1 /* 2 * Video for Linux Two header file 3 * 4 * Copyright (C) 1999-2012 the contributors 5 * Copyright (c) 2016, 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 http://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 #if 1 141 /* Experimental */ 142 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8, 143 #endif 144 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9, 145 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10, 146 V4L2_BUF_TYPE_SDR_CAPTURE = 11, 147 V4L2_BUF_TYPE_SDR_OUTPUT = 12, 148 /* Deprecated, do not use */ 149 V4L2_BUF_TYPE_PRIVATE = 0x80, 150 }; 151 152 #define V4L2_TYPE_IS_MULTIPLANAR(type) \ 153 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \ 154 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 155 156 #define V4L2_TYPE_IS_OUTPUT(type) \ 157 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \ 158 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \ 159 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \ 160 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \ 161 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \ 162 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \ 163 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT) 164 165 enum v4l2_tuner_type { 166 V4L2_TUNER_RADIO = 1, 167 V4L2_TUNER_ANALOG_TV = 2, 168 V4L2_TUNER_DIGITAL_TV = 3, 169 V4L2_TUNER_SDR = 4, 170 V4L2_TUNER_RF = 5, 171 }; 172 173 /* Deprecated, do not use */ 174 #define V4L2_TUNER_ADC V4L2_TUNER_SDR 175 176 enum v4l2_memory { 177 V4L2_MEMORY_MMAP = 1, 178 V4L2_MEMORY_USERPTR = 2, 179 V4L2_MEMORY_OVERLAY = 3, 180 V4L2_MEMORY_DMABUF = 4, 181 }; 182 183 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 184 enum v4l2_colorspace { 185 /* 186 * Default colorspace, i.e. let the driver figure it out. 187 * Can only be used with video capture. 188 */ 189 V4L2_COLORSPACE_DEFAULT = 0, 190 191 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */ 192 V4L2_COLORSPACE_SMPTE170M = 1, 193 194 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */ 195 V4L2_COLORSPACE_SMPTE240M = 2, 196 197 /* Rec.709: used for HDTV */ 198 V4L2_COLORSPACE_REC709 = 3, 199 200 /* 201 * Deprecated, do not use. No driver will ever return this. This was 202 * based on a misunderstanding of the bt878 datasheet. 203 */ 204 V4L2_COLORSPACE_BT878 = 4, 205 206 /* 207 * NTSC 1953 colorspace. This only makes sense when dealing with 208 * really, really old NTSC recordings. Superseded by SMPTE 170M. 209 */ 210 V4L2_COLORSPACE_470_SYSTEM_M = 5, 211 212 /* 213 * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when 214 * dealing with really old PAL/SECAM recordings. Superseded by 215 * SMPTE 170M. 216 */ 217 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 218 219 /* 220 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601 221 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG. 222 */ 223 V4L2_COLORSPACE_JPEG = 7, 224 225 /* For RGB colorspaces such as produces by most webcams. */ 226 V4L2_COLORSPACE_SRGB = 8, 227 228 /* AdobeRGB colorspace */ 229 V4L2_COLORSPACE_ADOBERGB = 9, 230 231 /* BT.2020 colorspace, used for UHDTV. */ 232 V4L2_COLORSPACE_BT2020 = 10, 233 234 /* Raw colorspace: for RAW unprocessed images */ 235 V4L2_COLORSPACE_RAW = 11, 236 237 /* DCI-P3 colorspace, used by cinema projectors */ 238 V4L2_COLORSPACE_DCI_P3 = 12, 239 }; 240 241 /* 242 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace. 243 * This depends on whether this is a SDTV image (use SMPTE 170M), an 244 * HDTV image (use Rec. 709), or something else (use sRGB). 245 */ 246 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \ 247 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \ 248 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB)) 249 250 enum v4l2_xfer_func { 251 /* 252 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions 253 * for the various colorspaces: 254 * 255 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 256 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and 257 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709 258 * 259 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB 260 * 261 * V4L2_COLORSPACE_ADOBERGB: V4L2_XFER_FUNC_ADOBERGB 262 * 263 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M 264 * 265 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE 266 * 267 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3 268 */ 269 V4L2_XFER_FUNC_DEFAULT = 0, 270 V4L2_XFER_FUNC_709 = 1, 271 V4L2_XFER_FUNC_SRGB = 2, 272 V4L2_XFER_FUNC_ADOBERGB = 3, 273 V4L2_XFER_FUNC_SMPTE240M = 4, 274 V4L2_XFER_FUNC_NONE = 5, 275 V4L2_XFER_FUNC_DCI_P3 = 6, 276 V4L2_XFER_FUNC_SMPTE2084 = 7, 277 }; 278 279 /* 280 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function. 281 * This depends on the colorspace. 282 */ 283 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \ 284 ((colsp) == V4L2_COLORSPACE_ADOBERGB ? V4L2_XFER_FUNC_ADOBERGB : \ 285 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \ 286 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \ 287 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \ 288 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \ 289 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709))))) 290 291 enum v4l2_ycbcr_encoding { 292 /* 293 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the 294 * various colorspaces: 295 * 296 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 297 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_ADOBERGB and 298 * V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601 299 * 300 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709 301 * 302 * V4L2_COLORSPACE_SRGB: V4L2_YCBCR_ENC_SYCC 303 * 304 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020 305 * 306 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M 307 */ 308 V4L2_YCBCR_ENC_DEFAULT = 0, 309 310 /* ITU-R 601 -- SDTV */ 311 V4L2_YCBCR_ENC_601 = 1, 312 313 /* Rec. 709 -- HDTV */ 314 V4L2_YCBCR_ENC_709 = 2, 315 316 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */ 317 V4L2_YCBCR_ENC_XV601 = 3, 318 319 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */ 320 V4L2_YCBCR_ENC_XV709 = 4, 321 322 /* sYCC (Y'CbCr encoding of sRGB) */ 323 V4L2_YCBCR_ENC_SYCC = 5, 324 325 /* BT.2020 Non-constant Luminance Y'CbCr */ 326 V4L2_YCBCR_ENC_BT2020 = 6, 327 328 /* BT.2020 Constant Luminance Y'CbcCrc */ 329 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7, 330 331 /* SMPTE 240M -- Obsolete HDTV */ 332 V4L2_YCBCR_ENC_SMPTE240M = 8, 333 }; 334 335 /* 336 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding. 337 * This depends on the colorspace. 338 */ 339 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \ 340 (((colsp) == V4L2_COLORSPACE_REC709 || \ 341 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \ 342 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \ 343 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \ 344 V4L2_YCBCR_ENC_601))) 345 346 enum v4l2_quantization { 347 /* 348 * The default for R'G'B' quantization is always full range, except 349 * for the BT2020 colorspace. For Y'CbCr the quantization is always 350 * limited range, except for COLORSPACE_JPEG, SYCC, XV601 or XV709: 351 * those are full range. 352 */ 353 V4L2_QUANTIZATION_DEFAULT = 0, 354 V4L2_QUANTIZATION_FULL_RANGE = 1, 355 V4L2_QUANTIZATION_LIM_RANGE = 2, 356 }; 357 358 /* 359 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization. 360 * This depends on whether the image is RGB or not, the colorspace and the 361 * Y'CbCr encoding. 362 */ 363 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb, colsp, ycbcr_enc) \ 364 (((is_rgb) && (colsp) == V4L2_COLORSPACE_BT2020) ? V4L2_QUANTIZATION_LIM_RANGE : \ 365 (((is_rgb) || (ycbcr_enc) == V4L2_YCBCR_ENC_XV601 || \ 366 (ycbcr_enc) == V4L2_YCBCR_ENC_XV709 || (colsp) == V4L2_COLORSPACE_JPEG) ? \ 367 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE)) 368 369 enum v4l2_priority { 370 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 371 V4L2_PRIORITY_BACKGROUND = 1, 372 V4L2_PRIORITY_INTERACTIVE = 2, 373 V4L2_PRIORITY_RECORD = 3, 374 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 375 }; 376 377 struct v4l2_rect { 378 __s32 left; 379 __s32 top; 380 __u32 width; 381 __u32 height; 382 }; 383 384 struct v4l2_fract { 385 __u32 numerator; 386 __u32 denominator; 387 }; 388 389 /** 390 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 391 * 392 * @driver: name of the driver module (e.g. "bttv") 393 * @card: name of the card (e.g. "Hauppauge WinTV") 394 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 395 * @version: KERNEL_VERSION 396 * @capabilities: capabilities of the physical device as a whole 397 * @device_caps: capabilities accessed via this particular device (node) 398 * @reserved: reserved fields for future extensions 399 */ 400 struct v4l2_capability { 401 __u8 driver[16]; 402 __u8 card[32]; 403 __u8 bus_info[32]; 404 __u32 version; 405 __u32 capabilities; 406 __u32 device_caps; 407 __u32 reserved[3]; 408 }; 409 410 /* Values for 'capabilities' field */ 411 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 412 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 413 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 414 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 415 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 416 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 417 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 418 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 419 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 420 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 421 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 422 423 /* Is a video capture device that supports multiplanar formats */ 424 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 425 /* Is a video output device that supports multiplanar formats */ 426 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 427 /* Is a video mem-to-mem device that supports multiplanar formats */ 428 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 429 /* Is a video mem-to-mem device */ 430 #define V4L2_CAP_VIDEO_M2M 0x00008000 431 432 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 433 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 434 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 435 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 436 437 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */ 438 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */ 439 #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */ 440 441 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 442 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 443 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 444 445 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 446 447 /* 448 * V I D E O I M A G E F O R M A T 449 */ 450 struct v4l2_pix_format { 451 __u32 width; 452 __u32 height; 453 __u32 pixelformat; 454 __u32 field; /* enum v4l2_field */ 455 __u32 bytesperline; /* for padding, zero if unused */ 456 __u32 sizeimage; 457 __u32 colorspace; /* enum v4l2_colorspace */ 458 __u32 priv; /* private data, depends on pixelformat */ 459 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ 460 __u32 ycbcr_enc; /* enum v4l2_ycbcr_encoding */ 461 __u32 quantization; /* enum v4l2_quantization */ 462 __u32 xfer_func; /* enum v4l2_xfer_func */ 463 }; 464 465 /* Pixel format FOURCC depth Description */ 466 467 /* RGB formats */ 468 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 469 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 470 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */ 471 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */ 472 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 473 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */ 474 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */ 475 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 476 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 477 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */ 478 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */ 479 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 480 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 481 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 482 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 483 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 484 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */ 485 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */ 486 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 487 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */ 488 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */ 489 490 /* UBWC 32-bit RGBA8888 */ 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_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 513 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 514 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 515 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 516 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 517 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 518 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 519 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 520 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 16 YVU411 planar */ 521 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 522 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 523 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 524 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 525 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 526 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 527 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 528 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */ 529 #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */ 530 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 531 532 /* two planes -- one Y, one Cr + Cb interleaved */ 533 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 534 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 535 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 536 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 537 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 538 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 539 540 /* UBWC 8-bit Y/CbCr 4:2:0 */ 541 #define V4L2_PIX_FMT_NV12_UBWC v4l2_fourcc('Q', '1', '2', '8') 542 /* UBWC 10-bit Y/CbCr 4:2:0 */ 543 #define V4L2_PIX_FMT_NV12_TP10_UBWC v4l2_fourcc('Q', '1', '2', 'A') 544 545 /* two non contiguous planes - one Y, one Cr + Cb interleaved */ 546 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 547 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 548 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ 549 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ 550 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */ 551 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */ 552 553 /* three non contiguous planes - Y, Cb, Cr */ 554 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 555 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 556 557 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 558 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 559 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 560 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 561 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 562 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 563 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 564 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 565 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 566 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ 567 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') 568 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') 569 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') 570 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') 571 /* 10bit raw bayer a-law compressed to 8 bits */ 572 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 573 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 574 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 575 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 576 /* 10bit raw bayer DPCM compressed to 8 bits */ 577 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 578 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 579 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 580 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 581 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 582 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 583 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 584 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 585 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 586 /* 10bit raw bayer DPCM compressed to 6 bits */ 587 #define V4L2_PIX_FMT_SBGGR10DPCM6 v4l2_fourcc('b', 'B', 'A', '6') 588 #define V4L2_PIX_FMT_SGBRG10DPCM6 v4l2_fourcc('b', 'G', 'A', '6') 589 #define V4L2_PIX_FMT_SGRBG10DPCM6 v4l2_fourcc('B', 'D', '1', '6') 590 #define V4L2_PIX_FMT_SRGGB10DPCM6 v4l2_fourcc('b', 'R', 'A', '6') 591 592 /* compressed formats */ 593 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 594 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 595 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 596 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 597 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 598 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 599 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 600 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 601 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 602 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 603 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 604 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 605 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 606 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 607 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 608 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */ 609 #define V4L2_PIX_FMT_DIVX_311 v4l2_fourcc('D', 'I', 'V', '3') /* DIVX311 */ 610 #define V4L2_PIX_FMT_DIVX v4l2_fourcc('D', 'I', 'V', 'X') /* DIVX */ 611 #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* for HEVC stream */ 612 #define V4L2_PIX_FMT_HEVC_HYBRID v4l2_fourcc('H', 'V', 'C', 'H') 613 614 /* Vendor-specific formats */ 615 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 616 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 617 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 618 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 619 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 620 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 621 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 622 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 623 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 624 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 625 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 626 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 627 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 628 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 629 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 630 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 631 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 632 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 633 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 634 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 635 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 636 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 637 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 638 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 639 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 640 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 641 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */ 642 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */ 643 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */ 644 645 #define V4L2_PIX_FMT_SDE_ABGR_8888 \ 646 v4l2_fourcc('R', 'A', '2', '4') /* 32-bit ABGR 8:8:8:8 */ 647 #define V4L2_PIX_FMT_SDE_RGBA_8888 \ 648 v4l2_fourcc('A', 'B', '2', '4') /* 32-bit RGBA 8:8:8:8 */ 649 #define V4L2_PIX_FMT_SDE_RGBX_8888 \ 650 v4l2_fourcc('X', 'B', '2', '4') /* 32-bit RGBX 8:8:8:8 */ 651 #define V4L2_PIX_FMT_SDE_XBGR_8888 \ 652 v4l2_fourcc('R', 'X', '2', '4') /* 32-bit XBGR 8:8:8:8 */ 653 #define V4L2_PIX_FMT_SDE_RGBA_5551 \ 654 v4l2_fourcc('R', 'A', '1', '5') /* 16-bit RGBA 5:5:5:1 */ 655 #define V4L2_PIX_FMT_SDE_ABGR_1555 \ 656 v4l2_fourcc('A', 'B', '1', '5') /* 16-bit ABGR 1:5:5:5 */ 657 #define V4L2_PIX_FMT_SDE_BGRA_5551 \ 658 v4l2_fourcc('B', 'A', '1', '5') /* 16-bit BGRA 5:5:5:1 */ 659 #define V4L2_PIX_FMT_SDE_BGRX_5551 \ 660 v4l2_fourcc('B', 'X', '1', '5') /* 16-bit BGRX 5:5:5:1 */ 661 #define V4L2_PIX_FMT_SDE_RGBX_5551 \ 662 v4l2_fourcc('R', 'X', '1', '5') /* 16-bit RGBX 5:5:5:1 */ 663 #define V4L2_PIX_FMT_SDE_XBGR_1555 \ 664 v4l2_fourcc('X', 'B', '1', '5') /* 16-bit XBGR 1:5:5:5 */ 665 #define V4L2_PIX_FMT_SDE_RGBA_4444 \ 666 v4l2_fourcc('R', 'A', '1', '2') /* 16-bit RGBA 4:4:4:4 */ 667 #define V4L2_PIX_FMT_SDE_BGRA_4444 \ 668 v4l2_fourcc('b', 'A', '1', '2') /* 16-bit BGRA 4:4:4:4 */ 669 #define V4L2_PIX_FMT_SDE_ABGR_4444 \ 670 v4l2_fourcc('A', 'B', '1', '2') /* 16-bit ABGR 4:4:4:4 */ 671 #define V4L2_PIX_FMT_SDE_RGBX_4444 \ 672 v4l2_fourcc('R', 'X', '1', '2') /* 16-bit RGBX 4:4:4:4 */ 673 #define V4L2_PIX_FMT_SDE_BGRX_4444 \ 674 v4l2_fourcc('B', 'X', '1', '2') /* 16-bit BGRX 4:4:4:4 */ 675 #define V4L2_PIX_FMT_SDE_XBGR_4444 \ 676 v4l2_fourcc('X', 'B', '1', '2') /* 16-bit XBGR 4:4:4:4 */ 677 #define V4L2_PIX_FMT_SDE_BGR_565 \ 678 v4l2_fourcc('B', 'G', '1', '6') /* 16-bit BGR 5:6:5 */ 679 #define V4L2_PIX_FMT_SDE_Y_CR_CB_GH2V2 \ 680 v4l2_fourcc('Y', 'U', '4', '2') /* Planar YVU 4:2:0 A16 */ 681 #define V4L2_PIX_FMT_SDE_Y_CBCR_H1V2 \ 682 v4l2_fourcc('N', 'H', '1', '6') /* Y/CbCr 4:2:2 */ 683 #define V4L2_PIX_FMT_SDE_Y_CRCB_H1V2 \ 684 v4l2_fourcc('N', 'H', '6', '1') /* Y/CrCb 4:2:2 */ 685 #define V4L2_PIX_FMT_SDE_Y_CBCR_H2V2_VENUS \ 686 v4l2_fourcc('Q', 'N', 'V', '2') /* Y/CbCr 4:2:0 Venus */ 687 #define V4L2_PIX_FMT_SDE_Y_CRCB_H2V2_VENUS \ 688 v4l2_fourcc('Q', 'N', 'V', '1') /* Y/CrCb 4:2:0 Venus */ 689 #define V4L2_PIX_FMT_SDE_RGBX_8888_UBWC \ 690 v4l2_fourcc('Q', 'X', 'B', '4') /* RGBX 8:8:8:8 UBWC */ 691 #define V4L2_PIX_FMT_SDE_RGB_565_UBWC \ 692 v4l2_fourcc('Q', 'R', 'G', '6') /* RGB 5:6:5 UBWC */ 693 #define V4L2_PIX_FMT_SDE_RGBA_1010102 \ 694 v4l2_fourcc('A', 'B', '3', '0') /* RGBA 10:10:10:2 */ 695 #define V4L2_PIX_FMT_SDE_RGBX_1010102 \ 696 v4l2_fourcc('X', 'B', '3', '0') /* RGBX 10:10:10:2 */ 697 #define V4L2_PIX_FMT_SDE_ARGB_2101010 \ 698 v4l2_fourcc('A', 'R', '3', '0') /* ARGB 2:10:10:10 */ 699 #define V4L2_PIX_FMT_SDE_XRGB_2101010 \ 700 v4l2_fourcc('X', 'R', '3', '0') /* XRGB 2:10:10:10 */ 701 #define V4L2_PIX_FMT_SDE_BGRA_1010102 \ 702 v4l2_fourcc('B', 'A', '3', '0') /* BGRA 10:10:10:2 */ 703 #define V4L2_PIX_FMT_SDE_BGRX_1010102 \ 704 v4l2_fourcc('B', 'X', '3', '0') /* BGRX 10:10:10:2 */ 705 #define V4L2_PIX_FMT_SDE_ABGR_2101010 \ 706 v4l2_fourcc('R', 'A', '3', '0') /* ABGR 2:10:10:10 */ 707 #define V4L2_PIX_FMT_SDE_XBGR_2101010 \ 708 v4l2_fourcc('R', 'X', '3', '0') /* XBGR 2:10:10:10 */ 709 #define V4L2_PIX_FMT_SDE_RGBA_1010102_UBWC \ 710 v4l2_fourcc('Q', 'R', 'B', 'A') /* RGBA 10:10:10:2 UBWC */ 711 #define V4L2_PIX_FMT_SDE_RGBX_1010102_UBWC \ 712 v4l2_fourcc('Q', 'X', 'B', 'A') /* RGBX 10:10:10:2 UBWC */ 713 #define V4L2_PIX_FMT_SDE_Y_CBCR_H2V2_TP10 \ 714 v4l2_fourcc('T', 'P', '1', '0') /* Y/CbCr 4:2:0 TP10 */ 715 #define V4L2_PIX_FMT_SDE_Y_CBCR_H2V2_P010 \ 716 v4l2_fourcc('P', '0', '1', '0') /* Y/CbCr 4:2:0 P10 */ 717 718 /* SDR formats - used only for Software Defined Radio devices */ 719 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 720 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 721 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 722 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 723 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 724 725 /* priv field value to indicates that subsequent fields are valid. */ 726 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 727 728 /* Flags */ 729 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 730 731 /* 732 * F O R M A T E N U M E R A T I O N 733 */ 734 struct v4l2_fmtdesc { 735 __u32 index; /* Format number */ 736 __u32 type; /* enum v4l2_buf_type */ 737 __u32 flags; 738 __u8 description[32]; /* Description string */ 739 __u32 pixelformat; /* Format fourcc */ 740 __u32 reserved[4]; 741 }; 742 743 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 744 #define V4L2_FMT_FLAG_EMULATED 0x0002 745 746 #if 1 747 /* Experimental Frame Size and frame rate enumeration */ 748 /* 749 * F R A M E S I Z E E N U M E R A T I O N 750 */ 751 enum v4l2_frmsizetypes { 752 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 753 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 754 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 755 }; 756 757 struct v4l2_frmsize_discrete { 758 __u32 width; /* Frame width [pixel] */ 759 __u32 height; /* Frame height [pixel] */ 760 }; 761 762 struct v4l2_frmsize_stepwise { 763 __u32 min_width; /* Minimum frame width [pixel] */ 764 __u32 max_width; /* Maximum frame width [pixel] */ 765 __u32 step_width; /* Frame width step size [pixel] */ 766 __u32 min_height; /* Minimum frame height [pixel] */ 767 __u32 max_height; /* Maximum frame height [pixel] */ 768 __u32 step_height; /* Frame height step size [pixel] */ 769 }; 770 771 struct v4l2_frmsizeenum { 772 __u32 index; /* Frame size number */ 773 __u32 pixel_format; /* Pixel format */ 774 __u32 type; /* Frame size type the device supports. */ 775 776 union { /* Frame size */ 777 struct v4l2_frmsize_discrete discrete; 778 struct v4l2_frmsize_stepwise stepwise; 779 }; 780 781 __u32 reserved[2]; /* Reserved space for future use */ 782 }; 783 784 /* 785 * F R A M E R A T E E N U M E R A T I O N 786 */ 787 enum v4l2_frmivaltypes { 788 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 789 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 790 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 791 }; 792 793 struct v4l2_frmival_stepwise { 794 struct v4l2_fract min; /* Minimum frame interval [s] */ 795 struct v4l2_fract max; /* Maximum frame interval [s] */ 796 struct v4l2_fract step; /* Frame interval step size [s] */ 797 }; 798 799 struct v4l2_frmivalenum { 800 __u32 index; /* Frame format index */ 801 __u32 pixel_format; /* Pixel format */ 802 __u32 width; /* Frame width */ 803 __u32 height; /* Frame height */ 804 __u32 type; /* Frame interval type the device supports. */ 805 806 union { /* Frame interval */ 807 struct v4l2_fract discrete; 808 struct v4l2_frmival_stepwise stepwise; 809 }; 810 811 __u32 reserved[2]; /* Reserved space for future use */ 812 }; 813 #endif 814 815 /* 816 * T I M E C O D E 817 */ 818 struct v4l2_timecode { 819 __u32 type; 820 __u32 flags; 821 __u8 frames; 822 __u8 seconds; 823 __u8 minutes; 824 __u8 hours; 825 __u8 userbits[4]; 826 }; 827 828 /* Type */ 829 #define V4L2_TC_TYPE_24FPS 1 830 #define V4L2_TC_TYPE_25FPS 2 831 #define V4L2_TC_TYPE_30FPS 3 832 #define V4L2_TC_TYPE_50FPS 4 833 #define V4L2_TC_TYPE_60FPS 5 834 835 /* Flags */ 836 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 837 #define V4L2_TC_FLAG_COLORFRAME 0x0002 838 #define V4L2_TC_USERBITS_field 0x000C 839 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 840 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 841 /* The above is based on SMPTE timecodes */ 842 843 struct v4l2_jpegcompression { 844 int quality; 845 846 int APPn; /* Number of APP segment to be written, 847 * must be 0..15 */ 848 int APP_len; /* Length of data in JPEG APPn segment */ 849 char APP_data[60]; /* Data in the JPEG APPn segment. */ 850 851 int COM_len; /* Length of data in JPEG COM segment */ 852 char COM_data[60]; /* Data in JPEG COM segment */ 853 854 __u32 jpeg_markers; /* Which markers should go into the JPEG 855 * output. Unless you exactly know what 856 * you do, leave them untouched. 857 * Including less markers will make the 858 * resulting code smaller, but there will 859 * be fewer applications which can read it. 860 * The presence of the APP and COM marker 861 * is influenced by APP_len and COM_len 862 * ONLY, not by this property! */ 863 864 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 865 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 866 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 867 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 868 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 869 * always use APP0 */ 870 }; 871 872 /* 873 * M E M O R Y - M A P P I N G B U F F E R S 874 */ 875 struct v4l2_requestbuffers { 876 __u32 count; 877 __u32 type; /* enum v4l2_buf_type */ 878 __u32 memory; /* enum v4l2_memory */ 879 __u32 reserved[2]; 880 }; 881 882 /** 883 * struct v4l2_plane - plane info for multi-planar buffers 884 * @bytesused: number of bytes occupied by data in the plane (payload) 885 * @length: size of this plane (NOT the payload) in bytes 886 * @mem_offset: when memory in the associated struct v4l2_buffer is 887 * V4L2_MEMORY_MMAP, equals the offset from the start of 888 * the device memory for this plane (or is a "cookie" that 889 * should be passed to mmap() called on the video node) 890 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 891 * pointing to this plane 892 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 893 * descriptor associated with this plane 894 * @data_offset: offset in the plane to the start of data; usually 0, 895 * unless there is a header in front of the data 896 * 897 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 898 * with two planes can have one plane for Y, and another for interleaved CbCr 899 * components. Each plane can reside in a separate memory buffer, or even in 900 * a completely separate memory node (e.g. in embedded devices). 901 */ 902 struct v4l2_plane { 903 __u32 bytesused; 904 __u32 length; 905 union { 906 __u32 mem_offset; 907 unsigned long userptr; 908 __s32 fd; 909 } m; 910 __u32 data_offset; 911 __u32 reserved[11]; 912 }; 913 914 /** 915 * struct v4l2_buffer - video buffer info 916 * @index: id number of the buffer 917 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 918 * multiplanar buffers); 919 * @bytesused: number of bytes occupied by data in the buffer (payload); 920 * unused (set to 0) for multiplanar buffers 921 * @flags: buffer informational flags 922 * @field: enum v4l2_field; field order of the image in the buffer 923 * @timestamp: frame timestamp 924 * @timecode: frame timecode 925 * @sequence: sequence count of this frame 926 * @memory: enum v4l2_memory; the method, in which the actual video data is 927 * passed 928 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 929 * offset from the start of the device memory for this plane, 930 * (or a "cookie" that should be passed to mmap() as offset) 931 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 932 * a userspace pointer pointing to this buffer 933 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 934 * a userspace file descriptor associated with this buffer 935 * @planes: for multiplanar buffers; userspace pointer to the array of plane 936 * info structs for this buffer 937 * @length: size in bytes of the buffer (NOT its payload) for single-plane 938 * buffers (when type != *_MPLANE); number of elements in the 939 * planes array for multi-plane buffers 940 * 941 * Contains data exchanged by application and driver using one of the Streaming 942 * I/O methods. 943 */ 944 struct v4l2_buffer { 945 __u32 index; 946 __u32 type; 947 __u32 bytesused; 948 __u32 flags; 949 __u32 field; 950 struct timeval timestamp; 951 struct v4l2_timecode timecode; 952 __u32 sequence; 953 954 /* memory location */ 955 __u32 memory; 956 union { 957 __u32 offset; 958 unsigned long userptr; 959 struct v4l2_plane *planes; 960 __s32 fd; 961 } m; 962 __u32 length; 963 __u32 reserved2; 964 __u32 reserved; 965 }; 966 967 /* Flags for 'flags' field */ 968 /* Buffer is mapped (flag) */ 969 #define V4L2_BUF_FLAG_MAPPED 0x00000001 970 /* Buffer is queued for processing */ 971 #define V4L2_BUF_FLAG_QUEUED 0x00000002 972 /* Buffer is ready */ 973 #define V4L2_BUF_FLAG_DONE 0x00000004 974 /* Image is a keyframe (I-frame) */ 975 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008 976 /* Image is a P-frame */ 977 #define V4L2_BUF_FLAG_PFRAME 0x00000010 978 /* Image is a B-frame */ 979 #define V4L2_BUF_FLAG_BFRAME 0x00000020 980 /* Buffer is ready, but the data contained within is corrupted. */ 981 #define V4L2_BUF_FLAG_ERROR 0x00000040 982 /* timecode field is valid */ 983 #define V4L2_BUF_FLAG_TIMECODE 0x00000100 984 /* Buffer is prepared for queuing */ 985 #define V4L2_BUF_FLAG_PREPARED 0x00000400 986 /* Cache handling flags */ 987 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 988 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 989 /* Timestamp type */ 990 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 991 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 992 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 993 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 994 /* Timestamp sources. */ 995 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 996 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 997 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 998 /* mem2mem encoder/decoder */ 999 #define V4L2_BUF_FLAG_LAST 0x00100000 1000 /* Vendor extensions */ 1001 #define V4L2_QCOM_BUF_FLAG_CODECCONFIG 0x00020000 1002 #define V4L2_QCOM_BUF_FLAG_EOSEQ 0x00040000 1003 #define V4L2_QCOM_BUF_TIMESTAMP_INVALID 0x00080000 1004 #define V4L2_QCOM_BUF_FLAG_DECODEONLY 0x00200000 1005 #define V4L2_QCOM_BUF_DATA_CORRUPT 0x00400000 1006 #define V4L2_QCOM_BUF_DROP_FRAME 0x00800000 1007 #define V4L2_QCOM_BUF_INPUT_UNSUPPORTED 0x01000000 1008 #define V4L2_QCOM_BUF_FLAG_EOS 0x02000000 1009 #define V4L2_QCOM_BUF_FLAG_READONLY 0x04000000 1010 #define V4L2_MSM_VIDC_BUF_START_CODE_NOT_FOUND 0x08000000 1011 #define V4L2_MSM_BUF_FLAG_YUV_601_709_CLAMP 0x10000000 1012 #define V4L2_MSM_BUF_FLAG_MBAFF 0x20000000 1013 #define V4L2_MSM_BUF_FLAG_DEFER 0x40000000 1014 #define V4L2_QCOM_BUF_FLAG_IDRFRAME 0x80000000 1015 1016 /** 1017 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 1018 * 1019 * @index: id number of the buffer 1020 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 1021 * multiplanar buffers); 1022 * @plane: index of the plane to be exported, 0 for single plane queues 1023 * @flags: flags for newly created file, currently only O_CLOEXEC is 1024 * supported, refer to manual of open syscall for more details 1025 * @fd: file descriptor associated with DMABUF (set by driver) 1026 * 1027 * Contains data used for exporting a video buffer as DMABUF file descriptor. 1028 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 1029 * (identical to the cookie used to mmap() the buffer to userspace). All 1030 * reserved fields must be set to zero. The field reserved0 is expected to 1031 * become a structure 'type' allowing an alternative layout of the structure 1032 * content. Therefore this field should not be used for any other extensions. 1033 */ 1034 struct v4l2_exportbuffer { 1035 __u32 type; /* enum v4l2_buf_type */ 1036 __u32 index; 1037 __u32 plane; 1038 __u32 flags; 1039 __s32 fd; 1040 __u32 reserved[11]; 1041 }; 1042 1043 /* 1044 * O V E R L A Y P R E V I E W 1045 */ 1046 struct v4l2_framebuffer { 1047 __u32 capability; 1048 __u32 flags; 1049 /* FIXME: in theory we should pass something like PCI device + memory 1050 * region + offset instead of some physical address */ 1051 void *base; 1052 struct { 1053 __u32 width; 1054 __u32 height; 1055 __u32 pixelformat; 1056 __u32 field; /* enum v4l2_field */ 1057 __u32 bytesperline; /* for padding, zero if unused */ 1058 __u32 sizeimage; 1059 __u32 colorspace; /* enum v4l2_colorspace */ 1060 __u32 priv; /* reserved field, set to 0 */ 1061 } fmt; 1062 }; 1063 /* Flags for the 'capability' field. Read only */ 1064 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 1065 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 1066 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 1067 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 1068 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 1069 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 1070 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 1071 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 1072 /* Flags for the 'flags' field. */ 1073 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 1074 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 1075 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 1076 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 1077 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 1078 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 1079 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 1080 1081 struct v4l2_clip { 1082 struct v4l2_rect c; 1083 struct v4l2_clip *next; 1084 }; 1085 1086 struct v4l2_window { 1087 struct v4l2_rect w; 1088 __u32 field; /* enum v4l2_field */ 1089 __u32 chromakey; 1090 struct v4l2_clip *clips; 1091 __u32 clipcount; 1092 void *bitmap; 1093 __u8 global_alpha; 1094 }; 1095 1096 /* 1097 * C A P T U R E P A R A M E T E R S 1098 */ 1099 struct v4l2_captureparm { 1100 __u32 capability; /* Supported modes */ 1101 __u32 capturemode; /* Current mode */ 1102 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1103 __u32 extendedmode; /* Driver-specific extensions */ 1104 __u32 readbuffers; /* # of buffers for read */ 1105 __u32 reserved[4]; 1106 }; 1107 1108 /* Flags for 'capability' and 'capturemode' fields */ 1109 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 1110 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 1111 #define V4L2_CAP_QCOM_FRAMESKIP 0x2000 /* frame skipping is supported */ 1112 1113 struct v4l2_qcom_frameskip { 1114 __u64 maxframeinterval; 1115 __u8 fpsvariance; 1116 }; 1117 1118 struct v4l2_outputparm { 1119 __u32 capability; /* Supported modes */ 1120 __u32 outputmode; /* Current mode */ 1121 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1122 __u32 extendedmode; /* Driver-specific extensions */ 1123 __u32 writebuffers; /* # of buffers for write */ 1124 __u32 reserved[4]; 1125 }; 1126 1127 /* 1128 * I N P U T I M A G E C R O P P I N G 1129 */ 1130 struct v4l2_cropcap { 1131 __u32 type; /* enum v4l2_buf_type */ 1132 struct v4l2_rect bounds; 1133 struct v4l2_rect defrect; 1134 struct v4l2_fract pixelaspect; 1135 }; 1136 1137 struct v4l2_crop { 1138 __u32 type; /* enum v4l2_buf_type */ 1139 struct v4l2_rect c; 1140 }; 1141 1142 /** 1143 * struct v4l2_selection - selection info 1144 * @type: buffer type (do not use *_MPLANE types) 1145 * @target: Selection target, used to choose one of possible rectangles; 1146 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 1147 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 1148 * @r: coordinates of selection window 1149 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 1150 * 1151 * Hardware may use multiple helper windows to process a video stream. 1152 * The structure is used to exchange this selection areas between 1153 * an application and a driver. 1154 */ 1155 struct v4l2_selection { 1156 __u32 type; 1157 __u32 target; 1158 __u32 flags; 1159 struct v4l2_rect r; 1160 __u32 reserved[9]; 1161 }; 1162 1163 1164 /* 1165 * A N A L O G V I D E O S T A N D A R D 1166 */ 1167 1168 typedef __u64 v4l2_std_id; 1169 1170 /* one bit for each */ 1171 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 1172 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 1173 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 1174 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 1175 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 1176 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 1177 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 1178 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 1179 1180 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 1181 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 1182 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 1183 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 1184 1185 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 1186 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 1187 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 1188 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 1189 1190 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 1191 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 1192 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 1193 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 1194 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 1195 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 1196 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 1197 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 1198 1199 /* ATSC/HDTV */ 1200 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 1201 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 1202 1203 /* FIXME: 1204 Although std_id is 64 bits, there is an issue on PPC32 architecture that 1205 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 1206 this value to 32 bits. 1207 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 1208 it should work fine. However, if needed to add more than two standards, 1209 v4l2-common.c should be fixed. 1210 */ 1211 1212 /* 1213 * Some macros to merge video standards in order to make live easier for the 1214 * drivers and V4L2 applications 1215 */ 1216 1217 /* 1218 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 1219 * Missing here. 1220 */ 1221 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 1222 V4L2_STD_NTSC_M_JP |\ 1223 V4L2_STD_NTSC_M_KR) 1224 /* Secam macros */ 1225 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 1226 V4L2_STD_SECAM_K |\ 1227 V4L2_STD_SECAM_K1) 1228 /* All Secam Standards */ 1229 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 1230 V4L2_STD_SECAM_G |\ 1231 V4L2_STD_SECAM_H |\ 1232 V4L2_STD_SECAM_DK |\ 1233 V4L2_STD_SECAM_L |\ 1234 V4L2_STD_SECAM_LC) 1235 /* PAL macros */ 1236 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 1237 V4L2_STD_PAL_B1 |\ 1238 V4L2_STD_PAL_G) 1239 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1240 V4L2_STD_PAL_D1 |\ 1241 V4L2_STD_PAL_K) 1242 /* 1243 * "Common" PAL - This macro is there to be compatible with the old 1244 * V4L1 concept of "PAL": /BGDKHI. 1245 * Several PAL standards are missing here: /M, /N and /Nc 1246 */ 1247 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1248 V4L2_STD_PAL_DK |\ 1249 V4L2_STD_PAL_H |\ 1250 V4L2_STD_PAL_I) 1251 /* Chroma "agnostic" standards */ 1252 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 1253 V4L2_STD_PAL_B1 |\ 1254 V4L2_STD_SECAM_B) 1255 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 1256 V4L2_STD_SECAM_G) 1257 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 1258 V4L2_STD_SECAM_H) 1259 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1260 V4L2_STD_SECAM_LC) 1261 #define V4L2_STD_GH (V4L2_STD_G |\ 1262 V4L2_STD_H) 1263 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1264 V4L2_STD_SECAM_DK) 1265 #define V4L2_STD_BG (V4L2_STD_B |\ 1266 V4L2_STD_G) 1267 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1268 V4L2_STD_PAL_N |\ 1269 V4L2_STD_PAL_Nc |\ 1270 V4L2_STD_NTSC) 1271 1272 /* Standards where MTS/BTSC stereo could be found */ 1273 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1274 V4L2_STD_PAL_M |\ 1275 V4L2_STD_PAL_N |\ 1276 V4L2_STD_PAL_Nc) 1277 1278 /* Standards for Countries with 60Hz Line frequency */ 1279 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1280 V4L2_STD_PAL_60 |\ 1281 V4L2_STD_NTSC |\ 1282 V4L2_STD_NTSC_443) 1283 /* Standards for Countries with 50Hz Line frequency */ 1284 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1285 V4L2_STD_PAL_N |\ 1286 V4L2_STD_PAL_Nc |\ 1287 V4L2_STD_SECAM) 1288 1289 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1290 V4L2_STD_ATSC_16_VSB) 1291 /* Macros with none and all analog standards */ 1292 #define V4L2_STD_UNKNOWN 0 1293 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1294 V4L2_STD_625_50) 1295 1296 struct v4l2_standard { 1297 __u32 index; 1298 v4l2_std_id id; 1299 __u8 name[24]; 1300 struct v4l2_fract frameperiod; /* Frames, not fields */ 1301 __u32 framelines; 1302 __u32 reserved[4]; 1303 }; 1304 1305 /* 1306 * D V B T T I M I N G S 1307 */ 1308 1309 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1310 * @width: total width of the active video in pixels 1311 * @height: total height of the active video in lines 1312 * @interlaced: Interlaced or progressive 1313 * @polarities: Positive or negative polarities 1314 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1315 * @hfrontporch:Horizontal front porch in pixels 1316 * @hsync: Horizontal Sync length in pixels 1317 * @hbackporch: Horizontal back porch in pixels 1318 * @vfrontporch:Vertical front porch in lines 1319 * @vsync: Vertical Sync length in lines 1320 * @vbackporch: Vertical back porch in lines 1321 * @il_vfrontporch:Vertical front porch for the even field 1322 * (aka field 2) of interlaced field formats 1323 * @il_vsync: Vertical Sync length for the even field 1324 * (aka field 2) of interlaced field formats 1325 * @il_vbackporch:Vertical back porch for the even field 1326 * (aka field 2) of interlaced field formats 1327 * @standards: Standards the timing belongs to 1328 * @flags: Flags 1329 * @reserved: Reserved fields, must be zeroed. 1330 * 1331 * A note regarding vertical interlaced timings: height refers to the total 1332 * height of the active video frame (= two fields). The blanking timings refer 1333 * to the blanking of each field. So the height of the total frame is 1334 * calculated as follows: 1335 * 1336 * tot_height = height + vfrontporch + vsync + vbackporch + 1337 * il_vfrontporch + il_vsync + il_vbackporch 1338 * 1339 * The active height of each field is height / 2. 1340 */ 1341 struct v4l2_bt_timings { 1342 __u32 width; 1343 __u32 height; 1344 __u32 interlaced; 1345 __u32 polarities; 1346 __u64 pixelclock; 1347 __u32 hfrontporch; 1348 __u32 hsync; 1349 __u32 hbackporch; 1350 __u32 vfrontporch; 1351 __u32 vsync; 1352 __u32 vbackporch; 1353 __u32 il_vfrontporch; 1354 __u32 il_vsync; 1355 __u32 il_vbackporch; 1356 __u32 standards; 1357 __u32 flags; 1358 __u32 reserved[14]; 1359 } __attribute__ ((packed)); 1360 1361 /* Interlaced or progressive format */ 1362 #define V4L2_DV_PROGRESSIVE 0 1363 #define V4L2_DV_INTERLACED 1 1364 1365 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1366 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1367 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1368 1369 /* Timings standards */ 1370 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1371 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1372 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1373 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1374 1375 /* Flags */ 1376 1377 /* CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1378 GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1379 intervals are reduced, allowing a higher resolution over the same 1380 bandwidth. This is a read-only flag. */ 1381 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1382 /* CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1383 of six. These formats can be optionally played at 1 / 1.001 speed. 1384 This is a read-only flag. */ 1385 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1386 /* CEA-861 specific: only valid for video transmitters, the flag is cleared 1387 by receivers. 1388 If the framerate of the format is a multiple of six, then the pixelclock 1389 used to set up the transmitter is divided by 1.001 to make it compatible 1390 with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1391 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1392 such frequencies, then the flag will also be cleared. */ 1393 #define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1394 /* Specific to interlaced formats: if set, then field 1 is really one half-line 1395 longer and field 2 is really one half-line shorter, so each field has 1396 exactly the same number of half-lines. Whether half-lines can be detected 1397 or used depends on the hardware. */ 1398 #define V4L2_DV_FL_HALF_LINE (1 << 3) 1399 /* If set, then this is a Consumer Electronics (CE) video format. Such formats 1400 * differ from other formats (commonly called IT formats) in that if RGB 1401 * encoding is used then by default the RGB values use limited range (i.e. 1402 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861 1403 * except for the 640x480 format are CE formats. */ 1404 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4) 1405 1406 /* A few useful defines to calculate the total blanking and frame sizes */ 1407 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1408 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1409 #define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1410 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1411 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1412 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1413 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) 1414 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1415 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1416 1417 /** struct v4l2_dv_timings - DV timings 1418 * @type: the type of the timings 1419 * @bt: BT656/1120 timings 1420 */ 1421 struct v4l2_dv_timings { 1422 __u32 type; 1423 union { 1424 struct v4l2_bt_timings bt; 1425 __u32 reserved[32]; 1426 }; 1427 } __attribute__ ((packed)); 1428 1429 /* Values for the type field */ 1430 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1431 1432 1433 /** struct v4l2_enum_dv_timings - DV timings enumeration 1434 * @index: enumeration index 1435 * @pad: the pad number for which to enumerate timings (used with 1436 * v4l-subdev nodes only) 1437 * @reserved: must be zeroed 1438 * @timings: the timings for the given index 1439 */ 1440 struct v4l2_enum_dv_timings { 1441 __u32 index; 1442 __u32 pad; 1443 __u32 reserved[2]; 1444 struct v4l2_dv_timings timings; 1445 }; 1446 1447 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1448 * @min_width: width in pixels 1449 * @max_width: width in pixels 1450 * @min_height: height in lines 1451 * @max_height: height in lines 1452 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1453 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1454 * @standards: Supported standards 1455 * @capabilities: Supported capabilities 1456 * @reserved: Must be zeroed 1457 */ 1458 struct v4l2_bt_timings_cap { 1459 __u32 min_width; 1460 __u32 max_width; 1461 __u32 min_height; 1462 __u32 max_height; 1463 __u64 min_pixelclock; 1464 __u64 max_pixelclock; 1465 __u32 standards; 1466 __u32 capabilities; 1467 __u32 reserved[16]; 1468 } __attribute__ ((packed)); 1469 1470 /* Supports interlaced formats */ 1471 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1472 /* Supports progressive formats */ 1473 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1474 /* Supports CVT/GTF reduced blanking */ 1475 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1476 /* Supports custom formats */ 1477 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1478 1479 /** struct v4l2_dv_timings_cap - DV timings capabilities 1480 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1481 * @pad: the pad number for which to query capabilities (used with 1482 * v4l-subdev nodes only) 1483 * @bt: the BT656/1120 timings capabilities 1484 */ 1485 struct v4l2_dv_timings_cap { 1486 __u32 type; 1487 __u32 pad; 1488 __u32 reserved[2]; 1489 union { 1490 struct v4l2_bt_timings_cap bt; 1491 __u32 raw_data[32]; 1492 }; 1493 }; 1494 1495 1496 /* 1497 * V I D E O I N P U T S 1498 */ 1499 struct v4l2_input { 1500 __u32 index; /* Which input */ 1501 __u8 name[32]; /* Label */ 1502 __u32 type; /* Type of input */ 1503 __u32 audioset; /* Associated audios (bitfield) */ 1504 __u32 tuner; /* enum v4l2_tuner_type */ 1505 v4l2_std_id std; 1506 __u32 status; 1507 __u32 capabilities; 1508 __u32 reserved[3]; 1509 }; 1510 1511 /* Values for the 'type' field */ 1512 #define V4L2_INPUT_TYPE_TUNER 1 1513 #define V4L2_INPUT_TYPE_CAMERA 2 1514 1515 /* field 'status' - general */ 1516 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1517 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1518 #define V4L2_IN_ST_NO_COLOR 0x00000004 1519 1520 /* field 'status' - sensor orientation */ 1521 /* If sensor is mounted upside down set both bits */ 1522 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1523 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1524 1525 /* field 'status' - analog */ 1526 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1527 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1528 1529 /* field 'status' - digital */ 1530 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1531 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1532 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1533 1534 /* field 'status' - VCR and set-top box */ 1535 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1536 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1537 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1538 1539 /* capabilities flags */ 1540 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1541 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1542 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1543 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1544 1545 /* 1546 * V I D E O O U T P U T S 1547 */ 1548 struct v4l2_output { 1549 __u32 index; /* Which output */ 1550 __u8 name[32]; /* Label */ 1551 __u32 type; /* Type of output */ 1552 __u32 audioset; /* Associated audios (bitfield) */ 1553 __u32 modulator; /* Associated modulator */ 1554 v4l2_std_id std; 1555 __u32 capabilities; 1556 __u32 reserved[3]; 1557 }; 1558 /* Values for the 'type' field */ 1559 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1560 #define V4L2_OUTPUT_TYPE_ANALOG 2 1561 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1562 1563 /* capabilities flags */ 1564 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1565 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1566 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1567 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1568 1569 /* 1570 * C O N T R O L S 1571 */ 1572 struct v4l2_control { 1573 __u32 id; 1574 __s32 value; 1575 }; 1576 1577 struct v4l2_ext_control { 1578 __u32 id; 1579 __u32 size; 1580 __u32 reserved2[1]; 1581 union { 1582 __s32 value; 1583 __s64 value64; 1584 char *string; 1585 __u8 *p_u8; 1586 __u16 *p_u16; 1587 __u32 *p_u32; 1588 void *ptr; 1589 }; 1590 } __attribute__ ((packed)); 1591 1592 struct v4l2_ext_controls { 1593 __u32 ctrl_class; 1594 __u32 count; 1595 __u32 error_idx; 1596 __u32 reserved[2]; 1597 struct v4l2_ext_control *controls; 1598 }; 1599 1600 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1601 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1602 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1603 #define V4L2_CTRL_MAX_DIMS (4) 1604 1605 enum v4l2_ctrl_type { 1606 V4L2_CTRL_TYPE_INTEGER = 1, 1607 V4L2_CTRL_TYPE_BOOLEAN = 2, 1608 V4L2_CTRL_TYPE_MENU = 3, 1609 V4L2_CTRL_TYPE_BUTTON = 4, 1610 V4L2_CTRL_TYPE_INTEGER64 = 5, 1611 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1612 V4L2_CTRL_TYPE_STRING = 7, 1613 V4L2_CTRL_TYPE_BITMASK = 8, 1614 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1615 1616 /* Compound types are >= 0x0100 */ 1617 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1618 V4L2_CTRL_TYPE_U8 = 0x0100, 1619 V4L2_CTRL_TYPE_U16 = 0x0101, 1620 V4L2_CTRL_TYPE_U32 = 0x0102, 1621 }; 1622 1623 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1624 struct v4l2_queryctrl { 1625 __u32 id; 1626 __u32 type; /* enum v4l2_ctrl_type */ 1627 __u8 name[32]; /* Whatever */ 1628 __s32 minimum; /* Note signedness */ 1629 __s32 maximum; 1630 __s32 step; 1631 __s32 default_value; 1632 __u32 flags; 1633 __u32 reserved[2]; 1634 }; 1635 1636 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1637 struct v4l2_query_ext_ctrl { 1638 __u32 id; 1639 __u32 type; 1640 char name[32]; 1641 __s64 minimum; 1642 __s64 maximum; 1643 __u64 step; 1644 __s64 default_value; 1645 __u32 flags; 1646 __u32 elem_size; 1647 __u32 elems; 1648 __u32 nr_of_dims; 1649 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1650 __u32 reserved[32]; 1651 }; 1652 1653 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1654 struct v4l2_querymenu { 1655 __u32 id; 1656 __u32 index; 1657 union { 1658 __u8 name[32]; /* Whatever */ 1659 __s64 value; 1660 }; 1661 __u32 reserved; 1662 } __attribute__ ((packed)); 1663 1664 /* Control flags */ 1665 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1666 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1667 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1668 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1669 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1670 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1671 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1672 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1673 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1674 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 1675 1676 /* Query flags, to be ORed with the control ID */ 1677 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1678 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1679 1680 /* User-class control IDs defined by V4L2 */ 1681 #define V4L2_CID_MAX_CTRLS 1024 1682 /* IDs reserved for driver specific controls */ 1683 #define V4L2_CID_PRIVATE_BASE 0x08000000 1684 1685 1686 /* 1687 * T U N I N G 1688 */ 1689 struct v4l2_tuner { 1690 __u32 index; 1691 __u8 name[32]; 1692 __u32 type; /* enum v4l2_tuner_type */ 1693 __u32 capability; 1694 __u32 rangelow; 1695 __u32 rangehigh; 1696 __u32 rxsubchans; 1697 __u32 audmode; 1698 __s32 signal; 1699 __s32 afc; 1700 __u32 reserved[4]; 1701 }; 1702 1703 struct v4l2_modulator { 1704 __u32 index; 1705 __u8 name[32]; 1706 __u32 capability; 1707 __u32 rangelow; 1708 __u32 rangehigh; 1709 __u32 txsubchans; 1710 __u32 type; /* enum v4l2_tuner_type */ 1711 __u32 reserved[3]; 1712 }; 1713 1714 /* Flags for the 'capability' field */ 1715 #define V4L2_TUNER_CAP_LOW 0x0001 1716 #define V4L2_TUNER_CAP_NORM 0x0002 1717 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1718 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1719 #define V4L2_TUNER_CAP_STEREO 0x0010 1720 #define V4L2_TUNER_CAP_LANG2 0x0020 1721 #define V4L2_TUNER_CAP_SAP 0x0020 1722 #define V4L2_TUNER_CAP_LANG1 0x0040 1723 #define V4L2_TUNER_CAP_RDS 0x0080 1724 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1725 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1726 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1727 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1728 #define V4L2_TUNER_CAP_1HZ 0x1000 1729 1730 /* Flags for the 'rxsubchans' field */ 1731 #define V4L2_TUNER_SUB_MONO 0x0001 1732 #define V4L2_TUNER_SUB_STEREO 0x0002 1733 #define V4L2_TUNER_SUB_LANG2 0x0004 1734 #define V4L2_TUNER_SUB_SAP 0x0004 1735 #define V4L2_TUNER_SUB_LANG1 0x0008 1736 #define V4L2_TUNER_SUB_RDS 0x0010 1737 1738 /* Values for the 'audmode' field */ 1739 #define V4L2_TUNER_MODE_MONO 0x0000 1740 #define V4L2_TUNER_MODE_STEREO 0x0001 1741 #define V4L2_TUNER_MODE_LANG2 0x0002 1742 #define V4L2_TUNER_MODE_SAP 0x0002 1743 #define V4L2_TUNER_MODE_LANG1 0x0003 1744 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1745 1746 struct v4l2_frequency { 1747 __u32 tuner; 1748 __u32 type; /* enum v4l2_tuner_type */ 1749 __u32 frequency; 1750 __u32 reserved[8]; 1751 }; 1752 1753 #define V4L2_BAND_MODULATION_VSB (1 << 1) 1754 #define V4L2_BAND_MODULATION_FM (1 << 2) 1755 #define V4L2_BAND_MODULATION_AM (1 << 3) 1756 1757 struct v4l2_frequency_band { 1758 __u32 tuner; 1759 __u32 type; /* enum v4l2_tuner_type */ 1760 __u32 index; 1761 __u32 capability; 1762 __u32 rangelow; 1763 __u32 rangehigh; 1764 __u32 modulation; 1765 __u32 reserved[9]; 1766 }; 1767 1768 struct v4l2_hw_freq_seek { 1769 __u32 tuner; 1770 __u32 type; /* enum v4l2_tuner_type */ 1771 __u32 seek_upward; 1772 __u32 wrap_around; 1773 __u32 spacing; 1774 __u32 rangelow; 1775 __u32 rangehigh; 1776 __u32 reserved[5]; 1777 }; 1778 1779 /* 1780 * R D S 1781 */ 1782 1783 struct v4l2_rds_data { 1784 __u8 lsb; 1785 __u8 msb; 1786 __u8 block; 1787 } __attribute__ ((packed)); 1788 1789 #define V4L2_RDS_BLOCK_MSK 0x7 1790 #define V4L2_RDS_BLOCK_A 0 1791 #define V4L2_RDS_BLOCK_B 1 1792 #define V4L2_RDS_BLOCK_C 2 1793 #define V4L2_RDS_BLOCK_D 3 1794 #define V4L2_RDS_BLOCK_C_ALT 4 1795 #define V4L2_RDS_BLOCK_INVALID 7 1796 1797 #define V4L2_RDS_BLOCK_CORRECTED 0x40 1798 #define V4L2_RDS_BLOCK_ERROR 0x80 1799 1800 /* 1801 * A U D I O 1802 */ 1803 struct v4l2_audio { 1804 __u32 index; 1805 __u8 name[32]; 1806 __u32 capability; 1807 __u32 mode; 1808 __u32 reserved[2]; 1809 }; 1810 1811 /* Flags for the 'capability' field */ 1812 #define V4L2_AUDCAP_STEREO 0x00001 1813 #define V4L2_AUDCAP_AVL 0x00002 1814 1815 /* Flags for the 'mode' field */ 1816 #define V4L2_AUDMODE_AVL 0x00001 1817 1818 struct v4l2_audioout { 1819 __u32 index; 1820 __u8 name[32]; 1821 __u32 capability; 1822 __u32 mode; 1823 __u32 reserved[2]; 1824 }; 1825 1826 /* 1827 * M P E G S E R V I C E S 1828 * 1829 * NOTE: EXPERIMENTAL API 1830 */ 1831 #if 1 1832 #define V4L2_ENC_IDX_FRAME_I (0) 1833 #define V4L2_ENC_IDX_FRAME_P (1) 1834 #define V4L2_ENC_IDX_FRAME_B (2) 1835 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 1836 1837 struct v4l2_enc_idx_entry { 1838 __u64 offset; 1839 __u64 pts; 1840 __u32 length; 1841 __u32 flags; 1842 __u32 reserved[2]; 1843 }; 1844 1845 #define V4L2_ENC_IDX_ENTRIES (64) 1846 struct v4l2_enc_idx { 1847 __u32 entries; 1848 __u32 entries_cap; 1849 __u32 reserved[4]; 1850 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 1851 }; 1852 1853 1854 #define V4L2_ENC_CMD_START (0) 1855 #define V4L2_ENC_CMD_STOP (1) 1856 #define V4L2_ENC_CMD_PAUSE (2) 1857 #define V4L2_ENC_CMD_RESUME (3) 1858 #define V4L2_ENC_QCOM_CMD_FLUSH (4) 1859 1860 /* Flags for V4L2_ENC_CMD_STOP */ 1861 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 1862 1863 struct v4l2_encoder_cmd { 1864 __u32 cmd; 1865 __u32 flags; 1866 union { 1867 struct { 1868 __u32 data[8]; 1869 } raw; 1870 }; 1871 }; 1872 1873 /* Decoder commands */ 1874 #define V4L2_DEC_CMD_START (0) 1875 #define V4L2_DEC_CMD_STOP (1) 1876 #define V4L2_DEC_CMD_PAUSE (2) 1877 #define V4L2_DEC_CMD_RESUME (3) 1878 #define V4L2_DEC_QCOM_CMD_FLUSH (4) 1879 #define V4L2_DEC_QCOM_CMD_RECONFIG_HINT (5) 1880 1881 /* Flags for V4L2_DEC_CMD_START */ 1882 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 1883 1884 /* Flags for V4L2_DEC_CMD_PAUSE */ 1885 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 1886 1887 /* Flags for V4L2_DEC_CMD_STOP */ 1888 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 1889 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 1890 1891 /* Flags for V4L2_DEC_QCOM_CMD_FLUSH */ 1892 #define V4L2_DEC_QCOM_CMD_FLUSH_OUTPUT (1 << 0) 1893 #define V4L2_DEC_QCOM_CMD_FLUSH_CAPTURE (1 << 1) 1894 1895 #define V4L2_QCOM_CMD_FLUSH_OUTPUT (1 << 0) 1896 #define V4L2_QCOM_CMD_FLUSH_CAPTURE (1 << 1) 1897 1898 /* Play format requirements (returned by the driver): */ 1899 1900 /* The decoder has no special format requirements */ 1901 #define V4L2_DEC_START_FMT_NONE (0) 1902 /* The decoder requires full GOPs */ 1903 #define V4L2_DEC_START_FMT_GOP (1) 1904 1905 /* The structure must be zeroed before use by the application 1906 This ensures it can be extended safely in the future. */ 1907 struct v4l2_decoder_cmd { 1908 __u32 cmd; 1909 __u32 flags; 1910 union { 1911 struct { 1912 __u64 pts; 1913 } stop; 1914 1915 struct { 1916 /* 0 or 1000 specifies normal speed, 1917 1 specifies forward single stepping, 1918 -1 specifies backward single stepping, 1919 >1: playback at speed/1000 of the normal speed, 1920 <-1: reverse playback at (-speed/1000) of the normal speed. */ 1921 __s32 speed; 1922 __u32 format; 1923 } start; 1924 1925 struct { 1926 __u32 data[16]; 1927 } raw; 1928 }; 1929 }; 1930 #endif 1931 1932 1933 /* 1934 * D A T A S E R V I C E S ( V B I ) 1935 * 1936 * Data services API by Michael Schimek 1937 */ 1938 1939 /* Raw VBI */ 1940 struct v4l2_vbi_format { 1941 __u32 sampling_rate; /* in 1 Hz */ 1942 __u32 offset; 1943 __u32 samples_per_line; 1944 __u32 sample_format; /* V4L2_PIX_FMT_* */ 1945 __s32 start[2]; 1946 __u32 count[2]; 1947 __u32 flags; /* V4L2_VBI_* */ 1948 __u32 reserved[2]; /* must be zero */ 1949 }; 1950 1951 /* VBI flags */ 1952 #define V4L2_VBI_UNSYNC (1 << 0) 1953 #define V4L2_VBI_INTERLACED (1 << 1) 1954 1955 /* ITU-R start lines for each field */ 1956 #define V4L2_VBI_ITU_525_F1_START (1) 1957 #define V4L2_VBI_ITU_525_F2_START (264) 1958 #define V4L2_VBI_ITU_625_F1_START (1) 1959 #define V4L2_VBI_ITU_625_F2_START (314) 1960 1961 /* Sliced VBI 1962 * 1963 * This implements is a proposal V4L2 API to allow SLICED VBI 1964 * required for some hardware encoders. It should change without 1965 * notice in the definitive implementation. 1966 */ 1967 1968 struct v4l2_sliced_vbi_format { 1969 __u16 service_set; 1970 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1971 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1972 (equals frame lines 313-336 for 625 line video 1973 standards, 263-286 for 525 line standards) */ 1974 __u16 service_lines[2][24]; 1975 __u32 io_size; 1976 __u32 reserved[2]; /* must be zero */ 1977 }; 1978 1979 /* Teletext World System Teletext 1980 (WST), defined on ITU-R BT.653-2 */ 1981 #define V4L2_SLICED_TELETEXT_B (0x0001) 1982 /* Video Program System, defined on ETS 300 231*/ 1983 #define V4L2_SLICED_VPS (0x0400) 1984 /* Closed Caption, defined on EIA-608 */ 1985 #define V4L2_SLICED_CAPTION_525 (0x1000) 1986 /* Wide Screen System, defined on ITU-R BT1119.1 */ 1987 #define V4L2_SLICED_WSS_625 (0x4000) 1988 1989 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 1990 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 1991 1992 struct v4l2_sliced_vbi_cap { 1993 __u16 service_set; 1994 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1995 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1996 (equals frame lines 313-336 for 625 line video 1997 standards, 263-286 for 525 line standards) */ 1998 __u16 service_lines[2][24]; 1999 __u32 type; /* enum v4l2_buf_type */ 2000 __u32 reserved[3]; /* must be 0 */ 2001 }; 2002 2003 struct v4l2_sliced_vbi_data { 2004 __u32 id; 2005 __u32 field; /* 0: first field, 1: second field */ 2006 __u32 line; /* 1-23 */ 2007 __u32 reserved; /* must be 0 */ 2008 __u8 data[48]; 2009 }; 2010 2011 /* 2012 * Sliced VBI data inserted into MPEG Streams 2013 */ 2014 2015 /* 2016 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 2017 * 2018 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 2019 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 2020 * data 2021 * 2022 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 2023 * definitions are not included here. See the MPEG-2 specifications for details 2024 * on these headers. 2025 */ 2026 2027 /* Line type IDs */ 2028 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 2029 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 2030 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 2031 #define V4L2_MPEG_VBI_IVTV_VPS (7) 2032 2033 struct v4l2_mpeg_vbi_itv0_line { 2034 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 2035 __u8 data[42]; /* Sliced VBI data for the line */ 2036 } __attribute__ ((packed)); 2037 2038 struct v4l2_mpeg_vbi_itv0 { 2039 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 2040 struct v4l2_mpeg_vbi_itv0_line line[35]; 2041 } __attribute__ ((packed)); 2042 2043 struct v4l2_mpeg_vbi_ITV0 { 2044 struct v4l2_mpeg_vbi_itv0_line line[36]; 2045 } __attribute__ ((packed)); 2046 2047 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 2048 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 2049 2050 struct v4l2_mpeg_vbi_fmt_ivtv { 2051 __u8 magic[4]; 2052 union { 2053 struct v4l2_mpeg_vbi_itv0 itv0; 2054 struct v4l2_mpeg_vbi_ITV0 ITV0; 2055 }; 2056 } __attribute__ ((packed)); 2057 2058 /* 2059 * A G G R E G A T E S T R U C T U R E S 2060 */ 2061 2062 /** 2063 * struct v4l2_plane_pix_format - additional, per-plane format definition 2064 * @sizeimage: maximum size in bytes required for data, for which 2065 * this plane will be used 2066 * @bytesperline: distance in bytes between the leftmost pixels in two 2067 * adjacent lines 2068 */ 2069 struct v4l2_plane_pix_format { 2070 __u32 sizeimage; 2071 __u32 bytesperline; 2072 __u16 reserved[6]; 2073 } __attribute__ ((packed)); 2074 2075 /** 2076 * struct v4l2_pix_format_mplane - multiplanar format definition 2077 * @width: image width in pixels 2078 * @height: image height in pixels 2079 * @pixelformat: little endian four character code (fourcc) 2080 * @field: enum v4l2_field; field order (for interlaced video) 2081 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 2082 * @plane_fmt: per-plane information 2083 * @num_planes: number of planes for this format 2084 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 2085 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding 2086 * @quantization: enum v4l2_quantization, colorspace quantization 2087 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function 2088 */ 2089 struct v4l2_pix_format_mplane { 2090 __u32 width; 2091 __u32 height; 2092 __u32 pixelformat; 2093 __u32 field; 2094 __u32 colorspace; 2095 2096 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 2097 __u8 num_planes; 2098 __u8 flags; 2099 __u8 ycbcr_enc; 2100 __u8 quantization; 2101 __u8 xfer_func; 2102 __u8 reserved[7]; 2103 } __attribute__ ((packed)); 2104 2105 /** 2106 * struct v4l2_sdr_format - SDR format definition 2107 * @pixelformat: little endian four character code (fourcc) 2108 * @buffersize: maximum size in bytes required for data 2109 */ 2110 struct v4l2_sdr_format { 2111 __u32 pixelformat; 2112 __u32 buffersize; 2113 __u8 reserved[24]; 2114 } __attribute__ ((packed)); 2115 2116 /** 2117 * struct v4l2_format - stream data format 2118 * @type: enum v4l2_buf_type; type of the data stream 2119 * @pix: definition of an image format 2120 * @pix_mp: definition of a multiplanar image format 2121 * @win: definition of an overlaid image 2122 * @vbi: raw VBI capture or output parameters 2123 * @sliced: sliced VBI capture or output parameters 2124 * @raw_data: placeholder for future extensions and custom formats 2125 */ 2126 struct v4l2_format { 2127 __u32 type; 2128 union { 2129 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 2130 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 2131 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 2132 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 2133 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 2134 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 2135 __u8 raw_data[200]; /* user-defined */ 2136 } fmt; 2137 }; 2138 2139 /* Stream type-dependent parameters 2140 */ 2141 struct v4l2_streamparm { 2142 __u32 type; /* enum v4l2_buf_type */ 2143 union { 2144 struct v4l2_captureparm capture; 2145 struct v4l2_outputparm output; 2146 __u8 raw_data[200]; /* user-defined */ 2147 } parm; 2148 }; 2149 2150 /* 2151 * E V E N T S 2152 */ 2153 2154 #define V4L2_EVENT_ALL 0 2155 #define V4L2_EVENT_VSYNC 1 2156 #define V4L2_EVENT_EOS 2 2157 #define V4L2_EVENT_CTRL 3 2158 #define V4L2_EVENT_FRAME_SYNC 4 2159 #define V4L2_EVENT_SOURCE_CHANGE 5 2160 #define V4L2_EVENT_MOTION_DET 6 2161 #define V4L2_EVENT_PRIVATE_START 0x08000000 2162 2163 #define V4L2_EVENT_BITDEPTH_FLAG 0x1 2164 #define V4L2_EVENT_PICSTRUCT_FLAG 0x2 2165 #define V4L2_EVENT_COLOUR_SPACE_FLAG 0x4 2166 2167 #define V4L2_EVENT_MSM_VIDC_START (V4L2_EVENT_PRIVATE_START + 0x00001000) 2168 #define V4L2_EVENT_MSM_VIDC_FLUSH_DONE (V4L2_EVENT_MSM_VIDC_START + 1) 2169 #define V4L2_EVENT_MSM_VIDC_PORT_SETTINGS_CHANGED_SUFFICIENT \ 2170 (V4L2_EVENT_MSM_VIDC_START + 2) 2171 #define V4L2_EVENT_MSM_VIDC_PORT_SETTINGS_CHANGED_INSUFFICIENT \ 2172 (V4L2_EVENT_MSM_VIDC_START + 3) 2173 /* 2174 * Bitdepth changed insufficient is deprecated now, however retaining 2175 * to prevent changing the values of the other macros after bitdepth 2176 */ 2177 #define V4L2_EVENT_MSM_VIDC_PORT_SETTINGS_BITDEPTH_CHANGED_INSUFFICIENT \ 2178 (V4L2_EVENT_MSM_VIDC_START + 4) 2179 #define V4L2_EVENT_MSM_VIDC_SYS_ERROR (V4L2_EVENT_MSM_VIDC_START + 5) 2180 #define V4L2_EVENT_MSM_VIDC_RELEASE_BUFFER_REFERENCE \ 2181 (V4L2_EVENT_MSM_VIDC_START + 6) 2182 #define V4L2_EVENT_MSM_VIDC_RELEASE_UNQUEUED_BUFFER \ 2183 (V4L2_EVENT_MSM_VIDC_START + 7) 2184 #define V4L2_EVENT_MSM_VIDC_HW_OVERLOAD (V4L2_EVENT_MSM_VIDC_START + 8) 2185 #define V4L2_EVENT_MSM_VIDC_MAX_CLIENTS (V4L2_EVENT_MSM_VIDC_START + 9) 2186 #define V4L2_EVENT_MSM_VIDC_HW_UNSUPPORTED (V4L2_EVENT_MSM_VIDC_START + 10) 2187 2188 /* Payload for V4L2_EVENT_VSYNC */ 2189 struct v4l2_event_vsync { 2190 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 2191 __u8 field; 2192 } __attribute__ ((packed)); 2193 2194 /* Payload for V4L2_EVENT_CTRL */ 2195 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 2196 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 2197 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 2198 2199 struct v4l2_event_ctrl { 2200 __u32 changes; 2201 __u32 type; 2202 union { 2203 __s32 value; 2204 __s64 value64; 2205 }; 2206 __u32 flags; 2207 __s32 minimum; 2208 __s32 maximum; 2209 __s32 step; 2210 __s32 default_value; 2211 }; 2212 2213 struct v4l2_event_frame_sync { 2214 __u32 frame_sequence; 2215 }; 2216 2217 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 2218 2219 struct v4l2_event_src_change { 2220 __u32 changes; 2221 }; 2222 2223 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 2224 2225 /** 2226 * struct v4l2_event_motion_det - motion detection event 2227 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 2228 * frame_sequence field is valid. 2229 * @frame_sequence: the frame sequence number associated with this event. 2230 * @region_mask: which regions detected motion. 2231 */ 2232 struct v4l2_event_motion_det { 2233 __u32 flags; 2234 __u32 frame_sequence; 2235 __u32 region_mask; 2236 }; 2237 2238 struct v4l2_event { 2239 __u32 type; 2240 union { 2241 struct v4l2_event_vsync vsync; 2242 struct v4l2_event_ctrl ctrl; 2243 struct v4l2_event_frame_sync frame_sync; 2244 struct v4l2_event_src_change src_change; 2245 struct v4l2_event_motion_det motion_det; 2246 __u8 data[64]; 2247 } u; 2248 __u32 pending; 2249 __u32 sequence; 2250 struct timespec timestamp; 2251 __u32 id; 2252 __u32 reserved[8]; 2253 }; 2254 2255 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2256 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2257 2258 struct v4l2_event_subscription { 2259 __u32 type; 2260 __u32 id; 2261 __u32 flags; 2262 __u32 reserved[5]; 2263 }; 2264 2265 /* 2266 * A D V A N C E D D E B U G G I N G 2267 * 2268 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2269 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2270 */ 2271 2272 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2273 2274 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2275 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2276 2277 /* The following four defines are no longer in use */ 2278 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2279 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2280 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2281 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2282 2283 struct v4l2_dbg_match { 2284 __u32 type; /* Match type */ 2285 union { /* Match this chip, meaning determined by type */ 2286 __u32 addr; 2287 char name[32]; 2288 }; 2289 } __attribute__ ((packed)); 2290 2291 struct v4l2_dbg_register { 2292 struct v4l2_dbg_match match; 2293 __u32 size; /* register size in bytes */ 2294 __u64 reg; 2295 __u64 val; 2296 } __attribute__ ((packed)); 2297 2298 #define V4L2_CHIP_FL_READABLE (1 << 0) 2299 #define V4L2_CHIP_FL_WRITABLE (1 << 1) 2300 2301 /* VIDIOC_DBG_G_CHIP_INFO */ 2302 struct v4l2_dbg_chip_info { 2303 struct v4l2_dbg_match match; 2304 char name[32]; 2305 __u32 flags; 2306 __u32 reserved[32]; 2307 } __attribute__ ((packed)); 2308 2309 /** 2310 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2311 * @index: on return, index of the first created buffer 2312 * @count: entry: number of requested buffers, 2313 * return: number of created buffers 2314 * @memory: enum v4l2_memory; buffer memory type 2315 * @format: frame format, for which buffers are requested 2316 * @reserved: future extensions 2317 */ 2318 struct v4l2_create_buffers { 2319 __u32 index; 2320 __u32 count; 2321 __u32 memory; 2322 struct v4l2_format format; 2323 __u32 reserved[8]; 2324 }; 2325 2326 /* 2327 * 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 2328 * 2329 */ 2330 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2331 #define VIDIOC_RESERVED _IO('V', 1) 2332 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2333 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2334 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2335 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2336 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2337 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2338 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2339 #define VIDIOC_OVERLAY _IOW('V', 14, int) 2340 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2341 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2342 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2343 #define VIDIOC_STREAMON _IOW('V', 18, int) 2344 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 2345 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2346 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2347 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2348 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2349 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2350 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2351 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2352 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2353 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2354 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2355 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2356 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2357 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2358 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2359 #define VIDIOC_G_INPUT _IOR('V', 38, int) 2360 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 2361 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2362 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2363 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2364 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2365 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2366 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2367 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2368 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2369 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2370 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2371 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2372 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2373 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2374 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2375 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2376 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2377 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2378 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2379 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2380 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2381 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2382 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2383 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2384 #define VIDIOC_LOG_STATUS _IO('V', 70) 2385 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2386 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2387 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2388 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2389 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2390 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2391 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2392 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2393 2394 /* Experimental, meant for debugging, testing and internal use. 2395 Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2396 You must be root to use these ioctls. Never use these in applications! */ 2397 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2398 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2399 2400 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2401 2402 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2403 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2404 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2405 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2406 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2407 2408 /* Experimental, the below two ioctls may change over the next couple of kernel 2409 versions */ 2410 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2411 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2412 2413 /* Experimental selection API */ 2414 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2415 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2416 2417 /* Experimental, these two ioctls may change over the next couple of kernel 2418 versions. */ 2419 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2420 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2421 2422 /* Experimental, these three ioctls may change over the next couple of kernel 2423 versions. */ 2424 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2425 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2426 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2427 2428 /* Experimental, this ioctl may change over the next couple of kernel 2429 versions. */ 2430 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2431 2432 /* Experimental, meant for debugging, testing and internal use. 2433 Never use these in applications! */ 2434 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2435 2436 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2437 2438 /* Reminder: when adding new ioctls please add support for them to 2439 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */ 2440 2441 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2442 2443 #endif /* __LINUX_VIDEODEV2_H */ 2444
