videodev.h

2440mmc-and-camera-linux-driver 2440mmc-and-camera-linux-driver

#define V4L2_COLOR_SUBC_PAL_M	3575611		/* PAL M (Brazil) */
#define V4L2_COLOR_SUBC_PAL_N	3582056		/* PAL N */
#define V4L2_COLOR_SUBC_NTSC	3579545		/* NTSC M, NTSC-Japan */
#define V4L2_COLOR_SUBC_SECAMB	4250000		/* SECAM B - Y carrier */
#define V4L2_COLOR_SUBC_SECAMR	4406250		/* SECAM R - Y carrier */

/*  Flags for the 'transmission' field  */
#define V4L2_TRANSM_STD_B		(1<<1)
#define V4L2_TRANSM_STD_D		(1<<3)
#define V4L2_TRANSM_STD_G		(1<<6)
#define V4L2_TRANSM_STD_H		(1<<7)
#define V4L2_TRANSM_STD_I		(1<<8)
#define V4L2_TRANSM_STD_K		(1<<10)
#define V4L2_TRANSM_STD_K1		(1<<11)
#define V4L2_TRANSM_STD_L		(1<<12)
#define V4L2_TRANSM_STD_M		(1<<13)
#define V4L2_TRANSM_STD_N		(1<<14)


/*  Used in the VIDIOC_ENUMSTD ioctl for querying supported standards  */
struct v4l2_enumstd
{
	int			index;
	struct v4l2_standard	std;
	__u32			inputs;  /* set of inputs that */
					 /* support this standard */
	__u32			outputs; /* set of outputs that */
					 /* support this standard */
	__u32			reserved[2];
};


/*
 *	V I D E O   I N P U T S
 */
struct v4l2_input
{
	int	index;		/*  Which input */
	char	name[32];	/*  Label */
	int	type;		/*  Type of input */
	__u32	capability;	/*  Capability flags */
	int	assoc_audio;	/*  Associated audio input */
	__u32	reserved[4];
};
/*  Values for the 'type' field */
#define V4L2_INPUT_TYPE_TUNER		1
#define V4L2_INPUT_TYPE_CAMERA		2

/*  Flags for the 'capability' field */
#define V4L2_INPUT_CAP_AUDIO		0x0001	/* assoc_audio */


/*
 *	V I D E O   O U T P U T S
 */
struct v4l2_output
{
	int	index;		/*  Which output */
	char	name[32];	/*  Label */
	int	type;		/*  Type of output */
	__u32	capability;	/*  Capability flags */
	int	assoc_audio;	/*  Associated audio */
	__u32	reserved[4];
};
/*  Values for the 'type' field */
#define V4L2_OUTPUT_TYPE_MODULATOR		1
#define V4L2_OUTPUT_TYPE_ANALOG			2
#define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY	3

/*  Flags for the 'capability' field */
#define V4L2_OUTPUT_CAP_AUDIO		0x0001	/* assoc_audio */


/*
 *	C O N T R O L S
 */
struct v4l2_control
{
	__u32		id;
	int		value;
};

/*  Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
struct v4l2_queryctrl
{
	__u32		id;
	__u8		name[32];	/* Whatever */
	int		minimum;	/* Note signedness */
	int		maximum;
	unsigned int	step;
	int		default_value;
	__u32		type;
	__u32		flags;
	__u32		category;	/* Automatically filled in by V4L2 */
	__u8		group[32];	/*   for pre-defined controls      */
	__u32		reserved[2];
};

/*  Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
struct v4l2_querymenu
{
	__u32		id;
	int		index;
	__u8		name[32];	/* Whatever */
	int		reserved;
};

/*  Used in V4L2_BUF_TYPE_FXCONTROL buffers  */
struct v4l2_fxcontrol
{
	__u32	id;
	__u32	value;
};

/*  Control types  */
#define V4L2_CTRL_TYPE_INTEGER		0
#define V4L2_CTRL_TYPE_BOOLEAN		1
#define V4L2_CTRL_TYPE_MENU		2
#define V4L2_CTRL_TYPE_BUTTON		3

/*  Control flags  */
#define V4L2_CTRL_FLAG_DISABLED		0x0001
#define V4L2_CTRL_FLAG_GRABBED		0x0002

/*  Control categories	*/
#define V4L2_CTRL_CAT_VIDEO		1  /*  "Video"   */
#define V4L2_CTRL_CAT_AUDIO		2  /*  "Audio"   */
#define V4L2_CTRL_CAT_EFFECT		3  /*  "Effect"  */

/*  Control IDs defined by V4L2 */
#define V4L2_CID_BASE			0x00980900
/*  IDs reserved for driver specific controls */
#define V4L2_CID_PRIVATE_BASE		0x08000000
/*  IDs reserved for effect-specific controls on effects devices  */
#define V4L2_CID_EFFECT_BASE		0x0A00B000

#define V4L2_CID_BRIGHTNESS		(V4L2_CID_BASE+0)
#define V4L2_CID_CONTRAST		(V4L2_CID_BASE+1)
#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 */
/*  Remember to change fill_ctrl_category() in videodev.c  */

/*
 *	T U N I N G
 */
struct v4l2_tuner
{
	int			input;
	char			name[32];
	struct v4l2_standard	std;
	__u32			capability;
	__u32			rangelow;
	__u32			rangehigh;
	__u32			rxsubchans;
	__u32			audmode;
	int			signal;
	int			afc;
	__u32			reserved[4];
};
struct v4l2_modulator
{
	int			output;
	char			name[32];
	struct v4l2_standard	std;
	__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

struct v4l2_frequency
{
	int	input;
	__u32	frequency;
	__u32	reserved[2];
};

/*
 *	A U D I O
 */
struct v4l2_audio
{
	int	audio;
	char	name[32];
	__u32	capability;
	__u32	mode;
	__u32	reserved[2];
};
/*  Flags for the 'capability' field */
#define V4L2_AUDCAP_EFFECTS		0x0020
#define V4L2_AUDCAP_LOUDNESS		0x0040
#define V4L2_AUDCAP_AVL			0x0080

/*  Flags for the 'mode' field */
#define V4L2_AUDMODE_LOUDNESS		0x00002
#define V4L2_AUDMODE_AVL		0x00004
#define V4L2_AUDMODE_STEREO_field	0x0FF00
#define V4L2_AUDMODE_STEREO_LINEAR	0x00100
#define V4L2_AUDMODE_STEREO_PSEUDO	0x00200
#define V4L2_AUDMODE_STEREO_SPATIAL30	0x00300
#define V4L2_AUDMODE_STEREO_SPATIAL50	0x00400

struct v4l2_audioout
{
	int	audio;
	char	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
 */

struct v4l2_vbi_format
{
	__u32	sampling_rate;		/* in 1 Hz */
	__u32	offset;
	__u32	samples_per_line;
	__u32	sample_format;		/* V4L2_VBI_SF_* */
	__s32	start[2];
	__u32	count[2];
	__u32	flags;			/* V4L2_VBI_* */
	__u32	reserved2;		/* must be zero */
};

/*  VBI sampling formats */
#define V4L2_VBI_SF_UBYTE	1

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


/*
 *	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
{
	__u32	type;
	union
	{
		struct v4l2_pix_format	pix;	/*  image format  */
		struct v4l2_vbi_format	vbi;	/*  VBI data  */
		/*  add more  */
		__u8	raw_data[200];  /* user-defined */
	} fmt;
};


/*	Stream type-dependent parameters
 */
struct v4l2_streamparm
{
	__u32	type;
	union
	{
		struct v4l2_captureparm	capture;
		struct v4l2_outputparm	output;
		/*  add more  */
		__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_PIXFMT	_IOWR ('V',  2, struct v4l2_fmtdesc)
#define VIDIOC_ENUM_FBUFFMT	_IOWR ('V',  3, struct v4l2_fmtdesc)
#define VIDIOC_G_FMT		_IOWR ('V',  4, struct v4l2_format)
#define VIDIOC_S_FMT		_IOWR ('V',  5, struct v4l2_format)
#define VIDIOC_G_COMP		_IOR  ('V',  6, struct v4l2_compression)
#define VIDIOC_S_COMP		_IOW  ('V',  7, struct v4l2_compression)
#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_G_WIN		_IOR  ('V', 12, struct v4l2_window)
#define VIDIOC_S_WIN		_IOW  ('V', 13, struct v4l2_window)
#define VIDIOC_PREVIEW		_IOWR ('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_PERF		_IOR  ('V', 20, struct v4l2_performance)
#define VIDIOC_G_PARM		_IOWR ('V', 21, struct v4l2_streamparm)
#define VIDIOC_S_PARM		_IOW  ('V', 22, struct v4l2_streamparm)
#define VIDIOC_G_STD		_IOR  ('V', 23, struct v4l2_standard)
#define VIDIOC_S_STD		_IOW  ('V', 24, struct v4l2_standard)
#define VIDIOC_ENUMSTD		_IOWR ('V', 25, struct v4l2_enumstd)
#define VIDIOC_ENUMINPUT	_IOWR ('V', 26, struct v4l2_input)
#define VIDIOC_G_CTRL		_IOWR ('V', 27, struct v4l2_control)
#define VIDIOC_S_CTRL		_IOW  ('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_FREQ		_IOR  ('V', 31, int) /* depricated */
#define VIDIOC_S_FREQ		_IOWR ('V', 32, int) /* depricated */
#define VIDIOC_G_AUDIO		_IOWR ('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_ENUMCVT		_IOWR ('V', 40, struct v4l2_cvtdesc)
#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		_IOWR ('V', 49, struct v4l2_audioout)
#define VIDIOC_S_AUDOUT		_IOW  ('V', 50, struct v4l2_audioout)
#define VIDIOC_ENUMFX		_IOWR ('V', 51, struct v4l2_fxdesc)
#define VIDIOC_G_EFFECT		_IOR  ('V', 52, int)
#define VIDIOC_S_EFFECT		_IOWR ('V', 53, int)
#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_ENUM_CAPFMT	VIDIOC_ENUM_PIXFMT
#define VIDIOC_ENUM_OUTFMT	VIDIOC_ENUM_PIXFMT
#define VIDIOC_ENUM_SRCFMT	VIDIOC_ENUM_PIXFMT
#define VIDIOC_ENUMFMT		VIDIOC_ENUM_PIXFMT

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


#ifdef __KERNEL__
/*
 *	These things are used only by drivers.
 */

extern int videodev_init(void);

/*
 *
 *	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.
 */

extern void v4l2_version(int *major, int *minor);
extern int v4l2_major_number(void);

/*  Memory management  */
extern unsigned long v4l2_vmalloc_to_bus(void *virt);
#if  LINUX_VERSION_CODE >= 0x020300
extern struct page *v4l2_vmalloc_to_page(void *virt);
#else
extern unsigned long v4l2_vmalloc_to_page(void *virt);
#endif

/*  Simple queue management  */
struct v4l2_q_node
{
	struct v4l2_q_node 	*forw, *back;
};
struct v4l2_queue
{
	struct v4l2_q_node	*forw, *back;
	rwlock_t		qlock;
};
extern void  v4l2_q_init(struct v4l2_queue *q);
extern void  v4l2_q_add_head(struct v4l2_queue *q, struct v4l2_q_node *node);
extern void  v4l2_q_add_tail(struct v4l2_queue *q, struct v4l2_q_node *node);
extern void *v4l2_q_del_head(struct v4l2_queue *q);
extern void *v4l2_q_del_tail(struct v4l2_queue *q);
extern void *v4l2_q_peek_head(struct v4l2_queue *q);
extern void *v4l2_q_peek_tail(struct v4l2_queue *q);
extern void *v4l2_q_yank_node(struct v4l2_queue *q, struct v4l2_q_node *node);
extern int   v4l2_q_last(struct v4l2_queue *q);

/*  Math functions  */
extern u32 v4l2_math_div6432(u64 a, u32 d, u32 *r);

/*  Time functions  */
extern unsigned long v4l2_timestamp_divide(stamp_t t,
					   unsigned long p_100ns);
extern unsigned long v4l2_timestamp_correct(stamp_t *t,
					    unsigned long p_100ns);

/*  Master Clock functions  */
struct v4l2_clock
{
	void	(*gettime)(stamp_t *);
};
extern int  v4l2_masterclock_register(struct v4l2_clock *clock);
extern void v4l2_masterclock_unregister(struct v4l2_clock *clock);
extern void v4l2_masterclock_gettime(stamp_t *curr);

/*  Video standard functions  */
extern unsigned int v4l2_video_std_fps(struct v4l2_standard *vs);
extern unsigned long v4l2_video_std_tpf(struct v4l2_standard *vs);
extern int v4l2_video_std_confirm(struct v4l2_standard *vs);
extern int v4l2_video_std_construct(struct v4l2_standard *vs,
				    int id, __u32 transmission);

#define V4L2_STD_PAL		1	/* PAL B, G, H, I (...) */
#define V4L2_STD_PAL_M		5	/* (Brazil) */
#define V4L2_STD_PAL_N		6	/* (Argentina, Paraguay, Uruguay) */
#define V4L2_STD_PAL_60		10	/* PAL/NTSC hybrid */
#define V4L2_STD_NTSC		11	/* NTSC M (USA, ...) */
#define V4L2_STD_NTSC_N		12	/* (Barbados, Bolivia, Colombia, 
					   S. Korea) */
#define V4L2_STD_NTSC_44	15	/* PAL/NTSC hybrid */
#define V4L2_STD_SECAM		21	/* SECAM B, D, G, K, K1 (...) */
//#define V4L2_STD_SECAM_H	27	/* (Greece, Iran, Morocco) */ 
//#define V4L2_STD_SECAM_L	28	/* (France, Luxembourg, Monaco) */
//#define V4L2_STD_SECAM_M	29	/* (Jamaica) */

/*
 *	D E V I C E   D R I V E R   R E G I S T R A T I O N
 *
 */