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 #ifdef __KERNEL__
250 /*
251 * Largest supported colorspace value, assigned by the compiler, used
252 * by the framework to check for invalid values.
253 */
254 V4L2_COLORSPACE_LAST,
255 #endif
256 };
257
258 /*
259 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace.
260 * This depends on whether this is a SDTV image (use SMPTE 170M), an
261 * HDTV image (use Rec. 709), or something else (use sRGB).
262 */
263 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \
264 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \
265 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB))
266
267 enum v4l2_xfer_func {
268 /*
269 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions
270 * for the various colorspaces:
271 *
272 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
273 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and
274 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709
275 *
276 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB
277 *
278 * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB
279 *
280 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M
281 *
282 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE
283 *
284 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3
285 */
286 V4L2_XFER_FUNC_DEFAULT = 0,
287 V4L2_XFER_FUNC_709 = 1,
288 V4L2_XFER_FUNC_SRGB = 2,
289 V4L2_XFER_FUNC_OPRGB = 3,
290 V4L2_XFER_FUNC_SMPTE240M = 4,
291 V4L2_XFER_FUNC_NONE = 5,
292 V4L2_XFER_FUNC_DCI_P3 = 6,
293 V4L2_XFER_FUNC_SMPTE2084 = 7,
294 #ifdef __KERNEL__
295 /*
296 * Largest supported transfer function value, assigned by the compiler,
297 * used by the framework to check for invalid values.
298 */
299 V4L2_XFER_FUNC_LAST,
300 #endif
301 };
302
303 /*
304 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function.
305 * This depends on the colorspace.
306 */
307 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \
308 ((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \
309 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \
310 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \
311 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \
312 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \
313 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709)))))
314
315 enum v4l2_ycbcr_encoding {
316 /*
317 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the
318 * various colorspaces:
319 *
320 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
321 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB,
322 * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601
323 *
324 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709
325 *
326 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020
327 *
328 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M
329 */
330 V4L2_YCBCR_ENC_DEFAULT = 0,
331
332 /* ITU-R 601 -- SDTV */
333 V4L2_YCBCR_ENC_601 = 1,
334
335 /* Rec. 709 -- HDTV */
336 V4L2_YCBCR_ENC_709 = 2,
337
338 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */
339 V4L2_YCBCR_ENC_XV601 = 3,
340
341 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */
342 V4L2_YCBCR_ENC_XV709 = 4,
343
344 #ifndef __KERNEL__
345 /*
346 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added
347 * originally due to a misunderstanding of the sYCC standard. It should
348 * not be used, instead use V4L2_YCBCR_ENC_601.
349 */
350 V4L2_YCBCR_ENC_SYCC = 5,
351 #endif
352
353 /* BT.2020 Non-constant Luminance Y'CbCr */
354 V4L2_YCBCR_ENC_BT2020 = 6,
355
356 /* BT.2020 Constant Luminance Y'CbcCrc */
357 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7,
358
359 /* SMPTE 240M -- Obsolete HDTV */
360 V4L2_YCBCR_ENC_SMPTE240M = 8,
361 #ifdef __KERNEL__
362 /*
363 * Largest supported encoding value, assigned by the compiler, used by
364 * the framework to check for invalid values.
365 */
366 V4L2_YCBCR_ENC_LAST,
367 #endif
368 };
369
370 /*
371 * enum v4l2_hsv_encoding values should not collide with the ones from
372 * enum v4l2_ycbcr_encoding.
373 */
374 enum v4l2_hsv_encoding {
375
376 /* Hue mapped to 0 - 179 */
377 V4L2_HSV_ENC_180 = 128,
378
379 /* Hue mapped to 0-255 */
380 V4L2_HSV_ENC_256 = 129,
381 };
382
383 /*
384 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding.
385 * This depends on the colorspace.
386 */
387 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \
388 (((colsp) == V4L2_COLORSPACE_REC709 || \
389 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \
390 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \
391 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \
392 V4L2_YCBCR_ENC_601)))
393
394 enum v4l2_quantization {
395 /*
396 * The default for R'G'B' quantization is always full range.
397 * For Y'CbCr the quantization is always limited range, except
398 * for COLORSPACE_JPEG: this is full range.
399 */
400 V4L2_QUANTIZATION_DEFAULT = 0,
401 V4L2_QUANTIZATION_FULL_RANGE = 1,
402 V4L2_QUANTIZATION_LIM_RANGE = 2,
403 };
404
405 /*
406 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization.
407 * This depends on whether the image is RGB or not, the colorspace.
408 * The Y'CbCr encoding is not used anymore, but is still there for backwards
409 * compatibility.
410 */
411 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \
412 (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \
413 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE)
414
415 /*
416 * Deprecated names for opRGB colorspace (IEC 61966-2-5)
417 *
418 * WARNING: Please don't use these deprecated defines in your code, as
419 * there is a chance we have to remove them in the future.
420 */
421 #ifndef __KERNEL__
422 #define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB
423 #define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB
424 #endif
425
426 enum v4l2_priority {
427 V4L2_PRIORITY_UNSET = 0, /* not initialized */
428 V4L2_PRIORITY_BACKGROUND = 1,
429 V4L2_PRIORITY_INTERACTIVE = 2,
430 V4L2_PRIORITY_RECORD = 3,
431 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE,
432 };
433
434 struct v4l2_rect {
435 __s32 left;
436 __s32 top;
437 __u32 width;
438 __u32 height;
439 };
440
441 struct v4l2_fract {
442 __u32 numerator;
443 __u32 denominator;
444 };
445
446 struct v4l2_area {
447 __u32 width;
448 __u32 height;
449 };
450
451 /**
452 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
453 *
454 * @driver: name of the driver module (e.g. "bttv")
455 * @card: name of the card (e.g. "Hauppauge WinTV")
456 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) )
457 * @version: KERNEL_VERSION
458 * @capabilities: capabilities of the physical device as a whole
459 * @device_caps: capabilities accessed via this particular device (node)
460 * @reserved: reserved fields for future extensions
461 */
462 struct v4l2_capability {
463 __u8 driver[16];
464 __u8 card[32];
465 __u8 bus_info[32];
466 __u32 version;
467 __u32 capabilities;
468 __u32 device_caps;
469 __u32 reserved[3];
470 };
471
472 /* Values for 'capabilities' field */
473 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */
474 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */
475 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */
476 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */
477 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */
478 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */
479 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */
480 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */
481 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */
482 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */
483 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */
484
485 /* Is a video capture device that supports multiplanar formats */
486 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000
487 /* Is a video output device that supports multiplanar formats */
488 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000
489 /* Is a video mem-to-mem device that supports multiplanar formats */
490 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000
491 /* Is a video mem-to-mem device */
492 #define V4L2_CAP_VIDEO_M2M 0x00008000
493
494 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */
495 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */
496 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */
497 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */
498
499 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */
500 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */
501 #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */
502 #define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */
503
504 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
505 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */
506 #define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */
507
508 #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */
509
510 #define V4L2_CAP_IO_MC 0x20000000 /* Is input/output controlled by the media controller */
511
512 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */
513
514 /*
515 * V I D E O I M A G E F O R M A T
516 */
517 struct v4l2_pix_format {
518 __u32 width;
519 __u32 height;
520 __u32 pixelformat;
521 __u32 field; /* enum v4l2_field */
522 __u32 bytesperline; /* for padding, zero if unused */
523 __u32 sizeimage;
524 __u32 colorspace; /* enum v4l2_colorspace */
525 __u32 priv; /* private data, depends on pixelformat */
526 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */
527 union {
528 /* enum v4l2_ycbcr_encoding */
529 __u32 ycbcr_enc;
530 /* enum v4l2_hsv_encoding */
531 __u32 hsv_enc;
532 };
533 __u32 quantization; /* enum v4l2_quantization */
534 __u32 xfer_func; /* enum v4l2_xfer_func */
535 };
536
537 /* Pixel format FOURCC depth Description */
538
539 /* RGB formats (1 or 2 bytes per pixel) */
540 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */
541 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */
542 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */
543 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */
544 #define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2') /* 16 rrrrgggg bbbbaaaa */
545 #define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16 rrrrgggg bbbbxxxx */
546 #define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16 aaaabbbb ggggrrrr */
547 #define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16 xxxxbbbb ggggrrrr */
548 #define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('G', 'A', '1', '2') /* 16 bbbbgggg rrrraaaa */
549 #define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16 bbbbgggg rrrrxxxx */
550 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */
551 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */
552 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */
553 #define V4L2_PIX_FMT_RGBA555 v4l2_fourcc('R', 'A', '1', '5') /* 16 RGBA-5-5-5-1 */
554 #define V4L2_PIX_FMT_RGBX555 v4l2_fourcc('R', 'X', '1', '5') /* 16 RGBX-5-5-5-1 */
555 #define V4L2_PIX_FMT_ABGR555 v4l2_fourcc('A', 'B', '1', '5') /* 16 ABGR-1-5-5-5 */
556 #define V4L2_PIX_FMT_XBGR555 v4l2_fourcc('X', 'B', '1', '5') /* 16 XBGR-1-5-5-5 */
557 #define V4L2_PIX_FMT_BGRA555 v4l2_fourcc('B', 'A', '1', '5') /* 16 BGRA-5-5-5-1 */
558 #define V4L2_PIX_FMT_BGRX555 v4l2_fourcc('B', 'X', '1', '5') /* 16 BGRX-5-5-5-1 */
559 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */
560 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */
561 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */
562 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */
563 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */
564
565 /* RGB formats (3 or 4 bytes per pixel) */
566 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */
567 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */
568 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */
569 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */
570 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */
571 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */
572 #define V4L2_PIX_FMT_BGRA32 v4l2_fourcc('R', 'A', '2', '4') /* 32 ABGR-8-8-8-8 */
573 #define V4L2_PIX_FMT_BGRX32 v4l2_fourcc('R', 'X', '2', '4') /* 32 XBGR-8-8-8-8 */
574 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */
575 #define V4L2_PIX_FMT_RGBA32 v4l2_fourcc('A', 'B', '2', '4') /* 32 RGBA-8-8-8-8 */
576 #define V4L2_PIX_FMT_RGBX32 v4l2_fourcc('X', 'B', '2', '4') /* 32 RGBX-8-8-8-8 */
577 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */
578 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */
579 #define V4L2_PIX_FMT_RGBX1010102 v4l2_fourcc('R', 'X', '3', '0') /* 32 RGBX-10-10-10-2 */
580 #define V4L2_PIX_FMT_RGBA1010102 v4l2_fourcc('R', 'A', '3', '0') /* 32 RGBA-10-10-10-2 */
581 #define V4L2_PIX_FMT_ARGB2101010 v4l2_fourcc('A', 'R', '3', '0') /* 32 ARGB-2-10-10-10 */
582
583 /* RGB formats (6 or 8 bytes per pixel) */
584 #define V4L2_PIX_FMT_BGR48_12 v4l2_fourcc('B', '3', '1', '2') /* 48 BGR 12-bit per component */
585 #define V4L2_PIX_FMT_ABGR64_12 v4l2_fourcc('B', '4', '1', '2') /* 64 BGRA 12-bit per component */
586
587 /* Grey formats */
588 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */
589 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */
590 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */
591 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */
592 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */
593 #define V4L2_PIX_FMT_Y012 v4l2_fourcc('Y', '0', '1', '2') /* 12 Greyscale */
594 #define V4L2_PIX_FMT_Y14 v4l2_fourcc('Y', '1', '4', ' ') /* 14 Greyscale */
595 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */
596 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */
597
598 /* Grey bit-packed formats */
599 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */
600 #define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */
601 #define V4L2_PIX_FMT_IPU3_Y10 v4l2_fourcc('i', 'p', '3', 'y') /* IPU3 packed 10-bit greyscale */
602 #define V4L2_PIX_FMT_Y12P v4l2_fourcc('Y', '1', '2', 'P') /* 12 Greyscale, MIPI RAW12 packed */
603 #define V4L2_PIX_FMT_Y14P v4l2_fourcc('Y', '1', '4', 'P') /* 14 Greyscale, MIPI RAW14 packed */
604
605 /* Palette formats */
606 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */
607
608 /* Chrominance formats */
609 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */
610
611 /* Luminance+Chrominance formats */
612 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */
613 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */
614 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
615 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */
616 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */
617 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */
618 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */
619 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */
620 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */
621 #define V4L2_PIX_FMT_YUV24 v4l2_fourcc('Y', 'U', 'V', '3') /* 24 YUV-8-8-8 */
622 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */
623 #define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */
624 #define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */
625 #define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */
626 #define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */
627 #define V4L2_PIX_FMT_YUVA32 v4l2_fourcc('Y', 'U', 'V', 'A') /* 32 YUVA-8-8-8-8 */
628 #define V4L2_PIX_FMT_YUVX32 v4l2_fourcc('Y', 'U', 'V', 'X') /* 32 YUVX-8-8-8-8 */
629 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */
630 #define V4L2_PIX_FMT_YUV48_12 v4l2_fourcc('Y', '3', '1', '2') /* 48 YUV 4:4:4 12-bit per component */
631
632 /*
633 * YCbCr packed format. For each Y2xx format, xx bits of valid data occupy the MSBs
634 * of the 16 bit components, and 16-xx bits of zero padding occupy the LSBs.
635 */
636 #define V4L2_PIX_FMT_Y210 v4l2_fourcc('Y', '2', '1', '0') /* 32 YUYV 4:2:2 */
637 #define V4L2_PIX_FMT_Y212 v4l2_fourcc('Y', '2', '1', '2') /* 32 YUYV 4:2:2 */
638 #define V4L2_PIX_FMT_Y216 v4l2_fourcc('Y', '2', '1', '6') /* 32 YUYV 4:2:2 */
639
640 /* two planes -- one Y, one Cr + Cb interleaved */
641 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */
642 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */
643 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */
644 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */
645 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */
646 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */
647 #define V4L2_PIX_FMT_P010 v4l2_fourcc('P', '0', '1', '0') /* 24 Y/CbCr 4:2:0 10-bit per component */
648 #define V4L2_PIX_FMT_P012 v4l2_fourcc('P', '0', '1', '2') /* 24 Y/CbCr 4:2:0 12-bit per component */
649
650 /* two non contiguous planes - one Y, one Cr + Cb interleaved */
651 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */
652 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */
653 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */
654 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */
655 #define V4L2_PIX_FMT_P012M v4l2_fourcc('P', 'M', '1', '2') /* 24 Y/CbCr 4:2:0 12-bit per component */
656
657 /* three planes - Y Cb, Cr */
658 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */
659 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */
660 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */
661 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */
662 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */
663 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */
664
665 /* three non contiguous planes - Y, Cb, Cr */
666 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */
667 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */
668 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */
669 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */
670 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */
671 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */
672
673 /* Tiled YUV formats */
674 #define V4L2_PIX_FMT_NV12_4L4 v4l2_fourcc('V', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 4x4 tiles */
675 #define V4L2_PIX_FMT_NV12_16L16 v4l2_fourcc('H', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */
676 #define V4L2_PIX_FMT_NV12_32L32 v4l2_fourcc('S', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 32x32 tiles */
677 #define V4L2_PIX_FMT_NV15_4L4 v4l2_fourcc('V', 'T', '1', '5') /* 15 Y/CbCr 4:2:0 10-bit 4x4 tiles */
678 #define V4L2_PIX_FMT_P010_4L4 v4l2_fourcc('T', '0', '1', '0') /* 12 Y/CbCr 4:2:0 10-bit 4x4 macroblocks */
679 #define V4L2_PIX_FMT_NV12_8L128 v4l2_fourcc('A', 'T', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */
680 #define V4L2_PIX_FMT_NV12_10BE_8L128 v4l2_fourcc_be('A', 'X', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */
681
682 /* Tiled YUV formats, non contiguous planes */
683 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 tiles */
684 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */
685 #define V4L2_PIX_FMT_NV12M_8L128 v4l2_fourcc('N', 'A', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */
686 #define V4L2_PIX_FMT_NV12M_10BE_8L128 v4l2_fourcc_be('N', 'T', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */
687
688 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
689 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */
690 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */
691 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */
692 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */
693 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */
694 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */
695 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */
696 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */
697 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */
698 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A')
699 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A')
700 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A')
701 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A')
702 /* 10bit raw bayer a-law compressed to 8 bits */
703 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
704 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
705 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
706 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
707 /* 10bit raw bayer DPCM compressed to 8 bits */
708 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
709 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
710 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
711 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
712 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */
713 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */
714 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */
715 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */
716 /* 12bit raw bayer packed, 6 bytes for every 4 pixels */
717 #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C')
718 #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C')
719 #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C')
720 #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C')
721 #define V4L2_PIX_FMT_SBGGR14 v4l2_fourcc('B', 'G', '1', '4') /* 14 BGBG.. GRGR.. */
722 #define V4L2_PIX_FMT_SGBRG14 v4l2_fourcc('G', 'B', '1', '4') /* 14 GBGB.. RGRG.. */
723 #define V4L2_PIX_FMT_SGRBG14 v4l2_fourcc('G', 'R', '1', '4') /* 14 GRGR.. BGBG.. */
724 #define V4L2_PIX_FMT_SRGGB14 v4l2_fourcc('R', 'G', '1', '4') /* 14 RGRG.. GBGB.. */
725 /* 14bit raw bayer packed, 7 bytes for every 4 pixels */
726 #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E')
727 #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E')
728 #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E')
729 #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E')
730 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */
731 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */
732 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */
733 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */
734
735 /* HSV formats */
736 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3')
737 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4')
738
739 /* compressed formats */
740 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */
741 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */
742 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */
743 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
744 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
745 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
746 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
747 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */
748 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */
749 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */
750 #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */
751 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */
752 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */
753 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
754 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
755 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */
756 #define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') /* VP8 parsed frame */
757 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */
758 #define V4L2_PIX_FMT_VP9_FRAME v4l2_fourcc('V', 'P', '9', 'F') /* VP9 parsed frame */
759 #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */
760 #define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */
761 #define V4L2_PIX_FMT_FWHT_STATELESS v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */
762 #define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */
763 #define V4L2_PIX_FMT_HEVC_SLICE v4l2_fourcc('S', '2', '6', '5') /* HEVC parsed slices */
764 #define V4L2_PIX_FMT_AV1_FRAME v4l2_fourcc('A', 'V', '1', 'F') /* AV1 parsed frame */
765 #define V4L2_PIX_FMT_SPK v4l2_fourcc('S', 'P', 'K', '0') /* Sorenson Spark */
766 #define V4L2_PIX_FMT_RV30 v4l2_fourcc('R', 'V', '3', '0') /* RealVideo 8 */
767 #define V4L2_PIX_FMT_RV40 v4l2_fourcc('R', 'V', '4', '0') /* RealVideo 9 & 10 */
768
769 /* Vendor-specific formats */
770 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
771 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
772 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
773 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
774 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
775 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
776 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
777 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
778 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
779 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
780 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
781 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
782 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
783 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */
784 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
785 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
786 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
787 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
788 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
789 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
790 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
791 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
792 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
793 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
794 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */
795 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
796 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */
797 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
798 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
799 #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */
800 #define V4L2_PIX_FMT_MM21 v4l2_fourcc('M', 'M', '2', '1') /* Mediatek 8-bit block mode, two non-contiguous planes */
801 #define V4L2_PIX_FMT_MT2110T v4l2_fourcc('M', 'T', '2', 'T') /* Mediatek 10-bit block tile mode */
802 #define V4L2_PIX_FMT_MT2110R v4l2_fourcc('M', 'T', '2', 'R') /* Mediatek 10-bit block raster mode */
803 #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */
804 #define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */
805 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* BTTV 8-bit dithered RGB */
806 #define V4L2_PIX_FMT_QC08C v4l2_fourcc('Q', '0', '8', 'C') /* Qualcomm 8-bit compressed */
807 #define V4L2_PIX_FMT_QC10C v4l2_fourcc('Q', '1', '0', 'C') /* Qualcomm 10-bit compressed */
808 #define V4L2_PIX_FMT_AJPG v4l2_fourcc('A', 'J', 'P', 'G') /* Aspeed JPEG */
809 #define V4L2_PIX_FMT_HEXTILE v4l2_fourcc('H', 'X', 'T', 'L') /* Hextile compressed */
810
811 /* 10bit raw packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */
812 #define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */
813 #define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */
814 #define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */
815 #define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */
816
817 /* SDR formats - used only for Software Defined Radio devices */
818 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
819 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
820 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */
821 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */
822 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
823 #define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */
824 #define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */
825 #define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */
826
827 /* Touch formats - used for Touch devices */
828 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */
829 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */
830 #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */
831 #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */
832
833 /* Meta-data formats */
834 #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */
835 #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
836 #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */
837 #define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */
838 #define V4L2_META_FMT_VIVID v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */
839
840 /* Vendor specific - used for RK_ISP1 camera sub-system */
841 #define V4L2_META_FMT_RK_ISP1_PARAMS v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */
842 #define V4L2_META_FMT_RK_ISP1_STAT_3A v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */
843
844 #ifdef __KERNEL__
845 /*
846 * Line-based metadata formats. Remember to update v4l_fill_fmtdesc() when
847 * adding new ones!
848 */
849 #define V4L2_META_FMT_GENERIC_8 v4l2_fourcc('M', 'E', 'T', '8') /* Generic 8-bit metadata */
850 #define V4L2_META_FMT_GENERIC_CSI2_10 v4l2_fourcc('M', 'C', '1', 'A') /* 10-bit CSI-2 packed 8-bit metadata */
851 #define V4L2_META_FMT_GENERIC_CSI2_12 v4l2_fourcc('M', 'C', '1', 'C') /* 12-bit CSI-2 packed 8-bit metadata */
852 #define V4L2_META_FMT_GENERIC_CSI2_14 v4l2_fourcc('M', 'C', '1', 'E') /* 14-bit CSI-2 packed 8-bit metadata */
853 #define V4L2_META_FMT_GENERIC_CSI2_16 v4l2_fourcc('M', 'C', '1', 'G') /* 16-bit CSI-2 packed 8-bit metadata */
854 #define V4L2_META_FMT_GENERIC_CSI2_20 v4l2_fourcc('M', 'C', '1', 'K') /* 20-bit CSI-2 packed 8-bit metadata */
855 #define V4L2_META_FMT_GENERIC_CSI2_24 v4l2_fourcc('M', 'C', '1', 'O') /* 24-bit CSI-2 packed 8-bit metadata */
856 #endif
857
858 /* priv field value to indicates that subsequent fields are valid. */
859 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe
860
861 /* Flags */
862 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001
863 #define V4L2_PIX_FMT_FLAG_SET_CSC 0x00000002
864
865 /*
866 * F O R M A T E N U M E R A T I O N
867 */
868 struct v4l2_fmtdesc {
869 __u32 index; /* Format number */
870 __u32 type; /* enum v4l2_buf_type */
871 __u32 flags;
872 __u8 description[32]; /* Description string */
873 __u32 pixelformat; /* Format fourcc */
874 __u32 mbus_code; /* Media bus code */
875 __u32 reserved[3];
876 };
877
878 #define V4L2_FMT_FLAG_COMPRESSED 0x0001
879 #define V4L2_FMT_FLAG_EMULATED 0x0002
880 #define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM 0x0004
881 #define V4L2_FMT_FLAG_DYN_RESOLUTION 0x0008
882 #define V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL 0x0010
883 #define V4L2_FMT_FLAG_CSC_COLORSPACE 0x0020
884 #define V4L2_FMT_FLAG_CSC_XFER_FUNC 0x0040
885 #define V4L2_FMT_FLAG_CSC_YCBCR_ENC 0x0080
886 #define V4L2_FMT_FLAG_CSC_HSV_ENC V4L2_FMT_FLAG_CSC_YCBCR_ENC
887 #define V4L2_FMT_FLAG_CSC_QUANTIZATION 0x0100
888 #define V4L2_FMT_FLAG_META_LINE_BASED 0x0200
889
890 /* Frame Size and frame rate enumeration */
891 /*
892 * F R A M E S I Z E E N U M E R A T I O N
893 */
894 enum v4l2_frmsizetypes {
895 V4L2_FRMSIZE_TYPE_DISCRETE = 1,
896 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2,
897 V4L2_FRMSIZE_TYPE_STEPWISE = 3,
898 };
899
900 struct v4l2_frmsize_discrete {
901 __u32 width; /* Frame width [pixel] */
902 __u32 height; /* Frame height [pixel] */
903 };
904
905 struct v4l2_frmsize_stepwise {
906 __u32 min_width; /* Minimum frame width [pixel] */
907 __u32 max_width; /* Maximum frame width [pixel] */
908 __u32 step_width; /* Frame width step size [pixel] */
909 __u32 min_height; /* Minimum frame height [pixel] */
910 __u32 max_height; /* Maximum frame height [pixel] */
911 __u32 step_height; /* Frame height step size [pixel] */
912 };
913
914 struct v4l2_frmsizeenum {
915 __u32 index; /* Frame size number */
916 __u32 pixel_format; /* Pixel format */
917 __u32 type; /* Frame size type the device supports. */
918
919 union { /* Frame size */
920 struct v4l2_frmsize_discrete discrete;
921 struct v4l2_frmsize_stepwise stepwise;
922 };
923
924 __u32 reserved[2]; /* Reserved space for future use */
925 };
926
927 /*
928 * F R A M E R A T E E N U M E R A T I O N
929 */
930 enum v4l2_frmivaltypes {
931 V4L2_FRMIVAL_TYPE_DISCRETE = 1,
932 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2,
933 V4L2_FRMIVAL_TYPE_STEPWISE = 3,
934 };
935
936 struct v4l2_frmival_stepwise {
937 struct v4l2_fract min; /* Minimum frame interval [s] */
938 struct v4l2_fract max; /* Maximum frame interval [s] */
939 struct v4l2_fract step; /* Frame interval step size [s] */
940 };
941
942 struct v4l2_frmivalenum {
943 __u32 index; /* Frame format index */
944 __u32 pixel_format; /* Pixel format */
945 __u32 width; /* Frame width */
946 __u32 height; /* Frame height */
947 __u32 type; /* Frame interval type the device supports. */
948
949 union { /* Frame interval */
950 struct v4l2_fract discrete;
951 struct v4l2_frmival_stepwise stepwise;
952 };
953
954 __u32 reserved[2]; /* Reserved space for future use */
955 };
956
957 /*
958 * T I M E C O D E
959 */
960 struct v4l2_timecode {
961 __u32 type;
962 __u32 flags;
963 __u8 frames;
964 __u8 seconds;
965 __u8 minutes;
966 __u8 hours;
967 __u8 userbits[4];
968 };
969
970 /* Type */
971 #define V4L2_TC_TYPE_24FPS 1
972 #define V4L2_TC_TYPE_25FPS 2
973 #define V4L2_TC_TYPE_30FPS 3
974 #define V4L2_TC_TYPE_50FPS 4
975 #define V4L2_TC_TYPE_60FPS 5
976
977 /* Flags */
978 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */
979 #define V4L2_TC_FLAG_COLORFRAME 0x0002
980 #define V4L2_TC_USERBITS_field 0x000C
981 #define V4L2_TC_USERBITS_USERDEFINED 0x0000
982 #define V4L2_TC_USERBITS_8BITCHARS 0x0008
983 /* The above is based on SMPTE timecodes */
984
985 struct v4l2_jpegcompression {
986 int quality;
987
988 int APPn; /* Number of APP segment to be written,
989 * must be 0..15 */
990 int APP_len; /* Length of data in JPEG APPn segment */
991 char APP_data[60]; /* Data in the JPEG APPn segment. */
992
993 int COM_len; /* Length of data in JPEG COM segment */
994 char COM_data[60]; /* Data in JPEG COM segment */
995
996 __u32 jpeg_markers; /* Which markers should go into the JPEG
997 * output. Unless you exactly know what
998 * you do, leave them untouched.
999 * Including less markers will make the
1000 * resulting code smaller, but there will
1001 * be fewer applications which can read it.
1002 * The presence of the APP and COM marker
1003 * is influenced by APP_len and COM_len
1004 * ONLY, not by this property! */
1005
1006 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */
1007 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */
1008 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
1009 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */
1010 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will
1011 * always use APP0 */
1012 };
1013
1014 /*
1015 * M E M O R Y - M A P P I N G B U F F E R S
1016 */
1017
1018 #ifdef __KERNEL__
1019 /*
1020 * This corresponds to the user space version of timeval
1021 * for 64-bit time_t. sparc64 is different from everyone
1022 * else, using the microseconds in the wrong half of the
1023 * second 64-bit word.
1024 */
1025 struct __kernel_v4l2_timeval {
1026 long long tv_sec;
1027 #if defined(__sparc__) && defined(__arch64__)
1028 int tv_usec;
1029 int __pad;
1030 #else
1031 long long tv_usec;
1032 #endif
1033 };
1034 #endif
1035
1036 struct v4l2_requestbuffers {
1037 __u32 count;
1038 __u32 type; /* enum v4l2_buf_type */
1039 __u32 memory; /* enum v4l2_memory */
1040 __u32 capabilities;
1041 __u8 flags;
1042 __u8 reserved[3];
1043 };
1044
1045 #define V4L2_MEMORY_FLAG_NON_COHERENT (1 << 0)
1046
1047 /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */
1048 #define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0)
1049 #define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1)
1050 #define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2)
1051 #define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3)
1052 #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4)
1053 #define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5)
1054 #define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS (1 << 6)
1055 #define V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS (1 << 7)
1056 #define V4L2_BUF_CAP_SUPPORTS_REMOVE_BUFS (1 << 8)
1057
1058 /**
1059 * struct v4l2_plane - plane info for multi-planar buffers
1060 * @bytesused: number of bytes occupied by data in the plane (payload)
1061 * @length: size of this plane (NOT the payload) in bytes
1062 * @m.mem_offset: when memory in the associated struct v4l2_buffer is
1063 * V4L2_MEMORY_MMAP, equals the offset from the start of
1064 * the device memory for this plane (or is a "cookie" that
1065 * should be passed to mmap() called on the video node)
1066 * @m.userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer
1067 * pointing to this plane
1068 * @m.fd: when memory is V4L2_MEMORY_DMABUF, a userspace file
1069 * descriptor associated with this plane
1070 * @m: union of @mem_offset, @userptr and @fd
1071 * @data_offset: offset in the plane to the start of data; usually 0,
1072 * unless there is a header in front of the data
1073 * @reserved: drivers and applications must zero this array
1074 *
1075 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
1076 * with two planes can have one plane for Y, and another for interleaved CbCr
1077 * components. Each plane can reside in a separate memory buffer, or even in
1078 * a completely separate memory node (e.g. in embedded devices).
1079 */
1080 struct v4l2_plane {
1081 __u32 bytesused;
1082 __u32 length;
1083 union {
1084 __u32 mem_offset;
1085 unsigned long userptr;
1086 __s32 fd;
1087 } m;
1088 __u32 data_offset;
1089 __u32 reserved[11];
1090 };
1091
1092 /**
1093 * struct v4l2_buffer - video buffer info
1094 * @index: id number of the buffer
1095 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
1096 * multiplanar buffers);
1097 * @bytesused: number of bytes occupied by data in the buffer (payload);
1098 * unused (set to 0) for multiplanar buffers
1099 * @flags: buffer informational flags
1100 * @field: enum v4l2_field; field order of the image in the buffer
1101 * @timestamp: frame timestamp
1102 * @timecode: frame timecode
1103 * @sequence: sequence count of this frame
1104 * @memory: enum v4l2_memory; the method, in which the actual video data is
1105 * passed
1106 * @m.offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
1107 * offset from the start of the device memory for this plane,
1108 * (or a "cookie" that should be passed to mmap() as offset)
1109 * @m.userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
1110 * a userspace pointer pointing to this buffer
1111 * @m.fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
1112 * a userspace file descriptor associated with this buffer
1113 * @m.planes: for multiplanar buffers; userspace pointer to the array of plane
1114 * info structs for this buffer
1115 * @m: union of @offset, @userptr, @planes and @fd
1116 * @length: size in bytes of the buffer (NOT its payload) for single-plane
1117 * buffers (when type != *_MPLANE); number of elements in the
1118 * planes array for multi-plane buffers
1119 * @reserved2: drivers and applications must zero this field
1120 * @request_fd: fd of the request that this buffer should use
1121 * @reserved: for backwards compatibility with applications that do not know
1122 * about @request_fd
1123 *
1124 * Contains data exchanged by application and driver using one of the Streaming
1125 * I/O methods.
1126 */
1127 struct v4l2_buffer {
1128 __u32 index;
1129 __u32 type;
1130 __u32 bytesused;
1131 __u32 flags;
1132 __u32 field;
1133 #ifdef __KERNEL__
1134 struct __kernel_v4l2_timeval timestamp;
1135 #else
1136 struct timeval timestamp;
1137 #endif
1138 struct v4l2_timecode timecode;
1139 __u32 sequence;
1140
1141 /* memory location */
1142 __u32 memory;
1143 union {
1144 __u32 offset;
1145 unsigned long userptr;
1146 struct v4l2_plane *planes;
1147 __s32 fd;
1148 } m;
1149 __u32 length;
1150 __u32 reserved2;
1151 union {
1152 __s32 request_fd;
1153 __u32 reserved;
1154 };
1155 };
1156
1157 #ifndef __KERNEL__
1158 /**
1159 * v4l2_timeval_to_ns - Convert timeval to nanoseconds
1160 * @tv: pointer to the timeval variable to be converted
1161 *
1162 * Returns the scalar nanosecond representation of the timeval
1163 * parameter.
1164 */
v4l2_timeval_to_ns(const struct timeval * tv)1165 static inline __u64 v4l2_timeval_to_ns(const struct timeval *tv)
1166 {
1167 return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000;
1168 }
1169 #endif
1170
1171 /* Flags for 'flags' field */
1172 /* Buffer is mapped (flag) */
1173 #define V4L2_BUF_FLAG_MAPPED 0x00000001
1174 /* Buffer is queued for processing */
1175 #define V4L2_BUF_FLAG_QUEUED 0x00000002
1176 /* Buffer is ready */
1177 #define V4L2_BUF_FLAG_DONE 0x00000004
1178 /* Image is a keyframe (I-frame) */
1179 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008
1180 /* Image is a P-frame */
1181 #define V4L2_BUF_FLAG_PFRAME 0x00000010
1182 /* Image is a B-frame */
1183 #define V4L2_BUF_FLAG_BFRAME 0x00000020
1184 /* Buffer is ready, but the data contained within is corrupted. */
1185 #define V4L2_BUF_FLAG_ERROR 0x00000040
1186 /* Buffer is added to an unqueued request */
1187 #define V4L2_BUF_FLAG_IN_REQUEST 0x00000080
1188 /* timecode field is valid */
1189 #define V4L2_BUF_FLAG_TIMECODE 0x00000100
1190 /* Don't return the capture buffer until OUTPUT timestamp changes */
1191 #define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF 0x00000200
1192 /* Buffer is prepared for queuing */
1193 #define V4L2_BUF_FLAG_PREPARED 0x00000400
1194 /* Cache handling flags */
1195 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800
1196 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000
1197 /* Timestamp type */
1198 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000
1199 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000
1200 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000
1201 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000
1202 /* Timestamp sources. */
1203 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000
1204 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000
1205 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000
1206 /* mem2mem encoder/decoder */
1207 #define V4L2_BUF_FLAG_LAST 0x00100000
1208 /* request_fd is valid */
1209 #define V4L2_BUF_FLAG_REQUEST_FD 0x00800000
1210
1211 /**
1212 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
1213 *
1214 * @index: id number of the buffer
1215 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
1216 * multiplanar buffers);
1217 * @plane: index of the plane to be exported, 0 for single plane queues
1218 * @flags: flags for newly created file, currently only O_CLOEXEC is
1219 * supported, refer to manual of open syscall for more details
1220 * @fd: file descriptor associated with DMABUF (set by driver)
1221 * @reserved: drivers and applications must zero this array
1222 *
1223 * Contains data used for exporting a video buffer as DMABUF file descriptor.
1224 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
1225 * (identical to the cookie used to mmap() the buffer to userspace). All
1226 * reserved fields must be set to zero. The field reserved0 is expected to
1227 * become a structure 'type' allowing an alternative layout of the structure
1228 * content. Therefore this field should not be used for any other extensions.
1229 */
1230 struct v4l2_exportbuffer {
1231 __u32 type; /* enum v4l2_buf_type */
1232 __u32 index;
1233 __u32 plane;
1234 __u32 flags;
1235 __s32 fd;
1236 __u32 reserved[11];
1237 };
1238
1239 /*
1240 * O V E R L A Y P R E V I E W
1241 */
1242 struct v4l2_framebuffer {
1243 __u32 capability;
1244 __u32 flags;
1245 /* FIXME: in theory we should pass something like PCI device + memory
1246 * region + offset instead of some physical address */
1247 void *base;
1248 struct {
1249 __u32 width;
1250 __u32 height;
1251 __u32 pixelformat;
1252 __u32 field; /* enum v4l2_field */
1253 __u32 bytesperline; /* for padding, zero if unused */
1254 __u32 sizeimage;
1255 __u32 colorspace; /* enum v4l2_colorspace */
1256 __u32 priv; /* reserved field, set to 0 */
1257 } fmt;
1258 };
1259 /* Flags for the 'capability' field. Read only */
1260 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
1261 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002
1262 #ifndef __KERNEL__
1263 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004
1264 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008
1265 #endif
1266 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010
1267 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020
1268 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040
1269 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080
1270 /* Flags for the 'flags' field. */
1271 #define V4L2_FBUF_FLAG_PRIMARY 0x0001
1272 #define V4L2_FBUF_FLAG_OVERLAY 0x0002
1273 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004
1274 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008
1275 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010
1276 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020
1277 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040
1278
1279 struct v4l2_clip {
1280 struct v4l2_rect c;
1281 struct v4l2_clip __user *next;
1282 };
1283
1284 struct v4l2_window {
1285 struct v4l2_rect w;
1286 __u32 field; /* enum v4l2_field */
1287 __u32 chromakey;
1288 struct v4l2_clip *clips;
1289 __u32 clipcount;
1290 void __user *bitmap;
1291 __u8 global_alpha;
1292 };
1293
1294 /*
1295 * C A P T U R E P A R A M E T E R S
1296 */
1297 struct v4l2_captureparm {
1298 __u32 capability; /* Supported modes */
1299 __u32 capturemode; /* Current mode */
1300 struct v4l2_fract timeperframe; /* Time per frame in seconds */
1301 __u32 extendedmode; /* Driver-specific extensions */
1302 __u32 readbuffers; /* # of buffers for read */
1303 __u32 reserved[4];
1304 };
1305
1306 /* Flags for 'capability' and 'capturemode' fields */
1307 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */
1308 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */
1309
1310 struct v4l2_outputparm {
1311 __u32 capability; /* Supported modes */
1312 __u32 outputmode; /* Current mode */
1313 struct v4l2_fract timeperframe; /* Time per frame in seconds */
1314 __u32 extendedmode; /* Driver-specific extensions */
1315 __u32 writebuffers; /* # of buffers for write */
1316 __u32 reserved[4];
1317 };
1318
1319 /*
1320 * I N P U T I M A G E C R O P P I N G
1321 */
1322 struct v4l2_cropcap {
1323 __u32 type; /* enum v4l2_buf_type */
1324 struct v4l2_rect bounds;
1325 struct v4l2_rect defrect;
1326 struct v4l2_fract pixelaspect;
1327 };
1328
1329 struct v4l2_crop {
1330 __u32 type; /* enum v4l2_buf_type */
1331 struct v4l2_rect c;
1332 };
1333
1334 /**
1335 * struct v4l2_selection - selection info
1336 * @type: buffer type (do not use *_MPLANE types)
1337 * @target: Selection target, used to choose one of possible rectangles;
1338 * defined in v4l2-common.h; V4L2_SEL_TGT_* .
1339 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
1340 * @r: coordinates of selection window
1341 * @reserved: for future use, rounds structure size to 64 bytes, set to zero
1342 *
1343 * Hardware may use multiple helper windows to process a video stream.
1344 * The structure is used to exchange this selection areas between
1345 * an application and a driver.
1346 */
1347 struct v4l2_selection {
1348 __u32 type;
1349 __u32 target;
1350 __u32 flags;
1351 struct v4l2_rect r;
1352 __u32 reserved[9];
1353 };
1354
1355
1356 /*
1357 * A N A L O G V I D E O S T A N D A R D
1358 */
1359
1360 typedef __u64 v4l2_std_id;
1361
1362 /*
1363 * Attention: Keep the V4L2_STD_* bit definitions in sync with
1364 * include/dt-bindings/display/sdtv-standards.h SDTV_STD_* bit definitions.
1365 */
1366 /* one bit for each */
1367 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001)
1368 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002)
1369 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004)
1370 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008)
1371 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010)
1372 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020)
1373 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040)
1374 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080)
1375
1376 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100)
1377 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200)
1378 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
1379 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
1380
1381 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */
1382 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */
1383 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000)
1384 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */
1385
1386 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
1387 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
1388 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000)
1389 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000)
1390 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
1391 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
1392 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
1393 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000)
1394
1395 /* ATSC/HDTV */
1396 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
1397 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000)
1398
1399 /* FIXME:
1400 Although std_id is 64 bits, there is an issue on PPC32 architecture that
1401 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
1402 this value to 32 bits.
1403 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
1404 it should work fine. However, if needed to add more than two standards,
1405 v4l2-common.c should be fixed.
1406 */
1407
1408 /*
1409 * Some macros to merge video standards in order to make live easier for the
1410 * drivers and V4L2 applications
1411 */
1412
1413 /*
1414 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
1415 * Missing here.
1416 */
1417 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\
1418 V4L2_STD_NTSC_M_JP |\
1419 V4L2_STD_NTSC_M_KR)
1420 /* Secam macros */
1421 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\
1422 V4L2_STD_SECAM_K |\
1423 V4L2_STD_SECAM_K1)
1424 /* All Secam Standards */
1425 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\
1426 V4L2_STD_SECAM_G |\
1427 V4L2_STD_SECAM_H |\
1428 V4L2_STD_SECAM_DK |\
1429 V4L2_STD_SECAM_L |\
1430 V4L2_STD_SECAM_LC)
1431 /* PAL macros */
1432 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\
1433 V4L2_STD_PAL_B1 |\
1434 V4L2_STD_PAL_G)
1435 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\
1436 V4L2_STD_PAL_D1 |\
1437 V4L2_STD_PAL_K)
1438 /*
1439 * "Common" PAL - This macro is there to be compatible with the old
1440 * V4L1 concept of "PAL": /BGDKHI.
1441 * Several PAL standards are missing here: /M, /N and /Nc
1442 */
1443 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\
1444 V4L2_STD_PAL_DK |\
1445 V4L2_STD_PAL_H |\
1446 V4L2_STD_PAL_I)
1447 /* Chroma "agnostic" standards */
1448 #define V4L2_STD_B (V4L2_STD_PAL_B |\
1449 V4L2_STD_PAL_B1 |\
1450 V4L2_STD_SECAM_B)
1451 #define V4L2_STD_G (V4L2_STD_PAL_G |\
1452 V4L2_STD_SECAM_G)
1453 #define V4L2_STD_H (V4L2_STD_PAL_H |\
1454 V4L2_STD_SECAM_H)
1455 #define V4L2_STD_L (V4L2_STD_SECAM_L |\
1456 V4L2_STD_SECAM_LC)
1457 #define V4L2_STD_GH (V4L2_STD_G |\
1458 V4L2_STD_H)
1459 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\
1460 V4L2_STD_SECAM_DK)
1461 #define V4L2_STD_BG (V4L2_STD_B |\
1462 V4L2_STD_G)
1463 #define V4L2_STD_MN (V4L2_STD_PAL_M |\
1464 V4L2_STD_PAL_N |\
1465 V4L2_STD_PAL_Nc |\
1466 V4L2_STD_NTSC)
1467
1468 /* Standards where MTS/BTSC stereo could be found */
1469 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\
1470 V4L2_STD_PAL_M |\
1471 V4L2_STD_PAL_N |\
1472 V4L2_STD_PAL_Nc)
1473
1474 /* Standards for Countries with 60Hz Line frequency */
1475 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\
1476 V4L2_STD_PAL_60 |\
1477 V4L2_STD_NTSC |\
1478 V4L2_STD_NTSC_443)
1479 /* Standards for Countries with 50Hz Line frequency */
1480 #define V4L2_STD_625_50 (V4L2_STD_PAL |\
1481 V4L2_STD_PAL_N |\
1482 V4L2_STD_PAL_Nc |\
1483 V4L2_STD_SECAM)
1484
1485 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\
1486 V4L2_STD_ATSC_16_VSB)
1487 /* Macros with none and all analog standards */
1488 #define V4L2_STD_UNKNOWN 0
1489 #define V4L2_STD_ALL (V4L2_STD_525_60 |\
1490 V4L2_STD_625_50)
1491
1492 struct v4l2_standard {
1493 __u32 index;
1494 v4l2_std_id id;
1495 __u8 name[24];
1496 struct v4l2_fract frameperiod; /* Frames, not fields */
1497 __u32 framelines;
1498 __u32 reserved[4];
1499 };
1500
1501 /*
1502 * D V B T T I M I N G S
1503 */
1504
1505 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data
1506 * @width: total width of the active video in pixels
1507 * @height: total height of the active video in lines
1508 * @interlaced: Interlaced or progressive
1509 * @polarities: Positive or negative polarities
1510 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1511 * @hfrontporch:Horizontal front porch in pixels
1512 * @hsync: Horizontal Sync length in pixels
1513 * @hbackporch: Horizontal back porch in pixels
1514 * @vfrontporch:Vertical front porch in lines
1515 * @vsync: Vertical Sync length in lines
1516 * @vbackporch: Vertical back porch in lines
1517 * @il_vfrontporch:Vertical front porch for the even field
1518 * (aka field 2) of interlaced field formats
1519 * @il_vsync: Vertical Sync length for the even field
1520 * (aka field 2) of interlaced field formats
1521 * @il_vbackporch:Vertical back porch for the even field
1522 * (aka field 2) of interlaced field formats
1523 * @standards: Standards the timing belongs to
1524 * @flags: Flags
1525 * @picture_aspect: The picture aspect ratio (hor/vert).
1526 * @cea861_vic: VIC code as per the CEA-861 standard.
1527 * @hdmi_vic: VIC code as per the HDMI standard.
1528 * @reserved: Reserved fields, must be zeroed.
1529 *
1530 * A note regarding vertical interlaced timings: height refers to the total
1531 * height of the active video frame (= two fields). The blanking timings refer
1532 * to the blanking of each field. So the height of the total frame is
1533 * calculated as follows:
1534 *
1535 * tot_height = height + vfrontporch + vsync + vbackporch +
1536 * il_vfrontporch + il_vsync + il_vbackporch
1537 *
1538 * The active height of each field is height / 2.
1539 */
1540 struct v4l2_bt_timings {
1541 __u32 width;
1542 __u32 height;
1543 __u32 interlaced;
1544 __u32 polarities;
1545 __u64 pixelclock;
1546 __u32 hfrontporch;
1547 __u32 hsync;
1548 __u32 hbackporch;
1549 __u32 vfrontporch;
1550 __u32 vsync;
1551 __u32 vbackporch;
1552 __u32 il_vfrontporch;
1553 __u32 il_vsync;
1554 __u32 il_vbackporch;
1555 __u32 standards;
1556 __u32 flags;
1557 struct v4l2_fract picture_aspect;
1558 __u8 cea861_vic;
1559 __u8 hdmi_vic;
1560 __u8 reserved[46];
1561 } __attribute__ ((packed));
1562
1563 /* Interlaced or progressive format */
1564 #define V4L2_DV_PROGRESSIVE 0
1565 #define V4L2_DV_INTERLACED 1
1566
1567 /* Polarities. If bit is not set, it is assumed to be negative polarity */
1568 #define V4L2_DV_VSYNC_POS_POL 0x00000001
1569 #define V4L2_DV_HSYNC_POS_POL 0x00000002
1570
1571 /* Timings standards */
1572 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */
1573 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */
1574 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */
1575 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */
1576 #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */
1577
1578 /* Flags */
1579
1580 /*
1581 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
1582 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
1583 * intervals are reduced, allowing a higher resolution over the same
1584 * bandwidth. This is a read-only flag.
1585 */
1586 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0)
1587 /*
1588 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
1589 * of six. These formats can be optionally played at 1 / 1.001 speed.
1590 * This is a read-only flag.
1591 */
1592 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1)
1593 /*
1594 * CEA-861 specific: only valid for video transmitters, the flag is cleared
1595 * by receivers.
1596 * If the framerate of the format is a multiple of six, then the pixelclock
1597 * used to set up the transmitter is divided by 1.001 to make it compatible
1598 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
1599 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
1600 * such frequencies, then the flag will also be cleared.
1601 */
1602 #define V4L2_DV_FL_REDUCED_FPS (1 << 2)
1603 /*
1604 * Specific to interlaced formats: if set, then field 1 is really one half-line
1605 * longer and field 2 is really one half-line shorter, so each field has
1606 * exactly the same number of half-lines. Whether half-lines can be detected
1607 * or used depends on the hardware.
1608 */
1609 #define V4L2_DV_FL_HALF_LINE (1 << 3)
1610 /*
1611 * If set, then this is a Consumer Electronics (CE) video format. Such formats
1612 * differ from other formats (commonly called IT formats) in that if RGB
1613 * encoding is used then by default the RGB values use limited range (i.e.
1614 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861
1615 * except for the 640x480 format are CE formats.
1616 */
1617 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4)
1618 /* Some formats like SMPTE-125M have an interlaced signal with a odd
1619 * total height. For these formats, if this flag is set, the first
1620 * field has the extra line. If not, it is the second field.
1621 */
1622 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5)
1623 /*
1624 * If set, then the picture_aspect field is valid. Otherwise assume that the
1625 * pixels are square, so the picture aspect ratio is the same as the width to
1626 * height ratio.
1627 */
1628 #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6)
1629 /*
1630 * If set, then the cea861_vic field is valid and contains the Video
1631 * Identification Code as per the CEA-861 standard.
1632 */
1633 #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7)
1634 /*
1635 * If set, then the hdmi_vic field is valid and contains the Video
1636 * Identification Code as per the HDMI standard (HDMI Vendor Specific
1637 * InfoFrame).
1638 */
1639 #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8)
1640 /*
1641 * CEA-861 specific: only valid for video receivers.
1642 * If set, then HW can detect the difference between regular FPS and
1643 * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with
1644 * the V4L2_DV_FL_CAN_REDUCE_FPS flag set.
1645 */
1646 #define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9)
1647
1648 /* A few useful defines to calculate the total blanking and frame sizes */
1649 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \
1650 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch)
1651 #define V4L2_DV_BT_FRAME_WIDTH(bt) \
1652 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt))
1653 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \
1654 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \
1655 ((bt)->interlaced ? \
1656 ((bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) : 0))
1657 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \
1658 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))
1659
1660 /** struct v4l2_dv_timings - DV timings
1661 * @type: the type of the timings
1662 * @bt: BT656/1120 timings
1663 */
1664 struct v4l2_dv_timings {
1665 __u32 type;
1666 union {
1667 struct v4l2_bt_timings bt;
1668 __u32 reserved[32];
1669 };
1670 } __attribute__ ((packed));
1671
1672 /* Values for the type field */
1673 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */
1674
1675
1676 /** struct v4l2_enum_dv_timings - DV timings enumeration
1677 * @index: enumeration index
1678 * @pad: the pad number for which to enumerate timings (used with
1679 * v4l-subdev nodes only)
1680 * @reserved: must be zeroed
1681 * @timings: the timings for the given index
1682 */
1683 struct v4l2_enum_dv_timings {
1684 __u32 index;
1685 __u32 pad;
1686 __u32 reserved[2];
1687 struct v4l2_dv_timings timings;
1688 };
1689
1690 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
1691 * @min_width: width in pixels
1692 * @max_width: width in pixels
1693 * @min_height: height in lines
1694 * @max_height: height in lines
1695 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1696 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1697 * @standards: Supported standards
1698 * @capabilities: Supported capabilities
1699 * @reserved: Must be zeroed
1700 */
1701 struct v4l2_bt_timings_cap {
1702 __u32 min_width;
1703 __u32 max_width;
1704 __u32 min_height;
1705 __u32 max_height;
1706 __u64 min_pixelclock;
1707 __u64 max_pixelclock;
1708 __u32 standards;
1709 __u32 capabilities;
1710 __u32 reserved[16];
1711 } __attribute__ ((packed));
1712
1713 /* Supports interlaced formats */
1714 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0)
1715 /* Supports progressive formats */
1716 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1)
1717 /* Supports CVT/GTF reduced blanking */
1718 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2)
1719 /* Supports custom formats */
1720 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3)
1721
1722 /** struct v4l2_dv_timings_cap - DV timings capabilities
1723 * @type: the type of the timings (same as in struct v4l2_dv_timings)
1724 * @pad: the pad number for which to query capabilities (used with
1725 * v4l-subdev nodes only)
1726 * @bt: the BT656/1120 timings capabilities
1727 */
1728 struct v4l2_dv_timings_cap {
1729 __u32 type;
1730 __u32 pad;
1731 __u32 reserved[2];
1732 union {
1733 struct v4l2_bt_timings_cap bt;
1734 __u32 raw_data[32];
1735 };
1736 };
1737
1738
1739 /*
1740 * V I D E O I N P U T S
1741 */
1742 struct v4l2_input {
1743 __u32 index; /* Which input */
1744 __u8 name[32]; /* Label */
1745 __u32 type; /* Type of input */
1746 __u32 audioset; /* Associated audios (bitfield) */
1747 __u32 tuner; /* Tuner index */
1748 v4l2_std_id std;
1749 __u32 status;
1750 __u32 capabilities;
1751 __u32 reserved[3];
1752 };
1753
1754 /* Values for the 'type' field */
1755 #define V4L2_INPUT_TYPE_TUNER 1
1756 #define V4L2_INPUT_TYPE_CAMERA 2
1757 #define V4L2_INPUT_TYPE_TOUCH 3
1758
1759 /* field 'status' - general */
1760 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */
1761 #define V4L2_IN_ST_NO_SIGNAL 0x00000002
1762 #define V4L2_IN_ST_NO_COLOR 0x00000004
1763
1764 /* field 'status' - sensor orientation */
1765 /* If sensor is mounted upside down set both bits */
1766 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */
1767 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */
1768
1769 /* field 'status' - analog */
1770 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
1771 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
1772 #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */
1773 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */
1774
1775 /* field 'status' - digital */
1776 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */
1777 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */
1778 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */
1779
1780 /* field 'status' - VCR and set-top box */
1781 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */
1782 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */
1783 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */
1784
1785 /* capabilities flags */
1786 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1787 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
1788 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */
1789 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1790
1791 /*
1792 * V I D E O O U T P U T S
1793 */
1794 struct v4l2_output {
1795 __u32 index; /* Which output */
1796 __u8 name[32]; /* Label */
1797 __u32 type; /* Type of output */
1798 __u32 audioset; /* Associated audios (bitfield) */
1799 __u32 modulator; /* Associated modulator */
1800 v4l2_std_id std;
1801 __u32 capabilities;
1802 __u32 reserved[3];
1803 };
1804 /* Values for the 'type' field */
1805 #define V4L2_OUTPUT_TYPE_MODULATOR 1
1806 #define V4L2_OUTPUT_TYPE_ANALOG 2
1807 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3
1808
1809 /* capabilities flags */
1810 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1811 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
1812 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */
1813 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1814
1815 /*
1816 * C O N T R O L S
1817 */
1818 struct v4l2_control {
1819 __u32 id;
1820 __s32 value;
1821 };
1822
1823 struct v4l2_ext_control {
1824 __u32 id;
1825 __u32 size;
1826 __u32 reserved2[1];
1827 union {
1828 __s32 value;
1829 __s64 value64;
1830 char __user *string;
1831 __u8 __user *p_u8;
1832 __u16 __user *p_u16;
1833 __u32 __user *p_u32;
1834 __s32 __user *p_s32;
1835 __s64 __user *p_s64;
1836 struct v4l2_area __user *p_area;
1837 struct v4l2_ctrl_h264_sps __user *p_h264_sps;
1838 struct v4l2_ctrl_h264_pps __user *p_h264_pps;
1839 struct v4l2_ctrl_h264_scaling_matrix __user *p_h264_scaling_matrix;
1840 struct v4l2_ctrl_h264_pred_weights __user *p_h264_pred_weights;
1841 struct v4l2_ctrl_h264_slice_params __user *p_h264_slice_params;
1842 struct v4l2_ctrl_h264_decode_params __user *p_h264_decode_params;
1843 struct v4l2_ctrl_fwht_params __user *p_fwht_params;
1844 struct v4l2_ctrl_vp8_frame __user *p_vp8_frame;
1845 struct v4l2_ctrl_mpeg2_sequence __user *p_mpeg2_sequence;
1846 struct v4l2_ctrl_mpeg2_picture __user *p_mpeg2_picture;
1847 struct v4l2_ctrl_mpeg2_quantisation __user *p_mpeg2_quantisation;
1848 struct v4l2_ctrl_vp9_compressed_hdr __user *p_vp9_compressed_hdr_probs;
1849 struct v4l2_ctrl_vp9_frame __user *p_vp9_frame;
1850 struct v4l2_ctrl_hevc_sps __user *p_hevc_sps;
1851 struct v4l2_ctrl_hevc_pps __user *p_hevc_pps;
1852 struct v4l2_ctrl_hevc_slice_params __user *p_hevc_slice_params;
1853 struct v4l2_ctrl_hevc_scaling_matrix __user *p_hevc_scaling_matrix;
1854 struct v4l2_ctrl_hevc_decode_params __user *p_hevc_decode_params;
1855 struct v4l2_ctrl_av1_sequence __user *p_av1_sequence;
1856 struct v4l2_ctrl_av1_tile_group_entry __user *p_av1_tile_group_entry;
1857 struct v4l2_ctrl_av1_frame __user *p_av1_frame;
1858 struct v4l2_ctrl_av1_film_grain __user *p_av1_film_grain;
1859 struct v4l2_ctrl_hdr10_cll_info __user *p_hdr10_cll_info;
1860 struct v4l2_ctrl_hdr10_mastering_display __user *p_hdr10_mastering_display;
1861 void __user *ptr;
1862 } __attribute__ ((packed));
1863 } __attribute__ ((packed));
1864
1865 struct v4l2_ext_controls {
1866 union {
1867 #ifndef __KERNEL__
1868 __u32 ctrl_class;
1869 #endif
1870 __u32 which;
1871 };
1872 __u32 count;
1873 __u32 error_idx;
1874 __s32 request_fd;
1875 __u32 reserved[1];
1876 struct v4l2_ext_control *controls;
1877 };
1878
1879 #define V4L2_CTRL_ID_MASK (0x0fffffff)
1880 #ifndef __KERNEL__
1881 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL)
1882 #endif
1883 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL)
1884 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
1885 #define V4L2_CTRL_MAX_DIMS (4)
1886 #define V4L2_CTRL_WHICH_CUR_VAL 0
1887 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000
1888 #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000
1889
1890 enum v4l2_ctrl_type {
1891 V4L2_CTRL_TYPE_INTEGER = 1,
1892 V4L2_CTRL_TYPE_BOOLEAN = 2,
1893 V4L2_CTRL_TYPE_MENU = 3,
1894 V4L2_CTRL_TYPE_BUTTON = 4,
1895 V4L2_CTRL_TYPE_INTEGER64 = 5,
1896 V4L2_CTRL_TYPE_CTRL_CLASS = 6,
1897 V4L2_CTRL_TYPE_STRING = 7,
1898 V4L2_CTRL_TYPE_BITMASK = 8,
1899 V4L2_CTRL_TYPE_INTEGER_MENU = 9,
1900
1901 /* Compound types are >= 0x0100 */
1902 V4L2_CTRL_COMPOUND_TYPES = 0x0100,
1903 V4L2_CTRL_TYPE_U8 = 0x0100,
1904 V4L2_CTRL_TYPE_U16 = 0x0101,
1905 V4L2_CTRL_TYPE_U32 = 0x0102,
1906 V4L2_CTRL_TYPE_AREA = 0x0106,
1907
1908 V4L2_CTRL_TYPE_HDR10_CLL_INFO = 0x0110,
1909 V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY = 0x0111,
1910
1911 V4L2_CTRL_TYPE_H264_SPS = 0x0200,
1912 V4L2_CTRL_TYPE_H264_PPS = 0x0201,
1913 V4L2_CTRL_TYPE_H264_SCALING_MATRIX = 0x0202,
1914 V4L2_CTRL_TYPE_H264_SLICE_PARAMS = 0x0203,
1915 V4L2_CTRL_TYPE_H264_DECODE_PARAMS = 0x0204,
1916 V4L2_CTRL_TYPE_H264_PRED_WEIGHTS = 0x0205,
1917
1918 V4L2_CTRL_TYPE_FWHT_PARAMS = 0x0220,
1919
1920 V4L2_CTRL_TYPE_VP8_FRAME = 0x0240,
1921
1922 V4L2_CTRL_TYPE_MPEG2_QUANTISATION = 0x0250,
1923 V4L2_CTRL_TYPE_MPEG2_SEQUENCE = 0x0251,
1924 V4L2_CTRL_TYPE_MPEG2_PICTURE = 0x0252,
1925
1926 V4L2_CTRL_TYPE_VP9_COMPRESSED_HDR = 0x0260,
1927 V4L2_CTRL_TYPE_VP9_FRAME = 0x0261,
1928
1929 V4L2_CTRL_TYPE_HEVC_SPS = 0x0270,
1930 V4L2_CTRL_TYPE_HEVC_PPS = 0x0271,
1931 V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS = 0x0272,
1932 V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX = 0x0273,
1933 V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS = 0x0274,
1934
1935 V4L2_CTRL_TYPE_AV1_SEQUENCE = 0x280,
1936 V4L2_CTRL_TYPE_AV1_TILE_GROUP_ENTRY = 0x281,
1937 V4L2_CTRL_TYPE_AV1_FRAME = 0x282,
1938 V4L2_CTRL_TYPE_AV1_FILM_GRAIN = 0x283,
1939 };
1940
1941 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
1942 struct v4l2_queryctrl {
1943 __u32 id;
1944 __u32 type; /* enum v4l2_ctrl_type */
1945 __u8 name[32]; /* Whatever */
1946 __s32 minimum; /* Note signedness */
1947 __s32 maximum;
1948 __s32 step;
1949 __s32 default_value;
1950 __u32 flags;
1951 __u32 reserved[2];
1952 };
1953
1954 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */
1955 struct v4l2_query_ext_ctrl {
1956 __u32 id;
1957 __u32 type;
1958 char name[32];
1959 __s64 minimum;
1960 __s64 maximum;
1961 __u64 step;
1962 __s64 default_value;
1963 __u32 flags;
1964 __u32 elem_size;
1965 __u32 elems;
1966 __u32 nr_of_dims;
1967 __u32 dims[V4L2_CTRL_MAX_DIMS];
1968 __u32 reserved[32];
1969 };
1970
1971 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
1972 struct v4l2_querymenu {
1973 __u32 id;
1974 __u32 index;
1975 union {
1976 __u8 name[32]; /* Whatever */
1977 __s64 value;
1978 };
1979 __u32 reserved;
1980 } __attribute__ ((packed));
1981
1982 /* Control flags */
1983 #define V4L2_CTRL_FLAG_DISABLED 0x0001
1984 #define V4L2_CTRL_FLAG_GRABBED 0x0002
1985 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004
1986 #define V4L2_CTRL_FLAG_UPDATE 0x0008
1987 #define V4L2_CTRL_FLAG_INACTIVE 0x0010
1988 #define V4L2_CTRL_FLAG_SLIDER 0x0020
1989 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040
1990 #define V4L2_CTRL_FLAG_VOLATILE 0x0080
1991 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100
1992 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200
1993 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400
1994 #define V4L2_CTRL_FLAG_DYNAMIC_ARRAY 0x0800
1995
1996 /* Query flags, to be ORed with the control ID */
1997 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000
1998 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000
1999
2000 /* User-class control IDs defined by V4L2 */
2001 #define V4L2_CID_MAX_CTRLS 1024
2002 /* IDs reserved for driver specific controls */
2003 #define V4L2_CID_PRIVATE_BASE 0x08000000
2004
2005
2006 /*
2007 * T U N I N G
2008 */
2009 struct v4l2_tuner {
2010 __u32 index;
2011 __u8 name[32];
2012 __u32 type; /* enum v4l2_tuner_type */
2013 __u32 capability;
2014 __u32 rangelow;
2015 __u32 rangehigh;
2016 __u32 rxsubchans;
2017 __u32 audmode;
2018 __s32 signal;
2019 __s32 afc;
2020 __u32 reserved[4];
2021 };
2022
2023 struct v4l2_modulator {
2024 __u32 index;
2025 __u8 name[32];
2026 __u32 capability;
2027 __u32 rangelow;
2028 __u32 rangehigh;
2029 __u32 txsubchans;
2030 __u32 type; /* enum v4l2_tuner_type */
2031 __u32 reserved[3];
2032 };
2033
2034 /* Flags for the 'capability' field */
2035 #define V4L2_TUNER_CAP_LOW 0x0001
2036 #define V4L2_TUNER_CAP_NORM 0x0002
2037 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004
2038 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008
2039 #define V4L2_TUNER_CAP_STEREO 0x0010
2040 #define V4L2_TUNER_CAP_LANG2 0x0020
2041 #define V4L2_TUNER_CAP_SAP 0x0020
2042 #define V4L2_TUNER_CAP_LANG1 0x0040
2043 #define V4L2_TUNER_CAP_RDS 0x0080
2044 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100
2045 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200
2046 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400
2047 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800
2048 #define V4L2_TUNER_CAP_1HZ 0x1000
2049
2050 /* Flags for the 'rxsubchans' field */
2051 #define V4L2_TUNER_SUB_MONO 0x0001
2052 #define V4L2_TUNER_SUB_STEREO 0x0002
2053 #define V4L2_TUNER_SUB_LANG2 0x0004
2054 #define V4L2_TUNER_SUB_SAP 0x0004
2055 #define V4L2_TUNER_SUB_LANG1 0x0008
2056 #define V4L2_TUNER_SUB_RDS 0x0010
2057
2058 /* Values for the 'audmode' field */
2059 #define V4L2_TUNER_MODE_MONO 0x0000
2060 #define V4L2_TUNER_MODE_STEREO 0x0001
2061 #define V4L2_TUNER_MODE_LANG2 0x0002
2062 #define V4L2_TUNER_MODE_SAP 0x0002
2063 #define V4L2_TUNER_MODE_LANG1 0x0003
2064 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004
2065
2066 struct v4l2_frequency {
2067 __u32 tuner;
2068 __u32 type; /* enum v4l2_tuner_type */
2069 __u32 frequency;
2070 __u32 reserved[8];
2071 };
2072
2073 #define V4L2_BAND_MODULATION_VSB (1 << 1)
2074 #define V4L2_BAND_MODULATION_FM (1 << 2)
2075 #define V4L2_BAND_MODULATION_AM (1 << 3)
2076
2077 struct v4l2_frequency_band {
2078 __u32 tuner;
2079 __u32 type; /* enum v4l2_tuner_type */
2080 __u32 index;
2081 __u32 capability;
2082 __u32 rangelow;
2083 __u32 rangehigh;
2084 __u32 modulation;
2085 __u32 reserved[9];
2086 };
2087
2088 struct v4l2_hw_freq_seek {
2089 __u32 tuner;
2090 __u32 type; /* enum v4l2_tuner_type */
2091 __u32 seek_upward;
2092 __u32 wrap_around;
2093 __u32 spacing;
2094 __u32 rangelow;
2095 __u32 rangehigh;
2096 __u32 reserved[5];
2097 };
2098
2099 /*
2100 * R D S
2101 */
2102
2103 struct v4l2_rds_data {
2104 __u8 lsb;
2105 __u8 msb;
2106 __u8 block;
2107 } __attribute__ ((packed));
2108
2109 #define V4L2_RDS_BLOCK_MSK 0x7
2110 #define V4L2_RDS_BLOCK_A 0
2111 #define V4L2_RDS_BLOCK_B 1
2112 #define V4L2_RDS_BLOCK_C 2
2113 #define V4L2_RDS_BLOCK_D 3
2114 #define V4L2_RDS_BLOCK_C_ALT 4
2115 #define V4L2_RDS_BLOCK_INVALID 7
2116
2117 #define V4L2_RDS_BLOCK_CORRECTED 0x40
2118 #define V4L2_RDS_BLOCK_ERROR 0x80
2119
2120 /*
2121 * A U D I O
2122 */
2123 struct v4l2_audio {
2124 __u32 index;
2125 __u8 name[32];
2126 __u32 capability;
2127 __u32 mode;
2128 __u32 reserved[2];
2129 };
2130
2131 /* Flags for the 'capability' field */
2132 #define V4L2_AUDCAP_STEREO 0x00001
2133 #define V4L2_AUDCAP_AVL 0x00002
2134
2135 /* Flags for the 'mode' field */
2136 #define V4L2_AUDMODE_AVL 0x00001
2137
2138 struct v4l2_audioout {
2139 __u32 index;
2140 __u8 name[32];
2141 __u32 capability;
2142 __u32 mode;
2143 __u32 reserved[2];
2144 };
2145
2146 /*
2147 * M P E G S E R V I C E S
2148 */
2149 #if 1
2150 #define V4L2_ENC_IDX_FRAME_I (0)
2151 #define V4L2_ENC_IDX_FRAME_P (1)
2152 #define V4L2_ENC_IDX_FRAME_B (2)
2153 #define V4L2_ENC_IDX_FRAME_MASK (0xf)
2154
2155 struct v4l2_enc_idx_entry {
2156 __u64 offset;
2157 __u64 pts;
2158 __u32 length;
2159 __u32 flags;
2160 __u32 reserved[2];
2161 };
2162
2163 #define V4L2_ENC_IDX_ENTRIES (64)
2164 struct v4l2_enc_idx {
2165 __u32 entries;
2166 __u32 entries_cap;
2167 __u32 reserved[4];
2168 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
2169 };
2170
2171
2172 #define V4L2_ENC_CMD_START (0)
2173 #define V4L2_ENC_CMD_STOP (1)
2174 #define V4L2_ENC_CMD_PAUSE (2)
2175 #define V4L2_ENC_CMD_RESUME (3)
2176
2177 /* Flags for V4L2_ENC_CMD_STOP */
2178 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0)
2179
2180 struct v4l2_encoder_cmd {
2181 __u32 cmd;
2182 __u32 flags;
2183 union {
2184 struct {
2185 __u32 data[8];
2186 } raw;
2187 };
2188 };
2189
2190 /* Decoder commands */
2191 #define V4L2_DEC_CMD_START (0)
2192 #define V4L2_DEC_CMD_STOP (1)
2193 #define V4L2_DEC_CMD_PAUSE (2)
2194 #define V4L2_DEC_CMD_RESUME (3)
2195 #define V4L2_DEC_CMD_FLUSH (4)
2196
2197 /* Flags for V4L2_DEC_CMD_START */
2198 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0)
2199
2200 /* Flags for V4L2_DEC_CMD_PAUSE */
2201 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0)
2202
2203 /* Flags for V4L2_DEC_CMD_STOP */
2204 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0)
2205 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1)
2206
2207 /* Play format requirements (returned by the driver): */
2208
2209 /* The decoder has no special format requirements */
2210 #define V4L2_DEC_START_FMT_NONE (0)
2211 /* The decoder requires full GOPs */
2212 #define V4L2_DEC_START_FMT_GOP (1)
2213
2214 /* The structure must be zeroed before use by the application
2215 This ensures it can be extended safely in the future. */
2216 struct v4l2_decoder_cmd {
2217 __u32 cmd;
2218 __u32 flags;
2219 union {
2220 struct {
2221 __u64 pts;
2222 } stop;
2223
2224 struct {
2225 /* 0 or 1000 specifies normal speed,
2226 1 specifies forward single stepping,
2227 -1 specifies backward single stepping,
2228 >1: playback at speed/1000 of the normal speed,
2229 <-1: reverse playback at (-speed/1000) of the normal speed. */
2230 __s32 speed;
2231 __u32 format;
2232 } start;
2233
2234 struct {
2235 __u32 data[16];
2236 } raw;
2237 };
2238 };
2239 #endif
2240
2241
2242 /*
2243 * D A T A S E R V I C E S ( V B I )
2244 *
2245 * Data services API by Michael Schimek
2246 */
2247
2248 /* Raw VBI */
2249 struct v4l2_vbi_format {
2250 __u32 sampling_rate; /* in 1 Hz */
2251 __u32 offset;
2252 __u32 samples_per_line;
2253 __u32 sample_format; /* V4L2_PIX_FMT_* */
2254 __s32 start[2];
2255 __u32 count[2];
2256 __u32 flags; /* V4L2_VBI_* */
2257 __u32 reserved[2]; /* must be zero */
2258 };
2259
2260 /* VBI flags */
2261 #define V4L2_VBI_UNSYNC (1 << 0)
2262 #define V4L2_VBI_INTERLACED (1 << 1)
2263
2264 /* ITU-R start lines for each field */
2265 #define V4L2_VBI_ITU_525_F1_START (1)
2266 #define V4L2_VBI_ITU_525_F2_START (264)
2267 #define V4L2_VBI_ITU_625_F1_START (1)
2268 #define V4L2_VBI_ITU_625_F2_START (314)
2269
2270 /* Sliced VBI
2271 *
2272 * This implements is a proposal V4L2 API to allow SLICED VBI
2273 * required for some hardware encoders. It should change without
2274 * notice in the definitive implementation.
2275 */
2276
2277 struct v4l2_sliced_vbi_format {
2278 __u16 service_set;
2279 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2280 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2281 (equals frame lines 313-336 for 625 line video
2282 standards, 263-286 for 525 line standards) */
2283 __u16 service_lines[2][24];
2284 __u32 io_size;
2285 __u32 reserved[2]; /* must be zero */
2286 };
2287
2288 /* Teletext World System Teletext
2289 (WST), defined on ITU-R BT.653-2 */
2290 #define V4L2_SLICED_TELETEXT_B (0x0001)
2291 /* Video Program System, defined on ETS 300 231*/
2292 #define V4L2_SLICED_VPS (0x0400)
2293 /* Closed Caption, defined on EIA-608 */
2294 #define V4L2_SLICED_CAPTION_525 (0x1000)
2295 /* Wide Screen System, defined on ITU-R BT1119.1 */
2296 #define V4L2_SLICED_WSS_625 (0x4000)
2297
2298 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525)
2299 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
2300
2301 struct v4l2_sliced_vbi_cap {
2302 __u16 service_set;
2303 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2304 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2305 (equals frame lines 313-336 for 625 line video
2306 standards, 263-286 for 525 line standards) */
2307 __u16 service_lines[2][24];
2308 __u32 type; /* enum v4l2_buf_type */
2309 __u32 reserved[3]; /* must be 0 */
2310 };
2311
2312 struct v4l2_sliced_vbi_data {
2313 __u32 id;
2314 __u32 field; /* 0: first field, 1: second field */
2315 __u32 line; /* 1-23 */
2316 __u32 reserved; /* must be 0 */
2317 __u8 data[48];
2318 };
2319
2320 /*
2321 * Sliced VBI data inserted into MPEG Streams
2322 */
2323
2324 /*
2325 * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
2326 *
2327 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
2328 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
2329 * data
2330 *
2331 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
2332 * definitions are not included here. See the MPEG-2 specifications for details
2333 * on these headers.
2334 */
2335
2336 /* Line type IDs */
2337 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1)
2338 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4)
2339 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5)
2340 #define V4L2_MPEG_VBI_IVTV_VPS (7)
2341
2342 struct v4l2_mpeg_vbi_itv0_line {
2343 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */
2344 __u8 data[42]; /* Sliced VBI data for the line */
2345 } __attribute__ ((packed));
2346
2347 struct v4l2_mpeg_vbi_itv0 {
2348 __le32 linemask[2]; /* Bitmasks of VBI service lines present */
2349 struct v4l2_mpeg_vbi_itv0_line line[35];
2350 } __attribute__ ((packed));
2351
2352 struct v4l2_mpeg_vbi_ITV0 {
2353 struct v4l2_mpeg_vbi_itv0_line line[36];
2354 } __attribute__ ((packed));
2355
2356 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0"
2357 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0"
2358
2359 struct v4l2_mpeg_vbi_fmt_ivtv {
2360 __u8 magic[4];
2361 union {
2362 struct v4l2_mpeg_vbi_itv0 itv0;
2363 struct v4l2_mpeg_vbi_ITV0 ITV0;
2364 };
2365 } __attribute__ ((packed));
2366
2367 /*
2368 * A G G R E G A T E S T R U C T U R E S
2369 */
2370
2371 /**
2372 * struct v4l2_plane_pix_format - additional, per-plane format definition
2373 * @sizeimage: maximum size in bytes required for data, for which
2374 * this plane will be used
2375 * @bytesperline: distance in bytes between the leftmost pixels in two
2376 * adjacent lines
2377 * @reserved: drivers and applications must zero this array
2378 */
2379 struct v4l2_plane_pix_format {
2380 __u32 sizeimage;
2381 __u32 bytesperline;
2382 __u16 reserved[6];
2383 } __attribute__ ((packed));
2384
2385 /**
2386 * struct v4l2_pix_format_mplane - multiplanar format definition
2387 * @width: image width in pixels
2388 * @height: image height in pixels
2389 * @pixelformat: little endian four character code (fourcc)
2390 * @field: enum v4l2_field; field order (for interlaced video)
2391 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat
2392 * @plane_fmt: per-plane information
2393 * @num_planes: number of planes for this format
2394 * @flags: format flags (V4L2_PIX_FMT_FLAG_*)
2395 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding
2396 * @hsv_enc: enum v4l2_hsv_encoding, HSV encoding
2397 * @quantization: enum v4l2_quantization, colorspace quantization
2398 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function
2399 * @reserved: drivers and applications must zero this array
2400 */
2401 struct v4l2_pix_format_mplane {
2402 __u32 width;
2403 __u32 height;
2404 __u32 pixelformat;
2405 __u32 field;
2406 __u32 colorspace;
2407
2408 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES];
2409 __u8 num_planes;
2410 __u8 flags;
2411 union {
2412 __u8 ycbcr_enc;
2413 __u8 hsv_enc;
2414 };
2415 __u8 quantization;
2416 __u8 xfer_func;
2417 __u8 reserved[7];
2418 } __attribute__ ((packed));
2419
2420 /**
2421 * struct v4l2_sdr_format - SDR format definition
2422 * @pixelformat: little endian four character code (fourcc)
2423 * @buffersize: maximum size in bytes required for data
2424 * @reserved: drivers and applications must zero this array
2425 */
2426 struct v4l2_sdr_format {
2427 __u32 pixelformat;
2428 __u32 buffersize;
2429 __u8 reserved[24];
2430 } __attribute__ ((packed));
2431
2432 /**
2433 * struct v4l2_meta_format - metadata format definition
2434 * @dataformat: little endian four character code (fourcc)
2435 * @buffersize: maximum size in bytes required for data
2436 * @width: number of data units of data per line (valid for line
2437 * based formats only, see format documentation)
2438 * @height: number of lines of data per buffer (valid for line based
2439 * formats only)
2440 * @bytesperline: offset between the beginnings of two adjacent lines in
2441 * bytes (valid for line based formats only)
2442 */
2443 struct v4l2_meta_format {
2444 __u32 dataformat;
2445 __u32 buffersize;
2446 __u32 width;
2447 __u32 height;
2448 __u32 bytesperline;
2449 } __attribute__ ((packed));
2450
2451 /**
2452 * struct v4l2_format - stream data format
2453 * @type: enum v4l2_buf_type; type of the data stream
2454 * @fmt.pix: definition of an image format
2455 * @fmt.pix_mp: definition of a multiplanar image format
2456 * @fmt.win: definition of an overlaid image
2457 * @fmt.vbi: raw VBI capture or output parameters
2458 * @fmt.sliced: sliced VBI capture or output parameters
2459 * @fmt.raw_data: placeholder for future extensions and custom formats
2460 * @fmt: union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr,
2461 * @meta and @raw_data
2462 */
2463 struct v4l2_format {
2464 __u32 type;
2465 union {
2466 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
2467 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
2468 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
2469 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */
2470 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
2471 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */
2472 struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */
2473 __u8 raw_data[200]; /* user-defined */
2474 } fmt;
2475 };
2476
2477 /* Stream type-dependent parameters
2478 */
2479 struct v4l2_streamparm {
2480 __u32 type; /* enum v4l2_buf_type */
2481 union {
2482 struct v4l2_captureparm capture;
2483 struct v4l2_outputparm output;
2484 __u8 raw_data[200]; /* user-defined */
2485 } parm;
2486 };
2487
2488 /*
2489 * E V E N T S
2490 */
2491
2492 #define V4L2_EVENT_ALL 0
2493 #define V4L2_EVENT_VSYNC 1
2494 #define V4L2_EVENT_EOS 2
2495 #define V4L2_EVENT_CTRL 3
2496 #define V4L2_EVENT_FRAME_SYNC 4
2497 #define V4L2_EVENT_SOURCE_CHANGE 5
2498 #define V4L2_EVENT_MOTION_DET 6
2499 #define V4L2_EVENT_PRIVATE_START 0x08000000
2500
2501 /* Payload for V4L2_EVENT_VSYNC */
2502 struct v4l2_event_vsync {
2503 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
2504 __u8 field;
2505 } __attribute__ ((packed));
2506
2507 /* Payload for V4L2_EVENT_CTRL */
2508 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0)
2509 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1)
2510 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2)
2511 #define V4L2_EVENT_CTRL_CH_DIMENSIONS (1 << 3)
2512
2513 struct v4l2_event_ctrl {
2514 __u32 changes;
2515 __u32 type;
2516 union {
2517 __s32 value;
2518 __s64 value64;
2519 };
2520 __u32 flags;
2521 __s32 minimum;
2522 __s32 maximum;
2523 __s32 step;
2524 __s32 default_value;
2525 };
2526
2527 struct v4l2_event_frame_sync {
2528 __u32 frame_sequence;
2529 };
2530
2531 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0)
2532
2533 struct v4l2_event_src_change {
2534 __u32 changes;
2535 };
2536
2537 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0)
2538
2539 /**
2540 * struct v4l2_event_motion_det - motion detection event
2541 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
2542 * frame_sequence field is valid.
2543 * @frame_sequence: the frame sequence number associated with this event.
2544 * @region_mask: which regions detected motion.
2545 */
2546 struct v4l2_event_motion_det {
2547 __u32 flags;
2548 __u32 frame_sequence;
2549 __u32 region_mask;
2550 };
2551
2552 struct v4l2_event {
2553 __u32 type;
2554 union {
2555 struct v4l2_event_vsync vsync;
2556 struct v4l2_event_ctrl ctrl;
2557 struct v4l2_event_frame_sync frame_sync;
2558 struct v4l2_event_src_change src_change;
2559 struct v4l2_event_motion_det motion_det;
2560 __u8 data[64];
2561 } u;
2562 __u32 pending;
2563 __u32 sequence;
2564 #ifdef __KERNEL__
2565 struct __kernel_timespec timestamp;
2566 #else
2567 struct timespec timestamp;
2568 #endif
2569 __u32 id;
2570 __u32 reserved[8];
2571 };
2572
2573 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0)
2574 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1)
2575
2576 struct v4l2_event_subscription {
2577 __u32 type;
2578 __u32 id;
2579 __u32 flags;
2580 __u32 reserved[5];
2581 };
2582
2583 /*
2584 * A D V A N C E D D E B U G G I N G
2585 *
2586 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
2587 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
2588 */
2589
2590 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
2591
2592 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */
2593 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */
2594
2595 /* The following four defines are no longer in use */
2596 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
2597 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */
2598 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */
2599 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */
2600
2601 struct v4l2_dbg_match {
2602 __u32 type; /* Match type */
2603 union { /* Match this chip, meaning determined by type */
2604 __u32 addr;
2605 char name[32];
2606 };
2607 } __attribute__ ((packed));
2608
2609 struct v4l2_dbg_register {
2610 struct v4l2_dbg_match match;
2611 __u32 size; /* register size in bytes */
2612 __u64 reg;
2613 __u64 val;
2614 } __attribute__ ((packed));
2615
2616 #define V4L2_CHIP_FL_READABLE (1 << 0)
2617 #define V4L2_CHIP_FL_WRITABLE (1 << 1)
2618
2619 /* VIDIOC_DBG_G_CHIP_INFO */
2620 struct v4l2_dbg_chip_info {
2621 struct v4l2_dbg_match match;
2622 char name[32];
2623 __u32 flags;
2624 __u32 reserved[32];
2625 } __attribute__ ((packed));
2626
2627 /**
2628 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
2629 * @index: on return, index of the first created buffer
2630 * @count: entry: number of requested buffers,
2631 * return: number of created buffers
2632 * @memory: enum v4l2_memory; buffer memory type
2633 * @format: frame format, for which buffers are requested
2634 * @capabilities: capabilities of this buffer type.
2635 * @flags: additional buffer management attributes (ignored unless the
2636 * queue has V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS capability
2637 * and configured for MMAP streaming I/O).
2638 * @max_num_buffers: if V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS capability flag is set
2639 * this field indicate the maximum possible number of buffers
2640 * for this queue.
2641 * @reserved: future extensions
2642 */
2643 struct v4l2_create_buffers {
2644 __u32 index;
2645 __u32 count;
2646 __u32 memory;
2647 struct v4l2_format format;
2648 __u32 capabilities;
2649 __u32 flags;
2650 __u32 max_num_buffers;
2651 __u32 reserved[5];
2652 };
2653
2654 /**
2655 * struct v4l2_remove_buffers - VIDIOC_REMOVE_BUFS argument
2656 * @index: the first buffer to be removed
2657 * @count: number of buffers to removed
2658 * @type: enum v4l2_buf_type
2659 * @reserved: future extensions
2660 */
2661 struct v4l2_remove_buffers {
2662 __u32 index;
2663 __u32 count;
2664 __u32 type;
2665 __u32 reserved[13];
2666 };
2667
2668 /*
2669 * 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
2670 *
2671 */
2672 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability)
2673 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc)
2674 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format)
2675 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format)
2676 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers)
2677 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer)
2678 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer)
2679 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer)
2680 #define VIDIOC_OVERLAY _IOW('V', 14, int)
2681 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer)
2682 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer)
2683 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer)
2684 #define VIDIOC_STREAMON _IOW('V', 18, int)
2685 #define VIDIOC_STREAMOFF _IOW('V', 19, int)
2686 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm)
2687 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm)
2688 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id)
2689 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id)
2690 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard)
2691 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input)
2692 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control)
2693 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control)
2694 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner)
2695 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner)
2696 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio)
2697 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio)
2698 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl)
2699 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu)
2700 #define VIDIOC_G_INPUT _IOR('V', 38, int)
2701 #define VIDIOC_S_INPUT _IOWR('V', 39, int)
2702 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid)
2703 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid)
2704 #define VIDIOC_G_OUTPUT _IOR('V', 46, int)
2705 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int)
2706 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output)
2707 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout)
2708 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout)
2709 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator)
2710 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator)
2711 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency)
2712 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency)
2713 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap)
2714 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop)
2715 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop)
2716 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression)
2717 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression)
2718 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id)
2719 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format)
2720 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio)
2721 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout)
2722 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */
2723 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */
2724 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
2725 #define VIDIOC_LOG_STATUS _IO('V', 70)
2726 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls)
2727 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls)
2728 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls)
2729 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum)
2730 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
2731 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx)
2732 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd)
2733 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd)
2734
2735 /*
2736 * Experimental, meant for debugging, testing and internal use.
2737 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
2738 * You must be root to use these ioctls. Never use these in applications!
2739 */
2740 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register)
2741 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register)
2742
2743 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek)
2744 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings)
2745 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings)
2746 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event)
2747 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription)
2748 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
2749 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers)
2750 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer)
2751 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection)
2752 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection)
2753 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd)
2754 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd)
2755 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings)
2756 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings)
2757 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap)
2758 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band)
2759
2760 /*
2761 * Experimental, meant for debugging, testing and internal use.
2762 * Never use this in applications!
2763 */
2764 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info)
2765
2766 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl)
2767 #define VIDIOC_REMOVE_BUFS _IOWR('V', 104, struct v4l2_remove_buffers)
2768
2769
2770 /* Reminder: when adding new ioctls please add support for them to
2771 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */
2772
2773 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */
2774
2775 /* Deprecated definitions kept for backwards compatibility */
2776 #ifndef __KERNEL__
2777 #define V4L2_PIX_FMT_HM12 V4L2_PIX_FMT_NV12_16L16
2778 #define V4L2_PIX_FMT_SUNXI_TILED_NV12 V4L2_PIX_FMT_NV12_32L32
2779 /*
2780 * This capability was never implemented, anyone using this cap should drop it
2781 * from their code.
2782 */
2783 #define V4L2_CAP_ASYNCIO 0x02000000
2784 #endif
2785
2786 #endif /* _UAPI__LINUX_VIDEODEV2_H */
2787