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/init.h>
44 #include <linux/slab.h>
45 #include <linux/spinlock.h>
49 #ifdef INCL_SISUSB_CON
51 #include "sisusb_init.h"
53 /*********************************************/
54 /* POINTER INITIALIZATION */
55 /*********************************************/
57 static void SiSUSB_InitPtr(struct SiS_Private *SiS_Pr)
59 SiS_Pr->SiS_ModeResInfo = SiSUSB_ModeResInfo;
60 SiS_Pr->SiS_StandTable = SiSUSB_StandTable;
62 SiS_Pr->SiS_SModeIDTable = SiSUSB_SModeIDTable;
63 SiS_Pr->SiS_EModeIDTable = SiSUSB_EModeIDTable;
64 SiS_Pr->SiS_RefIndex = SiSUSB_RefIndex;
65 SiS_Pr->SiS_CRT1Table = SiSUSB_CRT1Table;
67 SiS_Pr->SiS_VCLKData = SiSUSB_VCLKData;
70 /*********************************************/
71 /* HELPER: SetReg, GetReg */
72 /*********************************************/
75 SiS_SetReg(struct SiS_Private *SiS_Pr, unsigned long port,
76 unsigned short index, unsigned short data)
78 sisusb_setidxreg(SiS_Pr->sisusb, port, index, data);
82 SiS_SetRegByte(struct SiS_Private *SiS_Pr, unsigned long port,
85 sisusb_setreg(SiS_Pr->sisusb, port, data);
89 SiS_GetReg(struct SiS_Private *SiS_Pr, unsigned long port, unsigned short index)
93 sisusb_getidxreg(SiS_Pr->sisusb, port, index, &data);
99 SiS_GetRegByte(struct SiS_Private *SiS_Pr, unsigned long port)
103 sisusb_getreg(SiS_Pr->sisusb, port, &data);
109 SiS_SetRegANDOR(struct SiS_Private *SiS_Pr, unsigned long port,
110 unsigned short index, unsigned short DataAND,
111 unsigned short DataOR)
113 sisusb_setidxregandor(SiS_Pr->sisusb, port, index, DataAND, DataOR);
117 SiS_SetRegAND(struct SiS_Private *SiS_Pr, unsigned long port,
118 unsigned short index, unsigned short DataAND)
120 sisusb_setidxregand(SiS_Pr->sisusb, port, index, DataAND);
124 SiS_SetRegOR(struct SiS_Private *SiS_Pr, unsigned long port,
125 unsigned short index, unsigned short DataOR)
127 sisusb_setidxregor(SiS_Pr->sisusb, port, index, DataOR);
130 /*********************************************/
131 /* HELPER: DisplayOn, DisplayOff */
132 /*********************************************/
134 static void SiS_DisplayOn(struct SiS_Private *SiS_Pr)
136 SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x01, 0xDF);
139 /*********************************************/
140 /* HELPER: Init Port Addresses */
141 /*********************************************/
143 static void SiSUSBRegInit(struct SiS_Private *SiS_Pr, unsigned long BaseAddr)
145 SiS_Pr->SiS_P3c4 = BaseAddr + 0x14;
146 SiS_Pr->SiS_P3d4 = BaseAddr + 0x24;
147 SiS_Pr->SiS_P3c0 = BaseAddr + 0x10;
148 SiS_Pr->SiS_P3ce = BaseAddr + 0x1e;
149 SiS_Pr->SiS_P3c2 = BaseAddr + 0x12;
150 SiS_Pr->SiS_P3ca = BaseAddr + 0x1a;
151 SiS_Pr->SiS_P3c6 = BaseAddr + 0x16;
152 SiS_Pr->SiS_P3c7 = BaseAddr + 0x17;
153 SiS_Pr->SiS_P3c8 = BaseAddr + 0x18;
154 SiS_Pr->SiS_P3c9 = BaseAddr + 0x19;
155 SiS_Pr->SiS_P3cb = BaseAddr + 0x1b;
156 SiS_Pr->SiS_P3cc = BaseAddr + 0x1c;
157 SiS_Pr->SiS_P3cd = BaseAddr + 0x1d;
158 SiS_Pr->SiS_P3da = BaseAddr + 0x2a;
159 SiS_Pr->SiS_Part1Port = BaseAddr + SIS_CRT2_PORT_04;
162 /*********************************************/
163 /* HELPER: GetSysFlags */
164 /*********************************************/
166 static void SiS_GetSysFlags(struct SiS_Private *SiS_Pr)
168 SiS_Pr->SiS_MyCR63 = 0x63;
171 /*********************************************/
172 /* HELPER: Init PCI & Engines */
173 /*********************************************/
175 static void SiSInitPCIetc(struct SiS_Private *SiS_Pr)
177 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x20, 0xa1);
178 /* - Enable 2D (0x40)
180 * - Enable 3D vertex command fetch (0x10)
181 * - Enable 3D command parser (0x08)
182 * - Enable 3D G/L transformation engine (0x80)
184 SiS_SetRegOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x1E, 0xDA);
187 /*********************************************/
188 /* HELPER: SET SEGMENT REGISTERS */
189 /*********************************************/
191 static void SiS_SetSegRegLower(struct SiS_Private *SiS_Pr, unsigned short value)
196 temp = SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3cb) & 0xf0;
197 temp |= (value >> 4);
198 SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3cb, temp);
199 temp = SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3cd) & 0xf0;
200 temp |= (value & 0x0f);
201 SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3cd, temp);
204 static void SiS_SetSegRegUpper(struct SiS_Private *SiS_Pr, unsigned short value)
209 temp = SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3cb) & 0x0f;
210 temp |= (value & 0xf0);
211 SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3cb, temp);
212 temp = SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3cd) & 0x0f;
213 temp |= (value << 4);
214 SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3cd, temp);
217 static void SiS_SetSegmentReg(struct SiS_Private *SiS_Pr, unsigned short value)
219 SiS_SetSegRegLower(SiS_Pr, value);
220 SiS_SetSegRegUpper(SiS_Pr, value);
223 static void SiS_ResetSegmentReg(struct SiS_Private *SiS_Pr)
225 SiS_SetSegmentReg(SiS_Pr, 0);
229 SiS_SetSegmentRegOver(struct SiS_Private *SiS_Pr, unsigned short value)
231 unsigned short temp = value >> 8;
235 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x1d, temp);
236 SiS_SetSegmentReg(SiS_Pr, value);
239 static void SiS_ResetSegmentRegOver(struct SiS_Private *SiS_Pr)
241 SiS_SetSegmentRegOver(SiS_Pr, 0);
244 static void SiS_ResetSegmentRegisters(struct SiS_Private *SiS_Pr)
246 SiS_ResetSegmentReg(SiS_Pr);
247 SiS_ResetSegmentRegOver(SiS_Pr);
250 /*********************************************/
251 /* HELPER: SearchModeID */
252 /*********************************************/
255 SiS_SearchModeID(struct SiS_Private *SiS_Pr, unsigned short *ModeNo,
256 unsigned short *ModeIdIndex)
258 if ((*ModeNo) <= 0x13) {
260 if ((*ModeNo) != 0x03)
267 for (*ModeIdIndex = 0;; (*ModeIdIndex)++) {
269 if (SiS_Pr->SiS_EModeIDTable[*ModeIdIndex].Ext_ModeID ==
273 if (SiS_Pr->SiS_EModeIDTable[*ModeIdIndex].Ext_ModeID ==
283 /*********************************************/
284 /* HELPER: ENABLE CRT1 */
285 /*********************************************/
287 static void SiS_HandleCRT1(struct SiS_Private *SiS_Pr)
289 /* Enable CRT1 gating */
290 SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3d4, SiS_Pr->SiS_MyCR63, 0xbf);
293 /*********************************************/
294 /* HELPER: GetColorDepth */
295 /*********************************************/
297 static unsigned short
298 SiS_GetColorDepth(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
299 unsigned short ModeIdIndex)
301 static const unsigned short ColorDepth[6] = { 1, 2, 4, 4, 6, 8 };
302 unsigned short modeflag;
305 if (ModeNo <= 0x13) {
306 modeflag = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ModeFlag;
308 modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag;
311 index = (modeflag & ModeTypeMask) - ModeEGA;
314 return ColorDepth[index];
317 /*********************************************/
318 /* HELPER: GetOffset */
319 /*********************************************/
321 static unsigned short
322 SiS_GetOffset(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
323 unsigned short ModeIdIndex, unsigned short rrti)
325 unsigned short xres, temp, colordepth, infoflag;
327 infoflag = SiS_Pr->SiS_RefIndex[rrti].Ext_InfoFlag;
328 xres = SiS_Pr->SiS_RefIndex[rrti].XRes;
330 colordepth = SiS_GetColorDepth(SiS_Pr, ModeNo, ModeIdIndex);
334 if (infoflag & InterlaceMode)
340 temp += (colordepth >> 1);
345 /*********************************************/
347 /*********************************************/
350 SiS_SetSeqRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex)
352 unsigned char SRdata;
355 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x00, 0x03);
357 SRdata = SiS_Pr->SiS_StandTable[StandTableIndex].SR[0] | 0x20;
358 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x01, SRdata);
360 for (i = 2; i <= 4; i++) {
361 SRdata = SiS_Pr->SiS_StandTable[StandTableIndex].SR[i - 1];
362 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, i, SRdata);
366 /*********************************************/
368 /*********************************************/
371 SiS_SetMiscRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex)
373 unsigned char Miscdata = SiS_Pr->SiS_StandTable[StandTableIndex].MISC;
375 SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c2, Miscdata);
378 /*********************************************/
380 /*********************************************/
383 SiS_SetCRTCRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex)
385 unsigned char CRTCdata;
388 SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3d4, 0x11, 0x7f);
390 for (i = 0; i <= 0x18; i++) {
391 CRTCdata = SiS_Pr->SiS_StandTable[StandTableIndex].CRTC[i];
392 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, i, CRTCdata);
396 /*********************************************/
398 /*********************************************/
401 SiS_SetATTRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex)
403 unsigned char ARdata;
406 for (i = 0; i <= 0x13; i++) {
407 ARdata = SiS_Pr->SiS_StandTable[StandTableIndex].ATTR[i];
408 SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3da);
409 SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c0, i);
410 SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c0, ARdata);
412 SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3da);
413 SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c0, 0x14);
414 SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c0, 0x00);
416 SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3da);
417 SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c0, 0x20);
418 SiS_GetRegByte(SiS_Pr, SiS_Pr->SiS_P3da);
421 /*********************************************/
423 /*********************************************/
426 SiS_SetGRCRegs(struct SiS_Private *SiS_Pr, unsigned short StandTableIndex)
428 unsigned char GRdata;
431 for (i = 0; i <= 0x08; i++) {
432 GRdata = SiS_Pr->SiS_StandTable[StandTableIndex].GRC[i];
433 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3ce, i, GRdata);
436 if (SiS_Pr->SiS_ModeType > ModeVGA) {
437 /* 256 color disable */
438 SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3ce, 0x05, 0xBF);
442 /*********************************************/
443 /* CLEAR EXTENDED REGISTERS */
444 /*********************************************/
446 static void SiS_ClearExt1Regs(struct SiS_Private *SiS_Pr, unsigned short ModeNo)
450 for (i = 0x0A; i <= 0x0E; i++) {
451 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, i, 0x00);
454 SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x37, 0xFE);
457 /*********************************************/
459 /*********************************************/
461 static unsigned short
462 SiS_GetRatePtr(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
463 unsigned short ModeIdIndex)
465 unsigned short rrti, i, index, temp;
470 index = SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x33) & 0x0F;
474 rrti = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].REFindex;
475 ModeNo = SiS_Pr->SiS_RefIndex[rrti].ModeID;
479 if (SiS_Pr->SiS_RefIndex[rrti + i].ModeID != ModeNo)
483 SiS_Pr->SiS_RefIndex[rrti + i].Ext_InfoFlag & ModeTypeMask;
484 if (temp < SiS_Pr->SiS_ModeType)
489 } while (index != 0xFFFF);
496 /*********************************************/
498 /*********************************************/
500 static void SiS_SetCRT1Sync(struct SiS_Private *SiS_Pr, unsigned short rrti)
502 unsigned short sync = SiS_Pr->SiS_RefIndex[rrti].Ext_InfoFlag >> 8;
505 SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c2, sync);
508 /*********************************************/
510 /*********************************************/
513 SiS_SetCRT1CRTC(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
514 unsigned short ModeIdIndex, unsigned short rrti)
517 unsigned short temp, i, j, modeflag;
519 SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3d4, 0x11, 0x7f);
521 modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag;
523 index = SiS_Pr->SiS_RefIndex[rrti].Ext_CRT1CRTC;
525 for (i = 0, j = 0; i <= 7; i++, j++) {
526 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, j,
527 SiS_Pr->SiS_CRT1Table[index].CR[i]);
529 for (j = 0x10; i <= 10; i++, j++) {
530 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, j,
531 SiS_Pr->SiS_CRT1Table[index].CR[i]);
533 for (j = 0x15; i <= 12; i++, j++) {
534 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, j,
535 SiS_Pr->SiS_CRT1Table[index].CR[i]);
537 for (j = 0x0A; i <= 15; i++, j++) {
538 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, j,
539 SiS_Pr->SiS_CRT1Table[index].CR[i]);
542 temp = SiS_Pr->SiS_CRT1Table[index].CR[16] & 0xE0;
543 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0E, temp);
545 temp = ((SiS_Pr->SiS_CRT1Table[index].CR[16]) & 0x01) << 5;
546 if (modeflag & DoubleScanMode)
548 SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3d4, 0x09, 0x5F, temp);
550 if (SiS_Pr->SiS_ModeType > ModeVGA)
551 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x14, 0x4F);
554 /*********************************************/
556 /*********************************************/
557 /* (partly overruled by SetPitch() in XF86) */
558 /*********************************************/
561 SiS_SetCRT1Offset(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
562 unsigned short ModeIdIndex, unsigned short rrti)
564 unsigned short du = SiS_GetOffset(SiS_Pr, ModeNo, ModeIdIndex, rrti);
565 unsigned short infoflag = SiS_Pr->SiS_RefIndex[rrti].Ext_InfoFlag;
568 temp = (du >> 8) & 0x0f;
569 SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0E, 0xF0, temp);
571 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x13, (du & 0xFF));
573 if (infoflag & InterlaceMode)
577 temp = (du >> 8) & 0xff;
581 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x10, temp);
584 /*********************************************/
586 /*********************************************/
589 SiS_SetCRT1VCLK(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
592 unsigned short index = SiS_Pr->SiS_RefIndex[rrti].Ext_CRTVCLK;
593 unsigned short clka = SiS_Pr->SiS_VCLKData[index].SR2B;
594 unsigned short clkb = SiS_Pr->SiS_VCLKData[index].SR2C;
596 SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x31, 0xCF);
598 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x2B, clka);
599 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x2C, clkb);
600 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x2D, 0x01);
603 /*********************************************/
605 /*********************************************/
608 SiS_SetCRT1FIFO_310(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
611 unsigned short modeflag = SiS_Pr->SiS_EModeIDTable[mi].Ext_ModeFlag;
613 /* disable auto-threshold */
614 SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x3D, 0xFE);
616 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x08, 0xAE);
617 SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x09, 0xF0);
622 if ((!(modeflag & DoubleScanMode)) || (!(modeflag & HalfDCLK))) {
623 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x08, 0x34);
624 SiS_SetRegOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x3D, 0x01);
628 /*********************************************/
630 /*********************************************/
633 SiS_SetVCLKState(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
636 unsigned short data = 0, VCLK = 0, index = 0;
639 index = SiS_Pr->SiS_RefIndex[rrti].Ext_CRTVCLK;
640 VCLK = SiS_Pr->SiS_VCLKData[index].CLOCK;
645 SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x32, 0xf3, data);
648 SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x1f, 0xe7);
654 else if (VCLK >= 160)
656 else if (VCLK >= 135)
659 SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x07, 0xF8, data);
663 SiS_SetCRT1ModeRegs(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
664 unsigned short ModeIdIndex, unsigned short rrti)
666 unsigned short data, infoflag = 0, modeflag;
669 modeflag = SiS_Pr->SiS_SModeIDTable[ModeIdIndex].St_ModeFlag;
671 modeflag = SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag;
672 infoflag = SiS_Pr->SiS_RefIndex[rrti].Ext_InfoFlag;
676 SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x1F, 0x3F);
680 if (SiS_Pr->SiS_ModeType > ModeEGA) {
682 data |= ((SiS_Pr->SiS_ModeType - ModeVGA) << 2);
684 if (infoflag & InterlaceMode)
687 SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x06, 0xC0, data);
690 if (infoflag & InterlaceMode) {
691 /* data = (Hsync / 8) - ((Htotal / 8) / 2) + 3 */
693 (SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x04) |
694 ((SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0b) & 0xc0) << 2))
697 (SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x00) |
698 ((SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0b) & 0x03) << 8))
700 data = hrs - (hto >> 1) + 3;
702 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x19, (data & 0xFF));
703 SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3d4, 0x1a, 0xFC, (data >> 8));
705 if (modeflag & HalfDCLK)
706 SiS_SetRegOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x01, 0x08);
709 if (modeflag & LineCompareOff)
711 SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0F, 0xB7, data);
713 if ((SiS_Pr->SiS_ModeType == ModeEGA) && (ModeNo > 0x13))
714 SiS_SetRegOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x0F, 0x40);
716 SiS_SetRegAND(SiS_Pr, SiS_Pr->SiS_P3c4, 0x31, 0xfb);
719 if (SiS_Pr->SiS_ModeType != ModeText) {
721 if (SiS_Pr->SiS_ModeType != ModeEGA)
724 SiS_SetRegANDOR(SiS_Pr, SiS_Pr->SiS_P3c4, 0x21, 0x1F, data);
726 SiS_SetVCLKState(SiS_Pr, ModeNo, rrti);
728 if (SiS_GetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x31) & 0x40)
729 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x52, 0x2c);
731 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x52, 0x6c);
734 /*********************************************/
736 /*********************************************/
739 SiS_WriteDAC(struct SiS_Private *SiS_Pr, unsigned long DACData,
740 unsigned short shiftflag, unsigned short dl, unsigned short ah,
741 unsigned short al, unsigned short dh)
743 unsigned short d1, d2, d3;
761 SiS_SetRegByte(SiS_Pr, DACData, (d1 << shiftflag));
762 SiS_SetRegByte(SiS_Pr, DACData, (d2 << shiftflag));
763 SiS_SetRegByte(SiS_Pr, DACData, (d3 << shiftflag));
767 SiS_LoadDAC(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
770 unsigned short data, data2, time, i, j, k, m, n, o;
771 unsigned short si, di, bx, sf;
772 unsigned long DACAddr, DACData;
773 const unsigned char *table = NULL;
776 data = SiS_Pr->SiS_SModeIDTable[mi].St_ModeFlag;
778 data = SiS_Pr->SiS_EModeIDTable[mi].Ext_ModeFlag;
785 else if (data == 0x08)
787 else if (data == 0x10)
795 DACAddr = SiS_Pr->SiS_P3c8;
796 DACData = SiS_Pr->SiS_P3c9;
798 SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c6, 0xFF);
800 SiS_SetRegByte(SiS_Pr, DACAddr, 0x00);
802 for (i = 0; i < j; i++) {
804 for (k = 0; k < 3; k++) {
810 SiS_SetRegByte(SiS_Pr, DACData, (data2 << sf));
816 for (i = 16; i < 32; i++) {
817 data = table[i] << sf;
818 for (k = 0; k < 3; k++)
819 SiS_SetRegByte(SiS_Pr, DACData, data);
822 for (m = 0; m < 9; m++) {
825 for (n = 0; n < 3; n++) {
826 for (o = 0; o < 5; o++) {
827 SiS_WriteDAC(SiS_Pr, DACData, sf, n,
828 table[di], table[bx],
833 for (o = 0; o < 3; o++) {
834 SiS_WriteDAC(SiS_Pr, DACData, sf, n,
835 table[di], table[si],
845 /*********************************************/
846 /* SET CRT1 REGISTER GROUP */
847 /*********************************************/
850 SiS_SetCRT1Group(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
851 unsigned short ModeIdIndex)
853 unsigned short StandTableIndex, rrti;
855 SiS_Pr->SiS_CRT1Mode = ModeNo;
862 SiS_ResetSegmentRegisters(SiS_Pr);
863 SiS_SetSeqRegs(SiS_Pr, StandTableIndex);
864 SiS_SetMiscRegs(SiS_Pr, StandTableIndex);
865 SiS_SetCRTCRegs(SiS_Pr, StandTableIndex);
866 SiS_SetATTRegs(SiS_Pr, StandTableIndex);
867 SiS_SetGRCRegs(SiS_Pr, StandTableIndex);
868 SiS_ClearExt1Regs(SiS_Pr, ModeNo);
870 rrti = SiS_GetRatePtr(SiS_Pr, ModeNo, ModeIdIndex);
872 if (rrti != 0xFFFF) {
873 SiS_SetCRT1Sync(SiS_Pr, rrti);
874 SiS_SetCRT1CRTC(SiS_Pr, ModeNo, ModeIdIndex, rrti);
875 SiS_SetCRT1Offset(SiS_Pr, ModeNo, ModeIdIndex, rrti);
876 SiS_SetCRT1VCLK(SiS_Pr, ModeNo, rrti);
879 SiS_SetCRT1FIFO_310(SiS_Pr, ModeNo, ModeIdIndex);
881 SiS_SetCRT1ModeRegs(SiS_Pr, ModeNo, ModeIdIndex, rrti);
883 SiS_LoadDAC(SiS_Pr, ModeNo, ModeIdIndex);
885 SiS_DisplayOn(SiS_Pr);
888 /*********************************************/
890 /*********************************************/
892 int SiSUSBSetMode(struct SiS_Private *SiS_Pr, unsigned short ModeNo)
894 unsigned short ModeIdIndex;
895 unsigned long BaseAddr = SiS_Pr->IOAddress;
897 SiSUSB_InitPtr(SiS_Pr);
898 SiSUSBRegInit(SiS_Pr, BaseAddr);
899 SiS_GetSysFlags(SiS_Pr);
901 if (!(SiS_SearchModeID(SiS_Pr, &ModeNo, &ModeIdIndex)))
904 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3c4, 0x05, 0x86);
906 SiSInitPCIetc(SiS_Pr);
910 SiS_Pr->SiS_ModeType =
911 SiS_Pr->SiS_EModeIDTable[ModeIdIndex].Ext_ModeFlag & ModeTypeMask;
913 SiS_Pr->SiS_SetFlag = LowModeTests;
915 /* Set mode on CRT1 */
916 SiS_SetCRT1Group(SiS_Pr, ModeNo, ModeIdIndex);
918 SiS_HandleCRT1(SiS_Pr);
920 SiS_DisplayOn(SiS_Pr);
921 SiS_SetRegByte(SiS_Pr, SiS_Pr->SiS_P3c6, 0xFF);
923 /* Store mode number */
924 SiS_SetReg(SiS_Pr, SiS_Pr->SiS_P3d4, 0x34, ModeNo);
929 int SiSUSBSetVESAMode(struct SiS_Private *SiS_Pr, unsigned short VModeNo)
931 unsigned short ModeNo = 0;
934 SiSUSB_InitPtr(SiS_Pr);
936 if (VModeNo == 0x03) {
945 if (SiS_Pr->SiS_EModeIDTable[i].Ext_VESAID == VModeNo) {
946 ModeNo = SiS_Pr->SiS_EModeIDTable[i].Ext_ModeID;
950 } while (SiS_Pr->SiS_EModeIDTable[i++].Ext_ModeID != 0xff);
957 return SiSUSBSetMode(SiS_Pr, ModeNo);
960 #endif /* INCL_SISUSB_CON */