 * @reserved: future extensions 2627 */ 2628 struct v4l2_create_buffers { 2629 __u32 index; 2630 __u32 count; 2631 __u32 memory; 2632 struct v4l2_format format; 2633 __u32 capabilities; 2634 __u32 flags; 2635 __u32 max_num_buffers; 2636 __u32 reserved[5]; 2637 }; 2638 2639 /** 2640 * struct v4l2_remove_buffers - VIDIOC_REMOVE_BUFS argument 2641 * @index: the first buffer to be removed 2642 * @count: number of buffers to removed 2643 * @type: enum v4l2_buf_type 2644 * @reserved: future extensions 2645 */ 2646 struct v4l2_remove_buffers { 2647 __u32 index; 2648 __u32 count; 2649 __u32 type; 2650 __u32 reserved[13]; 2651 }; 2652 2653 /* 2654 * 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 2655 * 2656 */ 2657 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2658 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2659 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2660 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2661 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2662 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2663 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2664 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2665 #define VIDIOC_OVERLAY _IOW('V', 14, int) 2666 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2667 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2668 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2669 #define VIDIOC_STREAMON _IOW('V', 18, int) 2670 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 2671 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2672 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2673 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2674 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2675 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2676 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2677 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2678 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2679 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2680 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2681 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2682 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2683 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2684 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2685 #define VIDIOC_G_INPUT _IOR('V', 38, int) 2686 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 2687 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2688 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2689 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2690 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2691 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2692 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2693 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2694 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2695 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2696 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2697 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2698 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2699 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2700 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2701 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2702 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2703 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2704 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2705 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2706 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2707 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2708 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2709 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2710 #define VIDIOC_LOG_STATUS _IO('V', 70) 2711 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2712 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2713 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2714 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2715 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2716 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2717 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2718 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2719 2720 /* 2721 * Experimental, meant for debugging, testing and internal use. 2722 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2723 * You must be root to use these ioctls. Never use these in applications! 2724 */ 2725 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2726 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2727 2728 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2729 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2730 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2731 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2732 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2733 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2734 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2735 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2736 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2737 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2738 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2739 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2740 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2741 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2742 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2743 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2744 2745 /* 2746 * Experimental, meant for debugging, testing and internal use. 2747 * Never use this in applications! 2748 */ 2749 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2750 2751 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2752 #define VIDIOC_REMOVE_BUFS _IOWR('V', 104, struct v4l2_remove_buffers) 2753 2754 2755 /* Reminder: when adding new ioctls please add support for them to 2756 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */ 2757 2758 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2759 2760 /* Deprecated definitions kept for backwards compatibility */ 2761 #define V4L2_PIX_FMT_HM12 V4L2_PIX_FMT_NV12_16L16 2762 #define V4L2_PIX_FMT_SUNXI_TILED_NV12 V4L2_PIX_FMT_NV12_32L32 2763 /* 2764 * This capability was never implemented, anyone using this cap should drop it 2765 * from their code. 2766 */ 2767 #define V4L2_CAP_ASYNCIO 0x02000000 2768 2769 #endif /* __LINUX_VIDEODEV2_H */
