xref: /linux-6.15/include/linux/videodev2.h (revision 384740dc)
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 <[email protected]>
52  *		Justin Schoeman
53  *              Hans Verkuil <[email protected]>
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 
74 #ifndef __KERNEL__
75 
76 /* These defines are V4L1 specific and should not be used with the V4L2 API!
77    They will be removed from this header in the future. */
78 
79 #define VID_TYPE_CAPTURE	1	/* Can capture */
80 #define VID_TYPE_TUNER		2	/* Can tune */
81 #define VID_TYPE_TELETEXT	4	/* Does teletext */
82 #define VID_TYPE_OVERLAY	8	/* Overlay onto frame buffer */
83 #define VID_TYPE_CHROMAKEY	16	/* Overlay by chromakey */
84 #define VID_TYPE_CLIPPING	32	/* Can clip */
85 #define VID_TYPE_FRAMERAM	64	/* Uses the frame buffer memory */
86 #define VID_TYPE_SCALES		128	/* Scalable */
87 #define VID_TYPE_MONOCHROME	256	/* Monochrome only */
88 #define VID_TYPE_SUBCAPTURE	512	/* Can capture subareas of the image */
89 #define VID_TYPE_MPEG_DECODER	1024	/* Can decode MPEG streams */
90 #define VID_TYPE_MPEG_ENCODER	2048	/* Can encode MPEG streams */
91 #define VID_TYPE_MJPEG_DECODER	4096	/* Can decode MJPEG streams */
92 #define VID_TYPE_MJPEG_ENCODER	8192	/* Can encode MJPEG streams */
93 #endif
94 
95 /*
96  *	M I S C E L L A N E O U S
97  */
98 
99 /*  Four-character-code (FOURCC) */
100 #define v4l2_fourcc(a, b, c, d)\
101 	((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24))
102 
103 /*
104  *	E N U M S
105  */
106 enum v4l2_field {
107 	V4L2_FIELD_ANY           = 0, /* driver can choose from none,
108 					 top, bottom, interlaced
109 					 depending on whatever it thinks
110 					 is approximate ... */
111 	V4L2_FIELD_NONE          = 1, /* this device has no fields ... */
112 	V4L2_FIELD_TOP           = 2, /* top field only */
113 	V4L2_FIELD_BOTTOM        = 3, /* bottom field only */
114 	V4L2_FIELD_INTERLACED    = 4, /* both fields interlaced */
115 	V4L2_FIELD_SEQ_TB        = 5, /* both fields sequential into one
116 					 buffer, top-bottom order */
117 	V4L2_FIELD_SEQ_BT        = 6, /* same as above + bottom-top order */
118 	V4L2_FIELD_ALTERNATE     = 7, /* both fields alternating into
119 					 separate buffers */
120 	V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field
121 					 first and the top field is
122 					 transmitted first */
123 	V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field
124 					 first and the bottom field is
125 					 transmitted first */
126 };
127 #define V4L2_FIELD_HAS_TOP(field)	\
128 	((field) == V4L2_FIELD_TOP 	||\
129 	 (field) == V4L2_FIELD_INTERLACED ||\
130 	 (field) == V4L2_FIELD_INTERLACED_TB ||\
131 	 (field) == V4L2_FIELD_INTERLACED_BT ||\
132 	 (field) == V4L2_FIELD_SEQ_TB	||\
133 	 (field) == V4L2_FIELD_SEQ_BT)
134 #define V4L2_FIELD_HAS_BOTTOM(field)	\
135 	((field) == V4L2_FIELD_BOTTOM 	||\
136 	 (field) == V4L2_FIELD_INTERLACED ||\
137 	 (field) == V4L2_FIELD_INTERLACED_TB ||\
138 	 (field) == V4L2_FIELD_INTERLACED_BT ||\
139 	 (field) == V4L2_FIELD_SEQ_TB	||\
140 	 (field) == V4L2_FIELD_SEQ_BT)
141 #define V4L2_FIELD_HAS_BOTH(field)	\
142 	((field) == V4L2_FIELD_INTERLACED ||\
143 	 (field) == V4L2_FIELD_INTERLACED_TB ||\
144 	 (field) == V4L2_FIELD_INTERLACED_BT ||\
145 	 (field) == V4L2_FIELD_SEQ_TB ||\
146 	 (field) == V4L2_FIELD_SEQ_BT)
147 
148 enum v4l2_buf_type {
149 	V4L2_BUF_TYPE_VIDEO_CAPTURE        = 1,
150 	V4L2_BUF_TYPE_VIDEO_OUTPUT         = 2,
151 	V4L2_BUF_TYPE_VIDEO_OVERLAY        = 3,
152 	V4L2_BUF_TYPE_VBI_CAPTURE          = 4,
153 	V4L2_BUF_TYPE_VBI_OUTPUT           = 5,
154 	V4L2_BUF_TYPE_SLICED_VBI_CAPTURE   = 6,
155 	V4L2_BUF_TYPE_SLICED_VBI_OUTPUT    = 7,
156 #if 1
157 	/* Experimental */
158 	V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
159 #endif
160 	V4L2_BUF_TYPE_PRIVATE              = 0x80,
161 };
162 
163 enum v4l2_ctrl_type {
164 	V4L2_CTRL_TYPE_INTEGER	     = 1,
165 	V4L2_CTRL_TYPE_BOOLEAN	     = 2,
166 	V4L2_CTRL_TYPE_MENU	     = 3,
167 	V4L2_CTRL_TYPE_BUTTON	     = 4,
168 	V4L2_CTRL_TYPE_INTEGER64     = 5,
169 	V4L2_CTRL_TYPE_CTRL_CLASS    = 6,
170 };
171 
172 enum v4l2_tuner_type {
173 	V4L2_TUNER_RADIO	     = 1,
174 	V4L2_TUNER_ANALOG_TV	     = 2,
175 	V4L2_TUNER_DIGITAL_TV	     = 3,
176 };
177 
178 enum v4l2_memory {
179 	V4L2_MEMORY_MMAP             = 1,
180 	V4L2_MEMORY_USERPTR          = 2,
181 	V4L2_MEMORY_OVERLAY          = 3,
182 };
183 
184 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
185 enum v4l2_colorspace {
186 	/* ITU-R 601 -- broadcast NTSC/PAL */
187 	V4L2_COLORSPACE_SMPTE170M     = 1,
188 
189 	/* 1125-Line (US) HDTV */
190 	V4L2_COLORSPACE_SMPTE240M     = 2,
191 
192 	/* HD and modern captures. */
193 	V4L2_COLORSPACE_REC709        = 3,
194 
195 	/* broken BT878 extents (601, luma range 16-253 instead of 16-235) */
196 	V4L2_COLORSPACE_BT878         = 4,
197 
198 	/* These should be useful.  Assume 601 extents. */
199 	V4L2_COLORSPACE_470_SYSTEM_M  = 5,
200 	V4L2_COLORSPACE_470_SYSTEM_BG = 6,
201 
202 	/* I know there will be cameras that send this.  So, this is
203 	 * unspecified chromaticities and full 0-255 on each of the
204 	 * Y'CbCr components
205 	 */
206 	V4L2_COLORSPACE_JPEG          = 7,
207 
208 	/* For RGB colourspaces, this is probably a good start. */
209 	V4L2_COLORSPACE_SRGB          = 8,
210 };
211 
212 enum v4l2_priority {
213 	V4L2_PRIORITY_UNSET       = 0,  /* not initialized */
214 	V4L2_PRIORITY_BACKGROUND  = 1,
215 	V4L2_PRIORITY_INTERACTIVE = 2,
216 	V4L2_PRIORITY_RECORD      = 3,
217 	V4L2_PRIORITY_DEFAULT     = V4L2_PRIORITY_INTERACTIVE,
218 };
219 
220 struct v4l2_rect {
221 	__s32   left;
222 	__s32   top;
223 	__s32   width;
224 	__s32   height;
225 };
226 
227 struct v4l2_fract {
228 	__u32   numerator;
229 	__u32   denominator;
230 };
231 
232 /*
233  *	D R I V E R   C A P A B I L I T I E S
234  */
235 struct v4l2_capability {
236 	__u8	driver[16];	/* i.e. "bttv" */
237 	__u8	card[32];	/* i.e. "Hauppauge WinTV" */
238 	__u8	bus_info[32];	/* "PCI:" + pci_name(pci_dev) */
239 	__u32   version;        /* should use KERNEL_VERSION() */
240 	__u32	capabilities;	/* Device capabilities */
241 	__u32	reserved[4];
242 };
243 
244 /* Values for 'capabilities' field */
245 #define V4L2_CAP_VIDEO_CAPTURE		0x00000001  /* Is a video capture device */
246 #define V4L2_CAP_VIDEO_OUTPUT		0x00000002  /* Is a video output device */
247 #define V4L2_CAP_VIDEO_OVERLAY		0x00000004  /* Can do video overlay */
248 #define V4L2_CAP_VBI_CAPTURE		0x00000010  /* Is a raw VBI capture device */
249 #define V4L2_CAP_VBI_OUTPUT		0x00000020  /* Is a raw VBI output device */
250 #define V4L2_CAP_SLICED_VBI_CAPTURE	0x00000040  /* Is a sliced VBI capture device */
251 #define V4L2_CAP_SLICED_VBI_OUTPUT	0x00000080  /* Is a sliced VBI output device */
252 #define V4L2_CAP_RDS_CAPTURE		0x00000100  /* RDS data capture */
253 #define V4L2_CAP_VIDEO_OUTPUT_OVERLAY	0x00000200  /* Can do video output overlay */
254 #define V4L2_CAP_HW_FREQ_SEEK		0x00000400  /* Can do hardware frequency seek  */
255 
256 #define V4L2_CAP_TUNER			0x00010000  /* has a tuner */
257 #define V4L2_CAP_AUDIO			0x00020000  /* has audio support */
258 #define V4L2_CAP_RADIO			0x00040000  /* is a radio device */
259 
260 #define V4L2_CAP_READWRITE              0x01000000  /* read/write systemcalls */
261 #define V4L2_CAP_ASYNCIO                0x02000000  /* async I/O */
262 #define V4L2_CAP_STREAMING              0x04000000  /* streaming I/O ioctls */
263 
264 /*
265  *	V I D E O   I M A G E   F O R M A T
266  */
267 struct v4l2_pix_format {
268 	__u32         		width;
269 	__u32			height;
270 	__u32			pixelformat;
271 	enum v4l2_field  	field;
272 	__u32            	bytesperline;	/* for padding, zero if unused */
273 	__u32          		sizeimage;
274 	enum v4l2_colorspace	colorspace;
275 	__u32			priv;		/* private data, depends on pixelformat */
276 };
277 
278 /*      Pixel format         FOURCC                        depth  Description  */
279 #define V4L2_PIX_FMT_RGB332  v4l2_fourcc('R', 'G', 'B', '1') /*  8  RGB-3-3-2     */
280 #define V4L2_PIX_FMT_RGB444  v4l2_fourcc('R', '4', '4', '4') /* 16  xxxxrrrr ggggbbbb */
281 #define V4L2_PIX_FMT_RGB555  v4l2_fourcc('R', 'G', 'B', 'O') /* 16  RGB-5-5-5     */
282 #define V4L2_PIX_FMT_RGB565  v4l2_fourcc('R', 'G', 'B', 'P') /* 16  RGB-5-6-5     */
283 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16  RGB-5-5-5 BE  */
284 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16  RGB-5-6-5 BE  */
285 #define V4L2_PIX_FMT_BGR24   v4l2_fourcc('B', 'G', 'R', '3') /* 24  BGR-8-8-8     */
286 #define V4L2_PIX_FMT_RGB24   v4l2_fourcc('R', 'G', 'B', '3') /* 24  RGB-8-8-8     */
287 #define V4L2_PIX_FMT_BGR32   v4l2_fourcc('B', 'G', 'R', '4') /* 32  BGR-8-8-8-8   */
288 #define V4L2_PIX_FMT_RGB32   v4l2_fourcc('R', 'G', 'B', '4') /* 32  RGB-8-8-8-8   */
289 #define V4L2_PIX_FMT_GREY    v4l2_fourcc('G', 'R', 'E', 'Y') /*  8  Greyscale     */
290 #define V4L2_PIX_FMT_Y16     v4l2_fourcc('Y', '1', '6', ' ') /* 16  Greyscale     */
291 #define V4L2_PIX_FMT_PAL8    v4l2_fourcc('P', 'A', 'L', '8') /*  8  8-bit palette */
292 #define V4L2_PIX_FMT_YVU410  v4l2_fourcc('Y', 'V', 'U', '9') /*  9  YVU 4:1:0     */
293 #define V4L2_PIX_FMT_YVU420  v4l2_fourcc('Y', 'V', '1', '2') /* 12  YVU 4:2:0     */
294 #define V4L2_PIX_FMT_YUYV    v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16  YUV 4:2:2     */
295 #define V4L2_PIX_FMT_UYVY    v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16  YUV 4:2:2     */
296 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16  YVU422 planar */
297 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 16  YVU411 planar */
298 #define V4L2_PIX_FMT_Y41P    v4l2_fourcc('Y', '4', '1', 'P') /* 12  YUV 4:1:1     */
299 #define V4L2_PIX_FMT_YUV444  v4l2_fourcc('Y', '4', '4', '4') /* 16  xxxxyyyy uuuuvvvv */
300 #define V4L2_PIX_FMT_YUV555  v4l2_fourcc('Y', 'U', 'V', 'O') /* 16  YUV-5-5-5     */
301 #define V4L2_PIX_FMT_YUV565  v4l2_fourcc('Y', 'U', 'V', 'P') /* 16  YUV-5-6-5     */
302 #define V4L2_PIX_FMT_YUV32   v4l2_fourcc('Y', 'U', 'V', '4') /* 32  YUV-8-8-8-8   */
303 
304 /* two planes -- one Y, one Cr + Cb interleaved  */
305 #define V4L2_PIX_FMT_NV12    v4l2_fourcc('N', 'V', '1', '2') /* 12  Y/CbCr 4:2:0  */
306 #define V4L2_PIX_FMT_NV21    v4l2_fourcc('N', 'V', '2', '1') /* 12  Y/CrCb 4:2:0  */
307 
308 /*  The following formats are not defined in the V4L2 specification */
309 #define V4L2_PIX_FMT_YUV410  v4l2_fourcc('Y', 'U', 'V', '9') /*  9  YUV 4:1:0     */
310 #define V4L2_PIX_FMT_YUV420  v4l2_fourcc('Y', 'U', '1', '2') /* 12  YUV 4:2:0     */
311 #define V4L2_PIX_FMT_YYUV    v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16  YUV 4:2:2     */
312 #define V4L2_PIX_FMT_HI240   v4l2_fourcc('H', 'I', '2', '4') /*  8  8-bit color   */
313 #define V4L2_PIX_FMT_HM12    v4l2_fourcc('H', 'M', '1', '2') /*  8  YUV 4:2:0 16x16 macroblocks */
314 
315 /* see http://www.siliconimaging.com/RGB%20Bayer.htm */
316 #define V4L2_PIX_FMT_SBGGR8  v4l2_fourcc('B', 'A', '8', '1') /*  8  BGBG.. GRGR.. */
317 #define V4L2_PIX_FMT_SGBRG8  v4l2_fourcc('G', 'B', 'R', 'G') /*  8  GBGB.. RGRG.. */
318 #define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16  BGBG.. GRGR.. */
319 
320 /* compressed formats */
321 #define V4L2_PIX_FMT_MJPEG    v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG   */
322 #define V4L2_PIX_FMT_JPEG     v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG     */
323 #define V4L2_PIX_FMT_DV       v4l2_fourcc('d', 'v', 's', 'd') /* 1394          */
324 #define V4L2_PIX_FMT_MPEG     v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4    */
325 
326 /*  Vendor-specific formats   */
327 #define V4L2_PIX_FMT_WNVA     v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
328 #define V4L2_PIX_FMT_SN9C10X  v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
329 #define V4L2_PIX_FMT_PWC1     v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
330 #define V4L2_PIX_FMT_PWC2     v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
331 #define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
332 #define V4L2_PIX_FMT_SPCA501  v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
333 #define V4L2_PIX_FMT_SPCA505  v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
334 #define V4L2_PIX_FMT_SPCA508  v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
335 #define V4L2_PIX_FMT_SPCA561  v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
336 #define V4L2_PIX_FMT_PAC207   v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
337 #define V4L2_PIX_FMT_PJPG     v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
338 #define V4L2_PIX_FMT_YVYU    v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16  YVU 4:2:2     */
339 
340 /*
341  *	F O R M A T   E N U M E R A T I O N
342  */
343 struct v4l2_fmtdesc {
344 	__u32		    index;             /* Format number      */
345 	enum v4l2_buf_type  type;              /* buffer type        */
346 	__u32               flags;
347 	__u8		    description[32];   /* Description string */
348 	__u32		    pixelformat;       /* Format fourcc      */
349 	__u32		    reserved[4];
350 };
351 
352 #define V4L2_FMT_FLAG_COMPRESSED 0x0001
353 
354 #if 1
355 	/* Experimental Frame Size and frame rate enumeration */
356 /*
357  *	F R A M E   S I Z E   E N U M E R A T I O N
358  */
359 enum v4l2_frmsizetypes {
360 	V4L2_FRMSIZE_TYPE_DISCRETE	= 1,
361 	V4L2_FRMSIZE_TYPE_CONTINUOUS	= 2,
362 	V4L2_FRMSIZE_TYPE_STEPWISE	= 3,
363 };
364 
365 struct v4l2_frmsize_discrete {
366 	__u32			width;		/* Frame width [pixel] */
367 	__u32			height;		/* Frame height [pixel] */
368 };
369 
370 struct v4l2_frmsize_stepwise {
371 	__u32			min_width;	/* Minimum frame width [pixel] */
372 	__u32			max_width;	/* Maximum frame width [pixel] */
373 	__u32			step_width;	/* Frame width step size [pixel] */
374 	__u32			min_height;	/* Minimum frame height [pixel] */
375 	__u32			max_height;	/* Maximum frame height [pixel] */
376 	__u32			step_height;	/* Frame height step size [pixel] */
377 };
378 
379 struct v4l2_frmsizeenum {
380 	__u32			index;		/* Frame size number */
381 	__u32			pixel_format;	/* Pixel format */
382 	__u32			type;		/* Frame size type the device supports. */
383 
384 	union {					/* Frame size */
385 		struct v4l2_frmsize_discrete	discrete;
386 		struct v4l2_frmsize_stepwise	stepwise;
387 	};
388 
389 	__u32   reserved[2];			/* Reserved space for future use */
390 };
391 
392 /*
393  *	F R A M E   R A T E   E N U M E R A T I O N
394  */
395 enum v4l2_frmivaltypes {
396 	V4L2_FRMIVAL_TYPE_DISCRETE	= 1,
397 	V4L2_FRMIVAL_TYPE_CONTINUOUS	= 2,
398 	V4L2_FRMIVAL_TYPE_STEPWISE	= 3,
399 };
400 
401 struct v4l2_frmival_stepwise {
402 	struct v4l2_fract	min;		/* Minimum frame interval [s] */
403 	struct v4l2_fract	max;		/* Maximum frame interval [s] */
404 	struct v4l2_fract	step;		/* Frame interval step size [s] */
405 };
406 
407 struct v4l2_frmivalenum {
408 	__u32			index;		/* Frame format index */
409 	__u32			pixel_format;	/* Pixel format */
410 	__u32			width;		/* Frame width */
411 	__u32			height;		/* Frame height */
412 	__u32			type;		/* Frame interval type the device supports. */
413 
414 	union {					/* Frame interval */
415 		struct v4l2_fract		discrete;
416 		struct v4l2_frmival_stepwise	stepwise;
417 	};
418 
419 	__u32	reserved[2];			/* Reserved space for future use */
420 };
421 #endif
422 
423 /*
424  *	T I M E C O D E
425  */
426 struct v4l2_timecode {
427 	__u32	type;
428 	__u32	flags;
429 	__u8	frames;
430 	__u8	seconds;
431 	__u8	minutes;
432 	__u8	hours;
433 	__u8	userbits[4];
434 };
435 
436 /*  Type  */
437 #define V4L2_TC_TYPE_24FPS		1
438 #define V4L2_TC_TYPE_25FPS		2
439 #define V4L2_TC_TYPE_30FPS		3
440 #define V4L2_TC_TYPE_50FPS		4
441 #define V4L2_TC_TYPE_60FPS		5
442 
443 /*  Flags  */
444 #define V4L2_TC_FLAG_DROPFRAME		0x0001 /* "drop-frame" mode */
445 #define V4L2_TC_FLAG_COLORFRAME		0x0002
446 #define V4L2_TC_USERBITS_field		0x000C
447 #define V4L2_TC_USERBITS_USERDEFINED	0x0000
448 #define V4L2_TC_USERBITS_8BITCHARS	0x0008
449 /* The above is based on SMPTE timecodes */
450 
451 struct v4l2_jpegcompression {
452 	int quality;
453 
454 	int  APPn;              /* Number of APP segment to be written,
455 				 * must be 0..15 */
456 	int  APP_len;           /* Length of data in JPEG APPn segment */
457 	char APP_data[60];      /* Data in the JPEG APPn segment. */
458 
459 	int  COM_len;           /* Length of data in JPEG COM segment */
460 	char COM_data[60];      /* Data in JPEG COM segment */
461 
462 	__u32 jpeg_markers;     /* Which markers should go into the JPEG
463 				 * output. Unless you exactly know what
464 				 * you do, leave them untouched.
465 				 * Inluding less markers will make the
466 				 * resulting code smaller, but there will
467 				 * be fewer aplications which can read it.
468 				 * The presence of the APP and COM marker
469 				 * is influenced by APP_len and COM_len
470 				 * ONLY, not by this property! */
471 
472 #define V4L2_JPEG_MARKER_DHT (1<<3)    /* Define Huffman Tables */
473 #define V4L2_JPEG_MARKER_DQT (1<<4)    /* Define Quantization Tables */
474 #define V4L2_JPEG_MARKER_DRI (1<<5)    /* Define Restart Interval */
475 #define V4L2_JPEG_MARKER_COM (1<<6)    /* Comment segment */
476 #define V4L2_JPEG_MARKER_APP (1<<7)    /* App segment, driver will
477 					* allways use APP0 */
478 };
479 
480 /*
481  *	M E M O R Y - M A P P I N G   B U F F E R S
482  */
483 struct v4l2_requestbuffers {
484 	__u32			count;
485 	enum v4l2_buf_type      type;
486 	enum v4l2_memory        memory;
487 	__u32			reserved[2];
488 };
489 
490 struct v4l2_buffer {
491 	__u32			index;
492 	enum v4l2_buf_type      type;
493 	__u32			bytesused;
494 	__u32			flags;
495 	enum v4l2_field		field;
496 	struct timeval		timestamp;
497 	struct v4l2_timecode	timecode;
498 	__u32			sequence;
499 
500 	/* memory location */
501 	enum v4l2_memory        memory;
502 	union {
503 		__u32           offset;
504 		unsigned long   userptr;
505 	} m;
506 	__u32			length;
507 	__u32			input;
508 	__u32			reserved;
509 };
510 
511 /*  Flags for 'flags' field */
512 #define V4L2_BUF_FLAG_MAPPED	0x0001  /* Buffer is mapped (flag) */
513 #define V4L2_BUF_FLAG_QUEUED	0x0002	/* Buffer is queued for processing */
514 #define V4L2_BUF_FLAG_DONE	0x0004	/* Buffer is ready */
515 #define V4L2_BUF_FLAG_KEYFRAME	0x0008	/* Image is a keyframe (I-frame) */
516 #define V4L2_BUF_FLAG_PFRAME	0x0010	/* Image is a P-frame */
517 #define V4L2_BUF_FLAG_BFRAME	0x0020	/* Image is a B-frame */
518 #define V4L2_BUF_FLAG_TIMECODE	0x0100	/* timecode field is valid */
519 #define V4L2_BUF_FLAG_INPUT     0x0200  /* input field is valid */
520 
521 /*
522  *	O V E R L A Y   P R E V I E W
523  */
524 struct v4l2_framebuffer {
525 	__u32			capability;
526 	__u32			flags;
527 /* FIXME: in theory we should pass something like PCI device + memory
528  * region + offset instead of some physical address */
529 	void                    *base;
530 	struct v4l2_pix_format	fmt;
531 };
532 /*  Flags for the 'capability' field. Read only */
533 #define V4L2_FBUF_CAP_EXTERNOVERLAY	0x0001
534 #define V4L2_FBUF_CAP_CHROMAKEY		0x0002
535 #define V4L2_FBUF_CAP_LIST_CLIPPING     0x0004
536 #define V4L2_FBUF_CAP_BITMAP_CLIPPING	0x0008
537 #define V4L2_FBUF_CAP_LOCAL_ALPHA	0x0010
538 #define V4L2_FBUF_CAP_GLOBAL_ALPHA	0x0020
539 #define V4L2_FBUF_CAP_LOCAL_INV_ALPHA	0x0040
540 /*  Flags for the 'flags' field. */
541 #define V4L2_FBUF_FLAG_PRIMARY		0x0001
542 #define V4L2_FBUF_FLAG_OVERLAY		0x0002
543 #define V4L2_FBUF_FLAG_CHROMAKEY	0x0004
544 #define V4L2_FBUF_FLAG_LOCAL_ALPHA	0x0008
545 #define V4L2_FBUF_FLAG_GLOBAL_ALPHA	0x0010
546 #define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA	0x0020
547 
548 struct v4l2_clip {
549 	struct v4l2_rect        c;
550 	struct v4l2_clip	__user *next;
551 };
552 
553 struct v4l2_window {
554 	struct v4l2_rect        w;
555 	enum v4l2_field  	field;
556 	__u32			chromakey;
557 	struct v4l2_clip	__user *clips;
558 	__u32			clipcount;
559 	void			__user *bitmap;
560 	__u8                    global_alpha;
561 };
562 
563 /*
564  *	C A P T U R E   P A R A M E T E R S
565  */
566 struct v4l2_captureparm {
567 	__u32		   capability;	  /*  Supported modes */
568 	__u32		   capturemode;	  /*  Current mode */
569 	struct v4l2_fract  timeperframe;  /*  Time per frame in .1us units */
570 	__u32		   extendedmode;  /*  Driver-specific extensions */
571 	__u32              readbuffers;   /*  # of buffers for read */
572 	__u32		   reserved[4];
573 };
574 
575 /*  Flags for 'capability' and 'capturemode' fields */
576 #define V4L2_MODE_HIGHQUALITY	0x0001	/*  High quality imaging mode */
577 #define V4L2_CAP_TIMEPERFRAME	0x1000	/*  timeperframe field is supported */
578 
579 struct v4l2_outputparm {
580 	__u32		   capability;	 /*  Supported modes */
581 	__u32		   outputmode;	 /*  Current mode */
582 	struct v4l2_fract  timeperframe; /*  Time per frame in seconds */
583 	__u32		   extendedmode; /*  Driver-specific extensions */
584 	__u32              writebuffers; /*  # of buffers for write */
585 	__u32		   reserved[4];
586 };
587 
588 /*
589  *	I N P U T   I M A G E   C R O P P I N G
590  */
591 struct v4l2_cropcap {
592 	enum v4l2_buf_type      type;
593 	struct v4l2_rect        bounds;
594 	struct v4l2_rect        defrect;
595 	struct v4l2_fract       pixelaspect;
596 };
597 
598 struct v4l2_crop {
599 	enum v4l2_buf_type      type;
600 	struct v4l2_rect        c;
601 };
602 
603 /*
604  *      A N A L O G   V I D E O   S T A N D A R D
605  */
606 
607 typedef __u64 v4l2_std_id;
608 
609 /* one bit for each */
610 #define V4L2_STD_PAL_B          ((v4l2_std_id)0x00000001)
611 #define V4L2_STD_PAL_B1         ((v4l2_std_id)0x00000002)
612 #define V4L2_STD_PAL_G          ((v4l2_std_id)0x00000004)
613 #define V4L2_STD_PAL_H          ((v4l2_std_id)0x00000008)
614 #define V4L2_STD_PAL_I          ((v4l2_std_id)0x00000010)
615 #define V4L2_STD_PAL_D          ((v4l2_std_id)0x00000020)
616 #define V4L2_STD_PAL_D1         ((v4l2_std_id)0x00000040)
617 #define V4L2_STD_PAL_K          ((v4l2_std_id)0x00000080)
618 
619 #define V4L2_STD_PAL_M          ((v4l2_std_id)0x00000100)
620 #define V4L2_STD_PAL_N          ((v4l2_std_id)0x00000200)
621 #define V4L2_STD_PAL_Nc         ((v4l2_std_id)0x00000400)
622 #define V4L2_STD_PAL_60         ((v4l2_std_id)0x00000800)
623 
624 #define V4L2_STD_NTSC_M         ((v4l2_std_id)0x00001000)
625 #define V4L2_STD_NTSC_M_JP      ((v4l2_std_id)0x00002000)
626 #define V4L2_STD_NTSC_443       ((v4l2_std_id)0x00004000)
627 #define V4L2_STD_NTSC_M_KR      ((v4l2_std_id)0x00008000)
628 
629 #define V4L2_STD_SECAM_B        ((v4l2_std_id)0x00010000)
630 #define V4L2_STD_SECAM_D        ((v4l2_std_id)0x00020000)
631 #define V4L2_STD_SECAM_G        ((v4l2_std_id)0x00040000)
632 #define V4L2_STD_SECAM_H        ((v4l2_std_id)0x00080000)
633 #define V4L2_STD_SECAM_K        ((v4l2_std_id)0x00100000)
634 #define V4L2_STD_SECAM_K1       ((v4l2_std_id)0x00200000)
635 #define V4L2_STD_SECAM_L        ((v4l2_std_id)0x00400000)
636 #define V4L2_STD_SECAM_LC       ((v4l2_std_id)0x00800000)
637 
638 /* ATSC/HDTV */
639 #define V4L2_STD_ATSC_8_VSB     ((v4l2_std_id)0x01000000)
640 #define V4L2_STD_ATSC_16_VSB    ((v4l2_std_id)0x02000000)
641 
642 /* FIXME:
643    Although std_id is 64 bits, there is an issue on PPC32 architecture that
644    makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
645    this value to 32 bits.
646    As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
647    it should work fine. However, if needed to add more than two standards,
648    v4l2-common.c should be fixed.
649  */
650 
651 /* some merged standards */
652 #define V4L2_STD_MN	(V4L2_STD_PAL_M|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc|V4L2_STD_NTSC)
653 #define V4L2_STD_B	(V4L2_STD_PAL_B|V4L2_STD_PAL_B1|V4L2_STD_SECAM_B)
654 #define V4L2_STD_GH	(V4L2_STD_PAL_G|V4L2_STD_PAL_H|V4L2_STD_SECAM_G|V4L2_STD_SECAM_H)
655 #define V4L2_STD_DK	(V4L2_STD_PAL_DK|V4L2_STD_SECAM_DK)
656 
657 /* some common needed stuff */
658 #define V4L2_STD_PAL_BG		(V4L2_STD_PAL_B		|\
659 				 V4L2_STD_PAL_B1	|\
660 				 V4L2_STD_PAL_G)
661 #define V4L2_STD_PAL_DK		(V4L2_STD_PAL_D		|\
662 				 V4L2_STD_PAL_D1	|\
663 				 V4L2_STD_PAL_K)
664 #define V4L2_STD_PAL		(V4L2_STD_PAL_BG	|\
665 				 V4L2_STD_PAL_DK	|\
666 				 V4L2_STD_PAL_H		|\
667 				 V4L2_STD_PAL_I)
668 #define V4L2_STD_NTSC           (V4L2_STD_NTSC_M	|\
669 				 V4L2_STD_NTSC_M_JP     |\
670 				 V4L2_STD_NTSC_M_KR)
671 #define V4L2_STD_SECAM_DK      	(V4L2_STD_SECAM_D	|\
672 				 V4L2_STD_SECAM_K	|\
673 				 V4L2_STD_SECAM_K1)
674 #define V4L2_STD_SECAM		(V4L2_STD_SECAM_B	|\
675 				 V4L2_STD_SECAM_G	|\
676 				 V4L2_STD_SECAM_H	|\
677 				 V4L2_STD_SECAM_DK	|\
678 				 V4L2_STD_SECAM_L       |\
679 				 V4L2_STD_SECAM_LC)
680 
681 #define V4L2_STD_525_60		(V4L2_STD_PAL_M		|\
682 				 V4L2_STD_PAL_60	|\
683 				 V4L2_STD_NTSC		|\
684 				 V4L2_STD_NTSC_443)
685 #define V4L2_STD_625_50		(V4L2_STD_PAL		|\
686 				 V4L2_STD_PAL_N		|\
687 				 V4L2_STD_PAL_Nc	|\
688 				 V4L2_STD_SECAM)
689 #define V4L2_STD_ATSC           (V4L2_STD_ATSC_8_VSB    |\
690 				 V4L2_STD_ATSC_16_VSB)
691 
692 #define V4L2_STD_UNKNOWN        0
693 #define V4L2_STD_ALL            (V4L2_STD_525_60	|\
694 				 V4L2_STD_625_50)
695 
696 struct v4l2_standard {
697 	__u32		     index;
698 	v4l2_std_id          id;
699 	__u8		     name[24];
700 	struct v4l2_fract    frameperiod; /* Frames, not fields */
701 	__u32		     framelines;
702 	__u32		     reserved[4];
703 };
704 
705 /*
706  *	V I D E O   I N P U T S
707  */
708 struct v4l2_input {
709 	__u32	     index;		/*  Which input */
710 	__u8	     name[32];		/*  Label */
711 	__u32	     type;		/*  Type of input */
712 	__u32	     audioset;		/*  Associated audios (bitfield) */
713 	__u32        tuner;             /*  Associated tuner */
714 	v4l2_std_id  std;
715 	__u32	     status;
716 	__u32	     reserved[4];
717 };
718 
719 /*  Values for the 'type' field */
720 #define V4L2_INPUT_TYPE_TUNER		1
721 #define V4L2_INPUT_TYPE_CAMERA		2
722 
723 /* field 'status' - general */
724 #define V4L2_IN_ST_NO_POWER    0x00000001  /* Attached device is off */
725 #define V4L2_IN_ST_NO_SIGNAL   0x00000002
726 #define V4L2_IN_ST_NO_COLOR    0x00000004
727 
728 /* field 'status' - analog */
729 #define V4L2_IN_ST_NO_H_LOCK   0x00000100  /* No horizontal sync lock */
730 #define V4L2_IN_ST_COLOR_KILL  0x00000200  /* Color killer is active */
731 
732 /* field 'status' - digital */
733 #define V4L2_IN_ST_NO_SYNC     0x00010000  /* No synchronization lock */
734 #define V4L2_IN_ST_NO_EQU      0x00020000  /* No equalizer lock */
735 #define V4L2_IN_ST_NO_CARRIER  0x00040000  /* Carrier recovery failed */
736 
737 /* field 'status' - VCR and set-top box */
738 #define V4L2_IN_ST_MACROVISION 0x01000000  /* Macrovision detected */
739 #define V4L2_IN_ST_NO_ACCESS   0x02000000  /* Conditional access denied */
740 #define V4L2_IN_ST_VTR         0x04000000  /* VTR time constant */
741 
742 /*
743  *	V I D E O   O U T P U T S
744  */
745 struct v4l2_output {
746 	__u32	     index;		/*  Which output */
747 	__u8	     name[32];		/*  Label */
748 	__u32	     type;		/*  Type of output */
749 	__u32	     audioset;		/*  Associated audios (bitfield) */
750 	__u32	     modulator;         /*  Associated modulator */
751 	v4l2_std_id  std;
752 	__u32	     reserved[4];
753 };
754 /*  Values for the 'type' field */
755 #define V4L2_OUTPUT_TYPE_MODULATOR		1
756 #define V4L2_OUTPUT_TYPE_ANALOG			2
757 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY	3
758 
759 /*
760  *	C O N T R O L S
761  */
762 struct v4l2_control {
763 	__u32		     id;
764 	__s32		     value;
765 };
766 
767 struct v4l2_ext_control {
768 	__u32 id;
769 	__u32 reserved2[2];
770 	union {
771 		__s32 value;
772 		__s64 value64;
773 		void *reserved;
774 	};
775 } __attribute__ ((packed));
776 
777 struct v4l2_ext_controls {
778 	__u32 ctrl_class;
779 	__u32 count;
780 	__u32 error_idx;
781 	__u32 reserved[2];
782 	struct v4l2_ext_control *controls;
783 };
784 
785 /*  Values for ctrl_class field */
786 #define V4L2_CTRL_CLASS_USER 0x00980000	/* Old-style 'user' controls */
787 #define V4L2_CTRL_CLASS_MPEG 0x00990000	/* MPEG-compression controls */
788 #define V4L2_CTRL_CLASS_CAMERA 0x009a0000	/* Camera class controls */
789 
790 #define V4L2_CTRL_ID_MASK      	  (0x0fffffff)
791 #define V4L2_CTRL_ID2CLASS(id)    ((id) & 0x0fff0000UL)
792 #define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)
793 
794 /*  Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
795 struct v4l2_queryctrl {
796 	__u32		     id;
797 	enum v4l2_ctrl_type  type;
798 	__u8		     name[32];	/* Whatever */
799 	__s32		     minimum;	/* Note signedness */
800 	__s32		     maximum;
801 	__s32		     step;
802 	__s32		     default_value;
803 	__u32                flags;
804 	__u32		     reserved[2];
805 };
806 
807 /*  Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
808 struct v4l2_querymenu {
809 	__u32		id;
810 	__u32		index;
811 	__u8		name[32];	/* Whatever */
812 	__u32		reserved;
813 };
814 
815 /*  Control flags  */
816 #define V4L2_CTRL_FLAG_DISABLED		0x0001
817 #define V4L2_CTRL_FLAG_GRABBED		0x0002
818 #define V4L2_CTRL_FLAG_READ_ONLY 	0x0004
819 #define V4L2_CTRL_FLAG_UPDATE 		0x0008
820 #define V4L2_CTRL_FLAG_INACTIVE 	0x0010
821 #define V4L2_CTRL_FLAG_SLIDER 		0x0020
822 
823 /*  Query flag, to be ORed with the control ID */
824 #define V4L2_CTRL_FLAG_NEXT_CTRL	0x80000000
825 
826 /*  User-class control IDs defined by V4L2 */
827 #define V4L2_CID_BASE			(V4L2_CTRL_CLASS_USER | 0x900)
828 #define V4L2_CID_USER_BASE 		V4L2_CID_BASE
829 /*  IDs reserved for driver specific controls */
830 #define V4L2_CID_PRIVATE_BASE		0x08000000
831 
832 #define V4L2_CID_USER_CLASS 		(V4L2_CTRL_CLASS_USER | 1)
833 #define V4L2_CID_BRIGHTNESS		(V4L2_CID_BASE+0)
834 #define V4L2_CID_CONTRAST		(V4L2_CID_BASE+1)
835 #define V4L2_CID_SATURATION		(V4L2_CID_BASE+2)
836 #define V4L2_CID_HUE			(V4L2_CID_BASE+3)
837 #define V4L2_CID_AUDIO_VOLUME		(V4L2_CID_BASE+5)
838 #define V4L2_CID_AUDIO_BALANCE		(V4L2_CID_BASE+6)
839 #define V4L2_CID_AUDIO_BASS		(V4L2_CID_BASE+7)
840 #define V4L2_CID_AUDIO_TREBLE		(V4L2_CID_BASE+8)
841 #define V4L2_CID_AUDIO_MUTE		(V4L2_CID_BASE+9)
842 #define V4L2_CID_AUDIO_LOUDNESS		(V4L2_CID_BASE+10)
843 #define V4L2_CID_BLACK_LEVEL		(V4L2_CID_BASE+11) /* Deprecated */
844 #define V4L2_CID_AUTO_WHITE_BALANCE	(V4L2_CID_BASE+12)
845 #define V4L2_CID_DO_WHITE_BALANCE	(V4L2_CID_BASE+13)
846 #define V4L2_CID_RED_BALANCE		(V4L2_CID_BASE+14)
847 #define V4L2_CID_BLUE_BALANCE		(V4L2_CID_BASE+15)
848 #define V4L2_CID_GAMMA			(V4L2_CID_BASE+16)
849 #define V4L2_CID_WHITENESS		(V4L2_CID_GAMMA) /* Deprecated */
850 #define V4L2_CID_EXPOSURE		(V4L2_CID_BASE+17)
851 #define V4L2_CID_AUTOGAIN		(V4L2_CID_BASE+18)
852 #define V4L2_CID_GAIN			(V4L2_CID_BASE+19)
853 #define V4L2_CID_HFLIP			(V4L2_CID_BASE+20)
854 #define V4L2_CID_VFLIP			(V4L2_CID_BASE+21)
855 
856 /* Deprecated; use V4L2_CID_PAN_RESET and V4L2_CID_TILT_RESET */
857 #define V4L2_CID_HCENTER		(V4L2_CID_BASE+22)
858 #define V4L2_CID_VCENTER		(V4L2_CID_BASE+23)
859 
860 #define V4L2_CID_POWER_LINE_FREQUENCY	(V4L2_CID_BASE+24)
861 enum v4l2_power_line_frequency {
862 	V4L2_CID_POWER_LINE_FREQUENCY_DISABLED	= 0,
863 	V4L2_CID_POWER_LINE_FREQUENCY_50HZ	= 1,
864 	V4L2_CID_POWER_LINE_FREQUENCY_60HZ	= 2,
865 };
866 #define V4L2_CID_HUE_AUTO			(V4L2_CID_BASE+25)
867 #define V4L2_CID_WHITE_BALANCE_TEMPERATURE	(V4L2_CID_BASE+26)
868 #define V4L2_CID_SHARPNESS			(V4L2_CID_BASE+27)
869 #define V4L2_CID_BACKLIGHT_COMPENSATION 	(V4L2_CID_BASE+28)
870 #define V4L2_CID_CHROMA_AGC                     (V4L2_CID_BASE+29)
871 #define V4L2_CID_COLOR_KILLER                   (V4L2_CID_BASE+30)
872 /* last CID + 1 */
873 #define V4L2_CID_LASTP1                         (V4L2_CID_BASE+31)
874 
875 /*  MPEG-class control IDs defined by V4L2 */
876 #define V4L2_CID_MPEG_BASE 			(V4L2_CTRL_CLASS_MPEG | 0x900)
877 #define V4L2_CID_MPEG_CLASS 			(V4L2_CTRL_CLASS_MPEG | 1)
878 
879 /*  MPEG streams */
880 #define V4L2_CID_MPEG_STREAM_TYPE 		(V4L2_CID_MPEG_BASE+0)
881 enum v4l2_mpeg_stream_type {
882 	V4L2_MPEG_STREAM_TYPE_MPEG2_PS   = 0, /* MPEG-2 program stream */
883 	V4L2_MPEG_STREAM_TYPE_MPEG2_TS   = 1, /* MPEG-2 transport stream */
884 	V4L2_MPEG_STREAM_TYPE_MPEG1_SS   = 2, /* MPEG-1 system stream */
885 	V4L2_MPEG_STREAM_TYPE_MPEG2_DVD  = 3, /* MPEG-2 DVD-compatible stream */
886 	V4L2_MPEG_STREAM_TYPE_MPEG1_VCD  = 4, /* MPEG-1 VCD-compatible stream */
887 	V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD = 5, /* MPEG-2 SVCD-compatible stream */
888 };
889 #define V4L2_CID_MPEG_STREAM_PID_PMT 		(V4L2_CID_MPEG_BASE+1)
890 #define V4L2_CID_MPEG_STREAM_PID_AUDIO 		(V4L2_CID_MPEG_BASE+2)
891 #define V4L2_CID_MPEG_STREAM_PID_VIDEO 		(V4L2_CID_MPEG_BASE+3)
892 #define V4L2_CID_MPEG_STREAM_PID_PCR 		(V4L2_CID_MPEG_BASE+4)
893 #define V4L2_CID_MPEG_STREAM_PES_ID_AUDIO 	(V4L2_CID_MPEG_BASE+5)
894 #define V4L2_CID_MPEG_STREAM_PES_ID_VIDEO 	(V4L2_CID_MPEG_BASE+6)
895 #define V4L2_CID_MPEG_STREAM_VBI_FMT 		(V4L2_CID_MPEG_BASE+7)
896 enum v4l2_mpeg_stream_vbi_fmt {
897 	V4L2_MPEG_STREAM_VBI_FMT_NONE = 0,  /* No VBI in the MPEG stream */
898 	V4L2_MPEG_STREAM_VBI_FMT_IVTV = 1,  /* VBI in private packets, IVTV format */
899 };
900 
901 /*  MPEG audio */
902 #define V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ 	(V4L2_CID_MPEG_BASE+100)
903 enum v4l2_mpeg_audio_sampling_freq {
904 	V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100 = 0,
905 	V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000 = 1,
906 	V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000 = 2,
907 };
908 #define V4L2_CID_MPEG_AUDIO_ENCODING 		(V4L2_CID_MPEG_BASE+101)
909 enum v4l2_mpeg_audio_encoding {
910 	V4L2_MPEG_AUDIO_ENCODING_LAYER_1 = 0,
911 	V4L2_MPEG_AUDIO_ENCODING_LAYER_2 = 1,
912 	V4L2_MPEG_AUDIO_ENCODING_LAYER_3 = 2,
913 };
914 #define V4L2_CID_MPEG_AUDIO_L1_BITRATE 		(V4L2_CID_MPEG_BASE+102)
915 enum v4l2_mpeg_audio_l1_bitrate {
916 	V4L2_MPEG_AUDIO_L1_BITRATE_32K  = 0,
917 	V4L2_MPEG_AUDIO_L1_BITRATE_64K  = 1,
918 	V4L2_MPEG_AUDIO_L1_BITRATE_96K  = 2,
919 	V4L2_MPEG_AUDIO_L1_BITRATE_128K = 3,
920 	V4L2_MPEG_AUDIO_L1_BITRATE_160K = 4,
921 	V4L2_MPEG_AUDIO_L1_BITRATE_192K = 5,
922 	V4L2_MPEG_AUDIO_L1_BITRATE_224K = 6,
923 	V4L2_MPEG_AUDIO_L1_BITRATE_256K = 7,
924 	V4L2_MPEG_AUDIO_L1_BITRATE_288K = 8,
925 	V4L2_MPEG_AUDIO_L1_BITRATE_320K = 9,
926 	V4L2_MPEG_AUDIO_L1_BITRATE_352K = 10,
927 	V4L2_MPEG_AUDIO_L1_BITRATE_384K = 11,
928 	V4L2_MPEG_AUDIO_L1_BITRATE_416K = 12,
929 	V4L2_MPEG_AUDIO_L1_BITRATE_448K = 13,
930 };
931 #define V4L2_CID_MPEG_AUDIO_L2_BITRATE 		(V4L2_CID_MPEG_BASE+103)
932 enum v4l2_mpeg_audio_l2_bitrate {
933 	V4L2_MPEG_AUDIO_L2_BITRATE_32K  = 0,
934 	V4L2_MPEG_AUDIO_L2_BITRATE_48K  = 1,
935 	V4L2_MPEG_AUDIO_L2_BITRATE_56K  = 2,
936 	V4L2_MPEG_AUDIO_L2_BITRATE_64K  = 3,
937 	V4L2_MPEG_AUDIO_L2_BITRATE_80K  = 4,
938 	V4L2_MPEG_AUDIO_L2_BITRATE_96K  = 5,
939 	V4L2_MPEG_AUDIO_L2_BITRATE_112K = 6,
940 	V4L2_MPEG_AUDIO_L2_BITRATE_128K = 7,
941 	V4L2_MPEG_AUDIO_L2_BITRATE_160K = 8,
942 	V4L2_MPEG_AUDIO_L2_BITRATE_192K = 9,
943 	V4L2_MPEG_AUDIO_L2_BITRATE_224K = 10,
944 	V4L2_MPEG_AUDIO_L2_BITRATE_256K = 11,
945 	V4L2_MPEG_AUDIO_L2_BITRATE_320K = 12,
946 	V4L2_MPEG_AUDIO_L2_BITRATE_384K = 13,
947 };
948 #define V4L2_CID_MPEG_AUDIO_L3_BITRATE 		(V4L2_CID_MPEG_BASE+104)
949 enum v4l2_mpeg_audio_l3_bitrate {
950 	V4L2_MPEG_AUDIO_L3_BITRATE_32K  = 0,
951 	V4L2_MPEG_AUDIO_L3_BITRATE_40K  = 1,
952 	V4L2_MPEG_AUDIO_L3_BITRATE_48K  = 2,
953 	V4L2_MPEG_AUDIO_L3_BITRATE_56K  = 3,
954 	V4L2_MPEG_AUDIO_L3_BITRATE_64K  = 4,
955 	V4L2_MPEG_AUDIO_L3_BITRATE_80K  = 5,
956 	V4L2_MPEG_AUDIO_L3_BITRATE_96K  = 6,
957 	V4L2_MPEG_AUDIO_L3_BITRATE_112K = 7,
958 	V4L2_MPEG_AUDIO_L3_BITRATE_128K = 8,
959 	V4L2_MPEG_AUDIO_L3_BITRATE_160K = 9,
960 	V4L2_MPEG_AUDIO_L3_BITRATE_192K = 10,
961 	V4L2_MPEG_AUDIO_L3_BITRATE_224K = 11,
962 	V4L2_MPEG_AUDIO_L3_BITRATE_256K = 12,
963 	V4L2_MPEG_AUDIO_L3_BITRATE_320K = 13,
964 };
965 #define V4L2_CID_MPEG_AUDIO_MODE 		(V4L2_CID_MPEG_BASE+105)
966 enum v4l2_mpeg_audio_mode {
967 	V4L2_MPEG_AUDIO_MODE_STEREO       = 0,
968 	V4L2_MPEG_AUDIO_MODE_JOINT_STEREO = 1,
969 	V4L2_MPEG_AUDIO_MODE_DUAL         = 2,
970 	V4L2_MPEG_AUDIO_MODE_MONO         = 3,
971 };
972 #define V4L2_CID_MPEG_AUDIO_MODE_EXTENSION 	(V4L2_CID_MPEG_BASE+106)
973 enum v4l2_mpeg_audio_mode_extension {
974 	V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4  = 0,
975 	V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_8  = 1,
976 	V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_12 = 2,
977 	V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16 = 3,
978 };
979 #define V4L2_CID_MPEG_AUDIO_EMPHASIS 		(V4L2_CID_MPEG_BASE+107)
980 enum v4l2_mpeg_audio_emphasis {
981 	V4L2_MPEG_AUDIO_EMPHASIS_NONE         = 0,
982 	V4L2_MPEG_AUDIO_EMPHASIS_50_DIV_15_uS = 1,
983 	V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17    = 2,
984 };
985 #define V4L2_CID_MPEG_AUDIO_CRC 		(V4L2_CID_MPEG_BASE+108)
986 enum v4l2_mpeg_audio_crc {
987 	V4L2_MPEG_AUDIO_CRC_NONE  = 0,
988 	V4L2_MPEG_AUDIO_CRC_CRC16 = 1,
989 };
990 #define V4L2_CID_MPEG_AUDIO_MUTE 		(V4L2_CID_MPEG_BASE+109)
991 
992 /*  MPEG video */
993 #define V4L2_CID_MPEG_VIDEO_ENCODING 		(V4L2_CID_MPEG_BASE+200)
994 enum v4l2_mpeg_video_encoding {
995 	V4L2_MPEG_VIDEO_ENCODING_MPEG_1 = 0,
996 	V4L2_MPEG_VIDEO_ENCODING_MPEG_2 = 1,
997 };
998 #define V4L2_CID_MPEG_VIDEO_ASPECT 		(V4L2_CID_MPEG_BASE+201)
999 enum v4l2_mpeg_video_aspect {
1000 	V4L2_MPEG_VIDEO_ASPECT_1x1     = 0,
1001 	V4L2_MPEG_VIDEO_ASPECT_4x3     = 1,
1002 	V4L2_MPEG_VIDEO_ASPECT_16x9    = 2,
1003 	V4L2_MPEG_VIDEO_ASPECT_221x100 = 3,
1004 };
1005 #define V4L2_CID_MPEG_VIDEO_B_FRAMES 		(V4L2_CID_MPEG_BASE+202)
1006 #define V4L2_CID_MPEG_VIDEO_GOP_SIZE 		(V4L2_CID_MPEG_BASE+203)
1007 #define V4L2_CID_MPEG_VIDEO_GOP_CLOSURE 	(V4L2_CID_MPEG_BASE+204)
1008 #define V4L2_CID_MPEG_VIDEO_PULLDOWN 		(V4L2_CID_MPEG_BASE+205)
1009 #define V4L2_CID_MPEG_VIDEO_BITRATE_MODE 	(V4L2_CID_MPEG_BASE+206)
1010 enum v4l2_mpeg_video_bitrate_mode {
1011 	V4L2_MPEG_VIDEO_BITRATE_MODE_VBR = 0,
1012 	V4L2_MPEG_VIDEO_BITRATE_MODE_CBR = 1,
1013 };
1014 #define V4L2_CID_MPEG_VIDEO_BITRATE 		(V4L2_CID_MPEG_BASE+207)
1015 #define V4L2_CID_MPEG_VIDEO_BITRATE_PEAK 	(V4L2_CID_MPEG_BASE+208)
1016 #define V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION (V4L2_CID_MPEG_BASE+209)
1017 #define V4L2_CID_MPEG_VIDEO_MUTE 		(V4L2_CID_MPEG_BASE+210)
1018 #define V4L2_CID_MPEG_VIDEO_MUTE_YUV 		(V4L2_CID_MPEG_BASE+211)
1019 
1020 /*  MPEG-class control IDs specific to the CX2584x driver as defined by V4L2 */
1021 #define V4L2_CID_MPEG_CX2341X_BASE 				(V4L2_CTRL_CLASS_MPEG | 0x1000)
1022 #define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE 	(V4L2_CID_MPEG_CX2341X_BASE+0)
1023 enum v4l2_mpeg_cx2341x_video_spatial_filter_mode {
1024 	V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL = 0,
1025 	V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO   = 1,
1026 };
1027 #define V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER 		(V4L2_CID_MPEG_CX2341X_BASE+1)
1028 #define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE 	(V4L2_CID_MPEG_CX2341X_BASE+2)
1029 enum v4l2_mpeg_cx2341x_video_luma_spatial_filter_type {
1030 	V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_OFF                  = 0,
1031 	V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_HOR               = 1,
1032 	V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_VERT              = 2,
1033 	V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_HV_SEPARABLE      = 3,
1034 	V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_SYM_NON_SEPARABLE = 4,
1035 };
1036 #define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE 	(V4L2_CID_MPEG_CX2341X_BASE+3)
1037 enum v4l2_mpeg_cx2341x_video_chroma_spatial_filter_type {
1038 	V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_OFF    = 0,
1039 	V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR = 1,
1040 };
1041 #define V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE 	(V4L2_CID_MPEG_CX2341X_BASE+4)
1042 enum v4l2_mpeg_cx2341x_video_temporal_filter_mode {
1043 	V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL = 0,
1044 	V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO   = 1,
1045 };
1046 #define V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER 		(V4L2_CID_MPEG_CX2341X_BASE+5)
1047 #define V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE 		(V4L2_CID_MPEG_CX2341X_BASE+6)
1048 enum v4l2_mpeg_cx2341x_video_median_filter_type {
1049 	V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF      = 0,
1050 	V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR      = 1,
1051 	V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_VERT     = 2,
1052 	V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR_VERT = 3,
1053 	V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_DIAG     = 4,
1054 };
1055 #define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM 	(V4L2_CID_MPEG_CX2341X_BASE+7)
1056 #define V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP 	(V4L2_CID_MPEG_CX2341X_BASE+8)
1057 #define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM	(V4L2_CID_MPEG_CX2341X_BASE+9)
1058 #define V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP 	(V4L2_CID_MPEG_CX2341X_BASE+10)
1059 #define V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS 	(V4L2_CID_MPEG_CX2341X_BASE+11)
1060 
1061 /*  Camera class control IDs */
1062 #define V4L2_CID_CAMERA_CLASS_BASE 	(V4L2_CTRL_CLASS_CAMERA | 0x900)
1063 #define V4L2_CID_CAMERA_CLASS 		(V4L2_CTRL_CLASS_CAMERA | 1)
1064 
1065 #define V4L2_CID_EXPOSURE_AUTO			(V4L2_CID_CAMERA_CLASS_BASE+1)
1066 enum  v4l2_exposure_auto_type {
1067 	V4L2_EXPOSURE_AUTO = 0,
1068 	V4L2_EXPOSURE_MANUAL = 1,
1069 	V4L2_EXPOSURE_SHUTTER_PRIORITY = 2,
1070 	V4L2_EXPOSURE_APERTURE_PRIORITY = 3
1071 };
1072 #define V4L2_CID_EXPOSURE_ABSOLUTE		(V4L2_CID_CAMERA_CLASS_BASE+2)
1073 #define V4L2_CID_EXPOSURE_AUTO_PRIORITY		(V4L2_CID_CAMERA_CLASS_BASE+3)
1074 
1075 #define V4L2_CID_PAN_RELATIVE			(V4L2_CID_CAMERA_CLASS_BASE+4)
1076 #define V4L2_CID_TILT_RELATIVE			(V4L2_CID_CAMERA_CLASS_BASE+5)
1077 #define V4L2_CID_PAN_RESET			(V4L2_CID_CAMERA_CLASS_BASE+6)
1078 #define V4L2_CID_TILT_RESET			(V4L2_CID_CAMERA_CLASS_BASE+7)
1079 
1080 #define V4L2_CID_PAN_ABSOLUTE			(V4L2_CID_CAMERA_CLASS_BASE+8)
1081 #define V4L2_CID_TILT_ABSOLUTE			(V4L2_CID_CAMERA_CLASS_BASE+9)
1082 
1083 #define V4L2_CID_FOCUS_ABSOLUTE			(V4L2_CID_CAMERA_CLASS_BASE+10)
1084 #define V4L2_CID_FOCUS_RELATIVE			(V4L2_CID_CAMERA_CLASS_BASE+11)
1085 #define V4L2_CID_FOCUS_AUTO			(V4L2_CID_CAMERA_CLASS_BASE+12)
1086 
1087 /*
1088  *	T U N I N G
1089  */
1090 struct v4l2_tuner {
1091 	__u32                   index;
1092 	__u8			name[32];
1093 	enum v4l2_tuner_type    type;
1094 	__u32			capability;
1095 	__u32			rangelow;
1096 	__u32			rangehigh;
1097 	__u32			rxsubchans;
1098 	__u32			audmode;
1099 	__s32			signal;
1100 	__s32			afc;
1101 	__u32			reserved[4];
1102 };
1103 
1104 struct v4l2_modulator {
1105 	__u32			index;
1106 	__u8			name[32];
1107 	__u32			capability;
1108 	__u32			rangelow;
1109 	__u32			rangehigh;
1110 	__u32			txsubchans;
1111 	__u32			reserved[4];
1112 };
1113 
1114 /*  Flags for the 'capability' field */
1115 #define V4L2_TUNER_CAP_LOW		0x0001
1116 #define V4L2_TUNER_CAP_NORM		0x0002
1117 #define V4L2_TUNER_CAP_STEREO		0x0010
1118 #define V4L2_TUNER_CAP_LANG2		0x0020
1119 #define V4L2_TUNER_CAP_SAP		0x0020
1120 #define V4L2_TUNER_CAP_LANG1		0x0040
1121 
1122 /*  Flags for the 'rxsubchans' field */
1123 #define V4L2_TUNER_SUB_MONO		0x0001
1124 #define V4L2_TUNER_SUB_STEREO		0x0002
1125 #define V4L2_TUNER_SUB_LANG2		0x0004
1126 #define V4L2_TUNER_SUB_SAP		0x0004
1127 #define V4L2_TUNER_SUB_LANG1		0x0008
1128 
1129 /*  Values for the 'audmode' field */
1130 #define V4L2_TUNER_MODE_MONO		0x0000
1131 #define V4L2_TUNER_MODE_STEREO		0x0001
1132 #define V4L2_TUNER_MODE_LANG2		0x0002
1133 #define V4L2_TUNER_MODE_SAP		0x0002
1134 #define V4L2_TUNER_MODE_LANG1		0x0003
1135 #define V4L2_TUNER_MODE_LANG1_LANG2	0x0004
1136 
1137 struct v4l2_frequency {
1138 	__u32		      tuner;
1139 	enum v4l2_tuner_type  type;
1140 	__u32		      frequency;
1141 	__u32		      reserved[8];
1142 };
1143 
1144 struct v4l2_hw_freq_seek {
1145 	__u32		      tuner;
1146 	enum v4l2_tuner_type  type;
1147 	__u32		      seek_upward;
1148 	__u32		      wrap_around;
1149 	__u32		      reserved[8];
1150 };
1151 
1152 /*
1153  *	A U D I O
1154  */
1155 struct v4l2_audio {
1156 	__u32	index;
1157 	__u8	name[32];
1158 	__u32	capability;
1159 	__u32	mode;
1160 	__u32	reserved[2];
1161 };
1162 
1163 /*  Flags for the 'capability' field */
1164 #define V4L2_AUDCAP_STEREO		0x00001
1165 #define V4L2_AUDCAP_AVL			0x00002
1166 
1167 /*  Flags for the 'mode' field */
1168 #define V4L2_AUDMODE_AVL		0x00001
1169 
1170 struct v4l2_audioout {
1171 	__u32	index;
1172 	__u8	name[32];
1173 	__u32	capability;
1174 	__u32	mode;
1175 	__u32	reserved[2];
1176 };
1177 
1178 /*
1179  *	M P E G   S E R V I C E S
1180  *
1181  *	NOTE: EXPERIMENTAL API
1182  */
1183 #if 1
1184 #define V4L2_ENC_IDX_FRAME_I    (0)
1185 #define V4L2_ENC_IDX_FRAME_P    (1)
1186 #define V4L2_ENC_IDX_FRAME_B    (2)
1187 #define V4L2_ENC_IDX_FRAME_MASK (0xf)
1188 
1189 struct v4l2_enc_idx_entry {
1190 	__u64 offset;
1191 	__u64 pts;
1192 	__u32 length;
1193 	__u32 flags;
1194 	__u32 reserved[2];
1195 };
1196 
1197 #define V4L2_ENC_IDX_ENTRIES (64)
1198 struct v4l2_enc_idx {
1199 	__u32 entries;
1200 	__u32 entries_cap;
1201 	__u32 reserved[4];
1202 	struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
1203 };
1204 
1205 
1206 #define V4L2_ENC_CMD_START      (0)
1207 #define V4L2_ENC_CMD_STOP       (1)
1208 #define V4L2_ENC_CMD_PAUSE      (2)
1209 #define V4L2_ENC_CMD_RESUME     (3)
1210 
1211 /* Flags for V4L2_ENC_CMD_STOP */
1212 #define V4L2_ENC_CMD_STOP_AT_GOP_END    (1 << 0)
1213 
1214 struct v4l2_encoder_cmd {
1215 	__u32 cmd;
1216 	__u32 flags;
1217 	union {
1218 		struct {
1219 			__u32 data[8];
1220 		} raw;
1221 	};
1222 };
1223 
1224 #endif
1225 
1226 
1227 /*
1228  *	D A T A   S E R V I C E S   ( V B I )
1229  *
1230  *	Data services API by Michael Schimek
1231  */
1232 
1233 /* Raw VBI */
1234 struct v4l2_vbi_format {
1235 	__u32	sampling_rate;		/* in 1 Hz */
1236 	__u32	offset;
1237 	__u32	samples_per_line;
1238 	__u32	sample_format;		/* V4L2_PIX_FMT_* */
1239 	__s32	start[2];
1240 	__u32	count[2];
1241 	__u32	flags;			/* V4L2_VBI_* */
1242 	__u32	reserved[2];		/* must be zero */
1243 };
1244 
1245 /*  VBI flags  */
1246 #define V4L2_VBI_UNSYNC		(1 << 0)
1247 #define V4L2_VBI_INTERLACED	(1 << 1)
1248 
1249 /* Sliced VBI
1250  *
1251  *    This implements is a proposal V4L2 API to allow SLICED VBI
1252  * required for some hardware encoders. It should change without
1253  * notice in the definitive implementation.
1254  */
1255 
1256 struct v4l2_sliced_vbi_format {
1257 	__u16   service_set;
1258 	/* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
1259 	   service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
1260 				 (equals frame lines 313-336 for 625 line video
1261 				  standards, 263-286 for 525 line standards) */
1262 	__u16   service_lines[2][24];
1263 	__u32   io_size;
1264 	__u32   reserved[2];            /* must be zero */
1265 };
1266 
1267 /* Teletext World System Teletext
1268    (WST), defined on ITU-R BT.653-2 */
1269 #define V4L2_SLICED_TELETEXT_B          (0x0001)
1270 /* Video Program System, defined on ETS 300 231*/
1271 #define V4L2_SLICED_VPS                 (0x0400)
1272 /* Closed Caption, defined on EIA-608 */
1273 #define V4L2_SLICED_CAPTION_525         (0x1000)
1274 /* Wide Screen System, defined on ITU-R BT1119.1 */
1275 #define V4L2_SLICED_WSS_625             (0x4000)
1276 
1277 #define V4L2_SLICED_VBI_525             (V4L2_SLICED_CAPTION_525)
1278 #define V4L2_SLICED_VBI_625             (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
1279 
1280 struct v4l2_sliced_vbi_cap {
1281 	__u16   service_set;
1282 	/* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
1283 	   service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
1284 				 (equals frame lines 313-336 for 625 line video
1285 				  standards, 263-286 for 525 line standards) */
1286 	__u16   service_lines[2][24];
1287 	enum v4l2_buf_type type;
1288 	__u32   reserved[3];    /* must be 0 */
1289 };
1290 
1291 struct v4l2_sliced_vbi_data {
1292 	__u32   id;
1293 	__u32   field;          /* 0: first field, 1: second field */
1294 	__u32   line;           /* 1-23 */
1295 	__u32   reserved;       /* must be 0 */
1296 	__u8    data[48];
1297 };
1298 
1299 /*
1300  *	A G G R E G A T E   S T R U C T U R E S
1301  */
1302 
1303 /*	Stream data format
1304  */
1305 struct v4l2_format {
1306 	enum v4l2_buf_type type;
1307 	union {
1308 		struct v4l2_pix_format		pix;     /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
1309 		struct v4l2_window		win;     /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
1310 		struct v4l2_vbi_format		vbi;     /* V4L2_BUF_TYPE_VBI_CAPTURE */
1311 		struct v4l2_sliced_vbi_format	sliced;  /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
1312 		__u8	raw_data[200];                   /* user-defined */
1313 	} fmt;
1314 };
1315 
1316 
1317 /*	Stream type-dependent parameters
1318  */
1319 struct v4l2_streamparm {
1320 	enum v4l2_buf_type type;
1321 	union {
1322 		struct v4l2_captureparm	capture;
1323 		struct v4l2_outputparm	output;
1324 		__u8	raw_data[200];  /* user-defined */
1325 	} parm;
1326 };
1327 
1328 /*
1329  *	A D V A N C E D   D E B U G G I N G
1330  *
1331  *	NOTE: EXPERIMENTAL API
1332  */
1333 
1334 /* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */
1335 
1336 #define V4L2_CHIP_MATCH_HOST       0  /* Match against chip ID on host (0 for the host) */
1337 #define V4L2_CHIP_MATCH_I2C_DRIVER 1  /* Match against I2C driver ID */
1338 #define V4L2_CHIP_MATCH_I2C_ADDR   2  /* Match against I2C 7-bit address */
1339 
1340 struct v4l2_register {
1341 	__u32 match_type; /* Match type */
1342 	__u32 match_chip; /* Match this chip, meaning determined by match_type */
1343 	__u64 reg;
1344 	__u64 val;
1345 };
1346 
1347 /* VIDIOC_G_CHIP_IDENT */
1348 struct v4l2_chip_ident {
1349 	__u32 match_type;  /* Match type */
1350 	__u32 match_chip;  /* Match this chip, meaning determined by match_type */
1351 	__u32 ident;       /* chip identifier as specified in <media/v4l2-chip-ident.h> */
1352 	__u32 revision;    /* chip revision, chip specific */
1353 };
1354 
1355 /*
1356  *	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
1357  *
1358  */
1359 #define VIDIOC_QUERYCAP		 _IOR('V',  0, struct v4l2_capability)
1360 #define VIDIOC_RESERVED		  _IO('V',  1)
1361 #define VIDIOC_ENUM_FMT         _IOWR('V',  2, struct v4l2_fmtdesc)
1362 #define VIDIOC_G_FMT		_IOWR('V',  4, struct v4l2_format)
1363 #define VIDIOC_S_FMT		_IOWR('V',  5, struct v4l2_format)
1364 #define VIDIOC_REQBUFS		_IOWR('V',  8, struct v4l2_requestbuffers)
1365 #define VIDIOC_QUERYBUF		_IOWR('V',  9, struct v4l2_buffer)
1366 #define VIDIOC_G_FBUF		 _IOR('V', 10, struct v4l2_framebuffer)
1367 #define VIDIOC_S_FBUF		 _IOW('V', 11, struct v4l2_framebuffer)
1368 #define VIDIOC_OVERLAY		 _IOW('V', 14, int)
1369 #define VIDIOC_QBUF		_IOWR('V', 15, struct v4l2_buffer)
1370 #define VIDIOC_DQBUF		_IOWR('V', 17, struct v4l2_buffer)
1371 #define VIDIOC_STREAMON		 _IOW('V', 18, int)
1372 #define VIDIOC_STREAMOFF	 _IOW('V', 19, int)
1373 #define VIDIOC_G_PARM		_IOWR('V', 21, struct v4l2_streamparm)
1374 #define VIDIOC_S_PARM		_IOWR('V', 22, struct v4l2_streamparm)
1375 #define VIDIOC_G_STD		 _IOR('V', 23, v4l2_std_id)
1376 #define VIDIOC_S_STD		 _IOW('V', 24, v4l2_std_id)
1377 #define VIDIOC_ENUMSTD		_IOWR('V', 25, struct v4l2_standard)
1378 #define VIDIOC_ENUMINPUT	_IOWR('V', 26, struct v4l2_input)
1379 #define VIDIOC_G_CTRL		_IOWR('V', 27, struct v4l2_control)
1380 #define VIDIOC_S_CTRL		_IOWR('V', 28, struct v4l2_control)
1381 #define VIDIOC_G_TUNER		_IOWR('V', 29, struct v4l2_tuner)
1382 #define VIDIOC_S_TUNER		 _IOW('V', 30, struct v4l2_tuner)
1383 #define VIDIOC_G_AUDIO		 _IOR('V', 33, struct v4l2_audio)
1384 #define VIDIOC_S_AUDIO		 _IOW('V', 34, struct v4l2_audio)
1385 #define VIDIOC_QUERYCTRL	_IOWR('V', 36, struct v4l2_queryctrl)
1386 #define VIDIOC_QUERYMENU	_IOWR('V', 37, struct v4l2_querymenu)
1387 #define VIDIOC_G_INPUT		 _IOR('V', 38, int)
1388 #define VIDIOC_S_INPUT		_IOWR('V', 39, int)
1389 #define VIDIOC_G_OUTPUT		 _IOR('V', 46, int)
1390 #define VIDIOC_S_OUTPUT		_IOWR('V', 47, int)
1391 #define VIDIOC_ENUMOUTPUT	_IOWR('V', 48, struct v4l2_output)
1392 #define VIDIOC_G_AUDOUT		 _IOR('V', 49, struct v4l2_audioout)
1393 #define VIDIOC_S_AUDOUT		 _IOW('V', 50, struct v4l2_audioout)
1394 #define VIDIOC_G_MODULATOR	_IOWR('V', 54, struct v4l2_modulator)
1395 #define VIDIOC_S_MODULATOR	 _IOW('V', 55, struct v4l2_modulator)
1396 #define VIDIOC_G_FREQUENCY	_IOWR('V', 56, struct v4l2_frequency)
1397 #define VIDIOC_S_FREQUENCY	 _IOW('V', 57, struct v4l2_frequency)
1398 #define VIDIOC_CROPCAP		_IOWR('V', 58, struct v4l2_cropcap)
1399 #define VIDIOC_G_CROP		_IOWR('V', 59, struct v4l2_crop)
1400 #define VIDIOC_S_CROP		 _IOW('V', 60, struct v4l2_crop)
1401 #define VIDIOC_G_JPEGCOMP	 _IOR('V', 61, struct v4l2_jpegcompression)
1402 #define VIDIOC_S_JPEGCOMP	 _IOW('V', 62, struct v4l2_jpegcompression)
1403 #define VIDIOC_QUERYSTD      	 _IOR('V', 63, v4l2_std_id)
1404 #define VIDIOC_TRY_FMT      	_IOWR('V', 64, struct v4l2_format)
1405 #define VIDIOC_ENUMAUDIO	_IOWR('V', 65, struct v4l2_audio)
1406 #define VIDIOC_ENUMAUDOUT	_IOWR('V', 66, struct v4l2_audioout)
1407 #define VIDIOC_G_PRIORITY        _IOR('V', 67, enum v4l2_priority)
1408 #define VIDIOC_S_PRIORITY        _IOW('V', 68, enum v4l2_priority)
1409 #define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
1410 #define VIDIOC_LOG_STATUS         _IO('V', 70)
1411 #define VIDIOC_G_EXT_CTRLS	_IOWR('V', 71, struct v4l2_ext_controls)
1412 #define VIDIOC_S_EXT_CTRLS	_IOWR('V', 72, struct v4l2_ext_controls)
1413 #define VIDIOC_TRY_EXT_CTRLS	_IOWR('V', 73, struct v4l2_ext_controls)
1414 #if 1
1415 #define VIDIOC_ENUM_FRAMESIZES	_IOWR('V', 74, struct v4l2_frmsizeenum)
1416 #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
1417 #define VIDIOC_G_ENC_INDEX       _IOR('V', 76, struct v4l2_enc_idx)
1418 #define VIDIOC_ENCODER_CMD      _IOWR('V', 77, struct v4l2_encoder_cmd)
1419 #define VIDIOC_TRY_ENCODER_CMD  _IOWR('V', 78, struct v4l2_encoder_cmd)
1420 
1421 /* Experimental, only implemented if CONFIG_VIDEO_ADV_DEBUG is defined */
1422 #define	VIDIOC_DBG_S_REGISTER 	 _IOW('V', 79, struct v4l2_register)
1423 #define	VIDIOC_DBG_G_REGISTER 	_IOWR('V', 80, struct v4l2_register)
1424 
1425 #define VIDIOC_G_CHIP_IDENT     _IOWR('V', 81, struct v4l2_chip_ident)
1426 #endif
1427 #define VIDIOC_S_HW_FREQ_SEEK	 _IOW('V', 82, struct v4l2_hw_freq_seek)
1428 
1429 #ifdef __OLD_VIDIOC_
1430 /* for compatibility, will go away some day */
1431 #define VIDIOC_OVERLAY_OLD     	_IOWR('V', 14, int)
1432 #define VIDIOC_S_PARM_OLD      	 _IOW('V', 22, struct v4l2_streamparm)
1433 #define VIDIOC_S_CTRL_OLD      	 _IOW('V', 28, struct v4l2_control)
1434 #define VIDIOC_G_AUDIO_OLD     	_IOWR('V', 33, struct v4l2_audio)
1435 #define VIDIOC_G_AUDOUT_OLD    	_IOWR('V', 49, struct v4l2_audioout)
1436 #define VIDIOC_CROPCAP_OLD     	 _IOR('V', 58, struct v4l2_cropcap)
1437 #endif
1438 
1439 #define BASE_VIDIOC_PRIVATE	192		/* 192-255 are private */
1440 
1441 #endif /* __LINUX_VIDEODEV2_H */
1442