1 /* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */ 2 /* 3 * Video for Linux Two header file 4 * 5 * Copyright (C) 1999-2012 the contributors 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * Alternatively you can redistribute this file under the terms of the 18 * BSD license as stated below: 19 * 20 * Redistribution and use in source and binary forms, with or without 21 * modification, are permitted provided that the following conditions 22 * are met: 23 * 1. Redistributions of source code must retain the above copyright 24 * notice, this list of conditions and the following disclaimer. 25 * 2. Redistributions in binary form must reproduce the above copyright 26 * notice, this list of conditions and the following disclaimer in 27 * the documentation and/or other materials provided with the 28 * distribution. 29 * 3. The names of its contributors may not be used to endorse or promote 30 * products derived from this software without specific prior written 31 * permission. 32 * 33 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 34 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 35 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 36 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 37 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 38 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 39 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 40 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 41 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 42 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 43 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 44 * 45 * Header file for v4l or V4L2 drivers and applications 46 * with public API. 47 * All kernel-specific stuff were moved to media/v4l2-dev.h, so 48 * no #if __KERNEL tests are allowed here 49 * 50 * See https://linuxtv.org for more info 51 * 52 * Author: Bill Dirks <bill@thedirks.org> 53 * Justin Schoeman 54 * Hans Verkuil <hverkuil@xs4all.nl> 55 * et al. 56 */ 57 #ifndef _UAPI__LINUX_VIDEODEV2_H 58 #define _UAPI__LINUX_VIDEODEV2_H 59 60 #ifndef __KERNEL__ 61 #include <sys/time.h> 62 #endif 63 #include <linux/compiler.h> 64 #include <linux/ioctl.h> 65 #include <linux/types.h> 66 #include <linux/v4l2-common.h> 67 #include <linux/v4l2-controls.h> 68 69 /* 70 * Common stuff for both V4L1 and V4L2 71 * Moved from videodev.h 72 */ 73 #define VIDEO_MAX_FRAME 32 74 #define VIDEO_MAX_PLANES 8 75 76 /* 77 * M I S C E L L A N E O U S 78 */ 79 80 /* Four-character-code (FOURCC) */ 81 #define v4l2_fourcc(a, b, c, d)\ 82 ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24)) 83 #define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1U << 31)) 84 85 /* 86 * E N U M S 87 */ 88 enum v4l2_field { 89 V4L2_FIELD_ANY = 0, /* driver can choose from none, 90 top, bottom, interlaced 91 depending on whatever it thinks 92 is approximate ... */ 93 V4L2_FIELD_NONE = 1, /* this device has no fields ... */ 94 V4L2_FIELD_TOP = 2, /* top field only */ 95 V4L2_FIELD_BOTTOM = 3, /* bottom field only */ 96 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */ 97 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one 98 buffer, top-bottom order */ 99 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */ 100 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into 101 separate buffers */ 102 V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field 103 first and the top field is 104 transmitted first */ 105 V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field 106 first and the bottom field is 107 transmitted first */ 108 }; 109 #define V4L2_FIELD_HAS_TOP(field) \ 110 ((field) == V4L2_FIELD_TOP ||\ 111 (field) == V4L2_FIELD_INTERLACED ||\ 112 (field) == V4L2_FIELD_INTERLACED_TB ||\ 113 (field) == V4L2_FIELD_INTERLACED_BT ||\ 114 (field) == V4L2_FIELD_SEQ_TB ||\ 115 (field) == V4L2_FIELD_SEQ_BT) 116 #define V4L2_FIELD_HAS_BOTTOM(field) \ 117 ((field) == V4L2_FIELD_BOTTOM ||\ 118 (field) == V4L2_FIELD_INTERLACED ||\ 119 (field) == V4L2_FIELD_INTERLACED_TB ||\ 120 (field) == V4L2_FIELD_INTERLACED_BT ||\ 121 (field) == V4L2_FIELD_SEQ_TB ||\ 122 (field) == V4L2_FIELD_SEQ_BT) 123 #define V4L2_FIELD_HAS_BOTH(field) \ 124 ((field) == V4L2_FIELD_INTERLACED ||\ 125 (field) == V4L2_FIELD_INTERLACED_TB ||\ 126 (field) == V4L2_FIELD_INTERLACED_BT ||\ 127 (field) == V4L2_FIELD_SEQ_TB ||\ 128 (field) == V4L2_FIELD_SEQ_BT) 129 #define V4L2_FIELD_HAS_T_OR_B(field) \ 130 ((field) == V4L2_FIELD_BOTTOM ||\ 131 (field) == V4L2_FIELD_TOP ||\ 132 (field) == V4L2_FIELD_ALTERNATE) 133 #define V4L2_FIELD_IS_INTERLACED(field) \ 134 ((field) == V4L2_FIELD_INTERLACED ||\ 135 (field) == V4L2_FIELD_INTERLACED_TB ||\ 136 (field) == V4L2_FIELD_INTERLACED_BT) 137 #define V4L2_FIELD_IS_SEQUENTIAL(field) \ 138 ((field) == V4L2_FIELD_SEQ_TB ||\ 139 (field) == V4L2_FIELD_SEQ_BT) 140 141 enum v4l2_buf_type { 142 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, 143 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, 144 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, 145 V4L2_BUF_TYPE_VBI_CAPTURE = 4, 146 V4L2_BUF_TYPE_VBI_OUTPUT = 5, 147 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6, 148 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7, 149 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8, 150 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9, 151 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10, 152 V4L2_BUF_TYPE_SDR_CAPTURE = 11, 153 V4L2_BUF_TYPE_SDR_OUTPUT = 12, 154 V4L2_BUF_TYPE_META_CAPTURE = 13, 155 V4L2_BUF_TYPE_META_OUTPUT = 14, 156 /* Deprecated, do not use */ 157 V4L2_BUF_TYPE_PRIVATE = 0x80, 158 }; 159 160 #define V4L2_TYPE_IS_MULTIPLANAR(type) \ 161 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \ 162 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 163 164 #define V4L2_TYPE_IS_OUTPUT(type) \ 165 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \ 166 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \ 167 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \ 168 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \ 169 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \ 170 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \ 171 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT \ 172 || (type) == V4L2_BUF_TYPE_META_OUTPUT) 173 174 enum v4l2_tuner_type { 175 V4L2_TUNER_RADIO = 1, 176 V4L2_TUNER_ANALOG_TV = 2, 177 V4L2_TUNER_DIGITAL_TV = 3, 178 V4L2_TUNER_SDR = 4, 179 V4L2_TUNER_RF = 5, 180 }; 181 182 /* Deprecated, do not use */ 183 #define V4L2_TUNER_ADC V4L2_TUNER_SDR 184 185 enum v4l2_memory { 186 V4L2_MEMORY_MMAP = 1, 187 V4L2_MEMORY_USERPTR = 2, 188 V4L2_MEMORY_OVERLAY = 3, 189 V4L2_MEMORY_DMABUF = 4, 190 }; 191 192 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 193 enum v4l2_colorspace { 194 /* 195 * Default colorspace, i.e. let the driver figure it out. 196 * Can only be used with video capture. 197 */ 198 V4L2_COLORSPACE_DEFAULT = 0, 199 200 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */ 201 V4L2_COLORSPACE_SMPTE170M = 1, 202 203 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */ 204 V4L2_COLORSPACE_SMPTE240M = 2, 205 206 /* Rec.709: used for HDTV */ 207 V4L2_COLORSPACE_REC709 = 3, 208 209 /* 210 * Deprecated, do not use. No driver will ever return this. This was 211 * based on a misunderstanding of the bt878 datasheet. 212 */ 213 V4L2_COLORSPACE_BT878 = 4, 214 215 /* 216 * NTSC 1953 colorspace. This only makes sense when dealing with 217 * really, really old NTSC recordings. Superseded by SMPTE 170M. 218 */ 219 V4L2_COLORSPACE_470_SYSTEM_M = 5, 220 221 /* 222 * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when 223 * dealing with really old PAL/SECAM recordings. Superseded by 224 * SMPTE 170M. 225 */ 226 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 227 228 /* 229 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601 230 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG. 231 */ 232 V4L2_COLORSPACE_JPEG = 7, 233 234 /* For RGB colorspaces such as produces by most webcams. */ 235 V4L2_COLORSPACE_SRGB = 8, 236 237 /* opRGB colorspace */ 238 V4L2_COLORSPACE_OPRGB = 9, 239 240 /* BT.2020 colorspace, used for UHDTV. */ 241 V4L2_COLORSPACE_BT2020 = 10, 242 243 /* Raw colorspace: for RAW unprocessed images */ 244 V4L2_COLORSPACE_RAW = 11, 245 246 /* DCI-P3 colorspace, used by cinema projectors */ 247 V4L2_COLORSPACE_DCI_P3 = 12, 248 }; 249 250 /* 251 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace. 252 * This depends on whether this is a SDTV image (use SMPTE 170M), an 253 * HDTV image (use Rec. 709), or something else (use sRGB). 254 */ 255 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \ 256 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \ 257 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB)) 258 259 enum v4l2_xfer_func { 260 /* 261 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions 262 * for the various colorspaces: 263 * 264 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 265 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and 266 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709 267 * 268 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB 269 * 270 * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB 271 * 272 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M 273 * 274 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE 275 * 276 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3 277 */ 278 V4L2_XFER_FUNC_DEFAULT = 0, 279 V4L2_XFER_FUNC_709 = 1, 280 V4L2_XFER_FUNC_SRGB = 2, 281 V4L2_XFER_FUNC_OPRGB = 3, 282 V4L2_XFER_FUNC_SMPTE240M = 4, 283 V4L2_XFER_FUNC_NONE = 5, 284 V4L2_XFER_FUNC_DCI_P3 = 6, 285 V4L2_XFER_FUNC_SMPTE2084 = 7, 286 }; 287 288 /* 289 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function. 290 * This depends on the colorspace. 291 */ 292 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \ 293 ((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \ 294 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \ 295 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \ 296 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \ 297 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \ 298 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709))))) 299 300 enum v4l2_ycbcr_encoding { 301 /* 302 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the 303 * various colorspaces: 304 * 305 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 306 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB, 307 * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601 308 * 309 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709 310 * 311 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020 312 * 313 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M 314 */ 315 V4L2_YCBCR_ENC_DEFAULT = 0, 316 317 /* ITU-R 601 -- SDTV */ 318 V4L2_YCBCR_ENC_601 = 1, 319 320 /* Rec. 709 -- HDTV */ 321 V4L2_YCBCR_ENC_709 = 2, 322 323 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */ 324 V4L2_YCBCR_ENC_XV601 = 3, 325 326 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */ 327 V4L2_YCBCR_ENC_XV709 = 4, 328 329 #ifndef __KERNEL__ 330 /* 331 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added 332 * originally due to a misunderstanding of the sYCC standard. It should 333 * not be used, instead use V4L2_YCBCR_ENC_601. 334 */ 335 V4L2_YCBCR_ENC_SYCC = 5, 336 #endif 337 338 /* BT.2020 Non-constant Luminance Y'CbCr */ 339 V4L2_YCBCR_ENC_BT2020 = 6, 340 341 /* BT.2020 Constant Luminance Y'CbcCrc */ 342 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7, 343 344 /* SMPTE 240M -- Obsolete HDTV */ 345 V4L2_YCBCR_ENC_SMPTE240M = 8, 346 }; 347 348 /* 349 * enum v4l2_hsv_encoding values should not collide with the ones from 350 * enum v4l2_ycbcr_encoding. 351 */ 352 enum v4l2_hsv_encoding { 353 354 /* Hue mapped to 0 - 179 */ 355 V4L2_HSV_ENC_180 = 128, 356 357 /* Hue mapped to 0-255 */ 358 V4L2_HSV_ENC_256 = 129, 359 }; 360 361 /* 362 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding. 363 * This depends on the colorspace. 364 */ 365 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \ 366 (((colsp) == V4L2_COLORSPACE_REC709 || \ 367 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \ 368 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \ 369 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \ 370 V4L2_YCBCR_ENC_601))) 371 372 enum v4l2_quantization { 373 /* 374 * The default for R'G'B' quantization is always full range, except 375 * for the BT2020 colorspace. For Y'CbCr the quantization is always 376 * limited range, except for COLORSPACE_JPEG: this is full range. 377 */ 378 V4L2_QUANTIZATION_DEFAULT = 0, 379 V4L2_QUANTIZATION_FULL_RANGE = 1, 380 V4L2_QUANTIZATION_LIM_RANGE = 2, 381 }; 382 383 /* 384 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization. 385 * This depends on whether the image is RGB or not, the colorspace and the 386 * Y'CbCr encoding. 387 */ 388 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \ 389 (((is_rgb_or_hsv) && (colsp) == V4L2_COLORSPACE_BT2020) ? \ 390 V4L2_QUANTIZATION_LIM_RANGE : \ 391 (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \ 392 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE)) 393 394 /* 395 * Deprecated names for opRGB colorspace (IEC 61966-2-5) 396 * 397 * WARNING: Please don't use these deprecated defines in your code, as 398 * there is a chance we have to remove them in the future. 399 */ 400 #ifndef __KERNEL__ 401 #define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB 402 #define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB 403 #endif 404 405 enum v4l2_priority { 406 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 407 V4L2_PRIORITY_BACKGROUND = 1, 408 V4L2_PRIORITY_INTERACTIVE = 2, 409 V4L2_PRIORITY_RECORD = 3, 410 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 411 }; 412 413 struct v4l2_rect { 414 __s32 left; 415 __s32 top; 416 __u32 width; 417 __u32 height; 418 }; 419 420 struct v4l2_fract { 421 __u32 numerator; 422 __u32 denominator; 423 }; 424 425 struct v4l2_area { 426 __u32 width; 427 __u32 height; 428 }; 429 430 /** 431 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 432 * 433 * @driver: name of the driver module (e.g. "bttv") 434 * @card: name of the card (e.g. "Hauppauge WinTV") 435 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 436 * @version: KERNEL_VERSION 437 * @capabilities: capabilities of the physical device as a whole 438 * @device_caps: capabilities accessed via this particular device (node) 439 * @reserved: reserved fields for future extensions 440 */ 441 struct v4l2_capability { 442 __u8 driver[16]; 443 __u8 card[32]; 444 __u8 bus_info[32]; 445 __u32 version; 446 __u32 capabilities; 447 __u32 device_caps; 448 __u32 reserved[3]; 449 }; 450 451 /* Values for 'capabilities' field */ 452 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 453 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 454 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 455 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 456 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 457 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 458 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 459 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 460 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 461 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 462 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 463 464 /* Is a video capture device that supports multiplanar formats */ 465 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 466 /* Is a video output device that supports multiplanar formats */ 467 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 468 /* Is a video mem-to-mem device that supports multiplanar formats */ 469 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 470 /* Is a video mem-to-mem device */ 471 #define V4L2_CAP_VIDEO_M2M 0x00008000 472 473 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 474 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 475 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 476 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 477 478 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */ 479 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */ 480 #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */ 481 #define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */ 482 483 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 484 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 485 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 486 #define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */ 487 488 #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */ 489 490 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 491 492 /* 493 * V I D E O I M A G E F O R M A T 494 */ 495 struct v4l2_pix_format { 496 __u32 width; 497 __u32 height; 498 __u32 pixelformat; 499 __u32 field; /* enum v4l2_field */ 500 __u32 bytesperline; /* for padding, zero if unused */ 501 __u32 sizeimage; 502 __u32 colorspace; /* enum v4l2_colorspace */ 503 __u32 priv; /* private data, depends on pixelformat */ 504 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ 505 union { 506 /* enum v4l2_ycbcr_encoding */ 507 __u32 ycbcr_enc; 508 /* enum v4l2_hsv_encoding */ 509 __u32 hsv_enc; 510 }; 511 __u32 quantization; /* enum v4l2_quantization */ 512 __u32 xfer_func; /* enum v4l2_xfer_func */ 513 }; 514 515 /* Pixel format FOURCC depth Description */ 516 517 /* RGB formats */ 518 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 519 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 520 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */ 521 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */ 522 #define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2') /* 16 rrrrgggg bbbbaaaa */ 523 #define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16 rrrrgggg bbbbxxxx */ 524 #define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16 aaaabbbb ggggrrrr */ 525 #define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16 xxxxbbbb ggggrrrr */ 526 527 /* 528 * Originally this had 'BA12' as fourcc, but this clashed with the older 529 * V4L2_PIX_FMT_SGRBG12 which inexplicably used that same fourcc. 530 * So use 'GA12' instead for V4L2_PIX_FMT_BGRA444. 531 */ 532 #define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('G', 'A', '1', '2') /* 16 bbbbgggg rrrraaaa */ 533 #define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16 bbbbgggg rrrrxxxx */ 534 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 535 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */ 536 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */ 537 #define V4L2_PIX_FMT_RGBA555 v4l2_fourcc('R', 'A', '1', '5') /* 16 RGBA-5-5-5-1 */ 538 #define V4L2_PIX_FMT_RGBX555 v4l2_fourcc('R', 'X', '1', '5') /* 16 RGBX-5-5-5-1 */ 539 #define V4L2_PIX_FMT_ABGR555 v4l2_fourcc('A', 'B', '1', '5') /* 16 ABGR-1-5-5-5 */ 540 #define V4L2_PIX_FMT_XBGR555 v4l2_fourcc('X', 'B', '1', '5') /* 16 XBGR-1-5-5-5 */ 541 #define V4L2_PIX_FMT_BGRA555 v4l2_fourcc('B', 'A', '1', '5') /* 16 BGRA-5-5-5-1 */ 542 #define V4L2_PIX_FMT_BGRX555 v4l2_fourcc('B', 'X', '1', '5') /* 16 BGRX-5-5-5-1 */ 543 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 544 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 545 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */ 546 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */ 547 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 548 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 549 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 550 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 551 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 552 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */ 553 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */ 554 #define V4L2_PIX_FMT_BGRA32 v4l2_fourcc('R', 'A', '2', '4') /* 32 ABGR-8-8-8-8 */ 555 #define V4L2_PIX_FMT_BGRX32 v4l2_fourcc('R', 'X', '2', '4') /* 32 XBGR-8-8-8-8 */ 556 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 557 #define V4L2_PIX_FMT_RGBA32 v4l2_fourcc('A', 'B', '2', '4') /* 32 RGBA-8-8-8-8 */ 558 #define V4L2_PIX_FMT_RGBX32 v4l2_fourcc('X', 'B', '2', '4') /* 32 RGBX-8-8-8-8 */ 559 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */ 560 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */ 561 562 /* Grey formats */ 563 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 564 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 565 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 566 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 567 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 568 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 569 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */ 570 571 /* Grey bit-packed formats */ 572 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 573 #define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */ 574 575 /* Palette formats */ 576 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 577 578 /* Chrominance formats */ 579 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 580 581 /* Luminance+Chrominance formats */ 582 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 583 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 584 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 585 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 586 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 587 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 588 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 589 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 590 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 591 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 592 #define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */ 593 #define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */ 594 #define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */ 595 #define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */ 596 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */ 597 #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */ 598 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 599 600 /* two planes -- one Y, one Cr + Cb interleaved */ 601 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 602 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 603 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 604 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 605 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 606 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 607 608 /* two non contiguous planes - one Y, one Cr + Cb interleaved */ 609 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 610 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 611 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ 612 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ 613 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */ 614 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */ 615 616 /* three planes - Y Cb, Cr */ 617 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 618 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 619 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */ 620 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 621 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 622 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 623 624 /* three non contiguous planes - Y, Cb, Cr */ 625 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 626 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 627 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */ 628 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */ 629 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */ 630 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */ 631 632 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 633 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 634 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 635 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 636 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 637 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 638 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 639 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 640 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 641 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ 642 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') 643 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') 644 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') 645 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') 646 /* 10bit raw bayer a-law compressed to 8 bits */ 647 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 648 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 649 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 650 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 651 /* 10bit raw bayer DPCM compressed to 8 bits */ 652 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 653 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 654 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 655 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 656 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 657 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 658 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 659 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 660 /* 12bit raw bayer packed, 6 bytes for every 4 pixels */ 661 #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C') 662 #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C') 663 #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C') 664 #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C') 665 /* 14bit raw bayer packed, 7 bytes for every 4 pixels */ 666 #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E') 667 #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E') 668 #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E') 669 #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E') 670 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 671 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */ 672 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */ 673 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */ 674 675 /* HSV formats */ 676 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3') 677 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4') 678 679 /* compressed formats */ 680 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 681 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 682 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 683 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 684 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 685 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 686 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 687 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 688 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 689 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 690 #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */ 691 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 692 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 693 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 694 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 695 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 696 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */ 697 #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */ 698 #define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */ 699 #define V4L2_PIX_FMT_FWHT_STATELESS v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */ 700 701 /* Vendor-specific formats */ 702 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 703 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 704 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 705 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 706 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 707 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 708 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 709 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 710 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 711 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 712 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 713 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 714 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 715 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 716 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 717 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 718 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 719 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 720 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 721 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 722 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 723 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 724 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 725 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 726 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 727 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 728 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */ 729 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */ 730 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */ 731 #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */ 732 #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */ 733 #define V4L2_PIX_FMT_SUNXI_TILED_NV12 v4l2_fourcc('S', 'T', '1', '2') /* Sunxi Tiled NV12 Format */ 734 #define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */ 735 736 /* 10bit raw bayer packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */ 737 #define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */ 738 #define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */ 739 #define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */ 740 #define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */ 741 742 /* SDR formats - used only for Software Defined Radio devices */ 743 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 744 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 745 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 746 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 747 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 748 #define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */ 749 #define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */ 750 #define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */ 751 752 /* Touch formats - used for Touch devices */ 753 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */ 754 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */ 755 #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */ 756 #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */ 757 758 /* Meta-data formats */ 759 #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */ 760 #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */ 761 #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */ 762 #define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */ 763 #define V4L2_META_FMT_VIVID v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */ 764 765 /* priv field value to indicates that subsequent fields are valid. */ 766 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 767 768 /* Flags */ 769 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 770 771 /* 772 * F O R M A T E N U M E R A T I O N 773 */ 774 struct v4l2_fmtdesc { 775 __u32 index; /* Format number */ 776 __u32 type; /* enum v4l2_buf_type */ 777 __u32 flags; 778 __u8 description[32]; /* Description string */ 779 __u32 pixelformat; /* Format fourcc */ 780 __u32 reserved[4]; 781 }; 782 783 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 784 #define V4L2_FMT_FLAG_EMULATED 0x0002 785 #define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM 0x0004 786 #define V4L2_FMT_FLAG_DYN_RESOLUTION 0x0008 787 788 /* Frame Size and frame rate enumeration */ 789 /* 790 * F R A M E S I Z E E N U M E R A T I O N 791 */ 792 enum v4l2_frmsizetypes { 793 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 794 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 795 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 796 }; 797 798 struct v4l2_frmsize_discrete { 799 __u32 width; /* Frame width [pixel] */ 800 __u32 height; /* Frame height [pixel] */ 801 }; 802 803 struct v4l2_frmsize_stepwise { 804 __u32 min_width; /* Minimum frame width [pixel] */ 805 __u32 max_width; /* Maximum frame width [pixel] */ 806 __u32 step_width; /* Frame width step size [pixel] */ 807 __u32 min_height; /* Minimum frame height [pixel] */ 808 __u32 max_height; /* Maximum frame height [pixel] */ 809 __u32 step_height; /* Frame height step size [pixel] */ 810 }; 811 812 struct v4l2_frmsizeenum { 813 __u32 index; /* Frame size number */ 814 __u32 pixel_format; /* Pixel format */ 815 __u32 type; /* Frame size type the device supports. */ 816 817 union { /* Frame size */ 818 struct v4l2_frmsize_discrete discrete; 819 struct v4l2_frmsize_stepwise stepwise; 820 }; 821 822 __u32 reserved[2]; /* Reserved space for future use */ 823 }; 824 825 /* 826 * F R A M E R A T E E N U M E R A T I O N 827 */ 828 enum v4l2_frmivaltypes { 829 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 830 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 831 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 832 }; 833 834 struct v4l2_frmival_stepwise { 835 struct v4l2_fract min; /* Minimum frame interval [s] */ 836 struct v4l2_fract max; /* Maximum frame interval [s] */ 837 struct v4l2_fract step; /* Frame interval step size [s] */ 838 }; 839 840 struct v4l2_frmivalenum { 841 __u32 index; /* Frame format index */ 842 __u32 pixel_format; /* Pixel format */ 843 __u32 width; /* Frame width */ 844 __u32 height; /* Frame height */ 845 __u32 type; /* Frame interval type the device supports. */ 846 847 union { /* Frame interval */ 848 struct v4l2_fract discrete; 849 struct v4l2_frmival_stepwise stepwise; 850 }; 851 852 __u32 reserved[2]; /* Reserved space for future use */ 853 }; 854 855 /* 856 * T I M E C O D E 857 */ 858 struct v4l2_timecode { 859 __u32 type; 860 __u32 flags; 861 __u8 frames; 862 __u8 seconds; 863 __u8 minutes; 864 __u8 hours; 865 __u8 userbits[4]; 866 }; 867 868 /* Type */ 869 #define V4L2_TC_TYPE_24FPS 1 870 #define V4L2_TC_TYPE_25FPS 2 871 #define V4L2_TC_TYPE_30FPS 3 872 #define V4L2_TC_TYPE_50FPS 4 873 #define V4L2_TC_TYPE_60FPS 5 874 875 /* Flags */ 876 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 877 #define V4L2_TC_FLAG_COLORFRAME 0x0002 878 #define V4L2_TC_USERBITS_field 0x000C 879 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 880 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 881 /* The above is based on SMPTE timecodes */ 882 883 struct v4l2_jpegcompression { 884 int quality; 885 886 int APPn; /* Number of APP segment to be written, 887 * must be 0..15 */ 888 int APP_len; /* Length of data in JPEG APPn segment */ 889 char APP_data[60]; /* Data in the JPEG APPn segment. */ 890 891 int COM_len; /* Length of data in JPEG COM segment */ 892 char COM_data[60]; /* Data in JPEG COM segment */ 893 894 __u32 jpeg_markers; /* Which markers should go into the JPEG 895 * output. Unless you exactly know what 896 * you do, leave them untouched. 897 * Including less markers will make the 898 * resulting code smaller, but there will 899 * be fewer applications which can read it. 900 * The presence of the APP and COM marker 901 * is influenced by APP_len and COM_len 902 * ONLY, not by this property! */ 903 904 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 905 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 906 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 907 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 908 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 909 * always use APP0 */ 910 }; 911 912 /* 913 * M E M O R Y - M A P P I N G B U F F E R S 914 */ 915 916 #ifdef __KERNEL__ 917 /* 918 * This corresponds to the user space version of timeval 919 * for 64-bit time_t. sparc64 is different from everyone 920 * else, using the microseconds in the wrong half of the 921 * second 64-bit word. 922 */ 923 struct __kernel_v4l2_timeval { 924 long long tv_sec; 925 #if defined(__sparc__) && defined(__arch64__) 926 int tv_usec; 927 int __pad; 928 #else 929 long long tv_usec; 930 #endif 931 }; 932 #endif 933 934 struct v4l2_requestbuffers { 935 __u32 count; 936 __u32 type; /* enum v4l2_buf_type */ 937 __u32 memory; /* enum v4l2_memory */ 938 __u32 capabilities; 939 __u32 reserved[1]; 940 }; 941 942 /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */ 943 #define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0) 944 #define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1) 945 #define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2) 946 #define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3) 947 #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4) 948 #define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5) 949 950 /** 951 * struct v4l2_plane - plane info for multi-planar buffers 952 * @bytesused: number of bytes occupied by data in the plane (payload) 953 * @length: size of this plane (NOT the payload) in bytes 954 * @mem_offset: when memory in the associated struct v4l2_buffer is 955 * V4L2_MEMORY_MMAP, equals the offset from the start of 956 * the device memory for this plane (or is a "cookie" that 957 * should be passed to mmap() called on the video node) 958 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 959 * pointing to this plane 960 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 961 * descriptor associated with this plane 962 * @data_offset: offset in the plane to the start of data; usually 0, 963 * unless there is a header in front of the data 964 * 965 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 966 * with two planes can have one plane for Y, and another for interleaved CbCr 967 * components. Each plane can reside in a separate memory buffer, or even in 968 * a completely separate memory node (e.g. in embedded devices). 969 */ 970 struct v4l2_plane { 971 __u32 bytesused; 972 __u32 length; 973 union { 974 __u32 mem_offset; 975 unsigned long userptr; 976 __s32 fd; 977 } m; 978 __u32 data_offset; 979 __u32 reserved[11]; 980 }; 981 982 /** 983 * struct v4l2_buffer - video buffer info 984 * @index: id number of the buffer 985 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 986 * multiplanar buffers); 987 * @bytesused: number of bytes occupied by data in the buffer (payload); 988 * unused (set to 0) for multiplanar buffers 989 * @flags: buffer informational flags 990 * @field: enum v4l2_field; field order of the image in the buffer 991 * @timestamp: frame timestamp 992 * @timecode: frame timecode 993 * @sequence: sequence count of this frame 994 * @memory: enum v4l2_memory; the method, in which the actual video data is 995 * passed 996 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 997 * offset from the start of the device memory for this plane, 998 * (or a "cookie" that should be passed to mmap() as offset) 999 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 1000 * a userspace pointer pointing to this buffer 1001 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 1002 * a userspace file descriptor associated with this buffer 1003 * @planes: for multiplanar buffers; userspace pointer to the array of plane 1004 * info structs for this buffer 1005 * @length: size in bytes of the buffer (NOT its payload) for single-plane 1006 * buffers (when type != *_MPLANE); number of elements in the 1007 * planes array for multi-plane buffers 1008 * @request_fd: fd of the request that this buffer should use 1009 * 1010 * Contains data exchanged by application and driver using one of the Streaming 1011 * I/O methods. 1012 */ 1013 struct v4l2_buffer { 1014 __u32 index; 1015 __u32 type; 1016 __u32 bytesused; 1017 __u32 flags; 1018 __u32 field; 1019 #ifdef __KERNEL__ 1020 struct __kernel_v4l2_timeval timestamp; 1021 #else 1022 struct timeval timestamp; 1023 #endif 1024 struct v4l2_timecode timecode; 1025 __u32 sequence; 1026 1027 /* memory location */ 1028 __u32 memory; 1029 union { 1030 __u32 offset; 1031 unsigned long userptr; 1032 struct v4l2_plane *planes; 1033 __s32 fd; 1034 } m; 1035 __u32 length; 1036 __u32 reserved2; 1037 union { 1038 __s32 request_fd; 1039 __u32 reserved; 1040 }; 1041 }; 1042 1043 #ifndef __KERNEL__ 1044 /** 1045 * v4l2_timeval_to_ns - Convert timeval to nanoseconds 1046 * @ts: pointer to the timeval variable to be converted 1047 * 1048 * Returns the scalar nanosecond representation of the timeval 1049 * parameter. 1050 */ 1051 static inline __u64 v4l2_timeval_to_ns(const struct timeval *tv) 1052 { 1053 return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000; 1054 } 1055 #endif 1056 1057 /* Flags for 'flags' field */ 1058 /* Buffer is mapped (flag) */ 1059 #define V4L2_BUF_FLAG_MAPPED 0x00000001 1060 /* Buffer is queued for processing */ 1061 #define V4L2_BUF_FLAG_QUEUED 0x00000002 1062 /* Buffer is ready */ 1063 #define V4L2_BUF_FLAG_DONE 0x00000004 1064 /* Image is a keyframe (I-frame) */ 1065 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008 1066 /* Image is a P-frame */ 1067 #define V4L2_BUF_FLAG_PFRAME 0x00000010 1068 /* Image is a B-frame */ 1069 #define V4L2_BUF_FLAG_BFRAME 0x00000020 1070 /* Buffer is ready, but the data contained within is corrupted. */ 1071 #define V4L2_BUF_FLAG_ERROR 0x00000040 1072 /* Buffer is added to an unqueued request */ 1073 #define V4L2_BUF_FLAG_IN_REQUEST 0x00000080 1074 /* timecode field is valid */ 1075 #define V4L2_BUF_FLAG_TIMECODE 0x00000100 1076 /* Don't return the capture buffer until OUTPUT timestamp changes */ 1077 #define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF 0x00000200 1078 /* Buffer is prepared for queuing */ 1079 #define V4L2_BUF_FLAG_PREPARED 0x00000400 1080 /* Cache handling flags */ 1081 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 1082 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 1083 /* Timestamp type */ 1084 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 1085 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 1086 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 1087 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 1088 /* Timestamp sources. */ 1089 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 1090 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 1091 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 1092 /* mem2mem encoder/decoder */ 1093 #define V4L2_BUF_FLAG_LAST 0x00100000 1094 /* request_fd is valid */ 1095 #define V4L2_BUF_FLAG_REQUEST_FD 0x00800000 1096 1097 /** 1098 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 1099 * 1100 * @index: id number of the buffer 1101 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 1102 * multiplanar buffers); 1103 * @plane: index of the plane to be exported, 0 for single plane queues 1104 * @flags: flags for newly created file, currently only O_CLOEXEC is 1105 * supported, refer to manual of open syscall for more details 1106 * @fd: file descriptor associated with DMABUF (set by driver) 1107 * 1108 * Contains data used for exporting a video buffer as DMABUF file descriptor. 1109 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 1110 * (identical to the cookie used to mmap() the buffer to userspace). All 1111 * reserved fields must be set to zero. The field reserved0 is expected to 1112 * become a structure 'type' allowing an alternative layout of the structure 1113 * content. Therefore this field should not be used for any other extensions. 1114 */ 1115 struct v4l2_exportbuffer { 1116 __u32 type; /* enum v4l2_buf_type */ 1117 __u32 index; 1118 __u32 plane; 1119 __u32 flags; 1120 __s32 fd; 1121 __u32 reserved[11]; 1122 }; 1123 1124 /* 1125 * O V E R L A Y P R E V I E W 1126 */ 1127 struct v4l2_framebuffer { 1128 __u32 capability; 1129 __u32 flags; 1130 /* FIXME: in theory we should pass something like PCI device + memory 1131 * region + offset instead of some physical address */ 1132 void *base; 1133 struct { 1134 __u32 width; 1135 __u32 height; 1136 __u32 pixelformat; 1137 __u32 field; /* enum v4l2_field */ 1138 __u32 bytesperline; /* for padding, zero if unused */ 1139 __u32 sizeimage; 1140 __u32 colorspace; /* enum v4l2_colorspace */ 1141 __u32 priv; /* reserved field, set to 0 */ 1142 } fmt; 1143 }; 1144 /* Flags for the 'capability' field. Read only */ 1145 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 1146 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 1147 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 1148 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 1149 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 1150 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 1151 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 1152 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 1153 /* Flags for the 'flags' field. */ 1154 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 1155 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 1156 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 1157 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 1158 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 1159 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 1160 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 1161 1162 struct v4l2_clip { 1163 struct v4l2_rect c; 1164 struct v4l2_clip __user *next; 1165 }; 1166 1167 struct v4l2_window { 1168 struct v4l2_rect w; 1169 __u32 field; /* enum v4l2_field */ 1170 __u32 chromakey; 1171 struct v4l2_clip __user *clips; 1172 __u32 clipcount; 1173 void __user *bitmap; 1174 __u8 global_alpha; 1175 }; 1176 1177 /* 1178 * C A P T U R E P A R A M E T E R S 1179 */ 1180 struct v4l2_captureparm { 1181 __u32 capability; /* Supported modes */ 1182 __u32 capturemode; /* Current mode */ 1183 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1184 __u32 extendedmode; /* Driver-specific extensions */ 1185 __u32 readbuffers; /* # of buffers for read */ 1186 __u32 reserved[4]; 1187 }; 1188 1189 /* Flags for 'capability' and 'capturemode' fields */ 1190 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 1191 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 1192 1193 struct v4l2_outputparm { 1194 __u32 capability; /* Supported modes */ 1195 __u32 outputmode; /* Current mode */ 1196 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1197 __u32 extendedmode; /* Driver-specific extensions */ 1198 __u32 writebuffers; /* # of buffers for write */ 1199 __u32 reserved[4]; 1200 }; 1201 1202 /* 1203 * I N P U T I M A G E C R O P P I N G 1204 */ 1205 struct v4l2_cropcap { 1206 __u32 type; /* enum v4l2_buf_type */ 1207 struct v4l2_rect bounds; 1208 struct v4l2_rect defrect; 1209 struct v4l2_fract pixelaspect; 1210 }; 1211 1212 struct v4l2_crop { 1213 __u32 type; /* enum v4l2_buf_type */ 1214 struct v4l2_rect c; 1215 }; 1216 1217 /** 1218 * struct v4l2_selection - selection info 1219 * @type: buffer type (do not use *_MPLANE types) 1220 * @target: Selection target, used to choose one of possible rectangles; 1221 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 1222 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 1223 * @r: coordinates of selection window 1224 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 1225 * 1226 * Hardware may use multiple helper windows to process a video stream. 1227 * The structure is used to exchange this selection areas between 1228 * an application and a driver. 1229 */ 1230 struct v4l2_selection { 1231 __u32 type; 1232 __u32 target; 1233 __u32 flags; 1234 struct v4l2_rect r; 1235 __u32 reserved[9]; 1236 }; 1237 1238 1239 /* 1240 * A N A L O G V I D E O S T A N D A R D 1241 */ 1242 1243 typedef __u64 v4l2_std_id; 1244 1245 /* one bit for each */ 1246 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 1247 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 1248 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 1249 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 1250 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 1251 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 1252 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 1253 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 1254 1255 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 1256 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 1257 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 1258 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 1259 1260 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 1261 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 1262 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 1263 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 1264 1265 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 1266 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 1267 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 1268 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 1269 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 1270 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 1271 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 1272 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 1273 1274 /* ATSC/HDTV */ 1275 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 1276 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 1277 1278 /* FIXME: 1279 Although std_id is 64 bits, there is an issue on PPC32 architecture that 1280 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 1281 this value to 32 bits. 1282 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 1283 it should work fine. However, if needed to add more than two standards, 1284 v4l2-common.c should be fixed. 1285 */ 1286 1287 /* 1288 * Some macros to merge video standards in order to make live easier for the 1289 * drivers and V4L2 applications 1290 */ 1291 1292 /* 1293 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 1294 * Missing here. 1295 */ 1296 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 1297 V4L2_STD_NTSC_M_JP |\ 1298 V4L2_STD_NTSC_M_KR) 1299 /* Secam macros */ 1300 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 1301 V4L2_STD_SECAM_K |\ 1302 V4L2_STD_SECAM_K1) 1303 /* All Secam Standards */ 1304 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 1305 V4L2_STD_SECAM_G |\ 1306 V4L2_STD_SECAM_H |\ 1307 V4L2_STD_SECAM_DK |\ 1308 V4L2_STD_SECAM_L |\ 1309 V4L2_STD_SECAM_LC) 1310 /* PAL macros */ 1311 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 1312 V4L2_STD_PAL_B1 |\ 1313 V4L2_STD_PAL_G) 1314 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1315 V4L2_STD_PAL_D1 |\ 1316 V4L2_STD_PAL_K) 1317 /* 1318 * "Common" PAL - This macro is there to be compatible with the old 1319 * V4L1 concept of "PAL": /BGDKHI. 1320 * Several PAL standards are missing here: /M, /N and /Nc 1321 */ 1322 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1323 V4L2_STD_PAL_DK |\ 1324 V4L2_STD_PAL_H |\ 1325 V4L2_STD_PAL_I) 1326 /* Chroma "agnostic" standards */ 1327 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 1328 V4L2_STD_PAL_B1 |\ 1329 V4L2_STD_SECAM_B) 1330 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 1331 V4L2_STD_SECAM_G) 1332 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 1333 V4L2_STD_SECAM_H) 1334 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1335 V4L2_STD_SECAM_LC) 1336 #define V4L2_STD_GH (V4L2_STD_G |\ 1337 V4L2_STD_H) 1338 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1339 V4L2_STD_SECAM_DK) 1340 #define V4L2_STD_BG (V4L2_STD_B |\ 1341 V4L2_STD_G) 1342 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1343 V4L2_STD_PAL_N |\ 1344 V4L2_STD_PAL_Nc |\ 1345 V4L2_STD_NTSC) 1346 1347 /* Standards where MTS/BTSC stereo could be found */ 1348 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1349 V4L2_STD_PAL_M |\ 1350 V4L2_STD_PAL_N |\ 1351 V4L2_STD_PAL_Nc) 1352 1353 /* Standards for Countries with 60Hz Line frequency */ 1354 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1355 V4L2_STD_PAL_60 |\ 1356 V4L2_STD_NTSC |\ 1357 V4L2_STD_NTSC_443) 1358 /* Standards for Countries with 50Hz Line frequency */ 1359 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1360 V4L2_STD_PAL_N |\ 1361 V4L2_STD_PAL_Nc |\ 1362 V4L2_STD_SECAM) 1363 1364 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1365 V4L2_STD_ATSC_16_VSB) 1366 /* Macros with none and all analog standards */ 1367 #define V4L2_STD_UNKNOWN 0 1368 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1369 V4L2_STD_625_50) 1370 1371 struct v4l2_standard { 1372 __u32 index; 1373 v4l2_std_id id; 1374 __u8 name[24]; 1375 struct v4l2_fract frameperiod; /* Frames, not fields */ 1376 __u32 framelines; 1377 __u32 reserved[4]; 1378 }; 1379 1380 /* 1381 * D V B T T I M I N G S 1382 */ 1383 1384 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1385 * @width: total width of the active video in pixels 1386 * @height: total height of the active video in lines 1387 * @interlaced: Interlaced or progressive 1388 * @polarities: Positive or negative polarities 1389 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1390 * @hfrontporch:Horizontal front porch in pixels 1391 * @hsync: Horizontal Sync length in pixels 1392 * @hbackporch: Horizontal back porch in pixels 1393 * @vfrontporch:Vertical front porch in lines 1394 * @vsync: Vertical Sync length in lines 1395 * @vbackporch: Vertical back porch in lines 1396 * @il_vfrontporch:Vertical front porch for the even field 1397 * (aka field 2) of interlaced field formats 1398 * @il_vsync: Vertical Sync length for the even field 1399 * (aka field 2) of interlaced field formats 1400 * @il_vbackporch:Vertical back porch for the even field 1401 * (aka field 2) of interlaced field formats 1402 * @standards: Standards the timing belongs to 1403 * @flags: Flags 1404 * @picture_aspect: The picture aspect ratio (hor/vert). 1405 * @cea861_vic: VIC code as per the CEA-861 standard. 1406 * @hdmi_vic: VIC code as per the HDMI standard. 1407 * @reserved: Reserved fields, must be zeroed. 1408 * 1409 * A note regarding vertical interlaced timings: height refers to the total 1410 * height of the active video frame (= two fields). The blanking timings refer 1411 * to the blanking of each field. So the height of the total frame is 1412 * calculated as follows: 1413 * 1414 * tot_height = height + vfrontporch + vsync + vbackporch + 1415 * il_vfrontporch + il_vsync + il_vbackporch 1416 * 1417 * The active height of each field is height / 2. 1418 */ 1419 struct v4l2_bt_timings { 1420 __u32 width; 1421 __u32 height; 1422 __u32 interlaced; 1423 __u32 polarities; 1424 __u64 pixelclock; 1425 __u32 hfrontporch; 1426 __u32 hsync; 1427 __u32 hbackporch; 1428 __u32 vfrontporch; 1429 __u32 vsync; 1430 __u32 vbackporch; 1431 __u32 il_vfrontporch; 1432 __u32 il_vsync; 1433 __u32 il_vbackporch; 1434 __u32 standards; 1435 __u32 flags; 1436 struct v4l2_fract picture_aspect; 1437 __u8 cea861_vic; 1438 __u8 hdmi_vic; 1439 __u8 reserved[46]; 1440 } __attribute__ ((packed)); 1441 1442 /* Interlaced or progressive format */ 1443 #define V4L2_DV_PROGRESSIVE 0 1444 #define V4L2_DV_INTERLACED 1 1445 1446 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1447 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1448 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1449 1450 /* Timings standards */ 1451 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1452 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1453 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1454 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1455 #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */ 1456 1457 /* Flags */ 1458 1459 /* 1460 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1461 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1462 * intervals are reduced, allowing a higher resolution over the same 1463 * bandwidth. This is a read-only flag. 1464 */ 1465 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1466 /* 1467 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1468 * of six. These formats can be optionally played at 1 / 1.001 speed. 1469 * This is a read-only flag. 1470 */ 1471 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1472 /* 1473 * CEA-861 specific: only valid for video transmitters, the flag is cleared 1474 * by receivers. 1475 * If the framerate of the format is a multiple of six, then the pixelclock 1476 * used to set up the transmitter is divided by 1.001 to make it compatible 1477 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1478 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1479 * such frequencies, then the flag will also be cleared. 1480 */ 1481 #define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1482 /* 1483 * Specific to interlaced formats: if set, then field 1 is really one half-line 1484 * longer and field 2 is really one half-line shorter, so each field has 1485 * exactly the same number of half-lines. Whether half-lines can be detected 1486 * or used depends on the hardware. 1487 */ 1488 #define V4L2_DV_FL_HALF_LINE (1 << 3) 1489 /* 1490 * If set, then this is a Consumer Electronics (CE) video format. Such formats 1491 * differ from other formats (commonly called IT formats) in that if RGB 1492 * encoding is used then by default the RGB values use limited range (i.e. 1493 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861 1494 * except for the 640x480 format are CE formats. 1495 */ 1496 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4) 1497 /* Some formats like SMPTE-125M have an interlaced signal with a odd 1498 * total height. For these formats, if this flag is set, the first 1499 * field has the extra line. If not, it is the second field. 1500 */ 1501 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5) 1502 /* 1503 * If set, then the picture_aspect field is valid. Otherwise assume that the 1504 * pixels are square, so the picture aspect ratio is the same as the width to 1505 * height ratio. 1506 */ 1507 #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6) 1508 /* 1509 * If set, then the cea861_vic field is valid and contains the Video 1510 * Identification Code as per the CEA-861 standard. 1511 */ 1512 #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7) 1513 /* 1514 * If set, then the hdmi_vic field is valid and contains the Video 1515 * Identification Code as per the HDMI standard (HDMI Vendor Specific 1516 * InfoFrame). 1517 */ 1518 #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8) 1519 /* 1520 * CEA-861 specific: only valid for video receivers. 1521 * If set, then HW can detect the difference between regular FPS and 1522 * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with 1523 * the V4L2_DV_FL_CAN_REDUCE_FPS flag set. 1524 */ 1525 #define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9) 1526 1527 /* A few useful defines to calculate the total blanking and frame sizes */ 1528 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1529 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1530 #define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1531 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1532 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1533 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1534 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) 1535 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1536 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1537 1538 /** struct v4l2_dv_timings - DV timings 1539 * @type: the type of the timings 1540 * @bt: BT656/1120 timings 1541 */ 1542 struct v4l2_dv_timings { 1543 __u32 type; 1544 union { 1545 struct v4l2_bt_timings bt; 1546 __u32 reserved[32]; 1547 }; 1548 } __attribute__ ((packed)); 1549 1550 /* Values for the type field */ 1551 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1552 1553 1554 /** struct v4l2_enum_dv_timings - DV timings enumeration 1555 * @index: enumeration index 1556 * @pad: the pad number for which to enumerate timings (used with 1557 * v4l-subdev nodes only) 1558 * @reserved: must be zeroed 1559 * @timings: the timings for the given index 1560 */ 1561 struct v4l2_enum_dv_timings { 1562 __u32 index; 1563 __u32 pad; 1564 __u32 reserved[2]; 1565 struct v4l2_dv_timings timings; 1566 }; 1567 1568 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1569 * @min_width: width in pixels 1570 * @max_width: width in pixels 1571 * @min_height: height in lines 1572 * @max_height: height in lines 1573 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1574 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1575 * @standards: Supported standards 1576 * @capabilities: Supported capabilities 1577 * @reserved: Must be zeroed 1578 */ 1579 struct v4l2_bt_timings_cap { 1580 __u32 min_width; 1581 __u32 max_width; 1582 __u32 min_height; 1583 __u32 max_height; 1584 __u64 min_pixelclock; 1585 __u64 max_pixelclock; 1586 __u32 standards; 1587 __u32 capabilities; 1588 __u32 reserved[16]; 1589 } __attribute__ ((packed)); 1590 1591 /* Supports interlaced formats */ 1592 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1593 /* Supports progressive formats */ 1594 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1595 /* Supports CVT/GTF reduced blanking */ 1596 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1597 /* Supports custom formats */ 1598 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1599 1600 /** struct v4l2_dv_timings_cap - DV timings capabilities 1601 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1602 * @pad: the pad number for which to query capabilities (used with 1603 * v4l-subdev nodes only) 1604 * @bt: the BT656/1120 timings capabilities 1605 */ 1606 struct v4l2_dv_timings_cap { 1607 __u32 type; 1608 __u32 pad; 1609 __u32 reserved[2]; 1610 union { 1611 struct v4l2_bt_timings_cap bt; 1612 __u32 raw_data[32]; 1613 }; 1614 }; 1615 1616 1617 /* 1618 * V I D E O I N P U T S 1619 */ 1620 struct v4l2_input { 1621 __u32 index; /* Which input */ 1622 __u8 name[32]; /* Label */ 1623 __u32 type; /* Type of input */ 1624 __u32 audioset; /* Associated audios (bitfield) */ 1625 __u32 tuner; /* enum v4l2_tuner_type */ 1626 v4l2_std_id std; 1627 __u32 status; 1628 __u32 capabilities; 1629 __u32 reserved[3]; 1630 }; 1631 1632 /* Values for the 'type' field */ 1633 #define V4L2_INPUT_TYPE_TUNER 1 1634 #define V4L2_INPUT_TYPE_CAMERA 2 1635 #define V4L2_INPUT_TYPE_TOUCH 3 1636 1637 /* field 'status' - general */ 1638 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1639 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1640 #define V4L2_IN_ST_NO_COLOR 0x00000004 1641 1642 /* field 'status' - sensor orientation */ 1643 /* If sensor is mounted upside down set both bits */ 1644 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1645 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1646 1647 /* field 'status' - analog */ 1648 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1649 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1650 #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */ 1651 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */ 1652 1653 /* field 'status' - digital */ 1654 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1655 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1656 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1657 1658 /* field 'status' - VCR and set-top box */ 1659 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1660 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1661 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1662 1663 /* capabilities flags */ 1664 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1665 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1666 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1667 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1668 1669 /* 1670 * V I D E O O U T P U T S 1671 */ 1672 struct v4l2_output { 1673 __u32 index; /* Which output */ 1674 __u8 name[32]; /* Label */ 1675 __u32 type; /* Type of output */ 1676 __u32 audioset; /* Associated audios (bitfield) */ 1677 __u32 modulator; /* Associated modulator */ 1678 v4l2_std_id std; 1679 __u32 capabilities; 1680 __u32 reserved[3]; 1681 }; 1682 /* Values for the 'type' field */ 1683 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1684 #define V4L2_OUTPUT_TYPE_ANALOG 2 1685 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1686 1687 /* capabilities flags */ 1688 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1689 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1690 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1691 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1692 1693 /* 1694 * C O N T R O L S 1695 */ 1696 struct v4l2_control { 1697 __u32 id; 1698 __s32 value; 1699 }; 1700 1701 struct v4l2_ext_control { 1702 __u32 id; 1703 __u32 size; 1704 __u32 reserved2[1]; 1705 union { 1706 __s32 value; 1707 __s64 value64; 1708 char __user *string; 1709 __u8 __user *p_u8; 1710 __u16 __user *p_u16; 1711 __u32 __user *p_u32; 1712 struct v4l2_area __user *p_area; 1713 void __user *ptr; 1714 }; 1715 } __attribute__ ((packed)); 1716 1717 struct v4l2_ext_controls { 1718 union { 1719 #ifndef __KERNEL__ 1720 __u32 ctrl_class; 1721 #endif 1722 __u32 which; 1723 }; 1724 __u32 count; 1725 __u32 error_idx; 1726 __s32 request_fd; 1727 __u32 reserved[1]; 1728 struct v4l2_ext_control *controls; 1729 }; 1730 1731 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1732 #ifndef __KERNEL__ 1733 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1734 #endif 1735 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL) 1736 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1737 #define V4L2_CTRL_MAX_DIMS (4) 1738 #define V4L2_CTRL_WHICH_CUR_VAL 0 1739 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000 1740 #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000 1741 1742 enum v4l2_ctrl_type { 1743 V4L2_CTRL_TYPE_INTEGER = 1, 1744 V4L2_CTRL_TYPE_BOOLEAN = 2, 1745 V4L2_CTRL_TYPE_MENU = 3, 1746 V4L2_CTRL_TYPE_BUTTON = 4, 1747 V4L2_CTRL_TYPE_INTEGER64 = 5, 1748 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1749 V4L2_CTRL_TYPE_STRING = 7, 1750 V4L2_CTRL_TYPE_BITMASK = 8, 1751 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1752 1753 /* Compound types are >= 0x0100 */ 1754 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1755 V4L2_CTRL_TYPE_U8 = 0x0100, 1756 V4L2_CTRL_TYPE_U16 = 0x0101, 1757 V4L2_CTRL_TYPE_U32 = 0x0102, 1758 V4L2_CTRL_TYPE_AREA = 0x0106, 1759 }; 1760 1761 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1762 struct v4l2_queryctrl { 1763 __u32 id; 1764 __u32 type; /* enum v4l2_ctrl_type */ 1765 __u8 name[32]; /* Whatever */ 1766 __s32 minimum; /* Note signedness */ 1767 __s32 maximum; 1768 __s32 step; 1769 __s32 default_value; 1770 __u32 flags; 1771 __u32 reserved[2]; 1772 }; 1773 1774 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1775 struct v4l2_query_ext_ctrl { 1776 __u32 id; 1777 __u32 type; 1778 char name[32]; 1779 __s64 minimum; 1780 __s64 maximum; 1781 __u64 step; 1782 __s64 default_value; 1783 __u32 flags; 1784 __u32 elem_size; 1785 __u32 elems; 1786 __u32 nr_of_dims; 1787 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1788 __u32 reserved[32]; 1789 }; 1790 1791 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1792 struct v4l2_querymenu { 1793 __u32 id; 1794 __u32 index; 1795 union { 1796 __u8 name[32]; /* Whatever */ 1797 __s64 value; 1798 }; 1799 __u32 reserved; 1800 } __attribute__ ((packed)); 1801 1802 /* Control flags */ 1803 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1804 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1805 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1806 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1807 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1808 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1809 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1810 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1811 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1812 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 1813 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400 1814 1815 /* Query flags, to be ORed with the control ID */ 1816 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1817 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1818 1819 /* User-class control IDs defined by V4L2 */ 1820 #define V4L2_CID_MAX_CTRLS 1024 1821 /* IDs reserved for driver specific controls */ 1822 #define V4L2_CID_PRIVATE_BASE 0x08000000 1823 1824 1825 /* 1826 * T U N I N G 1827 */ 1828 struct v4l2_tuner { 1829 __u32 index; 1830 __u8 name[32]; 1831 __u32 type; /* enum v4l2_tuner_type */ 1832 __u32 capability; 1833 __u32 rangelow; 1834 __u32 rangehigh; 1835 __u32 rxsubchans; 1836 __u32 audmode; 1837 __s32 signal; 1838 __s32 afc; 1839 __u32 reserved[4]; 1840 }; 1841 1842 struct v4l2_modulator { 1843 __u32 index; 1844 __u8 name[32]; 1845 __u32 capability; 1846 __u32 rangelow; 1847 __u32 rangehigh; 1848 __u32 txsubchans; 1849 __u32 type; /* enum v4l2_tuner_type */ 1850 __u32 reserved[3]; 1851 }; 1852 1853 /* Flags for the 'capability' field */ 1854 #define V4L2_TUNER_CAP_LOW 0x0001 1855 #define V4L2_TUNER_CAP_NORM 0x0002 1856 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1857 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1858 #define V4L2_TUNER_CAP_STEREO 0x0010 1859 #define V4L2_TUNER_CAP_LANG2 0x0020 1860 #define V4L2_TUNER_CAP_SAP 0x0020 1861 #define V4L2_TUNER_CAP_LANG1 0x0040 1862 #define V4L2_TUNER_CAP_RDS 0x0080 1863 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1864 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1865 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1866 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1867 #define V4L2_TUNER_CAP_1HZ 0x1000 1868 1869 /* Flags for the 'rxsubchans' field */ 1870 #define V4L2_TUNER_SUB_MONO 0x0001 1871 #define V4L2_TUNER_SUB_STEREO 0x0002 1872 #define V4L2_TUNER_SUB_LANG2 0x0004 1873 #define V4L2_TUNER_SUB_SAP 0x0004 1874 #define V4L2_TUNER_SUB_LANG1 0x0008 1875 #define V4L2_TUNER_SUB_RDS 0x0010 1876 1877 /* Values for the 'audmode' field */ 1878 #define V4L2_TUNER_MODE_MONO 0x0000 1879 #define V4L2_TUNER_MODE_STEREO 0x0001 1880 #define V4L2_TUNER_MODE_LANG2 0x0002 1881 #define V4L2_TUNER_MODE_SAP 0x0002 1882 #define V4L2_TUNER_MODE_LANG1 0x0003 1883 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1884 1885 struct v4l2_frequency { 1886 __u32 tuner; 1887 __u32 type; /* enum v4l2_tuner_type */ 1888 __u32 frequency; 1889 __u32 reserved[8]; 1890 }; 1891 1892 #define V4L2_BAND_MODULATION_VSB (1 << 1) 1893 #define V4L2_BAND_MODULATION_FM (1 << 2) 1894 #define V4L2_BAND_MODULATION_AM (1 << 3) 1895 1896 struct v4l2_frequency_band { 1897 __u32 tuner; 1898 __u32 type; /* enum v4l2_tuner_type */ 1899 __u32 index; 1900 __u32 capability; 1901 __u32 rangelow; 1902 __u32 rangehigh; 1903 __u32 modulation; 1904 __u32 reserved[9]; 1905 }; 1906 1907 struct v4l2_hw_freq_seek { 1908 __u32 tuner; 1909 __u32 type; /* enum v4l2_tuner_type */ 1910 __u32 seek_upward; 1911 __u32 wrap_around; 1912 __u32 spacing; 1913 __u32 rangelow; 1914 __u32 rangehigh; 1915 __u32 reserved[5]; 1916 }; 1917 1918 /* 1919 * R D S 1920 */ 1921 1922 struct v4l2_rds_data { 1923 __u8 lsb; 1924 __u8 msb; 1925 __u8 block; 1926 } __attribute__ ((packed)); 1927 1928 #define V4L2_RDS_BLOCK_MSK 0x7 1929 #define V4L2_RDS_BLOCK_A 0 1930 #define V4L2_RDS_BLOCK_B 1 1931 #define V4L2_RDS_BLOCK_C 2 1932 #define V4L2_RDS_BLOCK_D 3 1933 #define V4L2_RDS_BLOCK_C_ALT 4 1934 #define V4L2_RDS_BLOCK_INVALID 7 1935 1936 #define V4L2_RDS_BLOCK_CORRECTED 0x40 1937 #define V4L2_RDS_BLOCK_ERROR 0x80 1938 1939 /* 1940 * A U D I O 1941 */ 1942 struct v4l2_audio { 1943 __u32 index; 1944 __u8 name[32]; 1945 __u32 capability; 1946 __u32 mode; 1947 __u32 reserved[2]; 1948 }; 1949 1950 /* Flags for the 'capability' field */ 1951 #define V4L2_AUDCAP_STEREO 0x00001 1952 #define V4L2_AUDCAP_AVL 0x00002 1953 1954 /* Flags for the 'mode' field */ 1955 #define V4L2_AUDMODE_AVL 0x00001 1956 1957 struct v4l2_audioout { 1958 __u32 index; 1959 __u8 name[32]; 1960 __u32 capability; 1961 __u32 mode; 1962 __u32 reserved[2]; 1963 }; 1964 1965 /* 1966 * M P E G S E R V I C E S 1967 */ 1968 #if 1 1969 #define V4L2_ENC_IDX_FRAME_I (0) 1970 #define V4L2_ENC_IDX_FRAME_P (1) 1971 #define V4L2_ENC_IDX_FRAME_B (2) 1972 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 1973 1974 struct v4l2_enc_idx_entry { 1975 __u64 offset; 1976 __u64 pts; 1977 __u32 length; 1978 __u32 flags; 1979 __u32 reserved[2]; 1980 }; 1981 1982 #define V4L2_ENC_IDX_ENTRIES (64) 1983 struct v4l2_enc_idx { 1984 __u32 entries; 1985 __u32 entries_cap; 1986 __u32 reserved[4]; 1987 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 1988 }; 1989 1990 1991 #define V4L2_ENC_CMD_START (0) 1992 #define V4L2_ENC_CMD_STOP (1) 1993 #define V4L2_ENC_CMD_PAUSE (2) 1994 #define V4L2_ENC_CMD_RESUME (3) 1995 1996 /* Flags for V4L2_ENC_CMD_STOP */ 1997 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 1998 1999 struct v4l2_encoder_cmd { 2000 __u32 cmd; 2001 __u32 flags; 2002 union { 2003 struct { 2004 __u32 data[8]; 2005 } raw; 2006 }; 2007 }; 2008 2009 /* Decoder commands */ 2010 #define V4L2_DEC_CMD_START (0) 2011 #define V4L2_DEC_CMD_STOP (1) 2012 #define V4L2_DEC_CMD_PAUSE (2) 2013 #define V4L2_DEC_CMD_RESUME (3) 2014 #define V4L2_DEC_CMD_FLUSH (4) 2015 2016 /* Flags for V4L2_DEC_CMD_START */ 2017 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 2018 2019 /* Flags for V4L2_DEC_CMD_PAUSE */ 2020 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 2021 2022 /* Flags for V4L2_DEC_CMD_STOP */ 2023 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 2024 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 2025 2026 /* Play format requirements (returned by the driver): */ 2027 2028 /* The decoder has no special format requirements */ 2029 #define V4L2_DEC_START_FMT_NONE (0) 2030 /* The decoder requires full GOPs */ 2031 #define V4L2_DEC_START_FMT_GOP (1) 2032 2033 /* The structure must be zeroed before use by the application 2034 This ensures it can be extended safely in the future. */ 2035 struct v4l2_decoder_cmd { 2036 __u32 cmd; 2037 __u32 flags; 2038 union { 2039 struct { 2040 __u64 pts; 2041 } stop; 2042 2043 struct { 2044 /* 0 or 1000 specifies normal speed, 2045 1 specifies forward single stepping, 2046 -1 specifies backward single stepping, 2047 >1: playback at speed/1000 of the normal speed, 2048 <-1: reverse playback at (-speed/1000) of the normal speed. */ 2049 __s32 speed; 2050 __u32 format; 2051 } start; 2052 2053 struct { 2054 __u32 data[16]; 2055 } raw; 2056 }; 2057 }; 2058 #endif 2059 2060 2061 /* 2062 * D A T A S E R V I C E S ( V B I ) 2063 * 2064 * Data services API by Michael Schimek 2065 */ 2066 2067 /* Raw VBI */ 2068 struct v4l2_vbi_format { 2069 __u32 sampling_rate; /* in 1 Hz */ 2070 __u32 offset; 2071 __u32 samples_per_line; 2072 __u32 sample_format; /* V4L2_PIX_FMT_* */ 2073 __s32 start[2]; 2074 __u32 count[2]; 2075 __u32 flags; /* V4L2_VBI_* */ 2076 __u32 reserved[2]; /* must be zero */ 2077 }; 2078 2079 /* VBI flags */ 2080 #define V4L2_VBI_UNSYNC (1 << 0) 2081 #define V4L2_VBI_INTERLACED (1 << 1) 2082 2083 /* ITU-R start lines for each field */ 2084 #define V4L2_VBI_ITU_525_F1_START (1) 2085 #define V4L2_VBI_ITU_525_F2_START (264) 2086 #define V4L2_VBI_ITU_625_F1_START (1) 2087 #define V4L2_VBI_ITU_625_F2_START (314) 2088 2089 /* Sliced VBI 2090 * 2091 * This implements is a proposal V4L2 API to allow SLICED VBI 2092 * required for some hardware encoders. It should change without 2093 * notice in the definitive implementation. 2094 */ 2095 2096 struct v4l2_sliced_vbi_format { 2097 __u16 service_set; 2098 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2099 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2100 (equals frame lines 313-336 for 625 line video 2101 standards, 263-286 for 525 line standards) */ 2102 __u16 service_lines[2][24]; 2103 __u32 io_size; 2104 __u32 reserved[2]; /* must be zero */ 2105 }; 2106 2107 /* Teletext World System Teletext 2108 (WST), defined on ITU-R BT.653-2 */ 2109 #define V4L2_SLICED_TELETEXT_B (0x0001) 2110 /* Video Program System, defined on ETS 300 231*/ 2111 #define V4L2_SLICED_VPS (0x0400) 2112 /* Closed Caption, defined on EIA-608 */ 2113 #define V4L2_SLICED_CAPTION_525 (0x1000) 2114 /* Wide Screen System, defined on ITU-R BT1119.1 */ 2115 #define V4L2_SLICED_WSS_625 (0x4000) 2116 2117 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 2118 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 2119 2120 struct v4l2_sliced_vbi_cap { 2121 __u16 service_set; 2122 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2123 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2124 (equals frame lines 313-336 for 625 line video 2125 standards, 263-286 for 525 line standards) */ 2126 __u16 service_lines[2][24]; 2127 __u32 type; /* enum v4l2_buf_type */ 2128 __u32 reserved[3]; /* must be 0 */ 2129 }; 2130 2131 struct v4l2_sliced_vbi_data { 2132 __u32 id; 2133 __u32 field; /* 0: first field, 1: second field */ 2134 __u32 line; /* 1-23 */ 2135 __u32 reserved; /* must be 0 */ 2136 __u8 data[48]; 2137 }; 2138 2139 /* 2140 * Sliced VBI data inserted into MPEG Streams 2141 */ 2142 2143 /* 2144 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 2145 * 2146 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 2147 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 2148 * data 2149 * 2150 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 2151 * definitions are not included here. See the MPEG-2 specifications for details 2152 * on these headers. 2153 */ 2154 2155 /* Line type IDs */ 2156 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 2157 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 2158 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 2159 #define V4L2_MPEG_VBI_IVTV_VPS (7) 2160 2161 struct v4l2_mpeg_vbi_itv0_line { 2162 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 2163 __u8 data[42]; /* Sliced VBI data for the line */ 2164 } __attribute__ ((packed)); 2165 2166 struct v4l2_mpeg_vbi_itv0 { 2167 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 2168 struct v4l2_mpeg_vbi_itv0_line line[35]; 2169 } __attribute__ ((packed)); 2170 2171 struct v4l2_mpeg_vbi_ITV0 { 2172 struct v4l2_mpeg_vbi_itv0_line line[36]; 2173 } __attribute__ ((packed)); 2174 2175 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 2176 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 2177 2178 struct v4l2_mpeg_vbi_fmt_ivtv { 2179 __u8 magic[4]; 2180 union { 2181 struct v4l2_mpeg_vbi_itv0 itv0; 2182 struct v4l2_mpeg_vbi_ITV0 ITV0; 2183 }; 2184 } __attribute__ ((packed)); 2185 2186 /* 2187 * A G G R E G A T E S T R U C T U R E S 2188 */ 2189 2190 /** 2191 * struct v4l2_plane_pix_format - additional, per-plane format definition 2192 * @sizeimage: maximum size in bytes required for data, for which 2193 * this plane will be used 2194 * @bytesperline: distance in bytes between the leftmost pixels in two 2195 * adjacent lines 2196 */ 2197 struct v4l2_plane_pix_format { 2198 __u32 sizeimage; 2199 __u32 bytesperline; 2200 __u16 reserved[6]; 2201 } __attribute__ ((packed)); 2202 2203 /** 2204 * struct v4l2_pix_format_mplane - multiplanar format definition 2205 * @width: image width in pixels 2206 * @height: image height in pixels 2207 * @pixelformat: little endian four character code (fourcc) 2208 * @field: enum v4l2_field; field order (for interlaced video) 2209 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 2210 * @plane_fmt: per-plane information 2211 * @num_planes: number of planes for this format 2212 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 2213 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding 2214 * @quantization: enum v4l2_quantization, colorspace quantization 2215 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function 2216 */ 2217 struct v4l2_pix_format_mplane { 2218 __u32 width; 2219 __u32 height; 2220 __u32 pixelformat; 2221 __u32 field; 2222 __u32 colorspace; 2223 2224 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 2225 __u8 num_planes; 2226 __u8 flags; 2227 union { 2228 __u8 ycbcr_enc; 2229 __u8 hsv_enc; 2230 }; 2231 __u8 quantization; 2232 __u8 xfer_func; 2233 __u8 reserved[7]; 2234 } __attribute__ ((packed)); 2235 2236 /** 2237 * struct v4l2_sdr_format - SDR format definition 2238 * @pixelformat: little endian four character code (fourcc) 2239 * @buffersize: maximum size in bytes required for data 2240 */ 2241 struct v4l2_sdr_format { 2242 __u32 pixelformat; 2243 __u32 buffersize; 2244 __u8 reserved[24]; 2245 } __attribute__ ((packed)); 2246 2247 /** 2248 * struct v4l2_meta_format - metadata format definition 2249 * @dataformat: little endian four character code (fourcc) 2250 * @buffersize: maximum size in bytes required for data 2251 */ 2252 struct v4l2_meta_format { 2253 __u32 dataformat; 2254 __u32 buffersize; 2255 } __attribute__ ((packed)); 2256 2257 /** 2258 * struct v4l2_format - stream data format 2259 * @type: enum v4l2_buf_type; type of the data stream 2260 * @pix: definition of an image format 2261 * @pix_mp: definition of a multiplanar image format 2262 * @win: definition of an overlaid image 2263 * @vbi: raw VBI capture or output parameters 2264 * @sliced: sliced VBI capture or output parameters 2265 * @raw_data: placeholder for future extensions and custom formats 2266 */ 2267 struct v4l2_format { 2268 __u32 type; 2269 union { 2270 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 2271 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 2272 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 2273 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 2274 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 2275 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 2276 struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */ 2277 __u8 raw_data[200]; /* user-defined */ 2278 } fmt; 2279 }; 2280 2281 /* Stream type-dependent parameters 2282 */ 2283 struct v4l2_streamparm { 2284 __u32 type; /* enum v4l2_buf_type */ 2285 union { 2286 struct v4l2_captureparm capture; 2287 struct v4l2_outputparm output; 2288 __u8 raw_data[200]; /* user-defined */ 2289 } parm; 2290 }; 2291 2292 /* 2293 * E V E N T S 2294 */ 2295 2296 #define V4L2_EVENT_ALL 0 2297 #define V4L2_EVENT_VSYNC 1 2298 #define V4L2_EVENT_EOS 2 2299 #define V4L2_EVENT_CTRL 3 2300 #define V4L2_EVENT_FRAME_SYNC 4 2301 #define V4L2_EVENT_SOURCE_CHANGE 5 2302 #define V4L2_EVENT_MOTION_DET 6 2303 #define V4L2_EVENT_PRIVATE_START 0x08000000 2304 2305 /* Payload for V4L2_EVENT_VSYNC */ 2306 struct v4l2_event_vsync { 2307 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 2308 __u8 field; 2309 } __attribute__ ((packed)); 2310 2311 /* Payload for V4L2_EVENT_CTRL */ 2312 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 2313 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 2314 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 2315 2316 struct v4l2_event_ctrl { 2317 __u32 changes; 2318 __u32 type; 2319 union { 2320 __s32 value; 2321 __s64 value64; 2322 }; 2323 __u32 flags; 2324 __s32 minimum; 2325 __s32 maximum; 2326 __s32 step; 2327 __s32 default_value; 2328 }; 2329 2330 struct v4l2_event_frame_sync { 2331 __u32 frame_sequence; 2332 }; 2333 2334 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 2335 2336 struct v4l2_event_src_change { 2337 __u32 changes; 2338 }; 2339 2340 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 2341 2342 /** 2343 * struct v4l2_event_motion_det - motion detection event 2344 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 2345 * frame_sequence field is valid. 2346 * @frame_sequence: the frame sequence number associated with this event. 2347 * @region_mask: which regions detected motion. 2348 */ 2349 struct v4l2_event_motion_det { 2350 __u32 flags; 2351 __u32 frame_sequence; 2352 __u32 region_mask; 2353 }; 2354 2355 struct v4l2_event { 2356 __u32 type; 2357 union { 2358 struct v4l2_event_vsync vsync; 2359 struct v4l2_event_ctrl ctrl; 2360 struct v4l2_event_frame_sync frame_sync; 2361 struct v4l2_event_src_change src_change; 2362 struct v4l2_event_motion_det motion_det; 2363 __u8 data[64]; 2364 } u; 2365 __u32 pending; 2366 __u32 sequence; 2367 #ifdef __KERNEL__ 2368 struct __kernel_timespec timestamp; 2369 #else 2370 struct timespec timestamp; 2371 #endif 2372 __u32 id; 2373 __u32 reserved[8]; 2374 }; 2375 2376 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2377 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2378 2379 struct v4l2_event_subscription { 2380 __u32 type; 2381 __u32 id; 2382 __u32 flags; 2383 __u32 reserved[5]; 2384 }; 2385 2386 /* 2387 * A D V A N C E D D E B U G G I N G 2388 * 2389 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2390 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2391 */ 2392 2393 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2394 2395 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2396 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2397 2398 /* The following four defines are no longer in use */ 2399 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2400 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2401 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2402 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2403 2404 struct v4l2_dbg_match { 2405 __u32 type; /* Match type */ 2406 union { /* Match this chip, meaning determined by type */ 2407 __u32 addr; 2408 char name[32]; 2409 }; 2410 } __attribute__ ((packed)); 2411 2412 struct v4l2_dbg_register { 2413 struct v4l2_dbg_match match; 2414 __u32 size; /* register size in bytes */ 2415 __u64 reg; 2416 __u64 val; 2417 } __attribute__ ((packed)); 2418 2419 #define V4L2_CHIP_FL_READABLE (1 << 0) 2420 #define V4L2_CHIP_FL_WRITABLE (1 << 1) 2421 2422 /* VIDIOC_DBG_G_CHIP_INFO */ 2423 struct v4l2_dbg_chip_info { 2424 struct v4l2_dbg_match match; 2425 char name[32]; 2426 __u32 flags; 2427 __u32 reserved[32]; 2428 } __attribute__ ((packed)); 2429 2430 /** 2431 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2432 * @index: on return, index of the first created buffer 2433 * @count: entry: number of requested buffers, 2434 * return: number of created buffers 2435 * @memory: enum v4l2_memory; buffer memory type 2436 * @format: frame format, for which buffers are requested 2437 * @capabilities: capabilities of this buffer type. 2438 * @reserved: future extensions 2439 */ 2440 struct v4l2_create_buffers { 2441 __u32 index; 2442 __u32 count; 2443 __u32 memory; 2444 struct v4l2_format format; 2445 __u32 capabilities; 2446 __u32 reserved[7]; 2447 }; 2448 2449 /* 2450 * 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 2451 * 2452 */ 2453 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2454 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2455 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2456 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2457 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2458 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2459 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2460 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2461 #define VIDIOC_OVERLAY _IOW('V', 14, int) 2462 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2463 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2464 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2465 #define VIDIOC_STREAMON _IOW('V', 18, int) 2466 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 2467 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2468 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2469 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2470 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2471 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2472 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2473 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2474 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2475 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2476 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2477 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2478 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2479 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2480 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2481 #define VIDIOC_G_INPUT _IOR('V', 38, int) 2482 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 2483 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2484 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2485 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2486 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2487 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2488 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2489 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2490 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2491 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2492 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2493 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2494 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2495 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2496 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2497 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2498 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2499 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2500 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2501 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2502 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2503 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2504 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2505 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2506 #define VIDIOC_LOG_STATUS _IO('V', 70) 2507 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2508 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2509 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2510 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2511 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2512 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2513 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2514 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2515 2516 /* 2517 * Experimental, meant for debugging, testing and internal use. 2518 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2519 * You must be root to use these ioctls. Never use these in applications! 2520 */ 2521 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2522 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2523 2524 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2525 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2526 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2527 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2528 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2529 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2530 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2531 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2532 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2533 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2534 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2535 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2536 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2537 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2538 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2539 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2540 2541 /* 2542 * Experimental, meant for debugging, testing and internal use. 2543 * Never use this in applications! 2544 */ 2545 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2546 2547 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2548 2549 /* Reminder: when adding new ioctls please add support for them to 2550 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */ 2551 2552 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2553 2554 #endif /* _UAPI__LINUX_VIDEODEV2_H */ 2555