tvp9k_i2c_def.h

ti的数字电视芯片 tvp9000的源码

/*******************************************************************************
*	@ModuleName  ::	TVP9K_I2C_Def.h
*	
*	@Copyright	 ::	Copyright 2005- Texas Instruments, Inc.
*	
*	@Description ::	Constants & Definitions for TVP9K I2C Module
*	
*	@History     ::
*---------------------------------------
*	03-13-2005	W.Shi	Created
*******************************************************************************/

#ifndef	_TVP9K_I2C_DEF_H_
#define	_TVP9K_I2C_DEF_H_

#define	TVP9K_I2C_0_REG_BASE_ADDR		0x00034000
#define	TVP9K_I2C_1_REG_BASE_ADDR		0x00034080

typedef union _TVP9K_I2C_CTRL_ {
	UINT32	Data;
	
	struct {
		UINT32	SoftReset:			1;		// Soft reset
		UINT32	Reserved:			12;		// Reserved
		UINT32	Acknowledge:		1;		// Acknowledge value: 0 = ACK, 1 = NACK
//		UINT32	DisableSlave:		1;		// 1 = Disable Slave mode: not consistant to RTSCL ???
		UINT32	TimeOutIrqEnable:	1;		// Enable Timeout Interrupt
		UINT32	ErrorIrqMask:		1;		// 1 = Mask Error Interrupt
		UINT32	SlaveWrIrqMask:		1;		// 1 = Mask Slave Write Interrupt
		UINT32	SlaveRdIrqMask:		1;		// 1 = Mask Slave Read Interrupt
		UINT32	MasterWrIrqMask:	1;		// 1 = Mask Master Write Interrupt
		UINT32	MasterRdIrqMask:	1;		// 1 = Mask Master Read Interrupt
		UINT32	StopCondition:		1;		// Stop condition after next byte 
		UINT32	Restart:			1;		// restart before next byte
		UINT32	StartCondition:		1;		// start condition before next byte
		UINT32	StartTransaction:	1;		// Start transmission
		UINT32	Data:				8;		// data transmitted or received
	} Bits;
} TVP9K_I2C_CTRL;

typedef union _TVP9K_I2C_ADDR_ {
	UINT32	Data;
	
	struct {
		UINT32	:12;						// Reserved
		UINT32	FastMode:			1;		// 1 = Fast (400KHz) mode, 0 = 100KHz mode
		UINT32	SlaveAddrMode:		2;		// 10 = 10-bit, 01 = 7-bit, 00 = disable slave addr
		UINT32	SlaveAddr10bit:		10;		// 10-bit slave address
		UINT32	SlaveAddr7bit:		7;		// 7-bit slave address
	} Bits;
} TVP9K_I2C_ADDR;

typedef union _TVP9K_I2C_STATUS_ {
	UINT32	Data;
	
	struct {
		UINT32	:4;							// Reserved
		UINT32	SlaveRestart:		1;
		UINT32	SlaveStart:			1;
		UINT32	BitCount:			4;
		UINT32	Arbitration:		1;
		UINT32	SlaveError:			1;
		UINT32	TimeoutError:		1;
		UINT32	BusError:			1;
		UINT32	ReadFlag:			1;
		UINT32	MasterFlag:			1;
		UINT32	SlaveFlag:			1;
		UINT32	StopFlag:			1;
		UINT32	RestartFlag:		1;
		UINT32	StartFlag:			1;
		UINT32	AckValue:			1;		// Last ACK(0)/NAK (1) received
		UINT32	ActiveFlag:			1;
		UINT32	MaskedMasterRdIrq:	1;		// Mask Master Read interrupt
		UINT32	MaskedMasterWrIrq:	1;		// Mask Master Write interrupt
		UINT32	MaskedSlaveRdIrq:	1;		// Mask Slave Read interrupt
		UINT32	MaskedSlaveWrIrq:	1;		// Mask Slave Write interrupt
		UINT32	MaskedErrorIrq:		1;		// Mask Error Interrupt
		UINT32	MasterRdIrq:		1;		// Raw Master Read interrupt
		UINT32	MasterWrIrq:		1;		// Raw Master Write interrupt
		UINT32	SlaveRdIrq:			1;		// Raw Slave Read interrupt
		UINT32	SlaveWrIrq:			1;		// Raw Slave Write interrupt
		UINT32	ErrorIrq:			1;		// Raw Error interrupt
	} Bits;
} TVP9K_I2C_STATUS;

typedef struct _TVP9K_I2C_REG_ {
	volatile TVP9K_I2C_CTRL		Ctrl;		// I2C Channel-0: Control register
	volatile TVP9K_I2C_ADDR		Addr;		// I2C Channel-0: Address register
	volatile TVP9K_I2C_STATUS	Status;		// I2C Channel-0: Status register
} TVP9K_I2C_REG;

typedef struct _TI_DTV_I2C_CTRL_ {
	OS_EVENT *pMutexSem;					// Mutual Exclusive Semaphore
	
	volatile TVP9K_I2C_REG *pI2cReg;		// pointer to I2C H/W Registers
	UINT16	EventFlag;						// I2C Event Flag (Data Ready)
	int		Status;							// Tx/Rx status
	int		TxDataSize;						// Tx Data byte size
	UCHAR	*pTxDataBuf;					// pointer to Tx Data buffer
	int		RxDataSize;						// Rx Data byte size
	UCHAR	*pRxDataBuf;					// pointer to Rx Data buffer
} TI_DTV_I2C_CTRL;

//----------------------------------------------------------
// Defined in "TiDTV_I2C.c"
//
void TiDTV_InitI2C(void);
int TiDTV_I2cWriteByte(UCHAR I2cChNo, UCHAR I2cSpeed, UCHAR DeviceAddr, UCHAR SubAddrEnable,
					UCHAR SubAddr, UCHAR DataByte, UINT16 TimeOut);
int TiDTV_I2cWrite(UCHAR I2cChNo, UCHAR I2cSpeed, UCHAR DeviceAddr,
					int TxDataSize, UCHAR *pTxDataBuf, UINT16 TimeOut);
int TiDTV_I2cRead(UCHAR I2cChNo, UCHAR I2cSpeed, UCHAR DeviceAddr, UCHAR SubAddrEnable,
					UCHAR SubAddr, int RxDataSize, UCHAR *pRxDataBuf, UINT16 TimeOut);
int TiDTV_I2cReadAfterWrite(UCHAR I2cChNo, UCHAR I2cSpeed, int TxDataSize, UCHAR *pTxDataBuf,
					int RxDataSize, UCHAR *pRxDataBuf, UINT16 TimeOut);

#endif	/* _TVP9K_I2C_DEF_H_  */