init.c

一个2.4.21版本的嵌入式linux内核

   SiS_Pr->SiS_PanelType0f_2 = (SiS_LVDSDesStruct *)SiS310_PanelType0f_2;
   SiS_Pr->SiS_PanelTypeNS_1 = (SiS_LVDSDesStruct *)SiS310_PanelTypeNS_1;
   SiS_Pr->SiS_PanelTypeNS_2 = (SiS_LVDSDesStruct *)SiS310_PanelTypeNS_2;

   SiS_Pr->LVDS1024x768Des_1  = (SiS_LVDSDesStruct *)SiS310_PanelType1076_1;
   SiS_Pr->LVDS1280x1024Des_1 = (SiS_LVDSDesStruct *)SiS310_PanelType1210_1;
   SiS_Pr->LVDS1400x1050Des_1 = (SiS_LVDSDesStruct *)SiS310_PanelType1296_1 ;
   SiS_Pr->LVDS1600x1200Des_1 = (SiS_LVDSDesStruct *)SiS310_PanelType1600_1 ;
   SiS_Pr->LVDS1024x768Des_2  = (SiS_LVDSDesStruct *)SiS310_PanelType1076_2;
   SiS_Pr->LVDS1280x1024Des_2 = (SiS_LVDSDesStruct *)SiS310_PanelType1210_2;
   SiS_Pr->LVDS1400x1050Des_2 = (SiS_LVDSDesStruct *)SiS310_PanelType1296_2;
   SiS_Pr->LVDS1600x1200Des_2 = (SiS_LVDSDesStruct *)SiS310_PanelType1600_2 ;

   /* TW: New from 650/301LV BIOS */
   SiS_Pr->SiS_CRT2Part2_1024x768_1  = (SiS_Part2PortTblStruct *)SiS310_CRT2Part2_1024x768_1;
   SiS_Pr->SiS_CRT2Part2_1280x1024_1 = (SiS_Part2PortTblStruct *)SiS310_CRT2Part2_1280x1024_1;
   SiS_Pr->SiS_CRT2Part2_1400x1050_1 = (SiS_Part2PortTblStruct *)SiS310_CRT2Part2_1400x1050_1;
   SiS_Pr->SiS_CRT2Part2_1600x1200_1 = (SiS_Part2PortTblStruct *)SiS310_CRT2Part2_1600x1200_1;
   SiS_Pr->SiS_CRT2Part2_1024x768_2  = (SiS_Part2PortTblStruct *)SiS310_CRT2Part2_1024x768_2;
   SiS_Pr->SiS_CRT2Part2_1280x1024_2 = (SiS_Part2PortTblStruct *)SiS310_CRT2Part2_1280x1024_2;
   SiS_Pr->SiS_CRT2Part2_1400x1050_2 = (SiS_Part2PortTblStruct *)SiS310_CRT2Part2_1400x1050_2;
   SiS_Pr->SiS_CRT2Part2_1600x1200_2 = (SiS_Part2PortTblStruct *)SiS310_CRT2Part2_1600x1200_2;
   SiS_Pr->SiS_CRT2Part2_1024x768_3  = (SiS_Part2PortTblStruct *)SiS310_CRT2Part2_1024x768_3;
   SiS_Pr->SiS_CRT2Part2_1280x1024_3 = (SiS_Part2PortTblStruct *)SiS310_CRT2Part2_1280x1024_3;
   SiS_Pr->SiS_CRT2Part2_1400x1050_3 = (SiS_Part2PortTblStruct *)SiS310_CRT2Part2_1400x1050_3;
   SiS_Pr->SiS_CRT2Part2_1600x1200_3 = (SiS_Part2PortTblStruct *)SiS310_CRT2Part2_1600x1200_3;

   SiS_Pr->SiS_CHTVUNTSCDesData = (SiS_LVDSDesStruct *)SiS310_CHTVUNTSCDesData;
   SiS_Pr->SiS_CHTVONTSCDesData = (SiS_LVDSDesStruct *)SiS310_CHTVONTSCDesData;
   SiS_Pr->SiS_CHTVUPALDesData  = (SiS_LVDSDesStruct *)SiS310_CHTVUPALDesData;
   SiS_Pr->SiS_CHTVOPALDesData  = (SiS_LVDSDesStruct *)SiS310_CHTVOPALDesData;

   SiS_Pr->SiS_LVDSCRT1800x600_1     = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT1800x600_1;
   SiS_Pr->SiS_LVDSCRT11024x768_1    = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT11024x768_1;
   SiS_Pr->SiS_LVDSCRT11280x1024_1   = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT11280x1024_1;
   SiS_Pr->SiS_LVDSCRT11400x1050_1   = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT11400x1050_1;
   SiS_Pr->SiS_LVDSCRT11280x768_1    = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT11280x768_1;
   SiS_Pr->SiS_LVDSCRT11024x600_1    = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT11024x600_1;
   SiS_Pr->SiS_LVDSCRT11152x768_1    = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT11152x768_1;
   SiS_Pr->SiS_LVDSCRT11600x1200_1   = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT11600x1200_1;
   SiS_Pr->SiS_LVDSCRT1800x600_1_H   = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT1800x600_1_H;
   SiS_Pr->SiS_LVDSCRT11024x768_1_H  = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT11024x768_1_H;
   SiS_Pr->SiS_LVDSCRT11280x1024_1_H = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT11280x1024_1_H;
   SiS_Pr->SiS_LVDSCRT11400x1050_1_H = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT11400x1050_1_H;
   SiS_Pr->SiS_LVDSCRT11280x768_1_H  = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT11280x768_1_H;
   SiS_Pr->SiS_LVDSCRT11024x600_1_H  = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT11024x600_1_H;
   SiS_Pr->SiS_LVDSCRT11152x768_1_H  = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT11152x768_1_H;
   SiS_Pr->SiS_LVDSCRT11600x1200_1_H = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT11600x1200_1_H;
   SiS_Pr->SiS_LVDSCRT1800x600_2     = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT1800x600_2;
   SiS_Pr->SiS_LVDSCRT11024x768_2    = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT11024x768_2;
   SiS_Pr->SiS_LVDSCRT11280x1024_2   = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT11280x1024_2;
   SiS_Pr->SiS_LVDSCRT11400x1050_2   = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT11400x1050_2;
   SiS_Pr->SiS_LVDSCRT11280x768_2    = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT11280x768_2;
   SiS_Pr->SiS_LVDSCRT11024x600_2    = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT11024x600_2;
   SiS_Pr->SiS_LVDSCRT11152x768_2    = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT11152x768_2;
   SiS_Pr->SiS_LVDSCRT11600x1200_2   = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT11600x1200_2;
   SiS_Pr->SiS_LVDSCRT1800x600_2_H   = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT1800x600_2_H;
   SiS_Pr->SiS_LVDSCRT11024x768_2_H  = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT11024x768_2_H;
   SiS_Pr->SiS_LVDSCRT11280x1024_2_H = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT11280x1024_2_H;
   SiS_Pr->SiS_LVDSCRT11400x1050_2_H = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT11400x1050_2_H;
   SiS_Pr->SiS_LVDSCRT11280x768_2_H  = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT11280x768_2_H;
   SiS_Pr->SiS_LVDSCRT11024x600_2_H  = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT11024x600_2_H;
   SiS_Pr->SiS_LVDSCRT11152x768_2_H  = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT11152x768_2_H;
   SiS_Pr->SiS_LVDSCRT11600x1200_2_H = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT11600x1200_2_H;
   SiS_Pr->SiS_LVDSCRT1XXXxXXX_1     = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT1XXXxXXX_1;
   SiS_Pr->SiS_LVDSCRT1XXXxXXX_1_H   = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT1XXXxXXX_1_H;
   SiS_Pr->SiS_LVDSCRT1320x480_1     = (SiS_LVDSCRT1DataStruct *)SiS310_LVDSCRT1320x480_1;
   SiS_Pr->SiS_CHTVCRT1UNTSC = (SiS_LVDSCRT1DataStruct *)SiS310_CHTVCRT1UNTSC;
   SiS_Pr->SiS_CHTVCRT1ONTSC = (SiS_LVDSCRT1DataStruct *)SiS310_CHTVCRT1ONTSC;
   SiS_Pr->SiS_CHTVCRT1UPAL  = (SiS_LVDSCRT1DataStruct *)SiS310_CHTVCRT1UPAL;
   SiS_Pr->SiS_CHTVCRT1OPAL  = (SiS_LVDSCRT1DataStruct *)SiS310_CHTVCRT1OPAL;
   SiS_Pr->SiS_CHTVCRT1SOPAL = (SiS_LVDSCRT1DataStruct *)SiS310_CHTVCRT1SOPAL;
   SiS_Pr->SiS_CHTVReg_UNTSC = (SiS_CHTVRegDataStruct *)SiS310_CHTVReg_UNTSC;
   SiS_Pr->SiS_CHTVReg_ONTSC = (SiS_CHTVRegDataStruct *)SiS310_CHTVReg_ONTSC;
   SiS_Pr->SiS_CHTVReg_UPAL  = (SiS_CHTVRegDataStruct *)SiS310_CHTVReg_UPAL;
   SiS_Pr->SiS_CHTVReg_OPAL  = (SiS_CHTVRegDataStruct *)SiS310_CHTVReg_OPAL;
   SiS_Pr->SiS_CHTVReg_UPALM = (SiS_CHTVRegDataStruct *)SiS310_CHTVReg_UPALM;
   SiS_Pr->SiS_CHTVReg_OPALM = (SiS_CHTVRegDataStruct *)SiS310_CHTVReg_OPALM;
   SiS_Pr->SiS_CHTVReg_UPALN = (SiS_CHTVRegDataStruct *)SiS310_CHTVReg_UPALN;
   SiS_Pr->SiS_CHTVReg_OPALN = (SiS_CHTVRegDataStruct *)SiS310_CHTVReg_OPALN;
   SiS_Pr->SiS_CHTVReg_SOPAL = (SiS_CHTVRegDataStruct *)SiS310_CHTVReg_SOPAL;
   SiS_Pr->SiS_LCDACRT1800x600_1     = (SiS_LCDACRT1DataStruct *)SiS310_LCDACRT1800x600_1;
   SiS_Pr->SiS_LCDACRT11024x768_1    = (SiS_LCDACRT1DataStruct *)SiS310_LCDACRT11024x768_1;
   SiS_Pr->SiS_LCDACRT11280x1024_1   = (SiS_LCDACRT1DataStruct *)SiS310_LCDACRT11280x1024_1;
   SiS_Pr->SiS_LCDACRT11400x1050_1   = (SiS_LCDACRT1DataStruct *)SiS310_LCDACRT11400x1050_1;
   SiS_Pr->SiS_LCDACRT11600x1200_1   = (SiS_LCDACRT1DataStruct *)SiS310_LCDACRT11600x1200_1;
   SiS_Pr->SiS_LCDACRT1800x600_1_H   = (SiS_LCDACRT1DataStruct *)SiS310_LCDACRT1800x600_1_H;
   SiS_Pr->SiS_LCDACRT11024x768_1_H  = (SiS_LCDACRT1DataStruct *)SiS310_LCDACRT11024x768_1_H;
   SiS_Pr->SiS_LCDACRT11280x1024_1_H = (SiS_LCDACRT1DataStruct *)SiS310_LCDACRT11280x1024_1_H;
   SiS_Pr->SiS_LCDACRT11400x1050_1_H = (SiS_LCDACRT1DataStruct *)SiS310_LCDACRT11400x1050_1_H;
   SiS_Pr->SiS_LCDACRT11600x1200_1_H = (SiS_LCDACRT1DataStruct *)SiS310_LCDACRT11600x1200_1_H;
   SiS_Pr->SiS_LCDACRT1800x600_2     = (SiS_LCDACRT1DataStruct *)SiS310_LCDACRT1800x600_2;
   SiS_Pr->SiS_LCDACRT11024x768_2    = (SiS_LCDACRT1DataStruct *)SiS310_LCDACRT11024x768_2;
   SiS_Pr->SiS_LCDACRT11280x1024_2   = (SiS_LCDACRT1DataStruct *)SiS310_LCDACRT11280x1024_2;
   SiS_Pr->SiS_LCDACRT11400x1050_2   = (SiS_LCDACRT1DataStruct *)SiS310_LCDACRT11400x1050_2;
   SiS_Pr->SiS_LCDACRT11600x1200_2   = (SiS_LCDACRT1DataStruct *)SiS310_LCDACRT11600x1200_2;
   SiS_Pr->SiS_LCDACRT1800x600_2_H   = (SiS_LCDACRT1DataStruct *)SiS310_LCDACRT1800x600_2_H;
   SiS_Pr->SiS_LCDACRT11024x768_2_H  = (SiS_LCDACRT1DataStruct *)SiS310_LCDACRT11024x768_2_H;
   SiS_Pr->SiS_LCDACRT11280x1024_2_H = (SiS_LCDACRT1DataStruct *)SiS310_LCDACRT11280x1024_2_H;
   SiS_Pr->SiS_LCDACRT11400x1050_2_H = (SiS_LCDACRT1DataStruct *)SiS310_LCDACRT11400x1050_2_H;
   SiS_Pr->SiS_LCDACRT11600x1200_2_H = (SiS_LCDACRT1DataStruct *)SiS310_LCDACRT11600x1200_2_H;
   SiS_Pr->SiS_CHTVVCLKUNTSC = SiS310_CHTVVCLKUNTSC;
   SiS_Pr->SiS_CHTVVCLKONTSC = SiS310_CHTVVCLKONTSC;
   SiS_Pr->SiS_CHTVVCLKUPAL  = SiS310_CHTVVCLKUPAL;
   SiS_Pr->SiS_CHTVVCLKOPAL  = SiS310_CHTVVCLKOPAL;
   SiS_Pr->SiS_CHTVVCLKUPALM = SiS310_CHTVVCLKUPALM;
   SiS_Pr->SiS_CHTVVCLKOPALM = SiS310_CHTVVCLKOPALM;
   SiS_Pr->SiS_CHTVVCLKUPALN = SiS310_CHTVVCLKUPALN;
   SiS_Pr->SiS_CHTVVCLKOPALN = SiS310_CHTVVCLKOPALN;   
   SiS_Pr->SiS_CHTVVCLKSOPAL = SiS310_CHTVVCLKSOPAL;

   SiS_Pr->SiS_Panel320x480   = Panel_320x480;
   SiS_Pr->SiS_Panel640x480   = Panel_640x480;
   SiS_Pr->SiS_Panel800x600   = Panel_800x600;
   SiS_Pr->SiS_Panel1024x768  = Panel_1024x768;
   SiS_Pr->SiS_Panel1280x1024 = Panel_1280x1024;
   SiS_Pr->SiS_Panel1280x960  = Panel_1280x960;
   SiS_Pr->SiS_Panel1600x1200 = Panel_1600x1200;
   SiS_Pr->SiS_Panel1400x1050 = Panel_1400x1050;
   SiS_Pr->SiS_Panel1152x768  = Panel_1152x768;
   SiS_Pr->SiS_Panel1152x864  = Panel_1152x864;
   SiS_Pr->SiS_Panel1280x768  = Panel_1280x768;
   SiS_Pr->SiS_Panel1024x600  = Panel_1024x600;
   SiS_Pr->SiS_PanelMax       = Panel_320x480;    /* TW: highest value */
   SiS_Pr->SiS_PanelMinLVDS   = Panel_800x600;    /* TW: lowest value LVDS/LCDA */
   SiS_Pr->SiS_PanelMin301    = Panel_1024x768;   /* TW: lowest value 301 */
}
#endif

#ifdef LINUXBIOS
/* -------------- SiSInit -----------------*/
/* TW: I degraded this for LINUXBIOS only, because we
 *     don't need this otherwise. Under normal
 *     circumstances, the video BIOS has initialized
 *     the adapter for us. BTW, this code is incomplete
 *     and very possibly not working on newer chipsets.
 */
BOOLEAN
SiSInit(SiS_Private *SiS_Pr, PSIS_HW_DEVICE_INFO HwDeviceExtension)
{
   UCHAR  *ROMAddr  = HwDeviceExtension->pjVirtualRomBase;
   ULONG   FBAddr   = (ULONG)HwDeviceExtension->pjVideoMemoryAddress;
   USHORT  BaseAddr = (USHORT)HwDeviceExtension->ulIOAddress;
   UCHAR   i, temp=0;
   UCHAR   SR11;
#ifdef LINUX_KERNEL
   UCHAR   temp1;
   ULONG   base;
#endif
   UCHAR   SR13=0, SR14=0, SR16=0
   UCHAR   SR17=0, SR19=0, SR1A=0;
#ifdef SIS300
   UCHAR   SR18=0, SR12=0;
#endif
#ifdef SIS315H
   UCHAR   CR37=0, CR38=0, CR79=0,
   UCHAR   CR7A=0, CR7B=0, CR7C=0;
   UCHAR   SR1B=0, SR15=0;
   PSIS_DSReg pSR;
   ULONG   Temp;
#endif
   UCHAR   VBIOSVersion[5];

   if(FBAddr==0)    return (FALSE);
   if(BaseAddr==0)  return (FALSE);

   SiS_SetReg3((USHORT)(BaseAddr+0x12),  0x67);  /* Misc */

#ifdef SIS315H
   if(HwDeviceExtension->jChipType > SIS_315PRO) {
     if(!HwDeviceExtension->bIntegratedMMEnabled)
     	return (FALSE);
   }
#endif

   SiS_MemoryCopy(VBIOSVersion,HwDeviceExtension->szVBIOSVer,4);
   VBIOSVersion[4]= 0x00;

   SiSDetermineROMUsage(SiS_Pr, HwDeviceExtension, ROMAddr);

   /* TW: Init pointers */
#ifdef SIS315H
   if((HwDeviceExtension->jChipType == SIS_315H) ||
      (HwDeviceExtension->jChipType == SIS_315) ||
      (HwDeviceExtension->jChipType == SIS_315PRO) ||
      (HwDeviceExtension->jChipType == SIS_550) ||
      (HwDeviceExtension->jChipType == SIS_650) ||
      (HwDeviceExtension->jChipType == SIS_740) ||
      (HwDeviceExtension->jChipType == SIS_330))
     InitTo310Pointer(SiS_Pr, HwDeviceExtension);
#endif

#ifdef SIS300
   if((HwDeviceExtension->jChipType == SIS_540) ||
      (HwDeviceExtension->jChipType == SIS_630) ||
      (HwDeviceExtension->jChipType == SIS_730) ||
      (HwDeviceExtension->jChipType == SIS_300))
     InitTo300Pointer(SiS_Pr, HwDeviceExtension);
#endif

   /* TW: Set SiS Register definitions */
   SiSRegInit(SiS_Pr, BaseAddr);

   /* TW: Determine LVDS/CH70xx/TRUMPION */
   SiS_Set_LVDS_TRUMPION(SiS_Pr, HwDeviceExtension);

   /* TW: Unlock registers */
   SiS_SetReg1(SiS_Pr->SiS_P3c4,0x05,0x86);

#ifdef LINUX_KERNEL

#ifdef SIS300                                         	/* Set SR14 */
   if((HwDeviceExtension->jChipType==SIS_540) ||
      (HwDeviceExtension->jChipType==SIS_630) ||
      (HwDeviceExtension->jChipType==SIS_730)) {
     base=0x80000060;
     OutPortLong(base,0xcf8);
     temp1 = InPortLong(0xcfc);
     temp1 >>= (16+8+4);
     temp1 &= 0x07;
     temp1++;
     temp1 = 1 << temp1;
     SR14 = temp1 - 1;
     base = 0x80000064;
     OutPortLong(base,0xcf8);
     temp1 = InPortLong(0xcfc);
     temp1 &= 0x00000020;
     if(temp1) 	SR14 |= 0x80;
     else      	SR14 |= 0x40;
   }
#endif

#ifdef SIS315H                                          /* Set SR14 */
   if(HwDeviceExtension->jChipType == SIS_550) {
     base = 0x80000060;
     OutPortLong(base,0xcf8);
     temp1 = InPortLong(0xcfc);
     temp1 >>= (16+8+4);
     temp1 &= 0x07;
     temp1++;
     temp1 = 1 << temp1;
     SR14 = temp1 - 1;
     base = 0x80000064;
     OutPortLong(base,0xcf8);
     temp1 = InPortLong(0xcfc);
     temp1 &= 0x00000020;
     if(temp1)  SR14 |= 0x80;
     else       SR14 |= 0x40;
   }

   if((HwDeviceExtension->jChipType == SIS_740) ||     /* Set SR14 */
      (HwDeviceExtension->jChipType == SIS_650))  {
     base = 0x80000064;
     OutPortLong(base,0xcf8);
     temp1=InPortLong(0xcfc);
     temp1 >>= 4;
     temp1 &= 0x07;
     if(temp1 > 2) {
       temp = temp1;
       switch(temp) {
        case 3: temp1 = 0x07;  break;
        case 4: temp1 = 0x0F;  break;
        case 5: temp1 = 0x1F;  break;
        case 6: temp1 = 0x05;  break;
        case 7: temp1 = 0x17;  break;
        case 8: break;
        case 9: break;
       }
     }
     SR14 = temp1;
     base = 0x8000007C;
     OutPortLong(base,0xcf8);
     temp1 = InPortLong(0xcfc);