1 /* 2 * Video for Linux Two header file 3 * 4 * Copyright (C) 1999-2012 the contributors 5 * Copyright (c) 2016-2017, 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 #define V4L2_PIX_FMT_SBGGRPLAIN16 v4l2_fourcc('B', 'G', '1', '6')/* 16 BGBG.. GRGR.. */ 405 #define V4L2_PIX_FMT_SGBRGPLAIN16 v4l2_fourcc('G', 'B', '1', '6')/* 16 GBGB.. RGRG.. */ 406 #define V4L2_PIX_FMT_SGRBGPLAIN16 v4l2_fourcc('G', 'R', '1', '6')/* 16 GRGR.. BGBG.. */ 407 #define V4L2_PIX_FMT_SRGGBPLAIN16 v4l2_fourcc('R', 'G', '1', '6')/* 16 RGRG.. GBGB.. */ 408 /* 10bit raw bayer a-law compressed to 8 bits */ 409 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 410 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 411 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 412 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 413 /* 10bit raw bayer DPCM compressed to 8 bits */ 414 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 415 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 416 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 417 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 418 /* 10bit raw bayer DPCM compressed to 6 bits */ 419 #define V4L2_PIX_FMT_SBGGR10DPCM6 v4l2_fourcc('b', 'B', 'A', '6') 420 #define V4L2_PIX_FMT_SGBRG10DPCM6 v4l2_fourcc('b', 'G', 'A', '6') 421 #define V4L2_PIX_FMT_SGRBG10DPCM6 v4l2_fourcc('B', 'D', '1', '6') 422 #define V4L2_PIX_FMT_SRGGB10DPCM6 v4l2_fourcc('b', 'R', 'A', '6') 423 424 /* 425 * 10bit raw bayer, expanded to 16 bits 426 * xxxxrrrrrrrrrrxxxxgggggggggg xxxxggggggggggxxxxbbbbbbbbbb... 427 */ 428 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 429 430 /* compressed formats */ 431 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 432 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 433 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 434 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 435 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 436 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 437 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 438 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 439 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 440 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 441 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 442 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 443 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 444 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 445 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 446 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */ 447 #define V4L2_PIX_FMT_DIVX_311 v4l2_fourcc('D', 'I', 'V', '3') /* DIVX311 */ 448 #define V4L2_PIX_FMT_DIVX v4l2_fourcc('D', 'I', 'V', 'X') /* DIVX */ 449 #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* for HEVC stream */ 450 #define V4L2_PIX_FMT_HEVC_HYBRID v4l2_fourcc('H', 'V', 'C', 'H') 451 452 /* Vendor-specific formats */ 453 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 454 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 455 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 456 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 457 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 458 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 459 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 460 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 461 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 462 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 463 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 464 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 465 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 466 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 467 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 468 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 469 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 470 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 471 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 472 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 473 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 474 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 475 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 476 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 477 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 478 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 479 480 /* SDR formats - used only for Software Defined Radio devices */ 481 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 482 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 483 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 484 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 485 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 486 487 /* priv field value to indicates that subsequent fields are valid. */ 488 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 489 490 /* Flags */ 491 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 492 493 /* 494 * F O R M A T E N U M E R A T I O N 495 */ 496 struct v4l2_fmtdesc { 497 __u32 index; /* Format number */ 498 __u32 type; /* enum v4l2_buf_type */ 499 __u32 flags; 500 __u8 description[32]; /* Description string */ 501 __u32 pixelformat; /* Format fourcc */ 502 __u32 reserved[4]; 503 }; 504 505 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 506 #define V4L2_FMT_FLAG_EMULATED 0x0002 507 508 #if 1 509 /* Experimental Frame Size and frame rate enumeration */ 510 /* 511 * F R A M E S I Z E E N U M E R A T I O N 512 */ 513 enum v4l2_frmsizetypes { 514 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 515 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 516 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 517 }; 518 519 struct v4l2_frmsize_discrete { 520 __u32 width; /* Frame width [pixel] */ 521 __u32 height; /* Frame height [pixel] */ 522 }; 523 524 struct v4l2_frmsize_stepwise { 525 __u32 min_width; /* Minimum frame width [pixel] */ 526 __u32 max_width; /* Maximum frame width [pixel] */ 527 __u32 step_width; /* Frame width step size [pixel] */ 528 __u32 min_height; /* Minimum frame height [pixel] */ 529 __u32 max_height; /* Maximum frame height [pixel] */ 530 __u32 step_height; /* Frame height step size [pixel] */ 531 }; 532 533 struct v4l2_frmsizeenum { 534 __u32 index; /* Frame size number */ 535 __u32 pixel_format; /* Pixel format */ 536 __u32 type; /* Frame size type the device supports. */ 537 538 union { /* Frame size */ 539 struct v4l2_frmsize_discrete discrete; 540 struct v4l2_frmsize_stepwise stepwise; 541 }; 542 543 __u32 reserved[2]; /* Reserved space for future use */ 544 }; 545 546 /* 547 * F R A M E R A T E E N U M E R A T I O N 548 */ 549 enum v4l2_frmivaltypes { 550 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 551 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 552 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 553 }; 554 555 struct v4l2_frmival_stepwise { 556 struct v4l2_fract min; /* Minimum frame interval [s] */ 557 struct v4l2_fract max; /* Maximum frame interval [s] */ 558 struct v4l2_fract step; /* Frame interval step size [s] */ 559 }; 560 561 struct v4l2_frmivalenum { 562 __u32 index; /* Frame format index */ 563 __u32 pixel_format; /* Pixel format */ 564 __u32 width; /* Frame width */ 565 __u32 height; /* Frame height */ 566 __u32 type; /* Frame interval type the device supports. */ 567 568 union { /* Frame interval */ 569 struct v4l2_fract discrete; 570 struct v4l2_frmival_stepwise stepwise; 571 }; 572 573 __u32 reserved[2]; /* Reserved space for future use */ 574 }; 575 #endif 576 577 /* 578 * T I M E C O D E 579 */ 580 struct v4l2_timecode { 581 __u32 type; 582 __u32 flags; 583 __u8 frames; 584 __u8 seconds; 585 __u8 minutes; 586 __u8 hours; 587 __u8 userbits[4]; 588 }; 589 590 /* Type */ 591 #define V4L2_TC_TYPE_24FPS 1 592 #define V4L2_TC_TYPE_25FPS 2 593 #define V4L2_TC_TYPE_30FPS 3 594 #define V4L2_TC_TYPE_50FPS 4 595 #define V4L2_TC_TYPE_60FPS 5 596 597 /* Flags */ 598 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 599 #define V4L2_TC_FLAG_COLORFRAME 0x0002 600 #define V4L2_TC_USERBITS_field 0x000C 601 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 602 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 603 /* The above is based on SMPTE timecodes */ 604 605 struct v4l2_jpegcompression { 606 int quality; 607 608 int APPn; /* Number of APP segment to be written, 609 * must be 0..15 */ 610 int APP_len; /* Length of data in JPEG APPn segment */ 611 char APP_data[60]; /* Data in the JPEG APPn segment. */ 612 613 int COM_len; /* Length of data in JPEG COM segment */ 614 char COM_data[60]; /* Data in JPEG COM segment */ 615 616 __u32 jpeg_markers; /* Which markers should go into the JPEG 617 * output. Unless you exactly know what 618 * you do, leave them untouched. 619 * Including less markers will make the 620 * resulting code smaller, but there will 621 * be fewer applications which can read it. 622 * The presence of the APP and COM marker 623 * is influenced by APP_len and COM_len 624 * ONLY, not by this property! */ 625 626 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 627 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 628 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 629 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 630 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 631 * always use APP0 */ 632 }; 633 634 /* 635 * M E M O R Y - M A P P I N G B U F F E R S 636 */ 637 struct v4l2_requestbuffers { 638 __u32 count; 639 __u32 type; /* enum v4l2_buf_type */ 640 __u32 memory; /* enum v4l2_memory */ 641 __u32 reserved[2]; 642 }; 643 644 /** 645 * struct v4l2_plane - plane info for multi-planar buffers 646 * @bytesused: number of bytes occupied by data in the plane (payload) 647 * @length: size of this plane (NOT the payload) in bytes 648 * @mem_offset: when memory in the associated struct v4l2_buffer is 649 * V4L2_MEMORY_MMAP, equals the offset from the start of 650 * the device memory for this plane (or is a "cookie" that 651 * should be passed to mmap() called on the video node) 652 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 653 * pointing to this plane 654 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 655 * descriptor associated with this plane 656 * @data_offset: offset in the plane to the start of data; usually 0, 657 * unless there is a header in front of the data 658 * 659 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 660 * with two planes can have one plane for Y, and another for interleaved CbCr 661 * components. Each plane can reside in a separate memory buffer, or even in 662 * a completely separate memory node (e.g. in embedded devices). 663 */ 664 struct v4l2_plane { 665 __u32 bytesused; 666 __u32 length; 667 union { 668 __u32 mem_offset; 669 unsigned long userptr; 670 __s32 fd; 671 } m; 672 __u32 data_offset; 673 __u32 reserved[11]; 674 }; 675 676 /** 677 * struct v4l2_buffer - video buffer info 678 * @index: id number of the buffer 679 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 680 * multiplanar buffers); 681 * @bytesused: number of bytes occupied by data in the buffer (payload); 682 * unused (set to 0) for multiplanar buffers 683 * @flags: buffer informational flags 684 * @field: enum v4l2_field; field order of the image in the buffer 685 * @timestamp: frame timestamp 686 * @timecode: frame timecode 687 * @sequence: sequence count of this frame 688 * @memory: enum v4l2_memory; the method, in which the actual video data is 689 * passed 690 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 691 * offset from the start of the device memory for this plane, 692 * (or a "cookie" that should be passed to mmap() as offset) 693 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 694 * a userspace pointer pointing to this buffer 695 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 696 * a userspace file descriptor associated with this buffer 697 * @planes: for multiplanar buffers; userspace pointer to the array of plane 698 * info structs for this buffer 699 * @length: size in bytes of the buffer (NOT its payload) for single-plane 700 * buffers (when type != *_MPLANE); number of elements in the 701 * planes array for multi-plane buffers 702 * 703 * Contains data exchanged by application and driver using one of the Streaming 704 * I/O methods. 705 */ 706 struct v4l2_buffer { 707 __u32 index; 708 __u32 type; 709 __u32 bytesused; 710 __u32 flags; 711 __u32 field; 712 struct timeval timestamp; 713 struct v4l2_timecode timecode; 714 __u32 sequence; 715 716 /* memory location */ 717 __u32 memory; 718 union { 719 __u32 offset; 720 unsigned long userptr; 721 struct v4l2_plane *planes; 722 __s32 fd; 723 } m; 724 __u32 length; 725 __u32 reserved2; 726 __u32 reserved; 727 }; 728 729 /* Flags for 'flags' field */ 730 /* Buffer is mapped (flag) */ 731 #define V4L2_BUF_FLAG_MAPPED 0x00000001 732 /* Buffer is queued for processing */ 733 #define V4L2_BUF_FLAG_QUEUED 0x00000002 734 /* Buffer is ready */ 735 #define V4L2_BUF_FLAG_DONE 0x00000004 736 /* Image is a keyframe (I-frame) */ 737 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008 738 /* Image is a P-frame */ 739 #define V4L2_BUF_FLAG_PFRAME 0x00000010 740 /* Image is a B-frame */ 741 #define V4L2_BUF_FLAG_BFRAME 0x00000020 742 /* Buffer is ready, but the data contained within is corrupted. */ 743 #define V4L2_BUF_FLAG_ERROR 0x00000040 744 /* timecode field is valid */ 745 #define V4L2_BUF_FLAG_TIMECODE 0x00000100 746 /* Buffer is prepared for queuing */ 747 #define V4L2_BUF_FLAG_PREPARED 0x00000400 748 /* Cache handling flags */ 749 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 750 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 751 /* Timestamp type */ 752 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 753 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 754 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 755 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 756 /* Timestamp sources. */ 757 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 758 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 759 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 760 /* Vendor extensions */ 761 #define V4L2_QCOM_BUF_FLAG_CODECCONFIG 0x00020000 762 #define V4L2_QCOM_BUF_FLAG_EOSEQ 0x00040000 763 #define V4L2_QCOM_BUF_TIMESTAMP_INVALID 0x00080000 764 #define V4L2_QCOM_BUF_FLAG_IDRFRAME 0x00100000 765 #define V4L2_QCOM_BUF_FLAG_DECODEONLY 0x00200000 766 #define V4L2_QCOM_BUF_DATA_CORRUPT 0x00400000 767 #define V4L2_QCOM_BUF_DROP_FRAME 0x00800000 768 #define V4L2_QCOM_BUF_INPUT_UNSUPPORTED 0x01000000 769 #define V4L2_QCOM_BUF_FLAG_EOS 0x02000000 770 #define V4L2_QCOM_BUF_FLAG_READONLY 0x04000000 771 #define V4L2_MSM_VIDC_BUF_START_CODE_NOT_FOUND 0x08000000 772 #define V4L2_MSM_BUF_FLAG_YUV_601_709_CLAMP 0x10000000 773 #define V4L2_MSM_BUF_FLAG_MBAFF 0x20000000 774 #define V4L2_MSM_BUF_FLAG_DEFER 0x40000000 775 776 /** 777 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 778 * 779 * @index: id number of the buffer 780 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 781 * multiplanar buffers); 782 * @plane: index of the plane to be exported, 0 for single plane queues 783 * @flags: flags for newly created file, currently only O_CLOEXEC is 784 * supported, refer to manual of open syscall for more details 785 * @fd: file descriptor associated with DMABUF (set by driver) 786 * 787 * Contains data used for exporting a video buffer as DMABUF file descriptor. 788 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 789 * (identical to the cookie used to mmap() the buffer to userspace). All 790 * reserved fields must be set to zero. The field reserved0 is expected to 791 * become a structure 'type' allowing an alternative layout of the structure 792 * content. Therefore this field should not be used for any other extensions. 793 */ 794 struct v4l2_exportbuffer { 795 __u32 type; /* enum v4l2_buf_type */ 796 __u32 index; 797 __u32 plane; 798 __u32 flags; 799 __s32 fd; 800 __u32 reserved[11]; 801 }; 802 803 /* 804 * O V E R L A Y P R E V I E W 805 */ 806 struct v4l2_framebuffer { 807 __u32 capability; 808 __u32 flags; 809 /* FIXME: in theory we should pass something like PCI device + memory 810 * region + offset instead of some physical address */ 811 void *base; 812 struct { 813 __u32 width; 814 __u32 height; 815 __u32 pixelformat; 816 __u32 field; /* enum v4l2_field */ 817 __u32 bytesperline; /* for padding, zero if unused */ 818 __u32 sizeimage; 819 __u32 colorspace; /* enum v4l2_colorspace */ 820 __u32 priv; /* reserved field, set to 0 */ 821 } fmt; 822 }; 823 /* Flags for the 'capability' field. Read only */ 824 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 825 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 826 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 827 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 828 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 829 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 830 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 831 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 832 /* Flags for the 'flags' field. */ 833 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 834 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 835 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 836 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 837 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 838 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 839 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 840 841 struct v4l2_clip { 842 struct v4l2_rect c; 843 struct v4l2_clip __user *next; 844 }; 845 846 struct v4l2_window { 847 struct v4l2_rect w; 848 __u32 field; /* enum v4l2_field */ 849 __u32 chromakey; 850 struct v4l2_clip __user *clips; 851 __u32 clipcount; 852 void __user *bitmap; 853 __u8 global_alpha; 854 }; 855 856 /* 857 * C A P T U R E P A R A M E T E R S 858 */ 859 struct v4l2_captureparm { 860 __u32 capability; /* Supported modes */ 861 __u32 capturemode; /* Current mode */ 862 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 863 __u32 extendedmode; /* Driver-specific extensions */ 864 __u32 readbuffers; /* # of buffers for read */ 865 __u32 reserved[4]; 866 }; 867 868 /* Flags for 'capability' and 'capturemode' fields */ 869 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 870 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 871 #define V4L2_CAP_QCOM_FRAMESKIP 0x2000 /* frame skipping is supported */ 872 873 struct v4l2_qcom_frameskip { 874 __u64 maxframeinterval; 875 __u8 fpsvariance; 876 }; 877 878 struct v4l2_outputparm { 879 __u32 capability; /* Supported modes */ 880 __u32 outputmode; /* Current mode */ 881 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 882 __u32 extendedmode; /* Driver-specific extensions */ 883 __u32 writebuffers; /* # of buffers for write */ 884 __u32 reserved[4]; 885 }; 886 887 /* 888 * I N P U T I M A G E C R O P P I N G 889 */ 890 struct v4l2_cropcap { 891 __u32 type; /* enum v4l2_buf_type */ 892 struct v4l2_rect bounds; 893 struct v4l2_rect defrect; 894 struct v4l2_fract pixelaspect; 895 }; 896 897 struct v4l2_crop { 898 __u32 type; /* enum v4l2_buf_type */ 899 struct v4l2_rect c; 900 }; 901 902 /** 903 * struct v4l2_selection - selection info 904 * @type: buffer type (do not use *_MPLANE types) 905 * @target: Selection target, used to choose one of possible rectangles; 906 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 907 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 908 * @r: coordinates of selection window 909 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 910 * 911 * Hardware may use multiple helper windows to process a video stream. 912 * The structure is used to exchange this selection areas between 913 * an application and a driver. 914 */ 915 struct v4l2_selection { 916 __u32 type; 917 __u32 target; 918 __u32 flags; 919 struct v4l2_rect r; 920 __u32 reserved[9]; 921 }; 922 923 924 /* 925 * A N A L O G V I D E O S T A N D A R D 926 */ 927 928 typedef __u64 v4l2_std_id; 929 930 /* one bit for each */ 931 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 932 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 933 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 934 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 935 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 936 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 937 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 938 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 939 940 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 941 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 942 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 943 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 944 945 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 946 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 947 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 948 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 949 950 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 951 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 952 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 953 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 954 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 955 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 956 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 957 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 958 959 /* ATSC/HDTV */ 960 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 961 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 962 963 /* FIXME: 964 Although std_id is 64 bits, there is an issue on PPC32 architecture that 965 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 966 this value to 32 bits. 967 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 968 it should work fine. However, if needed to add more than two standards, 969 v4l2-common.c should be fixed. 970 */ 971 972 /* 973 * Some macros to merge video standards in order to make live easier for the 974 * drivers and V4L2 applications 975 */ 976 977 /* 978 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 979 * Missing here. 980 */ 981 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 982 V4L2_STD_NTSC_M_JP |\ 983 V4L2_STD_NTSC_M_KR) 984 /* Secam macros */ 985 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 986 V4L2_STD_SECAM_K |\ 987 V4L2_STD_SECAM_K1) 988 /* All Secam Standards */ 989 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 990 V4L2_STD_SECAM_G |\ 991 V4L2_STD_SECAM_H |\ 992 V4L2_STD_SECAM_DK |\ 993 V4L2_STD_SECAM_L |\ 994 V4L2_STD_SECAM_LC) 995 /* PAL macros */ 996 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 997 V4L2_STD_PAL_B1 |\ 998 V4L2_STD_PAL_G) 999 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1000 V4L2_STD_PAL_D1 |\ 1001 V4L2_STD_PAL_K) 1002 /* 1003 * "Common" PAL - This macro is there to be compatible with the old 1004 * V4L1 concept of "PAL": /BGDKHI. 1005 * Several PAL standards are missing here: /M, /N and /Nc 1006 */ 1007 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1008 V4L2_STD_PAL_DK |\ 1009 V4L2_STD_PAL_H |\ 1010 V4L2_STD_PAL_I) 1011 /* Chroma "agnostic" standards */ 1012 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 1013 V4L2_STD_PAL_B1 |\ 1014 V4L2_STD_SECAM_B) 1015 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 1016 V4L2_STD_SECAM_G) 1017 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 1018 V4L2_STD_SECAM_H) 1019 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1020 V4L2_STD_SECAM_LC) 1021 #define V4L2_STD_GH (V4L2_STD_G |\ 1022 V4L2_STD_H) 1023 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1024 V4L2_STD_SECAM_DK) 1025 #define V4L2_STD_BG (V4L2_STD_B |\ 1026 V4L2_STD_G) 1027 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1028 V4L2_STD_PAL_N |\ 1029 V4L2_STD_PAL_Nc |\ 1030 V4L2_STD_NTSC) 1031 1032 /* Standards where MTS/BTSC stereo could be found */ 1033 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1034 V4L2_STD_PAL_M |\ 1035 V4L2_STD_PAL_N |\ 1036 V4L2_STD_PAL_Nc) 1037 1038 /* Standards for Countries with 60Hz Line frequency */ 1039 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1040 V4L2_STD_PAL_60 |\ 1041 V4L2_STD_NTSC |\ 1042 V4L2_STD_NTSC_443) 1043 /* Standards for Countries with 50Hz Line frequency */ 1044 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1045 V4L2_STD_PAL_N |\ 1046 V4L2_STD_PAL_Nc |\ 1047 V4L2_STD_SECAM) 1048 1049 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1050 V4L2_STD_ATSC_16_VSB) 1051 /* Macros with none and all analog standards */ 1052 #define V4L2_STD_UNKNOWN 0 1053 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1054 V4L2_STD_625_50) 1055 1056 struct v4l2_standard { 1057 __u32 index; 1058 v4l2_std_id id; 1059 __u8 name[24]; 1060 struct v4l2_fract frameperiod; /* Frames, not fields */ 1061 __u32 framelines; 1062 __u32 reserved[4]; 1063 }; 1064 1065 /* 1066 * D V B T T I M I N G S 1067 */ 1068 1069 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1070 * @width: total width of the active video in pixels 1071 * @height: total height of the active video in lines 1072 * @interlaced: Interlaced or progressive 1073 * @polarities: Positive or negative polarities 1074 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1075 * @hfrontporch:Horizontal front porch in pixels 1076 * @hsync: Horizontal Sync length in pixels 1077 * @hbackporch: Horizontal back porch in pixels 1078 * @vfrontporch:Vertical front porch in lines 1079 * @vsync: Vertical Sync length in lines 1080 * @vbackporch: Vertical back porch in lines 1081 * @il_vfrontporch:Vertical front porch for the even field 1082 * (aka field 2) of interlaced field formats 1083 * @il_vsync: Vertical Sync length for the even field 1084 * (aka field 2) of interlaced field formats 1085 * @il_vbackporch:Vertical back porch for the even field 1086 * (aka field 2) of interlaced field formats 1087 * @standards: Standards the timing belongs to 1088 * @flags: Flags 1089 * @reserved: Reserved fields, must be zeroed. 1090 * 1091 * A note regarding vertical interlaced timings: height refers to the total 1092 * height of the active video frame (= two fields). The blanking timings refer 1093 * to the blanking of each field. So the height of the total frame is 1094 * calculated as follows: 1095 * 1096 * tot_height = height + vfrontporch + vsync + vbackporch + 1097 * il_vfrontporch + il_vsync + il_vbackporch 1098 * 1099 * The active height of each field is height / 2. 1100 */ 1101 struct v4l2_bt_timings { 1102 __u32 width; 1103 __u32 height; 1104 __u32 interlaced; 1105 __u32 polarities; 1106 __u64 pixelclock; 1107 __u32 hfrontporch; 1108 __u32 hsync; 1109 __u32 hbackporch; 1110 __u32 vfrontporch; 1111 __u32 vsync; 1112 __u32 vbackporch; 1113 __u32 il_vfrontporch; 1114 __u32 il_vsync; 1115 __u32 il_vbackporch; 1116 __u32 standards; 1117 __u32 flags; 1118 __u32 reserved[14]; 1119 } __attribute__ ((packed)); 1120 1121 /* Interlaced or progressive format */ 1122 #define V4L2_DV_PROGRESSIVE 0 1123 #define V4L2_DV_INTERLACED 1 1124 1125 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1126 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1127 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1128 1129 /* Timings standards */ 1130 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1131 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1132 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1133 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1134 1135 /* Flags */ 1136 1137 /* CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1138 GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1139 intervals are reduced, allowing a higher resolution over the same 1140 bandwidth. This is a read-only flag. */ 1141 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1142 /* CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1143 of six. These formats can be optionally played at 1 / 1.001 speed. 1144 This is a read-only flag. */ 1145 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1146 /* CEA-861 specific: only valid for video transmitters, the flag is cleared 1147 by receivers. 1148 If the framerate of the format is a multiple of six, then the pixelclock 1149 used to set up the transmitter is divided by 1.001 to make it compatible 1150 with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1151 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1152 such frequencies, then the flag will also be cleared. */ 1153 #define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1154 /* Specific to interlaced formats: if set, then field 1 is really one half-line 1155 longer and field 2 is really one half-line shorter, so each field has 1156 exactly the same number of half-lines. Whether half-lines can be detected 1157 or used depends on the hardware. */ 1158 #define V4L2_DV_FL_HALF_LINE (1 << 3) 1159 1160 /* A few useful defines to calculate the total blanking and frame sizes */ 1161 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1162 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1163 #define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1164 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1165 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1166 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1167 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) 1168 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1169 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1170 1171 /** struct v4l2_dv_timings - DV timings 1172 * @type: the type of the timings 1173 * @bt: BT656/1120 timings 1174 */ 1175 struct v4l2_dv_timings { 1176 __u32 type; 1177 union { 1178 struct v4l2_bt_timings bt; 1179 __u32 reserved[32]; 1180 }; 1181 } __attribute__ ((packed)); 1182 1183 /* Values for the type field */ 1184 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1185 1186 1187 /** struct v4l2_enum_dv_timings - DV timings enumeration 1188 * @index: enumeration index 1189 * @pad: the pad number for which to enumerate timings (used with 1190 * v4l-subdev nodes only) 1191 * @reserved: must be zeroed 1192 * @timings: the timings for the given index 1193 */ 1194 struct v4l2_enum_dv_timings { 1195 __u32 index; 1196 __u32 pad; 1197 __u32 reserved[2]; 1198 struct v4l2_dv_timings timings; 1199 }; 1200 1201 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1202 * @min_width: width in pixels 1203 * @max_width: width in pixels 1204 * @min_height: height in lines 1205 * @max_height: height in lines 1206 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1207 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1208 * @standards: Supported standards 1209 * @capabilities: Supported capabilities 1210 * @reserved: Must be zeroed 1211 */ 1212 struct v4l2_bt_timings_cap { 1213 __u32 min_width; 1214 __u32 max_width; 1215 __u32 min_height; 1216 __u32 max_height; 1217 __u64 min_pixelclock; 1218 __u64 max_pixelclock; 1219 __u32 standards; 1220 __u32 capabilities; 1221 __u32 reserved[16]; 1222 } __attribute__ ((packed)); 1223 1224 /* Supports interlaced formats */ 1225 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1226 /* Supports progressive formats */ 1227 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1228 /* Supports CVT/GTF reduced blanking */ 1229 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1230 /* Supports custom formats */ 1231 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1232 1233 /** struct v4l2_dv_timings_cap - DV timings capabilities 1234 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1235 * @pad: the pad number for which to query capabilities (used with 1236 * v4l-subdev nodes only) 1237 * @bt: the BT656/1120 timings capabilities 1238 */ 1239 struct v4l2_dv_timings_cap { 1240 __u32 type; 1241 __u32 pad; 1242 __u32 reserved[2]; 1243 union { 1244 struct v4l2_bt_timings_cap bt; 1245 __u32 raw_data[32]; 1246 }; 1247 }; 1248 1249 1250 /* 1251 * V I D E O I N P U T S 1252 */ 1253 struct v4l2_input { 1254 __u32 index; /* Which input */ 1255 __u8 name[32]; /* Label */ 1256 __u32 type; /* Type of input */ 1257 __u32 audioset; /* Associated audios (bitfield) */ 1258 __u32 tuner; /* enum v4l2_tuner_type */ 1259 v4l2_std_id std; 1260 __u32 status; 1261 __u32 capabilities; 1262 __u32 reserved[3]; 1263 }; 1264 1265 /* Values for the 'type' field */ 1266 #define V4L2_INPUT_TYPE_TUNER 1 1267 #define V4L2_INPUT_TYPE_CAMERA 2 1268 1269 /* field 'status' - general */ 1270 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1271 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1272 #define V4L2_IN_ST_NO_COLOR 0x00000004 1273 1274 /* field 'status' - sensor orientation */ 1275 /* If sensor is mounted upside down set both bits */ 1276 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1277 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1278 1279 /* field 'status' - analog */ 1280 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1281 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1282 1283 /* field 'status' - digital */ 1284 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1285 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1286 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1287 1288 /* field 'status' - VCR and set-top box */ 1289 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1290 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1291 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1292 1293 /* capabilities flags */ 1294 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1295 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1296 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1297 1298 /* 1299 * V I D E O O U T P U T S 1300 */ 1301 struct v4l2_output { 1302 __u32 index; /* Which output */ 1303 __u8 name[32]; /* Label */ 1304 __u32 type; /* Type of output */ 1305 __u32 audioset; /* Associated audios (bitfield) */ 1306 __u32 modulator; /* Associated modulator */ 1307 v4l2_std_id std; 1308 __u32 capabilities; 1309 __u32 reserved[3]; 1310 }; 1311 /* Values for the 'type' field */ 1312 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1313 #define V4L2_OUTPUT_TYPE_ANALOG 2 1314 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1315 1316 /* capabilities flags */ 1317 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1318 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1319 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1320 1321 /* 1322 * C O N T R O L S 1323 */ 1324 struct v4l2_control { 1325 __u32 id; 1326 __s32 value; 1327 }; 1328 1329 struct v4l2_ext_control { 1330 __u32 id; 1331 __u32 size; 1332 __u32 reserved2[1]; 1333 union { 1334 __s32 value; 1335 __s64 value64; 1336 char __user *string; 1337 __u8 __user *p_u8; 1338 __u16 __user *p_u16; 1339 __u32 __user *p_u32; 1340 void __user *ptr; 1341 }; 1342 } __attribute__ ((packed)); 1343 1344 struct v4l2_ext_controls { 1345 __u32 ctrl_class; 1346 __u32 count; 1347 __u32 error_idx; 1348 __u32 reserved[2]; 1349 struct v4l2_ext_control *controls; 1350 }; 1351 1352 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1353 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1354 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1355 #define V4L2_CTRL_MAX_DIMS (4) 1356 1357 enum v4l2_ctrl_type { 1358 V4L2_CTRL_TYPE_INTEGER = 1, 1359 V4L2_CTRL_TYPE_BOOLEAN = 2, 1360 V4L2_CTRL_TYPE_MENU = 3, 1361 V4L2_CTRL_TYPE_BUTTON = 4, 1362 V4L2_CTRL_TYPE_INTEGER64 = 5, 1363 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1364 V4L2_CTRL_TYPE_STRING = 7, 1365 V4L2_CTRL_TYPE_BITMASK = 8, 1366 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1367 1368 /* Compound types are >= 0x0100 */ 1369 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1370 V4L2_CTRL_TYPE_U8 = 0x0100, 1371 V4L2_CTRL_TYPE_U16 = 0x0101, 1372 V4L2_CTRL_TYPE_U32 = 0x0102, 1373 }; 1374 1375 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1376 struct v4l2_queryctrl { 1377 __u32 id; 1378 __u32 type; /* enum v4l2_ctrl_type */ 1379 __u8 name[32]; /* Whatever */ 1380 __s32 minimum; /* Note signedness */ 1381 __s32 maximum; 1382 __s32 step; 1383 __s32 default_value; 1384 __u32 flags; 1385 __u32 reserved[2]; 1386 }; 1387 1388 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1389 struct v4l2_query_ext_ctrl { 1390 __u32 id; 1391 __u32 type; 1392 char name[32]; 1393 __s64 minimum; 1394 __s64 maximum; 1395 __u64 step; 1396 __s64 default_value; 1397 __u32 flags; 1398 __u32 elem_size; 1399 __u32 elems; 1400 __u32 nr_of_dims; 1401 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1402 __u32 reserved[32]; 1403 }; 1404 1405 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1406 struct v4l2_querymenu { 1407 __u32 id; 1408 __u32 index; 1409 union { 1410 __u8 name[32]; /* Whatever */ 1411 __s64 value; 1412 }; 1413 __u32 reserved; 1414 } __attribute__ ((packed)); 1415 1416 /* Control flags */ 1417 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1418 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1419 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1420 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1421 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1422 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1423 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1424 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1425 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1426 1427 /* Query flags, to be ORed with the control ID */ 1428 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1429 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1430 1431 /* User-class control IDs defined by V4L2 */ 1432 #define V4L2_CID_MAX_CTRLS 1024 1433 /* IDs reserved for driver specific controls */ 1434 #define V4L2_CID_PRIVATE_BASE 0x08000000 1435 1436 1437 /* 1438 * T U N I N G 1439 */ 1440 struct v4l2_tuner { 1441 __u32 index; 1442 __u8 name[32]; 1443 __u32 type; /* enum v4l2_tuner_type */ 1444 __u32 capability; 1445 __u32 rangelow; 1446 __u32 rangehigh; 1447 __u32 rxsubchans; 1448 __u32 audmode; 1449 __s32 signal; 1450 __s32 afc; 1451 __u32 reserved[4]; 1452 }; 1453 1454 struct v4l2_modulator { 1455 __u32 index; 1456 __u8 name[32]; 1457 __u32 capability; 1458 __u32 rangelow; 1459 __u32 rangehigh; 1460 __u32 txsubchans; 1461 __u32 reserved[4]; 1462 }; 1463 1464 /* Flags for the 'capability' field */ 1465 #define V4L2_TUNER_CAP_LOW 0x0001 1466 #define V4L2_TUNER_CAP_NORM 0x0002 1467 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1468 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1469 #define V4L2_TUNER_CAP_STEREO 0x0010 1470 #define V4L2_TUNER_CAP_LANG2 0x0020 1471 #define V4L2_TUNER_CAP_SAP 0x0020 1472 #define V4L2_TUNER_CAP_LANG1 0x0040 1473 #define V4L2_TUNER_CAP_RDS 0x0080 1474 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1475 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1476 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1477 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1478 #define V4L2_TUNER_CAP_1HZ 0x1000 1479 1480 /* Flags for the 'rxsubchans' field */ 1481 #define V4L2_TUNER_SUB_MONO 0x0001 1482 #define V4L2_TUNER_SUB_STEREO 0x0002 1483 #define V4L2_TUNER_SUB_LANG2 0x0004 1484 #define V4L2_TUNER_SUB_SAP 0x0004 1485 #define V4L2_TUNER_SUB_LANG1 0x0008 1486 #define V4L2_TUNER_SUB_RDS 0x0010 1487 1488 /* Values for the 'audmode' field */ 1489 #define V4L2_TUNER_MODE_MONO 0x0000 1490 #define V4L2_TUNER_MODE_STEREO 0x0001 1491 #define V4L2_TUNER_MODE_LANG2 0x0002 1492 #define V4L2_TUNER_MODE_SAP 0x0002 1493 #define V4L2_TUNER_MODE_LANG1 0x0003 1494 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1495 1496 struct v4l2_frequency { 1497 __u32 tuner; 1498 __u32 type; /* enum v4l2_tuner_type */ 1499 __u32 frequency; 1500 __u32 reserved[8]; 1501 }; 1502 1503 #define V4L2_BAND_MODULATION_VSB (1 << 1) 1504 #define V4L2_BAND_MODULATION_FM (1 << 2) 1505 #define V4L2_BAND_MODULATION_AM (1 << 3) 1506 1507 struct v4l2_frequency_band { 1508 __u32 tuner; 1509 __u32 type; /* enum v4l2_tuner_type */ 1510 __u32 index; 1511 __u32 capability; 1512 __u32 rangelow; 1513 __u32 rangehigh; 1514 __u32 modulation; 1515 __u32 reserved[9]; 1516 }; 1517 1518 struct v4l2_hw_freq_seek { 1519 __u32 tuner; 1520 __u32 type; /* enum v4l2_tuner_type */ 1521 __u32 seek_upward; 1522 __u32 wrap_around; 1523 __u32 spacing; 1524 __u32 rangelow; 1525 __u32 rangehigh; 1526 __u32 reserved[5]; 1527 }; 1528 1529 /* 1530 * R D S 1531 */ 1532 1533 struct v4l2_rds_data { 1534 __u8 lsb; 1535 __u8 msb; 1536 __u8 block; 1537 } __attribute__ ((packed)); 1538 1539 #define V4L2_RDS_BLOCK_MSK 0x7 1540 #define V4L2_RDS_BLOCK_A 0 1541 #define V4L2_RDS_BLOCK_B 1 1542 #define V4L2_RDS_BLOCK_C 2 1543 #define V4L2_RDS_BLOCK_D 3 1544 #define V4L2_RDS_BLOCK_C_ALT 4 1545 #define V4L2_RDS_BLOCK_INVALID 7 1546 1547 #define V4L2_RDS_BLOCK_CORRECTED 0x40 1548 #define V4L2_RDS_BLOCK_ERROR 0x80 1549 1550 /* 1551 * A U D I O 1552 */ 1553 struct v4l2_audio { 1554 __u32 index; 1555 __u8 name[32]; 1556 __u32 capability; 1557 __u32 mode; 1558 __u32 reserved[2]; 1559 }; 1560 1561 /* Flags for the 'capability' field */ 1562 #define V4L2_AUDCAP_STEREO 0x00001 1563 #define V4L2_AUDCAP_AVL 0x00002 1564 1565 /* Flags for the 'mode' field */ 1566 #define V4L2_AUDMODE_AVL 0x00001 1567 1568 struct v4l2_audioout { 1569 __u32 index; 1570 __u8 name[32]; 1571 __u32 capability; 1572 __u32 mode; 1573 __u32 reserved[2]; 1574 }; 1575 1576 /* 1577 * M P E G S E R V I C E S 1578 * 1579 * NOTE: EXPERIMENTAL API 1580 */ 1581 #if 1 1582 #define V4L2_ENC_IDX_FRAME_I (0) 1583 #define V4L2_ENC_IDX_FRAME_P (1) 1584 #define V4L2_ENC_IDX_FRAME_B (2) 1585 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 1586 1587 struct v4l2_enc_idx_entry { 1588 __u64 offset; 1589 __u64 pts; 1590 __u32 length; 1591 __u32 flags; 1592 __u32 reserved[2]; 1593 }; 1594 1595 #define V4L2_ENC_IDX_ENTRIES (64) 1596 struct v4l2_enc_idx { 1597 __u32 entries; 1598 __u32 entries_cap; 1599 __u32 reserved[4]; 1600 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 1601 }; 1602 1603 1604 #define V4L2_ENC_CMD_START (0) 1605 #define V4L2_ENC_CMD_STOP (1) 1606 #define V4L2_ENC_CMD_PAUSE (2) 1607 #define V4L2_ENC_CMD_RESUME (3) 1608 #define V4L2_ENC_QCOM_CMD_FLUSH (4) 1609 1610 /* Flags for V4L2_ENC_CMD_STOP */ 1611 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 1612 1613 struct v4l2_encoder_cmd { 1614 __u32 cmd; 1615 __u32 flags; 1616 union { 1617 struct { 1618 __u32 data[8]; 1619 } raw; 1620 }; 1621 }; 1622 1623 /* Decoder commands */ 1624 #define V4L2_DEC_CMD_START (0) 1625 #define V4L2_DEC_CMD_STOP (1) 1626 #define V4L2_DEC_CMD_PAUSE (2) 1627 #define V4L2_DEC_CMD_RESUME (3) 1628 #define V4L2_DEC_QCOM_CMD_FLUSH (4) 1629 #define V4L2_DEC_QCOM_CMD_RECONFIG_HINT (5) 1630 1631 /* Flags for V4L2_DEC_CMD_START */ 1632 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 1633 1634 /* Flags for V4L2_DEC_CMD_PAUSE */ 1635 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 1636 1637 /* Flags for V4L2_DEC_CMD_STOP */ 1638 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 1639 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 1640 1641 /* Flags for V4L2_DEC_QCOM_CMD_FLUSH */ 1642 #define V4L2_DEC_QCOM_CMD_FLUSH_OUTPUT (1 << 0) 1643 #define V4L2_DEC_QCOM_CMD_FLUSH_CAPTURE (1 << 1) 1644 1645 #define V4L2_QCOM_CMD_FLUSH_OUTPUT (1 << 0) 1646 #define V4L2_QCOM_CMD_FLUSH_CAPTURE (1 << 1) 1647 1648 /* Play format requirements (returned by the driver): */ 1649 1650 /* The decoder has no special format requirements */ 1651 #define V4L2_DEC_START_FMT_NONE (0) 1652 /* The decoder requires full GOPs */ 1653 #define V4L2_DEC_START_FMT_GOP (1) 1654 1655 /* The structure must be zeroed before use by the application 1656 This ensures it can be extended safely in the future. */ 1657 struct v4l2_decoder_cmd { 1658 __u32 cmd; 1659 __u32 flags; 1660 union { 1661 struct { 1662 __u64 pts; 1663 } stop; 1664 1665 struct { 1666 /* 0 or 1000 specifies normal speed, 1667 1 specifies forward single stepping, 1668 -1 specifies backward single stepping, 1669 >1: playback at speed/1000 of the normal speed, 1670 <-1: reverse playback at (-speed/1000) of the normal speed. */ 1671 __s32 speed; 1672 __u32 format; 1673 } start; 1674 1675 struct { 1676 __u32 data[16]; 1677 } raw; 1678 }; 1679 }; 1680 #endif 1681 1682 1683 /* 1684 * D A T A S E R V I C E S ( V B I ) 1685 * 1686 * Data services API by Michael Schimek 1687 */ 1688 1689 /* Raw VBI */ 1690 struct v4l2_vbi_format { 1691 __u32 sampling_rate; /* in 1 Hz */ 1692 __u32 offset; 1693 __u32 samples_per_line; 1694 __u32 sample_format; /* V4L2_PIX_FMT_* */ 1695 __s32 start[2]; 1696 __u32 count[2]; 1697 __u32 flags; /* V4L2_VBI_* */ 1698 __u32 reserved[2]; /* must be zero */ 1699 }; 1700 1701 /* VBI flags */ 1702 #define V4L2_VBI_UNSYNC (1 << 0) 1703 #define V4L2_VBI_INTERLACED (1 << 1) 1704 1705 /* ITU-R start lines for each field */ 1706 #define V4L2_VBI_ITU_525_F1_START (1) 1707 #define V4L2_VBI_ITU_525_F2_START (264) 1708 #define V4L2_VBI_ITU_625_F1_START (1) 1709 #define V4L2_VBI_ITU_625_F2_START (314) 1710 1711 /* Sliced VBI 1712 * 1713 * This implements is a proposal V4L2 API to allow SLICED VBI 1714 * required for some hardware encoders. It should change without 1715 * notice in the definitive implementation. 1716 */ 1717 1718 struct v4l2_sliced_vbi_format { 1719 __u16 service_set; 1720 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1721 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1722 (equals frame lines 313-336 for 625 line video 1723 standards, 263-286 for 525 line standards) */ 1724 __u16 service_lines[2][24]; 1725 __u32 io_size; 1726 __u32 reserved[2]; /* must be zero */ 1727 }; 1728 1729 /* Teletext World System Teletext 1730 (WST), defined on ITU-R BT.653-2 */ 1731 #define V4L2_SLICED_TELETEXT_B (0x0001) 1732 /* Video Program System, defined on ETS 300 231*/ 1733 #define V4L2_SLICED_VPS (0x0400) 1734 /* Closed Caption, defined on EIA-608 */ 1735 #define V4L2_SLICED_CAPTION_525 (0x1000) 1736 /* Wide Screen System, defined on ITU-R BT1119.1 */ 1737 #define V4L2_SLICED_WSS_625 (0x4000) 1738 1739 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 1740 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 1741 1742 struct v4l2_sliced_vbi_cap { 1743 __u16 service_set; 1744 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1745 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1746 (equals frame lines 313-336 for 625 line video 1747 standards, 263-286 for 525 line standards) */ 1748 __u16 service_lines[2][24]; 1749 __u32 type; /* enum v4l2_buf_type */ 1750 __u32 reserved[3]; /* must be 0 */ 1751 }; 1752 1753 struct v4l2_sliced_vbi_data { 1754 __u32 id; 1755 __u32 field; /* 0: first field, 1: second field */ 1756 __u32 line; /* 1-23 */ 1757 __u32 reserved; /* must be 0 */ 1758 __u8 data[48]; 1759 }; 1760 1761 /* 1762 * Sliced VBI data inserted into MPEG Streams 1763 */ 1764 1765 /* 1766 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 1767 * 1768 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 1769 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 1770 * data 1771 * 1772 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 1773 * definitions are not included here. See the MPEG-2 specifications for details 1774 * on these headers. 1775 */ 1776 1777 /* Line type IDs */ 1778 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 1779 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 1780 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 1781 #define V4L2_MPEG_VBI_IVTV_VPS (7) 1782 1783 struct v4l2_mpeg_vbi_itv0_line { 1784 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 1785 __u8 data[42]; /* Sliced VBI data for the line */ 1786 } __attribute__ ((packed)); 1787 1788 struct v4l2_mpeg_vbi_itv0 { 1789 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 1790 struct v4l2_mpeg_vbi_itv0_line line[35]; 1791 } __attribute__ ((packed)); 1792 1793 struct v4l2_mpeg_vbi_ITV0 { 1794 struct v4l2_mpeg_vbi_itv0_line line[36]; 1795 } __attribute__ ((packed)); 1796 1797 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 1798 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 1799 1800 struct v4l2_mpeg_vbi_fmt_ivtv { 1801 __u8 magic[4]; 1802 union { 1803 struct v4l2_mpeg_vbi_itv0 itv0; 1804 struct v4l2_mpeg_vbi_ITV0 ITV0; 1805 }; 1806 } __attribute__ ((packed)); 1807 1808 /* 1809 * A G G R E G A T E S T R U C T U R E S 1810 */ 1811 1812 /** 1813 * struct v4l2_plane_pix_format - additional, per-plane format definition 1814 * @sizeimage: maximum size in bytes required for data, for which 1815 * this plane will be used 1816 * @bytesperline: distance in bytes between the leftmost pixels in two 1817 * adjacent lines 1818 */ 1819 struct v4l2_plane_pix_format { 1820 __u32 sizeimage; 1821 __u16 bytesperline; 1822 __u16 reserved[7]; 1823 } __attribute__ ((packed)); 1824 1825 /** 1826 * struct v4l2_pix_format_mplane - multiplanar format definition 1827 * @width: image width in pixels 1828 * @height: image height in pixels 1829 * @pixelformat: little endian four character code (fourcc) 1830 * @field: enum v4l2_field; field order (for interlaced video) 1831 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 1832 * @plane_fmt: per-plane information 1833 * @num_planes: number of planes for this format 1834 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 1835 */ 1836 struct v4l2_pix_format_mplane { 1837 __u32 width; 1838 __u32 height; 1839 __u32 pixelformat; 1840 __u32 field; 1841 __u32 colorspace; 1842 1843 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 1844 __u8 num_planes; 1845 __u8 flags; 1846 __u8 reserved[10]; 1847 } __attribute__ ((packed)); 1848 1849 /** 1850 * struct v4l2_sdr_format - SDR format definition 1851 * @pixelformat: little endian four character code (fourcc) 1852 * @buffersize: maximum size in bytes required for data 1853 */ 1854 struct v4l2_sdr_format { 1855 __u32 pixelformat; 1856 __u32 buffersize; 1857 __u8 reserved[24]; 1858 } __attribute__ ((packed)); 1859 1860 /** 1861 * struct v4l2_format - stream data format 1862 * @type: enum v4l2_buf_type; type of the data stream 1863 * @pix: definition of an image format 1864 * @pix_mp: definition of a multiplanar image format 1865 * @win: definition of an overlaid image 1866 * @vbi: raw VBI capture or output parameters 1867 * @sliced: sliced VBI capture or output parameters 1868 * @raw_data: placeholder for future extensions and custom formats 1869 */ 1870 struct v4l2_format { 1871 __u32 type; 1872 union { 1873 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 1874 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 1875 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 1876 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 1877 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 1878 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 1879 __u8 raw_data[200]; /* user-defined */ 1880 } fmt; 1881 }; 1882 1883 /* Stream type-dependent parameters 1884 */ 1885 struct v4l2_streamparm { 1886 __u32 type; /* enum v4l2_buf_type */ 1887 union { 1888 struct v4l2_captureparm capture; 1889 struct v4l2_outputparm output; 1890 __u8 raw_data[200]; /* user-defined */ 1891 } parm; 1892 }; 1893 1894 /* 1895 * E V E N T S 1896 */ 1897 1898 #define V4L2_EVENT_ALL 0 1899 #define V4L2_EVENT_VSYNC 1 1900 #define V4L2_EVENT_EOS 2 1901 #define V4L2_EVENT_CTRL 3 1902 #define V4L2_EVENT_FRAME_SYNC 4 1903 #define V4L2_EVENT_SOURCE_CHANGE 5 1904 #define V4L2_EVENT_MOTION_DET 6 1905 #define V4L2_EVENT_PRIVATE_START 0x08000000 1906 1907 #define V4L2_EVENT_BITDEPTH_FLAG 0x1 1908 #define V4L2_EVENT_PICSTRUCT_FLAG 0x2 1909 #define V4L2_EVENT_COLOUR_SPACE_FLAG 0x4 1910 1911 #define V4L2_EVENT_MSM_VIDC_START (V4L2_EVENT_PRIVATE_START + 0x00001000) 1912 #define V4L2_EVENT_MSM_VIDC_FLUSH_DONE (V4L2_EVENT_MSM_VIDC_START + 1) 1913 #define V4L2_EVENT_MSM_VIDC_PORT_SETTINGS_CHANGED_SUFFICIENT \ 1914 (V4L2_EVENT_MSM_VIDC_START + 2) 1915 #define V4L2_EVENT_MSM_VIDC_PORT_SETTINGS_CHANGED_INSUFFICIENT \ 1916 (V4L2_EVENT_MSM_VIDC_START + 3) 1917 /* 1918 * Bitdepth changed insufficient is deprecated now, however retaining 1919 * to prevent changing the values of the other macros after bitdepth 1920 */ 1921 #define V4L2_EVENT_MSM_VIDC_PORT_SETTINGS_BITDEPTH_CHANGED_INSUFFICIENT \ 1922 (V4L2_EVENT_MSM_VIDC_START + 4) 1923 #define V4L2_EVENT_MSM_VIDC_SYS_ERROR (V4L2_EVENT_MSM_VIDC_START + 5) 1924 #define V4L2_EVENT_MSM_VIDC_RELEASE_BUFFER_REFERENCE \ 1925 (V4L2_EVENT_MSM_VIDC_START + 6) 1926 #define V4L2_EVENT_MSM_VIDC_RELEASE_UNQUEUED_BUFFER \ 1927 (V4L2_EVENT_MSM_VIDC_START + 7) 1928 #define V4L2_EVENT_MSM_VIDC_HW_OVERLOAD (V4L2_EVENT_MSM_VIDC_START + 8) 1929 #define V4L2_EVENT_MSM_VIDC_MAX_CLIENTS (V4L2_EVENT_MSM_VIDC_START + 9) 1930 #define V4L2_EVENT_MSM_VIDC_HW_UNSUPPORTED (V4L2_EVENT_MSM_VIDC_START + 10) 1931 1932 #define V4L2_EVENT_MSM_BA_PRIVATE_EVENT_BASE \ 1933 (V4L2_EVENT_PRIVATE_START + 0x00005000) 1934 #define V4L2_EVENT_MSM_BA_START V4L2_EVENT_MSM_BA_PRIVATE_EVENT_BASE 1935 #define V4L2_EVENT_MSM_BA_DEVICE_AVAILABLE (V4L2_EVENT_MSM_BA_START + 1) 1936 #define V4L2_EVENT_MSM_BA_DEVICE_UNAVAILABLE \ 1937 (V4L2_EVENT_MSM_BA_START + 2) 1938 #define V4L2_EVENT_MSM_BA_PORT_SETTINGS_CHANGED \ 1939 (V4L2_EVENT_MSM_BA_START + 3) 1940 #define V4L2_EVENT_MSM_BA_SIGNAL_IN_LOCK \ 1941 (V4L2_EVENT_MSM_BA_START + 4) 1942 #define V4L2_EVENT_MSM_BA_SIGNAL_LOST_LOCK \ 1943 (V4L2_EVENT_MSM_BA_START + 5) 1944 #define V4L2_EVENT_MSM_BA_SOURCE_CHANGE \ 1945 (V4L2_EVENT_MSM_BA_START + 6) 1946 #define V4L2_EVENT_MSM_BA_HDMI_HPD \ 1947 (V4L2_EVENT_MSM_BA_START + 7) 1948 #define V4L2_EVENT_MSM_BA_HDMI_CEC_MESSAGE \ 1949 (V4L2_EVENT_MSM_BA_START + 8) 1950 #define V4L2_EVENT_MSM_BA_CP \ 1951 (V4L2_EVENT_MSM_BA_START + 9) 1952 #define V4L2_EVENT_MSM_BA_CABLE_DETECT \ 1953 (V4L2_EVENT_MSM_BA_START + 10) 1954 #define V4L2_EVENT_MSM_BA_ERROR \ 1955 (V4L2_EVENT_MSM_BA_START + 11) 1956 1957 /* Payload for V4L2_EVENT_VSYNC */ 1958 struct v4l2_event_vsync { 1959 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 1960 __u8 field; 1961 } __attribute__ ((packed)); 1962 1963 /* Payload for V4L2_EVENT_CTRL */ 1964 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 1965 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 1966 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 1967 1968 struct v4l2_event_ctrl { 1969 __u32 changes; 1970 __u32 type; 1971 union { 1972 __s32 value; 1973 __s64 value64; 1974 }; 1975 __u32 flags; 1976 __s32 minimum; 1977 __s32 maximum; 1978 __s32 step; 1979 __s32 default_value; 1980 }; 1981 1982 struct v4l2_event_frame_sync { 1983 __u32 frame_sequence; 1984 }; 1985 1986 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 1987 1988 struct v4l2_event_src_change { 1989 __u32 changes; 1990 }; 1991 1992 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 1993 1994 /** 1995 * struct v4l2_event_motion_det - motion detection event 1996 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 1997 * frame_sequence field is valid. 1998 * @frame_sequence: the frame sequence number associated with this event. 1999 * @region_mask: which regions detected motion. 2000 */ 2001 struct v4l2_event_motion_det { 2002 __u32 flags; 2003 __u32 frame_sequence; 2004 __u32 region_mask; 2005 }; 2006 2007 struct v4l2_event { 2008 __u32 type; 2009 union { 2010 struct v4l2_event_vsync vsync; 2011 struct v4l2_event_ctrl ctrl; 2012 struct v4l2_event_frame_sync frame_sync; 2013 struct v4l2_event_src_change src_change; 2014 struct v4l2_event_motion_det motion_det; 2015 __u8 data[64]; 2016 } u; 2017 __u32 pending; 2018 __u32 sequence; 2019 struct timespec timestamp; 2020 __u32 id; 2021 __u32 reserved[8]; 2022 }; 2023 2024 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2025 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2026 2027 struct v4l2_event_subscription { 2028 __u32 type; 2029 __u32 id; 2030 __u32 flags; 2031 __u32 reserved[5]; 2032 }; 2033 2034 /* 2035 * A D V A N C E D D E B U G G I N G 2036 * 2037 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2038 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2039 */ 2040 2041 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2042 2043 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2044 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2045 2046 /* The following four defines are no longer in use */ 2047 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2048 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2049 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2050 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2051 2052 struct v4l2_dbg_match { 2053 __u32 type; /* Match type */ 2054 union { /* Match this chip, meaning determined by type */ 2055 __u32 addr; 2056 char name[32]; 2057 }; 2058 } __attribute__ ((packed)); 2059 2060 struct v4l2_dbg_register { 2061 struct v4l2_dbg_match match; 2062 __u32 size; /* register size in bytes */ 2063 __u64 reg; 2064 __u64 val; 2065 } __attribute__ ((packed)); 2066 2067 #define V4L2_CHIP_FL_READABLE (1 << 0) 2068 #define V4L2_CHIP_FL_WRITABLE (1 << 1) 2069 2070 /* VIDIOC_DBG_G_CHIP_INFO */ 2071 struct v4l2_dbg_chip_info { 2072 struct v4l2_dbg_match match; 2073 char name[32]; 2074 __u32 flags; 2075 __u32 reserved[32]; 2076 } __attribute__ ((packed)); 2077 2078 /** 2079 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2080 * @index: on return, index of the first created buffer 2081 * @count: entry: number of requested buffers, 2082 * return: number of created buffers 2083 * @memory: enum v4l2_memory; buffer memory type 2084 * @format: frame format, for which buffers are requested 2085 * @reserved: future extensions 2086 */ 2087 struct v4l2_create_buffers { 2088 __u32 index; 2089 __u32 count; 2090 __u32 memory; 2091 struct v4l2_format format; 2092 __u32 reserved[8]; 2093 }; 2094 2095 /* 2096 * 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 2097 * 2098 */ 2099 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2100 #define VIDIOC_RESERVED _IO('V', 1) 2101 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2102 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2103 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2104 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2105 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2106 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2107 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2108 #define VIDIOC_OVERLAY _IOW('V', 14, int) 2109 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2110 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2111 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2112 #define VIDIOC_STREAMON _IOW('V', 18, int) 2113 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 2114 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2115 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2116 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2117 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2118 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2119 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2120 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2121 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2122 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2123 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2124 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2125 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2126 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2127 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2128 #define VIDIOC_G_INPUT _IOR('V', 38, int) 2129 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 2130 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2131 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2132 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2133 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2134 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2135 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2136 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2137 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2138 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2139 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2140 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2141 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2142 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2143 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2144 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2145 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2146 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2147 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2148 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2149 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2150 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2151 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2152 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2153 #define VIDIOC_LOG_STATUS _IO('V', 70) 2154 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2155 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2156 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2157 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2158 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2159 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2160 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2161 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2162 2163 /* Experimental, meant for debugging, testing and internal use. 2164 Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2165 You must be root to use these ioctls. Never use these in applications! */ 2166 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2167 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2168 2169 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2170 2171 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2172 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2173 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2174 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2175 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2176 2177 /* Experimental, the below two ioctls may change over the next couple of kernel 2178 versions */ 2179 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2180 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2181 2182 /* Experimental selection API */ 2183 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2184 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2185 2186 /* Experimental, these two ioctls may change over the next couple of kernel 2187 versions. */ 2188 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2189 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2190 2191 /* Experimental, these three ioctls may change over the next couple of kernel 2192 versions. */ 2193 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2194 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2195 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2196 2197 /* Experimental, this ioctl may change over the next couple of kernel 2198 versions. */ 2199 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2200 2201 /* Experimental, meant for debugging, testing and internal use. 2202 Never use these in applications! */ 2203 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2204 2205 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2206 2207 /* Reminder: when adding new ioctls please add support for them to 2208 drivers/media/video/v4l2-compat-ioctl32.c as well! */ 2209 2210 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2211 2212 /* HDMI rx provide ioctls */ 2213 #define VIDIOC_HDMI_RX_CEC_S_LOGICAL _IOW('V', BASE_VIDIOC_PRIVATE + 0, int) 2214 #define VIDIOC_HDMI_RX_CEC_CLEAR_LOGICAL _IO('V', BASE_VIDIOC_PRIVATE + 1) 2215 #define VIDIOC_HDMI_RX_CEC_G_PHYSICAL _IOR('V', BASE_VIDIOC_PRIVATE + 2, int) 2216 #define VIDIOC_HDMI_RX_CEC_G_CONNECTED _IOR('V', BASE_VIDIOC_PRIVATE + 3, int) 2217 #define VIDIOC_HDMI_RX_CEC_S_ENABLE _IOR('V', BASE_VIDIOC_PRIVATE + 4, int) 2218 2219 #endif /* _UAPI__LINUX_VIDEODEV2_H */ 2220
