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/usr/include/linux/videodev2.h
$ 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@xs4all.nl> 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 /* Deprecated, do not use */ 155 V4L2_BUF_TYPE_PRIVATE = 0x80, 156 }; 157 158 #define V4L2_TYPE_IS_MULTIPLANAR(type) \ 159 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \ 160 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 161 162 #define V4L2_TYPE_IS_OUTPUT(type) \ 163 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \ 164 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \ 165 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \ 166 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \ 167 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \ 168 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \ 169 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT \ 170 || (type) == V4L2_BUF_TYPE_META_OUTPUT) 171 172 #define V4L2_TYPE_IS_CAPTURE(type) (!V4L2_TYPE_IS_OUTPUT(type)) 173 174 enum v4l2_tuner_type { 175 V4L2_TUNER_RADIO = 1, 176 V4L2_TUNER_ANALOG_TV = 2, 177 V4L2_TUNER_DIGITAL_TV = 3, 178 V4L2_TUNER_SDR = 4, 179 V4L2_TUNER_RF = 5, 180 }; 181 182 /* Deprecated, do not use */ 183 #define V4L2_TUNER_ADC V4L2_TUNER_SDR 184 185 enum v4l2_memory { 186 V4L2_MEMORY_MMAP = 1, 187 V4L2_MEMORY_USERPTR = 2, 188 V4L2_MEMORY_OVERLAY = 3, 189 V4L2_MEMORY_DMABUF = 4, 190 }; 191 192 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 193 enum v4l2_colorspace { 194 /* 195 * Default colorspace, i.e. let the driver figure it out. 196 * Can only be used with video capture. 197 */ 198 V4L2_COLORSPACE_DEFAULT = 0, 199 200 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */ 201 V4L2_COLORSPACE_SMPTE170M = 1, 202 203 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */ 204 V4L2_COLORSPACE_SMPTE240M = 2, 205 206 /* Rec.709: used for HDTV */ 207 V4L2_COLORSPACE_REC709 = 3, 208 209 /* 210 * Deprecated, do not use. No driver will ever return this. This was 211 * based on a misunderstanding of the bt878 datasheet. 212 */ 213 V4L2_COLORSPACE_BT878 = 4, 214 215 /* 216 * NTSC 1953 colorspace. This only makes sense when dealing with 217 * really, really old NTSC recordings. Superseded by SMPTE 170M. 218 */ 219 V4L2_COLORSPACE_470_SYSTEM_M = 5, 220 221 /* 222 * EBU Tech 3213 PAL/SECAM colorspace. 223 */ 224 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 225 226 /* 227 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601 228 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG. 229 */ 230 V4L2_COLORSPACE_JPEG = 7, 231 232 /* For RGB colorspaces such as produces by most webcams. */ 233 V4L2_COLORSPACE_SRGB = 8, 234 235 /* opRGB colorspace */ 236 V4L2_COLORSPACE_OPRGB = 9, 237 238 /* BT.2020 colorspace, used for UHDTV. */ 239 V4L2_COLORSPACE_BT2020 = 10, 240 241 /* Raw colorspace: for RAW unprocessed images */ 242 V4L2_COLORSPACE_RAW = 11, 243 244 /* DCI-P3 colorspace, used by cinema projectors */ 245 V4L2_COLORSPACE_DCI_P3 = 12, 246 247 }; 248 249 /* 250 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace. 251 * This depends on whether this is a SDTV image (use SMPTE 170M), an 252 * HDTV image (use Rec. 709), or something else (use sRGB). 253 */ 254 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \ 255 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \ 256 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB)) 257 258 enum v4l2_xfer_func { 259 /* 260 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions 261 * for the various colorspaces: 262 * 263 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 264 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and 265 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709 266 * 267 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB 268 * 269 * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB 270 * 271 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M 272 * 273 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE 274 * 275 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3 276 */ 277 V4L2_XFER_FUNC_DEFAULT = 0, 278 V4L2_XFER_FUNC_709 = 1, 279 V4L2_XFER_FUNC_SRGB = 2, 280 V4L2_XFER_FUNC_OPRGB = 3, 281 V4L2_XFER_FUNC_SMPTE240M = 4, 282 V4L2_XFER_FUNC_NONE = 5, 283 V4L2_XFER_FUNC_DCI_P3 = 6, 284 V4L2_XFER_FUNC_SMPTE2084 = 7, 285 }; 286 287 /* 288 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function. 289 * This depends on the colorspace. 290 */ 291 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \ 292 ((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \ 293 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \ 294 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \ 295 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \ 296 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \ 297 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709))))) 298 299 enum v4l2_ycbcr_encoding { 300 /* 301 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the 302 * various colorspaces: 303 * 304 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 305 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB, 306 * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601 307 * 308 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709 309 * 310 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020 311 * 312 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M 313 */ 314 V4L2_YCBCR_ENC_DEFAULT = 0, 315 316 /* ITU-R 601 -- SDTV */ 317 V4L2_YCBCR_ENC_601 = 1, 318 319 /* Rec. 709 -- HDTV */ 320 V4L2_YCBCR_ENC_709 = 2, 321 322 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */ 323 V4L2_YCBCR_ENC_XV601 = 3, 324 325 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */ 326 V4L2_YCBCR_ENC_XV709 = 4, 327 328 /* 329 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added 330 * originally due to a misunderstanding of the sYCC standard. It should 331 * not be used, instead use V4L2_YCBCR_ENC_601. 332 */ 333 V4L2_YCBCR_ENC_SYCC = 5, 334 335 /* BT.2020 Non-constant Luminance Y'CbCr */ 336 V4L2_YCBCR_ENC_BT2020 = 6, 337 338 /* BT.2020 Constant Luminance Y'CbcCrc */ 339 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7, 340 341 /* SMPTE 240M -- Obsolete HDTV */ 342 V4L2_YCBCR_ENC_SMPTE240M = 8, 343 }; 344 345 /* 346 * enum v4l2_hsv_encoding values should not collide with the ones from 347 * enum v4l2_ycbcr_encoding. 348 */ 349 enum v4l2_hsv_encoding { 350 351 /* Hue mapped to 0 - 179 */ 352 V4L2_HSV_ENC_180 = 128, 353 354 /* Hue mapped to 0-255 */ 355 V4L2_HSV_ENC_256 = 129, 356 }; 357 358 /* 359 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding. 360 * This depends on the colorspace. 361 */ 362 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \ 363 (((colsp) == V4L2_COLORSPACE_REC709 || \ 364 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \ 365 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \ 366 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \ 367 V4L2_YCBCR_ENC_601))) 368 369 enum v4l2_quantization { 370 /* 371 * The default for R'G'B' quantization is always full range. 372 * For Y'CbCr the quantization is always limited range, except 373 * for COLORSPACE_JPEG: this is full range. 374 */ 375 V4L2_QUANTIZATION_DEFAULT = 0, 376 V4L2_QUANTIZATION_FULL_RANGE = 1, 377 V4L2_QUANTIZATION_LIM_RANGE = 2, 378 }; 379 380 /* 381 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization. 382 * This depends on whether the image is RGB or not, the colorspace. 383 * The Y'CbCr encoding is not used anymore, but is still there for backwards 384 * compatibility. 385 */ 386 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \ 387 (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \ 388 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE) 389 390 /* 391 * Deprecated names for opRGB colorspace (IEC 61966-2-5) 392 * 393 * WARNING: Please don't use these deprecated defines in your code, as 394 * there is a chance we have to remove them in the future. 395 */ 396 #define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB 397 #define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB 398 399 enum v4l2_priority { 400 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 401 V4L2_PRIORITY_BACKGROUND = 1, 402 V4L2_PRIORITY_INTERACTIVE = 2, 403 V4L2_PRIORITY_RECORD = 3, 404 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 405 }; 406 407 struct v4l2_rect { 408 __s32 left; 409 __s32 top; 410 __u32 width; 411 __u32 height; 412 }; 413 414 struct v4l2_fract { 415 __u32 numerator; 416 __u32 denominator; 417 }; 418 419 struct v4l2_area { 420 __u32 width; 421 __u32 height; 422 }; 423 424 /** 425 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 426 * 427 * @driver: name of the driver module (e.g. "bttv") 428 * @card: name of the card (e.g. "Hauppauge WinTV") 429 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 430 * @version: KERNEL_VERSION 431 * @capabilities: capabilities of the physical device as a whole 432 * @device_caps: capabilities accessed via this particular device (node) 433 * @reserved: reserved fields for future extensions 434 */ 435 struct v4l2_capability { 436 __u8 driver[16]; 437 __u8 card[32]; 438 __u8 bus_info[32]; 439 __u32 version; 440 __u32 capabilities; 441 __u32 device_caps; 442 __u32 reserved[3]; 443 }; 444 445 /* Values for 'capabilities' field */ 446 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 447 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 448 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 449 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 450 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 451 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 452 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 453 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 454 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 455 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 456 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 457 458 /* Is a video capture device that supports multiplanar formats */ 459 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 460 /* Is a video output device that supports multiplanar formats */ 461 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 462 /* Is a video mem-to-mem device that supports multiplanar formats */ 463 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 464 /* Is a video mem-to-mem device */ 465 #define V4L2_CAP_VIDEO_M2M 0x00008000 466 467 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 468 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 469 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 470 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 471 472 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */ 473 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */ 474 #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */ 475 #define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */ 476 477 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 478 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 479 #define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */ 480 481 #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */ 482 483 #define V4L2_CAP_IO_MC 0x20000000 /* Is input/output controlled by the media controller */ 484 485 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 486 487 /* 488 * V I D E O I M A G E F O R M A T 489 */ 490 struct v4l2_pix_format { 491 __u32 width; 492 __u32 height; 493 __u32 pixelformat; 494 __u32 field; /* enum v4l2_field */ 495 __u32 bytesperline; /* for padding, zero if unused */ 496 __u32 sizeimage; 497 __u32 colorspace; /* enum v4l2_colorspace */ 498 __u32 priv; /* private data, depends on pixelformat */ 499 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ 500 union { 501 /* enum v4l2_ycbcr_encoding */ 502 __u32 ycbcr_enc; 503 /* enum v4l2_hsv_encoding */ 504 __u32 hsv_enc; 505 }; 506 __u32 quantization; /* enum v4l2_quantization */ 507 __u32 xfer_func; /* enum v4l2_xfer_func */ 508 }; 509 510 /* Pixel format FOURCC depth Description */ 511 512 /* RGB formats (1 or 2 bytes per pixel) */ 513 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 514 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 515 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */ 516 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */ 517 #define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2') /* 16 rrrrgggg bbbbaaaa */ 518 #define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16 rrrrgggg bbbbxxxx */ 519 #define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16 aaaabbbb ggggrrrr */ 520 #define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16 xxxxbbbb ggggrrrr */ 521 #define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('G', 'A', '1', '2') /* 16 bbbbgggg rrrraaaa */ 522 #define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16 bbbbgggg rrrrxxxx */ 523 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 524 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */ 525 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */ 526 #define V4L2_PIX_FMT_RGBA555 v4l2_fourcc('R', 'A', '1', '5') /* 16 RGBA-5-5-5-1 */ 527 #define V4L2_PIX_FMT_RGBX555 v4l2_fourcc('R', 'X', '1', '5') /* 16 RGBX-5-5-5-1 */ 528 #define V4L2_PIX_FMT_ABGR555 v4l2_fourcc('A', 'B', '1', '5') /* 16 ABGR-1-5-5-5 */ 529 #define V4L2_PIX_FMT_XBGR555 v4l2_fourcc('X', 'B', '1', '5') /* 16 XBGR-1-5-5-5 */ 530 #define V4L2_PIX_FMT_BGRA555 v4l2_fourcc('B', 'A', '1', '5') /* 16 BGRA-5-5-5-1 */ 531 #define V4L2_PIX_FMT_BGRX555 v4l2_fourcc('B', 'X', '1', '5') /* 16 BGRX-5-5-5-1 */ 532 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 533 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 534 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */ 535 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */ 536 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 537 538 /* RGB formats (3 or 4 bytes per pixel) */ 539 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 540 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 541 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 542 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 543 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */ 544 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */ 545 #define V4L2_PIX_FMT_BGRA32 v4l2_fourcc('R', 'A', '2', '4') /* 32 ABGR-8-8-8-8 */ 546 #define V4L2_PIX_FMT_BGRX32 v4l2_fourcc('R', 'X', '2', '4') /* 32 XBGR-8-8-8-8 */ 547 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 548 #define V4L2_PIX_FMT_RGBA32 v4l2_fourcc('A', 'B', '2', '4') /* 32 RGBA-8-8-8-8 */ 549 #define V4L2_PIX_FMT_RGBX32 v4l2_fourcc('X', 'B', '2', '4') /* 32 RGBX-8-8-8-8 */ 550 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */ 551 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */ 552 #define V4L2_PIX_FMT_RGBX1010102 v4l2_fourcc('R', 'X', '3', '0') /* 32 RGBX-10-10-10-2 */ 553 #define V4L2_PIX_FMT_RGBA1010102 v4l2_fourcc('R', 'A', '3', '0') /* 32 RGBA-10-10-10-2 */ 554 #define V4L2_PIX_FMT_ARGB2101010 v4l2_fourcc('A', 'R', '3', '0') /* 32 ARGB-2-10-10-10 */ 555 556 /* RGB formats (6 or 8 bytes per pixel) */ 557 #define V4L2_PIX_FMT_BGR48_12 v4l2_fourcc('B', '3', '1', '2') /* 48 BGR 12-bit per component */ 558 #define V4L2_PIX_FMT_ABGR64_12 v4l2_fourcc('B', '4', '1', '2') /* 64 BGRA 12-bit per component */ 559 560 /* Grey formats */ 561 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 562 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 563 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 564 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 565 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 566 #define V4L2_PIX_FMT_Y012 v4l2_fourcc('Y', '0', '1', '2') /* 12 Greyscale */ 567 #define V4L2_PIX_FMT_Y14 v4l2_fourcc('Y', '1', '4', ' ') /* 14 Greyscale */ 568 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 569 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */ 570 571 /* Grey bit-packed formats */ 572 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 573 #define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */ 574 #define V4L2_PIX_FMT_IPU3_Y10 v4l2_fourcc('i', 'p', '3', 'y') /* IPU3 packed 10-bit greyscale */ 575 576 /* Palette formats */ 577 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 578 579 /* Chrominance formats */ 580 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 581 582 /* Luminance+Chrominance formats */ 583 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 584 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 585 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 586 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 587 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 588 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 589 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 590 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 591 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 592 #define V4L2_PIX_FMT_YUV24 v4l2_fourcc('Y', 'U', 'V', '3') /* 24 YUV-8-8-8 */ 593 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 594 #define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */ 595 #define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */ 596 #define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */ 597 #define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */ 598 #define V4L2_PIX_FMT_YUVA32 v4l2_fourcc('Y', 'U', 'V', 'A') /* 32 YUVA-8-8-8-8 */ 599 #define V4L2_PIX_FMT_YUVX32 v4l2_fourcc('Y', 'U', 'V', 'X') /* 32 YUVX-8-8-8-8 */ 600 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 601 #define V4L2_PIX_FMT_YUV48_12 v4l2_fourcc('Y', '3', '1', '2') /* 48 YUV 4:4:4 12-bit per component */ 602 603 /* 604 * YCbCr packed format. For each Y2xx format, xx bits of valid data occupy the MSBs 605 * of the 16 bit components, and 16-xx bits of zero padding occupy the LSBs. 606 */ 607 #define V4L2_PIX_FMT_Y210 v4l2_fourcc('Y', '2', '1', '0') /* 32 YUYV 4:2:2 */ 608 #define V4L2_PIX_FMT_Y212 v4l2_fourcc('Y', '2', '1', '2') /* 32 YUYV 4:2:2 */ 609 #define V4L2_PIX_FMT_Y216 v4l2_fourcc('Y', '2', '1', '6') /* 32 YUYV 4:2:2 */ 610 611 /* two planes -- one Y, one Cr + Cb interleaved */ 612 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 613 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 614 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 615 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 616 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 617 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 618 #define V4L2_PIX_FMT_P010 v4l2_fourcc('P', '0', '1', '0') /* 24 Y/CbCr 4:2:0 10-bit per component */ 619 #define V4L2_PIX_FMT_P012 v4l2_fourcc('P', '0', '1', '2') /* 24 Y/CbCr 4:2:0 12-bit per component */ 620 621 /* two non contiguous planes - one Y, one Cr + Cb interleaved */ 622 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 623 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 624 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ 625 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ 626 #define V4L2_PIX_FMT_P012M v4l2_fourcc('P', 'M', '1', '2') /* 24 Y/CbCr 4:2:0 12-bit per component */ 627 628 /* three planes - Y Cb, Cr */ 629 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 630 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 631 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */ 632 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 633 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 634 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 635 636 /* three non contiguous planes - Y, Cb, Cr */ 637 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 638 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 639 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */ 640 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */ 641 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */ 642 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */ 643 644 /* Tiled YUV formats */ 645 #define V4L2_PIX_FMT_NV12_4L4 v4l2_fourcc('V', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 4x4 tiles */ 646 #define V4L2_PIX_FMT_NV12_16L16 v4l2_fourcc('H', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */ 647 #define V4L2_PIX_FMT_NV12_32L32 v4l2_fourcc('S', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 32x32 tiles */ 648 #define V4L2_PIX_FMT_NV15_4L4 v4l2_fourcc('V', 'T', '1', '5') /* 15 Y/CbCr 4:2:0 10-bit 4x4 tiles */ 649 #define V4L2_PIX_FMT_P010_4L4 v4l2_fourcc('T', '0', '1', '0') /* 12 Y/CbCr 4:2:0 10-bit 4x4 macroblocks */ 650 #define V4L2_PIX_FMT_NV12_8L128 v4l2_fourcc('A', 'T', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */ 651 #define V4L2_PIX_FMT_NV12_10BE_8L128 v4l2_fourcc_be('A', 'X', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */ 652 653 /* Tiled YUV formats, non contiguous planes */ 654 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 tiles */ 655 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */ 656 #define V4L2_PIX_FMT_NV12M_8L128 v4l2_fourcc('N', 'A', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */ 657 #define V4L2_PIX_FMT_NV12M_10BE_8L128 v4l2_fourcc_be('N', 'T', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */ 658 659 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 660 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 661 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 662 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 663 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 664 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 665 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 666 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 667 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 668 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ 669 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') 670 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') 671 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') 672 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') 673 /* 10bit raw bayer a-law compressed to 8 bits */ 674 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 675 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 676 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 677 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 678 /* 10bit raw bayer DPCM compressed to 8 bits */ 679 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 680 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 681 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 682 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 683 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 684 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 685 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 686 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 687 /* 12bit raw bayer packed, 6 bytes for every 4 pixels */ 688 #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C') 689 #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C') 690 #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C') 691 #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C') 692 #define V4L2_PIX_FMT_SBGGR14 v4l2_fourcc('B', 'G', '1', '4') /* 14 BGBG.. GRGR.. */ 693 #define V4L2_PIX_FMT_SGBRG14 v4l2_fourcc('G', 'B', '1', '4') /* 14 GBGB.. RGRG.. */ 694 #define V4L2_PIX_FMT_SGRBG14 v4l2_fourcc('G', 'R', '1', '4') /* 14 GRGR.. BGBG.. */ 695 #define V4L2_PIX_FMT_SRGGB14 v4l2_fourcc('R', 'G', '1', '4') /* 14 RGRG.. GBGB.. */ 696 /* 14bit raw bayer packed, 7 bytes for every 4 pixels */ 697 #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E') 698 #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E') 699 #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E') 700 #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E') 701 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 702 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */ 703 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */ 704 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */ 705 706 /* HSV formats */ 707 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3') 708 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4') 709 710 /* compressed formats */ 711 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 712 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 713 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 714 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 715 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 716 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 717 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 718 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 719 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 720 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 721 #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */ 722 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 723 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 724 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 725 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 726 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 727 #define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') /* VP8 parsed frame */ 728 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */ 729 #define V4L2_PIX_FMT_VP9_FRAME v4l2_fourcc('V', 'P', '9', 'F') /* VP9 parsed frame */ 730 #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */ 731 #define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */ 732 #define V4L2_PIX_FMT_FWHT_STATELESS v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */ 733 #define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */ 734 #define V4L2_PIX_FMT_HEVC_SLICE v4l2_fourcc('S', '2', '6', '5') /* HEVC parsed slices */ 735 #define V4L2_PIX_FMT_AV1_FRAME v4l2_fourcc('A', 'V', '1', 'F') /* AV1 parsed frame */ 736 #define V4L2_PIX_FMT_SPK v4l2_fourcc('S', 'P', 'K', '0') /* Sorenson Spark */ 737 #define V4L2_PIX_FMT_RV30 v4l2_fourcc('R', 'V', '3', '0') /* RealVideo 8 */ 738 #define V4L2_PIX_FMT_RV40 v4l2_fourcc('R', 'V', '4', '0') /* RealVideo 9 & 10 */ 739 740 /* Vendor-specific formats */ 741 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 742 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 743 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 744 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 745 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 746 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 747 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 748 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 749 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 750 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 751 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 752 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 753 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 754 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 755 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 756 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 757 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 758 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 759 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 760 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 761 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 762 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 763 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 764 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 765 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 766 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 767 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */ 768 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */ 769 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */ 770 #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */ 771 #define V4L2_PIX_FMT_MM21 v4l2_fourcc('M', 'M', '2', '1') /* Mediatek 8-bit block mode, two non-contiguous planes */ 772 #define V4L2_PIX_FMT_MT2110T v4l2_fourcc('M', 'T', '2', 'T') /* Mediatek 10-bit block tile mode */ 773 #define V4L2_PIX_FMT_MT2110R v4l2_fourcc('M', 'T', '2', 'R') /* Mediatek 10-bit block raster mode */ 774 #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */ 775 #define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */ 776 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* BTTV 8-bit dithered RGB */ 777 #define V4L2_PIX_FMT_QC08C v4l2_fourcc('Q', '0', '8', 'C') /* Qualcomm 8-bit compressed */ 778 #define V4L2_PIX_FMT_QC10C v4l2_fourcc('Q', '1', '0', 'C') /* Qualcomm 10-bit compressed */ 779 #define V4L2_PIX_FMT_AJPG v4l2_fourcc('A', 'J', 'P', 'G') /* Aspeed JPEG */ 780 #define V4L2_PIX_FMT_HEXTILE v4l2_fourcc('H', 'X', 'T', 'L') /* Hextile compressed */ 781 782 /* 10bit raw packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */ 783 #define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */ 784 #define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */ 785 #define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */ 786 #define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */ 787 788 /* SDR formats - used only for Software Defined Radio devices */ 789 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 790 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 791 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 792 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 793 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 794 #define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */ 795 #define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */ 796 #define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */ 797 798 /* Touch formats - used for Touch devices */ 799 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */ 800 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */ 801 #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */ 802 #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */ 803 804 /* Meta-data formats */ 805 #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */ 806 #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */ 807 #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */ 808 #define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */ 809 #define V4L2_META_FMT_VIVID v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */ 810 811 /* Vendor specific - used for RK_ISP1 camera sub-system */ 812 #define V4L2_META_FMT_RK_ISP1_PARAMS v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */ 813 #define V4L2_META_FMT_RK_ISP1_STAT_3A v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */ 814 815 /* priv field value to indicates that subsequent fields are valid. */ 816 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 817 818 /* Flags */ 819 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 820 #define V4L2_PIX_FMT_FLAG_SET_CSC 0x00000002 821 822 /* 823 * F O R M A T E N U M E R A T I O N 824 */ 825 struct v4l2_fmtdesc { 826 __u32 index; /* Format number */ 827 __u32 type; /* enum v4l2_buf_type */ 828 __u32 flags; 829 __u8 description[32]; /* Description string */ 830 __u32 pixelformat; /* Format fourcc */ 831 __u32 mbus_code; /* Media bus code */ 832 __u32 reserved[3]; 833 }; 834 835 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 836 #define V4L2_FMT_FLAG_EMULATED 0x0002 837 #define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM 0x0004 838 #define V4L2_FMT_FLAG_DYN_RESOLUTION 0x0008 839 #define V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL 0x0010 840 #define V4L2_FMT_FLAG_CSC_COLORSPACE 0x0020 841 #define V4L2_FMT_FLAG_CSC_XFER_FUNC 0x0040 842 #define V4L2_FMT_FLAG_CSC_YCBCR_ENC 0x0080 843 #define V4L2_FMT_FLAG_CSC_HSV_ENC V4L2_FMT_FLAG_CSC_YCBCR_ENC 844 #define V4L2_FMT_FLAG_CSC_QUANTIZATION 0x0100 845 846 /* Frame Size and frame rate enumeration */ 847 /* 848 * F R A M E S I Z E E N U M E R A T I O N 849 */ 850 enum v4l2_frmsizetypes { 851 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 852 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 853 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 854 }; 855 856 struct v4l2_frmsize_discrete { 857 __u32 width; /* Frame width [pixel] */ 858 __u32 height; /* Frame height [pixel] */ 859 }; 860 861 struct v4l2_frmsize_stepwise { 862 __u32 min_width; /* Minimum frame width [pixel] */ 863 __u32 max_width; /* Maximum frame width [pixel] */ 864 __u32 step_width; /* Frame width step size [pixel] */ 865 __u32 min_height; /* Minimum frame height [pixel] */ 866 __u32 max_height; /* Maximum frame height [pixel] */ 867 __u32 step_height; /* Frame height step size [pixel] */ 868 }; 869 870 struct v4l2_frmsizeenum { 871 __u32 index; /* Frame size number */ 872 __u32 pixel_format; /* Pixel format */ 873 __u32 type; /* Frame size type the device supports. */ 874 875 union { /* Frame size */ 876 struct v4l2_frmsize_discrete discrete; 877 struct v4l2_frmsize_stepwise stepwise; 878 }; 879 880 __u32 reserved[2]; /* Reserved space for future use */ 881 }; 882 883 /* 884 * F R A M E R A T E E N U M E R A T I O N 885 */ 886 enum v4l2_frmivaltypes { 887 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 888 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 889 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 890 }; 891 892 struct v4l2_frmival_stepwise { 893 struct v4l2_fract min; /* Minimum frame interval [s] */ 894 struct v4l2_fract max; /* Maximum frame interval [s] */ 895 struct v4l2_fract step; /* Frame interval step size [s] */ 896 }; 897 898 struct v4l2_frmivalenum { 899 __u32 index; /* Frame format index */ 900 __u32 pixel_format; /* Pixel format */ 901 __u32 width; /* Frame width */ 902 __u32 height; /* Frame height */ 903 __u32 type; /* Frame interval type the device supports. */ 904 905 union { /* Frame interval */ 906 struct v4l2_fract discrete; 907 struct v4l2_frmival_stepwise stepwise; 908 }; 909 910 __u32 reserved[2]; /* Reserved space for future use */ 911 }; 912 913 /* 914 * T I M E C O D E 915 */ 916 struct v4l2_timecode { 917 __u32 type; 918 __u32 flags; 919 __u8 frames; 920 __u8 seconds; 921 __u8 minutes; 922 __u8 hours; 923 __u8 userbits[4]; 924 }; 925 926 /* Type */ 927 #define V4L2_TC_TYPE_24FPS 1 928 #define V4L2_TC_TYPE_25FPS 2 929 #define V4L2_TC_TYPE_30FPS 3 930 #define V4L2_TC_TYPE_50FPS 4 931 #define V4L2_TC_TYPE_60FPS 5 932 933 /* Flags */ 934 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 935 #define V4L2_TC_FLAG_COLORFRAME 0x0002 936 #define V4L2_TC_USERBITS_field 0x000C 937 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 938 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 939 /* The above is based on SMPTE timecodes */ 940 941 struct v4l2_jpegcompression { 942 int quality; 943 944 int APPn; /* Number of APP segment to be written, 945 * must be 0..15 */ 946 int APP_len; /* Length of data in JPEG APPn segment */ 947 char APP_data[60]; /* Data in the JPEG APPn segment. */ 948 949 int COM_len; /* Length of data in JPEG COM segment */ 950 char COM_data[60]; /* Data in JPEG COM segment */ 951 952 __u32 jpeg_markers; /* Which markers should go into the JPEG 953 * output. Unless you exactly know what 954 * you do, leave them untouched. 955 * Including less markers will make the 956 * resulting code smaller, but there will 957 * be fewer applications which can read it. 958 * The presence of the APP and COM marker 959 * is influenced by APP_len and COM_len 960 * ONLY, not by this property! */ 961 962 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 963 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 964 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 965 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 966 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 967 * always use APP0 */ 968 }; 969 970 /* 971 * M E M O R Y - M A P P I N G B U F F E R S 972 */ 973 974 975 struct v4l2_requestbuffers { 976 __u32 count; 977 __u32 type; /* enum v4l2_buf_type */ 978 __u32 memory; /* enum v4l2_memory */ 979 __u32 capabilities; 980 __u8 flags; 981 __u8 reserved[3]; 982 }; 983 984 #define V4L2_MEMORY_FLAG_NON_COHERENT (1 << 0) 985 986 /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */ 987 #define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0) 988 #define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1) 989 #define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2) 990 #define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3) 991 #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4) 992 #define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5) 993 #define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS (1 << 6) 994 #define V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS (1 << 7) 995 996 /** 997 * struct v4l2_plane - plane info for multi-planar buffers 998 * @bytesused: number of bytes occupied by data in the plane (payload) 999 * @length: size of this plane (NOT the payload) in bytes 1000 * @mem_offset: when memory in the associated struct v4l2_buffer is 1001 * V4L2_MEMORY_MMAP, equals the offset from the start of 1002 * the device memory for this plane (or is a "cookie" that 1003 * should be passed to mmap() called on the video node) 1004 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 1005 * pointing to this plane 1006 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 1007 * descriptor associated with this plane 1008 * @m: union of @mem_offset, @userptr and @fd 1009 * @data_offset: offset in the plane to the start of data; usually 0, 1010 * unless there is a header in front of the data 1011 * @reserved: drivers and applications must zero this array 1012 * 1013 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 1014 * with two planes can have one plane for Y, and another for interleaved CbCr 1015 * components. Each plane can reside in a separate memory buffer, or even in 1016 * a completely separate memory node (e.g. in embedded devices). 1017 */ 1018 struct v4l2_plane { 1019 __u32 bytesused; 1020 __u32 length; 1021 union { 1022 __u32 mem_offset; 1023 unsigned long userptr; 1024 __s32 fd; 1025 } m; 1026 __u32 data_offset; 1027 __u32 reserved[11]; 1028 }; 1029 1030 /** 1031 * struct v4l2_buffer - video buffer info 1032 * @index: id number of the buffer 1033 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 1034 * multiplanar buffers); 1035 * @bytesused: number of bytes occupied by data in the buffer (payload); 1036 * unused (set to 0) for multiplanar buffers 1037 * @flags: buffer informational flags 1038 * @field: enum v4l2_field; field order of the image in the buffer 1039 * @timestamp: frame timestamp 1040 * @timecode: frame timecode 1041 * @sequence: sequence count of this frame 1042 * @memory: enum v4l2_memory; the method, in which the actual video data is 1043 * passed 1044 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 1045 * offset from the start of the device memory for this plane, 1046 * (or a "cookie" that should be passed to mmap() as offset) 1047 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 1048 * a userspace pointer pointing to this buffer 1049 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 1050 * a userspace file descriptor associated with this buffer 1051 * @planes: for multiplanar buffers; userspace pointer to the array of plane 1052 * info structs for this buffer 1053 * @m: union of @offset, @userptr, @planes and @fd 1054 * @length: size in bytes of the buffer (NOT its payload) for single-plane 1055 * buffers (when type != *_MPLANE); number of elements in the 1056 * planes array for multi-plane buffers 1057 * @reserved2: drivers and applications must zero this field 1058 * @request_fd: fd of the request that this buffer should use 1059 * @reserved: for backwards compatibility with applications that do not know 1060 * about @request_fd 1061 * 1062 * Contains data exchanged by application and driver using one of the Streaming 1063 * I/O methods. 1064 */ 1065 struct v4l2_buffer { 1066 __u32 index; 1067 __u32 type; 1068 __u32 bytesused; 1069 __u32 flags; 1070 __u32 field; 1071 struct timeval timestamp; 1072 struct v4l2_timecode timecode; 1073 __u32 sequence; 1074 1075 /* memory location */ 1076 __u32 memory; 1077 union { 1078 __u32 offset; 1079 unsigned long userptr; 1080 struct v4l2_plane *planes; 1081 __s32 fd; 1082 } m; 1083 __u32 length; 1084 __u32 reserved2; 1085 union { 1086 __s32 request_fd; 1087 __u32 reserved; 1088 }; 1089 }; 1090 1091 /** 1092 * v4l2_timeval_to_ns - Convert timeval to nanoseconds 1093 * @tv: pointer to the timeval variable to be converted 1094 * 1095 * Returns the scalar nanosecond representation of the timeval 1096 * parameter. 1097 */ 1098 static __inline__ __u64 v4l2_timeval_to_ns(const struct timeval *tv) 1099 { 1100 return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000; 1101 } 1102 1103 /* Flags for 'flags' field */ 1104 /* Buffer is mapped (flag) */ 1105 #define V4L2_BUF_FLAG_MAPPED 0x00000001 1106 /* Buffer is queued for processing */ 1107 #define V4L2_BUF_FLAG_QUEUED 0x00000002 1108 /* Buffer is ready */ 1109 #define V4L2_BUF_FLAG_DONE 0x00000004 1110 /* Image is a keyframe (I-frame) */ 1111 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008 1112 /* Image is a P-frame */ 1113 #define V4L2_BUF_FLAG_PFRAME 0x00000010 1114 /* Image is a B-frame */ 1115 #define V4L2_BUF_FLAG_BFRAME 0x00000020 1116 /* Buffer is ready, but the data contained within is corrupted. */ 1117 #define V4L2_BUF_FLAG_ERROR 0x00000040 1118 /* Buffer is added to an unqueued request */ 1119 #define V4L2_BUF_FLAG_IN_REQUEST 0x00000080 1120 /* timecode field is valid */ 1121 #define V4L2_BUF_FLAG_TIMECODE 0x00000100 1122 /* Don't return the capture buffer until OUTPUT timestamp changes */ 1123 #define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF 0x00000200 1124 /* Buffer is prepared for queuing */ 1125 #define V4L2_BUF_FLAG_PREPARED 0x00000400 1126 /* Cache handling flags */ 1127 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 1128 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 1129 /* Timestamp type */ 1130 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 1131 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 1132 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 1133 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 1134 /* Timestamp sources. */ 1135 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 1136 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 1137 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 1138 /* mem2mem encoder/decoder */ 1139 #define V4L2_BUF_FLAG_LAST 0x00100000 1140 /* request_fd is valid */ 1141 #define V4L2_BUF_FLAG_REQUEST_FD 0x00800000 1142 1143 /** 1144 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 1145 * 1146 * @index: id number of the buffer 1147 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 1148 * multiplanar buffers); 1149 * @plane: index of the plane to be exported, 0 for single plane queues 1150 * @flags: flags for newly created file, currently only O_CLOEXEC is 1151 * supported, refer to manual of open syscall for more details 1152 * @fd: file descriptor associated with DMABUF (set by driver) 1153 * @reserved: drivers and applications must zero this array 1154 * 1155 * Contains data used for exporting a video buffer as DMABUF file descriptor. 1156 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 1157 * (identical to the cookie used to mmap() the buffer to userspace). All 1158 * reserved fields must be set to zero. The field reserved0 is expected to 1159 * become a structure 'type' allowing an alternative layout of the structure 1160 * content. Therefore this field should not be used for any other extensions. 1161 */ 1162 struct v4l2_exportbuffer { 1163 __u32 type; /* enum v4l2_buf_type */ 1164 __u32 index; 1165 __u32 plane; 1166 __u32 flags; 1167 __s32 fd; 1168 __u32 reserved[11]; 1169 }; 1170 1171 /* 1172 * O V E R L A Y P R E V I E W 1173 */ 1174 struct v4l2_framebuffer { 1175 __u32 capability; 1176 __u32 flags; 1177 /* FIXME: in theory we should pass something like PCI device + memory 1178 * region + offset instead of some physical address */ 1179 void *base; 1180 struct { 1181 __u32 width; 1182 __u32 height; 1183 __u32 pixelformat; 1184 __u32 field; /* enum v4l2_field */ 1185 __u32 bytesperline; /* for padding, zero if unused */ 1186 __u32 sizeimage; 1187 __u32 colorspace; /* enum v4l2_colorspace */ 1188 __u32 priv; /* reserved field, set to 0 */ 1189 } fmt; 1190 }; 1191 /* Flags for the 'capability' field. Read only */ 1192 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 1193 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 1194 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 1195 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 1196 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 1197 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 1198 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 1199 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 1200 /* Flags for the 'flags' field. */ 1201 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 1202 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 1203 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 1204 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 1205 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 1206 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 1207 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 1208 1209 struct v4l2_clip { 1210 struct v4l2_rect c; 1211 struct v4l2_clip *next; 1212 }; 1213 1214 struct v4l2_window { 1215 struct v4l2_rect w; 1216 __u32 field; /* enum v4l2_field */ 1217 __u32 chromakey; 1218 struct v4l2_clip *clips; 1219 __u32 clipcount; 1220 void *bitmap; 1221 __u8 global_alpha; 1222 }; 1223 1224 /* 1225 * C A P T U R E P A R A M E T E R S 1226 */ 1227 struct v4l2_captureparm { 1228 __u32 capability; /* Supported modes */ 1229 __u32 capturemode; /* Current mode */ 1230 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1231 __u32 extendedmode; /* Driver-specific extensions */ 1232 __u32 readbuffers; /* # of buffers for read */ 1233 __u32 reserved[4]; 1234 }; 1235 1236 /* Flags for 'capability' and 'capturemode' fields */ 1237 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 1238 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 1239 1240 struct v4l2_outputparm { 1241 __u32 capability; /* Supported modes */ 1242 __u32 outputmode; /* Current mode */ 1243 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1244 __u32 extendedmode; /* Driver-specific extensions */ 1245 __u32 writebuffers; /* # of buffers for write */ 1246 __u32 reserved[4]; 1247 }; 1248 1249 /* 1250 * I N P U T I M A G E C R O P P I N G 1251 */ 1252 struct v4l2_cropcap { 1253 __u32 type; /* enum v4l2_buf_type */ 1254 struct v4l2_rect bounds; 1255 struct v4l2_rect defrect; 1256 struct v4l2_fract pixelaspect; 1257 }; 1258 1259 struct v4l2_crop { 1260 __u32 type; /* enum v4l2_buf_type */ 1261 struct v4l2_rect c; 1262 }; 1263 1264 /** 1265 * struct v4l2_selection - selection info 1266 * @type: buffer type (do not use *_MPLANE types) 1267 * @target: Selection target, used to choose one of possible rectangles; 1268 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 1269 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 1270 * @r: coordinates of selection window 1271 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 1272 * 1273 * Hardware may use multiple helper windows to process a video stream. 1274 * The structure is used to exchange this selection areas between 1275 * an application and a driver. 1276 */ 1277 struct v4l2_selection { 1278 __u32 type; 1279 __u32 target; 1280 __u32 flags; 1281 struct v4l2_rect r; 1282 __u32 reserved[9]; 1283 }; 1284 1285 1286 /* 1287 * A N A L O G V I D E O S T A N D A R D 1288 */ 1289 1290 typedef __u64 v4l2_std_id; 1291 1292 /* 1293 * Attention: Keep the V4L2_STD_* bit definitions in sync with 1294 * include/dt-bindings/display/sdtv-standards.h SDTV_STD_* bit definitions. 1295 */ 1296 /* one bit for each */ 1297 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 1298 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 1299 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 1300 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 1301 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 1302 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 1303 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 1304 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 1305 1306 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 1307 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 1308 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 1309 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 1310 1311 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 1312 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 1313 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 1314 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 1315 1316 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 1317 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 1318 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 1319 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 1320 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 1321 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 1322 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 1323 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 1324 1325 /* ATSC/HDTV */ 1326 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 1327 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 1328 1329 /* FIXME: 1330 Although std_id is 64 bits, there is an issue on PPC32 architecture that 1331 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 1332 this value to 32 bits. 1333 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 1334 it should work fine. However, if needed to add more than two standards, 1335 v4l2-common.c should be fixed. 1336 */ 1337 1338 /* 1339 * Some macros to merge video standards in order to make live easier for the 1340 * drivers and V4L2 applications 1341 */ 1342 1343 /* 1344 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 1345 * Missing here. 1346 */ 1347 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 1348 V4L2_STD_NTSC_M_JP |\ 1349 V4L2_STD_NTSC_M_KR) 1350 /* Secam macros */ 1351 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 1352 V4L2_STD_SECAM_K |\ 1353 V4L2_STD_SECAM_K1) 1354 /* All Secam Standards */ 1355 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 1356 V4L2_STD_SECAM_G |\ 1357 V4L2_STD_SECAM_H |\ 1358 V4L2_STD_SECAM_DK |\ 1359 V4L2_STD_SECAM_L |\ 1360 V4L2_STD_SECAM_LC) 1361 /* PAL macros */ 1362 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 1363 V4L2_STD_PAL_B1 |\ 1364 V4L2_STD_PAL_G) 1365 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1366 V4L2_STD_PAL_D1 |\ 1367 V4L2_STD_PAL_K) 1368 /* 1369 * "Common" PAL - This macro is there to be compatible with the old 1370 * V4L1 concept of "PAL": /BGDKHI. 1371 * Several PAL standards are missing here: /M, /N and /Nc 1372 */ 1373 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1374 V4L2_STD_PAL_DK |\ 1375 V4L2_STD_PAL_H |\ 1376 V4L2_STD_PAL_I) 1377 /* Chroma "agnostic" standards */ 1378 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 1379 V4L2_STD_PAL_B1 |\ 1380 V4L2_STD_SECAM_B) 1381 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 1382 V4L2_STD_SECAM_G) 1383 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 1384 V4L2_STD_SECAM_H) 1385 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1386 V4L2_STD_SECAM_LC) 1387 #define V4L2_STD_GH (V4L2_STD_G |\ 1388 V4L2_STD_H) 1389 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1390 V4L2_STD_SECAM_DK) 1391 #define V4L2_STD_BG (V4L2_STD_B |\ 1392 V4L2_STD_G) 1393 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1394 V4L2_STD_PAL_N |\ 1395 V4L2_STD_PAL_Nc |\ 1396 V4L2_STD_NTSC) 1397 1398 /* Standards where MTS/BTSC stereo could be found */ 1399 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1400 V4L2_STD_PAL_M |\ 1401 V4L2_STD_PAL_N |\ 1402 V4L2_STD_PAL_Nc) 1403 1404 /* Standards for Countries with 60Hz Line frequency */ 1405 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1406 V4L2_STD_PAL_60 |\ 1407 V4L2_STD_NTSC |\ 1408 V4L2_STD_NTSC_443) 1409 /* Standards for Countries with 50Hz Line frequency */ 1410 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1411 V4L2_STD_PAL_N |\ 1412 V4L2_STD_PAL_Nc |\ 1413 V4L2_STD_SECAM) 1414 1415 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1416 V4L2_STD_ATSC_16_VSB) 1417 /* Macros with none and all analog standards */ 1418 #define V4L2_STD_UNKNOWN 0 1419 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1420 V4L2_STD_625_50) 1421 1422 struct v4l2_standard { 1423 __u32 index; 1424 v4l2_std_id id; 1425 __u8 name[24]; 1426 struct v4l2_fract frameperiod; /* Frames, not fields */ 1427 __u32 framelines; 1428 __u32 reserved[4]; 1429 }; 1430 1431 /* 1432 * D V B T T I M I N G S 1433 */ 1434 1435 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1436 * @width: total width of the active video in pixels 1437 * @height: total height of the active video in lines 1438 * @interlaced: Interlaced or progressive 1439 * @polarities: Positive or negative polarities 1440 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1441 * @hfrontporch:Horizontal front porch in pixels 1442 * @hsync: Horizontal Sync length in pixels 1443 * @hbackporch: Horizontal back porch in pixels 1444 * @vfrontporch:Vertical front porch in lines 1445 * @vsync: Vertical Sync length in lines 1446 * @vbackporch: Vertical back porch in lines 1447 * @il_vfrontporch:Vertical front porch for the even field 1448 * (aka field 2) of interlaced field formats 1449 * @il_vsync: Vertical Sync length for the even field 1450 * (aka field 2) of interlaced field formats 1451 * @il_vbackporch:Vertical back porch for the even field 1452 * (aka field 2) of interlaced field formats 1453 * @standards: Standards the timing belongs to 1454 * @flags: Flags 1455 * @picture_aspect: The picture aspect ratio (hor/vert). 1456 * @cea861_vic: VIC code as per the CEA-861 standard. 1457 * @hdmi_vic: VIC code as per the HDMI standard. 1458 * @reserved: Reserved fields, must be zeroed. 1459 * 1460 * A note regarding vertical interlaced timings: height refers to the total 1461 * height of the active video frame (= two fields). The blanking timings refer 1462 * to the blanking of each field. So the height of the total frame is 1463 * calculated as follows: 1464 * 1465 * tot_height = height + vfrontporch + vsync + vbackporch + 1466 * il_vfrontporch + il_vsync + il_vbackporch 1467 * 1468 * The active height of each field is height / 2. 1469 */ 1470 struct v4l2_bt_timings { 1471 __u32 width; 1472 __u32 height; 1473 __u32 interlaced; 1474 __u32 polarities; 1475 __u64 pixelclock; 1476 __u32 hfrontporch; 1477 __u32 hsync; 1478 __u32 hbackporch; 1479 __u32 vfrontporch; 1480 __u32 vsync; 1481 __u32 vbackporch; 1482 __u32 il_vfrontporch; 1483 __u32 il_vsync; 1484 __u32 il_vbackporch; 1485 __u32 standards; 1486 __u32 flags; 1487 struct v4l2_fract picture_aspect; 1488 __u8 cea861_vic; 1489 __u8 hdmi_vic; 1490 __u8 reserved[46]; 1491 } __attribute__ ((packed)); 1492 1493 /* Interlaced or progressive format */ 1494 #define V4L2_DV_PROGRESSIVE 0 1495 #define V4L2_DV_INTERLACED 1 1496 1497 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1498 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1499 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1500 1501 /* Timings standards */ 1502 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1503 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1504 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1505 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1506 #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */ 1507 1508 /* Flags */ 1509 1510 /* 1511 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1512 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1513 * intervals are reduced, allowing a higher resolution over the same 1514 * bandwidth. This is a read-only flag. 1515 */ 1516 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1517 /* 1518 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1519 * of six. These formats can be optionally played at 1 / 1.001 speed. 1520 * This is a read-only flag. 1521 */ 1522 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1523 /* 1524 * CEA-861 specific: only valid for video transmitters, the flag is cleared 1525 * by receivers. 1526 * If the framerate of the format is a multiple of six, then the pixelclock 1527 * used to set up the transmitter is divided by 1.001 to make it compatible 1528 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1529 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1530 * such frequencies, then the flag will also be cleared. 1531 */ 1532 #define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1533 /* 1534 * Specific to interlaced formats: if set, then field 1 is really one half-line 1535 * longer and field 2 is really one half-line shorter, so each field has 1536 * exactly the same number of half-lines. Whether half-lines can be detected 1537 * or used depends on the hardware. 1538 */ 1539 #define V4L2_DV_FL_HALF_LINE (1 << 3) 1540 /* 1541 * If set, then this is a Consumer Electronics (CE) video format. Such formats 1542 * differ from other formats (commonly called IT formats) in that if RGB 1543 * encoding is used then by default the RGB values use limited range (i.e. 1544 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861 1545 * except for the 640x480 format are CE formats. 1546 */ 1547 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4) 1548 /* Some formats like SMPTE-125M have an interlaced signal with a odd 1549 * total height. For these formats, if this flag is set, the first 1550 * field has the extra line. If not, it is the second field. 1551 */ 1552 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5) 1553 /* 1554 * If set, then the picture_aspect field is valid. Otherwise assume that the 1555 * pixels are square, so the picture aspect ratio is the same as the width to 1556 * height ratio. 1557 */ 1558 #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6) 1559 /* 1560 * If set, then the cea861_vic field is valid and contains the Video 1561 * Identification Code as per the CEA-861 standard. 1562 */ 1563 #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7) 1564 /* 1565 * If set, then the hdmi_vic field is valid and contains the Video 1566 * Identification Code as per the HDMI standard (HDMI Vendor Specific 1567 * InfoFrame). 1568 */ 1569 #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8) 1570 /* 1571 * CEA-861 specific: only valid for video receivers. 1572 * If set, then HW can detect the difference between regular FPS and 1573 * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with 1574 * the V4L2_DV_FL_CAN_REDUCE_FPS flag set. 1575 */ 1576 #define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9) 1577 1578 /* A few useful defines to calculate the total blanking and frame sizes */ 1579 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1580 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1581 #define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1582 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1583 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1584 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1585 ((bt)->interlaced ? \ 1586 ((bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) : 0)) 1587 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1588 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1589 1590 /** struct v4l2_dv_timings - DV timings 1591 * @type: the type of the timings 1592 * @bt: BT656/1120 timings 1593 */ 1594 struct v4l2_dv_timings { 1595 __u32 type; 1596 union { 1597 struct v4l2_bt_timings bt; 1598 __u32 reserved[32]; 1599 }; 1600 } __attribute__ ((packed)); 1601 1602 /* Values for the type field */ 1603 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1604 1605 1606 /** struct v4l2_enum_dv_timings - DV timings enumeration 1607 * @index: enumeration index 1608 * @pad: the pad number for which to enumerate timings (used with 1609 * v4l-subdev nodes only) 1610 * @reserved: must be zeroed 1611 * @timings: the timings for the given index 1612 */ 1613 struct v4l2_enum_dv_timings { 1614 __u32 index; 1615 __u32 pad; 1616 __u32 reserved[2]; 1617 struct v4l2_dv_timings timings; 1618 }; 1619 1620 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1621 * @min_width: width in pixels 1622 * @max_width: width in pixels 1623 * @min_height: height in lines 1624 * @max_height: height in lines 1625 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1626 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1627 * @standards: Supported standards 1628 * @capabilities: Supported capabilities 1629 * @reserved: Must be zeroed 1630 */ 1631 struct v4l2_bt_timings_cap { 1632 __u32 min_width; 1633 __u32 max_width; 1634 __u32 min_height; 1635 __u32 max_height; 1636 __u64 min_pixelclock; 1637 __u64 max_pixelclock; 1638 __u32 standards; 1639 __u32 capabilities; 1640 __u32 reserved[16]; 1641 } __attribute__ ((packed)); 1642 1643 /* Supports interlaced formats */ 1644 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1645 /* Supports progressive formats */ 1646 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1647 /* Supports CVT/GTF reduced blanking */ 1648 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1649 /* Supports custom formats */ 1650 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1651 1652 /** struct v4l2_dv_timings_cap - DV timings capabilities 1653 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1654 * @pad: the pad number for which to query capabilities (used with 1655 * v4l-subdev nodes only) 1656 * @bt: the BT656/1120 timings capabilities 1657 */ 1658 struct v4l2_dv_timings_cap { 1659 __u32 type; 1660 __u32 pad; 1661 __u32 reserved[2]; 1662 union { 1663 struct v4l2_bt_timings_cap bt; 1664 __u32 raw_data[32]; 1665 }; 1666 }; 1667 1668 1669 /* 1670 * V I D E O I N P U T S 1671 */ 1672 struct v4l2_input { 1673 __u32 index; /* Which input */ 1674 __u8 name[32]; /* Label */ 1675 __u32 type; /* Type of input */ 1676 __u32 audioset; /* Associated audios (bitfield) */ 1677 __u32 tuner; /* Tuner index */ 1678 v4l2_std_id std; 1679 __u32 status; 1680 __u32 capabilities; 1681 __u32 reserved[3]; 1682 }; 1683 1684 /* Values for the 'type' field */ 1685 #define V4L2_INPUT_TYPE_TUNER 1 1686 #define V4L2_INPUT_TYPE_CAMERA 2 1687 #define V4L2_INPUT_TYPE_TOUCH 3 1688 1689 /* field 'status' - general */ 1690 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1691 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1692 #define V4L2_IN_ST_NO_COLOR 0x00000004 1693 1694 /* field 'status' - sensor orientation */ 1695 /* If sensor is mounted upside down set both bits */ 1696 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1697 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1698 1699 /* field 'status' - analog */ 1700 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1701 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1702 #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */ 1703 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */ 1704 1705 /* field 'status' - digital */ 1706 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1707 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1708 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1709 1710 /* field 'status' - VCR and set-top box */ 1711 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1712 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1713 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1714 1715 /* capabilities flags */ 1716 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1717 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1718 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1719 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1720 1721 /* 1722 * V I D E O O U T P U T S 1723 */ 1724 struct v4l2_output { 1725 __u32 index; /* Which output */ 1726 __u8 name[32]; /* Label */ 1727 __u32 type; /* Type of output */ 1728 __u32 audioset; /* Associated audios (bitfield) */ 1729 __u32 modulator; /* Associated modulator */ 1730 v4l2_std_id std; 1731 __u32 capabilities; 1732 __u32 reserved[3]; 1733 }; 1734 /* Values for the 'type' field */ 1735 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1736 #define V4L2_OUTPUT_TYPE_ANALOG 2 1737 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1738 1739 /* capabilities flags */ 1740 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1741 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1742 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1743 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1744 1745 /* 1746 * C O N T R O L S 1747 */ 1748 struct v4l2_control { 1749 __u32 id; 1750 __s32 value; 1751 }; 1752 1753 struct v4l2_ext_control { 1754 __u32 id; 1755 __u32 size; 1756 __u32 reserved2[1]; 1757 union { 1758 __s32 value; 1759 __s64 value64; 1760 char *string; 1761 __u8 *p_u8; 1762 __u16 *p_u16; 1763 __u32 *p_u32; 1764 __s32 *p_s32; 1765 __s64 *p_s64; 1766 struct v4l2_area *p_area; 1767 struct v4l2_ctrl_h264_sps *p_h264_sps; 1768 struct v4l2_ctrl_h264_pps *p_h264_pps; 1769 struct v4l2_ctrl_h264_scaling_matrix *p_h264_scaling_matrix; 1770 struct v4l2_ctrl_h264_pred_weights *p_h264_pred_weights; 1771 struct v4l2_ctrl_h264_slice_params *p_h264_slice_params; 1772 struct v4l2_ctrl_h264_decode_params *p_h264_decode_params; 1773 struct v4l2_ctrl_fwht_params *p_fwht_params; 1774 struct v4l2_ctrl_vp8_frame *p_vp8_frame; 1775 struct v4l2_ctrl_mpeg2_sequence *p_mpeg2_sequence; 1776 struct v4l2_ctrl_mpeg2_picture *p_mpeg2_picture; 1777 struct v4l2_ctrl_mpeg2_quantisation *p_mpeg2_quantisation; 1778 struct v4l2_ctrl_vp9_compressed_hdr *p_vp9_compressed_hdr_probs; 1779 struct v4l2_ctrl_vp9_frame *p_vp9_frame; 1780 struct v4l2_ctrl_hevc_sps *p_hevc_sps; 1781 struct v4l2_ctrl_hevc_pps *p_hevc_pps; 1782 struct v4l2_ctrl_hevc_slice_params *p_hevc_slice_params; 1783 struct v4l2_ctrl_hevc_scaling_matrix *p_hevc_scaling_matrix; 1784 struct v4l2_ctrl_hevc_decode_params *p_hevc_decode_params; 1785 struct v4l2_ctrl_av1_sequence *p_av1_sequence; 1786 struct v4l2_ctrl_av1_tile_group_entry *p_av1_tile_group_entry; 1787 struct v4l2_ctrl_av1_frame *p_av1_frame; 1788 struct v4l2_ctrl_av1_film_grain *p_av1_film_grain; 1789 struct v4l2_ctrl_hdr10_cll_info *p_hdr10_cll_info; 1790 struct v4l2_ctrl_hdr10_mastering_display *p_hdr10_mastering_display; 1791 void *ptr; 1792 }; 1793 } __attribute__ ((packed)); 1794 1795 struct v4l2_ext_controls { 1796 union { 1797 __u32 ctrl_class; 1798 __u32 which; 1799 }; 1800 __u32 count; 1801 __u32 error_idx; 1802 __s32 request_fd; 1803 __u32 reserved[1]; 1804 struct v4l2_ext_control *controls; 1805 }; 1806 1807 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1808 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1809 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL) 1810 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1811 #define V4L2_CTRL_MAX_DIMS (4) 1812 #define V4L2_CTRL_WHICH_CUR_VAL 0 1813 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000 1814 #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000 1815 1816 enum v4l2_ctrl_type { 1817 V4L2_CTRL_TYPE_INTEGER = 1, 1818 V4L2_CTRL_TYPE_BOOLEAN = 2, 1819 V4L2_CTRL_TYPE_MENU = 3, 1820 V4L2_CTRL_TYPE_BUTTON = 4, 1821 V4L2_CTRL_TYPE_INTEGER64 = 5, 1822 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1823 V4L2_CTRL_TYPE_STRING = 7, 1824 V4L2_CTRL_TYPE_BITMASK = 8, 1825 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1826 1827 /* Compound types are >= 0x0100 */ 1828 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1829 V4L2_CTRL_TYPE_U8 = 0x0100, 1830 V4L2_CTRL_TYPE_U16 = 0x0101, 1831 V4L2_CTRL_TYPE_U32 = 0x0102, 1832 V4L2_CTRL_TYPE_AREA = 0x0106, 1833 1834 V4L2_CTRL_TYPE_HDR10_CLL_INFO = 0x0110, 1835 V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY = 0x0111, 1836 1837 V4L2_CTRL_TYPE_H264_SPS = 0x0200, 1838 V4L2_CTRL_TYPE_H264_PPS = 0x0201, 1839 V4L2_CTRL_TYPE_H264_SCALING_MATRIX = 0x0202, 1840 V4L2_CTRL_TYPE_H264_SLICE_PARAMS = 0x0203, 1841 V4L2_CTRL_TYPE_H264_DECODE_PARAMS = 0x0204, 1842 V4L2_CTRL_TYPE_H264_PRED_WEIGHTS = 0x0205, 1843 1844 V4L2_CTRL_TYPE_FWHT_PARAMS = 0x0220, 1845 1846 V4L2_CTRL_TYPE_VP8_FRAME = 0x0240, 1847 1848 V4L2_CTRL_TYPE_MPEG2_QUANTISATION = 0x0250, 1849 V4L2_CTRL_TYPE_MPEG2_SEQUENCE = 0x0251, 1850 V4L2_CTRL_TYPE_MPEG2_PICTURE = 0x0252, 1851 1852 V4L2_CTRL_TYPE_VP9_COMPRESSED_HDR = 0x0260, 1853 V4L2_CTRL_TYPE_VP9_FRAME = 0x0261, 1854 1855 V4L2_CTRL_TYPE_HEVC_SPS = 0x0270, 1856 V4L2_CTRL_TYPE_HEVC_PPS = 0x0271, 1857 V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS = 0x0272, 1858 V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX = 0x0273, 1859 V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS = 0x0274, 1860 1861 V4L2_CTRL_TYPE_AV1_SEQUENCE = 0x280, 1862 V4L2_CTRL_TYPE_AV1_TILE_GROUP_ENTRY = 0x281, 1863 V4L2_CTRL_TYPE_AV1_FRAME = 0x282, 1864 V4L2_CTRL_TYPE_AV1_FILM_GRAIN = 0x283, 1865 }; 1866 1867 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1868 struct v4l2_queryctrl { 1869 __u32 id; 1870 __u32 type; /* enum v4l2_ctrl_type */ 1871 __u8 name[32]; /* Whatever */ 1872 __s32 minimum; /* Note signedness */ 1873 __s32 maximum; 1874 __s32 step; 1875 __s32 default_value; 1876 __u32 flags; 1877 __u32 reserved[2]; 1878 }; 1879 1880 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1881 struct v4l2_query_ext_ctrl { 1882 __u32 id; 1883 __u32 type; 1884 char name[32]; 1885 __s64 minimum; 1886 __s64 maximum; 1887 __u64 step; 1888 __s64 default_value; 1889 __u32 flags; 1890 __u32 elem_size; 1891 __u32 elems; 1892 __u32 nr_of_dims; 1893 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1894 __u32 reserved[32]; 1895 }; 1896 1897 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1898 struct v4l2_querymenu { 1899 __u32 id; 1900 __u32 index; 1901 union { 1902 __u8 name[32]; /* Whatever */ 1903 __s64 value; 1904 }; 1905 __u32 reserved; 1906 } __attribute__ ((packed)); 1907 1908 /* Control flags */ 1909 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1910 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1911 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1912 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1913 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1914 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1915 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1916 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1917 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1918 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 1919 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400 1920 #define V4L2_CTRL_FLAG_DYNAMIC_ARRAY 0x0800 1921 1922 /* Query flags, to be ORed with the control ID */ 1923 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1924 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1925 1926 /* User-class control IDs defined by V4L2 */ 1927 #define V4L2_CID_MAX_CTRLS 1024 1928 /* IDs reserved for driver specific controls */ 1929 #define V4L2_CID_PRIVATE_BASE 0x08000000 1930 1931 1932 /* 1933 * T U N I N G 1934 */ 1935 struct v4l2_tuner { 1936 __u32 index; 1937 __u8 name[32]; 1938 __u32 type; /* enum v4l2_tuner_type */ 1939 __u32 capability; 1940 __u32 rangelow; 1941 __u32 rangehigh; 1942 __u32 rxsubchans; 1943 __u32 audmode; 1944 __s32 signal; 1945 __s32 afc; 1946 __u32 reserved[4]; 1947 }; 1948 1949 struct v4l2_modulator { 1950 __u32 index; 1951 __u8 name[32]; 1952 __u32 capability; 1953 __u32 rangelow; 1954 __u32 rangehigh; 1955 __u32 txsubchans; 1956 __u32 type; /* enum v4l2_tuner_type */ 1957 __u32 reserved[3]; 1958 }; 1959 1960 /* Flags for the 'capability' field */ 1961 #define V4L2_TUNER_CAP_LOW 0x0001 1962 #define V4L2_TUNER_CAP_NORM 0x0002 1963 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1964 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1965 #define V4L2_TUNER_CAP_STEREO 0x0010 1966 #define V4L2_TUNER_CAP_LANG2 0x0020 1967 #define V4L2_TUNER_CAP_SAP 0x0020 1968 #define V4L2_TUNER_CAP_LANG1 0x0040 1969 #define V4L2_TUNER_CAP_RDS 0x0080 1970 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1971 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1972 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1973 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1974 #define V4L2_TUNER_CAP_1HZ 0x1000 1975 1976 /* Flags for the 'rxsubchans' field */ 1977 #define V4L2_TUNER_SUB_MONO 0x0001 1978 #define V4L2_TUNER_SUB_STEREO 0x0002 1979 #define V4L2_TUNER_SUB_LANG2 0x0004 1980 #define V4L2_TUNER_SUB_SAP 0x0004 1981 #define V4L2_TUNER_SUB_LANG1 0x0008 1982 #define V4L2_TUNER_SUB_RDS 0x0010 1983 1984 /* Values for the 'audmode' field */ 1985 #define V4L2_TUNER_MODE_MONO 0x0000 1986 #define V4L2_TUNER_MODE_STEREO 0x0001 1987 #define V4L2_TUNER_MODE_LANG2 0x0002 1988 #define V4L2_TUNER_MODE_SAP 0x0002 1989 #define V4L2_TUNER_MODE_LANG1 0x0003 1990 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1991 1992 struct v4l2_frequency { 1993 __u32 tuner; 1994 __u32 type; /* enum v4l2_tuner_type */ 1995 __u32 frequency; 1996 __u32 reserved[8]; 1997 }; 1998 1999 #define V4L2_BAND_MODULATION_VSB (1 << 1) 2000 #define V4L2_BAND_MODULATION_FM (1 << 2) 2001 #define V4L2_BAND_MODULATION_AM (1 << 3) 2002 2003 struct v4l2_frequency_band { 2004 __u32 tuner; 2005 __u32 type; /* enum v4l2_tuner_type */ 2006 __u32 index; 2007 __u32 capability; 2008 __u32 rangelow; 2009 __u32 rangehigh; 2010 __u32 modulation; 2011 __u32 reserved[9]; 2012 }; 2013 2014 struct v4l2_hw_freq_seek { 2015 __u32 tuner; 2016 __u32 type; /* enum v4l2_tuner_type */ 2017 __u32 seek_upward; 2018 __u32 wrap_around; 2019 __u32 spacing; 2020 __u32 rangelow; 2021 __u32 rangehigh; 2022 __u32 reserved[5]; 2023 }; 2024 2025 /* 2026 * R D S 2027 */ 2028 2029 struct v4l2_rds_data { 2030 __u8 lsb; 2031 __u8 msb; 2032 __u8 block; 2033 } __attribute__ ((packed)); 2034 2035 #define V4L2_RDS_BLOCK_MSK 0x7 2036 #define V4L2_RDS_BLOCK_A 0 2037 #define V4L2_RDS_BLOCK_B 1 2038 #define V4L2_RDS_BLOCK_C 2 2039 #define V4L2_RDS_BLOCK_D 3 2040 #define V4L2_RDS_BLOCK_C_ALT 4 2041 #define V4L2_RDS_BLOCK_INVALID 7 2042 2043 #define V4L2_RDS_BLOCK_CORRECTED 0x40 2044 #define V4L2_RDS_BLOCK_ERROR 0x80 2045 2046 /* 2047 * A U D I O 2048 */ 2049 struct v4l2_audio { 2050 __u32 index; 2051 __u8 name[32]; 2052 __u32 capability; 2053 __u32 mode; 2054 __u32 reserved[2]; 2055 }; 2056 2057 /* Flags for the 'capability' field */ 2058 #define V4L2_AUDCAP_STEREO 0x00001 2059 #define V4L2_AUDCAP_AVL 0x00002 2060 2061 /* Flags for the 'mode' field */ 2062 #define V4L2_AUDMODE_AVL 0x00001 2063 2064 struct v4l2_audioout { 2065 __u32 index; 2066 __u8 name[32]; 2067 __u32 capability; 2068 __u32 mode; 2069 __u32 reserved[2]; 2070 }; 2071 2072 /* 2073 * M P E G S E R V I C E S 2074 */ 2075 #if 1 2076 #define V4L2_ENC_IDX_FRAME_I (0) 2077 #define V4L2_ENC_IDX_FRAME_P (1) 2078 #define V4L2_ENC_IDX_FRAME_B (2) 2079 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 2080 2081 struct v4l2_enc_idx_entry { 2082 __u64 offset; 2083 __u64 pts; 2084 __u32 length; 2085 __u32 flags; 2086 __u32 reserved[2]; 2087 }; 2088 2089 #define V4L2_ENC_IDX_ENTRIES (64) 2090 struct v4l2_enc_idx { 2091 __u32 entries; 2092 __u32 entries_cap; 2093 __u32 reserved[4]; 2094 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 2095 }; 2096 2097 2098 #define V4L2_ENC_CMD_START (0) 2099 #define V4L2_ENC_CMD_STOP (1) 2100 #define V4L2_ENC_CMD_PAUSE (2) 2101 #define V4L2_ENC_CMD_RESUME (3) 2102 2103 /* Flags for V4L2_ENC_CMD_STOP */ 2104 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 2105 2106 struct v4l2_encoder_cmd { 2107 __u32 cmd; 2108 __u32 flags; 2109 union { 2110 struct { 2111 __u32 data[8]; 2112 } raw; 2113 }; 2114 }; 2115 2116 /* Decoder commands */ 2117 #define V4L2_DEC_CMD_START (0) 2118 #define V4L2_DEC_CMD_STOP (1) 2119 #define V4L2_DEC_CMD_PAUSE (2) 2120 #define V4L2_DEC_CMD_RESUME (3) 2121 #define V4L2_DEC_CMD_FLUSH (4) 2122 2123 /* Flags for V4L2_DEC_CMD_START */ 2124 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 2125 2126 /* Flags for V4L2_DEC_CMD_PAUSE */ 2127 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 2128 2129 /* Flags for V4L2_DEC_CMD_STOP */ 2130 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 2131 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 2132 2133 /* Play format requirements (returned by the driver): */ 2134 2135 /* The decoder has no special format requirements */ 2136 #define V4L2_DEC_START_FMT_NONE (0) 2137 /* The decoder requires full GOPs */ 2138 #define V4L2_DEC_START_FMT_GOP (1) 2139 2140 /* The structure must be zeroed before use by the application 2141 This ensures it can be extended safely in the future. */ 2142 struct v4l2_decoder_cmd { 2143 __u32 cmd; 2144 __u32 flags; 2145 union { 2146 struct { 2147 __u64 pts; 2148 } stop; 2149 2150 struct { 2151 /* 0 or 1000 specifies normal speed, 2152 1 specifies forward single stepping, 2153 -1 specifies backward single stepping, 2154 >1: playback at speed/1000 of the normal speed, 2155 <-1: reverse playback at (-speed/1000) of the normal speed. */ 2156 __s32 speed; 2157 __u32 format; 2158 } start; 2159 2160 struct { 2161 __u32 data[16]; 2162 } raw; 2163 }; 2164 }; 2165 #endif 2166 2167 2168 /* 2169 * D A T A S E R V I C E S ( V B I ) 2170 * 2171 * Data services API by Michael Schimek 2172 */ 2173 2174 /* Raw VBI */ 2175 struct v4l2_vbi_format { 2176 __u32 sampling_rate; /* in 1 Hz */ 2177 __u32 offset; 2178 __u32 samples_per_line; 2179 __u32 sample_format; /* V4L2_PIX_FMT_* */ 2180 __s32 start[2]; 2181 __u32 count[2]; 2182 __u32 flags; /* V4L2_VBI_* */ 2183 __u32 reserved[2]; /* must be zero */ 2184 }; 2185 2186 /* VBI flags */ 2187 #define V4L2_VBI_UNSYNC (1 << 0) 2188 #define V4L2_VBI_INTERLACED (1 << 1) 2189 2190 /* ITU-R start lines for each field */ 2191 #define V4L2_VBI_ITU_525_F1_START (1) 2192 #define V4L2_VBI_ITU_525_F2_START (264) 2193 #define V4L2_VBI_ITU_625_F1_START (1) 2194 #define V4L2_VBI_ITU_625_F2_START (314) 2195 2196 /* Sliced VBI 2197 * 2198 * This implements is a proposal V4L2 API to allow SLICED VBI 2199 * required for some hardware encoders. It should change without 2200 * notice in the definitive implementation. 2201 */ 2202 2203 struct v4l2_sliced_vbi_format { 2204 __u16 service_set; 2205 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2206 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2207 (equals frame lines 313-336 for 625 line video 2208 standards, 263-286 for 525 line standards) */ 2209 __u16 service_lines[2][24]; 2210 __u32 io_size; 2211 __u32 reserved[2]; /* must be zero */ 2212 }; 2213 2214 /* Teletext World System Teletext 2215 (WST), defined on ITU-R BT.653-2 */ 2216 #define V4L2_SLICED_TELETEXT_B (0x0001) 2217 /* Video Program System, defined on ETS 300 231*/ 2218 #define V4L2_SLICED_VPS (0x0400) 2219 /* Closed Caption, defined on EIA-608 */ 2220 #define V4L2_SLICED_CAPTION_525 (0x1000) 2221 /* Wide Screen System, defined on ITU-R BT1119.1 */ 2222 #define V4L2_SLICED_WSS_625 (0x4000) 2223 2224 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 2225 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 2226 2227 struct v4l2_sliced_vbi_cap { 2228 __u16 service_set; 2229 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2230 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2231 (equals frame lines 313-336 for 625 line video 2232 standards, 263-286 for 525 line standards) */ 2233 __u16 service_lines[2][24]; 2234 __u32 type; /* enum v4l2_buf_type */ 2235 __u32 reserved[3]; /* must be 0 */ 2236 }; 2237 2238 struct v4l2_sliced_vbi_data { 2239 __u32 id; 2240 __u32 field; /* 0: first field, 1: second field */ 2241 __u32 line; /* 1-23 */ 2242 __u32 reserved; /* must be 0 */ 2243 __u8 data[48]; 2244 }; 2245 2246 /* 2247 * Sliced VBI data inserted into MPEG Streams 2248 */ 2249 2250 /* 2251 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 2252 * 2253 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 2254 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 2255 * data 2256 * 2257 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 2258 * definitions are not included here. See the MPEG-2 specifications for details 2259 * on these headers. 2260 */ 2261 2262 /* Line type IDs */ 2263 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 2264 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 2265 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 2266 #define V4L2_MPEG_VBI_IVTV_VPS (7) 2267 2268 struct v4l2_mpeg_vbi_itv0_line { 2269 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 2270 __u8 data[42]; /* Sliced VBI data for the line */ 2271 } __attribute__ ((packed)); 2272 2273 struct v4l2_mpeg_vbi_itv0 { 2274 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 2275 struct v4l2_mpeg_vbi_itv0_line line[35]; 2276 } __attribute__ ((packed)); 2277 2278 struct v4l2_mpeg_vbi_ITV0 { 2279 struct v4l2_mpeg_vbi_itv0_line line[36]; 2280 } __attribute__ ((packed)); 2281 2282 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 2283 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 2284 2285 struct v4l2_mpeg_vbi_fmt_ivtv { 2286 __u8 magic[4]; 2287 union { 2288 struct v4l2_mpeg_vbi_itv0 itv0; 2289 struct v4l2_mpeg_vbi_ITV0 ITV0; 2290 }; 2291 } __attribute__ ((packed)); 2292 2293 /* 2294 * A G G R E G A T E S T R U C T U R E S 2295 */ 2296 2297 /** 2298 * struct v4l2_plane_pix_format - additional, per-plane format definition 2299 * @sizeimage: maximum size in bytes required for data, for which 2300 * this plane will be used 2301 * @bytesperline: distance in bytes between the leftmost pixels in two 2302 * adjacent lines 2303 * @reserved: drivers and applications must zero this array 2304 */ 2305 struct v4l2_plane_pix_format { 2306 __u32 sizeimage; 2307 __u32 bytesperline; 2308 __u16 reserved[6]; 2309 } __attribute__ ((packed)); 2310 2311 /** 2312 * struct v4l2_pix_format_mplane - multiplanar format definition 2313 * @width: image width in pixels 2314 * @height: image height in pixels 2315 * @pixelformat: little endian four character code (fourcc) 2316 * @field: enum v4l2_field; field order (for interlaced video) 2317 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 2318 * @plane_fmt: per-plane information 2319 * @num_planes: number of planes for this format 2320 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 2321 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding 2322 * @hsv_enc: enum v4l2_hsv_encoding, HSV encoding 2323 * @quantization: enum v4l2_quantization, colorspace quantization 2324 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function 2325 * @reserved: drivers and applications must zero this array 2326 */ 2327 struct v4l2_pix_format_mplane { 2328 __u32 width; 2329 __u32 height; 2330 __u32 pixelformat; 2331 __u32 field; 2332 __u32 colorspace; 2333 2334 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 2335 __u8 num_planes; 2336 __u8 flags; 2337 union { 2338 __u8 ycbcr_enc; 2339 __u8 hsv_enc; 2340 }; 2341 __u8 quantization; 2342 __u8 xfer_func; 2343 __u8 reserved[7]; 2344 } __attribute__ ((packed)); 2345 2346 /** 2347 * struct v4l2_sdr_format - SDR format definition 2348 * @pixelformat: little endian four character code (fourcc) 2349 * @buffersize: maximum size in bytes required for data 2350 * @reserved: drivers and applications must zero this array 2351 */ 2352 struct v4l2_sdr_format { 2353 __u32 pixelformat; 2354 __u32 buffersize; 2355 __u8 reserved[24]; 2356 } __attribute__ ((packed)); 2357 2358 /** 2359 * struct v4l2_meta_format - metadata format definition 2360 * @dataformat: little endian four character code (fourcc) 2361 * @buffersize: maximum size in bytes required for data 2362 */ 2363 struct v4l2_meta_format { 2364 __u32 dataformat; 2365 __u32 buffersize; 2366 } __attribute__ ((packed)); 2367 2368 /** 2369 * struct v4l2_format - stream data format 2370 * @type: enum v4l2_buf_type; type of the data stream 2371 * @pix: definition of an image format 2372 * @pix_mp: definition of a multiplanar image format 2373 * @win: definition of an overlaid image 2374 * @vbi: raw VBI capture or output parameters 2375 * @sliced: sliced VBI capture or output parameters 2376 * @raw_data: placeholder for future extensions and custom formats 2377 * @fmt: union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr, @meta 2378 * and @raw_data 2379 */ 2380 struct v4l2_format { 2381 __u32 type; 2382 union { 2383 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 2384 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 2385 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 2386 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 2387 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 2388 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 2389 struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */ 2390 __u8 raw_data[200]; /* user-defined */ 2391 } fmt; 2392 }; 2393 2394 /* Stream type-dependent parameters 2395 */ 2396 struct v4l2_streamparm { 2397 __u32 type; /* enum v4l2_buf_type */ 2398 union { 2399 struct v4l2_captureparm capture; 2400 struct v4l2_outputparm output; 2401 __u8 raw_data[200]; /* user-defined */ 2402 } parm; 2403 }; 2404 2405 /* 2406 * E V E N T S 2407 */ 2408 2409 #define V4L2_EVENT_ALL 0 2410 #define V4L2_EVENT_VSYNC 1 2411 #define V4L2_EVENT_EOS 2 2412 #define V4L2_EVENT_CTRL 3 2413 #define V4L2_EVENT_FRAME_SYNC 4 2414 #define V4L2_EVENT_SOURCE_CHANGE 5 2415 #define V4L2_EVENT_MOTION_DET 6 2416 #define V4L2_EVENT_PRIVATE_START 0x08000000 2417 2418 /* Payload for V4L2_EVENT_VSYNC */ 2419 struct v4l2_event_vsync { 2420 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 2421 __u8 field; 2422 } __attribute__ ((packed)); 2423 2424 /* Payload for V4L2_EVENT_CTRL */ 2425 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 2426 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 2427 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 2428 #define V4L2_EVENT_CTRL_CH_DIMENSIONS (1 << 3) 2429 2430 struct v4l2_event_ctrl { 2431 __u32 changes; 2432 __u32 type; 2433 union { 2434 __s32 value; 2435 __s64 value64; 2436 }; 2437 __u32 flags; 2438 __s32 minimum; 2439 __s32 maximum; 2440 __s32 step; 2441 __s32 default_value; 2442 }; 2443 2444 struct v4l2_event_frame_sync { 2445 __u32 frame_sequence; 2446 }; 2447 2448 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 2449 2450 struct v4l2_event_src_change { 2451 __u32 changes; 2452 }; 2453 2454 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 2455 2456 /** 2457 * struct v4l2_event_motion_det - motion detection event 2458 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 2459 * frame_sequence field is valid. 2460 * @frame_sequence: the frame sequence number associated with this event. 2461 * @region_mask: which regions detected motion. 2462 */ 2463 struct v4l2_event_motion_det { 2464 __u32 flags; 2465 __u32 frame_sequence; 2466 __u32 region_mask; 2467 }; 2468 2469 struct v4l2_event { 2470 __u32 type; 2471 union { 2472 struct v4l2_event_vsync vsync; 2473 struct v4l2_event_ctrl ctrl; 2474 struct v4l2_event_frame_sync frame_sync; 2475 struct v4l2_event_src_change src_change; 2476 struct v4l2_event_motion_det motion_det; 2477 __u8 data[64]; 2478 } u; 2479 __u32 pending; 2480 __u32 sequence; 2481 struct timespec timestamp; 2482 __u32 id; 2483 __u32 reserved[8]; 2484 }; 2485 2486 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2487 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2488 2489 struct v4l2_event_subscription { 2490 __u32 type; 2491 __u32 id; 2492 __u32 flags; 2493 __u32 reserved[5]; 2494 }; 2495 2496 /* 2497 * A D V A N C E D D E B U G G I N G 2498 * 2499 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2500 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2501 */ 2502 2503 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2504 2505 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2506 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2507 2508 /* The following four defines are no longer in use */ 2509 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2510 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2511 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2512 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2513 2514 struct v4l2_dbg_match { 2515 __u32 type; /* Match type */ 2516 union { /* Match this chip, meaning determined by type */ 2517 __u32 addr; 2518 char name[32]; 2519 }; 2520 } __attribute__ ((packed)); 2521 2522 struct v4l2_dbg_register { 2523 struct v4l2_dbg_match match; 2524 __u32 size; /* register size in bytes */ 2525 __u64 reg; 2526 __u64 val; 2527 } __attribute__ ((packed)); 2528 2529 #define V4L2_CHIP_FL_READABLE (1 << 0) 2530 #define V4L2_CHIP_FL_WRITABLE (1 << 1) 2531 2532 /* VIDIOC_DBG_G_CHIP_INFO */ 2533 struct v4l2_dbg_chip_info { 2534 struct v4l2_dbg_match match; 2535 char name[32]; 2536 __u32 flags; 2537 __u32 reserved[32]; 2538 } __attribute__ ((packed)); 2539 2540 /** 2541 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2542 * @index: on return, index of the first created buffer 2543 * @count: entry: number of requested buffers, 2544 * return: number of created buffers 2545 * @memory: enum v4l2_memory; buffer memory type 2546 * @format: frame format, for which buffers are requested 2547 * @capabilities: capabilities of this buffer type. 2548 * @flags: additional buffer management attributes (ignored unless the 2549 * queue has V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS capability 2550 * and configured for MMAP streaming I/O). 2551 * @max_num_buffers: if V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS capability flag is set 2552 * this field indicate the maximum possible number of buffers 2553 * for this queue. 2554 * @reserved: future extensions 2555 */ 2556 struct v4l2_create_buffers { 2557 __u32 index; 2558 __u32 count; 2559 __u32 memory; 2560 struct v4l2_format format; 2561 __u32 capabilities; 2562 __u32 flags; 2563 __u32 max_num_buffers; 2564 __u32 reserved[5]; 2565 }; 2566 2567 /* 2568 * 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 2569 * 2570 */ 2571 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2572 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2573 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2574 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2575 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2576 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2577 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2578 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2579 #define VIDIOC_OVERLAY _IOW('V', 14, int) 2580 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2581 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2582 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2583 #define VIDIOC_STREAMON _IOW('V', 18, int) 2584 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 2585 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2586 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2587 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2588 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2589 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2590 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2591 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2592 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2593 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2594 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2595 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2596 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2597 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2598 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2599 #define VIDIOC_G_INPUT _IOR('V', 38, int) 2600 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 2601 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2602 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2603 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2604 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2605 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2606 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2607 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2608 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2609 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2610 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2611 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2612 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2613 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2614 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2615 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2616 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2617 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2618 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2619 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2620 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2621 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2622 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2623 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2624 #define VIDIOC_LOG_STATUS _IO('V', 70) 2625 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2626 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2627 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2628 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2629 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2630 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2631 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2632 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2633 2634 /* 2635 * Experimental, meant for debugging, testing and internal use. 2636 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2637 * You must be root to use these ioctls. Never use these in applications! 2638 */ 2639 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2640 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2641 2642 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2643 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2644 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2645 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2646 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2647 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2648 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2649 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2650 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2651 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2652 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2653 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2654 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2655 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2656 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2657 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2658 2659 /* 2660 * Experimental, meant for debugging, testing and internal use. 2661 * Never use this in applications! 2662 */ 2663 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2664 2665 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2666 2667 /* Reminder: when adding new ioctls please add support for them to 2668 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */ 2669 2670 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2671 2672 /* Deprecated definitions kept for backwards compatibility */ 2673 #define V4L2_PIX_FMT_HM12 V4L2_PIX_FMT_NV12_16L16 2674 #define V4L2_PIX_FMT_SUNXI_TILED_NV12 V4L2_PIX_FMT_NV12_32L32 2675 /* 2676 * This capability was never implemented, anyone using this cap should drop it 2677 * from their code. 2678 */ 2679 #define V4L2_CAP_ASYNCIO 0x02000000 2680 2681 #endif /* __LINUX_VIDEODEV2_H */
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