1 /* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */ 2 /* 3 * Video for Linux Two header file 4 * 5 * Copyright (C) 1999-2012 the contributors 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * Alternatively you can redistribute this file under the terms of the 18 * BSD license as stated below: 19 * 20 * Redistribution and use in source and binary forms, with or without 21 * modification, are permitted provided that the following conditions 22 * are met: 23 * 1. Redistributions of source code must retain the above copyright 24 * notice, this list of conditions and the following disclaimer. 25 * 2. Redistributions in binary form must reproduce the above copyright 26 * notice, this list of conditions and the following disclaimer in 27 * the documentation and/or other materials provided with the 28 * distribution. 29 * 3. The names of its contributors may not be used to endorse or promote 30 * products derived from this software without specific prior written 31 * permission. 32 * 33 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 34 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 35 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 36 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 37 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 38 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 39 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 40 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 41 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 42 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 43 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 44 * 45 * Header file for v4l or V4L2 drivers and applications 46 * with public API. 47 * All kernel-specific stuff were moved to media/v4l2-dev.h, so 48 * no #if __KERNEL tests are allowed here 49 * 50 * See https://linuxtv.org for more info 51 * 52 * Author: Bill Dirks <bill@thedirks.org> 53 * Justin Schoeman 54 * Hans Verkuil <hverkuil@xs4all.nl> 55 * et al. 56 */ 57 #ifndef _UAPI__LINUX_VIDEODEV2_H 58 #define _UAPI__LINUX_VIDEODEV2_H 59 60 #ifndef __KERNEL__ 61 #include <sys/time.h> 62 #endif 63 #include <linux/compiler.h> 64 #include <linux/ioctl.h> 65 #include <linux/types.h> 66 #include <linux/v4l2-common.h> 67 #include <linux/v4l2-controls.h> 68 69 /* 70 * Common stuff for both V4L1 and V4L2 71 * Moved from videodev.h 72 */ 73 #define VIDEO_MAX_FRAME 32 74 #define VIDEO_MAX_PLANES 8 75 76 /* 77 * M I S C E L L A N E O U S 78 */ 79 80 /* Four-character-code (FOURCC) */ 81 #define v4l2_fourcc(a, b, c, d)\ 82 ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24)) 83 #define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1U << 31)) 84 85 /* 86 * E N U M S 87 */ 88 enum v4l2_field { 89 V4L2_FIELD_ANY = 0, /* driver can choose from none, 90 top, bottom, interlaced 91 depending on whatever it thinks 92 is approximate ... */ 93 V4L2_FIELD_NONE = 1, /* this device has no fields ... */ 94 V4L2_FIELD_TOP = 2, /* top field only */ 95 V4L2_FIELD_BOTTOM = 3, /* bottom field only */ 96 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */ 97 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one 98 buffer, top-bottom order */ 99 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */ 100 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into 101 separate buffers */ 102 V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field 103 first and the top field is 104 transmitted first */ 105 V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field 106 first and the bottom field is 107 transmitted first */ 108 }; 109 #define V4L2_FIELD_HAS_TOP(field) \ 110 ((field) == V4L2_FIELD_TOP ||\ 111 (field) == V4L2_FIELD_INTERLACED ||\ 112 (field) == V4L2_FIELD_INTERLACED_TB ||\ 113 (field) == V4L2_FIELD_INTERLACED_BT ||\ 114 (field) == V4L2_FIELD_SEQ_TB ||\ 115 (field) == V4L2_FIELD_SEQ_BT) 116 #define V4L2_FIELD_HAS_BOTTOM(field) \ 117 ((field) == V4L2_FIELD_BOTTOM ||\ 118 (field) == V4L2_FIELD_INTERLACED ||\ 119 (field) == V4L2_FIELD_INTERLACED_TB ||\ 120 (field) == V4L2_FIELD_INTERLACED_BT ||\ 121 (field) == V4L2_FIELD_SEQ_TB ||\ 122 (field) == V4L2_FIELD_SEQ_BT) 123 #define V4L2_FIELD_HAS_BOTH(field) \ 124 ((field) == V4L2_FIELD_INTERLACED ||\ 125 (field) == V4L2_FIELD_INTERLACED_TB ||\ 126 (field) == V4L2_FIELD_INTERLACED_BT ||\ 127 (field) == V4L2_FIELD_SEQ_TB ||\ 128 (field) == V4L2_FIELD_SEQ_BT) 129 #define V4L2_FIELD_HAS_T_OR_B(field) \ 130 ((field) == V4L2_FIELD_BOTTOM ||\ 131 (field) == V4L2_FIELD_TOP ||\ 132 (field) == V4L2_FIELD_ALTERNATE) 133 #define V4L2_FIELD_IS_INTERLACED(field) \ 134 ((field) == V4L2_FIELD_INTERLACED ||\ 135 (field) == V4L2_FIELD_INTERLACED_TB ||\ 136 (field) == V4L2_FIELD_INTERLACED_BT) 137 #define V4L2_FIELD_IS_SEQUENTIAL(field) \ 138 ((field) == V4L2_FIELD_SEQ_TB ||\ 139 (field) == V4L2_FIELD_SEQ_BT) 140 141 enum v4l2_buf_type { 142 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, 143 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, 144 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, 145 V4L2_BUF_TYPE_VBI_CAPTURE = 4, 146 V4L2_BUF_TYPE_VBI_OUTPUT = 5, 147 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6, 148 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7, 149 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8, 150 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9, 151 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10, 152 V4L2_BUF_TYPE_SDR_CAPTURE = 11, 153 V4L2_BUF_TYPE_SDR_OUTPUT = 12, 154 V4L2_BUF_TYPE_META_CAPTURE = 13, 155 V4L2_BUF_TYPE_META_OUTPUT = 14, 156 /* Deprecated, do not use */ 157 V4L2_BUF_TYPE_PRIVATE = 0x80, 158 }; 159 160 #define V4L2_TYPE_IS_MULTIPLANAR(type) \ 161 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \ 162 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 163 164 #define V4L2_TYPE_IS_OUTPUT(type) \ 165 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \ 166 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \ 167 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \ 168 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \ 169 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \ 170 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \ 171 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT \ 172 || (type) == V4L2_BUF_TYPE_META_OUTPUT) 173 174 #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 (1 or 2 bytes per pixel) */ 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 #define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('G', 'A', '1', '2') /* 16 bbbbgggg rrrraaaa */ 528 #define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16 bbbbgggg rrrrxxxx */ 529 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 530 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */ 531 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */ 532 #define V4L2_PIX_FMT_RGBA555 v4l2_fourcc('R', 'A', '1', '5') /* 16 RGBA-5-5-5-1 */ 533 #define V4L2_PIX_FMT_RGBX555 v4l2_fourcc('R', 'X', '1', '5') /* 16 RGBX-5-5-5-1 */ 534 #define V4L2_PIX_FMT_ABGR555 v4l2_fourcc('A', 'B', '1', '5') /* 16 ABGR-1-5-5-5 */ 535 #define V4L2_PIX_FMT_XBGR555 v4l2_fourcc('X', 'B', '1', '5') /* 16 XBGR-1-5-5-5 */ 536 #define V4L2_PIX_FMT_BGRA555 v4l2_fourcc('B', 'A', '1', '5') /* 16 BGRA-5-5-5-1 */ 537 #define V4L2_PIX_FMT_BGRX555 v4l2_fourcc('B', 'X', '1', '5') /* 16 BGRX-5-5-5-1 */ 538 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 539 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 540 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */ 541 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */ 542 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 543 544 /* RGB formats (3 or 4 bytes per pixel) */ 545 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 546 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 547 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 548 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 549 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */ 550 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */ 551 #define V4L2_PIX_FMT_BGRA32 v4l2_fourcc('R', 'A', '2', '4') /* 32 ABGR-8-8-8-8 */ 552 #define V4L2_PIX_FMT_BGRX32 v4l2_fourcc('R', 'X', '2', '4') /* 32 XBGR-8-8-8-8 */ 553 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 554 #define V4L2_PIX_FMT_RGBA32 v4l2_fourcc('A', 'B', '2', '4') /* 32 RGBA-8-8-8-8 */ 555 #define V4L2_PIX_FMT_RGBX32 v4l2_fourcc('X', 'B', '2', '4') /* 32 RGBX-8-8-8-8 */ 556 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */ 557 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */ 558 559 /* Grey formats */ 560 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 561 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 562 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 563 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 564 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 565 #define V4L2_PIX_FMT_Y14 v4l2_fourcc('Y', '1', '4', ' ') /* 14 Greyscale */ 566 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 567 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */ 568 569 /* Grey bit-packed formats */ 570 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 571 #define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */ 572 573 /* Palette formats */ 574 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 575 576 /* Chrominance formats */ 577 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 578 579 /* Luminance+Chrominance formats */ 580 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 581 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 582 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 583 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 584 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 585 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 586 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 587 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 588 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 589 #define V4L2_PIX_FMT_YUV24 v4l2_fourcc('Y', 'U', 'V', '3') /* 24 YUV-8-8-8 */ 590 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 591 #define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */ 592 #define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */ 593 #define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */ 594 #define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */ 595 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 596 597 /* two planes -- one Y, one Cr + Cb interleaved */ 598 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 599 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 600 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 601 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 602 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 603 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 604 605 /* two non contiguous planes - one Y, one Cr + Cb interleaved */ 606 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 607 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 608 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ 609 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ 610 611 /* three planes - Y Cb, Cr */ 612 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 613 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 614 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */ 615 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 616 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 617 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 618 619 /* three non contiguous planes - Y, Cb, Cr */ 620 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 621 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 622 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */ 623 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */ 624 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */ 625 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */ 626 627 /* Tiled YUV formats */ 628 #define V4L2_PIX_FMT_NV12_4L4 v4l2_fourcc('V', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 4x4 tiles */ 629 #define V4L2_PIX_FMT_NV12_16L16 v4l2_fourcc('H', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */ 630 #define V4L2_PIX_FMT_NV12_32L32 v4l2_fourcc('S', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 32x32 tiles */ 631 632 /* Tiled YUV formats, non contiguous planes */ 633 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 tiles */ 634 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */ 635 #define V4L2_PIX_FMT_NV12M_8L128 v4l2_fourcc('N', 'A', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */ 636 #define V4L2_PIX_FMT_NV12M_10BE_8L128 v4l2_fourcc_be('N', 'T', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */ 637 638 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 639 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 640 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 641 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 642 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 643 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 644 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 645 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 646 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 647 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ 648 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') 649 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') 650 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') 651 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') 652 /* 10bit raw bayer a-law compressed to 8 bits */ 653 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 654 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 655 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 656 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 657 /* 10bit raw bayer DPCM compressed to 8 bits */ 658 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 659 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 660 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 661 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 662 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 663 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 664 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 665 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 666 /* 12bit raw bayer packed, 6 bytes for every 4 pixels */ 667 #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C') 668 #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C') 669 #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C') 670 #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C') 671 #define V4L2_PIX_FMT_SBGGR14 v4l2_fourcc('B', 'G', '1', '4') /* 14 BGBG.. GRGR.. */ 672 #define V4L2_PIX_FMT_SGBRG14 v4l2_fourcc('G', 'B', '1', '4') /* 14 GBGB.. RGRG.. */ 673 #define V4L2_PIX_FMT_SGRBG14 v4l2_fourcc('G', 'R', '1', '4') /* 14 GRGR.. BGBG.. */ 674 #define V4L2_PIX_FMT_SRGGB14 v4l2_fourcc('R', 'G', '1', '4') /* 14 RGRG.. GBGB.. */ 675 /* 14bit raw bayer packed, 7 bytes for every 4 pixels */ 676 #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E') 677 #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E') 678 #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E') 679 #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E') 680 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 681 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */ 682 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */ 683 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */ 684 685 /* HSV formats */ 686 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3') 687 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4') 688 689 /* compressed formats */ 690 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 691 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 692 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 693 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 694 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 695 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 696 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 697 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 698 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 699 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 700 #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */ 701 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 702 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 703 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 704 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 705 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 706 #define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') /* VP8 parsed frame */ 707 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */ 708 #define V4L2_PIX_FMT_VP9_FRAME v4l2_fourcc('V', 'P', '9', 'F') /* VP9 parsed frame */ 709 #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */ 710 #define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */ 711 #define V4L2_PIX_FMT_FWHT_STATELESS v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */ 712 #define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */ 713 714 /* Vendor-specific formats */ 715 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 716 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 717 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 718 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 719 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 720 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 721 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 722 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 723 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 724 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 725 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 726 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 727 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 728 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 729 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 730 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 731 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 732 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 733 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 734 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 735 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 736 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 737 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 738 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 739 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 740 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 741 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */ 742 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */ 743 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */ 744 #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */ 745 #define V4L2_PIX_FMT_MM21 v4l2_fourcc('M', 'M', '2', '1') /* Mediatek 8-bit block mode, two non-contiguous planes */ 746 #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */ 747 #define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */ 748 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* BTTV 8-bit dithered RGB */ 749 750 /* 10bit raw bayer packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */ 751 #define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */ 752 #define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */ 753 #define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */ 754 #define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */ 755 756 /* SDR formats - used only for Software Defined Radio devices */ 757 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 758 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 759 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 760 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 761 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 762 #define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */ 763 #define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */ 764 #define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */ 765 766 /* Touch formats - used for Touch devices */ 767 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */ 768 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */ 769 #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */ 770 #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */ 771 772 /* Meta-data formats */ 773 #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */ 774 #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */ 775 #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */ 776 #define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */ 777 #define V4L2_META_FMT_VIVID v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */ 778 779 /* Vendor specific - used for RK_ISP1 camera sub-system */ 780 #define V4L2_META_FMT_RK_ISP1_PARAMS v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */ 781 #define V4L2_META_FMT_RK_ISP1_STAT_3A v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */ 782 783 /* priv field value to indicates that subsequent fields are valid. */ 784 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 785 786 /* Flags */ 787 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 788 #define V4L2_PIX_FMT_FLAG_SET_CSC 0x00000002 789 790 /* 791 * F O R M A T E N U M E R A T I O N 792 */ 793 struct v4l2_fmtdesc { 794 __u32 index; /* Format number */ 795 __u32 type; /* enum v4l2_buf_type */ 796 __u32 flags; 797 __u8 description[32]; /* Description string */ 798 __u32 pixelformat; /* Format fourcc */ 799 __u32 mbus_code; /* Media bus code */ 800 __u32 reserved[3]; 801 }; 802 803 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 804 #define V4L2_FMT_FLAG_EMULATED 0x0002 805 #define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM 0x0004 806 #define V4L2_FMT_FLAG_DYN_RESOLUTION 0x0008 807 #define V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL 0x0010 808 #define V4L2_FMT_FLAG_CSC_COLORSPACE 0x0020 809 #define V4L2_FMT_FLAG_CSC_XFER_FUNC 0x0040 810 #define V4L2_FMT_FLAG_CSC_YCBCR_ENC 0x0080 811 #define V4L2_FMT_FLAG_CSC_HSV_ENC V4L2_FMT_FLAG_CSC_YCBCR_ENC 812 #define V4L2_FMT_FLAG_CSC_QUANTIZATION 0x0100 813 814 /* Frame Size and frame rate enumeration */ 815 /* 816 * F R A M E S I Z E E N U M E R A T I O N 817 */ 818 enum v4l2_frmsizetypes { 819 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 820 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 821 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 822 }; 823 824 struct v4l2_frmsize_discrete { 825 __u32 width; /* Frame width [pixel] */ 826 __u32 height; /* Frame height [pixel] */ 827 }; 828 829 struct v4l2_frmsize_stepwise { 830 __u32 min_width; /* Minimum frame width [pixel] */ 831 __u32 max_width; /* Maximum frame width [pixel] */ 832 __u32 step_width; /* Frame width step size [pixel] */ 833 __u32 min_height; /* Minimum frame height [pixel] */ 834 __u32 max_height; /* Maximum frame height [pixel] */ 835 __u32 step_height; /* Frame height step size [pixel] */ 836 }; 837 838 struct v4l2_frmsizeenum { 839 __u32 index; /* Frame size number */ 840 __u32 pixel_format; /* Pixel format */ 841 __u32 type; /* Frame size type the device supports. */ 842 843 union { /* Frame size */ 844 struct v4l2_frmsize_discrete discrete; 845 struct v4l2_frmsize_stepwise stepwise; 846 }; 847 848 __u32 reserved[2]; /* Reserved space for future use */ 849 }; 850 851 /* 852 * F R A M E R A T E E N U M E R A T I O N 853 */ 854 enum v4l2_frmivaltypes { 855 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 856 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 857 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 858 }; 859 860 struct v4l2_frmival_stepwise { 861 struct v4l2_fract min; /* Minimum frame interval [s] */ 862 struct v4l2_fract max; /* Maximum frame interval [s] */ 863 struct v4l2_fract step; /* Frame interval step size [s] */ 864 }; 865 866 struct v4l2_frmivalenum { 867 __u32 index; /* Frame format index */ 868 __u32 pixel_format; /* Pixel format */ 869 __u32 width; /* Frame width */ 870 __u32 height; /* Frame height */ 871 __u32 type; /* Frame interval type the device supports. */ 872 873 union { /* Frame interval */ 874 struct v4l2_fract discrete; 875 struct v4l2_frmival_stepwise stepwise; 876 }; 877 878 __u32 reserved[2]; /* Reserved space for future use */ 879 }; 880 881 /* 882 * T I M E C O D E 883 */ 884 struct v4l2_timecode { 885 __u32 type; 886 __u32 flags; 887 __u8 frames; 888 __u8 seconds; 889 __u8 minutes; 890 __u8 hours; 891 __u8 userbits[4]; 892 }; 893 894 /* Type */ 895 #define V4L2_TC_TYPE_24FPS 1 896 #define V4L2_TC_TYPE_25FPS 2 897 #define V4L2_TC_TYPE_30FPS 3 898 #define V4L2_TC_TYPE_50FPS 4 899 #define V4L2_TC_TYPE_60FPS 5 900 901 /* Flags */ 902 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 903 #define V4L2_TC_FLAG_COLORFRAME 0x0002 904 #define V4L2_TC_USERBITS_field 0x000C 905 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 906 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 907 /* The above is based on SMPTE timecodes */ 908 909 struct v4l2_jpegcompression { 910 int quality; 911 912 int APPn; /* Number of APP segment to be written, 913 * must be 0..15 */ 914 int APP_len; /* Length of data in JPEG APPn segment */ 915 char APP_data[60]; /* Data in the JPEG APPn segment. */ 916 917 int COM_len; /* Length of data in JPEG COM segment */ 918 char COM_data[60]; /* Data in JPEG COM segment */ 919 920 __u32 jpeg_markers; /* Which markers should go into the JPEG 921 * output. Unless you exactly know what 922 * you do, leave them untouched. 923 * Including less markers will make the 924 * resulting code smaller, but there will 925 * be fewer applications which can read it. 926 * The presence of the APP and COM marker 927 * is influenced by APP_len and COM_len 928 * ONLY, not by this property! */ 929 930 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 931 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 932 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 933 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 934 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 935 * always use APP0 */ 936 }; 937 938 /* 939 * M E M O R Y - M A P P I N G B U F F E R S 940 */ 941 942 #ifdef __KERNEL__ 943 /* 944 * This corresponds to the user space version of timeval 945 * for 64-bit time_t. sparc64 is different from everyone 946 * else, using the microseconds in the wrong half of the 947 * second 64-bit word. 948 */ 949 struct __kernel_v4l2_timeval { 950 long long tv_sec; 951 #if defined(__sparc__) && defined(__arch64__) 952 int tv_usec; 953 int __pad; 954 #else 955 long long tv_usec; 956 #endif 957 }; 958 #endif 959 960 struct v4l2_requestbuffers { 961 __u32 count; 962 __u32 type; /* enum v4l2_buf_type */ 963 __u32 memory; /* enum v4l2_memory */ 964 __u32 capabilities; 965 __u8 flags; 966 __u8 reserved[3]; 967 }; 968 969 #define V4L2_MEMORY_FLAG_NON_COHERENT (1 << 0) 970 971 /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */ 972 #define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0) 973 #define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1) 974 #define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2) 975 #define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3) 976 #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4) 977 #define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5) 978 #define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS (1 << 6) 979 980 /** 981 * struct v4l2_plane - plane info for multi-planar buffers 982 * @bytesused: number of bytes occupied by data in the plane (payload) 983 * @length: size of this plane (NOT the payload) in bytes 984 * @mem_offset: when memory in the associated struct v4l2_buffer is 985 * V4L2_MEMORY_MMAP, equals the offset from the start of 986 * the device memory for this plane (or is a "cookie" that 987 * should be passed to mmap() called on the video node) 988 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 989 * pointing to this plane 990 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 991 * descriptor associated with this plane 992 * @m: union of @mem_offset, @userptr and @fd 993 * @data_offset: offset in the plane to the start of data; usually 0, 994 * unless there is a header in front of the data 995 * @reserved: drivers and applications must zero this array 996 * 997 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 998 * with two planes can have one plane for Y, and another for interleaved CbCr 999 * components. Each plane can reside in a separate memory buffer, or even in 1000 * a completely separate memory node (e.g. in embedded devices). 1001 */ 1002 struct v4l2_plane { 1003 __u32 bytesused; 1004 __u32 length; 1005 union { 1006 __u32 mem_offset; 1007 unsigned long userptr; 1008 __s32 fd; 1009 } m; 1010 __u32 data_offset; 1011 __u32 reserved[11]; 1012 }; 1013 1014 /** 1015 * struct v4l2_buffer - video buffer info 1016 * @index: id number of the buffer 1017 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 1018 * multiplanar buffers); 1019 * @bytesused: number of bytes occupied by data in the buffer (payload); 1020 * unused (set to 0) for multiplanar buffers 1021 * @flags: buffer informational flags 1022 * @field: enum v4l2_field; field order of the image in the buffer 1023 * @timestamp: frame timestamp 1024 * @timecode: frame timecode 1025 * @sequence: sequence count of this frame 1026 * @memory: enum v4l2_memory; the method, in which the actual video data is 1027 * passed 1028 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 1029 * offset from the start of the device memory for this plane, 1030 * (or a "cookie" that should be passed to mmap() as offset) 1031 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 1032 * a userspace pointer pointing to this buffer 1033 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 1034 * a userspace file descriptor associated with this buffer 1035 * @planes: for multiplanar buffers; userspace pointer to the array of plane 1036 * info structs for this buffer 1037 * @m: union of @offset, @userptr, @planes and @fd 1038 * @length: size in bytes of the buffer (NOT its payload) for single-plane 1039 * buffers (when type != *_MPLANE); number of elements in the 1040 * planes array for multi-plane buffers 1041 * @reserved2: drivers and applications must zero this field 1042 * @request_fd: fd of the request that this buffer should use 1043 * @reserved: for backwards compatibility with applications that do not know 1044 * about @request_fd 1045 * 1046 * Contains data exchanged by application and driver using one of the Streaming 1047 * I/O methods. 1048 */ 1049 struct v4l2_buffer { 1050 __u32 index; 1051 __u32 type; 1052 __u32 bytesused; 1053 __u32 flags; 1054 __u32 field; 1055 #ifdef __KERNEL__ 1056 struct __kernel_v4l2_timeval timestamp; 1057 #else 1058 struct timeval timestamp; 1059 #endif 1060 struct v4l2_timecode timecode; 1061 __u32 sequence; 1062 1063 /* memory location */ 1064 __u32 memory; 1065 union { 1066 __u32 offset; 1067 unsigned long userptr; 1068 struct v4l2_plane *planes; 1069 __s32 fd; 1070 } m; 1071 __u32 length; 1072 __u32 reserved2; 1073 union { 1074 __s32 request_fd; 1075 __u32 reserved; 1076 }; 1077 }; 1078 1079 #ifndef __KERNEL__ 1080 /** 1081 * v4l2_timeval_to_ns - Convert timeval to nanoseconds 1082 * @tv: pointer to the timeval variable to be converted 1083 * 1084 * Returns the scalar nanosecond representation of the timeval 1085 * parameter. 1086 */ 1087 static inline __u64 v4l2_timeval_to_ns(const struct timeval *tv) 1088 { 1089 return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000; 1090 } 1091 #endif 1092 1093 /* Flags for 'flags' field */ 1094 /* Buffer is mapped (flag) */ 1095 #define V4L2_BUF_FLAG_MAPPED 0x00000001 1096 /* Buffer is queued for processing */ 1097 #define V4L2_BUF_FLAG_QUEUED 0x00000002 1098 /* Buffer is ready */ 1099 #define V4L2_BUF_FLAG_DONE 0x00000004 1100 /* Image is a keyframe (I-frame) */ 1101 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008 1102 /* Image is a P-frame */ 1103 #define V4L2_BUF_FLAG_PFRAME 0x00000010 1104 /* Image is a B-frame */ 1105 #define V4L2_BUF_FLAG_BFRAME 0x00000020 1106 /* Buffer is ready, but the data contained within is corrupted. */ 1107 #define V4L2_BUF_FLAG_ERROR 0x00000040 1108 /* Buffer is added to an unqueued request */ 1109 #define V4L2_BUF_FLAG_IN_REQUEST 0x00000080 1110 /* timecode field is valid */ 1111 #define V4L2_BUF_FLAG_TIMECODE 0x00000100 1112 /* Don't return the capture buffer until OUTPUT timestamp changes */ 1113 #define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF 0x00000200 1114 /* Buffer is prepared for queuing */ 1115 #define V4L2_BUF_FLAG_PREPARED 0x00000400 1116 /* Cache handling flags */ 1117 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 1118 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 1119 /* Timestamp type */ 1120 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 1121 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 1122 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 1123 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 1124 /* Timestamp sources. */ 1125 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 1126 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 1127 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 1128 /* mem2mem encoder/decoder */ 1129 #define V4L2_BUF_FLAG_LAST 0x00100000 1130 /* request_fd is valid */ 1131 #define V4L2_BUF_FLAG_REQUEST_FD 0x00800000 1132 1133 /** 1134 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 1135 * 1136 * @index: id number of the buffer 1137 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 1138 * multiplanar buffers); 1139 * @plane: index of the plane to be exported, 0 for single plane queues 1140 * @flags: flags for newly created file, currently only O_CLOEXEC is 1141 * supported, refer to manual of open syscall for more details 1142 * @fd: file descriptor associated with DMABUF (set by driver) 1143 * @reserved: drivers and applications must zero this array 1144 * 1145 * Contains data used for exporting a video buffer as DMABUF file descriptor. 1146 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 1147 * (identical to the cookie used to mmap() the buffer to userspace). All 1148 * reserved fields must be set to zero. The field reserved0 is expected to 1149 * become a structure 'type' allowing an alternative layout of the structure 1150 * content. Therefore this field should not be used for any other extensions. 1151 */ 1152 struct v4l2_exportbuffer { 1153 __u32 type; /* enum v4l2_buf_type */ 1154 __u32 index; 1155 __u32 plane; 1156 __u32 flags; 1157 __s32 fd; 1158 __u32 reserved[11]; 1159 }; 1160 1161 /* 1162 * O V E R L A Y P R E V I E W 1163 */ 1164 struct v4l2_framebuffer { 1165 __u32 capability; 1166 __u32 flags; 1167 /* FIXME: in theory we should pass something like PCI device + memory 1168 * region + offset instead of some physical address */ 1169 void *base; 1170 struct { 1171 __u32 width; 1172 __u32 height; 1173 __u32 pixelformat; 1174 __u32 field; /* enum v4l2_field */ 1175 __u32 bytesperline; /* for padding, zero if unused */ 1176 __u32 sizeimage; 1177 __u32 colorspace; /* enum v4l2_colorspace */ 1178 __u32 priv; /* reserved field, set to 0 */ 1179 } fmt; 1180 }; 1181 /* Flags for the 'capability' field. Read only */ 1182 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 1183 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 1184 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 1185 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 1186 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 1187 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 1188 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 1189 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 1190 /* Flags for the 'flags' field. */ 1191 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 1192 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 1193 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 1194 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 1195 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 1196 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 1197 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 1198 1199 struct v4l2_clip { 1200 struct v4l2_rect c; 1201 struct v4l2_clip __user *next; 1202 }; 1203 1204 struct v4l2_window { 1205 struct v4l2_rect w; 1206 __u32 field; /* enum v4l2_field */ 1207 __u32 chromakey; 1208 struct v4l2_clip *clips; 1209 __u32 clipcount; 1210 void __user *bitmap; 1211 __u8 global_alpha; 1212 }; 1213 1214 /* 1215 * C A P T U R E P A R A M E T E R S 1216 */ 1217 struct v4l2_captureparm { 1218 __u32 capability; /* Supported modes */ 1219 __u32 capturemode; /* Current mode */ 1220 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1221 __u32 extendedmode; /* Driver-specific extensions */ 1222 __u32 readbuffers; /* # of buffers for read */ 1223 __u32 reserved[4]; 1224 }; 1225 1226 /* Flags for 'capability' and 'capturemode' fields */ 1227 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 1228 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 1229 1230 struct v4l2_outputparm { 1231 __u32 capability; /* Supported modes */ 1232 __u32 outputmode; /* Current mode */ 1233 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1234 __u32 extendedmode; /* Driver-specific extensions */ 1235 __u32 writebuffers; /* # of buffers for write */ 1236 __u32 reserved[4]; 1237 }; 1238 1239 /* 1240 * I N P U T I M A G E C R O P P I N G 1241 */ 1242 struct v4l2_cropcap { 1243 __u32 type; /* enum v4l2_buf_type */ 1244 struct v4l2_rect bounds; 1245 struct v4l2_rect defrect; 1246 struct v4l2_fract pixelaspect; 1247 }; 1248 1249 struct v4l2_crop { 1250 __u32 type; /* enum v4l2_buf_type */ 1251 struct v4l2_rect c; 1252 }; 1253 1254 /** 1255 * struct v4l2_selection - selection info 1256 * @type: buffer type (do not use *_MPLANE types) 1257 * @target: Selection target, used to choose one of possible rectangles; 1258 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 1259 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 1260 * @r: coordinates of selection window 1261 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 1262 * 1263 * Hardware may use multiple helper windows to process a video stream. 1264 * The structure is used to exchange this selection areas between 1265 * an application and a driver. 1266 */ 1267 struct v4l2_selection { 1268 __u32 type; 1269 __u32 target; 1270 __u32 flags; 1271 struct v4l2_rect r; 1272 __u32 reserved[9]; 1273 }; 1274 1275 1276 /* 1277 * A N A L O G V I D E O S T A N D A R D 1278 */ 1279 1280 typedef __u64 v4l2_std_id; 1281 1282 /* 1283 * Attention: Keep the V4L2_STD_* bit definitions in sync with 1284 * include/dt-bindings/display/sdtv-standards.h SDTV_STD_* bit definitions. 1285 */ 1286 /* one bit for each */ 1287 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 1288 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 1289 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 1290 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 1291 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 1292 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 1293 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 1294 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 1295 1296 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 1297 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 1298 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 1299 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 1300 1301 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 1302 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 1303 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 1304 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 1305 1306 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 1307 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 1308 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 1309 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 1310 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 1311 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 1312 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 1313 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 1314 1315 /* ATSC/HDTV */ 1316 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 1317 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 1318 1319 /* FIXME: 1320 Although std_id is 64 bits, there is an issue on PPC32 architecture that 1321 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 1322 this value to 32 bits. 1323 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 1324 it should work fine. However, if needed to add more than two standards, 1325 v4l2-common.c should be fixed. 1326 */ 1327 1328 /* 1329 * Some macros to merge video standards in order to make live easier for the 1330 * drivers and V4L2 applications 1331 */ 1332 1333 /* 1334 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 1335 * Missing here. 1336 */ 1337 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 1338 V4L2_STD_NTSC_M_JP |\ 1339 V4L2_STD_NTSC_M_KR) 1340 /* Secam macros */ 1341 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 1342 V4L2_STD_SECAM_K |\ 1343 V4L2_STD_SECAM_K1) 1344 /* All Secam Standards */ 1345 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 1346 V4L2_STD_SECAM_G |\ 1347 V4L2_STD_SECAM_H |\ 1348 V4L2_STD_SECAM_DK |\ 1349 V4L2_STD_SECAM_L |\ 1350 V4L2_STD_SECAM_LC) 1351 /* PAL macros */ 1352 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 1353 V4L2_STD_PAL_B1 |\ 1354 V4L2_STD_PAL_G) 1355 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1356 V4L2_STD_PAL_D1 |\ 1357 V4L2_STD_PAL_K) 1358 /* 1359 * "Common" PAL - This macro is there to be compatible with the old 1360 * V4L1 concept of "PAL": /BGDKHI. 1361 * Several PAL standards are missing here: /M, /N and /Nc 1362 */ 1363 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1364 V4L2_STD_PAL_DK |\ 1365 V4L2_STD_PAL_H |\ 1366 V4L2_STD_PAL_I) 1367 /* Chroma "agnostic" standards */ 1368 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 1369 V4L2_STD_PAL_B1 |\ 1370 V4L2_STD_SECAM_B) 1371 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 1372 V4L2_STD_SECAM_G) 1373 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 1374 V4L2_STD_SECAM_H) 1375 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1376 V4L2_STD_SECAM_LC) 1377 #define V4L2_STD_GH (V4L2_STD_G |\ 1378 V4L2_STD_H) 1379 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1380 V4L2_STD_SECAM_DK) 1381 #define V4L2_STD_BG (V4L2_STD_B |\ 1382 V4L2_STD_G) 1383 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1384 V4L2_STD_PAL_N |\ 1385 V4L2_STD_PAL_Nc |\ 1386 V4L2_STD_NTSC) 1387 1388 /* Standards where MTS/BTSC stereo could be found */ 1389 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1390 V4L2_STD_PAL_M |\ 1391 V4L2_STD_PAL_N |\ 1392 V4L2_STD_PAL_Nc) 1393 1394 /* Standards for Countries with 60Hz Line frequency */ 1395 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1396 V4L2_STD_PAL_60 |\ 1397 V4L2_STD_NTSC |\ 1398 V4L2_STD_NTSC_443) 1399 /* Standards for Countries with 50Hz Line frequency */ 1400 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1401 V4L2_STD_PAL_N |\ 1402 V4L2_STD_PAL_Nc |\ 1403 V4L2_STD_SECAM) 1404 1405 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1406 V4L2_STD_ATSC_16_VSB) 1407 /* Macros with none and all analog standards */ 1408 #define V4L2_STD_UNKNOWN 0 1409 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1410 V4L2_STD_625_50) 1411 1412 struct v4l2_standard { 1413 __u32 index; 1414 v4l2_std_id id; 1415 __u8 name[24]; 1416 struct v4l2_fract frameperiod; /* Frames, not fields */ 1417 __u32 framelines; 1418 __u32 reserved[4]; 1419 }; 1420 1421 /* 1422 * D V B T T I M I N G S 1423 */ 1424 1425 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1426 * @width: total width of the active video in pixels 1427 * @height: total height of the active video in lines 1428 * @interlaced: Interlaced or progressive 1429 * @polarities: Positive or negative polarities 1430 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1431 * @hfrontporch:Horizontal front porch in pixels 1432 * @hsync: Horizontal Sync length in pixels 1433 * @hbackporch: Horizontal back porch in pixels 1434 * @vfrontporch:Vertical front porch in lines 1435 * @vsync: Vertical Sync length in lines 1436 * @vbackporch: Vertical back porch in lines 1437 * @il_vfrontporch:Vertical front porch for the even field 1438 * (aka field 2) of interlaced field formats 1439 * @il_vsync: Vertical Sync length for the even field 1440 * (aka field 2) of interlaced field formats 1441 * @il_vbackporch:Vertical back porch for the even field 1442 * (aka field 2) of interlaced field formats 1443 * @standards: Standards the timing belongs to 1444 * @flags: Flags 1445 * @picture_aspect: The picture aspect ratio (hor/vert). 1446 * @cea861_vic: VIC code as per the CEA-861 standard. 1447 * @hdmi_vic: VIC code as per the HDMI standard. 1448 * @reserved: Reserved fields, must be zeroed. 1449 * 1450 * A note regarding vertical interlaced timings: height refers to the total 1451 * height of the active video frame (= two fields). The blanking timings refer 1452 * to the blanking of each field. So the height of the total frame is 1453 * calculated as follows: 1454 * 1455 * tot_height = height + vfrontporch + vsync + vbackporch + 1456 * il_vfrontporch + il_vsync + il_vbackporch 1457 * 1458 * The active height of each field is height / 2. 1459 */ 1460 struct v4l2_bt_timings { 1461 __u32 width; 1462 __u32 height; 1463 __u32 interlaced; 1464 __u32 polarities; 1465 __u64 pixelclock; 1466 __u32 hfrontporch; 1467 __u32 hsync; 1468 __u32 hbackporch; 1469 __u32 vfrontporch; 1470 __u32 vsync; 1471 __u32 vbackporch; 1472 __u32 il_vfrontporch; 1473 __u32 il_vsync; 1474 __u32 il_vbackporch; 1475 __u32 standards; 1476 __u32 flags; 1477 struct v4l2_fract picture_aspect; 1478 __u8 cea861_vic; 1479 __u8 hdmi_vic; 1480 __u8 reserved[46]; 1481 } __attribute__ ((packed)); 1482 1483 /* Interlaced or progressive format */ 1484 #define V4L2_DV_PROGRESSIVE 0 1485 #define V4L2_DV_INTERLACED 1 1486 1487 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1488 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1489 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1490 1491 /* Timings standards */ 1492 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1493 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1494 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1495 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1496 #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */ 1497 1498 /* Flags */ 1499 1500 /* 1501 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1502 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1503 * intervals are reduced, allowing a higher resolution over the same 1504 * bandwidth. This is a read-only flag. 1505 */ 1506 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1507 /* 1508 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1509 * of six. These formats can be optionally played at 1 / 1.001 speed. 1510 * This is a read-only flag. 1511 */ 1512 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1513 /* 1514 * CEA-861 specific: only valid for video transmitters, the flag is cleared 1515 * by receivers. 1516 * If the framerate of the format is a multiple of six, then the pixelclock 1517 * used to set up the transmitter is divided by 1.001 to make it compatible 1518 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1519 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1520 * such frequencies, then the flag will also be cleared. 1521 */ 1522 #define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1523 /* 1524 * Specific to interlaced formats: if set, then field 1 is really one half-line 1525 * longer and field 2 is really one half-line shorter, so each field has 1526 * exactly the same number of half-lines. Whether half-lines can be detected 1527 * or used depends on the hardware. 1528 */ 1529 #define V4L2_DV_FL_HALF_LINE (1 << 3) 1530 /* 1531 * If set, then this is a Consumer Electronics (CE) video format. Such formats 1532 * differ from other formats (commonly called IT formats) in that if RGB 1533 * encoding is used then by default the RGB values use limited range (i.e. 1534 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861 1535 * except for the 640x480 format are CE formats. 1536 */ 1537 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4) 1538 /* Some formats like SMPTE-125M have an interlaced signal with a odd 1539 * total height. For these formats, if this flag is set, the first 1540 * field has the extra line. If not, it is the second field. 1541 */ 1542 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5) 1543 /* 1544 * If set, then the picture_aspect field is valid. Otherwise assume that the 1545 * pixels are square, so the picture aspect ratio is the same as the width to 1546 * height ratio. 1547 */ 1548 #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6) 1549 /* 1550 * If set, then the cea861_vic field is valid and contains the Video 1551 * Identification Code as per the CEA-861 standard. 1552 */ 1553 #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7) 1554 /* 1555 * If set, then the hdmi_vic field is valid and contains the Video 1556 * Identification Code as per the HDMI standard (HDMI Vendor Specific 1557 * InfoFrame). 1558 */ 1559 #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8) 1560 /* 1561 * CEA-861 specific: only valid for video receivers. 1562 * If set, then HW can detect the difference between regular FPS and 1563 * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with 1564 * the V4L2_DV_FL_CAN_REDUCE_FPS flag set. 1565 */ 1566 #define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9) 1567 1568 /* A few useful defines to calculate the total blanking and frame sizes */ 1569 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1570 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1571 #define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1572 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1573 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1574 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1575 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) 1576 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1577 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1578 1579 /** struct v4l2_dv_timings - DV timings 1580 * @type: the type of the timings 1581 * @bt: BT656/1120 timings 1582 */ 1583 struct v4l2_dv_timings { 1584 __u32 type; 1585 union { 1586 struct v4l2_bt_timings bt; 1587 __u32 reserved[32]; 1588 }; 1589 } __attribute__ ((packed)); 1590 1591 /* Values for the type field */ 1592 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1593 1594 1595 /** struct v4l2_enum_dv_timings - DV timings enumeration 1596 * @index: enumeration index 1597 * @pad: the pad number for which to enumerate timings (used with 1598 * v4l-subdev nodes only) 1599 * @reserved: must be zeroed 1600 * @timings: the timings for the given index 1601 */ 1602 struct v4l2_enum_dv_timings { 1603 __u32 index; 1604 __u32 pad; 1605 __u32 reserved[2]; 1606 struct v4l2_dv_timings timings; 1607 }; 1608 1609 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1610 * @min_width: width in pixels 1611 * @max_width: width in pixels 1612 * @min_height: height in lines 1613 * @max_height: height in lines 1614 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1615 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1616 * @standards: Supported standards 1617 * @capabilities: Supported capabilities 1618 * @reserved: Must be zeroed 1619 */ 1620 struct v4l2_bt_timings_cap { 1621 __u32 min_width; 1622 __u32 max_width; 1623 __u32 min_height; 1624 __u32 max_height; 1625 __u64 min_pixelclock; 1626 __u64 max_pixelclock; 1627 __u32 standards; 1628 __u32 capabilities; 1629 __u32 reserved[16]; 1630 } __attribute__ ((packed)); 1631 1632 /* Supports interlaced formats */ 1633 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1634 /* Supports progressive formats */ 1635 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1636 /* Supports CVT/GTF reduced blanking */ 1637 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1638 /* Supports custom formats */ 1639 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1640 1641 /** struct v4l2_dv_timings_cap - DV timings capabilities 1642 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1643 * @pad: the pad number for which to query capabilities (used with 1644 * v4l-subdev nodes only) 1645 * @bt: the BT656/1120 timings capabilities 1646 */ 1647 struct v4l2_dv_timings_cap { 1648 __u32 type; 1649 __u32 pad; 1650 __u32 reserved[2]; 1651 union { 1652 struct v4l2_bt_timings_cap bt; 1653 __u32 raw_data[32]; 1654 }; 1655 }; 1656 1657 1658 /* 1659 * V I D E O I N P U T S 1660 */ 1661 struct v4l2_input { 1662 __u32 index; /* Which input */ 1663 __u8 name[32]; /* Label */ 1664 __u32 type; /* Type of input */ 1665 __u32 audioset; /* Associated audios (bitfield) */ 1666 __u32 tuner; /* enum v4l2_tuner_type */ 1667 v4l2_std_id std; 1668 __u32 status; 1669 __u32 capabilities; 1670 __u32 reserved[3]; 1671 }; 1672 1673 /* Values for the 'type' field */ 1674 #define V4L2_INPUT_TYPE_TUNER 1 1675 #define V4L2_INPUT_TYPE_CAMERA 2 1676 #define V4L2_INPUT_TYPE_TOUCH 3 1677 1678 /* field 'status' - general */ 1679 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1680 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1681 #define V4L2_IN_ST_NO_COLOR 0x00000004 1682 1683 /* field 'status' - sensor orientation */ 1684 /* If sensor is mounted upside down set both bits */ 1685 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1686 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1687 1688 /* field 'status' - analog */ 1689 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1690 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1691 #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */ 1692 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */ 1693 1694 /* field 'status' - digital */ 1695 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1696 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1697 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1698 1699 /* field 'status' - VCR and set-top box */ 1700 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1701 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1702 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1703 1704 /* capabilities flags */ 1705 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1706 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1707 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1708 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1709 1710 /* 1711 * V I D E O O U T P U T S 1712 */ 1713 struct v4l2_output { 1714 __u32 index; /* Which output */ 1715 __u8 name[32]; /* Label */ 1716 __u32 type; /* Type of output */ 1717 __u32 audioset; /* Associated audios (bitfield) */ 1718 __u32 modulator; /* Associated modulator */ 1719 v4l2_std_id std; 1720 __u32 capabilities; 1721 __u32 reserved[3]; 1722 }; 1723 /* Values for the 'type' field */ 1724 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1725 #define V4L2_OUTPUT_TYPE_ANALOG 2 1726 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1727 1728 /* capabilities flags */ 1729 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1730 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1731 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1732 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1733 1734 /* 1735 * C O N T R O L S 1736 */ 1737 struct v4l2_control { 1738 __u32 id; 1739 __s32 value; 1740 }; 1741 1742 struct v4l2_ext_control { 1743 __u32 id; 1744 __u32 size; 1745 __u32 reserved2[1]; 1746 union { 1747 __s32 value; 1748 __s64 value64; 1749 char __user *string; 1750 __u8 __user *p_u8; 1751 __u16 __user *p_u16; 1752 __u32 __user *p_u32; 1753 struct v4l2_area __user *p_area; 1754 struct v4l2_ctrl_h264_sps __user *p_h264_sps; 1755 struct v4l2_ctrl_h264_pps *p_h264_pps; 1756 struct v4l2_ctrl_h264_scaling_matrix __user *p_h264_scaling_matrix; 1757 struct v4l2_ctrl_h264_pred_weights __user *p_h264_pred_weights; 1758 struct v4l2_ctrl_h264_slice_params __user *p_h264_slice_params; 1759 struct v4l2_ctrl_h264_decode_params __user *p_h264_decode_params; 1760 struct v4l2_ctrl_fwht_params __user *p_fwht_params; 1761 struct v4l2_ctrl_vp8_frame __user *p_vp8_frame; 1762 struct v4l2_ctrl_mpeg2_sequence __user *p_mpeg2_sequence; 1763 struct v4l2_ctrl_mpeg2_picture __user *p_mpeg2_picture; 1764 struct v4l2_ctrl_mpeg2_quantisation __user *p_mpeg2_quantisation; 1765 struct v4l2_ctrl_vp9_compressed_hdr __user *p_vp9_compressed_hdr_probs; 1766 struct v4l2_ctrl_vp9_frame __user *p_vp9_frame; 1767 void __user *ptr; 1768 }; 1769 } __attribute__ ((packed)); 1770 1771 struct v4l2_ext_controls { 1772 union { 1773 #ifndef __KERNEL__ 1774 __u32 ctrl_class; 1775 #endif 1776 __u32 which; 1777 }; 1778 __u32 count; 1779 __u32 error_idx; 1780 __s32 request_fd; 1781 __u32 reserved[1]; 1782 struct v4l2_ext_control *controls; 1783 }; 1784 1785 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1786 #ifndef __KERNEL__ 1787 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1788 #endif 1789 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL) 1790 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1791 #define V4L2_CTRL_MAX_DIMS (4) 1792 #define V4L2_CTRL_WHICH_CUR_VAL 0 1793 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000 1794 #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000 1795 1796 enum v4l2_ctrl_type { 1797 V4L2_CTRL_TYPE_INTEGER = 1, 1798 V4L2_CTRL_TYPE_BOOLEAN = 2, 1799 V4L2_CTRL_TYPE_MENU = 3, 1800 V4L2_CTRL_TYPE_BUTTON = 4, 1801 V4L2_CTRL_TYPE_INTEGER64 = 5, 1802 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1803 V4L2_CTRL_TYPE_STRING = 7, 1804 V4L2_CTRL_TYPE_BITMASK = 8, 1805 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1806 1807 /* Compound types are >= 0x0100 */ 1808 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1809 V4L2_CTRL_TYPE_U8 = 0x0100, 1810 V4L2_CTRL_TYPE_U16 = 0x0101, 1811 V4L2_CTRL_TYPE_U32 = 0x0102, 1812 V4L2_CTRL_TYPE_AREA = 0x0106, 1813 1814 V4L2_CTRL_TYPE_HDR10_CLL_INFO = 0x0110, 1815 V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY = 0x0111, 1816 1817 V4L2_CTRL_TYPE_H264_SPS = 0x0200, 1818 V4L2_CTRL_TYPE_H264_PPS = 0x0201, 1819 V4L2_CTRL_TYPE_H264_SCALING_MATRIX = 0x0202, 1820 V4L2_CTRL_TYPE_H264_SLICE_PARAMS = 0x0203, 1821 V4L2_CTRL_TYPE_H264_DECODE_PARAMS = 0x0204, 1822 V4L2_CTRL_TYPE_H264_PRED_WEIGHTS = 0x0205, 1823 1824 V4L2_CTRL_TYPE_FWHT_PARAMS = 0x0220, 1825 1826 V4L2_CTRL_TYPE_VP8_FRAME = 0x0240, 1827 1828 V4L2_CTRL_TYPE_MPEG2_QUANTISATION = 0x0250, 1829 V4L2_CTRL_TYPE_MPEG2_SEQUENCE = 0x0251, 1830 V4L2_CTRL_TYPE_MPEG2_PICTURE = 0x0252, 1831 1832 V4L2_CTRL_TYPE_VP9_COMPRESSED_HDR = 0x0260, 1833 V4L2_CTRL_TYPE_VP9_FRAME = 0x0261, 1834 }; 1835 1836 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1837 struct v4l2_queryctrl { 1838 __u32 id; 1839 __u32 type; /* enum v4l2_ctrl_type */ 1840 __u8 name[32]; /* Whatever */ 1841 __s32 minimum; /* Note signedness */ 1842 __s32 maximum; 1843 __s32 step; 1844 __s32 default_value; 1845 __u32 flags; 1846 __u32 reserved[2]; 1847 }; 1848 1849 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1850 struct v4l2_query_ext_ctrl { 1851 __u32 id; 1852 __u32 type; 1853 char name[32]; 1854 __s64 minimum; 1855 __s64 maximum; 1856 __u64 step; 1857 __s64 default_value; 1858 __u32 flags; 1859 __u32 elem_size; 1860 __u32 elems; 1861 __u32 nr_of_dims; 1862 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1863 __u32 reserved[32]; 1864 }; 1865 1866 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1867 struct v4l2_querymenu { 1868 __u32 id; 1869 __u32 index; 1870 union { 1871 __u8 name[32]; /* Whatever */ 1872 __s64 value; 1873 }; 1874 __u32 reserved; 1875 } __attribute__ ((packed)); 1876 1877 /* Control flags */ 1878 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1879 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1880 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1881 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1882 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1883 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1884 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1885 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1886 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1887 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 1888 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400 1889 1890 /* Query flags, to be ORed with the control ID */ 1891 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1892 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1893 1894 /* User-class control IDs defined by V4L2 */ 1895 #define V4L2_CID_MAX_CTRLS 1024 1896 /* IDs reserved for driver specific controls */ 1897 #define V4L2_CID_PRIVATE_BASE 0x08000000 1898 1899 1900 /* 1901 * T U N I N G 1902 */ 1903 struct v4l2_tuner { 1904 __u32 index; 1905 __u8 name[32]; 1906 __u32 type; /* enum v4l2_tuner_type */ 1907 __u32 capability; 1908 __u32 rangelow; 1909 __u32 rangehigh; 1910 __u32 rxsubchans; 1911 __u32 audmode; 1912 __s32 signal; 1913 __s32 afc; 1914 __u32 reserved[4]; 1915 }; 1916 1917 struct v4l2_modulator { 1918 __u32 index; 1919 __u8 name[32]; 1920 __u32 capability; 1921 __u32 rangelow; 1922 __u32 rangehigh; 1923 __u32 txsubchans; 1924 __u32 type; /* enum v4l2_tuner_type */ 1925 __u32 reserved[3]; 1926 }; 1927 1928 /* Flags for the 'capability' field */ 1929 #define V4L2_TUNER_CAP_LOW 0x0001 1930 #define V4L2_TUNER_CAP_NORM 0x0002 1931 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1932 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1933 #define V4L2_TUNER_CAP_STEREO 0x0010 1934 #define V4L2_TUNER_CAP_LANG2 0x0020 1935 #define V4L2_TUNER_CAP_SAP 0x0020 1936 #define V4L2_TUNER_CAP_LANG1 0x0040 1937 #define V4L2_TUNER_CAP_RDS 0x0080 1938 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1939 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1940 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1941 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1942 #define V4L2_TUNER_CAP_1HZ 0x1000 1943 1944 /* Flags for the 'rxsubchans' field */ 1945 #define V4L2_TUNER_SUB_MONO 0x0001 1946 #define V4L2_TUNER_SUB_STEREO 0x0002 1947 #define V4L2_TUNER_SUB_LANG2 0x0004 1948 #define V4L2_TUNER_SUB_SAP 0x0004 1949 #define V4L2_TUNER_SUB_LANG1 0x0008 1950 #define V4L2_TUNER_SUB_RDS 0x0010 1951 1952 /* Values for the 'audmode' field */ 1953 #define V4L2_TUNER_MODE_MONO 0x0000 1954 #define V4L2_TUNER_MODE_STEREO 0x0001 1955 #define V4L2_TUNER_MODE_LANG2 0x0002 1956 #define V4L2_TUNER_MODE_SAP 0x0002 1957 #define V4L2_TUNER_MODE_LANG1 0x0003 1958 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1959 1960 struct v4l2_frequency { 1961 __u32 tuner; 1962 __u32 type; /* enum v4l2_tuner_type */ 1963 __u32 frequency; 1964 __u32 reserved[8]; 1965 }; 1966 1967 #define V4L2_BAND_MODULATION_VSB (1 << 1) 1968 #define V4L2_BAND_MODULATION_FM (1 << 2) 1969 #define V4L2_BAND_MODULATION_AM (1 << 3) 1970 1971 struct v4l2_frequency_band { 1972 __u32 tuner; 1973 __u32 type; /* enum v4l2_tuner_type */ 1974 __u32 index; 1975 __u32 capability; 1976 __u32 rangelow; 1977 __u32 rangehigh; 1978 __u32 modulation; 1979 __u32 reserved[9]; 1980 }; 1981 1982 struct v4l2_hw_freq_seek { 1983 __u32 tuner; 1984 __u32 type; /* enum v4l2_tuner_type */ 1985 __u32 seek_upward; 1986 __u32 wrap_around; 1987 __u32 spacing; 1988 __u32 rangelow; 1989 __u32 rangehigh; 1990 __u32 reserved[5]; 1991 }; 1992 1993 /* 1994 * R D S 1995 */ 1996 1997 struct v4l2_rds_data { 1998 __u8 lsb; 1999 __u8 msb; 2000 __u8 block; 2001 } __attribute__ ((packed)); 2002 2003 #define V4L2_RDS_BLOCK_MSK 0x7 2004 #define V4L2_RDS_BLOCK_A 0 2005 #define V4L2_RDS_BLOCK_B 1 2006 #define V4L2_RDS_BLOCK_C 2 2007 #define V4L2_RDS_BLOCK_D 3 2008 #define V4L2_RDS_BLOCK_C_ALT 4 2009 #define V4L2_RDS_BLOCK_INVALID 7 2010 2011 #define V4L2_RDS_BLOCK_CORRECTED 0x40 2012 #define V4L2_RDS_BLOCK_ERROR 0x80 2013 2014 /* 2015 * A U D I O 2016 */ 2017 struct v4l2_audio { 2018 __u32 index; 2019 __u8 name[32]; 2020 __u32 capability; 2021 __u32 mode; 2022 __u32 reserved[2]; 2023 }; 2024 2025 /* Flags for the 'capability' field */ 2026 #define V4L2_AUDCAP_STEREO 0x00001 2027 #define V4L2_AUDCAP_AVL 0x00002 2028 2029 /* Flags for the 'mode' field */ 2030 #define V4L2_AUDMODE_AVL 0x00001 2031 2032 struct v4l2_audioout { 2033 __u32 index; 2034 __u8 name[32]; 2035 __u32 capability; 2036 __u32 mode; 2037 __u32 reserved[2]; 2038 }; 2039 2040 /* 2041 * M P E G S E R V I C E S 2042 */ 2043 #if 1 2044 #define V4L2_ENC_IDX_FRAME_I (0) 2045 #define V4L2_ENC_IDX_FRAME_P (1) 2046 #define V4L2_ENC_IDX_FRAME_B (2) 2047 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 2048 2049 struct v4l2_enc_idx_entry { 2050 __u64 offset; 2051 __u64 pts; 2052 __u32 length; 2053 __u32 flags; 2054 __u32 reserved[2]; 2055 }; 2056 2057 #define V4L2_ENC_IDX_ENTRIES (64) 2058 struct v4l2_enc_idx { 2059 __u32 entries; 2060 __u32 entries_cap; 2061 __u32 reserved[4]; 2062 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 2063 }; 2064 2065 2066 #define V4L2_ENC_CMD_START (0) 2067 #define V4L2_ENC_CMD_STOP (1) 2068 #define V4L2_ENC_CMD_PAUSE (2) 2069 #define V4L2_ENC_CMD_RESUME (3) 2070 2071 /* Flags for V4L2_ENC_CMD_STOP */ 2072 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 2073 2074 struct v4l2_encoder_cmd { 2075 __u32 cmd; 2076 __u32 flags; 2077 union { 2078 struct { 2079 __u32 data[8]; 2080 } raw; 2081 }; 2082 }; 2083 2084 /* Decoder commands */ 2085 #define V4L2_DEC_CMD_START (0) 2086 #define V4L2_DEC_CMD_STOP (1) 2087 #define V4L2_DEC_CMD_PAUSE (2) 2088 #define V4L2_DEC_CMD_RESUME (3) 2089 #define V4L2_DEC_CMD_FLUSH (4) 2090 2091 /* Flags for V4L2_DEC_CMD_START */ 2092 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 2093 2094 /* Flags for V4L2_DEC_CMD_PAUSE */ 2095 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 2096 2097 /* Flags for V4L2_DEC_CMD_STOP */ 2098 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 2099 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 2100 2101 /* Play format requirements (returned by the driver): */ 2102 2103 /* The decoder has no special format requirements */ 2104 #define V4L2_DEC_START_FMT_NONE (0) 2105 /* The decoder requires full GOPs */ 2106 #define V4L2_DEC_START_FMT_GOP (1) 2107 2108 /* The structure must be zeroed before use by the application 2109 This ensures it can be extended safely in the future. */ 2110 struct v4l2_decoder_cmd { 2111 __u32 cmd; 2112 __u32 flags; 2113 union { 2114 struct { 2115 __u64 pts; 2116 } stop; 2117 2118 struct { 2119 /* 0 or 1000 specifies normal speed, 2120 1 specifies forward single stepping, 2121 -1 specifies backward single stepping, 2122 >1: playback at speed/1000 of the normal speed, 2123 <-1: reverse playback at (-speed/1000) of the normal speed. */ 2124 __s32 speed; 2125 __u32 format; 2126 } start; 2127 2128 struct { 2129 __u32 data[16]; 2130 } raw; 2131 }; 2132 }; 2133 #endif 2134 2135 2136 /* 2137 * D A T A S E R V I C E S ( V B I ) 2138 * 2139 * Data services API by Michael Schimek 2140 */ 2141 2142 /* Raw VBI */ 2143 struct v4l2_vbi_format { 2144 __u32 sampling_rate; /* in 1 Hz */ 2145 __u32 offset; 2146 __u32 samples_per_line; 2147 __u32 sample_format; /* V4L2_PIX_FMT_* */ 2148 __s32 start[2]; 2149 __u32 count[2]; 2150 __u32 flags; /* V4L2_VBI_* */ 2151 __u32 reserved[2]; /* must be zero */ 2152 }; 2153 2154 /* VBI flags */ 2155 #define V4L2_VBI_UNSYNC (1 << 0) 2156 #define V4L2_VBI_INTERLACED (1 << 1) 2157 2158 /* ITU-R start lines for each field */ 2159 #define V4L2_VBI_ITU_525_F1_START (1) 2160 #define V4L2_VBI_ITU_525_F2_START (264) 2161 #define V4L2_VBI_ITU_625_F1_START (1) 2162 #define V4L2_VBI_ITU_625_F2_START (314) 2163 2164 /* Sliced VBI 2165 * 2166 * This implements is a proposal V4L2 API to allow SLICED VBI 2167 * required for some hardware encoders. It should change without 2168 * notice in the definitive implementation. 2169 */ 2170 2171 struct v4l2_sliced_vbi_format { 2172 __u16 service_set; 2173 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2174 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2175 (equals frame lines 313-336 for 625 line video 2176 standards, 263-286 for 525 line standards) */ 2177 __u16 service_lines[2][24]; 2178 __u32 io_size; 2179 __u32 reserved[2]; /* must be zero */ 2180 }; 2181 2182 /* Teletext World System Teletext 2183 (WST), defined on ITU-R BT.653-2 */ 2184 #define V4L2_SLICED_TELETEXT_B (0x0001) 2185 /* Video Program System, defined on ETS 300 231*/ 2186 #define V4L2_SLICED_VPS (0x0400) 2187 /* Closed Caption, defined on EIA-608 */ 2188 #define V4L2_SLICED_CAPTION_525 (0x1000) 2189 /* Wide Screen System, defined on ITU-R BT1119.1 */ 2190 #define V4L2_SLICED_WSS_625 (0x4000) 2191 2192 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 2193 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 2194 2195 struct v4l2_sliced_vbi_cap { 2196 __u16 service_set; 2197 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2198 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2199 (equals frame lines 313-336 for 625 line video 2200 standards, 263-286 for 525 line standards) */ 2201 __u16 service_lines[2][24]; 2202 __u32 type; /* enum v4l2_buf_type */ 2203 __u32 reserved[3]; /* must be 0 */ 2204 }; 2205 2206 struct v4l2_sliced_vbi_data { 2207 __u32 id; 2208 __u32 field; /* 0: first field, 1: second field */ 2209 __u32 line; /* 1-23 */ 2210 __u32 reserved; /* must be 0 */ 2211 __u8 data[48]; 2212 }; 2213 2214 /* 2215 * Sliced VBI data inserted into MPEG Streams 2216 */ 2217 2218 /* 2219 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 2220 * 2221 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 2222 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 2223 * data 2224 * 2225 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 2226 * definitions are not included here. See the MPEG-2 specifications for details 2227 * on these headers. 2228 */ 2229 2230 /* Line type IDs */ 2231 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 2232 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 2233 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 2234 #define V4L2_MPEG_VBI_IVTV_VPS (7) 2235 2236 struct v4l2_mpeg_vbi_itv0_line { 2237 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 2238 __u8 data[42]; /* Sliced VBI data for the line */ 2239 } __attribute__ ((packed)); 2240 2241 struct v4l2_mpeg_vbi_itv0 { 2242 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 2243 struct v4l2_mpeg_vbi_itv0_line line[35]; 2244 } __attribute__ ((packed)); 2245 2246 struct v4l2_mpeg_vbi_ITV0 { 2247 struct v4l2_mpeg_vbi_itv0_line line[36]; 2248 } __attribute__ ((packed)); 2249 2250 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 2251 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 2252 2253 struct v4l2_mpeg_vbi_fmt_ivtv { 2254 __u8 magic[4]; 2255 union { 2256 struct v4l2_mpeg_vbi_itv0 itv0; 2257 struct v4l2_mpeg_vbi_ITV0 ITV0; 2258 }; 2259 } __attribute__ ((packed)); 2260 2261 /* 2262 * A G G R E G A T E S T R U C T U R E S 2263 */ 2264 2265 /** 2266 * struct v4l2_plane_pix_format - additional, per-plane format definition 2267 * @sizeimage: maximum size in bytes required for data, for which 2268 * this plane will be used 2269 * @bytesperline: distance in bytes between the leftmost pixels in two 2270 * adjacent lines 2271 * @reserved: drivers and applications must zero this array 2272 */ 2273 struct v4l2_plane_pix_format { 2274 __u32 sizeimage; 2275 __u32 bytesperline; 2276 __u16 reserved[6]; 2277 } __attribute__ ((packed)); 2278 2279 /** 2280 * struct v4l2_pix_format_mplane - multiplanar format definition 2281 * @width: image width in pixels 2282 * @height: image height in pixels 2283 * @pixelformat: little endian four character code (fourcc) 2284 * @field: enum v4l2_field; field order (for interlaced video) 2285 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 2286 * @plane_fmt: per-plane information 2287 * @num_planes: number of planes for this format 2288 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 2289 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding 2290 * @hsv_enc: enum v4l2_hsv_encoding, HSV encoding 2291 * @quantization: enum v4l2_quantization, colorspace quantization 2292 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function 2293 * @reserved: drivers and applications must zero this array 2294 */ 2295 struct v4l2_pix_format_mplane { 2296 __u32 width; 2297 __u32 height; 2298 __u32 pixelformat; 2299 __u32 field; 2300 __u32 colorspace; 2301 2302 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 2303 __u8 num_planes; 2304 __u8 flags; 2305 union { 2306 __u8 ycbcr_enc; 2307 __u8 hsv_enc; 2308 }; 2309 __u8 quantization; 2310 __u8 xfer_func; 2311 __u8 reserved[7]; 2312 } __attribute__ ((packed)); 2313 2314 /** 2315 * struct v4l2_sdr_format - SDR format definition 2316 * @pixelformat: little endian four character code (fourcc) 2317 * @buffersize: maximum size in bytes required for data 2318 * @reserved: drivers and applications must zero this array 2319 */ 2320 struct v4l2_sdr_format { 2321 __u32 pixelformat; 2322 __u32 buffersize; 2323 __u8 reserved[24]; 2324 } __attribute__ ((packed)); 2325 2326 /** 2327 * struct v4l2_meta_format - metadata format definition 2328 * @dataformat: little endian four character code (fourcc) 2329 * @buffersize: maximum size in bytes required for data 2330 */ 2331 struct v4l2_meta_format { 2332 __u32 dataformat; 2333 __u32 buffersize; 2334 } __attribute__ ((packed)); 2335 2336 /** 2337 * struct v4l2_format - stream data format 2338 * @type: enum v4l2_buf_type; type of the data stream 2339 * @pix: definition of an image format 2340 * @pix_mp: definition of a multiplanar image format 2341 * @win: definition of an overlaid image 2342 * @vbi: raw VBI capture or output parameters 2343 * @sliced: sliced VBI capture or output parameters 2344 * @raw_data: placeholder for future extensions and custom formats 2345 * @fmt: union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr, @meta 2346 * and @raw_data 2347 */ 2348 struct v4l2_format { 2349 __u32 type; 2350 union { 2351 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 2352 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 2353 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 2354 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 2355 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 2356 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 2357 struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */ 2358 __u8 raw_data[200]; /* user-defined */ 2359 } fmt; 2360 }; 2361 2362 /* Stream type-dependent parameters 2363 */ 2364 struct v4l2_streamparm { 2365 __u32 type; /* enum v4l2_buf_type */ 2366 union { 2367 struct v4l2_captureparm capture; 2368 struct v4l2_outputparm output; 2369 __u8 raw_data[200]; /* user-defined */ 2370 } parm; 2371 }; 2372 2373 /* 2374 * E V E N T S 2375 */ 2376 2377 #define V4L2_EVENT_ALL 0 2378 #define V4L2_EVENT_VSYNC 1 2379 #define V4L2_EVENT_EOS 2 2380 #define V4L2_EVENT_CTRL 3 2381 #define V4L2_EVENT_FRAME_SYNC 4 2382 #define V4L2_EVENT_SOURCE_CHANGE 5 2383 #define V4L2_EVENT_MOTION_DET 6 2384 #define V4L2_EVENT_PRIVATE_START 0x08000000 2385 2386 /* Payload for V4L2_EVENT_VSYNC */ 2387 struct v4l2_event_vsync { 2388 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 2389 __u8 field; 2390 } __attribute__ ((packed)); 2391 2392 /* Payload for V4L2_EVENT_CTRL */ 2393 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 2394 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 2395 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 2396 2397 struct v4l2_event_ctrl { 2398 __u32 changes; 2399 __u32 type; 2400 union { 2401 __s32 value; 2402 __s64 value64; 2403 }; 2404 __u32 flags; 2405 __s32 minimum; 2406 __s32 maximum; 2407 __s32 step; 2408 __s32 default_value; 2409 }; 2410 2411 struct v4l2_event_frame_sync { 2412 __u32 frame_sequence; 2413 }; 2414 2415 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 2416 2417 struct v4l2_event_src_change { 2418 __u32 changes; 2419 }; 2420 2421 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 2422 2423 /** 2424 * struct v4l2_event_motion_det - motion detection event 2425 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 2426 * frame_sequence field is valid. 2427 * @frame_sequence: the frame sequence number associated with this event. 2428 * @region_mask: which regions detected motion. 2429 */ 2430 struct v4l2_event_motion_det { 2431 __u32 flags; 2432 __u32 frame_sequence; 2433 __u32 region_mask; 2434 }; 2435 2436 struct v4l2_event { 2437 __u32 type; 2438 union { 2439 struct v4l2_event_vsync vsync; 2440 struct v4l2_event_ctrl ctrl; 2441 struct v4l2_event_frame_sync frame_sync; 2442 struct v4l2_event_src_change src_change; 2443 struct v4l2_event_motion_det motion_det; 2444 __u8 data[64]; 2445 } u; 2446 __u32 pending; 2447 __u32 sequence; 2448 #ifdef __KERNEL__ 2449 struct __kernel_timespec timestamp; 2450 #else 2451 struct timespec timestamp; 2452 #endif 2453 __u32 id; 2454 __u32 reserved[8]; 2455 }; 2456 2457 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2458 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2459 2460 struct v4l2_event_subscription { 2461 __u32 type; 2462 __u32 id; 2463 __u32 flags; 2464 __u32 reserved[5]; 2465 }; 2466 2467 /* 2468 * A D V A N C E D D E B U G G I N G 2469 * 2470 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2471 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2472 */ 2473 2474 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2475 2476 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2477 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2478 2479 /* The following four defines are no longer in use */ 2480 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2481 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2482 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2483 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2484 2485 struct v4l2_dbg_match { 2486 __u32 type; /* Match type */ 2487 union { /* Match this chip, meaning determined by type */ 2488 __u32 addr; 2489 char name[32]; 2490 }; 2491 } __attribute__ ((packed)); 2492 2493 struct v4l2_dbg_register { 2494 struct v4l2_dbg_match match; 2495 __u32 size; /* register size in bytes */ 2496 __u64 reg; 2497 __u64 val; 2498 } __attribute__ ((packed)); 2499 2500 #define V4L2_CHIP_FL_READABLE (1 << 0) 2501 #define V4L2_CHIP_FL_WRITABLE (1 << 1) 2502 2503 /* VIDIOC_DBG_G_CHIP_INFO */ 2504 struct v4l2_dbg_chip_info { 2505 struct v4l2_dbg_match match; 2506 char name[32]; 2507 __u32 flags; 2508 __u32 reserved[32]; 2509 } __attribute__ ((packed)); 2510 2511 /** 2512 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2513 * @index: on return, index of the first created buffer 2514 * @count: entry: number of requested buffers, 2515 * return: number of created buffers 2516 * @memory: enum v4l2_memory; buffer memory type 2517 * @format: frame format, for which buffers are requested 2518 * @capabilities: capabilities of this buffer type. 2519 * @flags: additional buffer management attributes (ignored unless the 2520 * queue has V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS capability 2521 * and configured for MMAP streaming I/O). 2522 * @reserved: future extensions 2523 */ 2524 struct v4l2_create_buffers { 2525 __u32 index; 2526 __u32 count; 2527 __u32 memory; 2528 struct v4l2_format format; 2529 __u32 capabilities; 2530 __u32 flags; 2531 __u32 reserved[6]; 2532 }; 2533 2534 /* 2535 * 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 2536 * 2537 */ 2538 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2539 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2540 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2541 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2542 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2543 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2544 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2545 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2546 #define VIDIOC_OVERLAY _IOW('V', 14, int) 2547 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2548 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2549 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2550 #define VIDIOC_STREAMON _IOW('V', 18, int) 2551 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 2552 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2553 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2554 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2555 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2556 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2557 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2558 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2559 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2560 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2561 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2562 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2563 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2564 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2565 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2566 #define VIDIOC_G_INPUT _IOR('V', 38, int) 2567 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 2568 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2569 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2570 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2571 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2572 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2573 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2574 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2575 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2576 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2577 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2578 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2579 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2580 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2581 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2582 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2583 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2584 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2585 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2586 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2587 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2588 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2589 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2590 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2591 #define VIDIOC_LOG_STATUS _IO('V', 70) 2592 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2593 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2594 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2595 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2596 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2597 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2598 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2599 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2600 2601 /* 2602 * Experimental, meant for debugging, testing and internal use. 2603 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2604 * You must be root to use these ioctls. Never use these in applications! 2605 */ 2606 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2607 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2608 2609 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2610 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2611 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2612 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2613 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2614 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2615 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2616 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2617 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2618 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2619 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2620 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2621 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2622 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2623 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2624 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2625 2626 /* 2627 * Experimental, meant for debugging, testing and internal use. 2628 * Never use this in applications! 2629 */ 2630 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2631 2632 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2633 2634 /* Reminder: when adding new ioctls please add support for them to 2635 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */ 2636 2637 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2638 2639 /* Deprecated definitions kept for backwards compatibility */ 2640 #ifndef __KERNEL__ 2641 #define V4L2_PIX_FMT_HM12 V4L2_PIX_FMT_NV12_16L16 2642 #define V4L2_PIX_FMT_SUNXI_TILED_NV12 V4L2_PIX_FMT_NV12_32L32 2643 #endif 2644 2645 #endif /* _UAPI__LINUX_VIDEODEV2_H */ 2646