1 /* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */ 2 /* 3 * Video for Linux Two header file 4 * 5 * Copyright (C) 1999-2012 the contributors 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * Alternatively you can redistribute this file under the terms of the 18 * BSD license as stated below: 19 * 20 * Redistribution and use in source and binary forms, with or without 21 * modification, are permitted provided that the following conditions 22 * are met: 23 * 1. Redistributions of source code must retain the above copyright 24 * notice, this list of conditions and the following disclaimer. 25 * 2. Redistributions in binary form must reproduce the above copyright 26 * notice, this list of conditions and the following disclaimer in 27 * the documentation and/or other materials provided with the 28 * distribution. 29 * 3. The names of its contributors may not be used to endorse or promote 30 * products derived from this software without specific prior written 31 * permission. 32 * 33 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 34 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 35 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 36 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 37 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 38 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 39 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 40 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 41 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 42 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 43 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 44 * 45 * Header file for v4l or V4L2 drivers and applications 46 * with public API. 47 * All kernel-specific stuff were moved to media/v4l2-dev.h, so 48 * no #if __KERNEL tests are allowed here 49 * 50 * See http://linuxtv.org for more info 51 * 52 * Author: Bill Dirks <bill@thedirks.org> 53 * Justin Schoeman 54 * Hans Verkuil <hverkuil@xs4all.nl> 55 * et al. 56 */ 57 #ifndef _UAPI__LINUX_VIDEODEV2_H 58 #define _UAPI__LINUX_VIDEODEV2_H 59 60 #ifndef __KERNEL__ 61 #include <sys/time.h> 62 #endif 63 //#include <linux/compiler.h> 64 #include <linux/ioctl.h> 65 #include <linux/types.h> 66 #include "v4l2-common.h" 67 #include "v4l2-controls.h" 68 69 /* 70 * Common stuff for both V4L1 and V4L2 71 * Moved from videodev.h 72 */ 73 #define VIDEO_MAX_FRAME 32 74 #define VIDEO_MAX_PLANES 8 75 76 #ifndef __KERNEL__ 77 78 /* These defines are V4L1 specific and should not be used with the V4L2 API! 79 They will be removed from this header in the future. */ 80 81 #define VID_TYPE_CAPTURE 1 /* Can capture */ 82 #define VID_TYPE_TUNER 2 /* Can tune */ 83 #define VID_TYPE_TELETEXT 4 /* Does teletext */ 84 #define VID_TYPE_OVERLAY 8 /* Overlay onto frame buffer */ 85 #define VID_TYPE_CHROMAKEY 16 /* Overlay by chromakey */ 86 #define VID_TYPE_CLIPPING 32 /* Can clip */ 87 #define VID_TYPE_FRAMERAM 64 /* Uses the frame buffer memory */ 88 #define VID_TYPE_SCALES 128 /* Scalable */ 89 #define VID_TYPE_MONOCHROME 256 /* Monochrome only */ 90 #define VID_TYPE_SUBCAPTURE 512 /* Can capture subareas of the image */ 91 #define VID_TYPE_MPEG_DECODER 1024 /* Can decode MPEG streams */ 92 #define VID_TYPE_MPEG_ENCODER 2048 /* Can encode MPEG streams */ 93 #define VID_TYPE_MJPEG_DECODER 4096 /* Can decode MJPEG streams */ 94 #define VID_TYPE_MJPEG_ENCODER 8192 /* Can encode MJPEG streams */ 95 #endif 96 97 /* 98 * M I S C E L L A N E O U S 99 */ 100 101 /* Four-character-code (FOURCC) */ 102 #define v4l2_fourcc(a, b, c, d)\ 103 ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24)) 104 105 /* 106 * E N U M S 107 */ 108 enum v4l2_field { 109 V4L2_FIELD_ANY = 0, /* driver can choose from none, 110 top, bottom, interlaced 111 depending on whatever it thinks 112 is approximate ... */ 113 V4L2_FIELD_NONE = 1, /* this device has no fields ... */ 114 V4L2_FIELD_TOP = 2, /* top field only */ 115 V4L2_FIELD_BOTTOM = 3, /* bottom field only */ 116 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */ 117 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one 118 buffer, top-bottom order */ 119 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */ 120 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into 121 separate buffers */ 122 V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field 123 first and the top field is 124 transmitted first */ 125 V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field 126 first and the bottom field is 127 transmitted first */ 128 }; 129 #define V4L2_FIELD_HAS_TOP(field) \ 130 ((field) == V4L2_FIELD_TOP ||\ 131 (field) == V4L2_FIELD_INTERLACED ||\ 132 (field) == V4L2_FIELD_INTERLACED_TB ||\ 133 (field) == V4L2_FIELD_INTERLACED_BT ||\ 134 (field) == V4L2_FIELD_SEQ_TB ||\ 135 (field) == V4L2_FIELD_SEQ_BT) 136 #define V4L2_FIELD_HAS_BOTTOM(field) \ 137 ((field) == V4L2_FIELD_BOTTOM ||\ 138 (field) == V4L2_FIELD_INTERLACED ||\ 139 (field) == V4L2_FIELD_INTERLACED_TB ||\ 140 (field) == V4L2_FIELD_INTERLACED_BT ||\ 141 (field) == V4L2_FIELD_SEQ_TB ||\ 142 (field) == V4L2_FIELD_SEQ_BT) 143 #define V4L2_FIELD_HAS_BOTH(field) \ 144 ((field) == V4L2_FIELD_INTERLACED ||\ 145 (field) == V4L2_FIELD_INTERLACED_TB ||\ 146 (field) == V4L2_FIELD_INTERLACED_BT ||\ 147 (field) == V4L2_FIELD_SEQ_TB ||\ 148 (field) == V4L2_FIELD_SEQ_BT) 149 150 enum v4l2_buf_type { 151 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, 152 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, 153 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, 154 V4L2_BUF_TYPE_VBI_CAPTURE = 4, 155 V4L2_BUF_TYPE_VBI_OUTPUT = 5, 156 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6, 157 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7, 158 #if 1 159 /* Experimental */ 160 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8, 161 #endif 162 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9, 163 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10, 164 /* Deprecated, do not use */ 165 V4L2_BUF_TYPE_PRIVATE = 0x80, 166 }; 167 168 #define V4L2_TYPE_IS_MULTIPLANAR(type) \ 169 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \ 170 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 171 172 #define V4L2_TYPE_IS_OUTPUT(type) \ 173 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \ 174 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \ 175 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \ 176 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \ 177 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \ 178 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT) 179 180 enum v4l2_tuner_type { 181 V4L2_TUNER_RADIO = 1, 182 V4L2_TUNER_ANALOG_TV = 2, 183 V4L2_TUNER_DIGITAL_TV = 3, 184 }; 185 186 enum v4l2_memory { 187 V4L2_MEMORY_MMAP = 1, 188 V4L2_MEMORY_USERPTR = 2, 189 V4L2_MEMORY_OVERLAY = 3, 190 V4L2_MEMORY_DMABUF = 4, 191 }; 192 193 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 194 enum v4l2_colorspace { 195 /* ITU-R 601 -- broadcast NTSC/PAL */ 196 V4L2_COLORSPACE_SMPTE170M = 1, 197 198 /* 1125-Line (US) HDTV */ 199 V4L2_COLORSPACE_SMPTE240M = 2, 200 201 /* HD and modern captures. */ 202 V4L2_COLORSPACE_REC709 = 3, 203 204 /* broken BT878 extents (601, luma range 16-253 instead of 16-235) */ 205 V4L2_COLORSPACE_BT878 = 4, 206 207 /* These should be useful. Assume 601 extents. */ 208 V4L2_COLORSPACE_470_SYSTEM_M = 5, 209 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 210 211 /* I know there will be cameras that send this. So, this is 212 * unspecified chromaticities and full 0-255 on each of the 213 * Y'CbCr components 214 */ 215 V4L2_COLORSPACE_JPEG = 7, 216 217 /* For RGB colourspaces, this is probably a good start. */ 218 V4L2_COLORSPACE_SRGB = 8, 219 }; 220 221 enum v4l2_priority { 222 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 223 V4L2_PRIORITY_BACKGROUND = 1, 224 V4L2_PRIORITY_INTERACTIVE = 2, 225 V4L2_PRIORITY_RECORD = 3, 226 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 227 }; 228 229 struct v4l2_rect { 230 __s32 left; 231 __s32 top; 232 __s32 width; 233 __s32 height; 234 }; 235 236 struct v4l2_fract { 237 __u32 numerator; 238 __u32 denominator; 239 }; 240 241 /** 242 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 243 * 244 * @driver: name of the driver module (e.g. "bttv") 245 * @card: name of the card (e.g. "Hauppauge WinTV") 246 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 247 * @version: KERNEL_VERSION 248 * @capabilities: capabilities of the physical device as a whole 249 * @device_caps: capabilities accessed via this particular device (node) 250 * @reserved: reserved fields for future extensions 251 */ 252 struct v4l2_capability { 253 __u8 driver[16]; 254 __u8 card[32]; 255 __u8 bus_info[32]; 256 __u32 version; 257 __u32 capabilities; 258 __u32 device_caps; 259 __u32 reserved[3]; 260 }; 261 262 /* Values for 'capabilities' field */ 263 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 264 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 265 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 266 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 267 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 268 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 269 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 270 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 271 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 272 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 273 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 274 275 /* Is a video capture device that supports multiplanar formats */ 276 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 277 /* Is a video output device that supports multiplanar formats */ 278 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 279 /* Is a video mem-to-mem device that supports multiplanar formats */ 280 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 281 /* Is a video mem-to-mem device */ 282 #define V4L2_CAP_VIDEO_M2M 0x00008000 283 284 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 285 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 286 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 287 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 288 289 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 290 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 291 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 292 293 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 294 295 /* 296 * V I D E O I M A G E F O R M A T 297 */ 298 struct v4l2_pix_format { 299 __u32 width; 300 __u32 height; 301 __u32 pixelformat; 302 __u32 field; /* enum v4l2_field */ 303 __u32 bytesperline; /* for padding, zero if unused */ 304 __u32 sizeimage; 305 __u32 colorspace; /* enum v4l2_colorspace */ 306 __u32 priv; /* private data, depends on pixelformat */ 307 }; 308 309 /* Pixel format FOURCC depth Description */ 310 311 /* RGB formats */ 312 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 313 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 314 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 315 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 316 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 317 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 318 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 319 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 320 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 321 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 322 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 323 324 /* Grey formats */ 325 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 326 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 327 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 328 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 329 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 330 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 331 332 /* Grey bit-packed formats */ 333 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 334 335 /* Palette formats */ 336 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 337 338 /* Luminance+Chrominance formats */ 339 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 340 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 341 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 342 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 343 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 344 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 345 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 346 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 347 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 16 YVU411 planar */ 348 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 349 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 350 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 351 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 352 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 353 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 354 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 355 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */ 356 #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */ 357 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 358 359 /* two planes -- one Y, one Cr + Cb interleaved */ 360 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 361 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 362 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 363 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 364 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 365 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 366 367 /* two non contiguous planes - one Y, one Cr + Cb interleaved */ 368 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 369 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 370 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */ 371 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */ 372 373 /* three non contiguous planes - Y, Cb, Cr */ 374 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 375 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 376 377 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 378 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 379 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 380 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 381 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 382 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 383 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 384 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 385 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 386 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 387 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 388 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 389 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 390 /* 10bit raw bayer DPCM compressed to 8 bits */ 391 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 392 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 393 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 394 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 395 /* 396 * 10bit raw bayer, expanded to 16 bits 397 * xxxxrrrrrrrrrrxxxxgggggggggg xxxxggggggggggxxxxbbbbbbbbbb... 398 */ 399 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 400 401 /* compressed formats */ 402 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 403 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 404 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 405 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 406 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 407 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 408 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 409 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 410 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 411 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 412 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 ES */ 413 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 414 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 415 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 416 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 417 418 /* Vendor-specific formats */ 419 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 420 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 421 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 422 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 423 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 424 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 425 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 426 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 427 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 428 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 429 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 430 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 431 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 432 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 433 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 434 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 435 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 436 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 437 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 438 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 439 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 440 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 441 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 442 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 443 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 444 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 445 446 /* 447 * F O R M A T E N U M E R A T I O N 448 */ 449 struct v4l2_fmtdesc { 450 __u32 index; /* Format number */ 451 __u32 type; /* enum v4l2_buf_type */ 452 __u32 flags; 453 __u8 description[32]; /* Description string */ 454 __u32 pixelformat; /* Format fourcc */ 455 __u32 reserved[4]; 456 }; 457 458 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 459 #define V4L2_FMT_FLAG_EMULATED 0x0002 460 461 #if 1 462 /* Experimental Frame Size and frame rate enumeration */ 463 /* 464 * F R A M E S I Z E E N U M E R A T I O N 465 */ 466 enum v4l2_frmsizetypes { 467 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 468 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 469 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 470 }; 471 472 struct v4l2_frmsize_discrete { 473 __u32 width; /* Frame width [pixel] */ 474 __u32 height; /* Frame height [pixel] */ 475 }; 476 477 struct v4l2_frmsize_stepwise { 478 __u32 min_width; /* Minimum frame width [pixel] */ 479 __u32 max_width; /* Maximum frame width [pixel] */ 480 __u32 step_width; /* Frame width step size [pixel] */ 481 __u32 min_height; /* Minimum frame height [pixel] */ 482 __u32 max_height; /* Maximum frame height [pixel] */ 483 __u32 step_height; /* Frame height step size [pixel] */ 484 }; 485 486 struct v4l2_frmsizeenum { 487 __u32 index; /* Frame size number */ 488 __u32 pixel_format; /* Pixel format */ 489 __u32 type; /* Frame size type the device supports. */ 490 491 union { /* Frame size */ 492 struct v4l2_frmsize_discrete discrete; 493 struct v4l2_frmsize_stepwise stepwise; 494 }; 495 496 __u32 reserved[2]; /* Reserved space for future use */ 497 }; 498 499 /* 500 * F R A M E R A T E E N U M E R A T I O N 501 */ 502 enum v4l2_frmivaltypes { 503 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 504 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 505 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 506 }; 507 508 struct v4l2_frmival_stepwise { 509 struct v4l2_fract min; /* Minimum frame interval [s] */ 510 struct v4l2_fract max; /* Maximum frame interval [s] */ 511 struct v4l2_fract step; /* Frame interval step size [s] */ 512 }; 513 514 struct v4l2_frmivalenum { 515 __u32 index; /* Frame format index */ 516 __u32 pixel_format; /* Pixel format */ 517 __u32 width; /* Frame width */ 518 __u32 height; /* Frame height */ 519 __u32 type; /* Frame interval type the device supports. */ 520 521 union { /* Frame interval */ 522 struct v4l2_fract discrete; 523 struct v4l2_frmival_stepwise stepwise; 524 }; 525 526 __u32 reserved[2]; /* Reserved space for future use */ 527 }; 528 #endif 529 530 /* 531 * T I M E C O D E 532 */ 533 struct v4l2_timecode { 534 __u32 type; 535 __u32 flags; 536 __u8 frames; 537 __u8 seconds; 538 __u8 minutes; 539 __u8 hours; 540 __u8 userbits[4]; 541 }; 542 543 /* Type */ 544 #define V4L2_TC_TYPE_24FPS 1 545 #define V4L2_TC_TYPE_25FPS 2 546 #define V4L2_TC_TYPE_30FPS 3 547 #define V4L2_TC_TYPE_50FPS 4 548 #define V4L2_TC_TYPE_60FPS 5 549 550 /* Flags */ 551 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 552 #define V4L2_TC_FLAG_COLORFRAME 0x0002 553 #define V4L2_TC_USERBITS_field 0x000C 554 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 555 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 556 /* The above is based on SMPTE timecodes */ 557 558 struct v4l2_jpegcompression { 559 int quality; 560 561 int APPn; /* Number of APP segment to be written, 562 * must be 0..15 */ 563 int APP_len; /* Length of data in JPEG APPn segment */ 564 char APP_data[60]; /* Data in the JPEG APPn segment. */ 565 566 int COM_len; /* Length of data in JPEG COM segment */ 567 char COM_data[60]; /* Data in JPEG COM segment */ 568 569 __u32 jpeg_markers; /* Which markers should go into the JPEG 570 * output. Unless you exactly know what 571 * you do, leave them untouched. 572 * Inluding less markers will make the 573 * resulting code smaller, but there will 574 * be fewer applications which can read it. 575 * The presence of the APP and COM marker 576 * is influenced by APP_len and COM_len 577 * ONLY, not by this property! */ 578 579 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 580 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 581 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 582 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 583 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 584 * allways use APP0 */ 585 }; 586 587 /* 588 * M E M O R Y - M A P P I N G B U F F E R S 589 */ 590 struct v4l2_requestbuffers { 591 __u32 count; 592 __u32 type; /* enum v4l2_buf_type */ 593 __u32 memory; /* enum v4l2_memory */ 594 __u32 reserved[2]; 595 }; 596 597 /** 598 * struct v4l2_plane - plane info for multi-planar buffers 599 * @bytesused: number of bytes occupied by data in the plane (payload) 600 * @length: size of this plane (NOT the payload) in bytes 601 * @mem_offset: when memory in the associated struct v4l2_buffer is 602 * V4L2_MEMORY_MMAP, equals the offset from the start of 603 * the device memory for this plane (or is a "cookie" that 604 * should be passed to mmap() called on the video node) 605 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 606 * pointing to this plane 607 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 608 * descriptor associated with this plane 609 * @data_offset: offset in the plane to the start of data; usually 0, 610 * unless there is a header in front of the data 611 * 612 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 613 * with two planes can have one plane for Y, and another for interleaved CbCr 614 * components. Each plane can reside in a separate memory buffer, or even in 615 * a completely separate memory node (e.g. in embedded devices). 616 */ 617 struct v4l2_plane { 618 __u32 bytesused; 619 __u32 length; 620 union { 621 __u32 mem_offset; 622 unsigned long userptr; 623 __s32 fd; 624 } m; 625 __u32 data_offset; 626 __u32 reserved[11]; 627 }; 628 629 /** 630 * struct v4l2_buffer - video buffer info 631 * @index: id number of the buffer 632 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 633 * multiplanar buffers); 634 * @bytesused: number of bytes occupied by data in the buffer (payload); 635 * unused (set to 0) for multiplanar buffers 636 * @flags: buffer informational flags 637 * @field: enum v4l2_field; field order of the image in the buffer 638 * @timestamp: frame timestamp 639 * @timecode: frame timecode 640 * @sequence: sequence count of this frame 641 * @memory: enum v4l2_memory; the method, in which the actual video data is 642 * passed 643 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 644 * offset from the start of the device memory for this plane, 645 * (or a "cookie" that should be passed to mmap() as offset) 646 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 647 * a userspace pointer pointing to this buffer 648 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 649 * a userspace file descriptor associated with this buffer 650 * @planes: for multiplanar buffers; userspace pointer to the array of plane 651 * info structs for this buffer 652 * @length: size in bytes of the buffer (NOT its payload) for single-plane 653 * buffers (when type != *_MPLANE); number of elements in the 654 * planes array for multi-plane buffers 655 * @input: input number from which the video data has has been captured 656 * 657 * Contains data exchanged by application and driver using one of the Streaming 658 * I/O methods. 659 */ 660 struct v4l2_buffer { 661 __u32 index; 662 __u32 type; 663 __u32 bytesused; 664 __u32 flags; 665 __u32 field; 666 struct timeval timestamp; 667 struct v4l2_timecode timecode; 668 __u32 sequence; 669 670 /* memory location */ 671 __u32 memory; 672 union { 673 __u32 offset; 674 unsigned long userptr; 675 struct v4l2_plane *planes; 676 __s32 fd; 677 } m; 678 __u32 length; 679 __u32 reserved2; 680 __u32 reserved; 681 }; 682 683 /* Flags for 'flags' field */ 684 #define V4L2_BUF_FLAG_MAPPED 0x0001 /* Buffer is mapped (flag) */ 685 #define V4L2_BUF_FLAG_QUEUED 0x0002 /* Buffer is queued for processing */ 686 #define V4L2_BUF_FLAG_DONE 0x0004 /* Buffer is ready */ 687 #define V4L2_BUF_FLAG_KEYFRAME 0x0008 /* Image is a keyframe (I-frame) */ 688 #define V4L2_BUF_FLAG_PFRAME 0x0010 /* Image is a P-frame */ 689 #define V4L2_BUF_FLAG_BFRAME 0x0020 /* Image is a B-frame */ 690 /* Buffer is ready, but the data contained within is corrupted. */ 691 #define V4L2_BUF_FLAG_ERROR 0x0040 692 #define V4L2_BUF_FLAG_TIMECODE 0x0100 /* timecode field is valid */ 693 #define V4L2_BUF_FLAG_PREPARED 0x0400 /* Buffer is prepared for queuing */ 694 /* Cache handling flags */ 695 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x0800 696 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x1000 697 698 /** 699 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 700 * 701 * @index: id number of the buffer 702 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 703 * multiplanar buffers); 704 * @plane: index of the plane to be exported, 0 for single plane queues 705 * @flags: flags for newly created file, currently only O_CLOEXEC is 706 * supported, refer to manual of open syscall for more details 707 * @fd: file descriptor associated with DMABUF (set by driver) 708 * 709 * Contains data used for exporting a video buffer as DMABUF file descriptor. 710 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 711 * (identical to the cookie used to mmap() the buffer to userspace). All 712 * reserved fields must be set to zero. The field reserved0 is expected to 713 * become a structure 'type' allowing an alternative layout of the structure 714 * content. Therefore this field should not be used for any other extensions. 715 */ 716 struct v4l2_exportbuffer { 717 __u32 type; /* enum v4l2_buf_type */ 718 __u32 index; 719 __u32 plane; 720 __u32 flags; 721 __s32 fd; 722 __u32 reserved[11]; 723 }; 724 725 /* 726 * O V E R L A Y P R E V I E W 727 */ 728 struct v4l2_framebuffer { 729 __u32 capability; 730 __u32 flags; 731 /* FIXME: in theory we should pass something like PCI device + memory 732 * region + offset instead of some physical address */ 733 void *base; 734 struct v4l2_pix_format fmt; 735 }; 736 /* Flags for the 'capability' field. Read only */ 737 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 738 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 739 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 740 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 741 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 742 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 743 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 744 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 745 /* Flags for the 'flags' field. */ 746 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 747 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 748 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 749 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 750 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 751 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 752 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 753 754 # define __user __attribute__((noderef, address_space(1))) 755 756 struct v4l2_clip { 757 struct v4l2_rect c; 758 struct v4l2_clip __user *next; 759 }; 760 761 struct v4l2_window { 762 struct v4l2_rect w; 763 __u32 field; /* enum v4l2_field */ 764 __u32 chromakey; 765 struct v4l2_clip __user *clips; 766 __u32 clipcount; 767 void __user *bitmap; 768 __u8 global_alpha; 769 }; 770 771 /* 772 * C A P T U R E P A R A M E T E R S 773 */ 774 struct v4l2_captureparm { 775 __u32 capability; /* Supported modes */ 776 __u32 capturemode; /* Current mode */ 777 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 778 __u32 extendedmode; /* Driver-specific extensions */ 779 __u32 readbuffers; /* # of buffers for read */ 780 __u32 reserved[4]; 781 }; 782 783 /* Flags for 'capability' and 'capturemode' fields */ 784 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 785 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 786 787 struct v4l2_outputparm { 788 __u32 capability; /* Supported modes */ 789 __u32 outputmode; /* Current mode */ 790 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 791 __u32 extendedmode; /* Driver-specific extensions */ 792 __u32 writebuffers; /* # of buffers for write */ 793 __u32 reserved[4]; 794 }; 795 796 /* 797 * I N P U T I M A G E C R O P P I N G 798 */ 799 struct v4l2_cropcap { 800 __u32 type; /* enum v4l2_buf_type */ 801 struct v4l2_rect bounds; 802 struct v4l2_rect defrect; 803 struct v4l2_fract pixelaspect; 804 }; 805 806 struct v4l2_crop { 807 __u32 type; /* enum v4l2_buf_type */ 808 struct v4l2_rect c; 809 }; 810 811 /** 812 * struct v4l2_selection - selection info 813 * @type: buffer type (do not use *_MPLANE types) 814 * @target: Selection target, used to choose one of possible rectangles; 815 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 816 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 817 * @r: coordinates of selection window 818 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 819 * 820 * Hardware may use multiple helper windows to process a video stream. 821 * The structure is used to exchange this selection areas between 822 * an application and a driver. 823 */ 824 struct v4l2_selection { 825 __u32 type; 826 __u32 target; 827 __u32 flags; 828 struct v4l2_rect r; 829 __u32 reserved[9]; 830 }; 831 832 833 /* 834 * A N A L O G V I D E O S T A N D A R D 835 */ 836 837 typedef __u64 v4l2_std_id; 838 839 /* one bit for each */ 840 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 841 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 842 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 843 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 844 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 845 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 846 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 847 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 848 849 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 850 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 851 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 852 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 853 854 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 855 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 856 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 857 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 858 859 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 860 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 861 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 862 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 863 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 864 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 865 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 866 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 867 868 /* ATSC/HDTV */ 869 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 870 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 871 872 /* FIXME: 873 Although std_id is 64 bits, there is an issue on PPC32 architecture that 874 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 875 this value to 32 bits. 876 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 877 it should work fine. However, if needed to add more than two standards, 878 v4l2-common.c should be fixed. 879 */ 880 881 /* 882 * Some macros to merge video standards in order to make live easier for the 883 * drivers and V4L2 applications 884 */ 885 886 /* 887 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 888 * Missing here. 889 */ 890 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 891 V4L2_STD_NTSC_M_JP |\ 892 V4L2_STD_NTSC_M_KR) 893 /* Secam macros */ 894 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 895 V4L2_STD_SECAM_K |\ 896 V4L2_STD_SECAM_K1) 897 /* All Secam Standards */ 898 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 899 V4L2_STD_SECAM_G |\ 900 V4L2_STD_SECAM_H |\ 901 V4L2_STD_SECAM_DK |\ 902 V4L2_STD_SECAM_L |\ 903 V4L2_STD_SECAM_LC) 904 /* PAL macros */ 905 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 906 V4L2_STD_PAL_B1 |\ 907 V4L2_STD_PAL_G) 908 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 909 V4L2_STD_PAL_D1 |\ 910 V4L2_STD_PAL_K) 911 /* 912 * "Common" PAL - This macro is there to be compatible with the old 913 * V4L1 concept of "PAL": /BGDKHI. 914 * Several PAL standards are mising here: /M, /N and /Nc 915 */ 916 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 917 V4L2_STD_PAL_DK |\ 918 V4L2_STD_PAL_H |\ 919 V4L2_STD_PAL_I) 920 /* Chroma "agnostic" standards */ 921 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 922 V4L2_STD_PAL_B1 |\ 923 V4L2_STD_SECAM_B) 924 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 925 V4L2_STD_SECAM_G) 926 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 927 V4L2_STD_SECAM_H) 928 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 929 V4L2_STD_SECAM_LC) 930 #define V4L2_STD_GH (V4L2_STD_G |\ 931 V4L2_STD_H) 932 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 933 V4L2_STD_SECAM_DK) 934 #define V4L2_STD_BG (V4L2_STD_B |\ 935 V4L2_STD_G) 936 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 937 V4L2_STD_PAL_N |\ 938 V4L2_STD_PAL_Nc |\ 939 V4L2_STD_NTSC) 940 941 /* Standards where MTS/BTSC stereo could be found */ 942 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 943 V4L2_STD_PAL_M |\ 944 V4L2_STD_PAL_N |\ 945 V4L2_STD_PAL_Nc) 946 947 /* Standards for Countries with 60Hz Line frequency */ 948 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 949 V4L2_STD_PAL_60 |\ 950 V4L2_STD_NTSC |\ 951 V4L2_STD_NTSC_443) 952 /* Standards for Countries with 50Hz Line frequency */ 953 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 954 V4L2_STD_PAL_N |\ 955 V4L2_STD_PAL_Nc |\ 956 V4L2_STD_SECAM) 957 958 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 959 V4L2_STD_ATSC_16_VSB) 960 /* Macros with none and all analog standards */ 961 #define V4L2_STD_UNKNOWN 0 962 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 963 V4L2_STD_625_50) 964 965 struct v4l2_standard { 966 __u32 index; 967 v4l2_std_id id; 968 __u8 name[24]; 969 struct v4l2_fract frameperiod; /* Frames, not fields */ 970 __u32 framelines; 971 __u32 reserved[4]; 972 }; 973 974 /* The DV Preset API is deprecated in favor of the DV Timings API. 975 New drivers shouldn't use this anymore! */ 976 977 /* 978 * V I D E O T I M I N G S D V P R E S E T 979 */ 980 struct v4l2_dv_preset { 981 __u32 preset; 982 __u32 reserved[4]; 983 }; 984 985 /* 986 * D V P R E S E T S E N U M E R A T I O N 987 */ 988 struct v4l2_dv_enum_preset { 989 __u32 index; 990 __u32 preset; 991 __u8 name[32]; /* Name of the preset timing */ 992 __u32 width; 993 __u32 height; 994 __u32 reserved[4]; 995 }; 996 997 /* 998 * D V P R E S E T V A L U E S 999 */ 1000 #define V4L2_DV_INVALID 0 1001 #define V4L2_DV_480P59_94 1 /* BT.1362 */ 1002 #define V4L2_DV_576P50 2 /* BT.1362 */ 1003 #define V4L2_DV_720P24 3 /* SMPTE 296M */ 1004 #define V4L2_DV_720P25 4 /* SMPTE 296M */ 1005 #define V4L2_DV_720P30 5 /* SMPTE 296M */ 1006 #define V4L2_DV_720P50 6 /* SMPTE 296M */ 1007 #define V4L2_DV_720P59_94 7 /* SMPTE 274M */ 1008 #define V4L2_DV_720P60 8 /* SMPTE 274M/296M */ 1009 #define V4L2_DV_1080I29_97 9 /* BT.1120/ SMPTE 274M */ 1010 #define V4L2_DV_1080I30 10 /* BT.1120/ SMPTE 274M */ 1011 #define V4L2_DV_1080I25 11 /* BT.1120 */ 1012 #define V4L2_DV_1080I50 12 /* SMPTE 296M */ 1013 #define V4L2_DV_1080I60 13 /* SMPTE 296M */ 1014 #define V4L2_DV_1080P24 14 /* SMPTE 296M */ 1015 #define V4L2_DV_1080P25 15 /* SMPTE 296M */ 1016 #define V4L2_DV_1080P30 16 /* SMPTE 296M */ 1017 #define V4L2_DV_1080P50 17 /* BT.1120 */ 1018 #define V4L2_DV_1080P60 18 /* BT.1120 */ 1019 1020 /* 1021 * D V B T T I M I N G S 1022 */ 1023 1024 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1025 * @width: total width of the active video in pixels 1026 * @height: total height of the active video in lines 1027 * @interlaced: Interlaced or progressive 1028 * @polarities: Positive or negative polarities 1029 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1030 * @hfrontporch:Horizontal front porch in pixels 1031 * @hsync: Horizontal Sync length in pixels 1032 * @hbackporch: Horizontal back porch in pixels 1033 * @vfrontporch:Vertical front porch in lines 1034 * @vsync: Vertical Sync length in lines 1035 * @vbackporch: Vertical back porch in lines 1036 * @il_vfrontporch:Vertical front porch for the even field 1037 * (aka field 2) of interlaced field formats 1038 * @il_vsync: Vertical Sync length for the even field 1039 * (aka field 2) of interlaced field formats 1040 * @il_vbackporch:Vertical back porch for the even field 1041 * (aka field 2) of interlaced field formats 1042 * @standards: Standards the timing belongs to 1043 * @flags: Flags 1044 * @reserved: Reserved fields, must be zeroed. 1045 * 1046 * A note regarding vertical interlaced timings: height refers to the total 1047 * height of the active video frame (= two fields). The blanking timings refer 1048 * to the blanking of each field. So the height of the total frame is 1049 * calculated as follows: 1050 * 1051 * tot_height = height + vfrontporch + vsync + vbackporch + 1052 * il_vfrontporch + il_vsync + il_vbackporch 1053 * 1054 * The active height of each field is height / 2. 1055 */ 1056 struct v4l2_bt_timings { 1057 __u32 width; 1058 __u32 height; 1059 __u32 interlaced; 1060 __u32 polarities; 1061 __u64 pixelclock; 1062 __u32 hfrontporch; 1063 __u32 hsync; 1064 __u32 hbackporch; 1065 __u32 vfrontporch; 1066 __u32 vsync; 1067 __u32 vbackporch; 1068 __u32 il_vfrontporch; 1069 __u32 il_vsync; 1070 __u32 il_vbackporch; 1071 __u32 standards; 1072 __u32 flags; 1073 __u32 reserved[14]; 1074 } __attribute__ ((packed)); 1075 1076 /* Interlaced or progressive format */ 1077 #define V4L2_DV_PROGRESSIVE 0 1078 #define V4L2_DV_INTERLACED 1 1079 1080 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1081 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1082 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1083 1084 /* Timings standards */ 1085 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1086 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1087 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1088 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1089 1090 /* Flags */ 1091 1092 /* CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1093 GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1094 intervals are reduced, allowing a higher resolution over the same 1095 bandwidth. This is a read-only flag. */ 1096 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1097 /* CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1098 of six. These formats can be optionally played at 1 / 1.001 speed. 1099 This is a read-only flag. */ 1100 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1101 /* CEA-861 specific: only valid for video transmitters, the flag is cleared 1102 by receivers. 1103 If the framerate of the format is a multiple of six, then the pixelclock 1104 used to set up the transmitter is divided by 1.001 to make it compatible 1105 with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1106 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1107 such frequencies, then the flag will also be cleared. */ 1108 #define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1109 /* Specific to interlaced formats: if set, then field 1 is really one half-line 1110 longer and field 2 is really one half-line shorter, so each field has 1111 exactly the same number of half-lines. Whether half-lines can be detected 1112 or used depends on the hardware. */ 1113 #define V4L2_DV_FL_HALF_LINE (1 << 0) 1114 1115 1116 /** struct v4l2_dv_timings - DV timings 1117 * @type: the type of the timings 1118 * @bt: BT656/1120 timings 1119 */ 1120 struct v4l2_dv_timings { 1121 __u32 type; 1122 union { 1123 struct v4l2_bt_timings bt; 1124 __u32 reserved[32]; 1125 }; 1126 } __attribute__ ((packed)); 1127 1128 /* Values for the type field */ 1129 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1130 1131 1132 /** struct v4l2_enum_dv_timings - DV timings enumeration 1133 * @index: enumeration index 1134 * @reserved: must be zeroed 1135 * @timings: the timings for the given index 1136 */ 1137 struct v4l2_enum_dv_timings { 1138 __u32 index; 1139 __u32 reserved[3]; 1140 struct v4l2_dv_timings timings; 1141 }; 1142 1143 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1144 * @min_width: width in pixels 1145 * @max_width: width in pixels 1146 * @min_height: height in lines 1147 * @max_height: height in lines 1148 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1149 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1150 * @standards: Supported standards 1151 * @capabilities: Supported capabilities 1152 * @reserved: Must be zeroed 1153 */ 1154 struct v4l2_bt_timings_cap { 1155 __u32 min_width; 1156 __u32 max_width; 1157 __u32 min_height; 1158 __u32 max_height; 1159 __u64 min_pixelclock; 1160 __u64 max_pixelclock; 1161 __u32 standards; 1162 __u32 capabilities; 1163 __u32 reserved[16]; 1164 } __attribute__ ((packed)); 1165 1166 /* Supports interlaced formats */ 1167 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1168 /* Supports progressive formats */ 1169 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1170 /* Supports CVT/GTF reduced blanking */ 1171 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1172 /* Supports custom formats */ 1173 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1174 1175 /** struct v4l2_dv_timings_cap - DV timings capabilities 1176 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1177 * @bt: the BT656/1120 timings capabilities 1178 */ 1179 struct v4l2_dv_timings_cap { 1180 __u32 type; 1181 __u32 reserved[3]; 1182 union { 1183 struct v4l2_bt_timings_cap bt; 1184 __u32 raw_data[32]; 1185 }; 1186 }; 1187 1188 1189 /* 1190 * V I D E O I N P U T S 1191 */ 1192 struct v4l2_input { 1193 __u32 index; /* Which input */ 1194 __u8 name[32]; /* Label */ 1195 __u32 type; /* Type of input */ 1196 __u32 audioset; /* Associated audios (bitfield) */ 1197 __u32 tuner; /* enum v4l2_tuner_type */ 1198 v4l2_std_id std; 1199 __u32 status; 1200 __u32 capabilities; 1201 __u32 reserved[3]; 1202 }; 1203 1204 /* Values for the 'type' field */ 1205 #define V4L2_INPUT_TYPE_TUNER 1 1206 #define V4L2_INPUT_TYPE_CAMERA 2 1207 1208 /* field 'status' - general */ 1209 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1210 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1211 #define V4L2_IN_ST_NO_COLOR 0x00000004 1212 1213 /* field 'status' - sensor orientation */ 1214 /* If sensor is mounted upside down set both bits */ 1215 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1216 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1217 1218 /* field 'status' - analog */ 1219 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1220 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1221 1222 /* field 'status' - digital */ 1223 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1224 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1225 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1226 1227 /* field 'status' - VCR and set-top box */ 1228 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1229 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1230 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1231 1232 /* capabilities flags */ 1233 #define V4L2_IN_CAP_PRESETS 0x00000001 /* Supports S_DV_PRESET */ 1234 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1235 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1236 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1237 1238 /* 1239 * V I D E O O U T P U T S 1240 */ 1241 struct v4l2_output { 1242 __u32 index; /* Which output */ 1243 __u8 name[32]; /* Label */ 1244 __u32 type; /* Type of output */ 1245 __u32 audioset; /* Associated audios (bitfield) */ 1246 __u32 modulator; /* Associated modulator */ 1247 v4l2_std_id std; 1248 __u32 capabilities; 1249 __u32 reserved[3]; 1250 }; 1251 /* Values for the 'type' field */ 1252 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1253 #define V4L2_OUTPUT_TYPE_ANALOG 2 1254 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1255 1256 /* capabilities flags */ 1257 #define V4L2_OUT_CAP_PRESETS 0x00000001 /* Supports S_DV_PRESET */ 1258 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1259 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1260 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1261 1262 /* 1263 * C O N T R O L S 1264 */ 1265 struct v4l2_control { 1266 __u32 id; 1267 __s32 value; 1268 }; 1269 1270 struct v4l2_ext_control { 1271 __u32 id; 1272 __u32 size; 1273 __u32 reserved2[1]; 1274 union { 1275 __s32 value; 1276 __s64 value64; 1277 char *string; 1278 }; 1279 } __attribute__ ((packed)); 1280 1281 struct v4l2_ext_controls { 1282 __u32 ctrl_class; 1283 __u32 count; 1284 __u32 error_idx; 1285 __u32 reserved[2]; 1286 struct v4l2_ext_control *controls; 1287 }; 1288 1289 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1290 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1291 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1292 1293 enum v4l2_ctrl_type { 1294 V4L2_CTRL_TYPE_INTEGER = 1, 1295 V4L2_CTRL_TYPE_BOOLEAN = 2, 1296 V4L2_CTRL_TYPE_MENU = 3, 1297 V4L2_CTRL_TYPE_BUTTON = 4, 1298 V4L2_CTRL_TYPE_INTEGER64 = 5, 1299 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1300 V4L2_CTRL_TYPE_STRING = 7, 1301 V4L2_CTRL_TYPE_BITMASK = 8, 1302 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1303 }; 1304 1305 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1306 struct v4l2_queryctrl { 1307 __u32 id; 1308 __u32 type; /* enum v4l2_ctrl_type */ 1309 __u8 name[32]; /* Whatever */ 1310 __s32 minimum; /* Note signedness */ 1311 __s32 maximum; 1312 __s32 step; 1313 __s32 default_value; 1314 __u32 flags; 1315 __u32 reserved[2]; 1316 }; 1317 1318 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1319 struct v4l2_querymenu { 1320 __u32 id; 1321 __u32 index; 1322 union { 1323 __u8 name[32]; /* Whatever */ 1324 __s64 value; 1325 }; 1326 __u32 reserved; 1327 } __attribute__ ((packed)); 1328 1329 /* Control flags */ 1330 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1331 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1332 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1333 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1334 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1335 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1336 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1337 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1338 1339 /* Query flag, to be ORed with the control ID */ 1340 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1341 1342 /* User-class control IDs defined by V4L2 */ 1343 #define V4L2_CID_MAX_CTRLS 1024 1344 /* IDs reserved for driver specific controls */ 1345 #define V4L2_CID_PRIVATE_BASE 0x08000000 1346 1347 1348 /* DV-class control IDs defined by V4L2 */ 1349 #define V4L2_CID_DV_CLASS_BASE (V4L2_CTRL_CLASS_DV | 0x900) 1350 #define V4L2_CID_DV_CLASS (V4L2_CTRL_CLASS_DV | 1) 1351 1352 #define V4L2_CID_DV_TX_HOTPLUG (V4L2_CID_DV_CLASS_BASE + 1) 1353 #define V4L2_CID_DV_TX_RXSENSE (V4L2_CID_DV_CLASS_BASE + 2) 1354 #define V4L2_CID_DV_TX_EDID_PRESENT (V4L2_CID_DV_CLASS_BASE + 3) 1355 #define V4L2_CID_DV_TX_MODE (V4L2_CID_DV_CLASS_BASE + 4) 1356 enum v4l2_dv_tx_mode { 1357 V4L2_DV_TX_MODE_DVI_D = 0, 1358 V4L2_DV_TX_MODE_HDMI = 1, 1359 }; 1360 #define V4L2_CID_DV_TX_RGB_RANGE (V4L2_CID_DV_CLASS_BASE + 5) 1361 enum v4l2_dv_rgb_range { 1362 V4L2_DV_RGB_RANGE_AUTO = 0, 1363 V4L2_DV_RGB_RANGE_LIMITED = 1, 1364 V4L2_DV_RGB_RANGE_FULL = 2, 1365 }; 1366 1367 #define V4L2_CID_DV_RX_POWER_PRESENT (V4L2_CID_DV_CLASS_BASE + 100) 1368 #define V4L2_CID_DV_RX_RGB_RANGE (V4L2_CID_DV_CLASS_BASE + 101) 1369 1370 /* 1371 * T U N I N G 1372 */ 1373 struct v4l2_tuner { 1374 __u32 index; 1375 __u8 name[32]; 1376 __u32 type; /* enum v4l2_tuner_type */ 1377 __u32 capability; 1378 __u32 rangelow; 1379 __u32 rangehigh; 1380 __u32 rxsubchans; 1381 __u32 audmode; 1382 __s32 signal; 1383 __s32 afc; 1384 __u32 reserved[4]; 1385 }; 1386 1387 struct v4l2_modulator { 1388 __u32 index; 1389 __u8 name[32]; 1390 __u32 capability; 1391 __u32 rangelow; 1392 __u32 rangehigh; 1393 __u32 txsubchans; 1394 __u32 reserved[4]; 1395 }; 1396 1397 /* Flags for the 'capability' field */ 1398 #define V4L2_TUNER_CAP_LOW 0x0001 1399 #define V4L2_TUNER_CAP_NORM 0x0002 1400 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1401 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1402 #define V4L2_TUNER_CAP_STEREO 0x0010 1403 #define V4L2_TUNER_CAP_LANG2 0x0020 1404 #define V4L2_TUNER_CAP_SAP 0x0020 1405 #define V4L2_TUNER_CAP_LANG1 0x0040 1406 #define V4L2_TUNER_CAP_RDS 0x0080 1407 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1408 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1409 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1410 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1411 1412 /* Flags for the 'rxsubchans' field */ 1413 #define V4L2_TUNER_SUB_MONO 0x0001 1414 #define V4L2_TUNER_SUB_STEREO 0x0002 1415 #define V4L2_TUNER_SUB_LANG2 0x0004 1416 #define V4L2_TUNER_SUB_SAP 0x0004 1417 #define V4L2_TUNER_SUB_LANG1 0x0008 1418 #define V4L2_TUNER_SUB_RDS 0x0010 1419 1420 /* Values for the 'audmode' field */ 1421 #define V4L2_TUNER_MODE_MONO 0x0000 1422 #define V4L2_TUNER_MODE_STEREO 0x0001 1423 #define V4L2_TUNER_MODE_LANG2 0x0002 1424 #define V4L2_TUNER_MODE_SAP 0x0002 1425 #define V4L2_TUNER_MODE_LANG1 0x0003 1426 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1427 1428 struct v4l2_frequency { 1429 __u32 tuner; 1430 __u32 type; /* enum v4l2_tuner_type */ 1431 __u32 frequency; 1432 __u32 reserved[8]; 1433 }; 1434 1435 #define V4L2_BAND_MODULATION_VSB (1 << 1) 1436 #define V4L2_BAND_MODULATION_FM (1 << 2) 1437 #define V4L2_BAND_MODULATION_AM (1 << 3) 1438 1439 struct v4l2_frequency_band { 1440 __u32 tuner; 1441 __u32 type; /* enum v4l2_tuner_type */ 1442 __u32 index; 1443 __u32 capability; 1444 __u32 rangelow; 1445 __u32 rangehigh; 1446 __u32 modulation; 1447 __u32 reserved[9]; 1448 }; 1449 1450 struct v4l2_hw_freq_seek { 1451 __u32 tuner; 1452 __u32 type; /* enum v4l2_tuner_type */ 1453 __u32 seek_upward; 1454 __u32 wrap_around; 1455 __u32 spacing; 1456 __u32 rangelow; 1457 __u32 rangehigh; 1458 __u32 reserved[5]; 1459 }; 1460 1461 /* 1462 * R D S 1463 */ 1464 1465 struct v4l2_rds_data { 1466 __u8 lsb; 1467 __u8 msb; 1468 __u8 block; 1469 } __attribute__ ((packed)); 1470 1471 #define V4L2_RDS_BLOCK_MSK 0x7 1472 #define V4L2_RDS_BLOCK_A 0 1473 #define V4L2_RDS_BLOCK_B 1 1474 #define V4L2_RDS_BLOCK_C 2 1475 #define V4L2_RDS_BLOCK_D 3 1476 #define V4L2_RDS_BLOCK_C_ALT 4 1477 #define V4L2_RDS_BLOCK_INVALID 7 1478 1479 #define V4L2_RDS_BLOCK_CORRECTED 0x40 1480 #define V4L2_RDS_BLOCK_ERROR 0x80 1481 1482 /* 1483 * A U D I O 1484 */ 1485 struct v4l2_audio { 1486 __u32 index; 1487 __u8 name[32]; 1488 __u32 capability; 1489 __u32 mode; 1490 __u32 reserved[2]; 1491 }; 1492 1493 /* Flags for the 'capability' field */ 1494 #define V4L2_AUDCAP_STEREO 0x00001 1495 #define V4L2_AUDCAP_AVL 0x00002 1496 1497 /* Flags for the 'mode' field */ 1498 #define V4L2_AUDMODE_AVL 0x00001 1499 1500 struct v4l2_audioout { 1501 __u32 index; 1502 __u8 name[32]; 1503 __u32 capability; 1504 __u32 mode; 1505 __u32 reserved[2]; 1506 }; 1507 1508 /* 1509 * M P E G S E R V I C E S 1510 * 1511 * NOTE: EXPERIMENTAL API 1512 */ 1513 #if 1 1514 #define V4L2_ENC_IDX_FRAME_I (0) 1515 #define V4L2_ENC_IDX_FRAME_P (1) 1516 #define V4L2_ENC_IDX_FRAME_B (2) 1517 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 1518 1519 struct v4l2_enc_idx_entry { 1520 __u64 offset; 1521 __u64 pts; 1522 __u32 length; 1523 __u32 flags; 1524 __u32 reserved[2]; 1525 }; 1526 1527 #define V4L2_ENC_IDX_ENTRIES (64) 1528 struct v4l2_enc_idx { 1529 __u32 entries; 1530 __u32 entries_cap; 1531 __u32 reserved[4]; 1532 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 1533 }; 1534 1535 1536 #define V4L2_ENC_CMD_START (0) 1537 #define V4L2_ENC_CMD_STOP (1) 1538 #define V4L2_ENC_CMD_PAUSE (2) 1539 #define V4L2_ENC_CMD_RESUME (3) 1540 1541 /* Flags for V4L2_ENC_CMD_STOP */ 1542 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 1543 1544 struct v4l2_encoder_cmd { 1545 __u32 cmd; 1546 __u32 flags; 1547 union { 1548 struct { 1549 __u32 data[8]; 1550 } raw; 1551 }; 1552 }; 1553 1554 /* Decoder commands */ 1555 #define V4L2_DEC_CMD_START (0) 1556 #define V4L2_DEC_CMD_STOP (1) 1557 #define V4L2_DEC_CMD_PAUSE (2) 1558 #define V4L2_DEC_CMD_RESUME (3) 1559 1560 /* Flags for V4L2_DEC_CMD_START */ 1561 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 1562 1563 /* Flags for V4L2_DEC_CMD_PAUSE */ 1564 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 1565 1566 /* Flags for V4L2_DEC_CMD_STOP */ 1567 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 1568 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 1569 1570 /* Play format requirements (returned by the driver): */ 1571 1572 /* The decoder has no special format requirements */ 1573 #define V4L2_DEC_START_FMT_NONE (0) 1574 /* The decoder requires full GOPs */ 1575 #define V4L2_DEC_START_FMT_GOP (1) 1576 1577 /* The structure must be zeroed before use by the application 1578 This ensures it can be extended safely in the future. */ 1579 struct v4l2_decoder_cmd { 1580 __u32 cmd; 1581 __u32 flags; 1582 union { 1583 struct { 1584 __u64 pts; 1585 } stop; 1586 1587 struct { 1588 /* 0 or 1000 specifies normal speed, 1589 1 specifies forward single stepping, 1590 -1 specifies backward single stepping, 1591 >1: playback at speed/1000 of the normal speed, 1592 <-1: reverse playback at (-speed/1000) of the normal speed. */ 1593 __s32 speed; 1594 __u32 format; 1595 } start; 1596 1597 struct { 1598 __u32 data[16]; 1599 } raw; 1600 }; 1601 }; 1602 #endif 1603 1604 1605 /* 1606 * D A T A S E R V I C E S ( V B I ) 1607 * 1608 * Data services API by Michael Schimek 1609 */ 1610 1611 /* Raw VBI */ 1612 struct v4l2_vbi_format { 1613 __u32 sampling_rate; /* in 1 Hz */ 1614 __u32 offset; 1615 __u32 samples_per_line; 1616 __u32 sample_format; /* V4L2_PIX_FMT_* */ 1617 __s32 start[2]; 1618 __u32 count[2]; 1619 __u32 flags; /* V4L2_VBI_* */ 1620 __u32 reserved[2]; /* must be zero */ 1621 }; 1622 1623 /* VBI flags */ 1624 #define V4L2_VBI_UNSYNC (1 << 0) 1625 #define V4L2_VBI_INTERLACED (1 << 1) 1626 1627 /* Sliced VBI 1628 * 1629 * This implements is a proposal V4L2 API to allow SLICED VBI 1630 * required for some hardware encoders. It should change without 1631 * notice in the definitive implementation. 1632 */ 1633 1634 struct v4l2_sliced_vbi_format { 1635 __u16 service_set; 1636 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1637 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1638 (equals frame lines 313-336 for 625 line video 1639 standards, 263-286 for 525 line standards) */ 1640 __u16 service_lines[2][24]; 1641 __u32 io_size; 1642 __u32 reserved[2]; /* must be zero */ 1643 }; 1644 1645 /* Teletext World System Teletext 1646 (WST), defined on ITU-R BT.653-2 */ 1647 #define V4L2_SLICED_TELETEXT_B (0x0001) 1648 /* Video Program System, defined on ETS 300 231*/ 1649 #define V4L2_SLICED_VPS (0x0400) 1650 /* Closed Caption, defined on EIA-608 */ 1651 #define V4L2_SLICED_CAPTION_525 (0x1000) 1652 /* Wide Screen System, defined on ITU-R BT1119.1 */ 1653 #define V4L2_SLICED_WSS_625 (0x4000) 1654 1655 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 1656 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 1657 1658 struct v4l2_sliced_vbi_cap { 1659 __u16 service_set; 1660 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1661 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1662 (equals frame lines 313-336 for 625 line video 1663 standards, 263-286 for 525 line standards) */ 1664 __u16 service_lines[2][24]; 1665 __u32 type; /* enum v4l2_buf_type */ 1666 __u32 reserved[3]; /* must be 0 */ 1667 }; 1668 1669 struct v4l2_sliced_vbi_data { 1670 __u32 id; 1671 __u32 field; /* 0: first field, 1: second field */ 1672 __u32 line; /* 1-23 */ 1673 __u32 reserved; /* must be 0 */ 1674 __u8 data[48]; 1675 }; 1676 1677 /* 1678 * Sliced VBI data inserted into MPEG Streams 1679 */ 1680 1681 /* 1682 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 1683 * 1684 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 1685 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 1686 * data 1687 * 1688 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 1689 * definitions are not included here. See the MPEG-2 specifications for details 1690 * on these headers. 1691 */ 1692 1693 /* Line type IDs */ 1694 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 1695 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 1696 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 1697 #define V4L2_MPEG_VBI_IVTV_VPS (7) 1698 1699 struct v4l2_mpeg_vbi_itv0_line { 1700 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 1701 __u8 data[42]; /* Sliced VBI data for the line */ 1702 } __attribute__ ((packed)); 1703 1704 struct v4l2_mpeg_vbi_itv0 { 1705 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 1706 struct v4l2_mpeg_vbi_itv0_line line[35]; 1707 } __attribute__ ((packed)); 1708 1709 struct v4l2_mpeg_vbi_ITV0 { 1710 struct v4l2_mpeg_vbi_itv0_line line[36]; 1711 } __attribute__ ((packed)); 1712 1713 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 1714 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 1715 1716 struct v4l2_mpeg_vbi_fmt_ivtv { 1717 __u8 magic[4]; 1718 union { 1719 struct v4l2_mpeg_vbi_itv0 itv0; 1720 struct v4l2_mpeg_vbi_ITV0 ITV0; 1721 }; 1722 } __attribute__ ((packed)); 1723 1724 /* 1725 * A G G R E G A T E S T R U C T U R E S 1726 */ 1727 1728 /** 1729 * struct v4l2_plane_pix_format - additional, per-plane format definition 1730 * @sizeimage: maximum size in bytes required for data, for which 1731 * this plane will be used 1732 * @bytesperline: distance in bytes between the leftmost pixels in two 1733 * adjacent lines 1734 */ 1735 struct v4l2_plane_pix_format { 1736 __u32 sizeimage; 1737 __u16 bytesperline; 1738 __u16 reserved[7]; 1739 } __attribute__ ((packed)); 1740 1741 /** 1742 * struct v4l2_pix_format_mplane - multiplanar format definition 1743 * @width: image width in pixels 1744 * @height: image height in pixels 1745 * @pixelformat: little endian four character code (fourcc) 1746 * @field: enum v4l2_field; field order (for interlaced video) 1747 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 1748 * @plane_fmt: per-plane information 1749 * @num_planes: number of planes for this format 1750 */ 1751 struct v4l2_pix_format_mplane { 1752 __u32 width; 1753 __u32 height; 1754 __u32 pixelformat; 1755 __u32 field; 1756 __u32 colorspace; 1757 1758 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 1759 __u8 num_planes; 1760 __u8 reserved[11]; 1761 } __attribute__ ((packed)); 1762 1763 /** 1764 * struct v4l2_format - stream data format 1765 * @type: enum v4l2_buf_type; type of the data stream 1766 * @pix: definition of an image format 1767 * @pix_mp: definition of a multiplanar image format 1768 * @win: definition of an overlaid image 1769 * @vbi: raw VBI capture or output parameters 1770 * @sliced: sliced VBI capture or output parameters 1771 * @raw_data: placeholder for future extensions and custom formats 1772 */ 1773 struct v4l2_format { 1774 __u32 type; 1775 union { 1776 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 1777 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 1778 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 1779 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 1780 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 1781 __u8 raw_data[200]; /* user-defined */ 1782 } fmt; 1783 }; 1784 1785 /* Stream type-dependent parameters 1786 */ 1787 struct v4l2_streamparm { 1788 __u32 type; /* enum v4l2_buf_type */ 1789 union { 1790 struct v4l2_captureparm capture; 1791 struct v4l2_outputparm output; 1792 __u8 raw_data[200]; /* user-defined */ 1793 } parm; 1794 }; 1795 1796 /* 1797 * E V E N T S 1798 */ 1799 1800 #define V4L2_EVENT_ALL 0 1801 #define V4L2_EVENT_VSYNC 1 1802 #define V4L2_EVENT_EOS 2 1803 #define V4L2_EVENT_CTRL 3 1804 #define V4L2_EVENT_FRAME_SYNC 4 1805 #define V4L2_EVENT_PRIVATE_START 0x08000000 1806 1807 /* Payload for V4L2_EVENT_VSYNC */ 1808 struct v4l2_event_vsync { 1809 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 1810 __u8 field; 1811 } __attribute__ ((packed)); 1812 1813 /* Payload for V4L2_EVENT_CTRL */ 1814 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 1815 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 1816 1817 struct v4l2_event_ctrl { 1818 __u32 changes; 1819 __u32 type; 1820 union { 1821 __s32 value; 1822 __s64 value64; 1823 }; 1824 __u32 flags; 1825 __s32 minimum; 1826 __s32 maximum; 1827 __s32 step; 1828 __s32 default_value; 1829 }; 1830 1831 struct v4l2_event_frame_sync { 1832 __u32 frame_sequence; 1833 }; 1834 1835 struct v4l2_event { 1836 __u32 type; 1837 union { 1838 struct v4l2_event_vsync vsync; 1839 struct v4l2_event_ctrl ctrl; 1840 struct v4l2_event_frame_sync frame_sync; 1841 __u8 data[64]; 1842 } u; 1843 __u32 pending; 1844 __u32 sequence; 1845 struct timespec timestamp; 1846 __u32 id; 1847 __u32 reserved[8]; 1848 }; 1849 1850 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 1851 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 1852 1853 struct v4l2_event_subscription { 1854 __u32 type; 1855 __u32 id; 1856 __u32 flags; 1857 __u32 reserved[5]; 1858 }; 1859 1860 /* 1861 * A D V A N C E D D E B U G G I N G 1862 * 1863 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 1864 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 1865 */ 1866 1867 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 1868 1869 #define V4L2_CHIP_MATCH_HOST 0 /* Match against chip ID on host (0 for the host) */ 1870 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 1871 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 1872 #define V4L2_CHIP_MATCH_AC97 3 /* Match against anciliary AC97 chip */ 1873 1874 struct v4l2_dbg_match { 1875 __u32 type; /* Match type */ 1876 union { /* Match this chip, meaning determined by type */ 1877 __u32 addr; 1878 char name[32]; 1879 }; 1880 } __attribute__ ((packed)); 1881 1882 struct v4l2_dbg_register { 1883 struct v4l2_dbg_match match; 1884 __u32 size; /* register size in bytes */ 1885 __u64 reg; 1886 __u64 val; 1887 } __attribute__ ((packed)); 1888 1889 /* VIDIOC_DBG_G_CHIP_IDENT */ 1890 struct v4l2_dbg_chip_ident { 1891 struct v4l2_dbg_match match; 1892 __u32 ident; /* chip identifier as specified in <media/v4l2-chip-ident.h> */ 1893 __u32 revision; /* chip revision, chip specific */ 1894 } __attribute__ ((packed)); 1895 1896 /** 1897 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 1898 * @index: on return, index of the first created buffer 1899 * @count: entry: number of requested buffers, 1900 * return: number of created buffers 1901 * @memory: enum v4l2_memory; buffer memory type 1902 * @format: frame format, for which buffers are requested 1903 * @reserved: future extensions 1904 */ 1905 struct v4l2_create_buffers { 1906 __u32 index; 1907 __u32 count; 1908 __u32 memory; 1909 struct v4l2_format format; 1910 __u32 reserved[8]; 1911 }; 1912 1913 /* 1914 * 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 1915 * 1916 */ 1917 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 1918 #define VIDIOC_RESERVED _IO('V', 1) 1919 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 1920 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 1921 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 1922 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 1923 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 1924 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 1925 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 1926 #define VIDIOC_OVERLAY _IOW('V', 14, int) 1927 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 1928 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 1929 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 1930 #define VIDIOC_STREAMON _IOW('V', 18, int) 1931 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 1932 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 1933 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 1934 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 1935 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 1936 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 1937 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 1938 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 1939 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 1940 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 1941 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 1942 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 1943 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 1944 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 1945 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 1946 #define VIDIOC_G_INPUT _IOR('V', 38, int) 1947 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 1948 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 1949 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 1950 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 1951 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 1952 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 1953 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 1954 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 1955 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 1956 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 1957 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 1958 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 1959 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 1960 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 1961 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 1962 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 1963 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 1964 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 1965 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 1966 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 1967 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 1968 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 1969 #define VIDIOC_LOG_STATUS _IO('V', 70) 1970 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 1971 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 1972 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 1973 #if 1 1974 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 1975 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 1976 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 1977 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 1978 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 1979 #endif 1980 1981 #if 1 1982 /* Experimental, meant for debugging, testing and internal use. 1983 Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 1984 You must be root to use these ioctls. Never use these in applications! */ 1985 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 1986 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 1987 1988 /* Experimental, meant for debugging, testing and internal use. 1989 Never use this ioctl in applications! */ 1990 #define VIDIOC_DBG_G_CHIP_IDENT _IOWR('V', 81, struct v4l2_dbg_chip_ident) 1991 #endif 1992 1993 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 1994 1995 /* These four DV Preset ioctls are deprecated in favor of the DV Timings 1996 ioctls. */ 1997 #define VIDIOC_ENUM_DV_PRESETS _IOWR('V', 83, struct v4l2_dv_enum_preset) 1998 #define VIDIOC_S_DV_PRESET _IOWR('V', 84, struct v4l2_dv_preset) 1999 #define VIDIOC_G_DV_PRESET _IOWR('V', 85, struct v4l2_dv_preset) 2000 #define VIDIOC_QUERY_DV_PRESET _IOR('V', 86, struct v4l2_dv_preset) 2001 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2002 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2003 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2004 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2005 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2006 2007 /* Experimental, the below two ioctls may change over the next couple of kernel 2008 versions */ 2009 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2010 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2011 2012 /* Experimental selection API */ 2013 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2014 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2015 2016 /* Experimental, these two ioctls may change over the next couple of kernel 2017 versions. */ 2018 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2019 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2020 2021 /* Experimental, these three ioctls may change over the next couple of kernel 2022 versions. */ 2023 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2024 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2025 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2026 2027 /* Experimental, this ioctl may change over the next couple of kernel 2028 versions. */ 2029 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2030 2031 /* Reminder: when adding new ioctls please add support for them to 2032 drivers/media/video/v4l2-compat-ioctl32.c as well! */ 2033 2034 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2035 2036 #endif /* _UAPI__LINUX_VIDEODEV2_H */ 2037