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