/* $XFree86$ */
/* $XdotOrg$ */
/*
* 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 ) && (LCDheight >= 600 ))) {
if (VDisplay == 300 ) ModeIndex = ModeIndex_400x300[Depth];
}
break ;
case 512 :
if ((!(VBFlags & CRT1_LCDA)) || ((LCDwidth >= 1024 ) && (LCDheight >= 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];
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 (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_P3c4,0 x01,0 xDF);
}
void
SiS_DisplayOff(struct SiS_Private *SiS_Pr)
{
SiS_SetRegOR(SiS_Pr->SiS_P3c4,0 x01,0 x20);
}
/*********************************************/
/* HELPER: Init Port Addresses */
/*********************************************/
void
SiSRegInit(struct SiS_Private *SiS_Pr, SISIOADDRESS BaseAddr)
{
SiS_Pr->SiS_P3c4 = BaseAddr + 0 x14;
SiS_Pr->SiS_P3d4 = BaseAddr + 0 x24;
SiS_Pr->SiS_P3c0 = BaseAddr + 0 x10;
SiS_Pr->SiS_P3ce = BaseAddr + 0 x1e;
SiS_Pr->SiS_P3c2 = BaseAddr + 0 x12;
SiS_Pr->SiS_P3ca = BaseAddr + 0 x1a;
SiS_Pr->SiS_P3c6 = BaseAddr + 0 x16;
SiS_Pr->SiS_P3c7 = BaseAddr + 0 x17;
SiS_Pr->SiS_P3c8 = BaseAddr + 0 x18;
SiS_Pr->SiS_P3c9 = BaseAddr + 0 x19;
SiS_Pr->SiS_P3cb = BaseAddr + 0 x1b;
SiS_Pr->SiS_P3cc = BaseAddr + 0 x1c;
SiS_Pr->SiS_P3cd = BaseAddr + 0 x1d;
SiS_Pr->SiS_P3da = BaseAddr + 0 x2a;
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 + 0 x14;
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 = 0 x63;
if (SiS_Pr->ChipType >= SIS_330) {
SiS_Pr->SiS_MyCR63 = 0 x53;
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_P3d4,0 x5f) & 0 xf0;
SiS_SetRegAND(SiS_Pr->SiS_P3d4,0 x5c,0 x07);
temp1 = SiS_GetReg(SiS_Pr->SiS_P3d4,0 x5c) & 0 xf8;
SiS_SetRegOR(SiS_Pr->SiS_P3d4,0 x5c,0 xf8);
temp2 = SiS_GetReg(SiS_Pr->SiS_P3d4,0 x5c) & 0 xf8;
if ((!temp1) || (temp2)) {
switch (cr5f) {
case 0 x80:
case 0 x90:
case 0 xc0:
SiS_Pr->SiS_SysFlags |= SF_IsM650;
break ;
case 0 xa0:
case 0 xb0:
case 0 xe0:
SiS_Pr->SiS_SysFlags |= SF_Is651;
break ;
}
} else {
switch (cr5f) {
case 0 x90:
temp1 = SiS_GetReg(SiS_Pr->SiS_P3d4,0 x5c) & 0 xf8;
switch (temp1) {
case 0 x00: SiS_Pr->SiS_SysFlags |= SF_IsM652; break ;
case 0 x40: SiS_Pr->SiS_SysFlags |= SF_IsM653; break ;
default : SiS_Pr->SiS_SysFlags |= SF_IsM650; break ;
}
break ;
case 0 xb0:
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_P3d4,0 x78) & 0 x30) {
SiS_Pr->SiS_SysFlags |= SF_760LFB;
}
if (SiS_GetReg(SiS_Pr->SiS_P3d4,0 x79) & 0 xf0) {
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_P3c4,0 x20,0 xa1);
/* - Enable 2D (0x40)
* - Enable 3D (0x02)
* - Enable 3D Vertex command fetch (0x10) ?
* - Enable 3D command parser (0x08) ?
*/
SiS_SetRegOR(SiS_Pr->SiS_P3c4,0 x1E,0 x5A);
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_P3c4,0 x20,0 xa1);
/* - 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_P3c4,0 x1E,0 xDA);
break ;
case XGI_20:
case SIS_550:
/* See above */
SiS_SetRegOR(SiS_Pr->SiS_P3c4,0 x20,0 xa1);
/* No 3D engine ! */
/* - Enable 2D (0x40)
* - disable 3D
*/
SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0 x1E,0 x60,0 x40);
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,0 x00);
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_P3d4,0 x37) & 0 x0e) >> 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, 0 x0e);
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_P3d4,0 x37) & 0 x0e) >> 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_P3d4,0 x38) & 0 xe0) >> 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 <= 0 x13) {
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[0 x1a] == 'N' ) &&
(ROMAddr[0 x1b] == 'e' ) &&
(ROMAddr[0 x1c] == 'w' ) &&
(ROMAddr[0 x1d] == 'V' )) {
return true ;
}
romversoffs = ROMAddr[0 x16] | (ROMAddr[0 x17] << 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[0 x1a] == 'N' ) &&
(ROMAddr[0 x1b] == 'e' ) &&
(ROMAddr[0 x1c] == 'w' ) &&
(ROMAddr[0 x1d] == '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 ] == 0 xe9) && ((ROMAddr[5 ] << 8 ) | ROMAddr[4 ]) > 0 x21a)
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(0 x0102))) {
if (ROMAddr[romptr + (32 * 16 )] == 0 xff)
SiS_Pr->SiS661LCD2TableSize = 32 ;
else if (ROMAddr[romptr + (34 * 16 )] == 0 xff)
SiS_Pr->SiS661LCD2TableSize = 34 ;
else if (ROMAddr[romptr + (36 * 16 )] == 0 xff) /* 0.94, 2.05.00+ */
SiS_Pr->SiS661LCD2TableSize = 36 ;
else if ( (ROMAddr[romptr + (38 * 16 )] == 0 xff) || /* 2.00.00 - 2.02.00 */
(ROMAddr[0 x6F] & 0 x01) ) { /* 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 &= 0 x00ff;
temp = SiS_GetRegByte(SiS_Pr->SiS_P3cb) & 0 xf0;
temp |= (value >> 4 );
SiS_SetRegByte(SiS_Pr->SiS_P3cb, temp);
temp = SiS_GetRegByte(SiS_Pr->SiS_P3cd) & 0 xf0;
temp |= (value & 0 x0f);
SiS_SetRegByte(SiS_Pr->SiS_P3cd, temp);
}
static void
SiS_SetSegRegUpper(struct SiS_Private *SiS_Pr, unsigned short value)
{
unsigned short temp;
value &= 0 x00ff;
temp = SiS_GetRegByte(SiS_Pr->SiS_P3cb) & 0 x0f;
temp |= (value & 0 xf0);
SiS_SetRegByte(SiS_Pr->SiS_P3cb, temp);
temp = SiS_GetRegByte(SiS_Pr->SiS_P3cd) & 0 x0f;
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 &= 0 x07;
temp |= (temp << 4 );
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x1d,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,0 x00);
if (flag > 3 )
return ;
rev = SiS_GetReg(SiS_Pr->SiS_Part4Port,0 x01);
if (flag >= 2 ) {
SiS_Pr->SiS_VBType = VB_SIS302B;
} else if (flag == 1 ) {
if (rev >= 0 xC0) {
SiS_Pr->SiS_VBType = VB_SIS301C;
} else if (rev >= 0 xB0) {
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,0 x23);
if (!(nolcd & 0 x02)) 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 >= 0 xE0) {
flag = SiS_GetReg(SiS_Pr->SiS_Part4Port,0 x39);
if (flag == 0 xff) SiS_Pr->SiS_VBType = VB_SIS302LV;
else SiS_Pr->SiS_VBType = VB_SIS301C; /* VB_SIS302ELV; */
} else if (rev >= 0 xD0) {
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,0 x0f);
p4_25 = SiS_GetReg(SiS_Pr->SiS_Part4Port,0 x25);
p4_27 = SiS_GetReg(SiS_Pr->SiS_Part4Port,0 x27);
SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0 x0f,0 x7f);
SiS_SetRegOR(SiS_Pr->SiS_Part4Port,0 x25,0 x08);
SiS_SetRegAND(SiS_Pr->SiS_Part4Port,0 x27,0 xfd);
if (SiS_GetReg(SiS_Pr->SiS_Part4Port,0 x26) & 0 x08) {
SiS_Pr->SiS_VBType |= VB_UMC;
}
SiS_SetReg(SiS_Pr->SiS_Part4Port,0 x27,p4_27);
SiS_SetReg(SiS_Pr->SiS_Part4Port,0 x25,p4_25);
SiS_SetReg(SiS_Pr->SiS_Part4Port,0 x0f,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) & 0 x03;
} 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 ;
} else if (SiS_Pr->ChipType >= SIS_661) {
if (SiS_Pr->SiS_ROMNew) {
data = ((SiS_GetReg(SiS_Pr->SiS_P3d4,0 x78) & 0 xc0) >> 6 );
} else {
data = SiS_GetReg(SiS_Pr->SiS_P3d4,0 x78) & 0 x07;
}
} else if (IS_SIS550650740) {
data = SiS_GetReg(SiS_Pr->SiS_P3c4,0 x13) & 0 x07;
} else { /* 315, 330 */
data = SiS_GetReg(SiS_Pr->SiS_P3c4,0 x3a) & 0 x03;
if (SiS_Pr->ChipType == SIS_330) {
if (data > 1 ) {
switch (SiS_GetReg(SiS_Pr->SiS_P3d4,0 x5f) & 0 x30) {
case 0 x00: data = 1 ; break ;
case 0 x10: data = 3 ; break ;
case 0 x20: data = 3 ; break ;
case 0 x30: 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((0 x90 + (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 > 0 x13) {
memset_io(memaddr, 0 , memsize);
} else {
pBuffer = (unsigned short SISIOMEMTYPE *)memaddr;
for (i = 0 ; i < 0 x4000; i++) writew(0 x0000, &pBuffer[i]);
}
} else if (SiS_Pr->SiS_ModeType < ModeCGA) {
pBuffer = (unsigned short SISIOMEMTYPE *)memaddr;
for (i = 0 ; i < 0 x4000; i++) writew(0 x0720, &pBuffer[i]);
} else {
memset_io(memaddr, 0 , 0 x8000);
}
}
/*********************************************/
/* 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) <= 0 x13) {
if ((*ModeNo) <= 0 x05) (*ModeNo) |= 0 x01;
for ((*ModeIdIndex) = 0 ; ;(*ModeIdIndex)++) {
if (SiS_Pr->SiS_SModeIDTable[(*ModeIdIndex)].St_ModeID == (*ModeNo)) break ;
if (SiS_Pr->SiS_SModeIDTable[(*ModeIdIndex)].St_ModeID == 0 xFF) return false ;
}
if ((*ModeNo) == 0 x07) {
if (VGAINFO & 0 x10) (*ModeIdIndex)++; /* 400 lines */
/* else 350 lines */
}
if ((*ModeNo) <= 0 x03) {
if (!(VGAINFO & 0 x80)) (*ModeIdIndex)++;
if (VGAINFO & 0 x10) (*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 == 0 xFF) 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 <= 0 x13) {
index = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_StTableIndex;
} else {
if (SiS_Pr->SiS_ModeType <= ModeEGA) index = 0 x1B;
else index = 0 x0F;
}
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 != 0 x03) && (ModeNo != 0 x10) && (ModeNo != 0 x12))
return true ;
temp = SiS_GetReg(SiS_Pr->SiS_P3d4,0 x11);
SiS_SetRegOR(SiS_Pr->SiS_P3d4,0 x11,0 x80);
temp1 = SiS_GetReg(SiS_Pr->SiS_P3d4,0 x00);
SiS_SetReg(SiS_Pr->SiS_P3d4,0 x00,0 x55);
temp2 = SiS_GetReg(SiS_Pr->SiS_P3d4,0 x00);
SiS_SetReg(SiS_Pr->SiS_P3d4,0 x00,temp1);
SiS_SetReg(SiS_Pr->SiS_P3d4,0 x11,temp);
if ((SiS_Pr->ChipType >= SIS_315H) ||
(SiS_Pr->ChipType == SIS_300)) {
if (temp2 == 0 x55) return false ;
else return true ;
} else {
if (temp2 != 0 x55) return true ;
else {
SiS_SetRegOR(SiS_Pr->SiS_P3d4,0 x35,0 x01);
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_P3d4,0 x51,0 x1f);
if (IS_SIS651) SiS_SetRegOR(SiS_Pr->SiS_P3d4,0 x51,0 x20);
SiS_SetRegAND(SiS_Pr->SiS_P3d4,0 x56,0 xe7);
} else if (IS_SIS661741660760) {
SiS_SetRegAND(SiS_Pr->SiS_P3d4,0 x61,0 xf7);
SiS_SetRegAND(SiS_Pr->SiS_P3d4,0 x51,0 x1f);
SiS_SetRegAND(SiS_Pr->SiS_P3d4,0 x56,0 xe7);
if (!SiS_Pr->SiS_ROMNew) {
SiS_SetRegAND(SiS_Pr->SiS_P3d4,0 x3a,0 xef);
}
}
}
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 = 0 xa0; temp2 = 0 x08;
}
SiS_SetRegANDOR(SiS_Pr->SiS_P3d4,0 x51,0 x1f,temp1);
SiS_SetRegANDOR(SiS_Pr->SiS_P3d4,0 x56,0 xe7,temp2);
}
#endif
}
static void
SiS_HandleCRT1(struct SiS_Private *SiS_Pr)
{
/* Enable CRT1 gating */
SiS_SetRegAND(SiS_Pr->SiS_P3d4,SiS_Pr->SiS_MyCR63,0 xbf);
#if 0
if (!(SiS_GetReg(SiS_Pr->SiS_P3c4,0 x15) & 0 x01)) {
if ((SiS_GetReg(SiS_Pr->SiS_P3c4,0 x15) & 0 x0a) ||
(SiS_GetReg(SiS_Pr->SiS_P3c4,0 x16) & 0 x01)) {
SiS_SetRegOR(SiS_Pr->SiS_P3d4,SiS_Pr->SiS_MyCR63,0 x40);
}
}
#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 == 0 xfe) {
modeflag = SiS_Pr->CModeFlag;
} else if (ModeNo <= 0 x13) {
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_P3c4,0 x00,0 x03);
/* or "display off" */
SRdata = SiS_Pr->SiS_StandTable[StandTableIndex].SR[0 ] | 0 x20;
/* 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 |= 0 x01;
} else if (SiS_Pr->SiS_VBInfo & SetCRT2ToLCDA) SRdata |= 0 x01;
}
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x01,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 |= 0 x0C;
}
}
}
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_P3d4,0 x11,0 x7f);
for (i = 0 ; i <= 0 x18; 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 = 0 x13; i <= 0 x14; 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 >= 0 x30) ) {
if (SiS_Pr->SiS_VBInfo & SetInSlaveMode) {
if (SiS_Pr->SiS_VBInfo & (SetCRT2ToLCD | SetCRT2ToTV)) {
SiS_SetReg(SiS_Pr->SiS_P3d4,0 x18,0 xFE);
}
}
}
}
/*********************************************/
/* ATT */
/*********************************************/
static void
SiS_SetATTRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex)
{
unsigned char ARdata;
unsigned short i;
for (i = 0 ; i <= 0 x13; i++) {
ARdata = SiS_Pr->SiS_StandTable[StandTableIndex].ATTR[i];
if (i == 0 x13) {
/* 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_P3c0,0 x14); /* set index */
SiS_SetRegByte(SiS_Pr->SiS_P3c0,0 x00); /* set data */
SiS_GetRegByte(SiS_Pr->SiS_P3da);
SiS_SetRegByte(SiS_Pr->SiS_P3c0,0 x20); /* 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 <= 0 x08; 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,0 x05,0 xBF);
}
}
/*********************************************/
/* CLEAR EXTENDED REGISTERS */
/*********************************************/
static void
SiS_ClearExt1Regs(struct SiS_Private *SiS_Pr, unsigned short ModeNo)
{
unsigned short i;
for (i = 0 x0A; i <= 0 x0E; i++) {
SiS_SetReg(SiS_Pr->SiS_P3c4,i,0 x00);
}
if (SiS_Pr->ChipType >= SIS_315H) {
SiS_SetRegAND(SiS_Pr->SiS_P3c4,0 x37,0 xFE);
if (ModeNo <= 0 x13) {
if (ModeNo == 0 x06 || ModeNo >= 0 x0e) {
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x0e,0 x20);
}
}
}
}
/*********************************************/
/* 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_P3c4,0 x31,0 xcf,0 x20);
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x2B,SiS_Pr->SiS_VCLKData[1 ].SR2B);
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x2C,SiS_Pr->SiS_VCLKData[1 ].SR2C);
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x2D,0 x80);
SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0 x31,0 xcf,0 x10);
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x2B,SiS_Pr->SiS_VCLKData[0 ].SR2B);
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x2C,SiS_Pr->SiS_VCLKData[0 ].SR2C);
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x2D,0 x80);
}
/*********************************************/
/* 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 &= 0 xC0;
sync |= 0 x2f;
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 == 0 x20) && (SiS_Pr->Alternate1600x1200)) temp = 0 x57;
crt1data = (unsigned char *)&SiS_Pr->SiS_CRT1Table[temp].CR[0 ];
}
/* unlock cr0-7 */
SiS_SetRegAND(SiS_Pr->SiS_P3d4,0 x11,0 x7f);
for (i = 0 , j = 0 ; i <= 7 ; i++, j++) {
SiS_SetReg(SiS_Pr->SiS_P3d4,j,crt1data[i]);
}
for (j = 0 x10; i <= 10 ; i++, j++) {
SiS_SetReg(SiS_Pr->SiS_P3d4,j,crt1data[i]);
}
for (j = 0 x15; i <= 12 ; i++, j++) {
SiS_SetReg(SiS_Pr->SiS_P3d4,j,crt1data[i]);
}
for (j = 0 x0A; i <= 15 ; i++, j++) {
SiS_SetReg(SiS_Pr->SiS_P3c4,j,crt1data[i]);
}
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x0E,crt1data[16 ] & 0 xE0);
temp = (crt1data[16 ] & 0 x01) << 5 ;
if (modeflag & DoubleScanMode) temp |= 0 x80;
SiS_SetRegANDOR(SiS_Pr->SiS_P3d4,0 x09,0 x5F,temp);
if (SiS_Pr->SiS_ModeType > ModeVGA) {
SiS_SetReg(SiS_Pr->SiS_P3d4,0 x14,0 x4F);
}
#ifdef CONFIG_FB_SIS_315
if (SiS_Pr->ChipType == XGI_20) {
SiS_SetReg(SiS_Pr->SiS_P3d4,0 x04,crt1data[4 ] - 1 );
if (!(temp = crt1data[5 ] & 0 x1f)) {
SiS_SetRegAND(SiS_Pr->SiS_P3c4,0 x0c,0 xfb);
}
SiS_SetRegANDOR(SiS_Pr->SiS_P3d4,0 x05,0 xe0,((temp - 1 ) & 0 x1f));
temp = (crt1data[16 ] >> 5 ) + 3 ;
if (temp > 7 ) temp -= 7 ;
SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0 x0e,0 x1f,(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 ) & 0 x0f;
SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0 x0E,0 xF0,temp);
SiS_SetReg(SiS_Pr->SiS_P3d4,0 x13,DisplayUnit & 0 xFF);
if (infoflag & InterlaceMode) DisplayUnit >>= 1 ;
DisplayUnit <<= 5 ;
temp = (DisplayUnit >> 8 ) + 1 ;
if (DisplayUnit & 0 xff) temp++;
if (SiS_Pr->ChipType == XGI_20) {
if (ModeNo == 0 x4a || ModeNo == 0 x49) temp--;
}
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x10,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 == 0 x21) && (SiS_Pr->Alternate1600x1200)) index = 0 x72;
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_P3c4,0 x31,0 xCF);
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x2b,clka);
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x2c,clkb);
if (SiS_Pr->ChipType >= SIS_315H) {
#ifdef CONFIG_FB_SIS_315
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x2D,0 x01);
if (SiS_Pr->ChipType == XGI_20) {
unsigned short mf = SiS_GetModeFlag(SiS_Pr, ModeNo, ModeIdIndex);
if (mf & HalfDCLK) {
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x2b,SiS_GetReg(SiS_Pr->SiS_P3c4,0 x2b));
clkb = SiS_GetReg(SiS_Pr->SiS_P3c4,0 x2c);
clkb = (((clkb & 0 x1f) << 1 ) + 1 ) | (clkb & 0 xe0);
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x2c,clkb);
}
}
#endif
} else {
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x2D,0 x80);
}
}
/*********************************************/
/* 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_P3c4,0 x18) & 0 x62) >> 1 ;
(*idx2) = (unsigned short )(ThTiming[((temp2 >> 3 ) | temp1) & 0 x07]);
(*idx1) = (unsigned short )(SiS_GetReg(SiS_Pr->SiS_P3c4,0 x16) >> 6 ) & 0 x03;
(*idx1) |= (unsigned short )(((SiS_GetReg(SiS_Pr->SiS_P3c4,0 x14) >> 4 ) & 0 x0c));
(*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 > 0 x13) {
/* 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_P3c4,0 x3A) & 0 x07;
MCLK = SiS_Pr->SiS_MCLKData_0[index].CLOCK;
temp = SiS_GetReg(SiS_Pr->SiS_P3d4,0 x35) & 0 xc3;
SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0 x16,0 x3c,temp);
do {
ThresholdLow = SiS_CalcDelay(SiS_Pr, VCLK, colorth, MCLK) + 1 ;
if (ThresholdLow < 0 x13) break ;
SiS_SetRegAND(SiS_Pr->SiS_P3c4,0 x16,0 xfc);
ThresholdLow = 0 x13;
temp = SiS_GetReg(SiS_Pr->SiS_P3c4,0 x16) >> 6 ;
if (!temp) break ;
SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0 x16,0 x3f,((temp - 1 ) << 6 ));
} while (0 );
} else ThresholdLow = 2 ;
/* Write CRT/CPU threshold low, CRT/Engine threshold high */
temp = (ThresholdLow << 4 ) | 0 x0f;
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x08,temp);
temp = (ThresholdLow & 0 x10) << 1 ;
if (ModeNo > 0 x13) temp |= 0 x40;
SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0 x0f,0 x9f,temp);
/* What is this? */
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x3B,0 x09);
/* Write CRT/CPU threshold high */
temp = ThresholdLow + 3 ;
if (temp > 0 x0f) temp = 0 x0f;
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x09,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 & 0 x0f) * 3 ) + ((key & 0 xc0) >> 6 );
} else {
index = (key & 0 xe0) >> 5 ;
if (key & 0 x10) index += 6 ;
if (!(key & 0 x01)) index += 24 ;
if (SiS_GetReg(SiS_Pr->SiS_P3c4,0 x14) & 0 x80) 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 ] = {
0 x01,0 x21,0 x41,0 x61,0 x81,
0 x31,0 x51,0 x71,0 x91,0 xb1,
0 x00,0 x20,0 x40,0 x60,0 x80,
0 x30,0 x50,0 x70,0 x90,0 xb0,
0 xff
};
static const unsigned char FQBQData730[16 ] = {
0 x34,0 x74,0 xb4,
0 x23,0 x63,0 xa3,
0 x12,0 x52,0 x92,
0 x01,0 x41,0 x81,
0 x00,0 x40,0 x80,
0 xff
};
static const unsigned short colortharray[6 ] = {
1 , 1 , 2 , 2 , 3 , 4
};
i = 0 ;
if (SiS_Pr->ChipType == SIS_730)
queuedata = &FQBQData730[0 ];
else
queuedata = &FQBQData[0 ];
if (ModeNo > 0 x13) {
/* 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_P3c4,0 x1A) & 0 x07;
MCLK16 = SiS_Pr->SiS_MCLKData_0[data].CLOCK * 16 ;
/* Get half colordepth */
colorth = colortharray[(SiS_Pr->SiS_ModeType - ModeEGA)];
do {
templ = SiS_CalcDelay2(SiS_Pr, queuedata[i]) * VCLK * colorth;
datal = templ % MCLK16;
templ = (templ / MCLK16) + 1 ;
if (datal) templ++;
if (templ > 0 x13) {
if (queuedata[i + 1 ] == 0 xFF) {
ThresholdLow = 0 x13;
break ;
}
i++;
} else {
ThresholdLow = templ;
break ;
}
} while (queuedata[i] != 0 xFF);
} else {
if (SiS_Pr->ChipType != SIS_730) i = 9 ;
ThresholdLow = 0 x02;
}
/* Write CRT/CPU threshold low, CRT/Engine threshold high */
data = ((ThresholdLow & 0 x0f) << 4 ) | 0 x0f;
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x08,data);
data = (ThresholdLow & 0 x10) << 1 ;
SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0 x0F,0 xDF,data);
/* What is this? */
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x3B,0 x09);
/* Write CRT/CPU threshold high (gap = 3) */
data = ThresholdLow + 3 ;
if (data > 0 x0f) data = 0 x0f;
SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0 x09,0 x80,data);
/* Write foreground and background queue */
templ = sisfb_read_nbridge_pci_dword(SiS_Pr, 0 x50);
if (SiS_Pr->ChipType == SIS_730) {
templ &= 0 xfffff9ff;
templ |= ((queuedata[i] & 0 xc0) << 3 );
} else {
templ &= 0 xf0ffffff;
if ( (ModeNo <= 0 x13) &&
(SiS_Pr->ChipType == SIS_630) &&
(SiS_Pr->ChipRevision >= 0 x30) ) {
templ |= 0 x0b000000;
} else {
templ |= ((queuedata[i] & 0 xf0) << 20 );
}
}
sisfb_write_nbridge_pci_dword(SiS_Pr, 0 x50, templ);
templ = sisfb_read_nbridge_pci_dword(SiS_Pr, 0 xA0);
/* GUI grant timer (PCI config 0xA3) */
if (SiS_Pr->ChipType == SIS_730) {
templ &= 0 x00ffffff;
datal = queuedata[i] << 8 ;
templ |= (((datal & 0 x0f00) | ((datal & 0 x3000) >> 8 )) << 20 );
} else {
templ &= 0 xf0ffffff;
templ |= ((queuedata[i] & 0 x0f) << 24 );
}
sisfb_write_nbridge_pci_dword(SiS_Pr, 0 xA0, 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_P3c4,0 x3D,0 xFE);
modeflag = SiS_GetModeFlag(SiS_Pr, ModeNo, ModeIdIndex);
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x08,0 xAE);
SiS_SetRegAND(SiS_Pr->SiS_P3c4,0 x09,0 xF0);
if (ModeNo > 0 x13) {
if (SiS_Pr->ChipType >= XGI_20) {
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x08,0 x34);
SiS_SetRegOR(SiS_Pr->SiS_P3c4,0 x3D,0 x01);
} else if (SiS_Pr->ChipType >= SIS_661) {
if (!(modeflag & HalfDCLK)) {
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x08,0 x34);
SiS_SetRegOR(SiS_Pr->SiS_P3c4,0 x3D,0 x01);
}
} else {
if ((!(modeflag & DoubleScanMode)) || (!(modeflag & HalfDCLK))) {
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x08,0 x34);
SiS_SetRegOR(SiS_Pr->SiS_P3c4,0 x3D,0 x01);
}
}
}
}
#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 > 0 x13) {
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 |= 0 x80;
SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0 x07,0 x7B,data);
data = 0 x00;
if (VCLK >= 150 ) data |= 0 x08;
SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0 x32,0 xF7,data);
#endif
} else if (SiS_Pr->ChipType < XGI_20) {
#ifdef CONFIG_FB_SIS_315
if (VCLK >= 166 ) data |= 0 x0c;
SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0 x32,0 xf3,data);
if (VCLK >= 166 ) {
SiS_SetRegAND(SiS_Pr->SiS_P3c4,0 x1f,0 xe7);
}
#endif
} else {
#ifdef CONFIG_FB_SIS_315
if (VCLK >= 200 ) data |= 0 x0c;
if (SiS_Pr->ChipType == XGI_20) data &= ~0 x04;
SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0 x32,0 xf3,data);
if (SiS_Pr->ChipType != XGI_20) {
data = SiS_GetReg(SiS_Pr->SiS_P3c4,0 x1f) & 0 xe7;
if (VCLK < 200 ) data |= 0 x10;
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x1f,data);
}
#endif
}
/* DAC speed */
if (SiS_Pr->ChipType >= SIS_661) {
SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0 x07,0 xE8,0 x10);
} else {
data = 0 x03;
if (VCLK >= 260 ) data = 0 x00;
else if (VCLK >= 160 ) data = 0 x01;
else if (VCLK >= 135 ) data = 0 x02;
if (SiS_Pr->ChipType == SIS_540) {
/* Was == 203 or < 234 which made no sense */
if (VCLK < 234 ) data = 0 x02;
}
if (SiS_Pr->ChipType < SIS_315H) {
SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0 x07,0 xFC,data);
} else {
if (SiS_Pr->ChipType > SIS_315PRO) {
if (ModeNo > 0 x13) data &= 0 xfc;
}
SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0 x07,0 xF8,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;
#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 {
if (ModeNo > 0 x13) {
infoflag = SiS_Pr->SiS_RefIndex[RRTI].Ext_InfoFlag;
}
}
/* Disable DPMS */
SiS_SetRegAND(SiS_Pr->SiS_P3c4,0 x1F,0 x3F);
data = 0 ;
if (ModeNo > 0 x13) {
if (SiS_Pr->SiS_ModeType > ModeEGA) {
data |= 0 x02;
data |= ((SiS_Pr->SiS_ModeType - ModeVGA) << 2 );
}
if (infoflag & InterlaceMode) data |= 0 x20;
}
SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0 x06,0 xC0,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_P3d4,0 x04) |
((SiS_GetReg(SiS_Pr->SiS_P3c4,0 x0b) & 0 xc0) << 2 )) - 3 ;
int hto = (SiS_GetReg(SiS_Pr->SiS_P3d4,0 x00) |
((SiS_GetReg(SiS_Pr->SiS_P3c4,0 x0b) & 0 x03) << 8 )) + 5 ;
data = hrs - (hto >> 1 ) + 3 ;
}
SiS_SetReg(SiS_Pr->SiS_P3d4,0 x19,data);
SiS_SetRegANDOR(SiS_Pr->SiS_P3d4,0 x1a,0 xFC,((data >> 8 ) & 0 x03));
}
if (modeflag & HalfDCLK) {
SiS_SetRegOR(SiS_Pr->SiS_P3c4,0 x01,0 x08);
}
data = 0 ;
if (modeflag & LineCompareOff) data = 0 x08;
if (SiS_Pr->ChipType == SIS_300) {
SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0 x0F,0 xF7,data);
} else {
if (SiS_Pr->ChipType >= XGI_20) data |= 0 x20;
if (SiS_Pr->SiS_ModeType == ModeEGA) {
if (ModeNo > 0 x13) {
data |= 0 x40;
}
}
SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0 x0F,0 xB7,data);
}
#ifdef CONFIG_FB_SIS_315
if (SiS_Pr->ChipType >= SIS_315H) {
SiS_SetRegAND(SiS_Pr->SiS_P3c4,0 x31,0 xfb);
}
if (SiS_Pr->ChipType == SIS_315PRO) {
data = SiS_Pr->SiS_SR15[(2 * 4 ) + SiS_Get310DRAMType(SiS_Pr)];
if (SiS_Pr->SiS_ModeType == ModeText) {
data &= 0 xc7;
} 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 >= 0 x50) {
data &= 0 x0f;
data |= 0 x50;
}
}
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x17,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[0 xf6];
else if (SiS_Pr->SiS_UseROM) data = ROMAddr[0 x100 + data];
else data = 0 xba;
}
if (SiS_Pr->SiS_ModeType <= ModeEGA) {
data &= 0 xc7;
} 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 >= 0 x19c) data = 0 xba;
else if (data2 >= 0 x140) data = 0 x7a;
else if (data2 >= 0 x101) data = 0 x3a;
else if (data2 >= 0 xf5) data = 0 x32;
else if (data2 >= 0 xe2) data = 0 x2a;
else if (data2 >= 0 xc4) data = 0 x22;
else if (data2 >= 0 xac) data = 0 x1a;
else if (data2 >= 0 x9e) data = 0 x12;
else if (data2 >= 0 x8e) data = 0 x0a;
else data = 0 x02;
} else {
if (data2 >= 0 x127) data = 0 xba;
else data = 0 x7a;
}
} else { /* 76x+LFB */
if (data2 >= 0 x190) data = 0 xba;
else if (data2 >= 0 xff) data = 0 x7a;
else if (data2 >= 0 xd3) data = 0 x3a;
else if (data2 >= 0 xa9) data = 0 x1a;
else if (data2 >= 0 x93) data = 0 x0a;
else data = 0 x02;
}
}
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x17,data);
}
/* XGI: Nothing. */
/* TODO: Check SiS340 */
#endif
data = 0 x60;
if (SiS_Pr->SiS_ModeType != ModeText) {
data ^= 0 x60;
if (SiS_Pr->SiS_ModeType != ModeEGA) {
data ^= 0 xA0;
}
}
SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0 x21,0 x1F,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_P3d4,0 x31) & 0 x40) {
SiS_SetReg(SiS_Pr->SiS_P3d4,0 x52,0 x2c);
} else {
SiS_SetReg(SiS_Pr->SiS_P3d4,0 x52,0 x6c);
}
} else if (SiS_Pr->ChipType == XGI_20) {
if (SiS_GetReg(SiS_Pr->SiS_P3d4,0 x31) & 0 x40) {
SiS_SetReg(SiS_Pr->SiS_P3d4,0 x52,0 x33);
} else {
SiS_SetReg(SiS_Pr->SiS_P3d4,0 x52,0 x73);
}
SiS_SetReg(SiS_Pr->SiS_P3d4,0 x51,0 x02);
}
#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 + 0 x12;
SISIOADDRESS P2_3c4 = SiS_Pr->IOAddress2 + 0 x14;
SISIOADDRESS P2_3ce = SiS_Pr->IOAddress2 + 0 x1e;
int i;
if ((SiS_Pr->ChipRevision != 0 ) ||
(!(SiS_GetReg(SiS_Pr->SiS_P3c4,0 x3a) & 0 x04)))
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_3c4,0 x05,0 x86);
SiS_SetReg(P2_3c4,0 x06,SiS_GetReg(SiS_Pr->SiS_P3c4,0 x06)); /* SR06 */
SiS_SetReg(P2_3c4,0 x21,SiS_GetReg(SiS_Pr->SiS_P3c4,0 x21)); /* SR21 */
SiS_SetRegByte(P2_3c2,SiS_GetRegByte(SiS_Pr->SiS_P3cc)); /* MISC */
SiS_SetReg(P2_3c4,0 x05,0 x00);
#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 == 0 x00) table = SiS_MDA_DAC;
else if (data == 0 x08) table = SiS_CGA_DAC;
else if (data == 0 x10) table = SiS_EGA_DAC;
else if (data == 0 x18) {
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_P3c6,0 xFF);
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,0 x00);
for (i = 0 ; i < j; i++) {
data = table[i];
for (k = 0 ; k < 3 ; k++) {
data2 = 0 ;
if (data & 0 x01) data2 += 0 x2A;
if (data & 0 x02) data2 += 0 x15;
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 != 0 xFFFF) {
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 0 x00:
case 0 x01: sr2b = 0 x4e; sr2c = 0 xe9; break ;
case 0 x04:
case 0 x05:
case 0 x0d: sr2b = 0 x1b; sr2c = 0 xe3; break ;
}
if (sr2b) {
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x2b,sr2b);
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x2c,sr2c);
SiS_SetRegByte(SiS_Pr->SiS_P3c2,(SiS_GetRegByte(SiS_Pr->SiS_P3cc) | 0 x0c));
}
}
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[0 x82];
} else if (SiS_Pr->ChipType >= XGI_40) {
if (SiS_Pr->SiS_XGIROM) {
SiS_Pr->Init_P4_0E = ROMAddr[0 x80];
}
}
}
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] | 0 x40;
if (SiS_Pr->SiS_ROMNew) temp = ROMAddr[0 x80] | 0 x40;
SiS_SetReg(SiS_Pr->SiS_Part1Port,0 x02,temp);
} else if (SiS_Pr->ChipType >= SIS_661 && SiS_Pr->ChipType < XGI_20) {
temp = ROMAddr[0 x7e] | 0 x40;
if (SiS_Pr->SiS_ROMNew) temp = ROMAddr[0 x80] | 0 x40;
SiS_SetReg(SiS_Pr->SiS_Part1Port,0 x02,temp);
}
} else if (SiS_Pr->ChipType >= XGI_40) {
temp = 0 x40;
if (SiS_Pr->SiS_XGIROM) temp |= ROMAddr[0 x7e];
/* Can we do this on any chipset? */
SiS_SetReg(SiS_Pr->SiS_Part1Port,0 x02,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, 0 x3f, 0 x00); /* Fiddle with capture regs */
SiS_SetReg(SiS_Pr->SiS_VidCapt, 0 x00, 0 x00);
SiS_SetReg(SiS_Pr->SiS_VidPlay, 0 x00, 0 x86); /* (BIOS does NOT unlock) */
SiS_SetRegAND(SiS_Pr->SiS_VidPlay, 0 x30, 0 xfe); /* Fiddle with video regs */
SiS_SetRegAND(SiS_Pr->SiS_VidPlay, 0 x3f, 0 xef);
}
/* !!! 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, 0 x5c) & 0 xf8) != 0 x80) ||
(!(SiS_Pr->SiS_SysFlags & SF_760LFB)) ||
(!(SiS_Pr->SiS_SysFlags & SF_760UMA)) )
return ;
somebase = sisfb_read_mio_pci_word(SiS_Pr, 0 x74);
somebase &= 0 xffff;
if (somebase == 0 ) return ;
temp3 = SiS_GetRegByte((somebase + 0 x85)) & 0 xb7;
if (SiS_GetReg(SiS_Pr->SiS_P3d4,0 x31) & 0 x40) {
temp1 = 0 x21;
temp2 = 0 x03;
temp3 |= 0 x08;
} else {
temp1 = 0 x25;
temp2 = 0 x0b;
}
sisfb_write_nbridge_pci_byte(SiS_Pr, 0 x7e, temp1);
sisfb_write_nbridge_pci_byte(SiS_Pr, 0 x8d, temp2);
SiS_SetRegByte((somebase + 0 x85), 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 = 0 xfe;
} else {
if (!(ModeNo & 0 x80)) SiS_Pr->SiS_flag_clearbuffer = 1 ;
ModeNo &= 0 x7f;
}
/* Don't use FSTN mode for CRT1 */
RealModeNo = ModeNo;
if (ModeNo == 0 x5b) ModeNo = 0 x56;
SiSInitPtr(SiS_Pr);
SiSRegInit(SiS_Pr, BaseAddr);
SiS_GetSysFlags(SiS_Pr);
SiS_Pr->SiS_VGAINFO = 0 x11;
KeepLockReg = SiS_GetReg(SiS_Pr->SiS_P3c4,0 x05);
SiS_SetReg(SiS_Pr->SiS_P3c4,0 x05,0 x86);
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_P3c4,0 x32,0 x10);
SiS_SetRegOR(SiS_Pr->SiS_Part2Port,0 x00,0 x0c);
backupreg = SiS_GetReg(SiS_Pr->SiS_P3d4,0 x38);
} else {
backupreg = SiS_GetReg(SiS_Pr->SiS_P3d4,0 x35);
}
}
/* 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_P3c6,0 xFF);
#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,0 x13,0 xfb);
}
}
}
#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_P3d4,0 x35,0 x01);
} else {
SiS_SetRegAND(SiS_Pr->SiS_P3d4,0 x35,0 xFE);
}
}
SiS_SetReg(SiS_Pr->SiS_P3d4,0 x38,backupreg);
if ((IS_SIS650) && (SiS_GetReg(SiS_Pr->SiS_P3d4,0 x30) & 0 xfc)) {
if ((ModeNo == 0 x03) || (ModeNo == 0 x10)) {
SiS_SetRegOR(SiS_Pr->SiS_P3d4,0 x51,0 x80);
SiS_SetRegOR(SiS_Pr->SiS_P3d4,0 x56,0 x08);
}
}
if (SiS_GetReg(SiS_Pr->SiS_P3d4,0 x30) & SetCRT2ToLCD) {
SiS_SetRegAND(SiS_Pr->SiS_P3d4,0 x38,0 xfc);
}
#endif
} else if ((SiS_Pr->ChipType == SIS_630) ||
(SiS_Pr->ChipType == SIS_730)) {
SiS_SetReg(SiS_Pr->SiS_P3d4,0 x35,backupreg);
}
}
SiS_CloseCRTC(SiS_Pr);
SiS_Handle760(SiS_Pr);
/* We never lock registers in XF86 */
if (KeepLockReg != 0 xA1) SiS_SetReg(SiS_Pr->SiS_P3c4,0 x05,0 x00);
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 ) & 0 xff; /* 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 ) & 0 x1F) | 0 x80; /* CR3 */
SiS_Pr->CCRT1CRTC[4 ] = (SiS_Pr->CHSyncStart >> 3 ) + 3 ; /* CR4 */
SiS_Pr->CCRT1CRTC[5 ] = ((((SiS_Pr->CHBlankEnd >> 3 ) - 1 ) & 0 x20) << 2 ) | /* CR5 */
(((SiS_Pr->CHSyncEnd >> 3 ) + 3 ) & 0 x1F);
SiS_Pr->CCRT1CRTC[6 ] = (SiS_Pr->CVTotal - 2 ) & 0 xFF; /* CR6 */
SiS_Pr->CCRT1CRTC[7 ] = (((SiS_Pr->CVTotal - 2 ) & 0 x100) >> 8 ) /* CR7 */
| (((SiS_Pr->CVDisplay - 1 ) & 0 x100) >> 7 )
| (((SiS_Pr->CVSyncStart - x) & 0 x100) >> 6 )
| (((SiS_Pr->CVBlankStart- 1 ) & 0 x100) >> 5 )
| 0 x10
| (((SiS_Pr->CVTotal - 2 ) & 0 x200) >> 4 )
| (((SiS_Pr->CVDisplay - 1 ) & 0 x200) >> 3 )
| (((SiS_Pr->CVSyncStart - x) & 0 x200) >> 2 );
SiS_Pr->CCRT1CRTC[16 ] = ((((SiS_Pr->CVBlankStart - 1 ) & 0 x200) >> 4 ) >> 5 ); /* CR9 */
if (depth != 8 ) {
if (SiS_Pr->CHDisplay >= 1600 ) SiS_Pr->CCRT1CRTC[16 ] |= 0 x60; /* SRE */
else if (SiS_Pr->CHDisplay >= 640 ) SiS_Pr->CCRT1CRTC[16 ] |= 0 x40;
}
SiS_Pr->CCRT1CRTC[8 ] = (SiS_Pr->CVSyncStart - x) & 0 xFF; /* CR10 */
SiS_Pr->CCRT1CRTC[9 ] = ((SiS_Pr->CVSyncEnd - x) & 0 x0F) | 0 x80; /* CR11 */
SiS_Pr->CCRT1CRTC[10 ] = (SiS_Pr->CVDisplay - 1 ) & 0 xFF; /* CR12 */
SiS_Pr->CCRT1CRTC[11 ] = (SiS_Pr->CVBlankStart - 1 ) & 0 xFF; /* CR15 */
SiS_Pr->CCRT1CRTC[12 ] = (SiS_Pr->CVBlankEnd - 1 ) & 0 xFF; /* 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 ] &= ~0 xF8;
SiS_Pr->CCRT1CRTC[15 ] |= (remaining << 4 );
SiS_Pr->CCRT1CRTC[16 ] &= ~0 xE0;
SiS_SetRegAND(SiS_Pr->SiS_P3d4,0 x11,0 x7f);
for (i = 0 , j = 0 ; i <= 7 ; i++, j++) {
SiS_SetReg(SiS_Pr->SiS_P3d4,j,SiS_Pr->CCRT1CRTC[i]);
}
for (j = 0 x10; i <= 10 ; i++, j++) {
SiS_SetReg(SiS_Pr->SiS_P3d4,j,SiS_Pr->CCRT1CRTC[i]);
}
for (j = 0 x15; i <= 12 ; i++, j++) {
SiS_SetReg(SiS_Pr->SiS_P3d4,j,SiS_Pr->CCRT1CRTC[i]);
}
for (j = 0 x0A; i <= 15 ; i++, j++) {
SiS_SetReg(SiS_Pr->SiS_P3c4,j,SiS_Pr->CCRT1CRTC[i]);
}
tempax = SiS_Pr->CCRT1CRTC[16 ] & 0 xE0;
SiS_SetRegANDOR(SiS_Pr->SiS_P3c4,0 x0E,0 x1F,tempax);
tempax = (SiS_Pr->CCRT1CRTC[16 ] & 0 x01) << 5 ;
if (modeflag & DoubleScanMode) tempax |= 0 x80;
SiS_SetRegANDOR(SiS_Pr->SiS_P3d4,0 x09,0 x5F,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, HDE;
unsigned short VRE, VBE, VRS, VDE;
unsigned char sr_data, cr_data;
int B, C, D, E, F, temp;
sr_data = crdata[14 ];
/* Horizontal display enable end */
HDE = crdata[1 ] | ((unsigned short )(sr_data & 0 x0C) << 6 );
E = HDE + 1 ;
/* Horizontal retrace (=sync) start */
HRS = crdata[4 ] | ((unsigned short )(sr_data & 0 xC0) << 2 );
F = HRS - E - 3 ;
sr_data = crdata[15 ];
cr_data = crdata[5 ];
/* Horizontal blank end */
HBE = (crdata[3 ] & 0 x1f) |
((unsigned short )(cr_data & 0 x80) >> 2 ) |
((unsigned short )(sr_data & 0 x03) << 6 );
/* Horizontal retrace (=sync) end */
HRE = (cr_data & 0 x1f) | ((sr_data & 0 x04) << 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 display enable end */
VDE = crdata[10 ] |
((unsigned short )(cr_data & 0 x02) << 7 ) |
((unsigned short )(cr_data & 0 x40) << 3 ) |
((unsigned short )(sr_data & 0 x02) << 9 );
E = VDE + 1 ;
/* Vertical retrace (=sync) start */
VRS = crdata[8 ] |
((unsigned short )(cr_data & 0 x04) << 6 ) |
((unsigned short )(cr_data & 0 x80) << 2 ) |
((unsigned short )(sr_data & 0 x08) << 7 );
F = VRS + 1 - E;
/* Vertical blank end */
VBE = crdata[12 ] | ((unsigned short )(sr_data & 0 x10) << 4 );
temp = VBE - ((E - 1 ) & 511 );
B = (temp > 0 ) ? temp : (temp + 512 );
/* Vertical retrace (=sync) end */
VRE = (crdata[9 ] & 0 x0f) | ((sr_data & 0 x20) >> 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 );
}
}
Messung V0.5 in Prozent C=95 H=93 G=93
¤ Dauer der Verarbeitung: 0.63 Sekunden
(vorverarbeitet am 2026-06-07)
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*© Formatika GbR, Deutschland