videodev2.h revision 5d6a7fb6f1a9ff1d898b290fc7c0b2695cf22229
1/* 2 * Video for Linux Two header file 3 * 4 * Copyright (C) 1999-2012 the contributors 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * Alternatively you can redistribute this file under the terms of the 17 * BSD license as stated below: 18 * 19 * Redistribution and use in source and binary forms, with or without 20 * modification, are permitted provided that the following conditions 21 * are met: 22 * 1. Redistributions of source code must retain the above copyright 23 * notice, this list of conditions and the following disclaimer. 24 * 2. Redistributions in binary form must reproduce the above copyright 25 * notice, this list of conditions and the following disclaimer in 26 * the documentation and/or other materials provided with the 27 * distribution. 28 * 3. The names of its contributors may not be used to endorse or promote 29 * products derived from this software without specific prior written 30 * permission. 31 * 32 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 33 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 34 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 35 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 36 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 37 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 38 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 39 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 40 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 41 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 42 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 43 * 44 * Header file for v4l or V4L2 drivers and applications 45 * with public API. 46 * All kernel-specific stuff were moved to media/v4l2-dev.h, so 47 * no #if __KERNEL tests are allowed here 48 * 49 * See http://linuxtv.org for more info 50 * 51 * Author: Bill Dirks <bill@thedirks.org> 52 * Justin Schoeman 53 * Hans Verkuil <hverkuil@xs4all.nl> 54 * et al. 55 */ 56#ifndef __LINUX_VIDEODEV2_H 57#define __LINUX_VIDEODEV2_H 58 59#include <sys/time.h> 60 61#include <linux/ioctl.h> 62#include <linux/types.h> 63#include <linux/v4l2-common.h> 64#include <linux/v4l2-controls.h> 65 66/* 67 * Common stuff for both V4L1 and V4L2 68 * Moved from videodev.h 69 */ 70#define VIDEO_MAX_FRAME 32 71#define VIDEO_MAX_PLANES 8 72 73/* 74 * M I S C E L L A N E O U S 75 */ 76 77/* Four-character-code (FOURCC) */ 78#define v4l2_fourcc(a, b, c, d)\ 79 ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24)) 80#define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1 << 31)) 81 82/* 83 * E N U M S 84 */ 85enum v4l2_field { 86 V4L2_FIELD_ANY = 0, /* driver can choose from none, 87 top, bottom, interlaced 88 depending on whatever it thinks 89 is approximate ... */ 90 V4L2_FIELD_NONE = 1, /* this device has no fields ... */ 91 V4L2_FIELD_TOP = 2, /* top field only */ 92 V4L2_FIELD_BOTTOM = 3, /* bottom field only */ 93 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */ 94 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one 95 buffer, top-bottom order */ 96 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */ 97 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into 98 separate buffers */ 99 V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field 100 first and the top field is 101 transmitted first */ 102 V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field 103 first and the bottom field is 104 transmitted first */ 105}; 106#define V4L2_FIELD_HAS_TOP(field) \ 107 ((field) == V4L2_FIELD_TOP ||\ 108 (field) == V4L2_FIELD_INTERLACED ||\ 109 (field) == V4L2_FIELD_INTERLACED_TB ||\ 110 (field) == V4L2_FIELD_INTERLACED_BT ||\ 111 (field) == V4L2_FIELD_SEQ_TB ||\ 112 (field) == V4L2_FIELD_SEQ_BT) 113#define V4L2_FIELD_HAS_BOTTOM(field) \ 114 ((field) == V4L2_FIELD_BOTTOM ||\ 115 (field) == V4L2_FIELD_INTERLACED ||\ 116 (field) == V4L2_FIELD_INTERLACED_TB ||\ 117 (field) == V4L2_FIELD_INTERLACED_BT ||\ 118 (field) == V4L2_FIELD_SEQ_TB ||\ 119 (field) == V4L2_FIELD_SEQ_BT) 120#define V4L2_FIELD_HAS_BOTH(field) \ 121 ((field) == V4L2_FIELD_INTERLACED ||\ 122 (field) == V4L2_FIELD_INTERLACED_TB ||\ 123 (field) == V4L2_FIELD_INTERLACED_BT ||\ 124 (field) == V4L2_FIELD_SEQ_TB ||\ 125 (field) == V4L2_FIELD_SEQ_BT) 126#define V4L2_FIELD_HAS_T_OR_B(field) \ 127 ((field) == V4L2_FIELD_BOTTOM ||\ 128 (field) == V4L2_FIELD_TOP ||\ 129 (field) == V4L2_FIELD_ALTERNATE) 130 131enum v4l2_buf_type { 132 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, 133 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, 134 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, 135 V4L2_BUF_TYPE_VBI_CAPTURE = 4, 136 V4L2_BUF_TYPE_VBI_OUTPUT = 5, 137 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6, 138 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7, 139#if 1 140 /* Experimental */ 141 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8, 142#endif 143 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9, 144 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10, 145 V4L2_BUF_TYPE_SDR_CAPTURE = 11, 146 /* Deprecated, do not use */ 147 V4L2_BUF_TYPE_PRIVATE = 0x80, 148}; 149 150#define V4L2_TYPE_IS_MULTIPLANAR(type) \ 151 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \ 152 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 153 154#define V4L2_TYPE_IS_OUTPUT(type) \ 155 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \ 156 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \ 157 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \ 158 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \ 159 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \ 160 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT) 161 162enum v4l2_tuner_type { 163 V4L2_TUNER_RADIO = 1, 164 V4L2_TUNER_ANALOG_TV = 2, 165 V4L2_TUNER_DIGITAL_TV = 3, 166 V4L2_TUNER_ADC = 4, 167 V4L2_TUNER_RF = 5, 168}; 169 170enum v4l2_memory { 171 V4L2_MEMORY_MMAP = 1, 172 V4L2_MEMORY_USERPTR = 2, 173 V4L2_MEMORY_OVERLAY = 3, 174 V4L2_MEMORY_DMABUF = 4, 175}; 176 177/* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 178enum v4l2_colorspace { 179 /* ITU-R 601 -- broadcast NTSC/PAL */ 180 V4L2_COLORSPACE_SMPTE170M = 1, 181 182 /* 1125-Line (US) HDTV */ 183 V4L2_COLORSPACE_SMPTE240M = 2, 184 185 /* HD and modern captures. */ 186 V4L2_COLORSPACE_REC709 = 3, 187 188 /* broken BT878 extents (601, luma range 16-253 instead of 16-235) */ 189 V4L2_COLORSPACE_BT878 = 4, 190 191 /* These should be useful. Assume 601 extents. */ 192 V4L2_COLORSPACE_470_SYSTEM_M = 5, 193 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 194 195 /* I know there will be cameras that send this. So, this is 196 * unspecified chromaticities and full 0-255 on each of the 197 * Y'CbCr components 198 */ 199 V4L2_COLORSPACE_JPEG = 7, 200 201 /* For RGB colourspaces, this is probably a good start. */ 202 V4L2_COLORSPACE_SRGB = 8, 203}; 204 205enum v4l2_priority { 206 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 207 V4L2_PRIORITY_BACKGROUND = 1, 208 V4L2_PRIORITY_INTERACTIVE = 2, 209 V4L2_PRIORITY_RECORD = 3, 210 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 211}; 212 213struct v4l2_rect { 214 __s32 left; 215 __s32 top; 216 __u32 width; 217 __u32 height; 218}; 219 220struct v4l2_fract { 221 __u32 numerator; 222 __u32 denominator; 223}; 224 225/** 226 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 227 * 228 * @driver: name of the driver module (e.g. "bttv") 229 * @card: name of the card (e.g. "Hauppauge WinTV") 230 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 231 * @version: KERNEL_VERSION 232 * @capabilities: capabilities of the physical device as a whole 233 * @device_caps: capabilities accessed via this particular device (node) 234 * @reserved: reserved fields for future extensions 235 */ 236struct v4l2_capability { 237 __u8 driver[16]; 238 __u8 card[32]; 239 __u8 bus_info[32]; 240 __u32 version; 241 __u32 capabilities; 242 __u32 device_caps; 243 __u32 reserved[3]; 244}; 245 246/* Values for 'capabilities' field */ 247#define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 248#define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 249#define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 250#define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 251#define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 252#define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 253#define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 254#define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 255#define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 256#define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 257#define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 258 259/* Is a video capture device that supports multiplanar formats */ 260#define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 261/* Is a video output device that supports multiplanar formats */ 262#define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 263/* Is a video mem-to-mem device that supports multiplanar formats */ 264#define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 265/* Is a video mem-to-mem device */ 266#define V4L2_CAP_VIDEO_M2M 0x00008000 267 268#define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 269#define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 270#define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 271#define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 272 273#define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */ 274#define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */ 275 276#define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 277#define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 278#define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 279 280#define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 281 282/* 283 * V I D E O I M A G E F O R M A T 284 */ 285struct v4l2_pix_format { 286 __u32 width; 287 __u32 height; 288 __u32 pixelformat; 289 __u32 field; /* enum v4l2_field */ 290 __u32 bytesperline; /* for padding, zero if unused */ 291 __u32 sizeimage; 292 __u32 colorspace; /* enum v4l2_colorspace */ 293 __u32 priv; /* private data, depends on pixelformat */ 294 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ 295}; 296 297/* Pixel format FOURCC depth Description */ 298 299/* RGB formats */ 300#define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 301#define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 302#define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */ 303#define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */ 304#define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 305#define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */ 306#define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */ 307#define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 308#define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 309#define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */ 310#define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */ 311#define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 312#define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 313#define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 314#define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 315#define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 316#define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */ 317#define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */ 318#define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 319#define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */ 320#define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */ 321 322/* UBWC 32-bit RGBA8888 */ 323#define V4L2_PIX_FMT_RGBA8888_UBWC v4l2_fourcc('Q', 'R', 'G', 'B') 324 325/* Grey formats */ 326#define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 327#define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 328#define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 329#define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 330#define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 331#define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 332 333/* Grey bit-packed formats */ 334#define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 335 336/* Palette formats */ 337#define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 338 339/* Chrominance formats */ 340#define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 341 342/* Luminance+Chrominance formats */ 343#define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 344#define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 345#define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 346#define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 347#define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 348#define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 349#define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 350#define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 351#define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 16 YVU411 planar */ 352#define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 353#define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 354#define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 355#define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 356#define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 357#define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 358#define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 359#define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */ 360#define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */ 361#define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 362 363/* two planes -- one Y, one Cr + Cb interleaved */ 364#define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 365#define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 366#define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 367#define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 368#define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 369#define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 370 371/* UBWC 8-bit Y/CbCr 4:2:0 */ 372#define V4L2_PIX_FMT_NV12_UBWC v4l2_fourcc('Q', '1', '2', '8') 373/* UBWC 10-bit Y/CbCr 4:2:0 */ 374#define V4L2_PIX_FMT_NV12_TP10_UBWC v4l2_fourcc('Q', '1', '2', 'A') 375 376/* two non contiguous planes - one Y, one Cr + Cb interleaved */ 377#define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 378#define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 379#define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ 380#define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ 381#define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */ 382#define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */ 383 384/* three non contiguous planes - Y, Cb, Cr */ 385#define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 386#define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 387 388/* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 389#define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 390#define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 391#define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 392#define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 393#define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 394#define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 395#define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 396#define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 397#define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 398#define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 399#define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 400#define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 401 /* 10bit raw bayer a-law compressed to 8 bits */ 402#define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 403#define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 404#define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 405#define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 406 /* 10bit raw bayer DPCM compressed to 8 bits */ 407#define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 408#define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 409#define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 410#define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 411 /* 412 * 10bit raw bayer, expanded to 16 bits 413 * xxxxrrrrrrrrrrxxxxgggggggggg xxxxggggggggggxxxxbbbbbbbbbb... 414 */ 415#define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 416 417/* compressed formats */ 418#define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 419#define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 420#define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 421#define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 422#define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 423#define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 424#define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 425#define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 426#define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 427#define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 428#define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 429#define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 430#define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 431#define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 432#define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 433#define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */ 434#define V4L2_PIX_FMT_DIVX_311 v4l2_fourcc('D', 'I', 'V', '3') /* DIVX311 */ 435#define V4L2_PIX_FMT_DIVX v4l2_fourcc('D', 'I', 'V', 'X') /* DIVX */ 436#define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* for HEVC stream */ 437#define V4L2_PIX_FMT_HEVC_HYBRID v4l2_fourcc('H', 'V', 'C', 'H') 438 439/* Vendor-specific formats */ 440#define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 441#define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 442#define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 443#define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 444#define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 445#define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 446#define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 447#define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 448#define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 449#define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 450#define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 451#define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 452#define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 453#define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 454#define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 455#define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 456#define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 457#define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 458#define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 459#define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 460#define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 461#define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 462#define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 463#define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 464#define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 465#define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 466 467/* SDR formats - used only for Software Defined Radio devices */ 468#define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 469#define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 470#define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 471#define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 472#define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 473 474/* priv field value to indicates that subsequent fields are valid. */ 475#define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 476 477/* Flags */ 478#define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 479 480/* 481 * F O R M A T E N U M E R A T I O N 482 */ 483struct v4l2_fmtdesc { 484 __u32 index; /* Format number */ 485 __u32 type; /* enum v4l2_buf_type */ 486 __u32 flags; 487 __u8 description[32]; /* Description string */ 488 __u32 pixelformat; /* Format fourcc */ 489 __u32 reserved[4]; 490}; 491 492#define V4L2_FMT_FLAG_COMPRESSED 0x0001 493#define V4L2_FMT_FLAG_EMULATED 0x0002 494 495#if 1 496 /* Experimental Frame Size and frame rate enumeration */ 497/* 498 * F R A M E S I Z E E N U M E R A T I O N 499 */ 500enum v4l2_frmsizetypes { 501 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 502 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 503 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 504}; 505 506struct v4l2_frmsize_discrete { 507 __u32 width; /* Frame width [pixel] */ 508 __u32 height; /* Frame height [pixel] */ 509}; 510 511struct v4l2_frmsize_stepwise { 512 __u32 min_width; /* Minimum frame width [pixel] */ 513 __u32 max_width; /* Maximum frame width [pixel] */ 514 __u32 step_width; /* Frame width step size [pixel] */ 515 __u32 min_height; /* Minimum frame height [pixel] */ 516 __u32 max_height; /* Maximum frame height [pixel] */ 517 __u32 step_height; /* Frame height step size [pixel] */ 518}; 519 520struct v4l2_frmsizeenum { 521 __u32 index; /* Frame size number */ 522 __u32 pixel_format; /* Pixel format */ 523 __u32 type; /* Frame size type the device supports. */ 524 525 union { /* Frame size */ 526 struct v4l2_frmsize_discrete discrete; 527 struct v4l2_frmsize_stepwise stepwise; 528 }; 529 530 __u32 reserved[2]; /* Reserved space for future use */ 531}; 532 533/* 534 * F R A M E R A T E E N U M E R A T I O N 535 */ 536enum v4l2_frmivaltypes { 537 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 538 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 539 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 540}; 541 542struct v4l2_frmival_stepwise { 543 struct v4l2_fract min; /* Minimum frame interval [s] */ 544 struct v4l2_fract max; /* Maximum frame interval [s] */ 545 struct v4l2_fract step; /* Frame interval step size [s] */ 546}; 547 548struct v4l2_frmivalenum { 549 __u32 index; /* Frame format index */ 550 __u32 pixel_format; /* Pixel format */ 551 __u32 width; /* Frame width */ 552 __u32 height; /* Frame height */ 553 __u32 type; /* Frame interval type the device supports. */ 554 555 union { /* Frame interval */ 556 struct v4l2_fract discrete; 557 struct v4l2_frmival_stepwise stepwise; 558 }; 559 560 __u32 reserved[2]; /* Reserved space for future use */ 561}; 562#endif 563 564/* 565 * T I M E C O D E 566 */ 567struct v4l2_timecode { 568 __u32 type; 569 __u32 flags; 570 __u8 frames; 571 __u8 seconds; 572 __u8 minutes; 573 __u8 hours; 574 __u8 userbits[4]; 575}; 576 577/* Type */ 578#define V4L2_TC_TYPE_24FPS 1 579#define V4L2_TC_TYPE_25FPS 2 580#define V4L2_TC_TYPE_30FPS 3 581#define V4L2_TC_TYPE_50FPS 4 582#define V4L2_TC_TYPE_60FPS 5 583 584/* Flags */ 585#define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 586#define V4L2_TC_FLAG_COLORFRAME 0x0002 587#define V4L2_TC_USERBITS_field 0x000C 588#define V4L2_TC_USERBITS_USERDEFINED 0x0000 589#define V4L2_TC_USERBITS_8BITCHARS 0x0008 590/* The above is based on SMPTE timecodes */ 591 592struct v4l2_jpegcompression { 593 int quality; 594 595 int APPn; /* Number of APP segment to be written, 596 * must be 0..15 */ 597 int APP_len; /* Length of data in JPEG APPn segment */ 598 char APP_data[60]; /* Data in the JPEG APPn segment. */ 599 600 int COM_len; /* Length of data in JPEG COM segment */ 601 char COM_data[60]; /* Data in JPEG COM segment */ 602 603 __u32 jpeg_markers; /* Which markers should go into the JPEG 604 * output. Unless you exactly know what 605 * you do, leave them untouched. 606 * Including less markers will make the 607 * resulting code smaller, but there will 608 * be fewer applications which can read it. 609 * The presence of the APP and COM marker 610 * is influenced by APP_len and COM_len 611 * ONLY, not by this property! */ 612 613#define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 614#define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 615#define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 616#define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 617#define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 618 * always use APP0 */ 619}; 620 621/* 622 * M E M O R Y - M A P P I N G B U F F E R S 623 */ 624struct v4l2_requestbuffers { 625 __u32 count; 626 __u32 type; /* enum v4l2_buf_type */ 627 __u32 memory; /* enum v4l2_memory */ 628 __u32 reserved[2]; 629}; 630 631/** 632 * struct v4l2_plane - plane info for multi-planar buffers 633 * @bytesused: number of bytes occupied by data in the plane (payload) 634 * @length: size of this plane (NOT the payload) in bytes 635 * @mem_offset: when memory in the associated struct v4l2_buffer is 636 * V4L2_MEMORY_MMAP, equals the offset from the start of 637 * the device memory for this plane (or is a "cookie" that 638 * should be passed to mmap() called on the video node) 639 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 640 * pointing to this plane 641 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 642 * descriptor associated with this plane 643 * @data_offset: offset in the plane to the start of data; usually 0, 644 * unless there is a header in front of the data 645 * 646 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 647 * with two planes can have one plane for Y, and another for interleaved CbCr 648 * components. Each plane can reside in a separate memory buffer, or even in 649 * a completely separate memory node (e.g. in embedded devices). 650 */ 651struct v4l2_plane { 652 __u32 bytesused; 653 __u32 length; 654 union { 655 __u32 mem_offset; 656 unsigned long userptr; 657 __s32 fd; 658 } m; 659 __u32 data_offset; 660 __u32 reserved[11]; 661}; 662 663/** 664 * struct v4l2_buffer - video buffer info 665 * @index: id number of the buffer 666 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 667 * multiplanar buffers); 668 * @bytesused: number of bytes occupied by data in the buffer (payload); 669 * unused (set to 0) for multiplanar buffers 670 * @flags: buffer informational flags 671 * @field: enum v4l2_field; field order of the image in the buffer 672 * @timestamp: frame timestamp 673 * @timecode: frame timecode 674 * @sequence: sequence count of this frame 675 * @memory: enum v4l2_memory; the method, in which the actual video data is 676 * passed 677 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 678 * offset from the start of the device memory for this plane, 679 * (or a "cookie" that should be passed to mmap() as offset) 680 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 681 * a userspace pointer pointing to this buffer 682 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 683 * a userspace file descriptor associated with this buffer 684 * @planes: for multiplanar buffers; userspace pointer to the array of plane 685 * info structs for this buffer 686 * @length: size in bytes of the buffer (NOT its payload) for single-plane 687 * buffers (when type != *_MPLANE); number of elements in the 688 * planes array for multi-plane buffers 689 * 690 * Contains data exchanged by application and driver using one of the Streaming 691 * I/O methods. 692 */ 693struct v4l2_buffer { 694 __u32 index; 695 __u32 type; 696 __u32 bytesused; 697 __u32 flags; 698 __u32 field; 699 struct timeval timestamp; 700 struct v4l2_timecode timecode; 701 __u32 sequence; 702 703 /* memory location */ 704 __u32 memory; 705 union { 706 __u32 offset; 707 unsigned long userptr; 708 struct v4l2_plane *planes; 709 __s32 fd; 710 } m; 711 __u32 length; 712 __u32 reserved2; 713 __u32 reserved; 714}; 715 716/* Flags for 'flags' field */ 717/* Buffer is mapped (flag) */ 718#define V4L2_BUF_FLAG_MAPPED 0x00000001 719/* Buffer is queued for processing */ 720#define V4L2_BUF_FLAG_QUEUED 0x00000002 721/* Buffer is ready */ 722#define V4L2_BUF_FLAG_DONE 0x00000004 723/* Image is a keyframe (I-frame) */ 724#define V4L2_BUF_FLAG_KEYFRAME 0x00000008 725/* Image is a P-frame */ 726#define V4L2_BUF_FLAG_PFRAME 0x00000010 727/* Image is a B-frame */ 728#define V4L2_BUF_FLAG_BFRAME 0x00000020 729/* Buffer is ready, but the data contained within is corrupted. */ 730#define V4L2_BUF_FLAG_ERROR 0x00000040 731/* timecode field is valid */ 732#define V4L2_BUF_FLAG_TIMECODE 0x00000100 733/* Buffer is prepared for queuing */ 734#define V4L2_BUF_FLAG_PREPARED 0x00000400 735/* Cache handling flags */ 736#define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 737#define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 738/* Timestamp type */ 739#define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 740#define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 741#define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 742#define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 743/* Timestamp sources. */ 744#define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 745#define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 746#define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 747/* Vendor extensions */ 748#define V4L2_QCOM_BUF_FLAG_CODECCONFIG 0x00020000 749#define V4L2_QCOM_BUF_FLAG_EOSEQ 0x00040000 750#define V4L2_QCOM_BUF_TIMESTAMP_INVALID 0x00080000 751#define V4L2_QCOM_BUF_FLAG_IDRFRAME 0x00100000 752#define V4L2_QCOM_BUF_FLAG_DECODEONLY 0x00200000 753#define V4L2_QCOM_BUF_DATA_CORRUPT 0x00400000 754#define V4L2_QCOM_BUF_DROP_FRAME 0x00800000 755#define V4L2_QCOM_BUF_INPUT_UNSUPPORTED 0x01000000 756#define V4L2_QCOM_BUF_FLAG_EOS 0x02000000 757#define V4L2_QCOM_BUF_FLAG_READONLY 0x04000000 758#define V4L2_MSM_VIDC_BUF_START_CODE_NOT_FOUND 0x08000000 759#define V4L2_MSM_BUF_FLAG_YUV_601_709_CLAMP 0x10000000 760#define V4L2_MSM_BUF_FLAG_MBAFF 0x20000000 761#define V4L2_MSM_BUF_FLAG_DEFER 0x40000000 762 763/** 764 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 765 * 766 * @index: id number of the buffer 767 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 768 * multiplanar buffers); 769 * @plane: index of the plane to be exported, 0 for single plane queues 770 * @flags: flags for newly created file, currently only O_CLOEXEC is 771 * supported, refer to manual of open syscall for more details 772 * @fd: file descriptor associated with DMABUF (set by driver) 773 * 774 * Contains data used for exporting a video buffer as DMABUF file descriptor. 775 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 776 * (identical to the cookie used to mmap() the buffer to userspace). All 777 * reserved fields must be set to zero. The field reserved0 is expected to 778 * become a structure 'type' allowing an alternative layout of the structure 779 * content. Therefore this field should not be used for any other extensions. 780 */ 781struct v4l2_exportbuffer { 782 __u32 type; /* enum v4l2_buf_type */ 783 __u32 index; 784 __u32 plane; 785 __u32 flags; 786 __s32 fd; 787 __u32 reserved[11]; 788}; 789 790/* 791 * O V E R L A Y P R E V I E W 792 */ 793struct v4l2_framebuffer { 794 __u32 capability; 795 __u32 flags; 796/* FIXME: in theory we should pass something like PCI device + memory 797 * region + offset instead of some physical address */ 798 void *base; 799 struct { 800 __u32 width; 801 __u32 height; 802 __u32 pixelformat; 803 __u32 field; /* enum v4l2_field */ 804 __u32 bytesperline; /* for padding, zero if unused */ 805 __u32 sizeimage; 806 __u32 colorspace; /* enum v4l2_colorspace */ 807 __u32 priv; /* reserved field, set to 0 */ 808 } fmt; 809}; 810/* Flags for the 'capability' field. Read only */ 811#define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 812#define V4L2_FBUF_CAP_CHROMAKEY 0x0002 813#define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 814#define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 815#define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 816#define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 817#define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 818#define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 819/* Flags for the 'flags' field. */ 820#define V4L2_FBUF_FLAG_PRIMARY 0x0001 821#define V4L2_FBUF_FLAG_OVERLAY 0x0002 822#define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 823#define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 824#define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 825#define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 826#define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 827 828struct v4l2_clip { 829 struct v4l2_rect c; 830 struct v4l2_clip *next; 831}; 832 833struct v4l2_window { 834 struct v4l2_rect w; 835 __u32 field; /* enum v4l2_field */ 836 __u32 chromakey; 837 struct v4l2_clip *clips; 838 __u32 clipcount; 839 void *bitmap; 840 __u8 global_alpha; 841}; 842 843/* 844 * C A P T U R E P A R A M E T E R S 845 */ 846struct v4l2_captureparm { 847 __u32 capability; /* Supported modes */ 848 __u32 capturemode; /* Current mode */ 849 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 850 __u32 extendedmode; /* Driver-specific extensions */ 851 __u32 readbuffers; /* # of buffers for read */ 852 __u32 reserved[4]; 853}; 854 855/* Flags for 'capability' and 'capturemode' fields */ 856#define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 857#define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 858#define V4L2_CAP_QCOM_FRAMESKIP 0x2000 /* frame skipping is supported */ 859 860struct v4l2_qcom_frameskip { 861 __u64 maxframeinterval; 862 __u8 fpsvariance; 863}; 864 865struct v4l2_outputparm { 866 __u32 capability; /* Supported modes */ 867 __u32 outputmode; /* Current mode */ 868 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 869 __u32 extendedmode; /* Driver-specific extensions */ 870 __u32 writebuffers; /* # of buffers for write */ 871 __u32 reserved[4]; 872}; 873 874/* 875 * I N P U T I M A G E C R O P P I N G 876 */ 877struct v4l2_cropcap { 878 __u32 type; /* enum v4l2_buf_type */ 879 struct v4l2_rect bounds; 880 struct v4l2_rect defrect; 881 struct v4l2_fract pixelaspect; 882}; 883 884struct v4l2_crop { 885 __u32 type; /* enum v4l2_buf_type */ 886 struct v4l2_rect c; 887}; 888 889/** 890 * struct v4l2_selection - selection info 891 * @type: buffer type (do not use *_MPLANE types) 892 * @target: Selection target, used to choose one of possible rectangles; 893 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 894 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 895 * @r: coordinates of selection window 896 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 897 * 898 * Hardware may use multiple helper windows to process a video stream. 899 * The structure is used to exchange this selection areas between 900 * an application and a driver. 901 */ 902struct v4l2_selection { 903 __u32 type; 904 __u32 target; 905 __u32 flags; 906 struct v4l2_rect r; 907 __u32 reserved[9]; 908}; 909 910 911/* 912 * A N A L O G V I D E O S T A N D A R D 913 */ 914 915typedef __u64 v4l2_std_id; 916 917/* one bit for each */ 918#define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 919#define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 920#define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 921#define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 922#define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 923#define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 924#define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 925#define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 926 927#define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 928#define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 929#define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 930#define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 931 932#define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 933#define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 934#define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 935#define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 936 937#define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 938#define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 939#define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 940#define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 941#define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 942#define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 943#define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 944#define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 945 946/* ATSC/HDTV */ 947#define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 948#define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 949 950/* FIXME: 951 Although std_id is 64 bits, there is an issue on PPC32 architecture that 952 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 953 this value to 32 bits. 954 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 955 it should work fine. However, if needed to add more than two standards, 956 v4l2-common.c should be fixed. 957 */ 958 959/* 960 * Some macros to merge video standards in order to make live easier for the 961 * drivers and V4L2 applications 962 */ 963 964/* 965 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 966 * Missing here. 967 */ 968#define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 969 V4L2_STD_NTSC_M_JP |\ 970 V4L2_STD_NTSC_M_KR) 971/* Secam macros */ 972#define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 973 V4L2_STD_SECAM_K |\ 974 V4L2_STD_SECAM_K1) 975/* All Secam Standards */ 976#define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 977 V4L2_STD_SECAM_G |\ 978 V4L2_STD_SECAM_H |\ 979 V4L2_STD_SECAM_DK |\ 980 V4L2_STD_SECAM_L |\ 981 V4L2_STD_SECAM_LC) 982/* PAL macros */ 983#define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 984 V4L2_STD_PAL_B1 |\ 985 V4L2_STD_PAL_G) 986#define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 987 V4L2_STD_PAL_D1 |\ 988 V4L2_STD_PAL_K) 989/* 990 * "Common" PAL - This macro is there to be compatible with the old 991 * V4L1 concept of "PAL": /BGDKHI. 992 * Several PAL standards are missing here: /M, /N and /Nc 993 */ 994#define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 995 V4L2_STD_PAL_DK |\ 996 V4L2_STD_PAL_H |\ 997 V4L2_STD_PAL_I) 998/* Chroma "agnostic" standards */ 999#define V4L2_STD_B (V4L2_STD_PAL_B |\ 1000 V4L2_STD_PAL_B1 |\ 1001 V4L2_STD_SECAM_B) 1002#define V4L2_STD_G (V4L2_STD_PAL_G |\ 1003 V4L2_STD_SECAM_G) 1004#define V4L2_STD_H (V4L2_STD_PAL_H |\ 1005 V4L2_STD_SECAM_H) 1006#define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1007 V4L2_STD_SECAM_LC) 1008#define V4L2_STD_GH (V4L2_STD_G |\ 1009 V4L2_STD_H) 1010#define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1011 V4L2_STD_SECAM_DK) 1012#define V4L2_STD_BG (V4L2_STD_B |\ 1013 V4L2_STD_G) 1014#define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1015 V4L2_STD_PAL_N |\ 1016 V4L2_STD_PAL_Nc |\ 1017 V4L2_STD_NTSC) 1018 1019/* Standards where MTS/BTSC stereo could be found */ 1020#define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1021 V4L2_STD_PAL_M |\ 1022 V4L2_STD_PAL_N |\ 1023 V4L2_STD_PAL_Nc) 1024 1025/* Standards for Countries with 60Hz Line frequency */ 1026#define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1027 V4L2_STD_PAL_60 |\ 1028 V4L2_STD_NTSC |\ 1029 V4L2_STD_NTSC_443) 1030/* Standards for Countries with 50Hz Line frequency */ 1031#define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1032 V4L2_STD_PAL_N |\ 1033 V4L2_STD_PAL_Nc |\ 1034 V4L2_STD_SECAM) 1035 1036#define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1037 V4L2_STD_ATSC_16_VSB) 1038/* Macros with none and all analog standards */ 1039#define V4L2_STD_UNKNOWN 0 1040#define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1041 V4L2_STD_625_50) 1042 1043struct v4l2_standard { 1044 __u32 index; 1045 v4l2_std_id id; 1046 __u8 name[24]; 1047 struct v4l2_fract frameperiod; /* Frames, not fields */ 1048 __u32 framelines; 1049 __u32 reserved[4]; 1050}; 1051 1052/* 1053 * D V B T T I M I N G S 1054 */ 1055 1056/** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1057 * @width: total width of the active video in pixels 1058 * @height: total height of the active video in lines 1059 * @interlaced: Interlaced or progressive 1060 * @polarities: Positive or negative polarities 1061 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1062 * @hfrontporch:Horizontal front porch in pixels 1063 * @hsync: Horizontal Sync length in pixels 1064 * @hbackporch: Horizontal back porch in pixels 1065 * @vfrontporch:Vertical front porch in lines 1066 * @vsync: Vertical Sync length in lines 1067 * @vbackporch: Vertical back porch in lines 1068 * @il_vfrontporch:Vertical front porch for the even field 1069 * (aka field 2) of interlaced field formats 1070 * @il_vsync: Vertical Sync length for the even field 1071 * (aka field 2) of interlaced field formats 1072 * @il_vbackporch:Vertical back porch for the even field 1073 * (aka field 2) of interlaced field formats 1074 * @standards: Standards the timing belongs to 1075 * @flags: Flags 1076 * @reserved: Reserved fields, must be zeroed. 1077 * 1078 * A note regarding vertical interlaced timings: height refers to the total 1079 * height of the active video frame (= two fields). The blanking timings refer 1080 * to the blanking of each field. So the height of the total frame is 1081 * calculated as follows: 1082 * 1083 * tot_height = height + vfrontporch + vsync + vbackporch + 1084 * il_vfrontporch + il_vsync + il_vbackporch 1085 * 1086 * The active height of each field is height / 2. 1087 */ 1088struct v4l2_bt_timings { 1089 __u32 width; 1090 __u32 height; 1091 __u32 interlaced; 1092 __u32 polarities; 1093 __u64 pixelclock; 1094 __u32 hfrontporch; 1095 __u32 hsync; 1096 __u32 hbackporch; 1097 __u32 vfrontporch; 1098 __u32 vsync; 1099 __u32 vbackporch; 1100 __u32 il_vfrontporch; 1101 __u32 il_vsync; 1102 __u32 il_vbackporch; 1103 __u32 standards; 1104 __u32 flags; 1105 __u32 reserved[14]; 1106} __attribute__ ((packed)); 1107 1108/* Interlaced or progressive format */ 1109#define V4L2_DV_PROGRESSIVE 0 1110#define V4L2_DV_INTERLACED 1 1111 1112/* Polarities. If bit is not set, it is assumed to be negative polarity */ 1113#define V4L2_DV_VSYNC_POS_POL 0x00000001 1114#define V4L2_DV_HSYNC_POS_POL 0x00000002 1115 1116/* Timings standards */ 1117#define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1118#define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1119#define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1120#define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1121 1122/* Flags */ 1123 1124/* CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1125 GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1126 intervals are reduced, allowing a higher resolution over the same 1127 bandwidth. This is a read-only flag. */ 1128#define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1129/* CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1130 of six. These formats can be optionally played at 1 / 1.001 speed. 1131 This is a read-only flag. */ 1132#define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1133/* CEA-861 specific: only valid for video transmitters, the flag is cleared 1134 by receivers. 1135 If the framerate of the format is a multiple of six, then the pixelclock 1136 used to set up the transmitter is divided by 1.001 to make it compatible 1137 with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1138 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1139 such frequencies, then the flag will also be cleared. */ 1140#define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1141/* Specific to interlaced formats: if set, then field 1 is really one half-line 1142 longer and field 2 is really one half-line shorter, so each field has 1143 exactly the same number of half-lines. Whether half-lines can be detected 1144 or used depends on the hardware. */ 1145#define V4L2_DV_FL_HALF_LINE (1 << 3) 1146 1147/* A few useful defines to calculate the total blanking and frame sizes */ 1148#define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1149 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1150#define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1151 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1152#define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1153 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1154 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) 1155#define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1156 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1157 1158/** struct v4l2_dv_timings - DV timings 1159 * @type: the type of the timings 1160 * @bt: BT656/1120 timings 1161 */ 1162struct v4l2_dv_timings { 1163 __u32 type; 1164 union { 1165 struct v4l2_bt_timings bt; 1166 __u32 reserved[32]; 1167 }; 1168} __attribute__ ((packed)); 1169 1170/* Values for the type field */ 1171#define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1172 1173 1174/** struct v4l2_enum_dv_timings - DV timings enumeration 1175 * @index: enumeration index 1176 * @pad: the pad number for which to enumerate timings (used with 1177 * v4l-subdev nodes only) 1178 * @reserved: must be zeroed 1179 * @timings: the timings for the given index 1180 */ 1181struct v4l2_enum_dv_timings { 1182 __u32 index; 1183 __u32 pad; 1184 __u32 reserved[2]; 1185 struct v4l2_dv_timings timings; 1186}; 1187 1188/** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1189 * @min_width: width in pixels 1190 * @max_width: width in pixels 1191 * @min_height: height in lines 1192 * @max_height: height in lines 1193 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1194 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1195 * @standards: Supported standards 1196 * @capabilities: Supported capabilities 1197 * @reserved: Must be zeroed 1198 */ 1199struct v4l2_bt_timings_cap { 1200 __u32 min_width; 1201 __u32 max_width; 1202 __u32 min_height; 1203 __u32 max_height; 1204 __u64 min_pixelclock; 1205 __u64 max_pixelclock; 1206 __u32 standards; 1207 __u32 capabilities; 1208 __u32 reserved[16]; 1209} __attribute__ ((packed)); 1210 1211/* Supports interlaced formats */ 1212#define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1213/* Supports progressive formats */ 1214#define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1215/* Supports CVT/GTF reduced blanking */ 1216#define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1217/* Supports custom formats */ 1218#define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1219 1220/** struct v4l2_dv_timings_cap - DV timings capabilities 1221 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1222 * @pad: the pad number for which to query capabilities (used with 1223 * v4l-subdev nodes only) 1224 * @bt: the BT656/1120 timings capabilities 1225 */ 1226struct v4l2_dv_timings_cap { 1227 __u32 type; 1228 __u32 pad; 1229 __u32 reserved[2]; 1230 union { 1231 struct v4l2_bt_timings_cap bt; 1232 __u32 raw_data[32]; 1233 }; 1234}; 1235 1236 1237/* 1238 * V I D E O I N P U T S 1239 */ 1240struct v4l2_input { 1241 __u32 index; /* Which input */ 1242 __u8 name[32]; /* Label */ 1243 __u32 type; /* Type of input */ 1244 __u32 audioset; /* Associated audios (bitfield) */ 1245 __u32 tuner; /* enum v4l2_tuner_type */ 1246 v4l2_std_id std; 1247 __u32 status; 1248 __u32 capabilities; 1249 __u32 reserved[3]; 1250}; 1251 1252/* Values for the 'type' field */ 1253#define V4L2_INPUT_TYPE_TUNER 1 1254#define V4L2_INPUT_TYPE_CAMERA 2 1255 1256/* field 'status' - general */ 1257#define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1258#define V4L2_IN_ST_NO_SIGNAL 0x00000002 1259#define V4L2_IN_ST_NO_COLOR 0x00000004 1260 1261/* field 'status' - sensor orientation */ 1262/* If sensor is mounted upside down set both bits */ 1263#define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1264#define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1265 1266/* field 'status' - analog */ 1267#define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1268#define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1269 1270/* field 'status' - digital */ 1271#define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1272#define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1273#define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1274 1275/* field 'status' - VCR and set-top box */ 1276#define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1277#define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1278#define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1279 1280/* capabilities flags */ 1281#define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1282#define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1283#define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1284 1285/* 1286 * V I D E O O U T P U T S 1287 */ 1288struct v4l2_output { 1289 __u32 index; /* Which output */ 1290 __u8 name[32]; /* Label */ 1291 __u32 type; /* Type of output */ 1292 __u32 audioset; /* Associated audios (bitfield) */ 1293 __u32 modulator; /* Associated modulator */ 1294 v4l2_std_id std; 1295 __u32 capabilities; 1296 __u32 reserved[3]; 1297}; 1298/* Values for the 'type' field */ 1299#define V4L2_OUTPUT_TYPE_MODULATOR 1 1300#define V4L2_OUTPUT_TYPE_ANALOG 2 1301#define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1302 1303/* capabilities flags */ 1304#define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1305#define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1306#define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1307 1308/* 1309 * C O N T R O L S 1310 */ 1311struct v4l2_control { 1312 __u32 id; 1313 __s32 value; 1314}; 1315 1316struct v4l2_ext_control { 1317 __u32 id; 1318 __u32 size; 1319 __u32 reserved2[1]; 1320 union { 1321 __s32 value; 1322 __s64 value64; 1323 char *string; 1324 __u8 *p_u8; 1325 __u16 *p_u16; 1326 __u32 *p_u32; 1327 void *ptr; 1328 }; 1329} __attribute__ ((packed)); 1330 1331struct v4l2_ext_controls { 1332 __u32 ctrl_class; 1333 __u32 count; 1334 __u32 error_idx; 1335 __u32 reserved[2]; 1336 struct v4l2_ext_control *controls; 1337}; 1338 1339#define V4L2_CTRL_ID_MASK (0x0fffffff) 1340#define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1341#define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1342#define V4L2_CTRL_MAX_DIMS (4) 1343 1344enum v4l2_ctrl_type { 1345 V4L2_CTRL_TYPE_INTEGER = 1, 1346 V4L2_CTRL_TYPE_BOOLEAN = 2, 1347 V4L2_CTRL_TYPE_MENU = 3, 1348 V4L2_CTRL_TYPE_BUTTON = 4, 1349 V4L2_CTRL_TYPE_INTEGER64 = 5, 1350 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1351 V4L2_CTRL_TYPE_STRING = 7, 1352 V4L2_CTRL_TYPE_BITMASK = 8, 1353 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1354 1355 /* Compound types are >= 0x0100 */ 1356 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1357 V4L2_CTRL_TYPE_U8 = 0x0100, 1358 V4L2_CTRL_TYPE_U16 = 0x0101, 1359 V4L2_CTRL_TYPE_U32 = 0x0102, 1360}; 1361 1362/* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1363struct v4l2_queryctrl { 1364 __u32 id; 1365 __u32 type; /* enum v4l2_ctrl_type */ 1366 __u8 name[32]; /* Whatever */ 1367 __s32 minimum; /* Note signedness */ 1368 __s32 maximum; 1369 __s32 step; 1370 __s32 default_value; 1371 __u32 flags; 1372 __u32 reserved[2]; 1373}; 1374 1375/* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1376struct v4l2_query_ext_ctrl { 1377 __u32 id; 1378 __u32 type; 1379 char name[32]; 1380 __s64 minimum; 1381 __s64 maximum; 1382 __u64 step; 1383 __s64 default_value; 1384 __u32 flags; 1385 __u32 elem_size; 1386 __u32 elems; 1387 __u32 nr_of_dims; 1388 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1389 __u32 reserved[32]; 1390}; 1391 1392/* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1393struct v4l2_querymenu { 1394 __u32 id; 1395 __u32 index; 1396 union { 1397 __u8 name[32]; /* Whatever */ 1398 __s64 value; 1399 }; 1400 __u32 reserved; 1401} __attribute__ ((packed)); 1402 1403/* Control flags */ 1404#define V4L2_CTRL_FLAG_DISABLED 0x0001 1405#define V4L2_CTRL_FLAG_GRABBED 0x0002 1406#define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1407#define V4L2_CTRL_FLAG_UPDATE 0x0008 1408#define V4L2_CTRL_FLAG_INACTIVE 0x0010 1409#define V4L2_CTRL_FLAG_SLIDER 0x0020 1410#define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1411#define V4L2_CTRL_FLAG_VOLATILE 0x0080 1412#define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1413 1414/* Query flags, to be ORed with the control ID */ 1415#define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1416#define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1417 1418/* User-class control IDs defined by V4L2 */ 1419#define V4L2_CID_MAX_CTRLS 1024 1420/* IDs reserved for driver specific controls */ 1421#define V4L2_CID_PRIVATE_BASE 0x08000000 1422 1423 1424/* 1425 * T U N I N G 1426 */ 1427struct v4l2_tuner { 1428 __u32 index; 1429 __u8 name[32]; 1430 __u32 type; /* enum v4l2_tuner_type */ 1431 __u32 capability; 1432 __u32 rangelow; 1433 __u32 rangehigh; 1434 __u32 rxsubchans; 1435 __u32 audmode; 1436 __s32 signal; 1437 __s32 afc; 1438 __u32 reserved[4]; 1439}; 1440 1441struct v4l2_modulator { 1442 __u32 index; 1443 __u8 name[32]; 1444 __u32 capability; 1445 __u32 rangelow; 1446 __u32 rangehigh; 1447 __u32 txsubchans; 1448 __u32 reserved[4]; 1449}; 1450 1451/* Flags for the 'capability' field */ 1452#define V4L2_TUNER_CAP_LOW 0x0001 1453#define V4L2_TUNER_CAP_NORM 0x0002 1454#define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1455#define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1456#define V4L2_TUNER_CAP_STEREO 0x0010 1457#define V4L2_TUNER_CAP_LANG2 0x0020 1458#define V4L2_TUNER_CAP_SAP 0x0020 1459#define V4L2_TUNER_CAP_LANG1 0x0040 1460#define V4L2_TUNER_CAP_RDS 0x0080 1461#define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1462#define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1463#define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1464#define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1465#define V4L2_TUNER_CAP_1HZ 0x1000 1466 1467/* Flags for the 'rxsubchans' field */ 1468#define V4L2_TUNER_SUB_MONO 0x0001 1469#define V4L2_TUNER_SUB_STEREO 0x0002 1470#define V4L2_TUNER_SUB_LANG2 0x0004 1471#define V4L2_TUNER_SUB_SAP 0x0004 1472#define V4L2_TUNER_SUB_LANG1 0x0008 1473#define V4L2_TUNER_SUB_RDS 0x0010 1474 1475/* Values for the 'audmode' field */ 1476#define V4L2_TUNER_MODE_MONO 0x0000 1477#define V4L2_TUNER_MODE_STEREO 0x0001 1478#define V4L2_TUNER_MODE_LANG2 0x0002 1479#define V4L2_TUNER_MODE_SAP 0x0002 1480#define V4L2_TUNER_MODE_LANG1 0x0003 1481#define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1482 1483struct v4l2_frequency { 1484 __u32 tuner; 1485 __u32 type; /* enum v4l2_tuner_type */ 1486 __u32 frequency; 1487 __u32 reserved[8]; 1488}; 1489 1490#define V4L2_BAND_MODULATION_VSB (1 << 1) 1491#define V4L2_BAND_MODULATION_FM (1 << 2) 1492#define V4L2_BAND_MODULATION_AM (1 << 3) 1493 1494struct v4l2_frequency_band { 1495 __u32 tuner; 1496 __u32 type; /* enum v4l2_tuner_type */ 1497 __u32 index; 1498 __u32 capability; 1499 __u32 rangelow; 1500 __u32 rangehigh; 1501 __u32 modulation; 1502 __u32 reserved[9]; 1503}; 1504 1505struct v4l2_hw_freq_seek { 1506 __u32 tuner; 1507 __u32 type; /* enum v4l2_tuner_type */ 1508 __u32 seek_upward; 1509 __u32 wrap_around; 1510 __u32 spacing; 1511 __u32 rangelow; 1512 __u32 rangehigh; 1513 __u32 reserved[5]; 1514}; 1515 1516/* 1517 * R D S 1518 */ 1519 1520struct v4l2_rds_data { 1521 __u8 lsb; 1522 __u8 msb; 1523 __u8 block; 1524} __attribute__ ((packed)); 1525 1526#define V4L2_RDS_BLOCK_MSK 0x7 1527#define V4L2_RDS_BLOCK_A 0 1528#define V4L2_RDS_BLOCK_B 1 1529#define V4L2_RDS_BLOCK_C 2 1530#define V4L2_RDS_BLOCK_D 3 1531#define V4L2_RDS_BLOCK_C_ALT 4 1532#define V4L2_RDS_BLOCK_INVALID 7 1533 1534#define V4L2_RDS_BLOCK_CORRECTED 0x40 1535#define V4L2_RDS_BLOCK_ERROR 0x80 1536 1537/* 1538 * A U D I O 1539 */ 1540struct v4l2_audio { 1541 __u32 index; 1542 __u8 name[32]; 1543 __u32 capability; 1544 __u32 mode; 1545 __u32 reserved[2]; 1546}; 1547 1548/* Flags for the 'capability' field */ 1549#define V4L2_AUDCAP_STEREO 0x00001 1550#define V4L2_AUDCAP_AVL 0x00002 1551 1552/* Flags for the 'mode' field */ 1553#define V4L2_AUDMODE_AVL 0x00001 1554 1555struct v4l2_audioout { 1556 __u32 index; 1557 __u8 name[32]; 1558 __u32 capability; 1559 __u32 mode; 1560 __u32 reserved[2]; 1561}; 1562 1563/* 1564 * M P E G S E R V I C E S 1565 * 1566 * NOTE: EXPERIMENTAL API 1567 */ 1568#if 1 1569#define V4L2_ENC_IDX_FRAME_I (0) 1570#define V4L2_ENC_IDX_FRAME_P (1) 1571#define V4L2_ENC_IDX_FRAME_B (2) 1572#define V4L2_ENC_IDX_FRAME_MASK (0xf) 1573 1574struct v4l2_enc_idx_entry { 1575 __u64 offset; 1576 __u64 pts; 1577 __u32 length; 1578 __u32 flags; 1579 __u32 reserved[2]; 1580}; 1581 1582#define V4L2_ENC_IDX_ENTRIES (64) 1583struct v4l2_enc_idx { 1584 __u32 entries; 1585 __u32 entries_cap; 1586 __u32 reserved[4]; 1587 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 1588}; 1589 1590 1591#define V4L2_ENC_CMD_START (0) 1592#define V4L2_ENC_CMD_STOP (1) 1593#define V4L2_ENC_CMD_PAUSE (2) 1594#define V4L2_ENC_CMD_RESUME (3) 1595#define V4L2_ENC_QCOM_CMD_FLUSH (4) 1596 1597/* Flags for V4L2_ENC_CMD_STOP */ 1598#define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 1599 1600struct v4l2_encoder_cmd { 1601 __u32 cmd; 1602 __u32 flags; 1603 union { 1604 struct { 1605 __u32 data[8]; 1606 } raw; 1607 }; 1608}; 1609 1610/* Decoder commands */ 1611#define V4L2_DEC_CMD_START (0) 1612#define V4L2_DEC_CMD_STOP (1) 1613#define V4L2_DEC_CMD_PAUSE (2) 1614#define V4L2_DEC_CMD_RESUME (3) 1615#define V4L2_DEC_QCOM_CMD_FLUSH (4) 1616 1617/* Flags for V4L2_DEC_CMD_START */ 1618#define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 1619 1620/* Flags for V4L2_DEC_CMD_PAUSE */ 1621#define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 1622 1623/* Flags for V4L2_DEC_CMD_STOP */ 1624#define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 1625#define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 1626 1627/* Flags for V4L2_DEC_QCOM_CMD_FLUSH */ 1628#define V4L2_DEC_QCOM_CMD_FLUSH_OUTPUT (1 << 0) 1629#define V4L2_DEC_QCOM_CMD_FLUSH_CAPTURE (1 << 1) 1630 1631#define V4L2_QCOM_CMD_FLUSH_OUTPUT (1 << 0) 1632#define V4L2_QCOM_CMD_FLUSH_CAPTURE (1 << 1) 1633 1634/* Play format requirements (returned by the driver): */ 1635 1636/* The decoder has no special format requirements */ 1637#define V4L2_DEC_START_FMT_NONE (0) 1638/* The decoder requires full GOPs */ 1639#define V4L2_DEC_START_FMT_GOP (1) 1640 1641/* The structure must be zeroed before use by the application 1642 This ensures it can be extended safely in the future. */ 1643struct v4l2_decoder_cmd { 1644 __u32 cmd; 1645 __u32 flags; 1646 union { 1647 struct { 1648 __u64 pts; 1649 } stop; 1650 1651 struct { 1652 /* 0 or 1000 specifies normal speed, 1653 1 specifies forward single stepping, 1654 -1 specifies backward single stepping, 1655 >1: playback at speed/1000 of the normal speed, 1656 <-1: reverse playback at (-speed/1000) of the normal speed. */ 1657 __s32 speed; 1658 __u32 format; 1659 } start; 1660 1661 struct { 1662 __u32 data[16]; 1663 } raw; 1664 }; 1665}; 1666#endif 1667 1668 1669/* 1670 * D A T A S E R V I C E S ( V B I ) 1671 * 1672 * Data services API by Michael Schimek 1673 */ 1674 1675/* Raw VBI */ 1676struct v4l2_vbi_format { 1677 __u32 sampling_rate; /* in 1 Hz */ 1678 __u32 offset; 1679 __u32 samples_per_line; 1680 __u32 sample_format; /* V4L2_PIX_FMT_* */ 1681 __s32 start[2]; 1682 __u32 count[2]; 1683 __u32 flags; /* V4L2_VBI_* */ 1684 __u32 reserved[2]; /* must be zero */ 1685}; 1686 1687/* VBI flags */ 1688#define V4L2_VBI_UNSYNC (1 << 0) 1689#define V4L2_VBI_INTERLACED (1 << 1) 1690 1691/* ITU-R start lines for each field */ 1692#define V4L2_VBI_ITU_525_F1_START (1) 1693#define V4L2_VBI_ITU_525_F2_START (264) 1694#define V4L2_VBI_ITU_625_F1_START (1) 1695#define V4L2_VBI_ITU_625_F2_START (314) 1696 1697/* Sliced VBI 1698 * 1699 * This implements is a proposal V4L2 API to allow SLICED VBI 1700 * required for some hardware encoders. It should change without 1701 * notice in the definitive implementation. 1702 */ 1703 1704struct v4l2_sliced_vbi_format { 1705 __u16 service_set; 1706 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1707 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1708 (equals frame lines 313-336 for 625 line video 1709 standards, 263-286 for 525 line standards) */ 1710 __u16 service_lines[2][24]; 1711 __u32 io_size; 1712 __u32 reserved[2]; /* must be zero */ 1713}; 1714 1715/* Teletext World System Teletext 1716 (WST), defined on ITU-R BT.653-2 */ 1717#define V4L2_SLICED_TELETEXT_B (0x0001) 1718/* Video Program System, defined on ETS 300 231*/ 1719#define V4L2_SLICED_VPS (0x0400) 1720/* Closed Caption, defined on EIA-608 */ 1721#define V4L2_SLICED_CAPTION_525 (0x1000) 1722/* Wide Screen System, defined on ITU-R BT1119.1 */ 1723#define V4L2_SLICED_WSS_625 (0x4000) 1724 1725#define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 1726#define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 1727 1728struct v4l2_sliced_vbi_cap { 1729 __u16 service_set; 1730 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1731 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1732 (equals frame lines 313-336 for 625 line video 1733 standards, 263-286 for 525 line standards) */ 1734 __u16 service_lines[2][24]; 1735 __u32 type; /* enum v4l2_buf_type */ 1736 __u32 reserved[3]; /* must be 0 */ 1737}; 1738 1739struct v4l2_sliced_vbi_data { 1740 __u32 id; 1741 __u32 field; /* 0: first field, 1: second field */ 1742 __u32 line; /* 1-23 */ 1743 __u32 reserved; /* must be 0 */ 1744 __u8 data[48]; 1745}; 1746 1747/* 1748 * Sliced VBI data inserted into MPEG Streams 1749 */ 1750 1751/* 1752 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 1753 * 1754 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 1755 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 1756 * data 1757 * 1758 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 1759 * definitions are not included here. See the MPEG-2 specifications for details 1760 * on these headers. 1761 */ 1762 1763/* Line type IDs */ 1764#define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 1765#define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 1766#define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 1767#define V4L2_MPEG_VBI_IVTV_VPS (7) 1768 1769struct v4l2_mpeg_vbi_itv0_line { 1770 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 1771 __u8 data[42]; /* Sliced VBI data for the line */ 1772} __attribute__ ((packed)); 1773 1774struct v4l2_mpeg_vbi_itv0 { 1775 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 1776 struct v4l2_mpeg_vbi_itv0_line line[35]; 1777} __attribute__ ((packed)); 1778 1779struct v4l2_mpeg_vbi_ITV0 { 1780 struct v4l2_mpeg_vbi_itv0_line line[36]; 1781} __attribute__ ((packed)); 1782 1783#define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 1784#define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 1785 1786struct v4l2_mpeg_vbi_fmt_ivtv { 1787 __u8 magic[4]; 1788 union { 1789 struct v4l2_mpeg_vbi_itv0 itv0; 1790 struct v4l2_mpeg_vbi_ITV0 ITV0; 1791 }; 1792} __attribute__ ((packed)); 1793 1794/* 1795 * A G G R E G A T E S T R U C T U R E S 1796 */ 1797 1798/** 1799 * struct v4l2_plane_pix_format - additional, per-plane format definition 1800 * @sizeimage: maximum size in bytes required for data, for which 1801 * this plane will be used 1802 * @bytesperline: distance in bytes between the leftmost pixels in two 1803 * adjacent lines 1804 */ 1805struct v4l2_plane_pix_format { 1806 __u32 sizeimage; 1807 __u16 bytesperline; 1808 __u16 reserved[7]; 1809} __attribute__ ((packed)); 1810 1811/** 1812 * struct v4l2_pix_format_mplane - multiplanar format definition 1813 * @width: image width in pixels 1814 * @height: image height in pixels 1815 * @pixelformat: little endian four character code (fourcc) 1816 * @field: enum v4l2_field; field order (for interlaced video) 1817 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 1818 * @plane_fmt: per-plane information 1819 * @num_planes: number of planes for this format 1820 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 1821 */ 1822struct v4l2_pix_format_mplane { 1823 __u32 width; 1824 __u32 height; 1825 __u32 pixelformat; 1826 __u32 field; 1827 __u32 colorspace; 1828 1829 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 1830 __u8 num_planes; 1831 __u8 flags; 1832 __u8 reserved[10]; 1833} __attribute__ ((packed)); 1834 1835/** 1836 * struct v4l2_sdr_format - SDR format definition 1837 * @pixelformat: little endian four character code (fourcc) 1838 * @buffersize: maximum size in bytes required for data 1839 */ 1840struct v4l2_sdr_format { 1841 __u32 pixelformat; 1842 __u32 buffersize; 1843 __u8 reserved[24]; 1844} __attribute__ ((packed)); 1845 1846/** 1847 * struct v4l2_format - stream data format 1848 * @type: enum v4l2_buf_type; type of the data stream 1849 * @pix: definition of an image format 1850 * @pix_mp: definition of a multiplanar image format 1851 * @win: definition of an overlaid image 1852 * @vbi: raw VBI capture or output parameters 1853 * @sliced: sliced VBI capture or output parameters 1854 * @raw_data: placeholder for future extensions and custom formats 1855 */ 1856struct v4l2_format { 1857 __u32 type; 1858 union { 1859 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 1860 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 1861 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 1862 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 1863 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 1864 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 1865 __u8 raw_data[200]; /* user-defined */ 1866 } fmt; 1867}; 1868 1869/* Stream type-dependent parameters 1870 */ 1871struct v4l2_streamparm { 1872 __u32 type; /* enum v4l2_buf_type */ 1873 union { 1874 struct v4l2_captureparm capture; 1875 struct v4l2_outputparm output; 1876 __u8 raw_data[200]; /* user-defined */ 1877 } parm; 1878}; 1879 1880/* 1881 * E V E N T S 1882 */ 1883 1884#define V4L2_EVENT_ALL 0 1885#define V4L2_EVENT_VSYNC 1 1886#define V4L2_EVENT_EOS 2 1887#define V4L2_EVENT_CTRL 3 1888#define V4L2_EVENT_FRAME_SYNC 4 1889#define V4L2_EVENT_SOURCE_CHANGE 5 1890#define V4L2_EVENT_MOTION_DET 6 1891#define V4L2_EVENT_PRIVATE_START 0x08000000 1892 1893#define V4L2_EVENT_MSM_VIDC_START (V4L2_EVENT_PRIVATE_START + 0x00001000) 1894#define V4L2_EVENT_MSM_VIDC_FLUSH_DONE (V4L2_EVENT_MSM_VIDC_START + 1) 1895#define V4L2_EVENT_MSM_VIDC_PORT_SETTINGS_CHANGED_SUFFICIENT \ 1896 (V4L2_EVENT_MSM_VIDC_START + 2) 1897#define V4L2_EVENT_MSM_VIDC_PORT_SETTINGS_CHANGED_INSUFFICIENT \ 1898 (V4L2_EVENT_MSM_VIDC_START + 3) 1899#define V4L2_EVENT_MSM_VIDC_PORT_SETTINGS_BITDEPTH_CHANGED_INSUFFICIENT \ 1900 (V4L2_EVENT_MSM_VIDC_START + 4) 1901#define V4L2_EVENT_MSM_VIDC_SYS_ERROR (V4L2_EVENT_MSM_VIDC_START + 5) 1902#define V4L2_EVENT_MSM_VIDC_RELEASE_BUFFER_REFERENCE \ 1903 (V4L2_EVENT_MSM_VIDC_START + 6) 1904#define V4L2_EVENT_MSM_VIDC_RELEASE_UNQUEUED_BUFFER \ 1905 (V4L2_EVENT_MSM_VIDC_START + 7) 1906#define V4L2_EVENT_MSM_VIDC_HW_OVERLOAD (V4L2_EVENT_MSM_VIDC_START + 8) 1907#define V4L2_EVENT_MSM_VIDC_MAX_CLIENTS (V4L2_EVENT_MSM_VIDC_START + 9) 1908#define V4L2_EVENT_MSM_VIDC_HW_UNSUPPORTED (V4L2_EVENT_MSM_VIDC_START + 10) 1909 1910/* Payload for V4L2_EVENT_VSYNC */ 1911struct v4l2_event_vsync { 1912 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 1913 __u8 field; 1914} __attribute__ ((packed)); 1915 1916/* Payload for V4L2_EVENT_CTRL */ 1917#define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 1918#define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 1919#define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 1920 1921struct v4l2_event_ctrl { 1922 __u32 changes; 1923 __u32 type; 1924 union { 1925 __s32 value; 1926 __s64 value64; 1927 }; 1928 __u32 flags; 1929 __s32 minimum; 1930 __s32 maximum; 1931 __s32 step; 1932 __s32 default_value; 1933}; 1934 1935struct v4l2_event_frame_sync { 1936 __u32 frame_sequence; 1937}; 1938 1939#define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 1940 1941struct v4l2_event_src_change { 1942 __u32 changes; 1943}; 1944 1945#define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 1946 1947/** 1948 * struct v4l2_event_motion_det - motion detection event 1949 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 1950 * frame_sequence field is valid. 1951 * @frame_sequence: the frame sequence number associated with this event. 1952 * @region_mask: which regions detected motion. 1953 */ 1954struct v4l2_event_motion_det { 1955 __u32 flags; 1956 __u32 frame_sequence; 1957 __u32 region_mask; 1958}; 1959 1960struct v4l2_event { 1961 __u32 type; 1962 union { 1963 struct v4l2_event_vsync vsync; 1964 struct v4l2_event_ctrl ctrl; 1965 struct v4l2_event_frame_sync frame_sync; 1966 struct v4l2_event_src_change src_change; 1967 struct v4l2_event_motion_det motion_det; 1968 __u8 data[64]; 1969 } u; 1970 __u32 pending; 1971 __u32 sequence; 1972 struct timespec timestamp; 1973 __u32 id; 1974 __u32 reserved[8]; 1975}; 1976 1977#define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 1978#define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 1979 1980struct v4l2_event_subscription { 1981 __u32 type; 1982 __u32 id; 1983 __u32 flags; 1984 __u32 reserved[5]; 1985}; 1986 1987/* 1988 * A D V A N C E D D E B U G G I N G 1989 * 1990 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 1991 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 1992 */ 1993 1994/* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 1995 1996#define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 1997#define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 1998 1999/* The following four defines are no longer in use */ 2000#define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2001#define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2002#define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2003#define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2004 2005struct v4l2_dbg_match { 2006 __u32 type; /* Match type */ 2007 union { /* Match this chip, meaning determined by type */ 2008 __u32 addr; 2009 char name[32]; 2010 }; 2011} __attribute__ ((packed)); 2012 2013struct v4l2_dbg_register { 2014 struct v4l2_dbg_match match; 2015 __u32 size; /* register size in bytes */ 2016 __u64 reg; 2017 __u64 val; 2018} __attribute__ ((packed)); 2019 2020#define V4L2_CHIP_FL_READABLE (1 << 0) 2021#define V4L2_CHIP_FL_WRITABLE (1 << 1) 2022 2023/* VIDIOC_DBG_G_CHIP_INFO */ 2024struct v4l2_dbg_chip_info { 2025 struct v4l2_dbg_match match; 2026 char name[32]; 2027 __u32 flags; 2028 __u32 reserved[32]; 2029} __attribute__ ((packed)); 2030 2031/** 2032 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2033 * @index: on return, index of the first created buffer 2034 * @count: entry: number of requested buffers, 2035 * return: number of created buffers 2036 * @memory: enum v4l2_memory; buffer memory type 2037 * @format: frame format, for which buffers are requested 2038 * @reserved: future extensions 2039 */ 2040struct v4l2_create_buffers { 2041 __u32 index; 2042 __u32 count; 2043 __u32 memory; 2044 struct v4l2_format format; 2045 __u32 reserved[8]; 2046}; 2047 2048/* 2049 * 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 2050 * 2051 */ 2052#define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2053#define VIDIOC_RESERVED _IO('V', 1) 2054#define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2055#define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2056#define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2057#define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2058#define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2059#define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2060#define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2061#define VIDIOC_OVERLAY _IOW('V', 14, int) 2062#define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2063#define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2064#define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2065#define VIDIOC_STREAMON _IOW('V', 18, int) 2066#define VIDIOC_STREAMOFF _IOW('V', 19, int) 2067#define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2068#define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2069#define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2070#define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2071#define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2072#define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2073#define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2074#define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2075#define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2076#define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2077#define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2078#define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2079#define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2080#define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2081#define VIDIOC_G_INPUT _IOR('V', 38, int) 2082#define VIDIOC_S_INPUT _IOWR('V', 39, int) 2083#define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2084#define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2085#define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2086#define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2087#define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2088#define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2089#define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2090#define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2091#define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2092#define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2093#define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2094#define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2095#define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2096#define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2097#define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2098#define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2099#define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2100#define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2101#define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2102#define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2103#define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2104#define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2105#define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2106#define VIDIOC_LOG_STATUS _IO('V', 70) 2107#define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2108#define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2109#define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2110#define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2111#define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2112#define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2113#define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2114#define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2115 2116/* Experimental, meant for debugging, testing and internal use. 2117 Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2118 You must be root to use these ioctls. Never use these in applications! */ 2119#define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2120#define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2121 2122#define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2123 2124#define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2125#define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2126#define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2127#define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2128#define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2129 2130/* Experimental, the below two ioctls may change over the next couple of kernel 2131 versions */ 2132#define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2133#define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2134 2135/* Experimental selection API */ 2136#define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2137#define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2138 2139/* Experimental, these two ioctls may change over the next couple of kernel 2140 versions. */ 2141#define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2142#define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2143 2144/* Experimental, these three ioctls may change over the next couple of kernel 2145 versions. */ 2146#define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2147#define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2148#define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2149 2150/* Experimental, this ioctl may change over the next couple of kernel 2151 versions. */ 2152#define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2153 2154/* Experimental, meant for debugging, testing and internal use. 2155 Never use these in applications! */ 2156#define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2157 2158#define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2159 2160/* Reminder: when adding new ioctls please add support for them to 2161 drivers/media/video/v4l2-compat-ioctl32.c as well! */ 2162 2163#define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2164 2165#endif /* __LINUX_VIDEODEV2_H */ 2166