/*
 * File:   i2c.h
 */

#ifndef I2C_H
#define I2C_H

#ifdef __cplusplus
extern "C" {
#endif

#define GPIOA29_I2C0_SDA (1 << 29)
#define GPIOA30_I2C0_SCL (1 << 30)
#define GPIOD22_I2C1_SDA (1 << 22)
#define GPIOD23_I2C1_SCL (1 << 23)
#define GPIOD24_I2C2_SDA (1 << 24)
#define GPIOD25_I2C2_SCL (1 << 25)

#define I2C0_BASE 0x3802C000
#define I2C0(a) (*(volatile unsigned int *)(I2C0_BASE + (a)))
#define I2C1_BASE 0x3802D000
#define I2C1(a) (*(volatile unsigned int *)(I2C1_BASE + (a)))
#define I2C2_BASE 0x3802E000
#define I2C2(a) (*(volatile unsigned int *)(I2C2_BASE + (a)))

#define IC_CON 0x0
#define IC_TAR 0x4
#define IC_SAR 0x8
#define IC_HS_MADD 0xC
#define IC_DATA_CMD 0x10
#define IC_SS_SCL_HCNT 0x14
#define IC_SS_SCL_LCNT 0x18
#define IC_FS_SCL_HCNT 0x1C
#define IC_FS_SCL_LCNT 0x20
#define IC_HS_SCL_HCNT 0x24
#define IC_HS_SCL_LCNT 0x28
#define IC_INTR_STAT 0x2C
#define IC_INTR_MASK 0x30
#define IC_RAW_INTR_STAT 0x34
#define IC_RX_TL 0x38
#define IC_TX_TL 0x3C
#define IC_CLR_INTR 0x40
#define IC_CLR_RX_UNDER 0x44
#define IC_CLR_RX_OVER 0x48
#define IC_CLR_TX_OVER 0x4C
#define IC_CLR_RD_REQ 0x50
#define IC_CLR_TX_ABR 0x54
#define IC_CLR_RX_DONE 0x58
#define IC_CLR_ACTIVITY 0x5C
#define IC_CLR_STOP_DET 0x60
#define IC_CLR_START_DET 0x64
#define IC_CLR_GEN_CALL 0x68
#define IC_ENABLE 0x6C
#define IC_STATUS 0x70
#define IC_TXFLR 0x74
#define IC_RXFLR 0x78
#define IC_SDA_HOLD 0x7C
#define IC_TX_ABRT_SOURSE 0x80

#define IC_SLV_DATA_NACK_ONLY 0x84

#define IC_DMA_CR 0x88
#define IC_DMA_TDLR 0x8C
#define IC_DMA_RDLR 0x90
#define IC_SDA_SETUP 0x94
#define IC_ACK_GENERAL_CALL 0x98

#define IC_ENABLE_STATUS 0x9C

#define IC_FS_SPKLEN 0xA0
#define IC_HS_SPKLEN 0xA4

#define I2C_REG_8BIT_ADDRESS 8 // Size of register address
#define I2C_REG_16BIT_ADDRESS 16
#define I2C_REG_24BIT_ADDRESS 24
#define I2C_REG_32BIT_ADDRESS 32


#define ALC5623_I2C_SLAVE_ADDR 0x1a
#define MMPF0100_SLAVE_ADDR 0x08
#define MMPF0100_SW3AMODE_ADDR 0x3F
#define MMPF0100_SW3BMODE_ADDR 0x46
#define MMPF0100_DDR_POWER_VAL 0x08	

void init_I2C(unsigned int slave_addr);

int readI2CBytes(unsigned int adrSize, unsigned int regNum, void *dest,
                 int size);

int writeI2CBytes(unsigned int adrSize, unsigned int regNum, void *src,
                  int size);

unsigned char readI2CRegByte(unsigned int adrSize, unsigned int regNum);

unsigned short readI2CRegShort(unsigned int adrSize, unsigned int regNum);

unsigned int readI2CRegInt(unsigned int adrSize, unsigned int regNum);

unsigned long long readI2CRegLongLong(unsigned int adrSize,
                                      unsigned int regNum);
int writeI2CRegByte(unsigned int adrSize, unsigned int regNum,
                    unsigned char regVal);
int writeI2CRegShort(unsigned int adrSize, unsigned int regNum,
                     unsigned short regVal);
int writeI2CRegInt(unsigned int adrSize, unsigned int regNum,
                   unsigned int regVal);
int writeI2CRegLongLong(unsigned int adrSize, unsigned int regNum,
                        unsigned long long regVal);

void i2c_delay();

#ifdef __cplusplus
}
#endif

#endif /* I2C_H */