saa7114.i

NOVATEK公司的LCD_CONTROLLER源代码 液晶显示器驱动板源代码NT68521

  
 
  
  
 
  
  
  
  
  
  
  
 
  
  
  
  
  
  
  
 
  
  
  
  
  
  
  
  
 
  
 
  
 
 
 
 
  
  
  
  
 
  




 
 
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#line 1890 "SRC\PANEL.H" /0
 
 
#line 10 "SRC\SAA7114.C" /0
 
  
#line 1 "SRC\SRGB.H" /0
 
 
 
 
 int sine(unsigned char alpha);
 int cosine(unsigned char alpha);
 void product(int *first, int * second, int *result);
 void sRGB(void);
 
 
#line 11 "SRC\SAA7114.C" /0
 
 
 unsigned char code NTSC_AV[]={
 
 0x00,0x08,0xc5,0x10,0x90,0x90,0xeb,0xe0,
 0xb8,0x40,0x80,0x44,0x40,0x00,0x89,0x2a,
 
 
 
 0x0e,0x00,0x00,0x00,0x00,0x11,0xfe,0x40, 
 0x40,0x80,0x00,0x00,0x00,0x00,0x00,0x00,
 
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 
 0xbc,0xdf,0x02,0x00,0xcd,0xcc,0x3a,0x00,
 0x03,0x20,0x03,0x00,0x00,0x00,0x00,0x00,
 
 0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
 
 0xff,0xff,0xff,0xff,0x5f,0xff,0xff,0xff,
 0x00,0x47,0x06,0x83,0x00,0x3e,0x00,0x00,
 
 0x00,0x05,0xa0,0x00,0x00,0x00,0x00,0x00,
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 
 0x12,0x00,0x00,0x01,0x01,0x04,0x45,0x01,
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 
 0x00,0x08,0x09,0x40,0x10,0x00,0xd0,0x02,
 0x0a,0x00,0xf0,0x00,0xd0,0x02,0xf0,0x00,
 
 0x01,0x00,0x00,0x00,0x80,0x40,0x40,0x00,
 0x00,0x04,0x00,0x00,0x00,0x02,0x00,0x00,
 
 0x00,0x04,0x00,0x04,0x00,0x00,0x00,0x00,
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 
 0x00,0x08,0x10,0x81,0x10,0x00,0xd0,0x02,
 0x0a,0x00,0x20,0x01,0xd0,0x02,0x20,0x01,
 
 0x01,0x00,0x00,0x00,0x80,0x40,0x40,0x00,
 0x00,0x04,0x00,0x00,0x00,0x02,0x00,0x00,
 
 0x00,0x04,0x00,0x04,0x00,0x00,0x00,0x00,
 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
 };
 
 void SAA7114Init(void)
 {
 
 unsigned char i;
 
 VideoEnable();
 ScalerPowerUp();
 Sleep(10);
 flag1 &= ~0x02;		 
 ForceToBackground(0);
 for(i=0; i<0xf0; i=i+16){
 WritePageSAA7114(i,i);
 }
 WriteIIC_HW(0x42,0x88,0xe0);
 switch(PowerStatus){
 case 0x81:
 WriteIIC_HW(0x42,0x02,0xc5);	 
 WriteIIC_HW(0x42,0x09,0x40);	 
 WriteIIC_HW(0x42,0x14,0x22);	 
 break;
 case 0x82:
 WriteIIC_HW(0x42,0x02,0xc6);	 
 WriteIIC_HW(0x42,0x09,0xc0);	 
 WriteIIC_HW(0x42,0x14,0x12);	 
 break;
 case 0x83:
 WriteIIC_HW(0x42,0x02,0xc4);	 
 WriteIIC_HW(0x42,0x09,0x40);	 
 WriteIIC_HW(0x42,0x14,0x22);	 
 break;
 }
 WriteIIC_HW(0xB0,0x12,0x03);
 WriteIIC_HW(0xB0,0x13,0x33);
 WriteIIC_HW(0xB0,0x00,0x32);
 WriteIIC_HW(0xB0,0xE8,0x00);
 
 Brightness = 50;
 SetBrightness();
 Contrast = 50;
 Saturation = 50;		 
 Tint = 50;				 
 R_Gain = 100;
 G_Gain = 100;
 B_Gain = 100;
 sRGB();
 
 Brightness = Read24C16(0xd6);		 
 Contrast = Read24C16(0xd7);			 
 Saturation = Read24C16(0xd8);		 
 Tint = Read24C16(0xd9);				 
 Sharpness = Read24C16(0xda);		 
 SetVideoBrightness();
 SetVideoContrast();
 SetVideoSaturation();
 SetVideoTint();
 SetVideoSharpness();
 
 ColorStatus = 0;
 flag2 |= 0x07;
 
 
 
 
 BackLightOn();
 
 SetVolume();
 }
 
 void CheckVideo(void)
 {
 unsigned char value;
 value = ReadIIC_HW(0x42,0x1f);
 if(((value & 0x41) != 0x01) && ((flag2 & 0x02) == 0)){
 
 flag2 &= ~0x01;
 flag2 |= 0x02;
 flag1 &= ~0x02;		 
 BackLightOff();
 ForceToBackground(1);
 MuteTimer = 255;
 Timer3 = 100;
 if(PowerStatus == 0x83){
 AUDIO_MUTE();
 }
 if((flag3 & 0x04) != 0x00){
 printf("No Video\r\n");
 }
 }
 else if(((value & 0x40) == 0) && ((flag2 & 0x02) != 0)){
 
 flag2 &= ~0x01;
 flag2 &= ~0x02;
 SetAV_System();
 Timer3 = 100;
 if(PowerStatus == 0x83){
 if((flag3 & 0x10) == 0)
 AUDIO_On();
 else
 AUDIO_MUTE();
 }
 if((flag3 & 0x04) != 0x00){
 printf("Video again\r\n");
 }
 }
 
 else if(((value & 0x20) == 0) && ((flag2 & 0x06) == 0x04)){
 
 flag2 &= ~0x01;
 flag2 &= ~0x04;
 SetAV_System();
 Timer3 = 100;
 }
 else if(((value & 0x20) != 0) && ((flag2 & 0x06) == 0x00)){
 
 flag2 &= ~0x01;
 flag2 |= 0x04;
 SetAV_System();
 Timer3 = 100;
 }
 
 else if(((value & 0x41) == 0x00)&&((flag2 & 0x02) == 0)){
 CheckColorSystem();
 }




 
 }
 
 void SetAV_System(void)
 {
 flag1 &= ~0x20;
 CheckColorSystem();
 SetScalerAV();
 SetDisplayNormal();
 }
 
 void CheckColorSystem(void)
 {
 unsigned char code tab1[]={
 0x81,0x91,0xa1,0xb1,0xc1,0xd0
 };
 
 unsigned char code tab2[]={
 0x2a,0x2a,0x2a,0x2a,0x2a,0x80
 };
 
 unsigned char i,value,k;
 if((flag1 & 0x20) != 0)
 return;
 i = 0;
 WriteIIC_HW(0x42,0x0e,tab1[i]);
 WriteIIC_HW(0x42,0x0f,tab2[i]);
 k = 3;
 while(k != 0){
 k--;
 value = ReadIIC_HW(0x42,0x1f);
 if((value & 0x41) != 0x01){
 for(i=0; i<6; i++){
 WriteIIC_HW(0x42,0x0e,tab1[i]);
 WriteIIC_HW(0x42,0x0f,tab2[i]);
 Sleep(100);
 value = ReadIIC_HW(0x42,0x1f);
 if((value & 0x41) == 0x01){
 ColorStatus = i;
 break;
 }
 }
 }
 }
 if(i == 0x06){
 i = ColorStatus;
 WriteIIC_HW(0x42,0x0e,tab1[i]);
 WriteIIC_HW(0x42,0x0f,tab2[i]);
 flag1 |= 0x20;
 if((flag3 & 0x04) != 0x00){
 printf("Color system = B/W\r\n");
 }
 }
 else{
 flag1 &= ~0x20;
 if((flag3 & 0x04) != 0x00){
 printf("Color system = %x\r\n",(unsigned short)i);
 }
 }
 WriteIIC_HW(0x42,0x0e,tab1[i] & ~0x80);
 WriteIIC_HW(0x42,0x0e,tab1[i]);
 i = i * 2;
 if(((value & 0x20) == 0) && ((flag2 & 0x06) == 0x04)){
 
 flag2 &= ~0x04;
 }
 if(((value & 0x20) != 0) && ((flag2 & 0x06) == 0x00)){
 
 flag2 |= 0x04;
 }
 if((flag2 & 0x04) != 0)
 i++;
 switch(i){
 case 0:
 case 3:
 case 4:
 case 7:
 
 value = ReadIIC_HW(0x42,0x09);
 value &= 0x80;
 value |= 0x40;
 WriteIIC_HW(0x42,0x09,value);
 value = ReadIIC_HW(0x42,0x0e);
 value &= ~0x08;
 WriteIIC_HW(0x42,0x0e,value);
 WriteIIC_HW(0x42,0x0f,0x2a);
 WriteIIC_HW(0x42,0x10,0x06);
 break;
 case 1:
 case 2:
 case 5:
 case 6:
 case 9:
 
 value = ReadIIC_HW(0x42,0x09);
 value &= 0x80;
 value |= 0x40;
 WriteIIC_HW(0x42,0x09,value);
 value = ReadIIC_HW(0x42,0x0e);
 value |= 0x08;
 WriteIIC_HW(0x42,0x0e,value);
 WriteIIC_HW(0x42,0x0f,0x2a);
 WriteIIC_HW(0x42,0x10,0x0e);
 break;
 case 10:
 
 value = ReadIIC_HW(0x42,0x09);
 value &= 0x80;
 value |= 0x1b;
 WriteIIC_HW(0x42,0x09,value);
 WriteIIC_HW(0x42,0x0f,0x80);
 WriteIIC_HW(0x42,0x10,0x00);
 break;
 }
 }
 
 void WritePageSAA7114(unsigned char addr1,unsigned char addr2)
 {
 unsigned char i,ch;
 
 
 INTIIC1_FLG = 0xff;
 IIC1_DATA = 0x42;
 IIC1_CLK = 0x20 | IIC_BaudRate;
 IIC1_CON = 0x00;
 
 MasterSendByte(addr1);
 for(i=0; i<16; i++){
 ch = NTSC_AV[addr2 + i];
 MasterSendByte(ch);
 }
 
 WaitTx();
 
 IIC1_CLK = 0xA0|IIC_BaudRate;
 
 WaitStop();
 }
 
 void SetVideoBrightness(void)
 {
 unsigned char value;
 value = Brightness * 2 + 28;
 WriteIIC_HW(0x42,0x0a,value);
 if((flag3 & 0x04) != 0x00){
 printf("Brightness of SAA7114 = %x\r\n",(unsigned short)value);
 }
 }
 void SetVideoContrast(void)
 {
 unsigned char value;
 value = Contrast + 14;
 WriteIIC_HW(0x42,0x0b,value);
 if((flag3 & 0x04) != 0x00){
 printf("Contrast of SAA7114 = %x\r\n",(unsigned short)value);
 }
 }
 void SetVideoSaturation(void)
 {
 unsigned char value;
 value = Saturation + 14;
 WriteIIC_HW(0x42,0x0c,value);
 if((flag3 & 0x04) != 0x00){
 printf("Saturation of SAA7114 = %x\r\n",(unsigned short)value);
 }
 }
 void SetVideoTint(void)
 {
 unsigned char value;
 value = (((unsigned short)Tint * 255 + 50) / 100) - 128;
 WriteIIC_HW(0x42,0x0d,value);
 if((flag3 & 0x04) != 0x00){
 printf("Tint of SAA7114 = %x\r\n",(unsigned short)value);
 }
 }
 void SetVideoSharpness(void)
 {
 code unsigned char SharpnessTab[]={
 
 0x0b,0x0a,0x09,0x08,0x00,0x06,0x04,0x02
 };
 unsigned char value;
 value = ReadIIC_HW(0x42,0x09) & 0xf0;
 value |= SharpnessTab[Sharpness];
 WriteIIC_HW(0x42,0x09,value);
 if((flag3 & 0x04) != 0x00){
 printf("Sharpness of SAA7114 = %x\r\n",(unsigned short)value);
 }
 }