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