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