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	* Determine how COLORSPACE_DEFAULT should map to a proper colorspace.
250	* This depends on whether this is a SDTV image (use SMPTE 170M), an
251	* HDTV image (use Rec. 709), or something else (use sRGB).
252	*/
253	#define V4L2_MAP_COLORSPACE_DEFAULT(is_sdtv, is_hdtv) \
254	((is_sdtv) ? V4L2_COLORSPACE_SMPTE170M : \
255	((is_hdtv) ? V4L2_COLORSPACE_REC709 : V4L2_COLORSPACE_SRGB))
256
257	enum v4l2_xfer_func {
258	/*
259	* Mapping of V4L2_XFER_FUNC_DEFAULT to actual transfer functions
260	* for the various colorspaces:
261	*
262	* V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
263	* V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_REC709 and
264	* V4L2_COLORSPACE_BT2020: V4L2_XFER_FUNC_709
265	*
266	* V4L2_COLORSPACE_SRGB, V4L2_COLORSPACE_JPEG: V4L2_XFER_FUNC_SRGB
267	*
268	* V4L2_COLORSPACE_OPRGB: V4L2_XFER_FUNC_OPRGB
269	*
270	* V4L2_COLORSPACE_SMPTE240M: V4L2_XFER_FUNC_SMPTE240M
271	*
272	* V4L2_COLORSPACE_RAW: V4L2_XFER_FUNC_NONE
273	*
274	* V4L2_COLORSPACE_DCI_P3: V4L2_XFER_FUNC_DCI_P3
275	*/
276	V4L2_XFER_FUNC_DEFAULT = 0,
277	V4L2_XFER_FUNC_709 = 1,
278	V4L2_XFER_FUNC_SRGB = 2,
279	V4L2_XFER_FUNC_OPRGB = 3,
280	V4L2_XFER_FUNC_SMPTE240M = 4,
281	V4L2_XFER_FUNC_NONE = 5,
282	V4L2_XFER_FUNC_DCI_P3 = 6,
283	V4L2_XFER_FUNC_SMPTE2084 = 7,
284	};
285
286	/*
287	* Determine how XFER_FUNC_DEFAULT should map to a proper transfer function.
288	* This depends on the colorspace.
289	*/
290	#define V4L2_MAP_XFER_FUNC_DEFAULT(colsp) \
291	((colsp) == V4L2_COLORSPACE_OPRGB ? V4L2_XFER_FUNC_OPRGB : \
292	((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_XFER_FUNC_SMPTE240M : \
293	((colsp) == V4L2_COLORSPACE_DCI_P3 ? V4L2_XFER_FUNC_DCI_P3 : \
294	((colsp) == V4L2_COLORSPACE_RAW ? V4L2_XFER_FUNC_NONE : \
295	((colsp) == V4L2_COLORSPACE_SRGB || (colsp) == V4L2_COLORSPACE_JPEG ? \
296	V4L2_XFER_FUNC_SRGB : V4L2_XFER_FUNC_709)))))
297
298	enum v4l2_ycbcr_encoding {
299	/*
300	* Mapping of V4L2_YCBCR_ENC_DEFAULT to actual encodings for the
301	* various colorspaces:
302	*
303	* V4L2_COLORSPACE_SMPTE170M, V4L2_COLORSPACE_470_SYSTEM_M,
304	* V4L2_COLORSPACE_470_SYSTEM_BG, V4L2_COLORSPACE_SRGB,
305	* V4L2_COLORSPACE_OPRGB and V4L2_COLORSPACE_JPEG: V4L2_YCBCR_ENC_601
306	*
307	* V4L2_COLORSPACE_REC709 and V4L2_COLORSPACE_DCI_P3: V4L2_YCBCR_ENC_709
308	*
309	* V4L2_COLORSPACE_BT2020: V4L2_YCBCR_ENC_BT2020
310	*
311	* V4L2_COLORSPACE_SMPTE240M: V4L2_YCBCR_ENC_SMPTE240M
312	*/
313	V4L2_YCBCR_ENC_DEFAULT = 0,
314
315	/* ITU-R 601 -- SDTV */
316	V4L2_YCBCR_ENC_601 = 1,
317
318	/* Rec. 709 -- HDTV */
319	V4L2_YCBCR_ENC_709 = 2,
320
321	/* ITU-R 601/EN 61966-2-4 Extended Gamut -- SDTV */
322	V4L2_YCBCR_ENC_XV601 = 3,
323
324	/* Rec. 709/EN 61966-2-4 Extended Gamut -- HDTV */
325	V4L2_YCBCR_ENC_XV709 = 4,
326
327	/*
328	* sYCC (Y'CbCr encoding of sRGB), identical to ENC_601. It was added
329	* originally due to a misunderstanding of the sYCC standard. It should
330	* not be used, instead use V4L2_YCBCR_ENC_601.
331	*/
332	V4L2_YCBCR_ENC_SYCC = 5,
333
334	/* BT.2020 Non-constant Luminance Y'CbCr */
335	V4L2_YCBCR_ENC_BT2020 = 6,
336
337	/* BT.2020 Constant Luminance Y'CbcCrc */
338	V4L2_YCBCR_ENC_BT2020_CONST_LUM = 7,
339
340	/* SMPTE 240M -- Obsolete HDTV */
341	V4L2_YCBCR_ENC_SMPTE240M = 8,
342	};
343
344	/*
345	* enum v4l2_hsv_encoding values should not collide with the ones from
346	* enum v4l2_ycbcr_encoding.
347	*/
348	enum v4l2_hsv_encoding {
349
350	/* Hue mapped to 0 - 179 */
351	V4L2_HSV_ENC_180 = 128,
352
353	/* Hue mapped to 0-255 */
354	V4L2_HSV_ENC_256 = 129,
355	};
356
357	/*
358	* Determine how YCBCR_ENC_DEFAULT should map to a proper Y'CbCr encoding.
359	* This depends on the colorspace.
360	*/
361	#define V4L2_MAP_YCBCR_ENC_DEFAULT(colsp) \
362	(((colsp) == V4L2_COLORSPACE_REC709 || \
363	(colsp) == V4L2_COLORSPACE_DCI_P3) ? V4L2_YCBCR_ENC_709 : \
364	((colsp) == V4L2_COLORSPACE_BT2020 ? V4L2_YCBCR_ENC_BT2020 : \
365	((colsp) == V4L2_COLORSPACE_SMPTE240M ? V4L2_YCBCR_ENC_SMPTE240M : \
366	V4L2_YCBCR_ENC_601)))
367
368	enum v4l2_quantization {
369	/*
370	* The default for R'G'B' quantization is always full range.
371	* For Y'CbCr the quantization is always limited range, except
372	* for COLORSPACE_JPEG: this is full range.
373	*/
374	V4L2_QUANTIZATION_DEFAULT = 0,
375	V4L2_QUANTIZATION_FULL_RANGE = 1,
376	V4L2_QUANTIZATION_LIM_RANGE = 2,
377	};
378
379	/*
380	* Determine how QUANTIZATION_DEFAULT should map to a proper quantization.
381	* This depends on whether the image is RGB or not, the colorspace.
382	* The Y'CbCr encoding is not used anymore, but is still there for backwards
383	* compatibility.
384	*/
385	#define V4L2_MAP_QUANTIZATION_DEFAULT(is_rgb_or_hsv, colsp, ycbcr_enc) \
386	(((is_rgb_or_hsv) || (colsp) == V4L2_COLORSPACE_JPEG) ? \
387	V4L2_QUANTIZATION_FULL_RANGE : V4L2_QUANTIZATION_LIM_RANGE)
388
389	/*
390	* Deprecated names for opRGB colorspace (IEC 61966-2-5)
391	*
392	* WARNING: Please don't use these deprecated defines in your code, as
393	* there is a chance we have to remove them in the future.
394	*/
395	#define V4L2_COLORSPACE_ADOBERGB V4L2_COLORSPACE_OPRGB
396	#define V4L2_XFER_FUNC_ADOBERGB V4L2_XFER_FUNC_OPRGB
397
398	enum v4l2_priority {
399	V4L2_PRIORITY_UNSET = 0, /* not initialized */
400	V4L2_PRIORITY_BACKGROUND = 1,
401	V4L2_PRIORITY_INTERACTIVE = 2,
402	V4L2_PRIORITY_RECORD = 3,
403	V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE,
404	};
405
406	struct v4l2_rect {
407	__s32 left;
408	__s32 top;
409	__u32 width;
410	__u32 height;
411	};
412
413	struct v4l2_fract {
414	__u32 numerator;
415	__u32 denominator;
416	};
417
418	struct v4l2_area {
419	__u32 width;
420	__u32 height;
421	};
422
423	/**
424	* struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
425	*
426	* @driver: name of the driver module (e.g. "bttv")
427	* @card: name of the card (e.g. "Hauppauge WinTV")
428	* @bus_info: name of the bus (e.g. "PCI:" + pci_name(pci_dev) )
429	* @version: KERNEL_VERSION
430	* @capabilities: capabilities of the physical device as a whole
431	* @device_caps: capabilities accessed via this particular device (node)
432	* @reserved: reserved fields for future extensions
433	*/
434	struct v4l2_capability {
435	__u8 driver[16];
436	__u8 card[32];
437	__u8 bus_info[32];
438	__u32 version;
439	__u32 capabilities;
440	__u32 device_caps;
441	__u32 reserved[3];
442	};
443
444	/* Values for 'capabilities' field */
445	#define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */
446	#define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */
447	#define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */
448	#define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */
449	#define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */
450	#define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */
451	#define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */
452	#define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */
453	#define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */
454	#define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */
455	#define V4L2_CAP_RDS_OUTPUT 0x00000800 /* Is an RDS encoder */
456
457	/* Is a video capture device that supports multiplanar formats */
458	#define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000
459	/* Is a video output device that supports multiplanar formats */
460	#define V4L2_CAP_VIDEO_OUTPUT_MPLANE 0x00002000
461	/* Is a video mem-to-mem device that supports multiplanar formats */
462	#define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000
463	/* Is a video mem-to-mem device */
464	#define V4L2_CAP_VIDEO_M2M 0x00008000
465
466	#define V4L2_CAP_TUNER 0x00010000 /* has a tuner */
467	#define V4L2_CAP_AUDIO 0x00020000 /* has audio support */
468	#define V4L2_CAP_RADIO 0x00040000 /* is a radio device */
469	#define V4L2_CAP_MODULATOR 0x00080000 /* has a modulator */
470
471	#define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */
472	#define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */
473	#define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */
474	#define V4L2_CAP_META_CAPTURE 0x00800000 /* Is a metadata capture device */
475
476	#define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
477	#define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */
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
553	/* Grey formats */
554	#define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */
555	#define V4L2_PIX_FMT_Y4 v4l2_fourcc('Y', '0', '4', ' ') /* 4 Greyscale */
556	#define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */
557	#define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */
558	#define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */
559	#define V4L2_PIX_FMT_Y14 v4l2_fourcc('Y', '1', '4', ' ') /* 14 Greyscale */
560	#define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */
561	#define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */
562
563	/* Grey bit-packed formats */
564	#define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */
565	#define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */
566
567	/* Palette formats */
568	#define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */
569
570	/* Chrominance formats */
571	#define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */
572
573	/* Luminance+Chrominance formats */
574	#define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */
575	#define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16 YUV 4:2:2 */
576	#define V4L2_PIX_FMT_YVYU v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
577	#define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */
578	#define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */
579	#define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */
580	#define V4L2_PIX_FMT_YUV444 v4l2_fourcc('Y', '4', '4', '4') /* 16 xxxxyyyy uuuuvvvv */
581	#define V4L2_PIX_FMT_YUV555 v4l2_fourcc('Y', 'U', 'V', 'O') /* 16 YUV-5-5-5 */
582	#define V4L2_PIX_FMT_YUV565 v4l2_fourcc('Y', 'U', 'V', 'P') /* 16 YUV-5-6-5 */
583	#define V4L2_PIX_FMT_YUV24 v4l2_fourcc('Y', 'U', 'V', '3') /* 24 YUV-8-8-8 */
584	#define V4L2_PIX_FMT_YUV32 v4l2_fourcc('Y', 'U', 'V', '4') /* 32 YUV-8-8-8-8 */
585	#define V4L2_PIX_FMT_AYUV32 v4l2_fourcc('A', 'Y', 'U', 'V') /* 32 AYUV-8-8-8-8 */
586	#define V4L2_PIX_FMT_XYUV32 v4l2_fourcc('X', 'Y', 'U', 'V') /* 32 XYUV-8-8-8-8 */
587	#define V4L2_PIX_FMT_VUYA32 v4l2_fourcc('V', 'U', 'Y', 'A') /* 32 VUYA-8-8-8-8 */
588	#define V4L2_PIX_FMT_VUYX32 v4l2_fourcc('V', 'U', 'Y', 'X') /* 32 VUYX-8-8-8-8 */
589	#define V4L2_PIX_FMT_M420 v4l2_fourcc('M', '4', '2', '0') /* 12 YUV 4:2:0 2 lines y, 1 line uv interleaved */
590
591	/* two planes -- one Y, one Cr + Cb interleaved */
592	#define V4L2_PIX_FMT_NV12 v4l2_fourcc('N', 'V', '1', '2') /* 12 Y/CbCr 4:2:0 */
593	#define V4L2_PIX_FMT_NV21 v4l2_fourcc('N', 'V', '2', '1') /* 12 Y/CrCb 4:2:0 */
594	#define V4L2_PIX_FMT_NV16 v4l2_fourcc('N', 'V', '1', '6') /* 16 Y/CbCr 4:2:2 */
595	#define V4L2_PIX_FMT_NV61 v4l2_fourcc('N', 'V', '6', '1') /* 16 Y/CrCb 4:2:2 */
596	#define V4L2_PIX_FMT_NV24 v4l2_fourcc('N', 'V', '2', '4') /* 24 Y/CbCr 4:4:4 */
597	#define V4L2_PIX_FMT_NV42 v4l2_fourcc('N', 'V', '4', '2') /* 24 Y/CrCb 4:4:4 */
598	#define V4L2_PIX_FMT_HM12 v4l2_fourcc('H', 'M', '1', '2') /* 8 YUV 4:2:0 16x16 macroblocks */
599
600	/* two non contiguous planes - one Y, one Cr + Cb interleaved */
601	#define V4L2_PIX_FMT_NV12M v4l2_fourcc('N', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 */
602	#define V4L2_PIX_FMT_NV21M v4l2_fourcc('N', 'M', '2', '1') /* 21 Y/CrCb 4:2:0 */
603	#define V4L2_PIX_FMT_NV16M v4l2_fourcc('N', 'M', '1', '6') /* 16 Y/CbCr 4:2:2 */
604	#define V4L2_PIX_FMT_NV61M v4l2_fourcc('N', 'M', '6', '1') /* 16 Y/CrCb 4:2:2 */
605	#define V4L2_PIX_FMT_NV12MT v4l2_fourcc('T', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 64x32 macroblocks */
606	#define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12 Y/CbCr 4:2:0 16x16 macroblocks */
607
608	/* three planes - Y Cb, Cr */
609	#define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y', 'U', 'V', '9') /* 9 YUV 4:1:0 */
610	#define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */
611	#define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 12 YVU411 planar */
612	#define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y', 'U', '1', '2') /* 12 YUV 4:2:0 */
613	#define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */
614	#define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */
615
616	/* three non contiguous planes - Y, Cb, Cr */
617	#define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12 YUV420 planar */
618	#define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12 YVU420 planar */
619	#define V4L2_PIX_FMT_YUV422M v4l2_fourcc('Y', 'M', '1', '6') /* 16 YUV422 planar */
620	#define V4L2_PIX_FMT_YVU422M v4l2_fourcc('Y', 'M', '6', '1') /* 16 YVU422 planar */
621	#define V4L2_PIX_FMT_YUV444M v4l2_fourcc('Y', 'M', '2', '4') /* 24 YUV444 planar */
622	#define V4L2_PIX_FMT_YVU444M v4l2_fourcc('Y', 'M', '4', '2') /* 24 YVU444 planar */
623
624	/* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
625	#define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */
626	#define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */
627	#define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */
628	#define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */
629	#define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */
630	#define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */
631	#define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */
632	#define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */
633	/* 10bit raw bayer packed, 5 bytes for every 4 pixels */
634	#define V4L2_PIX_FMT_SBGGR10P v4l2_fourcc('p', 'B', 'A', 'A')
635	#define V4L2_PIX_FMT_SGBRG10P v4l2_fourcc('p', 'G', 'A', 'A')
636	#define V4L2_PIX_FMT_SGRBG10P v4l2_fourcc('p', 'g', 'A', 'A')
637	#define V4L2_PIX_FMT_SRGGB10P v4l2_fourcc('p', 'R', 'A', 'A')
638	/* 10bit raw bayer a-law compressed to 8 bits */
639	#define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
640	#define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
641	#define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
642	#define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
643	/* 10bit raw bayer DPCM compressed to 8 bits */
644	#define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
645	#define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
646	#define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
647	#define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
648	#define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12 BGBG.. GRGR.. */
649	#define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */
650	#define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */
651	#define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */
652	/* 12bit raw bayer packed, 6 bytes for every 4 pixels */
653	#define V4L2_PIX_FMT_SBGGR12P v4l2_fourcc('p', 'B', 'C', 'C')
654	#define V4L2_PIX_FMT_SGBRG12P v4l2_fourcc('p', 'G', 'C', 'C')
655	#define V4L2_PIX_FMT_SGRBG12P v4l2_fourcc('p', 'g', 'C', 'C')
656	#define V4L2_PIX_FMT_SRGGB12P v4l2_fourcc('p', 'R', 'C', 'C')
657	#define V4L2_PIX_FMT_SBGGR14 v4l2_fourcc('B', 'G', '1', '4') /* 14 BGBG.. GRGR.. */
658	#define V4L2_PIX_FMT_SGBRG14 v4l2_fourcc('G', 'B', '1', '4') /* 14 GBGB.. RGRG.. */
659	#define V4L2_PIX_FMT_SGRBG14 v4l2_fourcc('G', 'R', '1', '4') /* 14 GRGR.. BGBG.. */
660	#define V4L2_PIX_FMT_SRGGB14 v4l2_fourcc('R', 'G', '1', '4') /* 14 RGRG.. GBGB.. */
661	/* 14bit raw bayer packed, 7 bytes for every 4 pixels */
662	#define V4L2_PIX_FMT_SBGGR14P v4l2_fourcc('p', 'B', 'E', 'E')
663	#define V4L2_PIX_FMT_SGBRG14P v4l2_fourcc('p', 'G', 'E', 'E')
664	#define V4L2_PIX_FMT_SGRBG14P v4l2_fourcc('p', 'g', 'E', 'E')
665	#define V4L2_PIX_FMT_SRGGB14P v4l2_fourcc('p', 'R', 'E', 'E')
666	#define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */
667	#define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */
668	#define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */
669	#define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */
670
671	/* HSV formats */
672	#define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3')
673	#define V4L2_PIX_FMT_HSV32 v4l2_fourcc('H', 'S', 'V', '4')
674
675	/* compressed formats */
676	#define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG */
677	#define V4L2_PIX_FMT_JPEG v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG */
678	#define V4L2_PIX_FMT_DV v4l2_fourcc('d', 'v', 's', 'd') /* 1394 */
679	#define V4L2_PIX_FMT_MPEG v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
680	#define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
681	#define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
682	#define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
683	#define V4L2_PIX_FMT_H263 v4l2_fourcc('H', '2', '6', '3') /* H263 */
684	#define V4L2_PIX_FMT_MPEG1 v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES */
685	#define V4L2_PIX_FMT_MPEG2 v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES */
686	#define V4L2_PIX_FMT_MPEG2_SLICE v4l2_fourcc('M', 'G', '2', 'S') /* MPEG-2 parsed slice data */
687	#define V4L2_PIX_FMT_MPEG4 v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 part 2 ES */
688	#define V4L2_PIX_FMT_XVID v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid */
689	#define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
690	#define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
691	#define V4L2_PIX_FMT_VP8 v4l2_fourcc('V', 'P', '8', '0') /* VP8 */
692	#define V4L2_PIX_FMT_VP8_FRAME v4l2_fourcc('V', 'P', '8', 'F') /* VP8 parsed frame */
693	#define V4L2_PIX_FMT_VP9 v4l2_fourcc('V', 'P', '9', '0') /* VP9 */
694	#define V4L2_PIX_FMT_HEVC v4l2_fourcc('H', 'E', 'V', 'C') /* HEVC aka H.265 */
695	#define V4L2_PIX_FMT_FWHT v4l2_fourcc('F', 'W', 'H', 'T') /* Fast Walsh Hadamard Transform (vicodec) */
696	#define V4L2_PIX_FMT_FWHT_STATELESS v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */
697	#define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */
698
699	/* Vendor-specific formats */
700	#define V4L2_PIX_FMT_CPIA1 v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
701	#define V4L2_PIX_FMT_WNVA v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
702	#define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
703	#define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
704	#define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
705	#define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
706	#define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
707	#define V4L2_PIX_FMT_SPCA501 v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
708	#define V4L2_PIX_FMT_SPCA505 v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
709	#define V4L2_PIX_FMT_SPCA508 v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
710	#define V4L2_PIX_FMT_SPCA561 v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
711	#define V4L2_PIX_FMT_PAC207 v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
712	#define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
713	#define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */
714	#define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
715	#define V4L2_PIX_FMT_SQ905C v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
716	#define V4L2_PIX_FMT_PJPG v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
717	#define V4L2_PIX_FMT_OV511 v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
718	#define V4L2_PIX_FMT_OV518 v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
719	#define V4L2_PIX_FMT_STV0680 v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
720	#define V4L2_PIX_FMT_TM6000 v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
721	#define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
722	#define V4L2_PIX_FMT_KONICA420 v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
723	#define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
724	#define V4L2_PIX_FMT_SE401 v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */
725	#define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */
726	#define V4L2_PIX_FMT_Y8I v4l2_fourcc('Y', '8', 'I', ' ') /* Greyscale 8-bit L/R interleaved */
727	#define V4L2_PIX_FMT_Y12I v4l2_fourcc('Y', '1', '2', 'I') /* Greyscale 12-bit L/R interleaved */
728	#define V4L2_PIX_FMT_Z16 v4l2_fourcc('Z', '1', '6', ' ') /* Depth data 16-bit */
729	#define V4L2_PIX_FMT_MT21C v4l2_fourcc('M', 'T', '2', '1') /* Mediatek compressed block mode */
730	#define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */
731	#define V4L2_PIX_FMT_SUNXI_TILED_NV12 v4l2_fourcc('S', 'T', '1', '2') /* Sunxi Tiled NV12 Format */
732	#define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */
733	#define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* BTTV 8-bit dithered RGB */
734
735	/* 10bit raw bayer packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */
736	#define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */
737	#define V4L2_PIX_FMT_IPU3_SGBRG10 v4l2_fourcc('i', 'p', '3', 'g') /* IPU3 packed 10-bit GBRG bayer */
738	#define V4L2_PIX_FMT_IPU3_SGRBG10 v4l2_fourcc('i', 'p', '3', 'G') /* IPU3 packed 10-bit GRBG bayer */
739	#define V4L2_PIX_FMT_IPU3_SRGGB10 v4l2_fourcc('i', 'p', '3', 'r') /* IPU3 packed 10-bit RGGB bayer */
740
741	/* SDR formats - used only for Software Defined Radio devices */
742	#define V4L2_SDR_FMT_CU8 v4l2_fourcc('C', 'U', '0', '8') /* IQ u8 */
743	#define V4L2_SDR_FMT_CU16LE v4l2_fourcc('C', 'U', '1', '6') /* IQ u16le */
744	#define V4L2_SDR_FMT_CS8 v4l2_fourcc('C', 'S', '0', '8') /* complex s8 */
745	#define V4L2_SDR_FMT_CS14LE v4l2_fourcc('C', 'S', '1', '4') /* complex s14le */
746	#define V4L2_SDR_FMT_RU12LE v4l2_fourcc('R', 'U', '1', '2') /* real u12le */
747	#define V4L2_SDR_FMT_PCU16BE v4l2_fourcc('P', 'C', '1', '6') /* planar complex u16be */
748	#define V4L2_SDR_FMT_PCU18BE v4l2_fourcc('P', 'C', '1', '8') /* planar complex u18be */
749	#define V4L2_SDR_FMT_PCU20BE v4l2_fourcc('P', 'C', '2', '0') /* planar complex u20be */
750
751	/* Touch formats - used for Touch devices */
752	#define V4L2_TCH_FMT_DELTA_TD16 v4l2_fourcc('T', 'D', '1', '6') /* 16-bit signed deltas */
753	#define V4L2_TCH_FMT_DELTA_TD08 v4l2_fourcc('T', 'D', '0', '8') /* 8-bit signed deltas */
754	#define V4L2_TCH_FMT_TU16 v4l2_fourcc('T', 'U', '1', '6') /* 16-bit unsigned touch data */
755	#define V4L2_TCH_FMT_TU08 v4l2_fourcc('T', 'U', '0', '8') /* 8-bit unsigned touch data */
756
757	/* Meta-data formats */
758	#define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */
759	#define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
760	#define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */
761	#define V4L2_META_FMT_D4XX v4l2_fourcc('D', '4', 'X', 'X') /* D4XX Payload Header metadata */
762	#define V4L2_META_FMT_VIVID v4l2_fourcc('V', 'I', 'V', 'D') /* Vivid Metadata */
763
764	/* Vendor specific - used for RK_ISP1 camera sub-system */
765	#define V4L2_META_FMT_RK_ISP1_PARAMS v4l2_fourcc('R', 'K', '1', 'P') /* Rockchip ISP1 3A Parameters */
766	#define V4L2_META_FMT_RK_ISP1_STAT_3A v4l2_fourcc('R', 'K', '1', 'S') /* Rockchip ISP1 3A Statistics */
767
768	/* priv field value to indicates that subsequent fields are valid. */
769	#define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe
770
771	/* Flags */
772	#define V4L2_PIX_FMT_FLAG_PREMUL_ALPHA 0x00000001
773	#define V4L2_PIX_FMT_FLAG_SET_CSC 0x00000002
774
775	/*
776	* F O R M A T E N U M E R A T I O N
777	*/
778	struct v4l2_fmtdesc {
779	__u32 index; /* Format number */
780	__u32 type; /* enum v4l2_buf_type */
781	__u32 flags;
782	__u8 description[32]; /* Description string */
783	__u32 pixelformat; /* Format fourcc */
784	__u32 mbus_code; /* Media bus code */
785	__u32 reserved[3];
786	};
787
788	#define V4L2_FMT_FLAG_COMPRESSED 0x0001
789	#define V4L2_FMT_FLAG_EMULATED 0x0002
790	#define V4L2_FMT_FLAG_CONTINUOUS_BYTESTREAM 0x0004
791	#define V4L2_FMT_FLAG_DYN_RESOLUTION 0x0008
792	#define V4L2_FMT_FLAG_ENC_CAP_FRAME_INTERVAL 0x0010
793	#define V4L2_FMT_FLAG_CSC_COLORSPACE 0x0020
794	#define V4L2_FMT_FLAG_CSC_XFER_FUNC 0x0040
795	#define V4L2_FMT_FLAG_CSC_YCBCR_ENC 0x0080
796	#define V4L2_FMT_FLAG_CSC_HSV_ENC V4L2_FMT_FLAG_CSC_YCBCR_ENC
797	#define V4L2_FMT_FLAG_CSC_QUANTIZATION 0x0100
798
799	/* Frame Size and frame rate enumeration */
800	/*
801	* F R A M E S I Z E E N U M E R A T I O N
802	*/
803	enum v4l2_frmsizetypes {
804	V4L2_FRMSIZE_TYPE_DISCRETE = 1,
805	V4L2_FRMSIZE_TYPE_CONTINUOUS = 2,
806	V4L2_FRMSIZE_TYPE_STEPWISE = 3,
807	};
808
809	struct v4l2_frmsize_discrete {
810	__u32 width; /* Frame width [pixel] */
811	__u32 height; /* Frame height [pixel] */
812	};
813
814	struct v4l2_frmsize_stepwise {
815	__u32 min_width; /* Minimum frame width [pixel] */
816	__u32 max_width; /* Maximum frame width [pixel] */
817	__u32 step_width; /* Frame width step size [pixel] */
818	__u32 min_height; /* Minimum frame height [pixel] */
819	__u32 max_height; /* Maximum frame height [pixel] */
820	__u32 step_height; /* Frame height step size [pixel] */
821	};
822
823	struct v4l2_frmsizeenum {
824	__u32 index; /* Frame size number */
825	__u32 pixel_format; /* Pixel format */
826	__u32 type; /* Frame size type the device supports. */
827
828	union { /* Frame size */
829	struct v4l2_frmsize_discrete discrete;
830	struct v4l2_frmsize_stepwise stepwise;
831	};
832
833	__u32 reserved[2]; /* Reserved space for future use */
834	};
835
836	/*
837	* F R A M E R A T E E N U M E R A T I O N
838	*/
839	enum v4l2_frmivaltypes {
840	V4L2_FRMIVAL_TYPE_DISCRETE = 1,
841	V4L2_FRMIVAL_TYPE_CONTINUOUS = 2,
842	V4L2_FRMIVAL_TYPE_STEPWISE = 3,
843	};
844
845	struct v4l2_frmival_stepwise {
846	struct v4l2_fract min; /* Minimum frame interval [s] */
847	struct v4l2_fract max; /* Maximum frame interval [s] */
848	struct v4l2_fract step; /* Frame interval step size [s] */
849	};
850
851	struct v4l2_frmivalenum {
852	__u32 index; /* Frame format index */
853	__u32 pixel_format; /* Pixel format */
854	__u32 width; /* Frame width */
855	__u32 height; /* Frame height */
856	__u32 type; /* Frame interval type the device supports. */
857
858	union { /* Frame interval */
859	struct v4l2_fract discrete;
860	struct v4l2_frmival_stepwise stepwise;
861	};
862
863	__u32 reserved[2]; /* Reserved space for future use */
864	};
865
866	/*
867	* T I M E C O D E
868	*/
869	struct v4l2_timecode {
870	__u32 type;
871	__u32 flags;
872	__u8 frames;
873	__u8 seconds;
874	__u8 minutes;
875	__u8 hours;
876	__u8 userbits[4];
877	};
878
879	/* Type */
880	#define V4L2_TC_TYPE_24FPS 1
881	#define V4L2_TC_TYPE_25FPS 2
882	#define V4L2_TC_TYPE_30FPS 3
883	#define V4L2_TC_TYPE_50FPS 4
884	#define V4L2_TC_TYPE_60FPS 5
885
886	/* Flags */
887	#define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */
888	#define V4L2_TC_FLAG_COLORFRAME 0x0002
889	#define V4L2_TC_USERBITS_field 0x000C
890	#define V4L2_TC_USERBITS_USERDEFINED 0x0000
891	#define V4L2_TC_USERBITS_8BITCHARS 0x0008
892	/* The above is based on SMPTE timecodes */
893
894	struct v4l2_jpegcompression {
895	int quality;
896
897	int APPn; /* Number of APP segment to be written,
898	* must be 0..15 */
899	int APP_len; /* Length of data in JPEG APPn segment */
900	char APP_data[60]; /* Data in the JPEG APPn segment. */
901
902	int COM_len; /* Length of data in JPEG COM segment */
903	char COM_data[60]; /* Data in JPEG COM segment */
904
905	__u32 jpeg_markers; /* Which markers should go into the JPEG
906	* output. Unless you exactly know what
907	* you do, leave them untouched.
908	* Including less markers will make the
909	* resulting code smaller, but there will
910	* be fewer applications which can read it.
911	* The presence of the APP and COM marker
912	* is influenced by APP_len and COM_len
913	* ONLY, not by this property! */
914
915	#define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */
916	#define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */
917	#define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
918	#define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */
919	#define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will
920	* always use APP0 */
921	};
922
923	/*
924	* M E M O R Y - M A P P I N G B U F F E R S
925	*/
926
927
928	struct v4l2_requestbuffers {
929	__u32 count;
930	__u32 type; /* enum v4l2_buf_type */
931	__u32 memory; /* enum v4l2_memory */
932	__u32 capabilities;
933	__u32 reserved[1];
934	};
935
936	/* capabilities for struct v4l2_requestbuffers and v4l2_create_buffers */
937	#define V4L2_BUF_CAP_SUPPORTS_MMAP (1 << 0)
938	#define V4L2_BUF_CAP_SUPPORTS_USERPTR (1 << 1)
939	#define V4L2_BUF_CAP_SUPPORTS_DMABUF (1 << 2)
940	#define V4L2_BUF_CAP_SUPPORTS_REQUESTS (1 << 3)
941	#define V4L2_BUF_CAP_SUPPORTS_ORPHANED_BUFS (1 << 4)
942	#define V4L2_BUF_CAP_SUPPORTS_M2M_HOLD_CAPTURE_BUF (1 << 5)
943	#define V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS (1 << 6)
944
945	/**
946	* struct v4l2_plane - plane info for multi-planar buffers
947	* @bytesused: number of bytes occupied by data in the plane (payload)
948	* @length: size of this plane (NOT the payload) in bytes
949	* @mem_offset: when memory in the associated struct v4l2_buffer is
950	* V4L2_MEMORY_MMAP, equals the offset from the start of
951	* the device memory for this plane (or is a "cookie" that
952	* should be passed to mmap() called on the video node)
953	* @userptr: when memory is V4L2_MEMORY_USERPTR, a userspace pointer
954	* pointing to this plane
955	* @fd: when memory is V4L2_MEMORY_DMABUF, a userspace file
956	* descriptor associated with this plane
957	* @m: union of @mem_offset, @userptr and @fd
958	* @data_offset: offset in the plane to the start of data; usually 0,
959	* unless there is a header in front of the data
960	* @reserved: drivers and applications must zero this array
961	*
962	* Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
963	* with two planes can have one plane for Y, and another for interleaved CbCr
964	* components. Each plane can reside in a separate memory buffer, or even in
965	* a completely separate memory node (e.g. in embedded devices).
966	*/
967	struct v4l2_plane {
968	__u32 bytesused;
969	__u32 length;
970	union {
971	__u32 mem_offset;
972	unsigned long userptr;
973	__s32 fd;
974	} m;
975	__u32 data_offset;
976	__u32 reserved[11];
977	};
978
979	/**
980	* struct v4l2_buffer - video buffer info
981	* @index: id number of the buffer
982	* @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
983	* multiplanar buffers);
984	* @bytesused: number of bytes occupied by data in the buffer (payload);
985	* unused (set to 0) for multiplanar buffers
986	* @flags: buffer informational flags
987	* @field: enum v4l2_field; field order of the image in the buffer
988	* @timestamp: frame timestamp
989	* @timecode: frame timecode
990	* @sequence: sequence count of this frame
991	* @memory: enum v4l2_memory; the method, in which the actual video data is
992	* passed
993	* @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
994	* offset from the start of the device memory for this plane,
995	* (or a "cookie" that should be passed to mmap() as offset)
996	* @userptr: for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
997	* a userspace pointer pointing to this buffer
998	* @fd: for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
999	* a userspace file descriptor associated with this buffer
1000	* @planes: for multiplanar buffers; userspace pointer to the array of plane
1001	* info structs for this buffer
1002	* @m: union of @offset, @userptr, @planes and @fd
1003	* @length: size in bytes of the buffer (NOT its payload) for single-plane
1004	* buffers (when type != *_MPLANE); number of elements in the
1005	* planes array for multi-plane buffers
1006	* @reserved2: drivers and applications must zero this field
1007	* @request_fd: fd of the request that this buffer should use
1008	* @reserved: for backwards compatibility with applications that do not know
1009	* about @request_fd
1010	*
1011	* Contains data exchanged by application and driver using one of the Streaming
1012	* I/O methods.
1013	*/
1014	struct v4l2_buffer {
1015	__u32 index;
1016	__u32 type;
1017	__u32 bytesused;
1018	__u32 flags;
1019	__u32 field;
1020	struct timeval timestamp;
1021	struct v4l2_timecode timecode;
1022	__u32 sequence;
1023
1024	/* memory location */
1025	__u32 memory;
1026	union {
1027	__u32 offset;
1028	unsigned long userptr;
1029	struct v4l2_plane *planes;
1030	__s32 fd;
1031	} m;
1032	__u32 length;
1033	__u32 reserved2;
1034	union {
1035	__s32 request_fd;
1036	__u32 reserved;
1037	};
1038	};
1039
1040	/**
1041	* v4l2_timeval_to_ns - Convert timeval to nanoseconds
1042	* @tv: pointer to the timeval variable to be converted
1043	*
1044	* Returns the scalar nanosecond representation of the timeval
1045	* parameter.
1046	*/
1047	static __inline__ __u64 v4l2_timeval_to_ns(const struct timeval *tv)
1048	{
1049	return (__u64)tv->tv_sec * 1000000000ULL + tv->tv_usec * 1000;
1050	}
1051
1052	/* Flags for 'flags' field */
1053	/* Buffer is mapped (flag) */
1054	#define V4L2_BUF_FLAG_MAPPED 0x00000001
1055	/* Buffer is queued for processing */
1056	#define V4L2_BUF_FLAG_QUEUED 0x00000002
1057	/* Buffer is ready */
1058	#define V4L2_BUF_FLAG_DONE 0x00000004
1059	/* Image is a keyframe (I-frame) */
1060	#define V4L2_BUF_FLAG_KEYFRAME 0x00000008
1061	/* Image is a P-frame */
1062	#define V4L2_BUF_FLAG_PFRAME 0x00000010
1063	/* Image is a B-frame */
1064	#define V4L2_BUF_FLAG_BFRAME 0x00000020
1065	/* Buffer is ready, but the data contained within is corrupted. */
1066	#define V4L2_BUF_FLAG_ERROR 0x00000040
1067	/* Buffer is added to an unqueued request */
1068	#define V4L2_BUF_FLAG_IN_REQUEST 0x00000080
1069	/* timecode field is valid */
1070	#define V4L2_BUF_FLAG_TIMECODE 0x00000100
1071	/* Don't return the capture buffer until OUTPUT timestamp changes */
1072	#define V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF 0x00000200
1073	/* Buffer is prepared for queuing */
1074	#define V4L2_BUF_FLAG_PREPARED 0x00000400
1075	/* Cache handling flags */
1076	#define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x00000800
1077	#define V4L2_BUF_FLAG_NO_CACHE_CLEAN 0x00001000
1078	/* Timestamp type */
1079	#define V4L2_BUF_FLAG_TIMESTAMP_MASK 0x0000e000
1080	#define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN 0x00000000
1081	#define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x00002000
1082	#define V4L2_BUF_FLAG_TIMESTAMP_COPY 0x00004000
1083	/* Timestamp sources. */
1084	#define V4L2_BUF_FLAG_TSTAMP_SRC_MASK 0x00070000
1085	#define V4L2_BUF_FLAG_TSTAMP_SRC_EOF 0x00000000
1086	#define V4L2_BUF_FLAG_TSTAMP_SRC_SOE 0x00010000
1087	/* mem2mem encoder/decoder */
1088	#define V4L2_BUF_FLAG_LAST 0x00100000
1089	/* request_fd is valid */
1090	#define V4L2_BUF_FLAG_REQUEST_FD 0x00800000
1091
1092	/**
1093	* struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
1094	*
1095	* @index: id number of the buffer
1096	* @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
1097	* multiplanar buffers);
1098	* @plane: index of the plane to be exported, 0 for single plane queues
1099	* @flags: flags for newly created file, currently only O_CLOEXEC is
1100	* supported, refer to manual of open syscall for more details
1101	* @fd: file descriptor associated with DMABUF (set by driver)
1102	* @reserved: drivers and applications must zero this array
1103	*
1104	* Contains data used for exporting a video buffer as DMABUF file descriptor.
1105	* The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
1106	* (identical to the cookie used to mmap() the buffer to userspace). All
1107	* reserved fields must be set to zero. The field reserved0 is expected to
1108	* become a structure 'type' allowing an alternative layout of the structure
1109	* content. Therefore this field should not be used for any other extensions.
1110	*/
1111	struct v4l2_exportbuffer {
1112	__u32 type; /* enum v4l2_buf_type */
1113	__u32 index;
1114	__u32 plane;
1115	__u32 flags;
1116	__s32 fd;
1117	__u32 reserved[11];
1118	};
1119
1120	/*
1121	* O V E R L A Y P R E V I E W
1122	*/
1123	struct v4l2_framebuffer {
1124	__u32 capability;
1125	__u32 flags;
1126	/* FIXME: in theory we should pass something like PCI device + memory
1127	* region + offset instead of some physical address */
1128	void *base;
1129	struct {
1130	__u32 width;
1131	__u32 height;
1132	__u32 pixelformat;
1133	__u32 field; /* enum v4l2_field */
1134	__u32 bytesperline; /* for padding, zero if unused */
1135	__u32 sizeimage;
1136	__u32 colorspace; /* enum v4l2_colorspace */
1137	__u32 priv; /* reserved field, set to 0 */
1138	} fmt;
1139	};
1140	/* Flags for the 'capability' field. Read only */
1141	#define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
1142	#define V4L2_FBUF_CAP_CHROMAKEY 0x0002
1143	#define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004
1144	#define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008
1145	#define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010
1146	#define V4L2_FBUF_CAP_GLOBAL_ALPHA 0x0020
1147	#define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040
1148	#define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080
1149	/* Flags for the 'flags' field. */
1150	#define V4L2_FBUF_FLAG_PRIMARY 0x0001
1151	#define V4L2_FBUF_FLAG_OVERLAY 0x0002
1152	#define V4L2_FBUF_FLAG_CHROMAKEY 0x0004
1153	#define V4L2_FBUF_FLAG_LOCAL_ALPHA 0x0008
1154	#define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010
1155	#define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA 0x0020
1156	#define V4L2_FBUF_FLAG_SRC_CHROMAKEY 0x0040
1157
1158	struct v4l2_clip {
1159	struct v4l2_rect c;
1160	struct v4l2_clip *next;
1161	};
1162
1163	struct v4l2_window {
1164	struct v4l2_rect w;
1165	__u32 field; /* enum v4l2_field */
1166	__u32 chromakey;
1167	struct v4l2_clip *clips;
1168	__u32 clipcount;
1169	void *bitmap;
1170	__u8 global_alpha;
1171	};
1172
1173	/*
1174	* C A P T U R E P A R A M E T E R S
1175	*/
1176	struct v4l2_captureparm {
1177	__u32 capability; /* Supported modes */
1178	__u32 capturemode; /* Current mode */
1179	struct v4l2_fract timeperframe; /* Time per frame in seconds */
1180	__u32 extendedmode; /* Driver-specific extensions */
1181	__u32 readbuffers; /* # of buffers for read */
1182	__u32 reserved[4];
1183	};
1184
1185	/* Flags for 'capability' and 'capturemode' fields */
1186	#define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */
1187	#define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */
1188
1189	struct v4l2_outputparm {
1190	__u32 capability; /* Supported modes */
1191	__u32 outputmode; /* Current mode */
1192	struct v4l2_fract timeperframe; /* Time per frame in seconds */
1193	__u32 extendedmode; /* Driver-specific extensions */
1194	__u32 writebuffers; /* # of buffers for write */
1195	__u32 reserved[4];
1196	};
1197
1198	/*
1199	* I N P U T I M A G E C R O P P I N G
1200	*/
1201	struct v4l2_cropcap {
1202	__u32 type; /* enum v4l2_buf_type */
1203	struct v4l2_rect bounds;
1204	struct v4l2_rect defrect;
1205	struct v4l2_fract pixelaspect;
1206	};
1207
1208	struct v4l2_crop {
1209	__u32 type; /* enum v4l2_buf_type */
1210	struct v4l2_rect c;
1211	};
1212
1213	/**
1214	* struct v4l2_selection - selection info
1215	* @type: buffer type (do not use *_MPLANE types)
1216	* @target: Selection target, used to choose one of possible rectangles;
1217	* defined in v4l2-common.h; V4L2_SEL_TGT_* .
1218	* @flags: constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
1219	* @r: coordinates of selection window
1220	* @reserved: for future use, rounds structure size to 64 bytes, set to zero
1221	*
1222	* Hardware may use multiple helper windows to process a video stream.
1223	* The structure is used to exchange this selection areas between
1224	* an application and a driver.
1225	*/
1226	struct v4l2_selection {
1227	__u32 type;
1228	__u32 target;
1229	__u32 flags;
1230	struct v4l2_rect r;
1231	__u32 reserved[9];
1232	};
1233
1234
1235	/*
1236	* A N A L O G V I D E O S T A N D A R D
1237	*/
1238
1239	typedef __u64 v4l2_std_id;
1240
1241	/*
1242	* Attention: Keep the V4L2_STD_* bit definitions in sync with
1243	* include/dt-bindings/display/sdtv-standards.h SDTV_STD_* bit definitions.
1244	*/
1245	/* one bit for each */
1246	#define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001)
1247	#define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002)
1248	#define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004)
1249	#define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008)
1250	#define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010)
1251	#define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020)
1252	#define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040)
1253	#define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080)
1254
1255	#define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100)
1256	#define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200)
1257	#define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
1258	#define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
1259
1260	#define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000) /* BTSC */
1261	#define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000) /* EIA-J */
1262	#define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000)
1263	#define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000) /* FM A2 */
1264
1265	#define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
1266	#define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
1267	#define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000)
1268	#define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000)
1269	#define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
1270	#define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
1271	#define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
1272	#define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000)
1273
1274	/* ATSC/HDTV */
1275	#define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
1276	#define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000)
1277
1278	/* FIXME:
1279	Although std_id is 64 bits, there is an issue on PPC32 architecture that
1280	makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
1281	this value to 32 bits.
1282	As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
1283	it should work fine. However, if needed to add more than two standards,
1284	v4l2-common.c should be fixed.
1285	*/
1286
1287	/*
1288	* Some macros to merge video standards in order to make live easier for the
1289	* drivers and V4L2 applications
1290	*/
1291
1292	/*
1293	* "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
1294	* Missing here.
1295	*/
1296	#define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\
1297	V4L2_STD_NTSC_M_JP |\
1298	V4L2_STD_NTSC_M_KR)
1299	/* Secam macros */
1300	#define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\
1301	V4L2_STD_SECAM_K |\
1302	V4L2_STD_SECAM_K1)
1303	/* All Secam Standards */
1304	#define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\
1305	V4L2_STD_SECAM_G |\
1306	V4L2_STD_SECAM_H |\
1307	V4L2_STD_SECAM_DK |\
1308	V4L2_STD_SECAM_L |\
1309	V4L2_STD_SECAM_LC)
1310	/* PAL macros */
1311	#define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\
1312	V4L2_STD_PAL_B1 |\
1313	V4L2_STD_PAL_G)
1314	#define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\
1315	V4L2_STD_PAL_D1 |\
1316	V4L2_STD_PAL_K)
1317	/*
1318	* "Common" PAL - This macro is there to be compatible with the old
1319	* V4L1 concept of "PAL": /BGDKHI.
1320	* Several PAL standards are missing here: /M, /N and /Nc
1321	*/
1322	#define V4L2_STD_PAL (V4L2_STD_PAL_BG |\
1323	V4L2_STD_PAL_DK |\
1324	V4L2_STD_PAL_H |\
1325	V4L2_STD_PAL_I)
1326	/* Chroma "agnostic" standards */
1327	#define V4L2_STD_B (V4L2_STD_PAL_B |\
1328	V4L2_STD_PAL_B1 |\
1329	V4L2_STD_SECAM_B)
1330	#define V4L2_STD_G (V4L2_STD_PAL_G |\
1331	V4L2_STD_SECAM_G)
1332	#define V4L2_STD_H (V4L2_STD_PAL_H |\
1333	V4L2_STD_SECAM_H)
1334	#define V4L2_STD_L (V4L2_STD_SECAM_L |\
1335	V4L2_STD_SECAM_LC)
1336	#define V4L2_STD_GH (V4L2_STD_G |\
1337	V4L2_STD_H)
1338	#define V4L2_STD_DK (V4L2_STD_PAL_DK |\
1339	V4L2_STD_SECAM_DK)
1340	#define V4L2_STD_BG (V4L2_STD_B |\
1341	V4L2_STD_G)
1342	#define V4L2_STD_MN (V4L2_STD_PAL_M |\
1343	V4L2_STD_PAL_N |\
1344	V4L2_STD_PAL_Nc |\
1345	V4L2_STD_NTSC)
1346
1347	/* Standards where MTS/BTSC stereo could be found */
1348	#define V4L2_STD_MTS (V4L2_STD_NTSC_M |\
1349	V4L2_STD_PAL_M |\
1350	V4L2_STD_PAL_N |\
1351	V4L2_STD_PAL_Nc)
1352
1353	/* Standards for Countries with 60Hz Line frequency */
1354	#define V4L2_STD_525_60 (V4L2_STD_PAL_M |\
1355	V4L2_STD_PAL_60 |\
1356	V4L2_STD_NTSC |\
1357	V4L2_STD_NTSC_443)
1358	/* Standards for Countries with 50Hz Line frequency */
1359	#define V4L2_STD_625_50 (V4L2_STD_PAL |\
1360	V4L2_STD_PAL_N |\
1361	V4L2_STD_PAL_Nc |\
1362	V4L2_STD_SECAM)
1363
1364	#define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\
1365	V4L2_STD_ATSC_16_VSB)
1366	/* Macros with none and all analog standards */
1367	#define V4L2_STD_UNKNOWN 0
1368	#define V4L2_STD_ALL (V4L2_STD_525_60 |\
1369	V4L2_STD_625_50)
1370
1371	struct v4l2_standard {
1372	__u32 index;
1373	v4l2_std_id id;
1374	__u8 name[24];
1375	struct v4l2_fract frameperiod; /* Frames, not fields */
1376	__u32 framelines;
1377	__u32 reserved[4];
1378	};
1379
1380	/*
1381	* D V B T T I M I N G S
1382	*/
1383
1384	/** struct v4l2_bt_timings - BT.656/BT.1120 timing data
1385	* @width: total width of the active video in pixels
1386	* @height: total height of the active video in lines
1387	* @interlaced: Interlaced or progressive
1388	* @polarities: Positive or negative polarities
1389	* @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1390	* @hfrontporch:Horizontal front porch in pixels
1391	* @hsync: Horizontal Sync length in pixels
1392	* @hbackporch: Horizontal back porch in pixels
1393	* @vfrontporch:Vertical front porch in lines
1394	* @vsync: Vertical Sync length in lines
1395	* @vbackporch: Vertical back porch in lines
1396	* @il_vfrontporch:Vertical front porch for the even field
1397	* (aka field 2) of interlaced field formats
1398	* @il_vsync: Vertical Sync length for the even field
1399	* (aka field 2) of interlaced field formats
1400	* @il_vbackporch:Vertical back porch for the even field
1401	* (aka field 2) of interlaced field formats
1402	* @standards: Standards the timing belongs to
1403	* @flags: Flags
1404	* @picture_aspect: The picture aspect ratio (hor/vert).
1405	* @cea861_vic: VIC code as per the CEA-861 standard.
1406	* @hdmi_vic: VIC code as per the HDMI standard.
1407	* @reserved: Reserved fields, must be zeroed.
1408	*
1409	* A note regarding vertical interlaced timings: height refers to the total
1410	* height of the active video frame (= two fields). The blanking timings refer
1411	* to the blanking of each field. So the height of the total frame is
1412	* calculated as follows:
1413	*
1414	* tot_height = height + vfrontporch + vsync + vbackporch +
1415	* il_vfrontporch + il_vsync + il_vbackporch
1416	*
1417	* The active height of each field is height / 2.
1418	*/
1419	struct v4l2_bt_timings {
1420	__u32 width;
1421	__u32 height;
1422	__u32 interlaced;
1423	__u32 polarities;
1424	__u64 pixelclock;
1425	__u32 hfrontporch;
1426	__u32 hsync;
1427	__u32 hbackporch;
1428	__u32 vfrontporch;
1429	__u32 vsync;
1430	__u32 vbackporch;
1431	__u32 il_vfrontporch;
1432	__u32 il_vsync;
1433	__u32 il_vbackporch;
1434	__u32 standards;
1435	__u32 flags;
1436	struct v4l2_fract picture_aspect;
1437	__u8 cea861_vic;
1438	__u8 hdmi_vic;
1439	__u8 reserved[46];
1440	} __attribute__ ((packed));
1441
1442	/* Interlaced or progressive format */
1443	#define V4L2_DV_PROGRESSIVE 0
1444	#define V4L2_DV_INTERLACED 1
1445
1446	/* Polarities. If bit is not set, it is assumed to be negative polarity */
1447	#define V4L2_DV_VSYNC_POS_POL 0x00000001
1448	#define V4L2_DV_HSYNC_POS_POL 0x00000002
1449
1450	/* Timings standards */
1451	#define V4L2_DV_BT_STD_CEA861 (1 << 0) /* CEA-861 Digital TV Profile */
1452	#define V4L2_DV_BT_STD_DMT (1 << 1) /* VESA Discrete Monitor Timings */
1453	#define V4L2_DV_BT_STD_CVT (1 << 2) /* VESA Coordinated Video Timings */
1454	#define V4L2_DV_BT_STD_GTF (1 << 3) /* VESA Generalized Timings Formula */
1455	#define V4L2_DV_BT_STD_SDI (1 << 4) /* SDI Timings */
1456
1457	/* Flags */
1458
1459	/*
1460	* CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
1461	* GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
1462	* intervals are reduced, allowing a higher resolution over the same
1463	* bandwidth. This is a read-only flag.
1464	*/
1465	#define V4L2_DV_FL_REDUCED_BLANKING (1 << 0)
1466	/*
1467	* CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
1468	* of six. These formats can be optionally played at 1 / 1.001 speed.
1469	* This is a read-only flag.
1470	*/
1471	#define V4L2_DV_FL_CAN_REDUCE_FPS (1 << 1)
1472	/*
1473	* CEA-861 specific: only valid for video transmitters, the flag is cleared
1474	* by receivers.
1475	* If the framerate of the format is a multiple of six, then the pixelclock
1476	* used to set up the transmitter is divided by 1.001 to make it compatible
1477	* with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
1478	* 29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
1479	* such frequencies, then the flag will also be cleared.
1480	*/
1481	#define V4L2_DV_FL_REDUCED_FPS (1 << 2)
1482	/*
1483	* Specific to interlaced formats: if set, then field 1 is really one half-line
1484	* longer and field 2 is really one half-line shorter, so each field has
1485	* exactly the same number of half-lines. Whether half-lines can be detected
1486	* or used depends on the hardware.
1487	*/
1488	#define V4L2_DV_FL_HALF_LINE (1 << 3)
1489	/*
1490	* If set, then this is a Consumer Electronics (CE) video format. Such formats
1491	* differ from other formats (commonly called IT formats) in that if RGB
1492	* encoding is used then by default the RGB values use limited range (i.e.
1493	* use the range 16-235) as opposed to 0-255. All formats defined in CEA-861
1494	* except for the 640x480 format are CE formats.
1495	*/
1496	#define V4L2_DV_FL_IS_CE_VIDEO (1 << 4)
1497	/* Some formats like SMPTE-125M have an interlaced signal with a odd
1498	* total height. For these formats, if this flag is set, the first
1499	* field has the extra line. If not, it is the second field.
1500	*/
1501	#define V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE (1 << 5)
1502	/*
1503	* If set, then the picture_aspect field is valid. Otherwise assume that the
1504	* pixels are square, so the picture aspect ratio is the same as the width to
1505	* height ratio.
1506	*/
1507	#define V4L2_DV_FL_HAS_PICTURE_ASPECT (1 << 6)
1508	/*
1509	* If set, then the cea861_vic field is valid and contains the Video
1510	* Identification Code as per the CEA-861 standard.
1511	*/
1512	#define V4L2_DV_FL_HAS_CEA861_VIC (1 << 7)
1513	/*
1514	* If set, then the hdmi_vic field is valid and contains the Video
1515	* Identification Code as per the HDMI standard (HDMI Vendor Specific
1516	* InfoFrame).
1517	*/
1518	#define V4L2_DV_FL_HAS_HDMI_VIC (1 << 8)
1519	/*
1520	* CEA-861 specific: only valid for video receivers.
1521	* If set, then HW can detect the difference between regular FPS and
1522	* 1000/1001 FPS. Note: This flag is only valid for HDMI VIC codes with
1523	* the V4L2_DV_FL_CAN_REDUCE_FPS flag set.
1524	*/
1525	#define V4L2_DV_FL_CAN_DETECT_REDUCED_FPS (1 << 9)
1526
1527	/* A few useful defines to calculate the total blanking and frame sizes */
1528	#define V4L2_DV_BT_BLANKING_WIDTH(bt) \
1529	((bt)->hfrontporch + (bt)->hsync + (bt)->hbackporch)
1530	#define V4L2_DV_BT_FRAME_WIDTH(bt) \
1531	((bt)->width + V4L2_DV_BT_BLANKING_WIDTH(bt))
1532	#define V4L2_DV_BT_BLANKING_HEIGHT(bt) \
1533	((bt)->vfrontporch + (bt)->vsync + (bt)->vbackporch + \
1534	((bt)->interlaced ? \
1535	((bt)->il_vfrontporch + (bt)->il_vsync + (bt)->il_vbackporch) : 0))
1536	#define V4L2_DV_BT_FRAME_HEIGHT(bt) \
1537	((bt)->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))
1538
1539	/** struct v4l2_dv_timings - DV timings
1540	* @type: the type of the timings
1541	* @bt: BT656/1120 timings
1542	*/
1543	struct v4l2_dv_timings {
1544	__u32 type;
1545	union {
1546	struct v4l2_bt_timings bt;
1547	__u32 reserved[32];
1548	};
1549	} __attribute__ ((packed));
1550
1551	/* Values for the type field */
1552	#define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */
1553
1554
1555	/** struct v4l2_enum_dv_timings - DV timings enumeration
1556	* @index: enumeration index
1557	* @pad: the pad number for which to enumerate timings (used with
1558	* v4l-subdev nodes only)
1559	* @reserved: must be zeroed
1560	* @timings: the timings for the given index
1561	*/
1562	struct v4l2_enum_dv_timings {
1563	__u32 index;
1564	__u32 pad;
1565	__u32 reserved[2];
1566	struct v4l2_dv_timings timings;
1567	};
1568
1569	/** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
1570	* @min_width: width in pixels
1571	* @max_width: width in pixels
1572	* @min_height: height in lines
1573	* @max_height: height in lines
1574	* @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1575	* @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
1576	* @standards: Supported standards
1577	* @capabilities: Supported capabilities
1578	* @reserved: Must be zeroed
1579	*/
1580	struct v4l2_bt_timings_cap {
1581	__u32 min_width;
1582	__u32 max_width;
1583	__u32 min_height;
1584	__u32 max_height;
1585	__u64 min_pixelclock;
1586	__u64 max_pixelclock;
1587	__u32 standards;
1588	__u32 capabilities;
1589	__u32 reserved[16];
1590	} __attribute__ ((packed));
1591
1592	/* Supports interlaced formats */
1593	#define V4L2_DV_BT_CAP_INTERLACED (1 << 0)
1594	/* Supports progressive formats */
1595	#define V4L2_DV_BT_CAP_PROGRESSIVE (1 << 1)
1596	/* Supports CVT/GTF reduced blanking */
1597	#define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2)
1598	/* Supports custom formats */
1599	#define V4L2_DV_BT_CAP_CUSTOM (1 << 3)
1600
1601	/** struct v4l2_dv_timings_cap - DV timings capabilities
1602	* @type: the type of the timings (same as in struct v4l2_dv_timings)
1603	* @pad: the pad number for which to query capabilities (used with
1604	* v4l-subdev nodes only)
1605	* @bt: the BT656/1120 timings capabilities
1606	*/
1607	struct v4l2_dv_timings_cap {
1608	__u32 type;
1609	__u32 pad;
1610	__u32 reserved[2];
1611	union {
1612	struct v4l2_bt_timings_cap bt;
1613	__u32 raw_data[32];
1614	};
1615	};
1616
1617
1618	/*
1619	* V I D E O I N P U T S
1620	*/
1621	struct v4l2_input {
1622	__u32 index; /* Which input */
1623	__u8 name[32]; /* Label */
1624	__u32 type; /* Type of input */
1625	__u32 audioset; /* Associated audios (bitfield) */
1626	__u32 tuner; /* Tuner index */
1627	v4l2_std_id std;
1628	__u32 status;
1629	__u32 capabilities;
1630	__u32 reserved[3];
1631	};
1632
1633	/* Values for the 'type' field */
1634	#define V4L2_INPUT_TYPE_TUNER 1
1635	#define V4L2_INPUT_TYPE_CAMERA 2
1636	#define V4L2_INPUT_TYPE_TOUCH 3
1637
1638	/* field 'status' - general */
1639	#define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */
1640	#define V4L2_IN_ST_NO_SIGNAL 0x00000002
1641	#define V4L2_IN_ST_NO_COLOR 0x00000004
1642
1643	/* field 'status' - sensor orientation */
1644	/* If sensor is mounted upside down set both bits */
1645	#define V4L2_IN_ST_HFLIP 0x00000010 /* Frames are flipped horizontally */
1646	#define V4L2_IN_ST_VFLIP 0x00000020 /* Frames are flipped vertically */
1647
1648	/* field 'status' - analog */
1649	#define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
1650	#define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
1651	#define V4L2_IN_ST_NO_V_LOCK 0x00000400 /* No vertical sync lock */
1652	#define V4L2_IN_ST_NO_STD_LOCK 0x00000800 /* No standard format lock */
1653
1654	/* field 'status' - digital */
1655	#define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */
1656	#define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */
1657	#define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */
1658
1659	/* field 'status' - VCR and set-top box */
1660	#define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */
1661	#define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */
1662	#define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */
1663
1664	/* capabilities flags */
1665	#define V4L2_IN_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1666	#define V4L2_IN_CAP_CUSTOM_TIMINGS V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
1667	#define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */
1668	#define V4L2_IN_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1669
1670	/*
1671	* V I D E O O U T P U T S
1672	*/
1673	struct v4l2_output {
1674	__u32 index; /* Which output */
1675	__u8 name[32]; /* Label */
1676	__u32 type; /* Type of output */
1677	__u32 audioset; /* Associated audios (bitfield) */
1678	__u32 modulator; /* Associated modulator */
1679	v4l2_std_id std;
1680	__u32 capabilities;
1681	__u32 reserved[3];
1682	};
1683	/* Values for the 'type' field */
1684	#define V4L2_OUTPUT_TYPE_MODULATOR 1
1685	#define V4L2_OUTPUT_TYPE_ANALOG 2
1686	#define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3
1687
1688	/* capabilities flags */
1689	#define V4L2_OUT_CAP_DV_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */
1690	#define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
1691	#define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */
1692	#define V4L2_OUT_CAP_NATIVE_SIZE 0x00000008 /* Supports setting native size */
1693
1694	/*
1695	* C O N T R O L S
1696	*/
1697	struct v4l2_control {
1698	__u32 id;
1699	__s32 value;
1700	};
1701
1702	struct v4l2_ext_control {
1703	__u32 id;
1704	__u32 size;
1705	__u32 reserved2[1];
1706	union {
1707	__s32 value;
1708	__s64 value64;
1709	char *string;
1710	__u8 *p_u8;
1711	__u16 *p_u16;
1712	__u32 *p_u32;
1713	struct v4l2_area *p_area;
1714	struct v4l2_ctrl_h264_sps *p_h264_sps;
1715	struct v4l2_ctrl_h264_pps *p_h264_pps;
1716	struct v4l2_ctrl_h264_scaling_matrix *p_h264_scaling_matrix;
1717	struct v4l2_ctrl_h264_pred_weights *p_h264_pred_weights;
1718	struct v4l2_ctrl_h264_slice_params *p_h264_slice_params;
1719	struct v4l2_ctrl_h264_decode_params *p_h264_decode_params;
1720	struct v4l2_ctrl_fwht_params *p_fwht_params;
1721	struct v4l2_ctrl_vp8_frame *p_vp8_frame;
1722	struct v4l2_ctrl_mpeg2_sequence *p_mpeg2_sequence;
1723	struct v4l2_ctrl_mpeg2_picture *p_mpeg2_picture;
1724	struct v4l2_ctrl_mpeg2_quantisation *p_mpeg2_quantisation;
1725	void *ptr;
1726	};
1727	} __attribute__ ((packed));
1728
1729	struct v4l2_ext_controls {
1730	union {
1731	__u32 ctrl_class;
1732	__u32 which;
1733	};
1734	__u32 count;
1735	__u32 error_idx;
1736	__s32 request_fd;
1737	__u32 reserved[1];
1738	struct v4l2_ext_control *controls;
1739	};
1740
1741	#define V4L2_CTRL_ID_MASK (0x0fffffff)
1742	#define V4L2_CTRL_ID2CLASS(id) ((id) & 0x0fff0000UL)
1743	#define V4L2_CTRL_ID2WHICH(id) ((id) & 0x0fff0000UL)
1744	#define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
1745	#define V4L2_CTRL_MAX_DIMS (4)
1746	#define V4L2_CTRL_WHICH_CUR_VAL 0
1747	#define V4L2_CTRL_WHICH_DEF_VAL 0x0f000000
1748	#define V4L2_CTRL_WHICH_REQUEST_VAL 0x0f010000
1749
1750	enum v4l2_ctrl_type {
1751	V4L2_CTRL_TYPE_INTEGER = 1,
1752	V4L2_CTRL_TYPE_BOOLEAN = 2,
1753	V4L2_CTRL_TYPE_MENU = 3,
1754	V4L2_CTRL_TYPE_BUTTON = 4,
1755	V4L2_CTRL_TYPE_INTEGER64 = 5,
1756	V4L2_CTRL_TYPE_CTRL_CLASS = 6,
1757	V4L2_CTRL_TYPE_STRING = 7,
1758	V4L2_CTRL_TYPE_BITMASK = 8,
1759	V4L2_CTRL_TYPE_INTEGER_MENU = 9,
1760
1761	/* Compound types are >= 0x0100 */
1762	V4L2_CTRL_COMPOUND_TYPES = 0x0100,
1763	V4L2_CTRL_TYPE_U8 = 0x0100,
1764	V4L2_CTRL_TYPE_U16 = 0x0101,
1765	V4L2_CTRL_TYPE_U32 = 0x0102,
1766	V4L2_CTRL_TYPE_AREA = 0x0106,
1767
1768	V4L2_CTRL_TYPE_HDR10_CLL_INFO = 0x0110,
1769	V4L2_CTRL_TYPE_HDR10_MASTERING_DISPLAY = 0x0111,
1770
1771	V4L2_CTRL_TYPE_H264_SPS = 0x0200,
1772	V4L2_CTRL_TYPE_H264_PPS = 0x0201,
1773	V4L2_CTRL_TYPE_H264_SCALING_MATRIX = 0x0202,
1774	V4L2_CTRL_TYPE_H264_SLICE_PARAMS = 0x0203,
1775	V4L2_CTRL_TYPE_H264_DECODE_PARAMS = 0x0204,
1776	V4L2_CTRL_TYPE_H264_PRED_WEIGHTS = 0x0205,
1777
1778	V4L2_CTRL_TYPE_FWHT_PARAMS = 0x0220,
1779
1780	V4L2_CTRL_TYPE_VP8_FRAME = 0x0240,
1781
1782	V4L2_CTRL_TYPE_MPEG2_QUANTISATION = 0x0250,
1783	V4L2_CTRL_TYPE_MPEG2_SEQUENCE = 0x0251,
1784	V4L2_CTRL_TYPE_MPEG2_PICTURE = 0x0252,
1785	};
1786
1787	/* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
1788	struct v4l2_queryctrl {
1789	__u32 id;
1790	__u32 type; /* enum v4l2_ctrl_type */
1791	__u8 name[32]; /* Whatever */
1792	__s32 minimum; /* Note signedness */
1793	__s32 maximum;
1794	__s32 step;
1795	__s32 default_value;
1796	__u32 flags;
1797	__u32 reserved[2];
1798	};
1799
1800	/* Used in the VIDIOC_QUERY_EXT_CTRL ioctl for querying extended controls */
1801	struct v4l2_query_ext_ctrl {
1802	__u32 id;
1803	__u32 type;
1804	char name[32];
1805	__s64 minimum;
1806	__s64 maximum;
1807	__u64 step;
1808	__s64 default_value;
1809	__u32 flags;
1810	__u32 elem_size;
1811	__u32 elems;
1812	__u32 nr_of_dims;
1813	__u32 dims[V4L2_CTRL_MAX_DIMS];
1814	__u32 reserved[32];
1815	};
1816
1817	/* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
1818	struct v4l2_querymenu {
1819	__u32 id;
1820	__u32 index;
1821	union {
1822	__u8 name[32]; /* Whatever */
1823	__s64 value;
1824	};
1825	__u32 reserved;
1826	} __attribute__ ((packed));
1827
1828	/* Control flags */
1829	#define V4L2_CTRL_FLAG_DISABLED 0x0001
1830	#define V4L2_CTRL_FLAG_GRABBED 0x0002
1831	#define V4L2_CTRL_FLAG_READ_ONLY 0x0004
1832	#define V4L2_CTRL_FLAG_UPDATE 0x0008
1833	#define V4L2_CTRL_FLAG_INACTIVE 0x0010
1834	#define V4L2_CTRL_FLAG_SLIDER 0x0020
1835	#define V4L2_CTRL_FLAG_WRITE_ONLY 0x0040
1836	#define V4L2_CTRL_FLAG_VOLATILE 0x0080
1837	#define V4L2_CTRL_FLAG_HAS_PAYLOAD 0x0100
1838	#define V4L2_CTRL_FLAG_EXECUTE_ON_WRITE 0x0200
1839	#define V4L2_CTRL_FLAG_MODIFY_LAYOUT 0x0400
1840
1841	/* Query flags, to be ORed with the control ID */
1842	#define V4L2_CTRL_FLAG_NEXT_CTRL 0x80000000
1843	#define V4L2_CTRL_FLAG_NEXT_COMPOUND 0x40000000
1844
1845	/* User-class control IDs defined by V4L2 */
1846	#define V4L2_CID_MAX_CTRLS 1024
1847	/* IDs reserved for driver specific controls */
1848	#define V4L2_CID_PRIVATE_BASE 0x08000000
1849
1850
1851	/*
1852	* T U N I N G
1853	*/
1854	struct v4l2_tuner {
1855	__u32 index;
1856	__u8 name[32];
1857	__u32 type; /* enum v4l2_tuner_type */
1858	__u32 capability;
1859	__u32 rangelow;
1860	__u32 rangehigh;
1861	__u32 rxsubchans;
1862	__u32 audmode;
1863	__s32 signal;
1864	__s32 afc;
1865	__u32 reserved[4];
1866	};
1867
1868	struct v4l2_modulator {
1869	__u32 index;
1870	__u8 name[32];
1871	__u32 capability;
1872	__u32 rangelow;
1873	__u32 rangehigh;
1874	__u32 txsubchans;
1875	__u32 type; /* enum v4l2_tuner_type */
1876	__u32 reserved[3];
1877	};
1878
1879	/* Flags for the 'capability' field */
1880	#define V4L2_TUNER_CAP_LOW 0x0001
1881	#define V4L2_TUNER_CAP_NORM 0x0002
1882	#define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004
1883	#define V4L2_TUNER_CAP_HWSEEK_WRAP 0x0008
1884	#define V4L2_TUNER_CAP_STEREO 0x0010
1885	#define V4L2_TUNER_CAP_LANG2 0x0020
1886	#define V4L2_TUNER_CAP_SAP 0x0020
1887	#define V4L2_TUNER_CAP_LANG1 0x0040
1888	#define V4L2_TUNER_CAP_RDS 0x0080
1889	#define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100
1890	#define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200
1891	#define V4L2_TUNER_CAP_FREQ_BANDS 0x0400
1892	#define V4L2_TUNER_CAP_HWSEEK_PROG_LIM 0x0800
1893	#define V4L2_TUNER_CAP_1HZ 0x1000
1894
1895	/* Flags for the 'rxsubchans' field */
1896	#define V4L2_TUNER_SUB_MONO 0x0001
1897	#define V4L2_TUNER_SUB_STEREO 0x0002
1898	#define V4L2_TUNER_SUB_LANG2 0x0004
1899	#define V4L2_TUNER_SUB_SAP 0x0004
1900	#define V4L2_TUNER_SUB_LANG1 0x0008
1901	#define V4L2_TUNER_SUB_RDS 0x0010
1902
1903	/* Values for the 'audmode' field */
1904	#define V4L2_TUNER_MODE_MONO 0x0000
1905	#define V4L2_TUNER_MODE_STEREO 0x0001
1906	#define V4L2_TUNER_MODE_LANG2 0x0002
1907	#define V4L2_TUNER_MODE_SAP 0x0002
1908	#define V4L2_TUNER_MODE_LANG1 0x0003
1909	#define V4L2_TUNER_MODE_LANG1_LANG2 0x0004
1910
1911	struct v4l2_frequency {
1912	__u32 tuner;
1913	__u32 type; /* enum v4l2_tuner_type */
1914	__u32 frequency;
1915	__u32 reserved[8];
1916	};
1917
1918	#define V4L2_BAND_MODULATION_VSB (1 << 1)
1919	#define V4L2_BAND_MODULATION_FM (1 << 2)
1920	#define V4L2_BAND_MODULATION_AM (1 << 3)
1921
1922	struct v4l2_frequency_band {
1923	__u32 tuner;
1924	__u32 type; /* enum v4l2_tuner_type */
1925	__u32 index;
1926	__u32 capability;
1927	__u32 rangelow;
1928	__u32 rangehigh;
1929	__u32 modulation;
1930	__u32 reserved[9];
1931	};
1932
1933	struct v4l2_hw_freq_seek {
1934	__u32 tuner;
1935	__u32 type; /* enum v4l2_tuner_type */
1936	__u32 seek_upward;
1937	__u32 wrap_around;
1938	__u32 spacing;
1939	__u32 rangelow;
1940	__u32 rangehigh;
1941	__u32 reserved[5];
1942	};
1943
1944	/*
1945	* R D S
1946	*/
1947
1948	struct v4l2_rds_data {
1949	__u8 lsb;
1950	__u8 msb;
1951	__u8 block;
1952	} __attribute__ ((packed));
1953
1954	#define V4L2_RDS_BLOCK_MSK 0x7
1955	#define V4L2_RDS_BLOCK_A 0
1956	#define V4L2_RDS_BLOCK_B 1
1957	#define V4L2_RDS_BLOCK_C 2
1958	#define V4L2_RDS_BLOCK_D 3
1959	#define V4L2_RDS_BLOCK_C_ALT 4
1960	#define V4L2_RDS_BLOCK_INVALID 7
1961
1962	#define V4L2_RDS_BLOCK_CORRECTED 0x40
1963	#define V4L2_RDS_BLOCK_ERROR 0x80
1964
1965	/*
1966	* A U D I O
1967	*/
1968	struct v4l2_audio {
1969	__u32 index;
1970	__u8 name[32];
1971	__u32 capability;
1972	__u32 mode;
1973	__u32 reserved[2];
1974	};
1975
1976	/* Flags for the 'capability' field */
1977	#define V4L2_AUDCAP_STEREO 0x00001
1978	#define V4L2_AUDCAP_AVL 0x00002
1979
1980	/* Flags for the 'mode' field */
1981	#define V4L2_AUDMODE_AVL 0x00001
1982
1983	struct v4l2_audioout {
1984	__u32 index;
1985	__u8 name[32];
1986	__u32 capability;
1987	__u32 mode;
1988	__u32 reserved[2];
1989	};
1990
1991	/*
1992	* M P E G S E R V I C E S
1993	*/
1994	#if 1
1995	#define V4L2_ENC_IDX_FRAME_I (0)
1996	#define V4L2_ENC_IDX_FRAME_P (1)
1997	#define V4L2_ENC_IDX_FRAME_B (2)
1998	#define V4L2_ENC_IDX_FRAME_MASK (0xf)
1999
2000	struct v4l2_enc_idx_entry {
2001	__u64 offset;
2002	__u64 pts;
2003	__u32 length;
2004	__u32 flags;
2005	__u32 reserved[2];
2006	};
2007
2008	#define V4L2_ENC_IDX_ENTRIES (64)
2009	struct v4l2_enc_idx {
2010	__u32 entries;
2011	__u32 entries_cap;
2012	__u32 reserved[4];
2013	struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
2014	};
2015
2016
2017	#define V4L2_ENC_CMD_START (0)
2018	#define V4L2_ENC_CMD_STOP (1)
2019	#define V4L2_ENC_CMD_PAUSE (2)
2020	#define V4L2_ENC_CMD_RESUME (3)
2021
2022	/* Flags for V4L2_ENC_CMD_STOP */
2023	#define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0)
2024
2025	struct v4l2_encoder_cmd {
2026	__u32 cmd;
2027	__u32 flags;
2028	union {
2029	struct {
2030	__u32 data[8];
2031	} raw;
2032	};
2033	};
2034
2035	/* Decoder commands */
2036	#define V4L2_DEC_CMD_START (0)
2037	#define V4L2_DEC_CMD_STOP (1)
2038	#define V4L2_DEC_CMD_PAUSE (2)
2039	#define V4L2_DEC_CMD_RESUME (3)
2040	#define V4L2_DEC_CMD_FLUSH (4)
2041
2042	/* Flags for V4L2_DEC_CMD_START */
2043	#define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0)
2044
2045	/* Flags for V4L2_DEC_CMD_PAUSE */
2046	#define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0)
2047
2048	/* Flags for V4L2_DEC_CMD_STOP */
2049	#define V4L2_DEC_CMD_STOP_TO_BLACK (1 << 0)
2050	#define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1)
2051
2052	/* Play format requirements (returned by the driver): */
2053
2054	/* The decoder has no special format requirements */
2055	#define V4L2_DEC_START_FMT_NONE (0)
2056	/* The decoder requires full GOPs */
2057	#define V4L2_DEC_START_FMT_GOP (1)
2058
2059	/* The structure must be zeroed before use by the application
2060	This ensures it can be extended safely in the future. */
2061	struct v4l2_decoder_cmd {
2062	__u32 cmd;
2063	__u32 flags;
2064	union {
2065	struct {
2066	__u64 pts;
2067	} stop;
2068
2069	struct {
2070	/* 0 or 1000 specifies normal speed,
2071	1 specifies forward single stepping,
2072	-1 specifies backward single stepping,
2073	>1: playback at speed/1000 of the normal speed,
2074	<-1: reverse playback at (-speed/1000) of the normal speed. */
2075	__s32 speed;
2076	__u32 format;
2077	} start;
2078
2079	struct {
2080	__u32 data[16];
2081	} raw;
2082	};
2083	};
2084	#endif
2085
2086
2087	/*
2088	* D A T A S E R V I C E S ( V B I )
2089	*
2090	* Data services API by Michael Schimek
2091	*/
2092
2093	/* Raw VBI */
2094	struct v4l2_vbi_format {
2095	__u32 sampling_rate; /* in 1 Hz */
2096	__u32 offset;
2097	__u32 samples_per_line;
2098	__u32 sample_format; /* V4L2_PIX_FMT_* */
2099	__s32 start[2];
2100	__u32 count[2];
2101	__u32 flags; /* V4L2_VBI_* */
2102	__u32 reserved[2]; /* must be zero */
2103	};
2104
2105	/* VBI flags */
2106	#define V4L2_VBI_UNSYNC (1 << 0)
2107	#define V4L2_VBI_INTERLACED (1 << 1)
2108
2109	/* ITU-R start lines for each field */
2110	#define V4L2_VBI_ITU_525_F1_START (1)
2111	#define V4L2_VBI_ITU_525_F2_START (264)
2112	#define V4L2_VBI_ITU_625_F1_START (1)
2113	#define V4L2_VBI_ITU_625_F2_START (314)
2114
2115	/* Sliced VBI
2116	*
2117	* This implements is a proposal V4L2 API to allow SLICED VBI
2118	* required for some hardware encoders. It should change without
2119	* notice in the definitive implementation.
2120	*/
2121
2122	struct v4l2_sliced_vbi_format {
2123	__u16 service_set;
2124	/* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2125	service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2126	(equals frame lines 313-336 for 625 line video
2127	standards, 263-286 for 525 line standards) */
2128	__u16 service_lines[2][24];
2129	__u32 io_size;
2130	__u32 reserved[2]; /* must be zero */
2131	};
2132
2133	/* Teletext World System Teletext
2134	(WST), defined on ITU-R BT.653-2 */
2135	#define V4L2_SLICED_TELETEXT_B (0x0001)
2136	/* Video Program System, defined on ETS 300 231*/
2137	#define V4L2_SLICED_VPS (0x0400)
2138	/* Closed Caption, defined on EIA-608 */
2139	#define V4L2_SLICED_CAPTION_525 (0x1000)
2140	/* Wide Screen System, defined on ITU-R BT1119.1 */
2141	#define V4L2_SLICED_WSS_625 (0x4000)
2142
2143	#define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525)
2144	#define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
2145
2146	struct v4l2_sliced_vbi_cap {
2147	__u16 service_set;
2148	/* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
2149	service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
2150	(equals frame lines 313-336 for 625 line video
2151	standards, 263-286 for 525 line standards) */
2152	__u16 service_lines[2][24];
2153	__u32 type; /* enum v4l2_buf_type */
2154	__u32 reserved[3]; /* must be 0 */
2155	};
2156
2157	struct v4l2_sliced_vbi_data {
2158	__u32 id;
2159	__u32 field; /* 0: first field, 1: second field */
2160	__u32 line; /* 1-23 */
2161	__u32 reserved; /* must be 0 */
2162	__u8 data[48];
2163	};
2164
2165	/*
2166	* Sliced VBI data inserted into MPEG Streams
2167	*/
2168
2169	/*
2170	* V4L2_MPEG_STREAM_VBI_FMT_IVTV:
2171	*
2172	* Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
2173	* MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
2174	* data
2175	*
2176	* Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
2177	* definitions are not included here. See the MPEG-2 specifications for details
2178	* on these headers.
2179	*/
2180
2181	/* Line type IDs */
2182	#define V4L2_MPEG_VBI_IVTV_TELETEXT_B (1)
2183	#define V4L2_MPEG_VBI_IVTV_CAPTION_525 (4)
2184	#define V4L2_MPEG_VBI_IVTV_WSS_625 (5)
2185	#define V4L2_MPEG_VBI_IVTV_VPS (7)
2186
2187	struct v4l2_mpeg_vbi_itv0_line {
2188	__u8 id; /* One of V4L2_MPEG_VBI_IVTV_* above */
2189	__u8 data[42]; /* Sliced VBI data for the line */
2190	} __attribute__ ((packed));
2191
2192	struct v4l2_mpeg_vbi_itv0 {
2193	__le32 linemask[2]; /* Bitmasks of VBI service lines present */
2194	struct v4l2_mpeg_vbi_itv0_line line[35];
2195	} __attribute__ ((packed));
2196
2197	struct v4l2_mpeg_vbi_ITV0 {
2198	struct v4l2_mpeg_vbi_itv0_line line[36];
2199	} __attribute__ ((packed));
2200
2201	#define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0"
2202	#define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0"
2203
2204	struct v4l2_mpeg_vbi_fmt_ivtv {
2205	__u8 magic[4];
2206	union {
2207	struct v4l2_mpeg_vbi_itv0 itv0;
2208	struct v4l2_mpeg_vbi_ITV0 ITV0;
2209	};
2210	} __attribute__ ((packed));
2211
2212	/*
2213	* A G G R E G A T E S T R U C T U R E S
2214	*/
2215
2216	/**
2217	* struct v4l2_plane_pix_format - additional, per-plane format definition
2218	* @sizeimage: maximum size in bytes required for data, for which
2219	* this plane will be used
2220	* @bytesperline: distance in bytes between the leftmost pixels in two
2221	* adjacent lines
2222	* @reserved: drivers and applications must zero this array
2223	*/
2224	struct v4l2_plane_pix_format {
2225	__u32 sizeimage;
2226	__u32 bytesperline;
2227	__u16 reserved[6];
2228	} __attribute__ ((packed));
2229
2230	/**
2231	* struct v4l2_pix_format_mplane - multiplanar format definition
2232	* @width: image width in pixels
2233	* @height: image height in pixels
2234	* @pixelformat: little endian four character code (fourcc)
2235	* @field: enum v4l2_field; field order (for interlaced video)
2236	* @colorspace: enum v4l2_colorspace; supplemental to pixelformat
2237	* @plane_fmt: per-plane information
2238	* @num_planes: number of planes for this format
2239	* @flags: format flags (V4L2_PIX_FMT_FLAG_*)
2240	* @ycbcr_enc: enum v4l2_ycbcr_encoding, Y'CbCr encoding
2241	* @hsv_enc: enum v4l2_hsv_encoding, HSV encoding
2242	* @quantization: enum v4l2_quantization, colorspace quantization
2243	* @xfer_func: enum v4l2_xfer_func, colorspace transfer function
2244	* @reserved: drivers and applications must zero this array
2245	*/
2246	struct v4l2_pix_format_mplane {
2247	__u32 width;
2248	__u32 height;
2249	__u32 pixelformat;
2250	__u32 field;
2251	__u32 colorspace;
2252
2253	struct v4l2_plane_pix_format plane_fmt[VIDEO_MAX_PLANES];
2254	__u8 num_planes;
2255	__u8 flags;
2256	union {
2257	__u8 ycbcr_enc;
2258	__u8 hsv_enc;
2259	};
2260	__u8 quantization;
2261	__u8 xfer_func;
2262	__u8 reserved[7];
2263	} __attribute__ ((packed));
2264
2265	/**
2266	* struct v4l2_sdr_format - SDR format definition
2267	* @pixelformat: little endian four character code (fourcc)
2268	* @buffersize: maximum size in bytes required for data
2269	* @reserved: drivers and applications must zero this array
2270	*/
2271	struct v4l2_sdr_format {
2272	__u32 pixelformat;
2273	__u32 buffersize;
2274	__u8 reserved[24];
2275	} __attribute__ ((packed));
2276
2277	/**
2278	* struct v4l2_meta_format - metadata format definition
2279	* @dataformat: little endian four character code (fourcc)
2280	* @buffersize: maximum size in bytes required for data
2281	*/
2282	struct v4l2_meta_format {
2283	__u32 dataformat;
2284	__u32 buffersize;
2285	} __attribute__ ((packed));
2286
2287	/**
2288	* struct v4l2_format - stream data format
2289	* @type: enum v4l2_buf_type; type of the data stream
2290	* @pix: definition of an image format
2291	* @pix_mp: definition of a multiplanar image format
2292	* @win: definition of an overlaid image
2293	* @vbi: raw VBI capture or output parameters
2294	* @sliced: sliced VBI capture or output parameters
2295	* @raw_data: placeholder for future extensions and custom formats
2296	* @fmt: union of @pix, @pix_mp, @win, @vbi, @sliced, @sdr, @meta
2297	* and @raw_data
2298	*/
2299	struct v4l2_format {
2300	__u32 type;
2301	union {
2302	struct v4l2_pix_format pix; /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
2303	struct v4l2_pix_format_mplane pix_mp; /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
2304	struct v4l2_window win; /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
2305	struct v4l2_vbi_format vbi; /* V4L2_BUF_TYPE_VBI_CAPTURE */
2306	struct v4l2_sliced_vbi_format sliced; /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
2307	struct v4l2_sdr_format sdr; /* V4L2_BUF_TYPE_SDR_CAPTURE */
2308	struct v4l2_meta_format meta; /* V4L2_BUF_TYPE_META_CAPTURE */
2309	__u8 raw_data[200]; /* user-defined */
2310	} fmt;
2311	};
2312
2313	/* Stream type-dependent parameters
2314	*/
2315	struct v4l2_streamparm {
2316	__u32 type; /* enum v4l2_buf_type */
2317	union {
2318	struct v4l2_captureparm capture;
2319	struct v4l2_outputparm output;
2320	__u8 raw_data[200]; /* user-defined */
2321	} parm;
2322	};
2323
2324	/*
2325	* E V E N T S
2326	*/
2327
2328	#define V4L2_EVENT_ALL 0
2329	#define V4L2_EVENT_VSYNC 1
2330	#define V4L2_EVENT_EOS 2
2331	#define V4L2_EVENT_CTRL 3
2332	#define V4L2_EVENT_FRAME_SYNC 4
2333	#define V4L2_EVENT_SOURCE_CHANGE 5
2334	#define V4L2_EVENT_MOTION_DET 6
2335	#define V4L2_EVENT_PRIVATE_START 0x08000000
2336
2337	/* Payload for V4L2_EVENT_VSYNC */
2338	struct v4l2_event_vsync {
2339	/* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
2340	__u8 field;
2341	} __attribute__ ((packed));
2342
2343	/* Payload for V4L2_EVENT_CTRL */
2344	#define V4L2_EVENT_CTRL_CH_VALUE (1 << 0)
2345	#define V4L2_EVENT_CTRL_CH_FLAGS (1 << 1)
2346	#define V4L2_EVENT_CTRL_CH_RANGE (1 << 2)
2347
2348	struct v4l2_event_ctrl {
2349	__u32 changes;
2350	__u32 type;
2351	union {
2352	__s32 value;
2353	__s64 value64;
2354	};
2355	__u32 flags;
2356	__s32 minimum;
2357	__s32 maximum;
2358	__s32 step;
2359	__s32 default_value;
2360	};
2361
2362	struct v4l2_event_frame_sync {
2363	__u32 frame_sequence;
2364	};
2365
2366	#define V4L2_EVENT_SRC_CH_RESOLUTION (1 << 0)
2367
2368	struct v4l2_event_src_change {
2369	__u32 changes;
2370	};
2371
2372	#define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0)
2373
2374	/**
2375	* struct v4l2_event_motion_det - motion detection event
2376	* @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
2377	* frame_sequence field is valid.
2378	* @frame_sequence: the frame sequence number associated with this event.
2379	* @region_mask: which regions detected motion.
2380	*/
2381	struct v4l2_event_motion_det {
2382	__u32 flags;
2383	__u32 frame_sequence;
2384	__u32 region_mask;
2385	};
2386
2387	struct v4l2_event {
2388	__u32 type;
2389	union {
2390	struct v4l2_event_vsync vsync;
2391	struct v4l2_event_ctrl ctrl;
2392	struct v4l2_event_frame_sync frame_sync;
2393	struct v4l2_event_src_change src_change;
2394	struct v4l2_event_motion_det motion_det;
2395	__u8 data[64];
2396	} u;
2397	__u32 pending;
2398	__u32 sequence;
2399	struct timespec timestamp;
2400	__u32 id;
2401	__u32 reserved[8];
2402	};
2403
2404	#define V4L2_EVENT_SUB_FL_SEND_INITIAL (1 << 0)
2405	#define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK (1 << 1)
2406
2407	struct v4l2_event_subscription {
2408	__u32 type;
2409	__u32 id;
2410	__u32 flags;
2411	__u32 reserved[5];
2412	};
2413
2414	/*
2415	* A D V A N C E D D E B U G G I N G
2416	*
2417	* NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
2418	* FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
2419	*/
2420
2421	/* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
2422
2423	#define V4L2_CHIP_MATCH_BRIDGE 0 /* Match against chip ID on the bridge (0 for the bridge) */
2424	#define V4L2_CHIP_MATCH_SUBDEV 4 /* Match against subdev index */
2425
2426	/* The following four defines are no longer in use */
2427	#define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
2428	#define V4L2_CHIP_MATCH_I2C_DRIVER 1 /* Match against I2C driver name */
2429	#define V4L2_CHIP_MATCH_I2C_ADDR 2 /* Match against I2C 7-bit address */
2430	#define V4L2_CHIP_MATCH_AC97 3 /* Match against ancillary AC97 chip */
2431
2432	struct v4l2_dbg_match {
2433	__u32 type; /* Match type */
2434	union { /* Match this chip, meaning determined by type */
2435	__u32 addr;
2436	char name[32];
2437	};
2438	} __attribute__ ((packed));
2439
2440	struct v4l2_dbg_register {
2441	struct v4l2_dbg_match match;
2442	__u32 size; /* register size in bytes */
2443	__u64 reg;
2444	__u64 val;
2445	} __attribute__ ((packed));
2446
2447	#define V4L2_CHIP_FL_READABLE (1 << 0)
2448	#define V4L2_CHIP_FL_WRITABLE (1 << 1)
2449
2450	/* VIDIOC_DBG_G_CHIP_INFO */
2451	struct v4l2_dbg_chip_info {
2452	struct v4l2_dbg_match match;
2453	char name[32];
2454	__u32 flags;
2455	__u32 reserved[32];
2456	} __attribute__ ((packed));
2457
2458	/**
2459	* struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
2460	* @index: on return, index of the first created buffer
2461	* @count: entry: number of requested buffers,
2462	* return: number of created buffers
2463	* @memory: enum v4l2_memory; buffer memory type
2464	* @format: frame format, for which buffers are requested
2465	* @capabilities: capabilities of this buffer type.
2466	* @reserved: future extensions
2467	*/
2468	struct v4l2_create_buffers {
2469	__u32 index;
2470	__u32 count;
2471	__u32 memory;
2472	struct v4l2_format format;
2473	__u32 capabilities;
2474	__u32 reserved[7];
2475	};
2476
2477	/*
2478	* 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
2479	*
2480	*/
2481	#define VIDIOC_QUERYCAP _IOR('V', 0, struct v4l2_capability)
2482	#define VIDIOC_ENUM_FMT _IOWR('V', 2, struct v4l2_fmtdesc)
2483	#define VIDIOC_G_FMT _IOWR('V', 4, struct v4l2_format)
2484	#define VIDIOC_S_FMT _IOWR('V', 5, struct v4l2_format)
2485	#define VIDIOC_REQBUFS _IOWR('V', 8, struct v4l2_requestbuffers)
2486	#define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer)
2487	#define VIDIOC_G_FBUF _IOR('V', 10, struct v4l2_framebuffer)
2488	#define VIDIOC_S_FBUF _IOW('V', 11, struct v4l2_framebuffer)
2489	#define VIDIOC_OVERLAY _IOW('V', 14, int)
2490	#define VIDIOC_QBUF _IOWR('V', 15, struct v4l2_buffer)
2491	#define VIDIOC_EXPBUF _IOWR('V', 16, struct v4l2_exportbuffer)
2492	#define VIDIOC_DQBUF _IOWR('V', 17, struct v4l2_buffer)
2493	#define VIDIOC_STREAMON _IOW('V', 18, int)
2494	#define VIDIOC_STREAMOFF _IOW('V', 19, int)
2495	#define VIDIOC_G_PARM _IOWR('V', 21, struct v4l2_streamparm)
2496	#define VIDIOC_S_PARM _IOWR('V', 22, struct v4l2_streamparm)
2497	#define VIDIOC_G_STD _IOR('V', 23, v4l2_std_id)
2498	#define VIDIOC_S_STD _IOW('V', 24, v4l2_std_id)
2499	#define VIDIOC_ENUMSTD _IOWR('V', 25, struct v4l2_standard)
2500	#define VIDIOC_ENUMINPUT _IOWR('V', 26, struct v4l2_input)
2501	#define VIDIOC_G_CTRL _IOWR('V', 27, struct v4l2_control)
2502	#define VIDIOC_S_CTRL _IOWR('V', 28, struct v4l2_control)
2503	#define VIDIOC_G_TUNER _IOWR('V', 29, struct v4l2_tuner)
2504	#define VIDIOC_S_TUNER _IOW('V', 30, struct v4l2_tuner)
2505	#define VIDIOC_G_AUDIO _IOR('V', 33, struct v4l2_audio)
2506	#define VIDIOC_S_AUDIO _IOW('V', 34, struct v4l2_audio)
2507	#define VIDIOC_QUERYCTRL _IOWR('V', 36, struct v4l2_queryctrl)
2508	#define VIDIOC_QUERYMENU _IOWR('V', 37, struct v4l2_querymenu)
2509	#define VIDIOC_G_INPUT _IOR('V', 38, int)
2510	#define VIDIOC_S_INPUT _IOWR('V', 39, int)
2511	#define VIDIOC_G_EDID _IOWR('V', 40, struct v4l2_edid)
2512	#define VIDIOC_S_EDID _IOWR('V', 41, struct v4l2_edid)
2513	#define VIDIOC_G_OUTPUT _IOR('V', 46, int)
2514	#define VIDIOC_S_OUTPUT _IOWR('V', 47, int)
2515	#define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output)
2516	#define VIDIOC_G_AUDOUT _IOR('V', 49, struct v4l2_audioout)
2517	#define VIDIOC_S_AUDOUT _IOW('V', 50, struct v4l2_audioout)
2518	#define VIDIOC_G_MODULATOR _IOWR('V', 54, struct v4l2_modulator)
2519	#define VIDIOC_S_MODULATOR _IOW('V', 55, struct v4l2_modulator)
2520	#define VIDIOC_G_FREQUENCY _IOWR('V', 56, struct v4l2_frequency)
2521	#define VIDIOC_S_FREQUENCY _IOW('V', 57, struct v4l2_frequency)
2522	#define VIDIOC_CROPCAP _IOWR('V', 58, struct v4l2_cropcap)
2523	#define VIDIOC_G_CROP _IOWR('V', 59, struct v4l2_crop)
2524	#define VIDIOC_S_CROP _IOW('V', 60, struct v4l2_crop)
2525	#define VIDIOC_G_JPEGCOMP _IOR('V', 61, struct v4l2_jpegcompression)
2526	#define VIDIOC_S_JPEGCOMP _IOW('V', 62, struct v4l2_jpegcompression)
2527	#define VIDIOC_QUERYSTD _IOR('V', 63, v4l2_std_id)
2528	#define VIDIOC_TRY_FMT _IOWR('V', 64, struct v4l2_format)
2529	#define VIDIOC_ENUMAUDIO _IOWR('V', 65, struct v4l2_audio)
2530	#define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout)
2531	#define VIDIOC_G_PRIORITY _IOR('V', 67, __u32) /* enum v4l2_priority */
2532	#define VIDIOC_S_PRIORITY _IOW('V', 68, __u32) /* enum v4l2_priority */
2533	#define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
2534	#define VIDIOC_LOG_STATUS _IO('V', 70)
2535	#define VIDIOC_G_EXT_CTRLS _IOWR('V', 71, struct v4l2_ext_controls)
2536	#define VIDIOC_S_EXT_CTRLS _IOWR('V', 72, struct v4l2_ext_controls)
2537	#define VIDIOC_TRY_EXT_CTRLS _IOWR('V', 73, struct v4l2_ext_controls)
2538	#define VIDIOC_ENUM_FRAMESIZES _IOWR('V', 74, struct v4l2_frmsizeenum)
2539	#define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
2540	#define VIDIOC_G_ENC_INDEX _IOR('V', 76, struct v4l2_enc_idx)
2541	#define VIDIOC_ENCODER_CMD _IOWR('V', 77, struct v4l2_encoder_cmd)
2542	#define VIDIOC_TRY_ENCODER_CMD _IOWR('V', 78, struct v4l2_encoder_cmd)
2543
2544	/*
2545	* Experimental, meant for debugging, testing and internal use.
2546	* Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
2547	* You must be root to use these ioctls. Never use these in applications!
2548	*/
2549	#define VIDIOC_DBG_S_REGISTER _IOW('V', 79, struct v4l2_dbg_register)
2550	#define VIDIOC_DBG_G_REGISTER _IOWR('V', 80, struct v4l2_dbg_register)
2551
2552	#define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek)
2553	#define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings)
2554	#define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings)
2555	#define VIDIOC_DQEVENT _IOR('V', 89, struct v4l2_event)
2556	#define VIDIOC_SUBSCRIBE_EVENT _IOW('V', 90, struct v4l2_event_subscription)
2557	#define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
2558	#define VIDIOC_CREATE_BUFS _IOWR('V', 92, struct v4l2_create_buffers)
2559	#define VIDIOC_PREPARE_BUF _IOWR('V', 93, struct v4l2_buffer)
2560	#define VIDIOC_G_SELECTION _IOWR('V', 94, struct v4l2_selection)
2561	#define VIDIOC_S_SELECTION _IOWR('V', 95, struct v4l2_selection)
2562	#define VIDIOC_DECODER_CMD _IOWR('V', 96, struct v4l2_decoder_cmd)
2563	#define VIDIOC_TRY_DECODER_CMD _IOWR('V', 97, struct v4l2_decoder_cmd)
2564	#define VIDIOC_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings)
2565	#define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings)
2566	#define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap)
2567	#define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band)
2568
2569	/*
2570	* Experimental, meant for debugging, testing and internal use.
2571	* Never use this in applications!
2572	*/
2573	#define VIDIOC_DBG_G_CHIP_INFO _IOWR('V', 102, struct v4l2_dbg_chip_info)
2574
2575	#define VIDIOC_QUERY_EXT_CTRL _IOWR('V', 103, struct v4l2_query_ext_ctrl)
2576
2577	/* Reminder: when adding new ioctls please add support for them to
2578	drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */
2579
2580	#define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */
2581
2582	#endif /* __LINUX_VIDEODEV2_H */
2583