LMK03318

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

/**

*

* @file ti_lmk03318.c

* @addtogroup TI_LMK03318

* @{

* 

* <pre>

* Copyright (c) 2016 Adeas B.V. All rights reserved.

*

* MODIFICATION HISTORY:

*

* Ver   Who    Date     Changes

* ----- ------ -------- --------------------------------------------------

* X.XX  XX     YY/MM/DD

* 1.00  RHe    16/06/20 Initial release. 

* </pre>

*

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


#include "ti_lmk03318.h"

#include "xiic.h"


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

/**

*

* This function send a single byte to the TI LMK03318  

*

* @param I2CBaseAddress is the baseaddress of the I2C core.

* @param I2CSlaveAddress is the 7-bit I2C slave address.

*

* @return

*    - XST_SUCCESS Initialization was successful.

*    - XST_FAILURE I2C write error.

*

* @note None.

*

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

static int TI_LMK03318_SetRegister(u32 I2CBaseAddress, u8 I2CSlaveAddress, u8 RegisterAddress, u8 Value)

{

        u32 ByteCount = 0;

        u8 Buffer[2];


        Buffer[0] = RegisterAddress; 

        Buffer[1] = Value; 

        ByteCount = XIic_Send(I2CBaseAddress, I2CSlaveAddress, (u8*)Buffer, 2, XIIC_STOP);


        if (ByteCount != 2) {

                return XST_FAILURE;

        }


        else

                return XST_SUCCESS;

}


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

/**

*

* This function send a single byte to the TI LMK03318  

*

* @param I2CBaseAddress is the baseaddress of the I2C core.

* @param I2CSlaveAddress is the 7-bit I2C slave address.

*

* @return

*    - XST_SUCCESS Initialization was successful.

*    - XST_FAILURE I2C write error.

*

* @note None.

*

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

static u8 TI_LMK03318_GetRegister(u32 I2CBaseAddress, u8 I2CSlaveAddress, u8 RegisterAddress)

{

        u32 ByteCount = 0;

        u8 Buffer[2];


        Buffer[0] = RegisterAddress; 

        ByteCount = XIic_Send(I2CBaseAddress, I2CSlaveAddress, (u8*)Buffer, 1, XIIC_REPEATED_START);

        ByteCount = XIic_Recv(I2CBaseAddress, I2CSlaveAddress, (u8*)Buffer, 1, XIIC_STOP);


        return Buffer[0];

}


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

/**

*

* This function modifies a single byte to the TI LMK03318  

*

* @param I2CBaseAddress is the baseaddress of the I2C core.

* @param I2CSlaveAddress is the 7-bit I2C slave address.

*

* @return

*    - XST_SUCCESS Initialization was successful.

*    - XST_FAILURE I2C write error.

*

* @note None.

*

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

static int TI_LMK03318_ModifyRegister(u32 I2CBaseAddress, u8 I2CSlaveAddress, u16 RegisterAddress, u8 Value, u8 Mask)

{

        u8 Data;

        int Result;


        // Read data

        Data = TI_LMK03318_GetRegister(I2CBaseAddress, I2CSlaveAddress, RegisterAddress);


        // Clear masked bits 

        Data &= ~Mask; 


        // Update

        Data |= (Value & Mask);


        // Write data

        Result = TI_LMK03318_SetRegister(I2CBaseAddress, I2CSlaveAddress, RegisterAddress, Data);


        return Result;

}


int TI_LMK03318_SetClock(u32 I2CBaseAddress, u8 I2CSlaveAddress, int FIn, int FOut, u8 FreeRun)

{

        return XST_FAILURE;

}


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

/**

*

* This function configures the TI LMK03318 to route the specified input port

* to the specified output port bypassing the PLL.

*

* @param I2CBaseAddress is the baseaddress of the I2C core.

* @param I2CSlaveAddress is the 7-bit I2C slave address.

* @param InPortID specifies the input port. Valid values are 0 to 1.

* @param OutPortID specifies the output port. Valid values are 4 to 7.

*

* @return

*    - XST_SUCCESS Initialization was successful.

*    - XST_FAILURE I2C write error or incorrect parameters detected.

*

* @note 

*

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

int TI_LMK03318_EnableBypass(u32 I2CBaseAddress, u8 I2CSlaveAddress, u8 InPortID, u8 OutPortID)

{

        if (InPortID > 1) {

                print("Invalid input port ID\n\r");

                return XST_FAILURE;

        }


        if (OutPortID < 4 || OutPortID > 7) {

                print("Invalid output port ID\n\r");

                return XST_FAILURE;

        }


        u32 ByteCount = 0;

        u8 Data = 0;

        u8 Buffer[32];

        u8 RegisterAddress = 37 + (OutPortID-4)*2; // OUTCTL_x register address


        Buffer[0] = RegisterAddress; 

        ByteCount = XIic_Send(I2CBaseAddress, I2CSlaveAddress, (u8*)Buffer, 1, XIIC_REPEATED_START);

        if (ByteCount != 1) {

                xil_printf("I2C write error: %d\n\r", ByteCount);

                return XST_FAILURE;

        }

        ByteCount = XIic_Recv(I2CBaseAddress, I2CSlaveAddress, (u8*)Buffer, 1, XIIC_STOP);

        if (ByteCount != 1) {

                xil_printf("I2C read error: %d\n\r", ByteCount);

                return XST_FAILURE;

        }

        Data = Buffer[0];

        // Clear the Clock Source Mux Control field

        Data &= ~(0x3<<6);


        // Set the Clock Source Mux Control field

        Data |= ((InPortID+2)<<6);


        Buffer[0] = RegisterAddress; 

        Buffer[1] = Data; 

        ByteCount = XIic_Send(I2CBaseAddress, I2CSlaveAddress, (u8*)Buffer, 2, XIIC_STOP);

        if (ByteCount != 2) {

                xil_printf("I2C write error: %d\n\r", ByteCount);

                return XST_FAILURE;

        }


        return XST_SUCCESS;

}


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

/**

*

* This function initializes the TI LMK03318 with default values

* for use with the Video FMC.

*

* @param I2CBaseAddress is the baseaddress of the I2C core.

* @param I2CSlaveAddress is the 7-bit I2C slave address.

*

* @return

*    - XST_SUCCESS Initialization was successful.

*    - XST_FAILURE I2C write error.

*

* @note None.

*

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

int TI_LMK03318_Init(u32 I2CBaseAddress, u8 I2CSlaveAddress)

{

//        u32 ByteCount = 0;

//        u8 Data = 0;

//        u8 Buffer[32];

        int Result;


        // Register 29

        // Set input reference clock features

        Result = TI_LMK03318_SetRegister(I2CBaseAddress, I2CSlaveAddress, 29, 0x0f);


        // Register 50

        // Set input buffer

        Result = TI_LMK03318_SetRegister(I2CBaseAddress, I2CSlaveAddress, 50, 0x50);


        // Register 30

        // Power down register

        Result = TI_LMK03318_ModifyRegister(I2CBaseAddress, I2CSlaveAddress, 30, 0x00, 0x54);


        // Register 37

        // Set Q4 output

        Result = TI_LMK03318_SetRegister(I2CBaseAddress, I2CSlaveAddress, 37, 0x92);


        // Register 41

        // Set Q6 output

        Result = TI_LMK03318_SetRegister(I2CBaseAddress, I2CSlaveAddress, 41, 0x92);




/*

        // Issue a Software Reset.

        Buffer[0] = 12; // DEV_CTL register address

        Buffer[1] = 0x59; // R12 -> RESETN_SW = 0, the rest is default.

        ByteCount = XIic_Send(I2CBaseAddress, I2CSlaveAddress, (u8*)Buffer, 2, XIIC_STOP);

        if (ByteCount != 2) {

                return XST_FAILURE;

        }

        

        // Release Software Reset.

        Buffer[0] = 12; // DEV_CTL register address

        Buffer[1] = 0xD9; // R12 -> RESETN_SW = 1, the rest is default.

        ByteCount = XIic_Send(I2CBaseAddress, I2CSlaveAddress, (u8*)Buffer, 2, XIIC_STOP);

        if (ByteCount != 2) {

                return XST_FAILURE;

        }

        

        // Set the default output modes

        // CK_OUT0/1 are not connected on the VFMC, so disable these outputs.

        // CK_OUT2/3 are configured as AC LVDS.

        // CK_OUT4/5/6/7 are configured as AC LVPECL.

        Buffer[0] = 31; // OUTCTL_0 register address

        Buffer[1] = 0x00; // R31 -> CK_OUT0 disabled

        Buffer[2] = 0x00; // R32 -> CK_OUT1 disabled

        Buffer[3] = 0x01; // R33 -> CK_OUT0/1 DIV Default

        Buffer[4] = 0x20; // R34 -> CK_OUT2 AC-LVDS 4mA

        Buffer[5] = 0x20; // R35 -> CK_OUT3 AC-LVDS 4mA

        Buffer[6] = 0x03; // R36 -> CK_OUT2/3 DIV Default

        Buffer[7] = 0x18; // R37 -> CK_OUT4 AC-LVPECL 8mA, source is PLL

        Buffer[8] = 0x02; // R38 -> CK_OUT4 DIV Default

        Buffer[9] = 0x18; // R39 -> CK_OUT5 AC-LVPECL 8mA, source is PLL

        Buffer[10] = 0x02; // R40 -> CK_OUT5 DIV Default

        Buffer[11] = 0x18; // R41 -> CK_OUT6 AC-LVPECL 8mA, source is PLL

        Buffer[12] = 0x05; // R42 -> CK_OUT6 DIV Default

        Buffer[13] = 0x18; // R43 -> CK_OUT7 AC-LVPECL 8mA, source is PLL

        Buffer[14] = 0x05; // R44 -> CK_OUT7 DIV Default

        ByteCount = XIic_Send(I2CBaseAddress, I2CSlaveAddress, (u8*)Buffer, 15, XIIC_STOP);

        if (ByteCount != 15) {

                return XST_FAILURE;

        }


        // Set the default input modes

        Buffer[0] = 29; // OSCCTL1 register address

        Buffer[1] = 0x0f; // R29 -> PRI/SEC internal 100-Ohm termination, PRI/SEC external AC coupling

        ByteCount = XIic_Send(I2CBaseAddress, I2CSlaveAddress, (u8*)Buffer, 2, XIIC_STOP);

        if (ByteCount != 2) {

                return XST_FAILURE;

        }

        

        // PRIREF and SECREF are configured as differential input.

        Buffer[0] = 50; // IPCLKSEL register address

        Buffer[1] = 0x50; // R50 -> PRIREF/SECREF Dif input, input mode -> automatic

        ByteCount = XIic_Send(I2CBaseAddress, I2CSlaveAddress, (u8*)Buffer, 2, XIIC_STOP);

        if (ByteCount != 2) {

                return XST_FAILURE;

        }

        

        // Disable the Secondary Reference Doubler

        Buffer[0] = 72; // SEC_CTRL register address

        Buffer[1] = 0x08; // R72 -> Secondary Reference Doubler disabled.

        ByteCount = XIic_Send(I2CBaseAddress, I2CSlaveAddress, (u8*)Buffer, 2, XIIC_STOP);

        if (ByteCount != 2) {

                return XST_FAILURE;

        }

*/

        return XST_SUCCESS;

}


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

/**

*

* This function puts the TI LMK03318 into sleep 

*

* @param I2CBaseAddress is the baseaddress of the I2C core.

* @param I2CSlaveAddress is the 7-bit I2C slave address.

*

* @return

*    - XST_SUCCESS Initialization was successful.

*    - XST_FAILURE I2C write error.

*

* @note None.

*

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

int TI_LMK03318_PowerDown(u32 I2CBaseAddress, u8 I2CSlaveAddress)

{


        // Register 29

        TI_LMK03318_SetRegister(I2CBaseAddress, I2CSlaveAddress, 29, 0x03);


        // Register 30

        TI_LMK03318_SetRegister(I2CBaseAddress, I2CSlaveAddress, 30, 0x3f);


        // Register 31

        TI_LMK03318_SetRegister(I2CBaseAddress, I2CSlaveAddress, 31, 0x00);


        // Register 32

        TI_LMK03318_SetRegister(I2CBaseAddress, I2CSlaveAddress, 32, 0x00);


        // Register 34

        TI_LMK03318_SetRegister(I2CBaseAddress, I2CSlaveAddress, 34, 0x00);


        // Register 35

        TI_LMK03318_SetRegister(I2CBaseAddress, I2CSlaveAddress, 35, 0x00);


        // Register 37

        TI_LMK03318_SetRegister(I2CBaseAddress, I2CSlaveAddress, 37, 0x00);


        // Register 39

        TI_LMK03318_SetRegister(I2CBaseAddress, I2CSlaveAddress, 39, 0x00);


        // Register 41

        TI_LMK03318_SetRegister(I2CBaseAddress, I2CSlaveAddress, 41, 0x00);


        // Register 43

        TI_LMK03318_SetRegister(I2CBaseAddress, I2CSlaveAddress, 43, 0x00);


        // Register 50

        TI_LMK03318_SetRegister(I2CBaseAddress, I2CSlaveAddress, 50, 0xf6);


        // Register 56

        TI_LMK03318_SetRegister(I2CBaseAddress, I2CSlaveAddress, 56, 0x01);


return XST_SUCCESS;

}


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

/**

*

* This function displays a registerdump of the TI LMK03318 device.

*

* @param I2CBaseAddress is the baseaddress of the I2C core.

* @param I2CSlaveAddress is the 7-bit I2C slave address.

*

* @return None

*

* @note None.

*

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

void TI_LMK03318_RegisterDump(u32 I2CBaseAddress, u8 I2CSlaveAddress)

{

        u32 ByteCount = 0;

        u8 Buffer[256];

        int i;


        print("\n\r");

        print("-----------------------\n\r");

        print("- TI LMK03381 I2C dump:\n\r");

        print("-----------------------\n\r");

        Buffer[0] = 0;

        ByteCount = XIic_Send(I2CBaseAddress, I2CSlaveAddress, (u8*)Buffer, 1, XIIC_REPEATED_START);

        if (ByteCount != 1) {

                xil_printf("I2C write error: %d\n\r", ByteCount);

        }

        ByteCount = XIic_Recv(I2CBaseAddress, I2CSlaveAddress, (u8*)Buffer, 145, XIIC_STOP);

        if (ByteCount != 145) {

                xil_printf("I2C read error: %d\n\r", ByteCount);

        }


        xil_printf("      ");

        for (i=0; i<10; i++)

                xil_printf("+%01d ", i);


        xil_printf("\n\r      ");

        for (i=0; i<10; i++)

                xil_printf("---");


        for (i = 0; i < ByteCount; i++) {

                if ((i % 10) == 0) {

                        xil_printf("\n\r%02d : ", i);

                }

                xil_printf("%02x ", Buffer[i]);

        }


        print("\n\r");

}

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