void cat66121_InterruptClr(void)
{
char intclr3,intdata4;
intdata4= HDMITX_ReadI2C_Byte(0xEE);
HDMITX_DEBUG_PRINTF(("REG_TX_INT_STAT4=%x \n",intdata4));
intclr3 = (HDMITX_ReadI2C_Byte(REG_TX_SYS_STATUS))|B_TX_CLR_AUD_CTS | B_TX_INTACTDONE ;
if( intdata4 )
{
HDMITX_WriteI2C_Byte(0xEE,intdata4); // clear ext interrupt ;
HDMITX_DEBUG_PRINTF(("%s%s%s%s%s%s%s\n",
(intdata4&0x40)?"video parameter change \n":"",
(intdata4&0x20)?"HDCP Pj check done \n":"",
(intdata4&0x10)?"HDCP Ri check done \n":"",
(intdata4&0x8)? "DDC bus hang \n":"",
(intdata4&0x4)? "Video input FIFO auto reset \n":"",
(intdata4&0x2)? "No audio input interrupt \n":"",
(intdata4&0x1)? "Audio decode error interrupt \n":""));
}
HDMITX_WriteI2C_Byte(REG_TX_INT_CLR0,0xFF);
HDMITX_WriteI2C_Byte(REG_TX_INT_CLR1,0xFF);
HDMITX_WriteI2C_Byte(REG_TX_SYS_STATUS,intclr3); // clear interrupt.
intclr3 &= ~(B_TX_INTACTDONE);
HDMITX_WriteI2C_Byte(REG_TX_SYS_STATUS,intclr3); // INTACTDONE reset to zero.
}
SYS_STATUS HDMITX_SetI2C_Byte(BYTE Reg,BYTE Mask,BYTE Value)
{
BYTE Temp;
if( Mask != 0xFF )
{
Temp=HDMITX_ReadI2C_Byte(Reg);
Temp&=(~Mask);
Temp|=Value&Mask;
}
else
{
Temp=Value;
}
return HDMITX_WriteI2C_Byte(Reg,Temp);
}
LONG CalcPCLK()
{
BYTE uc, div ;
int i ;
long sum , count, PCLK ;
Switch_HDMITX_Bank(0);
uc = HDMITX_ReadI2C_Byte(0x5F) & 0x80 ;
if( ! uc )
{
return 0 ;
}
// InitCEC();
// // uc = CEC_ReadI2C_Byte(0x09) & 0xFE ;
// CEC_WriteI2C_Byte(0x09, 1);
// delay1ms(100);
// CEC_WriteI2C_Byte(0x09, 0);
// RCLK = CEC_ReadI2C_Byte(0x47);
// RCLK <<= 8 ;
// RCLK |= CEC_ReadI2C_Byte(0x46);
// RCLK <<= 8 ;
// RCLK |= CEC_ReadI2C_Byte(0x45);
// DisableCEC();
// // RCLK *= 160 ; // RCLK /= 100 ;
// // RCLK in KHz.
HDMITX_SetI2C_Byte(0xD7, 0xF0, 0x80);
delay1ms(1);
HDMITX_SetI2C_Byte(0xD7, 0x80, 0x00);
count = HDMITX_ReadI2C_Byte(0xD7) & 0xF ;
count <<= 8 ;
count |= HDMITX_ReadI2C_Byte(0xD8);
for( div = 7 ; div > 0 ; div-- )
{
// printf("div = %d\n",(int)div) ;
if(count < (1<<(11-div)) )
{
break ;
}
}
HDMITX_SetI2C_Byte(0xD7, 0x70, div<<4);
uc = HDMITX_ReadI2C_Byte(0xD7) & 0x7F ;
for( i = 0 , sum = 0 ; i < 100 ; i ++ )
{
HDMITX_WriteI2C_Byte(0xD7, uc|0x80) ;
delay1ms(1);
HDMITX_WriteI2C_Byte(0xD7, uc) ;
count = HDMITX_ReadI2C_Byte(0xD7) & 0xF ;
count <<= 8 ;
count |= HDMITX_ReadI2C_Byte(0xD8);
sum += count ;
}
sum /= 100 ; count = sum ;
HDMITX_DEBUG_PRINTF1(("RCLK(in GetPCLK) = %ld\n",hdmiTxDev[0].RCLK));
HDMITX_DEBUG_PRINTF1(("div = %d, count = %d\n",(int)div,(int)count) );
HDMITX_DEBUG_PRINTF1(("count = %ld\n",count) );
PCLK = hdmiTxDev[0].RCLK * 128 / count * 16 ;
PCLK *= (1<<div);
if( HDMITX_ReadI2C_Byte(0x70) & 0x10 )
{
PCLK /= 2 ;
}
HDMITX_DEBUG_PRINTF1(("PCLK = %ld\n",PCLK) );
return PCLK ;
}
