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6
7#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
8
9#include <linux/sizes.h>
10#include <linux/module.h>
11#include <linux/pci.h>
12
13#include "XGI_main.h"
14#include "vb_init.h"
15#include "vb_util.h"
16#include "vb_setmode.h"
17
18#define Index_CR_GPIO_Reg1 0x48
19#define Index_CR_GPIO_Reg3 0x4a
20
21#define GPIOG_EN BIT(6)
22#define GPIOG_READ BIT(1)
23
24static char *forcecrt2type;
25static char *mode;
26static int vesa = -1;
27static unsigned int refresh_rate;
28
29
30
31#ifdef DEBUG
32static void dumpVGAReg(struct xgifb_video_info *xgifb_info)
33{
34 u8 i, reg;
35
36 xgifb_reg_set(XGISR, 0x05, 0x86);
37
38 for (i = 0; i < 0x4f; i++) {
39 reg = xgifb_reg_get(XGISR, i);
40 pr_debug("o 3c4 %x\n", i);
41 pr_debug("i 3c5 => %x\n", reg);
42 }
43
44 for (i = 0; i < 0xF0; i++) {
45 reg = xgifb_reg_get(XGICR, i);
46 pr_debug("o 3d4 %x\n", i);
47 pr_debug("i 3d5 => %x\n", reg);
48 }
49}
50#else
51static inline void dumpVGAReg(struct xgifb_video_info *xgifb_info)
52{
53}
54#endif
55
56
57
58static int XGIfb_mode_rate_to_dclock(struct vb_device_info *XGI_Pr,
59 struct xgi_hw_device_info *HwDeviceExtension,
60 unsigned char modeno)
61{
62 unsigned short ModeNo = modeno;
63 unsigned short ModeIdIndex = 0, ClockIndex = 0;
64 unsigned short RefreshRateTableIndex = 0;
65
66 InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
67
68 XGI_SearchModeID(ModeNo, &ModeIdIndex);
69
70 RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
71 ModeIdIndex, XGI_Pr);
72
73 ClockIndex = XGI330_RefIndex[RefreshRateTableIndex].Ext_CRTVCLK;
74
75 return XGI_VCLKData[ClockIndex].CLOCK * 1000;
76}
77
78static int XGIfb_mode_rate_to_ddata(struct vb_device_info *XGI_Pr,
79 struct xgi_hw_device_info *HwDeviceExtension,
80 unsigned char modeno, u32 *left_margin,
81 u32 *right_margin, u32 *upper_margin,
82 u32 *lower_margin, u32 *hsync_len,
83 u32 *vsync_len, u32 *sync, u32 *vmode)
84{
85 unsigned short ModeNo = modeno;
86 unsigned short ModeIdIndex, index = 0;
87 unsigned short RefreshRateTableIndex = 0;
88
89 unsigned short VRE, VBE, VRS, VDE;
90 unsigned short HRE, HBE, HRS, HDE;
91 unsigned char sr_data, cr_data, cr_data2;
92 int B, C, D, F, temp, j;
93
94 InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
95 if (!XGI_SearchModeID(ModeNo, &ModeIdIndex))
96 return 0;
97 RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
98 ModeIdIndex, XGI_Pr);
99 index = XGI330_RefIndex[RefreshRateTableIndex].Ext_CRT1CRTC;
100
101 sr_data = XGI_CRT1Table[index].CR[5];
102
103 HDE = XGI330_RefIndex[RefreshRateTableIndex].XRes >> 3;
104
105 cr_data = XGI_CRT1Table[index].CR[3];
106
107
108 HRS = (cr_data & 0xff) | ((unsigned short)(sr_data & 0xC0) << 2);
109 F = HRS - HDE - 3;
110
111 sr_data = XGI_CRT1Table[index].CR[6];
112
113 cr_data = XGI_CRT1Table[index].CR[2];
114
115 cr_data2 = XGI_CRT1Table[index].CR[4];
116
117
118 HBE = (cr_data & 0x1f) | ((unsigned short)(cr_data2 & 0x80) >> 2)
119 | ((unsigned short)(sr_data & 0x03) << 6);
120
121
122 HRE = (cr_data2 & 0x1f) | ((sr_data & 0x04) << 3);
123
124 temp = HBE - ((HDE - 1) & 255);
125 B = (temp > 0) ? temp : (temp + 256);
126
127 temp = HRE - ((HDE + F + 3) & 63);
128 C = (temp > 0) ? temp : (temp + 64);
129
130 D = B - F - C;
131
132 *left_margin = D * 8;
133 *right_margin = F * 8;
134 *hsync_len = C * 8;
135
136 sr_data = XGI_CRT1Table[index].CR[14];
137
138 cr_data2 = XGI_CRT1Table[index].CR[9];
139
140 VDE = XGI330_RefIndex[RefreshRateTableIndex].YRes;
141
142 cr_data = XGI_CRT1Table[index].CR[10];
143
144
145 VRS = (cr_data & 0xff) | ((unsigned short)(cr_data2 & 0x04) << 6)
146 | ((unsigned short)(cr_data2 & 0x80) << 2)
147 | ((unsigned short)(sr_data & 0x08) << 7);
148 F = VRS + 1 - VDE;
149
150 cr_data = XGI_CRT1Table[index].CR[13];
151
152
153 VBE = (cr_data & 0xff) | ((unsigned short)(sr_data & 0x10) << 4);
154 temp = VBE - ((VDE - 1) & 511);
155 B = (temp > 0) ? temp : (temp + 512);
156
157 cr_data = XGI_CRT1Table[index].CR[11];
158
159
160 VRE = (cr_data & 0x0f) | ((sr_data & 0x20) >> 1);
161 temp = VRE - ((VDE + F - 1) & 31);
162 C = (temp > 0) ? temp : (temp + 32);
163
164 D = B - F - C;
165
166 *upper_margin = D;
167 *lower_margin = F;
168 *vsync_len = C;
169
170 if (XGI330_RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x8000)
171 *sync &= ~FB_SYNC_VERT_HIGH_ACT;
172 else
173 *sync |= FB_SYNC_VERT_HIGH_ACT;
174
175 if (XGI330_RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x4000)
176 *sync &= ~FB_SYNC_HOR_HIGH_ACT;
177 else
178 *sync |= FB_SYNC_HOR_HIGH_ACT;
179
180 *vmode = FB_VMODE_NONINTERLACED;
181 if (XGI330_RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x0080)
182 *vmode = FB_VMODE_INTERLACED;
183 else {
184 j = 0;
185 while (XGI330_EModeIDTable[j].Ext_ModeID != 0xff) {
186 if (XGI330_EModeIDTable[j].Ext_ModeID ==
187 XGI330_RefIndex[RefreshRateTableIndex].ModeID) {
188 if (XGI330_EModeIDTable[j].Ext_ModeFlag &
189 DoubleScanMode) {
190 *vmode = FB_VMODE_DOUBLE;
191 }
192 break;
193 }
194 j++;
195 }
196 }
197
198 return 1;
199}
200
201void XGIRegInit(struct vb_device_info *XGI_Pr, unsigned long BaseAddr)
202{
203 XGI_Pr->P3c4 = BaseAddr + 0x14;
204 XGI_Pr->P3d4 = BaseAddr + 0x24;
205 XGI_Pr->P3c0 = BaseAddr + 0x10;
206 XGI_Pr->P3ce = BaseAddr + 0x1e;
207 XGI_Pr->P3c2 = BaseAddr + 0x12;
208 XGI_Pr->P3cc = BaseAddr + 0x1c;
209 XGI_Pr->P3ca = BaseAddr + 0x1a;
210 XGI_Pr->P3c6 = BaseAddr + 0x16;
211 XGI_Pr->P3c7 = BaseAddr + 0x17;
212 XGI_Pr->P3c8 = BaseAddr + 0x18;
213 XGI_Pr->P3c9 = BaseAddr + 0x19;
214 XGI_Pr->P3da = BaseAddr + 0x2A;
215 XGI_Pr->Part0Port = BaseAddr + XGI_CRT2_PORT_00;
216
217 XGI_Pr->Part1Port = BaseAddr + SIS_CRT2_PORT_04;
218
219 XGI_Pr->Part2Port = BaseAddr + SIS_CRT2_PORT_10;
220
221 XGI_Pr->Part3Port = BaseAddr + SIS_CRT2_PORT_12;
222
223 XGI_Pr->Part4Port = BaseAddr + SIS_CRT2_PORT_14;
224
225 XGI_Pr->Part5Port = BaseAddr + SIS_CRT2_PORT_14 + 2;
226}
227
228
229
230static int XGIfb_GetXG21DefaultLVDSModeIdx(struct xgifb_video_info *xgifb_info)
231{
232 int i = 0;
233
234 while ((XGIbios_mode[i].mode_no != 0) &&
235 (XGIbios_mode[i].xres <= xgifb_info->lvds_data.LVDSHDE)) {
236 if ((XGIbios_mode[i].xres == xgifb_info->lvds_data.LVDSHDE) &&
237 (XGIbios_mode[i].yres == xgifb_info->lvds_data.LVDSVDE) &&
238 (XGIbios_mode[i].bpp == 8)) {
239 return i;
240 }
241 i++;
242 }
243
244 return -1;
245}
246
247static void XGIfb_search_mode(struct xgifb_video_info *xgifb_info,
248 const char *name)
249{
250 unsigned int xres;
251 unsigned int yres;
252 unsigned int bpp;
253 int i;
254
255 if (sscanf(name, "%ux%ux%u", &xres, &yres, &bpp) != 3)
256 goto invalid_mode;
257
258 if (bpp == 24)
259 bpp = 32;
260
261 for (i = 0; XGIbios_mode[i].mode_no != 0; i++)
262 if (XGIbios_mode[i].xres == xres &&
263 XGIbios_mode[i].yres == yres &&
264 XGIbios_mode[i].bpp == bpp) {
265 xgifb_info->mode_idx = i;
266 return;
267 }
268invalid_mode:
269 pr_info("Invalid mode '%s'\n", name);
270}
271
272static void XGIfb_search_vesamode(struct xgifb_video_info *xgifb_info,
273 unsigned int vesamode)
274{
275 int i = 0;
276
277 if (vesamode == 0)
278 goto invalid;
279
280 vesamode &= 0x1dff;
281
282 while (XGIbios_mode[i].mode_no != 0) {
283 if ((XGIbios_mode[i].vesa_mode_no_1 == vesamode) ||
284 (XGIbios_mode[i].vesa_mode_no_2 == vesamode)) {
285 xgifb_info->mode_idx = i;
286 return;
287 }
288 i++;
289 }
290
291invalid:
292 pr_info("Invalid VESA mode 0x%x'\n", vesamode);
293}
294
295static int XGIfb_validate_mode(struct xgifb_video_info *xgifb_info, int myindex)
296{
297 u16 xres, yres;
298 struct xgi_hw_device_info *hw_info = &xgifb_info->hw_info;
299 unsigned long required_mem;
300
301 if (xgifb_info->chip == XG21) {
302 if (xgifb_info->display2 == XGIFB_DISP_LCD) {
303 xres = xgifb_info->lvds_data.LVDSHDE;
304 yres = xgifb_info->lvds_data.LVDSVDE;
305 if (XGIbios_mode[myindex].xres > xres)
306 return -1;
307 if (XGIbios_mode[myindex].yres > yres)
308 return -1;
309 if ((XGIbios_mode[myindex].xres < xres) &&
310 (XGIbios_mode[myindex].yres < yres)) {
311 if (XGIbios_mode[myindex].bpp > 8)
312 return -1;
313 }
314 }
315 goto check_memory;
316 }
317
318
319 if (xgifb_info->chip == XG27)
320 goto check_memory;
321
322 if (!(XGIbios_mode[myindex].chipset & MD_XGI315))
323 return -1;
324
325 switch (xgifb_info->display2) {
326 case XGIFB_DISP_LCD:
327 switch (hw_info->ulCRT2LCDType) {
328 case LCD_640x480:
329 xres = 640;
330 yres = 480;
331 break;
332 case LCD_800x600:
333 xres = 800;
334 yres = 600;
335 break;
336 case LCD_1024x600:
337 xres = 1024;
338 yres = 600;
339 break;
340 case LCD_1024x768:
341 xres = 1024;
342 yres = 768;
343 break;
344 case LCD_1152x768:
345 xres = 1152;
346 yres = 768;
347 break;
348 case LCD_1280x960:
349 xres = 1280;
350 yres = 960;
351 break;
352 case LCD_1280x768:
353 xres = 1280;
354 yres = 768;
355 break;
356 case LCD_1280x1024:
357 xres = 1280;
358 yres = 1024;
359 break;
360 case LCD_1400x1050:
361 xres = 1400;
362 yres = 1050;
363 break;
364 case LCD_1600x1200:
365 xres = 1600;
366 yres = 1200;
367 break;
368 default:
369 xres = 0;
370 yres = 0;
371 break;
372 }
373 if (XGIbios_mode[myindex].xres > xres)
374 return -1;
375 if (XGIbios_mode[myindex].yres > yres)
376 return -1;
377 if ((hw_info->ulExternalChip == 0x01) ||
378 (hw_info->ulExternalChip == 0x05)) {
379 switch (XGIbios_mode[myindex].xres) {
380 case 512:
381 if (XGIbios_mode[myindex].yres != 512)
382 return -1;
383 if (hw_info->ulCRT2LCDType == LCD_1024x600)
384 return -1;
385 break;
386 case 640:
387 if ((XGIbios_mode[myindex].yres != 400) &&
388 (XGIbios_mode[myindex].yres != 480))
389 return -1;
390 break;
391 case 800:
392 if (XGIbios_mode[myindex].yres != 600)
393 return -1;
394 break;
395 case 1024:
396 if ((XGIbios_mode[myindex].yres != 600) &&
397 (XGIbios_mode[myindex].yres != 768))
398 return -1;
399 if ((XGIbios_mode[myindex].yres == 600) &&
400 (hw_info->ulCRT2LCDType != LCD_1024x600))
401 return -1;
402 break;
403 case 1152:
404 if ((XGIbios_mode[myindex].yres) != 768)
405 return -1;
406 if (hw_info->ulCRT2LCDType != LCD_1152x768)
407 return -1;
408 break;
409 case 1280:
410 if ((XGIbios_mode[myindex].yres != 768) &&
411 (XGIbios_mode[myindex].yres != 1024))
412 return -1;
413 if ((XGIbios_mode[myindex].yres == 768) &&
414 (hw_info->ulCRT2LCDType != LCD_1280x768))
415 return -1;
416 break;
417 case 1400:
418 if (XGIbios_mode[myindex].yres != 1050)
419 return -1;
420 break;
421 case 1600:
422 if (XGIbios_mode[myindex].yres != 1200)
423 return -1;
424 break;
425 default:
426 return -1;
427 }
428 } else {
429 switch (XGIbios_mode[myindex].xres) {
430 case 512:
431 if (XGIbios_mode[myindex].yres != 512)
432 return -1;
433 break;
434 case 640:
435 if ((XGIbios_mode[myindex].yres != 400) &&
436 (XGIbios_mode[myindex].yres != 480))
437 return -1;
438 break;
439 case 800:
440 if (XGIbios_mode[myindex].yres != 600)
441 return -1;
442 break;
443 case 1024:
444 if (XGIbios_mode[myindex].yres != 768)
445 return -1;
446 break;
447 case 1280:
448 if ((XGIbios_mode[myindex].yres != 960) &&
449 (XGIbios_mode[myindex].yres != 1024))
450 return -1;
451 if (XGIbios_mode[myindex].yres == 960) {
452 if (hw_info->ulCRT2LCDType ==
453 LCD_1400x1050)
454 return -1;
455 }
456 break;
457 case 1400:
458 if (XGIbios_mode[myindex].yres != 1050)
459 return -1;
460 break;
461 case 1600:
462 if (XGIbios_mode[myindex].yres != 1200)
463 return -1;
464 break;
465 default:
466 return -1;
467 }
468 }
469 break;
470 case XGIFB_DISP_TV:
471 switch (XGIbios_mode[myindex].xres) {
472 case 512:
473 case 640:
474 case 800:
475 break;
476 case 720:
477 if (xgifb_info->TV_type == TVMODE_NTSC) {
478 if (XGIbios_mode[myindex].yres != 480)
479 return -1;
480 } else if (xgifb_info->TV_type == TVMODE_PAL) {
481 if (XGIbios_mode[myindex].yres != 576)
482 return -1;
483 }
484
485 if (xgifb_info->hasVB == HASVB_LVDS_CHRONTEL ||
486 xgifb_info->hasVB == HASVB_CHRONTEL) {
487 return -1;
488 }
489 break;
490 case 1024:
491 if (xgifb_info->TV_type == TVMODE_NTSC) {
492 if (XGIbios_mode[myindex].bpp == 32)
493 return -1;
494 }
495 break;
496 default:
497 return -1;
498 }
499 break;
500 case XGIFB_DISP_CRT:
501 if (XGIbios_mode[myindex].xres > 1280)
502 return -1;
503 break;
504 case XGIFB_DISP_NONE:
505 break;
506 }
507
508check_memory:
509 required_mem = XGIbios_mode[myindex].xres * XGIbios_mode[myindex].yres *
510 XGIbios_mode[myindex].bpp / 8;
511 if (required_mem > xgifb_info->video_size)
512 return -1;
513 return myindex;
514}
515
516static void XGIfb_search_crt2type(const char *name)
517{
518 int i = 0;
519
520 if (!name)
521 return;
522
523 while (XGI_crt2type[i].type_no != -1) {
524 if (!strcmp(name, XGI_crt2type[i].name)) {
525 XGIfb_crt2type = XGI_crt2type[i].type_no;
526 XGIfb_tvplug = XGI_crt2type[i].tvplug_no;
527 break;
528 }
529 i++;
530 }
531 if (XGIfb_crt2type < 0)
532 pr_info("Invalid CRT2 type: %s\n", name);
533}
534
535static u8 XGIfb_search_refresh_rate(struct xgifb_video_info *xgifb_info,
536 unsigned int rate)
537{
538 u16 xres, yres;
539 int i = 0;
540
541 xres = XGIbios_mode[xgifb_info->mode_idx].xres;
542 yres = XGIbios_mode[xgifb_info->mode_idx].yres;
543
544 xgifb_info->rate_idx = 0;
545 while ((XGIfb_vrate[i].idx != 0) && (XGIfb_vrate[i].xres <= xres)) {
546 if ((XGIfb_vrate[i].xres == xres) &&
547 (XGIfb_vrate[i].yres == yres)) {
548 if (XGIfb_vrate[i].refresh == rate) {
549 xgifb_info->rate_idx = XGIfb_vrate[i].idx;
550 break;
551 } else if (XGIfb_vrate[i].refresh > rate) {
552 if ((XGIfb_vrate[i].refresh - rate) <= 3) {
553 pr_debug("Adjusting rate from %d up to %d\n",
554 rate, XGIfb_vrate[i].refresh);
555 xgifb_info->rate_idx =
556 XGIfb_vrate[i].idx;
557 xgifb_info->refresh_rate =
558 XGIfb_vrate[i].refresh;
559 } else if (((rate - XGIfb_vrate[i - 1].refresh)
560 <= 2) && (XGIfb_vrate[i].idx
561 != 1)) {
562 pr_debug("Adjusting rate from %d down to %d\n",
563 rate,
564 XGIfb_vrate[i - 1].refresh);
565 xgifb_info->rate_idx =
566 XGIfb_vrate[i - 1].idx;
567 xgifb_info->refresh_rate =
568 XGIfb_vrate[i - 1].refresh;
569 }
570 break;
571 } else if ((rate - XGIfb_vrate[i].refresh) <= 2) {
572 pr_debug("Adjusting rate from %d down to %d\n",
573 rate, XGIfb_vrate[i].refresh);
574 xgifb_info->rate_idx = XGIfb_vrate[i].idx;
575 break;
576 }
577 }
578 i++;
579 }
580 if (xgifb_info->rate_idx > 0)
581 return xgifb_info->rate_idx;
582 pr_info("Unsupported rate %d for %dx%d\n",
583 rate, xres, yres);
584 return 0;
585}
586
587static void XGIfb_search_tvstd(const char *name)
588{
589 int i = 0;
590
591 if (!name)
592 return;
593
594 while (XGI_tvtype[i].type_no != -1) {
595 if (!strcmp(name, XGI_tvtype[i].name)) {
596 XGIfb_tvmode = XGI_tvtype[i].type_no;
597 break;
598 }
599 i++;
600 }
601}
602
603
604
605static void XGIfb_bpp_to_var(struct xgifb_video_info *xgifb_info,
606 struct fb_var_screeninfo *var)
607{
608 switch (var->bits_per_pixel) {
609 case 8:
610 var->red.offset = 0;
611 var->green.offset = 0;
612 var->blue.offset = 0;
613 var->red.length = 6;
614 var->green.length = 6;
615 var->blue.length = 6;
616 xgifb_info->video_cmap_len = 256;
617 break;
618 case 16:
619 var->red.offset = 11;
620 var->red.length = 5;
621 var->green.offset = 5;
622 var->green.length = 6;
623 var->blue.offset = 0;
624 var->blue.length = 5;
625 var->transp.offset = 0;
626 var->transp.length = 0;
627 xgifb_info->video_cmap_len = 16;
628 break;
629 case 32:
630 var->red.offset = 16;
631 var->red.length = 8;
632 var->green.offset = 8;
633 var->green.length = 8;
634 var->blue.offset = 0;
635 var->blue.length = 8;
636 var->transp.offset = 24;
637 var->transp.length = 8;
638 xgifb_info->video_cmap_len = 16;
639 break;
640 }
641}
642
643
644
645static void XGIfb_pre_setmode(struct xgifb_video_info *xgifb_info)
646{
647 u8 cr30 = 0, cr31 = 0;
648
649 cr31 = xgifb_reg_get(XGICR, 0x31);
650 cr31 &= ~0x60;
651
652 switch (xgifb_info->display2) {
653 case XGIFB_DISP_CRT:
654 cr30 = SIS_VB_OUTPUT_CRT2 | SIS_SIMULTANEOUS_VIEW_ENABLE;
655 cr31 |= SIS_DRIVER_MODE;
656 break;
657 case XGIFB_DISP_LCD:
658 cr30 = SIS_VB_OUTPUT_LCD | SIS_SIMULTANEOUS_VIEW_ENABLE;
659 cr31 |= SIS_DRIVER_MODE;
660 break;
661 case XGIFB_DISP_TV:
662 if (xgifb_info->TV_type == TVMODE_HIVISION)
663 cr30 = SIS_VB_OUTPUT_HIVISION
664 | SIS_SIMULTANEOUS_VIEW_ENABLE;
665 else if (xgifb_info->TV_plug == TVPLUG_SVIDEO)
666 cr30 = SIS_VB_OUTPUT_SVIDEO
667 | SIS_SIMULTANEOUS_VIEW_ENABLE;
668 else if (xgifb_info->TV_plug == TVPLUG_COMPOSITE)
669 cr30 = SIS_VB_OUTPUT_COMPOSITE
670 | SIS_SIMULTANEOUS_VIEW_ENABLE;
671 else if (xgifb_info->TV_plug == TVPLUG_SCART)
672 cr30 = SIS_VB_OUTPUT_SCART
673 | SIS_SIMULTANEOUS_VIEW_ENABLE;
674 cr31 |= SIS_DRIVER_MODE;
675
676 if (XGIfb_tvmode == 1 || xgifb_info->TV_type == TVMODE_PAL)
677 cr31 |= 0x01;
678 else
679 cr31 &= ~0x01;
680 break;
681 default:
682 cr30 = 0x00;
683 cr31 |= (SIS_DRIVER_MODE | SIS_VB_OUTPUT_DISABLE);
684 }
685
686 xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR30, cr30);
687 xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR31, cr31);
688 xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR33,
689 (xgifb_info->rate_idx & 0x0F));
690}
691
692static void XGIfb_post_setmode(struct xgifb_video_info *xgifb_info)
693{
694 u8 reg;
695 unsigned char doit = 1;
696
697 if (xgifb_info->video_bpp == 8) {
698
699
700
701
702 if ((xgifb_info->hasVB == HASVB_LVDS) ||
703 (xgifb_info->hasVB == HASVB_LVDS_CHRONTEL)) {
704 doit = 0;
705 }
706
707
708
709
710 if (xgifb_info->display2 == XGIFB_DISP_LCD)
711 doit = 0;
712 }
713
714
715 if (xgifb_info->hasVB != HASVB_NONE) {
716 reg = xgifb_reg_get(XGIPART1, 0x00);
717
718 if ((reg & 0x50) == 0x10)
719 doit = 0;
720
721 } else {
722 XGIfb_crt1off = 0;
723 }
724
725 reg = xgifb_reg_get(XGICR, 0x17);
726 if ((XGIfb_crt1off) && (doit))
727 reg &= ~0x80;
728 else
729 reg |= 0x80;
730 xgifb_reg_set(XGICR, 0x17, reg);
731
732 xgifb_reg_and(XGISR, IND_SIS_RAMDAC_CONTROL, ~0x04);
733
734 if (xgifb_info->display2 == XGIFB_DISP_TV &&
735 xgifb_info->hasVB == HASVB_301) {
736 reg = xgifb_reg_get(XGIPART4, 0x01);
737
738 if (reg < 0xB0) {
739 int filter_tb;
740
741 switch (xgifb_info->video_width) {
742 case 320:
743 filter_tb = (xgifb_info->TV_type ==
744 TVMODE_NTSC) ? 4 : 12;
745 break;
746 case 640:
747 filter_tb = (xgifb_info->TV_type ==
748 TVMODE_NTSC) ? 5 : 13;
749 break;
750 case 720:
751 filter_tb = (xgifb_info->TV_type ==
752 TVMODE_NTSC) ? 6 : 14;
753 break;
754 case 800:
755 filter_tb = (xgifb_info->TV_type ==
756 TVMODE_NTSC) ? 7 : 15;
757 break;
758 default:
759 filter_tb = 0;
760 filter = -1;
761 break;
762 }
763 xgifb_reg_or(XGIPART1,
764 SIS_CRT2_WENABLE_315,
765 0x01);
766
767 if (xgifb_info->TV_type == TVMODE_NTSC) {
768 xgifb_reg_and(XGIPART2, 0x3a, 0x1f);
769
770 if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
771 xgifb_reg_and(XGIPART2, 0x30, 0xdf);
772
773 } else if (xgifb_info->TV_plug
774 == TVPLUG_COMPOSITE) {
775 xgifb_reg_or(XGIPART2, 0x30, 0x20);
776
777 switch (xgifb_info->video_width) {
778 case 640:
779 xgifb_reg_set(XGIPART2,
780 0x35,
781 0xEB);
782 xgifb_reg_set(XGIPART2,
783 0x36,
784 0x04);
785 xgifb_reg_set(XGIPART2,
786 0x37,
787 0x25);
788 xgifb_reg_set(XGIPART2,
789 0x38,
790 0x18);
791 break;
792 case 720:
793 xgifb_reg_set(XGIPART2,
794 0x35,
795 0xEE);
796 xgifb_reg_set(XGIPART2,
797 0x36,
798 0x0C);
799 xgifb_reg_set(XGIPART2,
800 0x37,
801 0x22);
802 xgifb_reg_set(XGIPART2,
803 0x38,
804 0x08);
805 break;
806 case 800:
807 xgifb_reg_set(XGIPART2,
808 0x35,
809 0xEB);
810 xgifb_reg_set(XGIPART2,
811 0x36,
812 0x15);
813 xgifb_reg_set(XGIPART2,
814 0x37,
815 0x25);
816 xgifb_reg_set(XGIPART2,
817 0x38,
818 0xF6);
819 break;
820 }
821 }
822
823 } else if (xgifb_info->TV_type == TVMODE_PAL) {
824 xgifb_reg_and(XGIPART2, 0x3A, 0x1F);
825
826 if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
827 xgifb_reg_and(XGIPART2, 0x30, 0xDF);
828
829 } else if (xgifb_info->TV_plug
830 == TVPLUG_COMPOSITE) {
831 xgifb_reg_or(XGIPART2, 0x30, 0x20);
832
833 switch (xgifb_info->video_width) {
834 case 640:
835 xgifb_reg_set(XGIPART2,
836 0x35,
837 0xF1);
838 xgifb_reg_set(XGIPART2,
839 0x36,
840 0xF7);
841 xgifb_reg_set(XGIPART2,
842 0x37,
843 0x1F);
844 xgifb_reg_set(XGIPART2,
845 0x38,
846 0x32);
847 break;
848 case 720:
849 xgifb_reg_set(XGIPART2,
850 0x35,
851 0xF3);
852 xgifb_reg_set(XGIPART2,
853 0x36,
854 0x00);
855 xgifb_reg_set(XGIPART2,
856 0x37,
857 0x1D);
858 xgifb_reg_set(XGIPART2,
859 0x38,
860 0x20);
861 break;
862 case 800:
863 xgifb_reg_set(XGIPART2,
864 0x35,
865 0xFC);
866 xgifb_reg_set(XGIPART2,
867 0x36,
868 0xFB);
869 xgifb_reg_set(XGIPART2,
870 0x37,
871 0x14);
872 xgifb_reg_set(XGIPART2,
873 0x38,
874 0x2A);
875 break;
876 }
877 }
878 }
879
880 if ((filter >= 0) && (filter <= 7)) {
881 pr_debug("FilterTable[%d]-%d: %*ph\n",
882 filter_tb, filter,
883 4, XGI_TV_filter[filter_tb].
884 filter[filter]);
885 xgifb_reg_set(
886 XGIPART2,
887 0x35,
888 (XGI_TV_filter[filter_tb].
889 filter[filter][0]));
890 xgifb_reg_set(
891 XGIPART2,
892 0x36,
893 (XGI_TV_filter[filter_tb].
894 filter[filter][1]));
895 xgifb_reg_set(
896 XGIPART2,
897 0x37,
898 (XGI_TV_filter[filter_tb].
899 filter[filter][2]));
900 xgifb_reg_set(
901 XGIPART2,
902 0x38,
903 (XGI_TV_filter[filter_tb].
904 filter[filter][3]));
905 }
906 }
907 }
908}
909
910static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive,
911 struct fb_info *info)
912{
913 struct xgifb_video_info *xgifb_info = info->par;
914 struct xgi_hw_device_info *hw_info = &xgifb_info->hw_info;
915 unsigned int htotal = var->left_margin + var->xres + var->right_margin
916 + var->hsync_len;
917 unsigned int vtotal = var->upper_margin + var->yres + var->lower_margin
918 + var->vsync_len;
919#if defined(__BIG_ENDIAN)
920 u8 cr_data;
921#endif
922 unsigned int drate = 0, hrate = 0;
923 int found_mode = 0;
924 int old_mode;
925
926 info->var.xres_virtual = var->xres_virtual;
927 info->var.yres_virtual = var->yres_virtual;
928 info->var.bits_per_pixel = var->bits_per_pixel;
929
930 if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED)
931 vtotal <<= 1;
932 else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE)
933 vtotal <<= 2;
934
935 if (!htotal || !vtotal) {
936 pr_debug("Invalid 'var' information\n");
937 return -EINVAL;
938 } pr_debug("var->pixclock=%d, htotal=%d, vtotal=%d\n",
939 var->pixclock, htotal, vtotal);
940
941 if (var->pixclock) {
942 drate = 1000000000 / var->pixclock;
943 hrate = (drate * 1000) / htotal;
944 xgifb_info->refresh_rate = (unsigned int)(hrate * 2
945 / vtotal);
946 } else {
947 xgifb_info->refresh_rate = 60;
948 }
949
950 pr_debug("Change mode to %dx%dx%d-%dHz\n",
951 var->xres, var->yres, var->bits_per_pixel,
952 xgifb_info->refresh_rate);
953
954 old_mode = xgifb_info->mode_idx;
955 xgifb_info->mode_idx = 0;
956
957 while ((XGIbios_mode[xgifb_info->mode_idx].mode_no != 0) &&
958 (XGIbios_mode[xgifb_info->mode_idx].xres <= var->xres)) {
959 if ((XGIbios_mode[xgifb_info->mode_idx].xres == var->xres) &&
960 (XGIbios_mode[xgifb_info->mode_idx].yres == var->yres) &&
961 (XGIbios_mode[xgifb_info->mode_idx].bpp
962 == var->bits_per_pixel)) {
963 found_mode = 1;
964 break;
965 }
966 xgifb_info->mode_idx++;
967 }
968
969 if (found_mode)
970 xgifb_info->mode_idx = XGIfb_validate_mode(xgifb_info,
971 xgifb_info->mode_idx);
972 else
973 xgifb_info->mode_idx = -1;
974
975 if (xgifb_info->mode_idx < 0) {
976 pr_err("Mode %dx%dx%d not supported\n",
977 var->xres, var->yres, var->bits_per_pixel);
978 xgifb_info->mode_idx = old_mode;
979 return -EINVAL;
980 }
981
982 if (XGIfb_search_refresh_rate(xgifb_info,
983 xgifb_info->refresh_rate) == 0) {
984 xgifb_info->rate_idx = 1;
985 xgifb_info->refresh_rate = 60;
986 }
987
988 if (isactive) {
989 XGIfb_pre_setmode(xgifb_info);
990 if (XGISetModeNew(xgifb_info, hw_info,
991 XGIbios_mode[xgifb_info->mode_idx].mode_no)
992 == 0) {
993 pr_err("Setting mode[0x%x] failed\n",
994 XGIbios_mode[xgifb_info->mode_idx].mode_no);
995 return -EINVAL;
996 }
997 info->fix.line_length = (info->var.xres_virtual
998 * info->var.bits_per_pixel) >> 6;
999
1000 xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD);
1001
1002 xgifb_reg_set(XGICR, 0x13, (info->fix.line_length & 0x00ff));
1003 xgifb_reg_set(XGISR,
1004 0x0E,
1005 (info->fix.line_length & 0xff00) >> 8);
1006
1007 XGIfb_post_setmode(xgifb_info);
1008
1009 pr_debug("Set new mode: %dx%dx%d-%d\n",
1010 XGIbios_mode[xgifb_info->mode_idx].xres,
1011 XGIbios_mode[xgifb_info->mode_idx].yres,
1012 XGIbios_mode[xgifb_info->mode_idx].bpp,
1013 xgifb_info->refresh_rate);
1014
1015 xgifb_info->video_bpp = XGIbios_mode[xgifb_info->mode_idx].bpp;
1016 xgifb_info->video_vwidth = info->var.xres_virtual;
1017 xgifb_info->video_width =
1018 XGIbios_mode[xgifb_info->mode_idx].xres;
1019 xgifb_info->video_vheight = info->var.yres_virtual;
1020 xgifb_info->video_height =
1021 XGIbios_mode[xgifb_info->mode_idx].yres;
1022 xgifb_info->org_x = 0;
1023 xgifb_info->org_y = 0;
1024 xgifb_info->video_linelength = info->var.xres_virtual
1025 * (xgifb_info->video_bpp >> 3);
1026 switch (xgifb_info->video_bpp) {
1027 case 8:
1028 xgifb_info->DstColor = 0x0000;
1029 xgifb_info->XGI310_AccelDepth = 0x00000000;
1030 xgifb_info->video_cmap_len = 256;
1031#if defined(__BIG_ENDIAN)
1032 cr_data = xgifb_reg_get(XGICR, 0x4D);
1033 xgifb_reg_set(XGICR, 0x4D, (cr_data & 0xE0));
1034#endif
1035 break;
1036 case 16:
1037 xgifb_info->DstColor = 0x8000;
1038 xgifb_info->XGI310_AccelDepth = 0x00010000;
1039#if defined(__BIG_ENDIAN)
1040 cr_data = xgifb_reg_get(XGICR, 0x4D);
1041 xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x0B));
1042#endif
1043 xgifb_info->video_cmap_len = 16;
1044 break;
1045 case 32:
1046 xgifb_info->DstColor = 0xC000;
1047 xgifb_info->XGI310_AccelDepth = 0x00020000;
1048 xgifb_info->video_cmap_len = 16;
1049#if defined(__BIG_ENDIAN)
1050 cr_data = xgifb_reg_get(XGICR, 0x4D);
1051 xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x15));
1052#endif
1053 break;
1054 default:
1055 xgifb_info->video_cmap_len = 16;
1056 pr_err("Unsupported depth %d\n",
1057 xgifb_info->video_bpp);
1058 break;
1059 }
1060 }
1061 XGIfb_bpp_to_var(xgifb_info, var);
1062
1063 dumpVGAReg(xgifb_info);
1064 return 0;
1065}
1066
1067static int XGIfb_pan_var(struct fb_var_screeninfo *var, struct fb_info *info)
1068{
1069 struct xgifb_video_info *xgifb_info = info->par;
1070 unsigned int base;
1071
1072 base = var->yoffset * info->var.xres_virtual + var->xoffset;
1073
1074
1075 switch (info->var.bits_per_pixel) {
1076 case 16:
1077 base >>= 1;
1078 break;
1079 case 32:
1080 break;
1081 case 8:
1082 default:
1083 base >>= 2;
1084 break;
1085 }
1086
1087 xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD);
1088
1089 xgifb_reg_set(XGICR, 0x0D, base & 0xFF);
1090 xgifb_reg_set(XGICR, 0x0C, (base >> 8) & 0xFF);
1091 xgifb_reg_set(XGISR, 0x0D, (base >> 16) & 0xFF);
1092 xgifb_reg_set(XGISR, 0x37, (base >> 24) & 0x03);
1093 xgifb_reg_and_or(XGISR, 0x37, 0xDF, (base >> 21) & 0x04);
1094
1095 if (xgifb_info->display2 != XGIFB_DISP_NONE) {
1096 xgifb_reg_or(XGIPART1, SIS_CRT2_WENABLE_315, 0x01);
1097 xgifb_reg_set(XGIPART1, 0x06, (base & 0xFF));
1098 xgifb_reg_set(XGIPART1, 0x05, ((base >> 8) & 0xFF));
1099 xgifb_reg_set(XGIPART1, 0x04, ((base >> 16) & 0xFF));
1100 xgifb_reg_and_or(XGIPART1,
1101 0x02,
1102 0x7F,
1103 ((base >> 24) & 0x01) << 7);
1104 }
1105 return 0;
1106}
1107
1108static int XGIfb_open(struct fb_info *info, int user)
1109{
1110 return 0;
1111}
1112
1113static int XGIfb_release(struct fb_info *info, int user)
1114{
1115 return 0;
1116}
1117
1118
1119static int XGIfb_get_cmap_len(const struct fb_var_screeninfo *var)
1120{
1121 return (var->bits_per_pixel == 8) ? 256 : 16;
1122}
1123
1124static int XGIfb_setcolreg(unsigned int regno, unsigned int red,
1125 unsigned int green, unsigned int blue,
1126 unsigned int transp, struct fb_info *info)
1127{
1128 struct xgifb_video_info *xgifb_info = info->par;
1129
1130 if (regno >= XGIfb_get_cmap_len(&info->var))
1131 return 1;
1132
1133 switch (info->var.bits_per_pixel) {
1134 case 8:
1135 outb(regno, XGIDACA);
1136 outb((red >> 10), XGIDACD);
1137 outb((green >> 10), XGIDACD);
1138 outb((blue >> 10), XGIDACD);
1139 if (xgifb_info->display2 != XGIFB_DISP_NONE) {
1140 outb(regno, XGIDAC2A);
1141 outb((red >> 8), XGIDAC2D);
1142 outb((green >> 8), XGIDAC2D);
1143 outb((blue >> 8), XGIDAC2D);
1144 }
1145 break;
1146 case 16:
1147 ((u32 *)(info->pseudo_palette))[regno] = ((red & 0xf800))
1148 | ((green & 0xfc00) >> 5) | ((blue & 0xf800)
1149 >> 11);
1150 break;
1151 case 32:
1152 red >>= 8;
1153 green >>= 8;
1154 blue >>= 8;
1155 ((u32 *)(info->pseudo_palette))[regno] = (red << 16) | (green
1156 << 8) | (blue);
1157 break;
1158 }
1159 return 0;
1160}
1161
1162
1163
1164static int XGIfb_get_fix(struct fb_fix_screeninfo *fix, int con,
1165 struct fb_info *info)
1166{
1167 struct xgifb_video_info *xgifb_info = info->par;
1168
1169 memset(fix, 0, sizeof(struct fb_fix_screeninfo));
1170
1171 strncpy(fix->id, "XGI", sizeof(fix->id) - 1);
1172
1173
1174 if (atomic_read(&info->count))
1175 mutex_lock(&info->mm_lock);
1176
1177 fix->smem_start = xgifb_info->video_base;
1178 fix->smem_len = xgifb_info->video_size;
1179
1180
1181 if (atomic_read(&info->count))
1182 mutex_unlock(&info->mm_lock);
1183
1184 fix->type = FB_TYPE_PACKED_PIXELS;
1185 fix->type_aux = 0;
1186 if (xgifb_info->video_bpp == 8)
1187 fix->visual = FB_VISUAL_PSEUDOCOLOR;
1188 else
1189 fix->visual = FB_VISUAL_DIRECTCOLOR;
1190 fix->xpanstep = 0;
1191 if (XGIfb_ypan)
1192 fix->ypanstep = 1;
1193 fix->ywrapstep = 0;
1194 fix->line_length = xgifb_info->video_linelength;
1195 fix->mmio_start = xgifb_info->mmio_base;
1196 fix->mmio_len = xgifb_info->mmio_size;
1197 fix->accel = FB_ACCEL_SIS_XABRE;
1198
1199 return 0;
1200}
1201
1202static int XGIfb_set_par(struct fb_info *info)
1203{
1204 int err;
1205
1206 err = XGIfb_do_set_var(&info->var, 1, info);
1207 if (err)
1208 return err;
1209 XGIfb_get_fix(&info->fix, -1, info);
1210 return 0;
1211}
1212
1213static int XGIfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
1214{
1215 struct xgifb_video_info *xgifb_info = info->par;
1216 unsigned int htotal = var->left_margin + var->xres + var->right_margin
1217 + var->hsync_len;
1218 unsigned int vtotal = 0;
1219 unsigned int drate = 0, hrate = 0;
1220 int found_mode = 0;
1221 int search_idx;
1222
1223 if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED) {
1224 vtotal = var->upper_margin + var->yres + var->lower_margin
1225 + var->vsync_len;
1226 vtotal <<= 1;
1227 } else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) {
1228 vtotal = var->upper_margin + var->yres + var->lower_margin
1229 + var->vsync_len;
1230 vtotal <<= 2;
1231 } else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
1232 vtotal = var->upper_margin + (var->yres / 2)
1233 + var->lower_margin + var->vsync_len;
1234 } else
1235 vtotal = var->upper_margin + var->yres + var->lower_margin
1236 + var->vsync_len;
1237
1238 if (!(htotal) || !(vtotal)) {
1239 pr_debug("No valid timing data\n");
1240 return -EINVAL;
1241 }
1242
1243 if (var->pixclock && htotal && vtotal) {
1244 drate = 1000000000 / var->pixclock;
1245 hrate = (drate * 1000) / htotal;
1246 xgifb_info->refresh_rate =
1247 (unsigned int)(hrate * 2 / vtotal);
1248 pr_debug(
1249 "%s: pixclock = %d ,htotal=%d, vtotal=%d\n"
1250 "%s: drate=%d, hrate=%d, refresh_rate=%d\n",
1251 __func__, var->pixclock, htotal, vtotal,
1252 __func__, drate, hrate, xgifb_info->refresh_rate);
1253 } else {
1254 xgifb_info->refresh_rate = 60;
1255 }
1256
1257 search_idx = 0;
1258 while ((XGIbios_mode[search_idx].mode_no != 0) &&
1259 (XGIbios_mode[search_idx].xres <= var->xres)) {
1260 if ((XGIbios_mode[search_idx].xres == var->xres) &&
1261 (XGIbios_mode[search_idx].yres == var->yres) &&
1262 (XGIbios_mode[search_idx].bpp == var->bits_per_pixel)) {
1263 if (XGIfb_validate_mode(xgifb_info, search_idx) > 0) {
1264 found_mode = 1;
1265 break;
1266 }
1267 }
1268 search_idx++;
1269 }
1270
1271 if (!found_mode) {
1272 pr_err("%dx%dx%d is no valid mode\n",
1273 var->xres, var->yres, var->bits_per_pixel);
1274 search_idx = 0;
1275 while (XGIbios_mode[search_idx].mode_no != 0) {
1276 if ((var->xres <= XGIbios_mode[search_idx].xres) &&
1277 (var->yres <= XGIbios_mode[search_idx].yres) &&
1278 (var->bits_per_pixel ==
1279 XGIbios_mode[search_idx].bpp)) {
1280 if (XGIfb_validate_mode(xgifb_info,
1281 search_idx) > 0) {
1282 found_mode = 1;
1283 break;
1284 }
1285 }
1286 search_idx++;
1287 }
1288 if (found_mode) {
1289 var->xres = XGIbios_mode[search_idx].xres;
1290 var->yres = XGIbios_mode[search_idx].yres;
1291 pr_debug("Adapted to mode %dx%dx%d\n",
1292 var->xres, var->yres, var->bits_per_pixel);
1293
1294 } else {
1295 pr_err("Failed to find similar mode to %dx%dx%d\n",
1296 var->xres, var->yres, var->bits_per_pixel);
1297 return -EINVAL;
1298 }
1299 }
1300
1301
1302 XGIfb_bpp_to_var(xgifb_info, var);
1303
1304 if (!XGIfb_ypan) {
1305 if (var->xres != var->xres_virtual)
1306 var->xres_virtual = var->xres;
1307 if (var->yres != var->yres_virtual)
1308 var->yres_virtual = var->yres;
1309 }
1310
1311
1312 if (var->xoffset > var->xres_virtual - var->xres)
1313 var->xoffset = var->xres_virtual - var->xres - 1;
1314
1315 if (var->yoffset > var->yres_virtual - var->yres)
1316 var->yoffset = var->yres_virtual - var->yres - 1;
1317
1318
1319 var->red.msb_right = 0;
1320 var->green.msb_right = 0;
1321 var->blue.msb_right = 0;
1322 var->transp.offset = 0;
1323 var->transp.length = 0;
1324 var->transp.msb_right = 0;
1325
1326 return 0;
1327}
1328
1329static int XGIfb_pan_display(struct fb_var_screeninfo *var,
1330 struct fb_info *info)
1331{
1332 int err;
1333
1334 if (var->xoffset > (info->var.xres_virtual - info->var.xres))
1335 return -EINVAL;
1336 if (var->yoffset > (info->var.yres_virtual - info->var.yres))
1337 return -EINVAL;
1338
1339 if (var->vmode & FB_VMODE_YWRAP) {
1340 if (var->yoffset >= info->var.yres_virtual || var->xoffset)
1341 return -EINVAL;
1342 } else if (var->xoffset + info->var.xres > info->var.xres_virtual ||
1343 var->yoffset + info->var.yres > info->var.yres_virtual) {
1344 return -EINVAL;
1345 }
1346 err = XGIfb_pan_var(var, info);
1347 if (err < 0)
1348 return err;
1349
1350 info->var.xoffset = var->xoffset;
1351 info->var.yoffset = var->yoffset;
1352 if (var->vmode & FB_VMODE_YWRAP)
1353 info->var.vmode |= FB_VMODE_YWRAP;
1354 else
1355 info->var.vmode &= ~FB_VMODE_YWRAP;
1356
1357 return 0;
1358}
1359
1360static int XGIfb_blank(int blank, struct fb_info *info)
1361{
1362 struct xgifb_video_info *xgifb_info = info->par;
1363 u8 reg;
1364
1365 reg = xgifb_reg_get(XGICR, 0x17);
1366
1367 if (blank > 0)
1368 reg &= 0x7f;
1369 else
1370 reg |= 0x80;
1371
1372 xgifb_reg_set(XGICR, 0x17, reg);
1373 xgifb_reg_set(XGISR, 0x00, 0x01);
1374 xgifb_reg_set(XGISR, 0x00, 0x03);
1375 return 0;
1376}
1377
1378static struct fb_ops XGIfb_ops = {
1379 .owner = THIS_MODULE,
1380 .fb_open = XGIfb_open,
1381 .fb_release = XGIfb_release,
1382 .fb_check_var = XGIfb_check_var,
1383 .fb_set_par = XGIfb_set_par,
1384 .fb_setcolreg = XGIfb_setcolreg,
1385 .fb_pan_display = XGIfb_pan_display,
1386 .fb_blank = XGIfb_blank,
1387 .fb_fillrect = cfb_fillrect,
1388 .fb_copyarea = cfb_copyarea,
1389 .fb_imageblit = cfb_imageblit,
1390};
1391
1392
1393
1394
1395
1396static int XGIfb_get_dram_size(struct xgifb_video_info *xgifb_info)
1397{
1398 u8 ChannelNum, tmp;
1399 u8 reg = 0;
1400
1401
1402 if (xgifb_info->chip == XG27)
1403 xgifb_reg_set(XGISR, IND_SIS_DRAM_SIZE, 0x51);
1404
1405 reg = xgifb_reg_get(XGISR, IND_SIS_DRAM_SIZE);
1406 if (!reg)
1407 return -1;
1408
1409 switch ((reg & XGI_DRAM_SIZE_MASK) >> 4) {
1410 case XGI_DRAM_SIZE_1MB:
1411 xgifb_info->video_size = 0x100000;
1412 break;
1413 case XGI_DRAM_SIZE_2MB:
1414 xgifb_info->video_size = 0x200000;
1415 break;
1416 case XGI_DRAM_SIZE_4MB:
1417 xgifb_info->video_size = 0x400000;
1418 break;
1419 case XGI_DRAM_SIZE_8MB:
1420 xgifb_info->video_size = 0x800000;
1421 break;
1422 case XGI_DRAM_SIZE_16MB:
1423 xgifb_info->video_size = 0x1000000;
1424 break;
1425 case XGI_DRAM_SIZE_32MB:
1426 xgifb_info->video_size = 0x2000000;
1427 break;
1428 case XGI_DRAM_SIZE_64MB:
1429 xgifb_info->video_size = 0x4000000;
1430 break;
1431 case XGI_DRAM_SIZE_128MB:
1432 xgifb_info->video_size = 0x8000000;
1433 break;
1434 case XGI_DRAM_SIZE_256MB:
1435 xgifb_info->video_size = 0x10000000;
1436 break;
1437 default:
1438 return -1;
1439 }
1440
1441 tmp = (reg & 0x0c) >> 2;
1442 switch (xgifb_info->chip) {
1443 case XG20:
1444 case XG21:
1445 case XG27:
1446 ChannelNum = 1;
1447 break;
1448
1449 case XG42:
1450 if (reg & 0x04)
1451 ChannelNum = 2;
1452 else
1453 ChannelNum = 1;
1454 break;
1455
1456 case XG40:
1457 default:
1458 if (tmp == 2)
1459 ChannelNum = 2;
1460 else if (tmp == 3)
1461 ChannelNum = 3;
1462 else
1463 ChannelNum = 1;
1464 break;
1465 }
1466
1467 xgifb_info->video_size = xgifb_info->video_size * ChannelNum;
1468
1469 pr_info("SR14=%x DramSzie %x ChannelNum %x\n",
1470 reg, xgifb_info->video_size, ChannelNum);
1471 return 0;
1472}
1473
1474static void XGIfb_detect_VB(struct xgifb_video_info *xgifb_info)
1475{
1476 u8 cr32, temp = 0;
1477
1478 xgifb_info->TV_plug = 0;
1479 xgifb_info->TV_type = 0;
1480
1481 cr32 = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR32);
1482
1483 if ((cr32 & SIS_CRT1) && !XGIfb_crt1off)
1484 XGIfb_crt1off = 0;
1485 else {
1486 if (cr32 & 0x5F)
1487 XGIfb_crt1off = 1;
1488 else
1489 XGIfb_crt1off = 0;
1490 }
1491
1492 if (!xgifb_info->display2_force) {
1493 if (cr32 & SIS_VB_TV)
1494 xgifb_info->display2 = XGIFB_DISP_TV;
1495 else if (cr32 & SIS_VB_LCD)
1496 xgifb_info->display2 = XGIFB_DISP_LCD;
1497 else if (cr32 & SIS_VB_CRT2)
1498 xgifb_info->display2 = XGIFB_DISP_CRT;
1499 else
1500 xgifb_info->display2 = XGIFB_DISP_NONE;
1501 }
1502
1503 if (XGIfb_tvplug != -1)
1504
1505 xgifb_info->TV_plug = XGIfb_tvplug;
1506 else if (cr32 & SIS_VB_HIVISION) {
1507 xgifb_info->TV_type = TVMODE_HIVISION;
1508 xgifb_info->TV_plug = TVPLUG_SVIDEO;
1509 } else if (cr32 & SIS_VB_SVIDEO)
1510 xgifb_info->TV_plug = TVPLUG_SVIDEO;
1511 else if (cr32 & SIS_VB_COMPOSITE)
1512 xgifb_info->TV_plug = TVPLUG_COMPOSITE;
1513 else if (cr32 & SIS_VB_SCART)
1514 xgifb_info->TV_plug = TVPLUG_SCART;
1515
1516 if (xgifb_info->TV_type == 0) {
1517 temp = xgifb_reg_get(XGICR, 0x38);
1518 if (temp & 0x10)
1519 xgifb_info->TV_type = TVMODE_PAL;
1520 else
1521 xgifb_info->TV_type = TVMODE_NTSC;
1522 }
1523
1524
1525 if (XGIfb_forcecrt1 != -1) {
1526 if (XGIfb_forcecrt1)
1527 XGIfb_crt1off = 0;
1528 else
1529 XGIfb_crt1off = 1;
1530 }
1531}
1532
1533static bool XGIfb_has_VB(struct xgifb_video_info *xgifb_info)
1534{
1535 u8 vb_chipid;
1536
1537 vb_chipid = xgifb_reg_get(XGIPART4, 0x00);
1538 switch (vb_chipid) {
1539 case 0x01:
1540 xgifb_info->hasVB = HASVB_301;
1541 break;
1542 case 0x02:
1543 xgifb_info->hasVB = HASVB_302;
1544 break;
1545 default:
1546 xgifb_info->hasVB = HASVB_NONE;
1547 return false;
1548 }
1549 return true;
1550}
1551
1552static void XGIfb_get_VB_type(struct xgifb_video_info *xgifb_info)
1553{
1554 u8 reg;
1555
1556 if (!XGIfb_has_VB(xgifb_info)) {
1557 reg = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR37);
1558 switch ((reg & SIS_EXTERNAL_CHIP_MASK) >> 1) {
1559 case SIS_EXTERNAL_CHIP_LVDS:
1560 xgifb_info->hasVB = HASVB_LVDS;
1561 break;
1562 case SIS_EXTERNAL_CHIP_LVDS_CHRONTEL:
1563 xgifb_info->hasVB = HASVB_LVDS_CHRONTEL;
1564 break;
1565 default:
1566 break;
1567 }
1568 }
1569}
1570
1571static int __init xgifb_optval(char *fullopt, int validx)
1572{
1573 unsigned long lres;
1574
1575 if (kstrtoul(fullopt + validx, 0, &lres) < 0 || lres > INT_MAX) {
1576 pr_err("Invalid value for option: %s\n", fullopt);
1577 return 0;
1578 }
1579 return lres;
1580}
1581
1582static int __init XGIfb_setup(char *options)
1583{
1584 char *this_opt;
1585
1586 if (!options || !*options)
1587 return 0;
1588
1589 pr_info("Options: %s\n", options);
1590
1591 while ((this_opt = strsep(&options, ",")) != NULL) {
1592 if (!*this_opt)
1593 continue;
1594
1595 if (!strncmp(this_opt, "mode:", 5)) {
1596 mode = this_opt + 5;
1597 } else if (!strncmp(this_opt, "vesa:", 5)) {
1598 vesa = xgifb_optval(this_opt, 5);
1599 } else if (!strncmp(this_opt, "vrate:", 6)) {
1600 refresh_rate = xgifb_optval(this_opt, 6);
1601 } else if (!strncmp(this_opt, "rate:", 5)) {
1602 refresh_rate = xgifb_optval(this_opt, 5);
1603 } else if (!strncmp(this_opt, "crt1off", 7)) {
1604 XGIfb_crt1off = 1;
1605 } else if (!strncmp(this_opt, "filter:", 7)) {
1606 filter = xgifb_optval(this_opt, 7);
1607 } else if (!strncmp(this_opt, "forcecrt2type:", 14)) {
1608 XGIfb_search_crt2type(this_opt + 14);
1609 } else if (!strncmp(this_opt, "forcecrt1:", 10)) {
1610 XGIfb_forcecrt1 = xgifb_optval(this_opt, 10);
1611 } else if (!strncmp(this_opt, "tvmode:", 7)) {
1612 XGIfb_search_tvstd(this_opt + 7);
1613 } else if (!strncmp(this_opt, "tvstandard:", 11)) {
1614 XGIfb_search_tvstd(this_opt + 7);
1615 } else if (!strncmp(this_opt, "dstn", 4)) {
1616 enable_dstn = 1;
1617
1618 XGIfb_crt2type = XGIFB_DISP_LCD;
1619 } else if (!strncmp(this_opt, "noypan", 6)) {
1620 XGIfb_ypan = 0;
1621 } else {
1622 mode = this_opt;
1623 }
1624 }
1625 return 0;
1626}
1627
1628static int xgifb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1629{
1630 u8 reg, reg1;
1631 u8 CR48, CR38;
1632 int ret;
1633 struct fb_info *fb_info;
1634 struct xgifb_video_info *xgifb_info;
1635 struct xgi_hw_device_info *hw_info;
1636 unsigned long video_size_max;
1637
1638 fb_info = framebuffer_alloc(sizeof(*xgifb_info), &pdev->dev);
1639 if (!fb_info)
1640 return -ENOMEM;
1641
1642 xgifb_info = fb_info->par;
1643 hw_info = &xgifb_info->hw_info;
1644 xgifb_info->fb_info = fb_info;
1645 xgifb_info->chip_id = pdev->device;
1646 pci_read_config_byte(pdev,
1647 PCI_REVISION_ID,
1648 &xgifb_info->revision_id);
1649 hw_info->jChipRevision = xgifb_info->revision_id;
1650
1651 xgifb_info->pcibus = pdev->bus->number;
1652 xgifb_info->pcislot = PCI_SLOT(pdev->devfn);
1653 xgifb_info->pcifunc = PCI_FUNC(pdev->devfn);
1654 xgifb_info->subsysvendor = pdev->subsystem_vendor;
1655 xgifb_info->subsysdevice = pdev->subsystem_device;
1656
1657 video_size_max = pci_resource_len(pdev, 0);
1658 xgifb_info->video_base = pci_resource_start(pdev, 0);
1659 xgifb_info->mmio_base = pci_resource_start(pdev, 1);
1660 xgifb_info->mmio_size = pci_resource_len(pdev, 1);
1661 xgifb_info->vga_base = pci_resource_start(pdev, 2) + 0x30;
1662 dev_info(&pdev->dev, "Relocate IO address: %Lx [%08lx]\n",
1663 (u64)pci_resource_start(pdev, 2),
1664 xgifb_info->vga_base);
1665
1666 if (pci_enable_device(pdev)) {
1667 ret = -EIO;
1668 goto error;
1669 }
1670
1671 if (XGIfb_crt2type != -1) {
1672 xgifb_info->display2 = XGIfb_crt2type;
1673 xgifb_info->display2_force = true;
1674 }
1675
1676 XGIRegInit(&xgifb_info->dev_info, xgifb_info->vga_base);
1677
1678 xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD);
1679 reg1 = xgifb_reg_get(XGISR, IND_SIS_PASSWORD);
1680
1681 if (reg1 != 0xa1) {
1682 dev_err(&pdev->dev, "I/O error\n");
1683 ret = -EIO;
1684 goto error_disable;
1685 }
1686
1687 switch (xgifb_info->chip_id) {
1688 case PCI_DEVICE_ID_XGI_20:
1689 xgifb_reg_or(XGICR, Index_CR_GPIO_Reg3, GPIOG_EN);
1690 CR48 = xgifb_reg_get(XGICR, Index_CR_GPIO_Reg1);
1691 if (CR48 & GPIOG_READ)
1692 xgifb_info->chip = XG21;
1693 else
1694 xgifb_info->chip = XG20;
1695 break;
1696 case PCI_DEVICE_ID_XGI_40:
1697 xgifb_info->chip = XG40;
1698 break;
1699 case PCI_DEVICE_ID_XGI_42:
1700 xgifb_info->chip = XG42;
1701 break;
1702 case PCI_DEVICE_ID_XGI_27:
1703 xgifb_info->chip = XG27;
1704 break;
1705 default:
1706 ret = -ENODEV;
1707 goto error_disable;
1708 }
1709
1710 dev_info(&pdev->dev, "chipid = %x\n", xgifb_info->chip);
1711 hw_info->jChipType = xgifb_info->chip;
1712
1713 if (XGIfb_get_dram_size(xgifb_info)) {
1714 xgifb_info->video_size = min_t(unsigned long, video_size_max,
1715 SZ_16M);
1716 } else if (xgifb_info->video_size > video_size_max) {
1717 xgifb_info->video_size = video_size_max;
1718 }
1719
1720
1721 xgifb_reg_or(XGISR,
1722 IND_SIS_PCI_ADDRESS_SET,
1723 (SIS_PCI_ADDR_ENABLE | SIS_MEM_MAP_IO_ENABLE));
1724
1725 xgifb_reg_or(XGISR, IND_SIS_MODULE_ENABLE, SIS_ENABLE_2D);
1726
1727 hw_info->ulVideoMemorySize = xgifb_info->video_size;
1728
1729 if (!request_mem_region(xgifb_info->video_base,
1730 xgifb_info->video_size,
1731 "XGIfb FB")) {
1732 dev_err(&pdev->dev, "Unable request memory size %x\n",
1733 xgifb_info->video_size);
1734 dev_err(&pdev->dev,
1735 "Fatal error: Unable to reserve frame buffer memory. Is there another framebuffer driver active?\n");
1736 ret = -ENODEV;
1737 goto error_disable;
1738 }
1739
1740 if (!request_mem_region(xgifb_info->mmio_base,
1741 xgifb_info->mmio_size,
1742 "XGIfb MMIO")) {
1743 dev_err(&pdev->dev,
1744 "Fatal error: Unable to reserve MMIO region\n");
1745 ret = -ENODEV;
1746 goto error_0;
1747 }
1748
1749 xgifb_info->video_vbase =
1750 ioremap_wc(xgifb_info->video_base, xgifb_info->video_size);
1751 hw_info->pjVideoMemoryAddress =
1752 ioremap_wc(xgifb_info->video_base, xgifb_info->video_size);
1753 xgifb_info->mmio_vbase = ioremap(xgifb_info->mmio_base,
1754 xgifb_info->mmio_size);
1755
1756 dev_info(&pdev->dev,
1757 "Framebuffer at 0x%Lx, mapped to 0x%p, size %dk\n",
1758 (u64)xgifb_info->video_base,
1759 xgifb_info->video_vbase,
1760 xgifb_info->video_size / 1024);
1761
1762 dev_info(&pdev->dev,
1763 "MMIO at 0x%Lx, mapped to 0x%p, size %ldk\n",
1764 (u64)xgifb_info->mmio_base, xgifb_info->mmio_vbase,
1765 xgifb_info->mmio_size / 1024);
1766
1767 pci_set_drvdata(pdev, xgifb_info);
1768 if (!XGIInitNew(pdev))
1769 dev_err(&pdev->dev, "XGIInitNew() failed!\n");
1770
1771 xgifb_info->mtrr = -1;
1772
1773 xgifb_info->hasVB = HASVB_NONE;
1774 if ((xgifb_info->chip == XG20) ||
1775 (xgifb_info->chip == XG27)) {
1776 xgifb_info->hasVB = HASVB_NONE;
1777 } else if (xgifb_info->chip == XG21) {
1778 CR38 = xgifb_reg_get(XGICR, 0x38);
1779 if ((CR38 & 0xE0) == 0xC0)
1780 xgifb_info->display2 = XGIFB_DISP_LCD;
1781 else if ((CR38 & 0xE0) == 0x60)
1782 xgifb_info->hasVB = HASVB_CHRONTEL;
1783 else
1784 xgifb_info->hasVB = HASVB_NONE;
1785 } else {
1786 XGIfb_get_VB_type(xgifb_info);
1787 }
1788
1789 hw_info->ujVBChipID = VB_CHIP_UNKNOWN;
1790
1791 hw_info->ulExternalChip = 0;
1792
1793 switch (xgifb_info->hasVB) {
1794 case HASVB_301:
1795 reg = xgifb_reg_get(XGIPART4, 0x01);
1796 if (reg >= 0xE0) {
1797 hw_info->ujVBChipID = VB_CHIP_302LV;
1798 dev_info(&pdev->dev,
1799 "XGI302LV bridge detected (revision 0x%02x)\n",
1800 reg);
1801 } else if (reg >= 0xD0) {
1802 hw_info->ujVBChipID = VB_CHIP_301LV;
1803 dev_info(&pdev->dev,
1804 "XGI301LV bridge detected (revision 0x%02x)\n",
1805 reg);
1806 } else {
1807 hw_info->ujVBChipID = VB_CHIP_301;
1808 dev_info(&pdev->dev, "XGI301 bridge detected\n");
1809 }
1810 break;
1811 case HASVB_302:
1812 reg = xgifb_reg_get(XGIPART4, 0x01);
1813 if (reg >= 0xE0) {
1814 hw_info->ujVBChipID = VB_CHIP_302LV;
1815 dev_info(&pdev->dev,
1816 "XGI302LV bridge detected (revision 0x%02x)\n",
1817 reg);
1818 } else if (reg >= 0xD0) {
1819 hw_info->ujVBChipID = VB_CHIP_301LV;
1820 dev_info(&pdev->dev,
1821 "XGI302LV bridge detected (revision 0x%02x)\n",
1822 reg);
1823 } else if (reg >= 0xB0) {
1824 reg1 = xgifb_reg_get(XGIPART4, 0x23);
1825
1826 hw_info->ujVBChipID = VB_CHIP_302B;
1827
1828 } else {
1829 hw_info->ujVBChipID = VB_CHIP_302;
1830 dev_info(&pdev->dev, "XGI302 bridge detected\n");
1831 }
1832 break;
1833 case HASVB_LVDS:
1834 hw_info->ulExternalChip = 0x1;
1835 dev_info(&pdev->dev, "LVDS transmitter detected\n");
1836 break;
1837 case HASVB_TRUMPION:
1838 hw_info->ulExternalChip = 0x2;
1839 dev_info(&pdev->dev, "Trumpion Zurac LVDS scaler detected\n");
1840 break;
1841 case HASVB_CHRONTEL:
1842 hw_info->ulExternalChip = 0x4;
1843 dev_info(&pdev->dev, "Chrontel TV encoder detected\n");
1844 break;
1845 case HASVB_LVDS_CHRONTEL:
1846 hw_info->ulExternalChip = 0x5;
1847 dev_info(&pdev->dev,
1848 "LVDS transmitter and Chrontel TV encoder detected\n");
1849 break;
1850 default:
1851 dev_info(&pdev->dev, "No or unknown bridge type detected\n");
1852 break;
1853 }
1854
1855 if (xgifb_info->hasVB != HASVB_NONE)
1856 XGIfb_detect_VB(xgifb_info);
1857 else if (xgifb_info->chip != XG21)
1858 xgifb_info->display2 = XGIFB_DISP_NONE;
1859
1860 if (xgifb_info->display2 == XGIFB_DISP_LCD) {
1861 if (!enable_dstn) {
1862 reg = xgifb_reg_get(XGICR, IND_XGI_LCD_PANEL);
1863 reg &= 0x0f;
1864 hw_info->ulCRT2LCDType = XGI310paneltype[reg];
1865 }
1866 }
1867
1868 xgifb_info->mode_idx = -1;
1869
1870 if (mode)
1871 XGIfb_search_mode(xgifb_info, mode);
1872 else if (vesa != -1)
1873 XGIfb_search_vesamode(xgifb_info, vesa);
1874
1875 if (xgifb_info->mode_idx >= 0)
1876 xgifb_info->mode_idx =
1877 XGIfb_validate_mode(xgifb_info, xgifb_info->mode_idx);
1878
1879 if (xgifb_info->mode_idx < 0) {
1880 if (xgifb_info->display2 == XGIFB_DISP_LCD &&
1881 xgifb_info->chip == XG21)
1882 xgifb_info->mode_idx =
1883 XGIfb_GetXG21DefaultLVDSModeIdx(xgifb_info);
1884 else
1885 xgifb_info->mode_idx = DEFAULT_MODE;
1886 }
1887
1888 if (xgifb_info->mode_idx < 0) {
1889 dev_err(&pdev->dev, "No supported video mode found\n");
1890 ret = -EINVAL;
1891 goto error_1;
1892 }
1893
1894
1895 xgifb_info->refresh_rate = refresh_rate;
1896 if (xgifb_info->refresh_rate == 0)
1897 xgifb_info->refresh_rate = 60;
1898 if (XGIfb_search_refresh_rate(xgifb_info, xgifb_info->refresh_rate) == 0) {
1899 xgifb_info->rate_idx = 1;
1900 xgifb_info->refresh_rate = 60;
1901 }
1902
1903 xgifb_info->video_bpp = XGIbios_mode[xgifb_info->mode_idx].bpp;
1904 xgifb_info->video_vwidth =
1905 xgifb_info->video_width =
1906 XGIbios_mode[xgifb_info->mode_idx].xres;
1907 xgifb_info->video_vheight =
1908 xgifb_info->video_height =
1909 XGIbios_mode[xgifb_info->mode_idx].yres;
1910 xgifb_info->org_x = 0;
1911 xgifb_info->org_y = 0;
1912 xgifb_info->video_linelength =
1913 xgifb_info->video_width *
1914 (xgifb_info->video_bpp >> 3);
1915 switch (xgifb_info->video_bpp) {
1916 case 8:
1917 xgifb_info->DstColor = 0x0000;
1918 xgifb_info->XGI310_AccelDepth = 0x00000000;
1919 xgifb_info->video_cmap_len = 256;
1920 break;
1921 case 16:
1922 xgifb_info->DstColor = 0x8000;
1923 xgifb_info->XGI310_AccelDepth = 0x00010000;
1924 xgifb_info->video_cmap_len = 16;
1925 break;
1926 case 32:
1927 xgifb_info->DstColor = 0xC000;
1928 xgifb_info->XGI310_AccelDepth = 0x00020000;
1929 xgifb_info->video_cmap_len = 16;
1930 break;
1931 default:
1932 xgifb_info->video_cmap_len = 16;
1933 pr_info("Unsupported depth %d\n",
1934 xgifb_info->video_bpp);
1935 break;
1936 }
1937
1938 pr_info("Default mode is %dx%dx%d (%dHz)\n",
1939 xgifb_info->video_width, xgifb_info->video_height,
1940 xgifb_info->video_bpp, xgifb_info->refresh_rate);
1941
1942 fb_info->var.red.length = 8;
1943 fb_info->var.green.length = 8;
1944 fb_info->var.blue.length = 8;
1945 fb_info->var.activate = FB_ACTIVATE_NOW;
1946 fb_info->var.height = -1;
1947 fb_info->var.width = -1;
1948 fb_info->var.vmode = FB_VMODE_NONINTERLACED;
1949 fb_info->var.xres = xgifb_info->video_width;
1950 fb_info->var.xres_virtual = xgifb_info->video_width;
1951 fb_info->var.yres = xgifb_info->video_height;
1952 fb_info->var.yres_virtual = xgifb_info->video_height;
1953 fb_info->var.bits_per_pixel = xgifb_info->video_bpp;
1954
1955 XGIfb_bpp_to_var(xgifb_info, &fb_info->var);
1956
1957 fb_info->var.pixclock = (u32)(1000000000 / XGIfb_mode_rate_to_dclock
1958 (&xgifb_info->dev_info, hw_info,
1959 XGIbios_mode[xgifb_info->mode_idx].mode_no));
1960
1961 if (XGIfb_mode_rate_to_ddata(&xgifb_info->dev_info,
1962 hw_info, XGIbios_mode[xgifb_info->mode_idx].mode_no,
1963 &fb_info->var.left_margin,
1964 &fb_info->var.right_margin,
1965 &fb_info->var.upper_margin,
1966 &fb_info->var.lower_margin,
1967 &fb_info->var.hsync_len,
1968 &fb_info->var.vsync_len,
1969 &fb_info->var.sync,
1970 &fb_info->var.vmode)) {
1971 if ((fb_info->var.vmode & FB_VMODE_MASK) ==
1972 FB_VMODE_INTERLACED) {
1973 fb_info->var.yres <<= 1;
1974 fb_info->var.yres_virtual <<= 1;
1975 } else if ((fb_info->var.vmode & FB_VMODE_MASK) ==
1976 FB_VMODE_DOUBLE) {
1977 fb_info->var.pixclock >>= 1;
1978 fb_info->var.yres >>= 1;
1979 fb_info->var.yres_virtual >>= 1;
1980 }
1981 }
1982
1983 fb_info->flags = FBINFO_FLAG_DEFAULT;
1984 fb_info->screen_base = xgifb_info->video_vbase;
1985 fb_info->fbops = &XGIfb_ops;
1986 XGIfb_get_fix(&fb_info->fix, -1, fb_info);
1987 fb_info->pseudo_palette = xgifb_info->pseudo_palette;
1988
1989 fb_alloc_cmap(&fb_info->cmap, 256, 0);
1990
1991 xgifb_info->mtrr = arch_phys_wc_add(xgifb_info->video_base,
1992 xgifb_info->video_size);
1993
1994 if (register_framebuffer(fb_info) < 0) {
1995 ret = -EINVAL;
1996 goto error_mtrr;
1997 }
1998
1999 dumpVGAReg(xgifb_info);
2000
2001 return 0;
2002
2003error_mtrr:
2004 arch_phys_wc_del(xgifb_info->mtrr);
2005error_1:
2006 iounmap(xgifb_info->mmio_vbase);
2007 iounmap(xgifb_info->video_vbase);
2008 release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
2009error_0:
2010 release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
2011error_disable:
2012 pci_disable_device(pdev);
2013error:
2014 framebuffer_release(fb_info);
2015 return ret;
2016}
2017
2018
2019
2020static void xgifb_remove(struct pci_dev *pdev)
2021{
2022 struct xgifb_video_info *xgifb_info = pci_get_drvdata(pdev);
2023 struct fb_info *fb_info = xgifb_info->fb_info;
2024
2025 unregister_framebuffer(fb_info);
2026 arch_phys_wc_del(xgifb_info->mtrr);
2027 iounmap(xgifb_info->mmio_vbase);
2028 iounmap(xgifb_info->video_vbase);
2029 release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
2030 release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
2031 pci_disable_device(pdev);
2032 framebuffer_release(fb_info);
2033}
2034
2035static struct pci_driver xgifb_driver = {
2036 .name = "xgifb",
2037 .id_table = xgifb_pci_table,
2038 .probe = xgifb_probe,
2039 .remove = xgifb_remove
2040};
2041
2042
2043
2044module_param(mode, charp, 0000);
2045MODULE_PARM_DESC(mode,
2046 "Selects the desired default display mode in the format XxYxDepth (eg. 1024x768x16).");
2047
2048module_param(forcecrt2type, charp, 0000);
2049MODULE_PARM_DESC(forcecrt2type,
2050 "Force the second display output type. Possible values are NONE, LCD, TV, VGA, SVIDEO or COMPOSITE.");
2051
2052module_param(vesa, int, 0000);
2053MODULE_PARM_DESC(vesa,
2054 "Selects the desired default display mode by VESA mode number (eg. 0x117).");
2055
2056module_param(filter, int, 0000);
2057MODULE_PARM_DESC(filter,
2058 "Selects TV flicker filter type (only for systems with a SiS301 video bridge). Possible values 0-7. Default: [no filter]).");
2059
2060static int __init xgifb_init(void)
2061{
2062 char *option = NULL;
2063
2064 if (forcecrt2type)
2065 XGIfb_search_crt2type(forcecrt2type);
2066 if (fb_get_options("xgifb", &option))
2067 return -ENODEV;
2068 XGIfb_setup(option);
2069
2070 return pci_register_driver(&xgifb_driver);
2071}
2072
2073static void __exit xgifb_remove_module(void)
2074{
2075 pci_unregister_driver(&xgifb_driver);
2076 pr_debug("Module unloaded\n");
2077}
2078
2079MODULE_DESCRIPTION("Z7 Z9 Z9S Z11 framebuffer device driver");
2080MODULE_LICENSE("GPL");
2081MODULE_AUTHOR("XGITECH , Others");
2082module_init(xgifb_init);
2083module_exit(xgifb_remove_module);
2084
