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 64
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 enum v4l2_tuner_type {
175 V4L2_TUNER_RADIO = 1,
176 V4L2_TUNER_ANALOG_TV = 2,
177 V4L2_TUNER_DIGITAL_TV = 3,
178 V4L2_TUNER_SDR = 4,
179 V4L2_TUNER_RF = 5,
180 };
181
182 /* Deprecated, do not use */
183 #define V4L2_TUNER_ADC V4L2_TUNER_SDR
184
185 enum v4l2_memory {
186 V4L2_MEMORY_MMAP = 1,
187 V4L2_MEMORY_USERPTR = 2,
188 V4L2_MEMORY_OVERLAY = 3,
189 V4L2_MEMORY_DMABUF = 4,
190 };
191
192 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
193 enum v4l2_colorspace {
194 /*
195 * Default colorspace, i.e. let the driver figure it out.
196 * Can only be used with video capture.
197 */
198 V4L2_COLORSPACE_DEFAULT = 0,
199
200 /* SMPTE 170M: used for broadcast NTSC/PAL SDTV */
201 V4L2_COLORSPACE_SMPTE170M = 1,
202
203 /* Obsolete pre-1998 SMPTE 240M HDTV standard, superseded by Rec 709 */
204 V4L2_COLORSPACE_SMPTE240M = 2,
205
206 /* Rec.709: used for HDTV */
207 V4L2_COLORSPACE_REC709 = 3,
208
209 /*
210 * Deprecated, do not use. No driver will ever return this. This was
211 * based on a misunderstanding of the bt878 datasheet.
212 */
213 V4L2_COLORSPACE_BT878 = 4,
214
215 /*
216 * NTSC 1953 colorspace. This only makes sense when dealing with
217 * really, really old NTSC recordings. Superseded by SMPTE 170M.
218 */
219 V4L2_COLORSPACE_470_SYSTEM_M = 5,
220
221 /*
222 * EBU Tech 3213 PAL/SECAM colorspace. This only makes sense when
223 * dealing with really old PAL/SECAM recordings. Superseded by
224 * SMPTE 170M.
225 */
226 V4L2_COLORSPACE_470_SYSTEM_BG = 6,
227
228 /*
229 * Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601
230 * and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG.
231 */
232 V4L2_COLORSPACE_JPEG = 7,
233
234 /* For RGB colorspaces such as produces by most webcams. */
235 V4L2_COLORSPACE_SRGB = 8,
236
237 /* opRGB colorspace */
238 V4L2_COLORSPACE_OPRGB = 9,
239
240 /* BT.2020 colorspace, used for UHDTV. */
241 V4L2_COLORSPACE_BT2020 = 10,
242
243 /* Raw colorspace: for RAW unprocessed images */
244 V4L2_COLORSPACE_RAW = 11,
245
246 /* DCI-P3 colorspace, used by cinema projectors */
247 V4L2_COLORSPACE_DCI_P3 = 12,
248 };
249
250 /*
251 * Determine how COLORSPACE_DEFAULT should map to a proper colorspace.
252 * This depends on whether this is a SDTV image (use SMPTE 170M), an
253 * HDTV image (use Rec. 709), or something else (use sRGB).
254 */
255 #define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \
256 ((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \
257 ((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB))
258
259 enum v4l2_xfer_func {
260 /*
261 * Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions
262 * for the various colorspaces:
263 *
264 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
265 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and
266 * V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709
267 *
268 * V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB
269 *
270 * V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB
271 *
272 * V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M
273 *
274 * V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE
275 *
276 * V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3
277 */
278 V4L2_XFER_FUNC_DEFAULT = 0,
279 V4L2_XFER_FUNC_709 = 1,
280 V4L2_XFER_FUNC_SRGB = 2,
281 V4L2_XFER_FUNC_OPRGB = 3,
282 V4L2_XFER_FUNC_SMPTE240M = 4,
283 V4L2_XFER_FUNC_NONE = 5,
284 V4L2_XFER_FUNC_DCI_P3 = 6,
285 V4L2_XFER_FUNC_SMPTE2084 = 7,
286 };
287
288 /*
289 * Determine how XFER_FUNC_DEFAULT should map to a proper transfer function.
290 * This depends on the colorspace.
291 */
292 #define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \
293 ((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \
294 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \
295 ((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \
296 ((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \
297 ((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \
298 V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709)))))
299
300 enum v4l2_ycbcr_encoding {
301 /*
302 * Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the
303 * various colorspaces:
304 *
305 * V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
306 * V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB,
307 * V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601
308 *
309 * V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709
310 *
311 * V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020
312 *
313 * V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M
314 */
315 V4L2_YCBCR_ENC_DEFAULT = 0,
316
317 /* ITU-R 601 -- SDTV */
318 V4L2_YCBCR_ENC_601 = 1,
319
320 /* Rec. 709 -- HDTV */
321 V4L2_YCBCR_ENC_709 = 2,
322
323 /* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */
324 V4L2_YCBCR_ENC_XV601 = 3,
325
326 /* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */
327 V4L2_YCBCR_ENC_XV709 = 4,
328
329 #ifndef __KERNEL__
330 /*
331 * sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added
332 * originally due to a misunderstanding of the sYCC standard. It should
333 * not be used, instead use V4L2_YCBCR_ENC_601.
334 */
335 V4L2_YCBCR_ENC_SYCC = 5,
336 #endif
337
338 /* BT.2020 Non-constant Luminance Y'CbCr */
339 V4L2_YCBCR_ENC_BT2020 = 6,
340
341 /* BT.2020 Constant Luminance Y'CbcCrc */
342 V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7,
343
344 /* SMPTE 240M -- Obsolete HDTV */
345 V4L2_YCBCR_ENC_SMPTE240M = 8,
346 };
347
348 /*
349 * enum v4l2_hsv_encoding values should not collide with the ones from
350 * enum v4l2_ycbcr_encoding.
351 */
352 enum v4l2_hsv_encoding {
353
354 /* Hue mapped to 0 - 179 */
355 V4L2_HSV_ENC_180 = 128,
356
357 /* Hue mapped to 0-255 */
358 V4L2_HSV_ENC_256 = 129,
359 };
360
361 /*
362 * Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding.
363 * This depends on the colorspace.
364 */
365 #define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \
366 (((colsp) == V4L2_COLORSPACE_REC709 || \
367 (colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \
368 ((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \
369 ((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \
370 V4L2_YCBCR_ENC_601)))
371
372 enum v4l2_quantization {
373 /*
374 * The default for R'G'B' quantization is always full range, except
375 * for the BT2020 colorspace. For Y'CbCr the quantization is always
376 * limited range, except for COLORSPACE_JPEG: this is full range.
377 */
378 V4L2_QUANTIZATION_DEFAULT = 0,
379 V4L2_QUANTIZATION_FULL_RANGE = 1,
380 V4L2_QUANTIZATION_LIM_RANGE = 2,
381 };
382
383 /*
384 * Determine how QUANTIZATION_DEFAULT should map to a proper quantization.
385 * This depends on whether the image is RGB or not, the colorspace and the
386 * Y'CbCr encoding.
387 */
388 #define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \
389 (((is_rgb_or_hsv) && (colsp) == V4L2_COLORSPACE_BT2020) ? \
390 V4L2_QUANTIZATION_LIM_RANGE : \
391 (((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \
392 V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE))
393
394 /*
395 * Deprecated names for opRGB colorspace (IEC 61966-2-5)
396 *
397 * WARNING: Please don't use these deprecated defines in your code, as
398 * there is a chance we have to remove them in the future.
399 */
400 #ifndef __KERNEL__
401 #define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB
402 #define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB
403 #endif
404
405 enum v4l2_priority {
406 V4L2_PRIORITY_UNSET = 0, /* not initialized */
407 V4L2_PRIORITY_BACKGROUND = 1,
408 V4L2_PRIORITY_INTERACTIVE = 2,
409 V4L2_PRIORITY_RECORD = 3,
410 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE,
411 };
412
413 struct v4l2_rect {
414 __s32 left;
415 __s32 top;
416 __u32 width;
417 __u32 height;
418 };
419
420 struct v4l2_fract {
421 __u32 numerator;
422 __u32 denominator;
423 };
424
425 struct v4l2_area {
426 __u32 width;
427 __u32 height;
428 };
429
430 /**
431 * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
432 *
433 * @driver: name of the driver module (e.g. "bttv")
434 * @card: name of the card (e.g. "Hauppauge WinTV")
435 * @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) )
436 * @version: KERNEL_VERSION
437 * @capabilities: capabilities of the physical device as a whole
438 * @device_caps: capabilities accessed via this particular device (node)
439 * @reserved: reserved fields for future extensions
440 */
441 struct v4l2_capability {
442 __u8 driver[16];
443 __u8 card[32];
444 __u8 bus_info[32];
445 __u32 version;
446 __u32 capabilities;
447 __u32 device_caps;
448 __u32 reserved[3];
449 };
450
451 /* Values for 'capabilities' field */
452 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */
453 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */
454 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */
455 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */
456 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */
457 #define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */
458 #define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */
459 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */
460 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */
461 #define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */
462 #define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */
463
464 /* Is a video capture device that supports multiplanar formats */
465 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000
466 /* Is a video output device that supports multiplanar formats */
467 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000
468 /* Is a video mem-to-mem device that supports multiplanar formats */
469 #define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000
470 /* Is a video mem-to-mem device */
471 #define V4L2_CAP_VIDEO_M2M 0x00008000
472
473 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */
474 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */
475 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */
476 #define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */
477
478 #define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */
479 #define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */
480 #define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */
481 #define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */
482
483 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
484 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */
485 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */
486 #define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */
487
488 #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */
489
490 #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */
491
492 /*
493 * V I D E O I M A G E F O R M A T
494 */
495 struct v4l2_pix_format {
496 __u32 width;
497 __u32 height;
498 __u32 pixelformat;
499 __u32 field; /* enum v4l2_field */
500 __u32 bytesperline; /* for padding, zero if unused */
501 __u32 sizeimage;
502 __u32 colorspace; /* enum v4l2_colorspace */
503 __u32 priv; /* private data, depends on pixelformat */
504 __u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */
505 union {
506 /* enum v4l2_ycbcr_encoding */
507 __u32 ycbcr_enc;
508 /* enum v4l2_hsv_encoding */
509 __u32 hsv_enc;
510 };
511 __u32 quantization; /* enum v4l2_quantization */
512 __u32 xfer_func; /* enum v4l2_xfer_func */
513 };
514
515 /* Pixel format FOURCC depth Description */
516
517 /* RGB formats */
518 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */
519 #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */
520 #define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */
521 #define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */
522 #define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2') /* 16 rrrrgggg bbbbaaaa */
523 #define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16 rrrrgggg bbbbxxxx */
524 #define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16 aaaabbbb ggggrrrr */
525 #define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16 xxxxbbbb ggggrrrr */
526
527 /*
528 * Originally this had 'BA12' as fourcc, but this clashed with the older
529 * V4L2_PIX_FMT_SGRBG12 which inexplicably used that same fourcc.
530 * So use 'GA12' instead for V4L2_PIX_FMT_BGRA444.
531 */
532 #define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('G', 'A', '1', '2') /* 16 bbbbgggg rrrraaaa */
533 #define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16 bbbbgggg rrrrxxxx */
534 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */
535 #define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */
536 #define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */
537 #define V4L2_PIX_FMT_RGBA555 v4l2_fourcc('R', 'A', '1', '5') /* 16 RGBA-5-5-5-1 */
538 #define V4L2_PIX_FMT_RGBX555 v4l2_fourcc('R', 'X', '1', '5') /* 16 RGBX-5-5-5-1 */
539 #define V4L2_PIX_FMT_ABGR555 v4l2_fourcc('A', 'B', '1', '5') /* 16 ABGR-1-5-5-5 */
540 #define V4L2_PIX_FMT_XBGR555 v4l2_fourcc('X', 'B', '1', '5') /* 16 XBGR-1-5-5-5 */
541 #define V4L2_PIX_FMT_BGRA555 v4l2_fourcc('B', 'A', '1', '5') /* 16 BGRA-5-5-5-1 */
542 #define V4L2_PIX_FMT_BGRX555 v4l2_fourcc('B', 'X', '1', '5') /* 16 BGRX-5-5-5-1 */
543 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */
544 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */
545 #define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */
546 #define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */
547 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */
548 #define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */
549 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */
550 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */
551 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */
552 #define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */
553 #define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */
554 #define V4L2_PIX_FMT_BGRA32 v4l2_fourcc('R', 'A', '2', '4') /* 32 ABGR-8-8-8-8 */
555 #define V4L2_PIX_FMT_BGRX32 v4l2_fourcc('R', 'X', '2', '4') /* 32 XBGR-8-8-8-8 */
556 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */
557 #define V4L2_PIX_FMT_RGBA32 v4l2_fourcc('A', 'B', '2', '4') /* 32 RGBA-8-8-8-8 */
558 #define V4L2_PIX_FMT_RGBX32 v4l2_fourcc('X', 'B', '2', '4') /* 32 RGBX-8-8-8-8 */
559 #define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */
560 #define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */
561
562 /* Grey formats */
563 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */
564 #define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */
565 #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */
566 #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */
567 #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */
568 #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */
569 #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */
570
571 /* Grey bit-packed formats */
572 #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */
573 #define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */
574
575 /* Palette formats */
576 #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */
577
578 /* Chrominance formats */
579 #define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */
580
581 /* Luminance+Chrominance formats */
582 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */
583 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */
584 #define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
585 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */
586 #define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */
587 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */
588 #define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */
589 #define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */
590 #define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */
591 #define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */
592 #define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */
593 #define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */
594 #define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */
595 #define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */
596 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* 8 8-bit color */
597 #define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */
598 #define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */
599
600 /* two planes -- one Y, one Cr + Cb interleaved */
601 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */
602 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */
603 #define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */
604 #define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */
605 #define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */
606 #define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */
607
608 /* two non contiguous planes - one Y, one Cr + Cb interleaved */
609 #define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */
610 #define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */
611 #define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */
612 #define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */
613 #define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */
614 #define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */
615
616 /* three planes - Y Cb, Cr */
617 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */
618 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */
619 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */
620 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */
621 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */
622 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */
623
624 /* three non contiguous planes - Y, Cb, Cr */
625 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */
626 #define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */
627 #define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */
628 #define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */
629 #define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */
630 #define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */
631
632 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
633 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */
634 #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */
635 #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */
636 #define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */
637 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */
638 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */
639 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */
640 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */
641 /* 10bit raw bayer packed, 5 bytes for every 4 pixels */
642 #define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A')
643 #define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A')
644 #define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A')
645 #define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A')
646 /* 10bit raw bayer a-law compressed to 8 bits */
647 #define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
648 #define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
649 #define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
650 #define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
651 /* 10bit raw bayer DPCM compressed to 8 bits */
652 #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
653 #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
654 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
655 #define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
656 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */
657 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */
658 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */
659 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */
660 /* 12bit raw bayer packed, 6 bytes for every 4 pixels */
661 #define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C')
662 #define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C')
663 #define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C')
664 #define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C')
665 /* 14bit raw bayer packed, 7 bytes for every 4 pixels */
666 #define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E')
667 #define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E')
668 #define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E')
669 #define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E')
670 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */
671 #define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */
672 #define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */
673 #define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */
674
675 /* HSV formats */
676 #define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3')
677 #define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4')
678
679 /* compressed formats */
680 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */
681 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */
682 #define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */
683 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
684 #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
685 #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
686 #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
687 #define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */
688 #define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */
689 #define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */
690 #define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */
691 #define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */
692 #define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */
693 #define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
694 #define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
695 #define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */
696 #define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */
697 #define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */
698 #define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */
699 #define V4L2_PIX_FMT_FWHT_STATELESS v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */
700
701 /* Vendor-specific formats */
702 #define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
703 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
704 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
705 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
706 #define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
707 #define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
708 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
709 #define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
710 #define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
711 #define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
712 #define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
713 #define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
714 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
715 #define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */
716 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
717 #define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
718 #define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
719 #define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
720 #define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
721 #define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
722 #define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
723 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
724 #define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
725 #define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
726 #define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */
727 #define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
728 #define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */
729 #define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
730 #define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
731 #define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */
732 #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */
733 #define V4L2_PIX_FMT_SUNXI_TILED_NV12 v4l2_fourcc('S', 'T', '1', '2') /* Sunxi Tiled NV12 Format */
734 #define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */
735
736 /* 10bit raw bayer packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */
737 #define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */
738 #define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */
739 #define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */
740 #define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */
741
742 /* SDR formats - used only for Software Defined Radio devices */
743 #define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
744 #define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
745 #define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */
746 #define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */
747 #define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
748 #define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */
749 #define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */
750 #define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */
751
752 /* Touch formats - used for Touch devices */
753 #define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */
754 #define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */
755 #define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */
756 #define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */
757
758 /* Meta-data formats */
759 #define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */
760 #define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
761 #define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */
762 #define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */
763 #define V4L2_META_FMT_VIVID v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */
764
765 /* priv field value to indicates that subsequent fields are valid. */
766 #define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe
767
768 /* Flags */
769 #define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001
770
771 /*
772 * F O R M A T E N U M E R A T I O N
773 */
774 struct v4l2_fmtdesc {
775 __u32 index; /* Format number */
776 __u32 type; /* enum v4l2_buf_type */
777 __u32 flags;
778 __u8 description[32]; /* Description string */
779 __u32 pixelformat; /* Format fourcc */
780 __u32 reserved[4];
781 };
782
783 #define V4L2_FMT_FLAG_COMPRESSED 0x0001
784 #define V4L2_FMT_FLAG_EMULATED 0x0002
785 #define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM 0x0004
786 #define V4L2_FMT_FLAG_DYN_RESOLUTION 0x0008
787
788 /* Frame Size and frame rate enumeration */
789 /*
790 * F R A M E S I Z E E N U M E R A T I O N
791 */
792 enum v4l2_frmsizetypes {
793 V4L2_FRMSIZE_TYPE_DISCRETE = 1,
794 V4L2_FRMSIZE_TYPE_CONTINUOUS = 2,
795 V4L2_FRMSIZE_TYPE_STEPWISE = 3,
796 };
797
798 struct v4l2_frmsize_discrete {
799 __u32 width; /* Frame width [pixel] */
800 __u32 height; /* Frame height [pixel] */
801 };
802
803 struct v4l2_frmsize_stepwise {
804 __u32 min_width; /* Minimum frame width [pixel] */
805 __u32 max_width; /* Maximum frame width [pixel] */
806 __u32 step_width; /* Frame width step size [pixel] */
807 __u32 min_height; /* Minimum frame height [pixel] */
808 __u32 max_height; /* Maximum frame height [pixel] */
809 __u32 step_height; /* Frame height step size [pixel] */
810 };
811
812 struct v4l2_frmsizeenum {
813 __u32 index; /* Frame size number */
814 __u32 pixel_format; /* Pixel format */
815 __u32 type; /* Frame size type the device supports. */
816
817 union { /* Frame size */
818 struct v4l2_frmsize_discrete discrete;
819 struct v4l2_frmsize_stepwise stepwise;
820 };
821
822 __u32 reserved[2]; /* Reserved space for future use */
823 };
824
825 /*
826 * F R A M E R A T E E N U M E R A T I O N
827 */
828 enum v4l2_frmivaltypes {
829 V4L2_FRMIVAL_TYPE_DISCRETE = 1,
830 V4L2_FRMIVAL_TYPE_CONTINUOUS = 2,
831 V4L2_FRMIVAL_TYPE_STEPWISE = 3,
832 };
833
834 struct v4l2_frmival_stepwise {
835 struct v4l2_fract min; /* Minimum frame interval [s] */
836 struct v4l2_fract max; /* Maximum frame interval [s] */
837 struct v4l2_fract step; /* Frame interval step size [s] */
838 };
839
840 struct v4l2_frmivalenum {
841 __u32 index; /* Frame format index */
842 __u32 pixel_format; /* Pixel format */
843 __u32 width; /* Frame width */
844 __u32 height; /* Frame height */
845 __u32 type; /* Frame interval type the device supports. */
846
847 union { /* Frame interval */
848 struct v4l2_fract discrete;
849 struct v4l2_frmival_stepwise stepwise;
850 };
851
852 __u32 reserved[2]; /* Reserved space for future use */
853 };
854
855 /*
856 * T I M E C O D E
857 */
858 struct v4l2_timecode {
859 __u32 type;
860 __u32 flags;
861 __u8 frames;
862 __u8 seconds;
863 __u8 minutes;
864 __u8 hours;
865 __u8 userbits[4];
866 };
867
868 /* Type */
869 #define V4L2_TC_TYPE_24FPS 1
870 #define V4L2_TC_TYPE_25FPS 2
871 #define V4L2_TC_TYPE_30FPS 3
872 #define V4L2_TC_TYPE_50FPS 4
873 #define V4L2_TC_TYPE_60FPS 5
874
875 /* Flags */
876 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */
877 #define V4L2_TC_FLAG_COLORFRAME 0x0002
878 #define V4L2_TC_USERBITS_field 0x000C
879 #define V4L2_TC_USERBITS_USERDEFINED 0x0000
880 #define V4L2_TC_USERBITS_8BITCHARS 0x0008
881 /* The above is based on SMPTE timecodes */
882
883 struct v4l2_jpegcompression {
884 int quality;
885
886 int APPn; /* Number of APP segment to be written,
887 * must be 0..15 */
888 int APP_len; /* Length of data in JPEG APPn segment */
889 char APP_data[60]; /* Data in the JPEG APPn segment. */
890
891 int COM_len; /* Length of data in JPEG COM segment */
892 char COM_data[60]; /* Data in JPEG COM segment */
893
894 __u32 jpeg_markers; /* Which markers should go into the JPEG
895 * output. Unless you exactly know what
896 * you do, leave them untouched.
897 * Including less markers will make the
898 * resulting code smaller, but there will
899 * be fewer applications which can read it.
900 * The presence of the APP and COM marker
901 * is influenced by APP_len and COM_len
902 * ONLY, not by this property! */
903
904 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */
905 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */
906 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
907 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */
908 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will
909 * always use APP0 */
910 };
911
912 /*
913 * M E M O R Y - M A P P I N G B U F F E R S
914 */
915 struct v4l2_requestbuffers {
916 __u32 count;
917 __u32 type; /* enum v4l2_buf_type */
918 __u32 memory; /* enum v4l2_memory */
919 __u32 capabilities;
920 __u32 reserved[1];
921 };
922
923 /* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */
924 #define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0)
925 #define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1)
926 #define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2)
927 #define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3)
928 #define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4)
929 #define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5)
930
931 /**
932 * struct v4l2_plane - plane info for multi-planar buffers
933 * @bytesused: number of bytes occupied by data in the plane (payload)
934 * @length: size of this plane (NOT the payload) in bytes
935 * @mem_offset: when memory in the associated struct v4l2_buffer is
936 * V4L2_MEMORY_MMAP, equals the offset from the start of
937 * the device memory for this plane (or is a "cookie" that
938 * should be passed to mmap() called on the video node)
939 * @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer
940 * pointing to this plane
941 * @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file
942 * descriptor associated with this plane
943 * @data_offset: offset in the plane to the start of data; usually 0,
944 * unless there is a header in front of the data
945 * @reserved: few userspace clients and drivers use reserved fields
946 * and it is up to them how these fields are used. v4l2
947 * simply copy reserved fields between them.
948 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
949 * with two planes can have one plane for Y, and another for interleaved CbCr
950 * components. Each plane can reside in a separate memory buffer, or even in
951 * a completely separate memory node (e.g. in embedded devices).
952 */
953 struct v4l2_plane {
954 __u32 bytesused;
955 __u32 length;
956 union {
957 __u32 mem_offset;
958 unsigned long userptr;
959 __s32 fd;
960 } m;
961 __u32 data_offset;
962 /* reserved fields used by few userspace clients and drivers */
963 __u32 reserved[11];
964 };
965
966 /**
967 * struct v4l2_buffer - video buffer info
968 * @index: id number of the buffer
969 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
970 * multiplanar buffers);
971 * @bytesused: number of bytes occupied by data in the buffer (payload);
972 * unused (set to 0) for multiplanar buffers
973 * @flags: buffer informational flags
974 * @field: enum v4l2_field; field order of the image in the buffer
975 * @timestamp: frame timestamp
976 * @timecode: frame timecode
977 * @sequence: sequence count of this frame
978 * @memory: enum v4l2_memory; the method, in which the actual video data is
979 * passed
980 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
981 * offset from the start of the device memory for this plane,
982 * (or a "cookie" that should be passed to mmap() as offset)
983 * @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
984 * a userspace pointer pointing to this buffer
985 * @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
986 * a userspace file descriptor associated with this buffer
987 * @planes: for multiplanar buffers; userspace pointer to the array of plane
988 * info structs for this buffer
989 * @length: size in bytes of the buffer (NOT its payload) for single-plane
990 * buffers (when type != *_MPLANE); number of elements in the
991 * planes array for multi-plane buffers
992 * @request_fd: fd of the request that this buffer should use
993 *
994 * Contains data exchanged by application and driver using one of the Streaming
995 * I/O methods.
996 */
997 struct v4l2_buffer {
998 __u32 index;
999 __u32 type;
1000 __u32 bytesused;
1001 __u32 flags;
1002 __u32 field;
1003 struct timeval timestamp;
1004 struct v4l2_timecode timecode;
1005 __u32 sequence;
1006
1007 /* memory location */
1008 __u32 memory;
1009 union {
1010 __u32 offset;
1011 unsigned long userptr;
1012 struct v4l2_plane *planes;
1013 __s32 fd;
1014 } m;
1015 __u32 length;
1016 __u32 reserved2;
1017 union {
1018 __s32 request_fd;
1019 __u32 reserved;
1020 };
1021 };
1022
1023 /**
1024 * v4l2_timeval_to_ns - Convert timeval to nanoseconds
1025 * @ts: pointer to the timeval variable to be converted
1026 *
1027 * Returns the scalar nanosecond representation of the timeval
1028 * parameter.
1029 */
v4l2_timeval_to_ns(const struct timeval * tv)1030 static inline __u64 v4l2_timeval_to_ns(const struct timeval *tv)
1031 {
1032 return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000;
1033 }
1034
1035 /* Flags for 'flags' field */
1036 /* Buffer is mapped (flag) */
1037 #define V4L2_BUF_FLAG_MAPPED 0x00000001
1038 /* Buffer is queued for processing */
1039 #define V4L2_BUF_FLAG_QUEUED 0x00000002
1040 /* Buffer is ready */
1041 #define V4L2_BUF_FLAG_DONE 0x00000004
1042 /* Image is a keyframe (I-frame) */
1043 #define V4L2_BUF_FLAG_KEYFRAME 0x00000008
1044 /* Image is a P-frame */
1045 #define V4L2_BUF_FLAG_PFRAME 0x00000010
1046 /* Image is a B-frame */
1047 #define V4L2_BUF_FLAG_BFRAME 0x00000020
1048 /* Buffer is ready, but the data contained within is corrupted. */
1049 #define V4L2_BUF_FLAG_ERROR 0x00000040
1050 /* Buffer is added to an unqueued request */
1051 #define V4L2_BUF_FLAG_IN_REQUEST 0x00000080
1052 /* timecode field is valid */
1053 #define V4L2_BUF_FLAG_TIMECODE 0x00000100
1054 /* Don't return the capture buffer until OUTPUT timestamp changes */
1055 #define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF 0x00000200
1056 /* Buffer is prepared for queuing */
1057 #define V4L2_BUF_FLAG_PREPARED 0x00000400
1058 /* Cache handling flags */
1059 #define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800
1060 #define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000
1061 /* Timestamp type */
1062 #define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000
1063 #define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000
1064 #define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000
1065 #define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000
1066 /* Timestamp sources. */
1067 #define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000
1068 #define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000
1069 #define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000
1070 /* mem2mem encoder/decoder */
1071 #define V4L2_BUF_FLAG_LAST 0x00100000
1072 /* request_fd is valid */
1073 #define V4L2_BUF_FLAG_REQUEST_FD 0x00800000
1074
1075 /**
1076 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
1077 *
1078 * @index: id number of the buffer
1079 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
1080 * multiplanar buffers);
1081 * @plane: index of the plane to be exported, 0 for single plane queues
1082 * @flags: flags for newly created file, currently only O_CLOEXEC is
1083 * supported, refer to manual of open syscall for more details
1084 * @fd: file descriptor associated with DMABUF (set by driver)
1085 *
1086 * Contains data used for exporting a video buffer as DMABUF file descriptor.
1087 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
1088 * (identical to the cookie used to mmap() the buffer to userspace). All
1089 * reserved fields must be set to zero. The field reserved0 is expected to
1090 * become a structure 'type' allowing an alternative layout of the structure
1091 * content. Therefore this field should not be used for any other extensions.
1092 */
1093 struct v4l2_exportbuffer {
1094 __u32 type; /* enum v4l2_buf_type */
1095 __u32 index;
1096 __u32 plane;
1097 __u32 flags;
1098 __s32 fd;
1099 __u32 reserved[11];
1100 };
1101
1102 /*
1103 * O V E R L A Y P R E V I E W
1104 */
1105 struct v4l2_framebuffer {
1106 __u32 capability;
1107 __u32 flags;
1108 /* FIXME: in theory we should pass something like PCI device + memory
1109 * region + offset instead of some physical address */
1110 void *base;
1111 struct {
1112 __u32 width;
1113 __u32 height;
1114 __u32 pixelformat;
1115 __u32 field; /* enum v4l2_field */
1116 __u32 bytesperline; /* for padding, zero if unused */
1117 __u32 sizeimage;
1118 __u32 colorspace; /* enum v4l2_colorspace */
1119 __u32 priv; /* reserved field, set to 0 */
1120 } fmt;
1121 };
1122 /* Flags for the 'capability' field. Read only */
1123 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
1124 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002
1125 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004
1126 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008
1127 #define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010
1128 #define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020
1129 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040
1130 #define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080
1131 /* Flags for the 'flags' field. */
1132 #define V4L2_FBUF_FLAG_PRIMARY 0x0001
1133 #define V4L2_FBUF_FLAG_OVERLAY 0x0002
1134 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004
1135 #define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008
1136 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010
1137 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020
1138 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040
1139
1140 struct v4l2_clip {
1141 struct v4l2_rect c;
1142 struct v4l2_clip __user *next;
1143 };
1144
1145 struct v4l2_window {
1146 struct v4l2_rect w;
1147 __u32 field; /* enum v4l2_field */
1148 __u32 chromakey;
1149 struct v4l2_clip __user *clips;
1150 __u32 clipcount;
1151 void __user *bitmap;
1152 __u8 global_alpha;
1153 };
1154
1155 /*
1156 * C A P T U R E P A R A M E T E R S
1157 */
1158 struct v4l2_captureparm {
1159 __u32 capability; /* Supported modes */
1160 __u32 capturemode; /* Current mode */
1161 struct v4l2_fract timeperframe; /* Time per frame in seconds */
1162 __u32 extendedmode; /* Driver-specific extensions */
1163 __u32 readbuffers; /* # of buffers for read */
1164 __u32 reserved[4];
1165 };
1166
1167 /* Flags for 'capability' and 'capturemode' fields */
1168 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */
1169 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */
1170
1171 struct v4l2_outputparm {
1172 __u32 capability; /* Supported modes */
1173 __u32 outputmode; /* Current mode */
1174 struct v4l2_fract timeperframe; /* Time per frame in seconds */
1175 __u32 extendedmode; /* Driver-specific extensions */
1176 __u32 writebuffers; /* # of buffers for write */
1177 __u32 reserved[4];
1178 };
1179
1180 /*
1181 * I N P U T I M A G E C R O P P I N G
1182 */
1183 struct v4l2_cropcap {
1184 __u32 type; /* enum v4l2_buf_type */
1185 struct v4l2_rect bounds;
1186 struct v4l2_rect defrect;
1187 struct v4l2_fract pixelaspect;
1188 };
1189
1190 struct v4l2_crop {
1191 __u32 type; /* enum v4l2_buf_type */
1192 struct v4l2_rect c;
1193 };
1194
1195 /**
1196 * struct v4l2_selection - selection info
1197 * @type: buffer type (do not use *_MPLANE types)
1198 * @target: Selection target, used to choose one of possible rectangles;
1199 * defined in v4l2-common.h; V4L2_SEL_TGT_* .
1200 * @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
1201 * @r: coordinates of selection window
1202 * @reserved: for future use, rounds structure size to 64 bytes, set to zero
1203 *
1204 * Hardware may use multiple helper windows to process a video stream.
1205 * The structure is used to exchange this selection areas between
1206 * an application and a driver.
1207 */
1208 struct v4l2_selection {
1209 __u32 type;
1210 __u32 target;
1211 __u32 flags;
1212 struct v4l2_rect r;
1213 __u32 reserved[9];
1214 };
1215
1216
1217 /*
1218 * A N A L O G V I D E O S T A N D A R D
1219 */
1220
1221 typedef __u64 v4l2_std_id;
1222
1223 /* one bit for each */
1224 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001)
1225 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002)
1226 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004)
1227 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008)
1228 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010)
1229 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020)
1230 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040)
1231 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080)
1232
1233 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100)
1234 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200)
1235 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
1236 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
1237
1238 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */
1239 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */
1240 #define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000)
1241 #define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */
1242
1243 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
1244 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
1245 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000)
1246 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000)
1247 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
1248 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
1249 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
1250 #define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000)
1251
1252 /* ATSC/HDTV */
1253 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
1254 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000)
1255
1256 /* FIXME:
1257 Although std_id is 64 bits, there is an issue on PPC32 architecture that
1258 makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
1259 this value to 32 bits.
1260 As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
1261 it should work fine. However, if needed to add more than two standards,
1262 v4l2-common.c should be fixed.
1263 */
1264
1265 /*
1266 * Some macros to merge video standards in order to make live easier for the
1267 * drivers and V4L2 applications
1268 */
1269
1270 /*
1271 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
1272 * Missing here.
1273 */
1274 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\
1275 V4L2_STD_NTSC_M_JP |\
1276 V4L2_STD_NTSC_M_KR)
1277 /* Secam macros */
1278 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\
1279 V4L2_STD_SECAM_K |\
1280 V4L2_STD_SECAM_K1)
1281 /* All Secam Standards */
1282 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\
1283 V4L2_STD_SECAM_G |\
1284 V4L2_STD_SECAM_H |\
1285 V4L2_STD_SECAM_DK |\
1286 V4L2_STD_SECAM_L |\
1287 V4L2_STD_SECAM_LC)
1288 /* PAL macros */
1289 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\
1290 V4L2_STD_PAL_B1 |\
1291 V4L2_STD_PAL_G)
1292 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\
1293 V4L2_STD_PAL_D1 |\
1294 V4L2_STD_PAL_K)
1295 /*
1296 * "Common" PAL - This macro is there to be compatible with the old
1297 * V4L1 concept of "PAL": /BGDKHI.
1298 * Several PAL standards are missing here: /M, /N and /Nc
1299 */
1300 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\
1301 V4L2_STD_PAL_DK |\
1302 V4L2_STD_PAL_H |\
1303 V4L2_STD_PAL_I)
1304 /* Chroma "agnostic" standards */
1305 #define V4L2_STD_B (V4L2_STD_PAL_B |\
1306 V4L2_STD_PAL_B1 |\
1307 V4L2_STD_SECAM_B)
1308 #define V4L2_STD_G (V4L2_STD_PAL_G |\
1309 V4L2_STD_SECAM_G)
1310 #define V4L2_STD_H (V4L2_STD_PAL_H |\
1311 V4L2_STD_SECAM_H)
1312 #define V4L2_STD_L (V4L2_STD_SECAM_L |\
1313 V4L2_STD_SECAM_LC)
1314 #define V4L2_STD_GH (V4L2_STD_G |\
1315 V4L2_STD_H)
1316 #define V4L2_STD_DK (V4L2_STD_PAL_DK |\
1317 V4L2_STD_SECAM_DK)
1318 #define V4L2_STD_BG (V4L2_STD_B |\
1319 V4L2_STD_G)
1320 #define V4L2_STD_MN (V4L2_STD_PAL_M |\
1321 V4L2_STD_PAL_N |\
1322 V4L2_STD_PAL_Nc |\
1323 V4L2_STD_NTSC)
1324
1325 /* Standards where MTS/BTSC stereo could be found */
1326 #define V4L2_STD_MTS (V4L2_STD_NTSC_M |\
1327 V4L2_STD_PAL_M |\
1328 V4L2_STD_PAL_N |\
1329 V4L2_STD_PAL_Nc)
1330
1331 /* Standards for Countries with 60Hz Line frequency */
1332 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\
1333 V4L2_STD_PAL_60 |\
1334 V4L2_STD_NTSC |\
1335 V4L2_STD_NTSC_443)
1336 /* Standards for Countries with 50Hz Line frequency */
1337 #define V4L2_STD_625_50 (V4L2_STD_PAL |\
1338 V4L2_STD_PAL_N |\
1339 V4L2_STD_PAL_Nc |\
1340 V4L2_STD_SECAM)
1341
1342 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\
1343 V4L2_STD_ATSC_16_VSB)
1344 /* Macros with none and all analog standards */
1345 #define V4L2_STD_UNKNOWN 0
1346 #define V4L2_STD_ALL (V4L2_STD_525_60 |\
1347 V4L2_STD_625_50)
1348
1349 struct v4l2_standard {
1350 __u32 index;
1351 v4l2_std_id id;
1352 __u8 name[24];
1353 struct v4l2_fract frameperiod; /* Frames, not fields */
1354 __u32 framelines;
1355 __u32 reserved[4];
1356 };
1357
1358 /*
1359 * D V B T T I M I N G S
1360 */
1361
1362 /** struct v4l2_bt_timings - BT.656/BT.1120 timing data
1363 * @width: total width of the active video in pixels
1364 * @height: total height of the active video in lines
1365 * @interlaced: Interlaced or progressive
1366 * @polarities: Positive or negative polarities
1367 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1368 * @hfrontporch:Horizontal front porch in pixels
1369 * @hsync: Horizontal Sync length in pixels
1370 * @hbackporch: Horizontal back porch in pixels
1371 * @vfrontporch:Vertical front porch in lines
1372 * @vsync: Vertical Sync length in lines
1373 * @vbackporch: Vertical back porch in lines
1374 * @il_vfrontporch:Vertical front porch for the even field
1375 * (aka field 2) of interlaced field formats
1376 * @il_vsync: Vertical Sync length for the even field
1377 * (aka field 2) of interlaced field formats
1378 * @il_vbackporch:Vertical back porch for the even field
1379 * (aka field 2) of interlaced field formats
1380 * @standards: Standards the timing belongs to
1381 * @flags: Flags
1382 * @picture_aspect: The picture aspect ratio (hor/vert).
1383 * @cea861_vic: VIC code as per the CEA-861 standard.
1384 * @hdmi_vic: VIC code as per the HDMI standard.
1385 * @reserved: Reserved fields, must be zeroed.
1386 *
1387 * A note regarding vertical interlaced timings: height refers to the total
1388 * height of the active video frame (= two fields). The blanking timings refer
1389 * to the blanking of each field. So the height of the total frame is
1390 * calculated as follows:
1391 *
1392 * tot_height = height + vfrontporch + vsync + vbackporch +
1393 * il_vfrontporch + il_vsync + il_vbackporch
1394 *
1395 * The active height of each field is height / 2.
1396 */
1397 struct v4l2_bt_timings {
1398 __u32 width;
1399 __u32 height;
1400 __u32 interlaced;
1401 __u32 polarities;
1402 __u64 pixelclock;
1403 __u32 hfrontporch;
1404 __u32 hsync;
1405 __u32 hbackporch;
1406 __u32 vfrontporch;
1407 __u32 vsync;
1408 __u32 vbackporch;
1409 __u32 il_vfrontporch;
1410 __u32 il_vsync;
1411 __u32 il_vbackporch;
1412 __u32 standards;
1413 __u32 flags;
1414 struct v4l2_fract picture_aspect;
1415 __u8 cea861_vic;
1416 __u8 hdmi_vic;
1417 __u8 reserved[46];
1418 } __attribute__ ((packed));
1419
1420 /* Interlaced or progressive format */
1421 #define V4L2_DV_PROGRESSIVE 0
1422 #define V4L2_DV_INTERLACED 1
1423
1424 /* Polarities. If bit is not set, it is assumed to be negative polarity */
1425 #define V4L2_DV_VSYNC_POS_POL 0x00000001
1426 #define V4L2_DV_HSYNC_POS_POL 0x00000002
1427
1428 /* Timings standards */
1429 #define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */
1430 #define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */
1431 #define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */
1432 #define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */
1433 #define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */
1434
1435 /* Flags */
1436
1437 /*
1438 * CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
1439 * GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
1440 * intervals are reduced, allowing a higher resolution over the same
1441 * bandwidth. This is a read-only flag.
1442 */
1443 #define V4L2_DV_FL_REDUCED_BLANKING (1 << 0)
1444 /*
1445 * CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
1446 * of six. These formats can be optionally played at 1 / 1.001 speed.
1447 * This is a read-only flag.
1448 */
1449 #define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1)
1450 /*
1451 * CEA-861 specific: only valid for video transmitters, the flag is cleared
1452 * by receivers.
1453 * If the framerate of the format is a multiple of six, then the pixelclock
1454 * used to set up the transmitter is divided by 1.001 to make it compatible
1455 * with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
1456 * 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
1457 * such frequencies, then the flag will also be cleared.
1458 */
1459 #define V4L2_DV_FL_REDUCED_FPS (1 << 2)
1460 /*
1461 * Specific to interlaced formats: if set, then field 1 is really one half-line
1462 * longer and field 2 is really one half-line shorter, so each field has
1463 * exactly the same number of half-lines. Whether half-lines can be detected
1464 * or used depends on the hardware.
1465 */
1466 #define V4L2_DV_FL_HALF_LINE (1 << 3)
1467 /*
1468 * If set, then this is a Consumer Electronics (CE) video format. Such formats
1469 * differ from other formats (commonly called IT formats) in that if RGB
1470 * encoding is used then by default the RGB values use limited range (i.e.
1471 * use the range 16-235) as opposed to 0-255. All formats defined in CEA-861
1472 * except for the 640x480 format are CE formats.
1473 */
1474 #define V4L2_DV_FL_IS_CE_VIDEO (1 << 4)
1475 /* Some formats like SMPTE-125M have an interlaced signal with a odd
1476 * total height. For these formats, if this flag is set, the first
1477 * field has the extra line. If not, it is the second field.
1478 */
1479 #define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5)
1480 /*
1481 * If set, then the picture_aspect field is valid. Otherwise assume that the
1482 * pixels are square, so the picture aspect ratio is the same as the width to
1483 * height ratio.
1484 */
1485 #define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6)
1486 /*
1487 * If set, then the cea861_vic field is valid and contains the Video
1488 * Identification Code as per the CEA-861 standard.
1489 */
1490 #define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7)
1491 /*
1492 * If set, then the hdmi_vic field is valid and contains the Video
1493 * Identification Code as per the HDMI standard (HDMI Vendor Specific
1494 * InfoFrame).
1495 */
1496 #define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8)
1497 /*
1498 * CEA-861 specific: only valid for video receivers.
1499 * If set, then HW can detect the difference between regular FPS and
1500 * 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with
1501 * the V4L2_DV_FL_CAN_REDUCE_FPS flag set.
1502 */
1503 #define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9)
1504
1505 /* A few useful defines to calculate the total blanking and frame sizes */
1506 #define V4L2_DV_BT_BLANKING_WIDTH(bt) \
1507 ((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch)
1508 #define V4L2_DV_BT_FRAME_WIDTH(bt) \
1509 ((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt))
1510 #define V4L2_DV_BT_BLANKING_HEIGHT(bt) \
1511 ((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \
1512 (bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch)
1513 #define V4L2_DV_BT_FRAME_HEIGHT(bt) \
1514 ((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))
1515
1516 /** struct v4l2_dv_timings - DV timings
1517 * @type: the type of the timings
1518 * @bt: BT656/1120 timings
1519 */
1520 struct v4l2_dv_timings {
1521 __u32 type;
1522 union {
1523 struct v4l2_bt_timings bt;
1524 __u32 reserved[32];
1525 };
1526 } __attribute__ ((packed));
1527
1528 /* Values for the type field */
1529 #define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */
1530
1531
1532 /** struct v4l2_enum_dv_timings - DV timings enumeration
1533 * @index: enumeration index
1534 * @pad: the pad number for which to enumerate timings (used with
1535 * v4l-subdev nodes only)
1536 * @reserved: must be zeroed
1537 * @timings: the timings for the given index
1538 */
1539 struct v4l2_enum_dv_timings {
1540 __u32 index;
1541 __u32 pad;
1542 __u32 reserved[2];
1543 struct v4l2_dv_timings timings;
1544 };
1545
1546 /** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
1547 * @min_width: width in pixels
1548 * @max_width: width in pixels
1549 * @min_height: height in lines
1550 * @max_height: height in lines
1551 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1552 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1553 * @standards: Supported standards
1554 * @capabilities: Supported capabilities
1555 * @reserved: Must be zeroed
1556 */
1557 struct v4l2_bt_timings_cap {
1558 __u32 min_width;
1559 __u32 max_width;
1560 __u32 min_height;
1561 __u32 max_height;
1562 __u64 min_pixelclock;
1563 __u64 max_pixelclock;
1564 __u32 standards;
1565 __u32 capabilities;
1566 __u32 reserved[16];
1567 } __attribute__ ((packed));
1568
1569 /* Supports interlaced formats */
1570 #define V4L2_DV_BT_CAP_INTERLACED (1 << 0)
1571 /* Supports progressive formats */
1572 #define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1)
1573 /* Supports CVT/GTF reduced blanking */
1574 #define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2)
1575 /* Supports custom formats */
1576 #define V4L2_DV_BT_CAP_CUSTOM (1 << 3)
1577
1578 /** struct v4l2_dv_timings_cap - DV timings capabilities
1579 * @type: the type of the timings (same as in struct v4l2_dv_timings)
1580 * @pad: the pad number for which to query capabilities (used with
1581 * v4l-subdev nodes only)
1582 * @bt: the BT656/1120 timings capabilities
1583 */
1584 struct v4l2_dv_timings_cap {
1585 __u32 type;
1586 __u32 pad;
1587 __u32 reserved[2];
1588 union {
1589 struct v4l2_bt_timings_cap bt;
1590 __u32 raw_data[32];
1591 };
1592 };
1593
1594
1595 /*
1596 * V I D E O I N P U T S
1597 */
1598 struct v4l2_input {
1599 __u32 index; /* Which input */
1600 __u8 name[32]; /* Label */
1601 __u32 type; /* Type of input */
1602 __u32 audioset; /* Associated audios (bitfield) */
1603 __u32 tuner; /* enum v4l2_tuner_type */
1604 v4l2_std_id std;
1605 __u32 status;
1606 __u32 capabilities;
1607 __u32 reserved[3];
1608 };
1609
1610 /* Values for the 'type' field */
1611 #define V4L2_INPUT_TYPE_TUNER 1
1612 #define V4L2_INPUT_TYPE_CAMERA 2
1613 #define V4L2_INPUT_TYPE_TOUCH 3
1614
1615 /* field 'status' - general */
1616 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */
1617 #define V4L2_IN_ST_NO_SIGNAL 0x00000002
1618 #define V4L2_IN_ST_NO_COLOR 0x00000004
1619
1620 /* field 'status' - sensor orientation */
1621 /* If sensor is mounted upside down set both bits */
1622 #define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */
1623 #define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */
1624
1625 /* field 'status' - analog */
1626 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
1627 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
1628 #define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */
1629 #define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */
1630
1631 /* field 'status' - digital */
1632 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */
1633 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */
1634 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */
1635
1636 /* field 'status' - VCR and set-top box */
1637 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */
1638 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */
1639 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */
1640
1641 /* capabilities flags */
1642 #define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1643 #define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
1644 #define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */
1645 #define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1646
1647 /*
1648 * V I D E O O U T P U T S
1649 */
1650 struct v4l2_output {
1651 __u32 index; /* Which output */
1652 __u8 name[32]; /* Label */
1653 __u32 type; /* Type of output */
1654 __u32 audioset; /* Associated audios (bitfield) */
1655 __u32 modulator; /* Associated modulator */
1656 v4l2_std_id std;
1657 __u32 capabilities;
1658 __u32 reserved[3];
1659 };
1660 /* Values for the 'type' field */
1661 #define V4L2_OUTPUT_TYPE_MODULATOR 1
1662 #define V4L2_OUTPUT_TYPE_ANALOG 2
1663 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3
1664
1665 /* capabilities flags */
1666 #define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1667 #define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
1668 #define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */
1669 #define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1670
1671 /*
1672 * C O N T R O L S
1673 */
1674 struct v4l2_control {
1675 __u32 id;
1676 __s32 value;
1677 };
1678
1679 struct v4l2_ext_control {
1680 __u32 id;
1681 __u32 size;
1682 __u32 reserved2[1];
1683 union {
1684 __s32 value;
1685 __s64 value64;
1686 char __user *string;
1687 __u8 __user *p_u8;
1688 __u16 __user *p_u16;
1689 __u32 __user *p_u32;
1690 struct v4l2_area __user *p_area;
1691 void __user *ptr;
1692 };
1693 } __attribute__ ((packed));
1694
1695 struct v4l2_ext_controls {
1696 union {
1697 #ifndef __KERNEL__
1698 __u32 ctrl_class;
1699 #endif
1700 __u32 which;
1701 };
1702 __u32 count;
1703 __u32 error_idx;
1704 __s32 request_fd;
1705 __u32 reserved[1];
1706 struct v4l2_ext_control *controls;
1707 };
1708
1709 #define V4L2_CTRL_ID_MASK (0x0fffffff)
1710 #ifndef __KERNEL__
1711 #define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL)
1712 #endif
1713 #define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL)
1714 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
1715 #define V4L2_CTRL_MAX_DIMS (4)
1716 #define V4L2_CTRL_WHICH_CUR_VAL 0
1717 #define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000
1718 #define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000
1719
1720 enum v4l2_ctrl_type {
1721 V4L2_CTRL_TYPE_INTEGER = 1,
1722 V4L2_CTRL_TYPE_BOOLEAN = 2,
1723 V4L2_CTRL_TYPE_MENU = 3,
1724 V4L2_CTRL_TYPE_BUTTON = 4,
1725 V4L2_CTRL_TYPE_INTEGER64 = 5,
1726 V4L2_CTRL_TYPE_CTRL_CLASS = 6,
1727 V4L2_CTRL_TYPE_STRING = 7,
1728 V4L2_CTRL_TYPE_BITMASK = 8,
1729 V4L2_CTRL_TYPE_INTEGER_MENU = 9,
1730
1731 /* Compound types are >= 0x0100 */
1732 V4L2_CTRL_COMPOUND_TYPES = 0x0100,
1733 V4L2_CTRL_TYPE_U8 = 0x0100,
1734 V4L2_CTRL_TYPE_U16 = 0x0101,
1735 V4L2_CTRL_TYPE_U32 = 0x0102,
1736 V4L2_CTRL_TYPE_AREA = 0x0106,
1737 };
1738
1739 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
1740 struct v4l2_queryctrl {
1741 __u32 id;
1742 __u32 type; /* enum v4l2_ctrl_type */
1743 __u8 name[32]; /* Whatever */
1744 __s32 minimum; /* Note signedness */
1745 __s32 maximum;
1746 __s32 step;
1747 __s32 default_value;
1748 __u32 flags;
1749 __u32 reserved[2];
1750 };
1751
1752 /* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */
1753 struct v4l2_query_ext_ctrl {
1754 __u32 id;
1755 __u32 type;
1756 char name[32];
1757 __s64 minimum;
1758 __s64 maximum;
1759 __u64 step;
1760 __s64 default_value;
1761 __u32 flags;
1762 __u32 elem_size;
1763 __u32 elems;
1764 __u32 nr_of_dims;
1765 __u32 dims[V4L2_CTRL_MAX_DIMS];
1766 __u32 reserved[32];
1767 };
1768
1769 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
1770 struct v4l2_querymenu {
1771 __u32 id;
1772 __u32 index;
1773 union {
1774 __u8 name[32]; /* Whatever */
1775 __s64 value;
1776 };
1777 __u32 reserved;
1778 } __attribute__ ((packed));
1779
1780 /* Control flags */
1781 #define V4L2_CTRL_FLAG_DISABLED 0x0001
1782 #define V4L2_CTRL_FLAG_GRABBED 0x0002
1783 #define V4L2_CTRL_FLAG_READ_ONLY 0x0004
1784 #define V4L2_CTRL_FLAG_UPDATE 0x0008
1785 #define V4L2_CTRL_FLAG_INACTIVE 0x0010
1786 #define V4L2_CTRL_FLAG_SLIDER 0x0020
1787 #define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040
1788 #define V4L2_CTRL_FLAG_VOLATILE 0x0080
1789 #define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100
1790 #define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200
1791 #define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400
1792
1793 /* Query flags, to be ORed with the control ID */
1794 #define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000
1795 #define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000
1796
1797 /* User-class control IDs defined by V4L2 */
1798 #define V4L2_CID_MAX_CTRLS 1024
1799 /* IDs reserved for driver specific controls */
1800 #define V4L2_CID_PRIVATE_BASE 0x08000000
1801
1802
1803 /*
1804 * T U N I N G
1805 */
1806 struct v4l2_tuner {
1807 __u32 index;
1808 __u8 name[32];
1809 __u32 type; /* enum v4l2_tuner_type */
1810 __u32 capability;
1811 __u32 rangelow;
1812 __u32 rangehigh;
1813 __u32 rxsubchans;
1814 __u32 audmode;
1815 __s32 signal;
1816 __s32 afc;
1817 __u32 reserved[4];
1818 };
1819
1820 struct v4l2_modulator {
1821 __u32 index;
1822 __u8 name[32];
1823 __u32 capability;
1824 __u32 rangelow;
1825 __u32 rangehigh;
1826 __u32 txsubchans;
1827 __u32 type; /* enum v4l2_tuner_type */
1828 __u32 reserved[3];
1829 };
1830
1831 /* Flags for the 'capability' field */
1832 #define V4L2_TUNER_CAP_LOW 0x0001
1833 #define V4L2_TUNER_CAP_NORM 0x0002
1834 #define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004
1835 #define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008
1836 #define V4L2_TUNER_CAP_STEREO 0x0010
1837 #define V4L2_TUNER_CAP_LANG2 0x0020
1838 #define V4L2_TUNER_CAP_SAP 0x0020
1839 #define V4L2_TUNER_CAP_LANG1 0x0040
1840 #define V4L2_TUNER_CAP_RDS 0x0080
1841 #define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100
1842 #define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200
1843 #define V4L2_TUNER_CAP_FREQ_BANDS 0x0400
1844 #define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800
1845 #define V4L2_TUNER_CAP_1HZ 0x1000
1846
1847 /* Flags for the 'rxsubchans' field */
1848 #define V4L2_TUNER_SUB_MONO 0x0001
1849 #define V4L2_TUNER_SUB_STEREO 0x0002
1850 #define V4L2_TUNER_SUB_LANG2 0x0004
1851 #define V4L2_TUNER_SUB_SAP 0x0004
1852 #define V4L2_TUNER_SUB_LANG1 0x0008
1853 #define V4L2_TUNER_SUB_RDS 0x0010
1854
1855 /* Values for the 'audmode' field */
1856 #define V4L2_TUNER_MODE_MONO 0x0000
1857 #define V4L2_TUNER_MODE_STEREO 0x0001
1858 #define V4L2_TUNER_MODE_LANG2 0x0002
1859 #define V4L2_TUNER_MODE_SAP 0x0002
1860 #define V4L2_TUNER_MODE_LANG1 0x0003
1861 #define V4L2_TUNER_MODE_LANG1_LANG2 0x0004
1862
1863 struct v4l2_frequency {
1864 __u32 tuner;
1865 __u32 type; /* enum v4l2_tuner_type */
1866 __u32 frequency;
1867 __u32 reserved[8];
1868 };
1869
1870 #define V4L2_BAND_MODULATION_VSB (1 << 1)
1871 #define V4L2_BAND_MODULATION_FM (1 << 2)
1872 #define V4L2_BAND_MODULATION_AM (1 << 3)
1873
1874 struct v4l2_frequency_band {
1875 __u32 tuner;
1876 __u32 type; /* enum v4l2_tuner_type */
1877 __u32 index;
1878 __u32 capability;
1879 __u32 rangelow;
1880 __u32 rangehigh;
1881 __u32 modulation;
1882 __u32 reserved[9];
1883 };
1884
1885 struct v4l2_hw_freq_seek {
1886 __u32 tuner;
1887 __u32 type; /* enum v4l2_tuner_type */
1888 __u32 seek_upward;
1889 __u32 wrap_around;
1890 __u32 spacing;
1891 __u32 rangelow;
1892 __u32 rangehigh;
1893 __u32 reserved[5];
1894 };
1895
1896 /*
1897 * R D S
1898 */
1899
1900 struct v4l2_rds_data {
1901 __u8 lsb;
1902 __u8 msb;
1903 __u8 block;
1904 } __attribute__ ((packed));
1905
1906 #define V4L2_RDS_BLOCK_MSK 0x7
1907 #define V4L2_RDS_BLOCK_A 0
1908 #define V4L2_RDS_BLOCK_B 1
1909 #define V4L2_RDS_BLOCK_C 2
1910 #define V4L2_RDS_BLOCK_D 3
1911 #define V4L2_RDS_BLOCK_C_ALT 4
1912 #define V4L2_RDS_BLOCK_INVALID 7
1913
1914 #define V4L2_RDS_BLOCK_CORRECTED 0x40
1915 #define V4L2_RDS_BLOCK_ERROR 0x80
1916
1917 /*
1918 * A U D I O
1919 */
1920 struct v4l2_audio {
1921 __u32 index;
1922 __u8 name[32];
1923 __u32 capability;
1924 __u32 mode;
1925 __u32 reserved[2];
1926 };
1927
1928 /* Flags for the 'capability' field */
1929 #define V4L2_AUDCAP_STEREO 0x00001
1930 #define V4L2_AUDCAP_AVL 0x00002
1931
1932 /* Flags for the 'mode' field */
1933 #define V4L2_AUDMODE_AVL 0x00001
1934
1935 struct v4l2_audioout {
1936 __u32 index;
1937 __u8 name[32];
1938 __u32 capability;
1939 __u32 mode;
1940 __u32 reserved[2];
1941 };
1942
1943 /*
1944 * M P E G S E R V I C E S
1945 */
1946 #if 1
1947 #define V4L2_ENC_IDX_FRAME_I (0)
1948 #define V4L2_ENC_IDX_FRAME_P (1)
1949 #define V4L2_ENC_IDX_FRAME_B (2)
1950 #define V4L2_ENC_IDX_FRAME_MASK (0xf)
1951
1952 struct v4l2_enc_idx_entry {
1953 __u64 offset;
1954 __u64 pts;
1955 __u32 length;
1956 __u32 flags;
1957 __u32 reserved[2];
1958 };
1959
1960 #define V4L2_ENC_IDX_ENTRIES (64)
1961 struct v4l2_enc_idx {
1962 __u32 entries;
1963 __u32 entries_cap;
1964 __u32 reserved[4];
1965 struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
1966 };
1967
1968
1969 #define V4L2_ENC_CMD_START (0)
1970 #define V4L2_ENC_CMD_STOP (1)
1971 #define V4L2_ENC_CMD_PAUSE (2)
1972 #define V4L2_ENC_CMD_RESUME (3)
1973
1974 /* Flags for V4L2_ENC_CMD_STOP */
1975 #define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0)
1976
1977 struct v4l2_encoder_cmd {
1978 __u32 cmd;
1979 __u32 flags;
1980 union {
1981 struct {
1982 __u32 data[8];
1983 } raw;
1984 };
1985 };
1986
1987 /* Decoder commands */
1988 #define V4L2_DEC_CMD_START (0)
1989 #define V4L2_DEC_CMD_STOP (1)
1990 #define V4L2_DEC_CMD_PAUSE (2)
1991 #define V4L2_DEC_CMD_RESUME (3)
1992 #define V4L2_DEC_CMD_FLUSH (4)
1993
1994 /* Flags for V4L2_DEC_CMD_START */
1995 #define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0)
1996
1997 /* Flags for V4L2_DEC_CMD_PAUSE */
1998 #define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0)
1999
2000 /* Flags for V4L2_DEC_CMD_STOP */
2001 #define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0)
2002 #define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1)
2003
2004 /* Play format requirements (returned by the driver): */
2005
2006 /* The decoder has no special format requirements */
2007 #define V4L2_DEC_START_FMT_NONE (0)
2008 /* The decoder requires full GOPs */
2009 #define V4L2_DEC_START_FMT_GOP (1)
2010
2011 /* The structure must be zeroed before use by the application
2012 This ensures it can be extended safely in the future. */
2013 struct v4l2_decoder_cmd {
2014 __u32 cmd;
2015 __u32 flags;
2016 union {
2017 struct {
2018 __u64 pts;
2019 } stop;
2020
2021 struct {
2022 /* 0 or 1000 specifies normal speed,
2023 1 specifies forward single stepping,
2024 -1 specifies backward single stepping,
2025 >1: playback at speed/1000 of the normal speed,
2026 <-1: reverse playback at (-speed/1000) of the normal speed. */
2027 __s32 speed;
2028 __u32 format;
2029 } start;
2030
2031 struct {
2032 __u32 data[16];
2033 } raw;
2034 };
2035 };
2036 #endif
2037
2038
2039 /*
2040 * D A T A S E R V I C E S ( V B I )
2041 *
2042 * Data services API by Michael Schimek
2043 */
2044
2045 /* Raw VBI */
2046 struct v4l2_vbi_format {
2047 __u32 sampling_rate; /* in 1 Hz */
2048 __u32 offset;
2049 __u32 samples_per_line;
2050 __u32 sample_format; /* V4L2_PIX_FMT_* */
2051 __s32 start[2];
2052 __u32 count[2];
2053 __u32 flags; /* V4L2_VBI_* */
2054 __u32 reserved[2]; /* must be zero */
2055 };
2056
2057 /* VBI flags */
2058 #define V4L2_VBI_UNSYNC (1 << 0)
2059 #define V4L2_VBI_INTERLACED (1 << 1)
2060
2061 /* ITU-R start lines for each field */
2062 #define V4L2_VBI_ITU_525_F1_START (1)
2063 #define V4L2_VBI_ITU_525_F2_START (264)
2064 #define V4L2_VBI_ITU_625_F1_START (1)
2065 #define V4L2_VBI_ITU_625_F2_START (314)
2066
2067 /* Sliced VBI
2068 *
2069 * This implements is a proposal V4L2 API to allow SLICED VBI
2070 * required for some hardware encoders. It should change without
2071 * notice in the definitive implementation.
2072 */
2073
2074 struct v4l2_sliced_vbi_format {
2075 __u16 service_set;
2076 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2077 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2078 (equals frame lines 313-336 for 625 line video
2079 standards, 263-286 for 525 line standards) */
2080 __u16 service_lines[2][24];
2081 __u32 io_size;
2082 __u32 reserved[2]; /* must be zero */
2083 };
2084
2085 /* Teletext World System Teletext
2086 (WST), defined on ITU-R BT.653-2 */
2087 #define V4L2_SLICED_TELETEXT_B (0x0001)
2088 /* Video Program System, defined on ETS 300 231*/
2089 #define V4L2_SLICED_VPS (0x0400)
2090 /* Closed Caption, defined on EIA-608 */
2091 #define V4L2_SLICED_CAPTION_525 (0x1000)
2092 /* Wide Screen System, defined on ITU-R BT1119.1 */
2093 #define V4L2_SLICED_WSS_625 (0x4000)
2094
2095 #define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525)
2096 #define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
2097
2098 struct v4l2_sliced_vbi_cap {
2099 __u16 service_set;
2100 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2101 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2102 (equals frame lines 313-336 for 625 line video
2103 standards, 263-286 for 525 line standards) */
2104 __u16 service_lines[2][24];
2105 __u32 type; /* enum v4l2_buf_type */
2106 __u32 reserved[3]; /* must be 0 */
2107 };
2108
2109 struct v4l2_sliced_vbi_data {
2110 __u32 id;
2111 __u32 field; /* 0: first field, 1: second field */
2112 __u32 line; /* 1-23 */
2113 __u32 reserved; /* must be 0 */
2114 __u8 data[48];
2115 };
2116
2117 /*
2118 * Sliced VBI data inserted into MPEG Streams
2119 */
2120
2121 /*
2122 * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
2123 *
2124 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
2125 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
2126 * data
2127 *
2128 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
2129 * definitions are not included here. See the MPEG-2 specifications for details
2130 * on these headers.
2131 */
2132
2133 /* Line type IDs */
2134 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1)
2135 #define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4)
2136 #define V4L2_MPEG_VBI_IVTV_WSS_625 (5)
2137 #define V4L2_MPEG_VBI_IVTV_VPS (7)
2138
2139 struct v4l2_mpeg_vbi_itv0_line {
2140 __u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */
2141 __u8 data[42]; /* Sliced VBI data for the line */
2142 } __attribute__ ((packed));
2143
2144 struct v4l2_mpeg_vbi_itv0 {
2145 __le32 linemask[2]; /* Bitmasks of VBI service lines present */
2146 struct v4l2_mpeg_vbi_itv0_line line[35];
2147 } __attribute__ ((packed));
2148
2149 struct v4l2_mpeg_vbi_ITV0 {
2150 struct v4l2_mpeg_vbi_itv0_line line[36];
2151 } __attribute__ ((packed));
2152
2153 #define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0"
2154 #define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0"
2155
2156 struct v4l2_mpeg_vbi_fmt_ivtv {
2157 __u8 magic[4];
2158 union {
2159 struct v4l2_mpeg_vbi_itv0 itv0;
2160 struct v4l2_mpeg_vbi_ITV0 ITV0;
2161 };
2162 } __attribute__ ((packed));
2163
2164 /*
2165 * A G G R E G A T E S T R U C T U R E S
2166 */
2167
2168 /**
2169 * struct v4l2_plane_pix_format - additional, per-plane format definition
2170 * @sizeimage: maximum size in bytes required for data, for which
2171 * this plane will be used
2172 * @bytesperline: distance in bytes between the leftmost pixels in two
2173 * adjacent lines
2174 */
2175 struct v4l2_plane_pix_format {
2176 __u32 sizeimage;
2177 __u32 bytesperline;
2178 __u16 reserved[6];
2179 } __attribute__ ((packed));
2180
2181 /**
2182 * struct v4l2_pix_format_mplane - multiplanar format definition
2183 * @width: image width in pixels
2184 * @height: image height in pixels
2185 * @pixelformat: little endian four character code (fourcc)
2186 * @field: enum v4l2_field; field order (for interlaced video)
2187 * @colorspace: enum v4l2_colorspace; supplemental to pixelformat
2188 * @plane_fmt: per-plane information
2189 * @num_planes: number of planes for this format
2190 * @flags: format flags (V4L2_PIX_FMT_FLAG_*)
2191 * @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding
2192 * @quantization: enum v4l2_quantization, colorspace quantization
2193 * @xfer_func: enum v4l2_xfer_func, colorspace transfer function
2194 */
2195 struct v4l2_pix_format_mplane {
2196 __u32 width;
2197 __u32 height;
2198 __u32 pixelformat;
2199 __u32 field;
2200 __u32 colorspace;
2201
2202 struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES];
2203 __u8 num_planes;
2204 __u8 flags;
2205 union {
2206 __u8 ycbcr_enc;
2207 __u8 hsv_enc;
2208 };
2209 __u8 quantization;
2210 __u8 xfer_func;
2211 __u8 reserved[7];
2212 } __attribute__ ((packed));
2213
2214 /**
2215 * struct v4l2_sdr_format - SDR format definition
2216 * @pixelformat: little endian four character code (fourcc)
2217 * @buffersize: maximum size in bytes required for data
2218 */
2219 struct v4l2_sdr_format {
2220 __u32 pixelformat;
2221 __u32 buffersize;
2222 __u8 reserved[24];
2223 } __attribute__ ((packed));
2224
2225 /**
2226 * struct v4l2_meta_format - metadata format definition
2227 * @dataformat: little endian four character code (fourcc)
2228 * @buffersize: maximum size in bytes required for data
2229 */
2230 struct v4l2_meta_format {
2231 __u32 dataformat;
2232 __u32 buffersize;
2233 } __attribute__ ((packed));
2234
2235 /**
2236 * struct v4l2_format - stream data format
2237 * @type: enum v4l2_buf_type; type of the data stream
2238 * @pix: definition of an image format
2239 * @pix_mp: definition of a multiplanar image format
2240 * @win: definition of an overlaid image
2241 * @vbi: raw VBI capture or output parameters
2242 * @sliced: sliced VBI capture or output parameters
2243 * @raw_data: placeholder for future extensions and custom formats
2244 */
2245 struct v4l2_format {
2246 __u32 type;
2247 union {
2248 struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
2249 struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
2250 struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
2251 struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */
2252 struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
2253 struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */
2254 struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */
2255 __u8 raw_data[200]; /* user-defined */
2256 } fmt;
2257 };
2258
2259 /* Stream type-dependent parameters
2260 */
2261 struct v4l2_streamparm {
2262 __u32 type; /* enum v4l2_buf_type */
2263 union {
2264 struct v4l2_captureparm capture;
2265 struct v4l2_outputparm output;
2266 __u8 raw_data[200]; /* user-defined */
2267 } parm;
2268 };
2269
2270 /*
2271 * E V E N T S
2272 */
2273
2274 #define V4L2_EVENT_ALL 0
2275 #define V4L2_EVENT_VSYNC 1
2276 #define V4L2_EVENT_EOS 2
2277 #define V4L2_EVENT_CTRL 3
2278 #define V4L2_EVENT_FRAME_SYNC 4
2279 #define V4L2_EVENT_SOURCE_CHANGE 5
2280 #define V4L2_EVENT_MOTION_DET 6
2281 #define V4L2_EVENT_PRIVATE_START 0x08000000
2282
2283 /* Payload for V4L2_EVENT_VSYNC */
2284 struct v4l2_event_vsync {
2285 /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
2286 __u8 field;
2287 } __attribute__ ((packed));
2288
2289 /* Payload for V4L2_EVENT_CTRL */
2290 #define V4L2_EVENT_CTRL_CH_VALUE (1 << 0)
2291 #define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1)
2292 #define V4L2_EVENT_CTRL_CH_RANGE (1 << 2)
2293
2294 struct v4l2_event_ctrl {
2295 __u32 changes;
2296 __u32 type;
2297 union {
2298 __s32 value;
2299 __s64 value64;
2300 };
2301 __u32 flags;
2302 __s32 minimum;
2303 __s32 maximum;
2304 __s32 step;
2305 __s32 default_value;
2306 };
2307
2308 struct v4l2_event_frame_sync {
2309 __u32 frame_sequence;
2310 };
2311
2312 #define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0)
2313
2314 struct v4l2_event_src_change {
2315 __u32 changes;
2316 };
2317
2318 #define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0)
2319
2320 /**
2321 * struct v4l2_event_motion_det - motion detection event
2322 * @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
2323 * frame_sequence field is valid.
2324 * @frame_sequence: the frame sequence number associated with this event.
2325 * @region_mask: which regions detected motion.
2326 */
2327 struct v4l2_event_motion_det {
2328 __u32 flags;
2329 __u32 frame_sequence;
2330 __u32 region_mask;
2331 };
2332
2333 struct v4l2_event {
2334 __u32 type;
2335 union {
2336 struct v4l2_event_vsync vsync;
2337 struct v4l2_event_ctrl ctrl;
2338 struct v4l2_event_frame_sync frame_sync;
2339 struct v4l2_event_src_change src_change;
2340 struct v4l2_event_motion_det motion_det;
2341 __u8 data[64];
2342 } u;
2343 __u32 pending;
2344 __u32 sequence;
2345 struct timespec timestamp;
2346 __u32 id;
2347 __u32 reserved[8];
2348 };
2349
2350 #define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0)
2351 #define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1)
2352
2353 struct v4l2_event_subscription {
2354 __u32 type;
2355 __u32 id;
2356 __u32 flags;
2357 __u32 reserved[5];
2358 };
2359
2360 /*
2361 * A D V A N C E D D E B U G G I N G
2362 *
2363 * NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
2364 * FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
2365 */
2366
2367 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
2368
2369 #define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */
2370 #define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */
2371
2372 /* The following four defines are no longer in use */
2373 #define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
2374 #define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */
2375 #define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */
2376 #define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */
2377
2378 struct v4l2_dbg_match {
2379 __u32 type; /* Match type */
2380 union { /* Match this chip, meaning determined by type */
2381 __u32 addr;
2382 char name[32];
2383 };
2384 } __attribute__ ((packed));
2385
2386 struct v4l2_dbg_register {
2387 struct v4l2_dbg_match match;
2388 __u32 size; /* register size in bytes */
2389 __u64 reg;
2390 __u64 val;
2391 } __attribute__ ((packed));
2392
2393 #define V4L2_CHIP_FL_READABLE (1 << 0)
2394 #define V4L2_CHIP_FL_WRITABLE (1 << 1)
2395
2396 /* VIDIOC_DBG_G_CHIP_INFO */
2397 struct v4l2_dbg_chip_info {
2398 struct v4l2_dbg_match match;
2399 char name[32];
2400 __u32 flags;
2401 __u32 reserved[32];
2402 } __attribute__ ((packed));
2403
2404 /**
2405 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
2406 * @index: on return, index of the first created buffer
2407 * @count: entry: number of requested buffers,
2408 * return: number of created buffers
2409 * @memory: enum v4l2_memory; buffer memory type
2410 * @format: frame format, for which buffers are requested
2411 * @capabilities: capabilities of this buffer type.
2412 * @reserved: future extensions
2413 */
2414 struct v4l2_create_buffers {
2415 __u32 index;
2416 __u32 count;
2417 __u32 memory;
2418 struct v4l2_format format;
2419 __u32 capabilities;
2420 __u32 reserved[7];
2421 };
2422
2423 /*
2424 * 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
2425 *
2426 */
2427 #define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability)
2428 #define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc)
2429 #define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format)
2430 #define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format)
2431 #define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers)
2432 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer)
2433 #define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer)
2434 #define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer)
2435 #define VIDIOC_OVERLAY _IOW('V', 14, int)
2436 #define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer)
2437 #define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer)
2438 #define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer)
2439 #define VIDIOC_STREAMON _IOW('V', 18, int)
2440 #define VIDIOC_STREAMOFF _IOW('V', 19, int)
2441 #define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm)
2442 #define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm)
2443 #define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id)
2444 #define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id)
2445 #define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard)
2446 #define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input)
2447 #define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control)
2448 #define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control)
2449 #define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner)
2450 #define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner)
2451 #define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio)
2452 #define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio)
2453 #define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl)
2454 #define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu)
2455 #define VIDIOC_G_INPUT _IOR('V', 38, int)
2456 #define VIDIOC_S_INPUT _IOWR('V', 39, int)
2457 #define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid)
2458 #define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid)
2459 #define VIDIOC_G_OUTPUT _IOR('V', 46, int)
2460 #define VIDIOC_S_OUTPUT _IOWR('V', 47, int)
2461 #define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output)
2462 #define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout)
2463 #define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout)
2464 #define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator)
2465 #define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator)
2466 #define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency)
2467 #define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency)
2468 #define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap)
2469 #define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop)
2470 #define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop)
2471 #define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression)
2472 #define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression)
2473 #define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id)
2474 #define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format)
2475 #define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio)
2476 #define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout)
2477 #define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */
2478 #define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */
2479 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
2480 #define VIDIOC_LOG_STATUS _IO('V', 70)
2481 #define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls)
2482 #define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls)
2483 #define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls)
2484 #define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum)
2485 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
2486 #define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx)
2487 #define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd)
2488 #define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd)
2489
2490 /*
2491 * Experimental, meant for debugging, testing and internal use.
2492 * Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
2493 * You must be root to use these ioctls. Never use these in applications!
2494 */
2495 #define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register)
2496 #define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register)
2497
2498 #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek)
2499 #define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings)
2500 #define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings)
2501 #define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event)
2502 #define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription)
2503 #define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
2504 #define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers)
2505 #define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer)
2506 #define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection)
2507 #define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection)
2508 #define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd)
2509 #define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd)
2510 #define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings)
2511 #define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings)
2512 #define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap)
2513 #define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band)
2514
2515 /*
2516 * Experimental, meant for debugging, testing and internal use.
2517 * Never use this in applications!
2518 */
2519 #define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info)
2520
2521 #define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl)
2522
2523 /* Reminder: when adding new ioctls please add support for them to
2524 drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */
2525
2526 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */
2527
2528 #endif /* _UAPI__LINUX_VIDEODEV2_H */
2529