1 /* 2 * Video for Linux Two header file 3 * 4 * Copyright (C) 1999-2012 the contributors 5 * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved. 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 https://linuxtv.org for more info 51 * 52 * Author: Bill Dirks <bill (at) thedirks.org> 53 * Justin Schoeman 54 * Hans Verkuil <hverkuil (at) xs4all.nl> 55 * et al. 56 */ 57 #ifndef __LINUX_VIDEODEV2_H 58 #define __LINUX_VIDEODEV2_H 59 60 #include <sys/time.h> 61 62 #include <linux/ioctl.h> 63 #include <linux/types.h> 64 #include <linux/v4l2-common.h> 65 #include <linux/v4l2-controls.h> 66 67 /* 68 * Common stuff for both V4L1 and V4L2 69 * Moved from videodev.h 70 */ 71 #define VIDEO_MAX_FRAME 64 72 #define VIDEO_MAX_PLANES 8 73 74 /* 75 * M I S C E L L A N E O U S 76 */ 77 78 /* Four-character-code (FOURCC) */ 79 #define v4l2_fourcc(a, b, c, d)\ 80 ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24)) 81 #define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1 << 31)) 82 83 /* 84 * E N U M S 85 */ 86 enum v4l2_field { 87 V4L2_FIELD_ANY = 0, /* driver can choose from none, 88 top, bottom, interlaced 89 depending on whatever it thinks 90 is approximate ... */ 91 V4L2_FIELD_NONE = 1, /* this device has no fields ... */ 92 V4L2_FIELD_TOP = 2, /* top field only */ 93 V4L2_FIELD_BOTTOM = 3, /* bottom field only */ 94 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */ 95 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one 96 buffer, top-bottom order */ 97 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */ 98 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into 99 separate buffers */ 100 V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field 101 first and the top field is 102 transmitted first */ 103 V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field 104 first and the bottom field is 105 transmitted first */ 106 }; 107 #define V4L2_FIELD_HAS_TOP(field) \ 108 ((field) == V4L2_FIELD_TOP ||\ 109 (field) == V4L2_FIELD_INTERLACED ||\ 110 (field) == V4L2_FIELD_INTERLACED_TB ||\ 111 (field) == V4L2_FIELD_INTERLACED_BT ||\ 112 (field) == V4L2_FIELD_SEQ_TB ||\ 113 (field) == V4L2_FIELD_SEQ_BT) 114 #define V4L2_FIELD_HAS_BOTTOM(field) \ 115 ((field) == V4L2_FIELD_BOTTOM ||\ 116 (field) == V4L2_FIELD_INTERLACED ||\ 117 (field) == V4L2_FIELD_INTERLACED_TB ||\ 118 (field) == V4L2_FIELD_INTERLACED_BT ||\ 119 (field) == V4L2_FIELD_SEQ_TB ||\ 120 (field) == V4L2_FIELD_SEQ_BT) 121 #define V4L2_FIELD_HAS_BOTH(field) \ 122 ((field) == V4L2_FIELD_INTERLACED ||\ 123 (field) == V4L2_FIELD_INTERLACED_TB ||\ 124 (field) == V4L2_FIELD_INTERLACED_BT ||\ 125 (field) == V4L2_FIELD_SEQ_TB ||\ 126 (field) == V4L2_FIELD_SEQ_BT) 127 #define V4L2_FIELD_HAS_T_OR_B(field) \ 128 ((field) == V4L2_FIELD_BOTTOM ||\ 129 (field) == V4L2_FIELD_TOP ||\ 130 (field) == V4L2_FIELD_ALTERNATE) 131 132 enum v4l2_buf_type { 133 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, 134 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, 135 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, 136 V4L2_BUF_TYPE_VBI_CAPTURE = 4, 137 V4L2_BUF_TYPE_VBI_OUTPUT = 5, 138 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6, 139 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7, 140 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8, 141 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9, 142 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10, 143 V4L2_BUF_TYPE_SDR_CAPTURE = 11, 144 V4L2_BUF_TYPE_SDR_OUTPUT = 12, 145 /* Deprecated, do not use */ 146 V4L2_BUF_TYPE_PRIVATE = 0x80, 147 }; 148 149 #define V4L2_TYPE_IS_MULTIPLANAR(type) \ 150 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \ 151 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 152 153 #define V4L2_TYPE_IS_OUTPUT(type) \ 154 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \ 155 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \ 156 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \ 157 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \ 158 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \ 159 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \ 160 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT) 161 162 enum v4l2_tuner_type { 163 V4L2_TUNER_RADIO = 1, 164 V4L2_TUNER_ANALOG_TV = 2, 165 V4L2_TUNER_DIGITAL_TV = 3, 166 V4L2_TUNER_SDR = 4, 167 V4L2_TUNER_RF = 5, 168 }; 169 170 /* Deprecated, do not use */ 171 #define V4L2_TUNER_ADC V4L2_TUNER_SDR 172 173 enum v4l2_memory { 174 V4L2_MEMORY_MMAP = 1, 175 V4L2_MEMORY_USERPTR = 2, 176 V4L2_MEMORY_OVERLAY = 3, 177 V4L2_MEMORY_DMABUF = 4, 178 }; 179 180 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 181 enum v4l2_colorspace { 182 /* 183 * Default colorspace, i.e. let the driver figure it out. 184 * Can only be used with video capture. 185 */ 186 V4L2_COLORSPACE_DEFAULT = 0, 187 188 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */ 189 V4L2_COLORSPACE_SMPTE170M = 1, 190 191 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */ 192 V4L2_COLORSPACE_SMPTE240M = 2, 193 194 /* Rec.709: used for HDTV */ 195 V4L2_COLORSPACE_REC709 = 3, 196 197 /* 198 * Deprecated, do not use. No driver will ever return this. This was 199 * based on a misunderstanding of the bt878 datasheet. 200 */ 201 V4L2_COLORSPACE_BT878 = 4, 202 203 /* 204 * NTSC 1953 colorspace. This only makes sense when dealing with 205 * really, really old NTSC recordings. Superseded by SMPTE 170M. 206 */ 207 V4L2_COLORSPACE_470_SYSTEM_M = 5, 208 209 /* 210 * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when 211 * dealing with really old PAL/SECAM recordings. Superseded by 212 * SMPTE 170M. 213 */ 214 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 215 216 /* 217 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601 218 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG. 219 */ 220 V4L2_COLORSPACE_JPEG = 7, 221 222 /* For RGB colorspaces such as produces by most webcams. */ 223 V4L2_COLORSPACE_SRGB = 8, 224 225 /* AdobeRGB colorspace */ 226 V4L2_COLORSPACE_ADOBERGB = 9, 227 228 /* BT.2020 colorspace, used for UHDTV. */ 229 V4L2_COLORSPACE_BT2020 = 10, 230 231 /* Raw colorspace: for RAW unprocessed images */ 232 V4L2_COLORSPACE_RAW = 11, 233 234 /* DCI-P3 colorspace, used by cinema projectors */ 235 V4L2_COLORSPACE_DCI_P3 = 12, 236 }; 237 238 /* 239 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace. 240 * This depends on whether this is a SDTV image (use SMPTE 170M), an 241 * HDTV image (use Rec. 709), or something else (use sRGB). 242 */ 243 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \ 244 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \ 245 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB)) 246 247 enum v4l2_xfer_func { 248 /* 249 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions 250 * for the various colorspaces: 251 * 252 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 253 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and 254 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709 255 * 256 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB 257 * 258 * V4L2_COLORSPACE_ADOBERGB: V4L2_XFER_FUNC_ADOBERGB 259 * 260 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M 261 * 262 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE 263 * 264 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3 265 */ 266 V4L2_XFER_FUNC_DEFAULT = 0, 267 V4L2_XFER_FUNC_709 = 1, 268 V4L2_XFER_FUNC_SRGB = 2, 269 V4L2_XFER_FUNC_ADOBERGB = 3, 270 V4L2_XFER_FUNC_SMPTE240M = 4, 271 V4L2_XFER_FUNC_NONE = 5, 272 V4L2_XFER_FUNC_DCI_P3 = 6, 273 V4L2_XFER_FUNC_SMPTE2084 = 7, 274 }; 275 276 /* 277 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function. 278 * This depends on the colorspace. 279 */ 280 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \ 281 ((colsp) == V4L2_COLORSPACE_ADOBERGB ? V4L2_XFER_FUNC_ADOBERGB : \ 282 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \ 283 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \ 284 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \ 285 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \ 286 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709))))) 287 288 enum v4l2_ycbcr_encoding { 289 /* 290 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the 291 * various colorspaces: 292 * 293 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 294 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB, 295 * V4L2_COLORSPACE_ADOBERGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601 296 * 297 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709 298 * 299 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020 300 * 301 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M 302 */ 303 V4L2_YCBCR_ENC_DEFAULT = 0, 304 305 /* ITU-R 601 -- SDTV */ 306 V4L2_YCBCR_ENC_601 = 1, 307 308 /* Rec. 709 -- HDTV */ 309 V4L2_YCBCR_ENC_709 = 2, 310 311 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */ 312 V4L2_YCBCR_ENC_XV601 = 3, 313 314 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */ 315 V4L2_YCBCR_ENC_XV709 = 4, 316 317 /* 318 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added 319 * originally due to a misunderstanding of the sYCC standard. It should 320 * not be used, instead use V4L2_YCBCR_ENC_601. 321 */ 322 V4L2_YCBCR_ENC_SYCC = 5, 323 324 /* BT.2020 Non-constant Luminance Y'CbCr */ 325 V4L2_YCBCR_ENC_BT2020 = 6, 326 327 /* BT.2020 Constant Luminance Y'CbcCrc */ 328 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7, 329 330 /* SMPTE 240M -- Obsolete HDTV */ 331 V4L2_YCBCR_ENC_SMPTE240M = 8, 332 }; 333 334 /* 335 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding. 336 * This depends on the colorspace. 337 */ 338 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \ 339 (((colsp) == V4L2_COLORSPACE_REC709 || \ 340 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \ 341 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \ 342 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \ 343 V4L2_YCBCR_ENC_601))) 344 345 enum v4l2_quantization { 346 /* 347 * The default for R'G'B' quantization is always full range, except 348 * for the BT2020 colorspace. For Y'CbCr the quantization is always 349 * limited range, except for COLORSPACE_JPEG, XV601 or XV709: those 350 * are full range. 351 */ 352 V4L2_QUANTIZATION_DEFAULT = 0, 353 V4L2_QUANTIZATION_FULL_RANGE = 1, 354 V4L2_QUANTIZATION_LIM_RANGE = 2, 355 }; 356 357 /* 358 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization. 359 * This depends on whether the image is RGB or not, the colorspace and the 360 * Y'CbCr encoding. 361 */ 362 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb, colsp, ycbcr_enc) \ 363 (((is_rgb) && (colsp) == V4L2_COLORSPACE_BT2020) ? V4L2_QUANTIZATION_LIM_RANGE : \ 364 (((is_rgb) || (ycbcr_enc) == V4L2_YCBCR_ENC_XV601 || \ 365 (ycbcr_enc) == V4L2_YCBCR_ENC_XV709 || (colsp) == V4L2_COLORSPACE_JPEG) ? \ 366 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE)) 367 368 enum v4l2_priority { 369 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 370 V4L2_PRIORITY_BACKGROUND = 1, 371 V4L2_PRIORITY_INTERACTIVE = 2, 372 V4L2_PRIORITY_RECORD = 3, 373 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 374 }; 375 376 struct v4l2_rect { 377 __s32 left; 378 __s32 top; 379 __u32 width; 380 __u32 height; 381 }; 382 383 struct v4l2_fract { 384 __u32 numerator; 385 __u32 denominator; 386 }; 387 388 /** 389 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 390 * 391 * @driver: name of the driver module (e.g. "bttv") 392 * @card: name of the card (e.g. "Hauppauge WinTV") 393 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 394 * @version: KERNEL_VERSION 395 * @capabilities: capabilities of the physical device as a whole 396 * @device_caps: capabilities accessed via this particular device (node) 397 * @reserved: reserved fields for future extensions 398 */ 399 struct v4l2_capability { 400 __u8 driver[16]; 401 __u8 card[32]; 402 __u8 bus_info[32]; 403 __u32 version; 404 __u32 capabilities; 405 __u32 device_caps; 406 __u32 reserved[3]; 407 }; 408 409 /* Values for 'capabilities' field */ 410 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 411 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 412 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 413 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 414 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 415 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 416 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 417 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 418 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 419 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 420 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 421 422 /* Is a video capture device that supports multiplanar formats */ 423 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 424 /* Is a video output device that supports multiplanar formats */ 425 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 426 /* Is a video mem-to-mem device that supports multiplanar formats */ 427 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 428 /* Is a video mem-to-mem device */ 429 #define V4L2_CAP_VIDEO_M2M 0x00008000 430 431 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 432 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 433 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 434 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 435 436 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */ 437 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */ 438 #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */ 439 440 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 441 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 442 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 443 444 #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */ 445 446 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 447 448 /* 449 * V I D E O I M A G E F O R M A T 450 */ 451 struct v4l2_pix_format { 452 __u32 width; 453 __u32 height; 454 __u32 pixelformat; 455 __u32 field; /* enum v4l2_field */ 456 __u32 bytesperline; /* for padding, zero if unused */ 457 __u32 sizeimage; 458 __u32 colorspace; /* enum v4l2_colorspace */ 459 __u32 priv; /* private data, depends on pixelformat */ 460 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ 461 __u32 ycbcr_enc; /* enum v4l2_ycbcr_encoding */ 462 __u32 quantization; /* enum v4l2_quantization */ 463 __u32 xfer_func; /* enum v4l2_xfer_func */ 464 }; 465 466 /* Pixel format FOURCC depth Description */ 467 468 /* RGB formats */ 469 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 470 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 471 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */ 472 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */ 473 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 474 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */ 475 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */ 476 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 477 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 478 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */ 479 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */ 480 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 481 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 482 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 483 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 484 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 485 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */ 486 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */ 487 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 488 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */ 489 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */ 490 491 #define V4L2_PIX_FMT_RGBA8888_UBWC v4l2_fourcc('Q', 'R', 'G', 'B') 492 493 /* Grey formats */ 494 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 495 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 496 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 497 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 498 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 499 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 500 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */ 501 502 /* Grey bit-packed formats */ 503 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 504 505 /* Palette formats */ 506 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 507 508 /* Chrominance formats */ 509 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 510 511 /* Luminance+Chrominance formats */ 512 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 513 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 514 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 515 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 516 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 517 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 518 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 519 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 520 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 521 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 522 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */ 523 #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */ 524 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 525 526 /* two planes -- one Y, one Cr + Cb interleaved */ 527 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 528 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 529 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 530 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 531 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 532 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 533 534 /* UBWC 8-bit Y/CbCr 4:2:0 */ 535 #define V4L2_PIX_FMT_NV12_UBWC v4l2_fourcc('Q', '1', '2', '8') 536 /* UBWC 10-bit Y/CbCr 4:2:0 */ 537 #define V4L2_PIX_FMT_NV12_TP10_UBWC v4l2_fourcc('Q', '1', '2', 'A') 538 #define V4L2_PIX_FMT_NV12_P010_UBWC v4l2_fourcc('Q', '1', '2', 'B') 539 540 /* two non contiguous planes - one Y, one Cr + Cb interleaved */ 541 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 542 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 543 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ 544 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ 545 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */ 546 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */ 547 548 /* three planes - Y Cb, Cr */ 549 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 550 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 551 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */ 552 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 553 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 554 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 555 556 /* three non contiguous planes - Y, Cb, Cr */ 557 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 558 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 559 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */ 560 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */ 561 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */ 562 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */ 563 564 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 565 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 566 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 567 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 568 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 569 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 570 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 571 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 572 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 573 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ 574 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') 575 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') 576 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') 577 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') 578 /* 10bit raw bayer a-law compressed to 8 bits */ 579 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 580 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 581 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 582 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 583 /* 10bit raw bayer DPCM compressed to 8 bits */ 584 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 585 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 586 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 587 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 588 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 589 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 590 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 591 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 592 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 593 #define V4L2_PIX_FMT_SBGGR10DPCM6 v4l2_fourcc('b', 'B', 'A', '6') 594 #define V4L2_PIX_FMT_SGBRG10DPCM6 v4l2_fourcc('b', 'G', 'A', '6') 595 #define V4L2_PIX_FMT_SGRBG10DPCM6 v4l2_fourcc('B', 'D', '1', '6') 596 #define V4L2_PIX_FMT_SRGGB10DPCM6 v4l2_fourcc('b', 'R', 'A', '6') 597 #define V4L2_PIX_FMT_SBGGRPLAIN16 v4l2_fourcc('B', 'G', '1', '6') 598 #define V4L2_PIX_FMT_SGBRGPLAIN16 v4l2_fourcc('G', 'B', '1', '6') 599 #define V4L2_PIX_FMT_SGRBGPLAIN16 v4l2_fourcc('G', 'R', '1', '6') 600 #define V4L2_PIX_FMT_SRGGBPLAIN16 v4l2_fourcc('R', 'G', '1', '6') 601 602 /* compressed formats */ 603 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 604 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 605 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 606 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 607 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 608 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 609 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 610 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 611 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 612 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 613 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 614 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 615 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 616 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 617 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 618 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */ 619 #define V4L2_PIX_FMT_DIVX_311 v4l2_fourcc('D', 'I', 'V', '3') /* DIVX311 */ 620 #define V4L2_PIX_FMT_DIVX v4l2_fourcc('D', 'I', 'V', 'X') /* DIVX */ 621 #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* for HEVC stream */ 622 #define V4L2_PIX_FMT_HEVC_HYBRID v4l2_fourcc('H', 'V', 'C', 'H') 623 #define V4L2_PIX_FMT_TME v4l2_fourcc('T', 'M', 'E', '0') /* for TME stream */ 624 625 /* Vendor-specific formats */ 626 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 627 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 628 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 629 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 630 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 631 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 632 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 633 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 634 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 635 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 636 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 637 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 638 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 639 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 640 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 641 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 642 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 643 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 644 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 645 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 646 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 647 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 648 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 649 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 650 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 651 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 652 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */ 653 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */ 654 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */ 655 656 #define V4L2_PIX_FMT_SDE_ABGR_8888 \ 657 v4l2_fourcc('R', 'A', '2', '4') /* 32-bit ABGR 8:8:8:8 */ 658 #define V4L2_PIX_FMT_SDE_RGBA_8888 \ 659 v4l2_fourcc('A', 'B', '2', '4') /* 32-bit RGBA 8:8:8:8 */ 660 #define V4L2_PIX_FMT_SDE_RGBX_8888 \ 661 v4l2_fourcc('X', 'B', '2', '4') /* 32-bit RGBX 8:8:8:8 */ 662 #define V4L2_PIX_FMT_SDE_XBGR_8888 \ 663 v4l2_fourcc('R', 'X', '2', '4') /* 32-bit XBGR 8:8:8:8 */ 664 #define V4L2_PIX_FMT_SDE_RGBA_5551 \ 665 v4l2_fourcc('R', 'A', '1', '5') /* 16-bit RGBA 5:5:5:1 */ 666 #define V4L2_PIX_FMT_SDE_ABGR_1555 \ 667 v4l2_fourcc('A', 'B', '1', '5') /* 16-bit ABGR 1:5:5:5 */ 668 #define V4L2_PIX_FMT_SDE_BGRA_5551 \ 669 v4l2_fourcc('B', 'A', '1', '5') /* 16-bit BGRA 5:5:5:1 */ 670 #define V4L2_PIX_FMT_SDE_BGRX_5551 \ 671 v4l2_fourcc('B', 'X', '1', '5') /* 16-bit BGRX 5:5:5:1 */ 672 #define V4L2_PIX_FMT_SDE_RGBX_5551 \ 673 v4l2_fourcc('R', 'X', '1', '5') /* 16-bit RGBX 5:5:5:1 */ 674 #define V4L2_PIX_FMT_SDE_XBGR_1555 \ 675 v4l2_fourcc('X', 'B', '1', '5') /* 16-bit XBGR 1:5:5:5 */ 676 #define V4L2_PIX_FMT_SDE_RGBA_4444 \ 677 v4l2_fourcc('R', 'A', '1', '2') /* 16-bit RGBA 4:4:4:4 */ 678 #define V4L2_PIX_FMT_SDE_BGRA_4444 \ 679 v4l2_fourcc('b', 'A', '1', '2') /* 16-bit BGRA 4:4:4:4 */ 680 #define V4L2_PIX_FMT_SDE_ABGR_4444 \ 681 v4l2_fourcc('A', 'B', '1', '2') /* 16-bit ABGR 4:4:4:4 */ 682 #define V4L2_PIX_FMT_SDE_RGBX_4444 \ 683 v4l2_fourcc('R', 'X', '1', '2') /* 16-bit RGBX 4:4:4:4 */ 684 #define V4L2_PIX_FMT_SDE_BGRX_4444 \ 685 v4l2_fourcc('B', 'X', '1', '2') /* 16-bit BGRX 4:4:4:4 */ 686 #define V4L2_PIX_FMT_SDE_XBGR_4444 \ 687 v4l2_fourcc('X', 'B', '1', '2') /* 16-bit XBGR 4:4:4:4 */ 688 #define V4L2_PIX_FMT_SDE_BGR_565 \ 689 v4l2_fourcc('B', 'G', '1', '6') /* 16-bit BGR 5:6:5 */ 690 #define V4L2_PIX_FMT_SDE_Y_CR_CB_GH2V2 \ 691 v4l2_fourcc('Y', 'U', '4', '2') /* Planar YVU 4:2:0 A16 */ 692 #define V4L2_PIX_FMT_SDE_Y_CBCR_H1V2 \ 693 v4l2_fourcc('N', 'H', '1', '6') /* Y/CbCr 4:2:2 */ 694 #define V4L2_PIX_FMT_SDE_Y_CRCB_H1V2 \ 695 v4l2_fourcc('N', 'H', '6', '1') /* Y/CrCb 4:2:2 */ 696 #define V4L2_PIX_FMT_SDE_Y_CBCR_H2V2_VENUS \ 697 v4l2_fourcc('Q', 'N', 'V', '2') /* Y/CbCr 4:2:0 Venus */ 698 #define V4L2_PIX_FMT_SDE_Y_CRCB_H2V2_VENUS \ 699 v4l2_fourcc('Q', 'N', 'V', '1') /* Y/CrCb 4:2:0 Venus */ 700 #define V4L2_PIX_FMT_SDE_RGBX_8888_UBWC \ 701 v4l2_fourcc('Q', 'X', 'B', '4') /* RGBX 8:8:8:8 UBWC */ 702 #define V4L2_PIX_FMT_SDE_RGB_565_UBWC \ 703 v4l2_fourcc('Q', 'R', 'G', '6') /* RGB 5:6:5 UBWC */ 704 #define V4L2_PIX_FMT_SDE_RGBA_1010102 \ 705 v4l2_fourcc('A', 'B', '3', '0') /* RGBA 10:10:10:2 */ 706 #define V4L2_PIX_FMT_SDE_RGBX_1010102 \ 707 v4l2_fourcc('X', 'B', '3', '0') /* RGBX 10:10:10:2 */ 708 #define V4L2_PIX_FMT_SDE_ARGB_2101010 \ 709 v4l2_fourcc('A', 'R', '3', '0') /* ARGB 2:10:10:10 */ 710 #define V4L2_PIX_FMT_SDE_XRGB_2101010 \ 711 v4l2_fourcc('X', 'R', '3', '0') /* XRGB 2:10:10:10 */ 712 #define V4L2_PIX_FMT_SDE_BGRA_1010102 \ 713 v4l2_fourcc('B', 'A', '3', '0') /* BGRA 10:10:10:2 */ 714 #define V4L2_PIX_FMT_SDE_BGRX_1010102 \ 715 v4l2_fourcc('B', 'X', '3', '0') /* BGRX 10:10:10:2 */ 716 #define V4L2_PIX_FMT_SDE_ABGR_2101010 \ 717 v4l2_fourcc('R', 'A', '3', '0') /* ABGR 2:10:10:10 */ 718 #define V4L2_PIX_FMT_SDE_XBGR_2101010 \ 719 v4l2_fourcc('R', 'X', '3', '0') /* XBGR 2:10:10:10 */ 720 #define V4L2_PIX_FMT_SDE_RGBA_1010102_UBWC \ 721 v4l2_fourcc('Q', 'R', 'B', 'A') /* RGBA 10:10:10:2 UBWC */ 722 #define V4L2_PIX_FMT_SDE_RGBX_1010102_UBWC \ 723 v4l2_fourcc('Q', 'X', 'B', 'A') /* RGBX 10:10:10:2 UBWC */ 724 #define V4L2_PIX_FMT_SDE_Y_CBCR_H2V2_TP10 \ 725 v4l2_fourcc('T', 'P', '1', '0') /* Y/CbCr 4:2:0 TP10 */ 726 #define V4L2_PIX_FMT_SDE_Y_CBCR_H2V2_P010 \ 727 v4l2_fourcc('P', '0', '1', '0') /* Y/CbCr 4:2:0 P10 */ 728 #define V4L2_PIX_FMT_SDE_Y_CBCR_H2V2_P010_VENUS \ 729 v4l2_fourcc('Q', 'P', '1', '0') /* Y/CbCr 4:2:0 P10 Venus*/ 730 731 /* SDR formats - used only for Software Defined Radio devices */ 732 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 733 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 734 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 735 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 736 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 737 738 /* Touch formats - used for Touch devices */ 739 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */ 740 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */ 741 #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */ 742 #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */ 743 744 /* priv field value to indicates that subsequent fields are valid. */ 745 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 746 747 /* Flags */ 748 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 749 750 /* 751 * F O R M A T E N U M E R A T I O N 752 */ 753 struct v4l2_fmtdesc { 754 __u32 index; /* Format number */ 755 __u32 type; /* enum v4l2_buf_type */ 756 __u32 flags; 757 __u8 description[32]; /* Description string */ 758 __u32 pixelformat; /* Format fourcc */ 759 __u32 reserved[4]; 760 }; 761 762 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 763 #define V4L2_FMT_FLAG_EMULATED 0x0002 764 765 /* Frame Size and frame rate enumeration */ 766 /* 767 * F R A M E S I Z E E N U M E R A T I O N 768 */ 769 enum v4l2_frmsizetypes { 770 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 771 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 772 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 773 }; 774 775 struct v4l2_frmsize_discrete { 776 __u32 width; /* Frame width [pixel] */ 777 __u32 height; /* Frame height [pixel] */ 778 }; 779 780 struct v4l2_frmsize_stepwise { 781 __u32 min_width; /* Minimum frame width [pixel] */ 782 __u32 max_width; /* Maximum frame width [pixel] */ 783 __u32 step_width; /* Frame width step size [pixel] */ 784 __u32 min_height; /* Minimum frame height [pixel] */ 785 __u32 max_height; /* Maximum frame height [pixel] */ 786 __u32 step_height; /* Frame height step size [pixel] */ 787 }; 788 789 struct v4l2_frmsizeenum { 790 __u32 index; /* Frame size number */ 791 __u32 pixel_format; /* Pixel format */ 792 __u32 type; /* Frame size type the device supports. */ 793 794 union { /* Frame size */ 795 struct v4l2_frmsize_discrete discrete; 796 struct v4l2_frmsize_stepwise stepwise; 797 }; 798 799 __u32 reserved[2]; /* Reserved space for future use */ 800 }; 801 802 /* 803 * F R A M E R A T E E N U M E R A T I O N 804 */ 805 enum v4l2_frmivaltypes { 806 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 807 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 808 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 809 }; 810 811 struct v4l2_frmival_stepwise { 812 struct v4l2_fract min; /* Minimum frame interval [s] */ 813 struct v4l2_fract max; /* Maximum frame interval [s] */ 814 struct v4l2_fract step; /* Frame interval step size [s] */ 815 }; 816 817 struct v4l2_frmivalenum { 818 __u32 index; /* Frame format index */ 819 __u32 pixel_format; /* Pixel format */ 820 __u32 width; /* Frame width */ 821 __u32 height; /* Frame height */ 822 __u32 type; /* Frame interval type the device supports. */ 823 824 union { /* Frame interval */ 825 struct v4l2_fract discrete; 826 struct v4l2_frmival_stepwise stepwise; 827 }; 828 829 __u32 reserved[2]; /* Reserved space for future use */ 830 }; 831 832 /* 833 * T I M E C O D E 834 */ 835 struct v4l2_timecode { 836 __u32 type; 837 __u32 flags; 838 __u8 frames; 839 __u8 seconds; 840 __u8 minutes; 841 __u8 hours; 842 __u8 userbits[4]; 843 }; 844 845 /* Type */ 846 #define V4L2_TC_TYPE_24FPS 1 847 #define V4L2_TC_TYPE_25FPS 2 848 #define V4L2_TC_TYPE_30FPS 3 849 #define V4L2_TC_TYPE_50FPS 4 850 #define V4L2_TC_TYPE_60FPS 5 851 852 /* Flags */ 853 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 854 #define V4L2_TC_FLAG_COLORFRAME 0x0002 855 #define V4L2_TC_USERBITS_field 0x000C 856 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 857 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 858 /* The above is based on SMPTE timecodes */ 859 860 struct v4l2_jpegcompression { 861 int quality; 862 863 int APPn; /* Number of APP segment to be written, 864 * must be 0..15 */ 865 int APP_len; /* Length of data in JPEG APPn segment */ 866 char APP_data[60]; /* Data in the JPEG APPn segment. */ 867 868 int COM_len; /* Length of data in JPEG COM segment */ 869 char COM_data[60]; /* Data in JPEG COM segment */ 870 871 __u32 jpeg_markers; /* Which markers should go into the JPEG 872 * output. Unless you exactly know what 873 * you do, leave them untouched. 874 * Including less markers will make the 875 * resulting code smaller, but there will 876 * be fewer applications which can read it. 877 * The presence of the APP and COM marker 878 * is influenced by APP_len and COM_len 879 * ONLY, not by this property! */ 880 881 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 882 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 883 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 884 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 885 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 886 * always use APP0 */ 887 }; 888 889 /* 890 * M E M O R Y - M A P P I N G B U F F E R S 891 */ 892 struct v4l2_requestbuffers { 893 __u32 count; 894 __u32 type; /* enum v4l2_buf_type */ 895 __u32 memory; /* enum v4l2_memory */ 896 __u32 reserved[2]; 897 }; 898 899 /** 900 * struct v4l2_plane - plane info for multi-planar buffers 901 * @bytesused: number of bytes occupied by data in the plane (payload) 902 * @length: size of this plane (NOT the payload) in bytes 903 * @mem_offset: when memory in the associated struct v4l2_buffer is 904 * V4L2_MEMORY_MMAP, equals the offset from the start of 905 * the device memory for this plane (or is a "cookie" that 906 * should be passed to mmap() called on the video node) 907 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 908 * pointing to this plane 909 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 910 * descriptor associated with this plane 911 * @data_offset: offset in the plane to the start of data; usually 0, 912 * unless there is a header in front of the data 913 * 914 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 915 * with two planes can have one plane for Y, and another for interleaved CbCr 916 * components. Each plane can reside in a separate memory buffer, or even in 917 * a completely separate memory node (e.g. in embedded devices). 918 */ 919 struct v4l2_plane { 920 __u32 bytesused; 921 __u32 length; 922 union { 923 __u32 mem_offset; 924 unsigned long userptr; 925 __s32 fd; 926 } m; 927 __u32 data_offset; 928 __u32 reserved[11]; 929 }; 930 931 /** 932 * struct v4l2_buffer - video buffer info 933 * @index: id number of the buffer 934 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 935 * multiplanar buffers); 936 * @bytesused: number of bytes occupied by data in the buffer (payload); 937 * unused (set to 0) for multiplanar buffers 938 * @flags: buffer informational flags 939 * @field: enum v4l2_field; field order of the image in the buffer 940 * @timestamp: frame timestamp 941 * @timecode: frame timecode 942 * @sequence: sequence count of this frame 943 * @memory: enum v4l2_memory; the method, in which the actual video data is 944 * passed 945 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 946 * offset from the start of the device memory for this plane, 947 * (or a "cookie" that should be passed to mmap() as offset) 948 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 949 * a userspace pointer pointing to this buffer 950 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 951 * a userspace file descriptor associated with this buffer 952 * @planes: for multiplanar buffers; userspace pointer to the array of plane 953 * info structs for this buffer 954 * @length: size in bytes of the buffer (NOT its payload) for single-plane 955 * buffers (when type != *_MPLANE); number of elements in the 956 * planes array for multi-plane buffers 957 * 958 * Contains data exchanged by application and driver using one of the Streaming 959 * I/O methods. 960 */ 961 struct v4l2_buffer { 962 __u32 index; 963 __u32 type; 964 __u32 bytesused; 965 __u32 flags; 966 __u32 field; 967 struct timeval timestamp; 968 struct v4l2_timecode timecode; 969 __u32 sequence; 970 971 /* memory location */ 972 __u32 memory; 973 union { 974 __u32 offset; 975 unsigned long userptr; 976 struct v4l2_plane *planes; 977 __s32 fd; 978 } m; 979 __u32 length; 980 __u32 reserved2; 981 __u32 reserved; 982 }; 983 984 /* Flags for 'flags' field */ 985 /* Buffer is mapped (flag) */ 986 #define V4L2_BUF_FLAG_MAPPED 0x00000001 987 /* Buffer is queued for processing */ 988 #define V4L2_BUF_FLAG_QUEUED 0x00000002 989 /* Buffer is ready */ 990 #define V4L2_BUF_FLAG_DONE 0x00000004 991 /* Image is a keyframe (I-frame) */ 992 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008 993 /* Image is a P-frame */ 994 #define V4L2_BUF_FLAG_PFRAME 0x00000010 995 /* Image is a B-frame */ 996 #define V4L2_BUF_FLAG_BFRAME 0x00000020 997 /* Buffer is ready, but the data contained within is corrupted. */ 998 #define V4L2_BUF_FLAG_ERROR 0x00000040 999 /* timecode field is valid */ 1000 #define V4L2_BUF_FLAG_TIMECODE 0x00000100 1001 /* Buffer is prepared for queuing */ 1002 #define V4L2_BUF_FLAG_PREPARED 0x00000400 1003 /* Cache handling flags */ 1004 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 1005 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 1006 /* Timestamp type */ 1007 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 1008 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 1009 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 1010 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 1011 /* Timestamp sources. */ 1012 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 1013 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 1014 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 1015 /* mem2mem encoder/decoder */ 1016 #define V4L2_BUF_FLAG_LAST 0x00100000 1017 /* Vendor extensions */ 1018 #define V4L2_QCOM_BUF_END_OF_SUBFRAME 0x00000080 1019 #define V4L2_QCOM_BUF_FLAG_CODECCONFIG 0x00020000 1020 #define V4L2_QCOM_BUF_FLAG_EOSEQ 0x00040000 1021 #define V4L2_QCOM_BUF_TIMESTAMP_INVALID 0x00080000 1022 #define V4L2_MSM_BUF_FLAG_MBAFF 0x00000200 1023 #define V4L2_QCOM_BUF_FLAG_DECODEONLY 0x00200000 1024 #define V4L2_QCOM_BUF_DATA_CORRUPT 0x00400000 1025 #define V4L2_QCOM_BUF_DROP_FRAME 0x00800000 1026 #define V4L2_QCOM_BUF_INPUT_UNSUPPORTED 0x01000000 1027 #define V4L2_QCOM_BUF_FLAG_EOS 0x02000000 1028 #define V4L2_QCOM_BUF_FLAG_READONLY 0x04000000 1029 #define V4L2_MSM_VIDC_BUF_START_CODE_NOT_FOUND 0x08000000 1030 #define V4L2_MSM_BUF_FLAG_YUV_601_709_CLAMP 0x10000000 1031 #define V4L2_QCOM_BUF_FLAG_PERF_MODE 0x20000000 1032 #define V4L2_MSM_BUF_FLAG_DEFER 0x40000000 1033 #define V4L2_QCOM_BUF_FLAG_IDRFRAME 0x80000000 1034 1035 /** 1036 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 1037 * 1038 * @index: id number of the buffer 1039 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 1040 * multiplanar buffers); 1041 * @plane: index of the plane to be exported, 0 for single plane queues 1042 * @flags: flags for newly created file, currently only O_CLOEXEC is 1043 * supported, refer to manual of open syscall for more details 1044 * @fd: file descriptor associated with DMABUF (set by driver) 1045 * 1046 * Contains data used for exporting a video buffer as DMABUF file descriptor. 1047 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 1048 * (identical to the cookie used to mmap() the buffer to userspace). All 1049 * reserved fields must be set to zero. The field reserved0 is expected to 1050 * become a structure 'type' allowing an alternative layout of the structure 1051 * content. Therefore this field should not be used for any other extensions. 1052 */ 1053 struct v4l2_exportbuffer { 1054 __u32 type; /* enum v4l2_buf_type */ 1055 __u32 index; 1056 __u32 plane; 1057 __u32 flags; 1058 __s32 fd; 1059 __u32 reserved[11]; 1060 }; 1061 1062 /* 1063 * O V E R L A Y P R E V I E W 1064 */ 1065 struct v4l2_framebuffer { 1066 __u32 capability; 1067 __u32 flags; 1068 /* FIXME: in theory we should pass something like PCI device + memory 1069 * region + offset instead of some physical address */ 1070 void *base; 1071 struct { 1072 __u32 width; 1073 __u32 height; 1074 __u32 pixelformat; 1075 __u32 field; /* enum v4l2_field */ 1076 __u32 bytesperline; /* for padding, zero if unused */ 1077 __u32 sizeimage; 1078 __u32 colorspace; /* enum v4l2_colorspace */ 1079 __u32 priv; /* reserved field, set to 0 */ 1080 } fmt; 1081 }; 1082 /* Flags for the 'capability' field. Read only */ 1083 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 1084 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 1085 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 1086 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 1087 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 1088 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 1089 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 1090 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 1091 /* Flags for the 'flags' field. */ 1092 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 1093 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 1094 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 1095 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 1096 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 1097 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 1098 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 1099 1100 struct v4l2_clip { 1101 struct v4l2_rect c; 1102 struct v4l2_clip *next; 1103 }; 1104 1105 struct v4l2_window { 1106 struct v4l2_rect w; 1107 __u32 field; /* enum v4l2_field */ 1108 __u32 chromakey; 1109 struct v4l2_clip *clips; 1110 __u32 clipcount; 1111 void *bitmap; 1112 __u8 global_alpha; 1113 }; 1114 1115 /* 1116 * C A P T U R E P A R A M E T E R S 1117 */ 1118 struct v4l2_captureparm { 1119 __u32 capability; /* Supported modes */ 1120 __u32 capturemode; /* Current mode */ 1121 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1122 __u32 extendedmode; /* Driver-specific extensions */ 1123 __u32 readbuffers; /* # of buffers for read */ 1124 __u32 reserved[4]; 1125 }; 1126 1127 /* Flags for 'capability' and 'capturemode' fields */ 1128 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 1129 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 1130 1131 struct v4l2_outputparm { 1132 __u32 capability; /* Supported modes */ 1133 __u32 outputmode; /* Current mode */ 1134 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1135 __u32 extendedmode; /* Driver-specific extensions */ 1136 __u32 writebuffers; /* # of buffers for write */ 1137 __u32 reserved[4]; 1138 }; 1139 1140 /* 1141 * I N P U T I M A G E C R O P P I N G 1142 */ 1143 struct v4l2_cropcap { 1144 __u32 type; /* enum v4l2_buf_type */ 1145 struct v4l2_rect bounds; 1146 struct v4l2_rect defrect; 1147 struct v4l2_fract pixelaspect; 1148 }; 1149 1150 struct v4l2_crop { 1151 __u32 type; /* enum v4l2_buf_type */ 1152 struct v4l2_rect c; 1153 }; 1154 1155 /** 1156 * struct v4l2_selection - selection info 1157 * @type: buffer type (do not use *_MPLANE types) 1158 * @target: Selection target, used to choose one of possible rectangles; 1159 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 1160 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 1161 * @r: coordinates of selection window 1162 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 1163 * 1164 * Hardware may use multiple helper windows to process a video stream. 1165 * The structure is used to exchange this selection areas between 1166 * an application and a driver. 1167 */ 1168 struct v4l2_selection { 1169 __u32 type; 1170 __u32 target; 1171 __u32 flags; 1172 struct v4l2_rect r; 1173 __u32 reserved[9]; 1174 }; 1175 1176 1177 /* 1178 * A N A L O G V I D E O S T A N D A R D 1179 */ 1180 1181 typedef __u64 v4l2_std_id; 1182 1183 /* one bit for each */ 1184 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 1185 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 1186 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 1187 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 1188 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 1189 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 1190 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 1191 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 1192 1193 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 1194 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 1195 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 1196 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 1197 1198 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 1199 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 1200 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 1201 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 1202 1203 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 1204 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 1205 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 1206 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 1207 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 1208 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 1209 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 1210 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 1211 1212 /* ATSC/HDTV */ 1213 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 1214 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 1215 1216 /* FIXME: 1217 Although std_id is 64 bits, there is an issue on PPC32 architecture that 1218 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 1219 this value to 32 bits. 1220 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 1221 it should work fine. However, if needed to add more than two standards, 1222 v4l2-common.c should be fixed. 1223 */ 1224 1225 /* 1226 * Some macros to merge video standards in order to make live easier for the 1227 * drivers and V4L2 applications 1228 */ 1229 1230 /* 1231 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 1232 * Missing here. 1233 */ 1234 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 1235 V4L2_STD_NTSC_M_JP |\ 1236 V4L2_STD_NTSC_M_KR) 1237 /* Secam macros */ 1238 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 1239 V4L2_STD_SECAM_K |\ 1240 V4L2_STD_SECAM_K1) 1241 /* All Secam Standards */ 1242 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 1243 V4L2_STD_SECAM_G |\ 1244 V4L2_STD_SECAM_H |\ 1245 V4L2_STD_SECAM_DK |\ 1246 V4L2_STD_SECAM_L |\ 1247 V4L2_STD_SECAM_LC) 1248 /* PAL macros */ 1249 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 1250 V4L2_STD_PAL_B1 |\ 1251 V4L2_STD_PAL_G) 1252 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1253 V4L2_STD_PAL_D1 |\ 1254 V4L2_STD_PAL_K) 1255 /* 1256 * "Common" PAL - This macro is there to be compatible with the old 1257 * V4L1 concept of "PAL": /BGDKHI. 1258 * Several PAL standards are missing here: /M, /N and /Nc 1259 */ 1260 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1261 V4L2_STD_PAL_DK |\ 1262 V4L2_STD_PAL_H |\ 1263 V4L2_STD_PAL_I) 1264 /* Chroma "agnostic" standards */ 1265 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 1266 V4L2_STD_PAL_B1 |\ 1267 V4L2_STD_SECAM_B) 1268 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 1269 V4L2_STD_SECAM_G) 1270 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 1271 V4L2_STD_SECAM_H) 1272 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1273 V4L2_STD_SECAM_LC) 1274 #define V4L2_STD_GH (V4L2_STD_G |\ 1275 V4L2_STD_H) 1276 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1277 V4L2_STD_SECAM_DK) 1278 #define V4L2_STD_BG (V4L2_STD_B |\ 1279 V4L2_STD_G) 1280 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1281 V4L2_STD_PAL_N |\ 1282 V4L2_STD_PAL_Nc |\ 1283 V4L2_STD_NTSC) 1284 1285 /* Standards where MTS/BTSC stereo could be found */ 1286 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1287 V4L2_STD_PAL_M |\ 1288 V4L2_STD_PAL_N |\ 1289 V4L2_STD_PAL_Nc) 1290 1291 /* Standards for Countries with 60Hz Line frequency */ 1292 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1293 V4L2_STD_PAL_60 |\ 1294 V4L2_STD_NTSC |\ 1295 V4L2_STD_NTSC_443) 1296 /* Standards for Countries with 50Hz Line frequency */ 1297 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1298 V4L2_STD_PAL_N |\ 1299 V4L2_STD_PAL_Nc |\ 1300 V4L2_STD_SECAM) 1301 1302 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1303 V4L2_STD_ATSC_16_VSB) 1304 /* Macros with none and all analog standards */ 1305 #define V4L2_STD_UNKNOWN 0 1306 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1307 V4L2_STD_625_50) 1308 1309 struct v4l2_standard { 1310 __u32 index; 1311 v4l2_std_id id; 1312 __u8 name[24]; 1313 struct v4l2_fract frameperiod; /* Frames, not fields */ 1314 __u32 framelines; 1315 __u32 reserved[4]; 1316 }; 1317 1318 /* 1319 * D V B T T I M I N G S 1320 */ 1321 1322 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1323 * @width: total width of the active video in pixels 1324 * @height: total height of the active video in lines 1325 * @interlaced: Interlaced or progressive 1326 * @polarities: Positive or negative polarities 1327 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1328 * @hfrontporch:Horizontal front porch in pixels 1329 * @hsync: Horizontal Sync length in pixels 1330 * @hbackporch: Horizontal back porch in pixels 1331 * @vfrontporch:Vertical front porch in lines 1332 * @vsync: Vertical Sync length in lines 1333 * @vbackporch: Vertical back porch in lines 1334 * @il_vfrontporch:Vertical front porch for the even field 1335 * (aka field 2) of interlaced field formats 1336 * @il_vsync: Vertical Sync length for the even field 1337 * (aka field 2) of interlaced field formats 1338 * @il_vbackporch:Vertical back porch for the even field 1339 * (aka field 2) of interlaced field formats 1340 * @standards: Standards the timing belongs to 1341 * @flags: Flags 1342 * @reserved: Reserved fields, must be zeroed. 1343 * 1344 * A note regarding vertical interlaced timings: height refers to the total 1345 * height of the active video frame (= two fields). The blanking timings refer 1346 * to the blanking of each field. So the height of the total frame is 1347 * calculated as follows: 1348 * 1349 * tot_height = height + vfrontporch + vsync + vbackporch + 1350 * il_vfrontporch + il_vsync + il_vbackporch 1351 * 1352 * The active height of each field is height / 2. 1353 */ 1354 struct v4l2_bt_timings { 1355 __u32 width; 1356 __u32 height; 1357 __u32 interlaced; 1358 __u32 polarities; 1359 __u64 pixelclock; 1360 __u32 hfrontporch; 1361 __u32 hsync; 1362 __u32 hbackporch; 1363 __u32 vfrontporch; 1364 __u32 vsync; 1365 __u32 vbackporch; 1366 __u32 il_vfrontporch; 1367 __u32 il_vsync; 1368 __u32 il_vbackporch; 1369 __u32 standards; 1370 __u32 flags; 1371 __u32 reserved[14]; 1372 } __attribute__ ((packed)); 1373 1374 /* Interlaced or progressive format */ 1375 #define V4L2_DV_PROGRESSIVE 0 1376 #define V4L2_DV_INTERLACED 1 1377 1378 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1379 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1380 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1381 1382 /* Timings standards */ 1383 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1384 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1385 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1386 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1387 #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */ 1388 1389 /* Flags */ 1390 1391 /* CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1392 GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1393 intervals are reduced, allowing a higher resolution over the same 1394 bandwidth. This is a read-only flag. */ 1395 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1396 /* CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1397 of six. These formats can be optionally played at 1 / 1.001 speed. 1398 This is a read-only flag. */ 1399 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1400 /* CEA-861 specific: only valid for video transmitters, the flag is cleared 1401 by receivers. 1402 If the framerate of the format is a multiple of six, then the pixelclock 1403 used to set up the transmitter is divided by 1.001 to make it compatible 1404 with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1405 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1406 such frequencies, then the flag will also be cleared. */ 1407 #define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1408 /* Specific to interlaced formats: if set, then field 1 is really one half-line 1409 longer and field 2 is really one half-line shorter, so each field has 1410 exactly the same number of half-lines. Whether half-lines can be detected 1411 or used depends on the hardware. */ 1412 #define V4L2_DV_FL_HALF_LINE (1 << 3) 1413 /* If set, then this is a Consumer Electronics (CE) video format. Such formats 1414 * differ from other formats (commonly called IT formats) in that if RGB 1415 * encoding is used then by default the RGB values use limited range (i.e. 1416 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861 1417 * except for the 640x480 format are CE formats. */ 1418 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4) 1419 /* Some formats like SMPTE-125M have an interlaced signal with a odd 1420 * total height. For these formats, if this flag is set, the first 1421 * field has the extra line. If not, it is the second field. 1422 */ 1423 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5) 1424 1425 /* A few useful defines to calculate the total blanking and frame sizes */ 1426 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1427 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1428 #define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1429 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1430 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1431 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1432 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) 1433 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1434 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1435 1436 /** struct v4l2_dv_timings - DV timings 1437 * @type: the type of the timings 1438 * @bt: BT656/1120 timings 1439 */ 1440 struct v4l2_dv_timings { 1441 __u32 type; 1442 union { 1443 struct v4l2_bt_timings bt; 1444 __u32 reserved[32]; 1445 }; 1446 } __attribute__ ((packed)); 1447 1448 /* Values for the type field */ 1449 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1450 1451 1452 /** struct v4l2_enum_dv_timings - DV timings enumeration 1453 * @index: enumeration index 1454 * @pad: the pad number for which to enumerate timings (used with 1455 * v4l-subdev nodes only) 1456 * @reserved: must be zeroed 1457 * @timings: the timings for the given index 1458 */ 1459 struct v4l2_enum_dv_timings { 1460 __u32 index; 1461 __u32 pad; 1462 __u32 reserved[2]; 1463 struct v4l2_dv_timings timings; 1464 }; 1465 1466 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1467 * @min_width: width in pixels 1468 * @max_width: width in pixels 1469 * @min_height: height in lines 1470 * @max_height: height in lines 1471 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1472 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1473 * @standards: Supported standards 1474 * @capabilities: Supported capabilities 1475 * @reserved: Must be zeroed 1476 */ 1477 struct v4l2_bt_timings_cap { 1478 __u32 min_width; 1479 __u32 max_width; 1480 __u32 min_height; 1481 __u32 max_height; 1482 __u64 min_pixelclock; 1483 __u64 max_pixelclock; 1484 __u32 standards; 1485 __u32 capabilities; 1486 __u32 reserved[16]; 1487 } __attribute__ ((packed)); 1488 1489 /* Supports interlaced formats */ 1490 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1491 /* Supports progressive formats */ 1492 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1493 /* Supports CVT/GTF reduced blanking */ 1494 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1495 /* Supports custom formats */ 1496 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1497 1498 /** struct v4l2_dv_timings_cap - DV timings capabilities 1499 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1500 * @pad: the pad number for which to query capabilities (used with 1501 * v4l-subdev nodes only) 1502 * @bt: the BT656/1120 timings capabilities 1503 */ 1504 struct v4l2_dv_timings_cap { 1505 __u32 type; 1506 __u32 pad; 1507 __u32 reserved[2]; 1508 union { 1509 struct v4l2_bt_timings_cap bt; 1510 __u32 raw_data[32]; 1511 }; 1512 }; 1513 1514 1515 /* 1516 * V I D E O I N P U T S 1517 */ 1518 struct v4l2_input { 1519 __u32 index; /* Which input */ 1520 __u8 name[32]; /* Label */ 1521 __u32 type; /* Type of input */ 1522 __u32 audioset; /* Associated audios (bitfield) */ 1523 __u32 tuner; /* enum v4l2_tuner_type */ 1524 v4l2_std_id std; 1525 __u32 status; 1526 __u32 capabilities; 1527 __u32 reserved[3]; 1528 }; 1529 1530 /* Values for the 'type' field */ 1531 #define V4L2_INPUT_TYPE_TUNER 1 1532 #define V4L2_INPUT_TYPE_CAMERA 2 1533 #define V4L2_INPUT_TYPE_TOUCH 3 1534 1535 /* field 'status' - general */ 1536 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1537 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1538 #define V4L2_IN_ST_NO_COLOR 0x00000004 1539 1540 /* field 'status' - sensor orientation */ 1541 /* If sensor is mounted upside down set both bits */ 1542 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1543 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1544 1545 /* field 'status' - analog */ 1546 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1547 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1548 #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */ 1549 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */ 1550 1551 /* field 'status' - digital */ 1552 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1553 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1554 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1555 1556 /* field 'status' - VCR and set-top box */ 1557 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1558 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1559 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1560 1561 /* capabilities flags */ 1562 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1563 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1564 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1565 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1566 1567 /* 1568 * V I D E O O U T P U T S 1569 */ 1570 struct v4l2_output { 1571 __u32 index; /* Which output */ 1572 __u8 name[32]; /* Label */ 1573 __u32 type; /* Type of output */ 1574 __u32 audioset; /* Associated audios (bitfield) */ 1575 __u32 modulator; /* Associated modulator */ 1576 v4l2_std_id std; 1577 __u32 capabilities; 1578 __u32 reserved[3]; 1579 }; 1580 /* Values for the 'type' field */ 1581 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1582 #define V4L2_OUTPUT_TYPE_ANALOG 2 1583 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1584 1585 /* capabilities flags */ 1586 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1587 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1588 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1589 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1590 1591 /* 1592 * C O N T R O L S 1593 */ 1594 struct v4l2_control { 1595 __u32 id; 1596 __s32 value; 1597 }; 1598 1599 struct v4l2_ext_control { 1600 __u32 id; 1601 __u32 size; 1602 __u32 reserved2[1]; 1603 union { 1604 __s32 value; 1605 __s64 value64; 1606 char *string; 1607 __u8 *p_u8; 1608 __u16 *p_u16; 1609 __u32 *p_u32; 1610 void *ptr; 1611 }; 1612 } __attribute__ ((packed)); 1613 1614 struct v4l2_ext_controls { 1615 union { 1616 __u32 ctrl_class; 1617 __u32 which; 1618 }; 1619 __u32 count; 1620 __u32 error_idx; 1621 __u32 reserved[2]; 1622 struct v4l2_ext_control *controls; 1623 }; 1624 1625 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1626 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1627 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL) 1628 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1629 #define V4L2_CTRL_MAX_DIMS (4) 1630 #define V4L2_CTRL_WHICH_CUR_VAL 0 1631 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000 1632 1633 enum v4l2_ctrl_type { 1634 V4L2_CTRL_TYPE_INTEGER = 1, 1635 V4L2_CTRL_TYPE_BOOLEAN = 2, 1636 V4L2_CTRL_TYPE_MENU = 3, 1637 V4L2_CTRL_TYPE_BUTTON = 4, 1638 V4L2_CTRL_TYPE_INTEGER64 = 5, 1639 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1640 V4L2_CTRL_TYPE_STRING = 7, 1641 V4L2_CTRL_TYPE_BITMASK = 8, 1642 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1643 1644 /* Compound types are >= 0x0100 */ 1645 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1646 V4L2_CTRL_TYPE_U8 = 0x0100, 1647 V4L2_CTRL_TYPE_U16 = 0x0101, 1648 V4L2_CTRL_TYPE_U32 = 0x0102, 1649 }; 1650 1651 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1652 struct v4l2_queryctrl { 1653 __u32 id; 1654 __u32 type; /* enum v4l2_ctrl_type */ 1655 __u8 name[32]; /* Whatever */ 1656 __s32 minimum; /* Note signedness */ 1657 __s32 maximum; 1658 __s32 step; 1659 __s32 default_value; 1660 __u32 flags; 1661 __u32 reserved[2]; 1662 }; 1663 1664 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1665 struct v4l2_query_ext_ctrl { 1666 __u32 id; 1667 __u32 type; 1668 char name[32]; 1669 __s64 minimum; 1670 __s64 maximum; 1671 __u64 step; 1672 __s64 default_value; 1673 __u32 flags; 1674 __u32 elem_size; 1675 __u32 elems; 1676 __u32 nr_of_dims; 1677 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1678 __u32 reserved[32]; 1679 }; 1680 1681 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1682 struct v4l2_querymenu { 1683 __u32 id; 1684 __u32 index; 1685 union { 1686 __u8 name[32]; /* Whatever */ 1687 __s64 value; 1688 }; 1689 __u32 reserved; 1690 } __attribute__ ((packed)); 1691 1692 /* Control flags */ 1693 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1694 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1695 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1696 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1697 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1698 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1699 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1700 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1701 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1702 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 1703 1704 /* Query flags, to be ORed with the control ID */ 1705 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1706 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1707 1708 /* User-class control IDs defined by V4L2 */ 1709 #define V4L2_CID_MAX_CTRLS 1024 1710 /* IDs reserved for driver specific controls */ 1711 #define V4L2_CID_PRIVATE_BASE 0x08000000 1712 1713 1714 /* 1715 * T U N I N G 1716 */ 1717 struct v4l2_tuner { 1718 __u32 index; 1719 __u8 name[32]; 1720 __u32 type; /* enum v4l2_tuner_type */ 1721 __u32 capability; 1722 __u32 rangelow; 1723 __u32 rangehigh; 1724 __u32 rxsubchans; 1725 __u32 audmode; 1726 __s32 signal; 1727 __s32 afc; 1728 __u32 reserved[4]; 1729 }; 1730 1731 struct v4l2_modulator { 1732 __u32 index; 1733 __u8 name[32]; 1734 __u32 capability; 1735 __u32 rangelow; 1736 __u32 rangehigh; 1737 __u32 txsubchans; 1738 __u32 type; /* enum v4l2_tuner_type */ 1739 __u32 reserved[3]; 1740 }; 1741 1742 /* Flags for the 'capability' field */ 1743 #define V4L2_TUNER_CAP_LOW 0x0001 1744 #define V4L2_TUNER_CAP_NORM 0x0002 1745 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1746 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1747 #define V4L2_TUNER_CAP_STEREO 0x0010 1748 #define V4L2_TUNER_CAP_LANG2 0x0020 1749 #define V4L2_TUNER_CAP_SAP 0x0020 1750 #define V4L2_TUNER_CAP_LANG1 0x0040 1751 #define V4L2_TUNER_CAP_RDS 0x0080 1752 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1753 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1754 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1755 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1756 #define V4L2_TUNER_CAP_1HZ 0x1000 1757 1758 /* Flags for the 'rxsubchans' field */ 1759 #define V4L2_TUNER_SUB_MONO 0x0001 1760 #define V4L2_TUNER_SUB_STEREO 0x0002 1761 #define V4L2_TUNER_SUB_LANG2 0x0004 1762 #define V4L2_TUNER_SUB_SAP 0x0004 1763 #define V4L2_TUNER_SUB_LANG1 0x0008 1764 #define V4L2_TUNER_SUB_RDS 0x0010 1765 1766 /* Values for the 'audmode' field */ 1767 #define V4L2_TUNER_MODE_MONO 0x0000 1768 #define V4L2_TUNER_MODE_STEREO 0x0001 1769 #define V4L2_TUNER_MODE_LANG2 0x0002 1770 #define V4L2_TUNER_MODE_SAP 0x0002 1771 #define V4L2_TUNER_MODE_LANG1 0x0003 1772 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1773 1774 struct v4l2_frequency { 1775 __u32 tuner; 1776 __u32 type; /* enum v4l2_tuner_type */ 1777 __u32 frequency; 1778 __u32 reserved[8]; 1779 }; 1780 1781 #define V4L2_BAND_MODULATION_VSB (1 << 1) 1782 #define V4L2_BAND_MODULATION_FM (1 << 2) 1783 #define V4L2_BAND_MODULATION_AM (1 << 3) 1784 1785 struct v4l2_frequency_band { 1786 __u32 tuner; 1787 __u32 type; /* enum v4l2_tuner_type */ 1788 __u32 index; 1789 __u32 capability; 1790 __u32 rangelow; 1791 __u32 rangehigh; 1792 __u32 modulation; 1793 __u32 reserved[9]; 1794 }; 1795 1796 struct v4l2_hw_freq_seek { 1797 __u32 tuner; 1798 __u32 type; /* enum v4l2_tuner_type */ 1799 __u32 seek_upward; 1800 __u32 wrap_around; 1801 __u32 spacing; 1802 __u32 rangelow; 1803 __u32 rangehigh; 1804 __u32 reserved[5]; 1805 }; 1806 1807 /* 1808 * R D S 1809 */ 1810 1811 struct v4l2_rds_data { 1812 __u8 lsb; 1813 __u8 msb; 1814 __u8 block; 1815 } __attribute__ ((packed)); 1816 1817 #define V4L2_RDS_BLOCK_MSK 0x7 1818 #define V4L2_RDS_BLOCK_A 0 1819 #define V4L2_RDS_BLOCK_B 1 1820 #define V4L2_RDS_BLOCK_C 2 1821 #define V4L2_RDS_BLOCK_D 3 1822 #define V4L2_RDS_BLOCK_C_ALT 4 1823 #define V4L2_RDS_BLOCK_INVALID 7 1824 1825 #define V4L2_RDS_BLOCK_CORRECTED 0x40 1826 #define V4L2_RDS_BLOCK_ERROR 0x80 1827 1828 /* 1829 * A U D I O 1830 */ 1831 struct v4l2_audio { 1832 __u32 index; 1833 __u8 name[32]; 1834 __u32 capability; 1835 __u32 mode; 1836 __u32 reserved[2]; 1837 }; 1838 1839 /* Flags for the 'capability' field */ 1840 #define V4L2_AUDCAP_STEREO 0x00001 1841 #define V4L2_AUDCAP_AVL 0x00002 1842 1843 /* Flags for the 'mode' field */ 1844 #define V4L2_AUDMODE_AVL 0x00001 1845 1846 struct v4l2_audioout { 1847 __u32 index; 1848 __u8 name[32]; 1849 __u32 capability; 1850 __u32 mode; 1851 __u32 reserved[2]; 1852 }; 1853 1854 /* 1855 * M P E G S E R V I C E S 1856 */ 1857 #if 1 1858 #define V4L2_ENC_IDX_FRAME_I (0) 1859 #define V4L2_ENC_IDX_FRAME_P (1) 1860 #define V4L2_ENC_IDX_FRAME_B (2) 1861 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 1862 1863 struct v4l2_enc_idx_entry { 1864 __u64 offset; 1865 __u64 pts; 1866 __u32 length; 1867 __u32 flags; 1868 __u32 reserved[2]; 1869 }; 1870 1871 #define V4L2_ENC_IDX_ENTRIES (64) 1872 struct v4l2_enc_idx { 1873 __u32 entries; 1874 __u32 entries_cap; 1875 __u32 reserved[4]; 1876 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 1877 }; 1878 1879 1880 #define V4L2_ENC_CMD_START (0) 1881 #define V4L2_ENC_CMD_STOP (1) 1882 #define V4L2_ENC_CMD_PAUSE (2) 1883 #define V4L2_ENC_CMD_RESUME (3) 1884 1885 /* Flags for V4L2_ENC_CMD_STOP */ 1886 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 1887 1888 struct v4l2_encoder_cmd { 1889 __u32 cmd; 1890 __u32 flags; 1891 union { 1892 struct { 1893 __u32 data[8]; 1894 } raw; 1895 }; 1896 }; 1897 1898 /* Decoder commands */ 1899 #define V4L2_DEC_CMD_START (0) 1900 #define V4L2_DEC_CMD_STOP (1) 1901 #define V4L2_DEC_CMD_PAUSE (2) 1902 #define V4L2_DEC_CMD_RESUME (3) 1903 #define V4L2_QCOM_CMD_FLUSH (4) 1904 #define V4L2_DEC_QCOM_CMD_RECONFIG_HINT (5) 1905 #define V4L2_QCOM_CMD_SESSION_CONTINUE (6) 1906 /* Flags for V4L2_DEC_CMD_START */ 1907 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 1908 1909 /* Flags for V4L2_DEC_CMD_PAUSE */ 1910 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 1911 1912 /* Flags for V4L2_DEC_CMD_STOP */ 1913 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 1914 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 1915 1916 #define V4L2_QCOM_CMD_FLUSH_OUTPUT (1 << 0) 1917 #define V4L2_QCOM_CMD_FLUSH_CAPTURE (1 << 1) 1918 1919 /* Play format requirements (returned by the driver): */ 1920 1921 /* The decoder has no special format requirements */ 1922 #define V4L2_DEC_START_FMT_NONE (0) 1923 /* The decoder requires full GOPs */ 1924 #define V4L2_DEC_START_FMT_GOP (1) 1925 1926 /* The structure must be zeroed before use by the application 1927 This ensures it can be extended safely in the future. */ 1928 struct v4l2_decoder_cmd { 1929 __u32 cmd; 1930 __u32 flags; 1931 union { 1932 struct { 1933 __u64 pts; 1934 } stop; 1935 1936 struct { 1937 /* 0 or 1000 specifies normal speed, 1938 1 specifies forward single stepping, 1939 -1 specifies backward single stepping, 1940 >1: playback at speed/1000 of the normal speed, 1941 <-1: reverse playback at (-speed/1000) of the normal speed. */ 1942 __s32 speed; 1943 __u32 format; 1944 } start; 1945 1946 struct { 1947 __u32 data[16]; 1948 } raw; 1949 }; 1950 }; 1951 #endif 1952 1953 1954 /* 1955 * D A T A S E R V I C E S ( V B I ) 1956 * 1957 * Data services API by Michael Schimek 1958 */ 1959 1960 /* Raw VBI */ 1961 struct v4l2_vbi_format { 1962 __u32 sampling_rate; /* in 1 Hz */ 1963 __u32 offset; 1964 __u32 samples_per_line; 1965 __u32 sample_format; /* V4L2_PIX_FMT_* */ 1966 __s32 start[2]; 1967 __u32 count[2]; 1968 __u32 flags; /* V4L2_VBI_* */ 1969 __u32 reserved[2]; /* must be zero */ 1970 }; 1971 1972 /* VBI flags */ 1973 #define V4L2_VBI_UNSYNC (1 << 0) 1974 #define V4L2_VBI_INTERLACED (1 << 1) 1975 1976 /* ITU-R start lines for each field */ 1977 #define V4L2_VBI_ITU_525_F1_START (1) 1978 #define V4L2_VBI_ITU_525_F2_START (264) 1979 #define V4L2_VBI_ITU_625_F1_START (1) 1980 #define V4L2_VBI_ITU_625_F2_START (314) 1981 1982 /* Sliced VBI 1983 * 1984 * This implements is a proposal V4L2 API to allow SLICED VBI 1985 * required for some hardware encoders. It should change without 1986 * notice in the definitive implementation. 1987 */ 1988 1989 struct v4l2_sliced_vbi_format { 1990 __u16 service_set; 1991 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1992 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1993 (equals frame lines 313-336 for 625 line video 1994 standards, 263-286 for 525 line standards) */ 1995 __u16 service_lines[2][24]; 1996 __u32 io_size; 1997 __u32 reserved[2]; /* must be zero */ 1998 }; 1999 2000 /* Teletext World System Teletext 2001 (WST), defined on ITU-R BT.653-2 */ 2002 #define V4L2_SLICED_TELETEXT_B (0x0001) 2003 /* Video Program System, defined on ETS 300 231*/ 2004 #define V4L2_SLICED_VPS (0x0400) 2005 /* Closed Caption, defined on EIA-608 */ 2006 #define V4L2_SLICED_CAPTION_525 (0x1000) 2007 /* Wide Screen System, defined on ITU-R BT1119.1 */ 2008 #define V4L2_SLICED_WSS_625 (0x4000) 2009 2010 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 2011 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 2012 2013 struct v4l2_sliced_vbi_cap { 2014 __u16 service_set; 2015 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2016 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2017 (equals frame lines 313-336 for 625 line video 2018 standards, 263-286 for 525 line standards) */ 2019 __u16 service_lines[2][24]; 2020 __u32 type; /* enum v4l2_buf_type */ 2021 __u32 reserved[3]; /* must be 0 */ 2022 }; 2023 2024 struct v4l2_sliced_vbi_data { 2025 __u32 id; 2026 __u32 field; /* 0: first field, 1: second field */ 2027 __u32 line; /* 1-23 */ 2028 __u32 reserved; /* must be 0 */ 2029 __u8 data[48]; 2030 }; 2031 2032 /* 2033 * Sliced VBI data inserted into MPEG Streams 2034 */ 2035 2036 /* 2037 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 2038 * 2039 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 2040 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 2041 * data 2042 * 2043 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 2044 * definitions are not included here. See the MPEG-2 specifications for details 2045 * on these headers. 2046 */ 2047 2048 /* Line type IDs */ 2049 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 2050 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 2051 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 2052 #define V4L2_MPEG_VBI_IVTV_VPS (7) 2053 2054 struct v4l2_mpeg_vbi_itv0_line { 2055 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 2056 __u8 data[42]; /* Sliced VBI data for the line */ 2057 } __attribute__ ((packed)); 2058 2059 struct v4l2_mpeg_vbi_itv0 { 2060 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 2061 struct v4l2_mpeg_vbi_itv0_line line[35]; 2062 } __attribute__ ((packed)); 2063 2064 struct v4l2_mpeg_vbi_ITV0 { 2065 struct v4l2_mpeg_vbi_itv0_line line[36]; 2066 } __attribute__ ((packed)); 2067 2068 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 2069 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 2070 2071 struct v4l2_mpeg_vbi_fmt_ivtv { 2072 __u8 magic[4]; 2073 union { 2074 struct v4l2_mpeg_vbi_itv0 itv0; 2075 struct v4l2_mpeg_vbi_ITV0 ITV0; 2076 }; 2077 } __attribute__ ((packed)); 2078 2079 /* 2080 * A G G R E G A T E S T R U C T U R E S 2081 */ 2082 2083 /** 2084 * struct v4l2_plane_pix_format - additional, per-plane format definition 2085 * @sizeimage: maximum size in bytes required for data, for which 2086 * this plane will be used 2087 * @bytesperline: distance in bytes between the leftmost pixels in two 2088 * adjacent lines 2089 */ 2090 struct v4l2_plane_pix_format { 2091 __u32 sizeimage; 2092 __u32 bytesperline; 2093 __u16 reserved[6]; 2094 } __attribute__ ((packed)); 2095 2096 /** 2097 * struct v4l2_pix_format_mplane - multiplanar format definition 2098 * @width: image width in pixels 2099 * @height: image height in pixels 2100 * @pixelformat: little endian four character code (fourcc) 2101 * @field: enum v4l2_field; field order (for interlaced video) 2102 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 2103 * @plane_fmt: per-plane information 2104 * @num_planes: number of planes for this format 2105 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 2106 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding 2107 * @quantization: enum v4l2_quantization, colorspace quantization 2108 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function 2109 */ 2110 struct v4l2_pix_format_mplane { 2111 __u32 width; 2112 __u32 height; 2113 __u32 pixelformat; 2114 __u32 field; 2115 __u32 colorspace; 2116 2117 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 2118 __u8 num_planes; 2119 __u8 flags; 2120 __u8 ycbcr_enc; 2121 __u8 quantization; 2122 __u8 xfer_func; 2123 __u8 reserved[7]; 2124 } __attribute__ ((packed)); 2125 2126 /** 2127 * struct v4l2_sdr_format - SDR format definition 2128 * @pixelformat: little endian four character code (fourcc) 2129 * @buffersize: maximum size in bytes required for data 2130 */ 2131 struct v4l2_sdr_format { 2132 __u32 pixelformat; 2133 __u32 buffersize; 2134 __u8 reserved[24]; 2135 } __attribute__ ((packed)); 2136 2137 /** 2138 * struct v4l2_format - stream data format 2139 * @type: enum v4l2_buf_type; type of the data stream 2140 * @pix: definition of an image format 2141 * @pix_mp: definition of a multiplanar image format 2142 * @win: definition of an overlaid image 2143 * @vbi: raw VBI capture or output parameters 2144 * @sliced: sliced VBI capture or output parameters 2145 * @raw_data: placeholder for future extensions and custom formats 2146 */ 2147 struct v4l2_format { 2148 __u32 type; 2149 union { 2150 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 2151 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 2152 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 2153 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 2154 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 2155 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 2156 __u8 raw_data[200]; /* user-defined */ 2157 } fmt; 2158 }; 2159 2160 /* Stream type-dependent parameters 2161 */ 2162 struct v4l2_streamparm { 2163 __u32 type; /* enum v4l2_buf_type */ 2164 union { 2165 struct v4l2_captureparm capture; 2166 struct v4l2_outputparm output; 2167 __u8 raw_data[200]; /* user-defined */ 2168 } parm; 2169 }; 2170 2171 /* 2172 * E V E N T S 2173 */ 2174 2175 #define V4L2_EVENT_ALL 0 2176 #define V4L2_EVENT_VSYNC 1 2177 #define V4L2_EVENT_EOS 2 2178 #define V4L2_EVENT_CTRL 3 2179 #define V4L2_EVENT_FRAME_SYNC 4 2180 #define V4L2_EVENT_SOURCE_CHANGE 5 2181 #define V4L2_EVENT_MOTION_DET 6 2182 #define V4L2_EVENT_PRIVATE_START 0x08000000 2183 2184 #define V4L2_EVENT_BITDEPTH_FLAG 0x1 2185 #define V4L2_EVENT_PICSTRUCT_FLAG 0x2 2186 #define V4L2_EVENT_COLOUR_SPACE_FLAG 0x4 2187 2188 #define V4L2_EVENT_MSM_VIDC_START (V4L2_EVENT_PRIVATE_START + 0x00001000) 2189 #define V4L2_EVENT_MSM_VIDC_FLUSH_DONE (V4L2_EVENT_MSM_VIDC_START + 1) 2190 #define V4L2_EVENT_MSM_VIDC_PORT_SETTINGS_CHANGED_SUFFICIENT \ 2191 (V4L2_EVENT_MSM_VIDC_START + 2) 2192 #define V4L2_EVENT_MSM_VIDC_PORT_SETTINGS_CHANGED_INSUFFICIENT \ 2193 (V4L2_EVENT_MSM_VIDC_START + 3) 2194 /* 2195 * Bitdepth changed insufficient is deprecated now, however retaining 2196 * to prevent changing the values of the other macros after bitdepth 2197 */ 2198 #define V4L2_EVENT_MSM_VIDC_PORT_SETTINGS_BITDEPTH_CHANGED_INSUFFICIENT \ 2199 (V4L2_EVENT_MSM_VIDC_START + 4) 2200 #define V4L2_EVENT_MSM_VIDC_SYS_ERROR (V4L2_EVENT_MSM_VIDC_START + 5) 2201 #define V4L2_EVENT_MSM_VIDC_RELEASE_BUFFER_REFERENCE \ 2202 (V4L2_EVENT_MSM_VIDC_START + 6) 2203 #define V4L2_EVENT_MSM_VIDC_RELEASE_UNQUEUED_BUFFER \ 2204 (V4L2_EVENT_MSM_VIDC_START + 7) 2205 #define V4L2_EVENT_MSM_VIDC_HW_OVERLOAD (V4L2_EVENT_MSM_VIDC_START + 8) 2206 #define V4L2_EVENT_MSM_VIDC_MAX_CLIENTS (V4L2_EVENT_MSM_VIDC_START + 9) 2207 #define V4L2_EVENT_MSM_VIDC_HW_UNSUPPORTED (V4L2_EVENT_MSM_VIDC_START + 10) 2208 2209 /* Payload for V4L2_EVENT_VSYNC */ 2210 struct v4l2_event_vsync { 2211 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 2212 __u8 field; 2213 } __attribute__ ((packed)); 2214 2215 /* Payload for V4L2_EVENT_CTRL */ 2216 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 2217 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 2218 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 2219 2220 struct v4l2_event_ctrl { 2221 __u32 changes; 2222 __u32 type; 2223 union { 2224 __s32 value; 2225 __s64 value64; 2226 }; 2227 __u32 flags; 2228 __s32 minimum; 2229 __s32 maximum; 2230 __s32 step; 2231 __s32 default_value; 2232 }; 2233 2234 struct v4l2_event_frame_sync { 2235 __u32 frame_sequence; 2236 }; 2237 2238 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 2239 2240 struct v4l2_event_src_change { 2241 __u32 changes; 2242 }; 2243 2244 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 2245 2246 /** 2247 * struct v4l2_event_motion_det - motion detection event 2248 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 2249 * frame_sequence field is valid. 2250 * @frame_sequence: the frame sequence number associated with this event. 2251 * @region_mask: which regions detected motion. 2252 */ 2253 struct v4l2_event_motion_det { 2254 __u32 flags; 2255 __u32 frame_sequence; 2256 __u32 region_mask; 2257 }; 2258 2259 struct v4l2_event { 2260 __u32 type; 2261 union { 2262 struct v4l2_event_vsync vsync; 2263 struct v4l2_event_ctrl ctrl; 2264 struct v4l2_event_frame_sync frame_sync; 2265 struct v4l2_event_src_change src_change; 2266 struct v4l2_event_motion_det motion_det; 2267 __u8 data[64]; 2268 } u; 2269 __u32 pending; 2270 __u32 sequence; 2271 struct timespec timestamp; 2272 __u32 id; 2273 __u32 reserved[8]; 2274 }; 2275 2276 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2277 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2278 2279 struct v4l2_event_subscription { 2280 __u32 type; 2281 __u32 id; 2282 __u32 flags; 2283 __u32 reserved[5]; 2284 }; 2285 2286 /* 2287 * A D V A N C E D D E B U G G I N G 2288 * 2289 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2290 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2291 */ 2292 2293 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2294 2295 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2296 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2297 2298 /* The following four defines are no longer in use */ 2299 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2300 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2301 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2302 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2303 2304 struct v4l2_dbg_match { 2305 __u32 type; /* Match type */ 2306 union { /* Match this chip, meaning determined by type */ 2307 __u32 addr; 2308 char name[32]; 2309 }; 2310 } __attribute__ ((packed)); 2311 2312 struct v4l2_dbg_register { 2313 struct v4l2_dbg_match match; 2314 __u32 size; /* register size in bytes */ 2315 __u64 reg; 2316 __u64 val; 2317 } __attribute__ ((packed)); 2318 2319 #define V4L2_CHIP_FL_READABLE (1 << 0) 2320 #define V4L2_CHIP_FL_WRITABLE (1 << 1) 2321 2322 /* VIDIOC_DBG_G_CHIP_INFO */ 2323 struct v4l2_dbg_chip_info { 2324 struct v4l2_dbg_match match; 2325 char name[32]; 2326 __u32 flags; 2327 __u32 reserved[32]; 2328 } __attribute__ ((packed)); 2329 2330 /** 2331 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2332 * @index: on return, index of the first created buffer 2333 * @count: entry: number of requested buffers, 2334 * return: number of created buffers 2335 * @memory: enum v4l2_memory; buffer memory type 2336 * @format: frame format, for which buffers are requested 2337 * @reserved: future extensions 2338 */ 2339 struct v4l2_create_buffers { 2340 __u32 index; 2341 __u32 count; 2342 __u32 memory; 2343 struct v4l2_format format; 2344 __u32 reserved[8]; 2345 }; 2346 2347 /* 2348 * 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 2349 * 2350 */ 2351 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2352 #define VIDIOC_RESERVED _IO('V', 1) 2353 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2354 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2355 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2356 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2357 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2358 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2359 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2360 #define VIDIOC_OVERLAY _IOW('V', 14, int) 2361 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2362 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2363 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2364 #define VIDIOC_STREAMON _IOW('V', 18, int) 2365 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 2366 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2367 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2368 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2369 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2370 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2371 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2372 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2373 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2374 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2375 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2376 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2377 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2378 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2379 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2380 #define VIDIOC_G_INPUT _IOR('V', 38, int) 2381 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 2382 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2383 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2384 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2385 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2386 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2387 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2388 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2389 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2390 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2391 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2392 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2393 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2394 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2395 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2396 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2397 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2398 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2399 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2400 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2401 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2402 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2403 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2404 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2405 #define VIDIOC_LOG_STATUS _IO('V', 70) 2406 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2407 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2408 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2409 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2410 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2411 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2412 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2413 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2414 2415 /* 2416 * Experimental, meant for debugging, testing and internal use. 2417 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2418 * You must be root to use these ioctls. Never use these in applications! 2419 */ 2420 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2421 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2422 2423 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2424 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2425 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2426 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2427 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2428 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2429 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2430 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2431 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2432 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2433 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2434 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2435 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2436 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2437 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2438 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2439 2440 /* 2441 * Experimental, meant for debugging, testing and internal use. 2442 * Never use this in applications! 2443 */ 2444 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2445 2446 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2447 2448 /* Reminder: when adding new ioctls please add support for them to 2449 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */ 2450 2451 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2452 2453 #endif /* __LINUX_VIDEODEV2_H */ 2454
