2 * sisusb - usb kernel driver for SiS315(E) based USB2VGA dongles
4 * Display mode initializing code
6 * Copyright (C) 2001-2005 by Thomas Winischhofer, Vienna, Austria
8 * If distributed as part of the Linux kernel, this code is licensed under the
11 * Otherwise, the following license terms apply:
13 * * Redistribution and use in source and binary forms, with or without
14 * * modification, are permitted provided that the following conditions
16 * * 1) Redistributions of source code must retain the above copyright
17 * * notice, this list of conditions and the following disclaimer.
18 * * 2) Redistributions in binary form must reproduce the above copyright
19 * * notice, this list of conditions and the following disclaimer in the
20 * * documentation and/or other materials provided with the distribution.
21 * * 3) The name of the author may not be used to endorse or promote products
22 * * derived from this software without specific prior written permission.
24 * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
25 * * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
26 * * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
27 * * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
28 * * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
29 * * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30 * * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31 * * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
33 * * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 * Author: Thomas Winischhofer <thomas@winischhofer.net>
39 #include <linux/module.h>
40 #include <linux/kernel.h>
41 #include <linux/errno.h>
42 #include <linux/poll.h>
43 #include <linux/spinlock.h>
47 #ifdef INCL_SISUSB_CON
49 #include "sisusb_init.h"
51 /*********************************************/
52 /* POINTER INITIALIZATION */
53 /*********************************************/
55 static void SiSUSB_InitPtr(struct SiS_Private *SiS_Pr)
57 SiS_Pr->SiS_ModeResInfo = SiSUSB_ModeResInfo;
58 SiS_Pr->SiS_StandTable = SiSUSB_StandTable;
60 SiS_Pr->SiS_SModeIDTable = SiSUSB_SModeIDTable;
61 SiS_Pr->SiS_EModeIDTable = SiSUSB_EModeIDTable;
62 SiS_Pr->SiS_RefIndex = SiSUSB_RefIndex;
63 SiS_Pr->SiS_CRT1Table = SiSUSB_CRT1Table;
65 SiS_Pr->SiS_VCLKData = SiSUSB_VCLKData;
68 /*********************************************/
69 /* HELPER: SetReg, GetReg */
70 /*********************************************/
73 SiS_SetReg(struct SiS_Private *SiS_Pr, unsigned long port,
74 unsigned short index, unsigned short data)
76 sisusb_setidxreg(SiS_Pr->sisusb, port, index, data);
80 SiS_SetRegByte(struct SiS_Private *SiS_Pr, unsigned long port,
83 sisusb_setreg(SiS_Pr->sisusb, port, data);
87 SiS_GetReg(struct SiS_Private *SiS_Pr, unsigned long port, unsigned short index)
91 sisusb_getidxreg(SiS_Pr->sisusb, port, index, &data);
97 SiS_GetRegByte(struct SiS_Private *SiS_Pr, unsigned long port)
101 sisusb_getreg(SiS_Pr->sisusb, port, &data);
107 SiS_SetRegANDOR(struct SiS_Private *SiS_Pr, unsigned long port,
108 unsigned short index, unsigned short DataAND,
109 unsigned short DataOR)
111 sisusb_setidxregandor(SiS_Pr->sisusb, port, index, DataAND, DataOR);
115 SiS_SetRegAND(struct SiS_Private *SiS_Pr, unsigned long port,
116 unsigned short index, unsigned short DataAND)
118 sisusb_setidxregand(SiS_Pr->sisusb, port, index, DataAND);
122 SiS_SetRegOR(struct SiS_Private *SiS_Pr, unsigned long port,
123 unsigned short index, unsigned short DataOR)
125 sisusb_setidxregor(SiS_Pr->sisusb, port, index, DataOR);
128 /*********************************************/
129 /* HELPER: DisplayOn, DisplayOff */
130 /*********************************************/
132 static void SiS_DisplayOn(struct SiS_Private *SiS_Pr)
134 SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x01, 0xDF);
137 /*********************************************/
138 /* HELPER: Init Port Addresses */
139 /*********************************************/
141 static void SiSUSBRegInit(struct SiS_Private *SiS_Pr, unsigned long BaseAddr)
143 SiS_Pr->SiS_P3c4 = BaseAddr + 0x14;
144 SiS_Pr->SiS_P3d4 = BaseAddr + 0x24;
145 SiS_Pr->SiS_P3c0 = BaseAddr + 0x10;
146 SiS_Pr->SiS_P3ce = BaseAddr + 0x1e;
147 SiS_Pr->SiS_P3c2 = BaseAddr + 0x12;
148 SiS_Pr->SiS_P3ca = BaseAddr + 0x1a;
149 SiS_Pr->SiS_P3c6 = BaseAddr + 0x16;
150 SiS_Pr->SiS_P3c7 = BaseAddr + 0x17;
151 SiS_Pr->SiS_P3c8 = BaseAddr + 0x18;
152 SiS_Pr->SiS_P3c9 = BaseAddr + 0x19;
153 SiS_Pr->SiS_P3cb = BaseAddr + 0x1b;
154 SiS_Pr->SiS_P3cc = BaseAddr + 0x1c;
155 SiS_Pr->SiS_P3cd = BaseAddr + 0x1d;
156 SiS_Pr->SiS_P3da = BaseAddr + 0x2a;
157 SiS_Pr->SiS_Part1Port = BaseAddr + SIS_CRT2_PORT_04;
160 /*********************************************/
161 /* HELPER: GetSysFlags */
162 /*********************************************/
164 static void SiS_GetSysFlags(struct SiS_Private *SiS_Pr)
166 SiS_Pr->SiS_MyCR63 = 0x63;
169 /*********************************************/
170 /* HELPER: Init PCI & Engines */
171 /*********************************************/
173 static void SiSInitPCIetc(struct SiS_Private *SiS_Pr)
175 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x20, 0xa1);
176 /* - Enable 2D (0x40)
178 * - Enable 3D vertex command fetch (0x10)
179 * - Enable 3D command parser (0x08)
180 * - Enable 3D G/L transformation engine (0x80)
182 SiS_SetRegOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x1E, 0xDA);
185 /*********************************************/
186 /* HELPER: SET SEGMENT REGISTERS */
187 /*********************************************/
189 static void SiS_SetSegRegLower(struct SiS_Private *SiS_Pr, unsigned short value)
194 temp = SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3cb) & 0xf0;
195 temp |= (value >> 4);
196 SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3cb, temp);
197 temp = SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3cd) & 0xf0;
198 temp |= (value & 0x0f);
199 SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3cd, temp);
202 static void SiS_SetSegRegUpper(struct SiS_Private *SiS_Pr, unsigned short value)
207 temp = SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3cb) & 0x0f;
208 temp |= (value & 0xf0);
209 SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3cb, temp);
210 temp = SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3cd) & 0x0f;
211 temp |= (value << 4);
212 SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3cd, temp);
215 static void SiS_SetSegmentReg(struct SiS_Private *SiS_Pr, unsigned short value)
217 SiS_SetSegRegLower(SiS_Pr, value);
218 SiS_SetSegRegUpper(SiS_Pr, value);
221 static void SiS_ResetSegmentReg(struct SiS_Private *SiS_Pr)
223 SiS_SetSegmentReg(SiS_Pr, 0);
227 SiS_SetSegmentRegOver(struct SiS_Private *SiS_Pr, unsigned short value)
229 unsigned short temp = value >> 8;
233 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x1d, temp);
234 SiS_SetSegmentReg(SiS_Pr, value);
237 static void SiS_ResetSegmentRegOver(struct SiS_Private *SiS_Pr)
239 SiS_SetSegmentRegOver(SiS_Pr, 0);
242 static void SiS_ResetSegmentRegisters(struct SiS_Private *SiS_Pr)
244 SiS_ResetSegmentReg(SiS_Pr);
245 SiS_ResetSegmentRegOver(SiS_Pr);
248 /*********************************************/
249 /* HELPER: SearchModeID */
250 /*********************************************/
253 SiS_SearchModeID(struct SiS_Private *SiS_Pr, unsigned short *ModeNo,
254 unsigned short *ModeIdIndex)
256 if ((*ModeNo) <= 0x13) {
258 if ((*ModeNo) != 0x03)
265 for (*ModeIdIndex = 0;; (*ModeIdIndex)++) {
267 if (SiS_Pr->SiS_EModeIDTable[*ModeIdIndex].Ext_ModeID ==
271 if (SiS_Pr->SiS_EModeIDTable[*ModeIdIndex].Ext_ModeID ==
281 /*********************************************/
282 /* HELPER: ENABLE CRT1 */
283 /*********************************************/
285 static void SiS_HandleCRT1(struct SiS_Private *SiS_Pr)
287 /* Enable CRT1 gating */
288 SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3d4, SiS_Pr->SiS_MyCR63, 0xbf);
291 /*********************************************/
292 /* HELPER: GetColorDepth */
293 /*********************************************/
295 static unsigned short
296 SiS_GetColorDepth(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
297 unsigned short ModeIdIndex)
299 static const unsigned short ColorDepth[6] = { 1, 2, 4, 4, 6, 8 };
300 unsigned short modeflag;
303 if (ModeNo <= 0x13) {
304 modeflag = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ModeFlag;
306 modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag;
309 index = (modeflag & ModeTypeMask) - ModeEGA;
312 return ColorDepth[index];
315 /*********************************************/
316 /* HELPER: GetOffset */
317 /*********************************************/
319 static unsigned short
320 SiS_GetOffset(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
321 unsigned short ModeIdIndex, unsigned short rrti)
323 unsigned short xres, temp, colordepth, infoflag;
325 infoflag = SiS_Pr->SiS_RefIndex[rrti].Ext_InfoFlag;
326 xres = SiS_Pr->SiS_RefIndex[rrti].XRes;
328 colordepth = SiS_GetColorDepth(SiS_Pr, ModeNo, ModeIdIndex);
332 if (infoflag & InterlaceMode)
338 temp += (colordepth >> 1);
343 /*********************************************/
345 /*********************************************/
348 SiS_SetSeqRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex)
350 unsigned char SRdata;
353 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x00, 0x03);
355 SRdata = SiS_Pr->SiS_StandTable[StandTableIndex].SR[0] | 0x20;
356 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x01, SRdata);
358 for (i = 2; i <= 4; i++) {
359 SRdata = SiS_Pr->SiS_StandTable[StandTableIndex].SR[i - 1];
360 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, i, SRdata);
364 /*********************************************/
366 /*********************************************/
369 SiS_SetMiscRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex)
371 unsigned char Miscdata = SiS_Pr->SiS_StandTable[StandTableIndex].MISC;
373 SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c2, Miscdata);
376 /*********************************************/
378 /*********************************************/
381 SiS_SetCRTCRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex)
383 unsigned char CRTCdata;
386 SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3d4, 0x11, 0x7f);
388 for (i = 0; i <= 0x18; i++) {
389 CRTCdata = SiS_Pr->SiS_StandTable[StandTableIndex].CRTC[i];
390 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, i, CRTCdata);
394 /*********************************************/
396 /*********************************************/
399 SiS_SetATTRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex)
401 unsigned char ARdata;
404 for (i = 0; i <= 0x13; i++) {
405 ARdata = SiS_Pr->SiS_StandTable[StandTableIndex].ATTR[i];
406 SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3da);
407 SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c0, i);
408 SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c0, ARdata);
410 SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3da);
411 SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c0, 0x14);
412 SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c0, 0x00);
414 SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3da);
415 SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c0, 0x20);
416 SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3da);
419 /*********************************************/
421 /*********************************************/
424 SiS_SetGRCRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex)
426 unsigned char GRdata;
429 for (i = 0; i <= 0x08; i++) {
430 GRdata = SiS_Pr->SiS_StandTable[StandTableIndex].GRC[i];
431 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3ce, i, GRdata);
434 if (SiS_Pr->SiS_ModeType > ModeVGA) {
435 /* 256 color disable */
436 SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3ce, 0x05, 0xBF);
440 /*********************************************/
441 /* CLEAR EXTENDED REGISTERS */
442 /*********************************************/
444 static void SiS_ClearExt1Regs(struct SiS_Private *SiS_Pr, unsigned short ModeNo)
448 for (i = 0x0A; i <= 0x0E; i++) {
449 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, i, 0x00);
452 SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x37, 0xFE);
455 /*********************************************/
457 /*********************************************/
459 static unsigned short
460 SiS_GetRatePtr(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
461 unsigned short ModeIdIndex)
463 unsigned short rrti, i, index, temp;
468 index = SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x33) & 0x0F;
472 rrti = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].REFindex;
473 ModeNo = SiS_Pr->SiS_RefIndex[rrti].ModeID;
477 if (SiS_Pr->SiS_RefIndex[rrti + i].ModeID != ModeNo)
481 SiS_Pr->SiS_RefIndex[rrti + i].Ext_InfoFlag & ModeTypeMask;
482 if (temp < SiS_Pr->SiS_ModeType)
487 } while (index != 0xFFFF);
494 /*********************************************/
496 /*********************************************/
498 static void SiS_SetCRT1Sync(struct SiS_Private *SiS_Pr, unsigned short rrti)
500 unsigned short sync = SiS_Pr->SiS_RefIndex[rrti].Ext_InfoFlag >> 8;
503 SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c2, sync);
506 /*********************************************/
508 /*********************************************/
511 SiS_SetCRT1CRTC(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
512 unsigned short ModeIdIndex, unsigned short rrti)
515 unsigned short temp, i, j, modeflag;
517 SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3d4, 0x11, 0x7f);
519 modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag;
521 index = SiS_Pr->SiS_RefIndex[rrti].Ext_CRT1CRTC;
523 for (i = 0, j = 0; i <= 7; i++, j++) {
524 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, j,
525 SiS_Pr->SiS_CRT1Table[index].CR[i]);
527 for (j = 0x10; i <= 10; i++, j++) {
528 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, j,
529 SiS_Pr->SiS_CRT1Table[index].CR[i]);
531 for (j = 0x15; i <= 12; i++, j++) {
532 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, j,
533 SiS_Pr->SiS_CRT1Table[index].CR[i]);
535 for (j = 0x0A; i <= 15; i++, j++) {
536 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, j,
537 SiS_Pr->SiS_CRT1Table[index].CR[i]);
540 temp = SiS_Pr->SiS_CRT1Table[index].CR[16] & 0xE0;
541 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0E, temp);
543 temp = ((SiS_Pr->SiS_CRT1Table[index].CR[16]) & 0x01) << 5;
544 if (modeflag & DoubleScanMode)
546 SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3d4, 0x09, 0x5F, temp);
548 if (SiS_Pr->SiS_ModeType > ModeVGA)
549 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x14, 0x4F);
552 /*********************************************/
554 /*********************************************/
555 /* (partly overruled by SetPitch() in XF86) */
556 /*********************************************/
559 SiS_SetCRT1Offset(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
560 unsigned short ModeIdIndex, unsigned short rrti)
562 unsigned short du = SiS_GetOffset(SiS_Pr, ModeNo, ModeIdIndex, rrti);
563 unsigned short infoflag = SiS_Pr->SiS_RefIndex[rrti].Ext_InfoFlag;
566 temp = (du >> 8) & 0x0f;
567 SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0E, 0xF0, temp);
569 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x13, (du & 0xFF));
571 if (infoflag & InterlaceMode)
575 temp = (du >> 8) & 0xff;
579 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x10, temp);
582 /*********************************************/
584 /*********************************************/
587 SiS_SetCRT1VCLK(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
590 unsigned short index = SiS_Pr->SiS_RefIndex[rrti].Ext_CRTVCLK;
591 unsigned short clka = SiS_Pr->SiS_VCLKData[index].SR2B;
592 unsigned short clkb = SiS_Pr->SiS_VCLKData[index].SR2C;
594 SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x31, 0xCF);
596 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x2B, clka);
597 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x2C, clkb);
598 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x2D, 0x01);
601 /*********************************************/
603 /*********************************************/
606 SiS_SetCRT1FIFO_310(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
609 unsigned short modeflag = SiS_Pr->SiS_EModeIDTable[mi].Ext_ModeFlag;
611 /* disable auto-threshold */
612 SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x3D, 0xFE);
614 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x08, 0xAE);
615 SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x09, 0xF0);
620 if ((!(modeflag & DoubleScanMode)) || (!(modeflag & HalfDCLK))) {
621 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x08, 0x34);
622 SiS_SetRegOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x3D, 0x01);
626 /*********************************************/
628 /*********************************************/
631 SiS_SetVCLKState(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
634 unsigned short data = 0, VCLK = 0, index = 0;
637 index = SiS_Pr->SiS_RefIndex[rrti].Ext_CRTVCLK;
638 VCLK = SiS_Pr->SiS_VCLKData[index].CLOCK;
643 SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x32, 0xf3, data);
646 SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x1f, 0xe7);
652 else if (VCLK >= 160)
654 else if (VCLK >= 135)
657 SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x07, 0xF8, data);
661 SiS_SetCRT1ModeRegs(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
662 unsigned short ModeIdIndex, unsigned short rrti)
664 unsigned short data, infoflag = 0, modeflag;
667 modeflag = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ModeFlag;
669 modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag;
670 infoflag = SiS_Pr->SiS_RefIndex[rrti].Ext_InfoFlag;
674 SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x1F, 0x3F);
678 if (SiS_Pr->SiS_ModeType > ModeEGA) {
680 data |= ((SiS_Pr->SiS_ModeType - ModeVGA) << 2);
682 if (infoflag & InterlaceMode)
685 SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x06, 0xC0, data);
688 if (infoflag & InterlaceMode) {
689 /* data = (Hsync / 8) - ((Htotal / 8) / 2) + 3 */
691 (SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x04) |
692 ((SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0b) & 0xc0) << 2))
695 (SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x00) |
696 ((SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0b) & 0x03) << 8))
698 data = hrs - (hto >> 1) + 3;
700 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x19, (data & 0xFF));
701 SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3d4, 0x1a, 0xFC, (data >> 8));
703 if (modeflag & HalfDCLK)
704 SiS_SetRegOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x01, 0x08);
707 if (modeflag & LineCompareOff)
709 SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0F, 0xB7, data);
711 if ((SiS_Pr->SiS_ModeType == ModeEGA) && (ModeNo > 0x13))
712 SiS_SetRegOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0F, 0x40);
714 SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x31, 0xfb);
717 if (SiS_Pr->SiS_ModeType != ModeText) {
719 if (SiS_Pr->SiS_ModeType != ModeEGA)
722 SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x21, 0x1F, data);
724 SiS_SetVCLKState(SiS_Pr, ModeNo, rrti);
726 if (SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x31) & 0x40)
727 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x52, 0x2c);
729 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x52, 0x6c);
732 /*********************************************/
734 /*********************************************/
737 SiS_WriteDAC(struct SiS_Private *SiS_Pr, unsigned long DACData,
738 unsigned short shiftflag, unsigned short dl, unsigned short ah,
739 unsigned short al, unsigned short dh)
741 unsigned short d1, d2, d3;
759 SiS_SetRegByte(SiS_Pr, DACData, (d1 << shiftflag));
760 SiS_SetRegByte(SiS_Pr, DACData, (d2 << shiftflag));
761 SiS_SetRegByte(SiS_Pr, DACData, (d3 << shiftflag));
765 SiS_LoadDAC(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
768 unsigned short data, data2, time, i, j, k, m, n, o;
769 unsigned short si, di, bx, sf;
770 unsigned long DACAddr, DACData;
771 const unsigned char *table = NULL;
774 data = SiS_Pr->SiS_SModeIDTable[mi].St_ModeFlag;
776 data = SiS_Pr->SiS_EModeIDTable[mi].Ext_ModeFlag;
783 else if (data == 0x08)
785 else if (data == 0x10)
793 DACAddr = SiS_Pr->SiS_P3c8;
794 DACData = SiS_Pr->SiS_P3c9;
796 SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c6, 0xFF);
798 SiS_SetRegByte(SiS_Pr, DACAddr, 0x00);
800 for (i = 0; i < j; i++) {
802 for (k = 0; k < 3; k++) {
808 SiS_SetRegByte(SiS_Pr, DACData, (data2 << sf));
814 for (i = 16; i < 32; i++) {
815 data = table[i] << sf;
816 for (k = 0; k < 3; k++)
817 SiS_SetRegByte(SiS_Pr, DACData, data);
820 for (m = 0; m < 9; m++) {
823 for (n = 0; n < 3; n++) {
824 for (o = 0; o < 5; o++) {
825 SiS_WriteDAC(SiS_Pr, DACData, sf, n,
826 table[di], table[bx],
831 for (o = 0; o < 3; o++) {
832 SiS_WriteDAC(SiS_Pr, DACData, sf, n,
833 table[di], table[si],
843 /*********************************************/
844 /* SET CRT1 REGISTER GROUP */
845 /*********************************************/
848 SiS_SetCRT1Group(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
849 unsigned short ModeIdIndex)
851 unsigned short StandTableIndex, rrti;
853 SiS_Pr->SiS_CRT1Mode = ModeNo;
860 SiS_ResetSegmentRegisters(SiS_Pr);
861 SiS_SetSeqRegs(SiS_Pr, StandTableIndex);
862 SiS_SetMiscRegs(SiS_Pr, StandTableIndex);
863 SiS_SetCRTCRegs(SiS_Pr, StandTableIndex);
864 SiS_SetATTRegs(SiS_Pr, StandTableIndex);
865 SiS_SetGRCRegs(SiS_Pr, StandTableIndex);
866 SiS_ClearExt1Regs(SiS_Pr, ModeNo);
868 rrti = SiS_GetRatePtr(SiS_Pr, ModeNo, ModeIdIndex);
870 if (rrti != 0xFFFF) {
871 SiS_SetCRT1Sync(SiS_Pr, rrti);
872 SiS_SetCRT1CRTC(SiS_Pr, ModeNo, ModeIdIndex, rrti);
873 SiS_SetCRT1Offset(SiS_Pr, ModeNo, ModeIdIndex, rrti);
874 SiS_SetCRT1VCLK(SiS_Pr, ModeNo, rrti);
877 SiS_SetCRT1FIFO_310(SiS_Pr, ModeNo, ModeIdIndex);
879 SiS_SetCRT1ModeRegs(SiS_Pr, ModeNo, ModeIdIndex, rrti);
881 SiS_LoadDAC(SiS_Pr, ModeNo, ModeIdIndex);
883 SiS_DisplayOn(SiS_Pr);
886 /*********************************************/
888 /*********************************************/
890 int SiSUSBSetMode(struct SiS_Private *SiS_Pr, unsigned short ModeNo)
892 unsigned short ModeIdIndex;
893 unsigned long BaseAddr = SiS_Pr->IOAddress;
895 SiSUSB_InitPtr(SiS_Pr);
896 SiSUSBRegInit(SiS_Pr, BaseAddr);
897 SiS_GetSysFlags(SiS_Pr);
899 if (!(SiS_SearchModeID(SiS_Pr, &ModeNo, &ModeIdIndex)))
902 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x05, 0x86);
904 SiSInitPCIetc(SiS_Pr);
908 SiS_Pr->SiS_ModeType =
909 SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag & ModeTypeMask;
911 SiS_Pr->SiS_SetFlag = LowModeTests;
913 /* Set mode on CRT1 */
914 SiS_SetCRT1Group(SiS_Pr, ModeNo, ModeIdIndex);
916 SiS_HandleCRT1(SiS_Pr);
918 SiS_DisplayOn(SiS_Pr);
919 SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c6, 0xFF);
921 /* Store mode number */
922 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x34, ModeNo);
927 int SiSUSBSetVESAMode(struct SiS_Private *SiS_Pr, unsigned short VModeNo)
929 unsigned short ModeNo = 0;
932 SiSUSB_InitPtr(SiS_Pr);
934 if (VModeNo == 0x03) {
943 if (SiS_Pr->SiS_EModeIDTable[i].Ext_VESAID == VModeNo) {
944 ModeNo = SiS_Pr->SiS_EModeIDTable[i].Ext_ModeID;
948 } while (SiS_Pr->SiS_EModeIDTable[i++].Ext_ModeID != 0xff);
955 return SiSUSBSetMode(SiS_Pr, ModeNo);
958 #endif /* INCL_SISUSB_CON */