void DDC_Init()
{
__inf("DDC_Init\n");
HDMI_WUINT32(0x504,HDMI_RUINT32(0x504)| 0x00000010);//set intial sequence
HDMI_WUINT32(0x500,HDMI_RUINT32(0x500)| 0x08000000);//start
while(HDMI_RUINT32(0x500)& 0x08000000);
HDMI_WUINT32(0x504,HDMI_RUINT32(0x504)& 0xffffffef);//clear intial sequence
}
__s32 hdmi_core_initial(void)
{
hdmi_state = HDMI_State_Idle;
video_mode = HDMI720P_50;
memset(&audio_info,0,sizeof(HDMI_AUDIO_INFO));
memset(Device_Support_VIC,0,sizeof(Device_Support_VIC));
HDMI_WUINT32(0x004,0x80000000); //start hdmi controller
HDMI_WUINT32(0x200,0xe0000000); //power enable
return 0;
}
//hdmi_core_close: cp from sun4i, any problem?
__s32 hdmi_core_close(void)
{
HDMI_WUINT32(0x200,0x00000000); //close drv/pll
HDMI_WUINT32(0x204,0x00000000);
HDMI_WUINT32(0x208,0x00000000);
HDMI_WUINT32(0x004,0x00000000); //close hdmi controller
hdmi_state = HDMI_State_Idle;
video_mode = HDMI720P_50;
memset(&audio_info,0,sizeof(HDMI_AUDIO_INFO));
memset(Device_Support_VIC,0,sizeof(Device_Support_VIC));
__inf("reg: 200:0x%08x, 204:0x%08x, 208:0x%08x, 004:0x%08x\n",HDMI_RUINT32(0x200), HDMI_RUINT32(0x204), HDMI_RUINT32(0x208), HDMI_RUINT32(0x004));
return 0;
}
__s32 DDC_Read(char cmd,char pointer,char offset,int nbyte,char * pbuf)
{
#if 0
char i=0;
char n=0;
char off = offset;
__u32 wait_ms;
__inf("DDC_Read\n");
while(nbyte >0)
{
if(nbyte > 16)
n = 16;
else
n = nbyte;
nbyte = nbyte -n;
HDMI_WUINT32(0x518,HDMI_RUINT32(0x518)| 0x00008000); //FIFO address clear
HDMI_WUINT8(0x50f,pointer ); //segment pointer
HDMI_WUINT8(0x50d,off ); //offset address
HDMI_WUINT32(0x508,(n<<16) +cmd); //nbyte to access and cmd type
HDMI_WUINT32(0x500,HDMI_RUINT32(0x500)| 0x08000000); //start the command
off += n;
wait_ms = 0;
while(HDMI_RUINT32(0x500) & 0x08000000)
{
disp_delay_ms(1);
wait_ms ++;
if(wait_ms > 1000)
{
__wrn("ddc read timeout\n");
return -1;
}
}
i=0;
while(i<n)
{
* pbuf ++ = HDMI_RUINT8(0x580);
i++;
}
}
#endif
return 0;
}
__s32 hdmi_core_initial(void)
{
hdmi_state = HDMI_State_Idle;
video_mode = HDMI720P_50;
memset(&audio_info,0,sizeof(HDMI_AUDIO_INFO));
memset(Device_Support_VIC,0,sizeof(Device_Support_VIC));
HDMI_WUINT32(0x004,0x80000000); //start hdmi controller
HDMI_WUINT32(0x208,((__u32)1<<31)+ (0<<30)+ (1<<29)+ (3<<27)+ (0<<26)+
(1<<25)+ (0<<24)+ (0<<23)+ (4<<20)+ (4<<17)+
(10<<12)+ (3<<8)+ ((4-1)<<4)+(8<<0) );
// tx driver setting
HDMI_WUINT32(0x200,0x60000000); //bias en
disp_delay_ms(1);
HDMI_WUINT32(0x200,0x7e80000f);
HDMI_WUINT32(0x204,0x01ded070);
return 0;
}
__s32 hdmi_main_task_loop(void)
{
static __u32 times = 0;
HPD = main_Hpd_Check();
if( !HPD )
{
if((times++) >= 10)
{
times = 0;
__inf("unplug state\n");
}
if(hdmi_state > HDMI_State_Wait_Hpd)
{
__inf("plugout\n");
hdmi_state = HDMI_State_Wait_Hpd;
Hdmi_hpd_event();
}
}
switch(hdmi_state)
{
case HDMI_State_Idle:
hdmi_state = HDMI_State_Wait_Hpd;
return 0;
case HDMI_State_Wait_Hpd:
if(HPD)
{
hdmi_state = HDMI_State_EDID_Parse;
__inf("plugin\n");
}else
{
return 0;
}
case HDMI_State_Rx_Sense:
case HDMI_State_EDID_Parse:
HDMI_WUINT32(0x004,0x80000000);
HDMI_WUINT32(0x208,(1<<31)+ (1<<30)+ (1<<29)+ (3<<27)+ (0<<26)+
(1<<25)+ (0<<24)+ (0<<23)+ (4<<20)+ (7<<17)+
(15<<12)+ (7<<8)+ (0x0f<<4)+(8<<0) );
HDMI_WUINT32(0x200,0xfe800000); //txen enable
HDMI_WUINT32(0x204,0x00D8C850); //ckss = 1
HDMI_WUINT32(0x20c, 0 << 21);
ParseEDID();
HDMI_RUINT32(0x5f0);
hdmi_state = HDMI_State_Wait_Video_config;
Hdmi_hpd_event();
case HDMI_State_Wait_Video_config:
if(video_enable)
{
hdmi_state = HDMI_State_Video_config;
}else
{
return 0;
}
case HDMI_State_Video_config:
video_config(video_mode);
hdmi_state = HDMI_State_Audio_config;
case HDMI_State_Audio_config:
audio_config();
hdmi_state = HDMI_State_Playback;
case HDMI_State_Playback:
return 0;
default:
__wrn(" unkonwn hdmi state, set to idle\n");
hdmi_state = HDMI_State_Idle;
return 0;
}
}
__s32 audio_config(void)
{
__s32 i;
__inf("audio_config, sample_rate:%d\n", audio_info.sample_rate);
HDMI_WUINT32(0x040,0x00000000);
HDMI_WUINT32(0x040,0x40000000);
while(HDMI_RUINT32(0x040) != 0);
HDMI_WUINT32(0x040,0x40000000);
while(HDMI_RUINT32(0x040) != 0);
if(!audio_info.audio_en)
{
return 0;
}
i = get_audio_info(audio_info.sample_rate);
if(i == -1)
{
return 0;
}
if(audio_info.channel_num == 1)
{
HDMI_WUINT32(0x044,0x00000000); //audio fifo rst and select ddma, 2 ch 16bit pcm
HDMI_WUINT32(0x048,0x00000000); //ddma,pcm layout0 1ch
HDMI_WUINT32(0x04c,0x76543200);
HDMI_WUINT32(0x0A0,0x710a0184); //audio infoframe head
HDMI_WUINT32(0x0A4,0x00000000); //CA = 0X1F
HDMI_WUINT32(0x0A8,0x00000000);
HDMI_WUINT32(0x0Ac,0x00000000);
}else if(audio_info.channel_num == 2)
{
HDMI_WUINT32(0x044,0x00000000); //audio fifo rst and select ddma, 2 ch 16bit pcm
if(audio_info.data_raw == 0)
{
HDMI_WUINT32(0x048,0x00000001); //ddma,pcm layout0 2ch
}
else
{
HDMI_WUINT32(0x048,0x01000001); //ddma,raw layout0 2ch
}
HDMI_WUINT32(0x04c,0x76543210);
HDMI_WUINT32(0x0A0,0x710a0184); //audio infoframe head
HDMI_WUINT32(0x0A4,0x00000000); //CA = 0X1F
HDMI_WUINT32(0x0A8,0x00000000);
HDMI_WUINT32(0x0Ac,0x00000000);
}else if(audio_info.channel_num == 8)
{
HDMI_WUINT32(0x044,0x00000000); //audio fifo rst and select ddma, 2 ch 16bit pcm
HDMI_WUINT32(0x048,0x0000000f); //ddma,pcm layout1 8ch
HDMI_WUINT32(0x04c,0x76543210);
HDMI_WUINT32(0x0A0,0x520a0184); //audio infoframe head
HDMI_WUINT32(0x0A4,0x1F000000); //CA = 0X1F
HDMI_WUINT32(0x0A8,0x00000000);
HDMI_WUINT32(0x0Ac,0x00000000);
}else
{
__wrn("unkonwn num_ch:%d\n", audio_info.channel_num);
}
HDMI_WUINT32(0x050,audio_info.CTS ); //CTS and N
HDMI_WUINT32(0x054,audio_info.ACR_N );
HDMI_WUINT32(0x058,audio_info.CH_STATUS0 );
HDMI_WUINT32(0x05c,audio_info.CH_STATUS1 );
HDMI_WUINT32(0x040,0x80000000);
HDMI_WUINT32(0x004,0x80000000);
//for audio test
#if 0
//dedicated dma setting aw1623 env
sys_put_wvalue(0xf1c023a4,0x40c00000); //ddma ch5 seting from addr =0x40c00000
sys_put_wvalue(0xf1c023a8,0x00000000); //des =0
sys_put_wvalue(0xf1c023ac,0x01f00000); //byte to trans
sys_put_wvalue(0xf1c023b8,(31<<24) +(7<<16) + (31<<8) +(7<<0)); //data block and wait cycle
sys_put_wvalue(0xf1c023a0,0xa4b80481); //from src0 to des1,continous mode
#endif
return 0;
}
__s32 video_config(__u32 vic)
{
__s32 vic_tab, clk_div,reg_val;
__inf("video_config, vic:%d\n", vic);
vic_tab = get_video_info(vic);
if( vic_tab == -1)
return 0;
else
video_mode = vic;
HDMI_WUINT32(0x004,0x00000000);
HDMI_WUINT32(0x040,0x00000000); //disable audio output
HDMI_WUINT32(0x010,0x00000000); //disable video output
HDMI_WUINT32(0x008,0xffffffff); //interrupt mask and clear all interrupt
if( (vic == HDMI1440_480I) || (vic == HDMI1440_576I) ) //interlace and repeation
{
HDMI_WUINT32(0x010,0x00000011);
}
else if( (vic == HDMI1080I_50) || (vic == HDMI1080I_60) ) //interlace
{
HDMI_WUINT32(0x010,0x00000010);
}else //progressive
{
HDMI_WUINT32(0x010,0x00000000);
}
if( (vic == HDMI1440_480I) || (vic == HDMI1440_576I) ) //need to use repeation
{
HDMI_WUINT16(0x014,(video_timing[vic_tab].INPUTX<<1) -1); //active H
HDMI_WUINT16(0x018,(video_timing[vic_tab].HBP<<1) -1); //active HBP
HDMI_WUINT16(0x01c,(video_timing[vic_tab].HFP<<1) -1); //active HFP
HDMI_WUINT16(0x020,(video_timing[vic_tab].HPSW<<1) -1); //active HSPW
}
else
{
HDMI_WUINT16(0x014,(video_timing[vic_tab].INPUTX<<0) -1); //active H
HDMI_WUINT16(0x018,(video_timing[vic_tab].HBP<<0) -1); //active HBP
HDMI_WUINT16(0x01c,(video_timing[vic_tab].HFP<<0) -1); //active HFP
HDMI_WUINT16(0x020,(video_timing[vic_tab].HPSW<<0) -1); //active HSPW
}
if( ( vic == HDMI1080P_24_3D_FP) || (vic == HDMI720P_50_3D_FP ) || (vic == HDMI720P_60_3D_FP ) )
{
HDMI_WUINT16(0x016,video_timing[vic_tab].INPUTY + video_timing[vic_tab].VBP + video_timing[vic_tab].VFP -1); //active V
}else
{
HDMI_WUINT16(0x016,video_timing[vic_tab].INPUTY -1); //active V
}
HDMI_WUINT16(0x01a,video_timing[vic_tab].VBP -1); //active VBP
HDMI_WUINT16(0x01e,video_timing[vic_tab].VFP -1); //active VFP
HDMI_WUINT16(0x022,video_timing[vic_tab].VPSW -1); //active VSPW
if( video_timing[vic_tab].PCLK < 74250000) //SD format
{
HDMI_WUINT16(0x024,0x00 ); //Vsync/Hsync pol
}
else //HD format
{
HDMI_WUINT16(0x024,0x03 ); //Vsync/Hsync pol
}
HDMI_WUINT16(0x026,0x03e0 ); //TX clock sequence
//avi packet
HDMI_WUINT8 (0x080,0x82);
HDMI_WUINT8 (0x081,0x02);
HDMI_WUINT8 (0x082,0x0d);
HDMI_WUINT8 (0x083,0x00);
if(cts_enable &&(!YCbCr444_Support))
{
HDMI_WUINT8 (0x084,0x10); //RGB444
__inf("HDMI RGB444 output mode\n");
}
else
{
HDMI_WUINT8 (0x084,0x50); //YCbCr444
__inf("HDMI YCbCr444 output mode\n");
}
if( video_timing[vic_tab].PCLK < 74250000) //SD format
{
HDMI_WUINT8 (0x085,0x58); //4:3 601
}else //HD format
{
HDMI_WUINT8 (0x085,0xa8); //16:9 709
}
HDMI_WUINT8 (0x086,0x00);
HDMI_WUINT8 (0x087,video_timing[vic_tab].VIC );
HDMI_WUINT8 (0x088,video_timing[vic_tab].AVI_PR);
HDMI_WUINT8 (0x089,0x00);
HDMI_WUINT8 (0x08a,0x00);
HDMI_WUINT8 (0x08b,0x00);
HDMI_WUINT8 (0x08c,0x00);
HDMI_WUINT8 (0x08d,0x00);
HDMI_WUINT8 (0x08e,0x00);
HDMI_WUINT8 (0x08f,0x00);
HDMI_WUINT8 (0x090,0x00);
reg_val = HDMI_RUINT8(0x080) +
HDMI_RUINT8(0x081) +
HDMI_RUINT8(0x082) +
HDMI_RUINT8(0x084) +
HDMI_RUINT8(0x085) +
HDMI_RUINT8(0x086) +
HDMI_RUINT8(0x087) +
HDMI_RUINT8(0x088) +
HDMI_RUINT8(0x089) +
HDMI_RUINT8(0x08a) +
HDMI_RUINT8(0x08b) +
HDMI_RUINT8(0x08c) +
HDMI_RUINT8(0x08d) +
HDMI_RUINT8(0x08e) +
HDMI_RUINT8(0x08f) +
HDMI_RUINT8(0x090);
reg_val = reg_val & 0xff;
if(reg_val != 0)
reg_val = 0x100 - reg_val;
HDMI_WUINT8 (0x083,reg_val); //checksum
//gcp packet
HDMI_WUINT32(0x0e0,0x00000003);
HDMI_WUINT32(0x0e4,0x00000000);
//vendor infoframe
HDMI_WUINT8 (0x240,0x81);
HDMI_WUINT8 (0x241,0x01);
HDMI_WUINT8 (0x242,6 ); //length
HDMI_WUINT8 (0x243,0x29); //pb0:checksum
HDMI_WUINT8 (0x244,0x03); //pb1-3:24bit ieee id
HDMI_WUINT8 (0x245,0x0c); //
HDMI_WUINT8 (0x246,0x00);
HDMI_WUINT8 (0x247,0x40); //pb4
HDMI_WUINT8 (0x248,0x00); //pb5:3d meta not present, frame packing
HDMI_WUINT8 (0x249,0x00); //pb6:extra data for 3d
HDMI_WUINT8 (0x24a,0x00); //pb7: matadata type=0,len=8
HDMI_WUINT8 (0x24b,0x00);
HDMI_WUINT8 (0x24c,0x00);
HDMI_WUINT8 (0x24d,0x00);
HDMI_WUINT8 (0x24e,0x00);
HDMI_WUINT8 (0x24f,0x00);
HDMI_WUINT8 (0x250,0x00);
HDMI_WUINT8 (0x251,0x00);
HDMI_WUINT8 (0x252,0x00);
//packet config
if( ( vic != HDMI1080P_24_3D_FP) && (vic != HDMI720P_50_3D_FP) && ( vic != HDMI720P_60_3D_FP) )
{
HDMI_WUINT32(0x2f0,0x0000f321);
HDMI_WUINT32(0x2f4,0x0000000f);
}
else
{
HDMI_WUINT32(0x2f0,0x00005321);
HDMI_WUINT32(0x2f4,0x0000000f);
}
HDMI_WUINT32(0x300,0x08000000); // set input sync enable
if( (cts_enable == 0) || isHDMI)
{
__inf("hdmi mode: cts_enable=%d, isHDMI=%d\n", cts_enable,isHDMI);
HDMI_WUINT8 (0x013,0xc0); //hdmi mode
}else
{
__inf("dvi mode: cts_enable=%d, isHDMI=%d\n", cts_enable,isHDMI);
HDMI_WUINT8 (0x013,0x80); //dvi mode
}
HDMI_WUINT32(0x004,0x80000000); //start hdmi controller
//////////////////////
//hdmi pll setting
if( (vic == HDMI1440_480I) || (vic == HDMI1440_576I))
{
clk_div = hdmi_clk/video_timing[vic_tab].PCLK;
clk_div /= 2;
}
else
{
clk_div = hdmi_clk/video_timing[vic_tab].PCLK;
}
clk_div &= 0x0f;
HDMI_WUINT32(0x208,(1<<31)+ (1<<30)+ (1<<29)+ (3<<27)+ (0<<26)+
(1<<25)+ (0<<24)+ (0<<23)+ (4<<20)+ (7<<17)+
(15<<12)+ (7<<8)+ (clk_div<<4)+(8<<0) );
// tx driver setting
HDMI_WUINT32(0x200,0xfe800000); //txen enable
HDMI_WUINT32(0x204,0x00D8C850); //ckss = 1
HDMI_WUINT32(0x20c, hdmi_pll << 21);
return 0;
}
