1 /* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */ 2 /* 3 * Video for Linux Two header file 4 * 5 * Copyright (C) 1999-2012 the contributors 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * Alternatively you can redistribute this file under the terms of the 18 * BSD license as stated below: 19 * 20 * Redistribution and use in source and binary forms, with or without 21 * modification, are permitted provided that the following conditions 22 * are met: 23 * 1. Redistributions of source code must retain the above copyright 24 * notice, this list of conditions and the following disclaimer. 25 * 2. Redistributions in binary form must reproduce the above copyright 26 * notice, this list of conditions and the following disclaimer in 27 * the documentation and/or other materials provided with the 28 * distribution. 29 * 3. The names of its contributors may not be used to endorse or promote 30 * products derived from this software without specific prior written 31 * permission. 32 * 33 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 34 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 35 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 36 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 37 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 38 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 39 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 40 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 41 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 42 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 43 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 44 * 45 * Header file for v4l or V4L2 drivers and applications 46 * with public API. 47 * All kernel-specific stuff were moved to media/v4l2-dev.h, so 48 * no #if __KERNEL tests are allowed here 49 * 50 * See https://linuxtv.org for more info 51 * 52 * Author: Bill Dirks <[email protected]> 53 * Justin Schoeman 54 * Hans Verkuil <[email protected]> 55 * et al. 56 */ 57 #ifndef _UAPI__LINUX_VIDEODEV2_H 58 #define _UAPI__LINUX_VIDEODEV2_H 59 60 #ifndef __KERNEL__ 61 #include <sys/time.h> 62 #endif 63 #include <linux/compiler.h> 64 #include <linux/ioctl.h> 65 #include <linux/types.h> 66 #include <linux/v4l2-common.h> 67 #include <linux/v4l2-controls.h> 68 69 /* 70 * Common stuff for both V4L1 and V4L2 71 * Moved from videodev.h 72 */ 73 #define VIDEO_MAX_FRAME 32 74 #define VIDEO_MAX_PLANES 8 75 76 /* 77 * M I S C E L L A N E O U S 78 */ 79 80 /* Four-character-code (FOURCC) */ 81 #define v4l2_fourcc(a, b, c, d)\ 82 ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24)) 83 #define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1U << 31)) 84 85 /* 86 * E N U M S 87 */ 88 enum v4l2_field { 89 V4L2_FIELD_ANY = 0, /* driver can choose from none, 90 top, bottom, interlaced 91 depending on whatever it thinks 92 is approximate ... */ 93 V4L2_FIELD_NONE = 1, /* this device has no fields ... */ 94 V4L2_FIELD_TOP = 2, /* top field only */ 95 V4L2_FIELD_BOTTOM = 3, /* bottom field only */ 96 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */ 97 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one 98 buffer, top-bottom order */ 99 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */ 100 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into 101 separate buffers */ 102 V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field 103 first and the top field is 104 transmitted first */ 105 V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field 106 first and the bottom field is 107 transmitted first */ 108 }; 109 #define V4L2_FIELD_HAS_TOP(field) \ 110 ((field) == V4L2_FIELD_TOP ||\ 111 (field) == V4L2_FIELD_INTERLACED ||\ 112 (field) == V4L2_FIELD_INTERLACED_TB ||\ 113 (field) == V4L2_FIELD_INTERLACED_BT ||\ 114 (field) == V4L2_FIELD_SEQ_TB ||\ 115 (field) == V4L2_FIELD_SEQ_BT) 116 #define V4L2_FIELD_HAS_BOTTOM(field) \ 117 ((field) == V4L2_FIELD_BOTTOM ||\ 118 (field) == V4L2_FIELD_INTERLACED ||\ 119 (field) == V4L2_FIELD_INTERLACED_TB ||\ 120 (field) == V4L2_FIELD_INTERLACED_BT ||\ 121 (field) == V4L2_FIELD_SEQ_TB ||\ 122 (field) == V4L2_FIELD_SEQ_BT) 123 #define V4L2_FIELD_HAS_BOTH(field) \ 124 ((field) == V4L2_FIELD_INTERLACED ||\ 125 (field) == V4L2_FIELD_INTERLACED_TB ||\ 126 (field) == V4L2_FIELD_INTERLACED_BT ||\ 127 (field) == V4L2_FIELD_SEQ_TB ||\ 128 (field) == V4L2_FIELD_SEQ_BT) 129 #define V4L2_FIELD_HAS_T_OR_B(field) \ 130 ((field) == V4L2_FIELD_BOTTOM ||\ 131 (field) == V4L2_FIELD_TOP ||\ 132 (field) == V4L2_FIELD_ALTERNATE) 133 #define V4L2_FIELD_IS_INTERLACED(field) \ 134 ((field) == V4L2_FIELD_INTERLACED ||\ 135 (field) == V4L2_FIELD_INTERLACED_TB ||\ 136 (field) == V4L2_FIELD_INTERLACED_BT) 137 #define V4L2_FIELD_IS_SEQUENTIAL(field) \ 138 ((field) == V4L2_FIELD_SEQ_TB ||\ 139 (field) == V4L2_FIELD_SEQ_BT) 140 141 enum v4l2_buf_type { 142 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, 143 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, 144 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, 145 V4L2_BUF_TYPE_VBI_CAPTURE = 4, 146 V4L2_BUF_TYPE_VBI_OUTPUT = 5, 147 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6, 148 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7, 149 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8, 150 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9, 151 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10, 152 V4L2_BUF_TYPE_SDR_CAPTURE = 11, 153 V4L2_BUF_TYPE_SDR_OUTPUT = 12, 154 V4L2_BUF_TYPE_META_CAPTURE = 13, 155 V4L2_BUF_TYPE_META_OUTPUT = 14, 156 /* Deprecated, do not use */ 157 V4L2_BUF_TYPE_PRIVATE = 0x80, 158 }; 159 160 #define V4L2_TYPE_IS_MULTIPLANAR(type) \ 161 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \ 162 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 163 164 #define V4L2_TYPE_IS_OUTPUT(type) \ 165 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \ 166 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \ 167 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \ 168 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \ 169 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \ 170 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \ 171 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT \ 172 || (type) == V4L2_BUF_TYPE_META_OUTPUT) 173 174 #define V4L2_TYPE_IS_CAPTURE(type) (!V4L2_TYPE_IS_OUTPUT(type)) 175 176 enum v4l2_tuner_type { 177 V4L2_TUNER_RADIO = 1, 178 V4L2_TUNER_ANALOG_TV = 2, 179 V4L2_TUNER_DIGITAL_TV = 3, 180 V4L2_TUNER_SDR = 4, 181 V4L2_TUNER_RF = 5, 182 }; 183 184 /* Deprecated, do not use */ 185 #define V4L2_TUNER_ADC V4L2_TUNER_SDR 186 187 enum v4l2_memory { 188 V4L2_MEMORY_MMAP = 1, 189 V4L2_MEMORY_USERPTR = 2, 190 V4L2_MEMORY_OVERLAY = 3, 191 V4L2_MEMORY_DMABUF = 4, 192 }; 193 194 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 195 enum v4l2_colorspace { 196 /* 197 * Default colorspace, i.e. let the driver figure it out. 198 * Can only be used with video capture. 199 */ 200 V4L2_COLORSPACE_DEFAULT = 0, 201 202 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */ 203 V4L2_COLORSPACE_SMPTE170M = 1, 204 205 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */ 206 V4L2_COLORSPACE_SMPTE240M = 2, 207 208 /* Rec.709: used for HDTV */ 209 V4L2_COLORSPACE_REC709 = 3, 210 211 /* 212 * Deprecated, do not use. No driver will ever return this. This was 213 * based on a misunderstanding of the bt878 datasheet. 214 */ 215 V4L2_COLORSPACE_BT878 = 4, 216 217 /* 218 * NTSC 1953 colorspace. This only makes sense when dealing with 219 * really, really old NTSC recordings. Superseded by SMPTE 170M. 220 */ 221 V4L2_COLORSPACE_470_SYSTEM_M = 5, 222 223 /* 224 * EBU Tech 3213 PAL/SECAM colorspace. 225 */ 226 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 227 228 /* 229 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601 230 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG. 231 */ 232 V4L2_COLORSPACE_JPEG = 7, 233 234 /* For RGB colorspaces such as produces by most webcams. */ 235 V4L2_COLORSPACE_SRGB = 8, 236 237 /* opRGB colorspace */ 238 V4L2_COLORSPACE_OPRGB = 9, 239 240 /* BT.2020 colorspace, used for UHDTV. */ 241 V4L2_COLORSPACE_BT2020 = 10, 242 243 /* Raw colorspace: for RAW unprocessed images */ 244 V4L2_COLORSPACE_RAW = 11, 245 246 /* DCI-P3 colorspace, used by cinema projectors */ 247 V4L2_COLORSPACE_DCI_P3 = 12, 248 }; 249 250 /* 251 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace. 252 * This depends on whether this is a SDTV image (use SMPTE 170M), an 253 * HDTV image (use Rec. 709), or something else (use sRGB). 254 */ 255 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \ 256 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \ 257 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB)) 258 259 enum v4l2_xfer_func { 260 /* 261 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions 262 * for the various colorspaces: 263 * 264 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 265 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and 266 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709 267 * 268 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB 269 * 270 * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB 271 * 272 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M 273 * 274 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE 275 * 276 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3 277 */ 278 V4L2_XFER_FUNC_DEFAULT = 0, 279 V4L2_XFER_FUNC_709 = 1, 280 V4L2_XFER_FUNC_SRGB = 2, 281 V4L2_XFER_FUNC_OPRGB = 3, 282 V4L2_XFER_FUNC_SMPTE240M = 4, 283 V4L2_XFER_FUNC_NONE = 5, 284 V4L2_XFER_FUNC_DCI_P3 = 6, 285 V4L2_XFER_FUNC_SMPTE2084 = 7, 286 }; 287 288 /* 289 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function. 290 * This depends on the colorspace. 291 */ 292 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \ 293 ((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \ 294 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \ 295 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \ 296 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \ 297 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \ 298 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709))))) 299 300 enum v4l2_ycbcr_encoding { 301 /* 302 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the 303 * various colorspaces: 304 * 305 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 306 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB, 307 * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601 308 * 309 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709 310 * 311 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020 312 * 313 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M 314 */ 315 V4L2_YCBCR_ENC_DEFAULT = 0, 316 317 /* ITU-R 601 -- SDTV */ 318 V4L2_YCBCR_ENC_601 = 1, 319 320 /* Rec. 709 -- HDTV */ 321 V4L2_YCBCR_ENC_709 = 2, 322 323 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */ 324 V4L2_YCBCR_ENC_XV601 = 3, 325 326 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */ 327 V4L2_YCBCR_ENC_XV709 = 4, 328 329 #ifndef __KERNEL__ 330 /* 331 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added 332 * originally due to a misunderstanding of the sYCC standard. It should 333 * not be used, instead use V4L2_YCBCR_ENC_601. 334 */ 335 V4L2_YCBCR_ENC_SYCC = 5, 336 #endif 337 338 /* BT.2020 Non-constant Luminance Y'CbCr */ 339 V4L2_YCBCR_ENC_BT2020 = 6, 340 341 /* BT.2020 Constant Luminance Y'CbcCrc */ 342 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7, 343 344 /* SMPTE 240M -- Obsolete HDTV */ 345 V4L2_YCBCR_ENC_SMPTE240M = 8, 346 }; 347 348 /* 349 * enum v4l2_hsv_encoding values should not collide with the ones from 350 * enum v4l2_ycbcr_encoding. 351 */ 352 enum v4l2_hsv_encoding { 353 354 /* Hue mapped to 0 - 179 */ 355 V4L2_HSV_ENC_180 = 128, 356 357 /* Hue mapped to 0-255 */ 358 V4L2_HSV_ENC_256 = 129, 359 }; 360 361 /* 362 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding. 363 * This depends on the colorspace. 364 */ 365 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \ 366 (((colsp) == V4L2_COLORSPACE_REC709 || \ 367 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \ 368 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \ 369 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \ 370 V4L2_YCBCR_ENC_601))) 371 372 enum v4l2_quantization { 373 /* 374 * The default for R'G'B' quantization is always full range. 375 * For Y'CbCr the quantization is always limited range, except 376 * for COLORSPACE_JPEG: this is full range. 377 */ 378 V4L2_QUANTIZATION_DEFAULT = 0, 379 V4L2_QUANTIZATION_FULL_RANGE = 1, 380 V4L2_QUANTIZATION_LIM_RANGE = 2, 381 }; 382 383 /* 384 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization. 385 * This depends on whether the image is RGB or not, the colorspace. 386 * The Y'CbCr encoding is not used anymore, but is still there for backwards 387 * compatibility. 388 */ 389 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \ 390 (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \ 391 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE) 392 393 /* 394 * Deprecated names for opRGB colorspace (IEC 61966-2-5) 395 * 396 * WARNING: Please don't use these deprecated defines in your code, as 397 * there is a chance we have to remove them in the future. 398 */ 399 #ifndef __KERNEL__ 400 #define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB 401 #define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB 402 #endif 403 404 enum v4l2_priority { 405 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 406 V4L2_PRIORITY_BACKGROUND = 1, 407 V4L2_PRIORITY_INTERACTIVE = 2, 408 V4L2_PRIORITY_RECORD = 3, 409 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 410 }; 411 412 struct v4l2_rect { 413 __s32 left; 414 __s32 top; 415 __u32 width; 416 __u32 height; 417 }; 418 419 struct v4l2_fract { 420 __u32 numerator; 421 __u32 denominator; 422 }; 423 424 struct v4l2_area { 425 __u32 width; 426 __u32 height; 427 }; 428 429 /** 430 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 431 * 432 * @driver: name of the driver module (e.g. "bttv") 433 * @card: name of the card (e.g. "Hauppauge WinTV") 434 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 435 * @version: KERNEL_VERSION 436 * @capabilities: capabilities of the physical device as a whole 437 * @device_caps: capabilities accessed via this particular device (node) 438 * @reserved: reserved fields for future extensions 439 */ 440 struct v4l2_capability { 441 __u8 driver[16]; 442 __u8 card[32]; 443 __u8 bus_info[32]; 444 __u32 version; 445 __u32 capabilities; 446 __u32 device_caps; 447 __u32 reserved[3]; 448 }; 449 450 /* Values for 'capabilities' field */ 451 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 452 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 453 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 454 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 455 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 456 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 457 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 458 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 459 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 460 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 461 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 462 463 /* Is a video capture device that supports multiplanar formats */ 464 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 465 /* Is a video output device that supports multiplanar formats */ 466 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 467 /* Is a video mem-to-mem device that supports multiplanar formats */ 468 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 469 /* Is a video mem-to-mem device */ 470 #define V4L2_CAP_VIDEO_M2M 0x00008000 471 472 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 473 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 474 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 475 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 476 477 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */ 478 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */ 479 #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */ 480 #define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */ 481 482 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 483 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 484 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 485 #define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */ 486 487 #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */ 488 489 #define V4L2_CAP_IO_MC 0x20000000 /* Is input/output controlled by the media controller */ 490 491 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 492 493 /* 494 * V I D E O I M A G E F O R M A T 495 */ 496 struct v4l2_pix_format { 497 __u32 width; 498 __u32 height; 499 __u32 pixelformat; 500 __u32 field; /* enum v4l2_field */ 501 __u32 bytesperline; /* for padding, zero if unused */ 502 __u32 sizeimage; 503 __u32 colorspace; /* enum v4l2_colorspace */ 504 __u32 priv; /* private data, depends on pixelformat */ 505 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ 506 union { 507 /* enum v4l2_ycbcr_encoding */ 508 __u32 ycbcr_enc; 509 /* enum v4l2_hsv_encoding */ 510 __u32 hsv_enc; 511 }; 512 __u32 quantization; /* enum v4l2_quantization */ 513 __u32 xfer_func; /* enum v4l2_xfer_func */ 514 }; 515 516 /* Pixel format FOURCC depth Description */ 517 518 /* RGB formats (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 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */ 611 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */ 612 613 /* three planes - Y Cb, Cr */ 614 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 615 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 616 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */ 617 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 618 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 619 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 620 621 /* three non contiguous planes - Y, Cb, Cr */ 622 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 623 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 624 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */ 625 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */ 626 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */ 627 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */ 628 629 /* Tiled YUV formats */ 630 #define V4L2_PIX_FMT_NV12_16L16 v4l2_fourcc('H', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */ 631 #define V4L2_PIX_FMT_NV12_32L32 v4l2_fourcc('S', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 32x32 tiles */ 632 633 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 634 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 635 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 636 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 637 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 638 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 639 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 640 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 641 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 642 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ 643 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') 644 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') 645 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') 646 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') 647 /* 10bit raw bayer a-law compressed to 8 bits */ 648 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 649 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 650 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 651 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 652 /* 10bit raw bayer DPCM compressed to 8 bits */ 653 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 654 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 655 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 656 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 657 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 658 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 659 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 660 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 661 /* 12bit raw bayer packed, 6 bytes for every 4 pixels */ 662 #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C') 663 #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C') 664 #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C') 665 #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C') 666 #define V4L2_PIX_FMT_SBGGR14 v4l2_fourcc('B', 'G', '1', '4') /* 14 BGBG.. GRGR.. */ 667 #define V4L2_PIX_FMT_SGBRG14 v4l2_fourcc('G', 'B', '1', '4') /* 14 GBGB.. RGRG.. */ 668 #define V4L2_PIX_FMT_SGRBG14 v4l2_fourcc('G', 'R', '1', '4') /* 14 GRGR.. BGBG.. */ 669 #define V4L2_PIX_FMT_SRGGB14 v4l2_fourcc('R', 'G', '1', '4') /* 14 RGRG.. GBGB.. */ 670 /* 14bit raw bayer packed, 7 bytes for every 4 pixels */ 671 #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E') 672 #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E') 673 #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E') 674 #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E') 675 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 676 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */ 677 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */ 678 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */ 679 680 /* HSV formats */ 681 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3') 682 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4') 683 684 /* compressed formats */ 685 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 686 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 687 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 688 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 689 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 690 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 691 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 692 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 693 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 694 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 695 #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */ 696 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 697 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 698 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 699 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 700 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 701 #define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') /* VP8 parsed frame */ 702 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */ 703 #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */ 704 #define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */ 705 #define V4L2_PIX_FMT_FWHT_STATELESS v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */ 706 #define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */ 707 708 /* Vendor-specific formats */ 709 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 710 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 711 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 712 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 713 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 714 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 715 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 716 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 717 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 718 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 719 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 720 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 721 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 722 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 723 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 724 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 725 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 726 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 727 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 728 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 729 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 730 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 731 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 732 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 733 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 734 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 735 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */ 736 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */ 737 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */ 738 #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */ 739 #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */ 740 #define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */ 741 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* BTTV 8-bit dithered RGB */ 742 743 /* 10bit raw bayer packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */ 744 #define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */ 745 #define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */ 746 #define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */ 747 #define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */ 748 749 /* SDR formats - used only for Software Defined Radio devices */ 750 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 751 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 752 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 753 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 754 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 755 #define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */ 756 #define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */ 757 #define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */ 758 759 /* Touch formats - used for Touch devices */ 760 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */ 761 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */ 762 #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */ 763 #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */ 764 765 /* Meta-data formats */ 766 #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */ 767 #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */ 768 #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */ 769 #define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */ 770 #define V4L2_META_FMT_VIVID v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */ 771 772 /* Vendor specific - used for RK_ISP1 camera sub-system */ 773 #define V4L2_META_FMT_RK_ISP1_PARAMS v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */ 774 #define V4L2_META_FMT_RK_ISP1_STAT_3A v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */ 775 776 /* priv field value to indicates that subsequent fields are valid. */ 777 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 778 779 /* Flags */ 780 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 781 #define V4L2_PIX_FMT_FLAG_SET_CSC 0x00000002 782 783 /* 784 * F O R M A T E N U M E R A T I O N 785 */ 786 struct v4l2_fmtdesc { 787 __u32 index; /* Format number */ 788 __u32 type; /* enum v4l2_buf_type */ 789 __u32 flags; 790 __u8 description[32]; /* Description string */ 791 __u32 pixelformat; /* Format fourcc */ 792 __u32 mbus_code; /* Media bus code */ 793 __u32 reserved[3]; 794 }; 795 796 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 797 #define V4L2_FMT_FLAG_EMULATED 0x0002 798 #define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM 0x0004 799 #define V4L2_FMT_FLAG_DYN_RESOLUTION 0x0008 800 #define V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL 0x0010 801 #define V4L2_FMT_FLAG_CSC_COLORSPACE 0x0020 802 #define V4L2_FMT_FLAG_CSC_XFER_FUNC 0x0040 803 #define V4L2_FMT_FLAG_CSC_YCBCR_ENC 0x0080 804 #define V4L2_FMT_FLAG_CSC_HSV_ENC V4L2_FMT_FLAG_CSC_YCBCR_ENC 805 #define V4L2_FMT_FLAG_CSC_QUANTIZATION 0x0100 806 807 /* Frame Size and frame rate enumeration */ 808 /* 809 * F R A M E S I Z E E N U M E R A T I O N 810 */ 811 enum v4l2_frmsizetypes { 812 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 813 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 814 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 815 }; 816 817 struct v4l2_frmsize_discrete { 818 __u32 width; /* Frame width [pixel] */ 819 __u32 height; /* Frame height [pixel] */ 820 }; 821 822 struct v4l2_frmsize_stepwise { 823 __u32 min_width; /* Minimum frame width [pixel] */ 824 __u32 max_width; /* Maximum frame width [pixel] */ 825 __u32 step_width; /* Frame width step size [pixel] */ 826 __u32 min_height; /* Minimum frame height [pixel] */ 827 __u32 max_height; /* Maximum frame height [pixel] */ 828 __u32 step_height; /* Frame height step size [pixel] */ 829 }; 830 831 struct v4l2_frmsizeenum { 832 __u32 index; /* Frame size number */ 833 __u32 pixel_format; /* Pixel format */ 834 __u32 type; /* Frame size type the device supports. */ 835 836 union { /* Frame size */ 837 struct v4l2_frmsize_discrete discrete; 838 struct v4l2_frmsize_stepwise stepwise; 839 }; 840 841 __u32 reserved[2]; /* Reserved space for future use */ 842 }; 843 844 /* 845 * F R A M E R A T E E N U M E R A T I O N 846 */ 847 enum v4l2_frmivaltypes { 848 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 849 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 850 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 851 }; 852 853 struct v4l2_frmival_stepwise { 854 struct v4l2_fract min; /* Minimum frame interval [s] */ 855 struct v4l2_fract max; /* Maximum frame interval [s] */ 856 struct v4l2_fract step; /* Frame interval step size [s] */ 857 }; 858 859 struct v4l2_frmivalenum { 860 __u32 index; /* Frame format index */ 861 __u32 pixel_format; /* Pixel format */ 862 __u32 width; /* Frame width */ 863 __u32 height; /* Frame height */ 864 __u32 type; /* Frame interval type the device supports. */ 865 866 union { /* Frame interval */ 867 struct v4l2_fract discrete; 868 struct v4l2_frmival_stepwise stepwise; 869 }; 870 871 __u32 reserved[2]; /* Reserved space for future use */ 872 }; 873 874 /* 875 * T I M E C O D E 876 */ 877 struct v4l2_timecode { 878 __u32 type; 879 __u32 flags; 880 __u8 frames; 881 __u8 seconds; 882 __u8 minutes; 883 __u8 hours; 884 __u8 userbits[4]; 885 }; 886 887 /* Type */ 888 #define V4L2_TC_TYPE_24FPS 1 889 #define V4L2_TC_TYPE_25FPS 2 890 #define V4L2_TC_TYPE_30FPS 3 891 #define V4L2_TC_TYPE_50FPS 4 892 #define V4L2_TC_TYPE_60FPS 5 893 894 /* Flags */ 895 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 896 #define V4L2_TC_FLAG_COLORFRAME 0x0002 897 #define V4L2_TC_USERBITS_field 0x000C 898 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 899 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 900 /* The above is based on SMPTE timecodes */ 901 902 struct v4l2_jpegcompression { 903 int quality; 904 905 int APPn; /* Number of APP segment to be written, 906 * must be 0..15 */ 907 int APP_len; /* Length of data in JPEG APPn segment */ 908 char APP_data[60]; /* Data in the JPEG APPn segment. */ 909 910 int COM_len; /* Length of data in JPEG COM segment */ 911 char COM_data[60]; /* Data in JPEG COM segment */ 912 913 __u32 jpeg_markers; /* Which markers should go into the JPEG 914 * output. Unless you exactly know what 915 * you do, leave them untouched. 916 * Including less markers will make the 917 * resulting code smaller, but there will 918 * be fewer applications which can read it. 919 * The presence of the APP and COM marker 920 * is influenced by APP_len and COM_len 921 * ONLY, not by this property! */ 922 923 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 924 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 925 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 926 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 927 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 928 * always use APP0 */ 929 }; 930 931 /* 932 * M E M O R Y - M A P P I N G B U F F E R S 933 */ 934 935 #ifdef __KERNEL__ 936 /* 937 * This corresponds to the user space version of timeval 938 * for 64-bit time_t. sparc64 is different from everyone 939 * else, using the microseconds in the wrong half of the 940 * second 64-bit word. 941 */ 942 struct __kernel_v4l2_timeval { 943 long long tv_sec; 944 #if defined(__sparc__) && defined(__arch64__) 945 int tv_usec; 946 int __pad; 947 #else 948 long long tv_usec; 949 #endif 950 }; 951 #endif 952 953 struct v4l2_requestbuffers { 954 __u32 count; 955 __u32 type; /* enum v4l2_buf_type */ 956 __u32 memory; /* enum v4l2_memory */ 957 __u32 capabilities; 958 __u32 reserved[1]; 959 }; 960 961 /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */ 962 #define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0) 963 #define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1) 964 #define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2) 965 #define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3) 966 #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4) 967 #define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5) 968 #define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS (1 << 6) 969 970 /** 971 * struct v4l2_plane - plane info for multi-planar buffers 972 * @bytesused: number of bytes occupied by data in the plane (payload) 973 * @length: size of this plane (NOT the payload) in bytes 974 * @mem_offset: when memory in the associated struct v4l2_buffer is 975 * V4L2_MEMORY_MMAP, equals the offset from the start of 976 * the device memory for this plane (or is a "cookie" that 977 * should be passed to mmap() called on the video node) 978 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 979 * pointing to this plane 980 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 981 * descriptor associated with this plane 982 * @m: union of @mem_offset, @userptr and @fd 983 * @data_offset: offset in the plane to the start of data; usually 0, 984 * unless there is a header in front of the data 985 * @reserved: drivers and applications must zero this array 986 * 987 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 988 * with two planes can have one plane for Y, and another for interleaved CbCr 989 * components. Each plane can reside in a separate memory buffer, or even in 990 * a completely separate memory node (e.g. in embedded devices). 991 */ 992 struct v4l2_plane { 993 __u32 bytesused; 994 __u32 length; 995 union { 996 __u32 mem_offset; 997 unsigned long userptr; 998 __s32 fd; 999 } m; 1000 __u32 data_offset; 1001 __u32 reserved[11]; 1002 }; 1003 1004 /** 1005 * struct v4l2_buffer - video buffer info 1006 * @index: id number of the buffer 1007 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 1008 * multiplanar buffers); 1009 * @bytesused: number of bytes occupied by data in the buffer (payload); 1010 * unused (set to 0) for multiplanar buffers 1011 * @flags: buffer informational flags 1012 * @field: enum v4l2_field; field order of the image in the buffer 1013 * @timestamp: frame timestamp 1014 * @timecode: frame timecode 1015 * @sequence: sequence count of this frame 1016 * @memory: enum v4l2_memory; the method, in which the actual video data is 1017 * passed 1018 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 1019 * offset from the start of the device memory for this plane, 1020 * (or a "cookie" that should be passed to mmap() as offset) 1021 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 1022 * a userspace pointer pointing to this buffer 1023 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 1024 * a userspace file descriptor associated with this buffer 1025 * @planes: for multiplanar buffers; userspace pointer to the array of plane 1026 * info structs for this buffer 1027 * @m: union of @offset, @userptr, @planes and @fd 1028 * @length: size in bytes of the buffer (NOT its payload) for single-plane 1029 * buffers (when type != *_MPLANE); number of elements in the 1030 * planes array for multi-plane buffers 1031 * @reserved2: drivers and applications must zero this field 1032 * @request_fd: fd of the request that this buffer should use 1033 * @reserved: for backwards compatibility with applications that do not know 1034 * about @request_fd 1035 * 1036 * Contains data exchanged by application and driver using one of the Streaming 1037 * I/O methods. 1038 */ 1039 struct v4l2_buffer { 1040 __u32 index; 1041 __u32 type; 1042 __u32 bytesused; 1043 __u32 flags; 1044 __u32 field; 1045 #ifdef __KERNEL__ 1046 struct __kernel_v4l2_timeval timestamp; 1047 #else 1048 struct timeval timestamp; 1049 #endif 1050 struct v4l2_timecode timecode; 1051 __u32 sequence; 1052 1053 /* memory location */ 1054 __u32 memory; 1055 union { 1056 __u32 offset; 1057 unsigned long userptr; 1058 struct v4l2_plane *planes; 1059 __s32 fd; 1060 } m; 1061 __u32 length; 1062 __u32 reserved2; 1063 union { 1064 __s32 request_fd; 1065 __u32 reserved; 1066 }; 1067 }; 1068 1069 #ifndef __KERNEL__ 1070 /** 1071 * v4l2_timeval_to_ns - Convert timeval to nanoseconds 1072 * @tv: pointer to the timeval variable to be converted 1073 * 1074 * Returns the scalar nanosecond representation of the timeval 1075 * parameter. 1076 */ 1077 static inline __u64 v4l2_timeval_to_ns(const struct timeval *tv) 1078 { 1079 return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000; 1080 } 1081 #endif 1082 1083 /* Flags for 'flags' field */ 1084 /* Buffer is mapped (flag) */ 1085 #define V4L2_BUF_FLAG_MAPPED 0x00000001 1086 /* Buffer is queued for processing */ 1087 #define V4L2_BUF_FLAG_QUEUED 0x00000002 1088 /* Buffer is ready */ 1089 #define V4L2_BUF_FLAG_DONE 0x00000004 1090 /* Image is a keyframe (I-frame) */ 1091 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008 1092 /* Image is a P-frame */ 1093 #define V4L2_BUF_FLAG_PFRAME 0x00000010 1094 /* Image is a B-frame */ 1095 #define V4L2_BUF_FLAG_BFRAME 0x00000020 1096 /* Buffer is ready, but the data contained within is corrupted. */ 1097 #define V4L2_BUF_FLAG_ERROR 0x00000040 1098 /* Buffer is added to an unqueued request */ 1099 #define V4L2_BUF_FLAG_IN_REQUEST 0x00000080 1100 /* timecode field is valid */ 1101 #define V4L2_BUF_FLAG_TIMECODE 0x00000100 1102 /* Don't return the capture buffer until OUTPUT timestamp changes */ 1103 #define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF 0x00000200 1104 /* Buffer is prepared for queuing */ 1105 #define V4L2_BUF_FLAG_PREPARED 0x00000400 1106 /* Cache handling flags */ 1107 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 1108 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 1109 /* Timestamp type */ 1110 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 1111 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 1112 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 1113 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 1114 /* Timestamp sources. */ 1115 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 1116 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 1117 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 1118 /* mem2mem encoder/decoder */ 1119 #define V4L2_BUF_FLAG_LAST 0x00100000 1120 /* request_fd is valid */ 1121 #define V4L2_BUF_FLAG_REQUEST_FD 0x00800000 1122 1123 /** 1124 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 1125 * 1126 * @index: id number of the buffer 1127 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 1128 * multiplanar buffers); 1129 * @plane: index of the plane to be exported, 0 for single plane queues 1130 * @flags: flags for newly created file, currently only O_CLOEXEC is 1131 * supported, refer to manual of open syscall for more details 1132 * @fd: file descriptor associated with DMABUF (set by driver) 1133 * @reserved: drivers and applications must zero this array 1134 * 1135 * Contains data used for exporting a video buffer as DMABUF file descriptor. 1136 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 1137 * (identical to the cookie used to mmap() the buffer to userspace). All 1138 * reserved fields must be set to zero. The field reserved0 is expected to 1139 * become a structure 'type' allowing an alternative layout of the structure 1140 * content. Therefore this field should not be used for any other extensions. 1141 */ 1142 struct v4l2_exportbuffer { 1143 __u32 type; /* enum v4l2_buf_type */ 1144 __u32 index; 1145 __u32 plane; 1146 __u32 flags; 1147 __s32 fd; 1148 __u32 reserved[11]; 1149 }; 1150 1151 /* 1152 * O V E R L A Y P R E V I E W 1153 */ 1154 struct v4l2_framebuffer { 1155 __u32 capability; 1156 __u32 flags; 1157 /* FIXME: in theory we should pass something like PCI device + memory 1158 * region + offset instead of some physical address */ 1159 void *base; 1160 struct { 1161 __u32 width; 1162 __u32 height; 1163 __u32 pixelformat; 1164 __u32 field; /* enum v4l2_field */ 1165 __u32 bytesperline; /* for padding, zero if unused */ 1166 __u32 sizeimage; 1167 __u32 colorspace; /* enum v4l2_colorspace */ 1168 __u32 priv; /* reserved field, set to 0 */ 1169 } fmt; 1170 }; 1171 /* Flags for the 'capability' field. Read only */ 1172 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 1173 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 1174 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 1175 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 1176 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 1177 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 1178 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 1179 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 1180 /* Flags for the 'flags' field. */ 1181 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 1182 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 1183 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 1184 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 1185 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 1186 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 1187 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 1188 1189 struct v4l2_clip { 1190 struct v4l2_rect c; 1191 struct v4l2_clip __user *next; 1192 }; 1193 1194 struct v4l2_window { 1195 struct v4l2_rect w; 1196 __u32 field; /* enum v4l2_field */ 1197 __u32 chromakey; 1198 struct v4l2_clip *clips; 1199 __u32 clipcount; 1200 void __user *bitmap; 1201 __u8 global_alpha; 1202 }; 1203 1204 /* 1205 * C A P T U R E P A R A M E T E R S 1206 */ 1207 struct v4l2_captureparm { 1208 __u32 capability; /* Supported modes */ 1209 __u32 capturemode; /* Current mode */ 1210 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1211 __u32 extendedmode; /* Driver-specific extensions */ 1212 __u32 readbuffers; /* # of buffers for read */ 1213 __u32 reserved[4]; 1214 }; 1215 1216 /* Flags for 'capability' and 'capturemode' fields */ 1217 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 1218 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 1219 1220 struct v4l2_outputparm { 1221 __u32 capability; /* Supported modes */ 1222 __u32 outputmode; /* Current mode */ 1223 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1224 __u32 extendedmode; /* Driver-specific extensions */ 1225 __u32 writebuffers; /* # of buffers for write */ 1226 __u32 reserved[4]; 1227 }; 1228 1229 /* 1230 * I N P U T I M A G E C R O P P I N G 1231 */ 1232 struct v4l2_cropcap { 1233 __u32 type; /* enum v4l2_buf_type */ 1234 struct v4l2_rect bounds; 1235 struct v4l2_rect defrect; 1236 struct v4l2_fract pixelaspect; 1237 }; 1238 1239 struct v4l2_crop { 1240 __u32 type; /* enum v4l2_buf_type */ 1241 struct v4l2_rect c; 1242 }; 1243 1244 /** 1245 * struct v4l2_selection - selection info 1246 * @type: buffer type (do not use *_MPLANE types) 1247 * @target: Selection target, used to choose one of possible rectangles; 1248 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 1249 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 1250 * @r: coordinates of selection window 1251 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 1252 * 1253 * Hardware may use multiple helper windows to process a video stream. 1254 * The structure is used to exchange this selection areas between 1255 * an application and a driver. 1256 */ 1257 struct v4l2_selection { 1258 __u32 type; 1259 __u32 target; 1260 __u32 flags; 1261 struct v4l2_rect r; 1262 __u32 reserved[9]; 1263 }; 1264 1265 1266 /* 1267 * A N A L O G V I D E O S T A N D A R D 1268 */ 1269 1270 typedef __u64 v4l2_std_id; 1271 1272 /* 1273 * Attention: Keep the V4L2_STD_* bit definitions in sync with 1274 * include/dt-bindings/display/sdtv-standards.h SDTV_STD_* bit definitions. 1275 */ 1276 /* one bit for each */ 1277 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 1278 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 1279 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 1280 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 1281 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 1282 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 1283 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 1284 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 1285 1286 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 1287 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 1288 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 1289 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 1290 1291 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 1292 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 1293 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 1294 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 1295 1296 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 1297 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 1298 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 1299 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 1300 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 1301 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 1302 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 1303 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 1304 1305 /* ATSC/HDTV */ 1306 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 1307 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 1308 1309 /* FIXME: 1310 Although std_id is 64 bits, there is an issue on PPC32 architecture that 1311 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 1312 this value to 32 bits. 1313 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 1314 it should work fine. However, if needed to add more than two standards, 1315 v4l2-common.c should be fixed. 1316 */ 1317 1318 /* 1319 * Some macros to merge video standards in order to make live easier for the 1320 * drivers and V4L2 applications 1321 */ 1322 1323 /* 1324 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 1325 * Missing here. 1326 */ 1327 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 1328 V4L2_STD_NTSC_M_JP |\ 1329 V4L2_STD_NTSC_M_KR) 1330 /* Secam macros */ 1331 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 1332 V4L2_STD_SECAM_K |\ 1333 V4L2_STD_SECAM_K1) 1334 /* All Secam Standards */ 1335 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 1336 V4L2_STD_SECAM_G |\ 1337 V4L2_STD_SECAM_H |\ 1338 V4L2_STD_SECAM_DK |\ 1339 V4L2_STD_SECAM_L |\ 1340 V4L2_STD_SECAM_LC) 1341 /* PAL macros */ 1342 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 1343 V4L2_STD_PAL_B1 |\ 1344 V4L2_STD_PAL_G) 1345 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1346 V4L2_STD_PAL_D1 |\ 1347 V4L2_STD_PAL_K) 1348 /* 1349 * "Common" PAL - This macro is there to be compatible with the old 1350 * V4L1 concept of "PAL": /BGDKHI. 1351 * Several PAL standards are missing here: /M, /N and /Nc 1352 */ 1353 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1354 V4L2_STD_PAL_DK |\ 1355 V4L2_STD_PAL_H |\ 1356 V4L2_STD_PAL_I) 1357 /* Chroma "agnostic" standards */ 1358 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 1359 V4L2_STD_PAL_B1 |\ 1360 V4L2_STD_SECAM_B) 1361 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 1362 V4L2_STD_SECAM_G) 1363 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 1364 V4L2_STD_SECAM_H) 1365 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1366 V4L2_STD_SECAM_LC) 1367 #define V4L2_STD_GH (V4L2_STD_G |\ 1368 V4L2_STD_H) 1369 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1370 V4L2_STD_SECAM_DK) 1371 #define V4L2_STD_BG (V4L2_STD_B |\ 1372 V4L2_STD_G) 1373 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1374 V4L2_STD_PAL_N |\ 1375 V4L2_STD_PAL_Nc |\ 1376 V4L2_STD_NTSC) 1377 1378 /* Standards where MTS/BTSC stereo could be found */ 1379 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1380 V4L2_STD_PAL_M |\ 1381 V4L2_STD_PAL_N |\ 1382 V4L2_STD_PAL_Nc) 1383 1384 /* Standards for Countries with 60Hz Line frequency */ 1385 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1386 V4L2_STD_PAL_60 |\ 1387 V4L2_STD_NTSC |\ 1388 V4L2_STD_NTSC_443) 1389 /* Standards for Countries with 50Hz Line frequency */ 1390 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1391 V4L2_STD_PAL_N |\ 1392 V4L2_STD_PAL_Nc |\ 1393 V4L2_STD_SECAM) 1394 1395 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1396 V4L2_STD_ATSC_16_VSB) 1397 /* Macros with none and all analog standards */ 1398 #define V4L2_STD_UNKNOWN 0 1399 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1400 V4L2_STD_625_50) 1401 1402 struct v4l2_standard { 1403 __u32 index; 1404 v4l2_std_id id; 1405 __u8 name[24]; 1406 struct v4l2_fract frameperiod; /* Frames, not fields */ 1407 __u32 framelines; 1408 __u32 reserved[4]; 1409 }; 1410 1411 /* 1412 * D V B T T I M I N G S 1413 */ 1414 1415 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1416 * @width: total width of the active video in pixels 1417 * @height: total height of the active video in lines 1418 * @interlaced: Interlaced or progressive 1419 * @polarities: Positive or negative polarities 1420 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1421 * @hfrontporch:Horizontal front porch in pixels 1422 * @hsync: Horizontal Sync length in pixels 1423 * @hbackporch: Horizontal back porch in pixels 1424 * @vfrontporch:Vertical front porch in lines 1425 * @vsync: Vertical Sync length in lines 1426 * @vbackporch: Vertical back porch in lines 1427 * @il_vfrontporch:Vertical front porch for the even field 1428 * (aka field 2) of interlaced field formats 1429 * @il_vsync: Vertical Sync length for the even field 1430 * (aka field 2) of interlaced field formats 1431 * @il_vbackporch:Vertical back porch for the even field 1432 * (aka field 2) of interlaced field formats 1433 * @standards: Standards the timing belongs to 1434 * @flags: Flags 1435 * @picture_aspect: The picture aspect ratio (hor/vert). 1436 * @cea861_vic: VIC code as per the CEA-861 standard. 1437 * @hdmi_vic: VIC code as per the HDMI standard. 1438 * @reserved: Reserved fields, must be zeroed. 1439 * 1440 * A note regarding vertical interlaced timings: height refers to the total 1441 * height of the active video frame (= two fields). The blanking timings refer 1442 * to the blanking of each field. So the height of the total frame is 1443 * calculated as follows: 1444 * 1445 * tot_height = height + vfrontporch + vsync + vbackporch + 1446 * il_vfrontporch + il_vsync + il_vbackporch 1447 * 1448 * The active height of each field is height / 2. 1449 */ 1450 struct v4l2_bt_timings { 1451 __u32 width; 1452 __u32 height; 1453 __u32 interlaced; 1454 __u32 polarities; 1455 __u64 pixelclock; 1456 __u32 hfrontporch; 1457 __u32 hsync; 1458 __u32 hbackporch; 1459 __u32 vfrontporch; 1460 __u32 vsync; 1461 __u32 vbackporch; 1462 __u32 il_vfrontporch; 1463 __u32 il_vsync; 1464 __u32 il_vbackporch; 1465 __u32 standards; 1466 __u32 flags; 1467 struct v4l2_fract picture_aspect; 1468 __u8 cea861_vic; 1469 __u8 hdmi_vic; 1470 __u8 reserved[46]; 1471 } __attribute__ ((packed)); 1472 1473 /* Interlaced or progressive format */ 1474 #define V4L2_DV_PROGRESSIVE 0 1475 #define V4L2_DV_INTERLACED 1 1476 1477 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1478 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1479 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1480 1481 /* Timings standards */ 1482 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1483 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1484 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1485 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1486 #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */ 1487 1488 /* Flags */ 1489 1490 /* 1491 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1492 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1493 * intervals are reduced, allowing a higher resolution over the same 1494 * bandwidth. This is a read-only flag. 1495 */ 1496 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1497 /* 1498 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1499 * of six. These formats can be optionally played at 1 / 1.001 speed. 1500 * This is a read-only flag. 1501 */ 1502 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1503 /* 1504 * CEA-861 specific: only valid for video transmitters, the flag is cleared 1505 * by receivers. 1506 * If the framerate of the format is a multiple of six, then the pixelclock 1507 * used to set up the transmitter is divided by 1.001 to make it compatible 1508 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1509 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1510 * such frequencies, then the flag will also be cleared. 1511 */ 1512 #define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1513 /* 1514 * Specific to interlaced formats: if set, then field 1 is really one half-line 1515 * longer and field 2 is really one half-line shorter, so each field has 1516 * exactly the same number of half-lines. Whether half-lines can be detected 1517 * or used depends on the hardware. 1518 */ 1519 #define V4L2_DV_FL_HALF_LINE (1 << 3) 1520 /* 1521 * If set, then this is a Consumer Electronics (CE) video format. Such formats 1522 * differ from other formats (commonly called IT formats) in that if RGB 1523 * encoding is used then by default the RGB values use limited range (i.e. 1524 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861 1525 * except for the 640x480 format are CE formats. 1526 */ 1527 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4) 1528 /* Some formats like SMPTE-125M have an interlaced signal with a odd 1529 * total height. For these formats, if this flag is set, the first 1530 * field has the extra line. If not, it is the second field. 1531 */ 1532 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5) 1533 /* 1534 * If set, then the picture_aspect field is valid. Otherwise assume that the 1535 * pixels are square, so the picture aspect ratio is the same as the width to 1536 * height ratio. 1537 */ 1538 #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6) 1539 /* 1540 * If set, then the cea861_vic field is valid and contains the Video 1541 * Identification Code as per the CEA-861 standard. 1542 */ 1543 #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7) 1544 /* 1545 * If set, then the hdmi_vic field is valid and contains the Video 1546 * Identification Code as per the HDMI standard (HDMI Vendor Specific 1547 * InfoFrame). 1548 */ 1549 #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8) 1550 /* 1551 * CEA-861 specific: only valid for video receivers. 1552 * If set, then HW can detect the difference between regular FPS and 1553 * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with 1554 * the V4L2_DV_FL_CAN_REDUCE_FPS flag set. 1555 */ 1556 #define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9) 1557 1558 /* A few useful defines to calculate the total blanking and frame sizes */ 1559 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1560 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1561 #define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1562 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1563 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1564 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1565 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) 1566 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1567 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1568 1569 /** struct v4l2_dv_timings - DV timings 1570 * @type: the type of the timings 1571 * @bt: BT656/1120 timings 1572 */ 1573 struct v4l2_dv_timings { 1574 __u32 type; 1575 union { 1576 struct v4l2_bt_timings bt; 1577 __u32 reserved[32]; 1578 }; 1579 } __attribute__ ((packed)); 1580 1581 /* Values for the type field */ 1582 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1583 1584 1585 /** struct v4l2_enum_dv_timings - DV timings enumeration 1586 * @index: enumeration index 1587 * @pad: the pad number for which to enumerate timings (used with 1588 * v4l-subdev nodes only) 1589 * @reserved: must be zeroed 1590 * @timings: the timings for the given index 1591 */ 1592 struct v4l2_enum_dv_timings { 1593 __u32 index; 1594 __u32 pad; 1595 __u32 reserved[2]; 1596 struct v4l2_dv_timings timings; 1597 }; 1598 1599 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1600 * @min_width: width in pixels 1601 * @max_width: width in pixels 1602 * @min_height: height in lines 1603 * @max_height: height in lines 1604 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1605 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1606 * @standards: Supported standards 1607 * @capabilities: Supported capabilities 1608 * @reserved: Must be zeroed 1609 */ 1610 struct v4l2_bt_timings_cap { 1611 __u32 min_width; 1612 __u32 max_width; 1613 __u32 min_height; 1614 __u32 max_height; 1615 __u64 min_pixelclock; 1616 __u64 max_pixelclock; 1617 __u32 standards; 1618 __u32 capabilities; 1619 __u32 reserved[16]; 1620 } __attribute__ ((packed)); 1621 1622 /* Supports interlaced formats */ 1623 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1624 /* Supports progressive formats */ 1625 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1626 /* Supports CVT/GTF reduced blanking */ 1627 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1628 /* Supports custom formats */ 1629 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1630 1631 /** struct v4l2_dv_timings_cap - DV timings capabilities 1632 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1633 * @pad: the pad number for which to query capabilities (used with 1634 * v4l-subdev nodes only) 1635 * @bt: the BT656/1120 timings capabilities 1636 */ 1637 struct v4l2_dv_timings_cap { 1638 __u32 type; 1639 __u32 pad; 1640 __u32 reserved[2]; 1641 union { 1642 struct v4l2_bt_timings_cap bt; 1643 __u32 raw_data[32]; 1644 }; 1645 }; 1646 1647 1648 /* 1649 * V I D E O I N P U T S 1650 */ 1651 struct v4l2_input { 1652 __u32 index; /* Which input */ 1653 __u8 name[32]; /* Label */ 1654 __u32 type; /* Type of input */ 1655 __u32 audioset; /* Associated audios (bitfield) */ 1656 __u32 tuner; /* enum v4l2_tuner_type */ 1657 v4l2_std_id std; 1658 __u32 status; 1659 __u32 capabilities; 1660 __u32 reserved[3]; 1661 }; 1662 1663 /* Values for the 'type' field */ 1664 #define V4L2_INPUT_TYPE_TUNER 1 1665 #define V4L2_INPUT_TYPE_CAMERA 2 1666 #define V4L2_INPUT_TYPE_TOUCH 3 1667 1668 /* field 'status' - general */ 1669 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1670 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1671 #define V4L2_IN_ST_NO_COLOR 0x00000004 1672 1673 /* field 'status' - sensor orientation */ 1674 /* If sensor is mounted upside down set both bits */ 1675 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1676 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1677 1678 /* field 'status' - analog */ 1679 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1680 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1681 #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */ 1682 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */ 1683 1684 /* field 'status' - digital */ 1685 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1686 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1687 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1688 1689 /* field 'status' - VCR and set-top box */ 1690 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1691 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1692 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1693 1694 /* capabilities flags */ 1695 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1696 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1697 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1698 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1699 1700 /* 1701 * V I D E O O U T P U T S 1702 */ 1703 struct v4l2_output { 1704 __u32 index; /* Which output */ 1705 __u8 name[32]; /* Label */ 1706 __u32 type; /* Type of output */ 1707 __u32 audioset; /* Associated audios (bitfield) */ 1708 __u32 modulator; /* Associated modulator */ 1709 v4l2_std_id std; 1710 __u32 capabilities; 1711 __u32 reserved[3]; 1712 }; 1713 /* Values for the 'type' field */ 1714 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1715 #define V4L2_OUTPUT_TYPE_ANALOG 2 1716 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1717 1718 /* capabilities flags */ 1719 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1720 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1721 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1722 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1723 1724 /* 1725 * C O N T R O L S 1726 */ 1727 struct v4l2_control { 1728 __u32 id; 1729 __s32 value; 1730 }; 1731 1732 struct v4l2_ext_control { 1733 __u32 id; 1734 __u32 size; 1735 __u32 reserved2[1]; 1736 union { 1737 __s32 value; 1738 __s64 value64; 1739 char __user *string; 1740 __u8 __user *p_u8; 1741 __u16 __user *p_u16; 1742 __u32 __user *p_u32; 1743 struct v4l2_area __user *p_area; 1744 struct v4l2_ctrl_h264_sps __user *p_h264_sps; 1745 struct v4l2_ctrl_h264_pps *p_h264_pps; 1746 struct v4l2_ctrl_h264_scaling_matrix __user *p_h264_scaling_matrix; 1747 struct v4l2_ctrl_h264_pred_weights __user *p_h264_pred_weights; 1748 struct v4l2_ctrl_h264_slice_params __user *p_h264_slice_params; 1749 struct v4l2_ctrl_h264_decode_params __user *p_h264_decode_params; 1750 struct v4l2_ctrl_fwht_params __user *p_fwht_params; 1751 struct v4l2_ctrl_vp8_frame __user *p_vp8_frame; 1752 struct v4l2_ctrl_mpeg2_sequence __user *p_mpeg2_sequence; 1753 struct v4l2_ctrl_mpeg2_picture __user *p_mpeg2_picture; 1754 struct v4l2_ctrl_mpeg2_quantisation __user *p_mpeg2_quantisation; 1755 void __user *ptr; 1756 }; 1757 } __attribute__ ((packed)); 1758 1759 struct v4l2_ext_controls { 1760 union { 1761 #ifndef __KERNEL__ 1762 __u32 ctrl_class; 1763 #endif 1764 __u32 which; 1765 }; 1766 __u32 count; 1767 __u32 error_idx; 1768 __s32 request_fd; 1769 __u32 reserved[1]; 1770 struct v4l2_ext_control *controls; 1771 }; 1772 1773 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1774 #ifndef __KERNEL__ 1775 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1776 #endif 1777 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL) 1778 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1779 #define V4L2_CTRL_MAX_DIMS (4) 1780 #define V4L2_CTRL_WHICH_CUR_VAL 0 1781 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000 1782 #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000 1783 1784 enum v4l2_ctrl_type { 1785 V4L2_CTRL_TYPE_INTEGER = 1, 1786 V4L2_CTRL_TYPE_BOOLEAN = 2, 1787 V4L2_CTRL_TYPE_MENU = 3, 1788 V4L2_CTRL_TYPE_BUTTON = 4, 1789 V4L2_CTRL_TYPE_INTEGER64 = 5, 1790 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1791 V4L2_CTRL_TYPE_STRING = 7, 1792 V4L2_CTRL_TYPE_BITMASK = 8, 1793 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1794 1795 /* Compound types are >= 0x0100 */ 1796 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1797 V4L2_CTRL_TYPE_U8 = 0x0100, 1798 V4L2_CTRL_TYPE_U16 = 0x0101, 1799 V4L2_CTRL_TYPE_U32 = 0x0102, 1800 V4L2_CTRL_TYPE_AREA = 0x0106, 1801 1802 V4L2_CTRL_TYPE_HDR10_CLL_INFO = 0x0110, 1803 V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY = 0x0111, 1804 1805 V4L2_CTRL_TYPE_H264_SPS = 0x0200, 1806 V4L2_CTRL_TYPE_H264_PPS = 0x0201, 1807 V4L2_CTRL_TYPE_H264_SCALING_MATRIX = 0x0202, 1808 V4L2_CTRL_TYPE_H264_SLICE_PARAMS = 0x0203, 1809 V4L2_CTRL_TYPE_H264_DECODE_PARAMS = 0x0204, 1810 V4L2_CTRL_TYPE_H264_PRED_WEIGHTS = 0x0205, 1811 1812 V4L2_CTRL_TYPE_FWHT_PARAMS = 0x0220, 1813 1814 V4L2_CTRL_TYPE_VP8_FRAME = 0x0240, 1815 1816 V4L2_CTRL_TYPE_MPEG2_QUANTISATION = 0x0250, 1817 V4L2_CTRL_TYPE_MPEG2_SEQUENCE = 0x0251, 1818 V4L2_CTRL_TYPE_MPEG2_PICTURE = 0x0252, 1819 }; 1820 1821 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1822 struct v4l2_queryctrl { 1823 __u32 id; 1824 __u32 type; /* enum v4l2_ctrl_type */ 1825 __u8 name[32]; /* Whatever */ 1826 __s32 minimum; /* Note signedness */ 1827 __s32 maximum; 1828 __s32 step; 1829 __s32 default_value; 1830 __u32 flags; 1831 __u32 reserved[2]; 1832 }; 1833 1834 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1835 struct v4l2_query_ext_ctrl { 1836 __u32 id; 1837 __u32 type; 1838 char name[32]; 1839 __s64 minimum; 1840 __s64 maximum; 1841 __u64 step; 1842 __s64 default_value; 1843 __u32 flags; 1844 __u32 elem_size; 1845 __u32 elems; 1846 __u32 nr_of_dims; 1847 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1848 __u32 reserved[32]; 1849 }; 1850 1851 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1852 struct v4l2_querymenu { 1853 __u32 id; 1854 __u32 index; 1855 union { 1856 __u8 name[32]; /* Whatever */ 1857 __s64 value; 1858 }; 1859 __u32 reserved; 1860 } __attribute__ ((packed)); 1861 1862 /* Control flags */ 1863 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1864 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1865 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1866 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1867 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1868 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1869 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1870 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1871 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1872 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 1873 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400 1874 1875 /* Query flags, to be ORed with the control ID */ 1876 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1877 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1878 1879 /* User-class control IDs defined by V4L2 */ 1880 #define V4L2_CID_MAX_CTRLS 1024 1881 /* IDs reserved for driver specific controls */ 1882 #define V4L2_CID_PRIVATE_BASE 0x08000000 1883 1884 1885 /* 1886 * T U N I N G 1887 */ 1888 struct v4l2_tuner { 1889 __u32 index; 1890 __u8 name[32]; 1891 __u32 type; /* enum v4l2_tuner_type */ 1892 __u32 capability; 1893 __u32 rangelow; 1894 __u32 rangehigh; 1895 __u32 rxsubchans; 1896 __u32 audmode; 1897 __s32 signal; 1898 __s32 afc; 1899 __u32 reserved[4]; 1900 }; 1901 1902 struct v4l2_modulator { 1903 __u32 index; 1904 __u8 name[32]; 1905 __u32 capability; 1906 __u32 rangelow; 1907 __u32 rangehigh; 1908 __u32 txsubchans; 1909 __u32 type; /* enum v4l2_tuner_type */ 1910 __u32 reserved[3]; 1911 }; 1912 1913 /* Flags for the 'capability' field */ 1914 #define V4L2_TUNER_CAP_LOW 0x0001 1915 #define V4L2_TUNER_CAP_NORM 0x0002 1916 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1917 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1918 #define V4L2_TUNER_CAP_STEREO 0x0010 1919 #define V4L2_TUNER_CAP_LANG2 0x0020 1920 #define V4L2_TUNER_CAP_SAP 0x0020 1921 #define V4L2_TUNER_CAP_LANG1 0x0040 1922 #define V4L2_TUNER_CAP_RDS 0x0080 1923 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1924 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1925 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1926 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1927 #define V4L2_TUNER_CAP_1HZ 0x1000 1928 1929 /* Flags for the 'rxsubchans' field */ 1930 #define V4L2_TUNER_SUB_MONO 0x0001 1931 #define V4L2_TUNER_SUB_STEREO 0x0002 1932 #define V4L2_TUNER_SUB_LANG2 0x0004 1933 #define V4L2_TUNER_SUB_SAP 0x0004 1934 #define V4L2_TUNER_SUB_LANG1 0x0008 1935 #define V4L2_TUNER_SUB_RDS 0x0010 1936 1937 /* Values for the 'audmode' field */ 1938 #define V4L2_TUNER_MODE_MONO 0x0000 1939 #define V4L2_TUNER_MODE_STEREO 0x0001 1940 #define V4L2_TUNER_MODE_LANG2 0x0002 1941 #define V4L2_TUNER_MODE_SAP 0x0002 1942 #define V4L2_TUNER_MODE_LANG1 0x0003 1943 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1944 1945 struct v4l2_frequency { 1946 __u32 tuner; 1947 __u32 type; /* enum v4l2_tuner_type */ 1948 __u32 frequency; 1949 __u32 reserved[8]; 1950 }; 1951 1952 #define V4L2_BAND_MODULATION_VSB (1 << 1) 1953 #define V4L2_BAND_MODULATION_FM (1 << 2) 1954 #define V4L2_BAND_MODULATION_AM (1 << 3) 1955 1956 struct v4l2_frequency_band { 1957 __u32 tuner; 1958 __u32 type; /* enum v4l2_tuner_type */ 1959 __u32 index; 1960 __u32 capability; 1961 __u32 rangelow; 1962 __u32 rangehigh; 1963 __u32 modulation; 1964 __u32 reserved[9]; 1965 }; 1966 1967 struct v4l2_hw_freq_seek { 1968 __u32 tuner; 1969 __u32 type; /* enum v4l2_tuner_type */ 1970 __u32 seek_upward; 1971 __u32 wrap_around; 1972 __u32 spacing; 1973 __u32 rangelow; 1974 __u32 rangehigh; 1975 __u32 reserved[5]; 1976 }; 1977 1978 /* 1979 * R D S 1980 */ 1981 1982 struct v4l2_rds_data { 1983 __u8 lsb; 1984 __u8 msb; 1985 __u8 block; 1986 } __attribute__ ((packed)); 1987 1988 #define V4L2_RDS_BLOCK_MSK 0x7 1989 #define V4L2_RDS_BLOCK_A 0 1990 #define V4L2_RDS_BLOCK_B 1 1991 #define V4L2_RDS_BLOCK_C 2 1992 #define V4L2_RDS_BLOCK_D 3 1993 #define V4L2_RDS_BLOCK_C_ALT 4 1994 #define V4L2_RDS_BLOCK_INVALID 7 1995 1996 #define V4L2_RDS_BLOCK_CORRECTED 0x40 1997 #define V4L2_RDS_BLOCK_ERROR 0x80 1998 1999 /* 2000 * A U D I O 2001 */ 2002 struct v4l2_audio { 2003 __u32 index; 2004 __u8 name[32]; 2005 __u32 capability; 2006 __u32 mode; 2007 __u32 reserved[2]; 2008 }; 2009 2010 /* Flags for the 'capability' field */ 2011 #define V4L2_AUDCAP_STEREO 0x00001 2012 #define V4L2_AUDCAP_AVL 0x00002 2013 2014 /* Flags for the 'mode' field */ 2015 #define V4L2_AUDMODE_AVL 0x00001 2016 2017 struct v4l2_audioout { 2018 __u32 index; 2019 __u8 name[32]; 2020 __u32 capability; 2021 __u32 mode; 2022 __u32 reserved[2]; 2023 }; 2024 2025 /* 2026 * M P E G S E R V I C E S 2027 */ 2028 #if 1 2029 #define V4L2_ENC_IDX_FRAME_I (0) 2030 #define V4L2_ENC_IDX_FRAME_P (1) 2031 #define V4L2_ENC_IDX_FRAME_B (2) 2032 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 2033 2034 struct v4l2_enc_idx_entry { 2035 __u64 offset; 2036 __u64 pts; 2037 __u32 length; 2038 __u32 flags; 2039 __u32 reserved[2]; 2040 }; 2041 2042 #define V4L2_ENC_IDX_ENTRIES (64) 2043 struct v4l2_enc_idx { 2044 __u32 entries; 2045 __u32 entries_cap; 2046 __u32 reserved[4]; 2047 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 2048 }; 2049 2050 2051 #define V4L2_ENC_CMD_START (0) 2052 #define V4L2_ENC_CMD_STOP (1) 2053 #define V4L2_ENC_CMD_PAUSE (2) 2054 #define V4L2_ENC_CMD_RESUME (3) 2055 2056 /* Flags for V4L2_ENC_CMD_STOP */ 2057 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 2058 2059 struct v4l2_encoder_cmd { 2060 __u32 cmd; 2061 __u32 flags; 2062 union { 2063 struct { 2064 __u32 data[8]; 2065 } raw; 2066 }; 2067 }; 2068 2069 /* Decoder commands */ 2070 #define V4L2_DEC_CMD_START (0) 2071 #define V4L2_DEC_CMD_STOP (1) 2072 #define V4L2_DEC_CMD_PAUSE (2) 2073 #define V4L2_DEC_CMD_RESUME (3) 2074 #define V4L2_DEC_CMD_FLUSH (4) 2075 2076 /* Flags for V4L2_DEC_CMD_START */ 2077 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 2078 2079 /* Flags for V4L2_DEC_CMD_PAUSE */ 2080 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 2081 2082 /* Flags for V4L2_DEC_CMD_STOP */ 2083 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 2084 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 2085 2086 /* Play format requirements (returned by the driver): */ 2087 2088 /* The decoder has no special format requirements */ 2089 #define V4L2_DEC_START_FMT_NONE (0) 2090 /* The decoder requires full GOPs */ 2091 #define V4L2_DEC_START_FMT_GOP (1) 2092 2093 /* The structure must be zeroed before use by the application 2094 This ensures it can be extended safely in the future. */ 2095 struct v4l2_decoder_cmd { 2096 __u32 cmd; 2097 __u32 flags; 2098 union { 2099 struct { 2100 __u64 pts; 2101 } stop; 2102 2103 struct { 2104 /* 0 or 1000 specifies normal speed, 2105 1 specifies forward single stepping, 2106 -1 specifies backward single stepping, 2107 >1: playback at speed/1000 of the normal speed, 2108 <-1: reverse playback at (-speed/1000) of the normal speed. */ 2109 __s32 speed; 2110 __u32 format; 2111 } start; 2112 2113 struct { 2114 __u32 data[16]; 2115 } raw; 2116 }; 2117 }; 2118 #endif 2119 2120 2121 /* 2122 * D A T A S E R V I C E S ( V B I ) 2123 * 2124 * Data services API by Michael Schimek 2125 */ 2126 2127 /* Raw VBI */ 2128 struct v4l2_vbi_format { 2129 __u32 sampling_rate; /* in 1 Hz */ 2130 __u32 offset; 2131 __u32 samples_per_line; 2132 __u32 sample_format; /* V4L2_PIX_FMT_* */ 2133 __s32 start[2]; 2134 __u32 count[2]; 2135 __u32 flags; /* V4L2_VBI_* */ 2136 __u32 reserved[2]; /* must be zero */ 2137 }; 2138 2139 /* VBI flags */ 2140 #define V4L2_VBI_UNSYNC (1 << 0) 2141 #define V4L2_VBI_INTERLACED (1 << 1) 2142 2143 /* ITU-R start lines for each field */ 2144 #define V4L2_VBI_ITU_525_F1_START (1) 2145 #define V4L2_VBI_ITU_525_F2_START (264) 2146 #define V4L2_VBI_ITU_625_F1_START (1) 2147 #define V4L2_VBI_ITU_625_F2_START (314) 2148 2149 /* Sliced VBI 2150 * 2151 * This implements is a proposal V4L2 API to allow SLICED VBI 2152 * required for some hardware encoders. It should change without 2153 * notice in the definitive implementation. 2154 */ 2155 2156 struct v4l2_sliced_vbi_format { 2157 __u16 service_set; 2158 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2159 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2160 (equals frame lines 313-336 for 625 line video 2161 standards, 263-286 for 525 line standards) */ 2162 __u16 service_lines[2][24]; 2163 __u32 io_size; 2164 __u32 reserved[2]; /* must be zero */ 2165 }; 2166 2167 /* Teletext World System Teletext 2168 (WST), defined on ITU-R BT.653-2 */ 2169 #define V4L2_SLICED_TELETEXT_B (0x0001) 2170 /* Video Program System, defined on ETS 300 231*/ 2171 #define V4L2_SLICED_VPS (0x0400) 2172 /* Closed Caption, defined on EIA-608 */ 2173 #define V4L2_SLICED_CAPTION_525 (0x1000) 2174 /* Wide Screen System, defined on ITU-R BT1119.1 */ 2175 #define V4L2_SLICED_WSS_625 (0x4000) 2176 2177 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 2178 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 2179 2180 struct v4l2_sliced_vbi_cap { 2181 __u16 service_set; 2182 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 2183 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 2184 (equals frame lines 313-336 for 625 line video 2185 standards, 263-286 for 525 line standards) */ 2186 __u16 service_lines[2][24]; 2187 __u32 type; /* enum v4l2_buf_type */ 2188 __u32 reserved[3]; /* must be 0 */ 2189 }; 2190 2191 struct v4l2_sliced_vbi_data { 2192 __u32 id; 2193 __u32 field; /* 0: first field, 1: second field */ 2194 __u32 line; /* 1-23 */ 2195 __u32 reserved; /* must be 0 */ 2196 __u8 data[48]; 2197 }; 2198 2199 /* 2200 * Sliced VBI data inserted into MPEG Streams 2201 */ 2202 2203 /* 2204 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 2205 * 2206 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 2207 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 2208 * data 2209 * 2210 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 2211 * definitions are not included here. See the MPEG-2 specifications for details 2212 * on these headers. 2213 */ 2214 2215 /* Line type IDs */ 2216 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 2217 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 2218 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 2219 #define V4L2_MPEG_VBI_IVTV_VPS (7) 2220 2221 struct v4l2_mpeg_vbi_itv0_line { 2222 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 2223 __u8 data[42]; /* Sliced VBI data for the line */ 2224 } __attribute__ ((packed)); 2225 2226 struct v4l2_mpeg_vbi_itv0 { 2227 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 2228 struct v4l2_mpeg_vbi_itv0_line line[35]; 2229 } __attribute__ ((packed)); 2230 2231 struct v4l2_mpeg_vbi_ITV0 { 2232 struct v4l2_mpeg_vbi_itv0_line line[36]; 2233 } __attribute__ ((packed)); 2234 2235 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 2236 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 2237 2238 struct v4l2_mpeg_vbi_fmt_ivtv { 2239 __u8 magic[4]; 2240 union { 2241 struct v4l2_mpeg_vbi_itv0 itv0; 2242 struct v4l2_mpeg_vbi_ITV0 ITV0; 2243 }; 2244 } __attribute__ ((packed)); 2245 2246 /* 2247 * A G G R E G A T E S T R U C T U R E S 2248 */ 2249 2250 /** 2251 * struct v4l2_plane_pix_format - additional, per-plane format definition 2252 * @sizeimage: maximum size in bytes required for data, for which 2253 * this plane will be used 2254 * @bytesperline: distance in bytes between the leftmost pixels in two 2255 * adjacent lines 2256 * @reserved: drivers and applications must zero this array 2257 */ 2258 struct v4l2_plane_pix_format { 2259 __u32 sizeimage; 2260 __u32 bytesperline; 2261 __u16 reserved[6]; 2262 } __attribute__ ((packed)); 2263 2264 /** 2265 * struct v4l2_pix_format_mplane - multiplanar format definition 2266 * @width: image width in pixels 2267 * @height: image height in pixels 2268 * @pixelformat: little endian four character code (fourcc) 2269 * @field: enum v4l2_field; field order (for interlaced video) 2270 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 2271 * @plane_fmt: per-plane information 2272 * @num_planes: number of planes for this format 2273 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 2274 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding 2275 * @hsv_enc: enum v4l2_hsv_encoding, HSV encoding 2276 * @quantization: enum v4l2_quantization, colorspace quantization 2277 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function 2278 * @reserved: drivers and applications must zero this array 2279 */ 2280 struct v4l2_pix_format_mplane { 2281 __u32 width; 2282 __u32 height; 2283 __u32 pixelformat; 2284 __u32 field; 2285 __u32 colorspace; 2286 2287 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 2288 __u8 num_planes; 2289 __u8 flags; 2290 union { 2291 __u8 ycbcr_enc; 2292 __u8 hsv_enc; 2293 }; 2294 __u8 quantization; 2295 __u8 xfer_func; 2296 __u8 reserved[7]; 2297 } __attribute__ ((packed)); 2298 2299 /** 2300 * struct v4l2_sdr_format - SDR format definition 2301 * @pixelformat: little endian four character code (fourcc) 2302 * @buffersize: maximum size in bytes required for data 2303 * @reserved: drivers and applications must zero this array 2304 */ 2305 struct v4l2_sdr_format { 2306 __u32 pixelformat; 2307 __u32 buffersize; 2308 __u8 reserved[24]; 2309 } __attribute__ ((packed)); 2310 2311 /** 2312 * struct v4l2_meta_format - metadata format definition 2313 * @dataformat: little endian four character code (fourcc) 2314 * @buffersize: maximum size in bytes required for data 2315 */ 2316 struct v4l2_meta_format { 2317 __u32 dataformat; 2318 __u32 buffersize; 2319 } __attribute__ ((packed)); 2320 2321 /** 2322 * struct v4l2_format - stream data format 2323 * @type: enum v4l2_buf_type; type of the data stream 2324 * @pix: definition of an image format 2325 * @pix_mp: definition of a multiplanar image format 2326 * @win: definition of an overlaid image 2327 * @vbi: raw VBI capture or output parameters 2328 * @sliced: sliced VBI capture or output parameters 2329 * @raw_data: placeholder for future extensions and custom formats 2330 * @fmt: union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr, @meta 2331 * and @raw_data 2332 */ 2333 struct v4l2_format { 2334 __u32 type; 2335 union { 2336 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 2337 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 2338 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 2339 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 2340 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 2341 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 2342 struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */ 2343 __u8 raw_data[200]; /* user-defined */ 2344 } fmt; 2345 }; 2346 2347 /* Stream type-dependent parameters 2348 */ 2349 struct v4l2_streamparm { 2350 __u32 type; /* enum v4l2_buf_type */ 2351 union { 2352 struct v4l2_captureparm capture; 2353 struct v4l2_outputparm output; 2354 __u8 raw_data[200]; /* user-defined */ 2355 } parm; 2356 }; 2357 2358 /* 2359 * E V E N T S 2360 */ 2361 2362 #define V4L2_EVENT_ALL 0 2363 #define V4L2_EVENT_VSYNC 1 2364 #define V4L2_EVENT_EOS 2 2365 #define V4L2_EVENT_CTRL 3 2366 #define V4L2_EVENT_FRAME_SYNC 4 2367 #define V4L2_EVENT_SOURCE_CHANGE 5 2368 #define V4L2_EVENT_MOTION_DET 6 2369 #define V4L2_EVENT_PRIVATE_START 0x08000000 2370 2371 /* Payload for V4L2_EVENT_VSYNC */ 2372 struct v4l2_event_vsync { 2373 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 2374 __u8 field; 2375 } __attribute__ ((packed)); 2376 2377 /* Payload for V4L2_EVENT_CTRL */ 2378 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 2379 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 2380 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 2381 2382 struct v4l2_event_ctrl { 2383 __u32 changes; 2384 __u32 type; 2385 union { 2386 __s32 value; 2387 __s64 value64; 2388 }; 2389 __u32 flags; 2390 __s32 minimum; 2391 __s32 maximum; 2392 __s32 step; 2393 __s32 default_value; 2394 }; 2395 2396 struct v4l2_event_frame_sync { 2397 __u32 frame_sequence; 2398 }; 2399 2400 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 2401 2402 struct v4l2_event_src_change { 2403 __u32 changes; 2404 }; 2405 2406 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 2407 2408 /** 2409 * struct v4l2_event_motion_det - motion detection event 2410 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 2411 * frame_sequence field is valid. 2412 * @frame_sequence: the frame sequence number associated with this event. 2413 * @region_mask: which regions detected motion. 2414 */ 2415 struct v4l2_event_motion_det { 2416 __u32 flags; 2417 __u32 frame_sequence; 2418 __u32 region_mask; 2419 }; 2420 2421 struct v4l2_event { 2422 __u32 type; 2423 union { 2424 struct v4l2_event_vsync vsync; 2425 struct v4l2_event_ctrl ctrl; 2426 struct v4l2_event_frame_sync frame_sync; 2427 struct v4l2_event_src_change src_change; 2428 struct v4l2_event_motion_det motion_det; 2429 __u8 data[64]; 2430 } u; 2431 __u32 pending; 2432 __u32 sequence; 2433 #ifdef __KERNEL__ 2434 struct __kernel_timespec timestamp; 2435 #else 2436 struct timespec timestamp; 2437 #endif 2438 __u32 id; 2439 __u32 reserved[8]; 2440 }; 2441 2442 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2443 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2444 2445 struct v4l2_event_subscription { 2446 __u32 type; 2447 __u32 id; 2448 __u32 flags; 2449 __u32 reserved[5]; 2450 }; 2451 2452 /* 2453 * A D V A N C E D D E B U G G I N G 2454 * 2455 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2456 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2457 */ 2458 2459 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2460 2461 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2462 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2463 2464 /* The following four defines are no longer in use */ 2465 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2466 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2467 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2468 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2469 2470 struct v4l2_dbg_match { 2471 __u32 type; /* Match type */ 2472 union { /* Match this chip, meaning determined by type */ 2473 __u32 addr; 2474 char name[32]; 2475 }; 2476 } __attribute__ ((packed)); 2477 2478 struct v4l2_dbg_register { 2479 struct v4l2_dbg_match match; 2480 __u32 size; /* register size in bytes */ 2481 __u64 reg; 2482 __u64 val; 2483 } __attribute__ ((packed)); 2484 2485 #define V4L2_CHIP_FL_READABLE (1 << 0) 2486 #define V4L2_CHIP_FL_WRITABLE (1 << 1) 2487 2488 /* VIDIOC_DBG_G_CHIP_INFO */ 2489 struct v4l2_dbg_chip_info { 2490 struct v4l2_dbg_match match; 2491 char name[32]; 2492 __u32 flags; 2493 __u32 reserved[32]; 2494 } __attribute__ ((packed)); 2495 2496 /** 2497 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2498 * @index: on return, index of the first created buffer 2499 * @count: entry: number of requested buffers, 2500 * return: number of created buffers 2501 * @memory: enum v4l2_memory; buffer memory type 2502 * @format: frame format, for which buffers are requested 2503 * @capabilities: capabilities of this buffer type. 2504 * @reserved: future extensions 2505 */ 2506 struct v4l2_create_buffers { 2507 __u32 index; 2508 __u32 count; 2509 __u32 memory; 2510 struct v4l2_format format; 2511 __u32 capabilities; 2512 __u32 reserved[7]; 2513 }; 2514 2515 /* 2516 * 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 2517 * 2518 */ 2519 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2520 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2521 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2522 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2523 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2524 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2525 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2526 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2527 #define VIDIOC_OVERLAY _IOW('V', 14, int) 2528 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2529 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2530 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2531 #define VIDIOC_STREAMON _IOW('V', 18, int) 2532 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 2533 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2534 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2535 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2536 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2537 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2538 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2539 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2540 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2541 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2542 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2543 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2544 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2545 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2546 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2547 #define VIDIOC_G_INPUT _IOR('V', 38, int) 2548 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 2549 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2550 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2551 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2552 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2553 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2554 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2555 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2556 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2557 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2558 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2559 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2560 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2561 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2562 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2563 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2564 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2565 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2566 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2567 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2568 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2569 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2570 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2571 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2572 #define VIDIOC_LOG_STATUS _IO('V', 70) 2573 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2574 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2575 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2576 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2577 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2578 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2579 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2580 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2581 2582 /* 2583 * Experimental, meant for debugging, testing and internal use. 2584 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2585 * You must be root to use these ioctls. Never use these in applications! 2586 */ 2587 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2588 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2589 2590 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2591 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2592 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2593 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2594 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2595 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2596 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2597 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2598 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2599 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2600 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2601 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2602 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2603 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2604 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2605 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2606 2607 /* 2608 * Experimental, meant for debugging, testing and internal use. 2609 * Never use this in applications! 2610 */ 2611 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2612 2613 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2614 2615 /* Reminder: when adding new ioctls please add support for them to 2616 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */ 2617 2618 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2619 2620 /* Deprecated definitions kept for backwards compatibility */ 2621 #ifndef __KERNEL__ 2622 #define V4L2_PIX_FMT_HM12 V4L2_PIX_FMT_NV12_16L16 2623 #define V4L2_PIX_FMT_SUNXI_TILED_NV12 V4L2_PIX_FMT_NV12_32L32 2624 #endif 2625 2626 #endif /* _UAPI__LINUX_VIDEODEV2_H */ 2627