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 struct v4l2_area { 426 __u32 width; 427 __u32 height; 428 }; 429 430 /** 431 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 432 * 433 * @driver: name of the driver module (e.g. "bttv") 434 * @card: name of the card (e.g. "Hauppauge WinTV") 435 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 436 * @version: KERNEL_VERSION 437 * @capabilities: capabilities of the physical device as a whole 438 * @device_caps: capabilities accessed via this particular device (node) 439 * @reserved: reserved fields for future extensions 440 */ 441 struct v4l2_capability { 442 __u8 driver[16]; 443 __u8 card[32]; 444 __u8 bus_info[32]; 445 __u32 version; 446 __u32 capabilities; 447 __u32 device_caps; 448 __u32 reserved[3]; 449 }; 450 451 /* Values for 'capabilities' field */ 452 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 453 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 454 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 455 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 456 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 457 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 458 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 459 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 460 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 461 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 462 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 463 464 /* Is a video capture device that supports multiplanar formats */ 465 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 466 /* Is a video output device that supports multiplanar formats */ 467 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 468 /* Is a video mem-to-mem device that supports multiplanar formats */ 469 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 470 /* Is a video mem-to-mem device */ 471 #define V4L2_CAP_VIDEO_M2M 0x00008000 472 473 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 474 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 475 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 476 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 477 478 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */ 479 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */ 480 #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */ 481 #define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */ 482 483 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 484 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 485 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 486 #define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */ 487 488 #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */ 489 490 #define V4L2_CAP_IO_MC 0x20000000 /* Is input/output controlled by the media controller */ 491 492 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 493 494 /* 495 * V I D E O I M A G E F O R M A T 496 */ 497 struct v4l2_pix_format { 498 __u32 width; 499 __u32 height; 500 __u32 pixelformat; 501 __u32 field; /* enum v4l2_field */ 502 __u32 bytesperline; /* for padding, zero if unused */ 503 __u32 sizeimage; 504 __u32 colorspace; /* enum v4l2_colorspace */ 505 __u32 priv; /* private data, depends on pixelformat */ 506 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ 507 union { 508 /* enum v4l2_ycbcr_encoding */ 509 __u32 ycbcr_enc; 510 /* enum v4l2_hsv_encoding */ 511 __u32 hsv_enc; 512 }; 513 __u32 quantization; /* enum v4l2_quantization */ 514 __u32 xfer_func; /* enum v4l2_xfer_func */ 515 }; 516 517 /* Pixel format FOURCC depth Description */ 518 519 /* RGB formats */ 520 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 521 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 522 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */ 523 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */ 524 #define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2') /* 16 rrrrgggg bbbbaaaa */ 525 #define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16 rrrrgggg bbbbxxxx */ 526 #define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16 aaaabbbb ggggrrrr */ 527 #define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16 xxxxbbbb ggggrrrr */ 528 529 /* 530 * Originally this had 'BA12' as fourcc, but this clashed with the older 531 * V4L2_PIX_FMT_SGRBG12 which inexplicably used that same fourcc. 532 * So use 'GA12' instead for V4L2_PIX_FMT_BGRA444. 533 */ 534 #define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('G', 'A', '1', '2') /* 16 bbbbgggg rrrraaaa */ 535 #define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16 bbbbgggg rrrrxxxx */ 536 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 537 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */ 538 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */ 539 #define V4L2_PIX_FMT_RGBA555 v4l2_fourcc('R', 'A', '1', '5') /* 16 RGBA-5-5-5-1 */ 540 #define V4L2_PIX_FMT_RGBX555 v4l2_fourcc('R', 'X', '1', '5') /* 16 RGBX-5-5-5-1 */ 541 #define V4L2_PIX_FMT_ABGR555 v4l2_fourcc('A', 'B', '1', '5') /* 16 ABGR-1-5-5-5 */ 542 #define V4L2_PIX_FMT_XBGR555 v4l2_fourcc('X', 'B', '1', '5') /* 16 XBGR-1-5-5-5 */ 543 #define V4L2_PIX_FMT_BGRA555 v4l2_fourcc('B', 'A', '1', '5') /* 16 BGRA-5-5-5-1 */ 544 #define V4L2_PIX_FMT_BGRX555 v4l2_fourcc('B', 'X', '1', '5') /* 16 BGRX-5-5-5-1 */ 545 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 546 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 547 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */ 548 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */ 549 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 550 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 551 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 552 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 553 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 554 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */ 555 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */ 556 #define V4L2_PIX_FMT_BGRA32 v4l2_fourcc('R', 'A', '2', '4') /* 32 ABGR-8-8-8-8 */ 557 #define V4L2_PIX_FMT_BGRX32 v4l2_fourcc('R', 'X', '2', '4') /* 32 XBGR-8-8-8-8 */ 558 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 559 #define V4L2_PIX_FMT_RGBA32 v4l2_fourcc('A', 'B', '2', '4') /* 32 RGBA-8-8-8-8 */ 560 #define V4L2_PIX_FMT_RGBX32 v4l2_fourcc('X', 'B', '2', '4') /* 32 RGBX-8-8-8-8 */ 561 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */ 562 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */ 563 564 /* Grey formats */ 565 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 566 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 567 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 568 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 569 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 570 #define V4L2_PIX_FMT_Y14 v4l2_fourcc('Y', '1', '4', ' ') /* 14 Greyscale */ 571 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 572 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */ 573 574 /* Grey bit-packed formats */ 575 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 576 #define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */ 577 578 /* Palette formats */ 579 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 580 581 /* Chrominance formats */ 582 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 583 584 /* Luminance+Chrominance formats */ 585 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 586 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 587 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 588 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 589 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 590 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 591 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 592 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 593 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 594 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 595 #define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */ 596 #define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */ 597 #define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */ 598 #define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */ 599 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */ 600 #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */ 601 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 602 603 /* two planes -- one Y, one Cr + Cb interleaved */ 604 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 605 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 606 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 607 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 608 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 609 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 610 611 /* two non contiguous planes - one Y, one Cr + Cb interleaved */ 612 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 613 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 614 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ 615 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ 616 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */ 617 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */ 618 619 /* three planes - Y Cb, Cr */ 620 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 621 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 622 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */ 623 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 624 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 625 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 626 627 /* three non contiguous planes - Y, Cb, Cr */ 628 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 629 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 630 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */ 631 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */ 632 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */ 633 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */ 634 635 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 636 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 637 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 638 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 639 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 640 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 641 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 642 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 643 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 644 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ 645 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') 646 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') 647 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') 648 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') 649 /* 10bit raw bayer a-law compressed to 8 bits */ 650 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 651 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 652 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 653 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 654 /* 10bit raw bayer DPCM compressed to 8 bits */ 655 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 656 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 657 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 658 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 659 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 660 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 661 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 662 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 663 /* 12bit raw bayer packed, 6 bytes for every 4 pixels */ 664 #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C') 665 #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C') 666 #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C') 667 #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C') 668 #define V4L2_PIX_FMT_SBGGR14 v4l2_fourcc('B', 'G', '1', '4') /* 14 BGBG.. GRGR.. */ 669 #define V4L2_PIX_FMT_SGBRG14 v4l2_fourcc('G', 'B', '1', '4') /* 14 GBGB.. RGRG.. */ 670 #define V4L2_PIX_FMT_SGRBG14 v4l2_fourcc('G', 'R', '1', '4') /* 14 GRGR.. BGBG.. */ 671 #define V4L2_PIX_FMT_SRGGB14 v4l2_fourcc('R', 'G', '1', '4') /* 14 RGRG.. GBGB.. */ 672 /* 14bit raw bayer packed, 7 bytes for every 4 pixels */ 673 #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E') 674 #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E') 675 #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E') 676 #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E') 677 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 678 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */ 679 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */ 680 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */ 681 682 /* HSV formats */ 683 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3') 684 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4') 685 686 /* compressed formats */ 687 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 688 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 689 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 690 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 691 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 692 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 693 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 694 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 695 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 696 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 697 #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */ 698 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 699 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 700 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 701 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 702 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 703 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */ 704 #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */ 705 #define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */ 706 #define V4L2_PIX_FMT_FWHT_STATELESS v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */ 707 708 /* Vendor-specific formats */ 709 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 710 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 711 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 712 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 713 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 714 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 715 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 716 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 717 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 718 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 719 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 720 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 721 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 722 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 723 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 724 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 725 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 726 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 727 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 728 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 729 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 730 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 731 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 732 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 733 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 734 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 735 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */ 736 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */ 737 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */ 738 #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */ 739 #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */ 740 #define V4L2_PIX_FMT_SUNXI_TILED_NV12 v4l2_fourcc('S', 'T', '1', '2') /* Sunxi Tiled NV12 Format */ 741 #define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */ 742 743 /* 10bit raw bayer packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */ 744 #define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */ 745 #define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */ 746 #define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */ 747 #define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */ 748 749 /* SDR formats - used only for Software Defined Radio devices */ 750 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 751 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 752 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 753 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 754 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 755 #define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */ 756 #define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */ 757 #define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */ 758 759 /* Touch formats - used for Touch devices */ 760 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */ 761 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */ 762 #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */ 763 #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */ 764 765 /* Meta-data formats */ 766 #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */ 767 #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */ 768 #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */ 769 #define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */ 770 #define V4L2_META_FMT_VIVID v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */ 771 772 /* priv field value to indicates that subsequent fields are valid. */ 773 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 774 775 /* Flags */ 776 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 777 778 /* 779 * F O R M A T E N U M E R A T I O N 780 */ 781 struct v4l2_fmtdesc { 782 __u32 index; /* Format number */ 783 __u32 type; /* enum v4l2_buf_type */ 784 __u32 flags; 785 __u8 description[32]; /* Description string */ 786 __u32 pixelformat; /* Format fourcc */ 787 __u32 mbus_code; /* Media bus code */ 788 __u32 reserved[3]; 789 }; 790 791 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 792 #define V4L2_FMT_FLAG_EMULATED 0x0002 793 #define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM 0x0004 794 #define V4L2_FMT_FLAG_DYN_RESOLUTION 0x0008 795 796 /* Frame Size and frame rate enumeration */ 797 /* 798 * F R A M E S I Z E E N U M E R A T I O N 799 */ 800 enum v4l2_frmsizetypes { 801 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 802 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 803 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 804 }; 805 806 struct v4l2_frmsize_discrete { 807 __u32 width; /* Frame width [pixel] */ 808 __u32 height; /* Frame height [pixel] */ 809 }; 810 811 struct v4l2_frmsize_stepwise { 812 __u32 min_width; /* Minimum frame width [pixel] */ 813 __u32 max_width; /* Maximum frame width [pixel] */ 814 __u32 step_width; /* Frame width step size [pixel] */ 815 __u32 min_height; /* Minimum frame height [pixel] */ 816 __u32 max_height; /* Maximum frame height [pixel] */ 817 __u32 step_height; /* Frame height step size [pixel] */ 818 }; 819 820 struct v4l2_frmsizeenum { 821 __u32 index; /* Frame size number */ 822 __u32 pixel_format; /* Pixel format */ 823 __u32 type; /* Frame size type the device supports. */ 824 825 union { /* Frame size */ 826 struct v4l2_frmsize_discrete discrete; 827 struct v4l2_frmsize_stepwise stepwise; 828 }; 829 830 __u32 reserved[2]; /* Reserved space for future use */ 831 }; 832 833 /* 834 * F R A M E R A T E E N U M E R A T I O N 835 */ 836 enum v4l2_frmivaltypes { 837 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 838 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 839 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 840 }; 841 842 struct v4l2_frmival_stepwise { 843 struct v4l2_fract min; /* Minimum frame interval [s] */ 844 struct v4l2_fract max; /* Maximum frame interval [s] */ 845 struct v4l2_fract step; /* Frame interval step size [s] */ 846 }; 847 848 struct v4l2_frmivalenum { 849 __u32 index; /* Frame format index */ 850 __u32 pixel_format; /* Pixel format */ 851 __u32 width; /* Frame width */ 852 __u32 height; /* Frame height */ 853 __u32 type; /* Frame interval type the device supports. */ 854 855 union { /* Frame interval */ 856 struct v4l2_fract discrete; 857 struct v4l2_frmival_stepwise stepwise; 858 }; 859 860 __u32 reserved[2]; /* Reserved space for future use */ 861 }; 862 863 /* 864 * T I M E C O D E 865 */ 866 struct v4l2_timecode { 867 __u32 type; 868 __u32 flags; 869 __u8 frames; 870 __u8 seconds; 871 __u8 minutes; 872 __u8 hours; 873 __u8 userbits[4]; 874 }; 875 876 /* Type */ 877 #define V4L2_TC_TYPE_24FPS 1 878 #define V4L2_TC_TYPE_25FPS 2 879 #define V4L2_TC_TYPE_30FPS 3 880 #define V4L2_TC_TYPE_50FPS 4 881 #define V4L2_TC_TYPE_60FPS 5 882 883 /* Flags */ 884 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 885 #define V4L2_TC_FLAG_COLORFRAME 0x0002 886 #define V4L2_TC_USERBITS_field 0x000C 887 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 888 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 889 /* The above is based on SMPTE timecodes */ 890 891 struct v4l2_jpegcompression { 892 int quality; 893 894 int APPn; /* Number of APP segment to be written, 895 * must be 0..15 */ 896 int APP_len; /* Length of data in JPEG APPn segment */ 897 char APP_data[60]; /* Data in the JPEG APPn segment. */ 898 899 int COM_len; /* Length of data in JPEG COM segment */ 900 char COM_data[60]; /* Data in JPEG COM segment */ 901 902 __u32 jpeg_markers; /* Which markers should go into the JPEG 903 * output. Unless you exactly know what 904 * you do, leave them untouched. 905 * Including less markers will make the 906 * resulting code smaller, but there will 907 * be fewer applications which can read it. 908 * The presence of the APP and COM marker 909 * is influenced by APP_len and COM_len 910 * ONLY, not by this property! */ 911 912 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 913 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 914 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 915 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 916 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 917 * always use APP0 */ 918 }; 919 920 /* 921 * M E M O R Y - M A P P I N G B U F F E R S 922 */ 923 924 #ifdef __KERNEL__ 925 /* 926 * This corresponds to the user space version of timeval 927 * for 64-bit time_t. sparc64 is different from everyone 928 * else, using the microseconds in the wrong half of the 929 * second 64-bit word. 930 */ 931 struct __kernel_v4l2_timeval { 932 long long tv_sec; 933 #if defined(__sparc__) && defined(__arch64__) 934 int tv_usec; 935 int __pad; 936 #else 937 long long tv_usec; 938 #endif 939 }; 940 #endif 941 942 struct v4l2_requestbuffers { 943 __u32 count; 944 __u32 type; /* enum v4l2_buf_type */ 945 __u32 memory; /* enum v4l2_memory */ 946 __u32 capabilities; 947 __u32 reserved[1]; 948 }; 949 950 /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */ 951 #define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0) 952 #define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1) 953 #define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2) 954 #define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3) 955 #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4) 956 #define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5) 957 958 /** 959 * struct v4l2_plane - plane info for multi-planar buffers 960 * @bytesused: number of bytes occupied by data in the plane (payload) 961 * @length: size of this plane (NOT the payload) in bytes 962 * @mem_offset: when memory in the associated struct v4l2_buffer is 963 * V4L2_MEMORY_MMAP, equals the offset from the start of 964 * the device memory for this plane (or is a "cookie" that 965 * should be passed to mmap() called on the video node) 966 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 967 * pointing to this plane 968 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 969 * descriptor associated with this plane 970 * @data_offset: offset in the plane to the start of data; usually 0, 971 * unless there is a header in front of the data 972 * 973 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 974 * with two planes can have one plane for Y, and another for interleaved CbCr 975 * components. Each plane can reside in a separate memory buffer, or even in 976 * a completely separate memory node (e.g. in embedded devices). 977 */ 978 struct v4l2_plane { 979 __u32 bytesused; 980 __u32 length; 981 union { 982 __u32 mem_offset; 983 unsigned long userptr; 984 __s32 fd; 985 } m; 986 __u32 data_offset; 987 __u32 reserved[11]; 988 }; 989 990 /** 991 * struct v4l2_buffer - video buffer info 992 * @index: id number of the buffer 993 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 994 * multiplanar buffers); 995 * @bytesused: number of bytes occupied by data in the buffer (payload); 996 * unused (set to 0) for multiplanar buffers 997 * @flags: buffer informational flags 998 * @field: enum v4l2_field; field order of the image in the buffer 999 * @timestamp: frame timestamp 1000 * @timecode: frame timecode 1001 * @sequence: sequence count of this frame 1002 * @memory: enum v4l2_memory; the method, in which the actual video data is 1003 * passed 1004 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 1005 * offset from the start of the device memory for this plane, 1006 * (or a "cookie" that should be passed to mmap() as offset) 1007 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 1008 * a userspace pointer pointing to this buffer 1009 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 1010 * a userspace file descriptor associated with this buffer 1011 * @planes: for multiplanar buffers; userspace pointer to the array of plane 1012 * info structs for this buffer 1013 * @length: size in bytes of the buffer (NOT its payload) for single-plane 1014 * buffers (when type != *_MPLANE); number of elements in the 1015 * planes array for multi-plane buffers 1016 * @request_fd: fd of the request that this buffer should use 1017 * 1018 * Contains data exchanged by application and driver using one of the Streaming 1019 * I/O methods. 1020 */ 1021 struct v4l2_buffer { 1022 __u32 index; 1023 __u32 type; 1024 __u32 bytesused; 1025 __u32 flags; 1026 __u32 field; 1027 #ifdef __KERNEL__ 1028 struct __kernel_v4l2_timeval timestamp; 1029 #else 1030 struct timeval timestamp; 1031 #endif 1032 struct v4l2_timecode timecode; 1033 __u32 sequence; 1034 1035 /* memory location */ 1036 __u32 memory; 1037 union { 1038 __u32 offset; 1039 unsigned long userptr; 1040 struct v4l2_plane *planes; 1041 __s32 fd; 1042 } m; 1043 __u32 length; 1044 __u32 reserved2; 1045 union { 1046 __s32 request_fd; 1047 __u32 reserved; 1048 }; 1049 }; 1050 1051 #ifndef __KERNEL__ 1052 /** 1053 * v4l2_timeval_to_ns - Convert timeval to nanoseconds 1054 * @ts: pointer to the timeval variable to be converted 1055 * 1056 * Returns the scalar nanosecond representation of the timeval 1057 * parameter. 1058 */ 1059 static inline __u64 v4l2_timeval_to_ns(const struct timeval *tv) 1060 { 1061 return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000; 1062 } 1063 #endif 1064 1065 /* Flags for 'flags' field */ 1066 /* Buffer is mapped (flag) */ 1067 #define V4L2_BUF_FLAG_MAPPED 0x00000001 1068 /* Buffer is queued for processing */ 1069 #define V4L2_BUF_FLAG_QUEUED 0x00000002 1070 /* Buffer is ready */ 1071 #define V4L2_BUF_FLAG_DONE 0x00000004 1072 /* Image is a keyframe (I-frame) */ 1073 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008 1074 /* Image is a P-frame */ 1075 #define V4L2_BUF_FLAG_PFRAME 0x00000010 1076 /* Image is a B-frame */ 1077 #define V4L2_BUF_FLAG_BFRAME 0x00000020 1078 /* Buffer is ready, but the data contained within is corrupted. */ 1079 #define V4L2_BUF_FLAG_ERROR 0x00000040 1080 /* Buffer is added to an unqueued request */ 1081 #define V4L2_BUF_FLAG_IN_REQUEST 0x00000080 1082 /* timecode field is valid */ 1083 #define V4L2_BUF_FLAG_TIMECODE 0x00000100 1084 /* Don't return the capture buffer until OUTPUT timestamp changes */ 1085 #define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF 0x00000200 1086 /* Buffer is prepared for queuing */ 1087 #define V4L2_BUF_FLAG_PREPARED 0x00000400 1088 /* Cache handling flags */ 1089 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 1090 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 1091 /* Timestamp type */ 1092 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 1093 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 1094 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 1095 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 1096 /* Timestamp sources. */ 1097 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 1098 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 1099 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 1100 /* mem2mem encoder/decoder */ 1101 #define V4L2_BUF_FLAG_LAST 0x00100000 1102 /* request_fd is valid */ 1103 #define V4L2_BUF_FLAG_REQUEST_FD 0x00800000 1104 1105 /** 1106 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 1107 * 1108 * @index: id number of the buffer 1109 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 1110 * multiplanar buffers); 1111 * @plane: index of the plane to be exported, 0 for single plane queues 1112 * @flags: flags for newly created file, currently only O_CLOEXEC is 1113 * supported, refer to manual of open syscall for more details 1114 * @fd: file descriptor associated with DMABUF (set by driver) 1115 * 1116 * Contains data used for exporting a video buffer as DMABUF file descriptor. 1117 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 1118 * (identical to the cookie used to mmap() the buffer to userspace). All 1119 * reserved fields must be set to zero. The field reserved0 is expected to 1120 * become a structure 'type' allowing an alternative layout of the structure 1121 * content. Therefore this field should not be used for any other extensions. 1122 */ 1123 struct v4l2_exportbuffer { 1124 __u32 type; /* enum v4l2_buf_type */ 1125 __u32 index; 1126 __u32 plane; 1127 __u32 flags; 1128 __s32 fd; 1129 __u32 reserved[11]; 1130 }; 1131 1132 /* 1133 * O V E R L A Y P R E V I E W 1134 */ 1135 struct v4l2_framebuffer { 1136 __u32 capability; 1137 __u32 flags; 1138 /* FIXME: in theory we should pass something like PCI device + memory 1139 * region + offset instead of some physical address */ 1140 void *base; 1141 struct { 1142 __u32 width; 1143 __u32 height; 1144 __u32 pixelformat; 1145 __u32 field; /* enum v4l2_field */ 1146 __u32 bytesperline; /* for padding, zero if unused */ 1147 __u32 sizeimage; 1148 __u32 colorspace; /* enum v4l2_colorspace */ 1149 __u32 priv; /* reserved field, set to 0 */ 1150 } fmt; 1151 }; 1152 /* Flags for the 'capability' field. Read only */ 1153 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 1154 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 1155 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 1156 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 1157 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 1158 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 1159 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 1160 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 1161 /* Flags for the 'flags' field. */ 1162 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 1163 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 1164 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 1165 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 1166 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 1167 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 1168 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 1169 1170 struct v4l2_clip { 1171 struct v4l2_rect c; 1172 struct v4l2_clip __user *next; 1173 }; 1174 1175 struct v4l2_window { 1176 struct v4l2_rect w; 1177 __u32 field; /* enum v4l2_field */ 1178 __u32 chromakey; 1179 struct v4l2_clip __user *clips; 1180 __u32 clipcount; 1181 void __user *bitmap; 1182 __u8 global_alpha; 1183 }; 1184 1185 /* 1186 * C A P T U R E P A R A M E T E R S 1187 */ 1188 struct v4l2_captureparm { 1189 __u32 capability; /* Supported modes */ 1190 __u32 capturemode; /* Current mode */ 1191 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1192 __u32 extendedmode; /* Driver-specific extensions */ 1193 __u32 readbuffers; /* # of buffers for read */ 1194 __u32 reserved[4]; 1195 }; 1196 1197 /* Flags for 'capability' and 'capturemode' fields */ 1198 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 1199 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 1200 1201 struct v4l2_outputparm { 1202 __u32 capability; /* Supported modes */ 1203 __u32 outputmode; /* Current mode */ 1204 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1205 __u32 extendedmode; /* Driver-specific extensions */ 1206 __u32 writebuffers; /* # of buffers for write */ 1207 __u32 reserved[4]; 1208 }; 1209 1210 /* 1211 * I N P U T I M A G E C R O P P I N G 1212 */ 1213 struct v4l2_cropcap { 1214 __u32 type; /* enum v4l2_buf_type */ 1215 struct v4l2_rect bounds; 1216 struct v4l2_rect defrect; 1217 struct v4l2_fract pixelaspect; 1218 }; 1219 1220 struct v4l2_crop { 1221 __u32 type; /* enum v4l2_buf_type */ 1222 struct v4l2_rect c; 1223 }; 1224 1225 /** 1226 * struct v4l2_selection - selection info 1227 * @type: buffer type (do not use *_MPLANE types) 1228 * @target: Selection target, used to choose one of possible rectangles; 1229 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 1230 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 1231 * @r: coordinates of selection window 1232 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 1233 * 1234 * Hardware may use multiple helper windows to process a video stream. 1235 * The structure is used to exchange this selection areas between 1236 * an application and a driver. 1237 */ 1238 struct v4l2_selection { 1239 __u32 type; 1240 __u32 target; 1241 __u32 flags; 1242 struct v4l2_rect r; 1243 __u32 reserved[9]; 1244 }; 1245 1246 1247 /* 1248 * A N A L O G V I D E O S T A N D A R D 1249 */ 1250 1251 typedef __u64 v4l2_std_id; 1252 1253 /* 1254 * Attention: Keep the V4L2_STD_* bit definitions in sync with 1255 * include/dt-bindings/display/sdtv-standards.h SDTV_STD_* bit definitions. 1256 */ 1257 /* one bit for each */ 1258 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 1259 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 1260 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 1261 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 1262 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 1263 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 1264 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 1265 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 1266 1267 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 1268 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 1269 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 1270 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 1271 1272 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 1273 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 1274 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 1275 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 1276 1277 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 1278 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 1279 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 1280 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 1281 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 1282 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 1283 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 1284 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 1285 1286 /* ATSC/HDTV */ 1287 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 1288 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 1289 1290 /* FIXME: 1291 Although std_id is 64 bits, there is an issue on PPC32 architecture that 1292 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 1293 this value to 32 bits. 1294 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 1295 it should work fine. However, if needed to add more than two standards, 1296 v4l2-common.c should be fixed. 1297 */ 1298 1299 /* 1300 * Some macros to merge video standards in order to make live easier for the 1301 * drivers and V4L2 applications 1302 */ 1303 1304 /* 1305 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 1306 * Missing here. 1307 */ 1308 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 1309 V4L2_STD_NTSC_M_JP |\ 1310 V4L2_STD_NTSC_M_KR) 1311 /* Secam macros */ 1312 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 1313 V4L2_STD_SECAM_K |\ 1314 V4L2_STD_SECAM_K1) 1315 /* All Secam Standards */ 1316 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 1317 V4L2_STD_SECAM_G |\ 1318 V4L2_STD_SECAM_H |\ 1319 V4L2_STD_SECAM_DK |\ 1320 V4L2_STD_SECAM_L |\ 1321 V4L2_STD_SECAM_LC) 1322 /* PAL macros */ 1323 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 1324 V4L2_STD_PAL_B1 |\ 1325 V4L2_STD_PAL_G) 1326 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1327 V4L2_STD_PAL_D1 |\ 1328 V4L2_STD_PAL_K) 1329 /* 1330 * "Common" PAL - This macro is there to be compatible with the old 1331 * V4L1 concept of "PAL": /BGDKHI. 1332 * Several PAL standards are missing here: /M, /N and /Nc 1333 */ 1334 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1335 V4L2_STD_PAL_DK |\ 1336 V4L2_STD_PAL_H |\ 1337 V4L2_STD_PAL_I) 1338 /* Chroma "agnostic" standards */ 1339 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 1340 V4L2_STD_PAL_B1 |\ 1341 V4L2_STD_SECAM_B) 1342 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 1343 V4L2_STD_SECAM_G) 1344 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 1345 V4L2_STD_SECAM_H) 1346 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1347 V4L2_STD_SECAM_LC) 1348 #define V4L2_STD_GH (V4L2_STD_G |\ 1349 V4L2_STD_H) 1350 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1351 V4L2_STD_SECAM_DK) 1352 #define V4L2_STD_BG (V4L2_STD_B |\ 1353 V4L2_STD_G) 1354 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1355 V4L2_STD_PAL_N |\ 1356 V4L2_STD_PAL_Nc |\ 1357 V4L2_STD_NTSC) 1358 1359 /* Standards where MTS/BTSC stereo could be found */ 1360 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1361 V4L2_STD_PAL_M |\ 1362 V4L2_STD_PAL_N |\ 1363 V4L2_STD_PAL_Nc) 1364 1365 /* Standards for Countries with 60Hz Line frequency */ 1366 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1367 V4L2_STD_PAL_60 |\ 1368 V4L2_STD_NTSC |\ 1369 V4L2_STD_NTSC_443) 1370 /* Standards for Countries with 50Hz Line frequency */ 1371 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1372 V4L2_STD_PAL_N |\ 1373 V4L2_STD_PAL_Nc |\ 1374 V4L2_STD_SECAM) 1375 1376 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1377 V4L2_STD_ATSC_16_VSB) 1378 /* Macros with none and all analog standards */ 1379 #define V4L2_STD_UNKNOWN 0 1380 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1381 V4L2_STD_625_50) 1382 1383 struct v4l2_standard { 1384 __u32 index; 1385 v4l2_std_id id; 1386 __u8 name[24]; 1387 struct v4l2_fract frameperiod; /* Frames, not fields */ 1388 __u32 framelines; 1389 __u32 reserved[4]; 1390 }; 1391 1392 /* 1393 * D V B T T I M I N G S 1394 */ 1395 1396 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1397 * @width: total width of the active video in pixels 1398 * @height: total height of the active video in lines 1399 * @interlaced: Interlaced or progressive 1400 * @polarities: Positive or negative polarities 1401 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1402 * @hfrontporch:Horizontal front porch in pixels 1403 * @hsync: Horizontal Sync length in pixels 1404 * @hbackporch: Horizontal back porch in pixels 1405 * @vfrontporch:Vertical front porch in lines 1406 * @vsync: Vertical Sync length in lines 1407 * @vbackporch: Vertical back porch in lines 1408 * @il_vfrontporch:Vertical front porch for the even field 1409 * (aka field 2) of interlaced field formats 1410 * @il_vsync: Vertical Sync length for the even field 1411 * (aka field 2) of interlaced field formats 1412 * @il_vbackporch:Vertical back porch for the even field 1413 * (aka field 2) of interlaced field formats 1414 * @standards: Standards the timing belongs to 1415 * @flags: Flags 1416 * @picture_aspect: The picture aspect ratio (hor/vert). 1417 * @cea861_vic: VIC code as per the CEA-861 standard. 1418 * @hdmi_vic: VIC code as per the HDMI standard. 1419 * @reserved: Reserved fields, must be zeroed. 1420 * 1421 * A note regarding vertical interlaced timings: height refers to the total 1422 * height of the active video frame (= two fields). The blanking timings refer 1423 * to the blanking of each field. So the height of the total frame is 1424 * calculated as follows: 1425 * 1426 * tot_height = height + vfrontporch + vsync + vbackporch + 1427 * il_vfrontporch + il_vsync + il_vbackporch 1428 * 1429 * The active height of each field is height / 2. 1430 */ 1431 struct v4l2_bt_timings { 1432 __u32 width; 1433 __u32 height; 1434 __u32 interlaced; 1435 __u32 polarities; 1436 __u64 pixelclock; 1437 __u32 hfrontporch; 1438 __u32 hsync; 1439 __u32 hbackporch; 1440 __u32 vfrontporch; 1441 __u32 vsync; 1442 __u32 vbackporch; 1443 __u32 il_vfrontporch; 1444 __u32 il_vsync; 1445 __u32 il_vbackporch; 1446 __u32 standards; 1447 __u32 flags; 1448 struct v4l2_fract picture_aspect; 1449 __u8 cea861_vic; 1450 __u8 hdmi_vic; 1451 __u8 reserved[46]; 1452 } __attribute__ ((packed)); 1453 1454 /* Interlaced or progressive format */ 1455 #define V4L2_DV_PROGRESSIVE 0 1456 #define V4L2_DV_INTERLACED 1 1457 1458 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1459 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1460 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1461 1462 /* Timings standards */ 1463 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1464 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1465 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1466 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1467 #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */ 1468 1469 /* Flags */ 1470 1471 /* 1472 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1473 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1474 * intervals are reduced, allowing a higher resolution over the same 1475 * bandwidth. This is a read-only flag. 1476 */ 1477 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1478 /* 1479 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1480 * of six. These formats can be optionally played at 1 / 1.001 speed. 1481 * This is a read-only flag. 1482 */ 1483 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1484 /* 1485 * CEA-861 specific: only valid for video transmitters, the flag is cleared 1486 * by receivers. 1487 * If the framerate of the format is a multiple of six, then the pixelclock 1488 * used to set up the transmitter is divided by 1.001 to make it compatible 1489 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1490 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1491 * such frequencies, then the flag will also be cleared. 1492 */ 1493 #define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1494 /* 1495 * Specific to interlaced formats: if set, then field 1 is really one half-line 1496 * longer and field 2 is really one half-line shorter, so each field has 1497 * exactly the same number of half-lines. Whether half-lines can be detected 1498 * or used depends on the hardware. 1499 */ 1500 #define V4L2_DV_FL_HALF_LINE (1 << 3) 1501 /* 1502 * If set, then this is a Consumer Electronics (CE) video format. Such formats 1503 * differ from other formats (commonly called IT formats) in that if RGB 1504 * encoding is used then by default the RGB values use limited range (i.e. 1505 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861 1506 * except for the 640x480 format are CE formats. 1507 */ 1508 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4) 1509 /* Some formats like SMPTE-125M have an interlaced signal with a odd 1510 * total height. For these formats, if this flag is set, the first 1511 * field has the extra line. If not, it is the second field. 1512 */ 1513 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5) 1514 /* 1515 * If set, then the picture_aspect field is valid. Otherwise assume that the 1516 * pixels are square, so the picture aspect ratio is the same as the width to 1517 * height ratio. 1518 */ 1519 #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6) 1520 /* 1521 * If set, then the cea861_vic field is valid and contains the Video 1522 * Identification Code as per the CEA-861 standard. 1523 */ 1524 #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7) 1525 /* 1526 * If set, then the hdmi_vic field is valid and contains the Video 1527 * Identification Code as per the HDMI standard (HDMI Vendor Specific 1528 * InfoFrame). 1529 */ 1530 #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8) 1531 /* 1532 * CEA-861 specific: only valid for video receivers. 1533 * If set, then HW can detect the difference between regular FPS and 1534 * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with 1535 * the V4L2_DV_FL_CAN_REDUCE_FPS flag set. 1536 */ 1537 #define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9) 1538 1539 /* A few useful defines to calculate the total blanking and frame sizes */ 1540 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1541 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1542 #define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1543 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1544 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1545 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1546 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) 1547 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1548 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1549 1550 /** struct v4l2_dv_timings - DV timings 1551 * @type: the type of the timings 1552 * @bt: BT656/1120 timings 1553 */ 1554 struct v4l2_dv_timings { 1555 __u32 type; 1556 union { 1557 struct v4l2_bt_timings bt; 1558 __u32 reserved[32]; 1559 }; 1560 } __attribute__ ((packed)); 1561 1562 /* Values for the type field */ 1563 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1564 1565 1566 /** struct v4l2_enum_dv_timings - DV timings enumeration 1567 * @index: enumeration index 1568 * @pad: the pad number for which to enumerate timings (used with 1569 * v4l-subdev nodes only) 1570 * @reserved: must be zeroed 1571 * @timings: the timings for the given index 1572 */ 1573 struct v4l2_enum_dv_timings { 1574 __u32 index; 1575 __u32 pad; 1576 __u32 reserved[2]; 1577 struct v4l2_dv_timings timings; 1578 }; 1579 1580 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1581 * @min_width: width in pixels 1582 * @max_width: width in pixels 1583 * @min_height: height in lines 1584 * @max_height: height in lines 1585 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1586 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1587 * @standards: Supported standards 1588 * @capabilities: Supported capabilities 1589 * @reserved: Must be zeroed 1590 */ 1591 struct v4l2_bt_timings_cap { 1592 __u32 min_width; 1593 __u32 max_width; 1594 __u32 min_height; 1595 __u32 max_height; 1596 __u64 min_pixelclock; 1597 __u64 max_pixelclock; 1598 __u32 standards; 1599 __u32 capabilities; 1600 __u32 reserved[16]; 1601 } __attribute__ ((packed)); 1602 1603 /* Supports interlaced formats */ 1604 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1605 /* Supports progressive formats */ 1606 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1607 /* Supports CVT/GTF reduced blanking */ 1608 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1609 /* Supports custom formats */ 1610 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1611 1612 /** struct v4l2_dv_timings_cap - DV timings capabilities 1613 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1614 * @pad: the pad number for which to query capabilities (used with 1615 * v4l-subdev nodes only) 1616 * @bt: the BT656/1120 timings capabilities 1617 */ 1618 struct v4l2_dv_timings_cap { 1619 __u32 type; 1620 __u32 pad; 1621 __u32 reserved[2]; 1622 union { 1623 struct v4l2_bt_timings_cap bt; 1624 __u32 raw_data[32]; 1625 }; 1626 }; 1627 1628 1629 /* 1630 * V I D E O I N P U T S 1631 */ 1632 struct v4l2_input { 1633 __u32 index; /* Which input */ 1634 __u8 name[32]; /* Label */ 1635 __u32 type; /* Type of input */ 1636 __u32 audioset; /* Associated audios (bitfield) */ 1637 __u32 tuner; /* enum v4l2_tuner_type */ 1638 v4l2_std_id std; 1639 __u32 status; 1640 __u32 capabilities; 1641 __u32 reserved[3]; 1642 }; 1643 1644 /* Values for the 'type' field */ 1645 #define V4L2_INPUT_TYPE_TUNER 1 1646 #define V4L2_INPUT_TYPE_CAMERA 2 1647 #define V4L2_INPUT_TYPE_TOUCH 3 1648 1649 /* field 'status' - general */ 1650 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1651 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1652 #define V4L2_IN_ST_NO_COLOR 0x00000004 1653 1654 /* field 'status' - sensor orientation */ 1655 /* If sensor is mounted upside down set both bits */ 1656 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1657 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1658 1659 /* field 'status' - analog */ 1660 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1661 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1662 #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */ 1663 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */ 1664 1665 /* field 'status' - digital */ 1666 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1667 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1668 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1669 1670 /* field 'status' - VCR and set-top box */ 1671 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1672 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1673 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1674 1675 /* capabilities flags */ 1676 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1677 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1678 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1679 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1680 1681 /* 1682 * V I D E O O U T P U T S 1683 */ 1684 struct v4l2_output { 1685 __u32 index; /* Which output */ 1686 __u8 name[32]; /* Label */ 1687 __u32 type; /* Type of output */ 1688 __u32 audioset; /* Associated audios (bitfield) */ 1689 __u32 modulator; /* Associated modulator */ 1690 v4l2_std_id std; 1691 __u32 capabilities; 1692 __u32 reserved[3]; 1693 }; 1694 /* Values for the 'type' field */ 1695 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1696 #define V4L2_OUTPUT_TYPE_ANALOG 2 1697 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1698 1699 /* capabilities flags */ 1700 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1701 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1702 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1703 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1704 1705 /* 1706 * C O N T R O L S 1707 */ 1708 struct v4l2_control { 1709 __u32 id; 1710 __s32 value; 1711 }; 1712 1713 struct v4l2_ext_control { 1714 __u32 id; 1715 __u32 size; 1716 __u32 reserved2[1]; 1717 union { 1718 __s32 value; 1719 __s64 value64; 1720 char __user *string; 1721 __u8 __user *p_u8; 1722 __u16 __user *p_u16; 1723 __u32 __user *p_u32; 1724 struct v4l2_area __user *p_area; 1725 void __user *ptr; 1726 }; 1727 } __attribute__ ((packed)); 1728 1729 struct v4l2_ext_controls { 1730 union { 1731 #ifndef __KERNEL__ 1732 __u32 ctrl_class; 1733 #endif 1734 __u32 which; 1735 }; 1736 __u32 count; 1737 __u32 error_idx; 1738 __s32 request_fd; 1739 __u32 reserved[1]; 1740 struct v4l2_ext_control *controls; 1741 }; 1742 1743 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1744 #ifndef __KERNEL__ 1745 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1746 #endif 1747 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL) 1748 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1749 #define V4L2_CTRL_MAX_DIMS (4) 1750 #define V4L2_CTRL_WHICH_CUR_VAL 0 1751 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000 1752 #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000 1753 1754 enum v4l2_ctrl_type { 1755 V4L2_CTRL_TYPE_INTEGER = 1, 1756 V4L2_CTRL_TYPE_BOOLEAN = 2, 1757 V4L2_CTRL_TYPE_MENU = 3, 1758 V4L2_CTRL_TYPE_BUTTON = 4, 1759 V4L2_CTRL_TYPE_INTEGER64 = 5, 1760 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1761 V4L2_CTRL_TYPE_STRING = 7, 1762 V4L2_CTRL_TYPE_BITMASK = 8, 1763 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1764 1765 /* Compound types are >= 0x0100 */ 1766 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1767 V4L2_CTRL_TYPE_U8 = 0x0100, 1768 V4L2_CTRL_TYPE_U16 = 0x0101, 1769 V4L2_CTRL_TYPE_U32 = 0x0102, 1770 V4L2_CTRL_TYPE_AREA = 0x0106, 1771 }; 1772 1773 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1774 struct v4l2_queryctrl { 1775 __u32 id; 1776 __u32 type; /* enum v4l2_ctrl_type */ 1777 __u8 name[32]; /* Whatever */ 1778 __s32 minimum; /* Note signedness */ 1779 __s32 maximum; 1780 __s32 step; 1781 __s32 default_value; 1782 __u32 flags; 1783 __u32 reserved[2]; 1784 }; 1785 1786 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1787 struct v4l2_query_ext_ctrl { 1788 __u32 id; 1789 __u32 type; 1790 char name[32]; 1791 __s64 minimum; 1792 __s64 maximum; 1793 __u64 step; 1794 __s64 default_value; 1795 __u32 flags; 1796 __u32 elem_size; 1797 __u32 elems; 1798 __u32 nr_of_dims; 1799 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1800 __u32 reserved[32]; 1801 }; 1802 1803 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1804 struct v4l2_querymenu { 1805 __u32 id; 1806 __u32 index; 1807 union { 1808 __u8 name[32]; /* Whatever */ 1809 __s64 value; 1810 }; 1811 __u32 reserved; 1812 } __attribute__ ((packed)); 1813 1814 /* Control flags */ 1815 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1816 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1817 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1818 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1819 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1820 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1821 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1822 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1823 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1824 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 1825 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400 1826 1827 /* Query flags, to be ORed with the control ID */ 1828 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1829 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1830 1831 /* User-class control IDs defined by V4L2 */ 1832 #define V4L2_CID_MAX_CTRLS 1024 1833 /* IDs reserved for driver specific controls */ 1834 #define V4L2_CID_PRIVATE_BASE 0x08000000 1835 1836 1837 /* 1838 * T U N I N G 1839 */ 1840 struct v4l2_tuner { 1841 __u32 index; 1842 __u8 name[32]; 1843 __u32 type; /* enum v4l2_tuner_type */ 1844 __u32 capability; 1845 __u32 rangelow; 1846 __u32 rangehigh; 1847 __u32 rxsubchans; 1848 __u32 audmode; 1849 __s32 signal; 1850 __s32 afc; 1851 __u32 reserved[4]; 1852 }; 1853 1854 struct v4l2_modulator { 1855 __u32 index; 1856 __u8 name[32]; 1857 __u32 capability; 1858 __u32 rangelow; 1859 __u32 rangehigh; 1860 __u32 txsubchans; 1861 __u32 type; /* enum v4l2_tuner_type */ 1862 __u32 reserved[3]; 1863 }; 1864 1865 /* Flags for the 'capability' field */ 1866 #define V4L2_TUNER_CAP_LOW 0x0001 1867 #define V4L2_TUNER_CAP_NORM 0x0002 1868 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1869 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1870 #define V4L2_TUNER_CAP_STEREO 0x0010 1871 #define V4L2_TUNER_CAP_LANG2 0x0020 1872 #define V4L2_TUNER_CAP_SAP 0x0020 1873 #define V4L2_TUNER_CAP_LANG1 0x0040 1874 #define V4L2_TUNER_CAP_RDS 0x0080 1875 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1876 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1877 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1878 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1879 #define V4L2_TUNER_CAP_1HZ 0x1000 1880 1881 /* Flags for the 'rxsubchans' field */ 1882 #define V4L2_TUNER_SUB_MONO 0x0001 1883 #define V4L2_TUNER_SUB_STEREO 0x0002 1884 #define V4L2_TUNER_SUB_LANG2 0x0004 1885 #define V4L2_TUNER_SUB_SAP 0x0004 1886 #define V4L2_TUNER_SUB_LANG1 0x0008 1887 #define V4L2_TUNER_SUB_RDS 0x0010 1888 1889 /* Values for the 'audmode' field */ 1890 #define V4L2_TUNER_MODE_MONO 0x0000 1891 #define V4L2_TUNER_MODE_STEREO 0x0001 1892 #define V4L2_TUNER_MODE_LANG2 0x0002 1893 #define V4L2_TUNER_MODE_SAP 0x0002 1894 #define V4L2_TUNER_MODE_LANG1 0x0003 1895 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1896 1897 struct v4l2_frequency { 1898 __u32 tuner; 1899 __u32 type; /* enum v4l2_tuner_type */ 1900 __u32 frequency; 1901 __u32 reserved[8]; 1902 }; 1903 1904 #define V4L2_BAND_MODULATION_VSB (1 << 1) 1905 #define V4L2_BAND_MODULATION_FM (1 << 2) 1906 #define V4L2_BAND_MODULATION_AM (1 << 3) 1907 1908 struct v4l2_frequency_band { 1909 __u32 tuner; 1910 __u32 type; /* enum v4l2_tuner_type */ 1911 __u32 index; 1912 __u32 capability; 1913 __u32 rangelow; 1914 __u32 rangehigh; 1915 __u32 modulation; 1916 __u32 reserved[9]; 1917 }; 1918 1919 struct v4l2_hw_freq_seek { 1920 __u32 tuner; 1921 __u32 type; /* enum v4l2_tuner_type */ 1922 __u32 seek_upward; 1923 __u32 wrap_around; 1924 __u32 spacing; 1925 __u32 rangelow; 1926 __u32 rangehigh; 1927 __u32 reserved[5]; 1928 }; 1929 1930 /* 1931 * R D S 1932 */ 1933 1934 struct v4l2_rds_data { 1935 __u8 lsb; 1936 __u8 msb; 1937 __u8 block; 1938 } __attribute__ ((packed)); 1939 1940 #define V4L2_RDS_BLOCK_MSK 0x7 1941 #define V4L2_RDS_BLOCK_A 0 1942 #define V4L2_RDS_BLOCK_B 1 1943 #define V4L2_RDS_BLOCK_C 2 1944 #define V4L2_RDS_BLOCK_D 3 1945 #define V4L2_RDS_BLOCK_C_ALT 4 1946 #define V4L2_RDS_BLOCK_INVALID 7 1947 1948 #define V4L2_RDS_BLOCK_CORRECTED 0x40 1949 #define V4L2_RDS_BLOCK_ERROR 0x80 1950 1951 /* 1952 * A U D I O 1953 */ 1954 struct v4l2_audio { 1955 __u32 index; 1956 __u8 name[32]; 1957 __u32 capability; 1958 __u32 mode; 1959 __u32 reserved[2]; 1960 }; 1961 1962 /* Flags for the 'capability' field */ 1963 #define V4L2_AUDCAP_STEREO 0x00001 1964 #define V4L2_AUDCAP_AVL 0x00002 1965 1966 /* Flags for the 'mode' field */ 1967 #define V4L2_AUDMODE_AVL 0x00001 1968 1969 struct v4l2_audioout { 1970 __u32 index; 1971 __u8 name[32]; 1972 __u32 capability; 1973 __u32 mode; 1974 __u32 reserved[2]; 1975 }; 1976 1977 /* 1978 * M P E G S E R V I C E S 1979 */ 1980 #if 1 1981 #define V4L2_ENC_IDX_FRAME_I (0) 1982 #define V4L2_ENC_IDX_FRAME_P (1) 1983 #define V4L2_ENC_IDX_FRAME_B (2) 1984 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 1985 1986 struct v4l2_enc_idx_entry { 1987 __u64 offset; 1988 __u64 pts; 1989 __u32 length; 1990 __u32 flags; 1991 __u32 reserved[2]; 1992 }; 1993 1994 #define V4L2_ENC_IDX_ENTRIES (64) 1995 struct v4l2_enc_idx { 1996 __u32 entries; 1997 __u32 entries_cap; 1998 __u32 reserved[4]; 1999 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 2000 }; 2001 2002 2003 #define V4L2_ENC_CMD_START (0) 2004 #define V4L2_ENC_CMD_STOP (1) 2005 #define V4L2_ENC_CMD_PAUSE (2) 2006 #define V4L2_ENC_CMD_RESUME (3) 2007 2008 /* Flags for V4L2_ENC_CMD_STOP */ 2009 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 2010 2011 struct v4l2_encoder_cmd { 2012 __u32 cmd; 2013 __u32 flags; 2014 union { 2015 struct { 2016 __u32 data[8]; 2017 } raw; 2018 }; 2019 }; 2020 2021 /* Decoder commands */ 2022 #define V4L2_DEC_CMD_START (0) 2023 #define V4L2_DEC_CMD_STOP (1) 2024 #define V4L2_DEC_CMD_PAUSE (2) 2025 #define V4L2_DEC_CMD_RESUME (3) 2026 #define V4L2_DEC_CMD_FLUSH (4) 2027 2028 /* Flags for V4L2_DEC_CMD_START */ 2029 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 2030 2031 /* Flags for V4L2_DEC_CMD_PAUSE */ 2032 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 2033 2034 /* Flags for V4L2_DEC_CMD_STOP */ 2035 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 2036 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 2037 2038 /* Play format requirements (returned by the driver): */ 2039 2040 /* The decoder has no special format requirements */ 2041 #define V4L2_DEC_START_FMT_NONE (0) 2042 /* The decoder requires full GOPs */ 2043 #define V4L2_DEC_START_FMT_GOP (1) 2044 2045 /* The structure must be zeroed before use by the application 2046 This ensures it can be extended safely in the future. */ 2047 struct v4l2_decoder_cmd { 2048 __u32 cmd; 2049 __u32 flags; 2050 union { 2051 struct { 2052 __u64 pts; 2053 } stop; 2054 2055 struct { 2056 /* 0 or 1000 specifies normal speed, 2057 1 specifies forward single stepping, 2058 -1 specifies backward single stepping, 2059 >1: playback at speed/1000 of the normal speed, 2060 <-1: reverse playback at (-speed/1000) of the normal speed. */ 2061 __s32 speed; 2062 __u32 format; 2063 } start; 2064 2065 struct { 2066 __u32 data[16]; 2067 } raw; 2068 }; 2069 }; 2070 #endif 2071 2072 2073 /* 2074 * D A T A S E R V I C E S ( V B I ) 2075 * 2076 * Data services API by Michael Schimek 2077 */ 2078 2079 /* Raw VBI */ 2080 struct v4l2_vbi_format { 2081 __u32 sampling_rate; /* in 1 Hz */ 2082 __u32 offset; 2083 __u32 samples_per_line; 2084 __u32 sample_format; /* V4L2_PIX_FMT_* */ 2085 __s32 start[2]; 2086 __u32 count[2]; 2087 __u32 flags; /* V4L2_VBI_* */ 2088 __u32 reserved[2]; /* must be zero */ 2089 }; 2090 2091 /* VBI flags */ 2092 #define V4L2_VBI_UNSYNC (1 << 0) 2093 #define V4L2_VBI_INTERLACED (1 << 1) 2094 2095 /* ITU-R start lines for each field */ 2096 #define V4L2_VBI_ITU_525_F1_START (1) 2097 #define V4L2_VBI_ITU_525_F2_START (264) 2098 #define V4L2_VBI_ITU_625_F1_START (1) 2099 #define V4L2_VBI_ITU_625_F2_START (314) 2100 2101 /* Sliced VBI 2102 * 2103 * This implements is a proposal V4L2 API to allow SLICED VBI 2104 * required for some hardware encoders. It should change without 2105 * notice in the definitive implementation. 2106 */ 2107 2108 struct v4l2_sliced_vbi_format { 2109 __u16 service_set; 2110 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2111 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2112 (equals frame lines 313-336 for 625 line video 2113 standards, 263-286 for 525 line standards) */ 2114 __u16 service_lines[2][24]; 2115 __u32 io_size; 2116 __u32 reserved[2]; /* must be zero */ 2117 }; 2118 2119 /* Teletext World System Teletext 2120 (WST), defined on ITU-R BT.653-2 */ 2121 #define V4L2_SLICED_TELETEXT_B (0x0001) 2122 /* Video Program System, defined on ETS 300 231*/ 2123 #define V4L2_SLICED_VPS (0x0400) 2124 /* Closed Caption, defined on EIA-608 */ 2125 #define V4L2_SLICED_CAPTION_525 (0x1000) 2126 /* Wide Screen System, defined on ITU-R BT1119.1 */ 2127 #define V4L2_SLICED_WSS_625 (0x4000) 2128 2129 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 2130 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 2131 2132 struct v4l2_sliced_vbi_cap { 2133 __u16 service_set; 2134 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2135 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2136 (equals frame lines 313-336 for 625 line video 2137 standards, 263-286 for 525 line standards) */ 2138 __u16 service_lines[2][24]; 2139 __u32 type; /* enum v4l2_buf_type */ 2140 __u32 reserved[3]; /* must be 0 */ 2141 }; 2142 2143 struct v4l2_sliced_vbi_data { 2144 __u32 id; 2145 __u32 field; /* 0: first field, 1: second field */ 2146 __u32 line; /* 1-23 */ 2147 __u32 reserved; /* must be 0 */ 2148 __u8 data[48]; 2149 }; 2150 2151 /* 2152 * Sliced VBI data inserted into MPEG Streams 2153 */ 2154 2155 /* 2156 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 2157 * 2158 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 2159 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 2160 * data 2161 * 2162 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 2163 * definitions are not included here. See the MPEG-2 specifications for details 2164 * on these headers. 2165 */ 2166 2167 /* Line type IDs */ 2168 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 2169 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 2170 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 2171 #define V4L2_MPEG_VBI_IVTV_VPS (7) 2172 2173 struct v4l2_mpeg_vbi_itv0_line { 2174 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 2175 __u8 data[42]; /* Sliced VBI data for the line */ 2176 } __attribute__ ((packed)); 2177 2178 struct v4l2_mpeg_vbi_itv0 { 2179 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 2180 struct v4l2_mpeg_vbi_itv0_line line[35]; 2181 } __attribute__ ((packed)); 2182 2183 struct v4l2_mpeg_vbi_ITV0 { 2184 struct v4l2_mpeg_vbi_itv0_line line[36]; 2185 } __attribute__ ((packed)); 2186 2187 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 2188 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 2189 2190 struct v4l2_mpeg_vbi_fmt_ivtv { 2191 __u8 magic[4]; 2192 union { 2193 struct v4l2_mpeg_vbi_itv0 itv0; 2194 struct v4l2_mpeg_vbi_ITV0 ITV0; 2195 }; 2196 } __attribute__ ((packed)); 2197 2198 /* 2199 * A G G R E G A T E S T R U C T U R E S 2200 */ 2201 2202 /** 2203 * struct v4l2_plane_pix_format - additional, per-plane format definition 2204 * @sizeimage: maximum size in bytes required for data, for which 2205 * this plane will be used 2206 * @bytesperline: distance in bytes between the leftmost pixels in two 2207 * adjacent lines 2208 */ 2209 struct v4l2_plane_pix_format { 2210 __u32 sizeimage; 2211 __u32 bytesperline; 2212 __u16 reserved[6]; 2213 } __attribute__ ((packed)); 2214 2215 /** 2216 * struct v4l2_pix_format_mplane - multiplanar format definition 2217 * @width: image width in pixels 2218 * @height: image height in pixels 2219 * @pixelformat: little endian four character code (fourcc) 2220 * @field: enum v4l2_field; field order (for interlaced video) 2221 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 2222 * @plane_fmt: per-plane information 2223 * @num_planes: number of planes for this format 2224 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 2225 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding 2226 * @quantization: enum v4l2_quantization, colorspace quantization 2227 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function 2228 */ 2229 struct v4l2_pix_format_mplane { 2230 __u32 width; 2231 __u32 height; 2232 __u32 pixelformat; 2233 __u32 field; 2234 __u32 colorspace; 2235 2236 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 2237 __u8 num_planes; 2238 __u8 flags; 2239 union { 2240 __u8 ycbcr_enc; 2241 __u8 hsv_enc; 2242 }; 2243 __u8 quantization; 2244 __u8 xfer_func; 2245 __u8 reserved[7]; 2246 } __attribute__ ((packed)); 2247 2248 /** 2249 * struct v4l2_sdr_format - SDR format definition 2250 * @pixelformat: little endian four character code (fourcc) 2251 * @buffersize: maximum size in bytes required for data 2252 */ 2253 struct v4l2_sdr_format { 2254 __u32 pixelformat; 2255 __u32 buffersize; 2256 __u8 reserved[24]; 2257 } __attribute__ ((packed)); 2258 2259 /** 2260 * struct v4l2_meta_format - metadata format definition 2261 * @dataformat: little endian four character code (fourcc) 2262 * @buffersize: maximum size in bytes required for data 2263 */ 2264 struct v4l2_meta_format { 2265 __u32 dataformat; 2266 __u32 buffersize; 2267 } __attribute__ ((packed)); 2268 2269 /** 2270 * struct v4l2_format - stream data format 2271 * @type: enum v4l2_buf_type; type of the data stream 2272 * @pix: definition of an image format 2273 * @pix_mp: definition of a multiplanar image format 2274 * @win: definition of an overlaid image 2275 * @vbi: raw VBI capture or output parameters 2276 * @sliced: sliced VBI capture or output parameters 2277 * @raw_data: placeholder for future extensions and custom formats 2278 */ 2279 struct v4l2_format { 2280 __u32 type; 2281 union { 2282 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 2283 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 2284 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 2285 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 2286 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 2287 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 2288 struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */ 2289 __u8 raw_data[200]; /* user-defined */ 2290 } fmt; 2291 }; 2292 2293 /* Stream type-dependent parameters 2294 */ 2295 struct v4l2_streamparm { 2296 __u32 type; /* enum v4l2_buf_type */ 2297 union { 2298 struct v4l2_captureparm capture; 2299 struct v4l2_outputparm output; 2300 __u8 raw_data[200]; /* user-defined */ 2301 } parm; 2302 }; 2303 2304 /* 2305 * E V E N T S 2306 */ 2307 2308 #define V4L2_EVENT_ALL 0 2309 #define V4L2_EVENT_VSYNC 1 2310 #define V4L2_EVENT_EOS 2 2311 #define V4L2_EVENT_CTRL 3 2312 #define V4L2_EVENT_FRAME_SYNC 4 2313 #define V4L2_EVENT_SOURCE_CHANGE 5 2314 #define V4L2_EVENT_MOTION_DET 6 2315 #define V4L2_EVENT_PRIVATE_START 0x08000000 2316 2317 /* Payload for V4L2_EVENT_VSYNC */ 2318 struct v4l2_event_vsync { 2319 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 2320 __u8 field; 2321 } __attribute__ ((packed)); 2322 2323 /* Payload for V4L2_EVENT_CTRL */ 2324 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 2325 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 2326 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 2327 2328 struct v4l2_event_ctrl { 2329 __u32 changes; 2330 __u32 type; 2331 union { 2332 __s32 value; 2333 __s64 value64; 2334 }; 2335 __u32 flags; 2336 __s32 minimum; 2337 __s32 maximum; 2338 __s32 step; 2339 __s32 default_value; 2340 }; 2341 2342 struct v4l2_event_frame_sync { 2343 __u32 frame_sequence; 2344 }; 2345 2346 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 2347 2348 struct v4l2_event_src_change { 2349 __u32 changes; 2350 }; 2351 2352 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 2353 2354 /** 2355 * struct v4l2_event_motion_det - motion detection event 2356 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 2357 * frame_sequence field is valid. 2358 * @frame_sequence: the frame sequence number associated with this event. 2359 * @region_mask: which regions detected motion. 2360 */ 2361 struct v4l2_event_motion_det { 2362 __u32 flags; 2363 __u32 frame_sequence; 2364 __u32 region_mask; 2365 }; 2366 2367 struct v4l2_event { 2368 __u32 type; 2369 union { 2370 struct v4l2_event_vsync vsync; 2371 struct v4l2_event_ctrl ctrl; 2372 struct v4l2_event_frame_sync frame_sync; 2373 struct v4l2_event_src_change src_change; 2374 struct v4l2_event_motion_det motion_det; 2375 __u8 data[64]; 2376 } u; 2377 __u32 pending; 2378 __u32 sequence; 2379 #ifdef __KERNEL__ 2380 struct __kernel_timespec timestamp; 2381 #else 2382 struct timespec timestamp; 2383 #endif 2384 __u32 id; 2385 __u32 reserved[8]; 2386 }; 2387 2388 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2389 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2390 2391 struct v4l2_event_subscription { 2392 __u32 type; 2393 __u32 id; 2394 __u32 flags; 2395 __u32 reserved[5]; 2396 }; 2397 2398 /* 2399 * A D V A N C E D D E B U G G I N G 2400 * 2401 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2402 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2403 */ 2404 2405 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2406 2407 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2408 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2409 2410 /* The following four defines are no longer in use */ 2411 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2412 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2413 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2414 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2415 2416 struct v4l2_dbg_match { 2417 __u32 type; /* Match type */ 2418 union { /* Match this chip, meaning determined by type */ 2419 __u32 addr; 2420 char name[32]; 2421 }; 2422 } __attribute__ ((packed)); 2423 2424 struct v4l2_dbg_register { 2425 struct v4l2_dbg_match match; 2426 __u32 size; /* register size in bytes */ 2427 __u64 reg; 2428 __u64 val; 2429 } __attribute__ ((packed)); 2430 2431 #define V4L2_CHIP_FL_READABLE (1 << 0) 2432 #define V4L2_CHIP_FL_WRITABLE (1 << 1) 2433 2434 /* VIDIOC_DBG_G_CHIP_INFO */ 2435 struct v4l2_dbg_chip_info { 2436 struct v4l2_dbg_match match; 2437 char name[32]; 2438 __u32 flags; 2439 __u32 reserved[32]; 2440 } __attribute__ ((packed)); 2441 2442 /** 2443 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2444 * @index: on return, index of the first created buffer 2445 * @count: entry: number of requested buffers, 2446 * return: number of created buffers 2447 * @memory: enum v4l2_memory; buffer memory type 2448 * @format: frame format, for which buffers are requested 2449 * @capabilities: capabilities of this buffer type. 2450 * @reserved: future extensions 2451 */ 2452 struct v4l2_create_buffers { 2453 __u32 index; 2454 __u32 count; 2455 __u32 memory; 2456 struct v4l2_format format; 2457 __u32 capabilities; 2458 __u32 reserved[7]; 2459 }; 2460 2461 /* 2462 * 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 2463 * 2464 */ 2465 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2466 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2467 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2468 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2469 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2470 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2471 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2472 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2473 #define VIDIOC_OVERLAY _IOW('V', 14, int) 2474 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2475 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2476 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2477 #define VIDIOC_STREAMON _IOW('V', 18, int) 2478 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 2479 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2480 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2481 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2482 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2483 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2484 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2485 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2486 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2487 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2488 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2489 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2490 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2491 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2492 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2493 #define VIDIOC_G_INPUT _IOR('V', 38, int) 2494 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 2495 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2496 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2497 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2498 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2499 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2500 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2501 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2502 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2503 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2504 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2505 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2506 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2507 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2508 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2509 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2510 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2511 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2512 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2513 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2514 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2515 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2516 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2517 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2518 #define VIDIOC_LOG_STATUS _IO('V', 70) 2519 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2520 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2521 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2522 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2523 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2524 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2525 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2526 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2527 2528 /* 2529 * Experimental, meant for debugging, testing and internal use. 2530 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2531 * You must be root to use these ioctls. Never use these in applications! 2532 */ 2533 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2534 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2535 2536 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2537 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2538 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2539 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2540 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2541 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2542 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2543 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2544 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2545 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2546 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2547 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2548 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2549 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2550 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2551 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2552 2553 /* 2554 * Experimental, meant for debugging, testing and internal use. 2555 * Never use this in applications! 2556 */ 2557 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2558 2559 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2560 2561 /* Reminder: when adding new ioctls please add support for them to 2562 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */ 2563 2564 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2565 2566 #endif /* _UAPI__LINUX_VIDEODEV2_H */ 2567