uda1380.c

#include "../../board.h"

#if BOARD == BOARD_EA4357

#include "lpc43xx_i2c.h"
#include "lpc43xx_scu.h"
#include "uda1380.h"

//Uda1380 link to I2C0 only
#define UDA1380_I2C     LPC_I2C0



/*********************************************************************/
int32_t Uda1380_Init(uint32_t i2cClockFreq, uint32_t i2sClockFreq)
{
  int32_t ret;
    uint8_t clk;
    
//  // Config Pin for I2C_SDA and I2C_SCL of I2C0
//  scu_pinmux( 2   ,   3   ,   MD_PLN_FAST,    FUNC1   );
//  scu_pinmux( 2   ,   4   ,   MD_PLN_FAST,    FUNC1   );

    I2C_Init(UDA1380_I2C, i2cClockFreq);

    /* Enable I2C1 operation */
    I2C_Cmd(UDA1380_I2C, ENABLE);

    /* Reset */
    ret = Uda1380_WriteData(UDA1380_REG_L3, 0 );
    if(ret != UDA1380_FUNC_OK)
        return ret;

    /* Write clock settings */
    ret = Uda1380_WriteData(UDA1380_REG_I2S,0 );
    if(ret != UDA1380_FUNC_OK)
        return ret;

    ret = Uda1380_WriteData(UDA1380_REG_MSTRMUTE,0);
    if(ret != UDA1380_FUNC_OK)
        return ret;
    
    ret = Uda1380_WriteData(UDA1380_REG_MIXSDO,0);
    if(ret != UDA1380_FUNC_OK)
        return ret;

#if UDA1380_SYSCLK_USED //Use SYSCLK
    ret = Uda1380_WriteData(UDA1380_REG_EVALCLK, 
           EVALCLK_DEC_EN | EVALCLK_DAC_EN | EVALCLK_INT_EN | EVALCLK_DAC_SEL_SYSCLK );
    if(ret != UDA1380_FUNC_OK)
        return ret;
    
    ret = Uda1380_WriteData(UDA1380_REG_PWRCTRL,
                      PWR_PON_HP_EN | PWR_PON_DAC_EN | PWR_PON_BIAS_EN);
    if(ret != UDA1380_FUNC_OK)
        return ret;
    
#else //Use WSPLL   
    if(i2sClockFreq >= 6250 && i2sClockFreq < 12500)
        clk = EVALCLK_WSPLL_SEL6_12K;
    else if(i2sClockFreq >= 12501 && i2sClockFreq < 25000)  
        clk = EVALCLK_WSPLL_SEL12_25K;
    else if(i2sClockFreq >= 25001 && i2sClockFreq < 50000)
        clk = EVALCLK_WSPLL_SEL25_50K;
    else if(i2sClockFreq >= 50001 && i2sClockFreq < 100000)
        clk = EVALCLK_WSPLL_SEL50_100K;
    else
        clk= 0;
        
    ret = Uda1380_WriteData(UDA1380_REG_EVALCLK, 
                     EVALCLK_DEC_EN | EVALCLK_DAC_EN | EVALCLK_INT_EN | EVALCLK_DAC_SEL_WSPLL | clk);
    if(ret != UDA1380_FUNC_OK)
        return ret;
    
    ret = Uda1380_WriteData(UDA1380_REG_PWRCTRL,
                      PWR_PON_PLL_EN | PWR_PON_HP_EN | PWR_PON_DAC_EN | PWR_PON_BIAS_EN);
    if(ret != UDA1380_FUNC_OK)
        return ret;
#endif
    return UDA1380_FUNC_OK;
}

/*********************************************************************/
int32_t Uda1380_WriteData(uint8_t reg, uint16_t data)
{
    I2C_M_SETUP_Type i2cData;
    uint8_t i2cBuf[UDA1380_CMD_BUFF_SIZE];

    i2cBuf[0] = reg;
    i2cBuf[1] = (data >> 8) & 0xFF;
    i2cBuf[2] = data & 0xFF;
    
    i2cData.sl_addr7bit = UDA1380_SLAVE_ADDR;
    i2cData.tx_length = UDA1380_CMD_BUFF_SIZE;
    i2cData.tx_data = i2cBuf;
    i2cData.rx_data = NULL;
    i2cData.rx_length = 0;
    i2cData.retransmissions_max = 3;    
    
    if (I2C_MasterTransferData(UDA1380_I2C, &i2cData, I2C_TRANSFER_POLLING) == SUCCESS)
    {
        uint16_t dataTmp; 
        if(Uda1380_ReadData(reg, &dataTmp) != UDA1380_FUNC_OK) {
            return UDA1380_FUNC_ERR;
        }
        if(dataTmp != data)
            return UDA1380_FUNC_ERR;
        
        return UDA1380_FUNC_OK;
    }

    return UDA1380_FUNC_ERR;
}


/*********************************************************************/
int32_t Uda1380_ReadData(uint8_t reg, uint16_t *data)
{
    I2C_M_SETUP_Type i2cData;
    uint8_t i2cBuf[UDA1380_CMD_BUFF_SIZE];

    if(data == NULL)
        return UDA1380_FUNC_ERR;

    i2cBuf[0] = reg;
    
    i2cData.sl_addr7bit = UDA1380_SLAVE_ADDR;
    i2cData.tx_length = 1;
    i2cData.tx_data = i2cBuf;
    i2cData.rx_data = &i2cBuf[1];
    i2cData.rx_length = UDA1380_CMD_BUFF_SIZE - 1;
    i2cData.retransmissions_max = 3;    
    
    if (I2C_MasterTransferData(UDA1380_I2C, &i2cData, I2C_TRANSFER_POLLING) == SUCCESS)
    {
        *data = i2cBuf[1] << 8 | i2cBuf[2];
        return UDA1380_FUNC_OK;
    }

    return UDA1380_FUNC_ERR;
}

#endif