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#ifndef __S3C2440_CAMIF_H__
#define __S3C2440_CAMIF_H__
#define MIN_C_WIDTH 32
#define MAX_C_WIDTH 1280
#define MIN_C_HEIGHT 48
#define MAX_C_HEIGHT 1024
#define MIN_P_WIDTH 32
#define MAX_P_WIDTH 640
#define MIN_P_HEIGHT 48
#define MAX_P_HEIGHT 480
enum
{
CAMIF_BUFF_INVALID = 0,
CAMIF_BUFF_RGB565 = 1,
CAMIF_BUFF_RGB24 = 2,
CAMIF_BUFF_YCbCr420 = 3,
CAMIF_BUFF_YCbCr422 = 4
};
/* image buffer for s3c2440 camif. */
struct s3c2440camif_buffer
{
int state;
ssize_t img_size;
unsigned int order;
unsigned long virt_base;
unsigned long phy_base;
};
/* for s3c2440camif_dev->state field. */
enum
{
CAMIF_STATE_FREE = 0, // not openned
CAMIF_STATE_READY = 1, // openned, but standby
CAMIF_STATE_PREVIEWING = 2, // in previewing
CAMIF_STATE_CODECING = 3 // in capturing
};
/* for s3c2440camif_dev->cmdcode field. */
enum
{
CAMIF_CMD_NONE = 0,
CAMIF_CMD_SFMT = 1<<0, // source image format changed.
CAMIF_CMD_WND = 1<<1, // window offset changed.
CAMIF_CMD_ZOOM = 1<<2, // zoom picture in/out
CAMIF_CMD_TFMT = 1<<3, // target image format changed.
CAMIF_CMD_P2C = 1<<4, // need camif switches from p-path to c-path
CAMIF_CMD_C2P = 1<<5, // neet camif switches from c-path to p-path
CAMIF_CMD_STOP = 1<<16 // stop capture
};
/* main s3c2440 camif structure. */
struct s3c2440camif_dev
{
/* for sub-devices */
struct list_head devlist;
/* minor device */
struct video_device * vfd;
/* hardware clock. */
struct clk * clk;
/* reference count. */
struct mutex rcmutex;
int rc;
/* the input images's format select. */
int input;
/* source(input) image size. */
int srcHsize;
int srcVsize;
/* windowed image size. */
int wndHsize;
int wndVsize;
/* codec-path target(output) image size. */
int coTargetHsize;
int coTargetVsize;
/* preview-path target(preview) image size. */
int preTargetHsize;
int preTargetVsize;
/* the camera interface state. */
int state; // CMAIF_STATE_FREE, CAMIF_STATE_PREVIEWING, CAMIF_STATE_CAPTURING.
/* for executing camif commands. */
int cmdcode; // command code, CAMIF_CMD_START, CAMIF_CMD_CFG, etc.
wait_queue_head_t cmdqueue; // wait queue for waiting untile command completed (if in preview or in capturing).
};
/* opened file handle.*/
struct s3c2440camif_fh
{
/* the camif */
struct s3c2440camif_dev * dev;
/* master flag, only master openner could execute 'set' ioctls. */
int master;
};
#define S3C244X_CAMIFREG(x) ((x) + camif_base_addr)
/* CAMIF control registers */
#define S3C244X_CISRCFMT S3C244X_CAMIFREG(0x00)
#define S3C244X_CIWDOFST S3C244X_CAMIFREG(0x04)
#define S3C244X_CIGCTRL S3C244X_CAMIFREG(0x08)
#define S3C244X_CICOYSA1 S3C244X_CAMIFREG(0x18)
#define S3C244X_CICOYSA2 S3C244X_CAMIFREG(0x1C)
#define S3C244X_CICOYSA3 S3C244X_CAMIFREG(0x20)
#define S3C244X_CICOYSA4 S3C244X_CAMIFREG(0x24)
#define S3C244X_CICOCBSA1 S3C244X_CAMIFREG(0x28)
#define S3C244X_CICOCBSA2 S3C244X_CAMIFREG(0x2C)
#define S3C244X_CICOCBSA3 S3C244X_CAMIFREG(0x30)
#define S3C244X_CICOCBSA4 S3C244X_CAMIFREG(0x34)
#define S3C244X_CICOCRSA1 S3C244X_CAMIFREG(0x38)
#define S3C244X_CICOCRSA2 S3C244X_CAMIFREG(0x3C)
#define S3C244X_CICOCRSA3 S3C244X_CAMIFREG(0x40)
#define S3C244X_CICOCRSA4 S3C244X_CAMIFREG(0x44)
#define S3C244X_CICOTRGFMT S3C244X_CAMIFREG(0x48)
#define S3C244X_CICOCTRL S3C244X_CAMIFREG(0x4C)
#define S3C244X_CICOSCPRERATIO S3C244X_CAMIFREG(0x50)
#define S3C244X_CICOSCPREDST S3C244X_CAMIFREG(0x54)
#define S3C244X_CICOSCCTRL S3C244X_CAMIFREG(0x58)
#define S3C244X_CICOTAREA S3C244X_CAMIFREG(0x5C)
#define S3C244X_CICOSTATUS S3C244X_CAMIFREG(0x64)
#define S3C244X_CIPRCLRSA1 S3C244X_CAMIFREG(0x6C)
#define S3C244X_CIPRCLRSA2 S3C244X_CAMIFREG(0x70)
#define S3C244X_CIPRCLRSA3 S3C244X_CAMIFREG(0x74)
#define S3C244X_CIPRCLRSA4 S3C244X_CAMIFREG(0x78)
#define S3C244X_CIPRTRGFMT S3C244X_CAMIFREG(0x7C)
#define S3C244X_CIPRCTRL S3C244X_CAMIFREG(0x80)
#define S3C244X_CIPRSCPRERATIO S3C244X_CAMIFREG(0x84)
#define S3C244X_CIPRSCPREDST S3C244X_CAMIFREG(0x88)
#define S3C244X_CIPRSCCTRL S3C244X_CAMIFREG(0x8C)
#define S3C244X_CIPRTAREA S3C244X_CAMIFREG(0x90)
#define S3C244X_CIPRSTATUS S3C244X_CAMIFREG(0x98)
#define S3C244X_CIIMGCPT S3C244X_CAMIFREG(0xA0)
#endif
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