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1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 | /* * sisusb - usb kernel driver for SiS315(E) based USB2VGA dongles * * Display mode initializing code * * Copyright (C) 2001-2005 by Thomas Winischhofer, Vienna, Austria * * If distributed as part of the Linux kernel, this code is licensed under the * terms of the GPL v2. * * 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> * */ #include <linux/module.h> #include <linux/kernel.h> #include <linux/errno.h> #include <linux/poll.h> #include <linux/init.h> #include <linux/slab.h> #include <linux/spinlock.h> #include <linux/kref.h> #include "sisusb.h" #ifdef INCL_SISUSB_CON #include "sisusb_init.h" /*********************************************/ /* POINTER INITIALIZATION */ /*********************************************/ static void SiSUSB_InitPtr(struct SiS_Private *SiS_Pr) { SiS_Pr->SiS_ModeResInfo = SiSUSB_ModeResInfo; SiS_Pr->SiS_StandTable = SiSUSB_StandTable; SiS_Pr->SiS_SModeIDTable = SiSUSB_SModeIDTable; SiS_Pr->SiS_EModeIDTable = SiSUSB_EModeIDTable; SiS_Pr->SiS_RefIndex = SiSUSB_RefIndex; SiS_Pr->SiS_CRT1Table = SiSUSB_CRT1Table; SiS_Pr->SiS_VCLKData = SiSUSB_VCLKData; } /*********************************************/ /* HELPER: Get ModeID */ /*********************************************/ #if 0 unsigned short SiSUSB_GetModeID(int HDisplay, int VDisplay, int Depth) { unsigned short ModeIndex = 0; switch (HDisplay) { case 320: if (VDisplay == 200) ModeIndex = ModeIndex_320x200[Depth]; else if (VDisplay == 240) ModeIndex = ModeIndex_320x240[Depth]; break; case 400: if (VDisplay == 300) ModeIndex = ModeIndex_400x300[Depth]; break; case 512: if (VDisplay == 384) ModeIndex = ModeIndex_512x384[Depth]; break; case 640: if (VDisplay == 480) ModeIndex = ModeIndex_640x480[Depth]; else if (VDisplay == 400) ModeIndex = ModeIndex_640x400[Depth]; break; case 720: if (VDisplay == 480) ModeIndex = ModeIndex_720x480[Depth]; else if (VDisplay == 576) ModeIndex = ModeIndex_720x576[Depth]; break; case 768: if (VDisplay == 576) ModeIndex = ModeIndex_768x576[Depth]; break; case 800: if (VDisplay == 600) ModeIndex = ModeIndex_800x600[Depth]; else if (VDisplay == 480) ModeIndex = ModeIndex_800x480[Depth]; break; case 848: if (VDisplay == 480) ModeIndex = ModeIndex_848x480[Depth]; break; case 856: if (VDisplay == 480) ModeIndex = ModeIndex_856x480[Depth]; break; case 960: if (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]; break; case 1152: if (VDisplay == 864) ModeIndex = ModeIndex_1152x864[Depth]; break; case 1280: switch (VDisplay) { case 720: ModeIndex = ModeIndex_1280x720[Depth]; break; case 768: ModeIndex = ModeIndex_1280x768[Depth]; break; case 1024: ModeIndex = ModeIndex_1280x1024[Depth]; break; } } return ModeIndex; } #endif /* 0 */ /*********************************************/ /* HELPER: SetReg, GetReg */ /*********************************************/ static void SiS_SetReg(struct SiS_Private *SiS_Pr, unsigned long port, unsigned short index, unsigned short data) { sisusb_setidxreg(SiS_Pr->sisusb, port, index, data); } static void SiS_SetRegByte(struct SiS_Private *SiS_Pr, unsigned long port, unsigned short data) { sisusb_setreg(SiS_Pr->sisusb, port, data); } static unsigned char SiS_GetReg(struct SiS_Private *SiS_Pr, unsigned long port, unsigned short index) { u8 data; sisusb_getidxreg(SiS_Pr->sisusb, port, index, &data); return data; } static unsigned char SiS_GetRegByte(struct SiS_Private *SiS_Pr, unsigned long port) { u8 data; sisusb_getreg(SiS_Pr->sisusb, port, &data); return data; } static void SiS_SetRegANDOR(struct SiS_Private *SiS_Pr, unsigned long port, unsigned short index, unsigned short DataAND, unsigned short DataOR) { sisusb_setidxregandor(SiS_Pr->sisusb, port, index, DataAND, DataOR); } static void SiS_SetRegAND(struct SiS_Private *SiS_Pr, unsigned long port, unsigned short index, unsigned short DataAND) { sisusb_setidxregand(SiS_Pr->sisusb, port, index, DataAND); } static void SiS_SetRegOR(struct SiS_Private *SiS_Pr,unsigned long port, unsigned short index, unsigned short DataOR) { sisusb_setidxregor(SiS_Pr->sisusb, port, index, DataOR); } /*********************************************/ /* HELPER: DisplayOn, DisplayOff */ /*********************************************/ static void SiS_DisplayOn(struct SiS_Private *SiS_Pr) { SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x01, 0xDF); } /*********************************************/ /* HELPER: Init Port Addresses */ /*********************************************/ static void SiSUSBRegInit(struct SiS_Private *SiS_Pr, unsigned long BaseAddr) { SiS_Pr->SiS_P3c4 = BaseAddr + 0x14; SiS_Pr->SiS_P3d4 = BaseAddr + 0x24; SiS_Pr->SiS_P3c0 = BaseAddr + 0x10; SiS_Pr->SiS_P3ce = BaseAddr + 0x1e; SiS_Pr->SiS_P3c2 = BaseAddr + 0x12; SiS_Pr->SiS_P3ca = BaseAddr + 0x1a; SiS_Pr->SiS_P3c6 = BaseAddr + 0x16; SiS_Pr->SiS_P3c7 = BaseAddr + 0x17; SiS_Pr->SiS_P3c8 = BaseAddr + 0x18; SiS_Pr->SiS_P3c9 = BaseAddr + 0x19; SiS_Pr->SiS_P3cb = BaseAddr + 0x1b; SiS_Pr->SiS_P3cc = BaseAddr + 0x1c; SiS_Pr->SiS_P3cd = BaseAddr + 0x1d; SiS_Pr->SiS_P3da = BaseAddr + 0x2a; SiS_Pr->SiS_Part1Port = BaseAddr + SIS_CRT2_PORT_04; } /*********************************************/ /* HELPER: GetSysFlags */ /*********************************************/ static void SiS_GetSysFlags(struct SiS_Private *SiS_Pr) { SiS_Pr->SiS_MyCR63 = 0x63; } /*********************************************/ /* HELPER: Init PCI & Engines */ /*********************************************/ static void SiSInitPCIetc(struct SiS_Private *SiS_Pr) { SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x20, 0xa1); /* - Enable 2D (0x40) * - Enable 3D (0x02) * - Enable 3D vertex command fetch (0x10) * - Enable 3D command parser (0x08) * - Enable 3D G/L transformation engine (0x80) */ SiS_SetRegOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x1E, 0xDA); } /*********************************************/ /* HELPER: SET SEGMENT REGISTERS */ /*********************************************/ static void SiS_SetSegRegLower(struct SiS_Private *SiS_Pr, unsigned short value) { unsigned short temp; value &= 0x00ff; temp = SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3cb) & 0xf0; temp |= (value >> 4); SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3cb, temp); temp = SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3cd) & 0xf0; temp |= (value & 0x0f); SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3cd, temp); } static void SiS_SetSegRegUpper(struct SiS_Private *SiS_Pr, unsigned short value) { unsigned short temp; value &= 0x00ff; temp = SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3cb) & 0x0f; temp |= (value & 0xf0); SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3cb, temp); temp = SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3cd) & 0x0f; temp |= (value << 4); SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3cd, temp); } static void SiS_SetSegmentReg(struct SiS_Private *SiS_Pr, unsigned short value) { SiS_SetSegRegLower(SiS_Pr, value); SiS_SetSegRegUpper(SiS_Pr, value); } static void SiS_ResetSegmentReg(struct SiS_Private *SiS_Pr) { SiS_SetSegmentReg(SiS_Pr, 0); } static void SiS_SetSegmentRegOver(struct SiS_Private *SiS_Pr, unsigned short value) { unsigned short temp = value >> 8; temp &= 0x07; temp |= (temp << 4); SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x1d, temp); SiS_SetSegmentReg(SiS_Pr, value); } static void SiS_ResetSegmentRegOver(struct SiS_Private *SiS_Pr) { SiS_SetSegmentRegOver(SiS_Pr, 0); } static void SiS_ResetSegmentRegisters(struct SiS_Private *SiS_Pr) { SiS_ResetSegmentReg(SiS_Pr); SiS_ResetSegmentRegOver(SiS_Pr); } /*********************************************/ /* HELPER: SearchModeID */ /*********************************************/ static int SiS_SearchModeID(struct SiS_Private *SiS_Pr, unsigned short *ModeNo, unsigned short *ModeIdIndex) { if ((*ModeNo) <= 0x13) { if ((*ModeNo) != 0x03) return 0; (*ModeIdIndex) = 0; } else { for(*ModeIdIndex = 0; ;(*ModeIdIndex)++) { if (SiS_Pr->SiS_EModeIDTable[*ModeIdIndex].Ext_ModeID == (*ModeNo)) break; if (SiS_Pr->SiS_EModeIDTable[*ModeIdIndex].Ext_ModeID == 0xFF) return 0; } } return 1; } /*********************************************/ /* HELPER: ENABLE CRT1 */ /*********************************************/ static void SiS_HandleCRT1(struct SiS_Private *SiS_Pr) { /* Enable CRT1 gating */ SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3d4, SiS_Pr->SiS_MyCR63, 0xbf); } /*********************************************/ /* HELPER: GetColorDepth */ /*********************************************/ static 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; if (ModeNo <= 0x13) { modeflag = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ModeFlag; } else { modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag; } index = (modeflag & ModeTypeMask) - ModeEGA; if (index < 0) index = 0; return ColorDepth[index]; } /*********************************************/ /* HELPER: GetOffset */ /*********************************************/ static unsigned short SiS_GetOffset(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex, unsigned short rrti) { unsigned short xres, temp, colordepth, infoflag; 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_Pr->SiS_P3c4, 0x00, 0x03); SRdata = SiS_Pr->SiS_StandTable[StandTableIndex].SR[0] | 0x20; SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x01, SRdata); for(i = 2; i <= 4; i++) { SRdata = SiS_Pr->SiS_StandTable[StandTableIndex].SR[i-1]; SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, i, SRdata); } } /*********************************************/ /* MISC */ /*********************************************/ static void SiS_SetMiscRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex) { unsigned char Miscdata = SiS_Pr->SiS_StandTable[StandTableIndex].MISC; SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c2, Miscdata); } /*********************************************/ /* CRTC */ /*********************************************/ static void SiS_SetCRTCRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex) { unsigned char CRTCdata; unsigned short i; SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3d4, 0x11, 0x7f); for(i = 0; i <= 0x18; i++) { CRTCdata = SiS_Pr->SiS_StandTable[StandTableIndex].CRTC[i]; SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, i, CRTCdata); } } /*********************************************/ /* ATT */ /*********************************************/ static void SiS_SetATTRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex) { unsigned char ARdata; unsigned short i; for(i = 0; i <= 0x13; i++) { ARdata = SiS_Pr->SiS_StandTable[StandTableIndex].ATTR[i]; SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3da); SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c0, i); SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c0, ARdata); } SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3da); SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c0, 0x14); SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c0, 0x00); SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3da); SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c0, 0x20); SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3da); } /*********************************************/ /* GRC */ /*********************************************/ static void SiS_SetGRCRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex) { unsigned char GRdata; unsigned short i; for(i = 0; i <= 0x08; i++) { GRdata = SiS_Pr->SiS_StandTable[StandTableIndex].GRC[i]; SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3ce, i, GRdata); } if (SiS_Pr->SiS_ModeType > ModeVGA) { /* 256 color disable */ SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3ce, 0x05, 0xBF); } } /*********************************************/ /* CLEAR EXTENDED REGISTERS */ /*********************************************/ static void SiS_ClearExt1Regs(struct SiS_Private *SiS_Pr, unsigned short ModeNo) { int i; for(i = 0x0A; i <= 0x0E; i++) { SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, i, 0x00); } SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x37, 0xFE); } /*********************************************/ /* Get rate index */ /*********************************************/ static unsigned short SiS_GetRatePtr(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex) { unsigned short rrti, i, index, temp; if (ModeNo <= 0x13) return 0xFFFF; index = SiS_GetReg(SiS_Pr,SiS_Pr->SiS_P3d4, 0x33) & 0x0F; if (index > 0) index--; rrti = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].REFindex; ModeNo = SiS_Pr->SiS_RefIndex[rrti].ModeID; i = 0; do { if (SiS_Pr->SiS_RefIndex[rrti + i].ModeID != ModeNo) break; temp = SiS_Pr->SiS_RefIndex[rrti + i].Ext_InfoFlag & ModeTypeMask; if (temp < SiS_Pr->SiS_ModeType) break; i++; index--; } while(index != 0xFFFF); i--; return (rrti + i); } /*********************************************/ /* SYNC */ /*********************************************/ static void SiS_SetCRT1Sync(struct SiS_Private *SiS_Pr, unsigned short rrti) { unsigned short sync = SiS_Pr->SiS_RefIndex[rrti].Ext_InfoFlag >> 8; sync &= 0xC0; sync |= 0x2f; SiS_SetRegByte(SiS_Pr, 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 char index; unsigned short temp, i, j, modeflag; SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3d4,0x11,0x7f); modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag; index = SiS_Pr->SiS_RefIndex[rrti].Ext_CRT1CRTC; for(i = 0,j = 0; i <= 7; i++, j++) { SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, j, SiS_Pr->SiS_CRT1Table[index].CR[i]); } for(j = 0x10; i <= 10; i++, j++) { SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, j, SiS_Pr->SiS_CRT1Table[index].CR[i]); } for(j = 0x15; i <= 12; i++, j++) { SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, j, SiS_Pr->SiS_CRT1Table[index].CR[i]); } for(j = 0x0A; i <= 15; i++, j++) { SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, j, SiS_Pr->SiS_CRT1Table[index].CR[i]); } temp = SiS_Pr->SiS_CRT1Table[index].CR[16] & 0xE0; SiS_SetReg(SiS_Pr,SiS_Pr->SiS_P3c4, 0x0E, temp); temp = ((SiS_Pr->SiS_CRT1Table[index].CR[16]) & 0x01) << 5; if (modeflag & DoubleScanMode) temp |= 0x80; SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3d4, 0x09, 0x5F, temp); if (SiS_Pr->SiS_ModeType > ModeVGA) SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x14, 0x4F); } /*********************************************/ /* 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 du = SiS_GetOffset(SiS_Pr, ModeNo, ModeIdIndex, rrti); unsigned short infoflag = SiS_Pr->SiS_RefIndex[rrti].Ext_InfoFlag; unsigned short temp; temp = (du >> 8) & 0x0f; SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0E, 0xF0, temp); SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x13, (du & 0xFF)); if (infoflag & InterlaceMode) du >>= 1; du <<= 5; temp = (du >> 8) & 0xff; if (du & 0xff) temp++; temp++; SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x10, temp); } /*********************************************/ /* VCLK */ /*********************************************/ static void SiS_SetCRT1VCLK(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short rrti) { unsigned short index = SiS_Pr->SiS_RefIndex[rrti].Ext_CRTVCLK; unsigned short clka = SiS_Pr->SiS_VCLKData[index].SR2B; unsigned short clkb = SiS_Pr->SiS_VCLKData[index].SR2C; SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4,0x31,0xCF); SiS_SetReg(SiS_Pr,SiS_Pr->SiS_P3c4,0x2B,clka); SiS_SetReg(SiS_Pr,SiS_Pr->SiS_P3c4,0x2C,clkb); SiS_SetReg(SiS_Pr,SiS_Pr->SiS_P3c4,0x2D,0x01); } /*********************************************/ /* FIFO */ /*********************************************/ static void SiS_SetCRT1FIFO_310(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short mi) { unsigned short modeflag = SiS_Pr->SiS_EModeIDTable[mi].Ext_ModeFlag; /* disable auto-threshold */ SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x3D, 0xFE); SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x08, 0xAE); SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x09, 0xF0); if (ModeNo <= 0x13) return; if ((!(modeflag & DoubleScanMode)) || (!(modeflag & HalfDCLK))) { SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x08, 0x34); SiS_SetRegOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x3D, 0x01); } } /*********************************************/ /* MODE REGISTERS */ /*********************************************/ static void SiS_SetVCLKState(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short rrti) { unsigned short data = 0, VCLK = 0, index = 0; if (ModeNo > 0x13) { index = SiS_Pr->SiS_RefIndex[rrti].Ext_CRTVCLK; VCLK = SiS_Pr->SiS_VCLKData[index].CLOCK; } if (VCLK >= 166) data |= 0x0c; SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x32, 0xf3, data); if (VCLK >= 166) SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x1f, 0xe7); /* DAC speed */ data = 0x03; if (VCLK >= 260) data = 0x00; else if (VCLK >= 160) data = 0x01; else if (VCLK >= 135) data = 0x02; SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x07, 0xF8, data); } static void SiS_SetCRT1ModeRegs(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex, unsigned short rrti) { unsigned short data, infoflag = 0, modeflag; if (ModeNo <= 0x13) modeflag = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ModeFlag; else { modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag; infoflag = SiS_Pr->SiS_RefIndex[rrti].Ext_InfoFlag; } /* Disable DPMS */ SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x1F, 0x3F); data = 0; if (ModeNo > 0x13) { if (SiS_Pr->SiS_ModeType > ModeEGA) { data |= 0x02; data |= ((SiS_Pr->SiS_ModeType - ModeVGA) << 2); } if (infoflag & InterlaceMode) data |= 0x20; } SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x06, 0xC0, data); data = 0; if (infoflag & InterlaceMode) { /* data = (Hsync / 8) - ((Htotal / 8) / 2) + 3 */ unsigned short hrs = (SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x04) | ((SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0b) & 0xc0) << 2)) - 3; unsigned short hto = (SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x00) | ((SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0b) & 0x03) << 8)) + 5; data = hrs - (hto >> 1) + 3; } SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x19, (data & 0xFF)); SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3d4, 0x1a, 0xFC, (data >> 8)); if (modeflag & HalfDCLK) SiS_SetRegOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x01, 0x08); data = 0; if (modeflag & LineCompareOff) data = 0x08; SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0F, 0xB7, data); if ((SiS_Pr->SiS_ModeType == ModeEGA) && (ModeNo > 0x13)) SiS_SetRegOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0F, 0x40); SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x31, 0xfb); data = 0x60; if (SiS_Pr->SiS_ModeType != ModeText) { data ^= 0x60; if (SiS_Pr->SiS_ModeType != ModeEGA) data ^= 0xA0; } SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x21, 0x1F, data); SiS_SetVCLKState(SiS_Pr, ModeNo, rrti); if (SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x31) & 0x40) SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x52, 0x2c); else SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x52, 0x6c); } /*********************************************/ /* LOAD DAC */ /*********************************************/ static void SiS_WriteDAC(struct SiS_Private *SiS_Pr, unsigned long 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(SiS_Pr, DACData, (d1 << shiftflag)); SiS_SetRegByte(SiS_Pr, DACData, (d2 << shiftflag)); SiS_SetRegByte(SiS_Pr, DACData, (d3 << shiftflag)); } static void SiS_LoadDAC(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short mi) { unsigned short data, data2, time, i, j, k, m, n, o; unsigned short si, di, bx, sf; unsigned long DACAddr, DACData; const unsigned char *table = NULL; if (ModeNo < 0x13) data = SiS_Pr->SiS_SModeIDTable[mi].St_ModeFlag; else data = SiS_Pr->SiS_EModeIDTable[mi].Ext_ModeFlag; data &= DACInfoFlag; j = time = 64; if (data == 0x00) table = SiS_MDA_DAC; else if (data == 0x08) table = SiS_CGA_DAC; else if (data == 0x10) table = SiS_EGA_DAC; else { j = 16; time = 256; table = SiS_VGA_DAC; } DACAddr = SiS_Pr->SiS_P3c8; DACData = SiS_Pr->SiS_P3c9; sf = 0; SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c6, 0xFF); SiS_SetRegByte(SiS_Pr, DACAddr, 0x00); for(i = 0; i < j; i++) { data = table[i]; for(k = 0; k < 3; k++) { data2 = 0; if (data & 0x01) data2 += 0x2A; if (data & 0x02) data2 += 0x15; SiS_SetRegByte(SiS_Pr, 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(SiS_Pr, 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--; } } si += 5; } } } /*********************************************/ /* SET CRT1 REGISTER GROUP */ /*********************************************/ static void SiS_SetCRT1Group(struct SiS_Private *SiS_Pr, unsigned short ModeNo, unsigned short ModeIdIndex) { unsigned short StandTableIndex, rrti; SiS_Pr->SiS_CRT1Mode = ModeNo; if (ModeNo <= 0x13) StandTableIndex = 0; else StandTableIndex = 1; 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); rrti = SiS_GetRatePtr(SiS_Pr, ModeNo, ModeIdIndex); if (rrti != 0xFFFF) { SiS_SetCRT1Sync(SiS_Pr, rrti); SiS_SetCRT1CRTC(SiS_Pr, ModeNo, ModeIdIndex, rrti); SiS_SetCRT1Offset(SiS_Pr, ModeNo, ModeIdIndex, rrti); SiS_SetCRT1VCLK(SiS_Pr, ModeNo, rrti); } SiS_SetCRT1FIFO_310(SiS_Pr, ModeNo, ModeIdIndex); SiS_SetCRT1ModeRegs(SiS_Pr, ModeNo, ModeIdIndex, rrti); SiS_LoadDAC(SiS_Pr, ModeNo, ModeIdIndex); SiS_DisplayOn(SiS_Pr); } /*********************************************/ /* SiSSetMode() */ /*********************************************/ int SiSUSBSetMode(struct SiS_Private *SiS_Pr, unsigned short ModeNo) { unsigned short ModeIdIndex; unsigned long BaseAddr = SiS_Pr->IOAddress; SiSUSB_InitPtr(SiS_Pr); SiSUSBRegInit(SiS_Pr, BaseAddr); SiS_GetSysFlags(SiS_Pr); if (!(SiS_SearchModeID(SiS_Pr, &ModeNo, &ModeIdIndex))) return 0; SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x05, 0x86); SiSInitPCIetc(SiS_Pr); ModeNo &= 0x7f; SiS_Pr->SiS_ModeType = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag & ModeTypeMask; SiS_Pr->SiS_SetFlag = LowModeTests; /* Set mode on CRT1 */ SiS_SetCRT1Group(SiS_Pr, ModeNo, ModeIdIndex); SiS_HandleCRT1(SiS_Pr); SiS_DisplayOn(SiS_Pr); SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c6, 0xFF); /* Store mode number */ SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x34, ModeNo); return 1; } int SiSUSBSetVESAMode(struct SiS_Private *SiS_Pr, unsigned short VModeNo) { unsigned short ModeNo = 0; int i; SiSUSB_InitPtr(SiS_Pr); if (VModeNo == 0x03) { ModeNo = 0x03; } else { i = 0; do { if (SiS_Pr->SiS_EModeIDTable[i].Ext_VESAID == VModeNo) { ModeNo = SiS_Pr->SiS_EModeIDTable[i].Ext_ModeID; break; } } while (SiS_Pr->SiS_EModeIDTable[i++].Ext_ModeID != 0xff); } if (!ModeNo) return 0; return SiSUSBSetMode(SiS_Pr, ModeNo); } #endif /* INCL_SISUSB_CON */ |