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-rw-r--r--drivers/video/sis/init.c3654
1 files changed, 0 insertions, 3654 deletions
diff --git a/drivers/video/sis/init.c b/drivers/video/sis/init.c
deleted file mode 100644
index 4f26bc2..0000000
--- a/drivers/video/sis/init.c
+++ /dev/null
@@ -1,3654 +0,0 @@
-/* $XFree86$ */
-/* $XdotOrg$ */
-/*
- * Mode initializing code (CRT1 section) for
- * for SiS 300/305/540/630/730,
- * SiS 315/550/[M]650/651/[M]661[FGM]X/[M]74x[GX]/330/[M]76x[GX],
- * XGI Volari V3XT/V5/V8, Z7
- * (Universal module for Linux kernel framebuffer and X.org/XFree86 4.x)
- *
- * Copyright (C) 2001-2005 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.
- */
-
-#include "init.h"
-
-#ifdef CONFIG_FB_SIS_300
-#include "300vtbl.h"
-#endif
-
-#ifdef CONFIG_FB_SIS_315
-#include "310vtbl.h"
-#endif
-
-#if defined(ALLOC_PRAGMA)
-#pragma alloc_text(PAGE,SiSSetMode)
-#endif
-
-/*********************************************/
-/* POINTER INITIALIZATION */
-/*********************************************/
-
-#if defined(CONFIG_FB_SIS_300) || defined(CONFIG_FB_SIS_315)
-static void
-InitCommonPointer(struct SiS_Private *SiS_Pr)
-{
- SiS_Pr->SiS_SModeIDTable = SiS_SModeIDTable;
- SiS_Pr->SiS_StResInfo = SiS_StResInfo;
- SiS_Pr->SiS_ModeResInfo = SiS_ModeResInfo;
- SiS_Pr->SiS_StandTable = SiS_StandTable;
-
- 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_LCD1280x854Data = SiS_LCD1280x854Data;
- 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_LVDS320x240Data_1 = SiS_LVDS320x240Data_1;
- SiS_Pr->SiS_LVDS320x240Data_2 = SiS_LVDS320x240Data_2;
- SiS_Pr->SiS_LVDS640x480Data_1 = SiS_LVDS640x480Data_1;
- SiS_Pr->SiS_LVDS800x600Data_1 = SiS_LVDS800x600Data_1;
- SiS_Pr->SiS_LVDS1024x600Data_1 = SiS_LVDS1024x600Data_1;
- SiS_Pr->SiS_LVDS1024x768Data_1 = SiS_LVDS1024x768Data_1;
-
- SiS_Pr->SiS_LVDSCRT1320x240_1 = SiS_LVDSCRT1320x240_1;
- SiS_Pr->SiS_LVDSCRT1320x240_2 = SiS_LVDSCRT1320x240_2;
- SiS_Pr->SiS_LVDSCRT1320x240_2_H = SiS_LVDSCRT1320x240_2_H;
- SiS_Pr->SiS_LVDSCRT1320x240_3 = SiS_LVDSCRT1320x240_3;
- SiS_Pr->SiS_LVDSCRT1320x240_3_H = SiS_LVDSCRT1320x240_3_H;
- SiS_Pr->SiS_LVDSCRT1640x480_1 = SiS_LVDSCRT1640x480_1;
- SiS_Pr->SiS_LVDSCRT1640x480_1_H = SiS_LVDSCRT1640x480_1_H;
-#if 0
- SiS_Pr->SiS_LVDSCRT11024x600_1 = SiS_LVDSCRT11024x600_1;
- SiS_Pr->SiS_LVDSCRT11024x600_1_H = SiS_LVDSCRT11024x600_1_H;
- SiS_Pr->SiS_LVDSCRT11024x600_2 = SiS_LVDSCRT11024x600_2;
- SiS_Pr->SiS_LVDSCRT11024x600_2_H = SiS_LVDSCRT11024x600_2_H;
-#endif
-
- SiS_Pr->SiS_CHTVUNTSCData = SiS_CHTVUNTSCData;
- SiS_Pr->SiS_CHTVONTSCData = SiS_CHTVONTSCData;
-
- SiS_Pr->SiS_PanelMinLVDS = Panel_800x600; /* lowest value LVDS/LCDA */
- SiS_Pr->SiS_PanelMin301 = Panel_1024x768; /* lowest value 301 */
-}
-#endif
-
-#ifdef CONFIG_FB_SIS_300
-static void
-InitTo300Pointer(struct SiS_Private *SiS_Pr)
-{
- InitCommonPointer(SiS_Pr);
-
- 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(SiS_Pr->ChipType == 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 = (struct SiS_VBVCLKData *)SiS300_VCLKData;
-
- SiS_Pr->SiS_SR15 = SiS300_SR15;
-
- 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_1024x768_2 = SiS300_CRT2Part2_1024x768_2;
- SiS_Pr->SiS_CRT2Part2_1024x768_3 = SiS300_CRT2Part2_1024x768_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_LVDS848x480Data_1 = SiS300_LVDS848x480Data_1;
- SiS_Pr->SiS_LVDS848x480Data_2 = SiS300_LVDS848x480Data_2;
- SiS_Pr->SiS_LVDSBARCO1024Data_1 = SiS300_LVDSBARCO1024Data_1;
- SiS_Pr->SiS_LVDSBARCO1366Data_1 = SiS300_LVDSBARCO1366Data_1;
- SiS_Pr->SiS_LVDSBARCO1366Data_2 = SiS300_LVDSBARCO1366Data_2;
-
- SiS_Pr->SiS_PanelType04_1a = SiS300_PanelType04_1a;
- SiS_Pr->SiS_PanelType04_2a = SiS300_PanelType04_2a;
- SiS_Pr->SiS_PanelType04_1b = SiS300_PanelType04_1b;
- SiS_Pr->SiS_PanelType04_2b = SiS300_PanelType04_2b;
-
- 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 CONFIG_FB_SIS_315
-static void
-InitTo310Pointer(struct SiS_Private *SiS_Pr)
-{
- InitCommonPointer(SiS_Pr);
-
- SiS_Pr->SiS_EModeIDTable = SiS310_EModeIDTable;
- SiS_Pr->SiS_RefIndex = SiS310_RefIndex;
- SiS_Pr->SiS_CRT1Table = SiS310_CRT1Table;
- if(SiS_Pr->ChipType >= SIS_340) {
- SiS_Pr->SiS_MCLKData_0 = SiS310_MCLKData_0_340; /* 340 + XGI */
- } else if(SiS_Pr->ChipType >= SIS_761) {
- SiS_Pr->SiS_MCLKData_0 = SiS310_MCLKData_0_761; /* 761 - preliminary */
- } else if(SiS_Pr->ChipType >= SIS_760) {
- SiS_Pr->SiS_MCLKData_0 = SiS310_MCLKData_0_760; /* 760 */
- } else if(SiS_Pr->ChipType >= SIS_661) {
- SiS_Pr->SiS_MCLKData_0 = SiS310_MCLKData_0_660; /* 661/741 */
- } else if(SiS_Pr->ChipType == SIS_330) {
- SiS_Pr->SiS_MCLKData_0 = SiS310_MCLKData_0_330; /* 330 */
- } else if(SiS_Pr->ChipType > 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(SiS_Pr->ChipType >= 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;
-
- 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_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_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
-
-bool
-SiSInitPtr(struct SiS_Private *SiS_Pr)
-{
- if(SiS_Pr->ChipType < SIS_315H) {
-#ifdef CONFIG_FB_SIS_300
- InitTo300Pointer(SiS_Pr);
-#else
- return false;
-#endif
- } else {
-#ifdef CONFIG_FB_SIS_315
- InitTo310Pointer(SiS_Pr);
-#else
- return false;
-#endif
- }
- return true;
-}
-
-/*********************************************/
-/* HELPER: Get ModeID */
-/*********************************************/
-
-static
-unsigned short
-SiS_GetModeID(int VGAEngine, unsigned int VBFlags, int HDisplay, int VDisplay,
- int Depth, bool FSTN, int LCDwidth, int LCDheight)
-{
- unsigned short ModeIndex = 0;
-
- switch(HDisplay)
- {
- case 320:
- if(VDisplay == 200) ModeIndex = ModeIndex_320x200[Depth];
- else if(VDisplay == 240) {
- if((VBFlags & CRT2_LCD) && (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 854:
- if(VGAEngine == SIS_315_VGA) {
- ModeIndex = ModeIndex_1280x854[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;
-}
-
-unsigned short
-SiS_GetModeID_LCD(int VGAEngine, unsigned int VBFlags, int HDisplay, int VDisplay,
- int Depth, bool FSTN, unsigned short CustomT, int LCDwidth, int LCDheight,
- unsigned int VBFlags2)
-{
- unsigned short ModeIndex = 0;
-
- if(VBFlags2 & (VB2_LVDS | VB2_30xBDH)) {
-
- switch(HDisplay)
- {
- case 320:
- if((CustomT != CUT_PANEL848) && (CustomT != CUT_PANEL856)) {
- if(VDisplay == 200) {
- if(!FSTN) 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) && (CustomT != CUT_PANEL856)) {
- if(!((VGAEngine == SIS_300_VGA) && (VBFlags2 & VB2_TRUMPION))) {
- if(VDisplay == 300) ModeIndex = ModeIndex_400x300[Depth];
- }
- }
- break;
- case 512:
- if((CustomT != CUT_PANEL848) && (CustomT != CUT_PANEL856)) {
- if(!((VGAEngine == SIS_300_VGA) && (VBFlags2 & VB2_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) && (CustomT != CUT_PANEL856))
- 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 856:
- if(CustomT == CUT_PANEL856) {
- if(VDisplay == 480) ModeIndex = ModeIndex_856x480[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(VBFlags2 & VB2_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 854:
- if(VGAEngine == SIS_315_VGA) {
- ModeIndex = ModeIndex_1280x854[Depth];
- }
- break;
- case 960:
- ModeIndex = ModeIndex_1280x960[Depth];
- break;
- case 1024:
- ModeIndex = ModeIndex_1280x1024[Depth];
- break;
- }
- break;
- case 1360:
- if(VGAEngine == SIS_315_VGA) { /* OVER1280 only? */
- if(VDisplay == 768) ModeIndex = ModeIndex_1360x768[Depth];
- }
- break;
- case 1400:
- if(VGAEngine == SIS_315_VGA) {
- if(VBFlags2 & VB2_LCDOVER1280BRIDGE) {
- if(VDisplay == 1050) ModeIndex = ModeIndex_1400x1050[Depth];
- }
- }
- break;
- case 1600:
- if(VGAEngine == SIS_315_VGA) {
- if(VBFlags2 & VB2_LCDOVER1280BRIDGE) {
- if(VDisplay == 1200) ModeIndex = ModeIndex_1600x1200[Depth];
- }
- }
- break;
-#ifndef VB_FORBID_CRT2LCD_OVER_1600
- case 1680:
- if(VGAEngine == SIS_315_VGA) {
- if(VBFlags2 & VB2_LCDOVER1280BRIDGE) {
- if(VDisplay == 1050) ModeIndex = ModeIndex_1680x1050[Depth];
- }
- }
- break;
- case 1920:
- if(VGAEngine == SIS_315_VGA) {
- if(VBFlags2 & VB2_LCDOVER1600BRIDGE) {
- if(VDisplay == 1440) ModeIndex = ModeIndex_1920x1440[Depth];
- }
- }
- break;
- case 2048:
- if(VGAEngine == SIS_315_VGA) {
- if(VBFlags2 & VB2_LCDOVER1600BRIDGE) {
- if(VDisplay == 1536) ModeIndex = ModeIndex_310_2048x1536[Depth];
- }
- }
- break;
-#endif
- }
- }
-
- return ModeIndex;
-}
-
-unsigned short
-SiS_GetModeID_TV(int VGAEngine, unsigned int VBFlags, int HDisplay, int VDisplay, int Depth,
- unsigned int VBFlags2)
-{
- unsigned short ModeIndex = 0;
-
- if(VBFlags2 & VB2_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(VBFlags2 & VB2_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_YPBPR) && (VBFlags & TV_YPBPR750P))) {
- 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(VBFlags2 & VB2_30xBLV) {
- ModeIndex = ModeIndex_1024x768[Depth];
- }
- } else if(VDisplay == 576) {
- if( (VBFlags & TV_HIVISION) ||
- ((VBFlags & TV_YPBPR) && (VBFlags & TV_YPBPR1080I)) ||
- ((VBFlags2 & VB2_30xBLV) &&
- ((!(VBFlags & (TV_YPBPR | TV_PALM))) && (VBFlags & TV_PAL))) ) {
- 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;
-}
-
-unsigned short
-SiS_GetModeID_VGA2(int VGAEngine, unsigned int VBFlags, int HDisplay, int VDisplay, int Depth,
- unsigned int VBFlags2)
-{
- if(!(VBFlags2 & VB2_SISVGA2BRIDGE)) return 0;
-
- if(HDisplay >= 1920) return 0;
-
- switch(HDisplay)
- {
- case 1600:
- if(VDisplay == 1200) {
- if(VGAEngine != SIS_315_VGA) return 0;
- if(!(VBFlags2 & VB2_30xB)) return 0;
- }
- break;
- case 1680:
- if(VDisplay == 1050) {
- if(VGAEngine != SIS_315_VGA) return 0;
- if(!(VBFlags2 & VB2_30xB)) return 0;
- }
- break;
- }
-
- return SiS_GetModeID(VGAEngine, 0, HDisplay, VDisplay, Depth, false, 0, 0);
-}
-
-
-/*********************************************/
-/* HELPER: SetReg, GetReg */
-/*********************************************/
-
-void
-SiS_SetReg(SISIOADDRESS port, u8 index, u8 data)
-{
- outb(index, port);
- outb(data, port + 1);
-}
-
-void
-SiS_SetRegByte(SISIOADDRESS port, u8 data)
-{
- outb(data, port);
-}
-
-void
-SiS_SetRegShort(SISIOADDRESS port, u16 data)
-{
- outw(data, port);
-}
-
-void
-SiS_SetRegLong(SISIOADDRESS port, u32 data)
-{
- outl(data, port);
-}
-
-u8
-SiS_GetReg(SISIOADDRESS port, u8 index)
-{
- outb(index, port);
- return inb(port + 1);
-}
-
-u8
-SiS_GetRegByte(SISIOADDRESS port)
-{
- return inb(port);
-}
-
-u16
-SiS_GetRegShort(SISIOADDRESS port)
-{
- return inw(port);
-}
-
-u32
-SiS_GetRegLong(SISIOADDRESS port)
-{
- return inl(port);
-}
-
-void
-SiS_SetRegANDOR(SISIOADDRESS Port, u8 Index, u8 DataAND, u8 DataOR)
-{
- u8 temp;
-
- temp = SiS_GetReg(Port, Index);
- temp = (temp & (DataAND)) | DataOR;
- SiS_SetReg(Port, Index, temp);
-}
-
-void
-SiS_SetRegAND(SISIOADDRESS Port, u8 Index, u8 DataAND)
-{
- u8 temp;
-
- temp = SiS_GetReg(Port, Index);
- temp &= DataAND;
- SiS_SetReg(Port, Index, temp);
-}
-
-void
-SiS_SetRegOR(SISIOADDRESS Port, u8 Index, u8 DataOR)
-{
- u8 temp;
-
- temp = SiS_GetReg(Port, Index);
- temp |= DataOR;
- SiS_SetReg(Port, Index, temp);
-}
-
-/*********************************************/
-/* HELPER: DisplayOn, DisplayOff */
-/*********************************************/
-
-void
-SiS_DisplayOn(struct SiS_Private *SiS_Pr)
-{
- SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x01,0xDF);
-}
-
-void
-SiS_DisplayOff(struct SiS_Private *SiS_Pr)
-{
- SiS_SetRegOR(SiS_Pr->SiS_P3c4,0x01,0x20);
-}
-
-
-/*********************************************/
-/* HELPER: Init Port Addresses */
-/*********************************************/
-
-void
-SiSRegInit(struct 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_P3cc = BaseAddr + 0x1c;
- SiS_Pr->SiS_P3cd = BaseAddr + 0x1d;
- SiS_Pr->SiS_P3da = BaseAddr + 0x2a;
- SiS_Pr->SiS_Part1Port = BaseAddr + SIS_CRT2_PORT_04;
- SiS_Pr->SiS_Part2Port = BaseAddr + SIS_CRT2_PORT_10;
- SiS_Pr->SiS_Part3Port = BaseAddr + SIS_CRT2_PORT_12;
- SiS_Pr->SiS_Part4Port = BaseAddr + SIS_CRT2_PORT_14;
- SiS_Pr->SiS_Part5Port = BaseAddr + SIS_CRT2_PORT_14 + 2;
- SiS_Pr->SiS_DDC_Port = BaseAddr + 0x14;
- SiS_Pr->SiS_VidCapt = BaseAddr + SIS_VIDEO_CAPTURE;
- SiS_Pr->SiS_VidPlay = BaseAddr + SIS_VIDEO_PLAYBACK;
-}
-
-/*********************************************/
-/* HELPER: GetSysFlags */
-/*********************************************/
-
-static void
-SiS_GetSysFlags(struct SiS_Private *SiS_Pr)
-{
- 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(SiS_Pr->ChipType >= SIS_330) {
- SiS_Pr->SiS_MyCR63 = 0x53;
- if(SiS_Pr->ChipType >= SIS_661) {
- SiS_Pr->SiS_SensibleSR11 = true;
- }
- }
-
- /* You should use the macros, not these flags directly */
-
- SiS_Pr->SiS_SysFlags = 0;
- if(SiS_Pr->ChipType == 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(SiS_Pr->ChipType >= SIS_760 && SiS_Pr->ChipType <= SIS_761) {
- if(SiS_GetReg(SiS_Pr->SiS_P3d4,0x78) & 0x30) {
- SiS_Pr->SiS_SysFlags |= SF_760LFB;
- }
- if(SiS_GetReg(SiS_Pr->SiS_P3d4,0x79) & 0xf0) {
- SiS_Pr->SiS_SysFlags |= SF_760UMA;
- }
- }
-}
-
-/*********************************************/
-/* HELPER: Init PCI & Engines */
-/*********************************************/
-
-static void
-SiSInitPCIetc(struct SiS_Private *SiS_Pr)
-{
- switch(SiS_Pr->ChipType) {
-#ifdef CONFIG_FB_SIS_300
- case SIS_300:
- case SIS_540:
- case SIS_630:
- case SIS_730:
- /* Set - PCI LINEAR ADDRESSING ENABLE (0x80)
- * - RELOCATED VGA IO ENABLED (0x20)
- * - MMIO ENABLED (0x01)
- * Leave other bits untouched.
- */
- SiS_SetRegOR(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;
-#endif
-#ifdef CONFIG_FB_SIS_315
- 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:
- case XGI_40:
- /* See above */
- SiS_SetRegOR(SiS_Pr->SiS_P3c4,0x20,0xa1);
- /* - Enable 3D G/L transformation engine (0x80)
- * - Enable 2D (0x40)
- * - Enable 3D vertex command fetch (0x10)
- * - Enable 3D command parser (0x08)
- * - Enable 3D (0x02)
- */
- SiS_SetRegOR(SiS_Pr->SiS_P3c4,0x1E,0xDA);
- break;
- case XGI_20:
- case SIS_550:
- /* See above */
- SiS_SetRegOR(SiS_Pr->SiS_P3c4,0x20,0xa1);
- /* No 3D engine ! */
- /* - Enable 2D (0x40)
- * - disable 3D
- */
- SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x1E,0x60,0x40);
- break;
-#endif
- default:
- break;
- }
-}
-
-/*********************************************/
-/* HELPER: SetLVDSetc */
-/*********************************************/
-
-static
-void
-SiSSetLVDSetc(struct SiS_Private *SiS_Pr)
-{
- unsigned short 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_CONEX = 0;
-
- SiS_Pr->SiS_ChrontelInit = 0;
-
- if(SiS_Pr->ChipType == XGI_20) return;
-
- /* Check for SiS30x first */
- temp = SiS_GetReg(SiS_Pr->SiS_Part4Port,0x00);
- if((temp == 1) || (temp == 2)) return;
-
- switch(SiS_Pr->ChipType) {
-#ifdef CONFIG_FB_SIS_300
- case SIS_540:
- case SIS_630:
- case SIS_730:
- temp = (SiS_GetReg(SiS_Pr->SiS_P3d4,0x37) & 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 CONFIG_FB_SIS_315
- case SIS_550:
- case SIS_650:
- case SIS_740:
- case SIS_330:
- temp = (SiS_GetReg(SiS_Pr->SiS_P3d4,0x37) & 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:
- case XGI_20:
- case XGI_40:
- temp = (SiS_GetReg(SiS_Pr->SiS_P3d4,0x38) & 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(struct SiS_Private *SiS_Pr, int enable)
-{
- SiS_Pr->SiS_IF_DEF_DSTN = enable ? 1 : 0;
-}
-
-void
-SiS_SetEnableFstn(struct SiS_Private *SiS_Pr, int enable)
-{
- SiS_Pr->SiS_IF_DEF_FSTN = enable ? 1 : 0;
-}
-
-/*********************************************/
-/* HELPER: Get modeflag */
-/*********************************************/
-
-unsigned short
-SiS_GetModeFlag(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
- unsigned short ModeIdIndex)
-{
- if(SiS_Pr->UseCustomMode) {
- return SiS_Pr->CModeFlag;
- } else if(ModeNo <= 0x13) {
- return SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ModeFlag;
- } else {
- return SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag;
- }
-}
-
-/*********************************************/
-/* HELPER: Determine ROM usage */
-/*********************************************/
-
-bool
-SiSDetermineROMLayout661(struct SiS_Private *SiS_Pr)
-{
- unsigned char *ROMAddr = SiS_Pr->VirtualRomBase;
- unsigned short romversoffs, romvmaj = 1, romvmin = 0;
-
- if(SiS_Pr->ChipType >= XGI_20) {
- /* XGI ROMs don't qualify */
- return false;
- } else if(SiS_Pr->ChipType >= SIS_761) {
- /* I very much assume 761, 340 and newer will use new layout */
- return true;
- } else if(SiS_Pr->ChipType >= 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(struct SiS_Private *SiS_Pr)
-{
- unsigned char *ROMAddr = SiS_Pr->VirtualRomBase;
- unsigned short romptr = 0;
-
- SiS_Pr->SiS_UseROM = false;
- SiS_Pr->SiS_ROMNew = false;
- SiS_Pr->SiS_PWDOffset = 0;
-
- if(SiS_Pr->ChipType >= XGI_20) return;
-
- if((ROMAddr) && (SiS_Pr->UseROM)) {
- if(SiS_Pr->ChipType == 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(SiS_Pr->ChipType < 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))) {
- SiS_Pr->SiS_EMIOffset = 14;
- SiS_Pr->SiS_PWDOffset = 17;
- 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, 2.05.00+ */
- SiS_Pr->SiS661LCD2TableSize = 36;
- else if( (ROMAddr[romptr + (38 * 16)] == 0xff) || /* 2.00.00 - 2.02.00 */
- (ROMAddr[0x6F] & 0x01) ) { /* 2.03.00 - <2.05.00 */
- SiS_Pr->SiS661LCD2TableSize = 38; /* UMC data layout abandoned at 2.05.00 */
- SiS_Pr->SiS_EMIOffset = 16;
- SiS_Pr->SiS_PWDOffset = 19;
- }
- }
- }
- }
- }
-}
-
-/*********************************************/
-/* HELPER: SET SEGMENT REGISTERS */
-/*********************************************/
-
-static void
-SiS_SetSegRegLower(struct SiS_Private *SiS_Pr, unsigned short value)
-{
- unsigned short 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(struct SiS_Private *SiS_Pr, unsigned short value)
-{
- unsigned short 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(struct SiS_Private *SiS_Pr, unsigned short value)
-{
- SiS_SetSegRegLower(SiS_Pr, value);
- SiS_SetSegRegUpper(SiS_Pr, value);
-}
-
-static void
-SiS_ResetSegmentReg(struct SiS_Private *SiS_Pr)
-{
- SiS_SetSegmentReg(SiS_Pr, 0);
-}
-
-static void
-SiS_SetSegmentRegOver(struct SiS_Private *SiS_Pr, unsigned short value)
-{
- unsigned short 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(struct SiS_Private *SiS_Pr)
-{
- SiS_SetSegmentRegOver(SiS_Pr, 0);
-}
-
-static void
-SiS_ResetSegmentRegisters(struct SiS_Private *SiS_Pr)
-{
- if((IS_SIS65x) || (SiS_Pr->ChipType >= SIS_661)) {
- SiS_ResetSegmentReg(SiS_Pr);
- SiS_ResetSegmentRegOver(SiS_Pr);
- }
-}
-
-/*********************************************/
-/* HELPER: GetVBType */
-/*********************************************/
-
-static
-void
-SiS_GetVBType(struct SiS_Private *SiS_Pr)
-{
- unsigned short flag = 0, rev = 0, nolcd = 0;
- unsigned short 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;
-
- if(SiS_Pr->ChipType == XGI_20)
- 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_SIS301C | VB_SIS301LV | VB_SIS302LV | VB_SIS302ELV)) {
- 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 */
-/*********************************************/
-
-static bool
-SiS_CheckMemorySize(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
- unsigned short ModeIdIndex)
-{
- unsigned short AdapterMemSize = SiS_Pr->VideoMemorySize / (1024*1024);
- unsigned short modeflag = SiS_GetModeFlag(SiS_Pr, ModeNo, ModeIdIndex);
- unsigned short memorysize = ((modeflag & MemoryInfoFlag) >> MemorySizeShift) + 1;
-
- if(!AdapterMemSize) return true;
-
- if(AdapterMemSize < memorysize) return false;
- return true;
-}
-
-/*********************************************/
-/* HELPER: Get DRAM type */
-/*********************************************/
-
-#ifdef CONFIG_FB_SIS_315
-static unsigned char
-SiS_Get310DRAMType(struct SiS_Private *SiS_Pr)
-{
- unsigned char data;
-
- if((*SiS_Pr->pSiS_SoftSetting) & SoftDRAMType) {
- data = (*SiS_Pr->pSiS_SoftSetting) & 0x03;
- } else {
- if(SiS_Pr->ChipType >= XGI_20) {
- /* Do I need this? SR17 seems to be zero anyway... */
- data = 0;
- } else if(SiS_Pr->ChipType >= SIS_340) {
- /* TODO */
- data = 0;
- } if(SiS_Pr->ChipType >= SIS_661) {
- if(SiS_Pr->SiS_ROMNew) {
- data = ((SiS_GetReg(SiS_Pr->SiS_P3d4,0x78) & 0xc0) >> 6);
- } else {
- data = SiS_GetReg(SiS_Pr->SiS_P3d4,0x78) & 0x07;
- }
- } 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(SiS_Pr->ChipType == SIS_330) {
- if(data > 1) {
- switch(SiS_GetReg(SiS_Pr->SiS_P3d4,0x5f) & 0x30) {
- 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 unsigned short
-SiS_GetMCLK(struct SiS_Private *SiS_Pr)
-{
- unsigned char *ROMAddr = SiS_Pr->VirtualRomBase;
- unsigned short index;
-
- index = SiS_Get310DRAMType(SiS_Pr);
- if(SiS_Pr->ChipType >= SIS_661) {
- if(SiS_Pr->SiS_ROMNew) {
- return((unsigned short)(SISGETROMW((0x90 + (index * 5) + 3))));
- }
- return(SiS_Pr->SiS_MCLKData_0[index].CLOCK);
- } else if(index >= 4) {
- return(SiS_Pr->SiS_MCLKData_1[index - 4].CLOCK);
- } else {
- return(SiS_Pr->SiS_MCLKData_0[index].CLOCK);
- }
-}
-#endif
-
-/*********************************************/
-/* HELPER: ClearBuffer */
-/*********************************************/
-
-static void
-SiS_ClearBuffer(struct SiS_Private *SiS_Pr, unsigned short ModeNo)
-{
- unsigned char SISIOMEMTYPE *memaddr = SiS_Pr->VideoMemoryAddress;
- unsigned int memsize = SiS_Pr->VideoMemorySize;
- unsigned short SISIOMEMTYPE *pBuffer;
- int i;
-
- if(!memaddr || !memsize) return;
-
- if(SiS_Pr->SiS_ModeType >= ModeEGA) {
- if(ModeNo > 0x13) {
- memset_io(memaddr, 0, memsize);
- } else {
- pBuffer = (unsigned short SISIOMEMTYPE *)memaddr;
- for(i = 0; i < 0x4000; i++) writew(0x0000, &pBuffer[i]);
- }
- } else if(SiS_Pr->SiS_ModeType < ModeCGA) {
- pBuffer = (unsigned short SISIOMEMTYPE *)memaddr;
- for(i = 0; i < 0x4000; i++) writew(0x0720, &pBuffer[i]);
- } else {
- memset_io(memaddr, 0, 0x8000);
- }
-}
-
-/*********************************************/
-/* HELPER: SearchModeID */
-/*********************************************/
-
-bool
-SiS_SearchModeID(struct SiS_Private *SiS_Pr, unsigned short *ModeNo,
- unsigned short *ModeIdIndex)
-{
- unsigned char 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 */
-/*********************************************/
-
-unsigned short
-SiS_GetModePtr(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex)
-{
- unsigned short 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;
-}
-
-/*********************************************/
-/* HELPERS: Get some indices */
-/*********************************************/
-
-unsigned short
-SiS_GetRefCRTVCLK(struct SiS_Private *SiS_Pr, unsigned short Index, int UseWide)
-{
- if(SiS_Pr->SiS_RefIndex[Index].Ext_InfoFlag & HaveWideTiming) {
- if(UseWide == 1) {
- return SiS_Pr->SiS_RefIndex[Index].Ext_CRTVCLK_WIDE;
- } else {
- return SiS_Pr->SiS_RefIndex[Index].Ext_CRTVCLK_NORM;
- }
- } else {
- return SiS_Pr->SiS_RefIndex[Index].Ext_CRTVCLK;
- }
-}
-
-unsigned short
-SiS_GetRefCRT1CRTC(struct SiS_Private *SiS_Pr, unsigned short Index, int UseWide)
-{
- if(SiS_Pr->SiS_RefIndex[Index].Ext_InfoFlag & HaveWideTiming) {
- if(UseWide == 1) {
- return SiS_Pr->SiS_RefIndex[Index].Ext_CRT1CRTC_WIDE;
- } else {
- return SiS_Pr->SiS_RefIndex[Index].Ext_CRT1CRTC_NORM;
- }
- } else {
- return SiS_Pr->SiS_RefIndex[Index].Ext_CRT1CRTC;
- }
-}
-
-/*********************************************/
-/* HELPER: LowModeTests */
-/*********************************************/
-
-static bool
-SiS_DoLowModeTest(struct SiS_Private *SiS_Pr, unsigned short ModeNo)
-{
- unsigned short 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((SiS_Pr->ChipType >= SIS_315H) ||
- (SiS_Pr->ChipType == 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(struct SiS_Private *SiS_Pr, unsigned short ModeNo)
-{
- if(SiS_DoLowModeTest(SiS_Pr, ModeNo)) {
- SiS_Pr->SiS_SetFlag |= LowModeTests;
- }
-}
-
-/*********************************************/
-/* HELPER: OPEN/CLOSE CRT1 CRTC */
-/*********************************************/
-
-static void
-SiS_OpenCRTC(struct SiS_Private *SiS_Pr)
-{
- if(IS_SIS650) {
- 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_CloseCRTC(struct SiS_Private *SiS_Pr)
-{
-#if 0 /* This locks some CRTC registers. We don't want that. */
- unsigned short temp1 = 0, temp2 = 0;
-
- if(IS_SIS661741660760) {
- if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA) {
- temp1 = 0xa0; temp2 = 0x08;
- }
- SiS_SetRegANDOR(SiS_Pr->SiS_P3d4,0x51,0x1f,temp1);
- SiS_SetRegANDOR(SiS_Pr->SiS_P3d4,0x56,0xe7,temp2);
- }
-#endif
-}
-
-static void
-SiS_HandleCRT1(struct 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 */
-/*********************************************/
-
-unsigned short
-SiS_GetColorDepth(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
- unsigned short ModeIdIndex)
-{
- static const unsigned short ColorDepth[6] = { 1, 2, 4, 4, 6, 8 };
- unsigned short modeflag;
- short index;
-
- /* 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 */
-/*********************************************/
-
-unsigned short
-SiS_GetOffset(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
- unsigned short ModeIdIndex, unsigned short RRTI)
-{
- unsigned short xres, temp, colordepth, infoflag;
-
- if(SiS_Pr->UseCustomMode) {
- infoflag = SiS_Pr->CInfoFlag;
- xres = SiS_Pr->CHDisplay;
- } else {
- infoflag = SiS_Pr->SiS_RefIndex[RRTI].Ext_InfoFlag;
- xres = SiS_Pr->SiS_RefIndex[RRTI].XRes;
- }
-
- colordepth = SiS_GetColorDepth(SiS_Pr, ModeNo, ModeIdIndex);
-
- temp = xres / 16;
- if(infoflag & InterlaceMode) temp <<= 1;
- temp *= colordepth;
- if(xres % 16) temp += (colordepth >> 1);
-
- return temp;
-}
-
-/*********************************************/
-/* SEQ */
-/*********************************************/
-
-static void
-SiS_SetSeqRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex)
-{
- unsigned char SRdata;
- int i;
-
- SiS_SetReg(SiS_Pr->SiS_P3c4,0x00,0x03);
-
- /* or "display off" */
- SRdata = SiS_Pr->SiS_StandTable[StandTableIndex].SR[0] | 0x20;
-
- /* determine whether to force x8 dotclock */
- if((SiS_Pr->SiS_VBType & VB_SISVB) || (SiS_Pr->SiS_IF_DEF_LVDS)) {
-
- if(SiS_Pr->SiS_VBInfo & (SetCRT2ToLCD | SetCRT2ToTV)) {
- if(SiS_Pr->SiS_VBInfo & SetInSlaveMode) SRdata |= 0x01;
- } else if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA) SRdata |= 0x01;
-
- }
-
- 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(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex)
-{
- unsigned char Miscdata;
-
- Miscdata = SiS_Pr->SiS_StandTable[StandTableIndex].MISC;
-
- if(SiS_Pr->ChipType < SIS_661) {
- if(SiS_Pr->SiS_VBType & VB_SIS30xBLV) {
- if(SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA) {
- Miscdata |= 0x0C;
- }
- }
- }
-
- SiS_SetRegByte(SiS_Pr->SiS_P3c2,Miscdata);
-}
-
-/*********************************************/
-/* CRTC */
-/*********************************************/
-
-static void
-SiS_SetCRTCRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex)
-{
- unsigned char CRTCdata;
- unsigned short i;
-
- /* Unlock CRTC */
- SiS_SetRegAND(SiS_Pr->SiS_P3d4,0x11,0x7f);
-
- for(i = 0; i <= 0x18; i++) {
- CRTCdata = SiS_Pr->SiS_StandTable[StandTableIndex].CRTC[i];
- SiS_SetReg(SiS_Pr->SiS_P3d4,i,CRTCdata);
- }
-
- if(SiS_Pr->ChipType >= SIS_661) {
- SiS_OpenCRTC(SiS_Pr);
- for(i = 0x13; i <= 0x14; i++) {
- CRTCdata = SiS_Pr->SiS_StandTable[StandTableIndex].CRTC[i];
- SiS_SetReg(SiS_Pr->SiS_P3d4,i,CRTCdata);
- }
- } else if( ( (SiS_Pr->ChipType == SIS_630) ||
- (SiS_Pr->ChipType == SIS_730) ) &&
- (SiS_Pr->ChipRevision >= 0x30) ) {
- 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(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex)
-{
- unsigned char ARdata;
- unsigned short i;
-
- for(i = 0; i <= 0x13; i++) {
- ARdata = SiS_Pr->SiS_StandTable[StandTableIndex].ATTR[i];
-
- 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_SIS30xBLV) {
- 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(SiS_Pr->ChipType >= 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(SiS_Pr->ChipType >= SIS_315H) {
- if(IS_SIS550650740660) {
- /* 315, 330 don't do this */
- if(SiS_Pr->SiS_VBType & VB_SIS30xB) {
- 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(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex)
-{
- unsigned char GRdata;
- unsigned short 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(struct SiS_Private *SiS_Pr, unsigned short ModeNo)
-{
- unsigned short i;
-
- for(i = 0x0A; i <= 0x0E; i++) {
- SiS_SetReg(SiS_Pr->SiS_P3c4,i,0x00);
- }
-
- if(SiS_Pr->ChipType >= 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(struct SiS_Private *SiS_Pr)
-{
- if(SiS_Pr->ChipType >= SIS_315H) {
- if(SiS_Pr->ChipType < 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_SIS30xBLV)) ) {
- return;
- }
- }
-
- SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x31,0xcf,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);
- SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x31,0xcf,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(struct SiS_Private *SiS_Pr, unsigned short RRTI)
-{
- unsigned short sync;
-
- if(SiS_Pr->UseCustomMode) {
- sync = SiS_Pr->CInfoFlag >> 8;
- } else {
- sync = SiS_Pr->SiS_RefIndex[RRTI].Ext_InfoFlag >> 8;
- }
-
- sync &= 0xC0;
- sync |= 0x2f;
- SiS_SetRegByte(SiS_Pr->SiS_P3c2,sync);
-}
-
-/*********************************************/
-/* CRTC/2 */
-/*********************************************/
-
-static void
-SiS_SetCRT1CRTC(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
- unsigned short ModeIdIndex, unsigned short RRTI)
-{
- unsigned short temp, i, j, modeflag;
- unsigned char *crt1data = NULL;
-
- modeflag = SiS_GetModeFlag(SiS_Pr, ModeNo, ModeIdIndex);
-
- if(SiS_Pr->UseCustomMode) {
-
- crt1data = &SiS_Pr->CCRT1CRTC[0];
-
- } else {
-
- temp = SiS_GetRefCRT1CRTC(SiS_Pr, RRTI, SiS_Pr->SiS_UseWide);
-
- /* Alternate for 1600x1200 LCDA */
- if((temp == 0x20) && (SiS_Pr->Alternate1600x1200)) temp = 0x57;
-
- crt1data = (unsigned char *)&SiS_Pr->SiS_CRT1Table[temp].CR[0];
-
- }
-
- /* unlock cr0-7 */
- SiS_SetRegAND(SiS_Pr->SiS_P3d4,0x11,0x7f);
-
- for(i = 0, j = 0; i <= 7; i++, j++) {
- SiS_SetReg(SiS_Pr->SiS_P3d4,j,crt1data[i]);
- }
- for(j = 0x10; i <= 10; i++, j++) {
- SiS_SetReg(SiS_Pr->SiS_P3d4,j,crt1data[i]);
- }
- for(j = 0x15; i <= 12; i++, j++) {
- SiS_SetReg(SiS_Pr->SiS_P3d4,j,crt1data[i]);
- }
- for(j = 0x0A; i <= 15; i++, j++) {
- SiS_SetReg(SiS_Pr->SiS_P3c4,j,crt1data[i]);
- }
-
- SiS_SetReg(SiS_Pr->SiS_P3c4,0x0E,crt1data[16] & 0xE0);
-
- temp = (crt1data[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);
- }
-
-#ifdef CONFIG_FB_SIS_315
- if(SiS_Pr->ChipType == XGI_20) {
- SiS_SetReg(SiS_Pr->SiS_P3d4,0x04,crt1data[4] - 1);
- if(!(temp = crt1data[5] & 0x1f)) {
- SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x0c,0xfb);
- }
- SiS_SetRegANDOR(SiS_Pr->SiS_P3d4,0x05,0xe0,((temp - 1) & 0x1f));
- temp = (crt1data[16] >> 5) + 3;
- if(temp > 7) temp -= 7;
- SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x0e,0x1f,(temp << 5));
- }
-#endif
-}
-
-/*********************************************/
-/* OFFSET & PITCH */
-/*********************************************/
-/* (partly overruled by SetPitch() in XF86) */
-/*********************************************/
-
-static void
-SiS_SetCRT1Offset(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
- unsigned short ModeIdIndex, unsigned short RRTI)
-{
- unsigned short temp, DisplayUnit, infoflag;
-
- if(SiS_Pr->UseCustomMode) {
- infoflag = SiS_Pr->CInfoFlag;
- } else {
- infoflag = SiS_Pr->SiS_RefIndex[RRTI].Ext_InfoFlag;
- }
-
- DisplayUnit = SiS_GetOffset(SiS_Pr, ModeNo, ModeIdIndex, RRTI);
-
- temp = (DisplayUnit >> 8) & 0x0f;
- SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x0E,0xF0,temp);
-
- SiS_SetReg(SiS_Pr->SiS_P3d4,0x13,DisplayUnit & 0xFF);
-
- if(infoflag & InterlaceMode) DisplayUnit >>= 1;
-
- DisplayUnit <<= 5;
- temp = (DisplayUnit >> 8) + 1;
- if(DisplayUnit & 0xff) temp++;
- if(SiS_Pr->ChipType == XGI_20) {
- if(ModeNo == 0x4a || ModeNo == 0x49) temp--;
- }
- SiS_SetReg(SiS_Pr->SiS_P3c4,0x10,temp);
-}
-
-/*********************************************/
-/* VCLK */
-/*********************************************/
-
-static void
-SiS_SetCRT1VCLK(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
- unsigned short ModeIdIndex, unsigned short RRTI)
-{
- unsigned short index = 0, clka, clkb;
-
- if(SiS_Pr->UseCustomMode) {
- clka = SiS_Pr->CSR2B;
- clkb = SiS_Pr->CSR2C;
- } else {
- index = SiS_GetVCLK2Ptr(SiS_Pr, ModeNo, ModeIdIndex, RRTI);
- if((SiS_Pr->SiS_VBType & VB_SIS30xBLV) &&
- (SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA)) {
- /* Alternate for 1600x1200 LCDA */
- if((index == 0x21) && (SiS_Pr->Alternate1600x1200)) index = 0x72;
- 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;
- }
- }
-
- SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x31,0xCF);
-
- SiS_SetReg(SiS_Pr->SiS_P3c4,0x2b,clka);
- SiS_SetReg(SiS_Pr->SiS_P3c4,0x2c,clkb);
-
- if(SiS_Pr->ChipType >= SIS_315H) {
-#ifdef CONFIG_FB_SIS_315
- SiS_SetReg(SiS_Pr->SiS_P3c4,0x2D,0x01);
- if(SiS_Pr->ChipType == XGI_20) {
- unsigned short mf = SiS_GetModeFlag(SiS_Pr, ModeNo, ModeIdIndex);
- if(mf & HalfDCLK) {
- SiS_SetReg(SiS_Pr->SiS_P3c4,0x2b,SiS_GetReg(SiS_Pr->SiS_P3c4,0x2b));
- clkb = SiS_GetReg(SiS_Pr->SiS_P3c4,0x2c);
- clkb = (((clkb & 0x1f) << 1) + 1) | (clkb & 0xe0);
- SiS_SetReg(SiS_Pr->SiS_P3c4,0x2c,clkb);
- }
- }
-#endif
- } else {
- SiS_SetReg(SiS_Pr->SiS_P3c4,0x2D,0x80);
- }
-}
-
-/*********************************************/
-/* FIFO */
-/*********************************************/
-
-#ifdef CONFIG_FB_SIS_300
-void
-SiS_GetFIFOThresholdIndex300(struct SiS_Private *SiS_Pr, unsigned short *idx1,
- unsigned short *idx2)
-{
- unsigned short temp1, temp2;
- static const unsigned char ThTiming[8] = {
- 1, 2, 2, 3, 0, 1, 1, 2
- };
-
- temp1 = temp2 = (SiS_GetReg(SiS_Pr->SiS_P3c4,0x18) & 0x62) >> 1;
- (*idx2) = (unsigned short)(ThTiming[((temp2 >> 3) | temp1) & 0x07]);
- (*idx1) = (unsigned short)(SiS_GetReg(SiS_Pr->SiS_P3c4,0x16) >> 6) & 0x03;
- (*idx1) |= (unsigned short)(((SiS_GetReg(SiS_Pr->SiS_P3c4,0x14) >> 4) & 0x0c));
- (*idx1) <<= 1;
-}
-
-static unsigned short
-SiS_GetFIFOThresholdA300(unsigned short idx1, unsigned short idx2)
-{
- static const unsigned char ThLowA[8 * 3] = {
- 61, 3,52, 5,68, 7,100,11,
- 43, 3,42, 5,54, 7, 78,11,
- 34, 3,37, 5,47, 7, 67,11
- };
-
- return (unsigned short)((ThLowA[idx1 + 1] * idx2) + ThLowA[idx1]);
-}
-
-unsigned short
-SiS_GetFIFOThresholdB300(unsigned short idx1, unsigned short idx2)
-{
- static const unsigned char ThLowB[8 * 3] = {
- 81, 4,72, 6,88, 8,120,12,
- 55, 4,54, 6,66, 8, 90,12,
- 42, 4,45, 6,55, 8, 75,12
- };
-
- return (unsigned short)((ThLowB[idx1 + 1] * idx2) + ThLowB[idx1]);
-}
-
-static unsigned short
-SiS_DoCalcDelay(struct SiS_Private *SiS_Pr, unsigned short MCLK, unsigned short VCLK,
- unsigned short colordepth, unsigned short key)
-{
- unsigned short idx1, idx2;
- unsigned int longtemp = VCLK * colordepth;
-
- SiS_GetFIFOThresholdIndex300(SiS_Pr, &idx1, &idx2);
-
- if(key == 0) {
- longtemp *= SiS_GetFIFOThresholdA300(idx1, idx2);
- } else {
- longtemp *= SiS_GetFIFOThresholdB300(idx1, idx2);
- }
- idx1 = longtemp % (MCLK * 16);
- longtemp /= (MCLK * 16);
- if(idx1) longtemp++;
- return (unsigned short)longtemp;
-}
-
-static unsigned short
-SiS_CalcDelay(struct SiS_Private *SiS_Pr, unsigned short VCLK,
- unsigned short colordepth, unsigned short MCLK)
-{
- unsigned short temp1, temp2;
-
- temp2 = SiS_DoCalcDelay(SiS_Pr, MCLK, VCLK, colordepth, 0);
- temp1 = SiS_DoCalcDelay(SiS_Pr, MCLK, VCLK, colordepth, 1);
- if(temp1 < 4) temp1 = 4;
- temp1 -= 4;
- if(temp2 < temp1) temp2 = temp1;
- return temp2;
-}
-
-static void
-SiS_SetCRT1FIFO_300(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
- unsigned short RefreshRateTableIndex)
-{
- unsigned short ThresholdLow = 0;
- unsigned short temp, index, VCLK, MCLK, colorth;
- static const unsigned short colortharray[6] = { 1, 1, 2, 2, 3, 4 };
-
- if(ModeNo > 0x13) {
-
- /* Get VCLK */
- if(SiS_Pr->UseCustomMode) {
- VCLK = SiS_Pr->CSRClock;
- } else {
- index = SiS_GetRefCRTVCLK(SiS_Pr, RefreshRateTableIndex, SiS_Pr->SiS_UseWide);
- VCLK = SiS_Pr->SiS_VCLKData[index].CLOCK;
- }
-
- /* Get half colordepth */
- colorth = colortharray[(SiS_Pr->SiS_ModeType - ModeEGA)];
-
- /* Get MCLK */
- index = SiS_GetReg(SiS_Pr->SiS_P3c4,0x3A) & 0x07;
- MCLK = SiS_Pr->SiS_MCLKData_0[index].CLOCK;
-
- temp = SiS_GetReg(SiS_Pr->SiS_P3d4,0x35) & 0xc3;
- SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x16,0x3c,temp);
-
- do {
- ThresholdLow = SiS_CalcDelay(SiS_Pr, VCLK, colorth, MCLK) + 1;
- if(ThresholdLow < 0x13) break;
- SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x16,0xfc);
- ThresholdLow = 0x13;
- temp = SiS_GetReg(SiS_Pr->SiS_P3c4,0x16) >> 6;
- if(!temp) break;
- SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x16,0x3f,((temp - 1) << 6));
- } 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);
-}
-
-unsigned short
-SiS_GetLatencyFactor630(struct SiS_Private *SiS_Pr, unsigned short index)
-{
- static const unsigned char LatencyFactor[] = {
- 97, 88, 86, 79, 77, 0, /* 64 bit BQ=2 */
- 0, 87, 85, 78, 76, 54, /* 64 bit BQ=1 */
- 97, 88, 86, 79, 77, 0, /* 128 bit BQ=2 */
- 0, 79, 77, 70, 68, 48, /* 128 bit BQ=1 */
- 80, 72, 69, 63, 61, 0, /* 64 bit BQ=2 */
- 0, 70, 68, 61, 59, 37, /* 64 bit BQ=1 */
- 86, 77, 75, 68, 66, 0, /* 128 bit BQ=2 */
- 0, 68, 66, 59, 57, 37 /* 128 bit BQ=1 */
- };
- static const unsigned char LatencyFactor730[] = {
- 69, 63, 61,
- 86, 79, 77,
- 103, 96, 94,
- 120,113,111,
- 137,130,128
- };
-
- if(SiS_Pr->ChipType == SIS_730) {
- return (unsigned short)LatencyFactor730[index];
- } else {
- return (unsigned short)LatencyFactor[index];
- }
-}
-
-static unsigned short
-SiS_CalcDelay2(struct SiS_Private *SiS_Pr, unsigned char key)
-{
- unsigned short index;
-
- if(SiS_Pr->ChipType == SIS_730) {
- index = ((key & 0x0f) * 3) + ((key & 0xc0) >> 6);
- } else {
- index = (key & 0xe0) >> 5;
- if(key & 0x10) index += 6;
- if(!(key & 0x01)) index += 24;
- if(SiS_GetReg(SiS_Pr->SiS_P3c4,0x14) & 0x80) index += 12;
- }
- return SiS_GetLatencyFactor630(SiS_Pr, index);
-}
-
-static void
-SiS_SetCRT1FIFO_630(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
- unsigned short RefreshRateTableIndex)
-{
- unsigned short ThresholdLow = 0;
- unsigned short i, data, VCLK, MCLK16, colorth = 0;
- unsigned int templ, datal;
- const unsigned char *queuedata = NULL;
- static const unsigned char FQBQData[21] = {
- 0x01,0x21,0x41,0x61,0x81,
- 0x31,0x51,0x71,0x91,0xb1,
- 0x00,0x20,0x40,0x60,0x80,
- 0x30,0x50,0x70,0x90,0xb0,
- 0xff
- };
- static const unsigned char FQBQData730[16] = {
- 0x34,0x74,0xb4,
- 0x23,0x63,0xa3,
- 0x12,0x52,0x92,
- 0x01,0x41,0x81,
- 0x00,0x40,0x80,
- 0xff
- };
- static const unsigned short colortharray[6] = {
- 1, 1, 2, 2, 3, 4
- };
-
- i = 0;
-
- if(ModeNo > 0x13) {
-
- /* Get VCLK */
- if(SiS_Pr->UseCustomMode) {
- VCLK = SiS_Pr->CSRClock;
- } else {
- data = SiS_GetRefCRTVCLK(SiS_Pr, RefreshRateTableIndex, SiS_Pr->SiS_UseWide);
- VCLK = SiS_Pr->SiS_VCLKData[data].CLOCK;
- }
-
- /* Get MCLK * 16 */
- data = SiS_GetReg(SiS_Pr->SiS_P3c4,0x1A) & 0x07;
- MCLK16 = SiS_Pr->SiS_MCLKData_0[data].CLOCK * 16;
-
- /* Get half colordepth */
- colorth = colortharray[(SiS_Pr->SiS_ModeType - ModeEGA)];
-
- if(SiS_Pr->ChipType == SIS_730) {
- queuedata = &FQBQData730[0];
- } else {
- queuedata = &FQBQData[0];
- }
-
- do {
- templ = SiS_CalcDelay2(SiS_Pr, queuedata[i]) * VCLK * colorth;
-
- datal = templ % MCLK16;
- templ = (templ / MCLK16) + 1;
- if(datal) templ++;
-
- if(templ > 0x13) {
- if(queuedata[i + 1] == 0xFF) {
- ThresholdLow = 0x13;
- break;
- }
- i++;
- } else {
- ThresholdLow = templ;
- break;
- }
- } while(queuedata[i] != 0xFF);
-
- } else {
-
- if(SiS_Pr->ChipType != SIS_730) i = 9;
- ThresholdLow = 0x02;
-
- }
-
- /* 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);
-
- /* Write foreground and background queue */
- templ = sisfb_read_nbridge_pci_dword(SiS_Pr, 0x50);
-
- if(SiS_Pr->ChipType == SIS_730) {
-
- templ &= 0xfffff9ff;
- templ |= ((queuedata[i] & 0xc0) << 3);
-
- } else {
-
- templ &= 0xf0ffffff;
- if( (ModeNo <= 0x13) &&
- (SiS_Pr->ChipType == SIS_630) &&
- (SiS_Pr->ChipRevision >= 0x30) ) {
- templ |= 0x0b000000;
- } else {
- templ |= ((queuedata[i] & 0xf0) << 20);
- }
-
- }
-
- sisfb_write_nbridge_pci_dword(SiS_Pr, 0x50, templ);
- templ = sisfb_read_nbridge_pci_dword(SiS_Pr, 0xA0);
-
- /* GUI grant timer (PCI config 0xA3) */
- if(SiS_Pr->ChipType == SIS_730) {
-
- templ &= 0x00ffffff;
- datal = queuedata[i] << 8;
- templ |= (((datal & 0x0f00) | ((datal & 0x3000) >> 8)) << 20);
-
- } else {
-
- templ &= 0xf0ffffff;
- templ |= ((queuedata[i] & 0x0f) << 24);
-
- }
-
- sisfb_write_nbridge_pci_dword(SiS_Pr, 0xA0, templ);
-}
-#endif /* CONFIG_FB_SIS_300 */
-
-#ifdef CONFIG_FB_SIS_315
-static void
-SiS_SetCRT1FIFO_310(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex)
-{
- unsigned short modeflag;
-
- /* disable auto-threshold */
- SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x3D,0xFE);
-
- modeflag = SiS_GetModeFlag(SiS_Pr, ModeNo, ModeIdIndex);
-
- SiS_SetReg(SiS_Pr->SiS_P3c4,0x08,0xAE);
- SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x09,0xF0);
- if(ModeNo > 0x13) {
- if(SiS_Pr->ChipType >= XGI_20) {
- SiS_SetReg(SiS_Pr->SiS_P3c4,0x08,0x34);
- SiS_SetRegOR(SiS_Pr->SiS_P3c4,0x3D,0x01);
- } else if(SiS_Pr->ChipType >= 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(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
- unsigned short RefreshRateTableIndex, unsigned short ModeIdIndex)
-{
- unsigned short 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);
- VCLK = SiS_Pr->SiS_VCLKData[index].CLOCK;
- }
- }
-
- if(SiS_Pr->ChipType < SIS_315H) {
-#ifdef CONFIG_FB_SIS_300
- 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);
-#endif
- } else if(SiS_Pr->ChipType < XGI_20) {
-#ifdef CONFIG_FB_SIS_315
- 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);
- }
-#endif
- } else {
-#ifdef CONFIG_FB_SIS_315
- if(VCLK >= 200) data |= 0x0c;
- if(SiS_Pr->ChipType == XGI_20) data &= ~0x04;
- SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x32,0xf3,data);
- if(SiS_Pr->ChipType != XGI_20) {
- data = SiS_GetReg(SiS_Pr->SiS_P3c4,0x1f) & 0xe7;
- if(VCLK < 200) data |= 0x10;
- SiS_SetReg(SiS_Pr->SiS_P3c4,0x1f,data);
- }
-#endif
- }
-
- /* DAC speed */
- if(SiS_Pr->ChipType >= SIS_661) {
-
- SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x07,0xE8,0x10);
-
- } else {
-
- data = 0x03;
- if(VCLK >= 260) data = 0x00;
- else if(VCLK >= 160) data = 0x01;
- else if(VCLK >= 135) data = 0x02;
-
- if(SiS_Pr->ChipType == SIS_540) {
- /* Was == 203 or < 234 which made no sense */
- if (VCLK < 234) data = 0x02;
- }
-
- if(SiS_Pr->ChipType < SIS_315H) {
- SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x07,0xFC,data);
- } else {
- if(SiS_Pr->ChipType > SIS_315PRO) {
- if(ModeNo > 0x13) data &= 0xfc;
- }
- SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x07,0xF8,data);
- }
-
- }
-}
-
-static void
-SiS_SetCRT1ModeRegs(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
- unsigned short ModeIdIndex, unsigned short RRTI)
-{
- unsigned short data, infoflag = 0, modeflag, resindex;
-#ifdef CONFIG_FB_SIS_315
- unsigned char *ROMAddr = SiS_Pr->VirtualRomBase;
- unsigned short data2, data3;
-#endif
-
- modeflag = SiS_GetModeFlag(SiS_Pr, ModeNo, ModeIdIndex);
-
- if(SiS_Pr->UseCustomMode) {
- infoflag = SiS_Pr->CInfoFlag;
- } else {
- resindex = SiS_GetResInfo(SiS_Pr, ModeNo, ModeIdIndex);
- if(ModeNo > 0x13) {
- infoflag = SiS_Pr->SiS_RefIndex[RRTI].Ext_InfoFlag;
- }
- }
-
- /* 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(SiS_Pr->ChipType != SIS_300) {
- data = 0;
- if(infoflag & InterlaceMode) {
- /* data = (Hsync / 8) - ((Htotal / 8) / 2) + 3 */
- int hrs = (SiS_GetReg(SiS_Pr->SiS_P3d4,0x04) |
- ((SiS_GetReg(SiS_Pr->SiS_P3c4,0x0b) & 0xc0) << 2)) - 3;
- int hto = (SiS_GetReg(SiS_Pr->SiS_P3d4,0x00) |
- ((SiS_GetReg(SiS_Pr->SiS_P3c4,0x0b) & 0x03) << 8)) + 5;
- data = hrs - (hto >> 1) + 3;
- }
- SiS_SetReg(SiS_Pr->SiS_P3d4,0x19,data);
- SiS_SetRegANDOR(SiS_Pr->SiS_P3d4,0x1a,0xFC,((data >> 8) & 0x03));
- }
-
- if(modeflag & HalfDCLK) {
- SiS_SetRegOR(SiS_Pr->SiS_P3c4,0x01,0x08);
- }
-
- data = 0;
- if(modeflag & LineCompareOff) data = 0x08;
- if(SiS_Pr->ChipType == SIS_300) {
- SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x0F,0xF7,data);
- } else {
- if(SiS_Pr->ChipType >= XGI_20) data |= 0x20;
- if(SiS_Pr->SiS_ModeType == ModeEGA) {
- if(ModeNo > 0x13) {
- data |= 0x40;
- }
- }
- SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0x0F,0xB7,data);
- }
-
-#ifdef CONFIG_FB_SIS_315
- if(SiS_Pr->ChipType >= SIS_315H) {
- SiS_SetRegAND(SiS_Pr->SiS_P3c4,0x31,0xfb);
- }
-
- if(SiS_Pr->ChipType == SIS_315PRO) {
-
- data = SiS_Pr->SiS_SR15[(2 * 4) + SiS_Get310DRAMType(SiS_Pr)];
- if(SiS_Pr->SiS_ModeType == ModeText) {
- data &= 0xc7;
- } else {
- data2 = SiS_GetOffset(SiS_Pr, ModeNo, ModeIdIndex, RRTI) >> 1;
- if(infoflag & InterlaceMode) data2 >>= 1;
- data3 = SiS_GetColorDepth(SiS_Pr, ModeNo, ModeIdIndex) >> 1;
- if(data3) data2 /= data3;
- if(data2 >= 0x50) {
- data &= 0x0f;
- data |= 0x50;
- }
- }
- SiS_SetReg(SiS_Pr->SiS_P3c4,0x17,data);
-
- } else if((SiS_Pr->ChipType == SIS_330) || (SiS_Pr->SiS_SysFlags & SF_760LFB)) {
-
- data = SiS_Get310DRAMType(SiS_Pr);
- if(SiS_Pr->ChipType == SIS_330) {
- data = SiS_Pr->SiS_SR15[(2 * 4) + 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, RRTI);
- data2 = SiS_Pr->SiS_VCLKData[data2].CLOCK;
- }
-
- data3 = SiS_GetColorDepth(SiS_Pr, ModeNo, ModeIdIndex) >> 1;
- if(data3) data2 *= data3;
-
- data2 = ((unsigned int)(SiS_GetMCLK(SiS_Pr) * 1024)) / data2;
-
- if(SiS_Pr->ChipType == 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 { /* 76x+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);
-
- }
- /* XGI: Nothing. */
- /* TODO: Check SiS340 */
-#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, ModeNo, RRTI, ModeIdIndex);
-
-#ifdef CONFIG_FB_SIS_315
- if(((SiS_Pr->ChipType >= SIS_315H) && (SiS_Pr->ChipType < SIS_661)) ||
- (SiS_Pr->ChipType == XGI_40)) {
- 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);
- }
- } else if(SiS_Pr->ChipType == XGI_20) {
- if(SiS_GetReg(SiS_Pr->SiS_P3d4,0x31) & 0x40) {
- SiS_SetReg(SiS_Pr->SiS_P3d4,0x52,0x33);
- } else {
- SiS_SetReg(SiS_Pr->SiS_P3d4,0x52,0x73);
- }
- SiS_SetReg(SiS_Pr->SiS_P3d4,0x51,0x02);
- }
-#endif
-}
-
-#ifdef CONFIG_FB_SIS_315
-static void
-SiS_SetupDualChip(struct SiS_Private *SiS_Pr)
-{
-#if 0
- /* TODO: Find out about IOAddress2 */
- SISIOADDRESS P2_3c2 = SiS_Pr->IOAddress2 + 0x12;
- SISIOADDRESS P2_3c4 = SiS_Pr->IOAddress2 + 0x14;
- SISIOADDRESS P2_3ce = SiS_Pr->IOAddress2 + 0x1e;
- int i;
-
- if((SiS_Pr->ChipRevision != 0) ||
- (!(SiS_GetReg(SiS_Pr->SiS_P3c4,0x3a) & 0x04)))
- return;
-
- for(i = 0; i <= 4; i++) { /* SR00 - SR04 */
- SiS_SetReg(P2_3c4,i,SiS_GetReg(SiS_Pr->SiS_P3c4,i));
- }
- for(i = 0; i <= 8; i++) { /* GR00 - GR08 */
- SiS_SetReg(P2_3ce,i,SiS_GetReg(SiS_Pr->SiS_P3ce,i));
- }
- SiS_SetReg(P2_3c4,0x05,0x86);
- SiS_SetReg(P2_3c4,0x06,SiS_GetReg(SiS_Pr->SiS_P3c4,0x06)); /* SR06 */
- SiS_SetReg(P2_3c4,0x21,SiS_GetReg(SiS_Pr->SiS_P3c4,0x21)); /* SR21 */
- SiS_SetRegByte(P2_3c2,SiS_GetRegByte(SiS_Pr->SiS_P3cc)); /* MISC */
- SiS_SetReg(P2_3c4,0x05,0x00);
-#endif
-}
-#endif
-
-/*********************************************/
-/* LOAD DAC */
-/*********************************************/
-
-static void
-SiS_WriteDAC(struct SiS_Private *SiS_Pr, SISIOADDRESS DACData, unsigned short shiftflag,
- unsigned short dl, unsigned short ah, unsigned short al, unsigned short dh)
-{
- unsigned short d1, d2, d3;
-
- switch(dl) {
- case 0: d1 = dh; d2 = ah; d3 = al; break;
- case 1: d1 = ah; d2 = al; d3 = dh; break;
- default: d1 = al; d2 = dh; d3 = ah;
- }
- SiS_SetRegByte(DACData, (d1 << shiftflag));
- SiS_SetRegByte(DACData, (d2 << shiftflag));
- SiS_SetRegByte(DACData, (d3 << shiftflag));
-}
-
-void
-SiS_LoadDAC(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex)
-{
- unsigned short data, data2, time, i, j, k, m, n, o;
- unsigned short si, di, bx, sf;
- SISIOADDRESS DACAddr, DACData;
- const unsigned char *table = NULL;
-
- data = SiS_GetModeFlag(SiS_Pr, ModeNo, ModeIdIndex) & DACInfoFlag;
-
- j = time = 64;
- if(data == 0x00) table = SiS_MDA_DAC;
- else if(data == 0x08) table = SiS_CGA_DAC;
- else if(data == 0x10) table = SiS_EGA_DAC;
- else if(data == 0x18) {
- j = 16;
- time = 256;
- table = SiS_VGA_DAC;
- }
-
- 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 */
- SiS_SetRegByte(SiS_Pr->SiS_P3c6,0xFF);
- DACAddr = SiS_Pr->SiS_P3c8;
- DACData = SiS_Pr->SiS_P3c9;
- sf = 0;
- } else {
- DACAddr = SiS_Pr->SiS_Part5Port;
- DACData = SiS_Pr->SiS_Part5Port + 1;
- sf = 2;
- }
-
- 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;
- SiS_SetRegByte(DACData, (data2 << sf));
- data >>= 2;
- }
- }
-
- if(time == 256) {
- for(i = 16; i < 32; i++) {
- data = table[i] << sf;
- for(k = 0; k < 3; k++) SiS_SetRegByte(DACData, data);
- }
- si = 32;
- for(m = 0; m < 9; m++) {
- di = si;
- bx = si + 4;
- for(n = 0; n < 3; n++) {
- for(o = 0; o < 5; o++) {
- SiS_WriteDAC(SiS_Pr, DACData, sf, n, table[di], table[bx], table[si]);
- si++;
- }
- si -= 2;
- for(o = 0; o < 3; o++) {
- SiS_WriteDAC(SiS_Pr, DACData, sf, n, table[di], table[si], table[bx]);
- si--;
- }
- } /* for n < 3 */
- si += 5;
- } /* for m < 9 */
- }
-}
-
-/*********************************************/
-/* SET CRT1 REGISTER GROUP */
-/*********************************************/
-
-static void
-SiS_SetCRT1Group(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex)
-{
- unsigned short 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);
- }
- }
-
- SiS_ResetSegmentRegisters(SiS_Pr);
-
- SiS_SetSeqRegs(SiS_Pr, StandTableIndex);
- SiS_SetMiscRegs(SiS_Pr, StandTableIndex);
- SiS_SetCRTCRegs(SiS_Pr, StandTableIndex);
- SiS_SetATTRegs(SiS_Pr, StandTableIndex);
- SiS_SetGRCRegs(SiS_Pr, StandTableIndex);
- SiS_ClearExt1Regs(SiS_Pr, ModeNo);
- SiS_ResetCRT1VCLK(SiS_Pr);
-
- SiS_Pr->SiS_SelectCRT2Rate = 0;
- SiS_Pr->SiS_SetFlag &= (~ProgrammingCRT2);
-
- 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);
-
- 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);
- SiS_SetCRT1Offset(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex);
- SiS_SetCRT1VCLK(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex);
- }
-
- switch(SiS_Pr->ChipType) {
-#ifdef CONFIG_FB_SIS_300
- case SIS_300:
- SiS_SetCRT1FIFO_300(SiS_Pr, ModeNo, RefreshRateTableIndex);
- break;
- case SIS_540:
- case SIS_630:
- case SIS_730:
- SiS_SetCRT1FIFO_630(SiS_Pr, ModeNo, RefreshRateTableIndex);
- break;
-#endif
- default:
-#ifdef CONFIG_FB_SIS_315
- if(SiS_Pr->ChipType == XGI_20) {
- unsigned char sr2b = 0, sr2c = 0;
- switch(ModeNo) {
- case 0x00:
- case 0x01: sr2b = 0x4e; sr2c = 0xe9; break;
- case 0x04:
- case 0x05:
- case 0x0d: sr2b = 0x1b; sr2c = 0xe3; break;
- }
- if(sr2b) {
- SiS_SetReg(SiS_Pr->SiS_P3c4,0x2b,sr2b);
- SiS_SetReg(SiS_Pr->SiS_P3c4,0x2c,sr2c);
- SiS_SetRegByte(SiS_Pr->SiS_P3c2,(SiS_GetRegByte(SiS_Pr->SiS_P3cc) | 0x0c));
- }
- }
- SiS_SetCRT1FIFO_310(SiS_Pr, ModeNo, ModeIdIndex);
-#endif
- break;
- }
-
- SiS_SetCRT1ModeRegs(SiS_Pr, ModeNo, ModeIdIndex, RefreshRateTableIndex);
-
-#ifdef CONFIG_FB_SIS_315
- if(SiS_Pr->ChipType == XGI_40) {
- SiS_SetupDualChip(SiS_Pr);
- }
-#endif
-
- SiS_LoadDAC(SiS_Pr, ModeNo, ModeIdIndex);
-
- if(SiS_Pr->SiS_flag_clearbuffer) {
- SiS_ClearBuffer(SiS_Pr, ModeNo);
- }
-
- if(!(SiS_Pr->SiS_VBInfo & (SetSimuScanMode | SwitchCRT2 | SetCRT2ToLCDA))) {
- SiS_WaitRetrace1(SiS_Pr);
- SiS_DisplayOn(SiS_Pr);
- }
-}
-
-/*********************************************/
-/* HELPER: VIDEO BRIDGE PROG CLK */
-/*********************************************/
-
-static void
-SiS_InitVB(struct SiS_Private *SiS_Pr)
-{
- unsigned char *ROMAddr = SiS_Pr->VirtualRomBase;
-
- SiS_Pr->Init_P4_0E = 0;
- if(SiS_Pr->SiS_ROMNew) {
- SiS_Pr->Init_P4_0E = ROMAddr[0x82];
- } else if(SiS_Pr->ChipType >= XGI_40) {
- if(SiS_Pr->SiS_XGIROM) {
- SiS_Pr->Init_P4_0E = ROMAddr[0x80];
- }
- }
-}
-
-static void
-SiS_ResetVB(struct SiS_Private *SiS_Pr)
-{
-#ifdef CONFIG_FB_SIS_315
- unsigned char *ROMAddr = SiS_Pr->VirtualRomBase;
- unsigned short temp;
-
- /* VB programming clock */
- if(SiS_Pr->SiS_UseROM) {
- if(SiS_Pr->ChipType < 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(SiS_Pr->ChipType >= SIS_661 && SiS_Pr->ChipType < XGI_20) {
- temp = ROMAddr[0x7e] | 0x40;
- if(SiS_Pr->SiS_ROMNew) temp = ROMAddr[0x80] | 0x40;
- SiS_SetReg(SiS_Pr->SiS_Part1Port,0x02,temp);
- }
- } else if(SiS_Pr->ChipType >= XGI_40) {
- temp = 0x40;
- if(SiS_Pr->SiS_XGIROM) temp |= ROMAddr[0x7e];
- /* Can we do this on any chipset? */
- SiS_SetReg(SiS_Pr->SiS_Part1Port,0x02,temp);
- }
-#endif
-}
-
-/*********************************************/
-/* HELPER: SET VIDEO/CAPTURE REGISTERS */
-/*********************************************/
-
-static void
-SiS_StrangeStuff(struct SiS_Private *SiS_Pr)
-{
- /* SiS65x and XGI set up some sort of "lock mode" for text
- * which locks CRT2 in some way to CRT1 timing. Disable
- * this here.
- */
-#ifdef CONFIG_FB_SIS_315
- if((IS_SIS651) || (IS_SISM650) ||
- SiS_Pr->ChipType == SIS_340 ||
- SiS_Pr->ChipType == XGI_40) {
- 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 !!! */
-#endif
-}
-
-/*********************************************/
-/* HELPER: SET AGP TIMING FOR SiS760 */
-/*********************************************/
-
-static void
-SiS_Handle760(struct SiS_Private *SiS_Pr)
-{
-#ifdef CONFIG_FB_SIS_315
- unsigned int somebase;
- unsigned char temp1, temp2, temp3;
-
- if( (SiS_Pr->ChipType != SIS_760) ||
- ((SiS_GetReg(SiS_Pr->SiS_P3d4, 0x5c) & 0xf8) != 0x80) ||
- (!(SiS_Pr->SiS_SysFlags & SF_760LFB)) ||
- (!(SiS_Pr->SiS_SysFlags & SF_760UMA)) )
- return;
-
- somebase = sisfb_read_mio_pci_word(SiS_Pr, 0x74);
- somebase &= 0xffff;
-
- if(somebase == 0) return;
-
- temp3 = SiS_GetRegByte((somebase + 0x85)) & 0xb7;
-
- if(SiS_GetReg(SiS_Pr->SiS_P3d4,0x31) & 0x40) {
- temp1 = 0x21;
- temp2 = 0x03;
- temp3 |= 0x08;
- } else {
- temp1 = 0x25;
- temp2 = 0x0b;
- }
-
- sisfb_write_nbridge_pci_byte(SiS_Pr, 0x7e, temp1);
- sisfb_write_nbridge_pci_byte(SiS_Pr, 0x8d, temp2);
-
- SiS_SetRegByte((somebase + 0x85), temp3);
-#endif
-}
-
-/*********************************************/
-/* SiSSetMode() */
-/*********************************************/
-
-bool
-SiSSetMode(struct SiS_Private *SiS_Pr, unsigned short ModeNo)
-{
- SISIOADDRESS BaseAddr = SiS_Pr->IOAddress;
- unsigned short RealModeNo, ModeIdIndex;
- unsigned char backupreg = 0;
- unsigned short KeepLockReg;
-
- SiS_Pr->UseCustomMode = false;
- SiS_Pr->CRT1UsesCustomMode = false;
-
- SiS_Pr->SiS_flag_clearbuffer = 0;
-
- if(SiS_Pr->UseCustomMode) {
- ModeNo = 0xfe;
- } else {
- if(!(ModeNo & 0x80)) SiS_Pr->SiS_flag_clearbuffer = 1;
- ModeNo &= 0x7f;
- }
-
- /* Don't use FSTN mode for CRT1 */
- RealModeNo = ModeNo;
- if(ModeNo == 0x5b) ModeNo = 0x56;
-
- SiSInitPtr(SiS_Pr);
- SiSRegInit(SiS_Pr, BaseAddr);
- SiS_GetSysFlags(SiS_Pr);
-
- SiS_Pr->SiS_VGAINFO = 0x11;
-
- KeepLockReg = SiS_GetReg(SiS_Pr->SiS_P3c4,0x05);
- SiS_SetReg(SiS_Pr->SiS_P3c4,0x05,0x86);
-
- SiSInitPCIetc(SiS_Pr);
- SiSSetLVDSetc(SiS_Pr);
- SiSDetermineROMUsage(SiS_Pr);
-
- SiS_UnLockCRT2(SiS_Pr);
-
- if(!SiS_Pr->UseCustomMode) {
- if(!(SiS_SearchModeID(SiS_Pr, &ModeNo, &ModeIdIndex))) return false;
- } else {
- ModeIdIndex = 0;
- }
-
- SiS_GetVBType(SiS_Pr);
-
- /* Init/restore some VB registers */
- SiS_InitVB(SiS_Pr);
- if(SiS_Pr->SiS_VBType & VB_SIS30xBLV) {
- if(SiS_Pr->ChipType >= SIS_315H) {
- SiS_ResetVB(SiS_Pr);
- 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, (SiS_Pr->UseCustomMode) ? 0 : 1);
- SiS_SetYPbPr(SiS_Pr);
- SiS_SetTVMode(SiS_Pr, ModeNo, ModeIdIndex);
- SiS_GetLCDResInfo(SiS_Pr, ModeNo, ModeIdIndex);
- SiS_SetLowModeTest(SiS_Pr, ModeNo);
-
- /* Check memory size (kernel framebuffer driver only) */
- if(!SiS_CheckMemorySize(SiS_Pr, ModeNo, ModeIdIndex)) {
- return false;
- }
-
- SiS_OpenCRTC(SiS_Pr);
-
- 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, 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, RealModeNo);
- }
- }
-
- SiS_HandleCRT1(SiS_Pr);
-
- SiS_StrangeStuff(SiS_Pr);
-
- SiS_DisplayOn(SiS_Pr);
- SiS_SetRegByte(SiS_Pr->SiS_P3c6,0xFF);
-
-#ifdef CONFIG_FB_SIS_315
- if(SiS_Pr->ChipType >= SIS_315H) {
- if(SiS_Pr->SiS_IF_DEF_LVDS == 1) {
- if(!(SiS_IsDualEdge(SiS_Pr))) {
- SiS_SetRegAND(SiS_Pr->SiS_Part1Port,0x13,0xfb);
- }
- }
- }
-#endif
-
- if(SiS_Pr->SiS_VBType & VB_SIS30xBLV) {
- if(SiS_Pr->ChipType >= SIS_315H) {
-#ifdef CONFIG_FB_SIS_315
- if(!SiS_Pr->SiS_ROMNew) {
- if(SiS_IsVAMode(SiS_Pr)) {
- 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);
- }
-#endif
- } else if((SiS_Pr->ChipType == SIS_630) ||
- (SiS_Pr->ChipType == SIS_730)) {
- SiS_SetReg(SiS_Pr->SiS_P3d4,0x35,backupreg);
- }
- }
-
- SiS_CloseCRTC(SiS_Pr);
-
- SiS_Handle760(SiS_Pr);
-
- /* We never lock registers in XF86 */
- if(KeepLockReg != 0xA1) SiS_SetReg(SiS_Pr->SiS_P3c4,0x05,0x00);
-
- return true;
-}
-
-#ifndef GETBITSTR
-#define GENBITSMASK(mask) GENMASK(1?mask,0?mask)
-#define GETBITS(var,mask) (((var) & GENBITSMASK(mask)) >> (0?mask))
-#define GETBITSTR(val,from,to) ((GETBITS(val,from)) << (0?to))
-#endif
-
-void
-SiS_CalcCRRegisters(struct SiS_Private *SiS_Pr, int depth)
-{
- int x = 1; /* Fix sync */
-
- 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 - x) & 0x100) >> 6)
- | (((SiS_Pr->CVBlankStart- 1) & 0x100) >> 5)
- | 0x10
- | (((SiS_Pr->CVTotal - 2) & 0x200) >> 4)
- | (((SiS_Pr->CVDisplay - 1) & 0x200) >> 3)
- | (((SiS_Pr->CVSyncStart - x) & 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;
- }
-
- SiS_Pr->CCRT1CRTC[8] = (SiS_Pr->CVSyncStart - x) & 0xFF; /* CR10 */
- SiS_Pr->CCRT1CRTC[9] = ((SiS_Pr->CVSyncEnd - x) & 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 -x), 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(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
- unsigned short ModeIdIndex)
-{
- unsigned short modeflag, tempax, tempbx = 0, remaining = 0;
- unsigned short VGAHDE = SiS_Pr->SiS_VGAHDE;
- int i, j;
-
- /* 1:1 data: use data set by setcrt1crtc() */
- if(SiS_Pr->SiS_LCDInfo & LCDPass11) return;
-
- modeflag = SiS_GetModeFlag(SiS_Pr, ModeNo, ModeIdIndex);
-
- 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;
-
- if(SiS_Pr->ChipType < SIS_315H) {
-#ifdef CONFIG_FB_SIS_300
- tempbx = SiS_Pr->SiS_VGAHT;
- if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) {
- tempbx = SiS_Pr->PanelHT;
- }
- if(modeflag & HalfDCLK) tempbx >>= 1;
- remaining = tempbx % 8;
-#endif
- } else {
-#ifdef CONFIG_FB_SIS_315
- /* OK for LCDA, LVDS */
- 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;
-#endif
- }
- SiS_Pr->CHTotal = SiS_Pr->CHBlankEnd = tempbx;
-
- if(SiS_Pr->ChipType < SIS_315H) {
-#ifdef CONFIG_FB_SIS_300
- if(SiS_Pr->SiS_VGAHDE == SiS_Pr->PanelXRes) {
- SiS_Pr->CHSyncStart = SiS_Pr->SiS_VGAHDE + ((SiS_Pr->PanelHRS + 1) & ~1);
- SiS_Pr->CHSyncEnd = SiS_Pr->CHSyncStart + SiS_Pr->PanelHRE;
- if(modeflag & HalfDCLK) {
- SiS_Pr->CHSyncStart >>= 1;
- SiS_Pr->CHSyncEnd >>= 1;
- }
- } else if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) {
- tempax = (SiS_Pr->PanelXRes - SiS_Pr->SiS_VGAHDE) >> 1;
- tempbx = (SiS_Pr->PanelHRS + 1) & ~1;
- if(modeflag & HalfDCLK) {
- tempax >>= 1;
- tempbx >>= 1;
- }
- SiS_Pr->CHSyncStart = (VGAHDE + tempax + tempbx + 7) & ~7;
- tempax = SiS_Pr->PanelHRE + 7;
- if(modeflag & HalfDCLK) tempax >>= 1;
- SiS_Pr->CHSyncEnd = (SiS_Pr->CHSyncStart + tempax) & ~7;
- } else {
- SiS_Pr->CHSyncStart = SiS_Pr->SiS_VGAHDE;
- if(modeflag & HalfDCLK) {
- SiS_Pr->CHSyncStart >>= 1;
- tempax = ((SiS_Pr->CHTotal - SiS_Pr->CHSyncStart) / 3) << 1;
- SiS_Pr->CHSyncEnd = SiS_Pr->CHSyncStart + tempax;
- } else {
- SiS_Pr->CHSyncEnd = (SiS_Pr->CHSyncStart + (SiS_Pr->CHTotal / 10) + 7) & ~7;
- SiS_Pr->CHSyncStart += 8;
- }
- }
-#endif
- } else {
-#ifdef CONFIG_FB_SIS_315
- tempax = VGAHDE;
- 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;
-#endif
- }
-
- tempbx = SiS_Pr->PanelVT - SiS_Pr->PanelYRes;
- tempax = SiS_Pr->SiS_VGAVDE;
- if(SiS_Pr->SiS_LCDInfo & DontExpandLCD) {
- tempax = SiS_Pr->PanelYRes;
- } else if(SiS_Pr->ChipType < SIS_315H) {
-#ifdef CONFIG_FB_SIS_300
- /* Stupid hack for 640x400/320x200 */
- if(SiS_Pr->SiS_LCDResInfo == Panel_1024x768) {
- if((tempax + tempbx) == 438) tempbx += 16;
- } else if((SiS_Pr->SiS_LCDResInfo == Panel_800x600) ||
- (SiS_Pr->SiS_LCDResInfo == Panel_1024x600)) {
- tempax = 0;
- tempbx = SiS_Pr->SiS_VGAVT;
- }
-#endif
- }
- 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;
- if(SiS_Pr->ChipType < SIS_315H) {
- SiS_Pr->CVSyncStart--;
- SiS_Pr->CVSyncEnd--;
- }
-
- SiS_CalcCRRegisters(SiS_Pr, 8);
- SiS_Pr->CCRT1CRTC[15] &= ~0xF8;
- SiS_Pr->CCRT1CRTC[15] |= (remaining << 4);
- 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);
-
-}
-
-void
-SiS_Generic_ConvertCRData(struct SiS_Private *SiS_Pr, unsigned char *crdata,
- int xres, int yres,
- struct fb_var_screeninfo *var, bool writeres
-)
-{
- unsigned short HRE, HBE, HRS, HBS, HDE, HT;
- unsigned short VRE, VBE, VRS, VBS, VDE, VT;
- unsigned char sr_data, cr_data, cr_data2;
- int A, B, C, D, E, F, temp;
-
- sr_data = crdata[14];
-
- /* Horizontal total */
- HT = crdata[0] | ((unsigned short)(sr_data & 0x03) << 8);
- A = HT + 5;
-
- /* Horizontal display enable end */
- HDE = crdata[1] | ((unsigned short)(sr_data & 0x0C) << 6);
- E = HDE + 1;
-
- /* Horizontal retrace (=sync) start */
- HRS = crdata[4] | ((unsigned short)(sr_data & 0xC0) << 2);
- F = HRS - E - 3;
-
- /* Horizontal blank start */
- HBS = crdata[2] | ((unsigned short)(sr_data & 0x30) << 4);
-
- sr_data = crdata[15];
- cr_data = crdata[5];
-
- /* Horizontal blank end */
- HBE = (crdata[3] & 0x1f) |
- ((unsigned short)(cr_data & 0x80) >> 2) |
- ((unsigned short)(sr_data & 0x03) << 6);
-
- /* Horizontal retrace (=sync) end */
- HRE = (cr_data & 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(writeres) var->xres = xres = E * 8;
- var->left_margin = D * 8;
- var->right_margin = F * 8;
- var->hsync_len = C * 8;
-
- /* Vertical */
- sr_data = crdata[13];
- cr_data = crdata[7];
-
- /* Vertical total */
- VT = crdata[6] |
- ((unsigned short)(cr_data & 0x01) << 8) |
- ((unsigned short)(cr_data & 0x20) << 4) |
- ((unsigned short)(sr_data & 0x01) << 10);
- A = VT + 2;
-
- /* Vertical display enable end */
- VDE = crdata[10] |
- ((unsigned short)(cr_data & 0x02) << 7) |
- ((unsigned short)(cr_data & 0x40) << 3) |
- ((unsigned short)(sr_data & 0x02) << 9);
- E = VDE + 1;
-
- /* Vertical retrace (=sync) start */
- VRS = crdata[8] |
- ((unsigned short)(cr_data & 0x04) << 6) |
- ((unsigned short)(cr_data & 0x80) << 2) |
- ((unsigned short)(sr_data & 0x08) << 7);
- F = VRS + 1 - E;
-
- cr_data2 = (crdata[16] & 0x01) << 5;
-
- /* Vertical blank start */
- VBS = crdata[11] |
- ((unsigned short)(cr_data & 0x08) << 5) |
- ((unsigned short)(cr_data2 & 0x20) << 4) |
- ((unsigned short)(sr_data & 0x04) << 8);
-
- /* Vertical blank end */
- VBE = crdata[12] | ((unsigned short)(sr_data & 0x10) << 4);
- temp = VBE - ((E - 1) & 511);
- B = (temp > 0) ? temp : (temp + 512);
-
- /* Vertical retrace (=sync) end */
- VRE = (crdata[9] & 0x0f) | ((sr_data & 0x20) >> 1);
- temp = VRE - ((E + F - 1) & 31);
- C = (temp > 0) ? temp : (temp + 32);
-
- D = B - F - C;
-
- if(writeres) var->yres = yres = E;
- var->upper_margin = D;
- var->lower_margin = F;
- var->vsync_len = C;
-
- if((xres == 320) && ((yres == 200) || (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)
- */
- var->left_margin = (400 - 376);
- var->right_margin = (328 - 320);
- var->hsync_len = (376 - 328);
-
- }
-
-}
-
-
-
-