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 * Copyright (c) 2016-2019, The Linux Foundation. All rights reserved. 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * Alternatively you can redistribute this file under the terms of the 19 * BSD license as stated below: 20 * 21 * Redistribution and use in source and binary forms, with or without 22 * modification, are permitted provided that the following conditions 23 * are met: 24 * 1. Redistributions of source code must retain the above copyright 25 * notice, this list of conditions and the following disclaimer. 26 * 2. Redistributions in binary form must reproduce the above copyright 27 * notice, this list of conditions and the following disclaimer in 28 * the documentation and/or other materials provided with the 29 * distribution. 30 * 3. The names of its contributors may not be used to endorse or promote 31 * products derived from this software without specific prior written 32 * permission. 33 * 34 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 35 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 36 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 37 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 38 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 39 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 40 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 41 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 42 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 43 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 44 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 45 * 46 * Header file for v4l or V4L2 drivers and applications 47 * with public API. 48 * All kernel-specific stuff were moved to media/v4l2-dev.h, so 49 * no #if __KERNEL tests are allowed here 50 * 51 * See https://linuxtv.org for more info 52 * 53 * Author: Bill Dirks <[email protected]> 54 * Justin Schoeman 55 * Hans Verkuil <[email protected]> 56 * et al. 57 */ 58 #ifndef __LINUX_VIDEODEV2_H 59 #define __LINUX_VIDEODEV2_H 60 61 #include <sys/time.h> 62 63 #include <linux/ioctl.h> 64 #include <linux/types.h> 65 #include <linux/v4l2-common.h> 66 #include <linux/v4l2-controls.h> 67 68 /* 69 * Common stuff for both V4L1 and V4L2 70 * Moved from videodev.h 71 */ 72 #define VIDEO_MAX_FRAME 64 73 #define VIDEO_MAX_PLANES 8 74 75 /* 76 * M I S C E L L A N E O U S 77 */ 78 79 /* Four-character-code (FOURCC) */ 80 #define v4l2_fourcc(a, b, c, d)\ 81 ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24)) 82 #define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1 << 31)) 83 84 /* 85 * E N U M S 86 */ 87 enum v4l2_field { 88 V4L2_FIELD_ANY = 0, /* driver can choose from none, 89 top, bottom, interlaced 90 depending on whatever it thinks 91 is approximate ... */ 92 V4L2_FIELD_NONE = 1, /* this device has no fields ... */ 93 V4L2_FIELD_TOP = 2, /* top field only */ 94 V4L2_FIELD_BOTTOM = 3, /* bottom field only */ 95 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */ 96 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one 97 buffer, top-bottom order */ 98 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */ 99 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into 100 separate buffers */ 101 V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field 102 first and the top field is 103 transmitted first */ 104 V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field 105 first and the bottom field is 106 transmitted first */ 107 }; 108 #define V4L2_FIELD_HAS_TOP(field) \ 109 ((field) == V4L2_FIELD_TOP ||\ 110 (field) == V4L2_FIELD_INTERLACED ||\ 111 (field) == V4L2_FIELD_INTERLACED_TB ||\ 112 (field) == V4L2_FIELD_INTERLACED_BT ||\ 113 (field) == V4L2_FIELD_SEQ_TB ||\ 114 (field) == V4L2_FIELD_SEQ_BT) 115 #define V4L2_FIELD_HAS_BOTTOM(field) \ 116 ((field) == V4L2_FIELD_BOTTOM ||\ 117 (field) == V4L2_FIELD_INTERLACED ||\ 118 (field) == V4L2_FIELD_INTERLACED_TB ||\ 119 (field) == V4L2_FIELD_INTERLACED_BT ||\ 120 (field) == V4L2_FIELD_SEQ_TB ||\ 121 (field) == V4L2_FIELD_SEQ_BT) 122 #define V4L2_FIELD_HAS_BOTH(field) \ 123 ((field) == V4L2_FIELD_INTERLACED ||\ 124 (field) == V4L2_FIELD_INTERLACED_TB ||\ 125 (field) == V4L2_FIELD_INTERLACED_BT ||\ 126 (field) == V4L2_FIELD_SEQ_TB ||\ 127 (field) == V4L2_FIELD_SEQ_BT) 128 #define V4L2_FIELD_HAS_T_OR_B(field) \ 129 ((field) == V4L2_FIELD_BOTTOM ||\ 130 (field) == V4L2_FIELD_TOP ||\ 131 (field) == V4L2_FIELD_ALTERNATE) 132 133 enum v4l2_buf_type { 134 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, 135 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, 136 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, 137 V4L2_BUF_TYPE_VBI_CAPTURE = 4, 138 V4L2_BUF_TYPE_VBI_OUTPUT = 5, 139 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6, 140 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7, 141 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8, 142 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9, 143 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10, 144 V4L2_BUF_TYPE_SDR_CAPTURE = 11, 145 V4L2_BUF_TYPE_SDR_OUTPUT = 12, 146 V4L2_BUF_TYPE_META_CAPTURE = 13, 147 /* Deprecated, do not use */ 148 V4L2_BUF_TYPE_PRIVATE = 0x80, 149 }; 150 151 #define V4L2_TYPE_IS_MULTIPLANAR(type) \ 152 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \ 153 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 154 155 #define V4L2_TYPE_IS_OUTPUT(type) \ 156 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \ 157 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \ 158 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \ 159 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \ 160 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \ 161 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \ 162 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT) 163 164 enum v4l2_tuner_type { 165 V4L2_TUNER_RADIO = 1, 166 V4L2_TUNER_ANALOG_TV = 2, 167 V4L2_TUNER_DIGITAL_TV = 3, 168 V4L2_TUNER_SDR = 4, 169 V4L2_TUNER_RF = 5, 170 }; 171 172 /* Deprecated, do not use */ 173 #define V4L2_TUNER_ADC V4L2_TUNER_SDR 174 175 enum v4l2_memory { 176 V4L2_MEMORY_MMAP = 1, 177 V4L2_MEMORY_USERPTR = 2, 178 V4L2_MEMORY_OVERLAY = 3, 179 V4L2_MEMORY_DMABUF = 4, 180 }; 181 182 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 183 enum v4l2_colorspace { 184 /* 185 * Default colorspace, i.e. let the driver figure it out. 186 * Can only be used with video capture. 187 */ 188 V4L2_COLORSPACE_DEFAULT = 0, 189 190 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */ 191 V4L2_COLORSPACE_SMPTE170M = 1, 192 193 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */ 194 V4L2_COLORSPACE_SMPTE240M = 2, 195 196 /* Rec.709: used for HDTV */ 197 V4L2_COLORSPACE_REC709 = 3, 198 199 /* 200 * Deprecated, do not use. No driver will ever return this. This was 201 * based on a misunderstanding of the bt878 datasheet. 202 */ 203 V4L2_COLORSPACE_BT878 = 4, 204 205 /* 206 * NTSC 1953 colorspace. This only makes sense when dealing with 207 * really, really old NTSC recordings. Superseded by SMPTE 170M. 208 */ 209 V4L2_COLORSPACE_470_SYSTEM_M = 5, 210 211 /* 212 * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when 213 * dealing with really old PAL/SECAM recordings. Superseded by 214 * SMPTE 170M. 215 */ 216 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 217 218 /* 219 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601 220 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG. 221 */ 222 V4L2_COLORSPACE_JPEG = 7, 223 224 /* For RGB colorspaces such as produces by most webcams. */ 225 V4L2_COLORSPACE_SRGB = 8, 226 227 /* AdobeRGB colorspace */ 228 V4L2_COLORSPACE_ADOBERGB = 9, 229 230 /* BT.2020 colorspace, used for UHDTV. */ 231 V4L2_COLORSPACE_BT2020 = 10, 232 233 /* Raw colorspace: for RAW unprocessed images */ 234 V4L2_COLORSPACE_RAW = 11, 235 236 /* DCI-P3 colorspace, used by cinema projectors */ 237 V4L2_COLORSPACE_DCI_P3 = 12, 238 }; 239 240 /* 241 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace. 242 * This depends on whether this is a SDTV image (use SMPTE 170M), an 243 * HDTV image (use Rec. 709), or something else (use sRGB). 244 */ 245 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \ 246 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \ 247 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB)) 248 249 enum v4l2_xfer_func { 250 /* 251 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions 252 * for the various colorspaces: 253 * 254 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 255 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and 256 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709 257 * 258 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB 259 * 260 * V4L2_COLORSPACE_ADOBERGB: V4L2_XFER_FUNC_ADOBERGB 261 * 262 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M 263 * 264 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE 265 * 266 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3 267 */ 268 V4L2_XFER_FUNC_DEFAULT = 0, 269 V4L2_XFER_FUNC_709 = 1, 270 V4L2_XFER_FUNC_SRGB = 2, 271 V4L2_XFER_FUNC_ADOBERGB = 3, 272 V4L2_XFER_FUNC_SMPTE240M = 4, 273 V4L2_XFER_FUNC_NONE = 5, 274 V4L2_XFER_FUNC_DCI_P3 = 6, 275 V4L2_XFER_FUNC_SMPTE2084 = 7, 276 }; 277 278 /* 279 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function. 280 * This depends on the colorspace. 281 */ 282 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \ 283 ((colsp) == V4L2_COLORSPACE_ADOBERGB ? V4L2_XFER_FUNC_ADOBERGB : \ 284 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \ 285 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \ 286 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \ 287 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \ 288 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709))))) 289 290 enum v4l2_ycbcr_encoding { 291 /* 292 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the 293 * various colorspaces: 294 * 295 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 296 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB, 297 * V4L2_COLORSPACE_ADOBERGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601 298 * 299 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709 300 * 301 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020 302 * 303 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M 304 */ 305 V4L2_YCBCR_ENC_DEFAULT = 0, 306 307 /* ITU-R 601 -- SDTV */ 308 V4L2_YCBCR_ENC_601 = 1, 309 310 /* Rec. 709 -- HDTV */ 311 V4L2_YCBCR_ENC_709 = 2, 312 313 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */ 314 V4L2_YCBCR_ENC_XV601 = 3, 315 316 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */ 317 V4L2_YCBCR_ENC_XV709 = 4, 318 319 /* 320 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added 321 * originally due to a misunderstanding of the sYCC standard. It should 322 * not be used, instead use V4L2_YCBCR_ENC_601. 323 */ 324 V4L2_YCBCR_ENC_SYCC = 5, 325 326 /* BT.2020 Non-constant Luminance Y'CbCr */ 327 V4L2_YCBCR_ENC_BT2020 = 6, 328 329 /* BT.2020 Constant Luminance Y'CbcCrc */ 330 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7, 331 332 /* SMPTE 240M -- Obsolete HDTV */ 333 V4L2_YCBCR_ENC_SMPTE240M = 8, 334 }; 335 336 /* 337 * enum v4l2_hsv_encoding values should not collide with the ones from 338 * enum v4l2_ycbcr_encoding. 339 */ 340 enum v4l2_hsv_encoding { 341 342 /* Hue mapped to 0 - 179 */ 343 V4L2_HSV_ENC_180 = 128, 344 345 /* Hue mapped to 0-255 */ 346 V4L2_HSV_ENC_256 = 129, 347 }; 348 349 /* 350 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding. 351 * This depends on the colorspace. 352 */ 353 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \ 354 (((colsp) == V4L2_COLORSPACE_REC709 || \ 355 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \ 356 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \ 357 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \ 358 V4L2_YCBCR_ENC_601))) 359 360 enum v4l2_quantization { 361 /* 362 * The default for R'G'B' quantization is always full range, except 363 * for the BT2020 colorspace. For Y'CbCr the quantization is always 364 * limited range, except for COLORSPACE_JPEG: this is full range. 365 */ 366 V4L2_QUANTIZATION_DEFAULT = 0, 367 V4L2_QUANTIZATION_FULL_RANGE = 1, 368 V4L2_QUANTIZATION_LIM_RANGE = 2, 369 }; 370 371 /* 372 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization. 373 * This depends on whether the image is RGB or not, the colorspace and the 374 * Y'CbCr encoding. 375 */ 376 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \ 377 (((is_rgb_or_hsv) && (colsp) == V4L2_COLORSPACE_BT2020) ? \ 378 V4L2_QUANTIZATION_LIM_RANGE : \ 379 (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \ 380 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE)) 381 382 enum v4l2_priority { 383 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 384 V4L2_PRIORITY_BACKGROUND = 1, 385 V4L2_PRIORITY_INTERACTIVE = 2, 386 V4L2_PRIORITY_RECORD = 3, 387 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 388 }; 389 390 struct v4l2_rect { 391 __s32 left; 392 __s32 top; 393 __u32 width; 394 __u32 height; 395 }; 396 397 struct v4l2_fract { 398 __u32 numerator; 399 __u32 denominator; 400 }; 401 402 /** 403 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 404 * 405 * @driver: name of the driver module (e.g. "bttv") 406 * @card: name of the card (e.g. "Hauppauge WinTV") 407 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 408 * @version: KERNEL_VERSION 409 * @capabilities: capabilities of the physical device as a whole 410 * @device_caps: capabilities accessed via this particular device (node) 411 * @reserved: reserved fields for future extensions 412 */ 413 struct v4l2_capability { 414 __u8 driver[16]; 415 __u8 card[32]; 416 __u8 bus_info[32]; 417 __u32 version; 418 __u32 capabilities; 419 __u32 device_caps; 420 __u32 reserved[3]; 421 }; 422 423 /* Values for 'capabilities' field */ 424 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 425 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 426 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 427 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 428 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 429 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 430 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 431 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 432 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 433 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 434 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 435 436 /* Is a video capture device that supports multiplanar formats */ 437 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 438 /* Is a video output device that supports multiplanar formats */ 439 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 440 /* Is a video mem-to-mem device that supports multiplanar formats */ 441 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 442 /* Is a video mem-to-mem device */ 443 #define V4L2_CAP_VIDEO_M2M 0x00008000 444 445 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 446 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 447 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 448 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 449 450 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */ 451 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */ 452 #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */ 453 #define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */ 454 455 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 456 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 457 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 458 459 #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */ 460 461 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 462 463 /* 464 * V I D E O I M A G E F O R M A T 465 */ 466 struct v4l2_pix_format { 467 __u32 width; 468 __u32 height; 469 __u32 pixelformat; 470 __u32 field; /* enum v4l2_field */ 471 __u32 bytesperline; /* for padding, zero if unused */ 472 __u32 sizeimage; 473 __u32 colorspace; /* enum v4l2_colorspace */ 474 __u32 priv; /* private data, depends on pixelformat */ 475 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ 476 union { 477 /* enum v4l2_ycbcr_encoding */ 478 __u32 ycbcr_enc; 479 /* enum v4l2_hsv_encoding */ 480 __u32 hsv_enc; 481 }; 482 __u32 quantization; /* enum v4l2_quantization */ 483 __u32 xfer_func; /* enum v4l2_xfer_func */ 484 }; 485 486 /* Pixel format FOURCC depth Description */ 487 488 /* RGB formats */ 489 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 490 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 491 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */ 492 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */ 493 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 494 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */ 495 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */ 496 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 497 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 498 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */ 499 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */ 500 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 501 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 502 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 503 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 504 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 505 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */ 506 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */ 507 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 508 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */ 509 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */ 510 511 #define V4L2_PIX_FMT_RGBA8888_UBWC v4l2_fourcc('Q', 'R', 'G', 'B') 512 513 /* Grey formats */ 514 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 515 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 516 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 517 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 518 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 519 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 520 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */ 521 522 /* Grey bit-packed formats */ 523 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 524 525 /* Palette formats */ 526 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 527 528 /* Chrominance formats */ 529 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 530 531 /* Luminance+Chrominance formats */ 532 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 533 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 534 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 535 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 536 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 537 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 538 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 539 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 540 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 541 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 542 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */ 543 #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */ 544 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 545 546 /* two planes -- one Y, one Cr + Cb interleaved */ 547 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 548 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 549 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 550 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 551 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 552 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 553 554 /* NV12_512 8-bit Y/CbCr 4:2:0 */ 555 #define V4L2_PIX_FMT_NV12_512 v4l2_fourcc('Q', '5', '1', '2') 556 557 /* UBWC 8-bit Y/CbCr 4:2:0 */ 558 #define V4L2_PIX_FMT_NV12_UBWC v4l2_fourcc('Q', '1', '2', '8') 559 /* UBWC 10-bit Y/CbCr 4:2:0 */ 560 #define V4L2_PIX_FMT_NV12_TP10_UBWC v4l2_fourcc('Q', '1', '2', 'A') 561 #define V4L2_PIX_FMT_NV12_P010_UBWC v4l2_fourcc('Q', '1', '2', 'B') 562 563 /* two non contiguous planes - one Y, one Cr + Cb interleaved */ 564 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 565 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 566 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ 567 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ 568 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */ 569 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */ 570 571 /* three planes - Y Cb, Cr */ 572 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 573 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 574 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */ 575 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 576 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 577 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 578 579 /* three non contiguous planes - Y, Cb, Cr */ 580 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 581 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 582 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */ 583 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */ 584 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */ 585 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */ 586 587 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 588 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 589 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 590 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 591 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 592 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 593 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 594 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 595 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 596 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ 597 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') 598 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') 599 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') 600 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') 601 /* 10bit raw bayer a-law compressed to 8 bits */ 602 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 603 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 604 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 605 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 606 /* 10bit raw bayer DPCM compressed to 8 bits */ 607 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 608 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 609 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 610 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 611 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 612 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 613 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 614 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 615 #define V4L2_PIX_FMT_SBGGR10DPCM6 v4l2_fourcc('b', 'B', 'A', '6') 616 #define V4L2_PIX_FMT_SGBRG10DPCM6 v4l2_fourcc('b', 'G', 'A', '6') 617 #define V4L2_PIX_FMT_SGRBG10DPCM6 v4l2_fourcc('B', 'D', '1', '6') 618 #define V4L2_PIX_FMT_SRGGB10DPCM6 v4l2_fourcc('b', 'R', 'A', '6') 619 /* 12bit raw bayer packed, 6 bytes for every 4 pixels */ 620 #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C') 621 #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C') 622 #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C') 623 #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C') 624 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 625 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */ 626 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */ 627 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */ 628 #define V4L2_PIX_FMT_SBGGRPLAIN16 v4l2_fourcc('B', 'G', '1', '6') 629 #define V4L2_PIX_FMT_SGBRGPLAIN16 v4l2_fourcc('G', 'B', '1', '6') 630 #define V4L2_PIX_FMT_SGRBGPLAIN16 v4l2_fourcc('G', 'R', '1', '6') 631 #define V4L2_PIX_FMT_SRGGBPLAIN16 v4l2_fourcc('R', 'G', '1', '6') 632 633 /* HSV formats */ 634 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3') 635 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4') 636 637 /* compressed formats */ 638 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 639 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 640 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 641 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 642 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 643 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 644 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 645 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 646 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 647 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 648 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 649 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 650 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 651 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 652 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 653 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */ 654 #define V4L2_PIX_FMT_DIVX_311 v4l2_fourcc('D', 'I', 'V', '3') /* DIVX311 */ 655 #define V4L2_PIX_FMT_DIVX v4l2_fourcc('D', 'I', 'V', 'X') /* DIVX */ 656 #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC stream */ 657 #define V4L2_PIX_FMT_HEVC_HYBRID v4l2_fourcc('H', 'V', 'C', 'H') 658 #define V4L2_PIX_FMT_TME v4l2_fourcc('T', 'M', 'E', '0') /* TME stream */ 659 #define V4L2_PIX_FMT_CVP v4l2_fourcc('C', 'V', 'P', '0') /* CVP stream */ 660 661 /* Vendor-specific formats */ 662 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 663 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 664 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 665 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 666 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 667 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 668 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 669 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 670 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 671 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 672 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 673 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 674 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 675 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 676 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 677 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 678 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 679 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 680 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 681 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 682 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 683 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 684 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 685 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 686 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 687 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 688 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */ 689 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */ 690 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */ 691 #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */ 692 #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */ 693 694 #define V4L2_PIX_FMT_SDE_ABGR_8888 \ 695 v4l2_fourcc('R', 'A', '2', '4') /* 32-bit ABGR 8:8:8:8 */ 696 #define V4L2_PIX_FMT_SDE_RGBA_8888 \ 697 v4l2_fourcc('A', 'B', '2', '4') /* 32-bit RGBA 8:8:8:8 */ 698 #define V4L2_PIX_FMT_SDE_RGBX_8888 \ 699 v4l2_fourcc('X', 'B', '2', '4') /* 32-bit RGBX 8:8:8:8 */ 700 #define V4L2_PIX_FMT_SDE_XBGR_8888 \ 701 v4l2_fourcc('R', 'X', '2', '4') /* 32-bit XBGR 8:8:8:8 */ 702 #define V4L2_PIX_FMT_SDE_RGBA_5551 \ 703 v4l2_fourcc('R', 'A', '1', '5') /* 16-bit RGBA 5:5:5:1 */ 704 #define V4L2_PIX_FMT_SDE_ABGR_1555 \ 705 v4l2_fourcc('A', 'B', '1', '5') /* 16-bit ABGR 1:5:5:5 */ 706 #define V4L2_PIX_FMT_SDE_BGRA_5551 \ 707 v4l2_fourcc('B', 'A', '1', '5') /* 16-bit BGRA 5:5:5:1 */ 708 #define V4L2_PIX_FMT_SDE_BGRX_5551 \ 709 v4l2_fourcc('B', 'X', '1', '5') /* 16-bit BGRX 5:5:5:1 */ 710 #define V4L2_PIX_FMT_SDE_RGBX_5551 \ 711 v4l2_fourcc('R', 'X', '1', '5') /* 16-bit RGBX 5:5:5:1 */ 712 #define V4L2_PIX_FMT_SDE_XBGR_1555 \ 713 v4l2_fourcc('X', 'B', '1', '5') /* 16-bit XBGR 1:5:5:5 */ 714 #define V4L2_PIX_FMT_SDE_RGBA_4444 \ 715 v4l2_fourcc('R', 'A', '1', '2') /* 16-bit RGBA 4:4:4:4 */ 716 #define V4L2_PIX_FMT_SDE_BGRA_4444 \ 717 v4l2_fourcc('b', 'A', '1', '2') /* 16-bit BGRA 4:4:4:4 */ 718 #define V4L2_PIX_FMT_SDE_ABGR_4444 \ 719 v4l2_fourcc('A', 'B', '1', '2') /* 16-bit ABGR 4:4:4:4 */ 720 #define V4L2_PIX_FMT_SDE_RGBX_4444 \ 721 v4l2_fourcc('R', 'X', '1', '2') /* 16-bit RGBX 4:4:4:4 */ 722 #define V4L2_PIX_FMT_SDE_BGRX_4444 \ 723 v4l2_fourcc('B', 'X', '1', '2') /* 16-bit BGRX 4:4:4:4 */ 724 #define V4L2_PIX_FMT_SDE_XBGR_4444 \ 725 v4l2_fourcc('X', 'B', '1', '2') /* 16-bit XBGR 4:4:4:4 */ 726 #define V4L2_PIX_FMT_SDE_BGR_565 \ 727 v4l2_fourcc('B', 'G', '1', '6') /* 16-bit BGR 5:6:5 */ 728 #define V4L2_PIX_FMT_SDE_Y_CR_CB_GH2V2 \ 729 v4l2_fourcc('Y', 'U', '4', '2') /* Planar YVU 4:2:0 A16 */ 730 #define V4L2_PIX_FMT_SDE_Y_CBCR_H1V2 \ 731 v4l2_fourcc('N', 'H', '1', '6') /* Y/CbCr 4:2:2 */ 732 #define V4L2_PIX_FMT_SDE_Y_CRCB_H1V2 \ 733 v4l2_fourcc('N', 'H', '6', '1') /* Y/CrCb 4:2:2 */ 734 #define V4L2_PIX_FMT_SDE_Y_CBCR_H2V2_VENUS \ 735 v4l2_fourcc('Q', 'N', 'V', '2') /* Y/CbCr 4:2:0 Venus */ 736 #define V4L2_PIX_FMT_SDE_Y_CRCB_H2V2_VENUS \ 737 v4l2_fourcc('Q', 'N', 'V', '1') /* Y/CrCb 4:2:0 Venus */ 738 #define V4L2_PIX_FMT_SDE_RGBX_8888_UBWC \ 739 v4l2_fourcc('Q', 'X', 'B', '4') /* RGBX 8:8:8:8 UBWC */ 740 #define V4L2_PIX_FMT_SDE_RGB_565_UBWC \ 741 v4l2_fourcc('Q', 'R', 'G', '6') /* RGB 5:6:5 UBWC */ 742 #define V4L2_PIX_FMT_SDE_RGBA_1010102 \ 743 v4l2_fourcc('A', 'B', '3', '0') /* RGBA 10:10:10:2 */ 744 #define V4L2_PIX_FMT_SDE_RGBX_1010102 \ 745 v4l2_fourcc('X', 'B', '3', '0') /* RGBX 10:10:10:2 */ 746 #define V4L2_PIX_FMT_SDE_ARGB_2101010 \ 747 v4l2_fourcc('A', 'R', '3', '0') /* ARGB 2:10:10:10 */ 748 #define V4L2_PIX_FMT_SDE_XRGB_2101010 \ 749 v4l2_fourcc('X', 'R', '3', '0') /* XRGB 2:10:10:10 */ 750 #define V4L2_PIX_FMT_SDE_BGRA_1010102 \ 751 v4l2_fourcc('B', 'A', '3', '0') /* BGRA 10:10:10:2 */ 752 #define V4L2_PIX_FMT_SDE_BGRX_1010102 \ 753 v4l2_fourcc('B', 'X', '3', '0') /* BGRX 10:10:10:2 */ 754 #define V4L2_PIX_FMT_SDE_ABGR_2101010 \ 755 v4l2_fourcc('R', 'A', '3', '0') /* ABGR 2:10:10:10 */ 756 #define V4L2_PIX_FMT_SDE_XBGR_2101010 \ 757 v4l2_fourcc('R', 'X', '3', '0') /* XBGR 2:10:10:10 */ 758 #define V4L2_PIX_FMT_SDE_RGBA_1010102_UBWC \ 759 v4l2_fourcc('Q', 'R', 'B', 'A') /* RGBA 10:10:10:2 UBWC */ 760 #define V4L2_PIX_FMT_SDE_RGBX_1010102_UBWC \ 761 v4l2_fourcc('Q', 'X', 'B', 'A') /* RGBX 10:10:10:2 UBWC */ 762 #define V4L2_PIX_FMT_SDE_Y_CBCR_H2V2_TP10 \ 763 v4l2_fourcc('T', 'P', '1', '0') /* Y/CbCr 4:2:0 TP10 */ 764 #define V4L2_PIX_FMT_SDE_Y_CBCR_H2V2_P010 \ 765 v4l2_fourcc('P', '0', '1', '0') /* Y/CbCr 4:2:0 P10 */ 766 #define V4L2_PIX_FMT_SDE_Y_CBCR_H2V2_P010_VENUS \ 767 v4l2_fourcc('Q', 'P', '1', '0') /* Y/CbCr 4:2:0 P10 Venus*/ 768 769 /* SDR formats - used only for Software Defined Radio devices */ 770 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 771 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 772 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 773 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 774 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 775 #define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */ 776 #define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */ 777 #define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */ 778 779 /* Touch formats - used for Touch devices */ 780 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */ 781 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */ 782 #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */ 783 #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */ 784 785 /* Meta-data formats */ 786 #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */ 787 #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */ 788 789 /* priv field value to indicates that subsequent fields are valid. */ 790 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 791 792 /* Flags */ 793 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 794 795 /* 796 * F O R M A T E N U M E R A T I O N 797 */ 798 struct v4l2_fmtdesc { 799 __u32 index; /* Format number */ 800 __u32 type; /* enum v4l2_buf_type */ 801 __u32 flags; 802 __u8 description[32]; /* Description string */ 803 __u32 pixelformat; /* Format fourcc */ 804 __u32 reserved[4]; 805 }; 806 807 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 808 #define V4L2_FMT_FLAG_EMULATED 0x0002 809 810 /* Frame Size and frame rate enumeration */ 811 /* 812 * F R A M E S I Z E E N U M E R A T I O N 813 */ 814 enum v4l2_frmsizetypes { 815 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 816 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 817 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 818 }; 819 820 struct v4l2_frmsize_discrete { 821 __u32 width; /* Frame width [pixel] */ 822 __u32 height; /* Frame height [pixel] */ 823 }; 824 825 struct v4l2_frmsize_stepwise { 826 __u32 min_width; /* Minimum frame width [pixel] */ 827 __u32 max_width; /* Maximum frame width [pixel] */ 828 __u32 step_width; /* Frame width step size [pixel] */ 829 __u32 min_height; /* Minimum frame height [pixel] */ 830 __u32 max_height; /* Maximum frame height [pixel] */ 831 __u32 step_height; /* Frame height step size [pixel] */ 832 }; 833 834 struct v4l2_frmsizeenum { 835 __u32 index; /* Frame size number */ 836 __u32 pixel_format; /* Pixel format */ 837 __u32 type; /* Frame size type the device supports. */ 838 839 union { /* Frame size */ 840 struct v4l2_frmsize_discrete discrete; 841 struct v4l2_frmsize_stepwise stepwise; 842 }; 843 844 __u32 reserved[2]; /* Reserved space for future use */ 845 }; 846 847 /* 848 * F R A M E R A T E E N U M E R A T I O N 849 */ 850 enum v4l2_frmivaltypes { 851 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 852 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 853 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 854 }; 855 856 struct v4l2_frmival_stepwise { 857 struct v4l2_fract min; /* Minimum frame interval [s] */ 858 struct v4l2_fract max; /* Maximum frame interval [s] */ 859 struct v4l2_fract step; /* Frame interval step size [s] */ 860 }; 861 862 struct v4l2_frmivalenum { 863 __u32 index; /* Frame format index */ 864 __u32 pixel_format; /* Pixel format */ 865 __u32 width; /* Frame width */ 866 __u32 height; /* Frame height */ 867 __u32 type; /* Frame interval type the device supports. */ 868 869 union { /* Frame interval */ 870 struct v4l2_fract discrete; 871 struct v4l2_frmival_stepwise stepwise; 872 }; 873 874 __u32 reserved[2]; /* Reserved space for future use */ 875 }; 876 877 /* 878 * T I M E C O D E 879 */ 880 struct v4l2_timecode { 881 __u32 type; 882 __u32 flags; 883 __u8 frames; 884 __u8 seconds; 885 __u8 minutes; 886 __u8 hours; 887 __u8 userbits[4]; 888 }; 889 890 /* Type */ 891 #define V4L2_TC_TYPE_24FPS 1 892 #define V4L2_TC_TYPE_25FPS 2 893 #define V4L2_TC_TYPE_30FPS 3 894 #define V4L2_TC_TYPE_50FPS 4 895 #define V4L2_TC_TYPE_60FPS 5 896 897 /* Flags */ 898 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 899 #define V4L2_TC_FLAG_COLORFRAME 0x0002 900 #define V4L2_TC_USERBITS_field 0x000C 901 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 902 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 903 /* The above is based on SMPTE timecodes */ 904 905 struct v4l2_jpegcompression { 906 int quality; 907 908 int APPn; /* Number of APP segment to be written, 909 * must be 0..15 */ 910 int APP_len; /* Length of data in JPEG APPn segment */ 911 char APP_data[60]; /* Data in the JPEG APPn segment. */ 912 913 int COM_len; /* Length of data in JPEG COM segment */ 914 char COM_data[60]; /* Data in JPEG COM segment */ 915 916 __u32 jpeg_markers; /* Which markers should go into the JPEG 917 * output. Unless you exactly know what 918 * you do, leave them untouched. 919 * Including less markers will make the 920 * resulting code smaller, but there will 921 * be fewer applications which can read it. 922 * The presence of the APP and COM marker 923 * is influenced by APP_len and COM_len 924 * ONLY, not by this property! */ 925 926 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 927 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 928 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 929 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 930 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 931 * always use APP0 */ 932 }; 933 934 /* 935 * M E M O R Y - M A P P I N G B U F F E R S 936 */ 937 struct v4l2_requestbuffers { 938 __u32 count; 939 __u32 type; /* enum v4l2_buf_type */ 940 __u32 memory; /* enum v4l2_memory */ 941 __u32 reserved[2]; 942 }; 943 944 /** 945 * struct v4l2_plane - plane info for multi-planar buffers 946 * @bytesused: number of bytes occupied by data in the plane (payload) 947 * @length: size of this plane (NOT the payload) in bytes 948 * @mem_offset: when memory in the associated struct v4l2_buffer is 949 * V4L2_MEMORY_MMAP, equals the offset from the start of 950 * the device memory for this plane (or is a "cookie" that 951 * should be passed to mmap() called on the video node) 952 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 953 * pointing to this plane 954 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 955 * descriptor associated with this plane 956 * @data_offset: offset in the plane to the start of data; usually 0, 957 * unless there is a header in front of the data 958 * 959 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 960 * with two planes can have one plane for Y, and another for interleaved CbCr 961 * components. Each plane can reside in a separate memory buffer, or even in 962 * a completely separate memory node (e.g. in embedded devices). 963 */ 964 struct v4l2_plane { 965 __u32 bytesused; 966 __u32 length; 967 union { 968 __u32 mem_offset; 969 unsigned long userptr; 970 __s32 fd; 971 } m; 972 __u32 data_offset; 973 __u32 reserved[11]; 974 }; 975 976 /** 977 * struct v4l2_buffer - video buffer info 978 * @index: id number of the buffer 979 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 980 * multiplanar buffers); 981 * @bytesused: number of bytes occupied by data in the buffer (payload); 982 * unused (set to 0) for multiplanar buffers 983 * @flags: buffer informational flags 984 * @field: enum v4l2_field; field order of the image in the buffer 985 * @timestamp: frame timestamp 986 * @timecode: frame timecode 987 * @sequence: sequence count of this frame 988 * @memory: enum v4l2_memory; the method, in which the actual video data is 989 * passed 990 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 991 * offset from the start of the device memory for this plane, 992 * (or a "cookie" that should be passed to mmap() as offset) 993 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 994 * a userspace pointer pointing to this buffer 995 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 996 * a userspace file descriptor associated with this buffer 997 * @planes: for multiplanar buffers; userspace pointer to the array of plane 998 * info structs for this buffer 999 * @length: size in bytes of the buffer (NOT its payload) for single-plane 1000 * buffers (when type != *_MPLANE); number of elements in the 1001 * planes array for multi-plane buffers 1002 * 1003 * Contains data exchanged by application and driver using one of the Streaming 1004 * I/O methods. 1005 */ 1006 struct v4l2_buffer { 1007 __u32 index; 1008 __u32 type; 1009 __u32 bytesused; 1010 __u32 flags; 1011 __u32 field; 1012 struct timeval timestamp; 1013 struct v4l2_timecode timecode; 1014 __u32 sequence; 1015 1016 /* memory location */ 1017 __u32 memory; 1018 union { 1019 __u32 offset; 1020 unsigned long userptr; 1021 struct v4l2_plane *planes; 1022 __s32 fd; 1023 } m; 1024 __u32 length; 1025 __u32 reserved2; 1026 __u32 reserved; 1027 }; 1028 1029 /* Flags for 'flags' field */ 1030 /* Buffer is mapped (flag) */ 1031 #define V4L2_BUF_FLAG_MAPPED 0x00000001 1032 /* Buffer is queued for processing */ 1033 #define V4L2_BUF_FLAG_QUEUED 0x00000002 1034 /* Buffer is ready */ 1035 #define V4L2_BUF_FLAG_DONE 0x00000004 1036 /* Image is a keyframe (I-frame) */ 1037 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008 1038 /* Image is a P-frame */ 1039 #define V4L2_BUF_FLAG_PFRAME 0x00000010 1040 /* Image is a B-frame */ 1041 #define V4L2_BUF_FLAG_BFRAME 0x00000020 1042 /* Buffer is ready, but the data contained within is corrupted. */ 1043 #define V4L2_BUF_FLAG_ERROR 0x00000040 1044 /* timecode field is valid */ 1045 #define V4L2_BUF_FLAG_TIMECODE 0x00000100 1046 /* Buffer is prepared for queuing */ 1047 #define V4L2_BUF_FLAG_PREPARED 0x00000400 1048 /* Cache handling flags */ 1049 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 1050 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 1051 /* Timestamp type */ 1052 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 1053 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 1054 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 1055 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 1056 /* Timestamp sources. */ 1057 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 1058 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 1059 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 1060 /* mem2mem encoder/decoder */ 1061 #define V4L2_BUF_FLAG_LAST 0x00100000 1062 /* Vendor extensions */ 1063 #define V4L2_QCOM_BUF_END_OF_SUBFRAME 0x00000080 1064 #define V4L2_QCOM_BUF_FLAG_CODECCONFIG 0x00020000 1065 #define V4L2_QCOM_BUF_FLAG_EOSEQ 0x00040000 1066 #define V4L2_QCOM_BUF_TIMESTAMP_INVALID 0x00080000 1067 #define V4L2_MSM_BUF_FLAG_MBAFF 0x00000200 1068 #define V4L2_QCOM_BUF_FLAG_DECODEONLY 0x00200000 1069 #define V4L2_BUF_FLAG_DATA_CORRUPT 0x00400000 1070 #define V4L2_QCOM_BUF_DROP_FRAME 0x00800000 1071 #define V4L2_QCOM_BUF_INPUT_UNSUPPORTED 0x01000000 1072 #define V4L2_QCOM_BUF_FLAG_EOS 0x02000000 1073 #define V4L2_QCOM_BUF_FLAG_READONLY 0x04000000 1074 #define V4L2_MSM_VIDC_BUF_START_CODE_NOT_FOUND 0x08000000 1075 #define V4L2_MSM_BUF_FLAG_YUV_601_709_CLAMP 0x10000000 1076 #define V4L2_QCOM_BUF_FLAG_PERF_MODE 0x20000000 1077 #define V4L2_MSM_BUF_FLAG_DEFER 0x40000000 1078 #define V4L2_QCOM_BUF_FLAG_IDRFRAME 0x80000000 1079 1080 /** 1081 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 1082 * 1083 * @index: id number of the buffer 1084 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 1085 * multiplanar buffers); 1086 * @plane: index of the plane to be exported, 0 for single plane queues 1087 * @flags: flags for newly created file, currently only O_CLOEXEC is 1088 * supported, refer to manual of open syscall for more details 1089 * @fd: file descriptor associated with DMABUF (set by driver) 1090 * 1091 * Contains data used for exporting a video buffer as DMABUF file descriptor. 1092 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 1093 * (identical to the cookie used to mmap() the buffer to userspace). All 1094 * reserved fields must be set to zero. The field reserved0 is expected to 1095 * become a structure 'type' allowing an alternative layout of the structure 1096 * content. Therefore this field should not be used for any other extensions. 1097 */ 1098 struct v4l2_exportbuffer { 1099 __u32 type; /* enum v4l2_buf_type */ 1100 __u32 index; 1101 __u32 plane; 1102 __u32 flags; 1103 __s32 fd; 1104 __u32 reserved[11]; 1105 }; 1106 1107 /* 1108 * O V E R L A Y P R E V I E W 1109 */ 1110 struct v4l2_framebuffer { 1111 __u32 capability; 1112 __u32 flags; 1113 /* FIXME: in theory we should pass something like PCI device + memory 1114 * region + offset instead of some physical address */ 1115 void *base; 1116 struct { 1117 __u32 width; 1118 __u32 height; 1119 __u32 pixelformat; 1120 __u32 field; /* enum v4l2_field */ 1121 __u32 bytesperline; /* for padding, zero if unused */ 1122 __u32 sizeimage; 1123 __u32 colorspace; /* enum v4l2_colorspace */ 1124 __u32 priv; /* reserved field, set to 0 */ 1125 } fmt; 1126 }; 1127 /* Flags for the 'capability' field. Read only */ 1128 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 1129 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 1130 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 1131 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 1132 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 1133 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 1134 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 1135 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 1136 /* Flags for the 'flags' field. */ 1137 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 1138 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 1139 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 1140 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 1141 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 1142 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 1143 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 1144 1145 struct v4l2_clip { 1146 struct v4l2_rect c; 1147 struct v4l2_clip *next; 1148 }; 1149 1150 struct v4l2_window { 1151 struct v4l2_rect w; 1152 __u32 field; /* enum v4l2_field */ 1153 __u32 chromakey; 1154 struct v4l2_clip *clips; 1155 __u32 clipcount; 1156 void *bitmap; 1157 __u8 global_alpha; 1158 }; 1159 1160 /* 1161 * C A P T U R E P A R A M E T E R S 1162 */ 1163 struct v4l2_captureparm { 1164 __u32 capability; /* Supported modes */ 1165 __u32 capturemode; /* Current mode */ 1166 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1167 __u32 extendedmode; /* Driver-specific extensions */ 1168 __u32 readbuffers; /* # of buffers for read */ 1169 __u32 reserved[4]; 1170 }; 1171 1172 /* Flags for 'capability' and 'capturemode' fields */ 1173 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 1174 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 1175 1176 struct v4l2_outputparm { 1177 __u32 capability; /* Supported modes */ 1178 __u32 outputmode; /* Current mode */ 1179 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1180 __u32 extendedmode; /* Driver-specific extensions */ 1181 __u32 writebuffers; /* # of buffers for write */ 1182 __u32 reserved[4]; 1183 }; 1184 1185 /* 1186 * I N P U T I M A G E C R O P P I N G 1187 */ 1188 struct v4l2_cropcap { 1189 __u32 type; /* enum v4l2_buf_type */ 1190 struct v4l2_rect bounds; 1191 struct v4l2_rect defrect; 1192 struct v4l2_fract pixelaspect; 1193 }; 1194 1195 struct v4l2_crop { 1196 __u32 type; /* enum v4l2_buf_type */ 1197 struct v4l2_rect c; 1198 }; 1199 1200 /** 1201 * struct v4l2_selection - selection info 1202 * @type: buffer type (do not use *_MPLANE types) 1203 * @target: Selection target, used to choose one of possible rectangles; 1204 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 1205 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 1206 * @r: coordinates of selection window 1207 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 1208 * 1209 * Hardware may use multiple helper windows to process a video stream. 1210 * The structure is used to exchange this selection areas between 1211 * an application and a driver. 1212 */ 1213 struct v4l2_selection { 1214 __u32 type; 1215 __u32 target; 1216 __u32 flags; 1217 struct v4l2_rect r; 1218 __u32 reserved[9]; 1219 }; 1220 1221 1222 /* 1223 * A N A L O G V I D E O S T A N D A R D 1224 */ 1225 1226 typedef __u64 v4l2_std_id; 1227 1228 /* one bit for each */ 1229 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 1230 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 1231 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 1232 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 1233 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 1234 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 1235 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 1236 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 1237 1238 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 1239 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 1240 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 1241 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 1242 1243 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 1244 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 1245 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 1246 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 1247 1248 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 1249 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 1250 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 1251 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 1252 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 1253 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 1254 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 1255 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 1256 1257 /* ATSC/HDTV */ 1258 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 1259 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 1260 1261 /* FIXME: 1262 Although std_id is 64 bits, there is an issue on PPC32 architecture that 1263 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 1264 this value to 32 bits. 1265 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 1266 it should work fine. However, if needed to add more than two standards, 1267 v4l2-common.c should be fixed. 1268 */ 1269 1270 /* 1271 * Some macros to merge video standards in order to make live easier for the 1272 * drivers and V4L2 applications 1273 */ 1274 1275 /* 1276 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 1277 * Missing here. 1278 */ 1279 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 1280 V4L2_STD_NTSC_M_JP |\ 1281 V4L2_STD_NTSC_M_KR) 1282 /* Secam macros */ 1283 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 1284 V4L2_STD_SECAM_K |\ 1285 V4L2_STD_SECAM_K1) 1286 /* All Secam Standards */ 1287 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 1288 V4L2_STD_SECAM_G |\ 1289 V4L2_STD_SECAM_H |\ 1290 V4L2_STD_SECAM_DK |\ 1291 V4L2_STD_SECAM_L |\ 1292 V4L2_STD_SECAM_LC) 1293 /* PAL macros */ 1294 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 1295 V4L2_STD_PAL_B1 |\ 1296 V4L2_STD_PAL_G) 1297 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1298 V4L2_STD_PAL_D1 |\ 1299 V4L2_STD_PAL_K) 1300 /* 1301 * "Common" PAL - This macro is there to be compatible with the old 1302 * V4L1 concept of "PAL": /BGDKHI. 1303 * Several PAL standards are missing here: /M, /N and /Nc 1304 */ 1305 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1306 V4L2_STD_PAL_DK |\ 1307 V4L2_STD_PAL_H |\ 1308 V4L2_STD_PAL_I) 1309 /* Chroma "agnostic" standards */ 1310 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 1311 V4L2_STD_PAL_B1 |\ 1312 V4L2_STD_SECAM_B) 1313 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 1314 V4L2_STD_SECAM_G) 1315 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 1316 V4L2_STD_SECAM_H) 1317 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1318 V4L2_STD_SECAM_LC) 1319 #define V4L2_STD_GH (V4L2_STD_G |\ 1320 V4L2_STD_H) 1321 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1322 V4L2_STD_SECAM_DK) 1323 #define V4L2_STD_BG (V4L2_STD_B |\ 1324 V4L2_STD_G) 1325 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1326 V4L2_STD_PAL_N |\ 1327 V4L2_STD_PAL_Nc |\ 1328 V4L2_STD_NTSC) 1329 1330 /* Standards where MTS/BTSC stereo could be found */ 1331 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1332 V4L2_STD_PAL_M |\ 1333 V4L2_STD_PAL_N |\ 1334 V4L2_STD_PAL_Nc) 1335 1336 /* Standards for Countries with 60Hz Line frequency */ 1337 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1338 V4L2_STD_PAL_60 |\ 1339 V4L2_STD_NTSC |\ 1340 V4L2_STD_NTSC_443) 1341 /* Standards for Countries with 50Hz Line frequency */ 1342 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1343 V4L2_STD_PAL_N |\ 1344 V4L2_STD_PAL_Nc |\ 1345 V4L2_STD_SECAM) 1346 1347 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1348 V4L2_STD_ATSC_16_VSB) 1349 /* Macros with none and all analog standards */ 1350 #define V4L2_STD_UNKNOWN 0 1351 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1352 V4L2_STD_625_50) 1353 1354 struct v4l2_standard { 1355 __u32 index; 1356 v4l2_std_id id; 1357 __u8 name[24]; 1358 struct v4l2_fract frameperiod; /* Frames, not fields */ 1359 __u32 framelines; 1360 __u32 reserved[4]; 1361 }; 1362 1363 /* 1364 * D V B T T I M I N G S 1365 */ 1366 1367 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1368 * @width: total width of the active video in pixels 1369 * @height: total height of the active video in lines 1370 * @interlaced: Interlaced or progressive 1371 * @polarities: Positive or negative polarities 1372 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1373 * @hfrontporch:Horizontal front porch in pixels 1374 * @hsync: Horizontal Sync length in pixels 1375 * @hbackporch: Horizontal back porch in pixels 1376 * @vfrontporch:Vertical front porch in lines 1377 * @vsync: Vertical Sync length in lines 1378 * @vbackporch: Vertical back porch in lines 1379 * @il_vfrontporch:Vertical front porch for the even field 1380 * (aka field 2) of interlaced field formats 1381 * @il_vsync: Vertical Sync length for the even field 1382 * (aka field 2) of interlaced field formats 1383 * @il_vbackporch:Vertical back porch for the even field 1384 * (aka field 2) of interlaced field formats 1385 * @standards: Standards the timing belongs to 1386 * @flags: Flags 1387 * @picture_aspect: The picture aspect ratio (hor/vert). 1388 * @cea861_vic: VIC code as per the CEA-861 standard. 1389 * @hdmi_vic: VIC code as per the HDMI standard. 1390 * @reserved: Reserved fields, must be zeroed. 1391 * 1392 * A note regarding vertical interlaced timings: height refers to the total 1393 * height of the active video frame (= two fields). The blanking timings refer 1394 * to the blanking of each field. So the height of the total frame is 1395 * calculated as follows: 1396 * 1397 * tot_height = height + vfrontporch + vsync + vbackporch + 1398 * il_vfrontporch + il_vsync + il_vbackporch 1399 * 1400 * The active height of each field is height / 2. 1401 */ 1402 struct v4l2_bt_timings { 1403 __u32 width; 1404 __u32 height; 1405 __u32 interlaced; 1406 __u32 polarities; 1407 __u64 pixelclock; 1408 __u32 hfrontporch; 1409 __u32 hsync; 1410 __u32 hbackporch; 1411 __u32 vfrontporch; 1412 __u32 vsync; 1413 __u32 vbackporch; 1414 __u32 il_vfrontporch; 1415 __u32 il_vsync; 1416 __u32 il_vbackporch; 1417 __u32 standards; 1418 __u32 flags; 1419 struct v4l2_fract picture_aspect; 1420 __u8 cea861_vic; 1421 __u8 hdmi_vic; 1422 __u8 reserved[46]; 1423 } __attribute__ ((packed)); 1424 1425 /* Interlaced or progressive format */ 1426 #define V4L2_DV_PROGRESSIVE 0 1427 #define V4L2_DV_INTERLACED 1 1428 1429 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1430 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1431 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1432 1433 /* Timings standards */ 1434 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1435 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1436 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1437 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1438 #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */ 1439 1440 /* Flags */ 1441 1442 /* 1443 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1444 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1445 * intervals are reduced, allowing a higher resolution over the same 1446 * bandwidth. This is a read-only flag. 1447 */ 1448 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1449 /* 1450 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1451 * of six. These formats can be optionally played at 1 / 1.001 speed. 1452 * This is a read-only flag. 1453 */ 1454 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1455 /* 1456 * CEA-861 specific: only valid for video transmitters, the flag is cleared 1457 * by receivers. 1458 * If the framerate of the format is a multiple of six, then the pixelclock 1459 * used to set up the transmitter is divided by 1.001 to make it compatible 1460 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1461 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1462 * such frequencies, then the flag will also be cleared. 1463 */ 1464 #define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1465 /* 1466 * Specific to interlaced formats: if set, then field 1 is really one half-line 1467 * longer and field 2 is really one half-line shorter, so each field has 1468 * exactly the same number of half-lines. Whether half-lines can be detected 1469 * or used depends on the hardware. 1470 */ 1471 #define V4L2_DV_FL_HALF_LINE (1 << 3) 1472 /* 1473 * If set, then this is a Consumer Electronics (CE) video format. Such formats 1474 * differ from other formats (commonly called IT formats) in that if RGB 1475 * encoding is used then by default the RGB values use limited range (i.e. 1476 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861 1477 * except for the 640x480 format are CE formats. 1478 */ 1479 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4) 1480 /* Some formats like SMPTE-125M have an interlaced signal with a odd 1481 * total height. For these formats, if this flag is set, the first 1482 * field has the extra line. If not, it is the second field. 1483 */ 1484 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5) 1485 /* 1486 * If set, then the picture_aspect field is valid. Otherwise assume that the 1487 * pixels are square, so the picture aspect ratio is the same as the width to 1488 * height ratio. 1489 */ 1490 #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6) 1491 /* 1492 * If set, then the cea861_vic field is valid and contains the Video 1493 * Identification Code as per the CEA-861 standard. 1494 */ 1495 #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7) 1496 /* 1497 * If set, then the hdmi_vic field is valid and contains the Video 1498 * Identification Code as per the HDMI standard (HDMI Vendor Specific 1499 * InfoFrame). 1500 */ 1501 #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8) 1502 1503 /* A few useful defines to calculate the total blanking and frame sizes */ 1504 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1505 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1506 #define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1507 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1508 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1509 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1510 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) 1511 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1512 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1513 1514 /** struct v4l2_dv_timings - DV timings 1515 * @type: the type of the timings 1516 * @bt: BT656/1120 timings 1517 */ 1518 struct v4l2_dv_timings { 1519 __u32 type; 1520 union { 1521 struct v4l2_bt_timings bt; 1522 __u32 reserved[32]; 1523 }; 1524 } __attribute__ ((packed)); 1525 1526 /* Values for the type field */ 1527 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1528 1529 1530 /** struct v4l2_enum_dv_timings - DV timings enumeration 1531 * @index: enumeration index 1532 * @pad: the pad number for which to enumerate timings (used with 1533 * v4l-subdev nodes only) 1534 * @reserved: must be zeroed 1535 * @timings: the timings for the given index 1536 */ 1537 struct v4l2_enum_dv_timings { 1538 __u32 index; 1539 __u32 pad; 1540 __u32 reserved[2]; 1541 struct v4l2_dv_timings timings; 1542 }; 1543 1544 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1545 * @min_width: width in pixels 1546 * @max_width: width in pixels 1547 * @min_height: height in lines 1548 * @max_height: height in lines 1549 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1550 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1551 * @standards: Supported standards 1552 * @capabilities: Supported capabilities 1553 * @reserved: Must be zeroed 1554 */ 1555 struct v4l2_bt_timings_cap { 1556 __u32 min_width; 1557 __u32 max_width; 1558 __u32 min_height; 1559 __u32 max_height; 1560 __u64 min_pixelclock; 1561 __u64 max_pixelclock; 1562 __u32 standards; 1563 __u32 capabilities; 1564 __u32 reserved[16]; 1565 } __attribute__ ((packed)); 1566 1567 /* Supports interlaced formats */ 1568 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1569 /* Supports progressive formats */ 1570 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1571 /* Supports CVT/GTF reduced blanking */ 1572 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1573 /* Supports custom formats */ 1574 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1575 1576 /** struct v4l2_dv_timings_cap - DV timings capabilities 1577 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1578 * @pad: the pad number for which to query capabilities (used with 1579 * v4l-subdev nodes only) 1580 * @bt: the BT656/1120 timings capabilities 1581 */ 1582 struct v4l2_dv_timings_cap { 1583 __u32 type; 1584 __u32 pad; 1585 __u32 reserved[2]; 1586 union { 1587 struct v4l2_bt_timings_cap bt; 1588 __u32 raw_data[32]; 1589 }; 1590 }; 1591 1592 1593 /* 1594 * V I D E O I N P U T S 1595 */ 1596 struct v4l2_input { 1597 __u32 index; /* Which input */ 1598 __u8 name[32]; /* Label */ 1599 __u32 type; /* Type of input */ 1600 __u32 audioset; /* Associated audios (bitfield) */ 1601 __u32 tuner; /* enum v4l2_tuner_type */ 1602 v4l2_std_id std; 1603 __u32 status; 1604 __u32 capabilities; 1605 __u32 reserved[3]; 1606 }; 1607 1608 /* Values for the 'type' field */ 1609 #define V4L2_INPUT_TYPE_TUNER 1 1610 #define V4L2_INPUT_TYPE_CAMERA 2 1611 #define V4L2_INPUT_TYPE_TOUCH 3 1612 1613 /* field 'status' - general */ 1614 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1615 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1616 #define V4L2_IN_ST_NO_COLOR 0x00000004 1617 1618 /* field 'status' - sensor orientation */ 1619 /* If sensor is mounted upside down set both bits */ 1620 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1621 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1622 1623 /* field 'status' - analog */ 1624 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1625 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1626 #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */ 1627 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */ 1628 1629 /* field 'status' - digital */ 1630 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1631 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1632 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1633 1634 /* field 'status' - VCR and set-top box */ 1635 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1636 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1637 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1638 1639 /* capabilities flags */ 1640 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1641 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1642 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1643 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1644 1645 /* 1646 * V I D E O O U T P U T S 1647 */ 1648 struct v4l2_output { 1649 __u32 index; /* Which output */ 1650 __u8 name[32]; /* Label */ 1651 __u32 type; /* Type of output */ 1652 __u32 audioset; /* Associated audios (bitfield) */ 1653 __u32 modulator; /* Associated modulator */ 1654 v4l2_std_id std; 1655 __u32 capabilities; 1656 __u32 reserved[3]; 1657 }; 1658 /* Values for the 'type' field */ 1659 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1660 #define V4L2_OUTPUT_TYPE_ANALOG 2 1661 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1662 1663 /* capabilities flags */ 1664 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1665 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1666 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1667 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1668 1669 /* 1670 * C O N T R O L S 1671 */ 1672 struct v4l2_control { 1673 __u32 id; 1674 __s32 value; 1675 }; 1676 1677 struct v4l2_ext_control { 1678 __u32 id; 1679 __u32 size; 1680 __u32 reserved2[1]; 1681 union { 1682 __s32 value; 1683 __s64 value64; 1684 char *string; 1685 __u8 *p_u8; 1686 __u16 *p_u16; 1687 __u32 *p_u32; 1688 void *ptr; 1689 }; 1690 } __attribute__ ((packed)); 1691 1692 struct v4l2_ext_controls { 1693 union { 1694 __u32 ctrl_class; 1695 __u32 which; 1696 }; 1697 __u32 count; 1698 __u32 error_idx; 1699 __u32 reserved[2]; 1700 struct v4l2_ext_control *controls; 1701 }; 1702 1703 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1704 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1705 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL) 1706 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1707 #define V4L2_CTRL_MAX_DIMS (4) 1708 #define V4L2_CTRL_WHICH_CUR_VAL 0 1709 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000 1710 1711 enum v4l2_ctrl_type { 1712 V4L2_CTRL_TYPE_INTEGER = 1, 1713 V4L2_CTRL_TYPE_BOOLEAN = 2, 1714 V4L2_CTRL_TYPE_MENU = 3, 1715 V4L2_CTRL_TYPE_BUTTON = 4, 1716 V4L2_CTRL_TYPE_INTEGER64 = 5, 1717 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1718 V4L2_CTRL_TYPE_STRING = 7, 1719 V4L2_CTRL_TYPE_BITMASK = 8, 1720 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1721 1722 /* Compound types are >= 0x0100 */ 1723 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1724 V4L2_CTRL_TYPE_U8 = 0x0100, 1725 V4L2_CTRL_TYPE_U16 = 0x0101, 1726 V4L2_CTRL_TYPE_U32 = 0x0102, 1727 }; 1728 1729 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1730 struct v4l2_queryctrl { 1731 __u32 id; 1732 __u32 type; /* enum v4l2_ctrl_type */ 1733 __u8 name[32]; /* Whatever */ 1734 __s32 minimum; /* Note signedness */ 1735 __s32 maximum; 1736 __s32 step; 1737 __s32 default_value; 1738 __u32 flags; 1739 __u32 reserved[2]; 1740 }; 1741 1742 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1743 struct v4l2_query_ext_ctrl { 1744 __u32 id; 1745 __u32 type; 1746 char name[32]; 1747 __s64 minimum; 1748 __s64 maximum; 1749 __u64 step; 1750 __s64 default_value; 1751 __u32 flags; 1752 __u32 elem_size; 1753 __u32 elems; 1754 __u32 nr_of_dims; 1755 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1756 __u32 reserved[32]; 1757 }; 1758 1759 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1760 struct v4l2_querymenu { 1761 __u32 id; 1762 __u32 index; 1763 union { 1764 __u8 name[32]; /* Whatever */ 1765 __s64 value; 1766 }; 1767 __u32 reserved; 1768 } __attribute__ ((packed)); 1769 1770 /* Control flags */ 1771 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1772 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1773 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1774 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1775 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1776 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1777 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1778 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1779 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1780 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 1781 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400 1782 1783 /* Query flags, to be ORed with the control ID */ 1784 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1785 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1786 1787 /* User-class control IDs defined by V4L2 */ 1788 #define V4L2_CID_MAX_CTRLS 1024 1789 /* IDs reserved for driver specific controls */ 1790 #define V4L2_CID_PRIVATE_BASE 0x08000000 1791 1792 1793 /* 1794 * T U N I N G 1795 */ 1796 struct v4l2_tuner { 1797 __u32 index; 1798 __u8 name[32]; 1799 __u32 type; /* enum v4l2_tuner_type */ 1800 __u32 capability; 1801 __u32 rangelow; 1802 __u32 rangehigh; 1803 __u32 rxsubchans; 1804 __u32 audmode; 1805 __s32 signal; 1806 __s32 afc; 1807 __u32 reserved[4]; 1808 }; 1809 1810 struct v4l2_modulator { 1811 __u32 index; 1812 __u8 name[32]; 1813 __u32 capability; 1814 __u32 rangelow; 1815 __u32 rangehigh; 1816 __u32 txsubchans; 1817 __u32 type; /* enum v4l2_tuner_type */ 1818 __u32 reserved[3]; 1819 }; 1820 1821 /* Flags for the 'capability' field */ 1822 #define V4L2_TUNER_CAP_LOW 0x0001 1823 #define V4L2_TUNER_CAP_NORM 0x0002 1824 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1825 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1826 #define V4L2_TUNER_CAP_STEREO 0x0010 1827 #define V4L2_TUNER_CAP_LANG2 0x0020 1828 #define V4L2_TUNER_CAP_SAP 0x0020 1829 #define V4L2_TUNER_CAP_LANG1 0x0040 1830 #define V4L2_TUNER_CAP_RDS 0x0080 1831 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1832 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1833 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1834 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1835 #define V4L2_TUNER_CAP_1HZ 0x1000 1836 1837 /* Flags for the 'rxsubchans' field */ 1838 #define V4L2_TUNER_SUB_MONO 0x0001 1839 #define V4L2_TUNER_SUB_STEREO 0x0002 1840 #define V4L2_TUNER_SUB_LANG2 0x0004 1841 #define V4L2_TUNER_SUB_SAP 0x0004 1842 #define V4L2_TUNER_SUB_LANG1 0x0008 1843 #define V4L2_TUNER_SUB_RDS 0x0010 1844 1845 /* Values for the 'audmode' field */ 1846 #define V4L2_TUNER_MODE_MONO 0x0000 1847 #define V4L2_TUNER_MODE_STEREO 0x0001 1848 #define V4L2_TUNER_MODE_LANG2 0x0002 1849 #define V4L2_TUNER_MODE_SAP 0x0002 1850 #define V4L2_TUNER_MODE_LANG1 0x0003 1851 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1852 1853 struct v4l2_frequency { 1854 __u32 tuner; 1855 __u32 type; /* enum v4l2_tuner_type */ 1856 __u32 frequency; 1857 __u32 reserved[8]; 1858 }; 1859 1860 #define V4L2_BAND_MODULATION_VSB (1 << 1) 1861 #define V4L2_BAND_MODULATION_FM (1 << 2) 1862 #define V4L2_BAND_MODULATION_AM (1 << 3) 1863 1864 struct v4l2_frequency_band { 1865 __u32 tuner; 1866 __u32 type; /* enum v4l2_tuner_type */ 1867 __u32 index; 1868 __u32 capability; 1869 __u32 rangelow; 1870 __u32 rangehigh; 1871 __u32 modulation; 1872 __u32 reserved[9]; 1873 }; 1874 1875 struct v4l2_hw_freq_seek { 1876 __u32 tuner; 1877 __u32 type; /* enum v4l2_tuner_type */ 1878 __u32 seek_upward; 1879 __u32 wrap_around; 1880 __u32 spacing; 1881 __u32 rangelow; 1882 __u32 rangehigh; 1883 __u32 reserved[5]; 1884 }; 1885 1886 /* 1887 * R D S 1888 */ 1889 1890 struct v4l2_rds_data { 1891 __u8 lsb; 1892 __u8 msb; 1893 __u8 block; 1894 } __attribute__ ((packed)); 1895 1896 #define V4L2_RDS_BLOCK_MSK 0x7 1897 #define V4L2_RDS_BLOCK_A 0 1898 #define V4L2_RDS_BLOCK_B 1 1899 #define V4L2_RDS_BLOCK_C 2 1900 #define V4L2_RDS_BLOCK_D 3 1901 #define V4L2_RDS_BLOCK_C_ALT 4 1902 #define V4L2_RDS_BLOCK_INVALID 7 1903 1904 #define V4L2_RDS_BLOCK_CORRECTED 0x40 1905 #define V4L2_RDS_BLOCK_ERROR 0x80 1906 1907 /* 1908 * A U D I O 1909 */ 1910 struct v4l2_audio { 1911 __u32 index; 1912 __u8 name[32]; 1913 __u32 capability; 1914 __u32 mode; 1915 __u32 reserved[2]; 1916 }; 1917 1918 /* Flags for the 'capability' field */ 1919 #define V4L2_AUDCAP_STEREO 0x00001 1920 #define V4L2_AUDCAP_AVL 0x00002 1921 1922 /* Flags for the 'mode' field */ 1923 #define V4L2_AUDMODE_AVL 0x00001 1924 1925 struct v4l2_audioout { 1926 __u32 index; 1927 __u8 name[32]; 1928 __u32 capability; 1929 __u32 mode; 1930 __u32 reserved[2]; 1931 }; 1932 1933 /* 1934 * M P E G S E R V I C E S 1935 */ 1936 #if 1 1937 #define V4L2_ENC_IDX_FRAME_I (0) 1938 #define V4L2_ENC_IDX_FRAME_P (1) 1939 #define V4L2_ENC_IDX_FRAME_B (2) 1940 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 1941 1942 struct v4l2_enc_idx_entry { 1943 __u64 offset; 1944 __u64 pts; 1945 __u32 length; 1946 __u32 flags; 1947 __u32 reserved[2]; 1948 }; 1949 1950 #define V4L2_ENC_IDX_ENTRIES (64) 1951 struct v4l2_enc_idx { 1952 __u32 entries; 1953 __u32 entries_cap; 1954 __u32 reserved[4]; 1955 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 1956 }; 1957 1958 1959 #define V4L2_ENC_CMD_START (0) 1960 #define V4L2_ENC_CMD_STOP (1) 1961 #define V4L2_ENC_CMD_PAUSE (2) 1962 #define V4L2_ENC_CMD_RESUME (3) 1963 1964 /* Flags for V4L2_ENC_CMD_STOP */ 1965 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 1966 1967 struct v4l2_encoder_cmd { 1968 __u32 cmd; 1969 __u32 flags; 1970 union { 1971 struct { 1972 __u32 data[8]; 1973 } raw; 1974 }; 1975 }; 1976 1977 /* Decoder commands */ 1978 #define V4L2_DEC_CMD_START (0) 1979 #define V4L2_DEC_CMD_STOP (1) 1980 #define V4L2_DEC_CMD_PAUSE (2) 1981 #define V4L2_DEC_CMD_RESUME (3) 1982 #define V4L2_QCOM_CMD_FLUSH (4) 1983 #define V4L2_QCOM_CMD_SESSION_CONTINUE (5) 1984 #define V4L2_DEC_QCOM_CMD_RECONFIG_HINT (6) 1985 /* Flags for V4L2_DEC_CMD_START */ 1986 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 1987 1988 /* Flags for V4L2_DEC_CMD_PAUSE */ 1989 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 1990 1991 /* Flags for V4L2_DEC_CMD_STOP */ 1992 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 1993 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 1994 1995 /* Flags for V4L2_QCOM_CMD_FLUSH */ 1996 #define V4L2_QCOM_CMD_FLUSH_OUTPUT (1 << 0) 1997 #define V4L2_QCOM_CMD_FLUSH_CAPTURE (1 << 1) 1998 1999 /* Play format requirements (returned by the driver): */ 2000 2001 /* The decoder has no special format requirements */ 2002 #define V4L2_DEC_START_FMT_NONE (0) 2003 /* The decoder requires full GOPs */ 2004 #define V4L2_DEC_START_FMT_GOP (1) 2005 2006 /* The structure must be zeroed before use by the application 2007 This ensures it can be extended safely in the future. */ 2008 struct v4l2_decoder_cmd { 2009 __u32 cmd; 2010 __u32 flags; 2011 union { 2012 struct { 2013 __u64 pts; 2014 } stop; 2015 2016 struct { 2017 /* 0 or 1000 specifies normal speed, 2018 1 specifies forward single stepping, 2019 -1 specifies backward single stepping, 2020 >1: playback at speed/1000 of the normal speed, 2021 <-1: reverse playback at (-speed/1000) of the normal speed. */ 2022 __s32 speed; 2023 __u32 format; 2024 } start; 2025 2026 struct { 2027 __u32 data[16]; 2028 } raw; 2029 }; 2030 }; 2031 #endif 2032 2033 2034 /* 2035 * D A T A S E R V I C E S ( V B I ) 2036 * 2037 * Data services API by Michael Schimek 2038 */ 2039 2040 /* Raw VBI */ 2041 struct v4l2_vbi_format { 2042 __u32 sampling_rate; /* in 1 Hz */ 2043 __u32 offset; 2044 __u32 samples_per_line; 2045 __u32 sample_format; /* V4L2_PIX_FMT_* */ 2046 __s32 start[2]; 2047 __u32 count[2]; 2048 __u32 flags; /* V4L2_VBI_* */ 2049 __u32 reserved[2]; /* must be zero */ 2050 }; 2051 2052 /* VBI flags */ 2053 #define V4L2_VBI_UNSYNC (1 << 0) 2054 #define V4L2_VBI_INTERLACED (1 << 1) 2055 2056 /* ITU-R start lines for each field */ 2057 #define V4L2_VBI_ITU_525_F1_START (1) 2058 #define V4L2_VBI_ITU_525_F2_START (264) 2059 #define V4L2_VBI_ITU_625_F1_START (1) 2060 #define V4L2_VBI_ITU_625_F2_START (314) 2061 2062 /* Sliced VBI 2063 * 2064 * This implements is a proposal V4L2 API to allow SLICED VBI 2065 * required for some hardware encoders. It should change without 2066 * notice in the definitive implementation. 2067 */ 2068 2069 struct v4l2_sliced_vbi_format { 2070 __u16 service_set; 2071 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2072 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2073 (equals frame lines 313-336 for 625 line video 2074 standards, 263-286 for 525 line standards) */ 2075 __u16 service_lines[2][24]; 2076 __u32 io_size; 2077 __u32 reserved[2]; /* must be zero */ 2078 }; 2079 2080 /* Teletext World System Teletext 2081 (WST), defined on ITU-R BT.653-2 */ 2082 #define V4L2_SLICED_TELETEXT_B (0x0001) 2083 /* Video Program System, defined on ETS 300 231*/ 2084 #define V4L2_SLICED_VPS (0x0400) 2085 /* Closed Caption, defined on EIA-608 */ 2086 #define V4L2_SLICED_CAPTION_525 (0x1000) 2087 /* Wide Screen System, defined on ITU-R BT1119.1 */ 2088 #define V4L2_SLICED_WSS_625 (0x4000) 2089 2090 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 2091 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 2092 2093 struct v4l2_sliced_vbi_cap { 2094 __u16 service_set; 2095 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2096 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2097 (equals frame lines 313-336 for 625 line video 2098 standards, 263-286 for 525 line standards) */ 2099 __u16 service_lines[2][24]; 2100 __u32 type; /* enum v4l2_buf_type */ 2101 __u32 reserved[3]; /* must be 0 */ 2102 }; 2103 2104 struct v4l2_sliced_vbi_data { 2105 __u32 id; 2106 __u32 field; /* 0: first field, 1: second field */ 2107 __u32 line; /* 1-23 */ 2108 __u32 reserved; /* must be 0 */ 2109 __u8 data[48]; 2110 }; 2111 2112 /* 2113 * Sliced VBI data inserted into MPEG Streams 2114 */ 2115 2116 /* 2117 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 2118 * 2119 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 2120 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 2121 * data 2122 * 2123 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 2124 * definitions are not included here. See the MPEG-2 specifications for details 2125 * on these headers. 2126 */ 2127 2128 /* Line type IDs */ 2129 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 2130 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 2131 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 2132 #define V4L2_MPEG_VBI_IVTV_VPS (7) 2133 2134 struct v4l2_mpeg_vbi_itv0_line { 2135 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 2136 __u8 data[42]; /* Sliced VBI data for the line */ 2137 } __attribute__ ((packed)); 2138 2139 struct v4l2_mpeg_vbi_itv0 { 2140 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 2141 struct v4l2_mpeg_vbi_itv0_line line[35]; 2142 } __attribute__ ((packed)); 2143 2144 struct v4l2_mpeg_vbi_ITV0 { 2145 struct v4l2_mpeg_vbi_itv0_line line[36]; 2146 } __attribute__ ((packed)); 2147 2148 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 2149 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 2150 2151 struct v4l2_mpeg_vbi_fmt_ivtv { 2152 __u8 magic[4]; 2153 union { 2154 struct v4l2_mpeg_vbi_itv0 itv0; 2155 struct v4l2_mpeg_vbi_ITV0 ITV0; 2156 }; 2157 } __attribute__ ((packed)); 2158 2159 /* 2160 * A G G R E G A T E S T R U C T U R E S 2161 */ 2162 2163 /** 2164 * struct v4l2_plane_pix_format - additional, per-plane format definition 2165 * @sizeimage: maximum size in bytes required for data, for which 2166 * this plane will be used 2167 * @bytesperline: distance in bytes between the leftmost pixels in two 2168 * adjacent lines 2169 */ 2170 struct v4l2_plane_pix_format { 2171 __u32 sizeimage; 2172 __u32 bytesperline; 2173 __u16 reserved[6]; 2174 } __attribute__ ((packed)); 2175 2176 /** 2177 * struct v4l2_pix_format_mplane - multiplanar format definition 2178 * @width: image width in pixels 2179 * @height: image height in pixels 2180 * @pixelformat: little endian four character code (fourcc) 2181 * @field: enum v4l2_field; field order (for interlaced video) 2182 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 2183 * @plane_fmt: per-plane information 2184 * @num_planes: number of planes for this format 2185 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 2186 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding 2187 * @quantization: enum v4l2_quantization, colorspace quantization 2188 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function 2189 */ 2190 struct v4l2_pix_format_mplane { 2191 __u32 width; 2192 __u32 height; 2193 __u32 pixelformat; 2194 __u32 field; 2195 __u32 colorspace; 2196 2197 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 2198 __u8 num_planes; 2199 __u8 flags; 2200 union { 2201 __u8 ycbcr_enc; 2202 __u8 hsv_enc; 2203 }; 2204 __u8 quantization; 2205 __u8 xfer_func; 2206 __u8 reserved[7]; 2207 } __attribute__ ((packed)); 2208 2209 /** 2210 * struct v4l2_sdr_format - SDR format definition 2211 * @pixelformat: little endian four character code (fourcc) 2212 * @buffersize: maximum size in bytes required for data 2213 */ 2214 struct v4l2_sdr_format { 2215 __u32 pixelformat; 2216 __u32 buffersize; 2217 __u8 reserved[24]; 2218 } __attribute__ ((packed)); 2219 2220 /** 2221 * struct v4l2_meta_format - metadata format definition 2222 * @dataformat: little endian four character code (fourcc) 2223 * @buffersize: maximum size in bytes required for data 2224 */ 2225 struct v4l2_meta_format { 2226 __u32 dataformat; 2227 __u32 buffersize; 2228 } __attribute__ ((packed)); 2229 2230 /** 2231 * struct v4l2_format - stream data format 2232 * @type: enum v4l2_buf_type; type of the data stream 2233 * @pix: definition of an image format 2234 * @pix_mp: definition of a multiplanar image format 2235 * @win: definition of an overlaid image 2236 * @vbi: raw VBI capture or output parameters 2237 * @sliced: sliced VBI capture or output parameters 2238 * @raw_data: placeholder for future extensions and custom formats 2239 */ 2240 struct v4l2_format { 2241 __u32 type; 2242 union { 2243 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 2244 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 2245 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 2246 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 2247 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 2248 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 2249 struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */ 2250 __u8 raw_data[200]; /* user-defined */ 2251 } fmt; 2252 }; 2253 2254 /* Stream type-dependent parameters 2255 */ 2256 struct v4l2_streamparm { 2257 __u32 type; /* enum v4l2_buf_type */ 2258 union { 2259 struct v4l2_captureparm capture; 2260 struct v4l2_outputparm output; 2261 __u8 raw_data[200]; /* user-defined */ 2262 } parm; 2263 }; 2264 2265 /* 2266 * E V E N T S 2267 */ 2268 2269 #define V4L2_EVENT_ALL 0 2270 #define V4L2_EVENT_VSYNC 1 2271 #define V4L2_EVENT_EOS 2 2272 #define V4L2_EVENT_CTRL 3 2273 #define V4L2_EVENT_FRAME_SYNC 4 2274 #define V4L2_EVENT_SOURCE_CHANGE 5 2275 #define V4L2_EVENT_MOTION_DET 6 2276 #define V4L2_EVENT_PRIVATE_START 0x08000000 2277 2278 #define V4L2_EVENT_BITDEPTH_FLAG 0x1 2279 #define V4L2_EVENT_PICSTRUCT_FLAG 0x2 2280 #define V4L2_EVENT_COLOUR_SPACE_FLAG 0x4 2281 2282 #define V4L2_EVENT_MSM_VIDC_START (V4L2_EVENT_PRIVATE_START + 0x00001000) 2283 #define V4L2_EVENT_MSM_VIDC_FLUSH_DONE (V4L2_EVENT_MSM_VIDC_START + 1) 2284 #define V4L2_EVENT_MSM_VIDC_PORT_SETTINGS_CHANGED_SUFFICIENT \ 2285 (V4L2_EVENT_MSM_VIDC_START + 2) 2286 #define V4L2_EVENT_MSM_VIDC_PORT_SETTINGS_CHANGED_INSUFFICIENT \ 2287 (V4L2_EVENT_MSM_VIDC_START + 3) 2288 /* 2289 * Bitdepth changed insufficient is deprecated now, however retaining 2290 * to prevent changing the values of the other macros after bitdepth 2291 */ 2292 #define V4L2_EVENT_MSM_VIDC_PORT_SETTINGS_BITDEPTH_CHANGED_INSUFFICIENT \ 2293 (V4L2_EVENT_MSM_VIDC_START + 4) 2294 #define V4L2_EVENT_MSM_VIDC_SYS_ERROR (V4L2_EVENT_MSM_VIDC_START + 5) 2295 #define V4L2_EVENT_MSM_VIDC_RELEASE_BUFFER_REFERENCE \ 2296 (V4L2_EVENT_MSM_VIDC_START + 6) 2297 #define V4L2_EVENT_MSM_VIDC_RELEASE_UNQUEUED_BUFFER \ 2298 (V4L2_EVENT_MSM_VIDC_START + 7) 2299 #define V4L2_EVENT_MSM_VIDC_HW_OVERLOAD (V4L2_EVENT_MSM_VIDC_START + 8) 2300 #define V4L2_EVENT_MSM_VIDC_MAX_CLIENTS (V4L2_EVENT_MSM_VIDC_START + 9) 2301 #define V4L2_EVENT_MSM_VIDC_HW_UNSUPPORTED (V4L2_EVENT_MSM_VIDC_START + 10) 2302 #define V4L2_EVENT_MSM_VIDC_REGISTER_BUFFER_DONE \ 2303 (V4L2_EVENT_MSM_VIDC_START + 11) 2304 #define V4L2_EVENT_MSM_VIDC_UNREGISTER_BUFFER_DONE \ 2305 (V4L2_EVENT_MSM_VIDC_START + 12) 2306 2307 /* Payload for V4L2_EVENT_VSYNC */ 2308 struct v4l2_event_vsync { 2309 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 2310 __u8 field; 2311 } __attribute__ ((packed)); 2312 2313 /* Payload for V4L2_EVENT_CTRL */ 2314 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 2315 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 2316 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 2317 2318 struct v4l2_event_ctrl { 2319 __u32 changes; 2320 __u32 type; 2321 union { 2322 __s32 value; 2323 __s64 value64; 2324 }; 2325 __u32 flags; 2326 __s32 minimum; 2327 __s32 maximum; 2328 __s32 step; 2329 __s32 default_value; 2330 }; 2331 2332 struct v4l2_event_frame_sync { 2333 __u32 frame_sequence; 2334 }; 2335 2336 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 2337 2338 struct v4l2_event_src_change { 2339 __u32 changes; 2340 }; 2341 2342 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 2343 2344 /** 2345 * struct v4l2_event_motion_det - motion detection event 2346 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 2347 * frame_sequence field is valid. 2348 * @frame_sequence: the frame sequence number associated with this event. 2349 * @region_mask: which regions detected motion. 2350 */ 2351 struct v4l2_event_motion_det { 2352 __u32 flags; 2353 __u32 frame_sequence; 2354 __u32 region_mask; 2355 }; 2356 2357 struct v4l2_event { 2358 __u32 type; 2359 union { 2360 struct v4l2_event_vsync vsync; 2361 struct v4l2_event_ctrl ctrl; 2362 struct v4l2_event_frame_sync frame_sync; 2363 struct v4l2_event_src_change src_change; 2364 struct v4l2_event_motion_det motion_det; 2365 __u8 data[64]; 2366 } u; 2367 __u32 pending; 2368 __u32 sequence; 2369 struct timespec timestamp; 2370 __u32 id; 2371 __u32 reserved[8]; 2372 }; 2373 2374 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2375 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2376 2377 struct v4l2_event_subscription { 2378 __u32 type; 2379 __u32 id; 2380 __u32 flags; 2381 __u32 reserved[5]; 2382 }; 2383 2384 /* 2385 * A D V A N C E D D E B U G G I N G 2386 * 2387 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2388 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2389 */ 2390 2391 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2392 2393 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2394 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2395 2396 /* The following four defines are no longer in use */ 2397 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2398 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2399 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2400 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2401 2402 struct v4l2_dbg_match { 2403 __u32 type; /* Match type */ 2404 union { /* Match this chip, meaning determined by type */ 2405 __u32 addr; 2406 char name[32]; 2407 }; 2408 } __attribute__ ((packed)); 2409 2410 struct v4l2_dbg_register { 2411 struct v4l2_dbg_match match; 2412 __u32 size; /* register size in bytes */ 2413 __u64 reg; 2414 __u64 val; 2415 } __attribute__ ((packed)); 2416 2417 #define V4L2_CHIP_FL_READABLE (1 << 0) 2418 #define V4L2_CHIP_FL_WRITABLE (1 << 1) 2419 2420 /* VIDIOC_DBG_G_CHIP_INFO */ 2421 struct v4l2_dbg_chip_info { 2422 struct v4l2_dbg_match match; 2423 char name[32]; 2424 __u32 flags; 2425 __u32 reserved[32]; 2426 } __attribute__ ((packed)); 2427 2428 /** 2429 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2430 * @index: on return, index of the first created buffer 2431 * @count: entry: number of requested buffers, 2432 * return: number of created buffers 2433 * @memory: enum v4l2_memory; buffer memory type 2434 * @format: frame format, for which buffers are requested 2435 * @reserved: future extensions 2436 */ 2437 struct v4l2_create_buffers { 2438 __u32 index; 2439 __u32 count; 2440 __u32 memory; 2441 struct v4l2_format format; 2442 __u32 reserved[8]; 2443 }; 2444 2445 /* 2446 * 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 2447 * 2448 */ 2449 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2450 #define VIDIOC_RESERVED _IO('V', 1) 2451 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2452 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2453 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2454 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2455 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2456 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2457 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2458 #define VIDIOC_OVERLAY _IOW('V', 14, int) 2459 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2460 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2461 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2462 #define VIDIOC_STREAMON _IOW('V', 18, int) 2463 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 2464 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2465 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2466 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2467 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2468 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2469 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2470 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2471 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2472 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2473 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2474 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2475 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2476 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2477 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2478 #define VIDIOC_G_INPUT _IOR('V', 38, int) 2479 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 2480 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2481 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2482 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2483 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2484 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2485 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2486 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2487 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2488 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2489 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2490 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2491 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2492 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2493 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2494 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2495 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2496 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2497 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2498 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2499 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2500 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2501 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2502 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2503 #define VIDIOC_LOG_STATUS _IO('V', 70) 2504 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2505 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2506 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2507 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2508 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2509 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2510 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2511 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2512 2513 /* 2514 * Experimental, meant for debugging, testing and internal use. 2515 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2516 * You must be root to use these ioctls. Never use these in applications! 2517 */ 2518 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2519 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2520 2521 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2522 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2523 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2524 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2525 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2526 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2527 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2528 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2529 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2530 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2531 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2532 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2533 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2534 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2535 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2536 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2537 2538 /* 2539 * Experimental, meant for debugging, testing and internal use. 2540 * Never use this in applications! 2541 */ 2542 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2543 2544 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2545 2546 /* Reminder: when adding new ioctls please add support for them to 2547 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */ 2548 2549 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2550 2551 /* (BASE_VIDIOC_PRIVATE + 0) is private ioctl code for video module */ 2552 #define BASE_VIDIOC_PRIVATE_VIDEO (BASE_VIDIOC_PRIVATE + 0) 2553 2554 #endif /* __LINUX_VIDEODEV2_H */ 2555