?? init301.c
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} } return FALSE;}#endif/*********************************************//* HELPER: DELAY FUNCTIONS *//*********************************************/voidSiS_DDC2Delay(SiS_Private *SiS_Pr, USHORT delaytime){ USHORT i, j; for(i=0; i<delaytime; i++) { j += SiS_GetReg(SiS_Pr->SiS_P3c4,0x05); }}static voidSiS_GenericDelay(SiS_Private *SiS_Pr, USHORT delay){ USHORT temp,flag; flag = SiS_GetRegByte(0x61) & 0x10; while(delay) { temp = SiS_GetRegByte(0x61) & 0x10; if(temp == flag) continue; flag = temp; delay--; }}#ifdef SIS315Hstatic voidSiS_LongDelay(SiS_Private *SiS_Pr, USHORT delay){ while(delay--) { SiS_GenericDelay(SiS_Pr,0x19df); }}#endifstatic voidSiS_ShortDelay(SiS_Private *SiS_Pr, USHORT delay){ while(delay--) { SiS_GenericDelay(SiS_Pr,0x42); }}static voidSiS_PanelDelay(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT DelayTime){ UCHAR *ROMAddr = HwInfo->pjVirtualRomBase; USHORT PanelID, DelayIndex, Delay=0; if(HwInfo->jChipType < SIS_315H) {#ifdef SIS300 PanelID = SiS_GetReg(SiS_Pr->SiS_P3d4,0x36); if(SiS_Pr->SiS_VBType & VB_SISVB) { if(!(SiS_GetReg(SiS_Pr->SiS_P3c4,0x18) & 0x10)) PanelID = 0x12; } DelayIndex = PanelID >> 4; if((DelayTime >= 2) && ((PanelID & 0x0f) == 1)) { Delay = 3; } else { if(DelayTime >= 2) DelayTime -= 2; if(!(DelayTime & 0x01)) { Delay = SiS_Pr->SiS_PanelDelayTbl[DelayIndex].timer[0]; } else { Delay = SiS_Pr->SiS_PanelDelayTbl[DelayIndex].timer[1]; } if(SiS_Pr->SiS_UseROM) { if(ROMAddr[0x220] & 0x40) { if(!(DelayTime & 0x01)) Delay = (USHORT)ROMAddr[0x225]; else Delay = (USHORT)ROMAddr[0x226]; } } } SiS_ShortDelay(SiS_Pr, Delay);#endif /* SIS300 */ } else {#ifdef SIS315H if((HwInfo->jChipType >= SIS_661) || (HwInfo->jChipType <= SIS_315PRO) || (HwInfo->jChipType == SIS_330)) { if(!(DelayTime & 0x01)) { SiS_DDC2Delay(SiS_Pr, 0x1000); } else { SiS_DDC2Delay(SiS_Pr, 0x4000); } } else if((SiS_Pr->SiS_IF_DEF_LVDS == 1) /* || (SiS_Pr->SiS_CustomT == CUT_COMPAQ1280) || (SiS_Pr->SiS_CustomT == CUT_CLEVO1400) */ ) { /* 315 series, LVDS; Special */ if(SiS_Pr->SiS_IF_DEF_CH70xx == 0) { PanelID = SiS_GetReg(SiS_Pr->SiS_P3d4,0x36); if(SiS_Pr->SiS_CustomT == CUT_CLEVO1400) { if(!(SiS_GetReg(SiS_Pr->SiS_P3c4,0x1b) & 0x10)) PanelID = 0x12; } if(SiS_Pr->SiS_CustomT == CUT_COMPAQ1280) { DelayIndex = PanelID & 0x0f; } else { DelayIndex = PanelID >> 4; } if((DelayTime >= 2) && ((PanelID & 0x0f) == 1)) { Delay = 3; } else { if(DelayTime >= 2) DelayTime -= 2; if(!(DelayTime & 0x01)) { Delay = SiS_Pr->SiS_PanelDelayTblLVDS[DelayIndex].timer[0]; } else { Delay = SiS_Pr->SiS_PanelDelayTblLVDS[DelayIndex].timer[1]; } if((SiS_Pr->SiS_UseROM) && (!(SiS_Pr->SiS_ROMNew))) { if(ROMAddr[0x13c] & 0x40) { if(!(DelayTime & 0x01)) { Delay = (USHORT)ROMAddr[0x17e]; } else { Delay = (USHORT)ROMAddr[0x17f]; } } } } SiS_ShortDelay(SiS_Pr, Delay); } } else if(SiS_Pr->SiS_VBType & VB_SISVB) { /* 315 series, all bridges */ DelayIndex = SiS_GetReg(SiS_Pr->SiS_P3d4,0x36) >> 4; if(!(DelayTime & 0x01)) { Delay = SiS_Pr->SiS_PanelDelayTbl[DelayIndex].timer[0]; } else { Delay = SiS_Pr->SiS_PanelDelayTbl[DelayIndex].timer[1]; } Delay <<= 8; SiS_DDC2Delay(SiS_Pr, Delay); }#endif /* SIS315H */ }}#ifdef SIS315Hstatic voidSiS_PanelDelayLoop(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT DelayTime, USHORT DelayLoop){ int i; for(i=0; i<DelayLoop; i++) { SiS_PanelDelay(SiS_Pr, HwInfo, DelayTime); }}#endif/*********************************************//* HELPER: WAIT-FOR-RETRACE FUNCTIONS *//*********************************************/voidSiS_WaitRetrace1(SiS_Private *SiS_Pr){ USHORT watchdog; if(SiS_GetReg(SiS_Pr->SiS_P3c4,0x1f) & 0xc0) return; if(!(SiS_GetReg(SiS_Pr->SiS_P3d4,0x17) & 0x80)) return; watchdog = 65535; while((SiS_GetRegByte(SiS_Pr->SiS_P3da) & 0x08) && --watchdog); watchdog = 65535; while((!(SiS_GetRegByte(SiS_Pr->SiS_P3da) & 0x08)) && --watchdog);}static voidSiS_WaitRetrace2(SiS_Private *SiS_Pr, USHORT reg){ USHORT watchdog; watchdog = 65535; while((SiS_GetReg(SiS_Pr->SiS_Part1Port,reg) & 0x02) && --watchdog); watchdog = 65535; while((!(SiS_GetReg(SiS_Pr->SiS_Part1Port,reg) & 0x02)) && --watchdog);}static voidSiS_WaitVBRetrace(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo){ if(HwInfo->jChipType < SIS_315H) {#ifdef SIS300 if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) { if(!(SiS_GetReg(SiS_Pr->SiS_Part1Port,0x00) & 0x20)) return; } if(!(SiS_GetReg(SiS_Pr->SiS_Part1Port,0x00) & 0x80)) { SiS_WaitRetrace1(SiS_Pr); } else { SiS_WaitRetrace2(SiS_Pr, 0x25); }#endif } else {#ifdef SIS315H if(!(SiS_GetReg(SiS_Pr->SiS_Part1Port,0x00) & 0x40)) { SiS_WaitRetrace1(SiS_Pr); } else { SiS_WaitRetrace2(SiS_Pr, 0x30); }#endif }}static voidSiS_VBWait(SiS_Private *SiS_Pr){ USHORT tempal,temp,i,j; temp = 0; for(i=0; i<3; i++) { for(j=0; j<100; j++) { tempal = SiS_GetRegByte(SiS_Pr->SiS_P3da); if(temp & 0x01) { if((tempal & 0x08)) continue; else break; } else { if(!(tempal & 0x08)) continue; else break; } } temp ^= 0x01; }}static voidSiS_VBLongWait(SiS_Private *SiS_Pr){ if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) { SiS_VBWait(SiS_Pr); } else { SiS_WaitRetrace1(SiS_Pr); }}/*********************************************//* HELPER: MISC *//*********************************************/#ifdef SIS300static BOOLEANSiS_Is301B(SiS_Private *SiS_Pr){ if(SiS_GetReg(SiS_Pr->SiS_Part4Port,0x01) >= 0xb0) return TRUE; return FALSE;}#endifstatic BOOLEANSiS_CRT2IsLCD(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo){ USHORT flag; if(HwInfo->jChipType == SIS_730) { flag = SiS_GetReg(SiS_Pr->SiS_P3c4,0x13); if(flag & 0x20) return TRUE; } flag = SiS_GetReg(SiS_Pr->SiS_P3d4,0x30); if(flag & 0x20) return TRUE; return FALSE;}BOOLEANSiS_IsDualEdge(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo){#ifdef SIS315H USHORT flag; if(HwInfo->jChipType >= SIS_315H) { if((HwInfo->jChipType != SIS_650) || (SiS_GetReg(SiS_Pr->SiS_P3d4,0x5f) & 0xf0)) { flag = SiS_GetReg(SiS_Pr->SiS_P3d4,0x38); if(flag & EnableDualEdge) return TRUE; } }#endif return FALSE;}BOOLEANSiS_IsVAMode(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo){#ifdef SIS315H USHORT flag; if(HwInfo->jChipType >= SIS_315H) { flag = SiS_GetReg(SiS_Pr->SiS_P3d4,0x38); if((flag & EnableDualEdge) && (flag & SetToLCDA)) return TRUE; }#endif return FALSE;}#ifdef SIS315Hstatic BOOLEANSiS_IsVAorLCD(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo){ if(SiS_IsVAMode(SiS_Pr,HwInfo)) return TRUE; if(SiS_CRT2IsLCD(SiS_Pr, HwInfo)) return TRUE; return FALSE; }#endifstatic BOOLEANSiS_IsDualLink(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo){#ifdef SIS315H if(HwInfo->jChipType >= SIS_315H) { if((SiS_CRT2IsLCD(SiS_Pr, HwInfo)) || (SiS_IsVAMode(SiS_Pr, HwInfo))) { if(SiS_Pr->SiS_LCDInfo & LCDDualLink) return TRUE; } }#endif return FALSE;}#ifdef SIS315Hstatic BOOLEANSiS_TVEnabled(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo){ if((SiS_GetReg(SiS_Pr->SiS_Part2Port,0x00) & 0x0f) != 0x0c) return TRUE; if(SiS_Pr->SiS_VBType & (VB_SIS301C | VB_SIS301LV302LV)) { if(SiS_GetReg(SiS_Pr->SiS_Part2Port,0x4d) & 0x10) return TRUE; } return FALSE;}#endif#ifdef SIS315Hstatic BOOLEANSiS_LCDAEnabled(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo){ if(SiS_GetReg(SiS_Pr->SiS_Part1Port,0x13) & 0x04) return TRUE; return FALSE;}#endif#ifdef SIS315Hstatic BOOLEANSiS_WeHaveBacklightCtrl(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo){ if((HwInfo->jChipType >= SIS_315H) && (HwInfo->jChipType < SIS_661)) { if(SiS_GetReg(SiS_Pr->SiS_P3d4,0x79) & 0x10) return TRUE; } return FALSE;}#endif#ifdef SIS315Hstatic BOOLEANSiS_IsNotM650orLater(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo){ USHORT flag; if(HwInfo->jChipType == SIS_650) { flag = SiS_GetReg(SiS_Pr->SiS_P3d4,0x5f); flag &= 0xF0; /* Check for revision != A0 only */ if((flag == 0xe0) || (flag == 0xc0) || (flag == 0xb0) || (flag == 0x90)) return FALSE; } else if(HwInfo->jChipType >= SIS_661) return FALSE; return TRUE;}#endif#ifdef SIS315Hstatic BOOLEANSiS_IsYPbPr(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo){ USHORT flag; if(HwInfo->jChipType >= SIS_315H) { flag = SiS_GetReg(SiS_Pr->SiS_P3d4,0x38); if(flag & EnableCHYPbPr) return TRUE; /* = YPrPb = 0x08 */ } return FALSE;}#endif#ifdef SIS315Hstatic BOOLEANSiS_IsChScart(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo){ USHORT flag; if(HwInfo->jChipType >= SIS_315H) { flag = SiS_GetReg(SiS_Pr->SiS_P3d4,0x38); if(flag & EnableCHScart) return TRUE; /* = Scart = 0x04 */ } return FALSE;}?? 快捷鍵說明
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