camera.h

generic driver for s3c2440 under linux

/*
 * camera.h
 *
 *  Created on: 6-Jul-08
 *      Author: root
 */

#ifndef CAMERA_H_
#define CAMERA_H_

#include <linux/videodev.h>

#define MAX_OPENS 1
#define MAX_NUM_FRAMES	15
//#define CAMIF_MAX_W 800
//#define CAMIF_MAX_H 625
#define CAMIF_MAX_W 1024
#define CAMIF_MAX_H 768
#define CAMIF_MIN_W 160
#define CAMIF_MIN_H 120

struct img_buf_t {
	unsigned int phys_addr;
	unsigned char *buf;
};

struct s3c2440_camif_dev {
	//struct video_device	v;
	spinlock_t		lock;
	struct semaphore	change;
	struct completion	stop;
	int			open_count;
	wait_queue_head_t	wait;
	unsigned long		time_acquired;/* millisecond time stamp */

	int set_chg;
	int mode;
	int flag;
	int rdy;
	size_t size;

	void __iomem* addr;

	struct clk *upll_clk;
	struct clk *clk;
	int    irq;

	struct resource *addr_res;   /* resources found */
	struct resource *irq_res;

	unsigned char *yuv_buf;
	dma_addr_t yuv_buf_dma;
	unsigned char *rgb_buf;
	dma_addr_t rgb_buf_dma;
};

struct s3c2440_camif_cfg_t {
	int src_x;
	int src_y;
#if 1
	int dst_x;
	int dst_y;
	int dst_fmt;
	int pre_x;
	int pre_y;
	int pre_fmt;
	__u16 bypass;
	__u16 ycbcr;
#endif
	struct s3c2440_camif_dev *dev;
};

//Camera Interface.  Edited for 2440A
#define CISRCFMT           (0x00000000)
#define CIWDOFST           (0x00000004)
#define CIGCTRL            (0x00000008)
#define CICOYSA1           (0x00000018)
#define CICOYSA2           (0x0000001C)
#define CICOYSA3           (0x00000020)
#define CICOYSA4           (0x00000024)
#define CICOCBSA1          (0x00000028)
#define CICOCBSA2          (0x0000002C)
#define CICOCBSA3          (0x00000030)
#define CICOCBSA4          (0x00000034)
#define CICOCRSA1          (0x00000038)
#define CICOCRSA2          (0x0000003C)
#define CICOCRSA3          (0x00000040)
#define CICOCRSA4          (0x00000044)
#define CICOTRGFMT         (0x00000048)
#define CICOCTRL           (0x0000004C)
#define CICOSCPRERATIO     (0x00000050)
#define CICOSCPREDST       (0x00000054)
#define CICOSCCTRL         (0x00000058)
#define CICOTAREA          (0x0000005C)
#define CICOSTATUS         (0x00000064)
#define CIPRCLRSA1         (0x0000006C)
#define CIPRCLRSA2         (0x00000070)
#define CIPRCLRSA3         (0x00000074)
#define CIPRCLRSA4         (0x00000078)
#define CIPRTRGFMT         (0x0000007C)
#define CIPRCTRL           (0x00000080)
#define CIPRSCPRERATIO     (0x00000084)
#define CIPRSCPREDST       (0x00000088)
#define CIPRSCCTRL         (0x0000008C)
#define CIPRTAREA          (0x00000090)
#define CIPRSTATUS         (0x00000098)
#define CIIMGCPT           (0x000000A0)

#define	CICOSTAY(i)	   (0x00000018+(i)*4)
#define	CICOSTACb(i)	   (0x00000028+(i)*4)
#define	CICOSTACr(i)	   (0x00000038+(i)*4)
#define	CIPRSTARGB(i)	   (0x0000006C+(i)*4)

#define	STILL_IMAGE	    1
#define	VIDEO_START	    0
#define	VIDEO_STOP	    -1



#endif /* CAMERA_H_ */