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 <[email protected]> 53 * Justin Schoeman 54 * Hans Verkuil <[email protected]> 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 #define V4L2_TYPE_IS_CAPTURE(type) (!V4L2_TYPE_IS_OUTPUT(type)) 175 176 enum v4l2_tuner_type { 177 V4L2_TUNER_RADIO = 1, 178 V4L2_TUNER_ANALOG_TV = 2, 179 V4L2_TUNER_DIGITAL_TV = 3, 180 V4L2_TUNER_SDR = 4, 181 V4L2_TUNER_RF = 5, 182 }; 183 184 /* Deprecated, do not use */ 185 #define V4L2_TUNER_ADC V4L2_TUNER_SDR 186 187 enum v4l2_memory { 188 V4L2_MEMORY_MMAP = 1, 189 V4L2_MEMORY_USERPTR = 2, 190 V4L2_MEMORY_OVERLAY = 3, 191 V4L2_MEMORY_DMABUF = 4, 192 }; 193 194 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 195 enum v4l2_colorspace { 196 /* 197 * Default colorspace, i.e. let the driver figure it out. 198 * Can only be used with video capture. 199 */ 200 V4L2_COLORSPACE_DEFAULT = 0, 201 202 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */ 203 V4L2_COLORSPACE_SMPTE170M = 1, 204 205 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */ 206 V4L2_COLORSPACE_SMPTE240M = 2, 207 208 /* Rec.709: used for HDTV */ 209 V4L2_COLORSPACE_REC709 = 3, 210 211 /* 212 * Deprecated, do not use. No driver will ever return this. This was 213 * based on a misunderstanding of the bt878 datasheet. 214 */ 215 V4L2_COLORSPACE_BT878 = 4, 216 217 /* 218 * NTSC 1953 colorspace. This only makes sense when dealing with 219 * really, really old NTSC recordings. Superseded by SMPTE 170M. 220 */ 221 V4L2_COLORSPACE_470_SYSTEM_M = 5, 222 223 /* 224 * EBU Tech 3213 PAL/SECAM colorspace. 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. 375 * For Y'CbCr the quantization is always limited range, except 376 * 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. 386 * The Y'CbCr encoding is not used anymore, but is still there for backwards 387 * compatibility. 388 */ 389 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \ 390 (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \ 391 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE) 392 393 /* 394 * Deprecated names for opRGB colorspace (IEC 61966-2-5) 395 * 396 * WARNING: Please don't use these deprecated defines in your code, as 397 * there is a chance we have to remove them in the future. 398 */ 399 #ifndef __KERNEL__ 400 #define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB 401 #define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB 402 #endif 403 404 enum v4l2_priority { 405 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 406 V4L2_PRIORITY_BACKGROUND = 1, 407 V4L2_PRIORITY_INTERACTIVE = 2, 408 V4L2_PRIORITY_RECORD = 3, 409 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 410 }; 411 412 struct v4l2_rect { 413 __s32 left; 414 __s32 top; 415 __u32 width; 416 __u32 height; 417 }; 418 419 struct v4l2_fract { 420 __u32 numerator; 421 __u32 denominator; 422 }; 423 424 struct v4l2_area { 425 __u32 width; 426 __u32 height; 427 }; 428 429 /** 430 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 431 * 432 * @driver: name of the driver module (e.g. "bttv") 433 * @card: name of the card (e.g. "Hauppauge WinTV") 434 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 435 * @version: KERNEL_VERSION 436 * @capabilities: capabilities of the physical device as a whole 437 * @device_caps: capabilities accessed via this particular device (node) 438 * @reserved: reserved fields for future extensions 439 */ 440 struct v4l2_capability { 441 __u8 driver[16]; 442 __u8 card[32]; 443 __u8 bus_info[32]; 444 __u32 version; 445 __u32 capabilities; 446 __u32 device_caps; 447 __u32 reserved[3]; 448 }; 449 450 /* Values for 'capabilities' field */ 451 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 452 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 453 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 454 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 455 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 456 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 457 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 458 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 459 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 460 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 461 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 462 463 /* Is a video capture device that supports multiplanar formats */ 464 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 465 /* Is a video output device that supports multiplanar formats */ 466 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 467 /* Is a video mem-to-mem device that supports multiplanar formats */ 468 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 469 /* Is a video mem-to-mem device */ 470 #define V4L2_CAP_VIDEO_M2M 0x00008000 471 472 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 473 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 474 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 475 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 476 477 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */ 478 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */ 479 #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */ 480 #define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */ 481 482 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 483 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 484 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 485 #define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */ 486 487 #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */ 488 489 #define V4L2_CAP_IO_MC 0x20000000 /* Is input/output controlled by the media controller */ 490 491 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 492 493 /* 494 * V I D E O I M A G E F O R M A T 495 */ 496 struct v4l2_pix_format { 497 __u32 width; 498 __u32 height; 499 __u32 pixelformat; 500 __u32 field; /* enum v4l2_field */ 501 __u32 bytesperline; /* for padding, zero if unused */ 502 __u32 sizeimage; 503 __u32 colorspace; /* enum v4l2_colorspace */ 504 __u32 priv; /* private data, depends on pixelformat */ 505 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ 506 union { 507 /* enum v4l2_ycbcr_encoding */ 508 __u32 ycbcr_enc; 509 /* enum v4l2_hsv_encoding */ 510 __u32 hsv_enc; 511 }; 512 __u32 quantization; /* enum v4l2_quantization */ 513 __u32 xfer_func; /* enum v4l2_xfer_func */ 514 }; 515 516 /* Pixel format FOURCC depth Description */ 517 518 /* RGB formats */ 519 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 520 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 521 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */ 522 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */ 523 #define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2') /* 16 rrrrgggg bbbbaaaa */ 524 #define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16 rrrrgggg bbbbxxxx */ 525 #define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16 aaaabbbb ggggrrrr */ 526 #define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16 xxxxbbbb ggggrrrr */ 527 528 /* 529 * Originally this had 'BA12' as fourcc, but this clashed with the older 530 * V4L2_PIX_FMT_SGRBG12 which inexplicably used that same fourcc. 531 * So use 'GA12' instead for V4L2_PIX_FMT_BGRA444. 532 */ 533 #define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('G', 'A', '1', '2') /* 16 bbbbgggg rrrraaaa */ 534 #define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16 bbbbgggg rrrrxxxx */ 535 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 536 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */ 537 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */ 538 #define V4L2_PIX_FMT_RGBA555 v4l2_fourcc('R', 'A', '1', '5') /* 16 RGBA-5-5-5-1 */ 539 #define V4L2_PIX_FMT_RGBX555 v4l2_fourcc('R', 'X', '1', '5') /* 16 RGBX-5-5-5-1 */ 540 #define V4L2_PIX_FMT_ABGR555 v4l2_fourcc('A', 'B', '1', '5') /* 16 ABGR-1-5-5-5 */ 541 #define V4L2_PIX_FMT_XBGR555 v4l2_fourcc('X', 'B', '1', '5') /* 16 XBGR-1-5-5-5 */ 542 #define V4L2_PIX_FMT_BGRA555 v4l2_fourcc('B', 'A', '1', '5') /* 16 BGRA-5-5-5-1 */ 543 #define V4L2_PIX_FMT_BGRX555 v4l2_fourcc('B', 'X', '1', '5') /* 16 BGRX-5-5-5-1 */ 544 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 545 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 546 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */ 547 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */ 548 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 549 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 550 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 551 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 552 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 553 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */ 554 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */ 555 #define V4L2_PIX_FMT_BGRA32 v4l2_fourcc('R', 'A', '2', '4') /* 32 ABGR-8-8-8-8 */ 556 #define V4L2_PIX_FMT_BGRX32 v4l2_fourcc('R', 'X', '2', '4') /* 32 XBGR-8-8-8-8 */ 557 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 558 #define V4L2_PIX_FMT_RGBA32 v4l2_fourcc('A', 'B', '2', '4') /* 32 RGBA-8-8-8-8 */ 559 #define V4L2_PIX_FMT_RGBX32 v4l2_fourcc('X', 'B', '2', '4') /* 32 RGBX-8-8-8-8 */ 560 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */ 561 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */ 562 563 /* Grey formats */ 564 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 565 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 566 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 567 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 568 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 569 #define V4L2_PIX_FMT_Y14 v4l2_fourcc('Y', '1', '4', ' ') /* 14 Greyscale */ 570 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 571 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */ 572 573 /* Grey bit-packed formats */ 574 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 575 #define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */ 576 577 /* Palette formats */ 578 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 579 580 /* Chrominance formats */ 581 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 582 583 /* Luminance+Chrominance formats */ 584 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 585 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 586 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 587 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 588 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 589 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 590 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 591 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 592 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 593 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 594 #define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */ 595 #define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */ 596 #define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */ 597 #define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */ 598 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */ 599 #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */ 600 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 601 602 /* two planes -- one Y, one Cr + Cb interleaved */ 603 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 604 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 605 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 606 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 607 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 608 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 609 610 /* two non contiguous planes - one Y, one Cr + Cb interleaved */ 611 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 612 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 613 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ 614 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ 615 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */ 616 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */ 617 618 /* three planes - Y Cb, Cr */ 619 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 620 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 621 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */ 622 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 623 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 624 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 625 626 /* three non contiguous planes - Y, Cb, Cr */ 627 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 628 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 629 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */ 630 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */ 631 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */ 632 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */ 633 634 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 635 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 636 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 637 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 638 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 639 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 640 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 641 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 642 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 643 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ 644 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') 645 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') 646 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') 647 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') 648 /* 10bit raw bayer a-law compressed to 8 bits */ 649 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 650 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 651 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 652 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 653 /* 10bit raw bayer DPCM compressed to 8 bits */ 654 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 655 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 656 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 657 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 658 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 659 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 660 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 661 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 662 /* 12bit raw bayer packed, 6 bytes for every 4 pixels */ 663 #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C') 664 #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C') 665 #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C') 666 #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C') 667 #define V4L2_PIX_FMT_SBGGR14 v4l2_fourcc('B', 'G', '1', '4') /* 14 BGBG.. GRGR.. */ 668 #define V4L2_PIX_FMT_SGBRG14 v4l2_fourcc('G', 'B', '1', '4') /* 14 GBGB.. RGRG.. */ 669 #define V4L2_PIX_FMT_SGRBG14 v4l2_fourcc('G', 'R', '1', '4') /* 14 GRGR.. BGBG.. */ 670 #define V4L2_PIX_FMT_SRGGB14 v4l2_fourcc('R', 'G', '1', '4') /* 14 RGRG.. GBGB.. */ 671 /* 14bit raw bayer packed, 7 bytes for every 4 pixels */ 672 #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E') 673 #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E') 674 #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E') 675 #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E') 676 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 677 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */ 678 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */ 679 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */ 680 681 /* HSV formats */ 682 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3') 683 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4') 684 685 /* compressed formats */ 686 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 687 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 688 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 689 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 690 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 691 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 692 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 693 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 694 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 695 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 696 #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */ 697 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 698 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 699 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 700 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 701 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 702 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */ 703 #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */ 704 #define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */ 705 #define V4L2_PIX_FMT_FWHT_STATELESS v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */ 706 707 /* Vendor-specific formats */ 708 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 709 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 710 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 711 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 712 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 713 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 714 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 715 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 716 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 717 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 718 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 719 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 720 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 721 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 722 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 723 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 724 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 725 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 726 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 727 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 728 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 729 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 730 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 731 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 732 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 733 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 734 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */ 735 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */ 736 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */ 737 #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */ 738 #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */ 739 #define V4L2_PIX_FMT_SUNXI_TILED_NV12 v4l2_fourcc('S', 'T', '1', '2') /* Sunxi Tiled NV12 Format */ 740 #define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */ 741 742 /* 10bit raw bayer packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */ 743 #define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */ 744 #define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */ 745 #define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */ 746 #define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */ 747 748 /* SDR formats - used only for Software Defined Radio devices */ 749 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 750 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 751 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 752 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 753 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 754 #define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */ 755 #define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */ 756 #define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */ 757 758 /* Touch formats - used for Touch devices */ 759 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */ 760 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */ 761 #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */ 762 #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */ 763 764 /* Meta-data formats */ 765 #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */ 766 #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */ 767 #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */ 768 #define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */ 769 #define V4L2_META_FMT_VIVID v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */ 770 771 /* Vendor specific - used for RK_ISP1 camera sub-system */ 772 #define V4L2_META_FMT_RK_ISP1_PARAMS v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */ 773 #define V4L2_META_FMT_RK_ISP1_STAT_3A v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */ 774 775 /* priv field value to indicates that subsequent fields are valid. */ 776 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 777 778 /* Flags */ 779 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 780 #define V4L2_PIX_FMT_FLAG_SET_CSC 0x00000002 781 782 /* 783 * F O R M A T E N U M E R A T I O N 784 */ 785 struct v4l2_fmtdesc { 786 __u32 index; /* Format number */ 787 __u32 type; /* enum v4l2_buf_type */ 788 __u32 flags; 789 __u8 description[32]; /* Description string */ 790 __u32 pixelformat; /* Format fourcc */ 791 __u32 mbus_code; /* Media bus code */ 792 __u32 reserved[3]; 793 }; 794 795 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 796 #define V4L2_FMT_FLAG_EMULATED 0x0002 797 #define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM 0x0004 798 #define V4L2_FMT_FLAG_DYN_RESOLUTION 0x0008 799 #define V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL 0x0010 800 #define V4L2_FMT_FLAG_CSC_COLORSPACE 0x0020 801 #define V4L2_FMT_FLAG_CSC_XFER_FUNC 0x0040 802 #define V4L2_FMT_FLAG_CSC_YCBCR_ENC 0x0080 803 #define V4L2_FMT_FLAG_CSC_HSV_ENC V4L2_FMT_FLAG_CSC_YCBCR_ENC 804 #define V4L2_FMT_FLAG_CSC_QUANTIZATION 0x0100 805 806 /* Frame Size and frame rate enumeration */ 807 /* 808 * F R A M E S I Z E E N U M E R A T I O N 809 */ 810 enum v4l2_frmsizetypes { 811 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 812 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 813 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 814 }; 815 816 struct v4l2_frmsize_discrete { 817 __u32 width; /* Frame width [pixel] */ 818 __u32 height; /* Frame height [pixel] */ 819 }; 820 821 struct v4l2_frmsize_stepwise { 822 __u32 min_width; /* Minimum frame width [pixel] */ 823 __u32 max_width; /* Maximum frame width [pixel] */ 824 __u32 step_width; /* Frame width step size [pixel] */ 825 __u32 min_height; /* Minimum frame height [pixel] */ 826 __u32 max_height; /* Maximum frame height [pixel] */ 827 __u32 step_height; /* Frame height step size [pixel] */ 828 }; 829 830 struct v4l2_frmsizeenum { 831 __u32 index; /* Frame size number */ 832 __u32 pixel_format; /* Pixel format */ 833 __u32 type; /* Frame size type the device supports. */ 834 835 union { /* Frame size */ 836 struct v4l2_frmsize_discrete discrete; 837 struct v4l2_frmsize_stepwise stepwise; 838 }; 839 840 __u32 reserved[2]; /* Reserved space for future use */ 841 }; 842 843 /* 844 * F R A M E R A T E E N U M E R A T I O N 845 */ 846 enum v4l2_frmivaltypes { 847 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 848 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 849 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 850 }; 851 852 struct v4l2_frmival_stepwise { 853 struct v4l2_fract min; /* Minimum frame interval [s] */ 854 struct v4l2_fract max; /* Maximum frame interval [s] */ 855 struct v4l2_fract step; /* Frame interval step size [s] */ 856 }; 857 858 struct v4l2_frmivalenum { 859 __u32 index; /* Frame format index */ 860 __u32 pixel_format; /* Pixel format */ 861 __u32 width; /* Frame width */ 862 __u32 height; /* Frame height */ 863 __u32 type; /* Frame interval type the device supports. */ 864 865 union { /* Frame interval */ 866 struct v4l2_fract discrete; 867 struct v4l2_frmival_stepwise stepwise; 868 }; 869 870 __u32 reserved[2]; /* Reserved space for future use */ 871 }; 872 873 /* 874 * T I M E C O D E 875 */ 876 struct v4l2_timecode { 877 __u32 type; 878 __u32 flags; 879 __u8 frames; 880 __u8 seconds; 881 __u8 minutes; 882 __u8 hours; 883 __u8 userbits[4]; 884 }; 885 886 /* Type */ 887 #define V4L2_TC_TYPE_24FPS 1 888 #define V4L2_TC_TYPE_25FPS 2 889 #define V4L2_TC_TYPE_30FPS 3 890 #define V4L2_TC_TYPE_50FPS 4 891 #define V4L2_TC_TYPE_60FPS 5 892 893 /* Flags */ 894 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 895 #define V4L2_TC_FLAG_COLORFRAME 0x0002 896 #define V4L2_TC_USERBITS_field 0x000C 897 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 898 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 899 /* The above is based on SMPTE timecodes */ 900 901 struct v4l2_jpegcompression { 902 int quality; 903 904 int APPn; /* Number of APP segment to be written, 905 * must be 0..15 */ 906 int APP_len; /* Length of data in JPEG APPn segment */ 907 char APP_data[60]; /* Data in the JPEG APPn segment. */ 908 909 int COM_len; /* Length of data in JPEG COM segment */ 910 char COM_data[60]; /* Data in JPEG COM segment */ 911 912 __u32 jpeg_markers; /* Which markers should go into the JPEG 913 * output. Unless you exactly know what 914 * you do, leave them untouched. 915 * Including less markers will make the 916 * resulting code smaller, but there will 917 * be fewer applications which can read it. 918 * The presence of the APP and COM marker 919 * is influenced by APP_len and COM_len 920 * ONLY, not by this property! */ 921 922 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 923 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 924 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 925 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 926 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 927 * always use APP0 */ 928 }; 929 930 /* 931 * M E M O R Y - M A P P I N G B U F F E R S 932 */ 933 934 #ifdef __KERNEL__ 935 /* 936 * This corresponds to the user space version of timeval 937 * for 64-bit time_t. sparc64 is different from everyone 938 * else, using the microseconds in the wrong half of the 939 * second 64-bit word. 940 */ 941 struct __kernel_v4l2_timeval { 942 long long tv_sec; 943 #if defined(__sparc__) && defined(__arch64__) 944 int tv_usec; 945 int __pad; 946 #else 947 long long tv_usec; 948 #endif 949 }; 950 #endif 951 952 struct v4l2_requestbuffers { 953 __u32 count; 954 __u32 type; /* enum v4l2_buf_type */ 955 __u32 memory; /* enum v4l2_memory */ 956 __u32 capabilities; 957 __u32 reserved[1]; 958 }; 959 960 /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */ 961 #define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0) 962 #define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1) 963 #define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2) 964 #define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3) 965 #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4) 966 #define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5) 967 #define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS (1 << 6) 968 969 /** 970 * struct v4l2_plane - plane info for multi-planar buffers 971 * @bytesused: number of bytes occupied by data in the plane (payload) 972 * @length: size of this plane (NOT the payload) in bytes 973 * @mem_offset: when memory in the associated struct v4l2_buffer is 974 * V4L2_MEMORY_MMAP, equals the offset from the start of 975 * the device memory for this plane (or is a "cookie" that 976 * should be passed to mmap() called on the video node) 977 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 978 * pointing to this plane 979 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 980 * descriptor associated with this plane 981 * @data_offset: offset in the plane to the start of data; usually 0, 982 * unless there is a header in front of the data 983 * 984 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 985 * with two planes can have one plane for Y, and another for interleaved CbCr 986 * components. Each plane can reside in a separate memory buffer, or even in 987 * a completely separate memory node (e.g. in embedded devices). 988 */ 989 struct v4l2_plane { 990 __u32 bytesused; 991 __u32 length; 992 union { 993 __u32 mem_offset; 994 unsigned long userptr; 995 __s32 fd; 996 } m; 997 __u32 data_offset; 998 __u32 reserved[11]; 999 }; 1000 1001 /** 1002 * struct v4l2_buffer - video buffer info 1003 * @index: id number of the buffer 1004 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 1005 * multiplanar buffers); 1006 * @bytesused: number of bytes occupied by data in the buffer (payload); 1007 * unused (set to 0) for multiplanar buffers 1008 * @flags: buffer informational flags 1009 * @field: enum v4l2_field; field order of the image in the buffer 1010 * @timestamp: frame timestamp 1011 * @timecode: frame timecode 1012 * @sequence: sequence count of this frame 1013 * @memory: enum v4l2_memory; the method, in which the actual video data is 1014 * passed 1015 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 1016 * offset from the start of the device memory for this plane, 1017 * (or a "cookie" that should be passed to mmap() as offset) 1018 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 1019 * a userspace pointer pointing to this buffer 1020 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 1021 * a userspace file descriptor associated with this buffer 1022 * @planes: for multiplanar buffers; userspace pointer to the array of plane 1023 * info structs for this buffer 1024 * @length: size in bytes of the buffer (NOT its payload) for single-plane 1025 * buffers (when type != *_MPLANE); number of elements in the 1026 * planes array for multi-plane buffers 1027 * @request_fd: fd of the request that this buffer should use 1028 * 1029 * Contains data exchanged by application and driver using one of the Streaming 1030 * I/O methods. 1031 */ 1032 struct v4l2_buffer { 1033 __u32 index; 1034 __u32 type; 1035 __u32 bytesused; 1036 __u32 flags; 1037 __u32 field; 1038 #ifdef __KERNEL__ 1039 struct __kernel_v4l2_timeval timestamp; 1040 #else 1041 struct timeval timestamp; 1042 #endif 1043 struct v4l2_timecode timecode; 1044 __u32 sequence; 1045 1046 /* memory location */ 1047 __u32 memory; 1048 union { 1049 __u32 offset; 1050 unsigned long userptr; 1051 struct v4l2_plane *planes; 1052 __s32 fd; 1053 } m; 1054 __u32 length; 1055 __u32 reserved2; 1056 union { 1057 __s32 request_fd; 1058 __u32 reserved; 1059 }; 1060 }; 1061 1062 #ifndef __KERNEL__ 1063 /** 1064 * v4l2_timeval_to_ns - Convert timeval to nanoseconds 1065 * @ts: pointer to the timeval variable to be converted 1066 * 1067 * Returns the scalar nanosecond representation of the timeval 1068 * parameter. 1069 */ 1070 static inline __u64 v4l2_timeval_to_ns(const struct timeval *tv) 1071 { 1072 return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000; 1073 } 1074 #endif 1075 1076 /* Flags for 'flags' field */ 1077 /* Buffer is mapped (flag) */ 1078 #define V4L2_BUF_FLAG_MAPPED 0x00000001 1079 /* Buffer is queued for processing */ 1080 #define V4L2_BUF_FLAG_QUEUED 0x00000002 1081 /* Buffer is ready */ 1082 #define V4L2_BUF_FLAG_DONE 0x00000004 1083 /* Image is a keyframe (I-frame) */ 1084 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008 1085 /* Image is a P-frame */ 1086 #define V4L2_BUF_FLAG_PFRAME 0x00000010 1087 /* Image is a B-frame */ 1088 #define V4L2_BUF_FLAG_BFRAME 0x00000020 1089 /* Buffer is ready, but the data contained within is corrupted. */ 1090 #define V4L2_BUF_FLAG_ERROR 0x00000040 1091 /* Buffer is added to an unqueued request */ 1092 #define V4L2_BUF_FLAG_IN_REQUEST 0x00000080 1093 /* timecode field is valid */ 1094 #define V4L2_BUF_FLAG_TIMECODE 0x00000100 1095 /* Don't return the capture buffer until OUTPUT timestamp changes */ 1096 #define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF 0x00000200 1097 /* Buffer is prepared for queuing */ 1098 #define V4L2_BUF_FLAG_PREPARED 0x00000400 1099 /* Cache handling flags */ 1100 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 1101 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 1102 /* Timestamp type */ 1103 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 1104 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 1105 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 1106 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 1107 /* Timestamp sources. */ 1108 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 1109 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 1110 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 1111 /* mem2mem encoder/decoder */ 1112 #define V4L2_BUF_FLAG_LAST 0x00100000 1113 /* request_fd is valid */ 1114 #define V4L2_BUF_FLAG_REQUEST_FD 0x00800000 1115 1116 /** 1117 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 1118 * 1119 * @index: id number of the buffer 1120 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 1121 * multiplanar buffers); 1122 * @plane: index of the plane to be exported, 0 for single plane queues 1123 * @flags: flags for newly created file, currently only O_CLOEXEC is 1124 * supported, refer to manual of open syscall for more details 1125 * @fd: file descriptor associated with DMABUF (set by driver) 1126 * 1127 * Contains data used for exporting a video buffer as DMABUF file descriptor. 1128 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 1129 * (identical to the cookie used to mmap() the buffer to userspace). All 1130 * reserved fields must be set to zero. The field reserved0 is expected to 1131 * become a structure 'type' allowing an alternative layout of the structure 1132 * content. Therefore this field should not be used for any other extensions. 1133 */ 1134 struct v4l2_exportbuffer { 1135 __u32 type; /* enum v4l2_buf_type */ 1136 __u32 index; 1137 __u32 plane; 1138 __u32 flags; 1139 __s32 fd; 1140 __u32 reserved[11]; 1141 }; 1142 1143 /* 1144 * O V E R L A Y P R E V I E W 1145 */ 1146 struct v4l2_framebuffer { 1147 __u32 capability; 1148 __u32 flags; 1149 /* FIXME: in theory we should pass something like PCI device + memory 1150 * region + offset instead of some physical address */ 1151 void *base; 1152 struct { 1153 __u32 width; 1154 __u32 height; 1155 __u32 pixelformat; 1156 __u32 field; /* enum v4l2_field */ 1157 __u32 bytesperline; /* for padding, zero if unused */ 1158 __u32 sizeimage; 1159 __u32 colorspace; /* enum v4l2_colorspace */ 1160 __u32 priv; /* reserved field, set to 0 */ 1161 } fmt; 1162 }; 1163 /* Flags for the 'capability' field. Read only */ 1164 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 1165 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 1166 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 1167 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 1168 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 1169 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 1170 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 1171 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 1172 /* Flags for the 'flags' field. */ 1173 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 1174 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 1175 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 1176 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 1177 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 1178 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 1179 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 1180 1181 struct v4l2_clip { 1182 struct v4l2_rect c; 1183 struct v4l2_clip __user *next; 1184 }; 1185 1186 struct v4l2_window { 1187 struct v4l2_rect w; 1188 __u32 field; /* enum v4l2_field */ 1189 __u32 chromakey; 1190 struct v4l2_clip *clips; 1191 __u32 clipcount; 1192 void __user *bitmap; 1193 __u8 global_alpha; 1194 }; 1195 1196 /* 1197 * C A P T U R E P A R A M E T E R S 1198 */ 1199 struct v4l2_captureparm { 1200 __u32 capability; /* Supported modes */ 1201 __u32 capturemode; /* Current mode */ 1202 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1203 __u32 extendedmode; /* Driver-specific extensions */ 1204 __u32 readbuffers; /* # of buffers for read */ 1205 __u32 reserved[4]; 1206 }; 1207 1208 /* Flags for 'capability' and 'capturemode' fields */ 1209 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 1210 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 1211 1212 struct v4l2_outputparm { 1213 __u32 capability; /* Supported modes */ 1214 __u32 outputmode; /* Current mode */ 1215 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1216 __u32 extendedmode; /* Driver-specific extensions */ 1217 __u32 writebuffers; /* # of buffers for write */ 1218 __u32 reserved[4]; 1219 }; 1220 1221 /* 1222 * I N P U T I M A G E C R O P P I N G 1223 */ 1224 struct v4l2_cropcap { 1225 __u32 type; /* enum v4l2_buf_type */ 1226 struct v4l2_rect bounds; 1227 struct v4l2_rect defrect; 1228 struct v4l2_fract pixelaspect; 1229 }; 1230 1231 struct v4l2_crop { 1232 __u32 type; /* enum v4l2_buf_type */ 1233 struct v4l2_rect c; 1234 }; 1235 1236 /** 1237 * struct v4l2_selection - selection info 1238 * @type: buffer type (do not use *_MPLANE types) 1239 * @target: Selection target, used to choose one of possible rectangles; 1240 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 1241 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 1242 * @r: coordinates of selection window 1243 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 1244 * 1245 * Hardware may use multiple helper windows to process a video stream. 1246 * The structure is used to exchange this selection areas between 1247 * an application and a driver. 1248 */ 1249 struct v4l2_selection { 1250 __u32 type; 1251 __u32 target; 1252 __u32 flags; 1253 struct v4l2_rect r; 1254 __u32 reserved[9]; 1255 }; 1256 1257 1258 /* 1259 * A N A L O G V I D E O S T A N D A R D 1260 */ 1261 1262 typedef __u64 v4l2_std_id; 1263 1264 /* 1265 * Attention: Keep the V4L2_STD_* bit definitions in sync with 1266 * include/dt-bindings/display/sdtv-standards.h SDTV_STD_* bit definitions. 1267 */ 1268 /* one bit for each */ 1269 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 1270 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 1271 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 1272 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 1273 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 1274 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 1275 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 1276 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 1277 1278 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 1279 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 1280 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 1281 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 1282 1283 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 1284 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 1285 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 1286 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 1287 1288 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 1289 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 1290 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 1291 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 1292 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 1293 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 1294 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 1295 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 1296 1297 /* ATSC/HDTV */ 1298 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 1299 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 1300 1301 /* FIXME: 1302 Although std_id is 64 bits, there is an issue on PPC32 architecture that 1303 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 1304 this value to 32 bits. 1305 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 1306 it should work fine. However, if needed to add more than two standards, 1307 v4l2-common.c should be fixed. 1308 */ 1309 1310 /* 1311 * Some macros to merge video standards in order to make live easier for the 1312 * drivers and V4L2 applications 1313 */ 1314 1315 /* 1316 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 1317 * Missing here. 1318 */ 1319 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 1320 V4L2_STD_NTSC_M_JP |\ 1321 V4L2_STD_NTSC_M_KR) 1322 /* Secam macros */ 1323 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 1324 V4L2_STD_SECAM_K |\ 1325 V4L2_STD_SECAM_K1) 1326 /* All Secam Standards */ 1327 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 1328 V4L2_STD_SECAM_G |\ 1329 V4L2_STD_SECAM_H |\ 1330 V4L2_STD_SECAM_DK |\ 1331 V4L2_STD_SECAM_L |\ 1332 V4L2_STD_SECAM_LC) 1333 /* PAL macros */ 1334 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 1335 V4L2_STD_PAL_B1 |\ 1336 V4L2_STD_PAL_G) 1337 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1338 V4L2_STD_PAL_D1 |\ 1339 V4L2_STD_PAL_K) 1340 /* 1341 * "Common" PAL - This macro is there to be compatible with the old 1342 * V4L1 concept of "PAL": /BGDKHI. 1343 * Several PAL standards are missing here: /M, /N and /Nc 1344 */ 1345 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1346 V4L2_STD_PAL_DK |\ 1347 V4L2_STD_PAL_H |\ 1348 V4L2_STD_PAL_I) 1349 /* Chroma "agnostic" standards */ 1350 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 1351 V4L2_STD_PAL_B1 |\ 1352 V4L2_STD_SECAM_B) 1353 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 1354 V4L2_STD_SECAM_G) 1355 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 1356 V4L2_STD_SECAM_H) 1357 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1358 V4L2_STD_SECAM_LC) 1359 #define V4L2_STD_GH (V4L2_STD_G |\ 1360 V4L2_STD_H) 1361 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1362 V4L2_STD_SECAM_DK) 1363 #define V4L2_STD_BG (V4L2_STD_B |\ 1364 V4L2_STD_G) 1365 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1366 V4L2_STD_PAL_N |\ 1367 V4L2_STD_PAL_Nc |\ 1368 V4L2_STD_NTSC) 1369 1370 /* Standards where MTS/BTSC stereo could be found */ 1371 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1372 V4L2_STD_PAL_M |\ 1373 V4L2_STD_PAL_N |\ 1374 V4L2_STD_PAL_Nc) 1375 1376 /* Standards for Countries with 60Hz Line frequency */ 1377 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1378 V4L2_STD_PAL_60 |\ 1379 V4L2_STD_NTSC |\ 1380 V4L2_STD_NTSC_443) 1381 /* Standards for Countries with 50Hz Line frequency */ 1382 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1383 V4L2_STD_PAL_N |\ 1384 V4L2_STD_PAL_Nc |\ 1385 V4L2_STD_SECAM) 1386 1387 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1388 V4L2_STD_ATSC_16_VSB) 1389 /* Macros with none and all analog standards */ 1390 #define V4L2_STD_UNKNOWN 0 1391 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1392 V4L2_STD_625_50) 1393 1394 struct v4l2_standard { 1395 __u32 index; 1396 v4l2_std_id id; 1397 __u8 name[24]; 1398 struct v4l2_fract frameperiod; /* Frames, not fields */ 1399 __u32 framelines; 1400 __u32 reserved[4]; 1401 }; 1402 1403 /* 1404 * D V B T T I M I N G S 1405 */ 1406 1407 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1408 * @width: total width of the active video in pixels 1409 * @height: total height of the active video in lines 1410 * @interlaced: Interlaced or progressive 1411 * @polarities: Positive or negative polarities 1412 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1413 * @hfrontporch:Horizontal front porch in pixels 1414 * @hsync: Horizontal Sync length in pixels 1415 * @hbackporch: Horizontal back porch in pixels 1416 * @vfrontporch:Vertical front porch in lines 1417 * @vsync: Vertical Sync length in lines 1418 * @vbackporch: Vertical back porch in lines 1419 * @il_vfrontporch:Vertical front porch for the even field 1420 * (aka field 2) of interlaced field formats 1421 * @il_vsync: Vertical Sync length for the even field 1422 * (aka field 2) of interlaced field formats 1423 * @il_vbackporch:Vertical back porch for the even field 1424 * (aka field 2) of interlaced field formats 1425 * @standards: Standards the timing belongs to 1426 * @flags: Flags 1427 * @picture_aspect: The picture aspect ratio (hor/vert). 1428 * @cea861_vic: VIC code as per the CEA-861 standard. 1429 * @hdmi_vic: VIC code as per the HDMI standard. 1430 * @reserved: Reserved fields, must be zeroed. 1431 * 1432 * A note regarding vertical interlaced timings: height refers to the total 1433 * height of the active video frame (= two fields). The blanking timings refer 1434 * to the blanking of each field. So the height of the total frame is 1435 * calculated as follows: 1436 * 1437 * tot_height = height + vfrontporch + vsync + vbackporch + 1438 * il_vfrontporch + il_vsync + il_vbackporch 1439 * 1440 * The active height of each field is height / 2. 1441 */ 1442 struct v4l2_bt_timings { 1443 __u32 width; 1444 __u32 height; 1445 __u32 interlaced; 1446 __u32 polarities; 1447 __u64 pixelclock; 1448 __u32 hfrontporch; 1449 __u32 hsync; 1450 __u32 hbackporch; 1451 __u32 vfrontporch; 1452 __u32 vsync; 1453 __u32 vbackporch; 1454 __u32 il_vfrontporch; 1455 __u32 il_vsync; 1456 __u32 il_vbackporch; 1457 __u32 standards; 1458 __u32 flags; 1459 struct v4l2_fract picture_aspect; 1460 __u8 cea861_vic; 1461 __u8 hdmi_vic; 1462 __u8 reserved[46]; 1463 } __attribute__ ((packed)); 1464 1465 /* Interlaced or progressive format */ 1466 #define V4L2_DV_PROGRESSIVE 0 1467 #define V4L2_DV_INTERLACED 1 1468 1469 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1470 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1471 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1472 1473 /* Timings standards */ 1474 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1475 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1476 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1477 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1478 #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */ 1479 1480 /* Flags */ 1481 1482 /* 1483 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1484 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1485 * intervals are reduced, allowing a higher resolution over the same 1486 * bandwidth. This is a read-only flag. 1487 */ 1488 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1489 /* 1490 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1491 * of six. These formats can be optionally played at 1 / 1.001 speed. 1492 * This is a read-only flag. 1493 */ 1494 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1495 /* 1496 * CEA-861 specific: only valid for video transmitters, the flag is cleared 1497 * by receivers. 1498 * If the framerate of the format is a multiple of six, then the pixelclock 1499 * used to set up the transmitter is divided by 1.001 to make it compatible 1500 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1501 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1502 * such frequencies, then the flag will also be cleared. 1503 */ 1504 #define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1505 /* 1506 * Specific to interlaced formats: if set, then field 1 is really one half-line 1507 * longer and field 2 is really one half-line shorter, so each field has 1508 * exactly the same number of half-lines. Whether half-lines can be detected 1509 * or used depends on the hardware. 1510 */ 1511 #define V4L2_DV_FL_HALF_LINE (1 << 3) 1512 /* 1513 * If set, then this is a Consumer Electronics (CE) video format. Such formats 1514 * differ from other formats (commonly called IT formats) in that if RGB 1515 * encoding is used then by default the RGB values use limited range (i.e. 1516 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861 1517 * except for the 640x480 format are CE formats. 1518 */ 1519 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4) 1520 /* Some formats like SMPTE-125M have an interlaced signal with a odd 1521 * total height. For these formats, if this flag is set, the first 1522 * field has the extra line. If not, it is the second field. 1523 */ 1524 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5) 1525 /* 1526 * If set, then the picture_aspect field is valid. Otherwise assume that the 1527 * pixels are square, so the picture aspect ratio is the same as the width to 1528 * height ratio. 1529 */ 1530 #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6) 1531 /* 1532 * If set, then the cea861_vic field is valid and contains the Video 1533 * Identification Code as per the CEA-861 standard. 1534 */ 1535 #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7) 1536 /* 1537 * If set, then the hdmi_vic field is valid and contains the Video 1538 * Identification Code as per the HDMI standard (HDMI Vendor Specific 1539 * InfoFrame). 1540 */ 1541 #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8) 1542 /* 1543 * CEA-861 specific: only valid for video receivers. 1544 * If set, then HW can detect the difference between regular FPS and 1545 * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with 1546 * the V4L2_DV_FL_CAN_REDUCE_FPS flag set. 1547 */ 1548 #define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9) 1549 1550 /* A few useful defines to calculate the total blanking and frame sizes */ 1551 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1552 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1553 #define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1554 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1555 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1556 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1557 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) 1558 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1559 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1560 1561 /** struct v4l2_dv_timings - DV timings 1562 * @type: the type of the timings 1563 * @bt: BT656/1120 timings 1564 */ 1565 struct v4l2_dv_timings { 1566 __u32 type; 1567 union { 1568 struct v4l2_bt_timings bt; 1569 __u32 reserved[32]; 1570 }; 1571 } __attribute__ ((packed)); 1572 1573 /* Values for the type field */ 1574 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1575 1576 1577 /** struct v4l2_enum_dv_timings - DV timings enumeration 1578 * @index: enumeration index 1579 * @pad: the pad number for which to enumerate timings (used with 1580 * v4l-subdev nodes only) 1581 * @reserved: must be zeroed 1582 * @timings: the timings for the given index 1583 */ 1584 struct v4l2_enum_dv_timings { 1585 __u32 index; 1586 __u32 pad; 1587 __u32 reserved[2]; 1588 struct v4l2_dv_timings timings; 1589 }; 1590 1591 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1592 * @min_width: width in pixels 1593 * @max_width: width in pixels 1594 * @min_height: height in lines 1595 * @max_height: height in lines 1596 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1597 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1598 * @standards: Supported standards 1599 * @capabilities: Supported capabilities 1600 * @reserved: Must be zeroed 1601 */ 1602 struct v4l2_bt_timings_cap { 1603 __u32 min_width; 1604 __u32 max_width; 1605 __u32 min_height; 1606 __u32 max_height; 1607 __u64 min_pixelclock; 1608 __u64 max_pixelclock; 1609 __u32 standards; 1610 __u32 capabilities; 1611 __u32 reserved[16]; 1612 } __attribute__ ((packed)); 1613 1614 /* Supports interlaced formats */ 1615 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1616 /* Supports progressive formats */ 1617 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1618 /* Supports CVT/GTF reduced blanking */ 1619 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1620 /* Supports custom formats */ 1621 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1622 1623 /** struct v4l2_dv_timings_cap - DV timings capabilities 1624 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1625 * @pad: the pad number for which to query capabilities (used with 1626 * v4l-subdev nodes only) 1627 * @bt: the BT656/1120 timings capabilities 1628 */ 1629 struct v4l2_dv_timings_cap { 1630 __u32 type; 1631 __u32 pad; 1632 __u32 reserved[2]; 1633 union { 1634 struct v4l2_bt_timings_cap bt; 1635 __u32 raw_data[32]; 1636 }; 1637 }; 1638 1639 1640 /* 1641 * V I D E O I N P U T S 1642 */ 1643 struct v4l2_input { 1644 __u32 index; /* Which input */ 1645 __u8 name[32]; /* Label */ 1646 __u32 type; /* Type of input */ 1647 __u32 audioset; /* Associated audios (bitfield) */ 1648 __u32 tuner; /* enum v4l2_tuner_type */ 1649 v4l2_std_id std; 1650 __u32 status; 1651 __u32 capabilities; 1652 __u32 reserved[3]; 1653 }; 1654 1655 /* Values for the 'type' field */ 1656 #define V4L2_INPUT_TYPE_TUNER 1 1657 #define V4L2_INPUT_TYPE_CAMERA 2 1658 #define V4L2_INPUT_TYPE_TOUCH 3 1659 1660 /* field 'status' - general */ 1661 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1662 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1663 #define V4L2_IN_ST_NO_COLOR 0x00000004 1664 1665 /* field 'status' - sensor orientation */ 1666 /* If sensor is mounted upside down set both bits */ 1667 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1668 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1669 1670 /* field 'status' - analog */ 1671 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1672 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1673 #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */ 1674 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */ 1675 1676 /* field 'status' - digital */ 1677 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1678 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1679 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1680 1681 /* field 'status' - VCR and set-top box */ 1682 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1683 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1684 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1685 1686 /* capabilities flags */ 1687 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1688 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1689 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1690 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1691 1692 /* 1693 * V I D E O O U T P U T S 1694 */ 1695 struct v4l2_output { 1696 __u32 index; /* Which output */ 1697 __u8 name[32]; /* Label */ 1698 __u32 type; /* Type of output */ 1699 __u32 audioset; /* Associated audios (bitfield) */ 1700 __u32 modulator; /* Associated modulator */ 1701 v4l2_std_id std; 1702 __u32 capabilities; 1703 __u32 reserved[3]; 1704 }; 1705 /* Values for the 'type' field */ 1706 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1707 #define V4L2_OUTPUT_TYPE_ANALOG 2 1708 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1709 1710 /* capabilities flags */ 1711 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1712 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1713 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1714 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1715 1716 /* 1717 * C O N T R O L S 1718 */ 1719 struct v4l2_control { 1720 __u32 id; 1721 __s32 value; 1722 }; 1723 1724 struct v4l2_ext_control { 1725 __u32 id; 1726 __u32 size; 1727 __u32 reserved2[1]; 1728 union { 1729 __s32 value; 1730 __s64 value64; 1731 char __user *string; 1732 __u8 __user *p_u8; 1733 __u16 __user *p_u16; 1734 __u32 __user *p_u32; 1735 struct v4l2_area __user *p_area; 1736 void __user *ptr; 1737 }; 1738 } __attribute__ ((packed)); 1739 1740 struct v4l2_ext_controls { 1741 union { 1742 #ifndef __KERNEL__ 1743 __u32 ctrl_class; 1744 #endif 1745 __u32 which; 1746 }; 1747 __u32 count; 1748 __u32 error_idx; 1749 __s32 request_fd; 1750 __u32 reserved[1]; 1751 struct v4l2_ext_control *controls; 1752 }; 1753 1754 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1755 #ifndef __KERNEL__ 1756 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1757 #endif 1758 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL) 1759 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1760 #define V4L2_CTRL_MAX_DIMS (4) 1761 #define V4L2_CTRL_WHICH_CUR_VAL 0 1762 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000 1763 #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000 1764 1765 enum v4l2_ctrl_type { 1766 V4L2_CTRL_TYPE_INTEGER = 1, 1767 V4L2_CTRL_TYPE_BOOLEAN = 2, 1768 V4L2_CTRL_TYPE_MENU = 3, 1769 V4L2_CTRL_TYPE_BUTTON = 4, 1770 V4L2_CTRL_TYPE_INTEGER64 = 5, 1771 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1772 V4L2_CTRL_TYPE_STRING = 7, 1773 V4L2_CTRL_TYPE_BITMASK = 8, 1774 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1775 1776 /* Compound types are >= 0x0100 */ 1777 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1778 V4L2_CTRL_TYPE_U8 = 0x0100, 1779 V4L2_CTRL_TYPE_U16 = 0x0101, 1780 V4L2_CTRL_TYPE_U32 = 0x0102, 1781 V4L2_CTRL_TYPE_AREA = 0x0106, 1782 }; 1783 1784 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1785 struct v4l2_queryctrl { 1786 __u32 id; 1787 __u32 type; /* enum v4l2_ctrl_type */ 1788 __u8 name[32]; /* Whatever */ 1789 __s32 minimum; /* Note signedness */ 1790 __s32 maximum; 1791 __s32 step; 1792 __s32 default_value; 1793 __u32 flags; 1794 __u32 reserved[2]; 1795 }; 1796 1797 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1798 struct v4l2_query_ext_ctrl { 1799 __u32 id; 1800 __u32 type; 1801 char name[32]; 1802 __s64 minimum; 1803 __s64 maximum; 1804 __u64 step; 1805 __s64 default_value; 1806 __u32 flags; 1807 __u32 elem_size; 1808 __u32 elems; 1809 __u32 nr_of_dims; 1810 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1811 __u32 reserved[32]; 1812 }; 1813 1814 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1815 struct v4l2_querymenu { 1816 __u32 id; 1817 __u32 index; 1818 union { 1819 __u8 name[32]; /* Whatever */ 1820 __s64 value; 1821 }; 1822 __u32 reserved; 1823 } __attribute__ ((packed)); 1824 1825 /* Control flags */ 1826 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1827 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1828 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1829 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1830 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1831 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1832 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1833 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1834 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1835 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 1836 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400 1837 1838 /* Query flags, to be ORed with the control ID */ 1839 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1840 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1841 1842 /* User-class control IDs defined by V4L2 */ 1843 #define V4L2_CID_MAX_CTRLS 1024 1844 /* IDs reserved for driver specific controls */ 1845 #define V4L2_CID_PRIVATE_BASE 0x08000000 1846 1847 1848 /* 1849 * T U N I N G 1850 */ 1851 struct v4l2_tuner { 1852 __u32 index; 1853 __u8 name[32]; 1854 __u32 type; /* enum v4l2_tuner_type */ 1855 __u32 capability; 1856 __u32 rangelow; 1857 __u32 rangehigh; 1858 __u32 rxsubchans; 1859 __u32 audmode; 1860 __s32 signal; 1861 __s32 afc; 1862 __u32 reserved[4]; 1863 }; 1864 1865 struct v4l2_modulator { 1866 __u32 index; 1867 __u8 name[32]; 1868 __u32 capability; 1869 __u32 rangelow; 1870 __u32 rangehigh; 1871 __u32 txsubchans; 1872 __u32 type; /* enum v4l2_tuner_type */ 1873 __u32 reserved[3]; 1874 }; 1875 1876 /* Flags for the 'capability' field */ 1877 #define V4L2_TUNER_CAP_LOW 0x0001 1878 #define V4L2_TUNER_CAP_NORM 0x0002 1879 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1880 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1881 #define V4L2_TUNER_CAP_STEREO 0x0010 1882 #define V4L2_TUNER_CAP_LANG2 0x0020 1883 #define V4L2_TUNER_CAP_SAP 0x0020 1884 #define V4L2_TUNER_CAP_LANG1 0x0040 1885 #define V4L2_TUNER_CAP_RDS 0x0080 1886 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1887 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1888 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1889 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1890 #define V4L2_TUNER_CAP_1HZ 0x1000 1891 1892 /* Flags for the 'rxsubchans' field */ 1893 #define V4L2_TUNER_SUB_MONO 0x0001 1894 #define V4L2_TUNER_SUB_STEREO 0x0002 1895 #define V4L2_TUNER_SUB_LANG2 0x0004 1896 #define V4L2_TUNER_SUB_SAP 0x0004 1897 #define V4L2_TUNER_SUB_LANG1 0x0008 1898 #define V4L2_TUNER_SUB_RDS 0x0010 1899 1900 /* Values for the 'audmode' field */ 1901 #define V4L2_TUNER_MODE_MONO 0x0000 1902 #define V4L2_TUNER_MODE_STEREO 0x0001 1903 #define V4L2_TUNER_MODE_LANG2 0x0002 1904 #define V4L2_TUNER_MODE_SAP 0x0002 1905 #define V4L2_TUNER_MODE_LANG1 0x0003 1906 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1907 1908 struct v4l2_frequency { 1909 __u32 tuner; 1910 __u32 type; /* enum v4l2_tuner_type */ 1911 __u32 frequency; 1912 __u32 reserved[8]; 1913 }; 1914 1915 #define V4L2_BAND_MODULATION_VSB (1 << 1) 1916 #define V4L2_BAND_MODULATION_FM (1 << 2) 1917 #define V4L2_BAND_MODULATION_AM (1 << 3) 1918 1919 struct v4l2_frequency_band { 1920 __u32 tuner; 1921 __u32 type; /* enum v4l2_tuner_type */ 1922 __u32 index; 1923 __u32 capability; 1924 __u32 rangelow; 1925 __u32 rangehigh; 1926 __u32 modulation; 1927 __u32 reserved[9]; 1928 }; 1929 1930 struct v4l2_hw_freq_seek { 1931 __u32 tuner; 1932 __u32 type; /* enum v4l2_tuner_type */ 1933 __u32 seek_upward; 1934 __u32 wrap_around; 1935 __u32 spacing; 1936 __u32 rangelow; 1937 __u32 rangehigh; 1938 __u32 reserved[5]; 1939 }; 1940 1941 /* 1942 * R D S 1943 */ 1944 1945 struct v4l2_rds_data { 1946 __u8 lsb; 1947 __u8 msb; 1948 __u8 block; 1949 } __attribute__ ((packed)); 1950 1951 #define V4L2_RDS_BLOCK_MSK 0x7 1952 #define V4L2_RDS_BLOCK_A 0 1953 #define V4L2_RDS_BLOCK_B 1 1954 #define V4L2_RDS_BLOCK_C 2 1955 #define V4L2_RDS_BLOCK_D 3 1956 #define V4L2_RDS_BLOCK_C_ALT 4 1957 #define V4L2_RDS_BLOCK_INVALID 7 1958 1959 #define V4L2_RDS_BLOCK_CORRECTED 0x40 1960 #define V4L2_RDS_BLOCK_ERROR 0x80 1961 1962 /* 1963 * A U D I O 1964 */ 1965 struct v4l2_audio { 1966 __u32 index; 1967 __u8 name[32]; 1968 __u32 capability; 1969 __u32 mode; 1970 __u32 reserved[2]; 1971 }; 1972 1973 /* Flags for the 'capability' field */ 1974 #define V4L2_AUDCAP_STEREO 0x00001 1975 #define V4L2_AUDCAP_AVL 0x00002 1976 1977 /* Flags for the 'mode' field */ 1978 #define V4L2_AUDMODE_AVL 0x00001 1979 1980 struct v4l2_audioout { 1981 __u32 index; 1982 __u8 name[32]; 1983 __u32 capability; 1984 __u32 mode; 1985 __u32 reserved[2]; 1986 }; 1987 1988 /* 1989 * M P E G S E R V I C E S 1990 */ 1991 #if 1 1992 #define V4L2_ENC_IDX_FRAME_I (0) 1993 #define V4L2_ENC_IDX_FRAME_P (1) 1994 #define V4L2_ENC_IDX_FRAME_B (2) 1995 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 1996 1997 struct v4l2_enc_idx_entry { 1998 __u64 offset; 1999 __u64 pts; 2000 __u32 length; 2001 __u32 flags; 2002 __u32 reserved[2]; 2003 }; 2004 2005 #define V4L2_ENC_IDX_ENTRIES (64) 2006 struct v4l2_enc_idx { 2007 __u32 entries; 2008 __u32 entries_cap; 2009 __u32 reserved[4]; 2010 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 2011 }; 2012 2013 2014 #define V4L2_ENC_CMD_START (0) 2015 #define V4L2_ENC_CMD_STOP (1) 2016 #define V4L2_ENC_CMD_PAUSE (2) 2017 #define V4L2_ENC_CMD_RESUME (3) 2018 2019 /* Flags for V4L2_ENC_CMD_STOP */ 2020 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 2021 2022 struct v4l2_encoder_cmd { 2023 __u32 cmd; 2024 __u32 flags; 2025 union { 2026 struct { 2027 __u32 data[8]; 2028 } raw; 2029 }; 2030 }; 2031 2032 /* Decoder commands */ 2033 #define V4L2_DEC_CMD_START (0) 2034 #define V4L2_DEC_CMD_STOP (1) 2035 #define V4L2_DEC_CMD_PAUSE (2) 2036 #define V4L2_DEC_CMD_RESUME (3) 2037 #define V4L2_DEC_CMD_FLUSH (4) 2038 2039 /* Flags for V4L2_DEC_CMD_START */ 2040 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 2041 2042 /* Flags for V4L2_DEC_CMD_PAUSE */ 2043 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 2044 2045 /* Flags for V4L2_DEC_CMD_STOP */ 2046 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 2047 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 2048 2049 /* Play format requirements (returned by the driver): */ 2050 2051 /* The decoder has no special format requirements */ 2052 #define V4L2_DEC_START_FMT_NONE (0) 2053 /* The decoder requires full GOPs */ 2054 #define V4L2_DEC_START_FMT_GOP (1) 2055 2056 /* The structure must be zeroed before use by the application 2057 This ensures it can be extended safely in the future. */ 2058 struct v4l2_decoder_cmd { 2059 __u32 cmd; 2060 __u32 flags; 2061 union { 2062 struct { 2063 __u64 pts; 2064 } stop; 2065 2066 struct { 2067 /* 0 or 1000 specifies normal speed, 2068 1 specifies forward single stepping, 2069 -1 specifies backward single stepping, 2070 >1: playback at speed/1000 of the normal speed, 2071 <-1: reverse playback at (-speed/1000) of the normal speed. */ 2072 __s32 speed; 2073 __u32 format; 2074 } start; 2075 2076 struct { 2077 __u32 data[16]; 2078 } raw; 2079 }; 2080 }; 2081 #endif 2082 2083 2084 /* 2085 * D A T A S E R V I C E S ( V B I ) 2086 * 2087 * Data services API by Michael Schimek 2088 */ 2089 2090 /* Raw VBI */ 2091 struct v4l2_vbi_format { 2092 __u32 sampling_rate; /* in 1 Hz */ 2093 __u32 offset; 2094 __u32 samples_per_line; 2095 __u32 sample_format; /* V4L2_PIX_FMT_* */ 2096 __s32 start[2]; 2097 __u32 count[2]; 2098 __u32 flags; /* V4L2_VBI_* */ 2099 __u32 reserved[2]; /* must be zero */ 2100 }; 2101 2102 /* VBI flags */ 2103 #define V4L2_VBI_UNSYNC (1 << 0) 2104 #define V4L2_VBI_INTERLACED (1 << 1) 2105 2106 /* ITU-R start lines for each field */ 2107 #define V4L2_VBI_ITU_525_F1_START (1) 2108 #define V4L2_VBI_ITU_525_F2_START (264) 2109 #define V4L2_VBI_ITU_625_F1_START (1) 2110 #define V4L2_VBI_ITU_625_F2_START (314) 2111 2112 /* Sliced VBI 2113 * 2114 * This implements is a proposal V4L2 API to allow SLICED VBI 2115 * required for some hardware encoders. It should change without 2116 * notice in the definitive implementation. 2117 */ 2118 2119 struct v4l2_sliced_vbi_format { 2120 __u16 service_set; 2121 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2122 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2123 (equals frame lines 313-336 for 625 line video 2124 standards, 263-286 for 525 line standards) */ 2125 __u16 service_lines[2][24]; 2126 __u32 io_size; 2127 __u32 reserved[2]; /* must be zero */ 2128 }; 2129 2130 /* Teletext World System Teletext 2131 (WST), defined on ITU-R BT.653-2 */ 2132 #define V4L2_SLICED_TELETEXT_B (0x0001) 2133 /* Video Program System, defined on ETS 300 231*/ 2134 #define V4L2_SLICED_VPS (0x0400) 2135 /* Closed Caption, defined on EIA-608 */ 2136 #define V4L2_SLICED_CAPTION_525 (0x1000) 2137 /* Wide Screen System, defined on ITU-R BT1119.1 */ 2138 #define V4L2_SLICED_WSS_625 (0x4000) 2139 2140 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 2141 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 2142 2143 struct v4l2_sliced_vbi_cap { 2144 __u16 service_set; 2145 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2146 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2147 (equals frame lines 313-336 for 625 line video 2148 standards, 263-286 for 525 line standards) */ 2149 __u16 service_lines[2][24]; 2150 __u32 type; /* enum v4l2_buf_type */ 2151 __u32 reserved[3]; /* must be 0 */ 2152 }; 2153 2154 struct v4l2_sliced_vbi_data { 2155 __u32 id; 2156 __u32 field; /* 0: first field, 1: second field */ 2157 __u32 line; /* 1-23 */ 2158 __u32 reserved; /* must be 0 */ 2159 __u8 data[48]; 2160 }; 2161 2162 /* 2163 * Sliced VBI data inserted into MPEG Streams 2164 */ 2165 2166 /* 2167 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 2168 * 2169 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 2170 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 2171 * data 2172 * 2173 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 2174 * definitions are not included here. See the MPEG-2 specifications for details 2175 * on these headers. 2176 */ 2177 2178 /* Line type IDs */ 2179 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 2180 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 2181 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 2182 #define V4L2_MPEG_VBI_IVTV_VPS (7) 2183 2184 struct v4l2_mpeg_vbi_itv0_line { 2185 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 2186 __u8 data[42]; /* Sliced VBI data for the line */ 2187 } __attribute__ ((packed)); 2188 2189 struct v4l2_mpeg_vbi_itv0 { 2190 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 2191 struct v4l2_mpeg_vbi_itv0_line line[35]; 2192 } __attribute__ ((packed)); 2193 2194 struct v4l2_mpeg_vbi_ITV0 { 2195 struct v4l2_mpeg_vbi_itv0_line line[36]; 2196 } __attribute__ ((packed)); 2197 2198 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 2199 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 2200 2201 struct v4l2_mpeg_vbi_fmt_ivtv { 2202 __u8 magic[4]; 2203 union { 2204 struct v4l2_mpeg_vbi_itv0 itv0; 2205 struct v4l2_mpeg_vbi_ITV0 ITV0; 2206 }; 2207 } __attribute__ ((packed)); 2208 2209 /* 2210 * A G G R E G A T E S T R U C T U R E S 2211 */ 2212 2213 /** 2214 * struct v4l2_plane_pix_format - additional, per-plane format definition 2215 * @sizeimage: maximum size in bytes required for data, for which 2216 * this plane will be used 2217 * @bytesperline: distance in bytes between the leftmost pixels in two 2218 * adjacent lines 2219 */ 2220 struct v4l2_plane_pix_format { 2221 __u32 sizeimage; 2222 __u32 bytesperline; 2223 __u16 reserved[6]; 2224 } __attribute__ ((packed)); 2225 2226 /** 2227 * struct v4l2_pix_format_mplane - multiplanar format definition 2228 * @width: image width in pixels 2229 * @height: image height in pixels 2230 * @pixelformat: little endian four character code (fourcc) 2231 * @field: enum v4l2_field; field order (for interlaced video) 2232 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 2233 * @plane_fmt: per-plane information 2234 * @num_planes: number of planes for this format 2235 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 2236 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding 2237 * @quantization: enum v4l2_quantization, colorspace quantization 2238 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function 2239 */ 2240 struct v4l2_pix_format_mplane { 2241 __u32 width; 2242 __u32 height; 2243 __u32 pixelformat; 2244 __u32 field; 2245 __u32 colorspace; 2246 2247 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 2248 __u8 num_planes; 2249 __u8 flags; 2250 union { 2251 __u8 ycbcr_enc; 2252 __u8 hsv_enc; 2253 }; 2254 __u8 quantization; 2255 __u8 xfer_func; 2256 __u8 reserved[7]; 2257 } __attribute__ ((packed)); 2258 2259 /** 2260 * struct v4l2_sdr_format - SDR format definition 2261 * @pixelformat: little endian four character code (fourcc) 2262 * @buffersize: maximum size in bytes required for data 2263 */ 2264 struct v4l2_sdr_format { 2265 __u32 pixelformat; 2266 __u32 buffersize; 2267 __u8 reserved[24]; 2268 } __attribute__ ((packed)); 2269 2270 /** 2271 * struct v4l2_meta_format - metadata format definition 2272 * @dataformat: little endian four character code (fourcc) 2273 * @buffersize: maximum size in bytes required for data 2274 */ 2275 struct v4l2_meta_format { 2276 __u32 dataformat; 2277 __u32 buffersize; 2278 } __attribute__ ((packed)); 2279 2280 /** 2281 * struct v4l2_format - stream data format 2282 * @type: enum v4l2_buf_type; type of the data stream 2283 * @pix: definition of an image format 2284 * @pix_mp: definition of a multiplanar image format 2285 * @win: definition of an overlaid image 2286 * @vbi: raw VBI capture or output parameters 2287 * @sliced: sliced VBI capture or output parameters 2288 * @raw_data: placeholder for future extensions and custom formats 2289 */ 2290 struct v4l2_format { 2291 __u32 type; 2292 union { 2293 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 2294 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 2295 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 2296 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 2297 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 2298 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 2299 struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */ 2300 __u8 raw_data[200]; /* user-defined */ 2301 } fmt; 2302 }; 2303 2304 /* Stream type-dependent parameters 2305 */ 2306 struct v4l2_streamparm { 2307 __u32 type; /* enum v4l2_buf_type */ 2308 union { 2309 struct v4l2_captureparm capture; 2310 struct v4l2_outputparm output; 2311 __u8 raw_data[200]; /* user-defined */ 2312 } parm; 2313 }; 2314 2315 /* 2316 * E V E N T S 2317 */ 2318 2319 #define V4L2_EVENT_ALL 0 2320 #define V4L2_EVENT_VSYNC 1 2321 #define V4L2_EVENT_EOS 2 2322 #define V4L2_EVENT_CTRL 3 2323 #define V4L2_EVENT_FRAME_SYNC 4 2324 #define V4L2_EVENT_SOURCE_CHANGE 5 2325 #define V4L2_EVENT_MOTION_DET 6 2326 #define V4L2_EVENT_PRIVATE_START 0x08000000 2327 2328 /* Payload for V4L2_EVENT_VSYNC */ 2329 struct v4l2_event_vsync { 2330 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 2331 __u8 field; 2332 } __attribute__ ((packed)); 2333 2334 /* Payload for V4L2_EVENT_CTRL */ 2335 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 2336 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 2337 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 2338 2339 struct v4l2_event_ctrl { 2340 __u32 changes; 2341 __u32 type; 2342 union { 2343 __s32 value; 2344 __s64 value64; 2345 }; 2346 __u32 flags; 2347 __s32 minimum; 2348 __s32 maximum; 2349 __s32 step; 2350 __s32 default_value; 2351 }; 2352 2353 struct v4l2_event_frame_sync { 2354 __u32 frame_sequence; 2355 }; 2356 2357 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 2358 2359 struct v4l2_event_src_change { 2360 __u32 changes; 2361 }; 2362 2363 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 2364 2365 /** 2366 * struct v4l2_event_motion_det - motion detection event 2367 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 2368 * frame_sequence field is valid. 2369 * @frame_sequence: the frame sequence number associated with this event. 2370 * @region_mask: which regions detected motion. 2371 */ 2372 struct v4l2_event_motion_det { 2373 __u32 flags; 2374 __u32 frame_sequence; 2375 __u32 region_mask; 2376 }; 2377 2378 struct v4l2_event { 2379 __u32 type; 2380 union { 2381 struct v4l2_event_vsync vsync; 2382 struct v4l2_event_ctrl ctrl; 2383 struct v4l2_event_frame_sync frame_sync; 2384 struct v4l2_event_src_change src_change; 2385 struct v4l2_event_motion_det motion_det; 2386 __u8 data[64]; 2387 } u; 2388 __u32 pending; 2389 __u32 sequence; 2390 #ifdef __KERNEL__ 2391 struct __kernel_timespec timestamp; 2392 #else 2393 struct timespec timestamp; 2394 #endif 2395 __u32 id; 2396 __u32 reserved[8]; 2397 }; 2398 2399 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2400 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2401 2402 struct v4l2_event_subscription { 2403 __u32 type; 2404 __u32 id; 2405 __u32 flags; 2406 __u32 reserved[5]; 2407 }; 2408 2409 /* 2410 * A D V A N C E D D E B U G G I N G 2411 * 2412 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2413 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2414 */ 2415 2416 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2417 2418 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2419 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2420 2421 /* The following four defines are no longer in use */ 2422 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2423 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2424 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2425 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2426 2427 struct v4l2_dbg_match { 2428 __u32 type; /* Match type */ 2429 union { /* Match this chip, meaning determined by type */ 2430 __u32 addr; 2431 char name[32]; 2432 }; 2433 } __attribute__ ((packed)); 2434 2435 struct v4l2_dbg_register { 2436 struct v4l2_dbg_match match; 2437 __u32 size; /* register size in bytes */ 2438 __u64 reg; 2439 __u64 val; 2440 } __attribute__ ((packed)); 2441 2442 #define V4L2_CHIP_FL_READABLE (1 << 0) 2443 #define V4L2_CHIP_FL_WRITABLE (1 << 1) 2444 2445 /* VIDIOC_DBG_G_CHIP_INFO */ 2446 struct v4l2_dbg_chip_info { 2447 struct v4l2_dbg_match match; 2448 char name[32]; 2449 __u32 flags; 2450 __u32 reserved[32]; 2451 } __attribute__ ((packed)); 2452 2453 /** 2454 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2455 * @index: on return, index of the first created buffer 2456 * @count: entry: number of requested buffers, 2457 * return: number of created buffers 2458 * @memory: enum v4l2_memory; buffer memory type 2459 * @format: frame format, for which buffers are requested 2460 * @capabilities: capabilities of this buffer type. 2461 * @reserved: future extensions 2462 */ 2463 struct v4l2_create_buffers { 2464 __u32 index; 2465 __u32 count; 2466 __u32 memory; 2467 struct v4l2_format format; 2468 __u32 capabilities; 2469 __u32 reserved[7]; 2470 }; 2471 2472 /* 2473 * 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 2474 * 2475 */ 2476 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2477 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2478 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2479 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2480 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2481 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2482 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2483 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2484 #define VIDIOC_OVERLAY _IOW('V', 14, int) 2485 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2486 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2487 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2488 #define VIDIOC_STREAMON _IOW('V', 18, int) 2489 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 2490 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2491 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2492 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2493 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2494 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2495 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2496 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2497 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2498 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2499 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2500 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2501 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2502 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2503 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2504 #define VIDIOC_G_INPUT _IOR('V', 38, int) 2505 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 2506 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2507 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2508 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2509 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2510 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2511 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2512 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2513 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2514 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2515 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2516 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2517 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2518 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2519 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2520 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2521 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2522 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2523 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2524 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2525 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2526 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2527 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2528 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2529 #define VIDIOC_LOG_STATUS _IO('V', 70) 2530 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2531 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2532 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2533 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2534 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2535 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2536 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2537 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2538 2539 /* 2540 * Experimental, meant for debugging, testing and internal use. 2541 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2542 * You must be root to use these ioctls. Never use these in applications! 2543 */ 2544 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2545 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2546 2547 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2548 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2549 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2550 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2551 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2552 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2553 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2554 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2555 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2556 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2557 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2558 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2559 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2560 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2561 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2562 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2563 2564 /* 2565 * Experimental, meant for debugging, testing and internal use. 2566 * Never use this in applications! 2567 */ 2568 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2569 2570 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2571 2572 /* Reminder: when adding new ioctls please add support for them to 2573 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */ 2574 2575 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2576 2577 #endif /* _UAPI__LINUX_VIDEODEV2_H */ 2578