/*******************************************************************************

NAME			$RCSfile: commI2cApi.h,v $
SUMMARY			Public APIs header for I2C/SMBus devices
VERSION			$Revision: 1.5 $
UPDATE DATE		$Date: 2009/10/30 08:33:41 $
PROGRAMMER		$Author: cloud $

		Copyright 2009 LSI Corporation. All Rights Reserved.

DESCRIPTION:

REFERENCE:

*******************************************************************************/
#ifndef __INCcommI2cApi
#define __INCcommI2cApi

#include <linux/i2c.h>

#include "i2c-address.h"

#if defined(CHASSIS_WSAS)
#include "wemblySAS.h"
#endif

#define ZEBULON_I2C_BUS_NUM  3
#define ZEBULON_I2C_BUS_0    0
#define ZEBULON_I2C_BUS_1    1
#define ZEBULON_I2C_BUS_2    2

#define PCA9548_NCHANS       8
#define PCA9548_CHANNEL_0    0
#define PCA9548_CHANNEL_1    1
#define PCA9548_CHANNEL_2    2
#define PCA9548_CHANNEL_3    3
#define PCA9548_CHANNEL_4    4
#define PCA9548_CHANNEL_5    5
#define PCA9548_CHANNEL_6    6
#define PCA9548_CHANNEL_7    7


/* I2c bus handler for PCH */
extern struct i2c_adapter *pchAdapter;
/* I2c bus handler for zebulon i2c master */
extern struct i2c_adapter *zebulonAdapter[ZEBULON_I2C_BUS_NUM];

/* Exported from pca9548 kernel driver */
extern void pca9548_mutex_lock(struct i2c_client *);
extern void pca9548_mutex_unlock(struct i2c_client *);

/* Public i2c APIs */
int i2cPca9548Read(struct i2c_adapter *adap, uint16_t addr, uint8_t *data);

int i2cPca9548Write(struct i2c_adapter *adap, uint16_t addr, uint8_t value);

int i2cEeprom64KBitRead(struct i2c_adapter *adap, uint16_t i2c_addr,
					 uint16_t offset, uint8_t *buf, int count);

int i2cEeprom64KBitWrite(struct i2c_adapter *adap, uint16_t i2c_addr,
					 uint16_t offset, uint8_t *buf, int count);

int i2cEeprom4KBitRead(struct i2c_adapter *adap, uint16_t i2c_addr,
					 uint16_t offset, uint8_t *buf, int count);

int i2cEeprom4KBitWrite(struct i2c_adapter *adap, uint16_t i2c_addr,
					 uint16_t offset, uint8_t *buf, int count);

int i2cSMbusReadByte(struct i2c_adapter *adap, uint16_t i2c_addr,
				uint8_t command, uint8_t *byte);

int i2cSMbusWriteByte(struct i2c_adapter *adap, uint16_t i2c_addr,
				uint8_t command, uint8_t byte);


#if defined(CHASSIS_WSAS)
int i2cSMbusReadBlock(struct i2c_adapter *adap, uint16_t i2c_addr,
                uint8_t command, uint8_t *block, uint8_t len);

int i2cSMbusWriteBlock(struct i2c_adapter *adap, uint16_t i2c_addr,
                uint8_t command, uint8_t *block, uint8_t len);

int i2cSMbusSendByte(struct i2c_adapter *adap, uint16_t i2c_addr,
                uint8_t command, uint8_t byte);

s32 i2cSMbusWriteReadBlock(struct i2c_adapter *adap, uint16_t i2c_addr, uint8_t command, uint8_t *block, uint8_t len);
#endif


int i2cPlxCsrRead(struct i2c_adapter *adap, uint16_t offset, uint32_t *data);

int i2cEeprom64KBitProgram(struct i2c_adapter *adap, uint16_t i2c_addr,
					 uint16_t address, uint8_t *buf, int size);
void dump_hex(char *buf, int length);					 

#define i2cSFPRead i2cEeprom4KBitRead

#endif /* __INCcommI2cApi */