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