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>
17 #include <linux/time.h> /* need struct timeval */
19 #include <linux/compiler.h> /* need __user */
22 * M I S C E L L A N E O U S
25 /* Four-character-code (FOURCC) */
26 #define v4l2_fourcc(a,b,c,d)\
27 (((__u32)(a)<<0)|((__u32)(b)<<8)|((__u32)(c)<<16)|((__u32)(d)<<24))
33 V4L2_FIELD_ANY = 0, /* driver can choose from none,
34 top, bottom, interlaced
35 depending on whatever it thinks
37 V4L2_FIELD_NONE = 1, /* this device has no fields ... */
38 V4L2_FIELD_TOP = 2, /* top field only */
39 V4L2_FIELD_BOTTOM = 3, /* bottom field only */
40 V4L2_FIELD_INTERLACED = 4, /* both fields interlaced */
41 V4L2_FIELD_SEQ_TB = 5, /* both fields sequential into one
42 buffer, top-bottom order */
43 V4L2_FIELD_SEQ_BT = 6, /* same as above + bottom-top order */
44 V4L2_FIELD_ALTERNATE = 7, /* both fields alternating into
47 #define V4L2_FIELD_HAS_TOP(field) \
48 ((field) == V4L2_FIELD_TOP ||\
49 (field) == V4L2_FIELD_INTERLACED ||\
50 (field) == V4L2_FIELD_SEQ_TB ||\
51 (field) == V4L2_FIELD_SEQ_BT)
52 #define V4L2_FIELD_HAS_BOTTOM(field) \
53 ((field) == V4L2_FIELD_BOTTOM ||\
54 (field) == V4L2_FIELD_INTERLACED ||\
55 (field) == V4L2_FIELD_SEQ_TB ||\
56 (field) == V4L2_FIELD_SEQ_BT)
57 #define V4L2_FIELD_HAS_BOTH(field) \
58 ((field) == V4L2_FIELD_INTERLACED ||\
59 (field) == V4L2_FIELD_SEQ_TB ||\
60 (field) == V4L2_FIELD_SEQ_BT)
63 V4L2_BUF_TYPE_VIDEO_CAPTURE = 1,
64 V4L2_BUF_TYPE_VIDEO_OUTPUT = 2,
65 V4L2_BUF_TYPE_VIDEO_OVERLAY = 3,
66 V4L2_BUF_TYPE_VBI_CAPTURE = 4,
67 V4L2_BUF_TYPE_VBI_OUTPUT = 5,
68 V4L2_BUF_TYPE_PRIVATE = 0x80,
72 V4L2_CTRL_TYPE_INTEGER = 1,
73 V4L2_CTRL_TYPE_BOOLEAN = 2,
74 V4L2_CTRL_TYPE_MENU = 3,
75 V4L2_CTRL_TYPE_BUTTON = 4,
78 enum v4l2_tuner_type {
80 V4L2_TUNER_ANALOG_TV = 2,
85 V4L2_MEMORY_USERPTR = 2,
86 V4L2_MEMORY_OVERLAY = 3,
89 /* see also http://vektor.theorem.ca/graphics/ycbcr/ */
90 enum v4l2_colorspace {
91 /* ITU-R 601 -- broadcast NTSC/PAL */
92 V4L2_COLORSPACE_SMPTE170M = 1,
94 /* 1125-Line (US) HDTV */
95 V4L2_COLORSPACE_SMPTE240M = 2,
97 /* HD and modern captures. */
98 V4L2_COLORSPACE_REC709 = 3,
100 /* broken BT878 extents (601, luma range 16-253 instead of 16-235) */
101 V4L2_COLORSPACE_BT878 = 4,
103 /* These should be useful. Assume 601 extents. */
104 V4L2_COLORSPACE_470_SYSTEM_M = 5,
105 V4L2_COLORSPACE_470_SYSTEM_BG = 6,
107 /* I know there will be cameras that send this. So, this is
108 * unspecified chromaticities and full 0-255 on each of the
111 V4L2_COLORSPACE_JPEG = 7,
113 /* For RGB colourspaces, this is probably a good start. */
114 V4L2_COLORSPACE_SRGB = 8,
118 V4L2_PRIORITY_UNSET = 0, /* not initialized */
119 V4L2_PRIORITY_BACKGROUND = 1,
120 V4L2_PRIORITY_INTERACTIVE = 2,
121 V4L2_PRIORITY_RECORD = 3,
122 V4L2_PRIORITY_DEFAULT = V4L2_PRIORITY_INTERACTIVE,
138 * D R I V E R C A P A B I L I T I E S
140 struct v4l2_capability
142 __u8 driver[16]; /* i.e. "bttv" */
143 __u8 card[32]; /* i.e. "Hauppauge WinTV" */
144 __u8 bus_info[32]; /* "PCI:" + pci_name(pci_dev) */
145 __u32 version; /* should use KERNEL_VERSION() */
146 __u32 capabilities; /* Device capabilities */
150 /* Values for 'capabilities' field */
151 #define V4L2_CAP_VIDEO_CAPTURE 0x00000001 /* Is a video capture device */
152 #define V4L2_CAP_VIDEO_OUTPUT 0x00000002 /* Is a video output device */
153 #define V4L2_CAP_VIDEO_OVERLAY 0x00000004 /* Can do video overlay */
154 #define V4L2_CAP_VBI_CAPTURE 0x00000010 /* Is a VBI capture device */
155 #define V4L2_CAP_VBI_OUTPUT 0x00000020 /* Is a VBI output device */
156 #define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */
158 #define V4L2_CAP_TUNER 0x00010000 /* has a tuner */
159 #define V4L2_CAP_AUDIO 0x00020000 /* has audio support */
160 #define V4L2_CAP_RADIO 0x00040000 /* is a radio device */
162 #define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
163 #define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */
164 #define V4L2_CAP_STREAMING 0x04000000 /* streaming I/O ioctls */
167 * V I D E O I M A G E F O R M A T
170 struct v4l2_pix_format
175 enum v4l2_field field;
176 __u32 bytesperline; /* for padding, zero if unused */
178 enum v4l2_colorspace colorspace;
179 __u32 priv; /* private data, depends on pixelformat */
182 /* Pixel format FOURCC depth Description */
183 #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R','G','B','1') /* 8 RGB-3-3-2 */
184 #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R','G','B','O') /* 16 RGB-5-5-5 */
185 #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R','G','B','P') /* 16 RGB-5-6-5 */
186 #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R','G','B','Q') /* 16 RGB-5-5-5 BE */
187 #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R','G','B','R') /* 16 RGB-5-6-5 BE */
188 #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B','G','R','3') /* 24 BGR-8-8-8 */
189 #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R','G','B','3') /* 24 RGB-8-8-8 */
190 #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B','G','R','4') /* 32 BGR-8-8-8-8 */
191 #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R','G','B','4') /* 32 RGB-8-8-8-8 */
192 #define V4L2_PIX_FMT_GREY v4l2_fourcc('G','R','E','Y') /* 8 Greyscale */
193 #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y','V','U','9') /* 9 YVU 4:1:0 */
194 #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y','V','1','2') /* 12 YVU 4:2:0 */
195 #define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y','U','Y','V') /* 16 YUV 4:2:2 */
196 #define V4L2_PIX_FMT_UYVY v4l2_fourcc('U','Y','V','Y') /* 16 YUV 4:2:2 */
197 #define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4','2','2','P') /* 16 YVU422 planar */
198 #define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4','1','1','P') /* 16 YVU411 planar */
199 #define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y','4','1','P') /* 12 YUV 4:1:1 */
201 /* two planes -- one Y, one Cr + Cb interleaved */
202 #define V4L2_PIX_FMT_NV12 v4l2_fourcc('N','V','1','2') /* 12 Y/CbCr 4:2:0 */
203 #define V4L2_PIX_FMT_NV21 v4l2_fourcc('N','V','2','1') /* 12 Y/CrCb 4:2:0 */
205 /* The following formats are not defined in the V4L2 specification */
206 #define V4L2_PIX_FMT_YUV410 v4l2_fourcc('Y','U','V','9') /* 9 YUV 4:1:0 */
207 #define V4L2_PIX_FMT_YUV420 v4l2_fourcc('Y','U','1','2') /* 12 YUV 4:2:0 */
208 #define V4L2_PIX_FMT_YYUV v4l2_fourcc('Y','Y','U','V') /* 16 YUV 4:2:2 */
209 #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H','I','2','4') /* 8 8-bit color */
211 /* see http://www.siliconimaging.com/RGB%20Bayer.htm */
212 #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B','A','8','1') /* 8 BGBG.. GRGR.. */
214 /* compressed formats */
215 #define V4L2_PIX_FMT_MJPEG v4l2_fourcc('M','J','P','G') /* Motion-JPEG */
216 #define V4L2_PIX_FMT_JPEG v4l2_fourcc('J','P','E','G') /* JFIF JPEG */
217 #define V4L2_PIX_FMT_DV v4l2_fourcc('d','v','s','d') /* 1394 */
218 #define V4L2_PIX_FMT_MPEG v4l2_fourcc('M','P','E','G') /* MPEG */
220 /* Vendor-specific formats */
221 #define V4L2_PIX_FMT_WNVA v4l2_fourcc('W','N','V','A') /* Winnov hw compress */
222 #define V4L2_PIX_FMT_SN9C10X v4l2_fourcc('S','9','1','0') /* SN9C10x compression */
225 * F O R M A T E N U M E R A T I O N
229 __u32 index; /* Format number */
230 enum v4l2_buf_type type; /* buffer type */
232 __u8 description[32]; /* Description string */
233 __u32 pixelformat; /* Format fourcc */
237 #define V4L2_FMT_FLAG_COMPRESSED 0x0001
255 #define V4L2_TC_TYPE_24FPS 1
256 #define V4L2_TC_TYPE_25FPS 2
257 #define V4L2_TC_TYPE_30FPS 3
258 #define V4L2_TC_TYPE_50FPS 4
259 #define V4L2_TC_TYPE_60FPS 5
262 #define V4L2_TC_FLAG_DROPFRAME 0x0001 /* "drop-frame" mode */
263 #define V4L2_TC_FLAG_COLORFRAME 0x0002
264 #define V4L2_TC_USERBITS_field 0x000C
265 #define V4L2_TC_USERBITS_USERDEFINED 0x0000
266 #define V4L2_TC_USERBITS_8BITCHARS 0x0008
267 /* The above is based on SMPTE timecodes */
271 * C O M P R E S S I O N P A R A M E T E R S
274 /* ### generic compression settings don't work, there is too much
275 * ### codec-specific stuff. Maybe reuse that for MPEG codec settings
277 struct v4l2_compression
284 /* what we'll need for MPEG, extracted from some postings on
285 the v4l list (Gert Vervoort, PlasmaJohn).
288 - type: elementary stream(ES), packatised elementary stream(s) (PES)
289 program stream(PS), transport stream(TS)
291 - PS packet size (DVD: 2048 bytes, VCD: 2324 bytes)
295 - TS system information tables (PAT, PMT, CAT, NIT and SIT)
296 - (MPEG-1 systems stream vs. MPEG-2 program stream (TS not supported
300 - type: MPEG (+Layer I,II,III), AC-3, LPCM
302 - sampling frequency (DVD: 48 Khz, VCD: 44.1 KHz, 32 kHz)
303 - Trick Modes? (ff, rew)
308 - picturesize (SIF, 1/2 D1, 2/3 D1, D1) and PAL/NTSC norm can be set
309 through excisting V4L2 controls
310 - noise reduction, parameters encoder specific?
311 - MPEG video version: MPEG-1, MPEG-2
312 - GOP (Group Of Pictures) definition:
313 - N: number of frames per GOP
314 - M: distance between reference (I,P) frames
316 - quantiser matrix: inter Q matrix (64 bytes) and intra Q matrix (64 bytes)
317 - quantiser scale: linear or logarithmic
318 - scanning: alternate or zigzag
319 - bitrate mode: CBR (constant bitrate) or VBR (variable bitrate).
320 - target video bitrate for CBR
321 - target video bitrate for VBR
322 - maximum video bitrate for VBR - min. quantiser value for VBR
323 - max. quantiser value for VBR
324 - adaptive quantisation value
325 - return the number of bytes per GOP or bitrate for bitrate monitoring
331 struct v4l2_jpegcompression
335 int APPn; /* Number of APP segment to be written,
337 int APP_len; /* Length of data in JPEG APPn segment */
338 char APP_data[60]; /* Data in the JPEG APPn segment. */
340 int COM_len; /* Length of data in JPEG COM segment */
341 char COM_data[60]; /* Data in JPEG COM segment */
343 __u32 jpeg_markers; /* Which markers should go into the JPEG
344 * output. Unless you exactly know what
345 * you do, leave them untouched.
346 * Inluding less markers will make the
347 * resulting code smaller, but there will
348 * be fewer aplications which can read it.
349 * The presence of the APP and COM marker
350 * is influenced by APP_len and COM_len
351 * ONLY, not by this property! */
353 #define V4L2_JPEG_MARKER_DHT (1<<3) /* Define Huffman Tables */
354 #define V4L2_JPEG_MARKER_DQT (1<<4) /* Define Quantization Tables */
355 #define V4L2_JPEG_MARKER_DRI (1<<5) /* Define Restart Interval */
356 #define V4L2_JPEG_MARKER_COM (1<<6) /* Comment segment */
357 #define V4L2_JPEG_MARKER_APP (1<<7) /* App segment, driver will
358 * allways use APP0 */
363 * M E M O R Y - M A P P I N G B U F F E R S
365 struct v4l2_requestbuffers
368 enum v4l2_buf_type type;
369 enum v4l2_memory memory;
376 enum v4l2_buf_type type;
379 enum v4l2_field field;
380 struct timeval timestamp;
381 struct v4l2_timecode timecode;
384 /* memory location */
385 enum v4l2_memory memory;
388 unsigned long userptr;
395 /* Flags for 'flags' field */
396 #define V4L2_BUF_FLAG_MAPPED 0x0001 /* Buffer is mapped (flag) */
397 #define V4L2_BUF_FLAG_QUEUED 0x0002 /* Buffer is queued for processing */
398 #define V4L2_BUF_FLAG_DONE 0x0004 /* Buffer is ready */
399 #define V4L2_BUF_FLAG_KEYFRAME 0x0008 /* Image is a keyframe (I-frame) */
400 #define V4L2_BUF_FLAG_PFRAME 0x0010 /* Image is a P-frame */
401 #define V4L2_BUF_FLAG_BFRAME 0x0020 /* Image is a B-frame */
402 #define V4L2_BUF_FLAG_TIMECODE 0x0100 /* timecode field is valid */
403 #define V4L2_BUF_FLAG_INPUT 0x0200 /* input field is valid */
406 * O V E R L A Y P R E V I E W
408 struct v4l2_framebuffer
412 /* FIXME: in theory we should pass something like PCI device + memory
413 * region + offset instead of some physical address */
415 struct v4l2_pix_format fmt;
417 /* Flags for the 'capability' field. Read only */
418 #define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
419 #define V4L2_FBUF_CAP_CHROMAKEY 0x0002
420 #define V4L2_FBUF_CAP_LIST_CLIPPING 0x0004
421 #define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008
422 /* Flags for the 'flags' field. */
423 #define V4L2_FBUF_FLAG_PRIMARY 0x0001
424 #define V4L2_FBUF_FLAG_OVERLAY 0x0002
425 #define V4L2_FBUF_FLAG_CHROMAKEY 0x0004
430 struct v4l2_clip *next;
436 enum v4l2_field field;
438 struct v4l2_clip __user *clips;
445 * C A P T U R E P A R A M E T E R S
447 struct v4l2_captureparm
449 __u32 capability; /* Supported modes */
450 __u32 capturemode; /* Current mode */
451 struct v4l2_fract timeperframe; /* Time per frame in .1us units */
452 __u32 extendedmode; /* Driver-specific extensions */
453 __u32 readbuffers; /* # of buffers for read */
456 /* Flags for 'capability' and 'capturemode' fields */
457 #define V4L2_MODE_HIGHQUALITY 0x0001 /* High quality imaging mode */
458 #define V4L2_CAP_TIMEPERFRAME 0x1000 /* timeperframe field is supported */
460 struct v4l2_outputparm
462 __u32 capability; /* Supported modes */
463 __u32 outputmode; /* Current mode */
464 struct v4l2_fract timeperframe; /* Time per frame in seconds */
465 __u32 extendedmode; /* Driver-specific extensions */
466 __u32 writebuffers; /* # of buffers for write */
471 * I N P U T I M A G E C R O P P I N G
474 struct v4l2_cropcap {
475 enum v4l2_buf_type type;
476 struct v4l2_rect bounds;
477 struct v4l2_rect defrect;
478 struct v4l2_fract pixelaspect;
482 enum v4l2_buf_type type;
487 * A N A L O G V I D E O S T A N D A R D
490 typedef __u64 v4l2_std_id;
492 /* one bit for each */
493 #define V4L2_STD_PAL_B ((v4l2_std_id)0x00000001)
494 #define V4L2_STD_PAL_B1 ((v4l2_std_id)0x00000002)
495 #define V4L2_STD_PAL_G ((v4l2_std_id)0x00000004)
496 #define V4L2_STD_PAL_H ((v4l2_std_id)0x00000008)
497 #define V4L2_STD_PAL_I ((v4l2_std_id)0x00000010)
498 #define V4L2_STD_PAL_D ((v4l2_std_id)0x00000020)
499 #define V4L2_STD_PAL_D1 ((v4l2_std_id)0x00000040)
500 #define V4L2_STD_PAL_K ((v4l2_std_id)0x00000080)
502 #define V4L2_STD_PAL_M ((v4l2_std_id)0x00000100)
503 #define V4L2_STD_PAL_N ((v4l2_std_id)0x00000200)
504 #define V4L2_STD_PAL_Nc ((v4l2_std_id)0x00000400)
505 #define V4L2_STD_PAL_60 ((v4l2_std_id)0x00000800)
507 #define V4L2_STD_NTSC_M ((v4l2_std_id)0x00001000)
508 #define V4L2_STD_NTSC_M_JP ((v4l2_std_id)0x00002000)
510 #define V4L2_STD_SECAM_B ((v4l2_std_id)0x00010000)
511 #define V4L2_STD_SECAM_D ((v4l2_std_id)0x00020000)
512 #define V4L2_STD_SECAM_G ((v4l2_std_id)0x00040000)
513 #define V4L2_STD_SECAM_H ((v4l2_std_id)0x00080000)
514 #define V4L2_STD_SECAM_K ((v4l2_std_id)0x00100000)
515 #define V4L2_STD_SECAM_K1 ((v4l2_std_id)0x00200000)
516 #define V4L2_STD_SECAM_L ((v4l2_std_id)0x00400000)
519 #define V4L2_STD_ATSC_8_VSB ((v4l2_std_id)0x01000000)
520 #define V4L2_STD_ATSC_16_VSB ((v4l2_std_id)0x02000000)
522 /* some common needed stuff */
523 #define V4L2_STD_PAL_BG (V4L2_STD_PAL_B |\
526 #define V4L2_STD_PAL_DK (V4L2_STD_PAL_D |\
529 #define V4L2_STD_PAL (V4L2_STD_PAL_BG |\
533 #define V4L2_STD_NTSC (V4L2_STD_NTSC_M |\
535 #define V4L2_STD_SECAM_DK (V4L2_STD_SECAM_D |\
538 #define V4L2_STD_SECAM (V4L2_STD_SECAM_B |\
544 #define V4L2_STD_525_60 (V4L2_STD_PAL_M |\
547 #define V4L2_STD_625_50 (V4L2_STD_PAL |\
551 #define V4L2_STD_ATSC (V4L2_STD_ATSC_8_VSB |\
552 V4L2_STD_ATSC_16_VSB)
554 #define V4L2_STD_UNKNOWN 0
555 #define V4L2_STD_ALL (V4L2_STD_525_60 |\
563 struct v4l2_fract frameperiod; /* Frames, not fields */
570 * V I D E O I N P U T S
574 __u32 index; /* Which input */
575 __u8 name[32]; /* Label */
576 __u32 type; /* Type of input */
577 __u32 audioset; /* Associated audios (bitfield) */
578 __u32 tuner; /* Associated tuner */
583 /* Values for the 'type' field */
584 #define V4L2_INPUT_TYPE_TUNER 1
585 #define V4L2_INPUT_TYPE_CAMERA 2
587 /* field 'status' - general */
588 #define V4L2_IN_ST_NO_POWER 0x00000001 /* Attached device is off */
589 #define V4L2_IN_ST_NO_SIGNAL 0x00000002
590 #define V4L2_IN_ST_NO_COLOR 0x00000004
592 /* field 'status' - analog */
593 #define V4L2_IN_ST_NO_H_LOCK 0x00000100 /* No horizontal sync lock */
594 #define V4L2_IN_ST_COLOR_KILL 0x00000200 /* Color killer is active */
596 /* field 'status' - digital */
597 #define V4L2_IN_ST_NO_SYNC 0x00010000 /* No synchronization lock */
598 #define V4L2_IN_ST_NO_EQU 0x00020000 /* No equalizer lock */
599 #define V4L2_IN_ST_NO_CARRIER 0x00040000 /* Carrier recovery failed */
601 /* field 'status' - VCR and set-top box */
602 #define V4L2_IN_ST_MACROVISION 0x01000000 /* Macrovision detected */
603 #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */
604 #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */
607 * V I D E O O U T P U T S
611 __u32 index; /* Which output */
612 __u8 name[32]; /* Label */
613 __u32 type; /* Type of output */
614 __u32 audioset; /* Associated audios (bitfield) */
615 __u32 modulator; /* Associated modulator */
619 /* Values for the 'type' field */
620 #define V4L2_OUTPUT_TYPE_MODULATOR 1
621 #define V4L2_OUTPUT_TYPE_ANALOG 2
622 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3
633 /* Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
634 struct v4l2_queryctrl
637 enum v4l2_ctrl_type type;
638 __u8 name[32]; /* Whatever */
639 __s32 minimum; /* Note signedness */
647 /* Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
648 struct v4l2_querymenu
652 __u8 name[32]; /* Whatever */
657 #define V4L2_CTRL_FLAG_DISABLED 0x0001
658 #define V4L2_CTRL_FLAG_GRABBED 0x0002
660 /* Control IDs defined by V4L2 */
661 #define V4L2_CID_BASE 0x00980900
662 /* IDs reserved for driver specific controls */
663 #define V4L2_CID_PRIVATE_BASE 0x08000000
665 #define V4L2_CID_BRIGHTNESS (V4L2_CID_BASE+0)
666 #define V4L2_CID_CONTRAST (V4L2_CID_BASE+1)
667 #define V4L2_CID_SATURATION (V4L2_CID_BASE+2)
668 #define V4L2_CID_HUE (V4L2_CID_BASE+3)
669 #define V4L2_CID_AUDIO_VOLUME (V4L2_CID_BASE+5)
670 #define V4L2_CID_AUDIO_BALANCE (V4L2_CID_BASE+6)
671 #define V4L2_CID_AUDIO_BASS (V4L2_CID_BASE+7)
672 #define V4L2_CID_AUDIO_TREBLE (V4L2_CID_BASE+8)
673 #define V4L2_CID_AUDIO_MUTE (V4L2_CID_BASE+9)
674 #define V4L2_CID_AUDIO_LOUDNESS (V4L2_CID_BASE+10)
675 #define V4L2_CID_BLACK_LEVEL (V4L2_CID_BASE+11)
676 #define V4L2_CID_AUTO_WHITE_BALANCE (V4L2_CID_BASE+12)
677 #define V4L2_CID_DO_WHITE_BALANCE (V4L2_CID_BASE+13)
678 #define V4L2_CID_RED_BALANCE (V4L2_CID_BASE+14)
679 #define V4L2_CID_BLUE_BALANCE (V4L2_CID_BASE+15)
680 #define V4L2_CID_GAMMA (V4L2_CID_BASE+16)
681 #define V4L2_CID_WHITENESS (V4L2_CID_GAMMA) /* ? Not sure */
682 #define V4L2_CID_EXPOSURE (V4L2_CID_BASE+17)
683 #define V4L2_CID_AUTOGAIN (V4L2_CID_BASE+18)
684 #define V4L2_CID_GAIN (V4L2_CID_BASE+19)
685 #define V4L2_CID_HFLIP (V4L2_CID_BASE+20)
686 #define V4L2_CID_VFLIP (V4L2_CID_BASE+21)
687 #define V4L2_CID_HCENTER (V4L2_CID_BASE+22)
688 #define V4L2_CID_VCENTER (V4L2_CID_BASE+23)
689 #define V4L2_CID_LASTP1 (V4L2_CID_BASE+24) /* last CID + 1 */
698 enum v4l2_tuner_type type;
709 struct v4l2_modulator
720 /* Flags for the 'capability' field */
721 #define V4L2_TUNER_CAP_LOW 0x0001
722 #define V4L2_TUNER_CAP_NORM 0x0002
723 #define V4L2_TUNER_CAP_STEREO 0x0010
724 #define V4L2_TUNER_CAP_LANG2 0x0020
725 #define V4L2_TUNER_CAP_SAP 0x0020
726 #define V4L2_TUNER_CAP_LANG1 0x0040
728 /* Flags for the 'rxsubchans' field */
729 #define V4L2_TUNER_SUB_MONO 0x0001
730 #define V4L2_TUNER_SUB_STEREO 0x0002
731 #define V4L2_TUNER_SUB_LANG2 0x0004
732 #define V4L2_TUNER_SUB_SAP 0x0004
733 #define V4L2_TUNER_SUB_LANG1 0x0008
735 /* Values for the 'audmode' field */
736 #define V4L2_TUNER_MODE_MONO 0x0000
737 #define V4L2_TUNER_MODE_STEREO 0x0001
738 #define V4L2_TUNER_MODE_LANG2 0x0002
739 #define V4L2_TUNER_MODE_SAP 0x0002
740 #define V4L2_TUNER_MODE_LANG1 0x0003
742 struct v4l2_frequency
745 enum v4l2_tuner_type type;
761 /* Flags for the 'capability' field */
762 #define V4L2_AUDCAP_STEREO 0x00001
763 #define V4L2_AUDCAP_AVL 0x00002
765 /* Flags for the 'mode' field */
766 #define V4L2_AUDMODE_AVL 0x00001
778 * D A T A S E R V I C E S ( V B I )
780 * Data services API by Michael Schimek
783 struct v4l2_vbi_format
785 __u32 sampling_rate; /* in 1 Hz */
787 __u32 samples_per_line;
788 __u32 sample_format; /* V4L2_PIX_FMT_* */
791 __u32 flags; /* V4L2_VBI_* */
792 __u32 reserved[2]; /* must be zero */
796 #define V4L2_VBI_UNSYNC (1<< 0)
797 #define V4L2_VBI_INTERLACED (1<< 1)
801 * A G G R E G A T E S T R U C T U R E S
804 /* Stream data format
808 enum v4l2_buf_type type;
811 struct v4l2_pix_format pix; // V4L2_BUF_TYPE_VIDEO_CAPTURE
812 struct v4l2_window win; // V4L2_BUF_TYPE_VIDEO_OVERLAY
813 struct v4l2_vbi_format vbi; // V4L2_BUF_TYPE_VBI_CAPTURE
814 __u8 raw_data[200]; // user-defined
819 /* Stream type-dependent parameters
821 struct v4l2_streamparm
823 enum v4l2_buf_type type;
826 struct v4l2_captureparm capture;
827 struct v4l2_outputparm output;
828 __u8 raw_data[200]; /* user-defined */
835 * 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
838 #define VIDIOC_QUERYCAP _IOR ('V', 0, struct v4l2_capability)
839 #define VIDIOC_RESERVED _IO ('V', 1)
840 #define VIDIOC_ENUM_FMT _IOWR ('V', 2, struct v4l2_fmtdesc)
841 #define VIDIOC_G_FMT _IOWR ('V', 4, struct v4l2_format)
842 #define VIDIOC_S_FMT _IOWR ('V', 5, struct v4l2_format)
844 #define VIDIOC_G_COMP _IOR ('V', 6, struct v4l2_compression)
845 #define VIDIOC_S_COMP _IOW ('V', 7, struct v4l2_compression)
847 #define VIDIOC_REQBUFS _IOWR ('V', 8, struct v4l2_requestbuffers)
848 #define VIDIOC_QUERYBUF _IOWR ('V', 9, struct v4l2_buffer)
849 #define VIDIOC_G_FBUF _IOR ('V', 10, struct v4l2_framebuffer)
850 #define VIDIOC_S_FBUF _IOW ('V', 11, struct v4l2_framebuffer)
851 #define VIDIOC_OVERLAY _IOW ('V', 14, int)
852 #define VIDIOC_QBUF _IOWR ('V', 15, struct v4l2_buffer)
853 #define VIDIOC_DQBUF _IOWR ('V', 17, struct v4l2_buffer)
854 #define VIDIOC_STREAMON _IOW ('V', 18, int)
855 #define VIDIOC_STREAMOFF _IOW ('V', 19, int)
856 #define VIDIOC_G_PARM _IOWR ('V', 21, struct v4l2_streamparm)
857 #define VIDIOC_S_PARM _IOWR ('V', 22, struct v4l2_streamparm)
858 #define VIDIOC_G_STD _IOR ('V', 23, v4l2_std_id)
859 #define VIDIOC_S_STD _IOW ('V', 24, v4l2_std_id)
860 #define VIDIOC_ENUMSTD _IOWR ('V', 25, struct v4l2_standard)
861 #define VIDIOC_ENUMINPUT _IOWR ('V', 26, struct v4l2_input)
862 #define VIDIOC_G_CTRL _IOWR ('V', 27, struct v4l2_control)
863 #define VIDIOC_S_CTRL _IOWR ('V', 28, struct v4l2_control)
864 #define VIDIOC_G_TUNER _IOWR ('V', 29, struct v4l2_tuner)
865 #define VIDIOC_S_TUNER _IOW ('V', 30, struct v4l2_tuner)
866 #define VIDIOC_G_AUDIO _IOR ('V', 33, struct v4l2_audio)
867 #define VIDIOC_S_AUDIO _IOW ('V', 34, struct v4l2_audio)
868 #define VIDIOC_QUERYCTRL _IOWR ('V', 36, struct v4l2_queryctrl)
869 #define VIDIOC_QUERYMENU _IOWR ('V', 37, struct v4l2_querymenu)
870 #define VIDIOC_G_INPUT _IOR ('V', 38, int)
871 #define VIDIOC_S_INPUT _IOWR ('V', 39, int)
872 #define VIDIOC_G_OUTPUT _IOR ('V', 46, int)
873 #define VIDIOC_S_OUTPUT _IOWR ('V', 47, int)
874 #define VIDIOC_ENUMOUTPUT _IOWR ('V', 48, struct v4l2_output)
875 #define VIDIOC_G_AUDOUT _IOR ('V', 49, struct v4l2_audioout)
876 #define VIDIOC_S_AUDOUT _IOW ('V', 50, struct v4l2_audioout)
877 #define VIDIOC_G_MODULATOR _IOWR ('V', 54, struct v4l2_modulator)
878 #define VIDIOC_S_MODULATOR _IOW ('V', 55, struct v4l2_modulator)
879 #define VIDIOC_G_FREQUENCY _IOWR ('V', 56, struct v4l2_frequency)
880 #define VIDIOC_S_FREQUENCY _IOW ('V', 57, struct v4l2_frequency)
881 #define VIDIOC_CROPCAP _IOWR ('V', 58, struct v4l2_cropcap)
882 #define VIDIOC_G_CROP _IOWR ('V', 59, struct v4l2_crop)
883 #define VIDIOC_S_CROP _IOW ('V', 60, struct v4l2_crop)
884 #define VIDIOC_G_JPEGCOMP _IOR ('V', 61, struct v4l2_jpegcompression)
885 #define VIDIOC_S_JPEGCOMP _IOW ('V', 62, struct v4l2_jpegcompression)
886 #define VIDIOC_QUERYSTD _IOR ('V', 63, v4l2_std_id)
887 #define VIDIOC_TRY_FMT _IOWR ('V', 64, struct v4l2_format)
888 #define VIDIOC_ENUMAUDIO _IOWR ('V', 65, struct v4l2_audio)
889 #define VIDIOC_ENUMAUDOUT _IOWR ('V', 66, struct v4l2_audioout)
890 #define VIDIOC_G_PRIORITY _IOR ('V', 67, enum v4l2_priority)
891 #define VIDIOC_S_PRIORITY _IOW ('V', 68, enum v4l2_priority)
893 /* for compatibility, will go away some day */
894 #define VIDIOC_OVERLAY_OLD _IOWR ('V', 14, int)
895 #define VIDIOC_S_PARM_OLD _IOW ('V', 22, struct v4l2_streamparm)
896 #define VIDIOC_S_CTRL_OLD _IOW ('V', 28, struct v4l2_control)
897 #define VIDIOC_G_AUDIO_OLD _IOWR ('V', 33, struct v4l2_audio)
898 #define VIDIOC_G_AUDOUT_OLD _IOWR ('V', 49, struct v4l2_audioout)
899 #define VIDIOC_CROPCAP_OLD _IOR ('V', 58, struct v4l2_cropcap)
901 #define BASE_VIDIOC_PRIVATE 192 /* 192-255 are private */
907 * V 4 L 2 D R I V E R H E L P E R A P I
909 * Some commonly needed functions for drivers (v4l2-common.o module)
911 #include <linux/fs.h>
913 /* Video standard functions */
914 extern unsigned int v4l2_video_std_fps(struct v4l2_standard *vs);
915 extern int v4l2_video_std_construct(struct v4l2_standard *vs,
918 /* prority handling */
919 struct v4l2_prio_state {
922 int v4l2_prio_init(struct v4l2_prio_state *global);
923 int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local,
924 enum v4l2_priority new);
925 int v4l2_prio_open(struct v4l2_prio_state *global, enum v4l2_priority *local);
926 int v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority *local);
927 enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global);
928 int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local);
930 /* names for fancy debug output */
931 extern char *v4l2_field_names[];
932 extern char *v4l2_type_names[];
933 extern char *v4l2_ioctl_names[];
935 /* Compatibility layer interface -- v4l1-compat module */
936 typedef int (*v4l2_kioctl)(struct inode *inode, struct file *file,
937 unsigned int cmd, void *arg);
938 int v4l_compat_translate_ioctl(struct inode *inode, struct file *file,
939 int cmd, void *arg, v4l2_kioctl driver_ioctl);
941 #endif /* __KERNEL__ */
942 #endif /* __LINUX_VIDEODEV2_H */