1 /* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */
2 /*
3 * Video for Linux Two header file
4 *
5 * Copyright (C) 1999-2012 the contributors
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * Alternatively you can redistribute this file under the terms of the
18 * BSD license as stated below:
19 *
20 * Redistribution and use in source and binary forms, with or without
21 * modification, are permitted provided that the following conditions
22 * are met:
23 * 1. Redistributions of source code must retain the above copyright
24 * notice, this list of conditions and the following disclaimer.
25 * 2. Redistributions in binary form must reproduce the above copyright
26 * notice, this list of conditions and the following disclaimer in
27 * the documentation and/or other materials provided with the
28 * distribution.
29 * 3. The names of its contributors may not be used to endorse or promote
30 * products derived from this software without specific prior written
31 * permission.
32 *
33 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
34 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
35 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
36 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
37 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
38 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
39 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
40 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
41 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
42 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
43 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
44 *
45 * Header file for v4l or V4L2 drivers and applications
46 * with public API.
47 * All kernel-specific stuff were moved to media/v4l2-dev.h, so
48 * no #if __KERNEL tests are allowed here
49 *
50 * See https://linuxtv.org for more info
51 *
52 * Author: Bill Dirks <bill@thedirks.org>
53 * Justin Schoeman
54 * Hans Verkuil <hverkuil@xs4all.nl>
55 * et al.
56 */
57 #ifndef _UAPI__LINUX_VIDEODEV2_H
58 #define _UAPI__LINUX_VIDEODEV2_H
59
60 #ifndef __KERNEL__
61 #include <sys/time.h>
62 #endif
63 #include <linux/compiler.h>
64 #include <linux/ioctl.h>
65 #include <linux/types.h>
66 #include <linux/v4l2-common.h>
67 #include <linux/v4l2-controls.h>
68
69 /*
70 * Common stuff for both V4L1 and V4L2
71 * Moved from videodev.h
72 */
73 #define VIDEO_MAX_FRAME 32
74 #define VIDEO_MAX_PLANES 8
75
76 /*
77 * M I S C E L L A N E O U S
78 */
79
80 /* Four-character-code (FOURCC) */
81 #define v4l2_fourcc(a, b, c, d)\
82 ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24))
83 #define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1U << 31))
84
85 /*
86 * E N U M S
87 */
88 enum v4l2_field {
89 V4L2_FIELD_ANY = 0, /* driver can choose from none,
90 top, bottom, interlaced
91 depending on whatever it thinks
92 is approximate ... */
93 V4L2_FIELD_NONE = 1, /* this device has no fields ... */
94 V4L2_FIELD_TOP = 2, /* top field only */
95 V4L2_FIELD_BOTTOM = 3, /* bottom field only */
96 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */
97 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one
98 buffer, top-bottom order */
99 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */
100 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into
101 separate buffers */
102 V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field
103 first and the top field is
104 transmitted first */
105 V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field
106 first and the bottom field is
107 transmitted first */
108 };
109 #define V4L2_FIELD_HAS_TOP(field) \
110 ((field) == V4L2_FIELD_TOP ||\
111 (field) == V4L2_FIELD_INTERLACED ||\
112 (field) == V4L2_FIELD_INTERLACED_TB ||\
113 (field) == V4L2_FIELD_INTERLACED_BT ||\
114 (field) == V4L2_FIELD_SEQ_TB ||\
115 (field) == V4L2_FIELD_SEQ_BT)
116 #define V4L2_FIELD_HAS_BOTTOM(field) \
117 ((field) == V4L2_FIELD_BOTTOM ||\
118 (field) == V4L2_FIELD_INTERLACED ||\
119 (field) == V4L2_FIELD_INTERLACED_TB ||\
120 (field) == V4L2_FIELD_INTERLACED_BT ||\
121 (field) == V4L2_FIELD_SEQ_TB ||\
122 (field) == V4L2_FIELD_SEQ_BT)
123 #define V4L2_FIELD_HAS_BOTH(field) \
124 ((field) == V4L2_FIELD_INTERLACED ||\
125 (field) == V4L2_FIELD_INTERLACED_TB ||\
126 (field) == V4L2_FIELD_INTERLACED_BT ||\
127 (field) == V4L2_FIELD_SEQ_TB ||\
128 (field) == V4L2_FIELD_SEQ_BT)
129 #define V4L2_FIELD_HAS_T_OR_B(field) \
130 ((field) == V4L2_FIELD_BOTTOM ||\
131 (field) == V4L2_FIELD_TOP ||\
132 (field) == V4L2_FIELD_ALTERNATE)
133 #define V4L2_FIELD_IS_INTERLACED(field) \
134 ((field) == V4L2_FIELD_INTERLACED ||\
135 (field) == V4L2_FIELD_INTERLACED_TB ||\
136 (field) == V4L2_FIELD_INTERLACED_BT)
137 #define V4L2_FIELD_IS_SEQUENTIAL(field) \
138 ((field) == V4L2_FIELD_SEQ_TB ||\
139 (field) == V4L2_FIELD_SEQ_BT)
140
141 enum v4l2_buf_type {
142 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1,
143 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2,
144 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3,
145 V4L2_BUF_TYPE_VBI_CAPTURE = 4,
146 V4L2_BUF_TYPE_VBI_OUTPUT = 5,
147 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6,
148 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7,
149 V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
150 V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9,
151 V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10,
152 V4L2_BUF_TYPE_SDR_CAPTURE = 11,
153 V4L2_BUF_TYPE_SDR_OUTPUT = 12,
154 V4L2_BUF_TYPE_META_CAPTURE = 13,
155 V4L2_BUF_TYPE_META_OUTPUT = 14,
156 /* Deprecated, do not use */
157 V4L2_BUF_TYPE_PRIVATE = 0x80,
158 };
159
160 #define V4L2_TYPE_IS_MULTIPLANAR(type) \
161 ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \
162 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
163
164 #define V4L2_TYPE_IS_OUTPUT(type) \
165 ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \
166 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \
167 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \
168 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \
169 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT \
170 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \
171 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT \
172 || (type) == V4L2_BUF_TYPE_META_OUTPUT)
173
174 #define V4L2_TYPE_IS_CAPTURE(type) (!V4L2_TYPE_IS_OUTPUT(type))
175
176 enum v4l2_tuner_type {
177 V4L2_TUNER_RADIO = 1,
178 V4L2_TUNER_ANALOG_TV = 2,
179 V4L2_TUNER_DIGITAL_TV = 3,
180 V4L2_TUNER_SDR = 4,
181 V4L2_TUNER_RF = 5,
182 };
183
184 /* Deprecated, do not use */
185 #define V4L2_TUNER_ADC V4L2_TUNER_SDR
186
187 enum v4l2_memory {
188 V4L2_MEMORY_MMAP = 1,
189 V4L2_MEMORY_USERPTR = 2,
190 V4L2_MEMORY_OVERLAY = 3,
191 V4L2_MEMORY_DMABUF = 4,
192 };
193
194 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
195 enum v4l2_colorspace {
196 /*
197 * Default colorspace, i.e. let the driver figure it out.
198 * Can only be used with video capture.
199 */
200 V4L2_COLORSPACE_DEFAULT = 0,
201
202 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */
203 V4L2_COLORSPACE_SMPTE170M = 1,
204
205 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */
206 V4L2_COLORSPACE_SMPTE240M = 2,
207
208 /* Rec.709: used for HDTV */
209 V4L2_COLORSPACE_REC709 = 3,
210
211 /*
212 * Deprecated, do not use. No driver will ever return this. This was
213 * based on a misunderstanding of the bt878 datasheet.
214 */
215 V4L2_COLORSPACE_BT878 = 4,
216
217 /*
218 * NTSC 1953 colorspace. This only makes sense when dealing with
219 * really, really old NTSC recordings. Superseded by SMPTE 170M.
220 */
221 V4L2_COLORSPACE_470_SYSTEM_M = 5,
222
223 /*
224 * EBU Tech 3213 PAL/SECAM colorspace.
225 */
226 V4L2_COLORSPACE_470_SYSTEM_BG = 6,
227
228 /*
229 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601
230 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG.
231 */
232 V4L2_COLORSPACE_JPEG = 7,
233
234 /* For RGB colorspaces such as produces by most webcams. */
235 V4L2_COLORSPACE_SRGB = 8,
236
237 /* opRGB colorspace */
238 V4L2_COLORSPACE_OPRGB = 9,
239
240 /* BT.2020 colorspace, used for UHDTV. */
241 V4L2_COLORSPACE_BT2020 = 10,
242
243 /* Raw colorspace: for RAW unprocessed images */
244 V4L2_COLORSPACE_RAW = 11,
245
246 /* DCI-P3 colorspace, used by cinema projectors */
247 V4L2_COLORSPACE_DCI_P3 = 12,
248 };
249
250 /*
251 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace.
252 * This depends on whether this is a SDTV image (use SMPTE 170M), an
253 * HDTV image (use Rec. 709), or something else (use sRGB).
254 */
255 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \
256 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \
257 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB))
258
259 enum v4l2_xfer_func {
260 /*
261 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions
262 * for the various colorspaces:
263 *
264 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
265 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and
266 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709
267 *
268 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB
269 *
270 * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB
271 *
272 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M
273 *
274 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE
275 *
276 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3
277 */
278 V4L2_XFER_FUNC_DEFAULT = 0,
279 V4L2_XFER_FUNC_709 = 1,
280 V4L2_XFER_FUNC_SRGB = 2,
281 V4L2_XFER_FUNC_OPRGB = 3,
282 V4L2_XFER_FUNC_SMPTE240M = 4,
283 V4L2_XFER_FUNC_NONE = 5,
284 V4L2_XFER_FUNC_DCI_P3 = 6,
285 V4L2_XFER_FUNC_SMPTE2084 = 7,
286 };
287
288 /*
289 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function.
290 * This depends on the colorspace.
291 */
292 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \
293 ((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \
294 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \
295 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \
296 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \
297 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \
298 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709)))))
299
300 enum v4l2_ycbcr_encoding {
301 /*
302 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the
303 * various colorspaces:
304 *
305 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
306 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB,
307 * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601
308 *
309 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709
310 *
311 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020
312 *
313 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M
314 */
315 V4L2_YCBCR_ENC_DEFAULT = 0,
316
317 /* ITU-R 601 -- SDTV */
318 V4L2_YCBCR_ENC_601 = 1,
319
320 /* Rec. 709 -- HDTV */
321 V4L2_YCBCR_ENC_709 = 2,
322
323 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */
324 V4L2_YCBCR_ENC_XV601 = 3,
325
326 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */
327 V4L2_YCBCR_ENC_XV709 = 4,
328
329 #ifndef __KERNEL__
330 /*
331 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added
332 * originally due to a misunderstanding of the sYCC standard. It should
333 * not be used, instead use V4L2_YCBCR_ENC_601.
334 */
335 V4L2_YCBCR_ENC_SYCC = 5,
336 #endif
337
338 /* BT.2020 Non-constant Luminance Y'CbCr */
339 V4L2_YCBCR_ENC_BT2020 = 6,
340
341 /* BT.2020 Constant Luminance Y'CbcCrc */
342 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7,
343
344 /* SMPTE 240M -- Obsolete HDTV */
345 V4L2_YCBCR_ENC_SMPTE240M = 8,
346 };
347
348 /*
349 * enum v4l2_hsv_encoding values should not collide with the ones from
350 * enum v4l2_ycbcr_encoding.
351 */
352 enum v4l2_hsv_encoding {
353
354 /* Hue mapped to 0 - 179 */
355 V4L2_HSV_ENC_180 = 128,
356
357 /* Hue mapped to 0-255 */
358 V4L2_HSV_ENC_256 = 129,
359 };
360
361 /*
362 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding.
363 * This depends on the colorspace.
364 */
365 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \
366 (((colsp) == V4L2_COLORSPACE_REC709 || \
367 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \
368 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \
369 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \
370 V4L2_YCBCR_ENC_601)))
371
372 enum v4l2_quantization {
373 /*
374 * The default for R'G'B' quantization is always full range.
375 * For Y'CbCr the quantization is always limited range, except
376 * for COLORSPACE_JPEG: this is full range.
377 */
378 V4L2_QUANTIZATION_DEFAULT = 0,
379 V4L2_QUANTIZATION_FULL_RANGE = 1,
380 V4L2_QUANTIZATION_LIM_RANGE = 2,
381 };
382
383 /*
384 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization.
385 * This depends on whether the image is RGB or not, the colorspace.
386 * The Y'CbCr encoding is not used anymore, but is still there for backwards
387 * compatibility.
388 */
389 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \
390 (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \
391 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE)
392
393 /*
394 * Deprecated names for opRGB colorspace (IEC 61966-2-5)
395 *
396 * WARNING: Please don't use these deprecated defines in your code, as
397 * there is a chance we have to remove them in the future.
398 */
399 #ifndef __KERNEL__
400 #define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB
401 #define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB
402 #endif
403
404 enum v4l2_priority {
405 V4L2_PRIORITY_UNSET = 0, /* not initialized */
406 V4L2_PRIORITY_BACKGROUND = 1,
407 V4L2_PRIORITY_INTERACTIVE = 2,
408 V4L2_PRIORITY_RECORD = 3,
409 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE,
410 };
411
412 struct v4l2_rect {
413 __s32 left;
414 __s32 top;
415 __u32 width;
416 __u32 height;
417 };
418
419 struct v4l2_fract {
420 __u32 numerator;
421 __u32 denominator;
422 };
423
424 struct v4l2_area {
425 __u32 width;
426 __u32 height;
427 };
428
429 /**
430 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
431 *
432 * @driver: name of the driver module (e.g. "bttv")
433 * @card: name of the card (e.g. "Hauppauge WinTV")
434 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) )
435 * @version: KERNEL_VERSION
436 * @capabilities: capabilities of the physical device as a whole
437 * @device_caps: capabilities accessed via this particular device (node)
438 * @reserved: reserved fields for future extensions
439 */
440 struct v4l2_capability {
441 __u8 driver[16];
442 __u8 card[32];
443 __u8 bus_info[32];
444 __u32 version;
445 __u32 capabilities;
446 __u32 device_caps;
447 __u32 reserved[3];
448 };
449
450 /* Values for 'capabilities' field */
451 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */
452 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */
453 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */
454 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */
455 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */
456 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */
457 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */
458 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */
459 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */
460 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */
461 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */
462
463 /* Is a video capture device that supports multiplanar formats */
464 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000
465 /* Is a video output device that supports multiplanar formats */
466 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000
467 /* Is a video mem-to-mem device that supports multiplanar formats */
468 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000
469 /* Is a video mem-to-mem device */
470 #define V4L2_CAP_VIDEO_M2M 0x00008000
471
472 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */
473 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */
474 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */
475 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */
476
477 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */
478 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */
479 #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */
480 #define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */
481
482 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
483 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */
484 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */
485 #define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */
486
487 #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */
488
489 #define V4L2_CAP_IO_MC 0x20000000 /* Is input/output controlled by the media controller */
490
491 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */
492
493 /*
494 * V I D E O I M A G E F O R M A T
495 */
496 struct v4l2_pix_format {
497 __u32 width;
498 __u32 height;
499 __u32 pixelformat;
500 __u32 field; /* enum v4l2_field */
501 __u32 bytesperline; /* for padding, zero if unused */
502 __u32 sizeimage;
503 __u32 colorspace; /* enum v4l2_colorspace */
504 __u32 priv; /* private data, depends on pixelformat */
505 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */
506 union {
507 /* enum v4l2_ycbcr_encoding */
508 __u32 ycbcr_enc;
509 /* enum v4l2_hsv_encoding */
510 __u32 hsv_enc;
511 };
512 __u32 quantization; /* enum v4l2_quantization */
513 __u32 xfer_func; /* enum v4l2_xfer_func */
514 };
515
516 /* Pixel format FOURCC depth Description */
517
518 /* RGB formats (1 or 2 bytes per pixel) */
519 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */
520 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */
521 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */
522 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */
523 #define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2') /* 16 rrrrgggg bbbbaaaa */
524 #define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16 rrrrgggg bbbbxxxx */
525 #define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16 aaaabbbb ggggrrrr */
526 #define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16 xxxxbbbb ggggrrrr */
527 #define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('G', 'A', '1', '2') /* 16 bbbbgggg rrrraaaa */
528 #define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16 bbbbgggg rrrrxxxx */
529 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */
530 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */
531 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */
532 #define V4L2_PIX_FMT_RGBA555 v4l2_fourcc('R', 'A', '1', '5') /* 16 RGBA-5-5-5-1 */
533 #define V4L2_PIX_FMT_RGBX555 v4l2_fourcc('R', 'X', '1', '5') /* 16 RGBX-5-5-5-1 */
534 #define V4L2_PIX_FMT_ABGR555 v4l2_fourcc('A', 'B', '1', '5') /* 16 ABGR-1-5-5-5 */
535 #define V4L2_PIX_FMT_XBGR555 v4l2_fourcc('X', 'B', '1', '5') /* 16 XBGR-1-5-5-5 */
536 #define V4L2_PIX_FMT_BGRA555 v4l2_fourcc('B', 'A', '1', '5') /* 16 BGRA-5-5-5-1 */
537 #define V4L2_PIX_FMT_BGRX555 v4l2_fourcc('B', 'X', '1', '5') /* 16 BGRX-5-5-5-1 */
538 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */
539 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */
540 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */
541 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */
542 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */
543
544 /* RGB formats (3 or 4 bytes per pixel) */
545 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */
546 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */
547 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */
548 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */
549 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */
550 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */
551 #define V4L2_PIX_FMT_BGRA32 v4l2_fourcc('R', 'A', '2', '4') /* 32 ABGR-8-8-8-8 */
552 #define V4L2_PIX_FMT_BGRX32 v4l2_fourcc('R', 'X', '2', '4') /* 32 XBGR-8-8-8-8 */
553 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */
554 #define V4L2_PIX_FMT_RGBA32 v4l2_fourcc('A', 'B', '2', '4') /* 32 RGBA-8-8-8-8 */
555 #define V4L2_PIX_FMT_RGBX32 v4l2_fourcc('X', 'B', '2', '4') /* 32 RGBX-8-8-8-8 */
556 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */
557 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */
558
559 /* Grey formats */
560 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */
561 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */
562 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */
563 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */
564 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */
565 #define V4L2_PIX_FMT_Y14 v4l2_fourcc('Y', '1', '4', ' ') /* 14 Greyscale */
566 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */
567 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */
568
569 /* Grey bit-packed formats */
570 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */
571 #define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */
572 #define V4L2_PIX_FMT_IPU3_Y10 v4l2_fourcc('i', 'p', '3', 'y') /* IPU3 packed 10-bit greyscale */
573
574 /* Palette formats */
575 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */
576
577 /* Chrominance formats */
578 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */
579
580 /* Luminance+Chrominance formats */
581 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */
582 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */
583 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
584 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */
585 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */
586 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */
587 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */
588 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */
589 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */
590 #define V4L2_PIX_FMT_YUV24 v4l2_fourcc('Y', 'U', 'V', '3') /* 24 YUV-8-8-8 */
591 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */
592 #define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */
593 #define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */
594 #define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */
595 #define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */
596 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */
597
598 /* two planes -- one Y, one Cr + Cb interleaved */
599 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */
600 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */
601 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */
602 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */
603 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */
604 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */
605
606 /* two non contiguous planes - one Y, one Cr + Cb interleaved */
607 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */
608 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */
609 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */
610 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */
611
612 /* three planes - Y Cb, Cr */
613 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */
614 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */
615 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */
616 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */
617 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */
618 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */
619
620 /* three non contiguous planes - Y, Cb, Cr */
621 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */
622 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */
623 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */
624 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */
625 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */
626 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */
627
628 /* Tiled YUV formats */
629 #define V4L2_PIX_FMT_NV12_4L4 v4l2_fourcc('V', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 4x4 tiles */
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 /* Tiled YUV formats, non contiguous planes */
634 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 tiles */
635 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */
636 #define V4L2_PIX_FMT_NV12M_8L128 v4l2_fourcc('N', 'A', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */
637 #define V4L2_PIX_FMT_NV12M_10BE_8L128 v4l2_fourcc_be('N', 'T', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */
638
639 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
640 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */
641 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */
642 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */
643 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */
644 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */
645 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */
646 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */
647 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */
648 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */
649 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A')
650 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A')
651 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A')
652 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A')
653 /* 10bit raw bayer a-law compressed to 8 bits */
654 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
655 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
656 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
657 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
658 /* 10bit raw bayer DPCM compressed to 8 bits */
659 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
660 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
661 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
662 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
663 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */
664 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */
665 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */
666 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */
667 /* 12bit raw bayer packed, 6 bytes for every 4 pixels */
668 #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C')
669 #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C')
670 #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C')
671 #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C')
672 #define V4L2_PIX_FMT_SBGGR14 v4l2_fourcc('B', 'G', '1', '4') /* 14 BGBG.. GRGR.. */
673 #define V4L2_PIX_FMT_SGBRG14 v4l2_fourcc('G', 'B', '1', '4') /* 14 GBGB.. RGRG.. */
674 #define V4L2_PIX_FMT_SGRBG14 v4l2_fourcc('G', 'R', '1', '4') /* 14 GRGR.. BGBG.. */
675 #define V4L2_PIX_FMT_SRGGB14 v4l2_fourcc('R', 'G', '1', '4') /* 14 RGRG.. GBGB.. */
676 /* 14bit raw bayer packed, 7 bytes for every 4 pixels */
677 #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E')
678 #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E')
679 #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E')
680 #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E')
681 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */
682 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */
683 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */
684 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */
685
686 /* HSV formats */
687 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3')
688 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4')
689
690 /* compressed formats */
691 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */
692 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */
693 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */
694 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
695 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
696 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
697 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
698 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */
699 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */
700 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */
701 #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */
702 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */
703 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */
704 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
705 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
706 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */
707 #define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') /* VP8 parsed frame */
708 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */
709 #define V4L2_PIX_FMT_VP9_FRAME v4l2_fourcc('V', 'P', '9', 'F') /* VP9 parsed frame */
710 #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */
711 #define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */
712 #define V4L2_PIX_FMT_FWHT_STATELESS v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */
713 #define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */
714
715 /* Vendor-specific formats */
716 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
717 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
718 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
719 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
720 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
721 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
722 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
723 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
724 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
725 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
726 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
727 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
728 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
729 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */
730 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
731 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
732 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
733 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
734 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
735 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
736 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
737 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
738 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
739 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
740 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */
741 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
742 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */
743 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
744 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
745 #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */
746 #define V4L2_PIX_FMT_MM21 v4l2_fourcc('M', 'M', '2', '1') /* Mediatek 8-bit block mode, two non-contiguous planes */
747 #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */
748 #define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */
749 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* BTTV 8-bit dithered RGB */
750 #define V4L2_PIX_FMT_QC08C v4l2_fourcc('Q', '0', '8', 'C') /* Qualcomm 8-bit compressed */
751 #define V4L2_PIX_FMT_QC10C v4l2_fourcc('Q', '1', '0', 'C') /* Qualcomm 10-bit compressed */
752
753 /* 10bit raw packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */
754 #define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */
755 #define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */
756 #define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */
757 #define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */
758
759 /* SDR formats - used only for Software Defined Radio devices */
760 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
761 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
762 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */
763 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */
764 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
765 #define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */
766 #define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */
767 #define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */
768
769 /* Touch formats - used for Touch devices */
770 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */
771 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */
772 #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */
773 #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */
774
775 /* Meta-data formats */
776 #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */
777 #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
778 #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */
779 #define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */
780 #define V4L2_META_FMT_VIVID v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */
781
782 /* Vendor specific - used for RK_ISP1 camera sub-system */
783 #define V4L2_META_FMT_RK_ISP1_PARAMS v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */
784 #define V4L2_META_FMT_RK_ISP1_STAT_3A v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */
785
786 /* priv field value to indicates that subsequent fields are valid. */
787 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe
788
789 /* Flags */
790 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001
791 #define V4L2_PIX_FMT_FLAG_SET_CSC 0x00000002
792
793 /*
794 * F O R M A T E N U M E R A T I O N
795 */
796 struct v4l2_fmtdesc {
797 __u32 index; /* Format number */
798 __u32 type; /* enum v4l2_buf_type */
799 __u32 flags;
800 __u8 description[32]; /* Description string */
801 __u32 pixelformat; /* Format fourcc */
802 __u32 mbus_code; /* Media bus code */
803 __u32 reserved[3];
804 };
805
806 #define V4L2_FMT_FLAG_COMPRESSED 0x0001
807 #define V4L2_FMT_FLAG_EMULATED 0x0002
808 #define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM 0x0004
809 #define V4L2_FMT_FLAG_DYN_RESOLUTION 0x0008
810 #define V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL 0x0010
811 #define V4L2_FMT_FLAG_CSC_COLORSPACE 0x0020
812 #define V4L2_FMT_FLAG_CSC_XFER_FUNC 0x0040
813 #define V4L2_FMT_FLAG_CSC_YCBCR_ENC 0x0080
814 #define V4L2_FMT_FLAG_CSC_HSV_ENC V4L2_FMT_FLAG_CSC_YCBCR_ENC
815 #define V4L2_FMT_FLAG_CSC_QUANTIZATION 0x0100
816
817 /* Frame Size and frame rate enumeration */
818 /*
819 * F R A M E S I Z E E N U M E R A T I O N
820 */
821 enum v4l2_frmsizetypes {
822 V4L2_FRMSIZE_TYPE_DISCRETE = 1,
823 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2,
824 V4L2_FRMSIZE_TYPE_STEPWISE = 3,
825 };
826
827 struct v4l2_frmsize_discrete {
828 __u32 width; /* Frame width [pixel] */
829 __u32 height; /* Frame height [pixel] */
830 };
831
832 struct v4l2_frmsize_stepwise {
833 __u32 min_width; /* Minimum frame width [pixel] */
834 __u32 max_width; /* Maximum frame width [pixel] */
835 __u32 step_width; /* Frame width step size [pixel] */
836 __u32 min_height; /* Minimum frame height [pixel] */
837 __u32 max_height; /* Maximum frame height [pixel] */
838 __u32 step_height; /* Frame height step size [pixel] */
839 };
840
841 struct v4l2_frmsizeenum {
842 __u32 index; /* Frame size number */
843 __u32 pixel_format; /* Pixel format */
844 __u32 type; /* Frame size type the device supports. */
845
846 union { /* Frame size */
847 struct v4l2_frmsize_discrete discrete;
848 struct v4l2_frmsize_stepwise stepwise;
849 };
850
851 __u32 reserved[2]; /* Reserved space for future use */
852 };
853
854 /*
855 * F R A M E R A T E E N U M E R A T I O N
856 */
857 enum v4l2_frmivaltypes {
858 V4L2_FRMIVAL_TYPE_DISCRETE = 1,
859 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2,
860 V4L2_FRMIVAL_TYPE_STEPWISE = 3,
861 };
862
863 struct v4l2_frmival_stepwise {
864 struct v4l2_fract min; /* Minimum frame interval [s] */
865 struct v4l2_fract max; /* Maximum frame interval [s] */
866 struct v4l2_fract step; /* Frame interval step size [s] */
867 };
868
869 struct v4l2_frmivalenum {
870 __u32 index; /* Frame format index */
871 __u32 pixel_format; /* Pixel format */
872 __u32 width; /* Frame width */
873 __u32 height; /* Frame height */
874 __u32 type; /* Frame interval type the device supports. */
875
876 union { /* Frame interval */
877 struct v4l2_fract discrete;
878 struct v4l2_frmival_stepwise stepwise;
879 };
880
881 __u32 reserved[2]; /* Reserved space for future use */
882 };
883
884 /*
885 * T I M E C O D E
886 */
887 struct v4l2_timecode {
888 __u32 type;
889 __u32 flags;
890 __u8 frames;
891 __u8 seconds;
892 __u8 minutes;
893 __u8 hours;
894 __u8 userbits[4];
895 };
896
897 /* Type */
898 #define V4L2_TC_TYPE_24FPS 1
899 #define V4L2_TC_TYPE_25FPS 2
900 #define V4L2_TC_TYPE_30FPS 3
901 #define V4L2_TC_TYPE_50FPS 4
902 #define V4L2_TC_TYPE_60FPS 5
903
904 /* Flags */
905 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */
906 #define V4L2_TC_FLAG_COLORFRAME 0x0002
907 #define V4L2_TC_USERBITS_field 0x000C
908 #define V4L2_TC_USERBITS_USERDEFINED 0x0000
909 #define V4L2_TC_USERBITS_8BITCHARS 0x0008
910 /* The above is based on SMPTE timecodes */
911
912 struct v4l2_jpegcompression {
913 int quality;
914
915 int APPn; /* Number of APP segment to be written,
916 * must be 0..15 */
917 int APP_len; /* Length of data in JPEG APPn segment */
918 char APP_data[60]; /* Data in the JPEG APPn segment. */
919
920 int COM_len; /* Length of data in JPEG COM segment */
921 char COM_data[60]; /* Data in JPEG COM segment */
922
923 __u32 jpeg_markers; /* Which markers should go into the JPEG
924 * output. Unless you exactly know what
925 * you do, leave them untouched.
926 * Including less markers will make the
927 * resulting code smaller, but there will
928 * be fewer applications which can read it.
929 * The presence of the APP and COM marker
930 * is influenced by APP_len and COM_len
931 * ONLY, not by this property! */
932
933 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */
934 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */
935 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
936 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */
937 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will
938 * always use APP0 */
939 };
940
941 /*
942 * M E M O R Y - M A P P I N G B U F F E R S
943 */
944
945 #ifdef __KERNEL__
946 /*
947 * This corresponds to the user space version of timeval
948 * for 64-bit time_t. sparc64 is different from everyone
949 * else, using the microseconds in the wrong half of the
950 * second 64-bit word.
951 */
952 struct __kernel_v4l2_timeval {
953 long long tv_sec;
954 #if defined(__sparc__) && defined(__arch64__)
955 int tv_usec;
956 int __pad;
957 #else
958 long long tv_usec;
959 #endif
960 };
961 #endif
962
963 struct v4l2_requestbuffers {
964 __u32 count;
965 __u32 type; /* enum v4l2_buf_type */
966 __u32 memory; /* enum v4l2_memory */
967 __u32 capabilities;
968 __u8 flags;
969 __u8 reserved[3];
970 };
971
972 #define V4L2_MEMORY_FLAG_NON_COHERENT (1 << 0)
973
974 /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */
975 #define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0)
976 #define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1)
977 #define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2)
978 #define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3)
979 #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4)
980 #define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5)
981 #define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS (1 << 6)
982
983 /**
984 * struct v4l2_plane - plane info for multi-planar buffers
985 * @bytesused: number of bytes occupied by data in the plane (payload)
986 * @length: size of this plane (NOT the payload) in bytes
987 * @mem_offset: when memory in the associated struct v4l2_buffer is
988 * V4L2_MEMORY_MMAP, equals the offset from the start of
989 * the device memory for this plane (or is a "cookie" that
990 * should be passed to mmap() called on the video node)
991 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer
992 * pointing to this plane
993 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file
994 * descriptor associated with this plane
995 * @m: union of @mem_offset, @userptr and @fd
996 * @data_offset: offset in the plane to the start of data; usually 0,
997 * unless there is a header in front of the data
998 * @reserved: drivers and applications must zero this array
999 *
1000 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
1001 * with two planes can have one plane for Y, and another for interleaved CbCr
1002 * components. Each plane can reside in a separate memory buffer, or even in
1003 * a completely separate memory node (e.g. in embedded devices).
1004 */
1005 struct v4l2_plane {
1006 __u32 bytesused;
1007 __u32 length;
1008 union {
1009 __u32 mem_offset;
1010 unsigned long userptr;
1011 __s32 fd;
1012 } m;
1013 __u32 data_offset;
1014 __u32 reserved[11];
1015 };
1016
1017 /**
1018 * struct v4l2_buffer - video buffer info
1019 * @index: id number of the buffer
1020 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
1021 * multiplanar buffers);
1022 * @bytesused: number of bytes occupied by data in the buffer (payload);
1023 * unused (set to 0) for multiplanar buffers
1024 * @flags: buffer informational flags
1025 * @field: enum v4l2_field; field order of the image in the buffer
1026 * @timestamp: frame timestamp
1027 * @timecode: frame timecode
1028 * @sequence: sequence count of this frame
1029 * @memory: enum v4l2_memory; the method, in which the actual video data is
1030 * passed
1031 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
1032 * offset from the start of the device memory for this plane,
1033 * (or a "cookie" that should be passed to mmap() as offset)
1034 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
1035 * a userspace pointer pointing to this buffer
1036 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
1037 * a userspace file descriptor associated with this buffer
1038 * @planes: for multiplanar buffers; userspace pointer to the array of plane
1039 * info structs for this buffer
1040 * @m: union of @offset, @userptr, @planes and @fd
1041 * @length: size in bytes of the buffer (NOT its payload) for single-plane
1042 * buffers (when type != *_MPLANE); number of elements in the
1043 * planes array for multi-plane buffers
1044 * @reserved2: drivers and applications must zero this field
1045 * @request_fd: fd of the request that this buffer should use
1046 * @reserved: for backwards compatibility with applications that do not know
1047 * about @request_fd
1048 *
1049 * Contains data exchanged by application and driver using one of the Streaming
1050 * I/O methods.
1051 */
1052 struct v4l2_buffer {
1053 __u32 index;
1054 __u32 type;
1055 __u32 bytesused;
1056 __u32 flags;
1057 __u32 field;
1058 #ifdef __KERNEL__
1059 struct __kernel_v4l2_timeval timestamp;
1060 #else
1061 struct timeval timestamp;
1062 #endif
1063 struct v4l2_timecode timecode;
1064 __u32 sequence;
1065
1066 /* memory location */
1067 __u32 memory;
1068 union {
1069 __u32 offset;
1070 unsigned long userptr;
1071 struct v4l2_plane *planes;
1072 __s32 fd;
1073 } m;
1074 __u32 length;
1075 __u32 reserved2;
1076 union {
1077 __s32 request_fd;
1078 __u32 reserved;
1079 };
1080 };
1081
1082 #ifndef __KERNEL__
1083 /**
1084 * v4l2_timeval_to_ns - Convert timeval to nanoseconds
1085 * @tv: pointer to the timeval variable to be converted
1086 *
1087 * Returns the scalar nanosecond representation of the timeval
1088 * parameter.
1089 */
v4l2_timeval_to_ns(const struct timeval * tv)1090 static inline __u64 v4l2_timeval_to_ns(const struct timeval *tv)
1091 {
1092 return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000;
1093 }
1094 #endif
1095
1096 /* Flags for 'flags' field */
1097 /* Buffer is mapped (flag) */
1098 #define V4L2_BUF_FLAG_MAPPED 0x00000001
1099 /* Buffer is queued for processing */
1100 #define V4L2_BUF_FLAG_QUEUED 0x00000002
1101 /* Buffer is ready */
1102 #define V4L2_BUF_FLAG_DONE 0x00000004
1103 /* Image is a keyframe (I-frame) */
1104 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008
1105 /* Image is a P-frame */
1106 #define V4L2_BUF_FLAG_PFRAME 0x00000010
1107 /* Image is a B-frame */
1108 #define V4L2_BUF_FLAG_BFRAME 0x00000020
1109 /* Buffer is ready, but the data contained within is corrupted. */
1110 #define V4L2_BUF_FLAG_ERROR 0x00000040
1111 /* Buffer is added to an unqueued request */
1112 #define V4L2_BUF_FLAG_IN_REQUEST 0x00000080
1113 /* timecode field is valid */
1114 #define V4L2_BUF_FLAG_TIMECODE 0x00000100
1115 /* Don't return the capture buffer until OUTPUT timestamp changes */
1116 #define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF 0x00000200
1117 /* Buffer is prepared for queuing */
1118 #define V4L2_BUF_FLAG_PREPARED 0x00000400
1119 /* Cache handling flags */
1120 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800
1121 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000
1122 /* Timestamp type */
1123 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000
1124 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000
1125 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000
1126 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000
1127 /* Timestamp sources. */
1128 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000
1129 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000
1130 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000
1131 /* mem2mem encoder/decoder */
1132 #define V4L2_BUF_FLAG_LAST 0x00100000
1133 /* request_fd is valid */
1134 #define V4L2_BUF_FLAG_REQUEST_FD 0x00800000
1135
1136 /**
1137 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
1138 *
1139 * @index: id number of the buffer
1140 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
1141 * multiplanar buffers);
1142 * @plane: index of the plane to be exported, 0 for single plane queues
1143 * @flags: flags for newly created file, currently only O_CLOEXEC is
1144 * supported, refer to manual of open syscall for more details
1145 * @fd: file descriptor associated with DMABUF (set by driver)
1146 * @reserved: drivers and applications must zero this array
1147 *
1148 * Contains data used for exporting a video buffer as DMABUF file descriptor.
1149 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
1150 * (identical to the cookie used to mmap() the buffer to userspace). All
1151 * reserved fields must be set to zero. The field reserved0 is expected to
1152 * become a structure 'type' allowing an alternative layout of the structure
1153 * content. Therefore this field should not be used for any other extensions.
1154 */
1155 struct v4l2_exportbuffer {
1156 __u32 type; /* enum v4l2_buf_type */
1157 __u32 index;
1158 __u32 plane;
1159 __u32 flags;
1160 __s32 fd;
1161 __u32 reserved[11];
1162 };
1163
1164 /*
1165 * O V E R L A Y P R E V I E W
1166 */
1167 struct v4l2_framebuffer {
1168 __u32 capability;
1169 __u32 flags;
1170 /* FIXME: in theory we should pass something like PCI device + memory
1171 * region + offset instead of some physical address */
1172 void *base;
1173 struct {
1174 __u32 width;
1175 __u32 height;
1176 __u32 pixelformat;
1177 __u32 field; /* enum v4l2_field */
1178 __u32 bytesperline; /* for padding, zero if unused */
1179 __u32 sizeimage;
1180 __u32 colorspace; /* enum v4l2_colorspace */
1181 __u32 priv; /* reserved field, set to 0 */
1182 } fmt;
1183 };
1184 /* Flags for the 'capability' field. Read only */
1185 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
1186 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002
1187 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004
1188 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008
1189 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010
1190 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020
1191 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040
1192 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080
1193 /* Flags for the 'flags' field. */
1194 #define V4L2_FBUF_FLAG_PRIMARY 0x0001
1195 #define V4L2_FBUF_FLAG_OVERLAY 0x0002
1196 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004
1197 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008
1198 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010
1199 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020
1200 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040
1201
1202 struct v4l2_clip {
1203 struct v4l2_rect c;
1204 struct v4l2_clip __user *next;
1205 };
1206
1207 struct v4l2_window {
1208 struct v4l2_rect w;
1209 __u32 field; /* enum v4l2_field */
1210 __u32 chromakey;
1211 struct v4l2_clip *clips;
1212 __u32 clipcount;
1213 void __user *bitmap;
1214 __u8 global_alpha;
1215 };
1216
1217 /*
1218 * C A P T U R E P A R A M E T E R S
1219 */
1220 struct v4l2_captureparm {
1221 __u32 capability; /* Supported modes */
1222 __u32 capturemode; /* Current mode */
1223 struct v4l2_fract timeperframe; /* Time per frame in seconds */
1224 __u32 extendedmode; /* Driver-specific extensions */
1225 __u32 readbuffers; /* # of buffers for read */
1226 __u32 reserved[4];
1227 };
1228
1229 /* Flags for 'capability' and 'capturemode' fields */
1230 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */
1231 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */
1232
1233 struct v4l2_outputparm {
1234 __u32 capability; /* Supported modes */
1235 __u32 outputmode; /* Current mode */
1236 struct v4l2_fract timeperframe; /* Time per frame in seconds */
1237 __u32 extendedmode; /* Driver-specific extensions */
1238 __u32 writebuffers; /* # of buffers for write */
1239 __u32 reserved[4];
1240 };
1241
1242 /*
1243 * I N P U T I M A G E C R O P P I N G
1244 */
1245 struct v4l2_cropcap {
1246 __u32 type; /* enum v4l2_buf_type */
1247 struct v4l2_rect bounds;
1248 struct v4l2_rect defrect;
1249 struct v4l2_fract pixelaspect;
1250 };
1251
1252 struct v4l2_crop {
1253 __u32 type; /* enum v4l2_buf_type */
1254 struct v4l2_rect c;
1255 };
1256
1257 /**
1258 * struct v4l2_selection - selection info
1259 * @type: buffer type (do not use *_MPLANE types)
1260 * @target: Selection target, used to choose one of possible rectangles;
1261 * defined in v4l2-common.h; V4L2_SEL_TGT_* .
1262 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
1263 * @r: coordinates of selection window
1264 * @reserved: for future use, rounds structure size to 64 bytes, set to zero
1265 *
1266 * Hardware may use multiple helper windows to process a video stream.
1267 * The structure is used to exchange this selection areas between
1268 * an application and a driver.
1269 */
1270 struct v4l2_selection {
1271 __u32 type;
1272 __u32 target;
1273 __u32 flags;
1274 struct v4l2_rect r;
1275 __u32 reserved[9];
1276 };
1277
1278
1279 /*
1280 * A N A L O G V I D E O S T A N D A R D
1281 */
1282
1283 typedef __u64 v4l2_std_id;
1284
1285 /*
1286 * Attention: Keep the V4L2_STD_* bit definitions in sync with
1287 * include/dt-bindings/display/sdtv-standards.h SDTV_STD_* bit definitions.
1288 */
1289 /* one bit for each */
1290 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001)
1291 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002)
1292 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004)
1293 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008)
1294 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010)
1295 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020)
1296 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040)
1297 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080)
1298
1299 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100)
1300 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200)
1301 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
1302 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
1303
1304 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */
1305 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */
1306 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000)
1307 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */
1308
1309 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
1310 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
1311 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000)
1312 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000)
1313 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
1314 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
1315 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
1316 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000)
1317
1318 /* ATSC/HDTV */
1319 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
1320 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000)
1321
1322 /* FIXME:
1323 Although std_id is 64 bits, there is an issue on PPC32 architecture that
1324 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
1325 this value to 32 bits.
1326 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
1327 it should work fine. However, if needed to add more than two standards,
1328 v4l2-common.c should be fixed.
1329 */
1330
1331 /*
1332 * Some macros to merge video standards in order to make live easier for the
1333 * drivers and V4L2 applications
1334 */
1335
1336 /*
1337 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
1338 * Missing here.
1339 */
1340 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\
1341 V4L2_STD_NTSC_M_JP |\
1342 V4L2_STD_NTSC_M_KR)
1343 /* Secam macros */
1344 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\
1345 V4L2_STD_SECAM_K |\
1346 V4L2_STD_SECAM_K1)
1347 /* All Secam Standards */
1348 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\
1349 V4L2_STD_SECAM_G |\
1350 V4L2_STD_SECAM_H |\
1351 V4L2_STD_SECAM_DK |\
1352 V4L2_STD_SECAM_L |\
1353 V4L2_STD_SECAM_LC)
1354 /* PAL macros */
1355 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\
1356 V4L2_STD_PAL_B1 |\
1357 V4L2_STD_PAL_G)
1358 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\
1359 V4L2_STD_PAL_D1 |\
1360 V4L2_STD_PAL_K)
1361 /*
1362 * "Common" PAL - This macro is there to be compatible with the old
1363 * V4L1 concept of "PAL": /BGDKHI.
1364 * Several PAL standards are missing here: /M, /N and /Nc
1365 */
1366 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\
1367 V4L2_STD_PAL_DK |\
1368 V4L2_STD_PAL_H |\
1369 V4L2_STD_PAL_I)
1370 /* Chroma "agnostic" standards */
1371 #define V4L2_STD_B (V4L2_STD_PAL_B |\
1372 V4L2_STD_PAL_B1 |\
1373 V4L2_STD_SECAM_B)
1374 #define V4L2_STD_G (V4L2_STD_PAL_G |\
1375 V4L2_STD_SECAM_G)
1376 #define V4L2_STD_H (V4L2_STD_PAL_H |\
1377 V4L2_STD_SECAM_H)
1378 #define V4L2_STD_L (V4L2_STD_SECAM_L |\
1379 V4L2_STD_SECAM_LC)
1380 #define V4L2_STD_GH (V4L2_STD_G |\
1381 V4L2_STD_H)
1382 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\
1383 V4L2_STD_SECAM_DK)
1384 #define V4L2_STD_BG (V4L2_STD_B |\
1385 V4L2_STD_G)
1386 #define V4L2_STD_MN (V4L2_STD_PAL_M |\
1387 V4L2_STD_PAL_N |\
1388 V4L2_STD_PAL_Nc |\
1389 V4L2_STD_NTSC)
1390
1391 /* Standards where MTS/BTSC stereo could be found */
1392 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\
1393 V4L2_STD_PAL_M |\
1394 V4L2_STD_PAL_N |\
1395 V4L2_STD_PAL_Nc)
1396
1397 /* Standards for Countries with 60Hz Line frequency */
1398 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\
1399 V4L2_STD_PAL_60 |\
1400 V4L2_STD_NTSC |\
1401 V4L2_STD_NTSC_443)
1402 /* Standards for Countries with 50Hz Line frequency */
1403 #define V4L2_STD_625_50 (V4L2_STD_PAL |\
1404 V4L2_STD_PAL_N |\
1405 V4L2_STD_PAL_Nc |\
1406 V4L2_STD_SECAM)
1407
1408 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\
1409 V4L2_STD_ATSC_16_VSB)
1410 /* Macros with none and all analog standards */
1411 #define V4L2_STD_UNKNOWN 0
1412 #define V4L2_STD_ALL (V4L2_STD_525_60 |\
1413 V4L2_STD_625_50)
1414
1415 struct v4l2_standard {
1416 __u32 index;
1417 v4l2_std_id id;
1418 __u8 name[24];
1419 struct v4l2_fract frameperiod; /* Frames, not fields */
1420 __u32 framelines;
1421 __u32 reserved[4];
1422 };
1423
1424 /*
1425 * D V B T T I M I N G S
1426 */
1427
1428 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data
1429 * @width: total width of the active video in pixels
1430 * @height: total height of the active video in lines
1431 * @interlaced: Interlaced or progressive
1432 * @polarities: Positive or negative polarities
1433 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1434 * @hfrontporch:Horizontal front porch in pixels
1435 * @hsync: Horizontal Sync length in pixels
1436 * @hbackporch: Horizontal back porch in pixels
1437 * @vfrontporch:Vertical front porch in lines
1438 * @vsync: Vertical Sync length in lines
1439 * @vbackporch: Vertical back porch in lines
1440 * @il_vfrontporch:Vertical front porch for the even field
1441 * (aka field 2) of interlaced field formats
1442 * @il_vsync: Vertical Sync length for the even field
1443 * (aka field 2) of interlaced field formats
1444 * @il_vbackporch:Vertical back porch for the even field
1445 * (aka field 2) of interlaced field formats
1446 * @standards: Standards the timing belongs to
1447 * @flags: Flags
1448 * @picture_aspect: The picture aspect ratio (hor/vert).
1449 * @cea861_vic: VIC code as per the CEA-861 standard.
1450 * @hdmi_vic: VIC code as per the HDMI standard.
1451 * @reserved: Reserved fields, must be zeroed.
1452 *
1453 * A note regarding vertical interlaced timings: height refers to the total
1454 * height of the active video frame (= two fields). The blanking timings refer
1455 * to the blanking of each field. So the height of the total frame is
1456 * calculated as follows:
1457 *
1458 * tot_height = height + vfrontporch + vsync + vbackporch +
1459 * il_vfrontporch + il_vsync + il_vbackporch
1460 *
1461 * The active height of each field is height / 2.
1462 */
1463 struct v4l2_bt_timings {
1464 __u32 width;
1465 __u32 height;
1466 __u32 interlaced;
1467 __u32 polarities;
1468 __u64 pixelclock;
1469 __u32 hfrontporch;
1470 __u32 hsync;
1471 __u32 hbackporch;
1472 __u32 vfrontporch;
1473 __u32 vsync;
1474 __u32 vbackporch;
1475 __u32 il_vfrontporch;
1476 __u32 il_vsync;
1477 __u32 il_vbackporch;
1478 __u32 standards;
1479 __u32 flags;
1480 struct v4l2_fract picture_aspect;
1481 __u8 cea861_vic;
1482 __u8 hdmi_vic;
1483 __u8 reserved[46];
1484 } __attribute__ ((packed));
1485
1486 /* Interlaced or progressive format */
1487 #define V4L2_DV_PROGRESSIVE 0
1488 #define V4L2_DV_INTERLACED 1
1489
1490 /* Polarities. If bit is not set, it is assumed to be negative polarity */
1491 #define V4L2_DV_VSYNC_POS_POL 0x00000001
1492 #define V4L2_DV_HSYNC_POS_POL 0x00000002
1493
1494 /* Timings standards */
1495 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */
1496 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */
1497 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */
1498 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */
1499 #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */
1500
1501 /* Flags */
1502
1503 /*
1504 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
1505 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
1506 * intervals are reduced, allowing a higher resolution over the same
1507 * bandwidth. This is a read-only flag.
1508 */
1509 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0)
1510 /*
1511 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
1512 * of six. These formats can be optionally played at 1 / 1.001 speed.
1513 * This is a read-only flag.
1514 */
1515 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1)
1516 /*
1517 * CEA-861 specific: only valid for video transmitters, the flag is cleared
1518 * by receivers.
1519 * If the framerate of the format is a multiple of six, then the pixelclock
1520 * used to set up the transmitter is divided by 1.001 to make it compatible
1521 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
1522 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
1523 * such frequencies, then the flag will also be cleared.
1524 */
1525 #define V4L2_DV_FL_REDUCED_FPS (1 << 2)
1526 /*
1527 * Specific to interlaced formats: if set, then field 1 is really one half-line
1528 * longer and field 2 is really one half-line shorter, so each field has
1529 * exactly the same number of half-lines. Whether half-lines can be detected
1530 * or used depends on the hardware.
1531 */
1532 #define V4L2_DV_FL_HALF_LINE (1 << 3)
1533 /*
1534 * If set, then this is a Consumer Electronics (CE) video format. Such formats
1535 * differ from other formats (commonly called IT formats) in that if RGB
1536 * encoding is used then by default the RGB values use limited range (i.e.
1537 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861
1538 * except for the 640x480 format are CE formats.
1539 */
1540 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4)
1541 /* Some formats like SMPTE-125M have an interlaced signal with a odd
1542 * total height. For these formats, if this flag is set, the first
1543 * field has the extra line. If not, it is the second field.
1544 */
1545 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5)
1546 /*
1547 * If set, then the picture_aspect field is valid. Otherwise assume that the
1548 * pixels are square, so the picture aspect ratio is the same as the width to
1549 * height ratio.
1550 */
1551 #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6)
1552 /*
1553 * If set, then the cea861_vic field is valid and contains the Video
1554 * Identification Code as per the CEA-861 standard.
1555 */
1556 #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7)
1557 /*
1558 * If set, then the hdmi_vic field is valid and contains the Video
1559 * Identification Code as per the HDMI standard (HDMI Vendor Specific
1560 * InfoFrame).
1561 */
1562 #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8)
1563 /*
1564 * CEA-861 specific: only valid for video receivers.
1565 * If set, then HW can detect the difference between regular FPS and
1566 * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with
1567 * the V4L2_DV_FL_CAN_REDUCE_FPS flag set.
1568 */
1569 #define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9)
1570
1571 /* A few useful defines to calculate the total blanking and frame sizes */
1572 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \
1573 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch)
1574 #define V4L2_DV_BT_FRAME_WIDTH(bt) \
1575 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt))
1576 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \
1577 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \
1578 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch)
1579 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \
1580 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))
1581
1582 /** struct v4l2_dv_timings - DV timings
1583 * @type: the type of the timings
1584 * @bt: BT656/1120 timings
1585 */
1586 struct v4l2_dv_timings {
1587 __u32 type;
1588 union {
1589 struct v4l2_bt_timings bt;
1590 __u32 reserved[32];
1591 };
1592 } __attribute__ ((packed));
1593
1594 /* Values for the type field */
1595 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */
1596
1597
1598 /** struct v4l2_enum_dv_timings - DV timings enumeration
1599 * @index: enumeration index
1600 * @pad: the pad number for which to enumerate timings (used with
1601 * v4l-subdev nodes only)
1602 * @reserved: must be zeroed
1603 * @timings: the timings for the given index
1604 */
1605 struct v4l2_enum_dv_timings {
1606 __u32 index;
1607 __u32 pad;
1608 __u32 reserved[2];
1609 struct v4l2_dv_timings timings;
1610 };
1611
1612 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
1613 * @min_width: width in pixels
1614 * @max_width: width in pixels
1615 * @min_height: height in lines
1616 * @max_height: height in lines
1617 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1618 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1619 * @standards: Supported standards
1620 * @capabilities: Supported capabilities
1621 * @reserved: Must be zeroed
1622 */
1623 struct v4l2_bt_timings_cap {
1624 __u32 min_width;
1625 __u32 max_width;
1626 __u32 min_height;
1627 __u32 max_height;
1628 __u64 min_pixelclock;
1629 __u64 max_pixelclock;
1630 __u32 standards;
1631 __u32 capabilities;
1632 __u32 reserved[16];
1633 } __attribute__ ((packed));
1634
1635 /* Supports interlaced formats */
1636 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0)
1637 /* Supports progressive formats */
1638 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1)
1639 /* Supports CVT/GTF reduced blanking */
1640 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2)
1641 /* Supports custom formats */
1642 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3)
1643
1644 /** struct v4l2_dv_timings_cap - DV timings capabilities
1645 * @type: the type of the timings (same as in struct v4l2_dv_timings)
1646 * @pad: the pad number for which to query capabilities (used with
1647 * v4l-subdev nodes only)
1648 * @bt: the BT656/1120 timings capabilities
1649 */
1650 struct v4l2_dv_timings_cap {
1651 __u32 type;
1652 __u32 pad;
1653 __u32 reserved[2];
1654 union {
1655 struct v4l2_bt_timings_cap bt;
1656 __u32 raw_data[32];
1657 };
1658 };
1659
1660
1661 /*
1662 * V I D E O I N P U T S
1663 */
1664 struct v4l2_input {
1665 __u32 index; /* Which input */
1666 __u8 name[32]; /* Label */
1667 __u32 type; /* Type of input */
1668 __u32 audioset; /* Associated audios (bitfield) */
1669 __u32 tuner; /* enum v4l2_tuner_type */
1670 v4l2_std_id std;
1671 __u32 status;
1672 __u32 capabilities;
1673 __u32 reserved[3];
1674 };
1675
1676 /* Values for the 'type' field */
1677 #define V4L2_INPUT_TYPE_TUNER 1
1678 #define V4L2_INPUT_TYPE_CAMERA 2
1679 #define V4L2_INPUT_TYPE_TOUCH 3
1680
1681 /* field 'status' - general */
1682 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */
1683 #define V4L2_IN_ST_NO_SIGNAL 0x00000002
1684 #define V4L2_IN_ST_NO_COLOR 0x00000004
1685
1686 /* field 'status' - sensor orientation */
1687 /* If sensor is mounted upside down set both bits */
1688 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */
1689 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */
1690
1691 /* field 'status' - analog */
1692 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
1693 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
1694 #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */
1695 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */
1696
1697 /* field 'status' - digital */
1698 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */
1699 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */
1700 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */
1701
1702 /* field 'status' - VCR and set-top box */
1703 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */
1704 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */
1705 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */
1706
1707 /* capabilities flags */
1708 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1709 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
1710 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */
1711 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1712
1713 /*
1714 * V I D E O O U T P U T S
1715 */
1716 struct v4l2_output {
1717 __u32 index; /* Which output */
1718 __u8 name[32]; /* Label */
1719 __u32 type; /* Type of output */
1720 __u32 audioset; /* Associated audios (bitfield) */
1721 __u32 modulator; /* Associated modulator */
1722 v4l2_std_id std;
1723 __u32 capabilities;
1724 __u32 reserved[3];
1725 };
1726 /* Values for the 'type' field */
1727 #define V4L2_OUTPUT_TYPE_MODULATOR 1
1728 #define V4L2_OUTPUT_TYPE_ANALOG 2
1729 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3
1730
1731 /* capabilities flags */
1732 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1733 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
1734 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */
1735 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1736
1737 /*
1738 * C O N T R O L S
1739 */
1740 struct v4l2_control {
1741 __u32 id;
1742 __s32 value;
1743 };
1744
1745 struct v4l2_ext_control {
1746 __u32 id;
1747 __u32 size;
1748 __u32 reserved2[1];
1749 union {
1750 __s32 value;
1751 __s64 value64;
1752 char __user *string;
1753 __u8 __user *p_u8;
1754 __u16 __user *p_u16;
1755 __u32 __user *p_u32;
1756 struct v4l2_area __user *p_area;
1757 struct v4l2_ctrl_h264_sps __user *p_h264_sps;
1758 struct v4l2_ctrl_h264_pps *p_h264_pps;
1759 struct v4l2_ctrl_h264_scaling_matrix __user *p_h264_scaling_matrix;
1760 struct v4l2_ctrl_h264_pred_weights __user *p_h264_pred_weights;
1761 struct v4l2_ctrl_h264_slice_params __user *p_h264_slice_params;
1762 struct v4l2_ctrl_h264_decode_params __user *p_h264_decode_params;
1763 struct v4l2_ctrl_fwht_params __user *p_fwht_params;
1764 struct v4l2_ctrl_vp8_frame __user *p_vp8_frame;
1765 struct v4l2_ctrl_mpeg2_sequence __user *p_mpeg2_sequence;
1766 struct v4l2_ctrl_mpeg2_picture __user *p_mpeg2_picture;
1767 struct v4l2_ctrl_mpeg2_quantisation __user *p_mpeg2_quantisation;
1768 struct v4l2_ctrl_vp9_compressed_hdr __user *p_vp9_compressed_hdr_probs;
1769 struct v4l2_ctrl_vp9_frame __user *p_vp9_frame;
1770 void __user *ptr;
1771 };
1772 } __attribute__ ((packed));
1773
1774 struct v4l2_ext_controls {
1775 union {
1776 #ifndef __KERNEL__
1777 __u32 ctrl_class;
1778 #endif
1779 __u32 which;
1780 };
1781 __u32 count;
1782 __u32 error_idx;
1783 __s32 request_fd;
1784 __u32 reserved[1];
1785 struct v4l2_ext_control *controls;
1786 };
1787
1788 #define V4L2_CTRL_ID_MASK (0x0fffffff)
1789 #ifndef __KERNEL__
1790 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL)
1791 #endif
1792 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL)
1793 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
1794 #define V4L2_CTRL_MAX_DIMS (4)
1795 #define V4L2_CTRL_WHICH_CUR_VAL 0
1796 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000
1797 #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000
1798
1799 enum v4l2_ctrl_type {
1800 V4L2_CTRL_TYPE_INTEGER = 1,
1801 V4L2_CTRL_TYPE_BOOLEAN = 2,
1802 V4L2_CTRL_TYPE_MENU = 3,
1803 V4L2_CTRL_TYPE_BUTTON = 4,
1804 V4L2_CTRL_TYPE_INTEGER64 = 5,
1805 V4L2_CTRL_TYPE_CTRL_CLASS = 6,
1806 V4L2_CTRL_TYPE_STRING = 7,
1807 V4L2_CTRL_TYPE_BITMASK = 8,
1808 V4L2_CTRL_TYPE_INTEGER_MENU = 9,
1809
1810 /* Compound types are >= 0x0100 */
1811 V4L2_CTRL_COMPOUND_TYPES = 0x0100,
1812 V4L2_CTRL_TYPE_U8 = 0x0100,
1813 V4L2_CTRL_TYPE_U16 = 0x0101,
1814 V4L2_CTRL_TYPE_U32 = 0x0102,
1815 V4L2_CTRL_TYPE_AREA = 0x0106,
1816
1817 V4L2_CTRL_TYPE_HDR10_CLL_INFO = 0x0110,
1818 V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY = 0x0111,
1819
1820 V4L2_CTRL_TYPE_H264_SPS = 0x0200,
1821 V4L2_CTRL_TYPE_H264_PPS = 0x0201,
1822 V4L2_CTRL_TYPE_H264_SCALING_MATRIX = 0x0202,
1823 V4L2_CTRL_TYPE_H264_SLICE_PARAMS = 0x0203,
1824 V4L2_CTRL_TYPE_H264_DECODE_PARAMS = 0x0204,
1825 V4L2_CTRL_TYPE_H264_PRED_WEIGHTS = 0x0205,
1826
1827 V4L2_CTRL_TYPE_FWHT_PARAMS = 0x0220,
1828
1829 V4L2_CTRL_TYPE_VP8_FRAME = 0x0240,
1830
1831 V4L2_CTRL_TYPE_MPEG2_QUANTISATION = 0x0250,
1832 V4L2_CTRL_TYPE_MPEG2_SEQUENCE = 0x0251,
1833 V4L2_CTRL_TYPE_MPEG2_PICTURE = 0x0252,
1834
1835 V4L2_CTRL_TYPE_VP9_COMPRESSED_HDR = 0x0260,
1836 V4L2_CTRL_TYPE_VP9_FRAME = 0x0261,
1837 };
1838
1839 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
1840 struct v4l2_queryctrl {
1841 __u32 id;
1842 __u32 type; /* enum v4l2_ctrl_type */
1843 __u8 name[32]; /* Whatever */
1844 __s32 minimum; /* Note signedness */
1845 __s32 maximum;
1846 __s32 step;
1847 __s32 default_value;
1848 __u32 flags;
1849 __u32 reserved[2];
1850 };
1851
1852 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */
1853 struct v4l2_query_ext_ctrl {
1854 __u32 id;
1855 __u32 type;
1856 char name[32];
1857 __s64 minimum;
1858 __s64 maximum;
1859 __u64 step;
1860 __s64 default_value;
1861 __u32 flags;
1862 __u32 elem_size;
1863 __u32 elems;
1864 __u32 nr_of_dims;
1865 __u32 dims[V4L2_CTRL_MAX_DIMS];
1866 __u32 reserved[32];
1867 };
1868
1869 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
1870 struct v4l2_querymenu {
1871 __u32 id;
1872 __u32 index;
1873 union {
1874 __u8 name[32]; /* Whatever */
1875 __s64 value;
1876 };
1877 __u32 reserved;
1878 } __attribute__ ((packed));
1879
1880 /* Control flags */
1881 #define V4L2_CTRL_FLAG_DISABLED 0x0001
1882 #define V4L2_CTRL_FLAG_GRABBED 0x0002
1883 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004
1884 #define V4L2_CTRL_FLAG_UPDATE 0x0008
1885 #define V4L2_CTRL_FLAG_INACTIVE 0x0010
1886 #define V4L2_CTRL_FLAG_SLIDER 0x0020
1887 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040
1888 #define V4L2_CTRL_FLAG_VOLATILE 0x0080
1889 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100
1890 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200
1891 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400
1892
1893 /* Query flags, to be ORed with the control ID */
1894 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000
1895 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000
1896
1897 /* User-class control IDs defined by V4L2 */
1898 #define V4L2_CID_MAX_CTRLS 1024
1899 /* IDs reserved for driver specific controls */
1900 #define V4L2_CID_PRIVATE_BASE 0x08000000
1901
1902
1903 /*
1904 * T U N I N G
1905 */
1906 struct v4l2_tuner {
1907 __u32 index;
1908 __u8 name[32];
1909 __u32 type; /* enum v4l2_tuner_type */
1910 __u32 capability;
1911 __u32 rangelow;
1912 __u32 rangehigh;
1913 __u32 rxsubchans;
1914 __u32 audmode;
1915 __s32 signal;
1916 __s32 afc;
1917 __u32 reserved[4];
1918 };
1919
1920 struct v4l2_modulator {
1921 __u32 index;
1922 __u8 name[32];
1923 __u32 capability;
1924 __u32 rangelow;
1925 __u32 rangehigh;
1926 __u32 txsubchans;
1927 __u32 type; /* enum v4l2_tuner_type */
1928 __u32 reserved[3];
1929 };
1930
1931 /* Flags for the 'capability' field */
1932 #define V4L2_TUNER_CAP_LOW 0x0001
1933 #define V4L2_TUNER_CAP_NORM 0x0002
1934 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004
1935 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008
1936 #define V4L2_TUNER_CAP_STEREO 0x0010
1937 #define V4L2_TUNER_CAP_LANG2 0x0020
1938 #define V4L2_TUNER_CAP_SAP 0x0020
1939 #define V4L2_TUNER_CAP_LANG1 0x0040
1940 #define V4L2_TUNER_CAP_RDS 0x0080
1941 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100
1942 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200
1943 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400
1944 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800
1945 #define V4L2_TUNER_CAP_1HZ 0x1000
1946
1947 /* Flags for the 'rxsubchans' field */
1948 #define V4L2_TUNER_SUB_MONO 0x0001
1949 #define V4L2_TUNER_SUB_STEREO 0x0002
1950 #define V4L2_TUNER_SUB_LANG2 0x0004
1951 #define V4L2_TUNER_SUB_SAP 0x0004
1952 #define V4L2_TUNER_SUB_LANG1 0x0008
1953 #define V4L2_TUNER_SUB_RDS 0x0010
1954
1955 /* Values for the 'audmode' field */
1956 #define V4L2_TUNER_MODE_MONO 0x0000
1957 #define V4L2_TUNER_MODE_STEREO 0x0001
1958 #define V4L2_TUNER_MODE_LANG2 0x0002
1959 #define V4L2_TUNER_MODE_SAP 0x0002
1960 #define V4L2_TUNER_MODE_LANG1 0x0003
1961 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004
1962
1963 struct v4l2_frequency {
1964 __u32 tuner;
1965 __u32 type; /* enum v4l2_tuner_type */
1966 __u32 frequency;
1967 __u32 reserved[8];
1968 };
1969
1970 #define V4L2_BAND_MODULATION_VSB (1 << 1)
1971 #define V4L2_BAND_MODULATION_FM (1 << 2)
1972 #define V4L2_BAND_MODULATION_AM (1 << 3)
1973
1974 struct v4l2_frequency_band {
1975 __u32 tuner;
1976 __u32 type; /* enum v4l2_tuner_type */
1977 __u32 index;
1978 __u32 capability;
1979 __u32 rangelow;
1980 __u32 rangehigh;
1981 __u32 modulation;
1982 __u32 reserved[9];
1983 };
1984
1985 struct v4l2_hw_freq_seek {
1986 __u32 tuner;
1987 __u32 type; /* enum v4l2_tuner_type */
1988 __u32 seek_upward;
1989 __u32 wrap_around;
1990 __u32 spacing;
1991 __u32 rangelow;
1992 __u32 rangehigh;
1993 __u32 reserved[5];
1994 };
1995
1996 /*
1997 * R D S
1998 */
1999
2000 struct v4l2_rds_data {
2001 __u8 lsb;
2002 __u8 msb;
2003 __u8 block;
2004 } __attribute__ ((packed));
2005
2006 #define V4L2_RDS_BLOCK_MSK 0x7
2007 #define V4L2_RDS_BLOCK_A 0
2008 #define V4L2_RDS_BLOCK_B 1
2009 #define V4L2_RDS_BLOCK_C 2
2010 #define V4L2_RDS_BLOCK_D 3
2011 #define V4L2_RDS_BLOCK_C_ALT 4
2012 #define V4L2_RDS_BLOCK_INVALID 7
2013
2014 #define V4L2_RDS_BLOCK_CORRECTED 0x40
2015 #define V4L2_RDS_BLOCK_ERROR 0x80
2016
2017 /*
2018 * A U D I O
2019 */
2020 struct v4l2_audio {
2021 __u32 index;
2022 __u8 name[32];
2023 __u32 capability;
2024 __u32 mode;
2025 __u32 reserved[2];
2026 };
2027
2028 /* Flags for the 'capability' field */
2029 #define V4L2_AUDCAP_STEREO 0x00001
2030 #define V4L2_AUDCAP_AVL 0x00002
2031
2032 /* Flags for the 'mode' field */
2033 #define V4L2_AUDMODE_AVL 0x00001
2034
2035 struct v4l2_audioout {
2036 __u32 index;
2037 __u8 name[32];
2038 __u32 capability;
2039 __u32 mode;
2040 __u32 reserved[2];
2041 };
2042
2043 /*
2044 * M P E G S E R V I C E S
2045 */
2046 #if 1
2047 #define V4L2_ENC_IDX_FRAME_I (0)
2048 #define V4L2_ENC_IDX_FRAME_P (1)
2049 #define V4L2_ENC_IDX_FRAME_B (2)
2050 #define V4L2_ENC_IDX_FRAME_MASK (0xf)
2051
2052 struct v4l2_enc_idx_entry {
2053 __u64 offset;
2054 __u64 pts;
2055 __u32 length;
2056 __u32 flags;
2057 __u32 reserved[2];
2058 };
2059
2060 #define V4L2_ENC_IDX_ENTRIES (64)
2061 struct v4l2_enc_idx {
2062 __u32 entries;
2063 __u32 entries_cap;
2064 __u32 reserved[4];
2065 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
2066 };
2067
2068
2069 #define V4L2_ENC_CMD_START (0)
2070 #define V4L2_ENC_CMD_STOP (1)
2071 #define V4L2_ENC_CMD_PAUSE (2)
2072 #define V4L2_ENC_CMD_RESUME (3)
2073
2074 /* Flags for V4L2_ENC_CMD_STOP */
2075 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0)
2076
2077 struct v4l2_encoder_cmd {
2078 __u32 cmd;
2079 __u32 flags;
2080 union {
2081 struct {
2082 __u32 data[8];
2083 } raw;
2084 };
2085 };
2086
2087 /* Decoder commands */
2088 #define V4L2_DEC_CMD_START (0)
2089 #define V4L2_DEC_CMD_STOP (1)
2090 #define V4L2_DEC_CMD_PAUSE (2)
2091 #define V4L2_DEC_CMD_RESUME (3)
2092 #define V4L2_DEC_CMD_FLUSH (4)
2093
2094 /* Flags for V4L2_DEC_CMD_START */
2095 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0)
2096
2097 /* Flags for V4L2_DEC_CMD_PAUSE */
2098 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0)
2099
2100 /* Flags for V4L2_DEC_CMD_STOP */
2101 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0)
2102 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1)
2103
2104 /* Play format requirements (returned by the driver): */
2105
2106 /* The decoder has no special format requirements */
2107 #define V4L2_DEC_START_FMT_NONE (0)
2108 /* The decoder requires full GOPs */
2109 #define V4L2_DEC_START_FMT_GOP (1)
2110
2111 /* The structure must be zeroed before use by the application
2112 This ensures it can be extended safely in the future. */
2113 struct v4l2_decoder_cmd {
2114 __u32 cmd;
2115 __u32 flags;
2116 union {
2117 struct {
2118 __u64 pts;
2119 } stop;
2120
2121 struct {
2122 /* 0 or 1000 specifies normal speed,
2123 1 specifies forward single stepping,
2124 -1 specifies backward single stepping,
2125 >1: playback at speed/1000 of the normal speed,
2126 <-1: reverse playback at (-speed/1000) of the normal speed. */
2127 __s32 speed;
2128 __u32 format;
2129 } start;
2130
2131 struct {
2132 __u32 data[16];
2133 } raw;
2134 };
2135 };
2136 #endif
2137
2138
2139 /*
2140 * D A T A S E R V I C E S ( V B I )
2141 *
2142 * Data services API by Michael Schimek
2143 */
2144
2145 /* Raw VBI */
2146 struct v4l2_vbi_format {
2147 __u32 sampling_rate; /* in 1 Hz */
2148 __u32 offset;
2149 __u32 samples_per_line;
2150 __u32 sample_format; /* V4L2_PIX_FMT_* */
2151 __s32 start[2];
2152 __u32 count[2];
2153 __u32 flags; /* V4L2_VBI_* */
2154 __u32 reserved[2]; /* must be zero */
2155 };
2156
2157 /* VBI flags */
2158 #define V4L2_VBI_UNSYNC (1 << 0)
2159 #define V4L2_VBI_INTERLACED (1 << 1)
2160
2161 /* ITU-R start lines for each field */
2162 #define V4L2_VBI_ITU_525_F1_START (1)
2163 #define V4L2_VBI_ITU_525_F2_START (264)
2164 #define V4L2_VBI_ITU_625_F1_START (1)
2165 #define V4L2_VBI_ITU_625_F2_START (314)
2166
2167 /* Sliced VBI
2168 *
2169 * This implements is a proposal V4L2 API to allow SLICED VBI
2170 * required for some hardware encoders. It should change without
2171 * notice in the definitive implementation.
2172 */
2173
2174 struct v4l2_sliced_vbi_format {
2175 __u16 service_set;
2176 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2177 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2178 (equals frame lines 313-336 for 625 line video
2179 standards, 263-286 for 525 line standards) */
2180 __u16 service_lines[2][24];
2181 __u32 io_size;
2182 __u32 reserved[2]; /* must be zero */
2183 };
2184
2185 /* Teletext World System Teletext
2186 (WST), defined on ITU-R BT.653-2 */
2187 #define V4L2_SLICED_TELETEXT_B (0x0001)
2188 /* Video Program System, defined on ETS 300 231*/
2189 #define V4L2_SLICED_VPS (0x0400)
2190 /* Closed Caption, defined on EIA-608 */
2191 #define V4L2_SLICED_CAPTION_525 (0x1000)
2192 /* Wide Screen System, defined on ITU-R BT1119.1 */
2193 #define V4L2_SLICED_WSS_625 (0x4000)
2194
2195 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525)
2196 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
2197
2198 struct v4l2_sliced_vbi_cap {
2199 __u16 service_set;
2200 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2201 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2202 (equals frame lines 313-336 for 625 line video
2203 standards, 263-286 for 525 line standards) */
2204 __u16 service_lines[2][24];
2205 __u32 type; /* enum v4l2_buf_type */
2206 __u32 reserved[3]; /* must be 0 */
2207 };
2208
2209 struct v4l2_sliced_vbi_data {
2210 __u32 id;
2211 __u32 field; /* 0: first field, 1: second field */
2212 __u32 line; /* 1-23 */
2213 __u32 reserved; /* must be 0 */
2214 __u8 data[48];
2215 };
2216
2217 /*
2218 * Sliced VBI data inserted into MPEG Streams
2219 */
2220
2221 /*
2222 * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
2223 *
2224 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
2225 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
2226 * data
2227 *
2228 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
2229 * definitions are not included here. See the MPEG-2 specifications for details
2230 * on these headers.
2231 */
2232
2233 /* Line type IDs */
2234 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1)
2235 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4)
2236 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5)
2237 #define V4L2_MPEG_VBI_IVTV_VPS (7)
2238
2239 struct v4l2_mpeg_vbi_itv0_line {
2240 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */
2241 __u8 data[42]; /* Sliced VBI data for the line */
2242 } __attribute__ ((packed));
2243
2244 struct v4l2_mpeg_vbi_itv0 {
2245 __le32 linemask[2]; /* Bitmasks of VBI service lines present */
2246 struct v4l2_mpeg_vbi_itv0_line line[35];
2247 } __attribute__ ((packed));
2248
2249 struct v4l2_mpeg_vbi_ITV0 {
2250 struct v4l2_mpeg_vbi_itv0_line line[36];
2251 } __attribute__ ((packed));
2252
2253 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0"
2254 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0"
2255
2256 struct v4l2_mpeg_vbi_fmt_ivtv {
2257 __u8 magic[4];
2258 union {
2259 struct v4l2_mpeg_vbi_itv0 itv0;
2260 struct v4l2_mpeg_vbi_ITV0 ITV0;
2261 };
2262 } __attribute__ ((packed));
2263
2264 /*
2265 * A G G R E G A T E S T R U C T U R E S
2266 */
2267
2268 /**
2269 * struct v4l2_plane_pix_format - additional, per-plane format definition
2270 * @sizeimage: maximum size in bytes required for data, for which
2271 * this plane will be used
2272 * @bytesperline: distance in bytes between the leftmost pixels in two
2273 * adjacent lines
2274 * @reserved: drivers and applications must zero this array
2275 */
2276 struct v4l2_plane_pix_format {
2277 __u32 sizeimage;
2278 __u32 bytesperline;
2279 __u16 reserved[6];
2280 } __attribute__ ((packed));
2281
2282 /**
2283 * struct v4l2_pix_format_mplane - multiplanar format definition
2284 * @width: image width in pixels
2285 * @height: image height in pixels
2286 * @pixelformat: little endian four character code (fourcc)
2287 * @field: enum v4l2_field; field order (for interlaced video)
2288 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat
2289 * @plane_fmt: per-plane information
2290 * @num_planes: number of planes for this format
2291 * @flags: format flags (V4L2_PIX_FMT_FLAG_*)
2292 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding
2293 * @hsv_enc: enum v4l2_hsv_encoding, HSV encoding
2294 * @quantization: enum v4l2_quantization, colorspace quantization
2295 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function
2296 * @reserved: drivers and applications must zero this array
2297 */
2298 struct v4l2_pix_format_mplane {
2299 __u32 width;
2300 __u32 height;
2301 __u32 pixelformat;
2302 __u32 field;
2303 __u32 colorspace;
2304
2305 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES];
2306 __u8 num_planes;
2307 __u8 flags;
2308 union {
2309 __u8 ycbcr_enc;
2310 __u8 hsv_enc;
2311 };
2312 __u8 quantization;
2313 __u8 xfer_func;
2314 __u8 reserved[7];
2315 } __attribute__ ((packed));
2316
2317 /**
2318 * struct v4l2_sdr_format - SDR format definition
2319 * @pixelformat: little endian four character code (fourcc)
2320 * @buffersize: maximum size in bytes required for data
2321 * @reserved: drivers and applications must zero this array
2322 */
2323 struct v4l2_sdr_format {
2324 __u32 pixelformat;
2325 __u32 buffersize;
2326 __u8 reserved[24];
2327 } __attribute__ ((packed));
2328
2329 /**
2330 * struct v4l2_meta_format - metadata format definition
2331 * @dataformat: little endian four character code (fourcc)
2332 * @buffersize: maximum size in bytes required for data
2333 */
2334 struct v4l2_meta_format {
2335 __u32 dataformat;
2336 __u32 buffersize;
2337 } __attribute__ ((packed));
2338
2339 /**
2340 * struct v4l2_format - stream data format
2341 * @type: enum v4l2_buf_type; type of the data stream
2342 * @pix: definition of an image format
2343 * @pix_mp: definition of a multiplanar image format
2344 * @win: definition of an overlaid image
2345 * @vbi: raw VBI capture or output parameters
2346 * @sliced: sliced VBI capture or output parameters
2347 * @raw_data: placeholder for future extensions and custom formats
2348 * @fmt: union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr, @meta
2349 * and @raw_data
2350 */
2351 struct v4l2_format {
2352 __u32 type;
2353 union {
2354 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
2355 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
2356 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
2357 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */
2358 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
2359 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */
2360 struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */
2361 __u8 raw_data[200]; /* user-defined */
2362 } fmt;
2363 };
2364
2365 /* Stream type-dependent parameters
2366 */
2367 struct v4l2_streamparm {
2368 __u32 type; /* enum v4l2_buf_type */
2369 union {
2370 struct v4l2_captureparm capture;
2371 struct v4l2_outputparm output;
2372 __u8 raw_data[200]; /* user-defined */
2373 } parm;
2374 };
2375
2376 /*
2377 * E V E N T S
2378 */
2379
2380 #define V4L2_EVENT_ALL 0
2381 #define V4L2_EVENT_VSYNC 1
2382 #define V4L2_EVENT_EOS 2
2383 #define V4L2_EVENT_CTRL 3
2384 #define V4L2_EVENT_FRAME_SYNC 4
2385 #define V4L2_EVENT_SOURCE_CHANGE 5
2386 #define V4L2_EVENT_MOTION_DET 6
2387 #define V4L2_EVENT_PRIVATE_START 0x08000000
2388
2389 /* Payload for V4L2_EVENT_VSYNC */
2390 struct v4l2_event_vsync {
2391 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
2392 __u8 field;
2393 } __attribute__ ((packed));
2394
2395 /* Payload for V4L2_EVENT_CTRL */
2396 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0)
2397 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1)
2398 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2)
2399
2400 struct v4l2_event_ctrl {
2401 __u32 changes;
2402 __u32 type;
2403 union {
2404 __s32 value;
2405 __s64 value64;
2406 };
2407 __u32 flags;
2408 __s32 minimum;
2409 __s32 maximum;
2410 __s32 step;
2411 __s32 default_value;
2412 };
2413
2414 struct v4l2_event_frame_sync {
2415 __u32 frame_sequence;
2416 };
2417
2418 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0)
2419
2420 struct v4l2_event_src_change {
2421 __u32 changes;
2422 };
2423
2424 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0)
2425
2426 /**
2427 * struct v4l2_event_motion_det - motion detection event
2428 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
2429 * frame_sequence field is valid.
2430 * @frame_sequence: the frame sequence number associated with this event.
2431 * @region_mask: which regions detected motion.
2432 */
2433 struct v4l2_event_motion_det {
2434 __u32 flags;
2435 __u32 frame_sequence;
2436 __u32 region_mask;
2437 };
2438
2439 struct v4l2_event {
2440 __u32 type;
2441 union {
2442 struct v4l2_event_vsync vsync;
2443 struct v4l2_event_ctrl ctrl;
2444 struct v4l2_event_frame_sync frame_sync;
2445 struct v4l2_event_src_change src_change;
2446 struct v4l2_event_motion_det motion_det;
2447 __u8 data[64];
2448 } u;
2449 __u32 pending;
2450 __u32 sequence;
2451 #ifdef __KERNEL__
2452 struct __kernel_timespec timestamp;
2453 #else
2454 struct timespec timestamp;
2455 #endif
2456 __u32 id;
2457 __u32 reserved[8];
2458 };
2459
2460 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0)
2461 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1)
2462
2463 struct v4l2_event_subscription {
2464 __u32 type;
2465 __u32 id;
2466 __u32 flags;
2467 __u32 reserved[5];
2468 };
2469
2470 /*
2471 * A D V A N C E D D E B U G G I N G
2472 *
2473 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
2474 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
2475 */
2476
2477 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
2478
2479 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */
2480 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */
2481
2482 /* The following four defines are no longer in use */
2483 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
2484 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */
2485 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */
2486 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */
2487
2488 struct v4l2_dbg_match {
2489 __u32 type; /* Match type */
2490 union { /* Match this chip, meaning determined by type */
2491 __u32 addr;
2492 char name[32];
2493 };
2494 } __attribute__ ((packed));
2495
2496 struct v4l2_dbg_register {
2497 struct v4l2_dbg_match match;
2498 __u32 size; /* register size in bytes */
2499 __u64 reg;
2500 __u64 val;
2501 } __attribute__ ((packed));
2502
2503 #define V4L2_CHIP_FL_READABLE (1 << 0)
2504 #define V4L2_CHIP_FL_WRITABLE (1 << 1)
2505
2506 /* VIDIOC_DBG_G_CHIP_INFO */
2507 struct v4l2_dbg_chip_info {
2508 struct v4l2_dbg_match match;
2509 char name[32];
2510 __u32 flags;
2511 __u32 reserved[32];
2512 } __attribute__ ((packed));
2513
2514 /**
2515 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
2516 * @index: on return, index of the first created buffer
2517 * @count: entry: number of requested buffers,
2518 * return: number of created buffers
2519 * @memory: enum v4l2_memory; buffer memory type
2520 * @format: frame format, for which buffers are requested
2521 * @capabilities: capabilities of this buffer type.
2522 * @flags: additional buffer management attributes (ignored unless the
2523 * queue has V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS capability
2524 * and configured for MMAP streaming I/O).
2525 * @reserved: future extensions
2526 */
2527 struct v4l2_create_buffers {
2528 __u32 index;
2529 __u32 count;
2530 __u32 memory;
2531 struct v4l2_format format;
2532 __u32 capabilities;
2533 __u32 flags;
2534 __u32 reserved[6];
2535 };
2536
2537 /*
2538 * 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
2539 *
2540 */
2541 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability)
2542 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc)
2543 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format)
2544 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format)
2545 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers)
2546 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer)
2547 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer)
2548 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer)
2549 #define VIDIOC_OVERLAY _IOW('V', 14, int)
2550 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer)
2551 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer)
2552 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer)
2553 #define VIDIOC_STREAMON _IOW('V', 18, int)
2554 #define VIDIOC_STREAMOFF _IOW('V', 19, int)
2555 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm)
2556 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm)
2557 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id)
2558 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id)
2559 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard)
2560 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input)
2561 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control)
2562 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control)
2563 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner)
2564 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner)
2565 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio)
2566 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio)
2567 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl)
2568 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu)
2569 #define VIDIOC_G_INPUT _IOR('V', 38, int)
2570 #define VIDIOC_S_INPUT _IOWR('V', 39, int)
2571 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid)
2572 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid)
2573 #define VIDIOC_G_OUTPUT _IOR('V', 46, int)
2574 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int)
2575 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output)
2576 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout)
2577 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout)
2578 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator)
2579 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator)
2580 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency)
2581 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency)
2582 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap)
2583 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop)
2584 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop)
2585 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression)
2586 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression)
2587 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id)
2588 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format)
2589 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio)
2590 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout)
2591 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */
2592 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */
2593 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
2594 #define VIDIOC_LOG_STATUS _IO('V', 70)
2595 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls)
2596 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls)
2597 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls)
2598 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum)
2599 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
2600 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx)
2601 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd)
2602 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd)
2603
2604 /*
2605 * Experimental, meant for debugging, testing and internal use.
2606 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
2607 * You must be root to use these ioctls. Never use these in applications!
2608 */
2609 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register)
2610 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register)
2611
2612 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek)
2613 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings)
2614 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings)
2615 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event)
2616 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription)
2617 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
2618 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers)
2619 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer)
2620 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection)
2621 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection)
2622 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd)
2623 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd)
2624 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings)
2625 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings)
2626 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap)
2627 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band)
2628
2629 /*
2630 * Experimental, meant for debugging, testing and internal use.
2631 * Never use this in applications!
2632 */
2633 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info)
2634
2635 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl)
2636
2637 /* Reminder: when adding new ioctls please add support for them to
2638 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */
2639
2640 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */
2641
2642 /* Deprecated definitions kept for backwards compatibility */
2643 #ifndef __KERNEL__
2644 #define V4L2_PIX_FMT_HM12 V4L2_PIX_FMT_NV12_16L16
2645 #define V4L2_PIX_FMT_SUNXI_TILED_NV12 V4L2_PIX_FMT_NV12_32L32
2646 #endif
2647
2648 #endif /* _UAPI__LINUX_VIDEODEV2_H */
2649