1 /* 2 * Video for Linux Two header file 3 * 4 * Copyright (C) 1999-2012 the contributors 5 * Copyright (c) 2016, The Linux Foundation. All rights reserved. 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * Alternatively you can redistribute this file under the terms of the 18 * BSD license as stated below: 19 * 20 * Redistribution and use in source and binary forms, with or without 21 * modification, are permitted provided that the following conditions 22 * are met: 23 * 1. Redistributions of source code must retain the above copyright 24 * notice, this list of conditions and the following disclaimer. 25 * 2. Redistributions in binary form must reproduce the above copyright 26 * notice, this list of conditions and the following disclaimer in 27 * the documentation and/or other materials provided with the 28 * distribution. 29 * 3. The names of its contributors may not be used to endorse or promote 30 * products derived from this software without specific prior written 31 * permission. 32 * 33 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 34 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 35 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 36 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 37 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 38 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 39 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 40 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 41 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 42 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 43 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 44 * 45 * Header file for v4l or V4L2 drivers and applications 46 * with public API. 47 * All kernel-specific stuff were moved to media/v4l2-dev.h, so 48 * no #if __KERNEL tests are allowed here 49 * 50 * See http://linuxtv.org for more info 51 * 52 * Author: Bill Dirks <bill (at) thedirks.org> 53 * Justin Schoeman 54 * Hans Verkuil <hverkuil (at) xs4all.nl> 55 * et al. 56 */ 57 #ifndef _UAPI__LINUX_VIDEODEV2_H 58 #define _UAPI__LINUX_VIDEODEV2_H 59 60 #ifndef __KERNEL__ 61 #include <sys/time.h> 62 #endif 63 #include <linux/compiler.h> 64 #include <linux/ioctl.h> 65 #include <linux/types.h> 66 #include <linux/v4l2-common.h> 67 #include <linux/v4l2-controls.h> 68 69 /* 70 * Common stuff for both V4L1 and V4L2 71 * Moved from videodev.h 72 */ 73 #define VIDEO_MAX_FRAME 32 74 #define VIDEO_MAX_PLANES 8 75 76 /* 77 * M I S C E L L A N E O U S 78 */ 79 80 /* Four-character-code (FOURCC) */ 81 #define v4l2_fourcc(a, b, c, d)\ 82 ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24)) 83 #define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1 << 31)) 84 85 /* 86 * E N U M S 87 */ 88 enum v4l2_field { 89 V4L2_FIELD_ANY = 0, /* driver can choose from none, 90 top, bottom, interlaced 91 depending on whatever it thinks 92 is approximate ... */ 93 V4L2_FIELD_NONE = 1, /* this device has no fields ... */ 94 V4L2_FIELD_TOP = 2, /* top field only */ 95 V4L2_FIELD_BOTTOM = 3, /* bottom field only */ 96 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */ 97 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one 98 buffer, top-bottom order */ 99 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */ 100 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into 101 separate buffers */ 102 V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field 103 first and the top field is 104 transmitted first */ 105 V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field 106 first and the bottom field is 107 transmitted first */ 108 }; 109 #define V4L2_FIELD_HAS_TOP(field) \ 110 ((field) == V4L2_FIELD_TOP ||\ 111 (field) == V4L2_FIELD_INTERLACED ||\ 112 (field) == V4L2_FIELD_INTERLACED_TB ||\ 113 (field) == V4L2_FIELD_INTERLACED_BT ||\ 114 (field) == V4L2_FIELD_SEQ_TB ||\ 115 (field) == V4L2_FIELD_SEQ_BT) 116 #define V4L2_FIELD_HAS_BOTTOM(field) \ 117 ((field) == V4L2_FIELD_BOTTOM ||\ 118 (field) == V4L2_FIELD_INTERLACED ||\ 119 (field) == V4L2_FIELD_INTERLACED_TB ||\ 120 (field) == V4L2_FIELD_INTERLACED_BT ||\ 121 (field) == V4L2_FIELD_SEQ_TB ||\ 122 (field) == V4L2_FIELD_SEQ_BT) 123 #define V4L2_FIELD_HAS_BOTH(field) \ 124 ((field) == V4L2_FIELD_INTERLACED ||\ 125 (field) == V4L2_FIELD_INTERLACED_TB ||\ 126 (field) == V4L2_FIELD_INTERLACED_BT ||\ 127 (field) == V4L2_FIELD_SEQ_TB ||\ 128 (field) == V4L2_FIELD_SEQ_BT) 129 #define V4L2_FIELD_HAS_T_OR_B(field) \ 130 ((field) == V4L2_FIELD_BOTTOM ||\ 131 (field) == V4L2_FIELD_TOP ||\ 132 (field) == V4L2_FIELD_ALTERNATE) 133 134 enum v4l2_buf_type { 135 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, 136 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, 137 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, 138 V4L2_BUF_TYPE_VBI_CAPTURE = 4, 139 V4L2_BUF_TYPE_VBI_OUTPUT = 5, 140 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6, 141 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7, 142 #if 1 143 /* Experimental */ 144 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8, 145 #endif 146 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9, 147 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10, 148 V4L2_BUF_TYPE_SDR_CAPTURE = 11, 149 /* Deprecated, do not use */ 150 V4L2_BUF_TYPE_PRIVATE = 0x80, 151 }; 152 153 #define V4L2_TYPE_IS_MULTIPLANAR(type) \ 154 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \ 155 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 156 157 #define V4L2_TYPE_IS_OUTPUT(type) \ 158 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \ 159 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \ 160 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \ 161 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \ 162 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \ 163 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT) 164 165 enum v4l2_tuner_type { 166 V4L2_TUNER_RADIO = 1, 167 V4L2_TUNER_ANALOG_TV = 2, 168 V4L2_TUNER_DIGITAL_TV = 3, 169 V4L2_TUNER_ADC = 4, 170 V4L2_TUNER_RF = 5, 171 }; 172 173 enum v4l2_memory { 174 V4L2_MEMORY_MMAP = 1, 175 V4L2_MEMORY_USERPTR = 2, 176 V4L2_MEMORY_OVERLAY = 3, 177 V4L2_MEMORY_DMABUF = 4, 178 }; 179 180 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 181 enum v4l2_colorspace { 182 /* ITU-R 601 -- broadcast NTSC/PAL */ 183 V4L2_COLORSPACE_SMPTE170M = 1, 184 185 /* 1125-Line (US) HDTV */ 186 V4L2_COLORSPACE_SMPTE240M = 2, 187 188 /* HD and modern captures. */ 189 V4L2_COLORSPACE_REC709 = 3, 190 191 /* broken BT878 extents (601, luma range 16-253 instead of 16-235) */ 192 V4L2_COLORSPACE_BT878 = 4, 193 194 /* These should be useful. Assume 601 extents. */ 195 V4L2_COLORSPACE_470_SYSTEM_M = 5, 196 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 197 198 /* I know there will be cameras that send this. So, this is 199 * unspecified chromaticities and full 0-255 on each of the 200 * Y'CbCr components 201 */ 202 V4L2_COLORSPACE_JPEG = 7, 203 204 /* For RGB colourspaces, this is probably a good start. */ 205 V4L2_COLORSPACE_SRGB = 8, 206 }; 207 208 enum v4l2_priority { 209 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 210 V4L2_PRIORITY_BACKGROUND = 1, 211 V4L2_PRIORITY_INTERACTIVE = 2, 212 V4L2_PRIORITY_RECORD = 3, 213 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 214 }; 215 216 struct v4l2_rect { 217 __s32 left; 218 __s32 top; 219 __u32 width; 220 __u32 height; 221 }; 222 223 struct v4l2_fract { 224 __u32 numerator; 225 __u32 denominator; 226 }; 227 228 /** 229 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 230 * 231 * @driver: name of the driver module (e.g. "bttv") 232 * @card: name of the card (e.g. "Hauppauge WinTV") 233 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 234 * @version: KERNEL_VERSION 235 * @capabilities: capabilities of the physical device as a whole 236 * @device_caps: capabilities accessed via this particular device (node) 237 * @reserved: reserved fields for future extensions 238 */ 239 struct v4l2_capability { 240 __u8 driver[16]; 241 __u8 card[32]; 242 __u8 bus_info[32]; 243 __u32 version; 244 __u32 capabilities; 245 __u32 device_caps; 246 __u32 reserved[3]; 247 }; 248 249 /* Values for 'capabilities' field */ 250 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 251 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 252 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 253 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 254 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 255 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 256 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 257 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 258 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 259 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 260 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 261 262 /* Is a video capture device that supports multiplanar formats */ 263 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 264 /* Is a video output device that supports multiplanar formats */ 265 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 266 /* Is a video mem-to-mem device that supports multiplanar formats */ 267 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 268 /* Is a video mem-to-mem device */ 269 #define V4L2_CAP_VIDEO_M2M 0x00008000 270 271 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 272 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 273 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 274 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 275 276 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */ 277 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */ 278 279 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 280 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 281 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 282 283 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 284 285 /* 286 * V I D E O I M A G E F O R M A T 287 */ 288 struct v4l2_pix_format { 289 __u32 width; 290 __u32 height; 291 __u32 pixelformat; 292 __u32 field; /* enum v4l2_field */ 293 __u32 bytesperline; /* for padding, zero if unused */ 294 __u32 sizeimage; 295 __u32 colorspace; /* enum v4l2_colorspace */ 296 __u32 priv; /* private data, depends on pixelformat */ 297 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ 298 }; 299 300 /* Pixel format FOURCC depth Description */ 301 302 /* RGB formats */ 303 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 304 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 305 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */ 306 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */ 307 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 308 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */ 309 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */ 310 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 311 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 312 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */ 313 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */ 314 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 315 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 316 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 317 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 318 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 319 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */ 320 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */ 321 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 322 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */ 323 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */ 324 325 /* UBWC 32-bit RGBA8888 */ 326 #define V4L2_PIX_FMT_RGBA8888_UBWC v4l2_fourcc('Q', 'R', 'G', 'B') 327 328 /* Grey formats */ 329 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 330 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 331 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 332 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 333 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 334 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 335 336 /* Grey bit-packed formats */ 337 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 338 339 /* Palette formats */ 340 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 341 342 /* Chrominance formats */ 343 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 344 345 /* Luminance+Chrominance formats */ 346 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 347 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 348 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 349 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 350 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 351 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 352 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 353 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 354 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 16 YVU411 planar */ 355 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 356 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 357 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 358 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 359 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 360 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 361 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 362 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */ 363 #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */ 364 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 365 366 /* two planes -- one Y, one Cr + Cb interleaved */ 367 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 368 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 369 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 370 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 371 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 372 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 373 374 /* UBWC 8-bit Y/CbCr 4:2:0 */ 375 #define V4L2_PIX_FMT_NV12_UBWC v4l2_fourcc('Q', '1', '2', '8') 376 /* UBWC 10-bit Y/CbCr 4:2:0 */ 377 #define V4L2_PIX_FMT_NV12_TP10_UBWC v4l2_fourcc('Q', '1', '2', 'A') 378 379 /* two non contiguous planes - one Y, one Cr + Cb interleaved */ 380 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 381 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 382 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ 383 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ 384 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */ 385 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */ 386 387 /* three non contiguous planes - Y, Cb, Cr */ 388 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 389 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 390 391 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 392 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 393 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 394 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 395 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 396 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 397 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 398 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 399 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 400 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 401 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 402 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 403 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 404 /* 10bit raw bayer a-law compressed to 8 bits */ 405 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 406 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 407 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 408 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 409 /* 10bit raw bayer DPCM compressed to 8 bits */ 410 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 411 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 412 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 413 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 414 /* 10bit raw bayer DPCM compressed to 6 bits */ 415 #define V4L2_PIX_FMT_SBGGR10DPCM6 v4l2_fourcc('b', 'B', 'A', '6') 416 #define V4L2_PIX_FMT_SGBRG10DPCM6 v4l2_fourcc('b', 'G', 'A', '6') 417 #define V4L2_PIX_FMT_SGRBG10DPCM6 v4l2_fourcc('B', 'D', '1', '6') 418 #define V4L2_PIX_FMT_SRGGB10DPCM6 v4l2_fourcc('b', 'R', 'A', '6') 419 420 /* 421 * 10bit raw bayer, expanded to 16 bits 422 * xxxxrrrrrrrrrrxxxxgggggggggg xxxxggggggggggxxxxbbbbbbbbbb... 423 */ 424 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 425 426 /* compressed formats */ 427 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 428 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 429 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 430 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 431 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 432 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 433 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 434 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 435 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 436 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 437 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 438 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 439 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 440 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 441 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 442 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */ 443 #define V4L2_PIX_FMT_DIVX_311 v4l2_fourcc('D', 'I', 'V', '3') /* DIVX311 */ 444 #define V4L2_PIX_FMT_DIVX v4l2_fourcc('D', 'I', 'V', 'X') /* DIVX */ 445 #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* for HEVC stream */ 446 #define V4L2_PIX_FMT_HEVC_HYBRID v4l2_fourcc('H', 'V', 'C', 'H') 447 448 /* Vendor-specific formats */ 449 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 450 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 451 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 452 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 453 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 454 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 455 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 456 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 457 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 458 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 459 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 460 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 461 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 462 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 463 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 464 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 465 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 466 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 467 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 468 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 469 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 470 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 471 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 472 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 473 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 474 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 475 476 /* SDR formats - used only for Software Defined Radio devices */ 477 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 478 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 479 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 480 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 481 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 482 483 /* priv field value to indicates that subsequent fields are valid. */ 484 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 485 486 /* Flags */ 487 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 488 489 /* 490 * F O R M A T E N U M E R A T I O N 491 */ 492 struct v4l2_fmtdesc { 493 __u32 index; /* Format number */ 494 __u32 type; /* enum v4l2_buf_type */ 495 __u32 flags; 496 __u8 description[32]; /* Description string */ 497 __u32 pixelformat; /* Format fourcc */ 498 __u32 reserved[4]; 499 }; 500 501 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 502 #define V4L2_FMT_FLAG_EMULATED 0x0002 503 504 #if 1 505 /* Experimental Frame Size and frame rate enumeration */ 506 /* 507 * F R A M E S I Z E E N U M E R A T I O N 508 */ 509 enum v4l2_frmsizetypes { 510 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 511 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 512 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 513 }; 514 515 struct v4l2_frmsize_discrete { 516 __u32 width; /* Frame width [pixel] */ 517 __u32 height; /* Frame height [pixel] */ 518 }; 519 520 struct v4l2_frmsize_stepwise { 521 __u32 min_width; /* Minimum frame width [pixel] */ 522 __u32 max_width; /* Maximum frame width [pixel] */ 523 __u32 step_width; /* Frame width step size [pixel] */ 524 __u32 min_height; /* Minimum frame height [pixel] */ 525 __u32 max_height; /* Maximum frame height [pixel] */ 526 __u32 step_height; /* Frame height step size [pixel] */ 527 }; 528 529 struct v4l2_frmsizeenum { 530 __u32 index; /* Frame size number */ 531 __u32 pixel_format; /* Pixel format */ 532 __u32 type; /* Frame size type the device supports. */ 533 534 union { /* Frame size */ 535 struct v4l2_frmsize_discrete discrete; 536 struct v4l2_frmsize_stepwise stepwise; 537 }; 538 539 __u32 reserved[2]; /* Reserved space for future use */ 540 }; 541 542 /* 543 * F R A M E R A T E E N U M E R A T I O N 544 */ 545 enum v4l2_frmivaltypes { 546 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 547 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 548 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 549 }; 550 551 struct v4l2_frmival_stepwise { 552 struct v4l2_fract min; /* Minimum frame interval [s] */ 553 struct v4l2_fract max; /* Maximum frame interval [s] */ 554 struct v4l2_fract step; /* Frame interval step size [s] */ 555 }; 556 557 struct v4l2_frmivalenum { 558 __u32 index; /* Frame format index */ 559 __u32 pixel_format; /* Pixel format */ 560 __u32 width; /* Frame width */ 561 __u32 height; /* Frame height */ 562 __u32 type; /* Frame interval type the device supports. */ 563 564 union { /* Frame interval */ 565 struct v4l2_fract discrete; 566 struct v4l2_frmival_stepwise stepwise; 567 }; 568 569 __u32 reserved[2]; /* Reserved space for future use */ 570 }; 571 #endif 572 573 /* 574 * T I M E C O D E 575 */ 576 struct v4l2_timecode { 577 __u32 type; 578 __u32 flags; 579 __u8 frames; 580 __u8 seconds; 581 __u8 minutes; 582 __u8 hours; 583 __u8 userbits[4]; 584 }; 585 586 /* Type */ 587 #define V4L2_TC_TYPE_24FPS 1 588 #define V4L2_TC_TYPE_25FPS 2 589 #define V4L2_TC_TYPE_30FPS 3 590 #define V4L2_TC_TYPE_50FPS 4 591 #define V4L2_TC_TYPE_60FPS 5 592 593 /* Flags */ 594 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 595 #define V4L2_TC_FLAG_COLORFRAME 0x0002 596 #define V4L2_TC_USERBITS_field 0x000C 597 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 598 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 599 /* The above is based on SMPTE timecodes */ 600 601 struct v4l2_jpegcompression { 602 int quality; 603 604 int APPn; /* Number of APP segment to be written, 605 * must be 0..15 */ 606 int APP_len; /* Length of data in JPEG APPn segment */ 607 char APP_data[60]; /* Data in the JPEG APPn segment. */ 608 609 int COM_len; /* Length of data in JPEG COM segment */ 610 char COM_data[60]; /* Data in JPEG COM segment */ 611 612 __u32 jpeg_markers; /* Which markers should go into the JPEG 613 * output. Unless you exactly know what 614 * you do, leave them untouched. 615 * Including less markers will make the 616 * resulting code smaller, but there will 617 * be fewer applications which can read it. 618 * The presence of the APP and COM marker 619 * is influenced by APP_len and COM_len 620 * ONLY, not by this property! */ 621 622 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 623 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 624 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 625 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 626 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 627 * always use APP0 */ 628 }; 629 630 /* 631 * M E M O R Y - M A P P I N G B U F F E R S 632 */ 633 struct v4l2_requestbuffers { 634 __u32 count; 635 __u32 type; /* enum v4l2_buf_type */ 636 __u32 memory; /* enum v4l2_memory */ 637 __u32 reserved[2]; 638 }; 639 640 /** 641 * struct v4l2_plane - plane info for multi-planar buffers 642 * @bytesused: number of bytes occupied by data in the plane (payload) 643 * @length: size of this plane (NOT the payload) in bytes 644 * @mem_offset: when memory in the associated struct v4l2_buffer is 645 * V4L2_MEMORY_MMAP, equals the offset from the start of 646 * the device memory for this plane (or is a "cookie" that 647 * should be passed to mmap() called on the video node) 648 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 649 * pointing to this plane 650 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 651 * descriptor associated with this plane 652 * @data_offset: offset in the plane to the start of data; usually 0, 653 * unless there is a header in front of the data 654 * 655 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 656 * with two planes can have one plane for Y, and another for interleaved CbCr 657 * components. Each plane can reside in a separate memory buffer, or even in 658 * a completely separate memory node (e.g. in embedded devices). 659 */ 660 struct v4l2_plane { 661 __u32 bytesused; 662 __u32 length; 663 union { 664 __u32 mem_offset; 665 unsigned long userptr; 666 __s32 fd; 667 } m; 668 __u32 data_offset; 669 __u32 reserved[11]; 670 }; 671 672 /** 673 * struct v4l2_buffer - video buffer info 674 * @index: id number of the buffer 675 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 676 * multiplanar buffers); 677 * @bytesused: number of bytes occupied by data in the buffer (payload); 678 * unused (set to 0) for multiplanar buffers 679 * @flags: buffer informational flags 680 * @field: enum v4l2_field; field order of the image in the buffer 681 * @timestamp: frame timestamp 682 * @timecode: frame timecode 683 * @sequence: sequence count of this frame 684 * @memory: enum v4l2_memory; the method, in which the actual video data is 685 * passed 686 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 687 * offset from the start of the device memory for this plane, 688 * (or a "cookie" that should be passed to mmap() as offset) 689 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 690 * a userspace pointer pointing to this buffer 691 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 692 * a userspace file descriptor associated with this buffer 693 * @planes: for multiplanar buffers; userspace pointer to the array of plane 694 * info structs for this buffer 695 * @length: size in bytes of the buffer (NOT its payload) for single-plane 696 * buffers (when type != *_MPLANE); number of elements in the 697 * planes array for multi-plane buffers 698 * 699 * Contains data exchanged by application and driver using one of the Streaming 700 * I/O methods. 701 */ 702 struct v4l2_buffer { 703 __u32 index; 704 __u32 type; 705 __u32 bytesused; 706 __u32 flags; 707 __u32 field; 708 struct timeval timestamp; 709 struct v4l2_timecode timecode; 710 __u32 sequence; 711 712 /* memory location */ 713 __u32 memory; 714 union { 715 __u32 offset; 716 unsigned long userptr; 717 struct v4l2_plane *planes; 718 __s32 fd; 719 } m; 720 __u32 length; 721 __u32 reserved2; 722 __u32 reserved; 723 }; 724 725 /* Flags for 'flags' field */ 726 /* Buffer is mapped (flag) */ 727 #define V4L2_BUF_FLAG_MAPPED 0x00000001 728 /* Buffer is queued for processing */ 729 #define V4L2_BUF_FLAG_QUEUED 0x00000002 730 /* Buffer is ready */ 731 #define V4L2_BUF_FLAG_DONE 0x00000004 732 /* Image is a keyframe (I-frame) */ 733 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008 734 /* Image is a P-frame */ 735 #define V4L2_BUF_FLAG_PFRAME 0x00000010 736 /* Image is a B-frame */ 737 #define V4L2_BUF_FLAG_BFRAME 0x00000020 738 /* Buffer is ready, but the data contained within is corrupted. */ 739 #define V4L2_BUF_FLAG_ERROR 0x00000040 740 /* timecode field is valid */ 741 #define V4L2_BUF_FLAG_TIMECODE 0x00000100 742 /* Buffer is prepared for queuing */ 743 #define V4L2_BUF_FLAG_PREPARED 0x00000400 744 /* Cache handling flags */ 745 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 746 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 747 /* Timestamp type */ 748 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 749 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 750 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 751 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 752 /* Timestamp sources. */ 753 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 754 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 755 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 756 /* Vendor extensions */ 757 #define V4L2_QCOM_BUF_FLAG_CODECCONFIG 0x00020000 758 #define V4L2_QCOM_BUF_FLAG_EOSEQ 0x00040000 759 #define V4L2_QCOM_BUF_TIMESTAMP_INVALID 0x00080000 760 #define V4L2_QCOM_BUF_FLAG_IDRFRAME 0x00100000 761 #define V4L2_QCOM_BUF_FLAG_DECODEONLY 0x00200000 762 #define V4L2_QCOM_BUF_DATA_CORRUPT 0x00400000 763 #define V4L2_QCOM_BUF_DROP_FRAME 0x00800000 764 #define V4L2_QCOM_BUF_INPUT_UNSUPPORTED 0x01000000 765 #define V4L2_QCOM_BUF_FLAG_EOS 0x02000000 766 #define V4L2_QCOM_BUF_FLAG_READONLY 0x04000000 767 #define V4L2_MSM_VIDC_BUF_START_CODE_NOT_FOUND 0x08000000 768 #define V4L2_MSM_BUF_FLAG_YUV_601_709_CLAMP 0x10000000 769 #define V4L2_MSM_BUF_FLAG_MBAFF 0x20000000 770 #define V4L2_MSM_BUF_FLAG_DEFER 0x40000000 771 772 /** 773 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 774 * 775 * @index: id number of the buffer 776 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 777 * multiplanar buffers); 778 * @plane: index of the plane to be exported, 0 for single plane queues 779 * @flags: flags for newly created file, currently only O_CLOEXEC is 780 * supported, refer to manual of open syscall for more details 781 * @fd: file descriptor associated with DMABUF (set by driver) 782 * 783 * Contains data used for exporting a video buffer as DMABUF file descriptor. 784 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 785 * (identical to the cookie used to mmap() the buffer to userspace). All 786 * reserved fields must be set to zero. The field reserved0 is expected to 787 * become a structure 'type' allowing an alternative layout of the structure 788 * content. Therefore this field should not be used for any other extensions. 789 */ 790 struct v4l2_exportbuffer { 791 __u32 type; /* enum v4l2_buf_type */ 792 __u32 index; 793 __u32 plane; 794 __u32 flags; 795 __s32 fd; 796 __u32 reserved[11]; 797 }; 798 799 /* 800 * O V E R L A Y P R E V I E W 801 */ 802 struct v4l2_framebuffer { 803 __u32 capability; 804 __u32 flags; 805 /* FIXME: in theory we should pass something like PCI device + memory 806 * region + offset instead of some physical address */ 807 void *base; 808 struct { 809 __u32 width; 810 __u32 height; 811 __u32 pixelformat; 812 __u32 field; /* enum v4l2_field */ 813 __u32 bytesperline; /* for padding, zero if unused */ 814 __u32 sizeimage; 815 __u32 colorspace; /* enum v4l2_colorspace */ 816 __u32 priv; /* reserved field, set to 0 */ 817 } fmt; 818 }; 819 /* Flags for the 'capability' field. Read only */ 820 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 821 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 822 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 823 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 824 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 825 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 826 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 827 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 828 /* Flags for the 'flags' field. */ 829 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 830 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 831 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 832 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 833 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 834 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 835 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 836 837 struct v4l2_clip { 838 struct v4l2_rect c; 839 struct v4l2_clip __user *next; 840 }; 841 842 struct v4l2_window { 843 struct v4l2_rect w; 844 __u32 field; /* enum v4l2_field */ 845 __u32 chromakey; 846 struct v4l2_clip __user *clips; 847 __u32 clipcount; 848 void __user *bitmap; 849 __u8 global_alpha; 850 }; 851 852 /* 853 * C A P T U R E P A R A M E T E R S 854 */ 855 struct v4l2_captureparm { 856 __u32 capability; /* Supported modes */ 857 __u32 capturemode; /* Current mode */ 858 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 859 __u32 extendedmode; /* Driver-specific extensions */ 860 __u32 readbuffers; /* # of buffers for read */ 861 __u32 reserved[4]; 862 }; 863 864 /* Flags for 'capability' and 'capturemode' fields */ 865 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 866 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 867 #define V4L2_CAP_QCOM_FRAMESKIP 0x2000 /* frame skipping is supported */ 868 869 struct v4l2_qcom_frameskip { 870 __u64 maxframeinterval; 871 __u8 fpsvariance; 872 }; 873 874 struct v4l2_outputparm { 875 __u32 capability; /* Supported modes */ 876 __u32 outputmode; /* Current mode */ 877 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 878 __u32 extendedmode; /* Driver-specific extensions */ 879 __u32 writebuffers; /* # of buffers for write */ 880 __u32 reserved[4]; 881 }; 882 883 /* 884 * I N P U T I M A G E C R O P P I N G 885 */ 886 struct v4l2_cropcap { 887 __u32 type; /* enum v4l2_buf_type */ 888 struct v4l2_rect bounds; 889 struct v4l2_rect defrect; 890 struct v4l2_fract pixelaspect; 891 }; 892 893 struct v4l2_crop { 894 __u32 type; /* enum v4l2_buf_type */ 895 struct v4l2_rect c; 896 }; 897 898 /** 899 * struct v4l2_selection - selection info 900 * @type: buffer type (do not use *_MPLANE types) 901 * @target: Selection target, used to choose one of possible rectangles; 902 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 903 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 904 * @r: coordinates of selection window 905 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 906 * 907 * Hardware may use multiple helper windows to process a video stream. 908 * The structure is used to exchange this selection areas between 909 * an application and a driver. 910 */ 911 struct v4l2_selection { 912 __u32 type; 913 __u32 target; 914 __u32 flags; 915 struct v4l2_rect r; 916 __u32 reserved[9]; 917 }; 918 919 920 /* 921 * A N A L O G V I D E O S T A N D A R D 922 */ 923 924 typedef __u64 v4l2_std_id; 925 926 /* one bit for each */ 927 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 928 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 929 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 930 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 931 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 932 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 933 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 934 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 935 936 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 937 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 938 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 939 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 940 941 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 942 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 943 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 944 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 945 946 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 947 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 948 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 949 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 950 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 951 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 952 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 953 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 954 955 /* ATSC/HDTV */ 956 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 957 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 958 959 /* FIXME: 960 Although std_id is 64 bits, there is an issue on PPC32 architecture that 961 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 962 this value to 32 bits. 963 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 964 it should work fine. However, if needed to add more than two standards, 965 v4l2-common.c should be fixed. 966 */ 967 968 /* 969 * Some macros to merge video standards in order to make live easier for the 970 * drivers and V4L2 applications 971 */ 972 973 /* 974 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 975 * Missing here. 976 */ 977 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 978 V4L2_STD_NTSC_M_JP |\ 979 V4L2_STD_NTSC_M_KR) 980 /* Secam macros */ 981 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 982 V4L2_STD_SECAM_K |\ 983 V4L2_STD_SECAM_K1) 984 /* All Secam Standards */ 985 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 986 V4L2_STD_SECAM_G |\ 987 V4L2_STD_SECAM_H |\ 988 V4L2_STD_SECAM_DK |\ 989 V4L2_STD_SECAM_L |\ 990 V4L2_STD_SECAM_LC) 991 /* PAL macros */ 992 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 993 V4L2_STD_PAL_B1 |\ 994 V4L2_STD_PAL_G) 995 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 996 V4L2_STD_PAL_D1 |\ 997 V4L2_STD_PAL_K) 998 /* 999 * "Common" PAL - This macro is there to be compatible with the old 1000 * V4L1 concept of "PAL": /BGDKHI. 1001 * Several PAL standards are missing here: /M, /N and /Nc 1002 */ 1003 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1004 V4L2_STD_PAL_DK |\ 1005 V4L2_STD_PAL_H |\ 1006 V4L2_STD_PAL_I) 1007 /* Chroma "agnostic" standards */ 1008 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 1009 V4L2_STD_PAL_B1 |\ 1010 V4L2_STD_SECAM_B) 1011 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 1012 V4L2_STD_SECAM_G) 1013 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 1014 V4L2_STD_SECAM_H) 1015 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1016 V4L2_STD_SECAM_LC) 1017 #define V4L2_STD_GH (V4L2_STD_G |\ 1018 V4L2_STD_H) 1019 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1020 V4L2_STD_SECAM_DK) 1021 #define V4L2_STD_BG (V4L2_STD_B |\ 1022 V4L2_STD_G) 1023 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1024 V4L2_STD_PAL_N |\ 1025 V4L2_STD_PAL_Nc |\ 1026 V4L2_STD_NTSC) 1027 1028 /* Standards where MTS/BTSC stereo could be found */ 1029 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1030 V4L2_STD_PAL_M |\ 1031 V4L2_STD_PAL_N |\ 1032 V4L2_STD_PAL_Nc) 1033 1034 /* Standards for Countries with 60Hz Line frequency */ 1035 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1036 V4L2_STD_PAL_60 |\ 1037 V4L2_STD_NTSC |\ 1038 V4L2_STD_NTSC_443) 1039 /* Standards for Countries with 50Hz Line frequency */ 1040 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1041 V4L2_STD_PAL_N |\ 1042 V4L2_STD_PAL_Nc |\ 1043 V4L2_STD_SECAM) 1044 1045 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1046 V4L2_STD_ATSC_16_VSB) 1047 /* Macros with none and all analog standards */ 1048 #define V4L2_STD_UNKNOWN 0 1049 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1050 V4L2_STD_625_50) 1051 1052 struct v4l2_standard { 1053 __u32 index; 1054 v4l2_std_id id; 1055 __u8 name[24]; 1056 struct v4l2_fract frameperiod; /* Frames, not fields */ 1057 __u32 framelines; 1058 __u32 reserved[4]; 1059 }; 1060 1061 /* 1062 * D V B T T I M I N G S 1063 */ 1064 1065 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1066 * @width: total width of the active video in pixels 1067 * @height: total height of the active video in lines 1068 * @interlaced: Interlaced or progressive 1069 * @polarities: Positive or negative polarities 1070 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1071 * @hfrontporch:Horizontal front porch in pixels 1072 * @hsync: Horizontal Sync length in pixels 1073 * @hbackporch: Horizontal back porch in pixels 1074 * @vfrontporch:Vertical front porch in lines 1075 * @vsync: Vertical Sync length in lines 1076 * @vbackporch: Vertical back porch in lines 1077 * @il_vfrontporch:Vertical front porch for the even field 1078 * (aka field 2) of interlaced field formats 1079 * @il_vsync: Vertical Sync length for the even field 1080 * (aka field 2) of interlaced field formats 1081 * @il_vbackporch:Vertical back porch for the even field 1082 * (aka field 2) of interlaced field formats 1083 * @standards: Standards the timing belongs to 1084 * @flags: Flags 1085 * @reserved: Reserved fields, must be zeroed. 1086 * 1087 * A note regarding vertical interlaced timings: height refers to the total 1088 * height of the active video frame (= two fields). The blanking timings refer 1089 * to the blanking of each field. So the height of the total frame is 1090 * calculated as follows: 1091 * 1092 * tot_height = height + vfrontporch + vsync + vbackporch + 1093 * il_vfrontporch + il_vsync + il_vbackporch 1094 * 1095 * The active height of each field is height / 2. 1096 */ 1097 struct v4l2_bt_timings { 1098 __u32 width; 1099 __u32 height; 1100 __u32 interlaced; 1101 __u32 polarities; 1102 __u64 pixelclock; 1103 __u32 hfrontporch; 1104 __u32 hsync; 1105 __u32 hbackporch; 1106 __u32 vfrontporch; 1107 __u32 vsync; 1108 __u32 vbackporch; 1109 __u32 il_vfrontporch; 1110 __u32 il_vsync; 1111 __u32 il_vbackporch; 1112 __u32 standards; 1113 __u32 flags; 1114 __u32 reserved[14]; 1115 } __attribute__ ((packed)); 1116 1117 /* Interlaced or progressive format */ 1118 #define V4L2_DV_PROGRESSIVE 0 1119 #define V4L2_DV_INTERLACED 1 1120 1121 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1122 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1123 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1124 1125 /* Timings standards */ 1126 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1127 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1128 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1129 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1130 1131 /* Flags */ 1132 1133 /* CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1134 GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1135 intervals are reduced, allowing a higher resolution over the same 1136 bandwidth. This is a read-only flag. */ 1137 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1138 /* CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1139 of six. These formats can be optionally played at 1 / 1.001 speed. 1140 This is a read-only flag. */ 1141 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1142 /* CEA-861 specific: only valid for video transmitters, the flag is cleared 1143 by receivers. 1144 If the framerate of the format is a multiple of six, then the pixelclock 1145 used to set up the transmitter is divided by 1.001 to make it compatible 1146 with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1147 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1148 such frequencies, then the flag will also be cleared. */ 1149 #define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1150 /* Specific to interlaced formats: if set, then field 1 is really one half-line 1151 longer and field 2 is really one half-line shorter, so each field has 1152 exactly the same number of half-lines. Whether half-lines can be detected 1153 or used depends on the hardware. */ 1154 #define V4L2_DV_FL_HALF_LINE (1 << 3) 1155 1156 /* A few useful defines to calculate the total blanking and frame sizes */ 1157 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1158 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1159 #define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1160 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1161 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1162 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1163 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) 1164 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1165 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1166 1167 /** struct v4l2_dv_timings - DV timings 1168 * @type: the type of the timings 1169 * @bt: BT656/1120 timings 1170 */ 1171 struct v4l2_dv_timings { 1172 __u32 type; 1173 union { 1174 struct v4l2_bt_timings bt; 1175 __u32 reserved[32]; 1176 }; 1177 } __attribute__ ((packed)); 1178 1179 /* Values for the type field */ 1180 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1181 1182 1183 /** struct v4l2_enum_dv_timings - DV timings enumeration 1184 * @index: enumeration index 1185 * @pad: the pad number for which to enumerate timings (used with 1186 * v4l-subdev nodes only) 1187 * @reserved: must be zeroed 1188 * @timings: the timings for the given index 1189 */ 1190 struct v4l2_enum_dv_timings { 1191 __u32 index; 1192 __u32 pad; 1193 __u32 reserved[2]; 1194 struct v4l2_dv_timings timings; 1195 }; 1196 1197 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1198 * @min_width: width in pixels 1199 * @max_width: width in pixels 1200 * @min_height: height in lines 1201 * @max_height: height in lines 1202 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1203 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1204 * @standards: Supported standards 1205 * @capabilities: Supported capabilities 1206 * @reserved: Must be zeroed 1207 */ 1208 struct v4l2_bt_timings_cap { 1209 __u32 min_width; 1210 __u32 max_width; 1211 __u32 min_height; 1212 __u32 max_height; 1213 __u64 min_pixelclock; 1214 __u64 max_pixelclock; 1215 __u32 standards; 1216 __u32 capabilities; 1217 __u32 reserved[16]; 1218 } __attribute__ ((packed)); 1219 1220 /* Supports interlaced formats */ 1221 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1222 /* Supports progressive formats */ 1223 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1224 /* Supports CVT/GTF reduced blanking */ 1225 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1226 /* Supports custom formats */ 1227 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1228 1229 /** struct v4l2_dv_timings_cap - DV timings capabilities 1230 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1231 * @pad: the pad number for which to query capabilities (used with 1232 * v4l-subdev nodes only) 1233 * @bt: the BT656/1120 timings capabilities 1234 */ 1235 struct v4l2_dv_timings_cap { 1236 __u32 type; 1237 __u32 pad; 1238 __u32 reserved[2]; 1239 union { 1240 struct v4l2_bt_timings_cap bt; 1241 __u32 raw_data[32]; 1242 }; 1243 }; 1244 1245 1246 /* 1247 * V I D E O I N P U T S 1248 */ 1249 struct v4l2_input { 1250 __u32 index; /* Which input */ 1251 __u8 name[32]; /* Label */ 1252 __u32 type; /* Type of input */ 1253 __u32 audioset; /* Associated audios (bitfield) */ 1254 __u32 tuner; /* enum v4l2_tuner_type */ 1255 v4l2_std_id std; 1256 __u32 status; 1257 __u32 capabilities; 1258 __u32 reserved[3]; 1259 }; 1260 1261 /* Values for the 'type' field */ 1262 #define V4L2_INPUT_TYPE_TUNER 1 1263 #define V4L2_INPUT_TYPE_CAMERA 2 1264 1265 /* field 'status' - general */ 1266 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1267 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1268 #define V4L2_IN_ST_NO_COLOR 0x00000004 1269 1270 /* field 'status' - sensor orientation */ 1271 /* If sensor is mounted upside down set both bits */ 1272 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1273 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1274 1275 /* field 'status' - analog */ 1276 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1277 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1278 1279 /* field 'status' - digital */ 1280 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1281 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1282 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1283 1284 /* field 'status' - VCR and set-top box */ 1285 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1286 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1287 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1288 1289 /* capabilities flags */ 1290 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1291 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1292 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1293 1294 /* 1295 * V I D E O O U T P U T S 1296 */ 1297 struct v4l2_output { 1298 __u32 index; /* Which output */ 1299 __u8 name[32]; /* Label */ 1300 __u32 type; /* Type of output */ 1301 __u32 audioset; /* Associated audios (bitfield) */ 1302 __u32 modulator; /* Associated modulator */ 1303 v4l2_std_id std; 1304 __u32 capabilities; 1305 __u32 reserved[3]; 1306 }; 1307 /* Values for the 'type' field */ 1308 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1309 #define V4L2_OUTPUT_TYPE_ANALOG 2 1310 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1311 1312 /* capabilities flags */ 1313 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1314 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1315 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1316 1317 /* 1318 * C O N T R O L S 1319 */ 1320 struct v4l2_control { 1321 __u32 id; 1322 __s32 value; 1323 }; 1324 1325 struct v4l2_ext_control { 1326 __u32 id; 1327 __u32 size; 1328 __u32 reserved2[1]; 1329 union { 1330 __s32 value; 1331 __s64 value64; 1332 char __user *string; 1333 __u8 __user *p_u8; 1334 __u16 __user *p_u16; 1335 __u32 __user *p_u32; 1336 void __user *ptr; 1337 }; 1338 } __attribute__ ((packed)); 1339 1340 struct v4l2_ext_controls { 1341 __u32 ctrl_class; 1342 __u32 count; 1343 __u32 error_idx; 1344 __u32 reserved[2]; 1345 struct v4l2_ext_control *controls; 1346 }; 1347 1348 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1349 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1350 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1351 #define V4L2_CTRL_MAX_DIMS (4) 1352 1353 enum v4l2_ctrl_type { 1354 V4L2_CTRL_TYPE_INTEGER = 1, 1355 V4L2_CTRL_TYPE_BOOLEAN = 2, 1356 V4L2_CTRL_TYPE_MENU = 3, 1357 V4L2_CTRL_TYPE_BUTTON = 4, 1358 V4L2_CTRL_TYPE_INTEGER64 = 5, 1359 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1360 V4L2_CTRL_TYPE_STRING = 7, 1361 V4L2_CTRL_TYPE_BITMASK = 8, 1362 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1363 1364 /* Compound types are >= 0x0100 */ 1365 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1366 V4L2_CTRL_TYPE_U8 = 0x0100, 1367 V4L2_CTRL_TYPE_U16 = 0x0101, 1368 V4L2_CTRL_TYPE_U32 = 0x0102, 1369 }; 1370 1371 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1372 struct v4l2_queryctrl { 1373 __u32 id; 1374 __u32 type; /* enum v4l2_ctrl_type */ 1375 __u8 name[32]; /* Whatever */ 1376 __s32 minimum; /* Note signedness */ 1377 __s32 maximum; 1378 __s32 step; 1379 __s32 default_value; 1380 __u32 flags; 1381 __u32 reserved[2]; 1382 }; 1383 1384 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1385 struct v4l2_query_ext_ctrl { 1386 __u32 id; 1387 __u32 type; 1388 char name[32]; 1389 __s64 minimum; 1390 __s64 maximum; 1391 __u64 step; 1392 __s64 default_value; 1393 __u32 flags; 1394 __u32 elem_size; 1395 __u32 elems; 1396 __u32 nr_of_dims; 1397 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1398 __u32 reserved[32]; 1399 }; 1400 1401 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1402 struct v4l2_querymenu { 1403 __u32 id; 1404 __u32 index; 1405 union { 1406 __u8 name[32]; /* Whatever */ 1407 __s64 value; 1408 }; 1409 __u32 reserved; 1410 } __attribute__ ((packed)); 1411 1412 /* Control flags */ 1413 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1414 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1415 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1416 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1417 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1418 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1419 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1420 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1421 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1422 1423 /* Query flags, to be ORed with the control ID */ 1424 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1425 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1426 1427 /* User-class control IDs defined by V4L2 */ 1428 #define V4L2_CID_MAX_CTRLS 1024 1429 /* IDs reserved for driver specific controls */ 1430 #define V4L2_CID_PRIVATE_BASE 0x08000000 1431 1432 1433 /* 1434 * T U N I N G 1435 */ 1436 struct v4l2_tuner { 1437 __u32 index; 1438 __u8 name[32]; 1439 __u32 type; /* enum v4l2_tuner_type */ 1440 __u32 capability; 1441 __u32 rangelow; 1442 __u32 rangehigh; 1443 __u32 rxsubchans; 1444 __u32 audmode; 1445 __s32 signal; 1446 __s32 afc; 1447 __u32 reserved[4]; 1448 }; 1449 1450 struct v4l2_modulator { 1451 __u32 index; 1452 __u8 name[32]; 1453 __u32 capability; 1454 __u32 rangelow; 1455 __u32 rangehigh; 1456 __u32 txsubchans; 1457 __u32 reserved[4]; 1458 }; 1459 1460 /* Flags for the 'capability' field */ 1461 #define V4L2_TUNER_CAP_LOW 0x0001 1462 #define V4L2_TUNER_CAP_NORM 0x0002 1463 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1464 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1465 #define V4L2_TUNER_CAP_STEREO 0x0010 1466 #define V4L2_TUNER_CAP_LANG2 0x0020 1467 #define V4L2_TUNER_CAP_SAP 0x0020 1468 #define V4L2_TUNER_CAP_LANG1 0x0040 1469 #define V4L2_TUNER_CAP_RDS 0x0080 1470 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1471 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1472 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1473 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1474 #define V4L2_TUNER_CAP_1HZ 0x1000 1475 1476 /* Flags for the 'rxsubchans' field */ 1477 #define V4L2_TUNER_SUB_MONO 0x0001 1478 #define V4L2_TUNER_SUB_STEREO 0x0002 1479 #define V4L2_TUNER_SUB_LANG2 0x0004 1480 #define V4L2_TUNER_SUB_SAP 0x0004 1481 #define V4L2_TUNER_SUB_LANG1 0x0008 1482 #define V4L2_TUNER_SUB_RDS 0x0010 1483 1484 /* Values for the 'audmode' field */ 1485 #define V4L2_TUNER_MODE_MONO 0x0000 1486 #define V4L2_TUNER_MODE_STEREO 0x0001 1487 #define V4L2_TUNER_MODE_LANG2 0x0002 1488 #define V4L2_TUNER_MODE_SAP 0x0002 1489 #define V4L2_TUNER_MODE_LANG1 0x0003 1490 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1491 1492 struct v4l2_frequency { 1493 __u32 tuner; 1494 __u32 type; /* enum v4l2_tuner_type */ 1495 __u32 frequency; 1496 __u32 reserved[8]; 1497 }; 1498 1499 #define V4L2_BAND_MODULATION_VSB (1 << 1) 1500 #define V4L2_BAND_MODULATION_FM (1 << 2) 1501 #define V4L2_BAND_MODULATION_AM (1 << 3) 1502 1503 struct v4l2_frequency_band { 1504 __u32 tuner; 1505 __u32 type; /* enum v4l2_tuner_type */ 1506 __u32 index; 1507 __u32 capability; 1508 __u32 rangelow; 1509 __u32 rangehigh; 1510 __u32 modulation; 1511 __u32 reserved[9]; 1512 }; 1513 1514 struct v4l2_hw_freq_seek { 1515 __u32 tuner; 1516 __u32 type; /* enum v4l2_tuner_type */ 1517 __u32 seek_upward; 1518 __u32 wrap_around; 1519 __u32 spacing; 1520 __u32 rangelow; 1521 __u32 rangehigh; 1522 __u32 reserved[5]; 1523 }; 1524 1525 /* 1526 * R D S 1527 */ 1528 1529 struct v4l2_rds_data { 1530 __u8 lsb; 1531 __u8 msb; 1532 __u8 block; 1533 } __attribute__ ((packed)); 1534 1535 #define V4L2_RDS_BLOCK_MSK 0x7 1536 #define V4L2_RDS_BLOCK_A 0 1537 #define V4L2_RDS_BLOCK_B 1 1538 #define V4L2_RDS_BLOCK_C 2 1539 #define V4L2_RDS_BLOCK_D 3 1540 #define V4L2_RDS_BLOCK_C_ALT 4 1541 #define V4L2_RDS_BLOCK_INVALID 7 1542 1543 #define V4L2_RDS_BLOCK_CORRECTED 0x40 1544 #define V4L2_RDS_BLOCK_ERROR 0x80 1545 1546 /* 1547 * A U D I O 1548 */ 1549 struct v4l2_audio { 1550 __u32 index; 1551 __u8 name[32]; 1552 __u32 capability; 1553 __u32 mode; 1554 __u32 reserved[2]; 1555 }; 1556 1557 /* Flags for the 'capability' field */ 1558 #define V4L2_AUDCAP_STEREO 0x00001 1559 #define V4L2_AUDCAP_AVL 0x00002 1560 1561 /* Flags for the 'mode' field */ 1562 #define V4L2_AUDMODE_AVL 0x00001 1563 1564 struct v4l2_audioout { 1565 __u32 index; 1566 __u8 name[32]; 1567 __u32 capability; 1568 __u32 mode; 1569 __u32 reserved[2]; 1570 }; 1571 1572 /* 1573 * M P E G S E R V I C E S 1574 * 1575 * NOTE: EXPERIMENTAL API 1576 */ 1577 #if 1 1578 #define V4L2_ENC_IDX_FRAME_I (0) 1579 #define V4L2_ENC_IDX_FRAME_P (1) 1580 #define V4L2_ENC_IDX_FRAME_B (2) 1581 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 1582 1583 struct v4l2_enc_idx_entry { 1584 __u64 offset; 1585 __u64 pts; 1586 __u32 length; 1587 __u32 flags; 1588 __u32 reserved[2]; 1589 }; 1590 1591 #define V4L2_ENC_IDX_ENTRIES (64) 1592 struct v4l2_enc_idx { 1593 __u32 entries; 1594 __u32 entries_cap; 1595 __u32 reserved[4]; 1596 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 1597 }; 1598 1599 1600 #define V4L2_ENC_CMD_START (0) 1601 #define V4L2_ENC_CMD_STOP (1) 1602 #define V4L2_ENC_CMD_PAUSE (2) 1603 #define V4L2_ENC_CMD_RESUME (3) 1604 #define V4L2_ENC_QCOM_CMD_FLUSH (4) 1605 1606 /* Flags for V4L2_ENC_CMD_STOP */ 1607 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 1608 1609 struct v4l2_encoder_cmd { 1610 __u32 cmd; 1611 __u32 flags; 1612 union { 1613 struct { 1614 __u32 data[8]; 1615 } raw; 1616 }; 1617 }; 1618 1619 /* Decoder commands */ 1620 #define V4L2_DEC_CMD_START (0) 1621 #define V4L2_DEC_CMD_STOP (1) 1622 #define V4L2_DEC_CMD_PAUSE (2) 1623 #define V4L2_DEC_CMD_RESUME (3) 1624 #define V4L2_DEC_QCOM_CMD_FLUSH (4) 1625 #define V4L2_DEC_QCOM_CMD_RECONFIG_HINT (5) 1626 1627 /* Flags for V4L2_DEC_CMD_START */ 1628 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 1629 1630 /* Flags for V4L2_DEC_CMD_PAUSE */ 1631 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 1632 1633 /* Flags for V4L2_DEC_CMD_STOP */ 1634 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 1635 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 1636 1637 /* Flags for V4L2_DEC_QCOM_CMD_FLUSH */ 1638 #define V4L2_DEC_QCOM_CMD_FLUSH_OUTPUT (1 << 0) 1639 #define V4L2_DEC_QCOM_CMD_FLUSH_CAPTURE (1 << 1) 1640 1641 #define V4L2_QCOM_CMD_FLUSH_OUTPUT (1 << 0) 1642 #define V4L2_QCOM_CMD_FLUSH_CAPTURE (1 << 1) 1643 1644 /* Play format requirements (returned by the driver): */ 1645 1646 /* The decoder has no special format requirements */ 1647 #define V4L2_DEC_START_FMT_NONE (0) 1648 /* The decoder requires full GOPs */ 1649 #define V4L2_DEC_START_FMT_GOP (1) 1650 1651 /* The structure must be zeroed before use by the application 1652 This ensures it can be extended safely in the future. */ 1653 struct v4l2_decoder_cmd { 1654 __u32 cmd; 1655 __u32 flags; 1656 union { 1657 struct { 1658 __u64 pts; 1659 } stop; 1660 1661 struct { 1662 /* 0 or 1000 specifies normal speed, 1663 1 specifies forward single stepping, 1664 -1 specifies backward single stepping, 1665 >1: playback at speed/1000 of the normal speed, 1666 <-1: reverse playback at (-speed/1000) of the normal speed. */ 1667 __s32 speed; 1668 __u32 format; 1669 } start; 1670 1671 struct { 1672 __u32 data[16]; 1673 } raw; 1674 }; 1675 }; 1676 #endif 1677 1678 1679 /* 1680 * D A T A S E R V I C E S ( V B I ) 1681 * 1682 * Data services API by Michael Schimek 1683 */ 1684 1685 /* Raw VBI */ 1686 struct v4l2_vbi_format { 1687 __u32 sampling_rate; /* in 1 Hz */ 1688 __u32 offset; 1689 __u32 samples_per_line; 1690 __u32 sample_format; /* V4L2_PIX_FMT_* */ 1691 __s32 start[2]; 1692 __u32 count[2]; 1693 __u32 flags; /* V4L2_VBI_* */ 1694 __u32 reserved[2]; /* must be zero */ 1695 }; 1696 1697 /* VBI flags */ 1698 #define V4L2_VBI_UNSYNC (1 << 0) 1699 #define V4L2_VBI_INTERLACED (1 << 1) 1700 1701 /* ITU-R start lines for each field */ 1702 #define V4L2_VBI_ITU_525_F1_START (1) 1703 #define V4L2_VBI_ITU_525_F2_START (264) 1704 #define V4L2_VBI_ITU_625_F1_START (1) 1705 #define V4L2_VBI_ITU_625_F2_START (314) 1706 1707 /* Sliced VBI 1708 * 1709 * This implements is a proposal V4L2 API to allow SLICED VBI 1710 * required for some hardware encoders. It should change without 1711 * notice in the definitive implementation. 1712 */ 1713 1714 struct v4l2_sliced_vbi_format { 1715 __u16 service_set; 1716 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1717 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1718 (equals frame lines 313-336 for 625 line video 1719 standards, 263-286 for 525 line standards) */ 1720 __u16 service_lines[2][24]; 1721 __u32 io_size; 1722 __u32 reserved[2]; /* must be zero */ 1723 }; 1724 1725 /* Teletext World System Teletext 1726 (WST), defined on ITU-R BT.653-2 */ 1727 #define V4L2_SLICED_TELETEXT_B (0x0001) 1728 /* Video Program System, defined on ETS 300 231*/ 1729 #define V4L2_SLICED_VPS (0x0400) 1730 /* Closed Caption, defined on EIA-608 */ 1731 #define V4L2_SLICED_CAPTION_525 (0x1000) 1732 /* Wide Screen System, defined on ITU-R BT1119.1 */ 1733 #define V4L2_SLICED_WSS_625 (0x4000) 1734 1735 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 1736 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 1737 1738 struct v4l2_sliced_vbi_cap { 1739 __u16 service_set; 1740 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1741 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1742 (equals frame lines 313-336 for 625 line video 1743 standards, 263-286 for 525 line standards) */ 1744 __u16 service_lines[2][24]; 1745 __u32 type; /* enum v4l2_buf_type */ 1746 __u32 reserved[3]; /* must be 0 */ 1747 }; 1748 1749 struct v4l2_sliced_vbi_data { 1750 __u32 id; 1751 __u32 field; /* 0: first field, 1: second field */ 1752 __u32 line; /* 1-23 */ 1753 __u32 reserved; /* must be 0 */ 1754 __u8 data[48]; 1755 }; 1756 1757 /* 1758 * Sliced VBI data inserted into MPEG Streams 1759 */ 1760 1761 /* 1762 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 1763 * 1764 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 1765 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 1766 * data 1767 * 1768 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 1769 * definitions are not included here. See the MPEG-2 specifications for details 1770 * on these headers. 1771 */ 1772 1773 /* Line type IDs */ 1774 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 1775 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 1776 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 1777 #define V4L2_MPEG_VBI_IVTV_VPS (7) 1778 1779 struct v4l2_mpeg_vbi_itv0_line { 1780 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 1781 __u8 data[42]; /* Sliced VBI data for the line */ 1782 } __attribute__ ((packed)); 1783 1784 struct v4l2_mpeg_vbi_itv0 { 1785 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 1786 struct v4l2_mpeg_vbi_itv0_line line[35]; 1787 } __attribute__ ((packed)); 1788 1789 struct v4l2_mpeg_vbi_ITV0 { 1790 struct v4l2_mpeg_vbi_itv0_line line[36]; 1791 } __attribute__ ((packed)); 1792 1793 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 1794 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 1795 1796 struct v4l2_mpeg_vbi_fmt_ivtv { 1797 __u8 magic[4]; 1798 union { 1799 struct v4l2_mpeg_vbi_itv0 itv0; 1800 struct v4l2_mpeg_vbi_ITV0 ITV0; 1801 }; 1802 } __attribute__ ((packed)); 1803 1804 /* 1805 * A G G R E G A T E S T R U C T U R E S 1806 */ 1807 1808 /** 1809 * struct v4l2_plane_pix_format - additional, per-plane format definition 1810 * @sizeimage: maximum size in bytes required for data, for which 1811 * this plane will be used 1812 * @bytesperline: distance in bytes between the leftmost pixels in two 1813 * adjacent lines 1814 */ 1815 struct v4l2_plane_pix_format { 1816 __u32 sizeimage; 1817 __u16 bytesperline; 1818 __u16 reserved[7]; 1819 } __attribute__ ((packed)); 1820 1821 /** 1822 * struct v4l2_pix_format_mplane - multiplanar format definition 1823 * @width: image width in pixels 1824 * @height: image height in pixels 1825 * @pixelformat: little endian four character code (fourcc) 1826 * @field: enum v4l2_field; field order (for interlaced video) 1827 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 1828 * @plane_fmt: per-plane information 1829 * @num_planes: number of planes for this format 1830 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 1831 */ 1832 struct v4l2_pix_format_mplane { 1833 __u32 width; 1834 __u32 height; 1835 __u32 pixelformat; 1836 __u32 field; 1837 __u32 colorspace; 1838 1839 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 1840 __u8 num_planes; 1841 __u8 flags; 1842 __u8 reserved[10]; 1843 } __attribute__ ((packed)); 1844 1845 /** 1846 * struct v4l2_sdr_format - SDR format definition 1847 * @pixelformat: little endian four character code (fourcc) 1848 * @buffersize: maximum size in bytes required for data 1849 */ 1850 struct v4l2_sdr_format { 1851 __u32 pixelformat; 1852 __u32 buffersize; 1853 __u8 reserved[24]; 1854 } __attribute__ ((packed)); 1855 1856 /** 1857 * struct v4l2_format - stream data format 1858 * @type: enum v4l2_buf_type; type of the data stream 1859 * @pix: definition of an image format 1860 * @pix_mp: definition of a multiplanar image format 1861 * @win: definition of an overlaid image 1862 * @vbi: raw VBI capture or output parameters 1863 * @sliced: sliced VBI capture or output parameters 1864 * @raw_data: placeholder for future extensions and custom formats 1865 */ 1866 struct v4l2_format { 1867 __u32 type; 1868 union { 1869 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 1870 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 1871 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 1872 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 1873 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 1874 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 1875 __u8 raw_data[200]; /* user-defined */ 1876 } fmt; 1877 }; 1878 1879 /* Stream type-dependent parameters 1880 */ 1881 struct v4l2_streamparm { 1882 __u32 type; /* enum v4l2_buf_type */ 1883 union { 1884 struct v4l2_captureparm capture; 1885 struct v4l2_outputparm output; 1886 __u8 raw_data[200]; /* user-defined */ 1887 } parm; 1888 }; 1889 1890 /* 1891 * E V E N T S 1892 */ 1893 1894 #define V4L2_EVENT_ALL 0 1895 #define V4L2_EVENT_VSYNC 1 1896 #define V4L2_EVENT_EOS 2 1897 #define V4L2_EVENT_CTRL 3 1898 #define V4L2_EVENT_FRAME_SYNC 4 1899 #define V4L2_EVENT_SOURCE_CHANGE 5 1900 #define V4L2_EVENT_MOTION_DET 6 1901 #define V4L2_EVENT_PRIVATE_START 0x08000000 1902 1903 #define V4L2_EVENT_BITDEPTH_FLAG 0x1 1904 #define V4L2_EVENT_PICSTRUCT_FLAG 0x2 1905 1906 #define V4L2_EVENT_MSM_VIDC_START (V4L2_EVENT_PRIVATE_START + 0x00001000) 1907 #define V4L2_EVENT_MSM_VIDC_FLUSH_DONE (V4L2_EVENT_MSM_VIDC_START + 1) 1908 #define V4L2_EVENT_MSM_VIDC_PORT_SETTINGS_CHANGED_SUFFICIENT \ 1909 (V4L2_EVENT_MSM_VIDC_START + 2) 1910 #define V4L2_EVENT_MSM_VIDC_PORT_SETTINGS_CHANGED_INSUFFICIENT \ 1911 (V4L2_EVENT_MSM_VIDC_START + 3) 1912 /* 1913 * Bitdepth changed insufficient is deprecated now, however retaining 1914 * to prevent changing the values of the other macros after bitdepth 1915 */ 1916 #define V4L2_EVENT_MSM_VIDC_PORT_SETTINGS_BITDEPTH_CHANGED_INSUFFICIENT \ 1917 (V4L2_EVENT_MSM_VIDC_START + 4) 1918 #define V4L2_EVENT_MSM_VIDC_SYS_ERROR (V4L2_EVENT_MSM_VIDC_START + 5) 1919 #define V4L2_EVENT_MSM_VIDC_RELEASE_BUFFER_REFERENCE \ 1920 (V4L2_EVENT_MSM_VIDC_START + 6) 1921 #define V4L2_EVENT_MSM_VIDC_RELEASE_UNQUEUED_BUFFER \ 1922 (V4L2_EVENT_MSM_VIDC_START + 7) 1923 #define V4L2_EVENT_MSM_VIDC_HW_OVERLOAD (V4L2_EVENT_MSM_VIDC_START + 8) 1924 #define V4L2_EVENT_MSM_VIDC_MAX_CLIENTS (V4L2_EVENT_MSM_VIDC_START + 9) 1925 #define V4L2_EVENT_MSM_VIDC_HW_UNSUPPORTED (V4L2_EVENT_MSM_VIDC_START + 10) 1926 1927 #define V4L2_EVENT_MSM_BA_PRIVATE_EVENT_BASE \ 1928 (V4L2_EVENT_PRIVATE_START + 0x00005000) 1929 #define V4L2_EVENT_MSM_BA_START V4L2_EVENT_MSM_BA_PRIVATE_EVENT_BASE 1930 #define V4L2_EVENT_MSM_BA_DEVICE_AVAILABLE (V4L2_EVENT_MSM_BA_START + 1) 1931 #define V4L2_EVENT_MSM_BA_DEVICE_UNAVAILABLE \ 1932 (V4L2_EVENT_MSM_BA_START + 2) 1933 #define V4L2_EVENT_MSM_BA_PORT_SETTINGS_CHANGED \ 1934 (V4L2_EVENT_MSM_BA_START + 3) 1935 #define V4L2_EVENT_MSM_BA_SIGNAL_IN_LOCK \ 1936 (V4L2_EVENT_MSM_BA_START + 4) 1937 #define V4L2_EVENT_MSM_BA_SIGNAL_LOST_LOCK \ 1938 (V4L2_EVENT_MSM_BA_START + 5) 1939 #define V4L2_EVENT_MSM_BA_SOURCE_CHANGE \ 1940 (V4L2_EVENT_MSM_BA_START + 6) 1941 #define V4L2_EVENT_MSM_BA_HDMI_HPD \ 1942 (V4L2_EVENT_MSM_BA_START + 7) 1943 #define V4L2_EVENT_MSM_BA_HDMI_CEC_MESSAGE \ 1944 (V4L2_EVENT_MSM_BA_START + 8) 1945 #define V4L2_EVENT_MSM_BA_CP \ 1946 (V4L2_EVENT_MSM_BA_START + 9) 1947 #define V4L2_EVENT_MSM_BA_CABLE_DETECT \ 1948 (V4L2_EVENT_MSM_BA_START + 10) 1949 #define V4L2_EVENT_MSM_BA_ERROR \ 1950 (V4L2_EVENT_MSM_BA_START + 11) 1951 1952 /* Payload for V4L2_EVENT_VSYNC */ 1953 struct v4l2_event_vsync { 1954 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 1955 __u8 field; 1956 } __attribute__ ((packed)); 1957 1958 /* Payload for V4L2_EVENT_CTRL */ 1959 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 1960 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 1961 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 1962 1963 struct v4l2_event_ctrl { 1964 __u32 changes; 1965 __u32 type; 1966 union { 1967 __s32 value; 1968 __s64 value64; 1969 }; 1970 __u32 flags; 1971 __s32 minimum; 1972 __s32 maximum; 1973 __s32 step; 1974 __s32 default_value; 1975 }; 1976 1977 struct v4l2_event_frame_sync { 1978 __u32 frame_sequence; 1979 }; 1980 1981 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 1982 1983 struct v4l2_event_src_change { 1984 __u32 changes; 1985 }; 1986 1987 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 1988 1989 /** 1990 * struct v4l2_event_motion_det - motion detection event 1991 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 1992 * frame_sequence field is valid. 1993 * @frame_sequence: the frame sequence number associated with this event. 1994 * @region_mask: which regions detected motion. 1995 */ 1996 struct v4l2_event_motion_det { 1997 __u32 flags; 1998 __u32 frame_sequence; 1999 __u32 region_mask; 2000 }; 2001 2002 struct v4l2_event { 2003 __u32 type; 2004 union { 2005 struct v4l2_event_vsync vsync; 2006 struct v4l2_event_ctrl ctrl; 2007 struct v4l2_event_frame_sync frame_sync; 2008 struct v4l2_event_src_change src_change; 2009 struct v4l2_event_motion_det motion_det; 2010 __u8 data[64]; 2011 } u; 2012 __u32 pending; 2013 __u32 sequence; 2014 struct timespec timestamp; 2015 __u32 id; 2016 __u32 reserved[8]; 2017 }; 2018 2019 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2020 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2021 2022 struct v4l2_event_subscription { 2023 __u32 type; 2024 __u32 id; 2025 __u32 flags; 2026 __u32 reserved[5]; 2027 }; 2028 2029 /* 2030 * A D V A N C E D D E B U G G I N G 2031 * 2032 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2033 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2034 */ 2035 2036 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2037 2038 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2039 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2040 2041 /* The following four defines are no longer in use */ 2042 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2043 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2044 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2045 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2046 2047 struct v4l2_dbg_match { 2048 __u32 type; /* Match type */ 2049 union { /* Match this chip, meaning determined by type */ 2050 __u32 addr; 2051 char name[32]; 2052 }; 2053 } __attribute__ ((packed)); 2054 2055 struct v4l2_dbg_register { 2056 struct v4l2_dbg_match match; 2057 __u32 size; /* register size in bytes */ 2058 __u64 reg; 2059 __u64 val; 2060 } __attribute__ ((packed)); 2061 2062 #define V4L2_CHIP_FL_READABLE (1 << 0) 2063 #define V4L2_CHIP_FL_WRITABLE (1 << 1) 2064 2065 /* VIDIOC_DBG_G_CHIP_INFO */ 2066 struct v4l2_dbg_chip_info { 2067 struct v4l2_dbg_match match; 2068 char name[32]; 2069 __u32 flags; 2070 __u32 reserved[32]; 2071 } __attribute__ ((packed)); 2072 2073 /** 2074 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2075 * @index: on return, index of the first created buffer 2076 * @count: entry: number of requested buffers, 2077 * return: number of created buffers 2078 * @memory: enum v4l2_memory; buffer memory type 2079 * @format: frame format, for which buffers are requested 2080 * @reserved: future extensions 2081 */ 2082 struct v4l2_create_buffers { 2083 __u32 index; 2084 __u32 count; 2085 __u32 memory; 2086 struct v4l2_format format; 2087 __u32 reserved[8]; 2088 }; 2089 2090 /* 2091 * 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 2092 * 2093 */ 2094 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2095 #define VIDIOC_RESERVED _IO('V', 1) 2096 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2097 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2098 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2099 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2100 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2101 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2102 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2103 #define VIDIOC_OVERLAY _IOW('V', 14, int) 2104 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2105 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2106 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2107 #define VIDIOC_STREAMON _IOW('V', 18, int) 2108 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 2109 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2110 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2111 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2112 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2113 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2114 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2115 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2116 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2117 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2118 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2119 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2120 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2121 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2122 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2123 #define VIDIOC_G_INPUT _IOR('V', 38, int) 2124 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 2125 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2126 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2127 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2128 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2129 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2130 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2131 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2132 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2133 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2134 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2135 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2136 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2137 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2138 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2139 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2140 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2141 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2142 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2143 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2144 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2145 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2146 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2147 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2148 #define VIDIOC_LOG_STATUS _IO('V', 70) 2149 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2150 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2151 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2152 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2153 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2154 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2155 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2156 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2157 2158 /* Experimental, meant for debugging, testing and internal use. 2159 Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2160 You must be root to use these ioctls. Never use these in applications! */ 2161 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2162 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2163 2164 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2165 2166 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2167 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2168 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2169 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2170 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2171 2172 /* Experimental, the below two ioctls may change over the next couple of kernel 2173 versions */ 2174 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2175 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2176 2177 /* Experimental selection API */ 2178 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2179 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2180 2181 /* Experimental, these two ioctls may change over the next couple of kernel 2182 versions. */ 2183 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2184 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2185 2186 /* Experimental, these three ioctls may change over the next couple of kernel 2187 versions. */ 2188 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2189 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2190 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2191 2192 /* Experimental, this ioctl may change over the next couple of kernel 2193 versions. */ 2194 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2195 2196 /* Experimental, meant for debugging, testing and internal use. 2197 Never use these in applications! */ 2198 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2199 2200 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2201 2202 /* Reminder: when adding new ioctls please add support for them to 2203 drivers/media/video/v4l2-compat-ioctl32.c as well! */ 2204 2205 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2206 2207 /* HDMI rx provide ioctls */ 2208 #define VIDIOC_HDMI_RX_CEC_S_LOGICAL _IOW('V', BASE_VIDIOC_PRIVATE + 0, int) 2209 #define VIDIOC_HDMI_RX_CEC_CLEAR_LOGICAL _IO('V', BASE_VIDIOC_PRIVATE + 1) 2210 #define VIDIOC_HDMI_RX_CEC_G_PHYSICAL _IOR('V', BASE_VIDIOC_PRIVATE + 2, int) 2211 #define VIDIOC_HDMI_RX_CEC_G_CONNECTED _IOR('V', BASE_VIDIOC_PRIVATE + 3, int) 2212 #define VIDIOC_HDMI_RX_CEC_S_ENABLE _IOR('V', BASE_VIDIOC_PRIVATE + 4, int) 2213 2214 #endif /* _UAPI__LINUX_VIDEODEV2_H */ 2215
