1 /*
2  *  Video for Linux Two header file
3  *
4  *  Copyright (C) 1999-2007 the contributors
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License as published by
8  *  the Free Software Foundation; either version 2 of the License, or
9  *  (at your option) any later version.
10  *
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *  GNU General Public License for more details.
15  *
16  *  Alternatively you can redistribute this file under the terms of the
17  *  BSD license as stated below:
18  *
19  *  Redistribution and use in source and binary forms, with or without
20  *  modification, are permitted provided that the following conditions
21  *  are met:
22  *  1. Redistributions of source code must retain the above copyright
23  *     notice, this list of conditions and the following disclaimer.
24  *  2. Redistributions in binary form must reproduce the above copyright
25  *     notice, this list of conditions and the following disclaimer in
26  *     the documentation and/or other materials provided with the
27  *     distribution.
28  *  3. The names of its contributors may not be used to endorse or promote
29  *     products derived from this software without specific prior written
30  *     permission.
31  *
32  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
33  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
34  *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
35  *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
36  *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
37  *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
38  *  TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
39  *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
40  *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
41  *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
42  *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
43  *
44  *	Header file for v4l or V4L2 drivers and applications
45  * with public API.
46  * All kernel-specific stuff were moved to media/v4l2-dev.h, so
47  * no #if __KERNEL tests are allowed here
48  *
49  *	See http://linuxtv.org for more info
50  *
51  *	Author: Bill Dirks <bill@thedirks.org>
52  *		Justin Schoeman
53  *              Hans Verkuil <hverkuil@xs4all.nl>
54  *		et al.
55  */
56 #ifndef __LINUX_VIDEODEV2_H
57 #define __LINUX_VIDEODEV2_H
58 
59 #ifdef __KERNEL__
60 #include <linux/time.h>     /* need struct timeval */
61 #else
62 #include <sys/time.h>
63 #endif
64 #include <linux/compiler.h>
65 #include <linux/ioctl.h>
66 #include <linux/types.h>
67 
68 /*
69  * Common stuff for both V4L1 and V4L2
70  * Moved from videodev.h
71  */
72 #define VIDEO_MAX_FRAME               32
73 #define VIDEO_MAX_PLANES               8
74 
75 #ifndef __KERNEL__
76 
77 /* These defines are V4L1 specific and should not be used with the V4L2 API!
78    They will be removed from this header in the future. */
79 
80 #define VID_TYPE_CAPTURE	1	/* Can capture */
81 #define VID_TYPE_TUNER		2	/* Can tune */
82 #define VID_TYPE_TELETEXT	4	/* Does teletext */
83 #define VID_TYPE_OVERLAY	8	/* Overlay onto frame buffer */
84 #define VID_TYPE_CHROMAKEY	16	/* Overlay by chromakey */
85 #define VID_TYPE_CLIPPING	32	/* Can clip */
86 #define VID_TYPE_FRAMERAM	64	/* Uses the frame buffer memory */
87 #define VID_TYPE_SCALES		128	/* Scalable */
88 #define VID_TYPE_MONOCHROME	256	/* Monochrome only */
89 #define VID_TYPE_SUBCAPTURE	512	/* Can capture subareas of the image */
90 #define VID_TYPE_MPEG_DECODER	1024	/* Can decode MPEG streams */
91 #define VID_TYPE_MPEG_ENCODER	2048	/* Can encode MPEG streams */
92 #define VID_TYPE_MJPEG_DECODER	4096	/* Can decode MJPEG streams */
93 #define VID_TYPE_MJPEG_ENCODER	8192	/* Can encode MJPEG streams */
94 #endif
95 
96 /*
97  *	M I S C E L L A N E O U S
98  */
99 
100 /*  Four-character-code (FOURCC) */
101 #define v4l2_fourcc(a, b, c, d)\
102 	((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24))
103 
104 /*
105  *	E N U M S
106  */
107 enum v4l2_field {
108 	V4L2_FIELD_ANY           = 0, /* driver can choose from none,
109 					 top, bottom, interlaced
110 					 depending on whatever it thinks
111 					 is approximate ... */
112 	V4L2_FIELD_NONE          = 1, /* this device has no fields ... */
113 	V4L2_FIELD_TOP           = 2, /* top field only */
114 	V4L2_FIELD_BOTTOM        = 3, /* bottom field only */
115 	V4L2_FIELD_INTERLACED    = 4, /* both fields interlaced */
116 	V4L2_FIELD_SEQ_TB        = 5, /* both fields sequential into one
117 					 buffer, top-bottom order */
118 	V4L2_FIELD_SEQ_BT        = 6, /* same as above + bottom-top order */
119 	V4L2_FIELD_ALTERNATE     = 7, /* both fields alternating into
120 					 separate buffers */
121 	V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field
122 					 first and the top field is
123 					 transmitted first */
124 	V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field
125 					 first and the bottom field is
126 					 transmitted first */
127 };
128 #define V4L2_FIELD_HAS_TOP(field)	\
129 	((field) == V4L2_FIELD_TOP 	||\
130 	 (field) == V4L2_FIELD_INTERLACED ||\
131 	 (field) == V4L2_FIELD_INTERLACED_TB ||\
132 	 (field) == V4L2_FIELD_INTERLACED_BT ||\
133 	 (field) == V4L2_FIELD_SEQ_TB	||\
134 	 (field) == V4L2_FIELD_SEQ_BT)
135 #define V4L2_FIELD_HAS_BOTTOM(field)	\
136 	((field) == V4L2_FIELD_BOTTOM 	||\
137 	 (field) == V4L2_FIELD_INTERLACED ||\
138 	 (field) == V4L2_FIELD_INTERLACED_TB ||\
139 	 (field) == V4L2_FIELD_INTERLACED_BT ||\
140 	 (field) == V4L2_FIELD_SEQ_TB	||\
141 	 (field) == V4L2_FIELD_SEQ_BT)
142 #define V4L2_FIELD_HAS_BOTH(field)	\
143 	((field) == V4L2_FIELD_INTERLACED ||\
144 	 (field) == V4L2_FIELD_INTERLACED_TB ||\
145 	 (field) == V4L2_FIELD_INTERLACED_BT ||\
146 	 (field) == V4L2_FIELD_SEQ_TB ||\
147 	 (field) == V4L2_FIELD_SEQ_BT)
148 
149 enum v4l2_buf_type {
150 	V4L2_BUF_TYPE_VIDEO_CAPTURE        = 1,
151 	V4L2_BUF_TYPE_VIDEO_OUTPUT         = 2,
152 	V4L2_BUF_TYPE_VIDEO_OVERLAY        = 3,
153 	V4L2_BUF_TYPE_VBI_CAPTURE          = 4,
154 	V4L2_BUF_TYPE_VBI_OUTPUT           = 5,
155 	V4L2_BUF_TYPE_SLICED_VBI_CAPTURE   = 6,
156 	V4L2_BUF_TYPE_SLICED_VBI_OUTPUT    = 7,
157 #if 1
158 	/* Experimental */
159 	V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
160 #endif
161 	V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9,
162 	V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE  = 10,
163 	V4L2_BUF_TYPE_PRIVATE              = 0x80,
164 };
165 
166 #define V4L2_TYPE_IS_MULTIPLANAR(type)			\
167 	((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE	\
168 	 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
169 
170 #define V4L2_TYPE_IS_OUTPUT(type)				\
171 	((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT			\
172 	 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE		\
173 	 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY		\
174 	 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY	\
175 	 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT			\
176 	 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT)
177 
178 enum v4l2_tuner_type {
179 	V4L2_TUNER_RADIO	     = 1,
180 	V4L2_TUNER_ANALOG_TV	     = 2,
181 	V4L2_TUNER_DIGITAL_TV	     = 3,
182 };
183 
184 enum v4l2_memory {
185 	V4L2_MEMORY_MMAP             = 1,
186 	V4L2_MEMORY_USERPTR          = 2,
187 	V4L2_MEMORY_OVERLAY          = 3,
188 };
189 
190 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
191 enum v4l2_colorspace {
192 	/* ITU-R 601 -- broadcast NTSC/PAL */
193 	V4L2_COLORSPACE_SMPTE170M     = 1,
194 
195 	/* 1125-Line (US) HDTV */
196 	V4L2_COLORSPACE_SMPTE240M     = 2,
197 
198 	/* HD and modern captures. */
199 	V4L2_COLORSPACE_REC709        = 3,
200 
201 	/* broken BT878 extents (601, luma range 16-253 instead of 16-235) */
202 	V4L2_COLORSPACE_BT878         = 4,
203 
204 	/* These should be useful.  Assume 601 extents. */
205 	V4L2_COLORSPACE_470_SYSTEM_M  = 5,
206 	V4L2_COLORSPACE_470_SYSTEM_BG = 6,
207 
208 	/* I know there will be cameras that send this.  So, this is
209 	 * unspecified chromaticities and full 0-255 on each of the
210 	 * Y'CbCr components
211 	 */
212 	V4L2_COLORSPACE_JPEG          = 7,
213 
214 	/* For RGB colourspaces, this is probably a good start. */
215 	V4L2_COLORSPACE_SRGB          = 8,
216 };
217 
218 enum v4l2_priority {
219 	V4L2_PRIORITY_UNSET       = 0,  /* not initialized */
220 	V4L2_PRIORITY_BACKGROUND  = 1,
221 	V4L2_PRIORITY_INTERACTIVE = 2,
222 	V4L2_PRIORITY_RECORD      = 3,
223 	V4L2_PRIORITY_DEFAULT     = V4L2_PRIORITY_INTERACTIVE,
224 };
225 
226 struct v4l2_rect {
227 	__s32   left;
228 	__s32   top;
229 	__s32   width;
230 	__s32   height;
231 };
232 
233 struct v4l2_fract {
234 	__u32   numerator;
235 	__u32   denominator;
236 };
237 
238 /*
239  *	D R I V E R   C A P A B I L I T I E S
240  */
241 struct v4l2_capability {
242 	__u8	driver[16];	/* i.e. "bttv" */
243 	__u8	card[32];	/* i.e. "Hauppauge WinTV" */
244 	__u8	bus_info[32];	/* "PCI:" + pci_name(pci_dev) */
245 	__u32   version;        /* should use KERNEL_VERSION() */
246 	__u32	capabilities;	/* Device capabilities */
247 	__u32	reserved[4];
248 };
249 
250 /* Values for 'capabilities' field */
251 #define V4L2_CAP_VIDEO_CAPTURE		0x00000001  /* Is a video capture device */
252 #define V4L2_CAP_VIDEO_OUTPUT		0x00000002  /* Is a video output device */
253 #define V4L2_CAP_VIDEO_OVERLAY		0x00000004  /* Can do video overlay */
254 #define V4L2_CAP_VBI_CAPTURE		0x00000010  /* Is a raw VBI capture device */
255 #define V4L2_CAP_VBI_OUTPUT		0x00000020  /* Is a raw VBI output device */
256 #define V4L2_CAP_SLICED_VBI_CAPTURE	0x00000040  /* Is a sliced VBI capture device */
257 #define V4L2_CAP_SLICED_VBI_OUTPUT	0x00000080  /* Is a sliced VBI output device */
258 #define V4L2_CAP_RDS_CAPTURE		0x00000100  /* RDS data capture */
259 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY	0x00000200  /* Can do video output overlay */
260 #define V4L2_CAP_HW_FREQ_SEEK		0x00000400  /* Can do hardware frequency seek  */
261 #define V4L2_CAP_RDS_OUTPUT		0x00000800  /* Is an RDS encoder */
262 
263 /* Is a video capture device that supports multiplanar formats */
264 #define V4L2_CAP_VIDEO_CAPTURE_MPLANE	0x00001000
265 /* Is a video output device that supports multiplanar formats */
266 #define V4L2_CAP_VIDEO_OUTPUT_MPLANE	0x00002000
267 
268 #define V4L2_CAP_TUNER			0x00010000  /* has a tuner */
269 #define V4L2_CAP_AUDIO			0x00020000  /* has audio support */
270 #define V4L2_CAP_RADIO			0x00040000  /* is a radio device */
271 #define V4L2_CAP_MODULATOR		0x00080000  /* has a modulator */
272 
273 #define V4L2_CAP_READWRITE              0x01000000  /* read/write systemcalls */
274 #define V4L2_CAP_ASYNCIO                0x02000000  /* async I/O */
275 #define V4L2_CAP_STREAMING              0x04000000  /* streaming I/O ioctls */
276 
277 /*
278  *	V I D E O   I M A G E   F O R M A T
279  */
280 struct v4l2_pix_format {
281 	__u32         		width;
282 	__u32			height;
283 	__u32			pixelformat;
284 	enum v4l2_field  	field;
285 	__u32            	bytesperline;	/* for padding, zero if unused */
286 	__u32          		sizeimage;
287 	enum v4l2_colorspace	colorspace;
288 	__u32			priv;		/* private data, depends on pixelformat */
289 };
290 
291 /*      Pixel format         FOURCC                          depth  Description  */
292 
293 /* RGB formats */
294 #define V4L2_PIX_FMT_RGB332  v4l2_fourcc('R', 'G', 'B', '1') /*  8  RGB-3-3-2     */
295 #define V4L2_PIX_FMT_RGB444  v4l2_fourcc('R', '4', '4', '4') /* 16  xxxxrrrr ggggbbbb */
296 #define V4L2_PIX_FMT_RGB555  v4l2_fourcc('R', 'G', 'B', 'O') /* 16  RGB-5-5-5     */
297 #define V4L2_PIX_FMT_RGB565  v4l2_fourcc('R', 'G', 'B', 'P') /* 16  RGB-5-6-5     */
298 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16  RGB-5-5-5 BE  */
299 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16  RGB-5-6-5 BE  */
300 #define V4L2_PIX_FMT_BGR666  v4l2_fourcc('B', 'G', 'R', 'H') /* 18  BGR-6-6-6	  */
301 #define V4L2_PIX_FMT_BGR24   v4l2_fourcc('B', 'G', 'R', '3') /* 24  BGR-8-8-8     */
302 #define V4L2_PIX_FMT_RGB24   v4l2_fourcc('R', 'G', 'B', '3') /* 24  RGB-8-8-8     */
303 #define V4L2_PIX_FMT_BGR32   v4l2_fourcc('B', 'G', 'R', '4') /* 32  BGR-8-8-8-8   */
304 #define V4L2_PIX_FMT_RGB32   v4l2_fourcc('R', 'G', 'B', '4') /* 32  RGB-8-8-8-8   */
305 
306 /* Grey formats */
307 #define V4L2_PIX_FMT_GREY    v4l2_fourcc('G', 'R', 'E', 'Y') /*  8  Greyscale     */
308 #define V4L2_PIX_FMT_Y4      v4l2_fourcc('Y', '0', '4', ' ') /*  4  Greyscale     */
309 #define V4L2_PIX_FMT_Y6      v4l2_fourcc('Y', '0', '6', ' ') /*  6  Greyscale     */
310 #define V4L2_PIX_FMT_Y10     v4l2_fourcc('Y', '1', '0', ' ') /* 10  Greyscale     */
311 #define V4L2_PIX_FMT_Y12     v4l2_fourcc('Y', '1', '2', ' ') /* 12  Greyscale     */
312 #define V4L2_PIX_FMT_Y16     v4l2_fourcc('Y', '1', '6', ' ') /* 16  Greyscale     */
313 
314 /* Palette formats */
315 #define V4L2_PIX_FMT_PAL8    v4l2_fourcc('P', 'A', 'L', '8') /*  8  8-bit palette */
316 
317 /* Luminance+Chrominance formats */
318 #define V4L2_PIX_FMT_YVU410  v4l2_fourcc('Y', 'V', 'U', '9') /*  9  YVU 4:1:0     */
319 #define V4L2_PIX_FMT_YVU420  v4l2_fourcc('Y', 'V', '1', '2') /* 12  YVU 4:2:0     */
320 #define V4L2_PIX_FMT_YUYV    v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16  YUV 4:2:2     */
321 #define V4L2_PIX_FMT_YYUV    v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16  YUV 4:2:2     */
322 #define V4L2_PIX_FMT_YVYU    v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
323 #define V4L2_PIX_FMT_UYVY    v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16  YUV 4:2:2     */
324 #define V4L2_PIX_FMT_VYUY    v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16  YUV 4:2:2     */
325 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16  YVU422 planar */
326 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 16  YVU411 planar */
327 #define V4L2_PIX_FMT_Y41P    v4l2_fourcc('Y', '4', '1', 'P') /* 12  YUV 4:1:1     */
328 #define V4L2_PIX_FMT_YUV444  v4l2_fourcc('Y', '4', '4', '4') /* 16  xxxxyyyy uuuuvvvv */
329 #define V4L2_PIX_FMT_YUV555  v4l2_fourcc('Y', 'U', 'V', 'O') /* 16  YUV-5-5-5     */
330 #define V4L2_PIX_FMT_YUV565  v4l2_fourcc('Y', 'U', 'V', 'P') /* 16  YUV-5-6-5     */
331 #define V4L2_PIX_FMT_YUV32   v4l2_fourcc('Y', 'U', 'V', '4') /* 32  YUV-8-8-8-8   */
332 #define V4L2_PIX_FMT_YUV410  v4l2_fourcc('Y', 'U', 'V', '9') /*  9  YUV 4:1:0     */
333 #define V4L2_PIX_FMT_YUV420  v4l2_fourcc('Y', 'U', '1', '2') /* 12  YUV 4:2:0     */
334 #define V4L2_PIX_FMT_HI240   v4l2_fourcc('H', 'I', '2', '4') /*  8  8-bit color   */
335 #define V4L2_PIX_FMT_HM12    v4l2_fourcc('H', 'M', '1', '2') /*  8  YUV 4:2:0 16x16 macroblocks */
336 
337 /* two planes -- one Y, one Cr + Cb interleaved  */
338 #define V4L2_PIX_FMT_NV12    v4l2_fourcc('N', 'V', '1', '2') /* 12  Y/CbCr 4:2:0  */
339 #define V4L2_PIX_FMT_NV21    v4l2_fourcc('N', 'V', '2', '1') /* 12  Y/CrCb 4:2:0  */
340 #define V4L2_PIX_FMT_NV16    v4l2_fourcc('N', 'V', '1', '6') /* 16  Y/CbCr 4:2:2  */
341 #define V4L2_PIX_FMT_NV61    v4l2_fourcc('N', 'V', '6', '1') /* 16  Y/CrCb 4:2:2  */
342 
343 /* two non contiguous planes - one Y, one Cr + Cb interleaved  */
344 #define V4L2_PIX_FMT_NV12M   v4l2_fourcc('N', 'M', '1', '2') /* 12  Y/CbCr 4:2:0  */
345 #define V4L2_PIX_FMT_NV12MT  v4l2_fourcc('T', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 64x32 macroblocks */
346 
347 /* three non contiguous planes - Y, Cb, Cr */
348 #define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12  YUV420 planar */
349 
350 /* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
351 #define V4L2_PIX_FMT_SBGGR8  v4l2_fourcc('B', 'A', '8', '1') /*  8  BGBG.. GRGR.. */
352 #define V4L2_PIX_FMT_SGBRG8  v4l2_fourcc('G', 'B', 'R', 'G') /*  8  GBGB.. RGRG.. */
353 #define V4L2_PIX_FMT_SGRBG8  v4l2_fourcc('G', 'R', 'B', 'G') /*  8  GRGR.. BGBG.. */
354 #define V4L2_PIX_FMT_SRGGB8  v4l2_fourcc('R', 'G', 'G', 'B') /*  8  RGRG.. GBGB.. */
355 #define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10  BGBG.. GRGR.. */
356 #define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10  GBGB.. RGRG.. */
357 #define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10  GRGR.. BGBG.. */
358 #define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10  RGRG.. GBGB.. */
359 #define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12  BGBG.. GRGR.. */
360 #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12  GBGB.. RGRG.. */
361 #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12  GRGR.. BGBG.. */
362 #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12  RGRG.. GBGB.. */
363 	/* 10bit raw bayer DPCM compressed to 8 bits */
364 #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
365 	/*
366 	 * 10bit raw bayer, expanded to 16 bits
367 	 * xxxxrrrrrrrrrrxxxxgggggggggg xxxxggggggggggxxxxbbbbbbbbbb...
368 	 */
369 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16  BGBG.. GRGR.. */
370 
371 /* compressed formats */
372 #define V4L2_PIX_FMT_MJPEG    v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG   */
373 #define V4L2_PIX_FMT_JPEG     v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG     */
374 #define V4L2_PIX_FMT_DV       v4l2_fourcc('d', 'v', 's', 'd') /* 1394          */
375 #define V4L2_PIX_FMT_MPEG     v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4    */
376 
377 /*  Vendor-specific formats   */
378 #define V4L2_PIX_FMT_CPIA1    v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
379 #define V4L2_PIX_FMT_WNVA     v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
380 #define V4L2_PIX_FMT_SN9C10X  v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
381 #define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
382 #define V4L2_PIX_FMT_PWC1     v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
383 #define V4L2_PIX_FMT_PWC2     v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
384 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
385 #define V4L2_PIX_FMT_SPCA501  v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
386 #define V4L2_PIX_FMT_SPCA505  v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
387 #define V4L2_PIX_FMT_SPCA508  v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
388 #define V4L2_PIX_FMT_SPCA561  v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
389 #define V4L2_PIX_FMT_PAC207   v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
390 #define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
391 #define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
392 #define V4L2_PIX_FMT_SQ905C   v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
393 #define V4L2_PIX_FMT_PJPG     v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
394 #define V4L2_PIX_FMT_OV511    v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
395 #define V4L2_PIX_FMT_OV518    v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
396 #define V4L2_PIX_FMT_STV0680  v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
397 #define V4L2_PIX_FMT_TM6000   v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
398 #define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
399 #define V4L2_PIX_FMT_KONICA420  v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
400 #define V4L2_PIX_FMT_JPGL	v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
401 
402 /*
403  *	F O R M A T   E N U M E R A T I O N
404  */
405 struct v4l2_fmtdesc {
406 	__u32		    index;             /* Format number      */
407 	enum v4l2_buf_type  type;              /* buffer type        */
408 	__u32               flags;
409 	__u8		    description[32];   /* Description string */
410 	__u32		    pixelformat;       /* Format fourcc      */
411 	__u32		    reserved[4];
412 };
413 
414 #define V4L2_FMT_FLAG_COMPRESSED 0x0001
415 #define V4L2_FMT_FLAG_EMULATED   0x0002
416 
417 #if 1
418 	/* Experimental Frame Size and frame rate enumeration */
419 /*
420  *	F R A M E   S I Z E   E N U M E R A T I O N
421  */
422 enum v4l2_frmsizetypes {
423 	V4L2_FRMSIZE_TYPE_DISCRETE	= 1,
424 	V4L2_FRMSIZE_TYPE_CONTINUOUS	= 2,
425 	V4L2_FRMSIZE_TYPE_STEPWISE	= 3,
426 };
427 
428 struct v4l2_frmsize_discrete {
429 	__u32			width;		/* Frame width [pixel] */
430 	__u32			height;		/* Frame height [pixel] */
431 };
432 
433 struct v4l2_frmsize_stepwise {
434 	__u32			min_width;	/* Minimum frame width [pixel] */
435 	__u32			max_width;	/* Maximum frame width [pixel] */
436 	__u32			step_width;	/* Frame width step size [pixel] */
437 	__u32			min_height;	/* Minimum frame height [pixel] */
438 	__u32			max_height;	/* Maximum frame height [pixel] */
439 	__u32			step_height;	/* Frame height step size [pixel] */
440 };
441 
442 struct v4l2_frmsizeenum {
443 	__u32			index;		/* Frame size number */
444 	__u32			pixel_format;	/* Pixel format */
445 	__u32			type;		/* Frame size type the device supports. */
446 
447 	union {					/* Frame size */
448 		struct v4l2_frmsize_discrete	discrete;
449 		struct v4l2_frmsize_stepwise	stepwise;
450 	};
451 
452 	__u32   reserved[2];			/* Reserved space for future use */
453 };
454 
455 /*
456  *	F R A M E   R A T E   E N U M E R A T I O N
457  */
458 enum v4l2_frmivaltypes {
459 	V4L2_FRMIVAL_TYPE_DISCRETE	= 1,
460 	V4L2_FRMIVAL_TYPE_CONTINUOUS	= 2,
461 	V4L2_FRMIVAL_TYPE_STEPWISE	= 3,
462 };
463 
464 struct v4l2_frmival_stepwise {
465 	struct v4l2_fract	min;		/* Minimum frame interval [s] */
466 	struct v4l2_fract	max;		/* Maximum frame interval [s] */
467 	struct v4l2_fract	step;		/* Frame interval step size [s] */
468 };
469 
470 struct v4l2_frmivalenum {
471 	__u32			index;		/* Frame format index */
472 	__u32			pixel_format;	/* Pixel format */
473 	__u32			width;		/* Frame width */
474 	__u32			height;		/* Frame height */
475 	__u32			type;		/* Frame interval type the device supports. */
476 
477 	union {					/* Frame interval */
478 		struct v4l2_fract		discrete;
479 		struct v4l2_frmival_stepwise	stepwise;
480 	};
481 
482 	__u32	reserved[2];			/* Reserved space for future use */
483 };
484 #endif
485 
486 /*
487  *	T I M E C O D E
488  */
489 struct v4l2_timecode {
490 	__u32	type;
491 	__u32	flags;
492 	__u8	frames;
493 	__u8	seconds;
494 	__u8	minutes;
495 	__u8	hours;
496 	__u8	userbits[4];
497 };
498 
499 /*  Type  */
500 #define V4L2_TC_TYPE_24FPS		1
501 #define V4L2_TC_TYPE_25FPS		2
502 #define V4L2_TC_TYPE_30FPS		3
503 #define V4L2_TC_TYPE_50FPS		4
504 #define V4L2_TC_TYPE_60FPS		5
505 
506 /*  Flags  */
507 #define V4L2_TC_FLAG_DROPFRAME		0x0001 /* "drop-frame" mode */
508 #define V4L2_TC_FLAG_COLORFRAME		0x0002
509 #define V4L2_TC_USERBITS_field		0x000C
510 #define V4L2_TC_USERBITS_USERDEFINED	0x0000
511 #define V4L2_TC_USERBITS_8BITCHARS	0x0008
512 /* The above is based on SMPTE timecodes */
513 
514 struct v4l2_jpegcompression {
515 	int quality;
516 
517 	int  APPn;              /* Number of APP segment to be written,
518 				 * must be 0..15 */
519 	int  APP_len;           /* Length of data in JPEG APPn segment */
520 	char APP_data[60];      /* Data in the JPEG APPn segment. */
521 
522 	int  COM_len;           /* Length of data in JPEG COM segment */
523 	char COM_data[60];      /* Data in JPEG COM segment */
524 
525 	__u32 jpeg_markers;     /* Which markers should go into the JPEG
526 				 * output. Unless you exactly know what
527 				 * you do, leave them untouched.
528 				 * Inluding less markers will make the
529 				 * resulting code smaller, but there will
530 				 * be fewer applications which can read it.
531 				 * The presence of the APP and COM marker
532 				 * is influenced by APP_len and COM_len
533 				 * ONLY, not by this property! */
534 
535 #define V4L2_JPEG_MARKER_DHT (1<<3)    /* Define Huffman Tables */
536 #define V4L2_JPEG_MARKER_DQT (1<<4)    /* Define Quantization Tables */
537 #define V4L2_JPEG_MARKER_DRI (1<<5)    /* Define Restart Interval */
538 #define V4L2_JPEG_MARKER_COM (1<<6)    /* Comment segment */
539 #define V4L2_JPEG_MARKER_APP (1<<7)    /* App segment, driver will
540 					* allways use APP0 */
541 };
542 
543 /*
544  *	M E M O R Y - M A P P I N G   B U F F E R S
545  */
546 struct v4l2_requestbuffers {
547 	__u32			count;
548 	enum v4l2_buf_type      type;
549 	enum v4l2_memory        memory;
550 	__u32			reserved[2];
551 };
552 
553 /**
554  * struct v4l2_plane - plane info for multi-planar buffers
555  * @bytesused:		number of bytes occupied by data in the plane (payload)
556  * @length:		size of this plane (NOT the payload) in bytes
557  * @mem_offset:		when memory in the associated struct v4l2_buffer is
558  *			V4L2_MEMORY_MMAP, equals the offset from the start of
559  *			the device memory for this plane (or is a "cookie" that
560  *			should be passed to mmap() called on the video node)
561  * @userptr:		when memory is V4L2_MEMORY_USERPTR, a userspace pointer
562  *			pointing to this plane
563  * @data_offset:	offset in the plane to the start of data; usually 0,
564  *			unless there is a header in front of the data
565  *
566  * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
567  * with two planes can have one plane for Y, and another for interleaved CbCr
568  * components. Each plane can reside in a separate memory buffer, or even in
569  * a completely separate memory node (e.g. in embedded devices).
570  */
571 struct v4l2_plane {
572 	__u32			bytesused;
573 	__u32			length;
574 	union {
575 		__u32		mem_offset;
576 		unsigned long	userptr;
577 	} m;
578 	__u32			data_offset;
579 	__u32			reserved[11];
580 };
581 
582 /**
583  * struct v4l2_buffer - video buffer info
584  * @index:	id number of the buffer
585  * @type:	buffer type (type == *_MPLANE for multiplanar buffers)
586  * @bytesused:	number of bytes occupied by data in the buffer (payload);
587  *		unused (set to 0) for multiplanar buffers
588  * @flags:	buffer informational flags
589  * @field:	field order of the image in the buffer
590  * @timestamp:	frame timestamp
591  * @timecode:	frame timecode
592  * @sequence:	sequence count of this frame
593  * @memory:	the method, in which the actual video data is passed
594  * @offset:	for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
595  *		offset from the start of the device memory for this plane,
596  *		(or a "cookie" that should be passed to mmap() as offset)
597  * @userptr:	for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
598  *		a userspace pointer pointing to this buffer
599  * @planes:	for multiplanar buffers; userspace pointer to the array of plane
600  *		info structs for this buffer
601  * @length:	size in bytes of the buffer (NOT its payload) for single-plane
602  *		buffers (when type != *_MPLANE); number of elements in the
603  *		planes array for multi-plane buffers
604  * @input:	input number from which the video data has has been captured
605  *
606  * Contains data exchanged by application and driver using one of the Streaming
607  * I/O methods.
608  */
609 struct v4l2_buffer {
610 	__u32			index;
611 	enum v4l2_buf_type      type;
612 	__u32			bytesused;
613 	__u32			flags;
614 	enum v4l2_field		field;
615 	struct timeval		timestamp;
616 	struct v4l2_timecode	timecode;
617 	__u32			sequence;
618 
619 	/* memory location */
620 	enum v4l2_memory        memory;
621 	union {
622 		__u32           offset;
623 		unsigned long   userptr;
624 		struct v4l2_plane *planes;
625 	} m;
626 	__u32			length;
627 	__u32			input;
628 	__u32			reserved;
629 };
630 
631 /*  Flags for 'flags' field */
632 #define V4L2_BUF_FLAG_MAPPED	0x0001  /* Buffer is mapped (flag) */
633 #define V4L2_BUF_FLAG_QUEUED	0x0002	/* Buffer is queued for processing */
634 #define V4L2_BUF_FLAG_DONE	0x0004	/* Buffer is ready */
635 #define V4L2_BUF_FLAG_KEYFRAME	0x0008	/* Image is a keyframe (I-frame) */
636 #define V4L2_BUF_FLAG_PFRAME	0x0010	/* Image is a P-frame */
637 #define V4L2_BUF_FLAG_BFRAME	0x0020	/* Image is a B-frame */
638 /* Buffer is ready, but the data contained within is corrupted. */
639 #define V4L2_BUF_FLAG_ERROR	0x0040
640 #define V4L2_BUF_FLAG_TIMECODE	0x0100	/* timecode field is valid */
641 #define V4L2_BUF_FLAG_INPUT     0x0200  /* input field is valid */
642 
643 /*
644  *	O V E R L A Y   P R E V I E W
645  */
646 struct v4l2_framebuffer {
647 	__u32			capability;
648 	__u32			flags;
649 /* FIXME: in theory we should pass something like PCI device + memory
650  * region + offset instead of some physical address */
651 	void                    *base;
652 	struct v4l2_pix_format	fmt;
653 };
654 /*  Flags for the 'capability' field. Read only */
655 #define V4L2_FBUF_CAP_EXTERNOVERLAY	0x0001
656 #define V4L2_FBUF_CAP_CHROMAKEY		0x0002
657 #define V4L2_FBUF_CAP_LIST_CLIPPING     0x0004
658 #define V4L2_FBUF_CAP_BITMAP_CLIPPING	0x0008
659 #define V4L2_FBUF_CAP_LOCAL_ALPHA	0x0010
660 #define V4L2_FBUF_CAP_GLOBAL_ALPHA	0x0020
661 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA	0x0040
662 #define V4L2_FBUF_CAP_SRC_CHROMAKEY	0x0080
663 /*  Flags for the 'flags' field. */
664 #define V4L2_FBUF_FLAG_PRIMARY		0x0001
665 #define V4L2_FBUF_FLAG_OVERLAY		0x0002
666 #define V4L2_FBUF_FLAG_CHROMAKEY	0x0004
667 #define V4L2_FBUF_FLAG_LOCAL_ALPHA	0x0008
668 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA	0x0010
669 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA	0x0020
670 #define V4L2_FBUF_FLAG_SRC_CHROMAKEY	0x0040
671 
672 struct v4l2_clip {
673 	struct v4l2_rect        c;
674 	struct v4l2_clip	__user *next;
675 };
676 
677 struct v4l2_window {
678 	struct v4l2_rect        w;
679 	enum v4l2_field  	field;
680 	__u32			chromakey;
681 	struct v4l2_clip	__user *clips;
682 	__u32			clipcount;
683 	void			__user *bitmap;
684 	__u8                    global_alpha;
685 };
686 
687 /*
688  *	C A P T U R E   P A R A M E T E R S
689  */
690 struct v4l2_captureparm {
691 	__u32		   capability;	  /*  Supported modes */
692 	__u32		   capturemode;	  /*  Current mode */
693 	struct v4l2_fract  timeperframe;  /*  Time per frame in .1us units */
694 	__u32		   extendedmode;  /*  Driver-specific extensions */
695 	__u32              readbuffers;   /*  # of buffers for read */
696 	__u32		   reserved[4];
697 };
698 
699 /*  Flags for 'capability' and 'capturemode' fields */
700 #define V4L2_MODE_HIGHQUALITY	0x0001	/*  High quality imaging mode */
701 #define V4L2_CAP_TIMEPERFRAME	0x1000	/*  timeperframe field is supported */
702 
703 struct v4l2_outputparm {
704 	__u32		   capability;	 /*  Supported modes */
705 	__u32		   outputmode;	 /*  Current mode */
706 	struct v4l2_fract  timeperframe; /*  Time per frame in seconds */
707 	__u32		   extendedmode; /*  Driver-specific extensions */
708 	__u32              writebuffers; /*  # of buffers for write */
709 	__u32		   reserved[4];
710 };
711 
712 /*
713  *	I N P U T   I M A G E   C R O P P I N G
714  */
715 struct v4l2_cropcap {
716 	enum v4l2_buf_type      type;
717 	struct v4l2_rect        bounds;
718 	struct v4l2_rect        defrect;
719 	struct v4l2_fract       pixelaspect;
720 };
721 
722 struct v4l2_crop {
723 	enum v4l2_buf_type      type;
724 	struct v4l2_rect        c;
725 };
726 
727 /*
728  *      A N A L O G   V I D E O   S T A N D A R D
729  */
730 
731 typedef __u64 v4l2_std_id;
732 
733 /* one bit for each */
734 #define V4L2_STD_PAL_B          ((v4l2_std_id)0x00000001)
735 #define V4L2_STD_PAL_B1         ((v4l2_std_id)0x00000002)
736 #define V4L2_STD_PAL_G          ((v4l2_std_id)0x00000004)
737 #define V4L2_STD_PAL_H          ((v4l2_std_id)0x00000008)
738 #define V4L2_STD_PAL_I          ((v4l2_std_id)0x00000010)
739 #define V4L2_STD_PAL_D          ((v4l2_std_id)0x00000020)
740 #define V4L2_STD_PAL_D1         ((v4l2_std_id)0x00000040)
741 #define V4L2_STD_PAL_K          ((v4l2_std_id)0x00000080)
742 
743 #define V4L2_STD_PAL_M          ((v4l2_std_id)0x00000100)
744 #define V4L2_STD_PAL_N          ((v4l2_std_id)0x00000200)
745 #define V4L2_STD_PAL_Nc         ((v4l2_std_id)0x00000400)
746 #define V4L2_STD_PAL_60         ((v4l2_std_id)0x00000800)
747 
748 #define V4L2_STD_NTSC_M         ((v4l2_std_id)0x00001000)
749 #define V4L2_STD_NTSC_M_JP      ((v4l2_std_id)0x00002000)
750 #define V4L2_STD_NTSC_443       ((v4l2_std_id)0x00004000)
751 #define V4L2_STD_NTSC_M_KR      ((v4l2_std_id)0x00008000)
752 
753 #define V4L2_STD_SECAM_B        ((v4l2_std_id)0x00010000)
754 #define V4L2_STD_SECAM_D        ((v4l2_std_id)0x00020000)
755 #define V4L2_STD_SECAM_G        ((v4l2_std_id)0x00040000)
756 #define V4L2_STD_SECAM_H        ((v4l2_std_id)0x00080000)
757 #define V4L2_STD_SECAM_K        ((v4l2_std_id)0x00100000)
758 #define V4L2_STD_SECAM_K1       ((v4l2_std_id)0x00200000)
759 #define V4L2_STD_SECAM_L        ((v4l2_std_id)0x00400000)
760 #define V4L2_STD_SECAM_LC       ((v4l2_std_id)0x00800000)
761 
762 /* ATSC/HDTV */
763 #define V4L2_STD_ATSC_8_VSB     ((v4l2_std_id)0x01000000)
764 #define V4L2_STD_ATSC_16_VSB    ((v4l2_std_id)0x02000000)
765 
766 /* FIXME:
767    Although std_id is 64 bits, there is an issue on PPC32 architecture that
768    makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
769    this value to 32 bits.
770    As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
771    it should work fine. However, if needed to add more than two standards,
772    v4l2-common.c should be fixed.
773  */
774 
775 /* some merged standards */
776 #define V4L2_STD_MN	(V4L2_STD_PAL_M|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc|V4L2_STD_NTSC)
777 #define V4L2_STD_B	(V4L2_STD_PAL_B|V4L2_STD_PAL_B1|V4L2_STD_SECAM_B)
778 #define V4L2_STD_GH	(V4L2_STD_PAL_G|V4L2_STD_PAL_H|V4L2_STD_SECAM_G|V4L2_STD_SECAM_H)
779 #define V4L2_STD_DK	(V4L2_STD_PAL_DK|V4L2_STD_SECAM_DK)
780 
781 /* some common needed stuff */
782 #define V4L2_STD_PAL_BG		(V4L2_STD_PAL_B		|\
783 				 V4L2_STD_PAL_B1	|\
784 				 V4L2_STD_PAL_G)
785 #define V4L2_STD_PAL_DK		(V4L2_STD_PAL_D		|\
786 				 V4L2_STD_PAL_D1	|\
787 				 V4L2_STD_PAL_K)
788 #define V4L2_STD_PAL		(V4L2_STD_PAL_BG	|\
789 				 V4L2_STD_PAL_DK	|\
790 				 V4L2_STD_PAL_H		|\
791 				 V4L2_STD_PAL_I)
792 #define V4L2_STD_NTSC           (V4L2_STD_NTSC_M	|\
793 				 V4L2_STD_NTSC_M_JP     |\
794 				 V4L2_STD_NTSC_M_KR)
795 #define V4L2_STD_SECAM_DK      	(V4L2_STD_SECAM_D	|\
796 				 V4L2_STD_SECAM_K	|\
797 				 V4L2_STD_SECAM_K1)
798 #define V4L2_STD_SECAM		(V4L2_STD_SECAM_B	|\
799 				 V4L2_STD_SECAM_G	|\
800 				 V4L2_STD_SECAM_H	|\
801 				 V4L2_STD_SECAM_DK	|\
802 				 V4L2_STD_SECAM_L       |\
803 				 V4L2_STD_SECAM_LC)
804 
805 #define V4L2_STD_525_60		(V4L2_STD_PAL_M		|\
806 				 V4L2_STD_PAL_60	|\
807 				 V4L2_STD_NTSC		|\
808 				 V4L2_STD_NTSC_443)
809 #define V4L2_STD_625_50		(V4L2_STD_PAL		|\
810 				 V4L2_STD_PAL_N		|\
811 				 V4L2_STD_PAL_Nc	|\
812 				 V4L2_STD_SECAM)
813 #define V4L2_STD_ATSC           (V4L2_STD_ATSC_8_VSB    |\
814 				 V4L2_STD_ATSC_16_VSB)
815 
816 #define V4L2_STD_UNKNOWN        0
817 #define V4L2_STD_ALL            (V4L2_STD_525_60	|\
818 				 V4L2_STD_625_50)
819 
820 struct v4l2_standard {
821 	__u32		     index;
822 	v4l2_std_id          id;
823 	__u8		     name[24];
824 	struct v4l2_fract    frameperiod; /* Frames, not fields */
825 	__u32		     framelines;
826 	__u32		     reserved[4];
827 };
828 
829 /*
830  *	V I D E O	T I M I N G S	D V	P R E S E T
831  */
832 struct v4l2_dv_preset {
833 	__u32	preset;
834 	__u32	reserved[4];
835 };
836 
837 /*
838  *	D V	P R E S E T S	E N U M E R A T I O N
839  */
840 struct v4l2_dv_enum_preset {
841 	__u32	index;
842 	__u32	preset;
843 	__u8	name[32]; /* Name of the preset timing */
844 	__u32	width;
845 	__u32	height;
846 	__u32	reserved[4];
847 };
848 
849 /*
850  * 	D V	P R E S E T	V A L U E S
851  */
852 #define		V4L2_DV_INVALID		0
853 #define		V4L2_DV_480P59_94	1 /* BT.1362 */
854 #define		V4L2_DV_576P50		2 /* BT.1362 */
855 #define		V4L2_DV_720P24		3 /* SMPTE 296M */
856 #define		V4L2_DV_720P25		4 /* SMPTE 296M */
857 #define		V4L2_DV_720P30		5 /* SMPTE 296M */
858 #define		V4L2_DV_720P50		6 /* SMPTE 296M */
859 #define		V4L2_DV_720P59_94	7 /* SMPTE 274M */
860 #define		V4L2_DV_720P60		8 /* SMPTE 274M/296M */
861 #define		V4L2_DV_1080I29_97	9 /* BT.1120/ SMPTE 274M */
862 #define		V4L2_DV_1080I30		10 /* BT.1120/ SMPTE 274M */
863 #define		V4L2_DV_1080I25		11 /* BT.1120 */
864 #define		V4L2_DV_1080I50		12 /* SMPTE 296M */
865 #define		V4L2_DV_1080I60		13 /* SMPTE 296M */
866 #define		V4L2_DV_1080P24		14 /* SMPTE 296M */
867 #define		V4L2_DV_1080P25		15 /* SMPTE 296M */
868 #define		V4L2_DV_1080P30		16 /* SMPTE 296M */
869 #define		V4L2_DV_1080P50		17 /* BT.1120 */
870 #define		V4L2_DV_1080P60		18 /* BT.1120 */
871 
872 /*
873  *	D V 	B T	T I M I N G S
874  */
875 
876 /* BT.656/BT.1120 timing data */
877 struct v4l2_bt_timings {
878 	__u32	width;		/* width in pixels */
879 	__u32	height;		/* height in lines */
880 	__u32	interlaced;	/* Interlaced or progressive */
881 	__u32	polarities;	/* Positive or negative polarity */
882 	__u64	pixelclock;	/* Pixel clock in HZ. Ex. 74.25MHz->74250000 */
883 	__u32	hfrontporch;	/* Horizpontal front porch in pixels */
884 	__u32	hsync;		/* Horizontal Sync length in pixels */
885 	__u32	hbackporch;	/* Horizontal back porch in pixels */
886 	__u32	vfrontporch;	/* Vertical front porch in pixels */
887 	__u32	vsync;		/* Vertical Sync length in lines */
888 	__u32	vbackporch;	/* Vertical back porch in lines */
889 	__u32	il_vfrontporch;	/* Vertical front porch for bottom field of
890 				 * interlaced field formats
891 				 */
892 	__u32	il_vsync;	/* Vertical sync length for bottom field of
893 				 * interlaced field formats
894 				 */
895 	__u32	il_vbackporch;	/* Vertical back porch for bottom field of
896 				 * interlaced field formats
897 				 */
898 	__u32	reserved[16];
899 } __attribute__ ((packed));
900 
901 /* Interlaced or progressive format */
902 #define	V4L2_DV_PROGRESSIVE	0
903 #define	V4L2_DV_INTERLACED	1
904 
905 /* Polarities. If bit is not set, it is assumed to be negative polarity */
906 #define V4L2_DV_VSYNC_POS_POL	0x00000001
907 #define V4L2_DV_HSYNC_POS_POL	0x00000002
908 
909 
910 /* DV timings */
911 struct v4l2_dv_timings {
912 	__u32 type;
913 	union {
914 		struct v4l2_bt_timings	bt;
915 		__u32	reserved[32];
916 	};
917 } __attribute__ ((packed));
918 
919 /* Values for the type field */
920 #define V4L2_DV_BT_656_1120	0	/* BT.656/1120 timing type */
921 
922 /*
923  *	V I D E O   I N P U T S
924  */
925 struct v4l2_input {
926 	__u32	     index;		/*  Which input */
927 	__u8	     name[32];		/*  Label */
928 	__u32	     type;		/*  Type of input */
929 	__u32	     audioset;		/*  Associated audios (bitfield) */
930 	__u32        tuner;             /*  Associated tuner */
931 	v4l2_std_id  std;
932 	__u32	     status;
933 	__u32	     capabilities;
934 	__u32	     reserved[3];
935 };
936 
937 /*  Values for the 'type' field */
938 #define V4L2_INPUT_TYPE_TUNER		1
939 #define V4L2_INPUT_TYPE_CAMERA		2
940 
941 /* field 'status' - general */
942 #define V4L2_IN_ST_NO_POWER    0x00000001  /* Attached device is off */
943 #define V4L2_IN_ST_NO_SIGNAL   0x00000002
944 #define V4L2_IN_ST_NO_COLOR    0x00000004
945 
946 /* field 'status' - sensor orientation */
947 /* If sensor is mounted upside down set both bits */
948 #define V4L2_IN_ST_HFLIP       0x00000010 /* Frames are flipped horizontally */
949 #define V4L2_IN_ST_VFLIP       0x00000020 /* Frames are flipped vertically */
950 
951 /* field 'status' - analog */
952 #define V4L2_IN_ST_NO_H_LOCK   0x00000100  /* No horizontal sync lock */
953 #define V4L2_IN_ST_COLOR_KILL  0x00000200  /* Color killer is active */
954 
955 /* field 'status' - digital */
956 #define V4L2_IN_ST_NO_SYNC     0x00010000  /* No synchronization lock */
957 #define V4L2_IN_ST_NO_EQU      0x00020000  /* No equalizer lock */
958 #define V4L2_IN_ST_NO_CARRIER  0x00040000  /* Carrier recovery failed */
959 
960 /* field 'status' - VCR and set-top box */
961 #define V4L2_IN_ST_MACROVISION 0x01000000  /* Macrovision detected */
962 #define V4L2_IN_ST_NO_ACCESS   0x02000000  /* Conditional access denied */
963 #define V4L2_IN_ST_VTR         0x04000000  /* VTR time constant */
964 
965 /* capabilities flags */
966 #define V4L2_IN_CAP_PRESETS		0x00000001 /* Supports S_DV_PRESET */
967 #define V4L2_IN_CAP_CUSTOM_TIMINGS	0x00000002 /* Supports S_DV_TIMINGS */
968 #define V4L2_IN_CAP_STD			0x00000004 /* Supports S_STD */
969 
970 /*
971  *	V I D E O   O U T P U T S
972  */
973 struct v4l2_output {
974 	__u32	     index;		/*  Which output */
975 	__u8	     name[32];		/*  Label */
976 	__u32	     type;		/*  Type of output */
977 	__u32	     audioset;		/*  Associated audios (bitfield) */
978 	__u32	     modulator;         /*  Associated modulator */
979 	v4l2_std_id  std;
980 	__u32	     capabilities;
981 	__u32	     reserved[3];
982 };
983 /*  Values for the 'type' field */
984 #define V4L2_OUTPUT_TYPE_MODULATOR		1
985 #define V4L2_OUTPUT_TYPE_ANALOG			2
986 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY	3
987 
988 /* capabilities flags */
989 #define V4L2_OUT_CAP_PRESETS		0x00000001 /* Supports S_DV_PRESET */
990 #define V4L2_OUT_CAP_CUSTOM_TIMINGS	0x00000002 /* Supports S_DV_TIMINGS */
991 #define V4L2_OUT_CAP_STD		0x00000004 /* Supports S_STD */
992 
993 /*
994  *	C O N T R O L S
995  */
996 struct v4l2_control {
997 	__u32		     id;
998 	__s32		     value;
999 };
1000 
1001 struct v4l2_ext_control {
1002 	__u32 id;
1003 	__u32 size;
1004 	__u32 reserved2[1];
1005 	union {
1006 		__s32 value;
1007 		__s64 value64;
1008 		char *string;
1009 	};
1010 } __attribute__ ((packed));
1011 
1012 struct v4l2_ext_controls {
1013 	__u32 ctrl_class;
1014 	__u32 count;
1015 	__u32 error_idx;
1016 	__u32 reserved[2];
1017 	struct v4l2_ext_control *controls;
1018 };
1019 
1020 /*  Values for ctrl_class field */
1021 #define V4L2_CTRL_CLASS_USER 0x00980000	/* Old-style 'user' controls */
1022 #define V4L2_CTRL_CLASS_MPEG 0x00990000	/* MPEG-compression controls */
1023 #define V4L2_CTRL_CLASS_CAMERA 0x009a0000	/* Camera class controls */
1024 #define V4L2_CTRL_CLASS_FM_TX 0x009b0000	/* FM Modulator control class */
1025 
1026 #define V4L2_CTRL_ID_MASK      	  (0x0fffffff)
1027 #define V4L2_CTRL_ID2CLASS(id)    ((id) & 0x0fff0000UL)
1028 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
1029 
1030 enum v4l2_ctrl_type {
1031 	V4L2_CTRL_TYPE_INTEGER	     = 1,
1032 	V4L2_CTRL_TYPE_BOOLEAN	     = 2,
1033 	V4L2_CTRL_TYPE_MENU	     = 3,
1034 	V4L2_CTRL_TYPE_BUTTON	     = 4,
1035 	V4L2_CTRL_TYPE_INTEGER64     = 5,
1036 	V4L2_CTRL_TYPE_CTRL_CLASS    = 6,
1037 	V4L2_CTRL_TYPE_STRING        = 7,
1038 };
1039 
1040 /*  Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
1041 struct v4l2_queryctrl {
1042 	__u32		     id;
1043 	enum v4l2_ctrl_type  type;
1044 	__u8		     name[32];	/* Whatever */
1045 	__s32		     minimum;	/* Note signedness */
1046 	__s32		     maximum;
1047 	__s32		     step;
1048 	__s32		     default_value;
1049 	__u32                flags;
1050 	__u32		     reserved[2];
1051 };
1052 
1053 /*  Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
1054 struct v4l2_querymenu {
1055 	__u32		id;
1056 	__u32		index;
1057 	__u8		name[32];	/* Whatever */
1058 	__u32		reserved;
1059 };
1060 
1061 /*  Control flags  */
1062 #define V4L2_CTRL_FLAG_DISABLED		0x0001
1063 #define V4L2_CTRL_FLAG_GRABBED		0x0002
1064 #define V4L2_CTRL_FLAG_READ_ONLY 	0x0004
1065 #define V4L2_CTRL_FLAG_UPDATE 		0x0008
1066 #define V4L2_CTRL_FLAG_INACTIVE 	0x0010
1067 #define V4L2_CTRL_FLAG_SLIDER 		0x0020
1068 #define V4L2_CTRL_FLAG_WRITE_ONLY 	0x0040
1069 
1070 /*  Query flag, to be ORed with the control ID */
1071 #define V4L2_CTRL_FLAG_NEXT_CTRL	0x80000000
1072 
1073 /*  User-class control IDs defined by V4L2 */
1074 #define V4L2_CID_BASE			(V4L2_CTRL_CLASS_USER | 0x900)
1075 #define V4L2_CID_USER_BASE 		V4L2_CID_BASE
1076 /*  IDs reserved for driver specific controls */
1077 #define V4L2_CID_PRIVATE_BASE		0x08000000
1078 
1079 #define V4L2_CID_USER_CLASS 		(V4L2_CTRL_CLASS_USER | 1)
1080 #define V4L2_CID_BRIGHTNESS		(V4L2_CID_BASE+0)
1081 #define V4L2_CID_CONTRAST		(V4L2_CID_BASE+1)
1082 #define V4L2_CID_SATURATION		(V4L2_CID_BASE+2)
1083 #define V4L2_CID_HUE			(V4L2_CID_BASE+3)
1084 #define V4L2_CID_AUDIO_VOLUME		(V4L2_CID_BASE+5)
1085 #define V4L2_CID_AUDIO_BALANCE		(V4L2_CID_BASE+6)
1086 #define V4L2_CID_AUDIO_BASS		(V4L2_CID_BASE+7)
1087 #define V4L2_CID_AUDIO_TREBLE		(V4L2_CID_BASE+8)
1088 #define V4L2_CID_AUDIO_MUTE		(V4L2_CID_BASE+9)
1089 #define V4L2_CID_AUDIO_LOUDNESS		(V4L2_CID_BASE+10)
1090 #define V4L2_CID_BLACK_LEVEL		(V4L2_CID_BASE+11) /* Deprecated */
1091 #define V4L2_CID_AUTO_WHITE_BALANCE	(V4L2_CID_BASE+12)
1092 #define V4L2_CID_DO_WHITE_BALANCE	(V4L2_CID_BASE+13)
1093 #define V4L2_CID_RED_BALANCE		(V4L2_CID_BASE+14)
1094 #define V4L2_CID_BLUE_BALANCE		(V4L2_CID_BASE+15)
1095 #define V4L2_CID_GAMMA			(V4L2_CID_BASE+16)
1096 #define V4L2_CID_WHITENESS		(V4L2_CID_GAMMA) /* Deprecated */
1097 #define V4L2_CID_EXPOSURE		(V4L2_CID_BASE+17)
1098 #define V4L2_CID_AUTOGAIN		(V4L2_CID_BASE+18)
1099 #define V4L2_CID_GAIN			(V4L2_CID_BASE+19)
1100 #define V4L2_CID_HFLIP			(V4L2_CID_BASE+20)
1101 #define V4L2_CID_VFLIP			(V4L2_CID_BASE+21)
1102 
1103 /* Deprecated; use V4L2_CID_PAN_RESET and V4L2_CID_TILT_RESET */
1104 #define V4L2_CID_HCENTER		(V4L2_CID_BASE+22)
1105 #define V4L2_CID_VCENTER		(V4L2_CID_BASE+23)
1106 
1107 #define V4L2_CID_POWER_LINE_FREQUENCY	(V4L2_CID_BASE+24)
1108 enum v4l2_power_line_frequency {
1109 	V4L2_CID_POWER_LINE_FREQUENCY_DISABLED	= 0,
1110 	V4L2_CID_POWER_LINE_FREQUENCY_50HZ	= 1,
1111 	V4L2_CID_POWER_LINE_FREQUENCY_60HZ	= 2,
1112 };
1113 #define V4L2_CID_HUE_AUTO			(V4L2_CID_BASE+25)
1114 #define V4L2_CID_WHITE_BALANCE_TEMPERATURE	(V4L2_CID_BASE+26)
1115 #define V4L2_CID_SHARPNESS			(V4L2_CID_BASE+27)
1116 #define V4L2_CID_BACKLIGHT_COMPENSATION 	(V4L2_CID_BASE+28)
1117 #define V4L2_CID_CHROMA_AGC                     (V4L2_CID_BASE+29)
1118 #define V4L2_CID_COLOR_KILLER                   (V4L2_CID_BASE+30)
1119 #define V4L2_CID_COLORFX			(V4L2_CID_BASE+31)
1120 enum v4l2_colorfx {
1121 	V4L2_COLORFX_NONE	= 0,
1122 	V4L2_COLORFX_BW		= 1,
1123 	V4L2_COLORFX_SEPIA	= 2,
1124 	V4L2_COLORFX_NEGATIVE = 3,
1125 	V4L2_COLORFX_EMBOSS = 4,
1126 	V4L2_COLORFX_SKETCH = 5,
1127 	V4L2_COLORFX_SKY_BLUE = 6,
1128 	V4L2_COLORFX_GRASS_GREEN = 7,
1129 	V4L2_COLORFX_SKIN_WHITEN = 8,
1130 	V4L2_COLORFX_VIVID = 9,
1131 };
1132 #define V4L2_CID_AUTOBRIGHTNESS			(V4L2_CID_BASE+32)
1133 #define V4L2_CID_BAND_STOP_FILTER		(V4L2_CID_BASE+33)
1134 
1135 #define V4L2_CID_ROTATE				(V4L2_CID_BASE+34)
1136 #define V4L2_CID_BG_COLOR			(V4L2_CID_BASE+35)
1137 
1138 #define V4L2_CID_CHROMA_GAIN                    (V4L2_CID_BASE+36)
1139 
1140 #define V4L2_CID_ILLUMINATORS_1			(V4L2_CID_BASE+37)
1141 #define V4L2_CID_ILLUMINATORS_2			(V4L2_CID_BASE+38)
1142 
1143 /* last CID + 1 */
1144 #define V4L2_CID_LASTP1                         (V4L2_CID_BASE+39)
1145 
1146 /*  MPEG-class control IDs defined by V4L2 */
1147 #define V4L2_CID_MPEG_BASE 			(V4L2_CTRL_CLASS_MPEG | 0x900)
1148 #define V4L2_CID_MPEG_CLASS 			(V4L2_CTRL_CLASS_MPEG | 1)
1149 
1150 /*  MPEG streams */
1151 #define V4L2_CID_MPEG_STREAM_TYPE 		(V4L2_CID_MPEG_BASE+0)
1152 enum v4l2_mpeg_stream_type {
1153 	V4L2_MPEG_STREAM_TYPE_MPEG2_PS   = 0, /* MPEG-2 program stream */
1154 	V4L2_MPEG_STREAM_TYPE_MPEG2_TS   = 1, /* MPEG-2 transport stream */
1155 	V4L2_MPEG_STREAM_TYPE_MPEG1_SS   = 2, /* MPEG-1 system stream */
1156 	V4L2_MPEG_STREAM_TYPE_MPEG2_DVD  = 3, /* MPEG-2 DVD-compatible stream */
1157 	V4L2_MPEG_STREAM_TYPE_MPEG1_VCD  = 4, /* MPEG-1 VCD-compatible stream */
1158 	V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD = 5, /* MPEG-2 SVCD-compatible stream */
1159 };
1160 #define V4L2_CID_MPEG_STREAM_PID_PMT 		(V4L2_CID_MPEG_BASE+1)
1161 #define V4L2_CID_MPEG_STREAM_PID_AUDIO 		(V4L2_CID_MPEG_BASE+2)
1162 #define V4L2_CID_MPEG_STREAM_PID_VIDEO 		(V4L2_CID_MPEG_BASE+3)
1163 #define V4L2_CID_MPEG_STREAM_PID_PCR 		(V4L2_CID_MPEG_BASE+4)
1164 #define V4L2_CID_MPEG_STREAM_PES_ID_AUDIO 	(V4L2_CID_MPEG_BASE+5)
1165 #define V4L2_CID_MPEG_STREAM_PES_ID_VIDEO 	(V4L2_CID_MPEG_BASE+6)
1166 #define V4L2_CID_MPEG_STREAM_VBI_FMT 		(V4L2_CID_MPEG_BASE+7)
1167 enum v4l2_mpeg_stream_vbi_fmt {
1168 	V4L2_MPEG_STREAM_VBI_FMT_NONE = 0,  /* No VBI in the MPEG stream */
1169 	V4L2_MPEG_STREAM_VBI_FMT_IVTV = 1,  /* VBI in private packets, IVTV format */
1170 };
1171 
1172 /*  MPEG audio */
1173 #define V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ 	(V4L2_CID_MPEG_BASE+100)
1174 enum v4l2_mpeg_audio_sampling_freq {
1175 	V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100 = 0,
1176 	V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000 = 1,
1177 	V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000 = 2,
1178 };
1179 #define V4L2_CID_MPEG_AUDIO_ENCODING 		(V4L2_CID_MPEG_BASE+101)
1180 enum v4l2_mpeg_audio_encoding {
1181 	V4L2_MPEG_AUDIO_ENCODING_LAYER_1 = 0,
1182 	V4L2_MPEG_AUDIO_ENCODING_LAYER_2 = 1,
1183 	V4L2_MPEG_AUDIO_ENCODING_LAYER_3 = 2,
1184 	V4L2_MPEG_AUDIO_ENCODING_AAC     = 3,
1185 	V4L2_MPEG_AUDIO_ENCODING_AC3     = 4,
1186 };
1187 #define V4L2_CID_MPEG_AUDIO_L1_BITRATE 		(V4L2_CID_MPEG_BASE+102)
1188 enum v4l2_mpeg_audio_l1_bitrate {
1189 	V4L2_MPEG_AUDIO_L1_BITRATE_32K  = 0,
1190 	V4L2_MPEG_AUDIO_L1_BITRATE_64K  = 1,
1191 	V4L2_MPEG_AUDIO_L1_BITRATE_96K  = 2,
1192 	V4L2_MPEG_AUDIO_L1_BITRATE_128K = 3,
1193 	V4L2_MPEG_AUDIO_L1_BITRATE_160K = 4,
1194 	V4L2_MPEG_AUDIO_L1_BITRATE_192K = 5,
1195 	V4L2_MPEG_AUDIO_L1_BITRATE_224K = 6,
1196 	V4L2_MPEG_AUDIO_L1_BITRATE_256K = 7,
1197 	V4L2_MPEG_AUDIO_L1_BITRATE_288K = 8,
1198 	V4L2_MPEG_AUDIO_L1_BITRATE_320K = 9,
1199 	V4L2_MPEG_AUDIO_L1_BITRATE_352K = 10,
1200 	V4L2_MPEG_AUDIO_L1_BITRATE_384K = 11,
1201 	V4L2_MPEG_AUDIO_L1_BITRATE_416K = 12,
1202 	V4L2_MPEG_AUDIO_L1_BITRATE_448K = 13,
1203 };
1204 #define V4L2_CID_MPEG_AUDIO_L2_BITRATE 		(V4L2_CID_MPEG_BASE+103)
1205 enum v4l2_mpeg_audio_l2_bitrate {
1206 	V4L2_MPEG_AUDIO_L2_BITRATE_32K  = 0,
1207 	V4L2_MPEG_AUDIO_L2_BITRATE_48K  = 1,
1208 	V4L2_MPEG_AUDIO_L2_BITRATE_56K  = 2,
1209 	V4L2_MPEG_AUDIO_L2_BITRATE_64K  = 3,
1210 	V4L2_MPEG_AUDIO_L2_BITRATE_80K  = 4,
1211 	V4L2_MPEG_AUDIO_L2_BITRATE_96K  = 5,
1212 	V4L2_MPEG_AUDIO_L2_BITRATE_112K = 6,
1213 	V4L2_MPEG_AUDIO_L2_BITRATE_128K = 7,
1214 	V4L2_MPEG_AUDIO_L2_BITRATE_160K = 8,
1215 	V4L2_MPEG_AUDIO_L2_BITRATE_192K = 9,
1216 	V4L2_MPEG_AUDIO_L2_BITRATE_224K = 10,
1217 	V4L2_MPEG_AUDIO_L2_BITRATE_256K = 11,
1218 	V4L2_MPEG_AUDIO_L2_BITRATE_320K = 12,
1219 	V4L2_MPEG_AUDIO_L2_BITRATE_384K = 13,
1220 };
1221 #define V4L2_CID_MPEG_AUDIO_L3_BITRATE 		(V4L2_CID_MPEG_BASE+104)
1222 enum v4l2_mpeg_audio_l3_bitrate {
1223 	V4L2_MPEG_AUDIO_L3_BITRATE_32K  = 0,
1224 	V4L2_MPEG_AUDIO_L3_BITRATE_40K  = 1,
1225 	V4L2_MPEG_AUDIO_L3_BITRATE_48K  = 2,
1226 	V4L2_MPEG_AUDIO_L3_BITRATE_56K  = 3,
1227 	V4L2_MPEG_AUDIO_L3_BITRATE_64K  = 4,
1228 	V4L2_MPEG_AUDIO_L3_BITRATE_80K  = 5,
1229 	V4L2_MPEG_AUDIO_L3_BITRATE_96K  = 6,
1230 	V4L2_MPEG_AUDIO_L3_BITRATE_112K = 7,
1231 	V4L2_MPEG_AUDIO_L3_BITRATE_128K = 8,
1232 	V4L2_MPEG_AUDIO_L3_BITRATE_160K = 9,
1233 	V4L2_MPEG_AUDIO_L3_BITRATE_192K = 10,
1234 	V4L2_MPEG_AUDIO_L3_BITRATE_224K = 11,
1235 	V4L2_MPEG_AUDIO_L3_BITRATE_256K = 12,
1236 	V4L2_MPEG_AUDIO_L3_BITRATE_320K = 13,
1237 };
1238 #define V4L2_CID_MPEG_AUDIO_MODE 		(V4L2_CID_MPEG_BASE+105)
1239 enum v4l2_mpeg_audio_mode {
1240 	V4L2_MPEG_AUDIO_MODE_STEREO       = 0,
1241 	V4L2_MPEG_AUDIO_MODE_JOINT_STEREO = 1,
1242 	V4L2_MPEG_AUDIO_MODE_DUAL         = 2,
1243 	V4L2_MPEG_AUDIO_MODE_MONO         = 3,
1244 };
1245 #define V4L2_CID_MPEG_AUDIO_MODE_EXTENSION 	(V4L2_CID_MPEG_BASE+106)
1246 enum v4l2_mpeg_audio_mode_extension {
1247 	V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4  = 0,
1248 	V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_8  = 1,
1249 	V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_12 = 2,
1250 	V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16 = 3,
1251 };
1252 #define V4L2_CID_MPEG_AUDIO_EMPHASIS 		(V4L2_CID_MPEG_BASE+107)
1253 enum v4l2_mpeg_audio_emphasis {
1254 	V4L2_MPEG_AUDIO_EMPHASIS_NONE         = 0,
1255 	V4L2_MPEG_AUDIO_EMPHASIS_50_DIV_15_uS = 1,
1256 	V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17    = 2,
1257 };
1258 #define V4L2_CID_MPEG_AUDIO_CRC 		(V4L2_CID_MPEG_BASE+108)
1259 enum v4l2_mpeg_audio_crc {
1260 	V4L2_MPEG_AUDIO_CRC_NONE  = 0,
1261 	V4L2_MPEG_AUDIO_CRC_CRC16 = 1,
1262 };
1263 #define V4L2_CID_MPEG_AUDIO_MUTE 		(V4L2_CID_MPEG_BASE+109)
1264 #define V4L2_CID_MPEG_AUDIO_AAC_BITRATE		(V4L2_CID_MPEG_BASE+110)
1265 #define V4L2_CID_MPEG_AUDIO_AC3_BITRATE		(V4L2_CID_MPEG_BASE+111)
1266 enum v4l2_mpeg_audio_ac3_bitrate {
1267 	V4L2_MPEG_AUDIO_AC3_BITRATE_32K  = 0,
1268 	V4L2_MPEG_AUDIO_AC3_BITRATE_40K  = 1,
1269 	V4L2_MPEG_AUDIO_AC3_BITRATE_48K  = 2,
1270 	V4L2_MPEG_AUDIO_AC3_BITRATE_56K  = 3,
1271 	V4L2_MPEG_AUDIO_AC3_BITRATE_64K  = 4,
1272 	V4L2_MPEG_AUDIO_AC3_BITRATE_80K  = 5,
1273 	V4L2_MPEG_AUDIO_AC3_BITRATE_96K  = 6,
1274 	V4L2_MPEG_AUDIO_AC3_BITRATE_112K = 7,
1275 	V4L2_MPEG_AUDIO_AC3_BITRATE_128K = 8,
1276 	V4L2_MPEG_AUDIO_AC3_BITRATE_160K = 9,
1277 	V4L2_MPEG_AUDIO_AC3_BITRATE_192K = 10,
1278 	V4L2_MPEG_AUDIO_AC3_BITRATE_224K = 11,
1279 	V4L2_MPEG_AUDIO_AC3_BITRATE_256K = 12,
1280 	V4L2_MPEG_AUDIO_AC3_BITRATE_320K = 13,
1281 	V4L2_MPEG_AUDIO_AC3_BITRATE_384K = 14,
1282 	V4L2_MPEG_AUDIO_AC3_BITRATE_448K = 15,
1283 	V4L2_MPEG_AUDIO_AC3_BITRATE_512K = 16,
1284 	V4L2_MPEG_AUDIO_AC3_BITRATE_576K = 17,
1285 	V4L2_MPEG_AUDIO_AC3_BITRATE_640K = 18,
1286 };
1287 
1288 /*  MPEG video */
1289 #define V4L2_CID_MPEG_VIDEO_ENCODING 		(V4L2_CID_MPEG_BASE+200)
1290 enum v4l2_mpeg_video_encoding {
1291 	V4L2_MPEG_VIDEO_ENCODING_MPEG_1     = 0,
1292 	V4L2_MPEG_VIDEO_ENCODING_MPEG_2     = 1,
1293 	V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC = 2,
1294 };
1295 #define V4L2_CID_MPEG_VIDEO_ASPECT 		(V4L2_CID_MPEG_BASE+201)
1296 enum v4l2_mpeg_video_aspect {
1297 	V4L2_MPEG_VIDEO_ASPECT_1x1     = 0,
1298 	V4L2_MPEG_VIDEO_ASPECT_4x3     = 1,
1299 	V4L2_MPEG_VIDEO_ASPECT_16x9    = 2,
1300 	V4L2_MPEG_VIDEO_ASPECT_221x100 = 3,
1301 };
1302 #define V4L2_CID_MPEG_VIDEO_B_FRAMES 		(V4L2_CID_MPEG_BASE+202)
1303 #define V4L2_CID_MPEG_VIDEO_GOP_SIZE 		(V4L2_CID_MPEG_BASE+203)
1304 #define V4L2_CID_MPEG_VIDEO_GOP_CLOSURE 	(V4L2_CID_MPEG_BASE+204)
1305 #define V4L2_CID_MPEG_VIDEO_PULLDOWN 		(V4L2_CID_MPEG_BASE+205)
1306 #define V4L2_CID_MPEG_VIDEO_BITRATE_MODE 	(V4L2_CID_MPEG_BASE+206)
1307 enum v4l2_mpeg_video_bitrate_mode {
1308 	V4L2_MPEG_VIDEO_BITRATE_MODE_VBR = 0,
1309 	V4L2_MPEG_VIDEO_BITRATE_MODE_CBR = 1,
1310 };
1311 #define V4L2_CID_MPEG_VIDEO_BITRATE 		(V4L2_CID_MPEG_BASE+207)
1312 #define V4L2_CID_MPEG_VIDEO_BITRATE_PEAK 	(V4L2_CID_MPEG_BASE+208)
1313 #define V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION (V4L2_CID_MPEG_BASE+209)
1314 #define V4L2_CID_MPEG_VIDEO_MUTE 		(V4L2_CID_MPEG_BASE+210)
1315 #define V4L2_CID_MPEG_VIDEO_MUTE_YUV 		(V4L2_CID_MPEG_BASE+211)
1316 
1317 /*  MPEG-class control IDs specific to the CX2341x driver as defined by V4L2 */
1318 #define V4L2_CID_MPEG_CX2341X_BASE 				(V4L2_CTRL_CLASS_MPEG | 0x1000)
1319 #define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE 	(V4L2_CID_MPEG_CX2341X_BASE+0)
1320 enum v4l2_mpeg_cx2341x_video_spatial_filter_mode {
1321 	V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL = 0,
1322 	V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO   = 1,
1323 };
1324 #define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER 		(V4L2_CID_MPEG_CX2341X_BASE+1)
1325 #define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE 	(V4L2_CID_MPEG_CX2341X_BASE+2)
1326 enum v4l2_mpeg_cx2341x_video_luma_spatial_filter_type {
1327 	V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_OFF                  = 0,
1328 	V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_HOR               = 1,
1329 	V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_VERT              = 2,
1330 	V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_HV_SEPARABLE      = 3,
1331 	V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_SYM_NON_SEPARABLE = 4,
1332 };
1333 #define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE 	(V4L2_CID_MPEG_CX2341X_BASE+3)
1334 enum v4l2_mpeg_cx2341x_video_chroma_spatial_filter_type {
1335 	V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_OFF    = 0,
1336 	V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR = 1,
1337 };
1338 #define V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE 	(V4L2_CID_MPEG_CX2341X_BASE+4)
1339 enum v4l2_mpeg_cx2341x_video_temporal_filter_mode {
1340 	V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL = 0,
1341 	V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO   = 1,
1342 };
1343 #define V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER 		(V4L2_CID_MPEG_CX2341X_BASE+5)
1344 #define V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE 		(V4L2_CID_MPEG_CX2341X_BASE+6)
1345 enum v4l2_mpeg_cx2341x_video_median_filter_type {
1346 	V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF      = 0,
1347 	V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR      = 1,
1348 	V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_VERT     = 2,
1349 	V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR_VERT = 3,
1350 	V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_DIAG     = 4,
1351 };
1352 #define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM 	(V4L2_CID_MPEG_CX2341X_BASE+7)
1353 #define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP 	(V4L2_CID_MPEG_CX2341X_BASE+8)
1354 #define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM	(V4L2_CID_MPEG_CX2341X_BASE+9)
1355 #define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP 	(V4L2_CID_MPEG_CX2341X_BASE+10)
1356 #define V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS 	(V4L2_CID_MPEG_CX2341X_BASE+11)
1357 
1358 /*  Camera class control IDs */
1359 #define V4L2_CID_CAMERA_CLASS_BASE 	(V4L2_CTRL_CLASS_CAMERA | 0x900)
1360 #define V4L2_CID_CAMERA_CLASS 		(V4L2_CTRL_CLASS_CAMERA | 1)
1361 
1362 #define V4L2_CID_EXPOSURE_AUTO			(V4L2_CID_CAMERA_CLASS_BASE+1)
1363 enum  v4l2_exposure_auto_type {
1364 	V4L2_EXPOSURE_AUTO = 0,
1365 	V4L2_EXPOSURE_MANUAL = 1,
1366 	V4L2_EXPOSURE_SHUTTER_PRIORITY = 2,
1367 	V4L2_EXPOSURE_APERTURE_PRIORITY = 3
1368 };
1369 #define V4L2_CID_EXPOSURE_ABSOLUTE		(V4L2_CID_CAMERA_CLASS_BASE+2)
1370 #define V4L2_CID_EXPOSURE_AUTO_PRIORITY		(V4L2_CID_CAMERA_CLASS_BASE+3)
1371 
1372 #define V4L2_CID_PAN_RELATIVE			(V4L2_CID_CAMERA_CLASS_BASE+4)
1373 #define V4L2_CID_TILT_RELATIVE			(V4L2_CID_CAMERA_CLASS_BASE+5)
1374 #define V4L2_CID_PAN_RESET			(V4L2_CID_CAMERA_CLASS_BASE+6)
1375 #define V4L2_CID_TILT_RESET			(V4L2_CID_CAMERA_CLASS_BASE+7)
1376 
1377 #define V4L2_CID_PAN_ABSOLUTE			(V4L2_CID_CAMERA_CLASS_BASE+8)
1378 #define V4L2_CID_TILT_ABSOLUTE			(V4L2_CID_CAMERA_CLASS_BASE+9)
1379 
1380 #define V4L2_CID_FOCUS_ABSOLUTE			(V4L2_CID_CAMERA_CLASS_BASE+10)
1381 #define V4L2_CID_FOCUS_RELATIVE			(V4L2_CID_CAMERA_CLASS_BASE+11)
1382 #define V4L2_CID_FOCUS_AUTO			(V4L2_CID_CAMERA_CLASS_BASE+12)
1383 
1384 #define V4L2_CID_ZOOM_ABSOLUTE			(V4L2_CID_CAMERA_CLASS_BASE+13)
1385 #define V4L2_CID_ZOOM_RELATIVE			(V4L2_CID_CAMERA_CLASS_BASE+14)
1386 #define V4L2_CID_ZOOM_CONTINUOUS		(V4L2_CID_CAMERA_CLASS_BASE+15)
1387 
1388 #define V4L2_CID_PRIVACY			(V4L2_CID_CAMERA_CLASS_BASE+16)
1389 
1390 #define V4L2_CID_IRIS_ABSOLUTE			(V4L2_CID_CAMERA_CLASS_BASE+17)
1391 #define V4L2_CID_IRIS_RELATIVE			(V4L2_CID_CAMERA_CLASS_BASE+18)
1392 
1393 /* FM Modulator class control IDs */
1394 #define V4L2_CID_FM_TX_CLASS_BASE		(V4L2_CTRL_CLASS_FM_TX | 0x900)
1395 #define V4L2_CID_FM_TX_CLASS			(V4L2_CTRL_CLASS_FM_TX | 1)
1396 
1397 #define V4L2_CID_RDS_TX_DEVIATION		(V4L2_CID_FM_TX_CLASS_BASE + 1)
1398 #define V4L2_CID_RDS_TX_PI			(V4L2_CID_FM_TX_CLASS_BASE + 2)
1399 #define V4L2_CID_RDS_TX_PTY			(V4L2_CID_FM_TX_CLASS_BASE + 3)
1400 #define V4L2_CID_RDS_TX_PS_NAME			(V4L2_CID_FM_TX_CLASS_BASE + 5)
1401 #define V4L2_CID_RDS_TX_RADIO_TEXT		(V4L2_CID_FM_TX_CLASS_BASE + 6)
1402 
1403 #define V4L2_CID_AUDIO_LIMITER_ENABLED		(V4L2_CID_FM_TX_CLASS_BASE + 64)
1404 #define V4L2_CID_AUDIO_LIMITER_RELEASE_TIME	(V4L2_CID_FM_TX_CLASS_BASE + 65)
1405 #define V4L2_CID_AUDIO_LIMITER_DEVIATION	(V4L2_CID_FM_TX_CLASS_BASE + 66)
1406 
1407 #define V4L2_CID_AUDIO_COMPRESSION_ENABLED	(V4L2_CID_FM_TX_CLASS_BASE + 80)
1408 #define V4L2_CID_AUDIO_COMPRESSION_GAIN		(V4L2_CID_FM_TX_CLASS_BASE + 81)
1409 #define V4L2_CID_AUDIO_COMPRESSION_THRESHOLD	(V4L2_CID_FM_TX_CLASS_BASE + 82)
1410 #define V4L2_CID_AUDIO_COMPRESSION_ATTACK_TIME	(V4L2_CID_FM_TX_CLASS_BASE + 83)
1411 #define V4L2_CID_AUDIO_COMPRESSION_RELEASE_TIME	(V4L2_CID_FM_TX_CLASS_BASE + 84)
1412 
1413 #define V4L2_CID_PILOT_TONE_ENABLED		(V4L2_CID_FM_TX_CLASS_BASE + 96)
1414 #define V4L2_CID_PILOT_TONE_DEVIATION		(V4L2_CID_FM_TX_CLASS_BASE + 97)
1415 #define V4L2_CID_PILOT_TONE_FREQUENCY		(V4L2_CID_FM_TX_CLASS_BASE + 98)
1416 
1417 #define V4L2_CID_TUNE_PREEMPHASIS		(V4L2_CID_FM_TX_CLASS_BASE + 112)
1418 enum v4l2_preemphasis {
1419 	V4L2_PREEMPHASIS_DISABLED	= 0,
1420 	V4L2_PREEMPHASIS_50_uS		= 1,
1421 	V4L2_PREEMPHASIS_75_uS		= 2,
1422 };
1423 #define V4L2_CID_TUNE_POWER_LEVEL		(V4L2_CID_FM_TX_CLASS_BASE + 113)
1424 #define V4L2_CID_TUNE_ANTENNA_CAPACITOR		(V4L2_CID_FM_TX_CLASS_BASE + 114)
1425 
1426 /*
1427  *	T U N I N G
1428  */
1429 struct v4l2_tuner {
1430 	__u32                   index;
1431 	__u8			name[32];
1432 	enum v4l2_tuner_type    type;
1433 	__u32			capability;
1434 	__u32			rangelow;
1435 	__u32			rangehigh;
1436 	__u32			rxsubchans;
1437 	__u32			audmode;
1438 	__s32			signal;
1439 	__s32			afc;
1440 	__u32			reserved[4];
1441 };
1442 
1443 struct v4l2_modulator {
1444 	__u32			index;
1445 	__u8			name[32];
1446 	__u32			capability;
1447 	__u32			rangelow;
1448 	__u32			rangehigh;
1449 	__u32			txsubchans;
1450 	__u32			reserved[4];
1451 };
1452 
1453 /*  Flags for the 'capability' field */
1454 #define V4L2_TUNER_CAP_LOW		0x0001
1455 #define V4L2_TUNER_CAP_NORM		0x0002
1456 #define V4L2_TUNER_CAP_STEREO		0x0010
1457 #define V4L2_TUNER_CAP_LANG2		0x0020
1458 #define V4L2_TUNER_CAP_SAP		0x0020
1459 #define V4L2_TUNER_CAP_LANG1		0x0040
1460 #define V4L2_TUNER_CAP_RDS		0x0080
1461 #define V4L2_TUNER_CAP_RDS_BLOCK_IO	0x0100
1462 #define V4L2_TUNER_CAP_RDS_CONTROLS	0x0200
1463 
1464 /*  Flags for the 'rxsubchans' field */
1465 #define V4L2_TUNER_SUB_MONO		0x0001
1466 #define V4L2_TUNER_SUB_STEREO		0x0002
1467 #define V4L2_TUNER_SUB_LANG2		0x0004
1468 #define V4L2_TUNER_SUB_SAP		0x0004
1469 #define V4L2_TUNER_SUB_LANG1		0x0008
1470 #define V4L2_TUNER_SUB_RDS		0x0010
1471 
1472 /*  Values for the 'audmode' field */
1473 #define V4L2_TUNER_MODE_MONO		0x0000
1474 #define V4L2_TUNER_MODE_STEREO		0x0001
1475 #define V4L2_TUNER_MODE_LANG2		0x0002
1476 #define V4L2_TUNER_MODE_SAP		0x0002
1477 #define V4L2_TUNER_MODE_LANG1		0x0003
1478 #define V4L2_TUNER_MODE_LANG1_LANG2	0x0004
1479 
1480 struct v4l2_frequency {
1481 	__u32		      tuner;
1482 	enum v4l2_tuner_type  type;
1483 	__u32		      frequency;
1484 	__u32		      reserved[8];
1485 };
1486 
1487 struct v4l2_hw_freq_seek {
1488 	__u32		      tuner;
1489 	enum v4l2_tuner_type  type;
1490 	__u32		      seek_upward;
1491 	__u32		      wrap_around;
1492 	__u32		      spacing;
1493 	__u32		      reserved[7];
1494 };
1495 
1496 /*
1497  *	R D S
1498  */
1499 
1500 struct v4l2_rds_data {
1501 	__u8 	lsb;
1502 	__u8 	msb;
1503 	__u8 	block;
1504 } __attribute__ ((packed));
1505 
1506 #define V4L2_RDS_BLOCK_MSK 	 0x7
1507 #define V4L2_RDS_BLOCK_A 	 0
1508 #define V4L2_RDS_BLOCK_B 	 1
1509 #define V4L2_RDS_BLOCK_C 	 2
1510 #define V4L2_RDS_BLOCK_D 	 3
1511 #define V4L2_RDS_BLOCK_C_ALT 	 4
1512 #define V4L2_RDS_BLOCK_INVALID 	 7
1513 
1514 #define V4L2_RDS_BLOCK_CORRECTED 0x40
1515 #define V4L2_RDS_BLOCK_ERROR 	 0x80
1516 
1517 /*
1518  *	A U D I O
1519  */
1520 struct v4l2_audio {
1521 	__u32	index;
1522 	__u8	name[32];
1523 	__u32	capability;
1524 	__u32	mode;
1525 	__u32	reserved[2];
1526 };
1527 
1528 /*  Flags for the 'capability' field */
1529 #define V4L2_AUDCAP_STEREO		0x00001
1530 #define V4L2_AUDCAP_AVL			0x00002
1531 
1532 /*  Flags for the 'mode' field */
1533 #define V4L2_AUDMODE_AVL		0x00001
1534 
1535 struct v4l2_audioout {
1536 	__u32	index;
1537 	__u8	name[32];
1538 	__u32	capability;
1539 	__u32	mode;
1540 	__u32	reserved[2];
1541 };
1542 
1543 /*
1544  *	M P E G   S E R V I C E S
1545  *
1546  *	NOTE: EXPERIMENTAL API
1547  */
1548 #if 1
1549 #define V4L2_ENC_IDX_FRAME_I    (0)
1550 #define V4L2_ENC_IDX_FRAME_P    (1)
1551 #define V4L2_ENC_IDX_FRAME_B    (2)
1552 #define V4L2_ENC_IDX_FRAME_MASK (0xf)
1553 
1554 struct v4l2_enc_idx_entry {
1555 	__u64 offset;
1556 	__u64 pts;
1557 	__u32 length;
1558 	__u32 flags;
1559 	__u32 reserved[2];
1560 };
1561 
1562 #define V4L2_ENC_IDX_ENTRIES (64)
1563 struct v4l2_enc_idx {
1564 	__u32 entries;
1565 	__u32 entries_cap;
1566 	__u32 reserved[4];
1567 	struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
1568 };
1569 
1570 
1571 #define V4L2_ENC_CMD_START      (0)
1572 #define V4L2_ENC_CMD_STOP       (1)
1573 #define V4L2_ENC_CMD_PAUSE      (2)
1574 #define V4L2_ENC_CMD_RESUME     (3)
1575 
1576 /* Flags for V4L2_ENC_CMD_STOP */
1577 #define V4L2_ENC_CMD_STOP_AT_GOP_END    (1 << 0)
1578 
1579 struct v4l2_encoder_cmd {
1580 	__u32 cmd;
1581 	__u32 flags;
1582 	union {
1583 		struct {
1584 			__u32 data[8];
1585 		} raw;
1586 	};
1587 };
1588 
1589 #endif
1590 
1591 
1592 /*
1593  *	D A T A   S E R V I C E S   ( V B I )
1594  *
1595  *	Data services API by Michael Schimek
1596  */
1597 
1598 /* Raw VBI */
1599 struct v4l2_vbi_format {
1600 	__u32	sampling_rate;		/* in 1 Hz */
1601 	__u32	offset;
1602 	__u32	samples_per_line;
1603 	__u32	sample_format;		/* V4L2_PIX_FMT_* */
1604 	__s32	start[2];
1605 	__u32	count[2];
1606 	__u32	flags;			/* V4L2_VBI_* */
1607 	__u32	reserved[2];		/* must be zero */
1608 };
1609 
1610 /*  VBI flags  */
1611 #define V4L2_VBI_UNSYNC		(1 << 0)
1612 #define V4L2_VBI_INTERLACED	(1 << 1)
1613 
1614 /* Sliced VBI
1615  *
1616  *    This implements is a proposal V4L2 API to allow SLICED VBI
1617  * required for some hardware encoders. It should change without
1618  * notice in the definitive implementation.
1619  */
1620 
1621 struct v4l2_sliced_vbi_format {
1622 	__u16   service_set;
1623 	/* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
1624 	   service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
1625 				 (equals frame lines 313-336 for 625 line video
1626 				  standards, 263-286 for 525 line standards) */
1627 	__u16   service_lines[2][24];
1628 	__u32   io_size;
1629 	__u32   reserved[2];            /* must be zero */
1630 };
1631 
1632 /* Teletext World System Teletext
1633    (WST), defined on ITU-R BT.653-2 */
1634 #define V4L2_SLICED_TELETEXT_B          (0x0001)
1635 /* Video Program System, defined on ETS 300 231*/
1636 #define V4L2_SLICED_VPS                 (0x0400)
1637 /* Closed Caption, defined on EIA-608 */
1638 #define V4L2_SLICED_CAPTION_525         (0x1000)
1639 /* Wide Screen System, defined on ITU-R BT1119.1 */
1640 #define V4L2_SLICED_WSS_625             (0x4000)
1641 
1642 #define V4L2_SLICED_VBI_525             (V4L2_SLICED_CAPTION_525)
1643 #define V4L2_SLICED_VBI_625             (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
1644 
1645 struct v4l2_sliced_vbi_cap {
1646 	__u16   service_set;
1647 	/* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
1648 	   service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
1649 				 (equals frame lines 313-336 for 625 line video
1650 				  standards, 263-286 for 525 line standards) */
1651 	__u16   service_lines[2][24];
1652 	enum v4l2_buf_type type;
1653 	__u32   reserved[3];    /* must be 0 */
1654 };
1655 
1656 struct v4l2_sliced_vbi_data {
1657 	__u32   id;
1658 	__u32   field;          /* 0: first field, 1: second field */
1659 	__u32   line;           /* 1-23 */
1660 	__u32   reserved;       /* must be 0 */
1661 	__u8    data[48];
1662 };
1663 
1664 /*
1665  * Sliced VBI data inserted into MPEG Streams
1666  */
1667 
1668 /*
1669  * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
1670  *
1671  * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
1672  * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
1673  * data
1674  *
1675  * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
1676  * definitions are not included here.  See the MPEG-2 specifications for details
1677  * on these headers.
1678  */
1679 
1680 /* Line type IDs */
1681 #define V4L2_MPEG_VBI_IVTV_TELETEXT_B     (1)
1682 #define V4L2_MPEG_VBI_IVTV_CAPTION_525    (4)
1683 #define V4L2_MPEG_VBI_IVTV_WSS_625        (5)
1684 #define V4L2_MPEG_VBI_IVTV_VPS            (7)
1685 
1686 struct v4l2_mpeg_vbi_itv0_line {
1687 	__u8 id;	/* One of V4L2_MPEG_VBI_IVTV_* above */
1688 	__u8 data[42];	/* Sliced VBI data for the line */
1689 } __attribute__ ((packed));
1690 
1691 struct v4l2_mpeg_vbi_itv0 {
1692 	__le32 linemask[2]; /* Bitmasks of VBI service lines present */
1693 	struct v4l2_mpeg_vbi_itv0_line line[35];
1694 } __attribute__ ((packed));
1695 
1696 struct v4l2_mpeg_vbi_ITV0 {
1697 	struct v4l2_mpeg_vbi_itv0_line line[36];
1698 } __attribute__ ((packed));
1699 
1700 #define V4L2_MPEG_VBI_IVTV_MAGIC0	"itv0"
1701 #define V4L2_MPEG_VBI_IVTV_MAGIC1	"ITV0"
1702 
1703 struct v4l2_mpeg_vbi_fmt_ivtv {
1704 	__u8 magic[4];
1705 	union {
1706 		struct v4l2_mpeg_vbi_itv0 itv0;
1707 		struct v4l2_mpeg_vbi_ITV0 ITV0;
1708 	};
1709 } __attribute__ ((packed));
1710 
1711 /*
1712  *	A G G R E G A T E   S T R U C T U R E S
1713  */
1714 
1715 /**
1716  * struct v4l2_plane_pix_format - additional, per-plane format definition
1717  * @sizeimage:		maximum size in bytes required for data, for which
1718  *			this plane will be used
1719  * @bytesperline:	distance in bytes between the leftmost pixels in two
1720  *			adjacent lines
1721  */
1722 struct v4l2_plane_pix_format {
1723 	__u32		sizeimage;
1724 	__u16		bytesperline;
1725 	__u16		reserved[7];
1726 } __attribute__ ((packed));
1727 
1728 /**
1729  * struct v4l2_pix_format_mplane - multiplanar format definition
1730  * @width:		image width in pixels
1731  * @height:		image height in pixels
1732  * @pixelformat:	little endian four character code (fourcc)
1733  * @field:		field order (for interlaced video)
1734  * @colorspace:		supplemental to pixelformat
1735  * @plane_fmt:		per-plane information
1736  * @num_planes:		number of planes for this format
1737  */
1738 struct v4l2_pix_format_mplane {
1739 	__u32				width;
1740 	__u32				height;
1741 	__u32				pixelformat;
1742 	enum v4l2_field			field;
1743 	enum v4l2_colorspace		colorspace;
1744 
1745 	struct v4l2_plane_pix_format	plane_fmt[VIDEO_MAX_PLANES];
1746 	__u8				num_planes;
1747 	__u8				reserved[11];
1748 } __attribute__ ((packed));
1749 
1750 /**
1751  * struct v4l2_format - stream data format
1752  * @type:	type of the data stream
1753  * @pix:	definition of an image format
1754  * @pix_mp:	definition of a multiplanar image format
1755  * @win:	definition of an overlaid image
1756  * @vbi:	raw VBI capture or output parameters
1757  * @sliced:	sliced VBI capture or output parameters
1758  * @raw_data:	placeholder for future extensions and custom formats
1759  */
1760 struct v4l2_format {
1761 	enum v4l2_buf_type type;
1762 	union {
1763 		struct v4l2_pix_format		pix;     /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
1764 		struct v4l2_pix_format_mplane	pix_mp;  /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
1765 		struct v4l2_window		win;     /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
1766 		struct v4l2_vbi_format		vbi;     /* V4L2_BUF_TYPE_VBI_CAPTURE */
1767 		struct v4l2_sliced_vbi_format	sliced;  /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
1768 		__u8	raw_data[200];                   /* user-defined */
1769 	} fmt;
1770 };
1771 
1772 /*	Stream type-dependent parameters
1773  */
1774 struct v4l2_streamparm {
1775 	enum v4l2_buf_type type;
1776 	union {
1777 		struct v4l2_captureparm	capture;
1778 		struct v4l2_outputparm	output;
1779 		__u8	raw_data[200];  /* user-defined */
1780 	} parm;
1781 };
1782 
1783 /*
1784  *	E V E N T S
1785  */
1786 
1787 #define V4L2_EVENT_ALL				0
1788 #define V4L2_EVENT_VSYNC			1
1789 #define V4L2_EVENT_EOS				2
1790 #define V4L2_EVENT_PRIVATE_START		0x08000000
1791 
1792 /* Payload for V4L2_EVENT_VSYNC */
1793 struct v4l2_event_vsync {
1794 	/* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
1795 	__u8 field;
1796 } __attribute__ ((packed));
1797 
1798 struct v4l2_event {
1799 	__u32				type;
1800 	union {
1801 		struct v4l2_event_vsync vsync;
1802 		__u8			data[64];
1803 	} u;
1804 	__u32				pending;
1805 	__u32				sequence;
1806 	struct timespec			timestamp;
1807 	__u32				reserved[9];
1808 };
1809 
1810 struct v4l2_event_subscription {
1811 	__u32				type;
1812 	__u32				reserved[7];
1813 };
1814 
1815 /*
1816  *	A D V A N C E D   D E B U G G I N G
1817  *
1818  *	NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
1819  *	FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
1820  */
1821 
1822 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
1823 
1824 #define V4L2_CHIP_MATCH_HOST       0  /* Match against chip ID on host (0 for the host) */
1825 #define V4L2_CHIP_MATCH_I2C_DRIVER 1  /* Match against I2C driver name */
1826 #define V4L2_CHIP_MATCH_I2C_ADDR   2  /* Match against I2C 7-bit address */
1827 #define V4L2_CHIP_MATCH_AC97       3  /* Match against anciliary AC97 chip */
1828 
1829 struct v4l2_dbg_match {
1830 	__u32 type; /* Match type */
1831 	union {     /* Match this chip, meaning determined by type */
1832 		__u32 addr;
1833 		char name[32];
1834 	};
1835 } __attribute__ ((packed));
1836 
1837 struct v4l2_dbg_register {
1838 	struct v4l2_dbg_match match;
1839 	__u32 size;	/* register size in bytes */
1840 	__u64 reg;
1841 	__u64 val;
1842 } __attribute__ ((packed));
1843 
1844 /* VIDIOC_DBG_G_CHIP_IDENT */
1845 struct v4l2_dbg_chip_ident {
1846 	struct v4l2_dbg_match match;
1847 	__u32 ident;       /* chip identifier as specified in <media/v4l2-chip-ident.h> */
1848 	__u32 revision;    /* chip revision, chip specific */
1849 } __attribute__ ((packed));
1850 
1851 /*
1852  *	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
1853  *
1854  */
1855 #define VIDIOC_QUERYCAP		 _IOR('V',  0, struct v4l2_capability)
1856 #define VIDIOC_RESERVED		  _IO('V',  1)
1857 #define VIDIOC_ENUM_FMT         _IOWR('V',  2, struct v4l2_fmtdesc)
1858 #define VIDIOC_G_FMT		_IOWR('V',  4, struct v4l2_format)
1859 #define VIDIOC_S_FMT		_IOWR('V',  5, struct v4l2_format)
1860 #define VIDIOC_REQBUFS		_IOWR('V',  8, struct v4l2_requestbuffers)
1861 #define VIDIOC_QUERYBUF		_IOWR('V',  9, struct v4l2_buffer)
1862 #define VIDIOC_G_FBUF		 _IOR('V', 10, struct v4l2_framebuffer)
1863 #define VIDIOC_S_FBUF		 _IOW('V', 11, struct v4l2_framebuffer)
1864 #define VIDIOC_OVERLAY		 _IOW('V', 14, int)
1865 #define VIDIOC_QBUF		_IOWR('V', 15, struct v4l2_buffer)
1866 #define VIDIOC_DQBUF		_IOWR('V', 17, struct v4l2_buffer)
1867 #define VIDIOC_STREAMON		 _IOW('V', 18, int)
1868 #define VIDIOC_STREAMOFF	 _IOW('V', 19, int)
1869 #define VIDIOC_G_PARM		_IOWR('V', 21, struct v4l2_streamparm)
1870 #define VIDIOC_S_PARM		_IOWR('V', 22, struct v4l2_streamparm)
1871 #define VIDIOC_G_STD		 _IOR('V', 23, v4l2_std_id)
1872 #define VIDIOC_S_STD		 _IOW('V', 24, v4l2_std_id)
1873 #define VIDIOC_ENUMSTD		_IOWR('V', 25, struct v4l2_standard)
1874 #define VIDIOC_ENUMINPUT	_IOWR('V', 26, struct v4l2_input)
1875 #define VIDIOC_G_CTRL		_IOWR('V', 27, struct v4l2_control)
1876 #define VIDIOC_S_CTRL		_IOWR('V', 28, struct v4l2_control)
1877 #define VIDIOC_G_TUNER		_IOWR('V', 29, struct v4l2_tuner)
1878 #define VIDIOC_S_TUNER		 _IOW('V', 30, struct v4l2_tuner)
1879 #define VIDIOC_G_AUDIO		 _IOR('V', 33, struct v4l2_audio)
1880 #define VIDIOC_S_AUDIO		 _IOW('V', 34, struct v4l2_audio)
1881 #define VIDIOC_QUERYCTRL	_IOWR('V', 36, struct v4l2_queryctrl)
1882 #define VIDIOC_QUERYMENU	_IOWR('V', 37, struct v4l2_querymenu)
1883 #define VIDIOC_G_INPUT		 _IOR('V', 38, int)
1884 #define VIDIOC_S_INPUT		_IOWR('V', 39, int)
1885 #define VIDIOC_G_OUTPUT		 _IOR('V', 46, int)
1886 #define VIDIOC_S_OUTPUT		_IOWR('V', 47, int)
1887 #define VIDIOC_ENUMOUTPUT	_IOWR('V', 48, struct v4l2_output)
1888 #define VIDIOC_G_AUDOUT		 _IOR('V', 49, struct v4l2_audioout)
1889 #define VIDIOC_S_AUDOUT		 _IOW('V', 50, struct v4l2_audioout)
1890 #define VIDIOC_G_MODULATOR	_IOWR('V', 54, struct v4l2_modulator)
1891 #define VIDIOC_S_MODULATOR	 _IOW('V', 55, struct v4l2_modulator)
1892 #define VIDIOC_G_FREQUENCY	_IOWR('V', 56, struct v4l2_frequency)
1893 #define VIDIOC_S_FREQUENCY	 _IOW('V', 57, struct v4l2_frequency)
1894 #define VIDIOC_CROPCAP		_IOWR('V', 58, struct v4l2_cropcap)
1895 #define VIDIOC_G_CROP		_IOWR('V', 59, struct v4l2_crop)
1896 #define VIDIOC_S_CROP		 _IOW('V', 60, struct v4l2_crop)
1897 #define VIDIOC_G_JPEGCOMP	 _IOR('V', 61, struct v4l2_jpegcompression)
1898 #define VIDIOC_S_JPEGCOMP	 _IOW('V', 62, struct v4l2_jpegcompression)
1899 #define VIDIOC_QUERYSTD      	 _IOR('V', 63, v4l2_std_id)
1900 #define VIDIOC_TRY_FMT      	_IOWR('V', 64, struct v4l2_format)
1901 #define VIDIOC_ENUMAUDIO	_IOWR('V', 65, struct v4l2_audio)
1902 #define VIDIOC_ENUMAUDOUT	_IOWR('V', 66, struct v4l2_audioout)
1903 #define VIDIOC_G_PRIORITY        _IOR('V', 67, enum v4l2_priority)
1904 #define VIDIOC_S_PRIORITY        _IOW('V', 68, enum v4l2_priority)
1905 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
1906 #define VIDIOC_LOG_STATUS         _IO('V', 70)
1907 #define VIDIOC_G_EXT_CTRLS	_IOWR('V', 71, struct v4l2_ext_controls)
1908 #define VIDIOC_S_EXT_CTRLS	_IOWR('V', 72, struct v4l2_ext_controls)
1909 #define VIDIOC_TRY_EXT_CTRLS	_IOWR('V', 73, struct v4l2_ext_controls)
1910 #if 1
1911 #define VIDIOC_ENUM_FRAMESIZES	_IOWR('V', 74, struct v4l2_frmsizeenum)
1912 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
1913 #define VIDIOC_G_ENC_INDEX       _IOR('V', 76, struct v4l2_enc_idx)
1914 #define VIDIOC_ENCODER_CMD      _IOWR('V', 77, struct v4l2_encoder_cmd)
1915 #define VIDIOC_TRY_ENCODER_CMD  _IOWR('V', 78, struct v4l2_encoder_cmd)
1916 #endif
1917 
1918 #if 1
1919 /* Experimental, meant for debugging, testing and internal use.
1920    Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
1921    You must be root to use these ioctls. Never use these in applications! */
1922 #define	VIDIOC_DBG_S_REGISTER 	 _IOW('V', 79, struct v4l2_dbg_register)
1923 #define	VIDIOC_DBG_G_REGISTER 	_IOWR('V', 80, struct v4l2_dbg_register)
1924 
1925 /* Experimental, meant for debugging, testing and internal use.
1926    Never use this ioctl in applications! */
1927 #define VIDIOC_DBG_G_CHIP_IDENT _IOWR('V', 81, struct v4l2_dbg_chip_ident)
1928 #endif
1929 
1930 #define VIDIOC_S_HW_FREQ_SEEK	 _IOW('V', 82, struct v4l2_hw_freq_seek)
1931 #define	VIDIOC_ENUM_DV_PRESETS	_IOWR('V', 83, struct v4l2_dv_enum_preset)
1932 #define	VIDIOC_S_DV_PRESET	_IOWR('V', 84, struct v4l2_dv_preset)
1933 #define	VIDIOC_G_DV_PRESET	_IOWR('V', 85, struct v4l2_dv_preset)
1934 #define	VIDIOC_QUERY_DV_PRESET	_IOR('V',  86, struct v4l2_dv_preset)
1935 #define	VIDIOC_S_DV_TIMINGS	_IOWR('V', 87, struct v4l2_dv_timings)
1936 #define	VIDIOC_G_DV_TIMINGS	_IOWR('V', 88, struct v4l2_dv_timings)
1937 #define	VIDIOC_DQEVENT		 _IOR('V', 89, struct v4l2_event)
1938 #define	VIDIOC_SUBSCRIBE_EVENT	 _IOW('V', 90, struct v4l2_event_subscription)
1939 #define	VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)
1940 
1941 /* Reminder: when adding new ioctls please add support for them to
1942    drivers/media/video/v4l2-compat-ioctl32.c as well! */
1943 
1944 #define BASE_VIDIOC_PRIVATE	192		/* 192-255 are private */
1945 
1946 #endif /* __LINUX_VIDEODEV2_H */
1947