projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
pvrusb2: reduce stack usage pvr2_eeprom_analyze()
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / staging / xgifb / XGI_main_26.c
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
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
54 static inline void dumpVGAReg(void)
55 {
56 }
57 #endif
58
59 /* --------------- Hardware Access Routines -------------------------- */
60
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, unsigned char rateindex)
64 {
65 unsigned short ModeNo = modeno;
66 unsigned short ModeIdIndex = 0, ClockIndex = 0;
67 unsigned short RefreshRateTableIndex = 0;
68 int Clock;
69 InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
70
71 XGI_SearchModeID(ModeNo, &ModeIdIndex, XGI_Pr);
72
73 RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
74 ModeIdIndex, XGI_Pr);
75
76 ClockIndex = XGI330_RefIndex[RefreshRateTableIndex].Ext_CRTVCLK;
77
78 Clock = XGI_VCLKData[ClockIndex].CLOCK * 1000;
79
80 return Clock;
81 }
82
83 static int XGIfb_mode_rate_to_ddata(struct vb_device_info *XGI_Pr,
84 struct xgi_hw_device_info *HwDeviceExtension,
85 unsigned char modeno, unsigned char rateindex,
86 u32 *left_margin, u32 *right_margin, u32 *upper_margin,
87 u32 *lower_margin, u32 *hsync_len, u32 *vsync_len, u32 *sync,
88 u32 *vmode)
89 {
90 unsigned short ModeNo = modeno;
91 unsigned short ModeIdIndex, index = 0;
92 unsigned short RefreshRateTableIndex = 0;
93
94 unsigned short VRE, VBE, VRS, VDE;
95 unsigned short HRE, HBE, HRS, HDE;
96 unsigned char sr_data, cr_data, cr_data2;
97 int B, C, D, F, temp, j;
98 InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
99 if (!XGI_SearchModeID(ModeNo, &ModeIdIndex, XGI_Pr))
100 return 0;
101 RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
102 ModeIdIndex, XGI_Pr);
103 index = XGI330_RefIndex[RefreshRateTableIndex].Ext_CRT1CRTC;
104
105 sr_data = XGI_CRT1Table[index].CR[5];
106
107 HDE = (XGI330_RefIndex[RefreshRateTableIndex].XRes >> 3);
108
109 cr_data = XGI_CRT1Table[index].CR[3];
110
111 /* Horizontal retrace (=sync) start */
112 HRS = (cr_data & 0xff) | ((unsigned short) (sr_data & 0xC0) << 2);
113 F = HRS - HDE - 3;
114
115 sr_data = XGI_CRT1Table[index].CR[6];
116
117 cr_data = XGI_CRT1Table[index].CR[2];
118
119 cr_data2 = XGI_CRT1Table[index].CR[4];
120
121 /* Horizontal blank end */
122 HBE = (cr_data & 0x1f) | ((unsigned short) (cr_data2 & 0x80) >> 2)
123 | ((unsigned short) (sr_data & 0x03) << 6);
124
125 /* Horizontal retrace (=sync) end */
126 HRE = (cr_data2 & 0x1f) | ((sr_data & 0x04) << 3);
127
128 temp = HBE - ((HDE - 1) & 255);
129 B = (temp > 0) ? temp : (temp + 256);
130
131 temp = HRE - ((HDE + F + 3) & 63);
132 C = (temp > 0) ? temp : (temp + 64);
133
134 D = B - F - C;
135
136 *left_margin = D * 8;
137 *right_margin = F * 8;
138 *hsync_len = C * 8;
139
140 sr_data = XGI_CRT1Table[index].CR[14];
141
142 cr_data2 = XGI_CRT1Table[index].CR[9];
143
144 VDE = XGI330_RefIndex[RefreshRateTableIndex].YRes;
145
146 cr_data = XGI_CRT1Table[index].CR[10];
147
148 /* Vertical retrace (=sync) start */
149 VRS = (cr_data & 0xff) | ((unsigned short) (cr_data2 & 0x04) << 6)
150 | ((unsigned short) (cr_data2 & 0x80) << 2)
151 | ((unsigned short) (sr_data & 0x08) << 7);
152 F = VRS + 1 - VDE;
153
154 cr_data = XGI_CRT1Table[index].CR[13];
155
156 /* Vertical blank end */
157 VBE = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x10) << 4);
158 temp = VBE - ((VDE - 1) & 511);
159 B = (temp > 0) ? temp : (temp + 512);
160
161 cr_data = XGI_CRT1Table[index].CR[11];
162
163 /* Vertical retrace (=sync) end */
164 VRE = (cr_data & 0x0f) | ((sr_data & 0x20) >> 1);
165 temp = VRE - ((VDE + F - 1) & 31);
166 C = (temp > 0) ? temp : (temp + 32);
167
168 D = B - F - C;
169
170 *upper_margin = D;
171 *lower_margin = F;
172 *vsync_len = C;
173
174 if (XGI330_RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x8000)
175 *sync &= ~FB_SYNC_VERT_HIGH_ACT;
176 else
177 *sync |= FB_SYNC_VERT_HIGH_ACT;
178
179 if (XGI330_RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x4000)
180 *sync &= ~FB_SYNC_HOR_HIGH_ACT;
181 else
182 *sync |= FB_SYNC_HOR_HIGH_ACT;
183
184 *vmode = FB_VMODE_NONINTERLACED;
185 if (XGI330_RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x0080)
186 *vmode = FB_VMODE_INTERLACED;
187 else {
188 j = 0;
189 while (XGI330_EModeIDTable[j].Ext_ModeID != 0xff) {
190 if (XGI330_EModeIDTable[j].Ext_ModeID ==
191 XGI330_RefIndex[RefreshRateTableIndex].ModeID) {
192 if (XGI330_EModeIDTable[j].Ext_ModeFlag &
193 DoubleScanMode) {
194 *vmode = FB_VMODE_DOUBLE;
195 }
196 break;
197 }
198 j++;
199 }
200 }
201
202 return 1;
203 }
204
205 void XGIRegInit(struct vb_device_info *XGI_Pr, unsigned long BaseAddr)
206 {
207 XGI_Pr->P3c4 = BaseAddr + 0x14;
208 XGI_Pr->P3d4 = BaseAddr + 0x24;
209 XGI_Pr->P3c0 = BaseAddr + 0x10;
210 XGI_Pr->P3ce = BaseAddr + 0x1e;
211 XGI_Pr->P3c2 = BaseAddr + 0x12;
212 XGI_Pr->P3cc = BaseAddr + 0x1c;
213 XGI_Pr->P3ca = BaseAddr + 0x1a;
214 XGI_Pr->P3c6 = BaseAddr + 0x16;
215 XGI_Pr->P3c7 = BaseAddr + 0x17;
216 XGI_Pr->P3c8 = BaseAddr + 0x18;
217 XGI_Pr->P3c9 = BaseAddr + 0x19;
218 XGI_Pr->P3da = BaseAddr + 0x2A;
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
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
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
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
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
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
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 } else {
591 pr_info("Unsupported rate %d for %dx%d\n",
592 rate, xres, yres);
593 return 0;
594 }
595 }
596
597 static void XGIfb_search_tvstd(const char *name)
598 {
599 int i = 0;
600
601 if (name == NULL)
602 return;
603
604 while (XGI_tvtype[i].type_no != -1) {
605 if (!strcmp(name, XGI_tvtype[i].name)) {
606 XGIfb_tvmode = XGI_tvtype[i].type_no;
607 break;
608 }
609 i++;
610 }
611 }
612
613 /* ----------- FBDev related routines for all series ----------- */
614
615 static void XGIfb_bpp_to_var(struct xgifb_video_info *xgifb_info,
616 struct fb_var_screeninfo *var)
617 {
618 switch (var->bits_per_pixel) {
619 case 8:
620 var->red.offset = var->green.offset = var->blue.offset = 0;
621 var->red.length = var->green.length = var->blue.length = 6;
622 xgifb_info->video_cmap_len = 256;
623 break;
624 case 16:
625 var->red.offset = 11;
626 var->red.length = 5;
627 var->green.offset = 5;
628 var->green.length = 6;
629 var->blue.offset = 0;
630 var->blue.length = 5;
631 var->transp.offset = 0;
632 var->transp.length = 0;
633 xgifb_info->video_cmap_len = 16;
634 break;
635 case 32:
636 var->red.offset = 16;
637 var->red.length = 8;
638 var->green.offset = 8;
639 var->green.length = 8;
640 var->blue.offset = 0;
641 var->blue.length = 8;
642 var->transp.offset = 24;
643 var->transp.length = 8;
644 xgifb_info->video_cmap_len = 16;
645 break;
646 }
647 }
648
649 /* --------------------- SetMode routines ------------------------- */
650
651 static void XGIfb_pre_setmode(struct xgifb_video_info *xgifb_info)
652 {
653 u8 cr30 = 0, cr31 = 0;
654
655 cr31 = xgifb_reg_get(XGICR, 0x31);
656 cr31 &= ~0x60;
657
658 switch (xgifb_info->display2) {
659 case XGIFB_DISP_CRT:
660 cr30 = (SIS_VB_OUTPUT_CRT2 | SIS_SIMULTANEOUS_VIEW_ENABLE);
661 cr31 |= SIS_DRIVER_MODE;
662 break;
663 case XGIFB_DISP_LCD:
664 cr30 = (SIS_VB_OUTPUT_LCD | SIS_SIMULTANEOUS_VIEW_ENABLE);
665 cr31 |= SIS_DRIVER_MODE;
666 break;
667 case XGIFB_DISP_TV:
668 if (xgifb_info->TV_type == TVMODE_HIVISION)
669 cr30 = (SIS_VB_OUTPUT_HIVISION
670 | SIS_SIMULTANEOUS_VIEW_ENABLE);
671 else if (xgifb_info->TV_plug == TVPLUG_SVIDEO)
672 cr30 = (SIS_VB_OUTPUT_SVIDEO
673 | SIS_SIMULTANEOUS_VIEW_ENABLE);
674 else if (xgifb_info->TV_plug == TVPLUG_COMPOSITE)
675 cr30 = (SIS_VB_OUTPUT_COMPOSITE
676 | SIS_SIMULTANEOUS_VIEW_ENABLE);
677 else if (xgifb_info->TV_plug == TVPLUG_SCART)
678 cr30 = (SIS_VB_OUTPUT_SCART
679 | SIS_SIMULTANEOUS_VIEW_ENABLE);
680 cr31 |= SIS_DRIVER_MODE;
681
682 if (XGIfb_tvmode == 1 || xgifb_info->TV_type == TVMODE_PAL)
683 cr31 |= 0x01;
684 else
685 cr31 &= ~0x01;
686 break;
687 default: /* disable CRT2 */
688 cr30 = 0x00;
689 cr31 |= (SIS_DRIVER_MODE | SIS_VB_OUTPUT_DISABLE);
690 }
691
692 xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR30, cr30);
693 xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR31, cr31);
694 xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR33,
695 (xgifb_info->rate_idx & 0x0F));
696 }
697
698 static void XGIfb_post_setmode(struct xgifb_video_info *xgifb_info)
699 {
700 u8 reg;
701 unsigned char doit = 1;
702
703 if (xgifb_info->video_bpp == 8) {
704 /*
705 * We can't switch off CRT1 on LVDS/Chrontel
706 * in 8bpp Modes
707 */
708 if ((xgifb_info->hasVB == HASVB_LVDS) ||
709 (xgifb_info->hasVB == HASVB_LVDS_CHRONTEL)) {
710 doit = 0;
711 }
712 /*
713 * We can't switch off CRT1 on 301B-DH
714 * in 8bpp Modes if using LCD
715 */
716 if (xgifb_info->display2 == XGIFB_DISP_LCD)
717 doit = 0;
718 }
719
720 /* We can't switch off CRT1 if bridge is in slave mode */
721 if (xgifb_info->hasVB != HASVB_NONE) {
722 reg = xgifb_reg_get(XGIPART1, 0x00);
723
724 if ((reg & 0x50) == 0x10)
725 doit = 0;
726
727 } else {
728 XGIfb_crt1off = 0;
729 }
730
731 reg = xgifb_reg_get(XGICR, 0x17);
732 if ((XGIfb_crt1off) && (doit))
733 reg &= ~0x80;
734 else
735 reg |= 0x80;
736 xgifb_reg_set(XGICR, 0x17, reg);
737
738 xgifb_reg_and(XGISR, IND_SIS_RAMDAC_CONTROL, ~0x04);
739
740 if (xgifb_info->display2 == XGIFB_DISP_TV &&
741 xgifb_info->hasVB == HASVB_301) {
742
743 reg = xgifb_reg_get(XGIPART4, 0x01);
744
745 if (reg < 0xB0) { /* Set filter for XGI301 */
746 int filter_tb;
747
748 switch (xgifb_info->video_width) {
749 case 320:
750 filter_tb = (xgifb_info->TV_type ==
751 TVMODE_NTSC) ? 4 : 12;
752 break;
753 case 640:
754 filter_tb = (xgifb_info->TV_type ==
755 TVMODE_NTSC) ? 5 : 13;
756 break;
757 case 720:
758 filter_tb = (xgifb_info->TV_type ==
759 TVMODE_NTSC) ? 6 : 14;
760 break;
761 case 800:
762 filter_tb = (xgifb_info->TV_type ==
763 TVMODE_NTSC) ? 7 : 15;
764 break;
765 default:
766 filter_tb = 0;
767 filter = -1;
768 break;
769 }
770 xgifb_reg_or(XGIPART1,
771 SIS_CRT2_WENABLE_315,
772 0x01);
773
774 if (xgifb_info->TV_type == TVMODE_NTSC) {
775
776 xgifb_reg_and(XGIPART2, 0x3a, 0x1f);
777
778 if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
779
780 xgifb_reg_and(XGIPART2, 0x30, 0xdf);
781
782 } else if (xgifb_info->TV_plug
783 == TVPLUG_COMPOSITE) {
784
785 xgifb_reg_or(XGIPART2, 0x30, 0x20);
786
787 switch (xgifb_info->video_width) {
788 case 640:
789 xgifb_reg_set(XGIPART2,
790 0x35,
791 0xEB);
792 xgifb_reg_set(XGIPART2,
793 0x36,
794 0x04);
795 xgifb_reg_set(XGIPART2,
796 0x37,
797 0x25);
798 xgifb_reg_set(XGIPART2,
799 0x38,
800 0x18);
801 break;
802 case 720:
803 xgifb_reg_set(XGIPART2,
804 0x35,
805 0xEE);
806 xgifb_reg_set(XGIPART2,
807 0x36,
808 0x0C);
809 xgifb_reg_set(XGIPART2,
810 0x37,
811 0x22);
812 xgifb_reg_set(XGIPART2,
813 0x38,
814 0x08);
815 break;
816 case 800:
817 xgifb_reg_set(XGIPART2,
818 0x35,
819 0xEB);
820 xgifb_reg_set(XGIPART2,
821 0x36,
822 0x15);
823 xgifb_reg_set(XGIPART2,
824 0x37,
825 0x25);
826 xgifb_reg_set(XGIPART2,
827 0x38,
828 0xF6);
829 break;
830 }
831 }
832
833 } else if (xgifb_info->TV_type == TVMODE_PAL) {
834
835 xgifb_reg_and(XGIPART2, 0x3A, 0x1F);
836
837 if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
838
839 xgifb_reg_and(XGIPART2, 0x30, 0xDF);
840
841 } else if (xgifb_info->TV_plug
842 == TVPLUG_COMPOSITE) {
843
844 xgifb_reg_or(XGIPART2, 0x30, 0x20);
845
846 switch (xgifb_info->video_width) {
847 case 640:
848 xgifb_reg_set(XGIPART2,
849 0x35,
850 0xF1);
851 xgifb_reg_set(XGIPART2,
852 0x36,
853 0xF7);
854 xgifb_reg_set(XGIPART2,
855 0x37,
856 0x1F);
857 xgifb_reg_set(XGIPART2,
858 0x38,
859 0x32);
860 break;
861 case 720:
862 xgifb_reg_set(XGIPART2,
863 0x35,
864 0xF3);
865 xgifb_reg_set(XGIPART2,
866 0x36,
867 0x00);
868 xgifb_reg_set(XGIPART2,
869 0x37,
870 0x1D);
871 xgifb_reg_set(XGIPART2,
872 0x38,
873 0x20);
874 break;
875 case 800:
876 xgifb_reg_set(XGIPART2,
877 0x35,
878 0xFC);
879 xgifb_reg_set(XGIPART2,
880 0x36,
881 0xFB);
882 xgifb_reg_set(XGIPART2,
883 0x37,
884 0x14);
885 xgifb_reg_set(XGIPART2,
886 0x38,
887 0x2A);
888 break;
889 }
890 }
891 }
892
893 if ((filter >= 0) && (filter <= 7)) {
894 pr_debug("FilterTable[%d]-%d: %*ph\n",
895 filter_tb, filter,
896 4, XGI_TV_filter[filter_tb].
897 filter[filter]);
898 xgifb_reg_set(
899 XGIPART2,
900 0x35,
901 (XGI_TV_filter[filter_tb].
902 filter[filter][0]));
903 xgifb_reg_set(
904 XGIPART2,
905 0x36,
906 (XGI_TV_filter[filter_tb].
907 filter[filter][1]));
908 xgifb_reg_set(
909 XGIPART2,
910 0x37,
911 (XGI_TV_filter[filter_tb].
912 filter[filter][2]));
913 xgifb_reg_set(
914 XGIPART2,
915 0x38,
916 (XGI_TV_filter[filter_tb].
917 filter[filter][3]));
918 }
919 }
920 }
921 }
922
923 static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive,
924 struct fb_info *info)
925 {
926 struct xgifb_video_info *xgifb_info = info->par;
927 struct xgi_hw_device_info *hw_info = &xgifb_info->hw_info;
928 unsigned int htotal = var->left_margin + var->xres + var->right_margin
929 + var->hsync_len;
930 unsigned int vtotal = var->upper_margin + var->yres + var->lower_margin
931 + var->vsync_len;
932 #if defined(__powerpc__)
933 u8 cr_data;
934 #endif
935 unsigned int drate = 0, hrate = 0;
936 int found_mode = 0;
937 int old_mode;
938
939 info->var.xres_virtual = var->xres_virtual;
940 info->var.yres_virtual = var->yres_virtual;
941 info->var.bits_per_pixel = var->bits_per_pixel;
942
943 if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED)
944 vtotal <<= 1;
945 else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE)
946 vtotal <<= 2;
947
948 if (!htotal || !vtotal) {
949 pr_debug("Invalid 'var' information\n");
950 return -EINVAL;
951 } pr_debug("var->pixclock=%d, htotal=%d, vtotal=%d\n",
952 var->pixclock, htotal, vtotal);
953
954 if (var->pixclock && htotal && vtotal) {
955 drate = 1000000000 / var->pixclock;
956 hrate = (drate * 1000) / htotal;
957 xgifb_info->refresh_rate = (unsigned int) (hrate * 2
958 / vtotal);
959 } else {
960 xgifb_info->refresh_rate = 60;
961 }
962
963 pr_debug("Change mode to %dx%dx%d-%dHz\n",
964 var->xres,
965 var->yres,
966 var->bits_per_pixel,
967 xgifb_info->refresh_rate);
968
969 old_mode = xgifb_info->mode_idx;
970 xgifb_info->mode_idx = 0;
971
972 while ((XGIbios_mode[xgifb_info->mode_idx].mode_no != 0) &&
973 (XGIbios_mode[xgifb_info->mode_idx].xres <= var->xres)) {
974 if ((XGIbios_mode[xgifb_info->mode_idx].xres == var->xres) &&
975 (XGIbios_mode[xgifb_info->mode_idx].yres == var->yres) &&
976 (XGIbios_mode[xgifb_info->mode_idx].bpp
977 == var->bits_per_pixel)) {
978 found_mode = 1;
979 break;
980 }
981 xgifb_info->mode_idx++;
982 }
983
984 if (found_mode)
985 xgifb_info->mode_idx = XGIfb_validate_mode(xgifb_info,
986 xgifb_info->mode_idx);
987 else
988 xgifb_info->mode_idx = -1;
989
990 if (xgifb_info->mode_idx < 0) {
991 pr_err("Mode %dx%dx%d not supported\n",
992 var->xres, var->yres, var->bits_per_pixel);
993 xgifb_info->mode_idx = old_mode;
994 return -EINVAL;
995 }
996
997 if (XGIfb_search_refresh_rate(xgifb_info,
998 xgifb_info->refresh_rate) == 0) {
999 xgifb_info->rate_idx = 1;
1000 xgifb_info->refresh_rate = 60;
1001 }
1002
1003 if (isactive) {
1004
1005 XGIfb_pre_setmode(xgifb_info);
1006 if (XGISetModeNew(xgifb_info, hw_info,
1007 XGIbios_mode[xgifb_info->mode_idx].mode_no)
1008 == 0) {
1009 pr_err("Setting mode[0x%x] failed\n",
1010 XGIbios_mode[xgifb_info->mode_idx].mode_no);
1011 return -EINVAL;
1012 }
1013 info->fix.line_length = ((info->var.xres_virtual
1014 * info->var.bits_per_pixel) >> 6);
1015
1016 xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD);
1017
1018 xgifb_reg_set(XGICR, 0x13, (info->fix.line_length & 0x00ff));
1019 xgifb_reg_set(XGISR,
1020 0x0E,
1021 (info->fix.line_length & 0xff00) >> 8);
1022
1023 XGIfb_post_setmode(xgifb_info);
1024
1025 pr_debug("Set new mode: %dx%dx%d-%d\n",
1026 XGIbios_mode[xgifb_info->mode_idx].xres,
1027 XGIbios_mode[xgifb_info->mode_idx].yres,
1028 XGIbios_mode[xgifb_info->mode_idx].bpp,
1029 xgifb_info->refresh_rate);
1030
1031 xgifb_info->video_bpp = XGIbios_mode[xgifb_info->mode_idx].bpp;
1032 xgifb_info->video_vwidth = info->var.xres_virtual;
1033 xgifb_info->video_width =
1034 XGIbios_mode[xgifb_info->mode_idx].xres;
1035 xgifb_info->video_vheight = info->var.yres_virtual;
1036 xgifb_info->video_height =
1037 XGIbios_mode[xgifb_info->mode_idx].yres;
1038 xgifb_info->org_x = xgifb_info->org_y = 0;
1039 xgifb_info->video_linelength = info->var.xres_virtual
1040 * (xgifb_info->video_bpp >> 3);
1041 switch (xgifb_info->video_bpp) {
1042 case 8:
1043 xgifb_info->DstColor = 0x0000;
1044 xgifb_info->XGI310_AccelDepth = 0x00000000;
1045 xgifb_info->video_cmap_len = 256;
1046 #if defined(__powerpc__)
1047 cr_data = xgifb_reg_get(XGICR, 0x4D);
1048 xgifb_reg_set(XGICR, 0x4D, (cr_data & 0xE0));
1049 #endif
1050 break;
1051 case 16:
1052 xgifb_info->DstColor = 0x8000;
1053 xgifb_info->XGI310_AccelDepth = 0x00010000;
1054 #if defined(__powerpc__)
1055 cr_data = xgifb_reg_get(XGICR, 0x4D);
1056 xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x0B));
1057 #endif
1058 xgifb_info->video_cmap_len = 16;
1059 break;
1060 case 32:
1061 xgifb_info->DstColor = 0xC000;
1062 xgifb_info->XGI310_AccelDepth = 0x00020000;
1063 xgifb_info->video_cmap_len = 16;
1064 #if defined(__powerpc__)
1065 cr_data = xgifb_reg_get(XGICR, 0x4D);
1066 xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x15));
1067 #endif
1068 break;
1069 default:
1070 xgifb_info->video_cmap_len = 16;
1071 pr_err("Unsupported depth %d\n",
1072 xgifb_info->video_bpp);
1073 break;
1074 }
1075 }
1076 XGIfb_bpp_to_var(xgifb_info, var); /*update ARGB info*/
1077
1078 dumpVGAReg();
1079 return 0;
1080 }
1081
1082 static int XGIfb_pan_var(struct fb_var_screeninfo *var, struct fb_info *info)
1083 {
1084 struct xgifb_video_info *xgifb_info = info->par;
1085 unsigned int base;
1086
1087 base = var->yoffset * info->var.xres_virtual + var->xoffset;
1088
1089 /* calculate base bpp dep. */
1090 switch (info->var.bits_per_pixel) {
1091 case 16:
1092 base >>= 1;
1093 break;
1094 case 32:
1095 break;
1096 case 8:
1097 default:
1098 base >>= 2;
1099 break;
1100 }
1101
1102 xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD);
1103
1104 xgifb_reg_set(XGICR, 0x0D, base & 0xFF);
1105 xgifb_reg_set(XGICR, 0x0C, (base >> 8) & 0xFF);
1106 xgifb_reg_set(XGISR, 0x0D, (base >> 16) & 0xFF);
1107 xgifb_reg_set(XGISR, 0x37, (base >> 24) & 0x03);
1108 xgifb_reg_and_or(XGISR, 0x37, 0xDF, (base >> 21) & 0x04);
1109
1110 if (xgifb_info->display2 != XGIFB_DISP_NONE) {
1111 xgifb_reg_or(XGIPART1, SIS_CRT2_WENABLE_315, 0x01);
1112 xgifb_reg_set(XGIPART1, 0x06, (base & 0xFF));
1113 xgifb_reg_set(XGIPART1, 0x05, ((base >> 8) & 0xFF));
1114 xgifb_reg_set(XGIPART1, 0x04, ((base >> 16) & 0xFF));
1115 xgifb_reg_and_or(XGIPART1,
1116 0x02,
1117 0x7F,
1118 ((base >> 24) & 0x01) << 7);
1119 }
1120 return 0;
1121 }
1122
1123 static int XGIfb_open(struct fb_info *info, int user)
1124 {
1125 return 0;
1126 }
1127
1128 static int XGIfb_release(struct fb_info *info, int user)
1129 {
1130 return 0;
1131 }
1132
1133 /* similar to sisfb_get_cmap_len */
1134 static int XGIfb_get_cmap_len(const struct fb_var_screeninfo *var)
1135 {
1136 return (var->bits_per_pixel == 8) ? 256 : 16;
1137 }
1138
1139 static int XGIfb_setcolreg(unsigned regno, unsigned red, unsigned green,
1140 unsigned blue, unsigned transp, struct fb_info *info)
1141 {
1142 struct xgifb_video_info *xgifb_info = info->par;
1143
1144 if (regno >= XGIfb_get_cmap_len(&info->var))
1145 return 1;
1146
1147 switch (info->var.bits_per_pixel) {
1148 case 8:
1149 outb(regno, XGIDACA);
1150 outb((red >> 10), XGIDACD);
1151 outb((green >> 10), XGIDACD);
1152 outb((blue >> 10), XGIDACD);
1153 if (xgifb_info->display2 != XGIFB_DISP_NONE) {
1154 outb(regno, XGIDAC2A);
1155 outb((red >> 8), XGIDAC2D);
1156 outb((green >> 8), XGIDAC2D);
1157 outb((blue >> 8), XGIDAC2D);
1158 }
1159 break;
1160 case 16:
1161 ((u32 *) (info->pseudo_palette))[regno] = ((red & 0xf800))
1162 | ((green & 0xfc00) >> 5) | ((blue & 0xf800)
1163 >> 11);
1164 break;
1165 case 32:
1166 red >>= 8;
1167 green >>= 8;
1168 blue >>= 8;
1169 ((u32 *) (info->pseudo_palette))[regno] = (red << 16) | (green
1170 << 8) | (blue);
1171 break;
1172 }
1173 return 0;
1174 }
1175
1176 /* ----------- FBDev related routines for all series ---------- */
1177
1178 static int XGIfb_get_fix(struct fb_fix_screeninfo *fix, int con,
1179 struct fb_info *info)
1180 {
1181 struct xgifb_video_info *xgifb_info = info->par;
1182
1183 memset(fix, 0, sizeof(struct fb_fix_screeninfo));
1184
1185 strncpy(fix->id, "XGI", sizeof(fix->id) - 1);
1186
1187 /* if register_framebuffer has been called, we must lock */
1188 if (atomic_read(&info->count))
1189 mutex_lock(&info->mm_lock);
1190
1191 fix->smem_start = xgifb_info->video_base;
1192 fix->smem_len = xgifb_info->video_size;
1193
1194 /* if register_framebuffer has been called, we can unlock */
1195 if (atomic_read(&info->count))
1196 mutex_unlock(&info->mm_lock);
1197
1198 fix->type = FB_TYPE_PACKED_PIXELS;
1199 fix->type_aux = 0;
1200 if (xgifb_info->video_bpp == 8)
1201 fix->visual = FB_VISUAL_PSEUDOCOLOR;
1202 else
1203 fix->visual = FB_VISUAL_DIRECTCOLOR;
1204 fix->xpanstep = 0;
1205 if (XGIfb_ypan)
1206 fix->ypanstep = 1;
1207 fix->ywrapstep = 0;
1208 fix->line_length = xgifb_info->video_linelength;
1209 fix->mmio_start = xgifb_info->mmio_base;
1210 fix->mmio_len = xgifb_info->mmio_size;
1211 fix->accel = FB_ACCEL_SIS_XABRE;
1212
1213 return 0;
1214 }
1215
1216 static int XGIfb_set_par(struct fb_info *info)
1217 {
1218 int err;
1219
1220 err = XGIfb_do_set_var(&info->var, 1, info);
1221 if (err)
1222 return err;
1223 XGIfb_get_fix(&info->fix, -1, info);
1224 return 0;
1225 }
1226
1227 static int XGIfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
1228 {
1229 struct xgifb_video_info *xgifb_info = info->par;
1230 unsigned int htotal = var->left_margin + var->xres + var->right_margin
1231 + var->hsync_len;
1232 unsigned int vtotal = 0;
1233 unsigned int drate = 0, hrate = 0;
1234 int found_mode = 0;
1235 int refresh_rate, search_idx;
1236
1237 if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED) {
1238 vtotal = var->upper_margin + var->yres + var->lower_margin
1239 + var->vsync_len;
1240 vtotal <<= 1;
1241 } else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) {
1242 vtotal = var->upper_margin + var->yres + var->lower_margin
1243 + var->vsync_len;
1244 vtotal <<= 2;
1245 } else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
1246 vtotal = var->upper_margin + (var->yres / 2)
1247 + var->lower_margin + var->vsync_len;
1248 } else
1249 vtotal = var->upper_margin + var->yres + var->lower_margin
1250 + var->vsync_len;
1251
1252 if (!(htotal) || !(vtotal)) {
1253 pr_debug("No valid timing data\n");
1254 return -EINVAL;
1255 }
1256
1257 if (var->pixclock && htotal && vtotal) {
1258 drate = 1000000000 / var->pixclock;
1259 hrate = (drate * 1000) / htotal;
1260 xgifb_info->refresh_rate =
1261 (unsigned int) (hrate * 2 / vtotal);
1262 pr_debug(
1263 "%s: pixclock = %d ,htotal=%d, vtotal=%d\n"
1264 "%s: drate=%d, hrate=%d, refresh_rate=%d\n",
1265 __func__, var->pixclock, htotal, vtotal,
1266 __func__, drate, hrate, xgifb_info->refresh_rate);
1267 } else {
1268 xgifb_info->refresh_rate = 60;
1269 }
1270
1271 /* Calculation wrong for 1024x600 - force it to 60Hz */
1272 if ((var->xres == 1024) && (var->yres == 600))
1273 refresh_rate = 60;
1274
1275 search_idx = 0;
1276 while ((XGIbios_mode[search_idx].mode_no != 0) &&
1277 (XGIbios_mode[search_idx].xres <= var->xres)) {
1278 if ((XGIbios_mode[search_idx].xres == var->xres) &&
1279 (XGIbios_mode[search_idx].yres == var->yres) &&
1280 (XGIbios_mode[search_idx].bpp == var->bits_per_pixel)) {
1281 if (XGIfb_validate_mode(xgifb_info, search_idx) > 0) {
1282 found_mode = 1;
1283 break;
1284 }
1285 }
1286 search_idx++;
1287 }
1288
1289 if (!found_mode) {
1290
1291 pr_err("%dx%dx%d is no valid mode\n",
1292 var->xres, var->yres, var->bits_per_pixel);
1293 search_idx = 0;
1294 while (XGIbios_mode[search_idx].mode_no != 0) {
1295 if ((var->xres <= XGIbios_mode[search_idx].xres) &&
1296 (var->yres <= XGIbios_mode[search_idx].yres) &&
1297 (var->bits_per_pixel ==
1298 XGIbios_mode[search_idx].bpp)) {
1299 if (XGIfb_validate_mode(xgifb_info,
1300 search_idx) > 0) {
1301 found_mode = 1;
1302 break;
1303 }
1304 }
1305 search_idx++;
1306 }
1307 if (found_mode) {
1308 var->xres = XGIbios_mode[search_idx].xres;
1309 var->yres = XGIbios_mode[search_idx].yres;
1310 pr_debug("Adapted to mode %dx%dx%d\n",
1311 var->xres, var->yres, var->bits_per_pixel);
1312
1313 } else {
1314 pr_err("Failed to find similar mode to %dx%dx%d\n",
1315 var->xres, var->yres, var->bits_per_pixel);
1316 return -EINVAL;
1317 }
1318 }
1319
1320 /* Adapt RGB settings */
1321 XGIfb_bpp_to_var(xgifb_info, var);
1322
1323 if (!XGIfb_ypan) {
1324 if (var->xres != var->xres_virtual)
1325 var->xres_virtual = var->xres;
1326 if (var->yres != var->yres_virtual)
1327 var->yres_virtual = var->yres;
1328 }
1329
1330 /* Truncate offsets to maximum if too high */
1331 if (var->xoffset > var->xres_virtual - var->xres)
1332 var->xoffset = var->xres_virtual - var->xres - 1;
1333
1334 if (var->yoffset > var->yres_virtual - var->yres)
1335 var->yoffset = var->yres_virtual - var->yres - 1;
1336
1337 /* Set everything else to 0 */
1338 var->red.msb_right =
1339 var->green.msb_right =
1340 var->blue.msb_right =
1341 var->transp.offset = var->transp.length = var->transp.msb_right = 0;
1342
1343 return 0;
1344 }
1345
1346 static int XGIfb_pan_display(struct fb_var_screeninfo *var,
1347 struct fb_info *info)
1348 {
1349 int err;
1350
1351 if (var->xoffset > (info->var.xres_virtual - info->var.xres))
1352 return -EINVAL;
1353 if (var->yoffset > (info->var.yres_virtual - info->var.yres))
1354 return -EINVAL;
1355
1356 if (var->vmode & FB_VMODE_YWRAP) {
1357 if (var->yoffset >= info->var.yres_virtual || var->xoffset)
1358 return -EINVAL;
1359 } else if (var->xoffset + info->var.xres > info->var.xres_virtual
1360 || var->yoffset + info->var.yres
1361 > info->var.yres_virtual) {
1362 return -EINVAL;
1363 }
1364 err = XGIfb_pan_var(var, info);
1365 if (err < 0)
1366 return err;
1367
1368 info->var.xoffset = var->xoffset;
1369 info->var.yoffset = var->yoffset;
1370 if (var->vmode & FB_VMODE_YWRAP)
1371 info->var.vmode |= FB_VMODE_YWRAP;
1372 else
1373 info->var.vmode &= ~FB_VMODE_YWRAP;
1374
1375 return 0;
1376 }
1377
1378 static int XGIfb_blank(int blank, struct fb_info *info)
1379 {
1380 struct xgifb_video_info *xgifb_info = info->par;
1381 u8 reg;
1382
1383 reg = xgifb_reg_get(XGICR, 0x17);
1384
1385 if (blank > 0)
1386 reg &= 0x7f;
1387 else
1388 reg |= 0x80;
1389
1390 xgifb_reg_set(XGICR, 0x17, reg);
1391 xgifb_reg_set(XGISR, 0x00, 0x01); /* Synchronous Reset */
1392 xgifb_reg_set(XGISR, 0x00, 0x03); /* End Reset */
1393 return 0;
1394 }
1395
1396 static struct fb_ops XGIfb_ops = {
1397 .owner = THIS_MODULE,
1398 .fb_open = XGIfb_open,
1399 .fb_release = XGIfb_release,
1400 .fb_check_var = XGIfb_check_var,
1401 .fb_set_par = XGIfb_set_par,
1402 .fb_setcolreg = XGIfb_setcolreg,
1403 .fb_pan_display = XGIfb_pan_display,
1404 .fb_blank = XGIfb_blank,
1405 .fb_fillrect = cfb_fillrect,
1406 .fb_copyarea = cfb_copyarea,
1407 .fb_imageblit = cfb_imageblit,
1408 };
1409
1410 /* ---------------- Chip generation dependent routines ---------------- */
1411
1412 /* for XGI 315/550/650/740/330 */
1413
1414 static int XGIfb_get_dram_size(struct xgifb_video_info *xgifb_info)
1415 {
1416
1417 u8 ChannelNum, tmp;
1418 u8 reg = 0;
1419
1420 /* xorg driver sets 32MB * 1 channel */
1421 if (xgifb_info->chip == XG27)
1422 xgifb_reg_set(XGISR, IND_SIS_DRAM_SIZE, 0x51);
1423
1424 reg = xgifb_reg_get(XGISR, IND_SIS_DRAM_SIZE);
1425 if (!reg)
1426 return -1;
1427
1428 switch ((reg & XGI_DRAM_SIZE_MASK) >> 4) {
1429 case XGI_DRAM_SIZE_1MB:
1430 xgifb_info->video_size = 0x100000;
1431 break;
1432 case XGI_DRAM_SIZE_2MB:
1433 xgifb_info->video_size = 0x200000;
1434 break;
1435 case XGI_DRAM_SIZE_4MB:
1436 xgifb_info->video_size = 0x400000;
1437 break;
1438 case XGI_DRAM_SIZE_8MB:
1439 xgifb_info->video_size = 0x800000;
1440 break;
1441 case XGI_DRAM_SIZE_16MB:
1442 xgifb_info->video_size = 0x1000000;
1443 break;
1444 case XGI_DRAM_SIZE_32MB:
1445 xgifb_info->video_size = 0x2000000;
1446 break;
1447 case XGI_DRAM_SIZE_64MB:
1448 xgifb_info->video_size = 0x4000000;
1449 break;
1450 case XGI_DRAM_SIZE_128MB:
1451 xgifb_info->video_size = 0x8000000;
1452 break;
1453 case XGI_DRAM_SIZE_256MB:
1454 xgifb_info->video_size = 0x10000000;
1455 break;
1456 default:
1457 return -1;
1458 }
1459
1460 tmp = (reg & 0x0c) >> 2;
1461 switch (xgifb_info->chip) {
1462 case XG20:
1463 case XG21:
1464 case XG27:
1465 ChannelNum = 1;
1466 break;
1467
1468 case XG42:
1469 if (reg & 0x04)
1470 ChannelNum = 2;
1471 else
1472 ChannelNum = 1;
1473 break;
1474
1475 case XG40:
1476 default:
1477 if (tmp == 2)
1478 ChannelNum = 2;
1479 else if (tmp == 3)
1480 ChannelNum = 3;
1481 else
1482 ChannelNum = 1;
1483 break;
1484 }
1485
1486 xgifb_info->video_size = xgifb_info->video_size * ChannelNum;
1487
1488 pr_info("SR14=%x DramSzie %x ChannelNum %x\n",
1489 reg,
1490 xgifb_info->video_size, ChannelNum);
1491 return 0;
1492
1493 }
1494
1495 static void XGIfb_detect_VB(struct xgifb_video_info *xgifb_info)
1496 {
1497 u8 cr32, temp = 0;
1498
1499 xgifb_info->TV_plug = xgifb_info->TV_type = 0;
1500
1501 cr32 = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR32);
1502
1503 if ((cr32 & SIS_CRT1) && !XGIfb_crt1off)
1504 XGIfb_crt1off = 0;
1505 else {
1506 if (cr32 & 0x5F)
1507 XGIfb_crt1off = 1;
1508 else
1509 XGIfb_crt1off = 0;
1510 }
1511
1512 if (!xgifb_info->display2_force) {
1513 if (cr32 & SIS_VB_TV)
1514 xgifb_info->display2 = XGIFB_DISP_TV;
1515 else if (cr32 & SIS_VB_LCD)
1516 xgifb_info->display2 = XGIFB_DISP_LCD;
1517 else if (cr32 & SIS_VB_CRT2)
1518 xgifb_info->display2 = XGIFB_DISP_CRT;
1519 else
1520 xgifb_info->display2 = XGIFB_DISP_NONE;
1521 }
1522
1523 if (XGIfb_tvplug != -1)
1524 /* Override with option */
1525 xgifb_info->TV_plug = XGIfb_tvplug;
1526 else if (cr32 & SIS_VB_HIVISION) {
1527 xgifb_info->TV_type = TVMODE_HIVISION;
1528 xgifb_info->TV_plug = TVPLUG_SVIDEO;
1529 } else if (cr32 & SIS_VB_SVIDEO)
1530 xgifb_info->TV_plug = TVPLUG_SVIDEO;
1531 else if (cr32 & SIS_VB_COMPOSITE)
1532 xgifb_info->TV_plug = TVPLUG_COMPOSITE;
1533 else if (cr32 & SIS_VB_SCART)
1534 xgifb_info->TV_plug = TVPLUG_SCART;
1535
1536 if (xgifb_info->TV_type == 0) {
1537 temp = xgifb_reg_get(XGICR, 0x38);
1538 if (temp & 0x10)
1539 xgifb_info->TV_type = TVMODE_PAL;
1540 else
1541 xgifb_info->TV_type = TVMODE_NTSC;
1542 }
1543
1544 /* Copy forceCRT1 option to CRT1off if option is given */
1545 if (XGIfb_forcecrt1 != -1) {
1546 if (XGIfb_forcecrt1)
1547 XGIfb_crt1off = 0;
1548 else
1549 XGIfb_crt1off = 1;
1550 }
1551 }
1552
1553 static int XGIfb_has_VB(struct xgifb_video_info *xgifb_info)
1554 {
1555 u8 vb_chipid;
1556
1557 vb_chipid = xgifb_reg_get(XGIPART4, 0x00);
1558 switch (vb_chipid) {
1559 case 0x01:
1560 xgifb_info->hasVB = HASVB_301;
1561 break;
1562 case 0x02:
1563 xgifb_info->hasVB = HASVB_302;
1564 break;
1565 default:
1566 xgifb_info->hasVB = HASVB_NONE;
1567 return 0;
1568 }
1569 return 1;
1570 }
1571
1572 static void XGIfb_get_VB_type(struct xgifb_video_info *xgifb_info)
1573 {
1574 u8 reg;
1575
1576 if (!XGIfb_has_VB(xgifb_info)) {
1577 reg = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR37);
1578 switch ((reg & SIS_EXTERNAL_CHIP_MASK) >> 1) {
1579 case SIS_EXTERNAL_CHIP_LVDS:
1580 xgifb_info->hasVB = HASVB_LVDS;
1581 break;
1582 case SIS_EXTERNAL_CHIP_LVDS_CHRONTEL:
1583 xgifb_info->hasVB = HASVB_LVDS_CHRONTEL;
1584 break;
1585 default:
1586 break;
1587 }
1588 }
1589 }
1590
1591 static int __init xgifb_optval(char *fullopt, int validx)
1592 {
1593 unsigned long lres;
1594
1595 if (kstrtoul(fullopt + validx, 0, &lres) < 0 || lres > INT_MAX) {
1596 pr_err("Invalid value for option: %s\n", fullopt);
1597 return 0;
1598 }
1599 return lres;
1600 }
1601
1602 static int __init XGIfb_setup(char *options)
1603 {
1604 char *this_opt;
1605
1606 if (!options || !*options)
1607 return 0;
1608
1609 pr_info("Options: %s\n", options);
1610
1611 while ((this_opt = strsep(&options, ",")) != NULL) {
1612
1613 if (!*this_opt)
1614 continue;
1615
1616 if (!strncmp(this_opt, "mode:", 5)) {
1617 mode = this_opt + 5;
1618 } else if (!strncmp(this_opt, "vesa:", 5)) {
1619 vesa = xgifb_optval(this_opt, 5);
1620 } else if (!strncmp(this_opt, "vrate:", 6)) {
1621 refresh_rate = xgifb_optval(this_opt, 6);
1622 } else if (!strncmp(this_opt, "rate:", 5)) {
1623 refresh_rate = xgifb_optval(this_opt, 5);
1624 } else if (!strncmp(this_opt, "crt1off", 7)) {
1625 XGIfb_crt1off = 1;
1626 } else if (!strncmp(this_opt, "filter:", 7)) {
1627 filter = xgifb_optval(this_opt, 7);
1628 } else if (!strncmp(this_opt, "forcecrt2type:", 14)) {
1629 XGIfb_search_crt2type(this_opt + 14);
1630 } else if (!strncmp(this_opt, "forcecrt1:", 10)) {
1631 XGIfb_forcecrt1 = xgifb_optval(this_opt, 10);
1632 } else if (!strncmp(this_opt, "tvmode:", 7)) {
1633 XGIfb_search_tvstd(this_opt + 7);
1634 } else if (!strncmp(this_opt, "tvstandard:", 11)) {
1635 XGIfb_search_tvstd(this_opt + 7);
1636 } else if (!strncmp(this_opt, "dstn", 4)) {
1637 enable_dstn = 1;
1638 /* DSTN overrules forcecrt2type */
1639 XGIfb_crt2type = XGIFB_DISP_LCD;
1640 } else if (!strncmp(this_opt, "noypan", 6)) {
1641 XGIfb_ypan = 0;
1642 } else {
1643 mode = this_opt;
1644 }
1645 }
1646 return 0;
1647 }
1648
1649 static int xgifb_probe(struct pci_dev *pdev,
1650 const struct pci_device_id *ent)
1651 {
1652 u8 reg, reg1;
1653 u8 CR48, CR38;
1654 int ret;
1655 struct fb_info *fb_info;
1656 struct xgifb_video_info *xgifb_info;
1657 struct xgi_hw_device_info *hw_info;
1658 unsigned long video_size_max;
1659
1660 fb_info = framebuffer_alloc(sizeof(*xgifb_info), &pdev->dev);
1661 if (!fb_info)
1662 return -ENOMEM;
1663
1664 xgifb_info = fb_info->par;
1665 hw_info = &xgifb_info->hw_info;
1666 xgifb_info->fb_info = fb_info;
1667 xgifb_info->chip_id = pdev->device;
1668 pci_read_config_byte(pdev,
1669 PCI_REVISION_ID,
1670 &xgifb_info->revision_id);
1671 hw_info->jChipRevision = xgifb_info->revision_id;
1672
1673 xgifb_info->pcibus = pdev->bus->number;
1674 xgifb_info->pcislot = PCI_SLOT(pdev->devfn);
1675 xgifb_info->pcifunc = PCI_FUNC(pdev->devfn);
1676 xgifb_info->subsysvendor = pdev->subsystem_vendor;
1677 xgifb_info->subsysdevice = pdev->subsystem_device;
1678
1679 video_size_max = pci_resource_len(pdev, 0);
1680 xgifb_info->video_base = pci_resource_start(pdev, 0);
1681 xgifb_info->mmio_base = pci_resource_start(pdev, 1);
1682 xgifb_info->mmio_size = pci_resource_len(pdev, 1);
1683 xgifb_info->vga_base = pci_resource_start(pdev, 2) + 0x30;
1684 dev_info(&pdev->dev, "Relocate IO address: %Lx [%08lx]\n",
1685 (u64) pci_resource_start(pdev, 2),
1686 xgifb_info->vga_base);
1687
1688 if (pci_enable_device(pdev)) {
1689 ret = -EIO;
1690 goto error;
1691 }
1692
1693 if (XGIfb_crt2type != -1) {
1694 xgifb_info->display2 = XGIfb_crt2type;
1695 xgifb_info->display2_force = true;
1696 }
1697
1698 XGIRegInit(&xgifb_info->dev_info, xgifb_info->vga_base);
1699
1700 xgifb_reg_set(XGISR, IND_SIS_PASSWORD, SIS_PASSWORD);
1701 reg1 = xgifb_reg_get(XGISR, IND_SIS_PASSWORD);
1702
1703 if (reg1 != 0xa1) { /*I/O error */
1704 dev_err(&pdev->dev, "I/O error\n");
1705 ret = -EIO;
1706 goto error_disable;
1707 }
1708
1709 switch (xgifb_info->chip_id) {
1710 case PCI_DEVICE_ID_XGI_20:
1711 xgifb_reg_or(XGICR, Index_CR_GPIO_Reg3, GPIOG_EN);
1712 CR48 = xgifb_reg_get(XGICR, Index_CR_GPIO_Reg1);
1713 if (CR48&GPIOG_READ)
1714 xgifb_info->chip = XG21;
1715 else
1716 xgifb_info->chip = XG20;
1717 break;
1718 case PCI_DEVICE_ID_XGI_40:
1719 xgifb_info->chip = XG40;
1720 break;
1721 case PCI_DEVICE_ID_XGI_42:
1722 xgifb_info->chip = XG42;
1723 break;
1724 case PCI_DEVICE_ID_XGI_27:
1725 xgifb_info->chip = XG27;
1726 break;
1727 default:
1728 ret = -ENODEV;
1729 goto error_disable;
1730 }
1731
1732 dev_info(&pdev->dev, "chipid = %x\n", xgifb_info->chip);
1733 hw_info->jChipType = xgifb_info->chip;
1734
1735 if (XGIfb_get_dram_size(xgifb_info)) {
1736 xgifb_info->video_size = min_t(unsigned long, video_size_max,
1737 SZ_16M);
1738 } else if (xgifb_info->video_size > video_size_max) {
1739 xgifb_info->video_size = video_size_max;
1740 }
1741
1742 /* Enable PCI_LINEAR_ADDRESSING and MMIO_ENABLE */
1743 xgifb_reg_or(XGISR,
1744 IND_SIS_PCI_ADDRESS_SET,
1745 (SIS_PCI_ADDR_ENABLE | SIS_MEM_MAP_IO_ENABLE));
1746 /* Enable 2D accelerator engine */
1747 xgifb_reg_or(XGISR, IND_SIS_MODULE_ENABLE, SIS_ENABLE_2D);
1748
1749 hw_info->ulVideoMemorySize = xgifb_info->video_size;
1750
1751 if (!request_mem_region(xgifb_info->video_base,
1752 xgifb_info->video_size,
1753 "XGIfb FB")) {
1754 dev_err(&pdev->dev, "Unable request memory size %x\n",
1755 xgifb_info->video_size);
1756 dev_err(&pdev->dev,
1757 "Fatal error: Unable to reserve frame buffer memory. "
1758 "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 xgifb_info->rate_idx));
1985
1986 if (XGIfb_mode_rate_to_ddata(&xgifb_info->dev_info, hw_info,
1987 XGIbios_mode[xgifb_info->mode_idx].mode_no,
1988 xgifb_info->rate_idx,
1989 &fb_info->var.left_margin,
1990 &fb_info->var.right_margin,
1991 &fb_info->var.upper_margin,
1992 &fb_info->var.lower_margin,
1993 &fb_info->var.hsync_len,
1994 &fb_info->var.vsync_len,
1995 &fb_info->var.sync,
1996 &fb_info->var.vmode)) {
1997
1998 if ((fb_info->var.vmode & FB_VMODE_MASK) ==
1999 FB_VMODE_INTERLACED) {
2000 fb_info->var.yres <<= 1;
2001 fb_info->var.yres_virtual <<= 1;
2002 } else if ((fb_info->var.vmode & FB_VMODE_MASK) ==
2003 FB_VMODE_DOUBLE) {
2004 fb_info->var.pixclock >>= 1;
2005 fb_info->var.yres >>= 1;
2006 fb_info->var.yres_virtual >>= 1;
2007 }
2008
2009 }
2010
2011 fb_info->flags = FBINFO_FLAG_DEFAULT;
2012 fb_info->screen_base = xgifb_info->video_vbase;
2013 fb_info->fbops = &XGIfb_ops;
2014 XGIfb_get_fix(&fb_info->fix, -1, fb_info);
2015 fb_info->pseudo_palette = xgifb_info->pseudo_palette;
2016
2017 fb_alloc_cmap(&fb_info->cmap, 256 , 0);
2018
2019 #ifdef CONFIG_MTRR
2020 xgifb_info->mtrr = mtrr_add(xgifb_info->video_base,
2021 xgifb_info->video_size, MTRR_TYPE_WRCOMB, 1);
2022 if (xgifb_info->mtrr >= 0)
2023 dev_info(&pdev->dev, "Added MTRR\n");
2024 #endif
2025
2026 if (register_framebuffer(fb_info) < 0) {
2027 ret = -EINVAL;
2028 goto error_mtrr;
2029 }
2030
2031 dumpVGAReg();
2032
2033 return 0;
2034
2035 error_mtrr:
2036 #ifdef CONFIG_MTRR
2037 if (xgifb_info->mtrr >= 0)
2038 mtrr_del(xgifb_info->mtrr, xgifb_info->video_base,
2039 xgifb_info->video_size);
2040 #endif /* CONFIG_MTRR */
2041 error_1:
2042 iounmap(xgifb_info->mmio_vbase);
2043 iounmap(xgifb_info->video_vbase);
2044 release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
2045 error_0:
2046 release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
2047 error_disable:
2048 pci_disable_device(pdev);
2049 error:
2050 framebuffer_release(fb_info);
2051 return ret;
2052 }
2053
2054 /*****************************************************/
2055 /* PCI DEVICE HANDLING */
2056 /*****************************************************/
2057
2058 static void xgifb_remove(struct pci_dev *pdev)
2059 {
2060 struct xgifb_video_info *xgifb_info = pci_get_drvdata(pdev);
2061 struct fb_info *fb_info = xgifb_info->fb_info;
2062
2063 unregister_framebuffer(fb_info);
2064 #ifdef CONFIG_MTRR
2065 if (xgifb_info->mtrr >= 0)
2066 mtrr_del(xgifb_info->mtrr, xgifb_info->video_base,
2067 xgifb_info->video_size);
2068 #endif /* CONFIG_MTRR */
2069 iounmap(xgifb_info->mmio_vbase);
2070 iounmap(xgifb_info->video_vbase);
2071 release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
2072 release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
2073 pci_disable_device(pdev);
2074 framebuffer_release(fb_info);
2075 pci_set_drvdata(pdev, NULL);
2076 }
2077
2078 static struct pci_driver xgifb_driver = {
2079 .name = "xgifb",
2080 .id_table = xgifb_pci_table,
2081 .probe = xgifb_probe,
2082 .remove = xgifb_remove
2083 };
2084
2085
2086
2087 /*****************************************************/
2088 /* MODULE */
2089 /*****************************************************/
2090
2091 module_param(mode, charp, 0);
2092 MODULE_PARM_DESC(mode,
2093 "Selects the desired default display mode in the format XxYxDepth "
2094 "(eg. 1024x768x16).");
2095
2096 module_param(forcecrt2type, charp, 0);
2097 MODULE_PARM_DESC(forcecrt2type,
2098 "Force the second display output type. Possible values are NONE, "
2099 "LCD, TV, VGA, SVIDEO or COMPOSITE.");
2100
2101 module_param(vesa, int, 0);
2102 MODULE_PARM_DESC(vesa,
2103 "Selects the desired default display mode by VESA mode number "
2104 "(eg. 0x117).");
2105
2106 module_param(filter, int, 0);
2107 MODULE_PARM_DESC(filter,
2108 "Selects TV flicker filter type (only for systems with a SiS301 video bridge). "
2109 "Possible values 0-7. Default: [no filter]).");
2110
2111 static int __init xgifb_init(void)
2112 {
2113 char *option = NULL;
2114
2115 if (forcecrt2type != NULL)
2116 XGIfb_search_crt2type(forcecrt2type);
2117 if (fb_get_options("xgifb", &option))
2118 return -ENODEV;
2119 XGIfb_setup(option);
2120
2121 return pci_register_driver(&xgifb_driver);
2122 }
2123
2124 static void __exit xgifb_remove_module(void)
2125 {
2126 pci_unregister_driver(&xgifb_driver);
2127 pr_debug("Module unloaded\n");
2128 }
2129
2130 MODULE_DESCRIPTION("Z7 Z9 Z9S Z11 framebuffer device driver");
2131 MODULE_LICENSE("GPL");
2132 MODULE_AUTHOR("XGITECH , Others");
2133 module_init(xgifb_init);
2134 module_exit(xgifb_remove_module);
kernel source for telekom puls (alcatel/mediatek)