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