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 (at) thedirks.org> 52 * Justin Schoeman 53 * Hans Verkuil <hverkuil (at) 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 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) 127 128 enum v4l2_buf_type { 129 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, 130 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, 131 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, 132 V4L2_BUF_TYPE_VBI_CAPTURE = 4, 133 V4L2_BUF_TYPE_VBI_OUTPUT = 5, 134 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6, 135 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7, 136 #if 1 137 /* Experimental */ 138 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8, 139 #endif 140 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9, 141 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10, 142 /* Deprecated, do not use */ 143 V4L2_BUF_TYPE_PRIVATE = 0x80, 144 }; 145 146 #define V4L2_TYPE_IS_MULTIPLANAR(type) \ 147 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \ 148 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 149 150 #define V4L2_TYPE_IS_OUTPUT(type) \ 151 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \ 152 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \ 153 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \ 154 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \ 155 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \ 156 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT) 157 158 #define V4L2_TYPE_IS_PRIVATE(type) \ 159 ((type) == V4L2_BUF_TYPE_PRIVATE) 160 161 enum v4l2_tuner_type { 162 V4L2_TUNER_RADIO = 1, 163 V4L2_TUNER_ANALOG_TV = 2, 164 V4L2_TUNER_DIGITAL_TV = 3, 165 }; 166 167 enum v4l2_memory { 168 V4L2_MEMORY_MMAP = 1, 169 V4L2_MEMORY_USERPTR = 2, 170 V4L2_MEMORY_OVERLAY = 3, 171 V4L2_MEMORY_DMABUF = 4, 172 }; 173 174 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 175 enum v4l2_colorspace { 176 /* ITU-R 601 -- broadcast NTSC/PAL */ 177 V4L2_COLORSPACE_SMPTE170M = 1, 178 179 /* 1125-Line (US) HDTV */ 180 V4L2_COLORSPACE_SMPTE240M = 2, 181 182 /* HD and modern captures. */ 183 V4L2_COLORSPACE_REC709 = 3, 184 185 /* broken BT878 extents (601, luma range 16-253 instead of 16-235) */ 186 V4L2_COLORSPACE_BT878 = 4, 187 188 /* These should be useful. Assume 601 extents. */ 189 V4L2_COLORSPACE_470_SYSTEM_M = 5, 190 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 191 192 /* I know there will be cameras that send this. So, this is 193 * unspecified chromaticities and full 0-255 on each of the 194 * Y'CbCr components 195 */ 196 V4L2_COLORSPACE_JPEG = 7, 197 198 /* For RGB colourspaces, this is probably a good start. */ 199 V4L2_COLORSPACE_SRGB = 8, 200 }; 201 202 enum v4l2_priority { 203 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 204 V4L2_PRIORITY_BACKGROUND = 1, 205 V4L2_PRIORITY_INTERACTIVE = 2, 206 V4L2_PRIORITY_RECORD = 3, 207 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 208 }; 209 210 struct v4l2_rect { 211 __s32 left; 212 __s32 top; 213 __s32 width; 214 __s32 height; 215 }; 216 217 struct v4l2_fract { 218 __u32 numerator; 219 __u32 denominator; 220 }; 221 222 /** 223 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 224 * 225 * @driver: name of the driver module (e.g. "bttv") 226 * @card: name of the card (e.g. "Hauppauge WinTV") 227 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 228 * @version: KERNEL_VERSION 229 * @capabilities: capabilities of the physical device as a whole 230 * @device_caps: capabilities accessed via this particular device (node) 231 * @reserved: reserved fields for future extensions 232 */ 233 struct v4l2_capability { 234 __u8 driver[16]; 235 __u8 card[32]; 236 __u8 bus_info[32]; 237 __u32 version; 238 __u32 capabilities; 239 __u32 device_caps; 240 __u32 reserved[3]; 241 }; 242 243 /* Values for 'capabilities' field */ 244 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 245 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 246 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 247 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 248 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 249 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 250 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 251 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 252 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 253 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 254 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 255 256 /* Is a video capture device that supports multiplanar formats */ 257 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 258 /* Is a video output device that supports multiplanar formats */ 259 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 260 /* Is a video mem-to-mem device that supports multiplanar formats */ 261 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 262 /* Is a video mem-to-mem device */ 263 #define V4L2_CAP_VIDEO_M2M 0x00008000 264 265 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 266 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 267 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 268 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 269 270 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 271 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 272 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 273 274 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 275 276 /* 277 * V I D E O I M A G E F O R M A T 278 */ 279 struct v4l2_pix_format { 280 __u32 width; 281 __u32 height; 282 __u32 pixelformat; 283 __u32 field; /* enum v4l2_field */ 284 __u32 bytesperline; /* for padding, zero if unused */ 285 __u32 sizeimage; 286 __u32 colorspace; /* enum v4l2_colorspace */ 287 __u32 priv; /* private data, depends on pixelformat */ 288 }; 289 290 /* Pixel format FOURCC depth Description */ 291 292 /* RGB formats */ 293 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 294 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 295 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 296 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 297 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 298 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 299 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 300 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 301 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 302 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 303 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 304 305 /* Grey formats */ 306 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 307 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 308 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 309 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 310 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 311 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 312 313 /* Grey bit-packed formats */ 314 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 315 316 /* Palette formats */ 317 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 318 319 /* Chrominance formats */ 320 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 321 322 /* Luminance+Chrominance formats */ 323 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 324 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 325 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 326 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 327 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 328 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 329 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 330 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 331 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 16 YVU411 planar */ 332 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 333 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 334 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 335 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 336 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 337 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 338 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 339 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */ 340 #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */ 341 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 342 343 /* two planes -- one Y, one Cr + Cb interleaved */ 344 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 345 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 346 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 347 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 348 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 349 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 350 351 /* two non contiguous planes - one Y, one Cr + Cb interleaved */ 352 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 353 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 354 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */ 355 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */ 356 357 /* three non contiguous planes - Y, Cb, Cr */ 358 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 359 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 360 361 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 362 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 363 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 364 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 365 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 366 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 367 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 368 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 369 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 370 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 371 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 372 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 373 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 374 /* 10bit raw bayer a-law compressed to 8 bits */ 375 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 376 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 377 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 378 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 379 /* 10bit raw bayer DPCM compressed to 8 bits */ 380 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 381 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 382 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 383 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 384 /* 385 * 10bit raw bayer, expanded to 16 bits 386 * xxxxrrrrrrrrrrxxxxgggggggggg xxxxggggggggggxxxxbbbbbbbbbb... 387 */ 388 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 389 390 /* compressed formats */ 391 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 392 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 393 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 394 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 395 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 396 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 397 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 398 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 399 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 400 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 401 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 ES */ 402 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 403 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 404 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 405 #define V4L2_PIX_FMT_DIVX_311 v4l2_fourcc('D', 'I', 'V', '3') /* DIVX311 */ 406 #define V4L2_PIX_FMT_DIVX v4l2_fourcc('D', 'I', 'V', 'X') /* DIVX */ 407 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 408 #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* for HEVC stream */ 409 #define V4L2_PIX_FMT_HEVC_HYBRID v4l2_fourcc('H', 'V', 'C', 'H') 410 411 /* Vendor-specific formats */ 412 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 413 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 414 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 415 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 416 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 417 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 418 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 419 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 420 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 421 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 422 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 423 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 424 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 425 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 426 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 427 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 428 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 429 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 430 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 431 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 432 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 433 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 434 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 435 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 436 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 437 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 438 #define V4L2_PIX_FMT_STATS_COMB v4l2_fourcc('S', 'T', 'C', 'M') /* Composite stats */ 439 440 #define V4L2_PIX_FMT_STATS_AE v4l2_fourcc('S', 'T', 'A', 'E') /* AEC stats */ 441 #define V4L2_PIX_FMT_STATS_AF v4l2_fourcc('S', 'T', 'A', 'F') /* AF stats */ 442 #define V4L2_PIX_FMT_STATS_AWB v4l2_fourcc('S', 'T', 'W', 'B') /* AWB stats */ 443 #define V4L2_PIX_FMT_STATS_IHST v4l2_fourcc('I', 'H', 'S', 'T') /* IHIST stats */ 444 #define V4L2_PIX_FMT_STATS_CS v4l2_fourcc('S', 'T', 'C', 'S') /* Column count stats */ 445 #define V4L2_PIX_FMT_STATS_RS v4l2_fourcc('S', 'T', 'R', 'S') /* Row count stats */ 446 #define V4L2_PIX_FMT_STATS_BG v4l2_fourcc('S', 'T', 'B', 'G') /* Bayer Grid stats */ 447 #define V4L2_PIX_FMT_STATS_BF v4l2_fourcc('S', 'T', 'B', 'F') /* Bayer focus stats */ 448 #define V4L2_PIX_FMT_STATS_BHST v4l2_fourcc('B', 'H', 'S', 'T') /* Bayer hist stats */ 449 450 /* 451 * F O R M A T E N U M E R A T I O N 452 */ 453 struct v4l2_fmtdesc { 454 __u32 index; /* Format number */ 455 __u32 type; /* enum v4l2_buf_type */ 456 __u32 flags; 457 __u8 description[32]; /* Description string */ 458 __u32 pixelformat; /* Format fourcc */ 459 __u32 reserved[4]; 460 }; 461 462 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 463 #define V4L2_FMT_FLAG_EMULATED 0x0002 464 465 #if 1 466 /* Experimental Frame Size and frame rate enumeration */ 467 /* 468 * F R A M E S I Z E E N U M E R A T I O N 469 */ 470 enum v4l2_frmsizetypes { 471 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 472 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 473 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 474 }; 475 476 struct v4l2_frmsize_discrete { 477 __u32 width; /* Frame width [pixel] */ 478 __u32 height; /* Frame height [pixel] */ 479 }; 480 481 struct v4l2_frmsize_stepwise { 482 __u32 min_width; /* Minimum frame width [pixel] */ 483 __u32 max_width; /* Maximum frame width [pixel] */ 484 __u32 step_width; /* Frame width step size [pixel] */ 485 __u32 min_height; /* Minimum frame height [pixel] */ 486 __u32 max_height; /* Maximum frame height [pixel] */ 487 __u32 step_height; /* Frame height step size [pixel] */ 488 }; 489 490 struct v4l2_frmsizeenum { 491 __u32 index; /* Frame size number */ 492 __u32 pixel_format; /* Pixel format */ 493 __u32 type; /* Frame size type the device supports. */ 494 495 union { /* Frame size */ 496 struct v4l2_frmsize_discrete discrete; 497 struct v4l2_frmsize_stepwise stepwise; 498 }; 499 500 __u32 reserved[2]; /* Reserved space for future use */ 501 }; 502 503 /* 504 * F R A M E R A T E E N U M E R A T I O N 505 */ 506 enum v4l2_frmivaltypes { 507 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 508 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 509 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 510 }; 511 512 struct v4l2_frmival_stepwise { 513 struct v4l2_fract min; /* Minimum frame interval [s] */ 514 struct v4l2_fract max; /* Maximum frame interval [s] */ 515 struct v4l2_fract step; /* Frame interval step size [s] */ 516 }; 517 518 struct v4l2_frmivalenum { 519 __u32 index; /* Frame format index */ 520 __u32 pixel_format; /* Pixel format */ 521 __u32 width; /* Frame width */ 522 __u32 height; /* Frame height */ 523 __u32 type; /* Frame interval type the device supports. */ 524 525 union { /* Frame interval */ 526 struct v4l2_fract discrete; 527 struct v4l2_frmival_stepwise stepwise; 528 }; 529 530 __u32 reserved[2]; /* Reserved space for future use */ 531 }; 532 #endif 533 534 /* 535 * T I M E C O D E 536 */ 537 struct v4l2_timecode { 538 __u32 type; 539 __u32 flags; 540 __u8 frames; 541 __u8 seconds; 542 __u8 minutes; 543 __u8 hours; 544 __u8 userbits[4]; 545 }; 546 547 /* Type */ 548 #define V4L2_TC_TYPE_24FPS 1 549 #define V4L2_TC_TYPE_25FPS 2 550 #define V4L2_TC_TYPE_30FPS 3 551 #define V4L2_TC_TYPE_50FPS 4 552 #define V4L2_TC_TYPE_60FPS 5 553 554 /* Flags */ 555 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 556 #define V4L2_TC_FLAG_COLORFRAME 0x0002 557 #define V4L2_TC_USERBITS_field 0x000C 558 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 559 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 560 /* The above is based on SMPTE timecodes */ 561 562 struct v4l2_jpegcompression { 563 int quality; 564 565 int APPn; /* Number of APP segment to be written, 566 * must be 0..15 */ 567 int APP_len; /* Length of data in JPEG APPn segment */ 568 char APP_data[60]; /* Data in the JPEG APPn segment. */ 569 570 int COM_len; /* Length of data in JPEG COM segment */ 571 char COM_data[60]; /* Data in JPEG COM segment */ 572 573 __u32 jpeg_markers; /* Which markers should go into the JPEG 574 * output. Unless you exactly know what 575 * you do, leave them untouched. 576 * Inluding less markers will make the 577 * resulting code smaller, but there will 578 * be fewer applications which can read it. 579 * The presence of the APP and COM marker 580 * is influenced by APP_len and COM_len 581 * ONLY, not by this property! */ 582 583 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 584 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 585 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 586 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 587 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 588 * allways use APP0 */ 589 }; 590 591 /* 592 * M E M O R Y - M A P P I N G B U F F E R S 593 */ 594 struct v4l2_requestbuffers { 595 __u32 count; 596 __u32 type; /* enum v4l2_buf_type */ 597 __u32 memory; /* enum v4l2_memory */ 598 __u32 reserved[2]; 599 }; 600 601 /** 602 * struct v4l2_plane - plane info for multi-planar buffers 603 * @bytesused: number of bytes occupied by data in the plane (payload) 604 * @length: size of this plane (NOT the payload) in bytes 605 * @mem_offset: when memory in the associated struct v4l2_buffer is 606 * V4L2_MEMORY_MMAP, equals the offset from the start of 607 * the device memory for this plane (or is a "cookie" that 608 * should be passed to mmap() called on the video node) 609 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 610 * pointing to this plane 611 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 612 * descriptor associated with this plane 613 * @data_offset: offset in the plane to the start of data; usually 0, 614 * unless there is a header in front of the data 615 * 616 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 617 * with two planes can have one plane for Y, and another for interleaved CbCr 618 * components. Each plane can reside in a separate memory buffer, or even in 619 * a completely separate memory node (e.g. in embedded devices). 620 */ 621 struct v4l2_plane { 622 __u32 bytesused; 623 __u32 length; 624 union { 625 __u32 mem_offset; 626 unsigned long userptr; 627 __s32 fd; 628 } m; 629 __u32 data_offset; 630 __u32 reserved[11]; 631 }; 632 633 /** 634 * struct v4l2_buffer - video buffer info 635 * @index: id number of the buffer 636 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 637 * multiplanar buffers); 638 * @bytesused: number of bytes occupied by data in the buffer (payload); 639 * unused (set to 0) for multiplanar buffers 640 * @flags: buffer informational flags 641 * @field: enum v4l2_field; field order of the image in the buffer 642 * @timestamp: frame timestamp 643 * @timecode: frame timecode 644 * @sequence: sequence count of this frame 645 * @memory: enum v4l2_memory; the method, in which the actual video data is 646 * passed 647 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 648 * offset from the start of the device memory for this plane, 649 * (or a "cookie" that should be passed to mmap() as offset) 650 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 651 * a userspace pointer pointing to this buffer 652 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 653 * a userspace file descriptor associated with this buffer 654 * @planes: for multiplanar buffers; userspace pointer to the array of plane 655 * info structs for this buffer 656 * @length: size in bytes of the buffer (NOT its payload) for single-plane 657 * buffers (when type != *_MPLANE); number of elements in the 658 * planes array for multi-plane buffers 659 * @input: input number from which the video data has has been captured 660 * 661 * Contains data exchanged by application and driver using one of the Streaming 662 * I/O methods. 663 */ 664 struct v4l2_buffer { 665 __u32 index; 666 __u32 type; 667 __u32 bytesused; 668 __u32 flags; 669 __u32 field; 670 struct timeval timestamp; 671 struct v4l2_timecode timecode; 672 __u32 sequence; 673 674 /* memory location */ 675 __u32 memory; 676 union { 677 __u32 offset; 678 unsigned long userptr; 679 struct v4l2_plane *planes; 680 __s32 fd; 681 } m; 682 __u32 length; 683 __u32 reserved2; 684 __u32 reserved; 685 }; 686 687 /* Flags for 'flags' field */ 688 #define V4L2_BUF_FLAG_MAPPED 0x0001 /* Buffer is mapped (flag) */ 689 #define V4L2_BUF_FLAG_QUEUED 0x0002 /* Buffer is queued for processing */ 690 #define V4L2_BUF_FLAG_DONE 0x0004 /* Buffer is ready */ 691 #define V4L2_BUF_FLAG_KEYFRAME 0x0008 /* Image is a keyframe (I-frame) */ 692 #define V4L2_BUF_FLAG_PFRAME 0x0010 /* Image is a P-frame */ 693 #define V4L2_BUF_FLAG_BFRAME 0x0020 /* Image is a B-frame */ 694 /* Buffer is ready, but the data contained within is corrupted. */ 695 #define V4L2_BUF_FLAG_ERROR 0x0040 696 #define V4L2_BUF_FLAG_TIMECODE 0x0100 /* timecode field is valid */ 697 #define V4L2_BUF_FLAG_PREPARED 0x0400 /* Buffer is prepared for queuing */ 698 /* Cache handling flags */ 699 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x0800 700 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x1000 701 /* Timestamp type */ 702 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0xe000 703 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x0000 704 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x2000 705 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x4000 706 /* Vendor extensions */ 707 #define V4L2_QCOM_BUF_FLAG_CODECCONFIG 0x10000 708 #define V4L2_QCOM_BUF_FLAG_EOSEQ 0x20000 709 #define V4L2_QCOM_BUF_TIMESTAMP_INVALID 0x40000 710 #define V4L2_QCOM_BUF_FLAG_IDRFRAME 0x80000 /*Image is a IDR-frame*/ 711 #define V4L2_QCOM_BUF_FLAG_DECODEONLY 0x100000 712 #define V4L2_QCOM_BUF_DATA_CORRUPT 0x200000 713 #define V4L2_QCOM_BUF_DROP_FRAME 0x400000 714 #define V4L2_QCOM_BUF_INPUT_UNSUPPORTED 0x800000 715 #define V4L2_QCOM_BUF_FLAG_EOS 0x1000000 716 #define V4L2_QCOM_BUF_TS_DISCONTINUITY 0x2000000 717 #define V4L2_QCOM_BUF_TS_ERROR 0x4000000 718 #define V4L2_QCOM_BUF_FLAG_READONLY 0x8000000 719 #define V4L2_MSM_VIDC_BUF_START_CODE_NOT_FOUND 0x10000000 720 #define V4L2_MSM_BUF_FLAG_YUV_601_709_CLAMP 0x20000000 721 #define V4L2_MSM_BUF_FLAG_MBAFF 0x40000000 722 723 /** 724 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 725 * 726 * @index: id number of the buffer 727 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 728 * multiplanar buffers); 729 * @plane: index of the plane to be exported, 0 for single plane queues 730 * @flags: flags for newly created file, currently only O_CLOEXEC is 731 * supported, refer to manual of open syscall for more details 732 * @fd: file descriptor associated with DMABUF (set by driver) 733 * 734 * Contains data used for exporting a video buffer as DMABUF file descriptor. 735 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 736 * (identical to the cookie used to mmap() the buffer to userspace). All 737 * reserved fields must be set to zero. The field reserved0 is expected to 738 * become a structure 'type' allowing an alternative layout of the structure 739 * content. Therefore this field should not be used for any other extensions. 740 */ 741 struct v4l2_exportbuffer { 742 __u32 type; /* enum v4l2_buf_type */ 743 __u32 index; 744 __u32 plane; 745 __u32 flags; 746 __s32 fd; 747 __u32 reserved[11]; 748 }; 749 750 /* 751 * O V E R L A Y P R E V I E W 752 */ 753 struct v4l2_framebuffer { 754 __u32 capability; 755 __u32 flags; 756 /* FIXME: in theory we should pass something like PCI device + memory 757 * region + offset instead of some physical address */ 758 void *base; 759 struct v4l2_pix_format fmt; 760 }; 761 /* Flags for the 'capability' field. Read only */ 762 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 763 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 764 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 765 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 766 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 767 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 768 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 769 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 770 /* Flags for the 'flags' field. */ 771 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 772 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 773 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 774 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 775 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 776 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 777 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 778 779 struct v4l2_clip { 780 struct v4l2_rect c; 781 struct v4l2_clip __user *next; 782 }; 783 784 struct v4l2_window { 785 struct v4l2_rect w; 786 __u32 field; /* enum v4l2_field */ 787 __u32 chromakey; 788 struct v4l2_clip __user *clips; 789 __u32 clipcount; 790 void __user *bitmap; 791 __u8 global_alpha; 792 }; 793 794 /* 795 * C A P T U R E P A R A M E T E R S 796 */ 797 struct v4l2_captureparm { 798 __u32 capability; /* Supported modes */ 799 __u32 capturemode; /* Current mode */ 800 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 801 __u32 extendedmode; /* Driver-specific extensions */ 802 __u32 readbuffers; /* # of buffers for read */ 803 __u32 reserved[4]; 804 }; 805 806 /* Flags for 'capability' and 'capturemode' fields */ 807 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 808 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 809 #define V4L2_CAP_QCOM_FRAMESKIP 0x2000 /* frame skipping is supported */ 810 811 struct v4l2_qcom_frameskip { 812 __u64 maxframeinterval; 813 __u8 fpsvariance; 814 }; 815 816 struct v4l2_outputparm { 817 __u32 capability; /* Supported modes */ 818 __u32 outputmode; /* Current mode */ 819 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 820 __u32 extendedmode; /* Driver-specific extensions */ 821 __u32 writebuffers; /* # of buffers for write */ 822 __u32 reserved[4]; 823 }; 824 825 /* 826 * I N P U T I M A G E C R O P P I N G 827 */ 828 struct v4l2_cropcap { 829 __u32 type; /* enum v4l2_buf_type */ 830 struct v4l2_rect bounds; 831 struct v4l2_rect defrect; 832 struct v4l2_fract pixelaspect; 833 }; 834 835 struct v4l2_crop { 836 __u32 type; /* enum v4l2_buf_type */ 837 struct v4l2_rect c; 838 }; 839 840 /** 841 * struct v4l2_selection - selection info 842 * @type: buffer type (do not use *_MPLANE types) 843 * @target: Selection target, used to choose one of possible rectangles; 844 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 845 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 846 * @r: coordinates of selection window 847 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 848 * 849 * Hardware may use multiple helper windows to process a video stream. 850 * The structure is used to exchange this selection areas between 851 * an application and a driver. 852 */ 853 struct v4l2_selection { 854 __u32 type; 855 __u32 target; 856 __u32 flags; 857 struct v4l2_rect r; 858 __u32 reserved[9]; 859 }; 860 861 862 /* 863 * A N A L O G V I D E O S T A N D A R D 864 */ 865 866 typedef __u64 v4l2_std_id; 867 868 /* one bit for each */ 869 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 870 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 871 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 872 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 873 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 874 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 875 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 876 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 877 878 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 879 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 880 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 881 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 882 883 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 884 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 885 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 886 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 887 888 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 889 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 890 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 891 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 892 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 893 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 894 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 895 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 896 897 /* ATSC/HDTV */ 898 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 899 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 900 901 /* FIXME: 902 Although std_id is 64 bits, there is an issue on PPC32 architecture that 903 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 904 this value to 32 bits. 905 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 906 it should work fine. However, if needed to add more than two standards, 907 v4l2-common.c should be fixed. 908 */ 909 910 /* 911 * Some macros to merge video standards in order to make live easier for the 912 * drivers and V4L2 applications 913 */ 914 915 /* 916 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 917 * Missing here. 918 */ 919 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 920 V4L2_STD_NTSC_M_JP |\ 921 V4L2_STD_NTSC_M_KR) 922 /* Secam macros */ 923 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 924 V4L2_STD_SECAM_K |\ 925 V4L2_STD_SECAM_K1) 926 /* All Secam Standards */ 927 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 928 V4L2_STD_SECAM_G |\ 929 V4L2_STD_SECAM_H |\ 930 V4L2_STD_SECAM_DK |\ 931 V4L2_STD_SECAM_L |\ 932 V4L2_STD_SECAM_LC) 933 /* PAL macros */ 934 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 935 V4L2_STD_PAL_B1 |\ 936 V4L2_STD_PAL_G) 937 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 938 V4L2_STD_PAL_D1 |\ 939 V4L2_STD_PAL_K) 940 /* 941 * "Common" PAL - This macro is there to be compatible with the old 942 * V4L1 concept of "PAL": /BGDKHI. 943 * Several PAL standards are mising here: /M, /N and /Nc 944 */ 945 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 946 V4L2_STD_PAL_DK |\ 947 V4L2_STD_PAL_H |\ 948 V4L2_STD_PAL_I) 949 /* Chroma "agnostic" standards */ 950 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 951 V4L2_STD_PAL_B1 |\ 952 V4L2_STD_SECAM_B) 953 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 954 V4L2_STD_SECAM_G) 955 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 956 V4L2_STD_SECAM_H) 957 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 958 V4L2_STD_SECAM_LC) 959 #define V4L2_STD_GH (V4L2_STD_G |\ 960 V4L2_STD_H) 961 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 962 V4L2_STD_SECAM_DK) 963 #define V4L2_STD_BG (V4L2_STD_B |\ 964 V4L2_STD_G) 965 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 966 V4L2_STD_PAL_N |\ 967 V4L2_STD_PAL_Nc |\ 968 V4L2_STD_NTSC) 969 970 /* Standards where MTS/BTSC stereo could be found */ 971 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 972 V4L2_STD_PAL_M |\ 973 V4L2_STD_PAL_N |\ 974 V4L2_STD_PAL_Nc) 975 976 /* Standards for Countries with 60Hz Line frequency */ 977 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 978 V4L2_STD_PAL_60 |\ 979 V4L2_STD_NTSC |\ 980 V4L2_STD_NTSC_443) 981 /* Standards for Countries with 50Hz Line frequency */ 982 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 983 V4L2_STD_PAL_N |\ 984 V4L2_STD_PAL_Nc |\ 985 V4L2_STD_SECAM) 986 987 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 988 V4L2_STD_ATSC_16_VSB) 989 /* Macros with none and all analog standards */ 990 #define V4L2_STD_UNKNOWN 0 991 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 992 V4L2_STD_625_50) 993 994 struct v4l2_standard { 995 __u32 index; 996 v4l2_std_id id; 997 __u8 name[24]; 998 struct v4l2_fract frameperiod; /* Frames, not fields */ 999 __u32 framelines; 1000 __u32 reserved[4]; 1001 }; 1002 1003 /* 1004 * D V B T T I M I N G S 1005 */ 1006 1007 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1008 * @width: total width of the active video in pixels 1009 * @height: total height of the active video in lines 1010 * @interlaced: Interlaced or progressive 1011 * @polarities: Positive or negative polarities 1012 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1013 * @hfrontporch:Horizontal front porch in pixels 1014 * @hsync: Horizontal Sync length in pixels 1015 * @hbackporch: Horizontal back porch in pixels 1016 * @vfrontporch:Vertical front porch in lines 1017 * @vsync: Vertical Sync length in lines 1018 * @vbackporch: Vertical back porch in lines 1019 * @il_vfrontporch:Vertical front porch for the even field 1020 * (aka field 2) of interlaced field formats 1021 * @il_vsync: Vertical Sync length for the even field 1022 * (aka field 2) of interlaced field formats 1023 * @il_vbackporch:Vertical back porch for the even field 1024 * (aka field 2) of interlaced field formats 1025 * @standards: Standards the timing belongs to 1026 * @flags: Flags 1027 * @reserved: Reserved fields, must be zeroed. 1028 * 1029 * A note regarding vertical interlaced timings: height refers to the total 1030 * height of the active video frame (= two fields). The blanking timings refer 1031 * to the blanking of each field. So the height of the total frame is 1032 * calculated as follows: 1033 * 1034 * tot_height = height + vfrontporch + vsync + vbackporch + 1035 * il_vfrontporch + il_vsync + il_vbackporch 1036 * 1037 * The active height of each field is height / 2. 1038 */ 1039 struct v4l2_bt_timings { 1040 __u32 width; 1041 __u32 height; 1042 __u32 interlaced; 1043 __u32 polarities; 1044 __u64 pixelclock; 1045 __u32 hfrontporch; 1046 __u32 hsync; 1047 __u32 hbackporch; 1048 __u32 vfrontporch; 1049 __u32 vsync; 1050 __u32 vbackporch; 1051 __u32 il_vfrontporch; 1052 __u32 il_vsync; 1053 __u32 il_vbackporch; 1054 __u32 standards; 1055 __u32 flags; 1056 __u32 reserved[14]; 1057 } __attribute__ ((packed)); 1058 1059 /* Interlaced or progressive format */ 1060 #define V4L2_DV_PROGRESSIVE 0 1061 #define V4L2_DV_INTERLACED 1 1062 1063 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1064 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1065 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1066 1067 /* Timings standards */ 1068 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1069 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1070 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1071 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1072 1073 /* Flags */ 1074 1075 /* CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1076 GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1077 intervals are reduced, allowing a higher resolution over the same 1078 bandwidth. This is a read-only flag. */ 1079 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1080 /* CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1081 of six. These formats can be optionally played at 1 / 1.001 speed. 1082 This is a read-only flag. */ 1083 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1084 /* CEA-861 specific: only valid for video transmitters, the flag is cleared 1085 by receivers. 1086 If the framerate of the format is a multiple of six, then the pixelclock 1087 used to set up the transmitter is divided by 1.001 to make it compatible 1088 with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1089 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1090 such frequencies, then the flag will also be cleared. */ 1091 #define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1092 /* Specific to interlaced formats: if set, then field 1 is really one half-line 1093 longer and field 2 is really one half-line shorter, so each field has 1094 exactly the same number of half-lines. Whether half-lines can be detected 1095 or used depends on the hardware. */ 1096 #define V4L2_DV_FL_HALF_LINE (1 << 3) 1097 1098 1099 /** struct v4l2_dv_timings - DV timings 1100 * @type: the type of the timings 1101 * @bt: BT656/1120 timings 1102 */ 1103 struct v4l2_dv_timings { 1104 __u32 type; 1105 union { 1106 struct v4l2_bt_timings bt; 1107 __u32 reserved[32]; 1108 }; 1109 } __attribute__ ((packed)); 1110 1111 /* Values for the type field */ 1112 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1113 1114 1115 /** struct v4l2_enum_dv_timings - DV timings enumeration 1116 * @index: enumeration index 1117 * @reserved: must be zeroed 1118 * @timings: the timings for the given index 1119 */ 1120 struct v4l2_enum_dv_timings { 1121 __u32 index; 1122 __u32 reserved[3]; 1123 struct v4l2_dv_timings timings; 1124 }; 1125 1126 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1127 * @min_width: width in pixels 1128 * @max_width: width in pixels 1129 * @min_height: height in lines 1130 * @max_height: height in lines 1131 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1132 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1133 * @standards: Supported standards 1134 * @capabilities: Supported capabilities 1135 * @reserved: Must be zeroed 1136 */ 1137 struct v4l2_bt_timings_cap { 1138 __u32 min_width; 1139 __u32 max_width; 1140 __u32 min_height; 1141 __u32 max_height; 1142 __u64 min_pixelclock; 1143 __u64 max_pixelclock; 1144 __u32 standards; 1145 __u32 capabilities; 1146 __u32 reserved[16]; 1147 } __attribute__ ((packed)); 1148 1149 /* Supports interlaced formats */ 1150 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1151 /* Supports progressive formats */ 1152 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1153 /* Supports CVT/GTF reduced blanking */ 1154 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1155 /* Supports custom formats */ 1156 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1157 1158 /** struct v4l2_dv_timings_cap - DV timings capabilities 1159 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1160 * @bt: the BT656/1120 timings capabilities 1161 */ 1162 struct v4l2_dv_timings_cap { 1163 __u32 type; 1164 __u32 reserved[3]; 1165 union { 1166 struct v4l2_bt_timings_cap bt; 1167 __u32 raw_data[32]; 1168 }; 1169 }; 1170 1171 1172 /* 1173 * V I D E O I N P U T S 1174 */ 1175 struct v4l2_input { 1176 __u32 index; /* Which input */ 1177 __u8 name[32]; /* Label */ 1178 __u32 type; /* Type of input */ 1179 __u32 audioset; /* Associated audios (bitfield) */ 1180 __u32 tuner; /* enum v4l2_tuner_type */ 1181 v4l2_std_id std; 1182 __u32 status; 1183 __u32 capabilities; 1184 __u32 reserved[3]; 1185 }; 1186 1187 /* Values for the 'type' field */ 1188 #define V4L2_INPUT_TYPE_TUNER 1 1189 #define V4L2_INPUT_TYPE_CAMERA 2 1190 1191 /* field 'status' - general */ 1192 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1193 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1194 #define V4L2_IN_ST_NO_COLOR 0x00000004 1195 1196 /* field 'status' - sensor orientation */ 1197 /* If sensor is mounted upside down set both bits */ 1198 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1199 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1200 1201 /* field 'status' - analog */ 1202 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1203 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1204 1205 /* field 'status' - digital */ 1206 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1207 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1208 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1209 1210 /* field 'status' - VCR and set-top box */ 1211 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1212 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1213 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1214 1215 /* capabilities flags */ 1216 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1217 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1218 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1219 1220 /* 1221 * V I D E O O U T P U T S 1222 */ 1223 struct v4l2_output { 1224 __u32 index; /* Which output */ 1225 __u8 name[32]; /* Label */ 1226 __u32 type; /* Type of output */ 1227 __u32 audioset; /* Associated audios (bitfield) */ 1228 __u32 modulator; /* Associated modulator */ 1229 v4l2_std_id std; 1230 __u32 capabilities; 1231 __u32 reserved[3]; 1232 }; 1233 /* Values for the 'type' field */ 1234 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1235 #define V4L2_OUTPUT_TYPE_ANALOG 2 1236 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1237 1238 /* capabilities flags */ 1239 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1240 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1241 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1242 1243 /* 1244 * C O N T R O L S 1245 */ 1246 struct v4l2_control { 1247 __u32 id; 1248 __s32 value; 1249 }; 1250 1251 struct v4l2_ext_control { 1252 __u32 id; 1253 __u32 size; 1254 __u32 reserved2[1]; 1255 union { 1256 __s32 value; 1257 __s64 value64; 1258 char *string; 1259 }; 1260 } __attribute__ ((packed)); 1261 1262 struct v4l2_ext_controls { 1263 __u32 ctrl_class; 1264 __u32 count; 1265 __u32 error_idx; 1266 __u32 reserved[2]; 1267 struct v4l2_ext_control *controls; 1268 }; 1269 1270 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1271 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1272 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1273 1274 enum v4l2_ctrl_type { 1275 V4L2_CTRL_TYPE_INTEGER = 1, 1276 V4L2_CTRL_TYPE_BOOLEAN = 2, 1277 V4L2_CTRL_TYPE_MENU = 3, 1278 V4L2_CTRL_TYPE_BUTTON = 4, 1279 V4L2_CTRL_TYPE_INTEGER64 = 5, 1280 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1281 V4L2_CTRL_TYPE_STRING = 7, 1282 V4L2_CTRL_TYPE_BITMASK = 8, 1283 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1284 }; 1285 1286 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1287 struct v4l2_queryctrl { 1288 __u32 id; 1289 __u32 type; /* enum v4l2_ctrl_type */ 1290 __u8 name[32]; /* Whatever */ 1291 __s32 minimum; /* Note signedness */ 1292 __s32 maximum; 1293 __s32 step; 1294 __s32 default_value; 1295 __u32 flags; 1296 __u32 reserved[2]; 1297 }; 1298 1299 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1300 struct v4l2_querymenu { 1301 __u32 id; 1302 __u32 index; 1303 union { 1304 __u8 name[32]; /* Whatever */ 1305 __s64 value; 1306 }; 1307 __u32 reserved; 1308 } __attribute__ ((packed)); 1309 1310 /* Control flags */ 1311 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1312 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1313 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1314 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1315 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1316 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1317 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1318 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1319 1320 /* Query flag, to be ORed with the control ID */ 1321 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1322 1323 /* User-class control IDs defined by V4L2 */ 1324 #define V4L2_CID_MAX_CTRLS 1024 1325 /* IDs reserved for driver specific controls */ 1326 #define V4L2_CID_PRIVATE_BASE 0x08000000 1327 1328 1329 /* 1330 * T U N I N G 1331 */ 1332 struct v4l2_tuner { 1333 __u32 index; 1334 __u8 name[32]; 1335 __u32 type; /* enum v4l2_tuner_type */ 1336 __u32 capability; 1337 __u32 rangelow; 1338 __u32 rangehigh; 1339 __u32 rxsubchans; 1340 __u32 audmode; 1341 __s32 signal; 1342 __s32 afc; 1343 __u32 reserved[4]; 1344 }; 1345 1346 struct v4l2_modulator { 1347 __u32 index; 1348 __u8 name[32]; 1349 __u32 capability; 1350 __u32 rangelow; 1351 __u32 rangehigh; 1352 __u32 txsubchans; 1353 __u32 reserved[4]; 1354 }; 1355 1356 /* Flags for the 'capability' field */ 1357 #define V4L2_TUNER_CAP_LOW 0x0001 1358 #define V4L2_TUNER_CAP_NORM 0x0002 1359 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1360 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1361 #define V4L2_TUNER_CAP_STEREO 0x0010 1362 #define V4L2_TUNER_CAP_LANG2 0x0020 1363 #define V4L2_TUNER_CAP_SAP 0x0020 1364 #define V4L2_TUNER_CAP_LANG1 0x0040 1365 #define V4L2_TUNER_CAP_RDS 0x0080 1366 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1367 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1368 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1369 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1370 1371 /* Flags for the 'rxsubchans' field */ 1372 #define V4L2_TUNER_SUB_MONO 0x0001 1373 #define V4L2_TUNER_SUB_STEREO 0x0002 1374 #define V4L2_TUNER_SUB_LANG2 0x0004 1375 #define V4L2_TUNER_SUB_SAP 0x0004 1376 #define V4L2_TUNER_SUB_LANG1 0x0008 1377 #define V4L2_TUNER_SUB_RDS 0x0010 1378 1379 /* Values for the 'audmode' field */ 1380 #define V4L2_TUNER_MODE_MONO 0x0000 1381 #define V4L2_TUNER_MODE_STEREO 0x0001 1382 #define V4L2_TUNER_MODE_LANG2 0x0002 1383 #define V4L2_TUNER_MODE_SAP 0x0002 1384 #define V4L2_TUNER_MODE_LANG1 0x0003 1385 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1386 1387 struct v4l2_frequency { 1388 __u32 tuner; 1389 __u32 type; /* enum v4l2_tuner_type */ 1390 __u32 frequency; 1391 __u32 reserved[8]; 1392 }; 1393 1394 #define V4L2_BAND_MODULATION_VSB (1 << 1) 1395 #define V4L2_BAND_MODULATION_FM (1 << 2) 1396 #define V4L2_BAND_MODULATION_AM (1 << 3) 1397 1398 struct v4l2_frequency_band { 1399 __u32 tuner; 1400 __u32 type; /* enum v4l2_tuner_type */ 1401 __u32 index; 1402 __u32 capability; 1403 __u32 rangelow; 1404 __u32 rangehigh; 1405 __u32 modulation; 1406 __u32 reserved[9]; 1407 }; 1408 1409 struct v4l2_hw_freq_seek { 1410 __u32 tuner; 1411 __u32 type; /* enum v4l2_tuner_type */ 1412 __u32 seek_upward; 1413 __u32 wrap_around; 1414 __u32 spacing; 1415 __u32 rangelow; 1416 __u32 rangehigh; 1417 __u32 reserved[5]; 1418 }; 1419 1420 /* 1421 * R D S 1422 */ 1423 1424 struct v4l2_rds_data { 1425 __u8 lsb; 1426 __u8 msb; 1427 __u8 block; 1428 } __attribute__ ((packed)); 1429 1430 #define V4L2_RDS_BLOCK_MSK 0x7 1431 #define V4L2_RDS_BLOCK_A 0 1432 #define V4L2_RDS_BLOCK_B 1 1433 #define V4L2_RDS_BLOCK_C 2 1434 #define V4L2_RDS_BLOCK_D 3 1435 #define V4L2_RDS_BLOCK_C_ALT 4 1436 #define V4L2_RDS_BLOCK_INVALID 7 1437 1438 #define V4L2_RDS_BLOCK_CORRECTED 0x40 1439 #define V4L2_RDS_BLOCK_ERROR 0x80 1440 1441 /* 1442 * A U D I O 1443 */ 1444 struct v4l2_audio { 1445 __u32 index; 1446 __u8 name[32]; 1447 __u32 capability; 1448 __u32 mode; 1449 __u32 reserved[2]; 1450 }; 1451 1452 /* Flags for the 'capability' field */ 1453 #define V4L2_AUDCAP_STEREO 0x00001 1454 #define V4L2_AUDCAP_AVL 0x00002 1455 1456 /* Flags for the 'mode' field */ 1457 #define V4L2_AUDMODE_AVL 0x00001 1458 1459 struct v4l2_audioout { 1460 __u32 index; 1461 __u8 name[32]; 1462 __u32 capability; 1463 __u32 mode; 1464 __u32 reserved[2]; 1465 }; 1466 1467 /* 1468 * M P E G S E R V I C E S 1469 * 1470 * NOTE: EXPERIMENTAL API 1471 */ 1472 #if 1 1473 #define V4L2_ENC_IDX_FRAME_I (0) 1474 #define V4L2_ENC_IDX_FRAME_P (1) 1475 #define V4L2_ENC_IDX_FRAME_B (2) 1476 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 1477 1478 struct v4l2_enc_idx_entry { 1479 __u64 offset; 1480 __u64 pts; 1481 __u32 length; 1482 __u32 flags; 1483 __u32 reserved[2]; 1484 }; 1485 1486 #define V4L2_ENC_IDX_ENTRIES (64) 1487 struct v4l2_enc_idx { 1488 __u32 entries; 1489 __u32 entries_cap; 1490 __u32 reserved[4]; 1491 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 1492 }; 1493 1494 1495 #define V4L2_ENC_CMD_START (0) 1496 #define V4L2_ENC_CMD_STOP (1) 1497 #define V4L2_ENC_CMD_PAUSE (2) 1498 #define V4L2_ENC_CMD_RESUME (3) 1499 #define V4L2_ENC_QCOM_CMD_FLUSH (4) 1500 1501 /* Flags for V4L2_ENC_CMD_STOP */ 1502 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 1503 1504 struct v4l2_encoder_cmd { 1505 __u32 cmd; 1506 __u32 flags; 1507 union { 1508 struct { 1509 __u32 data[8]; 1510 } raw; 1511 }; 1512 }; 1513 1514 /* Decoder commands */ 1515 #define V4L2_DEC_CMD_START (0) 1516 #define V4L2_DEC_CMD_STOP (1) 1517 #define V4L2_DEC_CMD_PAUSE (2) 1518 #define V4L2_DEC_CMD_RESUME (3) 1519 #define V4L2_DEC_QCOM_CMD_FLUSH (4) 1520 1521 /* Flags for V4L2_DEC_CMD_START */ 1522 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 1523 1524 /* Flags for V4L2_DEC_CMD_PAUSE */ 1525 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 1526 1527 /* Flags for V4L2_DEC_CMD_STOP */ 1528 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 1529 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 1530 1531 /* Flags for V4L2_DEC_QCOM_CMD_FLUSH */ 1532 #define V4L2_DEC_QCOM_CMD_FLUSH_OUTPUT (1 << 0) 1533 #define V4L2_DEC_QCOM_CMD_FLUSH_CAPTURE (1 << 1) 1534 1535 #define V4L2_QCOM_CMD_FLUSH_OUTPUT (1 << 0) 1536 #define V4L2_QCOM_CMD_FLUSH_CAPTURE (1 << 1) 1537 1538 /* Play format requirements (returned by the driver): */ 1539 1540 /* The decoder has no special format requirements */ 1541 #define V4L2_DEC_START_FMT_NONE (0) 1542 /* The decoder requires full GOPs */ 1543 #define V4L2_DEC_START_FMT_GOP (1) 1544 1545 /* The structure must be zeroed before use by the application 1546 This ensures it can be extended safely in the future. */ 1547 struct v4l2_decoder_cmd { 1548 __u32 cmd; 1549 __u32 flags; 1550 union { 1551 struct { 1552 __u64 pts; 1553 } stop; 1554 1555 struct { 1556 /* 0 or 1000 specifies normal speed, 1557 1 specifies forward single stepping, 1558 -1 specifies backward single stepping, 1559 >1: playback at speed/1000 of the normal speed, 1560 <-1: reverse playback at (-speed/1000) of the normal speed. */ 1561 __s32 speed; 1562 __u32 format; 1563 } start; 1564 1565 struct { 1566 __u32 data[16]; 1567 } raw; 1568 }; 1569 }; 1570 #endif 1571 1572 1573 /* 1574 * D A T A S E R V I C E S ( V B I ) 1575 * 1576 * Data services API by Michael Schimek 1577 */ 1578 1579 /* Raw VBI */ 1580 struct v4l2_vbi_format { 1581 __u32 sampling_rate; /* in 1 Hz */ 1582 __u32 offset; 1583 __u32 samples_per_line; 1584 __u32 sample_format; /* V4L2_PIX_FMT_* */ 1585 __s32 start[2]; 1586 __u32 count[2]; 1587 __u32 flags; /* V4L2_VBI_* */ 1588 __u32 reserved[2]; /* must be zero */ 1589 }; 1590 1591 /* VBI flags */ 1592 #define V4L2_VBI_UNSYNC (1 << 0) 1593 #define V4L2_VBI_INTERLACED (1 << 1) 1594 1595 /* Sliced VBI 1596 * 1597 * This implements is a proposal V4L2 API to allow SLICED VBI 1598 * required for some hardware encoders. It should change without 1599 * notice in the definitive implementation. 1600 */ 1601 1602 struct v4l2_sliced_vbi_format { 1603 __u16 service_set; 1604 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1605 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1606 (equals frame lines 313-336 for 625 line video 1607 standards, 263-286 for 525 line standards) */ 1608 __u16 service_lines[2][24]; 1609 __u32 io_size; 1610 __u32 reserved[2]; /* must be zero */ 1611 }; 1612 1613 /* Teletext World System Teletext 1614 (WST), defined on ITU-R BT.653-2 */ 1615 #define V4L2_SLICED_TELETEXT_B (0x0001) 1616 /* Video Program System, defined on ETS 300 231*/ 1617 #define V4L2_SLICED_VPS (0x0400) 1618 /* Closed Caption, defined on EIA-608 */ 1619 #define V4L2_SLICED_CAPTION_525 (0x1000) 1620 /* Wide Screen System, defined on ITU-R BT1119.1 */ 1621 #define V4L2_SLICED_WSS_625 (0x4000) 1622 1623 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 1624 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 1625 1626 struct v4l2_sliced_vbi_cap { 1627 __u16 service_set; 1628 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1629 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1630 (equals frame lines 313-336 for 625 line video 1631 standards, 263-286 for 525 line standards) */ 1632 __u16 service_lines[2][24]; 1633 __u32 type; /* enum v4l2_buf_type */ 1634 __u32 reserved[3]; /* must be 0 */ 1635 }; 1636 1637 struct v4l2_sliced_vbi_data { 1638 __u32 id; 1639 __u32 field; /* 0: first field, 1: second field */ 1640 __u32 line; /* 1-23 */ 1641 __u32 reserved; /* must be 0 */ 1642 __u8 data[48]; 1643 }; 1644 1645 /* 1646 * Sliced VBI data inserted into MPEG Streams 1647 */ 1648 1649 /* 1650 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 1651 * 1652 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 1653 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 1654 * data 1655 * 1656 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 1657 * definitions are not included here. See the MPEG-2 specifications for details 1658 * on these headers. 1659 */ 1660 1661 /* Line type IDs */ 1662 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 1663 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 1664 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 1665 #define V4L2_MPEG_VBI_IVTV_VPS (7) 1666 1667 struct v4l2_mpeg_vbi_itv0_line { 1668 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 1669 __u8 data[42]; /* Sliced VBI data for the line */ 1670 } __attribute__ ((packed)); 1671 1672 struct v4l2_mpeg_vbi_itv0 { 1673 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 1674 struct v4l2_mpeg_vbi_itv0_line line[35]; 1675 } __attribute__ ((packed)); 1676 1677 struct v4l2_mpeg_vbi_ITV0 { 1678 struct v4l2_mpeg_vbi_itv0_line line[36]; 1679 } __attribute__ ((packed)); 1680 1681 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 1682 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 1683 1684 struct v4l2_mpeg_vbi_fmt_ivtv { 1685 __u8 magic[4]; 1686 union { 1687 struct v4l2_mpeg_vbi_itv0 itv0; 1688 struct v4l2_mpeg_vbi_ITV0 ITV0; 1689 }; 1690 } __attribute__ ((packed)); 1691 1692 /* 1693 * A G G R E G A T E S T R U C T U R E S 1694 */ 1695 1696 /** 1697 * struct v4l2_plane_pix_format - additional, per-plane format definition 1698 * @sizeimage: maximum size in bytes required for data, for which 1699 * this plane will be used 1700 * @bytesperline: distance in bytes between the leftmost pixels in two 1701 * adjacent lines 1702 */ 1703 struct v4l2_plane_pix_format { 1704 __u32 sizeimage; 1705 __u16 bytesperline; 1706 __u16 reserved[7]; 1707 } __attribute__ ((packed)); 1708 1709 /** 1710 * struct v4l2_pix_format_mplane - multiplanar format definition 1711 * @width: image width in pixels 1712 * @height: image height in pixels 1713 * @pixelformat: little endian four character code (fourcc) 1714 * @field: enum v4l2_field; field order (for interlaced video) 1715 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 1716 * @plane_fmt: per-plane information 1717 * @num_planes: number of planes for this format 1718 */ 1719 struct v4l2_pix_format_mplane { 1720 __u32 width; 1721 __u32 height; 1722 __u32 pixelformat; 1723 __u32 field; 1724 __u32 colorspace; 1725 1726 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 1727 __u8 num_planes; 1728 __u8 reserved[11]; 1729 } __attribute__ ((packed)); 1730 1731 /** 1732 * struct v4l2_format - stream data format 1733 * @type: enum v4l2_buf_type; type of the data stream 1734 * @pix: definition of an image format 1735 * @pix_mp: definition of a multiplanar image format 1736 * @win: definition of an overlaid image 1737 * @vbi: raw VBI capture or output parameters 1738 * @sliced: sliced VBI capture or output parameters 1739 * @raw_data: placeholder for future extensions and custom formats 1740 */ 1741 struct v4l2_format { 1742 __u32 type; 1743 union { 1744 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 1745 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 1746 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 1747 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 1748 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 1749 __u8 raw_data[200]; /* user-defined */ 1750 } fmt; 1751 }; 1752 1753 /* Stream type-dependent parameters 1754 */ 1755 struct v4l2_streamparm { 1756 __u32 type; /* enum v4l2_buf_type */ 1757 union { 1758 struct v4l2_captureparm capture; 1759 struct v4l2_outputparm output; 1760 __u8 raw_data[200]; /* user-defined */ 1761 } parm; 1762 }; 1763 1764 /* 1765 * E V E N T S 1766 */ 1767 1768 #define V4L2_EVENT_ALL 0 1769 #define V4L2_EVENT_VSYNC 1 1770 #define V4L2_EVENT_EOS 2 1771 #define V4L2_EVENT_CTRL 3 1772 #define V4L2_EVENT_FRAME_SYNC 4 1773 #define V4L2_EVENT_PRIVATE_START 0x08000000 1774 1775 #define V4L2_EVENT_MSM_VIDC_START (V4L2_EVENT_PRIVATE_START + 0x00001000) 1776 #define V4L2_EVENT_MSM_VIDC_FLUSH_DONE (V4L2_EVENT_MSM_VIDC_START + 1) 1777 #define V4L2_EVENT_MSM_VIDC_PORT_SETTINGS_CHANGED_SUFFICIENT \ 1778 (V4L2_EVENT_MSM_VIDC_START + 2) 1779 #define V4L2_EVENT_MSM_VIDC_PORT_SETTINGS_CHANGED_INSUFFICIENT \ 1780 (V4L2_EVENT_MSM_VIDC_START + 3) 1781 #define V4L2_EVENT_MSM_VIDC_CLOSE_DONE (V4L2_EVENT_MSM_VIDC_START + 4) 1782 #define V4L2_EVENT_MSM_VIDC_SYS_ERROR (V4L2_EVENT_MSM_VIDC_START + 5) 1783 #define V4L2_EVENT_MSM_VIDC_RELEASE_BUFFER_REFERENCE \ 1784 (V4L2_EVENT_MSM_VIDC_START + 6) 1785 #define V4L2_EVENT_MSM_VIDC_RELEASE_UNQUEUED_BUFFER \ 1786 (V4L2_EVENT_MSM_VIDC_START + 7) 1787 #define V4L2_EVENT_MSM_VIDC_HW_OVERLOAD (V4L2_EVENT_MSM_VIDC_START + 8) 1788 #define V4L2_EVENT_MSM_VIDC_MAX_CLIENTS (V4L2_EVENT_MSM_VIDC_START + 9) 1789 #define V4L2_EVENT_MSM_VIDC_HW_UNSUPPORTED (V4L2_EVENT_MSM_VIDC_START + 10) 1790 1791 /* Payload for V4L2_EVENT_VSYNC */ 1792 struct v4l2_event_vsync { 1793 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 1794 __u8 field; 1795 } __attribute__ ((packed)); 1796 1797 /* Payload for V4L2_EVENT_CTRL */ 1798 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 1799 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 1800 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 1801 1802 struct v4l2_event_ctrl { 1803 __u32 changes; 1804 __u32 type; 1805 union { 1806 __s32 value; 1807 __s64 value64; 1808 }; 1809 __u32 flags; 1810 __s32 minimum; 1811 __s32 maximum; 1812 __s32 step; 1813 __s32 default_value; 1814 }; 1815 1816 struct v4l2_event_frame_sync { 1817 __u32 frame_sequence; 1818 }; 1819 1820 struct v4l2_event { 1821 __u32 type; 1822 union { 1823 struct v4l2_event_vsync vsync; 1824 struct v4l2_event_ctrl ctrl; 1825 struct v4l2_event_frame_sync frame_sync; 1826 __u8 data[64]; 1827 } u; 1828 __u32 pending; 1829 __u32 sequence; 1830 struct timespec timestamp; 1831 __u32 id; 1832 __u32 reserved[8]; 1833 }; 1834 1835 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 1836 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 1837 1838 struct v4l2_event_subscription { 1839 __u32 type; 1840 __u32 id; 1841 __u32 flags; 1842 __u32 reserved[5]; 1843 }; 1844 1845 /* 1846 * A D V A N C E D D E B U G G I N G 1847 * 1848 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 1849 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 1850 */ 1851 1852 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 1853 1854 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 1855 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 1856 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 1857 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 1858 #define V4L2_CHIP_MATCH_AC97 3 /* Match against anciliary AC97 chip */ 1859 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 1860 1861 struct v4l2_dbg_match { 1862 __u32 type; /* Match type */ 1863 union { /* Match this chip, meaning determined by type */ 1864 __u32 addr; 1865 char name[32]; 1866 }; 1867 } __attribute__ ((packed)); 1868 1869 struct v4l2_dbg_register { 1870 struct v4l2_dbg_match match; 1871 __u32 size; /* register size in bytes */ 1872 __u64 reg; 1873 __u64 val; 1874 } __attribute__ ((packed)); 1875 1876 /* VIDIOC_DBG_G_CHIP_IDENT */ 1877 struct v4l2_dbg_chip_ident { 1878 struct v4l2_dbg_match match; 1879 __u32 ident; /* chip identifier as specified in <media/v4l2-chip-ident.h> */ 1880 __u32 revision; /* chip revision, chip specific */ 1881 } __attribute__ ((packed)); 1882 1883 #define V4L2_CHIP_FL_READABLE (1 << 0) 1884 #define V4L2_CHIP_FL_WRITABLE (1 << 1) 1885 1886 /* VIDIOC_DBG_G_CHIP_INFO */ 1887 struct v4l2_dbg_chip_info { 1888 struct v4l2_dbg_match match; 1889 char name[32]; 1890 __u32 flags; 1891 __u32 reserved[32]; 1892 } __attribute__ ((packed)); 1893 1894 /** 1895 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 1896 * @index: on return, index of the first created buffer 1897 * @count: entry: number of requested buffers, 1898 * return: number of created buffers 1899 * @memory: enum v4l2_memory; buffer memory type 1900 * @format: frame format, for which buffers are requested 1901 * @reserved: future extensions 1902 */ 1903 struct v4l2_create_buffers { 1904 __u32 index; 1905 __u32 count; 1906 __u32 memory; 1907 struct v4l2_format format; 1908 __u32 reserved[8]; 1909 }; 1910 1911 /* 1912 * 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 1913 * 1914 */ 1915 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 1916 #define VIDIOC_RESERVED _IO('V', 1) 1917 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 1918 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 1919 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 1920 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 1921 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 1922 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 1923 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 1924 #define VIDIOC_OVERLAY _IOW('V', 14, int) 1925 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 1926 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 1927 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 1928 #define VIDIOC_STREAMON _IOW('V', 18, int) 1929 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 1930 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 1931 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 1932 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 1933 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 1934 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 1935 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 1936 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 1937 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 1938 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 1939 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 1940 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 1941 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 1942 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 1943 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 1944 #define VIDIOC_G_INPUT _IOR('V', 38, int) 1945 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 1946 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 1947 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 1948 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 1949 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 1950 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 1951 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 1952 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 1953 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 1954 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 1955 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 1956 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 1957 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 1958 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 1959 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 1960 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 1961 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 1962 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 1963 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 1964 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 1965 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 1966 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 1967 #define VIDIOC_LOG_STATUS _IO('V', 70) 1968 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 1969 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 1970 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 1971 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 1972 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 1973 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 1974 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 1975 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 1976 1977 /* Experimental, meant for debugging, testing and internal use. 1978 Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 1979 You must be root to use these ioctls. Never use these in applications! */ 1980 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 1981 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 1982 1983 /* Experimental, meant for debugging, testing and internal use. 1984 Never use this ioctl in applications! 1985 Note: this ioctl is deprecated in favor of VIDIOC_DBG_G_CHIP_INFO and 1986 will go away in the future. */ 1987 #define VIDIOC_DBG_G_CHIP_IDENT _IOWR('V', 81, struct v4l2_dbg_chip_ident) 1988 1989 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 1990 1991 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 1992 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 1993 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 1994 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 1995 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 1996 1997 /* Experimental, the below two ioctls may change over the next couple of kernel 1998 versions */ 1999 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2000 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2001 2002 /* Experimental selection API */ 2003 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2004 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2005 2006 /* Experimental, these two ioctls may change over the next couple of kernel 2007 versions. */ 2008 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2009 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2010 2011 /* Experimental, these three ioctls may change over the next couple of kernel 2012 versions. */ 2013 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2014 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2015 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2016 2017 /* Experimental, this ioctl may change over the next couple of kernel 2018 versions. */ 2019 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2020 2021 /* Experimental, meant for debugging, testing and internal use. 2022 Never use these in applications! */ 2023 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2024 2025 /* Reminder: when adding new ioctls please add support for them to 2026 drivers/media/video/v4l2-compat-ioctl32.c as well! */ 2027 2028 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2029 2030 #endif /* _UAPI__LINUX_VIDEODEV2_H */ 2031
