extractedLnx/linux-2.6.38/drivers/video/sis/init.c_SiS_GetModeID_LCD.c

unsigned short
SiS_GetModeID_LCD(int VGAEngine, unsigned int VBFlags, int HDisplay, int VDisplay,
		int Depth, bool FSTN, unsigned short CustomT, int LCDwidth, int LCDheight,
		unsigned int VBFlags2)
{
   unsigned short ModeIndex = 0;

   if(VBFlags2 & (VB2_LVDS | VB2_30xBDH)) {

      switch(HDisplay)
      {
	case 320:
	     if((CustomT != CUT_PANEL848) && (CustomT != CUT_PANEL856)) {
		if(VDisplay == 200) {
		   if(!FSTN) ModeIndex = ModeIndex_320x200[Depth];
		} else if(VDisplay == 240) {
		   if(!FSTN) ModeIndex = ModeIndex_320x240[Depth];
		   else if(VGAEngine == SIS_315_VGA) {
		      ModeIndex = ModeIndex_320x240_FSTN[Depth];
		   }
		}
	     }
	     break;
	case 400:
	     if((CustomT != CUT_PANEL848) && (CustomT != CUT_PANEL856)) {
		if(!((VGAEngine == SIS_300_VGA) && (VBFlags2 & VB2_TRUMPION))) {
		   if(VDisplay == 300) ModeIndex = ModeIndex_400x300[Depth];
		}
	     }
	     break;
	case 512:
	     if((CustomT != CUT_PANEL848) && (CustomT != CUT_PANEL856)) {
		if(!((VGAEngine == SIS_300_VGA) && (VBFlags2 & VB2_TRUMPION))) {
		   if(LCDwidth >= 1024 && LCDwidth != 1152 && LCDheight >= 768) {
		      if(VDisplay == 384) {
		         ModeIndex = ModeIndex_512x384[Depth];
		      }
		   }
		}
	     }
	     break;
	case 640:
	     if(VDisplay == 480) ModeIndex = ModeIndex_640x480[Depth];
	     else if(VDisplay == 400) {
		if((CustomT != CUT_PANEL848) && (CustomT != CUT_PANEL856))
		   ModeIndex = ModeIndex_640x400[Depth];
	     }
	     break;
	case 800:
	     if(VDisplay == 600) ModeIndex = ModeIndex_800x600[Depth];
	     break;
	case 848:
	     if(CustomT == CUT_PANEL848) {
	        if(VDisplay == 480) ModeIndex = ModeIndex_848x480[Depth];
	     }
	     break;
	case 856:
	     if(CustomT == CUT_PANEL856) {
	        if(VDisplay == 480) ModeIndex = ModeIndex_856x480[Depth];
	     }
	     break;
	case 1024:
	     if(VDisplay == 768) ModeIndex = ModeIndex_1024x768[Depth];
	     else if(VGAEngine == SIS_300_VGA) {
		if((VDisplay == 600) && (LCDheight == 600)) {
		   ModeIndex = ModeIndex_1024x600[Depth];
		}
	     }
	     break;
	case 1152:
	     if(VGAEngine == SIS_300_VGA) {
		if((VDisplay == 768) && (LCDheight == 768)) {
		   ModeIndex = ModeIndex_1152x768[Depth];
		}
	     }
	     break;
        case 1280:
	     if(VDisplay == 1024) ModeIndex = ModeIndex_1280x1024[Depth];
	     else if(VGAEngine == SIS_315_VGA) {
		if((VDisplay == 768) && (LCDheight == 768)) {
		   ModeIndex = ModeIndex_310_1280x768[Depth];
		}
	     }
	     break;
	case 1360:
	     if(VGAEngine == SIS_300_VGA) {
		if(CustomT == CUT_BARCO1366) {
		   if(VDisplay == 1024) ModeIndex = ModeIndex_300_1360x1024[Depth];
		}
	     }
	     if(CustomT == CUT_PANEL848) {
		if(VDisplay == 768) ModeIndex = ModeIndex_1360x768[Depth];
	     }
	     break;
	case 1400:
	     if(VGAEngine == SIS_315_VGA) {
		if(VDisplay == 1050) ModeIndex = ModeIndex_1400x1050[Depth];
	     }
	     break;
	case 1600:
	     if(VGAEngine == SIS_315_VGA) {
		if(VDisplay == 1200) ModeIndex = ModeIndex_1600x1200[Depth];
	     }
	     break;
      }

   } else if(VBFlags2 & VB2_SISBRIDGE) {

      switch(HDisplay)
      {
	case 320:
	     if(VDisplay == 200)      ModeIndex = ModeIndex_320x200[Depth];
	     else if(VDisplay == 240) ModeIndex = ModeIndex_320x240[Depth];
	     break;
	case 400:
	     if(LCDwidth >= 800 && LCDheight >= 600) {
		if(VDisplay == 300) ModeIndex = ModeIndex_400x300[Depth];
	     }
	     break;
	case 512:
	     if(LCDwidth >= 1024 && LCDheight >= 768 && LCDwidth != 1152) {
		if(VDisplay == 384) ModeIndex = ModeIndex_512x384[Depth];
	     }
	     break;
	case 640:
	     if(VDisplay == 480)      ModeIndex = ModeIndex_640x480[Depth];
	     else if(VDisplay == 400) ModeIndex = ModeIndex_640x400[Depth];
	     break;
	case 720:
	     if(VGAEngine == SIS_315_VGA) {
		if(VDisplay == 480)      ModeIndex = ModeIndex_720x480[Depth];
		else if(VDisplay == 576) ModeIndex = ModeIndex_720x576[Depth];
	     }
	     break;
	case 768:
	     if(VGAEngine == SIS_315_VGA) {
		if(VDisplay == 576) ModeIndex = ModeIndex_768x576[Depth];
	     }
	     break;
	case 800:
	     if(VDisplay == 600) ModeIndex = ModeIndex_800x600[Depth];
	     if(VGAEngine == SIS_315_VGA) {
		if(VDisplay == 480) ModeIndex = ModeIndex_800x480[Depth];
	     }
	     break;
	case 848:
	     if(VGAEngine == SIS_315_VGA) {
		if(VDisplay == 480) ModeIndex = ModeIndex_848x480[Depth];
	     }
	     break;
	case 856:
	     if(VGAEngine == SIS_315_VGA) {
		if(VDisplay == 480) ModeIndex = ModeIndex_856x480[Depth];
	     }
	     break;
	case 960:
	     if(VGAEngine == SIS_315_VGA) {
		if(VDisplay == 540)      ModeIndex = ModeIndex_960x540[Depth];
		else if(VDisplay == 600) ModeIndex = ModeIndex_960x600[Depth];
	     }
	     break;
	case 1024:
	     if(VDisplay == 768) ModeIndex = ModeIndex_1024x768[Depth];
	     if(VGAEngine == SIS_315_VGA) {
		if(VDisplay == 576) ModeIndex = ModeIndex_1024x576[Depth];
	     }
	     break;
	case 1152:
	     if(VGAEngine == SIS_315_VGA) {
		if(VDisplay == 864) ModeIndex = ModeIndex_1152x864[Depth];
	     }
	     break;
	case 1280:
	     switch(VDisplay) {
	     case 720:
		ModeIndex = ModeIndex_1280x720[Depth];
	     case 768:
		if(VGAEngine == SIS_300_VGA) {
		   ModeIndex = ModeIndex_300_1280x768[Depth];
		} else {
		   ModeIndex = ModeIndex_310_1280x768[Depth];
		}
		break;
	     case 800:
		if(VGAEngine == SIS_315_VGA) {
		   ModeIndex = ModeIndex_1280x800[Depth];
		}
		break;
	     case 854:
		if(VGAEngine == SIS_315_VGA) {
		   ModeIndex = ModeIndex_1280x854[Depth];
		}
		break;
	     case 960:
		ModeIndex = ModeIndex_1280x960[Depth];
		break;
	     case 1024:
		ModeIndex = ModeIndex_1280x1024[Depth];
		break;
	     }
	     break;
	case 1360:
	     if(VGAEngine == SIS_315_VGA) {  /* OVER1280 only? */
		if(VDisplay == 768) ModeIndex = ModeIndex_1360x768[Depth];
	     }
	     break;
	case 1400:
	     if(VGAEngine == SIS_315_VGA) {
		if(VBFlags2 & VB2_LCDOVER1280BRIDGE) {
		   if(VDisplay == 1050) ModeIndex = ModeIndex_1400x1050[Depth];
		}
	     }
	     break;
	case 1600:
	     if(VGAEngine == SIS_315_VGA) {
		if(VBFlags2 & VB2_LCDOVER1280BRIDGE) {
		   if(VDisplay == 1200) ModeIndex = ModeIndex_1600x1200[Depth];
		}
	     }
	     break;
#ifndef VB_FORBID_CRT2LCD_OVER_1600
	case 1680:
	     if(VGAEngine == SIS_315_VGA) {
		if(VBFlags2 & VB2_LCDOVER1280BRIDGE) {
		   if(VDisplay == 1050) ModeIndex = ModeIndex_1680x1050[Depth];
		}
	     }
	     break;
	case 1920:
	     if(VGAEngine == SIS_315_VGA) {
		if(VBFlags2 & VB2_LCDOVER1600BRIDGE) {
		   if(VDisplay == 1440) ModeIndex = ModeIndex_1920x1440[Depth];
		}
	     }
	     break;
	case 2048:
	     if(VGAEngine == SIS_315_VGA) {
		if(VBFlags2 & VB2_LCDOVER1600BRIDGE) {
		   if(VDisplay == 1536) ModeIndex = ModeIndex_310_2048x1536[Depth];
		}
	     }
	     break;
#endif
      }
   }

   return ModeIndex;
}