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.
}
LONG CalcRCLK()
{
// BYTE uc ;
int i ;
long sum, RCLKCNT ;
InitCEC();
sum = 0 ;
for( i = 0 ; i < 5 ; i++ )
{
// uc = CEC_ReadI2C_Byte(0x09) & 0xFE ;
CEC_WriteI2C_Byte(0x09, 1);
delay1ms(100);
CEC_WriteI2C_Byte(0x09, 0);
RCLKCNT = CEC_ReadI2C_Byte(0x47);
RCLKCNT <<= 8 ;
RCLKCNT |= CEC_ReadI2C_Byte(0x46);
RCLKCNT <<= 8 ;
RCLKCNT |= CEC_ReadI2C_Byte(0x45);
// HDMITX_DEBUG_PRINTF1(("RCLK = %ld\n",RCLKCNT) );
sum += RCLKCNT ;
}
DisableCEC();
RCLKCNT = sum * 32 ;
HDMITX_DEBUG_PRINTF(("RCLK = %ld,%03ld,%03ld\n",RCLKCNT/1000000,(RCLKCNT%1000000)/1000,RCLKCNT%1000));
return RCLKCNT ;
}
void cat66121_hdmi_interrupt(void)
{
char sysstat = 0;
mutex_lock(&handler_mutex);
sysstat = HDMITX_ReadI2C_Byte(REG_TX_SYS_STATUS);
if(sysstat & B_TX_INT_ACTIVE){
char intdata1,intdata2,intdata3;
intdata1 = HDMITX_ReadI2C_Byte(REG_TX_INT_STAT1);
intdata2 = HDMITX_ReadI2C_Byte(REG_TX_INT_STAT2);
intdata3 = HDMITX_ReadI2C_Byte(REG_TX_INT_STAT3);
HDMITX_DEBUG_PRINTF(("REG_TX_INT_STAT1=%x \n",intdata1));
HDMITX_DEBUG_PRINTF(("REG_TX_INT_STAT2=%x \n",intdata2));
HDMITX_DEBUG_PRINTF(("REG_TX_INT_STAT3=%x \n",intdata3));
if(getHDMI_PowerStatus()==FALSE){
HDMITX_PowerOn();
}
/******* Clear interrupt **********/
cat66121_InterruptClr();
/******** handler interrupt event ********/
if(intdata1 & B_TX_INT_DDCFIFO_ERR)
{
HDMITX_DEBUG_PRINTF(("DDC FIFO Error.\n"));
hdmitx_ClearDDCFIFO();
}
if(intdata1 & B_TX_INT_DDC_BUS_HANG)
{
HDMITX_DEBUG_PRINTF(("DDC BUS HANG.\n"));
hdmitx_AbortDDC();
}
if(intdata1 & B_TX_INT_AUD_OVERFLOW ){
HDMITX_DEBUG_PRINTF(("AUDIO FIFO OVERFLOW.\n"));
HDMITX_OrReg_Byte(REG_TX_SW_RST,(B_HDMITX_AUD_RST|B_TX_AREF_RST));
HDMITX_AndReg_Byte(REG_TX_SW_RST,~(B_HDMITX_AUD_RST|B_TX_AREF_RST));
}
if(intdata3 & B_TX_INT_VIDSTABLE)
{
sysstat = HDMITX_ReadI2C_Byte(REG_TX_SYS_STATUS);
if(sysstat & B_TXVIDSTABLE)
{
hdmitx_FireAFE();
}
}
#ifdef SUPPORT_HDCP
if(intdata2 & B_TX_INT_AUTH_FAIL){
if(getHDMITX_LinkStatus())
{
// AudioModeDetect();
if(getHDMITX_AuthenticationDone() ==FALSE)
{
HDMITX_DEBUG_PRINTF(("getHDMITX_AuthenticationDone() ==FALSE\n") );
HDMITX_EnableHDCP(TRUE);
setHDMITX_AVMute(FALSE);
}
}
}else if(intdata2 & B_TX_INT_AUTH_DONE){
HDMITX_SetI2C_Byte(REG_TX_INT_MASK2, B_TX_AUTH_DONE_MASK, B_TX_AUTH_DONE_MASK);
HDMITX_DEBUG_PRINTF(("getHDMITX_AuthenticationDone() ==SUCCESS\n") );
}
#endif
if(intdata1 & B_TX_INT_HPD_PLUG){
if(sysstat & B_TX_HPDETECT){
HDMITX_DEBUG_PRINTF(("HPD plug\n") );
}else{
HDMITX_DEBUG_PRINTF(("HPD unplug\n") );
}
if(hdmi->state == HDMI_SLEEP)
hdmi->state = WAIT_HOTPLUG;
queue_delayed_work(hdmi->workqueue, &hdmi->delay_work, msecs_to_jiffies(0));
}
}
mutex_unlock(&handler_mutex);
}
