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 enum v4l2_tuner_type { 175 V4L2_TUNER_RADIO = 1, 176 V4L2_TUNER_ANALOG_TV = 2, 177 V4L2_TUNER_DIGITAL_TV = 3, 178 V4L2_TUNER_SDR = 4, 179 V4L2_TUNER_RF = 5, 180 }; 181 182 /* Deprecated, do not use */ 183 #define V4L2_TUNER_ADC V4L2_TUNER_SDR 184 185 enum v4l2_memory { 186 V4L2_MEMORY_MMAP = 1, 187 V4L2_MEMORY_USERPTR = 2, 188 V4L2_MEMORY_OVERLAY = 3, 189 V4L2_MEMORY_DMABUF = 4, 190 }; 191 192 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 193 enum v4l2_colorspace { 194 /* 195 * Default colorspace, i.e. let the driver figure it out. 196 * Can only be used with video capture. 197 */ 198 V4L2_COLORSPACE_DEFAULT = 0, 199 200 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */ 201 V4L2_COLORSPACE_SMPTE170M = 1, 202 203 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */ 204 V4L2_COLORSPACE_SMPTE240M = 2, 205 206 /* Rec.709: used for HDTV */ 207 V4L2_COLORSPACE_REC709 = 3, 208 209 /* 210 * Deprecated, do not use. No driver will ever return this. This was 211 * based on a misunderstanding of the bt878 datasheet. 212 */ 213 V4L2_COLORSPACE_BT878 = 4, 214 215 /* 216 * NTSC 1953 colorspace. This only makes sense when dealing with 217 * really, really old NTSC recordings. Superseded by SMPTE 170M. 218 */ 219 V4L2_COLORSPACE_470_SYSTEM_M = 5, 220 221 /* 222 * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when 223 * dealing with really old PAL/SECAM recordings. Superseded by 224 * SMPTE 170M. 225 */ 226 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 227 228 /* 229 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601 230 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG. 231 */ 232 V4L2_COLORSPACE_JPEG = 7, 233 234 /* For RGB colorspaces such as produces by most webcams. */ 235 V4L2_COLORSPACE_SRGB = 8, 236 237 /* opRGB colorspace */ 238 V4L2_COLORSPACE_OPRGB = 9, 239 240 /* BT.2020 colorspace, used for UHDTV. */ 241 V4L2_COLORSPACE_BT2020 = 10, 242 243 /* Raw colorspace: for RAW unprocessed images */ 244 V4L2_COLORSPACE_RAW = 11, 245 246 /* DCI-P3 colorspace, used by cinema projectors */ 247 V4L2_COLORSPACE_DCI_P3 = 12, 248 }; 249 250 /* 251 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace. 252 * This depends on whether this is a SDTV image (use SMPTE 170M), an 253 * HDTV image (use Rec. 709), or something else (use sRGB). 254 */ 255 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \ 256 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \ 257 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB)) 258 259 enum v4l2_xfer_func { 260 /* 261 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions 262 * for the various colorspaces: 263 * 264 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 265 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and 266 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709 267 * 268 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB 269 * 270 * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB 271 * 272 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M 273 * 274 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE 275 * 276 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3 277 */ 278 V4L2_XFER_FUNC_DEFAULT = 0, 279 V4L2_XFER_FUNC_709 = 1, 280 V4L2_XFER_FUNC_SRGB = 2, 281 V4L2_XFER_FUNC_OPRGB = 3, 282 V4L2_XFER_FUNC_SMPTE240M = 4, 283 V4L2_XFER_FUNC_NONE = 5, 284 V4L2_XFER_FUNC_DCI_P3 = 6, 285 V4L2_XFER_FUNC_SMPTE2084 = 7, 286 }; 287 288 /* 289 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function. 290 * This depends on the colorspace. 291 */ 292 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \ 293 ((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \ 294 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \ 295 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \ 296 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \ 297 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \ 298 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709))))) 299 300 enum v4l2_ycbcr_encoding { 301 /* 302 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the 303 * various colorspaces: 304 * 305 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 306 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB, 307 * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601 308 * 309 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709 310 * 311 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020 312 * 313 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M 314 */ 315 V4L2_YCBCR_ENC_DEFAULT = 0, 316 317 /* ITU-R 601 -- SDTV */ 318 V4L2_YCBCR_ENC_601 = 1, 319 320 /* Rec. 709 -- HDTV */ 321 V4L2_YCBCR_ENC_709 = 2, 322 323 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */ 324 V4L2_YCBCR_ENC_XV601 = 3, 325 326 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */ 327 V4L2_YCBCR_ENC_XV709 = 4, 328 329 #ifndef __KERNEL__ 330 /* 331 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added 332 * originally due to a misunderstanding of the sYCC standard. It should 333 * not be used, instead use V4L2_YCBCR_ENC_601. 334 */ 335 V4L2_YCBCR_ENC_SYCC = 5, 336 #endif 337 338 /* BT.2020 Non-constant Luminance Y'CbCr */ 339 V4L2_YCBCR_ENC_BT2020 = 6, 340 341 /* BT.2020 Constant Luminance Y'CbcCrc */ 342 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7, 343 344 /* SMPTE 240M -- Obsolete HDTV */ 345 V4L2_YCBCR_ENC_SMPTE240M = 8, 346 }; 347 348 /* 349 * enum v4l2_hsv_encoding values should not collide with the ones from 350 * enum v4l2_ycbcr_encoding. 351 */ 352 enum v4l2_hsv_encoding { 353 354 /* Hue mapped to 0 - 179 */ 355 V4L2_HSV_ENC_180 = 128, 356 357 /* Hue mapped to 0-255 */ 358 V4L2_HSV_ENC_256 = 129, 359 }; 360 361 /* 362 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding. 363 * This depends on the colorspace. 364 */ 365 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \ 366 (((colsp) == V4L2_COLORSPACE_REC709 || \ 367 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \ 368 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \ 369 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \ 370 V4L2_YCBCR_ENC_601))) 371 372 enum v4l2_quantization { 373 /* 374 * The default for R'G'B' quantization is always full range, except 375 * for the BT2020 colorspace. For Y'CbCr the quantization is always 376 * limited range, except for COLORSPACE_JPEG: this is full range. 377 */ 378 V4L2_QUANTIZATION_DEFAULT = 0, 379 V4L2_QUANTIZATION_FULL_RANGE = 1, 380 V4L2_QUANTIZATION_LIM_RANGE = 2, 381 }; 382 383 /* 384 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization. 385 * This depends on whether the image is RGB or not, the colorspace and the 386 * Y'CbCr encoding. 387 */ 388 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \ 389 (((is_rgb_or_hsv) && (colsp) == V4L2_COLORSPACE_BT2020) ? \ 390 V4L2_QUANTIZATION_LIM_RANGE : \ 391 (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \ 392 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE)) 393 394 /* 395 * Deprecated names for opRGB colorspace (IEC 61966-2-5) 396 * 397 * WARNING: Please don't use these deprecated defines in your code, as 398 * there is a chance we have to remove them in the future. 399 */ 400 #ifndef __KERNEL__ 401 #define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB 402 #define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB 403 #endif 404 405 enum v4l2_priority { 406 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 407 V4L2_PRIORITY_BACKGROUND = 1, 408 V4L2_PRIORITY_INTERACTIVE = 2, 409 V4L2_PRIORITY_RECORD = 3, 410 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 411 }; 412 413 struct v4l2_rect { 414 __s32 left; 415 __s32 top; 416 __u32 width; 417 __u32 height; 418 }; 419 420 struct v4l2_fract { 421 __u32 numerator; 422 __u32 denominator; 423 }; 424 425 /** 426 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 427 * 428 * @driver: name of the driver module (e.g. "bttv") 429 * @card: name of the card (e.g. "Hauppauge WinTV") 430 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 431 * @version: KERNEL_VERSION 432 * @capabilities: capabilities of the physical device as a whole 433 * @device_caps: capabilities accessed via this particular device (node) 434 * @reserved: reserved fields for future extensions 435 */ 436 struct v4l2_capability { 437 __u8 driver[16]; 438 __u8 card[32]; 439 __u8 bus_info[32]; 440 __u32 version; 441 __u32 capabilities; 442 __u32 device_caps; 443 __u32 reserved[3]; 444 }; 445 446 /* Values for 'capabilities' field */ 447 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 448 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 449 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 450 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 451 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 452 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 453 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 454 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 455 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 456 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 457 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 458 459 /* Is a video capture device that supports multiplanar formats */ 460 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 461 /* Is a video output device that supports multiplanar formats */ 462 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 463 /* Is a video mem-to-mem device that supports multiplanar formats */ 464 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 465 /* Is a video mem-to-mem device */ 466 #define V4L2_CAP_VIDEO_M2M 0x00008000 467 468 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 469 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 470 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 471 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 472 473 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */ 474 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */ 475 #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */ 476 #define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */ 477 478 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 479 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 480 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 481 #define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */ 482 483 #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */ 484 485 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 486 487 /* 488 * V I D E O I M A G E F O R M A T 489 */ 490 struct v4l2_pix_format { 491 __u32 width; 492 __u32 height; 493 __u32 pixelformat; 494 __u32 field; /* enum v4l2_field */ 495 __u32 bytesperline; /* for padding, zero if unused */ 496 __u32 sizeimage; 497 __u32 colorspace; /* enum v4l2_colorspace */ 498 __u32 priv; /* private data, depends on pixelformat */ 499 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ 500 union { 501 /* enum v4l2_ycbcr_encoding */ 502 __u32 ycbcr_enc; 503 /* enum v4l2_hsv_encoding */ 504 __u32 hsv_enc; 505 }; 506 __u32 quantization; /* enum v4l2_quantization */ 507 __u32 xfer_func; /* enum v4l2_xfer_func */ 508 }; 509 510 /* Pixel format FOURCC depth Description */ 511 512 /* RGB formats */ 513 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 514 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 515 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */ 516 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */ 517 #define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2') /* 16 rrrrgggg bbbbaaaa */ 518 #define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16 rrrrgggg bbbbxxxx */ 519 #define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16 aaaabbbb ggggrrrr */ 520 #define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16 xxxxbbbb ggggrrrr */ 521 #define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('B', 'A', '1', '2') /* 16 bbbbgggg rrrraaaa */ 522 #define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16 bbbbgggg rrrrxxxx */ 523 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 524 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */ 525 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */ 526 #define V4L2_PIX_FMT_RGBA555 v4l2_fourcc('R', 'A', '1', '5') /* 16 RGBA-5-5-5-1 */ 527 #define V4L2_PIX_FMT_RGBX555 v4l2_fourcc('R', 'X', '1', '5') /* 16 RGBX-5-5-5-1 */ 528 #define V4L2_PIX_FMT_ABGR555 v4l2_fourcc('A', 'B', '1', '5') /* 16 ABGR-1-5-5-5 */ 529 #define V4L2_PIX_FMT_XBGR555 v4l2_fourcc('X', 'B', '1', '5') /* 16 XBGR-1-5-5-5 */ 530 #define V4L2_PIX_FMT_BGRA555 v4l2_fourcc('B', 'A', '1', '5') /* 16 BGRA-5-5-5-1 */ 531 #define V4L2_PIX_FMT_BGRX555 v4l2_fourcc('B', 'X', '1', '5') /* 16 BGRX-5-5-5-1 */ 532 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 533 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 534 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */ 535 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */ 536 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 537 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 538 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 539 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 540 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 541 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */ 542 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */ 543 #define V4L2_PIX_FMT_BGRA32 v4l2_fourcc('R', 'A', '2', '4') /* 32 ABGR-8-8-8-8 */ 544 #define V4L2_PIX_FMT_BGRX32 v4l2_fourcc('R', 'X', '2', '4') /* 32 XBGR-8-8-8-8 */ 545 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 546 #define V4L2_PIX_FMT_RGBA32 v4l2_fourcc('A', 'B', '2', '4') /* 32 RGBA-8-8-8-8 */ 547 #define V4L2_PIX_FMT_RGBX32 v4l2_fourcc('X', 'B', '2', '4') /* 32 RGBX-8-8-8-8 */ 548 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */ 549 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */ 550 551 /* Grey formats */ 552 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 553 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 554 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 555 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 556 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 557 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 558 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */ 559 560 /* Grey bit-packed formats */ 561 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 562 #define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */ 563 564 /* Palette formats */ 565 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 566 567 /* Chrominance formats */ 568 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 569 570 /* Luminance+Chrominance formats */ 571 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 572 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 573 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 574 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 575 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 576 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 577 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 578 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 579 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 580 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 581 #define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */ 582 #define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */ 583 #define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */ 584 #define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */ 585 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */ 586 #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */ 587 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 588 589 /* two planes -- one Y, one Cr + Cb interleaved */ 590 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 591 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 592 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 593 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 594 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 595 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 596 597 /* two non contiguous planes - one Y, one Cr + Cb interleaved */ 598 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 599 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 600 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ 601 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ 602 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */ 603 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */ 604 605 /* three planes - Y Cb, Cr */ 606 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 607 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 608 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */ 609 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 610 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 611 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 612 613 /* three non contiguous planes - Y, Cb, Cr */ 614 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 615 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 616 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */ 617 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */ 618 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */ 619 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */ 620 621 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 622 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 623 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 624 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 625 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 626 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 627 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 628 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 629 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 630 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ 631 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') 632 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') 633 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') 634 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') 635 /* 10bit raw bayer a-law compressed to 8 bits */ 636 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 637 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 638 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 639 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 640 /* 10bit raw bayer DPCM compressed to 8 bits */ 641 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 642 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 643 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 644 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 645 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 646 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 647 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 648 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 649 /* 12bit raw bayer packed, 6 bytes for every 4 pixels */ 650 #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C') 651 #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C') 652 #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C') 653 #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C') 654 /* 14bit raw bayer packed, 7 bytes for every 4 pixels */ 655 #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E') 656 #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E') 657 #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E') 658 #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E') 659 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 660 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */ 661 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */ 662 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */ 663 664 /* HSV formats */ 665 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3') 666 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4') 667 668 /* compressed formats */ 669 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 670 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 671 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 672 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 673 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 674 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 675 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 676 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 677 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 678 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 679 #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */ 680 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 681 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 682 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 683 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 684 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 685 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */ 686 #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */ 687 #define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */ 688 #define V4L2_PIX_FMT_FWHT_STATELESS v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */ 689 690 /* Vendor-specific formats */ 691 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 692 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 693 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 694 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 695 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 696 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 697 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 698 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 699 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 700 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 701 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 702 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 703 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 704 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 705 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 706 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 707 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 708 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 709 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 710 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 711 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 712 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 713 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 714 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 715 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 716 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 717 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */ 718 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */ 719 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */ 720 #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */ 721 #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */ 722 #define V4L2_PIX_FMT_SUNXI_TILED_NV12 v4l2_fourcc('S', 'T', '1', '2') /* Sunxi Tiled NV12 Format */ 723 #define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */ 724 725 /* 10bit raw bayer packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */ 726 #define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */ 727 #define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */ 728 #define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */ 729 #define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */ 730 731 /* SDR formats - used only for Software Defined Radio devices */ 732 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 733 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 734 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 735 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 736 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 737 #define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */ 738 #define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */ 739 #define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */ 740 741 /* Touch formats - used for Touch devices */ 742 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */ 743 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */ 744 #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */ 745 #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */ 746 747 /* Meta-data formats */ 748 #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */ 749 #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */ 750 #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */ 751 #define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */ 752 753 /* priv field value to indicates that subsequent fields are valid. */ 754 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 755 756 /* Flags */ 757 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 758 759 /* 760 * F O R M A T E N U M E R A T I O N 761 */ 762 struct v4l2_fmtdesc { 763 __u32 index; /* Format number */ 764 __u32 type; /* enum v4l2_buf_type */ 765 __u32 flags; 766 __u8 description[32]; /* Description string */ 767 __u32 pixelformat; /* Format fourcc */ 768 __u32 reserved[4]; 769 }; 770 771 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 772 #define V4L2_FMT_FLAG_EMULATED 0x0002 773 774 /* Frame Size and frame rate enumeration */ 775 /* 776 * F R A M E S I Z E E N U M E R A T I O N 777 */ 778 enum v4l2_frmsizetypes { 779 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 780 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 781 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 782 }; 783 784 struct v4l2_frmsize_discrete { 785 __u32 width; /* Frame width [pixel] */ 786 __u32 height; /* Frame height [pixel] */ 787 }; 788 789 struct v4l2_frmsize_stepwise { 790 __u32 min_width; /* Minimum frame width [pixel] */ 791 __u32 max_width; /* Maximum frame width [pixel] */ 792 __u32 step_width; /* Frame width step size [pixel] */ 793 __u32 min_height; /* Minimum frame height [pixel] */ 794 __u32 max_height; /* Maximum frame height [pixel] */ 795 __u32 step_height; /* Frame height step size [pixel] */ 796 }; 797 798 struct v4l2_frmsizeenum { 799 __u32 index; /* Frame size number */ 800 __u32 pixel_format; /* Pixel format */ 801 __u32 type; /* Frame size type the device supports. */ 802 803 union { /* Frame size */ 804 struct v4l2_frmsize_discrete discrete; 805 struct v4l2_frmsize_stepwise stepwise; 806 }; 807 808 __u32 reserved[2]; /* Reserved space for future use */ 809 }; 810 811 /* 812 * F R A M E R A T E E N U M E R A T I O N 813 */ 814 enum v4l2_frmivaltypes { 815 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 816 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 817 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 818 }; 819 820 struct v4l2_frmival_stepwise { 821 struct v4l2_fract min; /* Minimum frame interval [s] */ 822 struct v4l2_fract max; /* Maximum frame interval [s] */ 823 struct v4l2_fract step; /* Frame interval step size [s] */ 824 }; 825 826 struct v4l2_frmivalenum { 827 __u32 index; /* Frame format index */ 828 __u32 pixel_format; /* Pixel format */ 829 __u32 width; /* Frame width */ 830 __u32 height; /* Frame height */ 831 __u32 type; /* Frame interval type the device supports. */ 832 833 union { /* Frame interval */ 834 struct v4l2_fract discrete; 835 struct v4l2_frmival_stepwise stepwise; 836 }; 837 838 __u32 reserved[2]; /* Reserved space for future use */ 839 }; 840 841 /* 842 * T I M E C O D E 843 */ 844 struct v4l2_timecode { 845 __u32 type; 846 __u32 flags; 847 __u8 frames; 848 __u8 seconds; 849 __u8 minutes; 850 __u8 hours; 851 __u8 userbits[4]; 852 }; 853 854 /* Type */ 855 #define V4L2_TC_TYPE_24FPS 1 856 #define V4L2_TC_TYPE_25FPS 2 857 #define V4L2_TC_TYPE_30FPS 3 858 #define V4L2_TC_TYPE_50FPS 4 859 #define V4L2_TC_TYPE_60FPS 5 860 861 /* Flags */ 862 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 863 #define V4L2_TC_FLAG_COLORFRAME 0x0002 864 #define V4L2_TC_USERBITS_field 0x000C 865 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 866 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 867 /* The above is based on SMPTE timecodes */ 868 869 struct v4l2_jpegcompression { 870 int quality; 871 872 int APPn; /* Number of APP segment to be written, 873 * must be 0..15 */ 874 int APP_len; /* Length of data in JPEG APPn segment */ 875 char APP_data[60]; /* Data in the JPEG APPn segment. */ 876 877 int COM_len; /* Length of data in JPEG COM segment */ 878 char COM_data[60]; /* Data in JPEG COM segment */ 879 880 __u32 jpeg_markers; /* Which markers should go into the JPEG 881 * output. Unless you exactly know what 882 * you do, leave them untouched. 883 * Including less markers will make the 884 * resulting code smaller, but there will 885 * be fewer applications which can read it. 886 * The presence of the APP and COM marker 887 * is influenced by APP_len and COM_len 888 * ONLY, not by this property! */ 889 890 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 891 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 892 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 893 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 894 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 895 * always use APP0 */ 896 }; 897 898 /* 899 * M E M O R Y - M A P P I N G B U F F E R S 900 */ 901 struct v4l2_requestbuffers { 902 __u32 count; 903 __u32 type; /* enum v4l2_buf_type */ 904 __u32 memory; /* enum v4l2_memory */ 905 __u32 capabilities; 906 __u32 reserved[1]; 907 }; 908 909 /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */ 910 #define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0) 911 #define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1) 912 #define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2) 913 #define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3) 914 #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4) 915 916 /** 917 * struct v4l2_plane - plane info for multi-planar buffers 918 * @bytesused: number of bytes occupied by data in the plane (payload) 919 * @length: size of this plane (NOT the payload) in bytes 920 * @mem_offset: when memory in the associated struct v4l2_buffer is 921 * V4L2_MEMORY_MMAP, equals the offset from the start of 922 * the device memory for this plane (or is a "cookie" that 923 * should be passed to mmap() called on the video node) 924 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 925 * pointing to this plane 926 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 927 * descriptor associated with this plane 928 * @data_offset: offset in the plane to the start of data; usually 0, 929 * unless there is a header in front of the data 930 * 931 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 932 * with two planes can have one plane for Y, and another for interleaved CbCr 933 * components. Each plane can reside in a separate memory buffer, or even in 934 * a completely separate memory node (e.g. in embedded devices). 935 */ 936 struct v4l2_plane { 937 __u32 bytesused; 938 __u32 length; 939 union { 940 __u32 mem_offset; 941 unsigned long userptr; 942 __s32 fd; 943 } m; 944 __u32 data_offset; 945 __u32 reserved[11]; 946 }; 947 948 /** 949 * struct v4l2_buffer - video buffer info 950 * @index: id number of the buffer 951 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 952 * multiplanar buffers); 953 * @bytesused: number of bytes occupied by data in the buffer (payload); 954 * unused (set to 0) for multiplanar buffers 955 * @flags: buffer informational flags 956 * @field: enum v4l2_field; field order of the image in the buffer 957 * @timestamp: frame timestamp 958 * @timecode: frame timecode 959 * @sequence: sequence count of this frame 960 * @memory: enum v4l2_memory; the method, in which the actual video data is 961 * passed 962 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 963 * offset from the start of the device memory for this plane, 964 * (or a "cookie" that should be passed to mmap() as offset) 965 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 966 * a userspace pointer pointing to this buffer 967 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 968 * a userspace file descriptor associated with this buffer 969 * @planes: for multiplanar buffers; userspace pointer to the array of plane 970 * info structs for this buffer 971 * @length: size in bytes of the buffer (NOT its payload) for single-plane 972 * buffers (when type != *_MPLANE); number of elements in the 973 * planes array for multi-plane buffers 974 * @request_fd: fd of the request that this buffer should use 975 * 976 * Contains data exchanged by application and driver using one of the Streaming 977 * I/O methods. 978 */ 979 struct v4l2_buffer { 980 __u32 index; 981 __u32 type; 982 __u32 bytesused; 983 __u32 flags; 984 __u32 field; 985 struct timeval timestamp; 986 struct v4l2_timecode timecode; 987 __u32 sequence; 988 989 /* memory location */ 990 __u32 memory; 991 union { 992 __u32 offset; 993 unsigned long userptr; 994 struct v4l2_plane *planes; 995 __s32 fd; 996 } m; 997 __u32 length; 998 __u32 reserved2; 999 union { 1000 __s32 request_fd; 1001 __u32 reserved; 1002 }; 1003 }; 1004 1005 /** 1006 * v4l2_timeval_to_ns - Convert timeval to nanoseconds 1007 * @ts: pointer to the timeval variable to be converted 1008 * 1009 * Returns the scalar nanosecond representation of the timeval 1010 * parameter. 1011 */ 1012 static inline __u64 v4l2_timeval_to_ns(const struct timeval *tv) 1013 { 1014 return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000; 1015 } 1016 1017 /* Flags for 'flags' field */ 1018 /* Buffer is mapped (flag) */ 1019 #define V4L2_BUF_FLAG_MAPPED 0x00000001 1020 /* Buffer is queued for processing */ 1021 #define V4L2_BUF_FLAG_QUEUED 0x00000002 1022 /* Buffer is ready */ 1023 #define V4L2_BUF_FLAG_DONE 0x00000004 1024 /* Image is a keyframe (I-frame) */ 1025 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008 1026 /* Image is a P-frame */ 1027 #define V4L2_BUF_FLAG_PFRAME 0x00000010 1028 /* Image is a B-frame */ 1029 #define V4L2_BUF_FLAG_BFRAME 0x00000020 1030 /* Buffer is ready, but the data contained within is corrupted. */ 1031 #define V4L2_BUF_FLAG_ERROR 0x00000040 1032 /* Buffer is added to an unqueued request */ 1033 #define V4L2_BUF_FLAG_IN_REQUEST 0x00000080 1034 /* timecode field is valid */ 1035 #define V4L2_BUF_FLAG_TIMECODE 0x00000100 1036 /* Buffer is prepared for queuing */ 1037 #define V4L2_BUF_FLAG_PREPARED 0x00000400 1038 /* Cache handling flags */ 1039 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 1040 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 1041 /* Timestamp type */ 1042 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 1043 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 1044 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 1045 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 1046 /* Timestamp sources. */ 1047 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 1048 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 1049 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 1050 /* mem2mem encoder/decoder */ 1051 #define V4L2_BUF_FLAG_LAST 0x00100000 1052 /* request_fd is valid */ 1053 #define V4L2_BUF_FLAG_REQUEST_FD 0x00800000 1054 1055 /** 1056 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 1057 * 1058 * @index: id number of the buffer 1059 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 1060 * multiplanar buffers); 1061 * @plane: index of the plane to be exported, 0 for single plane queues 1062 * @flags: flags for newly created file, currently only O_CLOEXEC is 1063 * supported, refer to manual of open syscall for more details 1064 * @fd: file descriptor associated with DMABUF (set by driver) 1065 * 1066 * Contains data used for exporting a video buffer as DMABUF file descriptor. 1067 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 1068 * (identical to the cookie used to mmap() the buffer to userspace). All 1069 * reserved fields must be set to zero. The field reserved0 is expected to 1070 * become a structure 'type' allowing an alternative layout of the structure 1071 * content. Therefore this field should not be used for any other extensions. 1072 */ 1073 struct v4l2_exportbuffer { 1074 __u32 type; /* enum v4l2_buf_type */ 1075 __u32 index; 1076 __u32 plane; 1077 __u32 flags; 1078 __s32 fd; 1079 __u32 reserved[11]; 1080 }; 1081 1082 /* 1083 * O V E R L A Y P R E V I E W 1084 */ 1085 struct v4l2_framebuffer { 1086 __u32 capability; 1087 __u32 flags; 1088 /* FIXME: in theory we should pass something like PCI device + memory 1089 * region + offset instead of some physical address */ 1090 void *base; 1091 struct { 1092 __u32 width; 1093 __u32 height; 1094 __u32 pixelformat; 1095 __u32 field; /* enum v4l2_field */ 1096 __u32 bytesperline; /* for padding, zero if unused */ 1097 __u32 sizeimage; 1098 __u32 colorspace; /* enum v4l2_colorspace */ 1099 __u32 priv; /* reserved field, set to 0 */ 1100 } fmt; 1101 }; 1102 /* Flags for the 'capability' field. Read only */ 1103 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 1104 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 1105 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 1106 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 1107 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 1108 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 1109 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 1110 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 1111 /* Flags for the 'flags' field. */ 1112 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 1113 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 1114 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 1115 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 1116 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 1117 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 1118 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 1119 1120 struct v4l2_clip { 1121 struct v4l2_rect c; 1122 struct v4l2_clip __user *next; 1123 }; 1124 1125 struct v4l2_window { 1126 struct v4l2_rect w; 1127 __u32 field; /* enum v4l2_field */ 1128 __u32 chromakey; 1129 struct v4l2_clip __user *clips; 1130 __u32 clipcount; 1131 void __user *bitmap; 1132 __u8 global_alpha; 1133 }; 1134 1135 /* 1136 * C A P T U R E P A R A M E T E R S 1137 */ 1138 struct v4l2_captureparm { 1139 __u32 capability; /* Supported modes */ 1140 __u32 capturemode; /* Current mode */ 1141 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1142 __u32 extendedmode; /* Driver-specific extensions */ 1143 __u32 readbuffers; /* # of buffers for read */ 1144 __u32 reserved[4]; 1145 }; 1146 1147 /* Flags for 'capability' and 'capturemode' fields */ 1148 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 1149 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 1150 1151 struct v4l2_outputparm { 1152 __u32 capability; /* Supported modes */ 1153 __u32 outputmode; /* Current mode */ 1154 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1155 __u32 extendedmode; /* Driver-specific extensions */ 1156 __u32 writebuffers; /* # of buffers for write */ 1157 __u32 reserved[4]; 1158 }; 1159 1160 /* 1161 * I N P U T I M A G E C R O P P I N G 1162 */ 1163 struct v4l2_cropcap { 1164 __u32 type; /* enum v4l2_buf_type */ 1165 struct v4l2_rect bounds; 1166 struct v4l2_rect defrect; 1167 struct v4l2_fract pixelaspect; 1168 }; 1169 1170 struct v4l2_crop { 1171 __u32 type; /* enum v4l2_buf_type */ 1172 struct v4l2_rect c; 1173 }; 1174 1175 /** 1176 * struct v4l2_selection - selection info 1177 * @type: buffer type (do not use *_MPLANE types) 1178 * @target: Selection target, used to choose one of possible rectangles; 1179 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 1180 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 1181 * @r: coordinates of selection window 1182 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 1183 * 1184 * Hardware may use multiple helper windows to process a video stream. 1185 * The structure is used to exchange this selection areas between 1186 * an application and a driver. 1187 */ 1188 struct v4l2_selection { 1189 __u32 type; 1190 __u32 target; 1191 __u32 flags; 1192 struct v4l2_rect r; 1193 __u32 reserved[9]; 1194 }; 1195 1196 1197 /* 1198 * A N A L O G V I D E O S T A N D A R D 1199 */ 1200 1201 typedef __u64 v4l2_std_id; 1202 1203 /* one bit for each */ 1204 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 1205 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 1206 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 1207 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 1208 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 1209 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 1210 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 1211 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 1212 1213 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 1214 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 1215 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 1216 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 1217 1218 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 1219 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 1220 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 1221 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 1222 1223 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 1224 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 1225 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 1226 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 1227 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 1228 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 1229 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 1230 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 1231 1232 /* ATSC/HDTV */ 1233 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 1234 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 1235 1236 /* FIXME: 1237 Although std_id is 64 bits, there is an issue on PPC32 architecture that 1238 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 1239 this value to 32 bits. 1240 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 1241 it should work fine. However, if needed to add more than two standards, 1242 v4l2-common.c should be fixed. 1243 */ 1244 1245 /* 1246 * Some macros to merge video standards in order to make live easier for the 1247 * drivers and V4L2 applications 1248 */ 1249 1250 /* 1251 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 1252 * Missing here. 1253 */ 1254 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 1255 V4L2_STD_NTSC_M_JP |\ 1256 V4L2_STD_NTSC_M_KR) 1257 /* Secam macros */ 1258 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 1259 V4L2_STD_SECAM_K |\ 1260 V4L2_STD_SECAM_K1) 1261 /* All Secam Standards */ 1262 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 1263 V4L2_STD_SECAM_G |\ 1264 V4L2_STD_SECAM_H |\ 1265 V4L2_STD_SECAM_DK |\ 1266 V4L2_STD_SECAM_L |\ 1267 V4L2_STD_SECAM_LC) 1268 /* PAL macros */ 1269 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 1270 V4L2_STD_PAL_B1 |\ 1271 V4L2_STD_PAL_G) 1272 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1273 V4L2_STD_PAL_D1 |\ 1274 V4L2_STD_PAL_K) 1275 /* 1276 * "Common" PAL - This macro is there to be compatible with the old 1277 * V4L1 concept of "PAL": /BGDKHI. 1278 * Several PAL standards are missing here: /M, /N and /Nc 1279 */ 1280 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1281 V4L2_STD_PAL_DK |\ 1282 V4L2_STD_PAL_H |\ 1283 V4L2_STD_PAL_I) 1284 /* Chroma "agnostic" standards */ 1285 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 1286 V4L2_STD_PAL_B1 |\ 1287 V4L2_STD_SECAM_B) 1288 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 1289 V4L2_STD_SECAM_G) 1290 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 1291 V4L2_STD_SECAM_H) 1292 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1293 V4L2_STD_SECAM_LC) 1294 #define V4L2_STD_GH (V4L2_STD_G |\ 1295 V4L2_STD_H) 1296 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1297 V4L2_STD_SECAM_DK) 1298 #define V4L2_STD_BG (V4L2_STD_B |\ 1299 V4L2_STD_G) 1300 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1301 V4L2_STD_PAL_N |\ 1302 V4L2_STD_PAL_Nc |\ 1303 V4L2_STD_NTSC) 1304 1305 /* Standards where MTS/BTSC stereo could be found */ 1306 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1307 V4L2_STD_PAL_M |\ 1308 V4L2_STD_PAL_N |\ 1309 V4L2_STD_PAL_Nc) 1310 1311 /* Standards for Countries with 60Hz Line frequency */ 1312 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1313 V4L2_STD_PAL_60 |\ 1314 V4L2_STD_NTSC |\ 1315 V4L2_STD_NTSC_443) 1316 /* Standards for Countries with 50Hz Line frequency */ 1317 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1318 V4L2_STD_PAL_N |\ 1319 V4L2_STD_PAL_Nc |\ 1320 V4L2_STD_SECAM) 1321 1322 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1323 V4L2_STD_ATSC_16_VSB) 1324 /* Macros with none and all analog standards */ 1325 #define V4L2_STD_UNKNOWN 0 1326 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1327 V4L2_STD_625_50) 1328 1329 struct v4l2_standard { 1330 __u32 index; 1331 v4l2_std_id id; 1332 __u8 name[24]; 1333 struct v4l2_fract frameperiod; /* Frames, not fields */ 1334 __u32 framelines; 1335 __u32 reserved[4]; 1336 }; 1337 1338 /* 1339 * D V B T T I M I N G S 1340 */ 1341 1342 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1343 * @width: total width of the active video in pixels 1344 * @height: total height of the active video in lines 1345 * @interlaced: Interlaced or progressive 1346 * @polarities: Positive or negative polarities 1347 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1348 * @hfrontporch:Horizontal front porch in pixels 1349 * @hsync: Horizontal Sync length in pixels 1350 * @hbackporch: Horizontal back porch in pixels 1351 * @vfrontporch:Vertical front porch in lines 1352 * @vsync: Vertical Sync length in lines 1353 * @vbackporch: Vertical back porch in lines 1354 * @il_vfrontporch:Vertical front porch for the even field 1355 * (aka field 2) of interlaced field formats 1356 * @il_vsync: Vertical Sync length for the even field 1357 * (aka field 2) of interlaced field formats 1358 * @il_vbackporch:Vertical back porch for the even field 1359 * (aka field 2) of interlaced field formats 1360 * @standards: Standards the timing belongs to 1361 * @flags: Flags 1362 * @picture_aspect: The picture aspect ratio (hor/vert). 1363 * @cea861_vic: VIC code as per the CEA-861 standard. 1364 * @hdmi_vic: VIC code as per the HDMI standard. 1365 * @reserved: Reserved fields, must be zeroed. 1366 * 1367 * A note regarding vertical interlaced timings: height refers to the total 1368 * height of the active video frame (= two fields). The blanking timings refer 1369 * to the blanking of each field. So the height of the total frame is 1370 * calculated as follows: 1371 * 1372 * tot_height = height + vfrontporch + vsync + vbackporch + 1373 * il_vfrontporch + il_vsync + il_vbackporch 1374 * 1375 * The active height of each field is height / 2. 1376 */ 1377 struct v4l2_bt_timings { 1378 __u32 width; 1379 __u32 height; 1380 __u32 interlaced; 1381 __u32 polarities; 1382 __u64 pixelclock; 1383 __u32 hfrontporch; 1384 __u32 hsync; 1385 __u32 hbackporch; 1386 __u32 vfrontporch; 1387 __u32 vsync; 1388 __u32 vbackporch; 1389 __u32 il_vfrontporch; 1390 __u32 il_vsync; 1391 __u32 il_vbackporch; 1392 __u32 standards; 1393 __u32 flags; 1394 struct v4l2_fract picture_aspect; 1395 __u8 cea861_vic; 1396 __u8 hdmi_vic; 1397 __u8 reserved[46]; 1398 } __attribute__ ((packed)); 1399 1400 /* Interlaced or progressive format */ 1401 #define V4L2_DV_PROGRESSIVE 0 1402 #define V4L2_DV_INTERLACED 1 1403 1404 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1405 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1406 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1407 1408 /* Timings standards */ 1409 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1410 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1411 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1412 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1413 #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */ 1414 1415 /* Flags */ 1416 1417 /* 1418 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1419 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1420 * intervals are reduced, allowing a higher resolution over the same 1421 * bandwidth. This is a read-only flag. 1422 */ 1423 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1424 /* 1425 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1426 * of six. These formats can be optionally played at 1 / 1.001 speed. 1427 * This is a read-only flag. 1428 */ 1429 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1430 /* 1431 * CEA-861 specific: only valid for video transmitters, the flag is cleared 1432 * by receivers. 1433 * If the framerate of the format is a multiple of six, then the pixelclock 1434 * used to set up the transmitter is divided by 1.001 to make it compatible 1435 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1436 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1437 * such frequencies, then the flag will also be cleared. 1438 */ 1439 #define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1440 /* 1441 * Specific to interlaced formats: if set, then field 1 is really one half-line 1442 * longer and field 2 is really one half-line shorter, so each field has 1443 * exactly the same number of half-lines. Whether half-lines can be detected 1444 * or used depends on the hardware. 1445 */ 1446 #define V4L2_DV_FL_HALF_LINE (1 << 3) 1447 /* 1448 * If set, then this is a Consumer Electronics (CE) video format. Such formats 1449 * differ from other formats (commonly called IT formats) in that if RGB 1450 * encoding is used then by default the RGB values use limited range (i.e. 1451 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861 1452 * except for the 640x480 format are CE formats. 1453 */ 1454 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4) 1455 /* Some formats like SMPTE-125M have an interlaced signal with a odd 1456 * total height. For these formats, if this flag is set, the first 1457 * field has the extra line. If not, it is the second field. 1458 */ 1459 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5) 1460 /* 1461 * If set, then the picture_aspect field is valid. Otherwise assume that the 1462 * pixels are square, so the picture aspect ratio is the same as the width to 1463 * height ratio. 1464 */ 1465 #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6) 1466 /* 1467 * If set, then the cea861_vic field is valid and contains the Video 1468 * Identification Code as per the CEA-861 standard. 1469 */ 1470 #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7) 1471 /* 1472 * If set, then the hdmi_vic field is valid and contains the Video 1473 * Identification Code as per the HDMI standard (HDMI Vendor Specific 1474 * InfoFrame). 1475 */ 1476 #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8) 1477 /* 1478 * CEA-861 specific: only valid for video receivers. 1479 * If set, then HW can detect the difference between regular FPS and 1480 * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with 1481 * the V4L2_DV_FL_CAN_REDUCE_FPS flag set. 1482 */ 1483 #define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9) 1484 1485 /* A few useful defines to calculate the total blanking and frame sizes */ 1486 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1487 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1488 #define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1489 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1490 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1491 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1492 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) 1493 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1494 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1495 1496 /** struct v4l2_dv_timings - DV timings 1497 * @type: the type of the timings 1498 * @bt: BT656/1120 timings 1499 */ 1500 struct v4l2_dv_timings { 1501 __u32 type; 1502 union { 1503 struct v4l2_bt_timings bt; 1504 __u32 reserved[32]; 1505 }; 1506 } __attribute__ ((packed)); 1507 1508 /* Values for the type field */ 1509 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1510 1511 1512 /** struct v4l2_enum_dv_timings - DV timings enumeration 1513 * @index: enumeration index 1514 * @pad: the pad number for which to enumerate timings (used with 1515 * v4l-subdev nodes only) 1516 * @reserved: must be zeroed 1517 * @timings: the timings for the given index 1518 */ 1519 struct v4l2_enum_dv_timings { 1520 __u32 index; 1521 __u32 pad; 1522 __u32 reserved[2]; 1523 struct v4l2_dv_timings timings; 1524 }; 1525 1526 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1527 * @min_width: width in pixels 1528 * @max_width: width in pixels 1529 * @min_height: height in lines 1530 * @max_height: height in lines 1531 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1532 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1533 * @standards: Supported standards 1534 * @capabilities: Supported capabilities 1535 * @reserved: Must be zeroed 1536 */ 1537 struct v4l2_bt_timings_cap { 1538 __u32 min_width; 1539 __u32 max_width; 1540 __u32 min_height; 1541 __u32 max_height; 1542 __u64 min_pixelclock; 1543 __u64 max_pixelclock; 1544 __u32 standards; 1545 __u32 capabilities; 1546 __u32 reserved[16]; 1547 } __attribute__ ((packed)); 1548 1549 /* Supports interlaced formats */ 1550 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1551 /* Supports progressive formats */ 1552 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1553 /* Supports CVT/GTF reduced blanking */ 1554 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1555 /* Supports custom formats */ 1556 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1557 1558 /** struct v4l2_dv_timings_cap - DV timings capabilities 1559 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1560 * @pad: the pad number for which to query capabilities (used with 1561 * v4l-subdev nodes only) 1562 * @bt: the BT656/1120 timings capabilities 1563 */ 1564 struct v4l2_dv_timings_cap { 1565 __u32 type; 1566 __u32 pad; 1567 __u32 reserved[2]; 1568 union { 1569 struct v4l2_bt_timings_cap bt; 1570 __u32 raw_data[32]; 1571 }; 1572 }; 1573 1574 1575 /* 1576 * V I D E O I N P U T S 1577 */ 1578 struct v4l2_input { 1579 __u32 index; /* Which input */ 1580 __u8 name[32]; /* Label */ 1581 __u32 type; /* Type of input */ 1582 __u32 audioset; /* Associated audios (bitfield) */ 1583 __u32 tuner; /* enum v4l2_tuner_type */ 1584 v4l2_std_id std; 1585 __u32 status; 1586 __u32 capabilities; 1587 __u32 reserved[3]; 1588 }; 1589 1590 /* Values for the 'type' field */ 1591 #define V4L2_INPUT_TYPE_TUNER 1 1592 #define V4L2_INPUT_TYPE_CAMERA 2 1593 #define V4L2_INPUT_TYPE_TOUCH 3 1594 1595 /* field 'status' - general */ 1596 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1597 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1598 #define V4L2_IN_ST_NO_COLOR 0x00000004 1599 1600 /* field 'status' - sensor orientation */ 1601 /* If sensor is mounted upside down set both bits */ 1602 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1603 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1604 1605 /* field 'status' - analog */ 1606 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1607 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1608 #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */ 1609 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */ 1610 1611 /* field 'status' - digital */ 1612 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1613 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1614 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1615 1616 /* field 'status' - VCR and set-top box */ 1617 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1618 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1619 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1620 1621 /* capabilities flags */ 1622 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1623 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1624 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1625 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1626 1627 /* 1628 * V I D E O O U T P U T S 1629 */ 1630 struct v4l2_output { 1631 __u32 index; /* Which output */ 1632 __u8 name[32]; /* Label */ 1633 __u32 type; /* Type of output */ 1634 __u32 audioset; /* Associated audios (bitfield) */ 1635 __u32 modulator; /* Associated modulator */ 1636 v4l2_std_id std; 1637 __u32 capabilities; 1638 __u32 reserved[3]; 1639 }; 1640 /* Values for the 'type' field */ 1641 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1642 #define V4L2_OUTPUT_TYPE_ANALOG 2 1643 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1644 1645 /* capabilities flags */ 1646 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1647 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1648 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1649 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1650 1651 /* 1652 * C O N T R O L S 1653 */ 1654 struct v4l2_control { 1655 __u32 id; 1656 __s32 value; 1657 }; 1658 1659 struct v4l2_ext_control { 1660 __u32 id; 1661 __u32 size; 1662 __u32 reserved2[1]; 1663 union { 1664 __s32 value; 1665 __s64 value64; 1666 char __user *string; 1667 __u8 __user *p_u8; 1668 __u16 __user *p_u16; 1669 __u32 __user *p_u32; 1670 void __user *ptr; 1671 }; 1672 } __attribute__ ((packed)); 1673 1674 struct v4l2_ext_controls { 1675 union { 1676 #ifndef __KERNEL__ 1677 __u32 ctrl_class; 1678 #endif 1679 __u32 which; 1680 }; 1681 __u32 count; 1682 __u32 error_idx; 1683 __s32 request_fd; 1684 __u32 reserved[1]; 1685 struct v4l2_ext_control *controls; 1686 }; 1687 1688 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1689 #ifndef __KERNEL__ 1690 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1691 #endif 1692 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL) 1693 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1694 #define V4L2_CTRL_MAX_DIMS (4) 1695 #define V4L2_CTRL_WHICH_CUR_VAL 0 1696 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000 1697 #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000 1698 1699 enum v4l2_ctrl_type { 1700 V4L2_CTRL_TYPE_INTEGER = 1, 1701 V4L2_CTRL_TYPE_BOOLEAN = 2, 1702 V4L2_CTRL_TYPE_MENU = 3, 1703 V4L2_CTRL_TYPE_BUTTON = 4, 1704 V4L2_CTRL_TYPE_INTEGER64 = 5, 1705 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1706 V4L2_CTRL_TYPE_STRING = 7, 1707 V4L2_CTRL_TYPE_BITMASK = 8, 1708 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1709 1710 /* Compound types are >= 0x0100 */ 1711 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1712 V4L2_CTRL_TYPE_U8 = 0x0100, 1713 V4L2_CTRL_TYPE_U16 = 0x0101, 1714 V4L2_CTRL_TYPE_U32 = 0x0102, 1715 }; 1716 1717 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1718 struct v4l2_queryctrl { 1719 __u32 id; 1720 __u32 type; /* enum v4l2_ctrl_type */ 1721 __u8 name[32]; /* Whatever */ 1722 __s32 minimum; /* Note signedness */ 1723 __s32 maximum; 1724 __s32 step; 1725 __s32 default_value; 1726 __u32 flags; 1727 __u32 reserved[2]; 1728 }; 1729 1730 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1731 struct v4l2_query_ext_ctrl { 1732 __u32 id; 1733 __u32 type; 1734 char name[32]; 1735 __s64 minimum; 1736 __s64 maximum; 1737 __u64 step; 1738 __s64 default_value; 1739 __u32 flags; 1740 __u32 elem_size; 1741 __u32 elems; 1742 __u32 nr_of_dims; 1743 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1744 __u32 reserved[32]; 1745 }; 1746 1747 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1748 struct v4l2_querymenu { 1749 __u32 id; 1750 __u32 index; 1751 union { 1752 __u8 name[32]; /* Whatever */ 1753 __s64 value; 1754 }; 1755 __u32 reserved; 1756 } __attribute__ ((packed)); 1757 1758 /* Control flags */ 1759 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1760 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1761 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1762 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1763 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1764 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1765 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1766 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1767 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1768 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 1769 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400 1770 1771 /* Query flags, to be ORed with the control ID */ 1772 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1773 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1774 1775 /* User-class control IDs defined by V4L2 */ 1776 #define V4L2_CID_MAX_CTRLS 1024 1777 /* IDs reserved for driver specific controls */ 1778 #define V4L2_CID_PRIVATE_BASE 0x08000000 1779 1780 1781 /* 1782 * T U N I N G 1783 */ 1784 struct v4l2_tuner { 1785 __u32 index; 1786 __u8 name[32]; 1787 __u32 type; /* enum v4l2_tuner_type */ 1788 __u32 capability; 1789 __u32 rangelow; 1790 __u32 rangehigh; 1791 __u32 rxsubchans; 1792 __u32 audmode; 1793 __s32 signal; 1794 __s32 afc; 1795 __u32 reserved[4]; 1796 }; 1797 1798 struct v4l2_modulator { 1799 __u32 index; 1800 __u8 name[32]; 1801 __u32 capability; 1802 __u32 rangelow; 1803 __u32 rangehigh; 1804 __u32 txsubchans; 1805 __u32 type; /* enum v4l2_tuner_type */ 1806 __u32 reserved[3]; 1807 }; 1808 1809 /* Flags for the 'capability' field */ 1810 #define V4L2_TUNER_CAP_LOW 0x0001 1811 #define V4L2_TUNER_CAP_NORM 0x0002 1812 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1813 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1814 #define V4L2_TUNER_CAP_STEREO 0x0010 1815 #define V4L2_TUNER_CAP_LANG2 0x0020 1816 #define V4L2_TUNER_CAP_SAP 0x0020 1817 #define V4L2_TUNER_CAP_LANG1 0x0040 1818 #define V4L2_TUNER_CAP_RDS 0x0080 1819 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1820 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1821 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1822 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1823 #define V4L2_TUNER_CAP_1HZ 0x1000 1824 1825 /* Flags for the 'rxsubchans' field */ 1826 #define V4L2_TUNER_SUB_MONO 0x0001 1827 #define V4L2_TUNER_SUB_STEREO 0x0002 1828 #define V4L2_TUNER_SUB_LANG2 0x0004 1829 #define V4L2_TUNER_SUB_SAP 0x0004 1830 #define V4L2_TUNER_SUB_LANG1 0x0008 1831 #define V4L2_TUNER_SUB_RDS 0x0010 1832 1833 /* Values for the 'audmode' field */ 1834 #define V4L2_TUNER_MODE_MONO 0x0000 1835 #define V4L2_TUNER_MODE_STEREO 0x0001 1836 #define V4L2_TUNER_MODE_LANG2 0x0002 1837 #define V4L2_TUNER_MODE_SAP 0x0002 1838 #define V4L2_TUNER_MODE_LANG1 0x0003 1839 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1840 1841 struct v4l2_frequency { 1842 __u32 tuner; 1843 __u32 type; /* enum v4l2_tuner_type */ 1844 __u32 frequency; 1845 __u32 reserved[8]; 1846 }; 1847 1848 #define V4L2_BAND_MODULATION_VSB (1 << 1) 1849 #define V4L2_BAND_MODULATION_FM (1 << 2) 1850 #define V4L2_BAND_MODULATION_AM (1 << 3) 1851 1852 struct v4l2_frequency_band { 1853 __u32 tuner; 1854 __u32 type; /* enum v4l2_tuner_type */ 1855 __u32 index; 1856 __u32 capability; 1857 __u32 rangelow; 1858 __u32 rangehigh; 1859 __u32 modulation; 1860 __u32 reserved[9]; 1861 }; 1862 1863 struct v4l2_hw_freq_seek { 1864 __u32 tuner; 1865 __u32 type; /* enum v4l2_tuner_type */ 1866 __u32 seek_upward; 1867 __u32 wrap_around; 1868 __u32 spacing; 1869 __u32 rangelow; 1870 __u32 rangehigh; 1871 __u32 reserved[5]; 1872 }; 1873 1874 /* 1875 * R D S 1876 */ 1877 1878 struct v4l2_rds_data { 1879 __u8 lsb; 1880 __u8 msb; 1881 __u8 block; 1882 } __attribute__ ((packed)); 1883 1884 #define V4L2_RDS_BLOCK_MSK 0x7 1885 #define V4L2_RDS_BLOCK_A 0 1886 #define V4L2_RDS_BLOCK_B 1 1887 #define V4L2_RDS_BLOCK_C 2 1888 #define V4L2_RDS_BLOCK_D 3 1889 #define V4L2_RDS_BLOCK_C_ALT 4 1890 #define V4L2_RDS_BLOCK_INVALID 7 1891 1892 #define V4L2_RDS_BLOCK_CORRECTED 0x40 1893 #define V4L2_RDS_BLOCK_ERROR 0x80 1894 1895 /* 1896 * A U D I O 1897 */ 1898 struct v4l2_audio { 1899 __u32 index; 1900 __u8 name[32]; 1901 __u32 capability; 1902 __u32 mode; 1903 __u32 reserved[2]; 1904 }; 1905 1906 /* Flags for the 'capability' field */ 1907 #define V4L2_AUDCAP_STEREO 0x00001 1908 #define V4L2_AUDCAP_AVL 0x00002 1909 1910 /* Flags for the 'mode' field */ 1911 #define V4L2_AUDMODE_AVL 0x00001 1912 1913 struct v4l2_audioout { 1914 __u32 index; 1915 __u8 name[32]; 1916 __u32 capability; 1917 __u32 mode; 1918 __u32 reserved[2]; 1919 }; 1920 1921 /* 1922 * M P E G S E R V I C E S 1923 */ 1924 #if 1 1925 #define V4L2_ENC_IDX_FRAME_I (0) 1926 #define V4L2_ENC_IDX_FRAME_P (1) 1927 #define V4L2_ENC_IDX_FRAME_B (2) 1928 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 1929 1930 struct v4l2_enc_idx_entry { 1931 __u64 offset; 1932 __u64 pts; 1933 __u32 length; 1934 __u32 flags; 1935 __u32 reserved[2]; 1936 }; 1937 1938 #define V4L2_ENC_IDX_ENTRIES (64) 1939 struct v4l2_enc_idx { 1940 __u32 entries; 1941 __u32 entries_cap; 1942 __u32 reserved[4]; 1943 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 1944 }; 1945 1946 1947 #define V4L2_ENC_CMD_START (0) 1948 #define V4L2_ENC_CMD_STOP (1) 1949 #define V4L2_ENC_CMD_PAUSE (2) 1950 #define V4L2_ENC_CMD_RESUME (3) 1951 1952 /* Flags for V4L2_ENC_CMD_STOP */ 1953 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 1954 1955 struct v4l2_encoder_cmd { 1956 __u32 cmd; 1957 __u32 flags; 1958 union { 1959 struct { 1960 __u32 data[8]; 1961 } raw; 1962 }; 1963 }; 1964 1965 /* Decoder commands */ 1966 #define V4L2_DEC_CMD_START (0) 1967 #define V4L2_DEC_CMD_STOP (1) 1968 #define V4L2_DEC_CMD_PAUSE (2) 1969 #define V4L2_DEC_CMD_RESUME (3) 1970 1971 /* Flags for V4L2_DEC_CMD_START */ 1972 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 1973 1974 /* Flags for V4L2_DEC_CMD_PAUSE */ 1975 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 1976 1977 /* Flags for V4L2_DEC_CMD_STOP */ 1978 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 1979 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 1980 1981 /* Play format requirements (returned by the driver): */ 1982 1983 /* The decoder has no special format requirements */ 1984 #define V4L2_DEC_START_FMT_NONE (0) 1985 /* The decoder requires full GOPs */ 1986 #define V4L2_DEC_START_FMT_GOP (1) 1987 1988 /* The structure must be zeroed before use by the application 1989 This ensures it can be extended safely in the future. */ 1990 struct v4l2_decoder_cmd { 1991 __u32 cmd; 1992 __u32 flags; 1993 union { 1994 struct { 1995 __u64 pts; 1996 } stop; 1997 1998 struct { 1999 /* 0 or 1000 specifies normal speed, 2000 1 specifies forward single stepping, 2001 -1 specifies backward single stepping, 2002 >1: playback at speed/1000 of the normal speed, 2003 <-1: reverse playback at (-speed/1000) of the normal speed. */ 2004 __s32 speed; 2005 __u32 format; 2006 } start; 2007 2008 struct { 2009 __u32 data[16]; 2010 } raw; 2011 }; 2012 }; 2013 #endif 2014 2015 2016 /* 2017 * D A T A S E R V I C E S ( V B I ) 2018 * 2019 * Data services API by Michael Schimek 2020 */ 2021 2022 /* Raw VBI */ 2023 struct v4l2_vbi_format { 2024 __u32 sampling_rate; /* in 1 Hz */ 2025 __u32 offset; 2026 __u32 samples_per_line; 2027 __u32 sample_format; /* V4L2_PIX_FMT_* */ 2028 __s32 start[2]; 2029 __u32 count[2]; 2030 __u32 flags; /* V4L2_VBI_* */ 2031 __u32 reserved[2]; /* must be zero */ 2032 }; 2033 2034 /* VBI flags */ 2035 #define V4L2_VBI_UNSYNC (1 << 0) 2036 #define V4L2_VBI_INTERLACED (1 << 1) 2037 2038 /* ITU-R start lines for each field */ 2039 #define V4L2_VBI_ITU_525_F1_START (1) 2040 #define V4L2_VBI_ITU_525_F2_START (264) 2041 #define V4L2_VBI_ITU_625_F1_START (1) 2042 #define V4L2_VBI_ITU_625_F2_START (314) 2043 2044 /* Sliced VBI 2045 * 2046 * This implements is a proposal V4L2 API to allow SLICED VBI 2047 * required for some hardware encoders. It should change without 2048 * notice in the definitive implementation. 2049 */ 2050 2051 struct v4l2_sliced_vbi_format { 2052 __u16 service_set; 2053 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2054 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2055 (equals frame lines 313-336 for 625 line video 2056 standards, 263-286 for 525 line standards) */ 2057 __u16 service_lines[2][24]; 2058 __u32 io_size; 2059 __u32 reserved[2]; /* must be zero */ 2060 }; 2061 2062 /* Teletext World System Teletext 2063 (WST), defined on ITU-R BT.653-2 */ 2064 #define V4L2_SLICED_TELETEXT_B (0x0001) 2065 /* Video Program System, defined on ETS 300 231*/ 2066 #define V4L2_SLICED_VPS (0x0400) 2067 /* Closed Caption, defined on EIA-608 */ 2068 #define V4L2_SLICED_CAPTION_525 (0x1000) 2069 /* Wide Screen System, defined on ITU-R BT1119.1 */ 2070 #define V4L2_SLICED_WSS_625 (0x4000) 2071 2072 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 2073 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 2074 2075 struct v4l2_sliced_vbi_cap { 2076 __u16 service_set; 2077 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2078 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2079 (equals frame lines 313-336 for 625 line video 2080 standards, 263-286 for 525 line standards) */ 2081 __u16 service_lines[2][24]; 2082 __u32 type; /* enum v4l2_buf_type */ 2083 __u32 reserved[3]; /* must be 0 */ 2084 }; 2085 2086 struct v4l2_sliced_vbi_data { 2087 __u32 id; 2088 __u32 field; /* 0: first field, 1: second field */ 2089 __u32 line; /* 1-23 */ 2090 __u32 reserved; /* must be 0 */ 2091 __u8 data[48]; 2092 }; 2093 2094 /* 2095 * Sliced VBI data inserted into MPEG Streams 2096 */ 2097 2098 /* 2099 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 2100 * 2101 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 2102 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 2103 * data 2104 * 2105 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 2106 * definitions are not included here. See the MPEG-2 specifications for details 2107 * on these headers. 2108 */ 2109 2110 /* Line type IDs */ 2111 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 2112 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 2113 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 2114 #define V4L2_MPEG_VBI_IVTV_VPS (7) 2115 2116 struct v4l2_mpeg_vbi_itv0_line { 2117 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 2118 __u8 data[42]; /* Sliced VBI data for the line */ 2119 } __attribute__ ((packed)); 2120 2121 struct v4l2_mpeg_vbi_itv0 { 2122 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 2123 struct v4l2_mpeg_vbi_itv0_line line[35]; 2124 } __attribute__ ((packed)); 2125 2126 struct v4l2_mpeg_vbi_ITV0 { 2127 struct v4l2_mpeg_vbi_itv0_line line[36]; 2128 } __attribute__ ((packed)); 2129 2130 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 2131 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 2132 2133 struct v4l2_mpeg_vbi_fmt_ivtv { 2134 __u8 magic[4]; 2135 union { 2136 struct v4l2_mpeg_vbi_itv0 itv0; 2137 struct v4l2_mpeg_vbi_ITV0 ITV0; 2138 }; 2139 } __attribute__ ((packed)); 2140 2141 /* 2142 * A G G R E G A T E S T R U C T U R E S 2143 */ 2144 2145 /** 2146 * struct v4l2_plane_pix_format - additional, per-plane format definition 2147 * @sizeimage: maximum size in bytes required for data, for which 2148 * this plane will be used 2149 * @bytesperline: distance in bytes between the leftmost pixels in two 2150 * adjacent lines 2151 */ 2152 struct v4l2_plane_pix_format { 2153 __u32 sizeimage; 2154 __u32 bytesperline; 2155 __u16 reserved[6]; 2156 } __attribute__ ((packed)); 2157 2158 /** 2159 * struct v4l2_pix_format_mplane - multiplanar format definition 2160 * @width: image width in pixels 2161 * @height: image height in pixels 2162 * @pixelformat: little endian four character code (fourcc) 2163 * @field: enum v4l2_field; field order (for interlaced video) 2164 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 2165 * @plane_fmt: per-plane information 2166 * @num_planes: number of planes for this format 2167 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 2168 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding 2169 * @quantization: enum v4l2_quantization, colorspace quantization 2170 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function 2171 */ 2172 struct v4l2_pix_format_mplane { 2173 __u32 width; 2174 __u32 height; 2175 __u32 pixelformat; 2176 __u32 field; 2177 __u32 colorspace; 2178 2179 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 2180 __u8 num_planes; 2181 __u8 flags; 2182 union { 2183 __u8 ycbcr_enc; 2184 __u8 hsv_enc; 2185 }; 2186 __u8 quantization; 2187 __u8 xfer_func; 2188 __u8 reserved[7]; 2189 } __attribute__ ((packed)); 2190 2191 /** 2192 * struct v4l2_sdr_format - SDR format definition 2193 * @pixelformat: little endian four character code (fourcc) 2194 * @buffersize: maximum size in bytes required for data 2195 */ 2196 struct v4l2_sdr_format { 2197 __u32 pixelformat; 2198 __u32 buffersize; 2199 __u8 reserved[24]; 2200 } __attribute__ ((packed)); 2201 2202 /** 2203 * struct v4l2_meta_format - metadata format definition 2204 * @dataformat: little endian four character code (fourcc) 2205 * @buffersize: maximum size in bytes required for data 2206 */ 2207 struct v4l2_meta_format { 2208 __u32 dataformat; 2209 __u32 buffersize; 2210 } __attribute__ ((packed)); 2211 2212 /** 2213 * struct v4l2_format - stream data format 2214 * @type: enum v4l2_buf_type; type of the data stream 2215 * @pix: definition of an image format 2216 * @pix_mp: definition of a multiplanar image format 2217 * @win: definition of an overlaid image 2218 * @vbi: raw VBI capture or output parameters 2219 * @sliced: sliced VBI capture or output parameters 2220 * @raw_data: placeholder for future extensions and custom formats 2221 */ 2222 struct v4l2_format { 2223 __u32 type; 2224 union { 2225 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 2226 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 2227 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 2228 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 2229 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 2230 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 2231 struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */ 2232 __u8 raw_data[200]; /* user-defined */ 2233 } fmt; 2234 }; 2235 2236 /* Stream type-dependent parameters 2237 */ 2238 struct v4l2_streamparm { 2239 __u32 type; /* enum v4l2_buf_type */ 2240 union { 2241 struct v4l2_captureparm capture; 2242 struct v4l2_outputparm output; 2243 __u8 raw_data[200]; /* user-defined */ 2244 } parm; 2245 }; 2246 2247 /* 2248 * E V E N T S 2249 */ 2250 2251 #define V4L2_EVENT_ALL 0 2252 #define V4L2_EVENT_VSYNC 1 2253 #define V4L2_EVENT_EOS 2 2254 #define V4L2_EVENT_CTRL 3 2255 #define V4L2_EVENT_FRAME_SYNC 4 2256 #define V4L2_EVENT_SOURCE_CHANGE 5 2257 #define V4L2_EVENT_MOTION_DET 6 2258 #define V4L2_EVENT_PRIVATE_START 0x08000000 2259 2260 /* Payload for V4L2_EVENT_VSYNC */ 2261 struct v4l2_event_vsync { 2262 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 2263 __u8 field; 2264 } __attribute__ ((packed)); 2265 2266 /* Payload for V4L2_EVENT_CTRL */ 2267 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 2268 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 2269 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 2270 2271 struct v4l2_event_ctrl { 2272 __u32 changes; 2273 __u32 type; 2274 union { 2275 __s32 value; 2276 __s64 value64; 2277 }; 2278 __u32 flags; 2279 __s32 minimum; 2280 __s32 maximum; 2281 __s32 step; 2282 __s32 default_value; 2283 }; 2284 2285 struct v4l2_event_frame_sync { 2286 __u32 frame_sequence; 2287 }; 2288 2289 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 2290 2291 struct v4l2_event_src_change { 2292 __u32 changes; 2293 }; 2294 2295 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 2296 2297 /** 2298 * struct v4l2_event_motion_det - motion detection event 2299 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 2300 * frame_sequence field is valid. 2301 * @frame_sequence: the frame sequence number associated with this event. 2302 * @region_mask: which regions detected motion. 2303 */ 2304 struct v4l2_event_motion_det { 2305 __u32 flags; 2306 __u32 frame_sequence; 2307 __u32 region_mask; 2308 }; 2309 2310 struct v4l2_event { 2311 __u32 type; 2312 union { 2313 struct v4l2_event_vsync vsync; 2314 struct v4l2_event_ctrl ctrl; 2315 struct v4l2_event_frame_sync frame_sync; 2316 struct v4l2_event_src_change src_change; 2317 struct v4l2_event_motion_det motion_det; 2318 __u8 data[64]; 2319 } u; 2320 __u32 pending; 2321 __u32 sequence; 2322 struct timespec timestamp; 2323 __u32 id; 2324 __u32 reserved[8]; 2325 }; 2326 2327 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2328 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2329 2330 struct v4l2_event_subscription { 2331 __u32 type; 2332 __u32 id; 2333 __u32 flags; 2334 __u32 reserved[5]; 2335 }; 2336 2337 /* 2338 * A D V A N C E D D E B U G G I N G 2339 * 2340 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2341 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2342 */ 2343 2344 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2345 2346 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2347 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2348 2349 /* The following four defines are no longer in use */ 2350 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2351 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2352 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2353 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2354 2355 struct v4l2_dbg_match { 2356 __u32 type; /* Match type */ 2357 union { /* Match this chip, meaning determined by type */ 2358 __u32 addr; 2359 char name[32]; 2360 }; 2361 } __attribute__ ((packed)); 2362 2363 struct v4l2_dbg_register { 2364 struct v4l2_dbg_match match; 2365 __u32 size; /* register size in bytes */ 2366 __u64 reg; 2367 __u64 val; 2368 } __attribute__ ((packed)); 2369 2370 #define V4L2_CHIP_FL_READABLE (1 << 0) 2371 #define V4L2_CHIP_FL_WRITABLE (1 << 1) 2372 2373 /* VIDIOC_DBG_G_CHIP_INFO */ 2374 struct v4l2_dbg_chip_info { 2375 struct v4l2_dbg_match match; 2376 char name[32]; 2377 __u32 flags; 2378 __u32 reserved[32]; 2379 } __attribute__ ((packed)); 2380 2381 /** 2382 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2383 * @index: on return, index of the first created buffer 2384 * @count: entry: number of requested buffers, 2385 * return: number of created buffers 2386 * @memory: enum v4l2_memory; buffer memory type 2387 * @format: frame format, for which buffers are requested 2388 * @capabilities: capabilities of this buffer type. 2389 * @reserved: future extensions 2390 */ 2391 struct v4l2_create_buffers { 2392 __u32 index; 2393 __u32 count; 2394 __u32 memory; 2395 struct v4l2_format format; 2396 __u32 capabilities; 2397 __u32 reserved[7]; 2398 }; 2399 2400 /* 2401 * 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 2402 * 2403 */ 2404 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2405 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2406 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2407 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2408 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2409 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2410 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2411 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2412 #define VIDIOC_OVERLAY _IOW('V', 14, int) 2413 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2414 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2415 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2416 #define VIDIOC_STREAMON _IOW('V', 18, int) 2417 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 2418 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2419 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2420 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2421 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2422 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2423 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2424 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2425 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2426 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2427 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2428 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2429 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2430 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2431 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2432 #define VIDIOC_G_INPUT _IOR('V', 38, int) 2433 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 2434 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2435 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2436 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2437 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2438 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2439 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2440 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2441 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2442 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2443 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2444 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2445 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2446 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2447 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2448 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2449 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2450 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2451 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2452 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2453 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2454 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2455 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2456 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2457 #define VIDIOC_LOG_STATUS _IO('V', 70) 2458 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2459 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2460 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2461 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2462 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2463 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2464 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2465 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2466 2467 /* 2468 * Experimental, meant for debugging, testing and internal use. 2469 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2470 * You must be root to use these ioctls. Never use these in applications! 2471 */ 2472 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2473 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2474 2475 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2476 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2477 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2478 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2479 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2480 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2481 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2482 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2483 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2484 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2485 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2486 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2487 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2488 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2489 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2490 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2491 2492 /* 2493 * Experimental, meant for debugging, testing and internal use. 2494 * Never use this in applications! 2495 */ 2496 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2497 2498 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2499 2500 /* Reminder: when adding new ioctls please add support for them to 2501 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */ 2502 2503 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2504 2505 #endif /* _UAPI__LINUX_VIDEODEV2_H */ 2506