1 files changed, 4331 insertions, 5299 deletions

diff --git a/drivers/video/sis/init301.c b/drivers/video/sis/init301.c
index 274dacd54bb8..2d88f908170a 100644
--- a/drivers/video/sis/init301.c
+++ b/drivers/video/sis/init301.c
@@ -2,11 +2,12 @@
 /* $XdotOrg$ */
 /*
  * Mode initializing code (CRT2 section)
- * for SiS 300/305/540/630/730 and
- *     SiS 315/550/650/M650/651/661FX/M661xX/740/741(GX)/M741/330/660/M660/760/M760
- * (Universal module for Linux kernel framebuffer and XFree86/X.org 4.x)
+ * for SiS 300/305/540/630/730,
+ *     SiS 315/550/[M]650/651/[M]661[FGM]X/[M]74x[GX]/330/[M]76x[GX],
+ *     XGI V3XT/V5/V8, Z7
+ * (Universal module for Linux kernel framebuffer and X.org/XFree86 4.x)
  *
- * Copyright (C) 2001-2004 by Thomas Winischhofer, Vienna, Austria
+ * Copyright (C) 2001-2005 by Thomas Winischhofer, Vienna, Austria
  *
  * If distributed as part of the Linux kernel, the following license terms
  * apply:
@@ -38,7 +39,7 @@
  * * 3) The name of the author may not be used to endorse or promote products
  * *    derived from this software without specific prior written permission.
  * *
- * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESSED OR
+ * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  * * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  * * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
@@ -54,20 +55,20 @@
  * Formerly based on non-functional code-fragements for 300 series by SiS, Inc.
  * Used by permission.
  *
- * TW says: This code looks awful, I know. But please don't do anything about
- * this otherwise debugging will be hell.
- * The code is extremely fragile as regards the different chipsets, different
- * video bridges and combinations thereof. If anything is changed, extreme
- * care has to be taken that that change doesn't break it for other chipsets,
- * bridges or combinations thereof.
- * All comments in this file are by me, regardless if marked TW or not.
- *
  */
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #if 1
 #define SET_EMI         /* 302LV/ELV: Set EMI values */
 #endif
 
+#if 1
+#define SET_PWD         /* 301/302LV: Set PWD */
+#endif
+
 #define COMPAL_HACK     /* Needed for Compal 1400x1050 (EMI) */
 #define COMPAQ_HACK     /* Needed for Inventec/Compaq 1280x1024 (EMI) */
 #define ASUS_HACK       /* Needed for Asus A2H 1024x768 (EMI) */
@@ -85,26 +86,35 @@
 #define SiS_I2CDELAY      1000
 #define SiS_I2CDELAYSHORT  150
 
-static USHORT SiS_GetBIOSLCDResInfo(SiS_Private *SiS_Pr);
-static void SiS_SetCH70xx(SiS_Private *SiS_Pr, USHORT tempbx);
+static unsigned short   SiS_GetBIOSLCDResInfo(struct SiS_Private *SiS_Pr);
+#ifdef SIS_LINUX_KERNEL
+static void             SiS_SetCH70xx(struct SiS_Private *SiS_Pr, unsigned short reg, unsigned char val);
+#endif
 
 /*********************************************/
 /*         HELPER: Lock/Unlock CRT2          */
 /*********************************************/
 
 void
-SiS_UnLockCRT2(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_UnLockCRT2(struct SiS_Private *SiS_Pr)
 {
-   if(HwInfo->jChipType >= SIS_315H)
+   if(SiS_Pr->ChipType == XGI_20)
+      return;
+   else if(SiS_Pr->ChipType >= SIS_315H)
       SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x2f,0x01);
    else
       SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x24,0x01);
 }
 
-static void
-SiS_LockCRT2(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+#ifdef SIS_LINUX_KERNEL
+static
+#endif
+void
+SiS_LockCRT2(struct SiS_Private *SiS_Pr)
 {
-   if(HwInfo->jChipType >= SIS_315H)
+   if(SiS_Pr->ChipType == XGI_20)
+      return;
+   else if(SiS_Pr->ChipType >= SIS_315H)
       SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x2F,0xFE);
    else
       SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x24,0xFE);
@@ -115,9 +125,9 @@ SiS_LockCRT2(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
 /*********************************************/
 
 static void
-SiS_SetRegSR11ANDOR(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT DataAND, USHORT DataOR)
+SiS_SetRegSR11ANDOR(struct SiS_Private *SiS_Pr, unsigned short DataAND, unsigned short DataOR)
 {
-   if(HwInfo->jChipType >= SIS_661) {
+   if(SiS_Pr->ChipType >= SIS_661) {
       DataAND &= 0x0f;
       DataOR  &= 0x0f;
    }
@@ -129,12 +139,12 @@ SiS_SetRegSR11ANDOR(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT DataAND, US
 /*********************************************/
 
 #ifdef SIS315H
-static UCHAR *
-GetLCDStructPtr661(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+static unsigned char *
+GetLCDStructPtr661(struct SiS_Private *SiS_Pr)
 {
-   UCHAR  *ROMAddr = HwInfo->pjVirtualRomBase;
-   UCHAR  *myptr = NULL;
-   USHORT romindex = 0, reg = 0, idx = 0;
+   unsigned char  *ROMAddr = SiS_Pr->VirtualRomBase;
+   unsigned char  *myptr = NULL;
+   unsigned short romindex = 0, reg = 0, idx = 0;
 
    /* Use the BIOS tables only for LVDS panels; TMDS is unreliable
     * due to the variaty of panels the BIOS doesn't know about.
@@ -144,15 +154,15 @@ GetLCDStructPtr661(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
     */
 
    if((SiS_Pr->SiS_ROMNew) &&
-      ((SiS_Pr->SiS_VBType & VB_SIS301LV302LV) || (!SiS_Pr->PanelSelfDetected))) {
+      ((SiS_Pr->SiS_VBType & VB_SISLVDS) || (!SiS_Pr->PanelSelfDetected))) {
 
-      if(HwInfo->jChipType < SIS_661) reg = 0x3c;
-      else                            reg = 0x7d;
+      if(SiS_Pr->ChipType < SIS_661) reg = 0x3c;
+      else                           reg = 0x7d;
 
       idx = (SiS_GetReg(SiS_Pr->SiS_P3d4,reg) & 0x1f) * 26;
 
       if(idx < (8*26)) {
-         myptr = (UCHAR *)&SiS_LCDStruct661[idx];
+         myptr = (unsigned char *)&SiS_LCDStruct661[idx];
       }
       romindex = SISGETROMW(0x100);
       if(romindex) {
@@ -163,11 +173,11 @@ GetLCDStructPtr661(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
    return myptr;
 }
 
-static USHORT
-GetLCDStructPtr661_2(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+static unsigned short
+GetLCDStructPtr661_2(struct SiS_Private *SiS_Pr)
 {
-   UCHAR  *ROMAddr = HwInfo->pjVirtualRomBase;
-   USHORT romptr = 0;
+   unsigned char  *ROMAddr = SiS_Pr->VirtualRomBase;
+   unsigned short romptr = 0;
 
    /* Use the BIOS tables only for LVDS panels; TMDS is unreliable
     * due to the variaty of panels the BIOS doesn't know about.
@@ -177,12 +187,12 @@ GetLCDStructPtr661_2(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
     */
 
    if((SiS_Pr->SiS_ROMNew) &&
-      ((SiS_Pr->SiS_VBType & VB_SIS301LV302LV) || (!SiS_Pr->PanelSelfDetected))) {
+      ((SiS_Pr->SiS_VBType & VB_SISLVDS) || (!SiS_Pr->PanelSelfDetected))) {
       romptr = SISGETROMW(0x102);
       romptr += ((SiS_GetReg(SiS_Pr->SiS_P3d4,0x36) >> 4) * SiS_Pr->SiS661LCD2TableSize);
    }
 
-   return(romptr);
+   return romptr;
 }
 #endif
 
@@ -191,186 +201,187 @@ GetLCDStructPtr661_2(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
 /*********************************************/
 
 static BOOLEAN
-SiS_AdjustCRT2Rate(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
-                   USHORT RRTI, USHORT *i, PSIS_HW_INFO HwInfo)
+SiS_AdjustCRT2Rate(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex,
+                unsigned short RRTI, unsigned short *i)
 {
-  USHORT checkmask=0,modeid,infoflag;
+   unsigned short checkmask=0, modeid, infoflag;
 
-  modeid = SiS_Pr->SiS_RefIndex[RRTI + (*i)].ModeID;
+   modeid = SiS_Pr->SiS_RefIndex[RRTI + (*i)].ModeID;
 
-  if(SiS_Pr->SiS_VBType & VB_SISVB) {
+   if(SiS_Pr->SiS_VBType & VB_SISVB) {
 
-     if(SiS_Pr->SiS_VBInfo & SetCRT2ToRAMDAC) {
+      if(SiS_Pr->SiS_VBInfo & SetCRT2ToRAMDAC) {
 
-        checkmask |= SupportRAMDAC2;
-        if(HwInfo->jChipType >= SIS_315H) {
-           checkmask |= SupportRAMDAC2_135;
-           if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {
-              checkmask |= SupportRAMDAC2_162;
-              if(SiS_Pr->SiS_VBType & VB_SIS301C) {
-                 checkmask |= SupportRAMDAC2_202;
-              }
-           }
-        }
+         checkmask |= SupportRAMDAC2;
+         if(SiS_Pr->ChipType >= SIS_315H) {
+            checkmask |= SupportRAMDAC2_135;
+            if(SiS_Pr->SiS_VBType & VB_SIS30xBLV) {
+               checkmask |= SupportRAMDAC2_162;
+               if(SiS_Pr->SiS_VBType & VB_SISRAMDAC202) {
+                  checkmask |= SupportRAMDAC2_202;
+               }
+            }
+         }
 
-     } else if(SiS_Pr->SiS_VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) {
+      } else if(SiS_Pr->SiS_VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) {
 
-        checkmask |= SupportLCD;
-        if(HwInfo->jChipType >= SIS_315H) {
-           if(SiS_Pr->SiS_VBType & VB_SISVB) {
-              if((SiS_Pr->SiS_LCDInfo & DontExpandLCD) && (SiS_Pr->SiS_LCDInfo & LCDPass11)) {
-                 if(modeid == 0x2e) checkmask |= Support64048060Hz;
-              }
-           }
-        }
+         checkmask |= SupportLCD;
+         if(SiS_Pr->ChipType >= SIS_315H) {
+            if(SiS_Pr->SiS_VBType & VB_SISVB) {
+               if((SiS_Pr->SiS_LCDInfo & DontExpandLCD) && (SiS_Pr->SiS_LCDInfo & LCDPass11)) {
+                  if(modeid == 0x2e) checkmask |= Support64048060Hz;
+               }
+            }
+         }
 
-     } else if(SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision) {
+      } else if(SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision) {
 
-        checkmask |= SupportHiVision;
+         checkmask |= SupportHiVision;
 
-     } else if(SiS_Pr->SiS_VBInfo & (SetCRT2ToYPbPr525750|SetCRT2ToAVIDEO|SetCRT2ToSVIDEO|SetCRT2ToSCART)) {
+      } else if(SiS_Pr->SiS_VBInfo & (SetCRT2ToYPbPr525750|SetCRT2ToAVIDEO|SetCRT2ToSVIDEO|SetCRT2ToSCART)) {
 
-        checkmask |= SupportTV;
-        if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {
-           checkmask |= SupportTV1024;
-           if(SiS_Pr->SiS_VBInfo & SetCRT2ToYPbPr525750) {
-              if(SiS_Pr->SiS_TVMode & TVSetYPbPr750p) {
-                 checkmask |= SupportYPbPr750p;
-              }
-           }
-        }
+         checkmask |= SupportTV;
+         if(SiS_Pr->SiS_VBType & VB_SIS30xBLV) {
+            checkmask |= SupportTV1024;
+            if(SiS_Pr->SiS_VBInfo & SetCRT2ToYPbPr525750) {
+               if(SiS_Pr->SiS_TVMode & TVSetYPbPr750p) {
+                  checkmask |= SupportYPbPr750p;
+               }
+            }
+         }
 
-     }
+      }
 
-  } else {      /* LVDS */
+   } else {     /* LVDS */
 
-     if(SiS_Pr->SiS_IF_DEF_CH70xx != 0) {
-        if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
-           checkmask |= SupportCHTV;
-        }
-     }
+      if(SiS_Pr->SiS_IF_DEF_CH70xx != 0) {
+         if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
+            checkmask |= SupportCHTV;
+         }
+      }
 
-     if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {
-        checkmask |= SupportLCD;
-     }
+      if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {
+         checkmask |= SupportLCD;
+      }
 
-  }
+   }
 
-  /* Look backwards in table for matching CRT2 mode */
-  for(; SiS_Pr->SiS_RefIndex[RRTI + (*i)].ModeID == modeid; (*i)--) {
-     infoflag = SiS_Pr->SiS_RefIndex[RRTI + (*i)].Ext_InfoFlag;
-     if(infoflag & checkmask) return TRUE;
-     if((*i) == 0) break;
-  }
+   /* Look backwards in table for matching CRT2 mode */
+   for(; SiS_Pr->SiS_RefIndex[RRTI + (*i)].ModeID == modeid; (*i)--) {
+      infoflag = SiS_Pr->SiS_RefIndex[RRTI + (*i)].Ext_InfoFlag;
+      if(infoflag & checkmask) return TRUE;
+      if((*i) == 0) break;
+   }
 
-  /* Look through the whole mode-section of the table from the beginning
-   * for a matching CRT2 mode if no mode was found yet.
-   */
-  for((*i) = 0; ; (*i)++) {
-     if(SiS_Pr->SiS_RefIndex[RRTI + (*i)].ModeID != modeid) break;
-     infoflag = SiS_Pr->SiS_RefIndex[RRTI + (*i)].Ext_InfoFlag;
-     if(infoflag & checkmask) return TRUE;
-  }
-  return FALSE;
+   /* Look through the whole mode-section of the table from the beginning
+    * for a matching CRT2 mode if no mode was found yet.
+    */
+   for((*i) = 0; ; (*i)++) {
+      if(SiS_Pr->SiS_RefIndex[RRTI + (*i)].ModeID != modeid) break;
+      infoflag = SiS_Pr->SiS_RefIndex[RRTI + (*i)].Ext_InfoFlag;
+      if(infoflag & checkmask) return TRUE;
+   }
+   return FALSE;
 }
 
 /*********************************************/
 /*              Get rate index               */
 /*********************************************/
 
-USHORT
-SiS_GetRatePtr(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
-               PSIS_HW_INFO HwInfo)
-{
-  SHORT  LCDRefreshIndex[] = { 0x00, 0x00, 0x01, 0x01,
-                               0x01, 0x01, 0x01, 0x01,
-                               0x01, 0x01, 0x01, 0x01,
-                               0x01, 0x01, 0x01, 0x01,
-                               0x00, 0x00, 0x00, 0x00 };
-  USHORT RRTI,i,backup_i;
-  USHORT modeflag,index,temp,backupindex;
+unsigned short
+SiS_GetRatePtr(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex)
+{
+   unsigned short RRTI,i,backup_i;
+   unsigned short modeflag,index,temp,backupindex;
+   static const unsigned short LCDRefreshIndex[] = {
+                0x00, 0x00, 0x01, 0x01,
+                0x01, 0x01, 0x01, 0x01,
+                0x01, 0x01, 0x01, 0x01,
+                0x01, 0x01, 0x01, 0x01,
+                0x00, 0x00, 0x00, 0x00
+   };
 
-  /* Do NOT check for UseCustomMode here, will skrew up FIFO */
-  if(ModeNo == 0xfe) return 0;
+   /* Do NOT check for UseCustomMode here, will skrew up FIFO */
+   if(ModeNo == 0xfe) return 0;
 
-  if(ModeNo <= 0x13) {
-     modeflag = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ModeFlag;
-  } else {
-     modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag;
-  }
+   if(ModeNo <= 0x13) {
+      modeflag = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ModeFlag;
+   } else {
+      modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag;
+   }
 
-  if(SiS_Pr->SiS_IF_DEF_CH70xx != 0) {
-     if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
-        if(modeflag & HalfDCLK) return 0;
-     }
-  }
+   if(SiS_Pr->SiS_IF_DEF_CH70xx != 0) {
+      if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
+         if(modeflag & HalfDCLK) return 0;
+      }
+   }
 
-  if(ModeNo < 0x14) return 0xFFFF;
+   if(ModeNo < 0x14) return 0xFFFF;
 
-  index = (SiS_GetReg(SiS_Pr->SiS_P3d4,0x33) >> SiS_Pr->SiS_SelectCRT2Rate) & 0x0F;
-  backupindex = index;
+   index = (SiS_GetReg(SiS_Pr->SiS_P3d4,0x33) >> SiS_Pr->SiS_SelectCRT2Rate) & 0x0F;
+   backupindex = index;
 
-  if(index > 0) index--;
+   if(index > 0) index--;
 
-  if(SiS_Pr->SiS_SetFlag & ProgrammingCRT2) {
-     if(SiS_Pr->SiS_VBType & VB_SISVB) {
-        if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {
-           if(SiS_Pr->SiS_VBType & VB_NoLCD)            index = 0;
-           else if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) index = backupindex = 0;
-        }
-        if(SiS_Pr->SiS_VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) {
-           if(!(SiS_Pr->SiS_VBType & VB_NoLCD)) {
-              temp = LCDRefreshIndex[SiS_GetBIOSLCDResInfo(SiS_Pr)];
-              if(index > temp) index = temp;
-           }
-        }
-     } else {
-        if(SiS_Pr->SiS_VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) index = 0;
-        if(SiS_Pr->SiS_IF_DEF_CH70xx != 0) {
-           if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) index = 0;
-        }
-     }
-  }
+   if(SiS_Pr->SiS_SetFlag & ProgrammingCRT2) {
+      if(SiS_Pr->SiS_VBType & VB_SISVB) {
+         if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {
+            if(SiS_Pr->SiS_VBType & VB_NoLCD)            index = 0;
+            else if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) index = backupindex = 0;
+         }
+         if(SiS_Pr->SiS_VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) {
+            if(!(SiS_Pr->SiS_VBType & VB_NoLCD)) {
+               temp = LCDRefreshIndex[SiS_GetBIOSLCDResInfo(SiS_Pr)];
+               if(index > temp) index = temp;
+            }
+         }
+      } else {
+         if(SiS_Pr->SiS_VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) index = 0;
+         if(SiS_Pr->SiS_IF_DEF_CH70xx != 0) {
+            if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) index = 0;
+         }
+      }
+   }
 
-  RRTI = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].REFindex;
-  ModeNo = SiS_Pr->SiS_RefIndex[RRTI].ModeID;
+   RRTI = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].REFindex;
+   ModeNo = SiS_Pr->SiS_RefIndex[RRTI].ModeID;
 
-  if(HwInfo->jChipType >= SIS_315H) {
-     if(!(SiS_Pr->SiS_VBInfo & DriverMode)) {
-        if( (SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_VESAID == 0x105) ||
-            (SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_VESAID == 0x107) ) {
-           if(backupindex <= 1) RRTI++;
-        }
-     }
-  }
+   if(SiS_Pr->ChipType >= SIS_315H) {
+      if(!(SiS_Pr->SiS_VBInfo & DriverMode)) {
+         if( (SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_VESAID == 0x105) ||
+             (SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_VESAID == 0x107) ) {
+            if(backupindex <= 1) RRTI++;
+         }
+      }
+   }
 
-  i = 0;
-  do {
-     if(SiS_Pr->SiS_RefIndex[RRTI + i].ModeID != ModeNo) break;
-     temp = SiS_Pr->SiS_RefIndex[RRTI + i].Ext_InfoFlag;
-     temp &= ModeTypeMask;
-     if(temp < SiS_Pr->SiS_ModeType) break;
-     i++;
-     index--;
-  } while(index != 0xFFFF);
-
-  if(!(SiS_Pr->SiS_VBInfo & SetCRT2ToRAMDAC)) {
-     if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) {
-        temp = SiS_Pr->SiS_RefIndex[RRTI + i - 1].Ext_InfoFlag;
-        if(temp & InterlaceMode) i++;
-     }
-  }
+   i = 0;
+   do {
+      if(SiS_Pr->SiS_RefIndex[RRTI + i].ModeID != ModeNo) break;
+      temp = SiS_Pr->SiS_RefIndex[RRTI + i].Ext_InfoFlag;
+      temp &= ModeTypeMask;
+      if(temp < SiS_Pr->SiS_ModeType) break;
+      i++;
+      index--;
+   } while(index != 0xFFFF);
+
+   if(!(SiS_Pr->SiS_VBInfo & SetCRT2ToRAMDAC)) {
+      if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) {
+         temp = SiS_Pr->SiS_RefIndex[RRTI + i - 1].Ext_InfoFlag;
+         if(temp & InterlaceMode) i++;
+      }
+   }
 
-  i--;
+   i--;
 
-  if((SiS_Pr->SiS_SetFlag & ProgrammingCRT2) && (!(SiS_Pr->SiS_VBInfo & DisableCRT2Display))) {
-     backup_i = i;
-     if(!(SiS_AdjustCRT2Rate(SiS_Pr, ModeNo, ModeIdIndex, RRTI, &i, HwInfo))) {
-        i = backup_i;
-     }
-  }
+   if((SiS_Pr->SiS_SetFlag & ProgrammingCRT2) && (!(SiS_Pr->SiS_VBInfo & DisableCRT2Display))) {
+      backup_i = i;
+      if(!(SiS_AdjustCRT2Rate(SiS_Pr, ModeNo, ModeIdIndex, RRTI, &i))) {
+         i = backup_i;
+      }
+   }
 
-  return(RRTI + i);
+   return (RRTI + i);
 }
 
 /*********************************************/
@@ -378,15 +389,15 @@ SiS_GetRatePtr(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 /*********************************************/
 
 static void
-SiS_SaveCRT2Info(SiS_Private *SiS_Pr, USHORT ModeNo)
+SiS_SaveCRT2Info(struct SiS_Private *SiS_Pr, unsigned short ModeNo)
 {
-  USHORT temp1,temp2;
+   unsigned short temp1, temp2;
 
-  /* Store CRT1 ModeNo in CR34 */
-  SiS_SetReg(SiS_Pr->SiS_P3d4,0x34,ModeNo);
-  temp1 = (SiS_Pr->SiS_VBInfo & SetInSlaveMode) >> 8;
-  temp2 = ~(SetInSlaveMode >> 8);
-  SiS_SetRegANDOR(SiS_Pr->SiS_P3d4,0x31,temp2,temp1);
+   /* Store CRT1 ModeNo in CR34 */
+   SiS_SetReg(SiS_Pr->SiS_P3d4,0x34,ModeNo);
+   temp1 = (SiS_Pr->SiS_VBInfo & SetInSlaveMode) >> 8;
+   temp2 = ~(SetInSlaveMode >> 8);
+   SiS_SetRegANDOR(SiS_Pr->SiS_P3d4,0x31,temp2,temp1);
 }
 
 /*********************************************/
@@ -395,35 +406,35 @@ SiS_SaveCRT2Info(SiS_Private *SiS_Pr, USHORT ModeNo)
 
 #ifdef SIS300
 static BOOLEAN
-SiS_CR36BIOSWord23b(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_CR36BIOSWord23b(struct SiS_Private *SiS_Pr)
 {
-  UCHAR  *ROMAddr = HwInfo->pjVirtualRomBase;
-  USHORT temp,temp1;
+   unsigned char  *ROMAddr = SiS_Pr->VirtualRomBase;
+   unsigned short temp,temp1;
 
-  if(SiS_Pr->SiS_UseROM) {
-     if((ROMAddr[0x233] == 0x12) && (ROMAddr[0x234] == 0x34)) {
-        temp = 1 << ((SiS_GetReg(SiS_Pr->SiS_P3d4,0x36) >> 4) & 0x0f);
-        temp1 = SISGETROMW(0x23b);
-        if(temp1 & temp) return TRUE;
-     }
-  }
-  return FALSE;
+   if(SiS_Pr->SiS_UseROM) {
+      if((ROMAddr[0x233] == 0x12) && (ROMAddr[0x234] == 0x34)) {
+         temp = 1 << ((SiS_GetReg(SiS_Pr->SiS_P3d4,0x36) >> 4) & 0x0f);
+         temp1 = SISGETROMW(0x23b);
+         if(temp1 & temp) return TRUE;
+      }
+   }
+   return FALSE;
 }
 
 static BOOLEAN
-SiS_CR36BIOSWord23d(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_CR36BIOSWord23d(struct SiS_Private *SiS_Pr)
 {
-  UCHAR  *ROMAddr = HwInfo->pjVirtualRomBase;
-  USHORT temp,temp1;
+   unsigned char  *ROMAddr = SiS_Pr->VirtualRomBase;
+   unsigned short temp,temp1;
 
-  if(SiS_Pr->SiS_UseROM) {
-     if((ROMAddr[0x233] == 0x12) && (ROMAddr[0x234] == 0x34)) {
-        temp = 1 << ((SiS_GetReg(SiS_Pr->SiS_P3d4,0x36) >> 4) & 0x0f);
-        temp1 = SISGETROMW(0x23d);
-        if(temp1 & temp) return TRUE;
-     }
-  }
-  return FALSE;
+   if(SiS_Pr->SiS_UseROM) {
+      if((ROMAddr[0x233] == 0x12) && (ROMAddr[0x234] == 0x34)) {
+         temp = 1 << ((SiS_GetReg(SiS_Pr->SiS_P3d4,0x36) >> 4) & 0x0f);
+         temp1 = SISGETROMW(0x23d);
+         if(temp1 & temp) return TRUE;
+      }
+   }
+   return FALSE;
 }
 #endif
 
@@ -432,85 +443,76 @@ SiS_CR36BIOSWord23d(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
 /*********************************************/
 
 void
-SiS_DDC2Delay(SiS_Private *SiS_Pr, USHORT delaytime)
+SiS_DDC2Delay(struct SiS_Private *SiS_Pr, unsigned int delaytime)
 {
-  USHORT i, j;
+   unsigned int i, j;
 
-  for(i=0; i<delaytime; i++) {
-     j += SiS_GetReg(SiS_Pr->SiS_P3c4,0x05);
-  }
+   for(i = 0; i < delaytime; i++) {
+      j += SiS_GetReg(SiS_Pr->SiS_P3c4,0x05);
+   }
 }
 
 #if defined(SIS300) || defined(SIS315H)
 static void
-SiS_GenericDelay(SiS_Private *SiS_Pr, USHORT delay)
+SiS_GenericDelay(struct SiS_Private *SiS_Pr, unsigned short delay)
 {
-  USHORT temp,flag;
-
-  flag = SiS_GetRegByte(0x61) & 0x10;
-
-  while(delay) {
-     temp = SiS_GetRegByte(0x61) & 0x10;
-     if(temp == flag) continue;
-     flag = temp;
-     delay--;
-  }
+   SiS_DDC2Delay(SiS_Pr, delay * 36);
 }
 #endif
 
 #ifdef SIS315H
 static void
-SiS_LongDelay(SiS_Private *SiS_Pr, USHORT delay)
+SiS_LongDelay(struct SiS_Private *SiS_Pr, unsigned short delay)
 {
-  while(delay--) {
-     SiS_GenericDelay(SiS_Pr,0x19df);
-  }
+   while(delay--) {
+      SiS_GenericDelay(SiS_Pr, 6623);
+   }
 }
 #endif
 
 #if defined(SIS300) || defined(SIS315H)
 static void
-SiS_ShortDelay(SiS_Private *SiS_Pr, USHORT delay)
+SiS_ShortDelay(struct SiS_Private *SiS_Pr, unsigned short delay)
 {
-  while(delay--) {
-     SiS_GenericDelay(SiS_Pr,0x42);
-  }
+   while(delay--) {
+      SiS_GenericDelay(SiS_Pr, 66);
+   }
 }
 #endif
 
 static void
-SiS_PanelDelay(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT DelayTime)
+SiS_PanelDelay(struct SiS_Private *SiS_Pr, unsigned short DelayTime)
 {
 #if defined(SIS300) || defined(SIS315H)
-  UCHAR  *ROMAddr = HwInfo->pjVirtualRomBase;
-  USHORT PanelID, DelayIndex, Delay=0;
+   unsigned char  *ROMAddr = SiS_Pr->VirtualRomBase;
+   unsigned short PanelID, DelayIndex, Delay=0;
 #endif
 
-  if(HwInfo->jChipType < SIS_315H) {
+   if(SiS_Pr->ChipType < SIS_315H) {
 
 #ifdef SIS300
 
       PanelID = SiS_GetReg(SiS_Pr->SiS_P3d4,0x36);
       if(SiS_Pr->SiS_VBType & VB_SISVB) {
-         if(SiS_Pr->SiS_VBType & VB_SIS301) PanelID &= 0xf7;
-         if(!(SiS_GetReg(SiS_Pr->SiS_P3c4,0x18) & 0x10)) PanelID = 0x12;
+         if(SiS_Pr->SiS_VBType & VB_SIS301) PanelID &= 0xf7;
+         if(!(SiS_GetReg(SiS_Pr->SiS_P3c4,0x18) & 0x10)) PanelID = 0x12;
       }
       DelayIndex = PanelID >> 4;
       if((DelayTime >= 2) && ((PanelID & 0x0f) == 1))  {
-         Delay = 3;
+         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(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];
-            }
-         }
+            if(ROMAddr[0x220] & 0x40) {
+               if(!(DelayTime & 0x01)) Delay = (unsigned short)ROMAddr[0x225];
+               else                    Delay = (unsigned short)ROMAddr[0x226];
+            }
+         }
       }
       SiS_ShortDelay(SiS_Pr, Delay);
 
@@ -520,23 +522,23 @@ SiS_PanelDelay(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT DelayTime)
 
 #ifdef SIS315H
 
-      if((HwInfo->jChipType >= SIS_661)    ||
-         (HwInfo->jChipType <= SIS_315PRO) ||
-         (HwInfo->jChipType == SIS_330)    ||
+      if((SiS_Pr->ChipType >= SIS_661)    ||
+         (SiS_Pr->ChipType <= SIS_315PRO) ||
+         (SiS_Pr->ChipType == SIS_330)    ||
          (SiS_Pr->SiS_ROMNew)) {
 
-         if(!(DelayTime & 0x01)) {
+         if(!(DelayTime & 0x01)) {
             SiS_DDC2Delay(SiS_Pr, 0x1000);
-         } else {
+         } 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_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_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;
             }
@@ -546,35 +548,35 @@ SiS_PanelDelay(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT DelayTime)
                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];
-               }
+               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];
-                     }
-                  }
-               }
-            }
+                  if(ROMAddr[0x13c] & 0x40) {
+                     if(!(DelayTime & 0x01)) {
+                        Delay = (unsigned short)ROMAddr[0x17e];
+                     } else {
+                        Delay = (unsigned short)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];
-         }
+         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);
 
@@ -587,12 +589,11 @@ SiS_PanelDelay(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT DelayTime)
 
 #ifdef SIS315H
 static void
-SiS_PanelDelayLoop(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
-                      USHORT DelayTime, USHORT DelayLoop)
+SiS_PanelDelayLoop(struct SiS_Private *SiS_Pr, unsigned short DelayTime, unsigned short DelayLoop)
 {
    int i;
-   for(i=0; i<DelayLoop; i++) {
-      SiS_PanelDelay(SiS_Pr, HwInfo, DelayTime);
+   for(i = 0; i < DelayLoop; i++) {
+      SiS_PanelDelay(SiS_Pr, DelayTime);
    }
 }
 #endif
@@ -602,86 +603,86 @@ SiS_PanelDelayLoop(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
 /*********************************************/
 
 void
-SiS_WaitRetrace1(SiS_Private *SiS_Pr)
+SiS_WaitRetrace1(struct SiS_Private *SiS_Pr)
 {
-  USHORT watchdog;
+   unsigned short watchdog;
 
-  if(SiS_GetReg(SiS_Pr->SiS_P3c4,0x1f) & 0xc0) return;
-  if(!(SiS_GetReg(SiS_Pr->SiS_P3d4,0x17) & 0x80)) return;
+   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);
+   watchdog = 65535;
+   while((SiS_GetRegByte(SiS_Pr->SiS_P3da) & 0x08) && --watchdog);
+   watchdog = 65535;
+   while((!(SiS_GetRegByte(SiS_Pr->SiS_P3da) & 0x08)) && --watchdog);
 }
 
 #if defined(SIS300) || defined(SIS315H)
 static void
-SiS_WaitRetrace2(SiS_Private *SiS_Pr, USHORT reg)
+SiS_WaitRetrace2(struct SiS_Private *SiS_Pr, unsigned short reg)
 {
-  USHORT watchdog;
+   unsigned short 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);
+   watchdog = 65535;
+   while((SiS_GetReg(SiS_Pr->SiS_Part1Port,reg) & 0x02) && --watchdog);
+   watchdog = 65535;
+   while((!(SiS_GetReg(SiS_Pr->SiS_Part1Port,reg) & 0x02)) && --watchdog);
 }
 #endif
 
 static void
-SiS_WaitVBRetrace(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_WaitVBRetrace(struct SiS_Private *SiS_Pr)
 {
-  if(HwInfo->jChipType < SIS_315H) {
+   if(SiS_Pr->ChipType < 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);
-     }
+      if(SiS_Pr->SiS_VBType & VB_SIS30xBLV) {
+         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 {
+   } else {
 #ifdef SIS315H
-     if(!(SiS_GetReg(SiS_Pr->SiS_Part1Port,0x00) & 0x40)) {
-        SiS_WaitRetrace1(SiS_Pr);
-     } else {
-        SiS_WaitRetrace2(SiS_Pr, 0x30);
-     }
+      if(!(SiS_GetReg(SiS_Pr->SiS_Part1Port,0x00) & 0x40)) {
+         SiS_WaitRetrace1(SiS_Pr);
+      } else {
+         SiS_WaitRetrace2(SiS_Pr, 0x30);
+      }
 #endif
-  }
+   }
 }
 
 static void
-SiS_VBWait(SiS_Private *SiS_Pr)
+SiS_VBWait(struct SiS_Private *SiS_Pr)
 {
-  USHORT tempal,temp,i,j;
+   unsigned short 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;
-  }
+   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 void
-SiS_VBLongWait(SiS_Private *SiS_Pr)
+SiS_VBLongWait(struct SiS_Private *SiS_Pr)
 {
-  if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
-     SiS_VBWait(SiS_Pr);
-  } else {
-     SiS_WaitRetrace1(SiS_Pr);
-  }
+   if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
+      SiS_VBWait(SiS_Pr);
+   } else {
+      SiS_WaitRetrace1(SiS_Pr);
+   }
 }
 
 /*********************************************/
@@ -690,237 +691,225 @@ SiS_VBLongWait(SiS_Private *SiS_Pr)
 
 #ifdef SIS300
 static BOOLEAN
-SiS_Is301B(SiS_Private *SiS_Pr)
+SiS_Is301B(struct SiS_Private *SiS_Pr)
 {
-  if(SiS_GetReg(SiS_Pr->SiS_Part4Port,0x01) >= 0xb0) return TRUE;
-  return FALSE;
+   if(SiS_GetReg(SiS_Pr->SiS_Part4Port,0x01) >= 0xb0) return TRUE;
+   return FALSE;
 }
 #endif
 
 static BOOLEAN
-SiS_CRT2IsLCD(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_CRT2IsLCD(struct SiS_Private *SiS_Pr)
 {
-  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;
+   if(SiS_Pr->ChipType == SIS_730) {
+      if(SiS_GetReg(SiS_Pr->SiS_P3c4,0x13) & 0x20) return TRUE;
+   }
+   if(SiS_GetReg(SiS_Pr->SiS_P3d4,0x30) & 0x20) return TRUE;
+   return FALSE;
 }
 
 BOOLEAN
-SiS_IsDualEdge(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_IsDualEdge(struct SiS_Private *SiS_Pr)
 {
 #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;
-     }
-  }
+   if(SiS_Pr->ChipType >= SIS_315H) {
+      if((SiS_Pr->ChipType != SIS_650) || (SiS_GetReg(SiS_Pr->SiS_P3d4,0x5f) & 0xf0)) {
+         if(SiS_GetReg(SiS_Pr->SiS_P3d4,0x38) & EnableDualEdge) return TRUE;
+      }
+   }
 #endif
-  return FALSE;
+   return FALSE;
 }
 
 BOOLEAN
-SiS_IsVAMode(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_IsVAMode(struct SiS_Private *SiS_Pr)
 {
 #ifdef SIS315H
-  USHORT flag;
+   unsigned short flag;
 
-  if(HwInfo->jChipType >= SIS_315H) {
-     flag = SiS_GetReg(SiS_Pr->SiS_P3d4,0x38);
-     if((flag & EnableDualEdge) && (flag & SetToLCDA)) return TRUE;
-  }
+   if(SiS_Pr->ChipType >= SIS_315H) {
+      flag = SiS_GetReg(SiS_Pr->SiS_P3d4,0x38);
+      if((flag & EnableDualEdge) && (flag & SetToLCDA)) return TRUE;
+   }
 #endif
-  return FALSE;
+   return FALSE;
 }
 
 #ifdef SIS315H
 static BOOLEAN
-SiS_IsVAorLCD(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_IsVAorLCD(struct SiS_Private *SiS_Pr)
 {
-  if(SiS_IsVAMode(SiS_Pr,HwInfo))   return TRUE;
-  if(SiS_CRT2IsLCD(SiS_Pr, HwInfo)) return TRUE;
-  return FALSE;
+   if(SiS_IsVAMode(SiS_Pr))  return TRUE;
+   if(SiS_CRT2IsLCD(SiS_Pr)) return TRUE;
+   return FALSE;
 }
 #endif
 
 static BOOLEAN
-SiS_IsDualLink(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_IsDualLink(struct SiS_Private *SiS_Pr)
 {
 #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;
-     }
-  }
+   if(SiS_Pr->ChipType >= SIS_315H) {
+      if((SiS_CRT2IsLCD(SiS_Pr)) ||
+         (SiS_IsVAMode(SiS_Pr))) {
+         if(SiS_Pr->SiS_LCDInfo & LCDDualLink) return TRUE;
+      }
+   }
 #endif
-  return FALSE;
+   return FALSE;
 }
 
 #ifdef SIS315H
 static BOOLEAN
-SiS_TVEnabled(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_TVEnabled(struct SiS_Private *SiS_Pr)
 {
-  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;
+   if((SiS_GetReg(SiS_Pr->SiS_Part2Port,0x00) & 0x0f) != 0x0c) return TRUE;
+   if(SiS_Pr->SiS_VBType & VB_SISYPBPR) {
+      if(SiS_GetReg(SiS_Pr->SiS_Part2Port,0x4d) & 0x10) return TRUE;
+   }
+   return FALSE;
 }
 #endif
 
 #ifdef SIS315H
 static BOOLEAN
-SiS_LCDAEnabled(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_LCDAEnabled(struct SiS_Private *SiS_Pr)
 {
-  if(SiS_GetReg(SiS_Pr->SiS_Part1Port,0x13) & 0x04) return TRUE;
-  return FALSE;
+   if(SiS_GetReg(SiS_Pr->SiS_Part1Port,0x13) & 0x04) return TRUE;
+   return FALSE;
 }
 #endif
 
 #ifdef SIS315H
 static BOOLEAN
-SiS_WeHaveBacklightCtrl(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_WeHaveBacklightCtrl(struct SiS_Private *SiS_Pr)
 {
-  if((HwInfo->jChipType >= SIS_315H) && (HwInfo->jChipType < SIS_661)) {
-     if(SiS_GetReg(SiS_Pr->SiS_P3d4,0x79) & 0x10) return TRUE;
-  }
-  return FALSE;
+   if((SiS_Pr->ChipType >= SIS_315H) && (SiS_Pr->ChipType < SIS_661)) {
+      if(SiS_GetReg(SiS_Pr->SiS_P3d4,0x79) & 0x10) return TRUE;
+   }
+   return FALSE;
 }
 #endif
 
 #ifdef SIS315H
 static BOOLEAN
-SiS_IsNotM650orLater(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_IsNotM650orLater(struct SiS_Private *SiS_Pr)
 {
-  USHORT flag;
+   unsigned short 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;
+   if(SiS_Pr->ChipType == SIS_650) {
+      flag = SiS_GetReg(SiS_Pr->SiS_P3d4,0x5f) & 0xf0;
+      /* Check for revision != A0 only */
+      if((flag == 0xe0) || (flag == 0xc0) ||
+         (flag == 0xb0) || (flag == 0x90)) return FALSE;
+   } else if(SiS_Pr->ChipType >= SIS_661) return FALSE;
+   return TRUE;
 }
 #endif
 
 #ifdef SIS315H
 static BOOLEAN
-SiS_IsYPbPr(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_IsYPbPr(struct SiS_Private *SiS_Pr)
 {
-  USHORT flag;
-
-  if(HwInfo->jChipType >= SIS_315H) {
-     flag = SiS_GetReg(SiS_Pr->SiS_P3d4,0x38);
-     if(flag & EnableCHYPbPr) return TRUE;  /* = YPrPb = 0x08 */
-  }
-  return FALSE;
+   if(SiS_Pr->ChipType >= SIS_315H) {
+      /* YPrPb = 0x08 */
+      if(SiS_GetReg(SiS_Pr->SiS_P3d4,0x38) & EnableCHYPbPr) return TRUE;
+   }
+   return FALSE;
 }
 #endif
 
 #ifdef SIS315H
 static BOOLEAN
-SiS_IsChScart(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_IsChScart(struct SiS_Private *SiS_Pr)
 {
-  USHORT flag;
-
-  if(HwInfo->jChipType >= SIS_315H) {
-     flag = SiS_GetReg(SiS_Pr->SiS_P3d4,0x38);
-     if(flag & EnableCHScart) return TRUE;  /* = Scart = 0x04 */
-  }
-  return FALSE;
+   if(SiS_Pr->ChipType >= SIS_315H) {
+      /* Scart = 0x04 */
+      if(SiS_GetReg(SiS_Pr->SiS_P3d4,0x38) & EnableCHScart) return TRUE;
+   }
+   return FALSE;
 }
 #endif
 
 #ifdef SIS315H
 static BOOLEAN
-SiS_IsTVOrYPbPrOrScart(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_IsTVOrYPbPrOrScart(struct SiS_Private *SiS_Pr)
 {
-  USHORT flag;
+   unsigned short 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;
+   if(SiS_Pr->ChipType >= 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 SIS315H
 static BOOLEAN
-SiS_IsLCDOrLCDA(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_IsLCDOrLCDA(struct SiS_Private *SiS_Pr)
 {
-  USHORT flag;
+   unsigned short 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;
+   if(SiS_Pr->ChipType >= 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;
 }
 #endif
 
 static BOOLEAN
-SiS_BridgeIsOn(SiS_Private *SiS_Pr)
+SiS_HaveBridge(struct SiS_Private *SiS_Pr)
 {
-  USHORT flag;
+   unsigned short 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;
+   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 BOOLEAN
-SiS_BridgeIsEnabled(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_BridgeIsEnabled(struct SiS_Private *SiS_Pr)
 {
-  USHORT flag;
+   unsigned short 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;
+   if(SiS_HaveBridge(SiS_Pr)) {
+      flag = SiS_GetReg(SiS_Pr->SiS_Part1Port,0x00);
+      if(SiS_Pr->ChipType < SIS_315H) {
+        flag &= 0xa0;
+        if((flag == 0x80) || (flag == 0x20)) return TRUE;
+      } else {
+        flag &= 0x50;
+        if((flag == 0x40) || (flag == 0x10)) return TRUE;
+      }
+   }
+   return FALSE;
 }
 
 static BOOLEAN
-SiS_BridgeInSlavemode(SiS_Private *SiS_Pr)
+SiS_BridgeInSlavemode(struct SiS_Private *SiS_Pr)
 {
-  USHORT flag1;
+   unsigned short flag1;
 
-  flag1 = SiS_GetReg(SiS_Pr->SiS_P3d4,0x31);
-  if(flag1 & (SetInSlaveMode >> 8)) return TRUE;
-  return FALSE;
+   flag1 = SiS_GetReg(SiS_Pr->SiS_P3d4,0x31);
+   if(flag1 & (SetInSlaveMode >> 8)) return TRUE;
+   return FALSE;
 }
 
 /*********************************************/
@@ -928,119 +917,97 @@ SiS_BridgeInSlavemode(SiS_Private *SiS_Pr)
 /*********************************************/
 
 /* Setup general purpose IO for Chrontel communication */
+#ifdef SIS300
 void
-SiS_SetChrontelGPIO(SiS_Private *SiS_Pr, USHORT myvbinfo)
+SiS_SetChrontelGPIO(struct SiS_Private *SiS_Pr, unsigned short myvbinfo)
 {
-   unsigned long  acpibase;
+   unsigned int   acpibase;
    unsigned short temp;
 
    if(!(SiS_Pr->SiS_ChSW)) return;
 
-#ifdef LINUX_KERNEL
-   SiS_SetRegLong(0xcf8,0x80000874);                   /* get ACPI base */
-   acpibase = SiS_GetRegLong(0xcfc);
+#ifdef SIS_LINUX_KERNEL
+   acpibase = sisfb_read_lpc_pci_dword(SiS_Pr, 0x74);
 #else
    acpibase = pciReadLong(0x00000800, 0x74);
 #endif
    acpibase &= 0xFFFF;
-   temp = SiS_GetRegShort((USHORT)(acpibase + 0x3c));  /* ACPI register 0x3c: GP Event 1 I/O mode select */
+   if(!acpibase) return;
+   temp = SiS_GetRegShort((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) */
+   SiS_SetRegShort((acpibase + 0x3c), temp);
+   temp = SiS_GetRegShort((acpibase + 0x3c));
+   temp = SiS_GetRegShort((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));
+   SiS_SetRegShort((acpibase + 0x3a), temp);
+   temp = SiS_GetRegShort((acpibase + 0x3a));
 }
+#endif
 
 void
-SiS_GetVBInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
-              PSIS_HW_INFO HwInfo, int checkcrt2mode)
+SiS_GetVBInfo(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
+                unsigned short ModeIdIndex, int checkcrt2mode)
 {
-  USHORT tempax,tempbx,temp;
-  USHORT modeflag, resinfo=0;
+   unsigned short tempax, tempbx, temp;
+   unsigned short 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_SetFlag = 0;
+   modeflag = SiS_GetModeFlag(SiS_Pr, ModeNo, ModeIdIndex);
 
-  SiS_Pr->SiS_ModeType = modeflag & ModeTypeMask;
+   SiS_Pr->SiS_ModeType = modeflag & ModeTypeMask;
 
-  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;
+   if((ModeNo > 0x13) && (!SiS_Pr->UseCustomMode)) {
+      resinfo = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_RESINFO;
+   }
+
+   tempbx = 0;
+
+   if(SiS_HaveBridge(SiS_Pr)) {
+
+        temp = SiS_GetReg(SiS_Pr->SiS_P3d4,0x30);
+        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_SISLCDA) {
+        if(SiS_Pr->ChipType >= SIS_315H) {
+           if(SiS_Pr->SiS_VBType & VB_SISLCDA) {
               if(ModeNo == 0x03) {
-                 /* Mode 0x03 is never in driver mode */
+                 /* 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 */
+                 /* 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_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));
+                          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((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) {
+           if(SiS_Pr->ChipType >= SIS_661) { /* New CR layout */
               tempbx &= ~(SetCRT2ToYPbPr525750 | SetCRT2ToHiVision);
-              temp = SiS_GetReg(SiS_Pr->SiS_P3d4,0x38);
-              if(SiS_Pr->SiS_VBType & VB_SISYPBPR) {
-                 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_SISHIVISION) {
-                 if(temp & 0x04) {
-                    temp = SiS_GetReg(SiS_Pr->SiS_P3d4,0x35) & 0xe0;
-                    if(temp == 0x60) tempbx |= SetCRT2ToHiVision;
+              if(SiS_GetReg(SiS_Pr->SiS_P3d4,0x38) & 0x04) {
+                 temp = SiS_GetReg(SiS_Pr->SiS_P3d4,0x35) & 0xe0;
+                 if(temp == 0x60) tempbx |= SetCRT2ToHiVision;
+                 else if(SiS_Pr->SiS_VBType & VB_SISYPBPR) {
+                    tempbx |= SetCRT2ToYPbPr525750;
                  }
               }
-           }
+           }
 
            if(SiS_Pr->SiS_IF_DEF_LVDS == 1) {
               temp = SiS_GetReg(SiS_Pr->SiS_P3d4,0x38);
@@ -1048,7 +1015,7 @@ SiS_GetVBInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
                  tempbx |= SetCRT2ToLCDA;
               }
               if(SiS_Pr->SiS_IF_DEF_CH70xx != 0) {
-                 if(temp & EnableCHYPbPr) {
+                 if(temp & EnableCHYPbPr) {
                     tempbx |= SetCRT2ToCHYPbPr;
                  }
               }
@@ -1057,44 +1024,49 @@ SiS_GetVBInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 
 #endif  /* SIS315H */
 
-        if(SiS_Pr->SiS_VBType & VB_SISVB) {
+        if(!(SiS_Pr->SiS_VBType & VB_SISVGA2)) {
+           tempbx &= ~(SetCRT2ToRAMDAC);
+        }
+
+        if(SiS_Pr->SiS_VBType & VB_SISVB) {
            temp = SetCRT2ToSVIDEO   |
-                  SetCRT2ToAVIDEO   |
-                  SetCRT2ToSCART    |
-                  SetCRT2ToLCDA     |
-                  SetCRT2ToLCD      |
-                  SetCRT2ToRAMDAC   |
-                  SetCRT2ToHiVision |
+                  SetCRT2ToAVIDEO   |
+                  SetCRT2ToSCART    |
+                  SetCRT2ToLCDA     |
+                  SetCRT2ToLCD      |
+                  SetCRT2ToRAMDAC   |
+                  SetCRT2ToHiVision |
                   SetCRT2ToYPbPr525750;
-        } else {
-           if(HwInfo->jChipType >= SIS_315H) {
-              if(SiS_Pr->SiS_IF_DEF_CH70xx != 0) {
-                 temp = SetCRT2ToAVIDEO |
+        } else {
+           if(SiS_Pr->ChipType >= SIS_315H) {
+              if(SiS_Pr->SiS_IF_DEF_CH70xx != 0) {
+                 temp = SetCRT2ToAVIDEO |
                         SetCRT2ToSVIDEO |
                         SetCRT2ToSCART  |
                         SetCRT2ToLCDA   |
                         SetCRT2ToLCD    |
                         SetCRT2ToCHYPbPr;
-              } else {
-                 temp = SetCRT2ToLCDA   |
+              } else {
+                 temp = SetCRT2ToLCDA   |
                         SetCRT2ToLCD;
               }
            } else {
-              if(SiS_Pr->SiS_IF_DEF_CH70xx != 0) {
-                 temp = SetCRT2ToTV | SetCRT2ToLCD;
-              } else {
-                 temp = SetCRT2ToLCD;
+              if(SiS_Pr->SiS_IF_DEF_CH70xx != 0) {
+                 temp = SetCRT2ToTV | SetCRT2ToLCD;
+              } else {
+                 temp = SetCRT2ToLCD;
               }
            }
-        }
+        }
+
+        if(!(tempbx & temp)) {
+           tempax = DisableCRT2Display;
+           tempbx = 0;
+        }
 
-        if(!(tempbx & temp)) {
-           tempax = DisableCRT2Display;
-           tempbx = 0;
-        }
+        if(SiS_Pr->SiS_VBType & VB_SISVB) {
 
-        if(SiS_Pr->SiS_VBType & VB_SISVB) {
-           USHORT clearmask = ( DriverMode         |
+           unsigned short clearmask = ( DriverMode |
                                 DisableCRT2Display |
                                 LoadDACFlag        |
                                 SetNotSimuMode     |
@@ -1102,106 +1074,104 @@ SiS_GetVBInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
                                 SetPALTV           |
                                 SwitchCRT2         |
                                 SetSimuScanMode );
-           if(tempbx & SetCRT2ToLCDA)        tempbx &= (clearmask | SetCRT2ToLCDA);
+
+           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) {
+
+        } else {
+
+           if(SiS_Pr->ChipType >= SIS_315H) {
               if(tempbx & SetCRT2ToLCDA) {
-                 tempbx &= (0xFF00|SwitchCRT2|SetSimuScanMode);
+                 tempbx &= (0xFF00|SwitchCRT2|SetSimuScanMode);
               }
            }
-           if(SiS_Pr->SiS_IF_DEF_CH70xx != 0) {
-              if(tempbx & SetCRT2ToTV) {
-                 tempbx &= (0xFF00|SetCRT2ToTV|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 & SetCRT2ToLCD) {
+              tempbx &= (0xFF00|SetCRT2ToLCD|SwitchCRT2|SetSimuScanMode);
+           }
+           if(SiS_Pr->ChipType >= SIS_315H) {
               if(tempbx & SetCRT2ToLCDA) {
                  tempbx |= SetCRT2ToLCD;
               }
            }
+
         }
 
-        if(tempax & DisableCRT2Display) {
-           if(!(tempbx & (SwitchCRT2 | SetSimuScanMode))) {
-              tempbx = SetSimuScanMode | DisableCRT2Display;
-           }
-        }
+        if(tempax & DisableCRT2Display) {
+           if(!(tempbx & (SwitchCRT2 | SetSimuScanMode))) {
+              tempbx = SetSimuScanMode | DisableCRT2Display;
+           }
+        }
 
-        if(!(tempbx & DriverMode)) tempbx |= SetSimuScanMode;
+        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);
+              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;
-                 }
+        if(!(tempbx & SetSimuScanMode)) {
+           if(tempbx & SwitchCRT2) {
+              if((!(modeflag & CRT2Mode)) && (checkcrt2mode)) {
+                 if(resinfo != SIS_RI_1600x1200) {
+                    tempbx |= SetSimuScanMode;
+                 }
               }
-           } else {
-              if(SiS_BridgeIsEnabled(SiS_Pr,HwInfo)) {
-                 if(!(tempbx & DriverMode)) {
-                    if(SiS_BridgeInSlavemode(SiS_Pr)) {
+           } else {
+              if(SiS_BridgeIsEnabled(SiS_Pr)) {
+                 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;
-           }
-        }
+                    }
+                 }
+              }
+           }
+        }
 
-  }
+        if(!(tempbx & DisableCRT2Display)) {
+           if(tempbx & DriverMode) {
+              if(tempbx & SetSimuScanMode) {
+                 if((!(modeflag & CRT2Mode)) && (checkcrt2mode)) {
+                    if(resinfo != SIS_RI_1600x1200) {
+                       tempbx |= SetInSlaveMode;
+                    }
+                 }
+              }
+           } else {
+              tempbx |= SetInSlaveMode;
+           }
+        }
 
-  SiS_Pr->SiS_VBInfo = tempbx;
+   }
 
-  if(HwInfo->jChipType == SIS_630) {
-     SiS_SetChrontelGPIO(SiS_Pr, SiS_Pr->SiS_VBInfo);
-  }
+   SiS_Pr->SiS_VBInfo = tempbx;
 
-#ifdef TWDEBUG
-#ifdef LINUX_KERNEL
-  printk(KERN_DEBUG "sisfb: (VBInfo= 0x%04x, SetFlag=0x%04x)\n",
+#ifdef SIS300
+   if(SiS_Pr->ChipType == SIS_630) {
+      SiS_SetChrontelGPIO(SiS_Pr, SiS_Pr->SiS_VBInfo);
+   }
+#endif
+
+#ifdef SIS_LINUX_KERNEL
+#if 0
+   printk(KERN_DEBUG "sisfb: (init301: 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",
+#endif
+#ifdef SIS_XORG_XF86
+#ifdef TWDEBUG
+   xf86DrvMsg(0, X_PROBED, "(init301: VBInfo=0x%04x, SetFlag=0x%04x)\n",
       SiS_Pr->SiS_VBInfo, SiS_Pr->SiS_SetFlag);
 #endif
 #endif
@@ -1212,41 +1182,41 @@ SiS_GetVBInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 /*********************************************/
 
 void
-SiS_SetYPbPr(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_SetYPbPr(struct SiS_Private *SiS_Pr)
 {
 
-  UCHAR temp;
+   unsigned char 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.
-   */
+   /* 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;
+   SiS_Pr->SiS_YPbPr = 0;
+   if(SiS_Pr->ChipType >= SIS_661) return;
 
-  if(SiS_Pr->SiS_VBType) {
-     if(SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision) {
-        SiS_Pr->SiS_YPbPr = YPbPrHiVision;
-     }
-  }
+   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;
-           }
-        }
-     }
-  }
+   if(SiS_Pr->ChipType >= SIS_315H) {
+      if(SiS_Pr->SiS_VBType & VB_SISYPBPR) {
+         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;
+            }
+         }
+      }
+   }
 
 }
 
@@ -1255,199 +1225,204 @@ SiS_SetYPbPr(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
 /*********************************************/
 
 void
-SiS_SetTVMode(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex, PSIS_HW_INFO HwInfo)
+SiS_SetTVMode(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex)
 {
-  UCHAR  *ROMAddr = HwInfo->pjVirtualRomBase;
-  USHORT temp, temp1, resinfo = 0, romindex = 0;
-  UCHAR  OutputSelect = *SiS_Pr->pSiS_OutputSelect;
+   unsigned char  *ROMAddr = SiS_Pr->VirtualRomBase;
+   unsigned short temp, temp1, resinfo = 0, romindex = 0;
+   unsigned char  OutputSelect = *SiS_Pr->pSiS_OutputSelect;
 
-  SiS_Pr->SiS_TVMode = 0;
+   SiS_Pr->SiS_TVMode = 0;
 
-  if(!(SiS_Pr->SiS_VBInfo & SetCRT2ToTV)) return;
-  if(SiS_Pr->UseCustomMode) return;
+   if(!(SiS_Pr->SiS_VBInfo & SetCRT2ToTV)) return;
+   if(SiS_Pr->UseCustomMode) return;
 
-  if(ModeNo > 0x13) {
-     resinfo = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_RESINFO;
-  }
+   if(ModeNo > 0x13) {
+      resinfo = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_RESINFO;
+   }
 
-  if(HwInfo->jChipType < SIS_661) {
+   if(SiS_Pr->ChipType < SIS_661) {
 
-     if(SiS_Pr->SiS_VBInfo & SetPALTV) SiS_Pr->SiS_TVMode |= TVSetPAL;
+      if(SiS_Pr->SiS_VBInfo & SetPALTV) SiS_Pr->SiS_TVMode |= TVSetPAL;
 
-     if(SiS_Pr->SiS_VBType & VB_SISVB) {
-        temp = 0;
-        if((HwInfo->jChipType == SIS_630) ||
-           (HwInfo->jChipType == SIS_730)) {
-           temp = 0x35;
-           romindex = 0xfe;
-        } else if(HwInfo->jChipType >= SIS_315H) {
-           temp = 0x38;
-           romindex = 0xf3;
-           if(HwInfo->jChipType >= SIS_330) romindex = 0x11b;
-        }
-        if(temp) {
-           if(romindex && SiS_Pr->SiS_UseROM && (!(SiS_Pr->SiS_ROMNew))) {
-              OutputSelect = ROMAddr[romindex];
-              if(!(OutputSelect & EnablePALMN)) {
-                 SiS_SetRegAND(SiS_Pr->SiS_P3d4,temp,0x3F);
-              }
-           }
-           temp1 = SiS_GetReg(SiS_Pr->SiS_P3d4,temp);
-           if(SiS_Pr->SiS_TVMode & TVSetPAL) {
-              if(temp1 & EnablePALM) {          /* 0x40 */
-                 SiS_Pr->SiS_TVMode |= TVSetPALM;
-                 SiS_Pr->SiS_TVMode &= ~TVSetPAL;
-              } else if(temp1 & EnablePALN) {   /* 0x80 */
-                 SiS_Pr->SiS_TVMode |= TVSetPALN;
-              }
-           } else {
-              if(temp1 & EnableNTSCJ) {         /* 0x40 */
-                 SiS_Pr->SiS_TVMode |= TVSetNTSCJ;
-              }
-           }
-        }
-        /* Translate HiVision/YPbPr to our new flags */
-        if(SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision) {
-           if(SiS_Pr->SiS_YPbPr == YPbPr750p)          SiS_Pr->SiS_TVMode |= TVSetYPbPr750p;
-           else if(SiS_Pr->SiS_YPbPr == YPbPr525p)     SiS_Pr->SiS_TVMode |= TVSetYPbPr525p;
-           else if(SiS_Pr->SiS_YPbPr == YPbPrHiVision) SiS_Pr->SiS_TVMode |= TVSetHiVision;
-           else                                        SiS_Pr->SiS_TVMode |= TVSetYPbPr525i;
-           if(SiS_Pr->SiS_TVMode & (TVSetYPbPr750p | TVSetYPbPr525p | TVSetYPbPr525i)) {
-              SiS_Pr->SiS_VBInfo &= ~SetCRT2ToHiVision;
-              SiS_Pr->SiS_VBInfo |= SetCRT2ToYPbPr525750;
-           } else if(SiS_Pr->SiS_TVMode & TVSetHiVision) {
-              SiS_Pr->SiS_TVMode |= TVSetPAL;
-           }
-        }
-     } else if(SiS_Pr->SiS_IF_DEF_CH70xx != 0) {
-        if(SiS_Pr->SiS_CHOverScan) {
-           if(SiS_Pr->SiS_IF_DEF_CH70xx == 1) {
-              temp = SiS_GetReg(SiS_Pr->SiS_P3d4,0x35);
-              if((temp & TVOverScan) || (SiS_Pr->SiS_CHOverScan == 1)) {
-                 SiS_Pr->SiS_TVMode |= TVSetCHOverScan;
-              }
-           } else if(SiS_Pr->SiS_IF_DEF_CH70xx == 2) {
-              temp = SiS_GetReg(SiS_Pr->SiS_P3d4,0x79);
-              if((temp & 0x80) || (SiS_Pr->SiS_CHOverScan == 1)) {
-                 SiS_Pr->SiS_TVMode |= TVSetCHOverScan;
-              }
-           }
-           if(SiS_Pr->SiS_CHSOverScan) {
-              SiS_Pr->SiS_TVMode |= TVSetCHOverScan;
-           }
-        }
-        if(SiS_Pr->SiS_IF_DEF_CH70xx == 2) {
-           temp = SiS_GetReg(SiS_Pr->SiS_P3d4,0x38);
-           if(SiS_Pr->SiS_TVMode & TVSetPAL) {
-              if(temp & EnablePALM)      SiS_Pr->SiS_TVMode |= TVSetPALM;
-              else if(temp & EnablePALN) SiS_Pr->SiS_TVMode |= TVSetPALN;
-           } else {
-              if(temp & EnableNTSCJ) {
-                 SiS_Pr->SiS_TVMode |= TVSetNTSCJ;
-              }
-           }
-        }
-     }
+      if(SiS_Pr->SiS_VBType & VB_SISVB) {
+         temp = 0;
+         if((SiS_Pr->ChipType == SIS_630) ||
+            (SiS_Pr->ChipType == SIS_730)) {
+            temp = 0x35;
+            romindex = 0xfe;
+         } else if(SiS_Pr->ChipType >= SIS_315H) {
+            temp = 0x38;
+            if(SiS_Pr->ChipType < XGI_20) {
+               romindex = 0xf3;
+               if(SiS_Pr->ChipType >= SIS_330) romindex = 0x11b;
+            }
+         }
+         if(temp) {
+            if(romindex && SiS_Pr->SiS_UseROM && (!(SiS_Pr->SiS_ROMNew))) {
+               OutputSelect = ROMAddr[romindex];
+               if(!(OutputSelect & EnablePALMN)) {
+                  SiS_SetRegAND(SiS_Pr->SiS_P3d4,temp,0x3F);
+               }
+            }
+            temp1 = SiS_GetReg(SiS_Pr->SiS_P3d4,temp);
+            if(SiS_Pr->SiS_TVMode & TVSetPAL) {
+               if(temp1 & EnablePALM) {         /* 0x40 */
+                  SiS_Pr->SiS_TVMode |= TVSetPALM;
+                  SiS_Pr->SiS_TVMode &= ~TVSetPAL;
+               } else if(temp1 & EnablePALN) {  /* 0x80 */
+                  SiS_Pr->SiS_TVMode |= TVSetPALN;
+               }
+            } else {
+               if(temp1 & EnableNTSCJ) {        /* 0x40 */
+                  SiS_Pr->SiS_TVMode |= TVSetNTSCJ;
+               }
+            }
+         }
+         /* Translate HiVision/YPbPr to our new flags */
+         if(SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision) {
+            if(SiS_Pr->SiS_YPbPr == YPbPr750p)          SiS_Pr->SiS_TVMode |= TVSetYPbPr750p;
+            else if(SiS_Pr->SiS_YPbPr == YPbPr525p)     SiS_Pr->SiS_TVMode |= TVSetYPbPr525p;
+            else if(SiS_Pr->SiS_YPbPr == YPbPrHiVision) SiS_Pr->SiS_TVMode |= TVSetHiVision;
+            else                                        SiS_Pr->SiS_TVMode |= TVSetYPbPr525i;
+            if(SiS_Pr->SiS_TVMode & (TVSetYPbPr750p | TVSetYPbPr525p | TVSetYPbPr525i)) {
+               SiS_Pr->SiS_VBInfo &= ~SetCRT2ToHiVision;
+               SiS_Pr->SiS_VBInfo |= SetCRT2ToYPbPr525750;
+            } else if(SiS_Pr->SiS_TVMode & TVSetHiVision) {
+               SiS_Pr->SiS_TVMode |= TVSetPAL;
+            }
+         }
+      } else if(SiS_Pr->SiS_IF_DEF_CH70xx != 0) {
+         if(SiS_Pr->SiS_CHOverScan) {
+            if(SiS_Pr->SiS_IF_DEF_CH70xx == 1) {
+               temp = SiS_GetReg(SiS_Pr->SiS_P3d4,0x35);
+               if((temp & TVOverScan) || (SiS_Pr->SiS_CHOverScan == 1)) {
+                  SiS_Pr->SiS_TVMode |= TVSetCHOverScan;
+               }
+            } else if(SiS_Pr->SiS_IF_DEF_CH70xx == 2) {
+               temp = SiS_GetReg(SiS_Pr->SiS_P3d4,0x79);
+               if((temp & 0x80) || (SiS_Pr->SiS_CHOverScan == 1)) {
+                  SiS_Pr->SiS_TVMode |= TVSetCHOverScan;
+               }
+            }
+            if(SiS_Pr->SiS_CHSOverScan) {
+               SiS_Pr->SiS_TVMode |= TVSetCHOverScan;
+            }
+         }
+         if(SiS_Pr->SiS_IF_DEF_CH70xx == 2) {
+            temp = SiS_GetReg(SiS_Pr->SiS_P3d4,0x38);
+            if(SiS_Pr->SiS_TVMode & TVSetPAL) {
+               if(temp & EnablePALM)      SiS_Pr->SiS_TVMode |= TVSetPALM;
+               else if(temp & EnablePALN) SiS_Pr->SiS_TVMode |= TVSetPALN;
+            } else {
+               if(temp & EnableNTSCJ) {
+                  SiS_Pr->SiS_TVMode |= TVSetNTSCJ;
+               }
+            }
+         }
+      }
 
-  } else {  /* 661 and later */
+   } else {  /* 661 and later */
 
-     temp1 = SiS_GetReg(SiS_Pr->SiS_P3d4,0x35);
-     if(temp1 & 0x01) {
-        SiS_Pr->SiS_TVMode |= TVSetPAL;
-        if(temp1 & 0x08) {
-           SiS_Pr->SiS_TVMode |= TVSetPALN;
-        } else if(temp1 & 0x04) {
-           if(SiS_Pr->SiS_VBType & VB_SISVB) {
-              SiS_Pr->SiS_TVMode &= ~TVSetPAL;
-           }
-           SiS_Pr->SiS_TVMode |= TVSetPALM;
-        }
-     } else {
-        if(temp1 & 0x02) {
-           SiS_Pr->SiS_TVMode |= TVSetNTSCJ;
-        }
-     }
-     if(SiS_Pr->SiS_IF_DEF_CH70xx == 2) {
-        if(SiS_Pr->SiS_CHOverScan) {
-           if((temp1 & 0x10) || (SiS_Pr->SiS_CHOverScan == 1)) {
-              SiS_Pr->SiS_TVMode |= TVSetCHOverScan;
-           }
-        }
-     }
-     if(SiS_Pr->SiS_VBType & VB_SISVB) {
-        if(SiS_Pr->SiS_VBInfo & SetCRT2ToYPbPr525750) {
-           temp1 &= 0xe0;
-           if(temp1 == 0x00)      SiS_Pr->SiS_TVMode |= TVSetYPbPr525i;
-           else if(temp1 == 0x20) SiS_Pr->SiS_TVMode |= TVSetYPbPr525p;
-           else if(temp1 == 0x40) SiS_Pr->SiS_TVMode |= TVSetYPbPr750p;
-        } else if(SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision) {
-           SiS_Pr->SiS_TVMode |= (TVSetHiVision | TVSetPAL);
-        }
-        if(SiS_Pr->SiS_VBInfo & (SetCRT2ToYPbPr525750 | SetCRT2ToHiVision)) {
-           if(resinfo == SIS_RI_800x480 || resinfo == SIS_RI_1024x576 || resinfo == SIS_RI_1280x720) {
-              SiS_Pr->SiS_TVMode |= TVAspect169;
-           } else {
-              temp1 = SiS_GetReg(SiS_Pr->SiS_P3d4,0x39);
-              if(temp1 & 0x02) {
-                 if(SiS_Pr->SiS_TVMode & (TVSetYPbPr750p | TVSetHiVision)) {
-                    SiS_Pr->SiS_TVMode |= TVAspect169;
-                 } else {
-                    SiS_Pr->SiS_TVMode |= TVAspect43LB;
-                 }
-              } else {
-                 SiS_Pr->SiS_TVMode |= TVAspect43;
-              }
-           }
-        }
-     }
-  }
+      temp1 = SiS_GetReg(SiS_Pr->SiS_P3d4,0x35);
+      if(temp1 & 0x01) {
+         SiS_Pr->SiS_TVMode |= TVSetPAL;
+         if(temp1 & 0x08) {
+            SiS_Pr->SiS_TVMode |= TVSetPALN;
+         } else if(temp1 & 0x04) {
+            if(SiS_Pr->SiS_VBType & VB_SISVB) {
+               SiS_Pr->SiS_TVMode &= ~TVSetPAL;
+            }
+            SiS_Pr->SiS_TVMode |= TVSetPALM;
+         }
+      } else {
+         if(temp1 & 0x02) {
+            SiS_Pr->SiS_TVMode |= TVSetNTSCJ;
+         }
+      }
+      if(SiS_Pr->SiS_IF_DEF_CH70xx == 2) {
+         if(SiS_Pr->SiS_CHOverScan) {
+            if((temp1 & 0x10) || (SiS_Pr->SiS_CHOverScan == 1)) {
+               SiS_Pr->SiS_TVMode |= TVSetCHOverScan;
+            }
+         }
+      }
+      if(SiS_Pr->SiS_VBType & VB_SISVB) {
+         if(SiS_Pr->SiS_VBInfo & SetCRT2ToYPbPr525750) {
+            temp1 &= 0xe0;
+            if(temp1 == 0x00)      SiS_Pr->SiS_TVMode |= TVSetYPbPr525i;
+            else if(temp1 == 0x20) SiS_Pr->SiS_TVMode |= TVSetYPbPr525p;
+            else if(temp1 == 0x40) SiS_Pr->SiS_TVMode |= TVSetYPbPr750p;
+         } else if(SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision) {
+            SiS_Pr->SiS_TVMode |= (TVSetHiVision | TVSetPAL);
+         }
+         if(SiS_Pr->SiS_VBInfo & (SetCRT2ToYPbPr525750 | SetCRT2ToHiVision)) {
+            if(resinfo == SIS_RI_800x480 || resinfo == SIS_RI_1024x576 || resinfo == SIS_RI_1280x720) {
+               SiS_Pr->SiS_TVMode |= TVAspect169;
+            } else {
+               temp1 = SiS_GetReg(SiS_Pr->SiS_P3d4,0x39);
+               if(temp1 & 0x02) {
+                  if(SiS_Pr->SiS_TVMode & (TVSetYPbPr750p | TVSetHiVision)) {
+                     SiS_Pr->SiS_TVMode |= TVAspect169;
+                  } else {
+                     SiS_Pr->SiS_TVMode |= TVAspect43LB;
+                  }
+               } else {
+                  SiS_Pr->SiS_TVMode |= TVAspect43;
+               }
+            }
+         }
+      }
+   }
 
-  if(SiS_Pr->SiS_VBInfo & SetCRT2ToSCART) SiS_Pr->SiS_TVMode |= TVSetPAL;
+   if(SiS_Pr->SiS_VBInfo & SetCRT2ToSCART) SiS_Pr->SiS_TVMode |= TVSetPAL;
 
-  if(SiS_Pr->SiS_VBType & VB_SISVB) {
+   if(SiS_Pr->SiS_VBType & VB_SISVB) {
 
-     if(SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision) {
-        SiS_Pr->SiS_TVMode |= TVSetPAL;
-        SiS_Pr->SiS_TVMode &= ~(TVSetPALM | TVSetPALN | TVSetNTSCJ);
-     } else if(SiS_Pr->SiS_VBInfo & SetCRT2ToYPbPr525750) {
-        if(SiS_Pr->SiS_TVMode & (TVSetYPbPr525i | TVSetYPbPr525p | TVSetYPbPr750p)) {
-           SiS_Pr->SiS_TVMode &= ~(TVSetPAL | TVSetNTSCJ | TVSetPALM | TVSetPALN);
-        }
-     }
+      if(SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision) {
+         SiS_Pr->SiS_TVMode |= TVSetPAL;
+         SiS_Pr->SiS_TVMode &= ~(TVSetPALM | TVSetPALN | TVSetNTSCJ);
+      } else if(SiS_Pr->SiS_VBInfo & SetCRT2ToYPbPr525750) {
+         if(SiS_Pr->SiS_TVMode & (TVSetYPbPr525i | TVSetYPbPr525p | TVSetYPbPr750p)) {
+            SiS_Pr->SiS_TVMode &= ~(TVSetPAL | TVSetNTSCJ | TVSetPALM | TVSetPALN);
+         }
+      }
 
-     if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) {
-        if(!(SiS_Pr->SiS_VBInfo & SetNotSimuMode)) {
-           SiS_Pr->SiS_TVMode |= TVSetTVSimuMode;
-        }
-     }
+      if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) {
+         if(!(SiS_Pr->SiS_VBInfo & SetNotSimuMode)) {
+            SiS_Pr->SiS_TVMode |= TVSetTVSimuMode;
+         }
+      }
 
-     if(!(SiS_Pr->SiS_TVMode & TVSetPAL)) {
-        /* BIOS sets TVNTSC1024 without checking 525p here. Wrong? */
-        if(!(SiS_Pr->SiS_TVMode & (TVSetHiVision | TVSetYPbPr525p | TVSetYPbPr750p))) {
-           if(resinfo == SIS_RI_1024x768) {
-              SiS_Pr->SiS_TVMode |= TVSetNTSC1024;
-           }
-        }
-     }
+      if(!(SiS_Pr->SiS_TVMode & TVSetPAL)) {
+         if(resinfo == SIS_RI_1024x768) {
+            if(SiS_Pr->SiS_TVMode & TVSetYPbPr525p) {
+               SiS_Pr->SiS_TVMode |= TVSet525p1024;
+            } else if(!(SiS_Pr->SiS_TVMode & (TVSetHiVision | TVSetYPbPr750p))) {
+               SiS_Pr->SiS_TVMode |= TVSetNTSC1024;
+            }
+         }
+      }
 
-     SiS_Pr->SiS_TVMode |= TVRPLLDIV2XO;
-     if((SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision) &&
-        (SiS_Pr->SiS_VBInfo & SetInSlaveMode)) {
-        SiS_Pr->SiS_TVMode &= ~TVRPLLDIV2XO;
-     } else if(SiS_Pr->SiS_TVMode & (TVSetYPbPr525p | TVSetYPbPr750p)) {
-        SiS_Pr->SiS_TVMode &= ~TVRPLLDIV2XO;
-     } else if(!(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV)) {
-        if(SiS_Pr->SiS_TVMode & TVSetTVSimuMode) {
-           SiS_Pr->SiS_TVMode &= ~TVRPLLDIV2XO;
-        }
-     }
+      SiS_Pr->SiS_TVMode |= TVRPLLDIV2XO;
+      if((SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision) &&
+         (SiS_Pr->SiS_VBInfo & SetInSlaveMode)) {
+         SiS_Pr->SiS_TVMode &= ~TVRPLLDIV2XO;
+      } else if(SiS_Pr->SiS_TVMode & (TVSetYPbPr525p | TVSetYPbPr750p)) {
+         SiS_Pr->SiS_TVMode &= ~TVRPLLDIV2XO;
+      } else if(!(SiS_Pr->SiS_VBType & VB_SIS30xBLV)) {
+         if(SiS_Pr->SiS_TVMode & TVSetTVSimuMode) {
+            SiS_Pr->SiS_TVMode &= ~TVRPLLDIV2XO;
+         }
+      }
 
-  }
+   }
 
-  SiS_Pr->SiS_VBInfo &= ~SetPALTV;
+   SiS_Pr->SiS_VBInfo &= ~SetPALTV;
 
+#ifdef SIS_XORG_XF86
 #ifdef TWDEBUG
-  xf86DrvMsg(0, X_INFO, "(init301: TVMode %x, VBInfo %x)\n", SiS_Pr->SiS_TVMode, SiS_Pr->SiS_VBInfo);
+   xf86DrvMsg(0, X_INFO, "(init301: TVMode %x, VBInfo %x)\n", SiS_Pr->SiS_TVMode, SiS_Pr->SiS_VBInfo);
+#endif
 #endif
 }
 
@@ -1455,41 +1430,46 @@ SiS_SetTVMode(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex, PSIS_HW_IN
 /*               GET LCD INFO                */
 /*********************************************/
 
-static USHORT
-SiS_GetBIOSLCDResInfo(SiS_Private *SiS_Pr)
+static unsigned short
+SiS_GetBIOSLCDResInfo(struct SiS_Private *SiS_Pr)
 {
-   USHORT temp = SiS_Pr->SiS_LCDResInfo;
+   unsigned short temp = SiS_Pr->SiS_LCDResInfo;
    /* Translate my LCDResInfo to BIOS value */
-   if(temp == Panel_1280x768_2)  temp = Panel_1280x768;
-   if(temp == Panel_1280x800_2)  temp = Panel_1280x800;
+   switch(temp) {
+   case Panel_1280x768_2: temp = Panel_1280x768;    break;
+   case Panel_1280x800_2: temp = Panel_1280x800;    break;
+   case Panel_1280x854:   temp = Panel661_1280x854; break;
+   }
    return temp;
 }
 
 static void
-SiS_GetLCDInfoBIOS(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_GetLCDInfoBIOS(struct SiS_Private *SiS_Pr)
 {
 #ifdef SIS315H
-   UCHAR  *ROMAddr;
-   USHORT temp;
+   unsigned char  *ROMAddr;
+   unsigned short temp;
 
+#ifdef SIS_XORG_XF86
 #ifdef TWDEBUG
    xf86DrvMsg(0, X_INFO, "Paneldata driver: [%d %d] [H %d %d] [V %d %d] [C %d 0x%02x 0x%02x]\n",
-        SiS_Pr->PanelHT, SiS_Pr->PanelVT,
+        SiS_Pr->PanelHT, SiS_Pr->PanelVT,
         SiS_Pr->PanelHRS, SiS_Pr->PanelHRE,
         SiS_Pr->PanelVRS, SiS_Pr->PanelVRE,
         SiS_Pr->SiS_VBVCLKData[SiS_Pr->PanelVCLKIdx315].CLOCK,
         SiS_Pr->SiS_VBVCLKData[SiS_Pr->PanelVCLKIdx315].Part4_A,
         SiS_Pr->SiS_VBVCLKData[SiS_Pr->PanelVCLKIdx315].Part4_B);
 #endif
+#endif
 
-   if((ROMAddr = GetLCDStructPtr661(SiS_Pr, HwInfo))) {
+   if((ROMAddr = GetLCDStructPtr661(SiS_Pr))) {
       if((temp = SISGETROMW(6)) != SiS_Pr->PanelHT) {
-         SiS_Pr->SiS_NeedRomModeData = TRUE;
+         SiS_Pr->SiS_NeedRomModeData = TRUE;
          SiS_Pr->PanelHT  = temp;
       }
       if((temp = SISGETROMW(8)) != SiS_Pr->PanelVT) {
-         SiS_Pr->SiS_NeedRomModeData = TRUE;
-         SiS_Pr->PanelVT  = temp;
+         SiS_Pr->SiS_NeedRomModeData = TRUE;
+         SiS_Pr->PanelVT  = temp;
       }
       SiS_Pr->PanelHRS = SISGETROMW(10);
       SiS_Pr->PanelHRE = SISGETROMW(12);
@@ -1497,56 +1477,58 @@ SiS_GetLCDInfoBIOS(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
       SiS_Pr->PanelVRE = SISGETROMW(16);
       SiS_Pr->PanelVCLKIdx315 = VCLK_CUSTOM_315;
       SiS_Pr->SiS_VCLKData[VCLK_CUSTOM_315].CLOCK =
-         SiS_Pr->SiS_VBVCLKData[VCLK_CUSTOM_315].CLOCK = (USHORT)((UCHAR)ROMAddr[18]);
+         SiS_Pr->SiS_VBVCLKData[VCLK_CUSTOM_315].CLOCK = (unsigned short)((unsigned char)ROMAddr[18]);
       SiS_Pr->SiS_VCLKData[VCLK_CUSTOM_315].SR2B =
          SiS_Pr->SiS_VBVCLKData[VCLK_CUSTOM_315].Part4_A = ROMAddr[19];
       SiS_Pr->SiS_VCLKData[VCLK_CUSTOM_315].SR2C =
          SiS_Pr->SiS_VBVCLKData[VCLK_CUSTOM_315].Part4_B = ROMAddr[20];
 
+#ifdef SIS_XORG_XF86
 #ifdef TWDEBUG
       xf86DrvMsg(0, X_INFO, "Paneldata BIOS:  [%d %d] [H %d %d] [V %d %d] [C %d 0x%02x 0x%02x]\n",
-        SiS_Pr->PanelHT, SiS_Pr->PanelVT,
+        SiS_Pr->PanelHT, SiS_Pr->PanelVT,
         SiS_Pr->PanelHRS, SiS_Pr->PanelHRE,
         SiS_Pr->PanelVRS, SiS_Pr->PanelVRE,
         SiS_Pr->SiS_VBVCLKData[SiS_Pr->PanelVCLKIdx315].CLOCK,
         SiS_Pr->SiS_VBVCLKData[SiS_Pr->PanelVCLKIdx315].Part4_A,
         SiS_Pr->SiS_VBVCLKData[SiS_Pr->PanelVCLKIdx315].Part4_B);
 #endif
+#endif
 
    }
 #endif
 }
 
 static void
-SiS_CheckScaling(SiS_Private *SiS_Pr, USHORT resinfo, const UCHAR *nonscalingmodes)
-{
-    int i = 0;
-    while(nonscalingmodes[i] != 0xff) {
-        if(nonscalingmodes[i++] == resinfo) {
-           if((SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) ||
-              (SiS_Pr->UsePanelScaler == -1)) {
-              SiS_Pr->SiS_LCDInfo |= DontExpandLCD;
-           }
-           break;
-        }
-    }
+SiS_CheckScaling(struct SiS_Private *SiS_Pr, unsigned short resinfo,
+                        const unsigned char *nonscalingmodes)
+{
+   int i = 0;
+   while(nonscalingmodes[i] != 0xff) {
+      if(nonscalingmodes[i++] == resinfo) {
+         if((SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) ||
+            (SiS_Pr->UsePanelScaler == -1)) {
+            SiS_Pr->SiS_LCDInfo |= DontExpandLCD;
+         }
+         break;
+      }
+   }
 }
 
 void
-SiS_GetLCDResInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
-                  PSIS_HW_INFO HwInfo)
+SiS_GetLCDResInfo(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex)
 {
+  unsigned short temp,modeflag,resinfo=0,modexres=0,modeyres=0;
+  BOOLEAN panelcanscale = FALSE;
 #ifdef SIS300
-  UCHAR *ROMAddr = HwInfo->pjVirtualRomBase;
-  const unsigned char SiS300SeriesLCDRes[] =
+  unsigned char *ROMAddr = SiS_Pr->VirtualRomBase;
+  static const unsigned char SiS300SeriesLCDRes[] =
           { 0,  1,  2,  3,  7,  4,  5,  8,
             0,  0, 10,  0,  0,  0,  0, 15 };
 #endif
 #ifdef SIS315H
-  UCHAR   *myptr = NULL;
+  unsigned char   *myptr = NULL;
 #endif
-  USHORT  temp,modeflag,resinfo=0,modexres=0,modeyres=0;
-  BOOLEAN panelcanscale = FALSE;
 
   SiS_Pr->SiS_LCDResInfo  = 0;
   SiS_Pr->SiS_LCDTypeInfo = 0;
@@ -1557,14 +1539,14 @@ SiS_GetLCDResInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
   SiS_Pr->PanelVRE        = 999; /* VSync end */
   SiS_Pr->SiS_NeedRomModeData = FALSE;
 
+  /* Alternative 1600x1200@60 timing for 1600x1200 LCDA */
+  SiS_Pr->Alternate1600x1200 = FALSE;
+
   if(!(SiS_Pr->SiS_VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA))) return;
 
-  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;
+  modeflag = SiS_GetModeFlag(SiS_Pr, ModeNo, ModeIdIndex);
+
+  if((ModeNo > 0x13) && (!SiS_Pr->UseCustomMode)) {
      resinfo = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_RESINFO;
      modexres = SiS_Pr->SiS_ModeResInfo[resinfo].HTotal;
      modeyres = SiS_Pr->SiS_ModeResInfo[resinfo].VTotal;
@@ -1575,16 +1557,16 @@ SiS_GetLCDResInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
   /* For broken BIOSes: Assume 1024x768 */
   if(temp == 0) temp = 0x02;
 
-  if((HwInfo->jChipType >= SIS_661) || (SiS_Pr->SiS_ROMNew)) {
+  if((SiS_Pr->ChipType >= SIS_661) || (SiS_Pr->SiS_ROMNew)) {
      SiS_Pr->SiS_LCDTypeInfo = (SiS_GetReg(SiS_Pr->SiS_P3d4,0x39) & 0x7c) >> 2;
-  } else if((HwInfo->jChipType < SIS_315H) || (HwInfo->jChipType >= SIS_661)) {
+  } else if((SiS_Pr->ChipType < SIS_315H) || (SiS_Pr->ChipType >= SIS_661)) {
      SiS_Pr->SiS_LCDTypeInfo = temp >> 4;
   } else {
      SiS_Pr->SiS_LCDTypeInfo = (temp & 0x0F) - 1;
   }
   temp &= 0x0f;
 #ifdef SIS300
-  if(HwInfo->jChipType < SIS_315H) {
+  if(SiS_Pr->ChipType < SIS_315H) {
      /* Very old BIOSes only know 7 sizes (NetVista 2179, 1.01g) */
      if(SiS_Pr->SiS_VBType & VB_SIS301) {
         if(temp < 0x0f) temp &= 0x07;
@@ -1595,17 +1577,22 @@ SiS_GetLCDResInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 #endif
 
   /* Translate to our internal types */
-  if(HwInfo->jChipType == SIS_550) {
-     if(temp == Panel310_640x480_2) temp = Panel_640x480_2;
-     if(temp == Panel310_640x480_3) temp = Panel_640x480_3;
+#ifdef SIS315H
+  if(SiS_Pr->ChipType == SIS_550) {
+     if     (temp == Panel310_1152x768)  temp = Panel_320x240_2; /* Verified working */
+     else if(temp == Panel310_320x240_2) temp = Panel_320x240_2;
+     else if(temp == Panel310_320x240_3) temp = Panel_320x240_3;
+  } else if(SiS_Pr->ChipType >= SIS_661) {
+     if(temp == Panel661_1280x854)       temp = Panel_1280x854;
   }
+#endif
 
-  if(SiS_Pr->SiS_VBType & VB_SISLVDS) { /* SiS LVDS */
+  if(SiS_Pr->SiS_VBType & VB_SISLVDS) {         /* SiS LVDS */
      if(temp == Panel310_1280x768) {
         temp = Panel_1280x768_2;
      }
      if(SiS_Pr->SiS_ROMNew) {
-        if(temp == Panel661_1280x800) {
+        if(temp == Panel661_1280x800) {
            temp = Panel_1280x800_2;
         }
      }
@@ -1613,13 +1600,17 @@ SiS_GetLCDResInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 
   SiS_Pr->SiS_LCDResInfo = temp;
 
+#ifdef SIS300
   if(SiS_Pr->SiS_IF_DEF_LVDS == 1) {
      if(SiS_Pr->SiS_CustomT == CUT_BARCO1366) {
-        SiS_Pr->SiS_LCDResInfo = Panel_Barco1366;
+        SiS_Pr->SiS_LCDResInfo = Panel_Barco1366;
      } else if(SiS_Pr->SiS_CustomT == CUT_PANEL848) {
-        SiS_Pr->SiS_LCDResInfo = Panel_848x480;
+        SiS_Pr->SiS_LCDResInfo = Panel_848x480;
+     } else if(SiS_Pr->SiS_CustomT == CUT_PANEL856) {
+        SiS_Pr->SiS_LCDResInfo = Panel_856x480;
      }
   }
+#endif
 
   if(SiS_Pr->SiS_VBType & VB_SISVB) {
      if(SiS_Pr->SiS_LCDResInfo < SiS_Pr->SiS_PanelMin301)
@@ -1633,10 +1624,16 @@ SiS_GetLCDResInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
   SiS_Pr->SiS_LCDInfo = temp & ~0x000e;
   /* Need temp below! */
 
-  /* These can't scale no matter what */
+  /* These must/can't scale no matter what */
   switch(SiS_Pr->SiS_LCDResInfo) {
+  case Panel_320x240_1:
+  case Panel_320x240_2:
+  case Panel_320x240_3:
   case Panel_1280x960:
       SiS_Pr->SiS_LCDInfo &= ~DontExpandLCD;
+      break;
+  case Panel_640x480:
+      SiS_Pr->SiS_LCDInfo |= DontExpandLCD;
   }
 
   panelcanscale = (SiS_Pr->SiS_LCDInfo & DontExpandLCD) ? TRUE : FALSE;
@@ -1646,41 +1643,41 @@ SiS_GetLCDResInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 
   /* Dual link, Pass 1:1 BIOS default, etc. */
 #ifdef SIS315H
-  if(HwInfo->jChipType >= SIS_661) {
+  if(SiS_Pr->ChipType >= SIS_661) {
      if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) {
-        if(temp & 0x08) SiS_Pr->SiS_LCDInfo |= LCDPass11;
+        if(temp & 0x08) SiS_Pr->SiS_LCDInfo |= LCDPass11;
      }
-     if(SiS_Pr->SiS_VBType & (VB_SIS302LV | VB_SIS302ELV)) {
-        if(SiS_Pr->SiS_ROMNew) {
+     if(SiS_Pr->SiS_VBType & VB_SISDUALLINK) {
+        if(SiS_Pr->SiS_ROMNew) {
            if(temp & 0x02) SiS_Pr->SiS_LCDInfo |= LCDDualLink;
-        } else if((myptr = GetLCDStructPtr661(SiS_Pr, HwInfo))) {
-           if(myptr[2] & 0x01) SiS_Pr->SiS_LCDInfo |= LCDDualLink;
+        } else if((myptr = GetLCDStructPtr661(SiS_Pr))) {
+           if(myptr[2] & 0x01) SiS_Pr->SiS_LCDInfo |= LCDDualLink;
         }
      }
-  } else if(HwInfo->jChipType >= SIS_315H) {
+  } else if(SiS_Pr->ChipType >= SIS_315H) {
      if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) {
-        if(SiS_GetReg(SiS_Pr->SiS_P3d4,0x39) & 0x01) SiS_Pr->SiS_LCDInfo |= LCDPass11;
+        if(SiS_GetReg(SiS_Pr->SiS_P3d4,0x39) & 0x01) SiS_Pr->SiS_LCDInfo |= LCDPass11;
      }
      if((SiS_Pr->SiS_ROMNew) && (!(SiS_Pr->PanelSelfDetected))) {
-        SiS_Pr->SiS_LCDInfo &= ~(LCDRGB18Bit);
+        SiS_Pr->SiS_LCDInfo &= ~(LCDRGB18Bit);
         temp = SiS_GetReg(SiS_Pr->SiS_P3d4,0x35);
-        if(temp & 0x01) SiS_Pr->SiS_LCDInfo |= LCDRGB18Bit;
-        if(SiS_Pr->SiS_VBType & (VB_SIS302LV | VB_SIS302ELV)) {
+        if(temp & 0x01) SiS_Pr->SiS_LCDInfo |= LCDRGB18Bit;
+        if(SiS_Pr->SiS_VBType & VB_SISDUALLINK) {
            if(temp & 0x02) SiS_Pr->SiS_LCDInfo |= LCDDualLink;
         }
      } else if(!(SiS_Pr->SiS_ROMNew)) {
-        if(SiS_Pr->SiS_VBType & (VB_SIS302LV | VB_SIS302ELV)) {
-           if((SiS_Pr->SiS_CustomT == CUT_CLEVO1024) &&
+        if(SiS_Pr->SiS_VBType & VB_SISDUALLINK) {
+           if((SiS_Pr->SiS_CustomT == CUT_CLEVO1024) &&
               (SiS_Pr->SiS_LCDResInfo == Panel_1024x768)) {
               SiS_Pr->SiS_LCDInfo |= LCDDualLink;
            }
-           if((SiS_Pr->SiS_LCDResInfo == Panel_1280x1024) ||
+           if((SiS_Pr->SiS_LCDResInfo == Panel_1280x1024) ||
               (SiS_Pr->SiS_LCDResInfo == Panel_1400x1050) ||
-              (SiS_Pr->SiS_LCDResInfo == Panel_1600x1200) ||
+              (SiS_Pr->SiS_LCDResInfo == Panel_1600x1200) ||
               (SiS_Pr->SiS_LCDResInfo == Panel_1680x1050)) {
               SiS_Pr->SiS_LCDInfo |= LCDDualLink;
            }
-        }
+        }
      }
   }
 #endif
@@ -1691,12 +1688,12 @@ SiS_GetLCDResInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
      SiS_Pr->SiS_LCDInfo &= ~LCDPass11;
   } else if(SiS_Pr->SiS_VBType & VB_SISVB) {
      if(SiS_Pr->SiS_VBType & VB_SISLVDS) {
-        /* Always center screen on SiS LVDS (if scaling is disabled) */
-        SiS_Pr->SiS_LCDInfo &= ~LCDPass11;
+        /* Always center screen on SiS LVDS (if scaling is disabled) */
+        SiS_Pr->SiS_LCDInfo &= ~LCDPass11;
      } else {
-        /* By default, pass 1:1 on SiS TMDS (if scaling is supported) */
-        if(panelcanscale)             SiS_Pr->SiS_LCDInfo |= LCDPass11;
-        if(SiS_Pr->CenterScreen == 1) SiS_Pr->SiS_LCDInfo &= ~LCDPass11;
+        /* By default, pass 1:1 on SiS TMDS (if scaling is supported) */
+        if(panelcanscale)             SiS_Pr->SiS_LCDInfo |= LCDPass11;
+        if(SiS_Pr->CenterScreen == 1) SiS_Pr->SiS_LCDInfo &= ~LCDPass11;
      }
   }
 
@@ -1704,19 +1701,15 @@ SiS_GetLCDResInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
   SiS_Pr->PanelVCLKIdx315 = VCLK108_2_315;
 
   switch(SiS_Pr->SiS_LCDResInfo) {
-     case Panel_320x480:    SiS_Pr->PanelXRes =  320; SiS_Pr->PanelYRes =  480;
-                            SiS_Pr->PanelHT   =  400; SiS_Pr->PanelVT   =  525;
-                            SiS_Pr->PanelVCLKIdx300 = VCLK28;
-                            SiS_Pr->PanelVCLKIdx315 = VCLK28;
-                            break;
-     case Panel_640x480_2:
-     case Panel_640x480_3:  SiS_Pr->PanelXRes =  640; SiS_Pr->PanelYRes =  480;
-                            SiS_Pr->PanelVRS  =   24; SiS_Pr->PanelVRE  =    3;
+     case Panel_320x240_1:
+     case Panel_320x240_2:
+     case Panel_320x240_3:  SiS_Pr->PanelXRes =  640; SiS_Pr->PanelYRes =  480;
+                            SiS_Pr->PanelVRS  =   24; SiS_Pr->PanelVRE  =    3;
                             SiS_Pr->PanelVCLKIdx300 = VCLK28;
                             SiS_Pr->PanelVCLKIdx315 = VCLK28;
                             break;
      case Panel_640x480:    SiS_Pr->PanelXRes =  640; SiS_Pr->PanelYRes =  480;
-                                                      SiS_Pr->PanelVRE  =    3;
+                                                      SiS_Pr->PanelVRE  =    3;
                             SiS_Pr->PanelVCLKIdx300 = VCLK28;
                             SiS_Pr->PanelVCLKIdx315 = VCLK28;
                             break;
@@ -1728,52 +1721,52 @@ SiS_GetLCDResInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
                             SiS_Pr->PanelVCLKIdx315 = VCLK40;
                             break;
      case Panel_1024x600:   SiS_Pr->PanelXRes = 1024; SiS_Pr->PanelYRes =  600;
-                            SiS_Pr->PanelHT   = 1344; SiS_Pr->PanelVT   =  800;
+                            SiS_Pr->PanelHT   = 1344; SiS_Pr->PanelVT   =  800;
                             SiS_Pr->PanelHRS  =   24; SiS_Pr->PanelHRE  =  136;
                             SiS_Pr->PanelVRS  =    2 /* 88 */ ; SiS_Pr->PanelVRE  =    6;
-                            SiS_Pr->PanelVCLKIdx300 = VCLK65_300;
+                            SiS_Pr->PanelVCLKIdx300 = VCLK65_300;
                             SiS_Pr->PanelVCLKIdx315 = VCLK65_315;
-                            break;
+                            break;
      case Panel_1024x768:   SiS_Pr->PanelXRes = 1024; SiS_Pr->PanelYRes =  768;
-                            SiS_Pr->PanelHT   = 1344; SiS_Pr->PanelVT   =  806;
+                            SiS_Pr->PanelHT   = 1344; SiS_Pr->PanelVT   =  806;
                             SiS_Pr->PanelHRS  =   24; SiS_Pr->PanelHRE  =  136;
                             SiS_Pr->PanelVRS  =    3; SiS_Pr->PanelVRE  =    6;
-                            if(HwInfo->jChipType < SIS_315H) {
+                            if(SiS_Pr->ChipType < SIS_315H) {
                                SiS_Pr->PanelHRS = 23;
-                                                      SiS_Pr->PanelVRE  =    5;
+                                                      SiS_Pr->PanelVRE  =    5;
                             }
                             SiS_Pr->PanelVCLKIdx300 = VCLK65_300;
                             SiS_Pr->PanelVCLKIdx315 = VCLK65_315;
-                            SiS_GetLCDInfoBIOS(SiS_Pr, HwInfo);
+                            SiS_GetLCDInfoBIOS(SiS_Pr);
                             break;
      case Panel_1152x768:   SiS_Pr->PanelXRes = 1152; SiS_Pr->PanelYRes =  768;
-                            SiS_Pr->PanelHT   = 1344; SiS_Pr->PanelVT   =  806;
-                            SiS_Pr->PanelHRS  =   24;
+                            SiS_Pr->PanelHT   = 1344; SiS_Pr->PanelVT   =  806;
+                            SiS_Pr->PanelHRS  =   24; SiS_Pr->PanelHRE  =  136;
                             SiS_Pr->PanelVRS  =    3; SiS_Pr->PanelVRE  =    6;
-                            if(HwInfo->jChipType < SIS_315H) {
+                            if(SiS_Pr->ChipType < SIS_315H) {
                                SiS_Pr->PanelHRS = 23;
-                                                      SiS_Pr->PanelVRE  =    5;
+                                                      SiS_Pr->PanelVRE  =    5;
                             }
-                            SiS_Pr->PanelVCLKIdx300 = VCLK65_300;
+                            SiS_Pr->PanelVCLKIdx300 = VCLK65_300;
                             SiS_Pr->PanelVCLKIdx315 = VCLK65_315;
-                            break;
+                            break;
      case Panel_1152x864:   SiS_Pr->PanelXRes = 1152; SiS_Pr->PanelYRes =  864;
-                            break;
+                            break;
      case Panel_1280x720:   SiS_Pr->PanelXRes = 1280; SiS_Pr->PanelYRes =  720;
-                            SiS_Pr->PanelHT   = 1650; SiS_Pr->PanelVT   =  750;
+                            SiS_Pr->PanelHT   = 1650; SiS_Pr->PanelVT   =  750;
                             SiS_Pr->PanelHRS  =  110; SiS_Pr->PanelHRE  =   40;
                             SiS_Pr->PanelVRS  =    5; SiS_Pr->PanelVRE  =    5;
                             SiS_Pr->PanelVCLKIdx315 = VCLK_1280x720;
                             /* Data above for TMDS (projector); get from BIOS for LVDS */
-                            SiS_GetLCDInfoBIOS(SiS_Pr, HwInfo);
+                            SiS_GetLCDInfoBIOS(SiS_Pr);
                             break;
      case Panel_1280x768:   SiS_Pr->PanelXRes = 1280; SiS_Pr->PanelYRes =  768;
-                            if(SiS_Pr->SiS_IF_DEF_LVDS == 1) {
+                            if(SiS_Pr->SiS_IF_DEF_LVDS == 1) {
                                SiS_Pr->PanelHT   = 1408; SiS_Pr->PanelVT   =  806;
                                SiS_Pr->PanelVCLKIdx300 = VCLK81_300; /* ? */
                                SiS_Pr->PanelVCLKIdx315 = VCLK81_315; /* ? */
                             } else {
-                               SiS_Pr->PanelHT   = 1688; SiS_Pr->PanelVT   =  802;
+                               SiS_Pr->PanelHT   = 1688; SiS_Pr->PanelVT   =  802;
                                SiS_Pr->PanelHRS  =   48; SiS_Pr->PanelHRS  =  112;
                                SiS_Pr->PanelVRS  =    3; SiS_Pr->PanelVRE  =    6;
                                SiS_Pr->PanelVCLKIdx300 = VCLK81_300;
@@ -1781,77 +1774,100 @@ SiS_GetLCDResInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
                             }
                             break;
      case Panel_1280x768_2: SiS_Pr->PanelXRes = 1280; SiS_Pr->PanelYRes =  768;
-                            SiS_Pr->PanelHT   = 1660; SiS_Pr->PanelVT   =  806;
+                            SiS_Pr->PanelHT   = 1660; SiS_Pr->PanelVT   =  806;
                             SiS_Pr->PanelHRS  =   48; SiS_Pr->PanelHRE  =  112;
                             SiS_Pr->PanelVRS  =    3; SiS_Pr->PanelVRE  =    6;
                             SiS_Pr->PanelVCLKIdx315 = VCLK_1280x768_2;
-                            SiS_GetLCDInfoBIOS(SiS_Pr, HwInfo);
+                            SiS_GetLCDInfoBIOS(SiS_Pr);
                             break;
      case Panel_1280x800:   SiS_Pr->PanelXRes = 1280; SiS_Pr->PanelYRes =  800;
-                            SiS_Pr->PanelHT   = 1408; SiS_Pr->PanelVT   =  816;
+                            SiS_Pr->PanelHT   = 1408; SiS_Pr->PanelVT   =  816;
                             SiS_Pr->PanelHRS   =  21; SiS_Pr->PanelHRE  =   24;
                             SiS_Pr->PanelVRS   =   4; SiS_Pr->PanelVRE  =    3;
                             SiS_Pr->PanelVCLKIdx315 = VCLK_1280x800_315;
-                            SiS_GetLCDInfoBIOS(SiS_Pr, HwInfo);
+                            SiS_GetLCDInfoBIOS(SiS_Pr);
                             break;
      case Panel_1280x800_2: SiS_Pr->PanelXRes = 1280; SiS_Pr->PanelYRes =  800;
-                            SiS_Pr->PanelHT   = 1552; SiS_Pr->PanelVT   =  812;
+                            SiS_Pr->PanelHT   = 1552; SiS_Pr->PanelVT   =  812;
                             SiS_Pr->PanelHRS   =  48; SiS_Pr->PanelHRE  =  112;
                             SiS_Pr->PanelVRS   =   4; SiS_Pr->PanelVRE  =    3;
                             SiS_Pr->PanelVCLKIdx315 = VCLK_1280x800_315_2;
-                            SiS_GetLCDInfoBIOS(SiS_Pr, HwInfo);
+                            SiS_GetLCDInfoBIOS(SiS_Pr);
+                            break;
+     case Panel_1280x854:   SiS_Pr->PanelXRes = 1280; SiS_Pr->PanelYRes =  854;
+                            SiS_Pr->PanelHT   = 1664; SiS_Pr->PanelVT   =  861;
+                            SiS_Pr->PanelHRS   =  16; SiS_Pr->PanelHRE  =  112;
+                            SiS_Pr->PanelVRS   =   1; SiS_Pr->PanelVRE  =    3;
+                            SiS_Pr->PanelVCLKIdx315 = VCLK_1280x854;
+                            SiS_GetLCDInfoBIOS(SiS_Pr);
                             break;
      case Panel_1280x960:   SiS_Pr->PanelXRes = 1280; SiS_Pr->PanelYRes =  960;
-                            SiS_Pr->PanelHT   = 1800; SiS_Pr->PanelVT   = 1000;
+                            SiS_Pr->PanelHT   = 1800; SiS_Pr->PanelVT   = 1000;
                             SiS_Pr->PanelVCLKIdx300 = VCLK108_3_300;
                             SiS_Pr->PanelVCLKIdx315 = VCLK108_3_315;
-                            if(resinfo == SIS_RI_1280x1024) {
+                            if(resinfo == SIS_RI_1280x1024) {
                                SiS_Pr->PanelVCLKIdx300 = VCLK100_300;
                                SiS_Pr->PanelVCLKIdx315 = VCLK100_315;
                             }
                             break;
      case Panel_1280x1024:  SiS_Pr->PanelXRes = 1280; SiS_Pr->PanelYRes = 1024;
-                            SiS_Pr->PanelHT   = 1688; SiS_Pr->PanelVT   = 1066;
+                            SiS_Pr->PanelHT   = 1688; SiS_Pr->PanelVT   = 1066;
                             SiS_Pr->PanelHRS  =   48; SiS_Pr->PanelHRE  =  112;
                             SiS_Pr->PanelVRS  =    1; SiS_Pr->PanelVRE  =    3;
                             SiS_Pr->PanelVCLKIdx300 = VCLK108_3_300;
                             SiS_Pr->PanelVCLKIdx315 = VCLK108_2_315;
-                            SiS_GetLCDInfoBIOS(SiS_Pr, HwInfo);
+                            SiS_GetLCDInfoBIOS(SiS_Pr);
                             break;
      case Panel_1400x1050:  SiS_Pr->PanelXRes = 1400; SiS_Pr->PanelYRes = 1050;
-                            SiS_Pr->PanelHT   = 1688; SiS_Pr->PanelVT   = 1066;
-                            SiS_Pr->PanelHRS  =   48; SiS_Pr->PanelHRE  =  112; /* HRE OK for LVDS, not for LCDA */
+                            SiS_Pr->PanelHT   = 1688; SiS_Pr->PanelVT   = 1066;
+                            SiS_Pr->PanelHRS  =   48; SiS_Pr->PanelHRE  =  112;
                             SiS_Pr->PanelVRS  =    1; SiS_Pr->PanelVRE  =    3;
                             SiS_Pr->PanelVCLKIdx315 = VCLK108_2_315;
-                            SiS_GetLCDInfoBIOS(SiS_Pr, HwInfo);
+                            SiS_GetLCDInfoBIOS(SiS_Pr);
                             break;
      case Panel_1600x1200:  SiS_Pr->PanelXRes = 1600; SiS_Pr->PanelYRes = 1200;
-                            SiS_Pr->PanelHT   = 2160; SiS_Pr->PanelVT   = 1250;
+                            SiS_Pr->PanelHT   = 2160; SiS_Pr->PanelVT   = 1250;
                             SiS_Pr->PanelHRS  =   64; SiS_Pr->PanelHRE  =  192;
                             SiS_Pr->PanelVRS  =    1; SiS_Pr->PanelVRE  =    3;
                             SiS_Pr->PanelVCLKIdx315 = VCLK162_315;
-                            SiS_GetLCDInfoBIOS(SiS_Pr, HwInfo);
+                            if(SiS_Pr->SiS_VBType & VB_SISTMDSLCDA) {
+                               if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA) {
+                                  SiS_Pr->PanelHT  = 1760; SiS_Pr->PanelVT  = 1235;
+                                  SiS_Pr->PanelHRS =   48; SiS_Pr->PanelHRE =   32;
+                                  SiS_Pr->PanelVRS =    2; SiS_Pr->PanelVRE =    4;
+                                  SiS_Pr->PanelVCLKIdx315 = VCLK130_315;
+                                  SiS_Pr->Alternate1600x1200 = TRUE;
+                               }
+                            } else if(SiS_Pr->SiS_IF_DEF_LVDS) {
+                               SiS_Pr->PanelHT  = 2048; SiS_Pr->PanelVT  = 1320;
+                               SiS_Pr->PanelHRS = SiS_Pr->PanelHRE = 999;
+                               SiS_Pr->PanelVRS = SiS_Pr->PanelVRE = 999;
+                            }
+                            SiS_GetLCDInfoBIOS(SiS_Pr);
                             break;
      case Panel_1680x1050:  SiS_Pr->PanelXRes = 1680; SiS_Pr->PanelYRes = 1050;
-                            SiS_Pr->PanelHT   = 1900; SiS_Pr->PanelVT   = 1066;
+                            SiS_Pr->PanelHT   = 1900; SiS_Pr->PanelVT   = 1066;
                             SiS_Pr->PanelHRS  =   26; SiS_Pr->PanelHRE  =   76;
                             SiS_Pr->PanelVRS  =    3; SiS_Pr->PanelVRE  =    6;
                             SiS_Pr->PanelVCLKIdx315 = VCLK121_315;
-                            SiS_GetLCDInfoBIOS(SiS_Pr, HwInfo);
+                            SiS_GetLCDInfoBIOS(SiS_Pr);
                             break;
      case Panel_Barco1366:  SiS_Pr->PanelXRes = 1360; SiS_Pr->PanelYRes = 1024;
-                            SiS_Pr->PanelHT   = 1688; SiS_Pr->PanelVT   = 1066;
-                            break;
+                            SiS_Pr->PanelHT   = 1688; SiS_Pr->PanelVT   = 1066;
+                            break;
      case Panel_848x480:    SiS_Pr->PanelXRes =  848; SiS_Pr->PanelYRes =  480;
-                            SiS_Pr->PanelHT   = 1088; SiS_Pr->PanelVT   =  525;
-                            break;
+                            SiS_Pr->PanelHT   = 1088; SiS_Pr->PanelVT   =  525;
+                            break;
+     case Panel_856x480:    SiS_Pr->PanelXRes =  856; SiS_Pr->PanelYRes =  480;
+                            SiS_Pr->PanelHT   = 1088; SiS_Pr->PanelVT   =  525;
+                            break;
      case Panel_Custom:     SiS_Pr->PanelXRes = SiS_Pr->CP_MaxX;
-                            SiS_Pr->PanelYRes = SiS_Pr->CP_MaxY;
+                            SiS_Pr->PanelYRes = SiS_Pr->CP_MaxY;
                             SiS_Pr->PanelHT   = SiS_Pr->CHTotal;
                             SiS_Pr->PanelVT   = SiS_Pr->CVTotal;
                             if(SiS_Pr->CP_PreferredIndex != -1) {
                                SiS_Pr->PanelXRes = SiS_Pr->CP_HDisplay[SiS_Pr->CP_PreferredIndex];
-                               SiS_Pr->PanelYRes = SiS_Pr->CP_VDisplay[SiS_Pr->CP_PreferredIndex];
+                               SiS_Pr->PanelYRes = SiS_Pr->CP_VDisplay[SiS_Pr->CP_PreferredIndex];
                                SiS_Pr->PanelHT   = SiS_Pr->CP_HTotal[SiS_Pr->CP_PreferredIndex];
                                SiS_Pr->PanelVT   = SiS_Pr->CP_VTotal[SiS_Pr->CP_PreferredIndex];
                                SiS_Pr->PanelHRS  = SiS_Pr->CP_HSyncStart[SiS_Pr->CP_PreferredIndex];
@@ -1863,22 +1879,22 @@ SiS_GetLCDResInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
                                SiS_Pr->PanelVRS -= SiS_Pr->PanelYRes;
                                SiS_Pr->PanelVRE -= SiS_Pr->PanelVRS;
                                if(SiS_Pr->CP_PrefClock) {
-                                  int idx;
-                                  SiS_Pr->PanelVCLKIdx315 = VCLK_CUSTOM_315;
+                                  int idx;
+                                  SiS_Pr->PanelVCLKIdx315 = VCLK_CUSTOM_315;
                                   SiS_Pr->PanelVCLKIdx300 = VCLK_CUSTOM_300;
-                                  if(HwInfo->jChipType < SIS_315H) idx = VCLK_CUSTOM_300;
+                                  if(SiS_Pr->ChipType < SIS_315H) idx = VCLK_CUSTOM_300;
                                   else                             idx = VCLK_CUSTOM_315;
-                                  SiS_Pr->SiS_VCLKData[idx].CLOCK =
-                                     SiS_Pr->SiS_VBVCLKData[idx].CLOCK = SiS_Pr->CP_PrefClock;
-                                  SiS_Pr->SiS_VCLKData[idx].SR2B =
-                                     SiS_Pr->SiS_VBVCLKData[idx].Part4_A = SiS_Pr->CP_PrefSR2B;
-                                  SiS_Pr->SiS_VCLKData[idx].SR2C =
-                                     SiS_Pr->SiS_VBVCLKData[idx].Part4_B = SiS_Pr->CP_PrefSR2C;
+                                  SiS_Pr->SiS_VCLKData[idx].CLOCK =
+                                     SiS_Pr->SiS_VBVCLKData[idx].CLOCK = SiS_Pr->CP_PrefClock;
+                                  SiS_Pr->SiS_VCLKData[idx].SR2B =
+                                     SiS_Pr->SiS_VBVCLKData[idx].Part4_A = SiS_Pr->CP_PrefSR2B;
+                                  SiS_Pr->SiS_VCLKData[idx].SR2C =
+                                     SiS_Pr->SiS_VBVCLKData[idx].Part4_B = SiS_Pr->CP_PrefSR2C;
                                }
                             }
                             break;
      default:               SiS_Pr->PanelXRes = 1024; SiS_Pr->PanelYRes =  768;
-                            SiS_Pr->PanelHT   = 1344; SiS_Pr->PanelVT   =  806;
+                            SiS_Pr->PanelHT   = 1344; SiS_Pr->PanelVT   =  806;
                             break;
   }
 
@@ -1887,14 +1903,16 @@ SiS_GetLCDResInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
       (SiS_Pr->SiS_IF_DEF_DSTN)              ||
       (SiS_Pr->SiS_CustomT == CUT_BARCO1366) ||
       (SiS_Pr->SiS_CustomT == CUT_BARCO1024) ||
-      (SiS_Pr->SiS_CustomT == CUT_PANEL848) ) {
+      (SiS_Pr->SiS_CustomT == CUT_PANEL848)  ||
+      (SiS_Pr->SiS_CustomT == CUT_PANEL856) ) {
      SiS_Pr->PanelHRS = 999;
      SiS_Pr->PanelHRE = 999;
   }
 
   if( (SiS_Pr->SiS_CustomT == CUT_BARCO1366) ||
       (SiS_Pr->SiS_CustomT == CUT_BARCO1024) ||
-      (SiS_Pr->SiS_CustomT == CUT_PANEL848) ) {
+      (SiS_Pr->SiS_CustomT == CUT_PANEL848)  ||
+      (SiS_Pr->SiS_CustomT == CUT_PANEL856) ) {
      SiS_Pr->PanelVRS = 999;
      SiS_Pr->PanelVRE = 999;
   }
@@ -1912,18 +1930,18 @@ SiS_GetLCDResInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
      case Panel_Custom:
      case Panel_1152x864:
      case Panel_1280x768:       /* TMDS only */
-        SiS_Pr->SiS_LCDInfo |= DontExpandLCD;
+        SiS_Pr->SiS_LCDInfo |= DontExpandLCD;
         break;
 
      case Panel_800x600: {
-        static const UCHAR nonscalingmodes[] = {
+        static const unsigned char nonscalingmodes[] = {
            SIS_RI_720x480, SIS_RI_720x576, SIS_RI_768x576, SIS_RI_800x480, 0xff
         };
         SiS_CheckScaling(SiS_Pr, resinfo, nonscalingmodes);
         break;
      }
      case Panel_1024x768: {
-        static const UCHAR nonscalingmodes[] = {
+        static const unsigned char nonscalingmodes[] = {
            SIS_RI_720x480, SIS_RI_720x576, SIS_RI_768x576, SIS_RI_800x480, SIS_RI_848x480,
            SIS_RI_856x480, SIS_RI_960x540, SIS_RI_960x600, SIS_RI_1024x576,SIS_RI_1024x600,
            0xff
@@ -1932,7 +1950,7 @@ SiS_GetLCDResInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
         break;
      }
      case Panel_1280x720: {
-        static const UCHAR nonscalingmodes[] = {
+        static const unsigned char nonscalingmodes[] = {
            SIS_RI_720x480, SIS_RI_720x576, SIS_RI_768x576, SIS_RI_800x480, SIS_RI_848x480,
            SIS_RI_856x480, SIS_RI_960x540, SIS_RI_960x600, SIS_RI_1024x576,SIS_RI_1024x600,
            0xff
@@ -1944,7 +1962,7 @@ SiS_GetLCDResInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
         break;
      }
      case Panel_1280x768_2: {  /* LVDS only */
-        static const UCHAR nonscalingmodes[] = {
+        static const unsigned char nonscalingmodes[] = {
            SIS_RI_720x480, SIS_RI_720x576, SIS_RI_768x576, SIS_RI_800x480, SIS_RI_848x480,
            SIS_RI_856x480, SIS_RI_960x540, SIS_RI_960x600, SIS_RI_1024x576,SIS_RI_1024x600,
            SIS_RI_1152x768,0xff
@@ -1952,23 +1970,23 @@ SiS_GetLCDResInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
         SiS_CheckScaling(SiS_Pr, resinfo, nonscalingmodes);
         switch(resinfo) {
         case SIS_RI_1280x720:  if(SiS_Pr->UsePanelScaler == -1) {
-                                  SiS_Pr->SiS_LCDInfo |= DontExpandLCD;
-                               }
-                               break;
+                                  SiS_Pr->SiS_LCDInfo |= DontExpandLCD;
+                               }
+                               break;
         }
-        break;
+        break;
      }
      case Panel_1280x800: {     /* SiS TMDS special (Averatec 6200 series) */
-        static const UCHAR nonscalingmodes[] = {
+        static const unsigned char nonscalingmodes[] = {
            SIS_RI_720x480, SIS_RI_720x576, SIS_RI_768x576, SIS_RI_800x480, SIS_RI_848x480,
            SIS_RI_856x480, SIS_RI_960x540, SIS_RI_960x600, SIS_RI_1024x576,SIS_RI_1024x600,
            SIS_RI_1152x768,SIS_RI_1280x720,SIS_RI_1280x768,0xff
         };
         SiS_CheckScaling(SiS_Pr, resinfo, nonscalingmodes);
-        break;
+        break;
      }
      case Panel_1280x800_2:  {  /* SiS LVDS */
-        static const UCHAR nonscalingmodes[] = {
+        static const unsigned char nonscalingmodes[] = {
            SIS_RI_720x480, SIS_RI_720x576, SIS_RI_768x576, SIS_RI_800x480, SIS_RI_848x480,
            SIS_RI_856x480, SIS_RI_960x540, SIS_RI_960x600, SIS_RI_1024x576,SIS_RI_1024x600,
            SIS_RI_1152x768,0xff
@@ -1977,66 +1995,83 @@ SiS_GetLCDResInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
         switch(resinfo) {
         case SIS_RI_1280x720:
         case SIS_RI_1280x768:  if(SiS_Pr->UsePanelScaler == -1) {
-                                  SiS_Pr->SiS_LCDInfo |= DontExpandLCD;
-                               }
-                               break;
+                                  SiS_Pr->SiS_LCDInfo |= DontExpandLCD;
+                               }
+                               break;
         }
-        break;
+        break;
+     }
+     case Panel_1280x854: {     /* SiS LVDS */
+        static const unsigned char nonscalingmodes[] = {
+           SIS_RI_720x480, SIS_RI_720x576, SIS_RI_768x576, SIS_RI_800x480, SIS_RI_848x480,
+           SIS_RI_856x480, SIS_RI_960x540, SIS_RI_960x600, SIS_RI_1024x576,SIS_RI_1024x600,
+           SIS_RI_1152x768,0xff
+        };
+        SiS_CheckScaling(SiS_Pr, resinfo, nonscalingmodes);
+        switch(resinfo) {
+        case SIS_RI_1280x720:
+        case SIS_RI_1280x768:
+        case SIS_RI_1280x800:  if(SiS_Pr->UsePanelScaler == -1) {
+                                  SiS_Pr->SiS_LCDInfo |= DontExpandLCD;
+                               }
+                               break;
+        }
+        break;
      }
      case Panel_1280x960: {
-        static const UCHAR nonscalingmodes[] = {
+        static const unsigned char nonscalingmodes[] = {
            SIS_RI_720x480, SIS_RI_720x576, SIS_RI_768x576, SIS_RI_800x480, SIS_RI_848x480,
            SIS_RI_856x480, SIS_RI_960x540, SIS_RI_960x600, SIS_RI_1024x576,SIS_RI_1024x600,
            SIS_RI_1152x768,SIS_RI_1152x864,SIS_RI_1280x720,SIS_RI_1280x768,SIS_RI_1280x800,
-           0xff
+           SIS_RI_1280x854,0xff
         };
         SiS_CheckScaling(SiS_Pr, resinfo, nonscalingmodes);
-        break;
+        break;
      }
      case Panel_1280x1024: {
-        static const UCHAR nonscalingmodes[] = {
+        static const unsigned char nonscalingmodes[] = {
            SIS_RI_720x480, SIS_RI_720x576, SIS_RI_768x576, SIS_RI_800x480, SIS_RI_848x480,
            SIS_RI_856x480, SIS_RI_960x540, SIS_RI_960x600, SIS_RI_1024x576,SIS_RI_1024x600,
            SIS_RI_1152x768,SIS_RI_1152x864,SIS_RI_1280x720,SIS_RI_1280x768,SIS_RI_1280x800,
-           SIS_RI_1280x960,0xff
+           SIS_RI_1280x854,SIS_RI_1280x960,0xff
         };
         SiS_CheckScaling(SiS_Pr, resinfo, nonscalingmodes);
         break;
      }
      case Panel_1400x1050: {
-        static const UCHAR nonscalingmodes[] = {
+        static const unsigned char nonscalingmodes[] = {
              SIS_RI_720x480, SIS_RI_720x576, SIS_RI_768x576, SIS_RI_800x480, SIS_RI_848x480,
              SIS_RI_856x480, SIS_RI_960x540, SIS_RI_960x600, SIS_RI_1024x576,SIS_RI_1024x600,
-             SIS_RI_1152x768,SIS_RI_1152x864,SIS_RI_1280x768,SIS_RI_1280x800,SIS_RI_1280x960,
-             0xff
+             SIS_RI_1152x768,SIS_RI_1152x864,SIS_RI_1280x768,SIS_RI_1280x800,SIS_RI_1280x854,
+             SIS_RI_1280x960,0xff
         };
         SiS_CheckScaling(SiS_Pr, resinfo, nonscalingmodes);
-        switch(resinfo) {
+        switch(resinfo) {
         case SIS_RI_1280x720:  if(SiS_Pr->UsePanelScaler == -1) {
-                                  SiS_Pr->SiS_LCDInfo |= DontExpandLCD;
-                               }
-                               break;
+                                  SiS_Pr->SiS_LCDInfo |= DontExpandLCD;
+                               }
+                               break;
         case SIS_RI_1280x1024: SiS_Pr->SiS_LCDInfo |= DontExpandLCD;
-                               break;
+                               break;
         }
         break;
      }
      case Panel_1600x1200: {
-        static const UCHAR nonscalingmodes[] = {
+        static const unsigned char nonscalingmodes[] = {
              SIS_RI_720x480, SIS_RI_720x576, SIS_RI_768x576, SIS_RI_800x480, SIS_RI_848x480,
              SIS_RI_856x480, SIS_RI_960x540, SIS_RI_960x600, SIS_RI_1024x576,SIS_RI_1024x600,
              SIS_RI_1152x768,SIS_RI_1152x864,SIS_RI_1280x720,SIS_RI_1280x768,SIS_RI_1280x800,
-             SIS_RI_1280x960,SIS_RI_1360x768,SIS_RI_1360x1024,0xff
+             SIS_RI_1280x854,SIS_RI_1280x960,SIS_RI_1360x768,SIS_RI_1360x1024,0xff
         };
         SiS_CheckScaling(SiS_Pr, resinfo, nonscalingmodes);
-        break;
+        break;
      }
      case Panel_1680x1050: {
-        static const UCHAR nonscalingmodes[] = {
+        static const unsigned char nonscalingmodes[] = {
              SIS_RI_720x480, SIS_RI_720x576, SIS_RI_768x576, SIS_RI_800x480, SIS_RI_848x480,
              SIS_RI_856x480, SIS_RI_960x540, SIS_RI_960x600, SIS_RI_1024x576,SIS_RI_1024x600,
-             SIS_RI_1152x768,SIS_RI_1152x864,SIS_RI_1280x960,SIS_RI_1360x768,SIS_RI_1360x1024,
-             0xff
+             SIS_RI_1152x768,SIS_RI_1152x864,SIS_RI_1280x854,SIS_RI_1280x960,SIS_RI_1360x768,
+             SIS_RI_1360x1024,0xff
         };
         SiS_CheckScaling(SiS_Pr, resinfo, nonscalingmodes);
         break;
@@ -2044,25 +2079,25 @@ SiS_GetLCDResInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
      }
   }
 
+#ifdef SIS300
   if(SiS_Pr->SiS_IF_DEF_LVDS == 1) {
-     if(SiS_Pr->SiS_CustomT == CUT_PANEL848) {
-        SiS_Pr->SiS_LCDInfo = 0x80 | 0x40 | 0x20;   /* neg h/v sync, RGB24(D0 = 0) */
+     if(SiS_Pr->SiS_CustomT == CUT_PANEL848 || SiS_Pr->SiS_CustomT == CUT_PANEL856) {
+        SiS_Pr->SiS_LCDInfo = 0x80 | 0x40 | 0x20;   /* neg h/v sync, RGB24(D0 = 0) */
      }
   }
 
-#ifdef SIS300
-  if(HwInfo->jChipType < SIS_315H) {
+  if(SiS_Pr->ChipType < SIS_315H) {
      if(SiS_Pr->SiS_IF_DEF_LVDS == 1) {
-        if(SiS_Pr->SiS_UseROM) {
+        if(SiS_Pr->SiS_UseROM) {
            if((ROMAddr[0x233] == 0x12) && (ROMAddr[0x234] == 0x34)) {
-              if(!(ROMAddr[0x235] & 0x02)) {
-                 SiS_Pr->SiS_LCDInfo &= (~DontExpandLCD);
-              }
+              if(!(ROMAddr[0x235] & 0x02)) {
+                 SiS_Pr->SiS_LCDInfo &= (~DontExpandLCD);
+              }
            }
-        }
-     } else if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {
+        }
+     } else if(SiS_Pr->SiS_VBType & VB_SIS30xBLV) {
         if((SiS_Pr->SiS_SetFlag & SetDOSMode) && ((ModeNo == 0x03) || (ModeNo == 0x10))) {
-           SiS_Pr->SiS_LCDInfo &= (~DontExpandLCD);
+           SiS_Pr->SiS_LCDInfo &= (~DontExpandLCD);
         }
      }
   }
@@ -2080,7 +2115,7 @@ SiS_GetLCDResInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 
   switch(SiS_Pr->SiS_LCDResInfo) {
   case Panel_640x480:
-     SiS_Pr->SiS_LCDInfo |= LCDPass11;
+     SiS_Pr->SiS_LCDInfo |= (DontExpandLCD | LCDPass11);
      break;
   case Panel_1280x800:
      /* Don't pass 1:1 by default (TMDS special) */
@@ -2097,7 +2132,7 @@ SiS_GetLCDResInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
      break;
   }
 
-  if(SiS_Pr->UseCustomMode) {
+  if((SiS_Pr->UseCustomMode) || (SiS_Pr->SiS_CustomT == CUT_UNKNOWNLCD)) {
      SiS_Pr->SiS_LCDInfo |= (DontExpandLCD | LCDPass11);
   }
 
@@ -2107,19 +2142,19 @@ SiS_GetLCDResInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
   }
 
   /* LVDS DDA */
-  if(!((HwInfo->jChipType < SIS_315H) && (SiS_Pr->SiS_SetFlag & SetDOSMode))) {
+  if(!((SiS_Pr->ChipType < SIS_315H) && (SiS_Pr->SiS_SetFlag & SetDOSMode))) {
 
      if((SiS_Pr->SiS_IF_DEF_LVDS == 1) || (SiS_Pr->SiS_VBType & VB_NoLCD)) {
         if(SiS_Pr->SiS_IF_DEF_TRUMPION == 0) {
            if(ModeNo == 0x12) {
               if(SiS_Pr->SiS_LCDInfo & LCDPass11) {
-                 SiS_Pr->SiS_SetFlag |= EnableLVDSDDA;
+                 SiS_Pr->SiS_SetFlag |= EnableLVDSDDA;
               }
            } else if(ModeNo > 0x13) {
               if(SiS_Pr->SiS_LCDResInfo == Panel_1024x600) {
-                 if(!(SiS_Pr->SiS_LCDInfo & DontExpandLCD)) {
-                    if((resinfo == SIS_RI_800x600) || (resinfo == SIS_RI_400x300)) {
-                       SiS_Pr->SiS_SetFlag |= EnableLVDSDDA;
+                 if(!(SiS_Pr->SiS_LCDInfo & DontExpandLCD)) {
+                    if((resinfo == SIS_RI_800x600) || (resinfo == SIS_RI_400x300)) {
+                       SiS_Pr->SiS_SetFlag |= EnableLVDSDDA;
                     }
                  }
               }
@@ -2128,18 +2163,18 @@ SiS_GetLCDResInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
      }
 
      if(modeflag & HalfDCLK) {
-        if(SiS_Pr->SiS_IF_DEF_TRUMPION == 1) {
+        if(SiS_Pr->SiS_IF_DEF_TRUMPION == 1) {
            SiS_Pr->SiS_SetFlag |= EnableLVDSDDA;
-        } else if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) {
+        } else if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) {
            SiS_Pr->SiS_SetFlag |= EnableLVDSDDA;
         } else if(SiS_Pr->SiS_LCDResInfo == Panel_640x480) {
            SiS_Pr->SiS_SetFlag |= EnableLVDSDDA;
         } else if(ModeNo > 0x13) {
-           if(SiS_Pr->SiS_LCDResInfo == Panel_1024x768) {
-              if(resinfo == SIS_RI_512x384) SiS_Pr->SiS_SetFlag |= EnableLVDSDDA;
-           } else if(SiS_Pr->SiS_LCDResInfo == Panel_800x600) {
-              if(resinfo == SIS_RI_400x300) SiS_Pr->SiS_SetFlag |= EnableLVDSDDA;
-           }
+           if(SiS_Pr->SiS_LCDResInfo == Panel_1024x768) {
+              if(resinfo == SIS_RI_512x384) SiS_Pr->SiS_SetFlag |= EnableLVDSDDA;
+           } else if(SiS_Pr->SiS_LCDResInfo == Panel_800x600) {
+              if(resinfo == SIS_RI_400x300) SiS_Pr->SiS_SetFlag |= EnableLVDSDDA;
+           }
         }
      }
 
@@ -2148,21 +2183,21 @@ SiS_GetLCDResInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
   /* VESA timing */
   if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) {
      if(SiS_Pr->SiS_VBInfo & SetNotSimuMode) {
-        SiS_Pr->SiS_SetFlag |= LCDVESATiming;
+        SiS_Pr->SiS_SetFlag |= LCDVESATiming;
      }
   } else {
      SiS_Pr->SiS_SetFlag |= LCDVESATiming;
   }
 
-#ifdef LINUX_KERNEL
-#ifdef TWDEBUG
+#ifdef SIS_LINUX_KERNEL
+#if 0
   printk(KERN_DEBUG "sisfb: (LCDInfo=0x%04x LCDResInfo=0x%02x LCDTypeInfo=0x%02x)\n",
         SiS_Pr->SiS_LCDInfo, SiS_Pr->SiS_LCDResInfo, SiS_Pr->SiS_LCDTypeInfo);
 #endif
 #endif
-#ifdef LINUX_XF86
+#ifdef SIS_XORG_XF86
   xf86DrvMsgVerb(0, X_PROBED, 4,
-        "(init301: LCDInfo=0x%04x LCDResInfo=0x%02x LCDTypeInfo=0x%02x SetFlag=0x%04x)\n",
+        "(init301: LCDInfo=0x%04x LCDResInfo=0x%02x LCDTypeInfo=0x%02x SetFlag=0x%04x)\n",
         SiS_Pr->SiS_LCDInfo, SiS_Pr->SiS_LCDResInfo, SiS_Pr->SiS_LCDTypeInfo, SiS_Pr->SiS_SetFlag);
 #endif
 }
@@ -2171,45 +2206,46 @@ SiS_GetLCDResInfo(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 /*                 GET VCLK                  */
 /*********************************************/
 
-USHORT
-SiS_GetVCLK2Ptr(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
-                USHORT RefreshRateTableIndex, PSIS_HW_INFO HwInfo)
+unsigned short
+SiS_GetVCLK2Ptr(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex,
+                unsigned short RefreshRateTableIndex)
 {
-  USHORT CRT2Index,VCLKIndex=0,VCLKIndexGEN=0;
-  USHORT modeflag,resinfo,tempbx;
-  const UCHAR *CHTVVCLKPtr = NULL;
+  unsigned short CRT2Index, VCLKIndex = 0, VCLKIndexGEN = 0, VCLKIndexGENCRT = 0;
+  unsigned short modeflag, resinfo, tempbx;
+  const unsigned char *CHTVVCLKPtr = NULL;
 
   if(ModeNo <= 0x13) {
      modeflag = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ModeFlag;
      resinfo = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ResInfo;
      CRT2Index = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_CRT2CRTC;
      VCLKIndexGEN = (SiS_GetRegByte((SiS_Pr->SiS_P3ca+0x02)) >> 2) & 0x03;
+     VCLKIndexGENCRT = VCLKIndexGEN;
   } else {
      modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag;
      resinfo = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_RESINFO;
      CRT2Index = SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_CRT2CRTC;
      VCLKIndexGEN = SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_CRTVCLK;
-     if(HwInfo->jChipType < SIS_315H) VCLKIndexGEN &= 0x3f;
+     VCLKIndexGENCRT = SiS_GetRefCRTVCLK(SiS_Pr, RefreshRateTableIndex,
+                (SiS_Pr->SiS_SetFlag & ProgrammingCRT2) ? SiS_Pr->SiS_UseWideCRT2 : SiS_Pr->SiS_UseWide);
   }
 
   if(SiS_Pr->SiS_VBType & VB_SISVB) {    /* 30x/B/LV */
 
      if(SiS_Pr->SiS_SetFlag & ProgrammingCRT2) {
 
-        CRT2Index >>= 6;
-        if(SiS_Pr->SiS_VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) {       /*  LCD */
+        CRT2Index >>= 6;
+        if(SiS_Pr->SiS_VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) {       /*  LCD */
 
-           if(HwInfo->jChipType < SIS_315H) {
+           if(SiS_Pr->ChipType < SIS_315H) {
               VCLKIndex = SiS_Pr->PanelVCLKIdx300;
               if((SiS_Pr->SiS_LCDInfo & DontExpandLCD) && (SiS_Pr->SiS_LCDInfo & LCDPass11)) {
-                 VCLKIndex = VCLKIndexGEN;
+                 VCLKIndex = VCLKIndexGEN;
               }
            } else {
               VCLKIndex = SiS_Pr->PanelVCLKIdx315;
               if((SiS_Pr->SiS_LCDInfo & DontExpandLCD) && (SiS_Pr->SiS_LCDInfo & LCDPass11)) {
                  switch(resinfo) {
-                 /* Only those whose IndexGEN doesn't match VBVCLK array */
-                 case SIS_RI_1280x720: VCLKIndex = VCLK_1280x720; break;
+                 /* Correct those whose IndexGEN doesn't match VBVCLK array */
                  case SIS_RI_720x480:  VCLKIndex = VCLK_720x480;  break;
                  case SIS_RI_720x576:  VCLKIndex = VCLK_720x576;  break;
                  case SIS_RI_768x576:  VCLKIndex = VCLK_768x576;  break;
@@ -2218,18 +2254,19 @@ SiS_GetVCLK2Ptr(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
                  case SIS_RI_800x480:  VCLKIndex = VCLK_800x480;  break;
                  case SIS_RI_1024x576: VCLKIndex = VCLK_1024x576; break;
                  case SIS_RI_1152x864: VCLKIndex = VCLK_1152x864; break;
+                 case SIS_RI_1280x720: VCLKIndex = VCLK_1280x720; break;
                  case SIS_RI_1360x768: VCLKIndex = VCLK_1360x768; break;
                  default:              VCLKIndex = VCLKIndexGEN;
                  }
 
                  if(ModeNo <= 0x13) {
-                    if(HwInfo->jChipType <= SIS_315PRO) {
+                    if(SiS_Pr->ChipType <= SIS_315PRO) {
                        if(SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_CRT2CRTC == 1) VCLKIndex = 0x42;
-                    } else {
+                    } else {
                        if(SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_CRT2CRTC == 1) VCLKIndex = 0x00;
                     }
                  }
-                 if(HwInfo->jChipType <= SIS_315PRO) {
+                 if(SiS_Pr->ChipType <= SIS_315PRO) {
                     if(VCLKIndex == 0) VCLKIndex = 0x41;
                     if(VCLKIndex == 1) VCLKIndex = 0x43;
                     if(VCLKIndex == 4) VCLKIndex = 0x44;
@@ -2237,49 +2274,46 @@ SiS_GetVCLK2Ptr(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
               }
            }
 
-        } else if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {                   /*  TV */
+        } else if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {                   /*  TV */
 
            if(SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision) {
-              if(SiS_Pr->SiS_TVMode & TVRPLLDIV2XO)             VCLKIndex = HiTVVCLKDIV2;
-              else                                              VCLKIndex = HiTVVCLK;
-              if(SiS_Pr->SiS_TVMode & TVSetTVSimuMode) {
-                 if(modeflag & Charx8Dot)                       VCLKIndex = HiTVSimuVCLK;
-                 else                                           VCLKIndex = HiTVTextVCLK;
-              }
-           } else if(SiS_Pr->SiS_TVMode & TVSetYPbPr750p)       VCLKIndex = YPbPr750pVCLK;
-           else if(SiS_Pr->SiS_TVMode & TVSetYPbPr525p)         VCLKIndex = TVVCLKDIV2;
-           else if(SiS_Pr->SiS_TVMode & TVRPLLDIV2XO)           VCLKIndex = TVVCLKDIV2;
-           else                                                 VCLKIndex = TVVCLK;
-
-           if(HwInfo->jChipType < SIS_315H) VCLKIndex += TVCLKBASE_300;
-           else                             VCLKIndex += TVCLKBASE_315;
-
-        } else {                                                        /* VGA2 */
-
-           VCLKIndex = VCLKIndexGEN;
-           if(HwInfo->jChipType < SIS_315H) {
-              if(ModeNo > 0x13) {
-                 if( (HwInfo->jChipType == SIS_630) &&
-                     (HwInfo->jChipRevision >= 0x30)) {
+              if(SiS_Pr->SiS_TVMode & TVRPLLDIV2XO)        VCLKIndex = HiTVVCLKDIV2;
+              else                                         VCLKIndex = HiTVVCLK;
+              if(SiS_Pr->SiS_TVMode & TVSetTVSimuMode)     VCLKIndex = HiTVSimuVCLK;
+           } else if(SiS_Pr->SiS_TVMode & TVSetYPbPr750p)  VCLKIndex = YPbPr750pVCLK;
+           else if(SiS_Pr->SiS_TVMode & TVSetYPbPr525p)    VCLKIndex = TVVCLKDIV2;
+           else if(SiS_Pr->SiS_TVMode & TVRPLLDIV2XO)      VCLKIndex = TVVCLKDIV2;
+           else                                            VCLKIndex = TVVCLK;
+
+           if(SiS_Pr->ChipType < SIS_315H) VCLKIndex += TVCLKBASE_300;
+           else                            VCLKIndex += TVCLKBASE_315;
+
+        } else {                                                        /* VGA2 */
+
+           VCLKIndex = VCLKIndexGENCRT;
+           if(SiS_Pr->ChipType < SIS_315H) {
+              if(ModeNo > 0x13) {
+                 if( (SiS_Pr->ChipType == SIS_630) &&
+                     (SiS_Pr->ChipRevision >= 0x30)) {
                     if(VCLKIndex == 0x14) VCLKIndex = 0x34;
                  }
                  /* Better VGA2 clock for 1280x1024@75 */
                  if(VCLKIndex == 0x17) VCLKIndex = 0x45;
               }
-           }
-        }
+           }
+        }
 
      } else {   /* If not programming CRT2 */
 
-        VCLKIndex = VCLKIndexGEN;
-        if(HwInfo->jChipType < SIS_315H) {
-           if(ModeNo > 0x13) {
-              if( (HwInfo->jChipType != SIS_630) &&
-                  (HwInfo->jChipType != SIS_300) ) {
+        VCLKIndex = VCLKIndexGENCRT;
+        if(SiS_Pr->ChipType < SIS_315H) {
+           if(ModeNo > 0x13) {
+              if( (SiS_Pr->ChipType != SIS_630) &&
+                  (SiS_Pr->ChipType != SIS_300) ) {
                  if(VCLKIndex == 0x1b) VCLKIndex = 0x48;
               }
            }
-        }
+        }
      }
 
   } else {       /*   LVDS  */
@@ -2288,12 +2322,12 @@ SiS_GetVCLK2Ptr(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 
      if(SiS_Pr->SiS_SetFlag & ProgrammingCRT2) {
 
-        if( (SiS_Pr->SiS_IF_DEF_CH70xx != 0) && (SiS_Pr->SiS_VBInfo & SetCRT2ToTV) ) {
+        if( (SiS_Pr->SiS_IF_DEF_CH70xx != 0) && (SiS_Pr->SiS_VBInfo & SetCRT2ToTV) ) {
 
            VCLKIndex &= 0x1f;
-           tempbx = 0;
+           tempbx = 0;
            if(SiS_Pr->SiS_TVMode & TVSetCHOverScan) tempbx += 1;
-           if(SiS_Pr->SiS_TVMode & TVSetPAL) {
+           if(SiS_Pr->SiS_TVMode & TVSetPAL) {
               tempbx += 2;
               if(SiS_Pr->SiS_ModeType > ModeVGA) {
                  if(SiS_Pr->SiS_CHSOverScan) tempbx = 8;
@@ -2306,66 +2340,68 @@ SiS_GetVCLK2Ptr(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
                  if(SiS_Pr->SiS_TVMode & TVSetCHOverScan) tempbx += 1;
               }
            }
-           switch(tempbx) {
-             case  0: CHTVVCLKPtr = SiS_Pr->SiS_CHTVVCLKUNTSC;  break;
-             case  1: CHTVVCLKPtr = SiS_Pr->SiS_CHTVVCLKONTSC;  break;
-             case  2: CHTVVCLKPtr = SiS_Pr->SiS_CHTVVCLKUPAL;   break;
-             case  3: CHTVVCLKPtr = SiS_Pr->SiS_CHTVVCLKOPAL;   break;
+           switch(tempbx) {
+             case  0: CHTVVCLKPtr = SiS_Pr->SiS_CHTVVCLKUNTSC;  break;
+             case  1: CHTVVCLKPtr = SiS_Pr->SiS_CHTVVCLKONTSC;  break;
+             case  2: CHTVVCLKPtr = SiS_Pr->SiS_CHTVVCLKUPAL;   break;
+             case  3: CHTVVCLKPtr = SiS_Pr->SiS_CHTVVCLKOPAL;   break;
              case  4: CHTVVCLKPtr = SiS_Pr->SiS_CHTVVCLKUPALM;  break;
-             case  5: CHTVVCLKPtr = SiS_Pr->SiS_CHTVVCLKOPALM;  break;
-             case  6: CHTVVCLKPtr = SiS_Pr->SiS_CHTVVCLKUPALN;  break;
-             case  7: CHTVVCLKPtr = SiS_Pr->SiS_CHTVVCLKOPALN;  break;
+             case  5: CHTVVCLKPtr = SiS_Pr->SiS_CHTVVCLKOPALM;  break;
+             case  6: CHTVVCLKPtr = SiS_Pr->SiS_CHTVVCLKUPALN;  break;
+             case  7: CHTVVCLKPtr = SiS_Pr->SiS_CHTVVCLKOPALN;  break;
              case  8: CHTVVCLKPtr = SiS_Pr->SiS_CHTVVCLKSOPAL;  break;
              default: CHTVVCLKPtr = SiS_Pr->SiS_CHTVVCLKOPAL;   break;
-           }
-           VCLKIndex = CHTVVCLKPtr[VCLKIndex];
+           }
+           VCLKIndex = CHTVVCLKPtr[VCLKIndex];
 
-        } else if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {
+        } else if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {
 
-           if(HwInfo->jChipType < SIS_315H) {
+           if(SiS_Pr->ChipType < SIS_315H) {
               VCLKIndex = SiS_Pr->PanelVCLKIdx300;
            } else {
               VCLKIndex = SiS_Pr->PanelVCLKIdx315;
            }
 
+#ifdef SIS300
            /* Special Timing: Barco iQ Pro R series */
            if(SiS_Pr->SiS_CustomT == CUT_BARCO1366) VCLKIndex = 0x44;
 
-           /* Special Timing: 848x480 parallel lvds */
-           if(SiS_Pr->SiS_CustomT == CUT_PANEL848) {
-              if(HwInfo->jChipType < SIS_315H) {
+           /* Special Timing: 848x480 and 856x480 parallel lvds panels */
+           if(SiS_Pr->SiS_CustomT == CUT_PANEL848 || SiS_Pr->SiS_CustomT == CUT_PANEL856) {
+              if(SiS_Pr->ChipType < SIS_315H) {
                  VCLKIndex = VCLK34_300;
-                 /* if(resinfo == SIS_RI_1360x768) VCLKIndex = ?; */
+                 /* if(resinfo == SIS_RI_1360x768) VCLKIndex = ?; */
               } else {
                  VCLKIndex = VCLK34_315;
                  /* if(resinfo == SIS_RI_1360x768) VCLKIndex = ?; */
               }
            }
+#endif
 
-        } else {
+        } else {
 
-           VCLKIndex = VCLKIndexGEN;
-           if(HwInfo->jChipType < SIS_315H) {
-              if(ModeNo > 0x13) {
-                 if( (HwInfo->jChipType == SIS_630) &&
-                     (HwInfo->jChipRevision >= 0x30) ) {
+           VCLKIndex = VCLKIndexGENCRT;
+           if(SiS_Pr->ChipType < SIS_315H) {
+              if(ModeNo > 0x13) {
+                 if( (SiS_Pr->ChipType == SIS_630) &&
+                     (SiS_Pr->ChipRevision >= 0x30) ) {
                     if(VCLKIndex == 0x14) VCLKIndex = 0x2e;
-                 }
-              }
+                 }
+              }
            }
-        }
+        }
 
      } else {  /* if not programming CRT2 */
 
-        VCLKIndex = VCLKIndexGEN;
-        if(HwInfo->jChipType < SIS_315H) {
-           if(ModeNo > 0x13) {
-              if( (HwInfo->jChipType != SIS_630) &&
-                  (HwInfo->jChipType != SIS_300) ) {
+        VCLKIndex = VCLKIndexGENCRT;
+        if(SiS_Pr->ChipType < SIS_315H) {
+           if(ModeNo > 0x13) {
+              if( (SiS_Pr->ChipType != SIS_630) &&
+                  (SiS_Pr->ChipType != SIS_300) ) {
                  if(VCLKIndex == 0x1b) VCLKIndex = 0x48;
               }
 #if 0
-              if(HwInfo->jChipType == SIS_730) {
+              if(SiS_Pr->ChipType == SIS_730) {
                  if(VCLKIndex == 0x0b) VCLKIndex = 0x40;   /* 1024x768-70 */
                  if(VCLKIndex == 0x0d) VCLKIndex = 0x41;   /* 1024x768-75 */
               }
@@ -2377,11 +2413,13 @@ SiS_GetVCLK2Ptr(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 
   }
 
+#ifdef SIS_XORG_XF86
 #ifdef TWDEBUG
   xf86DrvMsg(0, X_INFO, "VCLKIndex %d (0x%x)\n", VCLKIndex, VCLKIndex);
 #endif
+#endif
 
-  return(VCLKIndex);
+  return VCLKIndex;
 }
 
 /*********************************************/
@@ -2389,26 +2427,19 @@ SiS_GetVCLK2Ptr(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 /*********************************************/
 
 static void
-SiS_SetCRT2ModeRegs(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
-                    PSIS_HW_INFO HwInfo)
+SiS_SetCRT2ModeRegs(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex)
 {
-  USHORT i,j,modeflag;
-  USHORT tempcl,tempah=0;
+  unsigned short i, j, modeflag, tempah=0;
+  short tempcl;
 #if defined(SIS300) || defined(SIS315H)
-  USHORT tempbl;
+  unsigned short tempbl;
 #endif
 #ifdef SIS315H
-  UCHAR  *ROMAddr = HwInfo->pjVirtualRomBase;
-  USHORT tempah2, tempbl2;
+  unsigned char  *ROMAddr = SiS_Pr->VirtualRomBase;
+  unsigned short tempah2, tempbl2;
 #endif
 
-  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;
-  }
+  modeflag = SiS_GetModeFlag(SiS_Pr, ModeNo, ModeIdIndex);
 
   if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA) {
 
@@ -2418,18 +2449,18 @@ SiS_SetCRT2ModeRegs(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
   } else {
 
      for(i=0,j=4; i<3; i++,j++) SiS_SetReg(SiS_Pr->SiS_Part1Port,j,0);
-     if(HwInfo->jChipType >= SIS_315H) {
+     if(SiS_Pr->ChipType >= SIS_315H) {
         SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x02,0x7F);
      }
 
      tempcl = SiS_Pr->SiS_ModeType;
 
-     if(HwInfo->jChipType < SIS_315H) {
+     if(SiS_Pr->ChipType < SIS_315H) {
 
 #ifdef SIS300    /* ---- 300 series ---- */
 
-        /* For 301BDH: (with LCD via LVDS) */
-        if(SiS_Pr->SiS_VBType & VB_NoLCD) {
+        /* For 301BDH: (with LCD via LVDS) */
+        if(SiS_Pr->SiS_VBType & VB_NoLCD) {
            tempbl = SiS_GetReg(SiS_Pr->SiS_P3c4,0x32);
            tempbl &= 0xef;
            tempbl |= 0x02;
@@ -2438,16 +2469,16 @@ SiS_SetCRT2ModeRegs(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
               tempbl &= 0xfd;
            }
            SiS_SetReg(SiS_Pr->SiS_P3c4,0x32,tempbl);
-        }
+        }
 
-        if(ModeNo > 0x13) {
-           tempcl -= ModeVGA;
-           if((tempcl > 0) || (tempcl == 0)) {      /* tempcl is USHORT -> always true! */
-              tempah = ((0x10 >> tempcl) | 0x80);
-           }
-        } else tempah = 0x80;
+        if(ModeNo > 0x13) {
+           tempcl -= ModeVGA;
+           if(tempcl >= 0) {
+              tempah = ((0x10 >> tempcl) | 0x80);
+           }
+        } else tempah = 0x80;
 
-        if(SiS_Pr->SiS_VBInfo & SetInSlaveMode)  tempah ^= 0xA0;
+        if(SiS_Pr->SiS_VBInfo & SetInSlaveMode)  tempah ^= 0xA0;
 
 #endif  /* SIS300 */
 
@@ -2455,22 +2486,16 @@ SiS_SetCRT2ModeRegs(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 
 #ifdef SIS315H    /* ------- 315/330 series ------ */
 
-        if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {
-           if(SiS_Pr->SiS_VBInfo & DisableCRT2Display) {
-              SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x2e,0x08);
-           }
-        }
-
-        if(ModeNo > 0x13) {
-           tempcl -= ModeVGA;
-           if((tempcl > 0) || (tempcl == 0)) {  /* tempcl is USHORT -> always true! */
-              tempah = (0x08 >> tempcl);
-              if (tempah == 0) tempah = 1;
-              tempah |= 0x40;
-           }
-        } else tempah = 0x40;
+        if(ModeNo > 0x13) {
+           tempcl -= ModeVGA;
+           if(tempcl >= 0) {
+              tempah = (0x08 >> tempcl);
+              if (tempah == 0) tempah = 1;
+              tempah |= 0x40;
+           }
+        } else tempah = 0x40;
 
-        if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) tempah ^= 0x50;
+        if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) tempah ^= 0x50;
 
 #endif  /* SIS315H */
 
@@ -2478,84 +2503,89 @@ SiS_SetCRT2ModeRegs(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 
      if(SiS_Pr->SiS_VBInfo & DisableCRT2Display) tempah = 0;
 
-     if(HwInfo->jChipType < SIS_315H) {
-        SiS_SetReg(SiS_Pr->SiS_Part1Port,0x00,tempah);
+     if(SiS_Pr->ChipType < SIS_315H) {
+        SiS_SetReg(SiS_Pr->SiS_Part1Port,0x00,tempah);
      } else {
-        if(SiS_Pr->SiS_IF_DEF_LVDS == 1) {
-           SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x00,0xa0,tempah);
-        } else if(SiS_Pr->SiS_VBType & VB_SISVB) {
-           if(IS_SIS740) {
+#ifdef SIS315H
+        if(SiS_Pr->SiS_IF_DEF_LVDS == 1) {
+           SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x00,0xa0,tempah);
+        } else if(SiS_Pr->SiS_VBType & VB_SISVB) {
+           if(IS_SIS740) {
               SiS_SetReg(SiS_Pr->SiS_Part1Port,0x00,tempah);
            } else {
-              SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x00,0xa0,tempah);
+              SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x00,0xa0,tempah);
            }
-        }
+        }
+#endif
      }
 
      if(SiS_Pr->SiS_VBType & VB_SISVB) {
 
-        tempah = 0x01;
-        if(!(SiS_Pr->SiS_VBInfo & SetInSlaveMode)) {
-           tempah |= 0x02;
-        }
-        if(!(SiS_Pr->SiS_VBInfo & SetCRT2ToRAMDAC)) {
-           tempah ^= 0x05;
-           if(!(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD)) {
-              tempah ^= 0x01;
-           }
-        }
+        tempah = 0x01;
+        if(!(SiS_Pr->SiS_VBInfo & SetInSlaveMode)) {
+           tempah |= 0x02;
+        }
+        if(!(SiS_Pr->SiS_VBInfo & SetCRT2ToRAMDAC)) {
+           tempah ^= 0x05;
+           if(!(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD)) {
+              tempah ^= 0x01;
+           }
+        }
 
-        if(SiS_Pr->SiS_VBInfo & DisableCRT2Display)  tempah = 0;
+        if(SiS_Pr->ChipType < SIS_315H) {
 
-        if(HwInfo->jChipType < SIS_315H) {
+           if(SiS_Pr->SiS_VBInfo & DisableCRT2Display)  tempah = 0;
 
-           tempah = (tempah << 5) & 0xFF;
-           SiS_SetReg(SiS_Pr->SiS_Part1Port,0x01,tempah);
-           tempah = (tempah >> 5) & 0xFF;
+           tempah = (tempah << 5) & 0xFF;
+           SiS_SetReg(SiS_Pr->SiS_Part1Port,0x01,tempah);
+           tempah = (tempah >> 5) & 0xFF;
 
-        } else {
+        } else {
 
-           SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x2E,0xF8,tempah);
+           if(SiS_Pr->SiS_VBInfo & DisableCRT2Display)  tempah = 0x08;
+           else if(!(SiS_IsDualEdge(SiS_Pr)))           tempah |= 0x08;
+           SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x2E,0xF0,tempah);
+           tempah &= ~0x08;
 
-        }
+        }
 
-        if((SiS_Pr->SiS_ModeType == ModeVGA) && (!(SiS_Pr->SiS_VBInfo & SetInSlaveMode))) {
-           tempah |= 0x10;
-        }
+        if((SiS_Pr->SiS_ModeType == ModeVGA) && (!(SiS_Pr->SiS_VBInfo & SetInSlaveMode))) {
+           tempah |= 0x10;
+        }
 
         tempah |= 0x80;
-        if(SiS_Pr->SiS_VBType & VB_SIS301) {
+        if(SiS_Pr->SiS_VBType & VB_SIS301) {
            if(SiS_Pr->PanelXRes < 1280 && SiS_Pr->PanelYRes < 960) tempah &= ~0x80;
-        }
+        }
 
-        if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
+        if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
            if(!(SiS_Pr->SiS_TVMode & (TVSetYPbPr750p | TVSetYPbPr525p))) {
-              if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) {
-                 tempah |= 0x20;
+              if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) {
+                 tempah |= 0x20;
               }
-           }
-        }
+           }
+        }
 
-        SiS_SetRegANDOR(SiS_Pr->SiS_Part4Port,0x0D,0x40,tempah);
+        SiS_SetRegANDOR(SiS_Pr->SiS_Part4Port,0x0D,0x40,tempah);
 
         tempah = 0x80;
         if(SiS_Pr->SiS_VBType & VB_SIS301) {
            if(SiS_Pr->PanelXRes < 1280 && SiS_Pr->PanelYRes < 960) tempah = 0;
         }
 
-        if(SiS_IsDualLink(SiS_Pr, HwInfo)) tempah |= 0x40;
+        if(SiS_IsDualLink(SiS_Pr)) tempah |= 0x40;
 
-        if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
+        if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
            if(SiS_Pr->SiS_TVMode & TVRPLLDIV2XO) {
-              tempah |= 0x40;
-           }
-        }
+              tempah |= 0x40;
+           }
+        }
 
-        SiS_SetReg(SiS_Pr->SiS_Part4Port,0x0C,tempah);
+        SiS_SetReg(SiS_Pr->SiS_Part4Port,0x0C,tempah);
 
      } else {  /* LVDS */
 
-        if(HwInfo->jChipType >= SIS_315H) {
+        if(SiS_Pr->ChipType >= SIS_315H) {
 
 #ifdef SIS315H
            /* LVDS can only be slave in 8bpp modes */
@@ -2566,36 +2596,30 @@ SiS_SetCRT2ModeRegs(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
               }
            }
 
-           if(!(SiS_Pr->SiS_VBInfo & SetInSlaveMode)) {
-              tempah |= 0x02;
-           }
+           if(!(SiS_Pr->SiS_VBInfo & SetInSlaveMode))  tempah |= 0x02;
 
-           if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
-              tempah ^= 0x01;
-           }
+           if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV)        tempah ^= 0x01;
 
-           if(SiS_Pr->SiS_VBInfo & DisableCRT2Display) {
-              tempah = 1;
-           }
+           if(SiS_Pr->SiS_VBInfo & DisableCRT2Display) tempah = 1;
 
-           SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x2e,0xF0,tempah);
+           SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x2e,0xF0,tempah);
 #endif
 
-        } else {
+        } else {
 
 #ifdef SIS300
            tempah = 0;
            if( (!(SiS_Pr->SiS_VBInfo & SetInSlaveMode)) && (SiS_Pr->SiS_ModeType > ModeVGA) ) {
-              tempah |= 0x02;
-           }
+              tempah |= 0x02;
+           }
            tempah <<= 5;
 
-           if(SiS_Pr->SiS_VBInfo & DisableCRT2Display)  tempah = 0;
+           if(SiS_Pr->SiS_VBInfo & DisableCRT2Display) tempah = 0;
 
            SiS_SetReg(SiS_Pr->SiS_Part1Port,0x01,tempah);
 #endif
 
-        }
+        }
 
      }
 
@@ -2603,10 +2627,10 @@ SiS_SetCRT2ModeRegs(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 
   if(SiS_Pr->SiS_VBType & VB_SISVB) {
 
-     if(HwInfo->jChipType >= SIS_315H) {
+     if(SiS_Pr->ChipType >= SIS_315H) {
 
 #ifdef SIS315H
-        unsigned char bridgerev = SiS_GetReg(SiS_Pr->SiS_Part4Port,0x01);
+        /* unsigned char bridgerev = SiS_GetReg(SiS_Pr->SiS_Part4Port,0x01); */
 
         /* The following is nearly unpreditable and varies from machine
          * to machine. Especially the 301DH seems to be a real trouble
@@ -2619,25 +2643,28 @@ SiS_SetCRT2ModeRegs(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 
         /* 740 variants match for 30xB, 301B-DH, 30xLV */
 
-        if(!(IS_SIS740)) {
-           tempah = 0x04;                                                  /* For all bridges */
-           tempbl = 0xfb;
-           if(!(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA)) {
-              tempah = 0x00;
-              if(SiS_IsDualEdge(SiS_Pr, HwInfo)) {
+        if(!(IS_SIS740)) {
+           tempah = 0x04;                                                  /* For all bridges */
+           tempbl = 0xfb;
+           if(!(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA)) {
+              tempah = 0x00;
+              if(SiS_IsDualEdge(SiS_Pr)) {
                  tempbl = 0xff;
               }
-           }
-           SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x13,tempbl,tempah);
+           }
+           SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x13,tempbl,tempah);
         }
 
         /* The following two are responsible for eventually wrong colors
          * in TV output. The DH (VB_NoLCD) conditions are unknown; the
          * b0 was found in some 651 machine (Pim; P4_23=0xe5); the b1 version
          * in a 650 box (Jake). What is the criteria?
+         * Addendum: Another combination 651+301B-DH(b1) (Rapo) needs same
+         * treatment like the 651+301B-DH(b0) case. Seems more to be the
+         * chipset than the bridge revision.
          */
 
-        if((IS_SIS740) || (HwInfo->jChipType >= SIS_661) || (SiS_Pr->SiS_ROMNew)) {
+        if((IS_SIS740) || (SiS_Pr->ChipType >= SIS_661) || (SiS_Pr->SiS_ROMNew)) {
            tempah = 0x30;
            tempbl = 0xc0;
            if((SiS_Pr->SiS_VBInfo & DisableCRT2Display) ||
@@ -2649,20 +2676,30 @@ SiS_SetCRT2ModeRegs(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
            SiS_SetRegANDOR(SiS_Pr->SiS_Part4Port,0x21,0x3f,tempbl);
         } else if(SiS_Pr->SiS_VBType & VB_SIS301) {
            /* Fixes "TV-blue-bug" on 315+301 */
-           SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x2c,0xcf);     /* For 301   */
+           SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x2c,0xcf);      /* For 301   */
            SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x21,0x3f);
-        } else if(SiS_Pr->SiS_VBType & VB_SIS301LV302LV) {
-           SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x2c,0x30);      /* For 30xLV */
-           SiS_SetRegOR(SiS_Pr->SiS_Part4Port,0x21,0xc0);
-        } else if((SiS_Pr->SiS_VBType & VB_NoLCD) && (bridgerev == 0xb0)) {
-           SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x2c,0x30);      /* For 30xB-DH rev b0 (or "DH on 651"?) */
+        } else if(SiS_Pr->SiS_VBType & VB_SISLVDS) {
+           SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x2c,0x30);       /* For 30xLV */
            SiS_SetRegOR(SiS_Pr->SiS_Part4Port,0x21,0xc0);
+        } else if(SiS_Pr->SiS_VBType & VB_NoLCD) {              /* For 301B-DH */
+           tempah = 0x30; tempah2 = 0xc0;
+           tempbl = 0xcf; tempbl2 = 0x3f;
+           if(SiS_Pr->SiS_TVBlue == 0) {
+                 tempah = tempah2 = 0x00;
+           } else if(SiS_Pr->SiS_TVBlue == -1) {
+              /* Set on 651/M650, clear on 315/650 */
+              if(!(IS_SIS65x)) /* (bridgerev != 0xb0) */ {
+                 tempah = tempah2 = 0x00;
+              }
+           }
+           SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x2c,tempbl,tempah);
+           SiS_SetRegANDOR(SiS_Pr->SiS_Part4Port,0x21,tempbl2,tempah2);
         } else {
-           tempah = 0x30; tempah2 = 0xc0;                      /* For 30xB (and 301BDH rev b1) */
+           tempah = 0x30; tempah2 = 0xc0;                      /* For 30xB, 301C */
            tempbl = 0xcf; tempbl2 = 0x3f;
            if(!(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA)) {
               tempah = tempah2 = 0x00;
-              if(SiS_IsDualEdge(SiS_Pr, HwInfo)) {
+              if(SiS_IsDualEdge(SiS_Pr)) {
                  tempbl = tempbl2 = 0xff;
               }
            }
@@ -2676,23 +2713,23 @@ SiS_SetCRT2ModeRegs(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
            SiS_SetRegANDOR(SiS_Pr->SiS_Part4Port,0x23,0x7f,tempah);
         } else {
            tempah = 0x00;
-           tempbl = 0x7f;
-           if(!(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA)) {
-              tempbl = 0xff;
-              if(!(SiS_IsDualEdge(SiS_Pr, HwInfo))) tempah = 0x80;
-           }
-           SiS_SetRegANDOR(SiS_Pr->SiS_Part4Port,0x23,tempbl,tempah);
+           tempbl = 0x7f;
+           if(!(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA)) {
+              tempbl = 0xff;
+              if(!(SiS_IsDualEdge(SiS_Pr))) tempah = 0x80;
+           }
+           SiS_SetRegANDOR(SiS_Pr->SiS_Part4Port,0x23,tempbl,tempah);
         }
 
 #endif /* SIS315H */
 
-     } else if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {
+     } else if(SiS_Pr->SiS_VBType & VB_SIS30xBLV) {
 
 #ifdef SIS300
-        SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x21,0x3f);
+        SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x21,0x3f);
 
-        if((SiS_Pr->SiS_VBInfo & DisableCRT2Display) ||
-           ((SiS_Pr->SiS_VBType & VB_NoLCD) &&
+        if((SiS_Pr->SiS_VBInfo & DisableCRT2Display) ||
+           ((SiS_Pr->SiS_VBType & VB_NoLCD) &&
             (SiS_Pr->SiS_VBInfo & SetCRT2ToLCD))) {
            SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x23,0x7F);
         } else {
@@ -2702,9 +2739,9 @@ SiS_SetCRT2ModeRegs(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 
      }
 
-     if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {
-        SiS_SetRegOR(SiS_Pr->SiS_Part4Port,0x0D,0x80);
-        if(SiS_Pr->SiS_VBType & VB_SIS301C) {
+     if(SiS_Pr->SiS_VBType & VB_SIS30xBLV) {
+        SiS_SetRegOR(SiS_Pr->SiS_Part4Port,0x0D,0x80);
+        if(SiS_Pr->SiS_VBType & VB_SIS30xCLV) {
            SiS_SetRegOR(SiS_Pr->SiS_Part4Port,0x3A,0xC0);
         }
      }
@@ -2712,16 +2749,16 @@ SiS_SetCRT2ModeRegs(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
   } else {  /* LVDS */
 
 #ifdef SIS315H
-     if(HwInfo->jChipType >= SIS_315H) {
+     if(SiS_Pr->ChipType >= SIS_315H) {
 
-        if(SiS_Pr->SiS_IF_DEF_CH70xx != 0) {
+        if(SiS_Pr->SiS_IF_DEF_CH70xx != 0) {
 
-           tempah = 0x04;
+           tempah = 0x04;
            tempbl = 0xfb;
-           if(!(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA)) {
-              tempah = 0x00;
-              if(SiS_IsDualEdge(SiS_Pr, HwInfo)) tempbl = 0xff;
-           }
+           if(!(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA)) {
+              tempah = 0x00;
+              if(SiS_IsDualEdge(SiS_Pr)) tempbl = 0xff;
+           }
            SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x13,tempbl,tempah);
 
            if(SiS_Pr->SiS_VBInfo & DisableCRT2Display) {
@@ -2730,7 +2767,7 @@ SiS_SetCRT2ModeRegs(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 
            SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x2c,0x30);
 
-        } else if(HwInfo->jChipType == SIS_550) {
+        } else if(SiS_Pr->ChipType == SIS_550) {
 
            SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x13,0xfb);
            SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x2c,0x30);
@@ -2748,212 +2785,120 @@ SiS_SetCRT2ModeRegs(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 /*            GET RESOLUTION DATA            */
 /*********************************************/
 
-USHORT
-SiS_GetResInfo(SiS_Private *SiS_Pr,USHORT ModeNo,USHORT ModeIdIndex)
+unsigned short
+SiS_GetResInfo(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex)
 {
-  if(ModeNo <= 0x13) return((USHORT)SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ResInfo);
-  else               return((USHORT)SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_RESINFO);
+   if(ModeNo <= 0x13)
+      return ((unsigned short)SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ResInfo);
+   else
+      return ((unsigned short)SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_RESINFO);
 }
 
 static void
-SiS_GetCRT2ResInfo(SiS_Private *SiS_Pr,USHORT ModeNo,USHORT ModeIdIndex,
-                   PSIS_HW_INFO HwInfo)
+SiS_GetCRT2ResInfo(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex)
 {
-  USHORT xres,yres,modeflag=0,resindex;
+   unsigned short xres, yres, modeflag=0, resindex;
 
-  if(SiS_Pr->UseCustomMode) {
-     xres = SiS_Pr->CHDisplay;
-     if(SiS_Pr->CModeFlag & HalfDCLK) xres *= 2;
-     SiS_Pr->SiS_VGAHDE = SiS_Pr->SiS_HDE = xres;
-     yres = SiS_Pr->CVDisplay;
-     if(SiS_Pr->CModeFlag & DoubleScanMode) yres *= 2;
-     SiS_Pr->SiS_VGAVDE = SiS_Pr->SiS_VDE = yres;
-     return;
-  }
-
-  resindex = SiS_GetResInfo(SiS_Pr,ModeNo,ModeIdIndex);
+   if(SiS_Pr->UseCustomMode) {
+      xres = SiS_Pr->CHDisplay;
+      if(SiS_Pr->CModeFlag & HalfDCLK) xres <<= 1;
+      SiS_Pr->SiS_VGAHDE = SiS_Pr->SiS_HDE = xres;
+      /* DoubleScanMode-check done in CheckCalcCustomMode()! */
+      SiS_Pr->SiS_VGAVDE = SiS_Pr->SiS_VDE = SiS_Pr->CVDisplay;
+      return;
+   }
 
-  if(ModeNo <= 0x13) {
-     xres = SiS_Pr->SiS_StResInfo[resindex].HTotal;
-     yres = SiS_Pr->SiS_StResInfo[resindex].VTotal;
-  } else {
-     xres = SiS_Pr->SiS_ModeResInfo[resindex].HTotal;
-     yres = SiS_Pr->SiS_ModeResInfo[resindex].VTotal;
-     modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag;
-  }
+   resindex = SiS_GetResInfo(SiS_Pr,ModeNo,ModeIdIndex);
 
-  if(!SiS_Pr->SiS_IF_DEF_DSTN && !SiS_Pr->SiS_IF_DEF_FSTN) {
+   if(ModeNo <= 0x13) {
+      xres = SiS_Pr->SiS_StResInfo[resindex].HTotal;
+      yres = SiS_Pr->SiS_StResInfo[resindex].VTotal;
+   } else {
+      xres = SiS_Pr->SiS_ModeResInfo[resindex].HTotal;
+      yres = SiS_Pr->SiS_ModeResInfo[resindex].VTotal;
+      modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag;
+   }
 
-     if((HwInfo->jChipType >= SIS_315H) && (SiS_Pr->SiS_IF_DEF_LVDS == 1)) {
-        if((ModeNo != 0x03) && (SiS_Pr->SiS_SetFlag & SetDOSMode)) {
-           if(yres == 350) yres = 400;
-        }
-        if(SiS_GetReg(SiS_Pr->SiS_P3d4,0x3a) & 0x01) {
-           if(ModeNo == 0x12) yres = 400;
-        }
-     }
+   if(!SiS_Pr->SiS_IF_DEF_DSTN && !SiS_Pr->SiS_IF_DEF_FSTN) {
 
-     if(modeflag & HalfDCLK)       xres *= 2;
-     if(modeflag & DoubleScanMode) yres *= 2;
+      if((SiS_Pr->ChipType >= SIS_315H) && (SiS_Pr->SiS_IF_DEF_LVDS == 1)) {
+         if((ModeNo != 0x03) && (SiS_Pr->SiS_SetFlag & SetDOSMode)) {
+            if(yres == 350) yres = 400;
+         }
+         if(SiS_GetReg(SiS_Pr->SiS_P3d4,0x3a) & 0x01) {
+            if(ModeNo == 0x12) yres = 400;
+         }
+      }
 
-  }
+      if(modeflag & HalfDCLK)       xres <<= 1;
+      if(modeflag & DoubleScanMode) yres <<= 1;
 
-  if((SiS_Pr->SiS_VBType & VB_SISVB) && (!(SiS_Pr->SiS_VBType & VB_NoLCD))) {
+   }
 
-#if 0
-        if(SiS_Pr->SiS_VBInfo & (SetCRT2ToLCDA | SetCRT2ToLCD | SetCRT2ToHiVision)) {
-           if(xres == 720) xres = 640;
-        }
-#endif
+   if((SiS_Pr->SiS_VBType & VB_SISVB) && (!(SiS_Pr->SiS_VBType & VB_NoLCD))) {
 
-        if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {
-           switch(SiS_Pr->SiS_LCDResInfo) {
+      if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {
+         switch(SiS_Pr->SiS_LCDResInfo) {
            case Panel_1024x768:
               if(!(SiS_Pr->SiS_SetFlag & LCDVESATiming)) {
-                 if(!(SiS_Pr->SiS_LCDInfo & DontExpandLCD)) {
-                    if(yres == 350) yres = 357;
-                    if(yres == 400) yres = 420;
-                    if(yres == 480) yres = 525;
-                 }
-              }
+                 if(!(SiS_Pr->SiS_LCDInfo & DontExpandLCD)) {
+                    if(yres == 350) yres = 357;
+                    if(yres == 400) yres = 420;
+                    if(yres == 480) yres = 525;
+                 }
+              }
               break;
            case Panel_1280x1024:
               if(!(SiS_Pr->SiS_LCDInfo & DontExpandLCD)) {
                  /* BIOS bug - does this regardless of scaling */
-                 if(yres == 400) yres = 405;
+                 if(yres == 400) yres = 405;
+              }
+              if(yres == 350) yres = 360;
+              if(SiS_Pr->SiS_SetFlag & LCDVESATiming) {
+                 if(yres == 360) yres = 375;
               }
-              if(yres == 350) yres = 360;
-              if(SiS_Pr->SiS_SetFlag & LCDVESATiming) {
-                 if(yres == 360) yres = 375;
-              }
               break;
            case Panel_1600x1200:
               if(!(SiS_Pr->SiS_SetFlag & LCDVESATiming)) {
-                 if(yres == 1024) yres = 1056;
-              }
+                 if(yres == 1024) yres = 1056;
+              }
               break;
-           }
-        }
+         }
+      }
 
-  } else {
+   } else {
 
-     if(SiS_Pr->SiS_VBType & VB_SISVB) {
-        if(SiS_Pr->SiS_VBInfo & (SetCRT2ToLCD | SetCRT2ToHiVision)) {
-           if(xres == 720) xres = 640;
-        }
-     } else if(xres == 720) xres = 640;
+      if(SiS_Pr->SiS_VBType & VB_SISVB) {
+         if(SiS_Pr->SiS_VBInfo & (SetCRT2ToLCD | SetCRT2ToHiVision)) {
+            if(xres == 720) xres = 640;
+         }
+      } else if(xres == 720) xres = 640;
 
-     if(SiS_Pr->SiS_SetFlag & SetDOSMode) {
-        yres = 400;
-        if(HwInfo->jChipType >= SIS_315H) {
-           if(SiS_GetReg(SiS_Pr->SiS_P3c4,0x17) & 0x80) yres = 480;
-        } else {
-           if(SiS_GetReg(SiS_Pr->SiS_P3c4,0x13) & 0x80) yres = 480;
-        }
-        if(SiS_Pr->SiS_IF_DEF_DSTN || SiS_Pr->SiS_IF_DEF_FSTN)  yres = 480;
-     }
+      if(SiS_Pr->SiS_SetFlag & SetDOSMode) {
+         yres = 400;
+         if(SiS_Pr->ChipType >= SIS_315H) {
+            if(SiS_GetReg(SiS_Pr->SiS_P3c4,0x17) & 0x80) yres = 480;
+         } else {
+            if(SiS_GetReg(SiS_Pr->SiS_P3c4,0x13) & 0x80) yres = 480;
+         }
+         if(SiS_Pr->SiS_IF_DEF_DSTN || SiS_Pr->SiS_IF_DEF_FSTN) yres = 480;
+      }
 
-  }
-  SiS_Pr->SiS_VGAHDE = SiS_Pr->SiS_HDE = xres;
-  SiS_Pr->SiS_VGAVDE = SiS_Pr->SiS_VDE = yres;
+   }
+   SiS_Pr->SiS_VGAHDE = SiS_Pr->SiS_HDE = xres;
+   SiS_Pr->SiS_VGAVDE = SiS_Pr->SiS_VDE = yres;
 }
 
 /*********************************************/
 /*           GET CRT2 TIMING DATA            */
 /*********************************************/
 
-static BOOLEAN
-SiS_GetLVDSCRT1Ptr(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
-                   USHORT RefreshRateTableIndex, USHORT *ResIndex,
-                   USHORT *DisplayType)
- {
-  USHORT modeflag=0;
-
-  if(SiS_Pr->SiS_IF_DEF_LVDS == 1) {
-     if(!(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA)) {
-        if(!(SiS_Pr->SiS_VBInfo & SetInSlaveMode)) return FALSE;
-     }
-  } else if(SiS_Pr->SiS_VBType & VB_SISVB) {
-     if(!(SiS_Pr->SiS_VBInfo & SetInSlaveMode))    return FALSE;
-  } else
-     return FALSE;
-
-  if(ModeNo <= 0x13) {
-     modeflag = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ModeFlag;
-     (*ResIndex) = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_CRT2CRTC;
-  } else {
-     modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag;
-     (*ResIndex) = SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_CRT2CRTC;
-  }
-
-  (*ResIndex) &= 0x3F;
-
-  if((SiS_Pr->SiS_IF_DEF_CH70xx) && (SiS_Pr->SiS_VBInfo & SetCRT2ToTV)) {
-     (*DisplayType) = 18;
-     if(SiS_Pr->SiS_TVMode & TVSetCHOverScan) (*DisplayType)++;
-     if(SiS_Pr->SiS_TVMode & TVSetPAL) {
-        (*DisplayType) += 2;
-        if(SiS_Pr->SiS_ModeType > ModeVGA) {
-           if(SiS_Pr->SiS_CHSOverScan) (*DisplayType) = 99;
-        }
-        if(SiS_Pr->SiS_TVMode & TVSetPALM) {
-           (*DisplayType) = 18;  /* PALM uses NTSC data */
-           if(SiS_Pr->SiS_TVMode & TVSetCHOverScan) (*DisplayType)++;
-        } else if(SiS_Pr->SiS_TVMode & TVSetPALN) {
-           (*DisplayType) = 20;  /* PALN uses PAL data  */
-           if(SiS_Pr->SiS_TVMode & TVSetCHOverScan) (*DisplayType)++;
-        }
-     }
-  } else {
-     switch(SiS_Pr->SiS_LCDResInfo) {
-     case Panel_640x480:   (*DisplayType) = 50; break;
-     case Panel_640x480_2: (*DisplayType) = 52; break;
-     case Panel_640x480_3: (*DisplayType) = 54; break;
-     case Panel_800x600:   (*DisplayType) =  0; break;
-     case Panel_1024x600:  (*DisplayType) = 23; break;
-     case Panel_1024x768:  (*DisplayType) =  4; break;
-     case Panel_1152x768:  (*DisplayType) = 27; break;
-     case Panel_1280x768:  (*DisplayType) = 40; break;
-     case Panel_1280x1024: (*DisplayType) =  8; break;
-     case Panel_1400x1050: (*DisplayType) = 14; break;
-     case Panel_1600x1200: (*DisplayType) = 36; break;
-     default: return FALSE;
-     }
-
-     if(modeflag & HalfDCLK) (*DisplayType)++;
-
-     switch(SiS_Pr->SiS_LCDResInfo) {
-     case Panel_640x480:
-     case Panel_640x480_2:
-     case Panel_640x480_3:
-        break;
-     default:
-        if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) (*DisplayType) += 2;
-     }
-
-     if(SiS_Pr->SiS_LCDInfo & LCDPass11) {
-        (*DisplayType) = 12;
-        if(modeflag & HalfDCLK) (*DisplayType)++;
-     }
-  }
-
-#if 0
-  if(SiS_Pr->SiS_IF_DEF_FSTN) {
-     if(SiS_Pr->SiS_LCDResInfo == SiS_Pr->SiS_Panel320x480){
-        (*DisplayType) = 22;
-     }
-  }
-#endif
-
-  return TRUE;
-}
-
 static void
-SiS_GetCRT2Ptr(SiS_Private *SiS_Pr,USHORT ModeNo,USHORT ModeIdIndex,
-               USHORT RefreshRateTableIndex,USHORT *CRT2Index,USHORT *ResIndex,
-               PSIS_HW_INFO HwInfo)
+SiS_GetCRT2Ptr(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex,
+               unsigned short RefreshRateTableIndex, unsigned short *CRT2Index,
+               unsigned short *ResIndex)
 {
-  USHORT tempbx=0,tempal=0,resinfo=0;
+  unsigned short tempbx=0, tempal=0, resinfo=0;
 
   if(ModeNo <= 0x13) {
      tempal = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_CRT2CRTC;
@@ -2966,18 +2911,20 @@ SiS_GetCRT2Ptr(SiS_Private *SiS_Pr,USHORT ModeNo,USHORT ModeIdIndex,
 
      if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {                            /* LCD */
 
-        tempbx = SiS_Pr->SiS_LCDResInfo;
+        tempbx = SiS_Pr->SiS_LCDResInfo;
         if(!(SiS_Pr->SiS_SetFlag & LCDVESATiming)) tempbx += 32;
 
+        /* patch index */
         if(SiS_Pr->SiS_LCDResInfo == Panel_1680x1050) {
            if     (resinfo == SIS_RI_1280x800)  tempal =  9;
            else if(resinfo == SIS_RI_1400x1050) tempal = 11;
         } else if((SiS_Pr->SiS_LCDResInfo == Panel_1280x800) ||
-                  (SiS_Pr->SiS_LCDResInfo == Panel_1280x800_2)) {
+                  (SiS_Pr->SiS_LCDResInfo == Panel_1280x800_2) ||
+                  (SiS_Pr->SiS_LCDResInfo == Panel_1280x854)) {
            if     (resinfo == SIS_RI_1280x768)  tempal =  9;
         }
 
-        if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) {
+        if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) {
            /* Pass 1:1 only (center-screen handled outside) */
            /* This is never called for the panel's native resolution */
            /* since Pass1:1 will not be set in this case */
@@ -2991,8 +2938,8 @@ SiS_GetCRT2Ptr(SiS_Private *SiS_Pr,USHORT ModeNo,USHORT ModeIdIndex,
         if(SiS_Pr->SiS_CustomT == CUT_COMPAQ1280) {
            if(SiS_Pr->SiS_LCDResInfo == Panel_1280x1024) {
               if(!(SiS_Pr->SiS_LCDInfo & DontExpandLCD)) {
-                 tempbx = 200;
-                 if(!(SiS_Pr->SiS_SetFlag & LCDVESATiming)) tempbx++;
+                 tempbx = 200;
+                 if(!(SiS_Pr->SiS_SetFlag & LCDVESATiming)) tempbx++;
               }
            }
         }
@@ -3000,23 +2947,23 @@ SiS_GetCRT2Ptr(SiS_Private *SiS_Pr,USHORT ModeNo,USHORT ModeIdIndex,
 
      } else {                                                   /* TV */
 
-        if(SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision) {
-           /* if(SiS_Pr->SiS_VGAVDE > 480) SiS_Pr->SiS_TVMode &= (~TVSetTVSimuMode); */
-           tempbx = 2;
-           if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) {
+        if(SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision) {
+           /* if(SiS_Pr->SiS_VGAVDE > 480) SiS_Pr->SiS_TVMode &= (~TVSetTVSimuMode); */
+           tempbx = 2;
+           if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) {
               tempbx = 13;
-              if(!(SiS_Pr->SiS_TVMode & TVSetTVSimuMode)) tempbx = 14;
-           }
+              if(!(SiS_Pr->SiS_TVMode & TVSetTVSimuMode)) tempbx = 14;
+           }
         } else if(SiS_Pr->SiS_VBInfo & SetCRT2ToYPbPr525750) {
-           if(SiS_Pr->SiS_TVMode & TVSetYPbPr750p)      tempbx = 7;
-           else if(SiS_Pr->SiS_TVMode & TVSetYPbPr525p) tempbx = 6;
-           else                                         tempbx = 5;
-           if(SiS_Pr->SiS_TVMode & TVSetTVSimuMode)     tempbx += 5;
-        } else {
-           if(SiS_Pr->SiS_TVMode & TVSetPAL)            tempbx = 3;
-           else                                         tempbx = 4;
-           if(SiS_Pr->SiS_TVMode & TVSetTVSimuMode)     tempbx += 5;
-        }
+           if(SiS_Pr->SiS_TVMode & TVSetYPbPr750p)      tempbx = 7;
+           else if(SiS_Pr->SiS_TVMode & TVSetYPbPr525p) tempbx = 6;
+           else                                         tempbx = 5;
+           if(SiS_Pr->SiS_TVMode & TVSetTVSimuMode)     tempbx += 5;
+        } else {
+           if(SiS_Pr->SiS_TVMode & TVSetPAL)            tempbx = 3;
+           else                                         tempbx = 4;
+           if(SiS_Pr->SiS_TVMode & TVSetTVSimuMode)     tempbx += 5;
+        }
 
      }
 
@@ -3024,26 +2971,34 @@ SiS_GetCRT2Ptr(SiS_Private *SiS_Pr,USHORT ModeNo,USHORT ModeIdIndex,
 
      if(ModeNo > 0x13) {
         if(SiS_Pr->SiS_VBInfo & SetCRT2ToTVNoHiVision) {
-           if(tempal == 6) tempal = 7;
-           if((resinfo == SIS_RI_720x480) ||
-              (resinfo == SIS_RI_720x576) ||
-              (resinfo == SIS_RI_768x576)) {
+           switch(resinfo) {
+           case SIS_RI_720x480:
               tempal = 6;
-              if(SiS_Pr->SiS_TVMode & (TVSetPAL | TVSetPALN)) {
-                 if(resinfo == SIS_RI_720x480) tempal = 9;
+              if(SiS_Pr->SiS_TVMode & (TVSetPAL | TVSetPALN))   tempal = 9;
+              break;
+           case SIS_RI_720x576:
+           case SIS_RI_768x576:
+           case SIS_RI_1024x576: /* Not in NTSC or YPBPR mode (except 1080i)! */
+              tempal = 6;
+              if(SiS_Pr->SiS_VBInfo & SetCRT2ToYPbPr525750) {
+                 if(SiS_Pr->SiS_TVMode & TVSetYPbPr750p)        tempal = 8;
               }
-           }
-           if(SiS_Pr->SiS_VBInfo & SetCRT2ToYPbPr525750) {
-              if(SiS_Pr->SiS_TVMode & TVSetYPbPr525p) {
-                 if(resinfo == SIS_RI_1024x768) tempal = 8;
+              break;
+           case SIS_RI_800x480:
+              tempal = 4;
+              break;
+           case SIS_RI_512x384:
+           case SIS_RI_1024x768:
+              tempal = 7;
+              if(SiS_Pr->SiS_VBInfo & SetCRT2ToYPbPr525750) {
+                 if(SiS_Pr->SiS_TVMode & TVSetYPbPr525p)        tempal = 8;
               }
-              if(SiS_Pr->SiS_TVMode & TVSetYPbPr750p) {
-                 if((resinfo == SIS_RI_720x576) ||
-                    (resinfo == SIS_RI_768x576)) {
-                    tempal = 8;
-                 }
-                 if(resinfo == SIS_RI_1280x720) tempal = 9;
+              break;
+           case SIS_RI_1280x720:
+              if(SiS_Pr->SiS_VBInfo & SetCRT2ToYPbPr525750) {
+                 if(SiS_Pr->SiS_TVMode & TVSetYPbPr750p)        tempal = 9;
               }
+              break;
            }
         }
      }
@@ -3056,65 +3011,60 @@ SiS_GetCRT2Ptr(SiS_Private *SiS_Pr,USHORT ModeNo,USHORT ModeIdIndex,
      tempbx = 0;
      if((SiS_Pr->SiS_IF_DEF_CH70xx) && (SiS_Pr->SiS_VBInfo & SetCRT2ToTV)) {
 
-        tempbx = 10;
-        if(SiS_Pr->SiS_TVMode & TVSetCHOverScan) tempbx += 1;
-        if(SiS_Pr->SiS_TVMode & TVSetPAL) {
-           tempbx += 2;
+        tempbx = 90;
+        if(SiS_Pr->SiS_TVMode & TVSetPAL) {
+           tempbx = 92;
            if(SiS_Pr->SiS_ModeType > ModeVGA) {
               if(SiS_Pr->SiS_CHSOverScan) tempbx = 99;
            }
-           if(SiS_Pr->SiS_TVMode & TVSetPALM) {
-              tempbx = 90;
-              if(SiS_Pr->SiS_TVMode & TVSetCHOverScan) tempbx += 1;
-           } else if(SiS_Pr->SiS_TVMode & TVSetPALN) {
-              tempbx = 92;
-              if(SiS_Pr->SiS_TVMode & TVSetCHOverScan) tempbx += 1;
-           }
-        }
+           if(SiS_Pr->SiS_TVMode & TVSetPALM)      tempbx = 94;
+           else if(SiS_Pr->SiS_TVMode & TVSetPALN) tempbx = 96;
+        }
+        if(tempbx != 99) {
+           if(SiS_Pr->SiS_TVMode & TVSetCHOverScan) tempbx++;
+        }
 
      } else {
 
-        switch(SiS_Pr->SiS_LCDResInfo) {
-        case Panel_640x480:   tempbx = 6;  break;
-        case Panel_640x480_2:
-        case Panel_640x480_3: tempbx = 30; break;
-        case Panel_800x600:   tempbx = 0;  break;
-        case Panel_1024x600:  tempbx = 15; break;
-        case Panel_1024x768:  tempbx = 2;  break;
-        case Panel_1152x768:  tempbx = 17; break;
-        case Panel_1280x768:  tempbx = 18; break;
-        case Panel_1280x1024: tempbx = 4;  break;
-        case Panel_1400x1050: tempbx = 8;  break;
-        case Panel_1600x1200: tempbx = 21; break;
+        switch(SiS_Pr->SiS_LCDResInfo) {
+        case Panel_640x480:   tempbx = 12; break;
+        case Panel_320x240_1: tempbx = 10; break;
+        case Panel_320x240_2:
+        case Panel_320x240_3: tempbx = 14; break;
+        case Panel_800x600:   tempbx = 16; break;
+        case Panel_1024x600:  tempbx = 18; break;
+        case Panel_1152x768:
+        case Panel_1024x768:  tempbx = 20; break;
+        case Panel_1280x768:  tempbx = 22; break;
+        case Panel_1280x1024: tempbx = 24; break;
+        case Panel_1400x1050: tempbx = 26; break;
+        case Panel_1600x1200: tempbx = 28; break;
+#ifdef SIS300
         case Panel_Barco1366: tempbx = 80; break;
+#endif
         }
 
         switch(SiS_Pr->SiS_LCDResInfo) {
+        case Panel_320x240_1:
+        case Panel_320x240_2:
+        case Panel_320x240_3:
         case Panel_640x480:
-        case Panel_640x480_2:
-        case Panel_640x480_3:
            break;
         default:
            if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) tempbx++;
         }
 
-        if(SiS_Pr->SiS_LCDInfo & LCDPass11) tempbx = 7;
+        if(SiS_Pr->SiS_LCDInfo & LCDPass11) tempbx = 30;
 
+#ifdef SIS300
         if(SiS_Pr->SiS_CustomT == CUT_BARCO1024) {
            tempbx = 82;
            if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) tempbx++;
-        } else if(SiS_Pr->SiS_CustomT == CUT_PANEL848) {
+        } else if(SiS_Pr->SiS_CustomT == CUT_PANEL848 || SiS_Pr->SiS_CustomT == CUT_PANEL856) {
            tempbx = 84;
            if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) tempbx++;
         }
-
-        if((SiS_Pr->SiS_CustomT != CUT_BARCO1366) &&
-           (SiS_Pr->SiS_CustomT != CUT_PANEL848)) {
-           if((SiS_Pr->SiS_LCDInfo & DontExpandLCD) &&
-              (!(SiS_Pr->SiS_LCDInfo & LCDPass11))) {
-              tempal = 0;
-           }
-        }
+#endif
 
      }
 
@@ -3124,12 +3074,11 @@ SiS_GetCRT2Ptr(SiS_Private *SiS_Pr,USHORT ModeNo,USHORT ModeIdIndex,
 }
 
 static void
-SiS_GetRAMDAC2DATA(SiS_Private *SiS_Pr,USHORT ModeNo,USHORT ModeIdIndex,
-                   USHORT RefreshRateTableIndex,PSIS_HW_INFO HwInfo)
+SiS_GetRAMDAC2DATA(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex,
+                unsigned short RefreshRateTableIndex)
 {
-  USHORT tempax=0,tempbx=0;
-  USHORT temp1=0,modeflag=0,tempcx=0;
-  USHORT index;
+  unsigned short tempax=0, tempbx=0, index, dotclock;
+  unsigned short temp1=0, modeflag=0, tempcx=0;
 
   SiS_Pr->SiS_RVBHCMAX  = 1;
   SiS_Pr->SiS_RVBHCFACT = 1;
@@ -3143,10 +3092,12 @@ SiS_GetRAMDAC2DATA(SiS_Private *SiS_Pr,USHORT ModeNo,USHORT ModeIdIndex,
      tempbx = SiS_Pr->SiS_StandTable[index].CRTC[6];
      temp1 = SiS_Pr->SiS_StandTable[index].CRTC[7];
 
+     dotclock = (modeflag & Charx8Dot) ? 8 : 9;
+
   } else {
 
      modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag;
-     index = SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_CRT1CRTC;
+     index = SiS_GetRefCRT1CRTC(SiS_Pr, RefreshRateTableIndex, SiS_Pr->SiS_UseWideCRT2);
 
      tempax = SiS_Pr->SiS_CRT1Table[index].CR[0];
      tempax |= (SiS_Pr->SiS_CRT1Table[index].CR[14] << 8);
@@ -3158,22 +3109,16 @@ SiS_GetRAMDAC2DATA(SiS_Private *SiS_Pr,USHORT ModeNo,USHORT ModeIdIndex,
      tempbx |= tempcx;
      temp1  = SiS_Pr->SiS_CRT1Table[index].CR[7];
 
+     dotclock = 8;
+
   }
 
   if(temp1 & 0x01) tempbx |= 0x0100;
   if(temp1 & 0x20) tempbx |= 0x0200;
 
   tempax += 5;
-
-  /* Charx8Dot is no more used (and assumed), so we set it */
-  if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {
-     modeflag |= Charx8Dot;
-  }
-
-  if(modeflag & Charx8Dot) tempax *= 8;
-  else                     tempax *= 9;
-
-  if(modeflag & HalfDCLK)  tempax <<= 1;
+  tempax *= dotclock;
+  if(modeflag & HalfDCLK) tempax <<= 1;
 
   tempbx++;
 
@@ -3182,13 +3127,56 @@ SiS_GetRAMDAC2DATA(SiS_Private *SiS_Pr,USHORT ModeNo,USHORT ModeIdIndex,
 }
 
 static void
-SiS_GetCRT2DataLVDS(SiS_Private *SiS_Pr,USHORT ModeNo,USHORT ModeIdIndex,
-                    USHORT RefreshRateTableIndex, PSIS_HW_INFO HwInfo)
+SiS_CalcPanelLinkTiming(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
+                unsigned short ModeIdIndex, unsigned short RefreshRateTableIndex)
+{
+   unsigned short ResIndex;
+
+   if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) {
+      if(SiS_Pr->SiS_LCDInfo & LCDPass11) {
+         if(SiS_Pr->UseCustomMode) {
+            ResIndex = SiS_Pr->CHTotal;
+            if(SiS_Pr->CModeFlag & HalfDCLK) ResIndex <<= 1;
+            SiS_Pr->SiS_VGAHT = SiS_Pr->SiS_HT = ResIndex;
+            SiS_Pr->SiS_VGAVT = SiS_Pr->SiS_VT = SiS_Pr->CVTotal;
+         } else {
+            if(ModeNo < 0x13) {
+               ResIndex = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_CRT2CRTC;
+            } else {
+               ResIndex = SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_CRT2CRTC_NS;
+            }
+            if(ResIndex == 0x09) {
+               if(SiS_Pr->Alternate1600x1200)        ResIndex = 0x20; /* 1600x1200 LCDA */
+               else if(SiS_Pr->SiS_IF_DEF_LVDS == 1) ResIndex = 0x21; /* 1600x1200 LVDS */
+            }
+            SiS_Pr->SiS_VGAHT = SiS_Pr->SiS_NoScaleData[ResIndex].VGAHT;
+            SiS_Pr->SiS_VGAVT = SiS_Pr->SiS_NoScaleData[ResIndex].VGAVT;
+            SiS_Pr->SiS_HT    = SiS_Pr->SiS_NoScaleData[ResIndex].LCDHT;
+            SiS_Pr->SiS_VT    = SiS_Pr->SiS_NoScaleData[ResIndex].LCDVT;
+         }
+      } else {
+         SiS_Pr->SiS_VGAHT = SiS_Pr->SiS_HT = SiS_Pr->PanelHT;
+         SiS_Pr->SiS_VGAVT = SiS_Pr->SiS_VT = SiS_Pr->PanelVT;
+      }
+   } else {
+      /* This handles custom modes and custom panels */
+      SiS_Pr->SiS_HDE = SiS_Pr->PanelXRes;
+      SiS_Pr->SiS_VDE = SiS_Pr->PanelYRes;
+      SiS_Pr->SiS_HT  = SiS_Pr->PanelHT;
+      SiS_Pr->SiS_VT  = SiS_Pr->PanelVT;
+      SiS_Pr->SiS_VGAHT = SiS_Pr->PanelHT - (SiS_Pr->PanelXRes - SiS_Pr->SiS_VGAHDE);
+      SiS_Pr->SiS_VGAVT = SiS_Pr->PanelVT - (SiS_Pr->PanelYRes - SiS_Pr->SiS_VGAVDE);
+   }
+}
+
+static void
+SiS_GetCRT2DataLVDS(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex,
+                    unsigned short RefreshRateTableIndex)
 {
-   USHORT CRT2Index, ResIndex;
-   const SiS_LVDSDataStruct *LVDSData = NULL;
+   unsigned short CRT2Index, ResIndex, backup;
+   const struct SiS_LVDSData *LVDSData = NULL;
 
-   SiS_GetCRT2ResInfo(SiS_Pr, ModeNo, ModeIdIndex, HwInfo);
+   SiS_GetCRT2ResInfo(SiS_Pr, ModeNo, ModeIdIndex);
 
    if(SiS_Pr->SiS_VBType & VB_SISVB) {
       SiS_Pr->SiS_RVBHCMAX  = 1;
@@ -3199,133 +3187,94 @@ SiS_GetCRT2DataLVDS(SiS_Private *SiS_Pr,USHORT ModeNo,USHORT ModeIdIndex,
       SiS_Pr->SiS_RY2COE = 0;
       SiS_Pr->SiS_RY3COE = 0;
       SiS_Pr->SiS_RY4COE = 0;
+      SiS_Pr->SiS_RVBHRS2 = 0;
    }
 
    if((SiS_Pr->SiS_VBType & VB_SISVB) && (SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA)) {
 
 #ifdef SIS315H
-      if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) {
-         if(SiS_Pr->SiS_LCDInfo & LCDPass11) {
-            if(SiS_Pr->UseCustomMode) {
-               SiS_Pr->SiS_VGAHT = SiS_Pr->SiS_HT = SiS_Pr->CHTotal;
-               SiS_Pr->SiS_VGAVT = SiS_Pr->SiS_VT = SiS_Pr->CVTotal;
-            } else {
-               if(ModeNo < 0x13) {
-                  ResIndex = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_CRT2CRTC;
-               } else {
-                  ResIndex = SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_CRT2CRTC_NS;
-               }
-               SiS_Pr->SiS_VGAHT = SiS_Pr->SiS_NoScaleData[ResIndex].VGAHT;
-               SiS_Pr->SiS_VGAVT = SiS_Pr->SiS_NoScaleData[ResIndex].VGAVT;
-               SiS_Pr->SiS_HT    = SiS_Pr->SiS_NoScaleData[ResIndex].LCDHT;
-               SiS_Pr->SiS_VT    = SiS_Pr->SiS_NoScaleData[ResIndex].LCDVT;
-            }
-         } else {
-            SiS_Pr->SiS_VGAHT = SiS_Pr->SiS_HT = SiS_Pr->PanelHT;
-            SiS_Pr->SiS_VGAVT = SiS_Pr->SiS_VT = SiS_Pr->PanelVT;
-         }
-      } else {
-         /* This handles custom modes and custom panels */
-         SiS_Pr->SiS_HDE = SiS_Pr->PanelXRes;
-         SiS_Pr->SiS_VDE = SiS_Pr->PanelYRes;
-         SiS_Pr->SiS_HT  = SiS_Pr->PanelHT;
-         SiS_Pr->SiS_VT  = SiS_Pr->PanelVT;
-         SiS_Pr->SiS_VGAHT = SiS_Pr->PanelHT - (SiS_Pr->PanelXRes - SiS_Pr->SiS_VGAHDE);
-         SiS_Pr->SiS_VGAVT = SiS_Pr->PanelVT - (SiS_Pr->PanelYRes - SiS_Pr->SiS_VGAVDE);
-      }
-
-      SiS_CalcLCDACRT1Timing(SiS_Pr,ModeNo,ModeIdIndex);
-
+      SiS_CalcPanelLinkTiming(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex);
+      SiS_CalcLCDACRT1Timing(SiS_Pr, ModeNo, ModeIdIndex);
 #endif
 
    } else {
 
       /* 301BDH needs LVDS Data */
+      backup = SiS_Pr->SiS_IF_DEF_LVDS;
       if((SiS_Pr->SiS_VBType & VB_NoLCD) && (SiS_Pr->SiS_VBInfo & SetCRT2ToLCD)) {
          SiS_Pr->SiS_IF_DEF_LVDS = 1;
       }
 
       SiS_GetCRT2Ptr(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex,
-                                &CRT2Index, &ResIndex, HwInfo);
+                                            &CRT2Index, &ResIndex);
 
-      /* 301BDH needs LVDS Data */
-      if((SiS_Pr->SiS_VBType & VB_NoLCD) && (SiS_Pr->SiS_VBInfo & SetCRT2ToLCD)) {
-         SiS_Pr->SiS_IF_DEF_LVDS = 0;
-      }
+      SiS_Pr->SiS_IF_DEF_LVDS = backup;
 
-      switch (CRT2Index) {
-         case  0: LVDSData = SiS_Pr->SiS_LVDS800x600Data_1;    break;
-         case  1: LVDSData = SiS_Pr->SiS_LVDS800x600Data_2;    break;
-         case  2: LVDSData = SiS_Pr->SiS_LVDS1024x768Data_1;   break;
-         case  3: LVDSData = SiS_Pr->SiS_LVDS1024x768Data_2;   break;
-         case  4: LVDSData = SiS_Pr->SiS_LVDS1280x1024Data_1;  break;
-         case  5: LVDSData = SiS_Pr->SiS_LVDS1280x1024Data_2;  break;
-         case  6: LVDSData = SiS_Pr->SiS_LVDS640x480Data_1;    break;
-         case  7: LVDSData = SiS_Pr->SiS_LVDSXXXxXXXData_1;    break;
-         case  8: LVDSData = SiS_Pr->SiS_LVDS1400x1050Data_1;  break;
-         case  9: LVDSData = SiS_Pr->SiS_LVDS1400x1050Data_2;  break;
-         case 10: LVDSData = SiS_Pr->SiS_CHTVUNTSCData;        break;
-         case 11: LVDSData = SiS_Pr->SiS_CHTVONTSCData;        break;
-         case 12: LVDSData = SiS_Pr->SiS_CHTVUPALData;         break;
-         case 13: LVDSData = SiS_Pr->SiS_CHTVOPALData;         break;
-         case 14: LVDSData = SiS_Pr->SiS_LVDS320x480Data_1;    break;
-         case 15: LVDSData = SiS_Pr->SiS_LVDS1024x600Data_1;   break;
-         case 16: LVDSData = SiS_Pr->SiS_LVDS1024x600Data_2;   break;
-         case 17: LVDSData = SiS_Pr->SiS_LVDS1152x768Data_1;   break;
-         case 18: LVDSData = SiS_Pr->SiS_LVDS1152x768Data_2;   break;
-         case 19: LVDSData = SiS_Pr->SiS_LVDS1280x768Data_1;   break;
-         case 20: LVDSData = SiS_Pr->SiS_LVDS1280x768Data_2;   break;
-         case 21: LVDSData = SiS_Pr->SiS_LVDS1600x1200Data_1;  break;
-         case 22: LVDSData = SiS_Pr->SiS_LVDS1600x1200Data_2;  break;
-         case 30: LVDSData = SiS_Pr->SiS_LVDS640x480Data_2;    break;
+      switch(CRT2Index) {
+         case 10: LVDSData = SiS_Pr->SiS_LVDS320x240Data_1;    break;
+         case 14: LVDSData = SiS_Pr->SiS_LVDS320x240Data_2;    break;
+         case 12: LVDSData = SiS_Pr->SiS_LVDS640x480Data_1;    break;
+         case 16: LVDSData = SiS_Pr->SiS_LVDS800x600Data_1;    break;
+         case 18: LVDSData = SiS_Pr->SiS_LVDS1024x600Data_1;   break;
+         case 20: LVDSData = SiS_Pr->SiS_LVDS1024x768Data_1;   break;
+#ifdef SIS300
          case 80: LVDSData = SiS_Pr->SiS_LVDSBARCO1366Data_1;  break;
          case 81: LVDSData = SiS_Pr->SiS_LVDSBARCO1366Data_2;  break;
          case 82: LVDSData = SiS_Pr->SiS_LVDSBARCO1024Data_1;  break;
-         case 83: LVDSData = SiS_Pr->SiS_LVDSBARCO1024Data_2;  break;
          case 84: LVDSData = SiS_Pr->SiS_LVDS848x480Data_1;    break;
          case 85: LVDSData = SiS_Pr->SiS_LVDS848x480Data_2;    break;
-         case 90: LVDSData = SiS_Pr->SiS_CHTVUPALMData;        break;
-         case 91: LVDSData = SiS_Pr->SiS_CHTVOPALMData;        break;
-         case 92: LVDSData = SiS_Pr->SiS_CHTVUPALNData;        break;
-         case 93: LVDSData = SiS_Pr->SiS_CHTVOPALNData;        break;
-         case 99: LVDSData = SiS_Pr->SiS_CHTVSOPALData;        break;  /* Super Overscan */
-         default: LVDSData = SiS_Pr->SiS_LVDS1024x768Data_1;   break;
+#endif
+         case 90: LVDSData = SiS_Pr->SiS_CHTVUNTSCData;        break;
+         case 91: LVDSData = SiS_Pr->SiS_CHTVONTSCData;        break;
+         case 92: LVDSData = SiS_Pr->SiS_CHTVUPALData;         break;
+         case 93: LVDSData = SiS_Pr->SiS_CHTVOPALData;         break;
+         case 94: LVDSData = SiS_Pr->SiS_CHTVUPALMData;        break;
+         case 95: LVDSData = SiS_Pr->SiS_CHTVOPALMData;        break;
+         case 96: LVDSData = SiS_Pr->SiS_CHTVUPALNData;        break;
+         case 97: LVDSData = SiS_Pr->SiS_CHTVOPALNData;        break;
+         case 99: LVDSData = SiS_Pr->SiS_CHTVSOPALData;        break;
       }
 
-      SiS_Pr->SiS_VGAHT = (LVDSData+ResIndex)->VGAHT;
-      SiS_Pr->SiS_VGAVT = (LVDSData+ResIndex)->VGAVT;
-      SiS_Pr->SiS_HT    = (LVDSData+ResIndex)->LCDHT;
-      SiS_Pr->SiS_VT    = (LVDSData+ResIndex)->LCDVT;
-
-      if(!(SiS_Pr->SiS_VBType & VB_SISVB)) {
-         if((SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) && (!(SiS_Pr->SiS_LCDInfo & LCDPass11))) {
-            if((!(SiS_Pr->SiS_LCDInfo & DontExpandLCD)) || (SiS_Pr->SiS_SetFlag & SetDOSMode)) {
-               SiS_Pr->SiS_HDE = SiS_Pr->PanelXRes;
-               SiS_Pr->SiS_VDE = SiS_Pr->PanelYRes;
-               if(SiS_Pr->SiS_CustomT == CUT_BARCO1366) {
-                  if(ResIndex < 0x08) {
-                     SiS_Pr->SiS_HDE = 1280;
-                     SiS_Pr->SiS_VDE = 1024;
-                  }
-               }
-            }
+      if(LVDSData) {
+         SiS_Pr->SiS_VGAHT = (LVDSData+ResIndex)->VGAHT;
+         SiS_Pr->SiS_VGAVT = (LVDSData+ResIndex)->VGAVT;
+         SiS_Pr->SiS_HT    = (LVDSData+ResIndex)->LCDHT;
+         SiS_Pr->SiS_VT    = (LVDSData+ResIndex)->LCDVT;
+      } else {
+         SiS_CalcPanelLinkTiming(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex);
+      }
+
+      if( (!(SiS_Pr->SiS_VBType & VB_SISVB)) &&
+          (SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) &&
+          (!(SiS_Pr->SiS_LCDInfo & LCDPass11)) ) {
+         if( (!(SiS_Pr->SiS_LCDInfo & DontExpandLCD)) ||
+             (SiS_Pr->SiS_SetFlag & SetDOSMode) ) {
+            SiS_Pr->SiS_HDE = SiS_Pr->PanelXRes;
+            SiS_Pr->SiS_VDE = SiS_Pr->PanelYRes;
+#ifdef SIS300
+            if(SiS_Pr->SiS_CustomT == CUT_BARCO1366) {
+               if(ResIndex < 0x08) {
+                  SiS_Pr->SiS_HDE = 1280;
+                  SiS_Pr->SiS_VDE = 1024;
+               }
+            }
+#endif
          }
       }
    }
 }
 
 static void
-SiS_GetCRT2Data301(SiS_Private *SiS_Pr,USHORT ModeNo,USHORT ModeIdIndex,
-                   USHORT RefreshRateTableIndex,
-                   PSIS_HW_INFO HwInfo)
-{
-  UCHAR  *ROMAddr = NULL;
-  USHORT tempax,tempbx,modeflag,romptr=0;
-  USHORT resinfo,CRT2Index,ResIndex;
-  const SiS_LCDDataStruct *LCDPtr = NULL;
-  const SiS_TVDataStruct  *TVPtr  = NULL;
+SiS_GetCRT2Data301(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex,
+                unsigned short RefreshRateTableIndex)
+{
+  unsigned char  *ROMAddr = NULL;
+  unsigned short tempax, tempbx, modeflag, romptr=0;
+  unsigned short resinfo, CRT2Index, ResIndex;
+  const struct SiS_LCDData *LCDPtr = NULL;
+  const struct SiS_TVData  *TVPtr  = NULL;
 #ifdef SIS315H
-  SHORT  resinfo661;
+  short resinfo661;
 #endif
 
   if(ModeNo <= 0x13) {
@@ -3340,67 +3289,69 @@ SiS_GetCRT2Data301(SiS_Private *SiS_Pr,USHORT ModeNo,USHORT ModeIdIndex,
 #ifdef SIS315H
      resinfo661 = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].ROMMODEIDX661;
      if( (SiS_Pr->SiS_VBInfo & SetCRT2ToLCD)   &&
-         (SiS_Pr->SiS_SetFlag & LCDVESATiming) &&
-         (resinfo661 >= 0)                     &&
+         (SiS_Pr->SiS_SetFlag & LCDVESATiming) &&
+         (resinfo661 >= 0)                     &&
          (SiS_Pr->SiS_NeedRomModeData) ) {
-        if((ROMAddr = GetLCDStructPtr661(SiS_Pr, HwInfo))) {
+        if((ROMAddr = GetLCDStructPtr661(SiS_Pr))) {
            if((romptr = (SISGETROMW(21)))) {
-              romptr += (resinfo661 * 10);
-              ROMAddr = HwInfo->pjVirtualRomBase;
+              romptr += (resinfo661 * 10);
+              ROMAddr = SiS_Pr->VirtualRomBase;
            }
         }
      }
 #endif
   }
-  
+
   SiS_Pr->SiS_NewFlickerMode = 0;
   SiS_Pr->SiS_RVBHRS = 50;
   SiS_Pr->SiS_RY1COE = 0;
   SiS_Pr->SiS_RY2COE = 0;
   SiS_Pr->SiS_RY3COE = 0;
   SiS_Pr->SiS_RY4COE = 0;
+  SiS_Pr->SiS_RVBHRS2 = 0;
 
-  SiS_GetCRT2ResInfo(SiS_Pr,ModeNo,ModeIdIndex,HwInfo);
+  SiS_GetCRT2ResInfo(SiS_Pr,ModeNo,ModeIdIndex);
 
-  if(SiS_Pr->SiS_VBInfo & SetCRT2ToRAMDAC){
+  if(SiS_Pr->SiS_VBInfo & SetCRT2ToRAMDAC) {
 
      if(SiS_Pr->UseCustomMode) {
 
-        SiS_Pr->SiS_RVBHCMAX  = 1;
-        SiS_Pr->SiS_RVBHCFACT = 1;
-        SiS_Pr->SiS_VGAHT     = SiS_Pr->CHTotal;
-        SiS_Pr->SiS_VGAVT     = SiS_Pr->CVTotal;
-        SiS_Pr->SiS_HT        = SiS_Pr->CHTotal;
-        SiS_Pr->SiS_VT        = SiS_Pr->CVTotal;
+        SiS_Pr->SiS_RVBHCMAX  = 1;
+        SiS_Pr->SiS_RVBHCFACT = 1;
         SiS_Pr->SiS_HDE       = SiS_Pr->SiS_VGAHDE;
-        SiS_Pr->SiS_VDE       = SiS_Pr->SiS_VGAVDE;
+        SiS_Pr->SiS_VDE       = SiS_Pr->SiS_VGAVDE;
+
+        tempax = SiS_Pr->CHTotal;
+        if(modeflag & HalfDCLK) tempax <<= 1;
+        SiS_Pr->SiS_VGAHT = SiS_Pr->SiS_HT = tempax;
+        SiS_Pr->SiS_VGAVT = SiS_Pr->SiS_VT = SiS_Pr->CVTotal;
 
      } else {
 
-        SiS_GetRAMDAC2DATA(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex, HwInfo);
+        SiS_GetRAMDAC2DATA(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex);
 
      }
 
   } else if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
 
      SiS_GetCRT2Ptr(SiS_Pr,ModeNo,ModeIdIndex,RefreshRateTableIndex,
-                    &CRT2Index,&ResIndex,HwInfo);
+                    &CRT2Index,&ResIndex);
 
      switch(CRT2Index) {
-        case  2: TVPtr = SiS_Pr->SiS_ExtHiTVData;   break;
-        case  3: TVPtr = SiS_Pr->SiS_ExtPALData;    break;
-        case  4: TVPtr = SiS_Pr->SiS_ExtNTSCData;   break;
-        case  5: TVPtr = SiS_Pr->SiS_Ext525iData;   break;
-        case  6: TVPtr = SiS_Pr->SiS_Ext525pData;   break;
-        case  7: TVPtr = SiS_Pr->SiS_Ext750pData;   break;
-        case  8: TVPtr = SiS_Pr->SiS_StPALData;     break;
-        case  9: TVPtr = SiS_Pr->SiS_StNTSCData;    break;
-        case 10: TVPtr = SiS_Pr->SiS_St525iData;    break;
-        case 11: TVPtr = SiS_Pr->SiS_St525pData;    break;
-        case 12: TVPtr = SiS_Pr->SiS_St750pData;    break;
-        case 13: TVPtr = SiS_Pr->SiS_St1HiTVData;   break;
-        case 14: TVPtr = SiS_Pr->SiS_St2HiTVData;   break;
-        default: TVPtr = SiS_Pr->SiS_StPALData;     break;
+        case  2: TVPtr = SiS_Pr->SiS_ExtHiTVData;   break;
+        case  3: TVPtr = SiS_Pr->SiS_ExtPALData;    break;
+        case  4: TVPtr = SiS_Pr->SiS_ExtNTSCData;   break;
+        case  5: TVPtr = SiS_Pr->SiS_Ext525iData;   break;
+        case  6: TVPtr = SiS_Pr->SiS_Ext525pData;   break;
+        case  7: TVPtr = SiS_Pr->SiS_Ext750pData;   break;
+        case  8: TVPtr = SiS_Pr->SiS_StPALData;     break;
+        case  9: TVPtr = SiS_Pr->SiS_StNTSCData;    break;
+        case 10: TVPtr = SiS_Pr->SiS_St525iData;    break;
+        case 11: TVPtr = SiS_Pr->SiS_St525pData;    break;
+        case 12: TVPtr = SiS_Pr->SiS_St750pData;    break;
+        case 13: TVPtr = SiS_Pr->SiS_St1HiTVData;   break;
+        case 14: TVPtr = SiS_Pr->SiS_St2HiTVData;   break;
+        default: TVPtr = SiS_Pr->SiS_StPALData;     break;
      }
 
      SiS_Pr->SiS_RVBHCMAX  = (TVPtr+ResIndex)->RVBHCMAX;
@@ -3409,73 +3360,77 @@ SiS_GetCRT2Data301(SiS_Private *SiS_Pr,USHORT ModeNo,USHORT ModeIdIndex,
      SiS_Pr->SiS_VGAVT     = (TVPtr+ResIndex)->VGAVT;
      SiS_Pr->SiS_HDE       = (TVPtr+ResIndex)->TVHDE;
      SiS_Pr->SiS_VDE       = (TVPtr+ResIndex)->TVVDE;
-     SiS_Pr->SiS_RVBHRS    = (TVPtr+ResIndex)->RVBHRS;
-     SiS_Pr->SiS_NewFlickerMode = (TVPtr+ResIndex)->FlickerMode;
+     SiS_Pr->SiS_RVBHRS2   = (TVPtr+ResIndex)->RVBHRS2 & 0x0fff;
      if(modeflag & HalfDCLK) {
-        SiS_Pr->SiS_RVBHRS = (TVPtr+ResIndex)->HALFRVBHRS;
+        SiS_Pr->SiS_RVBHRS = (TVPtr+ResIndex)->HALFRVBHRS;
+        if(SiS_Pr->SiS_RVBHRS2) {
+           SiS_Pr->SiS_RVBHRS2 = ((SiS_Pr->SiS_RVBHRS2 + 3) >> 1) - 3;
+           tempax = ((TVPtr+ResIndex)->RVBHRS2 >> 12) & 0x07;
+           if((TVPtr+ResIndex)->RVBHRS2 & 0x8000) SiS_Pr->SiS_RVBHRS2 -= tempax;
+           else                                   SiS_Pr->SiS_RVBHRS2 += tempax;
+        }
+     } else {
+        SiS_Pr->SiS_RVBHRS    = (TVPtr+ResIndex)->RVBHRS;
      }
+     SiS_Pr->SiS_NewFlickerMode = ((TVPtr+ResIndex)->FlickerMode) << 7;
 
      if(SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision) {
 
-        if((resinfo == SIS_RI_1024x768)  ||
-           (resinfo == SIS_RI_1280x1024) ||
-           (resinfo == SIS_RI_1280x720)) {
+        if((resinfo == SIS_RI_960x600)   ||
+           (resinfo == SIS_RI_1024x768)  ||
+           (resinfo == SIS_RI_1280x1024) ||
+           (resinfo == SIS_RI_1280x720)) {
            SiS_Pr->SiS_NewFlickerMode = 0x40;
         }
 
-        if(SiS_Pr->SiS_VGAVDE == 350) SiS_Pr->SiS_TVMode |= TVSetTVSimuMode;
+        if(SiS_Pr->SiS_VGAVDE == 350) SiS_Pr->SiS_TVMode |= TVSetTVSimuMode;
 
-        SiS_Pr->SiS_HT = ExtHiTVHT;
-        SiS_Pr->SiS_VT = ExtHiTVVT;
-        if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) {
-           if(SiS_Pr->SiS_TVMode & TVSetTVSimuMode) {
-              SiS_Pr->SiS_HT = StHiTVHT;
-              SiS_Pr->SiS_VT = StHiTVVT;
-#if 0
-              if(!(modeflag & Charx8Dot)) {
-                 SiS_Pr->SiS_HT = StHiTextTVHT;
-                 SiS_Pr->SiS_VT = StHiTextTVVT;
-              }
-#endif
-           }
-        }
+        SiS_Pr->SiS_HT = ExtHiTVHT;
+        SiS_Pr->SiS_VT = ExtHiTVVT;
+        if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) {
+           if(SiS_Pr->SiS_TVMode & TVSetTVSimuMode) {
+              SiS_Pr->SiS_HT = StHiTVHT;
+              SiS_Pr->SiS_VT = StHiTVVT;
+           }
+        }
 
      } else if(SiS_Pr->SiS_VBInfo & SetCRT2ToYPbPr525750) {
 
-        if(SiS_Pr->SiS_TVMode & TVSetYPbPr750p) {
-           SiS_Pr->SiS_HT = 1650;
-           SiS_Pr->SiS_VT = 750;
+        if(SiS_Pr->SiS_TVMode & TVSetYPbPr750p) {
+           SiS_Pr->SiS_HT = 1650;
+           SiS_Pr->SiS_VT = 750;
         } else if(SiS_Pr->SiS_TVMode & TVSetYPbPr525p) {
            SiS_Pr->SiS_HT = NTSCHT;
+           if(SiS_Pr->SiS_TVMode & TVSet525p1024) SiS_Pr->SiS_HT = NTSC2HT;
            SiS_Pr->SiS_VT = NTSCVT;
-        } else {
-           SiS_Pr->SiS_HT = NTSCHT;
+        } else {
+           SiS_Pr->SiS_HT = NTSCHT;
            if(SiS_Pr->SiS_TVMode & TVSetNTSC1024) SiS_Pr->SiS_HT = NTSC2HT;
-           SiS_Pr->SiS_VT = NTSCVT;
-        }
+           SiS_Pr->SiS_VT = NTSCVT;
+        }
 
      } else {
 
-        SiS_Pr->SiS_RY1COE = (TVPtr+ResIndex)->RY1COE;
-        SiS_Pr->SiS_RY2COE = (TVPtr+ResIndex)->RY2COE;
-        SiS_Pr->SiS_RY3COE = (TVPtr+ResIndex)->RY3COE;
-        SiS_Pr->SiS_RY4COE = (TVPtr+ResIndex)->RY4COE;
+        SiS_Pr->SiS_RY1COE = (TVPtr+ResIndex)->RY1COE;
+        SiS_Pr->SiS_RY2COE = (TVPtr+ResIndex)->RY2COE;
+        SiS_Pr->SiS_RY3COE = (TVPtr+ResIndex)->RY3COE;
+        SiS_Pr->SiS_RY4COE = (TVPtr+ResIndex)->RY4COE;
 
-        if(modeflag & HalfDCLK) {
-           SiS_Pr->SiS_RY1COE = 0x00;
-           SiS_Pr->SiS_RY2COE = 0xf4;
-           SiS_Pr->SiS_RY3COE = 0x10;
-           SiS_Pr->SiS_RY4COE = 0x38;
-        }
+        if(modeflag & HalfDCLK) {
+           SiS_Pr->SiS_RY1COE = 0x00;
+           SiS_Pr->SiS_RY2COE = 0xf4;
+           SiS_Pr->SiS_RY3COE = 0x10;
+           SiS_Pr->SiS_RY4COE = 0x38;
+        }
 
-        if(!(SiS_Pr->SiS_TVMode & TVSetPAL)) {
-           SiS_Pr->SiS_HT = NTSCHT;
+        if(!(SiS_Pr->SiS_TVMode & TVSetPAL)) {
+           SiS_Pr->SiS_HT = NTSCHT;
            if(SiS_Pr->SiS_TVMode & TVSetNTSC1024) SiS_Pr->SiS_HT = NTSC2HT;
-           SiS_Pr->SiS_VT = NTSCVT;
-        } else {
-           SiS_Pr->SiS_HT = PALHT;
-           SiS_Pr->SiS_VT = PALVT;
-        }
+           SiS_Pr->SiS_VT = NTSCVT;
+        } else {
+           SiS_Pr->SiS_HT = PALHT;
+           SiS_Pr->SiS_VT = PALVT;
+        }
 
      }
 
@@ -3486,42 +3441,53 @@ SiS_GetCRT2Data301(SiS_Private *SiS_Pr,USHORT ModeNo,USHORT ModeIdIndex,
 
      if(SiS_Pr->UseCustomMode) {
 
-        SiS_Pr->SiS_VGAHT = SiS_Pr->CHTotal;
-        SiS_Pr->SiS_VGAVT = SiS_Pr->CVTotal;
-        SiS_Pr->SiS_HT    = SiS_Pr->CHTotal;
-        SiS_Pr->SiS_VT    = SiS_Pr->CVTotal;
         SiS_Pr->SiS_HDE   = SiS_Pr->SiS_VGAHDE;
-        SiS_Pr->SiS_VDE   = SiS_Pr->SiS_VGAVDE;
+        SiS_Pr->SiS_VDE   = SiS_Pr->SiS_VGAVDE;
+
+        tempax = SiS_Pr->CHTotal;
+        if(modeflag & HalfDCLK) tempax <<= 1;
+        SiS_Pr->SiS_VGAHT = SiS_Pr->SiS_HT = tempax;
+        SiS_Pr->SiS_VGAVT = SiS_Pr->SiS_VT = SiS_Pr->CVTotal;
 
      } else {
 
-        BOOLEAN gotit = FALSE;
+        BOOLEAN gotit = FALSE;
 
-        if((SiS_Pr->SiS_LCDInfo & DontExpandLCD) && (!(SiS_Pr->SiS_LCDInfo & LCDPass11))) {
+        if((SiS_Pr->SiS_LCDInfo & DontExpandLCD) && (!(SiS_Pr->SiS_LCDInfo & LCDPass11))) {
 
-           SiS_Pr->SiS_VGAHT = SiS_Pr->PanelHT;
-           SiS_Pr->SiS_VGAVT = SiS_Pr->PanelVT;
-           SiS_Pr->SiS_HT    = SiS_Pr->PanelHT;
-           SiS_Pr->SiS_VT    = SiS_Pr->PanelVT;
+           SiS_Pr->SiS_VGAHT = SiS_Pr->PanelHT;
+           SiS_Pr->SiS_VGAVT = SiS_Pr->PanelVT;
+           SiS_Pr->SiS_HT    = SiS_Pr->PanelHT;
+           SiS_Pr->SiS_VT    = SiS_Pr->PanelVT;
            gotit = TRUE;
 
         } else if( (!(SiS_Pr->SiS_LCDInfo & DontExpandLCD)) && (romptr) && (ROMAddr) ) {
 
 #ifdef SIS315H
            SiS_Pr->SiS_RVBHCMAX  = ROMAddr[romptr];
-           SiS_Pr->SiS_RVBHCFACT = ROMAddr[romptr+1];
-           SiS_Pr->SiS_VGAHT     = ROMAddr[romptr+2] | ((ROMAddr[romptr+3] & 0x0f) << 8);
-           SiS_Pr->SiS_VGAVT     = ROMAddr[romptr+4] | ((ROMAddr[romptr+3] & 0xf0) << 4);
-           SiS_Pr->SiS_HT        = ROMAddr[romptr+5] | ((ROMAddr[romptr+6] & 0x0f) << 8);
-           SiS_Pr->SiS_VT        = ROMAddr[romptr+7] | ((ROMAddr[romptr+6] & 0xf0) << 4);
+           SiS_Pr->SiS_RVBHCFACT = ROMAddr[romptr+1];
+           SiS_Pr->SiS_VGAHT     = ROMAddr[romptr+2] | ((ROMAddr[romptr+3] & 0x0f) << 8);
+           SiS_Pr->SiS_VGAVT     = (ROMAddr[romptr+4] << 4) | ((ROMAddr[romptr+3] & 0xf0) >> 4);
+           SiS_Pr->SiS_HT        = ROMAddr[romptr+5] | ((ROMAddr[romptr+6] & 0x0f) << 8);
+           SiS_Pr->SiS_VT        = (ROMAddr[romptr+7] << 4) | ((ROMAddr[romptr+6] & 0xf0) >> 4);
+           SiS_Pr->SiS_RVBHRS2   = ROMAddr[romptr+8] | ((ROMAddr[romptr+9] & 0x0f) << 8);
+           if((SiS_Pr->SiS_RVBHRS2) && (modeflag & HalfDCLK)) {
+              SiS_Pr->SiS_RVBHRS2 = ((SiS_Pr->SiS_RVBHRS2 + 3) >> 1) - 3;
+              tempax = (ROMAddr[romptr+9] >> 4) & 0x07;
+              if(ROMAddr[romptr+9] & 0x80) SiS_Pr->SiS_RVBHRS2 -= tempax;
+              else                         SiS_Pr->SiS_RVBHRS2 += tempax;
+           }
            if(SiS_Pr->SiS_VGAHT) gotit = TRUE;
            else {
               SiS_Pr->SiS_LCDInfo |= DontExpandLCD;
               SiS_Pr->SiS_LCDInfo &= ~LCDPass11;
+              SiS_Pr->SiS_RVBHCMAX  = 1;
+              SiS_Pr->SiS_RVBHCFACT = 1;
               SiS_Pr->SiS_VGAHT   = SiS_Pr->PanelHT;
-              SiS_Pr->SiS_VGAVT   = SiS_Pr->PanelVT;
-              SiS_Pr->SiS_HT      = SiS_Pr->PanelHT;
-              SiS_Pr->SiS_VT      = SiS_Pr->PanelVT;
+              SiS_Pr->SiS_VGAVT   = SiS_Pr->PanelVT;
+              SiS_Pr->SiS_HT      = SiS_Pr->PanelHT;
+              SiS_Pr->SiS_VT      = SiS_Pr->PanelVT;
+              SiS_Pr->SiS_RVBHRS2 = 0;
               gotit = TRUE;
            }
 #endif
@@ -3530,28 +3496,30 @@ SiS_GetCRT2Data301(SiS_Private *SiS_Pr,USHORT ModeNo,USHORT ModeIdIndex,
 
         if(!gotit) {
 
-           SiS_GetCRT2Ptr(SiS_Pr,ModeNo,ModeIdIndex,RefreshRateTableIndex,
-                          &CRT2Index,&ResIndex,HwInfo);
+           SiS_GetCRT2Ptr(SiS_Pr,ModeNo,ModeIdIndex,RefreshRateTableIndex,
+                          &CRT2Index,&ResIndex);
 
-           switch(CRT2Index) {
+           switch(CRT2Index) {
               case Panel_1024x768      : LCDPtr = SiS_Pr->SiS_ExtLCD1024x768Data;   break;
               case Panel_1024x768  + 32: LCDPtr = SiS_Pr->SiS_St2LCD1024x768Data;   break;
               case Panel_1280x720      :
               case Panel_1280x720  + 32: LCDPtr = SiS_Pr->SiS_LCD1280x720Data;      break;
               case Panel_1280x768_2    : LCDPtr = SiS_Pr->SiS_ExtLCD1280x768_2Data; break;
-              case Panel_1280x768_2+ 32: LCDPtr = SiS_Pr->SiS_StLCD1280x768_2Data;  break;
+              case Panel_1280x768_2+ 32: LCDPtr = SiS_Pr->SiS_StLCD1280x768_2Data;  break;
               case Panel_1280x800      :
               case Panel_1280x800  + 32: LCDPtr = SiS_Pr->SiS_LCD1280x800Data;      break;
               case Panel_1280x800_2    :
               case Panel_1280x800_2+ 32: LCDPtr = SiS_Pr->SiS_LCD1280x800_2Data;    break;
+              case Panel_1280x854      :
+              case Panel_1280x854  + 32: LCDPtr = SiS_Pr->SiS_LCD1280x854Data;      break;
               case Panel_1280x960      :
               case Panel_1280x960  + 32: LCDPtr = SiS_Pr->SiS_LCD1280x960Data;      break;
-              case Panel_1280x1024     : LCDPtr = SiS_Pr->SiS_ExtLCD1280x1024Data;  break;
-              case Panel_1280x1024 + 32: LCDPtr = SiS_Pr->SiS_St2LCD1280x1024Data;  break;
-              case Panel_1400x1050     : LCDPtr = SiS_Pr->SiS_ExtLCD1400x1050Data;  break;
-              case Panel_1400x1050 + 32: LCDPtr = SiS_Pr->SiS_StLCD1400x1050Data;   break;
-              case Panel_1600x1200     : LCDPtr = SiS_Pr->SiS_ExtLCD1600x1200Data;  break;
-              case Panel_1600x1200 + 32: LCDPtr = SiS_Pr->SiS_StLCD1600x1200Data;   break;
+              case Panel_1280x1024     : LCDPtr = SiS_Pr->SiS_ExtLCD1280x1024Data;  break;
+              case Panel_1280x1024 + 32: LCDPtr = SiS_Pr->SiS_St2LCD1280x1024Data;  break;
+              case Panel_1400x1050     : LCDPtr = SiS_Pr->SiS_ExtLCD1400x1050Data;  break;
+              case Panel_1400x1050 + 32: LCDPtr = SiS_Pr->SiS_StLCD1400x1050Data;   break;
+              case Panel_1600x1200     : LCDPtr = SiS_Pr->SiS_ExtLCD1600x1200Data;  break;
+              case Panel_1600x1200 + 32: LCDPtr = SiS_Pr->SiS_StLCD1600x1200Data;   break;
               case Panel_1680x1050     :
               case Panel_1680x1050 + 32: LCDPtr = SiS_Pr->SiS_LCD1680x1050Data;     break;
               case 100                 : LCDPtr = SiS_Pr->SiS_NoScaleData;          break;
@@ -3559,271 +3527,340 @@ SiS_GetCRT2Data301(SiS_Private *SiS_Pr,USHORT ModeNo,USHORT ModeIdIndex,
               case 200                 : LCDPtr = SiS310_ExtCompaq1280x1024Data;    break;
               case 201                 : LCDPtr = SiS_Pr->SiS_St2LCD1280x1024Data;  break;
 #endif
-              default                  : LCDPtr = SiS_Pr->SiS_ExtLCD1024x768Data;   break;
-           }
+              default                  : LCDPtr = SiS_Pr->SiS_ExtLCD1024x768Data;   break;
+           }
 
+#ifdef SIS_XORG_XF86
 #ifdef TWDEBUG
-           xf86DrvMsg(0, X_INFO, "GetCRT2Data: Index %d ResIndex %d\n", CRT2Index, ResIndex);
+           xf86DrvMsg(0, X_INFO, "GetCRT2Data: Index %d ResIndex %d\n", CRT2Index, ResIndex);
+#endif
 #endif
 
-           SiS_Pr->SiS_RVBHCMAX  = (LCDPtr+ResIndex)->RVBHCMAX;
-           SiS_Pr->SiS_RVBHCFACT = (LCDPtr+ResIndex)->RVBHCFACT;
-           SiS_Pr->SiS_VGAHT     = (LCDPtr+ResIndex)->VGAHT;
-           SiS_Pr->SiS_VGAVT     = (LCDPtr+ResIndex)->VGAVT;
-           SiS_Pr->SiS_HT        = (LCDPtr+ResIndex)->LCDHT;
-           SiS_Pr->SiS_VT        = (LCDPtr+ResIndex)->LCDVT;
+           SiS_Pr->SiS_RVBHCMAX  = (LCDPtr+ResIndex)->RVBHCMAX;
+           SiS_Pr->SiS_RVBHCFACT = (LCDPtr+ResIndex)->RVBHCFACT;
+           SiS_Pr->SiS_VGAHT     = (LCDPtr+ResIndex)->VGAHT;
+           SiS_Pr->SiS_VGAVT     = (LCDPtr+ResIndex)->VGAVT;
+           SiS_Pr->SiS_HT        = (LCDPtr+ResIndex)->LCDHT;
+           SiS_Pr->SiS_VT        = (LCDPtr+ResIndex)->LCDVT;
 
         }
 
         tempax = SiS_Pr->PanelXRes;
-        tempbx = SiS_Pr->PanelYRes;
+        tempbx = SiS_Pr->PanelYRes;
 
-        if(SiS_Pr->SiS_LCDResInfo == Panel_1024x768) {
-           if(SiS_Pr->SiS_SetFlag & LCDVESATiming) {
-              if(HwInfo->jChipType < SIS_315H) {
-                 if     (SiS_Pr->SiS_VGAVDE == 350) tempbx = 560;
-                 else if(SiS_Pr->SiS_VGAVDE == 400) tempbx = 640;
-              }
-           } else {
-              if     (SiS_Pr->SiS_VGAVDE == 357) tempbx = 527;
-              else if(SiS_Pr->SiS_VGAVDE == 420) tempbx = 620;
-              else if(SiS_Pr->SiS_VGAVDE == 525) tempbx = 775;
-              else if(SiS_Pr->SiS_VGAVDE == 600) tempbx = 775;
-              else if(SiS_Pr->SiS_VGAVDE == 350) tempbx = 560;
-              else if(SiS_Pr->SiS_VGAVDE == 400) tempbx = 640;
-           }
-        } else if(SiS_Pr->SiS_LCDResInfo == Panel_1280x960) {
-           if     (SiS_Pr->SiS_VGAVDE == 350)  tempbx = 700;
-           else if(SiS_Pr->SiS_VGAVDE == 400)  tempbx = 800;
-           else if(SiS_Pr->SiS_VGAVDE == 1024) tempbx = 960;
-        } else if(SiS_Pr->SiS_LCDResInfo == Panel_1280x1024) {
-           if     (SiS_Pr->SiS_VGAVDE == 360) tempbx = 768;
-           else if(SiS_Pr->SiS_VGAVDE == 375) tempbx = 800;
-           else if(SiS_Pr->SiS_VGAVDE == 405) tempbx = 864;
-        } else if(SiS_Pr->SiS_LCDResInfo == Panel_1600x1200) {
+        switch(SiS_Pr->SiS_LCDResInfo) {
+        case Panel_1024x768:
+           if(SiS_Pr->SiS_SetFlag & LCDVESATiming) {
+              if(SiS_Pr->ChipType < SIS_315H) {
+                 if     (SiS_Pr->SiS_VGAVDE == 350) tempbx = 560;
+                 else if(SiS_Pr->SiS_VGAVDE == 400) tempbx = 640;
+              }
+           } else {
+              if     (SiS_Pr->SiS_VGAVDE == 357) tempbx = 527;
+              else if(SiS_Pr->SiS_VGAVDE == 420) tempbx = 620;
+              else if(SiS_Pr->SiS_VGAVDE == 525) tempbx = 775;
+              else if(SiS_Pr->SiS_VGAVDE == 600) tempbx = 775;
+              else if(SiS_Pr->SiS_VGAVDE == 350) tempbx = 560;
+              else if(SiS_Pr->SiS_VGAVDE == 400) tempbx = 640;
+           }
+           break;
+        case Panel_1280x960:
+           if     (SiS_Pr->SiS_VGAVDE == 350)  tempbx = 700;
+           else if(SiS_Pr->SiS_VGAVDE == 400)  tempbx = 800;
+           else if(SiS_Pr->SiS_VGAVDE == 1024) tempbx = 960;
+           break;
+        case Panel_1280x1024:
+           if     (SiS_Pr->SiS_VGAVDE == 360) tempbx = 768;
+           else if(SiS_Pr->SiS_VGAVDE == 375) tempbx = 800;
+           else if(SiS_Pr->SiS_VGAVDE == 405) tempbx = 864;
+           break;
+        case Panel_1600x1200:
            if(!(SiS_Pr->SiS_SetFlag & LCDVESATiming)) {
-              if     (SiS_Pr->SiS_VGAVDE == 350)  tempbx = 875;
-              else if(SiS_Pr->SiS_VGAVDE == 400)  tempbx = 1000;
-           }
-        }
+              if     (SiS_Pr->SiS_VGAVDE == 350)  tempbx = 875;
+              else if(SiS_Pr->SiS_VGAVDE == 400)  tempbx = 1000;
+           }
+           break;
+        }
 
-        if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) {
-           tempax = SiS_Pr->SiS_VGAHDE;
-           tempbx = SiS_Pr->SiS_VGAVDE;
-        }
+        if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) {
+           tempax = SiS_Pr->SiS_VGAHDE;
+           tempbx = SiS_Pr->SiS_VGAVDE;
+        }
 
-        SiS_Pr->SiS_HDE = tempax;
-        SiS_Pr->SiS_VDE = tempbx;
+        SiS_Pr->SiS_HDE = tempax;
+        SiS_Pr->SiS_VDE = tempbx;
      }
   }
 }
 
 static void
-SiS_GetCRT2Data(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
-                USHORT RefreshRateTableIndex, PSIS_HW_INFO HwInfo)
+SiS_GetCRT2Data(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex,
+                unsigned short RefreshRateTableIndex)
 {
 
-  if(SiS_Pr->SiS_VBType & VB_SISVB) {
+   if(SiS_Pr->SiS_VBType & VB_SISVB) {
 
-     if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA) {
-        SiS_GetCRT2DataLVDS(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex, HwInfo);
-     } else {
-        if((SiS_Pr->SiS_VBType & VB_NoLCD) && (SiS_Pr->SiS_VBInfo & SetCRT2ToLCD)) {
-           /* Need LVDS Data for LCD on 301B-DH */
-           SiS_GetCRT2DataLVDS(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex, HwInfo);
-        } else {
-           SiS_GetCRT2Data301(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex, HwInfo);
-        }
-     }
+      if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA) {
+         SiS_GetCRT2DataLVDS(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex);
+      } else {
+         if((SiS_Pr->SiS_VBType & VB_NoLCD) && (SiS_Pr->SiS_VBInfo & SetCRT2ToLCD)) {
+            /* Need LVDS Data for LCD on 301B-DH */
+            SiS_GetCRT2DataLVDS(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex);
+         } else {
+            SiS_GetCRT2Data301(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex);
+         }
+      }
 
-  } else {
+   } else {
 
-     SiS_GetCRT2DataLVDS(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex, HwInfo);
+      SiS_GetCRT2DataLVDS(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex);
 
-  }
+   }
 }
 
 /*********************************************/
 /*         GET LVDS DES (SKEW) DATA          */
 /*********************************************/
 
-static void
-SiS_GetLVDSDesPtr(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
-                  USHORT RefreshRateTableIndex, USHORT *PanelIndex,
-                  USHORT *ResIndex, PSIS_HW_INFO HwInfo)
+static const struct SiS_LVDSDes *
+SiS_GetLVDSDesPtr(struct SiS_Private *SiS_Pr)
 {
-  USHORT modeflag;
+   const struct SiS_LVDSDes *PanelDesPtr = NULL;
 
-  if(ModeNo <= 0x13) {
-     modeflag = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ModeFlag;
-     (*ResIndex) = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_CRT2CRTC;
-  } else {
-     modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag;
-     (*ResIndex) = SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_CRT2CRTC;
-  }
+#ifdef SIS300
+   if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {
+
+      if(SiS_Pr->ChipType < SIS_315H) {
+         if(SiS_Pr->SiS_LCDTypeInfo == 4) {
+            if(SiS_Pr->SiS_CustomT == CUT_BARCO1366) {
+               PanelDesPtr = SiS_Pr->SiS_PanelType04_1a;
+               if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) {
+                  PanelDesPtr = SiS_Pr->SiS_PanelType04_2a;
+               }
+            } else if(SiS_Pr->SiS_CustomT == CUT_BARCO1024) {
+               PanelDesPtr = SiS_Pr->SiS_PanelType04_1b;
+               if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) {
+                  PanelDesPtr = SiS_Pr->SiS_PanelType04_2b;
+               }
+            }
+         }
+      }
+   }
+#endif
+   return PanelDesPtr;
+}
 
-  (*ResIndex) &= 0x1F;
-  (*PanelIndex) = 0;
+static void
+SiS_GetLVDSDesData(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex,
+                   unsigned short RefreshRateTableIndex)
+{
+  unsigned short modeflag, ResIndex;
+  const struct SiS_LVDSDes *PanelDesPtr = NULL;
 
-  if(SiS_Pr->SiS_IF_DEF_CH70xx != 0) {
-     if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
-        (*PanelIndex) = 50;
-        if((SiS_Pr->SiS_TVMode & TVSetPAL) && (!(SiS_Pr->SiS_TVMode & TVSetPALM))) (*PanelIndex) += 2;
-        if(SiS_Pr->SiS_TVMode & TVSetCHOverScan) (*PanelIndex) += 1;
-        /* Nothing special needed for SOverscan    */
-        /* PALM uses NTSC data, PALN uses PAL data */
-     }
-  }
+  SiS_Pr->SiS_LCDHDES = 0;
+  SiS_Pr->SiS_LCDVDES = 0;
 
+  /* Some special cases */
   if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {
-     *PanelIndex = SiS_Pr->SiS_LCDTypeInfo;
-     if(HwInfo->jChipType >= SIS_661) {
-        /* As long as we don's use the BIOS tables, we
-         * need to convert the TypeInfo as for 315 series
-         */
-        (*PanelIndex) = SiS_Pr->SiS_LCDResInfo - 1;
-     }
-     if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) {
-        (*PanelIndex) += 16;
-        if(SiS_Pr->SiS_LCDInfo & LCDPass11) {
-           (*PanelIndex) = 32;
-           if(modeflag & HalfDCLK) (*PanelIndex)++;
+
+     /* Trumpion */
+     if(SiS_Pr->SiS_IF_DEF_TRUMPION) {
+        if(SiS_Pr->SiS_LCDResInfo == Panel_1024x768) {
+           if(SiS_Pr->SiS_VGAVDE == SiS_Pr->PanelYRes) {
+              SiS_Pr->SiS_LCDVDES = SiS_Pr->PanelVT - 1;
+           }
         }
+        return;
      }
-  }
 
-  if(SiS_Pr->SiS_SetFlag & SetDOSMode) {
-     if(SiS_Pr->SiS_LCDResInfo != Panel_640x480) {
-        (*ResIndex) = 7;
-        if(HwInfo->jChipType < SIS_315H) {
-           if(SiS_GetReg(SiS_Pr->SiS_P3c4,0x13) & 0x80) (*ResIndex)++;
-        }
+     /* 640x480 on LVDS */
+     if(SiS_Pr->ChipType < SIS_315H) {
+        if(SiS_Pr->SiS_LCDResInfo == Panel_640x480 && SiS_Pr->SiS_LCDTypeInfo == 3) {
+           SiS_Pr->SiS_LCDHDES = 8;
+           if     (SiS_Pr->SiS_VGAVDE >= 480) SiS_Pr->SiS_LCDVDES = 512;
+           else if(SiS_Pr->SiS_VGAVDE >= 400) SiS_Pr->SiS_LCDVDES = 436;
+           else if(SiS_Pr->SiS_VGAVDE >= 350) SiS_Pr->SiS_LCDVDES = 440;
+           return;
+        }
      }
-  }
-}
-
-static void
-SiS_GetLVDSDesData(SiS_Private *SiS_Pr, USHORT ModeNo,USHORT ModeIdIndex,
-                   USHORT RefreshRateTableIndex, PSIS_HW_INFO HwInfo)
-{
-  USHORT modeflag;
-  USHORT PanelIndex,ResIndex;
-  const  SiS_LVDSDesStruct *PanelDesPtr = NULL;
 
-  SiS_Pr->SiS_LCDHDES = 0;
-  SiS_Pr->SiS_LCDVDES = 0;
+  } /* LCD */
 
   if( (SiS_Pr->UseCustomMode)                    ||
       (SiS_Pr->SiS_LCDResInfo == Panel_Custom)   ||
       (SiS_Pr->SiS_CustomT == CUT_PANEL848)      ||
-      ((SiS_Pr->SiS_VBType & VB_SISVB) &&
-       (SiS_Pr->SiS_LCDInfo & DontExpandLCD) &&
-       (SiS_Pr->SiS_LCDInfo & LCDPass11)) ) {
+      (SiS_Pr->SiS_CustomT == CUT_PANEL856)      ||
+      (SiS_Pr->SiS_LCDInfo & LCDPass11) ) {
      return;
   }
 
-  if((SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) && (SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA)) {
+  if(ModeNo <= 0x13) ResIndex = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_CRT2CRTC;
+  else               ResIndex = SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_CRT2CRTC;
+
+  if((SiS_Pr->SiS_VBType & VB_SIS30xBLV) && (SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA)) {
 
 #ifdef SIS315H
      if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) {
-        /* non-pass 1:1 only, see above */
-        if(SiS_Pr->SiS_VGAHDE != SiS_Pr->PanelXRes) {
-           SiS_Pr->SiS_LCDHDES = SiS_Pr->SiS_HT - ((SiS_Pr->PanelXRes - SiS_Pr->SiS_VGAHDE) / 2);
+        /* non-pass 1:1 only, see above */
+        if(SiS_Pr->SiS_VGAHDE != SiS_Pr->PanelXRes) {
+           SiS_Pr->SiS_LCDHDES = SiS_Pr->SiS_HT - ((SiS_Pr->PanelXRes - SiS_Pr->SiS_VGAHDE) / 2);
         }
         if(SiS_Pr->SiS_VGAVDE != SiS_Pr->PanelYRes) {
            SiS_Pr->SiS_LCDVDES = SiS_Pr->SiS_VT - ((SiS_Pr->PanelYRes - SiS_Pr->SiS_VGAVDE) / 2);
         }
      }
      if(SiS_Pr->SiS_VGAVDE == SiS_Pr->PanelYRes) {
-        switch(SiS_Pr->SiS_CustomT) {
-        case CUT_UNIWILL1024:
-        case CUT_UNIWILL10242:
-        case CUT_CLEVO1400:
+        switch(SiS_Pr->SiS_CustomT) {
+        case CUT_UNIWILL1024:
+        case CUT_UNIWILL10242:
+        case CUT_CLEVO1400:
            if(SiS_Pr->SiS_LCDResInfo == Panel_1024x768) {
               SiS_Pr->SiS_LCDVDES = SiS_Pr->PanelVT - 1;
            }
            break;
         }
-        if(SiS_Pr->SiS_LCDResInfo == Panel_1280x1024) {
+        switch(SiS_Pr->SiS_LCDResInfo) {
+        case Panel_1280x1024:
            if(SiS_Pr->SiS_CustomT != CUT_COMPAQ1280) {
               SiS_Pr->SiS_LCDVDES = SiS_Pr->PanelVT - 1;
            }
+           break;
+        case Panel_1280x800:    /* Verified for Averatec 6240 */
+        case Panel_1280x800_2:  /* Verified for Asus A4L */
+        case Panel_1280x854:    /* Not verified yet FIXME */
+           SiS_Pr->SiS_LCDVDES = SiS_Pr->PanelVT - 1;
+           break;
         }
      }
 #endif
 
   } else {
 
-     SiS_GetLVDSDesPtr(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex,
-                       &PanelIndex, &ResIndex, HwInfo);
-
-     switch(PanelIndex) {
-        case  0: PanelDesPtr = SiS_Pr->SiS_PanelType00_1;    break;   /* ---  */
-        case  1: PanelDesPtr = SiS_Pr->SiS_PanelType01_1;    break;
-        case  2: PanelDesPtr = SiS_Pr->SiS_PanelType02_1;    break;
-        case  3: PanelDesPtr = SiS_Pr->SiS_PanelType03_1;    break;
-        case  4: PanelDesPtr = SiS_Pr->SiS_PanelType04_1;    break;
-        case  5: PanelDesPtr = SiS_Pr->SiS_PanelType05_1;    break;
-        case  6: PanelDesPtr = SiS_Pr->SiS_PanelType06_1;    break;
-        case  7: PanelDesPtr = SiS_Pr->SiS_PanelType07_1;    break;
-        case  8: PanelDesPtr = SiS_Pr->SiS_PanelType08_1;    break;
-        case  9: PanelDesPtr = SiS_Pr->SiS_PanelType09_1;    break;
-        case 10: PanelDesPtr = SiS_Pr->SiS_PanelType0a_1;    break;
-        case 11: PanelDesPtr = SiS_Pr->SiS_PanelType0b_1;    break;
-        case 12: PanelDesPtr = SiS_Pr->SiS_PanelType0c_1;    break;
-        case 13: PanelDesPtr = SiS_Pr->SiS_PanelType0d_1;    break;
-        case 14: PanelDesPtr = SiS_Pr->SiS_PanelType0e_1;    break;
-        case 15: PanelDesPtr = SiS_Pr->SiS_PanelType0f_1;    break;
-        case 16: PanelDesPtr = SiS_Pr->SiS_PanelType00_2;    break;    /* --- */
-        case 17: PanelDesPtr = SiS_Pr->SiS_PanelType01_2;    break;
-        case 18: PanelDesPtr = SiS_Pr->SiS_PanelType02_2;    break;
-        case 19: PanelDesPtr = SiS_Pr->SiS_PanelType03_2;    break;
-        case 20: PanelDesPtr = SiS_Pr->SiS_PanelType04_2;    break;
-        case 21: PanelDesPtr = SiS_Pr->SiS_PanelType05_2;    break;
-        case 22: PanelDesPtr = SiS_Pr->SiS_PanelType06_2;    break;
-        case 23: PanelDesPtr = SiS_Pr->SiS_PanelType07_2;    break;
-        case 24: PanelDesPtr = SiS_Pr->SiS_PanelType08_2;    break;
-        case 25: PanelDesPtr = SiS_Pr->SiS_PanelType09_2;    break;
-        case 26: PanelDesPtr = SiS_Pr->SiS_PanelType0a_2;    break;
-        case 27: PanelDesPtr = SiS_Pr->SiS_PanelType0b_2;    break;
-        case 28: PanelDesPtr = SiS_Pr->SiS_PanelType0c_2;    break;
-        case 29: PanelDesPtr = SiS_Pr->SiS_PanelType0d_2;    break;
-        case 30: PanelDesPtr = SiS_Pr->SiS_PanelType0e_2;    break;
-        case 31: PanelDesPtr = SiS_Pr->SiS_PanelType0f_2;    break;
-        case 32: PanelDesPtr = SiS_Pr->SiS_PanelTypeNS_1;    break;    /* pass 1:1 */
-        case 33: PanelDesPtr = SiS_Pr->SiS_PanelTypeNS_2;    break;
-        case 50: PanelDesPtr = SiS_Pr->SiS_CHTVUNTSCDesData; break;    /* TV */
-        case 51: PanelDesPtr = SiS_Pr->SiS_CHTVONTSCDesData; break;
-        case 52: PanelDesPtr = SiS_Pr->SiS_CHTVUPALDesData;  break;
-        case 53: PanelDesPtr = SiS_Pr->SiS_CHTVOPALDesData;  break;
-        default: return;
-     }
-
-     SiS_Pr->SiS_LCDHDES = (PanelDesPtr+ResIndex)->LCDHDES;
-     SiS_Pr->SiS_LCDVDES = (PanelDesPtr+ResIndex)->LCDVDES;
+     if((SiS_Pr->SiS_IF_DEF_CH70xx != 0) && (SiS_Pr->SiS_VBInfo & SetCRT2ToTV)) {
+
+        if((SiS_Pr->SiS_TVMode & TVSetPAL) && (!(SiS_Pr->SiS_TVMode & TVSetPALM))) {
+           if(ResIndex <= 3) SiS_Pr->SiS_LCDHDES = 256;
+        }
+
+     } else if((PanelDesPtr = SiS_GetLVDSDesPtr(SiS_Pr))) {
+
+        SiS_Pr->SiS_LCDHDES = (PanelDesPtr+ResIndex)->LCDHDES;
+        SiS_Pr->SiS_LCDVDES = (PanelDesPtr+ResIndex)->LCDVDES;
+
+     } else if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) {
+
+        if(SiS_Pr->SiS_VGAHDE != SiS_Pr->PanelXRes) {
+           SiS_Pr->SiS_LCDHDES = SiS_Pr->SiS_HT - ((SiS_Pr->PanelXRes - SiS_Pr->SiS_VGAHDE) / 2);
+        }
+        if(SiS_Pr->SiS_VGAVDE != SiS_Pr->PanelYRes) {
+           SiS_Pr->SiS_LCDVDES = SiS_Pr->SiS_VT - ((SiS_Pr->PanelYRes - SiS_Pr->SiS_VGAVDE) / 2);
+        } else {
+           if(SiS_Pr->ChipType < SIS_315H) {
+              SiS_Pr->SiS_LCDVDES = SiS_Pr->PanelVT - 1;
+           } else {
+              switch(SiS_Pr->SiS_LCDResInfo) {
+              case Panel_800x600:
+              case Panel_1024x768:
+              case Panel_1280x1024:
+                 SiS_Pr->SiS_LCDVDES = SiS_Pr->PanelVT;
+                 break;
+              case Panel_1400x1050:
+                 SiS_Pr->SiS_LCDVDES = SiS_Pr->PanelVT - 1;
+                 break;
+              }
+           }
+        }
+
+     } else {
+
+        if(SiS_Pr->ChipType < SIS_315H) {
+#ifdef SIS300
+           switch(SiS_Pr->SiS_LCDResInfo) {
+           case Panel_800x600:
+              if(SiS_Pr->SiS_VGAVDE == SiS_Pr->PanelYRes) {
+                 SiS_Pr->SiS_LCDVDES = SiS_Pr->PanelVT - 1;
+              } else {
+                 SiS_Pr->SiS_LCDHDES = SiS_Pr->PanelHT + 3;
+                 SiS_Pr->SiS_LCDVDES = SiS_Pr->PanelVT;
+                 if(SiS_Pr->SiS_VGAVDE == 400) SiS_Pr->SiS_LCDVDES -= 2;
+                 else                          SiS_Pr->SiS_LCDVDES -= 4;
+              }
+              break;
+           case Panel_1024x768:
+              if(SiS_Pr->SiS_VGAVDE == SiS_Pr->PanelYRes) {
+                 SiS_Pr->SiS_LCDVDES = SiS_Pr->PanelVT - 1;
+              } else {
+                 SiS_Pr->SiS_LCDHDES = SiS_Pr->PanelHT - 1;
+                 if(SiS_Pr->SiS_VGAVDE <= 400) SiS_Pr->SiS_LCDVDES = SiS_Pr->PanelVT - 8;
+                 if(SiS_Pr->SiS_VGAVDE <= 350) SiS_Pr->SiS_LCDVDES = SiS_Pr->PanelVT - 12;
+              }
+              break;
+           case Panel_1024x600:
+           default:
+              if( (SiS_Pr->SiS_VGAHDE == SiS_Pr->PanelXRes) &&
+                  (SiS_Pr->SiS_VGAVDE == SiS_Pr->PanelYRes) ) {
+                 SiS_Pr->SiS_LCDVDES = SiS_Pr->PanelVT - 1;
+              } else {
+                 SiS_Pr->SiS_LCDHDES = SiS_Pr->PanelHT - 1;
+              }
+              break;
+           }
+
+           switch(SiS_Pr->SiS_LCDTypeInfo) {
+           case 1:
+              SiS_Pr->SiS_LCDHDES = SiS_Pr->SiS_LCDVDES = 0;
+              break;
+           case 3: /* 640x480 only? */
+              SiS_Pr->SiS_LCDHDES = 8;
+              if     (SiS_Pr->SiS_VGAVDE >= 480) SiS_Pr->SiS_LCDVDES = 512;
+              else if(SiS_Pr->SiS_VGAVDE >= 400) SiS_Pr->SiS_LCDVDES = 436;
+              else if(SiS_Pr->SiS_VGAVDE >= 350) SiS_Pr->SiS_LCDVDES = 440;
+              break;
+           }
+#endif
+        } else {
+#ifdef SIS315H
+           switch(SiS_Pr->SiS_LCDResInfo) {
+           case Panel_1024x768:
+           case Panel_1280x1024:
+              if(SiS_Pr->SiS_VGAVDE == SiS_Pr->PanelYRes) {
+                 SiS_Pr->SiS_LCDVDES = SiS_Pr->PanelVT - 1;
+              }
+              break;
+           case Panel_320x240_1:
+           case Panel_320x240_2:
+           case Panel_320x240_3:
+              SiS_Pr->SiS_LCDVDES = 524;
+              break;
+           }
+#endif
+        }
+     }
 
      if((ModeNo <= 0x13) && (SiS_Pr->SiS_LCDInfo & DontExpandLCD)) {
-        modeflag = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ModeFlag;
-        if((SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) && (SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA)) {
+        modeflag = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ModeFlag;
+        if((SiS_Pr->SiS_VBType & VB_SIS30xBLV) && (SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA)) {
            if(!(modeflag & HalfDCLK)) SiS_Pr->SiS_LCDHDES = 632;
-        } else if(!(SiS_Pr->SiS_SetFlag & SetDOSMode)) {
-           if(SiS_Pr->SiS_LCDResInfo != Panel_1280x1024) {
-              if(SiS_Pr->SiS_LCDResInfo >= Panel_1024x768) {
-                 if(HwInfo->jChipType < SIS_315H) {
+        } else if(!(SiS_Pr->SiS_SetFlag & SetDOSMode)) {
+           if(SiS_Pr->SiS_LCDResInfo != Panel_1280x1024) {
+              if(SiS_Pr->SiS_LCDResInfo >= Panel_1024x768) {
+                 if(SiS_Pr->ChipType < SIS_315H) {
                     if(!(modeflag & HalfDCLK)) SiS_Pr->SiS_LCDHDES = 320;
                  } else {
-                    if(SiS_Pr->SiS_LCDResInfo == Panel_1024x768)  SiS_Pr->SiS_LCDHDES = 480;
-                    if(SiS_Pr->SiS_LCDResInfo == Panel_1400x1050) SiS_Pr->SiS_LCDHDES = 804;
+#ifdef SIS315H
+                    if(SiS_Pr->SiS_LCDResInfo == Panel_1024x768)  SiS_Pr->SiS_LCDHDES = 480;
+                    if(SiS_Pr->SiS_LCDResInfo == Panel_1400x1050) SiS_Pr->SiS_LCDHDES = 804;
                     if(SiS_Pr->SiS_LCDResInfo == Panel_1600x1200) SiS_Pr->SiS_LCDHDES = 704;
-                    if(!(modeflag & HalfDCLK)) {
-                       SiS_Pr->SiS_LCDHDES = 320;
-                       if(SiS_Pr->SiS_LCDResInfo == Panel_1400x1050) SiS_Pr->SiS_LCDHDES = 632;
+                    if(!(modeflag & HalfDCLK)) {
+                       SiS_Pr->SiS_LCDHDES = 320;
+                       if(SiS_Pr->SiS_LCDResInfo == Panel_1400x1050) SiS_Pr->SiS_LCDHDES = 632;
                        if(SiS_Pr->SiS_LCDResInfo == Panel_1600x1200) SiS_Pr->SiS_LCDHDES = 542;
-                    }
-                 }
-              }
-           }
-        }
+                    }
+#endif
+                 }
+              }
+           }
+        }
      }
   }
 }
@@ -3832,54 +3869,90 @@ SiS_GetLVDSDesData(SiS_Private *SiS_Pr, USHORT ModeNo,USHORT ModeIdIndex,
 /*           DISABLE VIDEO BRIDGE            */
 /*********************************************/
 
+#ifdef SIS315H
+static int
+SiS_HandlePWD(struct SiS_Private *SiS_Pr)
+{
+   int ret = 0;
+#ifdef SET_PWD
+   unsigned char *ROMAddr = SiS_Pr->VirtualRomBase;
+   unsigned short romptr = GetLCDStructPtr661_2(SiS_Pr);
+   unsigned char  drivermode = SiS_GetReg(SiS_Pr->SiS_P3d4,0x31) & 0x40;
+   unsigned short temp;
+
+   if( (SiS_Pr->SiS_VBType & VB_SISPWD) &&
+       (romptr)                         &&
+       (SiS_Pr->SiS_PWDOffset) ) {
+      SiS_SetReg(SiS_Pr->SiS_Part4Port,0x2b,ROMAddr[romptr + SiS_Pr->SiS_PWDOffset + 0]);
+      SiS_SetReg(SiS_Pr->SiS_Part4Port,0x2c,ROMAddr[romptr + SiS_Pr->SiS_PWDOffset + 1]);
+      SiS_SetReg(SiS_Pr->SiS_Part4Port,0x2d,ROMAddr[romptr + SiS_Pr->SiS_PWDOffset + 2]);
+      SiS_SetReg(SiS_Pr->SiS_Part4Port,0x2e,ROMAddr[romptr + SiS_Pr->SiS_PWDOffset + 3]);
+      SiS_SetReg(SiS_Pr->SiS_Part4Port,0x2f,ROMAddr[romptr + SiS_Pr->SiS_PWDOffset + 4]);
+      temp = 0x00;
+      if((ROMAddr[romptr + 2] & (0x06 << 1)) && !drivermode) {
+         temp = 0x80;
+         ret = 1;
+      }
+      SiS_SetRegANDOR(SiS_Pr->SiS_Part4Port,0x27,0x7f,temp);
+#ifdef SIS_XORG_XF86
+#ifdef TWDEBUG
+      xf86DrvMsg(0, 0, "Setting PWD %x\n", temp);
+#endif
+#endif
+   }
+#endif
+   return ret;
+}
+#endif
+
 /* NEVER use any variables (VBInfo), this will be called
  * from outside the context of modeswitch!
  * MUST call getVBType before calling this
  */
 void
-SiS_DisableBridge(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_DisableBridge(struct SiS_Private *SiS_Pr)
 {
 #ifdef SIS315H
-  USHORT tempah,pushax=0,modenum;
+  unsigned short tempah, pushax=0, modenum;
 #endif
-  USHORT temp=0;
+  unsigned short temp=0;
 
   if(SiS_Pr->SiS_VBType & VB_SISVB) {
 
-     if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {   /* ===== For 30xB/LV ===== */
+     if(SiS_Pr->SiS_VBType & VB_SIS30xBLV) {            /* ===== For 30xB/C/LV ===== */
 
-        if(HwInfo->jChipType < SIS_315H) {
+        if(SiS_Pr->ChipType < SIS_315H) {
 
 #ifdef SIS300      /* 300 series */
 
-           if(!(SiS_CR36BIOSWord23b(SiS_Pr,HwInfo))) {
-              if(SiS_Pr->SiS_VBType & VB_SIS301LV302LV) {
-                 SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x26,0xFE);
+           if(!(SiS_CR36BIOSWord23b(SiS_Pr))) {
+              if(SiS_Pr->SiS_VBType & VB_SISLVDS) {
+                 SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x26,0xFE);
               } else {
-                 SiS_SetRegSR11ANDOR(SiS_Pr,HwInfo,0xF7,0x08);
+                 SiS_SetRegSR11ANDOR(SiS_Pr,0xF7,0x08);
               }
-              SiS_PanelDelay(SiS_Pr, HwInfo, 3);
+              SiS_PanelDelay(SiS_Pr, 3);
            }
            if(SiS_Is301B(SiS_Pr)) {
               SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x1f,0x3f);
               SiS_ShortDelay(SiS_Pr,1);
-           }
+           }
            SiS_SetRegAND(SiS_Pr->SiS_Part2Port,0x00,0xDF);
            SiS_DisplayOff(SiS_Pr);
            SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x32,0xDF);
            SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x1E,0xDF);
-           SiS_UnLockCRT2(SiS_Pr,HwInfo);
-           if(!(SiS_Pr->SiS_VBType & VB_SIS301LV302LV)) {
+           SiS_UnLockCRT2(SiS_Pr);
+           if(!(SiS_Pr->SiS_VBType & VB_SISLVDS)) {
               SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x01,0x80);
               SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x02,0x40);
            }
-           if( (!(SiS_CRT2IsLCD(SiS_Pr, HwInfo))) ||
-               (!(SiS_CR36BIOSWord23d(SiS_Pr, HwInfo))) ) {
-              SiS_PanelDelay(SiS_Pr, HwInfo, 2);
-              if(SiS_Pr->SiS_VBType & VB_SIS301LV302LV) {
-                 SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x26,0xFD);
+           if( (!(SiS_CRT2IsLCD(SiS_Pr))) ||
+               (!(SiS_CR36BIOSWord23d(SiS_Pr))) ) {
+              SiS_PanelDelay(SiS_Pr, 2);
+              if(SiS_Pr->SiS_VBType & VB_SISLVDS) {
+                 SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x26,0xFD);
               } else {
-                 SiS_SetRegSR11ANDOR(SiS_Pr,HwInfo,0xFB,0x04);
+                 SiS_SetRegSR11ANDOR(SiS_Pr,0xFB,0x04);
               }
            }
 
@@ -3889,130 +3962,127 @@ SiS_DisableBridge(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
 
 #ifdef SIS315H     /* 315 series */
 
+           int didpwd = 0;
            BOOLEAN custom1 = ((SiS_Pr->SiS_CustomT == CUT_COMPAQ1280) ||
                               (SiS_Pr->SiS_CustomT == CUT_CLEVO1400)) ? TRUE : FALSE;
 
            modenum = SiS_GetReg(SiS_Pr->SiS_P3d4,0x34) & 0x7f;
 
-           if(SiS_Pr->SiS_VBType & VB_SIS301LV302LV) {
+           if(SiS_Pr->SiS_VBType & VB_SISLVDS) {
 
 #ifdef SET_EMI
-              if(SiS_Pr->SiS_VBType & (VB_SIS302LV | VB_SIS302ELV)) {
+              if(SiS_Pr->SiS_VBType & VB_SISEMI) {
                  if(SiS_Pr->SiS_CustomT != CUT_CLEVO1400) {
-                    SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x30,0x0c);
+                    SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x30,0x0c);
                  }
               }
 #endif
-              if( (modenum <= 0x13)                  ||
-                  (SiS_IsVAMode(SiS_Pr,HwInfo))      ||
-                  (!(SiS_IsDualEdge(SiS_Pr,HwInfo))) ) {
-                 SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x26,0xFE);
-                 if(custom1) SiS_PanelDelay(SiS_Pr, HwInfo, 3);
+
+              didpwd = SiS_HandlePWD(SiS_Pr);
+
+              if( (modenum <= 0x13)           ||
+                  (SiS_IsVAMode(SiS_Pr))      ||
+                  (!(SiS_IsDualEdge(SiS_Pr))) ) {
+                 if(!didpwd) {
+                    SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x26,0xfe);
+                    if(custom1) SiS_PanelDelay(SiS_Pr, 3);
+                 } else {
+                    SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x26,0xfc);
+                 }
               }
 
               if(!custom1) {
                  SiS_DDC2Delay(SiS_Pr,0xff00);
                  SiS_DDC2Delay(SiS_Pr,0xe000);
-                 SiS_SetRegByte(SiS_Pr->SiS_P3c6,0x00);
-                 pushax = SiS_GetReg(SiS_Pr->SiS_P3c4,0x06);
+                 SiS_SetRegByte(SiS_Pr->SiS_P3c6,0x00);
+                 pushax = SiS_GetReg(SiS_Pr->SiS_P3c4,0x06);
                  if(IS_SIS740) {
                     SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x06,0xE3);
                  }
-                 SiS_PanelDelay(SiS_Pr, HwInfo, 3);
+                 SiS_PanelDelay(SiS_Pr, 3);
               }
 
-           }
+           }
 
-           if(!(SiS_IsNotM650orLater(SiS_Pr, HwInfo))) {
-              if(HwInfo->jChipType < SIS_340) {
-                 tempah = 0xef;
-                 if(SiS_IsVAMode(SiS_Pr,HwInfo)) tempah = 0xf7;
-                 SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x4c,tempah);
-              }
+           if(!(SiS_IsNotM650orLater(SiS_Pr))) {
+              /* if(SiS_Pr->ChipType < SIS_340) {*/
+                 tempah = 0xef;
+                 if(SiS_IsVAMode(SiS_Pr)) tempah = 0xf7;
+                 SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x4c,tempah);
+              /*}*/
            }
 
-           if(SiS_Pr->SiS_VBType & VB_SIS301LV302LV) {
+           if(SiS_Pr->SiS_VBType & VB_SISLVDS) {
               SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x1F,~0x10);
            }
 
            tempah = 0x3f;
-           if(SiS_IsDualEdge(SiS_Pr,HwInfo)) {
+           if(SiS_IsDualEdge(SiS_Pr)) {
               tempah = 0x7f;
-              if(!(SiS_IsVAMode(SiS_Pr,HwInfo))) tempah = 0xbf;
+              if(!(SiS_IsVAMode(SiS_Pr))) tempah = 0xbf;
            }
            SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x1F,tempah);
 
-           if((SiS_IsVAMode(SiS_Pr,HwInfo)) ||
-              ((SiS_Pr->SiS_VBType & VB_SIS301LV302LV) && (modenum <= 0x13))) {
+           if((SiS_IsVAMode(SiS_Pr)) ||
+              ((SiS_Pr->SiS_VBType & VB_SISLVDS) && (modenum <= 0x13))) {
 
               SiS_DisplayOff(SiS_Pr);
-              if(SiS_Pr->SiS_VBType & VB_SIS301LV302LV) {
-                 SiS_PanelDelay(SiS_Pr, HwInfo, 2);
+              if(SiS_Pr->SiS_VBType & VB_SISLVDS) {
+                 SiS_PanelDelay(SiS_Pr, 2);
               }
               SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x32,0xDF);
               SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x1E,0xDF);
 
            }
 
-           if((!(SiS_IsVAMode(SiS_Pr,HwInfo))) ||
-              ((SiS_Pr->SiS_VBType & VB_SIS301LV302LV) && (modenum <= 0x13))) {
+           if((!(SiS_IsVAMode(SiS_Pr))) ||
+              ((SiS_Pr->SiS_VBType & VB_SISLVDS) && (modenum <= 0x13))) {
 
-              if(!(SiS_IsDualEdge(SiS_Pr,HwInfo))) {
+              if(!(SiS_IsDualEdge(SiS_Pr))) {
                  SiS_SetRegAND(SiS_Pr->SiS_Part2Port,0x00,0xdf);
                  SiS_DisplayOff(SiS_Pr);
               }
               SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x00,0x80);
 
-              if(SiS_Pr->SiS_VBType & VB_SIS301LV302LV) {
-                 SiS_PanelDelay(SiS_Pr, HwInfo, 2);
+              if(SiS_Pr->SiS_VBType & VB_SISLVDS) {
+                 SiS_PanelDelay(SiS_Pr, 2);
               }
 
               SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x32,0xDF);
               temp = SiS_GetReg(SiS_Pr->SiS_Part1Port,0x00);
-              SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x00,0x10);
+              SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x00,0x10);
               SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x1E,0xDF);
               SiS_SetReg(SiS_Pr->SiS_Part1Port,0x00,temp);
 
            }
 
-           if(SiS_IsNotM650orLater(SiS_Pr,HwInfo)) {
+           if(SiS_IsNotM650orLater(SiS_Pr)) {
               SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x2e,0x7f);
            }
 
-           if(SiS_Pr->SiS_VBType & VB_SIS301LV302LV) {
-
-              if(!custom1) {
-
-                 if(!(SiS_IsVAMode(SiS_Pr,HwInfo))) {
-                    if(!(SiS_CRT2IsLCD(SiS_Pr,HwInfo))) {
-                       if(!(SiS_IsDualEdge(SiS_Pr,HwInfo))) {
-                          SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x26,0xFD);
-                       }
-                    }
-                 }
+           if(SiS_Pr->SiS_VBType & VB_SISLVDS) {
 
-                 SiS_SetReg(SiS_Pr->SiS_P3c4,0x06,pushax);
+              if( (!(SiS_IsVAMode(SiS_Pr)))  &&
+                  (!(SiS_CRT2IsLCD(SiS_Pr))) &&
+                  (!(SiS_IsDualEdge(SiS_Pr))) ) {
 
-                 if(SiS_Pr->SiS_VBType & (VB_SIS302LV | VB_SIS302ELV)) {
-                    if(SiS_IsVAorLCD(SiS_Pr, HwInfo)) {
-                       SiS_PanelDelayLoop(SiS_Pr, HwInfo, 3, 20);
-                    }
-                 }
-
-              } else {
+                 if(custom1) SiS_PanelDelay(SiS_Pr, 2);
+                 if(!didpwd) {
+                    SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x26,0xFD);
+                 }
+                 if(custom1) SiS_PanelDelay(SiS_Pr, 4);
+              }
 
-                 if((SiS_IsVAMode(SiS_Pr,HwInfo)) ||
-                    (!(SiS_IsDualEdge(SiS_Pr,HwInfo)))) {
-                    if((!(SiS_WeHaveBacklightCtrl(SiS_Pr, HwInfo))) ||
-                       (!(SiS_CRT2IsLCD(SiS_Pr, HwInfo)))) {
-                       SiS_PanelDelay(SiS_Pr, HwInfo, 2);
-                       SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x26,0xFD);
-                       SiS_PanelDelay(SiS_Pr, HwInfo, 4);
+              if(!custom1) {
+                 SiS_SetReg(SiS_Pr->SiS_P3c4,0x06,pushax);
+                 if(SiS_Pr->SiS_VBType & VB_SISEMI) {
+                    if(SiS_IsVAorLCD(SiS_Pr)) {
+                       SiS_PanelDelayLoop(SiS_Pr, 3, 20);
                     }
                  }
-
               }
-           }
+
+           }
 
 #endif /* SIS315H */
 
@@ -4020,36 +4090,36 @@ SiS_DisableBridge(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
 
      } else {     /* ============ For 301 ================ */
 
-        if(HwInfo->jChipType < SIS_315H) {
+        if(SiS_Pr->ChipType < SIS_315H) {
 #ifdef SIS300
-           if(!(SiS_CR36BIOSWord23b(SiS_Pr,HwInfo))) {
-              SiS_SetRegSR11ANDOR(SiS_Pr,HwInfo,0xF7,0x08);
-              SiS_PanelDelay(SiS_Pr, HwInfo, 3);
+           if(!(SiS_CR36BIOSWord23b(SiS_Pr))) {
+              SiS_SetRegSR11ANDOR(SiS_Pr,0xF7,0x08);
+              SiS_PanelDelay(SiS_Pr, 3);
            }
 #endif
         }
 
-        SiS_SetRegAND(SiS_Pr->SiS_Part2Port,0x00,0xDF);           /* disable VB */
-        SiS_DisplayOff(SiS_Pr);
+        SiS_SetRegAND(SiS_Pr->SiS_Part2Port,0x00,0xDF);           /* disable VB */
+        SiS_DisplayOff(SiS_Pr);
 
-        if(HwInfo->jChipType >= SIS_315H) {
-           SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x00,0x80);
+        if(SiS_Pr->ChipType >= SIS_315H) {
+           SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x00,0x80);
         }
 
-        SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x32,0xDF);                /* disable lock mode */
+        SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x32,0xDF);                /* disable lock mode */
 
-        if(HwInfo->jChipType >= SIS_315H) {
-            temp = SiS_GetReg(SiS_Pr->SiS_Part1Port,0x00);
-            SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x00,0x10);
+        if(SiS_Pr->ChipType >= SIS_315H) {
+            temp = SiS_GetReg(SiS_Pr->SiS_Part1Port,0x00);
+            SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x00,0x10);
             SiS_SetRegOR(SiS_Pr->SiS_P3c4,0x1E,0x20);
             SiS_SetReg(SiS_Pr->SiS_Part1Port,0x00,temp);
         } else {
 #ifdef SIS300
-            SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x1E,0xDF);            /* disable CRT2 */
-            if( (!(SiS_CRT2IsLCD(SiS_Pr, HwInfo))) ||
-                (!(SiS_CR36BIOSWord23d(SiS_Pr,HwInfo))) ) {
-                SiS_PanelDelay(SiS_Pr, HwInfo, 2);
-                SiS_SetRegSR11ANDOR(SiS_Pr,HwInfo,0xFB,0x04);
+            SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x1E,0xDF);            /* disable CRT2 */
+            if( (!(SiS_CRT2IsLCD(SiS_Pr))) ||
+                (!(SiS_CR36BIOSWord23d(SiS_Pr))) ) {
+                SiS_PanelDelay(SiS_Pr, 2);
+                SiS_SetRegSR11ANDOR(SiS_Pr,0xFB,0x04);
             }
 #endif
         }
@@ -4058,34 +4128,34 @@ SiS_DisableBridge(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
 
   } else {     /* ============ For LVDS =============*/
 
-    if(HwInfo->jChipType < SIS_315H) {
+    if(SiS_Pr->ChipType < SIS_315H) {
 
 #ifdef SIS300   /* 300 series */
 
         if(SiS_Pr->SiS_IF_DEF_CH70xx == 1) {
-           SiS_SetCH700x(SiS_Pr,0x090E);
+           SiS_SetCH700x(SiS_Pr,0x0E,0x09);
         }
 
-        if(HwInfo->jChipType == SIS_730) {
+        if(SiS_Pr->ChipType == SIS_730) {
            if(!(SiS_GetReg(SiS_Pr->SiS_P3c4,0x11) & 0x08)) {
-              SiS_WaitVBRetrace(SiS_Pr,HwInfo);
+              SiS_WaitVBRetrace(SiS_Pr);
            }
-           if(!(SiS_CR36BIOSWord23b(SiS_Pr,HwInfo))) {
-              SiS_SetRegSR11ANDOR(SiS_Pr,HwInfo,0xF7,0x08);
-              SiS_PanelDelay(SiS_Pr, HwInfo, 3);
+           if(!(SiS_CR36BIOSWord23b(SiS_Pr))) {
+              SiS_SetRegSR11ANDOR(SiS_Pr,0xF7,0x08);
+              SiS_PanelDelay(SiS_Pr, 3);
            }
         } else {
            if(!(SiS_GetReg(SiS_Pr->SiS_P3c4,0x11) & 0x08)) {
               if(!(SiS_GetReg(SiS_Pr->SiS_P3c4,0x13) & 0x40)) {
-                 if(!(SiS_CR36BIOSWord23b(SiS_Pr,HwInfo))) {
-                    SiS_WaitVBRetrace(SiS_Pr,HwInfo);
+                 if(!(SiS_CR36BIOSWord23b(SiS_Pr))) {
+                    SiS_WaitVBRetrace(SiS_Pr);
                     if(!(SiS_GetReg(SiS_Pr->SiS_P3c4,0x06) & 0x1c)) {
                        SiS_DisplayOff(SiS_Pr);
-                    }
-                    SiS_SetRegSR11ANDOR(SiS_Pr,HwInfo,0xF7,0x08);
-                    SiS_PanelDelay(SiS_Pr, HwInfo, 3);
-                 }
-              }
+                    }
+                    SiS_SetRegSR11ANDOR(SiS_Pr,0xF7,0x08);
+                    SiS_PanelDelay(SiS_Pr, 3);
+                 }
+              }
            }
         }
 
@@ -4094,14 +4164,14 @@ SiS_DisableBridge(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
         SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x32,0xDF);
 
         SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x1E,0xDF);
-        SiS_UnLockCRT2(SiS_Pr,HwInfo);
+        SiS_UnLockCRT2(SiS_Pr);
         SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x01,0x80);
         SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x02,0x40);
 
-        if( (!(SiS_CRT2IsLCD(SiS_Pr, HwInfo))) ||
-            (!(SiS_CR36BIOSWord23d(SiS_Pr,HwInfo))) ) {
-           SiS_PanelDelay(SiS_Pr, HwInfo, 2);
-           SiS_SetRegSR11ANDOR(SiS_Pr,HwInfo,0xFB,0x04);
+        if( (!(SiS_CRT2IsLCD(SiS_Pr))) ||
+            (!(SiS_CR36BIOSWord23d(SiS_Pr))) ) {
+           SiS_PanelDelay(SiS_Pr, 2);
+           SiS_SetRegSR11ANDOR(SiS_Pr,0xFB,0x04);
         }
 
 #endif  /* SIS300 */
@@ -4110,113 +4180,113 @@ SiS_DisableBridge(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
 
 #ifdef SIS315H  /* 315 series */
 
-        if(!(SiS_IsNotM650orLater(SiS_Pr,HwInfo))) {
-           if(HwInfo->jChipType < SIS_340) {
-              SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x4c,~0x18);
-           }
-        }
+        if(!(SiS_IsNotM650orLater(SiS_Pr))) {
+           /*if(SiS_Pr->ChipType < SIS_340) { */ /* XGI needs this */
+              SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x4c,~0x18);
+           /* } */
+        }
 
         if(SiS_Pr->SiS_IF_DEF_CH70xx != 0) {
 
-           if(HwInfo->jChipType == SIS_740) {
+           if(SiS_Pr->ChipType == SIS_740) {
               temp = SiS_GetCH701x(SiS_Pr,0x61);
               if(temp < 1) {
-                 SiS_SetCH701x(SiS_Pr,0xac76);
-                 SiS_SetCH701x(SiS_Pr,0x0066);
+                 SiS_SetCH701x(SiS_Pr,0x76,0xac);
+                 SiS_SetCH701x(SiS_Pr,0x66,0x00);
               }
 
-              if( (!(SiS_IsDualEdge(SiS_Pr,HwInfo))) ||
-                  (SiS_IsTVOrYPbPrOrScart(SiS_Pr,HwInfo)) ) {
-                 SiS_SetCH701x(SiS_Pr,0x3e49);
+              if( (!(SiS_IsDualEdge(SiS_Pr))) ||
+                  (SiS_IsTVOrYPbPrOrScart(SiS_Pr)) ) {
+                 SiS_SetCH701x(SiS_Pr,0x49,0x3e);
               }
            }
 
-           if( (!(SiS_IsDualEdge(SiS_Pr,HwInfo))) ||
-               (SiS_IsVAMode(SiS_Pr,HwInfo)) ) {
+           if( (!(SiS_IsDualEdge(SiS_Pr))) ||
+               (SiS_IsVAMode(SiS_Pr)) ) {
               SiS_Chrontel701xBLOff(SiS_Pr);
-              SiS_Chrontel701xOff(SiS_Pr,HwInfo);
+              SiS_Chrontel701xOff(SiS_Pr);
            }
 
-           if(HwInfo->jChipType != SIS_740) {
-              if( (!(SiS_IsDualEdge(SiS_Pr,HwInfo))) ||
-                  (SiS_IsTVOrYPbPrOrScart(SiS_Pr,HwInfo)) ) {
-                 SiS_SetCH701x(SiS_Pr,0x0149);
-              }
+           if(SiS_Pr->ChipType != SIS_740) {
+              if( (!(SiS_IsDualEdge(SiS_Pr))) ||
+                  (SiS_IsTVOrYPbPrOrScart(SiS_Pr)) ) {
+                 SiS_SetCH701x(SiS_Pr,0x49,0x01);
+              }
            }
 
         }
 
         if(SiS_Pr->SiS_IF_DEF_CH70xx == 0) {
-           SiS_SetRegSR11ANDOR(SiS_Pr,HwInfo,0xF7,0x08);
-           SiS_PanelDelay(SiS_Pr, HwInfo, 3);
+           SiS_SetRegSR11ANDOR(SiS_Pr,0xF7,0x08);
+           SiS_PanelDelay(SiS_Pr, 3);
         }
 
         if( (SiS_Pr->SiS_IF_DEF_CH70xx == 0)   ||
-            (!(SiS_IsDualEdge(SiS_Pr,HwInfo))) ||
-            (!(SiS_IsTVOrYPbPrOrScart(SiS_Pr,HwInfo))) ) {
+            (!(SiS_IsDualEdge(SiS_Pr))) ||
+            (!(SiS_IsTVOrYPbPrOrScart(SiS_Pr))) ) {
            SiS_DisplayOff(SiS_Pr);
         }
 
         if( (SiS_Pr->SiS_IF_DEF_CH70xx == 0)   ||
-            (!(SiS_IsDualEdge(SiS_Pr,HwInfo))) ||
-            (!(SiS_IsVAMode(SiS_Pr,HwInfo))) ) {
+            (!(SiS_IsDualEdge(SiS_Pr))) ||
+            (!(SiS_IsVAMode(SiS_Pr))) ) {
            SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x00,0x80);
         }
 
-        if(HwInfo->jChipType == SIS_740) {
+        if(SiS_Pr->ChipType == SIS_740) {
            SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x2e,0x7f);
         }
 
         SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x32,0xDF);
 
         if( (SiS_Pr->SiS_IF_DEF_CH70xx == 0)   ||
-            (!(SiS_IsDualEdge(SiS_Pr,HwInfo))) ||
-            (!(SiS_IsVAMode(SiS_Pr,HwInfo))) ) {
+            (!(SiS_IsDualEdge(SiS_Pr))) ||
+            (!(SiS_IsVAMode(SiS_Pr))) ) {
            SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x1E,0xDF);
         }
 
         if(SiS_Pr->SiS_IF_DEF_CH70xx == 0) {
-           if(SiS_CRT2IsLCD(SiS_Pr, HwInfo)) {
+           if(SiS_CRT2IsLCD(SiS_Pr)) {
               SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x1e,0xdf);
-              if(HwInfo->jChipType == SIS_550) {
-                 SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x1e,0xbf);
-                 SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x1e,0xef);
+              if(SiS_Pr->ChipType == SIS_550) {
+                 SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x1e,0xbf);
+                 SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x1e,0xef);
               }
            }
         } else {
-           if(HwInfo->jChipType == SIS_740) {
-              if(SiS_IsLCDOrLCDA(SiS_Pr,HwInfo)) {
-                 SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x1e,0xdf);
+           if(SiS_Pr->ChipType == SIS_740) {
+              if(SiS_IsLCDOrLCDA(SiS_Pr)) {
+                 SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x1e,0xdf);
               }
-           } else if(SiS_IsVAMode(SiS_Pr,HwInfo)) {
+           } else if(SiS_IsVAMode(SiS_Pr)) {
               SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x1e,0xdf);
            }
         }
 
         if(SiS_Pr->SiS_IF_DEF_CH70xx != 0) {
-           if(SiS_IsDualEdge(SiS_Pr,HwInfo)) {
+           if(SiS_IsDualEdge(SiS_Pr)) {
               /* SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x13,0xff); */
            } else {
               SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x13,0xfb);
            }
         }
 
-        SiS_UnLockCRT2(SiS_Pr,HwInfo);
+        SiS_UnLockCRT2(SiS_Pr);
 
-        if(HwInfo->jChipType == SIS_550) {
+        if(SiS_Pr->ChipType == SIS_550) {
            SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x01,0x80); /* DirectDVD PAL?*/
            SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x02,0x40); /* VB clock / 4 ? */
         } else if( (SiS_Pr->SiS_IF_DEF_CH70xx == 0)   ||
-                   (!(SiS_IsDualEdge(SiS_Pr,HwInfo))) ||
-                   (!(SiS_IsVAMode(SiS_Pr,HwInfo))) ) {
+                   (!(SiS_IsDualEdge(SiS_Pr))) ||
+                   (!(SiS_IsVAMode(SiS_Pr))) ) {
            SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x2e,0xf7);
         }
 
         if(SiS_Pr->SiS_IF_DEF_CH70xx == 0) {
-           if(SiS_CRT2IsLCD(SiS_Pr, HwInfo)) {
-              if(!(SiS_WeHaveBacklightCtrl(SiS_Pr,HwInfo))) {
-                 SiS_PanelDelay(SiS_Pr, HwInfo, 2);
-                 SiS_SetRegSR11ANDOR(SiS_Pr,HwInfo,0xFB,0x04);
+           if(SiS_CRT2IsLCD(SiS_Pr)) {
+              if(!(SiS_WeHaveBacklightCtrl(SiS_Pr))) {
+                 SiS_PanelDelay(SiS_Pr, 2);
+                 SiS_SetRegSR11ANDOR(SiS_Pr,0xFB,0x04);
               }
            }
         }
@@ -4237,78 +4307,81 @@ SiS_DisableBridge(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
  * from outside the context of a mode switch!
  * MUST call getVBType before calling this
  */
-static void
-SiS_EnableBridge(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+#ifdef SIS_LINUX_KERNEL
+static
+#endif
+void
+SiS_EnableBridge(struct SiS_Private *SiS_Pr)
 {
-  USHORT temp=0,tempah;
+  unsigned short temp=0, tempah;
 #ifdef SIS315H
-  USHORT temp1,pushax=0;
+  unsigned short temp1, pushax=0;
   BOOLEAN delaylong = FALSE;
 #endif
 
   if(SiS_Pr->SiS_VBType & VB_SISVB) {
 
-    if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {   /* ====== For 301B et al  ====== */
+    if(SiS_Pr->SiS_VBType & VB_SIS30xBLV) {             /* ====== For 301B et al  ====== */
 
-      if(HwInfo->jChipType < SIS_315H) {
+      if(SiS_Pr->ChipType < SIS_315H) {
 
 #ifdef SIS300     /* 300 series */
 
-         if(SiS_CRT2IsLCD(SiS_Pr, HwInfo)) {
-            if(SiS_Pr->SiS_VBType & VB_SIS301LV302LV) {
+         if(SiS_CRT2IsLCD(SiS_Pr)) {
+            if(SiS_Pr->SiS_VBType & VB_SISLVDS) {
                SiS_SetRegOR(SiS_Pr->SiS_Part4Port,0x26,0x02);
             } else if(SiS_Pr->SiS_VBType & VB_NoLCD) {
-               SiS_SetRegSR11ANDOR(SiS_Pr,HwInfo,0xFB,0x00);
+               SiS_SetRegSR11ANDOR(SiS_Pr,0xFB,0x00);
             }
-            if(SiS_Pr->SiS_VBType & (VB_SIS301LV302LV | VB_NoLCD)) {
-               if(!(SiS_CR36BIOSWord23d(SiS_Pr, HwInfo))) {
-                  SiS_PanelDelay(SiS_Pr, HwInfo, 0);
+            if(SiS_Pr->SiS_VBType & (VB_SISLVDS | VB_NoLCD)) {
+               if(!(SiS_CR36BIOSWord23d(SiS_Pr))) {
+                  SiS_PanelDelay(SiS_Pr, 0);
                }
             }
          }
 
          if((SiS_Pr->SiS_VBType & VB_NoLCD) &&
-            (SiS_CRT2IsLCD(SiS_Pr, HwInfo))) {
+            (SiS_CRT2IsLCD(SiS_Pr))) {
 
             SiS_SetRegOR(SiS_Pr->SiS_P3c4,0x1E,0x20);                   /* Enable CRT2 */
-            SiS_DisplayOn(SiS_Pr);
-            SiS_UnLockCRT2(SiS_Pr,HwInfo);
+            SiS_DisplayOn(SiS_Pr);
+            SiS_UnLockCRT2(SiS_Pr);
             SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x02,0xBF);
             if(SiS_BridgeInSlavemode(SiS_Pr)) {
-               SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x01,0x1F);
-            } else {
-               SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x01,0x1F,0x40);
-            }
+               SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x01,0x1F);
+            } else {
+               SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x01,0x1F,0x40);
+            }
             if(!(SiS_GetReg(SiS_Pr->SiS_P3c4,0x13) & 0x40)) {
                if(!(SiS_GetReg(SiS_Pr->SiS_P3c4,0x16) & 0x10)) {
-                  if(!(SiS_CR36BIOSWord23b(SiS_Pr,HwInfo))) {
-                     SiS_PanelDelay(SiS_Pr, HwInfo, 1);
-                  }
-                  SiS_WaitVBRetrace(SiS_Pr,HwInfo);
-                  SiS_SetRegSR11ANDOR(SiS_Pr,HwInfo,0xF7,0x00);
-               }
+                  if(!(SiS_CR36BIOSWord23b(SiS_Pr))) {
+                     SiS_PanelDelay(SiS_Pr, 1);
+                  }
+                  SiS_WaitVBRetrace(SiS_Pr);
+                  SiS_SetRegSR11ANDOR(SiS_Pr,0xF7,0x00);
+               }
             }
 
          } else {
 
             temp = SiS_GetReg(SiS_Pr->SiS_P3c4,0x32) & 0xDF;             /* lock mode */
-            if(SiS_BridgeInSlavemode(SiS_Pr)) {
-               tempah = SiS_GetReg(SiS_Pr->SiS_P3d4,0x30);
-               if(!(tempah & SetCRT2ToRAMDAC)) temp |= 0x20;
-            }
-            SiS_SetReg(SiS_Pr->SiS_P3c4,0x32,temp);
+            if(SiS_BridgeInSlavemode(SiS_Pr)) {
+               tempah = SiS_GetReg(SiS_Pr->SiS_P3d4,0x30);
+               if(!(tempah & SetCRT2ToRAMDAC)) temp |= 0x20;
+            }
+            SiS_SetReg(SiS_Pr->SiS_P3c4,0x32,temp);
             SiS_SetRegOR(SiS_Pr->SiS_P3c4,0x1E,0x20);
             SiS_SetRegANDOR(SiS_Pr->SiS_Part2Port,0x00,0x1F,0x20);        /* enable VB processor */
             SiS_SetRegOR(SiS_Pr->SiS_Part4Port,0x1F,0xC0);
             SiS_DisplayOn(SiS_Pr);
-            if(SiS_Pr->SiS_VBType & VB_SIS301LV302LV) {
-               if(SiS_CRT2IsLCD(SiS_Pr, HwInfo)) {
-                  if(!(SiS_GetReg(SiS_Pr->SiS_P3c4,0x16) & 0x10)) {
-                     if(!(SiS_CR36BIOSWord23b(SiS_Pr,HwInfo))) {
-                        SiS_PanelDelay(SiS_Pr, HwInfo, 1);
-                     }
+            if(SiS_Pr->SiS_VBType & VB_SISLVDS) {
+               if(SiS_CRT2IsLCD(SiS_Pr)) {
+                  if(!(SiS_GetReg(SiS_Pr->SiS_P3c4,0x16) & 0x10)) {
+                     if(!(SiS_CR36BIOSWord23b(SiS_Pr))) {
+                        SiS_PanelDelay(SiS_Pr, 1);
+                     }
                      SiS_SetRegOR(SiS_Pr->SiS_Part4Port,0x26,0x01);
-                  }
+                  }
                }
             }
 
@@ -4322,31 +4395,32 @@ SiS_EnableBridge(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
 #ifdef SIS315H    /* 315 series */
 
 #ifdef SET_EMI
-         UCHAR   r30=0, r31=0, r32=0, r33=0, cr36=0;
-         /* USHORT  emidelay=0; */
+         unsigned char   r30=0, r31=0, r32=0, r33=0, cr36=0;
+         int didpwd = 0;
+         /* unsigned short  emidelay=0; */
 #endif
 
-         if(SiS_Pr->SiS_VBType & VB_SIS301LV302LV) {
+         if(SiS_Pr->SiS_VBType & VB_SISLVDS) {
             SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x1f,0xef);
 #ifdef SET_EMI
-            if(SiS_Pr->SiS_VBType & (VB_SIS302LV | VB_SIS302ELV)) {
+            if(SiS_Pr->SiS_VBType & VB_SISEMI) {
                SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x30,0x0c);
             }
 #endif
          }
 
-         if(!(SiS_IsNotM650orLater(SiS_Pr, HwInfo))) {
-            if(HwInfo->jChipType < SIS_340) {
+         if(!(SiS_IsNotM650orLater(SiS_Pr))) {
+            /*if(SiS_Pr->ChipType < SIS_340) { */
                tempah = 0x10;
-               if(SiS_LCDAEnabled(SiS_Pr, HwInfo)) {
-                  if(SiS_TVEnabled(SiS_Pr, HwInfo)) tempah = 0x18;
-                  else                              tempah = 0x08;
+               if(SiS_LCDAEnabled(SiS_Pr)) {
+                  if(SiS_TVEnabled(SiS_Pr)) tempah = 0x18;
+                  else                      tempah = 0x08;
                }
                SiS_SetReg(SiS_Pr->SiS_Part1Port,0x4c,tempah);
-            }
+            /*}*/
          }
 
-         if(SiS_Pr->SiS_VBType & VB_SIS301LV302LV) {
+         if(SiS_Pr->SiS_VBType & VB_SISLVDS) {
 
             SiS_SetRegByte(SiS_Pr->SiS_P3c6,0x00);
             SiS_DisplayOff(SiS_Pr);
@@ -4355,42 +4429,51 @@ SiS_EnableBridge(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
                SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x06,0xE3);
             }
 
-            if(SiS_IsVAorLCD(SiS_Pr, HwInfo)) {
-               if(!(SiS_GetReg(SiS_Pr->SiS_Part4Port,0x26) & 0x02)) {
-                  SiS_PanelDelayLoop(SiS_Pr, HwInfo, 3, 2);
-                  SiS_SetRegOR(SiS_Pr->SiS_Part4Port,0x26,0x02);
-                  SiS_PanelDelayLoop(SiS_Pr, HwInfo, 3, 2);
-                  if(SiS_Pr->SiS_VBType & (VB_SIS302LV | VB_SIS302ELV)) {
-                     SiS_GenericDelay(SiS_Pr, 0x4500);
+            didpwd = SiS_HandlePWD(SiS_Pr);
+
+            if(SiS_IsVAorLCD(SiS_Pr)) {
+               if(!didpwd) {
+                  if(!(SiS_GetReg(SiS_Pr->SiS_Part4Port,0x26) & 0x02)) {
+                     SiS_PanelDelayLoop(SiS_Pr, 3, 2);
+                     SiS_SetRegOR(SiS_Pr->SiS_Part4Port,0x26,0x02);
+                     SiS_PanelDelayLoop(SiS_Pr, 3, 2);
+                     if(SiS_Pr->SiS_VBType & VB_SISEMI) {
+                        SiS_GenericDelay(SiS_Pr, 17664);
+                     }
+                  }
+               } else {
+                  SiS_PanelDelayLoop(SiS_Pr, 3, 2);
+                  if(SiS_Pr->SiS_VBType & VB_SISEMI) {
+                     SiS_GenericDelay(SiS_Pr, 17664);
                   }
                }
             }
 
             if(!(SiS_GetReg(SiS_Pr->SiS_P3d4,0x31) & 0x40)) {
-               SiS_PanelDelayLoop(SiS_Pr, HwInfo, 3, 10);
+               SiS_PanelDelayLoop(SiS_Pr, 3, 10);
                delaylong = TRUE;
             }
 
          }
 
-         if(!(SiS_IsVAMode(SiS_Pr,HwInfo))) {
+         if(!(SiS_IsVAMode(SiS_Pr))) {
 
-            temp = SiS_GetReg(SiS_Pr->SiS_P3c4,0x32) & 0xDF;
+            temp = SiS_GetReg(SiS_Pr->SiS_P3c4,0x32) & 0xDF;
             if(SiS_BridgeInSlavemode(SiS_Pr)) {
-               tempah = SiS_GetReg(SiS_Pr->SiS_P3d4,0x30);
-               if(!(tempah & SetCRT2ToRAMDAC)) {
-                  if(!(SiS_LCDAEnabled(SiS_Pr, HwInfo))) temp |= 0x20;
+               tempah = SiS_GetReg(SiS_Pr->SiS_P3d4,0x30);
+               if(!(tempah & SetCRT2ToRAMDAC)) {
+                  if(!(SiS_LCDAEnabled(SiS_Pr))) temp |= 0x20;
                }
-            }
-            SiS_SetReg(SiS_Pr->SiS_P3c4,0x32,temp);
+            }
+            SiS_SetReg(SiS_Pr->SiS_P3c4,0x32,temp);
 
             SiS_SetRegOR(SiS_Pr->SiS_P3c4,0x1E,0x20);                   /* enable CRT2 */
 
             SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x2e,0x7f);
             SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x2e,0x80);
 
-            if(SiS_Pr->SiS_VBType & VB_SIS301LV302LV) {
-               SiS_PanelDelay(SiS_Pr, HwInfo, 2);
+            if(SiS_Pr->SiS_VBType & VB_SISLVDS) {
+               SiS_PanelDelay(SiS_Pr, 2);
             }
 
          } else {
@@ -4402,38 +4485,48 @@ SiS_EnableBridge(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
          SiS_SetRegANDOR(SiS_Pr->SiS_Part2Port,0x00,0x1f,0x20);
          SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x2e,0x80);
 
+         if(SiS_Pr->SiS_VBType & VB_SISPOWER) {
+            if( (SiS_LCDAEnabled(SiS_Pr)) ||
+                (SiS_CRT2IsLCD(SiS_Pr)) ) {
+               /* Enable "LVDS PLL power on" (even on 301C) */
+               SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x2a,0x7f);
+               /* Enable "LVDS Driver Power on" (even on 301C) */
+               SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x30,0x7f);
+            }
+         }
+
          tempah = 0xc0;
-         if(SiS_IsDualEdge(SiS_Pr, HwInfo)) {
+         if(SiS_IsDualEdge(SiS_Pr)) {
             tempah = 0x80;
-            if(!(SiS_IsVAMode(SiS_Pr, HwInfo))) tempah = 0x40;
+            if(!(SiS_IsVAMode(SiS_Pr))) tempah = 0x40;
          }
-         SiS_SetRegOR(SiS_Pr->SiS_Part4Port,0x1F,tempah);
+         SiS_SetRegOR(SiS_Pr->SiS_Part4Port,0x1F,tempah);
 
-         if(SiS_Pr->SiS_VBType & VB_SIS301LV302LV) {
+         if(SiS_Pr->SiS_VBType & VB_SISLVDS) {
 
-            SiS_PanelDelay(SiS_Pr, HwInfo, 2);
+            SiS_PanelDelay(SiS_Pr, 2);
 
             SiS_SetRegOR(SiS_Pr->SiS_Part4Port,0x1f,0x10);
             SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x2e,0x80);
 
             if(SiS_Pr->SiS_CustomT != CUT_CLEVO1400) {
 #ifdef SET_EMI
-               if(SiS_Pr->SiS_VBType & (VB_SIS302LV | VB_SIS302ELV)) {
-                  SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x30,0x0c);
-                  SiS_GenericDelay(SiS_Pr, 0x500);
+               if(SiS_Pr->SiS_VBType & VB_SISEMI) {
+                  SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x30,0x0c);
+                  SiS_GenericDelay(SiS_Pr, 2048);
                }
 #endif
                SiS_SetRegOR(SiS_Pr->SiS_Part4Port,0x27,0x0c);
 
-               if(SiS_Pr->SiS_VBType & (VB_SIS302LV | VB_SIS302ELV)) {
+               if(SiS_Pr->SiS_VBType & VB_SISEMI) {
 #ifdef SET_EMI
                   cr36 = SiS_GetReg(SiS_Pr->SiS_P3d4,0x36);
 
                   if(SiS_Pr->SiS_ROMNew) {
-                     UCHAR  *ROMAddr = HwInfo->pjVirtualRomBase;
-                     USHORT romptr = GetLCDStructPtr661_2(SiS_Pr, HwInfo);
+                     unsigned char  *ROMAddr = SiS_Pr->VirtualRomBase;
+                     unsigned short romptr = GetLCDStructPtr661_2(SiS_Pr);
                      if(romptr) {
-                        SiS_SetRegOR(SiS_Pr->SiS_Part4Port,0x30,0x20); /* Reset */
+                        SiS_SetRegOR(SiS_Pr->SiS_Part4Port,0x30,0x20); /* Reset */
                         SiS_Pr->EMI_30 = 0;
                         SiS_Pr->EMI_31 = ROMAddr[romptr + SiS_Pr->SiS_EMIOffset + 0];
                         SiS_Pr->EMI_32 = ROMAddr[romptr + SiS_Pr->SiS_EMIOffset + 1];
@@ -4511,21 +4604,21 @@ SiS_EnableBridge(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
                   if(!SiS_Pr->OverruleEMI) {
 #ifdef COMPAL_HACK
                      if(SiS_Pr->SiS_CustomT == CUT_COMPAL1400_2) {
-                        if((cr36 & 0x0f) == 0x09) {
+                        if((cr36 & 0x0f) == 0x09) {
                            r30 = 0x60; r31 = 0x05; r32 = 0x60; r33 = 0x00;
                         }
                      }
 #endif
 #ifdef COMPAQ_HACK
                      if(SiS_Pr->SiS_CustomT == CUT_COMPAQ1280) {
-                        if((cr36 & 0x0f) == 0x03) {
+                        if((cr36 & 0x0f) == 0x03) {
                            r30 = 0x20; r31 = 0x12; r32 = 0xd0; r33 = 0x6b;
                         }
                      }
 #endif
 #ifdef ASUS_HACK
                      if(SiS_Pr->SiS_CustomT == CUT_ASUSA2H_2) {
-                        if((cr36 & 0x0f) == 0x02) {
+                        if((cr36 & 0x0f) == 0x02) {
                            /* r30 = 0x60; r31 = 0x05; r32 = 0x60; r33 = 0x33;  */   /* rev 2 */
                            /* r30 = 0x20; r31 = 0x05; r32 = 0x60; r33 = 0x33;  */   /* rev 3 */
                            /* r30 = 0x60; r31 = 0x0d; r32 = 0x70; r33 = 0x40;  */   /* rev 4 */
@@ -4533,11 +4626,11 @@ SiS_EnableBridge(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
                         }
                      }
 #endif
-                  }
+                  }
 
                   if(!(SiS_Pr->OverruleEMI && (!r30) && (!r31) && (!r32) && (!r33))) {
                      SiS_SetRegOR(SiS_Pr->SiS_Part4Port,0x30,0x20); /* Reset */
-                     SiS_GenericDelay(SiS_Pr, 0x500);
+                     SiS_GenericDelay(SiS_Pr, 2048);
                   }
                   SiS_SetReg(SiS_Pr->SiS_Part4Port,0x31,r31);
                   SiS_SetReg(SiS_Pr->SiS_Part4Port,0x32,r32);
@@ -4547,36 +4640,44 @@ SiS_EnableBridge(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
                   SiS_SetReg(SiS_Pr->SiS_Part4Port,0x34,0x10);
 
 #ifdef SET_EMI
-                  if( (SiS_LCDAEnabled(SiS_Pr, HwInfo)) ||
-                      (SiS_CRT2IsLCD(SiS_Pr, HwInfo)) ) {
-                     if(r30 & 0x40) {
-                        SiS_PanelDelayLoop(SiS_Pr, HwInfo, 3, 5);
+                  if( (SiS_LCDAEnabled(SiS_Pr)) ||
+                      (SiS_CRT2IsLCD(SiS_Pr)) ) {
+                     if(r30 & 0x40) {
+                        /*SiS_SetRegOR(SiS_Pr->SiS_Part4Port,0x2a,0x80);*/
+                        SiS_PanelDelayLoop(SiS_Pr, 3, 5);
                         if(delaylong) {
-                           SiS_PanelDelayLoop(SiS_Pr, HwInfo, 3, 5);
+                           SiS_PanelDelayLoop(SiS_Pr, 3, 5);
                            delaylong = FALSE;
                         }
-                        SiS_WaitVBRetrace(SiS_Pr,HwInfo);
+                        SiS_WaitVBRetrace(SiS_Pr);
+                        SiS_WaitVBRetrace(SiS_Pr);
                         if(SiS_Pr->SiS_CustomT == CUT_ASUSA2H_2) {
-                           SiS_GenericDelay(SiS_Pr, 0x500);
+                           SiS_GenericDelay(SiS_Pr, 1280);
                         }
-                        SiS_SetRegOR(SiS_Pr->SiS_Part4Port,0x30,0x40);   /* Enable */
-                     }
+                        SiS_SetRegOR(SiS_Pr->SiS_Part4Port,0x30,0x40);   /* Enable */
+                        /*SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x2a,0x7f);*/
+                     }
                   }
 #endif
                }
             }
 
-            if(!(SiS_WeHaveBacklightCtrl(SiS_Pr,HwInfo))) {
-               if(SiS_IsVAorLCD(SiS_Pr, HwInfo)) {
-                  SiS_PanelDelayLoop(SiS_Pr, HwInfo, 3, 10);
+            if(!(SiS_WeHaveBacklightCtrl(SiS_Pr))) {
+               if(SiS_IsVAorLCD(SiS_Pr)) {
+                  SiS_PanelDelayLoop(SiS_Pr, 3, 10);
                   if(delaylong) {
-                     SiS_PanelDelayLoop(SiS_Pr, HwInfo, 3, 10);
+                     SiS_PanelDelayLoop(SiS_Pr, 3, 10);
                   }
-                  SiS_WaitVBRetrace(SiS_Pr,HwInfo);
-                  if(SiS_Pr->SiS_VBType & (VB_SIS302LV | VB_SIS302ELV)) {
-                     SiS_GenericDelay(SiS_Pr, 0x500);
+                  SiS_WaitVBRetrace(SiS_Pr);
+                  if(SiS_Pr->SiS_VBType & VB_SISEMI) {
+                     SiS_GenericDelay(SiS_Pr, 2048);
+                     SiS_WaitVBRetrace(SiS_Pr);
+                  }
+                  if(!didpwd) {
+                     SiS_SetRegOR(SiS_Pr->SiS_Part4Port,0x26,0x01);
+                  } else {
+                     SiS_SetRegOR(SiS_Pr->SiS_Part4Port,0x26,0x03);
                   }
-                  SiS_SetRegOR(SiS_Pr->SiS_Part4Port,0x26,0x01);
                }
             }
 
@@ -4586,7 +4687,7 @@ SiS_EnableBridge(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
 
          }
 
-         if(!(SiS_WeHaveBacklightCtrl(SiS_Pr,HwInfo))) {
+         if(!(SiS_WeHaveBacklightCtrl(SiS_Pr))) {
             SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x00,0x7f);
          }
 
@@ -4596,26 +4697,26 @@ SiS_EnableBridge(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
 
     } else {    /* ============  For 301 ================ */
 
-       if(HwInfo->jChipType < SIS_315H) {
-          if(SiS_CRT2IsLCD(SiS_Pr, HwInfo)) {
-             SiS_SetRegSR11ANDOR(SiS_Pr,HwInfo,0xFB,0x00);
-             SiS_PanelDelay(SiS_Pr, HwInfo, 0);
+       if(SiS_Pr->ChipType < SIS_315H) {
+          if(SiS_CRT2IsLCD(SiS_Pr)) {
+             SiS_SetRegSR11ANDOR(SiS_Pr,0xFB,0x00);
+             SiS_PanelDelay(SiS_Pr, 0);
           }
        }
 
        temp = SiS_GetReg(SiS_Pr->SiS_P3c4,0x32) & 0xDF;          /* lock mode */
        if(SiS_BridgeInSlavemode(SiS_Pr)) {
-          tempah = SiS_GetReg(SiS_Pr->SiS_P3d4,0x30);
-          if(!(tempah & SetCRT2ToRAMDAC)) temp |= 0x20;
+          tempah = SiS_GetReg(SiS_Pr->SiS_P3d4,0x30);
+          if(!(tempah & SetCRT2ToRAMDAC)) temp |= 0x20;
        }
        SiS_SetReg(SiS_Pr->SiS_P3c4,0x32,temp);
 
        SiS_SetRegOR(SiS_Pr->SiS_P3c4,0x1E,0x20);                  /* enable CRT2 */
 
-       if(HwInfo->jChipType >= SIS_315H) {
-          temp = SiS_GetReg(SiS_Pr->SiS_Part1Port,0x2E);
-          if(!(temp & 0x80)) {
-             SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x2E,0x80);         /* BVBDOENABLE=1 */
+       if(SiS_Pr->ChipType >= SIS_315H) {
+          temp = SiS_GetReg(SiS_Pr->SiS_Part1Port,0x2E);
+          if(!(temp & 0x80)) {
+             SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x2E,0x80);         /* BVBDOENABLE=1 */
           }
        }
 
@@ -4623,15 +4724,15 @@ SiS_EnableBridge(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
 
        SiS_VBLongWait(SiS_Pr);
        SiS_DisplayOn(SiS_Pr);
-       if(HwInfo->jChipType >= SIS_315H) {
-          SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x00,0x7f);
+       if(SiS_Pr->ChipType >= SIS_315H) {
+          SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x00,0x7f);
        }
        SiS_VBLongWait(SiS_Pr);
 
-       if(HwInfo->jChipType < SIS_315H) {
-          if(SiS_CRT2IsLCD(SiS_Pr, HwInfo)) {
-             SiS_PanelDelay(SiS_Pr, HwInfo, 1);
-             SiS_SetRegSR11ANDOR(SiS_Pr,HwInfo,0xF7,0x00);
+       if(SiS_Pr->ChipType < SIS_315H) {
+          if(SiS_CRT2IsLCD(SiS_Pr)) {
+             SiS_PanelDelay(SiS_Pr, 1);
+             SiS_SetRegSR11ANDOR(SiS_Pr,0xF7,0x00);
           }
        }
 
@@ -4639,49 +4740,49 @@ SiS_EnableBridge(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
 
   } else {   /* =================== For LVDS ================== */
 
-    if(HwInfo->jChipType < SIS_315H) {
+    if(SiS_Pr->ChipType < SIS_315H) {
 
 #ifdef SIS300    /* 300 series */
 
-       if(SiS_CRT2IsLCD(SiS_Pr, HwInfo)) {
-          if(HwInfo->jChipType == SIS_730) {
-             SiS_PanelDelay(SiS_Pr, HwInfo, 1);
-             SiS_PanelDelay(SiS_Pr, HwInfo, 1);
-             SiS_PanelDelay(SiS_Pr, HwInfo, 1);
+       if(SiS_CRT2IsLCD(SiS_Pr)) {
+          if(SiS_Pr->ChipType == SIS_730) {
+             SiS_PanelDelay(SiS_Pr, 1);
+             SiS_PanelDelay(SiS_Pr, 1);
+             SiS_PanelDelay(SiS_Pr, 1);
           }
-          SiS_SetRegSR11ANDOR(SiS_Pr,HwInfo,0xFB,0x00);
-          if(!(SiS_CR36BIOSWord23d(SiS_Pr,HwInfo))) {
-             SiS_PanelDelay(SiS_Pr, HwInfo, 0);
+          SiS_SetRegSR11ANDOR(SiS_Pr,0xFB,0x00);
+          if(!(SiS_CR36BIOSWord23d(SiS_Pr))) {
+             SiS_PanelDelay(SiS_Pr, 0);
           }
        }
 
        SiS_SetRegOR(SiS_Pr->SiS_P3c4,0x1E,0x20);
        SiS_DisplayOn(SiS_Pr);
-       SiS_UnLockCRT2(SiS_Pr,HwInfo);
+       SiS_UnLockCRT2(SiS_Pr);
        SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x02,0xBF);
        if(SiS_BridgeInSlavemode(SiS_Pr)) {
-          SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x01,0x1F);
+          SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x01,0x1F);
        } else {
-          SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x01,0x1F,0x40);
+          SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x01,0x1F,0x40);
        }
 
        if(SiS_Pr->SiS_IF_DEF_CH70xx == 1) {
-          if(!(SiS_CRT2IsLCD(SiS_Pr, HwInfo))) {
-             SiS_WaitVBRetrace(SiS_Pr, HwInfo);
-             SiS_SetCH700x(SiS_Pr,0x0B0E);
-          }
+          if(!(SiS_CRT2IsLCD(SiS_Pr))) {
+             SiS_WaitVBRetrace(SiS_Pr);
+             SiS_SetCH700x(SiS_Pr,0x0E,0x0B);
+          }
        }
 
-       if(SiS_CRT2IsLCD(SiS_Pr, HwInfo)) {
-          if(!(SiS_GetReg(SiS_Pr->SiS_P3c4,0x13) & 0x40)) {
-             if(!(SiS_GetReg(SiS_Pr->SiS_P3c4,0x16) & 0x10)) {
-                if(!(SiS_CR36BIOSWord23b(SiS_Pr,HwInfo))) {
-                   SiS_PanelDelay(SiS_Pr, HwInfo, 1);
-                   SiS_PanelDelay(SiS_Pr, HwInfo, 1);
-                }
-                SiS_WaitVBRetrace(SiS_Pr, HwInfo);
-                SiS_SetRegSR11ANDOR(SiS_Pr,HwInfo,0xF7,0x00);
-             }
+       if(SiS_CRT2IsLCD(SiS_Pr)) {
+          if(!(SiS_GetReg(SiS_Pr->SiS_P3c4,0x13) & 0x40)) {
+             if(!(SiS_GetReg(SiS_Pr->SiS_P3c4,0x16) & 0x10)) {
+                if(!(SiS_CR36BIOSWord23b(SiS_Pr))) {
+                   SiS_PanelDelay(SiS_Pr, 1);
+                   SiS_PanelDelay(SiS_Pr, 1);
+                }
+                SiS_WaitVBRetrace(SiS_Pr);
+                SiS_SetRegSR11ANDOR(SiS_Pr,0xF7,0x00);
+             }
           }
        }
 
@@ -4691,94 +4792,94 @@ SiS_EnableBridge(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
 
 #ifdef SIS315H    /* 315 series */
 
-       if(!(SiS_IsNotM650orLater(SiS_Pr,HwInfo))) {
-          if(HwInfo->jChipType < SIS_340) {
-             SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x4c,0x18);
-          }
+       if(!(SiS_IsNotM650orLater(SiS_Pr))) {
+          /*if(SiS_Pr->ChipType < SIS_340) {*/  /* XGI needs this */
+             SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x4c,0x18);
+          /*}*/
        }
 
        if(SiS_Pr->SiS_IF_DEF_CH70xx == 0) {
-          if(SiS_CRT2IsLCD(SiS_Pr, HwInfo)) {
-             SiS_SetRegSR11ANDOR(SiS_Pr,HwInfo,0xFB,0x00);
-             SiS_PanelDelay(SiS_Pr, HwInfo, 0);
-          }
+          if(SiS_CRT2IsLCD(SiS_Pr)) {
+             SiS_SetRegSR11ANDOR(SiS_Pr,0xFB,0x00);
+             SiS_PanelDelay(SiS_Pr, 0);
+          }
        }
 
        SiS_SetRegOR(SiS_Pr->SiS_P3c4,0x1E,0x20);
-       SiS_UnLockCRT2(SiS_Pr,HwInfo);
+       SiS_UnLockCRT2(SiS_Pr);
 
        SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x2e,0xf7);
 
        if(SiS_Pr->SiS_IF_DEF_CH70xx == 2) {
-          temp = SiS_GetCH701x(SiS_Pr,0x66);
+          temp = SiS_GetCH701x(SiS_Pr,0x66);
           temp &= 0x20;
           SiS_Chrontel701xBLOff(SiS_Pr);
        }
 
-       if(HwInfo->jChipType != SIS_550) {
-          SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x2e,0x7f);
+       if(SiS_Pr->ChipType != SIS_550) {
+          SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x2e,0x7f);
        }
 
-       if(HwInfo->jChipType == SIS_740) {
-          if(SiS_Pr->SiS_IF_DEF_CH70xx == 2) {
-             if(SiS_IsLCDOrLCDA(SiS_Pr, HwInfo)) {
-                SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x1E,0x20);
+       if(SiS_Pr->ChipType == SIS_740) {
+          if(SiS_Pr->SiS_IF_DEF_CH70xx == 2) {
+             if(SiS_IsLCDOrLCDA(SiS_Pr)) {
+                SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x1E,0x20);
              }
           }
        }
 
        temp1 = SiS_GetReg(SiS_Pr->SiS_Part1Port,0x2E);
        if(!(temp1 & 0x80)) {
-          SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x2E,0x80);
+          SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x2E,0x80);
        }
 
        if(SiS_Pr->SiS_IF_DEF_CH70xx == 2) {
-          if(temp) {
-             SiS_Chrontel701xBLOn(SiS_Pr, HwInfo);
+          if(temp) {
+             SiS_Chrontel701xBLOn(SiS_Pr);
           }
        }
 
        if(SiS_Pr->SiS_IF_DEF_CH70xx == 0) {
-          if(SiS_CRT2IsLCD(SiS_Pr, HwInfo)) {
+          if(SiS_CRT2IsLCD(SiS_Pr)) {
              SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x1E,0x20);
-             if(HwInfo->jChipType == SIS_550) {
+             if(SiS_Pr->ChipType == SIS_550) {
                 SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x1E,0x40);
                 SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x1E,0x10);
              }
           }
-       } else if(SiS_IsVAMode(SiS_Pr,HwInfo)) {
-          if(HwInfo->jChipType != SIS_740) {
-             SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x1E,0x20);
+       } else if(SiS_IsVAMode(SiS_Pr)) {
+          if(SiS_Pr->ChipType != SIS_740) {
+             SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x1E,0x20);
           }
        }
 
-       if(!(SiS_WeHaveBacklightCtrl(SiS_Pr,HwInfo))) {
-          SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x00,0x7f);
+       if(!(SiS_WeHaveBacklightCtrl(SiS_Pr))) {
+          SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x00,0x7f);
        }
 
        if(SiS_Pr->SiS_IF_DEF_CH70xx == 2) {
-          if(SiS_IsTVOrYPbPrOrScart(SiS_Pr,HwInfo)) {
-             SiS_Chrontel701xOn(SiS_Pr,HwInfo);
-          }
-          if( (SiS_IsVAMode(SiS_Pr,HwInfo)) ||
-              (SiS_IsLCDOrLCDA(SiS_Pr,HwInfo)) ) {
-             SiS_ChrontelDoSomething1(SiS_Pr,HwInfo);
-          }
+          if(SiS_IsTVOrYPbPrOrScart(SiS_Pr)) {
+             SiS_Chrontel701xOn(SiS_Pr);
+          }
+          if( (SiS_IsVAMode(SiS_Pr)) ||
+              (SiS_IsLCDOrLCDA(SiS_Pr)) ) {
+             SiS_ChrontelDoSomething1(SiS_Pr);
+          }
        }
 
        if(SiS_Pr->SiS_IF_DEF_CH70xx == 2) {
-          if(!(SiS_WeHaveBacklightCtrl(SiS_Pr,HwInfo))) {
-             if( (SiS_IsVAMode(SiS_Pr,HwInfo)) ||
-                 (SiS_IsLCDOrLCDA(SiS_Pr,HwInfo)) ) {
-                SiS_Chrontel701xBLOn(SiS_Pr, HwInfo);
-                SiS_ChrontelInitTVVSync(SiS_Pr,HwInfo);
-             }
-          }
+          if(!(SiS_WeHaveBacklightCtrl(SiS_Pr))) {
+             if( (SiS_IsVAMode(SiS_Pr)) ||
+                 (SiS_IsLCDOrLCDA(SiS_Pr)) ) {
+                SiS_Chrontel701xBLOn(SiS_Pr);
+                SiS_ChrontelInitTVVSync(SiS_Pr);
+             }
+          }
        } else if(SiS_Pr->SiS_IF_DEF_CH70xx == 0) {
-          if(!(SiS_WeHaveBacklightCtrl(SiS_Pr,HwInfo))) {
-             if(SiS_CRT2IsLCD(SiS_Pr, HwInfo)) {
-                SiS_PanelDelay(SiS_Pr, HwInfo, 1);
-                SiS_SetRegSR11ANDOR(SiS_Pr,HwInfo,0xF7,0x00);
+          if(!(SiS_WeHaveBacklightCtrl(SiS_Pr))) {
+             if(SiS_CRT2IsLCD(SiS_Pr)) {
+                SiS_PanelDelay(SiS_Pr, 1);
+                SiS_SetRegSR11ANDOR(SiS_Pr,0xF7,0x00);
              }
           }
        }
@@ -4797,243 +4898,204 @@ SiS_EnableBridge(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
 
 /* Set CRT2 OFFSET / PITCH */
 static void
-SiS_SetCRT2Offset(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
-                  USHORT RRTI, PSIS_HW_INFO HwInfo)
+SiS_SetCRT2Offset(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex,
+                unsigned short RRTI)
 {
-  USHORT offset;
-  UCHAR temp;
+   unsigned short offset;
+   unsigned char  temp;
 
-  if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) return;
+   if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) return;
 
-  offset = SiS_GetOffset(SiS_Pr,ModeNo,ModeIdIndex,RRTI,HwInfo);
+   offset = SiS_GetOffset(SiS_Pr,ModeNo,ModeIdIndex,RRTI);
 
-  if((SiS_Pr->SiS_LCDResInfo == Panel_640x480_2) ||
-     (SiS_Pr->SiS_LCDResInfo == Panel_640x480_3)) {
-     offset >>= 1;
-  }
+   SiS_SetReg(SiS_Pr->SiS_Part1Port,0x07,(offset & 0xFF));
+   SiS_SetReg(SiS_Pr->SiS_Part1Port,0x09,(offset >> 8));
 
-  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x07,(offset & 0xFF));
-  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x09,(offset >> 8));
-  temp = (UCHAR)(((offset >> 3) & 0xFF) + 1);
-  if(offset % 8) temp++;
-  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x03,temp);
+   temp = (unsigned char)(((offset >> 3) & 0xFF) + 1);
+   if(offset & 0x07) temp++;
+   SiS_SetReg(SiS_Pr->SiS_Part1Port,0x03,temp);
 }
 
 /* Set CRT2 sync and PanelLink mode */
 static void
-SiS_SetCRT2Sync(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT RefreshRateTableIndex,
-                PSIS_HW_INFO HwInfo)
+SiS_SetCRT2Sync(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short RefreshRateTableIndex)
 {
-  USHORT tempah=0,tempbl,infoflag;
+   unsigned short tempah=0, tempbl, infoflag;
 
-  tempbl = 0xC0;
+   tempbl = 0xC0;
 
-  if(SiS_Pr->UseCustomMode) {
-     infoflag = SiS_Pr->CInfoFlag;
-  } else {
-     infoflag = SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_InfoFlag;
-  }
+   if(SiS_Pr->UseCustomMode) {
+      infoflag = SiS_Pr->CInfoFlag;
+   } else {
+      infoflag = SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_InfoFlag;
+   }
 
-  if(SiS_Pr->SiS_IF_DEF_LVDS == 1) {                                    /* LVDS */
+   if(SiS_Pr->SiS_IF_DEF_LVDS == 1) {                                   /* LVDS */
 
-     if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
-        tempah = 0;
-     } else if((SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) && (SiS_Pr->SiS_LCDInfo & LCDSync)) {
-        tempah = SiS_Pr->SiS_LCDInfo;
-     } else tempah = infoflag >> 8;
-     tempah &= 0xC0;
-     tempah |= 0x20;
-     if(!(SiS_Pr->SiS_LCDInfo & LCDRGB18Bit)) tempah |= 0x10;
-     if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {
-        if((SiS_Pr->SiS_CustomT == CUT_BARCO1366) ||
-           (SiS_Pr->SiS_CustomT == CUT_BARCO1024)) {
-           tempah |= 0xf0;
-        }
-        if( (SiS_Pr->SiS_IF_DEF_FSTN) ||
-            (SiS_Pr->SiS_IF_DEF_DSTN) ||
-            (SiS_Pr->SiS_IF_DEF_TRUMPION) ||
-            (SiS_Pr->SiS_CustomT == CUT_PANEL848) ) {
-           tempah |= 0x30;
-        }
-     }
-     if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
-        if(HwInfo->jChipType >= SIS_315H) {
-           tempah >>= 3;
-           tempah &= 0x18;
-           SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x13,0xE7,tempah);
-           /* Don't care about 12/18/24 bit mode - TV is via VGA, not PL */
-        } else {
-           SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x19,0x0F,0xe0);
-        }
-     } else {
-        SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x19,0x0F,tempah);
-     }
+      if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
+         tempah = 0;
+      } else if((SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) && (SiS_Pr->SiS_LCDInfo & LCDSync)) {
+         tempah = SiS_Pr->SiS_LCDInfo;
+      } else tempah = infoflag >> 8;
+      tempah &= 0xC0;
+      tempah |= 0x20;
+      if(!(SiS_Pr->SiS_LCDInfo & LCDRGB18Bit)) tempah |= 0x10;
+      if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {
+         if((SiS_Pr->SiS_CustomT == CUT_BARCO1366) ||
+            (SiS_Pr->SiS_CustomT == CUT_BARCO1024)) {
+            tempah |= 0xf0;
+         }
+         if( (SiS_Pr->SiS_IF_DEF_FSTN) ||
+             (SiS_Pr->SiS_IF_DEF_DSTN) ||
+             (SiS_Pr->SiS_IF_DEF_TRUMPION) ||
+             (SiS_Pr->SiS_CustomT == CUT_PANEL848) ||
+             (SiS_Pr->SiS_CustomT == CUT_PANEL856) ) {
+            tempah |= 0x30;
+         }
+         if( (SiS_Pr->SiS_IF_DEF_FSTN) ||
+             (SiS_Pr->SiS_IF_DEF_DSTN) ) {
+            tempah &= ~0xc0;
+         }
+      }
+      if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
+         if(SiS_Pr->ChipType >= SIS_315H) {
+            tempah >>= 3;
+            tempah &= 0x18;
+            SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x13,0xE7,tempah);
+            /* Don't care about 12/18/24 bit mode - TV is via VGA, not PL */
+         } else {
+            SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x19,0x0F,0xe0);
+         }
+      } else {
+         SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x19,0x0F,tempah);
+      }
 
-  } else if(SiS_Pr->SiS_VBType & VB_SISVB) {
+   } else if(SiS_Pr->SiS_VBType & VB_SISVB) {
 
-     if(HwInfo->jChipType < SIS_315H) {
+      if(SiS_Pr->ChipType < SIS_315H) {
 
 #ifdef SIS300  /* ---- 300 series --- */
 
-        if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {                   /* 630 - 301B(-DH) */
+         if(SiS_Pr->SiS_VBType & VB_SIS30xBLV) {                        /* 630 - 301B(-DH) */
 
-           tempah = infoflag >> 8;
-           tempbl = 0;
-           if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {
-              if(SiS_Pr->SiS_LCDInfo & LCDSync) {
-                 tempah = SiS_Pr->SiS_LCDInfo;
-                 tempbl = (tempah >> 6) & 0x03;
-              }
-           }
-           tempah &= 0xC0;
-           tempah |= 0x20;
-           if(!(SiS_Pr->SiS_LCDInfo & LCDRGB18Bit)) tempah |= 0x10;
-           tempah |= 0xc0;
-           SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x19,0x0F,tempah);
-           if((SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) && (!(SiS_Pr->SiS_VBType & VB_NoLCD))) {
-              SiS_SetRegANDOR(SiS_Pr->SiS_Part2Port,0x1a,0xf0,tempbl);
-           }
+            tempah = infoflag >> 8;
+            tempbl = 0;
+            if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {
+               if(SiS_Pr->SiS_LCDInfo & LCDSync) {
+                  tempah = SiS_Pr->SiS_LCDInfo;
+                  tempbl = (tempah >> 6) & 0x03;
+               }
+            }
+            tempah &= 0xC0;
+            tempah |= 0x20;
+            if(!(SiS_Pr->SiS_LCDInfo & LCDRGB18Bit)) tempah |= 0x10;
+            tempah |= 0xc0;
+            SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x19,0x0F,tempah);
+            if((SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) && (!(SiS_Pr->SiS_VBType & VB_NoLCD))) {
+               SiS_SetRegANDOR(SiS_Pr->SiS_Part2Port,0x1a,0xf0,tempbl);
+            }
 
-        } else {                                                        /* 630 - 301 */
+         } else {                                                       /* 630 - 301 */
 
-           tempah = infoflag >> 8;
-           tempah &= 0xC0;
-           tempah |= 0x20;
-           if(!(SiS_Pr->SiS_LCDInfo & LCDRGB18Bit)) tempah |= 0x10;
-           SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x19,0x0F,tempah);
+            tempah = ((infoflag >> 8) & 0xc0) | 0x20;
+            if(!(SiS_Pr->SiS_LCDInfo & LCDRGB18Bit)) tempah |= 0x10;
+            SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x19,0x0F,tempah);
 
-        }
+         }
 
 #endif /* SIS300 */
 
-     } else {
+      } else {
 
 #ifdef SIS315H  /* ------- 315 series ------ */
 
-        if(SiS_Pr->SiS_VBType & VB_SIS301LV302LV) {                     /* 315 - LVDS */
+         if(SiS_Pr->SiS_VBType & VB_SISLVDS) {                  /* 315 - LVDS */
 
-           tempbl = 0;
-           if((SiS_Pr->SiS_CustomT == CUT_COMPAQ1280) &&
-              (SiS_Pr->SiS_LCDResInfo == Panel_1280x1024)) {
-              tempah = infoflag >> 8;
-              if(SiS_Pr->SiS_LCDInfo & LCDSync) {
-                tempbl = ((SiS_Pr->SiS_LCDInfo & 0xc0) >> 6);
-              }
-           } else if((SiS_Pr->SiS_CustomT == CUT_CLEVO1400)  &&
-                     (SiS_Pr->SiS_LCDResInfo == Panel_1400x1050)) {
-              tempah = infoflag >> 8;
-              tempbl = 0x03;
-           } else {
-              tempah = SiS_GetReg(SiS_Pr->SiS_P3d4,0x37);
-              tempbl = (tempah >> 6) & 0x03;
-              tempbl |= 0x08;
-              if(!(SiS_Pr->SiS_LCDInfo & LCDRGB18Bit)) tempbl |= 0x04;
-           }
-           tempah &= 0xC0;
-           tempah |= 0x20;
-           if(!(SiS_Pr->SiS_LCDInfo & LCDRGB18Bit)) tempah |= 0x10;
-           if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA)   tempah |= 0xc0;
-           SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x19,0x0F,tempah);
-           if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {
-              if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {
-                 SiS_SetRegANDOR(SiS_Pr->SiS_Part2Port,0x1a,0xf0,tempbl);
-              }
-           }
+            tempbl = 0;
+            if((SiS_Pr->SiS_CustomT == CUT_COMPAQ1280) &&
+               (SiS_Pr->SiS_LCDResInfo == Panel_1280x1024)) {
+               tempah = infoflag >> 8;
+               if(SiS_Pr->SiS_LCDInfo & LCDSync) {
+                 tempbl = ((SiS_Pr->SiS_LCDInfo & 0xc0) >> 6);
+               }
+            } else if((SiS_Pr->SiS_CustomT == CUT_CLEVO1400)  &&
+                      (SiS_Pr->SiS_LCDResInfo == Panel_1400x1050)) {
+               tempah = infoflag >> 8;
+               tempbl = 0x03;
+            } else {
+               tempah = SiS_GetReg(SiS_Pr->SiS_P3d4,0x37);
+               tempbl = (tempah >> 6) & 0x03;
+               tempbl |= 0x08;
+               if(!(SiS_Pr->SiS_LCDInfo & LCDRGB18Bit)) tempbl |= 0x04;
+            }
+            tempah &= 0xC0;
+            tempah |= 0x20;
+            if(!(SiS_Pr->SiS_LCDInfo & LCDRGB18Bit)) tempah |= 0x10;
+            if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA)   tempah |= 0xc0;
+            SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x19,0x0F,tempah);
+            if(SiS_Pr->SiS_VBType & VB_SIS30xBLV) {
+               if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {
+                  SiS_SetRegANDOR(SiS_Pr->SiS_Part2Port,0x1a,0xf0,tempbl);
+               }
+            }
 
-        } else {                                                        /* 315 - TMDS */
+         } else {                                                       /* 315 - TMDS */
 
-           tempah = tempbl = infoflag >> 8;
-           if(!SiS_Pr->UseCustomMode) {
-              tempbl = 0;
-              if((SiS_Pr->SiS_VBType & VB_SIS301C) && (SiS_Pr->SiS_VBInfo & SetCRT2ToRAMDAC)) {
-                 if(ModeNo <= 0x13) {
-                    tempah = SiS_GetRegByte((SiS_Pr->SiS_P3ca+0x02));
-                 }
-              }
-              if(SiS_Pr->SiS_VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) {
-                 if(!(SiS_Pr->SiS_LCDInfo & LCDPass11)) {
-                    if(SiS_Pr->SiS_LCDInfo & LCDSync) {
-                       tempah = SiS_Pr->SiS_LCDInfo;
+            tempah = tempbl = infoflag >> 8;
+            if(!SiS_Pr->UseCustomMode) {
+               tempbl = 0;
+               if((SiS_Pr->SiS_VBType & VB_SIS30xC) && (SiS_Pr->SiS_VBInfo & SetCRT2ToRAMDAC)) {
+                  if(ModeNo <= 0x13) {
+                     tempah = SiS_GetRegByte((SiS_Pr->SiS_P3ca+0x02));
+                  }
+               }
+               if(SiS_Pr->SiS_VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) {
+                  if(!(SiS_Pr->SiS_LCDInfo & LCDPass11)) {
+                    if(SiS_Pr->SiS_LCDInfo & LCDSync) {
+                       tempah = SiS_Pr->SiS_LCDInfo;
                        tempbl = (tempah >> 6) & 0x03;
                     }
-                 }
-              }
-           }
-           tempah &= 0xC0;
-           tempah |= 0x20;
-           if(!(SiS_Pr->SiS_LCDInfo & LCDRGB18Bit)) tempah |= 0x10;
-           if(SiS_Pr->SiS_VBType & VB_NoLCD) {
-              /* Imitate BIOS bug */
-              if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV)  tempah |= 0xc0;
-           }
-           if((SiS_Pr->SiS_VBType & VB_SIS301C) && (SiS_Pr->SiS_VBInfo & SetCRT2ToRAMDAC)) {
-              tempah >>= 3;
-              tempah &= 0x18;
-              SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x13,0xe7,tempah);
-           } else {
-              SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x19,0x0F,tempah);
-              if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {
-                 if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {
-                    SiS_SetRegANDOR(SiS_Pr->SiS_Part2Port,0x1a,0xf0,tempbl);
-                 }
-              }
-           }
+                  }
+               }
+            }
+            tempah &= 0xC0;
+            tempah |= 0x20;
+            if(!(SiS_Pr->SiS_LCDInfo & LCDRGB18Bit)) tempah |= 0x10;
+            if(SiS_Pr->SiS_VBType & VB_NoLCD) {
+               /* Imitate BIOS bug */
+               if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV)  tempah |= 0xc0;
+            }
+            if((SiS_Pr->SiS_VBType & VB_SIS30xC) && (SiS_Pr->SiS_VBInfo & SetCRT2ToRAMDAC)) {
+               tempah >>= 3;
+               tempah &= 0x18;
+               SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x13,0xe7,tempah);
+            } else {
+               SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x19,0x0F,tempah);
+               if(SiS_Pr->SiS_VBType & VB_SIS30xBLV) {
+                  if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {
+                     SiS_SetRegANDOR(SiS_Pr->SiS_Part2Port,0x1a,0xf0,tempbl);
+                  }
+               }
+            }
 
-        }
+         }
 #endif  /* SIS315H */
       }
    }
 }
 
-/* Set CRT2 FIFO on 300/630/730 */
+/* Set CRT2 FIFO on 300/540/630/730 */
 #ifdef SIS300
 static void
-SiS_SetCRT2FIFO_300(SiS_Private *SiS_Pr,USHORT ModeNo,
-                    PSIS_HW_INFO HwInfo)
-{
-  UCHAR  *ROMAddr  = HwInfo->pjVirtualRomBase;
-  USHORT temp,index;
-  USHORT modeidindex,refreshratetableindex;
-  USHORT VCLK=0,MCLK,colorth=0,data2=0;
-  USHORT tempal, tempah, tempbx, tempcl, tempax;
-  USHORT CRT1ModeNo,CRT2ModeNo;
-  USHORT SelectRate_backup;
-  ULONG  data,eax;
-  const UCHAR  LatencyFactor[] = {
-        97, 88, 86, 79, 77, 00,       /*; 64  bit    BQ=2   */
-        00, 87, 85, 78, 76, 54,       /*; 64  bit    BQ=1   */
-        97, 88, 86, 79, 77, 00,       /*; 128 bit    BQ=2   */
-        00, 79, 77, 70, 68, 48,       /*; 128 bit    BQ=1   */
-        80, 72, 69, 63, 61, 00,       /*; 64  bit    BQ=2   */
-        00, 70, 68, 61, 59, 37,       /*; 64  bit    BQ=1   */
-        86, 77, 75, 68, 66, 00,       /*; 128 bit    BQ=2   */
-        00, 68, 66, 59, 57, 37        /*; 128 bit    BQ=1   */
-  };
-  const UCHAR  LatencyFactor730[] = {
-         69, 63, 61,
-         86, 79, 77,
-        103, 96, 94,
-        120,113,111,
-        137,130,128,    /* <-- last entry, data below */
-        137,130,128,    /* to avoid using illegal values */
-        137,130,128,
-        137,130,128,
-        137,130,128,
-        137,130,128,
-        137,130,128,
-        137,130,128,
-        137,130,128,
-        137,130,128,
-        137,130,128,
-        137,130,128,
-  };
-  const UCHAR ThLowB[]   = {
-        81, 4, 72, 6, 88, 8,120,12,
-        55, 4, 54, 6, 66, 8, 90,12,
-        42, 4, 45, 6, 55, 8, 75,12
-  };
-  const UCHAR ThTiming[] = {
-        1, 2, 2, 3, 0, 1, 1, 2
+SiS_SetCRT2FIFO_300(struct SiS_Private *SiS_Pr,unsigned short ModeNo)
+{
+  unsigned char  *ROMAddr  = SiS_Pr->VirtualRomBase;
+  unsigned short temp, index, modeidindex, refreshratetableindex;
+  unsigned short VCLK = 0, MCLK, colorth = 0, data2 = 0;
+  unsigned short tempbx, tempcl, CRT1ModeNo, CRT2ModeNo, SelectRate_backup;
+  unsigned int   data, pci50, pciA0;
+  static const unsigned char colortharray[] = {
+        1, 1, 2, 2, 3, 4
   };
 
   SelectRate_backup = SiS_Pr->SiS_SelectCRT2Rate;
@@ -5044,232 +5106,159 @@ SiS_SetCRT2FIFO_300(SiS_Private *SiS_Pr,USHORT ModeNo,
      SiS_SearchModeID(SiS_Pr, &CRT1ModeNo, &modeidindex);
      SiS_Pr->SiS_SetFlag &= (~ProgrammingCRT2);
      SiS_Pr->SiS_SelectCRT2Rate = 0;
-     refreshratetableindex = SiS_GetRatePtr(SiS_Pr, CRT1ModeNo, modeidindex, HwInfo);
+     refreshratetableindex = SiS_GetRatePtr(SiS_Pr, CRT1ModeNo, modeidindex);
 
      if(CRT1ModeNo >= 0x13) {
-        index = SiS_Pr->SiS_RefIndex[refreshratetableindex].Ext_CRTVCLK;
-        index &= 0x3F;
-        VCLK = SiS_Pr->SiS_VCLKData[index].CLOCK;                       /* Get VCLK */
+        /* Get VCLK */
+        index = SiS_GetRefCRTVCLK(SiS_Pr, refreshratetableindex, SiS_Pr->SiS_UseWide);
+        VCLK = SiS_Pr->SiS_VCLKData[index].CLOCK;
 
-        colorth = SiS_GetColorDepth(SiS_Pr,CRT1ModeNo,modeidindex);     /* Get colordepth */
-        colorth >>= 1;
-        if(!colorth) colorth++;
+        /* Get colordepth */
+        colorth = SiS_GetColorDepth(SiS_Pr,CRT1ModeNo,modeidindex) >> 1;
+        if(!colorth) colorth++;
      }
 
   } else {
 
      CRT1ModeNo = 0xfe;
-     VCLK = SiS_Pr->CSRClock_CRT1;                                      /* Get VCLK */
-     data2 = (SiS_Pr->CModeFlag_CRT1 & ModeTypeMask) - 2;
-     switch(data2) {                                                    /* Get color depth */
-        case 0 : colorth = 1; break;
-        case 1 : colorth = 1; break;
-        case 2 : colorth = 2; break;
-        case 3 : colorth = 2; break;
-        case 4 : colorth = 3; break;
-        case 5 : colorth = 4; break;
-        default: colorth = 2;
-     }
+
+     /* Get VCLK */
+     VCLK = SiS_Pr->CSRClock_CRT1;
+
+     /* Get color depth */
+     colorth = colortharray[((SiS_Pr->CModeFlag_CRT1 & ModeTypeMask) - 2)];
 
   }
 
   if(CRT1ModeNo >= 0x13) {
-    if(HwInfo->jChipType == SIS_300) {
-       index = SiS_GetReg(SiS_Pr->SiS_P3c4,0x3A);
-    } else {
-       index = SiS_GetReg(SiS_Pr->SiS_P3c4,0x1A);
-    }
-    index &= 0x07;
-    MCLK = SiS_Pr->SiS_MCLKData_0[index].CLOCK;                         /* Get MCLK */
+     /* Get MCLK */
+     if(SiS_Pr->ChipType == SIS_300) {
+        index = SiS_GetReg(SiS_Pr->SiS_P3c4,0x3A);
+     } else {
+        index = SiS_GetReg(SiS_Pr->SiS_P3c4,0x1A);
+     }
+     index &= 0x07;
+     MCLK = SiS_Pr->SiS_MCLKData_0[index].CLOCK;
 
-    data2 = (colorth * VCLK) / MCLK;
+     temp = ((SiS_GetReg(SiS_Pr->SiS_P3c4,0x14) >> 6) & 0x03) << 1;
+     if(!temp) temp++;
+     temp <<= 2;
 
-    temp = SiS_GetReg(SiS_Pr->SiS_P3c4,0x14);
-    temp = ((temp & 0x00FF) >> 6) << 1;
-    if(temp == 0) temp = 1;
-    temp <<= 2;
-    temp &= 0xff;
+     data2 = temp - ((colorth * VCLK) / MCLK);
 
-    data2 = temp - data2;
+     temp = (28 * 16) % data2;
+     data2 = (28 * 16) / data2;
+     if(temp) data2++;
 
-    if((28 * 16) % data2) {
-        data2 = (28 * 16) / data2;
-        data2++;
-    } else {
-        data2 = (28 * 16) / data2;
-    }
+     if(SiS_Pr->ChipType == SIS_300) {
 
-    if(HwInfo->jChipType == SIS_300) {
-
-        tempah = SiS_GetReg(SiS_Pr->SiS_P3c4,0x18);
-        tempah &= 0x62;
-        tempah >>= 1;
-        tempal = tempah;
-        tempah >>= 3;
-        tempal |= tempah;
-        tempal &= 0x07;
-        tempcl = ThTiming[tempal];
-        tempbx = SiS_GetReg(SiS_Pr->SiS_P3c4,0x16);
-        tempbx >>= 6;
-        tempah = SiS_GetReg(SiS_Pr->SiS_P3c4,0x14);
-        tempah >>= 4;
-        tempah &= 0x0c;
-        tempbx |= tempah;
-        tempbx <<= 1;
-        tempal = ThLowB[tempbx + 1];
-        tempal *= tempcl;
-        tempal += ThLowB[tempbx];
-        data = tempal;
-
-    } else if(HwInfo->jChipType == SIS_730) {
-
-#ifdef LINUX_KERNEL
-       SiS_SetRegLong(0xcf8,0x80000050);
-       eax = SiS_GetRegLong(0xcfc);
+        SiS_GetFIFOThresholdIndex300(SiS_Pr, &tempbx, &tempcl);
+        data = SiS_GetFIFOThresholdB300(tempbx, tempcl);
+
+     } else {
+
+#ifdef SIS_LINUX_KERNEL
+        pci50 = sisfb_read_nbridge_pci_dword(SiS_Pr, 0x50);
+        pciA0 = sisfb_read_nbridge_pci_dword(SiS_Pr, 0xa0);
 #else
-       eax = pciReadLong(0x00000000, 0x50);
+        pci50 = pciReadLong(0x00000000, 0x50);
+        pciA0 = pciReadLong(0x00000000, 0xA0);
 #endif
-       tempal = (USHORT)(eax >> 8);
-       tempal &= 0x06;
-       tempal <<= 5;
 
-#ifdef LINUX_KERNEL
-       SiS_SetRegLong(0xcf8,0x800000A0);
-       eax = SiS_GetRegLong(0xcfc);
-#else
-       eax = pciReadLong(0x00000000, 0xA0);
-#endif
-       temp = (USHORT)(eax >> 28);
-       temp &= 0x0F;
-       tempal |= temp;
-
-       tempbx = tempal;   /* BIOS BUG (2.04.5d, 2.04.6a use ah here, which is unset!) */
-       tempbx = 0;        /* -- do it like the BIOS anyway... */
-       tempax = tempbx;
-       tempbx &= 0xc0;
-       tempbx >>= 6;
-       tempax &= 0x0f;
-       tempax *= 3;
-       tempbx += tempax;
-
-       data = LatencyFactor730[tempbx];
-       data += 15;
-       temp = SiS_GetReg(SiS_Pr->SiS_P3c4,0x14);
-       if(!(temp & 0x80)) data += 5;
+        if(SiS_Pr->ChipType == SIS_730) {
 
-    } else {
+           index = (unsigned short)(((pciA0 >> 28) & 0x0f) * 3);
+           index += (unsigned short)(((pci50 >> 9)) & 0x03);
 
-       index = 0;
-       temp = SiS_GetReg(SiS_Pr->SiS_P3c4,0x14);
-       if(temp & 0x0080) index += 12;
+           /* BIOS BUG (2.04.5d, 2.04.6a use ah here, which is unset!) */
+           index = 0;  /* -- do it like the BIOS anyway... */
 
-#ifdef LINUX_KERNEL
-       SiS_SetRegLong(0xcf8,0x800000A0);
-       eax = SiS_GetRegLong(0xcfc);
-#else
-       /* We use pci functions X offers. We use tag 0, because
-        * we want to read/write to the host bridge (which is always
-        * 00:00.0 on 630, 730 and 540), not the VGA device.
-        */
-       eax = pciReadLong(0x00000000, 0xA0);
-#endif
-       temp = (USHORT)(eax >> 24);
-       if(!(temp&0x01)) index += 24;
-
-#ifdef LINUX_KERNEL
-       SiS_SetRegLong(0xcf8,0x80000050);
-       eax = SiS_GetRegLong(0xcfc);
-#else
-       eax = pciReadLong(0x00000000, 0x50);
-#endif
-       temp=(USHORT)(eax >> 24);
-       if(temp & 0x01) index += 6;
+        } else {
 
-       temp = (temp & 0x0F) >> 1;
-       index += temp;
+           pci50 >>= 24;
+           pciA0 >>= 24;
 
-       data = LatencyFactor[index];
-       data += 15;
-       temp = SiS_GetReg(SiS_Pr->SiS_P3c4,0x14);
-       if(!(temp & 0x80)) data += 5;
-    }
+           index = (pci50 >> 1) & 0x07;
 
-    data += data2;                              /* CRT1 Request Period */
+           if(pci50 & 0x01)    index += 6;
+           if(!(pciA0 & 0x01)) index += 24;
 
-    SiS_Pr->SiS_SetFlag |= ProgrammingCRT2;
-    SiS_Pr->SiS_SelectCRT2Rate = SelectRate_backup;
+           if(SiS_GetReg(SiS_Pr->SiS_P3c4,0x14) & 0x80) index += 12;
 
-    if(!SiS_Pr->UseCustomMode) {
+        }
 
-       CRT2ModeNo = ModeNo;
-       SiS_SearchModeID(SiS_Pr, &CRT2ModeNo, &modeidindex);
+        data = SiS_GetLatencyFactor630(SiS_Pr, index) + 15;
+        if(!(SiS_GetReg(SiS_Pr->SiS_P3c4,0x14) & 0x80)) data += 5;
 
-       refreshratetableindex = SiS_GetRatePtr(SiS_Pr, CRT2ModeNo, modeidindex, HwInfo);
+     }
 
-       index = SiS_GetVCLK2Ptr(SiS_Pr,CRT2ModeNo,modeidindex,
-                               refreshratetableindex,HwInfo);
-       VCLK = SiS_Pr->SiS_VCLKData[index].CLOCK;                /* Get VCLK  */
+     data += data2;                                             /* CRT1 Request Period */
 
-       if((SiS_Pr->SiS_CustomT == CUT_BARCO1366) || (SiS_Pr->SiS_CustomT == CUT_BARCO1024)) {
-          if(SiS_Pr->SiS_UseROM) {
-             if(ROMAddr[0x220] & 0x01) {
-                VCLK = ROMAddr[0x229] | (ROMAddr[0x22a] << 8);
-             }
-          }
-       }
+     SiS_Pr->SiS_SetFlag |= ProgrammingCRT2;
+     SiS_Pr->SiS_SelectCRT2Rate = SelectRate_backup;
 
-    } else {
+     if(!SiS_Pr->UseCustomMode) {
 
-       CRT2ModeNo = 0xfe;
-       VCLK = SiS_Pr->CSRClock;                                 /* Get VCLK */
+        CRT2ModeNo = ModeNo;
+        SiS_SearchModeID(SiS_Pr, &CRT2ModeNo, &modeidindex);
 
-    }
+        refreshratetableindex = SiS_GetRatePtr(SiS_Pr, CRT2ModeNo, modeidindex);
 
-    colorth = SiS_GetColorDepth(SiS_Pr,CRT2ModeNo,modeidindex); /* Get colordepth */
-    colorth >>= 1;
-    if(!colorth) colorth++;
+        /* Get VCLK  */
+        index = SiS_GetVCLK2Ptr(SiS_Pr, CRT2ModeNo, modeidindex, refreshratetableindex);
+        VCLK = SiS_Pr->SiS_VCLKData[index].CLOCK;
 
-    data = data * VCLK * colorth;
-    if(data % (MCLK << 4)) {
-        data = data / (MCLK << 4);
-        data++;
-    } else {
-        data = data / (MCLK << 4);
-    }
+        if((SiS_Pr->SiS_CustomT == CUT_BARCO1366) || (SiS_Pr->SiS_CustomT == CUT_BARCO1024)) {
+           if(SiS_Pr->SiS_UseROM) {
+              if(ROMAddr[0x220] & 0x01) {
+                 VCLK = ROMAddr[0x229] | (ROMAddr[0x22a] << 8);
+              }
+           }
+        }
 
-    if(data <= 6) data = 6;
-    if(data > 0x14) data = 0x14;
+     } else {
 
-    temp = SiS_GetReg(SiS_Pr->SiS_Part1Port,0x01);
-    if(HwInfo->jChipType == SIS_300) {
-       if(data <= 0x0f) temp = (temp & (~0x1F)) | 0x13;
-       else             temp = (temp & (~0x1F)) | 0x16;
-       if(SiS_Pr->SiS_LCDResInfo == Panel_1280x1024) {
-          temp = (temp & (~0x1F)) | 0x13;
-       }
-    } else {
-       if( ( (HwInfo->jChipType == SIS_630) ||
-             (HwInfo->jChipType == SIS_730) )  &&
-           (HwInfo->jChipRevision >= 0x30) ) /* 630s or 730(s?) */
-      {
-          temp = (temp & (~0x1F)) | 0x1b;
-      } else {
-          temp = (temp & (~0x1F)) | 0x16;
-      }
-    }
-    SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x01,0xe0,temp);
+        /* Get VCLK */
+        CRT2ModeNo = 0xfe;
+        VCLK = SiS_Pr->CSRClock;
 
-    if( (HwInfo->jChipType == SIS_630) &&
-        (HwInfo->jChipRevision >= 0x30) ) /* 630s, NOT 730 */
-    {
-        if(data > 0x13) data = 0x13;
-    }
-    SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x02,0xe0,data);
+     }
+
+     /* Get colordepth */
+     colorth = SiS_GetColorDepth(SiS_Pr,CRT2ModeNo,modeidindex) >> 1;
+     if(!colorth) colorth++;
+
+     data = data * VCLK * colorth;
+     temp = data % (MCLK << 4);
+     data = data / (MCLK << 4);
+     if(temp) data++;
+
+     if(data < 6) data = 6;
+     else if(data > 0x14) data = 0x14;
+
+     if(SiS_Pr->ChipType == SIS_300) {
+        temp = 0x16;
+        if((data <= 0x0f) || (SiS_Pr->SiS_LCDResInfo == Panel_1280x1024))
+           temp = 0x13;
+     } else {
+        temp = 0x16;
+        if(( (SiS_Pr->ChipType == SIS_630) ||
+             (SiS_Pr->ChipType == SIS_730) )  &&
+           (SiS_Pr->ChipRevision >= 0x30))
+           temp = 0x1b;
+     }
+     SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x01,0xe0,temp);
+
+     if((SiS_Pr->ChipType == SIS_630) &&
+        (SiS_Pr->ChipRevision >= 0x30)) {
+        if(data > 0x13) data = 0x13;
+     }
+     SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x02,0xe0,data);
 
   } else {  /* If mode <= 0x13, we just restore everything */
 
-    SiS_Pr->SiS_SetFlag |= ProgrammingCRT2;
-    SiS_Pr->SiS_SelectCRT2Rate = SelectRate_backup;
+     SiS_Pr->SiS_SetFlag |= ProgrammingCRT2;
+     SiS_Pr->SiS_SelectCRT2Rate = SelectRate_backup;
 
   }
 }
@@ -5278,10 +5267,10 @@ SiS_SetCRT2FIFO_300(SiS_Private *SiS_Pr,USHORT ModeNo,
 /* Set CRT2 FIFO on 315/330 series */
 #ifdef SIS315H
 static void
-SiS_SetCRT2FIFO_310(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_SetCRT2FIFO_310(struct SiS_Private *SiS_Pr)
 {
   SiS_SetReg(SiS_Pr->SiS_Part1Port,0x01,0x3B);
-  if( (HwInfo->jChipType == SIS_760)      &&
+  if( (SiS_Pr->ChipType == SIS_760)      &&
       (SiS_Pr->SiS_SysFlags & SF_760LFB)  &&
       (SiS_Pr->SiS_ModeType == Mode32Bpp) &&
       (SiS_Pr->SiS_VGAHDE >= 1280)        &&
@@ -5299,337 +5288,162 @@ SiS_SetCRT2FIFO_310(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
 }
 #endif
 
-static USHORT
-SiS_GetVGAHT2(SiS_Private *SiS_Pr)
+static unsigned short
+SiS_GetVGAHT2(struct SiS_Private *SiS_Pr)
 {
-  ULONG tempax,tempbx;
+  unsigned int tempax,tempbx;
 
   tempbx = (SiS_Pr->SiS_VGAVT - SiS_Pr->SiS_VGAVDE) * SiS_Pr->SiS_RVBHCMAX;
   tempax = (SiS_Pr->SiS_VT - SiS_Pr->SiS_VDE) * SiS_Pr->SiS_RVBHCFACT;
   tempax = (tempax * SiS_Pr->SiS_HT) / tempbx;
-  return((USHORT)tempax);
+  return (unsigned short)tempax;
 }
 
 /* Set Part 1 / SiS bridge slave mode */
 static void
-SiS_SetGroup1_301(SiS_Private *SiS_Pr, USHORT ModeNo,USHORT ModeIdIndex,
-                  PSIS_HW_INFO HwInfo,USHORT RefreshRateTableIndex)
-{
-  USHORT  push1,push2;
-  USHORT  tempax,tempbx,tempcx,temp;
-  USHORT  resinfo,modeflag,xres=0;
-  unsigned char p1_7, p1_8;
+SiS_SetGroup1_301(struct SiS_Private *SiS_Pr, unsigned short ModeNo,unsigned short ModeIdIndex,
+                  unsigned short RefreshRateTableIndex)
+{
+  unsigned short temp, modeflag, i, j, xres=0, VGAVDE;
+  static const unsigned short CRTranslation[] = {
+       /* CR0   CR1   CR2   CR3   CR4   CR5   CR6   CR7   */
+          0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a,
+       /* CR8   CR9   SR0A  SR0B  SR0C  SR0D  SR0E  CR0F  */
+          0x00, 0x0b, 0x17, 0x18, 0x19, 0x00, 0x1a, 0x00,
+       /* CR10  CR11  CR12  CR13  CR14  CR15  CR16  CR17  */
+          0x0c, 0x0d, 0x0e, 0x00, 0x0f, 0x10, 0x11, 0x00
+  };
 
   if(ModeNo <= 0x13) {
      modeflag = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ModeFlag;
-     resinfo = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ResInfo;
   } else if(SiS_Pr->UseCustomMode) {
      modeflag = SiS_Pr->CModeFlag;
-     resinfo = 0;
      xres = SiS_Pr->CHDisplay;
   } else {
      modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag;
-     resinfo = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_RESINFO;
      xres = SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].XRes;
   }
 
   /* The following is only done if bridge is in slave mode: */
 
-  if((HwInfo->jChipType >= SIS_661) && (ModeNo > 0x13)) {
-     if(xres >= 1600) {
+  if(SiS_Pr->ChipType >= SIS_315H) {
+     if(xres >= 1600) {  /* BIOS: == 1600 */
         SiS_SetRegOR(SiS_Pr->SiS_P3c4,0x31,0x04);
      }
   }
 
-  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x03,0xff);                  /* set MAX HT */
-
-  if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV)  modeflag |= Charx8Dot;
+  SiS_Pr->CHTotal = 8224;  /* Max HT, 0x2020, results in 0x3ff in registers */
 
-  if(modeflag & Charx8Dot) tempcx = 0x08;
-  else                     tempcx = 0x09;
-
-  tempax = SiS_Pr->SiS_VGAHDE;                                  /* 0x04 Horizontal Display End */
-  if(modeflag & HalfDCLK) tempax >>= 1;
-  tempax = ((tempax / tempcx) - 1) & 0xff;
-  tempbx = tempax;
-
-  temp = tempax;
-  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x04,temp);
+  SiS_Pr->CHDisplay = SiS_Pr->SiS_VGAHDE;
+  if(modeflag & HalfDCLK) SiS_Pr->CHDisplay >>= 1;
 
+  SiS_Pr->CHBlankStart = SiS_Pr->CHDisplay;
   if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
-     if(!(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV)) {
-        temp += 2;
-     }
-  }
-  if(SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision) {
-     if(resinfo == SIS_RI_800x600) temp -= 2;
-  }
-  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x05,temp);                 /* 0x05 Horizontal Display Start */
-
-  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x06,0x03);                 /* 0x06 Horizontal Blank end     */
-
-  tempax = 0xFFFF;
-  if(!(SiS_Pr->SiS_VBInfo & SetCRT2ToTV)) tempax = SiS_GetVGAHT2(SiS_Pr);
-  if(tempax >= SiS_Pr->SiS_VGAHT) tempax = SiS_Pr->SiS_VGAHT;
-  if(modeflag & HalfDCLK)         tempax >>= 1;
-  tempax = (tempax / tempcx) - 5;
-  tempcx = tempax;
-
-  if(SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision) {
-     temp = tempcx - 1;
-     if(!(modeflag & HalfDCLK)) {
-        temp -= 6;
-        if(SiS_Pr->SiS_TVMode & TVSetTVSimuMode) {
-           temp -= 2;
-           if(ModeNo > 0x13) temp -= 10;
-        }
-     }
-  } else {
-     tempcx = (tempcx + tempbx) >> 1;
-     temp = (tempcx & 0x00FF) + 2;
-     if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
-        temp--;
-        if(!(modeflag & HalfDCLK)) {
-           if((modeflag & Charx8Dot)) {
-              temp += 4;
-              if(SiS_Pr->SiS_VGAHDE >= 800) temp -= 6;
-              if(HwInfo->jChipType >= SIS_315H) {
-                 if(SiS_Pr->SiS_VGAHDE == 800) temp += 2;
-              }
-           }
-        }
-     } else {
-        if(!(modeflag & HalfDCLK)) {
-           temp -= 4;
-           if((SiS_Pr->SiS_LCDResInfo != Panel_1280x960) &&
-              (SiS_Pr->SiS_LCDResInfo != Panel_1600x1200)) {
-              if(SiS_Pr->SiS_VGAHDE >= 800) {
-                 temp -= 7;
-                 if(HwInfo->jChipType < SIS_315H) {
-                    if(SiS_Pr->SiS_ModeType == ModeEGA) {
-                       if(SiS_Pr->SiS_VGAVDE == 1024) {
-                          temp += 15;
-                          if(SiS_Pr->SiS_LCDResInfo != Panel_1280x1024)
-                             temp += 7;
-                       }
-                    }
-                 }
-                 if(SiS_Pr->SiS_LCDResInfo != Panel_1400x1050) {
-                    if(SiS_Pr->SiS_VGAHDE >= 1280) {
-                       if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) temp += 28;
-                    }
-                 }
-              }
-           }
-        }
-     }
+     SiS_Pr->CHBlankStart += 16;
   }
 
-  p1_7 = temp;
-  p1_8 = 0x00;
-
-  if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
-     if(SiS_Pr->SiS_TVMode & TVSetTVSimuMode) {
-        if(ModeNo <= 0x01) {
-           p1_7 = 0x2a;
-           if(!(SiS_Pr->SiS_TVMode & TVSetPAL)) p1_8 = 0x61;
-           else                                 p1_8 = 0x41;
-        } else if(SiS_Pr->SiS_ModeType == ModeText) {
-           if(!(SiS_Pr->SiS_TVMode & TVSetPAL)) p1_7 = 0x54;
-           else                                 p1_7 = 0x55;
-           p1_8 = 0x00;
-        } else if(ModeNo <= 0x13) {
-           if(modeflag & HalfDCLK) {
-              if(!(SiS_Pr->SiS_TVMode & TVSetPAL)) {
-                 p1_7 = 0x30;
-                 p1_8 = 0x03;
-              } else {
-                 p1_7 = 0x2f;
-                 p1_8 = 0x02;
-              }
-           } else {
-              p1_7 = 0x5b;
-              p1_8 = 0x03;
-           }
-        } else if( ((HwInfo->jChipType >= SIS_315H) &&
-                    ((ModeNo == 0x50) || (ModeNo == 0x56) || (ModeNo == 0x53))) ||
-                   ((HwInfo->jChipType < SIS_315H) &&
-                    (resinfo == SIS_RI_320x200 || resinfo == SIS_RI_320x240)) ) {
-           if(!(SiS_Pr->SiS_TVMode & TVSetPAL)) {
-              p1_7 = 0x30,
-              p1_8 = 0x03;
-           } else {
-              p1_7 = 0x2f;
-              p1_8 = 0x03;
-           }
-        }
-     }
+  SiS_Pr->CHBlankEnd = 32;
+  if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {
+     if(xres == 1600) SiS_Pr->CHBlankEnd += 80;
   }
 
-  if(SiS_Pr->SiS_VBInfo & SetCRT2ToYPbPr525750) {
-     if(SiS_Pr->SiS_TVMode & (TVSetYPbPr525p|TVSetYPbPr750p)) {
-        p1_7 = 0x63;
-        if(SiS_Pr->SiS_TVMode & TVSetYPbPr750p) p1_7 = 0x55;
-     }
-     if(SiS_Pr->SiS_TVMode & TVSetTVSimuMode) {
-        if(!(modeflag & HalfDCLK)) {
-           p1_7 = 0xb2;
-           if(SiS_Pr->SiS_TVMode & TVSetYPbPr750p) {
-              p1_7 = 0xab;
-           }
-        }
-     } else {
-        if(SiS_Pr->SiS_TVMode & TVSetYPbPr525p) {
-           if(modeflag & HalfDCLK) p1_7 = 0x30;
-        }
-     }
+  temp = SiS_Pr->SiS_VGAHT - 96;
+  if(!(modeflag & HalfDCLK)) temp -= 32;
+  if(SiS_Pr->SiS_LCDInfo & LCDPass11) {
+     temp = SiS_GetReg(SiS_Pr->SiS_P3d4,0x04);
+     temp |= ((SiS_GetReg(SiS_Pr->SiS_P3c4,0x0b) & 0xc0) << 2);
+     temp -= 3;
+     temp <<= 3;
+  } else {
+     if(SiS_Pr->SiS_RVBHRS2) temp = SiS_Pr->SiS_RVBHRS2;
   }
+  SiS_Pr->CHSyncStart = temp;
 
-  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x07,p1_7);                  /* 0x07 Horizontal Retrace Start */
-  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x08,p1_8);                  /* 0x08 Horizontal Retrace End   */
+  SiS_Pr->CHSyncEnd = 0xffe8;   /* results in 0x2000 in registers */
 
-  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x18,0x03);                  /* 0x18 SR08 (FIFO Threshold?)   */
+  SiS_Pr->CVTotal = 2049;       /* Max VT, 0x0801, results in 0x7ff in registers */
 
-  SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x19,0xF0);
+  VGAVDE = SiS_Pr->SiS_VGAVDE;
+  if     (VGAVDE ==  357) VGAVDE =  350;
+  else if(VGAVDE ==  360) VGAVDE =  350;
+  else if(VGAVDE ==  375) VGAVDE =  350;
+  else if(VGAVDE ==  405) VGAVDE =  400;
+  else if(VGAVDE ==  420) VGAVDE =  400;
+  else if(VGAVDE ==  525) VGAVDE =  480;
+  else if(VGAVDE == 1056) VGAVDE = 1024;
+  SiS_Pr->CVDisplay = VGAVDE;
 
-  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x09,0xFF);                  /* 0x09 Set Max VT    */
+  SiS_Pr->CVBlankStart = SiS_Pr->CVDisplay;
 
-  tempcx = 0x121;
-  tempbx = SiS_Pr->SiS_VGAVDE;                                  /* 0x0E Vertical Display End */
-  if     (tempbx == 357) tempbx = 350;
-  else if(tempbx == 360) tempbx = 350;
-  else if(tempbx == 375) tempbx = 350;
-  else if(tempbx == 405) tempbx = 400;
-  else if(tempbx == 420) tempbx = 400;
-  else if(tempbx == 525) tempbx = 480;
-  push2 = tempbx;
-  if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {
-     if(SiS_Pr->SiS_LCDResInfo == Panel_1024x768) {
-        if(!(SiS_Pr->SiS_SetFlag & LCDVESATiming)) {
-           if     (tempbx == 350) tempbx += 5;
-           else if(tempbx == 480) tempbx += 5;
-        }
-     }
-  }
-  tempbx -= 2;
-  temp = tempbx & 0x00FF;
-  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x10,temp);                  /* 0x10 vertical Blank Start */
-
-  tempbx = push2;
-  tempbx--;
-  temp = tempbx & 0x00FF;
-#if 0
-  /* Missing code from 630/301B 2.04.5a and 650/302LV 1.10.6s (calles int 2f) */
-  if(xxx()) {
-      if(temp == 0xdf) temp = 0xda;
-  }
-#endif
-  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x0E,temp);
-
-  temp = 0;
-  if(modeflag & DoubleScanMode) temp |= 0x80;
-  if(HwInfo->jChipType >= SIS_661) {
-     if(tempbx & 0x0200)        temp |= 0x20;
-     SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x0B,0x5F,temp);
-     if(tempbx & 0x0100)  tempcx |= 0x000a;
-     if(tempbx & 0x0400)  tempcx |= 0x1200;
-  } else {
-     SiS_SetReg(SiS_Pr->SiS_Part1Port,0x0B,temp);
-     if(tempbx & 0x0100)  tempcx |= 0x0002;
-     if(tempbx & 0x0400)  tempcx |= 0x0600;
-  }
+  SiS_Pr->CVBlankEnd = 1;
+  if(ModeNo == 0x3c) SiS_Pr->CVBlankEnd = 226;
 
-  if(tempbx & 0x0200)  tempcx |= 0x0040;
+  temp = (SiS_Pr->SiS_VGAVT - VGAVDE) >> 1;
+  SiS_Pr->CVSyncStart = VGAVDE + temp;
 
-  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x11,0x00);                  /* 0x11 Vertical Blank End */
+  temp >>= 3;
+  SiS_Pr->CVSyncEnd = SiS_Pr->CVSyncStart + temp;
 
-  tempax = (SiS_Pr->SiS_VGAVT - tempbx) >> 2;
+  SiS_CalcCRRegisters(SiS_Pr, 0);
+  SiS_Pr->CCRT1CRTC[16] &= ~0xE0;
 
-  if((ModeNo > 0x13) || (HwInfo->jChipType < SIS_315H)) {
-     if(resinfo != SIS_RI_1280x1024) {
-        tempbx += (tempax << 1);
-     }
-  } else if(HwInfo->jChipType >= SIS_315H) {
-     if(SiS_Pr->SiS_LCDResInfo != Panel_1400x1050) {
-        tempbx += (tempax << 1);
-     }
+  for(i = 0; i <= 7; i++) {
+     SiS_SetReg(SiS_Pr->SiS_Part1Port,CRTranslation[i],SiS_Pr->CCRT1CRTC[i]);
   }
-
-  if(SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision) {
-     tempbx -= 10;
-  } else {
-     if(SiS_Pr->SiS_TVMode & TVSetTVSimuMode) {
-        if(SiS_Pr->SiS_TVMode & TVSetPAL) {
-           tempbx += 40;
-           if(HwInfo->jChipType >= SIS_315H) {
-              if(SiS_Pr->SiS_VGAHDE == 800) tempbx += 10;
-           }
-        }
-     }
-  }
-  tempax >>= 2;
-  tempax++;
-  tempax += tempbx;
-  push1 = tempax;
-  if(SiS_Pr->SiS_TVMode & TVSetPAL) {
-     if(tempbx <= 513)  {
-        if(tempax >= 513) tempbx = 513;
-     }
+  for(i = 0x10, j = 8; i <= 0x12; i++, j++) {
+     SiS_SetReg(SiS_Pr->SiS_Part1Port,CRTranslation[i],SiS_Pr->CCRT1CRTC[j]);
   }
-  temp = tempbx & 0x00FF;
-  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x0C,temp);                  /* 0x0C Vertical Retrace Start */
-
-  tempbx--;
-  temp = tempbx & 0x00FF;
-  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x10,temp);
-
-  if(tempbx & 0x0100) tempcx |= 0x0008;
-
-  if(tempbx & 0x0200) {
-     SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x0B,0x20);
+  for(i = 0x15, j = 11; i <= 0x16; i++, j++) {
+     SiS_SetReg(SiS_Pr->SiS_Part1Port,CRTranslation[i],SiS_Pr->CCRT1CRTC[j]);
   }
-  tempbx++;
-
-  if(tempbx & 0x0100) tempcx |= 0x0004;
-  if(tempbx & 0x0200) tempcx |= 0x0080;
-  if(tempbx & 0x0400) {
-     if(HwInfo->jChipType >= SIS_661)        tempcx |= 0x0800;
-     else if(SiS_Pr->SiS_VBType & VB_SIS301) tempcx |= 0x0800;
-     else                                    tempcx |= 0x0C00;
+  for(i = 0x0a, j = 13; i <= 0x0c; i++, j++) {
+     SiS_SetReg(SiS_Pr->SiS_Part1Port,CRTranslation[i],SiS_Pr->CCRT1CRTC[j]);
   }
 
-  tempbx = push1;
-  temp = tempbx & 0x000F;
-  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x0D,temp);                  /* 0x0D vertical Retrace End */
-
-  if(tempbx & 0x0010) tempcx |= 0x2000;
-
-  temp = tempcx & 0x00FF;
-  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x0A,temp);                  /* 0x0A CR07 */
-
-  temp = (tempcx & 0xFF00) >> 8;
-  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x17,temp);                  /* 0x17 SR0A */
+  temp = SiS_Pr->CCRT1CRTC[16] & 0xE0;
+  SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,CRTranslation[0x0E],0x1F,temp);
 
-  tempax = modeflag;
-  temp = (tempax & 0xFF00) >> 8;
-  temp = (temp >> 1) & 0x09;
-  if(!(SiS_Pr->SiS_VBType & VB_SIS301)) temp |= 0x01;           /* Always 8 dotclock */
-  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x16,temp);                  /* 0x16 SR01 */
+  temp = (SiS_Pr->CCRT1CRTC[16] & 0x01) << 5;
+  if(modeflag & DoubleScanMode) temp |= 0x80;
+  SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,CRTranslation[0x09],0x5F,temp);
 
-  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x0F,0x00);                  /* 0x0F CR14 */
+  temp = 0;
+  temp |= (SiS_GetReg(SiS_Pr->SiS_P3c4,0x01) & 0x01);
+  if(modeflag & HalfDCLK) temp |= 0x08;
+  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x16,temp);                  /* SR01: HalfDCLK[3], 8/9 div dotclock[0] */
 
-  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x12,0x00);                  /* 0x12 CR17 */
+  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x0F,0x00);                  /* CR14: (text mode: underline location) */
+  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x12,0x00);                  /* CR17: n/a */
 
-  temp = 0x00;
+  temp = 0;
   if(SiS_Pr->SiS_LCDInfo & LCDRGB18Bit) {
-     if(SiS_GetReg(SiS_Pr->SiS_Part1Port,0x00) & 0x01) {
-        temp = 0x80;
-     }
+     temp = (SiS_GetReg(SiS_Pr->SiS_Part1Port,0x00) & 0x01) << 7;
   }
-  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x1A,temp);                  /* 0x1A SR0E */
+  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x1A,temp);                  /* SR0E, dither[7] */
 
   temp = SiS_GetRegByte((SiS_Pr->SiS_P3ca+0x02));
-  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x1b,temp);
+  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x1b,temp);                  /* ? */
+
+#ifdef SIS_XORG_XF86
+#ifdef TWDEBUG
+   xf86DrvMsg(0, X_INFO, "%d %d %d %d  %d %d %d %d  (%d %d %d %d)\n",
+        SiS_Pr->CHDisplay, SiS_Pr->CHSyncStart, SiS_Pr->CHSyncEnd, SiS_Pr->CHTotal,
+        SiS_Pr->CVDisplay, SiS_Pr->CVSyncStart, SiS_Pr->CVSyncEnd, SiS_Pr->CVTotal,
+        SiS_Pr->CHBlankStart, SiS_Pr->CHBlankEnd, SiS_Pr->CVBlankStart, SiS_Pr->CVBlankEnd);
+
+   xf86DrvMsg(0, X_INFO, " {{0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,\n",
+        SiS_Pr->CCRT1CRTC[0], SiS_Pr->CCRT1CRTC[1],
+        SiS_Pr->CCRT1CRTC[2], SiS_Pr->CCRT1CRTC[3],
+        SiS_Pr->CCRT1CRTC[4], SiS_Pr->CCRT1CRTC[5],
+        SiS_Pr->CCRT1CRTC[6], SiS_Pr->CCRT1CRTC[7]);
+   xf86DrvMsg(0, X_INFO, "   0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,\n",
+        SiS_Pr->CCRT1CRTC[8], SiS_Pr->CCRT1CRTC[9],
+        SiS_Pr->CCRT1CRTC[10], SiS_Pr->CCRT1CRTC[11],
+        SiS_Pr->CCRT1CRTC[12], SiS_Pr->CCRT1CRTC[13],
+        SiS_Pr->CCRT1CRTC[14], SiS_Pr->CCRT1CRTC[15]);
+   xf86DrvMsg(0, X_INFO, "   0x%02x}},\n", SiS_Pr->CCRT1CRTC[16]);
+#endif
+#endif
 }
 
 /* Setup panel link
@@ -5637,18 +5451,18 @@ SiS_SetGroup1_301(SiS_Private *SiS_Pr, USHORT ModeNo,USHORT ModeIdIndex,
  * 300/LVDS+TV, 300/301B-DH, 315/LVDS+TV, 315/LCDA
  */
 static void
-SiS_SetGroup1_LVDS(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
-                   PSIS_HW_INFO HwInfo, USHORT RefreshRateTableIndex)
+SiS_SetGroup1_LVDS(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex,
+                unsigned short RefreshRateTableIndex)
 {
-  USHORT modeflag,resinfo;
-  USHORT push2,tempax,tempbx,tempcx,temp;
-  ULONG tempeax=0,tempebx,tempecx,tempvcfact=0;
+  unsigned short modeflag, resinfo = 0;
+  unsigned short push2, tempax, tempbx, tempcx, temp;
+  unsigned int   tempeax = 0, tempebx, tempecx, tempvcfact = 0;
   BOOLEAN islvds = FALSE, issis  = FALSE, chkdclkfirst = FALSE;
 #ifdef SIS300
-  USHORT crt2crtc;
+  unsigned short crt2crtc = 0;
 #endif
 #ifdef SIS315H
-  USHORT pushcx;
+  unsigned short pushcx;
 #endif
 
   if(ModeNo <= 0x13) {
@@ -5659,15 +5473,11 @@ SiS_SetGroup1_LVDS(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 #endif
   } else if(SiS_Pr->UseCustomMode) {
      modeflag = SiS_Pr->CModeFlag;
-     resinfo = 0;
-#ifdef SIS300
-     crt2crtc = 0;
-#endif
   } else {
      modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag;
      resinfo = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_RESINFO;
 #ifdef SIS300
-     crt2crtc = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_CRT2CRTC;
+     crt2crtc = SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_CRT2CRTC;
 #endif
   }
 
@@ -5681,14 +5491,14 @@ SiS_SetGroup1_LVDS(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
      issis = TRUE;
   }
 
-  if((HwInfo->jChipType >= SIS_315H) && (islvds) && (!(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA))) {
+  if((SiS_Pr->ChipType >= SIS_315H) && (islvds) && (!(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA))) {
      if((!SiS_Pr->SiS_IF_DEF_FSTN) && (!SiS_Pr->SiS_IF_DEF_DSTN)) {
         chkdclkfirst = TRUE;
      }
   }
 
 #ifdef SIS315H
-  if((HwInfo->jChipType >= SIS_315H) && (SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA)) {
+  if((SiS_Pr->ChipType >= SIS_315H) && (SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA)) {
      if(IS_SIS330) {
         SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x2D,0x10);
      } else if(IS_SIS740) {
@@ -5704,7 +5514,7 @@ SiS_SetGroup1_LVDS(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
            SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x2D,0x00);
         } else if(SiS_Pr->SiS_VBType & VB_SISVB) {
            SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x2D,0x0f);
-           if(SiS_Pr->SiS_VBType & VB_SIS301C) {
+           if(SiS_Pr->SiS_VBType & VB_SIS30xC) {
               if((SiS_Pr->SiS_LCDResInfo == Panel_1024x768) ||
                  (SiS_Pr->SiS_LCDResInfo == Panel_1280x1024)) {
                  SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x2D,0x20);
@@ -5720,10 +5530,10 @@ SiS_SetGroup1_LVDS(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
   tempax = SiS_Pr->SiS_LCDHDES;
   if(islvds) {
      if(SiS_Pr->SiS_VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) {
-        if((!SiS_Pr->SiS_IF_DEF_FSTN) && (!SiS_Pr->SiS_IF_DEF_DSTN)) {
-           if((SiS_Pr->SiS_LCDResInfo == Panel_640x480) &&
-              (!(SiS_Pr->SiS_VBInfo & SetInSlaveMode))) {
-              tempax -= 8;
+        if(!SiS_Pr->SiS_IF_DEF_FSTN && !SiS_Pr->SiS_IF_DEF_DSTN) {
+           if((SiS_Pr->SiS_LCDResInfo == Panel_640x480) &&
+              (!(SiS_Pr->SiS_VBInfo & SetInSlaveMode))) {
+              tempax -= 8;
            }
         }
      }
@@ -5736,13 +5546,14 @@ SiS_SetGroup1_LVDS(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 
   tempbx = SiS_Pr->SiS_HDE;
   if(SiS_Pr->SiS_VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) {
-     if((SiS_Pr->SiS_LCDResInfo == Panel_640x480_2) ||
-        (SiS_Pr->SiS_LCDResInfo == Panel_640x480_3)) {
-        tempbx >>= 1;
-     }
      if(!(SiS_Pr->SiS_LCDInfo & LCDPass11)) {
         tempbx = SiS_Pr->PanelXRes;
      }
+     if((SiS_Pr->SiS_LCDResInfo == Panel_320x240_1) ||
+        (SiS_Pr->SiS_LCDResInfo == Panel_320x240_2) ||
+        (SiS_Pr->SiS_LCDResInfo == Panel_320x240_3)) {
+        tempbx >>= 1;
+     }
   }
 
   tempax += tempbx;
@@ -5767,25 +5578,25 @@ SiS_SetGroup1_LVDS(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
   temp = (tempcx >> 3) & 0x00FF;
   if(SiS_Pr->SiS_VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) {
      if(SiS_Pr->SiS_IF_DEF_TRUMPION) {
-        if(SiS_Pr->SiS_LCDResInfo == Panel_1024x768) {
-           switch(ModeNo) {
-           case 0x04:
-           case 0x05:
-           case 0x0d: temp = 0x56; break;
-           case 0x10: temp = 0x60; break;
-           case 0x13: temp = 0x5f; break;
-           case 0x40:
-           case 0x41:
-           case 0x4f:
-           case 0x43:
-           case 0x44:
-           case 0x62:
-           case 0x56:
-           case 0x53:
-           case 0x5d:
-           case 0x5e: temp = 0x54; break;
-           }
-        }
+        if(SiS_Pr->SiS_LCDResInfo == Panel_1024x768) {
+           switch(ModeNo) {
+           case 0x04:
+           case 0x05:
+           case 0x0d: temp = 0x56; break;
+           case 0x10: temp = 0x60; break;
+           case 0x13: temp = 0x5f; break;
+           case 0x40:
+           case 0x41:
+           case 0x4f:
+           case 0x43:
+           case 0x44:
+           case 0x62:
+           case 0x56:
+           case 0x53:
+           case 0x5d:
+           case 0x5e: temp = 0x54; break;
+           }
+        }
      }
   }
   SiS_SetReg(SiS_Pr->SiS_Part1Port,0x14,temp);                  /* BPLHRS */
@@ -5793,12 +5604,12 @@ SiS_SetGroup1_LVDS(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
   if(SiS_Pr->SiS_VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) {
      temp += 2;
      if(!(SiS_Pr->SiS_LCDInfo & LCDPass11)) {
-        temp += 8;
-        if(SiS_Pr->PanelHRE != 999) {
-           temp = tempcx + SiS_Pr->PanelHRE;
+        temp += 8;
+        if(SiS_Pr->PanelHRE != 999) {
+           temp = tempcx + SiS_Pr->PanelHRE;
            if(temp >= SiS_Pr->SiS_HT) temp -= SiS_Pr->SiS_HT;
            temp >>= 3;
-        }
+        }
      }
   } else {
      temp += 10;
@@ -5806,9 +5617,6 @@ SiS_SetGroup1_LVDS(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 
   temp &= 0x1F;
   temp |= ((tempcx & 0x07) << 5);
-#if 0
-  if(SiS_Pr->SiS_IF_DEF_FSTN) temp = 0x20;                      /* WRONG? BIOS loads cl, not ah */
-#endif
   SiS_SetReg(SiS_Pr->SiS_Part1Port,0x15,temp);                  /* BPLHRE */
 
   /* Vertical */
@@ -5826,9 +5634,9 @@ SiS_SetGroup1_LVDS(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
   push2 = tempbx;
 
   tempcx = SiS_Pr->SiS_VGAVT - SiS_Pr->SiS_VGAVDE;
-  if(HwInfo->jChipType < SIS_315H) {
+  if(SiS_Pr->ChipType < SIS_315H) {
      if(SiS_Pr->SiS_VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) {
-        if(!(SiS_Pr->SiS_LCDInfo & LCDPass11)) {
+        if(!(SiS_Pr->SiS_LCDInfo & LCDPass11)) {
            tempcx = SiS_Pr->SiS_VGAVT - SiS_Pr->PanelYRes;
         }
      }
@@ -5844,19 +5652,19 @@ SiS_SetGroup1_LVDS(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
      if(issis) tempbx++;
   } else {
      tempbx += tempcx;
-     if(HwInfo->jChipType < SIS_315H) tempbx++;
+     if(SiS_Pr->ChipType < SIS_315H) tempbx++;
      else if(issis)                   tempbx++;
   }
 
-  if(tempbx >= SiS_Pr->SiS_VT) tempbx -= SiS_Pr->SiS_VT;        /* BPLVRS  */
+  if(tempbx >= SiS_Pr->SiS_VT) tempbx -= SiS_Pr->SiS_VT;
 
   temp = tempbx & 0x00FF;
   if(SiS_Pr->SiS_IF_DEF_TRUMPION) {
      if(SiS_Pr->SiS_LCDResInfo == Panel_1024x768) {
-        if(ModeNo == 0x10) temp = 0xa9;
+        if(ModeNo == 0x10) temp = 0xa9;
      }
   }
-  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x18,temp);
+  SiS_SetReg(SiS_Pr->SiS_Part1Port,0x18,temp);                  /* BPLVRS */
 
   tempcx >>= 3;
   tempcx++;
@@ -5879,13 +5687,13 @@ SiS_SetGroup1_LVDS(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
   } else if(SiS_Pr->SiS_VGAVDE != SiS_Pr->SiS_VDE) temp |= 0x40;
   if(SiS_Pr->SiS_SetFlag & EnableLVDSDDA)          temp |= 0x40;
   tempbx = 0x87;
-  if((HwInfo->jChipType >= SIS_315H) ||
-     (HwInfo->jChipRevision >= 0x30)) {
+  if((SiS_Pr->ChipType >= SIS_315H) ||
+     (SiS_Pr->ChipRevision >= 0x30)) {
      tempbx = 0x07;
      if((SiS_Pr->SiS_IF_DEF_CH70xx == 1) && (SiS_Pr->SiS_VBInfo & SetCRT2ToTV)) {
         if(SiS_GetReg(SiS_Pr->SiS_Part1Port,0x00) & 0x03)    temp |= 0x80;
      }
-     /* Chrontel 701x operates in 24bit mode (8-8-8, 2x12bit mutliplexed) via VGA2 */
+     /* Chrontel 701x operates in 24bit mode (8-8-8, 2x12bit multiplexed) via VGA2 */
      if(SiS_Pr->SiS_LCDInfo & LCDRGB18Bit) {
         if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA) {
            if(SiS_GetReg(SiS_Pr->SiS_P3c4,0x06) & 0x10)      temp |= 0x80;
@@ -5896,59 +5704,58 @@ SiS_SetGroup1_LVDS(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
   }
   SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x1A,tempbx,temp);
 
-  tempbx = push2;                                               /* BPLVDEE */
+  tempbx = push2;                                               /* BPLVDEE */
 
-  tempcx = SiS_Pr->SiS_LCDVDES;                                 /* BPLVDES */
+  tempcx = SiS_Pr->SiS_LCDVDES;                                 /* BPLVDES */
 
   if(SiS_Pr->SiS_VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) {
      switch(SiS_Pr->SiS_LCDResInfo) {
      case Panel_640x480:
-        tempbx = SiS_Pr->SiS_VGAVDE - 1;
-        tempcx = SiS_Pr->SiS_VGAVDE;
+        tempbx = SiS_Pr->SiS_VGAVDE - 1;
+        tempcx = SiS_Pr->SiS_VGAVDE;
         break;
      case Panel_800x600:
-        if(!(SiS_Pr->SiS_VBInfo & SetInSlaveMode)) {
-           if(resinfo == SIS_RI_800x600) tempcx++;
-        }
+        if(!(SiS_Pr->SiS_VBInfo & SetInSlaveMode)) {
+           if(resinfo == SIS_RI_800x600) tempcx++;
+        }
         break;
      case Panel_1024x600:
-        if(!(SiS_Pr->SiS_VBInfo & SetInSlaveMode)) {
-           if(resinfo == SIS_RI_1024x600) tempcx++;
-           if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) {
+        if(!(SiS_Pr->SiS_VBInfo & SetInSlaveMode)) {
+           if(resinfo == SIS_RI_1024x600) tempcx++;
+           if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) {
               if(resinfo == SIS_RI_800x600) tempcx++;
            }
-        }
+        }
         break;
      case Panel_1024x768:
-        if(HwInfo->jChipType < SIS_315H) {
-           if(!(SiS_Pr->SiS_VBInfo & SetInSlaveMode)) {
-              if(resinfo == SIS_RI_1024x768) tempcx++;
+        if(SiS_Pr->ChipType < SIS_315H) {
+           if(!(SiS_Pr->SiS_VBInfo & SetInSlaveMode)) {
+              if(resinfo == SIS_RI_1024x768) tempcx++;
            }
-        }
+        }
         break;
      }
   }
 
   temp = ((tempbx >> 8) & 0x07) << 3;
-  temp = temp | ((tempcx >> 8) & 0x07);
+  temp |= ((tempcx >> 8) & 0x07);
   SiS_SetReg(SiS_Pr->SiS_Part1Port,0x1D,temp);
-  /* if(SiS_Pr->SiS_IF_DEF_FSTN) tempbx++;  */
   SiS_SetReg(SiS_Pr->SiS_Part1Port,0x1C,tempbx);
   SiS_SetReg(SiS_Pr->SiS_Part1Port,0x1B,tempcx);
 
   /* Vertical scaling */
 
-  if(HwInfo->jChipType < SIS_315H) {
+  if(SiS_Pr->ChipType < SIS_315H) {
 
 #ifdef SIS300      /* 300 series */
      tempeax = SiS_Pr->SiS_VGAVDE << 6;
-     temp = (tempeax % (ULONG)SiS_Pr->SiS_VDE);
-     tempeax = tempeax / (ULONG)SiS_Pr->SiS_VDE;
+     temp = (tempeax % (unsigned int)SiS_Pr->SiS_VDE);
+     tempeax = tempeax / (unsigned int)SiS_Pr->SiS_VDE;
      if(temp) tempeax++;
 
      if(SiS_Pr->SiS_SetFlag & EnableLVDSDDA) tempeax = 0x3F;
 
-     temp = (USHORT)(tempeax & 0x00FF);
+     temp = (unsigned short)(tempeax & 0x00FF);
      SiS_SetReg(SiS_Pr->SiS_Part1Port,0x1E,temp);       /* BPLVCFACT */
      tempvcfact = temp;
 #endif /* SIS300 */
@@ -5963,20 +5770,20 @@ SiS_SetGroup1_LVDS(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
      if(temp) tempeax++;
      tempvcfact = tempeax;
 
-     temp = (USHORT)(tempeax & 0x00FF);
+     temp = (unsigned short)(tempeax & 0x00FF);
      SiS_SetReg(SiS_Pr->SiS_Part1Port,0x37,temp);
-     temp = (USHORT)((tempeax & 0x00FF00) >> 8);
+     temp = (unsigned short)((tempeax & 0x00FF00) >> 8);
      SiS_SetReg(SiS_Pr->SiS_Part1Port,0x36,temp);
-     temp = (USHORT)((tempeax & 0x00030000) >> 16);
+     temp = (unsigned short)((tempeax & 0x00030000) >> 16);
      if(SiS_Pr->SiS_VDE == SiS_Pr->SiS_VGAVDE) temp |= 0x04;
      SiS_SetReg(SiS_Pr->SiS_Part1Port,0x35,temp);
 
-     if(SiS_Pr->SiS_VBType & (VB_SIS301C | VB_SIS302ELV)) {
-        temp = (USHORT)(tempeax & 0x00FF);
+     if(SiS_Pr->SiS_VBType & VB_SISPART4SCALER) {
+        temp = (unsigned short)(tempeax & 0x00FF);
         SiS_SetReg(SiS_Pr->SiS_Part4Port,0x3c,temp);
-        temp = (USHORT)((tempeax & 0x00FF00) >> 8);
+        temp = (unsigned short)((tempeax & 0x00FF00) >> 8);
         SiS_SetReg(SiS_Pr->SiS_Part4Port,0x3b,temp);
-        temp = (USHORT)(((tempeax & 0x00030000) >> 16) << 6);
+        temp = (unsigned short)(((tempeax & 0x00030000) >> 16) << 6);
         SiS_SetRegANDOR(SiS_Pr->SiS_Part4Port,0x3a,0x3f,temp);
         temp = 0;
         if(SiS_Pr->SiS_VDE != SiS_Pr->SiS_VGAVDE) temp |= 0x08;
@@ -5997,29 +5804,29 @@ SiS_SetGroup1_LVDS(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
      tempecx = 0xFFFF;
   } else {
      tempecx = tempebx / SiS_Pr->SiS_HDE;
-     if(HwInfo->jChipType >= SIS_315H) {
+     if(SiS_Pr->ChipType >= SIS_315H) {
         if(tempebx % SiS_Pr->SiS_HDE) tempecx++;
      }
   }
 
-  if(HwInfo->jChipType >= SIS_315H) {
+  if(SiS_Pr->ChipType >= SIS_315H) {
      tempeax = (tempebx / tempecx) - 1;
   } else {
      tempeax = ((SiS_Pr->SiS_VGAHT << 16) / tempecx) - 1;
   }
   tempecx = (tempecx << 16) | (tempeax & 0xFFFF);
-  temp = (USHORT)(tempecx & 0x00FF);
+  temp = (unsigned short)(tempecx & 0x00FF);
   SiS_SetReg(SiS_Pr->SiS_Part1Port,0x1F,temp);
 
-  if(HwInfo->jChipType >= SIS_315H) {
+  if(SiS_Pr->ChipType >= SIS_315H) {
      tempeax = (SiS_Pr->SiS_VGAVDE << 18) / tempvcfact;
-     tempbx = (USHORT)(tempeax & 0xFFFF);
+     tempbx = (unsigned short)(tempeax & 0xFFFF);
   } else {
      tempeax = SiS_Pr->SiS_VGAVDE << 6;
      tempbx = tempvcfact & 0x3f;
      if(tempbx == 0) tempbx = 64;
      tempeax /= tempbx;
-     tempbx = (USHORT)(tempeax & 0xFFFF);
+     tempbx = (unsigned short)(tempeax & 0xFFFF);
   }
   if(SiS_Pr->SiS_LCDResInfo == Panel_1024x768) tempbx--;
   if(SiS_Pr->SiS_SetFlag & EnableLVDSDDA) {
@@ -6032,24 +5839,24 @@ SiS_SetGroup1_LVDS(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
   SiS_SetReg(SiS_Pr->SiS_Part1Port,0x20,temp);
   SiS_SetReg(SiS_Pr->SiS_Part1Port,0x21,tempbx);
 
-  tempecx >>= 16;                                               /* BPLHCFACT  */
+  tempecx >>= 16;                                               /* BPLHCFACT  */
   if(!chkdclkfirst) {
      if(modeflag & HalfDCLK) tempecx >>= 1;
   }
-  temp = (USHORT)((tempecx & 0xFF00) >> 8);
+  temp = (unsigned short)((tempecx & 0xFF00) >> 8);
   SiS_SetReg(SiS_Pr->SiS_Part1Port,0x22,temp);
-  temp = (USHORT)(tempecx & 0x00FF);
+  temp = (unsigned short)(tempecx & 0x00FF);
   SiS_SetReg(SiS_Pr->SiS_Part1Port,0x23,temp);
 
 #ifdef SIS315H
-  if(HwInfo->jChipType >= SIS_315H) {
+  if(SiS_Pr->ChipType >= SIS_315H) {
      if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA) {
-        if((islvds) || (SiS_Pr->SiS_VBInfo & VB_SIS301LV302LV)) {
+        if((islvds) || (SiS_Pr->SiS_VBInfo & VB_SISLVDS)) {
            SiS_SetReg(SiS_Pr->SiS_Part1Port,0x1e,0x20);
         }
      } else {
         if(islvds) {
-           if(HwInfo->jChipType == SIS_740) {
+           if(SiS_Pr->ChipType == SIS_740) {
               SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x1e,0x03);
            } else {
               SiS_SetReg(SiS_Pr->SiS_Part1Port,0x1e,0x23);
@@ -6061,17 +5868,26 @@ SiS_SetGroup1_LVDS(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 
 #ifdef SIS300
   if(SiS_Pr->SiS_IF_DEF_TRUMPION) {
-     int i;
-     UCHAR TrumpMode13[4]   = { 0x01, 0x10, 0x2c, 0x00 };
-     UCHAR TrumpMode10_1[4] = { 0x01, 0x10, 0x27, 0x00 };
-     UCHAR TrumpMode10_2[4] = { 0x01, 0x16, 0x10, 0x00 };
+     unsigned char *ROMAddr = SiS_Pr->VirtualRomBase;
+     unsigned char *trumpdata;
+     int   i, j = crt2crtc;
+     unsigned char TrumpMode13[4]   = { 0x01, 0x10, 0x2c, 0x00 };
+     unsigned char TrumpMode10_1[4] = { 0x01, 0x10, 0x27, 0x00 };
+     unsigned char TrumpMode10_2[4] = { 0x01, 0x16, 0x10, 0x00 };
+
+     if(SiS_Pr->SiS_UseROM) {
+        trumpdata = &ROMAddr[0x8001 + (j * 80)];
+     } else {
+        if(SiS_Pr->SiS_LCDTypeInfo == 0x0e) j += 7;
+        trumpdata = &SiS300_TrumpionData[j][0];
+     }
 
      SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x02,0xbf);
      for(i=0; i<5; i++) {
-        SiS_SetTrumpionBlock(SiS_Pr, &SiS300_TrumpionData[crt2crtc][0]);
+        SiS_SetTrumpionBlock(SiS_Pr, trumpdata);
      }
      if(SiS_Pr->SiS_LCDResInfo == Panel_1024x768) {
-        if(ModeNo == 0x13) {
+        if(ModeNo == 0x13) {
            for(i=0; i<4; i++) {
               SiS_SetTrumpionBlock(SiS_Pr, &TrumpMode13[0]);
            }
@@ -6095,67 +5911,66 @@ SiS_SetGroup1_LVDS(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
      SiS_SetReg(SiS_Pr->SiS_Part1Port,0x29,0x5A);
      SiS_SetReg(SiS_Pr->SiS_Part1Port,0x2A,0x4B);
      SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x44,~0x07,0x03);
-     tempax = SiS_Pr->SiS_HDE;                                  /* Blps = lcdhdee(lcdhdes+HDE) + 64 */
-     if(SiS_Pr->SiS_LCDResInfo == Panel_640x480_2 ||
-        SiS_Pr->SiS_LCDResInfo == Panel_640x480_3) tempax >>= 1;
+     tempax = SiS_Pr->SiS_HDE;                                  /* Blps = lcdhdee(lcdhdes+HDE) + 64 */
+     if(SiS_Pr->SiS_LCDResInfo == Panel_320x240_1 ||
+        SiS_Pr->SiS_LCDResInfo == Panel_320x240_2 ||
+        SiS_Pr->SiS_LCDResInfo == Panel_320x240_3) tempax >>= 1;
      tempax += 64;
-     temp = tempax & 0x00FF;
-     SiS_SetReg(SiS_Pr->SiS_Part1Port,0x38,temp);
-     temp = ((tempax & 0xFF00) >> 8) << 3;
+     SiS_SetReg(SiS_Pr->SiS_Part1Port,0x38,tempax & 0xff);
+     temp = (tempax >> 8) << 3;
      SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x35,~0x078,temp);
-     tempax += 32;                                              /* Blpe=lBlps+32 */
-     temp = tempax & 0x00FF;
-     if(SiS_Pr->SiS_IF_DEF_FSTN) temp = 0;
-     SiS_SetReg(SiS_Pr->SiS_Part1Port,0x39,temp);
-     SiS_SetReg(SiS_Pr->SiS_Part1Port,0x3A,0x00);               /* Bflml=0 */
-     SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x3C,~0x007,0x00);
+     tempax += 32;                                              /* Blpe = lBlps+32 */
+     SiS_SetReg(SiS_Pr->SiS_Part1Port,0x39,tempax & 0xff);
+     SiS_SetReg(SiS_Pr->SiS_Part1Port,0x3A,0x00);               /* Bflml = 0 */
+     SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x3C,~0x007);
 
      tempax = SiS_Pr->SiS_VDE;
-     if(SiS_Pr->SiS_LCDResInfo == Panel_640x480_2 ||
-        SiS_Pr->SiS_LCDResInfo == Panel_640x480_3) tempax >>= 1;
+     if(SiS_Pr->SiS_LCDResInfo == Panel_320x240_1 ||
+        SiS_Pr->SiS_LCDResInfo == Panel_320x240_2 ||
+        SiS_Pr->SiS_LCDResInfo == Panel_320x240_3) tempax >>= 1;
      tempax >>= 1;
-     temp = tempax & 0x00FF;
-     SiS_SetReg(SiS_Pr->SiS_Part1Port,0x3B,temp);
-     temp = ((tempax & 0xFF00) >> 8) << 3;
+     SiS_SetReg(SiS_Pr->SiS_Part1Port,0x3B,tempax & 0xff);
+     temp = (tempax >> 8) << 3;
      SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x3C,~0x038,temp);
 
      tempeax = SiS_Pr->SiS_HDE;
-     if(SiS_Pr->SiS_LCDResInfo == Panel_640x480_2 ||
-        SiS_Pr->SiS_LCDResInfo == Panel_640x480_3) tempeax >>= 1;
-     tempeax <<= 2;                                             /* BDxFIFOSTOP = (HDE*4)/128 */
-     tempebx = 128;
-     temp = (USHORT)(tempeax % tempebx);
-     tempeax = tempeax / tempebx;
+     if(SiS_Pr->SiS_LCDResInfo == Panel_320x240_1 ||
+        SiS_Pr->SiS_LCDResInfo == Panel_320x240_2 ||
+        SiS_Pr->SiS_LCDResInfo == Panel_320x240_3) tempeax >>= 1;
+     tempeax <<= 2;                                             /* BDxFIFOSTOP = (HDE*4)/128 */
+     temp = tempeax & 0x7f;
+     tempeax >>= 7;
      if(temp) tempeax++;
-     temp = (USHORT)(tempeax & 0x003F);
-     SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x45,~0x0FF,temp);
-     SiS_SetReg(SiS_Pr->SiS_Part1Port,0x3F,0x00);               /* BDxWadrst0 */
+     temp = tempeax & 0x3f;
+     SiS_SetReg(SiS_Pr->SiS_Part1Port,0x45,temp);
+     SiS_SetReg(SiS_Pr->SiS_Part1Port,0x3F,0x00);               /* BDxWadrst0 */
      SiS_SetReg(SiS_Pr->SiS_Part1Port,0x3E,0x00);
      SiS_SetReg(SiS_Pr->SiS_Part1Port,0x3D,0x10);
-     SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x3C,~0x040,0x00);
+     SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x3C,~0x040);
 
      tempax = SiS_Pr->SiS_HDE;
-     if(SiS_Pr->SiS_LCDResInfo == Panel_640x480_2 ||
-        SiS_Pr->SiS_LCDResInfo == Panel_640x480_3) tempax >>= 1;
-     tempax >>= 4;                                              /* BDxWadroff = HDE*4/8/8 */
+     if(SiS_Pr->SiS_LCDResInfo == Panel_320x240_1 ||
+        SiS_Pr->SiS_LCDResInfo == Panel_320x240_2 ||
+        SiS_Pr->SiS_LCDResInfo == Panel_320x240_3) tempax >>= 1;
+     tempax >>= 4;                                              /* BDxWadroff = HDE*4/8/8 */
      pushcx = tempax;
      temp = tempax & 0x00FF;
      SiS_SetReg(SiS_Pr->SiS_Part1Port,0x43,temp);
      temp = ((tempax & 0xFF00) >> 8) << 3;
      SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x44,~0x0F8,temp);
 
-     tempax = SiS_Pr->SiS_VDE;                                  /* BDxWadrst1 = BDxWadrst0 + BDxWadroff * VDE */
-     if(SiS_Pr->SiS_LCDResInfo == Panel_640x480_2 ||
-        SiS_Pr->SiS_LCDResInfo == Panel_640x480_3) tempax >>= 1;
-     tempeax = (tempax * pushcx);
-     tempebx = 0x00100000 + tempeax;
-     temp = (USHORT)tempebx & 0x000000FF;
+     tempax = SiS_Pr->SiS_VDE;                                  /* BDxWadrst1 = BDxWadrst0 + BDxWadroff * VDE */
+     if(SiS_Pr->SiS_LCDResInfo == Panel_320x240_1 ||
+        SiS_Pr->SiS_LCDResInfo == Panel_320x240_2 ||
+        SiS_Pr->SiS_LCDResInfo == Panel_320x240_3) tempax >>= 1;
+     tempeax = tempax * pushcx;
+     temp = tempeax & 0xFF;
      SiS_SetReg(SiS_Pr->SiS_Part1Port,0x42,temp);
-     temp = (USHORT)((tempebx & 0x0000FF00) >> 8);
+     temp = (tempeax & 0xFF00) >> 8;
      SiS_SetReg(SiS_Pr->SiS_Part1Port,0x41,temp);
-     temp = (USHORT)((tempebx & 0x00FF0000) >> 16);
+     temp = ((tempeax & 0xFF0000) >> 16) | 0x10;
      SiS_SetReg(SiS_Pr->SiS_Part1Port,0x40,temp);
-     temp = (USHORT)(((tempebx & 0x01000000) >> 24) << 7);
+     temp = ((tempeax & 0x01000000) >> 24) << 7;
      SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x3C,~0x080,temp);
 
      SiS_SetReg(SiS_Pr->SiS_Part1Port,0x2F,0x03);
@@ -6192,20 +6007,20 @@ SiS_SetGroup1_LVDS(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 
 /* Set Part 1 */
 static void
-SiS_SetGroup1(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
-              PSIS_HW_INFO HwInfo, USHORT RefreshRateTableIndex)
+SiS_SetGroup1(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex,
+                unsigned short RefreshRateTableIndex)
 {
 #if defined(SIS300) || defined(SIS315H)
-  UCHAR   *ROMAddr = HwInfo->pjVirtualRomBase;
+  unsigned char   *ROMAddr = SiS_Pr->VirtualRomBase;
 #endif
-  USHORT  temp=0, tempax=0, tempbx=0, tempcx=0, bridgeadd=0;
-  USHORT  pushbx=0, CRT1Index=0, modeflag, resinfo=0;
+  unsigned short  temp=0, tempax=0, tempbx=0, tempcx=0, bridgeadd=0;
+  unsigned short  pushbx=0, CRT1Index=0, modeflag, resinfo=0;
 #ifdef SIS315H
-  USHORT  tempbl=0;
+  unsigned short  tempbl=0;
 #endif
 
   if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA) {
-     SiS_SetGroup1_LVDS(SiS_Pr, ModeNo, ModeIdIndex, HwInfo, RefreshRateTableIndex);
+     SiS_SetGroup1_LVDS(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex);
      return;
   }
 
@@ -6214,47 +6029,47 @@ SiS_SetGroup1(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
   } else if(SiS_Pr->UseCustomMode) {
      modeflag = SiS_Pr->CModeFlag;
   } else {
-     CRT1Index = SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_CRT1CRTC;
+     CRT1Index = SiS_GetRefCRT1CRTC(SiS_Pr, RefreshRateTableIndex, SiS_Pr->SiS_UseWideCRT2);
      resinfo = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_RESINFO;
      modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag;
   }
 
-  SiS_SetCRT2Offset(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex, HwInfo);
+  SiS_SetCRT2Offset(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex);
 
-  if( ! ((HwInfo->jChipType >= SIS_315H) &&
+  if( ! ((SiS_Pr->ChipType >= SIS_315H) &&
          (SiS_Pr->SiS_IF_DEF_LVDS == 1) &&
          (SiS_Pr->SiS_VBInfo & SetInSlaveMode)) ) {
 
-     if(HwInfo->jChipType < SIS_315H ) {
+     if(SiS_Pr->ChipType < SIS_315H ) {
 #ifdef SIS300
-        SiS_SetCRT2FIFO_300(SiS_Pr, ModeNo, HwInfo);
+        SiS_SetCRT2FIFO_300(SiS_Pr, ModeNo);
 #endif
      } else {
 #ifdef SIS315H
-        SiS_SetCRT2FIFO_310(SiS_Pr, HwInfo);
+        SiS_SetCRT2FIFO_310(SiS_Pr);
 #endif
      }
 
      /* 1. Horizontal setup */
 
-     if(HwInfo->jChipType < SIS_315H ) {
+     if(SiS_Pr->ChipType < SIS_315H ) {
 
 #ifdef SIS300   /* ------------- 300 series --------------*/
 
-        temp = (SiS_Pr->SiS_VGAHT - 1) & 0x0FF;                   /* BTVGA2HT 0x08,0x09 */
-        SiS_SetReg(SiS_Pr->SiS_Part1Port,0x08,temp);              /* CRT2 Horizontal Total */
+        temp = (SiS_Pr->SiS_VGAHT - 1) & 0x0FF;                   /* BTVGA2HT 0x08,0x09 */
+        SiS_SetReg(SiS_Pr->SiS_Part1Port,0x08,temp);              /* CRT2 Horizontal Total */
 
-        temp = (((SiS_Pr->SiS_VGAHT - 1) & 0xFF00) >> 8) << 4;
-        SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x09,0x0f,temp);    /* CRT2 Horizontal Total Overflow [7:4] */
+        temp = (((SiS_Pr->SiS_VGAHT - 1) & 0xFF00) >> 8) << 4;
+        SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x09,0x0f,temp);    /* CRT2 Horizontal Total Overflow [7:4] */
 
-        temp = (SiS_Pr->SiS_VGAHDE + 12) & 0x0FF;                 /* BTVGA2HDEE 0x0A,0x0C */
-        SiS_SetReg(SiS_Pr->SiS_Part1Port,0x0A,temp);              /* CRT2 Horizontal Display Enable End */
+        temp = (SiS_Pr->SiS_VGAHDE + 12) & 0x0FF;                 /* BTVGA2HDEE 0x0A,0x0C */
+        SiS_SetReg(SiS_Pr->SiS_Part1Port,0x0A,temp);              /* CRT2 Horizontal Display Enable End */
 
         pushbx = SiS_Pr->SiS_VGAHDE + 12;                         /* bx  BTVGA2HRS 0x0B,0x0C */
-        tempcx = (SiS_Pr->SiS_VGAHT - SiS_Pr->SiS_VGAHDE) >> 2;
-        tempbx = pushbx + tempcx;
-        tempcx <<= 1;
-        tempcx += tempbx;
+        tempcx = (SiS_Pr->SiS_VGAHT - SiS_Pr->SiS_VGAHDE) >> 2;
+        tempbx = pushbx + tempcx;
+        tempcx <<= 1;
+        tempcx += tempbx;
 
         bridgeadd = 12;
 
@@ -6301,7 +6116,7 @@ SiS_SetGroup1(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
         bridgeadd = 16;
 
         if(SiS_Pr->SiS_VBType & VB_SISVB) {
-           if(HwInfo->jChipType >= SIS_661) {
+           if(SiS_Pr->ChipType >= SIS_661) {
               if((SiS_Pr->SiS_LCDResInfo == Panel_1600x1200) ||
                  (SiS_Pr->SiS_LCDResInfo == Panel_1280x1024)) {
                  if(resinfo == SIS_RI_1280x1024) {
@@ -6319,7 +6134,7 @@ SiS_SetGroup1(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 
      if(SiS_Pr->SiS_VBType & VB_SISVB) {
 
-        if(SiS_Pr->UseCustomMode) {
+        if(SiS_Pr->UseCustomMode) {
            tempbx = SiS_Pr->CHSyncStart + bridgeadd;
            tempcx = SiS_Pr->CHSyncEnd + bridgeadd;
            tempax = SiS_Pr->SiS_VGAHT;
@@ -6341,22 +6156,22 @@ SiS_SetGroup1(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
               cr5  = SiS_Pr->SiS_CRT1Table[CRT1Index].CR[5];
               cr15 = SiS_Pr->SiS_CRT1Table[CRT1Index].CR[15];
            }
-           tempbx = ((cr4 | ((cr14 & 0xC0) << 2)) - 3) << 3;                /* (VGAHRS-3)*8 */
-           tempcx = (((cr5 & 0x1f) | ((cr15 & 0x04) << (5-2))) - 3) << 3;   /* (VGAHRE-3)*8 */
+           tempbx = ((cr4 | ((cr14 & 0xC0) << 2)) - 3) << 3;                /* (VGAHRS-3)*8 */
+           tempcx = (((cr5 & 0x1f) | ((cr15 & 0x04) << (5-2))) - 3) << 3;   /* (VGAHRE-3)*8 */
            tempcx &= 0x00FF;
            tempcx |= (tempbx & 0xFF00);
-           tempbx += bridgeadd;
-           tempcx += bridgeadd;
+           tempbx += bridgeadd;
+           tempcx += bridgeadd;
            tempax = SiS_Pr->SiS_VGAHT;
            if(modeflag & HalfDCLK) tempax >>= 1;
            tempax--;
            if(tempcx > tempax) tempcx = tempax;
-        }
+        }
 
-        if(SiS_Pr->SiS_TVMode & TVSetNTSC1024) {
-           tempbx = 1040;
-           tempcx = 1044;   /* HWCursor bug! */
-        }
+        if(SiS_Pr->SiS_TVMode & (TVSetNTSC1024 | TVSet525p1024)) {
+           tempbx = 1040;
+           tempcx = 1044;   /* HWCursor bug! */
+        }
 
      }
 
@@ -6372,18 +6187,18 @@ SiS_SetGroup1(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
      tempcx = SiS_Pr->SiS_VGAVT - 1;
      temp = tempcx & 0x00FF;
 
-     if(HwInfo->jChipType < SIS_661) {
+     if(SiS_Pr->ChipType < SIS_661) {
         if(SiS_Pr->SiS_IF_DEF_LVDS == 1) {
-           if(HwInfo->jChipType < SIS_315H) {
+           if(SiS_Pr->ChipType < SIS_315H) {
               if(SiS_Pr->SiS_IF_DEF_CH70xx != 0) {
                  if(SiS_Pr->SiS_VBInfo & (SetCRT2ToSVIDEO | SetCRT2ToAVIDEO)) {
                     temp--;
                  }
-              }
+              }
            } else {
-              temp--;
-           }
-        } else if(HwInfo->jChipType >= SIS_315H) {
+              temp--;
+           }
+        } else if(SiS_Pr->ChipType >= SIS_315H) {
            temp--;
         }
      }
@@ -6395,9 +6210,9 @@ SiS_SetGroup1(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
      temp = ((tempbx >> 5) & 0x38) | ((tempcx >> 8) & 0x07);
      SiS_SetReg(SiS_Pr->SiS_Part1Port,0x12,temp);                 /* Overflow */
 
-     if((HwInfo->jChipType >= SIS_315H) && (HwInfo->jChipType < SIS_661)) {
-        tempbx++;
-        tempax = tempbx;
+     if((SiS_Pr->ChipType >= SIS_315H) && (SiS_Pr->ChipType < SIS_661)) {
+        tempbx++;
+        tempax = tempbx;
         tempcx++;
         tempcx -= tempax;
         tempcx >>= 2;
@@ -6407,8 +6222,8 @@ SiS_SetGroup1(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
         tempcx += tempbx;
         tempcx++;
      } else {
-        tempbx = (SiS_Pr->SiS_VGAVT + SiS_Pr->SiS_VGAVDE) >> 1;                 /*  BTVGA2VRS     0x10,0x11   */
-        tempcx = ((SiS_Pr->SiS_VGAVT - SiS_Pr->SiS_VGAVDE) >> 4) + tempbx + 1;  /*  BTVGA2VRE     0x11        */
+        tempbx = (SiS_Pr->SiS_VGAVT + SiS_Pr->SiS_VGAVDE) >> 1;                 /*  BTVGA2VRS     0x10,0x11   */
+        tempcx = ((SiS_Pr->SiS_VGAVT - SiS_Pr->SiS_VGAVDE) >> 4) + tempbx + 1;  /*  BTVGA2VRE     0x11        */
      }
 
      if(SiS_Pr->SiS_VBType & VB_SISVB) {
@@ -6416,7 +6231,7 @@ SiS_SetGroup1(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
            tempbx = SiS_Pr->CVSyncStart;
            tempcx = SiS_Pr->CVSyncEnd;
         }
-        if(SiS_Pr->SiS_VBInfo & SetCRT2ToRAMDAC) {
+        if(SiS_Pr->SiS_VBInfo & SetCRT2ToRAMDAC) {
            unsigned char cr8, cr7, cr13;
            if(SiS_Pr->UseCustomMode) {
               cr8    = SiS_Pr->CCRT1CRTC[8];
@@ -6429,11 +6244,11 @@ SiS_SetGroup1(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
               cr13   = SiS_Pr->SiS_CRT1Table[CRT1Index].CR[13];
               tempcx = SiS_Pr->SiS_CRT1Table[CRT1Index].CR[9];
            }
-           tempbx = cr8;
-           if(cr7  & 0x04) tempbx |= 0x0100;
-           if(cr7  & 0x80) tempbx |= 0x0200;
-           if(cr13 & 0x08) tempbx |= 0x0400;
-        }
+           tempbx = cr8;
+           if(cr7  & 0x04) tempbx |= 0x0100;
+           if(cr7  & 0x80) tempbx |= 0x0200;
+           if(cr13 & 0x08) tempbx |= 0x0400;
+        }
      }
      SiS_SetReg(SiS_Pr->SiS_Part1Port,0x10,tempbx);               /* CRT2 Vertical Retrace Start */
 
@@ -6442,13 +6257,13 @@ SiS_SetGroup1(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 
      /* 3. Panel delay compensation */
 
-     if(HwInfo->jChipType < SIS_315H) {
+     if(SiS_Pr->ChipType < SIS_315H) {
 
 #ifdef SIS300  /* ---------- 300 series -------------- */
 
         if(SiS_Pr->SiS_VBType & VB_SISVB) {
            temp = 0x20;
-           if(HwInfo->jChipType == SIS_300) {
+           if(SiS_Pr->ChipType == SIS_300) {
               temp = 0x10;
               if(SiS_Pr->SiS_LCDResInfo == Panel_1024x768)  temp = 0x2c;
               if(SiS_Pr->SiS_LCDResInfo == Panel_1280x1024) temp = 0x20;
@@ -6460,24 +6275,23 @@ SiS_SetGroup1(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
            if(SiS_Pr->SiS_LCDResInfo == Panel_Custom)       temp = 0x2c;
            if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV)             temp = 0x08;
            if(SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision) {
-              if(SiS_Pr->SiS_VBInfo & SetInSlaveMode)       temp = 0x2c;
-              else                                          temp = 0x20;
-           }
+              if(SiS_Pr->SiS_VBInfo & SetInSlaveMode)       temp = 0x2c;
+              else                                          temp = 0x20;
+           }
            if(SiS_Pr->SiS_UseROM) {
               if(ROMAddr[0x220] & 0x80) {
-                 if(SiS_Pr->SiS_VBInfo & SetCRT2ToTVNoYPbPrHiVision)
-                    temp = ROMAddr[0x221];
+                 if(SiS_Pr->SiS_VBInfo & SetCRT2ToTVNoYPbPrHiVision)
+                    temp = ROMAddr[0x221];
                  else if(SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision)
                     temp = ROMAddr[0x222];
                  else if(SiS_Pr->SiS_LCDResInfo == Panel_1280x1024)
                     temp = ROMAddr[0x223];
                  else
                     temp = ROMAddr[0x224];
-                 temp &= 0x3c;
               }
            }
            if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {
-              if(SiS_Pr->PDC != -1)  temp = SiS_Pr->PDC & 0x3c;
+              if(SiS_Pr->PDC != -1)  temp = SiS_Pr->PDC;
            }
 
         } else {
@@ -6487,15 +6301,17 @@ SiS_SetGroup1(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
            }
            if(SiS_Pr->SiS_UseROM) {
               if(ROMAddr[0x220] & 0x80) {
-                 temp = ROMAddr[0x220] & 0x3c;
+                 temp = ROMAddr[0x220];
               }
            }
            if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {
-              if(SiS_Pr->PDC != -1) temp = SiS_Pr->PDC & 0x3c;
+              if(SiS_Pr->PDC != -1) temp = SiS_Pr->PDC;
            }
-        }
+        }
 
-        SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x13,~0x3C,temp);   /* Panel Link Delay Compensation; (Software Command Reset; Power Saving) */
+        temp &= 0x3c;
+
+        SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x13,~0x3C,temp);   /* Panel Link Delay Compensation; (Software Command Reset; Power Saving) */
 
 #endif  /* SIS300 */
 
@@ -6503,16 +6319,16 @@ SiS_SetGroup1(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 
 #ifdef SIS315H   /* --------------- 315/330 series ---------------*/
 
-        if(HwInfo->jChipType < SIS_661) {
+        if(SiS_Pr->ChipType < SIS_661) {
 
            if(SiS_Pr->SiS_IF_DEF_LVDS == 1) {
 
-              if(HwInfo->jChipType == SIS_740) temp = 0x03;
-              else                             temp = 0x00;
+              if(SiS_Pr->ChipType == SIS_740) temp = 0x03;
+              else                            temp = 0x00;
 
               if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) temp = 0x0a;
               tempbl = 0xF0;
-              if(HwInfo->jChipType == SIS_650) {
+              if(SiS_Pr->ChipType == SIS_650) {
                  if(SiS_Pr->SiS_IF_DEF_CH70xx != 0) {
                     if(!(SiS_Pr->SiS_VBInfo & SetCRT2ToTV)) tempbl = 0x0F;
                  }
@@ -6531,10 +6347,10 @@ SiS_SetGroup1(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 
         } /* < 661 */
 
-        tempax = 0;
-        if(modeflag & DoubleScanMode) tempax |= 0x80;
-        if(modeflag & HalfDCLK)       tempax |= 0x40;
-        SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x2C,0x3f,tempax);
+        tempax = 0;
+        if(modeflag & DoubleScanMode) tempax |= 0x80;
+        if(modeflag & HalfDCLK)       tempax |= 0x40;
+        SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x2C,0x3f,tempax);
 
 #endif  /* SIS315H */
 
@@ -6544,21 +6360,21 @@ SiS_SetGroup1(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 
   if(SiS_Pr->SiS_VBType & VB_SISVB) {
      if((SiS_Pr->SiS_VBType & VB_NoLCD) && (SiS_Pr->SiS_VBInfo & SetCRT2ToLCD)) {
-        /* For 301BDH with LCD, we set up the Panel Link */
-        SiS_SetGroup1_LVDS(SiS_Pr, ModeNo, ModeIdIndex, HwInfo, RefreshRateTableIndex);
+        /* For 301BDH with LCD, we set up the Panel Link */
+        SiS_SetGroup1_LVDS(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex);
      } else if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) {
-        SiS_SetGroup1_301(SiS_Pr, ModeNo, ModeIdIndex, HwInfo, RefreshRateTableIndex);
+        SiS_SetGroup1_301(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex);
      }
   } else {
-     if(HwInfo->jChipType < SIS_315H) {
-        SiS_SetGroup1_LVDS(SiS_Pr, ModeNo, ModeIdIndex, HwInfo, RefreshRateTableIndex);
+     if(SiS_Pr->ChipType < SIS_315H) {
+        SiS_SetGroup1_LVDS(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex);
      } else {
         if(SiS_Pr->SiS_IF_DEF_CH70xx != 0) {
-           if((!(SiS_Pr->SiS_VBInfo & SetCRT2ToTV)) || (SiS_Pr->SiS_VBInfo & SetInSlaveMode)) {
-              SiS_SetGroup1_LVDS(SiS_Pr, ModeNo,ModeIdIndex, HwInfo,RefreshRateTableIndex);
-           }
+           if((!(SiS_Pr->SiS_VBInfo & SetCRT2ToTV)) || (SiS_Pr->SiS_VBInfo & SetInSlaveMode)) {
+              SiS_SetGroup1_LVDS(SiS_Pr, ModeNo,ModeIdIndex,RefreshRateTableIndex);
+           }
         } else {
-           SiS_SetGroup1_LVDS(SiS_Pr, ModeNo,ModeIdIndex, HwInfo,RefreshRateTableIndex);
+           SiS_SetGroup1_LVDS(SiS_Pr, ModeNo,ModeIdIndex,RefreshRateTableIndex);
         }
      }
   }
@@ -6569,11 +6385,11 @@ SiS_SetGroup1(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 /*********************************************/
 
 #ifdef SIS315H
-static UCHAR *
-SiS_GetGroup2CLVXPtr(SiS_Private *SiS_Pr, int tabletype, PSIS_HW_INFO HwInfo)
+static unsigned char *
+SiS_GetGroup2CLVXPtr(struct SiS_Private *SiS_Pr, int tabletype)
 {
-   const UCHAR  *tableptr = NULL;
-   USHORT       a, b, p = 0;
+   const unsigned char *tableptr = NULL;
+   unsigned short      a, b, p = 0;
 
    a = SiS_Pr->SiS_VGAHDE;
    b = SiS_Pr->SiS_HDE;
@@ -6606,25 +6422,25 @@ SiS_GetGroup2CLVXPtr(SiS_Private *SiS_Pr, int tabletype, PSIS_HW_INFO HwInfo)
       if((tableptr[p] | tableptr[p+1] << 8) == 0xffff) p -= 0x42;
    }
    p += 2;
-   return((UCHAR *)&tableptr[p]);
+   return ((unsigned char *)&tableptr[p]);
 }
 
 static void
-SiS_SetGroup2_C_ELV(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
-                    USHORT RefreshRateTableIndex, PSIS_HW_INFO HwInfo)
+SiS_SetGroup2_C_ELV(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex,
+                    unsigned short RefreshRateTableIndex)
 {
-   UCHAR *tableptr;
+   unsigned char *tableptr;
+   unsigned char temp;
    int i, j;
-   UCHAR temp;
 
-   if(!(SiS_Pr->SiS_VBType & (VB_SIS301C | VB_SIS302ELV))) return;
+   if(!(SiS_Pr->SiS_VBType & VB_SISTAP4SCALER)) return;
 
-   tableptr = SiS_GetGroup2CLVXPtr(SiS_Pr, 0, HwInfo);
+   tableptr = SiS_GetGroup2CLVXPtr(SiS_Pr, 0);
    for(i = 0x80, j = 0; i <= 0xbf; i++, j++) {
       SiS_SetReg(SiS_Pr->SiS_Part2Port, i, tableptr[j]);
    }
    if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
-      tableptr = SiS_GetGroup2CLVXPtr(SiS_Pr, 1, HwInfo);
+      tableptr = SiS_GetGroup2CLVXPtr(SiS_Pr, 1);
       for(i = 0xc0, j = 0; i <= 0xff; i++, j++) {
          SiS_SetReg(SiS_Pr->SiS_Part2Port, i, tableptr[j]);
       }
@@ -6635,12 +6451,12 @@ SiS_SetGroup2_C_ELV(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 }
 
 static BOOLEAN
-SiS_GetCRT2Part2Ptr(SiS_Private *SiS_Pr,USHORT ModeNo,USHORT ModeIdIndex,
-                    USHORT RefreshRateTableIndex,USHORT *CRT2Index,
-                    USHORT *ResIndex,PSIS_HW_INFO HwInfo)
+SiS_GetCRT2Part2Ptr(struct SiS_Private *SiS_Pr,unsigned short ModeNo,unsigned short ModeIdIndex,
+                    unsigned short RefreshRateTableIndex,unsigned short *CRT2Index,
+                    unsigned short *ResIndex)
 {
 
-  if(HwInfo->jChipType < SIS_315H) return FALSE;
+  if(SiS_Pr->ChipType < SIS_315H) return FALSE;
 
   if(ModeNo <= 0x13)
      (*ResIndex) = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_CRT2CRTC;
@@ -6661,82 +6477,79 @@ SiS_GetCRT2Part2Ptr(SiS_Private *SiS_Pr,USHORT ModeNo,USHORT ModeIdIndex,
         if(SiS_Pr->SiS_SetFlag & LCDVESATiming) (*CRT2Index) = 206;
      }
   }
-  return(((*CRT2Index) != 0));
+  return (((*CRT2Index) != 0));
 }
 #endif
 
 #ifdef SIS300
 static void
-SiS_Group2LCDSpecial(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT ModeNo, USHORT crt2crtc)
+SiS_Group2LCDSpecial(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short crt2crtc)
 {
-   USHORT tempcx;
-   const UCHAR atable[] = {
+   unsigned short tempcx;
+   static const unsigned char atable[] = {
        0xc3,0x9e,0xc3,0x9e,0x02,0x02,0x02,
        0xab,0x87,0xab,0x9e,0xe7,0x02,0x02
    };
 
    if(!SiS_Pr->UseCustomMode) {
-      if( ( ( (HwInfo->jChipType == SIS_630) ||
-              (HwInfo->jChipType == SIS_730) ) &&
-            (HwInfo->jChipRevision > 2) )  &&
-          (SiS_Pr->SiS_LCDResInfo == Panel_1024x768) &&
-          (!(SiS_Pr->SiS_SetFlag & LCDVESATiming))  &&
-          (!(SiS_Pr->SiS_LCDInfo & DontExpandLCD)) ) {
-         if(ModeNo == 0x13) {
-            SiS_SetReg(SiS_Pr->SiS_Part2Port,0x04,0xB9);
-            SiS_SetReg(SiS_Pr->SiS_Part2Port,0x05,0xCC);
-            SiS_SetReg(SiS_Pr->SiS_Part2Port,0x06,0xA6);
-         } else {
-            if((crt2crtc & 0x3F) == 4) {
-               SiS_SetReg(SiS_Pr->SiS_Part2Port,0x01,0x2B);
-               SiS_SetReg(SiS_Pr->SiS_Part2Port,0x02,0x13);
-               SiS_SetReg(SiS_Pr->SiS_Part2Port,0x04,0xE5);
-               SiS_SetReg(SiS_Pr->SiS_Part2Port,0x05,0x08);
-               SiS_SetReg(SiS_Pr->SiS_Part2Port,0x06,0xE2);
-            }
-         }
+      if( ( ( (SiS_Pr->ChipType == SIS_630) ||
+              (SiS_Pr->ChipType == SIS_730) ) &&
+            (SiS_Pr->ChipRevision > 2) )  &&
+          (SiS_Pr->SiS_LCDResInfo == Panel_1024x768) &&
+          (!(SiS_Pr->SiS_SetFlag & LCDVESATiming))  &&
+          (!(SiS_Pr->SiS_LCDInfo & DontExpandLCD)) ) {
+         if(ModeNo == 0x13) {
+            SiS_SetReg(SiS_Pr->SiS_Part2Port,0x04,0xB9);
+            SiS_SetReg(SiS_Pr->SiS_Part2Port,0x05,0xCC);
+            SiS_SetReg(SiS_Pr->SiS_Part2Port,0x06,0xA6);
+         } else if((crt2crtc & 0x3F) == 4) {
+            SiS_SetReg(SiS_Pr->SiS_Part2Port,0x01,0x2B);
+            SiS_SetReg(SiS_Pr->SiS_Part2Port,0x02,0x13);
+            SiS_SetReg(SiS_Pr->SiS_Part2Port,0x04,0xE5);
+            SiS_SetReg(SiS_Pr->SiS_Part2Port,0x05,0x08);
+            SiS_SetReg(SiS_Pr->SiS_Part2Port,0x06,0xE2);
+         }
       }
 
-      if(HwInfo->jChipType < SIS_315H) {
-         if(SiS_Pr->SiS_LCDTypeInfo == 0x0c) {
-            crt2crtc &= 0x1f;
-            tempcx = 0;
-            if(!(SiS_Pr->SiS_VBInfo & SetNotSimuMode)) {
-               if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) {
-                  tempcx += 7;
-               }
-            }
-            tempcx += crt2crtc;
-            if(crt2crtc >= 4) {
-               SiS_SetReg(SiS_Pr->SiS_Part2Port,0x06,0xff);
-            }
+      if(SiS_Pr->ChipType < SIS_315H) {
+         if(SiS_Pr->SiS_LCDTypeInfo == 0x0c) {
+            crt2crtc &= 0x1f;
+            tempcx = 0;
+            if(!(SiS_Pr->SiS_VBInfo & SetNotSimuMode)) {
+               if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) {
+                  tempcx += 7;
+               }
+            }
+            tempcx += crt2crtc;
+            if(crt2crtc >= 4) {
+               SiS_SetReg(SiS_Pr->SiS_Part2Port,0x06,0xff);
+            }
 
-            if(!(SiS_Pr->SiS_VBInfo & SetNotSimuMode)) {
-               if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) {
-                  if(crt2crtc == 4) {
-                     SiS_SetReg(SiS_Pr->SiS_Part2Port,0x01,0x28);
-                  }
-               }
-            }
-            SiS_SetReg(SiS_Pr->SiS_Part2Port,0x02,0x18);
-            SiS_SetReg(SiS_Pr->SiS_Part2Port,0x04,atable[tempcx]);
-         }
+            if(!(SiS_Pr->SiS_VBInfo & SetNotSimuMode)) {
+               if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) {
+                  if(crt2crtc == 4) {
+                     SiS_SetReg(SiS_Pr->SiS_Part2Port,0x01,0x28);
+                  }
+               }
+            }
+            SiS_SetReg(SiS_Pr->SiS_Part2Port,0x02,0x18);
+            SiS_SetReg(SiS_Pr->SiS_Part2Port,0x04,atable[tempcx]);
+         }
       }
    }
 }
 
 /* For ECS A907. Highly preliminary. */
 static void
-SiS_Set300Part2Regs(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
-                    USHORT ModeIdIndex, USHORT RefreshRateTableIndex,
-                    USHORT ModeNo)
+SiS_Set300Part2Regs(struct SiS_Private *SiS_Pr, unsigned short ModeIdIndex, unsigned short RefreshRateTableIndex,
+                    unsigned short ModeNo)
 {
-  USHORT crt2crtc, resindex;
-  int    i,j;
-  const  SiS_Part2PortTblStruct *CRT2Part2Ptr = NULL;
+  const struct SiS_Part2PortTbl *CRT2Part2Ptr = NULL;
+  unsigned short crt2crtc, resindex;
+  int i, j;
 
-  if(HwInfo->jChipType != SIS_300) return;
-  if(!(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV)) return;
+  if(SiS_Pr->ChipType != SIS_300) return;
+  if(!(SiS_Pr->SiS_VBType & VB_SIS30xBLV)) return;
   if(SiS_Pr->UseCustomMode) return;
 
   if(ModeNo <= 0x13) {
@@ -6758,13 +6571,13 @@ SiS_Set300Part2Regs(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
   SiS_SetRegANDOR(SiS_Pr->SiS_Part2Port,0x01,0x80,(CRT2Part2Ptr+resindex)->CR[0]);
   SiS_SetRegANDOR(SiS_Pr->SiS_Part2Port,0x02,0x80,(CRT2Part2Ptr+resindex)->CR[1]);
   for(i = 2, j = 0x04; j <= 0x06; i++, j++ ) {
-        SiS_SetReg(SiS_Pr->SiS_Part2Port,j,(CRT2Part2Ptr+resindex)->CR[i]);
+     SiS_SetReg(SiS_Pr->SiS_Part2Port,j,(CRT2Part2Ptr+resindex)->CR[i]);
   }
   for(j = 0x1c; j <= 0x1d; i++, j++ ) {
-        SiS_SetReg(SiS_Pr->SiS_Part2Port,j,(CRT2Part2Ptr+resindex)->CR[i]);
+     SiS_SetReg(SiS_Pr->SiS_Part2Port,j,(CRT2Part2Ptr+resindex)->CR[i]);
   }
   for(j = 0x1f; j <= 0x21; i++, j++ ) {
-        SiS_SetReg(SiS_Pr->SiS_Part2Port,j,(CRT2Part2Ptr+resindex)->CR[i]);
+     SiS_SetReg(SiS_Pr->SiS_Part2Port,j,(CRT2Part2Ptr+resindex)->CR[i]);
   }
   SiS_SetReg(SiS_Pr->SiS_Part2Port,0x23,(CRT2Part2Ptr+resindex)->CR[10]);
   SiS_SetRegANDOR(SiS_Pr->SiS_Part2Port,0x25,0x0f,(CRT2Part2Ptr+resindex)->CR[11]);
@@ -6772,15 +6585,15 @@ SiS_Set300Part2Regs(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
 #endif
 
 static void
-SiS_SetTVSpecial(SiS_Private *SiS_Pr, USHORT ModeNo)
+SiS_SetTVSpecial(struct SiS_Private *SiS_Pr, unsigned short ModeNo)
 {
-  if(!(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV)) return;
+  if(!(SiS_Pr->SiS_VBType & VB_SIS30xBLV)) return;
   if(!(SiS_Pr->SiS_VBInfo & SetCRT2ToTVNoHiVision)) return;
   if(SiS_Pr->SiS_TVMode & (TVSetYPbPr525p | TVSetYPbPr750p)) return;
 
   if(!(SiS_Pr->SiS_TVMode & TVSetPAL)) {
      if(SiS_Pr->SiS_TVMode & TVSetNTSC1024) {
-        const UCHAR specialtv[] = {
+        const unsigned char specialtv[] = {
                 0xa7,0x07,0xf2,0x6e,0x17,0x8b,0x73,0x53,
                 0x13,0x40,0x34,0xf4,0x63,0xbb,0xcc,0x7a,
                 0x58,0xe4,0x73,0xda,0x13
@@ -6813,16 +6626,16 @@ SiS_SetTVSpecial(SiS_Private *SiS_Pr, USHORT ModeNo)
 }
 
 static void
-SiS_SetGroup2_Tail(SiS_Private *SiS_Pr, USHORT ModeNo)
+SiS_SetGroup2_Tail(struct SiS_Private *SiS_Pr, unsigned short ModeNo)
 {
-  USHORT temp;
+  unsigned short temp;
 
   if(!(SiS_Pr->SiS_SetFlag & LCDVESATiming)) {
      if(SiS_Pr->SiS_VGAVDE == 525) {
         temp = 0xc3;
         if(SiS_Pr->SiS_ModeType <= ModeVGA) {
            temp++;
-           if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) temp += 2;
+           if(SiS_Pr->SiS_VBType & VB_SIS30xBLV) temp += 2;
         }
         SiS_SetReg(SiS_Pr->SiS_Part2Port,0x2f,temp);
         SiS_SetReg(SiS_Pr->SiS_Part2Port,0x30,0xb3);
@@ -6830,7 +6643,7 @@ SiS_SetGroup2_Tail(SiS_Private *SiS_Pr, USHORT ModeNo)
         temp = 0x4d;
         if(SiS_Pr->SiS_ModeType <= ModeVGA) {
            temp++;
-           if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) temp++;
+           if(SiS_Pr->SiS_VBType & VB_SIS30xBLV) temp++;
         }
         SiS_SetReg(SiS_Pr->SiS_Part2Port,0x2f,temp);
      }
@@ -6838,7 +6651,7 @@ SiS_SetGroup2_Tail(SiS_Private *SiS_Pr, USHORT ModeNo)
 
   if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {
      if(SiS_Pr->SiS_LCDResInfo == Panel_1400x1050) {
-        if(SiS_Pr->SiS_VBType & VB_SIS301B302B) {
+        if(SiS_Pr->SiS_VBType & VB_SIS30xB) {
            SiS_SetRegOR(SiS_Pr->SiS_Part2Port,0x1a,0x03);
            /* Not always for LV, see SetGrp2 */
         }
@@ -6872,17 +6685,17 @@ SiS_SetGroup2_Tail(SiS_Private *SiS_Pr, USHORT ModeNo)
 }
 
 static void
-SiS_SetGroup2(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,USHORT RefreshRateTableIndex,
-              PSIS_HW_INFO HwInfo)
-{
-  USHORT      i, j, tempax, tempbx, tempcx, tempch, tempcl, temp;
-  USHORT      push2, modeflag, crt2crtc, bridgeoffset;
-  ULONG       longtemp;
-  const       UCHAR *PhasePoint;
-  const       UCHAR *TimingPoint;
+SiS_SetGroup2(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex,
+                unsigned short RefreshRateTableIndex)
+{
+  unsigned short i, j, tempax, tempbx, tempcx, tempch, tempcl, temp;
+  unsigned short push2, modeflag, crt2crtc, bridgeoffset;
+  unsigned int   longtemp, PhaseIndex;
+  BOOLEAN        newtvphase;
+  const unsigned char *TimingPoint;
 #ifdef SIS315H
-  USHORT      resindex, CRT2Index;
-  const       SiS_Part2PortTblStruct *CRT2Part2Ptr = NULL;
+  unsigned short resindex, CRT2Index;
+  const struct SiS_Part2PortTbl *CRT2Part2Ptr = NULL;
 
   if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA) return;
 #endif
@@ -6908,9 +6721,16 @@ SiS_SetGroup2(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,USHORT Refr
 
   SiS_SetReg(SiS_Pr->SiS_Part2Port,0x00,temp);
 
-  PhasePoint  = SiS_Pr->SiS_PALPhase;
+  PhaseIndex  = 0x01; /* SiS_PALPhase */
   TimingPoint = SiS_Pr->SiS_PALTiming;
 
+  newtvphase = FALSE;
+  if( (SiS_Pr->SiS_VBType & VB_SIS30xBLV) &&
+      ( (!(SiS_Pr->SiS_VBInfo & SetInSlaveMode)) ||
+        (SiS_Pr->SiS_TVMode & TVSetTVSimuMode) ) ) {
+     newtvphase = TRUE;
+  }
+
   if(SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision) {
 
      TimingPoint = SiS_Pr->SiS_HiTVExtTiming;
@@ -6918,82 +6738,54 @@ SiS_SetGroup2(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,USHORT Refr
         TimingPoint = SiS_Pr->SiS_HiTVSt2Timing;
         if(SiS_Pr->SiS_TVMode & TVSetTVSimuMode) {
            TimingPoint = SiS_Pr->SiS_HiTVSt1Timing;
-#if 0
-           if(!(modeflag & Charx8Dot))  TimingPoint = SiS_Pr->SiS_HiTVTextTiming;
-#endif
         }
      }
 
   } else if(SiS_Pr->SiS_VBInfo & SetCRT2ToYPbPr525750) {
 
-     if(SiS_Pr->SiS_TVMode & TVSetYPbPr750p)      TimingPoint = &SiS_YPbPrTable[2][0];
-     else if(SiS_Pr->SiS_TVMode & TVSetYPbPr525p) TimingPoint = &SiS_YPbPrTable[1][0];
-     else                                         TimingPoint = &SiS_YPbPrTable[0][0];
+     i = 0;
+     if(SiS_Pr->SiS_TVMode & TVSetYPbPr750p)      i = 2;
+     else if(SiS_Pr->SiS_TVMode & TVSetYPbPr525p) i = 1;
+
+     TimingPoint = &SiS_YPbPrTable[i][0];
 
-     PhasePoint = SiS_Pr->SiS_NTSCPhase;
+     PhaseIndex = 0x00; /* SiS_NTSCPhase */
 
   } else if(SiS_Pr->SiS_TVMode & TVSetPAL) {
 
-     if( (SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) &&
-         ( (!(SiS_Pr->SiS_VBInfo & SetInSlaveMode)) ||
-           (SiS_Pr->SiS_TVMode & TVSetTVSimuMode) ) ) {
-        PhasePoint = SiS_Pr->SiS_PALPhase2;
-     }
+     if(newtvphase) PhaseIndex = 0x09; /* SiS_PALPhase2 */
 
   } else {
 
      TimingPoint = SiS_Pr->SiS_NTSCTiming;
-     PhasePoint  = SiS_Pr->SiS_NTSCPhase;
-     if(SiS_Pr->SiS_TVMode & TVSetNTSCJ) {
-        PhasePoint = SiS_Pr->SiS_PALPhase;
-     }
-
-     if( (SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) &&
-         ( (!(SiS_Pr->SiS_VBInfo & SetInSlaveMode)) ||
-           (SiS_Pr->SiS_TVMode & TVSetTVSimuMode) ) ) {
-        PhasePoint = SiS_Pr->SiS_NTSCPhase2;
-        if(SiS_Pr->SiS_TVMode & TVSetNTSCJ) {
-           PhasePoint = SiS_Pr->SiS_PALPhase2;
-        }
-     }
-
-  }
+     PhaseIndex  = (SiS_Pr->SiS_TVMode & TVSetNTSCJ) ? 0x01 : 0x00;     /* SiS_PALPhase : SiS_NTSCPhase */
+     if(newtvphase) PhaseIndex += 8;                                    /* SiS_PALPhase2 : SiS_NTSCPhase2 */
 
-  if(SiS_Pr->SiS_TVMode & TVSetPALM) {
-     PhasePoint = SiS_Pr->SiS_PALMPhase;
-     if( (SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) &&
-         ( (!(SiS_Pr->SiS_VBInfo & SetInSlaveMode)) ||
-           (SiS_Pr->SiS_TVMode & TVSetTVSimuMode) ) ) {
-        PhasePoint = SiS_Pr->SiS_PALMPhase2;
-     }
   }
 
-  if(SiS_Pr->SiS_TVMode & TVSetPALN) {
-     PhasePoint = SiS_Pr->SiS_PALNPhase;
-     if( (SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) &&
-         ( (!(SiS_Pr->SiS_VBInfo & SetInSlaveMode)) ||
-           (SiS_Pr->SiS_TVMode & TVSetTVSimuMode) ) ) {
-        PhasePoint = SiS_Pr->SiS_PALNPhase2;
-     }
+  if(SiS_Pr->SiS_TVMode & (TVSetPALM | TVSetPALN)) {
+     PhaseIndex = (SiS_Pr->SiS_TVMode & TVSetPALM) ? 0x02 : 0x03;       /* SiS_PALMPhase : SiS_PALNPhase */
+     if(newtvphase) PhaseIndex += 8;                                    /* SiS_PALMPhase2 : SiS_PALNPhase2 */
   }
 
   if(SiS_Pr->SiS_TVMode & TVSetNTSC1024) {
-     PhasePoint = SiS_Pr->SiS_SpecialPhase;
      if(SiS_Pr->SiS_TVMode & TVSetPALM) {
-        PhasePoint = SiS_Pr->SiS_SpecialPhaseM;
+        PhaseIndex = 0x05; /* SiS_SpecialPhaseM */
      } else if(SiS_Pr->SiS_TVMode & TVSetNTSCJ) {
-        PhasePoint = SiS_Pr->SiS_SpecialPhaseJ;
+        PhaseIndex = 0x11; /* SiS_SpecialPhaseJ */
+     } else {
+        PhaseIndex = 0x10; /* SiS_SpecialPhase */
      }
   }
 
-  for(i=0x31, j=0; i<=0x34; i++, j++) {
-     SiS_SetReg(SiS_Pr->SiS_Part2Port,i,PhasePoint[j]);
+  for(i = 0x31, j = 0; i <= 0x34; i++, j++) {
+     SiS_SetReg(SiS_Pr->SiS_Part2Port,i,SiS_TVPhase[(PhaseIndex * 4) + j]);
   }
 
-  for(i=0x01, j=0; i<=0x2D; i++, j++) {
+  for(i = 0x01, j = 0; i <= 0x2D; i++, j++) {
      SiS_SetReg(SiS_Pr->SiS_Part2Port,i,TimingPoint[j]);
   }
-  for(i=0x39; i<=0x45; i++, j++) {
+  for(i = 0x39; i <= 0x45; i++, j++) {
      SiS_SetReg(SiS_Pr->SiS_Part2Port,i,TimingPoint[j]);
   }
 
@@ -7010,28 +6802,32 @@ SiS_SetGroup2(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,USHORT Refr
   SiS_SetReg(SiS_Pr->SiS_Part2Port,0x37,SiS_Pr->SiS_RY3COE);
   SiS_SetReg(SiS_Pr->SiS_Part2Port,0x38,SiS_Pr->SiS_RY4COE);
 
-  if(SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision)    tempax = 950;
-  else if(SiS_Pr->SiS_TVMode & TVSetPAL)        tempax = 520;
-  else                                          tempax = 440; /* NTSC, YPbPr 525, 750 */
+  if(SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision)    tempax = 950;
+  else if(SiS_Pr->SiS_TVMode & TVSetYPbPr750p)  tempax = 680;
+  else if(SiS_Pr->SiS_TVMode & TVSetPAL)        tempax = 520;
+  else                                          tempax = 440; /* NTSC, YPbPr 525 */
 
-  if( ( (!(SiS_Pr->SiS_VBInfo & SetCRT2ToTVNoHiVision)) && (SiS_Pr->SiS_VDE <= tempax) ) ||
+  if( ((SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision) && (SiS_Pr->SiS_VDE <= tempax)) ||
       ( (SiS_Pr->SiS_VBInfo & SetCRT2ToTVNoHiVision) &&
         ((SiS_Pr->SiS_VGAHDE == 1024) || (SiS_Pr->SiS_VDE <= tempax)) ) ) {
 
      tempax -= SiS_Pr->SiS_VDE;
-     tempax >>= 2;
+     tempax >>= 1;
+     if(!(SiS_Pr->SiS_TVMode & (TVSetYPbPr525p | TVSetYPbPr750p))) {
+        tempax >>= 1;
+     }
      tempax &= 0x00ff;
 
-     temp = tempax + (USHORT)TimingPoint[0];
+     temp = tempax + (unsigned short)TimingPoint[0];
      SiS_SetReg(SiS_Pr->SiS_Part2Port,0x01,temp);
 
-     temp = tempax + (USHORT)TimingPoint[1];
+     temp = tempax + (unsigned short)TimingPoint[1];
      SiS_SetReg(SiS_Pr->SiS_Part2Port,0x02,temp);
 
      if((SiS_Pr->SiS_VBInfo & SetCRT2ToTVNoYPbPrHiVision) && (SiS_Pr->SiS_VGAHDE >= 1024)) {
         if(SiS_Pr->SiS_TVMode & TVSetPAL) {
-           SiS_SetReg(SiS_Pr->SiS_Part2Port,0x01,0x1b);  /* 19 */
-           SiS_SetReg(SiS_Pr->SiS_Part2Port,0x02,0x54);  /* 52 */
+           SiS_SetReg(SiS_Pr->SiS_Part2Port,0x01,0x1b);
+           SiS_SetReg(SiS_Pr->SiS_Part2Port,0x02,0x54);
         } else {
            SiS_SetReg(SiS_Pr->SiS_Part2Port,0x01,0x17);
            SiS_SetReg(SiS_Pr->SiS_Part2Port,0x02,0x1d);
@@ -7041,14 +6837,14 @@ SiS_SetGroup2(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,USHORT Refr
   }
 
   tempcx = SiS_Pr->SiS_HT;
-  if(SiS_IsDualLink(SiS_Pr, HwInfo)) tempcx >>= 1;
+  if(SiS_IsDualLink(SiS_Pr)) tempcx >>= 1;
   tempcx--;
-  if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) tempcx--;
+  if(SiS_Pr->SiS_VBType & VB_SIS30xBLV) tempcx--;
   SiS_SetReg(SiS_Pr->SiS_Part2Port,0x1B,tempcx);
   SiS_SetRegANDOR(SiS_Pr->SiS_Part2Port,0x1D,0xF0,((tempcx >> 8) & 0x0f));
 
   tempcx = SiS_Pr->SiS_HT >> 1;
-  if(SiS_IsDualLink(SiS_Pr, HwInfo)) tempcx >>= 1;
+  if(SiS_IsDualLink(SiS_Pr)) tempcx >>= 1;
   tempcx += 7;
   if(SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision) tempcx -= 4;
   SiS_SetRegANDOR(SiS_Pr->SiS_Part2Port,0x22,0x0F,((tempcx << 4) & 0xf0));
@@ -7075,7 +6871,7 @@ SiS_SetGroup2(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,USHORT Refr
   SiS_SetRegANDOR(SiS_Pr->SiS_Part2Port,0x2A,0x0F,((tempcx << 4) & 0xf0));
 
   tempcx = SiS_Pr->SiS_HT >> 1;
-  if(SiS_IsDualLink(SiS_Pr, HwInfo)) tempcx >>= 1;
+  if(SiS_IsDualLink(SiS_Pr)) tempcx >>= 1;
   j += 2;
   tempcx -= (TimingPoint[j] | ((TimingPoint[j+1]) << 8));
   SiS_SetRegANDOR(SiS_Pr->SiS_Part2Port,0x2D,0x0F,((tempcx << 4) & 0xf0));
@@ -7094,7 +6890,7 @@ SiS_SetGroup2(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,USHORT Refr
   } else if( (SiS_Pr->SiS_VBInfo & SetCRT2ToTV) &&
              (!(SiS_Pr->SiS_TVMode & (TVSetYPbPr525p|TVSetYPbPr750p))) ) {
      tempbx >>= 1;
-     if(HwInfo->jChipType >= SIS_315H) {
+     if(SiS_Pr->ChipType >= SIS_315H) {
         if(SiS_Pr->SiS_TVMode & TVSetTVSimuMode) {
            if((ModeNo <= 0x13) && (crt2crtc == 1)) tempbx++;
         } else if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) {
@@ -7123,23 +6919,11 @@ SiS_SetGroup2(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,USHORT Refr
   }
   SiS_SetReg(SiS_Pr->SiS_Part2Port,0x30,temp);
 
-  if(SiS_Pr->SiS_VBType & (VB_SIS301C | VB_SIS302LV | VB_SIS302ELV)) {
+  if(SiS_Pr->SiS_VBType & VB_SISPART4OVERFLOW) {
      SiS_SetRegANDOR(SiS_Pr->SiS_Part4Port,0x10,0xdf,((tempbx & 0x0400) >> 5));
   }
 
-#if 0
-  /* TEST qqqq */
-  if(SiS_Pr->SiS_VBInfo & SetCRT2ToYPbPr525750) {
-     for(i=0x01, j=0; i<=0x2D; i++, j++) {
-        SiS_SetReg(SiS_Pr->SiS_Part2Port,i,TimingPoint[j]);
-     }
-     for(i=0x39; i<=0x45; i++, j++) {
-        SiS_SetReg(SiS_Pr->SiS_Part2Port,i,TimingPoint[j]);
-     }
-  }
-#endif
-
-  if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {
+  if(SiS_Pr->SiS_VBType & VB_SIS30xBLV) {
      tempbx = SiS_Pr->SiS_VDE;
      if( (SiS_Pr->SiS_VBInfo & SetCRT2ToTV) &&
          (!(SiS_Pr->SiS_TVMode & (TVSetYPbPr525p | TVSetYPbPr750p))) ) {
@@ -7150,7 +6934,7 @@ SiS_SetGroup2(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,USHORT Refr
      SiS_SetReg(SiS_Pr->SiS_Part2Port,0x46,temp);
      SiS_SetReg(SiS_Pr->SiS_Part2Port,0x47,tempbx);
 
-     if(SiS_Pr->SiS_VBType & (VB_SIS301C | VB_SIS302LV | VB_SIS302ELV)) {
+     if(SiS_Pr->SiS_VBType & VB_SISPART4OVERFLOW) {
         SiS_SetRegANDOR(SiS_Pr->SiS_Part4Port,0x10,0xbf,((tempbx & 0x0400) >> 4));
      }
   }
@@ -7165,14 +6949,17 @@ SiS_SetGroup2(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,USHORT Refr
 
   tempch = tempcl = 0x01;
   if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
-     if(SiS_Pr->SiS_VGAHDE >= 1024) {
-        if((!(modeflag & HalfDCLK)) || (HwInfo->jChipType < SIS_315H)) {
-           tempch = 0x19;
+     if(SiS_Pr->SiS_VGAHDE >= 960) {
+        if((!(modeflag & HalfDCLK)) || (SiS_Pr->ChipType < SIS_315H)) {
            tempcl = 0x20;
-           if(SiS_Pr->SiS_VGAHDE >= 1280) {
-              tempch = 0x14;
+           if(SiS_Pr->SiS_VGAHDE >= 1280) {
+              tempch = 20;
               tempbx &= ~0x20;
-           }
+           } else if(SiS_Pr->SiS_VGAHDE >= 1024) {
+              tempch = 25;
+           } else {
+              tempch = 25; /* OK */
+           }
         }
      }
   }
@@ -7180,7 +6967,7 @@ SiS_SetGroup2(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,USHORT Refr
   if(!(tempbx & 0x20)) {
      if(modeflag & HalfDCLK) tempcl <<= 1;
      longtemp = ((SiS_Pr->SiS_VGAHDE * tempch) / tempcl) << 13;
-     if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) longtemp <<= 3;
+     if(SiS_Pr->SiS_VBType & VB_SIS30xBLV) longtemp <<= 3;
      tempax = longtemp / SiS_Pr->SiS_HDE;
      if(longtemp % SiS_Pr->SiS_HDE) tempax++;
      tempbx |= ((tempax >> 8) & 0x1F);
@@ -7190,7 +6977,7 @@ SiS_SetGroup2(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,USHORT Refr
   SiS_SetReg(SiS_Pr->SiS_Part2Port,0x44,tempax);
   SiS_SetRegANDOR(SiS_Pr->SiS_Part2Port,0x45,0xC0,tempbx);
 
-  if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {
+  if(SiS_Pr->SiS_VBType & VB_SIS30xBLV) {
 
      tempcx &= 0x07;
      if(tempbx & 0x20) tempcx = 0;
@@ -7219,7 +7006,7 @@ SiS_SetGroup2(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,USHORT Refr
 
      SiS_SetTVSpecial(SiS_Pr, ModeNo);
 
-     if(SiS_Pr->SiS_VBType & VB_SIS301C) {
+     if(SiS_Pr->SiS_VBType & VB_SIS30xCLV) {
         temp = 0;
         if(SiS_Pr->SiS_TVMode & TVSetPALM) temp = 8;
         SiS_SetRegANDOR(SiS_Pr->SiS_Part2Port,0x4e,0xf7,temp);
@@ -7246,7 +7033,7 @@ SiS_SetGroup2(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,USHORT Refr
   /* From here: Part2 LCD setup */
 
   tempbx = SiS_Pr->SiS_HDE;
-  if(SiS_IsDualLink(SiS_Pr, HwInfo)) tempbx >>= 1;
+  if(SiS_IsDualLink(SiS_Pr)) tempbx >>= 1;
   tempbx--;                                     /* RHACTE = HDE - 1 */
   SiS_SetReg(SiS_Pr->SiS_Part2Port,0x2C,tempbx);
   SiS_SetRegANDOR(SiS_Pr->SiS_Part2Port,0x2B,0x0F,((tempbx >> 4) & 0xf0));
@@ -7256,10 +7043,8 @@ SiS_SetGroup2(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,USHORT Refr
      if(SiS_Pr->SiS_ModeType == ModeEGA) {
         if(SiS_Pr->SiS_VGAHDE >= 1024) {
            temp = 0x02;
-           if(HwInfo->jChipType >= SIS_315H) {
-              if(SiS_Pr->SiS_SetFlag & LCDVESATiming) {
-                 temp = 0x01;
-              }
+           if(SiS_Pr->SiS_SetFlag & LCDVESATiming) {
+              temp = 0x01;
            }
         }
      }
@@ -7289,11 +7074,11 @@ SiS_SetGroup2(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,USHORT Refr
 
 #ifdef SIS315H
   if(SiS_GetCRT2Part2Ptr(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex,
-                                                &CRT2Index, &resindex, HwInfo)) {
+                                                &CRT2Index, &resindex)) {
       switch(CRT2Index) {
+        case 206: CRT2Part2Ptr = SiS310_CRT2Part2_Asus1024x768_3;    break;
+        default:
         case 200: CRT2Part2Ptr = SiS_Pr->SiS_CRT2Part2_1024x768_1;   break;
-        case 206: CRT2Part2Ptr = SiS310_CRT2Part2_Asus1024x768_3;    break;
-        default:  CRT2Part2Ptr = SiS_Pr->SiS_CRT2Part2_1024x768_3;   break;
       }
 
       SiS_SetRegANDOR(SiS_Pr->SiS_Part2Port,0x01,0x80,(CRT2Part2Ptr+resindex)->CR[0]);
@@ -7312,7 +7097,6 @@ SiS_SetGroup2(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,USHORT Refr
 
       SiS_SetGroup2_Tail(SiS_Pr, ModeNo);
 
-
   } else {
 #endif
 
@@ -7349,9 +7133,11 @@ SiS_SetGroup2(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,USHORT Refr
 
     /* Non-expanding: lcdvdes = tempcx = VT-1; lcdvdee = tempbx = VDE-1 */
 
+#ifdef SIS_XORG_XF86
 #ifdef TWDEBUG
     xf86DrvMsg(0, X_INFO, "lcdvdes 0x%x lcdvdee 0x%x\n", tempcx, tempbx);
 #endif
+#endif
 
     SiS_SetReg(SiS_Pr->SiS_Part2Port,0x05,tempcx);      /* lcdvdes  */
     SiS_SetReg(SiS_Pr->SiS_Part2Port,0x06,tempbx);      /* lcdvdee  */
@@ -7401,9 +7187,11 @@ SiS_SetGroup2(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,USHORT Refr
        tempbx = SiS_Pr->CVSyncStart;
     }
 
+#ifdef SIS_XORG_XF86
 #ifdef TWDEBUG
     xf86DrvMsg(0, X_INFO, "lcdvrs 0x%x\n", tempbx);
 #endif
+#endif
 
     SiS_SetReg(SiS_Pr->SiS_Part2Port,0x04,tempbx);          /* lcdvrs */
 
@@ -7416,26 +7204,30 @@ SiS_SetGroup2(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,USHORT Refr
        temp |= (SiS_Pr->CVSyncEnd & 0x0f);
     }
 
+#ifdef SIS_XORG_XF86
 #ifdef TWDEBUG
     xf86DrvMsg(0, X_INFO, "lcdvre[3:0] 0x%x\n", (temp & 0x0f));
 #endif
+#endif
 
     SiS_SetReg(SiS_Pr->SiS_Part2Port,0x01,temp);
 
 #ifdef SIS300
-    SiS_Group2LCDSpecial(SiS_Pr, HwInfo, ModeNo, crt2crtc);
+    SiS_Group2LCDSpecial(SiS_Pr, ModeNo, crt2crtc);
 #endif
 
     bridgeoffset = 7;
-    if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV)          bridgeoffset += 2;
-    if(SiS_Pr->SiS_VBType & (VB_SIS301C | VB_SIS302ELV)) bridgeoffset++;
-    if(SiS_IsDualLink(SiS_Pr, HwInfo))                   bridgeoffset++;
+    if(SiS_Pr->SiS_VBType & VB_SIS30xBLV)       bridgeoffset += 2;
+    if(SiS_Pr->SiS_VBType & VB_SIS30xCLV)       bridgeoffset += 2; /* OK for Averatec 1280x800 (301C) */
+    if(SiS_IsDualLink(SiS_Pr))                  bridgeoffset++;
+    else if(SiS_Pr->SiS_VBType & VB_SIS302LV)   bridgeoffset++;    /* OK for Asus A4L 1280x800 */
+    /* Higher bridgeoffset shifts to the LEFT */
 
     temp = 0;
     if((SiS_Pr->SiS_LCDInfo & DontExpandLCD) && (!(SiS_Pr->SiS_LCDInfo & LCDPass11))) {
        if(SiS_Pr->PanelXRes != SiS_Pr->SiS_HDE) {
-          temp = SiS_Pr->SiS_HT - ((SiS_Pr->PanelXRes - SiS_Pr->SiS_HDE) / 2);
-          if(SiS_IsDualLink(SiS_Pr, HwInfo)) temp >>= 1;
+          temp = SiS_Pr->SiS_HT - ((SiS_Pr->PanelXRes - SiS_Pr->SiS_HDE) / 2);
+          if(SiS_IsDualLink(SiS_Pr)) temp >>= 1;
        }
     }
     temp += bridgeoffset;
@@ -7450,15 +7242,17 @@ SiS_SetGroup2(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,USHORT Refr
           tempbx = SiS_Pr->PanelXRes - ((SiS_Pr->PanelXRes - SiS_Pr->SiS_HDE) / 2);
        }
     }
-    if(SiS_IsDualLink(SiS_Pr, HwInfo)) {
+    if(SiS_IsDualLink(SiS_Pr)) {
        tempcx >>= 1;
        tempbx >>= 1;
        tempax >>= 1;
     }
 
+#ifdef SIS_XORG_XF86
 #ifdef TWDEBUG
     xf86DrvMsg(0, X_INFO, "lcdhdee 0x%x\n", tempbx);
 #endif
+#endif
 
     tempbx += bridgeoffset;
 
@@ -7480,13 +7274,16 @@ SiS_SetGroup2(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,USHORT Refr
 
     if(SiS_Pr->UseCustomMode) {
        tempbx = SiS_Pr->CHSyncStart;
-       if(SiS_IsDualLink(SiS_Pr, HwInfo)) tempbx >>= 1;
+       if(modeflag & HalfDCLK) tempbx <<= 1;
+       if(SiS_IsDualLink(SiS_Pr)) tempbx >>= 1;
        tempbx += bridgeoffset;
     }
 
+#ifdef SIS_XORG_XF86
 #ifdef TWDEBUG
     xf86DrvMsg(0, X_INFO, "lcdhrs 0x%x\n", tempbx);
 #endif
+#endif
 
     SiS_SetReg(SiS_Pr->SiS_Part2Port,0x1C,tempbx);          /* lcdhrs */
     SiS_SetRegANDOR(SiS_Pr->SiS_Part2Port,0x1D,0x0F,((tempbx >> 4) & 0xf0));
@@ -7501,20 +7298,23 @@ SiS_SetGroup2(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,USHORT Refr
 
     if(SiS_Pr->UseCustomMode) {
        tempbx = SiS_Pr->CHSyncEnd;
-       if(SiS_IsDualLink(SiS_Pr, HwInfo)) tempbx >>= 1;
+       if(modeflag & HalfDCLK) tempbx <<= 1;
+       if(SiS_IsDualLink(SiS_Pr)) tempbx >>= 1;
        tempbx += bridgeoffset;
     }
 
+#ifdef SIS_XORG_XF86
 #ifdef TWDEBUG
     xf86DrvMsg(0, X_INFO, "lcdhre 0x%x\n", tempbx);
 #endif
+#endif
 
     SiS_SetReg(SiS_Pr->SiS_Part2Port,0x21,tempbx);          /* lcdhre */
 
     SiS_SetGroup2_Tail(SiS_Pr, ModeNo);
 
 #ifdef SIS300
-    SiS_Set300Part2Regs(SiS_Pr, HwInfo, ModeIdIndex, RefreshRateTableIndex, ModeNo);
+    SiS_Set300Part2Regs(SiS_Pr, ModeIdIndex, RefreshRateTableIndex, ModeNo);
 #endif
 #ifdef SIS315H
   } /* CRT2-LCD from table */
@@ -7526,11 +7326,10 @@ SiS_SetGroup2(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,USHORT Refr
 /*********************************************/
 
 static void
-SiS_SetGroup3(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
-              PSIS_HW_INFO HwInfo)
+SiS_SetGroup3(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex)
 {
-  USHORT        i;
-  const UCHAR   *tempdi;
+  unsigned short i;
+  const unsigned char *tempdi;
 
   if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA) return;
 
@@ -7570,7 +7369,7 @@ SiS_SetGroup3(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
      for(i=0; i<=0x3E; i++) {
         SiS_SetReg(SiS_Pr->SiS_Part3Port,i,tempdi[i]);
      }
-     if(SiS_Pr->SiS_VBType & (VB_SIS301C | VB_SIS302ELV)) {
+     if(SiS_Pr->SiS_VBType & VB_SIS30xCLV) {
         if(SiS_Pr->SiS_TVMode & TVSetYPbPr525p) {
            SiS_SetReg(SiS_Pr->SiS_Part3Port,0x28,0x3f);
         }
@@ -7587,35 +7386,43 @@ SiS_SetGroup3(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 /*********************************************/
 
 #ifdef SIS315H
+#if 0
 static void
-SiS_ShiftXPos(SiS_Private *SiS_Pr, int shift)
+SiS_ShiftXPos(struct SiS_Private *SiS_Pr, int shift)
 {
-   USHORT temp, temp1, temp2;
+   unsigned short temp, temp1, temp2;
 
    temp1 = SiS_GetReg(SiS_Pr->SiS_Part2Port,0x1f);
    temp2 = SiS_GetReg(SiS_Pr->SiS_Part2Port,0x20);
-   temp = (USHORT)((int)((temp1 | ((temp2 & 0xf0) << 4))) + shift);
+   temp = (unsigned short)((int)((temp1 | ((temp2 & 0xf0) << 4))) + shift);
    SiS_SetReg(SiS_Pr->SiS_Part2Port,0x1f,temp);
    SiS_SetRegANDOR(SiS_Pr->SiS_Part2Port,0x20,0x0f,((temp >> 4) & 0xf0));
    temp = SiS_GetReg(SiS_Pr->SiS_Part2Port,0x2b) & 0x0f;
-   temp = (USHORT)((int)(temp) + shift);
+   temp = (unsigned short)((int)(temp) + shift);
    SiS_SetRegANDOR(SiS_Pr->SiS_Part2Port,0x2b,0xf0,(temp & 0x0f));
    temp1 = SiS_GetReg(SiS_Pr->SiS_Part2Port,0x43);
    temp2 = SiS_GetReg(SiS_Pr->SiS_Part2Port,0x42);
-   temp = (USHORT)((int)((temp1 | ((temp2 & 0xf0) << 4))) + shift);
+   temp = (unsigned short)((int)((temp1 | ((temp2 & 0xf0) << 4))) + shift);
    SiS_SetReg(SiS_Pr->SiS_Part2Port,0x43,temp);
    SiS_SetRegANDOR(SiS_Pr->SiS_Part2Port,0x42,0x0f,((temp >> 4) & 0xf0));
 }
+#endif
 
 static void
-SiS_SetGroup4_C_ELV(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
-                    USHORT ModeNo, USHORT ModeIdIndex)
+SiS_SetGroup4_C_ELV(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex)
 {
-   USHORT temp, temp1, resinfo = 0;
+   unsigned short temp, temp1, resinfo = 0;
+   unsigned char  *ROMAddr = SiS_Pr->VirtualRomBase;
 
-   if(!(SiS_Pr->SiS_VBType & VB_SIS301C)) return;
+   if(!(SiS_Pr->SiS_VBType & VB_SIS30xCLV)) return;
    if(!(SiS_Pr->SiS_VBInfo & (SetCRT2ToHiVision | SetCRT2ToYPbPr525750))) return;
 
+   if(SiS_Pr->ChipType >= XGI_20) return;
+
+   if((SiS_Pr->ChipType >= SIS_661) && (SiS_Pr->SiS_ROMNew)) {
+      if(!(ROMAddr[0x61] & 0x04)) return;
+   }
+
    if(ModeNo > 0x13) {
       resinfo = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_RESINFO;
    }
@@ -7625,7 +7432,7 @@ SiS_SetGroup4_C_ELV(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
    if(!(temp & 0x01)) {
       SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x3a,0xdf);
       SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x25,0xfc);
-      if((HwInfo->jChipType < SIS_661) && (!(SiS_Pr->SiS_ROMNew))) {
+      if((SiS_Pr->ChipType < SIS_661) && (!(SiS_Pr->SiS_ROMNew))) {
          SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x25,0xf8);
       }
       SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x0f,0xfb);
@@ -7633,24 +7440,29 @@ SiS_SetGroup4_C_ELV(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
       else if(SiS_Pr->SiS_TVMode & TVSetYPbPr525p) temp = 0x0002;
       else if(SiS_Pr->SiS_TVMode & TVSetHiVision)  temp = 0x0400;
       else                                         temp = 0x0402;
-      if((HwInfo->jChipType >= SIS_661) || (SiS_Pr->SiS_ROMNew)) {
+      if((SiS_Pr->ChipType >= SIS_661) || (SiS_Pr->SiS_ROMNew)) {
          temp1 = 0;
          if(SiS_Pr->SiS_TVMode & TVAspect43) temp1 = 4;
          SiS_SetRegANDOR(SiS_Pr->SiS_Part4Port,0x0f,0xfb,temp1);
          if(SiS_Pr->SiS_TVMode & TVAspect43LB) temp |= 0x01;
          SiS_SetRegANDOR(SiS_Pr->SiS_Part4Port,0x26,0x7c,(temp & 0xff));
+         SiS_SetRegANDOR(SiS_Pr->SiS_Part4Port,0x3a,0xfb,(temp >> 8));
+         if(ModeNo > 0x13) {
+            SiS_SetRegAND(SiS_Pr->SiS_P3d4,0x39,0xfd);
+         }
       } else {
          temp1 = SiS_GetReg(SiS_Pr->SiS_P3d4,0x3b) & 0x03;
          if(temp1 == 0x01) temp |= 0x01;
          if(temp1 == 0x03) temp |= 0x04;  /* ? why not 0x10? */
          SiS_SetRegANDOR(SiS_Pr->SiS_Part4Port,0x26,0xf8,(temp & 0xff));
-      }
-      SiS_SetRegANDOR(SiS_Pr->SiS_Part4Port,0x3a,0xfb,(temp >> 8));
-      if(ModeNo > 0x13) {
-         SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x3b,0xfd);
+         SiS_SetRegANDOR(SiS_Pr->SiS_Part4Port,0x3a,0xfb,(temp >> 8));
+         if(ModeNo > 0x13) {
+            SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x3b,0xfd);
+         }
       }
 
-      if(HwInfo->jChipType >= SIS_661) {                /* ? */
+#if 0
+      if(SiS_Pr->ChipType >= SIS_661) {                 /* ? */
          if(SiS_Pr->SiS_TVMode & TVAspect43) {
             if(SiS_Pr->SiS_TVMode & TVSetYPbPr750p) {
                if(resinfo == SIS_RI_1024x768) {
@@ -7663,29 +7475,30 @@ SiS_SetGroup4_C_ELV(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
             }
          }
       }
+#endif
+
    }
+
 }
 #endif
 
 static void
-SiS_SetCRT2VCLK(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
-                 USHORT RefreshRateTableIndex, PSIS_HW_INFO HwInfo)
+SiS_SetCRT2VCLK(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex,
+                 unsigned short RefreshRateTableIndex)
 {
-  USHORT vclkindex;
-  USHORT temp, reg1, reg2;
+  unsigned short vclkindex, temp, reg1, reg2;
 
   if(SiS_Pr->UseCustomMode) {
      reg1 = SiS_Pr->CSR2B;
      reg2 = SiS_Pr->CSR2C;
   } else {
-     vclkindex = SiS_GetVCLK2Ptr(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex,
-                                 HwInfo);
+     vclkindex = SiS_GetVCLK2Ptr(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex);
      reg1 = SiS_Pr->SiS_VBVCLKData[vclkindex].Part4_A;
      reg2 = SiS_Pr->SiS_VBVCLKData[vclkindex].Part4_B;
   }
 
-  if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {
-     if(SiS_Pr->SiS_TVMode & TVSetNTSC1024) {
+  if(SiS_Pr->SiS_VBType & VB_SIS30xBLV) {
+     if(SiS_Pr->SiS_TVMode & (TVSetNTSC1024 | TVSet525p1024)) {
         SiS_SetReg(SiS_Pr->SiS_Part4Port,0x0a,0x57);
         SiS_SetReg(SiS_Pr->SiS_Part4Port,0x0b,0x46);
         SiS_SetReg(SiS_Pr->SiS_Part4Port,0x1f,0xf6);
@@ -7705,11 +7518,35 @@ SiS_SetCRT2VCLK(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 }
 
 static void
-SiS_SetGroup4(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
-              USHORT RefreshRateTableIndex, PSIS_HW_INFO HwInfo)
+SiS_SetDualLinkEtc(struct SiS_Private *SiS_Pr)
+{
+  if(SiS_Pr->ChipType >= SIS_315H) {
+     if(SiS_Pr->SiS_VBType & VB_SISDUALLINK) {
+        if((SiS_CRT2IsLCD(SiS_Pr)) ||
+           (SiS_IsVAMode(SiS_Pr))) {
+           if(SiS_Pr->SiS_LCDInfo & LCDDualLink) {
+              SiS_SetRegOR(SiS_Pr->SiS_Part4Port,0x27,0x2c);
+           } else {
+              SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x27,~0x20);
+           }
+        }
+     }
+  }
+  if(SiS_Pr->SiS_VBType & VB_SISEMI) {
+     SiS_SetReg(SiS_Pr->SiS_Part4Port,0x2a,0x00);
+#ifdef SET_EMI
+     SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x30,0x0c);
+#endif
+     SiS_SetReg(SiS_Pr->SiS_Part4Port,0x34,0x10);
+  }
+}
+
+static void
+SiS_SetGroup4(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex,
+                unsigned short RefreshRateTableIndex)
 {
-  USHORT tempax,tempcx,tempbx,modeflag,temp,resinfo;
-  ULONG tempebx,tempeax,templong;
+  unsigned short tempax, tempcx, tempbx, modeflag, temp, resinfo;
+  unsigned int   tempebx, tempeax, templong;
 
   if(ModeNo <= 0x13) {
      modeflag = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ModeFlag;
@@ -7722,38 +7559,24 @@ SiS_SetGroup4(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
      resinfo = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_RESINFO;
   }
 
-  if(HwInfo->jChipType >= SIS_315H) {
-     if(SiS_Pr->SiS_VBType & VB_SIS301LV302LV) {
-        if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA) {
-           SiS_SetReg(SiS_Pr->SiS_Part4Port,0x24,0x0e);
-        }
+  if(SiS_Pr->ChipType >= SIS_315H) {
+     if(SiS_Pr->SiS_VBType & VB_SISLVDS) {
+        if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA) {
+           SiS_SetReg(SiS_Pr->SiS_Part4Port,0x24,0x0e);
+        }
      }
   }
 
-  if(SiS_Pr->SiS_VBType & (VB_SIS301C | VB_SIS302LV)) {
+  if(SiS_Pr->SiS_VBType & (VB_SIS30xCLV | VB_SIS302LV)) {
      if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
-        SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x10,0x9f);
+        SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x10,0x9f);
      }
   }
 
-  if(HwInfo->jChipType >= SIS_315H) {
+  if(SiS_Pr->ChipType >= SIS_315H) {
      if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA) {
-        if(SiS_Pr->SiS_VBType & VB_SIS301LV302LV) {
-           if(SiS_IsDualLink(SiS_Pr, HwInfo)) {
-              SiS_SetRegOR(SiS_Pr->SiS_Part4Port,0x27,0x2c);
-           } else {
-              SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x27,~0x20);
-           }
-
-           if(SiS_Pr->SiS_VBType & (VB_SIS302LV | VB_SIS302ELV)) {
-              SiS_SetReg(SiS_Pr->SiS_Part4Port,0x2a,0x00);
-#ifdef SET_EMI
-              SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x30,0x0c);
-#endif
-              SiS_SetReg(SiS_Pr->SiS_Part4Port,0x34,0x10);
-           }
-        }
-        return;
+        SiS_SetDualLinkEtc(SiS_Pr);
+        return;
      }
   }
 
@@ -7777,16 +7600,16 @@ SiS_SetGroup4(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
   SiS_SetReg(SiS_Pr->SiS_Part4Port,0x15,temp);
 
   tempbx = SiS_Pr->SiS_VGAHDE;
-  if(modeflag & HalfDCLK)            tempbx >>= 1;
-  if(SiS_IsDualLink(SiS_Pr, HwInfo)) tempbx >>= 1;
+  if(modeflag & HalfDCLK)    tempbx >>= 1;
+  if(SiS_IsDualLink(SiS_Pr)) tempbx >>= 1;
 
   if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {
      temp = 0;
      if(tempbx > 800)        temp = 0x60;
   } else if(SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision) {
      temp = 0;
-     if(tempbx == 1024)      temp = 0xA0;
-     else if(tempbx > 1024)  temp = 0xC0;
+     if(tempbx > 1024)       temp = 0xC0;
+     else if(tempbx >= 960)  temp = 0xA0;
   } else if(SiS_Pr->SiS_TVMode & (TVSetYPbPr525p | TVSetYPbPr750p)) {
      temp = 0;
      if(tempbx >= 1280)      temp = 0x40;
@@ -7796,8 +7619,13 @@ SiS_SetGroup4(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
      if(tempbx >= 1024)      temp = 0xA0;
   }
 
+  temp |= SiS_Pr->Init_P4_0E;
+
   if(SiS_Pr->SiS_VBType & VB_SIS301) {
-     if(SiS_Pr->SiS_LCDResInfo != Panel_1280x1024) temp |= 0x0A;
+     if(SiS_Pr->SiS_LCDResInfo != Panel_1280x1024) {
+        temp &= 0xf0;
+        temp |= 0x0A;
+     }
   }
 
   SiS_SetRegANDOR(SiS_Pr->SiS_Part4Port,0x0E,0x10,temp);
@@ -7824,15 +7652,15 @@ SiS_SetGroup4(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
   tempeax /= tempebx;
   if(templong) tempeax++;
 
-  temp = (USHORT)(tempeax & 0x000000FF);
+  temp = (unsigned short)(tempeax & 0x000000FF);
   SiS_SetReg(SiS_Pr->SiS_Part4Port,0x1B,temp);
-  temp = (USHORT)((tempeax & 0x0000FF00) >> 8);
+  temp = (unsigned short)((tempeax & 0x0000FF00) >> 8);
   SiS_SetReg(SiS_Pr->SiS_Part4Port,0x1A,temp);
-  temp = (USHORT)((tempeax >> 12) & 0x70); /* sic! */
+  temp = (unsigned short)((tempeax >> 12) & 0x70); /* sic! */
   temp |= (tempcx & 0x4F);
   SiS_SetReg(SiS_Pr->SiS_Part4Port,0x19,temp);
 
-  if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {
+  if(SiS_Pr->SiS_VBType & VB_SIS30xBLV) {
 
      SiS_SetReg(SiS_Pr->SiS_Part4Port,0x1C,0x28);
 
@@ -7840,23 +7668,26 @@ SiS_SetGroup4(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
      tempbx = 0;
      if(SiS_Pr->SiS_TVMode & (TVSetHiVision | TVSetYPbPr750p)) tempbx = 0x08;
      tempax = SiS_Pr->SiS_VGAHDE;
-     if(modeflag & HalfDCLK)            tempax >>= 1;
-     if(SiS_IsDualLink(SiS_Pr, HwInfo)) tempax >>= 1;
+     if(modeflag & HalfDCLK)    tempax >>= 1;
+     if(SiS_IsDualLink(SiS_Pr)) tempax >>= 1;
      if(tempax > 800) {
         if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {
            tempax -= 800;
-        } else {  /* 651+301C: Only if TVNoHiviNoYPbPr */
+        } else {
            tempbx = 0x08;
-           if(tempax == 1024) tempax *= 25;
-           else               tempax *= 20;
+           if(tempax == 960)       tempax *= 25; /* Correct */
+           else if(tempax == 1024) tempax *= 25;
+           else                    tempax *= 20;
            temp = tempax % 32;
            tempax /= 32;
            if(temp) tempax++;
            tempax++;
-           if((SiS_Pr->SiS_VBInfo & SetCRT2ToTVNoYPbPrHiVision) ||
-              (SiS_Pr->SiS_TVMode & TVSetYPbPr525i)) {
-              if(resinfo == SIS_RI_1024x768) {
-                 /* Otherwise white line at right edge */
+           if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
+              if(resinfo == SIS_RI_1024x768 ||
+                 resinfo == SIS_RI_1024x576 ||
+                 resinfo == SIS_RI_1280x1024 ||
+                 resinfo == SIS_RI_1280x720) {
+                 /* Otherwise white line or garbage at right edge */
                  tempax = (tempax & 0xff00) | 0x20;
               }
            }
@@ -7868,7 +7699,7 @@ SiS_SetGroup4(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
      SiS_SetReg(SiS_Pr->SiS_Part4Port,0x1E,temp);
 
      temp = 0x0036; tempbx = 0xD0;
-     if((HwInfo->jChipType >= SIS_315H) && (SiS_Pr->SiS_VBType & VB_SIS301LV302LV)) {
+     if((SiS_Pr->ChipType >= SIS_315H) && (SiS_Pr->SiS_VBType & VB_SISLVDS)) {
         temp = 0x0026; tempbx = 0xC0; /* See En/DisableBridge() */
      }
      if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
@@ -7884,36 +7715,24 @@ SiS_SetGroup4(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
      SiS_SetRegANDOR(SiS_Pr->SiS_Part4Port,0x1F,tempbx,temp);
 
      tempbx = SiS_Pr->SiS_HT >> 1;
-     if(SiS_IsDualLink(SiS_Pr, HwInfo)) tempbx >>= 1;
+     if(SiS_IsDualLink(SiS_Pr)) tempbx >>= 1;
      tempbx -= 2;
      SiS_SetReg(SiS_Pr->SiS_Part4Port,0x22,tempbx);
      temp = (tempbx >> 5) & 0x38;
      SiS_SetRegANDOR(SiS_Pr->SiS_Part4Port,0x21,0xC0,temp);
 
-     if(SiS_Pr->SiS_VBType & VB_SIS301LV302LV) {
+     if(SiS_Pr->SiS_VBType & VB_SISLVDS) {
         if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {
            SiS_SetReg(SiS_Pr->SiS_Part4Port,0x24,0x0e);
            /* LCD-too-dark-error-source, see FinalizeLCD() */
         }
-        if(HwInfo->jChipType >= SIS_315H) {
-           if(SiS_IsDualLink(SiS_Pr, HwInfo)) {
-              SiS_SetRegOR(SiS_Pr->SiS_Part4Port,0x27,0x2c);
-           } else {
-              SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x27,~0x20);
-           }
-        }
-        if(SiS_Pr->SiS_VBType & (VB_SIS302LV | VB_SIS302ELV)) {
-           SiS_SetReg(SiS_Pr->SiS_Part4Port,0x2a,0x00);
-#ifdef SET_EMI
-           SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x30,0x0c);
-#endif
-           SiS_SetReg(SiS_Pr->SiS_Part4Port,0x34,0x10);
-        }
      }
 
+     SiS_SetDualLinkEtc(SiS_Pr);
+
   }  /* 301B */
 
-  SiS_SetCRT2VCLK(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex, HwInfo);
+  SiS_SetCRT2VCLK(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex);
 }
 
 /*********************************************/
@@ -7921,8 +7740,7 @@ SiS_SetGroup4(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 /*********************************************/
 
 static void
-SiS_SetGroup5(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
-              PSIS_HW_INFO HwInfo)
+SiS_SetGroup5(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex)
 {
 
   if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA)  return;
@@ -7930,7 +7748,7 @@ SiS_SetGroup5(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
   if(SiS_Pr->SiS_ModeType == ModeVGA) {
      if(!(SiS_Pr->SiS_VBInfo & (SetInSlaveMode | LoadDACFlag))) {
         SiS_SetRegOR(SiS_Pr->SiS_P3c4,0x1E,0x20);
-        SiS_LoadDAC(SiS_Pr, HwInfo, ModeNo, ModeIdIndex);
+        SiS_LoadDAC(SiS_Pr, ModeNo, ModeIdIndex);
      }
   }
 }
@@ -7939,116 +7757,156 @@ SiS_SetGroup5(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 /*     MODIFY CRT1 GROUP FOR SLAVE MODE      */
 /*********************************************/
 
-static void
-SiS_ModCRT1CRTC(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
-                USHORT RefreshRateTableIndex, PSIS_HW_INFO HwInfo)
-{
-  USHORT tempah,i,modeflag,j;
-  USHORT ResIndex,DisplayType;
-  const SiS_LVDSCRT1DataStruct *LVDSCRT1Ptr=NULL;
+static BOOLEAN
+SiS_GetLVDSCRT1Ptr(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex,
+                   unsigned short RefreshRateTableIndex, unsigned short *ResIndex,
+                   unsigned short *DisplayType)
+ {
+  unsigned short modeflag = 0;
+  BOOLEAN checkhd = TRUE;
 
-  if(ModeNo <= 0x13) modeflag = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ModeFlag;
-  else               modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag;
+  /* Pass 1:1 not supported here */
+
+  if(ModeNo <= 0x13) {
+     modeflag = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ModeFlag;
+     (*ResIndex) = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_CRT2CRTC;
+  } else {
+     modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag;
+     (*ResIndex) = SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_CRT2CRTC;
+  }
+
+  (*ResIndex) &= 0x3F;
+
+  if((SiS_Pr->SiS_IF_DEF_CH70xx) && (SiS_Pr->SiS_VBInfo & SetCRT2ToTV)) {
+
+     (*DisplayType) = 80;
+     if((SiS_Pr->SiS_TVMode & TVSetPAL) && (!(SiS_Pr->SiS_TVMode & TVSetPALM))) {
+        (*DisplayType) = 82;
+        if(SiS_Pr->SiS_ModeType > ModeVGA) {
+           if(SiS_Pr->SiS_CHSOverScan) (*DisplayType) = 84;
+        }
+     }
+     if((*DisplayType) != 84) {
+        if(SiS_Pr->SiS_TVMode & TVSetCHOverScan) (*DisplayType)++;
+     }
+
+  } else {
+
+     (*DisplayType = 0);
+     switch(SiS_Pr->SiS_LCDResInfo) {
+     case Panel_320x240_1: (*DisplayType) = 50;
+                           checkhd = FALSE;
+                           break;
+     case Panel_320x240_2: (*DisplayType) = 14;
+                           break;
+     case Panel_320x240_3: (*DisplayType) = 18;
+                           break;
+     case Panel_640x480:   (*DisplayType) = 10;
+                           break;
+     case Panel_1024x600:  (*DisplayType) = 26;
+                           break;
+     default: return TRUE;
+     }
+
+     if(checkhd) {
+        if(modeflag & HalfDCLK) (*DisplayType)++;
+     }
+
+     if(SiS_Pr->SiS_LCDResInfo == Panel_1024x600) {
+        if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) (*DisplayType) += 2;
+     }
+
+  }
+
+  return TRUE;
+}
+
+static void
+SiS_ModCRT1CRTC(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex,
+                unsigned short RefreshRateTableIndex)
+{
+  unsigned short tempah, i, modeflag, j, ResIndex, DisplayType;
+  const struct SiS_LVDSCRT1Data *LVDSCRT1Ptr=NULL;
+  static const unsigned short CRIdx[] = {
+        0x00, 0x02, 0x03, 0x04, 0x05, 0x06,
+        0x07, 0x10, 0x11, 0x15, 0x16
+  };
 
   if((SiS_Pr->SiS_CustomT == CUT_BARCO1366) ||
      (SiS_Pr->SiS_CustomT == CUT_BARCO1024) ||
-     (SiS_Pr->SiS_CustomT == CUT_PANEL848))
+     (SiS_Pr->SiS_CustomT == CUT_PANEL848)  ||
+     (SiS_Pr->SiS_CustomT == CUT_PANEL856) )
      return;
 
+  if(SiS_Pr->SiS_IF_DEF_LVDS) {
+     if(!(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA)) {
+        if(!(SiS_Pr->SiS_VBInfo & SetInSlaveMode)) return;
+     }
+  } else if(SiS_Pr->SiS_VBType & VB_SISVB) {
+     if(!(SiS_Pr->SiS_VBInfo & SetInSlaveMode)) return;
+  } else return;
+
+  if(SiS_Pr->SiS_LCDInfo & LCDPass11) return;
+
+  if(SiS_Pr->ChipType < SIS_315H) {
+     if(SiS_Pr->SiS_SetFlag & SetDOSMode) return;
+  }
+
   if(!(SiS_GetLVDSCRT1Ptr(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex,
                           &ResIndex, &DisplayType))) {
      return;
   }
 
-  if(HwInfo->jChipType < SIS_315H) {
-     if(SiS_Pr->SiS_SetFlag & SetDOSMode) return;
+  switch(DisplayType) {
+    case 50: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT1320x240_1;           break; /* xSTN */
+    case 14: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT1320x240_2;           break; /* xSTN */
+    case 15: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT1320x240_2_H;         break; /* xSTN */
+    case 18: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT1320x240_3;           break; /* xSTN */
+    case 19: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT1320x240_3_H;         break; /* xSTN */
+    case 10: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT1640x480_1;           break;
+    case 11: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT1640x480_1_H;         break;
+#if 0 /* Works better with calculated numbers */
+    case 26: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11024x600_1;          break;
+    case 27: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11024x600_1_H;        break;
+    case 28: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11024x600_2;          break;
+    case 29: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11024x600_2_H;        break;
+#endif
+    case 80: LVDSCRT1Ptr = SiS_Pr->SiS_CHTVCRT1UNTSC;               break;
+    case 81: LVDSCRT1Ptr = SiS_Pr->SiS_CHTVCRT1ONTSC;               break;
+    case 82: LVDSCRT1Ptr = SiS_Pr->SiS_CHTVCRT1UPAL;                break;
+    case 83: LVDSCRT1Ptr = SiS_Pr->SiS_CHTVCRT1OPAL;                break;
+    case 84: LVDSCRT1Ptr = SiS_Pr->SiS_CHTVCRT1SOPAL;               break;
   }
 
-  switch(DisplayType) {
-    case 0 : LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT1800x600_1;           break;
-    case 1 : LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT1800x600_1_H;         break;
-    case 2 : LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT1800x600_2;           break;
-    case 3 : LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT1800x600_2_H;         break;
-    case 4 : LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11024x768_1;          break;
-    case 5 : LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11024x768_1_H;        break;
-    case 6 : LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11024x768_2;          break;
-    case 7 : LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11024x768_2_H;        break;
-    case 8 : LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11280x1024_1;         break;
-    case 9 : LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11280x1024_1_H;       break;
-    case 10: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11280x1024_2;         break;
-    case 11: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11280x1024_2_H;       break;
-    case 12: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT1XXXxXXX_1;           break;
-    case 13: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT1XXXxXXX_1_H;         break;
-    case 14: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11400x1050_1;         break;
-    case 15: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11400x1050_1_H;       break;
-    case 16: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11400x1050_2;         break;
-    case 17: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11400x1050_2_H;       break;
-    case 18: LVDSCRT1Ptr = SiS_Pr->SiS_CHTVCRT1UNTSC;               break;
-    case 19: LVDSCRT1Ptr = SiS_Pr->SiS_CHTVCRT1ONTSC;               break;
-    case 20: LVDSCRT1Ptr = SiS_Pr->SiS_CHTVCRT1UPAL;                break;
-    case 21: LVDSCRT1Ptr = SiS_Pr->SiS_CHTVCRT1OPAL;                break;
-    case 22: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT1320x480_1;           break; /* FSTN */
-    case 23: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11024x600_1;          break;
-    case 24: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11024x600_1_H;        break;
-    case 25: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11024x600_2;          break;
-    case 26: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11024x600_2_H;        break;
-    case 27: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11152x768_1;          break;
-    case 28: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11152x768_1_H;        break;
-    case 29: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11152x768_2;          break;
-    case 30: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11152x768_2_H;        break;
-    case 36: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11600x1200_1;         break;
-    case 37: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11600x1200_1_H;       break;
-    case 38: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11600x1200_2;         break;
-    case 39: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11600x1200_2_H;       break;
-    case 40: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11280x768_1;          break;
-    case 41: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11280x768_1_H;        break;
-    case 42: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11280x768_2;          break;
-    case 43: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11280x768_2_H;        break;
-    case 50: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT1640x480_1;           break;
-    case 51: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT1640x480_1_H;         break;
-    case 52: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT1640x480_2;           break;
-    case 53: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT1640x480_2_H;         break;
-    case 54: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT1640x480_3;           break;
-    case 55: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT1640x480_3_H;         break;
-    case 99: LVDSCRT1Ptr = SiS_Pr->SiS_CHTVCRT1SOPAL;               break;
-    default: LVDSCRT1Ptr = SiS_Pr->SiS_LVDSCRT11024x768_1;          break;
-  }
-
-  SiS_SetRegAND(SiS_Pr->SiS_P3d4,0x11,0x7f);
-
-  tempah = (LVDSCRT1Ptr + ResIndex)->CR[0];
-  SiS_SetReg(SiS_Pr->SiS_P3d4,0x00,tempah);
-
-  for(i=0x02,j=1;i<=0x05;i++,j++){
-    tempah = (LVDSCRT1Ptr + ResIndex)->CR[j];
-    SiS_SetReg(SiS_Pr->SiS_P3d4,i,tempah);
-  }
-  for(i=0x06,j=5;i<=0x07;i++,j++){
-    tempah = (LVDSCRT1Ptr + ResIndex)->CR[j];
-    SiS_SetReg(SiS_Pr->SiS_P3d4,i,tempah);
-  }
-  for(i=0x10,j=7;i<=0x11;i++,j++){
-    tempah = (LVDSCRT1Ptr + ResIndex)->CR[j];
-    SiS_SetReg(SiS_Pr->SiS_P3d4,i,tempah);
-  }
-  for(i=0x15,j=9;i<=0x16;i++,j++){
-    tempah = (LVDSCRT1Ptr + ResIndex)->CR[j];
-    SiS_SetReg(SiS_Pr->SiS_P3d4,i,tempah);
-  }
-  for(i=0x0A,j=11;i<=0x0C;i++,j++){
-    tempah = (LVDSCRT1Ptr + ResIndex)->CR[j];
-    SiS_SetReg(SiS_Pr->SiS_P3c4,i,tempah);
-  }
-
-  tempah = (LVDSCRT1Ptr + ResIndex)->CR[14];
-  tempah &= 0xE0;
-  SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x0E,0x1f,tempah);
-
-  tempah = (LVDSCRT1Ptr + ResIndex)->CR[14];
-  tempah &= 0x01;
-  tempah <<= 5;
-  if(modeflag & DoubleScanMode)  tempah |= 0x080;
-  SiS_SetRegANDOR(SiS_Pr->SiS_P3d4,0x09,~0x020,tempah);
+  if(LVDSCRT1Ptr) {
+
+     SiS_SetRegAND(SiS_Pr->SiS_P3d4,0x11,0x7f);
+
+     for(i = 0; i <= 10; i++) {
+        tempah = (LVDSCRT1Ptr + ResIndex)->CR[i];
+        SiS_SetReg(SiS_Pr->SiS_P3d4,CRIdx[i],tempah);
+     }
+
+     for(i = 0x0A, j = 11; i <= 0x0C; i++, j++) {
+        tempah = (LVDSCRT1Ptr + ResIndex)->CR[j];
+        SiS_SetReg(SiS_Pr->SiS_P3c4,i,tempah);
+     }
+
+     tempah = (LVDSCRT1Ptr + ResIndex)->CR[14] & 0xE0;
+     SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x0E,0x1f,tempah);
+
+     if(ModeNo <= 0x13) modeflag = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ModeFlag;
+     else               modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag;
+
+     tempah = ((LVDSCRT1Ptr + ResIndex)->CR[14] & 0x01) << 5;
+     if(modeflag & DoubleScanMode) tempah |= 0x80;
+     SiS_SetRegANDOR(SiS_Pr->SiS_P3d4,0x09,~0x020,tempah);
+
+  } else {
+
+     SiS_CalcLCDACRT1Timing(SiS_Pr, ModeNo, ModeIdIndex);
+
+  }
 }
 
 /*********************************************/
@@ -8056,24 +7914,24 @@ SiS_ModCRT1CRTC(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 /*********************************************/
 
 static void
-SiS_SetCRT2ECLK(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
-           USHORT RefreshRateTableIndex, PSIS_HW_INFO HwInfo)
+SiS_SetCRT2ECLK(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex,
+           unsigned short RefreshRateTableIndex)
 {
-  UCHAR  *ROMAddr = HwInfo->pjVirtualRomBase;
-  USHORT clkbase, vclkindex=0;
-  UCHAR  sr2b, sr2c;
+  unsigned char  *ROMAddr = SiS_Pr->VirtualRomBase;
+  unsigned short clkbase, vclkindex = 0;
+  unsigned char  sr2b, sr2c;
 
-  if((SiS_Pr->SiS_LCDResInfo == Panel_640x480) || (SiS_Pr->SiS_LCDInfo & LCDPass11)) {
-        SiS_Pr->SiS_SetFlag &= (~ProgrammingCRT2);
-        if((SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_CRTVCLK & 0x3f) == 2) {
-           RefreshRateTableIndex--;
-        }
-        vclkindex = SiS_GetVCLK2Ptr(SiS_Pr, ModeNo, ModeIdIndex,
-                                    RefreshRateTableIndex, HwInfo);
-        SiS_Pr->SiS_SetFlag |= ProgrammingCRT2;
+  if(SiS_Pr->SiS_LCDInfo & LCDPass11) {
+     SiS_Pr->SiS_SetFlag &= (~ProgrammingCRT2);
+     if(SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_CRTVCLK == 2) {
+        RefreshRateTableIndex--;
+     }
+     vclkindex = SiS_GetVCLK2Ptr(SiS_Pr, ModeNo, ModeIdIndex,
+                                    RefreshRateTableIndex);
+     SiS_Pr->SiS_SetFlag |= ProgrammingCRT2;
   } else {
-        vclkindex = SiS_GetVCLK2Ptr(SiS_Pr, ModeNo, ModeIdIndex,
-                                    RefreshRateTableIndex, HwInfo);
+     vclkindex = SiS_GetVCLK2Ptr(SiS_Pr, ModeNo, ModeIdIndex,
+                                    RefreshRateTableIndex);
   }
 
   sr2b = SiS_Pr->SiS_VCLKData[vclkindex].SR2B;
@@ -8082,7 +7940,7 @@ SiS_SetCRT2ECLK(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
   if((SiS_Pr->SiS_CustomT == CUT_BARCO1366) || (SiS_Pr->SiS_CustomT == CUT_BARCO1024)) {
      if(SiS_Pr->SiS_UseROM) {
         if(ROMAddr[0x220] & 0x01) {
-           sr2b = ROMAddr[0x227];
+           sr2b = ROMAddr[0x227];
            sr2c = ROMAddr[0x228];
         }
      }
@@ -8091,7 +7949,7 @@ SiS_SetCRT2ECLK(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
   clkbase = 0x02B;
   if(!(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA)) {
      if(!(SiS_Pr->SiS_VBInfo & SetInSlaveMode)) {
-        clkbase += 3;
+        clkbase += 3;
      }
   }
 
@@ -8111,368 +7969,331 @@ SiS_SetCRT2ECLK(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 /*********************************************/
 
 static void
-SiS_SetCHTVReg(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
-               USHORT RefreshRateTableIndex)
+SiS_SetCHTVReg(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex,
+               unsigned short RefreshRateTableIndex)
 {
-#if defined(SIS300) || defined(SIS315H)
-  USHORT temp, tempbx;
-#endif
-  USHORT tempcl;
-  USHORT TVType, resindex;
-  const SiS_CHTVRegDataStruct *CHTVRegData = NULL;
+   unsigned short TVType, resindex;
+   const struct SiS_CHTVRegData *CHTVRegData = NULL;
 
-  if(ModeNo <= 0x13)
-     tempcl = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_CRT2CRTC;
-  else
-     tempcl = SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_CRT2CRTC;
+   if(ModeNo <= 0x13)
+      resindex = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_CRT2CRTC;
+   else
+      resindex = SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_CRT2CRTC;
 
-  TVType = 0;
-  if(SiS_Pr->SiS_TVMode & TVSetCHOverScan) TVType += 1;
-  if(SiS_Pr->SiS_TVMode & TVSetPAL) {
-        TVType += 2;
-        if(SiS_Pr->SiS_ModeType > ModeVGA) {
-           if(SiS_Pr->SiS_CHSOverScan) TVType = 8;
-        }
-        if(SiS_Pr->SiS_TVMode & TVSetPALM) {
-                TVType = 4;
-                if(SiS_Pr->SiS_TVMode & TVSetCHOverScan) TVType += 1;
-        } else if(SiS_Pr->SiS_TVMode & TVSetPALN) {
-                TVType = 6;
-                if(SiS_Pr->SiS_TVMode & TVSetCHOverScan) TVType += 1;
-        }
-  }
-  switch(TVType) {
-     case  0: CHTVRegData = SiS_Pr->SiS_CHTVReg_UNTSC; break;
-     case  1: CHTVRegData = SiS_Pr->SiS_CHTVReg_ONTSC; break;
-     case  2: CHTVRegData = SiS_Pr->SiS_CHTVReg_UPAL;  break;
-     case  3: CHTVRegData = SiS_Pr->SiS_CHTVReg_OPAL;  break;
-     case  4: CHTVRegData = SiS_Pr->SiS_CHTVReg_UPALM; break;
-     case  5: CHTVRegData = SiS_Pr->SiS_CHTVReg_OPALM; break;
-     case  6: CHTVRegData = SiS_Pr->SiS_CHTVReg_UPALN; break;
-     case  7: CHTVRegData = SiS_Pr->SiS_CHTVReg_OPALN; break;
-     case  8: CHTVRegData = SiS_Pr->SiS_CHTVReg_SOPAL; break;
-     default: CHTVRegData = SiS_Pr->SiS_CHTVReg_OPAL;  break;
-  }
-  resindex = tempcl & 0x3F;
+   resindex &= 0x3F;
+
+   TVType = 0;
+   if(SiS_Pr->SiS_TVMode & TVSetCHOverScan) TVType += 1;
+   if(SiS_Pr->SiS_TVMode & TVSetPAL) {
+      TVType += 2;
+      if(SiS_Pr->SiS_ModeType > ModeVGA) {
+         if(SiS_Pr->SiS_CHSOverScan) TVType = 8;
+      }
+      if(SiS_Pr->SiS_TVMode & TVSetPALM) {
+         TVType = 4;
+         if(SiS_Pr->SiS_TVMode & TVSetCHOverScan) TVType += 1;
+      } else if(SiS_Pr->SiS_TVMode & TVSetPALN) {
+         TVType = 6;
+         if(SiS_Pr->SiS_TVMode & TVSetCHOverScan) TVType += 1;
+      }
+   }
+
+   switch(TVType) {
+      case  0: CHTVRegData = SiS_Pr->SiS_CHTVReg_UNTSC; break;
+      case  1: CHTVRegData = SiS_Pr->SiS_CHTVReg_ONTSC; break;
+      case  2: CHTVRegData = SiS_Pr->SiS_CHTVReg_UPAL;  break;
+      case  3: CHTVRegData = SiS_Pr->SiS_CHTVReg_OPAL;  break;
+      case  4: CHTVRegData = SiS_Pr->SiS_CHTVReg_UPALM; break;
+      case  5: CHTVRegData = SiS_Pr->SiS_CHTVReg_OPALM; break;
+      case  6: CHTVRegData = SiS_Pr->SiS_CHTVReg_UPALN; break;
+      case  7: CHTVRegData = SiS_Pr->SiS_CHTVReg_OPALN; break;
+      case  8: CHTVRegData = SiS_Pr->SiS_CHTVReg_SOPAL; break;
+      default: CHTVRegData = SiS_Pr->SiS_CHTVReg_OPAL;  break;
+   }
 
-  if(SiS_Pr->SiS_IF_DEF_CH70xx == 1) {
+
+   if(SiS_Pr->SiS_IF_DEF_CH70xx == 1) {
 
 #ifdef SIS300
 
-     /* Chrontel 7005 - I assume that it does not come with a 315 series chip */
+      /* Chrontel 7005 - I assume that it does not come with a 315 series chip */
 
-     /* We don't support modes >800x600 */
-     if (resindex > 5) return;
+      /* We don't support modes >800x600 */
+      if (resindex > 5) return;
 
-     if(SiS_Pr->SiS_TVMode & TVSetPAL) {
-        SiS_SetCH700x(SiS_Pr,0x4304);   /* 0x40=76uA (PAL); 0x03=15bit non-multi RGB*/
-        SiS_SetCH700x(SiS_Pr,0x6909);   /* Black level for PAL (105)*/
-     } else {
-        SiS_SetCH700x(SiS_Pr,0x0304);   /* upper nibble=71uA (NTSC), 0x03=15bit non-multi RGB*/
-        SiS_SetCH700x(SiS_Pr,0x7109);   /* Black level for NTSC (113)*/
-     }
-
-     temp = CHTVRegData[resindex].Reg[0];
-     tempbx=((temp&0x00FF)<<8)|0x00;    /* Mode register */
-     SiS_SetCH700x(SiS_Pr,tempbx);
-     temp = CHTVRegData[resindex].Reg[1];
-     tempbx=((temp&0x00FF)<<8)|0x07;    /* Start active video register */
-     SiS_SetCH700x(SiS_Pr,tempbx);
-     temp = CHTVRegData[resindex].Reg[2];
-     tempbx=((temp&0x00FF)<<8)|0x08;    /* Position overflow register */
-     SiS_SetCH700x(SiS_Pr,tempbx);
-     temp = CHTVRegData[resindex].Reg[3];
-     tempbx=((temp&0x00FF)<<8)|0x0A;    /* Horiz Position register */
-     SiS_SetCH700x(SiS_Pr,tempbx);
-     temp = CHTVRegData[resindex].Reg[4];
-     tempbx=((temp&0x00FF)<<8)|0x0B;    /* Vertical Position register */
-     SiS_SetCH700x(SiS_Pr,tempbx);
-
-     /* Set minimum flicker filter for Luma channel (SR1-0=00),
+      if(SiS_Pr->SiS_TVMode & TVSetPAL) {
+         SiS_SetCH700x(SiS_Pr,0x04,0x43);  /* 0x40=76uA (PAL); 0x03=15bit non-multi RGB*/
+         SiS_SetCH700x(SiS_Pr,0x09,0x69);  /* Black level for PAL (105)*/
+      } else {
+         SiS_SetCH700x(SiS_Pr,0x04,0x03);   /* upper nibble=71uA (NTSC), 0x03=15bit non-multi RGB*/
+         SiS_SetCH700x(SiS_Pr,0x09,0x71);   /* Black level for NTSC (113)*/
+      }
+
+      SiS_SetCH700x(SiS_Pr,0x00,CHTVRegData[resindex].Reg[0]);  /* Mode register */
+      SiS_SetCH700x(SiS_Pr,0x07,CHTVRegData[resindex].Reg[1]);  /* Start active video register */
+      SiS_SetCH700x(SiS_Pr,0x08,CHTVRegData[resindex].Reg[2]);  /* Position overflow register */
+      SiS_SetCH700x(SiS_Pr,0x0a,CHTVRegData[resindex].Reg[3]);  /* Horiz Position register */
+      SiS_SetCH700x(SiS_Pr,0x0b,CHTVRegData[resindex].Reg[4]);  /* Vertical Position register */
+
+      /* Set minimum flicker filter for Luma channel (SR1-0=00),
                 minimum text enhancement (S3-2=10),
                 maximum flicker filter for Chroma channel (S5-4=10)
                 =00101000=0x28 (When reading, S1-0->S3-2, and S3-2->S1-0!)
-      */
-     SiS_SetCH700x(SiS_Pr,0x2801);
+       */
+      SiS_SetCH700x(SiS_Pr,0x01,0x28);
 
-     /* Set video bandwidth
+      /* Set video bandwidth
             High bandwith Luma composite video filter(S0=1)
             low bandwith Luma S-video filter (S2-1=00)
             disable peak filter in S-video channel (S3=0)
             high bandwidth Chroma Filter (S5-4=11)
             =00110001=0x31
-     */
-     SiS_SetCH700x(SiS_Pr,0xb103);       /* old: 3103 */
+      */
+      SiS_SetCH700x(SiS_Pr,0x03,0xb1);       /* old: 3103 */
 
-     /* Register 0x3D does not exist in non-macrovision register map
+      /* Register 0x3D does not exist in non-macrovision register map
             (Maybe this is a macrovision register?)
-      */
+       */
 #ifndef SIS_CP
-     SiS_SetCH70xx(SiS_Pr,0x003D);
+      SiS_SetCH70xx(SiS_Pr,0x3d,0x00);
 #endif
 
-     /* Register 0x10 only contains 1 writable bit (S0) for sensing,
-            all other bits a read-only. Macrovision?
-      */
-     SiS_SetCH70xxANDOR(SiS_Pr,0x0010,0x1F);
+      /* Register 0x10 only contains 1 writable bit (S0) for sensing,
+             all other bits a read-only. Macrovision?
+       */
+      SiS_SetCH70xxANDOR(SiS_Pr,0x10,0x00,0x1F);
 
-     /* Register 0x11 only contains 3 writable bits (S0-S2) for
-            contrast enhancement (set to 010 -> gain 1 Yout = 17/16*(Yin-30) )
-      */
-     SiS_SetCH70xxANDOR(SiS_Pr,0x0211,0xF8);
+      /* Register 0x11 only contains 3 writable bits (S0-S2) for
+             contrast enhancement (set to 010 -> gain 1 Yout = 17/16*(Yin-30) )
+       */
+      SiS_SetCH70xxANDOR(SiS_Pr,0x11,0x02,0xF8);
 
-     /* Clear DSEN
-      */
-     SiS_SetCH70xxANDOR(SiS_Pr,0x001C,0xEF);
-
-     if(!(SiS_Pr->SiS_TVMode & TVSetPAL)) {             /* ---- NTSC ---- */
-       if(SiS_Pr->SiS_TVMode & TVSetCHOverScan) {
-         if(resindex == 0x04) {                         /* 640x480 overscan: Mode 16 */
-           SiS_SetCH70xxANDOR(SiS_Pr,0x0020,0xEF);      /* loop filter off */
-           SiS_SetCH70xxANDOR(SiS_Pr,0x0121,0xFE);      /* ACIV on, no need to set FSCI */
-         } else if(resindex == 0x05) {                  /* 800x600 overscan: Mode 23 */
-           SiS_SetCH70xxANDOR(SiS_Pr,0x0118,0xF0);      /* 0x18-0x1f: FSCI 469,762,048 */
-           SiS_SetCH70xxANDOR(SiS_Pr,0x0C19,0xF0);
-           SiS_SetCH70xxANDOR(SiS_Pr,0x001A,0xF0);
-           SiS_SetCH70xxANDOR(SiS_Pr,0x001B,0xF0);
-           SiS_SetCH70xxANDOR(SiS_Pr,0x001C,0xF0);
-           SiS_SetCH70xxANDOR(SiS_Pr,0x001D,0xF0);
-           SiS_SetCH70xxANDOR(SiS_Pr,0x001E,0xF0);
-           SiS_SetCH70xxANDOR(SiS_Pr,0x001F,0xF0);
-           SiS_SetCH70xxANDOR(SiS_Pr,0x0120,0xEF);       /* Loop filter on for mode 23 */
-           SiS_SetCH70xxANDOR(SiS_Pr,0x0021,0xFE);       /* ACIV off, need to set FSCI */
-         }
-       } else {
-         if(resindex == 0x04) {                          /* ----- 640x480 underscan; Mode 17 */
-           SiS_SetCH70xxANDOR(SiS_Pr,0x0020,0xEF);       /* loop filter off */
-           SiS_SetCH70xxANDOR(SiS_Pr,0x0121,0xFE);
-         } else if(resindex == 0x05) {                   /* ----- 800x600 underscan: Mode 24 */
+      /* Clear DSEN
+       */
+      SiS_SetCH70xxANDOR(SiS_Pr,0x1c,0x00,0xEF);
+
+      if(!(SiS_Pr->SiS_TVMode & TVSetPAL)) {            /* ---- NTSC ---- */
+         if(SiS_Pr->SiS_TVMode & TVSetCHOverScan) {
+            if(resindex == 0x04) {                      /* 640x480 overscan: Mode 16 */
+               SiS_SetCH70xxANDOR(SiS_Pr,0x20,0x00,0xEF);       /* loop filter off */
+               SiS_SetCH70xxANDOR(SiS_Pr,0x21,0x01,0xFE);       /* ACIV on, no need to set FSCI */
+            } else if(resindex == 0x05) {               /* 800x600 overscan: Mode 23 */
+               SiS_SetCH70xxANDOR(SiS_Pr,0x18,0x01,0xF0);       /* 0x18-0x1f: FSCI 469,762,048 */
+               SiS_SetCH70xxANDOR(SiS_Pr,0x19,0x0C,0xF0);
+               SiS_SetCH70xxANDOR(SiS_Pr,0x1a,0x00,0xF0);
+               SiS_SetCH70xxANDOR(SiS_Pr,0x1b,0x00,0xF0);
+               SiS_SetCH70xxANDOR(SiS_Pr,0x1c,0x00,0xF0);
+               SiS_SetCH70xxANDOR(SiS_Pr,0x1d,0x00,0xF0);
+               SiS_SetCH70xxANDOR(SiS_Pr,0x1e,0x00,0xF0);
+               SiS_SetCH70xxANDOR(SiS_Pr,0x1f,0x00,0xF0);
+               SiS_SetCH70xxANDOR(SiS_Pr,0x20,0x01,0xEF);       /* Loop filter on for mode 23 */
+               SiS_SetCH70xxANDOR(SiS_Pr,0x21,0x00,0xFE);       /* ACIV off, need to set FSCI */
+            }
+         } else {
+            if(resindex == 0x04) {                      /* ----- 640x480 underscan; Mode 17 */
+               SiS_SetCH70xxANDOR(SiS_Pr,0x20,0x00,0xEF);       /* loop filter off */
+               SiS_SetCH70xxANDOR(SiS_Pr,0x21,0x01,0xFE);
+            } else if(resindex == 0x05) {               /* ----- 800x600 underscan: Mode 24 */
 #if 0
-           SiS_SetCH70xxANDOR(SiS_Pr,0x0118,0xF0);       /* (FSCI was 0x1f1c71c7 - this is for mode 22) */
-           SiS_SetCH70xxANDOR(SiS_Pr,0x0919,0xF0);       /* FSCI for mode 24 is 428,554,851 */
-           SiS_SetCH70xxANDOR(SiS_Pr,0x081A,0xF0);       /* 198b3a63 */
-           SiS_SetCH70xxANDOR(SiS_Pr,0x0b1B,0xF0);
-           SiS_SetCH70xxANDOR(SiS_Pr,0x041C,0xF0);
-           SiS_SetCH70xxANDOR(SiS_Pr,0x011D,0xF0);
-           SiS_SetCH70xxANDOR(SiS_Pr,0x061E,0xF0);
-           SiS_SetCH70xxANDOR(SiS_Pr,0x051F,0xF0);
-           SiS_SetCH70xxANDOR(SiS_Pr,0x0020,0xEF);       /* loop filter off for mode 24 */
-           SiS_SetCH70xxANDOR(SiS_Pr,0x0021,0xFE);       /* ACIV off, need to set FSCI */
-#endif     /* All alternatives wrong (datasheet wrong?), don't use FSCI */
-           SiS_SetCH70xxANDOR(SiS_Pr,0x0020,0xEF);       /* loop filter off */
-           SiS_SetCH70xxANDOR(SiS_Pr,0x0121,0xFE);
+               SiS_SetCH70xxANDOR(SiS_Pr,0x18,0x01,0xF0);       /* (FSCI was 0x1f1c71c7 - this is for mode 22) */
+               SiS_SetCH70xxANDOR(SiS_Pr,0x19,0x09,0xF0);       /* FSCI for mode 24 is 428,554,851 */
+               SiS_SetCH70xxANDOR(SiS_Pr,0x1a,0x08,0xF0);       /* 198b3a63 */
+               SiS_SetCH70xxANDOR(SiS_Pr,0x1b,0x0b,0xF0);
+               SiS_SetCH70xxANDOR(SiS_Pr,0x1c,0x04,0xF0);
+               SiS_SetCH70xxANDOR(SiS_Pr,0x1d,0x01,0xF0);
+               SiS_SetCH70xxANDOR(SiS_Pr,0x1e,0x06,0xF0);
+               SiS_SetCH70xxANDOR(SiS_Pr,0x1f,0x05,0xF0);
+               SiS_SetCH70xxANDOR(SiS_Pr,0x20,0x00,0xEF);       /* loop filter off for mode 24 */
+               SiS_SetCH70xxANDOR(SiS_Pr,0x21,0x00,0xFE);       * ACIV off, need to set FSCI */
+#endif         /* All alternatives wrong (datasheet wrong?), don't use FSCI */
+               SiS_SetCH70xxANDOR(SiS_Pr,0x20,0x00,0xEF);        /* loop filter off */
+               SiS_SetCH70xxANDOR(SiS_Pr,0x21,0x01,0xFE);
+            }
          }
-       }
-     } else {                                           /* ---- PAL ---- */
-           /* We don't play around with FSCI in PAL mode */
+      } else {                                          /* ---- PAL ---- */
+         /* We don't play around with FSCI in PAL mode */
          if(resindex == 0x04) {
-           SiS_SetCH70xxANDOR(SiS_Pr,0x0020,0xEF);      /* loop filter off */
-           SiS_SetCH70xxANDOR(SiS_Pr,0x0121,0xFE);      /* ACIV on */
+            SiS_SetCH70xxANDOR(SiS_Pr,0x20,0x00,0xEF);  /* loop filter off */
+            SiS_SetCH70xxANDOR(SiS_Pr,0x21,0x01,0xFE);  /* ACIV on */
          } else {
-           SiS_SetCH70xxANDOR(SiS_Pr,0x0020,0xEF);      /* loop filter off */
-           SiS_SetCH70xxANDOR(SiS_Pr,0x0121,0xFE);      /* ACIV on */
+            SiS_SetCH70xxANDOR(SiS_Pr,0x20,0x00,0xEF);  /* loop filter off */
+            SiS_SetCH70xxANDOR(SiS_Pr,0x21,0x01,0xFE);  /* ACIV on */
          }
-     }
-     
+      }
+
 #endif  /* 300 */
 
-  } else {
+   } else {
 
-     /* Chrontel 7019 - assumed that it does not come with a 300 series chip */
+      /* Chrontel 7019 - assumed that it does not come with a 300 series chip */
 
 #ifdef SIS315H
 
-     /* We don't support modes >1024x768 */
-     if (resindex > 6) return;
-
-     temp = CHTVRegData[resindex].Reg[0];
-     if(SiS_Pr->SiS_TVMode & TVSetNTSCJ) {
-        temp |= 0x10;
-     }
-     tempbx=((temp & 0x00FF) << 8) | 0x00;
-     SiS_SetCH701x(SiS_Pr,tempbx);
-
-     temp = CHTVRegData[resindex].Reg[1];
-     tempbx=((temp & 0x00FF) << 8) | 0x01;
-     SiS_SetCH701x(SiS_Pr,tempbx);
-
-     temp = CHTVRegData[resindex].Reg[2];
-     tempbx=((temp & 0x00FF) << 8) | 0x02;
-     SiS_SetCH701x(SiS_Pr,tempbx);
-
-     temp = CHTVRegData[resindex].Reg[3];
-     tempbx=((temp & 0x00FF) << 8) | 0x04;
-     SiS_SetCH701x(SiS_Pr,tempbx);
-
-     temp = CHTVRegData[resindex].Reg[4];
-     tempbx=((temp & 0x00FF) << 8) | 0x03;
-     SiS_SetCH701x(SiS_Pr,tempbx);
-
-     temp = CHTVRegData[resindex].Reg[5];
-     tempbx=((temp & 0x00FF) << 8) | 0x05;
-     SiS_SetCH701x(SiS_Pr,tempbx);
-
-     temp = CHTVRegData[resindex].Reg[6];
-     tempbx=((temp & 0x00FF) << 8) | 0x06;
-     SiS_SetCH701x(SiS_Pr,tempbx);
-
-     temp = CHTVRegData[resindex].Reg[7];
-     if(SiS_Pr->SiS_TVMode & TVSetNTSCJ) {
-        temp = 0x66;
-     }
-     tempbx=((temp & 0x00FF) << 8) | 0x07;
-     SiS_SetCH701x(SiS_Pr,tempbx);
-
-     temp = CHTVRegData[resindex].Reg[8];
-     tempbx=((temp & 0x00FF) << 8) | 0x08;
-     SiS_SetCH701x(SiS_Pr,tempbx);
-
-     temp = CHTVRegData[resindex].Reg[9];
-     tempbx=((temp & 0x00FF) << 8) | 0x15;
-     SiS_SetCH701x(SiS_Pr,tempbx);
-
-     temp = CHTVRegData[resindex].Reg[10];
-     tempbx=((temp & 0x00FF) << 8) | 0x1f;
-     SiS_SetCH701x(SiS_Pr,tempbx);
-
-     temp = CHTVRegData[resindex].Reg[11];
-     tempbx=((temp & 0x00FF) << 8) | 0x0c;
-     SiS_SetCH701x(SiS_Pr,tempbx);
-
-     temp = CHTVRegData[resindex].Reg[12];
-     tempbx=((temp & 0x00FF) << 8) | 0x0d;
-     SiS_SetCH701x(SiS_Pr,tempbx);
-
-     temp = CHTVRegData[resindex].Reg[13];
-     tempbx=((temp & 0x00FF) << 8) | 0x0e;
-     SiS_SetCH701x(SiS_Pr,tempbx);
-
-     temp = CHTVRegData[resindex].Reg[14];
-     tempbx=((temp & 0x00FF) << 8) | 0x0f;
-     SiS_SetCH701x(SiS_Pr,tempbx);
-
-     temp = CHTVRegData[resindex].Reg[15];
-     tempbx=((temp & 0x00FF) << 8) | 0x10;
-     SiS_SetCH701x(SiS_Pr,tempbx);
-
-     temp = SiS_GetCH701x(SiS_Pr,0x21) & ~0x02;
-     /* D1 should be set for PAL, PAL-N and NTSC-J,
-        but I won't do that for PAL unless somebody
-        tells me to do so. Since the BIOS uses
-        non-default CIV values and blacklevels,
-        this might be compensated anyway.
-      */
-     if(SiS_Pr->SiS_TVMode & (TVSetPALN | TVSetNTSCJ)) temp |= 0x02;
-     SiS_SetCH701x(SiS_Pr,((temp << 8) | 0x21));
+      unsigned short temp;
+
+      /* We don't support modes >1024x768 */
+      if (resindex > 6) return;
+
+      temp = CHTVRegData[resindex].Reg[0];
+      if(SiS_Pr->SiS_TVMode & TVSetNTSCJ) temp |= 0x10;
+      SiS_SetCH701x(SiS_Pr,0x00,temp);
+
+      SiS_SetCH701x(SiS_Pr,0x01,CHTVRegData[resindex].Reg[1]);
+      SiS_SetCH701x(SiS_Pr,0x02,CHTVRegData[resindex].Reg[2]);
+      SiS_SetCH701x(SiS_Pr,0x04,CHTVRegData[resindex].Reg[3]);
+      SiS_SetCH701x(SiS_Pr,0x03,CHTVRegData[resindex].Reg[4]);
+      SiS_SetCH701x(SiS_Pr,0x05,CHTVRegData[resindex].Reg[5]);
+      SiS_SetCH701x(SiS_Pr,0x06,CHTVRegData[resindex].Reg[6]);
+
+      temp = CHTVRegData[resindex].Reg[7];
+      if(SiS_Pr->SiS_TVMode & TVSetNTSCJ) temp = 0x66;
+      SiS_SetCH701x(SiS_Pr,0x07,temp);
+
+      SiS_SetCH701x(SiS_Pr,0x08,CHTVRegData[resindex].Reg[8]);
+      SiS_SetCH701x(SiS_Pr,0x15,CHTVRegData[resindex].Reg[9]);
+      SiS_SetCH701x(SiS_Pr,0x1f,CHTVRegData[resindex].Reg[10]);
+      SiS_SetCH701x(SiS_Pr,0x0c,CHTVRegData[resindex].Reg[11]);
+      SiS_SetCH701x(SiS_Pr,0x0d,CHTVRegData[resindex].Reg[12]);
+      SiS_SetCH701x(SiS_Pr,0x0e,CHTVRegData[resindex].Reg[13]);
+      SiS_SetCH701x(SiS_Pr,0x0f,CHTVRegData[resindex].Reg[14]);
+      SiS_SetCH701x(SiS_Pr,0x10,CHTVRegData[resindex].Reg[15]);
+
+      temp = SiS_GetCH701x(SiS_Pr,0x21) & ~0x02;
+      /* D1 should be set for PAL, PAL-N and NTSC-J,
+         but I won't do that for PAL unless somebody
+         tells me to do so. Since the BIOS uses
+         non-default CIV values and blacklevels,
+         this might be compensated anyway.
+       */
+      if(SiS_Pr->SiS_TVMode & (TVSetPALN | TVSetNTSCJ)) temp |= 0x02;
+      SiS_SetCH701x(SiS_Pr,0x21,temp);
 
 #endif  /* 315 */
 
-  }
+   }
 
 #ifdef SIS_CP
-  SIS_CP_INIT301_CP3
+   SIS_CP_INIT301_CP3
 #endif
 
 }
 
+#ifdef SIS315H  /* ----------- 315 series only ---------- */
+
 void
-SiS_Chrontel701xBLOn(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_Chrontel701xBLOn(struct SiS_Private *SiS_Pr)
 {
-  USHORT temp;
+   unsigned short temp;
 
-  /* Enable Chrontel 7019 LCD panel backlight */
-  if(SiS_Pr->SiS_IF_DEF_CH70xx == 2) {
-     if(HwInfo->jChipType == SIS_740) {
-        SiS_SetCH701x(SiS_Pr,0x6566);
-     } else {
-        temp = SiS_GetCH701x(SiS_Pr,0x66);
-        temp |= 0x20;
-        SiS_SetCH701x(SiS_Pr,(temp << 8) | 0x66);
-     }
-  }
+   /* Enable Chrontel 7019 LCD panel backlight */
+   if(SiS_Pr->SiS_IF_DEF_CH70xx == 2) {
+      if(SiS_Pr->ChipType == SIS_740) {
+         SiS_SetCH701x(SiS_Pr,0x66,0x65);
+      } else {
+         temp = SiS_GetCH701x(SiS_Pr,0x66);
+         temp |= 0x20;
+         SiS_SetCH701x(SiS_Pr,0x66,temp);
+      }
+   }
 }
 
 void
-SiS_Chrontel701xBLOff(SiS_Private *SiS_Pr)
+SiS_Chrontel701xBLOff(struct SiS_Private *SiS_Pr)
 {
-  USHORT temp;
+   unsigned short temp;
 
-  /* Disable Chrontel 7019 LCD panel backlight */
-  if(SiS_Pr->SiS_IF_DEF_CH70xx == 2) {
-     temp = SiS_GetCH701x(SiS_Pr,0x66);
-     temp &= 0xDF;
-     SiS_SetCH701x(SiS_Pr,(temp << 8) | 0x66);
-  }
+   /* Disable Chrontel 7019 LCD panel backlight */
+   if(SiS_Pr->SiS_IF_DEF_CH70xx == 2) {
+      temp = SiS_GetCH701x(SiS_Pr,0x66);
+      temp &= 0xDF;
+      SiS_SetCH701x(SiS_Pr,0x66,temp);
+   }
 }
 
-#ifdef SIS315H  /* ----------- 315 series only ---------- */
-
 static void
-SiS_ChrontelPowerSequencing(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
-{
-  UCHAR regtable[]      = { 0x67, 0x68, 0x69, 0x6a, 0x6b };
-  UCHAR table1024_740[] = { 0x01, 0x02, 0x01, 0x01, 0x01 };
-  UCHAR table1400_740[] = { 0x01, 0x6e, 0x01, 0x01, 0x01 };
-  UCHAR asus1024_740[]  = { 0x19, 0x6e, 0x01, 0x19, 0x09 };
-  UCHAR asus1400_740[]  = { 0x19, 0x6e, 0x01, 0x19, 0x09 };
-  UCHAR table1024_650[] = { 0x01, 0x02, 0x01, 0x01, 0x02 };
-  UCHAR table1400_650[] = { 0x01, 0x02, 0x01, 0x01, 0x02 };
-  UCHAR *tableptr = NULL;
+SiS_ChrontelPowerSequencing(struct SiS_Private *SiS_Pr)
+{
+  static const unsigned char regtable[]      = { 0x67, 0x68, 0x69, 0x6a, 0x6b };
+  static const unsigned char table1024_740[] = { 0x01, 0x02, 0x01, 0x01, 0x01 };
+  static const unsigned char table1400_740[] = { 0x01, 0x6e, 0x01, 0x01, 0x01 };
+  static const unsigned char asus1024_740[]  = { 0x19, 0x6e, 0x01, 0x19, 0x09 };
+  static const unsigned char asus1400_740[]  = { 0x19, 0x6e, 0x01, 0x19, 0x09 };
+  static const unsigned char table1024_650[] = { 0x01, 0x02, 0x01, 0x01, 0x02 };
+  static const unsigned char table1400_650[] = { 0x01, 0x02, 0x01, 0x01, 0x02 };
+  const unsigned char *tableptr = NULL;
   int i;
 
   /* Set up Power up/down timing */
 
-  if(HwInfo->jChipType == SIS_740) {
+  if(SiS_Pr->ChipType == SIS_740) {
      if(SiS_Pr->SiS_LCDResInfo == Panel_1024x768) {
-        if(SiS_Pr->SiS_CustomT == CUT_ASUSL3000D) tableptr = asus1024_740;
-        else                                      tableptr = table1024_740;
+        if(SiS_Pr->SiS_CustomT == CUT_ASUSL3000D) tableptr = asus1024_740;
+        else                                      tableptr = table1024_740;
      } else if((SiS_Pr->SiS_LCDResInfo == Panel_1280x1024) ||
-               (SiS_Pr->SiS_LCDResInfo == Panel_1400x1050) ||
+               (SiS_Pr->SiS_LCDResInfo == Panel_1400x1050) ||
                (SiS_Pr->SiS_LCDResInfo == Panel_1600x1200)) {
         if(SiS_Pr->SiS_CustomT == CUT_ASUSL3000D) tableptr = asus1400_740;
         else                                      tableptr = table1400_740;
      } else return;
   } else {
      if(SiS_Pr->SiS_LCDResInfo == Panel_1024x768) {
-        tableptr = table1024_650;
+        tableptr = table1024_650;
      } else if((SiS_Pr->SiS_LCDResInfo == Panel_1280x1024) ||
-               (SiS_Pr->SiS_LCDResInfo == Panel_1400x1050) ||
+               (SiS_Pr->SiS_LCDResInfo == Panel_1400x1050) ||
                (SiS_Pr->SiS_LCDResInfo == Panel_1600x1200)) {
-        tableptr = table1400_650;
+        tableptr = table1400_650;
      } else return;
   }
 
   for(i=0; i<5; i++) {
-     SiS_SetCH701x(SiS_Pr,(tableptr[i] << 8) | regtable[i]);
+     SiS_SetCH701x(SiS_Pr, regtable[i], tableptr[i]);
   }
 }
 
 static void
-SiS_SetCH701xForLCD(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
-{
-  UCHAR regtable[]      = { 0x1c, 0x5f, 0x64, 0x6f, 0x70, 0x71,
-                            0x72, 0x73, 0x74, 0x76, 0x78, 0x7d, 0x66 };
-  UCHAR table1024_740[] = { 0x60, 0x02, 0x00, 0x07, 0x40, 0xed,
-                            0xa3, 0xc8, 0xc7, 0xac, 0xe0, 0x02, 0x44 };
-  UCHAR table1280_740[] = { 0x60, 0x03, 0x11, 0x00, 0x40, 0xe3,
-                            0xad, 0xdb, 0xf6, 0xac, 0xe0, 0x02, 0x44 };
-  UCHAR table1400_740[] = { 0x60, 0x03, 0x11, 0x00, 0x40, 0xe3,
-                            0xad, 0xdb, 0xf6, 0xac, 0xe0, 0x02, 0x44 };
-  UCHAR table1600_740[] = { 0x60, 0x04, 0x11, 0x00, 0x40, 0xe3,
-                            0xad, 0xde, 0xf6, 0xac, 0x60, 0x1a, 0x44 };
-  UCHAR table1024_650[] = { 0x60, 0x02, 0x00, 0x07, 0x40, 0xed,
-                            0xa3, 0xc8, 0xc7, 0xac, 0x60, 0x02 };
-  UCHAR table1280_650[] = { 0x60, 0x03, 0x11, 0x00, 0x40, 0xe3,
-                            0xad, 0xdb, 0xf6, 0xac, 0xe0, 0x02 };
-  UCHAR table1400_650[] = { 0x60, 0x03, 0x11, 0x00, 0x40, 0xef,
-                            0xad, 0xdb, 0xf6, 0xac, 0x60, 0x02 };
-  UCHAR table1600_650[] = { 0x60, 0x04, 0x11, 0x00, 0x40, 0xe3,
-                            0xad, 0xde, 0xf6, 0xac, 0x60, 0x1a };
-  UCHAR *tableptr = NULL;
-  USHORT tempbh;
+SiS_SetCH701xForLCD(struct SiS_Private *SiS_Pr)
+{
+  const unsigned char *tableptr = NULL;
+  unsigned short tempbh;
   int i;
+  static const unsigned char regtable[] = {
+                0x1c, 0x5f, 0x64, 0x6f, 0x70, 0x71,
+                0x72, 0x73, 0x74, 0x76, 0x78, 0x7d, 0x66
+  };
+  static const unsigned char table1024_740[] = {
+                0x60, 0x02, 0x00, 0x07, 0x40, 0xed,
+                0xa3, 0xc8, 0xc7, 0xac, 0xe0, 0x02, 0x44
+  };
+  static const unsigned char table1280_740[] = {
+                0x60, 0x03, 0x11, 0x00, 0x40, 0xe3,
+                0xad, 0xdb, 0xf6, 0xac, 0xe0, 0x02, 0x44
+  };
+  static const unsigned char table1400_740[] = {
+                0x60, 0x03, 0x11, 0x00, 0x40, 0xe3,
+                0xad, 0xdb, 0xf6, 0xac, 0xe0, 0x02, 0x44
+  };
+  static const unsigned char table1600_740[] = {
+                0x60, 0x04, 0x11, 0x00, 0x40, 0xe3,
+                0xad, 0xde, 0xf6, 0xac, 0x60, 0x1a, 0x44
+  };
+  static const unsigned char table1024_650[] = {
+                0x60, 0x02, 0x00, 0x07, 0x40, 0xed,
+                0xa3, 0xc8, 0xc7, 0xac, 0x60, 0x02
+  };
+  static const unsigned char table1280_650[] = {
+                0x60, 0x03, 0x11, 0x00, 0x40, 0xe3,
+                0xad, 0xdb, 0xf6, 0xac, 0xe0, 0x02
+  };
+  static const unsigned char table1400_650[] = {
+                0x60, 0x03, 0x11, 0x00, 0x40, 0xef,
+                0xad, 0xdb, 0xf6, 0xac, 0x60, 0x02
+  };
+  static const unsigned char table1600_650[] = {
+                0x60, 0x04, 0x11, 0x00, 0x40, 0xe3,
+                0xad, 0xde, 0xf6, 0xac, 0x60, 0x1a
+  };
 
-  if(HwInfo->jChipType == SIS_740) {
+  if(SiS_Pr->ChipType == SIS_740) {
      if(SiS_Pr->SiS_LCDResInfo == Panel_1024x768)       tableptr = table1024_740;
      else if(SiS_Pr->SiS_LCDResInfo == Panel_1280x1024) tableptr = table1280_740;
      else if(SiS_Pr->SiS_LCDResInfo == Panel_1400x1050) tableptr = table1400_740;
@@ -8499,138 +8320,139 @@ SiS_SetCH701xForLCD(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
      }
   }
 
-  if(HwInfo->jChipType == SIS_740) tempbh = 0x0d;
-  else                             tempbh = 0x0c;
+  if(SiS_Pr->ChipType == SIS_740) tempbh = 0x0d;
+  else                            tempbh = 0x0c;
 
   for(i = 0; i < tempbh; i++) {
-     SiS_SetCH701x(SiS_Pr,(tableptr[i] << 8) | regtable[i]);
+     SiS_SetCH701x(SiS_Pr, regtable[i], tableptr[i]);
   }
-  SiS_ChrontelPowerSequencing(SiS_Pr,HwInfo);
+  SiS_ChrontelPowerSequencing(SiS_Pr);
   tempbh = SiS_GetCH701x(SiS_Pr,0x1e);
   tempbh |= 0xc0;
-  SiS_SetCH701x(SiS_Pr,(tempbh << 8) | 0x1e);
+  SiS_SetCH701x(SiS_Pr,0x1e,tempbh);
 
-  if(HwInfo->jChipType == SIS_740) {
+  if(SiS_Pr->ChipType == SIS_740) {
      tempbh = SiS_GetCH701x(SiS_Pr,0x1c);
      tempbh &= 0xfb;
-     SiS_SetCH701x(SiS_Pr,(tempbh << 8) | 0x1c);
+     SiS_SetCH701x(SiS_Pr,0x1c,tempbh);
      SiS_SetReg(SiS_Pr->SiS_Part1Port,0x2d,0x03);
      tempbh = SiS_GetCH701x(SiS_Pr,0x64);
      tempbh |= 0x40;
-     SiS_SetCH701x(SiS_Pr,(tempbh << 8) | 0x64);
+     SiS_SetCH701x(SiS_Pr,0x64,tempbh);
      tempbh = SiS_GetCH701x(SiS_Pr,0x03);
      tempbh &= 0x3f;
-     SiS_SetCH701x(SiS_Pr,(tempbh << 8) | 0x03);
+     SiS_SetCH701x(SiS_Pr,0x03,tempbh);
   }
 }
 
 static void
-SiS_ChrontelResetVSync(SiS_Private *SiS_Pr)
+SiS_ChrontelResetVSync(struct SiS_Private *SiS_Pr)
 {
   unsigned char temp, temp1;
 
   temp1 = SiS_GetCH701x(SiS_Pr,0x49);
-  SiS_SetCH701x(SiS_Pr,0x3e49);
+  SiS_SetCH701x(SiS_Pr,0x49,0x3e);
   temp = SiS_GetCH701x(SiS_Pr,0x47);
   temp &= 0x7f; /* Use external VSYNC */
-  SiS_SetCH701x(SiS_Pr,(temp << 8) | 0x47);
-  SiS_LongDelay(SiS_Pr,3);
+  SiS_SetCH701x(SiS_Pr,0x47,temp);
+  SiS_LongDelay(SiS_Pr, 3);
   temp = SiS_GetCH701x(SiS_Pr,0x47);
   temp |= 0x80; /* Use internal VSYNC */
-  SiS_SetCH701x(SiS_Pr,(temp << 8) | 0x47);
-  SiS_SetCH701x(SiS_Pr,(temp1 << 8) | 0x49);
+  SiS_SetCH701x(SiS_Pr,0x47,temp);
+  SiS_SetCH701x(SiS_Pr,0x49,temp1);
 }
 
 static void
-SiS_Chrontel701xOn(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_Chrontel701xOn(struct SiS_Private *SiS_Pr)
 {
-  USHORT temp;
+  unsigned short temp;
 
   if(SiS_Pr->SiS_IF_DEF_CH70xx == 2) {
-     if(HwInfo->jChipType == SIS_740) {
+     if(SiS_Pr->ChipType == SIS_740) {
         temp = SiS_GetCH701x(SiS_Pr,0x1c);
         temp |= 0x04;   /* Invert XCLK phase */
-        SiS_SetCH701x(SiS_Pr,(temp << 8) | 0x1c);
+        SiS_SetCH701x(SiS_Pr,0x1c,temp);
      }
-     if(SiS_IsYPbPr(SiS_Pr, HwInfo)) {
+     if(SiS_IsYPbPr(SiS_Pr)) {
         temp = SiS_GetCH701x(SiS_Pr,0x01);
         temp &= 0x3f;
         temp |= 0x80;   /* Enable YPrPb (HDTV) */
-        SiS_SetCH701x(SiS_Pr,(temp << 8) | 0x01);
+        SiS_SetCH701x(SiS_Pr,0x01,temp);
      }
-     if(SiS_IsChScart(SiS_Pr, HwInfo)) {
+     if(SiS_IsChScart(SiS_Pr)) {
         temp = SiS_GetCH701x(SiS_Pr,0x01);
         temp &= 0x3f;
         temp |= 0xc0;   /* Enable SCART + CVBS */
-        SiS_SetCH701x(SiS_Pr,(temp << 8) | 0x01);
+        SiS_SetCH701x(SiS_Pr,0x01,temp);
      }
-     if(HwInfo->jChipType == SIS_740) {
+     if(SiS_Pr->ChipType == SIS_740) {
         SiS_ChrontelResetVSync(SiS_Pr);
-        SiS_SetCH701x(SiS_Pr,0x2049);   /* Enable TV path */
+        SiS_SetCH701x(SiS_Pr,0x49,0x20);   /* Enable TV path */
      } else {
-        SiS_SetCH701x(SiS_Pr,0x2049);   /* Enable TV path */
+        SiS_SetCH701x(SiS_Pr,0x49,0x20);   /* Enable TV path */
         temp = SiS_GetCH701x(SiS_Pr,0x49);
-        if(SiS_IsYPbPr(SiS_Pr,HwInfo)) {
+        if(SiS_IsYPbPr(SiS_Pr)) {
            temp = SiS_GetCH701x(SiS_Pr,0x73);
            temp |= 0x60;
-           SiS_SetCH701x(SiS_Pr,(temp << 8) | 0x73);
+           SiS_SetCH701x(SiS_Pr,0x73,temp);
         }
         temp = SiS_GetCH701x(SiS_Pr,0x47);
         temp &= 0x7f;
-        SiS_SetCH701x(SiS_Pr,(temp << 8) | 0x47);
-        SiS_LongDelay(SiS_Pr,2);
+        SiS_SetCH701x(SiS_Pr,0x47,temp);
+        SiS_LongDelay(SiS_Pr, 2);
         temp = SiS_GetCH701x(SiS_Pr,0x47);
         temp |= 0x80;
-        SiS_SetCH701x(SiS_Pr,(temp << 8) | 0x47);
+        SiS_SetCH701x(SiS_Pr,0x47,temp);
      }
   }
 }
 
 static void
-SiS_Chrontel701xOff(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_Chrontel701xOff(struct SiS_Private *SiS_Pr)
 {
-  USHORT temp;
+  unsigned short temp;
 
   /* Complete power down of LVDS */
   if(SiS_Pr->SiS_IF_DEF_CH70xx == 2) {
-     if(HwInfo->jChipType == SIS_740) {
-        SiS_LongDelay(SiS_Pr,1);
-        SiS_GenericDelay(SiS_Pr,0x16ff);
-        SiS_SetCH701x(SiS_Pr,0xac76);
-        SiS_SetCH701x(SiS_Pr,0x0066);
+     if(SiS_Pr->ChipType == SIS_740) {
+        SiS_LongDelay(SiS_Pr, 1);
+        SiS_GenericDelay(SiS_Pr, 5887);
+        SiS_SetCH701x(SiS_Pr,0x76,0xac);
+        SiS_SetCH701x(SiS_Pr,0x66,0x00);
      } else {
-        SiS_LongDelay(SiS_Pr,2);
+        SiS_LongDelay(SiS_Pr, 2);
         temp = SiS_GetCH701x(SiS_Pr,0x76);
         temp &= 0xfc;
-        SiS_SetCH701x(SiS_Pr,(temp << 8) | 0x76);
-        SiS_SetCH701x(SiS_Pr,0x0066);
+        SiS_SetCH701x(SiS_Pr,0x76,temp);
+        SiS_SetCH701x(SiS_Pr,0x66,0x00);
      }
   }
 }
 
 static void
-SiS_ChrontelResetDB(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_ChrontelResetDB(struct SiS_Private *SiS_Pr)
 {
-     USHORT temp;
+     unsigned short temp;
 
-     if(HwInfo->jChipType == SIS_740) {
+     if(SiS_Pr->ChipType == SIS_740) {
 
         temp = SiS_GetCH701x(SiS_Pr,0x4a);  /* Version ID */
         temp &= 0x01;
         if(!temp) {
 
-           if(SiS_WeHaveBacklightCtrl(SiS_Pr,HwInfo)) {
+           if(SiS_WeHaveBacklightCtrl(SiS_Pr)) {
               temp = SiS_GetCH701x(SiS_Pr,0x49);
-              SiS_SetCH701x(SiS_Pr,0x3e49);
+              SiS_SetCH701x(SiS_Pr,0x49,0x3e);
            }
+
            /* Reset Chrontel 7019 datapath */
-           SiS_SetCH701x(SiS_Pr,0x1048);
-           SiS_LongDelay(SiS_Pr,1);
-           SiS_SetCH701x(SiS_Pr,0x1848);
+           SiS_SetCH701x(SiS_Pr,0x48,0x10);
+           SiS_LongDelay(SiS_Pr, 1);
+           SiS_SetCH701x(SiS_Pr,0x48,0x18);
 
-           if(SiS_WeHaveBacklightCtrl(SiS_Pr, HwInfo)) {
+           if(SiS_WeHaveBacklightCtrl(SiS_Pr)) {
               SiS_ChrontelResetVSync(SiS_Pr);
-              SiS_SetCH701x(SiS_Pr,(temp << 8) | 0x49);
+              SiS_SetCH701x(SiS_Pr,0x49,temp);
            }
 
         } else {
@@ -8638,72 +8460,72 @@ SiS_ChrontelResetDB(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
            /* Clear/set/clear GPIO */
            temp = SiS_GetCH701x(SiS_Pr,0x5c);
            temp &= 0xef;
-           SiS_SetCH701x(SiS_Pr,(temp << 8) | 0x5c);
+           SiS_SetCH701x(SiS_Pr,0x5c,temp);
            temp = SiS_GetCH701x(SiS_Pr,0x5c);
            temp |= 0x10;
-           SiS_SetCH701x(SiS_Pr,(temp << 8) | 0x5c);
+           SiS_SetCH701x(SiS_Pr,0x5c,temp);
            temp = SiS_GetCH701x(SiS_Pr,0x5c);
            temp &= 0xef;
-           SiS_SetCH701x(SiS_Pr,(temp << 8) | 0x5c);
+           SiS_SetCH701x(SiS_Pr,0x5c,temp);
            temp = SiS_GetCH701x(SiS_Pr,0x61);
            if(!temp) {
-              SiS_SetCH701xForLCD(SiS_Pr, HwInfo);
+              SiS_SetCH701xForLCD(SiS_Pr);
            }
         }
 
      } else { /* 650 */
         /* Reset Chrontel 7019 datapath */
-        SiS_SetCH701x(SiS_Pr,0x1048);
-        SiS_LongDelay(SiS_Pr,1);
-        SiS_SetCH701x(SiS_Pr,0x1848);
+        SiS_SetCH701x(SiS_Pr,0x48,0x10);
+        SiS_LongDelay(SiS_Pr, 1);
+        SiS_SetCH701x(SiS_Pr,0x48,0x18);
      }
 }
 
 static void
-SiS_ChrontelInitTVVSync(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_ChrontelInitTVVSync(struct SiS_Private *SiS_Pr)
 {
-     USHORT temp;
+     unsigned short temp;
 
-     if(HwInfo->jChipType == SIS_740) {
+     if(SiS_Pr->ChipType == SIS_740) {
 
-        if(SiS_WeHaveBacklightCtrl(SiS_Pr,HwInfo)) {
+        if(SiS_WeHaveBacklightCtrl(SiS_Pr)) {
            SiS_ChrontelResetVSync(SiS_Pr);
         }
 
      } else {
 
-        SiS_SetCH701x(SiS_Pr,0xaf76);  /* Power up LVDS block */
+        SiS_SetCH701x(SiS_Pr,0x76,0xaf);  /* Power up LVDS block */
         temp = SiS_GetCH701x(SiS_Pr,0x49);
         temp &= 1;
         if(temp != 1) {  /* TV block powered? (0 = yes, 1 = no) */
            temp = SiS_GetCH701x(SiS_Pr,0x47);
            temp &= 0x70;
-           SiS_SetCH701x(SiS_Pr,(temp << 8) | 0x47);  /* enable VSYNC */
-           SiS_LongDelay(SiS_Pr,3);
+           SiS_SetCH701x(SiS_Pr,0x47,temp);  /* enable VSYNC */
+           SiS_LongDelay(SiS_Pr, 3);
            temp = SiS_GetCH701x(SiS_Pr,0x47);
            temp |= 0x80;
-           SiS_SetCH701x(SiS_Pr,(temp << 8) | 0x47);  /* disable VSYNC */
+           SiS_SetCH701x(SiS_Pr,0x47,temp);  /* disable VSYNC */
         }
 
      }
 }
 
 static void
-SiS_ChrontelDoSomething3(SiS_Private *SiS_Pr, USHORT ModeNo, PSIS_HW_INFO HwInfo)
+SiS_ChrontelDoSomething3(struct SiS_Private *SiS_Pr, unsigned short ModeNo)
 {
-     USHORT temp,temp1;
+     unsigned short temp,temp1;
 
-     if(HwInfo->jChipType == SIS_740) {
+     if(SiS_Pr->ChipType == SIS_740) {
 
         temp = SiS_GetCH701x(SiS_Pr,0x61);
         if(temp < 1) {
            temp++;
-           SiS_SetCH701x(SiS_Pr,(temp << 8) | 0x61);
+           SiS_SetCH701x(SiS_Pr,0x61,temp);
         }
-        SiS_SetCH701x(SiS_Pr,0x4566);  /* Panel power on */
-        SiS_SetCH701x(SiS_Pr,0xaf76);  /* All power on */
-        SiS_LongDelay(SiS_Pr,1);
-        SiS_GenericDelay(SiS_Pr,0x16ff);
+        SiS_SetCH701x(SiS_Pr,0x66,0x45);  /* Panel power on */
+        SiS_SetCH701x(SiS_Pr,0x76,0xaf);  /* All power on */
+        SiS_LongDelay(SiS_Pr, 1);
+        SiS_GenericDelay(SiS_Pr, 5887);
 
      } else {  /* 650 */
 
@@ -8711,38 +8533,38 @@ SiS_ChrontelDoSomething3(SiS_Private *SiS_Pr, USHORT ModeNo, PSIS_HW_INFO HwInfo
         temp = SiS_GetCH701x(SiS_Pr,0x61);
         if(temp < 2) {
            temp++;
-           SiS_SetCH701x(SiS_Pr,(temp << 8) | 0x61);
+           SiS_SetCH701x(SiS_Pr,0x61,temp);
            temp1 = 1;
         }
-        SiS_SetCH701x(SiS_Pr,0xac76);
+        SiS_SetCH701x(SiS_Pr,0x76,0xac);
         temp = SiS_GetCH701x(SiS_Pr,0x66);
         temp |= 0x5f;
-        SiS_SetCH701x(SiS_Pr,(temp << 8) | 0x66);
+        SiS_SetCH701x(SiS_Pr,0x66,temp);
         if(ModeNo > 0x13) {
-           if(SiS_WeHaveBacklightCtrl(SiS_Pr, HwInfo)) {
-              SiS_GenericDelay(SiS_Pr,0x3ff);
+           if(SiS_WeHaveBacklightCtrl(SiS_Pr)) {
+              SiS_GenericDelay(SiS_Pr, 1023);
            } else {
-              SiS_GenericDelay(SiS_Pr,0x2ff);
+              SiS_GenericDelay(SiS_Pr, 767);
            }
         } else {
            if(!temp1)
-              SiS_GenericDelay(SiS_Pr,0x2ff);
+              SiS_GenericDelay(SiS_Pr, 767);
         }
         temp = SiS_GetCH701x(SiS_Pr,0x76);
         temp |= 0x03;
-        SiS_SetCH701x(SiS_Pr,(temp << 8) | 0x76);
+        SiS_SetCH701x(SiS_Pr,0x76,temp);
         temp = SiS_GetCH701x(SiS_Pr,0x66);
         temp &= 0x7f;
-        SiS_SetCH701x(SiS_Pr,(temp << 8) | 0x66);
-        SiS_LongDelay(SiS_Pr,1);
+        SiS_SetCH701x(SiS_Pr,0x66,temp);
+        SiS_LongDelay(SiS_Pr, 1);
 
      }
 }
 
 static void
-SiS_ChrontelDoSomething2(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_ChrontelDoSomething2(struct SiS_Private *SiS_Pr)
 {
-     USHORT temp,tempcl,tempch;
+     unsigned short temp,tempcl,tempch;
 
      SiS_LongDelay(SiS_Pr, 1);
      tempcl = 3;
@@ -8753,87 +8575,87 @@ SiS_ChrontelDoSomething2(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
        temp &= 0x04;  /* PLL stable? -> bail out */
        if(temp == 0x04) break;
 
-       if(HwInfo->jChipType == SIS_740) {
+       if(SiS_Pr->ChipType == SIS_740) {
           /* Power down LVDS output, PLL normal operation */
-          SiS_SetCH701x(SiS_Pr,0xac76);
+          SiS_SetCH701x(SiS_Pr,0x76,0xac);
        }
 
-       SiS_SetCH701xForLCD(SiS_Pr,HwInfo);
+       SiS_SetCH701xForLCD(SiS_Pr);
 
        if(tempcl == 0) {
            if(tempch == 3) break;
-           SiS_ChrontelResetDB(SiS_Pr,HwInfo);
+           SiS_ChrontelResetDB(SiS_Pr);
            tempcl = 3;
            tempch++;
        }
        tempcl--;
        temp = SiS_GetCH701x(SiS_Pr,0x76);
        temp &= 0xfb;  /* Reset PLL */
-       SiS_SetCH701x(SiS_Pr,(temp << 8) | 0x76);
-       SiS_LongDelay(SiS_Pr,2);
+       SiS_SetCH701x(SiS_Pr,0x76,temp);
+       SiS_LongDelay(SiS_Pr, 2);
        temp = SiS_GetCH701x(SiS_Pr,0x76);
        temp |= 0x04;  /* PLL normal operation */
-       SiS_SetCH701x(SiS_Pr,(temp << 8) | 0x76);
-       if(HwInfo->jChipType == SIS_740) {
-          SiS_SetCH701x(SiS_Pr,0xe078); /* PLL loop filter */
+       SiS_SetCH701x(SiS_Pr,0x76,temp);
+       if(SiS_Pr->ChipType == SIS_740) {
+          SiS_SetCH701x(SiS_Pr,0x78,0xe0);      /* PLL loop filter */
        } else {
-          SiS_SetCH701x(SiS_Pr,0x6078);
+          SiS_SetCH701x(SiS_Pr,0x78,0x60);
        }
-       SiS_LongDelay(SiS_Pr,2);
+       SiS_LongDelay(SiS_Pr, 2);
     } while(0);
 
-    SiS_SetCH701x(SiS_Pr,0x0077);  /* MV? */
+    SiS_SetCH701x(SiS_Pr,0x77,0x00);  /* MV? */
 }
 
 static void
-SiS_ChrontelDoSomething1(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_ChrontelDoSomething1(struct SiS_Private *SiS_Pr)
 {
-     USHORT temp;
+     unsigned short temp;
 
      temp = SiS_GetCH701x(SiS_Pr,0x03);
      temp |= 0x80;      /* Set datapath 1 to TV   */
      temp &= 0xbf;      /* Set datapath 2 to LVDS */
-     SiS_SetCH701x(SiS_Pr,(temp << 8) | 0x03);
+     SiS_SetCH701x(SiS_Pr,0x03,temp);
 
-     if(HwInfo->jChipType == SIS_740) {
+     if(SiS_Pr->ChipType == SIS_740) {
 
         temp = SiS_GetCH701x(SiS_Pr,0x1c);
         temp &= 0xfb;   /* Normal XCLK phase */
-        SiS_SetCH701x(SiS_Pr,(temp << 8) | 0x1c);
+        SiS_SetCH701x(SiS_Pr,0x1c,temp);
 
         SiS_SetReg(SiS_Pr->SiS_Part1Port,0x2d,0x03);
 
         temp = SiS_GetCH701x(SiS_Pr,0x64);
         temp |= 0x40;   /* ? Bit not defined */
-        SiS_SetCH701x(SiS_Pr,(temp << 8) | 0x64);
+        SiS_SetCH701x(SiS_Pr,0x64,temp);
 
         temp = SiS_GetCH701x(SiS_Pr,0x03);
         temp &= 0x3f;   /* D1 input to both LVDS and TV */
-        SiS_SetCH701x(SiS_Pr,(temp << 8) | 0x03);
+        SiS_SetCH701x(SiS_Pr,0x03,temp);
 
         if(SiS_Pr->SiS_CustomT == CUT_ASUSL3000D) {
-           SiS_SetCH701x(SiS_Pr,0x4063); /* LVDS off */
+           SiS_SetCH701x(SiS_Pr,0x63,0x40); /* LVDS off */
            SiS_LongDelay(SiS_Pr, 1);
-           SiS_SetCH701x(SiS_Pr,0x0063); /* LVDS on */
-           SiS_ChrontelResetDB(SiS_Pr, HwInfo);
-           SiS_ChrontelDoSomething2(SiS_Pr, HwInfo);
-           SiS_ChrontelDoSomething3(SiS_Pr, 0, HwInfo);
+           SiS_SetCH701x(SiS_Pr,0x63,0x00); /* LVDS on */
+           SiS_ChrontelResetDB(SiS_Pr);
+           SiS_ChrontelDoSomething2(SiS_Pr);
+           SiS_ChrontelDoSomething3(SiS_Pr, 0);
         } else {
            temp = SiS_GetCH701x(SiS_Pr,0x66);
            if(temp != 0x45) {
-              SiS_ChrontelResetDB(SiS_Pr, HwInfo);
-              SiS_ChrontelDoSomething2(SiS_Pr, HwInfo);
-              SiS_ChrontelDoSomething3(SiS_Pr, 0, HwInfo);
+              SiS_ChrontelResetDB(SiS_Pr);
+              SiS_ChrontelDoSomething2(SiS_Pr);
+              SiS_ChrontelDoSomething3(SiS_Pr, 0);
            }
         }
 
      } else { /* 650 */
 
-        SiS_ChrontelResetDB(SiS_Pr,HwInfo);
-        SiS_ChrontelDoSomething2(SiS_Pr,HwInfo);
+        SiS_ChrontelResetDB(SiS_Pr);
+        SiS_ChrontelDoSomething2(SiS_Pr);
         temp = SiS_GetReg(SiS_Pr->SiS_P3d4,0x34);
-        SiS_ChrontelDoSomething3(SiS_Pr,temp,HwInfo);
-        SiS_SetCH701x(SiS_Pr,0xaf76);  /* All power on, LVDS normal operation */
+        SiS_ChrontelDoSomething3(SiS_Pr,temp);
+        SiS_SetCH701x(SiS_Pr,0x76,0xaf);  /* All power on, LVDS normal operation */
 
      }
 
@@ -8845,15 +8667,12 @@ SiS_ChrontelDoSomething1(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
 /*********************************************/
 
 BOOLEAN
-SiS_SetCRT2Group(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT ModeNo)
+SiS_SetCRT2Group(struct SiS_Private *SiS_Pr, unsigned short ModeNo)
 {
 #ifdef SIS300
-   UCHAR  *ROMAddr  = HwInfo->pjVirtualRomBase;
-#endif
-   USHORT ModeIdIndex, RefreshRateTableIndex;
-#if 0
-   USHORT temp;
+   unsigned char  *ROMAddr  = SiS_Pr->VirtualRomBase;
 #endif
+   unsigned short ModeIdIndex, RefreshRateTableIndex;
 
    SiS_Pr->SiS_SetFlag |= ProgrammingCRT2;
 
@@ -8866,37 +8685,37 @@ SiS_SetCRT2Group(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT ModeNo)
    /* Used for shifting CR33 */
    SiS_Pr->SiS_SelectCRT2Rate = 4;
 
-   SiS_UnLockCRT2(SiS_Pr, HwInfo);
+   SiS_UnLockCRT2(SiS_Pr);
 
-   RefreshRateTableIndex = SiS_GetRatePtr(SiS_Pr, ModeNo, ModeIdIndex, HwInfo);
+   RefreshRateTableIndex = SiS_GetRatePtr(SiS_Pr, ModeNo, ModeIdIndex);
 
    SiS_SaveCRT2Info(SiS_Pr,ModeNo);
 
    if(SiS_Pr->SiS_SetFlag & LowModeTests) {
-      SiS_DisableBridge(SiS_Pr,HwInfo);
-      if((SiS_Pr->SiS_IF_DEF_LVDS == 1) && (HwInfo->jChipType == SIS_730)) {
+      SiS_DisableBridge(SiS_Pr);
+      if((SiS_Pr->SiS_IF_DEF_LVDS == 1) && (SiS_Pr->ChipType == SIS_730)) {
          SiS_SetReg(SiS_Pr->SiS_Part1Port,0x00,0x80);
       }
-      SiS_SetCRT2ModeRegs(SiS_Pr, ModeNo, ModeIdIndex, HwInfo);
+      SiS_SetCRT2ModeRegs(SiS_Pr, ModeNo, ModeIdIndex);
    }
 
    if(SiS_Pr->SiS_VBInfo & DisableCRT2Display) {
-      SiS_LockCRT2(SiS_Pr, HwInfo);
+      SiS_LockCRT2(SiS_Pr);
       SiS_DisplayOn(SiS_Pr);
       return TRUE;
    }
 
-   SiS_GetCRT2Data(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex, HwInfo);
+   SiS_GetCRT2Data(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex);
 
    /* Set up Panel Link for LVDS and LCDA */
    SiS_Pr->SiS_LCDHDES = SiS_Pr->SiS_LCDVDES = 0;
    if( (SiS_Pr->SiS_IF_DEF_LVDS == 1) ||
        ((SiS_Pr->SiS_VBType & VB_NoLCD) && (SiS_Pr->SiS_VBInfo & SetCRT2ToLCD)) ||
-       ((HwInfo->jChipType >= SIS_315H) && (SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV)) ) {
-      SiS_GetLVDSDesData(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex, HwInfo);
+       ((SiS_Pr->ChipType >= SIS_315H) && (SiS_Pr->SiS_VBType & VB_SIS30xBLV)) ) {
+      SiS_GetLVDSDesData(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex);
    }
 
-#ifdef LINUX_XF86
+#ifdef SIS_XORG_XF86
 #ifdef TWDEBUG
   xf86DrvMsg(0, X_INFO, "(init301: LCDHDES 0x%03x LCDVDES 0x%03x)\n", SiS_Pr->SiS_LCDHDES, SiS_Pr->SiS_LCDVDES);
   xf86DrvMsg(0, X_INFO, "(init301: HDE     0x%03x VDE     0x%03x)\n", SiS_Pr->SiS_HDE, SiS_Pr->SiS_VDE);
@@ -8907,86 +8726,79 @@ SiS_SetCRT2Group(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT ModeNo)
 #endif
 
    if(SiS_Pr->SiS_SetFlag & LowModeTests) {
-      SiS_SetGroup1(SiS_Pr, ModeNo, ModeIdIndex, HwInfo, RefreshRateTableIndex);
+      SiS_SetGroup1(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex);
    }
 
    if(SiS_Pr->SiS_VBType & VB_SISVB) {
 
-        if(SiS_Pr->SiS_SetFlag & LowModeTests) {
+      if(SiS_Pr->SiS_SetFlag & LowModeTests) {
 
-           SiS_SetGroup2(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex, HwInfo);
+         SiS_SetGroup2(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex);
 #ifdef SIS315H
-           SiS_SetGroup2_C_ELV(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex, HwInfo);
+         SiS_SetGroup2_C_ELV(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex);
 #endif
-           SiS_SetGroup3(SiS_Pr, ModeNo, ModeIdIndex, HwInfo);
-           SiS_SetGroup4(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex, HwInfo);
+         SiS_SetGroup3(SiS_Pr, ModeNo, ModeIdIndex);
+         SiS_SetGroup4(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex);
 #ifdef SIS315H
-           SiS_SetGroup4_C_ELV(SiS_Pr, HwInfo, ModeNo, ModeIdIndex);
+         SiS_SetGroup4_C_ELV(SiS_Pr, ModeNo, ModeIdIndex);
 #endif
-           SiS_SetGroup5(SiS_Pr, ModeNo, ModeIdIndex, HwInfo);
+         SiS_SetGroup5(SiS_Pr, ModeNo, ModeIdIndex);
 
-           SiS_SetCRT2Sync(SiS_Pr, ModeNo, RefreshRateTableIndex, HwInfo);
+         SiS_SetCRT2Sync(SiS_Pr, ModeNo, RefreshRateTableIndex);
 
-           /* For 301BDH (Panel link initialization): */
-           if((SiS_Pr->SiS_VBType & VB_NoLCD) && (SiS_Pr->SiS_VBInfo & SetCRT2ToLCD)) {
-              if(SiS_Pr->SiS_LCDResInfo != Panel_640x480) {
-                 if(!((SiS_Pr->SiS_SetFlag & SetDOSMode) && ((ModeNo == 0x03) || (ModeNo == 0x10)))) {
-                    if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) {
-                       SiS_ModCRT1CRTC(SiS_Pr,ModeNo,ModeIdIndex,
-                                       RefreshRateTableIndex,HwInfo);
-                    }
-                 }
-              }
-              SiS_SetCRT2ECLK(SiS_Pr,ModeNo,ModeIdIndex,
-                              RefreshRateTableIndex,HwInfo);
-           }
-        }
+         /* For 301BDH (Panel link initialization): */
+         if((SiS_Pr->SiS_VBType & VB_NoLCD) && (SiS_Pr->SiS_VBInfo & SetCRT2ToLCD)) {
+
+            if(!((SiS_Pr->SiS_SetFlag & SetDOSMode) && ((ModeNo == 0x03) || (ModeNo == 0x10)))) {
+               if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) {
+                  SiS_ModCRT1CRTC(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex);
+               }
+            }
+            SiS_SetCRT2ECLK(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex);
+         }
+      }
 
    } else {
 
-        SiS_SetCRT2Sync(SiS_Pr, ModeNo, RefreshRateTableIndex, HwInfo);
+      SiS_SetCRT2Sync(SiS_Pr, ModeNo, RefreshRateTableIndex);
 
-        if(!(SiS_Pr->SiS_LCDInfo & LCDPass11)) {
-           SiS_ModCRT1CRTC(SiS_Pr,ModeNo,ModeIdIndex,RefreshRateTableIndex,HwInfo);
-        }
+      SiS_ModCRT1CRTC(SiS_Pr,ModeNo,ModeIdIndex,RefreshRateTableIndex);
 
-        SiS_SetCRT2ECLK(SiS_Pr,ModeNo,ModeIdIndex,RefreshRateTableIndex,HwInfo);
+      SiS_SetCRT2ECLK(SiS_Pr,ModeNo,ModeIdIndex,RefreshRateTableIndex);
 
-        if(SiS_Pr->SiS_SetFlag & LowModeTests) {
-           if(SiS_Pr->SiS_IF_DEF_CH70xx != 0) {
-              if(SiS_Pr->SiS_VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) {
-                 if(SiS_Pr->SiS_IF_DEF_CH70xx == 2) {
+      if(SiS_Pr->SiS_SetFlag & LowModeTests) {
+         if(SiS_Pr->SiS_IF_DEF_CH70xx != 0) {
+            if(SiS_Pr->SiS_VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) {
+               if(SiS_Pr->SiS_IF_DEF_CH70xx == 2) {
 #ifdef SIS315H
-                    SiS_SetCH701xForLCD(SiS_Pr,HwInfo);
+                  SiS_SetCH701xForLCD(SiS_Pr);
 #endif
-                 }
-              }
-              if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
-                 SiS_SetCHTVReg(SiS_Pr,ModeNo,ModeIdIndex,RefreshRateTableIndex);
-              }
-           }
-        }
+               }
+            }
+            if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
+               SiS_SetCHTVReg(SiS_Pr,ModeNo,ModeIdIndex,RefreshRateTableIndex);
+            }
+         }
+      }
 
    }
 
 #ifdef SIS300
-   if(HwInfo->jChipType < SIS_315H) {
+   if(SiS_Pr->ChipType < SIS_315H) {
       if(SiS_Pr->SiS_SetFlag & LowModeTests) {
          if(SiS_Pr->SiS_UseOEM) {
             if((SiS_Pr->SiS_UseROM) && (SiS_Pr->SiS_UseOEM == -1)) {
                if((ROMAddr[0x233] == 0x12) && (ROMAddr[0x234] == 0x34)) {
-                  SiS_OEM300Setting(SiS_Pr,HwInfo,ModeNo,ModeIdIndex,
-                                    RefreshRateTableIndex);
+                  SiS_OEM300Setting(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex);
                }
             } else {
-               SiS_OEM300Setting(SiS_Pr,HwInfo,ModeNo,ModeIdIndex,
-                                 RefreshRateTableIndex);
+               SiS_OEM300Setting(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex);
             }
          }
          if(SiS_Pr->SiS_IF_DEF_LVDS == 1) {
-            if((SiS_Pr->SiS_CustomT == CUT_BARCO1366) ||
+            if((SiS_Pr->SiS_CustomT == CUT_BARCO1366) ||
                (SiS_Pr->SiS_CustomT == CUT_BARCO1024)) {
-               SetOEMLCDData2(SiS_Pr, HwInfo, ModeNo, ModeIdIndex,RefreshRateTableIndex);
+               SetOEMLCDData2(SiS_Pr, ModeNo, ModeIdIndex,RefreshRateTableIndex);
             }
             SiS_DisplayOn(SiS_Pr);
          }
@@ -8995,21 +8807,21 @@ SiS_SetCRT2Group(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT ModeNo)
 #endif
 
 #ifdef SIS315H
-   if(HwInfo->jChipType >= SIS_315H) {
+   if(SiS_Pr->ChipType >= SIS_315H) {
       if(SiS_Pr->SiS_SetFlag & LowModeTests) {
-         if(HwInfo->jChipType < SIS_661) {
-            SiS_FinalizeLCD(SiS_Pr, ModeNo, ModeIdIndex, HwInfo);
-            SiS_OEM310Setting(SiS_Pr, HwInfo, ModeNo, ModeIdIndex, RefreshRateTableIndex);
+         if(SiS_Pr->ChipType < SIS_661) {
+            SiS_FinalizeLCD(SiS_Pr, ModeNo, ModeIdIndex);
+            SiS_OEM310Setting(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex);
          } else {
-            SiS_OEM661Setting(SiS_Pr, HwInfo, ModeNo, ModeIdIndex, RefreshRateTableIndex);
+            SiS_OEM661Setting(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex);
          }
-         SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x01,0x40);
+         SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x01,0x40);
       }
    }
 #endif
 
    if(SiS_Pr->SiS_SetFlag & LowModeTests) {
-      SiS_EnableBridge(SiS_Pr, HwInfo);
+      SiS_EnableBridge(SiS_Pr);
    }
 
    SiS_DisplayOn(SiS_Pr);
@@ -9017,15 +8829,15 @@ SiS_SetCRT2Group(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT ModeNo)
    if(SiS_Pr->SiS_IF_DEF_CH70xx == 1) {
       if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
          /* Disable LCD panel when using TV */
-         SiS_SetRegSR11ANDOR(SiS_Pr,HwInfo,0xFF,0x0C);
+         SiS_SetRegSR11ANDOR(SiS_Pr,0xFF,0x0C);
       } else {
          /* Disable TV when using LCD */
-         SiS_SetCH70xxANDOR(SiS_Pr,0x010E,0xF8);
+         SiS_SetCH70xxANDOR(SiS_Pr,0x0e,0x01,0xf8);
       }
    }
 
    if(SiS_Pr->SiS_SetFlag & LowModeTests) {
-      SiS_LockCRT2(SiS_Pr,HwInfo);
+      SiS_LockCRT2(SiS_Pr);
    }
 
    return TRUE;
@@ -9037,13 +8849,13 @@ SiS_SetCRT2Group(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT ModeNo)
 /*********************************************/
 
 void
-SiS_SiS30xBLOn(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_SiS30xBLOn(struct SiS_Private *SiS_Pr)
 {
   /* Switch on LCD backlight on SiS30xLV */
   SiS_DDC2Delay(SiS_Pr,0xff00);
   if(!(SiS_GetReg(SiS_Pr->SiS_Part4Port,0x26) & 0x02)) {
      SiS_SetRegOR(SiS_Pr->SiS_Part4Port,0x26,0x02);
-     SiS_WaitVBRetrace(SiS_Pr,HwInfo);
+     SiS_WaitVBRetrace(SiS_Pr);
   }
   if(!(SiS_GetReg(SiS_Pr->SiS_Part4Port,0x26) & 0x01)) {
      SiS_SetRegOR(SiS_Pr->SiS_Part4Port,0x26,0x01);
@@ -9051,12 +8863,11 @@ SiS_SiS30xBLOn(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
 }
 
 void
-SiS_SiS30xBLOff(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SiS_SiS30xBLOff(struct SiS_Private *SiS_Pr)
 {
   /* Switch off LCD backlight on SiS30xLV */
   SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x26,0xFE);
-  SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x26,0xFD);
-  SiS_DDC2Delay(SiS_Pr,0xe000);
+  SiS_DDC2Delay(SiS_Pr,0xff00);
 }
 
 /*********************************************/
@@ -9064,7 +8875,7 @@ SiS_SiS30xBLOff(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
 /*********************************************/
 
 static void
-SiS_SetupDDCN(SiS_Private *SiS_Pr)
+SiS_SetupDDCN(struct SiS_Private *SiS_Pr)
 {
   SiS_Pr->SiS_DDC_NData = ~SiS_Pr->SiS_DDC_Data;
   SiS_Pr->SiS_DDC_NClk  = ~SiS_Pr->SiS_DDC_Clk;
@@ -9075,12 +8886,12 @@ SiS_SetupDDCN(SiS_Private *SiS_Pr)
 }
 
 #ifdef SIS300
-static UCHAR *
-SiS_SetTrumpBlockLoop(SiS_Private *SiS_Pr, UCHAR *dataptr)
+static unsigned char *
+SiS_SetTrumpBlockLoop(struct SiS_Private *SiS_Pr, unsigned char *dataptr)
 {
   int i, j, num;
-  USHORT tempah,temp;
-  UCHAR *mydataptr;
+  unsigned short tempah,temp;
+  unsigned char *mydataptr;
 
   for(i=0; i<20; i++) {                         /* Do 20 attempts to write */
      mydataptr = dataptr;
@@ -9088,7 +8899,7 @@ SiS_SetTrumpBlockLoop(SiS_Private *SiS_Pr, UCHAR *dataptr)
      if(!num) return mydataptr;
      if(i) {
         SiS_SetStop(SiS_Pr);
-        SiS_DDC2Delay(SiS_Pr,SiS_I2CDELAYSHORT*2);
+        SiS_DDC2Delay(SiS_Pr,SiS_I2CDELAYSHORT * 2);
      }
      if(SiS_SetStart(SiS_Pr)) continue;         /* Set start condition */
      tempah = SiS_Pr->SiS_DDC_DeviceAddr;
@@ -9110,12 +8921,12 @@ SiS_SetTrumpBlockLoop(SiS_Private *SiS_Pr, UCHAR *dataptr)
 }
 
 static BOOLEAN
-SiS_SetTrumpionBlock(SiS_Private *SiS_Pr, UCHAR *dataptr)
+SiS_SetTrumpionBlock(struct SiS_Private *SiS_Pr, unsigned char *dataptr)
 {
   SiS_Pr->SiS_DDC_DeviceAddr = 0xF0;            /* DAB (Device Address Byte) */
   SiS_Pr->SiS_DDC_Index = 0x11;                 /* Bit 0 = SC;  Bit 1 = SD */
-  SiS_Pr->SiS_DDC_Data  = 0x02;                 /* Bitmask in IndexReg for Data */
-  SiS_Pr->SiS_DDC_Clk   = 0x01;                 /* Bitmask in IndexReg for Clk */
+  SiS_Pr->SiS_DDC_Data  = 0x02;                 /* Bitmask in IndexReg for Data */
+  SiS_Pr->SiS_DDC_Clk   = 0x01;                 /* Bitmask in IndexReg for Clk */
   SiS_SetupDDCN(SiS_Pr);
 
   SiS_SetSwitchDDC2(SiS_Pr);
@@ -9124,9 +8935,11 @@ SiS_SetTrumpionBlock(SiS_Private *SiS_Pr, UCHAR *dataptr)
      dataptr = SiS_SetTrumpBlockLoop(SiS_Pr, dataptr);
      if(!dataptr) return FALSE;
   }
+#ifdef SIS_XORG_XF86
 #ifdef TWDEBUG
   xf86DrvMsg(0, X_INFO, "Trumpion block success\n");
 #endif
+#endif
   return TRUE;
 }
 #endif
@@ -9139,155 +8952,121 @@ SiS_SetTrumpionBlock(SiS_Private *SiS_Pr, UCHAR *dataptr)
  */
 
 static BOOLEAN
-SiS_SetChReg(SiS_Private *SiS_Pr, USHORT tempbx, USHORT myor)
+SiS_SetChReg(struct SiS_Private *SiS_Pr, unsigned short reg, unsigned char val, unsigned short myor)
 {
-  USHORT tempah,temp,i;
+  unsigned short temp, i;
 
   for(i=0; i<20; i++) {                         /* Do 20 attempts to write */
      if(i) {
-        SiS_SetStop(SiS_Pr);
-        SiS_DDC2Delay(SiS_Pr,SiS_I2CDELAYSHORT);
-     }
-     if(SiS_SetStart(SiS_Pr)) continue;         /* Set start condition */
-     tempah = SiS_Pr->SiS_DDC_DeviceAddr;
-     temp = SiS_WriteDDC2Data(SiS_Pr,tempah);   /* Write DAB (S0=0=write) */
-     if(temp) continue;                         /*    (ERROR: no ack) */
-     tempah = tempbx & 0x00FF;                  /* Write RAB */
-     tempah |= myor;                            /* (700x: set bit 7, see datasheet) */
-     temp = SiS_WriteDDC2Data(SiS_Pr,tempah);
-     if(temp) continue;                         /*    (ERROR: no ack) */
-     tempah = (tempbx & 0xFF00) >> 8;
-     temp = SiS_WriteDDC2Data(SiS_Pr,tempah);   /* Write data */
-     if(temp) continue;                         /*    (ERROR: no ack) */
-     if(SiS_SetStop(SiS_Pr)) continue;          /* Set stop condition */
+        SiS_SetStop(SiS_Pr);
+        SiS_DDC2Delay(SiS_Pr,SiS_I2CDELAYSHORT * 4);
+     }
+     if(SiS_SetStart(SiS_Pr)) continue;                                 /* Set start condition */
+     temp = SiS_WriteDDC2Data(SiS_Pr, SiS_Pr->SiS_DDC_DeviceAddr);      /* Write DAB (S0=0=write) */
+     if(temp) continue;                                                 /*    (ERROR: no ack) */
+     temp = SiS_WriteDDC2Data(SiS_Pr, (reg | myor));                    /* Write RAB (700x: set bit 7, see datasheet) */
+     if(temp) continue;                                                 /*    (ERROR: no ack) */
+     temp = SiS_WriteDDC2Data(SiS_Pr, val);                             /* Write data */
+     if(temp) continue;                                                 /*    (ERROR: no ack) */
+     if(SiS_SetStop(SiS_Pr)) continue;                                  /* Set stop condition */
      SiS_Pr->SiS_ChrontelInit = 1;
      return TRUE;
   }
   return FALSE;
 }
 
-#if 0
-#ifdef SIS300
-/* Write Trumpion register */
-static void
-SiS_SetTrumpReg(SiS_Private *SiS_Pr, USHORT tempbx)
-{
-  SiS_Pr->SiS_DDC_DeviceAddr = 0xF0;            /* DAB (Device Address Byte) */
-  SiS_Pr->SiS_DDC_Index = 0x11;                 /* Bit 0 = SC;  Bit 1 = SD */
-  SiS_Pr->SiS_DDC_Data  = 0x02;                 /* Bitmask in IndexReg for Data */
-  SiS_Pr->SiS_DDC_Clk   = 0x01;                 /* Bitmask in IndexReg for Clk */
-  SiS_SetupDDCN(SiS_Pr);
-  SiS_SetChReg(SiS_Pr, tempbx, 0);
-}
-#endif
-#endif
-
 /* Write to Chrontel 700x */
-/* Parameter is [Data (S15-S8) | Register no (S7-S0)] */
 void
-SiS_SetCH700x(SiS_Private *SiS_Pr, USHORT tempbx)
+SiS_SetCH700x(struct SiS_Private *SiS_Pr, unsigned short reg, unsigned char val)
 {
   SiS_Pr->SiS_DDC_DeviceAddr = 0xEA;            /* DAB (Device Address Byte) */
 
+  SiS_DDC2Delay(SiS_Pr,SiS_I2CDELAYSHORT);
+
   if(!(SiS_Pr->SiS_ChrontelInit)) {
      SiS_Pr->SiS_DDC_Index = 0x11;              /* Bit 0 = SC;  Bit 1 = SD */
-     SiS_Pr->SiS_DDC_Data  = 0x02;              /* Bitmask in IndexReg for Data */
-     SiS_Pr->SiS_DDC_Clk   = 0x01;              /* Bitmask in IndexReg for Clk */
+     SiS_Pr->SiS_DDC_Data  = 0x02;              /* Bitmask in IndexReg for Data */
+     SiS_Pr->SiS_DDC_Clk   = 0x01;              /* Bitmask in IndexReg for Clk */
      SiS_SetupDDCN(SiS_Pr);
   }
 
-  if( (!(SiS_SetChReg(SiS_Pr, tempbx, 0x80))) &&
+  if( (!(SiS_SetChReg(SiS_Pr, reg, val, 0x80))) &&
       (!(SiS_Pr->SiS_ChrontelInit)) ) {
-     SiS_Pr->SiS_DDC_Index = 0x0a;              /* Bit 7 = SC;  Bit 6 = SD */
-     SiS_Pr->SiS_DDC_Data  = 0x80;              /* Bitmask in IndexReg for Data */
-     SiS_Pr->SiS_DDC_Clk   = 0x40;              /* Bitmask in IndexReg for Clk */
+     SiS_Pr->SiS_DDC_Index = 0x0a;
+     SiS_Pr->SiS_DDC_Data  = 0x80;
+     SiS_Pr->SiS_DDC_Clk   = 0x40;
      SiS_SetupDDCN(SiS_Pr);
 
-     SiS_SetChReg(SiS_Pr, tempbx, 0x80);
+     SiS_SetChReg(SiS_Pr, reg, val, 0x80);
   }
 }
 
 /* Write to Chrontel 701x */
 /* Parameter is [Data (S15-S8) | Register no (S7-S0)] */
 void
-SiS_SetCH701x(SiS_Private *SiS_Pr, USHORT tempbx)
+SiS_SetCH701x(struct SiS_Private *SiS_Pr, unsigned short reg, unsigned char val)
 {
   SiS_Pr->SiS_DDC_Index = 0x11;                 /* Bit 0 = SC;  Bit 1 = SD */
-  SiS_Pr->SiS_DDC_Data  = 0x08;                 /* Bitmask in IndexReg for Data */
-  SiS_Pr->SiS_DDC_Clk   = 0x04;                 /* Bitmask in IndexReg for Clk */
+  SiS_Pr->SiS_DDC_Data  = 0x08;                 /* Bitmask in IndexReg for Data */
+  SiS_Pr->SiS_DDC_Clk   = 0x04;                 /* Bitmask in IndexReg for Clk */
   SiS_SetupDDCN(SiS_Pr);
-  SiS_Pr->SiS_DDC_DeviceAddr = 0xEA;            /* DAB (Device Address Byte) */
-  SiS_SetChReg(SiS_Pr, tempbx, 0);
+  SiS_Pr->SiS_DDC_DeviceAddr = 0xEA;            /* DAB (Device Address Byte) */
+  SiS_SetChReg(SiS_Pr, reg, val, 0);
 }
 
-static void
-SiS_SetCH70xx(SiS_Private *SiS_Pr, USHORT tempbx)
+#ifdef SIS_LINUX_KERNEL
+static
+#endif
+void
+SiS_SetCH70xx(struct SiS_Private *SiS_Pr, unsigned short reg, unsigned char val)
 {
   if(SiS_Pr->SiS_IF_DEF_CH70xx == 1)
-     SiS_SetCH700x(SiS_Pr,tempbx);
+     SiS_SetCH700x(SiS_Pr, reg, val);
   else
-     SiS_SetCH701x(SiS_Pr,tempbx);
+     SiS_SetCH701x(SiS_Pr, reg, val);
 }
 
-static USHORT
-SiS_GetChReg(SiS_Private *SiS_Pr, USHORT myor)
+static unsigned short
+SiS_GetChReg(struct SiS_Private *SiS_Pr, unsigned short myor)
 {
-  USHORT tempah,temp,i;
+  unsigned short tempah, temp, i;
 
   for(i=0; i<20; i++) {                         /* Do 20 attempts to read */
      if(i) {
-        SiS_SetStop(SiS_Pr);
-        SiS_DDC2Delay(SiS_Pr,SiS_I2CDELAYSHORT);
-     }
-     if(SiS_SetStart(SiS_Pr)) continue;         /* Set start condition */
-     tempah = SiS_Pr->SiS_DDC_DeviceAddr;
-     temp = SiS_WriteDDC2Data(SiS_Pr,tempah);   /* Write DAB (S0=0=write) */
-     if(temp) continue;                         /*        (ERROR: no ack) */
-     tempah = SiS_Pr->SiS_DDC_ReadAddr | myor;  /* Write RAB (700x: | 0x80) */
-     temp = SiS_WriteDDC2Data(SiS_Pr,tempah);
-     if(temp) continue;                         /*        (ERROR: no ack) */
-     if (SiS_SetStart(SiS_Pr)) continue;        /* Re-start */
-     tempah = SiS_Pr->SiS_DDC_DeviceAddr | 0x01;/* DAB | 0x01 = Read */
-     temp = SiS_WriteDDC2Data(SiS_Pr,tempah);   /* DAB (S0=1=read) */
-     if(temp) continue;                         /*        (ERROR: no ack) */
-     tempah = SiS_ReadDDC2Data(SiS_Pr,tempah);  /* Read byte */
-     if(SiS_SetStop(SiS_Pr)) continue;          /* Stop condition */
+        SiS_SetStop(SiS_Pr);
+        SiS_DDC2Delay(SiS_Pr,SiS_I2CDELAYSHORT * 4);
+     }
+     if(SiS_SetStart(SiS_Pr)) continue;                                 /* Set start condition */
+     temp = SiS_WriteDDC2Data(SiS_Pr,SiS_Pr->SiS_DDC_DeviceAddr);       /* Write DAB (S0=0=write) */
+     if(temp) continue;                                                 /*        (ERROR: no ack) */
+     temp = SiS_WriteDDC2Data(SiS_Pr,SiS_Pr->SiS_DDC_ReadAddr | myor);  /* Write RAB (700x: | 0x80) */
+     if(temp) continue;                                                 /*        (ERROR: no ack) */
+     if (SiS_SetStart(SiS_Pr)) continue;                                /* Re-start */
+     temp = SiS_WriteDDC2Data(SiS_Pr,SiS_Pr->SiS_DDC_DeviceAddr | 0x01);/* DAB (S0=1=read) */
+     if(temp) continue;                                                 /*        (ERROR: no ack) */
+     tempah = SiS_ReadDDC2Data(SiS_Pr);                                 /* Read byte */
+     if(SiS_SetStop(SiS_Pr)) continue;                                  /* Stop condition */
      SiS_Pr->SiS_ChrontelInit = 1;
-     return(tempah);
+     return tempah;
   }
   return 0xFFFF;
 }
 
-#if 0
-#ifdef SIS300
-/* Read from Trumpion */
-static USHORT
-SiS_GetTrumpReg(SiS_Private *SiS_Pr, USHORT tempbx)
-{
-  SiS_Pr->SiS_DDC_DeviceAddr = 0xF0;    /* DAB */
-  SiS_Pr->SiS_DDC_Index = 0x11;         /* Bit 0 = SC;  Bit 1 = SD */
-  SiS_Pr->SiS_DDC_Data  = 0x02;         /* Bitmask in IndexReg for Data */
-  SiS_Pr->SiS_DDC_Clk   = 0x01;         /* Bitmask in IndexReg for Clk */
-  SiS_SetupDDCN(SiS_Pr);
-  SiS_Pr->SiS_DDC_ReadAddr = tempbx;
-  return(SiS_GetChReg(SiS_Pr,0));
-}
-#endif
-#endif
-
 /* Read from Chrontel 700x */
 /* Parameter is [Register no (S7-S0)] */
-USHORT
-SiS_GetCH700x(SiS_Private *SiS_Pr, USHORT tempbx)
+unsigned short
+SiS_GetCH700x(struct SiS_Private *SiS_Pr, unsigned short tempbx)
 {
-  USHORT result;
+  unsigned short result;
 
   SiS_Pr->SiS_DDC_DeviceAddr = 0xEA;            /* DAB */
 
+  SiS_DDC2Delay(SiS_Pr,SiS_I2CDELAYSHORT);
+
   if(!(SiS_Pr->SiS_ChrontelInit)) {
      SiS_Pr->SiS_DDC_Index = 0x11;              /* Bit 0 = SC;  Bit 1 = SD */
-     SiS_Pr->SiS_DDC_Data  = 0x02;              /* Bitmask in IndexReg for Data */
-     SiS_Pr->SiS_DDC_Clk   = 0x01;              /* Bitmask in IndexReg for Clk */
+     SiS_Pr->SiS_DDC_Data  = 0x02;              /* Bitmask in IndexReg for Data */
+     SiS_Pr->SiS_DDC_Clk   = 0x01;              /* Bitmask in IndexReg for Clk */
      SiS_SetupDDCN(SiS_Pr);
   }
 
@@ -9303,52 +9082,69 @@ SiS_GetCH700x(SiS_Private *SiS_Pr, USHORT tempbx)
 
      result = SiS_GetChReg(SiS_Pr,0x80);
   }
-  return(result);
+  return result;
 }
 
 /* Read from Chrontel 701x */
 /* Parameter is [Register no (S7-S0)] */
-USHORT
-SiS_GetCH701x(SiS_Private *SiS_Pr, USHORT tempbx)
+unsigned short
+SiS_GetCH701x(struct SiS_Private *SiS_Pr, unsigned short tempbx)
 {
   SiS_Pr->SiS_DDC_Index = 0x11;                 /* Bit 0 = SC;  Bit 1 = SD */
-  SiS_Pr->SiS_DDC_Data  = 0x08;                 /* Bitmask in IndexReg for Data */
-  SiS_Pr->SiS_DDC_Clk   = 0x04;                 /* Bitmask in IndexReg for Clk */
+  SiS_Pr->SiS_DDC_Data  = 0x08;                 /* Bitmask in IndexReg for Data */
+  SiS_Pr->SiS_DDC_Clk   = 0x04;                 /* Bitmask in IndexReg for Clk */
   SiS_SetupDDCN(SiS_Pr);
   SiS_Pr->SiS_DDC_DeviceAddr = 0xEA;            /* DAB */
 
   SiS_Pr->SiS_DDC_ReadAddr = tempbx;
 
-  return(SiS_GetChReg(SiS_Pr,0));
+  return SiS_GetChReg(SiS_Pr,0);
 }
 
 /* Read from Chrontel 70xx */
 /* Parameter is [Register no (S7-S0)] */
-static USHORT
-SiS_GetCH70xx(SiS_Private *SiS_Pr, USHORT tempbx)
+#ifdef SIS_LINUX_KERNEL
+static
+#endif
+unsigned short
+SiS_GetCH70xx(struct SiS_Private *SiS_Pr, unsigned short tempbx)
 {
   if(SiS_Pr->SiS_IF_DEF_CH70xx == 1)
-     return(SiS_GetCH700x(SiS_Pr, tempbx));
+     return SiS_GetCH700x(SiS_Pr, tempbx);
   else
-     return(SiS_GetCH701x(SiS_Pr, tempbx));
+     return SiS_GetCH701x(SiS_Pr, tempbx);
+}
+
+void
+SiS_SetCH70xxANDOR(struct SiS_Private *SiS_Pr, unsigned short reg,
+                unsigned char myor, unsigned short myand)
+{
+  unsigned short tempbl;
+
+  tempbl = (SiS_GetCH70xx(SiS_Pr, (reg & 0xFF)) & myand) | myor;
+  SiS_SetCH70xx(SiS_Pr, reg, tempbl);
 }
 
 /* Our own DDC functions */
-static USHORT
-SiS_InitDDCRegs(SiS_Private *SiS_Pr, unsigned long VBFlags, int VGAEngine,
-                USHORT adaptnum, USHORT DDCdatatype, BOOLEAN checkcr32)
+#ifndef SIS_XORG_XF86
+static
+#endif
+unsigned short
+SiS_InitDDCRegs(struct SiS_Private *SiS_Pr, unsigned int VBFlags, int VGAEngine,
+                unsigned short adaptnum, unsigned short DDCdatatype, BOOLEAN checkcr32,
+                unsigned int VBFlags2)
 {
      unsigned char ddcdtype[] = { 0xa0, 0xa0, 0xa0, 0xa2, 0xa6 };
      unsigned char flag, cr32;
-     USHORT        temp = 0, myadaptnum = adaptnum;
+     unsigned short        temp = 0, myadaptnum = adaptnum;
 
      if(adaptnum != 0) {
-        if(!(VBFlags & (VB_301|VB_301B|VB_301C|VB_302B))) return 0xFFFF;
-        if((VBFlags & VB_30xBDH) && (adaptnum == 1)) return 0xFFFF;
-     }  
-     
+        if(!(VBFlags2 & VB2_SISTMDSBRIDGE)) return 0xFFFF;
+        if((VBFlags2 & VB2_30xBDH) && (adaptnum == 1)) return 0xFFFF;
+     }
+
      /* adapternum for SiS bridges: 0 = CRT1, 1 = LCD, 2 = VGA2 */
-     
+
      SiS_Pr->SiS_ChrontelInit = 0;   /* force re-detection! */
 
      SiS_Pr->SiS_DDC_SecAddr = 0;
@@ -9360,7 +9156,7 @@ SiS_InitDDCRegs(SiS_Private *SiS_Pr, unsigned long VBFlags, int VGAEngine,
      cr32 = SiS_GetReg(SiS_Pr->SiS_P3d4,0x32);
 
 #if 0
-     if(VBFlags & VB_SISBRIDGE) {
+     if(VBFlags2 & VB2_SISBRIDGE) {
         if(myadaptnum == 0) {
            if(!(cr32 & 0x20)) {
               myadaptnum = 2;
@@ -9376,20 +9172,20 @@ SiS_InitDDCRegs(SiS_Private *SiS_Pr, unsigned long VBFlags, int VGAEngine,
 #endif
 
      if(VGAEngine == SIS_300_VGA) {             /* 300 series */
-        
+
         if(myadaptnum != 0) {
            flag = 0;
-           if(VBFlags & VB_SISBRIDGE) {
+           if(VBFlags2 & VB2_SISBRIDGE) {
               SiS_Pr->SiS_DDC_Port = SiS_Pr->SiS_Part4Port;
               SiS_Pr->SiS_DDC_Index = 0x0f;
            }
         }
 
-        if(!(VBFlags & VB_301)) {
+        if(!(VBFlags2 & VB2_301)) {
            if((cr32 & 0x80) && (checkcr32)) {
               if(myadaptnum >= 1) {
                  if(!(cr32 & 0x08)) {
-                     myadaptnum = 1;
+                     myadaptnum = 1;
                      if(!(cr32 & 0x10)) return 0xFFFF;
                  }
               }
@@ -9401,17 +9197,17 @@ SiS_InitDDCRegs(SiS_Private *SiS_Pr, unsigned long VBFlags, int VGAEngine,
 
      } else {                                           /* 315/330 series */
 
-        /* here we simplify: 0 = CRT1, 1 = CRT2 (VGA, LCD) */
+        /* here we simplify: 0 = CRT1, 1 = CRT2 (VGA, LCD) */
 
-        if(VBFlags & VB_SISBRIDGE) {
+        if(VBFlags2 & VB2_SISBRIDGE) {
            if(myadaptnum == 2) {
               myadaptnum = 1;
-           }
+           }
         }
 
         if(myadaptnum == 1) {
-           flag = 0;
-           if(VBFlags & VB_SISBRIDGE) {
+           flag = 0;
+           if(VBFlags2 & VB2_SISBRIDGE) {
               SiS_Pr->SiS_DDC_Port = SiS_Pr->SiS_Part4Port;
               SiS_Pr->SiS_DDC_Index = 0x0f;
            }
@@ -9429,93 +9225,96 @@ SiS_InitDDCRegs(SiS_Private *SiS_Pr, unsigned long VBFlags, int VGAEngine,
         temp = myadaptnum;
         if(myadaptnum == 1) {
            temp = 0;
-           if(VBFlags & VB_LVDS) flag = 0xff;
+           if(VBFlags2 & VB2_LVDS) flag = 0xff;
         }
 
         if(flag) temp = 0;
     }
-    
+
     SiS_Pr->SiS_DDC_Data = 0x02 << temp;
     SiS_Pr->SiS_DDC_Clk  = 0x01 << temp;
 
     SiS_SetupDDCN(SiS_Pr);
 
+#ifdef SIS_XORG_XF86
 #ifdef TWDEBUG
     xf86DrvMsg(0, X_INFO, "DDC Port %x Index %x Shift %d\n",
                 SiS_Pr->SiS_DDC_Port, SiS_Pr->SiS_DDC_Index, temp);
 #endif
-    
+#endif
     return 0;
 }
 
-static USHORT
-SiS_WriteDABDDC(SiS_Private *SiS_Pr)
+static unsigned short
+SiS_WriteDABDDC(struct SiS_Private *SiS_Pr)
 {
    if(SiS_SetStart(SiS_Pr)) return 0xFFFF;
    if(SiS_WriteDDC2Data(SiS_Pr, SiS_Pr->SiS_DDC_DeviceAddr)) {
-        return 0xFFFF;
+      return 0xFFFF;
    }
    if(SiS_WriteDDC2Data(SiS_Pr, SiS_Pr->SiS_DDC_SecAddr)) {
-        return 0xFFFF;
+      return 0xFFFF;
    }
-   return(0);
+   return 0;
 }
 
-static USHORT
-SiS_PrepareReadDDC(SiS_Private *SiS_Pr)
+static unsigned short
+SiS_PrepareReadDDC(struct SiS_Private *SiS_Pr)
 {
    if(SiS_SetStart(SiS_Pr)) return 0xFFFF;
    if(SiS_WriteDDC2Data(SiS_Pr, (SiS_Pr->SiS_DDC_DeviceAddr | 0x01))) {
-        return 0xFFFF;
+      return 0xFFFF;
    }
-   return(0);
+   return 0;
 }
 
-static USHORT
-SiS_PrepareDDC(SiS_Private *SiS_Pr)
+static unsigned short
+SiS_PrepareDDC(struct SiS_Private *SiS_Pr)
 {
    if(SiS_WriteDABDDC(SiS_Pr)) SiS_WriteDABDDC(SiS_Pr);
-   if(SiS_PrepareReadDDC(SiS_Pr)) return(SiS_PrepareReadDDC(SiS_Pr));
-   return(0);
+   if(SiS_PrepareReadDDC(SiS_Pr)) return (SiS_PrepareReadDDC(SiS_Pr));
+   return 0;
 }
 
 static void
-SiS_SendACK(SiS_Private *SiS_Pr, USHORT yesno)
+SiS_SendACK(struct SiS_Private *SiS_Pr, unsigned short yesno)
 {
    SiS_SetSCLKLow(SiS_Pr);
    if(yesno) {
       SiS_SetRegANDOR(SiS_Pr->SiS_DDC_Port,
-                      SiS_Pr->SiS_DDC_Index,
-                      SiS_Pr->SiS_DDC_NData,
+                      SiS_Pr->SiS_DDC_Index,
+                      SiS_Pr->SiS_DDC_NData,
                       SiS_Pr->SiS_DDC_Data);
    } else {
       SiS_SetRegANDOR(SiS_Pr->SiS_DDC_Port,
-                      SiS_Pr->SiS_DDC_Index,
-                      SiS_Pr->SiS_DDC_NData,
+                      SiS_Pr->SiS_DDC_Index,
+                      SiS_Pr->SiS_DDC_NData,
                       0);
    }
    SiS_SetSCLKHigh(SiS_Pr);
 }
 
-static USHORT
-SiS_DoProbeDDC(SiS_Private *SiS_Pr)
+static unsigned short
+SiS_DoProbeDDC(struct SiS_Private *SiS_Pr)
 {
     unsigned char mask, value;
-    USHORT  temp, ret=0;
+    unsigned short  temp, ret=0;
     BOOLEAN failed = FALSE;
 
     SiS_SetSwitchDDC2(SiS_Pr);
     if(SiS_PrepareDDC(SiS_Pr)) {
          SiS_SetStop(SiS_Pr);
+#ifdef SIS_XORG_XF86
 #ifdef TWDEBUG
          xf86DrvMsg(0, X_INFO, "Probe: Prepare failed\n");
 #endif
-         return(0xFFFF);
+#endif
+         return 0xFFFF;
     }
     mask = 0xf0;
     value = 0x20;
     if(SiS_Pr->SiS_DDC_DeviceAddr == 0xa0) {
-       temp = (unsigned char)SiS_ReadDDC2Data(SiS_Pr, 0);
+       temp = (unsigned char)SiS_ReadDDC2Data(SiS_Pr);
        SiS_SendACK(SiS_Pr, 0);
        if(temp == 0) {
            mask = 0xff;
@@ -9523,34 +9322,41 @@ SiS_DoProbeDDC(SiS_Private *SiS_Pr)
        } else {
            failed = TRUE;
            ret = 0xFFFF;
+#ifdef SIS_XORG_XF86
 #ifdef TWDEBUG
            xf86DrvMsg(0, X_INFO, "Probe: Read 1 failed\n");
 #endif
+#endif
        }
     }
     if(failed == FALSE) {
-       temp = (unsigned char)SiS_ReadDDC2Data(SiS_Pr, 0);
+       temp = (unsigned char)SiS_ReadDDC2Data(SiS_Pr);
        SiS_SendACK(SiS_Pr, 1);
        temp &= mask;
        if(temp == value) ret = 0;
        else {
           ret = 0xFFFF;
+#ifdef SIS_XORG_XF86
 #ifdef TWDEBUG
           xf86DrvMsg(0, X_INFO, "Probe: Read 2 failed\n");
 #endif
+#endif
           if(SiS_Pr->SiS_DDC_DeviceAddr == 0xa0) {
              if(temp == 0x30) ret = 0;
           }
        }
     }
     SiS_SetStop(SiS_Pr);
-    return(ret);
+    return ret;
 }
 
-static USHORT
-SiS_ProbeDDC(SiS_Private *SiS_Pr)
+#ifndef SIS_XORG_XF86
+static
+#endif
+unsigned short
+SiS_ProbeDDC(struct SiS_Private *SiS_Pr)
 {
-   USHORT flag;
+   unsigned short flag;
 
    flag = 0x180;
    SiS_Pr->SiS_DDC_DeviceAddr = 0xa0;
@@ -9560,16 +9366,19 @@ SiS_ProbeDDC(SiS_Private *SiS_Pr)
    SiS_Pr->SiS_DDC_DeviceAddr = 0xa6;
    if(!(SiS_DoProbeDDC(SiS_Pr))) flag |= 0x10;
    if(!(flag & 0x1a)) flag = 0;
-   return(flag);
+   return flag;
 }
 
-static USHORT
-SiS_ReadDDC(SiS_Private *SiS_Pr, USHORT DDCdatatype, unsigned char *buffer)
+#ifndef SIS_XORG_XF86
+static
+#endif
+unsigned short
+SiS_ReadDDC(struct SiS_Private *SiS_Pr, unsigned short DDCdatatype, unsigned char *buffer)
 {
-   USHORT flag, length, i;
+   unsigned short flag, length, i;
    unsigned char chksum,gotcha;
 
-   if(DDCdatatype > 4) return 0xFFFF;  
+   if(DDCdatatype > 4) return 0xFFFF;
 
    flag = 0;
    SiS_SetSwitchDDC2(SiS_Pr);
@@ -9579,21 +9388,21 @@ SiS_ReadDDC(SiS_Private *SiS_Pr, USHORT DDCdatatype, unsigned char *buffer)
       chksum = 0;
       gotcha = 0;
       for(i=0; i<length; i++) {
-         buffer[i] = (unsigned char)SiS_ReadDDC2Data(SiS_Pr, 0);
+         buffer[i] = (unsigned char)SiS_ReadDDC2Data(SiS_Pr);
          chksum += buffer[i];
          gotcha |= buffer[i];
          SiS_SendACK(SiS_Pr, 0);
       }
-      buffer[i] = (unsigned char)SiS_ReadDDC2Data(SiS_Pr, 0);
+      buffer[i] = (unsigned char)SiS_ReadDDC2Data(SiS_Pr);
       chksum += buffer[i];
       SiS_SendACK(SiS_Pr, 1);
-      if(gotcha) flag = (USHORT)chksum;
+      if(gotcha) flag = (unsigned short)chksum;
       else flag = 0xFFFF;
    } else {
       flag = 0xFFFF;
    }
    SiS_SetStop(SiS_Pr);
-   return(flag);
+   return flag;
 }
 
 /* Our private DDC functions
@@ -9617,17 +9426,25 @@ SiS_ReadDDC(SiS_Private *SiS_Pr, USHORT DDCdatatype, unsigned char *buffer)
        if DDCdatatype = 0:  Returns supported DDC modes
 
  */
-USHORT
-SiS_HandleDDC(SiS_Private *SiS_Pr, unsigned long VBFlags, int VGAEngine,
-              USHORT adaptnum, USHORT DDCdatatype, unsigned char *buffer)
+unsigned short
+SiS_HandleDDC(struct SiS_Private *SiS_Pr, unsigned int VBFlags, int VGAEngine,
+              unsigned short adaptnum, unsigned short DDCdatatype, unsigned char *buffer,
+              unsigned int VBFlags2)
 {
-   unsigned char sr1f,cr17=1;
-   USHORT result;
+   unsigned char  sr1f, cr17=1;
+   unsigned short result;
 
-   if(adaptnum > 2) return 0xFFFF;
-   if(DDCdatatype > 4) return 0xFFFF;
-   if((!(VBFlags & VB_VIDEOBRIDGE)) && (adaptnum > 0)) return 0xFFFF;
-   if(SiS_InitDDCRegs(SiS_Pr, VBFlags, VGAEngine, adaptnum, DDCdatatype, FALSE) == 0xFFFF) return 0xFFFF;
+   if(adaptnum > 2)
+      return 0xFFFF;
+
+   if(DDCdatatype > 4)
+      return 0xFFFF;
+
+   if((!(VBFlags2 & VB2_VIDEOBRIDGE)) && (adaptnum > 0))
+      return 0xFFFF;
+
+   if(SiS_InitDDCRegs(SiS_Pr, VBFlags, VGAEngine, adaptnum, DDCdatatype, FALSE, VBFlags2) == 0xFFFF)
+      return 0xFFFF;
 
    sr1f = SiS_GetReg(SiS_Pr->SiS_P3c4,0x1f);
    SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x1f,0x3f,0x04);
@@ -9656,10 +9473,12 @@ SiS_HandleDDC(SiS_Private *SiS_Pr, unsigned long VBFlags, int VGAEngine,
             (buffer[4] == 0xff) && (buffer[5] == 0xff) &&
             (buffer[6] == 0xff) && (buffer[7] == 0x00) &&
             (buffer[0x12] == 1)) {
-            if(adaptnum == 1) {
-               if(!(buffer[0x14] & 0x80)) result = 0xFFFE;
-            } else {
-               if(buffer[0x14] & 0x80)    result = 0xFFFE;
+            if(!SiS_Pr->DDCPortMixup) {
+               if(adaptnum == 1) {
+                  if(!(buffer[0x14] & 0x80)) result = 0xFFFE;
+               } else {
+                  if(buffer[0x14] & 0x80)    result = 0xFFFE;
+               }
             }
          }
       }
@@ -9671,832 +9490,10 @@ SiS_HandleDDC(SiS_Private *SiS_Pr, unsigned long VBFlags, int VGAEngine,
    return result;
 }
 
-#ifdef LINUX_XF86
-
-static BOOLEAN
-checkedid1(unsigned char *buffer)
-{
-   /* Check header */
-   if((buffer[0] != 0x00) ||
-      (buffer[1] != 0xff) ||
-      (buffer[2] != 0xff) ||
-      (buffer[3] != 0xff) ||
-      (buffer[4] != 0xff) ||
-      (buffer[5] != 0xff) ||
-      (buffer[6] != 0xff) ||
-      (buffer[7] != 0x00))
-      return FALSE;
-
-   /* Check EDID version and revision */
-   if((buffer[0x12] != 1) || (buffer[0x13] > 4)) return FALSE;
-
-   /* Check week of manufacture for sanity */
-   if(buffer[0x10] > 53) return FALSE;
-
-   /* Check year of manufacture for sanity */
-   if(buffer[0x11] > 40) return FALSE;
-
-   return TRUE;
-}
-
-static BOOLEAN
-checkedid2(unsigned char *buffer)
-{
-   USHORT year = buffer[6] | (buffer[7] << 8);
-
-   /* Check EDID version */
-   if((buffer[0] & 0xf0) != 0x20) return FALSE;
-
-   /* Check week of manufacture for sanity */
-   if(buffer[5] > 53) return FALSE;
-
-   /* Check year of manufacture for sanity */
-   if((year != 0) && ((year < 1990) || (year > 2030))) return FALSE;
-
-   return TRUE;
-}
-
-/* Sense the LCD parameters (CR36, CR37) via DDC */
-/* SiS30x(B) only */
-USHORT
-SiS_SenseLCDDDC(SiS_Private *SiS_Pr, SISPtr pSiS)
-{
-   USHORT DDCdatatype, paneltype, flag, xres=0, yres=0;
-   USHORT index, myindex, lumsize, numcodes, panelvendor, panelproduct;
-   int maxx=0, maxy=0, prefx=0, prefy=0;
-   unsigned char cr37=0, seekcode;
-   BOOLEAN checkexpand = FALSE;
-   BOOLEAN havesync = FALSE;
-   BOOLEAN indb = FALSE;
-   int retry, i;
-   unsigned char buffer[256];
-
-   for(i=0; i<7; i++) SiS_Pr->CP_DataValid[i] = FALSE;
-   SiS_Pr->CP_HaveCustomData = FALSE;
-   SiS_Pr->CP_MaxX = SiS_Pr->CP_MaxY = SiS_Pr->CP_MaxClock = 0;
-   SiS_Pr->CP_PreferredX = SiS_Pr->CP_PreferredY = 0;
-   SiS_Pr->CP_PreferredIndex = -1;
-   SiS_Pr->CP_PrefClock = 0;
-   SiS_Pr->PanelSelfDetected = FALSE;
-
-   if(!(pSiS->VBFlags & (VB_301|VB_301B|VB_301C|VB_302B))) return 0;
-   if(pSiS->VBFlags & VB_30xBDH) return 0;
-  
-   if(SiS_InitDDCRegs(SiS_Pr, pSiS->VBFlags, pSiS->VGAEngine, 1, 0, FALSE) == 0xFFFF) return 0;
-   
-   SiS_Pr->SiS_DDC_SecAddr = 0x00;
-   
-   /* Probe supported DA's */
-   flag = SiS_ProbeDDC(SiS_Pr);
-#ifdef TWDEBUG
-   xf86DrvMsg(pSiS->pScrn->scrnIndex, X_INFO,
-        "CRT2 DDC capabilities 0x%x\n", flag);
-#endif  
-   if(flag & 0x10) {
-      SiS_Pr->SiS_DDC_DeviceAddr = 0xa6;        /* EDID V2 (FP) */
-      DDCdatatype = 4;
-   } else if(flag & 0x08) {
-      SiS_Pr->SiS_DDC_DeviceAddr = 0xa2;        /* EDID V2 (P&D-D Monitor) */
-      DDCdatatype = 3;
-   } else if(flag & 0x02) {
-      SiS_Pr->SiS_DDC_DeviceAddr = 0xa0;        /* EDID V1 */
-      DDCdatatype = 1;
-   } else return 0;                             /* no DDC support (or no device attached) */
-   
-   /* Read the entire EDID */
-   retry = 2;
-   do {
-      if(SiS_ReadDDC(SiS_Pr, DDCdatatype, buffer)) {
-         xf86DrvMsg(pSiS->pScrn->scrnIndex, X_PROBED,
-                "CRT2: DDC read failed (attempt %d), %s\n",
-                (3-retry), (retry == 1) ? "giving up" : "retrying");
-         retry--;
-         if(retry == 0) return 0xFFFF;
-      } else break;
-   } while(1);
-
-#ifdef TWDEBUG
-   for(i=0; i<256; i+=16) {
-       xf86DrvMsg(pSiS->pScrn->scrnIndex, X_PROBED,
-        "%02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n",
-        buffer[i],    buffer[i+1], buffer[i+2], buffer[i+3],
-        buffer[i+4],  buffer[i+5], buffer[i+6], buffer[i+7],
-        buffer[i+8],  buffer[i+9], buffer[i+10], buffer[i+11],
-        buffer[i+12], buffer[i+13], buffer[i+14], buffer[i+15]);
-   }
-#endif   
-   
-   /* Analyze EDID and retrieve LCD panel information */
-   paneltype = 0;
-   switch(DDCdatatype) {
-   case 1:                                                      /* Analyze EDID V1 */
-      /* Catch a few clear cases: */
-      if(!(checkedid1(buffer))) {
-         xf86DrvMsg(pSiS->pScrn->scrnIndex, X_PROBED,
-                "LCD sense: EDID corrupt\n");
-         return 0;
-      }
-
-      if(!(buffer[0x14] & 0x80)) {
-         xf86DrvMsg(pSiS->pScrn->scrnIndex, X_PROBED,
-                "LCD sense: Attached display expects analog input (0x%02x)\n",
-                buffer[0x14]);
-         return 0;
-      }
-
-      if((buffer[0x18] & 0x18) != 0x08) {
-         xf86DrvMsg(pSiS->pScrn->scrnIndex, X_PROBED,
-                "LCD sense: Warning: Attached display is not of RGB but of %s type (0x%02x)\n",
-                ((buffer[0x18] & 0x18) == 0x00) ? "monochrome/greyscale" :
-                  ( ((buffer[0x18] & 0x18) == 0x10) ? "non-RGB multicolor" :
-                     "undefined"),
-                buffer[0x18]);
-      }
-
-      /* Now analyze the first Detailed Timing Block and see
-       * if the preferred timing mode is stored there. If so,
-       * check if this is a standard panel for which we already
-       * know the timing.
-       */
-
-      paneltype = Panel_Custom;
-      checkexpand = FALSE;
-
-      panelvendor = buffer[9] | (buffer[8] << 8);
-      panelproduct = buffer[10] | (buffer[11] << 8);
-
-      /* Overrule bogus preferred modes from database */
-      if((indb = SiS_FindPanelFromDB(pSiS, panelvendor, panelproduct, &maxx, &maxy, &prefx, &prefy))) {
-         if(prefx) SiS_Pr->CP_PreferredX = xres = prefx;
-         if(prefy) SiS_Pr->CP_PreferredY = yres = prefy;
-      }
-
-      if(buffer[0x18] & 0x02) {
-
-         USHORT pclk = (buffer[0x36] | (buffer[0x37] << 8));
-         USHORT phb  = (buffer[0x39] | ((buffer[0x3a] & 0x0f) << 8));
-         USHORT pvb  = (buffer[0x3c] | ((buffer[0x3d] & 0x0f) << 8));
-
-         if(!xres) SiS_Pr->CP_PreferredX = xres = buffer[0x38] | ((buffer[0x3a] & 0xf0) << 4);
-         if(!yres) SiS_Pr->CP_PreferredY = yres = buffer[0x3b] | ((buffer[0x3d] & 0xf0) << 4);
-
-         switch(xres) {
-#if 0       /* Treat as custom */
-            case 800:
-                if(yres == 600) {
-                   paneltype = Panel_800x600;
-                   checkexpand = TRUE;
-                }
-                break;
-#endif
-            case 1024:
-                if(yres == 768) {
-                   paneltype = Panel_1024x768;
-                   checkexpand = TRUE;
-                }
-                break;
-            case 1280:
-                if(yres == 1024) {
-                   paneltype = Panel_1280x1024;
-                   checkexpand = TRUE;
-                } else if(yres == 960) {
-                   if(pSiS->VGAEngine == SIS_300_VGA) {
-                      paneltype = Panel300_1280x960;
-                   } else {
-                      paneltype = Panel310_1280x960;
-                   }
-                } else if(yres == 768) {
-                   if( (pclk == 8100) &&
-                       (phb == (1688 - 1280)) &&
-                       (pvb == (802 - 768)) ) {
-                      paneltype = Panel_1280x768;
-                      checkexpand = FALSE;
-                      cr37 |= 0x10;
-                   }
-                } else if(yres == 800) {
-                   if( (pclk == 6900) &&
-                       (phb == (1408 - 1280)) &&
-                       (pvb == (816 - 800)) ) {
-                      paneltype = Panel_1280x800;
-                   }
-                }
-                break;
-            case 1400:
-                if(pSiS->VGAEngine == SIS_315_VGA) {
-                   if(yres == 1050) {
-                      paneltype = Panel310_1400x1050;
-                      checkexpand = TRUE;
-                   }
-                }
-                break;
-            case 1600:
-                if(pSiS->VGAEngine == SIS_315_VGA) {
-                   if(pSiS->VBFlags & VB_301C) {
-                      if(yres == 1200) {
-                         paneltype = Panel310_1600x1200;
-                         checkexpand = TRUE;
-                      }
-                   }
-                }
-                break;
-         }
-
-         /* Save sync: This is used if "Pass 1:1" is off; in this case
-          * we always use the panel's native mode = this "preferred mode"
-          * we just have been analysing. Hence, we also need its sync.
-          */
-         if((buffer[0x47] & 0x18) == 0x18) {
-            cr37 |= ((((buffer[0x47] & 0x06) ^ 0x06) << 5) | 0x20);
-            havesync = TRUE;
-         } else {
-            /* What now? There is no digital separate output timing... */
-            xf86DrvMsg(pSiS->pScrn->scrnIndex, X_WARNING,
-                   "LCD sense: Unable to retrieve Sync polarity information\n");
-            cr37 |= 0xc0;  /* Default */
-         }
-
-      }
-
-      /* Check against our database; eg. Sanyo Z2 projector reports
-       * 1024x768 as preferred mode, although it supports 1280x720
-       * natively in non-HDCP mode. Treat such wrongly reporting
-       * panels as custom and fixup actual maximum resolutions.
-       */
-      if(paneltype != Panel_Custom) {
-         if(indb) {
-            paneltype = Panel_Custom;
-            SiS_Pr->CP_MaxX = maxx;
-            SiS_Pr->CP_MaxY = maxy;
-            /* Leave preferred unchanged (MUST contain a valid mode!) */
-         }
-      }
-
-      /* If we still don't know what panel this is, we take it
-       * as a custom panel and derive the timing data from the
-       * detailed timing blocks
-       */
-      if(paneltype == Panel_Custom) {
-
-         int i, temp, base = 0x36;
-         unsigned long estpack;
-         const unsigned short estx[] = {
-                720, 720, 640, 640, 640, 640, 800, 800,
-                800, 800, 832,1024,1024,1024,1024,1280,
-                1152
-         };
-         const unsigned short esty[] = {
-                400, 400, 480, 480, 480, 480, 600, 600,
-                600, 600, 624, 768, 768, 768, 768,1024,
-                870
-         };
-         const int estclk[] = {
-                    0,     0, 25100,   0, 31500, 31500, 36100, 40000,
-                50100, 49500,     0,   0, 65100, 75200, 78700,135200,
-                0
-         };
-
-         paneltype = 0;
-         SiS_Pr->CP_Supports64048075 = TRUE;
-
-         /* Find the maximum resolution */
-
-         /* 1. From Established timings */
-         estpack = (buffer[0x23] << 9) | (buffer[0x24] << 1) | ((buffer[0x25] >> 7) & 0x01);
-         for(i=16; i>=0; i--) {
-             if(estpack & (1 << i)) {
-                if(estx[16 - i] > SiS_Pr->CP_MaxX) SiS_Pr->CP_MaxX = estx[16 - i];
-                if(esty[16 - i] > SiS_Pr->CP_MaxY) SiS_Pr->CP_MaxY = esty[16 - i];
-                if(estclk[16 - i] > SiS_Pr->CP_MaxClock) SiS_Pr->CP_MaxClock = estclk[16 - i];
-             }
-         }
-
-         /* By default we drive the LCD at 75Hz in 640x480 mode; if
-          * the panel does not provide this mode, use 60hz
-          */
-         if(!(buffer[0x23] & 0x04)) SiS_Pr->CP_Supports64048075 = FALSE;
-
-         /* 2. From Standard Timings */
-         for(i=0x26; i < 0x36; i+=2) {
-            if((buffer[i] != 0x01) && (buffer[i+1] != 0x01)) {
-               temp = (buffer[i] + 31) * 8;
-               if(temp > SiS_Pr->CP_MaxX) SiS_Pr->CP_MaxX = temp;
-               switch((buffer[i+1] & 0xc0) >> 6) {
-               case 0x03: temp = temp * 9 / 16; break;
-               case 0x02: temp = temp * 4 / 5;  break;
-               case 0x01: temp = temp * 3 / 4;  break;
-               }
-               if(temp > SiS_Pr->CP_MaxY) SiS_Pr->CP_MaxY = temp;
-            }
-         }
-
-         /* Now extract the Detailed Timings and convert them into modes */
-
-         for(i = 0; i < 4; i++, base += 18) {
-
-            /* Is this a detailed timing block or a monitor descriptor? */
-            if(buffer[base] || buffer[base+1] || buffer[base+2]) {
-
-               xres = buffer[base+2] | ((buffer[base+4] & 0xf0) << 4);
-               yres = buffer[base+5] | ((buffer[base+7] & 0xf0) << 4);
-
-               SiS_Pr->CP_HDisplay[i] = xres;
-               SiS_Pr->CP_HSyncStart[i] = xres + (buffer[base+8] | ((buffer[base+11] & 0xc0) << 2));
-               SiS_Pr->CP_HSyncEnd[i]   = SiS_Pr->CP_HSyncStart[i] + (buffer[base+9] | ((buffer[base+11] & 0x30) << 4));
-               SiS_Pr->CP_HTotal[i] = xres + (buffer[base+3] | ((buffer[base+4] & 0x0f) << 8));
-               SiS_Pr->CP_HBlankStart[i] = xres + 1;
-               SiS_Pr->CP_HBlankEnd[i] = SiS_Pr->CP_HTotal[i];
-
-               SiS_Pr->CP_VDisplay[i] = yres;
-               SiS_Pr->CP_VSyncStart[i] = yres + (((buffer[base+10] & 0xf0) >> 4) | ((buffer[base+11] & 0x0c) << 2));
-               SiS_Pr->CP_VSyncEnd[i] = SiS_Pr->CP_VSyncStart[i] + ((buffer[base+10] & 0x0f) | ((buffer[base+11] & 0x03) << 4));
-               SiS_Pr->CP_VTotal[i] = yres + (buffer[base+6] | ((buffer[base+7] & 0x0f) << 8));
-               SiS_Pr->CP_VBlankStart[i] = yres + 1;
-               SiS_Pr->CP_VBlankEnd[i] = SiS_Pr->CP_VTotal[i];
-
-               SiS_Pr->CP_Clock[i] = (buffer[base] | (buffer[base+1] << 8)) * 10;
-
-               SiS_Pr->CP_DataValid[i] = TRUE;
-
-               /* Sort out invalid timings, interlace and too high clocks */
-               if((SiS_Pr->CP_HDisplay[i] & 7)                                            ||
-                  (SiS_Pr->CP_HDisplay[i] > SiS_Pr->CP_HSyncStart[i])                     ||
-                  (SiS_Pr->CP_HDisplay[i] >= SiS_Pr->CP_HSyncEnd[i])                      ||
-                  (SiS_Pr->CP_HDisplay[i] >= SiS_Pr->CP_HTotal[i])                        ||
-                  (SiS_Pr->CP_HSyncStart[i] >= SiS_Pr->CP_HSyncEnd[i])                    ||
-                  (SiS_Pr->CP_HSyncStart[i] > SiS_Pr->CP_HTotal[i])                       ||
-                  (SiS_Pr->CP_HSyncEnd[i] > SiS_Pr->CP_HTotal[i])                         ||
-                  (SiS_Pr->CP_VDisplay[i] > SiS_Pr->CP_VSyncStart[i])                     ||
-                  (SiS_Pr->CP_VDisplay[i] >= SiS_Pr->CP_VSyncEnd[i])                      ||
-                  (SiS_Pr->CP_VDisplay[i] >= SiS_Pr->CP_VTotal[i])                        ||
-                  (SiS_Pr->CP_VSyncStart[i] > SiS_Pr->CP_VSyncEnd[i])                     ||
-                  (SiS_Pr->CP_VSyncStart[i] > SiS_Pr->CP_VTotal[i])                       ||
-                  (SiS_Pr->CP_VSyncEnd[i] > SiS_Pr->CP_VTotal[i])                         ||
-                  (((pSiS->VBFlags & VB_301C) && (SiS_Pr->CP_Clock[i] > 162500)) ||
-                   ((!(pSiS->VBFlags & VB_301C)) &&
-                    ((SiS_Pr->CP_Clock[i] > 108200) || (SiS_Pr->CP_VDisplay[i] > 1024) ||
-                     (SiS_Pr->CP_HDisplay[i] > 1600))))                                   ||
-                  (buffer[base+17] & 0x80)) {
-
-                  SiS_Pr->CP_DataValid[i] = FALSE;
-
-               } else {
-
-                  SiS_Pr->CP_HaveCustomData = TRUE;
-
-                  if(xres > SiS_Pr->CP_MaxX) SiS_Pr->CP_MaxX = xres;
-                  if(yres > SiS_Pr->CP_MaxY) SiS_Pr->CP_MaxY = yres;
-                  if(SiS_Pr->CP_Clock[i] > SiS_Pr->CP_MaxClock) SiS_Pr->CP_MaxClock = SiS_Pr->CP_Clock[i];
-
-                  if((SiS_Pr->CP_PreferredX == xres) && (SiS_Pr->CP_PreferredY == yres)) {
-                     SiS_Pr->CP_PreferredIndex = i;
-                     SiS_MakeClockRegs(pSiS->pScrn, SiS_Pr->CP_Clock[i], &SiS_Pr->CP_PrefSR2B, &SiS_Pr->CP_PrefSR2C);
-                     SiS_Pr->CP_PrefClock = (SiS_Pr->CP_Clock[i] / 1000) + 1;
-                  }
-
-                  /* Extract the sync polarisation information. This only works
-                   * if the Flags indicate a digital separate output.
-                   */
-                  if((buffer[base+17] & 0x18) == 0x18) {
-                     SiS_Pr->CP_HSync_P[i] = (buffer[base+17] & 0x02) ? TRUE : FALSE;
-                     SiS_Pr->CP_VSync_P[i] = (buffer[base+17] & 0x04) ? TRUE : FALSE;
-                     SiS_Pr->CP_SyncValid[i] = TRUE;
-                     if((i == SiS_Pr->CP_PreferredIndex) && (!havesync)) {
-                        cr37 |= ((((buffer[base+17] & 0x06) ^ 0x06) << 5) | 0x20);
-                        havesync = TRUE;
-                     }
-                  } else {
-                     SiS_Pr->CP_SyncValid[i] = FALSE;
-                  }
-
-               }
-
-            } else if((!buffer[base]) && (!buffer[base+1]) && (!buffer[base+2]) && (!buffer[base+4])) {
-
-               /* Maximum pixclock from Monitor Range Limits */
-               if((buffer[base+3] == 0xfd) && (buffer[base+9] != 0xff)) {
-                  int maxclk = buffer[base+9] * 10;
-                  /* More than 170 is not supported anyway */
-                  if(maxclk <= 170) SiS_Pr->CP_MaxClock = maxclk * 1000;
-               }
-
-            }
-
-         }
-
-         if(SiS_Pr->CP_MaxX && SiS_Pr->CP_MaxY) {
-            paneltype = Panel_Custom;
-            checkexpand = FALSE;
-            cr37 |= 0x10;
-            SiS_Pr->CP_Vendor = panelvendor;
-            SiS_Pr->CP_Product = panelproduct;
-         }
-
-      }
-
-      if(paneltype && checkexpand) {
-         /* If any of the Established low-res modes is supported, the
-          * panel can scale automatically. For 800x600 panels, we only 
-          * check the even lower ones.
-          */
-         if(paneltype == Panel_800x600) {
-            if(buffer[0x23] & 0xfc) cr37 |= 0x10;
-         } else {
-            if(buffer[0x23])        cr37 |= 0x10;
-         }
-      }
-       
-      break;
-      
-   case 3:                                                      /* Analyze EDID V2 */
-   case 4:
-      index = 0;
-
-      if(!(checkedid2(buffer))) {
-         xf86DrvMsg(pSiS->pScrn->scrnIndex, X_PROBED,
-                "LCD sense: EDID corrupt\n");
-         return 0;
-      }
-
-      if((buffer[0x41] & 0x0f) == 0x03) {
-         index = 0x42 + 3;
-         xf86DrvMsg(pSiS->pScrn->scrnIndex, X_PROBED,
-                "LCD sense: Display supports TMDS input on primary interface\n");
-      } else if((buffer[0x41] & 0xf0) == 0x30) {
-         index = 0x46 + 3;
-         xf86DrvMsg(pSiS->pScrn->scrnIndex, X_PROBED,
-                "LCD sense: Display supports TMDS input on secondary interface\n");
-      } else {
-         xf86DrvMsg(pSiS->pScrn->scrnIndex, X_PROBED,
-                "LCD sense: Display does not support TMDS video interface (0x%02x)\n",
-                buffer[0x41]);
-         return 0;
-      }
-
-      SiS_Pr->CP_Vendor = panelvendor = buffer[2] | (buffer[1] << 8);
-      SiS_Pr->CP_Product = panelproduct = buffer[3] | (buffer[4] << 8);
-
-      paneltype = Panel_Custom;
-      SiS_Pr->CP_MaxX = SiS_Pr->CP_PreferredX = xres = buffer[0x76] | (buffer[0x77] << 8);
-      SiS_Pr->CP_MaxY = SiS_Pr->CP_PreferredY = yres = buffer[0x78] | (buffer[0x79] << 8);
-
-      switch(xres) {
-#if 0
-         case 800:
-             if(yres == 600) {
-                paneltype = Panel_800x600;
-                checkexpand = TRUE;
-             }
-             break;
-#endif
-         case 1024:
-             if(yres == 768) {
-                paneltype = Panel_1024x768;
-                checkexpand = TRUE;
-             }
-             break;
-         case 1280:
-             if(yres == 960) {
-                if(pSiS->VGAEngine == SIS_315_VGA) {
-                   paneltype = Panel310_1280x960;
-                } else {
-                   paneltype = Panel300_1280x960;
-                }
-             } else if(yres == 1024) {
-                paneltype = Panel_1280x1024;
-                checkexpand = TRUE;
-             }
-             /* 1280x768 treated as custom here */
-             break;
-         case 1400:
-             if(pSiS->VGAEngine == SIS_315_VGA) {
-                if(yres == 1050) {
-                   paneltype = Panel310_1400x1050;
-                   checkexpand = TRUE;
-                }
-             }
-             break;
-         case 1600:
-             if(pSiS->VGAEngine == SIS_315_VGA) {
-                if(pSiS->VBFlags & VB_301C) {
-                   if(yres == 1200) {
-                      paneltype = Panel310_1600x1200;
-                      checkexpand = TRUE;
-                   }
-                }
-             }
-             break;
-      }
-
-      /* Determine if RGB18 or RGB24 */
-      if(index) {
-         if((buffer[index] == 0x20) || (buffer[index] == 0x34)) {
-            cr37 |= 0x01;
-         }
-      }
-
-      if(checkexpand) {
-         /* TODO - for now, we let the panel scale */
-         cr37 |= 0x10;
-      }
-
-      /* Now seek 4-Byte Timing codes and extract sync pol info */
-      index = 0x80;
-      if(buffer[0x7e] & 0x20) {                     /* skip Luminance Table (if provided) */
-         lumsize = buffer[0x80] & 0x1f;
-         if(buffer[0x80] & 0x80) lumsize *= 3;
-         lumsize++;  /* luminance header byte */
-         index += lumsize;
-      }
-#if 0 /* "pixel rate" = pixel clock? */
-      if(buffer[0x7e] & 0x1c) {
-         for(i=0; i<((buffer[0x7e] & 0x1c) >> 2); i++) {
-            if(buffer[index + (i*8) + 6] && (buffer[index + (i*8) + 7] & 0x0f)) {
-               int clk = (buffer[index + (i*8) + 6] | ((buffer[index + (i*8) + 7] & 0x0f) << 4)) * 1000;
-               if(clk > SiS_Pr->CP_MaxClock) SiS_Pr->CP_MaxClock = clk;
-            }
-         }
-      }
-#endif
-      index += (((buffer[0x7e] & 0x1c) >> 2) * 8);   /* skip Frequency Ranges */
-      if(buffer[0x7e] & 0x03) {
-         for(i=0; i<(buffer[0x7e] & 0x03); i++) {
-            if((buffer[index + (i*27) + 9]) || (buffer[index + (i*27) + 10])) {
-               int clk = ((buffer[index + (i*27) + 9]) | ((buffer[index + (i*27) + 9]) << 8)) * 10;
-               if(clk > SiS_Pr->CP_MaxClock) SiS_Pr->CP_MaxClock = clk;
-            }
-         }
-      }
-      index += ((buffer[0x7e] & 0x03) * 27);         /* skip Detailed Range Limits */
-      numcodes = (buffer[0x7f] & 0xf8) >> 3;
-      if(numcodes) {
-         myindex = index;
-         seekcode = (xres - 256) / 16;
-         for(i=0; i<numcodes; i++) {
-            if(buffer[myindex] == seekcode) break;
-            myindex += 4;
-         }
-         if(buffer[myindex] == seekcode) {
-            cr37 |= ((((buffer[myindex + 1] & 0x0c) ^ 0x0c) << 4) | 0x20);
-            havesync = TRUE;
-         } else {
-            xf86DrvMsg(pSiS->pScrn->scrnIndex, X_WARNING,
-                "LCD sense: Unable to retrieve Sync polarity information\n");
-         }
-      } else {
-         xf86DrvMsg(pSiS->pScrn->scrnIndex, X_WARNING,
-             "LCD sense: Unable to retrieve Sync polarity information\n");
-      }
-
-      /* Check against our database; Eg. Sanyo projector reports
-       * 1024x768 in non-HDPC mode, although it supports 1280x720.
-       * Treat such wrongly reporting panels as custom.
-       */
-      if(paneltype != Panel_Custom) {
-         int maxx, maxy, prefx, prefy;
-         if((SiS_FindPanelFromDB(pSiS, panelvendor, panelproduct, &maxx, &maxy, &prefx, &prefy))) {
-            paneltype = Panel_Custom;
-            SiS_Pr->CP_MaxX = maxx;
-            SiS_Pr->CP_MaxY = maxy;
-            cr37 |= 0x10;
-            /* Leave preferred unchanged (MUST be a valid mode!) */
-         }
-      }
-
-      /* Now seek the detailed timing descriptions for custom panels */
-      if(paneltype == Panel_Custom) {
-
-         SiS_Pr->CP_Supports64048075 = TRUE;
-
-         index += (numcodes * 4);
-         numcodes = buffer[0x7f] & 0x07;
-         for(i=0; i<numcodes; i++, index += 18) {
-            xres = buffer[index+2] | ((buffer[index+4] & 0xf0) << 4);
-            yres = buffer[index+5] | ((buffer[index+7] & 0xf0) << 4);
-
-            SiS_Pr->CP_HDisplay[i] = xres;
-            SiS_Pr->CP_HSyncStart[i] = xres + (buffer[index+8] | ((buffer[index+11] & 0xc0) << 2));
-            SiS_Pr->CP_HSyncEnd[i] = SiS_Pr->CP_HSyncStart[i] + (buffer[index+9] | ((buffer[index+11] & 0x30) << 4));
-            SiS_Pr->CP_HTotal[i] = xres + (buffer[index+3] | ((buffer[index+4] & 0x0f) << 8));
-            SiS_Pr->CP_HBlankStart[i] = xres + 1;
-            SiS_Pr->CP_HBlankEnd[i] = SiS_Pr->CP_HTotal[i];
-
-            SiS_Pr->CP_VDisplay[i] = yres;
-            SiS_Pr->CP_VSyncStart[i] = yres + (((buffer[index+10] & 0xf0) >> 4) | ((buffer[index+11] & 0x0c) << 2));
-            SiS_Pr->CP_VSyncEnd[i] = SiS_Pr->CP_VSyncStart[i] + ((buffer[index+10] & 0x0f) | ((buffer[index+11] & 0x03) << 4));
-            SiS_Pr->CP_VTotal[i] = yres + (buffer[index+6] | ((buffer[index+7] & 0x0f) << 8));
-            SiS_Pr->CP_VBlankStart[i] = yres + 1;
-            SiS_Pr->CP_VBlankEnd[i] = SiS_Pr->CP_VTotal[i];
-
-            SiS_Pr->CP_Clock[i] = (buffer[index] | (buffer[index+1] << 8)) * 10;
-
-            SiS_Pr->CP_DataValid[i] = TRUE;
-
-            if((SiS_Pr->CP_HDisplay[i] & 7)                                             ||
-               (SiS_Pr->CP_HDisplay[i] > SiS_Pr->CP_HSyncStart[i])                      ||
-               (SiS_Pr->CP_HDisplay[i] >= SiS_Pr->CP_HSyncEnd[i])                       ||
-               (SiS_Pr->CP_HDisplay[i] >= SiS_Pr->CP_HTotal[i])                         ||
-               (SiS_Pr->CP_HSyncStart[i] >= SiS_Pr->CP_HSyncEnd[i])                     ||
-               (SiS_Pr->CP_HSyncStart[i] > SiS_Pr->CP_HTotal[i])                        ||
-               (SiS_Pr->CP_HSyncEnd[i] > SiS_Pr->CP_HTotal[i])                          ||
-               (SiS_Pr->CP_VDisplay[i] > SiS_Pr->CP_VSyncStart[i])                      ||
-               (SiS_Pr->CP_VDisplay[i] >= SiS_Pr->CP_VSyncEnd[i])                       ||
-               (SiS_Pr->CP_VDisplay[i] >= SiS_Pr->CP_VTotal[i])                         ||
-               (SiS_Pr->CP_VSyncStart[i] > SiS_Pr->CP_VSyncEnd[i])                      ||
-               (SiS_Pr->CP_VSyncStart[i] > SiS_Pr->CP_VTotal[i])                        ||
-               (SiS_Pr->CP_VSyncEnd[i] > SiS_Pr->CP_VTotal[i])                          ||
-               (((pSiS->VBFlags & VB_301C) && (SiS_Pr->CP_Clock[i] > 162500)) ||
-                ((!(pSiS->VBFlags & VB_301C)) &&
-                 ((SiS_Pr->CP_Clock[i] > 108200) || (SiS_Pr->CP_VDisplay[i] > 1024))))  ||
-               (buffer[index + 17] & 0x80)) {
-
-               SiS_Pr->CP_DataValid[i] = FALSE;
-
-            } else {
-
-               SiS_Pr->CP_HaveCustomData = TRUE;
-
-               if(SiS_Pr->CP_Clock[i] > SiS_Pr->CP_MaxClock) SiS_Pr->CP_MaxClock = SiS_Pr->CP_Clock[i];
-
-               if((SiS_Pr->CP_PreferredX == xres) && (SiS_Pr->CP_PreferredY == yres)) {
-                  SiS_Pr->CP_PreferredIndex = i;
-                  SiS_MakeClockRegs(pSiS->pScrn, SiS_Pr->CP_Clock[i], &SiS_Pr->CP_PrefSR2B, &SiS_Pr->CP_PrefSR2C);
-                  SiS_Pr->CP_PrefClock = (SiS_Pr->CP_Clock[i] / 1000) + 1;
-                  if(!havesync) {
-                     cr37 |= ((((buffer[index + 17] & 0x06) ^ 0x06) << 5) | 0x20);
-                     havesync = TRUE;
-                  }
-               }
-
-               SiS_Pr->CP_HSync_P[i] = (buffer[index + 17] & 0x02) ? TRUE : FALSE;
-               SiS_Pr->CP_VSync_P[i] = (buffer[index + 17] & 0x04) ? TRUE : FALSE;
-               SiS_Pr->CP_SyncValid[i] = TRUE;
-
-            }
-         }
-
-         cr37 |= 0x10;
-
-      }
-
-      break;
-
-   }
-
-   /* 1280x960 panels are always RGB24, unable to scale and use
-    * high active sync polarity
-    */
-   if(pSiS->VGAEngine == SIS_315_VGA) {
-      if(paneltype == Panel310_1280x960) cr37 &= 0x0e;
-   } else {
-      if(paneltype == Panel300_1280x960) cr37 &= 0x0e;
-   }
-
-   for(i = 0; i < 7; i++) {
-      if(SiS_Pr->CP_DataValid[i]) {
-         xf86DrvMsg(pSiS->pScrn->scrnIndex, X_PROBED,
-            "Non-standard LCD/DVI-D timing data no. %d:\n", i);
-         xf86DrvMsg(pSiS->pScrn->scrnIndex, X_PROBED,
-            "   HDisplay %d HSync %d HSyncEnd %d HTotal %d\n",
-            SiS_Pr->CP_HDisplay[i], SiS_Pr->CP_HSyncStart[i],
-            SiS_Pr->CP_HSyncEnd[i], SiS_Pr->CP_HTotal[i]);
-         xf86DrvMsg(pSiS->pScrn->scrnIndex, X_PROBED,
-            "   VDisplay %d VSync %d VSyncEnd %d VTotal %d\n",
-            SiS_Pr->CP_VDisplay[i], SiS_Pr->CP_VSyncStart[i],
-            SiS_Pr->CP_VSyncEnd[i], SiS_Pr->CP_VTotal[i]);
-         xf86DrvMsg(pSiS->pScrn->scrnIndex, X_PROBED,
-            "   Pixel clock: %3.3fMhz\n", (float)SiS_Pr->CP_Clock[i] / 1000);
-         xf86DrvMsg(pSiS->pScrn->scrnIndex, X_INFO,
-            "   To use this, add \"%dx%d\" to the list of Modes in the Screen section\n",
-            SiS_Pr->CP_HDisplay[i],
-            SiS_Pr->CP_VDisplay[i]);
-      }
-   }
-
-   if(paneltype) {
-       if(!SiS_Pr->CP_PreferredX) SiS_Pr->CP_PreferredX = SiS_Pr->CP_MaxX;
-       if(!SiS_Pr->CP_PreferredY) SiS_Pr->CP_PreferredY = SiS_Pr->CP_MaxY;
-       SiS_SetRegOR(SiS_Pr->SiS_P3d4,0x32,0x08);
-       SiS_SetReg(SiS_Pr->SiS_P3d4,0x36,paneltype);
-       cr37 &= 0xf1;
-       SiS_SetRegANDOR(SiS_Pr->SiS_P3d4,0x37,0x0c,cr37);
-       SiS_Pr->PanelSelfDetected = TRUE;
-#ifdef TWDEBUG
-       xf86DrvMsgVerb(pSiS->pScrn->scrnIndex, X_PROBED, 3, 
-           "LCD sense: [DDC LCD results: 0x%02x, 0x%02x]\n", paneltype, cr37);
-#endif  
-   } else {
-       SiS_SetRegAND(SiS_Pr->SiS_P3d4,0x32,~0x08);
-       SiS_SetReg(SiS_Pr->SiS_P3d4,0x36,0x00);
-   }
-   return 0;
-}
-   
-USHORT
-SiS_SenseVGA2DDC(SiS_Private *SiS_Pr, SISPtr pSiS)
-{
-   USHORT DDCdatatype,flag;
-   BOOLEAN foundcrt = FALSE;
-   int retry;
-   unsigned char buffer[256];
-
-   if(!(pSiS->VBFlags & (VB_301|VB_301B|VB_301C|VB_302B))) return 0;
-
-   if(SiS_InitDDCRegs(SiS_Pr, pSiS->VBFlags, pSiS->VGAEngine, 2, 0, FALSE) == 0xFFFF) return 0;
-   
-   SiS_Pr->SiS_DDC_SecAddr = 0x00;
-   
-   /* Probe supported DA's */
-   flag = SiS_ProbeDDC(SiS_Pr);
-   if(flag & 0x10) {
-      SiS_Pr->SiS_DDC_DeviceAddr = 0xa6;        /* EDID V2 (FP) */
-      DDCdatatype = 4;
-   } else if(flag & 0x08) {
-      SiS_Pr->SiS_DDC_DeviceAddr = 0xa2;        /* EDID V2 (P&D-D Monitor) */
-      DDCdatatype = 3;
-   } else if(flag & 0x02) {
-      SiS_Pr->SiS_DDC_DeviceAddr = 0xa0;        /* EDID V1 */
-      DDCdatatype = 1;
-   } else {
-        xf86DrvMsg(pSiS->pScrn->scrnIndex, X_PROBED,
-                "VGA2 sense: Do DDC answer\n");
-        return 0;                               /* no DDC support (or no device attached) */
-   }
-
-   /* Read the entire EDID */
-   retry = 2;
-   do {
-      if(SiS_ReadDDC(SiS_Pr, DDCdatatype, buffer)) {
-         xf86DrvMsg(pSiS->pScrn->scrnIndex, X_PROBED,
-                "VGA2 sense: DDC read failed (attempt %d), %s\n",
-                (3-retry), (retry == 1) ? "giving up" : "retrying");
-         retry--;
-         if(retry == 0) return 0xFFFF;
-      } else break;
-   } while(1);
-
-   /* Analyze EDID. We don't have many chances to
-    * distinguish a flat panel from a CRT...
-    */
-   switch(DDCdatatype) {
-   case 1:
-      if(!(checkedid1(buffer))) {
-          xf86DrvMsg(pSiS->pScrn->scrnIndex, X_ERROR,
-                "VGA2 sense: EDID corrupt\n");
-          return 0;
-      }
-      if(buffer[0x14] & 0x80) {                 /* Display uses digital input */
-          xf86DrvMsg(pSiS->pScrn->scrnIndex, X_ERROR,
-                "VGA2 sense: Attached display expects digital input\n");
-          return 0;
-      }
-      SiS_Pr->CP_Vendor = buffer[9] | (buffer[8] << 8);
-      SiS_Pr->CP_Product = buffer[10] | (buffer[11] << 8);
-      foundcrt = TRUE;
-      break;
-   case 3:
-   case 4:
-      if(!(checkedid2(buffer))) {
-          xf86DrvMsg(pSiS->pScrn->scrnIndex, X_ERROR,
-                "VGA2 sense: EDID corrupt\n");
-          return 0;
-      }
-      if( ((buffer[0x41] & 0x0f) != 0x01) &&    /* Display does not support analog input */
-          ((buffer[0x41] & 0x0f) != 0x02) &&
-          ((buffer[0x41] & 0xf0) != 0x10) &&
-          ((buffer[0x41] & 0xf0) != 0x20) ) {
-          xf86DrvMsg(pSiS->pScrn->scrnIndex, X_ERROR,
-                "VGA2 sense: Attached display does not support analog input (0x%02x)\n",
-                buffer[0x41]);
-          return 0;
-      }
-      SiS_Pr->CP_Vendor = buffer[2] | (buffer[1] << 8);
-      SiS_Pr->CP_Product = buffer[3] | (buffer[4] << 8);
-      foundcrt = TRUE;
-      break;
-   }
-
-   if(foundcrt) {
-      SiS_SetRegOR(SiS_Pr->SiS_P3d4,0x32,0x10);
-   }
-   return(0);
-}
-
-#endif
-
-void
-SiS_SetCH70xxANDOR(SiS_Private *SiS_Pr, USHORT tempax,USHORT tempbh)
-{
-  USHORT tempbl;
-
-  tempbl = SiS_GetCH70xx(SiS_Pr,(tempax & 0x00FF));
-  tempbl = (((tempbl & tempbh) << 8) | tempax);
-  SiS_SetCH70xx(SiS_Pr,tempbl);
-}
-
 /* Generic I2C functions for Chrontel & DDC --------- */
 
 static void
-SiS_SetSwitchDDC2(SiS_Private *SiS_Pr)
+SiS_SetSwitchDDC2(struct SiS_Private *SiS_Pr)
 {
   SiS_SetSCLKHigh(SiS_Pr);
   SiS_WaitRetrace1(SiS_Pr);
@@ -10505,125 +9502,127 @@ SiS_SetSwitchDDC2(SiS_Private *SiS_Pr)
   SiS_WaitRetrace1(SiS_Pr);
 }
 
-USHORT
-SiS_ReadDDC1Bit(SiS_Private *SiS_Pr)
+unsigned short
+SiS_ReadDDC1Bit(struct SiS_Private *SiS_Pr)
 {
    SiS_WaitRetrace1(SiS_Pr);
-   return((SiS_GetReg(SiS_Pr->SiS_P3c4,0x11) & 0x02) >> 1);
+   return ((SiS_GetReg(SiS_Pr->SiS_P3c4,0x11) & 0x02) >> 1);
 }
 
 /* Set I2C start condition */
 /* This is done by a SD high-to-low transition while SC is high */
-static USHORT
-SiS_SetStart(SiS_Private *SiS_Pr)
+static unsigned short
+SiS_SetStart(struct SiS_Private *SiS_Pr)
 {
-  if(SiS_SetSCLKLow(SiS_Pr)) return 0xFFFF;                                /* (SC->low)  */
+  if(SiS_SetSCLKLow(SiS_Pr)) return 0xFFFF;                     /* (SC->low)  */
   SiS_SetRegANDOR(SiS_Pr->SiS_DDC_Port,
-                  SiS_Pr->SiS_DDC_Index,
-                  SiS_Pr->SiS_DDC_NData,
-                  SiS_Pr->SiS_DDC_Data);                                   /* SD->high */
-  if(SiS_SetSCLKHigh(SiS_Pr)) return 0xFFFF;                               /* SC->high */
+                  SiS_Pr->SiS_DDC_Index,
+                  SiS_Pr->SiS_DDC_NData,
+                  SiS_Pr->SiS_DDC_Data);                        /* SD->high */
+  if(SiS_SetSCLKHigh(SiS_Pr)) return 0xFFFF;                    /* SC->high */
   SiS_SetRegANDOR(SiS_Pr->SiS_DDC_Port,
-                  SiS_Pr->SiS_DDC_Index,
-                  SiS_Pr->SiS_DDC_NData,
-                  0x00);                                                   /* SD->low = start condition */
-  if(SiS_SetSCLKHigh(SiS_Pr)) return 0xFFFF;                               /* (SC->low) */
+                  SiS_Pr->SiS_DDC_Index,
+                  SiS_Pr->SiS_DDC_NData,
+                  0x00);                                        /* SD->low = start condition */
+  if(SiS_SetSCLKHigh(SiS_Pr)) return 0xFFFF;                    /* (SC->low) */
   return 0;
 }
 
 /* Set I2C stop condition */
 /* This is done by a SD low-to-high transition while SC is high */
-static USHORT
-SiS_SetStop(SiS_Private *SiS_Pr)
+static unsigned short
+SiS_SetStop(struct SiS_Private *SiS_Pr)
 {
-  if(SiS_SetSCLKLow(SiS_Pr)) return 0xFFFF;                                /* (SC->low) */
+  if(SiS_SetSCLKLow(SiS_Pr)) return 0xFFFF;                     /* (SC->low) */
   SiS_SetRegANDOR(SiS_Pr->SiS_DDC_Port,
-                  SiS_Pr->SiS_DDC_Index,
-                  SiS_Pr->SiS_DDC_NData,
-                  0x00);                                                   /* SD->low   */
-  if(SiS_SetSCLKHigh(SiS_Pr)) return 0xFFFF;                               /* SC->high  */
+                  SiS_Pr->SiS_DDC_Index,
+                  SiS_Pr->SiS_DDC_NData,
+                  0x00);                                        /* SD->low   */
+  if(SiS_SetSCLKHigh(SiS_Pr)) return 0xFFFF;                    /* SC->high  */
   SiS_SetRegANDOR(SiS_Pr->SiS_DDC_Port,
-                  SiS_Pr->SiS_DDC_Index,
-                  SiS_Pr->SiS_DDC_NData,
-                  SiS_Pr->SiS_DDC_Data);                                   /* SD->high = stop condition */
-  if(SiS_SetSCLKHigh(SiS_Pr)) return 0xFFFF;                               /* (SC->high) */
+                  SiS_Pr->SiS_DDC_Index,
+                  SiS_Pr->SiS_DDC_NData,
+                  SiS_Pr->SiS_DDC_Data);                        /* SD->high = stop condition */
+  if(SiS_SetSCLKHigh(SiS_Pr)) return 0xFFFF;                    /* (SC->high) */
   return 0;
 }
 
 /* Write 8 bits of data */
-static USHORT
-SiS_WriteDDC2Data(SiS_Private *SiS_Pr, USHORT tempax)
+static unsigned short
+SiS_WriteDDC2Data(struct SiS_Private *SiS_Pr, unsigned short tempax)
 {
-  USHORT i,flag,temp;
+  unsigned short i,flag,temp;
 
   flag = 0x80;
-  for(i=0; i<8; i++) {
-    SiS_SetSCLKLow(SiS_Pr);                                                   /* SC->low */
+  for(i = 0; i < 8; i++) {
+    SiS_SetSCLKLow(SiS_Pr);                                     /* SC->low */
     if(tempax & flag) {
       SiS_SetRegANDOR(SiS_Pr->SiS_DDC_Port,
-                      SiS_Pr->SiS_DDC_Index,
-                      SiS_Pr->SiS_DDC_NData,
-                      SiS_Pr->SiS_DDC_Data);                                  /* Write bit (1) to SD */
+                      SiS_Pr->SiS_DDC_Index,
+                      SiS_Pr->SiS_DDC_NData,
+                      SiS_Pr->SiS_DDC_Data);                    /* Write bit (1) to SD */
     } else {
       SiS_SetRegANDOR(SiS_Pr->SiS_DDC_Port,
-                      SiS_Pr->SiS_DDC_Index,
-                      SiS_Pr->SiS_DDC_NData,
-                      0x00);                                                  /* Write bit (0) to SD */
+                      SiS_Pr->SiS_DDC_Index,
+                      SiS_Pr->SiS_DDC_NData,
+                      0x00);                                    /* Write bit (0) to SD */
     }
-    SiS_SetSCLKHigh(SiS_Pr);                                                  /* SC->high */
+    SiS_SetSCLKHigh(SiS_Pr);                                    /* SC->high */
     flag >>= 1;
   }
-  temp = SiS_CheckACK(SiS_Pr);                                                /* Check acknowledge */
-  return(temp);
+  temp = SiS_CheckACK(SiS_Pr);                                  /* Check acknowledge */
+  return temp;
 }
 
-static USHORT
-SiS_ReadDDC2Data(SiS_Private *SiS_Pr, USHORT tempax)
+static unsigned short
+SiS_ReadDDC2Data(struct SiS_Private *SiS_Pr)
 {
-  USHORT i,temp,getdata;
+  unsigned short i, temp, getdata;
 
-  getdata=0;
-  for(i=0; i<8; i++) {
+  getdata = 0;
+  for(i = 0; i < 8; i++) {
     getdata <<= 1;
     SiS_SetSCLKLow(SiS_Pr);
     SiS_SetRegANDOR(SiS_Pr->SiS_DDC_Port,
-                    SiS_Pr->SiS_DDC_Index,
-                    SiS_Pr->SiS_DDC_NData,
+                    SiS_Pr->SiS_DDC_Index,
+                    SiS_Pr->SiS_DDC_NData,
                     SiS_Pr->SiS_DDC_Data);
     SiS_SetSCLKHigh(SiS_Pr);
     temp = SiS_GetReg(SiS_Pr->SiS_DDC_Port,SiS_Pr->SiS_DDC_Index);
     if(temp & SiS_Pr->SiS_DDC_Data) getdata |= 0x01;
   }
-  return(getdata);
+  return getdata;
 }
 
-static USHORT
-SiS_SetSCLKLow(SiS_Private *SiS_Pr)
+static unsigned short
+SiS_SetSCLKLow(struct SiS_Private *SiS_Pr)
 {
   SiS_SetRegANDOR(SiS_Pr->SiS_DDC_Port,
-                  SiS_Pr->SiS_DDC_Index,
-                  SiS_Pr->SiS_DDC_NClk,
-                  0x00);                                        /* SetSCLKLow()  */
+                  SiS_Pr->SiS_DDC_Index,
+                  SiS_Pr->SiS_DDC_NClk,
+                  0x00);                                        /* SetSCLKLow()  */
   SiS_DDC2Delay(SiS_Pr,SiS_I2CDELAYSHORT);
   return 0;
 }
 
-static USHORT
-SiS_SetSCLKHigh(SiS_Private *SiS_Pr)
+static unsigned short
+SiS_SetSCLKHigh(struct SiS_Private *SiS_Pr)
 {
-  USHORT temp, watchdog=1000;
+  unsigned short temp, watchdog=1000;
 
   SiS_SetRegANDOR(SiS_Pr->SiS_DDC_Port,
-                  SiS_Pr->SiS_DDC_Index,
-                  SiS_Pr->SiS_DDC_NClk,
+                  SiS_Pr->SiS_DDC_Index,
+                  SiS_Pr->SiS_DDC_NClk,
                   SiS_Pr->SiS_DDC_Clk);                         /* SetSCLKHigh()  */
   do {
     temp = SiS_GetReg(SiS_Pr->SiS_DDC_Port,SiS_Pr->SiS_DDC_Index);
   } while((!(temp & SiS_Pr->SiS_DDC_Clk)) && --watchdog);
   if (!watchdog) {
+#ifdef SIS_XORG_XF86
 #ifdef TWDEBUG
         xf86DrvMsg(0, X_INFO, "SetClkHigh failed\n");
 #endif
+#endif
         return 0xFFFF;
   }
   SiS_DDC2Delay(SiS_Pr,SiS_I2CDELAYSHORT);
@@ -10632,21 +9631,21 @@ SiS_SetSCLKHigh(SiS_Private *SiS_Pr)
 
 /* Check I2C acknowledge */
 /* Returns 0 if ack ok, non-0 if ack not ok */
-static USHORT
-SiS_CheckACK(SiS_Private *SiS_Pr)
+static unsigned short
+SiS_CheckACK(struct SiS_Private *SiS_Pr)
 {
-  USHORT tempah;
+  unsigned short tempah;
 
   SiS_SetSCLKLow(SiS_Pr);                                          /* (SC->low) */
   SiS_SetRegANDOR(SiS_Pr->SiS_DDC_Port,
-                  SiS_Pr->SiS_DDC_Index,
-                  SiS_Pr->SiS_DDC_NData,
-                  SiS_Pr->SiS_DDC_Data);                           /* (SD->high) */
+                  SiS_Pr->SiS_DDC_Index,
+                  SiS_Pr->SiS_DDC_NData,
+                  SiS_Pr->SiS_DDC_Data);                           /* (SD->high) */
   SiS_SetSCLKHigh(SiS_Pr);                                         /* SC->high = clock impulse for ack */
   tempah = SiS_GetReg(SiS_Pr->SiS_DDC_Port,SiS_Pr->SiS_DDC_Index); /* Read SD */
   SiS_SetSCLKLow(SiS_Pr);                                          /* SC->low = end of clock impulse */
-  if(tempah & SiS_Pr->SiS_DDC_Data) return(1);                     /* Ack OK if bit = 0 */
-  else return(0);
+  if(tempah & SiS_Pr->SiS_DDC_Data) return 1;                      /* Ack OK if bit = 0 */
+  return 0;
 }
 
 /* End of I2C functions ----------------------- */
@@ -10656,67 +9655,67 @@ SiS_CheckACK(SiS_Private *SiS_Pr)
 
 #ifdef SIS315H
 
-static USHORT
-GetRAMDACromptr(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+static unsigned short
+GetRAMDACromptr(struct SiS_Private *SiS_Pr)
 {
-  UCHAR  *ROMAddr = HwInfo->pjVirtualRomBase;
-  USHORT romptr;
+  unsigned char  *ROMAddr = SiS_Pr->VirtualRomBase;
+  unsigned short romptr;
 
-  if(HwInfo->jChipType < SIS_330) {
+  if(SiS_Pr->ChipType < SIS_330) {
      romptr = SISGETROMW(0x128);
-     if(SiS_Pr->SiS_VBType & VB_SIS301B302B)
+     if(SiS_Pr->SiS_VBType & VB_SIS30xB)
         romptr = SISGETROMW(0x12a);
   } else {
      romptr = SISGETROMW(0x1a8);
-     if(SiS_Pr->SiS_VBType & VB_SIS301B302B)
+     if(SiS_Pr->SiS_VBType & VB_SIS30xB)
         romptr = SISGETROMW(0x1aa);
   }
-  return(romptr);
+  return romptr;
 }
 
-static USHORT
-GetLCDromptr(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+static unsigned short
+GetLCDromptr(struct SiS_Private *SiS_Pr)
 {
-  UCHAR  *ROMAddr = HwInfo->pjVirtualRomBase;
-  USHORT romptr;
+  unsigned char  *ROMAddr = SiS_Pr->VirtualRomBase;
+  unsigned short romptr;
 
-  if(HwInfo->jChipType < SIS_330) {
+  if(SiS_Pr->ChipType < SIS_330) {
      romptr = SISGETROMW(0x120);
-     if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV)
+     if(SiS_Pr->SiS_VBType & VB_SIS30xBLV)
         romptr = SISGETROMW(0x122);
   } else {
      romptr = SISGETROMW(0x1a0);
-     if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV)
+     if(SiS_Pr->SiS_VBType & VB_SIS30xBLV)
         romptr = SISGETROMW(0x1a2);
   }
-  return(romptr);
+  return romptr;
 }
 
-static USHORT
-GetTVromptr(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+static unsigned short
+GetTVromptr(struct SiS_Private *SiS_Pr)
 {
-  UCHAR  *ROMAddr = HwInfo->pjVirtualRomBase;
-  USHORT romptr;
+  unsigned char  *ROMAddr = SiS_Pr->VirtualRomBase;
+  unsigned short romptr;
 
-  if(HwInfo->jChipType < SIS_330) {
+  if(SiS_Pr->ChipType < SIS_330) {
      romptr = SISGETROMW(0x114);
-     if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV)
+     if(SiS_Pr->SiS_VBType & VB_SIS30xBLV)
         romptr = SISGETROMW(0x11a);
   } else {
      romptr = SISGETROMW(0x194);
-     if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV)
+     if(SiS_Pr->SiS_VBType & VB_SIS30xBLV)
         romptr = SISGETROMW(0x19a);
   }
-  return(romptr);
+  return romptr;
 }
 
-static USHORT
-GetLCDPtrIndexBIOS(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+static unsigned short
+GetLCDPtrIndexBIOS(struct SiS_Private *SiS_Pr)
 {
-  USHORT index;
+  unsigned short index;
 
-  if((IS_SIS650) && (SiS_Pr->SiS_VBType & VB_SIS301LV302LV)) {
-     if(!(SiS_IsNotM650orLater(SiS_Pr, HwInfo))) {
+  if((IS_SIS650) && (SiS_Pr->SiS_VBType & VB_SISLVDS)) {
+     if(!(SiS_IsNotM650orLater(SiS_Pr))) {
         if((index = SiS_GetReg(SiS_Pr->SiS_P3d4,0x36) & 0xf0)) {
            index >>= 4;
            index *= 3;
@@ -10729,7 +9728,12 @@ GetLCDPtrIndexBIOS(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
 
   index = SiS_GetBIOSLCDResInfo(SiS_Pr) & 0x0F;
   if(SiS_Pr->SiS_LCDResInfo == Panel_1400x1050)      index -= 5;
-  else if(SiS_Pr->SiS_LCDResInfo == Panel_1600x1200) index -= 6;
+  if(SiS_Pr->SiS_VBType & VB_SIS301C) {  /* 1.15.20 and later (not VB specific) */
+     if(SiS_Pr->SiS_LCDResInfo == Panel_1600x1200) index -= 5;
+     if(SiS_Pr->SiS_LCDResInfo == Panel_1280x768) index -= 5;
+  } else {
+     if(SiS_Pr->SiS_LCDResInfo == Panel_1600x1200) index -= 6;
+  }
   index--;
   index *= 3;
   if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) index += 2;
@@ -10737,10 +9741,10 @@ GetLCDPtrIndexBIOS(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
   return index;
 }
 
-static USHORT
-GetLCDPtrIndex(SiS_Private *SiS_Pr)
+static unsigned short
+GetLCDPtrIndex(struct SiS_Private *SiS_Pr)
 {
-  USHORT index;
+  unsigned short index;
 
   index = ((SiS_GetBIOSLCDResInfo(SiS_Pr) & 0x0F) - 1) * 3;
   if(SiS_Pr->SiS_LCDInfo & DontExpandLCD)         index += 2;
@@ -10748,10 +9752,10 @@ GetLCDPtrIndex(SiS_Private *SiS_Pr)
   return index;
 }
 
-static USHORT
-GetTVPtrIndex(SiS_Private *SiS_Pr)
+static unsigned short
+GetTVPtrIndex(struct SiS_Private *SiS_Pr)
 {
-  USHORT index;
+  unsigned short index;
 
   index = 0;
   if(SiS_Pr->SiS_TVMode & TVSetPAL) index = 1;
@@ -10769,10 +9773,10 @@ GetTVPtrIndex(SiS_Private *SiS_Pr)
   return index;
 }
 
-static ULONG
-GetOEMTVPtr661_2_GEN(SiS_Private *SiS_Pr, int addme)
+static unsigned int
+GetOEMTVPtr661_2_GEN(struct SiS_Private *SiS_Pr, int addme)
 {
-   USHORT index = 0, temp = 0;
+   unsigned short index = 0, temp = 0;
 
    if(SiS_Pr->SiS_TVMode & TVSetPAL)   index = 1;
    if(SiS_Pr->SiS_TVMode & TVSetPALM)  index = 2;
@@ -10784,7 +9788,7 @@ GetOEMTVPtr661_2_GEN(SiS_Private *SiS_Pr, int addme)
       if(SiS_Pr->SiS_TVMode & TVSetNTSCJ) index = 7;
    }
 
-   if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {
+   if(SiS_Pr->SiS_VBType & VB_SIS30xBLV) {
       if((!(SiS_Pr->SiS_VBInfo & SetInSlaveMode)) ||
          (SiS_Pr->SiS_TVMode & TVSetTVSimuMode)) {
          index += addme;
@@ -10792,25 +9796,25 @@ GetOEMTVPtr661_2_GEN(SiS_Private *SiS_Pr, int addme)
       }
       temp += 0x0100;
    }
-   return(ULONG)(index | (temp << 16));
+   return (unsigned int)(index | (temp << 16));
 }
 
-static ULONG
-GetOEMTVPtr661_2_OLD(SiS_Private *SiS_Pr)
+static unsigned int
+GetOEMTVPtr661_2_OLD(struct SiS_Private *SiS_Pr)
 {
-   return(GetOEMTVPtr661_2_GEN(SiS_Pr, 8));
+   return (GetOEMTVPtr661_2_GEN(SiS_Pr, 8));
 }
 
 #if 0
-static ULONG
-GetOEMTVPtr661_2_NEW(SiS_Private *SiS_Pr)
+static unsigned int
+GetOEMTVPtr661_2_NEW(struct SiS_Private *SiS_Pr)
 {
-   return(GetOEMTVPtr661_2_GEN(SiS_Pr, 6));
+   return (GetOEMTVPtr661_2_GEN(SiS_Pr, 6));
 }
 #endif
 
 static int
-GetOEMTVPtr661(SiS_Private *SiS_Pr)
+GetOEMTVPtr661(struct SiS_Private *SiS_Pr)
 {
    int index = 0;
 
@@ -10833,10 +9837,10 @@ GetOEMTVPtr661(SiS_Private *SiS_Pr)
 }
 
 static void
-SetDelayComp(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT ModeNo)
+SetDelayComp(struct SiS_Private *SiS_Pr, unsigned short ModeNo)
 {
-  UCHAR  *ROMAddr = HwInfo->pjVirtualRomBase;
-  USHORT delay=0,index,myindex,temp,romptr=0;
+  unsigned char  *ROMAddr = SiS_Pr->VirtualRomBase;
+  unsigned short delay=0,index,myindex,temp,romptr=0;
   BOOLEAN dochiptest = TRUE;
 
   if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA) {
@@ -10848,19 +9852,19 @@ SetDelayComp(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT ModeNo)
   /* Find delay (from ROM, internal tables, PCI subsystem) */
 
   if(SiS_Pr->SiS_VBInfo & SetCRT2ToRAMDAC) {                    /* ------------ VGA */
-     
+
      if((SiS_Pr->SiS_UseROM) && (!(SiS_Pr->SiS_ROMNew))) {
-        romptr = GetRAMDACromptr(SiS_Pr, HwInfo);
+        romptr = GetRAMDACromptr(SiS_Pr);
      }
      if(romptr) delay = ROMAddr[romptr];
      else {
         delay = 0x04;
-        if(SiS_Pr->SiS_VBType & VB_SIS301B302B) {
+        if(SiS_Pr->SiS_VBType & VB_SIS30xB) {
            if(IS_SIS650) {
               delay = 0x0a;
            } else if(IS_SIS740) {
               delay = 0x00;
-           } else if(HwInfo->jChipType < SIS_330) {
+           } else if(SiS_Pr->ChipType < SIS_330) {
               delay = 0x0c;
            } else {
               delay = 0x0c;
@@ -10901,8 +9905,12 @@ SetDelayComp(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT ModeNo)
            SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x2d,0x0f,delay);
         } else {
            delay = 0x0c;
-           if(SiS_Pr->SiS_VBType & VB_SIS301C) delay = 0x03;
-           else if(SiS_Pr->SiS_VBType & VB_SIS301LV302LV) {
+           if(SiS_Pr->SiS_VBType & VB_SIS301C) {
+              delay = 0x03;
+              if((SiS_Pr->PanelXRes > 1280) && (SiS_Pr->PanelYRes > 1024)) {
+                 delay = 0x00;
+              }
+           } else if(SiS_Pr->SiS_VBType & VB_SISLVDS) {
               if(IS_SIS740) delay = 0x01;
               else          delay = 0x03;
            }
@@ -10947,12 +9955,12 @@ SetDelayComp(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT ModeNo)
 
      if(!gotitfrompci) {
 
-        index = GetLCDPtrIndexBIOS(SiS_Pr, HwInfo);
+        index = GetLCDPtrIndexBIOS(SiS_Pr);
         myindex = GetLCDPtrIndex(SiS_Pr);
 
-        if(IS_SIS650 && (SiS_Pr->SiS_VBType & VB_SIS301LV302LV)) {
+        if(IS_SIS650 && (SiS_Pr->SiS_VBType & VB_SISLVDS)) {
 
-           if(SiS_IsNotM650orLater(SiS_Pr, HwInfo)) {
+           if(SiS_IsNotM650orLater(SiS_Pr)) {
 
               if((SiS_Pr->SiS_UseROM) && (!(SiS_Pr->SiS_ROMNew))) {
                  /* Always use the second pointer on 650; some BIOSes */
@@ -10978,11 +9986,12 @@ SetDelayComp(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT ModeNo)
                   (!(SiS_Pr->SiS_ROMNew))                     &&
                   (SiS_Pr->SiS_LCDResInfo != Panel_1280x1024) &&
                   (SiS_Pr->SiS_LCDResInfo != Panel_1280x768)  &&
-                  (SiS_Pr->SiS_LCDResInfo != Panel_1280x960)) {
+                  (SiS_Pr->SiS_LCDResInfo != Panel_1280x960)  &&
+                  (SiS_Pr->SiS_LCDResInfo != Panel_1600x1200)  &&
+                  ((romptr = GetLCDromptr(SiS_Pr)))) {
 
            /* Data for 1280x1024 wrong in 301B BIOS */
-           romptr = GetLCDromptr(SiS_Pr, HwInfo);
-           if(!romptr) return;
+           /* Data for 1600x1200 wrong in 301C BIOS */
            delay = ROMAddr[(romptr + index)];
 
         } else if(SiS_Pr->SiS_IF_DEF_LVDS == 1) {
@@ -10993,14 +10002,15 @@ SetDelayComp(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT ModeNo)
         } else {
 
            delay = SiS310_LCDDelayCompensation_301[myindex];
-           if(SiS_Pr->SiS_VBType & VB_SIS301LV302LV) {
+           if(SiS_Pr->SiS_VBType & VB_SISLVDS) {
               if(IS_SIS740) delay = 0x01;
-              else if(HwInfo->jChipType <= SIS_315PRO) delay = SiS310_LCDDelayCompensation_3xx301LV[myindex];
+              else if(SiS_Pr->ChipType <= SIS_315PRO) delay = SiS310_LCDDelayCompensation_3xx301LV[myindex];
               else          delay = SiS310_LCDDelayCompensation_650301LV[myindex];
            } else if(SiS_Pr->SiS_VBType & VB_SIS301C) {
               if(IS_SIS740) delay = 0x01;  /* ? */
               else          delay = 0x03;
-           } else if(SiS_Pr->SiS_VBType & VB_SIS301B302B) {
+              if(SiS_Pr->SiS_LCDResInfo == Panel_1600x1200) delay = 0x00; /* experience */
+           } else if(SiS_Pr->SiS_VBType & VB_SIS30xB) {
               if(IS_SIS740) delay = 0x01;
               else          delay = SiS310_LCDDelayCompensation_3xx301B[myindex];
            }
@@ -11013,14 +10023,14 @@ SetDelayComp(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT ModeNo)
         SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x2D,0x0F,((delay << 4) & 0xf0));
         dochiptest = FALSE;
      }
-     
+
   } else if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {                 /* ------------ TV */
 
      index = GetTVPtrIndex(SiS_Pr);
-     
-     if(IS_SIS650 && (SiS_Pr->SiS_VBType & VB_SIS301LV302LV)) {
 
-        if(SiS_IsNotM650orLater(SiS_Pr,HwInfo)) {
+     if(IS_SIS650 && (SiS_Pr->SiS_VBType & VB_SISLVDS)) {
+
+        if(SiS_IsNotM650orLater(SiS_Pr)) {
 
            if((SiS_Pr->SiS_UseROM) && (!(SiS_Pr->SiS_ROMNew))) {
               /* Always use the second pointer on 650; some BIOSes */
@@ -11062,7 +10072,7 @@ SetDelayComp(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT ModeNo)
 
      } else if((SiS_Pr->SiS_UseROM) && (!(SiS_Pr->SiS_ROMNew))) {
 
-        romptr = GetTVromptr(SiS_Pr, HwInfo);
+        romptr = GetTVromptr(SiS_Pr);
         if(!romptr) return;
         delay = ROMAddr[romptr + index];
 
@@ -11073,7 +10083,7 @@ SetDelayComp(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT ModeNo)
      } else {
 
         delay = SiS310_TVDelayCompensation_301[index];
-        if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {
+        if(SiS_Pr->SiS_VBType & VB_SIS30xBLV) {
            if(IS_SIS740) {
               delay = SiS310_TVDelayCompensation_740301B[index];
               /* LV: use 301 data? BIOS bug? */
@@ -11085,18 +10095,18 @@ SetDelayComp(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT ModeNo)
 
      }
 
-     if(SiS_LCDAEnabled(SiS_Pr, HwInfo)) {
+     if(SiS_LCDAEnabled(SiS_Pr)) {
         delay &= 0x0f;
         dochiptest = FALSE;
      }
-    
+
   } else return;
 
   /* Write delay */
 
   if(SiS_Pr->SiS_VBType & VB_SISVB) {
 
-     if(IS_SIS650 && (SiS_Pr->SiS_VBType & VB_SIS301LV302LV) && dochiptest) {
+     if(IS_SIS650 && (SiS_Pr->SiS_VBType & VB_SISLVDS) && dochiptest) {
 
         temp = (SiS_GetReg(SiS_Pr->SiS_P3d4,0x36) & 0xf0) >> 4;
         if(temp == 8) {         /* 1400x1050 BIOS (COMPAL) */
@@ -11134,11 +10144,10 @@ SetDelayComp(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT ModeNo)
 }
 
 static void
-SetAntiFlicker(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
-               USHORT ModeNo,USHORT ModeIdIndex)
+SetAntiFlicker(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex)
 {
-  UCHAR  *ROMAddr = HwInfo->pjVirtualRomBase;
-  USHORT index,temp,temp1,romptr=0;
+  unsigned char  *ROMAddr = SiS_Pr->VirtualRomBase;
+  unsigned short index,temp,temp1,romptr=0;
 
   if(SiS_Pr->SiS_TVMode & (TVSetYPbPr750p|TVSetYPbPr525p)) return;
 
@@ -11152,14 +10161,14 @@ SetAntiFlicker(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
   temp1 = temp;
 
   if(SiS_Pr->SiS_UseROM && (!(SiS_Pr->SiS_ROMNew))) {
-     if(HwInfo->jChipType >= SIS_661) {
+     if(SiS_Pr->ChipType >= SIS_661) {
         temp1 = GetOEMTVPtr661(SiS_Pr);
         temp1 >>= 1;
         romptr = SISGETROMW(0x260);
-        if(HwInfo->jChipType >= SIS_760) {
+        if(SiS_Pr->ChipType >= SIS_760) {
            romptr = SISGETROMW(0x360);
         }
-     } else if(HwInfo->jChipType >= SIS_330) {
+     } else if(SiS_Pr->ChipType >= SIS_330) {
         romptr = SISGETROMW(0x192);
      } else {
         romptr = SISGETROMW(0x112);
@@ -11178,11 +10187,10 @@ SetAntiFlicker(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
 }
 
 static void
-SetEdgeEnhance(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
-               USHORT ModeNo,USHORT ModeIdIndex)
+SetEdgeEnhance(struct SiS_Private *SiS_Pr, unsigned short ModeNo,unsigned short ModeIdIndex)
 {
-  UCHAR  *ROMAddr = HwInfo->pjVirtualRomBase;
-  USHORT index,temp,temp1,romptr=0;
+  unsigned char  *ROMAddr = SiS_Pr->VirtualRomBase;
+  unsigned short index,temp,temp1,romptr=0;
 
   temp = temp1 = GetTVPtrIndex(SiS_Pr) >> 1;    /* 0: NTSC/YPbPr, 1: PAL, 2: HiTV */
 
@@ -11192,14 +10200,14 @@ SetEdgeEnhance(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
      index = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].VB_ExtTVEdgeIndex;
 
   if(SiS_Pr->SiS_UseROM && (!(SiS_Pr->SiS_ROMNew))) {
-     if(HwInfo->jChipType >= SIS_661) {
+     if(SiS_Pr->ChipType >= SIS_661) {
         romptr = SISGETROMW(0x26c);
-        if(HwInfo->jChipType >= SIS_760) {
+        if(SiS_Pr->ChipType >= SIS_760) {
            romptr = SISGETROMW(0x36c);
         }
         temp1 = GetOEMTVPtr661(SiS_Pr);
         temp1 >>= 1;
-     } else if(HwInfo->jChipType >= SIS_330) {
+     } else if(SiS_Pr->ChipType >= SIS_330) {
         romptr = SISGETROMW(0x1a4);
      } else {
         romptr = SISGETROMW(0x124);
@@ -11217,10 +10225,9 @@ SetEdgeEnhance(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
 }
 
 static void
-SetYFilter(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
-           USHORT ModeNo,USHORT ModeIdIndex)
+SetYFilter(struct SiS_Private *SiS_Pr, unsigned short ModeNo,unsigned short ModeIdIndex)
 {
-  USHORT index, temp, i, j;
+  unsigned short index, temp, i, j;
 
   if(ModeNo <= 0x13) {
      index = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].VB_StTVYFilterIndex;
@@ -11235,7 +10242,7 @@ SetYFilter(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
   else if(SiS_Pr->SiS_TVMode & TVSetPALN)    temp = 4;  /* PAL-N */
   if(SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision) temp = 1;  /* HiVision uses PAL */
 
-  if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {
+  if(SiS_Pr->SiS_VBType & VB_SIS30xBLV) {
      for(i=0x35, j=0; i<=0x38; i++, j++) {
         SiS_SetReg(SiS_Pr->SiS_Part2Port,i,SiS310_TVYFilter2[temp][index][j]);
      }
@@ -11250,23 +10257,22 @@ SetYFilter(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
 }
 
 static void
-SetPhaseIncr(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
-             USHORT ModeNo,USHORT ModeIdIndex)
+SetPhaseIncr(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex)
 {
-  UCHAR  *ROMAddr = HwInfo->pjVirtualRomBase;
-  USHORT index,temp,i,j,resinfo,romptr=0;
-  ULONG  lindex;
+  unsigned char  *ROMAddr = SiS_Pr->VirtualRomBase;
+  unsigned short index,temp,i,j,resinfo,romptr=0;
+  unsigned int  lindex;
 
   if(!(SiS_Pr->SiS_VBInfo & SetCRT2ToTV)) return;
 
   /* NTSC-J data not in BIOS, and already set in SetGroup2 */
   if(SiS_Pr->SiS_TVMode & TVSetNTSCJ) return;
 
-  if((HwInfo->jChipType >= SIS_661) || SiS_Pr->SiS_ROMNew) {
+  if((SiS_Pr->ChipType >= SIS_661) || SiS_Pr->SiS_ROMNew) {
      lindex = GetOEMTVPtr661_2_OLD(SiS_Pr) & 0xffff;
      lindex <<= 2;
      for(j=0, i=0x31; i<=0x34; i++, j++) {
-        SiS_SetReg(SiS_Pr->SiS_Part2Port,i,SiS661_TVPhase[lindex + j]);
+        SiS_SetReg(SiS_Pr->SiS_Part2Port,i,SiS_TVPhase[lindex + j]);
      }
      return;
   }
@@ -11286,17 +10292,17 @@ SetPhaseIncr(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
    */
   if(SiS_Pr->SiS_UseROM) {
      romptr = SISGETROMW(0x116);
-     if(HwInfo->jChipType >= SIS_330) {
+     if(SiS_Pr->ChipType >= SIS_330) {
         romptr = SISGETROMW(0x196);
      }
-     if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {
+     if(SiS_Pr->SiS_VBType & VB_SIS30xBLV) {
         romptr = SISGETROMW(0x11c);
-        if(HwInfo->jChipType >= SIS_330) {
+        if(SiS_Pr->ChipType >= SIS_330) {
            romptr = SISGETROMW(0x19c);
         }
         if((SiS_Pr->SiS_VBInfo & SetInSlaveMode) && (!(SiS_Pr->SiS_TVMode & TVSetTVSimuMode))) {
            romptr = SISGETROMW(0x116);
-           if(HwInfo->jChipType >= SIS_330) {
+           if(SiS_Pr->ChipType >= SIS_330) {
               romptr = SISGETROMW(0x196);
            }
         }
@@ -11311,7 +10317,7 @@ SetPhaseIncr(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
      index = temp % 2;
      temp >>= 1;          /* 0:NTSC, 1:PAL, 2:HiTV */
      for(j=0, i=0x31; i<=0x34; i++, j++) {
-        if(!(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV))
+        if(!(SiS_Pr->SiS_VBType & VB_SIS30xBLV))
            SiS_SetReg(SiS_Pr->SiS_Part2Port,i,SiS310_TVPhaseIncr1[temp][index][j]);
         else if((!(SiS_Pr->SiS_VBInfo & SetInSlaveMode)) || (SiS_Pr->SiS_TVMode & TVSetTVSimuMode))
            SiS_SetReg(SiS_Pr->SiS_Part2Port,i,SiS310_TVPhaseIncr2[temp][index][j]);
@@ -11320,7 +10326,7 @@ SetPhaseIncr(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
      }
   }
 
-  if((SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) && (!(SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision))) {
+  if((SiS_Pr->SiS_VBType & VB_SIS30xBLV) && (!(SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision))) {
      if((!(SiS_Pr->SiS_TVMode & (TVSetPAL | TVSetYPbPr525p | TVSetYPbPr750p))) && (ModeNo > 0x13)) {
         if((resinfo == SIS_RI_640x480) ||
            (resinfo == SIS_RI_800x600)) {
@@ -11339,11 +10345,11 @@ SetPhaseIncr(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
 }
 
 static void
-SetDelayComp661(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT ModeNo,
-                USHORT ModeIdIndex, USHORT RTI)
+SetDelayComp661(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
+                unsigned short ModeIdIndex, unsigned short RTI)
 {
-   USHORT delay = 0, romptr = 0, index, lcdpdcindex;
-   UCHAR  *ROMAddr = HwInfo->pjVirtualRomBase;
+   unsigned short delay = 0, romptr = 0, index, lcdpdcindex;
+   unsigned char  *ROMAddr = SiS_Pr->VirtualRomBase;
 
    if(!(SiS_Pr->SiS_VBInfo & (SetCRT2ToTV | SetCRT2ToLCD | SetCRT2ToLCDA | SetCRT2ToRAMDAC)))
       return;
@@ -11359,7 +10365,7 @@ SetDelayComp661(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT ModeNo,
          if(SiS_Pr->UseCustomMode) {
             index = SiS_Pr->CSRClock;
          } else if(ModeNo > 0x13) {
-            index = SiS_GetVCLK2Ptr(SiS_Pr,ModeNo,ModeIdIndex,RTI,HwInfo);
+            index = SiS_GetVCLK2Ptr(SiS_Pr,ModeNo,ModeIdIndex,RTI);
             index = SiS_Pr->SiS_VCLKData[index].CLOCK;
          }
          if(index < 25) index = 25;
@@ -11387,7 +10393,36 @@ SetDelayComp661(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT ModeNo,
    else                      delay = (SiS_Pr->SiS_RefIndex[RTI].Ext_PDC >> 4);
    delay |= (delay << 8);
 
-   if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
+   if(SiS_Pr->ChipType >= XGI_20) {
+
+      delay = 0x0606;
+      if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
+
+         delay = 0x0404;
+         if(SiS_Pr->SiS_XGIROM) {
+             index = GetTVPtrIndex(SiS_Pr);
+             if((romptr = SISGETROMW(0x35e))) {
+                delay = (ROMAddr[romptr + index] & 0x0f) << 1;
+                delay |= (delay << 8);
+             }
+         }
+
+         if(SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision) {
+            if(SiS_Pr->ChipType == XGI_40 && SiS_Pr->ChipRevision == 0x02) {
+               delay -= 0x0404;
+            }
+         }
+      }
+
+   } else if(SiS_Pr->ChipType >= SIS_340) {
+
+      delay = 0x0606;
+      if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
+         delay = 0x0404;
+      }
+      /* TODO (eventually) */
+
+   } else if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
 
       /* 3. TV */
 
@@ -11406,7 +10441,7 @@ SetDelayComp661(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT ModeNo,
       /* 4. LCD, LCDA (for new ROM only LV and non-Pass 1:1) */
 
       if( (SiS_Pr->SiS_LCDResInfo != Panel_Custom) &&
-          ((romptr = GetLCDStructPtr661_2(SiS_Pr, HwInfo))) ) {
+          ((romptr = GetLCDStructPtr661_2(SiS_Pr))) ) {
 
          lcdpdcindex = (SiS_Pr->SiS_VBType & VB_UMC) ? 14 : 12;
 
@@ -11426,6 +10461,7 @@ SetDelayComp661(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT ModeNo,
             case Panel_1280x768_2:delay = 0x0004; break;
             case Panel_1280x800:
             case Panel_1280x800_2:delay = 0x0004; break; /* Verified for 1280x800 */
+            case Panel_1280x854:  delay = 0x0004; break; /* FIXME */
             case Panel_1280x1024: delay = 0x1e04; break;
             case Panel_1400x1050: delay = 0x0004; break;
             case Panel_1600x1200: delay = 0x0400; break;
@@ -11469,10 +10505,10 @@ SetDelayComp661(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT ModeNo,
 }
 
 static void
-SetCRT2SyncDither661(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT ModeNo, USHORT RTI)
+SetCRT2SyncDither661(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short RTI)
 {
-   USHORT infoflag;
-   UCHAR temp;
+   unsigned short infoflag;
+   unsigned char  temp;
 
    if(SiS_Pr->SiS_VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) {
 
@@ -11513,12 +10549,16 @@ SetCRT2SyncDither661(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT ModeNo, US
 }
 
 static void
-SetPanelParms661(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+SetPanelParms661(struct SiS_Private *SiS_Pr)
 {
-   UCHAR  *ROMAddr = HwInfo->pjVirtualRomBase;
-   USHORT romptr, temp1, temp2;
+   unsigned char  *ROMAddr = SiS_Pr->VirtualRomBase;
+   unsigned short romptr, temp1, temp2;
+
+   if(SiS_Pr->SiS_VBType & (VB_SISLVDS | VB_SIS30xC)) {
+      SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x24,0x0f);
+   }
 
-   if(SiS_Pr->SiS_VBType & (VB_SIS301LV | VB_SIS302LV | VB_SIS302ELV)) {
+   if(SiS_Pr->SiS_VBType & VB_SISLVDS) {
       if(SiS_Pr->LVDSHL != -1) {
          SiS_SetRegANDOR(SiS_Pr->SiS_Part4Port,0x24,0xfc,SiS_Pr->LVDSHL);
       }
@@ -11526,8 +10566,8 @@ SetPanelParms661(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
 
    if(SiS_Pr->SiS_ROMNew) {
 
-      if((romptr = GetLCDStructPtr661_2(SiS_Pr, HwInfo))) {
-         if(SiS_Pr->SiS_VBType & (VB_SIS301LV | VB_SIS302LV | VB_SIS302ELV)) {
+      if((romptr = GetLCDStructPtr661_2(SiS_Pr))) {
+         if(SiS_Pr->SiS_VBType & VB_SISLVDS) {
             temp1 = (ROMAddr[romptr] & 0x03) | 0x0c;
             temp2 = 0xfc;
             if(SiS_Pr->LVDSHL != -1) {
@@ -11546,48 +10586,47 @@ SetPanelParms661(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
 }
 
 static void
-SiS_OEM310Setting(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
-                  USHORT ModeNo,USHORT ModeIdIndex,USHORT RRTI)
+SiS_OEM310Setting(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex, unsigned short RRTI)
 {
    if((SiS_Pr->SiS_ROMNew) && (SiS_Pr->SiS_VBType & VB_SISLVDS)) {
-      SetDelayComp661(SiS_Pr,HwInfo,ModeNo,ModeIdIndex,RRTI);
+      SetDelayComp661(SiS_Pr, ModeNo, ModeIdIndex, RRTI);
       if(SiS_Pr->SiS_VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) {
-         SetCRT2SyncDither661(SiS_Pr,HwInfo,ModeNo,RRTI);
-         SetPanelParms661(SiS_Pr,HwInfo);
+         SetCRT2SyncDither661(SiS_Pr, ModeNo, RRTI);
+         SetPanelParms661(SiS_Pr);
       }
    } else {
-      SetDelayComp(SiS_Pr,HwInfo,ModeNo);
+      SetDelayComp(SiS_Pr,ModeNo);
    }
 
    if((SiS_Pr->SiS_VBType & VB_SISVB) && (SiS_Pr->SiS_VBInfo & SetCRT2ToTV)) {
-      SetAntiFlicker(SiS_Pr,HwInfo,ModeNo,ModeIdIndex);
-      SetPhaseIncr(SiS_Pr,HwInfo,ModeNo,ModeIdIndex);
-      SetYFilter(SiS_Pr,HwInfo,ModeNo,ModeIdIndex);
+      SetAntiFlicker(SiS_Pr,ModeNo,ModeIdIndex);
+      SetPhaseIncr(SiS_Pr,ModeNo,ModeIdIndex);
+      SetYFilter(SiS_Pr,ModeNo,ModeIdIndex);
       if(SiS_Pr->SiS_VBType & VB_SIS301) {
-         SetEdgeEnhance(SiS_Pr,HwInfo,ModeNo,ModeIdIndex);
+         SetEdgeEnhance(SiS_Pr,ModeNo,ModeIdIndex);
       }
    }
 }
 
 static void
-SiS_OEM661Setting(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
-                  USHORT ModeNo,USHORT ModeIdIndex, USHORT RRTI)
+SiS_OEM661Setting(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
+                        unsigned short ModeIdIndex, unsigned short RRTI)
 {
    if(SiS_Pr->SiS_VBType & VB_SISVB) {
 
-      SetDelayComp661(SiS_Pr,HwInfo,ModeNo,ModeIdIndex,RRTI);
+      SetDelayComp661(SiS_Pr, ModeNo, ModeIdIndex, RRTI);
 
       if(SiS_Pr->SiS_VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) {
-         SetCRT2SyncDither661(SiS_Pr,HwInfo,ModeNo,RRTI);
-         SetPanelParms661(SiS_Pr,HwInfo);
+         SetCRT2SyncDither661(SiS_Pr, ModeNo, RRTI);
+         SetPanelParms661(SiS_Pr);
       }
 
       if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
-         SetPhaseIncr(SiS_Pr,HwInfo,ModeNo,ModeIdIndex);
-         SetYFilter(SiS_Pr,HwInfo,ModeNo,ModeIdIndex);
-         SetAntiFlicker(SiS_Pr,HwInfo,ModeNo,ModeIdIndex);
+         SetPhaseIncr(SiS_Pr, ModeNo, ModeIdIndex);
+         SetYFilter(SiS_Pr, ModeNo, ModeIdIndex);
+         SetAntiFlicker(SiS_Pr, ModeNo, ModeIdIndex);
          if(SiS_Pr->SiS_VBType & VB_SIS301) {
-            SetEdgeEnhance(SiS_Pr,HwInfo,ModeNo,ModeIdIndex);
+            SetEdgeEnhance(SiS_Pr, ModeNo, ModeIdIndex);
          }
       }
    }
@@ -11601,13 +10640,12 @@ SiS_OEM661Setting(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
  * pray that we have a backup...
  */
 static void
-SiS_FinalizeLCD(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
-                PSIS_HW_INFO HwInfo)
+SiS_FinalizeLCD(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex)
 {
-  USHORT tempcl,tempch,tempbl,tempbh,tempbx,tempax,temp;
-  USHORT resinfo,modeflag;
+  unsigned short tempcl,tempch,tempbl,tempbh,tempbx,tempax,temp;
+  unsigned short resinfo,modeflag;
 
-  if(!(SiS_Pr->SiS_VBType & VB_SIS301LV302LV)) return;
+  if(!(SiS_Pr->SiS_VBType & VB_SISLVDS)) return;
   if(SiS_Pr->SiS_ROMNew) return;
 
   if(SiS_Pr->SiS_VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) {
@@ -11678,7 +10716,7 @@ SiS_FinalizeLCD(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 
   if(SiS_Pr->SiS_VBInfo & (SetCRT2ToLCD | SetCRT2ToLCDA)) {
      if(SiS_Pr->SiS_LCDResInfo == Panel_1024x768) {
-        if(SiS_Pr->SiS_VBType & (VB_SIS302LV | VB_SIS302ELV)) {
+        if(SiS_Pr->SiS_VBType & VB_SISEMI) {
            SiS_SetReg(SiS_Pr->SiS_Part4Port,0x2a,0x00);
 #ifdef SET_EMI
            SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x30,0x0c);
@@ -11806,11 +10844,11 @@ SiS_FinalizeLCD(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
 #ifdef SIS300
 
 static void
-SetOEMLCDData2(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
-               USHORT ModeNo,USHORT ModeIdIndex, USHORT RefTabIndex)
+SetOEMLCDData2(struct SiS_Private *SiS_Pr, unsigned short ModeNo,unsigned short ModeIdIndex,
+                unsigned short RefTabIndex)
 {
-  USHORT crt2crtc=0, modeflag, myindex=0;
-  UCHAR  temp;
+  unsigned short crt2crtc=0, modeflag, myindex=0;
+  unsigned char  temp;
   int i;
 
   if(ModeNo <= 0x13) {
@@ -11849,21 +10887,21 @@ SetOEMLCDData2(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
   }
 }
 
-static USHORT
-GetOEMLCDPtr(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, int Flag)
+static unsigned short
+GetOEMLCDPtr(struct SiS_Private *SiS_Pr, int Flag)
 {
-  UCHAR  *ROMAddr = HwInfo->pjVirtualRomBase;
-  USHORT tempbx=0,romptr=0;
-  UCHAR customtable300[] = {
-        0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
+  unsigned char  *ROMAddr = SiS_Pr->VirtualRomBase;
+  unsigned short tempbx=0,romptr=0;
+  static const unsigned char customtable300[] = {
+        0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
         0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff
   };
-  UCHAR customtable630[] = {
-        0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
+  static const unsigned char customtable630[] = {
+        0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
         0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff
   };
 
-  if(HwInfo->jChipType == SIS_300) {
+  if(SiS_Pr->ChipType == SIS_300) {
 
     tempbx = SiS_GetReg(SiS_Pr->SiS_P3d4,0x36) & 0x0f;
     if(SiS_Pr->SiS_VBType & VB_SIS301) tempbx &= 0x07;
@@ -11912,11 +10950,10 @@ GetOEMLCDPtr(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, int Flag)
 }
 
 static void
-SetOEMLCDDelay(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
-               USHORT ModeNo,USHORT ModeIdIndex)
+SetOEMLCDDelay(struct SiS_Private *SiS_Pr, unsigned short ModeNo,unsigned short ModeIdIndex)
 {
-  UCHAR  *ROMAddr = HwInfo->pjVirtualRomBase;
-  USHORT index,temp,romptr=0;
+  unsigned char  *ROMAddr = SiS_Pr->VirtualRomBase;
+  unsigned short index,temp,romptr=0;
 
   if(SiS_Pr->SiS_LCDResInfo == Panel_Custom) return;
 
@@ -11927,22 +10964,22 @@ SetOEMLCDDelay(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
   }
 
   /* The Panel Compensation Delay should be set according to tables
-   * here. Unfortunately, various BIOS versions don't case about
+   * here. Unfortunately, various BIOS versions don't care about
    * a uniform way using eg. ROM byte 0x220, but use different
    * hard coded delays (0x04, 0x20, 0x18) in SetGroup1().
-   * Thus we don't set this if the user select a custom pdc or if
+   * Thus we don't set this if the user selected a custom pdc or if
    * we otherwise detected a valid pdc.
    */
   if(SiS_Pr->PDC != -1) return;
 
-  temp = GetOEMLCDPtr(SiS_Pr,HwInfo, 0);
+  temp = GetOEMLCDPtr(SiS_Pr, 0);
 
   if(SiS_Pr->UseCustomMode)
      index = 0;
   else
      index = SiS_Pr->SiS_VBModeIDTable[ModeIdIndex].VB_LCDDelayIndex;
 
-  if(HwInfo->jChipType != SIS_300) {
+  if(SiS_Pr->ChipType != SIS_300) {
      if(romptr) {
         romptr += (temp * 2);
         romptr = SISGETROMW(romptr);
@@ -11986,12 +11023,11 @@ SetOEMLCDDelay(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
 }
 
 static void
-SetOEMLCDData(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
-              USHORT ModeNo,USHORT ModeIdIndex)
+SetOEMLCDData(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex)
 {
 #if 0  /* Unfinished; Data table missing */
-  UCHAR  *ROMAddr = HwInfo->pjVirtualRomBase;
-  USHORT index,temp;
+  unsigned char  *ROMAddr = SiS_Pr->VirtualRomBase;
+  unsigned short index,temp;
 
   if((SiS_Pr->SiS_UseROM) {
      if(!(ROMAddr[0x237] & 0x01)) return;
@@ -11999,8 +11035,8 @@ SetOEMLCDData(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
      /* No rom pointer in BIOS header! */
   }
 
-  temp = GetOEMLCDPtr(SiS_Pr,HwInfo, 1);
-  if(temp = 0xFFFF) return;
+  temp = GetOEMLCDPtr(SiS_Pr, 1);
+  if(temp == 0xFFFF) return;
 
   index = SiS_Pr->SiS_VBModeIDTable[ModeIdIndex]._VB_LCDHIndex;
   for(i=0x14, j=0; i<=0x17; i++, j++) {
@@ -12018,10 +11054,10 @@ SetOEMLCDData(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
 #endif
 }
 
-static USHORT
-GetOEMTVPtr(SiS_Private *SiS_Pr)
+static unsigned short
+GetOEMTVPtr(struct SiS_Private *SiS_Pr)
 {
-  USHORT index;
+  unsigned short index;
 
   index = 0;
   if(!(SiS_Pr->SiS_VBInfo & SetInSlaveMode))  index += 4;
@@ -12037,11 +11073,10 @@ GetOEMTVPtr(SiS_Private *SiS_Pr)
 }
 
 static void
-SetOEMTVDelay(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
-              USHORT ModeNo,USHORT ModeIdIndex)
+SetOEMTVDelay(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex)
 {
-  UCHAR  *ROMAddr = HwInfo->pjVirtualRomBase;
-  USHORT index,temp,romptr=0;
+  unsigned char  *ROMAddr = SiS_Pr->VirtualRomBase;
+  unsigned short index,temp,romptr=0;
 
   if(SiS_Pr->SiS_UseROM) {
      if(!(ROMAddr[0x238] & 0x01)) return;
@@ -12070,11 +11105,10 @@ SetOEMTVDelay(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
 }
 
 static void
-SetOEMAntiFlicker(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
-                  USHORT ModeNo, USHORT ModeIdIndex)
+SetOEMAntiFlicker(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex)
 {
-  UCHAR  *ROMAddr = HwInfo->pjVirtualRomBase;
-  USHORT index,temp,romptr=0;
+  unsigned char  *ROMAddr = SiS_Pr->VirtualRomBase;
+  unsigned short index,temp,romptr=0;
 
   if(SiS_Pr->SiS_UseROM) {
      if(!(ROMAddr[0x238] & 0x01)) return;
@@ -12099,11 +11133,10 @@ SetOEMAntiFlicker(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
 }
 
 static void
-SetOEMPhaseIncr(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
-                USHORT ModeNo,USHORT ModeIdIndex)
+SetOEMPhaseIncr(struct SiS_Private *SiS_Pr, unsigned short ModeNo,unsigned short ModeIdIndex)
 {
-  UCHAR  *ROMAddr = HwInfo->pjVirtualRomBase;
-  USHORT index,i,j,temp,romptr=0;
+  unsigned char  *ROMAddr = SiS_Pr->VirtualRomBase;
+  unsigned short index,i,j,temp,romptr=0;
 
   if(SiS_Pr->SiS_VBInfo & SetCRT2ToHiVision) return;
 
@@ -12119,7 +11152,7 @@ SetOEMPhaseIncr(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
 
   index = SiS_Pr->SiS_VBModeIDTable[ModeIdIndex].VB_TVPhaseIndex;
 
-  if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {
+  if(SiS_Pr->SiS_VBType & VB_SIS30xBLV) {
      for(i=0x31, j=0; i<=0x34; i++, j++) {
         SiS_SetReg(SiS_Pr->SiS_Part2Port,i,SiS300_Phase2[temp][index][j]);
      }
@@ -12140,11 +11173,10 @@ SetOEMPhaseIncr(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
 }
 
 static void
-SetOEMYFilter(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
-              USHORT ModeNo,USHORT ModeIdIndex)
+SetOEMYFilter(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex)
 {
-  UCHAR  *ROMAddr = HwInfo->pjVirtualRomBase;
-  USHORT index,temp,i,j,romptr=0;
+  unsigned char  *ROMAddr = SiS_Pr->VirtualRomBase;
+  unsigned short index,temp,i,j,romptr=0;
 
   if(SiS_Pr->SiS_VBInfo & (SetCRT2ToSCART | SetCRT2ToHiVision | SetCRT2ToYPbPr525750)) return;
 
@@ -12162,7 +11194,7 @@ SetOEMYFilter(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
 
   index = SiS_Pr->SiS_VBModeIDTable[ModeIdIndex].VB_TVYFilterIndex;
 
-  if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {
+  if(SiS_Pr->SiS_VBType & VB_SIS30xBLV) {
       for(i=0x35, j=0; i<=0x38; i++, j++) {
         SiS_SetReg(SiS_Pr->SiS_Part2Port,i,SiS300_Filter2[temp][index][j]);
       }
@@ -12185,11 +11217,11 @@ SetOEMYFilter(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
   }
 }
 
-static USHORT
-SiS_SearchVBModeID(SiS_Private *SiS_Pr, USHORT *ModeNo)
+static unsigned short
+SiS_SearchVBModeID(struct SiS_Private *SiS_Pr, unsigned short *ModeNo)
 {
-   USHORT ModeIdIndex;
-   UCHAR VGAINFO = SiS_Pr->SiS_VGAINFO;
+   unsigned short ModeIdIndex;
+   unsigned char  VGAINFO = SiS_Pr->SiS_VGAINFO;
 
    if(*ModeNo <= 5) *ModeNo |= 1;
 
@@ -12210,10 +11242,10 @@ SiS_SearchVBModeID(SiS_Private *SiS_Pr, USHORT *ModeNo)
 }
 
 static void
-SiS_OEM300Setting(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
-                  USHORT ModeNo, USHORT ModeIdIndex, USHORT RefTableIndex)
+SiS_OEM300Setting(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex,
+                  unsigned short RefTableIndex)
 {
-  USHORT OEMModeIdIndex=0;
+  unsigned short OEMModeIdIndex = 0;
 
   if(!SiS_Pr->UseCustomMode) {
      OEMModeIdIndex = SiS_SearchVBModeID(SiS_Pr,&ModeNo);
@@ -12221,18 +11253,18 @@ SiS_OEM300Setting(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
   }
 
   if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {
-     SetOEMLCDDelay(SiS_Pr, HwInfo, ModeNo, OEMModeIdIndex);
+     SetOEMLCDDelay(SiS_Pr, ModeNo, OEMModeIdIndex);
      if(SiS_Pr->SiS_IF_DEF_LVDS == 1) {
-        SetOEMLCDData(SiS_Pr, HwInfo, ModeNo, OEMModeIdIndex);
+        SetOEMLCDData(SiS_Pr, ModeNo, OEMModeIdIndex);
      }
   }
   if(SiS_Pr->UseCustomMode) return;
   if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
-     SetOEMTVDelay(SiS_Pr, HwInfo, ModeNo,OEMModeIdIndex);
+     SetOEMTVDelay(SiS_Pr, ModeNo,OEMModeIdIndex);
      if(SiS_Pr->SiS_VBType & VB_SISVB) {
-        SetOEMAntiFlicker(SiS_Pr, HwInfo, ModeNo, OEMModeIdIndex);
-        SetOEMPhaseIncr(SiS_Pr, HwInfo, ModeNo, OEMModeIdIndex);
-        SetOEMYFilter(SiS_Pr, HwInfo, ModeNo, OEMModeIdIndex);
+        SetOEMAntiFlicker(SiS_Pr, ModeNo, OEMModeIdIndex);
+        SetOEMPhaseIncr(SiS_Pr, ModeNo, OEMModeIdIndex);
+        SetOEMYFilter(SiS_Pr, ModeNo, OEMModeIdIndex);
      }
   }
 }