UTS6710/boot/include/i2c.h

#ifndef _i2c_h
#define _i2c_h
#include <asm/types.h>

/* copy from sis516/sisi2c.h */
typedef enum			
{
	ADDRESS_TYPE_BYTE,		
	ADDRESS_TYPE_WORD,
	ADDRESS_TYPE_NONE,
	ADDRESS_TYPE_MULTIPLE,

	ADDRESS_TYPE_INVALID
}ADDRESS_TYPE,*PADDRESS_TYPE;


#define I2C_SPEED_100K			0x30
#define I2C_SPEED_400K			0x0b

typedef enum
{
	I2C_STATUS_SUCCESS,
	I2C_STATUS_DEVICE_ID_ERROR,
	I2C_STATUS_DATA_ERROR,
	I2C_STATUS_SYSTEM_ERROR,
	I2C_STATUS_HARDWARE_CRASH
}I2C_STATUS,*PI2C_STATUS;

/* i2c misc */
#if 0
#define ___swab16(x) \
({ \
	WORD __x = (x); \
	((WORD)( \
		(((WORD)(__x) & (WORD)0x00ff) << 8) | \
		(((WORD)(__x) & (WORD)0xff00) >> 8) )); \
})

#define ___swab32(x) \
({ \
	DWORD __x = (x); \
	((DWORD)( \
		(((DWORD)(__x) & (DWORD)0x000000ff) << 24) | \
		(((DWORD)(__x) & (DWORD)0x0000ff00) <<  8) | \
		(((DWORD)(__x) & (DWORD)0x00ff0000) >>  8) | \
		(((DWORD)(__x) & (DWORD)0xff000000) >> 24) )); \
})
#else
#define ___swab16(x) (((x&0xff)<<8)|((x&0xff00)>>8))
#define ___swab32(x) (((x&0xff)<<24)|((x&0xff00)<<8)|((x&0xff0000)>>8)|((x&0xff000000)>>24))
#endif

void I2CWriteFun(u8 MasterIndex,u8 Device_ID,u8 addrtype,u32 Address,u8 *pData,u16 Length,u8 Speed,u8 *pStatus);
void I2CReadFun(u8 MasterIndex, u8 Device_ID, u8 addrtype, u32 Address, u8 *pData, u16 Length, u8 Speed, u8 *pStatus);
void HWI2CInit(u8 MasterIndex);

#endif	//_i2c_h