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. This only makes sense when 225 * dealing with really old PAL/SECAM recordings. Superseded by 226 * SMPTE 170M. 227 */ 228 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 229 230 /* 231 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601 232 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG. 233 */ 234 V4L2_COLORSPACE_JPEG = 7, 235 236 /* For RGB colorspaces such as produces by most webcams. */ 237 V4L2_COLORSPACE_SRGB = 8, 238 239 /* opRGB colorspace */ 240 V4L2_COLORSPACE_OPRGB = 9, 241 242 /* BT.2020 colorspace, used for UHDTV. */ 243 V4L2_COLORSPACE_BT2020 = 10, 244 245 /* Raw colorspace: for RAW unprocessed images */ 246 V4L2_COLORSPACE_RAW = 11, 247 248 /* DCI-P3 colorspace, used by cinema projectors */ 249 V4L2_COLORSPACE_DCI_P3 = 12, 250 }; 251 252 /* 253 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace. 254 * This depends on whether this is a SDTV image (use SMPTE 170M), an 255 * HDTV image (use Rec. 709), or something else (use sRGB). 256 */ 257 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \ 258 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \ 259 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB)) 260 261 enum v4l2_xfer_func { 262 /* 263 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions 264 * for the various colorspaces: 265 * 266 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 267 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and 268 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709 269 * 270 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB 271 * 272 * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB 273 * 274 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M 275 * 276 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE 277 * 278 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3 279 */ 280 V4L2_XFER_FUNC_DEFAULT = 0, 281 V4L2_XFER_FUNC_709 = 1, 282 V4L2_XFER_FUNC_SRGB = 2, 283 V4L2_XFER_FUNC_OPRGB = 3, 284 V4L2_XFER_FUNC_SMPTE240M = 4, 285 V4L2_XFER_FUNC_NONE = 5, 286 V4L2_XFER_FUNC_DCI_P3 = 6, 287 V4L2_XFER_FUNC_SMPTE2084 = 7, 288 }; 289 290 /* 291 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function. 292 * This depends on the colorspace. 293 */ 294 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \ 295 ((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \ 296 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \ 297 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \ 298 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \ 299 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \ 300 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709))))) 301 302 enum v4l2_ycbcr_encoding { 303 /* 304 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the 305 * various colorspaces: 306 * 307 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 308 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB, 309 * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601 310 * 311 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709 312 * 313 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020 314 * 315 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M 316 */ 317 V4L2_YCBCR_ENC_DEFAULT = 0, 318 319 /* ITU-R 601 -- SDTV */ 320 V4L2_YCBCR_ENC_601 = 1, 321 322 /* Rec. 709 -- HDTV */ 323 V4L2_YCBCR_ENC_709 = 2, 324 325 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */ 326 V4L2_YCBCR_ENC_XV601 = 3, 327 328 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */ 329 V4L2_YCBCR_ENC_XV709 = 4, 330 331 #ifndef __KERNEL__ 332 /* 333 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added 334 * originally due to a misunderstanding of the sYCC standard. It should 335 * not be used, instead use V4L2_YCBCR_ENC_601. 336 */ 337 V4L2_YCBCR_ENC_SYCC = 5, 338 #endif 339 340 /* BT.2020 Non-constant Luminance Y'CbCr */ 341 V4L2_YCBCR_ENC_BT2020 = 6, 342 343 /* BT.2020 Constant Luminance Y'CbcCrc */ 344 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7, 345 346 /* SMPTE 240M -- Obsolete HDTV */ 347 V4L2_YCBCR_ENC_SMPTE240M = 8, 348 }; 349 350 /* 351 * enum v4l2_hsv_encoding values should not collide with the ones from 352 * enum v4l2_ycbcr_encoding. 353 */ 354 enum v4l2_hsv_encoding { 355 356 /* Hue mapped to 0 - 179 */ 357 V4L2_HSV_ENC_180 = 128, 358 359 /* Hue mapped to 0-255 */ 360 V4L2_HSV_ENC_256 = 129, 361 }; 362 363 /* 364 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding. 365 * This depends on the colorspace. 366 */ 367 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \ 368 (((colsp) == V4L2_COLORSPACE_REC709 || \ 369 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \ 370 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \ 371 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \ 372 V4L2_YCBCR_ENC_601))) 373 374 enum v4l2_quantization { 375 /* 376 * The default for R'G'B' quantization is always full range, except 377 * for the BT2020 colorspace. For Y'CbCr the quantization is always 378 * limited range, except for COLORSPACE_JPEG: this is full range. 379 */ 380 V4L2_QUANTIZATION_DEFAULT = 0, 381 V4L2_QUANTIZATION_FULL_RANGE = 1, 382 V4L2_QUANTIZATION_LIM_RANGE = 2, 383 }; 384 385 /* 386 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization. 387 * This depends on whether the image is RGB or not, the colorspace and the 388 * Y'CbCr encoding. 389 */ 390 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \ 391 (((is_rgb_or_hsv) && (colsp) == V4L2_COLORSPACE_BT2020) ? \ 392 V4L2_QUANTIZATION_LIM_RANGE : \ 393 (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \ 394 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE)) 395 396 /* 397 * Deprecated names for opRGB colorspace (IEC 61966-2-5) 398 * 399 * WARNING: Please don't use these deprecated defines in your code, as 400 * there is a chance we have to remove them in the future. 401 */ 402 #ifndef __KERNEL__ 403 #define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB 404 #define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB 405 #endif 406 407 enum v4l2_priority { 408 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 409 V4L2_PRIORITY_BACKGROUND = 1, 410 V4L2_PRIORITY_INTERACTIVE = 2, 411 V4L2_PRIORITY_RECORD = 3, 412 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 413 }; 414 415 struct v4l2_rect { 416 __s32 left; 417 __s32 top; 418 __u32 width; 419 __u32 height; 420 }; 421 422 struct v4l2_fract { 423 __u32 numerator; 424 __u32 denominator; 425 }; 426 427 struct v4l2_area { 428 __u32 width; 429 __u32 height; 430 }; 431 432 /** 433 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 434 * 435 * @driver: name of the driver module (e.g. "bttv") 436 * @card: name of the card (e.g. "Hauppauge WinTV") 437 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 438 * @version: KERNEL_VERSION 439 * @capabilities: capabilities of the physical device as a whole 440 * @device_caps: capabilities accessed via this particular device (node) 441 * @reserved: reserved fields for future extensions 442 */ 443 struct v4l2_capability { 444 __u8 driver[16]; 445 __u8 card[32]; 446 __u8 bus_info[32]; 447 __u32 version; 448 __u32 capabilities; 449 __u32 device_caps; 450 __u32 reserved[3]; 451 }; 452 453 /* Values for 'capabilities' field */ 454 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 455 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 456 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 457 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 458 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 459 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 460 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 461 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 462 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 463 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 464 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 465 466 /* Is a video capture device that supports multiplanar formats */ 467 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 468 /* Is a video output device that supports multiplanar formats */ 469 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 470 /* Is a video mem-to-mem device that supports multiplanar formats */ 471 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 472 /* Is a video mem-to-mem device */ 473 #define V4L2_CAP_VIDEO_M2M 0x00008000 474 475 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 476 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 477 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 478 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 479 480 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */ 481 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */ 482 #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */ 483 #define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */ 484 485 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 486 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 487 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 488 #define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */ 489 490 #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */ 491 492 #define V4L2_CAP_IO_MC 0x20000000 /* Is input/output controlled by the media controller */ 493 494 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 495 496 /* 497 * V I D E O I M A G E F O R M A T 498 */ 499 struct v4l2_pix_format { 500 __u32 width; 501 __u32 height; 502 __u32 pixelformat; 503 __u32 field; /* enum v4l2_field */ 504 __u32 bytesperline; /* for padding, zero if unused */ 505 __u32 sizeimage; 506 __u32 colorspace; /* enum v4l2_colorspace */ 507 __u32 priv; /* private data, depends on pixelformat */ 508 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ 509 union { 510 /* enum v4l2_ycbcr_encoding */ 511 __u32 ycbcr_enc; 512 /* enum v4l2_hsv_encoding */ 513 __u32 hsv_enc; 514 }; 515 __u32 quantization; /* enum v4l2_quantization */ 516 __u32 xfer_func; /* enum v4l2_xfer_func */ 517 }; 518 519 /* Pixel format FOURCC depth Description */ 520 521 /* RGB formats */ 522 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 523 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 524 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */ 525 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */ 526 #define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2') /* 16 rrrrgggg bbbbaaaa */ 527 #define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16 rrrrgggg bbbbxxxx */ 528 #define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16 aaaabbbb ggggrrrr */ 529 #define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16 xxxxbbbb ggggrrrr */ 530 531 /* 532 * Originally this had 'BA12' as fourcc, but this clashed with the older 533 * V4L2_PIX_FMT_SGRBG12 which inexplicably used that same fourcc. 534 * So use 'GA12' instead for V4L2_PIX_FMT_BGRA444. 535 */ 536 #define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('G', 'A', '1', '2') /* 16 bbbbgggg rrrraaaa */ 537 #define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16 bbbbgggg rrrrxxxx */ 538 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 539 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */ 540 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */ 541 #define V4L2_PIX_FMT_RGBA555 v4l2_fourcc('R', 'A', '1', '5') /* 16 RGBA-5-5-5-1 */ 542 #define V4L2_PIX_FMT_RGBX555 v4l2_fourcc('R', 'X', '1', '5') /* 16 RGBX-5-5-5-1 */ 543 #define V4L2_PIX_FMT_ABGR555 v4l2_fourcc('A', 'B', '1', '5') /* 16 ABGR-1-5-5-5 */ 544 #define V4L2_PIX_FMT_XBGR555 v4l2_fourcc('X', 'B', '1', '5') /* 16 XBGR-1-5-5-5 */ 545 #define V4L2_PIX_FMT_BGRA555 v4l2_fourcc('B', 'A', '1', '5') /* 16 BGRA-5-5-5-1 */ 546 #define V4L2_PIX_FMT_BGRX555 v4l2_fourcc('B', 'X', '1', '5') /* 16 BGRX-5-5-5-1 */ 547 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 548 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 549 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */ 550 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */ 551 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 552 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 553 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 554 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 555 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 556 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */ 557 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */ 558 #define V4L2_PIX_FMT_BGRA32 v4l2_fourcc('R', 'A', '2', '4') /* 32 ABGR-8-8-8-8 */ 559 #define V4L2_PIX_FMT_BGRX32 v4l2_fourcc('R', 'X', '2', '4') /* 32 XBGR-8-8-8-8 */ 560 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 561 #define V4L2_PIX_FMT_RGBA32 v4l2_fourcc('A', 'B', '2', '4') /* 32 RGBA-8-8-8-8 */ 562 #define V4L2_PIX_FMT_RGBX32 v4l2_fourcc('X', 'B', '2', '4') /* 32 RGBX-8-8-8-8 */ 563 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */ 564 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */ 565 566 /* Grey formats */ 567 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 568 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 569 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 570 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 571 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 572 #define V4L2_PIX_FMT_Y14 v4l2_fourcc('Y', '1', '4', ' ') /* 14 Greyscale */ 573 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 574 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */ 575 576 /* Grey bit-packed formats */ 577 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 578 #define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */ 579 580 /* Palette formats */ 581 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 582 583 /* Chrominance formats */ 584 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 585 586 /* Luminance+Chrominance formats */ 587 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 588 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 589 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 590 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 591 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 592 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 593 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 594 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 595 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 596 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 597 #define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */ 598 #define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */ 599 #define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */ 600 #define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */ 601 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */ 602 #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */ 603 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 604 605 /* two planes -- one Y, one Cr + Cb interleaved */ 606 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 607 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 608 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 609 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 610 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 611 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 612 613 /* two non contiguous planes - one Y, one Cr + Cb interleaved */ 614 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 615 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 616 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ 617 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ 618 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */ 619 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */ 620 621 /* three planes - Y Cb, Cr */ 622 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 623 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 624 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */ 625 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 626 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 627 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 628 629 /* three non contiguous planes - Y, Cb, Cr */ 630 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 631 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 632 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */ 633 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */ 634 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */ 635 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */ 636 637 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 638 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 639 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 640 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 641 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 642 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 643 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 644 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 645 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 646 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ 647 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') 648 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') 649 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') 650 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') 651 /* 10bit raw bayer a-law compressed to 8 bits */ 652 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 653 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 654 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 655 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 656 /* 10bit raw bayer DPCM compressed to 8 bits */ 657 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 658 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 659 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 660 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 661 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 662 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 663 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 664 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 665 /* 12bit raw bayer packed, 6 bytes for every 4 pixels */ 666 #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C') 667 #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C') 668 #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C') 669 #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C') 670 #define V4L2_PIX_FMT_SBGGR14 v4l2_fourcc('B', 'G', '1', '4') /* 14 BGBG.. GRGR.. */ 671 #define V4L2_PIX_FMT_SGBRG14 v4l2_fourcc('G', 'B', '1', '4') /* 14 GBGB.. RGRG.. */ 672 #define V4L2_PIX_FMT_SGRBG14 v4l2_fourcc('G', 'R', '1', '4') /* 14 GRGR.. BGBG.. */ 673 #define V4L2_PIX_FMT_SRGGB14 v4l2_fourcc('R', 'G', '1', '4') /* 14 RGRG.. GBGB.. */ 674 /* 14bit raw bayer packed, 7 bytes for every 4 pixels */ 675 #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E') 676 #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E') 677 #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E') 678 #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E') 679 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 680 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */ 681 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */ 682 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */ 683 684 /* HSV formats */ 685 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3') 686 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4') 687 688 /* compressed formats */ 689 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 690 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 691 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 692 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 693 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 694 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 695 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 696 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 697 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 698 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 699 #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */ 700 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 701 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 702 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 703 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 704 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 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) */ 709 710 /* Vendor-specific formats */ 711 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 712 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 713 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 714 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 715 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 716 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 717 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 718 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 719 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 720 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 721 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 722 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 723 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 724 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 725 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 726 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 727 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 728 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 729 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 730 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 731 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 732 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 733 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 734 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 735 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 736 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 737 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */ 738 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */ 739 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */ 740 #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */ 741 #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */ 742 #define V4L2_PIX_FMT_SUNXI_TILED_NV12 v4l2_fourcc('S', 'T', '1', '2') /* Sunxi Tiled NV12 Format */ 743 #define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */ 744 745 /* 10bit raw bayer packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */ 746 #define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */ 747 #define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */ 748 #define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */ 749 #define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */ 750 751 /* SDR formats - used only for Software Defined Radio devices */ 752 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 753 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 754 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 755 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 756 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 757 #define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */ 758 #define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */ 759 #define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */ 760 761 /* Touch formats - used for Touch devices */ 762 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */ 763 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */ 764 #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */ 765 #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */ 766 767 /* Meta-data formats */ 768 #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */ 769 #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */ 770 #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */ 771 #define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */ 772 #define V4L2_META_FMT_VIVID v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */ 773 774 /* priv field value to indicates that subsequent fields are valid. */ 775 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 776 777 /* Flags */ 778 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 779 780 /* 781 * F O R M A T E N U M E R A T I O N 782 */ 783 struct v4l2_fmtdesc { 784 __u32 index; /* Format number */ 785 __u32 type; /* enum v4l2_buf_type */ 786 __u32 flags; 787 __u8 description[32]; /* Description string */ 788 __u32 pixelformat; /* Format fourcc */ 789 __u32 mbus_code; /* Media bus code */ 790 __u32 reserved[3]; 791 }; 792 793 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 794 #define V4L2_FMT_FLAG_EMULATED 0x0002 795 #define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM 0x0004 796 #define V4L2_FMT_FLAG_DYN_RESOLUTION 0x0008 797 #define V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL 0x0010 798 799 /* Frame Size and frame rate enumeration */ 800 /* 801 * F R A M E S I Z E E N U M E R A T I O N 802 */ 803 enum v4l2_frmsizetypes { 804 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 805 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 806 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 807 }; 808 809 struct v4l2_frmsize_discrete { 810 __u32 width; /* Frame width [pixel] */ 811 __u32 height; /* Frame height [pixel] */ 812 }; 813 814 struct v4l2_frmsize_stepwise { 815 __u32 min_width; /* Minimum frame width [pixel] */ 816 __u32 max_width; /* Maximum frame width [pixel] */ 817 __u32 step_width; /* Frame width step size [pixel] */ 818 __u32 min_height; /* Minimum frame height [pixel] */ 819 __u32 max_height; /* Maximum frame height [pixel] */ 820 __u32 step_height; /* Frame height step size [pixel] */ 821 }; 822 823 struct v4l2_frmsizeenum { 824 __u32 index; /* Frame size number */ 825 __u32 pixel_format; /* Pixel format */ 826 __u32 type; /* Frame size type the device supports. */ 827 828 union { /* Frame size */ 829 struct v4l2_frmsize_discrete discrete; 830 struct v4l2_frmsize_stepwise stepwise; 831 }; 832 833 __u32 reserved[2]; /* Reserved space for future use */ 834 }; 835 836 /* 837 * F R A M E R A T E E N U M E R A T I O N 838 */ 839 enum v4l2_frmivaltypes { 840 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 841 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 842 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 843 }; 844 845 struct v4l2_frmival_stepwise { 846 struct v4l2_fract min; /* Minimum frame interval [s] */ 847 struct v4l2_fract max; /* Maximum frame interval [s] */ 848 struct v4l2_fract step; /* Frame interval step size [s] */ 849 }; 850 851 struct v4l2_frmivalenum { 852 __u32 index; /* Frame format index */ 853 __u32 pixel_format; /* Pixel format */ 854 __u32 width; /* Frame width */ 855 __u32 height; /* Frame height */ 856 __u32 type; /* Frame interval type the device supports. */ 857 858 union { /* Frame interval */ 859 struct v4l2_fract discrete; 860 struct v4l2_frmival_stepwise stepwise; 861 }; 862 863 __u32 reserved[2]; /* Reserved space for future use */ 864 }; 865 866 /* 867 * T I M E C O D E 868 */ 869 struct v4l2_timecode { 870 __u32 type; 871 __u32 flags; 872 __u8 frames; 873 __u8 seconds; 874 __u8 minutes; 875 __u8 hours; 876 __u8 userbits[4]; 877 }; 878 879 /* Type */ 880 #define V4L2_TC_TYPE_24FPS 1 881 #define V4L2_TC_TYPE_25FPS 2 882 #define V4L2_TC_TYPE_30FPS 3 883 #define V4L2_TC_TYPE_50FPS 4 884 #define V4L2_TC_TYPE_60FPS 5 885 886 /* Flags */ 887 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 888 #define V4L2_TC_FLAG_COLORFRAME 0x0002 889 #define V4L2_TC_USERBITS_field 0x000C 890 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 891 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 892 /* The above is based on SMPTE timecodes */ 893 894 struct v4l2_jpegcompression { 895 int quality; 896 897 int APPn; /* Number of APP segment to be written, 898 * must be 0..15 */ 899 int APP_len; /* Length of data in JPEG APPn segment */ 900 char APP_data[60]; /* Data in the JPEG APPn segment. */ 901 902 int COM_len; /* Length of data in JPEG COM segment */ 903 char COM_data[60]; /* Data in JPEG COM segment */ 904 905 __u32 jpeg_markers; /* Which markers should go into the JPEG 906 * output. Unless you exactly know what 907 * you do, leave them untouched. 908 * Including less markers will make the 909 * resulting code smaller, but there will 910 * be fewer applications which can read it. 911 * The presence of the APP and COM marker 912 * is influenced by APP_len and COM_len 913 * ONLY, not by this property! */ 914 915 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 916 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 917 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 918 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 919 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 920 * always use APP0 */ 921 }; 922 923 /* 924 * M E M O R Y - M A P P I N G B U F F E R S 925 */ 926 927 #ifdef __KERNEL__ 928 /* 929 * This corresponds to the user space version of timeval 930 * for 64-bit time_t. sparc64 is different from everyone 931 * else, using the microseconds in the wrong half of the 932 * second 64-bit word. 933 */ 934 struct __kernel_v4l2_timeval { 935 long long tv_sec; 936 #if defined(__sparc__) && defined(__arch64__) 937 int tv_usec; 938 int __pad; 939 #else 940 long long tv_usec; 941 #endif 942 }; 943 #endif 944 945 struct v4l2_requestbuffers { 946 __u32 count; 947 __u32 type; /* enum v4l2_buf_type */ 948 __u32 memory; /* enum v4l2_memory */ 949 __u32 capabilities; 950 __u32 reserved[1]; 951 }; 952 953 /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */ 954 #define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0) 955 #define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1) 956 #define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2) 957 #define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3) 958 #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4) 959 #define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5) 960 #define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS (1 << 6) 961 962 /** 963 * struct v4l2_plane - plane info for multi-planar buffers 964 * @bytesused: number of bytes occupied by data in the plane (payload) 965 * @length: size of this plane (NOT the payload) in bytes 966 * @mem_offset: when memory in the associated struct v4l2_buffer is 967 * V4L2_MEMORY_MMAP, equals the offset from the start of 968 * the device memory for this plane (or is a "cookie" that 969 * should be passed to mmap() called on the video node) 970 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 971 * pointing to this plane 972 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 973 * descriptor associated with this plane 974 * @data_offset: offset in the plane to the start of data; usually 0, 975 * unless there is a header in front of the data 976 * 977 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 978 * with two planes can have one plane for Y, and another for interleaved CbCr 979 * components. Each plane can reside in a separate memory buffer, or even in 980 * a completely separate memory node (e.g. in embedded devices). 981 */ 982 struct v4l2_plane { 983 __u32 bytesused; 984 __u32 length; 985 union { 986 __u32 mem_offset; 987 unsigned long userptr; 988 __s32 fd; 989 } m; 990 __u32 data_offset; 991 __u32 reserved[11]; 992 }; 993 994 /** 995 * struct v4l2_buffer - video buffer info 996 * @index: id number of the buffer 997 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 998 * multiplanar buffers); 999 * @bytesused: number of bytes occupied by data in the buffer (payload); 1000 * unused (set to 0) for multiplanar buffers 1001 * @flags: buffer informational flags 1002 * @field: enum v4l2_field; field order of the image in the buffer 1003 * @timestamp: frame timestamp 1004 * @timecode: frame timecode 1005 * @sequence: sequence count of this frame 1006 * @memory: enum v4l2_memory; the method, in which the actual video data is 1007 * passed 1008 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 1009 * offset from the start of the device memory for this plane, 1010 * (or a "cookie" that should be passed to mmap() as offset) 1011 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 1012 * a userspace pointer pointing to this buffer 1013 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 1014 * a userspace file descriptor associated with this buffer 1015 * @planes: for multiplanar buffers; userspace pointer to the array of plane 1016 * info structs for this buffer 1017 * @length: size in bytes of the buffer (NOT its payload) for single-plane 1018 * buffers (when type != *_MPLANE); number of elements in the 1019 * planes array for multi-plane buffers 1020 * @request_fd: fd of the request that this buffer should use 1021 * 1022 * Contains data exchanged by application and driver using one of the Streaming 1023 * I/O methods. 1024 */ 1025 struct v4l2_buffer { 1026 __u32 index; 1027 __u32 type; 1028 __u32 bytesused; 1029 __u32 flags; 1030 __u32 field; 1031 #ifdef __KERNEL__ 1032 struct __kernel_v4l2_timeval timestamp; 1033 #else 1034 struct timeval timestamp; 1035 #endif 1036 struct v4l2_timecode timecode; 1037 __u32 sequence; 1038 1039 /* memory location */ 1040 __u32 memory; 1041 union { 1042 __u32 offset; 1043 unsigned long userptr; 1044 struct v4l2_plane *planes; 1045 __s32 fd; 1046 } m; 1047 __u32 length; 1048 __u32 reserved2; 1049 union { 1050 __s32 request_fd; 1051 __u32 reserved; 1052 }; 1053 }; 1054 1055 #ifndef __KERNEL__ 1056 /** 1057 * v4l2_timeval_to_ns - Convert timeval to nanoseconds 1058 * @ts: pointer to the timeval variable to be converted 1059 * 1060 * Returns the scalar nanosecond representation of the timeval 1061 * parameter. 1062 */ 1063 static inline __u64 v4l2_timeval_to_ns(const struct timeval *tv) 1064 { 1065 return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000; 1066 } 1067 #endif 1068 1069 /* Flags for 'flags' field */ 1070 /* Buffer is mapped (flag) */ 1071 #define V4L2_BUF_FLAG_MAPPED 0x00000001 1072 /* Buffer is queued for processing */ 1073 #define V4L2_BUF_FLAG_QUEUED 0x00000002 1074 /* Buffer is ready */ 1075 #define V4L2_BUF_FLAG_DONE 0x00000004 1076 /* Image is a keyframe (I-frame) */ 1077 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008 1078 /* Image is a P-frame */ 1079 #define V4L2_BUF_FLAG_PFRAME 0x00000010 1080 /* Image is a B-frame */ 1081 #define V4L2_BUF_FLAG_BFRAME 0x00000020 1082 /* Buffer is ready, but the data contained within is corrupted. */ 1083 #define V4L2_BUF_FLAG_ERROR 0x00000040 1084 /* Buffer is added to an unqueued request */ 1085 #define V4L2_BUF_FLAG_IN_REQUEST 0x00000080 1086 /* timecode field is valid */ 1087 #define V4L2_BUF_FLAG_TIMECODE 0x00000100 1088 /* Don't return the capture buffer until OUTPUT timestamp changes */ 1089 #define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF 0x00000200 1090 /* Buffer is prepared for queuing */ 1091 #define V4L2_BUF_FLAG_PREPARED 0x00000400 1092 /* Cache handling flags */ 1093 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 1094 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 1095 /* Timestamp type */ 1096 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 1097 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 1098 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 1099 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 1100 /* Timestamp sources. */ 1101 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 1102 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 1103 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 1104 /* mem2mem encoder/decoder */ 1105 #define V4L2_BUF_FLAG_LAST 0x00100000 1106 /* request_fd is valid */ 1107 #define V4L2_BUF_FLAG_REQUEST_FD 0x00800000 1108 1109 /** 1110 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 1111 * 1112 * @index: id number of the buffer 1113 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 1114 * multiplanar buffers); 1115 * @plane: index of the plane to be exported, 0 for single plane queues 1116 * @flags: flags for newly created file, currently only O_CLOEXEC is 1117 * supported, refer to manual of open syscall for more details 1118 * @fd: file descriptor associated with DMABUF (set by driver) 1119 * 1120 * Contains data used for exporting a video buffer as DMABUF file descriptor. 1121 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 1122 * (identical to the cookie used to mmap() the buffer to userspace). All 1123 * reserved fields must be set to zero. The field reserved0 is expected to 1124 * become a structure 'type' allowing an alternative layout of the structure 1125 * content. Therefore this field should not be used for any other extensions. 1126 */ 1127 struct v4l2_exportbuffer { 1128 __u32 type; /* enum v4l2_buf_type */ 1129 __u32 index; 1130 __u32 plane; 1131 __u32 flags; 1132 __s32 fd; 1133 __u32 reserved[11]; 1134 }; 1135 1136 /* 1137 * O V E R L A Y P R E V I E W 1138 */ 1139 struct v4l2_framebuffer { 1140 __u32 capability; 1141 __u32 flags; 1142 /* FIXME: in theory we should pass something like PCI device + memory 1143 * region + offset instead of some physical address */ 1144 void *base; 1145 struct { 1146 __u32 width; 1147 __u32 height; 1148 __u32 pixelformat; 1149 __u32 field; /* enum v4l2_field */ 1150 __u32 bytesperline; /* for padding, zero if unused */ 1151 __u32 sizeimage; 1152 __u32 colorspace; /* enum v4l2_colorspace */ 1153 __u32 priv; /* reserved field, set to 0 */ 1154 } fmt; 1155 }; 1156 /* Flags for the 'capability' field. Read only */ 1157 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 1158 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 1159 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 1160 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 1161 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 1162 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 1163 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 1164 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 1165 /* Flags for the 'flags' field. */ 1166 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 1167 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 1168 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 1169 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 1170 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 1171 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 1172 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 1173 1174 struct v4l2_clip { 1175 struct v4l2_rect c; 1176 struct v4l2_clip __user *next; 1177 }; 1178 1179 struct v4l2_window { 1180 struct v4l2_rect w; 1181 __u32 field; /* enum v4l2_field */ 1182 __u32 chromakey; 1183 struct v4l2_clip __user *clips; 1184 __u32 clipcount; 1185 void __user *bitmap; 1186 __u8 global_alpha; 1187 }; 1188 1189 /* 1190 * C A P T U R E P A R A M E T E R S 1191 */ 1192 struct v4l2_captureparm { 1193 __u32 capability; /* Supported modes */ 1194 __u32 capturemode; /* Current mode */ 1195 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1196 __u32 extendedmode; /* Driver-specific extensions */ 1197 __u32 readbuffers; /* # of buffers for read */ 1198 __u32 reserved[4]; 1199 }; 1200 1201 /* Flags for 'capability' and 'capturemode' fields */ 1202 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 1203 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 1204 1205 struct v4l2_outputparm { 1206 __u32 capability; /* Supported modes */ 1207 __u32 outputmode; /* Current mode */ 1208 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1209 __u32 extendedmode; /* Driver-specific extensions */ 1210 __u32 writebuffers; /* # of buffers for write */ 1211 __u32 reserved[4]; 1212 }; 1213 1214 /* 1215 * I N P U T I M A G E C R O P P I N G 1216 */ 1217 struct v4l2_cropcap { 1218 __u32 type; /* enum v4l2_buf_type */ 1219 struct v4l2_rect bounds; 1220 struct v4l2_rect defrect; 1221 struct v4l2_fract pixelaspect; 1222 }; 1223 1224 struct v4l2_crop { 1225 __u32 type; /* enum v4l2_buf_type */ 1226 struct v4l2_rect c; 1227 }; 1228 1229 /** 1230 * struct v4l2_selection - selection info 1231 * @type: buffer type (do not use *_MPLANE types) 1232 * @target: Selection target, used to choose one of possible rectangles; 1233 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 1234 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 1235 * @r: coordinates of selection window 1236 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 1237 * 1238 * Hardware may use multiple helper windows to process a video stream. 1239 * The structure is used to exchange this selection areas between 1240 * an application and a driver. 1241 */ 1242 struct v4l2_selection { 1243 __u32 type; 1244 __u32 target; 1245 __u32 flags; 1246 struct v4l2_rect r; 1247 __u32 reserved[9]; 1248 }; 1249 1250 1251 /* 1252 * A N A L O G V I D E O S T A N D A R D 1253 */ 1254 1255 typedef __u64 v4l2_std_id; 1256 1257 /* 1258 * Attention: Keep the V4L2_STD_* bit definitions in sync with 1259 * include/dt-bindings/display/sdtv-standards.h SDTV_STD_* bit definitions. 1260 */ 1261 /* one bit for each */ 1262 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 1263 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 1264 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 1265 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 1266 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 1267 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 1268 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 1269 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 1270 1271 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 1272 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 1273 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 1274 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 1275 1276 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 1277 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 1278 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 1279 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 1280 1281 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 1282 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 1283 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 1284 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 1285 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 1286 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 1287 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 1288 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 1289 1290 /* ATSC/HDTV */ 1291 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 1292 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 1293 1294 /* FIXME: 1295 Although std_id is 64 bits, there is an issue on PPC32 architecture that 1296 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 1297 this value to 32 bits. 1298 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 1299 it should work fine. However, if needed to add more than two standards, 1300 v4l2-common.c should be fixed. 1301 */ 1302 1303 /* 1304 * Some macros to merge video standards in order to make live easier for the 1305 * drivers and V4L2 applications 1306 */ 1307 1308 /* 1309 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 1310 * Missing here. 1311 */ 1312 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 1313 V4L2_STD_NTSC_M_JP |\ 1314 V4L2_STD_NTSC_M_KR) 1315 /* Secam macros */ 1316 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 1317 V4L2_STD_SECAM_K |\ 1318 V4L2_STD_SECAM_K1) 1319 /* All Secam Standards */ 1320 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 1321 V4L2_STD_SECAM_G |\ 1322 V4L2_STD_SECAM_H |\ 1323 V4L2_STD_SECAM_DK |\ 1324 V4L2_STD_SECAM_L |\ 1325 V4L2_STD_SECAM_LC) 1326 /* PAL macros */ 1327 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 1328 V4L2_STD_PAL_B1 |\ 1329 V4L2_STD_PAL_G) 1330 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1331 V4L2_STD_PAL_D1 |\ 1332 V4L2_STD_PAL_K) 1333 /* 1334 * "Common" PAL - This macro is there to be compatible with the old 1335 * V4L1 concept of "PAL": /BGDKHI. 1336 * Several PAL standards are missing here: /M, /N and /Nc 1337 */ 1338 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1339 V4L2_STD_PAL_DK |\ 1340 V4L2_STD_PAL_H |\ 1341 V4L2_STD_PAL_I) 1342 /* Chroma "agnostic" standards */ 1343 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 1344 V4L2_STD_PAL_B1 |\ 1345 V4L2_STD_SECAM_B) 1346 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 1347 V4L2_STD_SECAM_G) 1348 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 1349 V4L2_STD_SECAM_H) 1350 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1351 V4L2_STD_SECAM_LC) 1352 #define V4L2_STD_GH (V4L2_STD_G |\ 1353 V4L2_STD_H) 1354 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1355 V4L2_STD_SECAM_DK) 1356 #define V4L2_STD_BG (V4L2_STD_B |\ 1357 V4L2_STD_G) 1358 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1359 V4L2_STD_PAL_N |\ 1360 V4L2_STD_PAL_Nc |\ 1361 V4L2_STD_NTSC) 1362 1363 /* Standards where MTS/BTSC stereo could be found */ 1364 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1365 V4L2_STD_PAL_M |\ 1366 V4L2_STD_PAL_N |\ 1367 V4L2_STD_PAL_Nc) 1368 1369 /* Standards for Countries with 60Hz Line frequency */ 1370 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1371 V4L2_STD_PAL_60 |\ 1372 V4L2_STD_NTSC |\ 1373 V4L2_STD_NTSC_443) 1374 /* Standards for Countries with 50Hz Line frequency */ 1375 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1376 V4L2_STD_PAL_N |\ 1377 V4L2_STD_PAL_Nc |\ 1378 V4L2_STD_SECAM) 1379 1380 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1381 V4L2_STD_ATSC_16_VSB) 1382 /* Macros with none and all analog standards */ 1383 #define V4L2_STD_UNKNOWN 0 1384 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1385 V4L2_STD_625_50) 1386 1387 struct v4l2_standard { 1388 __u32 index; 1389 v4l2_std_id id; 1390 __u8 name[24]; 1391 struct v4l2_fract frameperiod; /* Frames, not fields */ 1392 __u32 framelines; 1393 __u32 reserved[4]; 1394 }; 1395 1396 /* 1397 * D V B T T I M I N G S 1398 */ 1399 1400 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1401 * @width: total width of the active video in pixels 1402 * @height: total height of the active video in lines 1403 * @interlaced: Interlaced or progressive 1404 * @polarities: Positive or negative polarities 1405 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1406 * @hfrontporch:Horizontal front porch in pixels 1407 * @hsync: Horizontal Sync length in pixels 1408 * @hbackporch: Horizontal back porch in pixels 1409 * @vfrontporch:Vertical front porch in lines 1410 * @vsync: Vertical Sync length in lines 1411 * @vbackporch: Vertical back porch in lines 1412 * @il_vfrontporch:Vertical front porch for the even field 1413 * (aka field 2) of interlaced field formats 1414 * @il_vsync: Vertical Sync length for the even field 1415 * (aka field 2) of interlaced field formats 1416 * @il_vbackporch:Vertical back porch for the even field 1417 * (aka field 2) of interlaced field formats 1418 * @standards: Standards the timing belongs to 1419 * @flags: Flags 1420 * @picture_aspect: The picture aspect ratio (hor/vert). 1421 * @cea861_vic: VIC code as per the CEA-861 standard. 1422 * @hdmi_vic: VIC code as per the HDMI standard. 1423 * @reserved: Reserved fields, must be zeroed. 1424 * 1425 * A note regarding vertical interlaced timings: height refers to the total 1426 * height of the active video frame (= two fields). The blanking timings refer 1427 * to the blanking of each field. So the height of the total frame is 1428 * calculated as follows: 1429 * 1430 * tot_height = height + vfrontporch + vsync + vbackporch + 1431 * il_vfrontporch + il_vsync + il_vbackporch 1432 * 1433 * The active height of each field is height / 2. 1434 */ 1435 struct v4l2_bt_timings { 1436 __u32 width; 1437 __u32 height; 1438 __u32 interlaced; 1439 __u32 polarities; 1440 __u64 pixelclock; 1441 __u32 hfrontporch; 1442 __u32 hsync; 1443 __u32 hbackporch; 1444 __u32 vfrontporch; 1445 __u32 vsync; 1446 __u32 vbackporch; 1447 __u32 il_vfrontporch; 1448 __u32 il_vsync; 1449 __u32 il_vbackporch; 1450 __u32 standards; 1451 __u32 flags; 1452 struct v4l2_fract picture_aspect; 1453 __u8 cea861_vic; 1454 __u8 hdmi_vic; 1455 __u8 reserved[46]; 1456 } __attribute__ ((packed)); 1457 1458 /* Interlaced or progressive format */ 1459 #define V4L2_DV_PROGRESSIVE 0 1460 #define V4L2_DV_INTERLACED 1 1461 1462 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1463 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1464 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1465 1466 /* Timings standards */ 1467 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1468 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1469 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1470 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1471 #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */ 1472 1473 /* Flags */ 1474 1475 /* 1476 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1477 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1478 * intervals are reduced, allowing a higher resolution over the same 1479 * bandwidth. This is a read-only flag. 1480 */ 1481 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1482 /* 1483 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1484 * of six. These formats can be optionally played at 1 / 1.001 speed. 1485 * This is a read-only flag. 1486 */ 1487 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1488 /* 1489 * CEA-861 specific: only valid for video transmitters, the flag is cleared 1490 * by receivers. 1491 * If the framerate of the format is a multiple of six, then the pixelclock 1492 * used to set up the transmitter is divided by 1.001 to make it compatible 1493 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1494 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1495 * such frequencies, then the flag will also be cleared. 1496 */ 1497 #define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1498 /* 1499 * Specific to interlaced formats: if set, then field 1 is really one half-line 1500 * longer and field 2 is really one half-line shorter, so each field has 1501 * exactly the same number of half-lines. Whether half-lines can be detected 1502 * or used depends on the hardware. 1503 */ 1504 #define V4L2_DV_FL_HALF_LINE (1 << 3) 1505 /* 1506 * If set, then this is a Consumer Electronics (CE) video format. Such formats 1507 * differ from other formats (commonly called IT formats) in that if RGB 1508 * encoding is used then by default the RGB values use limited range (i.e. 1509 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861 1510 * except for the 640x480 format are CE formats. 1511 */ 1512 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4) 1513 /* Some formats like SMPTE-125M have an interlaced signal with a odd 1514 * total height. For these formats, if this flag is set, the first 1515 * field has the extra line. If not, it is the second field. 1516 */ 1517 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5) 1518 /* 1519 * If set, then the picture_aspect field is valid. Otherwise assume that the 1520 * pixels are square, so the picture aspect ratio is the same as the width to 1521 * height ratio. 1522 */ 1523 #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6) 1524 /* 1525 * If set, then the cea861_vic field is valid and contains the Video 1526 * Identification Code as per the CEA-861 standard. 1527 */ 1528 #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7) 1529 /* 1530 * If set, then the hdmi_vic field is valid and contains the Video 1531 * Identification Code as per the HDMI standard (HDMI Vendor Specific 1532 * InfoFrame). 1533 */ 1534 #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8) 1535 /* 1536 * CEA-861 specific: only valid for video receivers. 1537 * If set, then HW can detect the difference between regular FPS and 1538 * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with 1539 * the V4L2_DV_FL_CAN_REDUCE_FPS flag set. 1540 */ 1541 #define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9) 1542 1543 /* A few useful defines to calculate the total blanking and frame sizes */ 1544 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1545 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1546 #define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1547 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1548 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1549 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1550 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) 1551 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1552 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1553 1554 /** struct v4l2_dv_timings - DV timings 1555 * @type: the type of the timings 1556 * @bt: BT656/1120 timings 1557 */ 1558 struct v4l2_dv_timings { 1559 __u32 type; 1560 union { 1561 struct v4l2_bt_timings bt; 1562 __u32 reserved[32]; 1563 }; 1564 } __attribute__ ((packed)); 1565 1566 /* Values for the type field */ 1567 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1568 1569 1570 /** struct v4l2_enum_dv_timings - DV timings enumeration 1571 * @index: enumeration index 1572 * @pad: the pad number for which to enumerate timings (used with 1573 * v4l-subdev nodes only) 1574 * @reserved: must be zeroed 1575 * @timings: the timings for the given index 1576 */ 1577 struct v4l2_enum_dv_timings { 1578 __u32 index; 1579 __u32 pad; 1580 __u32 reserved[2]; 1581 struct v4l2_dv_timings timings; 1582 }; 1583 1584 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1585 * @min_width: width in pixels 1586 * @max_width: width in pixels 1587 * @min_height: height in lines 1588 * @max_height: height in lines 1589 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1590 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1591 * @standards: Supported standards 1592 * @capabilities: Supported capabilities 1593 * @reserved: Must be zeroed 1594 */ 1595 struct v4l2_bt_timings_cap { 1596 __u32 min_width; 1597 __u32 max_width; 1598 __u32 min_height; 1599 __u32 max_height; 1600 __u64 min_pixelclock; 1601 __u64 max_pixelclock; 1602 __u32 standards; 1603 __u32 capabilities; 1604 __u32 reserved[16]; 1605 } __attribute__ ((packed)); 1606 1607 /* Supports interlaced formats */ 1608 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1609 /* Supports progressive formats */ 1610 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1611 /* Supports CVT/GTF reduced blanking */ 1612 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1613 /* Supports custom formats */ 1614 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1615 1616 /** struct v4l2_dv_timings_cap - DV timings capabilities 1617 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1618 * @pad: the pad number for which to query capabilities (used with 1619 * v4l-subdev nodes only) 1620 * @bt: the BT656/1120 timings capabilities 1621 */ 1622 struct v4l2_dv_timings_cap { 1623 __u32 type; 1624 __u32 pad; 1625 __u32 reserved[2]; 1626 union { 1627 struct v4l2_bt_timings_cap bt; 1628 __u32 raw_data[32]; 1629 }; 1630 }; 1631 1632 1633 /* 1634 * V I D E O I N P U T S 1635 */ 1636 struct v4l2_input { 1637 __u32 index; /* Which input */ 1638 __u8 name[32]; /* Label */ 1639 __u32 type; /* Type of input */ 1640 __u32 audioset; /* Associated audios (bitfield) */ 1641 __u32 tuner; /* enum v4l2_tuner_type */ 1642 v4l2_std_id std; 1643 __u32 status; 1644 __u32 capabilities; 1645 __u32 reserved[3]; 1646 }; 1647 1648 /* Values for the 'type' field */ 1649 #define V4L2_INPUT_TYPE_TUNER 1 1650 #define V4L2_INPUT_TYPE_CAMERA 2 1651 #define V4L2_INPUT_TYPE_TOUCH 3 1652 1653 /* field 'status' - general */ 1654 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1655 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1656 #define V4L2_IN_ST_NO_COLOR 0x00000004 1657 1658 /* field 'status' - sensor orientation */ 1659 /* If sensor is mounted upside down set both bits */ 1660 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1661 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1662 1663 /* field 'status' - analog */ 1664 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1665 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1666 #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */ 1667 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */ 1668 1669 /* field 'status' - digital */ 1670 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1671 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1672 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1673 1674 /* field 'status' - VCR and set-top box */ 1675 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1676 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1677 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1678 1679 /* capabilities flags */ 1680 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1681 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1682 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1683 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1684 1685 /* 1686 * V I D E O O U T P U T S 1687 */ 1688 struct v4l2_output { 1689 __u32 index; /* Which output */ 1690 __u8 name[32]; /* Label */ 1691 __u32 type; /* Type of output */ 1692 __u32 audioset; /* Associated audios (bitfield) */ 1693 __u32 modulator; /* Associated modulator */ 1694 v4l2_std_id std; 1695 __u32 capabilities; 1696 __u32 reserved[3]; 1697 }; 1698 /* Values for the 'type' field */ 1699 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1700 #define V4L2_OUTPUT_TYPE_ANALOG 2 1701 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1702 1703 /* capabilities flags */ 1704 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1705 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1706 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1707 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1708 1709 /* 1710 * C O N T R O L S 1711 */ 1712 struct v4l2_control { 1713 __u32 id; 1714 __s32 value; 1715 }; 1716 1717 struct v4l2_ext_control { 1718 __u32 id; 1719 __u32 size; 1720 __u32 reserved2[1]; 1721 union { 1722 __s32 value; 1723 __s64 value64; 1724 char __user *string; 1725 __u8 __user *p_u8; 1726 __u16 __user *p_u16; 1727 __u32 __user *p_u32; 1728 struct v4l2_area __user *p_area; 1729 void __user *ptr; 1730 }; 1731 } __attribute__ ((packed)); 1732 1733 struct v4l2_ext_controls { 1734 union { 1735 #ifndef __KERNEL__ 1736 __u32 ctrl_class; 1737 #endif 1738 __u32 which; 1739 }; 1740 __u32 count; 1741 __u32 error_idx; 1742 __s32 request_fd; 1743 __u32 reserved[1]; 1744 struct v4l2_ext_control *controls; 1745 }; 1746 1747 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1748 #ifndef __KERNEL__ 1749 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1750 #endif 1751 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL) 1752 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1753 #define V4L2_CTRL_MAX_DIMS (4) 1754 #define V4L2_CTRL_WHICH_CUR_VAL 0 1755 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000 1756 #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000 1757 1758 enum v4l2_ctrl_type { 1759 V4L2_CTRL_TYPE_INTEGER = 1, 1760 V4L2_CTRL_TYPE_BOOLEAN = 2, 1761 V4L2_CTRL_TYPE_MENU = 3, 1762 V4L2_CTRL_TYPE_BUTTON = 4, 1763 V4L2_CTRL_TYPE_INTEGER64 = 5, 1764 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1765 V4L2_CTRL_TYPE_STRING = 7, 1766 V4L2_CTRL_TYPE_BITMASK = 8, 1767 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1768 1769 /* Compound types are >= 0x0100 */ 1770 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1771 V4L2_CTRL_TYPE_U8 = 0x0100, 1772 V4L2_CTRL_TYPE_U16 = 0x0101, 1773 V4L2_CTRL_TYPE_U32 = 0x0102, 1774 V4L2_CTRL_TYPE_AREA = 0x0106, 1775 }; 1776 1777 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1778 struct v4l2_queryctrl { 1779 __u32 id; 1780 __u32 type; /* enum v4l2_ctrl_type */ 1781 __u8 name[32]; /* Whatever */ 1782 __s32 minimum; /* Note signedness */ 1783 __s32 maximum; 1784 __s32 step; 1785 __s32 default_value; 1786 __u32 flags; 1787 __u32 reserved[2]; 1788 }; 1789 1790 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1791 struct v4l2_query_ext_ctrl { 1792 __u32 id; 1793 __u32 type; 1794 char name[32]; 1795 __s64 minimum; 1796 __s64 maximum; 1797 __u64 step; 1798 __s64 default_value; 1799 __u32 flags; 1800 __u32 elem_size; 1801 __u32 elems; 1802 __u32 nr_of_dims; 1803 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1804 __u32 reserved[32]; 1805 }; 1806 1807 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1808 struct v4l2_querymenu { 1809 __u32 id; 1810 __u32 index; 1811 union { 1812 __u8 name[32]; /* Whatever */ 1813 __s64 value; 1814 }; 1815 __u32 reserved; 1816 } __attribute__ ((packed)); 1817 1818 /* Control flags */ 1819 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1820 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1821 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1822 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1823 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1824 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1825 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1826 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1827 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1828 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 1829 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400 1830 1831 /* Query flags, to be ORed with the control ID */ 1832 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1833 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1834 1835 /* User-class control IDs defined by V4L2 */ 1836 #define V4L2_CID_MAX_CTRLS 1024 1837 /* IDs reserved for driver specific controls */ 1838 #define V4L2_CID_PRIVATE_BASE 0x08000000 1839 1840 1841 /* 1842 * T U N I N G 1843 */ 1844 struct v4l2_tuner { 1845 __u32 index; 1846 __u8 name[32]; 1847 __u32 type; /* enum v4l2_tuner_type */ 1848 __u32 capability; 1849 __u32 rangelow; 1850 __u32 rangehigh; 1851 __u32 rxsubchans; 1852 __u32 audmode; 1853 __s32 signal; 1854 __s32 afc; 1855 __u32 reserved[4]; 1856 }; 1857 1858 struct v4l2_modulator { 1859 __u32 index; 1860 __u8 name[32]; 1861 __u32 capability; 1862 __u32 rangelow; 1863 __u32 rangehigh; 1864 __u32 txsubchans; 1865 __u32 type; /* enum v4l2_tuner_type */ 1866 __u32 reserved[3]; 1867 }; 1868 1869 /* Flags for the 'capability' field */ 1870 #define V4L2_TUNER_CAP_LOW 0x0001 1871 #define V4L2_TUNER_CAP_NORM 0x0002 1872 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1873 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1874 #define V4L2_TUNER_CAP_STEREO 0x0010 1875 #define V4L2_TUNER_CAP_LANG2 0x0020 1876 #define V4L2_TUNER_CAP_SAP 0x0020 1877 #define V4L2_TUNER_CAP_LANG1 0x0040 1878 #define V4L2_TUNER_CAP_RDS 0x0080 1879 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1880 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1881 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1882 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1883 #define V4L2_TUNER_CAP_1HZ 0x1000 1884 1885 /* Flags for the 'rxsubchans' field */ 1886 #define V4L2_TUNER_SUB_MONO 0x0001 1887 #define V4L2_TUNER_SUB_STEREO 0x0002 1888 #define V4L2_TUNER_SUB_LANG2 0x0004 1889 #define V4L2_TUNER_SUB_SAP 0x0004 1890 #define V4L2_TUNER_SUB_LANG1 0x0008 1891 #define V4L2_TUNER_SUB_RDS 0x0010 1892 1893 /* Values for the 'audmode' field */ 1894 #define V4L2_TUNER_MODE_MONO 0x0000 1895 #define V4L2_TUNER_MODE_STEREO 0x0001 1896 #define V4L2_TUNER_MODE_LANG2 0x0002 1897 #define V4L2_TUNER_MODE_SAP 0x0002 1898 #define V4L2_TUNER_MODE_LANG1 0x0003 1899 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1900 1901 struct v4l2_frequency { 1902 __u32 tuner; 1903 __u32 type; /* enum v4l2_tuner_type */ 1904 __u32 frequency; 1905 __u32 reserved[8]; 1906 }; 1907 1908 #define V4L2_BAND_MODULATION_VSB (1 << 1) 1909 #define V4L2_BAND_MODULATION_FM (1 << 2) 1910 #define V4L2_BAND_MODULATION_AM (1 << 3) 1911 1912 struct v4l2_frequency_band { 1913 __u32 tuner; 1914 __u32 type; /* enum v4l2_tuner_type */ 1915 __u32 index; 1916 __u32 capability; 1917 __u32 rangelow; 1918 __u32 rangehigh; 1919 __u32 modulation; 1920 __u32 reserved[9]; 1921 }; 1922 1923 struct v4l2_hw_freq_seek { 1924 __u32 tuner; 1925 __u32 type; /* enum v4l2_tuner_type */ 1926 __u32 seek_upward; 1927 __u32 wrap_around; 1928 __u32 spacing; 1929 __u32 rangelow; 1930 __u32 rangehigh; 1931 __u32 reserved[5]; 1932 }; 1933 1934 /* 1935 * R D S 1936 */ 1937 1938 struct v4l2_rds_data { 1939 __u8 lsb; 1940 __u8 msb; 1941 __u8 block; 1942 } __attribute__ ((packed)); 1943 1944 #define V4L2_RDS_BLOCK_MSK 0x7 1945 #define V4L2_RDS_BLOCK_A 0 1946 #define V4L2_RDS_BLOCK_B 1 1947 #define V4L2_RDS_BLOCK_C 2 1948 #define V4L2_RDS_BLOCK_D 3 1949 #define V4L2_RDS_BLOCK_C_ALT 4 1950 #define V4L2_RDS_BLOCK_INVALID 7 1951 1952 #define V4L2_RDS_BLOCK_CORRECTED 0x40 1953 #define V4L2_RDS_BLOCK_ERROR 0x80 1954 1955 /* 1956 * A U D I O 1957 */ 1958 struct v4l2_audio { 1959 __u32 index; 1960 __u8 name[32]; 1961 __u32 capability; 1962 __u32 mode; 1963 __u32 reserved[2]; 1964 }; 1965 1966 /* Flags for the 'capability' field */ 1967 #define V4L2_AUDCAP_STEREO 0x00001 1968 #define V4L2_AUDCAP_AVL 0x00002 1969 1970 /* Flags for the 'mode' field */ 1971 #define V4L2_AUDMODE_AVL 0x00001 1972 1973 struct v4l2_audioout { 1974 __u32 index; 1975 __u8 name[32]; 1976 __u32 capability; 1977 __u32 mode; 1978 __u32 reserved[2]; 1979 }; 1980 1981 /* 1982 * M P E G S E R V I C E S 1983 */ 1984 #if 1 1985 #define V4L2_ENC_IDX_FRAME_I (0) 1986 #define V4L2_ENC_IDX_FRAME_P (1) 1987 #define V4L2_ENC_IDX_FRAME_B (2) 1988 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 1989 1990 struct v4l2_enc_idx_entry { 1991 __u64 offset; 1992 __u64 pts; 1993 __u32 length; 1994 __u32 flags; 1995 __u32 reserved[2]; 1996 }; 1997 1998 #define V4L2_ENC_IDX_ENTRIES (64) 1999 struct v4l2_enc_idx { 2000 __u32 entries; 2001 __u32 entries_cap; 2002 __u32 reserved[4]; 2003 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 2004 }; 2005 2006 2007 #define V4L2_ENC_CMD_START (0) 2008 #define V4L2_ENC_CMD_STOP (1) 2009 #define V4L2_ENC_CMD_PAUSE (2) 2010 #define V4L2_ENC_CMD_RESUME (3) 2011 2012 /* Flags for V4L2_ENC_CMD_STOP */ 2013 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 2014 2015 struct v4l2_encoder_cmd { 2016 __u32 cmd; 2017 __u32 flags; 2018 union { 2019 struct { 2020 __u32 data[8]; 2021 } raw; 2022 }; 2023 }; 2024 2025 /* Decoder commands */ 2026 #define V4L2_DEC_CMD_START (0) 2027 #define V4L2_DEC_CMD_STOP (1) 2028 #define V4L2_DEC_CMD_PAUSE (2) 2029 #define V4L2_DEC_CMD_RESUME (3) 2030 #define V4L2_DEC_CMD_FLUSH (4) 2031 2032 /* Flags for V4L2_DEC_CMD_START */ 2033 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 2034 2035 /* Flags for V4L2_DEC_CMD_PAUSE */ 2036 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 2037 2038 /* Flags for V4L2_DEC_CMD_STOP */ 2039 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 2040 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 2041 2042 /* Play format requirements (returned by the driver): */ 2043 2044 /* The decoder has no special format requirements */ 2045 #define V4L2_DEC_START_FMT_NONE (0) 2046 /* The decoder requires full GOPs */ 2047 #define V4L2_DEC_START_FMT_GOP (1) 2048 2049 /* The structure must be zeroed before use by the application 2050 This ensures it can be extended safely in the future. */ 2051 struct v4l2_decoder_cmd { 2052 __u32 cmd; 2053 __u32 flags; 2054 union { 2055 struct { 2056 __u64 pts; 2057 } stop; 2058 2059 struct { 2060 /* 0 or 1000 specifies normal speed, 2061 1 specifies forward single stepping, 2062 -1 specifies backward single stepping, 2063 >1: playback at speed/1000 of the normal speed, 2064 <-1: reverse playback at (-speed/1000) of the normal speed. */ 2065 __s32 speed; 2066 __u32 format; 2067 } start; 2068 2069 struct { 2070 __u32 data[16]; 2071 } raw; 2072 }; 2073 }; 2074 #endif 2075 2076 2077 /* 2078 * D A T A S E R V I C E S ( V B I ) 2079 * 2080 * Data services API by Michael Schimek 2081 */ 2082 2083 /* Raw VBI */ 2084 struct v4l2_vbi_format { 2085 __u32 sampling_rate; /* in 1 Hz */ 2086 __u32 offset; 2087 __u32 samples_per_line; 2088 __u32 sample_format; /* V4L2_PIX_FMT_* */ 2089 __s32 start[2]; 2090 __u32 count[2]; 2091 __u32 flags; /* V4L2_VBI_* */ 2092 __u32 reserved[2]; /* must be zero */ 2093 }; 2094 2095 /* VBI flags */ 2096 #define V4L2_VBI_UNSYNC (1 << 0) 2097 #define V4L2_VBI_INTERLACED (1 << 1) 2098 2099 /* ITU-R start lines for each field */ 2100 #define V4L2_VBI_ITU_525_F1_START (1) 2101 #define V4L2_VBI_ITU_525_F2_START (264) 2102 #define V4L2_VBI_ITU_625_F1_START (1) 2103 #define V4L2_VBI_ITU_625_F2_START (314) 2104 2105 /* Sliced VBI 2106 * 2107 * This implements is a proposal V4L2 API to allow SLICED VBI 2108 * required for some hardware encoders. It should change without 2109 * notice in the definitive implementation. 2110 */ 2111 2112 struct v4l2_sliced_vbi_format { 2113 __u16 service_set; 2114 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2115 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2116 (equals frame lines 313-336 for 625 line video 2117 standards, 263-286 for 525 line standards) */ 2118 __u16 service_lines[2][24]; 2119 __u32 io_size; 2120 __u32 reserved[2]; /* must be zero */ 2121 }; 2122 2123 /* Teletext World System Teletext 2124 (WST), defined on ITU-R BT.653-2 */ 2125 #define V4L2_SLICED_TELETEXT_B (0x0001) 2126 /* Video Program System, defined on ETS 300 231*/ 2127 #define V4L2_SLICED_VPS (0x0400) 2128 /* Closed Caption, defined on EIA-608 */ 2129 #define V4L2_SLICED_CAPTION_525 (0x1000) 2130 /* Wide Screen System, defined on ITU-R BT1119.1 */ 2131 #define V4L2_SLICED_WSS_625 (0x4000) 2132 2133 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 2134 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 2135 2136 struct v4l2_sliced_vbi_cap { 2137 __u16 service_set; 2138 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2139 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2140 (equals frame lines 313-336 for 625 line video 2141 standards, 263-286 for 525 line standards) */ 2142 __u16 service_lines[2][24]; 2143 __u32 type; /* enum v4l2_buf_type */ 2144 __u32 reserved[3]; /* must be 0 */ 2145 }; 2146 2147 struct v4l2_sliced_vbi_data { 2148 __u32 id; 2149 __u32 field; /* 0: first field, 1: second field */ 2150 __u32 line; /* 1-23 */ 2151 __u32 reserved; /* must be 0 */ 2152 __u8 data[48]; 2153 }; 2154 2155 /* 2156 * Sliced VBI data inserted into MPEG Streams 2157 */ 2158 2159 /* 2160 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 2161 * 2162 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 2163 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 2164 * data 2165 * 2166 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 2167 * definitions are not included here. See the MPEG-2 specifications for details 2168 * on these headers. 2169 */ 2170 2171 /* Line type IDs */ 2172 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 2173 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 2174 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 2175 #define V4L2_MPEG_VBI_IVTV_VPS (7) 2176 2177 struct v4l2_mpeg_vbi_itv0_line { 2178 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 2179 __u8 data[42]; /* Sliced VBI data for the line */ 2180 } __attribute__ ((packed)); 2181 2182 struct v4l2_mpeg_vbi_itv0 { 2183 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 2184 struct v4l2_mpeg_vbi_itv0_line line[35]; 2185 } __attribute__ ((packed)); 2186 2187 struct v4l2_mpeg_vbi_ITV0 { 2188 struct v4l2_mpeg_vbi_itv0_line line[36]; 2189 } __attribute__ ((packed)); 2190 2191 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 2192 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 2193 2194 struct v4l2_mpeg_vbi_fmt_ivtv { 2195 __u8 magic[4]; 2196 union { 2197 struct v4l2_mpeg_vbi_itv0 itv0; 2198 struct v4l2_mpeg_vbi_ITV0 ITV0; 2199 }; 2200 } __attribute__ ((packed)); 2201 2202 /* 2203 * A G G R E G A T E S T R U C T U R E S 2204 */ 2205 2206 /** 2207 * struct v4l2_plane_pix_format - additional, per-plane format definition 2208 * @sizeimage: maximum size in bytes required for data, for which 2209 * this plane will be used 2210 * @bytesperline: distance in bytes between the leftmost pixels in two 2211 * adjacent lines 2212 */ 2213 struct v4l2_plane_pix_format { 2214 __u32 sizeimage; 2215 __u32 bytesperline; 2216 __u16 reserved[6]; 2217 } __attribute__ ((packed)); 2218 2219 /** 2220 * struct v4l2_pix_format_mplane - multiplanar format definition 2221 * @width: image width in pixels 2222 * @height: image height in pixels 2223 * @pixelformat: little endian four character code (fourcc) 2224 * @field: enum v4l2_field; field order (for interlaced video) 2225 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 2226 * @plane_fmt: per-plane information 2227 * @num_planes: number of planes for this format 2228 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 2229 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding 2230 * @quantization: enum v4l2_quantization, colorspace quantization 2231 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function 2232 */ 2233 struct v4l2_pix_format_mplane { 2234 __u32 width; 2235 __u32 height; 2236 __u32 pixelformat; 2237 __u32 field; 2238 __u32 colorspace; 2239 2240 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 2241 __u8 num_planes; 2242 __u8 flags; 2243 union { 2244 __u8 ycbcr_enc; 2245 __u8 hsv_enc; 2246 }; 2247 __u8 quantization; 2248 __u8 xfer_func; 2249 __u8 reserved[7]; 2250 } __attribute__ ((packed)); 2251 2252 /** 2253 * struct v4l2_sdr_format - SDR format definition 2254 * @pixelformat: little endian four character code (fourcc) 2255 * @buffersize: maximum size in bytes required for data 2256 */ 2257 struct v4l2_sdr_format { 2258 __u32 pixelformat; 2259 __u32 buffersize; 2260 __u8 reserved[24]; 2261 } __attribute__ ((packed)); 2262 2263 /** 2264 * struct v4l2_meta_format - metadata format definition 2265 * @dataformat: little endian four character code (fourcc) 2266 * @buffersize: maximum size in bytes required for data 2267 */ 2268 struct v4l2_meta_format { 2269 __u32 dataformat; 2270 __u32 buffersize; 2271 } __attribute__ ((packed)); 2272 2273 /** 2274 * struct v4l2_format - stream data format 2275 * @type: enum v4l2_buf_type; type of the data stream 2276 * @pix: definition of an image format 2277 * @pix_mp: definition of a multiplanar image format 2278 * @win: definition of an overlaid image 2279 * @vbi: raw VBI capture or output parameters 2280 * @sliced: sliced VBI capture or output parameters 2281 * @raw_data: placeholder for future extensions and custom formats 2282 */ 2283 struct v4l2_format { 2284 __u32 type; 2285 union { 2286 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 2287 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 2288 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 2289 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 2290 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 2291 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 2292 struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */ 2293 __u8 raw_data[200]; /* user-defined */ 2294 } fmt; 2295 }; 2296 2297 /* Stream type-dependent parameters 2298 */ 2299 struct v4l2_streamparm { 2300 __u32 type; /* enum v4l2_buf_type */ 2301 union { 2302 struct v4l2_captureparm capture; 2303 struct v4l2_outputparm output; 2304 __u8 raw_data[200]; /* user-defined */ 2305 } parm; 2306 }; 2307 2308 /* 2309 * E V E N T S 2310 */ 2311 2312 #define V4L2_EVENT_ALL 0 2313 #define V4L2_EVENT_VSYNC 1 2314 #define V4L2_EVENT_EOS 2 2315 #define V4L2_EVENT_CTRL 3 2316 #define V4L2_EVENT_FRAME_SYNC 4 2317 #define V4L2_EVENT_SOURCE_CHANGE 5 2318 #define V4L2_EVENT_MOTION_DET 6 2319 #define V4L2_EVENT_PRIVATE_START 0x08000000 2320 2321 /* Payload for V4L2_EVENT_VSYNC */ 2322 struct v4l2_event_vsync { 2323 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 2324 __u8 field; 2325 } __attribute__ ((packed)); 2326 2327 /* Payload for V4L2_EVENT_CTRL */ 2328 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 2329 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 2330 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 2331 2332 struct v4l2_event_ctrl { 2333 __u32 changes; 2334 __u32 type; 2335 union { 2336 __s32 value; 2337 __s64 value64; 2338 }; 2339 __u32 flags; 2340 __s32 minimum; 2341 __s32 maximum; 2342 __s32 step; 2343 __s32 default_value; 2344 }; 2345 2346 struct v4l2_event_frame_sync { 2347 __u32 frame_sequence; 2348 }; 2349 2350 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 2351 2352 struct v4l2_event_src_change { 2353 __u32 changes; 2354 }; 2355 2356 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 2357 2358 /** 2359 * struct v4l2_event_motion_det - motion detection event 2360 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 2361 * frame_sequence field is valid. 2362 * @frame_sequence: the frame sequence number associated with this event. 2363 * @region_mask: which regions detected motion. 2364 */ 2365 struct v4l2_event_motion_det { 2366 __u32 flags; 2367 __u32 frame_sequence; 2368 __u32 region_mask; 2369 }; 2370 2371 struct v4l2_event { 2372 __u32 type; 2373 union { 2374 struct v4l2_event_vsync vsync; 2375 struct v4l2_event_ctrl ctrl; 2376 struct v4l2_event_frame_sync frame_sync; 2377 struct v4l2_event_src_change src_change; 2378 struct v4l2_event_motion_det motion_det; 2379 __u8 data[64]; 2380 } u; 2381 __u32 pending; 2382 __u32 sequence; 2383 #ifdef __KERNEL__ 2384 struct __kernel_timespec timestamp; 2385 #else 2386 struct timespec timestamp; 2387 #endif 2388 __u32 id; 2389 __u32 reserved[8]; 2390 }; 2391 2392 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2393 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2394 2395 struct v4l2_event_subscription { 2396 __u32 type; 2397 __u32 id; 2398 __u32 flags; 2399 __u32 reserved[5]; 2400 }; 2401 2402 /* 2403 * A D V A N C E D D E B U G G I N G 2404 * 2405 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2406 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2407 */ 2408 2409 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2410 2411 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2412 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2413 2414 /* The following four defines are no longer in use */ 2415 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2416 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2417 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2418 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2419 2420 struct v4l2_dbg_match { 2421 __u32 type; /* Match type */ 2422 union { /* Match this chip, meaning determined by type */ 2423 __u32 addr; 2424 char name[32]; 2425 }; 2426 } __attribute__ ((packed)); 2427 2428 struct v4l2_dbg_register { 2429 struct v4l2_dbg_match match; 2430 __u32 size; /* register size in bytes */ 2431 __u64 reg; 2432 __u64 val; 2433 } __attribute__ ((packed)); 2434 2435 #define V4L2_CHIP_FL_READABLE (1 << 0) 2436 #define V4L2_CHIP_FL_WRITABLE (1 << 1) 2437 2438 /* VIDIOC_DBG_G_CHIP_INFO */ 2439 struct v4l2_dbg_chip_info { 2440 struct v4l2_dbg_match match; 2441 char name[32]; 2442 __u32 flags; 2443 __u32 reserved[32]; 2444 } __attribute__ ((packed)); 2445 2446 /** 2447 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2448 * @index: on return, index of the first created buffer 2449 * @count: entry: number of requested buffers, 2450 * return: number of created buffers 2451 * @memory: enum v4l2_memory; buffer memory type 2452 * @format: frame format, for which buffers are requested 2453 * @capabilities: capabilities of this buffer type. 2454 * @reserved: future extensions 2455 */ 2456 struct v4l2_create_buffers { 2457 __u32 index; 2458 __u32 count; 2459 __u32 memory; 2460 struct v4l2_format format; 2461 __u32 capabilities; 2462 __u32 reserved[7]; 2463 }; 2464 2465 /* 2466 * 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 2467 * 2468 */ 2469 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2470 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2471 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2472 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2473 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2474 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2475 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2476 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2477 #define VIDIOC_OVERLAY _IOW('V', 14, int) 2478 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2479 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2480 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2481 #define VIDIOC_STREAMON _IOW('V', 18, int) 2482 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 2483 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2484 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2485 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2486 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2487 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2488 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2489 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2490 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2491 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2492 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2493 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2494 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2495 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2496 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2497 #define VIDIOC_G_INPUT _IOR('V', 38, int) 2498 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 2499 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2500 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2501 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2502 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2503 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2504 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2505 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2506 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2507 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2508 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2509 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2510 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2511 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2512 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2513 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2514 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2515 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2516 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2517 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2518 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2519 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2520 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2521 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2522 #define VIDIOC_LOG_STATUS _IO('V', 70) 2523 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2524 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2525 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2526 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2527 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2528 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2529 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2530 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2531 2532 /* 2533 * Experimental, meant for debugging, testing and internal use. 2534 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2535 * You must be root to use these ioctls. Never use these in applications! 2536 */ 2537 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2538 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2539 2540 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2541 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2542 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2543 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2544 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2545 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2546 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2547 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2548 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2549 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2550 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2551 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2552 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2553 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2554 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2555 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2556 2557 /* 2558 * Experimental, meant for debugging, testing and internal use. 2559 * Never use this in applications! 2560 */ 2561 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2562 2563 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2564 2565 /* Reminder: when adding new ioctls please add support for them to 2566 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */ 2567 2568 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2569 2570 #endif /* _UAPI__LINUX_VIDEODEV2_H */ 2571