#ifndef __SAA7146_VV__

#define __SAA7146_VV__

#include <media/v4l2-common.h>

#include <media/v4l2-ioctl.h>

#include <media/saa7146.h>

#include <media/videobuf-dma-sg.h>

#define MAX_SAA7146_CAPTURE_BUFFERS	32	/* arbitrary */

#define BUFFER_TIMEOUT     (HZ/2)  /* 0.5 seconds */

#define WRITE_RPS0(x) do { \

	dev->d_rps0.cpu_addr[ count++ ] = cpu_to_le32(x); \

	} while (0);

#define WRITE_RPS1(x) do { \

	dev->d_rps1.cpu_addr[ count++ ] = cpu_to_le32(x); \

	} while (0);

struct	saa7146_video_dma {

	u32 base_odd;

	u32 base_even;

	u32 prot_addr;

	u32 pitch;

	u32 base_page;

	u32 num_line_byte;

};

#define FORMAT_BYTE_SWAP	0x1

#define FORMAT_IS_PLANAR	0x2

struct saa7146_format {

	char	*name;

	u32	pixelformat;

	u32	trans;

	u8	depth;

	u8	flags;

	u8	swap;

};

struct saa7146_standard

{

	char          *name;

	v4l2_std_id   id;

	int v_offset;	/* number of lines of vertical offset before processing */

	int v_field;	/* number of lines in a field for HPS to process */

	int h_offset;	/* horizontal offset of processing window */

	int h_pixels;	/* number of horizontal pixels to process */

	int v_max_out;

	int h_max_out;

};

/* buffer for one video/vbi frame */

struct saa7146_buf {

	/* common v4l buffer stuff -- must be first */

	struct videobuf_buffer vb;

	/* saa7146 specific */

	struct v4l2_pix_format  *fmt;

	int (*activate)(struct saa7146_dev *dev,

			struct saa7146_buf *buf,

			struct saa7146_buf *next);

	/* page tables */

	struct saa7146_pgtable  pt[3];

};

struct saa7146_dmaqueue {

	struct saa7146_dev	*dev;

	struct saa7146_buf	*curr;

	struct list_head	queue;

	struct timer_list	timeout;

};

struct saa7146_overlay {

	struct saa7146_fh	*fh;

	struct v4l2_window	win;

	struct v4l2_clip	clips[16];

	int			nclips;

};

/* per open data */

struct saa7146_fh {

	struct saa7146_dev	*dev;

	/* if this is a vbi or capture open */

	enum v4l2_buf_type	type;

	/* video overlay */

	struct saa7146_overlay	ov;

	/* video capture */

	struct videobuf_queue	video_q;

	struct v4l2_pix_format	video_fmt;

	/* vbi capture */

	struct videobuf_queue	vbi_q;

	struct v4l2_vbi_format	vbi_fmt;

	struct timer_list	vbi_read_timeout;

	unsigned int resources;	/* resource management for device open */

};

#define STATUS_OVERLAY	0x01

#define STATUS_CAPTURE	0x02

struct saa7146_vv

{

	int vbi_minor;

	/* vbi capture */

	struct saa7146_dmaqueue		vbi_q;

	/* vbi workaround interrupt queue */

	wait_queue_head_t		vbi_wq;

	int				vbi_fieldcount;

	struct saa7146_fh		*vbi_streaming;

	int video_minor;

	int				video_status;

	struct saa7146_fh		*video_fh;

	/* video overlay */

	struct v4l2_framebuffer		ov_fb;

	struct saa7146_format		*ov_fmt;

	struct saa7146_overlay		*ov_data;

	struct saa7146_fh		*ov_suspend;

	/* video capture */

	struct saa7146_dmaqueue		video_q;

	enum v4l2_field			last_field;

	/* common: fixme? shouldn't this be in saa7146_fh?

	   (this leads to a more complicated question: shall the driver

	   store the different settings (for example S_INPUT) for every open

	   and restore it appropriately, or should all settings be common for

	   all opens? currently, we do the latter, like all other

	   drivers do... */

	struct saa7146_standard	*standard;

	int	vflip;

	int	hflip;

	int	current_hps_source;

	int	current_hps_sync;

	struct saa7146_dma	d_clipping;	/* pointer to clipping memory */

	unsigned int resources;	/* resource management for device */

};

#define SAA7146_EXCLUSIVE	0x1

#define SAA7146_BEFORE		0x2

#define SAA7146_AFTER		0x4

struct saa7146_extension_ioctls

{

	unsigned int	cmd;

	int		flags;

};

/* flags */

#define SAA7146_USE_PORT_B_FOR_VBI	0x2     /* use input port b for vbi hardware bug workaround */

struct saa7146_ext_vv

{

	/* informations about the video capabilities of the device */

	int	inputs;

	int	audios;

	u32	capabilities;

	int	flags;

	/* additionally supported transmission standards */

	struct saa7146_standard *stds;

	int num_stds;

	int (*std_callback)(struct saa7146_dev*, struct saa7146_standard *);

	struct saa7146_extension_ioctls *ioctls;

};

struct saa7146_use_ops  {

	void (*init)(struct saa7146_dev *, struct saa7146_vv *);

	int(*open)(struct saa7146_dev *, struct file *);

	void (*release)(struct saa7146_dev *, struct file *);

	void (*irq_done)(struct saa7146_dev *, unsigned long status);

	ssize_t (*read)(struct file *, char __user *, size_t, loff_t *);

};

/* from saa7146_fops.c */

int saa7146_register_device(struct video_device **vid, struct saa7146_dev* dev, char *name, int type);

int saa7146_unregister_device(struct video_device **vid, struct saa7146_dev* dev);

void saa7146_buffer_finish(struct saa7146_dev *dev, struct saa7146_dmaqueue *q, int state);

void saa7146_buffer_next(struct saa7146_dev *dev, struct saa7146_dmaqueue *q,int vbi);

int saa7146_buffer_queue(struct saa7146_dev *dev, struct saa7146_dmaqueue *q, struct saa7146_buf *buf);

void saa7146_buffer_timeout(unsigned long data);

void saa7146_dma_free(struct saa7146_dev* dev,struct videobuf_queue *q,

						struct saa7146_buf *buf);

int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv);

int saa7146_vv_release(struct saa7146_dev* dev);

/* from saa7146_hlp.c */

int saa7146_enable_overlay(struct saa7146_fh *fh);

void saa7146_disable_overlay(struct saa7146_fh *fh);

void saa7146_set_capture(struct saa7146_dev *dev, struct saa7146_buf *buf, struct saa7146_buf *next);

void saa7146_write_out_dma(struct saa7146_dev* dev, int which, struct saa7146_video_dma* vdma) ;

void saa7146_set_hps_source_and_sync(struct saa7146_dev *saa, int source, int sync);

void saa7146_set_gpio(struct saa7146_dev *saa, u8 pin, u8 data);

/* from saa7146_video.c */

extern struct saa7146_use_ops saa7146_video_uops;

int saa7146_start_preview(struct saa7146_fh *fh);

int saa7146_stop_preview(struct saa7146_fh *fh);

/* from saa7146_vbi.c */

extern struct saa7146_use_ops saa7146_vbi_uops;

/* resource management functions */

int saa7146_res_get(struct saa7146_fh *fh, unsigned int bit);

void saa7146_res_free(struct saa7146_fh *fh, unsigned int bits);

#define RESOURCE_DMA1_HPS	0x1

#define RESOURCE_DMA2_CLP	0x2

#define RESOURCE_DMA3_BRS	0x4

/* saa7146 source inputs */

#define SAA7146_HPS_SOURCE_PORT_A	0x00

#define SAA7146_HPS_SOURCE_PORT_B	0x01

#define SAA7146_HPS_SOURCE_YPB_CPA	0x02

#define SAA7146_HPS_SOURCE_YPA_CPB	0x03

/* sync inputs */

#define SAA7146_HPS_SYNC_PORT_A		0x00

#define SAA7146_HPS_SYNC_PORT_B		0x01

/* some memory sizes */

/* max. 16 clipping rectangles */

#define SAA7146_CLIPPING_MEM	(16 * 4 * sizeof(u32))

/* some defines for the various clipping-modes */

#define SAA7146_CLIPPING_RECT		0x4

#define SAA7146_CLIPPING_RECT_INVERTED	0x5

#define SAA7146_CLIPPING_MASK		0x6

#define SAA7146_CLIPPING_MASK_INVERTED	0x7

/* output formats: each entry holds four informations */

#define RGB08_COMPOSED	0x0217 /* composed is used in the sense of "not-planar" */

/* this means: planar?=0, yuv2rgb-conversation-mode=2, dither=yes(=1), format-mode = 7 */

#define RGB15_COMPOSED	0x0213

#define RGB16_COMPOSED	0x0210

#define RGB24_COMPOSED	0x0201

#define RGB32_COMPOSED	0x0202

#define Y8			0x0006

#define YUV411_COMPOSED		0x0003

#define YUV422_COMPOSED		0x0000

/* this means: planar?=1, yuv2rgb-conversion-mode=0, dither=no(=0), format-mode = b */

#define YUV411_DECOMPOSED	0x100b

#define YUV422_DECOMPOSED	0x1009

#define YUV420_DECOMPOSED	0x100a

#define IS_PLANAR(x) (x & 0xf000)

/* misc defines */

#define SAA7146_NO_SWAP		(0x0)

#define SAA7146_TWO_BYTE_SWAP	(0x1)

#define SAA7146_FOUR_BYTE_SWAP	(0x2)

#endif