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V4L/DVB (3299): Kconfig: DVB_USB_CXUSB depends on DVB_LGDT330X and DVB_MT352
[mirror_ubuntu-zesty-kernel.git] / include / linux / videodev2.h
CommitLineData
1da177e4
LT		 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 */
f958b68d
MCC		 18#include <linux/poll.h>
19#include <linux/device.h>
1da177e4
LT		 20#endif
21#include <linux/compiler.h> /* need __user */
22
79436633 23
4d0dddb1 24#define OBSOLETE_OWNER 1 /* It will be removed for 2.6.17 */
79436633
MCC		 25#define HAVE_V4L2 1
26
27/*
28 * Common stuff for both V4L1 and V4L2
29 * Moved from videodev.h
30 */
31
32#define VIDEO_MAX_FRAME 32
33
c12097fd
MS		 34#define VID_TYPE_CAPTURE 1 /* Can capture */
35#define VID_TYPE_TUNER 2 /* Can tune */
36#define VID_TYPE_TELETEXT 4 /* Does teletext */
37#define VID_TYPE_OVERLAY 8 /* Overlay onto frame buffer */
38#define VID_TYPE_CHROMAKEY 16 /* Overlay by chromakey */
39#define VID_TYPE_CLIPPING 32 /* Can clip */
40#define VID_TYPE_FRAMERAM 64 /* Uses the frame buffer memory */
41#define VID_TYPE_SCALES 128 /* Scalable */
42#define VID_TYPE_MONOCHROME 256 /* Monochrome only */
43#define VID_TYPE_SUBCAPTURE 512 /* Can capture subareas of the image */
44#define VID_TYPE_MPEG_DECODER 1024 /* Can decode MPEG streams */
45#define VID_TYPE_MPEG_ENCODER 2048 /* Can encode MPEG streams */
46#define VID_TYPE_MJPEG_DECODER 4096 /* Can decode MJPEG streams */
47#define VID_TYPE_MJPEG_ENCODER 8192 /* Can encode MJPEG streams */
48
f958b68d
MCC		 49#ifdef __KERNEL__
50
4d0dddb1
MCC		 51/* Minor device allocation */
52#define MINOR_VFL_TYPE_GRABBER_MIN 0
53#define MINOR_VFL_TYPE_GRABBER_MAX 63
54#define MINOR_VFL_TYPE_RADIO_MIN 64
55#define MINOR_VFL_TYPE_RADIO_MAX 127
56#define MINOR_VFL_TYPE_VTX_MIN 192
57#define MINOR_VFL_TYPE_VTX_MAX 223
58#define MINOR_VFL_TYPE_VBI_MIN 224
59#define MINOR_VFL_TYPE_VBI_MAX 255
60
79436633
MCC		 61#define VFL_TYPE_GRABBER 0
62#define VFL_TYPE_VBI 1
63#define VFL_TYPE_RADIO 2
64#define VFL_TYPE_VTX 3
65
66struct video_device
67{
68 /* device info */
69 struct device *dev;
70 char name[32];
71 int type; /* v4l1 */
72 int type2; /* v4l2 */
73 int hardware;
74 int minor;
75
76 /* device ops + callbacks */
77 struct file_operations *fops;
78 void (*release)(struct video_device *vfd);
79
80
f958b68d
MCC		 81#if OBSOLETE_OWNER /* to be removed in 2.6.15 */
82 /* obsolete -- fops->owner is used instead */
83 struct module *owner;
84 /* dev->driver_data will be used instead some day.
85 * Use the video_{get|set}_drvdata() helper functions,
86 * so the switch over will be transparent for you.
87 * Or use {pci|usb}_{get|set}_drvdata() directly. */
88 void *priv;
89#endif
79436633
MCC		 90
91 /* for videodev.c intenal usage -- please don't touch */
92 int users; /* video_exclusive_{open|close} ... */
93 struct semaphore lock; /* ... helper function uses these */
94 char devfs_name[64]; /* devfs */
95 struct class_device class_dev; /* sysfs */
96};
97
98#define VIDEO_MAJOR 81
99
79436633
MCC		 100extern int video_register_device(struct video_device *, int type, int nr);
101extern void video_unregister_device(struct video_device *);
102extern int video_usercopy(struct inode *inode, struct file *file,
103 unsigned int cmd, unsigned long arg,
104 int (*func)(struct inode *inode, struct file *file,
105 unsigned int cmd, void *arg));
106
107/* helper functions to alloc / release struct video_device, the
108 later can be used for video_device->release() */
109struct video_device *video_device_alloc(void);
110void video_device_release(struct video_device *vfd);
111
f958b68d
MCC		 112#endif
113
1da177e4
LT		 114/*
115 * M I S C E L L A N E O U S
116 */
117
118/* Four-character-code (FOURCC) */
119#define v4l2_fourcc(a,b,c,d)\
4ac97914 120 (((__u32)(a)<<0)|((__u32)(b)<<8)|((__u32)(c)<<16)|((__u32)(d)<<24))
1da177e4
LT		 121
122/*
123 * E N U M S
124 */
125enum v4l2_field {
126 V4L2_FIELD_ANY = 0, /* driver can choose from none,
127 top, bottom, interlaced
128 depending on whatever it thinks
129 is approximate ... */
130 V4L2_FIELD_NONE = 1, /* this device has no fields ... */
131 V4L2_FIELD_TOP = 2, /* top field only */
132 V4L2_FIELD_BOTTOM = 3, /* bottom field only */
133 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */
134 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one
135 buffer, top-bottom order */
136 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */
137 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into
138 separate buffers */
139};
140#define V4L2_FIELD_HAS_TOP(field) \
141 ((field) == V4L2_FIELD_TOP ||\
142 (field) == V4L2_FIELD_INTERLACED ||\
143 (field) == V4L2_FIELD_SEQ_TB ||\
144 (field) == V4L2_FIELD_SEQ_BT)
145#define V4L2_FIELD_HAS_BOTTOM(field) \
146 ((field) == V4L2_FIELD_BOTTOM ||\
147 (field) == V4L2_FIELD_INTERLACED ||\
148 (field) == V4L2_FIELD_SEQ_TB ||\
149 (field) == V4L2_FIELD_SEQ_BT)
150#define V4L2_FIELD_HAS_BOTH(field) \
151 ((field) == V4L2_FIELD_INTERLACED ||\
152 (field) == V4L2_FIELD_SEQ_TB ||\
153 (field) == V4L2_FIELD_SEQ_BT)
154
155enum v4l2_buf_type {
9db45506
MCC		 156 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1,
157 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2,
158 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3,
159 V4L2_BUF_TYPE_VBI_CAPTURE = 4,
160 V4L2_BUF_TYPE_VBI_OUTPUT = 5,
161#if 1
162 /* Experimental Sliced VBI */
163 V4L2_BUF_TYPE_SLICED_VBI_CAPTURE = 6,
164 V4L2_BUF_TYPE_SLICED_VBI_OUTPUT = 7,
165#endif
166 V4L2_BUF_TYPE_PRIVATE = 0x80,
1da177e4
LT		 167};
168
169enum v4l2_ctrl_type {
170 V4L2_CTRL_TYPE_INTEGER = 1,
171 V4L2_CTRL_TYPE_BOOLEAN = 2,
172 V4L2_CTRL_TYPE_MENU = 3,
173 V4L2_CTRL_TYPE_BUTTON = 4,
174};
175
176enum v4l2_tuner_type {
177 V4L2_TUNER_RADIO = 1,
178 V4L2_TUNER_ANALOG_TV = 2,
179 V4L2_TUNER_DIGITAL_TV = 3,
180};
181
182enum v4l2_memory {
183 V4L2_MEMORY_MMAP = 1,
184 V4L2_MEMORY_USERPTR = 2,
185 V4L2_MEMORY_OVERLAY = 3,
186};
187
188/* see also http://vektor.theorem.ca/graphics/ycbcr/ */
189enum v4l2_colorspace {
190 /* ITU-R 601 -- broadcast NTSC/PAL */
191 V4L2_COLORSPACE_SMPTE170M = 1,
192
193 /* 1125-Line (US) HDTV */
194 V4L2_COLORSPACE_SMPTE240M = 2,
195
196 /* HD and modern captures. */
197 V4L2_COLORSPACE_REC709 = 3,
198
199 /* broken BT878 extents (601, luma range 16-253 instead of 16-235) */
200 V4L2_COLORSPACE_BT878 = 4,
201
202 /* These should be useful. Assume 601 extents. */
203 V4L2_COLORSPACE_470_SYSTEM_M = 5,
204 V4L2_COLORSPACE_470_SYSTEM_BG = 6,
205
206 /* I know there will be cameras that send this. So, this is
207 * unspecified chromaticities and full 0-255 on each of the
208 * Y'CbCr components
209 */
210 V4L2_COLORSPACE_JPEG = 7,
211
212 /* For RGB colourspaces, this is probably a good start. */
213 V4L2_COLORSPACE_SRGB = 8,
214};
215
216enum v4l2_priority {
217 V4L2_PRIORITY_UNSET = 0, /* not initialized */
218 V4L2_PRIORITY_BACKGROUND = 1,
219 V4L2_PRIORITY_INTERACTIVE = 2,
220 V4L2_PRIORITY_RECORD = 3,
221 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE,
222};
223
224struct v4l2_rect {
225 __s32 left;
226 __s32 top;
227 __s32 width;
228 __s32 height;
229};
230
231struct v4l2_fract {
232 __u32 numerator;
233 __u32 denominator;
234};
235
236/*
237 * D R I V E R C A P A B I L I T I E S
238 */
239struct v4l2_capability
240{
241 __u8 driver[16]; /* i.e. "bttv" */
242 __u8 card[32]; /* i.e. "Hauppauge WinTV" */
243 __u8 bus_info[32]; /* "PCI:" + pci_name(pci_dev) */
244 __u32 version; /* should use KERNEL_VERSION() */
245 __u32 capabilities; /* Device capabilities */
246 __u32 reserved[4];
247};
248
249/* Values for 'capabilities' field */
4ac97914
MCC		 250#define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */
251#define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */
252#define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */
253#define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a raw VBI capture device */
254#define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a raw VBI output device */
9db45506
MCC		 255#if 1
256#define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040 /* Is a sliced VBI capture device */
257#define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */
258#endif
4ac97914 259#define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */
1da177e4 260
4ac97914
MCC		 261#define V4L2_CAP_TUNER 0x00010000 /* has a tuner */
262#define V4L2_CAP_AUDIO 0x00020000 /* has audio support */
263#define V4L2_CAP_RADIO 0x00040000 /* is a radio device */
1da177e4 264
9db45506
MCC		 265#define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
266#define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */
267#define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */
1da177e4
LT		 268
269/*
270 * V I D E O I M A G E F O R M A T
271 */
272
273struct v4l2_pix_format
274{
4ac97914
MCC		 275 __u32 width;
276 __u32 height;
277 __u32 pixelformat;
1da177e4
LT		 278 enum v4l2_field field;
279 __u32 bytesperline; /* for padding, zero if unused */
4ac97914
MCC		 280 __u32 sizeimage;
281 enum v4l2_colorspace colorspace;
1da177e4
LT		 282 __u32 priv; /* private data, depends on pixelformat */
283};
284
285/* Pixel format FOURCC depth Description */
286#define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R','G','B','1') /* 8 RGB-3-3-2 */
287#define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R','G','B','O') /* 16 RGB-5-5-5 */
288#define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R','G','B','P') /* 16 RGB-5-6-5 */
289#define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R','G','B','Q') /* 16 RGB-5-5-5 BE */
290#define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R','G','B','R') /* 16 RGB-5-6-5 BE */
291#define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B','G','R','3') /* 24 BGR-8-8-8 */
292#define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R','G','B','3') /* 24 RGB-8-8-8 */
293#define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B','G','R','4') /* 32 BGR-8-8-8-8 */
294#define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R','G','B','4') /* 32 RGB-8-8-8-8 */
295#define V4L2_PIX_FMT_GREY v4l2_fourcc('G','R','E','Y') /* 8 Greyscale */
296#define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y','V','U','9') /* 9 YVU 4:1:0 */
297#define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y','V','1','2') /* 12 YVU 4:2:0 */
298#define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y','U','Y','V') /* 16 YUV 4:2:2 */
299#define V4L2_PIX_FMT_UYVY v4l2_fourcc('U','Y','V','Y') /* 16 YUV 4:2:2 */
300#define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4','2','2','P') /* 16 YVU422 planar */
301#define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4','1','1','P') /* 16 YVU411 planar */
302#define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y','4','1','P') /* 12 YUV 4:1:1 */
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
314/* see http://www.siliconimaging.com/RGB%20Bayer.htm */
315#define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B','A','8','1') /* 8 BGBG.. GRGR.. */
316
317/* compressed formats */
318#define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M','J','P','G') /* Motion-JPEG */
319#define V4L2_PIX_FMT_JPEG v4l2_fourcc('J','P','E','G') /* JFIF JPEG */
320#define V4L2_PIX_FMT_DV v4l2_fourcc('d','v','s','d') /* 1394 */
321#define V4L2_PIX_FMT_MPEG v4l2_fourcc('M','P','E','G') /* MPEG */
322
323/* Vendor-specific formats */
324#define V4L2_PIX_FMT_WNVA v4l2_fourcc('W','N','V','A') /* Winnov hw compress */
325#define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S','9','1','0') /* SN9C10x compression */
115d6f3f
MCC		 326#define V4L2_PIX_FMT_PWC1 v4l2_fourcc('P','W','C','1') /* pwc older webcam */
327#define V4L2_PIX_FMT_PWC2 v4l2_fourcc('P','W','C','2') /* pwc newer webcam */
1da177e4
LT		 328
329/*
330 * F O R M A T E N U M E R A T I O N
331 */
332struct v4l2_fmtdesc
333{
4ac97914 334 __u32 index; /* Format number */
1da177e4
LT		 335 enum v4l2_buf_type type; /* buffer type */
336 __u32 flags;
4ac97914
MCC		 337 __u8 description[32]; /* Description string */
338 __u32 pixelformat; /* Format fourcc */
339 __u32 reserved[4];
1da177e4
LT		 340};
341
342#define V4L2_FMT_FLAG_COMPRESSED 0x0001
343
344
345/*
346 * T I M E C O D E
347 */
348struct v4l2_timecode
349{
350 __u32 type;
351 __u32 flags;
352 __u8 frames;
353 __u8 seconds;
354 __u8 minutes;
355 __u8 hours;
356 __u8 userbits[4];
357};
358
359/* Type */
360#define V4L2_TC_TYPE_24FPS 1
361#define V4L2_TC_TYPE_25FPS 2
362#define V4L2_TC_TYPE_30FPS 3
363#define V4L2_TC_TYPE_50FPS 4
364#define V4L2_TC_TYPE_60FPS 5
365
366/* Flags */
367#define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */
368#define V4L2_TC_FLAG_COLORFRAME 0x0002
369#define V4L2_TC_USERBITS_field 0x000C
370#define V4L2_TC_USERBITS_USERDEFINED 0x0000
371#define V4L2_TC_USERBITS_8BITCHARS 0x0008
372/* The above is based on SMPTE timecodes */
373
374
1da177e4
LT		 375/*
376 * 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
377 *
378 * ### WARNING: this is still work-in-progress right now, most likely
379 * ### there will be some incompatible changes.
380 *
381 */
382
383
384enum v4l2_bitrate_mode {
385 V4L2_BITRATE_NONE = 0, /* not specified */
386 V4L2_BITRATE_CBR, /* constant bitrate */
387 V4L2_BITRATE_VBR, /* variable bitrate */
388};
389struct v4l2_bitrate {
390 /* rates are specified in kbit/sec */
391 enum v4l2_bitrate_mode mode;
392 __u32 min;
393 __u32 target; /* use this one for CBR */
394 __u32 max;
395};
396
397enum v4l2_mpeg_streamtype {
398 V4L2_MPEG_SS_1, /* MPEG-1 system stream */
399 V4L2_MPEG_PS_2, /* MPEG-2 program stream */
400 V4L2_MPEG_TS_2, /* MPEG-2 transport stream */
401 V4L2_MPEG_PS_DVD, /* MPEG-2 program stream with DVD header fixups */
402};
403enum v4l2_mpeg_audiotype {
404 V4L2_MPEG_AU_2_I, /* MPEG-2 layer 1 */
405 V4L2_MPEG_AU_2_II, /* MPEG-2 layer 2 */
406 V4L2_MPEG_AU_2_III, /* MPEG-2 layer 3 */
407 V4L2_MPEG_AC3, /* AC3 */
408 V4L2_MPEG_LPCM, /* LPCM */
409};
410enum v4l2_mpeg_videotype {
411 V4L2_MPEG_VI_1, /* MPEG-1 */
412 V4L2_MPEG_VI_2, /* MPEG-2 */
413};
414enum v4l2_mpeg_aspectratio {
415 V4L2_MPEG_ASPECT_SQUARE = 1, /* square pixel */
416 V4L2_MPEG_ASPECT_4_3 = 2, /* 4 : 3 */
417 V4L2_MPEG_ASPECT_16_9 = 3, /* 16 : 9 */
418 V4L2_MPEG_ASPECT_1_221 = 4, /* 1 : 2,21 */
419};
420
421struct v4l2_mpeg_compression {
422 /* general */
423 enum v4l2_mpeg_streamtype st_type;
424 struct v4l2_bitrate st_bitrate;
425
426 /* transport streams */
427 __u16 ts_pid_pmt;
428 __u16 ts_pid_audio;
429 __u16 ts_pid_video;
430 __u16 ts_pid_pcr;
431
432 /* program stream */
433 __u16 ps_size;
434 __u16 reserved_1; /* align */
435
436 /* audio */
437 enum v4l2_mpeg_audiotype au_type;
438 struct v4l2_bitrate au_bitrate;
439 __u32 au_sample_rate;
440 __u8 au_pesid;
441 __u8 reserved_2[3]; /* align */
442
443 /* video */
444 enum v4l2_mpeg_videotype vi_type;
445 enum v4l2_mpeg_aspectratio vi_aspect_ratio;
446 struct v4l2_bitrate vi_bitrate;
447 __u32 vi_frame_rate;
448 __u16 vi_frames_per_gop;
449 __u16 vi_bframes_count;
450 __u8 vi_pesid;
451 __u8 reserved_3[3]; /* align */
452
453 /* misc flags */
454 __u32 closed_gops:1;
455 __u32 pulldown:1;
456 __u32 reserved_4:30; /* align */
457
458 /* I don't expect the above being perfect yet ;) */
459 __u32 reserved_5[8];
460};
1da177e4
LT		 461
462struct v4l2_jpegcompression
463{
464 int quality;
465
466 int APPn; /* Number of APP segment to be written,
467 * must be 0..15 */
468 int APP_len; /* Length of data in JPEG APPn segment */
469 char APP_data[60]; /* Data in the JPEG APPn segment. */
470
471 int COM_len; /* Length of data in JPEG COM segment */
472 char COM_data[60]; /* Data in JPEG COM segment */
473
474 __u32 jpeg_markers; /* Which markers should go into the JPEG
475 * output. Unless you exactly know what
476 * you do, leave them untouched.
477 * Inluding less markers will make the
478 * resulting code smaller, but there will
479 * be fewer aplications which can read it.
480 * The presence of the APP and COM marker
481 * is influenced by APP_len and COM_len
482 * ONLY, not by this property! */
483
484#define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */
485#define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */
486#define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
487#define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */
488#define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will
f2421ca3 489 * allways use APP0 */
1da177e4
LT		 490};
491
492
493/*
494 * M E M O R Y - M A P P I N G B U F F E R S
495 */
496struct v4l2_requestbuffers
497{
4ac97914 498 __u32 count;
1da177e4
LT		 499 enum v4l2_buf_type type;
500 enum v4l2_memory memory;
4ac97914 501 __u32 reserved[2];
1da177e4
LT		 502};
503
504struct v4l2_buffer
505{
506 __u32 index;
507 enum v4l2_buf_type type;
508 __u32 bytesused;
509 __u32 flags;
510 enum v4l2_field field;
511 struct timeval timestamp;
512 struct v4l2_timecode timecode;
513 __u32 sequence;
514
515 /* memory location */
516 enum v4l2_memory memory;
517 union {
518 __u32 offset;
519 unsigned long userptr;
520 } m;
521 __u32 length;
522 __u32 input;
523 __u32 reserved;
524};
525
526/* Flags for 'flags' field */
527#define V4L2_BUF_FLAG_MAPPED 0x0001 /* Buffer is mapped (flag) */
528#define V4L2_BUF_FLAG_QUEUED 0x0002 /* Buffer is queued for processing */
529#define V4L2_BUF_FLAG_DONE 0x0004 /* Buffer is ready */
530#define V4L2_BUF_FLAG_KEYFRAME 0x0008 /* Image is a keyframe (I-frame) */
531#define V4L2_BUF_FLAG_PFRAME 0x0010 /* Image is a P-frame */
532#define V4L2_BUF_FLAG_BFRAME 0x0020 /* Image is a B-frame */
533#define V4L2_BUF_FLAG_TIMECODE 0x0100 /* timecode field is valid */
534#define V4L2_BUF_FLAG_INPUT 0x0200 /* input field is valid */
535
536/*
537 * O V E R L A Y P R E V I E W
538 */
539struct v4l2_framebuffer
540{
541 __u32 capability;
542 __u32 flags;
543/* FIXME: in theory we should pass something like PCI device + memory
544 * region + offset instead of some physical address */
545 void* base;
546 struct v4l2_pix_format fmt;
547};
548/* Flags for the 'capability' field. Read only */
549#define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
550#define V4L2_FBUF_CAP_CHROMAKEY 0x0002
551#define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004
552#define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008
553/* Flags for the 'flags' field. */
554#define V4L2_FBUF_FLAG_PRIMARY 0x0001
555#define V4L2_FBUF_FLAG_OVERLAY 0x0002
556#define V4L2_FBUF_FLAG_CHROMAKEY 0x0004
557
558struct v4l2_clip
559{
560 struct v4l2_rect c;
561 struct v4l2_clip *next;
562};
563
564struct v4l2_window
565{
566 struct v4l2_rect w;
567 enum v4l2_field field;
568 __u32 chromakey;
569 struct v4l2_clip __user *clips;
570 __u32 clipcount;
571 void __user *bitmap;
572};
573
574
575/*
576 * C A P T U R E P A R A M E T E R S
577 */
578struct v4l2_captureparm
579{
580 __u32 capability; /* Supported modes */
581 __u32 capturemode; /* Current mode */
582 struct v4l2_fract timeperframe; /* Time per frame in .1us units */
583 __u32 extendedmode; /* Driver-specific extensions */
584 __u32 readbuffers; /* # of buffers for read */
585 __u32 reserved[4];
586};
587/* Flags for 'capability' and 'capturemode' fields */
588#define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */
589#define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */
590
591struct v4l2_outputparm
592{
593 __u32 capability; /* Supported modes */
594 __u32 outputmode; /* Current mode */
595 struct v4l2_fract timeperframe; /* Time per frame in seconds */
596 __u32 extendedmode; /* Driver-specific extensions */
597 __u32 writebuffers; /* # of buffers for write */
598 __u32 reserved[4];
599};
600
601/*
602 * I N P U T I M A G E C R O P P I N G
603 */
604
605struct v4l2_cropcap {
606 enum v4l2_buf_type type;
4ac97914
MCC		 607 struct v4l2_rect bounds;
608 struct v4l2_rect defrect;
609 struct v4l2_fract pixelaspect;
1da177e4
LT		 610};
611
612struct v4l2_crop {
613 enum v4l2_buf_type type;
614 struct v4l2_rect c;
615};
616
617/*
618 * A N A L O G V I D E O S T A N D A R D
619 */
620
621typedef __u64 v4l2_std_id;
622
623/* one bit for each */
624#define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001)
625#define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002)
626#define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004)
627#define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008)
628#define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010)
629#define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020)
630#define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040)
631#define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080)
632
633#define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100)
634#define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200)
635#define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
636#define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
637
638#define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000)
639#define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000)
f1bcef88 640#define V4L2_STD_NTSC_443 ((v4l2_std_id)0x00004000)
1da177e4
LT		 641
642#define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
643#define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
644#define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000)
645#define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000)
646#define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
647#define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
648#define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
800d3c6f 649#define V4L2_STD_SECAM_LC ((v4l2_std_id)0x00800000)
1da177e4
LT		 650
651/* ATSC/HDTV */
652#define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
653#define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000)
654
f3c5987a
MCC		 655/* some merged standards */
656#define V4L2_STD_MN (V4L2_STD_PAL_M|V4L2_STD_PAL_N|V4L2_STD_PAL_Nc|V4L2_STD_NTSC)
657#define V4L2_STD_B (V4L2_STD_PAL_B|V4L2_STD_PAL_B1|V4L2_STD_SECAM_B)
658#define V4L2_STD_GH (V4L2_STD_PAL_G|V4L2_STD_PAL_H|V4L2_STD_SECAM_G|V4L2_STD_SECAM_H)
659#define V4L2_STD_DK (V4L2_STD_PAL_DK|V4L2_STD_SECAM_DK)
660
1da177e4
LT		 661/* some common needed stuff */
662#define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\
663 V4L2_STD_PAL_B1 |\
664 V4L2_STD_PAL_G)
665#define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\
666 V4L2_STD_PAL_D1 |\
667 V4L2_STD_PAL_K)
668#define V4L2_STD_PAL (V4L2_STD_PAL_BG |\
669 V4L2_STD_PAL_DK |\
670 V4L2_STD_PAL_H |\
671 V4L2_STD_PAL_I)
672#define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\
673 V4L2_STD_NTSC_M_JP)
674#define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\
675 V4L2_STD_SECAM_K |\
676 V4L2_STD_SECAM_K1)
677#define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\
678 V4L2_STD_SECAM_G |\
679 V4L2_STD_SECAM_H |\
680 V4L2_STD_SECAM_DK |\
f3c5987a
MCC		 681 V4L2_STD_SECAM_L |\
682 V4L2_STD_SECAM_LC)
1da177e4
LT		 683
684#define V4L2_STD_525_60 (V4L2_STD_PAL_M |\
685 V4L2_STD_PAL_60 |\
f1bcef88
TT		 686 V4L2_STD_NTSC |\
687 V4L2_STD_NTSC_443)
1da177e4
LT		 688#define V4L2_STD_625_50 (V4L2_STD_PAL |\
689 V4L2_STD_PAL_N |\
690 V4L2_STD_PAL_Nc |\
691 V4L2_STD_SECAM)
692#define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\
4ac97914 693 V4L2_STD_ATSC_16_VSB)
1da177e4
LT		 694
695#define V4L2_STD_UNKNOWN 0
696#define V4L2_STD_ALL (V4L2_STD_525_60 |\
697 V4L2_STD_625_50)
698
699struct v4l2_standard
700{
4ac97914 701 __u32 index;
1da177e4
LT		 702 v4l2_std_id id;
703 __u8 name[24];
704 struct v4l2_fract frameperiod; /* Frames, not fields */
705 __u32 framelines;
706 __u32 reserved[4];
707};
708
709
710/*
711 * V I D E O I N P U T S
712 */
713struct v4l2_input
714{
715 __u32 index; /* Which input */
4ac97914 716 __u8 name[32]; /* Label */
1da177e4 717 __u32 type; /* Type of input */
4ac97914 718 __u32 audioset; /* Associated audios (bitfield) */
1da177e4
LT		 719 __u32 tuner; /* Associated tuner */
720 v4l2_std_id std;
721 __u32 status;
722 __u32 reserved[4];
723};
724/* Values for the 'type' field */
725#define V4L2_INPUT_TYPE_TUNER 1
726#define V4L2_INPUT_TYPE_CAMERA 2
727
728/* field 'status' - general */
729#define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */
730#define V4L2_IN_ST_NO_SIGNAL 0x00000002
731#define V4L2_IN_ST_NO_COLOR 0x00000004
732
733/* field 'status' - analog */
734#define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
735#define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
736
737/* field 'status' - digital */
738#define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */
739#define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */
740#define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */
741
742/* field 'status' - VCR and set-top box */
743#define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */
744#define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */
745#define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */
746
747/*
748 * V I D E O O U T P U T S
749 */
750struct v4l2_output
751{
752 __u32 index; /* Which output */
4ac97914 753 __u8 name[32]; /* Label */
1da177e4 754 __u32 type; /* Type of output */
4ac97914 755 __u32 audioset; /* Associated audios (bitfield) */
1da177e4
LT		 756 __u32 modulator; /* Associated modulator */
757 v4l2_std_id std;
758 __u32 reserved[4];
759};
760/* Values for the 'type' field */
761#define V4L2_OUTPUT_TYPE_MODULATOR 1
762#define V4L2_OUTPUT_TYPE_ANALOG 2
763#define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3
764
765/*
766 * C O N T R O L S
767 */
768struct v4l2_control
769{
770 __u32 id;
771 __s32 value;
772};
773
774/* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
775struct v4l2_queryctrl
776{
4ac97914 777 __u32 id;
1da177e4
LT		 778 enum v4l2_ctrl_type type;
779 __u8 name[32]; /* Whatever */
780 __s32 minimum; /* Note signedness */
781 __s32 maximum;
4ac97914 782 __s32 step;
1da177e4
LT		 783 __s32 default_value;
784 __u32 flags;
785 __u32 reserved[2];
786};
787
788/* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
789struct v4l2_querymenu
790{
791 __u32 id;
792 __u32 index;
793 __u8 name[32]; /* Whatever */
794 __u32 reserved;
795};
796
797/* Control flags */
798#define V4L2_CTRL_FLAG_DISABLED 0x0001
799#define V4L2_CTRL_FLAG_GRABBED 0x0002
800
801/* Control IDs defined by V4L2 */
802#define V4L2_CID_BASE 0x00980900
803/* IDs reserved for driver specific controls */
804#define V4L2_CID_PRIVATE_BASE 0x08000000
805
806#define V4L2_CID_BRIGHTNESS (V4L2_CID_BASE+0)
807#define V4L2_CID_CONTRAST (V4L2_CID_BASE+1)
808#define V4L2_CID_SATURATION (V4L2_CID_BASE+2)
809#define V4L2_CID_HUE (V4L2_CID_BASE+3)
810#define V4L2_CID_AUDIO_VOLUME (V4L2_CID_BASE+5)
811#define V4L2_CID_AUDIO_BALANCE (V4L2_CID_BASE+6)
812#define V4L2_CID_AUDIO_BASS (V4L2_CID_BASE+7)
813#define V4L2_CID_AUDIO_TREBLE (V4L2_CID_BASE+8)
814#define V4L2_CID_AUDIO_MUTE (V4L2_CID_BASE+9)
815#define V4L2_CID_AUDIO_LOUDNESS (V4L2_CID_BASE+10)
816#define V4L2_CID_BLACK_LEVEL (V4L2_CID_BASE+11)
817#define V4L2_CID_AUTO_WHITE_BALANCE (V4L2_CID_BASE+12)
818#define V4L2_CID_DO_WHITE_BALANCE (V4L2_CID_BASE+13)
819#define V4L2_CID_RED_BALANCE (V4L2_CID_BASE+14)
820#define V4L2_CID_BLUE_BALANCE (V4L2_CID_BASE+15)
821#define V4L2_CID_GAMMA (V4L2_CID_BASE+16)
822#define V4L2_CID_WHITENESS (V4L2_CID_GAMMA) /* ? Not sure */
823#define V4L2_CID_EXPOSURE (V4L2_CID_BASE+17)
824#define V4L2_CID_AUTOGAIN (V4L2_CID_BASE+18)
825#define V4L2_CID_GAIN (V4L2_CID_BASE+19)
826#define V4L2_CID_HFLIP (V4L2_CID_BASE+20)
827#define V4L2_CID_VFLIP (V4L2_CID_BASE+21)
828#define V4L2_CID_HCENTER (V4L2_CID_BASE+22)
829#define V4L2_CID_VCENTER (V4L2_CID_BASE+23)
830#define V4L2_CID_LASTP1 (V4L2_CID_BASE+24) /* last CID + 1 */
831
832/*
833 * T U N I N G
834 */
835struct v4l2_tuner
836{
837 __u32 index;
838 __u8 name[32];
839 enum v4l2_tuner_type type;
840 __u32 capability;
841 __u32 rangelow;
842 __u32 rangehigh;
843 __u32 rxsubchans;
844 __u32 audmode;
845 __s32 signal;
846 __s32 afc;
847 __u32 reserved[4];
848};
849
850struct v4l2_modulator
851{
852 __u32 index;
853 __u8 name[32];
854 __u32 capability;
855 __u32 rangelow;
856 __u32 rangehigh;
857 __u32 txsubchans;
858 __u32 reserved[4];
859};
860
861/* Flags for the 'capability' field */
862#define V4L2_TUNER_CAP_LOW 0x0001
863#define V4L2_TUNER_CAP_NORM 0x0002
864#define V4L2_TUNER_CAP_STEREO 0x0010
865#define V4L2_TUNER_CAP_LANG2 0x0020
866#define V4L2_TUNER_CAP_SAP 0x0020
867#define V4L2_TUNER_CAP_LANG1 0x0040
868
869/* Flags for the 'rxsubchans' field */
870#define V4L2_TUNER_SUB_MONO 0x0001
871#define V4L2_TUNER_SUB_STEREO 0x0002
872#define V4L2_TUNER_SUB_LANG2 0x0004
873#define V4L2_TUNER_SUB_SAP 0x0004
874#define V4L2_TUNER_SUB_LANG1 0x0008
875
876/* Values for the 'audmode' field */
877#define V4L2_TUNER_MODE_MONO 0x0000
878#define V4L2_TUNER_MODE_STEREO 0x0001
879#define V4L2_TUNER_MODE_LANG2 0x0002
880#define V4L2_TUNER_MODE_SAP 0x0002
881#define V4L2_TUNER_MODE_LANG1 0x0003
882
883struct v4l2_frequency
884{
4ac97914 885 __u32 tuner;
1da177e4 886 enum v4l2_tuner_type type;
4ac97914
MCC		 887 __u32 frequency;
888 __u32 reserved[8];
1da177e4
LT		 889};
890
891/*
892 * A U D I O
893 */
894struct v4l2_audio
895{
896 __u32 index;
897 __u8 name[32];
898 __u32 capability;
899 __u32 mode;
900 __u32 reserved[2];
901};
902/* Flags for the 'capability' field */
903#define V4L2_AUDCAP_STEREO 0x00001
904#define V4L2_AUDCAP_AVL 0x00002
905
906/* Flags for the 'mode' field */
907#define V4L2_AUDMODE_AVL 0x00001
908
909struct v4l2_audioout
910{
911 __u32 index;
912 __u8 name[32];
913 __u32 capability;
914 __u32 mode;
915 __u32 reserved[2];
916};
917
918/*
919 * D A T A S E R V I C E S ( V B I )
920 *
921 * Data services API by Michael Schimek
922 */
923
9db45506
MCC		 924/* Raw VBI */
925
1da177e4
LT		 926struct v4l2_vbi_format
927{
928 __u32 sampling_rate; /* in 1 Hz */
929 __u32 offset;
930 __u32 samples_per_line;
931 __u32 sample_format; /* V4L2_PIX_FMT_* */
932 __s32 start[2];
933 __u32 count[2];
934 __u32 flags; /* V4L2_VBI_* */
935 __u32 reserved[2]; /* must be zero */
936};
937
938/* VBI flags */
939#define V4L2_VBI_UNSYNC (1<< 0)
940#define V4L2_VBI_INTERLACED (1<< 1)
941
9db45506
MCC		 942#if 1
943/* Sliced VBI
944 *
945 * This implements is a proposal V4L2 API to allow SLICED VBI
946 * required for some hardware encoders. It should change without
947 * notice in the definitive implementation.
948 */
949
950struct v4l2_sliced_vbi_format
951{
4ac97914
MCC		 952 __u16 service_set;
953 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
954 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
f2421ca3
MCC		 955 (equals frame lines 313-336 for 625 line video
956 standards, 263-286 for 525 line standards) */
4ac97914
MCC		 957 __u16 service_lines[2][24];
958 __u32 io_size;
959 __u32 reserved[2]; /* must be zero */
9db45506
MCC		 960};
961
4d0dddb1
MCC		 962/* Teletext World System Teletext
963 (WST), defined on ITU-R BT.653-2 */
6ac48b45
MCC		 964#define V4L2_SLICED_TELETEXT_PAL_B (0x000001)
965#define V4L2_SLICED_TELETEXT_PAL_C (0x000002)
966#define V4L2_SLICED_TELETEXT_NTSC_B (0x000010)
967#define V4L2_SLICED_TELETEXT_SECAM (0x000020)
968
4d0dddb1
MCC		 969/* Teletext North American Broadcast Teletext Specification
970 (NABTS), defined on ITU-R BT.653-2 */
6ac48b45
MCC		 971#define V4L2_SLICED_TELETEXT_NTSC_C (0x000040)
972#define V4L2_SLICED_TELETEXT_NTSC_D (0x000080)
973
974/* Video Program System, defined on ETS 300 231*/
975#define V4L2_SLICED_VPS (0x000400)
976
977/* Closed Caption, defined on EIA-608 */
978#define V4L2_SLICED_CAPTION_525 (0x001000)
979#define V4L2_SLICED_CAPTION_625 (0x002000)
980
981/* Wide Screen System, defined on ITU-R BT1119.1 */
982#define V4L2_SLICED_WSS_625 (0x004000)
983
984/* Wide Screen System, defined on IEC 61880 */
985#define V4L2_SLICED_WSS_525 (0x008000)
986
987/* Vertical Interval Timecode (VITC), defined on SMPTE 12M */
988#define V4l2_SLICED_VITC_625 (0x010000)
989#define V4l2_SLICED_VITC_525 (0x020000)
990
4d0dddb1
MCC		 991#define V4L2_SLICED_TELETEXT_B (V4L2_SLICED_TELETEXT_PAL_B |\
992 V4L2_SLICED_TELETEXT_NTSC_B)
993
994#define V4L2_SLICED_TELETEXT (V4L2_SLICED_TELETEXT_PAL_B |\
995 V4L2_SLICED_TELETEXT_PAL_C |\
996 V4L2_SLICED_TELETEXT_SECAM |\
997 V4L2_SLICED_TELETEXT_NTSC_B |\
998 V4L2_SLICED_TELETEXT_NTSC_C |\
999 V4L2_SLICED_TELETEXT_NTSC_D)
1000
1001#define V4L2_SLICED_CAPTION (V4L2_SLICED_CAPTION_525 |\
1002 V4L2_SLICED_CAPTION_625)
1003
1004#define V4L2_SLICED_WSS (V4L2_SLICED_WSS_525 |\
1005 V4L2_SLICED_WSS_625)
1006
1007#define V4L2_SLICED_VITC (V4L2_SLICED_VITC_525 |\
1008 V4L2_SLICED_VITC_625)
6ac48b45
MCC		 1009
1010#define V4L2_SLICED_VBI_525 (V4L2_SLICED_TELETEXT_NTSC_B |\
1011 V4L2_SLICED_TELETEXT_NTSC_C |\
1012 V4L2_SLICED_TELETEXT_NTSC_D |\
1013 V4L2_SLICED_CAPTION_525 |\
1014 V4L2_SLICED_WSS_525 |\
1015 V4l2_SLICED_VITC_525)
1016
1017#define V4L2_SLICED_VBI_625 (V4L2_SLICED_TELETEXT_PAL_B |\
1018 V4L2_SLICED_TELETEXT_PAL_C |\
1019 V4L2_SLICED_TELETEXT_SECAM |\
1020 V4L2_SLICED_VPS |\
1021 V4L2_SLICED_CAPTION_625 |\
1022 V4L2_SLICED_WSS_625 |\
1023 V4l2_SLICED_VITC_625)
9db45506
MCC		 1024
1025struct v4l2_sliced_vbi_cap
1026{
4ac97914
MCC		 1027 __u16 service_set;
1028 /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
1029 service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
f2421ca3
MCC		 1030 (equals frame lines 313-336 for 625 line video
1031 standards, 263-286 for 525 line standards) */
4ac97914
MCC		 1032 __u16 service_lines[2][24];
1033 __u32 reserved[4]; /* must be 0 */
9db45506
MCC		 1034};
1035
1036struct v4l2_sliced_vbi_data
1037{
4ac97914
MCC		 1038 __u32 id;
1039 __u32 field; /* 0: first field, 1: second field */
1040 __u32 line; /* 1-23 */
1041 __u32 reserved; /* must be 0 */
1042 __u8 data[48];
9db45506
MCC		 1043};
1044#endif
1da177e4
LT		 1045
1046/*
1047 * A G G R E G A T E S T R U C T U R E S
1048 */
1049
1050/* Stream data format
1051 */
1052struct v4l2_format
1053{
1054 enum v4l2_buf_type type;
1055 union
1056 {
4ac97914
MCC		 1057 struct v4l2_pix_format pix; // V4L2_BUF_TYPE_VIDEO_CAPTURE
1058 struct v4l2_window win; // V4L2_BUF_TYPE_VIDEO_OVERLAY
1059 struct v4l2_vbi_format vbi; // V4L2_BUF_TYPE_VBI_CAPTURE
9db45506
MCC		 1060#if 1
1061 struct v4l2_sliced_vbi_format sliced; // V4L2_BUF_TYPE_SLICED_VBI_CAPTURE
1062#endif
1063 __u8 raw_data[200]; // user-defined
1da177e4
LT		 1064 } fmt;
1065};
1066
1067
1068/* Stream type-dependent parameters
1069 */
1070struct v4l2_streamparm
1071{
1072 enum v4l2_buf_type type;
1073 union
1074 {
1075 struct v4l2_captureparm capture;
1076 struct v4l2_outputparm output;
1077 __u8 raw_data[200]; /* user-defined */
1078 } parm;
1079};
1080
1081
1082
1083/*
1084 * 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
1085 *
1086 */
1087#define VIDIOC_QUERYCAP _IOR ('V', 0, struct v4l2_capability)
1088#define VIDIOC_RESERVED _IO ('V', 1)
1089#define VIDIOC_ENUM_FMT _IOWR ('V', 2, struct v4l2_fmtdesc)
1090#define VIDIOC_G_FMT _IOWR ('V', 4, struct v4l2_format)
1091#define VIDIOC_S_FMT _IOWR ('V', 5, struct v4l2_format)
1da177e4
LT		 1092#define VIDIOC_G_MPEGCOMP _IOR ('V', 6, struct v4l2_mpeg_compression)
1093#define VIDIOC_S_MPEGCOMP _IOW ('V', 7, struct v4l2_mpeg_compression)
1da177e4
LT		 1094#define VIDIOC_REQBUFS _IOWR ('V', 8, struct v4l2_requestbuffers)
1095#define VIDIOC_QUERYBUF _IOWR ('V', 9, struct v4l2_buffer)
1096#define VIDIOC_G_FBUF _IOR ('V', 10, struct v4l2_framebuffer)
1097#define VIDIOC_S_FBUF _IOW ('V', 11, struct v4l2_framebuffer)
1098#define VIDIOC_OVERLAY _IOW ('V', 14, int)
1099#define VIDIOC_QBUF _IOWR ('V', 15, struct v4l2_buffer)
1100#define VIDIOC_DQBUF _IOWR ('V', 17, struct v4l2_buffer)
1101#define VIDIOC_STREAMON _IOW ('V', 18, int)
1102#define VIDIOC_STREAMOFF _IOW ('V', 19, int)
1103#define VIDIOC_G_PARM _IOWR ('V', 21, struct v4l2_streamparm)
1104#define VIDIOC_S_PARM _IOWR ('V', 22, struct v4l2_streamparm)
1105#define VIDIOC_G_STD _IOR ('V', 23, v4l2_std_id)
1106#define VIDIOC_S_STD _IOW ('V', 24, v4l2_std_id)
1107#define VIDIOC_ENUMSTD _IOWR ('V', 25, struct v4l2_standard)
1108#define VIDIOC_ENUMINPUT _IOWR ('V', 26, struct v4l2_input)
1109#define VIDIOC_G_CTRL _IOWR ('V', 27, struct v4l2_control)
1110#define VIDIOC_S_CTRL _IOWR ('V', 28, struct v4l2_control)
1111#define VIDIOC_G_TUNER _IOWR ('V', 29, struct v4l2_tuner)
1112#define VIDIOC_S_TUNER _IOW ('V', 30, struct v4l2_tuner)
1113#define VIDIOC_G_AUDIO _IOR ('V', 33, struct v4l2_audio)
1114#define VIDIOC_S_AUDIO _IOW ('V', 34, struct v4l2_audio)
1115#define VIDIOC_QUERYCTRL _IOWR ('V', 36, struct v4l2_queryctrl)
1116#define VIDIOC_QUERYMENU _IOWR ('V', 37, struct v4l2_querymenu)
1117#define VIDIOC_G_INPUT _IOR ('V', 38, int)
1118#define VIDIOC_S_INPUT _IOWR ('V', 39, int)
1119#define VIDIOC_G_OUTPUT _IOR ('V', 46, int)
1120#define VIDIOC_S_OUTPUT _IOWR ('V', 47, int)
1121#define VIDIOC_ENUMOUTPUT _IOWR ('V', 48, struct v4l2_output)
1122#define VIDIOC_G_AUDOUT _IOR ('V', 49, struct v4l2_audioout)
1123#define VIDIOC_S_AUDOUT _IOW ('V', 50, struct v4l2_audioout)
1124#define VIDIOC_G_MODULATOR _IOWR ('V', 54, struct v4l2_modulator)
1125#define VIDIOC_S_MODULATOR _IOW ('V', 55, struct v4l2_modulator)
1126#define VIDIOC_G_FREQUENCY _IOWR ('V', 56, struct v4l2_frequency)
1127#define VIDIOC_S_FREQUENCY _IOW ('V', 57, struct v4l2_frequency)
1128#define VIDIOC_CROPCAP _IOWR ('V', 58, struct v4l2_cropcap)
1129#define VIDIOC_G_CROP _IOWR ('V', 59, struct v4l2_crop)
1130#define VIDIOC_S_CROP _IOW ('V', 60, struct v4l2_crop)
1131#define VIDIOC_G_JPEGCOMP _IOR ('V', 61, struct v4l2_jpegcompression)
1132#define VIDIOC_S_JPEGCOMP _IOW ('V', 62, struct v4l2_jpegcompression)
1133#define VIDIOC_QUERYSTD _IOR ('V', 63, v4l2_std_id)
1134#define VIDIOC_TRY_FMT _IOWR ('V', 64, struct v4l2_format)
1135#define VIDIOC_ENUMAUDIO _IOWR ('V', 65, struct v4l2_audio)
1136#define VIDIOC_ENUMAUDOUT _IOWR ('V', 66, struct v4l2_audioout)
1137#define VIDIOC_G_PRIORITY _IOR ('V', 67, enum v4l2_priority)
1138#define VIDIOC_S_PRIORITY _IOW ('V', 68, enum v4l2_priority)
9db45506
MCC		 1139#if 1
1140#define VIDIOC_G_SLICED_VBI_CAP _IOR ('V', 69, struct v4l2_sliced_vbi_cap)
1141#endif
299392bf 1142#define VIDIOC_LOG_STATUS _IO ('V', 70)
1da177e4
LT		 1143
1144/* for compatibility, will go away some day */
1145#define VIDIOC_OVERLAY_OLD _IOWR ('V', 14, int)
1146#define VIDIOC_S_PARM_OLD _IOW ('V', 22, struct v4l2_streamparm)
1147#define VIDIOC_S_CTRL_OLD _IOW ('V', 28, struct v4l2_control)
1148#define VIDIOC_G_AUDIO_OLD _IOWR ('V', 33, struct v4l2_audio)
1149#define VIDIOC_G_AUDOUT_OLD _IOWR ('V', 49, struct v4l2_audioout)
1150#define VIDIOC_CROPCAP_OLD _IOR ('V', 58, struct v4l2_cropcap)
1151
1152#define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */
1153
1154
1155#ifdef __KERNEL__
1156/*
1157 *
1158 * V 4 L 2 D R I V E R H E L P E R A P I
1159 *
1160 * Some commonly needed functions for drivers (v4l2-common.o module)
1161 */
1162#include <linux/fs.h>
1163
1164/* Video standard functions */
1165extern unsigned int v4l2_video_std_fps(struct v4l2_standard *vs);
1166extern int v4l2_video_std_construct(struct v4l2_standard *vs,
1167 int id, char *name);
1168
1169/* prority handling */
1170struct v4l2_prio_state {
1171 atomic_t prios[4];
1172};
1173int v4l2_prio_init(struct v4l2_prio_state *global);
1174int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local,
1175 enum v4l2_priority new);
1176int v4l2_prio_open(struct v4l2_prio_state *global, enum v4l2_priority *local);
1177int v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority *local);
1178enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global);
1179int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local);
1180
1181/* names for fancy debug output */
1182extern char *v4l2_field_names[];
1183extern char *v4l2_type_names[];
1da177e4
LT		 1184
1185/* Compatibility layer interface -- v4l1-compat module */
1186typedef int (*v4l2_kioctl)(struct inode *inode, struct file *file,
1187 unsigned int cmd, void *arg);
1188int v4l_compat_translate_ioctl(struct inode *inode, struct file *file,
1189 int cmd, void *arg, v4l2_kioctl driver_ioctl);
f3c5987a 1190
0d0fbf81
AB		 1191/* 32 Bits compatibility layer for 64 bits processors */
1192extern long v4l_compat_ioctl32(struct file *file, unsigned int cmd,
1193 unsigned long arg);
1da177e4 1194
f3c5987a 1195
1da177e4
LT		 1196#endif /* __KERNEL__ */
1197#endif /* __LINUX_VIDEODEV2_H */
1198
1199/*
1200 * Local variables:
1201 * c-basic-offset: 8
1202 * End:
1203 */
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