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 <[email protected]> 53 * Justin Schoeman 54 * Hans Verkuil <[email protected]> 55 * et al. 56 */ 57 #ifndef _UAPI__LINUX_VIDEODEV2_H 58 #define _UAPI__LINUX_VIDEODEV2_H 59 60 #ifndef __KERNEL__ 61 #include <sys/time.h> 62 #endif 63 #include <linux/compiler.h> 64 #include <linux/ioctl.h> 65 #include <linux/types.h> 66 #include <linux/v4l2-common.h> 67 #include <linux/v4l2-controls.h> 68 69 /* 70 * Common stuff for both V4L1 and V4L2 71 * Moved from videodev.h 72 */ 73 #define VIDEO_MAX_FRAME 32 74 #define VIDEO_MAX_PLANES 8 75 76 /* 77 * M I S C E L L A N E O U S 78 */ 79 80 /* Four-character-code (FOURCC) */ 81 #define v4l2_fourcc(a, b, c, d)\ 82 ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24)) 83 #define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1U << 31)) 84 85 /* 86 * E N U M S 87 */ 88 enum v4l2_field { 89 V4L2_FIELD_ANY = 0, /* driver can choose from none, 90 top, bottom, interlaced 91 depending on whatever it thinks 92 is approximate ... */ 93 V4L2_FIELD_NONE = 1, /* this device has no fields ... */ 94 V4L2_FIELD_TOP = 2, /* top field only */ 95 V4L2_FIELD_BOTTOM = 3, /* bottom field only */ 96 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */ 97 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one 98 buffer, top-bottom order */ 99 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */ 100 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into 101 separate buffers */ 102 V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field 103 first and the top field is 104 transmitted first */ 105 V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field 106 first and the bottom field is 107 transmitted first */ 108 }; 109 #define V4L2_FIELD_HAS_TOP(field) \ 110 ((field) == V4L2_FIELD_TOP ||\ 111 (field) == V4L2_FIELD_INTERLACED ||\ 112 (field) == V4L2_FIELD_INTERLACED_TB ||\ 113 (field) == V4L2_FIELD_INTERLACED_BT ||\ 114 (field) == V4L2_FIELD_SEQ_TB ||\ 115 (field) == V4L2_FIELD_SEQ_BT) 116 #define V4L2_FIELD_HAS_BOTTOM(field) \ 117 ((field) == V4L2_FIELD_BOTTOM ||\ 118 (field) == V4L2_FIELD_INTERLACED ||\ 119 (field) == V4L2_FIELD_INTERLACED_TB ||\ 120 (field) == V4L2_FIELD_INTERLACED_BT ||\ 121 (field) == V4L2_FIELD_SEQ_TB ||\ 122 (field) == V4L2_FIELD_SEQ_BT) 123 #define V4L2_FIELD_HAS_BOTH(field) \ 124 ((field) == V4L2_FIELD_INTERLACED ||\ 125 (field) == V4L2_FIELD_INTERLACED_TB ||\ 126 (field) == V4L2_FIELD_INTERLACED_BT ||\ 127 (field) == V4L2_FIELD_SEQ_TB ||\ 128 (field) == V4L2_FIELD_SEQ_BT) 129 #define V4L2_FIELD_HAS_T_OR_B(field) \ 130 ((field) == V4L2_FIELD_BOTTOM ||\ 131 (field) == V4L2_FIELD_TOP ||\ 132 (field) == V4L2_FIELD_ALTERNATE) 133 #define V4L2_FIELD_IS_INTERLACED(field) \ 134 ((field) == V4L2_FIELD_INTERLACED ||\ 135 (field) == V4L2_FIELD_INTERLACED_TB ||\ 136 (field) == V4L2_FIELD_INTERLACED_BT) 137 #define V4L2_FIELD_IS_SEQUENTIAL(field) \ 138 ((field) == V4L2_FIELD_SEQ_TB ||\ 139 (field) == V4L2_FIELD_SEQ_BT) 140 141 enum v4l2_buf_type { 142 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, 143 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, 144 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, 145 V4L2_BUF_TYPE_VBI_CAPTURE = 4, 146 V4L2_BUF_TYPE_VBI_OUTPUT = 5, 147 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6, 148 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7, 149 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8, 150 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9, 151 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10, 152 V4L2_BUF_TYPE_SDR_CAPTURE = 11, 153 V4L2_BUF_TYPE_SDR_OUTPUT = 12, 154 V4L2_BUF_TYPE_META_CAPTURE = 13, 155 V4L2_BUF_TYPE_META_OUTPUT = 14, 156 /* Deprecated, do not use */ 157 V4L2_BUF_TYPE_PRIVATE = 0x80, 158 }; 159 160 #define V4L2_TYPE_IS_MULTIPLANAR(type) \ 161 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \ 162 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 163 164 #define V4L2_TYPE_IS_OUTPUT(type) \ 165 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \ 166 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \ 167 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \ 168 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \ 169 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \ 170 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \ 171 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT \ 172 || (type) == V4L2_BUF_TYPE_META_OUTPUT) 173 174 #define V4L2_TYPE_IS_CAPTURE(type) (!V4L2_TYPE_IS_OUTPUT(type)) 175 176 enum v4l2_tuner_type { 177 V4L2_TUNER_RADIO = 1, 178 V4L2_TUNER_ANALOG_TV = 2, 179 V4L2_TUNER_DIGITAL_TV = 3, 180 V4L2_TUNER_SDR = 4, 181 V4L2_TUNER_RF = 5, 182 }; 183 184 /* Deprecated, do not use */ 185 #define V4L2_TUNER_ADC V4L2_TUNER_SDR 186 187 enum v4l2_memory { 188 V4L2_MEMORY_MMAP = 1, 189 V4L2_MEMORY_USERPTR = 2, 190 V4L2_MEMORY_OVERLAY = 3, 191 V4L2_MEMORY_DMABUF = 4, 192 }; 193 194 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 195 enum v4l2_colorspace { 196 /* 197 * Default colorspace, i.e. let the driver figure it out. 198 * Can only be used with video capture. 199 */ 200 V4L2_COLORSPACE_DEFAULT = 0, 201 202 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */ 203 V4L2_COLORSPACE_SMPTE170M = 1, 204 205 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */ 206 V4L2_COLORSPACE_SMPTE240M = 2, 207 208 /* Rec.709: used for HDTV */ 209 V4L2_COLORSPACE_REC709 = 3, 210 211 /* 212 * Deprecated, do not use. No driver will ever return this. This was 213 * based on a misunderstanding of the bt878 datasheet. 214 */ 215 V4L2_COLORSPACE_BT878 = 4, 216 217 /* 218 * NTSC 1953 colorspace. This only makes sense when dealing with 219 * really, really old NTSC recordings. Superseded by SMPTE 170M. 220 */ 221 V4L2_COLORSPACE_470_SYSTEM_M = 5, 222 223 /* 224 * EBU Tech 3213 PAL/SECAM colorspace. 225 */ 226 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 227 228 /* 229 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601 230 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG. 231 */ 232 V4L2_COLORSPACE_JPEG = 7, 233 234 /* For RGB colorspaces such as produces by most webcams. */ 235 V4L2_COLORSPACE_SRGB = 8, 236 237 /* opRGB colorspace */ 238 V4L2_COLORSPACE_OPRGB = 9, 239 240 /* BT.2020 colorspace, used for UHDTV. */ 241 V4L2_COLORSPACE_BT2020 = 10, 242 243 /* Raw colorspace: for RAW unprocessed images */ 244 V4L2_COLORSPACE_RAW = 11, 245 246 /* DCI-P3 colorspace, used by cinema projectors */ 247 V4L2_COLORSPACE_DCI_P3 = 12, 248 }; 249 250 /* 251 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace. 252 * This depends on whether this is a SDTV image (use SMPTE 170M), an 253 * HDTV image (use Rec. 709), or something else (use sRGB). 254 */ 255 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \ 256 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \ 257 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB)) 258 259 enum v4l2_xfer_func { 260 /* 261 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions 262 * for the various colorspaces: 263 * 264 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 265 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and 266 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709 267 * 268 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB 269 * 270 * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB 271 * 272 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M 273 * 274 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE 275 * 276 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3 277 */ 278 V4L2_XFER_FUNC_DEFAULT = 0, 279 V4L2_XFER_FUNC_709 = 1, 280 V4L2_XFER_FUNC_SRGB = 2, 281 V4L2_XFER_FUNC_OPRGB = 3, 282 V4L2_XFER_FUNC_SMPTE240M = 4, 283 V4L2_XFER_FUNC_NONE = 5, 284 V4L2_XFER_FUNC_DCI_P3 = 6, 285 V4L2_XFER_FUNC_SMPTE2084 = 7, 286 }; 287 288 /* 289 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function. 290 * This depends on the colorspace. 291 */ 292 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \ 293 ((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \ 294 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \ 295 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \ 296 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \ 297 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \ 298 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709))))) 299 300 enum v4l2_ycbcr_encoding { 301 /* 302 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the 303 * various colorspaces: 304 * 305 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 306 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB, 307 * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601 308 * 309 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709 310 * 311 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020 312 * 313 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M 314 */ 315 V4L2_YCBCR_ENC_DEFAULT = 0, 316 317 /* ITU-R 601 -- SDTV */ 318 V4L2_YCBCR_ENC_601 = 1, 319 320 /* Rec. 709 -- HDTV */ 321 V4L2_YCBCR_ENC_709 = 2, 322 323 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */ 324 V4L2_YCBCR_ENC_XV601 = 3, 325 326 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */ 327 V4L2_YCBCR_ENC_XV709 = 4, 328 329 #ifndef __KERNEL__ 330 /* 331 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added 332 * originally due to a misunderstanding of the sYCC standard. It should 333 * not be used, instead use V4L2_YCBCR_ENC_601. 334 */ 335 V4L2_YCBCR_ENC_SYCC = 5, 336 #endif 337 338 /* BT.2020 Non-constant Luminance Y'CbCr */ 339 V4L2_YCBCR_ENC_BT2020 = 6, 340 341 /* BT.2020 Constant Luminance Y'CbcCrc */ 342 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7, 343 344 /* SMPTE 240M -- Obsolete HDTV */ 345 V4L2_YCBCR_ENC_SMPTE240M = 8, 346 }; 347 348 /* 349 * enum v4l2_hsv_encoding values should not collide with the ones from 350 * enum v4l2_ycbcr_encoding. 351 */ 352 enum v4l2_hsv_encoding { 353 354 /* Hue mapped to 0 - 179 */ 355 V4L2_HSV_ENC_180 = 128, 356 357 /* Hue mapped to 0-255 */ 358 V4L2_HSV_ENC_256 = 129, 359 }; 360 361 /* 362 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding. 363 * This depends on the colorspace. 364 */ 365 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \ 366 (((colsp) == V4L2_COLORSPACE_REC709 || \ 367 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \ 368 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \ 369 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \ 370 V4L2_YCBCR_ENC_601))) 371 372 enum v4l2_quantization { 373 /* 374 * The default for R'G'B' quantization is always full range. 375 * For Y'CbCr the quantization is always limited range, except 376 * for COLORSPACE_JPEG: this is full range. 377 */ 378 V4L2_QUANTIZATION_DEFAULT = 0, 379 V4L2_QUANTIZATION_FULL_RANGE = 1, 380 V4L2_QUANTIZATION_LIM_RANGE = 2, 381 }; 382 383 /* 384 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization. 385 * This depends on whether the image is RGB or not, the colorspace. 386 * The Y'CbCr encoding is not used anymore, but is still there for backwards 387 * compatibility. 388 */ 389 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \ 390 (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \ 391 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE) 392 393 /* 394 * Deprecated names for opRGB colorspace (IEC 61966-2-5) 395 * 396 * WARNING: Please don't use these deprecated defines in your code, as 397 * there is a chance we have to remove them in the future. 398 */ 399 #ifndef __KERNEL__ 400 #define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB 401 #define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB 402 #endif 403 404 enum v4l2_priority { 405 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 406 V4L2_PRIORITY_BACKGROUND = 1, 407 V4L2_PRIORITY_INTERACTIVE = 2, 408 V4L2_PRIORITY_RECORD = 3, 409 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 410 }; 411 412 struct v4l2_rect { 413 __s32 left; 414 __s32 top; 415 __u32 width; 416 __u32 height; 417 }; 418 419 struct v4l2_fract { 420 __u32 numerator; 421 __u32 denominator; 422 }; 423 424 struct v4l2_area { 425 __u32 width; 426 __u32 height; 427 }; 428 429 /** 430 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 431 * 432 * @driver: name of the driver module (e.g. "bttv") 433 * @card: name of the card (e.g. "Hauppauge WinTV") 434 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 435 * @version: KERNEL_VERSION 436 * @capabilities: capabilities of the physical device as a whole 437 * @device_caps: capabilities accessed via this particular device (node) 438 * @reserved: reserved fields for future extensions 439 */ 440 struct v4l2_capability { 441 __u8 driver[16]; 442 __u8 card[32]; 443 __u8 bus_info[32]; 444 __u32 version; 445 __u32 capabilities; 446 __u32 device_caps; 447 __u32 reserved[3]; 448 }; 449 450 /* Values for 'capabilities' field */ 451 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 452 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 453 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 454 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 455 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 456 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 457 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 458 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 459 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 460 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 461 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 462 463 /* Is a video capture device that supports multiplanar formats */ 464 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 465 /* Is a video output device that supports multiplanar formats */ 466 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 467 /* Is a video mem-to-mem device that supports multiplanar formats */ 468 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 469 /* Is a video mem-to-mem device */ 470 #define V4L2_CAP_VIDEO_M2M 0x00008000 471 472 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 473 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 474 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 475 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 476 477 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */ 478 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */ 479 #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */ 480 #define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */ 481 482 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 483 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 484 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 485 #define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */ 486 487 #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */ 488 489 #define V4L2_CAP_IO_MC 0x20000000 /* Is input/output controlled by the media controller */ 490 491 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 492 493 /* 494 * V I D E O I M A G E F O R M A T 495 */ 496 struct v4l2_pix_format { 497 __u32 width; 498 __u32 height; 499 __u32 pixelformat; 500 __u32 field; /* enum v4l2_field */ 501 __u32 bytesperline; /* for padding, zero if unused */ 502 __u32 sizeimage; 503 __u32 colorspace; /* enum v4l2_colorspace */ 504 __u32 priv; /* private data, depends on pixelformat */ 505 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ 506 union { 507 /* enum v4l2_ycbcr_encoding */ 508 __u32 ycbcr_enc; 509 /* enum v4l2_hsv_encoding */ 510 __u32 hsv_enc; 511 }; 512 __u32 quantization; /* enum v4l2_quantization */ 513 __u32 xfer_func; /* enum v4l2_xfer_func */ 514 }; 515 516 /* Pixel format FOURCC depth Description */ 517 518 /* RGB formats (1 or 2 bytes per pixel) */ 519 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 520 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 521 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */ 522 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */ 523 #define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2') /* 16 rrrrgggg bbbbaaaa */ 524 #define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16 rrrrgggg bbbbxxxx */ 525 #define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16 aaaabbbb ggggrrrr */ 526 #define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16 xxxxbbbb ggggrrrr */ 527 #define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('G', 'A', '1', '2') /* 16 bbbbgggg rrrraaaa */ 528 #define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16 bbbbgggg rrrrxxxx */ 529 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 530 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */ 531 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */ 532 #define V4L2_PIX_FMT_RGBA555 v4l2_fourcc('R', 'A', '1', '5') /* 16 RGBA-5-5-5-1 */ 533 #define V4L2_PIX_FMT_RGBX555 v4l2_fourcc('R', 'X', '1', '5') /* 16 RGBX-5-5-5-1 */ 534 #define V4L2_PIX_FMT_ABGR555 v4l2_fourcc('A', 'B', '1', '5') /* 16 ABGR-1-5-5-5 */ 535 #define V4L2_PIX_FMT_XBGR555 v4l2_fourcc('X', 'B', '1', '5') /* 16 XBGR-1-5-5-5 */ 536 #define V4L2_PIX_FMT_BGRA555 v4l2_fourcc('B', 'A', '1', '5') /* 16 BGRA-5-5-5-1 */ 537 #define V4L2_PIX_FMT_BGRX555 v4l2_fourcc('B', 'X', '1', '5') /* 16 BGRX-5-5-5-1 */ 538 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 539 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 540 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */ 541 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */ 542 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 543 544 /* RGB formats (3 or 4 bytes per pixel) */ 545 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 546 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 547 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 548 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 549 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */ 550 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */ 551 #define V4L2_PIX_FMT_BGRA32 v4l2_fourcc('R', 'A', '2', '4') /* 32 ABGR-8-8-8-8 */ 552 #define V4L2_PIX_FMT_BGRX32 v4l2_fourcc('R', 'X', '2', '4') /* 32 XBGR-8-8-8-8 */ 553 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 554 #define V4L2_PIX_FMT_RGBA32 v4l2_fourcc('A', 'B', '2', '4') /* 32 RGBA-8-8-8-8 */ 555 #define V4L2_PIX_FMT_RGBX32 v4l2_fourcc('X', 'B', '2', '4') /* 32 RGBX-8-8-8-8 */ 556 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */ 557 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */ 558 559 /* Grey formats */ 560 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 561 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 562 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 563 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 564 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 565 #define V4L2_PIX_FMT_Y14 v4l2_fourcc('Y', '1', '4', ' ') /* 14 Greyscale */ 566 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 567 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */ 568 569 /* Grey bit-packed formats */ 570 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 571 #define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */ 572 573 /* Palette formats */ 574 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 575 576 /* Chrominance formats */ 577 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 578 579 /* Luminance+Chrominance formats */ 580 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 581 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 582 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 583 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 584 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 585 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 586 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 587 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 588 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 589 #define V4L2_PIX_FMT_YUV24 v4l2_fourcc('Y', 'U', 'V', '3') /* 24 YUV-8-8-8 */ 590 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 591 #define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */ 592 #define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */ 593 #define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */ 594 #define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */ 595 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 596 597 /* two planes -- one Y, one Cr + Cb interleaved */ 598 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 599 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 600 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 601 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 602 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 603 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 604 605 /* two non contiguous planes - one Y, one Cr + Cb interleaved */ 606 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 607 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 608 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ 609 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ 610 611 /* three planes - Y Cb, Cr */ 612 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 613 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 614 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */ 615 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 616 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 617 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 618 619 /* three non contiguous planes - Y, Cb, Cr */ 620 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 621 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 622 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */ 623 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */ 624 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */ 625 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */ 626 627 /* Tiled YUV formats */ 628 #define V4L2_PIX_FMT_NV12_4L4 v4l2_fourcc('V', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 4x4 tiles */ 629 #define V4L2_PIX_FMT_NV12_16L16 v4l2_fourcc('H', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */ 630 #define V4L2_PIX_FMT_NV12_32L32 v4l2_fourcc('S', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 32x32 tiles */ 631 632 /* Tiled YUV formats, non contiguous planes */ 633 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 tiles */ 634 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */ 635 636 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 637 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 638 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 639 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 640 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 641 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 642 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 643 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 644 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 645 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ 646 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') 647 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') 648 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') 649 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') 650 /* 10bit raw bayer a-law compressed to 8 bits */ 651 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 652 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 653 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 654 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 655 /* 10bit raw bayer DPCM compressed to 8 bits */ 656 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 657 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 658 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 659 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 660 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 661 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 662 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 663 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 664 /* 12bit raw bayer packed, 6 bytes for every 4 pixels */ 665 #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C') 666 #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C') 667 #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C') 668 #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C') 669 #define V4L2_PIX_FMT_SBGGR14 v4l2_fourcc('B', 'G', '1', '4') /* 14 BGBG.. GRGR.. */ 670 #define V4L2_PIX_FMT_SGBRG14 v4l2_fourcc('G', 'B', '1', '4') /* 14 GBGB.. RGRG.. */ 671 #define V4L2_PIX_FMT_SGRBG14 v4l2_fourcc('G', 'R', '1', '4') /* 14 GRGR.. BGBG.. */ 672 #define V4L2_PIX_FMT_SRGGB14 v4l2_fourcc('R', 'G', '1', '4') /* 14 RGRG.. GBGB.. */ 673 /* 14bit raw bayer packed, 7 bytes for every 4 pixels */ 674 #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E') 675 #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E') 676 #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E') 677 #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E') 678 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 679 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */ 680 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */ 681 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */ 682 683 /* HSV formats */ 684 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3') 685 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4') 686 687 /* compressed formats */ 688 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 689 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 690 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 691 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 692 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 693 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 694 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 695 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 696 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 697 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 698 #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */ 699 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 700 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 701 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 702 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 703 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 704 #define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') /* VP8 parsed frame */ 705 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */ 706 #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */ 707 #define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */ 708 #define V4L2_PIX_FMT_FWHT_STATELESS v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */ 709 #define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */ 710 711 /* Vendor-specific formats */ 712 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 713 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 714 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 715 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 716 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 717 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 718 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 719 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 720 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 721 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 722 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 723 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 724 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 725 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 726 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 727 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 728 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 729 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 730 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 731 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 732 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 733 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 734 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 735 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 736 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 737 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 738 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */ 739 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */ 740 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */ 741 #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */ 742 #define V4L2_PIX_FMT_MM21 v4l2_fourcc('M', 'M', '2', '1') /* Mediatek 8-bit block mode, two non-contiguous planes */ 743 #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */ 744 #define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */ 745 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* BTTV 8-bit dithered RGB */ 746 747 /* 10bit raw bayer packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */ 748 #define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */ 749 #define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */ 750 #define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */ 751 #define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */ 752 753 /* SDR formats - used only for Software Defined Radio devices */ 754 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 755 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 756 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 757 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 758 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 759 #define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */ 760 #define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */ 761 #define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */ 762 763 /* Touch formats - used for Touch devices */ 764 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */ 765 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */ 766 #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */ 767 #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */ 768 769 /* Meta-data formats */ 770 #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */ 771 #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */ 772 #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */ 773 #define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */ 774 #define V4L2_META_FMT_VIVID v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */ 775 776 /* Vendor specific - used for RK_ISP1 camera sub-system */ 777 #define V4L2_META_FMT_RK_ISP1_PARAMS v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */ 778 #define V4L2_META_FMT_RK_ISP1_STAT_3A v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */ 779 780 /* priv field value to indicates that subsequent fields are valid. */ 781 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 782 783 /* Flags */ 784 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 785 #define V4L2_PIX_FMT_FLAG_SET_CSC 0x00000002 786 787 /* 788 * F O R M A T E N U M E R A T I O N 789 */ 790 struct v4l2_fmtdesc { 791 __u32 index; /* Format number */ 792 __u32 type; /* enum v4l2_buf_type */ 793 __u32 flags; 794 __u8 description[32]; /* Description string */ 795 __u32 pixelformat; /* Format fourcc */ 796 __u32 mbus_code; /* Media bus code */ 797 __u32 reserved[3]; 798 }; 799 800 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 801 #define V4L2_FMT_FLAG_EMULATED 0x0002 802 #define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM 0x0004 803 #define V4L2_FMT_FLAG_DYN_RESOLUTION 0x0008 804 #define V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL 0x0010 805 #define V4L2_FMT_FLAG_CSC_COLORSPACE 0x0020 806 #define V4L2_FMT_FLAG_CSC_XFER_FUNC 0x0040 807 #define V4L2_FMT_FLAG_CSC_YCBCR_ENC 0x0080 808 #define V4L2_FMT_FLAG_CSC_HSV_ENC V4L2_FMT_FLAG_CSC_YCBCR_ENC 809 #define V4L2_FMT_FLAG_CSC_QUANTIZATION 0x0100 810 811 /* Frame Size and frame rate enumeration */ 812 /* 813 * F R A M E S I Z E E N U M E R A T I O N 814 */ 815 enum v4l2_frmsizetypes { 816 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 817 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 818 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 819 }; 820 821 struct v4l2_frmsize_discrete { 822 __u32 width; /* Frame width [pixel] */ 823 __u32 height; /* Frame height [pixel] */ 824 }; 825 826 struct v4l2_frmsize_stepwise { 827 __u32 min_width; /* Minimum frame width [pixel] */ 828 __u32 max_width; /* Maximum frame width [pixel] */ 829 __u32 step_width; /* Frame width step size [pixel] */ 830 __u32 min_height; /* Minimum frame height [pixel] */ 831 __u32 max_height; /* Maximum frame height [pixel] */ 832 __u32 step_height; /* Frame height step size [pixel] */ 833 }; 834 835 struct v4l2_frmsizeenum { 836 __u32 index; /* Frame size number */ 837 __u32 pixel_format; /* Pixel format */ 838 __u32 type; /* Frame size type the device supports. */ 839 840 union { /* Frame size */ 841 struct v4l2_frmsize_discrete discrete; 842 struct v4l2_frmsize_stepwise stepwise; 843 }; 844 845 __u32 reserved[2]; /* Reserved space for future use */ 846 }; 847 848 /* 849 * F R A M E R A T E E N U M E R A T I O N 850 */ 851 enum v4l2_frmivaltypes { 852 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 853 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 854 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 855 }; 856 857 struct v4l2_frmival_stepwise { 858 struct v4l2_fract min; /* Minimum frame interval [s] */ 859 struct v4l2_fract max; /* Maximum frame interval [s] */ 860 struct v4l2_fract step; /* Frame interval step size [s] */ 861 }; 862 863 struct v4l2_frmivalenum { 864 __u32 index; /* Frame format index */ 865 __u32 pixel_format; /* Pixel format */ 866 __u32 width; /* Frame width */ 867 __u32 height; /* Frame height */ 868 __u32 type; /* Frame interval type the device supports. */ 869 870 union { /* Frame interval */ 871 struct v4l2_fract discrete; 872 struct v4l2_frmival_stepwise stepwise; 873 }; 874 875 __u32 reserved[2]; /* Reserved space for future use */ 876 }; 877 878 /* 879 * T I M E C O D E 880 */ 881 struct v4l2_timecode { 882 __u32 type; 883 __u32 flags; 884 __u8 frames; 885 __u8 seconds; 886 __u8 minutes; 887 __u8 hours; 888 __u8 userbits[4]; 889 }; 890 891 /* Type */ 892 #define V4L2_TC_TYPE_24FPS 1 893 #define V4L2_TC_TYPE_25FPS 2 894 #define V4L2_TC_TYPE_30FPS 3 895 #define V4L2_TC_TYPE_50FPS 4 896 #define V4L2_TC_TYPE_60FPS 5 897 898 /* Flags */ 899 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 900 #define V4L2_TC_FLAG_COLORFRAME 0x0002 901 #define V4L2_TC_USERBITS_field 0x000C 902 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 903 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 904 /* The above is based on SMPTE timecodes */ 905 906 struct v4l2_jpegcompression { 907 int quality; 908 909 int APPn; /* Number of APP segment to be written, 910 * must be 0..15 */ 911 int APP_len; /* Length of data in JPEG APPn segment */ 912 char APP_data[60]; /* Data in the JPEG APPn segment. */ 913 914 int COM_len; /* Length of data in JPEG COM segment */ 915 char COM_data[60]; /* Data in JPEG COM segment */ 916 917 __u32 jpeg_markers; /* Which markers should go into the JPEG 918 * output. Unless you exactly know what 919 * you do, leave them untouched. 920 * Including less markers will make the 921 * resulting code smaller, but there will 922 * be fewer applications which can read it. 923 * The presence of the APP and COM marker 924 * is influenced by APP_len and COM_len 925 * ONLY, not by this property! */ 926 927 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 928 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 929 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 930 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 931 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 932 * always use APP0 */ 933 }; 934 935 /* 936 * M E M O R Y - M A P P I N G B U F F E R S 937 */ 938 939 #ifdef __KERNEL__ 940 /* 941 * This corresponds to the user space version of timeval 942 * for 64-bit time_t. sparc64 is different from everyone 943 * else, using the microseconds in the wrong half of the 944 * second 64-bit word. 945 */ 946 struct __kernel_v4l2_timeval { 947 long long tv_sec; 948 #if defined(__sparc__) && defined(__arch64__) 949 int tv_usec; 950 int __pad; 951 #else 952 long long tv_usec; 953 #endif 954 }; 955 #endif 956 957 struct v4l2_requestbuffers { 958 __u32 count; 959 __u32 type; /* enum v4l2_buf_type */ 960 __u32 memory; /* enum v4l2_memory */ 961 __u32 capabilities; 962 __u32 reserved[1]; 963 }; 964 965 /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */ 966 #define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0) 967 #define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1) 968 #define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2) 969 #define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3) 970 #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4) 971 #define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5) 972 #define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS (1 << 6) 973 974 /** 975 * struct v4l2_plane - plane info for multi-planar buffers 976 * @bytesused: number of bytes occupied by data in the plane (payload) 977 * @length: size of this plane (NOT the payload) in bytes 978 * @mem_offset: when memory in the associated struct v4l2_buffer is 979 * V4L2_MEMORY_MMAP, equals the offset from the start of 980 * the device memory for this plane (or is a "cookie" that 981 * should be passed to mmap() called on the video node) 982 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 983 * pointing to this plane 984 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 985 * descriptor associated with this plane 986 * @m: union of @mem_offset, @userptr and @fd 987 * @data_offset: offset in the plane to the start of data; usually 0, 988 * unless there is a header in front of the data 989 * @reserved: drivers and applications must zero this array 990 * 991 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 992 * with two planes can have one plane for Y, and another for interleaved CbCr 993 * components. Each plane can reside in a separate memory buffer, or even in 994 * a completely separate memory node (e.g. in embedded devices). 995 */ 996 struct v4l2_plane { 997 __u32 bytesused; 998 __u32 length; 999 union { 1000 __u32 mem_offset; 1001 unsigned long userptr; 1002 __s32 fd; 1003 } m; 1004 __u32 data_offset; 1005 __u32 reserved[11]; 1006 }; 1007 1008 /** 1009 * struct v4l2_buffer - video buffer info 1010 * @index: id number of the buffer 1011 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 1012 * multiplanar buffers); 1013 * @bytesused: number of bytes occupied by data in the buffer (payload); 1014 * unused (set to 0) for multiplanar buffers 1015 * @flags: buffer informational flags 1016 * @field: enum v4l2_field; field order of the image in the buffer 1017 * @timestamp: frame timestamp 1018 * @timecode: frame timecode 1019 * @sequence: sequence count of this frame 1020 * @memory: enum v4l2_memory; the method, in which the actual video data is 1021 * passed 1022 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 1023 * offset from the start of the device memory for this plane, 1024 * (or a "cookie" that should be passed to mmap() as offset) 1025 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 1026 * a userspace pointer pointing to this buffer 1027 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 1028 * a userspace file descriptor associated with this buffer 1029 * @planes: for multiplanar buffers; userspace pointer to the array of plane 1030 * info structs for this buffer 1031 * @m: union of @offset, @userptr, @planes and @fd 1032 * @length: size in bytes of the buffer (NOT its payload) for single-plane 1033 * buffers (when type != *_MPLANE); number of elements in the 1034 * planes array for multi-plane buffers 1035 * @reserved2: drivers and applications must zero this field 1036 * @request_fd: fd of the request that this buffer should use 1037 * @reserved: for backwards compatibility with applications that do not know 1038 * about @request_fd 1039 * 1040 * Contains data exchanged by application and driver using one of the Streaming 1041 * I/O methods. 1042 */ 1043 struct v4l2_buffer { 1044 __u32 index; 1045 __u32 type; 1046 __u32 bytesused; 1047 __u32 flags; 1048 __u32 field; 1049 #ifdef __KERNEL__ 1050 struct __kernel_v4l2_timeval timestamp; 1051 #else 1052 struct timeval timestamp; 1053 #endif 1054 struct v4l2_timecode timecode; 1055 __u32 sequence; 1056 1057 /* memory location */ 1058 __u32 memory; 1059 union { 1060 __u32 offset; 1061 unsigned long userptr; 1062 struct v4l2_plane *planes; 1063 __s32 fd; 1064 } m; 1065 __u32 length; 1066 __u32 reserved2; 1067 union { 1068 __s32 request_fd; 1069 __u32 reserved; 1070 }; 1071 }; 1072 1073 #ifndef __KERNEL__ 1074 /** 1075 * v4l2_timeval_to_ns - Convert timeval to nanoseconds 1076 * @tv: pointer to the timeval variable to be converted 1077 * 1078 * Returns the scalar nanosecond representation of the timeval 1079 * parameter. 1080 */ 1081 static inline __u64 v4l2_timeval_to_ns(const struct timeval *tv) 1082 { 1083 return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000; 1084 } 1085 #endif 1086 1087 /* Flags for 'flags' field */ 1088 /* Buffer is mapped (flag) */ 1089 #define V4L2_BUF_FLAG_MAPPED 0x00000001 1090 /* Buffer is queued for processing */ 1091 #define V4L2_BUF_FLAG_QUEUED 0x00000002 1092 /* Buffer is ready */ 1093 #define V4L2_BUF_FLAG_DONE 0x00000004 1094 /* Image is a keyframe (I-frame) */ 1095 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008 1096 /* Image is a P-frame */ 1097 #define V4L2_BUF_FLAG_PFRAME 0x00000010 1098 /* Image is a B-frame */ 1099 #define V4L2_BUF_FLAG_BFRAME 0x00000020 1100 /* Buffer is ready, but the data contained within is corrupted. */ 1101 #define V4L2_BUF_FLAG_ERROR 0x00000040 1102 /* Buffer is added to an unqueued request */ 1103 #define V4L2_BUF_FLAG_IN_REQUEST 0x00000080 1104 /* timecode field is valid */ 1105 #define V4L2_BUF_FLAG_TIMECODE 0x00000100 1106 /* Don't return the capture buffer until OUTPUT timestamp changes */ 1107 #define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF 0x00000200 1108 /* Buffer is prepared for queuing */ 1109 #define V4L2_BUF_FLAG_PREPARED 0x00000400 1110 /* Cache handling flags */ 1111 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 1112 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 1113 /* Timestamp type */ 1114 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 1115 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 1116 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 1117 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 1118 /* Timestamp sources. */ 1119 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 1120 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 1121 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 1122 /* mem2mem encoder/decoder */ 1123 #define V4L2_BUF_FLAG_LAST 0x00100000 1124 /* request_fd is valid */ 1125 #define V4L2_BUF_FLAG_REQUEST_FD 0x00800000 1126 1127 /** 1128 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 1129 * 1130 * @index: id number of the buffer 1131 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 1132 * multiplanar buffers); 1133 * @plane: index of the plane to be exported, 0 for single plane queues 1134 * @flags: flags for newly created file, currently only O_CLOEXEC is 1135 * supported, refer to manual of open syscall for more details 1136 * @fd: file descriptor associated with DMABUF (set by driver) 1137 * @reserved: drivers and applications must zero this array 1138 * 1139 * Contains data used for exporting a video buffer as DMABUF file descriptor. 1140 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 1141 * (identical to the cookie used to mmap() the buffer to userspace). All 1142 * reserved fields must be set to zero. The field reserved0 is expected to 1143 * become a structure 'type' allowing an alternative layout of the structure 1144 * content. Therefore this field should not be used for any other extensions. 1145 */ 1146 struct v4l2_exportbuffer { 1147 __u32 type; /* enum v4l2_buf_type */ 1148 __u32 index; 1149 __u32 plane; 1150 __u32 flags; 1151 __s32 fd; 1152 __u32 reserved[11]; 1153 }; 1154 1155 /* 1156 * O V E R L A Y P R E V I E W 1157 */ 1158 struct v4l2_framebuffer { 1159 __u32 capability; 1160 __u32 flags; 1161 /* FIXME: in theory we should pass something like PCI device + memory 1162 * region + offset instead of some physical address */ 1163 void *base; 1164 struct { 1165 __u32 width; 1166 __u32 height; 1167 __u32 pixelformat; 1168 __u32 field; /* enum v4l2_field */ 1169 __u32 bytesperline; /* for padding, zero if unused */ 1170 __u32 sizeimage; 1171 __u32 colorspace; /* enum v4l2_colorspace */ 1172 __u32 priv; /* reserved field, set to 0 */ 1173 } fmt; 1174 }; 1175 /* Flags for the 'capability' field. Read only */ 1176 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 1177 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 1178 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 1179 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 1180 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 1181 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 1182 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 1183 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 1184 /* Flags for the 'flags' field. */ 1185 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 1186 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 1187 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 1188 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 1189 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 1190 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 1191 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 1192 1193 struct v4l2_clip { 1194 struct v4l2_rect c; 1195 struct v4l2_clip __user *next; 1196 }; 1197 1198 struct v4l2_window { 1199 struct v4l2_rect w; 1200 __u32 field; /* enum v4l2_field */ 1201 __u32 chromakey; 1202 struct v4l2_clip *clips; 1203 __u32 clipcount; 1204 void __user *bitmap; 1205 __u8 global_alpha; 1206 }; 1207 1208 /* 1209 * C A P T U R E P A R A M E T E R S 1210 */ 1211 struct v4l2_captureparm { 1212 __u32 capability; /* Supported modes */ 1213 __u32 capturemode; /* Current mode */ 1214 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1215 __u32 extendedmode; /* Driver-specific extensions */ 1216 __u32 readbuffers; /* # of buffers for read */ 1217 __u32 reserved[4]; 1218 }; 1219 1220 /* Flags for 'capability' and 'capturemode' fields */ 1221 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 1222 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 1223 1224 struct v4l2_outputparm { 1225 __u32 capability; /* Supported modes */ 1226 __u32 outputmode; /* Current mode */ 1227 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1228 __u32 extendedmode; /* Driver-specific extensions */ 1229 __u32 writebuffers; /* # of buffers for write */ 1230 __u32 reserved[4]; 1231 }; 1232 1233 /* 1234 * I N P U T I M A G E C R O P P I N G 1235 */ 1236 struct v4l2_cropcap { 1237 __u32 type; /* enum v4l2_buf_type */ 1238 struct v4l2_rect bounds; 1239 struct v4l2_rect defrect; 1240 struct v4l2_fract pixelaspect; 1241 }; 1242 1243 struct v4l2_crop { 1244 __u32 type; /* enum v4l2_buf_type */ 1245 struct v4l2_rect c; 1246 }; 1247 1248 /** 1249 * struct v4l2_selection - selection info 1250 * @type: buffer type (do not use *_MPLANE types) 1251 * @target: Selection target, used to choose one of possible rectangles; 1252 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 1253 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 1254 * @r: coordinates of selection window 1255 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 1256 * 1257 * Hardware may use multiple helper windows to process a video stream. 1258 * The structure is used to exchange this selection areas between 1259 * an application and a driver. 1260 */ 1261 struct v4l2_selection { 1262 __u32 type; 1263 __u32 target; 1264 __u32 flags; 1265 struct v4l2_rect r; 1266 __u32 reserved[9]; 1267 }; 1268 1269 1270 /* 1271 * A N A L O G V I D E O S T A N D A R D 1272 */ 1273 1274 typedef __u64 v4l2_std_id; 1275 1276 /* 1277 * Attention: Keep the V4L2_STD_* bit definitions in sync with 1278 * include/dt-bindings/display/sdtv-standards.h SDTV_STD_* bit definitions. 1279 */ 1280 /* one bit for each */ 1281 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 1282 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 1283 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 1284 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 1285 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 1286 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 1287 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 1288 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 1289 1290 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 1291 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 1292 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 1293 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 1294 1295 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 1296 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 1297 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 1298 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 1299 1300 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 1301 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 1302 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 1303 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 1304 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 1305 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 1306 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 1307 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 1308 1309 /* ATSC/HDTV */ 1310 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 1311 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 1312 1313 /* FIXME: 1314 Although std_id is 64 bits, there is an issue on PPC32 architecture that 1315 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 1316 this value to 32 bits. 1317 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 1318 it should work fine. However, if needed to add more than two standards, 1319 v4l2-common.c should be fixed. 1320 */ 1321 1322 /* 1323 * Some macros to merge video standards in order to make live easier for the 1324 * drivers and V4L2 applications 1325 */ 1326 1327 /* 1328 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 1329 * Missing here. 1330 */ 1331 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 1332 V4L2_STD_NTSC_M_JP |\ 1333 V4L2_STD_NTSC_M_KR) 1334 /* Secam macros */ 1335 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 1336 V4L2_STD_SECAM_K |\ 1337 V4L2_STD_SECAM_K1) 1338 /* All Secam Standards */ 1339 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 1340 V4L2_STD_SECAM_G |\ 1341 V4L2_STD_SECAM_H |\ 1342 V4L2_STD_SECAM_DK |\ 1343 V4L2_STD_SECAM_L |\ 1344 V4L2_STD_SECAM_LC) 1345 /* PAL macros */ 1346 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 1347 V4L2_STD_PAL_B1 |\ 1348 V4L2_STD_PAL_G) 1349 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1350 V4L2_STD_PAL_D1 |\ 1351 V4L2_STD_PAL_K) 1352 /* 1353 * "Common" PAL - This macro is there to be compatible with the old 1354 * V4L1 concept of "PAL": /BGDKHI. 1355 * Several PAL standards are missing here: /M, /N and /Nc 1356 */ 1357 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1358 V4L2_STD_PAL_DK |\ 1359 V4L2_STD_PAL_H |\ 1360 V4L2_STD_PAL_I) 1361 /* Chroma "agnostic" standards */ 1362 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 1363 V4L2_STD_PAL_B1 |\ 1364 V4L2_STD_SECAM_B) 1365 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 1366 V4L2_STD_SECAM_G) 1367 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 1368 V4L2_STD_SECAM_H) 1369 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1370 V4L2_STD_SECAM_LC) 1371 #define V4L2_STD_GH (V4L2_STD_G |\ 1372 V4L2_STD_H) 1373 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1374 V4L2_STD_SECAM_DK) 1375 #define V4L2_STD_BG (V4L2_STD_B |\ 1376 V4L2_STD_G) 1377 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1378 V4L2_STD_PAL_N |\ 1379 V4L2_STD_PAL_Nc |\ 1380 V4L2_STD_NTSC) 1381 1382 /* Standards where MTS/BTSC stereo could be found */ 1383 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1384 V4L2_STD_PAL_M |\ 1385 V4L2_STD_PAL_N |\ 1386 V4L2_STD_PAL_Nc) 1387 1388 /* Standards for Countries with 60Hz Line frequency */ 1389 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1390 V4L2_STD_PAL_60 |\ 1391 V4L2_STD_NTSC |\ 1392 V4L2_STD_NTSC_443) 1393 /* Standards for Countries with 50Hz Line frequency */ 1394 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1395 V4L2_STD_PAL_N |\ 1396 V4L2_STD_PAL_Nc |\ 1397 V4L2_STD_SECAM) 1398 1399 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1400 V4L2_STD_ATSC_16_VSB) 1401 /* Macros with none and all analog standards */ 1402 #define V4L2_STD_UNKNOWN 0 1403 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1404 V4L2_STD_625_50) 1405 1406 struct v4l2_standard { 1407 __u32 index; 1408 v4l2_std_id id; 1409 __u8 name[24]; 1410 struct v4l2_fract frameperiod; /* Frames, not fields */ 1411 __u32 framelines; 1412 __u32 reserved[4]; 1413 }; 1414 1415 /* 1416 * D V B T T I M I N G S 1417 */ 1418 1419 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1420 * @width: total width of the active video in pixels 1421 * @height: total height of the active video in lines 1422 * @interlaced: Interlaced or progressive 1423 * @polarities: Positive or negative polarities 1424 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1425 * @hfrontporch:Horizontal front porch in pixels 1426 * @hsync: Horizontal Sync length in pixels 1427 * @hbackporch: Horizontal back porch in pixels 1428 * @vfrontporch:Vertical front porch in lines 1429 * @vsync: Vertical Sync length in lines 1430 * @vbackporch: Vertical back porch in lines 1431 * @il_vfrontporch:Vertical front porch for the even field 1432 * (aka field 2) of interlaced field formats 1433 * @il_vsync: Vertical Sync length for the even field 1434 * (aka field 2) of interlaced field formats 1435 * @il_vbackporch:Vertical back porch for the even field 1436 * (aka field 2) of interlaced field formats 1437 * @standards: Standards the timing belongs to 1438 * @flags: Flags 1439 * @picture_aspect: The picture aspect ratio (hor/vert). 1440 * @cea861_vic: VIC code as per the CEA-861 standard. 1441 * @hdmi_vic: VIC code as per the HDMI standard. 1442 * @reserved: Reserved fields, must be zeroed. 1443 * 1444 * A note regarding vertical interlaced timings: height refers to the total 1445 * height of the active video frame (= two fields). The blanking timings refer 1446 * to the blanking of each field. So the height of the total frame is 1447 * calculated as follows: 1448 * 1449 * tot_height = height + vfrontporch + vsync + vbackporch + 1450 * il_vfrontporch + il_vsync + il_vbackporch 1451 * 1452 * The active height of each field is height / 2. 1453 */ 1454 struct v4l2_bt_timings { 1455 __u32 width; 1456 __u32 height; 1457 __u32 interlaced; 1458 __u32 polarities; 1459 __u64 pixelclock; 1460 __u32 hfrontporch; 1461 __u32 hsync; 1462 __u32 hbackporch; 1463 __u32 vfrontporch; 1464 __u32 vsync; 1465 __u32 vbackporch; 1466 __u32 il_vfrontporch; 1467 __u32 il_vsync; 1468 __u32 il_vbackporch; 1469 __u32 standards; 1470 __u32 flags; 1471 struct v4l2_fract picture_aspect; 1472 __u8 cea861_vic; 1473 __u8 hdmi_vic; 1474 __u8 reserved[46]; 1475 } __attribute__ ((packed)); 1476 1477 /* Interlaced or progressive format */ 1478 #define V4L2_DV_PROGRESSIVE 0 1479 #define V4L2_DV_INTERLACED 1 1480 1481 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1482 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1483 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1484 1485 /* Timings standards */ 1486 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1487 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1488 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1489 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1490 #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */ 1491 1492 /* Flags */ 1493 1494 /* 1495 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1496 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1497 * intervals are reduced, allowing a higher resolution over the same 1498 * bandwidth. This is a read-only flag. 1499 */ 1500 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1501 /* 1502 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1503 * of six. These formats can be optionally played at 1 / 1.001 speed. 1504 * This is a read-only flag. 1505 */ 1506 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1507 /* 1508 * CEA-861 specific: only valid for video transmitters, the flag is cleared 1509 * by receivers. 1510 * If the framerate of the format is a multiple of six, then the pixelclock 1511 * used to set up the transmitter is divided by 1.001 to make it compatible 1512 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1513 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1514 * such frequencies, then the flag will also be cleared. 1515 */ 1516 #define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1517 /* 1518 * Specific to interlaced formats: if set, then field 1 is really one half-line 1519 * longer and field 2 is really one half-line shorter, so each field has 1520 * exactly the same number of half-lines. Whether half-lines can be detected 1521 * or used depends on the hardware. 1522 */ 1523 #define V4L2_DV_FL_HALF_LINE (1 << 3) 1524 /* 1525 * If set, then this is a Consumer Electronics (CE) video format. Such formats 1526 * differ from other formats (commonly called IT formats) in that if RGB 1527 * encoding is used then by default the RGB values use limited range (i.e. 1528 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861 1529 * except for the 640x480 format are CE formats. 1530 */ 1531 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4) 1532 /* Some formats like SMPTE-125M have an interlaced signal with a odd 1533 * total height. For these formats, if this flag is set, the first 1534 * field has the extra line. If not, it is the second field. 1535 */ 1536 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5) 1537 /* 1538 * If set, then the picture_aspect field is valid. Otherwise assume that the 1539 * pixels are square, so the picture aspect ratio is the same as the width to 1540 * height ratio. 1541 */ 1542 #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6) 1543 /* 1544 * If set, then the cea861_vic field is valid and contains the Video 1545 * Identification Code as per the CEA-861 standard. 1546 */ 1547 #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7) 1548 /* 1549 * If set, then the hdmi_vic field is valid and contains the Video 1550 * Identification Code as per the HDMI standard (HDMI Vendor Specific 1551 * InfoFrame). 1552 */ 1553 #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8) 1554 /* 1555 * CEA-861 specific: only valid for video receivers. 1556 * If set, then HW can detect the difference between regular FPS and 1557 * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with 1558 * the V4L2_DV_FL_CAN_REDUCE_FPS flag set. 1559 */ 1560 #define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9) 1561 1562 /* A few useful defines to calculate the total blanking and frame sizes */ 1563 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1564 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1565 #define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1566 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1567 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1568 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1569 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) 1570 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1571 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1572 1573 /** struct v4l2_dv_timings - DV timings 1574 * @type: the type of the timings 1575 * @bt: BT656/1120 timings 1576 */ 1577 struct v4l2_dv_timings { 1578 __u32 type; 1579 union { 1580 struct v4l2_bt_timings bt; 1581 __u32 reserved[32]; 1582 }; 1583 } __attribute__ ((packed)); 1584 1585 /* Values for the type field */ 1586 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1587 1588 1589 /** struct v4l2_enum_dv_timings - DV timings enumeration 1590 * @index: enumeration index 1591 * @pad: the pad number for which to enumerate timings (used with 1592 * v4l-subdev nodes only) 1593 * @reserved: must be zeroed 1594 * @timings: the timings for the given index 1595 */ 1596 struct v4l2_enum_dv_timings { 1597 __u32 index; 1598 __u32 pad; 1599 __u32 reserved[2]; 1600 struct v4l2_dv_timings timings; 1601 }; 1602 1603 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1604 * @min_width: width in pixels 1605 * @max_width: width in pixels 1606 * @min_height: height in lines 1607 * @max_height: height in lines 1608 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1609 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1610 * @standards: Supported standards 1611 * @capabilities: Supported capabilities 1612 * @reserved: Must be zeroed 1613 */ 1614 struct v4l2_bt_timings_cap { 1615 __u32 min_width; 1616 __u32 max_width; 1617 __u32 min_height; 1618 __u32 max_height; 1619 __u64 min_pixelclock; 1620 __u64 max_pixelclock; 1621 __u32 standards; 1622 __u32 capabilities; 1623 __u32 reserved[16]; 1624 } __attribute__ ((packed)); 1625 1626 /* Supports interlaced formats */ 1627 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1628 /* Supports progressive formats */ 1629 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1630 /* Supports CVT/GTF reduced blanking */ 1631 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1632 /* Supports custom formats */ 1633 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1634 1635 /** struct v4l2_dv_timings_cap - DV timings capabilities 1636 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1637 * @pad: the pad number for which to query capabilities (used with 1638 * v4l-subdev nodes only) 1639 * @bt: the BT656/1120 timings capabilities 1640 */ 1641 struct v4l2_dv_timings_cap { 1642 __u32 type; 1643 __u32 pad; 1644 __u32 reserved[2]; 1645 union { 1646 struct v4l2_bt_timings_cap bt; 1647 __u32 raw_data[32]; 1648 }; 1649 }; 1650 1651 1652 /* 1653 * V I D E O I N P U T S 1654 */ 1655 struct v4l2_input { 1656 __u32 index; /* Which input */ 1657 __u8 name[32]; /* Label */ 1658 __u32 type; /* Type of input */ 1659 __u32 audioset; /* Associated audios (bitfield) */ 1660 __u32 tuner; /* enum v4l2_tuner_type */ 1661 v4l2_std_id std; 1662 __u32 status; 1663 __u32 capabilities; 1664 __u32 reserved[3]; 1665 }; 1666 1667 /* Values for the 'type' field */ 1668 #define V4L2_INPUT_TYPE_TUNER 1 1669 #define V4L2_INPUT_TYPE_CAMERA 2 1670 #define V4L2_INPUT_TYPE_TOUCH 3 1671 1672 /* field 'status' - general */ 1673 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1674 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1675 #define V4L2_IN_ST_NO_COLOR 0x00000004 1676 1677 /* field 'status' - sensor orientation */ 1678 /* If sensor is mounted upside down set both bits */ 1679 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1680 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1681 1682 /* field 'status' - analog */ 1683 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1684 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1685 #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */ 1686 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */ 1687 1688 /* field 'status' - digital */ 1689 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1690 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1691 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1692 1693 /* field 'status' - VCR and set-top box */ 1694 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1695 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1696 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1697 1698 /* capabilities flags */ 1699 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1700 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1701 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1702 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1703 1704 /* 1705 * V I D E O O U T P U T S 1706 */ 1707 struct v4l2_output { 1708 __u32 index; /* Which output */ 1709 __u8 name[32]; /* Label */ 1710 __u32 type; /* Type of output */ 1711 __u32 audioset; /* Associated audios (bitfield) */ 1712 __u32 modulator; /* Associated modulator */ 1713 v4l2_std_id std; 1714 __u32 capabilities; 1715 __u32 reserved[3]; 1716 }; 1717 /* Values for the 'type' field */ 1718 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1719 #define V4L2_OUTPUT_TYPE_ANALOG 2 1720 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1721 1722 /* capabilities flags */ 1723 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1724 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1725 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1726 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1727 1728 /* 1729 * C O N T R O L S 1730 */ 1731 struct v4l2_control { 1732 __u32 id; 1733 __s32 value; 1734 }; 1735 1736 struct v4l2_ext_control { 1737 __u32 id; 1738 __u32 size; 1739 __u32 reserved2[1]; 1740 union { 1741 __s32 value; 1742 __s64 value64; 1743 char __user *string; 1744 __u8 __user *p_u8; 1745 __u16 __user *p_u16; 1746 __u32 __user *p_u32; 1747 struct v4l2_area __user *p_area; 1748 struct v4l2_ctrl_h264_sps __user *p_h264_sps; 1749 struct v4l2_ctrl_h264_pps *p_h264_pps; 1750 struct v4l2_ctrl_h264_scaling_matrix __user *p_h264_scaling_matrix; 1751 struct v4l2_ctrl_h264_pred_weights __user *p_h264_pred_weights; 1752 struct v4l2_ctrl_h264_slice_params __user *p_h264_slice_params; 1753 struct v4l2_ctrl_h264_decode_params __user *p_h264_decode_params; 1754 struct v4l2_ctrl_fwht_params __user *p_fwht_params; 1755 struct v4l2_ctrl_vp8_frame __user *p_vp8_frame; 1756 struct v4l2_ctrl_mpeg2_sequence __user *p_mpeg2_sequence; 1757 struct v4l2_ctrl_mpeg2_picture __user *p_mpeg2_picture; 1758 struct v4l2_ctrl_mpeg2_quantisation __user *p_mpeg2_quantisation; 1759 void __user *ptr; 1760 }; 1761 } __attribute__ ((packed)); 1762 1763 struct v4l2_ext_controls { 1764 union { 1765 #ifndef __KERNEL__ 1766 __u32 ctrl_class; 1767 #endif 1768 __u32 which; 1769 }; 1770 __u32 count; 1771 __u32 error_idx; 1772 __s32 request_fd; 1773 __u32 reserved[1]; 1774 struct v4l2_ext_control *controls; 1775 }; 1776 1777 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1778 #ifndef __KERNEL__ 1779 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1780 #endif 1781 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL) 1782 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1783 #define V4L2_CTRL_MAX_DIMS (4) 1784 #define V4L2_CTRL_WHICH_CUR_VAL 0 1785 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000 1786 #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000 1787 1788 enum v4l2_ctrl_type { 1789 V4L2_CTRL_TYPE_INTEGER = 1, 1790 V4L2_CTRL_TYPE_BOOLEAN = 2, 1791 V4L2_CTRL_TYPE_MENU = 3, 1792 V4L2_CTRL_TYPE_BUTTON = 4, 1793 V4L2_CTRL_TYPE_INTEGER64 = 5, 1794 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1795 V4L2_CTRL_TYPE_STRING = 7, 1796 V4L2_CTRL_TYPE_BITMASK = 8, 1797 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1798 1799 /* Compound types are >= 0x0100 */ 1800 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1801 V4L2_CTRL_TYPE_U8 = 0x0100, 1802 V4L2_CTRL_TYPE_U16 = 0x0101, 1803 V4L2_CTRL_TYPE_U32 = 0x0102, 1804 V4L2_CTRL_TYPE_AREA = 0x0106, 1805 1806 V4L2_CTRL_TYPE_HDR10_CLL_INFO = 0x0110, 1807 V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY = 0x0111, 1808 1809 V4L2_CTRL_TYPE_H264_SPS = 0x0200, 1810 V4L2_CTRL_TYPE_H264_PPS = 0x0201, 1811 V4L2_CTRL_TYPE_H264_SCALING_MATRIX = 0x0202, 1812 V4L2_CTRL_TYPE_H264_SLICE_PARAMS = 0x0203, 1813 V4L2_CTRL_TYPE_H264_DECODE_PARAMS = 0x0204, 1814 V4L2_CTRL_TYPE_H264_PRED_WEIGHTS = 0x0205, 1815 1816 V4L2_CTRL_TYPE_FWHT_PARAMS = 0x0220, 1817 1818 V4L2_CTRL_TYPE_VP8_FRAME = 0x0240, 1819 1820 V4L2_CTRL_TYPE_MPEG2_QUANTISATION = 0x0250, 1821 V4L2_CTRL_TYPE_MPEG2_SEQUENCE = 0x0251, 1822 V4L2_CTRL_TYPE_MPEG2_PICTURE = 0x0252, 1823 }; 1824 1825 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1826 struct v4l2_queryctrl { 1827 __u32 id; 1828 __u32 type; /* enum v4l2_ctrl_type */ 1829 __u8 name[32]; /* Whatever */ 1830 __s32 minimum; /* Note signedness */ 1831 __s32 maximum; 1832 __s32 step; 1833 __s32 default_value; 1834 __u32 flags; 1835 __u32 reserved[2]; 1836 }; 1837 1838 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1839 struct v4l2_query_ext_ctrl { 1840 __u32 id; 1841 __u32 type; 1842 char name[32]; 1843 __s64 minimum; 1844 __s64 maximum; 1845 __u64 step; 1846 __s64 default_value; 1847 __u32 flags; 1848 __u32 elem_size; 1849 __u32 elems; 1850 __u32 nr_of_dims; 1851 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1852 __u32 reserved[32]; 1853 }; 1854 1855 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1856 struct v4l2_querymenu { 1857 __u32 id; 1858 __u32 index; 1859 union { 1860 __u8 name[32]; /* Whatever */ 1861 __s64 value; 1862 }; 1863 __u32 reserved; 1864 } __attribute__ ((packed)); 1865 1866 /* Control flags */ 1867 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1868 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1869 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1870 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1871 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1872 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1873 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1874 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1875 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1876 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 1877 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400 1878 1879 /* Query flags, to be ORed with the control ID */ 1880 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1881 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1882 1883 /* User-class control IDs defined by V4L2 */ 1884 #define V4L2_CID_MAX_CTRLS 1024 1885 /* IDs reserved for driver specific controls */ 1886 #define V4L2_CID_PRIVATE_BASE 0x08000000 1887 1888 1889 /* 1890 * T U N I N G 1891 */ 1892 struct v4l2_tuner { 1893 __u32 index; 1894 __u8 name[32]; 1895 __u32 type; /* enum v4l2_tuner_type */ 1896 __u32 capability; 1897 __u32 rangelow; 1898 __u32 rangehigh; 1899 __u32 rxsubchans; 1900 __u32 audmode; 1901 __s32 signal; 1902 __s32 afc; 1903 __u32 reserved[4]; 1904 }; 1905 1906 struct v4l2_modulator { 1907 __u32 index; 1908 __u8 name[32]; 1909 __u32 capability; 1910 __u32 rangelow; 1911 __u32 rangehigh; 1912 __u32 txsubchans; 1913 __u32 type; /* enum v4l2_tuner_type */ 1914 __u32 reserved[3]; 1915 }; 1916 1917 /* Flags for the 'capability' field */ 1918 #define V4L2_TUNER_CAP_LOW 0x0001 1919 #define V4L2_TUNER_CAP_NORM 0x0002 1920 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1921 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1922 #define V4L2_TUNER_CAP_STEREO 0x0010 1923 #define V4L2_TUNER_CAP_LANG2 0x0020 1924 #define V4L2_TUNER_CAP_SAP 0x0020 1925 #define V4L2_TUNER_CAP_LANG1 0x0040 1926 #define V4L2_TUNER_CAP_RDS 0x0080 1927 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1928 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1929 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1930 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1931 #define V4L2_TUNER_CAP_1HZ 0x1000 1932 1933 /* Flags for the 'rxsubchans' field */ 1934 #define V4L2_TUNER_SUB_MONO 0x0001 1935 #define V4L2_TUNER_SUB_STEREO 0x0002 1936 #define V4L2_TUNER_SUB_LANG2 0x0004 1937 #define V4L2_TUNER_SUB_SAP 0x0004 1938 #define V4L2_TUNER_SUB_LANG1 0x0008 1939 #define V4L2_TUNER_SUB_RDS 0x0010 1940 1941 /* Values for the 'audmode' field */ 1942 #define V4L2_TUNER_MODE_MONO 0x0000 1943 #define V4L2_TUNER_MODE_STEREO 0x0001 1944 #define V4L2_TUNER_MODE_LANG2 0x0002 1945 #define V4L2_TUNER_MODE_SAP 0x0002 1946 #define V4L2_TUNER_MODE_LANG1 0x0003 1947 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1948 1949 struct v4l2_frequency { 1950 __u32 tuner; 1951 __u32 type; /* enum v4l2_tuner_type */ 1952 __u32 frequency; 1953 __u32 reserved[8]; 1954 }; 1955 1956 #define V4L2_BAND_MODULATION_VSB (1 << 1) 1957 #define V4L2_BAND_MODULATION_FM (1 << 2) 1958 #define V4L2_BAND_MODULATION_AM (1 << 3) 1959 1960 struct v4l2_frequency_band { 1961 __u32 tuner; 1962 __u32 type; /* enum v4l2_tuner_type */ 1963 __u32 index; 1964 __u32 capability; 1965 __u32 rangelow; 1966 __u32 rangehigh; 1967 __u32 modulation; 1968 __u32 reserved[9]; 1969 }; 1970 1971 struct v4l2_hw_freq_seek { 1972 __u32 tuner; 1973 __u32 type; /* enum v4l2_tuner_type */ 1974 __u32 seek_upward; 1975 __u32 wrap_around; 1976 __u32 spacing; 1977 __u32 rangelow; 1978 __u32 rangehigh; 1979 __u32 reserved[5]; 1980 }; 1981 1982 /* 1983 * R D S 1984 */ 1985 1986 struct v4l2_rds_data { 1987 __u8 lsb; 1988 __u8 msb; 1989 __u8 block; 1990 } __attribute__ ((packed)); 1991 1992 #define V4L2_RDS_BLOCK_MSK 0x7 1993 #define V4L2_RDS_BLOCK_A 0 1994 #define V4L2_RDS_BLOCK_B 1 1995 #define V4L2_RDS_BLOCK_C 2 1996 #define V4L2_RDS_BLOCK_D 3 1997 #define V4L2_RDS_BLOCK_C_ALT 4 1998 #define V4L2_RDS_BLOCK_INVALID 7 1999 2000 #define V4L2_RDS_BLOCK_CORRECTED 0x40 2001 #define V4L2_RDS_BLOCK_ERROR 0x80 2002 2003 /* 2004 * A U D I O 2005 */ 2006 struct v4l2_audio { 2007 __u32 index; 2008 __u8 name[32]; 2009 __u32 capability; 2010 __u32 mode; 2011 __u32 reserved[2]; 2012 }; 2013 2014 /* Flags for the 'capability' field */ 2015 #define V4L2_AUDCAP_STEREO 0x00001 2016 #define V4L2_AUDCAP_AVL 0x00002 2017 2018 /* Flags for the 'mode' field */ 2019 #define V4L2_AUDMODE_AVL 0x00001 2020 2021 struct v4l2_audioout { 2022 __u32 index; 2023 __u8 name[32]; 2024 __u32 capability; 2025 __u32 mode; 2026 __u32 reserved[2]; 2027 }; 2028 2029 /* 2030 * M P E G S E R V I C E S 2031 */ 2032 #if 1 2033 #define V4L2_ENC_IDX_FRAME_I (0) 2034 #define V4L2_ENC_IDX_FRAME_P (1) 2035 #define V4L2_ENC_IDX_FRAME_B (2) 2036 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 2037 2038 struct v4l2_enc_idx_entry { 2039 __u64 offset; 2040 __u64 pts; 2041 __u32 length; 2042 __u32 flags; 2043 __u32 reserved[2]; 2044 }; 2045 2046 #define V4L2_ENC_IDX_ENTRIES (64) 2047 struct v4l2_enc_idx { 2048 __u32 entries; 2049 __u32 entries_cap; 2050 __u32 reserved[4]; 2051 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 2052 }; 2053 2054 2055 #define V4L2_ENC_CMD_START (0) 2056 #define V4L2_ENC_CMD_STOP (1) 2057 #define V4L2_ENC_CMD_PAUSE (2) 2058 #define V4L2_ENC_CMD_RESUME (3) 2059 2060 /* Flags for V4L2_ENC_CMD_STOP */ 2061 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 2062 2063 struct v4l2_encoder_cmd { 2064 __u32 cmd; 2065 __u32 flags; 2066 union { 2067 struct { 2068 __u32 data[8]; 2069 } raw; 2070 }; 2071 }; 2072 2073 /* Decoder commands */ 2074 #define V4L2_DEC_CMD_START (0) 2075 #define V4L2_DEC_CMD_STOP (1) 2076 #define V4L2_DEC_CMD_PAUSE (2) 2077 #define V4L2_DEC_CMD_RESUME (3) 2078 #define V4L2_DEC_CMD_FLUSH (4) 2079 2080 /* Flags for V4L2_DEC_CMD_START */ 2081 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 2082 2083 /* Flags for V4L2_DEC_CMD_PAUSE */ 2084 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 2085 2086 /* Flags for V4L2_DEC_CMD_STOP */ 2087 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 2088 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 2089 2090 /* Play format requirements (returned by the driver): */ 2091 2092 /* The decoder has no special format requirements */ 2093 #define V4L2_DEC_START_FMT_NONE (0) 2094 /* The decoder requires full GOPs */ 2095 #define V4L2_DEC_START_FMT_GOP (1) 2096 2097 /* The structure must be zeroed before use by the application 2098 This ensures it can be extended safely in the future. */ 2099 struct v4l2_decoder_cmd { 2100 __u32 cmd; 2101 __u32 flags; 2102 union { 2103 struct { 2104 __u64 pts; 2105 } stop; 2106 2107 struct { 2108 /* 0 or 1000 specifies normal speed, 2109 1 specifies forward single stepping, 2110 -1 specifies backward single stepping, 2111 >1: playback at speed/1000 of the normal speed, 2112 <-1: reverse playback at (-speed/1000) of the normal speed. */ 2113 __s32 speed; 2114 __u32 format; 2115 } start; 2116 2117 struct { 2118 __u32 data[16]; 2119 } raw; 2120 }; 2121 }; 2122 #endif 2123 2124 2125 /* 2126 * D A T A S E R V I C E S ( V B I ) 2127 * 2128 * Data services API by Michael Schimek 2129 */ 2130 2131 /* Raw VBI */ 2132 struct v4l2_vbi_format { 2133 __u32 sampling_rate; /* in 1 Hz */ 2134 __u32 offset; 2135 __u32 samples_per_line; 2136 __u32 sample_format; /* V4L2_PIX_FMT_* */ 2137 __s32 start[2]; 2138 __u32 count[2]; 2139 __u32 flags; /* V4L2_VBI_* */ 2140 __u32 reserved[2]; /* must be zero */ 2141 }; 2142 2143 /* VBI flags */ 2144 #define V4L2_VBI_UNSYNC (1 << 0) 2145 #define V4L2_VBI_INTERLACED (1 << 1) 2146 2147 /* ITU-R start lines for each field */ 2148 #define V4L2_VBI_ITU_525_F1_START (1) 2149 #define V4L2_VBI_ITU_525_F2_START (264) 2150 #define V4L2_VBI_ITU_625_F1_START (1) 2151 #define V4L2_VBI_ITU_625_F2_START (314) 2152 2153 /* Sliced VBI 2154 * 2155 * This implements is a proposal V4L2 API to allow SLICED VBI 2156 * required for some hardware encoders. It should change without 2157 * notice in the definitive implementation. 2158 */ 2159 2160 struct v4l2_sliced_vbi_format { 2161 __u16 service_set; 2162 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2163 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2164 (equals frame lines 313-336 for 625 line video 2165 standards, 263-286 for 525 line standards) */ 2166 __u16 service_lines[2][24]; 2167 __u32 io_size; 2168 __u32 reserved[2]; /* must be zero */ 2169 }; 2170 2171 /* Teletext World System Teletext 2172 (WST), defined on ITU-R BT.653-2 */ 2173 #define V4L2_SLICED_TELETEXT_B (0x0001) 2174 /* Video Program System, defined on ETS 300 231*/ 2175 #define V4L2_SLICED_VPS (0x0400) 2176 /* Closed Caption, defined on EIA-608 */ 2177 #define V4L2_SLICED_CAPTION_525 (0x1000) 2178 /* Wide Screen System, defined on ITU-R BT1119.1 */ 2179 #define V4L2_SLICED_WSS_625 (0x4000) 2180 2181 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 2182 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 2183 2184 struct v4l2_sliced_vbi_cap { 2185 __u16 service_set; 2186 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2187 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2188 (equals frame lines 313-336 for 625 line video 2189 standards, 263-286 for 525 line standards) */ 2190 __u16 service_lines[2][24]; 2191 __u32 type; /* enum v4l2_buf_type */ 2192 __u32 reserved[3]; /* must be 0 */ 2193 }; 2194 2195 struct v4l2_sliced_vbi_data { 2196 __u32 id; 2197 __u32 field; /* 0: first field, 1: second field */ 2198 __u32 line; /* 1-23 */ 2199 __u32 reserved; /* must be 0 */ 2200 __u8 data[48]; 2201 }; 2202 2203 /* 2204 * Sliced VBI data inserted into MPEG Streams 2205 */ 2206 2207 /* 2208 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 2209 * 2210 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 2211 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 2212 * data 2213 * 2214 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 2215 * definitions are not included here. See the MPEG-2 specifications for details 2216 * on these headers. 2217 */ 2218 2219 /* Line type IDs */ 2220 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 2221 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 2222 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 2223 #define V4L2_MPEG_VBI_IVTV_VPS (7) 2224 2225 struct v4l2_mpeg_vbi_itv0_line { 2226 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 2227 __u8 data[42]; /* Sliced VBI data for the line */ 2228 } __attribute__ ((packed)); 2229 2230 struct v4l2_mpeg_vbi_itv0 { 2231 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 2232 struct v4l2_mpeg_vbi_itv0_line line[35]; 2233 } __attribute__ ((packed)); 2234 2235 struct v4l2_mpeg_vbi_ITV0 { 2236 struct v4l2_mpeg_vbi_itv0_line line[36]; 2237 } __attribute__ ((packed)); 2238 2239 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 2240 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 2241 2242 struct v4l2_mpeg_vbi_fmt_ivtv { 2243 __u8 magic[4]; 2244 union { 2245 struct v4l2_mpeg_vbi_itv0 itv0; 2246 struct v4l2_mpeg_vbi_ITV0 ITV0; 2247 }; 2248 } __attribute__ ((packed)); 2249 2250 /* 2251 * A G G R E G A T E S T R U C T U R E S 2252 */ 2253 2254 /** 2255 * struct v4l2_plane_pix_format - additional, per-plane format definition 2256 * @sizeimage: maximum size in bytes required for data, for which 2257 * this plane will be used 2258 * @bytesperline: distance in bytes between the leftmost pixels in two 2259 * adjacent lines 2260 * @reserved: drivers and applications must zero this array 2261 */ 2262 struct v4l2_plane_pix_format { 2263 __u32 sizeimage; 2264 __u32 bytesperline; 2265 __u16 reserved[6]; 2266 } __attribute__ ((packed)); 2267 2268 /** 2269 * struct v4l2_pix_format_mplane - multiplanar format definition 2270 * @width: image width in pixels 2271 * @height: image height in pixels 2272 * @pixelformat: little endian four character code (fourcc) 2273 * @field: enum v4l2_field; field order (for interlaced video) 2274 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 2275 * @plane_fmt: per-plane information 2276 * @num_planes: number of planes for this format 2277 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 2278 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding 2279 * @hsv_enc: enum v4l2_hsv_encoding, HSV encoding 2280 * @quantization: enum v4l2_quantization, colorspace quantization 2281 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function 2282 * @reserved: drivers and applications must zero this array 2283 */ 2284 struct v4l2_pix_format_mplane { 2285 __u32 width; 2286 __u32 height; 2287 __u32 pixelformat; 2288 __u32 field; 2289 __u32 colorspace; 2290 2291 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 2292 __u8 num_planes; 2293 __u8 flags; 2294 union { 2295 __u8 ycbcr_enc; 2296 __u8 hsv_enc; 2297 }; 2298 __u8 quantization; 2299 __u8 xfer_func; 2300 __u8 reserved[7]; 2301 } __attribute__ ((packed)); 2302 2303 /** 2304 * struct v4l2_sdr_format - SDR format definition 2305 * @pixelformat: little endian four character code (fourcc) 2306 * @buffersize: maximum size in bytes required for data 2307 * @reserved: drivers and applications must zero this array 2308 */ 2309 struct v4l2_sdr_format { 2310 __u32 pixelformat; 2311 __u32 buffersize; 2312 __u8 reserved[24]; 2313 } __attribute__ ((packed)); 2314 2315 /** 2316 * struct v4l2_meta_format - metadata format definition 2317 * @dataformat: little endian four character code (fourcc) 2318 * @buffersize: maximum size in bytes required for data 2319 */ 2320 struct v4l2_meta_format { 2321 __u32 dataformat; 2322 __u32 buffersize; 2323 } __attribute__ ((packed)); 2324 2325 /** 2326 * struct v4l2_format - stream data format 2327 * @type: enum v4l2_buf_type; type of the data stream 2328 * @pix: definition of an image format 2329 * @pix_mp: definition of a multiplanar image format 2330 * @win: definition of an overlaid image 2331 * @vbi: raw VBI capture or output parameters 2332 * @sliced: sliced VBI capture or output parameters 2333 * @raw_data: placeholder for future extensions and custom formats 2334 * @fmt: union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr, @meta 2335 * and @raw_data 2336 */ 2337 struct v4l2_format { 2338 __u32 type; 2339 union { 2340 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 2341 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 2342 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 2343 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 2344 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 2345 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 2346 struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */ 2347 __u8 raw_data[200]; /* user-defined */ 2348 } fmt; 2349 }; 2350 2351 /* Stream type-dependent parameters 2352 */ 2353 struct v4l2_streamparm { 2354 __u32 type; /* enum v4l2_buf_type */ 2355 union { 2356 struct v4l2_captureparm capture; 2357 struct v4l2_outputparm output; 2358 __u8 raw_data[200]; /* user-defined */ 2359 } parm; 2360 }; 2361 2362 /* 2363 * E V E N T S 2364 */ 2365 2366 #define V4L2_EVENT_ALL 0 2367 #define V4L2_EVENT_VSYNC 1 2368 #define V4L2_EVENT_EOS 2 2369 #define V4L2_EVENT_CTRL 3 2370 #define V4L2_EVENT_FRAME_SYNC 4 2371 #define V4L2_EVENT_SOURCE_CHANGE 5 2372 #define V4L2_EVENT_MOTION_DET 6 2373 #define V4L2_EVENT_PRIVATE_START 0x08000000 2374 2375 /* Payload for V4L2_EVENT_VSYNC */ 2376 struct v4l2_event_vsync { 2377 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 2378 __u8 field; 2379 } __attribute__ ((packed)); 2380 2381 /* Payload for V4L2_EVENT_CTRL */ 2382 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 2383 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 2384 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 2385 2386 struct v4l2_event_ctrl { 2387 __u32 changes; 2388 __u32 type; 2389 union { 2390 __s32 value; 2391 __s64 value64; 2392 }; 2393 __u32 flags; 2394 __s32 minimum; 2395 __s32 maximum; 2396 __s32 step; 2397 __s32 default_value; 2398 }; 2399 2400 struct v4l2_event_frame_sync { 2401 __u32 frame_sequence; 2402 }; 2403 2404 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 2405 2406 struct v4l2_event_src_change { 2407 __u32 changes; 2408 }; 2409 2410 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 2411 2412 /** 2413 * struct v4l2_event_motion_det - motion detection event 2414 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 2415 * frame_sequence field is valid. 2416 * @frame_sequence: the frame sequence number associated with this event. 2417 * @region_mask: which regions detected motion. 2418 */ 2419 struct v4l2_event_motion_det { 2420 __u32 flags; 2421 __u32 frame_sequence; 2422 __u32 region_mask; 2423 }; 2424 2425 struct v4l2_event { 2426 __u32 type; 2427 union { 2428 struct v4l2_event_vsync vsync; 2429 struct v4l2_event_ctrl ctrl; 2430 struct v4l2_event_frame_sync frame_sync; 2431 struct v4l2_event_src_change src_change; 2432 struct v4l2_event_motion_det motion_det; 2433 __u8 data[64]; 2434 } u; 2435 __u32 pending; 2436 __u32 sequence; 2437 #ifdef __KERNEL__ 2438 struct __kernel_timespec timestamp; 2439 #else 2440 struct timespec timestamp; 2441 #endif 2442 __u32 id; 2443 __u32 reserved[8]; 2444 }; 2445 2446 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2447 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2448 2449 struct v4l2_event_subscription { 2450 __u32 type; 2451 __u32 id; 2452 __u32 flags; 2453 __u32 reserved[5]; 2454 }; 2455 2456 /* 2457 * A D V A N C E D D E B U G G I N G 2458 * 2459 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2460 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2461 */ 2462 2463 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2464 2465 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2466 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2467 2468 /* The following four defines are no longer in use */ 2469 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2470 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2471 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2472 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2473 2474 struct v4l2_dbg_match { 2475 __u32 type; /* Match type */ 2476 union { /* Match this chip, meaning determined by type */ 2477 __u32 addr; 2478 char name[32]; 2479 }; 2480 } __attribute__ ((packed)); 2481 2482 struct v4l2_dbg_register { 2483 struct v4l2_dbg_match match; 2484 __u32 size; /* register size in bytes */ 2485 __u64 reg; 2486 __u64 val; 2487 } __attribute__ ((packed)); 2488 2489 #define V4L2_CHIP_FL_READABLE (1 << 0) 2490 #define V4L2_CHIP_FL_WRITABLE (1 << 1) 2491 2492 /* VIDIOC_DBG_G_CHIP_INFO */ 2493 struct v4l2_dbg_chip_info { 2494 struct v4l2_dbg_match match; 2495 char name[32]; 2496 __u32 flags; 2497 __u32 reserved[32]; 2498 } __attribute__ ((packed)); 2499 2500 /** 2501 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2502 * @index: on return, index of the first created buffer 2503 * @count: entry: number of requested buffers, 2504 * return: number of created buffers 2505 * @memory: enum v4l2_memory; buffer memory type 2506 * @format: frame format, for which buffers are requested 2507 * @capabilities: capabilities of this buffer type. 2508 * @reserved: future extensions 2509 */ 2510 struct v4l2_create_buffers { 2511 __u32 index; 2512 __u32 count; 2513 __u32 memory; 2514 struct v4l2_format format; 2515 __u32 capabilities; 2516 __u32 reserved[7]; 2517 }; 2518 2519 /* 2520 * 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 2521 * 2522 */ 2523 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2524 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2525 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2526 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2527 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2528 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2529 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2530 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2531 #define VIDIOC_OVERLAY _IOW('V', 14, int) 2532 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2533 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2534 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2535 #define VIDIOC_STREAMON _IOW('V', 18, int) 2536 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 2537 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2538 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2539 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2540 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2541 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2542 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2543 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2544 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2545 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2546 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2547 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2548 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2549 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2550 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2551 #define VIDIOC_G_INPUT _IOR('V', 38, int) 2552 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 2553 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2554 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2555 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2556 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2557 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2558 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2559 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2560 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2561 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2562 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2563 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2564 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2565 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2566 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2567 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2568 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2569 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2570 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2571 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2572 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2573 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2574 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2575 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2576 #define VIDIOC_LOG_STATUS _IO('V', 70) 2577 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2578 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2579 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2580 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2581 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2582 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2583 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2584 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2585 2586 /* 2587 * Experimental, meant for debugging, testing and internal use. 2588 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2589 * You must be root to use these ioctls. Never use these in applications! 2590 */ 2591 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2592 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2593 2594 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2595 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2596 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2597 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2598 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2599 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2600 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2601 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2602 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2603 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2604 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2605 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2606 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2607 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2608 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2609 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2610 2611 /* 2612 * Experimental, meant for debugging, testing and internal use. 2613 * Never use this in applications! 2614 */ 2615 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2616 2617 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2618 2619 /* Reminder: when adding new ioctls please add support for them to 2620 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */ 2621 2622 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2623 2624 /* Deprecated definitions kept for backwards compatibility */ 2625 #ifndef __KERNEL__ 2626 #define V4L2_PIX_FMT_HM12 V4L2_PIX_FMT_NV12_16L16 2627 #define V4L2_PIX_FMT_SUNXI_TILED_NV12 V4L2_PIX_FMT_NV12_32L32 2628 #endif 2629 2630 #endif /* _UAPI__LINUX_VIDEODEV2_H */ 2631