Beispiel #1
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 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;
}