1 /* 2 * Video for Linux Two header file 3 * 4 * Copyright (C) 1999-2012 the contributors 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * Alternatively you can redistribute this file under the terms of the 17 * BSD license as stated below: 18 * 19 * Redistribution and use in source and binary forms, with or without 20 * modification, are permitted provided that the following conditions 21 * are met: 22 * 1. Redistributions of source code must retain the above copyright 23 * notice, this list of conditions and the following disclaimer. 24 * 2. Redistributions in binary form must reproduce the above copyright 25 * notice, this list of conditions and the following disclaimer in 26 * the documentation and/or other materials provided with the 27 * distribution. 28 * 3. The names of its contributors may not be used to endorse or promote 29 * products derived from this software without specific prior written 30 * permission. 31 * 32 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 33 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 34 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 35 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 36 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 37 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 38 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 39 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 40 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 41 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 42 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 43 * 44 * Header file for v4l or V4L2 drivers and applications 45 * with public API. 46 * All kernel-specific stuff were moved to media/v4l2-dev.h, so 47 * no #if __KERNEL tests are allowed here 48 * 49 * See http://linuxtv.org for more info 50 * 51 * Author: Bill Dirks <bill@thedirks.org> 52 * Justin Schoeman 53 * Hans Verkuil <hverkuil@xs4all.nl> 54 * et al. 55 */ 56 #ifndef _UAPI__LINUX_VIDEODEV2_H 57 #define _UAPI__LINUX_VIDEODEV2_H 58 59 #ifndef __KERNEL__ 60 #include <sys/time.h> 61 #endif 62 #include <linux/compiler.h> 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 32 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 #if 1 142 /* Experimental */ 143 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8, 144 #endif 145 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9, 146 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10, 147 V4L2_BUF_TYPE_SDR_CAPTURE = 11, 148 /* Deprecated, do not use */ 149 V4L2_BUF_TYPE_PRIVATE = 0x80, 150 }; 151 152 #define V4L2_TYPE_IS_MULTIPLANAR(type) \ 153 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \ 154 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 155 156 #define V4L2_TYPE_IS_OUTPUT(type) \ 157 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \ 158 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \ 159 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \ 160 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \ 161 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \ 162 || (type) == V4L2_BUF_TYPE_SLICED_VBI_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_ADC = 4, 169 V4L2_TUNER_RF = 5, 170 }; 171 172 enum v4l2_memory { 173 V4L2_MEMORY_MMAP = 1, 174 V4L2_MEMORY_USERPTR = 2, 175 V4L2_MEMORY_OVERLAY = 3, 176 V4L2_MEMORY_DMABUF = 4, 177 }; 178 179 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 180 enum v4l2_colorspace { 181 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */ 182 V4L2_COLORSPACE_SMPTE170M = 1, 183 184 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */ 185 V4L2_COLORSPACE_SMPTE240M = 2, 186 187 /* Rec.709: used for HDTV */ 188 V4L2_COLORSPACE_REC709 = 3, 189 190 /* 191 * Deprecated, do not use. No driver will ever return this. This was 192 * based on a misunderstanding of the bt878 datasheet. 193 */ 194 V4L2_COLORSPACE_BT878 = 4, 195 196 /* 197 * NTSC 1953 colorspace. This only makes sense when dealing with 198 * really, really old NTSC recordings. Superseded by SMPTE 170M. 199 */ 200 V4L2_COLORSPACE_470_SYSTEM_M = 5, 201 202 /* 203 * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when 204 * dealing with really old PAL/SECAM recordings. Superseded by 205 * SMPTE 170M. 206 */ 207 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 208 209 /* 210 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601 211 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG. 212 */ 213 V4L2_COLORSPACE_JPEG = 7, 214 215 /* For RGB colorspaces such as produces by most webcams. */ 216 V4L2_COLORSPACE_SRGB = 8, 217 218 /* AdobeRGB colorspace */ 219 V4L2_COLORSPACE_ADOBERGB = 9, 220 221 /* BT.2020 colorspace, used for UHDTV. */ 222 V4L2_COLORSPACE_BT2020 = 10, 223 }; 224 225 enum v4l2_ycbcr_encoding { 226 /* 227 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the 228 * various colorspaces: 229 * 230 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 231 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_ADOBERGB and 232 * V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601 233 * 234 * V4L2_COLORSPACE_REC709: V4L2_YCBCR_ENC_709 235 * 236 * V4L2_COLORSPACE_SRGB: V4L2_YCBCR_ENC_SYCC 237 * 238 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020 239 * 240 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M 241 */ 242 V4L2_YCBCR_ENC_DEFAULT = 0, 243 244 /* ITU-R 601 -- SDTV */ 245 V4L2_YCBCR_ENC_601 = 1, 246 247 /* Rec. 709 -- HDTV */ 248 V4L2_YCBCR_ENC_709 = 2, 249 250 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */ 251 V4L2_YCBCR_ENC_XV601 = 3, 252 253 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */ 254 V4L2_YCBCR_ENC_XV709 = 4, 255 256 /* sYCC (Y'CbCr encoding of sRGB) */ 257 V4L2_YCBCR_ENC_SYCC = 5, 258 259 /* BT.2020 Non-constant Luminance Y'CbCr */ 260 V4L2_YCBCR_ENC_BT2020 = 6, 261 262 /* BT.2020 Constant Luminance Y'CbcCrc */ 263 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7, 264 265 /* SMPTE 240M -- Obsolete HDTV */ 266 V4L2_YCBCR_ENC_SMPTE240M = 8, 267 }; 268 269 enum v4l2_quantization { 270 /* 271 * The default for R'G'B' quantization is always full range, except 272 * for the BT2020 colorspace. For Y'CbCr the quantization is always 273 * limited range, except for COLORSPACE_JPEG, SYCC, XV601 or XV709: 274 * those are full range. 275 */ 276 V4L2_QUANTIZATION_DEFAULT = 0, 277 V4L2_QUANTIZATION_FULL_RANGE = 1, 278 V4L2_QUANTIZATION_LIM_RANGE = 2, 279 }; 280 281 enum v4l2_priority { 282 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 283 V4L2_PRIORITY_BACKGROUND = 1, 284 V4L2_PRIORITY_INTERACTIVE = 2, 285 V4L2_PRIORITY_RECORD = 3, 286 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 287 }; 288 289 struct v4l2_rect { 290 __s32 left; 291 __s32 top; 292 __u32 width; 293 __u32 height; 294 }; 295 296 struct v4l2_fract { 297 __u32 numerator; 298 __u32 denominator; 299 }; 300 301 /** 302 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 303 * 304 * @driver: name of the driver module (e.g. "bttv") 305 * @card: name of the card (e.g. "Hauppauge WinTV") 306 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 307 * @version: KERNEL_VERSION 308 * @capabilities: capabilities of the physical device as a whole 309 * @device_caps: capabilities accessed via this particular device (node) 310 * @reserved: reserved fields for future extensions 311 */ 312 struct v4l2_capability { 313 __u8 driver[16]; 314 __u8 card[32]; 315 __u8 bus_info[32]; 316 __u32 version; 317 __u32 capabilities; 318 __u32 device_caps; 319 __u32 reserved[3]; 320 }; 321 322 /* Values for 'capabilities' field */ 323 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 324 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 325 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 326 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 327 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 328 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 329 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 330 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 331 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 332 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 333 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 334 335 /* Is a video capture device that supports multiplanar formats */ 336 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 337 /* Is a video output device that supports multiplanar formats */ 338 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 339 /* Is a video mem-to-mem device that supports multiplanar formats */ 340 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 341 /* Is a video mem-to-mem device */ 342 #define V4L2_CAP_VIDEO_M2M 0x00008000 343 344 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 345 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 346 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 347 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 348 349 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */ 350 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */ 351 352 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 353 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 354 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 355 356 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 357 358 /* 359 * V I D E O I M A G E F O R M A T 360 */ 361 struct v4l2_pix_format { 362 __u32 width; 363 __u32 height; 364 __u32 pixelformat; 365 __u32 field; /* enum v4l2_field */ 366 __u32 bytesperline; /* for padding, zero if unused */ 367 __u32 sizeimage; 368 __u32 colorspace; /* enum v4l2_colorspace */ 369 __u32 priv; /* private data, depends on pixelformat */ 370 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ 371 __u32 ycbcr_enc; /* enum v4l2_ycbcr_encoding */ 372 __u32 quantization; /* enum v4l2_quantization */ 373 }; 374 375 /* Pixel format FOURCC depth Description */ 376 377 /* RGB formats */ 378 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 379 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 380 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */ 381 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */ 382 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 383 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */ 384 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */ 385 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 386 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 387 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */ 388 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */ 389 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 390 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 391 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 392 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 393 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 394 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */ 395 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */ 396 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 397 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */ 398 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */ 399 400 /* Grey formats */ 401 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 402 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 403 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 404 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 405 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 406 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 407 408 /* Grey bit-packed formats */ 409 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 410 411 /* Palette formats */ 412 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 413 414 /* Chrominance formats */ 415 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 416 417 /* Luminance+Chrominance formats */ 418 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 419 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 420 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 421 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 422 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 423 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 424 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 425 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 426 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 16 YVU411 planar */ 427 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 428 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 429 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 430 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 431 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 432 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 433 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 434 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */ 435 #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */ 436 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 437 438 /* two planes -- one Y, one Cr + Cb interleaved */ 439 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 440 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 441 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 442 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 443 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 444 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 445 446 /* two non contiguous planes - one Y, one Cr + Cb interleaved */ 447 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 448 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 449 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ 450 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ 451 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */ 452 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */ 453 454 /* three non contiguous planes - Y, Cb, Cr */ 455 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 456 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 457 458 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 459 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 460 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 461 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 462 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 463 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 464 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 465 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 466 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 467 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ 468 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') 469 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') 470 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') 471 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') 472 /* 10bit raw bayer a-law compressed to 8 bits */ 473 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 474 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 475 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 476 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 477 /* 10bit raw bayer DPCM compressed to 8 bits */ 478 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 479 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 480 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 481 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 482 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 483 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 484 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 485 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 486 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 487 488 /* compressed formats */ 489 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 490 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 491 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 492 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 493 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 494 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 495 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 496 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 497 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 498 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 499 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 500 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 501 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 502 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 503 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 504 505 /* Vendor-specific formats */ 506 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 507 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 508 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 509 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 510 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 511 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 512 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 513 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 514 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 515 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 516 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 517 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 518 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 519 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 520 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 521 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 522 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 523 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 524 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 525 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 526 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 527 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 528 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 529 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 530 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 531 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 532 533 /* SDR formats - used only for Software Defined Radio devices */ 534 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 535 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 536 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 537 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 538 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 539 540 /* priv field value to indicates that subsequent fields are valid. */ 541 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 542 543 /* Flags */ 544 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 545 546 /* 547 * F O R M A T E N U M E R A T I O N 548 */ 549 struct v4l2_fmtdesc { 550 __u32 index; /* Format number */ 551 __u32 type; /* enum v4l2_buf_type */ 552 __u32 flags; 553 __u8 description[32]; /* Description string */ 554 __u32 pixelformat; /* Format fourcc */ 555 __u32 reserved[4]; 556 }; 557 558 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 559 #define V4L2_FMT_FLAG_EMULATED 0x0002 560 561 #if 1 562 /* Experimental Frame Size and frame rate enumeration */ 563 /* 564 * F R A M E S I Z E E N U M E R A T I O N 565 */ 566 enum v4l2_frmsizetypes { 567 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 568 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 569 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 570 }; 571 572 struct v4l2_frmsize_discrete { 573 __u32 width; /* Frame width [pixel] */ 574 __u32 height; /* Frame height [pixel] */ 575 }; 576 577 struct v4l2_frmsize_stepwise { 578 __u32 min_width; /* Minimum frame width [pixel] */ 579 __u32 max_width; /* Maximum frame width [pixel] */ 580 __u32 step_width; /* Frame width step size [pixel] */ 581 __u32 min_height; /* Minimum frame height [pixel] */ 582 __u32 max_height; /* Maximum frame height [pixel] */ 583 __u32 step_height; /* Frame height step size [pixel] */ 584 }; 585 586 struct v4l2_frmsizeenum { 587 __u32 index; /* Frame size number */ 588 __u32 pixel_format; /* Pixel format */ 589 __u32 type; /* Frame size type the device supports. */ 590 591 union { /* Frame size */ 592 struct v4l2_frmsize_discrete discrete; 593 struct v4l2_frmsize_stepwise stepwise; 594 }; 595 596 __u32 reserved[2]; /* Reserved space for future use */ 597 }; 598 599 /* 600 * F R A M E R A T E E N U M E R A T I O N 601 */ 602 enum v4l2_frmivaltypes { 603 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 604 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 605 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 606 }; 607 608 struct v4l2_frmival_stepwise { 609 struct v4l2_fract min; /* Minimum frame interval [s] */ 610 struct v4l2_fract max; /* Maximum frame interval [s] */ 611 struct v4l2_fract step; /* Frame interval step size [s] */ 612 }; 613 614 struct v4l2_frmivalenum { 615 __u32 index; /* Frame format index */ 616 __u32 pixel_format; /* Pixel format */ 617 __u32 width; /* Frame width */ 618 __u32 height; /* Frame height */ 619 __u32 type; /* Frame interval type the device supports. */ 620 621 union { /* Frame interval */ 622 struct v4l2_fract discrete; 623 struct v4l2_frmival_stepwise stepwise; 624 }; 625 626 __u32 reserved[2]; /* Reserved space for future use */ 627 }; 628 #endif 629 630 /* 631 * T I M E C O D E 632 */ 633 struct v4l2_timecode { 634 __u32 type; 635 __u32 flags; 636 __u8 frames; 637 __u8 seconds; 638 __u8 minutes; 639 __u8 hours; 640 __u8 userbits[4]; 641 }; 642 643 /* Type */ 644 #define V4L2_TC_TYPE_24FPS 1 645 #define V4L2_TC_TYPE_25FPS 2 646 #define V4L2_TC_TYPE_30FPS 3 647 #define V4L2_TC_TYPE_50FPS 4 648 #define V4L2_TC_TYPE_60FPS 5 649 650 /* Flags */ 651 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 652 #define V4L2_TC_FLAG_COLORFRAME 0x0002 653 #define V4L2_TC_USERBITS_field 0x000C 654 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 655 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 656 /* The above is based on SMPTE timecodes */ 657 658 struct v4l2_jpegcompression { 659 int quality; 660 661 int APPn; /* Number of APP segment to be written, 662 * must be 0..15 */ 663 int APP_len; /* Length of data in JPEG APPn segment */ 664 char APP_data[60]; /* Data in the JPEG APPn segment. */ 665 666 int COM_len; /* Length of data in JPEG COM segment */ 667 char COM_data[60]; /* Data in JPEG COM segment */ 668 669 __u32 jpeg_markers; /* Which markers should go into the JPEG 670 * output. Unless you exactly know what 671 * you do, leave them untouched. 672 * Including less markers will make the 673 * resulting code smaller, but there will 674 * be fewer applications which can read it. 675 * The presence of the APP and COM marker 676 * is influenced by APP_len and COM_len 677 * ONLY, not by this property! */ 678 679 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 680 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 681 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 682 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 683 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 684 * always use APP0 */ 685 }; 686 687 /* 688 * M E M O R Y - M A P P I N G B U F F E R S 689 */ 690 struct v4l2_requestbuffers { 691 __u32 count; 692 __u32 type; /* enum v4l2_buf_type */ 693 __u32 memory; /* enum v4l2_memory */ 694 __u32 reserved[2]; 695 }; 696 697 /** 698 * struct v4l2_plane - plane info for multi-planar buffers 699 * @bytesused: number of bytes occupied by data in the plane (payload) 700 * @length: size of this plane (NOT the payload) in bytes 701 * @mem_offset: when memory in the associated struct v4l2_buffer is 702 * V4L2_MEMORY_MMAP, equals the offset from the start of 703 * the device memory for this plane (or is a "cookie" that 704 * should be passed to mmap() called on the video node) 705 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 706 * pointing to this plane 707 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 708 * descriptor associated with this plane 709 * @data_offset: offset in the plane to the start of data; usually 0, 710 * unless there is a header in front of the data 711 * 712 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 713 * with two planes can have one plane for Y, and another for interleaved CbCr 714 * components. Each plane can reside in a separate memory buffer, or even in 715 * a completely separate memory node (e.g. in embedded devices). 716 */ 717 struct v4l2_plane { 718 __u32 bytesused; 719 __u32 length; 720 union { 721 __u32 mem_offset; 722 unsigned long userptr; 723 __s32 fd; 724 } m; 725 __u32 data_offset; 726 __u32 reserved[11]; 727 }; 728 729 /** 730 * struct v4l2_buffer - video buffer info 731 * @index: id number of the buffer 732 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 733 * multiplanar buffers); 734 * @bytesused: number of bytes occupied by data in the buffer (payload); 735 * unused (set to 0) for multiplanar buffers 736 * @flags: buffer informational flags 737 * @field: enum v4l2_field; field order of the image in the buffer 738 * @timestamp: frame timestamp 739 * @timecode: frame timecode 740 * @sequence: sequence count of this frame 741 * @memory: enum v4l2_memory; the method, in which the actual video data is 742 * passed 743 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 744 * offset from the start of the device memory for this plane, 745 * (or a "cookie" that should be passed to mmap() as offset) 746 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 747 * a userspace pointer pointing to this buffer 748 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 749 * a userspace file descriptor associated with this buffer 750 * @planes: for multiplanar buffers; userspace pointer to the array of plane 751 * info structs for this buffer 752 * @length: size in bytes of the buffer (NOT its payload) for single-plane 753 * buffers (when type != *_MPLANE); number of elements in the 754 * planes array for multi-plane buffers 755 * 756 * Contains data exchanged by application and driver using one of the Streaming 757 * I/O methods. 758 */ 759 struct v4l2_buffer { 760 __u32 index; 761 __u32 type; 762 __u32 bytesused; 763 __u32 flags; 764 __u32 field; 765 struct timeval timestamp; 766 struct v4l2_timecode timecode; 767 __u32 sequence; 768 769 /* memory location */ 770 __u32 memory; 771 union { 772 __u32 offset; 773 unsigned long userptr; 774 struct v4l2_plane *planes; 775 __s32 fd; 776 } m; 777 __u32 length; 778 __u32 reserved2; 779 __u32 reserved; 780 }; 781 782 /* Flags for 'flags' field */ 783 /* Buffer is mapped (flag) */ 784 #define V4L2_BUF_FLAG_MAPPED 0x00000001 785 /* Buffer is queued for processing */ 786 #define V4L2_BUF_FLAG_QUEUED 0x00000002 787 /* Buffer is ready */ 788 #define V4L2_BUF_FLAG_DONE 0x00000004 789 /* Image is a keyframe (I-frame) */ 790 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008 791 /* Image is a P-frame */ 792 #define V4L2_BUF_FLAG_PFRAME 0x00000010 793 /* Image is a B-frame */ 794 #define V4L2_BUF_FLAG_BFRAME 0x00000020 795 /* Buffer is ready, but the data contained within is corrupted. */ 796 #define V4L2_BUF_FLAG_ERROR 0x00000040 797 /* timecode field is valid */ 798 #define V4L2_BUF_FLAG_TIMECODE 0x00000100 799 /* Buffer is prepared for queuing */ 800 #define V4L2_BUF_FLAG_PREPARED 0x00000400 801 /* Cache handling flags */ 802 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 803 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 804 /* Timestamp type */ 805 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 806 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 807 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 808 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 809 /* Timestamp sources. */ 810 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 811 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 812 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 813 814 /** 815 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 816 * 817 * @index: id number of the buffer 818 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 819 * multiplanar buffers); 820 * @plane: index of the plane to be exported, 0 for single plane queues 821 * @flags: flags for newly created file, currently only O_CLOEXEC is 822 * supported, refer to manual of open syscall for more details 823 * @fd: file descriptor associated with DMABUF (set by driver) 824 * 825 * Contains data used for exporting a video buffer as DMABUF file descriptor. 826 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 827 * (identical to the cookie used to mmap() the buffer to userspace). All 828 * reserved fields must be set to zero. The field reserved0 is expected to 829 * become a structure 'type' allowing an alternative layout of the structure 830 * content. Therefore this field should not be used for any other extensions. 831 */ 832 struct v4l2_exportbuffer { 833 __u32 type; /* enum v4l2_buf_type */ 834 __u32 index; 835 __u32 plane; 836 __u32 flags; 837 __s32 fd; 838 __u32 reserved[11]; 839 }; 840 841 /* 842 * O V E R L A Y P R E V I E W 843 */ 844 struct v4l2_framebuffer { 845 __u32 capability; 846 __u32 flags; 847 /* FIXME: in theory we should pass something like PCI device + memory 848 * region + offset instead of some physical address */ 849 void *base; 850 struct { 851 __u32 width; 852 __u32 height; 853 __u32 pixelformat; 854 __u32 field; /* enum v4l2_field */ 855 __u32 bytesperline; /* for padding, zero if unused */ 856 __u32 sizeimage; 857 __u32 colorspace; /* enum v4l2_colorspace */ 858 __u32 priv; /* reserved field, set to 0 */ 859 } fmt; 860 }; 861 /* Flags for the 'capability' field. Read only */ 862 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 863 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 864 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 865 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 866 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 867 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 868 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 869 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 870 /* Flags for the 'flags' field. */ 871 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 872 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 873 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 874 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 875 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 876 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 877 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 878 879 struct v4l2_clip { 880 struct v4l2_rect c; 881 struct v4l2_clip __user *next; 882 }; 883 884 struct v4l2_window { 885 struct v4l2_rect w; 886 __u32 field; /* enum v4l2_field */ 887 __u32 chromakey; 888 struct v4l2_clip __user *clips; 889 __u32 clipcount; 890 void __user *bitmap; 891 __u8 global_alpha; 892 }; 893 894 /* 895 * C A P T U R E P A R A M E T E R S 896 */ 897 struct v4l2_captureparm { 898 __u32 capability; /* Supported modes */ 899 __u32 capturemode; /* Current mode */ 900 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 901 __u32 extendedmode; /* Driver-specific extensions */ 902 __u32 readbuffers; /* # of buffers for read */ 903 __u32 reserved[4]; 904 }; 905 906 /* Flags for 'capability' and 'capturemode' fields */ 907 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 908 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 909 910 struct v4l2_outputparm { 911 __u32 capability; /* Supported modes */ 912 __u32 outputmode; /* Current mode */ 913 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 914 __u32 extendedmode; /* Driver-specific extensions */ 915 __u32 writebuffers; /* # of buffers for write */ 916 __u32 reserved[4]; 917 }; 918 919 /* 920 * I N P U T I M A G E C R O P P I N G 921 */ 922 struct v4l2_cropcap { 923 __u32 type; /* enum v4l2_buf_type */ 924 struct v4l2_rect bounds; 925 struct v4l2_rect defrect; 926 struct v4l2_fract pixelaspect; 927 }; 928 929 struct v4l2_crop { 930 __u32 type; /* enum v4l2_buf_type */ 931 struct v4l2_rect c; 932 }; 933 934 /** 935 * struct v4l2_selection - selection info 936 * @type: buffer type (do not use *_MPLANE types) 937 * @target: Selection target, used to choose one of possible rectangles; 938 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 939 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 940 * @r: coordinates of selection window 941 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 942 * 943 * Hardware may use multiple helper windows to process a video stream. 944 * The structure is used to exchange this selection areas between 945 * an application and a driver. 946 */ 947 struct v4l2_selection { 948 __u32 type; 949 __u32 target; 950 __u32 flags; 951 struct v4l2_rect r; 952 __u32 reserved[9]; 953 }; 954 955 956 /* 957 * A N A L O G V I D E O S T A N D A R D 958 */ 959 960 typedef __u64 v4l2_std_id; 961 962 /* one bit for each */ 963 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 964 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 965 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 966 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 967 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 968 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 969 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 970 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 971 972 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 973 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 974 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 975 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 976 977 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 978 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 979 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 980 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 981 982 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 983 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 984 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 985 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 986 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 987 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 988 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 989 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 990 991 /* ATSC/HDTV */ 992 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 993 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 994 995 /* FIXME: 996 Although std_id is 64 bits, there is an issue on PPC32 architecture that 997 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 998 this value to 32 bits. 999 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 1000 it should work fine. However, if needed to add more than two standards, 1001 v4l2-common.c should be fixed. 1002 */ 1003 1004 /* 1005 * Some macros to merge video standards in order to make live easier for the 1006 * drivers and V4L2 applications 1007 */ 1008 1009 /* 1010 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 1011 * Missing here. 1012 */ 1013 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 1014 V4L2_STD_NTSC_M_JP |\ 1015 V4L2_STD_NTSC_M_KR) 1016 /* Secam macros */ 1017 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 1018 V4L2_STD_SECAM_K |\ 1019 V4L2_STD_SECAM_K1) 1020 /* All Secam Standards */ 1021 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 1022 V4L2_STD_SECAM_G |\ 1023 V4L2_STD_SECAM_H |\ 1024 V4L2_STD_SECAM_DK |\ 1025 V4L2_STD_SECAM_L |\ 1026 V4L2_STD_SECAM_LC) 1027 /* PAL macros */ 1028 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 1029 V4L2_STD_PAL_B1 |\ 1030 V4L2_STD_PAL_G) 1031 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1032 V4L2_STD_PAL_D1 |\ 1033 V4L2_STD_PAL_K) 1034 /* 1035 * "Common" PAL - This macro is there to be compatible with the old 1036 * V4L1 concept of "PAL": /BGDKHI. 1037 * Several PAL standards are missing here: /M, /N and /Nc 1038 */ 1039 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1040 V4L2_STD_PAL_DK |\ 1041 V4L2_STD_PAL_H |\ 1042 V4L2_STD_PAL_I) 1043 /* Chroma "agnostic" standards */ 1044 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 1045 V4L2_STD_PAL_B1 |\ 1046 V4L2_STD_SECAM_B) 1047 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 1048 V4L2_STD_SECAM_G) 1049 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 1050 V4L2_STD_SECAM_H) 1051 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1052 V4L2_STD_SECAM_LC) 1053 #define V4L2_STD_GH (V4L2_STD_G |\ 1054 V4L2_STD_H) 1055 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1056 V4L2_STD_SECAM_DK) 1057 #define V4L2_STD_BG (V4L2_STD_B |\ 1058 V4L2_STD_G) 1059 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1060 V4L2_STD_PAL_N |\ 1061 V4L2_STD_PAL_Nc |\ 1062 V4L2_STD_NTSC) 1063 1064 /* Standards where MTS/BTSC stereo could be found */ 1065 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1066 V4L2_STD_PAL_M |\ 1067 V4L2_STD_PAL_N |\ 1068 V4L2_STD_PAL_Nc) 1069 1070 /* Standards for Countries with 60Hz Line frequency */ 1071 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1072 V4L2_STD_PAL_60 |\ 1073 V4L2_STD_NTSC |\ 1074 V4L2_STD_NTSC_443) 1075 /* Standards for Countries with 50Hz Line frequency */ 1076 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1077 V4L2_STD_PAL_N |\ 1078 V4L2_STD_PAL_Nc |\ 1079 V4L2_STD_SECAM) 1080 1081 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1082 V4L2_STD_ATSC_16_VSB) 1083 /* Macros with none and all analog standards */ 1084 #define V4L2_STD_UNKNOWN 0 1085 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1086 V4L2_STD_625_50) 1087 1088 struct v4l2_standard { 1089 __u32 index; 1090 v4l2_std_id id; 1091 __u8 name[24]; 1092 struct v4l2_fract frameperiod; /* Frames, not fields */ 1093 __u32 framelines; 1094 __u32 reserved[4]; 1095 }; 1096 1097 /* 1098 * D V B T T I M I N G S 1099 */ 1100 1101 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1102 * @width: total width of the active video in pixels 1103 * @height: total height of the active video in lines 1104 * @interlaced: Interlaced or progressive 1105 * @polarities: Positive or negative polarities 1106 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1107 * @hfrontporch:Horizontal front porch in pixels 1108 * @hsync: Horizontal Sync length in pixels 1109 * @hbackporch: Horizontal back porch in pixels 1110 * @vfrontporch:Vertical front porch in lines 1111 * @vsync: Vertical Sync length in lines 1112 * @vbackporch: Vertical back porch in lines 1113 * @il_vfrontporch:Vertical front porch for the even field 1114 * (aka field 2) of interlaced field formats 1115 * @il_vsync: Vertical Sync length for the even field 1116 * (aka field 2) of interlaced field formats 1117 * @il_vbackporch:Vertical back porch for the even field 1118 * (aka field 2) of interlaced field formats 1119 * @standards: Standards the timing belongs to 1120 * @flags: Flags 1121 * @reserved: Reserved fields, must be zeroed. 1122 * 1123 * A note regarding vertical interlaced timings: height refers to the total 1124 * height of the active video frame (= two fields). The blanking timings refer 1125 * to the blanking of each field. So the height of the total frame is 1126 * calculated as follows: 1127 * 1128 * tot_height = height + vfrontporch + vsync + vbackporch + 1129 * il_vfrontporch + il_vsync + il_vbackporch 1130 * 1131 * The active height of each field is height / 2. 1132 */ 1133 struct v4l2_bt_timings { 1134 __u32 width; 1135 __u32 height; 1136 __u32 interlaced; 1137 __u32 polarities; 1138 __u64 pixelclock; 1139 __u32 hfrontporch; 1140 __u32 hsync; 1141 __u32 hbackporch; 1142 __u32 vfrontporch; 1143 __u32 vsync; 1144 __u32 vbackporch; 1145 __u32 il_vfrontporch; 1146 __u32 il_vsync; 1147 __u32 il_vbackporch; 1148 __u32 standards; 1149 __u32 flags; 1150 __u32 reserved[14]; 1151 } __attribute__ ((packed)); 1152 1153 /* Interlaced or progressive format */ 1154 #define V4L2_DV_PROGRESSIVE 0 1155 #define V4L2_DV_INTERLACED 1 1156 1157 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1158 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1159 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1160 1161 /* Timings standards */ 1162 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1163 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1164 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1165 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1166 1167 /* Flags */ 1168 1169 /* CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1170 GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1171 intervals are reduced, allowing a higher resolution over the same 1172 bandwidth. This is a read-only flag. */ 1173 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1174 /* CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1175 of six. These formats can be optionally played at 1 / 1.001 speed. 1176 This is a read-only flag. */ 1177 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1178 /* CEA-861 specific: only valid for video transmitters, the flag is cleared 1179 by receivers. 1180 If the framerate of the format is a multiple of six, then the pixelclock 1181 used to set up the transmitter is divided by 1.001 to make it compatible 1182 with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1183 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1184 such frequencies, then the flag will also be cleared. */ 1185 #define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1186 /* Specific to interlaced formats: if set, then field 1 is really one half-line 1187 longer and field 2 is really one half-line shorter, so each field has 1188 exactly the same number of half-lines. Whether half-lines can be detected 1189 or used depends on the hardware. */ 1190 #define V4L2_DV_FL_HALF_LINE (1 << 3) 1191 /* If set, then this is a Consumer Electronics (CE) video format. Such formats 1192 * differ from other formats (commonly called IT formats) in that if RGB 1193 * encoding is used then by default the RGB values use limited range (i.e. 1194 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861 1195 * except for the 640x480 format are CE formats. */ 1196 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4) 1197 1198 /* A few useful defines to calculate the total blanking and frame sizes */ 1199 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1200 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1201 #define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1202 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1203 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1204 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1205 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) 1206 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1207 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1208 1209 /** struct v4l2_dv_timings - DV timings 1210 * @type: the type of the timings 1211 * @bt: BT656/1120 timings 1212 */ 1213 struct v4l2_dv_timings { 1214 __u32 type; 1215 union { 1216 struct v4l2_bt_timings bt; 1217 __u32 reserved[32]; 1218 }; 1219 } __attribute__ ((packed)); 1220 1221 /* Values for the type field */ 1222 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1223 1224 1225 /** struct v4l2_enum_dv_timings - DV timings enumeration 1226 * @index: enumeration index 1227 * @pad: the pad number for which to enumerate timings (used with 1228 * v4l-subdev nodes only) 1229 * @reserved: must be zeroed 1230 * @timings: the timings for the given index 1231 */ 1232 struct v4l2_enum_dv_timings { 1233 __u32 index; 1234 __u32 pad; 1235 __u32 reserved[2]; 1236 struct v4l2_dv_timings timings; 1237 }; 1238 1239 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1240 * @min_width: width in pixels 1241 * @max_width: width in pixels 1242 * @min_height: height in lines 1243 * @max_height: height in lines 1244 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1245 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1246 * @standards: Supported standards 1247 * @capabilities: Supported capabilities 1248 * @reserved: Must be zeroed 1249 */ 1250 struct v4l2_bt_timings_cap { 1251 __u32 min_width; 1252 __u32 max_width; 1253 __u32 min_height; 1254 __u32 max_height; 1255 __u64 min_pixelclock; 1256 __u64 max_pixelclock; 1257 __u32 standards; 1258 __u32 capabilities; 1259 __u32 reserved[16]; 1260 } __attribute__ ((packed)); 1261 1262 /* Supports interlaced formats */ 1263 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1264 /* Supports progressive formats */ 1265 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1266 /* Supports CVT/GTF reduced blanking */ 1267 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1268 /* Supports custom formats */ 1269 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1270 1271 /** struct v4l2_dv_timings_cap - DV timings capabilities 1272 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1273 * @pad: the pad number for which to query capabilities (used with 1274 * v4l-subdev nodes only) 1275 * @bt: the BT656/1120 timings capabilities 1276 */ 1277 struct v4l2_dv_timings_cap { 1278 __u32 type; 1279 __u32 pad; 1280 __u32 reserved[2]; 1281 union { 1282 struct v4l2_bt_timings_cap bt; 1283 __u32 raw_data[32]; 1284 }; 1285 }; 1286 1287 1288 /* 1289 * V I D E O I N P U T S 1290 */ 1291 struct v4l2_input { 1292 __u32 index; /* Which input */ 1293 __u8 name[32]; /* Label */ 1294 __u32 type; /* Type of input */ 1295 __u32 audioset; /* Associated audios (bitfield) */ 1296 __u32 tuner; /* enum v4l2_tuner_type */ 1297 v4l2_std_id std; 1298 __u32 status; 1299 __u32 capabilities; 1300 __u32 reserved[3]; 1301 }; 1302 1303 /* Values for the 'type' field */ 1304 #define V4L2_INPUT_TYPE_TUNER 1 1305 #define V4L2_INPUT_TYPE_CAMERA 2 1306 1307 /* field 'status' - general */ 1308 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1309 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1310 #define V4L2_IN_ST_NO_COLOR 0x00000004 1311 1312 /* field 'status' - sensor orientation */ 1313 /* If sensor is mounted upside down set both bits */ 1314 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1315 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1316 1317 /* field 'status' - analog */ 1318 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1319 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1320 1321 /* field 'status' - digital */ 1322 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1323 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1324 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1325 1326 /* field 'status' - VCR and set-top box */ 1327 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1328 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1329 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1330 1331 /* capabilities flags */ 1332 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1333 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1334 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1335 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1336 1337 /* 1338 * V I D E O O U T P U T S 1339 */ 1340 struct v4l2_output { 1341 __u32 index; /* Which output */ 1342 __u8 name[32]; /* Label */ 1343 __u32 type; /* Type of output */ 1344 __u32 audioset; /* Associated audios (bitfield) */ 1345 __u32 modulator; /* Associated modulator */ 1346 v4l2_std_id std; 1347 __u32 capabilities; 1348 __u32 reserved[3]; 1349 }; 1350 /* Values for the 'type' field */ 1351 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1352 #define V4L2_OUTPUT_TYPE_ANALOG 2 1353 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1354 1355 /* capabilities flags */ 1356 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1357 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1358 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1359 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1360 1361 /* 1362 * C O N T R O L S 1363 */ 1364 struct v4l2_control { 1365 __u32 id; 1366 __s32 value; 1367 }; 1368 1369 struct v4l2_ext_control { 1370 __u32 id; 1371 __u32 size; 1372 __u32 reserved2[1]; 1373 union { 1374 __s32 value; 1375 __s64 value64; 1376 char __user *string; 1377 __u8 __user *p_u8; 1378 __u16 __user *p_u16; 1379 __u32 __user *p_u32; 1380 void __user *ptr; 1381 }; 1382 } __attribute__ ((packed)); 1383 1384 struct v4l2_ext_controls { 1385 __u32 ctrl_class; 1386 __u32 count; 1387 __u32 error_idx; 1388 __u32 reserved[2]; 1389 struct v4l2_ext_control *controls; 1390 }; 1391 1392 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1393 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1394 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1395 #define V4L2_CTRL_MAX_DIMS (4) 1396 1397 enum v4l2_ctrl_type { 1398 V4L2_CTRL_TYPE_INTEGER = 1, 1399 V4L2_CTRL_TYPE_BOOLEAN = 2, 1400 V4L2_CTRL_TYPE_MENU = 3, 1401 V4L2_CTRL_TYPE_BUTTON = 4, 1402 V4L2_CTRL_TYPE_INTEGER64 = 5, 1403 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1404 V4L2_CTRL_TYPE_STRING = 7, 1405 V4L2_CTRL_TYPE_BITMASK = 8, 1406 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1407 1408 /* Compound types are >= 0x0100 */ 1409 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1410 V4L2_CTRL_TYPE_U8 = 0x0100, 1411 V4L2_CTRL_TYPE_U16 = 0x0101, 1412 V4L2_CTRL_TYPE_U32 = 0x0102, 1413 }; 1414 1415 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1416 struct v4l2_queryctrl { 1417 __u32 id; 1418 __u32 type; /* enum v4l2_ctrl_type */ 1419 __u8 name[32]; /* Whatever */ 1420 __s32 minimum; /* Note signedness */ 1421 __s32 maximum; 1422 __s32 step; 1423 __s32 default_value; 1424 __u32 flags; 1425 __u32 reserved[2]; 1426 }; 1427 1428 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1429 struct v4l2_query_ext_ctrl { 1430 __u32 id; 1431 __u32 type; 1432 char name[32]; 1433 __s64 minimum; 1434 __s64 maximum; 1435 __u64 step; 1436 __s64 default_value; 1437 __u32 flags; 1438 __u32 elem_size; 1439 __u32 elems; 1440 __u32 nr_of_dims; 1441 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1442 __u32 reserved[32]; 1443 }; 1444 1445 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1446 struct v4l2_querymenu { 1447 __u32 id; 1448 __u32 index; 1449 union { 1450 __u8 name[32]; /* Whatever */ 1451 __s64 value; 1452 }; 1453 __u32 reserved; 1454 } __attribute__ ((packed)); 1455 1456 /* Control flags */ 1457 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1458 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1459 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1460 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1461 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1462 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1463 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1464 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1465 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1466 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 1467 1468 /* Query flags, to be ORed with the control ID */ 1469 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1470 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1471 1472 /* User-class control IDs defined by V4L2 */ 1473 #define V4L2_CID_MAX_CTRLS 1024 1474 /* IDs reserved for driver specific controls */ 1475 #define V4L2_CID_PRIVATE_BASE 0x08000000 1476 1477 1478 /* 1479 * T U N I N G 1480 */ 1481 struct v4l2_tuner { 1482 __u32 index; 1483 __u8 name[32]; 1484 __u32 type; /* enum v4l2_tuner_type */ 1485 __u32 capability; 1486 __u32 rangelow; 1487 __u32 rangehigh; 1488 __u32 rxsubchans; 1489 __u32 audmode; 1490 __s32 signal; 1491 __s32 afc; 1492 __u32 reserved[4]; 1493 }; 1494 1495 struct v4l2_modulator { 1496 __u32 index; 1497 __u8 name[32]; 1498 __u32 capability; 1499 __u32 rangelow; 1500 __u32 rangehigh; 1501 __u32 txsubchans; 1502 __u32 reserved[4]; 1503 }; 1504 1505 /* Flags for the 'capability' field */ 1506 #define V4L2_TUNER_CAP_LOW 0x0001 1507 #define V4L2_TUNER_CAP_NORM 0x0002 1508 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1509 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1510 #define V4L2_TUNER_CAP_STEREO 0x0010 1511 #define V4L2_TUNER_CAP_LANG2 0x0020 1512 #define V4L2_TUNER_CAP_SAP 0x0020 1513 #define V4L2_TUNER_CAP_LANG1 0x0040 1514 #define V4L2_TUNER_CAP_RDS 0x0080 1515 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1516 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1517 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1518 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1519 #define V4L2_TUNER_CAP_1HZ 0x1000 1520 1521 /* Flags for the 'rxsubchans' field */ 1522 #define V4L2_TUNER_SUB_MONO 0x0001 1523 #define V4L2_TUNER_SUB_STEREO 0x0002 1524 #define V4L2_TUNER_SUB_LANG2 0x0004 1525 #define V4L2_TUNER_SUB_SAP 0x0004 1526 #define V4L2_TUNER_SUB_LANG1 0x0008 1527 #define V4L2_TUNER_SUB_RDS 0x0010 1528 1529 /* Values for the 'audmode' field */ 1530 #define V4L2_TUNER_MODE_MONO 0x0000 1531 #define V4L2_TUNER_MODE_STEREO 0x0001 1532 #define V4L2_TUNER_MODE_LANG2 0x0002 1533 #define V4L2_TUNER_MODE_SAP 0x0002 1534 #define V4L2_TUNER_MODE_LANG1 0x0003 1535 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1536 1537 struct v4l2_frequency { 1538 __u32 tuner; 1539 __u32 type; /* enum v4l2_tuner_type */ 1540 __u32 frequency; 1541 __u32 reserved[8]; 1542 }; 1543 1544 #define V4L2_BAND_MODULATION_VSB (1 << 1) 1545 #define V4L2_BAND_MODULATION_FM (1 << 2) 1546 #define V4L2_BAND_MODULATION_AM (1 << 3) 1547 1548 struct v4l2_frequency_band { 1549 __u32 tuner; 1550 __u32 type; /* enum v4l2_tuner_type */ 1551 __u32 index; 1552 __u32 capability; 1553 __u32 rangelow; 1554 __u32 rangehigh; 1555 __u32 modulation; 1556 __u32 reserved[9]; 1557 }; 1558 1559 struct v4l2_hw_freq_seek { 1560 __u32 tuner; 1561 __u32 type; /* enum v4l2_tuner_type */ 1562 __u32 seek_upward; 1563 __u32 wrap_around; 1564 __u32 spacing; 1565 __u32 rangelow; 1566 __u32 rangehigh; 1567 __u32 reserved[5]; 1568 }; 1569 1570 /* 1571 * R D S 1572 */ 1573 1574 struct v4l2_rds_data { 1575 __u8 lsb; 1576 __u8 msb; 1577 __u8 block; 1578 } __attribute__ ((packed)); 1579 1580 #define V4L2_RDS_BLOCK_MSK 0x7 1581 #define V4L2_RDS_BLOCK_A 0 1582 #define V4L2_RDS_BLOCK_B 1 1583 #define V4L2_RDS_BLOCK_C 2 1584 #define V4L2_RDS_BLOCK_D 3 1585 #define V4L2_RDS_BLOCK_C_ALT 4 1586 #define V4L2_RDS_BLOCK_INVALID 7 1587 1588 #define V4L2_RDS_BLOCK_CORRECTED 0x40 1589 #define V4L2_RDS_BLOCK_ERROR 0x80 1590 1591 /* 1592 * A U D I O 1593 */ 1594 struct v4l2_audio { 1595 __u32 index; 1596 __u8 name[32]; 1597 __u32 capability; 1598 __u32 mode; 1599 __u32 reserved[2]; 1600 }; 1601 1602 /* Flags for the 'capability' field */ 1603 #define V4L2_AUDCAP_STEREO 0x00001 1604 #define V4L2_AUDCAP_AVL 0x00002 1605 1606 /* Flags for the 'mode' field */ 1607 #define V4L2_AUDMODE_AVL 0x00001 1608 1609 struct v4l2_audioout { 1610 __u32 index; 1611 __u8 name[32]; 1612 __u32 capability; 1613 __u32 mode; 1614 __u32 reserved[2]; 1615 }; 1616 1617 /* 1618 * M P E G S E R V I C E S 1619 * 1620 * NOTE: EXPERIMENTAL API 1621 */ 1622 #if 1 1623 #define V4L2_ENC_IDX_FRAME_I (0) 1624 #define V4L2_ENC_IDX_FRAME_P (1) 1625 #define V4L2_ENC_IDX_FRAME_B (2) 1626 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 1627 1628 struct v4l2_enc_idx_entry { 1629 __u64 offset; 1630 __u64 pts; 1631 __u32 length; 1632 __u32 flags; 1633 __u32 reserved[2]; 1634 }; 1635 1636 #define V4L2_ENC_IDX_ENTRIES (64) 1637 struct v4l2_enc_idx { 1638 __u32 entries; 1639 __u32 entries_cap; 1640 __u32 reserved[4]; 1641 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 1642 }; 1643 1644 1645 #define V4L2_ENC_CMD_START (0) 1646 #define V4L2_ENC_CMD_STOP (1) 1647 #define V4L2_ENC_CMD_PAUSE (2) 1648 #define V4L2_ENC_CMD_RESUME (3) 1649 1650 /* Flags for V4L2_ENC_CMD_STOP */ 1651 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 1652 1653 struct v4l2_encoder_cmd { 1654 __u32 cmd; 1655 __u32 flags; 1656 union { 1657 struct { 1658 __u32 data[8]; 1659 } raw; 1660 }; 1661 }; 1662 1663 /* Decoder commands */ 1664 #define V4L2_DEC_CMD_START (0) 1665 #define V4L2_DEC_CMD_STOP (1) 1666 #define V4L2_DEC_CMD_PAUSE (2) 1667 #define V4L2_DEC_CMD_RESUME (3) 1668 1669 /* Flags for V4L2_DEC_CMD_START */ 1670 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 1671 1672 /* Flags for V4L2_DEC_CMD_PAUSE */ 1673 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 1674 1675 /* Flags for V4L2_DEC_CMD_STOP */ 1676 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 1677 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 1678 1679 /* Play format requirements (returned by the driver): */ 1680 1681 /* The decoder has no special format requirements */ 1682 #define V4L2_DEC_START_FMT_NONE (0) 1683 /* The decoder requires full GOPs */ 1684 #define V4L2_DEC_START_FMT_GOP (1) 1685 1686 /* The structure must be zeroed before use by the application 1687 This ensures it can be extended safely in the future. */ 1688 struct v4l2_decoder_cmd { 1689 __u32 cmd; 1690 __u32 flags; 1691 union { 1692 struct { 1693 __u64 pts; 1694 } stop; 1695 1696 struct { 1697 /* 0 or 1000 specifies normal speed, 1698 1 specifies forward single stepping, 1699 -1 specifies backward single stepping, 1700 >1: playback at speed/1000 of the normal speed, 1701 <-1: reverse playback at (-speed/1000) of the normal speed. */ 1702 __s32 speed; 1703 __u32 format; 1704 } start; 1705 1706 struct { 1707 __u32 data[16]; 1708 } raw; 1709 }; 1710 }; 1711 #endif 1712 1713 1714 /* 1715 * D A T A S E R V I C E S ( V B I ) 1716 * 1717 * Data services API by Michael Schimek 1718 */ 1719 1720 /* Raw VBI */ 1721 struct v4l2_vbi_format { 1722 __u32 sampling_rate; /* in 1 Hz */ 1723 __u32 offset; 1724 __u32 samples_per_line; 1725 __u32 sample_format; /* V4L2_PIX_FMT_* */ 1726 __s32 start[2]; 1727 __u32 count[2]; 1728 __u32 flags; /* V4L2_VBI_* */ 1729 __u32 reserved[2]; /* must be zero */ 1730 }; 1731 1732 /* VBI flags */ 1733 #define V4L2_VBI_UNSYNC (1 << 0) 1734 #define V4L2_VBI_INTERLACED (1 << 1) 1735 1736 /* ITU-R start lines for each field */ 1737 #define V4L2_VBI_ITU_525_F1_START (1) 1738 #define V4L2_VBI_ITU_525_F2_START (264) 1739 #define V4L2_VBI_ITU_625_F1_START (1) 1740 #define V4L2_VBI_ITU_625_F2_START (314) 1741 1742 /* Sliced VBI 1743 * 1744 * This implements is a proposal V4L2 API to allow SLICED VBI 1745 * required for some hardware encoders. It should change without 1746 * notice in the definitive implementation. 1747 */ 1748 1749 struct v4l2_sliced_vbi_format { 1750 __u16 service_set; 1751 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1752 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1753 (equals frame lines 313-336 for 625 line video 1754 standards, 263-286 for 525 line standards) */ 1755 __u16 service_lines[2][24]; 1756 __u32 io_size; 1757 __u32 reserved[2]; /* must be zero */ 1758 }; 1759 1760 /* Teletext World System Teletext 1761 (WST), defined on ITU-R BT.653-2 */ 1762 #define V4L2_SLICED_TELETEXT_B (0x0001) 1763 /* Video Program System, defined on ETS 300 231*/ 1764 #define V4L2_SLICED_VPS (0x0400) 1765 /* Closed Caption, defined on EIA-608 */ 1766 #define V4L2_SLICED_CAPTION_525 (0x1000) 1767 /* Wide Screen System, defined on ITU-R BT1119.1 */ 1768 #define V4L2_SLICED_WSS_625 (0x4000) 1769 1770 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 1771 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 1772 1773 struct v4l2_sliced_vbi_cap { 1774 __u16 service_set; 1775 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1776 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1777 (equals frame lines 313-336 for 625 line video 1778 standards, 263-286 for 525 line standards) */ 1779 __u16 service_lines[2][24]; 1780 __u32 type; /* enum v4l2_buf_type */ 1781 __u32 reserved[3]; /* must be 0 */ 1782 }; 1783 1784 struct v4l2_sliced_vbi_data { 1785 __u32 id; 1786 __u32 field; /* 0: first field, 1: second field */ 1787 __u32 line; /* 1-23 */ 1788 __u32 reserved; /* must be 0 */ 1789 __u8 data[48]; 1790 }; 1791 1792 /* 1793 * Sliced VBI data inserted into MPEG Streams 1794 */ 1795 1796 /* 1797 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 1798 * 1799 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 1800 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 1801 * data 1802 * 1803 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 1804 * definitions are not included here. See the MPEG-2 specifications for details 1805 * on these headers. 1806 */ 1807 1808 /* Line type IDs */ 1809 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 1810 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 1811 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 1812 #define V4L2_MPEG_VBI_IVTV_VPS (7) 1813 1814 struct v4l2_mpeg_vbi_itv0_line { 1815 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 1816 __u8 data[42]; /* Sliced VBI data for the line */ 1817 } __attribute__ ((packed)); 1818 1819 struct v4l2_mpeg_vbi_itv0 { 1820 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 1821 struct v4l2_mpeg_vbi_itv0_line line[35]; 1822 } __attribute__ ((packed)); 1823 1824 struct v4l2_mpeg_vbi_ITV0 { 1825 struct v4l2_mpeg_vbi_itv0_line line[36]; 1826 } __attribute__ ((packed)); 1827 1828 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 1829 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 1830 1831 struct v4l2_mpeg_vbi_fmt_ivtv { 1832 __u8 magic[4]; 1833 union { 1834 struct v4l2_mpeg_vbi_itv0 itv0; 1835 struct v4l2_mpeg_vbi_ITV0 ITV0; 1836 }; 1837 } __attribute__ ((packed)); 1838 1839 /* 1840 * A G G R E G A T E S T R U C T U R E S 1841 */ 1842 1843 /** 1844 * struct v4l2_plane_pix_format - additional, per-plane format definition 1845 * @sizeimage: maximum size in bytes required for data, for which 1846 * this plane will be used 1847 * @bytesperline: distance in bytes between the leftmost pixels in two 1848 * adjacent lines 1849 */ 1850 struct v4l2_plane_pix_format { 1851 __u32 sizeimage; 1852 __u32 bytesperline; 1853 __u16 reserved[6]; 1854 } __attribute__ ((packed)); 1855 1856 /** 1857 * struct v4l2_pix_format_mplane - multiplanar format definition 1858 * @width: image width in pixels 1859 * @height: image height in pixels 1860 * @pixelformat: little endian four character code (fourcc) 1861 * @field: enum v4l2_field; field order (for interlaced video) 1862 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 1863 * @plane_fmt: per-plane information 1864 * @num_planes: number of planes for this format 1865 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 1866 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding 1867 * @quantization: enum v4l2_quantization, colorspace quantization 1868 */ 1869 struct v4l2_pix_format_mplane { 1870 __u32 width; 1871 __u32 height; 1872 __u32 pixelformat; 1873 __u32 field; 1874 __u32 colorspace; 1875 1876 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 1877 __u8 num_planes; 1878 __u8 flags; 1879 __u8 ycbcr_enc; 1880 __u8 quantization; 1881 __u8 reserved[8]; 1882 } __attribute__ ((packed)); 1883 1884 /** 1885 * struct v4l2_sdr_format - SDR format definition 1886 * @pixelformat: little endian four character code (fourcc) 1887 * @buffersize: maximum size in bytes required for data 1888 */ 1889 struct v4l2_sdr_format { 1890 __u32 pixelformat; 1891 __u32 buffersize; 1892 __u8 reserved[24]; 1893 } __attribute__ ((packed)); 1894 1895 /** 1896 * struct v4l2_format - stream data format 1897 * @type: enum v4l2_buf_type; type of the data stream 1898 * @pix: definition of an image format 1899 * @pix_mp: definition of a multiplanar image format 1900 * @win: definition of an overlaid image 1901 * @vbi: raw VBI capture or output parameters 1902 * @sliced: sliced VBI capture or output parameters 1903 * @raw_data: placeholder for future extensions and custom formats 1904 */ 1905 struct v4l2_format { 1906 __u32 type; 1907 union { 1908 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 1909 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 1910 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 1911 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 1912 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 1913 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 1914 __u8 raw_data[200]; /* user-defined */ 1915 } fmt; 1916 }; 1917 1918 /* Stream type-dependent parameters 1919 */ 1920 struct v4l2_streamparm { 1921 __u32 type; /* enum v4l2_buf_type */ 1922 union { 1923 struct v4l2_captureparm capture; 1924 struct v4l2_outputparm output; 1925 __u8 raw_data[200]; /* user-defined */ 1926 } parm; 1927 }; 1928 1929 /* 1930 * E V E N T S 1931 */ 1932 1933 #define V4L2_EVENT_ALL 0 1934 #define V4L2_EVENT_VSYNC 1 1935 #define V4L2_EVENT_EOS 2 1936 #define V4L2_EVENT_CTRL 3 1937 #define V4L2_EVENT_FRAME_SYNC 4 1938 #define V4L2_EVENT_SOURCE_CHANGE 5 1939 #define V4L2_EVENT_MOTION_DET 6 1940 #define V4L2_EVENT_PRIVATE_START 0x08000000 1941 1942 /* Payload for V4L2_EVENT_VSYNC */ 1943 struct v4l2_event_vsync { 1944 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 1945 __u8 field; 1946 } __attribute__ ((packed)); 1947 1948 /* Payload for V4L2_EVENT_CTRL */ 1949 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 1950 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 1951 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 1952 1953 struct v4l2_event_ctrl { 1954 __u32 changes; 1955 __u32 type; 1956 union { 1957 __s32 value; 1958 __s64 value64; 1959 }; 1960 __u32 flags; 1961 __s32 minimum; 1962 __s32 maximum; 1963 __s32 step; 1964 __s32 default_value; 1965 }; 1966 1967 struct v4l2_event_frame_sync { 1968 __u32 frame_sequence; 1969 }; 1970 1971 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 1972 1973 struct v4l2_event_src_change { 1974 __u32 changes; 1975 }; 1976 1977 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 1978 1979 /** 1980 * struct v4l2_event_motion_det - motion detection event 1981 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 1982 * frame_sequence field is valid. 1983 * @frame_sequence: the frame sequence number associated with this event. 1984 * @region_mask: which regions detected motion. 1985 */ 1986 struct v4l2_event_motion_det { 1987 __u32 flags; 1988 __u32 frame_sequence; 1989 __u32 region_mask; 1990 }; 1991 1992 struct v4l2_event { 1993 __u32 type; 1994 union { 1995 struct v4l2_event_vsync vsync; 1996 struct v4l2_event_ctrl ctrl; 1997 struct v4l2_event_frame_sync frame_sync; 1998 struct v4l2_event_src_change src_change; 1999 struct v4l2_event_motion_det motion_det; 2000 __u8 data[64]; 2001 } u; 2002 __u32 pending; 2003 __u32 sequence; 2004 struct timespec timestamp; 2005 __u32 id; 2006 __u32 reserved[8]; 2007 }; 2008 2009 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2010 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2011 2012 struct v4l2_event_subscription { 2013 __u32 type; 2014 __u32 id; 2015 __u32 flags; 2016 __u32 reserved[5]; 2017 }; 2018 2019 /* 2020 * A D V A N C E D D E B U G G I N G 2021 * 2022 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2023 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2024 */ 2025 2026 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2027 2028 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2029 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2030 2031 /* The following four defines are no longer in use */ 2032 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2033 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2034 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2035 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2036 2037 struct v4l2_dbg_match { 2038 __u32 type; /* Match type */ 2039 union { /* Match this chip, meaning determined by type */ 2040 __u32 addr; 2041 char name[32]; 2042 }; 2043 } __attribute__ ((packed)); 2044 2045 struct v4l2_dbg_register { 2046 struct v4l2_dbg_match match; 2047 __u32 size; /* register size in bytes */ 2048 __u64 reg; 2049 __u64 val; 2050 } __attribute__ ((packed)); 2051 2052 #define V4L2_CHIP_FL_READABLE (1 << 0) 2053 #define V4L2_CHIP_FL_WRITABLE (1 << 1) 2054 2055 /* VIDIOC_DBG_G_CHIP_INFO */ 2056 struct v4l2_dbg_chip_info { 2057 struct v4l2_dbg_match match; 2058 char name[32]; 2059 __u32 flags; 2060 __u32 reserved[32]; 2061 } __attribute__ ((packed)); 2062 2063 /** 2064 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2065 * @index: on return, index of the first created buffer 2066 * @count: entry: number of requested buffers, 2067 * return: number of created buffers 2068 * @memory: enum v4l2_memory; buffer memory type 2069 * @format: frame format, for which buffers are requested 2070 * @reserved: future extensions 2071 */ 2072 struct v4l2_create_buffers { 2073 __u32 index; 2074 __u32 count; 2075 __u32 memory; 2076 struct v4l2_format format; 2077 __u32 reserved[8]; 2078 }; 2079 2080 /* 2081 * 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 2082 * 2083 */ 2084 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2085 #define VIDIOC_RESERVED _IO('V', 1) 2086 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2087 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2088 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2089 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2090 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2091 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2092 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2093 #define VIDIOC_OVERLAY _IOW('V', 14, int) 2094 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2095 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2096 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2097 #define VIDIOC_STREAMON _IOW('V', 18, int) 2098 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 2099 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2100 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2101 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2102 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2103 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2104 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2105 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2106 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2107 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2108 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2109 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2110 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2111 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2112 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2113 #define VIDIOC_G_INPUT _IOR('V', 38, int) 2114 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 2115 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2116 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2117 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2118 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2119 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2120 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2121 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2122 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2123 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2124 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2125 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2126 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2127 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2128 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2129 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2130 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2131 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2132 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2133 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2134 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2135 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2136 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2137 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2138 #define VIDIOC_LOG_STATUS _IO('V', 70) 2139 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2140 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2141 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2142 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2143 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2144 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2145 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2146 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2147 2148 /* Experimental, meant for debugging, testing and internal use. 2149 Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2150 You must be root to use these ioctls. Never use these in applications! */ 2151 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2152 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2153 2154 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2155 2156 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2157 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2158 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2159 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2160 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2161 2162 /* Experimental, the below two ioctls may change over the next couple of kernel 2163 versions */ 2164 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2165 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2166 2167 /* Experimental selection API */ 2168 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2169 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2170 2171 /* Experimental, these two ioctls may change over the next couple of kernel 2172 versions. */ 2173 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2174 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2175 2176 /* Experimental, these three ioctls may change over the next couple of kernel 2177 versions. */ 2178 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2179 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2180 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2181 2182 /* Experimental, this ioctl may change over the next couple of kernel 2183 versions. */ 2184 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2185 2186 /* Experimental, meant for debugging, testing and internal use. 2187 Never use these in applications! */ 2188 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2189 2190 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2191 2192 /* Reminder: when adding new ioctls please add support for them to 2193 drivers/media/video/v4l2-compat-ioctl32.c as well! */ 2194 2195 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2196 2197 #endif /* _UAPI__LINUX_VIDEODEV2_H */ 2198