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 __LINUX_VIDEODEV2_H
58	#define __LINUX_VIDEODEV2_H
59
60	#include <sys/time.h>
61
62	#include <linux/ioctl.h>
63	#include <linux/types.h>
64	#include <linux/v4l2-common.h>
65	#include <linux/v4l2-controls.h>
66
67	/*
68	* Common stuff for both V4L1 and V4L2
69	* Moved from videodev.h
70	*/
71	#define VIDEO_MAX_FRAME 32
72	#define VIDEO_MAX_PLANES 8
73
74	/*
75	* M I S C E L L A N E O U S
76	*/
77
78	/* Four-character-code (FOURCC) */
79	#define v4l2_fourcc(a, b, c, d)\
80	((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24))
81	#define v4l2_fourcc_be(a, b, c, d) (v4l2_fourcc(a, b, c, d) | (1U << 31))
82
83	/*
84	* E N U M S
85	*/
86	enum v4l2_field {
87	V4L2_FIELD_ANY = 0, /* driver can choose from none,
88	top, bottom, interlaced
89	depending on whatever it thinks
90	is approximate ... */
91	V4L2_FIELD_NONE = 1, /* this device has no fields ... */
92	V4L2_FIELD_TOP = 2, /* top field only */
93	V4L2_FIELD_BOTTOM = 3, /* bottom field only */
94	V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */
95	V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one
96	buffer, top-bottom order */
97	V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */
98	V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into
99	separate buffers */
100	V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field
101	first and the top field is
102	transmitted first */
103	V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field
104	first and the bottom field is
105	transmitted first */
106	};
107	#define V4L2_FIELD_HAS_TOP(field) \
108	((field) == V4L2_FIELD_TOP ||\
109	(field) == V4L2_FIELD_INTERLACED ||\
110	(field) == V4L2_FIELD_INTERLACED_TB ||\
111	(field) == V4L2_FIELD_INTERLACED_BT ||\
112	(field) == V4L2_FIELD_SEQ_TB ||\
113	(field) == V4L2_FIELD_SEQ_BT)
114	#define V4L2_FIELD_HAS_BOTTOM(field) \
115	((field) == V4L2_FIELD_BOTTOM ||\
116	(field) == V4L2_FIELD_INTERLACED ||\
117	(field) == V4L2_FIELD_INTERLACED_TB ||\
118	(field) == V4L2_FIELD_INTERLACED_BT ||\
119	(field) == V4L2_FIELD_SEQ_TB ||\
120	(field) == V4L2_FIELD_SEQ_BT)
121	#define V4L2_FIELD_HAS_BOTH(field) \
122	((field) == V4L2_FIELD_INTERLACED ||\
123	(field) == V4L2_FIELD_INTERLACED_TB ||\
124	(field) == V4L2_FIELD_INTERLACED_BT ||\
125	(field) == V4L2_FIELD_SEQ_TB ||\
126	(field) == V4L2_FIELD_SEQ_BT)
127	#define V4L2_FIELD_HAS_T_OR_B(field) \
128	((field) == V4L2_FIELD_BOTTOM ||\
129	(field) == V4L2_FIELD_TOP ||\
130	(field) == V4L2_FIELD_ALTERNATE)
131	#define V4L2_FIELD_IS_INTERLACED(field) \
132	((field) == V4L2_FIELD_INTERLACED ||\
133	(field) == V4L2_FIELD_INTERLACED_TB ||\
134	(field) == V4L2_FIELD_INTERLACED_BT)
135	#define V4L2_FIELD_IS_SEQUENTIAL(field) \
136	((field) == V4L2_FIELD_SEQ_TB ||\
137	(field) == V4L2_FIELD_SEQ_BT)
138
139	enum v4l2_buf_type {
140	V4L2_BUF_TYPE_VIDEO_CAPTURE = 1,
141	V4L2_BUF_TYPE_VIDEO_OUTPUT = 2,
142	V4L2_BUF_TYPE_VIDEO_OVERLAY = 3,
143	V4L2_BUF_TYPE_VBI_CAPTURE = 4,
144	V4L2_BUF_TYPE_VBI_OUTPUT = 5,
145	V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6,
146	V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7,
147	V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
148	V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9,
149	V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10,
150	V4L2_BUF_TYPE_SDR_CAPTURE = 11,
151	V4L2_BUF_TYPE_SDR_OUTPUT = 12,
152	V4L2_BUF_TYPE_META_CAPTURE = 13,
153	V4L2_BUF_TYPE_META_OUTPUT = 14,
154	/* Deprecated, do not use */
155	V4L2_BUF_TYPE_PRIVATE = 0x80,
156	};
157
158	#define V4L2_TYPE_IS_MULTIPLANAR(type) \
159	((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \
160	|| (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
161
162	#define V4L2_TYPE_IS_OUTPUT(type) \
163	((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT \
164	|| (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE \
165	|| (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \
166	|| (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \
167	|| (type) == V4L2_BUF_TYPE_VBI_OUTPUT \
168	|| (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \
169	|| (type) == V4L2_BUF_TYPE_SDR_OUTPUT \
170	|| (type) == V4L2_BUF_TYPE_META_OUTPUT)
171
172	#define V4L2_TYPE_IS_CAPTURE(type) (!V4L2_TYPE_IS_OUTPUT(type))
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.
223	*/
224	V4L2_COLORSPACE_470_SYSTEM_BG = 6,
225
226	/*
227	* Effectively shorthand for V4L2_COLORSPACE_SRGB, V4L2_YCBCR_ENC_601
228	* and V4L2_QUANTIZATION_FULL_RANGE. To be used for (Motion-)JPEG.
229	*/
230	V4L2_COLORSPACE_JPEG = 7,
231
232	/* For RGB colorspaces such as produces by most webcams. */
233	V4L2_COLORSPACE_SRGB = 8,
234
235	/* opRGB colorspace */
236	V4L2_COLORSPACE_OPRGB = 9,
237
238	/* BT.2020 colorspace, used for UHDTV. */
239	V4L2_COLORSPACE_BT2020 = 10,
240
241	/* Raw colorspace: for RAW unprocessed images */
242	V4L2_COLORSPACE_RAW = 11,
243
244	/* DCI-P3 colorspace, used by cinema projectors */
245	V4L2_COLORSPACE_DCI_P3 = 12,
246
247	};
248
249	/*
250	* Determine how COLORSPACE_DEFAULT should map to a proper colorspace.
251	* This depends on whether this is a SDTV image (use SMPTE 170M), an
252	* HDTV image (use Rec. 709), or something else (use sRGB).
253	*/
254	#define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \
255	((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \
256	((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB))
257
258	enum v4l2_xfer_func {
259	/*
260	* Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions
261	* for the various colorspaces:
262	*
263	* V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
264	* V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and
265	* V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709
266	*
267	* V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB
268	*
269	* V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB
270	*
271	* V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M
272	*
273	* V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE
274	*
275	* V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3
276	*/
277	V4L2_XFER_FUNC_DEFAULT = 0,
278	V4L2_XFER_FUNC_709 = 1,
279	V4L2_XFER_FUNC_SRGB = 2,
280	V4L2_XFER_FUNC_OPRGB = 3,
281	V4L2_XFER_FUNC_SMPTE240M = 4,
282	V4L2_XFER_FUNC_NONE = 5,
283	V4L2_XFER_FUNC_DCI_P3 = 6,
284	V4L2_XFER_FUNC_SMPTE2084 = 7,
285	};
286
287	/*
288	* Determine how XFER_FUNC_DEFAULT should map to a proper transfer function.
289	* This depends on the colorspace.
290	*/
291	#define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \
292	((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \
293	((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \
294	((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \
295	((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \
296	((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \
297	V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709)))))
298
299	enum v4l2_ycbcr_encoding {
300	/*
301	* Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the
302	* various colorspaces:
303	*
304	* V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
305	* V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB,
306	* V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601
307	*
308	* V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709
309	*
310	* V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020
311	*
312	* V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M
313	*/
314	V4L2_YCBCR_ENC_DEFAULT = 0,
315
316	/* ITU-R 601 -- SDTV */
317	V4L2_YCBCR_ENC_601 = 1,
318
319	/* Rec. 709 -- HDTV */
320	V4L2_YCBCR_ENC_709 = 2,
321
322	/* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */
323	V4L2_YCBCR_ENC_XV601 = 3,
324
325	/* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */
326	V4L2_YCBCR_ENC_XV709 = 4,
327
328	/*
329	* sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added
330	* originally due to a misunderstanding of the sYCC standard. It should
331	* not be used, instead use V4L2_YCBCR_ENC_601.
332	*/
333	V4L2_YCBCR_ENC_SYCC = 5,
334
335	/* BT.2020 Non-constant Luminance Y'CbCr */
336	V4L2_YCBCR_ENC_BT2020 = 6,
337
338	/* BT.2020 Constant Luminance Y'CbcCrc */
339	V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7,
340
341	/* SMPTE 240M -- Obsolete HDTV */
342	V4L2_YCBCR_ENC_SMPTE240M = 8,
343	};
344
345	/*
346	* enum v4l2_hsv_encoding values should not collide with the ones from
347	* enum v4l2_ycbcr_encoding.
348	*/
349	enum v4l2_hsv_encoding {
350
351	/* Hue mapped to 0 - 179 */
352	V4L2_HSV_ENC_180 = 128,
353
354	/* Hue mapped to 0-255 */
355	V4L2_HSV_ENC_256 = 129,
356	};
357
358	/*
359	* Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding.
360	* This depends on the colorspace.
361	*/
362	#define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \
363	(((colsp) == V4L2_COLORSPACE_REC709 || \
364	(colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \
365	((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \
366	((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \
367	V4L2_YCBCR_ENC_601)))
368
369	enum v4l2_quantization {
370	/*
371	* The default for R'G'B' quantization is always full range.
372	* For Y'CbCr the quantization is always limited range, except
373	* for COLORSPACE_JPEG: this is full range.
374	*/
375	V4L2_QUANTIZATION_DEFAULT = 0,
376	V4L2_QUANTIZATION_FULL_RANGE = 1,
377	V4L2_QUANTIZATION_LIM_RANGE = 2,
378	};
379
380	/*
381	* Determine how QUANTIZATION_DEFAULT should map to a proper quantization.
382	* This depends on whether the image is RGB or not, the colorspace.
383	* The Y'CbCr encoding is not used anymore, but is still there for backwards
384	* compatibility.
385	*/
386	#define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \
387	(((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \
388	V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE)
389
390	/*
391	* Deprecated names for opRGB colorspace (IEC 61966-2-5)
392	*
393	* WARNING: Please don't use these deprecated defines in your code, as
394	* there is a chance we have to remove them in the future.
395	*/
396	#define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB
397	#define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB
398
399	enum v4l2_priority {
400	V4L2_PRIORITY_UNSET = 0, /* not initialized */
401	V4L2_PRIORITY_BACKGROUND = 1,
402	V4L2_PRIORITY_INTERACTIVE = 2,
403	V4L2_PRIORITY_RECORD = 3,
404	V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE,
405	};
406
407	struct v4l2_rect {
408	__s32 left;
409	__s32 top;
410	__u32 width;
411	__u32 height;
412	};
413
414	struct v4l2_fract {
415	__u32 numerator;
416	__u32 denominator;
417	};
418
419	struct v4l2_area {
420	__u32 width;
421	__u32 height;
422	};
423
424	/**
425	* struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
426	*
427	* @driver: name of the driver module (e.g. "bttv")
428	* @card: name of the card (e.g. "Hauppauge WinTV")
429	* @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) )
430	* @version: KERNEL_VERSION
431	* @capabilities: capabilities of the physical device as a whole
432	* @device_caps: capabilities accessed via this particular device (node)
433	* @reserved: reserved fields for future extensions
434	*/
435	struct v4l2_capability {
436	__u8 driver[16];
437	__u8 card[32];
438	__u8 bus_info[32];
439	__u32 version;
440	__u32 capabilities;
441	__u32 device_caps;
442	__u32 reserved[3];
443	};
444
445	/* Values for 'capabilities' field */
446	#define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */
447	#define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */
448	#define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */
449	#define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */
450	#define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */
451	#define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */
452	#define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */
453	#define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */
454	#define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */
455	#define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */
456	#define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */
457
458	/* Is a video capture device that supports multiplanar formats */
459	#define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000
460	/* Is a video output device that supports multiplanar formats */
461	#define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000
462	/* Is a video mem-to-mem device that supports multiplanar formats */
463	#define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000
464	/* Is a video mem-to-mem device */
465	#define V4L2_CAP_VIDEO_M2M 0x00008000
466
467	#define V4L2_CAP_TUNER 0x00010000 /* has a tuner */
468	#define V4L2_CAP_AUDIO 0x00020000 /* has audio support */
469	#define V4L2_CAP_RADIO 0x00040000 /* is a radio device */
470	#define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */
471
472	#define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */
473	#define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */
474	#define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */
475	#define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */
476
477	#define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
478	#define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */
479	#define V4L2_CAP_META_OUTPUT 0x08000000 /* Is a metadata output device */
480
481	#define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */
482
483	#define V4L2_CAP_IO_MC 0x20000000 /* Is input/output controlled by the media controller */
484
485	#define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */
486
487	/*
488	* V I D E O I M A G E F O R M A T
489	*/
490	struct v4l2_pix_format {
491	__u32 width;
492	__u32 height;
493	__u32 pixelformat;
494	__u32 field; /* enum v4l2_field */
495	__u32 bytesperline; /* for padding, zero if unused */
496	__u32 sizeimage;
497	__u32 colorspace; /* enum v4l2_colorspace */
498	__u32 priv; /* private data, depends on pixelformat */
499	__u32 flags; /* format flags (V4L2_PIX_FMT_FLAG_*) */
500	union {
501	/* enum v4l2_ycbcr_encoding */
502	__u32 ycbcr_enc;
503	/* enum v4l2_hsv_encoding */
504	__u32 hsv_enc;
505	};
506	__u32 quantization; /* enum v4l2_quantization */
507	__u32 xfer_func; /* enum v4l2_xfer_func */
508	};
509
510	/* Pixel format FOURCC depth Description */
511
512	/* RGB formats (1 or 2 bytes per pixel) */
513	#define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */
514	#define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */
515	#define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */
516	#define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */
517	#define V4L2_PIX_FMT_RGBA444 v4l2_fourcc('R', 'A', '1', '2') /* 16 rrrrgggg bbbbaaaa */
518	#define V4L2_PIX_FMT_RGBX444 v4l2_fourcc('R', 'X', '1', '2') /* 16 rrrrgggg bbbbxxxx */
519	#define V4L2_PIX_FMT_ABGR444 v4l2_fourcc('A', 'B', '1', '2') /* 16 aaaabbbb ggggrrrr */
520	#define V4L2_PIX_FMT_XBGR444 v4l2_fourcc('X', 'B', '1', '2') /* 16 xxxxbbbb ggggrrrr */
521	#define V4L2_PIX_FMT_BGRA444 v4l2_fourcc('G', 'A', '1', '2') /* 16 bbbbgggg rrrraaaa */
522	#define V4L2_PIX_FMT_BGRX444 v4l2_fourcc('B', 'X', '1', '2') /* 16 bbbbgggg rrrrxxxx */
523	#define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */
524	#define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */
525	#define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */
526	#define V4L2_PIX_FMT_RGBA555 v4l2_fourcc('R', 'A', '1', '5') /* 16 RGBA-5-5-5-1 */
527	#define V4L2_PIX_FMT_RGBX555 v4l2_fourcc('R', 'X', '1', '5') /* 16 RGBX-5-5-5-1 */
528	#define V4L2_PIX_FMT_ABGR555 v4l2_fourcc('A', 'B', '1', '5') /* 16 ABGR-1-5-5-5 */
529	#define V4L2_PIX_FMT_XBGR555 v4l2_fourcc('X', 'B', '1', '5') /* 16 XBGR-1-5-5-5 */
530	#define V4L2_PIX_FMT_BGRA555 v4l2_fourcc('B', 'A', '1', '5') /* 16 BGRA-5-5-5-1 */
531	#define V4L2_PIX_FMT_BGRX555 v4l2_fourcc('B', 'X', '1', '5') /* 16 BGRX-5-5-5-1 */
532	#define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */
533	#define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */
534	#define V4L2_PIX_FMT_ARGB555X v4l2_fourcc_be('A', 'R', '1', '5') /* 16 ARGB-5-5-5 BE */
535	#define V4L2_PIX_FMT_XRGB555X v4l2_fourcc_be('X', 'R', '1', '5') /* 16 XRGB-5-5-5 BE */
536	#define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */
537
538	/* RGB formats (3 or 4 bytes per pixel) */
539	#define V4L2_PIX_FMT_BGR666 v4l2_fourcc('B', 'G', 'R', 'H') /* 18 BGR-6-6-6 */
540	#define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */
541	#define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */
542	#define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */
543	#define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */
544	#define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */
545	#define V4L2_PIX_FMT_BGRA32 v4l2_fourcc('R', 'A', '2', '4') /* 32 ABGR-8-8-8-8 */
546	#define V4L2_PIX_FMT_BGRX32 v4l2_fourcc('R', 'X', '2', '4') /* 32 XBGR-8-8-8-8 */
547	#define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */
548	#define V4L2_PIX_FMT_RGBA32 v4l2_fourcc('A', 'B', '2', '4') /* 32 RGBA-8-8-8-8 */
549	#define V4L2_PIX_FMT_RGBX32 v4l2_fourcc('X', 'B', '2', '4') /* 32 RGBX-8-8-8-8 */
550	#define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */
551	#define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */
552	#define V4L2_PIX_FMT_RGBX1010102 v4l2_fourcc('R', 'X', '3', '0') /* 32 RGBX-10-10-10-2 */
553	#define V4L2_PIX_FMT_RGBA1010102 v4l2_fourcc('R', 'A', '3', '0') /* 32 RGBA-10-10-10-2 */
554	#define V4L2_PIX_FMT_ARGB2101010 v4l2_fourcc('A', 'R', '3', '0') /* 32 ARGB-2-10-10-10 */
555
556	/* RGB formats (6 or 8 bytes per pixel) */
557	#define V4L2_PIX_FMT_BGR48_12 v4l2_fourcc('B', '3', '1', '2') /* 48 BGR 12-bit per component */
558	#define V4L2_PIX_FMT_ABGR64_12 v4l2_fourcc('B', '4', '1', '2') /* 64 BGRA 12-bit per component */
559
560	/* Grey formats */
561	#define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */
562	#define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */
563	#define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */
564	#define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */
565	#define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */
566	#define V4L2_PIX_FMT_Y012 v4l2_fourcc('Y', '0', '1', '2') /* 12 Greyscale */
567	#define V4L2_PIX_FMT_Y14 v4l2_fourcc('Y', '1', '4', ' ') /* 14 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	#define V4L2_PIX_FMT_IPU3_Y10 v4l2_fourcc('i', 'p', '3', 'y') /* IPU3 packed 10-bit greyscale */
575
576	/* Palette formats */
577	#define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */
578
579	/* Chrominance formats */
580	#define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */
581
582	/* Luminance+Chrominance formats */
583	#define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */
584	#define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */
585	#define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
586	#define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */
587	#define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */
588	#define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */
589	#define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */
590	#define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */
591	#define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */
592	#define V4L2_PIX_FMT_YUV24 v4l2_fourcc('Y', 'U', 'V', '3') /* 24 YUV-8-8-8 */
593	#define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */
594	#define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */
595	#define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */
596	#define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */
597	#define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */
598	#define V4L2_PIX_FMT_YUVA32 v4l2_fourcc('Y', 'U', 'V', 'A') /* 32 YUVA-8-8-8-8 */
599	#define V4L2_PIX_FMT_YUVX32 v4l2_fourcc('Y', 'U', 'V', 'X') /* 32 YUVX-8-8-8-8 */
600	#define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */
601	#define V4L2_PIX_FMT_YUV48_12 v4l2_fourcc('Y', '3', '1', '2') /* 48 YUV 4:4:4 12-bit per component */
602
603	/*
604	* YCbCr packed format. For each Y2xx format, xx bits of valid data occupy the MSBs
605	* of the 16 bit components, and 16-xx bits of zero padding occupy the LSBs.
606	*/
607	#define V4L2_PIX_FMT_Y210 v4l2_fourcc('Y', '2', '1', '0') /* 32 YUYV 4:2:2 */
608	#define V4L2_PIX_FMT_Y212 v4l2_fourcc('Y', '2', '1', '2') /* 32 YUYV 4:2:2 */
609	#define V4L2_PIX_FMT_Y216 v4l2_fourcc('Y', '2', '1', '6') /* 32 YUYV 4:2:2 */
610
611	/* two planes -- one Y, one Cr + Cb interleaved */
612	#define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */
613	#define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */
614	#define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */
615	#define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */
616	#define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */
617	#define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */
618	#define V4L2_PIX_FMT_P010 v4l2_fourcc('P', '0', '1', '0') /* 24 Y/CbCr 4:2:0 10-bit per component */
619	#define V4L2_PIX_FMT_P012 v4l2_fourcc('P', '0', '1', '2') /* 24 Y/CbCr 4:2:0 12-bit per component */
620
621	/* two non contiguous planes - one Y, one Cr + Cb interleaved */
622	#define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */
623	#define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */
624	#define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */
625	#define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */
626	#define V4L2_PIX_FMT_P012M v4l2_fourcc('P', 'M', '1', '2') /* 24 Y/CbCr 4:2:0 12-bit per component */
627
628	/* three planes - Y Cb, Cr */
629	#define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */
630	#define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */
631	#define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */
632	#define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */
633	#define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */
634	#define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */
635
636	/* three non contiguous planes - Y, Cb, Cr */
637	#define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */
638	#define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */
639	#define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */
640	#define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */
641	#define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */
642	#define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */
643
644	/* Tiled YUV formats */
645	#define V4L2_PIX_FMT_NV12_4L4 v4l2_fourcc('V', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 4x4 tiles */
646	#define V4L2_PIX_FMT_NV12_16L16 v4l2_fourcc('H', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */
647	#define V4L2_PIX_FMT_NV12_32L32 v4l2_fourcc('S', 'T', '1', '2') /* 12 Y/CbCr 4:2:0 32x32 tiles */
648	#define V4L2_PIX_FMT_NV15_4L4 v4l2_fourcc('V', 'T', '1', '5') /* 15 Y/CbCr 4:2:0 10-bit 4x4 tiles */
649	#define V4L2_PIX_FMT_P010_4L4 v4l2_fourcc('T', '0', '1', '0') /* 12 Y/CbCr 4:2:0 10-bit 4x4 macroblocks */
650	#define V4L2_PIX_FMT_NV12_8L128 v4l2_fourcc('A', 'T', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */
651	#define V4L2_PIX_FMT_NV12_10BE_8L128 v4l2_fourcc_be('A', 'X', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */
652
653	/* Tiled YUV formats, non contiguous planes */
654	#define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 tiles */
655	#define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 tiles */
656	#define V4L2_PIX_FMT_NV12M_8L128 v4l2_fourcc('N', 'A', '1', '2') /* Y/CbCr 4:2:0 8x128 tiles */
657	#define V4L2_PIX_FMT_NV12M_10BE_8L128 v4l2_fourcc_be('N', 'T', '1', '2') /* Y/CbCr 4:2:0 10-bit 8x128 tiles */
658
659	/* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
660	#define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */
661	#define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */
662	#define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */
663	#define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */
664	#define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */
665	#define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */
666	#define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */
667	#define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */
668	/* 10bit raw bayer packed, 5 bytes for every 4 pixels */
669	#define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A')
670	#define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A')
671	#define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A')
672	#define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A')
673	/* 10bit raw bayer a-law compressed to 8 bits */
674	#define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
675	#define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
676	#define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
677	#define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
678	/* 10bit raw bayer DPCM compressed to 8 bits */
679	#define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
680	#define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
681	#define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
682	#define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
683	#define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */
684	#define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */
685	#define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */
686	#define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */
687	/* 12bit raw bayer packed, 6 bytes for every 4 pixels */
688	#define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C')
689	#define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C')
690	#define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C')
691	#define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C')
692	#define V4L2_PIX_FMT_SBGGR14 v4l2_fourcc('B', 'G', '1', '4') /* 14 BGBG.. GRGR.. */
693	#define V4L2_PIX_FMT_SGBRG14 v4l2_fourcc('G', 'B', '1', '4') /* 14 GBGB.. RGRG.. */
694	#define V4L2_PIX_FMT_SGRBG14 v4l2_fourcc('G', 'R', '1', '4') /* 14 GRGR.. BGBG.. */
695	#define V4L2_PIX_FMT_SRGGB14 v4l2_fourcc('R', 'G', '1', '4') /* 14 RGRG.. GBGB.. */
696	/* 14bit raw bayer packed, 7 bytes for every 4 pixels */
697	#define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E')
698	#define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E')
699	#define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E')
700	#define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E')
701	#define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */
702	#define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */
703	#define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */
704	#define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */
705
706	/* HSV formats */
707	#define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3')
708	#define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4')
709
710	/* compressed formats */
711	#define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */
712	#define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */
713	#define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */
714	#define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
715	#define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
716	#define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
717	#define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
718	#define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */
719	#define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */
720	#define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */
721	#define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */
722	#define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */
723	#define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */
724	#define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
725	#define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
726	#define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */
727	#define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') /* VP8 parsed frame */
728	#define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */
729	#define V4L2_PIX_FMT_VP9_FRAME v4l2_fourcc('V', 'P', '9', 'F') /* VP9 parsed frame */
730	#define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */
731	#define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */
732	#define V4L2_PIX_FMT_FWHT_STATELESS v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */
733	#define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */
734	#define V4L2_PIX_FMT_HEVC_SLICE v4l2_fourcc('S', '2', '6', '5') /* HEVC parsed slices */
735	#define V4L2_PIX_FMT_AV1_FRAME v4l2_fourcc('A', 'V', '1', 'F') /* AV1 parsed frame */
736	#define V4L2_PIX_FMT_SPK v4l2_fourcc('S', 'P', 'K', '0') /* Sorenson Spark */
737	#define V4L2_PIX_FMT_RV30 v4l2_fourcc('R', 'V', '3', '0') /* RealVideo 8 */
738	#define V4L2_PIX_FMT_RV40 v4l2_fourcc('R', 'V', '4', '0') /* RealVideo 9 & 10 */
739
740	/* Vendor-specific formats */
741	#define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
742	#define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
743	#define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
744	#define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
745	#define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
746	#define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
747	#define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
748	#define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
749	#define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
750	#define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
751	#define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
752	#define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
753	#define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
754	#define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */
755	#define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
756	#define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
757	#define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
758	#define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
759	#define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
760	#define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
761	#define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
762	#define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
763	#define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
764	#define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
765	#define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */
766	#define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
767	#define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */
768	#define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
769	#define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
770	#define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */
771	#define V4L2_PIX_FMT_MM21 v4l2_fourcc('M', 'M', '2', '1') /* Mediatek 8-bit block mode, two non-contiguous planes */
772	#define V4L2_PIX_FMT_MT2110T v4l2_fourcc('M', 'T', '2', 'T') /* Mediatek 10-bit block tile mode */
773	#define V4L2_PIX_FMT_MT2110R v4l2_fourcc('M', 'T', '2', 'R') /* Mediatek 10-bit block raster mode */
774	#define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */
775	#define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */
776	#define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* BTTV 8-bit dithered RGB */
777	#define V4L2_PIX_FMT_QC08C v4l2_fourcc('Q', '0', '8', 'C') /* Qualcomm 8-bit compressed */
778	#define V4L2_PIX_FMT_QC10C v4l2_fourcc('Q', '1', '0', 'C') /* Qualcomm 10-bit compressed */
779	#define V4L2_PIX_FMT_AJPG v4l2_fourcc('A', 'J', 'P', 'G') /* Aspeed JPEG */
780	#define V4L2_PIX_FMT_HEXTILE v4l2_fourcc('H', 'X', 'T', 'L') /* Hextile compressed */
781
782	/* 10bit raw packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */
783	#define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */
784	#define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */
785	#define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */
786	#define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */
787
788	/* SDR formats - used only for Software Defined Radio devices */
789	#define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
790	#define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
791	#define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */
792	#define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */
793	#define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
794	#define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */
795	#define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */
796	#define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */
797
798	/* Touch formats - used for Touch devices */
799	#define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */
800	#define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */
801	#define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */
802	#define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */
803
804	/* Meta-data formats */
805	#define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */
806	#define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
807	#define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */
808	#define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */
809	#define V4L2_META_FMT_VIVID v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */
810
811	/* Vendor specific - used for RK_ISP1 camera sub-system */
812	#define V4L2_META_FMT_RK_ISP1_PARAMS v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */
813	#define V4L2_META_FMT_RK_ISP1_STAT_3A v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */
814
815	/* priv field value to indicates that subsequent fields are valid. */
816	#define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe
817
818	/* Flags */
819	#define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001
820	#define V4L2_PIX_FMT_FLAG_SET_CSC 0x00000002
821
822	/*
823	* F O R M A T E N U M E R A T I O N
824	*/
825	struct v4l2_fmtdesc {
826	__u32 index; /* Format number */
827	__u32 type; /* enum v4l2_buf_type */
828	__u32 flags;
829	__u8 description[32]; /* Description string */
830	__u32 pixelformat; /* Format fourcc */
831	__u32 mbus_code; /* Media bus code */
832	__u32 reserved[3];
833	};
834
835	#define V4L2_FMT_FLAG_COMPRESSED 0x0001
836	#define V4L2_FMT_FLAG_EMULATED 0x0002
837	#define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM 0x0004
838	#define V4L2_FMT_FLAG_DYN_RESOLUTION 0x0008
839	#define V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL 0x0010
840	#define V4L2_FMT_FLAG_CSC_COLORSPACE 0x0020
841	#define V4L2_FMT_FLAG_CSC_XFER_FUNC 0x0040
842	#define V4L2_FMT_FLAG_CSC_YCBCR_ENC 0x0080
843	#define V4L2_FMT_FLAG_CSC_HSV_ENC V4L2_FMT_FLAG_CSC_YCBCR_ENC
844	#define V4L2_FMT_FLAG_CSC_QUANTIZATION 0x0100
845
846	/* Frame Size and frame rate enumeration */
847	/*
848	* F R A M E S I Z E E N U M E R A T I O N
849	*/
850	enum v4l2_frmsizetypes {
851	V4L2_FRMSIZE_TYPE_DISCRETE = 1,
852	V4L2_FRMSIZE_TYPE_CONTINUOUS = 2,
853	V4L2_FRMSIZE_TYPE_STEPWISE = 3,
854	};
855
856	struct v4l2_frmsize_discrete {
857	__u32 width; /* Frame width [pixel] */
858	__u32 height; /* Frame height [pixel] */
859	};
860
861	struct v4l2_frmsize_stepwise {
862	__u32 min_width; /* Minimum frame width [pixel] */
863	__u32 max_width; /* Maximum frame width [pixel] */
864	__u32 step_width; /* Frame width step size [pixel] */
865	__u32 min_height; /* Minimum frame height [pixel] */
866	__u32 max_height; /* Maximum frame height [pixel] */
867	__u32 step_height; /* Frame height step size [pixel] */
868	};
869
870	struct v4l2_frmsizeenum {
871	__u32 index; /* Frame size number */
872	__u32 pixel_format; /* Pixel format */
873	__u32 type; /* Frame size type the device supports. */
874
875	union { /* Frame size */
876	struct v4l2_frmsize_discrete discrete;
877	struct v4l2_frmsize_stepwise stepwise;
878	};
879
880	__u32 reserved[2]; /* Reserved space for future use */
881	};
882
883	/*
884	* F R A M E R A T E E N U M E R A T I O N
885	*/
886	enum v4l2_frmivaltypes {
887	V4L2_FRMIVAL_TYPE_DISCRETE = 1,
888	V4L2_FRMIVAL_TYPE_CONTINUOUS = 2,
889	V4L2_FRMIVAL_TYPE_STEPWISE = 3,
890	};
891
892	struct v4l2_frmival_stepwise {
893	struct v4l2_fract min; /* Minimum frame interval [s] */
894	struct v4l2_fract max; /* Maximum frame interval [s] */
895	struct v4l2_fract step; /* Frame interval step size [s] */
896	};
897
898	struct v4l2_frmivalenum {
899	__u32 index; /* Frame format index */
900	__u32 pixel_format; /* Pixel format */
901	__u32 width; /* Frame width */
902	__u32 height; /* Frame height */
903	__u32 type; /* Frame interval type the device supports. */
904
905	union { /* Frame interval */
906	struct v4l2_fract discrete;
907	struct v4l2_frmival_stepwise stepwise;
908	};
909
910	__u32 reserved[2]; /* Reserved space for future use */
911	};
912
913	/*
914	* T I M E C O D E
915	*/
916	struct v4l2_timecode {
917	__u32 type;
918	__u32 flags;
919	__u8 frames;
920	__u8 seconds;
921	__u8 minutes;
922	__u8 hours;
923	__u8 userbits[4];
924	};
925
926	/* Type */
927	#define V4L2_TC_TYPE_24FPS 1
928	#define V4L2_TC_TYPE_25FPS 2
929	#define V4L2_TC_TYPE_30FPS 3
930	#define V4L2_TC_TYPE_50FPS 4
931	#define V4L2_TC_TYPE_60FPS 5
932
933	/* Flags */
934	#define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */
935	#define V4L2_TC_FLAG_COLORFRAME 0x0002
936	#define V4L2_TC_USERBITS_field 0x000C
937	#define V4L2_TC_USERBITS_USERDEFINED 0x0000
938	#define V4L2_TC_USERBITS_8BITCHARS 0x0008
939	/* The above is based on SMPTE timecodes */
940
941	struct v4l2_jpegcompression {
942	int quality;
943
944	int APPn; /* Number of APP segment to be written,
945	* must be 0..15 */
946	int APP_len; /* Length of data in JPEG APPn segment */
947	char APP_data[60]; /* Data in the JPEG APPn segment. */
948
949	int COM_len; /* Length of data in JPEG COM segment */
950	char COM_data[60]; /* Data in JPEG COM segment */
951
952	__u32 jpeg_markers; /* Which markers should go into the JPEG
953	* output. Unless you exactly know what
954	* you do, leave them untouched.
955	* Including less markers will make the
956	* resulting code smaller, but there will
957	* be fewer applications which can read it.
958	* The presence of the APP and COM marker
959	* is influenced by APP_len and COM_len
960	* ONLY, not by this property! */
961
962	#define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */
963	#define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */
964	#define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
965	#define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */
966	#define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will
967	* always use APP0 */
968	};
969
970	/*
971	* M E M O R Y - M A P P I N G B U F F E R S
972	*/
973
974
975	struct v4l2_requestbuffers {
976	__u32 count;
977	__u32 type; /* enum v4l2_buf_type */
978	__u32 memory; /* enum v4l2_memory */
979	__u32 capabilities;
980	__u8 flags;
981	__u8 reserved[3];
982	};
983
984	#define V4L2_MEMORY_FLAG_NON_COHERENT (1 << 0)
985
986	/* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */
987	#define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0)
988	#define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1)
989	#define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2)
990	#define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3)
991	#define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4)
992	#define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5)
993	#define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS (1 << 6)
994	#define V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS (1 << 7)
995
996	/**
997	* struct v4l2_plane - plane info for multi-planar buffers
998	* @bytesused: number of bytes occupied by data in the plane (payload)
999	* @length: size of this plane (NOT the payload) in bytes
1000	* @mem_offset: when memory in the associated struct v4l2_buffer is
1001	* V4L2_MEMORY_MMAP, equals the offset from the start of
1002	* the device memory for this plane (or is a "cookie" that
1003	* should be passed to mmap() called on the video node)
1004	* @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer
1005	* pointing to this plane
1006	* @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file
1007	* descriptor associated with this plane
1008	* @m: union of @mem_offset, @userptr and @fd
1009	* @data_offset: offset in the plane to the start of data; usually 0,
1010	* unless there is a header in front of the data
1011	* @reserved: drivers and applications must zero this array
1012	*
1013	* Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
1014	* with two planes can have one plane for Y, and another for interleaved CbCr
1015	* components. Each plane can reside in a separate memory buffer, or even in
1016	* a completely separate memory node (e.g. in embedded devices).
1017	*/
1018	struct v4l2_plane {
1019	__u32 bytesused;
1020	__u32 length;
1021	union {
1022	__u32 mem_offset;
1023	unsigned long userptr;
1024	__s32 fd;
1025	} m;
1026	__u32 data_offset;
1027	__u32 reserved[11];
1028	};
1029
1030	/**
1031	* struct v4l2_buffer - video buffer info
1032	* @index: id number of the buffer
1033	* @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
1034	* multiplanar buffers);
1035	* @bytesused: number of bytes occupied by data in the buffer (payload);
1036	* unused (set to 0) for multiplanar buffers
1037	* @flags: buffer informational flags
1038	* @field: enum v4l2_field; field order of the image in the buffer
1039	* @timestamp: frame timestamp
1040	* @timecode: frame timecode
1041	* @sequence: sequence count of this frame
1042	* @memory: enum v4l2_memory; the method, in which the actual video data is
1043	* passed
1044	* @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
1045	* offset from the start of the device memory for this plane,
1046	* (or a "cookie" that should be passed to mmap() as offset)
1047	* @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
1048	* a userspace pointer pointing to this buffer
1049	* @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
1050	* a userspace file descriptor associated with this buffer
1051	* @planes: for multiplanar buffers; userspace pointer to the array of plane
1052	* info structs for this buffer
1053	* @m: union of @offset, @userptr, @planes and @fd
1054	* @length: size in bytes of the buffer (NOT its payload) for single-plane
1055	* buffers (when type != *_MPLANE); number of elements in the
1056	* planes array for multi-plane buffers
1057	* @reserved2: drivers and applications must zero this field
1058	* @request_fd: fd of the request that this buffer should use
1059	* @reserved: for backwards compatibility with applications that do not know
1060	* about @request_fd
1061	*
1062	* Contains data exchanged by application and driver using one of the Streaming
1063	* I/O methods.
1064	*/
1065	struct v4l2_buffer {
1066	__u32 index;
1067	__u32 type;
1068	__u32 bytesused;
1069	__u32 flags;
1070	__u32 field;
1071	struct timeval timestamp;
1072	struct v4l2_timecode timecode;
1073	__u32 sequence;
1074
1075	/* memory location */
1076	__u32 memory;
1077	union {
1078	__u32 offset;
1079	unsigned long userptr;
1080	struct v4l2_plane *planes;
1081	__s32 fd;
1082	} m;
1083	__u32 length;
1084	__u32 reserved2;
1085	union {
1086	__s32 request_fd;
1087	__u32 reserved;
1088	};
1089	};
1090
1091	/**
1092	* v4l2_timeval_to_ns - Convert timeval to nanoseconds
1093	* @tv: pointer to the timeval variable to be converted
1094	*
1095	* Returns the scalar nanosecond representation of the timeval
1096	* parameter.
1097	*/
1098	static __inline__ __u64 v4l2_timeval_to_ns(const struct timeval *tv)
1099	{
1100	return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000;
1101	}
1102
1103	/* Flags for 'flags' field */
1104	/* Buffer is mapped (flag) */
1105	#define V4L2_BUF_FLAG_MAPPED 0x00000001
1106	/* Buffer is queued for processing */
1107	#define V4L2_BUF_FLAG_QUEUED 0x00000002
1108	/* Buffer is ready */
1109	#define V4L2_BUF_FLAG_DONE 0x00000004
1110	/* Image is a keyframe (I-frame) */
1111	#define V4L2_BUF_FLAG_KEYFRAME 0x00000008
1112	/* Image is a P-frame */
1113	#define V4L2_BUF_FLAG_PFRAME 0x00000010
1114	/* Image is a B-frame */
1115	#define V4L2_BUF_FLAG_BFRAME 0x00000020
1116	/* Buffer is ready, but the data contained within is corrupted. */
1117	#define V4L2_BUF_FLAG_ERROR 0x00000040
1118	/* Buffer is added to an unqueued request */
1119	#define V4L2_BUF_FLAG_IN_REQUEST 0x00000080
1120	/* timecode field is valid */
1121	#define V4L2_BUF_FLAG_TIMECODE 0x00000100
1122	/* Don't return the capture buffer until OUTPUT timestamp changes */
1123	#define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF 0x00000200
1124	/* Buffer is prepared for queuing */
1125	#define V4L2_BUF_FLAG_PREPARED 0x00000400
1126	/* Cache handling flags */
1127	#define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800
1128	#define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000
1129	/* Timestamp type */
1130	#define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000
1131	#define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000
1132	#define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000
1133	#define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000
1134	/* Timestamp sources. */
1135	#define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000
1136	#define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000
1137	#define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000
1138	/* mem2mem encoder/decoder */
1139	#define V4L2_BUF_FLAG_LAST 0x00100000
1140	/* request_fd is valid */
1141	#define V4L2_BUF_FLAG_REQUEST_FD 0x00800000
1142
1143	/**
1144	* struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
1145	*
1146	* @index: id number of the buffer
1147	* @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
1148	* multiplanar buffers);
1149	* @plane: index of the plane to be exported, 0 for single plane queues
1150	* @flags: flags for newly created file, currently only O_CLOEXEC is
1151	* supported, refer to manual of open syscall for more details
1152	* @fd: file descriptor associated with DMABUF (set by driver)
1153	* @reserved: drivers and applications must zero this array
1154	*
1155	* Contains data used for exporting a video buffer as DMABUF file descriptor.
1156	* The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
1157	* (identical to the cookie used to mmap() the buffer to userspace). All
1158	* reserved fields must be set to zero. The field reserved0 is expected to
1159	* become a structure 'type' allowing an alternative layout of the structure
1160	* content. Therefore this field should not be used for any other extensions.
1161	*/
1162	struct v4l2_exportbuffer {
1163	__u32 type; /* enum v4l2_buf_type */
1164	__u32 index;
1165	__u32 plane;
1166	__u32 flags;
1167	__s32 fd;
1168	__u32 reserved[11];
1169	};
1170
1171	/*
1172	* O V E R L A Y P R E V I E W
1173	*/
1174	struct v4l2_framebuffer {
1175	__u32 capability;
1176	__u32 flags;
1177	/* FIXME: in theory we should pass something like PCI device + memory
1178	* region + offset instead of some physical address */
1179	void *base;
1180	struct {
1181	__u32 width;
1182	__u32 height;
1183	__u32 pixelformat;
1184	__u32 field; /* enum v4l2_field */
1185	__u32 bytesperline; /* for padding, zero if unused */
1186	__u32 sizeimage;
1187	__u32 colorspace; /* enum v4l2_colorspace */
1188	__u32 priv; /* reserved field, set to 0 */
1189	} fmt;
1190	};
1191	/* Flags for the 'capability' field. Read only */
1192	#define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
1193	#define V4L2_FBUF_CAP_CHROMAKEY 0x0002
1194	#define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004
1195	#define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008
1196	#define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010
1197	#define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020
1198	#define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040
1199	#define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080
1200	/* Flags for the 'flags' field. */
1201	#define V4L2_FBUF_FLAG_PRIMARY 0x0001
1202	#define V4L2_FBUF_FLAG_OVERLAY 0x0002
1203	#define V4L2_FBUF_FLAG_CHROMAKEY 0x0004
1204	#define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008
1205	#define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010
1206	#define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020
1207	#define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040
1208
1209	struct v4l2_clip {
1210	struct v4l2_rect c;
1211	struct v4l2_clip *next;
1212	};
1213
1214	struct v4l2_window {
1215	struct v4l2_rect w;
1216	__u32 field; /* enum v4l2_field */
1217	__u32 chromakey;
1218	struct v4l2_clip *clips;
1219	__u32 clipcount;
1220	void *bitmap;
1221	__u8 global_alpha;
1222	};
1223
1224	/*
1225	* C A P T U R E P A R A M E T E R S
1226	*/
1227	struct v4l2_captureparm {
1228	__u32 capability; /* Supported modes */
1229	__u32 capturemode; /* Current mode */
1230	struct v4l2_fract timeperframe; /* Time per frame in seconds */
1231	__u32 extendedmode; /* Driver-specific extensions */
1232	__u32 readbuffers; /* # of buffers for read */
1233	__u32 reserved[4];
1234	};
1235
1236	/* Flags for 'capability' and 'capturemode' fields */
1237	#define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */
1238	#define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */
1239
1240	struct v4l2_outputparm {
1241	__u32 capability; /* Supported modes */
1242	__u32 outputmode; /* Current mode */
1243	struct v4l2_fract timeperframe; /* Time per frame in seconds */
1244	__u32 extendedmode; /* Driver-specific extensions */
1245	__u32 writebuffers; /* # of buffers for write */
1246	__u32 reserved[4];
1247	};
1248
1249	/*
1250	* I N P U T I M A G E C R O P P I N G
1251	*/
1252	struct v4l2_cropcap {
1253	__u32 type; /* enum v4l2_buf_type */
1254	struct v4l2_rect bounds;
1255	struct v4l2_rect defrect;
1256	struct v4l2_fract pixelaspect;
1257	};
1258
1259	struct v4l2_crop {
1260	__u32 type; /* enum v4l2_buf_type */
1261	struct v4l2_rect c;
1262	};
1263
1264	/**
1265	* struct v4l2_selection - selection info
1266	* @type: buffer type (do not use *_MPLANE types)
1267	* @target: Selection target, used to choose one of possible rectangles;
1268	* defined in v4l2-common.h; V4L2_SEL_TGT_* .
1269	* @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
1270	* @r: coordinates of selection window
1271	* @reserved: for future use, rounds structure size to 64 bytes, set to zero
1272	*
1273	* Hardware may use multiple helper windows to process a video stream.
1274	* The structure is used to exchange this selection areas between
1275	* an application and a driver.
1276	*/
1277	struct v4l2_selection {
1278	__u32 type;
1279	__u32 target;
1280	__u32 flags;
1281	struct v4l2_rect r;
1282	__u32 reserved[9];
1283	};
1284
1285
1286	/*
1287	* A N A L O G V I D E O S T A N D A R D
1288	*/
1289
1290	typedef __u64 v4l2_std_id;
1291
1292	/*
1293	* Attention: Keep the V4L2_STD_* bit definitions in sync with
1294	* include/dt-bindings/display/sdtv-standards.h SDTV_STD_* bit definitions.
1295	*/
1296	/* one bit for each */
1297	#define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001)
1298	#define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002)
1299	#define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004)
1300	#define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008)
1301	#define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010)
1302	#define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020)
1303	#define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040)
1304	#define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080)
1305
1306	#define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100)
1307	#define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200)
1308	#define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
1309	#define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
1310
1311	#define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */
1312	#define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */
1313	#define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000)
1314	#define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */
1315
1316	#define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
1317	#define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
1318	#define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000)
1319	#define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000)
1320	#define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
1321	#define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
1322	#define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
1323	#define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000)
1324
1325	/* ATSC/HDTV */
1326	#define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
1327	#define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000)
1328
1329	/* FIXME:
1330	Although std_id is 64 bits, there is an issue on PPC32 architecture that
1331	makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
1332	this value to 32 bits.
1333	As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
1334	it should work fine. However, if needed to add more than two standards,
1335	v4l2-common.c should be fixed.
1336	*/
1337
1338	/*
1339	* Some macros to merge video standards in order to make live easier for the
1340	* drivers and V4L2 applications
1341	*/
1342
1343	/*
1344	* "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
1345	* Missing here.
1346	*/
1347	#define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\
1348	V4L2_STD_NTSC_M_JP |\
1349	V4L2_STD_NTSC_M_KR)
1350	/* Secam macros */
1351	#define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\
1352	V4L2_STD_SECAM_K |\
1353	V4L2_STD_SECAM_K1)
1354	/* All Secam Standards */
1355	#define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\
1356	V4L2_STD_SECAM_G |\
1357	V4L2_STD_SECAM_H |\
1358	V4L2_STD_SECAM_DK |\
1359	V4L2_STD_SECAM_L |\
1360	V4L2_STD_SECAM_LC)
1361	/* PAL macros */
1362	#define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\
1363	V4L2_STD_PAL_B1 |\
1364	V4L2_STD_PAL_G)
1365	#define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\
1366	V4L2_STD_PAL_D1 |\
1367	V4L2_STD_PAL_K)
1368	/*
1369	* "Common" PAL - This macro is there to be compatible with the old
1370	* V4L1 concept of "PAL": /BGDKHI.
1371	* Several PAL standards are missing here: /M, /N and /Nc
1372	*/
1373	#define V4L2_STD_PAL (V4L2_STD_PAL_BG |\
1374	V4L2_STD_PAL_DK |\
1375	V4L2_STD_PAL_H |\
1376	V4L2_STD_PAL_I)
1377	/* Chroma "agnostic" standards */
1378	#define V4L2_STD_B (V4L2_STD_PAL_B |\
1379	V4L2_STD_PAL_B1 |\
1380	V4L2_STD_SECAM_B)
1381	#define V4L2_STD_G (V4L2_STD_PAL_G |\
1382	V4L2_STD_SECAM_G)
1383	#define V4L2_STD_H (V4L2_STD_PAL_H |\
1384	V4L2_STD_SECAM_H)
1385	#define V4L2_STD_L (V4L2_STD_SECAM_L |\
1386	V4L2_STD_SECAM_LC)
1387	#define V4L2_STD_GH (V4L2_STD_G |\
1388	V4L2_STD_H)
1389	#define V4L2_STD_DK (V4L2_STD_PAL_DK |\
1390	V4L2_STD_SECAM_DK)
1391	#define V4L2_STD_BG (V4L2_STD_B |\
1392	V4L2_STD_G)
1393	#define V4L2_STD_MN (V4L2_STD_PAL_M |\
1394	V4L2_STD_PAL_N |\
1395	V4L2_STD_PAL_Nc |\
1396	V4L2_STD_NTSC)
1397
1398	/* Standards where MTS/BTSC stereo could be found */
1399	#define V4L2_STD_MTS (V4L2_STD_NTSC_M |\
1400	V4L2_STD_PAL_M |\
1401	V4L2_STD_PAL_N |\
1402	V4L2_STD_PAL_Nc)
1403
1404	/* Standards for Countries with 60Hz Line frequency */
1405	#define V4L2_STD_525_60 (V4L2_STD_PAL_M |\
1406	V4L2_STD_PAL_60 |\
1407	V4L2_STD_NTSC |\
1408	V4L2_STD_NTSC_443)
1409	/* Standards for Countries with 50Hz Line frequency */
1410	#define V4L2_STD_625_50 (V4L2_STD_PAL |\
1411	V4L2_STD_PAL_N |\
1412	V4L2_STD_PAL_Nc |\
1413	V4L2_STD_SECAM)
1414
1415	#define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\
1416	V4L2_STD_ATSC_16_VSB)
1417	/* Macros with none and all analog standards */
1418	#define V4L2_STD_UNKNOWN 0
1419	#define V4L2_STD_ALL (V4L2_STD_525_60 |\
1420	V4L2_STD_625_50)
1421
1422	struct v4l2_standard {
1423	__u32 index;
1424	v4l2_std_id id;
1425	__u8 name[24];
1426	struct v4l2_fract frameperiod; /* Frames, not fields */
1427	__u32 framelines;
1428	__u32 reserved[4];
1429	};
1430
1431	/*
1432	* D V B T T I M I N G S
1433	*/
1434
1435	/** struct v4l2_bt_timings - BT.656/BT.1120 timing data
1436	* @width: total width of the active video in pixels
1437	* @height: total height of the active video in lines
1438	* @interlaced: Interlaced or progressive
1439	* @polarities: Positive or negative polarities
1440	* @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1441	* @hfrontporch:Horizontal front porch in pixels
1442	* @hsync: Horizontal Sync length in pixels
1443	* @hbackporch: Horizontal back porch in pixels
1444	* @vfrontporch:Vertical front porch in lines
1445	* @vsync: Vertical Sync length in lines
1446	* @vbackporch: Vertical back porch in lines
1447	* @il_vfrontporch:Vertical front porch for the even field
1448	* (aka field 2) of interlaced field formats
1449	* @il_vsync: Vertical Sync length for the even field
1450	* (aka field 2) of interlaced field formats
1451	* @il_vbackporch:Vertical back porch for the even field
1452	* (aka field 2) of interlaced field formats
1453	* @standards: Standards the timing belongs to
1454	* @flags: Flags
1455	* @picture_aspect: The picture aspect ratio (hor/vert).
1456	* @cea861_vic: VIC code as per the CEA-861 standard.
1457	* @hdmi_vic: VIC code as per the HDMI standard.
1458	* @reserved: Reserved fields, must be zeroed.
1459	*
1460	* A note regarding vertical interlaced timings: height refers to the total
1461	* height of the active video frame (= two fields). The blanking timings refer
1462	* to the blanking of each field. So the height of the total frame is
1463	* calculated as follows:
1464	*
1465	* tot_height = height + vfrontporch + vsync + vbackporch +
1466	* il_vfrontporch + il_vsync + il_vbackporch
1467	*
1468	* The active height of each field is height / 2.
1469	*/
1470	struct v4l2_bt_timings {
1471	__u32 width;
1472	__u32 height;
1473	__u32 interlaced;
1474	__u32 polarities;
1475	__u64 pixelclock;
1476	__u32 hfrontporch;
1477	__u32 hsync;
1478	__u32 hbackporch;
1479	__u32 vfrontporch;
1480	__u32 vsync;
1481	__u32 vbackporch;
1482	__u32 il_vfrontporch;
1483	__u32 il_vsync;
1484	__u32 il_vbackporch;
1485	__u32 standards;
1486	__u32 flags;
1487	struct v4l2_fract picture_aspect;
1488	__u8 cea861_vic;
1489	__u8 hdmi_vic;
1490	__u8 reserved[46];
1491	} __attribute__ ((packed));
1492
1493	/* Interlaced or progressive format */
1494	#define V4L2_DV_PROGRESSIVE 0
1495	#define V4L2_DV_INTERLACED 1
1496
1497	/* Polarities. If bit is not set, it is assumed to be negative polarity */
1498	#define V4L2_DV_VSYNC_POS_POL 0x00000001
1499	#define V4L2_DV_HSYNC_POS_POL 0x00000002
1500
1501	/* Timings standards */
1502	#define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */
1503	#define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */
1504	#define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */
1505	#define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */
1506	#define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */
1507
1508	/* Flags */
1509
1510	/*
1511	* CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
1512	* GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
1513	* intervals are reduced, allowing a higher resolution over the same
1514	* bandwidth. This is a read-only flag.
1515	*/
1516	#define V4L2_DV_FL_REDUCED_BLANKING (1 << 0)
1517	/*
1518	* CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
1519	* of six. These formats can be optionally played at 1 / 1.001 speed.
1520	* This is a read-only flag.
1521	*/
1522	#define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1)
1523	/*
1524	* CEA-861 specific: only valid for video transmitters, the flag is cleared
1525	* by receivers.
1526	* If the framerate of the format is a multiple of six, then the pixelclock
1527	* used to set up the transmitter is divided by 1.001 to make it compatible
1528	* with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
1529	* 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
1530	* such frequencies, then the flag will also be cleared.
1531	*/
1532	#define V4L2_DV_FL_REDUCED_FPS (1 << 2)
1533	/*
1534	* Specific to interlaced formats: if set, then field 1 is really one half-line
1535	* longer and field 2 is really one half-line shorter, so each field has
1536	* exactly the same number of half-lines. Whether half-lines can be detected
1537	* or used depends on the hardware.
1538	*/
1539	#define V4L2_DV_FL_HALF_LINE (1 << 3)
1540	/*
1541	* If set, then this is a Consumer Electronics (CE) video format. Such formats
1542	* differ from other formats (commonly called IT formats) in that if RGB
1543	* encoding is used then by default the RGB values use limited range (i.e.
1544	* use the range 16-235) as opposed to 0-255. All formats defined in CEA-861
1545	* except for the 640x480 format are CE formats.
1546	*/
1547	#define V4L2_DV_FL_IS_CE_VIDEO (1 << 4)
1548	/* Some formats like SMPTE-125M have an interlaced signal with a odd
1549	* total height. For these formats, if this flag is set, the first
1550	* field has the extra line. If not, it is the second field.
1551	*/
1552	#define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5)
1553	/*
1554	* If set, then the picture_aspect field is valid. Otherwise assume that the
1555	* pixels are square, so the picture aspect ratio is the same as the width to
1556	* height ratio.
1557	*/
1558	#define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6)
1559	/*
1560	* If set, then the cea861_vic field is valid and contains the Video
1561	* Identification Code as per the CEA-861 standard.
1562	*/
1563	#define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7)
1564	/*
1565	* If set, then the hdmi_vic field is valid and contains the Video
1566	* Identification Code as per the HDMI standard (HDMI Vendor Specific
1567	* InfoFrame).
1568	*/
1569	#define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8)
1570	/*
1571	* CEA-861 specific: only valid for video receivers.
1572	* If set, then HW can detect the difference between regular FPS and
1573	* 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with
1574	* the V4L2_DV_FL_CAN_REDUCE_FPS flag set.
1575	*/
1576	#define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9)
1577
1578	/* A few useful defines to calculate the total blanking and frame sizes */
1579	#define V4L2_DV_BT_BLANKING_WIDTH(bt) \
1580	((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch)
1581	#define V4L2_DV_BT_FRAME_WIDTH(bt) \
1582	((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt))
1583	#define V4L2_DV_BT_BLANKING_HEIGHT(bt) \
1584	((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \
1585	((bt)->interlaced ? \
1586	((bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) : 0))
1587	#define V4L2_DV_BT_FRAME_HEIGHT(bt) \
1588	((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))
1589
1590	/** struct v4l2_dv_timings - DV timings
1591	* @type: the type of the timings
1592	* @bt: BT656/1120 timings
1593	*/
1594	struct v4l2_dv_timings {
1595	__u32 type;
1596	union {
1597	struct v4l2_bt_timings bt;
1598	__u32 reserved[32];
1599	};
1600	} __attribute__ ((packed));
1601
1602	/* Values for the type field */
1603	#define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */
1604
1605
1606	/** struct v4l2_enum_dv_timings - DV timings enumeration
1607	* @index: enumeration index
1608	* @pad: the pad number for which to enumerate timings (used with
1609	* v4l-subdev nodes only)
1610	* @reserved: must be zeroed
1611	* @timings: the timings for the given index
1612	*/
1613	struct v4l2_enum_dv_timings {
1614	__u32 index;
1615	__u32 pad;
1616	__u32 reserved[2];
1617	struct v4l2_dv_timings timings;
1618	};
1619
1620	/** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
1621	* @min_width: width in pixels
1622	* @max_width: width in pixels
1623	* @min_height: height in lines
1624	* @max_height: height in lines
1625	* @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1626	* @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1627	* @standards: Supported standards
1628	* @capabilities: Supported capabilities
1629	* @reserved: Must be zeroed
1630	*/
1631	struct v4l2_bt_timings_cap {
1632	__u32 min_width;
1633	__u32 max_width;
1634	__u32 min_height;
1635	__u32 max_height;
1636	__u64 min_pixelclock;
1637	__u64 max_pixelclock;
1638	__u32 standards;
1639	__u32 capabilities;
1640	__u32 reserved[16];
1641	} __attribute__ ((packed));
1642
1643	/* Supports interlaced formats */
1644	#define V4L2_DV_BT_CAP_INTERLACED (1 << 0)
1645	/* Supports progressive formats */
1646	#define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1)
1647	/* Supports CVT/GTF reduced blanking */
1648	#define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2)
1649	/* Supports custom formats */
1650	#define V4L2_DV_BT_CAP_CUSTOM (1 << 3)
1651
1652	/** struct v4l2_dv_timings_cap - DV timings capabilities
1653	* @type: the type of the timings (same as in struct v4l2_dv_timings)
1654	* @pad: the pad number for which to query capabilities (used with
1655	* v4l-subdev nodes only)
1656	* @bt: the BT656/1120 timings capabilities
1657	*/
1658	struct v4l2_dv_timings_cap {
1659	__u32 type;
1660	__u32 pad;
1661	__u32 reserved[2];
1662	union {
1663	struct v4l2_bt_timings_cap bt;
1664	__u32 raw_data[32];
1665	};
1666	};
1667
1668
1669	/*
1670	* V I D E O I N P U T S
1671	*/
1672	struct v4l2_input {
1673	__u32 index; /* Which input */
1674	__u8 name[32]; /* Label */
1675	__u32 type; /* Type of input */
1676	__u32 audioset; /* Associated audios (bitfield) */
1677	__u32 tuner; /* Tuner index */
1678	v4l2_std_id std;
1679	__u32 status;
1680	__u32 capabilities;
1681	__u32 reserved[3];
1682	};
1683
1684	/* Values for the 'type' field */
1685	#define V4L2_INPUT_TYPE_TUNER 1
1686	#define V4L2_INPUT_TYPE_CAMERA 2
1687	#define V4L2_INPUT_TYPE_TOUCH 3
1688
1689	/* field 'status' - general */
1690	#define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */
1691	#define V4L2_IN_ST_NO_SIGNAL 0x00000002
1692	#define V4L2_IN_ST_NO_COLOR 0x00000004
1693
1694	/* field 'status' - sensor orientation */
1695	/* If sensor is mounted upside down set both bits */
1696	#define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */
1697	#define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */
1698
1699	/* field 'status' - analog */
1700	#define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
1701	#define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
1702	#define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */
1703	#define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */
1704
1705	/* field 'status' - digital */
1706	#define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */
1707	#define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */
1708	#define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */
1709
1710	/* field 'status' - VCR and set-top box */
1711	#define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */
1712	#define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */
1713	#define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */
1714
1715	/* capabilities flags */
1716	#define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1717	#define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
1718	#define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */
1719	#define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1720
1721	/*
1722	* V I D E O O U T P U T S
1723	*/
1724	struct v4l2_output {
1725	__u32 index; /* Which output */
1726	__u8 name[32]; /* Label */
1727	__u32 type; /* Type of output */
1728	__u32 audioset; /* Associated audios (bitfield) */
1729	__u32 modulator; /* Associated modulator */
1730	v4l2_std_id std;
1731	__u32 capabilities;
1732	__u32 reserved[3];
1733	};
1734	/* Values for the 'type' field */
1735	#define V4L2_OUTPUT_TYPE_MODULATOR 1
1736	#define V4L2_OUTPUT_TYPE_ANALOG 2
1737	#define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3
1738
1739	/* capabilities flags */
1740	#define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1741	#define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
1742	#define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */
1743	#define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1744
1745	/*
1746	* C O N T R O L S
1747	*/
1748	struct v4l2_control {
1749	__u32 id;
1750	__s32 value;
1751	};
1752
1753	struct v4l2_ext_control {
1754	__u32 id;
1755	__u32 size;
1756	__u32 reserved2[1];
1757	union {
1758	__s32 value;
1759	__s64 value64;
1760	char *string;
1761	__u8 *p_u8;
1762	__u16 *p_u16;
1763	__u32 *p_u32;
1764	__s32 *p_s32;
1765	__s64 *p_s64;
1766	struct v4l2_area *p_area;
1767	struct v4l2_ctrl_h264_sps *p_h264_sps;
1768	struct v4l2_ctrl_h264_pps *p_h264_pps;
1769	struct v4l2_ctrl_h264_scaling_matrix *p_h264_scaling_matrix;
1770	struct v4l2_ctrl_h264_pred_weights *p_h264_pred_weights;
1771	struct v4l2_ctrl_h264_slice_params *p_h264_slice_params;
1772	struct v4l2_ctrl_h264_decode_params *p_h264_decode_params;
1773	struct v4l2_ctrl_fwht_params *p_fwht_params;
1774	struct v4l2_ctrl_vp8_frame *p_vp8_frame;
1775	struct v4l2_ctrl_mpeg2_sequence *p_mpeg2_sequence;
1776	struct v4l2_ctrl_mpeg2_picture *p_mpeg2_picture;
1777	struct v4l2_ctrl_mpeg2_quantisation *p_mpeg2_quantisation;
1778	struct v4l2_ctrl_vp9_compressed_hdr *p_vp9_compressed_hdr_probs;
1779	struct v4l2_ctrl_vp9_frame *p_vp9_frame;
1780	struct v4l2_ctrl_hevc_sps *p_hevc_sps;
1781	struct v4l2_ctrl_hevc_pps *p_hevc_pps;
1782	struct v4l2_ctrl_hevc_slice_params *p_hevc_slice_params;
1783	struct v4l2_ctrl_hevc_scaling_matrix *p_hevc_scaling_matrix;
1784	struct v4l2_ctrl_hevc_decode_params *p_hevc_decode_params;
1785	struct v4l2_ctrl_av1_sequence *p_av1_sequence;
1786	struct v4l2_ctrl_av1_tile_group_entry *p_av1_tile_group_entry;
1787	struct v4l2_ctrl_av1_frame *p_av1_frame;
1788	struct v4l2_ctrl_av1_film_grain *p_av1_film_grain;
1789	struct v4l2_ctrl_hdr10_cll_info *p_hdr10_cll_info;
1790	struct v4l2_ctrl_hdr10_mastering_display *p_hdr10_mastering_display;
1791	void *ptr;
1792	};
1793	} __attribute__ ((packed));
1794
1795	struct v4l2_ext_controls {
1796	union {
1797	__u32 ctrl_class;
1798	__u32 which;
1799	};
1800	__u32 count;
1801	__u32 error_idx;
1802	__s32 request_fd;
1803	__u32 reserved[1];
1804	struct v4l2_ext_control *controls;
1805	};
1806
1807	#define V4L2_CTRL_ID_MASK (0x0fffffff)
1808	#define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL)
1809	#define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL)
1810	#define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
1811	#define V4L2_CTRL_MAX_DIMS (4)
1812	#define V4L2_CTRL_WHICH_CUR_VAL 0
1813	#define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000
1814	#define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000
1815
1816	enum v4l2_ctrl_type {
1817	V4L2_CTRL_TYPE_INTEGER = 1,
1818	V4L2_CTRL_TYPE_BOOLEAN = 2,
1819	V4L2_CTRL_TYPE_MENU = 3,
1820	V4L2_CTRL_TYPE_BUTTON = 4,
1821	V4L2_CTRL_TYPE_INTEGER64 = 5,
1822	V4L2_CTRL_TYPE_CTRL_CLASS = 6,
1823	V4L2_CTRL_TYPE_STRING = 7,
1824	V4L2_CTRL_TYPE_BITMASK = 8,
1825	V4L2_CTRL_TYPE_INTEGER_MENU = 9,
1826
1827	/* Compound types are >= 0x0100 */
1828	V4L2_CTRL_COMPOUND_TYPES = 0x0100,
1829	V4L2_CTRL_TYPE_U8 = 0x0100,
1830	V4L2_CTRL_TYPE_U16 = 0x0101,
1831	V4L2_CTRL_TYPE_U32 = 0x0102,
1832	V4L2_CTRL_TYPE_AREA = 0x0106,
1833
1834	V4L2_CTRL_TYPE_HDR10_CLL_INFO = 0x0110,
1835	V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY = 0x0111,
1836
1837	V4L2_CTRL_TYPE_H264_SPS = 0x0200,
1838	V4L2_CTRL_TYPE_H264_PPS = 0x0201,
1839	V4L2_CTRL_TYPE_H264_SCALING_MATRIX = 0x0202,
1840	V4L2_CTRL_TYPE_H264_SLICE_PARAMS = 0x0203,
1841	V4L2_CTRL_TYPE_H264_DECODE_PARAMS = 0x0204,
1842	V4L2_CTRL_TYPE_H264_PRED_WEIGHTS = 0x0205,
1843
1844	V4L2_CTRL_TYPE_FWHT_PARAMS = 0x0220,
1845
1846	V4L2_CTRL_TYPE_VP8_FRAME = 0x0240,
1847
1848	V4L2_CTRL_TYPE_MPEG2_QUANTISATION = 0x0250,
1849	V4L2_CTRL_TYPE_MPEG2_SEQUENCE = 0x0251,
1850	V4L2_CTRL_TYPE_MPEG2_PICTURE = 0x0252,
1851
1852	V4L2_CTRL_TYPE_VP9_COMPRESSED_HDR = 0x0260,
1853	V4L2_CTRL_TYPE_VP9_FRAME = 0x0261,
1854
1855	V4L2_CTRL_TYPE_HEVC_SPS = 0x0270,
1856	V4L2_CTRL_TYPE_HEVC_PPS = 0x0271,
1857	V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS = 0x0272,
1858	V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX = 0x0273,
1859	V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS = 0x0274,
1860
1861	V4L2_CTRL_TYPE_AV1_SEQUENCE = 0x280,
1862	V4L2_CTRL_TYPE_AV1_TILE_GROUP_ENTRY = 0x281,
1863	V4L2_CTRL_TYPE_AV1_FRAME = 0x282,
1864	V4L2_CTRL_TYPE_AV1_FILM_GRAIN = 0x283,
1865	};
1866
1867	/* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
1868	struct v4l2_queryctrl {
1869	__u32 id;
1870	__u32 type; /* enum v4l2_ctrl_type */
1871	__u8 name[32]; /* Whatever */
1872	__s32 minimum; /* Note signedness */
1873	__s32 maximum;
1874	__s32 step;
1875	__s32 default_value;
1876	__u32 flags;
1877	__u32 reserved[2];
1878	};
1879
1880	/* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */
1881	struct v4l2_query_ext_ctrl {
1882	__u32 id;
1883	__u32 type;
1884	char name[32];
1885	__s64 minimum;
1886	__s64 maximum;
1887	__u64 step;
1888	__s64 default_value;
1889	__u32 flags;
1890	__u32 elem_size;
1891	__u32 elems;
1892	__u32 nr_of_dims;
1893	__u32 dims[V4L2_CTRL_MAX_DIMS];
1894	__u32 reserved[32];
1895	};
1896
1897	/* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
1898	struct v4l2_querymenu {
1899	__u32 id;
1900	__u32 index;
1901	union {
1902	__u8 name[32]; /* Whatever */
1903	__s64 value;
1904	};
1905	__u32 reserved;
1906	} __attribute__ ((packed));
1907
1908	/* Control flags */
1909	#define V4L2_CTRL_FLAG_DISABLED 0x0001
1910	#define V4L2_CTRL_FLAG_GRABBED 0x0002
1911	#define V4L2_CTRL_FLAG_READ_ONLY 0x0004
1912	#define V4L2_CTRL_FLAG_UPDATE 0x0008
1913	#define V4L2_CTRL_FLAG_INACTIVE 0x0010
1914	#define V4L2_CTRL_FLAG_SLIDER 0x0020
1915	#define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040
1916	#define V4L2_CTRL_FLAG_VOLATILE 0x0080
1917	#define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100
1918	#define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200
1919	#define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400
1920	#define V4L2_CTRL_FLAG_DYNAMIC_ARRAY 0x0800
1921
1922	/* Query flags, to be ORed with the control ID */
1923	#define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000
1924	#define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000
1925
1926	/* User-class control IDs defined by V4L2 */
1927	#define V4L2_CID_MAX_CTRLS 1024
1928	/* IDs reserved for driver specific controls */
1929	#define V4L2_CID_PRIVATE_BASE 0x08000000
1930
1931
1932	/*
1933	* T U N I N G
1934	*/
1935	struct v4l2_tuner {
1936	__u32 index;
1937	__u8 name[32];
1938	__u32 type; /* enum v4l2_tuner_type */
1939	__u32 capability;
1940	__u32 rangelow;
1941	__u32 rangehigh;
1942	__u32 rxsubchans;
1943	__u32 audmode;
1944	__s32 signal;
1945	__s32 afc;
1946	__u32 reserved[4];
1947	};
1948
1949	struct v4l2_modulator {
1950	__u32 index;
1951	__u8 name[32];
1952	__u32 capability;
1953	__u32 rangelow;
1954	__u32 rangehigh;
1955	__u32 txsubchans;
1956	__u32 type; /* enum v4l2_tuner_type */
1957	__u32 reserved[3];
1958	};
1959
1960	/* Flags for the 'capability' field */
1961	#define V4L2_TUNER_CAP_LOW 0x0001
1962	#define V4L2_TUNER_CAP_NORM 0x0002
1963	#define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004
1964	#define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008
1965	#define V4L2_TUNER_CAP_STEREO 0x0010
1966	#define V4L2_TUNER_CAP_LANG2 0x0020
1967	#define V4L2_TUNER_CAP_SAP 0x0020
1968	#define V4L2_TUNER_CAP_LANG1 0x0040
1969	#define V4L2_TUNER_CAP_RDS 0x0080
1970	#define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100
1971	#define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200
1972	#define V4L2_TUNER_CAP_FREQ_BANDS 0x0400
1973	#define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800
1974	#define V4L2_TUNER_CAP_1HZ 0x1000
1975
1976	/* Flags for the 'rxsubchans' field */
1977	#define V4L2_TUNER_SUB_MONO 0x0001
1978	#define V4L2_TUNER_SUB_STEREO 0x0002
1979	#define V4L2_TUNER_SUB_LANG2 0x0004
1980	#define V4L2_TUNER_SUB_SAP 0x0004
1981	#define V4L2_TUNER_SUB_LANG1 0x0008
1982	#define V4L2_TUNER_SUB_RDS 0x0010
1983
1984	/* Values for the 'audmode' field */
1985	#define V4L2_TUNER_MODE_MONO 0x0000
1986	#define V4L2_TUNER_MODE_STEREO 0x0001
1987	#define V4L2_TUNER_MODE_LANG2 0x0002
1988	#define V4L2_TUNER_MODE_SAP 0x0002
1989	#define V4L2_TUNER_MODE_LANG1 0x0003
1990	#define V4L2_TUNER_MODE_LANG1_LANG2 0x0004
1991
1992	struct v4l2_frequency {
1993	__u32 tuner;
1994	__u32 type; /* enum v4l2_tuner_type */
1995	__u32 frequency;
1996	__u32 reserved[8];
1997	};
1998
1999	#define V4L2_BAND_MODULATION_VSB (1 << 1)
2000	#define V4L2_BAND_MODULATION_FM (1 << 2)
2001	#define V4L2_BAND_MODULATION_AM (1 << 3)
2002
2003	struct v4l2_frequency_band {
2004	__u32 tuner;
2005	__u32 type; /* enum v4l2_tuner_type */
2006	__u32 index;
2007	__u32 capability;
2008	__u32 rangelow;
2009	__u32 rangehigh;
2010	__u32 modulation;
2011	__u32 reserved[9];
2012	};
2013
2014	struct v4l2_hw_freq_seek {
2015	__u32 tuner;
2016	__u32 type; /* enum v4l2_tuner_type */
2017	__u32 seek_upward;
2018	__u32 wrap_around;
2019	__u32 spacing;
2020	__u32 rangelow;
2021	__u32 rangehigh;
2022	__u32 reserved[5];
2023	};
2024
2025	/*
2026	* R D S
2027	*/
2028
2029	struct v4l2_rds_data {
2030	__u8 lsb;
2031	__u8 msb;
2032	__u8 block;
2033	} __attribute__ ((packed));
2034
2035	#define V4L2_RDS_BLOCK_MSK 0x7
2036	#define V4L2_RDS_BLOCK_A 0
2037	#define V4L2_RDS_BLOCK_B 1
2038	#define V4L2_RDS_BLOCK_C 2
2039	#define V4L2_RDS_BLOCK_D 3
2040	#define V4L2_RDS_BLOCK_C_ALT 4
2041	#define V4L2_RDS_BLOCK_INVALID 7
2042
2043	#define V4L2_RDS_BLOCK_CORRECTED 0x40
2044	#define V4L2_RDS_BLOCK_ERROR 0x80
2045
2046	/*
2047	* A U D I O
2048	*/
2049	struct v4l2_audio {
2050	__u32 index;
2051	__u8 name[32];
2052	__u32 capability;
2053	__u32 mode;
2054	__u32 reserved[2];
2055	};
2056
2057	/* Flags for the 'capability' field */
2058	#define V4L2_AUDCAP_STEREO 0x00001
2059	#define V4L2_AUDCAP_AVL 0x00002
2060
2061	/* Flags for the 'mode' field */
2062	#define V4L2_AUDMODE_AVL 0x00001
2063
2064	struct v4l2_audioout {
2065	__u32 index;
2066	__u8 name[32];
2067	__u32 capability;
2068	__u32 mode;
2069	__u32 reserved[2];
2070	};
2071
2072	/*
2073	* M P E G S E R V I C E S
2074	*/
2075	#if 1
2076	#define V4L2_ENC_IDX_FRAME_I (0)
2077	#define V4L2_ENC_IDX_FRAME_P (1)
2078	#define V4L2_ENC_IDX_FRAME_B (2)
2079	#define V4L2_ENC_IDX_FRAME_MASK (0xf)
2080
2081	struct v4l2_enc_idx_entry {
2082	__u64 offset;
2083	__u64 pts;
2084	__u32 length;
2085	__u32 flags;
2086	__u32 reserved[2];
2087	};
2088
2089	#define V4L2_ENC_IDX_ENTRIES (64)
2090	struct v4l2_enc_idx {
2091	__u32 entries;
2092	__u32 entries_cap;
2093	__u32 reserved[4];
2094	struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
2095	};
2096
2097
2098	#define V4L2_ENC_CMD_START (0)
2099	#define V4L2_ENC_CMD_STOP (1)
2100	#define V4L2_ENC_CMD_PAUSE (2)
2101	#define V4L2_ENC_CMD_RESUME (3)
2102
2103	/* Flags for V4L2_ENC_CMD_STOP */
2104	#define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0)
2105
2106	struct v4l2_encoder_cmd {
2107	__u32 cmd;
2108	__u32 flags;
2109	union {
2110	struct {
2111	__u32 data[8];
2112	} raw;
2113	};
2114	};
2115
2116	/* Decoder commands */
2117	#define V4L2_DEC_CMD_START (0)
2118	#define V4L2_DEC_CMD_STOP (1)
2119	#define V4L2_DEC_CMD_PAUSE (2)
2120	#define V4L2_DEC_CMD_RESUME (3)
2121	#define V4L2_DEC_CMD_FLUSH (4)
2122
2123	/* Flags for V4L2_DEC_CMD_START */
2124	#define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0)
2125
2126	/* Flags for V4L2_DEC_CMD_PAUSE */
2127	#define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0)
2128
2129	/* Flags for V4L2_DEC_CMD_STOP */
2130	#define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0)
2131	#define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1)
2132
2133	/* Play format requirements (returned by the driver): */
2134
2135	/* The decoder has no special format requirements */
2136	#define V4L2_DEC_START_FMT_NONE (0)
2137	/* The decoder requires full GOPs */
2138	#define V4L2_DEC_START_FMT_GOP (1)
2139
2140	/* The structure must be zeroed before use by the application
2141	This ensures it can be extended safely in the future. */
2142	struct v4l2_decoder_cmd {
2143	__u32 cmd;
2144	__u32 flags;
2145	union {
2146	struct {
2147	__u64 pts;
2148	} stop;
2149
2150	struct {
2151	/* 0 or 1000 specifies normal speed,
2152	1 specifies forward single stepping,
2153	-1 specifies backward single stepping,
2154	>1: playback at speed/1000 of the normal speed,
2155	<-1: reverse playback at (-speed/1000) of the normal speed. */
2156	__s32 speed;
2157	__u32 format;
2158	} start;
2159
2160	struct {
2161	__u32 data[16];
2162	} raw;
2163	};
2164	};
2165	#endif
2166
2167
2168	/*
2169	* D A T A S E R V I C E S ( V B I )
2170	*
2171	* Data services API by Michael Schimek
2172	*/
2173
2174	/* Raw VBI */
2175	struct v4l2_vbi_format {
2176	__u32 sampling_rate; /* in 1 Hz */
2177	__u32 offset;
2178	__u32 samples_per_line;
2179	__u32 sample_format; /* V4L2_PIX_FMT_* */
2180	__s32 start[2];
2181	__u32 count[2];
2182	__u32 flags; /* V4L2_VBI_* */
2183	__u32 reserved[2]; /* must be zero */
2184	};
2185
2186	/* VBI flags */
2187	#define V4L2_VBI_UNSYNC (1 << 0)
2188	#define V4L2_VBI_INTERLACED (1 << 1)
2189
2190	/* ITU-R start lines for each field */
2191	#define V4L2_VBI_ITU_525_F1_START (1)
2192	#define V4L2_VBI_ITU_525_F2_START (264)
2193	#define V4L2_VBI_ITU_625_F1_START (1)
2194	#define V4L2_VBI_ITU_625_F2_START (314)
2195
2196	/* Sliced VBI
2197	*
2198	* This implements is a proposal V4L2 API to allow SLICED VBI
2199	* required for some hardware encoders. It should change without
2200	* notice in the definitive implementation.
2201	*/
2202
2203	struct v4l2_sliced_vbi_format {
2204	__u16 service_set;
2205	/* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2206	service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2207	(equals frame lines 313-336 for 625 line video
2208	standards, 263-286 for 525 line standards) */
2209	__u16 service_lines[2][24];
2210	__u32 io_size;
2211	__u32 reserved[2]; /* must be zero */
2212	};
2213
2214	/* Teletext World System Teletext
2215	(WST), defined on ITU-R BT.653-2 */
2216	#define V4L2_SLICED_TELETEXT_B (0x0001)
2217	/* Video Program System, defined on ETS 300 231*/
2218	#define V4L2_SLICED_VPS (0x0400)
2219	/* Closed Caption, defined on EIA-608 */
2220	#define V4L2_SLICED_CAPTION_525 (0x1000)
2221	/* Wide Screen System, defined on ITU-R BT1119.1 */
2222	#define V4L2_SLICED_WSS_625 (0x4000)
2223
2224	#define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525)
2225	#define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
2226
2227	struct v4l2_sliced_vbi_cap {
2228	__u16 service_set;
2229	/* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2230	service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2231	(equals frame lines 313-336 for 625 line video
2232	standards, 263-286 for 525 line standards) */
2233	__u16 service_lines[2][24];
2234	__u32 type; /* enum v4l2_buf_type */
2235	__u32 reserved[3]; /* must be 0 */
2236	};
2237
2238	struct v4l2_sliced_vbi_data {
2239	__u32 id;
2240	__u32 field; /* 0: first field, 1: second field */
2241	__u32 line; /* 1-23 */
2242	__u32 reserved; /* must be 0 */
2243	__u8 data[48];
2244	};
2245
2246	/*
2247	* Sliced VBI data inserted into MPEG Streams
2248	*/
2249
2250	/*
2251	* V4L2_MPEG_STREAM_VBI_FMT_IVTV:
2252	*
2253	* Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
2254	* MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
2255	* data
2256	*
2257	* Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
2258	* definitions are not included here. See the MPEG-2 specifications for details
2259	* on these headers.
2260	*/
2261
2262	/* Line type IDs */
2263	#define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1)
2264	#define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4)
2265	#define V4L2_MPEG_VBI_IVTV_WSS_625 (5)
2266	#define V4L2_MPEG_VBI_IVTV_VPS (7)
2267
2268	struct v4l2_mpeg_vbi_itv0_line {
2269	__u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */
2270	__u8 data[42]; /* Sliced VBI data for the line */
2271	} __attribute__ ((packed));
2272
2273	struct v4l2_mpeg_vbi_itv0 {
2274	__le32 linemask[2]; /* Bitmasks of VBI service lines present */
2275	struct v4l2_mpeg_vbi_itv0_line line[35];
2276	} __attribute__ ((packed));
2277
2278	struct v4l2_mpeg_vbi_ITV0 {
2279	struct v4l2_mpeg_vbi_itv0_line line[36];
2280	} __attribute__ ((packed));
2281
2282	#define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0"
2283	#define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0"
2284
2285	struct v4l2_mpeg_vbi_fmt_ivtv {
2286	__u8 magic[4];
2287	union {
2288	struct v4l2_mpeg_vbi_itv0 itv0;
2289	struct v4l2_mpeg_vbi_ITV0 ITV0;
2290	};
2291	} __attribute__ ((packed));
2292
2293	/*
2294	* A G G R E G A T E S T R U C T U R E S
2295	*/
2296
2297	/**
2298	* struct v4l2_plane_pix_format - additional, per-plane format definition
2299	* @sizeimage: maximum size in bytes required for data, for which
2300	* this plane will be used
2301	* @bytesperline: distance in bytes between the leftmost pixels in two
2302	* adjacent lines
2303	* @reserved: drivers and applications must zero this array
2304	*/
2305	struct v4l2_plane_pix_format {
2306	__u32 sizeimage;
2307	__u32 bytesperline;
2308	__u16 reserved[6];
2309	} __attribute__ ((packed));
2310
2311	/**
2312	* struct v4l2_pix_format_mplane - multiplanar format definition
2313	* @width: image width in pixels
2314	* @height: image height in pixels
2315	* @pixelformat: little endian four character code (fourcc)
2316	* @field: enum v4l2_field; field order (for interlaced video)
2317	* @colorspace: enum v4l2_colorspace; supplemental to pixelformat
2318	* @plane_fmt: per-plane information
2319	* @num_planes: number of planes for this format
2320	* @flags: format flags (V4L2_PIX_FMT_FLAG_*)
2321	* @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding
2322	* @hsv_enc: enum v4l2_hsv_encoding, HSV encoding
2323	* @quantization: enum v4l2_quantization, colorspace quantization
2324	* @xfer_func: enum v4l2_xfer_func, colorspace transfer function
2325	* @reserved: drivers and applications must zero this array
2326	*/
2327	struct v4l2_pix_format_mplane {
2328	__u32 width;
2329	__u32 height;
2330	__u32 pixelformat;
2331	__u32 field;
2332	__u32 colorspace;
2333
2334	struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES];
2335	__u8 num_planes;
2336	__u8 flags;
2337	union {
2338	__u8 ycbcr_enc;
2339	__u8 hsv_enc;
2340	};
2341	__u8 quantization;
2342	__u8 xfer_func;
2343	__u8 reserved[7];
2344	} __attribute__ ((packed));
2345
2346	/**
2347	* struct v4l2_sdr_format - SDR format definition
2348	* @pixelformat: little endian four character code (fourcc)
2349	* @buffersize: maximum size in bytes required for data
2350	* @reserved: drivers and applications must zero this array
2351	*/
2352	struct v4l2_sdr_format {
2353	__u32 pixelformat;
2354	__u32 buffersize;
2355	__u8 reserved[24];
2356	} __attribute__ ((packed));
2357
2358	/**
2359	* struct v4l2_meta_format - metadata format definition
2360	* @dataformat: little endian four character code (fourcc)
2361	* @buffersize: maximum size in bytes required for data
2362	*/
2363	struct v4l2_meta_format {
2364	__u32 dataformat;
2365	__u32 buffersize;
2366	} __attribute__ ((packed));
2367
2368	/**
2369	* struct v4l2_format - stream data format
2370	* @type: enum v4l2_buf_type; type of the data stream
2371	* @pix: definition of an image format
2372	* @pix_mp: definition of a multiplanar image format
2373	* @win: definition of an overlaid image
2374	* @vbi: raw VBI capture or output parameters
2375	* @sliced: sliced VBI capture or output parameters
2376	* @raw_data: placeholder for future extensions and custom formats
2377	* @fmt: union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr, @meta
2378	* and @raw_data
2379	*/
2380	struct v4l2_format {
2381	__u32 type;
2382	union {
2383	struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
2384	struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
2385	struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
2386	struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */
2387	struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
2388	struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */
2389	struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */
2390	__u8 raw_data[200]; /* user-defined */
2391	} fmt;
2392	};
2393
2394	/* Stream type-dependent parameters
2395	*/
2396	struct v4l2_streamparm {
2397	__u32 type; /* enum v4l2_buf_type */
2398	union {
2399	struct v4l2_captureparm capture;
2400	struct v4l2_outputparm output;
2401	__u8 raw_data[200]; /* user-defined */
2402	} parm;
2403	};
2404
2405	/*
2406	* E V E N T S
2407	*/
2408
2409	#define V4L2_EVENT_ALL 0
2410	#define V4L2_EVENT_VSYNC 1
2411	#define V4L2_EVENT_EOS 2
2412	#define V4L2_EVENT_CTRL 3
2413	#define V4L2_EVENT_FRAME_SYNC 4
2414	#define V4L2_EVENT_SOURCE_CHANGE 5
2415	#define V4L2_EVENT_MOTION_DET 6
2416	#define V4L2_EVENT_PRIVATE_START 0x08000000
2417
2418	/* Payload for V4L2_EVENT_VSYNC */
2419	struct v4l2_event_vsync {
2420	/* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
2421	__u8 field;
2422	} __attribute__ ((packed));
2423
2424	/* Payload for V4L2_EVENT_CTRL */
2425	#define V4L2_EVENT_CTRL_CH_VALUE (1 << 0)
2426	#define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1)
2427	#define V4L2_EVENT_CTRL_CH_RANGE (1 << 2)
2428	#define V4L2_EVENT_CTRL_CH_DIMENSIONS (1 << 3)
2429
2430	struct v4l2_event_ctrl {
2431	__u32 changes;
2432	__u32 type;
2433	union {
2434	__s32 value;
2435	__s64 value64;
2436	};
2437	__u32 flags;
2438	__s32 minimum;
2439	__s32 maximum;
2440	__s32 step;
2441	__s32 default_value;
2442	};
2443
2444	struct v4l2_event_frame_sync {
2445	__u32 frame_sequence;
2446	};
2447
2448	#define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0)
2449
2450	struct v4l2_event_src_change {
2451	__u32 changes;
2452	};
2453
2454	#define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0)
2455
2456	/**
2457	* struct v4l2_event_motion_det - motion detection event
2458	* @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
2459	* frame_sequence field is valid.
2460	* @frame_sequence: the frame sequence number associated with this event.
2461	* @region_mask: which regions detected motion.
2462	*/
2463	struct v4l2_event_motion_det {
2464	__u32 flags;
2465	__u32 frame_sequence;
2466	__u32 region_mask;
2467	};
2468
2469	struct v4l2_event {
2470	__u32 type;
2471	union {
2472	struct v4l2_event_vsync vsync;
2473	struct v4l2_event_ctrl ctrl;
2474	struct v4l2_event_frame_sync frame_sync;
2475	struct v4l2_event_src_change src_change;
2476	struct v4l2_event_motion_det motion_det;
2477	__u8 data[64];
2478	} u;
2479	__u32 pending;
2480	__u32 sequence;
2481	struct timespec timestamp;
2482	__u32 id;
2483	__u32 reserved[8];
2484	};
2485
2486	#define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0)
2487	#define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1)
2488
2489	struct v4l2_event_subscription {
2490	__u32 type;
2491	__u32 id;
2492	__u32 flags;
2493	__u32 reserved[5];
2494	};
2495
2496	/*
2497	* A D V A N C E D D E B U G G I N G
2498	*
2499	* NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
2500	* FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
2501	*/
2502
2503	/* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
2504
2505	#define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */
2506	#define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */
2507
2508	/* The following four defines are no longer in use */
2509	#define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
2510	#define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */
2511	#define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */
2512	#define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */
2513
2514	struct v4l2_dbg_match {
2515	__u32 type; /* Match type */
2516	union { /* Match this chip, meaning determined by type */
2517	__u32 addr;
2518	char name[32];
2519	};
2520	} __attribute__ ((packed));
2521
2522	struct v4l2_dbg_register {
2523	struct v4l2_dbg_match match;
2524	__u32 size; /* register size in bytes */
2525	__u64 reg;
2526	__u64 val;
2527	} __attribute__ ((packed));
2528
2529	#define V4L2_CHIP_FL_READABLE (1 << 0)
2530	#define V4L2_CHIP_FL_WRITABLE (1 << 1)
2531
2532	/* VIDIOC_DBG_G_CHIP_INFO */
2533	struct v4l2_dbg_chip_info {
2534	struct v4l2_dbg_match match;
2535	char name[32];
2536	__u32 flags;
2537	__u32 reserved[32];
2538	} __attribute__ ((packed));
2539
2540	/**
2541	* struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
2542	* @index: on return, index of the first created buffer
2543	* @count: entry: number of requested buffers,
2544	* return: number of created buffers
2545	* @memory: enum v4l2_memory; buffer memory type
2546	* @format: frame format, for which buffers are requested
2547	* @capabilities: capabilities of this buffer type.
2548	* @flags: additional buffer management attributes (ignored unless the
2549	* queue has V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS capability
2550	* and configured for MMAP streaming I/O).
2551	* @max_num_buffers: if V4L2_BUF_CAP_SUPPORTS_MAX_NUM_BUFFERS capability flag is set
2552	* this field indicate the maximum possible number of buffers
2553	* for this queue.
2554	* @reserved: future extensions
2555	*/
2556	struct v4l2_create_buffers {
2557	__u32 index;
2558	__u32 count;
2559	__u32 memory;
2560	struct v4l2_format format;
2561	__u32 capabilities;
2562	__u32 flags;
2563	__u32 max_num_buffers;
2564	__u32 reserved[5];
2565	};
2566
2567	/*
2568	* 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
2569	*
2570	*/
2571	#define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability)
2572	#define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc)
2573	#define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format)
2574	#define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format)
2575	#define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers)
2576	#define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer)
2577	#define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer)
2578	#define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer)
2579	#define VIDIOC_OVERLAY _IOW('V', 14, int)
2580	#define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer)
2581	#define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer)
2582	#define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer)
2583	#define VIDIOC_STREAMON _IOW('V', 18, int)
2584	#define VIDIOC_STREAMOFF _IOW('V', 19, int)
2585	#define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm)
2586	#define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm)
2587	#define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id)
2588	#define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id)
2589	#define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard)
2590	#define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input)
2591	#define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control)
2592	#define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control)
2593	#define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner)
2594	#define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner)
2595	#define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio)
2596	#define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio)
2597	#define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl)
2598	#define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu)
2599	#define VIDIOC_G_INPUT _IOR('V', 38, int)
2600	#define VIDIOC_S_INPUT _IOWR('V', 39, int)
2601	#define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid)
2602	#define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid)
2603	#define VIDIOC_G_OUTPUT _IOR('V', 46, int)
2604	#define VIDIOC_S_OUTPUT _IOWR('V', 47, int)
2605	#define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output)
2606	#define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout)
2607	#define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout)
2608	#define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator)
2609	#define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator)
2610	#define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency)
2611	#define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency)
2612	#define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap)
2613	#define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop)
2614	#define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop)
2615	#define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression)
2616	#define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression)
2617	#define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id)
2618	#define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format)
2619	#define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio)
2620	#define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout)
2621	#define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */
2622	#define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */
2623	#define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
2624	#define VIDIOC_LOG_STATUS _IO('V', 70)
2625	#define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls)
2626	#define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls)
2627	#define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls)
2628	#define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum)
2629	#define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
2630	#define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx)
2631	#define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd)
2632	#define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd)
2633
2634	/*
2635	* Experimental, meant for debugging, testing and internal use.
2636	* Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
2637	* You must be root to use these ioctls. Never use these in applications!
2638	*/
2639	#define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register)
2640	#define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register)
2641
2642	#define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek)
2643	#define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings)
2644	#define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings)
2645	#define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event)
2646	#define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription)
2647	#define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
2648	#define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers)
2649	#define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer)
2650	#define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection)
2651	#define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection)
2652	#define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd)
2653	#define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd)
2654	#define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings)
2655	#define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings)
2656	#define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap)
2657	#define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band)
2658
2659	/*
2660	* Experimental, meant for debugging, testing and internal use.
2661	* Never use this in applications!
2662	*/
2663	#define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info)
2664
2665	#define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl)
2666
2667	/* Reminder: when adding new ioctls please add support for them to
2668	drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */
2669
2670	#define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */
2671
2672	/* Deprecated definitions kept for backwards compatibility */
2673	#define V4L2_PIX_FMT_HM12 V4L2_PIX_FMT_NV12_16L16
2674	#define V4L2_PIX_FMT_SUNXI_TILED_NV12 V4L2_PIX_FMT_NV12_32L32
2675	/*
2676	* This capability was never implemented, anyone using this cap should drop it
2677	* from their code.
2678	*/
2679	#define V4L2_CAP_ASYNCIO 0x02000000
2680
2681	#endif /* __LINUX_VIDEODEV2_H */
2682