int main()
{
bool bRxVideoOn = FALSE, bTxSinkOn = FALSE, bRxModeChanged = FALSE;
alt_u8 led_mask;
alt_u32 BlinkTime;
bool bHwNg = FALSE;
// disable color depth if button1 is pressed when system boot.
gEnableColorDepth = ((~IORD(PIO_BUTTON_BASE,0)) & 0x02)?0:1;
OS_PRINTF("\n======== HDMI Demo REMIX by gh00st==============\n");
//-------------------------------
// HDMI TX init
//-------------------------------
#ifndef TX_DISABLED
if (!HDMITX_Init()) {
printf("Failed to find CAT6613 HDMI-TX Chip.\n");
bHwNg = TRUE;
//return 0;
}
// init tx i2s irq
THDMI_TX_I2S_Start();
IOWR(I2S_TX_BASE, I2S_REG_IRQ_CLEAR, 0x00); //clear interrupt flag
// hdmi i2s irq
if ((alt_irq_register(I2S_TX_IRQ, (void *)0, i2s_isr) != 0))
OS_PRINTF("[I2S]register callback fail\n");
else
OS_PRINTF("[I2S]register callback success\n");
//
// button irq for generate audio
// enable interrupt, button0/1
IOWR_ALTERA_AVALON_PIO_IRQ_MASK(PIO_BUTTON_BASE, 0x03);
// Reset the edge capture register
IOWR_ALTERA_AVALON_PIO_EDGE_CAP(PIO_BUTTON_BASE,0);
if ((alt_irq_register(PIO_BUTTON_IRQ, (void *)0, button_isr) != 0))
OS_PRINTF("[I2S]register button callback fail\n");
else
OS_PRINTF("[I2S]register button callback success\n");
//
#endif //TX_DISABLED
//-------------------------------
// HDMI RX init
//-------------------------------
#ifndef RX_DISABLED
IOWR(HDMI_RX_HPD_N_BASE, 0, 0x03); // pull-low hdmi connector hpd
OS_DelayMS(1); // 1 ms
if (!HDMIRX_Init(RX_PORT_AUTO))
bHwNg = TRUE;
IOWR(HDMI_RX_HPD_N_BASE, 0, 0x00); // pull-high hdmi connector hpd
#endif //RX_ENABLED
// gh00st
SelectHDMIPort(CAT_HDMI_PORTA);
InitIT6605();
//HDMIRX_DevLoopProc();
SelectHDMIPort(CAT_HDMI_PORTB);
InitIT6605();
//HDMIRX_DevLoopProc();
//
IOWR(HDMI_RX_SYNC_BASE, 0,0x00);
led_mask = ~0x01;
IOWR(PIO_LED_BASE, 0, led_mask);
BlinkTime = alt_nticks() + alt_ticks_per_second()/4;
if (bHwNg) {
led_mask = 0x00;
while(1) {
if (alt_nticks() > BlinkTime) {
IOWR(PIO_LED_BASE, 0, led_mask);
led_mask ^= 0xFF;
BlinkTime = alt_nticks() + alt_ticks_per_second()/4;
}
}
}
//-------------------------------
// MAIN LOOP
//-------------------------------
while(1) {
#ifndef TX_DISABLED
//========== TX
if (HDMITX_DevLoopProc() || bRxModeChanged) {
bTxSinkOn = HDMITX_HPD();
if (bTxSinkOn) {
// update state
gDemoMode = bRxVideoOn?DEMO_LOOPBACK: DEMO_TX_ONLY;
//
HDMITX_DisableVideoOutput();
if (gDemoMode == DEMO_TX_ONLY) {
// tx-only
VPG_Config(gVpgMode, gVpgColor);
SetupTxVIC(gVpgMode);
}
SetupColorSpace();
HDMITX_EnableVideoOutput();
} else {
HDMITX_DisableVideoOutput();
}
}
#endif //
#ifndef RX_DISABLED
//========== RX
bRxModeChanged = HDMIRX_DevLoopProc();
if (HDMIRX_IsVideoOn() ^ bRxVideoOn) {
bRxVideoOn = HDMIRX_IsVideoOn();
IOWR(HDMI_RX_SYNC_BASE, 0, bRxVideoOn?0x01:0x00);
OS_PRINTF("[RX]Video On:%s\n", bRxVideoOn?"Yes":"No");
// update state
gDemoMode = !bTxSinkOn?DEMO_READY:(bRxVideoOn?DEMO_LOOPBACK:DEMO_TX_ONLY);
}
if (bRxModeChanged && bRxVideoOn) {
OS_PRINTF("XXXXXX \n");
#ifndef TX_DISABLED
// bypass AviInfoFrame from source to sink
alt_u8 VIC, ColorMode;
bool b16x9, bITU709;
if (HDMIRX_GetAVIInfoFrame(&VIC, &ColorMode, &b16x9, &bITU709)) {
OS_PRINTF("YYYYYYY \n");
HDMITX_ChangeVideoTimingAndColor(VIC, ColorMode);
}
//SetupColorSpace();
#endif
}
#endif //RX_ENABLED
//===== LED indication
if (alt_nticks() > BlinkTime) {
led_mask ^= 0x03;
led_mask |= ~0x03;
if (HDMITX_HPD())
led_mask &= ~0x04; // rx-source available (led is low-active)
if (bRxVideoOn)
led_mask &= ~0x08; // rx-source available (led is low-active)
IOWR(PIO_LED_BASE, 0, led_mask);
//led_mask ^= 0xFF;
BlinkTime = alt_nticks() + alt_ticks_per_second()/4;
}
#if 0 // (DEBUG Purpose) dump register if button is pressed
alt_u8 mask;
mask = (~IORD(PIO_BUTTON_BASE,0)) & 0x03; // active low (PCI)
if ((mask & 0x01) == 0x01) { // BUTTON[0]
HDMITX_DumpAllReg();
HDMIRX_DumpAllReg();
}
#endif
}
}
int cat66121_hdmi_sys_config_video(struct hdmi_video_para *vpara)
{
struct fb_videomode *mode;
HDMI_Aspec aspec ;
HDMI_Colorimetry Colorimetry ;
VIDEOPCLKLEVEL level ;
if(vpara == NULL) {
hdmi_err(hdmi->dev, "[%s] input parameter error\n", __FUNCTION__);
return -1;
}
// output Color mode
switch(vpara->output_color)
{
case HDMI_COLOR_YCbCr444:
bOutputColorMode = F_MODE_YUV444 ;
break ;
case HDMI_COLOR_YCbCr422:
bOutputColorMode = F_MODE_YUV422 ;
break ;
case HDMI_COLOR_RGB:
default:
bOutputColorMode = F_MODE_RGB444 ;
break ;
}
// Set ext video
mode = (struct fb_videomode *)hdmi_vic_to_videomode(vpara->vic);
if(mode == NULL)
{
hdmi_err(hdmi->dev, "[%s] not found vic %d\n", __FUNCTION__, vpara->vic);
return -ENOENT;
}
hdmi->tmdsclk = mode->pixclock;
switch(vpara->vic)
{
case HDMI_640x480p60:
pixelrep = 0 ;
aspec = HDMI_4x3 ;
Colorimetry = HDMI_ITU601 ;
break ;
case HDMI_480p60:
pixelrep = 0 ;
aspec = HDMI_4x3 ;
Colorimetry = HDMI_ITU601 ;
break ;
case HDMI_480p60_16x9:
pixelrep = 0 ;
aspec = HDMI_16x9 ;
Colorimetry = HDMI_ITU601 ;
break ;
case HDMI_720p60:
pixelrep = 0 ;
aspec = HDMI_16x9 ;
Colorimetry = HDMI_ITU709 ;
break ;
case HDMI_1080i60:
pixelrep = 0 ;
aspec = HDMI_16x9 ;
Colorimetry = HDMI_ITU709 ;
break ;
case HDMI_480i60:
pixelrep = 1 ;
aspec = HDMI_4x3 ;
Colorimetry = HDMI_ITU601 ;
break ;
case HDMI_480i60_16x9:
pixelrep = 1 ;
aspec = HDMI_16x9 ;
Colorimetry = HDMI_ITU601 ;
break ;
case HDMI_1080p60:
pixelrep = 0 ;
aspec = HDMI_16x9 ;
Colorimetry = HDMI_ITU709 ;
break ;
case HDMI_576p50:
pixelrep = 0 ;
aspec = HDMI_4x3 ;
Colorimetry = HDMI_ITU601 ;
break ;
case HDMI_576p50_16x9:
pixelrep = 0 ;
aspec = HDMI_16x9 ;
Colorimetry = HDMI_ITU601 ;
break ;
case HDMI_720p50:
pixelrep = 0 ;
aspec = HDMI_16x9 ;
Colorimetry = HDMI_ITU709 ;
break ;
case HDMI_1080i50:
pixelrep = 0 ;
aspec = HDMI_16x9 ;
Colorimetry = HDMI_ITU709 ;
break ;
case HDMI_576i50:
pixelrep = 1 ;
aspec = HDMI_4x3 ;
Colorimetry = HDMI_ITU601 ;
break ;
case HDMI_576i50_16x9:
pixelrep = 1 ;
aspec = HDMI_16x9 ;
Colorimetry = HDMI_ITU601 ;
break ;
case HDMI_1080p50:
pixelrep = 0 ;
aspec = HDMI_16x9 ;
Colorimetry = HDMI_ITU709 ;
break ;
case HDMI_1080p24:
pixelrep = 0 ;
aspec = HDMI_16x9 ;
Colorimetry = HDMI_ITU709 ;
break ;
case HDMI_1080p25:
pixelrep = 0 ;
aspec = HDMI_16x9 ;
Colorimetry = HDMI_ITU709 ;
break ;
case HDMI_1080p30:
pixelrep = 0 ;
aspec = HDMI_16x9 ;
Colorimetry = HDMI_ITU709 ;
break ;
case HDMI_720p30:
pixelrep = 0 ;
aspec = HDMI_16x9 ;
Colorimetry = HDMI_ITU709 ;
default:
aspec = HDMI_16x9 ;
Colorimetry = HDMI_ITU709 ;
}
if( Colorimetry == HDMI_ITU709 )
{
bInputColorMode |= F_VIDMODE_ITU709 ;
}
else
{
bInputColorMode &= ~F_VIDMODE_ITU709 ;
}
if( vpara->vic != HDMI_640x480p60)
{
bInputColorMode |= F_VIDMODE_16_235 ;
}
else
{
bInputColorMode &= ~F_VIDMODE_16_235 ;
}
if( (hdmi->tmdsclk*(pixelrep+1))>80000000L )
{
level = PCLK_HIGH ;
}
else if((hdmi->tmdsclk*(pixelrep+1))>20000000L)
{
level = PCLK_MEDIUM ;
}
else
{
level = PCLK_LOW ;
}
HDMITX_EnableVideoOutput(level,bInputColorMode,bOutputColorMode ,vpara->output_mode);
if(vpara->output_mode == OUTPUT_HDMI) {
cat66121_sys_config_avi(vpara->vic, bOutputColorMode, aspec, Colorimetry, pixelrep);
#ifdef OUTPUT_3D_MODE
ConfigfHdmiVendorSpecificInfoFrame(OUTPUT_3D_MODE);
#endif
}
else {
HDMITX_EnableAVIInfoFrame(FALSE ,NULL);
HDMITX_EnableVSInfoFrame(FALSE,NULL);
}
setHDMITX_VideoSignalType(INPUT_SIGNAL_TYPE);
#ifdef SUPPORT_SYNCEMBEDDED
if(INPUT_SIGNAL_TYPE & T_MODE_SYNCEMB)
{
setHDMITX_SyncEmbeddedByVIC(vpara->vic,INPUT_SIGNAL_TYPE);
}
#endif
return HDMI_ERROR_SUCESS;
}
void button_isr(void* context, alt_u32 id) {
static alt_u32 NextActiveTime = 0;
bool bUpdateVPG = FALSE;
// static alt_u8 disp_mode = 0;
alt_u8 pushbutton_mask;
if (id != PIO_BUTTON_IRQ)
return;
// get the edge capture mask
pushbutton_mask = IORD_ALTERA_AVALON_PIO_EDGE_CAP(
PIO_BUTTON_BASE) & 0x03; // button0/1
// Reset the edge capture register
IOWR_ALTERA_AVALON_PIO_EDGE_CAP(PIO_BUTTON_BASE,0);
// // the following function only work for tx-only mode
// if (gDemoMode != DEMO_TX_ONLY)
// return;
if (pushbutton_mask & 0x02) { // BUTTON[1] // play tone
// gbPlayTone = TRUE;
// #ifndef TX_VPG_COLOR_CTRL_DISABLED
OS_PRINTF("===> BUTTON 1 \n");
//RxActivePort = RX_PORT_A;
// // 1. power down hdmi
//PowerDownHDMI();
// // 2. Select HDMI Port
SelectHDMIPort(CAT_HDMI_PORTA);
//// // 3. Call InitIT6605
InitIT6605();
if (alt_nticks() > NextActiveTime) {
// gVpgColor++;
// if (gVpgColor == COLOR_YUV422 && !HDMITX_IsSinkSupportYUV422())
// gVpgColor++;
// if (gVpgColor == COLOR_YUV444 && !HDMITX_IsSinkSupportYUV444())
// gVpgColor++;
// if (gVpgColor == COLOR_MODE_NUM)
// gVpgColor = 0; // RGB
// bUpdateVPG = TRUE;
//gh00st
NextActiveTime = alt_nticks() + alt_ticks_per_second()/2;
}
// #endif //TX_VPG_COLOR_CTRL_DISABLED
} else if (pushbutton_mask & 0x01) { // BUTTON[0] // change pattern generotor's pattern
OS_PRINTF("===> BUTTON 0 \n");
//RxActivePort = RX_PORT_B;
// // 1. power down hdmi
//PowerDownHDMI();
// // 2. Select HDMI Port
SelectHDMIPort(CAT_HDMI_PORTB);
// // 3. Call InitIT6605
InitIT6605();
if (alt_nticks() > NextActiveTime) { // note. timer should have a highter IRQ priority than button
// // next mode
// if (gVpgMode == MODE_1920x1080i120)
// gVpgMode = MODE_720x480;
// else
// gVpgMode++;
// bUpdateVPG = TRUE;
NextActiveTime = alt_nticks() + alt_ticks_per_second()/2;
}
}
if (bUpdateVPG) {
HDMITX_DisableVideoOutput();
VPG_Config(gVpgMode, gVpgColor);
SetupTxVIC(gVpgMode);
SetupColorSpace();
HDMITX_EnableVideoOutput();
}
}
