videodev2.h

V4l driver for DVB HD

#define V4L2_CID_SATURATION		(V4L2_CID_BASE+2)
#define V4L2_CID_HUE			(V4L2_CID_BASE+3)
#define V4L2_CID_AUDIO_VOLUME		(V4L2_CID_BASE+5)
#define V4L2_CID_AUDIO_BALANCE		(V4L2_CID_BASE+6)
#define V4L2_CID_AUDIO_BASS		(V4L2_CID_BASE+7)
#define V4L2_CID_AUDIO_TREBLE		(V4L2_CID_BASE+8)
#define V4L2_CID_AUDIO_MUTE		(V4L2_CID_BASE+9)
#define V4L2_CID_AUDIO_LOUDNESS		(V4L2_CID_BASE+10)
#define V4L2_CID_BLACK_LEVEL		(V4L2_CID_BASE+11)
#define V4L2_CID_AUTO_WHITE_BALANCE	(V4L2_CID_BASE+12)
#define V4L2_CID_DO_WHITE_BALANCE	(V4L2_CID_BASE+13)
#define V4L2_CID_RED_BALANCE		(V4L2_CID_BASE+14)
#define V4L2_CID_BLUE_BALANCE		(V4L2_CID_BASE+15)
#define V4L2_CID_GAMMA			(V4L2_CID_BASE+16)
#define V4L2_CID_WHITENESS		(V4L2_CID_GAMMA) /* ? Not sure */
#define V4L2_CID_EXPOSURE		(V4L2_CID_BASE+17)
#define V4L2_CID_AUTOGAIN		(V4L2_CID_BASE+18)
#define V4L2_CID_GAIN			(V4L2_CID_BASE+19)
#define V4L2_CID_HFLIP			(V4L2_CID_BASE+20)
#define V4L2_CID_VFLIP			(V4L2_CID_BASE+21)
#define V4L2_CID_HCENTER		(V4L2_CID_BASE+22)
#define V4L2_CID_VCENTER		(V4L2_CID_BASE+23)
#define V4L2_CID_LASTP1			(V4L2_CID_BASE+24) /* last CID + 1 */

/*
 *	T U N I N G
 */
struct v4l2_tuner
{
	__u32                   index;
	__u8			name[32];
	enum v4l2_tuner_type    type;
	__u32			capability;
	__u32			rangelow;
	__u32			rangehigh;
	__u32			rxsubchans;
	__u32			audmode;
	__s32			signal;
	__s32			afc;
	__u32			reserved[4];
};

struct v4l2_modulator
{
	__u32			index;
	__u8			name[32];
	__u32			capability;
	__u32			rangelow;
	__u32			rangehigh;
	__u32			txsubchans;
	__u32			reserved[4];
};

/*  Flags for the 'capability' field */
#define V4L2_TUNER_CAP_LOW		0x0001
#define V4L2_TUNER_CAP_NORM		0x0002
#define V4L2_TUNER_CAP_STEREO		0x0010
#define V4L2_TUNER_CAP_LANG2		0x0020
#define V4L2_TUNER_CAP_SAP		0x0020
#define V4L2_TUNER_CAP_LANG1		0x0040

/*  Flags for the 'rxsubchans' field */
#define V4L2_TUNER_SUB_MONO		0x0001
#define V4L2_TUNER_SUB_STEREO		0x0002
#define V4L2_TUNER_SUB_LANG2		0x0004
#define V4L2_TUNER_SUB_SAP		0x0004
#define V4L2_TUNER_SUB_LANG1		0x0008

/*  Values for the 'audmode' field */
#define V4L2_TUNER_MODE_MONO		0x0000
#define V4L2_TUNER_MODE_STEREO		0x0001
#define V4L2_TUNER_MODE_LANG2		0x0002
#define V4L2_TUNER_MODE_SAP		0x0002
#define V4L2_TUNER_MODE_LANG1		0x0003
#define V4L2_TUNER_MODE_LANG1_LANG2	0x0004

struct v4l2_frequency
{
	__u32		      tuner;
	enum v4l2_tuner_type  type;
	__u32		      frequency;
	__u32		      reserved[8];
};

/*
 *	A U D I O
 */
struct v4l2_audio
{
	__u32	index;
	__u8	name[32];
	__u32	capability;
	__u32	mode;
	__u32	reserved[2];
};
/*  Flags for the 'capability' field */
#define V4L2_AUDCAP_STEREO		0x00001
#define V4L2_AUDCAP_AVL			0x00002

/*  Flags for the 'mode' field */
#define V4L2_AUDMODE_AVL		0x00001

struct v4l2_audioout
{
	__u32	index;
	__u8	name[32];
	__u32	capability;
	__u32	mode;
	__u32	reserved[2];
};

/*
 *	D A T A   S E R V I C E S   ( V B I )
 *
 *	Data services API by Michael Schimek
 */

/* Raw VBI */

struct v4l2_vbi_format
{
	__u32	sampling_rate;		/* in 1 Hz */
	__u32	offset;
	__u32	samples_per_line;
	__u32	sample_format;		/* V4L2_PIX_FMT_* */
	__s32	start[2];
	__u32	count[2];
	__u32	flags;			/* V4L2_VBI_* */
	__u32	reserved[2];		/* must be zero */
};

/*  VBI flags  */
#define V4L2_VBI_UNSYNC		(1<< 0)
#define V4L2_VBI_INTERLACED	(1<< 1)

#if 1 /*KEEP*/
/* Sliced VBI
 *
 *    This implements is a proposal V4L2 API to allow SLICED VBI
 * required for some hardware encoders. It should change without
 * notice in the definitive implementation.
 */

struct v4l2_sliced_vbi_format
{
	__u16   service_set;
	/* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
	   service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
				 (equals frame lines 313-336 for 625 line video
				  standards, 263-286 for 525 line standards) */
	__u16   service_lines[2][24];
	__u32   io_size;
	__u32   reserved[2];            /* must be zero */
};

/* Teletext World System Teletext
   (WST), defined on ITU-R BT.653-2 */
#define V4L2_SLICED_TELETEXT_B          (0x0001)
/* Video Program System, defined on ETS 300 231*/
#define V4L2_SLICED_VPS                 (0x0400)
/* Closed Caption, defined on EIA-608 */
#define V4L2_SLICED_CAPTION_525         (0x1000)
/* Wide Screen System, defined on ITU-R BT1119.1 */
#define V4L2_SLICED_WSS_625             (0x4000)

#define V4L2_SLICED_VBI_525             (V4L2_SLICED_CAPTION_525)
#define V4L2_SLICED_VBI_625             (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)

#if 0
/* FIXME: Currently unused defines, needs to be discussed further */

/* Teletext World System Teletext
   (WST), defined on ITU-R BT.653-2 */
#define V4L2_SLICED_TELETEXT_PAL_B      (0x000001)
#define V4L2_SLICED_TELETEXT_PAL_C      (0x000002)
#define V4L2_SLICED_TELETEXT_NTSC_B     (0x000010)
#define V4L2_SLICED_TELETEXT_SECAM      (0x000020)

/* Teletext North American Broadcast Teletext Specification
   (NABTS), defined on ITU-R BT.653-2 */
#define V4L2_SLICED_TELETEXT_NTSC_C     (0x000040)
#define V4L2_SLICED_TELETEXT_NTSC_D     (0x000080)

/* Video Program System, defined on ETS 300 231*/
#define V4L2_SLICED_VPS                 (0x000400)

/* Closed Caption, defined on EIA-608 */
#define V4L2_SLICED_CAPTION_525         (0x001000)
#define V4L2_SLICED_CAPTION_625         (0x002000)

/* Wide Screen System, defined on ITU-R BT1119.1 */
#define V4L2_SLICED_WSS_625             (0x004000)

/* Wide Screen System, defined on IEC 61880 */
#define V4L2_SLICED_WSS_525             (0x008000)

/* Vertical Interval Timecode (VITC), defined on SMPTE 12M */
#define V4l2_SLICED_VITC_625		(0x010000)
#define V4l2_SLICED_VITC_525		(0x020000)

#define V4L2_SLICED_TELETEXT_B		(V4L2_SLICED_TELETEXT_PAL_B  |\
					 V4L2_SLICED_TELETEXT_NTSC_B)

#define V4L2_SLICED_TELETEXT		(V4L2_SLICED_TELETEXT_PAL_B  |\
					 V4L2_SLICED_TELETEXT_PAL_C  |\
					 V4L2_SLICED_TELETEXT_SECAM  |\
					 V4L2_SLICED_TELETEXT_NTSC_B |\
					 V4L2_SLICED_TELETEXT_NTSC_C |\
					 V4L2_SLICED_TELETEXT_NTSC_D)

#define V4L2_SLICED_CAPTION		(V4L2_SLICED_CAPTION_525     |\
					 V4L2_SLICED_CAPTION_625)

#define V4L2_SLICED_WSS			(V4L2_SLICED_WSS_525         |\
					 V4L2_SLICED_WSS_625)

#define V4L2_SLICED_VITC		(V4L2_SLICED_VITC_525        |\
					 V4L2_SLICED_VITC_625)

#define V4L2_SLICED_VBI_525             (V4L2_SLICED_TELETEXT_NTSC_B |\
					 V4L2_SLICED_TELETEXT_NTSC_C |\
					 V4L2_SLICED_TELETEXT_NTSC_D |\
					 V4L2_SLICED_CAPTION_525     |\
					 V4L2_SLICED_WSS_525         |\
					 V4l2_SLICED_VITC_525)

#define V4L2_SLICED_VBI_625             (V4L2_SLICED_TELETEXT_PAL_B  |\
					 V4L2_SLICED_TELETEXT_PAL_C  |\
					 V4L2_SLICED_TELETEXT_SECAM  |\
					 V4L2_SLICED_VPS             |\
					 V4L2_SLICED_CAPTION_625     |\
					 V4L2_SLICED_WSS_625         |\
					 V4l2_SLICED_VITC_625)
#endif

struct v4l2_sliced_vbi_cap
{
	__u16   service_set;
	/* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
	   service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
				 (equals frame lines 313-336 for 625 line video
				  standards, 263-286 for 525 line standards) */
	__u16   service_lines[2][24];
	__u32   reserved[4];    /* must be 0 */
};

struct v4l2_sliced_vbi_data
{
	__u32   id;
	__u32   field;          /* 0: first field, 1: second field */
	__u32   line;           /* 1-23 */
	__u32   reserved;       /* must be 0 */
	__u8    data[48];
};
#endif

/*
 *	A G G R E G A T E   S T R U C T U R E S
 */

/*	Stream data format
 */
struct v4l2_format
{
	enum v4l2_buf_type type;
	union
	{
		struct v4l2_pix_format		pix;     // V4L2_BUF_TYPE_VIDEO_CAPTURE
		struct v4l2_window		win;     // V4L2_BUF_TYPE_VIDEO_OVERLAY
		struct v4l2_vbi_format		vbi;     // V4L2_BUF_TYPE_VBI_CAPTURE
#if 1 /*KEEP*/
		struct v4l2_sliced_vbi_format	sliced;  // V4L2_BUF_TYPE_SLICED_VBI_CAPTURE
#endif
		__u8	raw_data[200];                   // user-defined
	} fmt;
};


/*	Stream type-dependent parameters
 */
struct v4l2_streamparm
{
	enum v4l2_buf_type type;
	union
	{
		struct v4l2_captureparm	capture;
		struct v4l2_outputparm	output;
		__u8	raw_data[200];  /* user-defined */
	} parm;
};



/*
 *	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
 *
 */
#define VIDIOC_QUERYCAP		_IOR  ('V',  0, struct v4l2_capability)
#define VIDIOC_RESERVED		_IO   ('V',  1)
#define VIDIOC_ENUM_FMT         _IOWR ('V',  2, struct v4l2_fmtdesc)
#define VIDIOC_G_FMT		_IOWR ('V',  4, struct v4l2_format)
#define VIDIOC_S_FMT		_IOWR ('V',  5, struct v4l2_format)
#if 1 /* experimental */
#define VIDIOC_G_MPEGCOMP       _IOR  ('V',  6, struct v4l2_mpeg_compression)
#define VIDIOC_S_MPEGCOMP     	_IOW  ('V',  7, struct v4l2_mpeg_compression)
#endif
#define VIDIOC_REQBUFS		_IOWR ('V',  8, struct v4l2_requestbuffers)
#define VIDIOC_QUERYBUF		_IOWR ('V',  9, struct v4l2_buffer)
#define VIDIOC_G_FBUF		_IOR  ('V', 10, struct v4l2_framebuffer)
#define VIDIOC_S_FBUF		_IOW  ('V', 11, struct v4l2_framebuffer)
#define VIDIOC_OVERLAY		_IOW  ('V', 14, int)
#define VIDIOC_QBUF		_IOWR ('V', 15, struct v4l2_buffer)
#define VIDIOC_DQBUF		_IOWR ('V', 17, struct v4l2_buffer)
#define VIDIOC_STREAMON		_IOW  ('V', 18, int)
#define VIDIOC_STREAMOFF	_IOW  ('V', 19, int)
#define VIDIOC_G_PARM		_IOWR ('V', 21, struct v4l2_streamparm)
#define VIDIOC_S_PARM		_IOWR ('V', 22, struct v4l2_streamparm)
#define VIDIOC_G_STD		_IOR  ('V', 23, v4l2_std_id)
#define VIDIOC_S_STD		_IOW  ('V', 24, v4l2_std_id)
#define VIDIOC_ENUMSTD		_IOWR ('V', 25, struct v4l2_standard)
#define VIDIOC_ENUMINPUT	_IOWR ('V', 26, struct v4l2_input)
#define VIDIOC_G_CTRL		_IOWR ('V', 27, struct v4l2_control)
#define VIDIOC_S_CTRL		_IOWR ('V', 28, struct v4l2_control)
#define VIDIOC_G_TUNER		_IOWR ('V', 29, struct v4l2_tuner)
#define VIDIOC_S_TUNER		_IOW  ('V', 30, struct v4l2_tuner)
#define VIDIOC_G_AUDIO		_IOR  ('V', 33, struct v4l2_audio)
#define VIDIOC_S_AUDIO		_IOW  ('V', 34, struct v4l2_audio)
#define VIDIOC_QUERYCTRL	_IOWR ('V', 36, struct v4l2_queryctrl)
#define VIDIOC_QUERYMENU	_IOWR ('V', 37, struct v4l2_querymenu)
#define VIDIOC_G_INPUT		_IOR  ('V', 38, int)
#define VIDIOC_S_INPUT		_IOWR ('V', 39, int)
#define VIDIOC_G_OUTPUT		_IOR  ('V', 46, int)
#define VIDIOC_S_OUTPUT		_IOWR ('V', 47, int)
#define VIDIOC_ENUMOUTPUT	_IOWR ('V', 48, struct v4l2_output)
#define VIDIOC_G_AUDOUT		_IOR  ('V', 49, struct v4l2_audioout)
#define VIDIOC_S_AUDOUT		_IOW  ('V', 50, struct v4l2_audioout)
#define VIDIOC_G_MODULATOR	_IOWR ('V', 54, struct v4l2_modulator)
#define VIDIOC_S_MODULATOR	_IOW  ('V', 55, struct v4l2_modulator)
#define VIDIOC_G_FREQUENCY	_IOWR ('V', 56, struct v4l2_frequency)
#define VIDIOC_S_FREQUENCY	_IOW  ('V', 57, struct v4l2_frequency)
#define VIDIOC_CROPCAP		_IOWR ('V', 58, struct v4l2_cropcap)
#define VIDIOC_G_CROP		_IOWR ('V', 59, struct v4l2_crop)
#define VIDIOC_S_CROP		_IOW  ('V', 60, struct v4l2_crop)
#define VIDIOC_G_JPEGCOMP	_IOR  ('V', 61, struct v4l2_jpegcompression)
#define VIDIOC_S_JPEGCOMP	_IOW  ('V', 62, struct v4l2_jpegcompression)
#define VIDIOC_QUERYSTD      	_IOR  ('V', 63, v4l2_std_id)
#define VIDIOC_TRY_FMT      	_IOWR ('V', 64, struct v4l2_format)
#define VIDIOC_ENUMAUDIO	_IOWR ('V', 65, struct v4l2_audio)
#define VIDIOC_ENUMAUDOUT	_IOWR ('V', 66, struct v4l2_audioout)
#define VIDIOC_G_PRIORITY       _IOR  ('V', 67, enum v4l2_priority)
#define VIDIOC_S_PRIORITY       _IOW  ('V', 68, enum v4l2_priority)
#if 1 /*KEEP*/
#define VIDIOC_G_SLICED_VBI_CAP _IOR  ('V', 69, struct v4l2_sliced_vbi_cap)
#endif
#define VIDIOC_LOG_STATUS       _IO   ('V', 70)

/* for compatibility, will go away some day */
#define VIDIOC_OVERLAY_OLD     	_IOWR ('V', 14, int)
#define VIDIOC_S_PARM_OLD      	_IOW  ('V', 22, struct v4l2_streamparm)
#define VIDIOC_S_CTRL_OLD      	_IOW  ('V', 28, struct v4l2_control)
#define VIDIOC_G_AUDIO_OLD     	_IOWR ('V', 33, struct v4l2_audio)
#define VIDIOC_G_AUDOUT_OLD    	_IOWR ('V', 49, struct v4l2_audioout)
#define VIDIOC_CROPCAP_OLD     	_IOR  ('V', 58, struct v4l2_cropcap)

#define BASE_VIDIOC_PRIVATE	192		/* 192-255 are private */


#ifdef __KERNEL__
/*
 *
 *	V 4 L 2   D R I V E R   H E L P E R   A P I
 *
 *	Some commonly needed functions for drivers (v4l2-common.o module)
 */
#include <linux/fs.h>

/*  Video standard functions  */
extern unsigned int v4l2_video_std_fps(struct v4l2_standard *vs);
extern int v4l2_video_std_construct(struct v4l2_standard *vs,
				    int id, char *name);

/* prority handling */
struct v4l2_prio_state {
	atomic_t prios[4];
};
int v4l2_prio_init(struct v4l2_prio_state *global);
int v4l2_prio_change(struct v4l2_prio_state *global, enum v4l2_priority *local,
		     enum v4l2_priority new);
int v4l2_prio_open(struct v4l2_prio_state *global, enum v4l2_priority *local);
int v4l2_prio_close(struct v4l2_prio_state *global, enum v4l2_priority *local);
enum v4l2_priority v4l2_prio_max(struct v4l2_prio_state *global);
int v4l2_prio_check(struct v4l2_prio_state *global, enum v4l2_priority *local);

/* names for fancy debug output */
extern char *v4l2_field_names[];
extern char *v4l2_type_names[];

/*  Compatibility layer interface  --  v4l1-compat module */
typedef int (*v4l2_kioctl)(struct inode *inode, struct file *file,
			   unsigned int cmd, void *arg);

#ifdef CONFIG_VIDEO_V4L1_COMPAT
int v4l_compat_translate_ioctl(struct inode *inode, struct file *file,
			       int cmd, void *arg, v4l2_kioctl driver_ioctl);
#else
#define v4l_compat_translate_ioctl(inode,file,cmd,arg,ioctl) -EINVAL
#endif

/* 32 Bits compatibility layer for 64 bits processors */
extern long v4l_compat_ioctl32(struct file *file, unsigned int cmd,
				unsigned long arg);


#endif /* __KERNEL__ */
#endif /* __LINUX_VIDEODEV2_H */

/*
 * Local variables:
 * c-basic-offset: 8
 * End:
 */