1 /* 2 * Video for Linux Two header file 3 * 4 * Copyright (C) 1999-2012 the contributors 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * Alternatively you can redistribute this file under the terms of the 17 * BSD license as stated below: 18 * 19 * Redistribution and use in source and binary forms, with or without 20 * modification, are permitted provided that the following conditions 21 * are met: 22 * 1. Redistributions of source code must retain the above copyright 23 * notice, this list of conditions and the following disclaimer. 24 * 2. Redistributions in binary form must reproduce the above copyright 25 * notice, this list of conditions and the following disclaimer in 26 * the documentation and/or other materials provided with the 27 * distribution. 28 * 3. The names of its contributors may not be used to endorse or promote 29 * products derived from this software without specific prior written 30 * permission. 31 * 32 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 33 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 34 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 35 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 36 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 37 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 38 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 39 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 40 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 41 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 42 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 43 * 44 * Header file for v4l or V4L2 drivers and applications 45 * with public API. 46 * All kernel-specific stuff were moved to media/v4l2-dev.h, so 47 * no #if __KERNEL tests are allowed here 48 * 49 * See https://linuxtv.org for more info 50 * 51 * Author: Bill Dirks <[email protected]> 52 * Justin Schoeman 53 * Hans Verkuil <[email protected]> 54 * et al. 55 */ 56 #ifndef _UAPI__LINUX_VIDEODEV2_H 57 #define _UAPI__LINUX_VIDEODEV2_H 58 59 #ifndef __KERNEL__ 60 #include <sys/time.h> 61 #endif 62 #include <linux/compiler.h> 63 #include <linux/ioctl.h> 64 #include <linux/types.h> 65 #include <linux/v4l2-common.h> 66 #include <linux/v4l2-controls.h> 67 68 /* 69 * Common stuff for both V4L1 and V4L2 70 * Moved from videodev.h 71 */ 72 #define VIDEO_MAX_FRAME 32 73 #define VIDEO_MAX_PLANES 8 74 75 /* 76 * M I S C E L L A N E O U S 77 */ 78 79 /* Four-character-code (FOURCC) */ 80 #define v4l2_fourcc(a, b, c, d)\ 81 ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24)) 82 #define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1 << 31)) 83 84 /* 85 * E N U M S 86 */ 87 enum v4l2_field { 88 V4L2_FIELD_ANY = 0, /* driver can choose from none, 89 top, bottom, interlaced 90 depending on whatever it thinks 91 is approximate ... */ 92 V4L2_FIELD_NONE = 1, /* this device has no fields ... */ 93 V4L2_FIELD_TOP = 2, /* top field only */ 94 V4L2_FIELD_BOTTOM = 3, /* bottom field only */ 95 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */ 96 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one 97 buffer, top-bottom order */ 98 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */ 99 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into 100 separate buffers */ 101 V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field 102 first and the top field is 103 transmitted first */ 104 V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field 105 first and the bottom field is 106 transmitted first */ 107 }; 108 #define V4L2_FIELD_HAS_TOP(field) \ 109 ((field) == V4L2_FIELD_TOP ||\ 110 (field) == V4L2_FIELD_INTERLACED ||\ 111 (field) == V4L2_FIELD_INTERLACED_TB ||\ 112 (field) == V4L2_FIELD_INTERLACED_BT ||\ 113 (field) == V4L2_FIELD_SEQ_TB ||\ 114 (field) == V4L2_FIELD_SEQ_BT) 115 #define V4L2_FIELD_HAS_BOTTOM(field) \ 116 ((field) == V4L2_FIELD_BOTTOM ||\ 117 (field) == V4L2_FIELD_INTERLACED ||\ 118 (field) == V4L2_FIELD_INTERLACED_TB ||\ 119 (field) == V4L2_FIELD_INTERLACED_BT ||\ 120 (field) == V4L2_FIELD_SEQ_TB ||\ 121 (field) == V4L2_FIELD_SEQ_BT) 122 #define V4L2_FIELD_HAS_BOTH(field) \ 123 ((field) == V4L2_FIELD_INTERLACED ||\ 124 (field) == V4L2_FIELD_INTERLACED_TB ||\ 125 (field) == V4L2_FIELD_INTERLACED_BT ||\ 126 (field) == V4L2_FIELD_SEQ_TB ||\ 127 (field) == V4L2_FIELD_SEQ_BT) 128 #define V4L2_FIELD_HAS_T_OR_B(field) \ 129 ((field) == V4L2_FIELD_BOTTOM ||\ 130 (field) == V4L2_FIELD_TOP ||\ 131 (field) == V4L2_FIELD_ALTERNATE) 132 133 enum v4l2_buf_type { 134 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1, 135 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2, 136 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3, 137 V4L2_BUF_TYPE_VBI_CAPTURE = 4, 138 V4L2_BUF_TYPE_VBI_OUTPUT = 5, 139 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6, 140 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7, 141 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8, 142 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9, 143 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10, 144 V4L2_BUF_TYPE_SDR_CAPTURE = 11, 145 V4L2_BUF_TYPE_SDR_OUTPUT = 12, 146 /* Deprecated, do not use */ 147 V4L2_BUF_TYPE_PRIVATE = 0x80, 148 }; 149 150 #define V4L2_TYPE_IS_MULTIPLANAR(type) \ 151 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \ 152 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) 153 154 #define V4L2_TYPE_IS_OUTPUT(type) \ 155 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \ 156 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \ 157 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \ 158 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \ 159 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \ 160 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \ 161 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT) 162 163 enum v4l2_tuner_type { 164 V4L2_TUNER_RADIO = 1, 165 V4L2_TUNER_ANALOG_TV = 2, 166 V4L2_TUNER_DIGITAL_TV = 3, 167 V4L2_TUNER_SDR = 4, 168 V4L2_TUNER_RF = 5, 169 }; 170 171 /* Deprecated, do not use */ 172 #define V4L2_TUNER_ADC V4L2_TUNER_SDR 173 174 enum v4l2_memory { 175 V4L2_MEMORY_MMAP = 1, 176 V4L2_MEMORY_USERPTR = 2, 177 V4L2_MEMORY_OVERLAY = 3, 178 V4L2_MEMORY_DMABUF = 4, 179 }; 180 181 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */ 182 enum v4l2_colorspace { 183 /* 184 * Default colorspace, i.e. let the driver figure it out. 185 * Can only be used with video capture. 186 */ 187 V4L2_COLORSPACE_DEFAULT = 0, 188 189 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */ 190 V4L2_COLORSPACE_SMPTE170M = 1, 191 192 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */ 193 V4L2_COLORSPACE_SMPTE240M = 2, 194 195 /* Rec.709: used for HDTV */ 196 V4L2_COLORSPACE_REC709 = 3, 197 198 /* 199 * Deprecated, do not use. No driver will ever return this. This was 200 * based on a misunderstanding of the bt878 datasheet. 201 */ 202 V4L2_COLORSPACE_BT878 = 4, 203 204 /* 205 * NTSC 1953 colorspace. This only makes sense when dealing with 206 * really, really old NTSC recordings. Superseded by SMPTE 170M. 207 */ 208 V4L2_COLORSPACE_470_SYSTEM_M = 5, 209 210 /* 211 * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when 212 * dealing with really old PAL/SECAM recordings. Superseded by 213 * SMPTE 170M. 214 */ 215 V4L2_COLORSPACE_470_SYSTEM_BG = 6, 216 217 /* 218 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601 219 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG. 220 */ 221 V4L2_COLORSPACE_JPEG = 7, 222 223 /* For RGB colorspaces such as produces by most webcams. */ 224 V4L2_COLORSPACE_SRGB = 8, 225 226 /* AdobeRGB colorspace */ 227 V4L2_COLORSPACE_ADOBERGB = 9, 228 229 /* BT.2020 colorspace, used for UHDTV. */ 230 V4L2_COLORSPACE_BT2020 = 10, 231 232 /* Raw colorspace: for RAW unprocessed images */ 233 V4L2_COLORSPACE_RAW = 11, 234 235 /* DCI-P3 colorspace, used by cinema projectors */ 236 V4L2_COLORSPACE_DCI_P3 = 12, 237 }; 238 239 /* 240 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace. 241 * This depends on whether this is a SDTV image (use SMPTE 170M), an 242 * HDTV image (use Rec. 709), or something else (use sRGB). 243 */ 244 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \ 245 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \ 246 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB)) 247 248 enum v4l2_xfer_func { 249 /* 250 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions 251 * for the various colorspaces: 252 * 253 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 254 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and 255 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709 256 * 257 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB 258 * 259 * V4L2_COLORSPACE_ADOBERGB: V4L2_XFER_FUNC_ADOBERGB 260 * 261 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M 262 * 263 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE 264 * 265 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3 266 */ 267 V4L2_XFER_FUNC_DEFAULT = 0, 268 V4L2_XFER_FUNC_709 = 1, 269 V4L2_XFER_FUNC_SRGB = 2, 270 V4L2_XFER_FUNC_ADOBERGB = 3, 271 V4L2_XFER_FUNC_SMPTE240M = 4, 272 V4L2_XFER_FUNC_NONE = 5, 273 V4L2_XFER_FUNC_DCI_P3 = 6, 274 V4L2_XFER_FUNC_SMPTE2084 = 7, 275 }; 276 277 /* 278 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function. 279 * This depends on the colorspace. 280 */ 281 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \ 282 ((colsp) == V4L2_COLORSPACE_ADOBERGB ? V4L2_XFER_FUNC_ADOBERGB : \ 283 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \ 284 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \ 285 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \ 286 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \ 287 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709))))) 288 289 enum v4l2_ycbcr_encoding { 290 /* 291 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the 292 * various colorspaces: 293 * 294 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M, 295 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB, 296 * V4L2_COLORSPACE_ADOBERGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601 297 * 298 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709 299 * 300 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020 301 * 302 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M 303 */ 304 V4L2_YCBCR_ENC_DEFAULT = 0, 305 306 /* ITU-R 601 -- SDTV */ 307 V4L2_YCBCR_ENC_601 = 1, 308 309 /* Rec. 709 -- HDTV */ 310 V4L2_YCBCR_ENC_709 = 2, 311 312 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */ 313 V4L2_YCBCR_ENC_XV601 = 3, 314 315 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */ 316 V4L2_YCBCR_ENC_XV709 = 4, 317 318 #ifndef __KERNEL__ 319 /* 320 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added 321 * originally due to a misunderstanding of the sYCC standard. It should 322 * not be used, instead use V4L2_YCBCR_ENC_601. 323 */ 324 V4L2_YCBCR_ENC_SYCC = 5, 325 #endif 326 327 /* BT.2020 Non-constant Luminance Y'CbCr */ 328 V4L2_YCBCR_ENC_BT2020 = 6, 329 330 /* BT.2020 Constant Luminance Y'CbcCrc */ 331 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7, 332 333 /* SMPTE 240M -- Obsolete HDTV */ 334 V4L2_YCBCR_ENC_SMPTE240M = 8, 335 }; 336 337 /* 338 * enum v4l2_hsv_encoding values should not collide with the ones from 339 * enum v4l2_ycbcr_encoding. 340 */ 341 enum v4l2_hsv_encoding { 342 343 /* Hue mapped to 0 - 179 */ 344 V4L2_HSV_ENC_180 = 128, 345 346 /* Hue mapped to 0-255 */ 347 V4L2_HSV_ENC_256 = 129, 348 }; 349 350 /* 351 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding. 352 * This depends on the colorspace. 353 */ 354 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \ 355 (((colsp) == V4L2_COLORSPACE_REC709 || \ 356 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \ 357 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \ 358 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \ 359 V4L2_YCBCR_ENC_601))) 360 361 enum v4l2_quantization { 362 /* 363 * The default for R'G'B' quantization is always full range, except 364 * for the BT2020 colorspace. For Y'CbCr the quantization is always 365 * limited range, except for COLORSPACE_JPEG, SRGB, ADOBERGB, 366 * XV601 or XV709: those are full range. 367 */ 368 V4L2_QUANTIZATION_DEFAULT = 0, 369 V4L2_QUANTIZATION_FULL_RANGE = 1, 370 V4L2_QUANTIZATION_LIM_RANGE = 2, 371 }; 372 373 /* 374 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization. 375 * This depends on whether the image is RGB or not, the colorspace and the 376 * Y'CbCr encoding. 377 */ 378 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \ 379 (((is_rgb_or_hsv) && (colsp) == V4L2_COLORSPACE_BT2020) ? \ 380 V4L2_QUANTIZATION_LIM_RANGE : \ 381 (((is_rgb_or_hsv) || (ycbcr_enc) == V4L2_YCBCR_ENC_XV601 || \ 382 (ycbcr_enc) == V4L2_YCBCR_ENC_XV709 || (colsp) == V4L2_COLORSPACE_JPEG) || \ 383 (colsp) == V4L2_COLORSPACE_ADOBERGB || (colsp) == V4L2_COLORSPACE_SRGB ? \ 384 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE)) 385 386 enum v4l2_priority { 387 V4L2_PRIORITY_UNSET = 0, /* not initialized */ 388 V4L2_PRIORITY_BACKGROUND = 1, 389 V4L2_PRIORITY_INTERACTIVE = 2, 390 V4L2_PRIORITY_RECORD = 3, 391 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE, 392 }; 393 394 struct v4l2_rect { 395 __s32 left; 396 __s32 top; 397 __u32 width; 398 __u32 height; 399 }; 400 401 struct v4l2_fract { 402 __u32 numerator; 403 __u32 denominator; 404 }; 405 406 /** 407 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP 408 * 409 * @driver: name of the driver module (e.g. "bttv") 410 * @card: name of the card (e.g. "Hauppauge WinTV") 411 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) ) 412 * @version: KERNEL_VERSION 413 * @capabilities: capabilities of the physical device as a whole 414 * @device_caps: capabilities accessed via this particular device (node) 415 * @reserved: reserved fields for future extensions 416 */ 417 struct v4l2_capability { 418 __u8 driver[16]; 419 __u8 card[32]; 420 __u8 bus_info[32]; 421 __u32 version; 422 __u32 capabilities; 423 __u32 device_caps; 424 __u32 reserved[3]; 425 }; 426 427 /* Values for 'capabilities' field */ 428 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */ 429 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */ 430 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */ 431 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */ 432 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */ 433 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */ 434 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */ 435 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */ 436 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */ 437 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */ 438 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */ 439 440 /* Is a video capture device that supports multiplanar formats */ 441 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000 442 /* Is a video output device that supports multiplanar formats */ 443 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000 444 /* Is a video mem-to-mem device that supports multiplanar formats */ 445 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000 446 /* Is a video mem-to-mem device */ 447 #define V4L2_CAP_VIDEO_M2M 0x00008000 448 449 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */ 450 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */ 451 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */ 452 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */ 453 454 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */ 455 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */ 456 #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */ 457 458 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */ 459 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */ 460 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */ 461 462 #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */ 463 464 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */ 465 466 /* 467 * V I D E O I M A G E F O R M A T 468 */ 469 struct v4l2_pix_format { 470 __u32 width; 471 __u32 height; 472 __u32 pixelformat; 473 __u32 field; /* enum v4l2_field */ 474 __u32 bytesperline; /* for padding, zero if unused */ 475 __u32 sizeimage; 476 __u32 colorspace; /* enum v4l2_colorspace */ 477 __u32 priv; /* private data, depends on pixelformat */ 478 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */ 479 union { 480 /* enum v4l2_ycbcr_encoding */ 481 __u32 ycbcr_enc; 482 /* enum v4l2_hsv_encoding */ 483 __u32 hsv_enc; 484 }; 485 __u32 quantization; /* enum v4l2_quantization */ 486 __u32 xfer_func; /* enum v4l2_xfer_func */ 487 }; 488 489 /* Pixel format FOURCC depth Description */ 490 491 /* RGB formats */ 492 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */ 493 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */ 494 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */ 495 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */ 496 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */ 497 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */ 498 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */ 499 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */ 500 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */ 501 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */ 502 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */ 503 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */ 504 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */ 505 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */ 506 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */ 507 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */ 508 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */ 509 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */ 510 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */ 511 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */ 512 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */ 513 514 /* Grey formats */ 515 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ 516 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */ 517 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ 518 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ 519 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ 520 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ 521 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */ 522 523 /* Grey bit-packed formats */ 524 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ 525 526 /* Palette formats */ 527 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ 528 529 /* Chrominance formats */ 530 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ 531 532 /* Luminance+Chrominance formats */ 533 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */ 534 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */ 535 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */ 536 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */ 537 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */ 538 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */ 539 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */ 540 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */ 541 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */ 542 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */ 543 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */ 544 #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */ 545 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */ 546 547 /* two planes -- one Y, one Cr + Cb interleaved */ 548 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */ 549 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */ 550 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */ 551 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */ 552 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */ 553 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */ 554 555 /* two non contiguous planes - one Y, one Cr + Cb interleaved */ 556 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */ 557 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */ 558 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */ 559 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */ 560 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */ 561 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */ 562 563 /* three planes - Y Cb, Cr */ 564 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */ 565 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ 566 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */ 567 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */ 568 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ 569 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */ 570 571 /* three non contiguous planes - Y, Cb, Cr */ 572 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */ 573 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */ 574 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */ 575 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */ 576 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */ 577 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */ 578 579 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */ 580 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ 581 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ 582 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ 583 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ 584 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ 585 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ 586 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ 587 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ 588 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */ 589 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A') 590 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A') 591 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A') 592 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A') 593 /* 10bit raw bayer a-law compressed to 8 bits */ 594 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') 595 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') 596 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') 597 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') 598 /* 10bit raw bayer DPCM compressed to 8 bits */ 599 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') 600 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8') 601 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') 602 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8') 603 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */ 604 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ 605 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ 606 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ 607 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */ 608 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */ 609 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */ 610 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */ 611 612 /* HSV formats */ 613 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3') 614 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4') 615 616 /* compressed formats */ 617 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */ 618 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */ 619 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */ 620 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */ 621 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */ 622 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */ 623 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */ 624 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */ 625 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */ 626 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */ 627 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */ 628 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */ 629 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */ 630 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */ 631 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */ 632 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */ 633 634 /* Vendor-specific formats */ 635 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */ 636 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */ 637 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */ 638 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */ 639 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */ 640 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */ 641 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */ 642 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */ 643 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */ 644 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */ 645 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */ 646 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */ 647 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */ 648 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */ 649 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */ 650 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */ 651 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */ 652 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */ 653 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */ 654 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */ 655 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */ 656 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */ 657 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */ 658 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */ 659 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */ 660 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */ 661 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */ 662 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */ 663 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */ 664 #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */ 665 666 /* SDR formats - used only for Software Defined Radio devices */ 667 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */ 668 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */ 669 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */ 670 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */ 671 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */ 672 673 /* Touch formats - used for Touch devices */ 674 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */ 675 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */ 676 #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */ 677 #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */ 678 679 /* priv field value to indicates that subsequent fields are valid. */ 680 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe 681 682 /* Flags */ 683 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001 684 685 /* 686 * F O R M A T E N U M E R A T I O N 687 */ 688 struct v4l2_fmtdesc { 689 __u32 index; /* Format number */ 690 __u32 type; /* enum v4l2_buf_type */ 691 __u32 flags; 692 __u8 description[32]; /* Description string */ 693 __u32 pixelformat; /* Format fourcc */ 694 __u32 reserved[4]; 695 }; 696 697 #define V4L2_FMT_FLAG_COMPRESSED 0x0001 698 #define V4L2_FMT_FLAG_EMULATED 0x0002 699 700 /* Frame Size and frame rate enumeration */ 701 /* 702 * F R A M E S I Z E E N U M E R A T I O N 703 */ 704 enum v4l2_frmsizetypes { 705 V4L2_FRMSIZE_TYPE_DISCRETE = 1, 706 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2, 707 V4L2_FRMSIZE_TYPE_STEPWISE = 3, 708 }; 709 710 struct v4l2_frmsize_discrete { 711 __u32 width; /* Frame width [pixel] */ 712 __u32 height; /* Frame height [pixel] */ 713 }; 714 715 struct v4l2_frmsize_stepwise { 716 __u32 min_width; /* Minimum frame width [pixel] */ 717 __u32 max_width; /* Maximum frame width [pixel] */ 718 __u32 step_width; /* Frame width step size [pixel] */ 719 __u32 min_height; /* Minimum frame height [pixel] */ 720 __u32 max_height; /* Maximum frame height [pixel] */ 721 __u32 step_height; /* Frame height step size [pixel] */ 722 }; 723 724 struct v4l2_frmsizeenum { 725 __u32 index; /* Frame size number */ 726 __u32 pixel_format; /* Pixel format */ 727 __u32 type; /* Frame size type the device supports. */ 728 729 union { /* Frame size */ 730 struct v4l2_frmsize_discrete discrete; 731 struct v4l2_frmsize_stepwise stepwise; 732 }; 733 734 __u32 reserved[2]; /* Reserved space for future use */ 735 }; 736 737 /* 738 * F R A M E R A T E E N U M E R A T I O N 739 */ 740 enum v4l2_frmivaltypes { 741 V4L2_FRMIVAL_TYPE_DISCRETE = 1, 742 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2, 743 V4L2_FRMIVAL_TYPE_STEPWISE = 3, 744 }; 745 746 struct v4l2_frmival_stepwise { 747 struct v4l2_fract min; /* Minimum frame interval [s] */ 748 struct v4l2_fract max; /* Maximum frame interval [s] */ 749 struct v4l2_fract step; /* Frame interval step size [s] */ 750 }; 751 752 struct v4l2_frmivalenum { 753 __u32 index; /* Frame format index */ 754 __u32 pixel_format; /* Pixel format */ 755 __u32 width; /* Frame width */ 756 __u32 height; /* Frame height */ 757 __u32 type; /* Frame interval type the device supports. */ 758 759 union { /* Frame interval */ 760 struct v4l2_fract discrete; 761 struct v4l2_frmival_stepwise stepwise; 762 }; 763 764 __u32 reserved[2]; /* Reserved space for future use */ 765 }; 766 767 /* 768 * T I M E C O D E 769 */ 770 struct v4l2_timecode { 771 __u32 type; 772 __u32 flags; 773 __u8 frames; 774 __u8 seconds; 775 __u8 minutes; 776 __u8 hours; 777 __u8 userbits[4]; 778 }; 779 780 /* Type */ 781 #define V4L2_TC_TYPE_24FPS 1 782 #define V4L2_TC_TYPE_25FPS 2 783 #define V4L2_TC_TYPE_30FPS 3 784 #define V4L2_TC_TYPE_50FPS 4 785 #define V4L2_TC_TYPE_60FPS 5 786 787 /* Flags */ 788 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */ 789 #define V4L2_TC_FLAG_COLORFRAME 0x0002 790 #define V4L2_TC_USERBITS_field 0x000C 791 #define V4L2_TC_USERBITS_USERDEFINED 0x0000 792 #define V4L2_TC_USERBITS_8BITCHARS 0x0008 793 /* The above is based on SMPTE timecodes */ 794 795 struct v4l2_jpegcompression { 796 int quality; 797 798 int APPn; /* Number of APP segment to be written, 799 * must be 0..15 */ 800 int APP_len; /* Length of data in JPEG APPn segment */ 801 char APP_data[60]; /* Data in the JPEG APPn segment. */ 802 803 int COM_len; /* Length of data in JPEG COM segment */ 804 char COM_data[60]; /* Data in JPEG COM segment */ 805 806 __u32 jpeg_markers; /* Which markers should go into the JPEG 807 * output. Unless you exactly know what 808 * you do, leave them untouched. 809 * Including less markers will make the 810 * resulting code smaller, but there will 811 * be fewer applications which can read it. 812 * The presence of the APP and COM marker 813 * is influenced by APP_len and COM_len 814 * ONLY, not by this property! */ 815 816 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */ 817 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */ 818 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */ 819 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */ 820 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will 821 * always use APP0 */ 822 }; 823 824 /* 825 * M E M O R Y - M A P P I N G B U F F E R S 826 */ 827 struct v4l2_requestbuffers { 828 __u32 count; 829 __u32 type; /* enum v4l2_buf_type */ 830 __u32 memory; /* enum v4l2_memory */ 831 __u32 reserved[2]; 832 }; 833 834 /** 835 * struct v4l2_plane - plane info for multi-planar buffers 836 * @bytesused: number of bytes occupied by data in the plane (payload) 837 * @length: size of this plane (NOT the payload) in bytes 838 * @mem_offset: when memory in the associated struct v4l2_buffer is 839 * V4L2_MEMORY_MMAP, equals the offset from the start of 840 * the device memory for this plane (or is a "cookie" that 841 * should be passed to mmap() called on the video node) 842 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer 843 * pointing to this plane 844 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file 845 * descriptor associated with this plane 846 * @data_offset: offset in the plane to the start of data; usually 0, 847 * unless there is a header in front of the data 848 * 849 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer 850 * with two planes can have one plane for Y, and another for interleaved CbCr 851 * components. Each plane can reside in a separate memory buffer, or even in 852 * a completely separate memory node (e.g. in embedded devices). 853 */ 854 struct v4l2_plane { 855 __u32 bytesused; 856 __u32 length; 857 union { 858 __u32 mem_offset; 859 unsigned long userptr; 860 __s32 fd; 861 } m; 862 __u32 data_offset; 863 __u32 reserved[11]; 864 }; 865 866 /** 867 * struct v4l2_buffer - video buffer info 868 * @index: id number of the buffer 869 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 870 * multiplanar buffers); 871 * @bytesused: number of bytes occupied by data in the buffer (payload); 872 * unused (set to 0) for multiplanar buffers 873 * @flags: buffer informational flags 874 * @field: enum v4l2_field; field order of the image in the buffer 875 * @timestamp: frame timestamp 876 * @timecode: frame timecode 877 * @sequence: sequence count of this frame 878 * @memory: enum v4l2_memory; the method, in which the actual video data is 879 * passed 880 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP; 881 * offset from the start of the device memory for this plane, 882 * (or a "cookie" that should be passed to mmap() as offset) 883 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR; 884 * a userspace pointer pointing to this buffer 885 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF; 886 * a userspace file descriptor associated with this buffer 887 * @planes: for multiplanar buffers; userspace pointer to the array of plane 888 * info structs for this buffer 889 * @length: size in bytes of the buffer (NOT its payload) for single-plane 890 * buffers (when type != *_MPLANE); number of elements in the 891 * planes array for multi-plane buffers 892 * 893 * Contains data exchanged by application and driver using one of the Streaming 894 * I/O methods. 895 */ 896 struct v4l2_buffer { 897 __u32 index; 898 __u32 type; 899 __u32 bytesused; 900 __u32 flags; 901 __u32 field; 902 struct timeval timestamp; 903 struct v4l2_timecode timecode; 904 __u32 sequence; 905 906 /* memory location */ 907 __u32 memory; 908 union { 909 __u32 offset; 910 unsigned long userptr; 911 struct v4l2_plane *planes; 912 __s32 fd; 913 } m; 914 __u32 length; 915 __u32 reserved2; 916 __u32 reserved; 917 }; 918 919 /* Flags for 'flags' field */ 920 /* Buffer is mapped (flag) */ 921 #define V4L2_BUF_FLAG_MAPPED 0x00000001 922 /* Buffer is queued for processing */ 923 #define V4L2_BUF_FLAG_QUEUED 0x00000002 924 /* Buffer is ready */ 925 #define V4L2_BUF_FLAG_DONE 0x00000004 926 /* Image is a keyframe (I-frame) */ 927 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008 928 /* Image is a P-frame */ 929 #define V4L2_BUF_FLAG_PFRAME 0x00000010 930 /* Image is a B-frame */ 931 #define V4L2_BUF_FLAG_BFRAME 0x00000020 932 /* Buffer is ready, but the data contained within is corrupted. */ 933 #define V4L2_BUF_FLAG_ERROR 0x00000040 934 /* timecode field is valid */ 935 #define V4L2_BUF_FLAG_TIMECODE 0x00000100 936 /* Buffer is prepared for queuing */ 937 #define V4L2_BUF_FLAG_PREPARED 0x00000400 938 /* Cache handling flags */ 939 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800 940 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000 941 /* Timestamp type */ 942 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000 943 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000 944 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000 945 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000 946 /* Timestamp sources. */ 947 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000 948 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000 949 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000 950 /* mem2mem encoder/decoder */ 951 #define V4L2_BUF_FLAG_LAST 0x00100000 952 953 /** 954 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor 955 * 956 * @index: id number of the buffer 957 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for 958 * multiplanar buffers); 959 * @plane: index of the plane to be exported, 0 for single plane queues 960 * @flags: flags for newly created file, currently only O_CLOEXEC is 961 * supported, refer to manual of open syscall for more details 962 * @fd: file descriptor associated with DMABUF (set by driver) 963 * 964 * Contains data used for exporting a video buffer as DMABUF file descriptor. 965 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF 966 * (identical to the cookie used to mmap() the buffer to userspace). All 967 * reserved fields must be set to zero. The field reserved0 is expected to 968 * become a structure 'type' allowing an alternative layout of the structure 969 * content. Therefore this field should not be used for any other extensions. 970 */ 971 struct v4l2_exportbuffer { 972 __u32 type; /* enum v4l2_buf_type */ 973 __u32 index; 974 __u32 plane; 975 __u32 flags; 976 __s32 fd; 977 __u32 reserved[11]; 978 }; 979 980 /* 981 * O V E R L A Y P R E V I E W 982 */ 983 struct v4l2_framebuffer { 984 __u32 capability; 985 __u32 flags; 986 /* FIXME: in theory we should pass something like PCI device + memory 987 * region + offset instead of some physical address */ 988 void *base; 989 struct { 990 __u32 width; 991 __u32 height; 992 __u32 pixelformat; 993 __u32 field; /* enum v4l2_field */ 994 __u32 bytesperline; /* for padding, zero if unused */ 995 __u32 sizeimage; 996 __u32 colorspace; /* enum v4l2_colorspace */ 997 __u32 priv; /* reserved field, set to 0 */ 998 } fmt; 999 }; 1000 /* Flags for the 'capability' field. Read only */ 1001 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001 1002 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002 1003 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004 1004 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008 1005 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010 1006 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020 1007 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040 1008 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080 1009 /* Flags for the 'flags' field. */ 1010 #define V4L2_FBUF_FLAG_PRIMARY 0x0001 1011 #define V4L2_FBUF_FLAG_OVERLAY 0x0002 1012 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004 1013 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008 1014 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010 1015 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020 1016 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040 1017 1018 struct v4l2_clip { 1019 struct v4l2_rect c; 1020 struct v4l2_clip __user *next; 1021 }; 1022 1023 struct v4l2_window { 1024 struct v4l2_rect w; 1025 __u32 field; /* enum v4l2_field */ 1026 __u32 chromakey; 1027 struct v4l2_clip __user *clips; 1028 __u32 clipcount; 1029 void __user *bitmap; 1030 __u8 global_alpha; 1031 }; 1032 1033 /* 1034 * C A P T U R E P A R A M E T E R S 1035 */ 1036 struct v4l2_captureparm { 1037 __u32 capability; /* Supported modes */ 1038 __u32 capturemode; /* Current mode */ 1039 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1040 __u32 extendedmode; /* Driver-specific extensions */ 1041 __u32 readbuffers; /* # of buffers for read */ 1042 __u32 reserved[4]; 1043 }; 1044 1045 /* Flags for 'capability' and 'capturemode' fields */ 1046 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */ 1047 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */ 1048 1049 struct v4l2_outputparm { 1050 __u32 capability; /* Supported modes */ 1051 __u32 outputmode; /* Current mode */ 1052 struct v4l2_fract timeperframe; /* Time per frame in seconds */ 1053 __u32 extendedmode; /* Driver-specific extensions */ 1054 __u32 writebuffers; /* # of buffers for write */ 1055 __u32 reserved[4]; 1056 }; 1057 1058 /* 1059 * I N P U T I M A G E C R O P P I N G 1060 */ 1061 struct v4l2_cropcap { 1062 __u32 type; /* enum v4l2_buf_type */ 1063 struct v4l2_rect bounds; 1064 struct v4l2_rect defrect; 1065 struct v4l2_fract pixelaspect; 1066 }; 1067 1068 struct v4l2_crop { 1069 __u32 type; /* enum v4l2_buf_type */ 1070 struct v4l2_rect c; 1071 }; 1072 1073 /** 1074 * struct v4l2_selection - selection info 1075 * @type: buffer type (do not use *_MPLANE types) 1076 * @target: Selection target, used to choose one of possible rectangles; 1077 * defined in v4l2-common.h; V4L2_SEL_TGT_* . 1078 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. 1079 * @r: coordinates of selection window 1080 * @reserved: for future use, rounds structure size to 64 bytes, set to zero 1081 * 1082 * Hardware may use multiple helper windows to process a video stream. 1083 * The structure is used to exchange this selection areas between 1084 * an application and a driver. 1085 */ 1086 struct v4l2_selection { 1087 __u32 type; 1088 __u32 target; 1089 __u32 flags; 1090 struct v4l2_rect r; 1091 __u32 reserved[9]; 1092 }; 1093 1094 1095 /* 1096 * A N A L O G V I D E O S T A N D A R D 1097 */ 1098 1099 typedef __u64 v4l2_std_id; 1100 1101 /* one bit for each */ 1102 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001) 1103 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002) 1104 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004) 1105 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008) 1106 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010) 1107 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020) 1108 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040) 1109 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080) 1110 1111 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100) 1112 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200) 1113 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400) 1114 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800) 1115 1116 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */ 1117 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */ 1118 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000) 1119 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */ 1120 1121 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000) 1122 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000) 1123 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000) 1124 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000) 1125 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000) 1126 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000) 1127 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000) 1128 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000) 1129 1130 /* ATSC/HDTV */ 1131 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000) 1132 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000) 1133 1134 /* FIXME: 1135 Although std_id is 64 bits, there is an issue on PPC32 architecture that 1136 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding 1137 this value to 32 bits. 1138 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide), 1139 it should work fine. However, if needed to add more than two standards, 1140 v4l2-common.c should be fixed. 1141 */ 1142 1143 /* 1144 * Some macros to merge video standards in order to make live easier for the 1145 * drivers and V4L2 applications 1146 */ 1147 1148 /* 1149 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is 1150 * Missing here. 1151 */ 1152 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\ 1153 V4L2_STD_NTSC_M_JP |\ 1154 V4L2_STD_NTSC_M_KR) 1155 /* Secam macros */ 1156 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\ 1157 V4L2_STD_SECAM_K |\ 1158 V4L2_STD_SECAM_K1) 1159 /* All Secam Standards */ 1160 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\ 1161 V4L2_STD_SECAM_G |\ 1162 V4L2_STD_SECAM_H |\ 1163 V4L2_STD_SECAM_DK |\ 1164 V4L2_STD_SECAM_L |\ 1165 V4L2_STD_SECAM_LC) 1166 /* PAL macros */ 1167 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\ 1168 V4L2_STD_PAL_B1 |\ 1169 V4L2_STD_PAL_G) 1170 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\ 1171 V4L2_STD_PAL_D1 |\ 1172 V4L2_STD_PAL_K) 1173 /* 1174 * "Common" PAL - This macro is there to be compatible with the old 1175 * V4L1 concept of "PAL": /BGDKHI. 1176 * Several PAL standards are missing here: /M, /N and /Nc 1177 */ 1178 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\ 1179 V4L2_STD_PAL_DK |\ 1180 V4L2_STD_PAL_H |\ 1181 V4L2_STD_PAL_I) 1182 /* Chroma "agnostic" standards */ 1183 #define V4L2_STD_B (V4L2_STD_PAL_B |\ 1184 V4L2_STD_PAL_B1 |\ 1185 V4L2_STD_SECAM_B) 1186 #define V4L2_STD_G (V4L2_STD_PAL_G |\ 1187 V4L2_STD_SECAM_G) 1188 #define V4L2_STD_H (V4L2_STD_PAL_H |\ 1189 V4L2_STD_SECAM_H) 1190 #define V4L2_STD_L (V4L2_STD_SECAM_L |\ 1191 V4L2_STD_SECAM_LC) 1192 #define V4L2_STD_GH (V4L2_STD_G |\ 1193 V4L2_STD_H) 1194 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\ 1195 V4L2_STD_SECAM_DK) 1196 #define V4L2_STD_BG (V4L2_STD_B |\ 1197 V4L2_STD_G) 1198 #define V4L2_STD_MN (V4L2_STD_PAL_M |\ 1199 V4L2_STD_PAL_N |\ 1200 V4L2_STD_PAL_Nc |\ 1201 V4L2_STD_NTSC) 1202 1203 /* Standards where MTS/BTSC stereo could be found */ 1204 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\ 1205 V4L2_STD_PAL_M |\ 1206 V4L2_STD_PAL_N |\ 1207 V4L2_STD_PAL_Nc) 1208 1209 /* Standards for Countries with 60Hz Line frequency */ 1210 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\ 1211 V4L2_STD_PAL_60 |\ 1212 V4L2_STD_NTSC |\ 1213 V4L2_STD_NTSC_443) 1214 /* Standards for Countries with 50Hz Line frequency */ 1215 #define V4L2_STD_625_50 (V4L2_STD_PAL |\ 1216 V4L2_STD_PAL_N |\ 1217 V4L2_STD_PAL_Nc |\ 1218 V4L2_STD_SECAM) 1219 1220 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\ 1221 V4L2_STD_ATSC_16_VSB) 1222 /* Macros with none and all analog standards */ 1223 #define V4L2_STD_UNKNOWN 0 1224 #define V4L2_STD_ALL (V4L2_STD_525_60 |\ 1225 V4L2_STD_625_50) 1226 1227 struct v4l2_standard { 1228 __u32 index; 1229 v4l2_std_id id; 1230 __u8 name[24]; 1231 struct v4l2_fract frameperiod; /* Frames, not fields */ 1232 __u32 framelines; 1233 __u32 reserved[4]; 1234 }; 1235 1236 /* 1237 * D V B T T I M I N G S 1238 */ 1239 1240 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data 1241 * @width: total width of the active video in pixels 1242 * @height: total height of the active video in lines 1243 * @interlaced: Interlaced or progressive 1244 * @polarities: Positive or negative polarities 1245 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1246 * @hfrontporch:Horizontal front porch in pixels 1247 * @hsync: Horizontal Sync length in pixels 1248 * @hbackporch: Horizontal back porch in pixels 1249 * @vfrontporch:Vertical front porch in lines 1250 * @vsync: Vertical Sync length in lines 1251 * @vbackporch: Vertical back porch in lines 1252 * @il_vfrontporch:Vertical front porch for the even field 1253 * (aka field 2) of interlaced field formats 1254 * @il_vsync: Vertical Sync length for the even field 1255 * (aka field 2) of interlaced field formats 1256 * @il_vbackporch:Vertical back porch for the even field 1257 * (aka field 2) of interlaced field formats 1258 * @standards: Standards the timing belongs to 1259 * @flags: Flags 1260 * @picture_aspect: The picture aspect ratio (hor/vert). 1261 * @cea861_vic: VIC code as per the CEA-861 standard. 1262 * @hdmi_vic: VIC code as per the HDMI standard. 1263 * @reserved: Reserved fields, must be zeroed. 1264 * 1265 * A note regarding vertical interlaced timings: height refers to the total 1266 * height of the active video frame (= two fields). The blanking timings refer 1267 * to the blanking of each field. So the height of the total frame is 1268 * calculated as follows: 1269 * 1270 * tot_height = height + vfrontporch + vsync + vbackporch + 1271 * il_vfrontporch + il_vsync + il_vbackporch 1272 * 1273 * The active height of each field is height / 2. 1274 */ 1275 struct v4l2_bt_timings { 1276 __u32 width; 1277 __u32 height; 1278 __u32 interlaced; 1279 __u32 polarities; 1280 __u64 pixelclock; 1281 __u32 hfrontporch; 1282 __u32 hsync; 1283 __u32 hbackporch; 1284 __u32 vfrontporch; 1285 __u32 vsync; 1286 __u32 vbackporch; 1287 __u32 il_vfrontporch; 1288 __u32 il_vsync; 1289 __u32 il_vbackporch; 1290 __u32 standards; 1291 __u32 flags; 1292 struct v4l2_fract picture_aspect; 1293 __u8 cea861_vic; 1294 __u8 hdmi_vic; 1295 __u8 reserved[46]; 1296 } __attribute__ ((packed)); 1297 1298 /* Interlaced or progressive format */ 1299 #define V4L2_DV_PROGRESSIVE 0 1300 #define V4L2_DV_INTERLACED 1 1301 1302 /* Polarities. If bit is not set, it is assumed to be negative polarity */ 1303 #define V4L2_DV_VSYNC_POS_POL 0x00000001 1304 #define V4L2_DV_HSYNC_POS_POL 0x00000002 1305 1306 /* Timings standards */ 1307 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */ 1308 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */ 1309 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */ 1310 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */ 1311 #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */ 1312 1313 /* Flags */ 1314 1315 /* 1316 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary 1317 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking 1318 * intervals are reduced, allowing a higher resolution over the same 1319 * bandwidth. This is a read-only flag. 1320 */ 1321 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0) 1322 /* 1323 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple 1324 * of six. These formats can be optionally played at 1 / 1.001 speed. 1325 * This is a read-only flag. 1326 */ 1327 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1) 1328 /* 1329 * CEA-861 specific: only valid for video transmitters, the flag is cleared 1330 * by receivers. 1331 * If the framerate of the format is a multiple of six, then the pixelclock 1332 * used to set up the transmitter is divided by 1.001 to make it compatible 1333 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of 1334 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate 1335 * such frequencies, then the flag will also be cleared. 1336 */ 1337 #define V4L2_DV_FL_REDUCED_FPS (1 << 2) 1338 /* 1339 * Specific to interlaced formats: if set, then field 1 is really one half-line 1340 * longer and field 2 is really one half-line shorter, so each field has 1341 * exactly the same number of half-lines. Whether half-lines can be detected 1342 * or used depends on the hardware. 1343 */ 1344 #define V4L2_DV_FL_HALF_LINE (1 << 3) 1345 /* 1346 * If set, then this is a Consumer Electronics (CE) video format. Such formats 1347 * differ from other formats (commonly called IT formats) in that if RGB 1348 * encoding is used then by default the RGB values use limited range (i.e. 1349 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861 1350 * except for the 640x480 format are CE formats. 1351 */ 1352 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4) 1353 /* Some formats like SMPTE-125M have an interlaced signal with a odd 1354 * total height. For these formats, if this flag is set, the first 1355 * field has the extra line. If not, it is the second field. 1356 */ 1357 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5) 1358 /* 1359 * If set, then the picture_aspect field is valid. Otherwise assume that the 1360 * pixels are square, so the picture aspect ratio is the same as the width to 1361 * height ratio. 1362 */ 1363 #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6) 1364 /* 1365 * If set, then the cea861_vic field is valid and contains the Video 1366 * Identification Code as per the CEA-861 standard. 1367 */ 1368 #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7) 1369 /* 1370 * If set, then the hdmi_vic field is valid and contains the Video 1371 * Identification Code as per the HDMI standard (HDMI Vendor Specific 1372 * InfoFrame). 1373 */ 1374 #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8) 1375 1376 /* A few useful defines to calculate the total blanking and frame sizes */ 1377 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \ 1378 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch) 1379 #define V4L2_DV_BT_FRAME_WIDTH(bt) \ 1380 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt)) 1381 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \ 1382 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \ 1383 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) 1384 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \ 1385 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt)) 1386 1387 /** struct v4l2_dv_timings - DV timings 1388 * @type: the type of the timings 1389 * @bt: BT656/1120 timings 1390 */ 1391 struct v4l2_dv_timings { 1392 __u32 type; 1393 union { 1394 struct v4l2_bt_timings bt; 1395 __u32 reserved[32]; 1396 }; 1397 } __attribute__ ((packed)); 1398 1399 /* Values for the type field */ 1400 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ 1401 1402 1403 /** struct v4l2_enum_dv_timings - DV timings enumeration 1404 * @index: enumeration index 1405 * @pad: the pad number for which to enumerate timings (used with 1406 * v4l-subdev nodes only) 1407 * @reserved: must be zeroed 1408 * @timings: the timings for the given index 1409 */ 1410 struct v4l2_enum_dv_timings { 1411 __u32 index; 1412 __u32 pad; 1413 __u32 reserved[2]; 1414 struct v4l2_dv_timings timings; 1415 }; 1416 1417 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities 1418 * @min_width: width in pixels 1419 * @max_width: width in pixels 1420 * @min_height: height in lines 1421 * @max_height: height in lines 1422 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1423 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000 1424 * @standards: Supported standards 1425 * @capabilities: Supported capabilities 1426 * @reserved: Must be zeroed 1427 */ 1428 struct v4l2_bt_timings_cap { 1429 __u32 min_width; 1430 __u32 max_width; 1431 __u32 min_height; 1432 __u32 max_height; 1433 __u64 min_pixelclock; 1434 __u64 max_pixelclock; 1435 __u32 standards; 1436 __u32 capabilities; 1437 __u32 reserved[16]; 1438 } __attribute__ ((packed)); 1439 1440 /* Supports interlaced formats */ 1441 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0) 1442 /* Supports progressive formats */ 1443 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1) 1444 /* Supports CVT/GTF reduced blanking */ 1445 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2) 1446 /* Supports custom formats */ 1447 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3) 1448 1449 /** struct v4l2_dv_timings_cap - DV timings capabilities 1450 * @type: the type of the timings (same as in struct v4l2_dv_timings) 1451 * @pad: the pad number for which to query capabilities (used with 1452 * v4l-subdev nodes only) 1453 * @bt: the BT656/1120 timings capabilities 1454 */ 1455 struct v4l2_dv_timings_cap { 1456 __u32 type; 1457 __u32 pad; 1458 __u32 reserved[2]; 1459 union { 1460 struct v4l2_bt_timings_cap bt; 1461 __u32 raw_data[32]; 1462 }; 1463 }; 1464 1465 1466 /* 1467 * V I D E O I N P U T S 1468 */ 1469 struct v4l2_input { 1470 __u32 index; /* Which input */ 1471 __u8 name[32]; /* Label */ 1472 __u32 type; /* Type of input */ 1473 __u32 audioset; /* Associated audios (bitfield) */ 1474 __u32 tuner; /* enum v4l2_tuner_type */ 1475 v4l2_std_id std; 1476 __u32 status; 1477 __u32 capabilities; 1478 __u32 reserved[3]; 1479 }; 1480 1481 /* Values for the 'type' field */ 1482 #define V4L2_INPUT_TYPE_TUNER 1 1483 #define V4L2_INPUT_TYPE_CAMERA 2 1484 #define V4L2_INPUT_TYPE_TOUCH 3 1485 1486 /* field 'status' - general */ 1487 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */ 1488 #define V4L2_IN_ST_NO_SIGNAL 0x00000002 1489 #define V4L2_IN_ST_NO_COLOR 0x00000004 1490 1491 /* field 'status' - sensor orientation */ 1492 /* If sensor is mounted upside down set both bits */ 1493 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */ 1494 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */ 1495 1496 /* field 'status' - analog */ 1497 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */ 1498 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */ 1499 #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */ 1500 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */ 1501 1502 /* field 'status' - digital */ 1503 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */ 1504 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */ 1505 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */ 1506 1507 /* field 'status' - VCR and set-top box */ 1508 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */ 1509 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ 1510 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ 1511 1512 /* capabilities flags */ 1513 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1514 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */ 1515 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ 1516 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1517 1518 /* 1519 * V I D E O O U T P U T S 1520 */ 1521 struct v4l2_output { 1522 __u32 index; /* Which output */ 1523 __u8 name[32]; /* Label */ 1524 __u32 type; /* Type of output */ 1525 __u32 audioset; /* Associated audios (bitfield) */ 1526 __u32 modulator; /* Associated modulator */ 1527 v4l2_std_id std; 1528 __u32 capabilities; 1529 __u32 reserved[3]; 1530 }; 1531 /* Values for the 'type' field */ 1532 #define V4L2_OUTPUT_TYPE_MODULATOR 1 1533 #define V4L2_OUTPUT_TYPE_ANALOG 2 1534 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 1535 1536 /* capabilities flags */ 1537 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ 1538 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */ 1539 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ 1540 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */ 1541 1542 /* 1543 * C O N T R O L S 1544 */ 1545 struct v4l2_control { 1546 __u32 id; 1547 __s32 value; 1548 }; 1549 1550 struct v4l2_ext_control { 1551 __u32 id; 1552 __u32 size; 1553 __u32 reserved2[1]; 1554 union { 1555 __s32 value; 1556 __s64 value64; 1557 char __user *string; 1558 __u8 __user *p_u8; 1559 __u16 __user *p_u16; 1560 __u32 __user *p_u32; 1561 void __user *ptr; 1562 }; 1563 } __attribute__ ((packed)); 1564 1565 struct v4l2_ext_controls { 1566 union { 1567 #ifndef __KERNEL__ 1568 __u32 ctrl_class; 1569 #endif 1570 __u32 which; 1571 }; 1572 __u32 count; 1573 __u32 error_idx; 1574 __u32 reserved[2]; 1575 struct v4l2_ext_control *controls; 1576 }; 1577 1578 #define V4L2_CTRL_ID_MASK (0x0fffffff) 1579 #ifndef __KERNEL__ 1580 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL) 1581 #endif 1582 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL) 1583 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000) 1584 #define V4L2_CTRL_MAX_DIMS (4) 1585 #define V4L2_CTRL_WHICH_CUR_VAL 0 1586 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000 1587 1588 enum v4l2_ctrl_type { 1589 V4L2_CTRL_TYPE_INTEGER = 1, 1590 V4L2_CTRL_TYPE_BOOLEAN = 2, 1591 V4L2_CTRL_TYPE_MENU = 3, 1592 V4L2_CTRL_TYPE_BUTTON = 4, 1593 V4L2_CTRL_TYPE_INTEGER64 = 5, 1594 V4L2_CTRL_TYPE_CTRL_CLASS = 6, 1595 V4L2_CTRL_TYPE_STRING = 7, 1596 V4L2_CTRL_TYPE_BITMASK = 8, 1597 V4L2_CTRL_TYPE_INTEGER_MENU = 9, 1598 1599 /* Compound types are >= 0x0100 */ 1600 V4L2_CTRL_COMPOUND_TYPES = 0x0100, 1601 V4L2_CTRL_TYPE_U8 = 0x0100, 1602 V4L2_CTRL_TYPE_U16 = 0x0101, 1603 V4L2_CTRL_TYPE_U32 = 0x0102, 1604 }; 1605 1606 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */ 1607 struct v4l2_queryctrl { 1608 __u32 id; 1609 __u32 type; /* enum v4l2_ctrl_type */ 1610 __u8 name[32]; /* Whatever */ 1611 __s32 minimum; /* Note signedness */ 1612 __s32 maximum; 1613 __s32 step; 1614 __s32 default_value; 1615 __u32 flags; 1616 __u32 reserved[2]; 1617 }; 1618 1619 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */ 1620 struct v4l2_query_ext_ctrl { 1621 __u32 id; 1622 __u32 type; 1623 char name[32]; 1624 __s64 minimum; 1625 __s64 maximum; 1626 __u64 step; 1627 __s64 default_value; 1628 __u32 flags; 1629 __u32 elem_size; 1630 __u32 elems; 1631 __u32 nr_of_dims; 1632 __u32 dims[V4L2_CTRL_MAX_DIMS]; 1633 __u32 reserved[32]; 1634 }; 1635 1636 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */ 1637 struct v4l2_querymenu { 1638 __u32 id; 1639 __u32 index; 1640 union { 1641 __u8 name[32]; /* Whatever */ 1642 __s64 value; 1643 }; 1644 __u32 reserved; 1645 } __attribute__ ((packed)); 1646 1647 /* Control flags */ 1648 #define V4L2_CTRL_FLAG_DISABLED 0x0001 1649 #define V4L2_CTRL_FLAG_GRABBED 0x0002 1650 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004 1651 #define V4L2_CTRL_FLAG_UPDATE 0x0008 1652 #define V4L2_CTRL_FLAG_INACTIVE 0x0010 1653 #define V4L2_CTRL_FLAG_SLIDER 0x0020 1654 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040 1655 #define V4L2_CTRL_FLAG_VOLATILE 0x0080 1656 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100 1657 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200 1658 1659 /* Query flags, to be ORed with the control ID */ 1660 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000 1661 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000 1662 1663 /* User-class control IDs defined by V4L2 */ 1664 #define V4L2_CID_MAX_CTRLS 1024 1665 /* IDs reserved for driver specific controls */ 1666 #define V4L2_CID_PRIVATE_BASE 0x08000000 1667 1668 1669 /* 1670 * T U N I N G 1671 */ 1672 struct v4l2_tuner { 1673 __u32 index; 1674 __u8 name[32]; 1675 __u32 type; /* enum v4l2_tuner_type */ 1676 __u32 capability; 1677 __u32 rangelow; 1678 __u32 rangehigh; 1679 __u32 rxsubchans; 1680 __u32 audmode; 1681 __s32 signal; 1682 __s32 afc; 1683 __u32 reserved[4]; 1684 }; 1685 1686 struct v4l2_modulator { 1687 __u32 index; 1688 __u8 name[32]; 1689 __u32 capability; 1690 __u32 rangelow; 1691 __u32 rangehigh; 1692 __u32 txsubchans; 1693 __u32 type; /* enum v4l2_tuner_type */ 1694 __u32 reserved[3]; 1695 }; 1696 1697 /* Flags for the 'capability' field */ 1698 #define V4L2_TUNER_CAP_LOW 0x0001 1699 #define V4L2_TUNER_CAP_NORM 0x0002 1700 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004 1701 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008 1702 #define V4L2_TUNER_CAP_STEREO 0x0010 1703 #define V4L2_TUNER_CAP_LANG2 0x0020 1704 #define V4L2_TUNER_CAP_SAP 0x0020 1705 #define V4L2_TUNER_CAP_LANG1 0x0040 1706 #define V4L2_TUNER_CAP_RDS 0x0080 1707 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100 1708 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200 1709 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400 1710 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800 1711 #define V4L2_TUNER_CAP_1HZ 0x1000 1712 1713 /* Flags for the 'rxsubchans' field */ 1714 #define V4L2_TUNER_SUB_MONO 0x0001 1715 #define V4L2_TUNER_SUB_STEREO 0x0002 1716 #define V4L2_TUNER_SUB_LANG2 0x0004 1717 #define V4L2_TUNER_SUB_SAP 0x0004 1718 #define V4L2_TUNER_SUB_LANG1 0x0008 1719 #define V4L2_TUNER_SUB_RDS 0x0010 1720 1721 /* Values for the 'audmode' field */ 1722 #define V4L2_TUNER_MODE_MONO 0x0000 1723 #define V4L2_TUNER_MODE_STEREO 0x0001 1724 #define V4L2_TUNER_MODE_LANG2 0x0002 1725 #define V4L2_TUNER_MODE_SAP 0x0002 1726 #define V4L2_TUNER_MODE_LANG1 0x0003 1727 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004 1728 1729 struct v4l2_frequency { 1730 __u32 tuner; 1731 __u32 type; /* enum v4l2_tuner_type */ 1732 __u32 frequency; 1733 __u32 reserved[8]; 1734 }; 1735 1736 #define V4L2_BAND_MODULATION_VSB (1 << 1) 1737 #define V4L2_BAND_MODULATION_FM (1 << 2) 1738 #define V4L2_BAND_MODULATION_AM (1 << 3) 1739 1740 struct v4l2_frequency_band { 1741 __u32 tuner; 1742 __u32 type; /* enum v4l2_tuner_type */ 1743 __u32 index; 1744 __u32 capability; 1745 __u32 rangelow; 1746 __u32 rangehigh; 1747 __u32 modulation; 1748 __u32 reserved[9]; 1749 }; 1750 1751 struct v4l2_hw_freq_seek { 1752 __u32 tuner; 1753 __u32 type; /* enum v4l2_tuner_type */ 1754 __u32 seek_upward; 1755 __u32 wrap_around; 1756 __u32 spacing; 1757 __u32 rangelow; 1758 __u32 rangehigh; 1759 __u32 reserved[5]; 1760 }; 1761 1762 /* 1763 * R D S 1764 */ 1765 1766 struct v4l2_rds_data { 1767 __u8 lsb; 1768 __u8 msb; 1769 __u8 block; 1770 } __attribute__ ((packed)); 1771 1772 #define V4L2_RDS_BLOCK_MSK 0x7 1773 #define V4L2_RDS_BLOCK_A 0 1774 #define V4L2_RDS_BLOCK_B 1 1775 #define V4L2_RDS_BLOCK_C 2 1776 #define V4L2_RDS_BLOCK_D 3 1777 #define V4L2_RDS_BLOCK_C_ALT 4 1778 #define V4L2_RDS_BLOCK_INVALID 7 1779 1780 #define V4L2_RDS_BLOCK_CORRECTED 0x40 1781 #define V4L2_RDS_BLOCK_ERROR 0x80 1782 1783 /* 1784 * A U D I O 1785 */ 1786 struct v4l2_audio { 1787 __u32 index; 1788 __u8 name[32]; 1789 __u32 capability; 1790 __u32 mode; 1791 __u32 reserved[2]; 1792 }; 1793 1794 /* Flags for the 'capability' field */ 1795 #define V4L2_AUDCAP_STEREO 0x00001 1796 #define V4L2_AUDCAP_AVL 0x00002 1797 1798 /* Flags for the 'mode' field */ 1799 #define V4L2_AUDMODE_AVL 0x00001 1800 1801 struct v4l2_audioout { 1802 __u32 index; 1803 __u8 name[32]; 1804 __u32 capability; 1805 __u32 mode; 1806 __u32 reserved[2]; 1807 }; 1808 1809 /* 1810 * M P E G S E R V I C E S 1811 */ 1812 #if 1 1813 #define V4L2_ENC_IDX_FRAME_I (0) 1814 #define V4L2_ENC_IDX_FRAME_P (1) 1815 #define V4L2_ENC_IDX_FRAME_B (2) 1816 #define V4L2_ENC_IDX_FRAME_MASK (0xf) 1817 1818 struct v4l2_enc_idx_entry { 1819 __u64 offset; 1820 __u64 pts; 1821 __u32 length; 1822 __u32 flags; 1823 __u32 reserved[2]; 1824 }; 1825 1826 #define V4L2_ENC_IDX_ENTRIES (64) 1827 struct v4l2_enc_idx { 1828 __u32 entries; 1829 __u32 entries_cap; 1830 __u32 reserved[4]; 1831 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; 1832 }; 1833 1834 1835 #define V4L2_ENC_CMD_START (0) 1836 #define V4L2_ENC_CMD_STOP (1) 1837 #define V4L2_ENC_CMD_PAUSE (2) 1838 #define V4L2_ENC_CMD_RESUME (3) 1839 1840 /* Flags for V4L2_ENC_CMD_STOP */ 1841 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) 1842 1843 struct v4l2_encoder_cmd { 1844 __u32 cmd; 1845 __u32 flags; 1846 union { 1847 struct { 1848 __u32 data[8]; 1849 } raw; 1850 }; 1851 }; 1852 1853 /* Decoder commands */ 1854 #define V4L2_DEC_CMD_START (0) 1855 #define V4L2_DEC_CMD_STOP (1) 1856 #define V4L2_DEC_CMD_PAUSE (2) 1857 #define V4L2_DEC_CMD_RESUME (3) 1858 1859 /* Flags for V4L2_DEC_CMD_START */ 1860 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0) 1861 1862 /* Flags for V4L2_DEC_CMD_PAUSE */ 1863 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0) 1864 1865 /* Flags for V4L2_DEC_CMD_STOP */ 1866 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0) 1867 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1) 1868 1869 /* Play format requirements (returned by the driver): */ 1870 1871 /* The decoder has no special format requirements */ 1872 #define V4L2_DEC_START_FMT_NONE (0) 1873 /* The decoder requires full GOPs */ 1874 #define V4L2_DEC_START_FMT_GOP (1) 1875 1876 /* The structure must be zeroed before use by the application 1877 This ensures it can be extended safely in the future. */ 1878 struct v4l2_decoder_cmd { 1879 __u32 cmd; 1880 __u32 flags; 1881 union { 1882 struct { 1883 __u64 pts; 1884 } stop; 1885 1886 struct { 1887 /* 0 or 1000 specifies normal speed, 1888 1 specifies forward single stepping, 1889 -1 specifies backward single stepping, 1890 >1: playback at speed/1000 of the normal speed, 1891 <-1: reverse playback at (-speed/1000) of the normal speed. */ 1892 __s32 speed; 1893 __u32 format; 1894 } start; 1895 1896 struct { 1897 __u32 data[16]; 1898 } raw; 1899 }; 1900 }; 1901 #endif 1902 1903 1904 /* 1905 * D A T A S E R V I C E S ( V B I ) 1906 * 1907 * Data services API by Michael Schimek 1908 */ 1909 1910 /* Raw VBI */ 1911 struct v4l2_vbi_format { 1912 __u32 sampling_rate; /* in 1 Hz */ 1913 __u32 offset; 1914 __u32 samples_per_line; 1915 __u32 sample_format; /* V4L2_PIX_FMT_* */ 1916 __s32 start[2]; 1917 __u32 count[2]; 1918 __u32 flags; /* V4L2_VBI_* */ 1919 __u32 reserved[2]; /* must be zero */ 1920 }; 1921 1922 /* VBI flags */ 1923 #define V4L2_VBI_UNSYNC (1 << 0) 1924 #define V4L2_VBI_INTERLACED (1 << 1) 1925 1926 /* ITU-R start lines for each field */ 1927 #define V4L2_VBI_ITU_525_F1_START (1) 1928 #define V4L2_VBI_ITU_525_F2_START (264) 1929 #define V4L2_VBI_ITU_625_F1_START (1) 1930 #define V4L2_VBI_ITU_625_F2_START (314) 1931 1932 /* Sliced VBI 1933 * 1934 * This implements is a proposal V4L2 API to allow SLICED VBI 1935 * required for some hardware encoders. It should change without 1936 * notice in the definitive implementation. 1937 */ 1938 1939 struct v4l2_sliced_vbi_format { 1940 __u16 service_set; 1941 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1942 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1943 (equals frame lines 313-336 for 625 line video 1944 standards, 263-286 for 525 line standards) */ 1945 __u16 service_lines[2][24]; 1946 __u32 io_size; 1947 __u32 reserved[2]; /* must be zero */ 1948 }; 1949 1950 /* Teletext World System Teletext 1951 (WST), defined on ITU-R BT.653-2 */ 1952 #define V4L2_SLICED_TELETEXT_B (0x0001) 1953 /* Video Program System, defined on ETS 300 231*/ 1954 #define V4L2_SLICED_VPS (0x0400) 1955 /* Closed Caption, defined on EIA-608 */ 1956 #define V4L2_SLICED_CAPTION_525 (0x1000) 1957 /* Wide Screen System, defined on ITU-R BT1119.1 */ 1958 #define V4L2_SLICED_WSS_625 (0x4000) 1959 1960 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525) 1961 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) 1962 1963 struct v4l2_sliced_vbi_cap { 1964 __u16 service_set; 1965 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field 1966 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field 1967 (equals frame lines 313-336 for 625 line video 1968 standards, 263-286 for 525 line standards) */ 1969 __u16 service_lines[2][24]; 1970 __u32 type; /* enum v4l2_buf_type */ 1971 __u32 reserved[3]; /* must be 0 */ 1972 }; 1973 1974 struct v4l2_sliced_vbi_data { 1975 __u32 id; 1976 __u32 field; /* 0: first field, 1: second field */ 1977 __u32 line; /* 1-23 */ 1978 __u32 reserved; /* must be 0 */ 1979 __u8 data[48]; 1980 }; 1981 1982 /* 1983 * Sliced VBI data inserted into MPEG Streams 1984 */ 1985 1986 /* 1987 * V4L2_MPEG_STREAM_VBI_FMT_IVTV: 1988 * 1989 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an 1990 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI 1991 * data 1992 * 1993 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header 1994 * definitions are not included here. See the MPEG-2 specifications for details 1995 * on these headers. 1996 */ 1997 1998 /* Line type IDs */ 1999 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1) 2000 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4) 2001 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5) 2002 #define V4L2_MPEG_VBI_IVTV_VPS (7) 2003 2004 struct v4l2_mpeg_vbi_itv0_line { 2005 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */ 2006 __u8 data[42]; /* Sliced VBI data for the line */ 2007 } __attribute__ ((packed)); 2008 2009 struct v4l2_mpeg_vbi_itv0 { 2010 __le32 linemask[2]; /* Bitmasks of VBI service lines present */ 2011 struct v4l2_mpeg_vbi_itv0_line line[35]; 2012 } __attribute__ ((packed)); 2013 2014 struct v4l2_mpeg_vbi_ITV0 { 2015 struct v4l2_mpeg_vbi_itv0_line line[36]; 2016 } __attribute__ ((packed)); 2017 2018 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0" 2019 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0" 2020 2021 struct v4l2_mpeg_vbi_fmt_ivtv { 2022 __u8 magic[4]; 2023 union { 2024 struct v4l2_mpeg_vbi_itv0 itv0; 2025 struct v4l2_mpeg_vbi_ITV0 ITV0; 2026 }; 2027 } __attribute__ ((packed)); 2028 2029 /* 2030 * A G G R E G A T E S T R U C T U R E S 2031 */ 2032 2033 /** 2034 * struct v4l2_plane_pix_format - additional, per-plane format definition 2035 * @sizeimage: maximum size in bytes required for data, for which 2036 * this plane will be used 2037 * @bytesperline: distance in bytes between the leftmost pixels in two 2038 * adjacent lines 2039 */ 2040 struct v4l2_plane_pix_format { 2041 __u32 sizeimage; 2042 __u32 bytesperline; 2043 __u16 reserved[6]; 2044 } __attribute__ ((packed)); 2045 2046 /** 2047 * struct v4l2_pix_format_mplane - multiplanar format definition 2048 * @width: image width in pixels 2049 * @height: image height in pixels 2050 * @pixelformat: little endian four character code (fourcc) 2051 * @field: enum v4l2_field; field order (for interlaced video) 2052 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat 2053 * @plane_fmt: per-plane information 2054 * @num_planes: number of planes for this format 2055 * @flags: format flags (V4L2_PIX_FMT_FLAG_*) 2056 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding 2057 * @quantization: enum v4l2_quantization, colorspace quantization 2058 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function 2059 */ 2060 struct v4l2_pix_format_mplane { 2061 __u32 width; 2062 __u32 height; 2063 __u32 pixelformat; 2064 __u32 field; 2065 __u32 colorspace; 2066 2067 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES]; 2068 __u8 num_planes; 2069 __u8 flags; 2070 union { 2071 __u8 ycbcr_enc; 2072 __u8 hsv_enc; 2073 }; 2074 __u8 quantization; 2075 __u8 xfer_func; 2076 __u8 reserved[7]; 2077 } __attribute__ ((packed)); 2078 2079 /** 2080 * struct v4l2_sdr_format - SDR format definition 2081 * @pixelformat: little endian four character code (fourcc) 2082 * @buffersize: maximum size in bytes required for data 2083 */ 2084 struct v4l2_sdr_format { 2085 __u32 pixelformat; 2086 __u32 buffersize; 2087 __u8 reserved[24]; 2088 } __attribute__ ((packed)); 2089 2090 /** 2091 * struct v4l2_format - stream data format 2092 * @type: enum v4l2_buf_type; type of the data stream 2093 * @pix: definition of an image format 2094 * @pix_mp: definition of a multiplanar image format 2095 * @win: definition of an overlaid image 2096 * @vbi: raw VBI capture or output parameters 2097 * @sliced: sliced VBI capture or output parameters 2098 * @raw_data: placeholder for future extensions and custom formats 2099 */ 2100 struct v4l2_format { 2101 __u32 type; 2102 union { 2103 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */ 2104 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */ 2105 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */ 2106 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */ 2107 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */ 2108 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */ 2109 __u8 raw_data[200]; /* user-defined */ 2110 } fmt; 2111 }; 2112 2113 /* Stream type-dependent parameters 2114 */ 2115 struct v4l2_streamparm { 2116 __u32 type; /* enum v4l2_buf_type */ 2117 union { 2118 struct v4l2_captureparm capture; 2119 struct v4l2_outputparm output; 2120 __u8 raw_data[200]; /* user-defined */ 2121 } parm; 2122 }; 2123 2124 /* 2125 * E V E N T S 2126 */ 2127 2128 #define V4L2_EVENT_ALL 0 2129 #define V4L2_EVENT_VSYNC 1 2130 #define V4L2_EVENT_EOS 2 2131 #define V4L2_EVENT_CTRL 3 2132 #define V4L2_EVENT_FRAME_SYNC 4 2133 #define V4L2_EVENT_SOURCE_CHANGE 5 2134 #define V4L2_EVENT_MOTION_DET 6 2135 #define V4L2_EVENT_PRIVATE_START 0x08000000 2136 2137 /* Payload for V4L2_EVENT_VSYNC */ 2138 struct v4l2_event_vsync { 2139 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */ 2140 __u8 field; 2141 } __attribute__ ((packed)); 2142 2143 /* Payload for V4L2_EVENT_CTRL */ 2144 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0) 2145 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1) 2146 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2) 2147 2148 struct v4l2_event_ctrl { 2149 __u32 changes; 2150 __u32 type; 2151 union { 2152 __s32 value; 2153 __s64 value64; 2154 }; 2155 __u32 flags; 2156 __s32 minimum; 2157 __s32 maximum; 2158 __s32 step; 2159 __s32 default_value; 2160 }; 2161 2162 struct v4l2_event_frame_sync { 2163 __u32 frame_sequence; 2164 }; 2165 2166 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0) 2167 2168 struct v4l2_event_src_change { 2169 __u32 changes; 2170 }; 2171 2172 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0) 2173 2174 /** 2175 * struct v4l2_event_motion_det - motion detection event 2176 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the 2177 * frame_sequence field is valid. 2178 * @frame_sequence: the frame sequence number associated with this event. 2179 * @region_mask: which regions detected motion. 2180 */ 2181 struct v4l2_event_motion_det { 2182 __u32 flags; 2183 __u32 frame_sequence; 2184 __u32 region_mask; 2185 }; 2186 2187 struct v4l2_event { 2188 __u32 type; 2189 union { 2190 struct v4l2_event_vsync vsync; 2191 struct v4l2_event_ctrl ctrl; 2192 struct v4l2_event_frame_sync frame_sync; 2193 struct v4l2_event_src_change src_change; 2194 struct v4l2_event_motion_det motion_det; 2195 __u8 data[64]; 2196 } u; 2197 __u32 pending; 2198 __u32 sequence; 2199 struct timespec timestamp; 2200 __u32 id; 2201 __u32 reserved[8]; 2202 }; 2203 2204 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0) 2205 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1) 2206 2207 struct v4l2_event_subscription { 2208 __u32 type; 2209 __u32 id; 2210 __u32 flags; 2211 __u32 reserved[5]; 2212 }; 2213 2214 /* 2215 * A D V A N C E D D E B U G G I N G 2216 * 2217 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS! 2218 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY! 2219 */ 2220 2221 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */ 2222 2223 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */ 2224 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */ 2225 2226 /* The following four defines are no longer in use */ 2227 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE 2228 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */ 2229 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */ 2230 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */ 2231 2232 struct v4l2_dbg_match { 2233 __u32 type; /* Match type */ 2234 union { /* Match this chip, meaning determined by type */ 2235 __u32 addr; 2236 char name[32]; 2237 }; 2238 } __attribute__ ((packed)); 2239 2240 struct v4l2_dbg_register { 2241 struct v4l2_dbg_match match; 2242 __u32 size; /* register size in bytes */ 2243 __u64 reg; 2244 __u64 val; 2245 } __attribute__ ((packed)); 2246 2247 #define V4L2_CHIP_FL_READABLE (1 << 0) 2248 #define V4L2_CHIP_FL_WRITABLE (1 << 1) 2249 2250 /* VIDIOC_DBG_G_CHIP_INFO */ 2251 struct v4l2_dbg_chip_info { 2252 struct v4l2_dbg_match match; 2253 char name[32]; 2254 __u32 flags; 2255 __u32 reserved[32]; 2256 } __attribute__ ((packed)); 2257 2258 /** 2259 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument 2260 * @index: on return, index of the first created buffer 2261 * @count: entry: number of requested buffers, 2262 * return: number of created buffers 2263 * @memory: enum v4l2_memory; buffer memory type 2264 * @format: frame format, for which buffers are requested 2265 * @reserved: future extensions 2266 */ 2267 struct v4l2_create_buffers { 2268 __u32 index; 2269 __u32 count; 2270 __u32 memory; 2271 struct v4l2_format format; 2272 __u32 reserved[8]; 2273 }; 2274 2275 /* 2276 * 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 2277 * 2278 */ 2279 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability) 2280 #define VIDIOC_RESERVED _IO('V', 1) 2281 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc) 2282 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format) 2283 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format) 2284 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers) 2285 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) 2286 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer) 2287 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer) 2288 #define VIDIOC_OVERLAY _IOW('V', 14, int) 2289 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer) 2290 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer) 2291 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer) 2292 #define VIDIOC_STREAMON _IOW('V', 18, int) 2293 #define VIDIOC_STREAMOFF _IOW('V', 19, int) 2294 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm) 2295 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm) 2296 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id) 2297 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id) 2298 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard) 2299 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input) 2300 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control) 2301 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control) 2302 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner) 2303 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner) 2304 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio) 2305 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio) 2306 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl) 2307 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu) 2308 #define VIDIOC_G_INPUT _IOR('V', 38, int) 2309 #define VIDIOC_S_INPUT _IOWR('V', 39, int) 2310 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid) 2311 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid) 2312 #define VIDIOC_G_OUTPUT _IOR('V', 46, int) 2313 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int) 2314 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output) 2315 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout) 2316 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout) 2317 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator) 2318 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator) 2319 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency) 2320 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency) 2321 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap) 2322 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop) 2323 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop) 2324 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression) 2325 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression) 2326 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id) 2327 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format) 2328 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio) 2329 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout) 2330 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */ 2331 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */ 2332 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap) 2333 #define VIDIOC_LOG_STATUS _IO('V', 70) 2334 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls) 2335 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls) 2336 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls) 2337 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum) 2338 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum) 2339 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx) 2340 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd) 2341 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd) 2342 2343 /* 2344 * Experimental, meant for debugging, testing and internal use. 2345 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined. 2346 * You must be root to use these ioctls. Never use these in applications! 2347 */ 2348 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register) 2349 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register) 2350 2351 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) 2352 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) 2353 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) 2354 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event) 2355 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription) 2356 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription) 2357 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers) 2358 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer) 2359 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection) 2360 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection) 2361 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd) 2362 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd) 2363 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings) 2364 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings) 2365 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap) 2366 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band) 2367 2368 /* 2369 * Experimental, meant for debugging, testing and internal use. 2370 * Never use this in applications! 2371 */ 2372 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info) 2373 2374 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl) 2375 2376 /* Reminder: when adding new ioctls please add support for them to 2377 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */ 2378 2379 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */ 2380 2381 #endif /* _UAPI__LINUX_VIDEODEV2_H */ 2382