1 /*
2 * XG20, XG21, XG40, XG42 frame buffer device
3 * for Linux kernels 2.5.x, 2.6.x
4 * Base on TW's sis fbdev code.
5 */
6
7 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
8
9 #include <linux/sizes.h>
10 #include <linux/module.h>
11
12 #ifdef CONFIG_MTRR
13 #include <asm/mtrr.h>
14 #endif
15
16 #include "XGI_main.h"
17 #include "vb_init.h"
18 #include "vb_util.h"
19 #include "vb_setmode.h"
20
21 #define Index_CR_GPIO_Reg1 0x48
22 #define Index_CR_GPIO_Reg3 0x4a
23
24 #define GPIOG_EN (1<<6)
25 #define GPIOG_READ (1<<1)
26
27 static char *forcecrt2type;
28 static char *mode;
29 static int vesa = -1;
30 static unsigned int refresh_rate;
31
32 /* -------------------- Macro definitions ---------------------------- */
33
34 #ifdef DEBUG
dumpVGAReg(void)35 static void dumpVGAReg(void)
36 {
37 u8 i, reg;
38
39 xgifb_reg_set(XGISR, 0x05, 0x86);
40
41 for (i = 0; i < 0x4f; i++) {
42 reg = xgifb_reg_get(XGISR, i);
43 pr_debug("o 3c4 %x\n", i);
44 pr_debug("i 3c5 => %x\n", reg);
45 }
46
47 for (i = 0; i < 0xF0; i++) {
48 reg = xgifb_reg_get(XGICR, i);
49 pr_debug("o 3d4 %x\n", i);
50 pr_debug("i 3d5 => %x\n", reg);
51 }
52 }
53 #else
dumpVGAReg(void)54 static inline void dumpVGAReg(void)
55 {
56 }
57 #endif
58
59 /* --------------- Hardware Access Routines -------------------------- */
60
XGIfb_mode_rate_to_dclock(struct vb_device_info * XGI_Pr,struct xgi_hw_device_info * HwDeviceExtension,unsigned char modeno)61 static int XGIfb_mode_rate_to_dclock(struct vb_device_info *XGI_Pr,
62 struct xgi_hw_device_info *HwDeviceExtension,
63 unsigned char modeno)
64 {
65 unsigned short ModeNo = modeno;
66 unsigned short ModeIdIndex = 0, ClockIndex = 0;
67 unsigned short RefreshRateTableIndex = 0;
68 int Clock;
69
70 InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
71
72 XGI_SearchModeID(ModeNo, &ModeIdIndex);
73
74 RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
75 ModeIdIndex, XGI_Pr);
76
77 ClockIndex = XGI330_RefIndex[RefreshRateTableIndex].Ext_CRTVCLK;
78
79 Clock = XGI_VCLKData[ClockIndex].CLOCK * 1000;
80
81 return Clock;
82 }
83
XGIfb_mode_rate_to_ddata(struct vb_device_info * XGI_Pr,struct xgi_hw_device_info * HwDeviceExtension,unsigned char modeno,u32 * left_margin,u32 * right_margin,u32 * upper_margin,u32 * lower_margin,u32 * hsync_len,u32 * vsync_len,u32 * sync,u32 * vmode)84 static int XGIfb_mode_rate_to_ddata(struct vb_device_info *XGI_Pr,
85 struct xgi_hw_device_info *HwDeviceExtension,
86 unsigned char modeno,
87 u32 *left_margin, u32 *right_margin, u32 *upper_margin,
88 u32 *lower_margin, u32 *hsync_len, u32 *vsync_len, u32 *sync,
89 u32 *vmode)
90 {
91 unsigned short ModeNo = modeno;
92 unsigned short ModeIdIndex, index = 0;
93 unsigned short RefreshRateTableIndex = 0;
94
95 unsigned short VRE, VBE, VRS, VDE;
96 unsigned short HRE, HBE, HRS, HDE;
97 unsigned char sr_data, cr_data, cr_data2;
98 int B, C, D, F, temp, j;
99
100 InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
101 if (!XGI_SearchModeID(ModeNo, &ModeIdIndex))
102 return 0;
103 RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
104 ModeIdIndex, XGI_Pr);
105 index = XGI330_RefIndex[RefreshRateTableIndex].Ext_CRT1CRTC;
106
107 sr_data = XGI_CRT1Table[index].CR[5];
108
109 HDE = XGI330_RefIndex[RefreshRateTableIndex].XRes >> 3;
110
111 cr_data = XGI_CRT1Table[index].CR[3];
112
113 /* Horizontal retrace (=sync) start */
114 HRS = (cr_data & 0xff) | ((unsigned short) (sr_data & 0xC0) << 2);
115 F = HRS - HDE - 3;
116
117 sr_data = XGI_CRT1Table[index].CR[6];
118
119 cr_data = XGI_CRT1Table[index].CR[2];
120
121 cr_data2 = XGI_CRT1Table[index].CR[4];
122
123 /* Horizontal blank end */
124 HBE = (cr_data & 0x1f) | ((unsigned short) (cr_data2 & 0x80) >> 2)
125 | ((unsigned short) (sr_data & 0x03) << 6);
126
127 /* Horizontal retrace (=sync) end */
128 HRE = (cr_data2 & 0x1f) | ((sr_data & 0x04) << 3);
129
130 temp = HBE - ((HDE - 1) & 255);
131 B = (temp > 0) ? temp : (temp + 256);
132
133 temp = HRE - ((HDE + F + 3) & 63);
134 C = (temp > 0) ? temp : (temp + 64);
135
136 D = B - F - C;
137
138 *left_margin = D * 8;
139 *right_margin = F * 8;
140 *hsync_len = C * 8;
141
142 sr_data = XGI_CRT1Table[index].CR[14];
143
144 cr_data2 = XGI_CRT1Table[index].CR[9];
145
146 VDE = XGI330_RefIndex[RefreshRateTableIndex].YRes;
147
148 cr_data = XGI_CRT1Table[index].CR[10];
149
150 /* Vertical retrace (=sync) start */
151 VRS = (cr_data & 0xff) | ((unsigned short) (cr_data2 & 0x04) << 6)
152 | ((unsigned short) (cr_data2 & 0x80) << 2)
153 | ((unsigned short) (sr_data & 0x08) << 7);
154 F = VRS + 1 - VDE;
155
156 cr_data = XGI_CRT1Table[index].CR[13];
157
158 /* Vertical blank end */
159 VBE = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x10) << 4);
160 temp = VBE - ((VDE - 1) & 511);
161 B = (temp > 0) ? temp : (temp + 512);
162
163 cr_data = XGI_CRT1Table[index].CR[11];
164
165 /* Vertical retrace (=sync) end */
166 VRE = (cr_data & 0x0f) | ((sr_data & 0x20) >> 1);
167 temp = VRE - ((VDE + F - 1) & 31);
168 C = (temp > 0) ? temp : (temp + 32);
169
170 D = B - F - C;
171
172 *upper_margin = D;
173 *lower_margin = F;
174 *vsync_len = C;
175
176 if (XGI330_RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x8000)
177 *sync &= ~FB_SYNC_VERT_HIGH_ACT;
178 else
179 *sync |= FB_SYNC_VERT_HIGH_ACT;
180
181 if (XGI330_RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x4000)
182 *sync &= ~FB_SYNC_HOR_HIGH_ACT;
183 else
184 *sync |= FB_SYNC_HOR_HIGH_ACT;
185
186 *vmode = FB_VMODE_NONINTERLACED;
187 if (XGI330_RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x0080)
188 *vmode = FB_VMODE_INTERLACED;
189 else {
190 j = 0;
191 while (XGI330_EModeIDTable[j].Ext_ModeID != 0xff) {
192 if (XGI330_EModeIDTable[j].Ext_ModeID ==
193 XGI330_RefIndex[RefreshRateTableIndex].ModeID) {
194 if (XGI330_EModeIDTable[j].Ext_ModeFlag &
195 DoubleScanMode) {
196 *vmode = FB_VMODE_DOUBLE;
197 }
198 break;
199 }
200 j++;
201 }
202 }
203
204 return 1;
205 }
206
XGIRegInit(struct vb_device_info * XGI_Pr,unsigned long BaseAddr)207 void XGIRegInit(struct vb_device_info *XGI_Pr, unsigned long BaseAddr)
208 {
209 XGI_Pr->P3c4 = BaseAddr + 0x14;
210 XGI_Pr->P3d4 = BaseAddr + 0x24;
211 XGI_Pr->P3c0 = BaseAddr + 0x10;
212 XGI_Pr->P3ce = BaseAddr + 0x1e;
213 XGI_Pr->P3c2 = BaseAddr + 0x12;
214 XGI_Pr->P3cc = BaseAddr + 0x1c;
215 XGI_Pr->P3ca = BaseAddr + 0x1a;
216 XGI_Pr->P3c6 = BaseAddr + 0x16;
217 XGI_Pr->P3c7 = BaseAddr + 0x17;
218 XGI_Pr->P3c8 = BaseAddr + 0x18;
219 XGI_Pr->P3c9 = BaseAddr + 0x19;
220 XGI_Pr->P3da = BaseAddr + 0x2A;
221 XGI_Pr->Part0Port = BaseAddr + XGI_CRT2_PORT_00;
222 /* Digital video interface registers (LCD) */
223 XGI_Pr->Part1Port = BaseAddr + SIS_CRT2_PORT_04;
224 /* 301 TV Encoder registers */
225 XGI_Pr->Part2Port = BaseAddr + SIS_CRT2_PORT_10;
226 /* 301 Macrovision registers */
227 XGI_Pr->Part3Port = BaseAddr + SIS_CRT2_PORT_12;
228 /* 301 VGA2 (and LCD) registers */
229 XGI_Pr->Part4Port = BaseAddr + SIS_CRT2_PORT_14;
230 /* 301 palette address port registers */
231 XGI_Pr->Part5Port = BaseAddr + SIS_CRT2_PORT_14 + 2;
232
233 }
234
235 /* ------------------ Internal helper routines ----------------- */
236
XGIfb_GetXG21DefaultLVDSModeIdx(struct xgifb_video_info * xgifb_info)237 static int XGIfb_GetXG21DefaultLVDSModeIdx(struct xgifb_video_info *xgifb_info)
238 {
239 int i = 0;
240
241 while ((XGIbios_mode[i].mode_no != 0)
242 && (XGIbios_mode[i].xres <= xgifb_info->lvds_data.LVDSHDE)) {
243 if ((XGIbios_mode[i].xres == xgifb_info->lvds_data.LVDSHDE)
244 && (XGIbios_mode[i].yres == xgifb_info->lvds_data.LVDSVDE)
245 && (XGIbios_mode[i].bpp == 8)) {
246 return i;
247 }
248 i++;
249 }
250
251 return -1;
252 }
253
XGIfb_search_mode(struct xgifb_video_info * xgifb_info,const char * name)254 static void XGIfb_search_mode(struct xgifb_video_info *xgifb_info,
255 const char *name)
256 {
257 unsigned int xres;
258 unsigned int yres;
259 unsigned int bpp;
260 int i;
261
262 if (sscanf(name, "%ux%ux%u", &xres, &yres, &bpp) != 3)
263 goto invalid_mode;
264
265 if (bpp == 24)
266 bpp = 32; /* That's for people who mix up color and fb depth. */
267
268 for (i = 0; XGIbios_mode[i].mode_no != 0; i++)
269 if (XGIbios_mode[i].xres == xres &&
270 XGIbios_mode[i].yres == yres &&
271 XGIbios_mode[i].bpp == bpp) {
272 xgifb_info->mode_idx = i;
273 return;
274 }
275 invalid_mode:
276 pr_info("Invalid mode '%s'\n", name);
277 }
278
XGIfb_search_vesamode(struct xgifb_video_info * xgifb_info,unsigned int vesamode)279 static void XGIfb_search_vesamode(struct xgifb_video_info *xgifb_info,
280 unsigned int vesamode)
281 {
282 int i = 0;
283
284 if (vesamode == 0)
285 goto invalid;
286
287 vesamode &= 0x1dff; /* Clean VESA mode number from other flags */
288
289 while (XGIbios_mode[i].mode_no != 0) {
290 if ((XGIbios_mode[i].vesa_mode_no_1 == vesamode) ||
291 (XGIbios_mode[i].vesa_mode_no_2 == vesamode)) {
292 xgifb_info->mode_idx = i;
293 return;
294 }
295 i++;
296 }
297
298 invalid:
299 pr_info("Invalid VESA mode 0x%x'\n", vesamode);
300 }
301
XGIfb_validate_mode(struct xgifb_video_info * xgifb_info,int myindex)302 static int XGIfb_validate_mode(struct xgifb_video_info *xgifb_info, int myindex)
303 {
304 u16 xres, yres;
305 struct xgi_hw_device_info *hw_info = &xgifb_info->hw_info;
306 unsigned long required_mem;
307
308 if (xgifb_info->chip == XG21) {
309 if (xgifb_info->display2 == XGIFB_DISP_LCD) {
310 xres = xgifb_info->lvds_data.LVDSHDE;
311 yres = xgifb_info->lvds_data.LVDSVDE;
312 if (XGIbios_mode[myindex].xres > xres)
313 return -1;
314 if (XGIbios_mode[myindex].yres > yres)
315 return -1;
316 if ((XGIbios_mode[myindex].xres < xres) &&
317 (XGIbios_mode[myindex].yres < yres)) {
318 if (XGIbios_mode[myindex].bpp > 8)
319 return -1;
320 }
321
322 }
323 goto check_memory;
324
325 }
326
327 /* FIXME: for now, all is valid on XG27 */
328 if (xgifb_info->chip == XG27)
329 goto check_memory;
330
331 if (!(XGIbios_mode[myindex].chipset & MD_XGI315))
332 return -1;
333
334 switch (xgifb_info->display2) {
335 case XGIFB_DISP_LCD:
336 switch (hw_info->ulCRT2LCDType) {
337 case LCD_640x480:
338 xres = 640;
339 yres = 480;
340 break;
341 case LCD_800x600:
342 xres = 800;
343 yres = 600;
344 break;
345 case LCD_1024x600:
346 xres = 1024;
347 yres = 600;
348 break;
349 case LCD_1024x768:
350 xres = 1024;
351 yres = 768;
352 break;
353 case LCD_1152x768:
354 xres = 1152;
355 yres = 768;
356 break;
357 case LCD_1280x960:
358 xres = 1280;
359 yres = 960;
360 break;
361 case LCD_1280x768:
362 xres = 1280;
363 yres = 768;
364 break;
365 case LCD_1280x1024:
366 xres = 1280;
367 yres = 1024;
368 break;
369 case LCD_1400x1050:
370 xres = 1400;
371 yres = 1050;
372 break;
373 case LCD_1600x1200:
374 xres = 1600;
375 yres = 1200;
376 break;
377 default:
378 xres = 0;
379 yres = 0;
380 break;
381 }
382 if (XGIbios_mode[myindex].xres > xres)
383 return -1;
384 if (XGIbios_mode[myindex].yres > yres)
385 return -1;
386 if ((hw_info->ulExternalChip == 0x01) || /* LVDS */
387 (hw_info->ulExternalChip == 0x05)) { /* LVDS+Chrontel */
388 switch (XGIbios_mode[myindex].xres) {
389 case 512:
390 if (XGIbios_mode[myindex].yres != 512)
391 return -1;
392 if (hw_info->ulCRT2LCDType == LCD_1024x600)
393 return -1;
394 break;
395 case 640:
396 if ((XGIbios_mode[myindex].yres != 400)
397 && (XGIbios_mode[myindex].yres
398 != 480))
399 return -1;
400 break;
401 case 800:
402 if (XGIbios_mode[myindex].yres != 600)
403 return -1;
404 break;
405 case 1024:
406 if ((XGIbios_mode[myindex].yres != 600) &&
407 (XGIbios_mode[myindex].yres != 768))
408 return -1;
409 if ((XGIbios_mode[myindex].yres == 600) &&
410 (hw_info->ulCRT2LCDType != LCD_1024x600))
411 return -1;
412 break;
413 case 1152:
414 if ((XGIbios_mode[myindex].yres) != 768)
415 return -1;
416 if (hw_info->ulCRT2LCDType != LCD_1152x768)
417 return -1;
418 break;
419 case 1280:
420 if ((XGIbios_mode[myindex].yres != 768) &&
421 (XGIbios_mode[myindex].yres != 1024))
422 return -1;
423 if ((XGIbios_mode[myindex].yres == 768) &&
424 (hw_info->ulCRT2LCDType != LCD_1280x768))
425 return -1;
426 break;
427 case 1400:
428 if (XGIbios_mode[myindex].yres != 1050)
429 return -1;
430 break;
431 case 1600:
432 if (XGIbios_mode[myindex].yres != 1200)
433 return -1;
434 break;
435 default:
436 return -1;
437 }
438 } else {
439 switch (XGIbios_mode[myindex].xres) {
440 case 512:
441 if (XGIbios_mode[myindex].yres != 512)
442 return -1;
443 break;
444 case 640:
445 if ((XGIbios_mode[myindex].yres != 400) &&
446 (XGIbios_mode[myindex].yres != 480))
447 return -1;
448 break;
449 case 800:
450 if (XGIbios_mode[myindex].yres != 600)
451 return -1;
452 break;
453 case 1024:
454 if (XGIbios_mode[myindex].yres != 768)
455 return -1;
456 break;
457 case 1280:
458 if ((XGIbios_mode[myindex].yres != 960) &&
459 (XGIbios_mode[myindex].yres != 1024))
460 return -1;
461 if (XGIbios_mode[myindex].yres == 960) {
462 if (hw_info->ulCRT2LCDType ==
463 LCD_1400x1050)
464 return -1;
465 }
466 break;
467 case 1400:
468 if (XGIbios_mode[myindex].yres != 1050)
469 return -1;
470 break;
471 case 1600:
472 if (XGIbios_mode[myindex].yres != 1200)
473 return -1;
474 break;
475 default:
476 return -1;
477 }
478 }
479 break;
480 case XGIFB_DISP_TV:
481 switch (XGIbios_mode[myindex].xres) {
482 case 512:
483 case 640:
484 case 800:
485 break;
486 case 720:
487 if (xgifb_info->TV_type == TVMODE_NTSC) {
488 if (XGIbios_mode[myindex].yres != 480)
489 return -1;
490 } else if (xgifb_info->TV_type == TVMODE_PAL) {
491 if (XGIbios_mode[myindex].yres != 576)
492 return -1;
493 }
494 /* LVDS/CHRONTEL does not support 720 */
495 if (xgifb_info->hasVB == HASVB_LVDS_CHRONTEL ||
496 xgifb_info->hasVB == HASVB_CHRONTEL) {
497 return -1;
498 }
499 break;
500 case 1024:
501 if (xgifb_info->TV_type == TVMODE_NTSC) {
502 if (XGIbios_mode[myindex].bpp == 32)
503 return -1;
504 }
505 break;
506 default:
507 return -1;
508 }
509 break;
510 case XGIFB_DISP_CRT:
511 if (XGIbios_mode[myindex].xres > 1280)
512 return -1;
513 break;
514 case XGIFB_DISP_NONE:
515 break;
516 }
517
518 check_memory:
519 required_mem = XGIbios_mode[myindex].xres * XGIbios_mode[myindex].yres *
520 XGIbios_mode[myindex].bpp / 8;
521 if (required_mem > xgifb_info->video_size)
522 return -1;
523 return myindex;
524
525 }
526
XGIfb_search_crt2type(const char * name)527 static void XGIfb_search_crt2type(const char *name)
528 {
529 int i = 0;
530
531 if (name == NULL)
532 return;
533
534 while (XGI_crt2type[i].type_no != -1) {
535 if (!strcmp(name, XGI_crt2type[i].name)) {
536 XGIfb_crt2type = XGI_crt2type[i].type_no;
537 XGIfb_tvplug = XGI_crt2type[i].tvplug_no;
538 break;
539 }
540 i++;
541 }
542 if (XGIfb_crt2type < 0)
543 pr_info("Invalid CRT2 type: %s\n", name);
544 }
545
XGIfb_search_refresh_rate(struct xgifb_video_info * xgifb_info,unsigned int rate)546 static u8 XGIfb_search_refresh_rate(struct xgifb_video_info *xgifb_info,
547 unsigned int rate)
548 {
549 u16 xres, yres;
550 int i = 0;
551
552 xres = XGIbios_mode[xgifb_info->mode_idx].xres;
553 yres = XGIbios_mode[xgifb_info->mode_idx].yres;
554
555 xgifb_info->rate_idx = 0;
556 while ((XGIfb_vrate[i].idx != 0) && (XGIfb_vrate[i].xres <= xres)) {
557 if ((XGIfb_vrate[i].xres == xres) &&
558 (XGIfb_vrate[i].yres == yres)) {
559 if (XGIfb_vrate[i].refresh == rate) {
560 xgifb_info->rate_idx = XGIfb_vrate[i].idx;
561 break;
562 } else if (XGIfb_vrate[i].refresh > rate) {
563 if ((XGIfb_vrate[i].refresh - rate) <= 3) {
564 pr_debug("Adjusting rate from %d up to %d\n",
565 rate, XGIfb_vrate[i].refresh);
566 xgifb_info->rate_idx =
567 XGIfb_vrate[i].idx;
568 xgifb_info->refresh_rate =
569 XGIfb_vrate[i].refresh;
570 } else if (((rate - XGIfb_vrate[i - 1].refresh)
571 <= 2) && (XGIfb_vrate[i].idx
572 != 1)) {
573 pr_debug("Adjusting rate from %d down to %d\n",
574 rate,
575 XGIfb_vrate[i-1].refresh);
576 xgifb_info->rate_idx =
577 XGIfb_vrate[i - 1].idx;
578 xgifb_info->refresh_rate =
579 XGIfb_vrate[i - 1].refresh;
580 }
581 break;
582 } else if ((rate - XGIfb_vrate[i].refresh) <= 2) {
583 pr_debug("Adjusting rate from %d down to %d\n",
584 rate, XGIfb_vrate[i].refresh);
585 xgifb_info->rate_idx = XGIfb_vrate[i].idx;
586 break;
587 }
588 }
589 i++;
590 }
591 if (xgifb_info->rate_idx > 0)
592 return xgifb_info->rate_idx;
593 pr_info("Unsupported rate %d for %dx%d\n",
594 rate, xres, yres);
595 return 0;
596 }
597
XGIfb_search_tvstd(const char * name)598 static void XGIfb_search_tvstd(const char *name)
599 {
600 int i = 0;
601
602 if (name == NULL)
603 return;
604
605 while (XGI_tvtype[i].type_no != -1) {
606 if (!strcmp(name, XGI_tvtype[i].name)) {
607 XGIfb_tvmode = XGI_tvtype[i].type_no;
608 break;
609 }
610 i++;
611 }
612 }
613
614 /* ----------- FBDev related routines for all series ----------- */
615
XGIfb_bpp_to_var(struct xgifb_video_info * xgifb_info,struct fb_var_screeninfo * var)616 static void XGIfb_bpp_to_var(struct xgifb_video_info *xgifb_info,
617 struct fb_var_screeninfo *var)
618 {
619 switch (var->bits_per_pixel) {
620 case 8:
621 var->red.offset = var->green.offset = var->blue.offset = 0;
622 var->red.length = var->green.length = var->blue.length = 6;
623 xgifb_info->video_cmap_len = 256;
624 break;
625 case 16:
626 var->red.offset = 11;
627 var->red.length = 5;
628 var->green.offset = 5;
629 var->green.length = 6;
630 var->blue.offset = 0;
631 var->blue.length = 5;
632 var->transp.offset = 0;
633 var->transp.length = 0;
634 xgifb_info->video_cmap_len = 16;
635 break;
636 case 32:
637 var->red.offset = 16;
638 var->red.length = 8;
639 var->green.offset = 8;
640 var->green.length = 8;
641 var->blue.offset = 0;
642 var->blue.length = 8;
643 var->transp.offset = 24;
644 var->transp.length = 8;
645 xgifb_info->video_cmap_len = 16;
646 break;
647 }
648 }
649
650 /* --------------------- SetMode routines ------------------------- */
651
XGIfb_pre_setmode(struct xgifb_video_info * xgifb_info)652 static void XGIfb_pre_setmode(struct xgifb_video_info *xgifb_info)
653 {
654 u8 cr30 = 0, cr31 = 0;
655
656 cr31 = xgifb_reg_get(XGICR, 0x31);
657 cr31 &= ~0x60;
658
659 switch (xgifb_info->display2) {
660 case XGIFB_DISP_CRT:
661 cr30 = (SIS_VB_OUTPUT_CRT2 | SIS_SIMULTANEOUS_VIEW_ENABLE);
662 cr31 |= SIS_DRIVER_MODE;
663 break;
664 case XGIFB_DISP_LCD:
665 cr30 = (SIS_VB_OUTPUT_LCD | SIS_SIMULTANEOUS_VIEW_ENABLE);
666 cr31 |= SIS_DRIVER_MODE;
667 break;
668 case XGIFB_DISP_TV:
669 if (xgifb_info->TV_type == TVMODE_HIVISION)
670 cr30 = (SIS_VB_OUTPUT_HIVISION
671 | SIS_SIMULTANEOUS_VIEW_ENABLE);
672 else if (xgifb_info->TV_plug == TVPLUG_SVIDEO)
673 cr30 = (SIS_VB_OUTPUT_SVIDEO
674 | SIS_SIMULTANEOUS_VIEW_ENABLE);
675 else if (xgifb_info->TV_plug == TVPLUG_COMPOSITE)
676 cr30 = (SIS_VB_OUTPUT_COMPOSITE
677 | SIS_SIMULTANEOUS_VIEW_ENABLE);
678 else if (xgifb_info->TV_plug == TVPLUG_SCART)
679 cr30 = (SIS_VB_OUTPUT_SCART
680 | SIS_SIMULTANEOUS_VIEW_ENABLE);
681 cr31 |= SIS_DRIVER_MODE;
682
683 if (XGIfb_tvmode == 1 || xgifb_info->TV_type == TVMODE_PAL)
684 cr31 |= 0x01;
685 else
686 cr31 &= ~0x01;
687 break;
688 default: /* disable CRT2 */
689 cr30 = 0x00;
690 cr31 |= (SIS_DRIVER_MODE | SIS_VB_OUTPUT_DISABLE);
691 }
692
693 xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR30, cr30);
694 xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR31, cr31);
695 xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR33,
696 (xgifb_info->rate_idx & 0x0F));
697 }
698
XGIfb_post_setmode(struct xgifb_video_info * xgifb_info)699 static void XGIfb_post_setmode(struct xgifb_video_info *xgifb_info)
700 {
701 u8 reg;
702 unsigned char doit = 1;
703
704 if (xgifb_info->video_bpp == 8) {
705 /*
706 * We can't switch off CRT1 on LVDS/Chrontel
707 * in 8bpp Modes
708 */
709 if ((xgifb_info->hasVB == HASVB_LVDS) ||
710 (xgifb_info->hasVB == HASVB_LVDS_CHRONTEL)) {
711 doit = 0;
712 }
713 /*
714 * We can't switch off CRT1 on 301B-DH
715 * in 8bpp Modes if using LCD
716 */
717 if (xgifb_info->display2 == XGIFB_DISP_LCD)
718 doit = 0;
719 }
720
721 /* We can't switch off CRT1 if bridge is in slave mode */
722 if (xgifb_info->hasVB != HASVB_NONE) {
723 reg = xgifb_reg_get(XGIPART1, 0x00);
724
725 if ((reg & 0x50) == 0x10)
726 doit = 0;
727
728 } else {
729 XGIfb_crt1off = 0;
730 }
731
732 reg = xgifb_reg_get(XGICR, 0x17);
733 if ((XGIfb_crt1off) && (doit))
734 reg &= ~0x80;
735 else
736 reg |= 0x80;
737 xgifb_reg_set(XGICR, 0x17, reg);
738
739 xgifb_reg_and(XGISR, IND_SIS_RAMDAC_CONTROL, ~0x04);
740
741 if (xgifb_info->display2 == XGIFB_DISP_TV &&
742 xgifb_info->hasVB == HASVB_301) {
743
744 reg = xgifb_reg_get(XGIPART4, 0x01);
745
746 if (reg < 0xB0) { /* Set filter for XGI301 */
747 int filter_tb;
748
749 switch (xgifb_info->video_width) {
750 case 320:
751 filter_tb = (xgifb_info->TV_type ==
752 TVMODE_NTSC) ? 4 : 12;
753 break;
754 case 640:
755 filter_tb = (xgifb_info->TV_type ==
756 TVMODE_NTSC) ? 5 : 13;
757 break;
758 case 720:
759 filter_tb = (xgifb_info->TV_type ==
760 TVMODE_NTSC) ? 6 : 14;
761 break;
762 case 800:
763 filter_tb = (xgifb_info->TV_type ==
764 TVMODE_NTSC) ? 7 : 15;
765 break;
766 default:
767 filter_tb = 0;
768 filter = -1;
769 break;
770 }
771 xgifb_reg_or(XGIPART1,
772 SIS_CRT2_WENABLE_315,
773 0x01);
774
775 if (xgifb_info->TV_type == TVMODE_NTSC) {
776
777 xgifb_reg_and(XGIPART2, 0x3a, 0x1f);
778
779 if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
780
781 xgifb_reg_and(XGIPART2, 0x30, 0xdf);
782
783 } else if (xgifb_info->TV_plug
784 == TVPLUG_COMPOSITE) {
785
786 xgifb_reg_or(XGIPART2, 0x30, 0x20);
787
788 switch (xgifb_info->video_width) {
789 case 640:
790 xgifb_reg_set(XGIPART2,
791 0x35,
792 0xEB);
793 xgifb_reg_set(XGIPART2,
794 0x36,
795 0x04);
796 xgifb_reg_set(XGIPART2,
797 0x37,
798 0x25);
799 xgifb_reg_set(XGIPART2,
800 0x38,
801 0x18);
802 break;
803 case 720:
804 xgifb_reg_set(XGIPART2,
805 0x35,
806 0xEE);
807 xgifb_reg_set(XGIPART2,
808 0x36,
809 0x0C);
810 xgifb_reg_set(XGIPART2,
811 0x37,
812 0x22);
813 xgifb_reg_set(XGIPART2,
814 0x38,
815 0x08);
816 break;
817 case 800:
818 xgifb_reg_set(XGIPART2,
819 0x35,
820 0xEB);
821 xgifb_reg_set(XGIPART2,
822 0x36,
823 0x15);
824 xgifb_reg_set(XGIPART2,
825 0x37,
826 0x25);
827 xgifb_reg_set(XGIPART2,
828 0x38,
829 0xF6);
830 break;
831 }
832 }
833
834 } else if (xgifb_info->TV_type == TVMODE_PAL) {
835
836 xgifb_reg_and(XGIPART2, 0x3A, 0x1F);
837
838 if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
839
840 xgifb_reg_and(XGIPART2, 0x30, 0xDF);
841
842 } else if (xgifb_info->TV_plug
843 == TVPLUG_COMPOSITE) {
844
845 xgifb_reg_or(XGIPART2, 0x30, 0x20);
846
847 switch (xgifb_info->video_width) {
848 case 640:
849 xgifb_reg_set(XGIPART2,
850 0x35,
851 0xF1);
852 xgifb_reg_set(XGIPART2,
853 0x36,
854 0xF7);
855 xgifb_reg_set(XGIPART2,
856 0x37,
857 0x1F);
858 xgifb_reg_set(XGIPART2,
859 0x38,
860 0x32);
861 break;
862 case 720:
863 xgifb_reg_set(XGIPART2,
864 0x35,
865 0xF3);
866 xgifb_reg_set(XGIPART2,
867 0x36,
868 0x00);
869 xgifb_reg_set(XGIPART2,
870 0x37,
871 0x1D);
872 xgifb_reg_set(XGIPART2,
873 0x38,
874 0x20);
875 break;
876 case 800:
877 xgifb_reg_set(XGIPART2,
878 0x35,
879 0xFC);
880 xgifb_reg_set(XGIPART2,
881 0x36,
882 0xFB);
883 xgifb_reg_set(XGIPART2,
884 0x37,
885 0x14);
886 xgifb_reg_set(XGIPART2,
887 0x38,
888 0x2A);
889 break;
890 }
891 }
892 }
893
894 if ((filter >= 0) && (filter <= 7)) {
895 pr_debug("FilterTable[%d]-%d: %*ph\n",
896 filter_tb, filter,
897 4, XGI_TV_filter[filter_tb].
898 filter[filter]);
899 xgifb_reg_set(
900 XGIPART2,
901 0x35,
902 (XGI_TV_filter[filter_tb].
903 filter[filter][0]));
904 xgifb_reg_set(
905 XGIPART2,
906 0x36,
907 (XGI_TV_filter[filter_tb].
908 filter[filter][1]));
909 xgifb_reg_set(
910 XGIPART2,
911 0x37,
912 (XGI_TV_filter[filter_tb].
913 filter[filter][2]));
914 xgifb_reg_set(
915 XGIPART2,
916 0x38,
917 (XGI_TV_filter[filter_tb].
918 filter[filter][3]));
919 }
920 }
921 }
922 }
923
XGIfb_do_set_var(struct fb_var_screeninfo * var,int isactive,struct fb_info * info)924 static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive,
925 struct fb_info *info)
926 {
927 struct xgifb_video_info *xgifb_info = info->par;
928 struct xgi_hw_device_info *hw_info = &xgifb_info->hw_info;
929 unsigned int htotal = var->left_margin + var->xres + var->right_margin
930 + var->hsync_len;
931 unsigned int vtotal = var->upper_margin + var->yres + var->lower_margin
932 + var->vsync_len;
933 #if defined(__BIG_ENDIAN)
934 u8 cr_data;
935 #endif
936 unsigned int drate = 0, hrate = 0;
937 int found_mode = 0;
938 int old_mode;
939
940 info->var.xres_virtual = var->xres_virtual;
941 info->var.yres_virtual = var->yres_virtual;
942 info->var.bits_per_pixel = var->bits_per_pixel;
943
944 if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED)
945 vtotal <<= 1;
946 else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE)
947 vtotal <<= 2;
948
949 if (!htotal || !vtotal) {
950 pr_debug("Invalid 'var' information\n");
951 return -EINVAL;
952 } pr_debug("var->pixclock=%d, htotal=%d, vtotal=%d\n",
953 var->pixclock, htotal, vtotal);
954
955 if (var->pixclock) {
956 drate = 1000000000 / var->pixclock;
957 hrate = (drate * 1000) / htotal;
958 xgifb_info->refresh_rate = (unsigned int) (hrate * 2
959 / vtotal);
960 } else {
961 xgifb_info->refresh_rate = 60;
962 }
963
964 pr_debug("Change mode to %dx%dx%d-%dHz\n",
965 var->xres,
966 var->yres,
967 var->bits_per_pixel,
968 xgifb_info->refresh_rate);
969
970 old_mode = xgifb_info->mode_idx;
971 xgifb_info->mode_idx = 0;
972
973 while ((XGIbios_mode[xgifb_info->mode_idx].mode_no != 0) &&
974 (XGIbios_mode[xgifb_info->mode_idx].xres <= var->xres)) {
975 if ((XGIbios_mode[xgifb_info->mode_idx].xres == var->xres) &&
976 (XGIbios_mode[xgifb_info->mode_idx].yres == var->yres) &&
977 (XGIbios_mode[xgifb_info->mode_idx].bpp
978 == var->bits_per_pixel)) {
979 found_mode = 1;
980 break;
981 }
982 xgifb_info->mode_idx++;
983 }
984
985 if (found_mode)
986 xgifb_info->mode_idx = XGIfb_validate_mode(xgifb_info,
987 xgifb_info->mode_idx);
988 else
989 xgifb_info->mode_idx = -1;
990
991 if (xgifb_info->mode_idx < 0) {
992 pr_err("Mode %dx%dx%d not supported\n",
993 var->xres, var->yres, var->bits_per_pixel);
994 xgifb_info->mode_idx = old_mode;
995 return -EINVAL;
996 }
997
998 if (XGIfb_search_refresh_rate(xgifb_info,
999 xgifb_info->refresh_rate) == 0) {
1000 xgifb_info->rate_idx = 1;
1001 xgifb_info->refresh_rate = 60;
1002 }
1003
1004 if (isactive) {
1005
1006 XGIfb_pre_setmode(xgifb_info);
1007 if (XGISetModeNew(xgifb_info, hw_info,
1008 XGIbios_mode[xgifb_info->mode_idx].mode_no)
1009 == 0) {
1010 pr_err("Setting mode[0x%x] failed\n",
1011 XGIbios_mode[xgifb_info->mode_idx].mode_no);
1012 return -EINVAL;
1013 }
1014 info->fix.line_length = (info->var.xres_virtual
1015 * info->var.bits_per_pixel) >> 6;
1016
1017 xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD);
1018
1019 xgifb_reg_set(XGICR, 0x13, (info->fix.line_length & 0x00ff));
1020 xgifb_reg_set(XGISR,
1021 0x0E,
1022 (info->fix.line_length & 0xff00) >> 8);
1023
1024 XGIfb_post_setmode(xgifb_info);
1025
1026 pr_debug("Set new mode: %dx%dx%d-%d\n",
1027 XGIbios_mode[xgifb_info->mode_idx].xres,
1028 XGIbios_mode[xgifb_info->mode_idx].yres,
1029 XGIbios_mode[xgifb_info->mode_idx].bpp,
1030 xgifb_info->refresh_rate);
1031
1032 xgifb_info->video_bpp = XGIbios_mode[xgifb_info->mode_idx].bpp;
1033 xgifb_info->video_vwidth = info->var.xres_virtual;
1034 xgifb_info->video_width =
1035 XGIbios_mode[xgifb_info->mode_idx].xres;
1036 xgifb_info->video_vheight = info->var.yres_virtual;
1037 xgifb_info->video_height =
1038 XGIbios_mode[xgifb_info->mode_idx].yres;
1039 xgifb_info->org_x = xgifb_info->org_y = 0;
1040 xgifb_info->video_linelength = info->var.xres_virtual
1041 * (xgifb_info->video_bpp >> 3);
1042 switch (xgifb_info->video_bpp) {
1043 case 8:
1044 xgifb_info->DstColor = 0x0000;
1045 xgifb_info->XGI310_AccelDepth = 0x00000000;
1046 xgifb_info->video_cmap_len = 256;
1047 #if defined(__BIG_ENDIAN)
1048 cr_data = xgifb_reg_get(XGICR, 0x4D);
1049 xgifb_reg_set(XGICR, 0x4D, (cr_data & 0xE0));
1050 #endif
1051 break;
1052 case 16:
1053 xgifb_info->DstColor = 0x8000;
1054 xgifb_info->XGI310_AccelDepth = 0x00010000;
1055 #if defined(__BIG_ENDIAN)
1056 cr_data = xgifb_reg_get(XGICR, 0x4D);
1057 xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x0B));
1058 #endif
1059 xgifb_info->video_cmap_len = 16;
1060 break;
1061 case 32:
1062 xgifb_info->DstColor = 0xC000;
1063 xgifb_info->XGI310_AccelDepth = 0x00020000;
1064 xgifb_info->video_cmap_len = 16;
1065 #if defined(__BIG_ENDIAN)
1066 cr_data = xgifb_reg_get(XGICR, 0x4D);
1067 xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x15));
1068 #endif
1069 break;
1070 default:
1071 xgifb_info->video_cmap_len = 16;
1072 pr_err("Unsupported depth %d\n",
1073 xgifb_info->video_bpp);
1074 break;
1075 }
1076 }
1077 XGIfb_bpp_to_var(xgifb_info, var); /*update ARGB info*/
1078
1079 dumpVGAReg();
1080 return 0;
1081 }
1082
XGIfb_pan_var(struct fb_var_screeninfo * var,struct fb_info * info)1083 static int XGIfb_pan_var(struct fb_var_screeninfo *var, struct fb_info *info)
1084 {
1085 struct xgifb_video_info *xgifb_info = info->par;
1086 unsigned int base;
1087
1088 base = var->yoffset * info->var.xres_virtual + var->xoffset;
1089
1090 /* calculate base bpp dep. */
1091 switch (info->var.bits_per_pixel) {
1092 case 16:
1093 base >>= 1;
1094 break;
1095 case 32:
1096 break;
1097 case 8:
1098 default:
1099 base >>= 2;
1100 break;
1101 }
1102
1103 xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD);
1104
1105 xgifb_reg_set(XGICR, 0x0D, base & 0xFF);
1106 xgifb_reg_set(XGICR, 0x0C, (base >> 8) & 0xFF);
1107 xgifb_reg_set(XGISR, 0x0D, (base >> 16) & 0xFF);
1108 xgifb_reg_set(XGISR, 0x37, (base >> 24) & 0x03);
1109 xgifb_reg_and_or(XGISR, 0x37, 0xDF, (base >> 21) & 0x04);
1110
1111 if (xgifb_info->display2 != XGIFB_DISP_NONE) {
1112 xgifb_reg_or(XGIPART1, SIS_CRT2_WENABLE_315, 0x01);
1113 xgifb_reg_set(XGIPART1, 0x06, (base & 0xFF));
1114 xgifb_reg_set(XGIPART1, 0x05, ((base >> 8) & 0xFF));
1115 xgifb_reg_set(XGIPART1, 0x04, ((base >> 16) & 0xFF));
1116 xgifb_reg_and_or(XGIPART1,
1117 0x02,
1118 0x7F,
1119 ((base >> 24) & 0x01) << 7);
1120 }
1121 return 0;
1122 }
1123
XGIfb_open(struct fb_info * info,int user)1124 static int XGIfb_open(struct fb_info *info, int user)
1125 {
1126 return 0;
1127 }
1128
XGIfb_release(struct fb_info * info,int user)1129 static int XGIfb_release(struct fb_info *info, int user)
1130 {
1131 return 0;
1132 }
1133
1134 /* similar to sisfb_get_cmap_len */
XGIfb_get_cmap_len(const struct fb_var_screeninfo * var)1135 static int XGIfb_get_cmap_len(const struct fb_var_screeninfo *var)
1136 {
1137 return (var->bits_per_pixel == 8) ? 256 : 16;
1138 }
1139
XGIfb_setcolreg(unsigned regno,unsigned red,unsigned green,unsigned blue,unsigned transp,struct fb_info * info)1140 static int XGIfb_setcolreg(unsigned regno, unsigned red, unsigned green,
1141 unsigned blue, unsigned transp, struct fb_info *info)
1142 {
1143 struct xgifb_video_info *xgifb_info = info->par;
1144
1145 if (regno >= XGIfb_get_cmap_len(&info->var))
1146 return 1;
1147
1148 switch (info->var.bits_per_pixel) {
1149 case 8:
1150 outb(regno, XGIDACA);
1151 outb((red >> 10), XGIDACD);
1152 outb((green >> 10), XGIDACD);
1153 outb((blue >> 10), XGIDACD);
1154 if (xgifb_info->display2 != XGIFB_DISP_NONE) {
1155 outb(regno, XGIDAC2A);
1156 outb((red >> 8), XGIDAC2D);
1157 outb((green >> 8), XGIDAC2D);
1158 outb((blue >> 8), XGIDAC2D);
1159 }
1160 break;
1161 case 16:
1162 ((u32 *) (info->pseudo_palette))[regno] = ((red & 0xf800))
1163 | ((green & 0xfc00) >> 5) | ((blue & 0xf800)
1164 >> 11);
1165 break;
1166 case 32:
1167 red >>= 8;
1168 green >>= 8;
1169 blue >>= 8;
1170 ((u32 *) (info->pseudo_palette))[regno] = (red << 16) | (green
1171 << 8) | (blue);
1172 break;
1173 }
1174 return 0;
1175 }
1176
1177 /* ----------- FBDev related routines for all series ---------- */
1178
XGIfb_get_fix(struct fb_fix_screeninfo * fix,int con,struct fb_info * info)1179 static int XGIfb_get_fix(struct fb_fix_screeninfo *fix, int con,
1180 struct fb_info *info)
1181 {
1182 struct xgifb_video_info *xgifb_info = info->par;
1183
1184 memset(fix, 0, sizeof(struct fb_fix_screeninfo));
1185
1186 strncpy(fix->id, "XGI", sizeof(fix->id) - 1);
1187
1188 /* if register_framebuffer has been called, we must lock */
1189 if (atomic_read(&info->count))
1190 mutex_lock(&info->mm_lock);
1191
1192 fix->smem_start = xgifb_info->video_base;
1193 fix->smem_len = xgifb_info->video_size;
1194
1195 /* if register_framebuffer has been called, we can unlock */
1196 if (atomic_read(&info->count))
1197 mutex_unlock(&info->mm_lock);
1198
1199 fix->type = FB_TYPE_PACKED_PIXELS;
1200 fix->type_aux = 0;
1201 if (xgifb_info->video_bpp == 8)
1202 fix->visual = FB_VISUAL_PSEUDOCOLOR;
1203 else
1204 fix->visual = FB_VISUAL_DIRECTCOLOR;
1205 fix->xpanstep = 0;
1206 if (XGIfb_ypan)
1207 fix->ypanstep = 1;
1208 fix->ywrapstep = 0;
1209 fix->line_length = xgifb_info->video_linelength;
1210 fix->mmio_start = xgifb_info->mmio_base;
1211 fix->mmio_len = xgifb_info->mmio_size;
1212 fix->accel = FB_ACCEL_SIS_XABRE;
1213
1214 return 0;
1215 }
1216
XGIfb_set_par(struct fb_info * info)1217 static int XGIfb_set_par(struct fb_info *info)
1218 {
1219 int err;
1220
1221 err = XGIfb_do_set_var(&info->var, 1, info);
1222 if (err)
1223 return err;
1224 XGIfb_get_fix(&info->fix, -1, info);
1225 return 0;
1226 }
1227
XGIfb_check_var(struct fb_var_screeninfo * var,struct fb_info * info)1228 static int XGIfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
1229 {
1230 struct xgifb_video_info *xgifb_info = info->par;
1231 unsigned int htotal = var->left_margin + var->xres + var->right_margin
1232 + var->hsync_len;
1233 unsigned int vtotal = 0;
1234 unsigned int drate = 0, hrate = 0;
1235 int found_mode = 0;
1236 int refresh_rate, search_idx;
1237
1238 if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED) {
1239 vtotal = var->upper_margin + var->yres + var->lower_margin
1240 + var->vsync_len;
1241 vtotal <<= 1;
1242 } else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) {
1243 vtotal = var->upper_margin + var->yres + var->lower_margin
1244 + var->vsync_len;
1245 vtotal <<= 2;
1246 } else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
1247 vtotal = var->upper_margin + (var->yres / 2)
1248 + var->lower_margin + var->vsync_len;
1249 } else
1250 vtotal = var->upper_margin + var->yres + var->lower_margin
1251 + var->vsync_len;
1252
1253 if (!(htotal) || !(vtotal)) {
1254 pr_debug("No valid timing data\n");
1255 return -EINVAL;
1256 }
1257
1258 if (var->pixclock && htotal && vtotal) {
1259 drate = 1000000000 / var->pixclock;
1260 hrate = (drate * 1000) / htotal;
1261 xgifb_info->refresh_rate =
1262 (unsigned int) (hrate * 2 / vtotal);
1263 pr_debug(
1264 "%s: pixclock = %d ,htotal=%d, vtotal=%d\n"
1265 "%s: drate=%d, hrate=%d, refresh_rate=%d\n",
1266 __func__, var->pixclock, htotal, vtotal,
1267 __func__, drate, hrate, xgifb_info->refresh_rate);
1268 } else {
1269 xgifb_info->refresh_rate = 60;
1270 }
1271
1272 /* Calculation wrong for 1024x600 - force it to 60Hz */
1273 if ((var->xres == 1024) && (var->yres == 600))
1274 refresh_rate = 60;
1275
1276 search_idx = 0;
1277 while ((XGIbios_mode[search_idx].mode_no != 0) &&
1278 (XGIbios_mode[search_idx].xres <= var->xres)) {
1279 if ((XGIbios_mode[search_idx].xres == var->xres) &&
1280 (XGIbios_mode[search_idx].yres == var->yres) &&
1281 (XGIbios_mode[search_idx].bpp == var->bits_per_pixel)) {
1282 if (XGIfb_validate_mode(xgifb_info, search_idx) > 0) {
1283 found_mode = 1;
1284 break;
1285 }
1286 }
1287 search_idx++;
1288 }
1289
1290 if (!found_mode) {
1291
1292 pr_err("%dx%dx%d is no valid mode\n",
1293 var->xres, var->yres, var->bits_per_pixel);
1294 search_idx = 0;
1295 while (XGIbios_mode[search_idx].mode_no != 0) {
1296 if ((var->xres <= XGIbios_mode[search_idx].xres) &&
1297 (var->yres <= XGIbios_mode[search_idx].yres) &&
1298 (var->bits_per_pixel ==
1299 XGIbios_mode[search_idx].bpp)) {
1300 if (XGIfb_validate_mode(xgifb_info,
1301 search_idx) > 0) {
1302 found_mode = 1;
1303 break;
1304 }
1305 }
1306 search_idx++;
1307 }
1308 if (found_mode) {
1309 var->xres = XGIbios_mode[search_idx].xres;
1310 var->yres = XGIbios_mode[search_idx].yres;
1311 pr_debug("Adapted to mode %dx%dx%d\n",
1312 var->xres, var->yres, var->bits_per_pixel);
1313
1314 } else {
1315 pr_err("Failed to find similar mode to %dx%dx%d\n",
1316 var->xres, var->yres, var->bits_per_pixel);
1317 return -EINVAL;
1318 }
1319 }
1320
1321 /* Adapt RGB settings */
1322 XGIfb_bpp_to_var(xgifb_info, var);
1323
1324 if (!XGIfb_ypan) {
1325 if (var->xres != var->xres_virtual)
1326 var->xres_virtual = var->xres;
1327 if (var->yres != var->yres_virtual)
1328 var->yres_virtual = var->yres;
1329 }
1330
1331 /* Truncate offsets to maximum if too high */
1332 if (var->xoffset > var->xres_virtual - var->xres)
1333 var->xoffset = var->xres_virtual - var->xres - 1;
1334
1335 if (var->yoffset > var->yres_virtual - var->yres)
1336 var->yoffset = var->yres_virtual - var->yres - 1;
1337
1338 /* Set everything else to 0 */
1339 var->red.msb_right =
1340 var->green.msb_right =
1341 var->blue.msb_right =
1342 var->transp.offset = var->transp.length = var->transp.msb_right = 0;
1343
1344 return 0;
1345 }
1346
XGIfb_pan_display(struct fb_var_screeninfo * var,struct fb_info * info)1347 static int XGIfb_pan_display(struct fb_var_screeninfo *var,
1348 struct fb_info *info)
1349 {
1350 int err;
1351
1352 if (var->xoffset > (info->var.xres_virtual - info->var.xres))
1353 return -EINVAL;
1354 if (var->yoffset > (info->var.yres_virtual - info->var.yres))
1355 return -EINVAL;
1356
1357 if (var->vmode & FB_VMODE_YWRAP) {
1358 if (var->yoffset >= info->var.yres_virtual || var->xoffset)
1359 return -EINVAL;
1360 } else if (var->xoffset + info->var.xres > info->var.xres_virtual
1361 || var->yoffset + info->var.yres
1362 > info->var.yres_virtual) {
1363 return -EINVAL;
1364 }
1365 err = XGIfb_pan_var(var, info);
1366 if (err < 0)
1367 return err;
1368
1369 info->var.xoffset = var->xoffset;
1370 info->var.yoffset = var->yoffset;
1371 if (var->vmode & FB_VMODE_YWRAP)
1372 info->var.vmode |= FB_VMODE_YWRAP;
1373 else
1374 info->var.vmode &= ~FB_VMODE_YWRAP;
1375
1376 return 0;
1377 }
1378
XGIfb_blank(int blank,struct fb_info * info)1379 static int XGIfb_blank(int blank, struct fb_info *info)
1380 {
1381 struct xgifb_video_info *xgifb_info = info->par;
1382 u8 reg;
1383
1384 reg = xgifb_reg_get(XGICR, 0x17);
1385
1386 if (blank > 0)
1387 reg &= 0x7f;
1388 else
1389 reg |= 0x80;
1390
1391 xgifb_reg_set(XGICR, 0x17, reg);
1392 xgifb_reg_set(XGISR, 0x00, 0x01); /* Synchronous Reset */
1393 xgifb_reg_set(XGISR, 0x00, 0x03); /* End Reset */
1394 return 0;
1395 }
1396
1397 static struct fb_ops XGIfb_ops = {
1398 .owner = THIS_MODULE,
1399 .fb_open = XGIfb_open,
1400 .fb_release = XGIfb_release,
1401 .fb_check_var = XGIfb_check_var,
1402 .fb_set_par = XGIfb_set_par,
1403 .fb_setcolreg = XGIfb_setcolreg,
1404 .fb_pan_display = XGIfb_pan_display,
1405 .fb_blank = XGIfb_blank,
1406 .fb_fillrect = cfb_fillrect,
1407 .fb_copyarea = cfb_copyarea,
1408 .fb_imageblit = cfb_imageblit,
1409 };
1410
1411 /* ---------------- Chip generation dependent routines ---------------- */
1412
1413 /* for XGI 315/550/650/740/330 */
1414
XGIfb_get_dram_size(struct xgifb_video_info * xgifb_info)1415 static int XGIfb_get_dram_size(struct xgifb_video_info *xgifb_info)
1416 {
1417
1418 u8 ChannelNum, tmp;
1419 u8 reg = 0;
1420
1421 /* xorg driver sets 32MB * 1 channel */
1422 if (xgifb_info->chip == XG27)
1423 xgifb_reg_set(XGISR, IND_SIS_DRAM_SIZE, 0x51);
1424
1425 reg = xgifb_reg_get(XGISR, IND_SIS_DRAM_SIZE);
1426 if (!reg)
1427 return -1;
1428
1429 switch ((reg & XGI_DRAM_SIZE_MASK) >> 4) {
1430 case XGI_DRAM_SIZE_1MB:
1431 xgifb_info->video_size = 0x100000;
1432 break;
1433 case XGI_DRAM_SIZE_2MB:
1434 xgifb_info->video_size = 0x200000;
1435 break;
1436 case XGI_DRAM_SIZE_4MB:
1437 xgifb_info->video_size = 0x400000;
1438 break;
1439 case XGI_DRAM_SIZE_8MB:
1440 xgifb_info->video_size = 0x800000;
1441 break;
1442 case XGI_DRAM_SIZE_16MB:
1443 xgifb_info->video_size = 0x1000000;
1444 break;
1445 case XGI_DRAM_SIZE_32MB:
1446 xgifb_info->video_size = 0x2000000;
1447 break;
1448 case XGI_DRAM_SIZE_64MB:
1449 xgifb_info->video_size = 0x4000000;
1450 break;
1451 case XGI_DRAM_SIZE_128MB:
1452 xgifb_info->video_size = 0x8000000;
1453 break;
1454 case XGI_DRAM_SIZE_256MB:
1455 xgifb_info->video_size = 0x10000000;
1456 break;
1457 default:
1458 return -1;
1459 }
1460
1461 tmp = (reg & 0x0c) >> 2;
1462 switch (xgifb_info->chip) {
1463 case XG20:
1464 case XG21:
1465 case XG27:
1466 ChannelNum = 1;
1467 break;
1468
1469 case XG42:
1470 if (reg & 0x04)
1471 ChannelNum = 2;
1472 else
1473 ChannelNum = 1;
1474 break;
1475
1476 case XG40:
1477 default:
1478 if (tmp == 2)
1479 ChannelNum = 2;
1480 else if (tmp == 3)
1481 ChannelNum = 3;
1482 else
1483 ChannelNum = 1;
1484 break;
1485 }
1486
1487 xgifb_info->video_size = xgifb_info->video_size * ChannelNum;
1488
1489 pr_info("SR14=%x DramSzie %x ChannelNum %x\n",
1490 reg,
1491 xgifb_info->video_size, ChannelNum);
1492 return 0;
1493
1494 }
1495
XGIfb_detect_VB(struct xgifb_video_info * xgifb_info)1496 static void XGIfb_detect_VB(struct xgifb_video_info *xgifb_info)
1497 {
1498 u8 cr32, temp = 0;
1499
1500 xgifb_info->TV_plug = xgifb_info->TV_type = 0;
1501
1502 cr32 = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR32);
1503
1504 if ((cr32 & SIS_CRT1) && !XGIfb_crt1off)
1505 XGIfb_crt1off = 0;
1506 else {
1507 if (cr32 & 0x5F)
1508 XGIfb_crt1off = 1;
1509 else
1510 XGIfb_crt1off = 0;
1511 }
1512
1513 if (!xgifb_info->display2_force) {
1514 if (cr32 & SIS_VB_TV)
1515 xgifb_info->display2 = XGIFB_DISP_TV;
1516 else if (cr32 & SIS_VB_LCD)
1517 xgifb_info->display2 = XGIFB_DISP_LCD;
1518 else if (cr32 & SIS_VB_CRT2)
1519 xgifb_info->display2 = XGIFB_DISP_CRT;
1520 else
1521 xgifb_info->display2 = XGIFB_DISP_NONE;
1522 }
1523
1524 if (XGIfb_tvplug != -1)
1525 /* Override with option */
1526 xgifb_info->TV_plug = XGIfb_tvplug;
1527 else if (cr32 & SIS_VB_HIVISION) {
1528 xgifb_info->TV_type = TVMODE_HIVISION;
1529 xgifb_info->TV_plug = TVPLUG_SVIDEO;
1530 } else if (cr32 & SIS_VB_SVIDEO)
1531 xgifb_info->TV_plug = TVPLUG_SVIDEO;
1532 else if (cr32 & SIS_VB_COMPOSITE)
1533 xgifb_info->TV_plug = TVPLUG_COMPOSITE;
1534 else if (cr32 & SIS_VB_SCART)
1535 xgifb_info->TV_plug = TVPLUG_SCART;
1536
1537 if (xgifb_info->TV_type == 0) {
1538 temp = xgifb_reg_get(XGICR, 0x38);
1539 if (temp & 0x10)
1540 xgifb_info->TV_type = TVMODE_PAL;
1541 else
1542 xgifb_info->TV_type = TVMODE_NTSC;
1543 }
1544
1545 /* Copy forceCRT1 option to CRT1off if option is given */
1546 if (XGIfb_forcecrt1 != -1) {
1547 if (XGIfb_forcecrt1)
1548 XGIfb_crt1off = 0;
1549 else
1550 XGIfb_crt1off = 1;
1551 }
1552 }
1553
XGIfb_has_VB(struct xgifb_video_info * xgifb_info)1554 static int XGIfb_has_VB(struct xgifb_video_info *xgifb_info)
1555 {
1556 u8 vb_chipid;
1557
1558 vb_chipid = xgifb_reg_get(XGIPART4, 0x00);
1559 switch (vb_chipid) {
1560 case 0x01:
1561 xgifb_info->hasVB = HASVB_301;
1562 break;
1563 case 0x02:
1564 xgifb_info->hasVB = HASVB_302;
1565 break;
1566 default:
1567 xgifb_info->hasVB = HASVB_NONE;
1568 return 0;
1569 }
1570 return 1;
1571 }
1572
XGIfb_get_VB_type(struct xgifb_video_info * xgifb_info)1573 static void XGIfb_get_VB_type(struct xgifb_video_info *xgifb_info)
1574 {
1575 u8 reg;
1576
1577 if (!XGIfb_has_VB(xgifb_info)) {
1578 reg = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR37);
1579 switch ((reg & SIS_EXTERNAL_CHIP_MASK) >> 1) {
1580 case SIS_EXTERNAL_CHIP_LVDS:
1581 xgifb_info->hasVB = HASVB_LVDS;
1582 break;
1583 case SIS_EXTERNAL_CHIP_LVDS_CHRONTEL:
1584 xgifb_info->hasVB = HASVB_LVDS_CHRONTEL;
1585 break;
1586 default:
1587 break;
1588 }
1589 }
1590 }
1591
xgifb_optval(char * fullopt,int validx)1592 static int __init xgifb_optval(char *fullopt, int validx)
1593 {
1594 unsigned long lres;
1595
1596 if (kstrtoul(fullopt + validx, 0, &lres) < 0 || lres > INT_MAX) {
1597 pr_err("Invalid value for option: %s\n", fullopt);
1598 return 0;
1599 }
1600 return lres;
1601 }
1602
XGIfb_setup(char * options)1603 static int __init XGIfb_setup(char *options)
1604 {
1605 char *this_opt;
1606
1607 if (!options || !*options)
1608 return 0;
1609
1610 pr_info("Options: %s\n", options);
1611
1612 while ((this_opt = strsep(&options, ",")) != NULL) {
1613
1614 if (!*this_opt)
1615 continue;
1616
1617 if (!strncmp(this_opt, "mode:", 5)) {
1618 mode = this_opt + 5;
1619 } else if (!strncmp(this_opt, "vesa:", 5)) {
1620 vesa = xgifb_optval(this_opt, 5);
1621 } else if (!strncmp(this_opt, "vrate:", 6)) {
1622 refresh_rate = xgifb_optval(this_opt, 6);
1623 } else if (!strncmp(this_opt, "rate:", 5)) {
1624 refresh_rate = xgifb_optval(this_opt, 5);
1625 } else if (!strncmp(this_opt, "crt1off", 7)) {
1626 XGIfb_crt1off = 1;
1627 } else if (!strncmp(this_opt, "filter:", 7)) {
1628 filter = xgifb_optval(this_opt, 7);
1629 } else if (!strncmp(this_opt, "forcecrt2type:", 14)) {
1630 XGIfb_search_crt2type(this_opt + 14);
1631 } else if (!strncmp(this_opt, "forcecrt1:", 10)) {
1632 XGIfb_forcecrt1 = xgifb_optval(this_opt, 10);
1633 } else if (!strncmp(this_opt, "tvmode:", 7)) {
1634 XGIfb_search_tvstd(this_opt + 7);
1635 } else if (!strncmp(this_opt, "tvstandard:", 11)) {
1636 XGIfb_search_tvstd(this_opt + 7);
1637 } else if (!strncmp(this_opt, "dstn", 4)) {
1638 enable_dstn = 1;
1639 /* DSTN overrules forcecrt2type */
1640 XGIfb_crt2type = XGIFB_DISP_LCD;
1641 } else if (!strncmp(this_opt, "noypan", 6)) {
1642 XGIfb_ypan = 0;
1643 } else {
1644 mode = this_opt;
1645 }
1646 }
1647 return 0;
1648 }
1649
xgifb_probe(struct pci_dev * pdev,const struct pci_device_id * ent)1650 static int xgifb_probe(struct pci_dev *pdev,
1651 const struct pci_device_id *ent)
1652 {
1653 u8 reg, reg1;
1654 u8 CR48, CR38;
1655 int ret;
1656 struct fb_info *fb_info;
1657 struct xgifb_video_info *xgifb_info;
1658 struct xgi_hw_device_info *hw_info;
1659 unsigned long video_size_max;
1660
1661 fb_info = framebuffer_alloc(sizeof(*xgifb_info), &pdev->dev);
1662 if (!fb_info)
1663 return -ENOMEM;
1664
1665 xgifb_info = fb_info->par;
1666 hw_info = &xgifb_info->hw_info;
1667 xgifb_info->fb_info = fb_info;
1668 xgifb_info->chip_id = pdev->device;
1669 pci_read_config_byte(pdev,
1670 PCI_REVISION_ID,
1671 &xgifb_info->revision_id);
1672 hw_info->jChipRevision = xgifb_info->revision_id;
1673
1674 xgifb_info->pcibus = pdev->bus->number;
1675 xgifb_info->pcislot = PCI_SLOT(pdev->devfn);
1676 xgifb_info->pcifunc = PCI_FUNC(pdev->devfn);
1677 xgifb_info->subsysvendor = pdev->subsystem_vendor;
1678 xgifb_info->subsysdevice = pdev->subsystem_device;
1679
1680 video_size_max = pci_resource_len(pdev, 0);
1681 xgifb_info->video_base = pci_resource_start(pdev, 0);
1682 xgifb_info->mmio_base = pci_resource_start(pdev, 1);
1683 xgifb_info->mmio_size = pci_resource_len(pdev, 1);
1684 xgifb_info->vga_base = pci_resource_start(pdev, 2) + 0x30;
1685 dev_info(&pdev->dev, "Relocate IO address: %Lx [%08lx]\n",
1686 (u64) pci_resource_start(pdev, 2),
1687 xgifb_info->vga_base);
1688
1689 if (pci_enable_device(pdev)) {
1690 ret = -EIO;
1691 goto error;
1692 }
1693
1694 if (XGIfb_crt2type != -1) {
1695 xgifb_info->display2 = XGIfb_crt2type;
1696 xgifb_info->display2_force = true;
1697 }
1698
1699 XGIRegInit(&xgifb_info->dev_info, xgifb_info->vga_base);
1700
1701 xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD);
1702 reg1 = xgifb_reg_get(XGISR, IND_SIS_PASSWORD);
1703
1704 if (reg1 != 0xa1) { /*I/O error */
1705 dev_err(&pdev->dev, "I/O error\n");
1706 ret = -EIO;
1707 goto error_disable;
1708 }
1709
1710 switch (xgifb_info->chip_id) {
1711 case PCI_DEVICE_ID_XGI_20:
1712 xgifb_reg_or(XGICR, Index_CR_GPIO_Reg3, GPIOG_EN);
1713 CR48 = xgifb_reg_get(XGICR, Index_CR_GPIO_Reg1);
1714 if (CR48&GPIOG_READ)
1715 xgifb_info->chip = XG21;
1716 else
1717 xgifb_info->chip = XG20;
1718 break;
1719 case PCI_DEVICE_ID_XGI_40:
1720 xgifb_info->chip = XG40;
1721 break;
1722 case PCI_DEVICE_ID_XGI_42:
1723 xgifb_info->chip = XG42;
1724 break;
1725 case PCI_DEVICE_ID_XGI_27:
1726 xgifb_info->chip = XG27;
1727 break;
1728 default:
1729 ret = -ENODEV;
1730 goto error_disable;
1731 }
1732
1733 dev_info(&pdev->dev, "chipid = %x\n", xgifb_info->chip);
1734 hw_info->jChipType = xgifb_info->chip;
1735
1736 if (XGIfb_get_dram_size(xgifb_info)) {
1737 xgifb_info->video_size = min_t(unsigned long, video_size_max,
1738 SZ_16M);
1739 } else if (xgifb_info->video_size > video_size_max) {
1740 xgifb_info->video_size = video_size_max;
1741 }
1742
1743 /* Enable PCI_LINEAR_ADDRESSING and MMIO_ENABLE */
1744 xgifb_reg_or(XGISR,
1745 IND_SIS_PCI_ADDRESS_SET,
1746 (SIS_PCI_ADDR_ENABLE | SIS_MEM_MAP_IO_ENABLE));
1747 /* Enable 2D accelerator engine */
1748 xgifb_reg_or(XGISR, IND_SIS_MODULE_ENABLE, SIS_ENABLE_2D);
1749
1750 hw_info->ulVideoMemorySize = xgifb_info->video_size;
1751
1752 if (!request_mem_region(xgifb_info->video_base,
1753 xgifb_info->video_size,
1754 "XGIfb FB")) {
1755 dev_err(&pdev->dev, "Unable request memory size %x\n",
1756 xgifb_info->video_size);
1757 dev_err(&pdev->dev,
1758 "Fatal error: Unable to reserve frame buffer memory. Is there another framebuffer driver active?\n");
1759 ret = -ENODEV;
1760 goto error_disable;
1761 }
1762
1763 if (!request_mem_region(xgifb_info->mmio_base,
1764 xgifb_info->mmio_size,
1765 "XGIfb MMIO")) {
1766 dev_err(&pdev->dev,
1767 "Fatal error: Unable to reserve MMIO region\n");
1768 ret = -ENODEV;
1769 goto error_0;
1770 }
1771
1772 xgifb_info->video_vbase = hw_info->pjVideoMemoryAddress =
1773 ioremap(xgifb_info->video_base, xgifb_info->video_size);
1774 xgifb_info->mmio_vbase = ioremap(xgifb_info->mmio_base,
1775 xgifb_info->mmio_size);
1776
1777 dev_info(&pdev->dev,
1778 "Framebuffer at 0x%Lx, mapped to 0x%p, size %dk\n",
1779 (u64) xgifb_info->video_base,
1780 xgifb_info->video_vbase,
1781 xgifb_info->video_size / 1024);
1782
1783 dev_info(&pdev->dev,
1784 "MMIO at 0x%Lx, mapped to 0x%p, size %ldk\n",
1785 (u64) xgifb_info->mmio_base, xgifb_info->mmio_vbase,
1786 xgifb_info->mmio_size / 1024);
1787
1788 pci_set_drvdata(pdev, xgifb_info);
1789 if (!XGIInitNew(pdev))
1790 dev_err(&pdev->dev, "XGIInitNew() failed!\n");
1791
1792 xgifb_info->mtrr = -1;
1793
1794 xgifb_info->hasVB = HASVB_NONE;
1795 if ((xgifb_info->chip == XG20) ||
1796 (xgifb_info->chip == XG27)) {
1797 xgifb_info->hasVB = HASVB_NONE;
1798 } else if (xgifb_info->chip == XG21) {
1799 CR38 = xgifb_reg_get(XGICR, 0x38);
1800 if ((CR38&0xE0) == 0xC0)
1801 xgifb_info->display2 = XGIFB_DISP_LCD;
1802 else if ((CR38&0xE0) == 0x60)
1803 xgifb_info->hasVB = HASVB_CHRONTEL;
1804 else
1805 xgifb_info->hasVB = HASVB_NONE;
1806 } else {
1807 XGIfb_get_VB_type(xgifb_info);
1808 }
1809
1810 hw_info->ujVBChipID = VB_CHIP_UNKNOWN;
1811
1812 hw_info->ulExternalChip = 0;
1813
1814 switch (xgifb_info->hasVB) {
1815 case HASVB_301:
1816 reg = xgifb_reg_get(XGIPART4, 0x01);
1817 if (reg >= 0xE0) {
1818 hw_info->ujVBChipID = VB_CHIP_302LV;
1819 dev_info(&pdev->dev,
1820 "XGI302LV bridge detected (revision 0x%02x)\n",
1821 reg);
1822 } else if (reg >= 0xD0) {
1823 hw_info->ujVBChipID = VB_CHIP_301LV;
1824 dev_info(&pdev->dev,
1825 "XGI301LV bridge detected (revision 0x%02x)\n",
1826 reg);
1827 } else {
1828 hw_info->ujVBChipID = VB_CHIP_301;
1829 dev_info(&pdev->dev, "XGI301 bridge detected\n");
1830 }
1831 break;
1832 case HASVB_302:
1833 reg = xgifb_reg_get(XGIPART4, 0x01);
1834 if (reg >= 0xE0) {
1835 hw_info->ujVBChipID = VB_CHIP_302LV;
1836 dev_info(&pdev->dev,
1837 "XGI302LV bridge detected (revision 0x%02x)\n",
1838 reg);
1839 } else if (reg >= 0xD0) {
1840 hw_info->ujVBChipID = VB_CHIP_301LV;
1841 dev_info(&pdev->dev,
1842 "XGI302LV bridge detected (revision 0x%02x)\n",
1843 reg);
1844 } else if (reg >= 0xB0) {
1845 reg1 = xgifb_reg_get(XGIPART4, 0x23);
1846
1847 hw_info->ujVBChipID = VB_CHIP_302B;
1848
1849 } else {
1850 hw_info->ujVBChipID = VB_CHIP_302;
1851 dev_info(&pdev->dev, "XGI302 bridge detected\n");
1852 }
1853 break;
1854 case HASVB_LVDS:
1855 hw_info->ulExternalChip = 0x1;
1856 dev_info(&pdev->dev, "LVDS transmitter detected\n");
1857 break;
1858 case HASVB_TRUMPION:
1859 hw_info->ulExternalChip = 0x2;
1860 dev_info(&pdev->dev, "Trumpion Zurac LVDS scaler detected\n");
1861 break;
1862 case HASVB_CHRONTEL:
1863 hw_info->ulExternalChip = 0x4;
1864 dev_info(&pdev->dev, "Chrontel TV encoder detected\n");
1865 break;
1866 case HASVB_LVDS_CHRONTEL:
1867 hw_info->ulExternalChip = 0x5;
1868 dev_info(&pdev->dev,
1869 "LVDS transmitter and Chrontel TV encoder detected\n");
1870 break;
1871 default:
1872 dev_info(&pdev->dev, "No or unknown bridge type detected\n");
1873 break;
1874 }
1875
1876 if (xgifb_info->hasVB != HASVB_NONE)
1877 XGIfb_detect_VB(xgifb_info);
1878 else if (xgifb_info->chip != XG21)
1879 xgifb_info->display2 = XGIFB_DISP_NONE;
1880
1881 if (xgifb_info->display2 == XGIFB_DISP_LCD) {
1882 if (!enable_dstn) {
1883 reg = xgifb_reg_get(XGICR, IND_XGI_LCD_PANEL);
1884 reg &= 0x0f;
1885 hw_info->ulCRT2LCDType = XGI310paneltype[reg];
1886 }
1887 }
1888
1889 xgifb_info->mode_idx = -1;
1890
1891 if (mode)
1892 XGIfb_search_mode(xgifb_info, mode);
1893 else if (vesa != -1)
1894 XGIfb_search_vesamode(xgifb_info, vesa);
1895
1896 if (xgifb_info->mode_idx >= 0)
1897 xgifb_info->mode_idx =
1898 XGIfb_validate_mode(xgifb_info, xgifb_info->mode_idx);
1899
1900 if (xgifb_info->mode_idx < 0) {
1901 if (xgifb_info->display2 == XGIFB_DISP_LCD &&
1902 xgifb_info->chip == XG21)
1903 xgifb_info->mode_idx =
1904 XGIfb_GetXG21DefaultLVDSModeIdx(xgifb_info);
1905 else
1906 xgifb_info->mode_idx = DEFAULT_MODE;
1907 }
1908
1909 if (xgifb_info->mode_idx < 0) {
1910 dev_err(&pdev->dev, "No supported video mode found\n");
1911 ret = -EINVAL;
1912 goto error_1;
1913 }
1914
1915 /* set default refresh rate */
1916 xgifb_info->refresh_rate = refresh_rate;
1917 if (xgifb_info->refresh_rate == 0)
1918 xgifb_info->refresh_rate = 60;
1919 if (XGIfb_search_refresh_rate(xgifb_info,
1920 xgifb_info->refresh_rate) == 0) {
1921 xgifb_info->rate_idx = 1;
1922 xgifb_info->refresh_rate = 60;
1923 }
1924
1925 xgifb_info->video_bpp = XGIbios_mode[xgifb_info->mode_idx].bpp;
1926 xgifb_info->video_vwidth =
1927 xgifb_info->video_width =
1928 XGIbios_mode[xgifb_info->mode_idx].xres;
1929 xgifb_info->video_vheight =
1930 xgifb_info->video_height =
1931 XGIbios_mode[xgifb_info->mode_idx].yres;
1932 xgifb_info->org_x = xgifb_info->org_y = 0;
1933 xgifb_info->video_linelength =
1934 xgifb_info->video_width *
1935 (xgifb_info->video_bpp >> 3);
1936 switch (xgifb_info->video_bpp) {
1937 case 8:
1938 xgifb_info->DstColor = 0x0000;
1939 xgifb_info->XGI310_AccelDepth = 0x00000000;
1940 xgifb_info->video_cmap_len = 256;
1941 break;
1942 case 16:
1943 xgifb_info->DstColor = 0x8000;
1944 xgifb_info->XGI310_AccelDepth = 0x00010000;
1945 xgifb_info->video_cmap_len = 16;
1946 break;
1947 case 32:
1948 xgifb_info->DstColor = 0xC000;
1949 xgifb_info->XGI310_AccelDepth = 0x00020000;
1950 xgifb_info->video_cmap_len = 16;
1951 break;
1952 default:
1953 xgifb_info->video_cmap_len = 16;
1954 pr_info("Unsupported depth %d\n",
1955 xgifb_info->video_bpp);
1956 break;
1957 }
1958
1959 pr_info("Default mode is %dx%dx%d (%dHz)\n",
1960 xgifb_info->video_width,
1961 xgifb_info->video_height,
1962 xgifb_info->video_bpp,
1963 xgifb_info->refresh_rate);
1964
1965 fb_info->var.red.length = 8;
1966 fb_info->var.green.length = 8;
1967 fb_info->var.blue.length = 8;
1968 fb_info->var.activate = FB_ACTIVATE_NOW;
1969 fb_info->var.height = -1;
1970 fb_info->var.width = -1;
1971 fb_info->var.vmode = FB_VMODE_NONINTERLACED;
1972 fb_info->var.xres = xgifb_info->video_width;
1973 fb_info->var.xres_virtual = xgifb_info->video_width;
1974 fb_info->var.yres = xgifb_info->video_height;
1975 fb_info->var.yres_virtual = xgifb_info->video_height;
1976 fb_info->var.bits_per_pixel = xgifb_info->video_bpp;
1977
1978 XGIfb_bpp_to_var(xgifb_info, &fb_info->var);
1979
1980 fb_info->var.pixclock = (u32) (1000000000 /
1981 XGIfb_mode_rate_to_dclock(&xgifb_info->dev_info,
1982 hw_info,
1983 XGIbios_mode[xgifb_info->mode_idx].mode_no));
1984
1985 if (XGIfb_mode_rate_to_ddata(&xgifb_info->dev_info, hw_info,
1986 XGIbios_mode[xgifb_info->mode_idx].mode_no,
1987 &fb_info->var.left_margin,
1988 &fb_info->var.right_margin,
1989 &fb_info->var.upper_margin,
1990 &fb_info->var.lower_margin,
1991 &fb_info->var.hsync_len,
1992 &fb_info->var.vsync_len,
1993 &fb_info->var.sync,
1994 &fb_info->var.vmode)) {
1995
1996 if ((fb_info->var.vmode & FB_VMODE_MASK) ==
1997 FB_VMODE_INTERLACED) {
1998 fb_info->var.yres <<= 1;
1999 fb_info->var.yres_virtual <<= 1;
2000 } else if ((fb_info->var.vmode & FB_VMODE_MASK) ==
2001 FB_VMODE_DOUBLE) {
2002 fb_info->var.pixclock >>= 1;
2003 fb_info->var.yres >>= 1;
2004 fb_info->var.yres_virtual >>= 1;
2005 }
2006
2007 }
2008
2009 fb_info->flags = FBINFO_FLAG_DEFAULT;
2010 fb_info->screen_base = xgifb_info->video_vbase;
2011 fb_info->fbops = &XGIfb_ops;
2012 XGIfb_get_fix(&fb_info->fix, -1, fb_info);
2013 fb_info->pseudo_palette = xgifb_info->pseudo_palette;
2014
2015 fb_alloc_cmap(&fb_info->cmap, 256, 0);
2016
2017 #ifdef CONFIG_MTRR
2018 xgifb_info->mtrr = mtrr_add(xgifb_info->video_base,
2019 xgifb_info->video_size, MTRR_TYPE_WRCOMB, 1);
2020 if (xgifb_info->mtrr >= 0)
2021 dev_info(&pdev->dev, "Added MTRR\n");
2022 #endif
2023
2024 if (register_framebuffer(fb_info) < 0) {
2025 ret = -EINVAL;
2026 goto error_mtrr;
2027 }
2028
2029 dumpVGAReg();
2030
2031 return 0;
2032
2033 error_mtrr:
2034 #ifdef CONFIG_MTRR
2035 if (xgifb_info->mtrr >= 0)
2036 mtrr_del(xgifb_info->mtrr, xgifb_info->video_base,
2037 xgifb_info->video_size);
2038 #endif /* CONFIG_MTRR */
2039 error_1:
2040 iounmap(xgifb_info->mmio_vbase);
2041 iounmap(xgifb_info->video_vbase);
2042 release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
2043 error_0:
2044 release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
2045 error_disable:
2046 pci_disable_device(pdev);
2047 error:
2048 framebuffer_release(fb_info);
2049 return ret;
2050 }
2051
2052 /*****************************************************/
2053 /* PCI DEVICE HANDLING */
2054 /*****************************************************/
2055
xgifb_remove(struct pci_dev * pdev)2056 static void xgifb_remove(struct pci_dev *pdev)
2057 {
2058 struct xgifb_video_info *xgifb_info = pci_get_drvdata(pdev);
2059 struct fb_info *fb_info = xgifb_info->fb_info;
2060
2061 unregister_framebuffer(fb_info);
2062 #ifdef CONFIG_MTRR
2063 if (xgifb_info->mtrr >= 0)
2064 mtrr_del(xgifb_info->mtrr, xgifb_info->video_base,
2065 xgifb_info->video_size);
2066 #endif /* CONFIG_MTRR */
2067 iounmap(xgifb_info->mmio_vbase);
2068 iounmap(xgifb_info->video_vbase);
2069 release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
2070 release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
2071 pci_disable_device(pdev);
2072 framebuffer_release(fb_info);
2073 }
2074
2075 static struct pci_driver xgifb_driver = {
2076 .name = "xgifb",
2077 .id_table = xgifb_pci_table,
2078 .probe = xgifb_probe,
2079 .remove = xgifb_remove
2080 };
2081
2082
2083
2084 /*****************************************************/
2085 /* MODULE */
2086 /*****************************************************/
2087
2088 module_param(mode, charp, 0);
2089 MODULE_PARM_DESC(mode,
2090 "Selects the desired default display mode in the format XxYxDepth (eg. 1024x768x16).");
2091
2092 module_param(forcecrt2type, charp, 0);
2093 MODULE_PARM_DESC(forcecrt2type,
2094 "Force the second display output type. Possible values are NONE, LCD, TV, VGA, SVIDEO or COMPOSITE.");
2095
2096 module_param(vesa, int, 0);
2097 MODULE_PARM_DESC(vesa,
2098 "Selects the desired default display mode by VESA mode number (eg. 0x117).");
2099
2100 module_param(filter, int, 0);
2101 MODULE_PARM_DESC(filter,
2102 "Selects TV flicker filter type (only for systems with a SiS301 video bridge). Possible values 0-7. Default: [no filter]).");
2103
xgifb_init(void)2104 static int __init xgifb_init(void)
2105 {
2106 char *option = NULL;
2107
2108 if (forcecrt2type != NULL)
2109 XGIfb_search_crt2type(forcecrt2type);
2110 if (fb_get_options("xgifb", &option))
2111 return -ENODEV;
2112 XGIfb_setup(option);
2113
2114 return pci_register_driver(&xgifb_driver);
2115 }
2116
xgifb_remove_module(void)2117 static void __exit xgifb_remove_module(void)
2118 {
2119 pci_unregister_driver(&xgifb_driver);
2120 pr_debug("Module unloaded\n");
2121 }
2122
2123 MODULE_DESCRIPTION("Z7 Z9 Z9S Z11 framebuffer device driver");
2124 MODULE_LICENSE("GPL");
2125 MODULE_AUTHOR("XGITECH , Others");
2126 module_init(xgifb_init);
2127 module_exit(xgifb_remove_module);
2128