1 #ifndef __LINUX_VIDEODEV2_H
2 #define __LINUX_VIDEODEV2_H
6 * Header file for v4l or V4L2 drivers and applications, for
7 * Linux kernels 2.2.x or 2.4.x.
9 * See http://bytesex.org/v4l/ for API specs and other
12 * Author: Bill Dirks <bdirks@pacbell.net>
16 #include <linux/time.h> /* need struct timeval */
19 * M I S C E L L A N E O U S
22 /* Four-character-code (FOURCC) */
23 #define v4l2_fourcc(a,b,c,d)\
24 (((__u32)(a)<<0)|((__u32)(b)<<8)|((__u32)(c)<<16)|((__u32)(d)<<24))
30 V4L2_FIELD_ANY = 0, /* driver can choose from none,
31 top, bottom, interlaced
32 depending on whatever it thinks
34 V4L2_FIELD_NONE = 1, /* this device has no fields ... */
35 V4L2_FIELD_TOP = 2, /* top field only */
36 V4L2_FIELD_BOTTOM = 3, /* bottom field only */
37 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */
38 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one
39 buffer, top-bottom order */
40 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */
41 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into
44 #define V4L2_FIELD_HAS_TOP(field) \
45 ((field) == V4L2_FIELD_TOP ||\
46 (field) == V4L2_FIELD_INTERLACED ||\
47 (field) == V4L2_FIELD_SEQ_TB ||\
48 (field) == V4L2_FIELD_SEQ_BT)
49 #define V4L2_FIELD_HAS_BOTTOM(field) \
50 ((field) == V4L2_FIELD_BOTTOM ||\
51 (field) == V4L2_FIELD_INTERLACED ||\
52 (field) == V4L2_FIELD_SEQ_TB ||\
53 (field) == V4L2_FIELD_SEQ_BT)
54 #define V4L2_FIELD_HAS_BOTH(field) \
55 ((field) == V4L2_FIELD_INTERLACED ||\
56 (field) == V4L2_FIELD_SEQ_TB ||\
57 (field) == V4L2_FIELD_SEQ_BT)
60 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1,
61 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2,
62 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3,
63 V4L2_BUF_TYPE_VBI_CAPTURE = 4,
64 V4L2_BUF_TYPE_VBI_OUTPUT = 5,
65 V4L2_BUF_TYPE_PRIVATE = 0x80,
69 V4L2_CTRL_TYPE_INTEGER = 1,
70 V4L2_CTRL_TYPE_BOOLEAN = 2,
71 V4L2_CTRL_TYPE_MENU = 3,
72 V4L2_CTRL_TYPE_BUTTON = 4,
75 enum v4l2_tuner_type {
77 V4L2_TUNER_ANALOG_TV = 2,
82 V4L2_MEMORY_USERPTR = 2,
83 V4L2_MEMORY_OVERLAY = 3,
86 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
87 enum v4l2_colorspace {
88 /* ITU-R 601 -- broadcast NTSC/PAL */
89 V4L2_COLORSPACE_SMPTE170M = 1,
91 /* 1125-Line (US) HDTV */
92 V4L2_COLORSPACE_SMPTE240M = 2,
94 /* HD and modern captures. */
95 V4L2_COLORSPACE_REC709 = 3,
97 /* broken BT878 extents (601, luma range 16-253 instead of 16-235) */
98 V4L2_COLORSPACE_BT878 = 4,
100 /* These should be useful. Assume 601 extents. */
101 V4L2_COLORSPACE_470_SYSTEM_M = 5,
102 V4L2_COLORSPACE_470_SYSTEM_BG = 6,
104 /* I know there will be cameras that send this. So, this is
105 * unspecified chromaticities and full 0-255 on each of the
108 V4L2_COLORSPACE_JPEG = 7,
110 /* For RGB colourspaces, this is probably a good start. */
111 V4L2_COLORSPACE_SRGB = 8,
127 * D R I V E R C A P A B I L I T I E S
129 struct v4l2_capability
131 __u8 driver[16]; /* i.e. "bttv" */
132 __u8 card[32]; /* i.e. "Hauppauge WinTV" */
133 __u8 bus_info[32]; /* "PCI:" + pci_name(pci_dev) */
134 __u32 version; /* should use KERNEL_VERSION() */
135 __u32 capabilities; /* Device capabilities */
139 /* Values for 'capabilities' field */
140 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */
141 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */
142 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */
143 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a VBI capture device */
144 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a VBI output device */
145 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */
147 #define V4L2_CAP_TUNER 0x00010000 /* Has a tuner */
148 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */
150 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
151 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */
152 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */
155 * V I D E O I M A G E F O R M A T
158 struct v4l2_pix_format
163 enum v4l2_field field;
164 __u32 bytesperline; /* for padding, zero if unused */
166 enum v4l2_colorspace colorspace;
167 __u32 priv; /* private data, depends on pixelformat */
170 /* Pixel format FOURCC depth Description */
171 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R','G','B','1') /* 8 RGB-3-3-2 */
172 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R','G','B','O') /* 16 RGB-5-5-5 */
173 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R','G','B','P') /* 16 RGB-5-6-5 */
174 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R','G','B','Q') /* 16 RGB-5-5-5 BE */
175 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R','G','B','R') /* 16 RGB-5-6-5 BE */
176 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B','G','R','3') /* 24 BGR-8-8-8 */
177 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R','G','B','3') /* 24 RGB-8-8-8 */
178 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B','G','R','4') /* 32 BGR-8-8-8-8 */
179 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R','G','B','4') /* 32 RGB-8-8-8-8 */
180 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G','R','E','Y') /* 8 Greyscale */
181 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y','V','U','9') /* 9 YVU 4:1:0 */
182 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y','V','1','2') /* 12 YVU 4:2:0 */
183 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y','U','Y','V') /* 16 YUV 4:2:2 */
184 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U','Y','V','Y') /* 16 YUV 4:2:2 */
185 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4','2','2','P') /* 16 YVU422 planar */
186 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4','1','1','P') /* 16 YVU411 planar */
187 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y','4','1','P') /* 12 YUV 4:1:1 */
189 /* two planes -- one Y, one Cr + Cb interleaved */
190 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N','V','1','2') /* 12 Y/CbCr 4:2:0 */
191 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N','V','2','1') /* 12 Y/CrCb 4:2:0 */
193 /* The following formats are not defined in the V4L2 specification */
194 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y','U','V','9') /* 9 YUV 4:1:0 */
195 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y','U','1','2') /* 12 YUV 4:2:0 */
196 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y','Y','U','V') /* 16 YUV 4:2:2 */
197 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H','I','2','4') /* 8 8-bit color */
199 /* compressed formats */
200 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M','J','P','G') /* Motion-JPEG */
201 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J','P','E','G') /* JFIF JPEG */
202 #define V4L2_PIX_FMT_DV v4l2_fourcc('d','v','s','d') /* 1394 */
203 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M','P','E','G') /* MPEG */
205 /* Vendor-specific formats */
206 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W','N','V','A') /* Winnov hw compres */
209 * F O R M A T E N U M E R A T I O N
213 __u32 index; /* Format number */
214 enum v4l2_buf_type type; /* buffer type */
216 __u8 description[32]; /* Description string */
217 __u32 pixelformat; /* Format fourcc */
221 #define V4L2_FMT_FLAG_COMPRESSED 0x0001
239 #define V4L2_TC_TYPE_24FPS 1
240 #define V4L2_TC_TYPE_25FPS 2
241 #define V4L2_TC_TYPE_30FPS 3
242 #define V4L2_TC_TYPE_50FPS 4
243 #define V4L2_TC_TYPE_60FPS 5
246 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */
247 #define V4L2_TC_FLAG_COLORFRAME 0x0002
248 #define V4L2_TC_USERBITS_field 0x000C
249 #define V4L2_TC_USERBITS_USERDEFINED 0x0000
250 #define V4L2_TC_USERBITS_8BITCHARS 0x0008
251 /* The above is based on SMPTE timecodes */
255 * C O M P R E S S I O N P A R A M E T E R S
258 /* ### generic compression settings don't work, there is too much
259 * ### codec-specific stuff. Maybe reuse that for MPEG codec settings
261 struct v4l2_compression
270 struct v4l2_jpegcompression
274 int APPn; /* Number of APP segment to be written,
276 int APP_len; /* Length of data in JPEG APPn segment */
277 char APP_data[60]; /* Data in the JPEG APPn segment. */
279 int COM_len; /* Length of data in JPEG COM segment */
280 char COM_data[60]; /* Data in JPEG COM segment */
282 __u32 jpeg_markers; /* Which markers should go into the JPEG
283 * output. Unless you exactly know what
284 * you do, leave them untouched.
285 * Inluding less markers will make the
286 * resulting code smaller, but there will
287 * be fewer aplications which can read it.
288 * The presence of the APP and COM marker
289 * is influenced by APP_len and COM_len
290 * ONLY, not by this property! */
292 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */
293 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */
294 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
295 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */
296 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will
297 * allways use APP0 */
302 * M E M O R Y - M A P P I N G B U F F E R S
304 struct v4l2_requestbuffers
307 enum v4l2_buf_type type;
308 enum v4l2_memory memory;
315 enum v4l2_buf_type type;
318 enum v4l2_field field;
319 struct timeval timestamp;
320 struct v4l2_timecode timecode;
323 /* memory location */
324 enum v4l2_memory memory;
327 unsigned long userptr;
334 /* Flags for 'flags' field */
335 #define V4L2_BUF_FLAG_MAPPED 0x0001 /* Buffer is mapped (flag) */
336 #define V4L2_BUF_FLAG_QUEUED 0x0002 /* Buffer is queued for processing */
337 #define V4L2_BUF_FLAG_DONE 0x0004 /* Buffer is ready */
338 #define V4L2_BUF_FLAG_KEYFRAME 0x0008 /* Image is a keyframe (I-frame) */
339 #define V4L2_BUF_FLAG_PFRAME 0x0010 /* Image is a P-frame */
340 #define V4L2_BUF_FLAG_BFRAME 0x0020 /* Image is a B-frame */
341 #define V4L2_BUF_FLAG_TIMECODE 0x0100 /* timecode field is valid */
344 * O V E R L A Y P R E V I E W
346 struct v4l2_framebuffer
350 /* FIXME: in theory we should pass something like PCI device + memory
351 * region + offset instead of some physical address */
353 struct v4l2_pix_format fmt;
355 /* Flags for the 'capability' field. Read only */
356 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
357 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002
358 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004
359 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008
360 /* Flags for the 'flags' field. */
361 #define V4L2_FBUF_FLAG_PRIMARY 0x0001
362 #define V4L2_FBUF_FLAG_OVERLAY 0x0002
363 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004
368 struct v4l2_clip *next;
374 enum v4l2_field field;
376 struct v4l2_clip *clips;
383 * C A P T U R E P A R A M E T E R S
385 struct v4l2_captureparm
387 __u32 capability; /* Supported modes */
388 __u32 capturemode; /* Current mode */
389 struct v4l2_fract timeperframe; /* Time per frame in .1us units */
390 __u32 extendedmode; /* Driver-specific extensions */
391 __u32 readbuffers; /* # of buffers for read */
394 /* Flags for 'capability' and 'capturemode' fields */
395 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */
396 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */
398 struct v4l2_outputparm
400 __u32 capability; /* Supported modes */
401 __u32 outputmode; /* Current mode */
402 struct v4l2_fract timeperframe; /* Time per frame in seconds */
403 __u32 extendedmode; /* Driver-specific extensions */
404 __u32 writebuffers; /* # of buffers for write */
409 * I N P U T I M A G E C R O P P I N G
412 struct v4l2_cropcap {
413 enum v4l2_buf_type type;
414 struct v4l2_rect bounds;
415 struct v4l2_rect defrect;
416 struct v4l2_fract pixelaspect;
420 enum v4l2_buf_type type;
425 * A N A L O G V I D E O S T A N D A R D
428 typedef __u64 v4l2_std_id;
430 /* one bit for each */
431 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001)
432 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002)
433 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004)
434 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008)
435 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010)
436 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020)
437 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040)
438 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080)
440 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100)
441 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200)
442 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
443 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
445 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000)
446 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000)
448 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
449 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
450 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000)
451 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000)
452 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
453 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
454 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
457 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
458 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000)
460 /* some common needed stuff */
461 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\
464 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\
467 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\
471 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\
473 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\
481 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\
484 #define V4L2_STD_625_50 (V4L2_STD_PAL |\
489 #define V4L2_STD_UNKNOWN 0
490 #define V4L2_STD_ALL (V4L2_STD_525_60 |\
498 struct v4l2_fract frameperiod; /* Frames, not fields */
505 * V I D E O I N P U T S
509 __u32 index; /* Which input */
510 __u8 name[32]; /* Label */
511 __u32 type; /* Type of input */
512 __u32 audioset; /* Associated audios (bitfield) */
513 __u32 tuner; /* Associated tuner */
518 /* Values for the 'type' field */
519 #define V4L2_INPUT_TYPE_TUNER 1
520 #define V4L2_INPUT_TYPE_CAMERA 2
522 /* field 'status' - general */
523 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */
524 #define V4L2_IN_ST_NO_SIGNAL 0x00000002
525 #define V4L2_IN_ST_NO_COLOR 0x00000004
527 /* field 'status' - analog */
528 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
529 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
531 /* field 'status' - digital */
532 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */
533 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */
534 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */
536 /* field 'status' - VCR and set-top box */
537 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */
538 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */
539 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */
542 * V I D E O O U T P U T S
546 __u32 index; /* Which output */
547 __u8 name[32]; /* Label */
548 __u32 type; /* Type of output */
549 __u32 audioset; /* Associated audios (bitfield) */
550 __u32 modulator; /* Associated modulator */
554 /* Values for the 'type' field */
555 #define V4L2_OUTPUT_TYPE_MODULATOR 1
556 #define V4L2_OUTPUT_TYPE_ANALOG 2
557 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3
568 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
569 struct v4l2_queryctrl
572 enum v4l2_ctrl_type type;
573 __u8 name[32]; /* Whatever */
574 __s32 minimum; /* Note signedness */
582 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
583 struct v4l2_querymenu
587 __u8 name[32]; /* Whatever */
592 #define V4L2_CTRL_FLAG_DISABLED 0x0001
593 #define V4L2_CTRL_FLAG_GRABBED 0x0002
595 /* Control IDs defined by V4L2 */
596 #define V4L2_CID_BASE 0x00980900
597 /* IDs reserved for driver specific controls */
598 #define V4L2_CID_PRIVATE_BASE 0x08000000
600 #define V4L2_CID_BRIGHTNESS (V4L2_CID_BASE+0)
601 #define V4L2_CID_CONTRAST (V4L2_CID_BASE+1)
602 #define V4L2_CID_SATURATION (V4L2_CID_BASE+2)
603 #define V4L2_CID_HUE (V4L2_CID_BASE+3)
604 #define V4L2_CID_AUDIO_VOLUME (V4L2_CID_BASE+5)
605 #define V4L2_CID_AUDIO_BALANCE (V4L2_CID_BASE+6)
606 #define V4L2_CID_AUDIO_BASS (V4L2_CID_BASE+7)
607 #define V4L2_CID_AUDIO_TREBLE (V4L2_CID_BASE+8)
608 #define V4L2_CID_AUDIO_MUTE (V4L2_CID_BASE+9)
609 #define V4L2_CID_AUDIO_LOUDNESS (V4L2_CID_BASE+10)
610 #define V4L2_CID_BLACK_LEVEL (V4L2_CID_BASE+11)
611 #define V4L2_CID_AUTO_WHITE_BALANCE (V4L2_CID_BASE+12)
612 #define V4L2_CID_DO_WHITE_BALANCE (V4L2_CID_BASE+13)
613 #define V4L2_CID_RED_BALANCE (V4L2_CID_BASE+14)
614 #define V4L2_CID_BLUE_BALANCE (V4L2_CID_BASE+15)
615 #define V4L2_CID_GAMMA (V4L2_CID_BASE+16)
616 #define V4L2_CID_WHITENESS (V4L2_CID_GAMMA) /* ? Not sure */
617 #define V4L2_CID_EXPOSURE (V4L2_CID_BASE+17)
618 #define V4L2_CID_AUTOGAIN (V4L2_CID_BASE+18)
619 #define V4L2_CID_GAIN (V4L2_CID_BASE+19)
620 #define V4L2_CID_HFLIP (V4L2_CID_BASE+20)
621 #define V4L2_CID_VFLIP (V4L2_CID_BASE+21)
622 #define V4L2_CID_HCENTER (V4L2_CID_BASE+22)
623 #define V4L2_CID_VCENTER (V4L2_CID_BASE+23)
624 #define V4L2_CID_LASTP1 (V4L2_CID_BASE+24) /* last CID + 1 */
633 enum v4l2_tuner_type type;
644 struct v4l2_modulator
655 /* Flags for the 'capability' field */
656 #define V4L2_TUNER_CAP_LOW 0x0001
657 #define V4L2_TUNER_CAP_NORM 0x0002
658 #define V4L2_TUNER_CAP_STEREO 0x0010
659 #define V4L2_TUNER_CAP_LANG2 0x0020
660 #define V4L2_TUNER_CAP_SAP 0x0020
661 #define V4L2_TUNER_CAP_LANG1 0x0040
663 /* Flags for the 'rxsubchans' field */
664 #define V4L2_TUNER_SUB_MONO 0x0001
665 #define V4L2_TUNER_SUB_STEREO 0x0002
666 #define V4L2_TUNER_SUB_LANG2 0x0004
667 #define V4L2_TUNER_SUB_SAP 0x0004
668 #define V4L2_TUNER_SUB_LANG1 0x0008
670 /* Values for the 'audmode' field */
671 #define V4L2_TUNER_MODE_MONO 0x0000
672 #define V4L2_TUNER_MODE_STEREO 0x0001
673 #define V4L2_TUNER_MODE_LANG2 0x0002
674 #define V4L2_TUNER_MODE_SAP 0x0002
675 #define V4L2_TUNER_MODE_LANG1 0x0003
677 struct v4l2_frequency
680 enum v4l2_tuner_type type;
696 /* Flags for the 'capability' field */
697 #define V4L2_AUDCAP_STEREO 0x00001
698 #define V4L2_AUDCAP_AVL 0x00002
700 /* Flags for the 'mode' field */
701 #define V4L2_AUDMODE_AVL 0x00001
713 * D A T A S E R V I C E S ( V B I )
715 * Data services API by Michael Schimek
718 struct v4l2_vbi_format
720 __u32 sampling_rate; /* in 1 Hz */
722 __u32 samples_per_line;
723 __u32 sample_format; /* V4L2_PIX_FMT_* */
726 __u32 flags; /* V4L2_VBI_* */
727 __u32 reserved[2]; /* must be zero */
731 #define V4L2_VBI_UNSYNC (1<< 0)
732 #define V4L2_VBI_INTERLACED (1<< 1)
736 * A G G R E G A T E S T R U C T U R E S
739 /* Stream data format
743 enum v4l2_buf_type type;
746 struct v4l2_pix_format pix; // V4L2_BUF_TYPE_VIDEO_CAPTURE
747 struct v4l2_window win; // V4L2_BUF_TYPE_VIDEO_OVERLAY
748 struct v4l2_vbi_format vbi; // V4L2_BUF_TYPE_VBI_CAPTURE
749 __u8 raw_data[200]; // user-defined
754 /* Stream type-dependent parameters
756 struct v4l2_streamparm
758 enum v4l2_buf_type type;
761 struct v4l2_captureparm capture;
762 struct v4l2_outputparm output;
763 __u8 raw_data[200]; /* user-defined */
770 * 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
773 #define VIDIOC_QUERYCAP _IOR ('V', 0, struct v4l2_capability)
774 #define VIDIOC_RESERVED _IO ('V', 1)
775 #define VIDIOC_ENUM_FMT _IOWR ('V', 2, struct v4l2_fmtdesc)
776 #define VIDIOC_G_FMT _IOWR ('V', 4, struct v4l2_format)
777 #define VIDIOC_S_FMT _IOWR ('V', 5, struct v4l2_format)
779 #define VIDIOC_G_COMP _IOR ('V', 6, struct v4l2_compression)
780 #define VIDIOC_S_COMP _IOW ('V', 7, struct v4l2_compression)
782 #define VIDIOC_REQBUFS _IOWR ('V', 8, struct v4l2_requestbuffers)
783 #define VIDIOC_QUERYBUF _IOWR ('V', 9, struct v4l2_buffer)
784 #define VIDIOC_G_FBUF _IOR ('V', 10, struct v4l2_framebuffer)
785 #define VIDIOC_S_FBUF _IOW ('V', 11, struct v4l2_framebuffer)
786 #define VIDIOC_OVERLAY _IOWR ('V', 14, int)
787 #define VIDIOC_QBUF _IOWR ('V', 15, struct v4l2_buffer)
788 #define VIDIOC_DQBUF _IOWR ('V', 17, struct v4l2_buffer)
789 #define VIDIOC_STREAMON _IOW ('V', 18, int)
790 #define VIDIOC_STREAMOFF _IOW ('V', 19, int)
791 #define VIDIOC_G_PARM _IOWR ('V', 21, struct v4l2_streamparm)
792 #define VIDIOC_S_PARM _IOW ('V', 22, struct v4l2_streamparm)
793 #define VIDIOC_G_STD _IOR ('V', 23, v4l2_std_id)
794 #define VIDIOC_S_STD _IOW ('V', 24, v4l2_std_id)
795 #define VIDIOC_ENUMSTD _IOWR ('V', 25, struct v4l2_standard)
796 #define VIDIOC_ENUMINPUT _IOWR ('V', 26, struct v4l2_input)
797 #define VIDIOC_G_CTRL _IOWR ('V', 27, struct v4l2_control)
798 #define VIDIOC_S_CTRL _IOW ('V', 28, struct v4l2_control)
799 #define VIDIOC_G_TUNER _IOWR ('V', 29, struct v4l2_tuner)
800 #define VIDIOC_S_TUNER _IOW ('V', 30, struct v4l2_tuner)
801 #define VIDIOC_G_AUDIO _IOWR ('V', 33, struct v4l2_audio)
802 #define VIDIOC_S_AUDIO _IOW ('V', 34, struct v4l2_audio)
803 #define VIDIOC_QUERYCTRL _IOWR ('V', 36, struct v4l2_queryctrl)
804 #define VIDIOC_QUERYMENU _IOWR ('V', 37, struct v4l2_querymenu)
805 #define VIDIOC_G_INPUT _IOR ('V', 38, int)
806 #define VIDIOC_S_INPUT _IOWR ('V', 39, int)
807 #define VIDIOC_G_OUTPUT _IOR ('V', 46, int)
808 #define VIDIOC_S_OUTPUT _IOWR ('V', 47, int)
809 #define VIDIOC_ENUMOUTPUT _IOWR ('V', 48, struct v4l2_output)
810 #define VIDIOC_G_AUDOUT _IOWR ('V', 49, struct v4l2_audioout)
811 #define VIDIOC_S_AUDOUT _IOW ('V', 50, struct v4l2_audioout)
812 #define VIDIOC_G_MODULATOR _IOWR ('V', 54, struct v4l2_modulator)
813 #define VIDIOC_S_MODULATOR _IOW ('V', 55, struct v4l2_modulator)
814 #define VIDIOC_G_FREQUENCY _IOWR ('V', 56, struct v4l2_frequency)
815 #define VIDIOC_S_FREQUENCY _IOW ('V', 57, struct v4l2_frequency)
816 #define VIDIOC_CROPCAP _IOR ('V', 58, struct v4l2_cropcap)
817 #define VIDIOC_G_CROP _IOWR ('V', 59, struct v4l2_crop)
818 #define VIDIOC_S_CROP _IOW ('V', 60, struct v4l2_crop)
819 #define VIDIOC_G_JPEGCOMP _IOR ('V', 61, struct v4l2_jpegcompression)
820 #define VIDIOC_S_JPEGCOMP _IOW ('V', 62, struct v4l2_jpegcompression)
821 #define VIDIOC_QUERYSTD _IOR ('V', 63, v4l2_std_id)
822 #define VIDIOC_TRY_FMT _IOWR ('V', 64, struct v4l2_format)
824 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */
830 * V 4 L 2 D R I V E R H E L P E R A P I
832 * Some commonly needed functions for drivers (v4l2-common.o module)
834 #include <linux/fs.h>
836 /* Video standard functions */
837 extern unsigned int v4l2_video_std_fps(struct v4l2_standard *vs);
838 extern int v4l2_video_std_construct(struct v4l2_standard *vs,
841 /* Compatibility layer interface */
842 typedef int (*v4l2_kioctl)(struct inode *inode, struct file *file,
843 unsigned int cmd, void *arg);
844 int v4l_compat_translate_ioctl(struct inode *inode, struct file *file,
845 int cmd, void *arg, v4l2_kioctl driver_ioctl);
847 /* names for fancy debug output */
848 extern char *v4l2_field_names[];
849 extern char *v4l2_type_names[];
850 extern char *v4l2_ioctl_names[];
852 #endif /* __KERNEL__ */
853 #endif /* __LINUX_VIDEODEV2_H */