?? init301.c
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if(flag & EnableCHScart) return TRUE; /* = Scart = 0x04 */ } return FALSE;}#endif#ifdef SIS315Hstatic BOOLEANSiS_IsTVOrYPbPrOrScart(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo){ USHORT flag; if(HwInfo->jChipType >= SIS_315H) { flag = SiS_GetReg(SiS_Pr->SiS_P3d4,0x30); if(flag & SetCRT2ToTV) return TRUE; flag = SiS_GetReg(SiS_Pr->SiS_P3d4,0x38); if(flag & EnableCHYPbPr) return TRUE; /* = YPrPb = 0x08 */ if(flag & EnableCHScart) return TRUE; /* = Scart = 0x04 - TW */ } else { flag = SiS_GetReg(SiS_Pr->SiS_P3d4,0x30); if(flag & SetCRT2ToTV) return TRUE; } return FALSE;}#endif#ifdef SIS315Hstatic BOOLEANSiS_IsLCDOrLCDA(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo){ USHORT flag; if(HwInfo->jChipType >= SIS_315H) { flag = SiS_GetReg(SiS_Pr->SiS_P3d4,0x30); if(flag & SetCRT2ToLCD) return TRUE; flag = SiS_GetReg(SiS_Pr->SiS_P3d4,0x38); if(flag & SetToLCDA) return TRUE; } else { flag = SiS_GetReg(SiS_Pr->SiS_P3d4,0x30); if(flag & SetCRT2ToLCD) return TRUE; } return FALSE;}#endifstatic BOOLEANSiS_BridgeIsOn(SiS_Private *SiS_Pr){ USHORT flag; if(SiS_Pr->SiS_IF_DEF_LVDS == 1) { return TRUE; } else if(SiS_Pr->SiS_VBType & VB_SISVB) { flag = SiS_GetReg(SiS_Pr->SiS_Part4Port,0x00); if((flag == 1) || (flag == 2)) return TRUE; } return FALSE;}static BOOLEANSiS_BridgeIsEnabled(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo){ USHORT flag; if(SiS_BridgeIsOn(SiS_Pr)) { flag = SiS_GetReg(SiS_Pr->SiS_Part1Port,0x00); if(HwInfo->jChipType < SIS_315H) { flag &= 0xa0; if((flag == 0x80) || (flag == 0x20)) return TRUE; } else { flag &= 0x50; if((flag == 0x40) || (flag == 0x10)) return TRUE; } } return FALSE;}static BOOLEANSiS_BridgeInSlavemode(SiS_Private *SiS_Pr){ USHORT flag1; flag1 = SiS_GetReg(SiS_Pr->SiS_P3d4,0x31); if(flag1 & (SetInSlaveMode >> 8)) return TRUE; return FALSE;}/*********************************************//* GET VIDEO BRIDGE CONFIG INFO *//*********************************************//* Setup general purpose IO for Chrontel communication */voidSiS_SetChrontelGPIO(SiS_Private *SiS_Pr, USHORT myvbinfo){ unsigned long acpibase; unsigned short temp; if(!(SiS_Pr->SiS_ChSW)) return;#ifndef LINUX_XF86 SiS_SetRegLong(0xcf8,0x80000874); /* get ACPI base */ acpibase = SiS_GetRegLong(0xcfc);#else acpibase = pciReadLong(0x00000800, 0x74);#endif acpibase &= 0xFFFF; temp = SiS_GetRegShort((USHORT)(acpibase + 0x3c)); /* ACPI register 0x3c: GP Event 1 I/O mode select */ temp &= 0xFEFF; SiS_SetRegShort((USHORT)(acpibase + 0x3c), temp); temp = SiS_GetRegShort((USHORT)(acpibase + 0x3c)); temp = SiS_GetRegShort((USHORT)(acpibase + 0x3a)); /* ACPI register 0x3a: GP Pin Level (low/high) */ temp &= 0xFEFF; if(!(myvbinfo & SetCRT2ToTV)) temp |= 0x0100; SiS_SetRegShort((USHORT)(acpibase + 0x3a), temp); temp = SiS_GetRegShort((USHORT)(acpibase + 0x3a));}voidSiS_GetVBInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex, PSIS_HW_INFO HwInfo, int checkcrt2mode){ USHORT tempax,tempbx,temp; USHORT modeflag, resinfo=0; if(ModeNo <= 0x13) { modeflag = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ModeFlag; } else if(SiS_Pr->UseCustomMode) { modeflag = SiS_Pr->CModeFlag; } else { modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag; resinfo = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_RESINFO; } SiS_Pr->SiS_SetFlag = 0; SiS_Pr->SiS_ModeType = modeflag & ModeInfoFlag; tempbx = 0; if(SiS_BridgeIsOn(SiS_Pr)) { temp = SiS_GetReg(SiS_Pr->SiS_P3d4,0x30);#if 0 if(HwInfo->jChipType < SIS_661) { /* NO - YPbPr not set yet ! */ if(SiS_Pr->SiS_YPbPr & <all ypbpr except 525i>) { temp &= (SetCRT2ToHiVision | SwitchCRT2 | SetSimuScanMode); /* 0x83 */ temp |= SetCRT2ToHiVision; /* 0x80 */ } if(SiS_Pr->SiS_YPbPr & <ypbpr525i>) { temp &= (SetCRT2ToHiVision | SwitchCRT2 | SetSimuScanMode); /* 0x83 */ temp |= SetCRT2ToSVIDEO; /* 0x08 */ } }#endif tempbx |= temp; tempax = SiS_GetReg(SiS_Pr->SiS_P3d4,0x31) << 8; tempax &= (DriverMode | LoadDACFlag | SetNotSimuMode | SetPALTV); tempbx |= tempax;#ifdef SIS315H if(HwInfo->jChipType >= SIS_315H) { if(SiS_Pr->SiS_VBType & (VB_SIS301C|VB_SIS302B|VB_SIS301LV|VB_SIS302LV|VB_SIS302ELV)) { if(ModeNo == 0x03) { /* Mode 0x03 is never in driver mode */ SiS_SetRegAND(SiS_Pr->SiS_P3d4,0x31,0xbf); } if(!(SiS_GetReg(SiS_Pr->SiS_P3d4,0x31) & (DriverMode >> 8))) { /* Reset LCDA setting if not driver mode */ SiS_SetRegAND(SiS_Pr->SiS_P3d4,0x38,0xfc); } if(IS_SIS650) { if(SiS_Pr->SiS_UseLCDA) { if(SiS_GetReg(SiS_Pr->SiS_P3d4,0x5f) & 0xF0) { if((ModeNo <= 0x13) || (!(SiS_GetReg(SiS_Pr->SiS_P3d4,0x31) & (DriverMode >> 8)))) { SiS_SetRegOR(SiS_Pr->SiS_P3d4,0x38,(EnableDualEdge | SetToLCDA)); } } } } temp = SiS_GetReg(SiS_Pr->SiS_P3d4,0x38); if((temp & (EnableDualEdge | SetToLCDA)) == (EnableDualEdge | SetToLCDA)) { tempbx |= SetCRT2ToLCDA; } } if(SiS_Pr->SiS_VBType & (VB_SIS301LV|VB_SIS302LV|VB_SIS302ELV)) { tempbx &= ~(SetCRT2ToRAMDAC); } if(HwInfo->jChipType >= SIS_661) { tempbx &= ~(SetCRT2ToYPbPr525750 | SetCRT2ToHiVision); temp = SiS_GetReg(SiS_Pr->SiS_P3d4,0x38); if(SiS_Pr->SiS_VBType & (VB_SIS301C|VB_SIS301LV|VB_SIS302LV|VB_SIS302ELV)) { if(temp & 0x04) { temp = SiS_GetReg(SiS_Pr->SiS_P3d4,0x35) & 0xe0; if(temp == 0x60) tempbx |= SetCRT2ToHiVision; else tempbx |= SetCRT2ToYPbPr525750; } } else if(SiS_Pr->SiS_VBType & (VB_SIS301 | VB_SIS301B | VB_SIS302B)) { if(temp & 0x04) { temp = SiS_GetReg(SiS_Pr->SiS_P3d4,0x35) & 0xe0; if(temp == 0x60) tempbx |= SetCRT2ToHiVision; } } } if(SiS_Pr->SiS_IF_DEF_LVDS == 1) { temp = SiS_GetReg(SiS_Pr->SiS_P3d4,0x38); if(temp & SetToLCDA) { tempbx |= SetCRT2ToLCDA; } if(SiS_Pr->SiS_IF_DEF_CH70xx != 0) { if(temp & EnableCHYPbPr) { tempbx |= SetCRT2ToCHYPbPr; } } } }#endif /* SIS315H */ if(SiS_Pr->SiS_VBType & VB_SISVB) { temp = SetCRT2ToSVIDEO | SetCRT2ToAVIDEO | SetCRT2ToSCART | SetCRT2ToLCDA | SetCRT2ToLCD | SetCRT2ToRAMDAC | SetCRT2ToHiVision | SetCRT2ToYPbPr525750; } else { if(HwInfo->jChipType >= SIS_315H) { if(SiS_Pr->SiS_IF_DEF_CH70xx != 0) { temp = SetCRT2ToAVIDEO | SetCRT2ToSVIDEO | SetCRT2ToSCART | SetCRT2ToLCDA | SetCRT2ToLCD | SetCRT2ToCHYPbPr; } else { temp = SetCRT2ToLCDA | SetCRT2ToLCD; } } else { if(SiS_Pr->SiS_IF_DEF_CH70xx != 0) { temp = SetCRT2ToTV | SetCRT2ToLCD; } else { temp = SetCRT2ToLCD; } } } if(!(tempbx & temp)) { tempax = DisableCRT2Display; tempbx = 0; } if(SiS_Pr->SiS_VBType & VB_SISVB) { USHORT clearmask = ( DriverMode | DisableCRT2Display | LoadDACFlag | SetNotSimuMode | SetInSlaveMode | SetPALTV | SwitchCRT2 | SetSimuScanMode ); if(tempbx & SetCRT2ToLCDA) tempbx &= (clearmask | SetCRT2ToLCDA); if(tempbx & SetCRT2ToRAMDAC) tempbx &= (clearmask | SetCRT2ToRAMDAC); if(tempbx & SetCRT2ToLCD) tempbx &= (clearmask | SetCRT2ToLCD); if(tempbx & SetCRT2ToSCART) tempbx &= (clearmask | SetCRT2ToSCART); if(tempbx & SetCRT2ToHiVision) tempbx &= (clearmask | SetCRT2ToHiVision); if(tempbx & SetCRT2ToYPbPr525750) tempbx &= (clearmask | SetCRT2ToYPbPr525750); } else { if(HwInfo->jChipType >= SIS_315H) { if(tempbx & SetCRT2ToLCDA) { tempbx &= (0xFF00|SwitchCRT2|SetSimuScanMode); } } if(SiS_Pr->SiS_IF_DEF_CH70xx != 0) { if(tempbx & SetCRT2ToTV) { tempbx &= (0xFF00|SetCRT2ToTV|SwitchCRT2|SetSimuScanMode); } } if(tempbx & SetCRT2ToLCD) { tempbx &= (0xFF00|SetCRT2ToLCD|SwitchCRT2|SetSimuScanMode); } if(HwInfo->jChipType >= SIS_315H) { if(tempbx & SetCRT2ToLCDA) { tempbx |= SetCRT2ToLCD; } } } if(tempax & DisableCRT2Display) { if(!(tempbx & (SwitchCRT2 | SetSimuScanMode))) { tempbx = SetSimuScanMode | DisableCRT2Display; } } if(!(tempbx & DriverMode)) tempbx |= SetSimuScanMode; /* LVDS/CHRONTEL (LCD/TV) and 301BDH (LCD) can only be slave in 8bpp modes */ if(SiS_Pr->SiS_ModeType <= ModeVGA) { if( (SiS_Pr->SiS_IF_DEF_LVDS == 1) || ((SiS_Pr->SiS_VBType & VB_NoLCD) && (tempbx & SetCRT2ToLCD)) ) { modeflag &= (~CRT2Mode); } } if(!(tempbx & SetSimuScanMode)) { if(tempbx & SwitchCRT2) { if((!(modeflag & CRT2Mode)) && (checkcrt2mode)) { if( (HwInfo->jChipType >= SIS_315H) && (SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) ) { if(resinfo != SIS_RI_1600x1200) { tempbx |= SetSimuScanMode; } } else { tempbx |= SetSimuScanMode; } } } else { if(SiS_BridgeIsEnabled(SiS_Pr,HwInfo)) { if(!(tempbx & DriverMode)) { if(SiS_BridgeInSlavemode(SiS_Pr)) { tempbx |= SetSimuScanMode; } } } } } if(!(tempbx & DisableCRT2Display)) { if(tempbx & DriverMode) { if(tempbx & SetSimuScanMode) { if((!(modeflag & CRT2Mode)) && (checkcrt2mode)) { if( (HwInfo->jChipType >= SIS_315H) && (SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) ) { if(resinfo != SIS_RI_1600x1200) { tempbx |= SetInSlaveMode; } } else { tempbx |= SetInSlaveMode; } } } } else { tempbx |= SetInSlaveMode; } } } SiS_Pr->SiS_VBInfo = tempbx; if(HwInfo->jChipType == SIS_630) { SiS_SetChrontelGPIO(SiS_Pr, SiS_Pr->SiS_VBInfo); }#ifdef TWDEBUG#ifdef LINUX_KERNEL printk(KERN_DEBUG "sisfb: (VBInfo= 0x%04x, SetFlag=0x%04x)\n", SiS_Pr->SiS_VBInfo, SiS_Pr->SiS_SetFlag);#endif#ifdef LINUX_XF86 xf86DrvMsgVerb(0, X_PROBED, 3, "(init301: VBInfo=0x%04x, SetFlag=0x%04x)\n", SiS_Pr->SiS_VBInfo, SiS_Pr->SiS_SetFlag);#endif#endif}/*********************************************//* DETERMINE YPbPr MODE *//*********************************************/voidSiS_SetYPbPr(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo){ UCHAR temp; /* Note: This variable is only used on 30xLV systems. * CR38 has a different meaning on LVDS/CH7019 systems. * On 661 and later, these bits moved to CR35. * * On 301, 301B, only HiVision 1080i is supported. * On 30xLV, 301C, only YPbPr 1080i is supported. */ SiS_Pr->SiS_YPbPr = 0; if(HwInfo->jChipType >= SIS_661) return; if(SiS_Pr->SiS_VBType) { if(SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision) { SiS_Pr->SiS_YPbPr = YPbPrHiVision; } } if(HwInfo->jChipType >= SIS_315H) { if(SiS_Pr->SiS_VBType & (VB_SIS301LV302LV | VB_SIS301C)) { temp = SiS_GetReg(SiS_Pr->SiS_P3d4,0x38); if(temp & 0x08) { switch((temp >> 4)) { case 0x00: SiS_Pr->SiS_YPbPr = YPbPr525i; break; case 0x01: SiS_Pr->SiS_YPbPr = YPbPr525p; break; case 0x02: SiS_Pr->SiS_YPbPr = YPbPr750p; break; case 0x03: SiS_Pr->SiS_YPbPr = YPbPrHiVision; break; } } } }?? 快捷鍵說明
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