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1#ifndef __LINUX_VIDEODEV2_H
2#define __LINUX_VIDEODEV2_H
3/*
4 * Video for Linux Two
5 *
6 * Header file for v4l or V4L2 drivers and applications, for
7 * Linux kernels 2.2.x or 2.4.x.
8 *
9 * See http://bytesex.org/v4l/ for API specs and other
10 * v4l2 documentation.
11 *
12 * Author: Bill Dirks <bdirks@pacbell.net>
13 * Justin Schoeman
14 * et al.
15 */
16#ifdef __KERNEL__
17#include <linux/time.h> /* need struct timeval */
18#include <linux/poll.h>
19#include <linux/device.h>
20#include <linux/mutex.h>
21#endif
22#include <linux/compiler.h> /* need __user */
23
24
25#define OBSOLETE_OWNER 1 /* It will be removed for 2.6.17 */
26#define HAVE_V4L2 1
27
28/*
29 * Common stuff for both V4L1 and V4L2
30 * Moved from videodev.h
31 */
32
33#define VIDEO_MAX_FRAME 32
34
35#define VID_TYPE_CAPTURE 1 /* Can capture */
36#define VID_TYPE_TUNER 2 /* Can tune */
37#define VID_TYPE_TELETEXT 4 /* Does teletext */
38#define VID_TYPE_OVERLAY 8 /* Overlay onto frame buffer */
39#define VID_TYPE_CHROMAKEY 16 /* Overlay by chromakey */
40#define VID_TYPE_CLIPPING 32 /* Can clip */
41#define VID_TYPE_FRAMERAM 64 /* Uses the frame buffer memory */
42#define VID_TYPE_SCALES 128 /* Scalable */
43#define VID_TYPE_MONOCHROME 256 /* Monochrome only */
44#define VID_TYPE_SUBCAPTURE 512 /* Can capture subareas of the image */
45#define VID_TYPE_MPEG_DECODER 1024 /* Can decode MPEG streams */
46#define VID_TYPE_MPEG_ENCODER 2048 /* Can encode MPEG streams */
47#define VID_TYPE_MJPEG_DECODER 4096 /* Can decode MJPEG streams */
48#define VID_TYPE_MJPEG_ENCODER 8192 /* Can encode MJPEG streams */
49
50#ifdef __KERNEL__
51
52/* Minor device allocation */
53#define MINOR_VFL_TYPE_GRABBER_MIN 0
54#define MINOR_VFL_TYPE_GRABBER_MAX 63
55#define MINOR_VFL_TYPE_RADIO_MIN 64
56#define MINOR_VFL_TYPE_RADIO_MAX 127
57#define MINOR_VFL_TYPE_VTX_MIN 192
58#define MINOR_VFL_TYPE_VTX_MAX 223
59#define MINOR_VFL_TYPE_VBI_MIN 224
60#define MINOR_VFL_TYPE_VBI_MAX 255
61
62#define VFL_TYPE_GRABBER 0
63#define VFL_TYPE_VBI 1
64#define VFL_TYPE_RADIO 2
65#define VFL_TYPE_VTX 3
66
67struct video_device
68{
69 /* device info */
70 struct device *dev;
71 char name[32];
72 int type; /* v4l1 */
73 int type2; /* v4l2 */
74 int hardware;
75 int minor;
76
77 /* device ops + callbacks */
78 const struct file_operations *fops;
79 void (*release)(struct video_device *vfd);
80
81
82#if OBSOLETE_OWNER /* to be removed in 2.6.15 */
83 /* obsolete -- fops->owner is used instead */
84 struct module *owner;
85 /* dev->driver_data will be used instead some day.
86 * Use the video_{get|set}_drvdata() helper functions,
87 * so the switch over will be transparent for you.
88 * Or use {pci|usb}_{get|set}_drvdata() directly. */
89 void *priv;
90#endif
91
92 /* for videodev.c intenal usage -- please don't touch */
93 int users; /* video_exclusive_{open|close} ... */
94 struct mutex lock; /* ... helper function uses these */
95 char devfs_name[64]; /* devfs */
96 struct class_device class_dev; /* sysfs */
97};
98
99#define VIDEO_MAJOR 81
100
101extern int video_register_device(struct video_device *, int type, int nr);
102extern void video_unregister_device(struct video_device *);
103extern int video_usercopy(struct inode *inode, struct file *file,
104 unsigned int cmd, unsigned long arg,
105 int (*func)(struct inode *inode, struct file *file,
106 unsigned int cmd, void *arg));
107
108/* helper functions to alloc / release struct video_device, the
109 later can be used for video_device->release() */
110struct video_device *video_device_alloc(void);
111void video_device_release(struct video_device *vfd);
112
113#endif
114
115/*
116 * M I S C E L L A N E O U S
117 */
118
119/* Four-character-code (FOURCC) */
120#define v4l2_fourcc(a,b,c,d)\
121 (((__u32)(a)<<0)|((__u32)(b)<<8)|((__u32)(c)<<16)|((__u32)(d)<<24))
122
123/*
124 * E N U M S
125 */
126enum v4l2_field {
127 V4L2_FIELD_ANY = 0, /* driver can choose from none,
128 top, bottom, interlaced
129 depending on whatever it thinks
130 is approximate ... */
131 V4L2_FIELD_NONE = 1, /* this device has no fields ... */
132 V4L2_FIELD_TOP = 2, /* top field only */
133 V4L2_FIELD_BOTTOM = 3, /* bottom field only */
134 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */
135 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one
136 buffer, top-bottom order */
137 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */
138 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into
139 separate buffers */
140};
141#define V4L2_FIELD_HAS_TOP(field) \
142 ((field) == V4L2_FIELD_TOP ||\
143 (field) == V4L2_FIELD_INTERLACED ||\
144 (field) == V4L2_FIELD_SEQ_TB ||\
145 (field) == V4L2_FIELD_SEQ_BT)
146#define V4L2_FIELD_HAS_BOTTOM(field) \
147 ((field) == V4L2_FIELD_BOTTOM ||\
148 (field) == V4L2_FIELD_INTERLACED ||\
149 (field) == V4L2_FIELD_SEQ_TB ||\
150 (field) == V4L2_FIELD_SEQ_BT)
151#define V4L2_FIELD_HAS_BOTH(field) \
152 ((field) == V4L2_FIELD_INTERLACED ||\
153 (field) == V4L2_FIELD_SEQ_TB ||\
154 (field) == V4L2_FIELD_SEQ_BT)
155
156enum v4l2_buf_type {
157 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1,
158 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2,
159 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3,
160 V4L2_BUF_TYPE_VBI_CAPTURE = 4,
161 V4L2_BUF_TYPE_VBI_OUTPUT = 5,
162#if 1
163 /* Experimental Sliced VBI */
164 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6,
165 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7,
166#endif
167 V4L2_BUF_TYPE_PRIVATE = 0x80,
168};
169
170enum v4l2_ctrl_type {
171 V4L2_CTRL_TYPE_INTEGER = 1,
172 V4L2_CTRL_TYPE_BOOLEAN = 2,
173 V4L2_CTRL_TYPE_MENU = 3,
174 V4L2_CTRL_TYPE_BUTTON = 4,
175};
176
177enum v4l2_tuner_type {
178 V4L2_TUNER_RADIO = 1,
179 V4L2_TUNER_ANALOG_TV = 2,
180 V4L2_TUNER_DIGITAL_TV = 3,
181};
182
183enum v4l2_memory {
184 V4L2_MEMORY_MMAP = 1,
185 V4L2_MEMORY_USERPTR = 2,
186 V4L2_MEMORY_OVERLAY = 3,
187};
188
189/* see also http://vektor.theorem.ca/graphics/ycbcr/ */
190enum v4l2_colorspace {
191 /* ITU-R 601 -- broadcast NTSC/PAL */
192 V4L2_COLORSPACE_SMPTE170M = 1,
193
194 /* 1125-Line (US) HDTV */
195 V4L2_COLORSPACE_SMPTE240M = 2,
196
197 /* HD and modern captures. */
198 V4L2_COLORSPACE_REC709 = 3,
199
200 /* broken BT878 extents (601, luma range 16-253 instead of 16-235) */
201 V4L2_COLORSPACE_BT878 = 4,
202
203 /* These should be useful. Assume 601 extents. */
204 V4L2_COLORSPACE_470_SYSTEM_M = 5,
205 V4L2_COLORSPACE_470_SYSTEM_BG = 6,
206
207 /* I know there will be cameras that send this. So, this is
208 * unspecified chromaticities and full 0-255 on each of the
209 * Y'CbCr components
210 */
211 V4L2_COLORSPACE_JPEG = 7,
212
213 /* For RGB colourspaces, this is probably a good start. */
214 V4L2_COLORSPACE_SRGB = 8,
215};
216
217enum v4l2_priority {
218 V4L2_PRIORITY_UNSET = 0, /* not initialized */
219 V4L2_PRIORITY_BACKGROUND = 1,
220 V4L2_PRIORITY_INTERACTIVE = 2,
221 V4L2_PRIORITY_RECORD = 3,
222 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE,
223};
224
225struct v4l2_rect {
226 __s32 left;
227 __s32 top;
228 __s32 width;
229 __s32 height;
230};
231
232struct v4l2_fract {
233 __u32 numerator;
234 __u32 denominator;
235};
236
237/*
238 * D R I V E R C A P A B I L I T I E S
239 */
240struct v4l2_capability
241{
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#if 1
257#define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */
258#define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */
259#endif
260#define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */
261
262#define V4L2_CAP_TUNER 0x00010000 /* has a tuner */
263#define V4L2_CAP_AUDIO 0x00020000 /* has audio support */
264#define V4L2_CAP_RADIO 0x00040000 /* is a radio device */
265
266#define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
267#define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */
268#define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */
269
270/*
271 * V I D E O I M A G E F O R M A T
272 */
273
274struct v4l2_pix_format
275{
276 __u32 width;
277 __u32 height;
278 __u32 pixelformat;
279 enum v4l2_field field;
280 __u32 bytesperline; /* for padding, zero if unused */
281 __u32 sizeimage;
282 enum v4l2_colorspace colorspace;
283 __u32 priv; /* private data, depends on pixelformat */
284};
285
286/* Pixel format FOURCC depth Description */
287#define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R','G','B','1') /* 8 RGB-3-3-2 */
288#define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R','G','B','O') /* 16 RGB-5-5-5 */
289#define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R','G','B','P') /* 16 RGB-5-6-5 */
290#define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R','G','B','Q') /* 16 RGB-5-5-5 BE */
291#define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R','G','B','R') /* 16 RGB-5-6-5 BE */
292#define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B','G','R','3') /* 24 BGR-8-8-8 */
293#define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R','G','B','3') /* 24 RGB-8-8-8 */
294#define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B','G','R','4') /* 32 BGR-8-8-8-8 */
295#define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R','G','B','4') /* 32 RGB-8-8-8-8 */
296#define V4L2_PIX_FMT_GREY v4l2_fourcc('G','R','E','Y') /* 8 Greyscale */
297#define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y','V','U','9') /* 9 YVU 4:1:0 */
298#define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y','V','1','2') /* 12 YVU 4:2:0 */
299#define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y','U','Y','V') /* 16 YUV 4:2:2 */
300#define V4L2_PIX_FMT_UYVY v4l2_fourcc('U','Y','V','Y') /* 16 YUV 4:2:2 */
301#define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4','2','2','P') /* 16 YVU422 planar */
302#define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4','1','1','P') /* 16 YVU411 planar */
303#define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y','4','1','P') /* 12 YUV 4:1:1 */
304
305/* two planes -- one Y, one Cr + Cb interleaved */
306#define V4L2_PIX_FMT_NV12 v4l2_fourcc('N','V','1','2') /* 12 Y/CbCr 4:2:0 */
307#define V4L2_PIX_FMT_NV21 v4l2_fourcc('N','V','2','1') /* 12 Y/CrCb 4:2:0 */
308
309/* The following formats are not defined in the V4L2 specification */
310#define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y','U','V','9') /* 9 YUV 4:1:0 */
311#define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y','U','1','2') /* 12 YUV 4:2:0 */
312#define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y','Y','U','V') /* 16 YUV 4:2:2 */
313#define V4L2_PIX_FMT_HI240 v4l2_fourcc('H','I','2','4') /* 8 8-bit color */
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
318/* compressed formats */
319#define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M','J','P','G') /* Motion-JPEG */
320#define V4L2_PIX_FMT_JPEG v4l2_fourcc('J','P','E','G') /* JFIF JPEG */
321#define V4L2_PIX_FMT_DV v4l2_fourcc('d','v','s','d') /* 1394 */
322#define V4L2_PIX_FMT_MPEG v4l2_fourcc('M','P','E','G') /* MPEG */
323
324/* Vendor-specific formats */
325#define V4L2_PIX_FMT_WNVA v4l2_fourcc('W','N','V','A') /* Winnov hw compress */
326#define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S','9','1','0') /* SN9C10x compression */
327#define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P','W','C','1') /* pwc older webcam */
328#define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P','W','C','2') /* pwc newer webcam */
329#define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E','6','2','5') /* ET61X251 compression */
330
331/*
332 * F O R M A T E N U M E R A T I O N
333 */
334struct v4l2_fmtdesc
335{
336 __u32 index; /* Format number */
337 enum v4l2_buf_type type; /* buffer type */
338 __u32 flags;
339 __u8 description[32]; /* Description string */
340 __u32 pixelformat; /* Format fourcc */
341 __u32 reserved[4];
342};
343
344#define V4L2_FMT_FLAG_COMPRESSED 0x0001
345
346
347/*
348 * T I M E C O D E
349 */
350struct v4l2_timecode
351{
352 __u32 type;
353 __u32 flags;
354 __u8 frames;
355 __u8 seconds;
356 __u8 minutes;
357 __u8 hours;
358 __u8 userbits[4];
359};
360
361/* Type */
362#define V4L2_TC_TYPE_24FPS 1
363#define V4L2_TC_TYPE_25FPS 2
364#define V4L2_TC_TYPE_30FPS 3
365#define V4L2_TC_TYPE_50FPS 4
366#define V4L2_TC_TYPE_60FPS 5
367
368/* Flags */
369#define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */
370#define V4L2_TC_FLAG_COLORFRAME 0x0002
371#define V4L2_TC_USERBITS_field 0x000C
372#define V4L2_TC_USERBITS_USERDEFINED 0x0000
373#define V4L2_TC_USERBITS_8BITCHARS 0x0008
374/* The above is based on SMPTE timecodes */
375
376
377/*
378 * M P E G C O M P R E S S I O N P A R A M E T E R S
379 *
380 * ### WARNING: this is still work-in-progress right now, most likely
381 * ### there will be some incompatible changes.
382 *
383 */
384
385
386enum v4l2_bitrate_mode {
387 V4L2_BITRATE_NONE = 0, /* not specified */
388 V4L2_BITRATE_CBR, /* constant bitrate */
389 V4L2_BITRATE_VBR, /* variable bitrate */
390};
391struct v4l2_bitrate {
392 /* rates are specified in kbit/sec */
393 enum v4l2_bitrate_mode mode;
394 __u32 min;
395 __u32 target; /* use this one for CBR */
396 __u32 max;
397};
398
399enum v4l2_mpeg_streamtype {
400 V4L2_MPEG_SS_1, /* MPEG-1 system stream */
401 V4L2_MPEG_PS_2, /* MPEG-2 program stream */
402 V4L2_MPEG_TS_2, /* MPEG-2 transport stream */
403 V4L2_MPEG_PS_DVD, /* MPEG-2 program stream with DVD header fixups */
404};
405enum v4l2_mpeg_audiotype {
406 V4L2_MPEG_AU_2_I, /* MPEG-2 layer 1 */
407 V4L2_MPEG_AU_2_II, /* MPEG-2 layer 2 */
408 V4L2_MPEG_AU_2_III, /* MPEG-2 layer 3 */
409 V4L2_MPEG_AC3, /* AC3 */
410 V4L2_MPEG_LPCM, /* LPCM */
411};
412enum v4l2_mpeg_videotype {
413 V4L2_MPEG_VI_1, /* MPEG-1 */
414 V4L2_MPEG_VI_2, /* MPEG-2 */
415};
416enum v4l2_mpeg_aspectratio {
417 V4L2_MPEG_ASPECT_SQUARE = 1, /* square pixel */
418 V4L2_MPEG_ASPECT_4_3 = 2, /* 4 : 3 */
419 V4L2_MPEG_ASPECT_16_9 = 3, /* 16 : 9 */
420 V4L2_MPEG_ASPECT_1_221 = 4, /* 1 : 2,21 */
421};
422
423struct v4l2_mpeg_compression {
424 /* general */
425 enum v4l2_mpeg_streamtype st_type;
426 struct v4l2_bitrate st_bitrate;
427
428 /* transport streams */
429 __u16 ts_pid_pmt;
430 __u16 ts_pid_audio;
431 __u16 ts_pid_video;
432 __u16 ts_pid_pcr;
433
434 /* program stream */
435 __u16 ps_size;
436 __u16 reserved_1; /* align */
437
438 /* audio */
439 enum v4l2_mpeg_audiotype au_type;
440 struct v4l2_bitrate au_bitrate;
441 __u32 au_sample_rate;
442 __u8 au_pesid;
443 __u8 reserved_2[3]; /* align */
444
445 /* video */
446 enum v4l2_mpeg_videotype vi_type;
447 enum v4l2_mpeg_aspectratio vi_aspect_ratio;
448 struct v4l2_bitrate vi_bitrate;
449 __u32 vi_frame_rate;
450 __u16 vi_frames_per_gop;
451 __u16 vi_bframes_count;
452 __u8 vi_pesid;
453 __u8 reserved_3[3]; /* align */
454
455 /* misc flags */
456 __u32 closed_gops:1;
457 __u32 pulldown:1;
458 __u32 reserved_4:30; /* align */
459
460 /* I don't expect the above being perfect yet ;) */
461 __u32 reserved_5[8];
462};
463
464struct v4l2_jpegcompression
465{
466 int quality;
467
468 int APPn; /* Number of APP segment to be written,
469 * must be 0..15 */
470 int APP_len; /* Length of data in JPEG APPn segment */
471 char APP_data[60]; /* Data in the JPEG APPn segment. */
472
473 int COM_len; /* Length of data in JPEG COM segment */
474 char COM_data[60]; /* Data in JPEG COM segment */
475
476 __u32 jpeg_markers; /* Which markers should go into the JPEG
477 * output. Unless you exactly know what
478 * you do, leave them untouched.
479 * Inluding less markers will make the
480 * resulting code smaller, but there will
481 * be fewer aplications which can read it.
482 * The presence of the APP and COM marker
483 * is influenced by APP_len and COM_len
484 * ONLY, not by this property! */
485
486#define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */
487#define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */
488#define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
489#define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */
490#define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will
491 * allways use APP0 */
492};
493
494
495/*
496 * M E M O R Y - M A P P I N G B U F F E R S
497 */
498struct v4l2_requestbuffers
499{
500 __u32 count;
501 enum v4l2_buf_type type;
502 enum v4l2_memory memory;
503 __u32 reserved[2];
504};
505
506struct v4l2_buffer
507{
508 __u32 index;
509 enum v4l2_buf_type type;
510 __u32 bytesused;
511 __u32 flags;
512 enum v4l2_field field;
513 struct timeval timestamp;
514 struct v4l2_timecode timecode;
515 __u32 sequence;
516
517 /* memory location */
518 enum v4l2_memory memory;
519 union {
520 __u32 offset;
521 unsigned long userptr;
522 } m;
523 __u32 length;
524 __u32 input;
525 __u32 reserved;
526};
527
528/* Flags for 'flags' field */
529#define V4L2_BUF_FLAG_MAPPED 0x0001 /* Buffer is mapped (flag) */
530#define V4L2_BUF_FLAG_QUEUED 0x0002 /* Buffer is queued for processing */
531#define V4L2_BUF_FLAG_DONE 0x0004 /* Buffer is ready */
532#define V4L2_BUF_FLAG_KEYFRAME 0x0008 /* Image is a keyframe (I-frame) */
533#define V4L2_BUF_FLAG_PFRAME 0x0010 /* Image is a P-frame */
534#define V4L2_BUF_FLAG_BFRAME 0x0020 /* Image is a B-frame */
535#define V4L2_BUF_FLAG_TIMECODE 0x0100 /* timecode field is valid */
536#define V4L2_BUF_FLAG_INPUT 0x0200 /* input field is valid */
537
538/*
539 * O V E R L A Y P R E V I E W
540 */
541struct v4l2_framebuffer
542{
543 __u32 capability;
544 __u32 flags;
545/* FIXME: in theory we should pass something like PCI device + memory
546 * region + offset instead of some physical address */
547 void* base;
548 struct v4l2_pix_format fmt;
549};
550/* Flags for the 'capability' field. Read only */
551#define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
552#define V4L2_FBUF_CAP_CHROMAKEY 0x0002
553#define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004
554#define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008
555/* Flags for the 'flags' field. */
556#define V4L2_FBUF_FLAG_PRIMARY 0x0001
557#define V4L2_FBUF_FLAG_OVERLAY 0x0002
558#define V4L2_FBUF_FLAG_CHROMAKEY 0x0004
559
560struct v4l2_clip
561{
562 struct v4l2_rect c;
563 struct v4l2_clip __user *next;
564};
565
566struct v4l2_window
567{
568 struct v4l2_rect w;
569 enum v4l2_field field;
570 __u32 chromakey;
571 struct v4l2_clip __user *clips;
572 __u32 clipcount;
573 void __user *bitmap;
574};
575
576
577/*
578 * C A P T U R E P A R A M E T E R S
579 */
580struct v4l2_captureparm
581{
582 __u32 capability; /* Supported modes */
583 __u32 capturemode; /* Current mode */
584 struct v4l2_fract timeperframe; /* Time per frame in .1us units */
585 __u32 extendedmode; /* Driver-specific extensions */
586 __u32 readbuffers; /* # of buffers for read */
587 __u32 reserved[4];
588};
589/* Flags for 'capability' and 'capturemode' fields */
590#define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */
591#define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */
592
593struct v4l2_outputparm
594{
595 __u32 capability; /* Supported modes */
596 __u32 outputmode; /* Current mode */
597 struct v4l2_fract timeperframe; /* Time per frame in seconds */
598 __u32 extendedmode; /* Driver-specific extensions */
599 __u32 writebuffers; /* # of buffers for write */
600 __u32 reserved[4];
601};
602
603/*
604 * I N P U T I M A G E C R O P P I N G
605 */
606
607struct v4l2_cropcap {
608 enum v4l2_buf_type type;
609 struct v4l2_rect bounds;
610 struct v4l2_rect defrect;
611 struct v4l2_fract pixelaspect;
612};
613
614struct v4l2_crop {
615 enum v4l2_buf_type type;
616 struct v4l2_rect c;
617};
618
619/*
620 * A N A L O G V I D E O S T A N D A R D
621 */
622
623typedef __u64 v4l2_std_id;
624
625/* one bit for each */
626#define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001)
627#define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002)
628#define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004)
629#define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008)
630#define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010)
631#define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020)
632#define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040)
633#define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080)
634
635#define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100)
636#define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200)
637#define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
638#define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
639
640#define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000)
641#define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000)
642#define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000)
643#define V4L2_STD_NTSC_M_KR ((v4l2_std_id)0x00008000)
644
645#define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
646#define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
647#define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000)
648#define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000)
649#define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
650#define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
651#define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
652#define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000)
653
654/* ATSC/HDTV */
655#define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
656#define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000)
657
658/* some merged standards */
659#define V4L2_STD_MN (V4L2_STD_PAL_M|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc|V4L2_STD_NTSC)
660#define V4L2_STD_B (V4L2_STD_PAL_B|V4L2_STD_PAL_B1|V4L2_STD_SECAM_B)
661#define V4L2_STD_GH (V4L2_STD_PAL_G|V4L2_STD_PAL_H|V4L2_STD_SECAM_G|V4L2_STD_SECAM_H)
662#define V4L2_STD_DK (V4L2_STD_PAL_DK|V4L2_STD_SECAM_DK)
663
664/* some common needed stuff */
665#define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\
666 V4L2_STD_PAL_B1 |\
667 V4L2_STD_PAL_G)
668#define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\
669 V4L2_STD_PAL_D1 |\
670 V4L2_STD_PAL_K)
671#define V4L2_STD_PAL (V4L2_STD_PAL_BG |\
672 V4L2_STD_PAL_DK |\
673 V4L2_STD_PAL_H |\
674 V4L2_STD_PAL_I)
675#define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\
676 V4L2_STD_NTSC_M_JP |\
677 V4L2_STD_NTSC_M_KR)
678#define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\
679 V4L2_STD_SECAM_K |\
680 V4L2_STD_SECAM_K1)
681#define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\
682 V4L2_STD_SECAM_G |\
683 V4L2_STD_SECAM_H |\
684 V4L2_STD_SECAM_DK |\
685 V4L2_STD_SECAM_L |\
686 V4L2_STD_SECAM_LC)
687
688#define V4L2_STD_525_60 (V4L2_STD_PAL_M |\
689 V4L2_STD_PAL_60 |\
690 V4L2_STD_NTSC |\
691 V4L2_STD_NTSC_443)
692#define V4L2_STD_625_50 (V4L2_STD_PAL |\
693 V4L2_STD_PAL_N |\
694 V4L2_STD_PAL_Nc |\
695 V4L2_STD_SECAM)
696#define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\
697 V4L2_STD_ATSC_16_VSB)
698
699#define V4L2_STD_UNKNOWN 0
700#define V4L2_STD_ALL (V4L2_STD_525_60 |\
701 V4L2_STD_625_50)
702
703struct v4l2_standard
704{
705 __u32 index;
706 v4l2_std_id id;
707 __u8 name[24];
708 struct v4l2_fract frameperiod; /* Frames, not fields */
709 __u32 framelines;
710 __u32 reserved[4];
711};
712
713
714/*
715 * V I D E O I N P U T S
716 */
717struct v4l2_input
718{
719 __u32 index; /* Which input */
720 __u8 name[32]; /* Label */
721 __u32 type; /* Type of input */
722 __u32 audioset; /* Associated audios (bitfield) */
723 __u32 tuner; /* Associated tuner */
724 v4l2_std_id std;
725 __u32 status;
726 __u32 reserved[4];
727};
728/* Values for the 'type' field */
729#define V4L2_INPUT_TYPE_TUNER 1
730#define V4L2_INPUT_TYPE_CAMERA 2
731
732/* field 'status' - general */
733#define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */
734#define V4L2_IN_ST_NO_SIGNAL 0x00000002
735#define V4L2_IN_ST_NO_COLOR 0x00000004
736
737/* field 'status' - analog */
738#define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
739#define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
740
741/* field 'status' - digital */
742#define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */
743#define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */
744#define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */
745
746/* field 'status' - VCR and set-top box */
747#define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */
748#define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */
749#define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */
750
751/*
752 * V I D E O O U T P U T S
753 */
754struct v4l2_output
755{
756 __u32 index; /* Which output */
757 __u8 name[32]; /* Label */
758 __u32 type; /* Type of output */
759 __u32 audioset; /* Associated audios (bitfield) */
760 __u32 modulator; /* Associated modulator */
761 v4l2_std_id std;
762 __u32 reserved[4];
763};
764/* Values for the 'type' field */
765#define V4L2_OUTPUT_TYPE_MODULATOR 1
766#define V4L2_OUTPUT_TYPE_ANALOG 2
767#define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3
768
769/*
770 * C O N T R O L S
771 */
772struct v4l2_control
773{
774 __u32 id;
775 __s32 value;
776};
777
778/* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
779struct v4l2_queryctrl
780{
781 __u32 id;
782 enum v4l2_ctrl_type type;
783 __u8 name[32]; /* Whatever */
784 __s32 minimum; /* Note signedness */
785 __s32 maximum;
786 __s32 step;
787 __s32 default_value;
788 __u32 flags;
789 __u32 reserved[2];
790};
791
792/* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
793struct v4l2_querymenu
794{
795 __u32 id;
796 __u32 index;
797 __u8 name[32]; /* Whatever */
798 __u32 reserved;
799};
800
801/* Control flags */
802#define V4L2_CTRL_FLAG_DISABLED 0x0001
803#define V4L2_CTRL_FLAG_GRABBED 0x0002
804
805/* Control IDs defined by V4L2 */
806#define V4L2_CID_BASE 0x00980900
807/* IDs reserved for driver specific controls */
808#define V4L2_CID_PRIVATE_BASE 0x08000000
809
810#define V4L2_CID_BRIGHTNESS (V4L2_CID_BASE+0)
811#define V4L2_CID_CONTRAST (V4L2_CID_BASE+1)
812#define V4L2_CID_SATURATION (V4L2_CID_BASE+2)
813#define V4L2_CID_HUE (V4L2_CID_BASE+3)
814#define V4L2_CID_AUDIO_VOLUME (V4L2_CID_BASE+5)
815#define V4L2_CID_AUDIO_BALANCE (V4L2_CID_BASE+6)
816#define V4L2_CID_AUDIO_BASS (V4L2_CID_BASE+7)
817#define V4L2_CID_AUDIO_TREBLE (V4L2_CID_BASE+8)
818#define V4L2_CID_AUDIO_MUTE (V4L2_CID_BASE+9)
819#define V4L2_CID_AUDIO_LOUDNESS (V4L2_CID_BASE+10)
820#define V4L2_CID_BLACK_LEVEL (V4L2_CID_BASE+11)
821#define V4L2_CID_AUTO_WHITE_BALANCE (V4L2_CID_BASE+12)
822#define V4L2_CID_DO_WHITE_BALANCE (V4L2_CID_BASE+13)
823#define V4L2_CID_RED_BALANCE (V4L2_CID_BASE+14)
824#define V4L2_CID_BLUE_BALANCE (V4L2_CID_BASE+15)
825#define V4L2_CID_GAMMA (V4L2_CID_BASE+16)
826#define V4L2_CID_WHITENESS (V4L2_CID_GAMMA) /* ? Not sure */
827#define V4L2_CID_EXPOSURE (V4L2_CID_BASE+17)
828#define V4L2_CID_AUTOGAIN (V4L2_CID_BASE+18)
829#define V4L2_CID_GAIN (V4L2_CID_BASE+19)
830#define V4L2_CID_HFLIP (V4L2_CID_BASE+20)
831#define V4L2_CID_VFLIP (V4L2_CID_BASE+21)
832#define V4L2_CID_HCENTER (V4L2_CID_BASE+22)
833#define V4L2_CID_VCENTER (V4L2_CID_BASE+23)
834#define V4L2_CID_LASTP1 (V4L2_CID_BASE+24) /* last CID + 1 */
835
836/*
837 * T U N I N G
838 */
839struct v4l2_tuner
840{
841 __u32 index;
842 __u8 name[32];
843 enum v4l2_tuner_type type;
844 __u32 capability;
845 __u32 rangelow;
846 __u32 rangehigh;
847 __u32 rxsubchans;
848 __u32 audmode;
849 __s32 signal;
850 __s32 afc;
851 __u32 reserved[4];
852};
853
854struct v4l2_modulator
855{
856 __u32 index;
857 __u8 name[32];
858 __u32 capability;
859 __u32 rangelow;
860 __u32 rangehigh;
861 __u32 txsubchans;
862 __u32 reserved[4];
863};
864
865/* Flags for the 'capability' field */
866#define V4L2_TUNER_CAP_LOW 0x0001
867#define V4L2_TUNER_CAP_NORM 0x0002
868#define V4L2_TUNER_CAP_STEREO 0x0010
869#define V4L2_TUNER_CAP_LANG2 0x0020
870#define V4L2_TUNER_CAP_SAP 0x0020
871#define V4L2_TUNER_CAP_LANG1 0x0040
872
873/* Flags for the 'rxsubchans' field */
874#define V4L2_TUNER_SUB_MONO 0x0001
875#define V4L2_TUNER_SUB_STEREO 0x0002
876#define V4L2_TUNER_SUB_LANG2 0x0004
877#define V4L2_TUNER_SUB_SAP 0x0004
878#define V4L2_TUNER_SUB_LANG1 0x0008
879
880/* Values for the 'audmode' field */
881#define V4L2_TUNER_MODE_MONO 0x0000
882#define V4L2_TUNER_MODE_STEREO 0x0001
883#define V4L2_TUNER_MODE_LANG2 0x0002
884#define V4L2_TUNER_MODE_SAP 0x0002
885#define V4L2_TUNER_MODE_LANG1 0x0003
886#define V4L2_TUNER_MODE_LANG1_LANG2 0x0004
887
888struct v4l2_frequency
889{
890 __u32 tuner;
891 enum v4l2_tuner_type type;
892 __u32 frequency;
893 __u32 reserved[8];
894};
895
896/*
897 * A U D I O
898 */
899struct v4l2_audio
900{
901 __u32 index;
902 __u8 name[32];
903 __u32 capability;
904 __u32 mode;
905 __u32 reserved[2];
906};
907/* Flags for the 'capability' field */
908#define V4L2_AUDCAP_STEREO 0x00001
909#define V4L2_AUDCAP_AVL 0x00002
910
911/* Flags for the 'mode' field */
912#define V4L2_AUDMODE_AVL 0x00001
913
914struct v4l2_audioout
915{
916 __u32 index;
917 __u8 name[32];
918 __u32 capability;
919 __u32 mode;
920 __u32 reserved[2];
921};
922
923/*
924 * D A T A S E R V I C E S ( V B I )
925 *
926 * Data services API by Michael Schimek
927 */
928
929/* Raw VBI */
930
931struct v4l2_vbi_format
932{
933 __u32 sampling_rate; /* in 1 Hz */
934 __u32 offset;
935 __u32 samples_per_line;
936 __u32 sample_format; /* V4L2_PIX_FMT_* */
937 __s32 start[2];
938 __u32 count[2];
939 __u32 flags; /* V4L2_VBI_* */
940 __u32 reserved[2]; /* must be zero */
941};
942
943/* VBI flags */
944#define V4L2_VBI_UNSYNC (1<< 0)
945#define V4L2_VBI_INTERLACED (1<< 1)
946
947#if 1
948/* Sliced VBI
949 *
950 * This implements is a proposal V4L2 API to allow SLICED VBI
951 * required for some hardware encoders. It should change without
952 * notice in the definitive implementation.
953 */
954
955struct v4l2_sliced_vbi_format
956{
957 __u16 service_set;
958 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
959 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
960 (equals frame lines 313-336 for 625 line video
961 standards, 263-286 for 525 line standards) */
962 __u16 service_lines[2][24];
963 __u32 io_size;
964 __u32 reserved[2]; /* must be zero */
965};
966
967/* Teletext World System Teletext
968 (WST), defined on ITU-R BT.653-2 */
969#define V4L2_SLICED_TELETEXT_B (0x0001)
970/* Video Program System, defined on ETS 300 231*/
971#define V4L2_SLICED_VPS (0x0400)
972/* Closed Caption, defined on EIA-608 */
973#define V4L2_SLICED_CAPTION_525 (0x1000)
974/* Wide Screen System, defined on ITU-R BT1119.1 */
975#define V4L2_SLICED_WSS_625 (0x4000)
976
977#define V4L2_SLICED_VBI_525 (V4L2_SLICED_CAPTION_525)
978#define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)
979
980
981struct v4l2_sliced_vbi_cap
982{
983 __u16 service_set;
984 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
985 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
986 (equals frame lines 313-336 for 625 line video
987 standards, 263-286 for 525 line standards) */
988 __u16 service_lines[2][24];
989 __u32 reserved[4]; /* must be 0 */
990};
991
992struct v4l2_sliced_vbi_data
993{
994 __u32 id;
995 __u32 field; /* 0: first field, 1: second field */
996 __u32 line; /* 1-23 */
997 __u32 reserved; /* must be 0 */
998 __u8 data[48];
999};
1000#endif
1001
1002/*
1003 * A G G R E G A T E S T R U C T U R E S
1004 */
1005
1006/* Stream data format
1007 */
1008struct v4l2_format
1009{
1010 enum v4l2_buf_type type;
1011 union
1012 {
1013 struct v4l2_pix_format pix; // V4L2_BUF_TYPE_VIDEO_CAPTURE
1014 struct v4l2_window win; // V4L2_BUF_TYPE_VIDEO_OVERLAY
1015 struct v4l2_vbi_format vbi; // V4L2_BUF_TYPE_VBI_CAPTURE
1016#if 1
1017 struct v4l2_sliced_vbi_format sliced; // V4L2_BUF_TYPE_SLICED_VBI_CAPTURE
1018#endif
1019 __u8 raw_data[200]; // user-defined
1020 } fmt;
1021};
1022
1023
1024/* Stream type-dependent parameters
1025 */
1026struct v4l2_streamparm
1027{
1028 enum v4l2_buf_type type;
1029 union
1030 {
1031 struct v4l2_captureparm capture;
1032 struct v4l2_outputparm output;
1033 __u8 raw_data[200]; /* user-defined */
1034 } parm;
1035};
1036
1037
1038
1039/*
1040 * 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
1041 *
1042 */
1043#define VIDIOC_QUERYCAP _IOR ('V', 0, struct v4l2_capability)
1044#define VIDIOC_RESERVED _IO ('V', 1)
1045#define VIDIOC_ENUM_FMT _IOWR ('V', 2, struct v4l2_fmtdesc)
1046#define VIDIOC_G_FMT _IOWR ('V', 4, struct v4l2_format)
1047#define VIDIOC_S_FMT _IOWR ('V', 5, struct v4l2_format)
1048#define VIDIOC_G_MPEGCOMP _IOR ('V', 6, struct v4l2_mpeg_compression)
1049#define VIDIOC_S_MPEGCOMP _IOW ('V', 7, struct v4l2_mpeg_compression)
1050#define VIDIOC_REQBUFS _IOWR ('V', 8, struct v4l2_requestbuffers)
1051#define VIDIOC_QUERYBUF _IOWR ('V', 9, struct v4l2_buffer)
1052#define VIDIOC_G_FBUF _IOR ('V', 10, struct v4l2_framebuffer)
1053#define VIDIOC_S_FBUF _IOW ('V', 11, struct v4l2_framebuffer)
1054#define VIDIOC_OVERLAY _IOW ('V', 14, int)
1055#define VIDIOC_QBUF _IOWR ('V', 15, struct v4l2_buffer)
1056#define VIDIOC_DQBUF _IOWR ('V', 17, struct v4l2_buffer)
1057#define VIDIOC_STREAMON _IOW ('V', 18, int)
1058#define VIDIOC_STREAMOFF _IOW ('V', 19, int)
1059#define VIDIOC_G_PARM _IOWR ('V', 21, struct v4l2_streamparm)
1060#define VIDIOC_S_PARM _IOWR ('V', 22, struct v4l2_streamparm)
1061#define VIDIOC_G_STD _IOR ('V', 23, v4l2_std_id)
1062#define VIDIOC_S_STD _IOW ('V', 24, v4l2_std_id)
1063#define VIDIOC_ENUMSTD _IOWR ('V', 25, struct v4l2_standard)
1064#define VIDIOC_ENUMINPUT _IOWR ('V', 26, struct v4l2_input)
1065#define VIDIOC_G_CTRL _IOWR ('V', 27, struct v4l2_control)
1066#define VIDIOC_S_CTRL _IOWR ('V', 28, struct v4l2_control)
1067#define VIDIOC_G_TUNER _IOWR ('V', 29, struct v4l2_tuner)
1068#define VIDIOC_S_TUNER _IOW ('V', 30, struct v4l2_tuner)
1069#define VIDIOC_G_AUDIO _IOR ('V', 33, struct v4l2_audio)
1070#define VIDIOC_S_AUDIO _IOW ('V', 34, struct v4l2_audio)
1071#define VIDIOC_QUERYCTRL _IOWR ('V', 36, struct v4l2_queryctrl)
1072#define VIDIOC_QUERYMENU _IOWR ('V', 37, struct v4l2_querymenu)
1073#define VIDIOC_G_INPUT _IOR ('V', 38, int)
1074#define VIDIOC_S_INPUT _IOWR ('V', 39, int)
1075#define VIDIOC_G_OUTPUT _IOR ('V', 46, int)
1076#define VIDIOC_S_OUTPUT _IOWR ('V', 47, int)
1077#define VIDIOC_ENUMOUTPUT _IOWR ('V', 48, struct v4l2_output)
1078#define VIDIOC_G_AUDOUT _IOR ('V', 49, struct v4l2_audioout)
1079#define VIDIOC_S_AUDOUT _IOW ('V', 50, struct v4l2_audioout)
1080#define VIDIOC_G_MODULATOR _IOWR ('V', 54, struct v4l2_modulator)
1081#define VIDIOC_S_MODULATOR _IOW ('V', 55, struct v4l2_modulator)
1082#define VIDIOC_G_FREQUENCY _IOWR ('V', 56, struct v4l2_frequency)
1083#define VIDIOC_S_FREQUENCY _IOW ('V', 57, struct v4l2_frequency)
1084#define VIDIOC_CROPCAP _IOWR ('V', 58, struct v4l2_cropcap)
1085#define VIDIOC_G_CROP _IOWR ('V', 59, struct v4l2_crop)
1086#define VIDIOC_S_CROP _IOW ('V', 60, struct v4l2_crop)
1087#define VIDIOC_G_JPEGCOMP _IOR ('V', 61, struct v4l2_jpegcompression)
1088#define VIDIOC_S_JPEGCOMP _IOW ('V', 62, struct v4l2_jpegcompression)
1089#define VIDIOC_QUERYSTD _IOR ('V', 63, v4l2_std_id)
1090#define VIDIOC_TRY_FMT _IOWR ('V', 64, struct v4l2_format)
1091#define VIDIOC_ENUMAUDIO _IOWR ('V', 65, struct v4l2_audio)
1092#define VIDIOC_ENUMAUDOUT _IOWR ('V', 66, struct v4l2_audioout)
1093#define VIDIOC_G_PRIORITY _IOR ('V', 67, enum v4l2_priority)
1094#define VIDIOC_S_PRIORITY _IOW ('V', 68, enum v4l2_priority)
1095#if 1
1096#define VIDIOC_G_SLICED_VBI_CAP _IOR ('V', 69, struct v4l2_sliced_vbi_cap)
1097#endif
1098#define VIDIOC_LOG_STATUS _IO ('V', 70)
1099
1100/* for compatibility, will go away some day */
1101#define VIDIOC_OVERLAY_OLD _IOWR ('V', 14, int)
1102#define VIDIOC_S_PARM_OLD _IOW ('V', 22, struct v4l2_streamparm)
1103#define VIDIOC_S_CTRL_OLD _IOW ('V', 28, struct v4l2_control)
1104#define VIDIOC_G_AUDIO_OLD _IOWR ('V', 33, struct v4l2_audio)
1105#define VIDIOC_G_AUDOUT_OLD _IOWR ('V', 49, struct v4l2_audioout)
1106#define VIDIOC_CROPCAP_OLD _IOR ('V', 58, struct v4l2_cropcap)
1107
1108#define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */
1109
1110
1111#ifdef __KERNEL__
1112/*
1113 *
1114 * V 4 L 2 D R I V E R H E L P E R A P I
1115 *
1116 * Some commonly needed functions for drivers (v4l2-common.o module)
1117 */
1118#include <linux/fs.h>
1119
1120/* Video standard functions */
1121extern unsigned int v4l2_video_std_fps(struct v4l2_standard *vs);
1122extern int v4l2_video_std_construct(struct v4l2_standard *vs,
1123 int id, char *name);
1124
1125/* prority handling */
1126struct v4l2_prio_state {
1127 atomic_t prios[4];
1128};
1129int v4l2_prio_init(struct v4l2_prio_state *global);
1130int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local,
1131 enum v4l2_priority new);
1132int v4l2_prio_open(struct v4l2_prio_state *global, enum v4l2_priority *local);
1133int v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority *local);
1134enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global);
1135int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local);
1136
1137/* names for fancy debug output */
1138extern char *v4l2_field_names[];
1139extern char *v4l2_type_names[];
1140
1141/* Compatibility layer interface -- v4l1-compat module */
1142typedef int (*v4l2_kioctl)(struct inode *inode, struct file *file,
1143 unsigned int cmd, void *arg);
1144
1145#ifdef CONFIG_VIDEO_V4L1_COMPAT
1146int v4l_compat_translate_ioctl(struct inode *inode, struct file *file,
1147 int cmd, void *arg, v4l2_kioctl driver_ioctl);
1148#else
1149#define v4l_compat_translate_ioctl(inode,file,cmd,arg,ioctl) -EINVAL
1150#endif
1151
1152/* 32 Bits compatibility layer for 64 bits processors */
1153extern long v4l_compat_ioctl32(struct file *file, unsigned int cmd,
1154 unsigned long arg);
1155
1156
1157#endif /* __KERNEL__ */
1158#endif /* __LINUX_VIDEODEV2_H */
1159
1160/*
1161 * Local variables:
1162 * c-basic-offset: 8
1163 * End:
1164 */