aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/video/sis/init.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/video/sis/init.c')
-rw-r--r--drivers/video/sis/init.c5318
1 files changed, 5318 insertions, 0 deletions
diff --git a/drivers/video/sis/init.c b/drivers/video/sis/init.c
new file mode 100644
index 000000000000..1994054d45ff
--- /dev/null
+++ b/drivers/video/sis/init.c
@@ -0,0 +1,5318 @@
+/* $XFree86$ */
+/* $XdotOrg$ */
+/*
+ * Mode initializing code (CRT1 section) for
+ * for SiS 300/305/540/630/730 and
+ * SiS 315/550/650/M650/651/661FX/M661FX/740/741(GX)/M741/330/660/M660/760/M760
+ * (Universal module for Linux kernel framebuffer and XFree86 4.x)
+ *
+ * Copyright (C) 2001-2004 by Thomas Winischhofer, Vienna, Austria
+ *
+ * If distributed as part of the Linux kernel, the following license terms
+ * apply:
+ *
+ * * This program is free software; you can redistribute it and/or modify
+ * * it under the terms of the GNU General Public License as published by
+ * * the Free Software Foundation; either version 2 of the named License,
+ * * or any later version.
+ * *
+ * * This program is distributed in the hope that it will be useful,
+ * * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * * GNU General Public License for more details.
+ * *
+ * * You should have received a copy of the GNU General Public License
+ * * along with this program; if not, write to the Free Software
+ * * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA
+ *
+ * Otherwise, the following license terms apply:
+ *
+ * * Redistribution and use in source and binary forms, with or without
+ * * modification, are permitted provided that the following conditions
+ * * are met:
+ * * 1) Redistributions of source code must retain the above copyright
+ * * notice, this list of conditions and the following disclaimer.
+ * * 2) Redistributions in binary form must reproduce the above copyright
+ * * notice, this list of conditions and the following disclaimer in the
+ * * documentation and/or other materials provided with the distribution.
+ * * 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 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,
+ * * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Author: Thomas Winischhofer <thomas@winischhofer.net>
+ *
+ * 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 they are marked TW or not.
+ *
+ */
+
+#include "init.h"
+
+#ifdef SIS300
+#include "300vtbl.h"
+#endif
+
+#ifdef SIS315H
+#include "310vtbl.h"
+#endif
+
+#if defined(ALLOC_PRAGMA)
+#pragma alloc_text(PAGE,SiSSetMode)
+#endif
+
+/*********************************************/
+/* POINTER INITIALIZATION */
+/*********************************************/
+
+#if defined(SIS300) || defined(SIS315H)
+static void
+InitCommonPointer(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+{
+ SiS_Pr->SiS_StResInfo = SiS_StResInfo;
+ SiS_Pr->SiS_ModeResInfo = SiS_ModeResInfo;
+ SiS_Pr->SiS_StandTable = SiS_StandTable;
+
+ SiS_Pr->SiS_NTSCPhase = SiS_NTSCPhase;
+ SiS_Pr->SiS_PALPhase = SiS_PALPhase;
+ SiS_Pr->SiS_NTSCPhase2 = SiS_NTSCPhase2;
+ SiS_Pr->SiS_PALPhase2 = SiS_PALPhase2;
+ SiS_Pr->SiS_PALMPhase = SiS_PALMPhase;
+ SiS_Pr->SiS_PALNPhase = SiS_PALNPhase;
+ SiS_Pr->SiS_PALMPhase2 = SiS_PALMPhase2;
+ SiS_Pr->SiS_PALNPhase2 = SiS_PALNPhase2;
+ SiS_Pr->SiS_SpecialPhase = SiS_SpecialPhase;
+ SiS_Pr->SiS_SpecialPhaseM = SiS_SpecialPhaseM;
+ SiS_Pr->SiS_SpecialPhaseJ = SiS_SpecialPhaseJ;
+
+ SiS_Pr->SiS_NTSCTiming = SiS_NTSCTiming;
+ SiS_Pr->SiS_PALTiming = SiS_PALTiming;
+ SiS_Pr->SiS_HiTVSt1Timing = SiS_HiTVSt1Timing;
+ SiS_Pr->SiS_HiTVSt2Timing = SiS_HiTVSt2Timing;
+
+ SiS_Pr->SiS_HiTVExtTiming = SiS_HiTVExtTiming;
+ SiS_Pr->SiS_HiTVGroup3Data = SiS_HiTVGroup3Data;
+ SiS_Pr->SiS_HiTVGroup3Simu = SiS_HiTVGroup3Simu;
+#if 0
+ SiS_Pr->SiS_HiTVTextTiming = SiS_HiTVTextTiming;
+ SiS_Pr->SiS_HiTVGroup3Text = SiS_HiTVGroup3Text;
+#endif
+
+ SiS_Pr->SiS_StPALData = SiS_StPALData;
+ SiS_Pr->SiS_ExtPALData = SiS_ExtPALData;
+ SiS_Pr->SiS_StNTSCData = SiS_StNTSCData;
+ SiS_Pr->SiS_ExtNTSCData = SiS_ExtNTSCData;
+ SiS_Pr->SiS_St1HiTVData = SiS_StHiTVData;
+ SiS_Pr->SiS_St2HiTVData = SiS_St2HiTVData;
+ SiS_Pr->SiS_ExtHiTVData = SiS_ExtHiTVData;
+ SiS_Pr->SiS_St525iData = SiS_StNTSCData;
+ SiS_Pr->SiS_St525pData = SiS_St525pData;
+ SiS_Pr->SiS_St750pData = SiS_St750pData;
+ SiS_Pr->SiS_Ext525iData = SiS_ExtNTSCData;
+ SiS_Pr->SiS_Ext525pData = SiS_ExtNTSCData;
+ SiS_Pr->SiS_Ext750pData = SiS_Ext750pData;
+
+ SiS_Pr->pSiS_OutputSelect = &SiS_OutputSelect;
+ SiS_Pr->pSiS_SoftSetting = &SiS_SoftSetting;
+
+ SiS_Pr->SiS_LCD1280x720Data = SiS_LCD1280x720Data;
+ SiS_Pr->SiS_StLCD1280x768_2Data = SiS_StLCD1280x768_2Data;
+ SiS_Pr->SiS_ExtLCD1280x768_2Data = SiS_ExtLCD1280x768_2Data;
+ SiS_Pr->SiS_LCD1280x800Data = SiS_LCD1280x800Data;
+ SiS_Pr->SiS_LCD1280x800_2Data = SiS_LCD1280x800_2Data;
+ SiS_Pr->SiS_LCD1280x960Data = SiS_LCD1280x960Data;
+ SiS_Pr->SiS_StLCD1400x1050Data = SiS_StLCD1400x1050Data;
+ SiS_Pr->SiS_ExtLCD1400x1050Data = SiS_ExtLCD1400x1050Data;
+ SiS_Pr->SiS_LCD1680x1050Data = SiS_LCD1680x1050Data;
+ SiS_Pr->SiS_StLCD1600x1200Data = SiS_StLCD1600x1200Data;
+ SiS_Pr->SiS_ExtLCD1600x1200Data = SiS_ExtLCD1600x1200Data;
+ SiS_Pr->SiS_NoScaleData = SiS_NoScaleData;
+
+ SiS_Pr->SiS_LVDS320x480Data_1 = SiS_LVDS320x480Data_1;
+ SiS_Pr->SiS_LVDS800x600Data_1 = SiS_LVDS800x600Data_1;
+ SiS_Pr->SiS_LVDS800x600Data_2 = SiS_LVDS800x600Data_2;
+ SiS_Pr->SiS_LVDS1024x768Data_1 = SiS_LVDS1024x768Data_1;
+ SiS_Pr->SiS_LVDS1024x768Data_2 = SiS_LVDS1024x768Data_2;
+ SiS_Pr->SiS_LVDS1280x1024Data_1 = SiS_LVDS1280x1024Data_1;
+ SiS_Pr->SiS_LVDS1280x1024Data_2 = SiS_LVDS1280x1024Data_2;
+ SiS_Pr->SiS_LVDS1400x1050Data_1 = SiS_LVDS1400x1050Data_1;
+ SiS_Pr->SiS_LVDS1400x1050Data_2 = SiS_LVDS1400x1050Data_2;
+ SiS_Pr->SiS_LVDS1600x1200Data_1 = SiS_LVDS1600x1200Data_1;
+ SiS_Pr->SiS_LVDS1600x1200Data_2 = SiS_LVDS1600x1200Data_2;
+ SiS_Pr->SiS_LVDS1280x768Data_1 = SiS_LVDS1280x768Data_1;
+ SiS_Pr->SiS_LVDS1280x768Data_2 = SiS_LVDS1280x768Data_2;
+ SiS_Pr->SiS_LVDS1024x600Data_1 = SiS_LVDS1024x600Data_1;
+ SiS_Pr->SiS_LVDS1024x600Data_2 = SiS_LVDS1024x600Data_2;
+ SiS_Pr->SiS_LVDS1152x768Data_1 = SiS_LVDS1152x768Data_1;
+ SiS_Pr->SiS_LVDS1152x768Data_2 = SiS_LVDS1152x768Data_2;
+ SiS_Pr->SiS_LVDSXXXxXXXData_1 = SiS_LVDSXXXxXXXData_1;
+ SiS_Pr->SiS_LVDS1280x960Data_1 = SiS_LVDS1280x960Data_1;
+ SiS_Pr->SiS_LVDS1280x960Data_2 = SiS_LVDS1280x960Data_2;
+ SiS_Pr->SiS_LVDS640x480Data_1 = SiS_LVDS640x480Data_1;
+ SiS_Pr->SiS_LVDS1280x960Data_1 = SiS_LVDS1280x1024Data_1;
+ SiS_Pr->SiS_LVDS1280x960Data_2 = SiS_LVDS1280x1024Data_2;
+ SiS_Pr->SiS_LVDS640x480Data_1 = SiS_LVDS640x480Data_1;
+ SiS_Pr->SiS_LVDS640x480Data_2 = SiS_LVDS640x480Data_2;
+
+ SiS_Pr->SiS_LVDS848x480Data_1 = SiS_LVDS848x480Data_1;
+ SiS_Pr->SiS_LVDS848x480Data_2 = SiS_LVDS848x480Data_2;
+ SiS_Pr->SiS_LVDSBARCO1024Data_1 = SiS_LVDSBARCO1024Data_1;
+ SiS_Pr->SiS_LVDSBARCO1024Data_2 = SiS_LVDSBARCO1024Data_2;
+ SiS_Pr->SiS_LVDSBARCO1366Data_1 = SiS_LVDSBARCO1366Data_1;
+ SiS_Pr->SiS_LVDSBARCO1366Data_2 = SiS_LVDSBARCO1366Data_2;
+
+ SiS_Pr->SiS_LVDSCRT11280x768_1 = SiS_LVDSCRT11280x768_1;
+ SiS_Pr->SiS_LVDSCRT11024x600_1 = SiS_LVDSCRT11024x600_1;
+ SiS_Pr->SiS_LVDSCRT11152x768_1 = SiS_LVDSCRT11152x768_1;
+ SiS_Pr->SiS_LVDSCRT11280x768_1_H = SiS_LVDSCRT11280x768_1_H;
+ SiS_Pr->SiS_LVDSCRT11024x600_1_H = SiS_LVDSCRT11024x600_1_H;
+ SiS_Pr->SiS_LVDSCRT11152x768_1_H = SiS_LVDSCRT11152x768_1_H;
+ SiS_Pr->SiS_LVDSCRT11280x768_2 = SiS_LVDSCRT11280x768_2;
+ SiS_Pr->SiS_LVDSCRT11024x600_2 = SiS_LVDSCRT11024x600_2;
+ SiS_Pr->SiS_LVDSCRT11152x768_2 = SiS_LVDSCRT11152x768_2;
+ SiS_Pr->SiS_LVDSCRT11280x768_2_H = SiS_LVDSCRT11280x768_2_H;
+ SiS_Pr->SiS_LVDSCRT11024x600_2_H = SiS_LVDSCRT11024x600_2_H;
+ SiS_Pr->SiS_LVDSCRT11152x768_2_H = SiS_LVDSCRT11152x768_2_H;
+ SiS_Pr->SiS_LVDSCRT1320x480_1 = SiS_LVDSCRT1320x480_1;
+ SiS_Pr->SiS_LVDSCRT1640x480_1 = SiS_LVDSCRT1640x480_1;
+ SiS_Pr->SiS_LVDSCRT1640x480_1_H = SiS_LVDSCRT1640x480_1_H;
+ SiS_Pr->SiS_LVDSCRT1640x480_2 = SiS_LVDSCRT1640x480_2;
+ SiS_Pr->SiS_LVDSCRT1640x480_2_H = SiS_LVDSCRT1640x480_2_H;
+ SiS_Pr->SiS_LVDSCRT1640x480_3 = SiS_LVDSCRT1640x480_3;
+ SiS_Pr->SiS_LVDSCRT1640x480_3_H = SiS_LVDSCRT1640x480_3_H;
+
+ SiS_Pr->SiS_CHTVUNTSCData = SiS_CHTVUNTSCData;
+ SiS_Pr->SiS_CHTVONTSCData = SiS_CHTVONTSCData;
+
+ SiS_Pr->SiS_CHTVUNTSCDesData = SiS_CHTVUNTSCDesData;
+ SiS_Pr->SiS_CHTVONTSCDesData = SiS_CHTVONTSCDesData;
+ SiS_Pr->SiS_CHTVUPALDesData = SiS_CHTVUPALDesData;
+ SiS_Pr->SiS_CHTVOPALDesData = SiS_CHTVOPALDesData;
+
+ SiS_Pr->SiS_PanelMinLVDS = Panel_800x600; /* lowest value LVDS/LCDA */
+ SiS_Pr->SiS_PanelMin301 = Panel_1024x768; /* lowest value 301 */
+}
+#endif
+
+#ifdef SIS300
+static void
+InitTo300Pointer(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+{
+ InitCommonPointer(SiS_Pr, HwInfo);
+
+ SiS_Pr->SiS_SModeIDTable = SiS300_SModeIDTable;
+ SiS_Pr->SiS_VBModeIDTable = SiS300_VBModeIDTable;
+ SiS_Pr->SiS_EModeIDTable = SiS300_EModeIDTable;
+ SiS_Pr->SiS_RefIndex = SiS300_RefIndex;
+ SiS_Pr->SiS_CRT1Table = SiS300_CRT1Table;
+ if(HwInfo->jChipType == SIS_300) {
+ SiS_Pr->SiS_MCLKData_0 = SiS300_MCLKData_300; /* 300 */
+ } else {
+ SiS_Pr->SiS_MCLKData_0 = SiS300_MCLKData_630; /* 630, 730 */
+ }
+ SiS_Pr->SiS_VCLKData = SiS300_VCLKData;
+ SiS_Pr->SiS_VBVCLKData = (SiS_VBVCLKDataStruct *)SiS300_VCLKData;
+
+ SiS_Pr->SiS_SR15 = SiS300_SR15;
+
+#ifdef LINUX_KERNEL
+ SiS_Pr->pSiS_SR07 = &SiS300_SR07;
+ SiS_Pr->SiS_CR40 = SiS300_CR40;
+ SiS_Pr->SiS_CR49 = SiS300_CR49;
+ SiS_Pr->pSiS_SR1F = &SiS300_SR1F;
+ SiS_Pr->pSiS_SR21 = &SiS300_SR21;
+ SiS_Pr->pSiS_SR22 = &SiS300_SR22;
+ SiS_Pr->pSiS_SR23 = &SiS300_SR23;
+ SiS_Pr->pSiS_SR24 = &SiS300_SR24;
+ SiS_Pr->SiS_SR25 = SiS300_SR25;
+ SiS_Pr->pSiS_SR31 = &SiS300_SR31;
+ SiS_Pr->pSiS_SR32 = &SiS300_SR32;
+ SiS_Pr->pSiS_SR33 = &SiS300_SR33;
+ SiS_Pr->pSiS_CRT2Data_1_2 = &SiS300_CRT2Data_1_2;
+ SiS_Pr->pSiS_CRT2Data_4_D = &SiS300_CRT2Data_4_D;
+ SiS_Pr->pSiS_CRT2Data_4_E = &SiS300_CRT2Data_4_E;
+ SiS_Pr->pSiS_CRT2Data_4_10 = &SiS300_CRT2Data_4_10;
+ SiS_Pr->pSiS_RGBSenseData = &SiS300_RGBSenseData;
+ SiS_Pr->pSiS_VideoSenseData = &SiS300_VideoSenseData;
+ SiS_Pr->pSiS_YCSenseData = &SiS300_YCSenseData;
+ SiS_Pr->pSiS_RGBSenseData2 = &SiS300_RGBSenseData2;
+ SiS_Pr->pSiS_VideoSenseData2 = &SiS300_VideoSenseData2;
+ SiS_Pr->pSiS_YCSenseData2 = &SiS300_YCSenseData2;
+#endif
+
+ SiS_Pr->SiS_PanelDelayTbl = SiS300_PanelDelayTbl;
+ SiS_Pr->SiS_PanelDelayTblLVDS = SiS300_PanelDelayTbl;
+
+ SiS_Pr->SiS_ExtLCD1024x768Data = SiS300_ExtLCD1024x768Data;
+ SiS_Pr->SiS_St2LCD1024x768Data = SiS300_St2LCD1024x768Data;
+ SiS_Pr->SiS_ExtLCD1280x1024Data = SiS300_ExtLCD1280x1024Data;
+ SiS_Pr->SiS_St2LCD1280x1024Data = SiS300_St2LCD1280x1024Data;
+
+ SiS_Pr->SiS_CRT2Part2_1024x768_1 = SiS300_CRT2Part2_1024x768_1;
+ SiS_Pr->SiS_CRT2Part2_1280x1024_1 = SiS300_CRT2Part2_1280x1024_1;
+ SiS_Pr->SiS_CRT2Part2_1024x768_2 = SiS300_CRT2Part2_1024x768_2;
+ SiS_Pr->SiS_CRT2Part2_1280x1024_2 = SiS300_CRT2Part2_1280x1024_2;
+ SiS_Pr->SiS_CRT2Part2_1024x768_3 = SiS300_CRT2Part2_1024x768_3;
+ SiS_Pr->SiS_CRT2Part2_1280x1024_3 = SiS300_CRT2Part2_1280x1024_3;
+
+ SiS_Pr->SiS_CHTVUPALData = SiS300_CHTVUPALData;
+ SiS_Pr->SiS_CHTVOPALData = SiS300_CHTVOPALData;
+ SiS_Pr->SiS_CHTVUPALMData = SiS_CHTVUNTSCData; /* not supported on 300 series */
+ SiS_Pr->SiS_CHTVOPALMData = SiS_CHTVONTSCData; /* not supported on 300 series */
+ SiS_Pr->SiS_CHTVUPALNData = SiS300_CHTVUPALData; /* not supported on 300 series */
+ SiS_Pr->SiS_CHTVOPALNData = SiS300_CHTVOPALData; /* not supported on 300 series */
+ SiS_Pr->SiS_CHTVSOPALData = SiS300_CHTVSOPALData;
+
+ SiS_Pr->SiS_PanelType00_1 = SiS300_PanelType00_1;
+ SiS_Pr->SiS_PanelType01_1 = SiS300_PanelType01_1;
+ SiS_Pr->SiS_PanelType02_1 = SiS300_PanelType02_1;
+ SiS_Pr->SiS_PanelType03_1 = SiS300_PanelType03_1;
+ SiS_Pr->SiS_PanelType04_1 = SiS300_PanelType04_1;
+ SiS_Pr->SiS_PanelType05_1 = SiS300_PanelType05_1;
+ SiS_Pr->SiS_PanelType06_1 = SiS300_PanelType06_1;
+ SiS_Pr->SiS_PanelType07_1 = SiS300_PanelType07_1;
+ SiS_Pr->SiS_PanelType08_1 = SiS300_PanelType08_1;
+ SiS_Pr->SiS_PanelType09_1 = SiS300_PanelType09_1;
+ SiS_Pr->SiS_PanelType0a_1 = SiS300_PanelType0a_1;
+ SiS_Pr->SiS_PanelType0b_1 = SiS300_PanelType0b_1;
+ SiS_Pr->SiS_PanelType0c_1 = SiS300_PanelType0c_1;
+ SiS_Pr->SiS_PanelType0d_1 = SiS300_PanelType0d_1;
+ SiS_Pr->SiS_PanelType0e_1 = SiS300_PanelType0e_1;
+ SiS_Pr->SiS_PanelType0f_1 = SiS300_PanelType0f_1;
+ SiS_Pr->SiS_PanelType00_2 = SiS300_PanelType00_2;
+ SiS_Pr->SiS_PanelType01_2 = SiS300_PanelType01_2;
+ SiS_Pr->SiS_PanelType02_2 = SiS300_PanelType02_2;
+ SiS_Pr->SiS_PanelType03_2 = SiS300_PanelType03_2;
+ SiS_Pr->SiS_PanelType04_2 = SiS300_PanelType04_2;
+ SiS_Pr->SiS_PanelType05_2 = SiS300_PanelType05_2;
+ SiS_Pr->SiS_PanelType06_2 = SiS300_PanelType06_2;
+ SiS_Pr->SiS_PanelType07_2 = SiS300_PanelType07_2;
+ SiS_Pr->SiS_PanelType08_2 = SiS300_PanelType08_2;
+ SiS_Pr->SiS_PanelType09_2 = SiS300_PanelType09_2;
+ SiS_Pr->SiS_PanelType0a_2 = SiS300_PanelType0a_2;
+ SiS_Pr->SiS_PanelType0b_2 = SiS300_PanelType0b_2;
+ SiS_Pr->SiS_PanelType0c_2 = SiS300_PanelType0c_2;
+ SiS_Pr->SiS_PanelType0d_2 = SiS300_PanelType0d_2;
+ SiS_Pr->SiS_PanelType0e_2 = SiS300_PanelType0e_2;
+ SiS_Pr->SiS_PanelType0f_2 = SiS300_PanelType0f_2;
+ SiS_Pr->SiS_PanelTypeNS_1 = SiS300_PanelTypeNS_1;
+ SiS_Pr->SiS_PanelTypeNS_2 = SiS300_PanelTypeNS_2;
+
+ if(SiS_Pr->SiS_CustomT == CUT_BARCO1366) {
+ SiS_Pr->SiS_PanelType04_1 = SiS300_PanelType04_1a;
+ SiS_Pr->SiS_PanelType04_2 = SiS300_PanelType04_2a;
+ }
+ if(SiS_Pr->SiS_CustomT == CUT_BARCO1024) {
+ SiS_Pr->SiS_PanelType04_1 = SiS300_PanelType04_1b;
+ SiS_Pr->SiS_PanelType04_2 = SiS300_PanelType04_2b;
+ }
+
+ SiS_Pr->SiS_LVDSCRT1800x600_1 = SiS300_LVDSCRT1800x600_1;
+ SiS_Pr->SiS_LVDSCRT1800x600_1_H = SiS300_LVDSCRT1800x600_1_H;
+ SiS_Pr->SiS_LVDSCRT1800x600_2 = SiS300_LVDSCRT1800x600_2;
+ SiS_Pr->SiS_LVDSCRT1800x600_2_H = SiS300_LVDSCRT1800x600_2_H;
+ SiS_Pr->SiS_LVDSCRT11024x768_1 = SiS300_LVDSCRT11024x768_1;
+ SiS_Pr->SiS_LVDSCRT11024x768_1_H = SiS300_LVDSCRT11024x768_1_H;
+ SiS_Pr->SiS_LVDSCRT11024x768_2 = SiS300_LVDSCRT11024x768_2;
+ SiS_Pr->SiS_LVDSCRT11024x768_2_H = SiS300_LVDSCRT11024x768_2_H;
+ SiS_Pr->SiS_LVDSCRT11280x1024_1 = SiS300_LVDSCRT11280x1024_1;
+ SiS_Pr->SiS_LVDSCRT11280x1024_1_H = SiS300_LVDSCRT11280x1024_1_H;
+ SiS_Pr->SiS_LVDSCRT11280x1024_2 = SiS300_LVDSCRT11280x1024_2;
+ SiS_Pr->SiS_LVDSCRT11280x1024_2_H = SiS300_LVDSCRT11280x1024_2_H;
+ SiS_Pr->SiS_LVDSCRT1XXXxXXX_1 = SiS300_LVDSCRT1XXXxXXX_1;
+ SiS_Pr->SiS_LVDSCRT1XXXxXXX_1_H = SiS300_LVDSCRT1XXXxXXX_1_H;
+
+ SiS_Pr->SiS_CHTVCRT1UNTSC = SiS300_CHTVCRT1UNTSC;
+ SiS_Pr->SiS_CHTVCRT1ONTSC = SiS300_CHTVCRT1ONTSC;
+ SiS_Pr->SiS_CHTVCRT1UPAL = SiS300_CHTVCRT1UPAL;
+ SiS_Pr->SiS_CHTVCRT1OPAL = SiS300_CHTVCRT1OPAL;
+ SiS_Pr->SiS_CHTVCRT1SOPAL = SiS300_CHTVCRT1SOPAL;
+ SiS_Pr->SiS_CHTVReg_UNTSC = SiS300_CHTVReg_UNTSC;
+ SiS_Pr->SiS_CHTVReg_ONTSC = SiS300_CHTVReg_ONTSC;
+ SiS_Pr->SiS_CHTVReg_UPAL = SiS300_CHTVReg_UPAL;
+ SiS_Pr->SiS_CHTVReg_OPAL = SiS300_CHTVReg_OPAL;
+ SiS_Pr->SiS_CHTVReg_UPALM = SiS300_CHTVReg_UNTSC; /* not supported on 300 series */
+ SiS_Pr->SiS_CHTVReg_OPALM = SiS300_CHTVReg_ONTSC; /* not supported on 300 series */
+ SiS_Pr->SiS_CHTVReg_UPALN = SiS300_CHTVReg_UPAL; /* not supported on 300 series */
+ SiS_Pr->SiS_CHTVReg_OPALN = SiS300_CHTVReg_OPAL; /* not supported on 300 series */
+ SiS_Pr->SiS_CHTVReg_SOPAL = SiS300_CHTVReg_SOPAL;
+ SiS_Pr->SiS_CHTVVCLKUNTSC = SiS300_CHTVVCLKUNTSC;
+ SiS_Pr->SiS_CHTVVCLKONTSC = SiS300_CHTVVCLKONTSC;
+ SiS_Pr->SiS_CHTVVCLKUPAL = SiS300_CHTVVCLKUPAL;
+ SiS_Pr->SiS_CHTVVCLKOPAL = SiS300_CHTVVCLKOPAL;
+ SiS_Pr->SiS_CHTVVCLKUPALM = SiS300_CHTVVCLKUNTSC; /* not supported on 300 series */
+ SiS_Pr->SiS_CHTVVCLKOPALM = SiS300_CHTVVCLKONTSC; /* not supported on 300 series */
+ SiS_Pr->SiS_CHTVVCLKUPALN = SiS300_CHTVVCLKUPAL; /* not supported on 300 series */
+ SiS_Pr->SiS_CHTVVCLKOPALN = SiS300_CHTVVCLKOPAL; /* not supported on 300 series */
+ SiS_Pr->SiS_CHTVVCLKSOPAL = SiS300_CHTVVCLKSOPAL;
+}
+#endif
+
+#ifdef SIS315H
+static void
+InitTo310Pointer(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+{
+ InitCommonPointer(SiS_Pr, HwInfo);
+
+ SiS_Pr->SiS_SModeIDTable = SiS310_SModeIDTable;
+ SiS_Pr->SiS_EModeIDTable = SiS310_EModeIDTable;
+ SiS_Pr->SiS_RefIndex = (SiS_Ext2Struct *)SiS310_RefIndex;
+ SiS_Pr->SiS_CRT1Table = SiS310_CRT1Table;
+ if(HwInfo->jChipType >= SIS_340) {
+ SiS_Pr->SiS_MCLKData_0 = SiS310_MCLKData_0_340; /* 340 */
+ } else if(HwInfo->jChipType >= SIS_761) {
+ SiS_Pr->SiS_MCLKData_0 = SiS310_MCLKData_0_761; /* 761 - preliminary */
+ } else if(HwInfo->jChipType >= SIS_760) {
+ SiS_Pr->SiS_MCLKData_0 = SiS310_MCLKData_0_760; /* 760 */
+ } else if(HwInfo->jChipType >= SIS_661) {
+ SiS_Pr->SiS_MCLKData_0 = SiS310_MCLKData_0_660; /* 661/741 */
+ } else if(HwInfo->jChipType == SIS_330) {
+ SiS_Pr->SiS_MCLKData_0 = SiS310_MCLKData_0_330; /* 330 */
+ } else if(HwInfo->jChipType > SIS_315PRO) {
+ SiS_Pr->SiS_MCLKData_0 = SiS310_MCLKData_0_650; /* 550, 650, 740 */
+ } else {
+ SiS_Pr->SiS_MCLKData_0 = SiS310_MCLKData_0_315; /* 315 */
+ }
+ if(HwInfo->jChipType >= SIS_340) {
+ SiS_Pr->SiS_MCLKData_1 = SiS310_MCLKData_1_340;
+ } else {
+ SiS_Pr->SiS_MCLKData_1 = SiS310_MCLKData_1;
+ }
+ SiS_Pr->SiS_VCLKData = SiS310_VCLKData;
+ SiS_Pr->SiS_VBVCLKData = SiS310_VBVCLKData;
+
+ SiS_Pr->SiS_SR15 = SiS310_SR15;
+
+#ifdef LINUX_KERNEL
+ SiS_Pr->pSiS_SR07 = &SiS310_SR07;
+ SiS_Pr->SiS_CR40 = SiS310_CR40;
+ SiS_Pr->SiS_CR49 = SiS310_CR49;
+ SiS_Pr->pSiS_SR1F = &SiS310_SR1F;
+ SiS_Pr->pSiS_SR21 = &SiS310_SR21;
+ SiS_Pr->pSiS_SR22 = &SiS310_SR22;
+ SiS_Pr->pSiS_SR23 = &SiS310_SR23;
+ SiS_Pr->pSiS_SR24 = &SiS310_SR24;
+ SiS_Pr->SiS_SR25 = SiS310_SR25;
+ SiS_Pr->pSiS_SR31 = &SiS310_SR31;
+ SiS_Pr->pSiS_SR32 = &SiS310_SR32;
+ SiS_Pr->pSiS_SR33 = &SiS310_SR33;
+ SiS_Pr->pSiS_CRT2Data_1_2 = &SiS310_CRT2Data_1_2;
+ SiS_Pr->pSiS_CRT2Data_4_D = &SiS310_CRT2Data_4_D;
+ SiS_Pr->pSiS_CRT2Data_4_E = &SiS310_CRT2Data_4_E;
+ SiS_Pr->pSiS_CRT2Data_4_10 = &SiS310_CRT2Data_4_10;
+ SiS_Pr->pSiS_RGBSenseData = &SiS310_RGBSenseData;
+ SiS_Pr->pSiS_VideoSenseData = &SiS310_VideoSenseData;
+ SiS_Pr->pSiS_YCSenseData = &SiS310_YCSenseData;
+ SiS_Pr->pSiS_RGBSenseData2 = &SiS310_RGBSenseData2;
+ SiS_Pr->pSiS_VideoSenseData2 = &SiS310_VideoSenseData2;
+ SiS_Pr->pSiS_YCSenseData2 = &SiS310_YCSenseData2;
+#endif
+
+ SiS_Pr->SiS_PanelDelayTbl = SiS310_PanelDelayTbl;
+ SiS_Pr->SiS_PanelDelayTblLVDS = SiS310_PanelDelayTblLVDS;
+
+ SiS_Pr->SiS_St2LCD1024x768Data = SiS310_St2LCD1024x768Data;
+ SiS_Pr->SiS_ExtLCD1024x768Data = SiS310_ExtLCD1024x768Data;
+ SiS_Pr->SiS_St2LCD1280x1024Data = SiS310_St2LCD1280x1024Data;
+ SiS_Pr->SiS_ExtLCD1280x1024Data = SiS310_ExtLCD1280x1024Data;
+
+ SiS_Pr->SiS_CRT2Part2_1024x768_1 = SiS310_CRT2Part2_1024x768_1;
+
+ SiS_Pr->SiS_PanelType00_1 = SiS310_PanelType00_1;
+ SiS_Pr->SiS_PanelType01_1 = SiS310_PanelType01_1;
+ SiS_Pr->SiS_PanelType02_1 = SiS310_PanelType02_1;
+ SiS_Pr->SiS_PanelType03_1 = SiS310_PanelType03_1;
+ SiS_Pr->SiS_PanelType04_1 = SiS310_PanelType04_1;
+ SiS_Pr->SiS_PanelType05_1 = SiS310_PanelType05_1;
+ SiS_Pr->SiS_PanelType06_1 = SiS310_PanelType06_1;
+ SiS_Pr->SiS_PanelType07_1 = SiS310_PanelType07_1;
+ SiS_Pr->SiS_PanelType08_1 = SiS310_PanelType08_1;
+ SiS_Pr->SiS_PanelType09_1 = SiS310_PanelType09_1;
+ SiS_Pr->SiS_PanelType0a_1 = SiS310_PanelType0a_1;
+ SiS_Pr->SiS_PanelType0b_1 = SiS310_PanelType0b_1;
+ SiS_Pr->SiS_PanelType0c_1 = SiS310_PanelType0c_1;
+ SiS_Pr->SiS_PanelType0d_1 = SiS310_PanelType0d_1;
+ SiS_Pr->SiS_PanelType0e_1 = SiS310_PanelType0e_1;
+ SiS_Pr->SiS_PanelType0f_1 = SiS310_PanelType0f_1;
+ SiS_Pr->SiS_PanelType00_2 = SiS310_PanelType00_2;
+ SiS_Pr->SiS_PanelType01_2 = SiS310_PanelType01_2;
+ SiS_Pr->SiS_PanelType02_2 = SiS310_PanelType02_2;
+ SiS_Pr->SiS_PanelType03_2 = SiS310_PanelType03_2;
+ SiS_Pr->SiS_PanelType04_2 = SiS310_PanelType04_2;
+ SiS_Pr->SiS_PanelType05_2 = SiS310_PanelType05_2;
+ SiS_Pr->SiS_PanelType06_2 = SiS310_PanelType06_2;
+ SiS_Pr->SiS_PanelType07_2 = SiS310_PanelType07_2;
+ SiS_Pr->SiS_PanelType08_2 = SiS310_PanelType08_2;
+ SiS_Pr->SiS_PanelType09_2 = SiS310_PanelType09_2;
+ SiS_Pr->SiS_PanelType0a_2 = SiS310_PanelType0a_2;
+ SiS_Pr->SiS_PanelType0b_2 = SiS310_PanelType0b_2;
+ SiS_Pr->SiS_PanelType0c_2 = SiS310_PanelType0c_2;
+ SiS_Pr->SiS_PanelType0d_2 = SiS310_PanelType0d_2;
+ SiS_Pr->SiS_PanelType0e_2 = SiS310_PanelType0e_2;
+ SiS_Pr->SiS_PanelType0f_2 = SiS310_PanelType0f_2;
+ SiS_Pr->SiS_PanelTypeNS_1 = SiS310_PanelTypeNS_1;
+ SiS_Pr->SiS_PanelTypeNS_2 = SiS310_PanelTypeNS_2;
+
+ SiS_Pr->SiS_CHTVUPALData = SiS310_CHTVUPALData;
+ SiS_Pr->SiS_CHTVOPALData = SiS310_CHTVOPALData;
+ SiS_Pr->SiS_CHTVUPALMData = SiS310_CHTVUPALMData;
+ SiS_Pr->SiS_CHTVOPALMData = SiS310_CHTVOPALMData;
+ SiS_Pr->SiS_CHTVUPALNData = SiS310_CHTVUPALNData;
+ SiS_Pr->SiS_CHTVOPALNData = SiS310_CHTVOPALNData;
+ SiS_Pr->SiS_CHTVSOPALData = SiS310_CHTVSOPALData;
+
+ SiS_Pr->SiS_LVDSCRT1800x600_1 = SiS310_LVDSCRT1800x600_1;
+ SiS_Pr->SiS_LVDSCRT11024x768_1 = SiS310_LVDSCRT11024x768_1;
+ SiS_Pr->SiS_LVDSCRT11280x1024_1 = SiS310_LVDSCRT11280x1024_1;
+ SiS_Pr->SiS_LVDSCRT11400x1050_1 = SiS310_LVDSCRT11400x1050_1;
+ SiS_Pr->SiS_LVDSCRT11600x1200_1 = SiS310_LVDSCRT11600x1200_1;
+ SiS_Pr->SiS_LVDSCRT1800x600_1_H = SiS310_LVDSCRT1800x600_1_H;
+ SiS_Pr->SiS_LVDSCRT11024x768_1_H = SiS310_LVDSCRT11024x768_1_H;
+ SiS_Pr->SiS_LVDSCRT11280x1024_1_H = SiS310_LVDSCRT11280x1024_1_H;
+ SiS_Pr->SiS_LVDSCRT11400x1050_1_H = SiS310_LVDSCRT11400x1050_1_H;
+ SiS_Pr->SiS_LVDSCRT11600x1200_1_H = SiS310_LVDSCRT11600x1200_1_H;
+ SiS_Pr->SiS_LVDSCRT1800x600_2 = SiS310_LVDSCRT1800x600_2;
+ SiS_Pr->SiS_LVDSCRT11024x768_2 = SiS310_LVDSCRT11024x768_2;
+ SiS_Pr->SiS_LVDSCRT11280x1024_2 = SiS310_LVDSCRT11280x1024_2;
+ SiS_Pr->SiS_LVDSCRT11400x1050_2 = SiS310_LVDSCRT11400x1050_2;
+ SiS_Pr->SiS_LVDSCRT11600x1200_2 = SiS310_LVDSCRT11600x1200_2;
+ SiS_Pr->SiS_LVDSCRT1800x600_2_H = SiS310_LVDSCRT1800x600_2_H;
+ SiS_Pr->SiS_LVDSCRT11024x768_2_H = SiS310_LVDSCRT11024x768_2_H;
+ SiS_Pr->SiS_LVDSCRT11280x1024_2_H = SiS310_LVDSCRT11280x1024_2_H;
+ SiS_Pr->SiS_LVDSCRT11400x1050_2_H = SiS310_LVDSCRT11400x1050_2_H;
+ SiS_Pr->SiS_LVDSCRT11600x1200_2_H = SiS310_LVDSCRT11600x1200_2_H;
+ SiS_Pr->SiS_LVDSCRT1XXXxXXX_1 = SiS310_LVDSCRT1XXXxXXX_1;
+ SiS_Pr->SiS_LVDSCRT1XXXxXXX_1_H = SiS310_LVDSCRT1XXXxXXX_1_H;
+ SiS_Pr->SiS_CHTVCRT1UNTSC = SiS310_CHTVCRT1UNTSC;
+ SiS_Pr->SiS_CHTVCRT1ONTSC = SiS310_CHTVCRT1ONTSC;
+ SiS_Pr->SiS_CHTVCRT1UPAL = SiS310_CHTVCRT1UPAL;
+ SiS_Pr->SiS_CHTVCRT1OPAL = SiS310_CHTVCRT1OPAL;
+ SiS_Pr->SiS_CHTVCRT1SOPAL = SiS310_CHTVCRT1OPAL;
+
+ SiS_Pr->SiS_CHTVReg_UNTSC = SiS310_CHTVReg_UNTSC;
+ SiS_Pr->SiS_CHTVReg_ONTSC = SiS310_CHTVReg_ONTSC;
+ SiS_Pr->SiS_CHTVReg_UPAL = SiS310_CHTVReg_UPAL;
+ SiS_Pr->SiS_CHTVReg_OPAL = SiS310_CHTVReg_OPAL;
+ SiS_Pr->SiS_CHTVReg_UPALM = SiS310_CHTVReg_UPALM;
+ SiS_Pr->SiS_CHTVReg_OPALM = SiS310_CHTVReg_OPALM;
+ SiS_Pr->SiS_CHTVReg_UPALN = SiS310_CHTVReg_UPALN;
+ SiS_Pr->SiS_CHTVReg_OPALN = SiS310_CHTVReg_OPALN;
+ SiS_Pr->SiS_CHTVReg_SOPAL = SiS310_CHTVReg_OPAL;
+
+ SiS_Pr->SiS_CHTVVCLKUNTSC = SiS310_CHTVVCLKUNTSC;
+ SiS_Pr->SiS_CHTVVCLKONTSC = SiS310_CHTVVCLKONTSC;
+ SiS_Pr->SiS_CHTVVCLKUPAL = SiS310_CHTVVCLKUPAL;
+ SiS_Pr->SiS_CHTVVCLKOPAL = SiS310_CHTVVCLKOPAL;
+ SiS_Pr->SiS_CHTVVCLKUPALM = SiS310_CHTVVCLKUPALM;
+ SiS_Pr->SiS_CHTVVCLKOPALM = SiS310_CHTVVCLKOPALM;
+ SiS_Pr->SiS_CHTVVCLKUPALN = SiS310_CHTVVCLKUPALN;
+ SiS_Pr->SiS_CHTVVCLKOPALN = SiS310_CHTVVCLKOPALN;
+ SiS_Pr->SiS_CHTVVCLKSOPAL = SiS310_CHTVVCLKOPAL;
+}
+#endif
+
+static void
+SiSInitPtr(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+{
+ switch(HwInfo->jChipType) {
+#ifdef SIS315H
+ case SIS_315H:
+ case SIS_315:
+ case SIS_315PRO:
+ case SIS_550:
+ case SIS_650:
+ case SIS_740:
+ case SIS_330:
+ case SIS_661:
+ case SIS_741:
+ case SIS_660:
+ case SIS_760:
+ case SIS_761:
+ case SIS_340:
+ InitTo310Pointer(SiS_Pr, HwInfo);
+ break;
+#endif
+#ifdef SIS300
+ case SIS_300:
+ case SIS_540:
+ case SIS_630:
+ case SIS_730:
+ InitTo300Pointer(SiS_Pr, HwInfo);
+ break;
+#endif
+ default:
+ break;
+ }
+}
+
+/*********************************************/
+/* HELPER: Get ModeID */
+/*********************************************/
+
+#ifdef LINUX_XF86
+USHORT
+SiS_GetModeID(int VGAEngine, ULONG VBFlags, int HDisplay, int VDisplay,
+ int Depth, BOOLEAN FSTN, int LCDwidth, int LCDheight)
+{
+ USHORT ModeIndex = 0;
+
+ switch(HDisplay)
+ {
+ case 320:
+ if(VDisplay == 200) ModeIndex = ModeIndex_320x200[Depth];
+ else if(VDisplay == 240) {
+ if(FSTN) ModeIndex = ModeIndex_320x240_FSTN[Depth];
+ else ModeIndex = ModeIndex_320x240[Depth];
+ }
+ break;
+ case 400:
+ if((!(VBFlags & CRT1_LCDA)) || ((LCDwidth >= 800) && (LCDwidth >= 600))) {
+ if(VDisplay == 300) ModeIndex = ModeIndex_400x300[Depth];
+ }
+ break;
+ case 512:
+ if((!(VBFlags & CRT1_LCDA)) || ((LCDwidth >= 1024) && (LCDwidth >= 768))) {
+ if(VDisplay == 384) ModeIndex = ModeIndex_512x384[Depth];
+ }
+ break;
+ case 640:
+ if(VDisplay == 480) ModeIndex = ModeIndex_640x480[Depth];
+ else if(VDisplay == 400) ModeIndex = ModeIndex_640x400[Depth];
+ break;
+ case 720:
+ if(VDisplay == 480) ModeIndex = ModeIndex_720x480[Depth];
+ else if(VDisplay == 576) ModeIndex = ModeIndex_720x576[Depth];
+ break;
+ case 768:
+ if(VDisplay == 576) ModeIndex = ModeIndex_768x576[Depth];
+ break;
+ case 800:
+ if(VDisplay == 600) ModeIndex = ModeIndex_800x600[Depth];
+ else if(VDisplay == 480) ModeIndex = ModeIndex_800x480[Depth];
+ break;
+ case 848:
+ if(VDisplay == 480) ModeIndex = ModeIndex_848x480[Depth];
+ break;
+ case 856:
+ if(VDisplay == 480) ModeIndex = ModeIndex_856x480[Depth];
+ break;
+ case 960:
+ if(VGAEngine == SIS_315_VGA) {
+ if(VDisplay == 540) ModeIndex = ModeIndex_960x540[Depth];
+ else if(VDisplay == 600) ModeIndex = ModeIndex_960x600[Depth];
+ }
+ break;
+ case 1024:
+ if(VDisplay == 576) ModeIndex = ModeIndex_1024x576[Depth];
+ else if(VDisplay == 768) ModeIndex = ModeIndex_1024x768[Depth];
+ else if(VGAEngine == SIS_300_VGA) {
+ if(VDisplay == 600) ModeIndex = ModeIndex_1024x600[Depth];
+ }
+ break;
+ case 1152:
+ if(VDisplay == 864) ModeIndex = ModeIndex_1152x864[Depth];
+ if(VGAEngine == SIS_300_VGA) {
+ if(VDisplay == 768) ModeIndex = ModeIndex_1152x768[Depth];
+ }
+ break;
+ case 1280:
+ switch(VDisplay) {
+ case 720:
+ ModeIndex = ModeIndex_1280x720[Depth];
+ break;
+ case 768:
+ if(VGAEngine == SIS_300_VGA) {
+ ModeIndex = ModeIndex_300_1280x768[Depth];
+ } else {
+ ModeIndex = ModeIndex_310_1280x768[Depth];
+ }
+ break;
+ case 800:
+ if(VGAEngine == SIS_315_VGA) {
+ ModeIndex = ModeIndex_1280x800[Depth];
+ }
+ break;
+ case 960:
+ ModeIndex = ModeIndex_1280x960[Depth];
+ break;
+ case 1024:
+ ModeIndex = ModeIndex_1280x1024[Depth];
+ break;
+ }
+ break;
+ case 1360:
+ if(VDisplay == 768) ModeIndex = ModeIndex_1360x768[Depth];
+ if(VGAEngine == SIS_300_VGA) {
+ if(VDisplay == 1024) ModeIndex = ModeIndex_300_1360x1024[Depth];
+ }
+ break;
+ case 1400:
+ if(VGAEngine == SIS_315_VGA) {
+ if(VDisplay == 1050) {
+ ModeIndex = ModeIndex_1400x1050[Depth];
+ }
+ }
+ break;
+ case 1600:
+ if(VDisplay == 1200) ModeIndex = ModeIndex_1600x1200[Depth];
+ break;
+ case 1680:
+ if(VGAEngine == SIS_315_VGA) {
+ if(VDisplay == 1050) ModeIndex = ModeIndex_1680x1050[Depth];
+ }
+ break;
+ case 1920:
+ if(VDisplay == 1440) ModeIndex = ModeIndex_1920x1440[Depth];
+ else if(VGAEngine == SIS_315_VGA) {
+ if(VDisplay == 1080) ModeIndex = ModeIndex_1920x1080[Depth];
+ }
+ break;
+ case 2048:
+ if(VDisplay == 1536) {
+ if(VGAEngine == SIS_300_VGA) {
+ ModeIndex = ModeIndex_300_2048x1536[Depth];
+ } else {
+ ModeIndex = ModeIndex_310_2048x1536[Depth];
+ }
+ }
+ break;
+ }
+
+ return(ModeIndex);
+}
+#endif
+
+USHORT
+SiS_GetModeID_LCD(int VGAEngine, ULONG VBFlags, int HDisplay, int VDisplay,
+ int Depth, BOOLEAN FSTN, USHORT CustomT, int LCDwidth, int LCDheight)
+{
+ USHORT ModeIndex = 0;
+
+ if(VBFlags & (VB_LVDS | VB_30xBDH)) {
+
+ switch(HDisplay)
+ {
+ case 320:
+ if(CustomT != CUT_PANEL848) {
+ if(VDisplay == 200) ModeIndex = ModeIndex_320x200[Depth];
+ else if(VDisplay == 240) {
+ if(!FSTN) ModeIndex = ModeIndex_320x240[Depth];
+ else if(VGAEngine == SIS_315_VGA) {
+ ModeIndex = ModeIndex_320x240_FSTN[Depth];
+ }
+ }
+ }
+ break;
+ case 400:
+ if(CustomT != CUT_PANEL848) {
+ if(!((VGAEngine == SIS_300_VGA) && (VBFlags & VB_TRUMPION))) {
+ if(VDisplay == 300) ModeIndex = ModeIndex_400x300[Depth];
+ }
+ }
+ break;
+ case 512:
+ if(CustomT != CUT_PANEL848) {
+ if(!((VGAEngine == SIS_300_VGA) && (VBFlags & VB_TRUMPION))) {
+ if(LCDwidth >= 1024 && LCDwidth != 1152 && LCDheight >= 768) {
+ if(VDisplay == 384) {
+ ModeIndex = ModeIndex_512x384[Depth];
+ }
+ }
+ }
+ }
+ break;
+ case 640:
+ if(VDisplay == 480) ModeIndex = ModeIndex_640x480[Depth];
+ else if(VDisplay == 400) {
+ if(CustomT != CUT_PANEL848) ModeIndex = ModeIndex_640x400[Depth];
+ }
+ break;
+ case 800:
+ if(VDisplay == 600) ModeIndex = ModeIndex_800x600[Depth];
+ break;
+ case 848:
+ if(CustomT == CUT_PANEL848) {
+ if(VDisplay == 480) ModeIndex = ModeIndex_848x480[Depth];
+ }
+ break;
+ case 1024:
+ if(VDisplay == 768) ModeIndex = ModeIndex_1024x768[Depth];
+ else if(VGAEngine == SIS_300_VGA) {
+ if((VDisplay == 600) && (LCDheight == 600)) {
+ ModeIndex = ModeIndex_1024x600[Depth];
+ }
+ }
+ break;
+ case 1152:
+ if(VGAEngine == SIS_300_VGA) {
+ if((VDisplay == 768) && (LCDheight == 768)) {
+ ModeIndex = ModeIndex_1152x768[Depth];
+ }
+ }
+ break;
+ case 1280:
+ if(VDisplay == 1024) ModeIndex = ModeIndex_1280x1024[Depth];
+ else if(VGAEngine == SIS_315_VGA) {
+ if((VDisplay == 768) && (LCDheight == 768)) {
+ ModeIndex = ModeIndex_310_1280x768[Depth];
+ }
+ }
+ break;
+ case 1360:
+ if(VGAEngine == SIS_300_VGA) {
+ if(CustomT == CUT_BARCO1366) {
+ if(VDisplay == 1024) ModeIndex = ModeIndex_300_1360x1024[Depth];
+ }
+ }
+ if(CustomT == CUT_PANEL848) {
+ if(VDisplay == 768) ModeIndex = ModeIndex_1360x768[Depth];
+ }
+ break;
+ case 1400:
+ if(VGAEngine == SIS_315_VGA) {
+ if(VDisplay == 1050) ModeIndex = ModeIndex_1400x1050[Depth];
+ }
+ break;
+ case 1600:
+ if(VGAEngine == SIS_315_VGA) {
+ if(VDisplay == 1200) ModeIndex = ModeIndex_1600x1200[Depth];
+ }
+ break;
+ }
+
+ } else if(VBFlags & VB_SISBRIDGE) {
+
+ switch(HDisplay)
+ {
+ case 320:
+ if(VDisplay == 200) ModeIndex = ModeIndex_320x200[Depth];
+ else if(VDisplay == 240) ModeIndex = ModeIndex_320x240[Depth];
+ break;
+ case 400:
+ if(LCDwidth >= 800 && LCDheight >= 600) {
+ if(VDisplay == 300) ModeIndex = ModeIndex_400x300[Depth];
+ }
+ break;
+ case 512:
+ if(LCDwidth >= 1024 && LCDheight >= 768 && LCDwidth != 1152) {
+ if(VDisplay == 384) ModeIndex = ModeIndex_512x384[Depth];
+ }
+ break;
+ case 640:
+ if(VDisplay == 480) ModeIndex = ModeIndex_640x480[Depth];
+ else if(VDisplay == 400) ModeIndex = ModeIndex_640x400[Depth];
+ break;
+ case 720:
+ if(VGAEngine == SIS_315_VGA) {
+ if(VDisplay == 480) ModeIndex = ModeIndex_720x480[Depth];
+ else if(VDisplay == 576) ModeIndex = ModeIndex_720x576[Depth];
+ }
+ break;
+ case 768:
+ if(VGAEngine == SIS_315_VGA) {
+ if(VDisplay == 576) ModeIndex = ModeIndex_768x576[Depth];
+ }
+ break;
+ case 800:
+ if(VDisplay == 600) ModeIndex = ModeIndex_800x600[Depth];
+ if(VGAEngine == SIS_315_VGA) {
+ if(VDisplay == 480) ModeIndex = ModeIndex_800x480[Depth];
+ }
+ break;
+ case 848:
+ if(VGAEngine == SIS_315_VGA) {
+ if(VDisplay == 480) ModeIndex = ModeIndex_848x480[Depth];
+ }
+ break;
+ case 856:
+ if(VGAEngine == SIS_315_VGA) {
+ if(VDisplay == 480) ModeIndex = ModeIndex_856x480[Depth];
+ }
+ break;
+ case 960:
+ if(VGAEngine == SIS_315_VGA) {
+ if(VDisplay == 540) ModeIndex = ModeIndex_960x540[Depth];
+ else if(VDisplay == 600) ModeIndex = ModeIndex_960x600[Depth];
+ }
+ break;
+ case 1024:
+ if(VDisplay == 768) ModeIndex = ModeIndex_1024x768[Depth];
+ if(VGAEngine == SIS_315_VGA) {
+ if(VDisplay == 576) ModeIndex = ModeIndex_1024x576[Depth];
+ }
+ break;
+ case 1152:
+ if(VGAEngine == SIS_315_VGA) {
+ if(VDisplay == 864) ModeIndex = ModeIndex_1152x864[Depth];
+ }
+ break;
+ case 1280:
+ switch(VDisplay) {
+ case 720:
+ ModeIndex = ModeIndex_1280x720[Depth];
+ case 768:
+ if(VGAEngine == SIS_300_VGA) {
+ ModeIndex = ModeIndex_300_1280x768[Depth];
+ } else {
+ ModeIndex = ModeIndex_310_1280x768[Depth];
+ }
+ break;
+ case 800:
+ if(VGAEngine == SIS_315_VGA) {
+ ModeIndex = ModeIndex_1280x800[Depth];
+ }
+ break;
+ case 960:
+ ModeIndex = ModeIndex_1280x960[Depth];
+ break;
+ case 1024:
+ ModeIndex = ModeIndex_1280x1024[Depth];
+ break;
+ }
+ break;
+ case 1360:
+ if(VGAEngine == SIS_315_VGA) {
+ if(VDisplay == 768) ModeIndex = ModeIndex_1360x768[Depth];
+ }
+ break;
+ case 1400:
+ if(VGAEngine == SIS_315_VGA) {
+ if(VBFlags & (VB_301C | VB_302LV | VB_302ELV)) {
+ if(VDisplay == 1050) ModeIndex = ModeIndex_1400x1050[Depth];
+ }
+ }
+ break;
+ case 1600:
+ if(VGAEngine == SIS_315_VGA) {
+ if(VBFlags & (VB_301C | VB_302LV | VB_302ELV)) {
+ if(VDisplay == 1200) ModeIndex = ModeIndex_1600x1200[Depth];
+ }
+ }
+ break;
+#ifndef VB_FORBID_CRT2LCD_OVER_1600
+ case 1680:
+ if(VGAEngine == SIS_315_VGA) {
+ if(VBFlags & (VB_301C | VB_302LV | VB_302ELV)) {
+ if(VDisplay == 1050) ModeIndex = ModeIndex_1680x1050[Depth];
+ }
+ }
+ break;
+#endif
+ }
+ }
+
+ return ModeIndex;
+}
+
+USHORT
+SiS_GetModeID_TV(int VGAEngine, ULONG VBFlags, int HDisplay, int VDisplay, int Depth)
+{
+ USHORT ModeIndex = 0;
+
+ if(VBFlags & VB_CHRONTEL) {
+
+ switch(HDisplay)
+ {
+ case 512:
+ if(VGAEngine == SIS_315_VGA) {
+ if(VDisplay == 384) ModeIndex = ModeIndex_512x384[Depth];
+ }
+ break;
+ case 640:
+ if(VDisplay == 480) ModeIndex = ModeIndex_640x480[Depth];
+ else if(VDisplay == 400) ModeIndex = ModeIndex_640x400[Depth];
+ break;
+ case 800:
+ if(VDisplay == 600) ModeIndex = ModeIndex_800x600[Depth];
+ break;
+ case 1024:
+ if(VGAEngine == SIS_315_VGA) {
+ if(VDisplay == 768) ModeIndex = ModeIndex_1024x768[Depth];
+ }
+ break;
+ }
+
+ } else if(VBFlags & VB_SISTVBRIDGE) {
+
+ switch(HDisplay)
+ {
+ case 320:
+ if(VDisplay == 200) ModeIndex = ModeIndex_320x200[Depth];
+ else if(VDisplay == 240) ModeIndex = ModeIndex_320x240[Depth];
+ break;
+ case 400:
+ if(VDisplay == 300) ModeIndex = ModeIndex_400x300[Depth];
+ break;
+ case 512:
+ if( ((VBFlags & TV_YPBPR) && (VBFlags & (TV_YPBPR750P | TV_YPBPR1080I))) ||
+ (VBFlags & TV_HIVISION) ||
+ ((!(VBFlags & (TV_YPBPR | TV_PALM))) && (VBFlags & TV_PAL)) ) {
+ if(VDisplay == 384) ModeIndex = ModeIndex_512x384[Depth];
+ }
+ break;
+ case 640:
+ if(VDisplay == 480) ModeIndex = ModeIndex_640x480[Depth];
+ else if(VDisplay == 400) ModeIndex = ModeIndex_640x400[Depth];
+ break;
+ case 720:
+ if((!(VBFlags & TV_HIVISION)) && (!((VBFlags & TV_YPBPR) && (VBFlags & TV_YPBPR1080I)))) {
+ if(VDisplay == 480) {
+ ModeIndex = ModeIndex_720x480[Depth];
+ } else if(VDisplay == 576) {
+ if( ((VBFlags & TV_YPBPR) && (VBFlags & TV_YPBPR750P)) ||
+ ((!(VBFlags & (TV_YPBPR | TV_PALM))) && (VBFlags & TV_PAL)) )
+ ModeIndex = ModeIndex_720x576[Depth];
+ }
+ }
+ break;
+ case 768:
+ if((!(VBFlags & TV_HIVISION)) && (!((VBFlags & TV_YPBPR) && (VBFlags & TV_YPBPR1080I)))) {
+ if( ((VBFlags & TV_YPBPR) && (VBFlags & TV_YPBPR750P)) ||
+ ((!(VBFlags & (TV_YPBPR | TV_PALM))) && (VBFlags & TV_PAL)) ) {
+ if(VDisplay == 576) ModeIndex = ModeIndex_768x576[Depth];
+ }
+ }
+ break;
+ case 800:
+ if(VDisplay == 600) ModeIndex = ModeIndex_800x600[Depth];
+ else if(VDisplay == 480) {
+ if((VBFlags & TV_HIVISION) || ((VBFlags & TV_YPBPR) && (VBFlags & TV_YPBPR1080I))) {
+ ModeIndex = ModeIndex_800x480[Depth];
+ }
+ }
+ break;
+ case 960:
+ if(VGAEngine == SIS_315_VGA) {
+ if(VDisplay == 600) {
+ if((VBFlags & TV_HIVISION) || ((VBFlags & TV_YPBPR) && (VBFlags & TV_YPBPR1080I))) {
+ ModeIndex = ModeIndex_960x600[Depth];
+ }
+ }
+ }
+ break;
+ case 1024:
+ if(VDisplay == 768) {
+ if(VBFlags & (VB_301B|VB_301C|VB_302B|VB_301LV|VB_302LV|VB_302ELV)) {
+ ModeIndex = ModeIndex_1024x768[Depth];
+ }
+ } else if(VDisplay == 576) {
+ if((VBFlags & TV_HIVISION) || ((VBFlags & TV_YPBPR) && (VBFlags & TV_YPBPR1080I))) {
+ ModeIndex = ModeIndex_1024x576[Depth];
+ }
+ }
+ break;
+ case 1280:
+ if(VDisplay == 720) {
+ if((VBFlags & TV_HIVISION) ||
+ ((VBFlags & TV_YPBPR) && (VBFlags & (TV_YPBPR1080I | TV_YPBPR750P)))) {
+ ModeIndex = ModeIndex_1280x720[Depth];
+ }
+ } else if(VDisplay == 1024) {
+ if((VBFlags & TV_HIVISION) ||
+ ((VBFlags & TV_YPBPR) && (VBFlags & TV_YPBPR1080I))) {
+ ModeIndex = ModeIndex_1280x1024[Depth];
+ }
+ }
+ break;
+ }
+ }
+ return ModeIndex;
+}
+
+USHORT
+SiS_GetModeID_VGA2(int VGAEngine, ULONG VBFlags, int HDisplay, int VDisplay, int Depth)
+{
+ USHORT ModeIndex = 0;
+
+ if(!(VBFlags & (VB_301|VB_301B|VB_301C|VB_302B))) return 0;
+
+ switch(HDisplay)
+ {
+ case 320:
+ if(VDisplay == 200) ModeIndex = ModeIndex_320x200[Depth];
+ else if(VDisplay == 240) ModeIndex = ModeIndex_320x240[Depth];
+ break;
+ case 400:
+ if(VDisplay == 300) ModeIndex = ModeIndex_400x300[Depth];
+ break;
+ case 512:
+ if(VDisplay == 384) ModeIndex = ModeIndex_512x384[Depth];
+ break;
+ case 640:
+ if(VDisplay == 480) ModeIndex = ModeIndex_640x480[Depth];
+ else if(VDisplay == 400) ModeIndex = ModeIndex_640x400[Depth];
+ break;
+ case 720:
+ if(VDisplay == 480) ModeIndex = ModeIndex_720x480[Depth];
+ else if(VDisplay == 576) ModeIndex = ModeIndex_720x576[Depth];
+ break;
+ case 768:
+ if(VDisplay == 576) ModeIndex = ModeIndex_768x576[Depth];
+ break;
+ case 800:
+ if(VDisplay == 600) ModeIndex = ModeIndex_800x600[Depth];
+ else if(VDisplay == 480) ModeIndex = ModeIndex_800x480[Depth];
+ break;
+ case 848:
+ if(VDisplay == 480) ModeIndex = ModeIndex_848x480[Depth];
+ break;
+ case 856:
+ if(VDisplay == 480) ModeIndex = ModeIndex_856x480[Depth];
+ break;
+ case 960:
+ if(VGAEngine == SIS_315_VGA) {
+ if(VDisplay == 540) ModeIndex = ModeIndex_960x540[Depth];
+ else if(VDisplay == 600) ModeIndex = ModeIndex_960x600[Depth];
+ }
+ break;
+ case 1024:
+ if(VDisplay == 768) ModeIndex = ModeIndex_1024x768[Depth];
+ else if(VDisplay == 576) ModeIndex = ModeIndex_1024x576[Depth];
+ break;
+ case 1152:
+ if(VDisplay == 864) ModeIndex = ModeIndex_1152x864[Depth];
+ else if(VGAEngine == SIS_300_VGA) {
+ if(VDisplay == 768) ModeIndex = ModeIndex_1152x768[Depth];
+ }
+ break;
+ case 1280:
+ if(VDisplay == 768) {
+ if(VGAEngine == SIS_300_VGA) {
+ ModeIndex = ModeIndex_300_1280x768[Depth];
+ } else {
+ ModeIndex = ModeIndex_310_1280x768[Depth];
+ }
+ } else if(VDisplay == 1024) ModeIndex = ModeIndex_1280x1024[Depth];
+ else if(VDisplay == 720) ModeIndex = ModeIndex_1280x720[Depth];
+ else if(VDisplay == 800) ModeIndex = ModeIndex_1280x800[Depth];
+ else if(VDisplay == 960) ModeIndex = ModeIndex_1280x960[Depth];
+ break;
+ case 1360:
+ if(VDisplay == 768) ModeIndex = ModeIndex_1360x768[Depth];
+ break;
+ case 1400:
+ if(VGAEngine == SIS_315_VGA) {
+ if(VDisplay == 1050) ModeIndex = ModeIndex_1400x1050[Depth];
+ }
+ break;
+ case 1600:
+ if(VGAEngine == SIS_315_VGA) {
+ if(VBFlags & (VB_301B|VB_301C|VB_302B)) {
+ if(VDisplay == 1200) ModeIndex = ModeIndex_1600x1200[Depth];
+ }
+ }
+ break;
+ case 1680:
+ if(VGAEngine == SIS_315_VGA) {
+ if(VBFlags & (VB_301B|VB_301C|VB_302B)) {
+ if(VDisplay == 1050) ModeIndex = ModeIndex_1680x1050[Depth];
+ }
+ }
+ break;
+ }
+
+ return ModeIndex;
+}
+
+
+/*********************************************/
+/* HELPER: SetReg, GetReg */
+/*********************************************/
+
+void
+SiS_SetReg(SISIOADDRESS port, USHORT index, USHORT data)
+{
+ OutPortByte(port,index);
+ OutPortByte(port + 1,data);
+}
+
+void
+SiS_SetRegByte(SISIOADDRESS port, USHORT data)
+{
+ OutPortByte(port,data);
+}
+
+void
+SiS_SetRegShort(SISIOADDRESS port, USHORT data)
+{
+ OutPortWord(port,data);
+}
+
+void
+SiS_SetRegLong(SISIOADDRESS port, ULONG data)
+{
+ OutPortLong(port,data);
+}
+
+UCHAR
+SiS_GetReg(SISIOADDRESS port, USHORT index)
+{
+ OutPortByte(port,index);
+ return(InPortByte(port + 1));
+}
+
+UCHAR
+SiS_GetRegByte(SISIOADDRESS port)
+{
+ return(InPortByte(port));
+}
+
+USHORT
+SiS_GetRegShort(SISIOADDRESS port)
+{
+ return(InPortWord(port));
+}
+
+ULONG
+SiS_GetRegLong(SISIOADDRESS port)
+{
+ return(InPortLong(port));
+}
+
+void
+SiS_SetRegANDOR(SISIOADDRESS Port,USHORT Index,USHORT DataAND,USHORT DataOR)
+{
+ USHORT temp;
+
+ temp = SiS_GetReg(Port,Index);
+ temp = (temp & (DataAND)) | DataOR;
+ SiS_SetReg(Port,Index,temp);
+}
+
+void
+SiS_SetRegAND(SISIOADDRESS Port,USHORT Index,USHORT DataAND)
+{
+ USHORT temp;
+
+ temp = SiS_GetReg(Port,Index);
+ temp &= DataAND;
+ SiS_SetReg(Port,Index,temp);
+}
+
+void
+SiS_SetRegOR(SISIOADDRESS Port,USHORT Index,USHORT DataOR)
+{
+ USHORT temp;
+
+ temp = SiS_GetReg(Port,Index);
+ temp |= DataOR;
+ SiS_SetReg(Port,Index,temp);
+}
+
+/*********************************************/
+/* HELPER: DisplayOn, DisplayOff */
+/*********************************************/
+
+void
+SiS_DisplayOn(SiS_Private *SiS_Pr)
+{
+ SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x01,0xDF);
+}
+
+void
+SiS_DisplayOff(SiS_Private *SiS_Pr)
+{
+ SiS_SetRegOR(SiS_Pr->SiS_P3c4,0x01,0x20);
+}
+
+
+/*********************************************/
+/* HELPER: Init Port Addresses */
+/*********************************************/
+
+void
+SiSRegInit(SiS_Private *SiS_Pr, SISIOADDRESS BaseAddr)
+{
+ SiS_Pr->SiS_P3c4 = BaseAddr + 0x14;
+ SiS_Pr->SiS_P3d4 = BaseAddr + 0x24;
+ SiS_Pr->SiS_P3c0 = BaseAddr + 0x10;
+ SiS_Pr->SiS_P3ce = BaseAddr + 0x1e;
+ SiS_Pr->SiS_P3c2 = BaseAddr + 0x12;
+ SiS_Pr->SiS_P3ca = BaseAddr + 0x1a;
+ SiS_Pr->SiS_P3c6 = BaseAddr + 0x16;
+ SiS_Pr->SiS_P3c7 = BaseAddr + 0x17;
+ SiS_Pr->SiS_P3c8 = BaseAddr + 0x18;
+ SiS_Pr->SiS_P3c9 = BaseAddr + 0x19;
+ SiS_Pr->SiS_P3cb = BaseAddr + 0x1b;
+ SiS_Pr->SiS_P3cd = BaseAddr + 0x1d;
+ SiS_Pr->SiS_P3da = BaseAddr + 0x2a;
+ SiS_Pr->SiS_Part1Port = BaseAddr + SIS_CRT2_PORT_04; /* Digital video interface registers (LCD) */
+ SiS_Pr->SiS_Part2Port = BaseAddr + SIS_CRT2_PORT_10; /* 301 TV Encoder registers */
+ SiS_Pr->SiS_Part3Port = BaseAddr + SIS_CRT2_PORT_12; /* 301 Macrovision registers */
+ SiS_Pr->SiS_Part4Port = BaseAddr + SIS_CRT2_PORT_14; /* 301 VGA2 (and LCD) registers */
+ SiS_Pr->SiS_Part5Port = BaseAddr + SIS_CRT2_PORT_14 + 2; /* 301 palette address port registers */
+ SiS_Pr->SiS_DDC_Port = BaseAddr + 0x14; /* DDC Port ( = P3C4, SR11/0A) */
+ SiS_Pr->SiS_VidCapt = BaseAddr + SIS_VIDEO_CAPTURE;
+ SiS_Pr->SiS_VidPlay = BaseAddr + SIS_VIDEO_PLAYBACK;
+}
+
+/*********************************************/
+/* HELPER: GetSysFlags */
+/*********************************************/
+
+static void
+SiS_GetSysFlags(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+{
+ unsigned char cr5f, temp1, temp2;
+
+ /* 661 and newer: NEVER write non-zero to SR11[7:4] */
+ /* (SR11 is used for DDC and in enable/disablebridge) */
+ SiS_Pr->SiS_SensibleSR11 = FALSE;
+ SiS_Pr->SiS_MyCR63 = 0x63;
+ if(HwInfo->jChipType >= SIS_330) {
+ SiS_Pr->SiS_MyCR63 = 0x53;
+ if(HwInfo->jChipType >= SIS_661) {
+ SiS_Pr->SiS_SensibleSR11 = TRUE;
+ }
+ }
+
+ /* You should use the macros, not these flags directly */
+
+ SiS_Pr->SiS_SysFlags = 0;
+ if(HwInfo->jChipType == SIS_650) {
+ cr5f = SiS_GetReg(SiS_Pr->SiS_P3d4,0x5f) & 0xf0;
+ SiS_SetRegAND(SiS_Pr->SiS_P3d4,0x5c,0x07);
+ temp1 = SiS_GetReg(SiS_Pr->SiS_P3d4,0x5c) & 0xf8;
+ SiS_SetRegOR(SiS_Pr->SiS_P3d4,0x5c,0xf8);
+ temp2 = SiS_GetReg(SiS_Pr->SiS_P3d4,0x5c) & 0xf8;
+ if((!temp1) || (temp2)) {
+ switch(cr5f) {
+ case 0x80:
+ case 0x90:
+ case 0xc0:
+ SiS_Pr->SiS_SysFlags |= SF_IsM650; break;
+ case 0xa0:
+ case 0xb0:
+ case 0xe0:
+ SiS_Pr->SiS_SysFlags |= SF_Is651; break;
+ }
+ } else {
+ switch(cr5f) {
+ case 0x90:
+ temp1 = SiS_GetReg(SiS_Pr->SiS_P3d4,0x5c) & 0xf8;
+ switch(temp1) {
+ case 0x00: SiS_Pr->SiS_SysFlags |= SF_IsM652; break;
+ case 0x40: SiS_Pr->SiS_SysFlags |= SF_IsM653; break;
+ default: SiS_Pr->SiS_SysFlags |= SF_IsM650; break;
+ }
+ break;
+ case 0xb0:
+ SiS_Pr->SiS_SysFlags |= SF_Is652; break;
+ default:
+ SiS_Pr->SiS_SysFlags |= SF_IsM650; break;
+ }
+ }
+ }
+ if(HwInfo->jChipType == SIS_760) {
+ temp1 = SiS_GetReg(SiS_Pr->SiS_P3d4,0x78);
+ if(temp1 & 0x30) SiS_Pr->SiS_SysFlags |= SF_760LFB;
+ }
+}
+
+/*********************************************/
+/* HELPER: Init PCI & Engines */
+/*********************************************/
+
+static void
+SiSInitPCIetc(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+{
+ switch(HwInfo->jChipType) {
+ case SIS_300:
+ case SIS_540:
+ case SIS_630:
+ case SIS_730:
+ /* Set - PCI LINEAR ADDRESSING ENABLE (0x80)
+ * - RELOCATED VGA IO (0x20)
+ * - MMIO ENABLE (0x1)
+ */
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x20,0xa1);
+ /* - Enable 2D (0x40)
+ * - Enable 3D (0x02)
+ * - Enable 3D Vertex command fetch (0x10) ?
+ * - Enable 3D command parser (0x08) ?
+ */
+ SiS_SetRegOR(SiS_Pr->SiS_P3c4,0x1E,0x5A);
+ break;
+ case SIS_315H:
+ case SIS_315:
+ case SIS_315PRO:
+ case SIS_650:
+ case SIS_740:
+ case SIS_330:
+ case SIS_661:
+ case SIS_741:
+ case SIS_660:
+ case SIS_760:
+ case SIS_761:
+ case SIS_340:
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x20,0xa1);
+ /* - Enable 2D (0x40)
+ * - Enable 3D (0x02)
+ * - Enable 3D vertex command fetch (0x10)
+ * - Enable 3D command parser (0x08)
+ * - Enable 3D G/L transformation engine (0x80)
+ */
+ SiS_SetRegOR(SiS_Pr->SiS_P3c4,0x1E,0xDA);
+ break;
+ case SIS_550:
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x20,0xa1);
+ /* No 3D engine ! */
+ /* - Enable 2D (0x40)
+ */
+ SiS_SetRegOR(SiS_Pr->SiS_P3c4,0x1E,0x40);
+ }
+}
+
+/*********************************************/
+/* HELPER: SetLVDSetc */
+/*********************************************/
+
+void
+SiSSetLVDSetc(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+{
+ USHORT temp;
+
+ SiS_Pr->SiS_IF_DEF_LVDS = 0;
+ SiS_Pr->SiS_IF_DEF_TRUMPION = 0;
+ SiS_Pr->SiS_IF_DEF_CH70xx = 0;
+ SiS_Pr->SiS_IF_DEF_DSTN = 0;
+ SiS_Pr->SiS_IF_DEF_FSTN = 0;
+ SiS_Pr->SiS_IF_DEF_CONEX = 0;
+
+ SiS_Pr->SiS_ChrontelInit = 0;
+
+ /* Check for SiS30x first */
+ temp = SiS_GetReg(SiS_Pr->SiS_Part4Port,0x00);
+ if((temp == 1) || (temp == 2)) return;
+
+ switch(HwInfo->jChipType) {
+#ifdef SIS300
+ case SIS_540:
+ case SIS_630:
+ case SIS_730:
+ temp = SiS_GetReg(SiS_Pr->SiS_P3d4,0x37);
+ temp = (temp & 0x0E) >> 1;
+ if((temp >= 2) && (temp <= 5)) SiS_Pr->SiS_IF_DEF_LVDS = 1;
+ if(temp == 3) SiS_Pr->SiS_IF_DEF_TRUMPION = 1;
+ if((temp == 4) || (temp == 5)) {
+ /* Save power status (and error check) - UNUSED */
+ SiS_Pr->SiS_Backup70xx = SiS_GetCH700x(SiS_Pr, 0x0e);
+ SiS_Pr->SiS_IF_DEF_CH70xx = 1;
+ }
+ break;
+#endif
+#ifdef SIS315H
+ case SIS_550:
+ case SIS_650:
+ case SIS_740:
+ case SIS_330:
+ temp = SiS_GetReg(SiS_Pr->SiS_P3d4,0x37);
+ temp = (temp & 0x0E) >> 1;
+ if((temp >= 2) && (temp <= 3)) SiS_Pr->SiS_IF_DEF_LVDS = 1;
+ if(temp == 3) SiS_Pr->SiS_IF_DEF_CH70xx = 2;
+ break;
+ case SIS_661:
+ case SIS_741:
+ case SIS_660:
+ case SIS_760:
+ case SIS_761:
+ case SIS_340:
+ temp = SiS_GetReg(SiS_Pr->SiS_P3d4,0x38);
+ temp = (temp & 0xe0) >> 5;
+ if((temp >= 2) && (temp <= 3)) SiS_Pr->SiS_IF_DEF_LVDS = 1;
+ if(temp == 3) SiS_Pr->SiS_IF_DEF_CH70xx = 2;
+ if(temp == 4) SiS_Pr->SiS_IF_DEF_CONEX = 1; /* Not yet supported */
+ break;
+#endif
+ default:
+ break;
+ }
+}
+
+/*********************************************/
+/* HELPER: Enable DSTN/FSTN */
+/*********************************************/
+
+void
+SiS_SetEnableDstn(SiS_Private *SiS_Pr, int enable)
+{
+ SiS_Pr->SiS_IF_DEF_DSTN = enable ? 1 : 0;
+}
+
+void
+SiS_SetEnableFstn(SiS_Private *SiS_Pr, int enable)
+{
+ SiS_Pr->SiS_IF_DEF_FSTN = enable ? 1 : 0;
+}
+
+/*********************************************/
+/* HELPER: Determine ROM usage */
+/*********************************************/
+
+BOOLEAN
+SiSDetermineROMLayout661(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+{
+ UCHAR *ROMAddr = HwInfo->pjVirtualRomBase;
+ USHORT romversoffs, romvmaj = 1, romvmin = 0;
+
+ if(HwInfo->jChipType >= SIS_761) {
+ /* I very much assume 761 and 340 will use new layout */
+ return TRUE;
+ } else if(HwInfo->jChipType >= SIS_661) {
+ if((ROMAddr[0x1a] == 'N') &&
+ (ROMAddr[0x1b] == 'e') &&
+ (ROMAddr[0x1c] == 'w') &&
+ (ROMAddr[0x1d] == 'V')) {
+ return TRUE;
+ }
+ romversoffs = ROMAddr[0x16] | (ROMAddr[0x17] << 8);
+ if(romversoffs) {
+ if((ROMAddr[romversoffs+1] == '.') || (ROMAddr[romversoffs+4] == '.')) {
+ romvmaj = ROMAddr[romversoffs] - '0';
+ romvmin = ((ROMAddr[romversoffs+2] -'0') * 10) + (ROMAddr[romversoffs+3] - '0');
+ }
+ }
+ if((romvmaj != 0) || (romvmin >= 92)) {
+ return TRUE;
+ }
+ } else if(IS_SIS650740) {
+ if((ROMAddr[0x1a] == 'N') &&
+ (ROMAddr[0x1b] == 'e') &&
+ (ROMAddr[0x1c] == 'w') &&
+ (ROMAddr[0x1d] == 'V')) {
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+
+static void
+SiSDetermineROMUsage(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+{
+ UCHAR *ROMAddr = HwInfo->pjVirtualRomBase;
+ USHORT romptr = 0;
+
+ SiS_Pr->SiS_UseROM = FALSE;
+ SiS_Pr->SiS_ROMNew = FALSE;
+
+ if((ROMAddr) && (HwInfo->UseROM)) {
+ if(HwInfo->jChipType == SIS_300) {
+ /* 300: We check if the code starts below 0x220 by
+ * checking the jmp instruction at the beginning
+ * of the BIOS image.
+ */
+ if((ROMAddr[3] == 0xe9) && ((ROMAddr[5] << 8) | ROMAddr[4]) > 0x21a)
+ SiS_Pr->SiS_UseROM = TRUE;
+ } else if(HwInfo->jChipType < SIS_315H) {
+ /* Sony's VAIO BIOS 1.09 follows the standard, so perhaps
+ * the others do as well
+ */
+ SiS_Pr->SiS_UseROM = TRUE;
+ } else {
+ /* 315/330 series stick to the standard(s) */
+ SiS_Pr->SiS_UseROM = TRUE;
+ if((SiS_Pr->SiS_ROMNew = SiSDetermineROMLayout661(SiS_Pr, HwInfo))) {
+ SiS_Pr->SiS_EMIOffset = 14;
+ SiS_Pr->SiS661LCD2TableSize = 36;
+ /* Find out about LCD data table entry size */
+ if((romptr = SISGETROMW(0x0102))) {
+ if(ROMAddr[romptr + (32 * 16)] == 0xff)
+ SiS_Pr->SiS661LCD2TableSize = 32;
+ else if(ROMAddr[romptr + (34 * 16)] == 0xff)
+ SiS_Pr->SiS661LCD2TableSize = 34;
+ else if(ROMAddr[romptr + (36 * 16)] == 0xff) /* 0.94 */
+ SiS_Pr->SiS661LCD2TableSize = 36;
+ else if( (ROMAddr[romptr + (38 * 16)] == 0xff) || /* 2.00.00 - 2.02.00 */
+ (ROMAddr[0x6F] & 0x01) ) { /* 2.03.00+ */
+ SiS_Pr->SiS661LCD2TableSize = 38;
+ SiS_Pr->SiS_EMIOffset = 16;
+ }
+ }
+ }
+ }
+ }
+}
+
+/*********************************************/
+/* HELPER: SET SEGMENT REGISTERS */
+/*********************************************/
+
+static void
+SiS_SetSegRegLower(SiS_Private *SiS_Pr, USHORT value)
+{
+ USHORT temp;
+
+ value &= 0x00ff;
+ temp = SiS_GetRegByte(SiS_Pr->SiS_P3cb) & 0xf0;
+ temp |= (value >> 4);
+ SiS_SetRegByte(SiS_Pr->SiS_P3cb, temp);
+ temp = SiS_GetRegByte(SiS_Pr->SiS_P3cd) & 0xf0;
+ temp |= (value & 0x0f);
+ SiS_SetRegByte(SiS_Pr->SiS_P3cd, temp);
+}
+
+static void
+SiS_SetSegRegUpper(SiS_Private *SiS_Pr, USHORT value)
+{
+ USHORT temp;
+
+ value &= 0x00ff;
+ temp = SiS_GetRegByte(SiS_Pr->SiS_P3cb) & 0x0f;
+ temp |= (value & 0xf0);
+ SiS_SetRegByte(SiS_Pr->SiS_P3cb, temp);
+ temp = SiS_GetRegByte(SiS_Pr->SiS_P3cd) & 0x0f;
+ temp |= (value << 4);
+ SiS_SetRegByte(SiS_Pr->SiS_P3cd, temp);
+}
+
+static void
+SiS_SetSegmentReg(SiS_Private *SiS_Pr, USHORT value)
+{
+ SiS_SetSegRegLower(SiS_Pr, value);
+ SiS_SetSegRegUpper(SiS_Pr, value);
+}
+
+static void
+SiS_ResetSegmentReg(SiS_Private *SiS_Pr)
+{
+ SiS_SetSegmentReg(SiS_Pr, 0);
+}
+
+static void
+SiS_SetSegmentRegOver(SiS_Private *SiS_Pr, USHORT value)
+{
+ USHORT temp = value >> 8;
+
+ temp &= 0x07;
+ temp |= (temp << 4);
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x1d,temp);
+ SiS_SetSegmentReg(SiS_Pr, value);
+}
+
+static void
+SiS_ResetSegmentRegOver(SiS_Private *SiS_Pr)
+{
+ SiS_SetSegmentRegOver(SiS_Pr, 0);
+}
+
+static void
+SiS_ResetSegmentRegisters(SiS_Private *SiS_Pr,PSIS_HW_INFO HwInfo)
+{
+ if((IS_SIS65x) || (HwInfo->jChipType >= SIS_661)) {
+ SiS_ResetSegmentReg(SiS_Pr);
+ SiS_ResetSegmentRegOver(SiS_Pr);
+ }
+}
+
+/*********************************************/
+/* HELPER: GetVBType */
+/*********************************************/
+
+void
+SiS_GetVBType(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+{
+ USHORT flag=0, rev=0, nolcd=0, p4_0f, p4_25, p4_27;
+
+ SiS_Pr->SiS_VBType = 0;
+
+ if((SiS_Pr->SiS_IF_DEF_LVDS) || (SiS_Pr->SiS_IF_DEF_CONEX))
+ return;
+
+ flag = SiS_GetReg(SiS_Pr->SiS_Part4Port,0x00);
+
+ if(flag > 3) return;
+
+ rev = SiS_GetReg(SiS_Pr->SiS_Part4Port,0x01);
+
+ if(flag >= 2) {
+ SiS_Pr->SiS_VBType = VB_SIS302B;
+ } else if(flag == 1) {
+ if(rev >= 0xC0) {
+ SiS_Pr->SiS_VBType = VB_SIS301C;
+ } else if(rev >= 0xB0) {
+ SiS_Pr->SiS_VBType = VB_SIS301B;
+ /* Check if 30xB DH version (no LCD support, use Panel Link instead) */
+ nolcd = SiS_GetReg(SiS_Pr->SiS_Part4Port,0x23);
+ if(!(nolcd & 0x02)) SiS_Pr->SiS_VBType |= VB_NoLCD;
+ } else {
+ SiS_Pr->SiS_VBType = VB_SIS301;
+ }
+ }
+ if(SiS_Pr->SiS_VBType & (VB_SIS301B | VB_SIS301C | VB_SIS302B)) {
+ if(rev >= 0xE0) {
+ flag = SiS_GetReg(SiS_Pr->SiS_Part4Port,0x39);
+ if(flag == 0xff) SiS_Pr->SiS_VBType = VB_SIS302LV;
+ else SiS_Pr->SiS_VBType = VB_SIS301C; /* VB_SIS302ELV; */
+ } else if(rev >= 0xD0) {
+ SiS_Pr->SiS_VBType = VB_SIS301LV;
+ }
+ }
+ if(SiS_Pr->SiS_VBType & (VB_301C | VB_301LV | VB_302LV | VB_302ELV)) {
+ p4_0f = SiS_GetReg(SiS_Pr->SiS_Part4Port,0x0f);
+ p4_25 = SiS_GetReg(SiS_Pr->SiS_Part4Port,0x25);
+ p4_27 = SiS_GetReg(SiS_Pr->SiS_Part4Port,0x27);
+ SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x0f,0x7f);
+ SiS_SetRegOR(SiS_Pr->SiS_Part4Port,0x25,0x08);
+ SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0x27,0xfd);
+ if(SiS_GetReg(SiS_Pr->SiS_Part4Port,0x26) & 0x08) {
+ SiS_Pr->SiS_VBType |= VB_UMC;
+ }
+ SiS_SetReg(SiS_Pr->SiS_Part4Port,0x27,p4_27);
+ SiS_SetReg(SiS_Pr->SiS_Part4Port,0x25,p4_25);
+ SiS_SetReg(SiS_Pr->SiS_Part4Port,0x0f,p4_0f);
+ }
+}
+
+/*********************************************/
+/* HELPER: Check RAM size */
+/*********************************************/
+
+#ifdef LINUX_KERNEL
+static BOOLEAN
+SiS_CheckMemorySize(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
+ USHORT ModeNo, USHORT ModeIdIndex)
+{
+ USHORT AdapterMemSize = HwInfo->ulVideoMemorySize / (1024*1024);
+ USHORT memorysize,modeflag;
+
+ if(SiS_Pr->UseCustomMode) {
+ modeflag = SiS_Pr->CModeFlag;
+ } else {
+ if(ModeNo <= 0x13) {
+ modeflag = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ModeFlag;
+ } else {
+ modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag;
+ }
+ }
+
+ memorysize = modeflag & MemoryInfoFlag;
+ memorysize >>= MemorySizeShift; /* Get required memory size */
+ memorysize++;
+
+ if(AdapterMemSize < memorysize) return FALSE;
+ return TRUE;
+}
+#endif
+
+/*********************************************/
+/* HELPER: Get DRAM type */
+/*********************************************/
+
+#ifdef SIS315H
+static UCHAR
+SiS_Get310DRAMType(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+{
+ UCHAR data, temp;
+
+ if((*SiS_Pr->pSiS_SoftSetting) & SoftDRAMType) {
+ data = (*SiS_Pr->pSiS_SoftSetting) & 0x03;
+ } else {
+ if(HwInfo->jChipType >= SIS_340) {
+ /* TODO */
+ data = 0;
+ } if(HwInfo->jChipType >= SIS_661) {
+ data = SiS_GetReg(SiS_Pr->SiS_P3d4,0x78) & 0x07;
+ if(SiS_Pr->SiS_ROMNew) {
+ data = ((SiS_GetReg(SiS_Pr->SiS_P3d4,0x78) & 0xc0) >> 6);
+ }
+ } else if(IS_SIS550650740) {
+ data = SiS_GetReg(SiS_Pr->SiS_P3c4,0x13) & 0x07;
+ } else { /* 315, 330 */
+ data = SiS_GetReg(SiS_Pr->SiS_P3c4,0x3a) & 0x03;
+ if(HwInfo->jChipType == SIS_330) {
+ if(data > 1) {
+ temp = SiS_GetReg(SiS_Pr->SiS_P3d4,0x5f) & 0x30;
+ switch(temp) {
+ case 0x00: data = 1; break;
+ case 0x10: data = 3; break;
+ case 0x20: data = 3; break;
+ case 0x30: data = 2; break;
+ }
+ } else {
+ data = 0;
+ }
+ }
+ }
+ }
+
+ return data;
+}
+
+static USHORT
+SiS_GetMCLK(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+{
+ UCHAR *ROMAddr = HwInfo->pjVirtualRomBase;
+ USHORT index;
+
+ index = SiS_Get310DRAMType(SiS_Pr, HwInfo);
+ if(HwInfo->jChipType >= SIS_661) {
+ if(SiS_Pr->SiS_ROMNew) {
+ return((USHORT)(SISGETROMW((0x90 + (index * 5) + 3))));
+ }
+ return(SiS_Pr->SiS_MCLKData_0[index].CLOCK);
+ } else if(index >= 4) {
+ index -= 4;
+ return(SiS_Pr->SiS_MCLKData_1[index].CLOCK);
+ } else {
+ return(SiS_Pr->SiS_MCLKData_0[index].CLOCK);
+ }
+}
+#endif
+
+/*********************************************/
+/* HELPER: ClearBuffer */
+/*********************************************/
+
+#ifdef LINUX_KERNEL
+static void
+SiS_ClearBuffer(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT ModeNo)
+{
+ UCHAR SISIOMEMTYPE *VideoMemoryAddress = HwInfo->pjVideoMemoryAddress;
+ ULONG AdapterMemorySize = HwInfo->ulVideoMemorySize;
+ USHORT SISIOMEMTYPE *pBuffer;
+ int i;
+
+ if(SiS_Pr->SiS_ModeType >= ModeEGA) {
+ if(ModeNo > 0x13) {
+ SiS_SetMemory(VideoMemoryAddress, AdapterMemorySize, 0);
+ } else {
+ pBuffer = (USHORT SISIOMEMTYPE *)VideoMemoryAddress;
+ for(i=0; i<0x4000; i++) writew(0x0000, &pBuffer[i]);
+ }
+ } else {
+ if(SiS_Pr->SiS_ModeType < ModeCGA) {
+ pBuffer = (USHORT SISIOMEMTYPE *)VideoMemoryAddress;
+ for(i=0; i<0x4000; i++) writew(0x0720, &pBuffer[i]);
+ } else {
+ SiS_SetMemory(VideoMemoryAddress, 0x8000, 0);
+ }
+ }
+}
+#endif
+
+/*********************************************/
+/* HELPER: SearchModeID */
+/*********************************************/
+
+BOOLEAN
+SiS_SearchModeID(SiS_Private *SiS_Pr, USHORT *ModeNo, USHORT *ModeIdIndex)
+{
+ UCHAR VGAINFO = SiS_Pr->SiS_VGAINFO;
+
+ if(*ModeNo <= 0x13) {
+
+ if((*ModeNo) <= 0x05) (*ModeNo) |= 0x01;
+
+ for(*ModeIdIndex = 0; ;(*ModeIdIndex)++) {
+ if(SiS_Pr->SiS_SModeIDTable[*ModeIdIndex].St_ModeID == (*ModeNo)) break;
+ if(SiS_Pr->SiS_SModeIDTable[*ModeIdIndex].St_ModeID == 0xFF) return FALSE;
+ }
+
+ if(*ModeNo == 0x07) {
+ if(VGAINFO & 0x10) (*ModeIdIndex)++; /* 400 lines */
+ /* else 350 lines */
+ }
+ if(*ModeNo <= 0x03) {
+ if(!(VGAINFO & 0x80)) (*ModeIdIndex)++;
+ if(VGAINFO & 0x10) (*ModeIdIndex)++; /* 400 lines */
+ /* else 350 lines */
+ }
+ /* else 200 lines */
+
+ } else {
+
+ for(*ModeIdIndex = 0; ;(*ModeIdIndex)++) {
+ if(SiS_Pr->SiS_EModeIDTable[*ModeIdIndex].Ext_ModeID == (*ModeNo)) break;
+ if(SiS_Pr->SiS_EModeIDTable[*ModeIdIndex].Ext_ModeID == 0xFF) return FALSE;
+ }
+
+ }
+ return TRUE;
+}
+
+/*********************************************/
+/* HELPER: GetModePtr */
+/*********************************************/
+
+UCHAR
+SiS_GetModePtr(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex)
+{
+ UCHAR index;
+
+ if(ModeNo <= 0x13) {
+ index = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_StTableIndex;
+ } else {
+ if(SiS_Pr->SiS_ModeType <= ModeEGA) index = 0x1B;
+ else index = 0x0F;
+ }
+ return index;
+}
+
+/*********************************************/
+/* HELPER: LowModeTests */
+/*********************************************/
+
+static BOOLEAN
+SiS_DoLowModeTest(SiS_Private *SiS_Pr, USHORT ModeNo, PSIS_HW_INFO HwInfo)
+{
+ USHORT temp,temp1,temp2;
+
+ if((ModeNo != 0x03) && (ModeNo != 0x10) && (ModeNo != 0x12))
+ return(TRUE);
+ temp = SiS_GetReg(SiS_Pr->SiS_P3d4,0x11);
+ SiS_SetRegOR(SiS_Pr->SiS_P3d4,0x11,0x80);
+ temp1 = SiS_GetReg(SiS_Pr->SiS_P3d4,0x00);
+ SiS_SetReg(SiS_Pr->SiS_P3d4,0x00,0x55);
+ temp2 = SiS_GetReg(SiS_Pr->SiS_P3d4,0x00);
+ SiS_SetReg(SiS_Pr->SiS_P3d4,0x00,temp1);
+ SiS_SetReg(SiS_Pr->SiS_P3d4,0x11,temp);
+ if((HwInfo->jChipType >= SIS_315H) ||
+ (HwInfo->jChipType == SIS_300)) {
+ if(temp2 == 0x55) return(FALSE);
+ else return(TRUE);
+ } else {
+ if(temp2 != 0x55) return(TRUE);
+ else {
+ SiS_SetRegOR(SiS_Pr->SiS_P3d4,0x35,0x01);
+ return(FALSE);
+ }
+ }
+}
+
+static void
+SiS_SetLowModeTest(SiS_Private *SiS_Pr, USHORT ModeNo, PSIS_HW_INFO HwInfo)
+{
+ if(SiS_DoLowModeTest(SiS_Pr, ModeNo, HwInfo)) {
+ SiS_Pr->SiS_SetFlag |= LowModeTests;
+ }
+}
+
+/*********************************************/
+/* HELPER: ENABLE CRT1 */
+/*********************************************/
+
+static void
+SiS_SetupCR5x(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+{
+ if(IS_SIS650) {
+ if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {
+ SiS_SetRegAND(SiS_Pr->SiS_P3d4,0x51,0x1f);
+ if(IS_SIS651) SiS_SetRegOR(SiS_Pr->SiS_P3d4,0x51,0x20);
+ SiS_SetRegAND(SiS_Pr->SiS_P3d4,0x56,0xe7);
+ }
+ } else if(IS_SIS661741660760) {
+ SiS_SetRegAND(SiS_Pr->SiS_P3d4,0x61,0xf7);
+ SiS_SetRegAND(SiS_Pr->SiS_P3d4,0x51,0x1f);
+ SiS_SetRegAND(SiS_Pr->SiS_P3d4,0x56,0xe7);
+ if(!SiS_Pr->SiS_ROMNew) {
+ SiS_SetRegAND(SiS_Pr->SiS_P3d4,0x3a,0xef);
+ }
+ }
+}
+
+static void
+SiS_HandleCRT1(SiS_Private *SiS_Pr)
+{
+ /* Enable CRT1 gating */
+ SiS_SetRegAND(SiS_Pr->SiS_P3d4,SiS_Pr->SiS_MyCR63,0xbf);
+#if 0
+ if(!(SiS_GetReg(SiS_Pr->SiS_P3c4,0x15) & 0x01)) {
+ if((SiS_GetReg(SiS_Pr->SiS_P3c4,0x15) & 0x0a) ||
+ (SiS_GetReg(SiS_Pr->SiS_P3c4,0x16) & 0x01)) {
+ SiS_SetRegOR(SiS_Pr->SiS_P3d4,SiS_Pr->SiS_MyCR63,0x40);
+ }
+ }
+#endif
+}
+
+/*********************************************/
+/* HELPER: GetColorDepth */
+/*********************************************/
+
+USHORT
+SiS_GetColorDepth(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex)
+{
+ USHORT ColorDepth[6] = { 1, 2, 4, 4, 6, 8};
+ SHORT index;
+ USHORT modeflag;
+
+ /* Do NOT check UseCustomMode, will skrew up FIFO */
+ if(ModeNo == 0xfe) {
+ modeflag = SiS_Pr->CModeFlag;
+ } else {
+ if(ModeNo <= 0x13)
+ modeflag = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ModeFlag;
+ else
+ modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag;
+ }
+
+ index = (modeflag & ModeTypeMask) - ModeEGA;
+ if(index < 0) index = 0;
+ return(ColorDepth[index]);
+}
+
+/*********************************************/
+/* HELPER: GetOffset */
+/*********************************************/
+
+USHORT
+SiS_GetOffset(SiS_Private *SiS_Pr,USHORT ModeNo,USHORT ModeIdIndex,
+ USHORT RefreshRateTableIndex,PSIS_HW_INFO HwInfo)
+{
+ USHORT xres, temp, colordepth, infoflag;
+
+ if(SiS_Pr->UseCustomMode) {
+ infoflag = SiS_Pr->CInfoFlag;
+ xres = SiS_Pr->CHDisplay;
+ } else {
+ infoflag = SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_InfoFlag;
+ xres = SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].XRes;
+ }
+
+ colordepth = SiS_GetColorDepth(SiS_Pr,ModeNo,ModeIdIndex);
+
+ temp = xres / 16;
+ if(infoflag & InterlaceMode) temp <<= 1;
+ temp *= colordepth;
+ if(xres % 16) {
+ colordepth >>= 1;
+ temp += colordepth;
+ }
+
+ return(temp);
+}
+
+/*********************************************/
+/* SEQ */
+/*********************************************/
+
+static void
+SiS_SetSeqRegs(SiS_Private *SiS_Pr, USHORT StandTableIndex, PSIS_HW_INFO HwInfo)
+{
+ UCHAR SRdata;
+ USHORT i;
+
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x00,0x03); /* Set SR0 */
+
+ SRdata = SiS_Pr->SiS_StandTable[StandTableIndex].SR[0];
+
+ if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {
+ if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA) {
+ SRdata |= 0x01;
+ }
+ if(HwInfo->jChipType >= SIS_661) {
+ if(SiS_Pr->SiS_VBInfo & (SetCRT2ToLCD | SetCRT2ToTV)) {
+ if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) {
+ SRdata |= 0x01; /* 8 dot clock */
+ }
+ }
+ } else if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {
+ if(SiS_Pr->SiS_VBType & VB_NoLCD) {
+ if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) {
+ SRdata |= 0x01; /* 8 dot clock */
+ }
+ }
+ }
+ }
+
+ if(SiS_Pr->SiS_IF_DEF_LVDS == 1) {
+ if(SiS_Pr->SiS_IF_DEF_CH70xx != 0) {
+ if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
+ if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) {
+ SRdata |= 0x01; /* 8 dot clock */
+ }
+ }
+ }
+ if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {
+ if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) {
+ SRdata |= 0x01; /* 8 dot clock */
+ }
+ }
+ }
+
+ SRdata |= 0x20; /* screen off */
+
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x01,SRdata);
+
+ for(i = 2; i <= 4; i++) {
+ SRdata = SiS_Pr->SiS_StandTable[StandTableIndex].SR[i-1];
+ SiS_SetReg(SiS_Pr->SiS_P3c4,i,SRdata);
+ }
+}
+
+/*********************************************/
+/* MISC */
+/*********************************************/
+
+static void
+SiS_SetMiscRegs(SiS_Private *SiS_Pr, USHORT StandTableIndex, PSIS_HW_INFO HwInfo)
+{
+ UCHAR Miscdata;
+
+ Miscdata = SiS_Pr->SiS_StandTable[StandTableIndex].MISC;
+
+ if(HwInfo->jChipType < SIS_661) {
+ if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {
+ if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA) {
+ Miscdata |= 0x0C;
+ }
+ }
+ }
+
+ SiS_SetRegByte(SiS_Pr->SiS_P3c2,Miscdata);
+}
+
+/*********************************************/
+/* CRTC */
+/*********************************************/
+
+static void
+SiS_SetCRTCRegs(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
+ USHORT StandTableIndex)
+{
+ UCHAR CRTCdata;
+ USHORT i;
+
+ SiS_SetRegAND(SiS_Pr->SiS_P3d4,0x11,0x7f); /* Unlock CRTC */
+
+ for(i = 0; i <= 0x18; i++) {
+ CRTCdata = SiS_Pr->SiS_StandTable[StandTableIndex].CRTC[i];
+ SiS_SetReg(SiS_Pr->SiS_P3d4,i,CRTCdata); /* Set CRTC(3d4) */
+ }
+ if(HwInfo->jChipType >= SIS_661) {
+ SiS_SetupCR5x(SiS_Pr, HwInfo);
+ for(i = 0x13; i <= 0x14; i++) {
+ CRTCdata = SiS_Pr->SiS_StandTable[StandTableIndex].CRTC[i];
+ SiS_SetReg(SiS_Pr->SiS_P3d4,i,CRTCdata);
+ }
+ } else if( ( (HwInfo->jChipType == SIS_630) ||
+ (HwInfo->jChipType == SIS_730) ) &&
+ (HwInfo->jChipRevision >= 0x30) ) { /* for 630S0 */
+ if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) {
+ if(SiS_Pr->SiS_VBInfo & (SetCRT2ToLCD | SetCRT2ToTV)) {
+ SiS_SetReg(SiS_Pr->SiS_P3d4,0x18,0xFE);
+ }
+ }
+ }
+}
+
+/*********************************************/
+/* ATT */
+/*********************************************/
+
+static void
+SiS_SetATTRegs(SiS_Private *SiS_Pr, USHORT StandTableIndex,
+ PSIS_HW_INFO HwInfo)
+{
+ UCHAR ARdata;
+ USHORT i;
+
+ for(i = 0; i <= 0x13; i++) {
+ ARdata = SiS_Pr->SiS_StandTable[StandTableIndex].ATTR[i];
+#if 0
+ if((i <= 0x0f) || (i == 0x11)) {
+ if(ds:489 & 0x08) {
+ continue;
+ }
+ }
+#endif
+ if(i == 0x13) {
+ /* Pixel shift. If screen on LCD or TV is shifted left or right,
+ * this might be the cause.
+ */
+ if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {
+ if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA) ARdata=0;
+ }
+ if(SiS_Pr->SiS_IF_DEF_LVDS == 1) {
+ if(SiS_Pr->SiS_IF_DEF_CH70xx != 0) {
+ if(SiS_Pr->SiS_VBInfo & SetCRT2ToTV) {
+ if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) ARdata=0;
+ }
+ }
+ }
+ if(HwInfo->jChipType >= SIS_661) {
+ if(SiS_Pr->SiS_VBInfo & (SetCRT2ToTV | SetCRT2ToLCD)) {
+ if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) ARdata=0;
+ }
+ } else if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) {
+ if(HwInfo->jChipType >= SIS_315H) {
+ if(IS_SIS550650740660) {
+ /* 315, 330 don't do this */
+ if(SiS_Pr->SiS_VBType & VB_SIS301B302B) {
+ if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) ARdata=0;
+ } else {
+ ARdata = 0;
+ }
+ }
+ } else {
+ if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) ARdata=0;
+ }
+ }
+ }
+ SiS_GetRegByte(SiS_Pr->SiS_P3da); /* reset 3da */
+ SiS_SetRegByte(SiS_Pr->SiS_P3c0,i); /* set index */
+ SiS_SetRegByte(SiS_Pr->SiS_P3c0,ARdata); /* set data */
+ }
+ SiS_GetRegByte(SiS_Pr->SiS_P3da); /* reset 3da */
+ SiS_SetRegByte(SiS_Pr->SiS_P3c0,0x14); /* set index */
+ SiS_SetRegByte(SiS_Pr->SiS_P3c0,0x00); /* set data */
+
+ SiS_GetRegByte(SiS_Pr->SiS_P3da);
+ SiS_SetRegByte(SiS_Pr->SiS_P3c0,0x20); /* Enable Attribute */
+ SiS_GetRegByte(SiS_Pr->SiS_P3da);
+}
+
+/*********************************************/
+/* GRC */
+/*********************************************/
+
+static void
+SiS_SetGRCRegs(SiS_Private *SiS_Pr, USHORT StandTableIndex)
+{
+ UCHAR GRdata;
+ USHORT i;
+
+ for(i = 0; i <= 0x08; i++) {
+ GRdata = SiS_Pr->SiS_StandTable[StandTableIndex].GRC[i];
+ SiS_SetReg(SiS_Pr->SiS_P3ce,i,GRdata);
+ }
+
+ if(SiS_Pr->SiS_ModeType > ModeVGA) {
+ /* 256 color disable */
+ SiS_SetRegAND(SiS_Pr->SiS_P3ce,0x05,0xBF);
+ }
+}
+
+/*********************************************/
+/* CLEAR EXTENDED REGISTERS */
+/*********************************************/
+
+static void
+SiS_ClearExt1Regs(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, USHORT ModeNo)
+{
+ USHORT i;
+
+ for(i = 0x0A; i <= 0x0E; i++) {
+ SiS_SetReg(SiS_Pr->SiS_P3c4,i,0x00);
+ }
+
+ if(HwInfo->jChipType >= SIS_315H) {
+ SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x37,0xFE);
+ if(ModeNo <= 0x13) {
+ if(ModeNo == 0x06 || ModeNo >= 0x0e) {
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x0e,0x20);
+ }
+ }
+ }
+}
+
+/*********************************************/
+/* RESET VCLK */
+/*********************************************/
+
+static void
+SiS_ResetCRT1VCLK(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+{
+ if(HwInfo->jChipType >= SIS_315H) {
+ if(HwInfo->jChipType < SIS_661) {
+ if(SiS_Pr->SiS_IF_DEF_LVDS == 0) return;
+ }
+ } else {
+ if((SiS_Pr->SiS_IF_DEF_LVDS == 0) &&
+ (!(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV)) ) {
+ return;
+ }
+ }
+
+ if(HwInfo->jChipType >= SIS_315H) {
+ SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x31,0xCF,0x20);
+ } else {
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x31,0x20);
+ }
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x2B,SiS_Pr->SiS_VCLKData[1].SR2B);
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x2C,SiS_Pr->SiS_VCLKData[1].SR2C);
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x2D,0x80);
+ if(HwInfo->jChipType >= SIS_315H) {
+ SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x31,0xcf,0x10);
+ } else {
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x31,0x10);
+ }
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x2B,SiS_Pr->SiS_VCLKData[0].SR2B);
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x2C,SiS_Pr->SiS_VCLKData[0].SR2C);
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x2D,0x80);
+}
+
+/*********************************************/
+/* SYNC */
+/*********************************************/
+
+static void
+SiS_SetCRT1Sync(SiS_Private *SiS_Pr, USHORT RefreshRateTableIndex)
+{
+ USHORT sync;
+
+ if(SiS_Pr->UseCustomMode) {
+ sync = SiS_Pr->CInfoFlag >> 8;
+ } else {
+ sync = SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_InfoFlag >> 8;
+ }
+
+ sync &= 0xC0;
+ sync |= 0x2f;
+ SiS_SetRegByte(SiS_Pr->SiS_P3c2,sync);
+}
+
+/*********************************************/
+/* CRTC/2 */
+/*********************************************/
+
+static void
+SiS_SetCRT1CRTC(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
+ USHORT RefreshRateTableIndex,
+ PSIS_HW_INFO HwInfo)
+{
+ UCHAR index;
+ USHORT temp,i,j,modeflag;
+
+ SiS_SetRegAND(SiS_Pr->SiS_P3d4,0x11,0x7f); /* unlock cr0-7 */
+
+ if(SiS_Pr->UseCustomMode) {
+
+ modeflag = SiS_Pr->CModeFlag;
+
+ for(i=0,j=0;i<=7;i++,j++) {
+ SiS_SetReg(SiS_Pr->SiS_P3d4,j,SiS_Pr->CCRT1CRTC[i]);
+ }
+ for(j=0x10;i<=10;i++,j++) {
+ SiS_SetReg(SiS_Pr->SiS_P3d4,j,SiS_Pr->CCRT1CRTC[i]);
+ }
+ for(j=0x15;i<=12;i++,j++) {
+ SiS_SetReg(SiS_Pr->SiS_P3d4,j,SiS_Pr->CCRT1CRTC[i]);
+ }
+ for(j=0x0A;i<=15;i++,j++) {
+ SiS_SetReg(SiS_Pr->SiS_P3c4,j,SiS_Pr->CCRT1CRTC[i]);
+ }
+
+ temp = SiS_Pr->CCRT1CRTC[16] & 0xE0;
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x0E,temp);
+
+ temp = (SiS_Pr->CCRT1CRTC[16] & 0x01) << 5;
+ if(modeflag & DoubleScanMode) temp |= 0x80;
+ SiS_SetRegANDOR(SiS_Pr->SiS_P3d4,0x09,0x5F,temp);
+
+ } else {
+
+ if(ModeNo <= 0x13) {
+ modeflag = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ModeFlag;
+ } else {
+ modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag;
+ }
+
+ index = SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_CRT1CRTC;
+
+ for(i=0,j=0;i<=7;i++,j++) {
+ SiS_SetReg(SiS_Pr->SiS_P3d4,j,SiS_Pr->SiS_CRT1Table[index].CR[i]);
+ }
+ for(j=0x10;i<=10;i++,j++) {
+ SiS_SetReg(SiS_Pr->SiS_P3d4,j,SiS_Pr->SiS_CRT1Table[index].CR[i]);
+ }
+ for(j=0x15;i<=12;i++,j++) {
+ SiS_SetReg(SiS_Pr->SiS_P3d4,j,SiS_Pr->SiS_CRT1Table[index].CR[i]);
+ }
+ for(j=0x0A;i<=15;i++,j++) {
+ SiS_SetReg(SiS_Pr->SiS_P3c4,j,SiS_Pr->SiS_CRT1Table[index].CR[i]);
+ }
+
+ temp = SiS_Pr->SiS_CRT1Table[index].CR[16] & 0xE0;
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x0E,temp);
+
+ temp = ((SiS_Pr->SiS_CRT1Table[index].CR[16]) & 0x01) << 5;
+ if(modeflag & DoubleScanMode) temp |= 0x80;
+ SiS_SetRegANDOR(SiS_Pr->SiS_P3d4,0x09,0x5F,temp);
+
+ }
+
+ if(SiS_Pr->SiS_ModeType > ModeVGA) SiS_SetReg(SiS_Pr->SiS_P3d4,0x14,0x4F);
+}
+
+/*********************************************/
+/* OFFSET & PITCH */
+/*********************************************/
+/* (partly overruled by SetPitch() in XF86) */
+/*********************************************/
+
+static void
+SiS_SetCRT1Offset(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
+ USHORT RefreshRateTableIndex,
+ PSIS_HW_INFO HwInfo)
+{
+ USHORT temp, DisplayUnit, infoflag;
+
+ if(SiS_Pr->UseCustomMode) {
+ infoflag = SiS_Pr->CInfoFlag;
+ } else {
+ infoflag = SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_InfoFlag;
+ }
+
+ DisplayUnit = SiS_GetOffset(SiS_Pr,ModeNo,ModeIdIndex,
+ RefreshRateTableIndex,HwInfo);
+
+ temp = (DisplayUnit >> 8) & 0x0f;
+ SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x0E,0xF0,temp);
+
+ temp = DisplayUnit & 0xFF;
+ SiS_SetReg(SiS_Pr->SiS_P3d4,0x13,temp);
+
+ if(infoflag & InterlaceMode) DisplayUnit >>= 1;
+
+ DisplayUnit <<= 5;
+ temp = (DisplayUnit & 0xff00) >> 8;
+ if(DisplayUnit & 0xff) temp++;
+ temp++;
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x10,temp);
+}
+
+/*********************************************/
+/* VCLK */
+/*********************************************/
+
+static void
+SiS_SetCRT1VCLK(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
+ PSIS_HW_INFO HwInfo, USHORT RefreshRateTableIndex)
+{
+ USHORT index=0, clka, clkb;
+
+ if(SiS_Pr->UseCustomMode) {
+ clka = SiS_Pr->CSR2B;
+ clkb = SiS_Pr->CSR2C;
+ } else {
+ index = SiS_GetVCLK2Ptr(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex, HwInfo);
+ if((SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) && (SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA)) {
+ clka = SiS_Pr->SiS_VBVCLKData[index].Part4_A;
+ clkb = SiS_Pr->SiS_VBVCLKData[index].Part4_B;
+ } else {
+ clka = SiS_Pr->SiS_VCLKData[index].SR2B;
+ clkb = SiS_Pr->SiS_VCLKData[index].SR2C;
+ }
+ }
+
+ if(HwInfo->jChipType >= SIS_315H) {
+ SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x31,0xCF);
+ } else {
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x31,0x00);
+ }
+
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x2B,clka);
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x2C,clkb);
+
+ if(HwInfo->jChipType >= SIS_315H) {
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x2D,0x01);
+ } else {
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x2D,0x80);
+ }
+}
+
+/*********************************************/
+/* FIFO */
+/*********************************************/
+
+#ifdef SIS300
+static USHORT
+SiS_DoCalcDelay(SiS_Private *SiS_Pr, USHORT MCLK, USHORT VCLK, USHORT colordepth, USHORT key)
+{
+ const UCHAR ThLowA[] = { 61, 3,52, 5,68, 7,100,11,
+ 43, 3,42, 5,54, 7, 78,11,
+ 34, 3,37, 5,47, 7, 67,11 };
+
+ 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 };
+
+ USHORT tempah, tempal, tempcl, tempbx, temp;
+ ULONG longtemp;
+
+ 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;
+ if(key == 0) {
+ tempal = ThLowA[tempbx + 1];
+ tempal *= tempcl;
+ tempal += ThLowA[tempbx];
+ } else {
+ tempal = ThLowB[tempbx + 1];
+ tempal *= tempcl;
+ tempal += ThLowB[tempbx];
+ }
+ longtemp = tempal * VCLK * colordepth;
+ temp = longtemp % (MCLK * 16);
+ longtemp /= (MCLK * 16);
+ if(temp) longtemp++;
+ return((USHORT)longtemp);
+}
+
+static USHORT
+SiS_CalcDelay(SiS_Private *SiS_Pr, USHORT VCLK, USHORT colordepth, USHORT MCLK)
+{
+ USHORT tempax, tempbx;
+
+ tempbx = SiS_DoCalcDelay(SiS_Pr, MCLK, VCLK, colordepth, 0);
+ tempax = SiS_DoCalcDelay(SiS_Pr, MCLK, VCLK, colordepth, 1);
+ if(tempax < 4) tempax = 4;
+ tempax -= 4;
+ if(tempbx < tempax) tempbx = tempax;
+ return(tempbx);
+}
+
+static void
+SiS_SetCRT1FIFO_300(SiS_Private *SiS_Pr, USHORT ModeNo, PSIS_HW_INFO HwInfo,
+ USHORT RefreshRateTableIndex)
+{
+ USHORT ThresholdLow = 0;
+ USHORT index, VCLK, MCLK, colorth=0;
+ USHORT tempah, temp;
+
+ if(ModeNo > 0x13) {
+
+ if(SiS_Pr->UseCustomMode) {
+ VCLK = SiS_Pr->CSRClock;
+ } else {
+ index = SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_CRTVCLK;
+ index &= 0x3F;
+ VCLK = SiS_Pr->SiS_VCLKData[index].CLOCK; /* Get VCLK */
+ }
+
+ switch (SiS_Pr->SiS_ModeType - ModeEGA) { /* Get half colordepth */
+ 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;
+ }
+
+ index = SiS_GetReg(SiS_Pr->SiS_P3c4,0x3A);
+ index &= 0x07;
+ MCLK = SiS_Pr->SiS_MCLKData_0[index].CLOCK; /* Get MCLK */
+
+ tempah = SiS_GetReg(SiS_Pr->SiS_P3d4,0x35);
+ tempah &= 0xc3;
+ SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x16,0x3c,tempah);
+
+ do {
+ ThresholdLow = SiS_CalcDelay(SiS_Pr, VCLK, colorth, MCLK);
+ ThresholdLow++;
+ if(ThresholdLow < 0x13) break;
+ SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x16,0xfc);
+ ThresholdLow = 0x13;
+ tempah = SiS_GetReg(SiS_Pr->SiS_P3c4,0x16);
+ tempah >>= 6;
+ if(!(tempah)) break;
+ tempah--;
+ tempah <<= 6;
+ SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x16,0x3f,tempah);
+ } while(0);
+
+ } else ThresholdLow = 2;
+
+ /* Write CRT/CPU threshold low, CRT/Engine threshold high */
+ temp = (ThresholdLow << 4) | 0x0f;
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x08,temp);
+
+ temp = (ThresholdLow & 0x10) << 1;
+ if(ModeNo > 0x13) temp |= 0x40;
+ SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x0f,0x9f,temp);
+
+ /* What is this? */
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x3B,0x09);
+
+ /* Write CRT/CPU threshold high */
+ temp = ThresholdLow + 3;
+ if(temp > 0x0f) temp = 0x0f;
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x09,temp);
+}
+
+static USHORT
+SiS_CalcDelay2(SiS_Private *SiS_Pr, UCHAR key, PSIS_HW_INFO HwInfo)
+{
+ USHORT data,index;
+ 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, /* --- Table ends with this 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,
+ };
+
+ if(HwInfo->jChipType == SIS_730) {
+ index = ((key & 0x0f) * 3) + ((key & 0xC0) >> 6);
+ data = LatencyFactor730[index];
+ } else {
+ index = (key & 0xE0) >> 5;
+ if(key & 0x10) index +=6;
+ if(!(key & 0x01)) index += 24;
+ data = SiS_GetReg(SiS_Pr->SiS_P3c4,0x14);
+ if(data & 0x0080) index += 12;
+ data = LatencyFactor[index];
+ }
+ return(data);
+}
+
+static void
+SiS_SetCRT1FIFO_630(SiS_Private *SiS_Pr, USHORT ModeNo,
+ PSIS_HW_INFO HwInfo,
+ USHORT RefreshRateTableIndex)
+{
+ USHORT i,index,data,VCLK,MCLK,colorth=0;
+ ULONG B,eax,bl,data2;
+ USHORT ThresholdLow=0;
+ UCHAR FQBQData[]= {
+ 0x01,0x21,0x41,0x61,0x81,
+ 0x31,0x51,0x71,0x91,0xb1,
+ 0x00,0x20,0x40,0x60,0x80,
+ 0x30,0x50,0x70,0x90,0xb0,
+ 0xFF
+ };
+ UCHAR FQBQData730[]= {
+ 0x34,0x74,0xb4,
+ 0x23,0x63,0xa3,
+ 0x12,0x52,0x92,
+ 0x01,0x41,0x81,
+ 0x00,0x40,0x80,
+ 0xff
+ };
+
+ i=0;
+ if(ModeNo > 0x13) {
+ if(SiS_Pr->UseCustomMode) {
+ VCLK = SiS_Pr->CSRClock;
+ } else {
+ index = SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_CRTVCLK;
+ index &= 0x3F;
+ VCLK = SiS_Pr->SiS_VCLKData[index].CLOCK; /* Get VCLK */
+ }
+
+ index = SiS_GetReg(SiS_Pr->SiS_P3c4,0x1A);
+ index &= 0x07;
+ MCLK = SiS_Pr->SiS_MCLKData_0[index].CLOCK; /* Get MCLK */
+
+ data2 = SiS_Pr->SiS_ModeType - ModeEGA; /* Get half colordepth */
+ switch (data2) {
+ 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;
+ }
+
+ if(HwInfo->jChipType == SIS_730) {
+
+ do {
+ B = SiS_CalcDelay2(SiS_Pr, FQBQData730[i], HwInfo) * VCLK * colorth;
+ bl = B / (MCLK * 16);
+
+ if(B == bl * 16 * MCLK) {
+ bl = bl + 1;
+ } else {
+ bl = bl + 2;
+ }
+
+ if(bl > 0x13) {
+ if(FQBQData730[i+1] == 0xFF) {
+ ThresholdLow = 0x13;
+ break;
+ }
+ i++;
+ } else {
+ ThresholdLow = bl;
+ break;
+ }
+ } while(FQBQData730[i] != 0xFF);
+
+ } else {
+
+ do {
+ B = SiS_CalcDelay2(SiS_Pr, FQBQData[i], HwInfo) * VCLK * colorth;
+ bl = B / (MCLK * 16);
+
+ if(B == bl * 16 * MCLK) {
+ bl = bl + 1;
+ } else {
+ bl = bl + 2;
+ }
+
+ if(bl > 0x13) {
+ if(FQBQData[i+1] == 0xFF) {
+ ThresholdLow = 0x13;
+ break;
+ }
+ i++;
+ } else {
+ ThresholdLow = bl;
+ break;
+ }
+ } while(FQBQData[i] != 0xFF);
+ }
+ }
+ else {
+ if(HwInfo->jChipType == SIS_730) {
+ } else {
+ i = 9;
+ }
+ ThresholdLow = 0x02;
+ }
+
+ /* Write foreground and background queue */
+ if(HwInfo->jChipType == SIS_730) {
+
+ data2 = FQBQData730[i];
+ data2 = (data2 & 0xC0) >> 5;
+ data2 <<= 8;
+
+#ifdef LINUX_KERNEL
+ SiS_SetRegLong(0xcf8,0x80000050);
+ eax = SiS_GetRegLong(0xcfc);
+ eax &= 0xfffff9ff;
+ eax |= data2;
+ SiS_SetRegLong(0xcfc,eax);
+#else
+ /* We use pci functions X offers. We use pcitag 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, 0x50);
+ eax &= 0xfffff9ff;
+ eax |= data2;
+ pciWriteLong(0x00000000, 0x50, eax);
+#endif
+
+ /* Write GUI grant timer (PCI config 0xA3) */
+ data2 = FQBQData730[i] << 8;
+ data2 = (data2 & 0x0f00) | ((data2 & 0x3000) >> 8);
+ data2 <<= 20;
+
+#ifdef LINUX_KERNEL
+ SiS_SetRegLong(0xcf8,0x800000A0);
+ eax = SiS_GetRegLong(0xcfc);
+ eax &= 0x00ffffff;
+ eax |= data2;
+ SiS_SetRegLong(0xcfc,eax);
+#else
+ eax = pciReadLong(0x00000000, 0xA0);
+ eax &= 0x00ffffff;
+ eax |= data2;
+ pciWriteLong(0x00000000, 0xA0, eax);
+#endif
+
+ } else {
+
+ data2 = FQBQData[i];
+ data2 = (data2 & 0xf0) >> 4;
+ data2 <<= 24;
+
+#ifdef LINUX_KERNEL
+ SiS_SetRegLong(0xcf8,0x80000050);
+ eax = SiS_GetRegLong(0xcfc);
+ eax &= 0xf0ffffff;
+ eax |= data2;
+ SiS_SetRegLong(0xcfc,eax);
+#else
+ eax = pciReadLong(0x00000000, 0x50);
+ eax &= 0xf0ffffff;
+ eax |= data2;
+ pciWriteLong(0x00000000, 0x50, eax);
+#endif
+
+ /* Write GUI grant timer (PCI config 0xA3) */
+ data2 = FQBQData[i];
+ data2 &= 0x0f;
+ data2 <<= 24;
+
+#ifdef LINUX_KERNEL
+ SiS_SetRegLong(0xcf8,0x800000A0);
+ eax = SiS_GetRegLong(0xcfc);
+ eax &= 0xf0ffffff;
+ eax |= data2;
+ SiS_SetRegLong(0xcfc,eax);
+#else
+ eax = pciReadLong(0x00000000, 0xA0);
+ eax &= 0xf0ffffff;
+ eax |= data2;
+ pciWriteLong(0x00000000, 0xA0, eax);
+#endif
+
+ }
+
+ /* Write CRT/CPU threshold low, CRT/Engine threshold high */
+ data = ((ThresholdLow & 0x0f) << 4) | 0x0f;
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x08,data);
+
+ data = (ThresholdLow & 0x10) << 1;
+ SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x0F,0xDF,data);
+
+ /* What is this? */
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x3B,0x09);
+
+ /* Write CRT/CPU threshold high (gap = 3) */
+ data = ThresholdLow + 3;
+ if(data > 0x0f) data = 0x0f;
+ SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x09,0x80,data);
+}
+#endif
+
+#ifdef SIS315H
+static void
+SiS_SetCRT1FIFO_310(SiS_Private *SiS_Pr, USHORT ModeNo, USHORT ModeIdIndex,
+ PSIS_HW_INFO HwInfo)
+{
+ USHORT modeflag;
+
+ /* disable auto-threshold */
+ SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x3D,0xFE);
+
+ if(SiS_Pr->UseCustomMode) {
+ modeflag = SiS_Pr->CModeFlag;
+ } else {
+ modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag;
+ }
+
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x08,0xAE);
+ SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x09,0xF0);
+ if(ModeNo > 0x13) {
+ if(HwInfo->jChipType >= SIS_661) {
+ if(!(modeflag & HalfDCLK)) {
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x08,0x34);
+ SiS_SetRegOR(SiS_Pr->SiS_P3c4,0x3D,0x01);
+ }
+ } else {
+ if((!(modeflag & DoubleScanMode)) || (!(modeflag & HalfDCLK))) {
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x08,0x34);
+ SiS_SetRegOR(SiS_Pr->SiS_P3c4,0x3D,0x01);
+ }
+ }
+ }
+}
+#endif
+
+/*********************************************/
+/* MODE REGISTERS */
+/*********************************************/
+
+static void
+SiS_SetVCLKState(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
+ USHORT ModeNo, USHORT RefreshRateTableIndex,
+ USHORT ModeIdIndex)
+{
+ USHORT data=0, VCLK=0, index=0;
+
+ if(ModeNo > 0x13) {
+ if(SiS_Pr->UseCustomMode) {
+ VCLK = SiS_Pr->CSRClock;
+ } else {
+ index = SiS_GetVCLK2Ptr(SiS_Pr,ModeNo,ModeIdIndex,
+ RefreshRateTableIndex,HwInfo);
+ VCLK = SiS_Pr->SiS_VCLKData[index].CLOCK;
+ }
+ }
+
+ if(HwInfo->jChipType < SIS_315H) {
+
+ if(VCLK > 150) data |= 0x80;
+ SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x07,0x7B,data);
+
+ data = 0x00;
+ if(VCLK >= 150) data |= 0x08;
+ SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x32,0xF7,data);
+
+ } else {
+
+ if(VCLK >= 166) data |= 0x0c;
+ SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x32,0xf3,data);
+
+ if(VCLK >= 166) {
+ SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x1f,0xe7);
+ }
+ }
+
+ /* DAC speed */
+ if(HwInfo->jChipType >= SIS_661) {
+
+ SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x07,0xE8,0x10);
+
+ } else {
+
+ data = 0x03;
+ if((VCLK >= 135) && (VCLK < 160)) data = 0x02;
+ else if((VCLK >= 160) && (VCLK < 260)) data = 0x01;
+ else if(VCLK >= 260) data = 0x00;
+
+ if(HwInfo->jChipType == SIS_540) {
+ if((VCLK == 203) || (VCLK < 234)) data = 0x02;
+ }
+
+ if(HwInfo->jChipType < SIS_315H) {
+ SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x07,0xFC,data);
+ } else {
+ if(HwInfo->jChipType > SIS_315PRO) {
+ if(ModeNo > 0x13) data &= 0xfc;
+ }
+ SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x07,0xF8,data);
+ }
+
+ }
+}
+
+static void
+SiS_SetCRT1ModeRegs(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
+ USHORT ModeNo,USHORT ModeIdIndex,USHORT RefreshRateTableIndex)
+{
+ USHORT data,infoflag=0,modeflag;
+ USHORT resindex,xres;
+#ifdef SIS315H
+ USHORT data2,data3;
+ ULONG longdata;
+ UCHAR *ROMAddr = HwInfo->pjVirtualRomBase;
+#endif
+
+ if(SiS_Pr->UseCustomMode) {
+ modeflag = SiS_Pr->CModeFlag;
+ infoflag = SiS_Pr->CInfoFlag;
+ xres = SiS_Pr->CHDisplay;
+ } else {
+ resindex = SiS_GetResInfo(SiS_Pr,ModeNo,ModeIdIndex);
+ if(ModeNo > 0x13) {
+ modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag;
+ infoflag = SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_InfoFlag;
+ xres = SiS_Pr->SiS_ModeResInfo[resindex].HTotal;
+ } else {
+ modeflag = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ModeFlag;
+ xres = SiS_Pr->SiS_StResInfo[resindex].HTotal;
+ }
+ }
+
+ /* Disable DPMS */
+ SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x1F,0x3F);
+
+ data = 0;
+ if(ModeNo > 0x13) {
+ if(SiS_Pr->SiS_ModeType > ModeEGA) {
+ data |= 0x02;
+ data |= ((SiS_Pr->SiS_ModeType - ModeVGA) << 2);
+ }
+ if(infoflag & InterlaceMode) data |= 0x20;
+ }
+ SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x06,0xC0,data);
+
+ if(HwInfo->jChipType != SIS_300) {
+ data = 0;
+ if(infoflag & InterlaceMode) {
+ if(xres <= 800) data = 0x0020;
+ else if(xres <= 1024) data = 0x0035;
+ else data = 0x0048;
+ }
+ SiS_SetReg(SiS_Pr->SiS_P3d4,0x19,(data & 0xFF));
+ SiS_SetRegANDOR(SiS_Pr->SiS_P3d4,0x1a,0xFC,(data >> 8));
+ }
+
+ if(modeflag & HalfDCLK) {
+ SiS_SetRegOR(SiS_Pr->SiS_P3c4,0x01,0x08);
+ }
+
+ data = 0;
+ if(modeflag & LineCompareOff) data = 0x08;
+ if(HwInfo->jChipType == SIS_300) {
+ SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x0F,0xF7,data);
+ } else {
+ SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x0F,0xB7,data);
+ if(SiS_Pr->SiS_ModeType == ModeEGA) {
+ if(ModeNo > 0x13) {
+ SiS_SetRegOR(SiS_Pr->SiS_P3c4,0x0F,0x40);
+ }
+ }
+ }
+
+ if(HwInfo->jChipType >= SIS_661) {
+ SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x31,0xfb);
+ }
+
+#ifdef SIS315H
+ if(HwInfo->jChipType == SIS_315PRO) {
+
+ data = SiS_Get310DRAMType(SiS_Pr, HwInfo);
+ data = SiS_Pr->SiS_SR15[2][data];
+ if(SiS_Pr->SiS_ModeType == ModeText) {
+ data &= 0xc7;
+ } else {
+ data2 = SiS_GetOffset(SiS_Pr,ModeNo,ModeIdIndex,
+ RefreshRateTableIndex,HwInfo);
+ data2 >>= 1;
+ if(infoflag & InterlaceMode) data2 >>= 1;
+ data3 = SiS_GetColorDepth(SiS_Pr,ModeNo,ModeIdIndex) >> 1;
+ if(!data3) data3++;
+ data2 /= data3;
+ if(data2 >= 0x50) {
+ data &= 0x0f;
+ data |= 0x50;
+ }
+ }
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x17,data);
+
+ } else if( (HwInfo->jChipType == SIS_330) ||
+ ((HwInfo->jChipType == SIS_760) && (SiS_Pr->SiS_SysFlags & SF_760LFB))) {
+
+ data = SiS_Get310DRAMType(SiS_Pr, HwInfo);
+ if(HwInfo->jChipType == SIS_330) {
+ data = SiS_Pr->SiS_SR15[2][data];
+ } else {
+ if(SiS_Pr->SiS_ROMNew) data = ROMAddr[0xf6];
+ else if(SiS_Pr->SiS_UseROM) data = ROMAddr[0x100 + data];
+ else data = 0xba;
+ }
+ if(SiS_Pr->SiS_ModeType <= ModeEGA) {
+ data &= 0xc7;
+ } else {
+ if(SiS_Pr->UseCustomMode) {
+ data2 = SiS_Pr->CSRClock;
+ } else {
+ data2 = SiS_GetVCLK2Ptr(SiS_Pr,ModeNo,ModeIdIndex,
+ RefreshRateTableIndex,HwInfo);
+ data2 = SiS_Pr->SiS_VCLKData[data2].CLOCK;
+ }
+
+ data3 = SiS_GetColorDepth(SiS_Pr,ModeNo,ModeIdIndex) >> 1;
+ if(data3) data2 *= data3;
+
+ longdata = SiS_GetMCLK(SiS_Pr, HwInfo) * 1024;
+
+ data2 = longdata / data2;
+
+ if(HwInfo->jChipType == SIS_330) {
+ if(SiS_Pr->SiS_ModeType != Mode16Bpp) {
+ if (data2 >= 0x19c) data = 0xba;
+ else if(data2 >= 0x140) data = 0x7a;
+ else if(data2 >= 0x101) data = 0x3a;
+ else if(data2 >= 0xf5) data = 0x32;
+ else if(data2 >= 0xe2) data = 0x2a;
+ else if(data2 >= 0xc4) data = 0x22;
+ else if(data2 >= 0xac) data = 0x1a;
+ else if(data2 >= 0x9e) data = 0x12;
+ else if(data2 >= 0x8e) data = 0x0a;
+ else data = 0x02;
+ } else {
+ if(data2 >= 0x127) data = 0xba;
+ else data = 0x7a;
+ }
+ } else { /* 760+LFB */
+ if (data2 >= 0x190) data = 0xba;
+ else if(data2 >= 0xff) data = 0x7a;
+ else if(data2 >= 0xd3) data = 0x3a;
+ else if(data2 >= 0xa9) data = 0x1a;
+ else if(data2 >= 0x93) data = 0x0a;
+ else data = 0x02;
+ }
+ }
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x17,data);
+ } else if(HwInfo->jChipType == SIS_340) {
+ /* TODO */
+ }
+#endif
+
+ data = 0x60;
+ if(SiS_Pr->SiS_ModeType != ModeText) {
+ data ^= 0x60;
+ if(SiS_Pr->SiS_ModeType != ModeEGA) {
+ data ^= 0xA0;
+ }
+ }
+ SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x21,0x1F,data);
+
+ SiS_SetVCLKState(SiS_Pr, HwInfo, ModeNo, RefreshRateTableIndex, ModeIdIndex);
+
+#ifdef SIS315H
+ if(HwInfo->jChipType >= SIS_315H) {
+ if(SiS_GetReg(SiS_Pr->SiS_P3d4,0x31) & 0x40) {
+ SiS_SetReg(SiS_Pr->SiS_P3d4,0x52,0x2c);
+ } else {
+ SiS_SetReg(SiS_Pr->SiS_P3d4,0x52,0x6c);
+ }
+ }
+#endif
+}
+
+/*********************************************/
+/* LOAD DAC */
+/*********************************************/
+
+#if 0
+static void
+SiS_ClearDAC(SiS_Private *SiS_Pr, ULONG port)
+{
+ int i;
+
+ OutPortByte(port, 0);
+ port++;
+ for (i=0; i < (256 * 3); i++) {
+ OutPortByte(port, 0);
+ }
+}
+#endif
+
+static void
+SiS_WriteDAC(SiS_Private *SiS_Pr, SISIOADDRESS DACData, USHORT shiftflag,
+ USHORT dl, USHORT ah, USHORT al, USHORT dh)
+{
+ USHORT temp,bh,bl;
+
+ bh = ah;
+ bl = al;
+ if(dl != 0) {
+ temp = bh;
+ bh = dh;
+ dh = temp;
+ if(dl == 1) {
+ temp = bl;
+ bl = dh;
+ dh = temp;
+ } else {
+ temp = bl;
+ bl = bh;
+ bh = temp;
+ }
+ }
+ if(shiftflag) {
+ dh <<= 2;
+ bh <<= 2;
+ bl <<= 2;
+ }
+ SiS_SetRegByte(DACData,(USHORT)dh);
+ SiS_SetRegByte(DACData,(USHORT)bh);
+ SiS_SetRegByte(DACData,(USHORT)bl);
+}
+
+void
+SiS_LoadDAC(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
+ USHORT ModeNo, USHORT ModeIdIndex)
+{
+ USHORT data,data2;
+ USHORT time,i,j,k,m,n,o;
+ USHORT si,di,bx,dl,al,ah,dh;
+ USHORT shiftflag;
+ SISIOADDRESS DACAddr, DACData;
+ const USHORT *table = NULL;
+
+ if(ModeNo <= 0x13) {
+ data = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ModeFlag;
+ } else {
+ if(SiS_Pr->UseCustomMode) {
+ data = SiS_Pr->CModeFlag;
+ } else {
+ data = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag;
+ }
+ }
+
+ data &= DACInfoFlag;
+ time = 64;
+ if(data == 0x00) table = SiS_MDA_DAC;
+ if(data == 0x08) table = SiS_CGA_DAC;
+ if(data == 0x10) table = SiS_EGA_DAC;
+ if(data == 0x18) {
+ time = 256;
+ table = SiS_VGA_DAC;
+ }
+ if(time == 256) j = 16;
+ else j = time;
+
+ if( ( (SiS_Pr->SiS_VBInfo & SetCRT2ToLCD) && /* 301B-DH LCD */
+ (SiS_Pr->SiS_VBType & VB_NoLCD) ) ||
+ (SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA) || /* LCDA */
+ (!(SiS_Pr->SiS_SetFlag & ProgrammingCRT2)) ) { /* Programming CRT1 */
+ DACAddr = SiS_Pr->SiS_P3c8;
+ DACData = SiS_Pr->SiS_P3c9;
+ shiftflag = 0;
+ SiS_SetRegByte(SiS_Pr->SiS_P3c6,0xFF);
+ } else {
+ shiftflag = 1;
+ DACAddr = SiS_Pr->SiS_Part5Port;
+ DACData = SiS_Pr->SiS_Part5Port + 1;
+ }
+
+ SiS_SetRegByte(DACAddr,0x00);
+
+ for(i=0; i<j; i++) {
+ data = table[i];
+ for(k=0; k<3; k++) {
+ data2 = 0;
+ if(data & 0x01) data2 = 0x2A;
+ if(data & 0x02) data2 += 0x15;
+ if(shiftflag) data2 <<= 2;
+ SiS_SetRegByte(DACData, data2);
+ data >>= 2;
+ }
+ }
+
+ if(time == 256) {
+ for(i = 16; i < 32; i++) {
+ data = table[i];
+ if(shiftflag) data <<= 2;
+ for(k = 0; k < 3; k++) SiS_SetRegByte(DACData, data);
+ }
+ si = 32;
+ for(m = 0; m < 9; m++) {
+ di = si;
+ bx = si + 4;
+ dl = 0;
+ for(n = 0; n < 3; n++) {
+ for(o = 0; o < 5; o++) {
+ dh = table[si];
+ ah = table[di];
+ al = table[bx];
+ si++;
+ SiS_WriteDAC(SiS_Pr, DACData, shiftflag, dl, ah, al, dh);
+ }
+ si -= 2;
+ for(o = 0; o < 3; o++) {
+ dh = table[bx];
+ ah = table[di];
+ al = table[si];
+ si--;
+ SiS_WriteDAC(SiS_Pr, DACData, shiftflag, dl, ah, al, dh);
+ }
+ dl++;
+ } /* for n < 3 */
+ si += 5;
+ } /* for m < 9 */
+ }
+}
+
+/*********************************************/
+/* SET CRT1 REGISTER GROUP */
+/*********************************************/
+
+static void
+SiS_SetCRT1Group(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
+ USHORT ModeNo, USHORT ModeIdIndex)
+{
+ USHORT StandTableIndex,RefreshRateTableIndex;
+
+ SiS_Pr->SiS_CRT1Mode = ModeNo;
+ StandTableIndex = SiS_GetModePtr(SiS_Pr, ModeNo, ModeIdIndex);
+ if(SiS_Pr->SiS_SetFlag & LowModeTests) {
+ if(SiS_Pr->SiS_VBInfo & (SetSimuScanMode | SwitchCRT2)) {
+ SiS_DisableBridge(SiS_Pr, HwInfo);
+ }
+ }
+
+ SiS_ResetSegmentRegisters(SiS_Pr, HwInfo);
+
+ SiS_SetSeqRegs(SiS_Pr, StandTableIndex, HwInfo);
+ SiS_SetMiscRegs(SiS_Pr, StandTableIndex, HwInfo);
+ SiS_SetCRTCRegs(SiS_Pr, HwInfo, StandTableIndex);
+ SiS_SetATTRegs(SiS_Pr, StandTableIndex, HwInfo);
+ SiS_SetGRCRegs(SiS_Pr, StandTableIndex);
+ SiS_ClearExt1Regs(SiS_Pr, HwInfo, ModeNo);
+ SiS_ResetCRT1VCLK(SiS_Pr, HwInfo);
+
+ SiS_Pr->SiS_SelectCRT2Rate = 0;
+ SiS_Pr->SiS_SetFlag &= (~ProgrammingCRT2);
+
+#ifdef LINUX_XF86
+ xf86DrvMsgVerb(0, X_PROBED, 4, "(init: VBType=0x%04x, VBInfo=0x%04x)\n",
+ SiS_Pr->SiS_VBType, SiS_Pr->SiS_VBInfo);
+#endif
+
+ if(SiS_Pr->SiS_VBInfo & SetSimuScanMode) {
+ if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) {
+ SiS_Pr->SiS_SetFlag |= ProgrammingCRT2;
+ }
+ }
+
+ if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA) {
+ SiS_Pr->SiS_SetFlag |= ProgrammingCRT2;
+ }
+
+ RefreshRateTableIndex = SiS_GetRatePtr(SiS_Pr, ModeNo, ModeIdIndex, HwInfo);
+
+ if(!(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA)) {
+ SiS_Pr->SiS_SetFlag &= ~ProgrammingCRT2;
+ }
+
+ if(RefreshRateTableIndex != 0xFFFF) {
+ SiS_SetCRT1Sync(SiS_Pr, RefreshRateTableIndex);
+ SiS_SetCRT1CRTC(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex, HwInfo);
+ SiS_SetCRT1Offset(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex, HwInfo);
+ SiS_SetCRT1VCLK(SiS_Pr, ModeNo, ModeIdIndex, HwInfo, RefreshRateTableIndex);
+ }
+
+#ifdef SIS300
+ if(HwInfo->jChipType == SIS_300) {
+ SiS_SetCRT1FIFO_300(SiS_Pr, ModeNo,HwInfo,RefreshRateTableIndex);
+ } else if((HwInfo->jChipType == SIS_630) ||
+ (HwInfo->jChipType == SIS_730) ||
+ (HwInfo->jChipType == SIS_540)) {
+ SiS_SetCRT1FIFO_630(SiS_Pr, ModeNo, HwInfo, RefreshRateTableIndex);
+ }
+#endif
+#ifdef SIS315H
+ if(HwInfo->jChipType >= SIS_315H) {
+ SiS_SetCRT1FIFO_310(SiS_Pr, ModeNo, ModeIdIndex, HwInfo);
+ }
+#endif
+
+ SiS_SetCRT1ModeRegs(SiS_Pr, HwInfo, ModeNo, ModeIdIndex, RefreshRateTableIndex);
+
+ SiS_LoadDAC(SiS_Pr, HwInfo, ModeNo, ModeIdIndex);
+
+#ifdef LINUX_KERNEL
+ if(SiS_Pr->SiS_flag_clearbuffer) {
+ SiS_ClearBuffer(SiS_Pr,HwInfo,ModeNo);
+ }
+#endif
+
+ if(!(SiS_Pr->SiS_VBInfo & (SetSimuScanMode | SwitchCRT2 | SetCRT2ToLCDA))) {
+ SiS_WaitRetrace1(SiS_Pr);
+ SiS_DisplayOn(SiS_Pr);
+ }
+}
+
+/*********************************************/
+/* HELPER: VIDEO BRIDGE PROG CLK */
+/*********************************************/
+
+static void
+SiS_ResetVB(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+{
+ UCHAR *ROMAddr = HwInfo->pjVirtualRomBase;
+ USHORT temp;
+
+ /* VB programming clock */
+ if(SiS_Pr->SiS_UseROM) {
+ if(HwInfo->jChipType < SIS_330) {
+ temp = ROMAddr[VB310Data_1_2_Offset] | 0x40;
+ if(SiS_Pr->SiS_ROMNew) temp = ROMAddr[0x80] | 0x40;
+ SiS_SetReg(SiS_Pr->SiS_Part1Port,0x02,temp);
+ } else if(HwInfo->jChipType >= SIS_661) {
+ temp = ROMAddr[0x7e] | 0x40;
+ if(SiS_Pr->SiS_ROMNew) temp = ROMAddr[0x80] | 0x40;
+ SiS_SetReg(SiS_Pr->SiS_Part1Port,0x02,temp);
+ }
+ }
+}
+
+/*********************************************/
+/* HELPER: SET VIDEO REGISTERS */
+/*********************************************/
+
+static void
+SiS_StrangeStuff(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+{
+ if((IS_SIS651) || (IS_SISM650)) {
+ SiS_SetReg(SiS_Pr->SiS_VidCapt, 0x3f, 0x00); /* Fiddle with capture regs */
+ SiS_SetReg(SiS_Pr->SiS_VidCapt, 0x00, 0x00);
+ SiS_SetReg(SiS_Pr->SiS_VidPlay, 0x00, 0x86); /* (BIOS does NOT unlock) */
+ SiS_SetRegAND(SiS_Pr->SiS_VidPlay, 0x30, 0xfe); /* Fiddle with video regs */
+ SiS_SetRegAND(SiS_Pr->SiS_VidPlay, 0x3f, 0xef);
+ }
+ /* !!! This does not support modes < 0x13 !!! */
+}
+
+/*********************************************/
+/* XFree86: SET SCREEN PITCH */
+/*********************************************/
+
+#ifdef LINUX_XF86
+static void
+SiS_SetPitchCRT1(SiS_Private *SiS_Pr, ScrnInfoPtr pScrn)
+{
+ SISPtr pSiS = SISPTR(pScrn);
+ UShort HDisplay = pSiS->scrnPitch >> 3;
+
+ SiS_SetReg(SiS_Pr->SiS_P3d4,0x13,(HDisplay & 0xFF));
+ SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x0E,0xF0,(HDisplay>>8));
+}
+
+static void
+SiS_SetPitchCRT2(SiS_Private *SiS_Pr, ScrnInfoPtr pScrn)
+{
+ SISPtr pSiS = SISPTR(pScrn);
+ UShort HDisplay = pSiS->scrnPitch2 >> 3;
+
+ /* Unlock CRT2 */
+ if(pSiS->VGAEngine == SIS_315_VGA)
+ SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x2F, 0x01);
+ else
+ SiS_SetRegOR(SiS_Pr->SiS_Part1Port,0x24, 0x01);
+
+ SiS_SetReg(SiS_Pr->SiS_Part1Port,0x07,(HDisplay & 0xFF));
+ SiS_SetRegANDOR(SiS_Pr->SiS_Part1Port,0x09,0xF0,(HDisplay >> 8));
+}
+
+static void
+SiS_SetPitch(SiS_Private *SiS_Pr, ScrnInfoPtr pScrn)
+{
+ SISPtr pSiS = SISPTR(pScrn);
+ BOOLEAN isslavemode = FALSE;
+
+ if( (pSiS->VBFlags & VB_VIDEOBRIDGE) &&
+ ( ((pSiS->VGAEngine == SIS_300_VGA) &&
+ (SiS_GetReg(SiS_Pr->SiS_Part1Port,0x00) & 0xa0) == 0x20) ||
+ ((pSiS->VGAEngine == SIS_315_VGA) &&
+ (SiS_GetReg(SiS_Pr->SiS_Part1Port,0x00) & 0x50) == 0x10) ) ) {
+ isslavemode = TRUE;
+ }
+
+ /* We need to set pitch for CRT1 if bridge is in slave mode, too */
+ if((pSiS->VBFlags & DISPTYPE_DISP1) || (isslavemode)) {
+ SiS_SetPitchCRT1(SiS_Pr, pScrn);
+ }
+ /* We must not set the pitch for CRT2 if bridge is in slave mode */
+ if((pSiS->VBFlags & DISPTYPE_DISP2) && (!isslavemode)) {
+ SiS_SetPitchCRT2(SiS_Pr, pScrn);
+ }
+}
+#endif
+
+/*********************************************/
+/* SiSSetMode() */
+/*********************************************/
+
+#ifdef LINUX_XF86
+/* We need pScrn for setting the pitch correctly */
+BOOLEAN
+SiSSetMode(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,ScrnInfoPtr pScrn,USHORT ModeNo, BOOLEAN dosetpitch)
+#else
+BOOLEAN
+SiSSetMode(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,USHORT ModeNo)
+#endif
+{
+ USHORT ModeIdIndex;
+ SISIOADDRESS BaseAddr = HwInfo->ulIOAddress;
+ unsigned char backupreg=0;
+#ifdef LINUX_KERNEL
+ USHORT KeepLockReg;
+ ULONG temp;
+
+ SiS_Pr->UseCustomMode = FALSE;
+ SiS_Pr->CRT1UsesCustomMode = FALSE;
+#endif
+
+ if(SiS_Pr->UseCustomMode) {
+ ModeNo = 0xfe;
+ }
+
+ SiSInitPtr(SiS_Pr, HwInfo);
+ SiSRegInit(SiS_Pr, BaseAddr);
+ SiS_GetSysFlags(SiS_Pr, HwInfo);
+
+#if defined(LINUX_XF86) && (defined(i386) || defined(__i386) || defined(__i386__) || defined(__AMD64__))
+ if(pScrn) SiS_Pr->SiS_VGAINFO = SiS_GetSetBIOSScratch(pScrn, 0x489, 0xff);
+ else
+#endif
+ SiS_Pr->SiS_VGAINFO = 0x11;
+
+ SiSInitPCIetc(SiS_Pr, HwInfo);
+ SiSSetLVDSetc(SiS_Pr, HwInfo);
+ SiSDetermineROMUsage(SiS_Pr, HwInfo);
+
+ SiS_Pr->SiS_flag_clearbuffer = 0;
+
+ if(!SiS_Pr->UseCustomMode) {
+#ifdef LINUX_KERNEL
+ if(!(ModeNo & 0x80)) SiS_Pr->SiS_flag_clearbuffer = 1;
+#endif
+ ModeNo &= 0x7f;
+ }
+
+#ifdef LINUX_KERNEL
+ KeepLockReg = SiS_GetReg(SiS_Pr->SiS_P3c4,0x05);
+#endif
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x05,0x86);
+
+ SiS_UnLockCRT2(SiS_Pr, HwInfo);
+
+ if(!SiS_Pr->UseCustomMode) {
+ if(!(SiS_SearchModeID(SiS_Pr, &ModeNo, &ModeIdIndex))) return FALSE;
+ } else {
+ ModeIdIndex = 0;
+ }
+
+ SiS_GetVBType(SiS_Pr, HwInfo);
+
+ /* Init/restore some VB registers */
+
+ if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {
+ if(HwInfo->jChipType >= SIS_315H) {
+ SiS_ResetVB(SiS_Pr, HwInfo);
+ SiS_SetRegOR(SiS_Pr->SiS_P3c4,0x32,0x10);
+ SiS_SetRegOR(SiS_Pr->SiS_Part2Port,0x00,0x0c);
+ backupreg = SiS_GetReg(SiS_Pr->SiS_P3d4,0x38);
+ } else {
+ backupreg = SiS_GetReg(SiS_Pr->SiS_P3d4,0x35);
+ }
+ }
+
+ /* Get VB information (connectors, connected devices) */
+ SiS_GetVBInfo(SiS_Pr, ModeNo, ModeIdIndex, HwInfo, (SiS_Pr->UseCustomMode) ? 0 : 1);
+ SiS_SetYPbPr(SiS_Pr, HwInfo);
+ SiS_SetTVMode(SiS_Pr, ModeNo, ModeIdIndex, HwInfo);
+ SiS_GetLCDResInfo(SiS_Pr, ModeNo, ModeIdIndex, HwInfo);
+ SiS_SetLowModeTest(SiS_Pr, ModeNo, HwInfo);
+
+#ifdef LINUX_KERNEL
+ /* 3. Check memory size (Kernel framebuffer driver only) */
+ temp = SiS_CheckMemorySize(SiS_Pr, HwInfo, ModeNo, ModeIdIndex);
+ if(!temp) return(0);
+#endif
+
+ if(HwInfo->jChipType >= SIS_315H) {
+ SiS_SetupCR5x(SiS_Pr, HwInfo);
+ }
+
+ if(SiS_Pr->UseCustomMode) {
+ SiS_Pr->CRT1UsesCustomMode = TRUE;
+ SiS_Pr->CSRClock_CRT1 = SiS_Pr->CSRClock;
+ SiS_Pr->CModeFlag_CRT1 = SiS_Pr->CModeFlag;
+ } else {
+ SiS_Pr->CRT1UsesCustomMode = FALSE;
+ }
+
+ /* Set mode on CRT1 */
+ if( (SiS_Pr->SiS_VBInfo & (SetSimuScanMode | SetCRT2ToLCDA)) ||
+ (!(SiS_Pr->SiS_VBInfo & SwitchCRT2)) ) {
+ SiS_SetCRT1Group(SiS_Pr, HwInfo, ModeNo, ModeIdIndex);
+ }
+
+ /* Set mode on CRT2 */
+ if(SiS_Pr->SiS_VBInfo & (SetSimuScanMode | SwitchCRT2 | SetCRT2ToLCDA)) {
+ if( (SiS_Pr->SiS_VBType & VB_SISVB) ||
+ (SiS_Pr->SiS_IF_DEF_LVDS == 1) ||
+ (SiS_Pr->SiS_IF_DEF_CH70xx != 0) ||
+ (SiS_Pr->SiS_IF_DEF_TRUMPION != 0) ) {
+ SiS_SetCRT2Group(SiS_Pr, HwInfo, ModeNo);
+ }
+ }
+
+ SiS_HandleCRT1(SiS_Pr);
+
+ SiS_StrangeStuff(SiS_Pr, HwInfo);
+
+ SiS_DisplayOn(SiS_Pr);
+ SiS_SetRegByte(SiS_Pr->SiS_P3c6,0xFF);
+
+ if(HwInfo->jChipType >= SIS_315H) {
+ if(SiS_Pr->SiS_IF_DEF_LVDS == 1) {
+ if(!(SiS_IsDualEdge(SiS_Pr, HwInfo))) {
+ SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x13,0xfb);
+ }
+ }
+ }
+
+ if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {
+ if(HwInfo->jChipType >= SIS_315H) {
+ if(!SiS_Pr->SiS_ROMNew) {
+ if(SiS_IsVAMode(SiS_Pr,HwInfo)) {
+ SiS_SetRegOR(SiS_Pr->SiS_P3d4,0x35,0x01);
+ } else {
+ SiS_SetRegAND(SiS_Pr->SiS_P3d4,0x35,0xFE);
+ }
+ }
+
+ SiS_SetReg(SiS_Pr->SiS_P3d4,0x38,backupreg);
+
+ if((IS_SIS650) && (SiS_GetReg(SiS_Pr->SiS_P3d4,0x30) & 0xfc)) {
+ if((ModeNo == 0x03) || (ModeNo == 0x10)) {
+ SiS_SetRegOR(SiS_Pr->SiS_P3d4,0x51,0x80);
+ SiS_SetRegOR(SiS_Pr->SiS_P3d4,0x56,0x08);
+ }
+ }
+
+ if(SiS_GetReg(SiS_Pr->SiS_P3d4,0x30) & SetCRT2ToLCD) {
+ SiS_SetRegAND(SiS_Pr->SiS_P3d4,0x38,0xfc);
+ }
+ } else if((HwInfo->jChipType == SIS_630) ||
+ (HwInfo->jChipType == SIS_730)) {
+ SiS_SetReg(SiS_Pr->SiS_P3d4,0x35,backupreg);
+ }
+ }
+
+#ifdef LINUX_XF86
+ if(pScrn) {
+ /* SetPitch: Adapt to virtual size & position */
+ if((ModeNo > 0x13) && (dosetpitch)) {
+ SiS_SetPitch(SiS_Pr, pScrn);
+ }
+
+ /* Backup/Set ModeNo in BIOS scratch area */
+ SiS_GetSetModeID(pScrn, ModeNo);
+ }
+#endif
+
+#ifdef LINUX_KERNEL /* We never lock registers in XF86 */
+ if(KeepLockReg == 0xA1) SiS_SetReg(SiS_Pr->SiS_P3c4,0x05,0x86);
+ else SiS_SetReg(SiS_Pr->SiS_P3c4,0x05,0x00);
+#endif
+
+ return TRUE;
+}
+
+/*********************************************/
+/* XFree86: SiSBIOSSetMode() */
+/* for non-Dual-Head mode */
+/*********************************************/
+
+#ifdef LINUX_XF86
+BOOLEAN
+SiSBIOSSetMode(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, ScrnInfoPtr pScrn,
+ DisplayModePtr mode, BOOLEAN IsCustom)
+{
+ SISPtr pSiS = SISPTR(pScrn);
+ UShort ModeNo = 0;
+
+ SiS_Pr->UseCustomMode = FALSE;
+
+ if((IsCustom) && (SiS_CheckBuildCustomMode(pScrn, mode, pSiS->VBFlags))) {
+
+ xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 3, "Setting custom mode %dx%d\n",
+ SiS_Pr->CHDisplay,
+ (mode->Flags & V_INTERLACE ? SiS_Pr->CVDisplay * 2 :
+ (mode->Flags & V_DBLSCAN ? SiS_Pr->CVDisplay / 2 :
+ SiS_Pr->CVDisplay)));
+
+ } else {
+
+ /* Don't need vbflags here; checks done earlier */
+ ModeNo = SiS_GetModeNumber(pScrn, mode, 0);
+ if(!ModeNo) return FALSE;
+
+ xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 3, "Setting standard mode 0x%x\n", ModeNo);
+
+ }
+
+ return(SiSSetMode(SiS_Pr, HwInfo, pScrn, ModeNo, TRUE));
+}
+
+/*********************************************/
+/* XFree86: SiSBIOSSetModeCRT2() */
+/* for Dual-Head modes */
+/*********************************************/
+BOOLEAN
+SiSBIOSSetModeCRT2(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, ScrnInfoPtr pScrn,
+ DisplayModePtr mode, BOOLEAN IsCustom)
+{
+ USHORT ModeIdIndex;
+ SISIOADDRESS BaseAddr = HwInfo->ulIOAddress;
+ UShort ModeNo = 0;
+ unsigned char backupreg=0;
+ SISPtr pSiS = SISPTR(pScrn);
+#ifdef SISDUALHEAD
+ SISEntPtr pSiSEnt = pSiS->entityPrivate;
+#endif
+
+ SiS_Pr->UseCustomMode = FALSE;
+
+ /* Remember: Custom modes for CRT2 are ONLY supported
+ * -) on the 30x/B/C, and
+ * -) if CRT2 is LCD or VGA, or CRT1 is LCDA
+ */
+
+ if((IsCustom) && (SiS_CheckBuildCustomMode(pScrn, mode, pSiS->VBFlags))) {
+
+ ModeNo = 0xfe;
+
+ } else {
+
+ ModeNo = SiS_GetModeNumber(pScrn, mode, 0);
+ if(!ModeNo) return FALSE;
+
+ }
+
+ SiSRegInit(SiS_Pr, BaseAddr);
+ SiSInitPtr(SiS_Pr, HwInfo);
+ SiS_GetSysFlags(SiS_Pr, HwInfo);
+#if (defined(i386) || defined(__i386) || defined(__i386__) || defined(__AMD64__))
+ SiS_Pr->SiS_VGAINFO = SiS_GetSetBIOSScratch(pScrn, 0x489, 0xff);
+#else
+ SiS_Pr->SiS_VGAINFO = 0x11;
+#endif
+ SiSInitPCIetc(SiS_Pr, HwInfo);
+ SiSSetLVDSetc(SiS_Pr, HwInfo);
+ SiSDetermineROMUsage(SiS_Pr, HwInfo);
+
+ /* Save mode info so we can set it from within SetMode for CRT1 */
+#ifdef SISDUALHEAD
+ if(pSiS->DualHeadMode) {
+ pSiSEnt->CRT2ModeNo = ModeNo;
+ pSiSEnt->CRT2DMode = mode;
+ pSiSEnt->CRT2IsCustom = IsCustom;
+ pSiSEnt->CRT2CR30 = SiS_GetReg(SiS_Pr->SiS_P3d4,0x30);
+ pSiSEnt->CRT2CR31 = SiS_GetReg(SiS_Pr->SiS_P3d4,0x31);
+ pSiSEnt->CRT2CR35 = SiS_GetReg(SiS_Pr->SiS_P3d4,0x35);
+ pSiSEnt->CRT2CR38 = SiS_GetReg(SiS_Pr->SiS_P3d4,0x38);
+#if 0
+ /* We can't set CRT2 mode before CRT1 mode is set */
+ if(pSiSEnt->CRT1ModeNo == -1) {
+ xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 3,
+ "Setting CRT2 mode delayed until after setting CRT1 mode\n");
+ return TRUE;
+ }
+#endif
+ pSiSEnt->CRT2ModeSet = TRUE;
+ }
+#endif
+
+ /* We don't clear the buffer in X */
+ SiS_Pr->SiS_flag_clearbuffer=0;
+
+ if(SiS_Pr->UseCustomMode) {
+
+ USHORT temptemp = SiS_Pr->CVDisplay;
+
+ if(SiS_Pr->CModeFlag & DoubleScanMode) temptemp >>= 1;
+ else if(SiS_Pr->CInfoFlag & InterlaceMode) temptemp <<= 1;
+
+ xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 3,
+ "Setting custom mode %dx%d on CRT2\n",
+ SiS_Pr->CHDisplay, temptemp);
+
+ } else {
+
+ xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 3,
+ "Setting standard mode 0x%x on CRT2\n", ModeNo);
+
+ }
+
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x05,0x86);
+
+ SiS_UnLockCRT2(SiS_Pr, HwInfo);
+
+ if(!SiS_Pr->UseCustomMode) {
+ if(!(SiS_SearchModeID(SiS_Pr, &ModeNo, &ModeIdIndex))) return FALSE;
+ } else {
+ ModeIdIndex = 0;
+ }
+
+ SiS_GetVBType(SiS_Pr, HwInfo);
+
+ if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {
+ if(HwInfo->jChipType >= SIS_315H) {
+ SiS_ResetVB(SiS_Pr, HwInfo);
+ SiS_SetRegOR(SiS_Pr->SiS_P3c4,0x32,0x10);
+ SiS_SetRegOR(SiS_Pr->SiS_Part2Port,0x00,0x0c);
+ backupreg = SiS_GetReg(SiS_Pr->SiS_P3d4,0x38);
+ } else {
+ backupreg = SiS_GetReg(SiS_Pr->SiS_P3d4,0x35);
+ }
+ }
+
+ /* Get VB information (connectors, connected devices) */
+ if(!SiS_Pr->UseCustomMode) {
+ SiS_GetVBInfo(SiS_Pr, ModeNo, ModeIdIndex, HwInfo, 1);
+ } else {
+ /* If this is a custom mode, we don't check the modeflag for CRT2Mode */
+ SiS_GetVBInfo(SiS_Pr, ModeNo, ModeIdIndex, HwInfo, 0);
+ }
+ SiS_SetYPbPr(SiS_Pr, HwInfo);
+ SiS_SetTVMode(SiS_Pr, ModeNo, ModeIdIndex, HwInfo);
+ SiS_GetLCDResInfo(SiS_Pr, ModeNo, ModeIdIndex, HwInfo);
+ SiS_SetLowModeTest(SiS_Pr, ModeNo, HwInfo);
+
+ /* Set mode on CRT2 */
+ if( (SiS_Pr->SiS_VBType & VB_SISVB) ||
+ (SiS_Pr->SiS_IF_DEF_LVDS == 1) ||
+ (SiS_Pr->SiS_IF_DEF_CH70xx != 0) ||
+ (SiS_Pr->SiS_IF_DEF_TRUMPION != 0) ) {
+ SiS_SetCRT2Group(SiS_Pr, HwInfo, ModeNo);
+ }
+
+ SiS_StrangeStuff(SiS_Pr, HwInfo);
+
+ SiS_DisplayOn(SiS_Pr);
+ SiS_SetRegByte(SiS_Pr->SiS_P3c6,0xFF);
+
+ if(HwInfo->jChipType >= SIS_315H) {
+ if(SiS_Pr->SiS_IF_DEF_LVDS == 1) {
+ if(!(SiS_IsDualEdge(SiS_Pr, HwInfo))) {
+ SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x13,0xfb);
+ }
+ }
+ }
+
+ if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {
+ if(HwInfo->jChipType >= SIS_315H) {
+ if(!SiS_Pr->SiS_ROMNew) {
+ if(SiS_IsVAMode(SiS_Pr,HwInfo)) {
+ SiS_SetRegOR(SiS_Pr->SiS_P3d4,0x35,0x01);
+ } else {
+ SiS_SetRegAND(SiS_Pr->SiS_P3d4,0x35,0xFE);
+ }
+ }
+
+ SiS_SetReg(SiS_Pr->SiS_P3d4,0x38,backupreg);
+
+ if(SiS_GetReg(SiS_Pr->SiS_P3d4,0x30) & SetCRT2ToLCD) {
+ SiS_SetRegAND(SiS_Pr->SiS_P3d4,0x38,0xfc);
+ }
+ } else if((HwInfo->jChipType == SIS_630) ||
+ (HwInfo->jChipType == SIS_730)) {
+ SiS_SetReg(SiS_Pr->SiS_P3d4,0x35,backupreg);
+ }
+ }
+
+ /* SetPitch: Adapt to virtual size & position */
+ SiS_SetPitchCRT2(SiS_Pr, pScrn);
+
+ return TRUE;
+}
+
+/*********************************************/
+/* XFree86: SiSBIOSSetModeCRT1() */
+/* for Dual-Head modes */
+/*********************************************/
+
+BOOLEAN
+SiSBIOSSetModeCRT1(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo, ScrnInfoPtr pScrn,
+ DisplayModePtr mode, BOOLEAN IsCustom)
+{
+ SISPtr pSiS = SISPTR(pScrn);
+ SISIOADDRESS BaseAddr = HwInfo->ulIOAddress;
+ USHORT ModeIdIndex, ModeNo=0;
+ UCHAR backupreg=0;
+#ifdef SISDUALHEAD
+ SISEntPtr pSiSEnt = pSiS->entityPrivate;
+ UCHAR backupcr30, backupcr31, backupcr38, backupcr35, backupp40d=0;
+ BOOLEAN backupcustom;
+#endif
+
+ SiS_Pr->UseCustomMode = FALSE;
+
+ if((IsCustom) && (SiS_CheckBuildCustomMode(pScrn, mode, pSiS->VBFlags))) {
+
+ USHORT temptemp = SiS_Pr->CVDisplay;
+
+ if(SiS_Pr->CModeFlag & DoubleScanMode) temptemp >>= 1;
+ else if(SiS_Pr->CInfoFlag & InterlaceMode) temptemp <<= 1;
+
+ xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 3,
+ "Setting custom mode %dx%d on CRT1\n",
+ SiS_Pr->CHDisplay, temptemp);
+ ModeNo = 0xfe;
+
+ } else {
+
+ ModeNo = SiS_GetModeNumber(pScrn, mode, 0);
+ if(!ModeNo) return FALSE;
+
+ xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 3,
+ "Setting standard mode 0x%x on CRT1\n", ModeNo);
+ }
+
+ SiSInitPtr(SiS_Pr, HwInfo);
+ SiSRegInit(SiS_Pr, BaseAddr);
+ SiS_GetSysFlags(SiS_Pr, HwInfo);
+#if (defined(i386) || defined(__i386) || defined(__i386__) || defined(__AMD64__))
+ SiS_Pr->SiS_VGAINFO = SiS_GetSetBIOSScratch(pScrn, 0x489, 0xff);
+#else
+ SiS_Pr->SiS_VGAINFO = 0x11;
+#endif
+ SiSInitPCIetc(SiS_Pr, HwInfo);
+ SiSSetLVDSetc(SiS_Pr, HwInfo);
+ SiSDetermineROMUsage(SiS_Pr, HwInfo);
+
+ /* We don't clear the buffer in X */
+ SiS_Pr->SiS_flag_clearbuffer = 0;
+
+ SiS_SetReg(SiS_Pr->SiS_P3c4,0x05,0x86);
+
+ SiS_UnLockCRT2(SiS_Pr, HwInfo);
+
+ if(!SiS_Pr->UseCustomMode) {
+ if(!(SiS_SearchModeID(SiS_Pr, &ModeNo, &ModeIdIndex))) return FALSE;
+ } else {
+ ModeIdIndex = 0;
+ }
+
+ /* Determine VBType */
+ SiS_GetVBType(SiS_Pr, HwInfo);
+
+ if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {
+ if(HwInfo->jChipType >= SIS_315H) {
+ backupreg = SiS_GetReg(SiS_Pr->SiS_P3d4,0x38);
+ } else {
+ backupreg = SiS_GetReg(SiS_Pr->SiS_P3d4,0x35);
+ }
+ }
+
+ /* Get VB information (connectors, connected devices) */
+ /* (We don't care if the current mode is a CRT2 mode) */
+ SiS_GetVBInfo(SiS_Pr, ModeNo, ModeIdIndex, HwInfo, 0);
+ SiS_SetYPbPr(SiS_Pr, HwInfo);
+ SiS_SetTVMode(SiS_Pr, ModeNo, ModeIdIndex, HwInfo);
+ SiS_GetLCDResInfo(SiS_Pr, ModeNo, ModeIdIndex, HwInfo);
+ SiS_SetLowModeTest(SiS_Pr, ModeNo, HwInfo);
+
+ if(HwInfo->jChipType >= SIS_315H) {
+ SiS_SetupCR5x(SiS_Pr, HwInfo);
+ }
+
+ /* Set mode on CRT1 */
+ SiS_SetCRT1Group(SiS_Pr, HwInfo, ModeNo, ModeIdIndex);
+ if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA) {
+ SiS_SetCRT2Group(SiS_Pr, HwInfo, ModeNo);
+ }
+
+ /* SetPitch: Adapt to virtual size & position */
+ SiS_SetPitchCRT1(SiS_Pr, pScrn);
+
+#ifdef SISDUALHEAD
+ if(pSiS->DualHeadMode) {
+ pSiSEnt->CRT1ModeNo = ModeNo;
+ pSiSEnt->CRT1DMode = mode;
+ }
+#endif
+
+ if(SiS_Pr->UseCustomMode) {
+ SiS_Pr->CRT1UsesCustomMode = TRUE;
+ SiS_Pr->CSRClock_CRT1 = SiS_Pr->CSRClock;
+ SiS_Pr->CModeFlag_CRT1 = SiS_Pr->CModeFlag;
+ } else {
+ SiS_Pr->CRT1UsesCustomMode = FALSE;
+ }
+
+ /* Reset CRT2 if changing mode on CRT1 */
+#ifdef SISDUALHEAD
+ if(pSiS->DualHeadMode) {
+ if(pSiSEnt->CRT2ModeNo != -1) {
+ xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, 3,
+ "(Re-)Setting mode for CRT2\n");
+ backupcustom = SiS_Pr->UseCustomMode;
+ backupcr30 = SiS_GetReg(SiS_Pr->SiS_P3d4,0x30);
+ backupcr31 = SiS_GetReg(SiS_Pr->SiS_P3d4,0x31);
+ backupcr35 = SiS_GetReg(SiS_Pr->SiS_P3d4,0x35);
+ backupcr38 = SiS_GetReg(SiS_Pr->SiS_P3d4,0x38);
+ if(SiS_Pr->SiS_VBType & VB_SISVB) {
+ /* Backup LUT-enable */
+ if(pSiSEnt->CRT2ModeSet) {
+ backupp40d = SiS_GetReg(SiS_Pr->SiS_Part4Port,0x0d) & 0x08;
+ }
+ }
+ if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA) {
+ SiS_SetReg(SiS_Pr->SiS_P3d4,0x30,pSiSEnt->CRT2CR30);
+ SiS_SetReg(SiS_Pr->SiS_P3d4,0x31,pSiSEnt->CRT2CR31);
+ SiS_SetReg(SiS_Pr->SiS_P3d4,0x35,pSiSEnt->CRT2CR35);
+ SiS_SetReg(SiS_Pr->SiS_P3d4,0x38,pSiSEnt->CRT2CR38);
+ }
+ SiSBIOSSetModeCRT2(SiS_Pr, HwInfo, pSiSEnt->pScrn_1,
+ pSiSEnt->CRT2DMode, pSiSEnt->CRT2IsCustom);
+ SiS_SetReg(SiS_Pr->SiS_P3d4,0x30,backupcr30);
+ SiS_SetReg(SiS_Pr->SiS_P3d4,0x31,backupcr31);
+ SiS_SetReg(SiS_Pr->SiS_P3d4,0x35,backupcr35);
+ SiS_SetReg(SiS_Pr->SiS_P3d4,0x38,backupcr38);
+ if(SiS_Pr->SiS_VBType & VB_SISVB) {
+ SiS_SetRegANDOR(SiS_Pr->SiS_Part4Port,0x0d, ~0x08, backupp40d);
+ }
+ SiS_Pr->UseCustomMode = backupcustom;
+ }
+ }
+#endif
+
+ /* Warning: From here, the custom mode entries in SiS_Pr are
+ * possibly overwritten
+ */
+
+ SiS_HandleCRT1(SiS_Pr);
+
+ SiS_StrangeStuff(SiS_Pr, HwInfo);
+
+ SiS_DisplayOn(SiS_Pr);
+ SiS_SetRegByte(SiS_Pr->SiS_P3c6,0xFF);
+
+ if(SiS_Pr->SiS_VBType & VB_SIS301BLV302BLV) {
+ if(HwInfo->jChipType >= SIS_315H) {
+ SiS_SetReg(SiS_Pr->SiS_P3d4,0x38,backupreg);
+ } else if((HwInfo->jChipType == SIS_630) ||
+ (HwInfo->jChipType == SIS_730)) {
+ SiS_SetReg(SiS_Pr->SiS_P3d4,0x35,backupreg);
+ }
+ }
+
+ /* Backup/Set ModeNo in BIOS scratch area */
+ SiS_GetSetModeID(pScrn,ModeNo);
+
+ return TRUE;
+}
+#endif /* Linux_XF86 */
+
+
+#ifdef LINUX_XF86
+BOOLEAN
+SiS_GetPanelID(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo)
+{
+ const USHORT PanelTypeTable300[16] = {
+ 0xc101, 0xc117, 0x0121, 0xc135, 0xc142, 0xc152, 0xc162, 0xc072,
+ 0xc181, 0xc192, 0xc1a1, 0xc1b6, 0xc1c2, 0xc0d2, 0xc1e2, 0xc1f2
+ };
+ const USHORT PanelTypeTable31030x[16] = {
+ 0xc102, 0xc112, 0x0122, 0xc132, 0xc142, 0xc152, 0xc169, 0xc179,
+ 0x0189, 0xc192, 0xc1a2, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
+ };
+ const USHORT PanelTypeTable310LVDS[16] = {
+ 0xc111, 0xc122, 0xc133, 0xc144, 0xc155, 0xc166, 0xc177, 0xc188,
+ 0xc199, 0xc0aa, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000
+ };
+ USHORT tempax,tempbx,temp;
+
+ if(HwInfo->jChipType < SIS_315H) {
+
+ tempax = SiS_GetReg(SiS_Pr->SiS_P3c4,0x18);
+ tempbx = tempax & 0x0F;
+ if(!(tempax & 0x10)){
+ if(SiS_Pr->SiS_IF_DEF_LVDS == 1){
+ tempbx = 0;
+ temp = SiS_GetReg(SiS_Pr->SiS_P3c4,0x38);
+ if(temp & 0x40) tempbx |= 0x08;
+ if(temp & 0x20) tempbx |= 0x02;
+ if(temp & 0x01) tempbx |= 0x01;
+ temp = SiS_GetReg(SiS_Pr->SiS_P3c4,0x39);
+ if(temp & 0x80) tempbx |= 0x04;
+ } else {
+ return 0;
+ }
+ }
+ tempbx = PanelTypeTable300[tempbx];
+ tempbx |= LCDSync;
+ temp = tempbx & 0x00FF;
+ SiS_SetReg(SiS_Pr->SiS_P3d4,0x36,temp);
+ temp = (tempbx & 0xFF00) >> 8;
+ SiS_SetRegANDOR(SiS_Pr->SiS_P3d4,0x37,~(LCDSyncBit|LCDRGB18Bit),temp);
+
+ } else {
+
+ if(HwInfo->jChipType >= SIS_661) return 0;
+
+ tempax = SiS_GetReg(SiS_Pr->SiS_P3c4,0x1a);
+ tempax &= 0x1e;
+ tempax >>= 1;
+ if(SiS_Pr->SiS_IF_DEF_LVDS == 1) {
+ if(tempax == 0) {
+ /* TODO: Include HUGE detection routine
+ (Probably not worth bothering)
+ */
+ return 0;
+ }
+ temp = tempax & 0xff;
+ tempax--;
+ tempbx = PanelTypeTable310LVDS[tempax];
+ } else {
+ tempbx = PanelTypeTable31030x[tempax];
+ temp = tempbx & 0xff;
+ }
+ SiS_SetReg(SiS_Pr->SiS_P3d4,0x36,temp);
+ tempbx = (tempbx & 0xff00) >> 8;
+ temp = tempbx & 0xc1;
+ SiS_SetRegANDOR(SiS_Pr->SiS_P3d4,0x37,~(LCDSyncBit|LCDRGB18Bit),temp);
+ if(SiS_Pr->SiS_VBType & VB_SISVB) {
+ temp = tempbx & 0x04;
+ SiS_SetRegANDOR(SiS_Pr->SiS_P3d4,0x39,0xfb,temp);
+ }
+
+ }
+ return 1;
+}
+#endif
+
+#ifndef GETBITSTR
+#define BITMASK(h,l) (((unsigned)(1U << ((h)-(l)+1))-1)<<(l))
+#define GENMASK(mask) BITMASK(1?mask,0?mask)
+#define GETBITS(var,mask) (((var) & GENMASK(mask)) >> (0?mask))
+#define GETBITSTR(val,from,to) ((GETBITS(val,from)) << (0?to))
+#endif
+
+static void
+SiS_CalcCRRegisters(SiS_Private *SiS_Pr, int depth)
+{
+ SiS_Pr->CCRT1CRTC[0] = ((SiS_Pr->CHTotal >> 3) - 5) & 0xff; /* CR0 */
+ SiS_Pr->CCRT1CRTC[1] = (SiS_Pr->CHDisplay >> 3) - 1; /* CR1 */
+ SiS_Pr->CCRT1CRTC[2] = (SiS_Pr->CHBlankStart >> 3) - 1; /* CR2 */
+ SiS_Pr->CCRT1CRTC[3] = (((SiS_Pr->CHBlankEnd >> 3) - 1) & 0x1F) | 0x80; /* CR3 */
+ SiS_Pr->CCRT1CRTC[4] = (SiS_Pr->CHSyncStart >> 3) + 3; /* CR4 */
+ SiS_Pr->CCRT1CRTC[5] = ((((SiS_Pr->CHBlankEnd >> 3) - 1) & 0x20) << 2) | /* CR5 */
+ (((SiS_Pr->CHSyncEnd >> 3) + 3) & 0x1F);
+
+ SiS_Pr->CCRT1CRTC[6] = (SiS_Pr->CVTotal - 2) & 0xFF; /* CR6 */
+ SiS_Pr->CCRT1CRTC[7] = (((SiS_Pr->CVTotal - 2) & 0x100) >> 8) /* CR7 */
+ | (((SiS_Pr->CVDisplay - 1) & 0x100) >> 7)
+ | ((SiS_Pr->CVSyncStart & 0x100) >> 6)
+ | (((SiS_Pr->CVBlankStart - 1) & 0x100) >> 5)
+ | 0x10
+ | (((SiS_Pr->CVTotal - 2) & 0x200) >> 4)
+ | (((SiS_Pr->CVDisplay - 1) & 0x200) >> 3)
+ | ((SiS_Pr->CVSyncStart & 0x200) >> 2);
+
+ SiS_Pr->CCRT1CRTC[16] = ((((SiS_Pr->CVBlankStart - 1) & 0x200) >> 4) >> 5); /* CR9 */
+
+ if(depth != 8) {
+ if(SiS_Pr->CHDisplay >= 1600) SiS_Pr->CCRT1CRTC[16] |= 0x60; /* SRE */
+ else if(SiS_Pr->CHDisplay >= 640) SiS_Pr->CCRT1CRTC[16] |= 0x40;
+ }
+
+#if 0
+ if (mode->VScan >= 32)
+ regp->CRTC[9] |= 0x1F;
+ else if (mode->VScan > 1)
+ regp->CRTC[9] |= mode->VScan - 1;
+#endif
+
+ SiS_Pr->CCRT1CRTC[8] = (SiS_Pr->CVSyncStart ) & 0xFF; /* CR10 */
+ SiS_Pr->CCRT1CRTC[9] = ((SiS_Pr->CVSyncEnd ) & 0x0F) | 0x80; /* CR11 */
+ SiS_Pr->CCRT1CRTC[10] = (SiS_Pr->CVDisplay - 1) & 0xFF; /* CR12 */
+ SiS_Pr->CCRT1CRTC[11] = (SiS_Pr->CVBlankStart - 1) & 0xFF; /* CR15 */
+ SiS_Pr->CCRT1CRTC[12] = (SiS_Pr->CVBlankEnd - 1) & 0xFF; /* CR16 */
+
+ SiS_Pr->CCRT1CRTC[13] = /* SRA */
+ GETBITSTR((SiS_Pr->CVTotal -2), 10:10, 0:0) |
+ GETBITSTR((SiS_Pr->CVDisplay -1), 10:10, 1:1) |
+ GETBITSTR((SiS_Pr->CVBlankStart-1), 10:10, 2:2) |
+ GETBITSTR((SiS_Pr->CVSyncStart ), 10:10, 3:3) |
+ GETBITSTR((SiS_Pr->CVBlankEnd -1), 8:8, 4:4) |
+ GETBITSTR((SiS_Pr->CVSyncEnd ), 4:4, 5:5) ;
+
+ SiS_Pr->CCRT1CRTC[14] = /* SRB */
+ GETBITSTR((SiS_Pr->CHTotal >> 3) - 5, 9:8, 1:0) |
+ GETBITSTR((SiS_Pr->CHDisplay >> 3) - 1, 9:8, 3:2) |
+ GETBITSTR((SiS_Pr->CHBlankStart >> 3) - 1, 9:8, 5:4) |
+ GETBITSTR((SiS_Pr->CHSyncStart >> 3) + 3, 9:8, 7:6) ;
+
+
+ SiS_Pr->CCRT1CRTC[15] = /* SRC */
+ GETBITSTR((SiS_Pr->CHBlankEnd >> 3) - 1, 7:6, 1:0) |
+ GETBITSTR((SiS_Pr->CHSyncEnd >> 3) + 3, 5:5, 2:2) ;
+}
+
+void
+SiS_CalcLCDACRT1Timing(SiS_Private *SiS_Pr,USHORT ModeNo,USHORT ModeIdIndex)
+{
+ USHORT modeflag, tempax, tempbx, VGAHDE = SiS_Pr->SiS_VGAHDE;
+ int i,j;
+
+ /* 1:1 data: use data set by setcrt1crtc() */
+ if(SiS_Pr->SiS_LCDInfo & LCDPass11) 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;
+ }
+
+ if(modeflag & HalfDCLK) VGAHDE >>= 1;
+
+ SiS_Pr->CHDisplay = VGAHDE;
+ SiS_Pr->CHBlankStart = VGAHDE;
+
+ SiS_Pr->CVDisplay = SiS_Pr->SiS_VGAVDE;
+ SiS_Pr->CVBlankStart = SiS_Pr->SiS_VGAVDE;
+
+ tempbx = SiS_Pr->PanelHT - SiS_Pr->PanelXRes;
+ tempax = SiS_Pr->SiS_VGAHDE; /* not /2 ! */
+ if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) {
+ tempax = SiS_Pr->PanelXRes;
+ }
+ tempbx += tempax;
+ if(modeflag & HalfDCLK) tempbx -= VGAHDE;
+ SiS_Pr->CHTotal = SiS_Pr->CHBlankEnd = tempbx;
+
+ tempax = VGAHDE;
+ tempbx = SiS_Pr->CHTotal;
+ if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) {
+ tempbx = SiS_Pr->PanelXRes;
+ if(modeflag & HalfDCLK) tempbx >>= 1;
+ tempax += ((tempbx - tempax) >> 1);
+ }
+
+ tempax += SiS_Pr->PanelHRS;
+ SiS_Pr->CHSyncStart = tempax;
+ tempax += SiS_Pr->PanelHRE;
+ SiS_Pr->CHSyncEnd = tempax;
+
+ tempbx = SiS_Pr->PanelVT - SiS_Pr->PanelYRes;
+ tempax = SiS_Pr->SiS_VGAVDE;
+ if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) {
+ tempax = SiS_Pr->PanelYRes;
+ }
+ SiS_Pr->CVTotal = SiS_Pr->CVBlankEnd = tempbx + tempax;
+
+ tempax = SiS_Pr->SiS_VGAVDE;
+ if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) {
+ tempax += (SiS_Pr->PanelYRes - tempax) >> 1;
+ }
+ tempax += SiS_Pr->PanelVRS;
+ SiS_Pr->CVSyncStart = tempax;
+ tempax += SiS_Pr->PanelVRE;
+ SiS_Pr->CVSyncEnd = tempax;
+
+ SiS_CalcCRRegisters(SiS_Pr, 8);
+ SiS_Pr->CCRT1CRTC[16] &= ~0xE0;
+
+ SiS_SetRegAND(SiS_Pr->SiS_P3d4,0x11,0x7f);
+
+ for(i=0,j=0;i<=7;i++,j++) {
+ SiS_SetReg(SiS_Pr->SiS_P3d4,j,SiS_Pr->CCRT1CRTC[i]);
+ }
+ for(j=0x10;i<=10;i++,j++) {
+ SiS_SetReg(SiS_Pr->SiS_P3d4,j,SiS_Pr->CCRT1CRTC[i]);
+ }
+ for(j=0x15;i<=12;i++,j++) {
+ SiS_SetReg(SiS_Pr->SiS_P3d4,j,SiS_Pr->CCRT1CRTC[i]);
+ }
+ for(j=0x0A;i<=15;i++,j++) {
+ SiS_SetReg(SiS_Pr->SiS_P3c4,j,SiS_Pr->CCRT1CRTC[i]);
+ }
+
+ tempax = SiS_Pr->CCRT1CRTC[16] & 0xE0;
+ SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x0E,0x1F,tempax);
+
+ tempax = (SiS_Pr->CCRT1CRTC[16] & 0x01) << 5;
+ if(modeflag & DoubleScanMode) tempax |= 0x80;
+ SiS_SetRegANDOR(SiS_Pr->SiS_P3d4,0x09,0x5F,tempax);
+
+#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
+}
+
+#ifdef LINUX_XF86
+
+void
+SiS_MakeClockRegs(ScrnInfoPtr pScrn, int clock, UCHAR *p2b, UCHAR *p2c)
+{
+ int out_n, out_dn, out_div, out_sbit, out_scale;
+ unsigned int vclk[5];
+
+#define Midx 0
+#define Nidx 1
+#define VLDidx 2
+#define Pidx 3
+#define PSNidx 4
+
+ if(SiS_compute_vclk(clock, &out_n, &out_dn, &out_div, &out_sbit, &out_scale)) {
+ (*p2b) = (out_div == 2) ? 0x80 : 0x00;
+ (*p2b) |= ((out_n - 1) & 0x7f);
+ (*p2c) = (out_dn - 1) & 0x1f;
+ (*p2c) |= (((out_scale - 1) & 3) << 5);
+ (*p2c) |= ((out_sbit & 0x01) << 7);
+#ifdef TWDEBUG
+ xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Clock %d: n %d dn %d div %d sb %d sc %d\n",
+ clock, out_n, out_dn, out_div, out_sbit, out_scale);
+#endif
+ } else {
+ SiSCalcClock(pScrn, clock, 2, vclk);
+ (*p2b) = (vclk[VLDidx] == 2) ? 0x80 : 0x00;
+ (*p2b) |= (vclk[Midx] - 1) & 0x7f;
+ (*p2c) = (vclk[Nidx] - 1) & 0x1f;
+ if(vclk[Pidx] <= 4) {
+ /* postscale 1,2,3,4 */
+ (*p2c) |= ((vclk[Pidx] - 1) & 3) << 5;
+ } else {
+ /* postscale 6,8 */
+ (*p2c) |= (((vclk[Pidx] / 2) - 1) & 3) << 5;
+ (*p2c) |= 0x80;
+ }
+#ifdef TWDEBUG
+ xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Clock %d: n %d dn %d div %d sc %d\n",
+ clock, vclk[Midx], vclk[Nidx], vclk[VLDidx], vclk[Pidx]);
+#endif
+ }
+}
+
+#endif
+
+/* ================ XFREE86/X.ORG ================= */
+
+/* Helper functions */
+
+#ifdef LINUX_XF86
+
+USHORT
+SiS_CheckBuildCustomMode(ScrnInfoPtr pScrn, DisplayModePtr mode, int VBFlags)
+{
+ SISPtr pSiS = SISPTR(pScrn);
+ int depth = pSiS->CurrentLayout.bitsPerPixel;
+
+ pSiS->SiS_Pr->CModeFlag = 0;
+
+ pSiS->SiS_Pr->CDClock = mode->Clock;
+
+ pSiS->SiS_Pr->CHDisplay = mode->HDisplay;
+ pSiS->SiS_Pr->CHSyncStart = mode->HSyncStart;
+ pSiS->SiS_Pr->CHSyncEnd = mode->HSyncEnd;
+ pSiS->SiS_Pr->CHTotal = mode->HTotal;
+
+ pSiS->SiS_Pr->CVDisplay = mode->VDisplay;
+ pSiS->SiS_Pr->CVSyncStart = mode->VSyncStart;
+ pSiS->SiS_Pr->CVSyncEnd = mode->VSyncEnd;
+ pSiS->SiS_Pr->CVTotal = mode->VTotal;
+
+ pSiS->SiS_Pr->CFlags = mode->Flags;
+
+ if(pSiS->SiS_Pr->CFlags & V_INTERLACE) {
+ pSiS->SiS_Pr->CVDisplay >>= 1;
+ pSiS->SiS_Pr->CVSyncStart >>= 1;
+ pSiS->SiS_Pr->CVSyncEnd >>= 1;
+ pSiS->SiS_Pr->CVTotal >>= 1;
+ }
+ if(pSiS->SiS_Pr->CFlags & V_DBLSCAN) {
+ /* pSiS->SiS_Pr->CDClock <<= 1; */
+ pSiS->SiS_Pr->CVDisplay <<= 1;
+ pSiS->SiS_Pr->CVSyncStart <<= 1;
+ pSiS->SiS_Pr->CVSyncEnd <<= 1;
+ pSiS->SiS_Pr->CVTotal <<= 1;
+ }
+
+ pSiS->SiS_Pr->CHBlankStart = pSiS->SiS_Pr->CHDisplay;
+ pSiS->SiS_Pr->CHBlankEnd = pSiS->SiS_Pr->CHTotal;
+ pSiS->SiS_Pr->CVBlankStart = pSiS->SiS_Pr->CVSyncStart - 1;
+ pSiS->SiS_Pr->CVBlankEnd = pSiS->SiS_Pr->CVTotal;
+
+ SiS_MakeClockRegs(pScrn, pSiS->SiS_Pr->CDClock, &pSiS->SiS_Pr->CSR2B, &pSiS->SiS_Pr->CSR2C);
+
+ pSiS->SiS_Pr->CSRClock = (pSiS->SiS_Pr->CDClock / 1000) + 1;
+
+ SiS_CalcCRRegisters(pSiS->SiS_Pr, depth);
+
+ switch(depth) {
+ case 8: pSiS->SiS_Pr->CModeFlag |= 0x223b; break;
+ case 16: pSiS->SiS_Pr->CModeFlag |= 0x227d; break;
+ case 32: pSiS->SiS_Pr->CModeFlag |= 0x22ff; break;
+ default: return 0;
+ }
+
+ if(pSiS->SiS_Pr->CFlags & V_DBLSCAN)
+ pSiS->SiS_Pr->CModeFlag |= DoubleScanMode;
+
+ if((pSiS->SiS_Pr->CVDisplay >= 1024) ||
+ (pSiS->SiS_Pr->CVTotal >= 1024) ||
+ (pSiS->SiS_Pr->CHDisplay >= 1024))
+ pSiS->SiS_Pr->CModeFlag |= LineCompareOff;
+
+ if(pSiS->SiS_Pr->CFlags & V_CLKDIV2)
+ pSiS->SiS_Pr->CModeFlag |= HalfDCLK;
+
+ pSiS->SiS_Pr->CInfoFlag = 0x0007;
+
+ if(pSiS->SiS_Pr->CFlags & V_NHSYNC)
+ pSiS->SiS_Pr->CInfoFlag |= 0x4000;
+
+ if(pSiS->SiS_Pr->CFlags & V_NVSYNC)
+ pSiS->SiS_Pr->CInfoFlag |= 0x8000;
+
+ if(pSiS->SiS_Pr->CFlags & V_INTERLACE)
+ pSiS->SiS_Pr->CInfoFlag |= InterlaceMode;
+
+ pSiS->SiS_Pr->UseCustomMode = TRUE;
+#ifdef TWDEBUG
+ xf86DrvMsg(0, X_INFO, "Custom mode %dx%d:\n",
+ pSiS->SiS_Pr->CHDisplay,pSiS->SiS_Pr->CVDisplay);
+ xf86DrvMsg(0, X_INFO, "Modeflag %04x, Infoflag %04x\n",
+ pSiS->SiS_Pr->CModeFlag, pSiS->SiS_Pr->CInfoFlag);
+ xf86DrvMsg(0, X_INFO, " {{0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,0x%02x,\n",
+ pSiS->SiS_Pr->CCRT1CRTC[0], pSiS->SiS_Pr->CCRT1CRTC[1],
+ pSiS->SiS_Pr->CCRT1CRTC[2], pSiS->SiS_Pr->CCRT1CRTC[3],
+ pSiS->SiS_Pr->CCRT1CRTC[4], pSiS->SiS_Pr->CCRT1CRTC[5],
+ pSiS->SiS_Pr->CCRT1CRTC[6], pSiS->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",
+ pSiS->SiS_Pr->CCRT1CRTC[8], pSiS->SiS_Pr->CCRT1CRTC[9],
+ pSiS->SiS_Pr->CCRT1CRTC[10], pSiS->SiS_Pr->CCRT1CRTC[11],
+ pSiS->SiS_Pr->CCRT1CRTC[12], pSiS->SiS_Pr->CCRT1CRTC[13],
+ pSiS->SiS_Pr->CCRT1CRTC[14], pSiS->SiS_Pr->CCRT1CRTC[15]);
+ xf86DrvMsg(0, X_INFO, " 0x%02x}},\n", pSiS->SiS_Pr->CCRT1CRTC[16]);
+ xf86DrvMsg(0, X_INFO, "Clock: 0x%02x, 0x%02x, %d\n",
+ pSiS->SiS_Pr->CSR2B, pSiS->SiS_Pr->CSR2C, pSiS->SiS_Pr->CSRClock);
+#endif
+ return 1;
+}
+
+int
+SiS_FindPanelFromDB(SISPtr pSiS, USHORT panelvendor, USHORT panelproduct, int *maxx, int *maxy, int *prefx, int *prefy)
+{
+ int i, j;
+ BOOLEAN done = FALSE;
+
+ i = 0;
+ while((!done) && (SiS_PlasmaTable[i].vendor) && panelvendor) {
+ if(SiS_PlasmaTable[i].vendor == panelvendor) {
+ for(j=0; j<SiS_PlasmaTable[i].productnum; j++) {
+ if(SiS_PlasmaTable[i].product[j] == panelproduct) {
+ if(SiS_PlasmaTable[i].maxx && SiS_PlasmaTable[i].maxy) {
+ (*maxx) = (int)SiS_PlasmaTable[i].maxx;
+ (*maxy) = (int)SiS_PlasmaTable[i].maxy;
+ (*prefx) = (int)SiS_PlasmaTable[i].prefx;
+ (*prefy) = (int)SiS_PlasmaTable[i].prefy;
+ done = TRUE;
+ xf86DrvMsg(pSiS->pScrn->scrnIndex, X_PROBED,
+ "Identified %s, correcting max X res %d, max Y res %d\n",
+ SiS_PlasmaTable[i].plasmaname,
+ SiS_PlasmaTable[i].maxx, SiS_PlasmaTable[i].maxy);
+ break;
+ }
+ }
+ }
+ }
+ i++;
+ }
+ return (done) ? 1 : 0;
+}
+
+/* Build a list of supported modes:
+ * Built-in modes for which we have all data are M_T_DEFAULT,
+ * modes derived from DDC or database data are M_T_BUILTIN
+ */
+DisplayModePtr
+SiSBuildBuiltInModeList(ScrnInfoPtr pScrn, BOOLEAN includelcdmodes, BOOLEAN isfordvi)
+{
+ SISPtr pSiS = SISPTR(pScrn);
+ unsigned short VRE, VBE, VRS, VBS, VDE, VT;
+ unsigned short HRE, HBE, HRS, HBS, HDE, HT;
+ unsigned char sr_data, cr_data, cr_data2, cr_data3;
+ unsigned char sr2b, sr2c;
+ float num, denum, postscalar, divider;
+ int A, B, C, D, E, F, temp, i, j, k, l, index, vclkindex;
+ DisplayModePtr new = NULL, current = NULL, first = NULL;
+ BOOLEAN done = FALSE;
+#if 0
+ DisplayModePtr backup = NULL;
+#endif
+
+ pSiS->backupmodelist = NULL;
+ pSiS->AddedPlasmaModes = FALSE;
+
+ /* Initialize our pointers */
+ if(pSiS->VGAEngine == SIS_300_VGA) {
+#ifdef SIS300
+ InitTo300Pointer(pSiS->SiS_Pr, &pSiS->sishw_ext);
+#else
+ return NULL;
+#endif
+ } else if(pSiS->VGAEngine == SIS_315_VGA) {
+#ifdef SIS315H
+ InitTo310Pointer(pSiS->SiS_Pr, &pSiS->sishw_ext);
+#else
+ return NULL;
+#endif
+ } else return NULL;
+
+ i = 0;
+ while(pSiS->SiS_Pr->SiS_RefIndex[i].Ext_InfoFlag != 0xFFFF) {
+
+ index = pSiS->SiS_Pr->SiS_RefIndex[i].Ext_CRT1CRTC;
+
+ /* 0x5a (320x240) is a pure FTSN mode, not DSTN! */
+ if((!pSiS->FSTN) &&
+ (pSiS->SiS_Pr->SiS_RefIndex[i].ModeID == 0x5a)) {
+ i++;
+ continue;
+ }
+ if((pSiS->FSTN) &&
+ (pSiS->SiS_Pr->SiS_RefIndex[i].XRes == 320) &&
+ (pSiS->SiS_Pr->SiS_RefIndex[i].YRes == 240) &&
+ (pSiS->SiS_Pr->SiS_RefIndex[i].ModeID != 0x5a)) {
+ i++;
+ continue;
+ }
+
+ if(!(new = xalloc(sizeof(DisplayModeRec)))) return first;
+ memset(new, 0, sizeof(DisplayModeRec));
+ if(!(new->name = xalloc(10))) {
+ xfree(new);
+ return first;
+ }
+ if(!first) first = new;
+ if(current) {
+ current->next = new;
+ new->prev = current;
+ }
+
+ current = new;
+
+ sprintf(current->name, "%dx%d", pSiS->SiS_Pr->SiS_RefIndex[i].XRes,
+ pSiS->SiS_Pr->SiS_RefIndex[i].YRes);
+
+ current->status = MODE_OK;
+
+ current->type = M_T_DEFAULT;
+
+ vclkindex = pSiS->SiS_Pr->SiS_RefIndex[i].Ext_CRTVCLK;
+ if(pSiS->VGAEngine == SIS_300_VGA) vclkindex &= 0x3F;
+
+ sr2b = pSiS->SiS_Pr->SiS_VCLKData[vclkindex].SR2B;
+ sr2c = pSiS->SiS_Pr->SiS_VCLKData[vclkindex].SR2C;
+
+ divider = (sr2b & 0x80) ? 2.0 : 1.0;
+ postscalar = (sr2c & 0x80) ?
+ ( (((sr2c >> 5) & 0x03) == 0x02) ? 6.0 : 8.0) : (((sr2c >> 5) & 0x03) + 1.0);
+ num = (sr2b & 0x7f) + 1.0;
+ denum = (sr2c & 0x1f) + 1.0;
+
+#ifdef TWDEBUG
+ xf86DrvMsg(0, X_INFO, "------------\n");
+ xf86DrvMsg(0, X_INFO, "sr2b: %x sr2c %x div %f ps %f num %f denum %f\n",
+ sr2b, sr2c, divider, postscalar, num, denum);
+#endif
+
+ current->Clock = (int)(14318 * (divider / postscalar) * (num / denum));
+
+ sr_data = pSiS->SiS_Pr->SiS_CRT1Table[index].CR[14];
+ /* inSISIDXREG(SISSR, 0x0b, sr_data); */
+
+ cr_data = pSiS->SiS_Pr->SiS_CRT1Table[index].CR[0];
+ /* inSISIDXREG(SISCR, 0x00, cr_data); */
+
+ /* Horizontal total */
+ HT = (cr_data & 0xff) |
+ ((unsigned short) (sr_data & 0x03) << 8);
+ A = HT + 5;
+
+ cr_data = pSiS->SiS_Pr->SiS_CRT1Table[index].CR[1];
+ /* inSISIDXREG(SISCR, 0x01, cr_data); */
+
+ /* Horizontal display enable end */
+ HDE = (cr_data & 0xff) |
+ ((unsigned short) (sr_data & 0x0C) << 6);
+ E = HDE + 1; /* 0x80 0x64 */
+
+ cr_data = pSiS->SiS_Pr->SiS_CRT1Table[index].CR[4];
+ /* inSISIDXREG(SISCR, 0x04, cr_data); */
+
+ /* Horizontal retrace (=sync) start */
+ HRS = (cr_data & 0xff) |
+ ((unsigned short) (sr_data & 0xC0) << 2);
+ F = HRS - E - 3; /* 0x06 0x06 */
+
+ cr_data = pSiS->SiS_Pr->SiS_CRT1Table[index].CR[2];
+ /* inSISIDXREG(SISCR, 0x02, cr_data); */
+
+ /* Horizontal blank start */
+ HBS = (cr_data & 0xff) |
+ ((unsigned short) (sr_data & 0x30) << 4);
+
+ sr_data = pSiS->SiS_Pr->SiS_CRT1Table[index].CR[15];
+ /* inSISIDXREG(SISSR, 0x0c, sr_data); */
+
+ cr_data = pSiS->SiS_Pr->SiS_CRT1Table[index].CR[3];
+ /* inSISIDXREG(SISCR, 0x03, cr_data); */
+
+ cr_data2 = pSiS->SiS_Pr->SiS_CRT1Table[index].CR[5];
+ /* inSISIDXREG(SISCR, 0x05, cr_data2); */
+
+ /* Horizontal blank end */
+ HBE = (cr_data & 0x1f) |
+ ((unsigned short) (cr_data2 & 0x80) >> 2) |
+ ((unsigned short) (sr_data & 0x03) << 6);
+
+ /* Horizontal retrace (=sync) end */
+ HRE = (cr_data2 & 0x1f) | ((sr_data & 0x04) << 3);
+
+ temp = HBE - ((E - 1) & 255);
+ B = (temp > 0) ? temp : (temp + 256);
+
+ temp = HRE - ((E + F + 3) & 63);
+ C = (temp > 0) ? temp : (temp + 64); /* 0x0b 0x0b */
+
+ D = B - F - C;
+
+ if((pSiS->SiS_Pr->SiS_RefIndex[i].XRes == 320) &&
+ ((pSiS->SiS_Pr->SiS_RefIndex[i].YRes == 200) ||
+ (pSiS->SiS_Pr->SiS_RefIndex[i].YRes == 240))) {
+
+ /* Terrible hack, but correct CRTC data for
+ * these modes only produces a black screen...
+ * (HRE is 0, leading into a too large C and
+ * a negative D. The CRT controller does not
+ * seem to like correcting HRE to 50
+ */
+ current->HDisplay = 320;
+ current->HSyncStart = 328;
+ current->HSyncEnd = 376;
+ current->HTotal = 400;
+
+ } else {
+
+ current->HDisplay = (E * 8);
+ current->HSyncStart = (E * 8) + (F * 8);
+ current->HSyncEnd = (E * 8) + (F * 8) + (C * 8);
+ current->HTotal = (E * 8) + (F * 8) + (C * 8) + (D * 8);
+
+ }
+
+#ifdef TWDEBUG
+ xf86DrvMsg(0, X_INFO,
+ "H: A %d B %d C %d D %d E %d F %d HT %d HDE %d HRS %d HBS %d HBE %d HRE %d\n",
+ A, B, C, D, E, F, HT, HDE, HRS, HBS, HBE, HRE);
+#endif
+
+ sr_data = pSiS->SiS_Pr->SiS_CRT1Table[index].CR[13];
+ /* inSISIDXREG(SISSR, 0x0A, sr_data); */
+
+ cr_data = pSiS->SiS_Pr->SiS_CRT1Table[index].CR[6];
+ /* inSISIDXREG(SISCR, 0x06, cr_data); */
+
+ cr_data2 = pSiS->SiS_Pr->SiS_CRT1Table[index].CR[7];
+ /* inSISIDXREG(SISCR, 0x07, cr_data2); */
+
+ /* Vertical total */
+ VT = (cr_data & 0xFF) |
+ ((unsigned short) (cr_data2 & 0x01) << 8) |
+ ((unsigned short)(cr_data2 & 0x20) << 4) |
+ ((unsigned short) (sr_data & 0x01) << 10);
+ A = VT + 2;
+
+ cr_data = pSiS->SiS_Pr->SiS_CRT1Table[index].CR[10];
+ /* inSISIDXREG(SISCR, 0x12, cr_data); */
+
+ /* Vertical display enable end */
+ VDE = (cr_data & 0xff) |
+ ((unsigned short) (cr_data2 & 0x02) << 7) |
+ ((unsigned short) (cr_data2 & 0x40) << 3) |
+ ((unsigned short) (sr_data & 0x02) << 9);
+ E = VDE + 1;
+
+ cr_data = pSiS->SiS_Pr->SiS_CRT1Table[index].CR[8];
+ /* inSISIDXREG(SISCR, 0x10, cr_data); */
+
+ /* Vertical retrace (=sync) start */
+ VRS = (cr_data & 0xff) |
+ ((unsigned short) (cr_data2 & 0x04) << 6) |
+ ((unsigned short) (cr_data2 & 0x80) << 2) |
+ ((unsigned short) (sr_data & 0x08) << 7);
+ F = VRS + 1 - E;
+
+ cr_data = pSiS->SiS_Pr->SiS_CRT1Table[index].CR[11];
+ /* inSISIDXREG(SISCR, 0x15, cr_data); */
+
+ cr_data3 = (pSiS->SiS_Pr->SiS_CRT1Table[index].CR[16] & 0x01) << 5;
+ /* inSISIDXREG(SISCR, 0x09, cr_data3); */
+
+ /* Vertical blank start */
+ VBS = (cr_data & 0xff) |
+ ((unsigned short) (cr_data2 & 0x08) << 5) |
+ ((unsigned short) (cr_data3 & 0x20) << 4) |
+ ((unsigned short) (sr_data & 0x04) << 8);
+
+ cr_data = pSiS->SiS_Pr->SiS_CRT1Table[index].CR[12];
+ /* inSISIDXREG(SISCR, 0x16, cr_data); */
+
+ /* Vertical blank end */
+ VBE = (cr_data & 0xff) |
+ ((unsigned short) (sr_data & 0x10) << 4);
+ temp = VBE - ((E - 1) & 511);
+ B = (temp > 0) ? temp : (temp + 512);
+
+ cr_data = pSiS->SiS_Pr->SiS_CRT1Table[index].CR[9];
+ /* inSISIDXREG(SISCR, 0x11, cr_data); */
+
+ /* Vertical retrace (=sync) end */
+ VRE = (cr_data & 0x0f) | ((sr_data & 0x20) >> 1);
+ temp = VRE - ((E + F - 1) & 31);
+ C = (temp > 0) ? temp : (temp + 32);
+
+ D = B - F - C;
+
+ current->VDisplay = VDE + 1;
+ current->VSyncStart = VRS + 1;
+ current->VSyncEnd = ((VRS & ~0x1f) | VRE) + 1;
+ if(VRE <= (VRS & 0x1f)) current->VSyncEnd += 32;
+ current->VTotal = E + D + C + F;
+
+#if 0
+ current->VDisplay = E;
+ current->VSyncStart = E + D;
+ current->VSyncEnd = E + D + C;
+ current->VTotal = E + D + C + F;
+#endif
+
+#ifdef TWDEBUG
+ xf86DrvMsg(0, X_INFO,
+ "V: A %d B %d C %d D %d E %d F %d VT %d VDE %d VRS %d VBS %d VBE %d VRE %d\n",
+ A, B, C, D, E, F, VT, VDE, VRS, VBS, VBE, VRE);
+#endif
+
+ if(pSiS->SiS_Pr->SiS_RefIndex[i].Ext_InfoFlag & 0x4000)
+ current->Flags |= V_NHSYNC;
+ else
+ current->Flags |= V_PHSYNC;
+
+ if(pSiS->SiS_Pr->SiS_RefIndex[i].Ext_InfoFlag & 0x8000)
+ current->Flags |= V_NVSYNC;
+ else
+ current->Flags |= V_PVSYNC;
+
+ if(pSiS->SiS_Pr->SiS_RefIndex[i].Ext_InfoFlag & 0x0080)
+ current->Flags |= V_INTERLACE;
+
+ j = 0;
+ while(pSiS->SiS_Pr->SiS_EModeIDTable[j].Ext_ModeID != 0xff) {
+ if(pSiS->SiS_Pr->SiS_EModeIDTable[j].Ext_ModeID ==
+ pSiS->SiS_Pr->SiS_RefIndex[i].ModeID) {
+ if(pSiS->SiS_Pr->SiS_EModeIDTable[j].Ext_ModeFlag & DoubleScanMode) {
+ current->Flags |= V_DBLSCAN;
+ }
+ break;
+ }
+ j++;
+ }
+
+ if(current->Flags & V_INTERLACE) {
+ current->VDisplay <<= 1;
+ current->VSyncStart <<= 1;
+ current->VSyncEnd <<= 1;
+ current->VTotal <<= 1;
+ current->VTotal |= 1;
+ }
+ if(current->Flags & V_DBLSCAN) {
+ current->Clock >>= 1;
+ current->VDisplay >>= 1;
+ current->VSyncStart >>= 1;
+ current->VSyncEnd >>= 1;
+ current->VTotal >>= 1;
+ }
+
+#ifdef TWDEBUG
+ xf86DrvMsg(pScrn->scrnIndex, X_INFO,
+ "Built-in: %s %.2f %d %d %d %d %d %d %d %d\n",
+ current->name, (float)current->Clock / 1000,
+ current->HDisplay, current->HSyncStart, current->HSyncEnd, current->HTotal,
+ current->VDisplay, current->VSyncStart, current->VSyncEnd, current->VTotal);
+#else
+ (void)VBS; (void)HBS; (void)A;
+#endif
+
+ i++;
+ }
+
+ /* Add non-standard LCD modes for panel's detailed timings */
+
+ if(!includelcdmodes) return first;
+
+ if(pSiS->SiS_Pr->CP_Vendor) {
+ xf86DrvMsg(0, X_INFO, "Checking database for vendor %x, product %x\n",
+ pSiS->SiS_Pr->CP_Vendor, pSiS->SiS_Pr->CP_Product);
+ }
+
+ i = 0;
+ while((!done) && (SiS_PlasmaTable[i].vendor) && (pSiS->SiS_Pr->CP_Vendor)) {
+
+ if(SiS_PlasmaTable[i].vendor == pSiS->SiS_Pr->CP_Vendor) {
+
+ for(j=0; j<SiS_PlasmaTable[i].productnum; j++) {
+
+ if(SiS_PlasmaTable[i].product[j] == pSiS->SiS_Pr->CP_Product) {
+
+ xf86DrvMsg(pScrn->scrnIndex, X_PROBED,
+ "Identified %s panel, adding specific modes\n",
+ SiS_PlasmaTable[i].plasmaname);
+
+ for(k=0; k<SiS_PlasmaTable[i].modenum; k++) {
+
+ if(isfordvi) {
+ if(!(SiS_PlasmaTable[i].plasmamodes[k] & 0x80)) continue;
+ } else {
+ if(!(SiS_PlasmaTable[i].plasmamodes[k] & 0x40)) continue;
+ }
+
+ l = SiS_PlasmaTable[i].plasmamodes[k] & 0x3f;
+
+ if(pSiS->VBFlags & (VB_301|VB_301B|VB_302B|VB_301LV)) {
+ if(isfordvi) {
+ if(SiS_PlasmaMode[l].VDisplay > 1024) continue;
+ }
+ }
+
+ if(!(new = xalloc(sizeof(DisplayModeRec)))) return first;
+
+ memset(new, 0, sizeof(DisplayModeRec));
+ if(!(new->name = xalloc(12))) {
+ xfree(new);
+ return first;
+ }
+ if(!first) first = new;
+ if(current) {
+ current->next = new;
+ new->prev = current;
+ }
+
+ current = new;
+
+ pSiS->AddedPlasmaModes = TRUE;
+
+ strcpy(current->name, SiS_PlasmaMode[l].name);
+ /* sprintf(current->name, "%dx%d", SiS_PlasmaMode[l].HDisplay,
+ SiS_PlasmaMode[l].VDisplay); */
+
+ current->status = MODE_OK;
+
+ current->type = M_T_BUILTIN;
+
+ current->Clock = SiS_PlasmaMode[l].clock;
+ current->SynthClock = current->Clock;
+
+ current->HDisplay = SiS_PlasmaMode[l].HDisplay;
+ current->HSyncStart = current->HDisplay + SiS_PlasmaMode[l].HFrontPorch;
+ current->HSyncEnd = current->HSyncStart + SiS_PlasmaMode[l].HSyncWidth;
+ current->HTotal = SiS_PlasmaMode[l].HTotal;
+
+ current->VDisplay = SiS_PlasmaMode[l].VDisplay;
+ current->VSyncStart = current->VDisplay + SiS_PlasmaMode[l].VFrontPorch;
+ current->VSyncEnd = current->VSyncStart + SiS_PlasmaMode[l].VSyncWidth;
+ current->VTotal = SiS_PlasmaMode[l].VTotal;
+
+ current->CrtcHDisplay = current->HDisplay;
+ current->CrtcHBlankStart = current->HSyncStart;
+ current->CrtcHSyncStart = current->HSyncStart;
+ current->CrtcHSyncEnd = current->HSyncEnd;
+ current->CrtcHBlankEnd = current->HSyncEnd;
+ current->CrtcHTotal = current->HTotal;
+
+ current->CrtcVDisplay = current->VDisplay;
+ current->CrtcVBlankStart = current->VSyncStart;
+ current->CrtcVSyncStart = current->VSyncStart;
+ current->CrtcVSyncEnd = current->VSyncEnd;
+ current->CrtcVBlankEnd = current->VSyncEnd;
+ current->CrtcVTotal = current->VTotal;
+
+ if(SiS_PlasmaMode[l].SyncFlags & SIS_PL_HSYNCP)
+ current->Flags |= V_PHSYNC;
+ else
+ current->Flags |= V_NHSYNC;
+
+ if(SiS_PlasmaMode[l].SyncFlags & SIS_PL_VSYNCP)
+ current->Flags |= V_PVSYNC;
+ else
+ current->Flags |= V_NVSYNC;
+
+ if(current->HDisplay > pSiS->LCDwidth)
+ pSiS->LCDwidth = pSiS->SiS_Pr->CP_MaxX = current->HDisplay;
+ if(current->VDisplay > pSiS->LCDheight)
+ pSiS->LCDheight = pSiS->SiS_Pr->CP_MaxY = current->VDisplay;
+
+ xf86DrvMsg(pScrn->scrnIndex, X_PROBED,
+ "\tAdding \"%s\" to list of built-in modes\n", current->name);
+
+ }
+ done = TRUE;
+ break;
+ }
+ }
+ }
+
+ i++;
+
+ }
+
+ if(pSiS->SiS_Pr->CP_HaveCustomData) {
+
+ for(i=0; i<7; i++) {
+
+ if(pSiS->SiS_Pr->CP_DataValid[i]) {
+
+ if(!(new = xalloc(sizeof(DisplayModeRec)))) return first;
+
+ memset(new, 0, sizeof(DisplayModeRec));
+ if(!(new->name = xalloc(10))) {
+ xfree(new);
+ return first;
+ }
+ if(!first) first = new;
+ if(current) {
+ current->next = new;
+ new->prev = current;
+ }
+
+ current = new;
+
+ sprintf(current->name, "%dx%d", pSiS->SiS_Pr->CP_HDisplay[i],
+ pSiS->SiS_Pr->CP_VDisplay[i]);
+
+ current->status = MODE_OK;
+
+ current->type = M_T_BUILTIN;
+
+ current->Clock = pSiS->SiS_Pr->CP_Clock[i];
+ current->SynthClock = current->Clock;
+
+ current->HDisplay = pSiS->SiS_Pr->CP_HDisplay[i];
+ current->HSyncStart = pSiS->SiS_Pr->CP_HSyncStart[i];
+ current->HSyncEnd = pSiS->SiS_Pr->CP_HSyncEnd[i];
+ current->HTotal = pSiS->SiS_Pr->CP_HTotal[i];
+
+ current->VDisplay = pSiS->SiS_Pr->CP_VDisplay[i];
+ current->VSyncStart = pSiS->SiS_Pr->CP_VSyncStart[i];
+ current->VSyncEnd = pSiS->SiS_Pr->CP_VSyncEnd[i];
+ current->VTotal = pSiS->SiS_Pr->CP_VTotal[i];
+
+ current->CrtcHDisplay = current->HDisplay;
+ current->CrtcHBlankStart = pSiS->SiS_Pr->CP_HBlankStart[i];
+ current->CrtcHSyncStart = current->HSyncStart;
+ current->CrtcHSyncEnd = current->HSyncEnd;
+ current->CrtcHBlankEnd = pSiS->SiS_Pr->CP_HBlankEnd[i];
+ current->CrtcHTotal = current->HTotal;
+
+ current->CrtcVDisplay = current->VDisplay;
+ current->CrtcVBlankStart = pSiS->SiS_Pr->CP_VBlankStart[i];
+ current->CrtcVSyncStart = current->VSyncStart;
+ current->CrtcVSyncEnd = current->VSyncEnd;
+ current->CrtcVBlankEnd = pSiS->SiS_Pr->CP_VBlankEnd[i];
+ current->CrtcVTotal = current->VTotal;
+
+ if(pSiS->SiS_Pr->CP_SyncValid[i]) {
+ if(pSiS->SiS_Pr->CP_HSync_P[i])
+ current->Flags |= V_PHSYNC;
+ else
+ current->Flags |= V_NHSYNC;
+
+ if(pSiS->SiS_Pr->CP_VSync_P[i])
+ current->Flags |= V_PVSYNC;
+ else
+ current->Flags |= V_NVSYNC;
+ } else {
+ /* No sync data? Use positive sync... */
+ current->Flags |= V_PHSYNC;
+ current->Flags |= V_PVSYNC;
+ }
+ }
+ }
+ }
+
+ return first;
+
+}
+
+/* Translate a mode number into the VESA pendant */
+int
+SiSTranslateToVESA(ScrnInfoPtr pScrn, int modenumber)
+{
+ SISPtr pSiS = SISPTR(pScrn);
+ int i = 0;
+
+ /* Initialize our pointers */
+ if(pSiS->VGAEngine == SIS_300_VGA) {
+#ifdef SIS300
+ InitTo300Pointer(pSiS->SiS_Pr, &pSiS->sishw_ext);
+#else
+ return -1;
+#endif
+ } else if(pSiS->VGAEngine == SIS_315_VGA) {
+#ifdef SIS315H
+ InitTo310Pointer(pSiS->SiS_Pr, &pSiS->sishw_ext);
+#else
+ return -1;
+#endif
+ } else return -1;
+
+ if(modenumber <= 0x13) return modenumber;
+
+#ifdef SIS315H
+ if(pSiS->ROM661New) {
+ while(SiS_EModeIDTable661[i].Ext_ModeID != 0xff) {
+ if(SiS_EModeIDTable661[i].Ext_ModeID == modenumber) {
+ return (int)SiS_EModeIDTable661[i].Ext_VESAID;
+ }
+ i++;
+ }
+ } else {
+#endif
+ while(pSiS->SiS_Pr->SiS_EModeIDTable[i].Ext_ModeID != 0xff) {
+ if(pSiS->SiS_Pr->SiS_EModeIDTable[i].Ext_ModeID == modenumber) {
+ return (int)pSiS->SiS_Pr->SiS_EModeIDTable[i].Ext_VESAID;
+ }
+ i++;
+ }
+#ifdef SIS315H
+ }
+#endif
+ return -1;
+}
+
+/* Translate a new BIOS mode number into the driver's pendant */
+int
+SiSTranslateToOldMode(int modenumber)
+{
+#ifdef SIS315H
+ int i = 0;
+
+ while(SiS_EModeIDTable661[i].Ext_ModeID != 0xff) {
+ if(SiS_EModeIDTable661[i].Ext_ModeID == modenumber) {
+ if(SiS_EModeIDTable661[i].Ext_MyModeID)
+ return (int)SiS_EModeIDTable661[i].Ext_MyModeID;
+ else
+ return modenumber;
+ }
+ i++;
+ }
+#endif
+ return modenumber;
+}
+
+#endif /* Xfree86 */
+
+#ifdef LINUX_KERNEL
+int
+sisfb_mode_rate_to_dclock(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
+ unsigned char modeno, unsigned char rateindex)
+{
+ USHORT ModeNo = modeno;
+ USHORT ModeIdIndex = 0, ClockIndex = 0;
+ USHORT RefreshRateTableIndex = 0;
+ int Clock;
+
+ if(HwInfo->jChipType < SIS_315H) {
+#ifdef SIS300
+ InitTo300Pointer(SiS_Pr, HwInfo);
+#else
+ return 65 * 1000;
+#endif
+ } else {
+#ifdef SIS315H
+ InitTo310Pointer(SiS_Pr, HwInfo);
+#else
+ return 65 * 1000;
+#endif
+ }
+
+ if(!(SiS_SearchModeID(SiS_Pr, &ModeNo, &ModeIdIndex))) {;
+ printk(KERN_ERR "Could not find mode %x\n", ModeNo);
+ return 65 * 1000;
+ }
+
+ RefreshRateTableIndex = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].REFindex;
+ RefreshRateTableIndex += (rateindex - 1);
+ ClockIndex = SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_CRTVCLK;
+ if(HwInfo->jChipType < SIS_315H) {
+ ClockIndex &= 0x3F;
+ }
+ Clock = SiS_Pr->SiS_VCLKData[ClockIndex].CLOCK * 1000;
+
+ return(Clock);
+}
+
+BOOLEAN
+sisfb_gettotalfrommode(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
+ unsigned char modeno, int *htotal, int *vtotal, unsigned char rateindex)
+{
+ USHORT ModeNo = modeno;
+ USHORT ModeIdIndex = 0, CRT1Index = 0;
+ USHORT RefreshRateTableIndex = 0;
+ unsigned char sr_data, cr_data, cr_data2;
+
+ if(HwInfo->jChipType < SIS_315H) {
+#ifdef SIS300
+ InitTo300Pointer(SiS_Pr, HwInfo);
+#else
+ return FALSE;
+#endif
+ } else {
+#ifdef SIS315H
+ InitTo310Pointer(SiS_Pr, HwInfo);
+#else
+ return FALSE;
+#endif
+ }
+
+ if(!(SiS_SearchModeID(SiS_Pr, &ModeNo, &ModeIdIndex))) return FALSE;
+
+ RefreshRateTableIndex = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].REFindex;
+ RefreshRateTableIndex += (rateindex - 1);
+ CRT1Index = SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_CRT1CRTC;
+
+ sr_data = SiS_Pr->SiS_CRT1Table[CRT1Index].CR[14];
+ cr_data = SiS_Pr->SiS_CRT1Table[CRT1Index].CR[0];
+ *htotal = (((cr_data & 0xff) | ((unsigned short) (sr_data & 0x03) << 8)) + 5) * 8;
+
+ sr_data = SiS_Pr->SiS_CRT1Table[CRT1Index].CR[13];
+ cr_data = SiS_Pr->SiS_CRT1Table[CRT1Index].CR[6];
+ cr_data2 = SiS_Pr->SiS_CRT1Table[CRT1Index].CR[7];
+ *vtotal = ((cr_data & 0xFF) |
+ ((unsigned short)(cr_data2 & 0x01) << 8) |
+ ((unsigned short)(cr_data2 & 0x20) << 4) |
+ ((unsigned short)(sr_data & 0x01) << 10)) + 2;
+
+ if(SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_InfoFlag & InterlaceMode)
+ *vtotal *= 2;
+
+ return TRUE;
+}
+
+int
+sisfb_mode_rate_to_ddata(SiS_Private *SiS_Pr, PSIS_HW_INFO HwInfo,
+ unsigned char modeno, unsigned char rateindex,
+ struct fb_var_screeninfo *var)
+{
+ USHORT ModeNo = modeno;
+ USHORT ModeIdIndex = 0, index = 0;
+ USHORT RefreshRateTableIndex = 0;
+ unsigned short VRE, VBE, VRS, VBS, VDE, VT;
+ unsigned short HRE, HBE, HRS, HBS, HDE, HT;
+ unsigned char sr_data, cr_data, cr_data2, cr_data3;
+ int A, B, C, D, E, F, temp, j;
+
+ if(HwInfo->jChipType < SIS_315H) {
+#ifdef SIS300
+ InitTo300Pointer(SiS_Pr, HwInfo);
+#else
+ return 0;
+#endif
+ } else {
+#ifdef SIS315H
+ InitTo310Pointer(SiS_Pr, HwInfo);
+#else
+ return 0;
+#endif
+ }
+
+ if(!(SiS_SearchModeID(SiS_Pr, &ModeNo, &ModeIdIndex))) return 0;
+
+ RefreshRateTableIndex = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].REFindex;
+ RefreshRateTableIndex += (rateindex - 1);
+ index = SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_CRT1CRTC;
+
+ sr_data = SiS_Pr->SiS_CRT1Table[index].CR[14];
+
+ cr_data = SiS_Pr->SiS_CRT1Table[index].CR[0];
+
+ /* Horizontal total */
+ HT = (cr_data & 0xff) |
+ ((unsigned short) (sr_data & 0x03) << 8);
+ A = HT + 5;
+
+ cr_data = SiS_Pr->SiS_CRT1Table[index].CR[1];
+
+ /* Horizontal display enable end */
+ HDE = (cr_data & 0xff) |
+ ((unsigned short) (sr_data & 0x0C) << 6);
+ E = HDE + 1;
+
+ cr_data = SiS_Pr->SiS_CRT1Table[index].CR[4];
+
+ /* Horizontal retrace (=sync) start */
+ HRS = (cr_data & 0xff) |
+ ((unsigned short) (sr_data & 0xC0) << 2);
+ F = HRS - E - 3;
+
+ cr_data = SiS_Pr->SiS_CRT1Table[index].CR[2];
+
+ /* Horizontal blank start */
+ HBS = (cr_data & 0xff) |
+ ((unsigned short) (sr_data & 0x30) << 4);
+
+ sr_data = SiS_Pr->SiS_CRT1Table[index].CR[15];
+
+ cr_data = SiS_Pr->SiS_CRT1Table[index].CR[3];
+
+ cr_data2 = SiS_Pr->SiS_CRT1Table[index].CR[5];
+
+ /* Horizontal blank end */
+ HBE = (cr_data & 0x1f) |
+ ((unsigned short) (cr_data2 & 0x80) >> 2) |
+ ((unsigned short) (sr_data & 0x03) << 6);
+
+ /* Horizontal retrace (=sync) end */
+ HRE = (cr_data2 & 0x1f) | ((sr_data & 0x04) << 3);
+
+ temp = HBE - ((E - 1) & 255);
+ B = (temp > 0) ? temp : (temp + 256);
+
+ temp = HRE - ((E + F + 3) & 63);
+ C = (temp > 0) ? temp : (temp + 64);
+
+ D = B - F - C;
+
+ if((SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].XRes == 320) &&
+ ((SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].YRes == 200) ||
+ (SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].YRes == 240))) {
+
+ /* Terrible hack, but the correct CRTC data for
+ * these modes only produces a black screen...
+ */
+ var->left_margin = (400 - 376);
+ var->right_margin = (328 - 320);
+ var->hsync_len = (376 - 328);
+
+ } else {
+
+ var->left_margin = D * 8;
+ var->right_margin = F * 8;
+ var->hsync_len = C * 8;
+
+ }
+
+ sr_data = SiS_Pr->SiS_CRT1Table[index].CR[13];
+
+ cr_data = SiS_Pr->SiS_CRT1Table[index].CR[6];
+
+ cr_data2 = SiS_Pr->SiS_CRT1Table[index].CR[7];
+
+ /* Vertical total */
+ VT = (cr_data & 0xFF) |
+ ((unsigned short) (cr_data2 & 0x01) << 8) |
+ ((unsigned short)(cr_data2 & 0x20) << 4) |
+ ((unsigned short) (sr_data & 0x01) << 10);
+ A = VT + 2;
+
+ cr_data = SiS_Pr->SiS_CRT1Table[index].CR[10];
+
+ /* Vertical display enable end */
+ VDE = (cr_data & 0xff) |
+ ((unsigned short) (cr_data2 & 0x02) << 7) |
+ ((unsigned short) (cr_data2 & 0x40) << 3) |
+ ((unsigned short) (sr_data & 0x02) << 9);
+ E = VDE + 1;
+
+ cr_data = SiS_Pr->SiS_CRT1Table[index].CR[8];
+
+ /* Vertical retrace (=sync) start */
+ VRS = (cr_data & 0xff) |
+ ((unsigned short) (cr_data2 & 0x04) << 6) |
+ ((unsigned short) (cr_data2 & 0x80) << 2) |
+ ((unsigned short) (sr_data & 0x08) << 7);
+ F = VRS + 1 - E;
+
+ cr_data = SiS_Pr->SiS_CRT1Table[index].CR[11];
+
+ cr_data3 = (SiS_Pr->SiS_CRT1Table[index].CR[16] & 0x01) << 5;
+
+ /* Vertical blank start */
+ VBS = (cr_data & 0xff) |
+ ((unsigned short) (cr_data2 & 0x08) << 5) |
+ ((unsigned short) (cr_data3 & 0x20) << 4) |
+ ((unsigned short) (sr_data & 0x04) << 8);
+
+ cr_data = SiS_Pr->SiS_CRT1Table[index].CR[12];
+
+ /* Vertical blank end */
+ VBE = (cr_data & 0xff) |
+ ((unsigned short) (sr_data & 0x10) << 4);
+ temp = VBE - ((E - 1) & 511);
+ B = (temp > 0) ? temp : (temp + 512);
+
+ cr_data = SiS_Pr->SiS_CRT1Table[index].CR[9];
+
+ /* Vertical retrace (=sync) end */
+ VRE = (cr_data & 0x0f) | ((sr_data & 0x20) >> 1);
+ temp = VRE - ((E + F - 1) & 31);
+ C = (temp > 0) ? temp : (temp + 32);
+
+ D = B - F - C;
+
+ var->upper_margin = D;
+ var->lower_margin = F;
+ var->vsync_len = C;
+
+ if(SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x8000)
+ var->sync &= ~FB_SYNC_VERT_HIGH_ACT;
+ else
+ var->sync |= FB_SYNC_VERT_HIGH_ACT;
+
+ if(SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x4000)
+ var->sync &= ~FB_SYNC_HOR_HIGH_ACT;
+ else
+ var->sync |= FB_SYNC_HOR_HIGH_ACT;
+
+ var->vmode = FB_VMODE_NONINTERLACED;
+ if(SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x0080)
+ var->vmode = FB_VMODE_INTERLACED;
+ else {
+ j = 0;
+ while(SiS_Pr->SiS_EModeIDTable[j].Ext_ModeID != 0xff) {
+ if(SiS_Pr->SiS_EModeIDTable[j].Ext_ModeID ==
+ SiS_Pr->SiS_RefIndex[RefreshRateTableIndex].ModeID) {
+ if(SiS_Pr->SiS_EModeIDTable[j].Ext_ModeFlag & DoubleScanMode) {
+ var->vmode = FB_VMODE_DOUBLE;
+ }
+ break;
+ }
+ j++;
+ }
+ }
+
+ if((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
+#if 0 /* Do this? */
+ var->upper_margin <<= 1;
+ var->lower_margin <<= 1;
+ var->vsync_len <<= 1;
+#endif
+ } else if((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) {
+ var->upper_margin >>= 1;
+ var->lower_margin >>= 1;
+ var->vsync_len >>= 1;
+ }
+
+ return 1;
+}
+
+#endif
+
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.