void v_EepromCs76Read(unsigned int dw_Address, unsigned short w_offset, unsigned short *pw_Value)
{
char c_BitPos = 0;
unsigned int dw_RegisterValue = 0;
unsigned int dw_RegisterValueRead = 0;
/*************************************************/
/* Send EEPROM read command and offset to EEPROM */
/*************************************************/
v_EepromSendCommand76(dw_Address, (EE_READ << 4) | (w_offset / 2),
EE76_CMD_LEN);
/*******************************/
/* Get the last register value */
/*******************************/
dw_RegisterValue = (((w_offset / 2) & 0x1) << 2) | 0x2;
/*****************************/
/* Set the 16-bit value of 0 */
/*****************************/
*pw_Value = 0;
/************************/
/* Get the 16-bit value */
/************************/
for (c_BitPos = 0; c_BitPos < 16; c_BitPos++)
{
/****************************/
/* Trigger the EEPROM clock */
/****************************/
v_EepromClock76(dw_Address, dw_RegisterValue);
/**********************/
/* Get the result bit */
/**********************/
dw_RegisterValueRead = inl(dw_Address);
/***************/
/* Wait 0.1 ms */
/***************/
udelay(100);
/***************************************/
/* Get bit value and shift into result */
/***************************************/
if (dw_RegisterValueRead & 0x8)
{
/**********/
/* Read 1 */
/**********/
*pw_Value = (*pw_Value << 1) | 0x1;
}
else
{
/**********/
/* Read 0 */
/**********/
*pw_Value = (*pw_Value << 1);
}
}
/*************************/
/* Clear all EEPROM bits */
/*************************/
dw_RegisterValue = 0x0;
/********************************************************************/
/* Toggle EEPROM's Chip select to get it out of Shift Register Mode */
/********************************************************************/
outl(dw_RegisterValue, dw_Address);
/***************/
/* Wait 0.1 ms */
/***************/
udelay(100);
}
void v_EepromCs76Read(unsigned int dw_Address, unsigned short w_offset, unsigned short *pw_Value)
{
char c_BitPos = 0;
unsigned int dw_RegisterValue = 0;
unsigned int dw_RegisterValueRead = 0;
v_EepromSendCommand76(dw_Address, (EE_READ << 4) | (w_offset / 2),
EE76_CMD_LEN);
dw_RegisterValue = (((w_offset / 2) & 0x1) << 2) | 0x2;
*pw_Value = 0;
for (c_BitPos = 0; c_BitPos < 16; c_BitPos++)
{
v_EepromClock76(dw_Address, dw_RegisterValue);
dw_RegisterValueRead = inl(dw_Address);
udelay(100);
if (dw_RegisterValueRead & 0x8)
{
*pw_Value = (*pw_Value << 1) | 0x1;
}
else
{
*pw_Value = (*pw_Value << 1);
}
}
dw_RegisterValue = 0x0;
outl(dw_RegisterValue, dw_Address);
udelay(100);
}
