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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,
81 u32 *left_margin, u32 *right_margin, u32 *upper_margin,
82 u32 *lower_margin, u32 *hsync_len, u32 *vsync_len, u32 *sync,
83 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
389 != 480))
390 return -1;
391 break;
392 case 800:
393 if (XGIbios_mode[myindex].yres != 600)
394 return -1;
395 break;
396 case 1024:
397 if ((XGIbios_mode[myindex].yres != 600) &&
398 (XGIbios_mode[myindex].yres != 768))
399 return -1;
400 if ((XGIbios_mode[myindex].yres == 600) &&
401 (hw_info->ulCRT2LCDType != LCD_1024x600))
402 return -1;
403 break;
404 case 1152:
405 if ((XGIbios_mode[myindex].yres) != 768)
406 return -1;
407 if (hw_info->ulCRT2LCDType != LCD_1152x768)
408 return -1;
409 break;
410 case 1280:
411 if ((XGIbios_mode[myindex].yres != 768) &&
412 (XGIbios_mode[myindex].yres != 1024))
413 return -1;
414 if ((XGIbios_mode[myindex].yres == 768) &&
415 (hw_info->ulCRT2LCDType != LCD_1280x768))
416 return -1;
417 break;
418 case 1400:
419 if (XGIbios_mode[myindex].yres != 1050)
420 return -1;
421 break;
422 case 1600:
423 if (XGIbios_mode[myindex].yres != 1200)
424 return -1;
425 break;
426 default:
427 return -1;
428 }
429 } else {
430 switch (XGIbios_mode[myindex].xres) {
431 case 512:
432 if (XGIbios_mode[myindex].yres != 512)
433 return -1;
434 break;
435 case 640:
436 if ((XGIbios_mode[myindex].yres != 400) &&
437 (XGIbios_mode[myindex].yres != 480))
438 return -1;
439 break;
440 case 800:
441 if (XGIbios_mode[myindex].yres != 600)
442 return -1;
443 break;
444 case 1024:
445 if (XGIbios_mode[myindex].yres != 768)
446 return -1;
447 break;
448 case 1280:
449 if ((XGIbios_mode[myindex].yres != 960) &&
450 (XGIbios_mode[myindex].yres != 1024))
451 return -1;
452 if (XGIbios_mode[myindex].yres == 960) {
453 if (hw_info->ulCRT2LCDType ==
454 LCD_1400x1050)
455 return -1;
456 }
457 break;
458 case 1400:
459 if (XGIbios_mode[myindex].yres != 1050)
460 return -1;
461 break;
462 case 1600:
463 if (XGIbios_mode[myindex].yres != 1200)
464 return -1;
465 break;
466 default:
467 return -1;
468 }
469 }
470 break;
471 case XGIFB_DISP_TV:
472 switch (XGIbios_mode[myindex].xres) {
473 case 512:
474 case 640:
475 case 800:
476 break;
477 case 720:
478 if (xgifb_info->TV_type == TVMODE_NTSC) {
479 if (XGIbios_mode[myindex].yres != 480)
480 return -1;
481 } else if (xgifb_info->TV_type == TVMODE_PAL) {
482 if (XGIbios_mode[myindex].yres != 576)
483 return -1;
484 }
485
486 if (xgifb_info->hasVB == HASVB_LVDS_CHRONTEL ||
487 xgifb_info->hasVB == HASVB_CHRONTEL) {
488 return -1;
489 }
490 break;
491 case 1024:
492 if (xgifb_info->TV_type == TVMODE_NTSC) {
493 if (XGIbios_mode[myindex].bpp == 32)
494 return -1;
495 }
496 break;
497 default:
498 return -1;
499 }
500 break;
501 case XGIFB_DISP_CRT:
502 if (XGIbios_mode[myindex].xres > 1280)
503 return -1;
504 break;
505 case XGIFB_DISP_NONE:
506 break;
507 }
508
509check_memory:
510 required_mem = XGIbios_mode[myindex].xres * XGIbios_mode[myindex].yres *
511 XGIbios_mode[myindex].bpp / 8;
512 if (required_mem > xgifb_info->video_size)
513 return -1;
514 return myindex;
515}
516
517static void XGIfb_search_crt2type(const char *name)
518{
519 int i = 0;
520
521 if (name == NULL)
522 return;
523
524 while (XGI_crt2type[i].type_no != -1) {
525 if (!strcmp(name, XGI_crt2type[i].name)) {
526 XGIfb_crt2type = XGI_crt2type[i].type_no;
527 XGIfb_tvplug = XGI_crt2type[i].tvplug_no;
528 break;
529 }
530 i++;
531 }
532 if (XGIfb_crt2type < 0)
533 pr_info("Invalid CRT2 type: %s\n", name);
534}
535
536static u8 XGIfb_search_refresh_rate(struct xgifb_video_info *xgifb_info,
537 unsigned int rate)
538{
539 u16 xres, yres;
540 int i = 0;
541
542 xres = XGIbios_mode[xgifb_info->mode_idx].xres;
543 yres = XGIbios_mode[xgifb_info->mode_idx].yres;
544
545 xgifb_info->rate_idx = 0;
546 while ((XGIfb_vrate[i].idx != 0) && (XGIfb_vrate[i].xres <= xres)) {
547 if ((XGIfb_vrate[i].xres == xres) &&
548 (XGIfb_vrate[i].yres == yres)) {
549 if (XGIfb_vrate[i].refresh == rate) {
550 xgifb_info->rate_idx = XGIfb_vrate[i].idx;
551 break;
552 } else if (XGIfb_vrate[i].refresh > rate) {
553 if ((XGIfb_vrate[i].refresh - rate) <= 3) {
554 pr_debug("Adjusting rate from %d up to %d\n",
555 rate, XGIfb_vrate[i].refresh);
556 xgifb_info->rate_idx =
557 XGIfb_vrate[i].idx;
558 xgifb_info->refresh_rate =
559 XGIfb_vrate[i].refresh;
560 } else if (((rate - XGIfb_vrate[i - 1].refresh)
561 <= 2) && (XGIfb_vrate[i].idx
562 != 1)) {
563 pr_debug("Adjusting rate from %d down to %d\n",
564 rate,
565 XGIfb_vrate[i-1].refresh);
566 xgifb_info->rate_idx =
567 XGIfb_vrate[i - 1].idx;
568 xgifb_info->refresh_rate =
569 XGIfb_vrate[i - 1].refresh;
570 }
571 break;
572 } else if ((rate - XGIfb_vrate[i].refresh) <= 2) {
573 pr_debug("Adjusting rate from %d down to %d\n",
574 rate, XGIfb_vrate[i].refresh);
575 xgifb_info->rate_idx = XGIfb_vrate[i].idx;
576 break;
577 }
578 }
579 i++;
580 }
581 if (xgifb_info->rate_idx > 0)
582 return xgifb_info->rate_idx;
583 pr_info("Unsupported rate %d for %dx%d\n",
584 rate, xres, yres);
585 return 0;
586}
587
588static void XGIfb_search_tvstd(const char *name)
589{
590 int i = 0;
591
592 if (name == NULL)
593 return;
594
595 while (XGI_tvtype[i].type_no != -1) {
596 if (!strcmp(name, XGI_tvtype[i].name)) {
597 XGIfb_tvmode = XGI_tvtype[i].type_no;
598 break;
599 }
600 i++;
601 }
602}
603
604
605
606static void XGIfb_bpp_to_var(struct xgifb_video_info *xgifb_info,
607 struct fb_var_screeninfo *var)
608{
609 switch (var->bits_per_pixel) {
610 case 8:
611 var->red.offset = var->green.offset = var->blue.offset = 0;
612 var->red.length = var->green.length = var->blue.length = 6;
613 xgifb_info->video_cmap_len = 256;
614 break;
615 case 16:
616 var->red.offset = 11;
617 var->red.length = 5;
618 var->green.offset = 5;
619 var->green.length = 6;
620 var->blue.offset = 0;
621 var->blue.length = 5;
622 var->transp.offset = 0;
623 var->transp.length = 0;
624 xgifb_info->video_cmap_len = 16;
625 break;
626 case 32:
627 var->red.offset = 16;
628 var->red.length = 8;
629 var->green.offset = 8;
630 var->green.length = 8;
631 var->blue.offset = 0;
632 var->blue.length = 8;
633 var->transp.offset = 24;
634 var->transp.length = 8;
635 xgifb_info->video_cmap_len = 16;
636 break;
637 }
638}
639
640
641
642static void XGIfb_pre_setmode(struct xgifb_video_info *xgifb_info)
643{
644 u8 cr30 = 0, cr31 = 0;
645
646 cr31 = xgifb_reg_get(XGICR, 0x31);
647 cr31 &= ~0x60;
648
649 switch (xgifb_info->display2) {
650 case XGIFB_DISP_CRT:
651 cr30 = SIS_VB_OUTPUT_CRT2 | SIS_SIMULTANEOUS_VIEW_ENABLE;
652 cr31 |= SIS_DRIVER_MODE;
653 break;
654 case XGIFB_DISP_LCD:
655 cr30 = SIS_VB_OUTPUT_LCD | SIS_SIMULTANEOUS_VIEW_ENABLE;
656 cr31 |= SIS_DRIVER_MODE;
657 break;
658 case XGIFB_DISP_TV:
659 if (xgifb_info->TV_type == TVMODE_HIVISION)
660 cr30 = SIS_VB_OUTPUT_HIVISION
661 | SIS_SIMULTANEOUS_VIEW_ENABLE;
662 else if (xgifb_info->TV_plug == TVPLUG_SVIDEO)
663 cr30 = SIS_VB_OUTPUT_SVIDEO
664 | SIS_SIMULTANEOUS_VIEW_ENABLE;
665 else if (xgifb_info->TV_plug == TVPLUG_COMPOSITE)
666 cr30 = SIS_VB_OUTPUT_COMPOSITE
667 | SIS_SIMULTANEOUS_VIEW_ENABLE;
668 else if (xgifb_info->TV_plug == TVPLUG_SCART)
669 cr30 = SIS_VB_OUTPUT_SCART
670 | SIS_SIMULTANEOUS_VIEW_ENABLE;
671 cr31 |= SIS_DRIVER_MODE;
672
673 if (XGIfb_tvmode == 1 || xgifb_info->TV_type == TVMODE_PAL)
674 cr31 |= 0x01;
675 else
676 cr31 &= ~0x01;
677 break;
678 default:
679 cr30 = 0x00;
680 cr31 |= (SIS_DRIVER_MODE | SIS_VB_OUTPUT_DISABLE);
681 }
682
683 xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR30, cr30);
684 xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR31, cr31);
685 xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR33,
686 (xgifb_info->rate_idx & 0x0F));
687}
688
689static void XGIfb_post_setmode(struct xgifb_video_info *xgifb_info)
690{
691 u8 reg;
692 unsigned char doit = 1;
693
694 if (xgifb_info->video_bpp == 8) {
695
696
697
698
699 if ((xgifb_info->hasVB == HASVB_LVDS) ||
700 (xgifb_info->hasVB == HASVB_LVDS_CHRONTEL)) {
701 doit = 0;
702 }
703
704
705
706
707 if (xgifb_info->display2 == XGIFB_DISP_LCD)
708 doit = 0;
709 }
710
711
712 if (xgifb_info->hasVB != HASVB_NONE) {
713 reg = xgifb_reg_get(XGIPART1, 0x00);
714
715 if ((reg & 0x50) == 0x10)
716 doit = 0;
717
718 } else {
719 XGIfb_crt1off = 0;
720 }
721
722 reg = xgifb_reg_get(XGICR, 0x17);
723 if ((XGIfb_crt1off) && (doit))
724 reg &= ~0x80;
725 else
726 reg |= 0x80;
727 xgifb_reg_set(XGICR, 0x17, reg);
728
729 xgifb_reg_and(XGISR, IND_SIS_RAMDAC_CONTROL, ~0x04);
730
731 if (xgifb_info->display2 == XGIFB_DISP_TV &&
732 xgifb_info->hasVB == HASVB_301) {
733
734 reg = xgifb_reg_get(XGIPART4, 0x01);
735
736 if (reg < 0xB0) {
737 int filter_tb;
738
739 switch (xgifb_info->video_width) {
740 case 320:
741 filter_tb = (xgifb_info->TV_type ==
742 TVMODE_NTSC) ? 4 : 12;
743 break;
744 case 640:
745 filter_tb = (xgifb_info->TV_type ==
746 TVMODE_NTSC) ? 5 : 13;
747 break;
748 case 720:
749 filter_tb = (xgifb_info->TV_type ==
750 TVMODE_NTSC) ? 6 : 14;
751 break;
752 case 800:
753 filter_tb = (xgifb_info->TV_type ==
754 TVMODE_NTSC) ? 7 : 15;
755 break;
756 default:
757 filter_tb = 0;
758 filter = -1;
759 break;
760 }
761 xgifb_reg_or(XGIPART1,
762 SIS_CRT2_WENABLE_315,
763 0x01);
764
765 if (xgifb_info->TV_type == TVMODE_NTSC) {
766
767 xgifb_reg_and(XGIPART2, 0x3a, 0x1f);
768
769 if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
770
771 xgifb_reg_and(XGIPART2, 0x30, 0xdf);
772
773 } else if (xgifb_info->TV_plug
774 == TVPLUG_COMPOSITE) {
775
776 xgifb_reg_or(XGIPART2, 0x30, 0x20);
777
778 switch (xgifb_info->video_width) {
779 case 640:
780 xgifb_reg_set(XGIPART2,
781 0x35,
782 0xEB);
783 xgifb_reg_set(XGIPART2,
784 0x36,
785 0x04);
786 xgifb_reg_set(XGIPART2,
787 0x37,
788 0x25);
789 xgifb_reg_set(XGIPART2,
790 0x38,
791 0x18);
792 break;
793 case 720:
794 xgifb_reg_set(XGIPART2,
795 0x35,
796 0xEE);
797 xgifb_reg_set(XGIPART2,
798 0x36,
799 0x0C);
800 xgifb_reg_set(XGIPART2,
801 0x37,
802 0x22);
803 xgifb_reg_set(XGIPART2,
804 0x38,
805 0x08);
806 break;
807 case 800:
808 xgifb_reg_set(XGIPART2,
809 0x35,
810 0xEB);
811 xgifb_reg_set(XGIPART2,
812 0x36,
813 0x15);
814 xgifb_reg_set(XGIPART2,
815 0x37,
816 0x25);
817 xgifb_reg_set(XGIPART2,
818 0x38,
819 0xF6);
820 break;
821 }
822 }
823
824 } else if (xgifb_info->TV_type == TVMODE_PAL) {
825
826 xgifb_reg_and(XGIPART2, 0x3A, 0x1F);
827
828 if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
829
830 xgifb_reg_and(XGIPART2, 0x30, 0xDF);
831
832 } else if (xgifb_info->TV_plug
833 == TVPLUG_COMPOSITE) {
834
835 xgifb_reg_or(XGIPART2, 0x30, 0x20);
836
837 switch (xgifb_info->video_width) {
838 case 640:
839 xgifb_reg_set(XGIPART2,
840 0x35,
841 0xF1);
842 xgifb_reg_set(XGIPART2,
843 0x36,
844 0xF7);
845 xgifb_reg_set(XGIPART2,
846 0x37,
847 0x1F);
848 xgifb_reg_set(XGIPART2,
849 0x38,
850 0x32);
851 break;
852 case 720:
853 xgifb_reg_set(XGIPART2,
854 0x35,
855 0xF3);
856 xgifb_reg_set(XGIPART2,
857 0x36,
858 0x00);
859 xgifb_reg_set(XGIPART2,
860 0x37,
861 0x1D);
862 xgifb_reg_set(XGIPART2,
863 0x38,
864 0x20);
865 break;
866 case 800:
867 xgifb_reg_set(XGIPART2,
868 0x35,
869 0xFC);
870 xgifb_reg_set(XGIPART2,
871 0x36,
872 0xFB);
873 xgifb_reg_set(XGIPART2,
874 0x37,
875 0x14);
876 xgifb_reg_set(XGIPART2,
877 0x38,
878 0x2A);
879 break;
880 }
881 }
882 }
883
884 if ((filter >= 0) && (filter <= 7)) {
885 pr_debug("FilterTable[%d]-%d: %*ph\n",
886 filter_tb, filter,
887 4, XGI_TV_filter[filter_tb].
888 filter[filter]);
889 xgifb_reg_set(
890 XGIPART2,
891 0x35,
892 (XGI_TV_filter[filter_tb].
893 filter[filter][0]));
894 xgifb_reg_set(
895 XGIPART2,
896 0x36,
897 (XGI_TV_filter[filter_tb].
898 filter[filter][1]));
899 xgifb_reg_set(
900 XGIPART2,
901 0x37,
902 (XGI_TV_filter[filter_tb].
903 filter[filter][2]));
904 xgifb_reg_set(
905 XGIPART2,
906 0x38,
907 (XGI_TV_filter[filter_tb].
908 filter[filter][3]));
909 }
910 }
911 }
912}
913
914static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive,
915 struct fb_info *info)
916{
917 struct xgifb_video_info *xgifb_info = info->par;
918 struct xgi_hw_device_info *hw_info = &xgifb_info->hw_info;
919 unsigned int htotal = var->left_margin + var->xres + var->right_margin
920 + var->hsync_len;
921 unsigned int vtotal = var->upper_margin + var->yres + var->lower_margin
922 + var->vsync_len;
923#if defined(__BIG_ENDIAN)
924 u8 cr_data;
925#endif
926 unsigned int drate = 0, hrate = 0;
927 int found_mode = 0;
928 int old_mode;
929
930 info->var.xres_virtual = var->xres_virtual;
931 info->var.yres_virtual = var->yres_virtual;
932 info->var.bits_per_pixel = var->bits_per_pixel;
933
934 if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED)
935 vtotal <<= 1;
936 else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE)
937 vtotal <<= 2;
938
939 if (!htotal || !vtotal) {
940 pr_debug("Invalid 'var' information\n");
941 return -EINVAL;
942 } pr_debug("var->pixclock=%d, htotal=%d, vtotal=%d\n",
943 var->pixclock, htotal, vtotal);
944
945 if (var->pixclock) {
946 drate = 1000000000 / var->pixclock;
947 hrate = (drate * 1000) / htotal;
948 xgifb_info->refresh_rate = (unsigned int) (hrate * 2
949 / vtotal);
950 } else {
951 xgifb_info->refresh_rate = 60;
952 }
953
954 pr_debug("Change mode to %dx%dx%d-%dHz\n",
955 var->xres,
956 var->yres,
957 var->bits_per_pixel,
958 xgifb_info->refresh_rate);
959
960 old_mode = xgifb_info->mode_idx;
961 xgifb_info->mode_idx = 0;
962
963 while ((XGIbios_mode[xgifb_info->mode_idx].mode_no != 0) &&
964 (XGIbios_mode[xgifb_info->mode_idx].xres <= var->xres)) {
965 if ((XGIbios_mode[xgifb_info->mode_idx].xres == var->xres) &&
966 (XGIbios_mode[xgifb_info->mode_idx].yres == var->yres) &&
967 (XGIbios_mode[xgifb_info->mode_idx].bpp
968 == var->bits_per_pixel)) {
969 found_mode = 1;
970 break;
971 }
972 xgifb_info->mode_idx++;
973 }
974
975 if (found_mode)
976 xgifb_info->mode_idx = XGIfb_validate_mode(xgifb_info,
977 xgifb_info->mode_idx);
978 else
979 xgifb_info->mode_idx = -1;
980
981 if (xgifb_info->mode_idx < 0) {
982 pr_err("Mode %dx%dx%d not supported\n",
983 var->xres, var->yres, var->bits_per_pixel);
984 xgifb_info->mode_idx = old_mode;
985 return -EINVAL;
986 }
987
988 if (XGIfb_search_refresh_rate(xgifb_info,
989 xgifb_info->refresh_rate) == 0) {
990 xgifb_info->rate_idx = 1;
991 xgifb_info->refresh_rate = 60;
992 }
993
994 if (isactive) {
995
996 XGIfb_pre_setmode(xgifb_info);
997 if (XGISetModeNew(xgifb_info, hw_info,
998 XGIbios_mode[xgifb_info->mode_idx].mode_no)
999 == 0) {
1000 pr_err("Setting mode[0x%x] failed\n",
1001 XGIbios_mode[xgifb_info->mode_idx].mode_no);
1002 return -EINVAL;
1003 }
1004 info->fix.line_length = (info->var.xres_virtual
1005 * info->var.bits_per_pixel) >> 6;
1006
1007 xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD);
1008
1009 xgifb_reg_set(XGICR, 0x13, (info->fix.line_length & 0x00ff));
1010 xgifb_reg_set(XGISR,
1011 0x0E,
1012 (info->fix.line_length & 0xff00) >> 8);
1013
1014 XGIfb_post_setmode(xgifb_info);
1015
1016 pr_debug("Set new mode: %dx%dx%d-%d\n",
1017 XGIbios_mode[xgifb_info->mode_idx].xres,
1018 XGIbios_mode[xgifb_info->mode_idx].yres,
1019 XGIbios_mode[xgifb_info->mode_idx].bpp,
1020 xgifb_info->refresh_rate);
1021
1022 xgifb_info->video_bpp = XGIbios_mode[xgifb_info->mode_idx].bpp;
1023 xgifb_info->video_vwidth = info->var.xres_virtual;
1024 xgifb_info->video_width =
1025 XGIbios_mode[xgifb_info->mode_idx].xres;
1026 xgifb_info->video_vheight = info->var.yres_virtual;
1027 xgifb_info->video_height =
1028 XGIbios_mode[xgifb_info->mode_idx].yres;
1029 xgifb_info->org_x = xgifb_info->org_y = 0;
1030 xgifb_info->video_linelength = info->var.xres_virtual
1031 * (xgifb_info->video_bpp >> 3);
1032 switch (xgifb_info->video_bpp) {
1033 case 8:
1034 xgifb_info->DstColor = 0x0000;
1035 xgifb_info->XGI310_AccelDepth = 0x00000000;
1036 xgifb_info->video_cmap_len = 256;
1037#if defined(__BIG_ENDIAN)
1038 cr_data = xgifb_reg_get(XGICR, 0x4D);
1039 xgifb_reg_set(XGICR, 0x4D, (cr_data & 0xE0));
1040#endif
1041 break;
1042 case 16:
1043 xgifb_info->DstColor = 0x8000;
1044 xgifb_info->XGI310_AccelDepth = 0x00010000;
1045#if defined(__BIG_ENDIAN)
1046 cr_data = xgifb_reg_get(XGICR, 0x4D);
1047 xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x0B));
1048#endif
1049 xgifb_info->video_cmap_len = 16;
1050 break;
1051 case 32:
1052 xgifb_info->DstColor = 0xC000;
1053 xgifb_info->XGI310_AccelDepth = 0x00020000;
1054 xgifb_info->video_cmap_len = 16;
1055#if defined(__BIG_ENDIAN)
1056 cr_data = xgifb_reg_get(XGICR, 0x4D);
1057 xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x15));
1058#endif
1059 break;
1060 default:
1061 xgifb_info->video_cmap_len = 16;
1062 pr_err("Unsupported depth %d\n",
1063 xgifb_info->video_bpp);
1064 break;
1065 }
1066 }
1067 XGIfb_bpp_to_var(xgifb_info, var);
1068
1069 dumpVGAReg(xgifb_info);
1070 return 0;
1071}
1072
1073static int XGIfb_pan_var(struct fb_var_screeninfo *var, struct fb_info *info)
1074{
1075 struct xgifb_video_info *xgifb_info = info->par;
1076 unsigned int base;
1077
1078 base = var->yoffset * info->var.xres_virtual + var->xoffset;
1079
1080
1081 switch (info->var.bits_per_pixel) {
1082 case 16:
1083 base >>= 1;
1084 break;
1085 case 32:
1086 break;
1087 case 8:
1088 default:
1089 base >>= 2;
1090 break;
1091 }
1092
1093 xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD);
1094
1095 xgifb_reg_set(XGICR, 0x0D, base & 0xFF);
1096 xgifb_reg_set(XGICR, 0x0C, (base >> 8) & 0xFF);
1097 xgifb_reg_set(XGISR, 0x0D, (base >> 16) & 0xFF);
1098 xgifb_reg_set(XGISR, 0x37, (base >> 24) & 0x03);
1099 xgifb_reg_and_or(XGISR, 0x37, 0xDF, (base >> 21) & 0x04);
1100
1101 if (xgifb_info->display2 != XGIFB_DISP_NONE) {
1102 xgifb_reg_or(XGIPART1, SIS_CRT2_WENABLE_315, 0x01);
1103 xgifb_reg_set(XGIPART1, 0x06, (base & 0xFF));
1104 xgifb_reg_set(XGIPART1, 0x05, ((base >> 8) & 0xFF));
1105 xgifb_reg_set(XGIPART1, 0x04, ((base >> 16) & 0xFF));
1106 xgifb_reg_and_or(XGIPART1,
1107 0x02,
1108 0x7F,
1109 ((base >> 24) & 0x01) << 7);
1110 }
1111 return 0;
1112}
1113
1114static int XGIfb_open(struct fb_info *info, int user)
1115{
1116 return 0;
1117}
1118
1119static int XGIfb_release(struct fb_info *info, int user)
1120{
1121 return 0;
1122}
1123
1124
1125static int XGIfb_get_cmap_len(const struct fb_var_screeninfo *var)
1126{
1127 return (var->bits_per_pixel == 8) ? 256 : 16;
1128}
1129
1130static int XGIfb_setcolreg(unsigned int regno, unsigned int red,
1131 unsigned int green, unsigned int blue,
1132 unsigned int transp, struct fb_info *info)
1133{
1134 struct xgifb_video_info *xgifb_info = info->par;
1135
1136 if (regno >= XGIfb_get_cmap_len(&info->var))
1137 return 1;
1138
1139 switch (info->var.bits_per_pixel) {
1140 case 8:
1141 outb(regno, XGIDACA);
1142 outb((red >> 10), XGIDACD);
1143 outb((green >> 10), XGIDACD);
1144 outb((blue >> 10), XGIDACD);
1145 if (xgifb_info->display2 != XGIFB_DISP_NONE) {
1146 outb(regno, XGIDAC2A);
1147 outb((red >> 8), XGIDAC2D);
1148 outb((green >> 8), XGIDAC2D);
1149 outb((blue >> 8), XGIDAC2D);
1150 }
1151 break;
1152 case 16:
1153 ((u32 *) (info->pseudo_palette))[regno] = ((red & 0xf800))
1154 | ((green & 0xfc00) >> 5) | ((blue & 0xf800)
1155 >> 11);
1156 break;
1157 case 32:
1158 red >>= 8;
1159 green >>= 8;
1160 blue >>= 8;
1161 ((u32 *) (info->pseudo_palette))[regno] = (red << 16) | (green
1162 << 8) | (blue);
1163 break;
1164 }
1165 return 0;
1166}
1167
1168
1169
1170static int XGIfb_get_fix(struct fb_fix_screeninfo *fix, int con,
1171 struct fb_info *info)
1172{
1173 struct xgifb_video_info *xgifb_info = info->par;
1174
1175 memset(fix, 0, sizeof(struct fb_fix_screeninfo));
1176
1177 strncpy(fix->id, "XGI", sizeof(fix->id) - 1);
1178
1179
1180 if (atomic_read(&info->count))
1181 mutex_lock(&info->mm_lock);
1182
1183 fix->smem_start = xgifb_info->video_base;
1184 fix->smem_len = xgifb_info->video_size;
1185
1186
1187 if (atomic_read(&info->count))
1188 mutex_unlock(&info->mm_lock);
1189
1190 fix->type = FB_TYPE_PACKED_PIXELS;
1191 fix->type_aux = 0;
1192 if (xgifb_info->video_bpp == 8)
1193 fix->visual = FB_VISUAL_PSEUDOCOLOR;
1194 else
1195 fix->visual = FB_VISUAL_DIRECTCOLOR;
1196 fix->xpanstep = 0;
1197 if (XGIfb_ypan)
1198 fix->ypanstep = 1;
1199 fix->ywrapstep = 0;
1200 fix->line_length = xgifb_info->video_linelength;
1201 fix->mmio_start = xgifb_info->mmio_base;
1202 fix->mmio_len = xgifb_info->mmio_size;
1203 fix->accel = FB_ACCEL_SIS_XABRE;
1204
1205 return 0;
1206}
1207
1208static int XGIfb_set_par(struct fb_info *info)
1209{
1210 int err;
1211
1212 err = XGIfb_do_set_var(&info->var, 1, info);
1213 if (err)
1214 return err;
1215 XGIfb_get_fix(&info->fix, -1, info);
1216 return 0;
1217}
1218
1219static int XGIfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
1220{
1221 struct xgifb_video_info *xgifb_info = info->par;
1222 unsigned int htotal = var->left_margin + var->xres + var->right_margin
1223 + var->hsync_len;
1224 unsigned int vtotal = 0;
1225 unsigned int drate = 0, hrate = 0;
1226 int found_mode = 0;
1227 int search_idx;
1228
1229 if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED) {
1230 vtotal = var->upper_margin + var->yres + var->lower_margin
1231 + var->vsync_len;
1232 vtotal <<= 1;
1233 } else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) {
1234 vtotal = var->upper_margin + var->yres + var->lower_margin
1235 + var->vsync_len;
1236 vtotal <<= 2;
1237 } else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
1238 vtotal = var->upper_margin + (var->yres / 2)
1239 + var->lower_margin + var->vsync_len;
1240 } else
1241 vtotal = var->upper_margin + var->yres + var->lower_margin
1242 + var->vsync_len;
1243
1244 if (!(htotal) || !(vtotal)) {
1245 pr_debug("No valid timing data\n");
1246 return -EINVAL;
1247 }
1248
1249 if (var->pixclock && htotal && vtotal) {
1250 drate = 1000000000 / var->pixclock;
1251 hrate = (drate * 1000) / htotal;
1252 xgifb_info->refresh_rate =
1253 (unsigned int) (hrate * 2 / vtotal);
1254 pr_debug(
1255 "%s: pixclock = %d ,htotal=%d, vtotal=%d\n"
1256 "%s: drate=%d, hrate=%d, refresh_rate=%d\n",
1257 __func__, var->pixclock, htotal, vtotal,
1258 __func__, drate, hrate, xgifb_info->refresh_rate);
1259 } else {
1260 xgifb_info->refresh_rate = 60;
1261 }
1262
1263 search_idx = 0;
1264 while ((XGIbios_mode[search_idx].mode_no != 0) &&
1265 (XGIbios_mode[search_idx].xres <= var->xres)) {
1266 if ((XGIbios_mode[search_idx].xres == var->xres) &&
1267 (XGIbios_mode[search_idx].yres == var->yres) &&
1268 (XGIbios_mode[search_idx].bpp == var->bits_per_pixel)) {
1269 if (XGIfb_validate_mode(xgifb_info, search_idx) > 0) {
1270 found_mode = 1;
1271 break;
1272 }
1273 }
1274 search_idx++;
1275 }
1276
1277 if (!found_mode) {
1278
1279 pr_err("%dx%dx%d is no valid mode\n",
1280 var->xres, var->yres, var->bits_per_pixel);
1281 search_idx = 0;
1282 while (XGIbios_mode[search_idx].mode_no != 0) {
1283 if ((var->xres <= XGIbios_mode[search_idx].xres) &&
1284 (var->yres <= XGIbios_mode[search_idx].yres) &&
1285 (var->bits_per_pixel ==
1286 XGIbios_mode[search_idx].bpp)) {
1287 if (XGIfb_validate_mode(xgifb_info,
1288 search_idx) > 0) {
1289 found_mode = 1;
1290 break;
1291 }
1292 }
1293 search_idx++;
1294 }
1295 if (found_mode) {
1296 var->xres = XGIbios_mode[search_idx].xres;
1297 var->yres = XGIbios_mode[search_idx].yres;
1298 pr_debug("Adapted to mode %dx%dx%d\n",
1299 var->xres, var->yres, var->bits_per_pixel);
1300
1301 } else {
1302 pr_err("Failed to find similar mode to %dx%dx%d\n",
1303 var->xres, var->yres, var->bits_per_pixel);
1304 return -EINVAL;
1305 }
1306 }
1307
1308
1309 XGIfb_bpp_to_var(xgifb_info, var);
1310
1311 if (!XGIfb_ypan) {
1312 if (var->xres != var->xres_virtual)
1313 var->xres_virtual = var->xres;
1314 if (var->yres != var->yres_virtual)
1315 var->yres_virtual = var->yres;
1316 }
1317
1318
1319 if (var->xoffset > var->xres_virtual - var->xres)
1320 var->xoffset = var->xres_virtual - var->xres - 1;
1321
1322 if (var->yoffset > var->yres_virtual - var->yres)
1323 var->yoffset = var->yres_virtual - var->yres - 1;
1324
1325
1326 var->red.msb_right =
1327 var->green.msb_right =
1328 var->blue.msb_right =
1329 var->transp.offset = var->transp.length = var->transp.msb_right = 0;
1330
1331 return 0;
1332}
1333
1334static int XGIfb_pan_display(struct fb_var_screeninfo *var,
1335 struct fb_info *info)
1336{
1337 int err;
1338
1339 if (var->xoffset > (info->var.xres_virtual - info->var.xres))
1340 return -EINVAL;
1341 if (var->yoffset > (info->var.yres_virtual - info->var.yres))
1342 return -EINVAL;
1343
1344 if (var->vmode & FB_VMODE_YWRAP) {
1345 if (var->yoffset >= info->var.yres_virtual || var->xoffset)
1346 return -EINVAL;
1347 } else if (var->xoffset + info->var.xres > info->var.xres_virtual
1348 || var->yoffset + info->var.yres
1349 > info->var.yres_virtual) {
1350 return -EINVAL;
1351 }
1352 err = XGIfb_pan_var(var, info);
1353 if (err < 0)
1354 return err;
1355
1356 info->var.xoffset = var->xoffset;
1357 info->var.yoffset = var->yoffset;
1358 if (var->vmode & FB_VMODE_YWRAP)
1359 info->var.vmode |= FB_VMODE_YWRAP;
1360 else
1361 info->var.vmode &= ~FB_VMODE_YWRAP;
1362
1363 return 0;
1364}
1365
1366static int XGIfb_blank(int blank, struct fb_info *info)
1367{
1368 struct xgifb_video_info *xgifb_info = info->par;
1369 u8 reg;
1370
1371 reg = xgifb_reg_get(XGICR, 0x17);
1372
1373 if (blank > 0)
1374 reg &= 0x7f;
1375 else
1376 reg |= 0x80;
1377
1378 xgifb_reg_set(XGICR, 0x17, reg);
1379 xgifb_reg_set(XGISR, 0x00, 0x01);
1380 xgifb_reg_set(XGISR, 0x00, 0x03);
1381 return 0;
1382}
1383
1384static struct fb_ops XGIfb_ops = {
1385 .owner = THIS_MODULE,
1386 .fb_open = XGIfb_open,
1387 .fb_release = XGIfb_release,
1388 .fb_check_var = XGIfb_check_var,
1389 .fb_set_par = XGIfb_set_par,
1390 .fb_setcolreg = XGIfb_setcolreg,
1391 .fb_pan_display = XGIfb_pan_display,
1392 .fb_blank = XGIfb_blank,
1393 .fb_fillrect = cfb_fillrect,
1394 .fb_copyarea = cfb_copyarea,
1395 .fb_imageblit = cfb_imageblit,
1396};
1397
1398
1399
1400
1401
1402static int XGIfb_get_dram_size(struct xgifb_video_info *xgifb_info)
1403{
1404
1405 u8 ChannelNum, tmp;
1406 u8 reg = 0;
1407
1408
1409 if (xgifb_info->chip == XG27)
1410 xgifb_reg_set(XGISR, IND_SIS_DRAM_SIZE, 0x51);
1411
1412 reg = xgifb_reg_get(XGISR, IND_SIS_DRAM_SIZE);
1413 if (!reg)
1414 return -1;
1415
1416 switch ((reg & XGI_DRAM_SIZE_MASK) >> 4) {
1417 case XGI_DRAM_SIZE_1MB:
1418 xgifb_info->video_size = 0x100000;
1419 break;
1420 case XGI_DRAM_SIZE_2MB:
1421 xgifb_info->video_size = 0x200000;
1422 break;
1423 case XGI_DRAM_SIZE_4MB:
1424 xgifb_info->video_size = 0x400000;
1425 break;
1426 case XGI_DRAM_SIZE_8MB:
1427 xgifb_info->video_size = 0x800000;
1428 break;
1429 case XGI_DRAM_SIZE_16MB:
1430 xgifb_info->video_size = 0x1000000;
1431 break;
1432 case XGI_DRAM_SIZE_32MB:
1433 xgifb_info->video_size = 0x2000000;
1434 break;
1435 case XGI_DRAM_SIZE_64MB:
1436 xgifb_info->video_size = 0x4000000;
1437 break;
1438 case XGI_DRAM_SIZE_128MB:
1439 xgifb_info->video_size = 0x8000000;
1440 break;
1441 case XGI_DRAM_SIZE_256MB:
1442 xgifb_info->video_size = 0x10000000;
1443 break;
1444 default:
1445 return -1;
1446 }
1447
1448 tmp = (reg & 0x0c) >> 2;
1449 switch (xgifb_info->chip) {
1450 case XG20:
1451 case XG21:
1452 case XG27:
1453 ChannelNum = 1;
1454 break;
1455
1456 case XG42:
1457 if (reg & 0x04)
1458 ChannelNum = 2;
1459 else
1460 ChannelNum = 1;
1461 break;
1462
1463 case XG40:
1464 default:
1465 if (tmp == 2)
1466 ChannelNum = 2;
1467 else if (tmp == 3)
1468 ChannelNum = 3;
1469 else
1470 ChannelNum = 1;
1471 break;
1472 }
1473
1474 xgifb_info->video_size = xgifb_info->video_size * ChannelNum;
1475
1476 pr_info("SR14=%x DramSzie %x ChannelNum %x\n",
1477 reg,
1478 xgifb_info->video_size, ChannelNum);
1479 return 0;
1480
1481}
1482
1483static void XGIfb_detect_VB(struct xgifb_video_info *xgifb_info)
1484{
1485 u8 cr32, temp = 0;
1486
1487 xgifb_info->TV_plug = xgifb_info->TV_type = 0;
1488
1489 cr32 = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR32);
1490
1491 if ((cr32 & SIS_CRT1) && !XGIfb_crt1off)
1492 XGIfb_crt1off = 0;
1493 else {
1494 if (cr32 & 0x5F)
1495 XGIfb_crt1off = 1;
1496 else
1497 XGIfb_crt1off = 0;
1498 }
1499
1500 if (!xgifb_info->display2_force) {
1501 if (cr32 & SIS_VB_TV)
1502 xgifb_info->display2 = XGIFB_DISP_TV;
1503 else if (cr32 & SIS_VB_LCD)
1504 xgifb_info->display2 = XGIFB_DISP_LCD;
1505 else if (cr32 & SIS_VB_CRT2)
1506 xgifb_info->display2 = XGIFB_DISP_CRT;
1507 else
1508 xgifb_info->display2 = XGIFB_DISP_NONE;
1509 }
1510
1511 if (XGIfb_tvplug != -1)
1512
1513 xgifb_info->TV_plug = XGIfb_tvplug;
1514 else if (cr32 & SIS_VB_HIVISION) {
1515 xgifb_info->TV_type = TVMODE_HIVISION;
1516 xgifb_info->TV_plug = TVPLUG_SVIDEO;
1517 } else if (cr32 & SIS_VB_SVIDEO)
1518 xgifb_info->TV_plug = TVPLUG_SVIDEO;
1519 else if (cr32 & SIS_VB_COMPOSITE)
1520 xgifb_info->TV_plug = TVPLUG_COMPOSITE;
1521 else if (cr32 & SIS_VB_SCART)
1522 xgifb_info->TV_plug = TVPLUG_SCART;
1523
1524 if (xgifb_info->TV_type == 0) {
1525 temp = xgifb_reg_get(XGICR, 0x38);
1526 if (temp & 0x10)
1527 xgifb_info->TV_type = TVMODE_PAL;
1528 else
1529 xgifb_info->TV_type = TVMODE_NTSC;
1530 }
1531
1532
1533 if (XGIfb_forcecrt1 != -1) {
1534 if (XGIfb_forcecrt1)
1535 XGIfb_crt1off = 0;
1536 else
1537 XGIfb_crt1off = 1;
1538 }
1539}
1540
1541static bool XGIfb_has_VB(struct xgifb_video_info *xgifb_info)
1542{
1543 u8 vb_chipid;
1544
1545 vb_chipid = xgifb_reg_get(XGIPART4, 0x00);
1546 switch (vb_chipid) {
1547 case 0x01:
1548 xgifb_info->hasVB = HASVB_301;
1549 break;
1550 case 0x02:
1551 xgifb_info->hasVB = HASVB_302;
1552 break;
1553 default:
1554 xgifb_info->hasVB = HASVB_NONE;
1555 return false;
1556 }
1557 return true;
1558}
1559
1560static void XGIfb_get_VB_type(struct xgifb_video_info *xgifb_info)
1561{
1562 u8 reg;
1563
1564 if (!XGIfb_has_VB(xgifb_info)) {
1565 reg = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR37);
1566 switch ((reg & SIS_EXTERNAL_CHIP_MASK) >> 1) {
1567 case SIS_EXTERNAL_CHIP_LVDS:
1568 xgifb_info->hasVB = HASVB_LVDS;
1569 break;
1570 case SIS_EXTERNAL_CHIP_LVDS_CHRONTEL:
1571 xgifb_info->hasVB = HASVB_LVDS_CHRONTEL;
1572 break;
1573 default:
1574 break;
1575 }
1576 }
1577}
1578
1579static int __init xgifb_optval(char *fullopt, int validx)
1580{
1581 unsigned long lres;
1582
1583 if (kstrtoul(fullopt + validx, 0, &lres) < 0 || lres > INT_MAX) {
1584 pr_err("Invalid value for option: %s\n", fullopt);
1585 return 0;
1586 }
1587 return lres;
1588}
1589
1590static int __init XGIfb_setup(char *options)
1591{
1592 char *this_opt;
1593
1594 if (!options || !*options)
1595 return 0;
1596
1597 pr_info("Options: %s\n", options);
1598
1599 while ((this_opt = strsep(&options, ",")) != NULL) {
1600
1601 if (!*this_opt)
1602 continue;
1603
1604 if (!strncmp(this_opt, "mode:", 5)) {
1605 mode = this_opt + 5;
1606 } else if (!strncmp(this_opt, "vesa:", 5)) {
1607 vesa = xgifb_optval(this_opt, 5);
1608 } else if (!strncmp(this_opt, "vrate:", 6)) {
1609 refresh_rate = xgifb_optval(this_opt, 6);
1610 } else if (!strncmp(this_opt, "rate:", 5)) {
1611 refresh_rate = xgifb_optval(this_opt, 5);
1612 } else if (!strncmp(this_opt, "crt1off", 7)) {
1613 XGIfb_crt1off = 1;
1614 } else if (!strncmp(this_opt, "filter:", 7)) {
1615 filter = xgifb_optval(this_opt, 7);
1616 } else if (!strncmp(this_opt, "forcecrt2type:", 14)) {
1617 XGIfb_search_crt2type(this_opt + 14);
1618 } else if (!strncmp(this_opt, "forcecrt1:", 10)) {
1619 XGIfb_forcecrt1 = xgifb_optval(this_opt, 10);
1620 } else if (!strncmp(this_opt, "tvmode:", 7)) {
1621 XGIfb_search_tvstd(this_opt + 7);
1622 } else if (!strncmp(this_opt, "tvstandard:", 11)) {
1623 XGIfb_search_tvstd(this_opt + 7);
1624 } else if (!strncmp(this_opt, "dstn", 4)) {
1625 enable_dstn = 1;
1626
1627 XGIfb_crt2type = XGIFB_DISP_LCD;
1628 } else if (!strncmp(this_opt, "noypan", 6)) {
1629 XGIfb_ypan = 0;
1630 } else {
1631 mode = this_opt;
1632 }
1633 }
1634 return 0;
1635}
1636
1637static int xgifb_probe(struct pci_dev *pdev,
1638 const struct pci_device_id *ent)
1639{
1640 u8 reg, reg1;
1641 u8 CR48, CR38;
1642 int ret;
1643 struct fb_info *fb_info;
1644 struct xgifb_video_info *xgifb_info;
1645 struct xgi_hw_device_info *hw_info;
1646 unsigned long video_size_max;
1647
1648 fb_info = framebuffer_alloc(sizeof(*xgifb_info), &pdev->dev);
1649 if (!fb_info)
1650 return -ENOMEM;
1651
1652 xgifb_info = fb_info->par;
1653 hw_info = &xgifb_info->hw_info;
1654 xgifb_info->fb_info = fb_info;
1655 xgifb_info->chip_id = pdev->device;
1656 pci_read_config_byte(pdev,
1657 PCI_REVISION_ID,
1658 &xgifb_info->revision_id);
1659 hw_info->jChipRevision = xgifb_info->revision_id;
1660
1661 xgifb_info->pcibus = pdev->bus->number;
1662 xgifb_info->pcislot = PCI_SLOT(pdev->devfn);
1663 xgifb_info->pcifunc = PCI_FUNC(pdev->devfn);
1664 xgifb_info->subsysvendor = pdev->subsystem_vendor;
1665 xgifb_info->subsysdevice = pdev->subsystem_device;
1666
1667 video_size_max = pci_resource_len(pdev, 0);
1668 xgifb_info->video_base = pci_resource_start(pdev, 0);
1669 xgifb_info->mmio_base = pci_resource_start(pdev, 1);
1670 xgifb_info->mmio_size = pci_resource_len(pdev, 1);
1671 xgifb_info->vga_base = pci_resource_start(pdev, 2) + 0x30;
1672 dev_info(&pdev->dev, "Relocate IO address: %Lx [%08lx]\n",
1673 (u64) pci_resource_start(pdev, 2),
1674 xgifb_info->vga_base);
1675
1676 if (pci_enable_device(pdev)) {
1677 ret = -EIO;
1678 goto error;
1679 }
1680
1681 if (XGIfb_crt2type != -1) {
1682 xgifb_info->display2 = XGIfb_crt2type;
1683 xgifb_info->display2_force = true;
1684 }
1685
1686 XGIRegInit(&xgifb_info->dev_info, xgifb_info->vga_base);
1687
1688 xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD);
1689 reg1 = xgifb_reg_get(XGISR, IND_SIS_PASSWORD);
1690
1691 if (reg1 != 0xa1) {
1692 dev_err(&pdev->dev, "I/O error\n");
1693 ret = -EIO;
1694 goto error_disable;
1695 }
1696
1697 switch (xgifb_info->chip_id) {
1698 case PCI_DEVICE_ID_XGI_20:
1699 xgifb_reg_or(XGICR, Index_CR_GPIO_Reg3, GPIOG_EN);
1700 CR48 = xgifb_reg_get(XGICR, Index_CR_GPIO_Reg1);
1701 if (CR48&GPIOG_READ)
1702 xgifb_info->chip = XG21;
1703 else
1704 xgifb_info->chip = XG20;
1705 break;
1706 case PCI_DEVICE_ID_XGI_40:
1707 xgifb_info->chip = XG40;
1708 break;
1709 case PCI_DEVICE_ID_XGI_42:
1710 xgifb_info->chip = XG42;
1711 break;
1712 case PCI_DEVICE_ID_XGI_27:
1713 xgifb_info->chip = XG27;
1714 break;
1715 default:
1716 ret = -ENODEV;
1717 goto error_disable;
1718 }
1719
1720 dev_info(&pdev->dev, "chipid = %x\n", xgifb_info->chip);
1721 hw_info->jChipType = xgifb_info->chip;
1722
1723 if (XGIfb_get_dram_size(xgifb_info)) {
1724 xgifb_info->video_size = min_t(unsigned long, video_size_max,
1725 SZ_16M);
1726 } else if (xgifb_info->video_size > video_size_max) {
1727 xgifb_info->video_size = video_size_max;
1728 }
1729
1730
1731 xgifb_reg_or(XGISR,
1732 IND_SIS_PCI_ADDRESS_SET,
1733 (SIS_PCI_ADDR_ENABLE | SIS_MEM_MAP_IO_ENABLE));
1734
1735 xgifb_reg_or(XGISR, IND_SIS_MODULE_ENABLE, SIS_ENABLE_2D);
1736
1737 hw_info->ulVideoMemorySize = xgifb_info->video_size;
1738
1739 if (!request_mem_region(xgifb_info->video_base,
1740 xgifb_info->video_size,
1741 "XGIfb FB")) {
1742 dev_err(&pdev->dev, "Unable request memory size %x\n",
1743 xgifb_info->video_size);
1744 dev_err(&pdev->dev,
1745 "Fatal error: Unable to reserve frame buffer memory. Is there another framebuffer driver active?\n");
1746 ret = -ENODEV;
1747 goto error_disable;
1748 }
1749
1750 if (!request_mem_region(xgifb_info->mmio_base,
1751 xgifb_info->mmio_size,
1752 "XGIfb MMIO")) {
1753 dev_err(&pdev->dev,
1754 "Fatal error: Unable to reserve MMIO region\n");
1755 ret = -ENODEV;
1756 goto error_0;
1757 }
1758
1759 xgifb_info->video_vbase = hw_info->pjVideoMemoryAddress =
1760 ioremap_wc(xgifb_info->video_base, xgifb_info->video_size);
1761 xgifb_info->mmio_vbase = ioremap(xgifb_info->mmio_base,
1762 xgifb_info->mmio_size);
1763
1764 dev_info(&pdev->dev,
1765 "Framebuffer at 0x%Lx, mapped to 0x%p, size %dk\n",
1766 (u64) xgifb_info->video_base,
1767 xgifb_info->video_vbase,
1768 xgifb_info->video_size / 1024);
1769
1770 dev_info(&pdev->dev,
1771 "MMIO at 0x%Lx, mapped to 0x%p, size %ldk\n",
1772 (u64) xgifb_info->mmio_base, xgifb_info->mmio_vbase,
1773 xgifb_info->mmio_size / 1024);
1774
1775 pci_set_drvdata(pdev, xgifb_info);
1776 if (!XGIInitNew(pdev))
1777 dev_err(&pdev->dev, "XGIInitNew() failed!\n");
1778
1779 xgifb_info->mtrr = -1;
1780
1781 xgifb_info->hasVB = HASVB_NONE;
1782 if ((xgifb_info->chip == XG20) ||
1783 (xgifb_info->chip == XG27)) {
1784 xgifb_info->hasVB = HASVB_NONE;
1785 } else if (xgifb_info->chip == XG21) {
1786 CR38 = xgifb_reg_get(XGICR, 0x38);
1787 if ((CR38&0xE0) == 0xC0)
1788 xgifb_info->display2 = XGIFB_DISP_LCD;
1789 else if ((CR38&0xE0) == 0x60)
1790 xgifb_info->hasVB = HASVB_CHRONTEL;
1791 else
1792 xgifb_info->hasVB = HASVB_NONE;
1793 } else {
1794 XGIfb_get_VB_type(xgifb_info);
1795 }
1796
1797 hw_info->ujVBChipID = VB_CHIP_UNKNOWN;
1798
1799 hw_info->ulExternalChip = 0;
1800
1801 switch (xgifb_info->hasVB) {
1802 case HASVB_301:
1803 reg = xgifb_reg_get(XGIPART4, 0x01);
1804 if (reg >= 0xE0) {
1805 hw_info->ujVBChipID = VB_CHIP_302LV;
1806 dev_info(&pdev->dev,
1807 "XGI302LV bridge detected (revision 0x%02x)\n",
1808 reg);
1809 } else if (reg >= 0xD0) {
1810 hw_info->ujVBChipID = VB_CHIP_301LV;
1811 dev_info(&pdev->dev,
1812 "XGI301LV bridge detected (revision 0x%02x)\n",
1813 reg);
1814 } else {
1815 hw_info->ujVBChipID = VB_CHIP_301;
1816 dev_info(&pdev->dev, "XGI301 bridge detected\n");
1817 }
1818 break;
1819 case HASVB_302:
1820 reg = xgifb_reg_get(XGIPART4, 0x01);
1821 if (reg >= 0xE0) {
1822 hw_info->ujVBChipID = VB_CHIP_302LV;
1823 dev_info(&pdev->dev,
1824 "XGI302LV bridge detected (revision 0x%02x)\n",
1825 reg);
1826 } else if (reg >= 0xD0) {
1827 hw_info->ujVBChipID = VB_CHIP_301LV;
1828 dev_info(&pdev->dev,
1829 "XGI302LV bridge detected (revision 0x%02x)\n",
1830 reg);
1831 } else if (reg >= 0xB0) {
1832 reg1 = xgifb_reg_get(XGIPART4, 0x23);
1833
1834 hw_info->ujVBChipID = VB_CHIP_302B;
1835
1836 } else {
1837 hw_info->ujVBChipID = VB_CHIP_302;
1838 dev_info(&pdev->dev, "XGI302 bridge detected\n");
1839 }
1840 break;
1841 case HASVB_LVDS:
1842 hw_info->ulExternalChip = 0x1;
1843 dev_info(&pdev->dev, "LVDS transmitter detected\n");
1844 break;
1845 case HASVB_TRUMPION:
1846 hw_info->ulExternalChip = 0x2;
1847 dev_info(&pdev->dev, "Trumpion Zurac LVDS scaler detected\n");
1848 break;
1849 case HASVB_CHRONTEL:
1850 hw_info->ulExternalChip = 0x4;
1851 dev_info(&pdev->dev, "Chrontel TV encoder detected\n");
1852 break;
1853 case HASVB_LVDS_CHRONTEL:
1854 hw_info->ulExternalChip = 0x5;
1855 dev_info(&pdev->dev,
1856 "LVDS transmitter and Chrontel TV encoder detected\n");
1857 break;
1858 default:
1859 dev_info(&pdev->dev, "No or unknown bridge type detected\n");
1860 break;
1861 }
1862
1863 if (xgifb_info->hasVB != HASVB_NONE)
1864 XGIfb_detect_VB(xgifb_info);
1865 else if (xgifb_info->chip != XG21)
1866 xgifb_info->display2 = XGIFB_DISP_NONE;
1867
1868 if (xgifb_info->display2 == XGIFB_DISP_LCD) {
1869 if (!enable_dstn) {
1870 reg = xgifb_reg_get(XGICR, IND_XGI_LCD_PANEL);
1871 reg &= 0x0f;
1872 hw_info->ulCRT2LCDType = XGI310paneltype[reg];
1873 }
1874 }
1875
1876 xgifb_info->mode_idx = -1;
1877
1878 if (mode)
1879 XGIfb_search_mode(xgifb_info, mode);
1880 else if (vesa != -1)
1881 XGIfb_search_vesamode(xgifb_info, vesa);
1882
1883 if (xgifb_info->mode_idx >= 0)
1884 xgifb_info->mode_idx =
1885 XGIfb_validate_mode(xgifb_info, xgifb_info->mode_idx);
1886
1887 if (xgifb_info->mode_idx < 0) {
1888 if (xgifb_info->display2 == XGIFB_DISP_LCD &&
1889 xgifb_info->chip == XG21)
1890 xgifb_info->mode_idx =
1891 XGIfb_GetXG21DefaultLVDSModeIdx(xgifb_info);
1892 else
1893 xgifb_info->mode_idx = DEFAULT_MODE;
1894 }
1895
1896 if (xgifb_info->mode_idx < 0) {
1897 dev_err(&pdev->dev, "No supported video mode found\n");
1898 ret = -EINVAL;
1899 goto error_1;
1900 }
1901
1902
1903 xgifb_info->refresh_rate = refresh_rate;
1904 if (xgifb_info->refresh_rate == 0)
1905 xgifb_info->refresh_rate = 60;
1906 if (XGIfb_search_refresh_rate(xgifb_info,
1907 xgifb_info->refresh_rate) == 0) {
1908 xgifb_info->rate_idx = 1;
1909 xgifb_info->refresh_rate = 60;
1910 }
1911
1912 xgifb_info->video_bpp = XGIbios_mode[xgifb_info->mode_idx].bpp;
1913 xgifb_info->video_vwidth =
1914 xgifb_info->video_width =
1915 XGIbios_mode[xgifb_info->mode_idx].xres;
1916 xgifb_info->video_vheight =
1917 xgifb_info->video_height =
1918 XGIbios_mode[xgifb_info->mode_idx].yres;
1919 xgifb_info->org_x = xgifb_info->org_y = 0;
1920 xgifb_info->video_linelength =
1921 xgifb_info->video_width *
1922 (xgifb_info->video_bpp >> 3);
1923 switch (xgifb_info->video_bpp) {
1924 case 8:
1925 xgifb_info->DstColor = 0x0000;
1926 xgifb_info->XGI310_AccelDepth = 0x00000000;
1927 xgifb_info->video_cmap_len = 256;
1928 break;
1929 case 16:
1930 xgifb_info->DstColor = 0x8000;
1931 xgifb_info->XGI310_AccelDepth = 0x00010000;
1932 xgifb_info->video_cmap_len = 16;
1933 break;
1934 case 32:
1935 xgifb_info->DstColor = 0xC000;
1936 xgifb_info->XGI310_AccelDepth = 0x00020000;
1937 xgifb_info->video_cmap_len = 16;
1938 break;
1939 default:
1940 xgifb_info->video_cmap_len = 16;
1941 pr_info("Unsupported depth %d\n",
1942 xgifb_info->video_bpp);
1943 break;
1944 }
1945
1946 pr_info("Default mode is %dx%dx%d (%dHz)\n",
1947 xgifb_info->video_width,
1948 xgifb_info->video_height,
1949 xgifb_info->video_bpp,
1950 xgifb_info->refresh_rate);
1951
1952 fb_info->var.red.length = 8;
1953 fb_info->var.green.length = 8;
1954 fb_info->var.blue.length = 8;
1955 fb_info->var.activate = FB_ACTIVATE_NOW;
1956 fb_info->var.height = -1;
1957 fb_info->var.width = -1;
1958 fb_info->var.vmode = FB_VMODE_NONINTERLACED;
1959 fb_info->var.xres = xgifb_info->video_width;
1960 fb_info->var.xres_virtual = xgifb_info->video_width;
1961 fb_info->var.yres = xgifb_info->video_height;
1962 fb_info->var.yres_virtual = xgifb_info->video_height;
1963 fb_info->var.bits_per_pixel = xgifb_info->video_bpp;
1964
1965 XGIfb_bpp_to_var(xgifb_info, &fb_info->var);
1966
1967 fb_info->var.pixclock = (u32) (1000000000 /
1968 XGIfb_mode_rate_to_dclock(&xgifb_info->dev_info,
1969 hw_info,
1970 XGIbios_mode[xgifb_info->mode_idx].mode_no));
1971
1972 if (XGIfb_mode_rate_to_ddata(&xgifb_info->dev_info, hw_info,
1973 XGIbios_mode[xgifb_info->mode_idx].mode_no,
1974 &fb_info->var.left_margin,
1975 &fb_info->var.right_margin,
1976 &fb_info->var.upper_margin,
1977 &fb_info->var.lower_margin,
1978 &fb_info->var.hsync_len,
1979 &fb_info->var.vsync_len,
1980 &fb_info->var.sync,
1981 &fb_info->var.vmode)) {
1982
1983 if ((fb_info->var.vmode & FB_VMODE_MASK) ==
1984 FB_VMODE_INTERLACED) {
1985 fb_info->var.yres <<= 1;
1986 fb_info->var.yres_virtual <<= 1;
1987 } else if ((fb_info->var.vmode & FB_VMODE_MASK) ==
1988 FB_VMODE_DOUBLE) {
1989 fb_info->var.pixclock >>= 1;
1990 fb_info->var.yres >>= 1;
1991 fb_info->var.yres_virtual >>= 1;
1992 }
1993
1994 }
1995
1996 fb_info->flags = FBINFO_FLAG_DEFAULT;
1997 fb_info->screen_base = xgifb_info->video_vbase;
1998 fb_info->fbops = &XGIfb_ops;
1999 XGIfb_get_fix(&fb_info->fix, -1, fb_info);
2000 fb_info->pseudo_palette = xgifb_info->pseudo_palette;
2001
2002 fb_alloc_cmap(&fb_info->cmap, 256, 0);
2003
2004 xgifb_info->mtrr = arch_phys_wc_add(xgifb_info->video_base,
2005 xgifb_info->video_size);
2006
2007 if (register_framebuffer(fb_info) < 0) {
2008 ret = -EINVAL;
2009 goto error_mtrr;
2010 }
2011
2012 dumpVGAReg(xgifb_info);
2013
2014 return 0;
2015
2016error_mtrr:
2017 arch_phys_wc_del(xgifb_info->mtrr);
2018error_1:
2019 iounmap(xgifb_info->mmio_vbase);
2020 iounmap(xgifb_info->video_vbase);
2021 release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
2022error_0:
2023 release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
2024error_disable:
2025 pci_disable_device(pdev);
2026error:
2027 framebuffer_release(fb_info);
2028 return ret;
2029}
2030
2031
2032
2033
2034
2035static void xgifb_remove(struct pci_dev *pdev)
2036{
2037 struct xgifb_video_info *xgifb_info = pci_get_drvdata(pdev);
2038 struct fb_info *fb_info = xgifb_info->fb_info;
2039
2040 unregister_framebuffer(fb_info);
2041 arch_phys_wc_del(xgifb_info->mtrr);
2042 iounmap(xgifb_info->mmio_vbase);
2043 iounmap(xgifb_info->video_vbase);
2044 release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
2045 release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
2046 pci_disable_device(pdev);
2047 framebuffer_release(fb_info);
2048}
2049
2050static struct pci_driver xgifb_driver = {
2051 .name = "xgifb",
2052 .id_table = xgifb_pci_table,
2053 .probe = xgifb_probe,
2054 .remove = xgifb_remove
2055};
2056
2057
2058
2059
2060
2061module_param(mode, charp, 0);
2062MODULE_PARM_DESC(mode,
2063 "Selects the desired default display mode in the format XxYxDepth (eg. 1024x768x16).");
2064
2065module_param(forcecrt2type, charp, 0);
2066MODULE_PARM_DESC(forcecrt2type,
2067 "Force the second display output type. Possible values are NONE, LCD, TV, VGA, SVIDEO or COMPOSITE.");
2068
2069module_param(vesa, int, 0);
2070MODULE_PARM_DESC(vesa,
2071 "Selects the desired default display mode by VESA mode number (eg. 0x117).");
2072
2073module_param(filter, int, 0);
2074MODULE_PARM_DESC(filter,
2075 "Selects TV flicker filter type (only for systems with a SiS301 video bridge). Possible values 0-7. Default: [no filter]).");
2076
2077static int __init xgifb_init(void)
2078{
2079 char *option = NULL;
2080
2081 if (forcecrt2type)
2082 XGIfb_search_crt2type(forcecrt2type);
2083 if (fb_get_options("xgifb", &option))
2084 return -ENODEV;
2085 XGIfb_setup(option);
2086
2087 return pci_register_driver(&xgifb_driver);
2088}
2089
2090static void __exit xgifb_remove_module(void)
2091{
2092 pci_unregister_driver(&xgifb_driver);
2093 pr_debug("Module unloaded\n");
2094}
2095
2096MODULE_DESCRIPTION("Z7 Z9 Z9S Z11 framebuffer device driver");
2097MODULE_LICENSE("GPL");
2098MODULE_AUTHOR("XGITECH , Others");
2099module_init(xgifb_init);
2100module_exit(xgifb_remove_module);
2101
