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staging: xgifb: delete CRT1 state
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / staging / xgifb / XGI_main_26.c
blob03b6f78a667d1db1e1d67af49e93abef3745a7f5
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 /* #include <linux/config.h> */
8 #include <linux/module.h>
9 #include <linux/moduleparam.h>
10 #include <linux/kernel.h>
11 #include <linux/spinlock.h>
12 #include <linux/errno.h>
13 #include <linux/string.h>
14 #include <linux/mm.h>
15 #include <linux/tty.h>
16 #include <linux/slab.h>
17 #include <linux/delay.h>
18 #include <linux/fb.h>
19 #include <linux/console.h>
20 #include <linux/selection.h>
21 #include <linux/ioport.h>
22 #include <linux/init.h>
23 #include <linux/pci.h>
24 #include <linux/vmalloc.h>
25 #include <linux/vt_kern.h>
26 #include <linux/capability.h>
27 #include <linux/fs.h>
28 #include <linux/types.h>
29 #include <linux/proc_fs.h>
30
31 #include <linux/io.h>
32 #ifdef CONFIG_MTRR
33 #include <asm/mtrr.h>
34 #endif
35
36 #include "XGIfb.h"
37 #include "vgatypes.h"
38 #include "XGI_main.h"
39 #include "vb_init.h"
40 #include "vb_util.h"
41 #include "vb_setmode.h"
42
43 #define Index_CR_GPIO_Reg1 0x48
44 #define Index_CR_GPIO_Reg3 0x4a
45
46 #define GPIOG_EN (1<<6)
47 #define GPIOG_READ (1<<1)
48
49 #define XGIFB_ROM_SIZE 65536
50
51 static char *mode;
52 static int vesa = -1;
53 static unsigned int refresh_rate;
54
55 /* -------------------- Macro definitions ---------------------------- */
56
57 #undef XGIFBDEBUG
58
59 #ifdef XGIFBDEBUG
60 #define DPRINTK(fmt, args...) printk(KERN_DEBUG "%s: " fmt, __FUNCTION__ , ## args)
61 #else
62 #define DPRINTK(fmt, args...)
63 #endif
64
65 #ifdef XGIFBDEBUG
66 static void dumpVGAReg(void)
67 {
68 u8 i, reg;
69
70 xgifb_reg_set(XGISR, 0x05, 0x86);
71 /*
72 xgifb_reg_set(XGISR, 0x08, 0x4f);
73 xgifb_reg_set(XGISR, 0x0f, 0x20);
74 xgifb_reg_set(XGISR, 0x11, 0x4f);
75 xgifb_reg_set(XGISR, 0x13, 0x45);
76 xgifb_reg_set(XGISR, 0x14, 0x51);
77 xgifb_reg_set(XGISR, 0x1e, 0x41);
78 xgifb_reg_set(XGISR, 0x1f, 0x0);
79 xgifb_reg_set(XGISR, 0x20, 0xa1);
80 xgifb_reg_set(XGISR, 0x22, 0xfb);
81 xgifb_reg_set(XGISR, 0x26, 0x22);
82 xgifb_reg_set(XGISR, 0x3e, 0x07);
83 */
84
85 /* xgifb_reg_set(XGICR, 0x19, 0x00); */
86 /* xgifb_reg_set(XGICR, 0x1a, 0x3C); */
87 /* xgifb_reg_set(XGICR, 0x22, 0xff); */
88 /* xgifb_reg_set(XGICR, 0x3D, 0x10); */
89
90 /* xgifb_reg_set(XGICR, 0x4a, 0xf3); */
91
92 /* xgifb_reg_set(XGICR, 0x57, 0x0); */
93 /* xgifb_reg_set(XGICR, 0x7a, 0x2c); */
94
95 /* xgifb_reg_set(XGICR, 0x82, 0xcc); */
96 /* xgifb_reg_set(XGICR, 0x8c, 0x0); */
97 /*
98 xgifb_reg_set(XGICR, 0x99, 0x1);
99 xgifb_reg_set(XGICR, 0x41, 0x40);
100 */
101
102 for (i = 0; i < 0x4f; i++) {
103 reg = xgifb_reg_get(XGISR, i);
104 printk("\no 3c4 %x", i);
105 printk("\ni 3c5 => %x", reg);
106 }
107
108 for (i = 0; i < 0xF0; i++) {
109 reg = xgifb_reg_get(XGICR, i);
110 printk("\no 3d4 %x", i);
111 printk("\ni 3d5 => %x", reg);
112 }
113 /*
114 xgifb_reg_set(XGIPART1,0x2F,1);
115 for (i=1; i < 0x50; i++) {
116 reg = xgifb_reg_get(XGIPART1, i);
117 printk("\no d004 %x", i);
118 printk("\ni d005 => %x", reg);
119 }
120
121 for (i=0; i < 0x50; i++) {
122 reg = xgifb_reg_get(XGIPART2, i);
123 printk("\no d010 %x", i);
124 printk("\ni d011 => %x", reg);
125 }
126 for (i=0; i < 0x50; i++) {
127 reg = xgifb_reg_get(XGIPART3, i);
128 printk("\no d012 %x",i);
129 printk("\ni d013 => %x",reg);
130 }
131 for (i=0; i < 0x50; i++) {
132 reg = xgifb_reg_get(XGIPART4, i);
133 printk("\no d014 %x",i);
134 printk("\ni d015 => %x",reg);
135 }
136 */
137 }
138 #else
139 static inline void dumpVGAReg(void)
140 {
141 }
142 #endif
143
144 #if 1
145 #define DEBUGPRN(x)
146 #else
147 #define DEBUGPRN(x) printk(KERN_INFO x "\n");
148 #endif
149
150 /* --------------- Hardware Access Routines -------------------------- */
151
152 static int XGIfb_mode_rate_to_dclock(struct vb_device_info *XGI_Pr,
153 struct xgi_hw_device_info *HwDeviceExtension,
154 unsigned char modeno, unsigned char rateindex)
155 {
156 unsigned short ModeNo = modeno;
157 unsigned short ModeIdIndex = 0, ClockIndex = 0;
158 unsigned short RefreshRateTableIndex = 0;
159
160 /* unsigned long temp = 0; */
161 int Clock;
162 XGI_Pr->ROMAddr = HwDeviceExtension->pjVirtualRomBase;
163 InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
164
165 RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
166 ModeIdIndex, XGI_Pr);
167
168 /*
169 temp = XGI_SearchModeID(ModeNo , &ModeIdIndex, XGI_Pr) ;
170 if (!temp) {
171 printk(KERN_ERR "Could not find mode %x\n", ModeNo);
172 return 65000;
173 }
174
175 RefreshRateTableIndex = XGI_Pr->EModeIDTable[ModeIdIndex].REFindex;
176 RefreshRateTableIndex += (rateindex - 1);
177
178 */
179 ClockIndex = XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_CRTVCLK;
180
181 Clock = XGI_Pr->VCLKData[ClockIndex].CLOCK * 1000;
182
183 return Clock;
184 }
185
186 static int XGIfb_mode_rate_to_ddata(struct vb_device_info *XGI_Pr,
187 struct xgi_hw_device_info *HwDeviceExtension,
188 unsigned char modeno, unsigned char rateindex,
189 u32 *left_margin, u32 *right_margin, u32 *upper_margin,
190 u32 *lower_margin, u32 *hsync_len, u32 *vsync_len, u32 *sync,
191 u32 *vmode)
192 {
193 unsigned short ModeNo = modeno;
194 unsigned short ModeIdIndex = 0, index = 0;
195 unsigned short RefreshRateTableIndex = 0;
196
197 unsigned short VRE, VBE, VRS, VBS, VDE, VT;
198 unsigned short HRE, HBE, HRS, HBS, HDE, HT;
199 unsigned char sr_data, cr_data, cr_data2;
200 unsigned long cr_data3;
201 int A, B, C, D, E, F, temp, j;
202 XGI_Pr->ROMAddr = HwDeviceExtension->pjVirtualRomBase;
203 InitTo330Pointer(HwDeviceExtension->jChipType, XGI_Pr);
204 RefreshRateTableIndex = XGI_GetRatePtrCRT2(HwDeviceExtension, ModeNo,
205 ModeIdIndex, XGI_Pr);
206 /*
207 temp = XGI_SearchModeID(ModeNo, &ModeIdIndex, XGI_Pr);
208 if (!temp)
209 return 0;
210
211 RefreshRateTableIndex = XGI_Pr->EModeIDTable[ModeIdIndex].REFindex;
212 RefreshRateTableIndex += (rateindex - 1);
213 */
214 index = XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_CRT1CRTC;
215
216 sr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[5];
217
218 cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[0];
219
220 /* Horizontal total */
221 HT = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x03) << 8);
222 A = HT + 5;
223
224 /*
225 cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[1];
226
227 Horizontal display enable end
228 HDE = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x0C) << 6);
229 */
230 HDE = (XGI_Pr->RefIndex[RefreshRateTableIndex].XRes >> 3) - 1;
231 E = HDE + 1;
232
233 cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[3];
234
235 /* Horizontal retrace (=sync) start */
236 HRS = (cr_data & 0xff) | ((unsigned short) (sr_data & 0xC0) << 2);
237 F = HRS - E - 3;
238
239 cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[1];
240
241 /* Horizontal blank start */
242 HBS = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x30) << 4);
243
244 sr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[6];
245
246 cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[2];
247
248 cr_data2 = XGI_Pr->XGINEWUB_CRT1Table[index].CR[4];
249
250 /* Horizontal blank end */
251 HBE = (cr_data & 0x1f) | ((unsigned short) (cr_data2 & 0x80) >> 2)
252 | ((unsigned short) (sr_data & 0x03) << 6);
253
254 /* Horizontal retrace (=sync) end */
255 HRE = (cr_data2 & 0x1f) | ((sr_data & 0x04) << 3);
256
257 temp = HBE - ((E - 1) & 255);
258 B = (temp > 0) ? temp : (temp + 256);
259
260 temp = HRE - ((E + F + 3) & 63);
261 C = (temp > 0) ? temp : (temp + 64);
262
263 D = B - F - C;
264
265 *left_margin = D * 8;
266 *right_margin = F * 8;
267 *hsync_len = C * 8;
268
269 sr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[14];
270
271 cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[8];
272
273 cr_data2 = XGI_Pr->XGINEWUB_CRT1Table[index].CR[9];
274
275 /* Vertical total */
276 VT = (cr_data & 0xFF) | ((unsigned short) (cr_data2 & 0x01) << 8)
277 | ((unsigned short) (cr_data2 & 0x20) << 4)
278 | ((unsigned short) (sr_data & 0x01) << 10);
279 A = VT + 2;
280
281 /* cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[10]; */
282
283 /* Vertical display enable end */
284 /*
285 VDE = (cr_data & 0xff) |
286 ((unsigned short) (cr_data2 & 0x02) << 7) |
287 ((unsigned short) (cr_data2 & 0x40) << 3) |
288 ((unsigned short) (sr_data & 0x02) << 9);
289 */
290 VDE = XGI_Pr->RefIndex[RefreshRateTableIndex].YRes - 1;
291 E = VDE + 1;
292
293 cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[10];
294
295 /* Vertical retrace (=sync) start */
296 VRS = (cr_data & 0xff) | ((unsigned short) (cr_data2 & 0x04) << 6)
297 | ((unsigned short) (cr_data2 & 0x80) << 2)
298 | ((unsigned short) (sr_data & 0x08) << 7);
299 F = VRS + 1 - E;
300
301 cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[12];
302
303 cr_data3 = (XGI_Pr->XGINEWUB_CRT1Table[index].CR[14] & 0x80) << 5;
304
305 /* Vertical blank start */
306 VBS = (cr_data & 0xff) | ((unsigned short) (cr_data2 & 0x08) << 5)
307 | ((unsigned short) (cr_data3 & 0x20) << 4)
308 | ((unsigned short) (sr_data & 0x04) << 8);
309
310 cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[13];
311
312 /* Vertical blank end */
313 VBE = (cr_data & 0xff) | ((unsigned short) (sr_data & 0x10) << 4);
314 temp = VBE - ((E - 1) & 511);
315 B = (temp > 0) ? temp : (temp + 512);
316
317 cr_data = XGI_Pr->XGINEWUB_CRT1Table[index].CR[11];
318
319 /* Vertical retrace (=sync) end */
320 VRE = (cr_data & 0x0f) | ((sr_data & 0x20) >> 1);
321 temp = VRE - ((E + F - 1) & 31);
322 C = (temp > 0) ? temp : (temp + 32);
323
324 D = B - F - C;
325
326 *upper_margin = D;
327 *lower_margin = F;
328 *vsync_len = C;
329
330 if (XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x8000)
331 *sync &= ~FB_SYNC_VERT_HIGH_ACT;
332 else
333 *sync |= FB_SYNC_VERT_HIGH_ACT;
334
335 if (XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x4000)
336 *sync &= ~FB_SYNC_HOR_HIGH_ACT;
337 else
338 *sync |= FB_SYNC_HOR_HIGH_ACT;
339
340 *vmode = FB_VMODE_NONINTERLACED;
341 if (XGI_Pr->RefIndex[RefreshRateTableIndex].Ext_InfoFlag & 0x0080)
342 *vmode = FB_VMODE_INTERLACED;
343 else {
344 j = 0;
345 while (XGI_Pr->EModeIDTable[j].Ext_ModeID != 0xff) {
346 if (XGI_Pr->EModeIDTable[j].Ext_ModeID ==
347 XGI_Pr->RefIndex[RefreshRateTableIndex].ModeID) {
348 if (XGI_Pr->EModeIDTable[j].Ext_ModeFlag &
349 DoubleScanMode) {
350 *vmode = FB_VMODE_DOUBLE;
351 }
352 break;
353 }
354 j++;
355 }
356 }
357
358 return 1;
359 }
360
361 static void XGIRegInit(struct vb_device_info *XGI_Pr, unsigned long BaseAddr)
362 {
363 XGI_Pr->RelIO = BaseAddr;
364 XGI_Pr->P3c4 = BaseAddr + 0x14;
365 XGI_Pr->P3d4 = BaseAddr + 0x24;
366 XGI_Pr->P3c0 = BaseAddr + 0x10;
367 XGI_Pr->P3ce = BaseAddr + 0x1e;
368 XGI_Pr->P3c2 = BaseAddr + 0x12;
369 XGI_Pr->P3ca = BaseAddr + 0x1a;
370 XGI_Pr->P3c6 = BaseAddr + 0x16;
371 XGI_Pr->P3c7 = BaseAddr + 0x17;
372 XGI_Pr->P3c8 = BaseAddr + 0x18;
373 XGI_Pr->P3c9 = BaseAddr + 0x19;
374 XGI_Pr->P3da = BaseAddr + 0x2A;
375 /* Digital video interface registers (LCD) */
376 XGI_Pr->Part1Port = BaseAddr + XGI_CRT2_PORT_04;
377 /* 301 TV Encoder registers */
378 XGI_Pr->Part2Port = BaseAddr + XGI_CRT2_PORT_10;
379 /* 301 Macrovision registers */
380 XGI_Pr->Part3Port = BaseAddr + XGI_CRT2_PORT_12;
381 /* 301 VGA2 (and LCD) registers */
382 XGI_Pr->Part4Port = BaseAddr + XGI_CRT2_PORT_14;
383 /* 301 palette address port registers */
384 XGI_Pr->Part5Port = BaseAddr + XGI_CRT2_PORT_14 + 2;
385
386 }
387
388 /* ------------------ Internal helper routines ----------------- */
389
390 static int XGIfb_GetXG21DefaultLVDSModeIdx(void)
391 {
392
393 int found_mode = 0;
394 int XGIfb_mode_idx = 0;
395
396 found_mode = 0;
397 while ((XGIbios_mode[XGIfb_mode_idx].mode_no != 0)
398 && (XGIbios_mode[XGIfb_mode_idx].xres
399 <= XGI21_LCDCapList[0].LVDSHDE)) {
400 if ((XGIbios_mode[XGIfb_mode_idx].xres
401 == XGI21_LCDCapList[0].LVDSHDE)
402 && (XGIbios_mode[XGIfb_mode_idx].yres
403 == XGI21_LCDCapList[0].LVDSVDE)
404 && (XGIbios_mode[XGIfb_mode_idx].bpp == 8)) {
405 found_mode = 1;
406 break;
407 }
408 XGIfb_mode_idx++;
409 }
410 if (!found_mode)
411 XGIfb_mode_idx = -1;
412
413 return XGIfb_mode_idx;
414 }
415
416 static void XGIfb_search_mode(struct xgifb_video_info *xgifb_info,
417 const char *name)
418 {
419 int i = 0, j = 0, l;
420
421 while (XGIbios_mode[i].mode_no != 0) {
422 l = min(strlen(name), strlen(XGIbios_mode[i].name));
423 if (!strncmp(name, XGIbios_mode[i].name, l)) {
424 xgifb_info->mode_idx = i;
425 j = 1;
426 break;
427 }
428 i++;
429 }
430 if (!j)
431 printk(KERN_INFO "XGIfb: Invalid mode '%s'\n", name);
432 }
433
434 static void XGIfb_search_vesamode(struct xgifb_video_info *xgifb_info,
435 unsigned int vesamode)
436 {
437 int i = 0, j = 0;
438
439 if (vesamode == 0)
440 goto invalid;
441
442 vesamode &= 0x1dff; /* Clean VESA mode number from other flags */
443
444 while (XGIbios_mode[i].mode_no != 0) {
445 if ((XGIbios_mode[i].vesa_mode_no_1 == vesamode) ||
446 (XGIbios_mode[i].vesa_mode_no_2 == vesamode)) {
447 xgifb_info->mode_idx = i;
448 j = 1;
449 break;
450 }
451 i++;
452 }
453
454 invalid:
455 if (!j)
456 printk(KERN_INFO "XGIfb: Invalid VESA mode 0x%x'\n", vesamode);
457 }
458
459 static int XGIfb_GetXG21LVDSData(struct xgifb_video_info *xgifb_info)
460 {
461 u8 tmp;
462 void __iomem *data = xgifb_info->mmio_vbase + 0x20000;
463 int i, j, k;
464
465 tmp = xgifb_reg_get(XGISR, 0x1e);
466 xgifb_reg_set(XGISR, 0x1e, tmp | 4);
467
468 if ((readb(data) == 0x55) &&
469 (readb(data + 1) == 0xAA) &&
470 (readb(data + 0x65) & 0x1)) {
471 i = readw(data + 0x316);
472 j = readb(data + i - 1);
473 if (j == 0xff)
474 j = 1;
475
476 k = 0;
477 do {
478 XGI21_LCDCapList[k].LVDS_Capability = readw(data + i);
479 XGI21_LCDCapList[k].LVDSHT = readw(data + i + 2);
480 XGI21_LCDCapList[k].LVDSVT = readw(data + i + 4);
481 XGI21_LCDCapList[k].LVDSHDE = readw(data + i + 6);
482 XGI21_LCDCapList[k].LVDSVDE = readw(data + i + 8);
483 XGI21_LCDCapList[k].LVDSHFP = readw(data + i + 10);
484 XGI21_LCDCapList[k].LVDSVFP = readw(data + i + 12);
485 XGI21_LCDCapList[k].LVDSHSYNC = readw(data + i + 14);
486 XGI21_LCDCapList[k].LVDSVSYNC = readw(data + i + 16);
487 XGI21_LCDCapList[k].VCLKData1 = readb(data + i + 18);
488 XGI21_LCDCapList[k].VCLKData2 = readb(data + i + 19);
489 XGI21_LCDCapList[k].PSC_S1 = readb(data + i + 20);
490 XGI21_LCDCapList[k].PSC_S2 = readb(data + i + 21);
491 XGI21_LCDCapList[k].PSC_S3 = readb(data + i + 22);
492 XGI21_LCDCapList[k].PSC_S4 = readb(data + i + 23);
493 XGI21_LCDCapList[k].PSC_S5 = readb(data + i + 24);
494 i += 25;
495 j--;
496 k++;
497 } while ((j > 0) && (k < (sizeof(XGI21_LCDCapList)
498 / sizeof(struct XGI21_LVDSCapStruct))));
499 return 1;
500 }
501 return 0;
502 }
503
504 static int XGIfb_validate_mode(struct xgifb_video_info *xgifb_info, int myindex)
505 {
506 u16 xres, yres;
507 struct xgi_hw_device_info *hw_info = &xgifb_info->hw_info;
508
509 if (xgifb_info->chip == XG21) {
510 if ((xgifb_info->disp_state & DISPTYPE_DISP2)
511 == DISPTYPE_LCD) {
512 xres = XGI21_LCDCapList[0].LVDSHDE;
513 yres = XGI21_LCDCapList[0].LVDSVDE;
514 if (XGIbios_mode[myindex].xres > xres)
515 return -1;
516 if (XGIbios_mode[myindex].yres > yres)
517 return -1;
518 if ((XGIbios_mode[myindex].xres < xres) &&
519 (XGIbios_mode[myindex].yres < yres)) {
520 if (XGIbios_mode[myindex].bpp > 8)
521 return -1;
522 }
523
524 }
525 return myindex;
526
527 }
528
529 /* FIXME: for now, all is valid on XG27 */
530 if (xgifb_info->chip == XG27)
531 return myindex;
532
533 if (!(XGIbios_mode[myindex].chipset & MD_XGI315))
534 return -1;
535
536 switch (xgifb_info->disp_state & DISPTYPE_DISP2) {
537 case DISPTYPE_LCD:
538 switch (hw_info->ulCRT2LCDType) {
539 case LCD_640x480:
540 xres = 640;
541 yres = 480;
542 break;
543 case LCD_800x600:
544 xres = 800;
545 yres = 600;
546 break;
547 case LCD_1024x600:
548 xres = 1024;
549 yres = 600;
550 break;
551 case LCD_1024x768:
552 xres = 1024;
553 yres = 768;
554 break;
555 case LCD_1152x768:
556 xres = 1152;
557 yres = 768;
558 break;
559 case LCD_1280x960:
560 xres = 1280;
561 yres = 960;
562 break;
563 case LCD_1280x768:
564 xres = 1280;
565 yres = 768;
566 break;
567 case LCD_1280x1024:
568 xres = 1280;
569 yres = 1024;
570 break;
571 case LCD_1400x1050:
572 xres = 1400;
573 yres = 1050;
574 break;
575 case LCD_1600x1200:
576 xres = 1600;
577 yres = 1200;
578 break;
579 /* case LCD_320x480: */ /* TW: FSTN */
580 /*
581 xres = 320;
582 yres = 480;
583 break;
584 */
585 default:
586 xres = 0;
587 yres = 0;
588 break;
589 }
590 if (XGIbios_mode[myindex].xres > xres)
591 return -1;
592 if (XGIbios_mode[myindex].yres > yres)
593 return -1;
594 if ((hw_info->ulExternalChip == 0x01) || /* LVDS */
595 (hw_info->ulExternalChip == 0x05)) { /* LVDS+Chrontel */
596 switch (XGIbios_mode[myindex].xres) {
597 case 512:
598 if (XGIbios_mode[myindex].yres != 512)
599 return -1;
600 if (hw_info->ulCRT2LCDType == LCD_1024x600)
601 return -1;
602 break;
603 case 640:
604 if ((XGIbios_mode[myindex].yres != 400)
605 && (XGIbios_mode[myindex].yres
606 != 480))
607 return -1;
608 break;
609 case 800:
610 if (XGIbios_mode[myindex].yres != 600)
611 return -1;
612 break;
613 case 1024:
614 if ((XGIbios_mode[myindex].yres != 600) &&
615 (XGIbios_mode[myindex].yres != 768))
616 return -1;
617 if ((XGIbios_mode[myindex].yres == 600) &&
618 (hw_info->ulCRT2LCDType != LCD_1024x600))
619 return -1;
620 break;
621 case 1152:
622 if ((XGIbios_mode[myindex].yres) != 768)
623 return -1;
624 if (hw_info->ulCRT2LCDType != LCD_1152x768)
625 return -1;
626 break;
627 case 1280:
628 if ((XGIbios_mode[myindex].yres != 768) &&
629 (XGIbios_mode[myindex].yres != 1024))
630 return -1;
631 if ((XGIbios_mode[myindex].yres == 768) &&
632 (hw_info->ulCRT2LCDType != LCD_1280x768))
633 return -1;
634 break;
635 case 1400:
636 if (XGIbios_mode[myindex].yres != 1050)
637 return -1;
638 break;
639 case 1600:
640 if (XGIbios_mode[myindex].yres != 1200)
641 return -1;
642 break;
643 default:
644 return -1;
645 }
646 } else {
647 switch (XGIbios_mode[myindex].xres) {
648 case 512:
649 if (XGIbios_mode[myindex].yres != 512)
650 return -1;
651 break;
652 case 640:
653 if ((XGIbios_mode[myindex].yres != 400) &&
654 (XGIbios_mode[myindex].yres != 480))
655 return -1;
656 break;
657 case 800:
658 if (XGIbios_mode[myindex].yres != 600)
659 return -1;
660 break;
661 case 1024:
662 if (XGIbios_mode[myindex].yres != 768)
663 return -1;
664 break;
665 case 1280:
666 if ((XGIbios_mode[myindex].yres != 960) &&
667 (XGIbios_mode[myindex].yres != 1024))
668 return -1;
669 if (XGIbios_mode[myindex].yres == 960) {
670 if (hw_info->ulCRT2LCDType ==
671 LCD_1400x1050)
672 return -1;
673 }
674 break;
675 case 1400:
676 if (XGIbios_mode[myindex].yres != 1050)
677 return -1;
678 break;
679 case 1600:
680 if (XGIbios_mode[myindex].yres != 1200)
681 return -1;
682 break;
683 default:
684 return -1;
685 }
686 }
687 break;
688 case DISPTYPE_TV:
689 switch (XGIbios_mode[myindex].xres) {
690 case 512:
691 case 640:
692 case 800:
693 break;
694 case 720:
695 if (xgifb_info->TV_type == TVMODE_NTSC) {
696 if (XGIbios_mode[myindex].yres != 480)
697 return -1;
698 } else if (xgifb_info->TV_type == TVMODE_PAL) {
699 if (XGIbios_mode[myindex].yres != 576)
700 return -1;
701 }
702 /* TW: LVDS/CHRONTEL does not support 720 */
703 if (xgifb_info->hasVB == HASVB_LVDS_CHRONTEL ||
704 xgifb_info->hasVB == HASVB_CHRONTEL) {
705 return -1;
706 }
707 break;
708 case 1024:
709 if (xgifb_info->TV_type == TVMODE_NTSC) {
710 if (XGIbios_mode[myindex].bpp == 32)
711 return -1;
712 }
713 break;
714 default:
715 return -1;
716 }
717 break;
718 case DISPTYPE_CRT2:
719 if (XGIbios_mode[myindex].xres > 1280)
720 return -1;
721 break;
722 }
723 return myindex;
724
725 }
726
727 static void XGIfb_search_crt2type(const char *name)
728 {
729 int i = 0;
730
731 if (name == NULL)
732 return;
733
734 while (XGI_crt2type[i].type_no != -1) {
735 if (!strcmp(name, XGI_crt2type[i].name)) {
736 XGIfb_crt2type = XGI_crt2type[i].type_no;
737 XGIfb_tvplug = XGI_crt2type[i].tvplug_no;
738 break;
739 }
740 i++;
741 }
742 if (XGIfb_crt2type < 0)
743 printk(KERN_INFO "XGIfb: Invalid CRT2 type: %s\n", name);
744 }
745
746 static u8 XGIfb_search_refresh_rate(struct xgifb_video_info *xgifb_info,
747 unsigned int rate)
748 {
749 u16 xres, yres;
750 int i = 0;
751
752 xres = XGIbios_mode[xgifb_info->mode_idx].xres;
753 yres = XGIbios_mode[xgifb_info->mode_idx].yres;
754
755 xgifb_info->rate_idx = 0;
756 while ((XGIfb_vrate[i].idx != 0) && (XGIfb_vrate[i].xres <= xres)) {
757 if ((XGIfb_vrate[i].xres == xres) &&
758 (XGIfb_vrate[i].yres == yres)) {
759 if (XGIfb_vrate[i].refresh == rate) {
760 xgifb_info->rate_idx = XGIfb_vrate[i].idx;
761 break;
762 } else if (XGIfb_vrate[i].refresh > rate) {
763 if ((XGIfb_vrate[i].refresh - rate) <= 3) {
764 DPRINTK("XGIfb: Adjusting rate from %d up to %d\n",
765 rate, XGIfb_vrate[i].refresh);
766 xgifb_info->rate_idx =
767 XGIfb_vrate[i].idx;
768 xgifb_info->refresh_rate =
769 XGIfb_vrate[i].refresh;
770 } else if (((rate - XGIfb_vrate[i - 1].refresh)
771 <= 2) && (XGIfb_vrate[i].idx
772 != 1)) {
773 DPRINTK("XGIfb: Adjusting rate from %d down to %d\n",
774 rate, XGIfb_vrate[i-1].refresh);
775 xgifb_info->rate_idx =
776 XGIfb_vrate[i - 1].idx;
777 xgifb_info->refresh_rate =
778 XGIfb_vrate[i - 1].refresh;
779 }
780 break;
781 } else if ((rate - XGIfb_vrate[i].refresh) <= 2) {
782 DPRINTK("XGIfb: Adjusting rate from %d down to %d\n",
783 rate, XGIfb_vrate[i].refresh);
784 xgifb_info->rate_idx = XGIfb_vrate[i].idx;
785 break;
786 }
787 }
788 i++;
789 }
790 if (xgifb_info->rate_idx > 0) {
791 return xgifb_info->rate_idx;
792 } else {
793 printk(KERN_INFO "XGIfb: Unsupported rate %d for %dx%d\n",
794 rate, xres, yres);
795 return 0;
796 }
797 }
798
799 static void XGIfb_search_tvstd(const char *name)
800 {
801 int i = 0;
802
803 if (name == NULL)
804 return;
805
806 while (XGI_tvtype[i].type_no != -1) {
807 if (!strcmp(name, XGI_tvtype[i].name)) {
808 XGIfb_tvmode = XGI_tvtype[i].type_no;
809 break;
810 }
811 i++;
812 }
813 }
814
815 /* ----------- FBDev related routines for all series ----------- */
816
817 static void XGIfb_bpp_to_var(struct xgifb_video_info *xgifb_info,
818 struct fb_var_screeninfo *var)
819 {
820 switch (var->bits_per_pixel) {
821 case 8:
822 var->red.offset = var->green.offset = var->blue.offset = 0;
823 var->red.length = var->green.length = var->blue.length = 6;
824 xgifb_info->video_cmap_len = 256;
825 break;
826 case 16:
827 var->red.offset = 11;
828 var->red.length = 5;
829 var->green.offset = 5;
830 var->green.length = 6;
831 var->blue.offset = 0;
832 var->blue.length = 5;
833 var->transp.offset = 0;
834 var->transp.length = 0;
835 xgifb_info->video_cmap_len = 16;
836 break;
837 case 32:
838 var->red.offset = 16;
839 var->red.length = 8;
840 var->green.offset = 8;
841 var->green.length = 8;
842 var->blue.offset = 0;
843 var->blue.length = 8;
844 var->transp.offset = 24;
845 var->transp.length = 8;
846 xgifb_info->video_cmap_len = 16;
847 break;
848 }
849 }
850
851 /* --------------------- SetMode routines ------------------------- */
852
853 static void XGIfb_pre_setmode(struct xgifb_video_info *xgifb_info)
854 {
855 u8 cr30 = 0, cr31 = 0;
856
857 cr31 = xgifb_reg_get(XGICR, 0x31);
858 cr31 &= ~0x60;
859
860 switch (xgifb_info->disp_state & DISPTYPE_DISP2) {
861 case DISPTYPE_CRT2:
862 cr30 = (XGI_VB_OUTPUT_CRT2 | XGI_SIMULTANEOUS_VIEW_ENABLE);
863 cr31 |= XGI_DRIVER_MODE;
864 break;
865 case DISPTYPE_LCD:
866 cr30 = (XGI_VB_OUTPUT_LCD | XGI_SIMULTANEOUS_VIEW_ENABLE);
867 cr31 |= XGI_DRIVER_MODE;
868 break;
869 case DISPTYPE_TV:
870 if (xgifb_info->TV_type == TVMODE_HIVISION)
871 cr30 = (XGI_VB_OUTPUT_HIVISION
872 | XGI_SIMULTANEOUS_VIEW_ENABLE);
873 else if (xgifb_info->TV_plug == TVPLUG_SVIDEO)
874 cr30 = (XGI_VB_OUTPUT_SVIDEO
875 | XGI_SIMULTANEOUS_VIEW_ENABLE);
876 else if (xgifb_info->TV_plug == TVPLUG_COMPOSITE)
877 cr30 = (XGI_VB_OUTPUT_COMPOSITE
878 | XGI_SIMULTANEOUS_VIEW_ENABLE);
879 else if (xgifb_info->TV_plug == TVPLUG_SCART)
880 cr30 = (XGI_VB_OUTPUT_SCART
881 | XGI_SIMULTANEOUS_VIEW_ENABLE);
882 cr31 |= XGI_DRIVER_MODE;
883
884 if (XGIfb_tvmode == 1 || xgifb_info->TV_type == TVMODE_PAL)
885 cr31 |= 0x01;
886 else
887 cr31 &= ~0x01;
888 break;
889 default: /* disable CRT2 */
890 cr30 = 0x00;
891 cr31 |= (XGI_DRIVER_MODE | XGI_VB_OUTPUT_DISABLE);
892 }
893
894 xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR30, cr30);
895 xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR31, cr31);
896 xgifb_reg_set(XGICR, IND_XGI_SCRATCH_REG_CR33,
897 (xgifb_info->rate_idx & 0x0F));
898 }
899
900 static void XGIfb_post_setmode(struct xgifb_video_info *xgifb_info)
901 {
902 u8 reg;
903 unsigned char doit = 1;
904 /*
905 xgifb_reg_set(XGISR,IND_XGI_PASSWORD,XGI_PASSWORD);
906 xgifb_reg_set(XGICR, 0x13, 0x00);
907 xgifb_reg_and_or(XGISR,0x0E, 0xF0, 0x01);
908 *test*
909 */
910 if (xgifb_info->video_bpp == 8) {
911 /* TW: We can't switch off CRT1 on LVDS/Chrontel
912 * in 8bpp Modes */
913 if ((xgifb_info->hasVB == HASVB_LVDS) ||
914 (xgifb_info->hasVB == HASVB_LVDS_CHRONTEL)) {
915 doit = 0;
916 }
917 /* TW: We can't switch off CRT1 on 301B-DH
918 * in 8bpp Modes if using LCD */
919 if (xgifb_info->disp_state & DISPTYPE_LCD)
920 doit = 0;
921 }
922
923 /* TW: We can't switch off CRT1 if bridge is in slave mode */
924 if (xgifb_info->hasVB != HASVB_NONE) {
925 reg = xgifb_reg_get(XGIPART1, 0x00);
926
927 if ((reg & 0x50) == 0x10)
928 doit = 0;
929
930 } else {
931 XGIfb_crt1off = 0;
932 }
933
934 reg = xgifb_reg_get(XGICR, 0x17);
935 if ((XGIfb_crt1off) && (doit))
936 reg &= ~0x80;
937 else
938 reg |= 0x80;
939 xgifb_reg_set(XGICR, 0x17, reg);
940
941 xgifb_reg_and(XGISR, IND_XGI_RAMDAC_CONTROL, ~0x04);
942
943 if ((xgifb_info->disp_state & DISPTYPE_TV) && (xgifb_info->hasVB
944 == HASVB_301)) {
945
946 reg = xgifb_reg_get(XGIPART4, 0x01);
947
948 if (reg < 0xB0) { /* Set filter for XGI301 */
949 int filter_tb;
950
951 switch (xgifb_info->video_width) {
952 case 320:
953 filter_tb = (xgifb_info->TV_type ==
954 TVMODE_NTSC) ? 4 : 12;
955 break;
956 case 640:
957 filter_tb = (xgifb_info->TV_type ==
958 TVMODE_NTSC) ? 5 : 13;
959 break;
960 case 720:
961 filter_tb = (xgifb_info->TV_type ==
962 TVMODE_NTSC) ? 6 : 14;
963 break;
964 case 800:
965 filter_tb = (xgifb_info->TV_type ==
966 TVMODE_NTSC) ? 7 : 15;
967 break;
968 default:
969 filter_tb = 0;
970 filter = -1;
971 break;
972 }
973 xgifb_reg_or(XGIPART1,
974 IND_XGI_CRT2_WRITE_ENABLE_315,
975 0x01);
976
977 if (xgifb_info->TV_type == TVMODE_NTSC) {
978
979 xgifb_reg_and(XGIPART2, 0x3a, 0x1f);
980
981 if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
982
983 xgifb_reg_and(XGIPART2, 0x30, 0xdf);
984
985 } else if (xgifb_info->TV_plug
986 == TVPLUG_COMPOSITE) {
987
988 xgifb_reg_or(XGIPART2, 0x30, 0x20);
989
990 switch (xgifb_info->video_width) {
991 case 640:
992 xgifb_reg_set(XGIPART2,
993 0x35,
994 0xEB);
995 xgifb_reg_set(XGIPART2,
996 0x36,
997 0x04);
998 xgifb_reg_set(XGIPART2,
999 0x37,
1000 0x25);
1001 xgifb_reg_set(XGIPART2,
1002 0x38,
1003 0x18);
1004 break;
1005 case 720:
1006 xgifb_reg_set(XGIPART2,
1007 0x35,
1008 0xEE);
1009 xgifb_reg_set(XGIPART2,
1010 0x36,
1011 0x0C);
1012 xgifb_reg_set(XGIPART2,
1013 0x37,
1014 0x22);
1015 xgifb_reg_set(XGIPART2,
1016 0x38,
1017 0x08);
1018 break;
1019 case 800:
1020 xgifb_reg_set(XGIPART2,
1021 0x35,
1022 0xEB);
1023 xgifb_reg_set(XGIPART2,
1024 0x36,
1025 0x15);
1026 xgifb_reg_set(XGIPART2,
1027 0x37,
1028 0x25);
1029 xgifb_reg_set(XGIPART2,
1030 0x38,
1031 0xF6);
1032 break;
1033 }
1034 }
1035
1036 } else if (xgifb_info->TV_type == TVMODE_PAL) {
1037
1038 xgifb_reg_and(XGIPART2, 0x3A, 0x1F);
1039
1040 if (xgifb_info->TV_plug == TVPLUG_SVIDEO) {
1041
1042 xgifb_reg_and(XGIPART2, 0x30, 0xDF);
1043
1044 } else if (xgifb_info->TV_plug
1045 == TVPLUG_COMPOSITE) {
1046
1047 xgifb_reg_or(XGIPART2, 0x30, 0x20);
1048
1049 switch (xgifb_info->video_width) {
1050 case 640:
1051 xgifb_reg_set(XGIPART2,
1052 0x35,
1053 0xF1);
1054 xgifb_reg_set(XGIPART2,
1055 0x36,
1056 0xF7);
1057 xgifb_reg_set(XGIPART2,
1058 0x37,
1059 0x1F);
1060 xgifb_reg_set(XGIPART2,
1061 0x38,
1062 0x32);
1063 break;
1064 case 720:
1065 xgifb_reg_set(XGIPART2,
1066 0x35,
1067 0xF3);
1068 xgifb_reg_set(XGIPART2,
1069 0x36,
1070 0x00);
1071 xgifb_reg_set(XGIPART2,
1072 0x37,
1073 0x1D);
1074 xgifb_reg_set(XGIPART2,
1075 0x38,
1076 0x20);
1077 break;
1078 case 800:
1079 xgifb_reg_set(XGIPART2,
1080 0x35,
1081 0xFC);
1082 xgifb_reg_set(XGIPART2,
1083 0x36,
1084 0xFB);
1085 xgifb_reg_set(XGIPART2,
1086 0x37,
1087 0x14);
1088 xgifb_reg_set(XGIPART2,
1089 0x38,
1090 0x2A);
1091 break;
1092 }
1093 }
1094 }
1095
1096 if ((filter >= 0) && (filter <= 7)) {
1097 DPRINTK("FilterTable[%d]-%d: %02x %02x %02x %02x\n",
1098 filter_tb, filter,
1099 XGI_TV_filter[filter_tb].
1100 filter[filter][0],
1101 XGI_TV_filter[filter_tb].
1102 filter[filter][1],
1103 XGI_TV_filter[filter_tb].
1104 filter[filter][2],
1105 XGI_TV_filter[filter_tb].
1106 filter[filter][3]
1107 );
1108 xgifb_reg_set(
1109 XGIPART2,
1110 0x35,
1111 (XGI_TV_filter[filter_tb].
1112 filter[filter][0]));
1113 xgifb_reg_set(
1114 XGIPART2,
1115 0x36,
1116 (XGI_TV_filter[filter_tb].
1117 filter[filter][1]));
1118 xgifb_reg_set(
1119 XGIPART2,
1120 0x37,
1121 (XGI_TV_filter[filter_tb].
1122 filter[filter][2]));
1123 xgifb_reg_set(
1124 XGIPART2,
1125 0x38,
1126 (XGI_TV_filter[filter_tb].
1127 filter[filter][3]));
1128 }
1129 }
1130 }
1131 }
1132
1133 static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive,
1134 struct fb_info *info)
1135 {
1136 struct xgifb_video_info *xgifb_info = info->par;
1137 struct xgi_hw_device_info *hw_info = &xgifb_info->hw_info;
1138 unsigned int htotal = var->left_margin + var->xres + var->right_margin
1139 + var->hsync_len;
1140 unsigned int vtotal = var->upper_margin + var->yres + var->lower_margin
1141 + var->vsync_len;
1142 #if defined(__powerpc__)
1143 u8 sr_data, cr_data;
1144 #endif
1145 unsigned int drate = 0, hrate = 0;
1146 int found_mode = 0;
1147 int old_mode;
1148 /* unsigned char reg, reg1; */
1149
1150 DEBUGPRN("Inside do_set_var");
1151 /* printk(KERN_DEBUG "XGIfb:var->yres=%d, var->upper_margin=%d, var->lower_margin=%d, var->vsync_len=%d\n", var->yres, var->upper_margin, var->lower_margin, var->vsync_len); */
1152
1153 info->var.xres_virtual = var->xres_virtual;
1154 info->var.yres_virtual = var->yres_virtual;
1155 info->var.bits_per_pixel = var->bits_per_pixel;
1156
1157 if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED)
1158 vtotal <<= 1;
1159 else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE)
1160 vtotal <<= 2;
1161 else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
1162 /* vtotal <<= 1; */
1163 /* var->yres <<= 1; */
1164 }
1165
1166 if (!htotal || !vtotal) {
1167 DPRINTK("XGIfb: Invalid 'var' information\n");
1168 return -EINVAL;
1169 } printk(KERN_DEBUG "XGIfb: var->pixclock=%d, htotal=%d, vtotal=%d\n",
1170 var->pixclock, htotal, vtotal);
1171
1172 if (var->pixclock && htotal && vtotal) {
1173 drate = 1000000000 / var->pixclock;
1174 hrate = (drate * 1000) / htotal;
1175 xgifb_info->refresh_rate = (unsigned int) (hrate * 2
1176 / vtotal);
1177 } else {
1178 xgifb_info->refresh_rate = 60;
1179 }
1180
1181 printk(KERN_DEBUG "XGIfb: Change mode to %dx%dx%d-%dHz\n",
1182 var->xres,
1183 var->yres,
1184 var->bits_per_pixel,
1185 xgifb_info->refresh_rate);
1186
1187 old_mode = xgifb_info->mode_idx;
1188 xgifb_info->mode_idx = 0;
1189
1190 while ((XGIbios_mode[xgifb_info->mode_idx].mode_no != 0) &&
1191 (XGIbios_mode[xgifb_info->mode_idx].xres <= var->xres)) {
1192 if ((XGIbios_mode[xgifb_info->mode_idx].xres == var->xres) &&
1193 (XGIbios_mode[xgifb_info->mode_idx].yres == var->yres) &&
1194 (XGIbios_mode[xgifb_info->mode_idx].bpp
1195 == var->bits_per_pixel)) {
1196 found_mode = 1;
1197 break;
1198 }
1199 xgifb_info->mode_idx++;
1200 }
1201
1202 if (found_mode)
1203 xgifb_info->mode_idx = XGIfb_validate_mode(xgifb_info,
1204 xgifb_info->mode_idx);
1205 else
1206 xgifb_info->mode_idx = -1;
1207
1208 if (xgifb_info->mode_idx < 0) {
1209 printk(KERN_ERR "XGIfb: Mode %dx%dx%d not supported\n",
1210 var->xres, var->yres, var->bits_per_pixel);
1211 xgifb_info->mode_idx = old_mode;
1212 return -EINVAL;
1213 }
1214
1215 if (XGIfb_search_refresh_rate(xgifb_info,
1216 xgifb_info->refresh_rate) == 0) {
1217 xgifb_info->rate_idx =
1218 XGIbios_mode[xgifb_info->mode_idx].rate_idx;
1219 xgifb_info->refresh_rate = 60;
1220 }
1221
1222 if (isactive) {
1223
1224 XGIfb_pre_setmode(xgifb_info);
1225 if (XGISetModeNew(hw_info,
1226 XGIbios_mode[xgifb_info->mode_idx].mode_no)
1227 == 0) {
1228 printk(KERN_ERR "XGIfb: Setting mode[0x%x] failed\n",
1229 XGIbios_mode[xgifb_info->mode_idx].mode_no);
1230 return -EINVAL;
1231 }
1232 info->fix.line_length = ((info->var.xres_virtual
1233 * info->var.bits_per_pixel) >> 6);
1234
1235 xgifb_reg_set(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD);
1236
1237 xgifb_reg_set(XGICR, 0x13, (info->fix.line_length & 0x00ff));
1238 xgifb_reg_set(XGISR,
1239 0x0E,
1240 (info->fix.line_length & 0xff00) >> 8);
1241
1242 XGIfb_post_setmode(xgifb_info);
1243
1244 DPRINTK("XGIfb: Set new mode: %dx%dx%d-%d\n",
1245 XGIbios_mode[xgifb_info->mode_idx].xres,
1246 XGIbios_mode[xgifb_info->mode_idx].yres,
1247 XGIbios_mode[xgifb_info->mode_idx].bpp,
1248 xgifb_info->refresh_rate);
1249
1250 xgifb_info->video_bpp = XGIbios_mode[xgifb_info->mode_idx].bpp;
1251 xgifb_info->video_vwidth = info->var.xres_virtual;
1252 xgifb_info->video_width =
1253 XGIbios_mode[xgifb_info->mode_idx].xres;
1254 xgifb_info->video_vheight = info->var.yres_virtual;
1255 xgifb_info->video_height =
1256 XGIbios_mode[xgifb_info->mode_idx].yres;
1257 xgifb_info->org_x = xgifb_info->org_y = 0;
1258 xgifb_info->video_linelength = info->var.xres_virtual
1259 * (xgifb_info->video_bpp >> 3);
1260 switch (xgifb_info->video_bpp) {
1261 case 8:
1262 xgifb_info->DstColor = 0x0000;
1263 xgifb_info->XGI310_AccelDepth = 0x00000000;
1264 xgifb_info->video_cmap_len = 256;
1265 #if defined(__powerpc__)
1266 cr_data = xgifb_reg_get(XGICR, 0x4D);
1267 xgifb_reg_set(XGICR, 0x4D, (cr_data & 0xE0));
1268 #endif
1269 break;
1270 case 16:
1271 xgifb_info->DstColor = 0x8000;
1272 xgifb_info->XGI310_AccelDepth = 0x00010000;
1273 #if defined(__powerpc__)
1274 cr_data = xgifb_reg_get(XGICR, 0x4D);
1275 xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x0B));
1276 #endif
1277 xgifb_info->video_cmap_len = 16;
1278 break;
1279 case 32:
1280 xgifb_info->DstColor = 0xC000;
1281 xgifb_info->XGI310_AccelDepth = 0x00020000;
1282 xgifb_info->video_cmap_len = 16;
1283 #if defined(__powerpc__)
1284 cr_data = xgifb_reg_get(XGICR, 0x4D);
1285 xgifb_reg_set(XGICR, 0x4D, ((cr_data & 0xE0) | 0x15));
1286 #endif
1287 break;
1288 default:
1289 xgifb_info->video_cmap_len = 16;
1290 printk(KERN_ERR "XGIfb: Unsupported depth %d",
1291 xgifb_info->video_bpp);
1292 break;
1293 }
1294 }
1295 XGIfb_bpp_to_var(xgifb_info, var); /*update ARGB info*/
1296 DEBUGPRN("End of do_set_var");
1297
1298 dumpVGAReg();
1299 return 0;
1300 }
1301
1302 static int XGIfb_pan_var(struct xgifb_video_info *xgifb_info,
1303 struct fb_var_screeninfo *var)
1304 {
1305 unsigned int base;
1306
1307 /* printk("Inside pan_var"); */
1308
1309 if (var->xoffset > (var->xres_virtual - var->xres)) {
1310 /* printk("Pan: xo: %d xv %d xr %d\n",
1311 var->xoffset, var->xres_virtual, var->xres); */
1312 return -EINVAL;
1313 }
1314 if (var->yoffset > (var->yres_virtual - var->yres)) {
1315 /* printk("Pan: yo: %d yv %d yr %d\n",
1316 var->yoffset, var->yres_virtual, var->yres); */
1317 return -EINVAL;
1318 }
1319 base = var->yoffset * var->xres_virtual + var->xoffset;
1320
1321 /* calculate base bpp dep. */
1322 switch (var->bits_per_pixel) {
1323 case 16:
1324 base >>= 1;
1325 break;
1326 case 32:
1327 break;
1328 case 8:
1329 default:
1330 base >>= 2;
1331 break;
1332 }
1333
1334 xgifb_reg_set(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD);
1335
1336 xgifb_reg_set(XGICR, 0x0D, base & 0xFF);
1337 xgifb_reg_set(XGICR, 0x0C, (base >> 8) & 0xFF);
1338 xgifb_reg_set(XGISR, 0x0D, (base >> 16) & 0xFF);
1339 xgifb_reg_set(XGISR, 0x37, (base >> 24) & 0x03);
1340 xgifb_reg_and_or(XGISR, 0x37, 0xDF, (base >> 21) & 0x04);
1341
1342 if (xgifb_info->disp_state & DISPTYPE_DISP2) {
1343 xgifb_reg_or(XGIPART1, IND_XGI_CRT2_WRITE_ENABLE_315, 0x01);
1344 xgifb_reg_set(XGIPART1, 0x06, (base & 0xFF));
1345 xgifb_reg_set(XGIPART1, 0x05, ((base >> 8) & 0xFF));
1346 xgifb_reg_set(XGIPART1, 0x04, ((base >> 16) & 0xFF));
1347 xgifb_reg_and_or(XGIPART1,
1348 0x02,
1349 0x7F,
1350 ((base >> 24) & 0x01) << 7);
1351 }
1352 /* printk("End of pan_var"); */
1353 return 0;
1354 }
1355
1356 static int XGIfb_open(struct fb_info *info, int user)
1357 {
1358 return 0;
1359 }
1360
1361 static int XGIfb_release(struct fb_info *info, int user)
1362 {
1363 return 0;
1364 }
1365
1366 static int XGIfb_get_cmap_len(const struct fb_var_screeninfo *var)
1367 {
1368 int rc = 16;
1369
1370 switch (var->bits_per_pixel) {
1371 case 8:
1372 rc = 256;
1373 break;
1374 case 16:
1375 rc = 16;
1376 break;
1377 case 32:
1378 rc = 16;
1379 break;
1380 }
1381 return rc;
1382 }
1383
1384 static int XGIfb_setcolreg(unsigned regno, unsigned red, unsigned green,
1385 unsigned blue, unsigned transp, struct fb_info *info)
1386 {
1387 struct xgifb_video_info *xgifb_info = info->par;
1388
1389 if (regno >= XGIfb_get_cmap_len(&info->var))
1390 return 1;
1391
1392 switch (info->var.bits_per_pixel) {
1393 case 8:
1394 outb(regno, XGIDACA);
1395 outb((red >> 10), XGIDACD);
1396 outb((green >> 10), XGIDACD);
1397 outb((blue >> 10), XGIDACD);
1398 if (xgifb_info->disp_state & DISPTYPE_DISP2) {
1399 outb(regno, XGIDAC2A);
1400 outb((red >> 8), XGIDAC2D);
1401 outb((green >> 8), XGIDAC2D);
1402 outb((blue >> 8), XGIDAC2D);
1403 }
1404 break;
1405 case 16:
1406 ((u32 *) (info->pseudo_palette))[regno] = ((red & 0xf800))
1407 | ((green & 0xfc00) >> 5) | ((blue & 0xf800)
1408 >> 11);
1409 break;
1410 case 32:
1411 red >>= 8;
1412 green >>= 8;
1413 blue >>= 8;
1414 ((u32 *) (info->pseudo_palette))[regno] = (red << 16) | (green
1415 << 8) | (blue);
1416 break;
1417 }
1418 return 0;
1419 }
1420
1421 /* ----------- FBDev related routines for all series ---------- */
1422
1423 static int XGIfb_get_fix(struct fb_fix_screeninfo *fix, int con,
1424 struct fb_info *info)
1425 {
1426 struct xgifb_video_info *xgifb_info = info->par;
1427
1428 DEBUGPRN("inside get_fix");
1429 memset(fix, 0, sizeof(struct fb_fix_screeninfo));
1430
1431 fix->smem_start = xgifb_info->video_base;
1432
1433 fix->smem_len = xgifb_info->video_size;
1434
1435 fix->type = FB_TYPE_PACKED_PIXELS;
1436 fix->type_aux = 0;
1437 if (xgifb_info->video_bpp == 8)
1438 fix->visual = FB_VISUAL_PSEUDOCOLOR;
1439 else
1440 fix->visual = FB_VISUAL_DIRECTCOLOR;
1441 fix->xpanstep = 0;
1442 if (XGIfb_ypan)
1443 fix->ypanstep = 1;
1444 fix->ywrapstep = 0;
1445 fix->line_length = xgifb_info->video_linelength;
1446 fix->mmio_start = xgifb_info->mmio_base;
1447 fix->mmio_len = xgifb_info->mmio_size;
1448 fix->accel = FB_ACCEL_XGI_XABRE;
1449
1450 DEBUGPRN("end of get_fix");
1451 return 0;
1452 }
1453
1454 static int XGIfb_set_par(struct fb_info *info)
1455 {
1456 int err;
1457
1458 /* printk("XGIfb: inside set_par\n"); */
1459 err = XGIfb_do_set_var(&info->var, 1, info);
1460 if (err)
1461 return err;
1462 XGIfb_get_fix(&info->fix, -1, info);
1463 /* printk("XGIfb: end of set_par\n"); */
1464 return 0;
1465 }
1466
1467 static int XGIfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
1468 {
1469 struct xgifb_video_info *xgifb_info = info->par;
1470 unsigned int htotal = var->left_margin + var->xres + var->right_margin
1471 + var->hsync_len;
1472 unsigned int vtotal = 0;
1473 unsigned int drate = 0, hrate = 0;
1474 int found_mode = 0;
1475 int refresh_rate, search_idx;
1476
1477 DEBUGPRN("Inside check_var");
1478
1479 if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED) {
1480 vtotal = var->upper_margin + var->yres + var->lower_margin
1481 + var->vsync_len;
1482 vtotal <<= 1;
1483 } else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_DOUBLE) {
1484 vtotal = var->upper_margin + var->yres + var->lower_margin
1485 + var->vsync_len;
1486 vtotal <<= 2;
1487 } else if ((var->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
1488 vtotal = var->upper_margin + (var->yres / 2)
1489 + var->lower_margin + var->vsync_len;
1490 } else
1491 vtotal = var->upper_margin + var->yres + var->lower_margin
1492 + var->vsync_len;
1493
1494 if (!(htotal) || !(vtotal))
1495 XGIFAIL("XGIfb: no valid timing data");
1496
1497 if (var->pixclock && htotal && vtotal) {
1498 drate = 1000000000 / var->pixclock;
1499 hrate = (drate * 1000) / htotal;
1500 xgifb_info->refresh_rate =
1501 (unsigned int) (hrate * 2 / vtotal);
1502 printk(KERN_DEBUG
1503 "%s: pixclock = %d ,htotal=%d, vtotal=%d\n"
1504 "%s: drate=%d, hrate=%d, refresh_rate=%d\n",
1505 __func__, var->pixclock, htotal, vtotal,
1506 __func__, drate, hrate, xgifb_info->refresh_rate);
1507 } else {
1508 xgifb_info->refresh_rate = 60;
1509 }
1510
1511 /*
1512 if ((var->pixclock) && (htotal)) {
1513 drate = 1E12 / var->pixclock;
1514 hrate = drate / htotal;
1515 refresh_rate = (unsigned int) (hrate / vtotal * 2 + 0.5);
1516 } else {
1517 refresh_rate = 60;
1518 }
1519 */
1520 /* TW: Calculation wrong for 1024x600 - force it to 60Hz */
1521 if ((var->xres == 1024) && (var->yres == 600))
1522 refresh_rate = 60;
1523
1524 search_idx = 0;
1525 while ((XGIbios_mode[search_idx].mode_no != 0) &&
1526 (XGIbios_mode[search_idx].xres <= var->xres)) {
1527 if ((XGIbios_mode[search_idx].xres == var->xres) &&
1528 (XGIbios_mode[search_idx].yres == var->yres) &&
1529 (XGIbios_mode[search_idx].bpp == var->bits_per_pixel)) {
1530 if (XGIfb_validate_mode(xgifb_info, search_idx) > 0) {
1531 found_mode = 1;
1532 break;
1533 }
1534 }
1535 search_idx++;
1536 }
1537
1538 if (!found_mode) {
1539
1540 printk(KERN_ERR "XGIfb: %dx%dx%d is no valid mode\n",
1541 var->xres, var->yres, var->bits_per_pixel);
1542 search_idx = 0;
1543 while (XGIbios_mode[search_idx].mode_no != 0) {
1544 if ((var->xres <= XGIbios_mode[search_idx].xres) &&
1545 (var->yres <= XGIbios_mode[search_idx].yres) &&
1546 (var->bits_per_pixel ==
1547 XGIbios_mode[search_idx].bpp)) {
1548 if (XGIfb_validate_mode(xgifb_info,
1549 search_idx) > 0) {
1550 found_mode = 1;
1551 break;
1552 }
1553 }
1554 search_idx++;
1555 }
1556 if (found_mode) {
1557 var->xres = XGIbios_mode[search_idx].xres;
1558 var->yres = XGIbios_mode[search_idx].yres;
1559 printk(KERN_DEBUG "XGIfb: Adapted to mode %dx%dx%d\n",
1560 var->xres, var->yres, var->bits_per_pixel);
1561
1562 } else {
1563 printk(KERN_ERR "XGIfb: Failed to find similar mode to %dx%dx%d\n",
1564 var->xres, var->yres, var->bits_per_pixel);
1565 return -EINVAL;
1566 }
1567 }
1568
1569 /* TW: TODO: Check the refresh rate */
1570
1571 /* Adapt RGB settings */
1572 XGIfb_bpp_to_var(xgifb_info, var);
1573
1574 /* Sanity check for offsets */
1575 if (var->xoffset < 0)
1576 var->xoffset = 0;
1577 if (var->yoffset < 0)
1578 var->yoffset = 0;
1579
1580 if (!XGIfb_ypan) {
1581 if (var->xres != var->xres_virtual)
1582 var->xres_virtual = var->xres;
1583 if (var->yres != var->yres_virtual)
1584 var->yres_virtual = var->yres;
1585 } /* else { */
1586 /* TW: Now patch yres_virtual if we use panning */
1587 /* May I do this? */
1588 /* var->yres_virtual = xgifb_info->heapstart /
1589 (var->xres * (var->bits_per_pixel >> 3)); */
1590 /* if (var->yres_virtual <= var->yres) { */
1591 /* TW: Paranoia check */
1592 /* var->yres_virtual = var->yres; */
1593 /* } */
1594 /* } */
1595
1596 /* Truncate offsets to maximum if too high */
1597 if (var->xoffset > var->xres_virtual - var->xres)
1598 var->xoffset = var->xres_virtual - var->xres - 1;
1599
1600 if (var->yoffset > var->yres_virtual - var->yres)
1601 var->yoffset = var->yres_virtual - var->yres - 1;
1602
1603 /* Set everything else to 0 */
1604 var->red.msb_right =
1605 var->green.msb_right =
1606 var->blue.msb_right =
1607 var->transp.offset = var->transp.length = var->transp.msb_right = 0;
1608
1609 DEBUGPRN("end of check_var");
1610 return 0;
1611 }
1612
1613 static int XGIfb_pan_display(struct fb_var_screeninfo *var,
1614 struct fb_info *info)
1615 {
1616 int err;
1617 struct xgifb_video_info *xgifb_info = info->par;
1618
1619 /* printk("\nInside pan_display:\n"); */
1620
1621 if (var->xoffset > (var->xres_virtual - var->xres))
1622 return -EINVAL;
1623 if (var->yoffset > (var->yres_virtual - var->yres))
1624 return -EINVAL;
1625
1626 if (var->vmode & FB_VMODE_YWRAP) {
1627 if (var->yoffset < 0 || var->yoffset >= info->var.yres_virtual
1628 || var->xoffset)
1629 return -EINVAL;
1630 } else {
1631 if (var->xoffset + info->var.xres > info->var.xres_virtual
1632 || var->yoffset + info->var.yres
1633 > info->var.yres_virtual)
1634 return -EINVAL;
1635 }
1636 err = XGIfb_pan_var(xgifb_info, var);
1637 if (err < 0)
1638 return err;
1639
1640 info->var.xoffset = var->xoffset;
1641 info->var.yoffset = var->yoffset;
1642 if (var->vmode & FB_VMODE_YWRAP)
1643 info->var.vmode |= FB_VMODE_YWRAP;
1644 else
1645 info->var.vmode &= ~FB_VMODE_YWRAP;
1646
1647 /* printk("End of pan_display\n"); */
1648 return 0;
1649 }
1650
1651 static int XGIfb_blank(int blank, struct fb_info *info)
1652 {
1653 struct xgifb_video_info *xgifb_info = info->par;
1654 u8 reg;
1655
1656 reg = xgifb_reg_get(XGICR, 0x17);
1657
1658 if (blank > 0)
1659 reg &= 0x7f;
1660 else
1661 reg |= 0x80;
1662
1663 xgifb_reg_set(XGICR, 0x17, reg);
1664 xgifb_reg_set(XGISR, 0x00, 0x01); /* Synchronous Reset */
1665 xgifb_reg_set(XGISR, 0x00, 0x03); /* End Reset */
1666 return 0;
1667 }
1668
1669 static struct fb_ops XGIfb_ops = {
1670 .owner = THIS_MODULE,
1671 .fb_open = XGIfb_open,
1672 .fb_release = XGIfb_release,
1673 .fb_check_var = XGIfb_check_var,
1674 .fb_set_par = XGIfb_set_par,
1675 .fb_setcolreg = XGIfb_setcolreg,
1676 .fb_pan_display = XGIfb_pan_display,
1677 .fb_blank = XGIfb_blank,
1678 .fb_fillrect = cfb_fillrect,
1679 .fb_copyarea = cfb_copyarea,
1680 .fb_imageblit = cfb_imageblit,
1681 /* .fb_mmap = XGIfb_mmap, */
1682 };
1683
1684 /* ---------------- Chip generation dependent routines ---------------- */
1685
1686 /* for XGI 315/550/650/740/330 */
1687
1688 static int XGIfb_get_dram_size(struct xgifb_video_info *xgifb_info)
1689 {
1690
1691 u8 ChannelNum, tmp;
1692 u8 reg = 0;
1693
1694 /* xorg driver sets 32MB * 1 channel */
1695 if (xgifb_info->chip == XG27)
1696 xgifb_reg_set(XGISR, IND_XGI_DRAM_SIZE, 0x51);
1697
1698 reg = xgifb_reg_get(XGISR, IND_XGI_DRAM_SIZE);
1699 switch ((reg & XGI_DRAM_SIZE_MASK) >> 4) {
1700 case XGI_DRAM_SIZE_1MB:
1701 xgifb_info->video_size = 0x100000;
1702 break;
1703 case XGI_DRAM_SIZE_2MB:
1704 xgifb_info->video_size = 0x200000;
1705 break;
1706 case XGI_DRAM_SIZE_4MB:
1707 xgifb_info->video_size = 0x400000;
1708 break;
1709 case XGI_DRAM_SIZE_8MB:
1710 xgifb_info->video_size = 0x800000;
1711 break;
1712 case XGI_DRAM_SIZE_16MB:
1713 xgifb_info->video_size = 0x1000000;
1714 break;
1715 case XGI_DRAM_SIZE_32MB:
1716 xgifb_info->video_size = 0x2000000;
1717 break;
1718 case XGI_DRAM_SIZE_64MB:
1719 xgifb_info->video_size = 0x4000000;
1720 break;
1721 case XGI_DRAM_SIZE_128MB:
1722 xgifb_info->video_size = 0x8000000;
1723 break;
1724 case XGI_DRAM_SIZE_256MB:
1725 xgifb_info->video_size = 0x10000000;
1726 break;
1727 default:
1728 return -1;
1729 }
1730
1731 tmp = (reg & 0x0c) >> 2;
1732 switch (xgifb_info->chip) {
1733 case XG20:
1734 case XG21:
1735 case XG27:
1736 ChannelNum = 1;
1737 break;
1738
1739 case XG42:
1740 if (reg & 0x04)
1741 ChannelNum = 2;
1742 else
1743 ChannelNum = 1;
1744 break;
1745
1746 case XG45:
1747 if (tmp == 1)
1748 ChannelNum = 2;
1749 else if (tmp == 2)
1750 ChannelNum = 3;
1751 else if (tmp == 3)
1752 ChannelNum = 4;
1753 else
1754 ChannelNum = 1;
1755 break;
1756
1757 case XG40:
1758 default:
1759 if (tmp == 2)
1760 ChannelNum = 2;
1761 else if (tmp == 3)
1762 ChannelNum = 3;
1763 else
1764 ChannelNum = 1;
1765 break;
1766 }
1767
1768 xgifb_info->video_size = xgifb_info->video_size * ChannelNum;
1769 /* PLiad fixed for benchmarking and fb set */
1770 /* xgifb_info->video_size = 0x200000; */ /* 1024x768x16 */
1771 /* xgifb_info->video_size = 0x1000000; */ /* benchmark */
1772
1773 printk("XGIfb: SR14=%x DramSzie %x ChannelNum %x\n",
1774 reg,
1775 xgifb_info->video_size, ChannelNum);
1776 return 0;
1777
1778 }
1779
1780 static void XGIfb_detect_VB(struct xgifb_video_info *xgifb_info)
1781 {
1782 u8 cr32, temp = 0;
1783
1784 xgifb_info->TV_plug = xgifb_info->TV_type = 0;
1785
1786 switch (xgifb_info->hasVB) {
1787 case HASVB_LVDS_CHRONTEL:
1788 case HASVB_CHRONTEL:
1789 break;
1790 case HASVB_301:
1791 case HASVB_302:
1792 /* XGI_Sense30x(); */ /* Yi-Lin TV Sense? */
1793 break;
1794 }
1795
1796 cr32 = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR32);
1797
1798 if ((cr32 & XGI_CRT1) && !XGIfb_crt1off)
1799 XGIfb_crt1off = 0;
1800 else {
1801 if (cr32 & 0x5F)
1802 XGIfb_crt1off = 1;
1803 else
1804 XGIfb_crt1off = 0;
1805 }
1806
1807 if (XGIfb_crt2type != -1)
1808 /* TW: Override with option */
1809 xgifb_info->disp_state = XGIfb_crt2type;
1810 else if (cr32 & XGI_VB_TV)
1811 xgifb_info->disp_state = DISPTYPE_TV;
1812 else if (cr32 & XGI_VB_LCD)
1813 xgifb_info->disp_state = DISPTYPE_LCD;
1814 else if (cr32 & XGI_VB_CRT2)
1815 xgifb_info->disp_state = DISPTYPE_CRT2;
1816 else
1817 xgifb_info->disp_state = 0;
1818
1819 if (XGIfb_tvplug != -1)
1820 /* PR/TW: Override with option */
1821 xgifb_info->TV_plug = XGIfb_tvplug;
1822 else if (cr32 & XGI_VB_HIVISION) {
1823 xgifb_info->TV_type = TVMODE_HIVISION;
1824 xgifb_info->TV_plug = TVPLUG_SVIDEO;
1825 } else if (cr32 & XGI_VB_SVIDEO)
1826 xgifb_info->TV_plug = TVPLUG_SVIDEO;
1827 else if (cr32 & XGI_VB_COMPOSITE)
1828 xgifb_info->TV_plug = TVPLUG_COMPOSITE;
1829 else if (cr32 & XGI_VB_SCART)
1830 xgifb_info->TV_plug = TVPLUG_SCART;
1831
1832 if (xgifb_info->TV_type == 0) {
1833 temp = xgifb_reg_get(XGICR, 0x38);
1834 if (temp & 0x10)
1835 xgifb_info->TV_type = TVMODE_PAL;
1836 else
1837 xgifb_info->TV_type = TVMODE_NTSC;
1838 }
1839
1840 /* TW: Copy forceCRT1 option to CRT1off if option is given */
1841 if (XGIfb_forcecrt1 != -1) {
1842 if (XGIfb_forcecrt1)
1843 XGIfb_crt1off = 0;
1844 else
1845 XGIfb_crt1off = 1;
1846 }
1847 }
1848
1849 static int XGIfb_has_VB(struct xgifb_video_info *xgifb_info)
1850 {
1851 u8 vb_chipid;
1852
1853 vb_chipid = xgifb_reg_get(XGIPART4, 0x00);
1854 switch (vb_chipid) {
1855 case 0x01:
1856 xgifb_info->hasVB = HASVB_301;
1857 break;
1858 case 0x02:
1859 xgifb_info->hasVB = HASVB_302;
1860 break;
1861 default:
1862 xgifb_info->hasVB = HASVB_NONE;
1863 return 0;
1864 }
1865 return 1;
1866 }
1867
1868 static void XGIfb_get_VB_type(struct xgifb_video_info *xgifb_info)
1869 {
1870 u8 reg;
1871
1872 if (!XGIfb_has_VB(xgifb_info)) {
1873 reg = xgifb_reg_get(XGICR, IND_XGI_SCRATCH_REG_CR37);
1874 switch ((reg & XGI_EXTERNAL_CHIP_MASK) >> 1) {
1875 case XGI310_EXTERNAL_CHIP_LVDS:
1876 xgifb_info->hasVB = HASVB_LVDS;
1877 break;
1878 case XGI310_EXTERNAL_CHIP_LVDS_CHRONTEL:
1879 xgifb_info->hasVB = HASVB_LVDS_CHRONTEL;
1880 break;
1881 default:
1882 break;
1883 }
1884 }
1885 }
1886
1887 static int __init xgifb_optval(char *fullopt, int validx)
1888 {
1889 unsigned long lres;
1890
1891 if (kstrtoul(fullopt + validx, 0, &lres) < 0 || lres > INT_MAX) {
1892 pr_err("xgifb: invalid value for option: %s\n", fullopt);
1893 return 0;
1894 }
1895 return lres;
1896 }
1897
1898 static int __init XGIfb_setup(char *options)
1899 {
1900 char *this_opt;
1901
1902 if (!options || !*options)
1903 return 0;
1904
1905 pr_info("xgifb: options: %s\n", options);
1906
1907 while ((this_opt = strsep(&options, ",")) != NULL) {
1908
1909 if (!*this_opt)
1910 continue;
1911
1912 if (!strncmp(this_opt, "mode:", 5)) {
1913 mode = this_opt + 5;
1914 } else if (!strncmp(this_opt, "vesa:", 5)) {
1915 vesa = xgifb_optval(this_opt, 5);
1916 } else if (!strncmp(this_opt, "vrate:", 6)) {
1917 refresh_rate = xgifb_optval(this_opt, 6);
1918 } else if (!strncmp(this_opt, "rate:", 5)) {
1919 refresh_rate = xgifb_optval(this_opt, 5);
1920 } else if (!strncmp(this_opt, "crt1off", 7)) {
1921 XGIfb_crt1off = 1;
1922 } else if (!strncmp(this_opt, "filter:", 7)) {
1923 filter = xgifb_optval(this_opt, 7);
1924 } else if (!strncmp(this_opt, "forcecrt2type:", 14)) {
1925 XGIfb_search_crt2type(this_opt + 14);
1926 } else if (!strncmp(this_opt, "forcecrt1:", 10)) {
1927 XGIfb_forcecrt1 = xgifb_optval(this_opt, 10);
1928 } else if (!strncmp(this_opt, "tvmode:", 7)) {
1929 XGIfb_search_tvstd(this_opt + 7);
1930 } else if (!strncmp(this_opt, "tvstandard:", 11)) {
1931 XGIfb_search_tvstd(this_opt + 7);
1932 } else if (!strncmp(this_opt, "dstn", 4)) {
1933 enable_dstn = 1;
1934 /* TW: DSTN overrules forcecrt2type */
1935 XGIfb_crt2type = DISPTYPE_LCD;
1936 } else if (!strncmp(this_opt, "noypan", 6)) {
1937 XGIfb_ypan = 0;
1938 } else if (!strncmp(this_opt, "userom:", 7)) {
1939 XGIfb_userom = xgifb_optval(this_opt, 7);
1940 } else {
1941 mode = this_opt;
1942 }
1943 }
1944 return 0;
1945 }
1946
1947 static unsigned char *xgifb_copy_rom(struct pci_dev *dev)
1948 {
1949 void __iomem *rom_address;
1950 unsigned char *rom_copy;
1951 size_t rom_size;
1952
1953 rom_address = pci_map_rom(dev, &rom_size);
1954 if (rom_address == NULL)
1955 return NULL;
1956
1957 rom_copy = vzalloc(XGIFB_ROM_SIZE);
1958 if (rom_copy == NULL)
1959 goto done;
1960
1961 rom_size = min_t(size_t, rom_size, XGIFB_ROM_SIZE);
1962 memcpy_fromio(rom_copy, rom_address, rom_size);
1963
1964 done:
1965 pci_unmap_rom(dev, rom_address);
1966 return rom_copy;
1967 }
1968
1969 static int __devinit xgifb_probe(struct pci_dev *pdev,
1970 const struct pci_device_id *ent)
1971 {
1972 u8 reg, reg1;
1973 u8 CR48, CR38;
1974 int ret;
1975 bool xgi21_drvlcdcaplist = false;
1976 struct fb_info *fb_info;
1977 struct xgifb_video_info *xgifb_info;
1978 struct xgi_hw_device_info *hw_info;
1979
1980 fb_info = framebuffer_alloc(sizeof(*xgifb_info), &pdev->dev);
1981 if (!fb_info)
1982 return -ENOMEM;
1983
1984 xgifb_info = fb_info->par;
1985 hw_info = &xgifb_info->hw_info;
1986 xgifb_info->fb_info = fb_info;
1987 xgifb_info->chip_id = pdev->device;
1988 pci_read_config_byte(pdev,
1989 PCI_REVISION_ID,
1990 &xgifb_info->revision_id);
1991 hw_info->jChipRevision = xgifb_info->revision_id;
1992
1993 xgifb_info->pcibus = pdev->bus->number;
1994 xgifb_info->pcislot = PCI_SLOT(pdev->devfn);
1995 xgifb_info->pcifunc = PCI_FUNC(pdev->devfn);
1996 xgifb_info->subsysvendor = pdev->subsystem_vendor;
1997 xgifb_info->subsysdevice = pdev->subsystem_device;
1998
1999 xgifb_info->video_base = pci_resource_start(pdev, 0);
2000 xgifb_info->mmio_base = pci_resource_start(pdev, 1);
2001 xgifb_info->mmio_size = pci_resource_len(pdev, 1);
2002 xgifb_info->vga_base = pci_resource_start(pdev, 2) + 0x30;
2003 hw_info->pjIOAddress = (unsigned char *)xgifb_info->vga_base;
2004 /* XGI_Pr.RelIO = ioremap(pci_resource_start(pdev, 2), 128) + 0x30; */
2005 printk("XGIfb: Relocate IO address: %lx [%08lx]\n",
2006 (unsigned long)pci_resource_start(pdev, 2),
2007 xgifb_info->dev_info.RelIO);
2008
2009 if (pci_enable_device(pdev)) {
2010 ret = -EIO;
2011 goto error;
2012 }
2013
2014 XGIRegInit(&xgifb_info->dev_info, (unsigned long)hw_info->pjIOAddress);
2015
2016 xgifb_reg_set(XGISR, IND_XGI_PASSWORD, XGI_PASSWORD);
2017 reg1 = xgifb_reg_get(XGISR, IND_XGI_PASSWORD);
2018
2019 if (reg1 != 0xa1) { /*I/O error */
2020 printk("\nXGIfb: I/O error!!!");
2021 ret = -EIO;
2022 goto error;
2023 }
2024
2025 switch (xgifb_info->chip_id) {
2026 case PCI_DEVICE_ID_XG_20:
2027 xgifb_reg_or(XGICR, Index_CR_GPIO_Reg3, GPIOG_EN);
2028 CR48 = xgifb_reg_get(XGICR, Index_CR_GPIO_Reg1);
2029 if (CR48&GPIOG_READ)
2030 xgifb_info->chip = XG21;
2031 else
2032 xgifb_info->chip = XG20;
2033 break;
2034 case PCI_DEVICE_ID_XG_40:
2035 xgifb_info->chip = XG40;
2036 break;
2037 case PCI_DEVICE_ID_XG_41:
2038 xgifb_info->chip = XG41;
2039 break;
2040 case PCI_DEVICE_ID_XG_42:
2041 xgifb_info->chip = XG42;
2042 break;
2043 case PCI_DEVICE_ID_XG_27:
2044 xgifb_info->chip = XG27;
2045 break;
2046 default:
2047 ret = -ENODEV;
2048 goto error;
2049 }
2050
2051 printk("XGIfb:chipid = %x\n", xgifb_info->chip);
2052 hw_info->jChipType = xgifb_info->chip;
2053
2054 if ((xgifb_info->chip == XG21) || (XGIfb_userom)) {
2055 hw_info->pjVirtualRomBase = xgifb_copy_rom(pdev);
2056 if (hw_info->pjVirtualRomBase)
2057 printk(KERN_INFO "XGIfb: Video ROM found and mapped to %p\n",
2058 hw_info->pjVirtualRomBase);
2059 else
2060 printk(KERN_INFO "XGIfb: Video ROM not found\n");
2061 } else {
2062 hw_info->pjVirtualRomBase = NULL;
2063 printk(KERN_INFO "XGIfb: Video ROM usage disabled\n");
2064 }
2065
2066 if (XGIfb_get_dram_size(xgifb_info)) {
2067 printk(KERN_INFO "XGIfb: Fatal error: Unable to determine RAM size.\n");
2068 ret = -ENODEV;
2069 goto error;
2070 }
2071
2072 /* Enable PCI_LINEAR_ADDRESSING and MMIO_ENABLE */
2073 xgifb_reg_or(XGISR,
2074 IND_XGI_PCI_ADDRESS_SET,
2075 (XGI_PCI_ADDR_ENABLE | XGI_MEM_MAP_IO_ENABLE));
2076 /* Enable 2D accelerator engine */
2077 xgifb_reg_or(XGISR, IND_XGI_MODULE_ENABLE, XGI_ENABLE_2D);
2078
2079 hw_info->ulVideoMemorySize = xgifb_info->video_size;
2080
2081 if (!request_mem_region(xgifb_info->video_base,
2082 xgifb_info->video_size,
2083 "XGIfb FB")) {
2084 printk("unable request memory size %x",
2085 xgifb_info->video_size);
2086 printk(KERN_ERR "XGIfb: Fatal error: Unable to reserve frame buffer memory\n");
2087 printk(KERN_ERR "XGIfb: Is there another framebuffer driver active?\n");
2088 ret = -ENODEV;
2089 goto error;
2090 }
2091
2092 if (!request_mem_region(xgifb_info->mmio_base,
2093 xgifb_info->mmio_size,
2094 "XGIfb MMIO")) {
2095 printk(KERN_ERR "XGIfb: Fatal error: Unable to reserve MMIO region\n");
2096 ret = -ENODEV;
2097 goto error_0;
2098 }
2099
2100 xgifb_info->video_vbase = hw_info->pjVideoMemoryAddress =
2101 ioremap(xgifb_info->video_base, xgifb_info->video_size);
2102 xgifb_info->mmio_vbase = ioremap(xgifb_info->mmio_base,
2103 xgifb_info->mmio_size);
2104
2105 printk(KERN_INFO "XGIfb: Framebuffer at 0x%lx, mapped to 0x%p, size %dk\n",
2106 xgifb_info->video_base,
2107 xgifb_info->video_vbase,
2108 xgifb_info->video_size / 1024);
2109
2110 printk(KERN_INFO "XGIfb: MMIO at 0x%lx, mapped to 0x%p, size %ldk\n",
2111 xgifb_info->mmio_base, xgifb_info->mmio_vbase,
2112 xgifb_info->mmio_size / 1024);
2113 printk("XGIfb: XGIInitNew() ...");
2114 pci_set_drvdata(pdev, xgifb_info);
2115 if (XGIInitNew(pdev))
2116 printk("OK\n");
2117 else
2118 printk("Fail\n");
2119
2120 xgifb_info->mtrr = (unsigned int) 0;
2121
2122 xgifb_info->hasVB = HASVB_NONE;
2123 if ((xgifb_info->chip == XG20) ||
2124 (xgifb_info->chip == XG27)) {
2125 xgifb_info->hasVB = HASVB_NONE;
2126 } else if (xgifb_info->chip == XG21) {
2127 CR38 = xgifb_reg_get(XGICR, 0x38);
2128 if ((CR38&0xE0) == 0xC0) {
2129 xgifb_info->disp_state = DISPTYPE_LCD;
2130 if (!XGIfb_GetXG21LVDSData(xgifb_info))
2131 xgi21_drvlcdcaplist = true;
2132 } else if ((CR38&0xE0) == 0x60) {
2133 xgifb_info->hasVB = HASVB_CHRONTEL;
2134 } else {
2135 xgifb_info->hasVB = HASVB_NONE;
2136 }
2137 } else {
2138 XGIfb_get_VB_type(xgifb_info);
2139 }
2140
2141 hw_info->ujVBChipID = VB_CHIP_UNKNOWN;
2142
2143 hw_info->ulExternalChip = 0;
2144
2145 switch (xgifb_info->hasVB) {
2146 case HASVB_301:
2147 reg = xgifb_reg_get(XGIPART4, 0x01);
2148 if (reg >= 0xE0) {
2149 hw_info->ujVBChipID = VB_CHIP_302LV;
2150 printk(KERN_INFO "XGIfb: XGI302LV bridge detected (revision 0x%02x)\n", reg);
2151 } else if (reg >= 0xD0) {
2152 hw_info->ujVBChipID = VB_CHIP_301LV;
2153 printk(KERN_INFO "XGIfb: XGI301LV bridge detected (revision 0x%02x)\n", reg);
2154 }
2155 /* else if (reg >= 0xB0) {
2156 hw_info->ujVBChipID = VB_CHIP_301B;
2157 reg1 = xgifb_reg_get(XGIPART4, 0x23);
2158 printk("XGIfb: XGI301B bridge detected\n");
2159 } */
2160 else {
2161 hw_info->ujVBChipID = VB_CHIP_301;
2162 printk("XGIfb: XGI301 bridge detected\n");
2163 }
2164 break;
2165 case HASVB_302:
2166 reg = xgifb_reg_get(XGIPART4, 0x01);
2167 if (reg >= 0xE0) {
2168 hw_info->ujVBChipID = VB_CHIP_302LV;
2169 printk(KERN_INFO "XGIfb: XGI302LV bridge detected (revision 0x%02x)\n", reg);
2170 } else if (reg >= 0xD0) {
2171 hw_info->ujVBChipID = VB_CHIP_301LV;
2172 printk(KERN_INFO "XGIfb: XGI302LV bridge detected (revision 0x%02x)\n", reg);
2173 } else if (reg >= 0xB0) {
2174 reg1 = xgifb_reg_get(XGIPART4, 0x23);
2175
2176 hw_info->ujVBChipID = VB_CHIP_302B;
2177
2178 } else {
2179 hw_info->ujVBChipID = VB_CHIP_302;
2180 printk(KERN_INFO "XGIfb: XGI302 bridge detected\n");
2181 }
2182 break;
2183 case HASVB_LVDS:
2184 hw_info->ulExternalChip = 0x1;
2185 printk(KERN_INFO "XGIfb: LVDS transmitter detected\n");
2186 break;
2187 case HASVB_TRUMPION:
2188 hw_info->ulExternalChip = 0x2;
2189 printk(KERN_INFO "XGIfb: Trumpion Zurac LVDS scaler detected\n");
2190 break;
2191 case HASVB_CHRONTEL:
2192 hw_info->ulExternalChip = 0x4;
2193 printk(KERN_INFO "XGIfb: Chrontel TV encoder detected\n");
2194 break;
2195 case HASVB_LVDS_CHRONTEL:
2196 hw_info->ulExternalChip = 0x5;
2197 printk(KERN_INFO "XGIfb: LVDS transmitter and Chrontel TV encoder detected\n");
2198 break;
2199 default:
2200 printk(KERN_INFO "XGIfb: No or unknown bridge type detected\n");
2201 break;
2202 }
2203
2204 if (xgifb_info->hasVB != HASVB_NONE)
2205 XGIfb_detect_VB(xgifb_info);
2206
2207 if (xgifb_info->disp_state & DISPTYPE_LCD) {
2208 if (!enable_dstn) {
2209 reg = xgifb_reg_get(XGICR, IND_XGI_LCD_PANEL);
2210 reg &= 0x0f;
2211 hw_info->ulCRT2LCDType = XGI310paneltype[reg];
2212
2213 } else {
2214 /* TW: FSTN/DSTN */
2215 hw_info->ulCRT2LCDType = LCD_320x480;
2216 }
2217 }
2218
2219 if ((hw_info->ujVBChipID == VB_CHIP_302B) ||
2220 (hw_info->ujVBChipID == VB_CHIP_301LV) ||
2221 (hw_info->ujVBChipID == VB_CHIP_302LV)) {
2222 int tmp;
2223 tmp = xgifb_reg_get(XGICR, 0x34);
2224 if (tmp <= 0x13) {
2225 /* Currently on LCDA?
2226 *(Some BIOSes leave CR38) */
2227 tmp = xgifb_reg_get(XGICR, 0x38);
2228 if ((tmp & 0x03) == 0x03) {
2229 /* XGI_Pr.XGI_UseLCDA = 1; */
2230 } else {
2231 /* Currently on LCDA?
2232 *(Some newer BIOSes set D0 in CR35) */
2233 tmp = xgifb_reg_get(XGICR, 0x35);
2234 if (tmp & 0x01) {
2235 /* XGI_Pr.XGI_UseLCDA = 1; */
2236 } else {
2237 tmp = xgifb_reg_get(XGICR,
2238 0x30);
2239 if (tmp & 0x20) {
2240 tmp = xgifb_reg_get(
2241 XGIPART1, 0x13);
2242 if (tmp & 0x04) {
2243 /* XGI_Pr.XGI_UseLCDA = 1; */
2244 }
2245 }
2246 }
2247 }
2248 }
2249
2250 }
2251
2252 xgifb_info->mode_idx = -1;
2253
2254 if (mode)
2255 XGIfb_search_mode(xgifb_info, mode);
2256 else if (vesa != -1)
2257 XGIfb_search_vesamode(xgifb_info, vesa);
2258
2259 if (xgifb_info->mode_idx >= 0)
2260 xgifb_info->mode_idx =
2261 XGIfb_validate_mode(xgifb_info, xgifb_info->mode_idx);
2262
2263 if (xgifb_info->mode_idx < 0) {
2264 if ((xgifb_info->disp_state & DISPTYPE_DISP2) ==
2265 DISPTYPE_LCD &&
2266 xgifb_info->chip == XG21)
2267 xgifb_info->mode_idx =
2268 XGIfb_GetXG21DefaultLVDSModeIdx();
2269 else
2270 xgifb_info->mode_idx = DEFAULT_MODE;
2271 }
2272
2273 if (xgifb_info->mode_idx < 0) {
2274 dev_err(&pdev->dev, "no supported video mode found\n");
2275 goto error_1;
2276 }
2277
2278 if (xgi21_drvlcdcaplist) {
2279 int m;
2280
2281 for (m = 0; m < ARRAY_SIZE(XGI21_LCDCapList); m++)
2282 if ((XGI21_LCDCapList[m].LVDSHDE ==
2283 XGIbios_mode[xgifb_info->mode_idx].xres) &&
2284 (XGI21_LCDCapList[m].LVDSVDE ==
2285 XGIbios_mode[xgifb_info->mode_idx].yres)) {
2286 xgifb_reg_set(xgifb_info->dev_info.P3d4,
2287 0x36,
2288 m);
2289 break;
2290 }
2291 }
2292
2293 /* yilin set default refresh rate */
2294 xgifb_info->refresh_rate = refresh_rate;
2295 if (xgifb_info->refresh_rate == 0)
2296 xgifb_info->refresh_rate = 60;
2297 if (XGIfb_search_refresh_rate(xgifb_info,
2298 xgifb_info->refresh_rate) == 0) {
2299 xgifb_info->rate_idx =
2300 XGIbios_mode[xgifb_info->mode_idx].rate_idx;
2301 xgifb_info->refresh_rate = 60;
2302 }
2303
2304 xgifb_info->video_bpp = XGIbios_mode[xgifb_info->mode_idx].bpp;
2305 xgifb_info->video_vwidth =
2306 xgifb_info->video_width =
2307 XGIbios_mode[xgifb_info->mode_idx].xres;
2308 xgifb_info->video_vheight =
2309 xgifb_info->video_height =
2310 XGIbios_mode[xgifb_info->mode_idx].yres;
2311 xgifb_info->org_x = xgifb_info->org_y = 0;
2312 xgifb_info->video_linelength =
2313 xgifb_info->video_width *
2314 (xgifb_info->video_bpp >> 3);
2315 switch (xgifb_info->video_bpp) {
2316 case 8:
2317 xgifb_info->DstColor = 0x0000;
2318 xgifb_info->XGI310_AccelDepth = 0x00000000;
2319 xgifb_info->video_cmap_len = 256;
2320 break;
2321 case 16:
2322 xgifb_info->DstColor = 0x8000;
2323 xgifb_info->XGI310_AccelDepth = 0x00010000;
2324 xgifb_info->video_cmap_len = 16;
2325 break;
2326 case 32:
2327 xgifb_info->DstColor = 0xC000;
2328 xgifb_info->XGI310_AccelDepth = 0x00020000;
2329 xgifb_info->video_cmap_len = 16;
2330 break;
2331 default:
2332 xgifb_info->video_cmap_len = 16;
2333 printk(KERN_INFO "XGIfb: Unsupported depth %d",
2334 xgifb_info->video_bpp);
2335 break;
2336 }
2337
2338 printk(KERN_INFO "XGIfb: Default mode is %dx%dx%d (%dHz)\n",
2339 xgifb_info->video_width,
2340 xgifb_info->video_height,
2341 xgifb_info->video_bpp,
2342 xgifb_info->refresh_rate);
2343
2344 fb_info->var.red.length = 8;
2345 fb_info->var.green.length = 8;
2346 fb_info->var.blue.length = 8;
2347 fb_info->var.activate = FB_ACTIVATE_NOW;
2348 fb_info->var.height = -1;
2349 fb_info->var.width = -1;
2350 fb_info->var.vmode = FB_VMODE_NONINTERLACED;
2351 fb_info->var.xres = xgifb_info->video_width;
2352 fb_info->var.xres_virtual = xgifb_info->video_width;
2353 fb_info->var.yres = xgifb_info->video_height;
2354 fb_info->var.yres_virtual = xgifb_info->video_height;
2355 fb_info->var.bits_per_pixel = xgifb_info->video_bpp;
2356
2357 XGIfb_bpp_to_var(xgifb_info, &fb_info->var);
2358
2359 fb_info->var.pixclock = (u32) (1000000000 /
2360 XGIfb_mode_rate_to_dclock(&xgifb_info->dev_info,
2361 hw_info,
2362 XGIbios_mode[xgifb_info->mode_idx].mode_no,
2363 xgifb_info->rate_idx));
2364
2365 if (XGIfb_mode_rate_to_ddata(&xgifb_info->dev_info, hw_info,
2366 XGIbios_mode[xgifb_info->mode_idx].mode_no,
2367 xgifb_info->rate_idx,
2368 &fb_info->var.left_margin,
2369 &fb_info->var.right_margin,
2370 &fb_info->var.upper_margin,
2371 &fb_info->var.lower_margin,
2372 &fb_info->var.hsync_len,
2373 &fb_info->var.vsync_len,
2374 &fb_info->var.sync,
2375 &fb_info->var.vmode)) {
2376
2377 if ((fb_info->var.vmode & FB_VMODE_MASK) ==
2378 FB_VMODE_INTERLACED) {
2379 fb_info->var.yres <<= 1;
2380 fb_info->var.yres_virtual <<= 1;
2381 } else if ((fb_info->var.vmode & FB_VMODE_MASK) ==
2382 FB_VMODE_DOUBLE) {
2383 fb_info->var.pixclock >>= 1;
2384 fb_info->var.yres >>= 1;
2385 fb_info->var.yres_virtual >>= 1;
2386 }
2387
2388 }
2389
2390 strncpy(fb_info->fix.id, "XGI", sizeof(fb_info->fix.id) - 1);
2391 fb_info->fix.type = FB_TYPE_PACKED_PIXELS;
2392 fb_info->fix.xpanstep = 1;
2393 fb_info->fix.ypanstep = 1;
2394
2395 fb_info->flags = FBINFO_FLAG_DEFAULT;
2396 fb_info->screen_base = xgifb_info->video_vbase;
2397 fb_info->fbops = &XGIfb_ops;
2398 XGIfb_get_fix(&fb_info->fix, -1, fb_info);
2399 fb_info->pseudo_palette = xgifb_info->pseudo_palette;
2400
2401 fb_alloc_cmap(&fb_info->cmap, 256 , 0);
2402
2403 #ifdef CONFIG_MTRR
2404 xgifb_info->mtrr = mtrr_add(xgifb_info->video_base,
2405 xgifb_info->video_size, MTRR_TYPE_WRCOMB, 1);
2406 if (xgifb_info->mtrr >= 0)
2407 dev_info(&pdev->dev, "added MTRR\n");
2408 #endif
2409
2410 if (register_framebuffer(fb_info) < 0) {
2411 ret = -EINVAL;
2412 goto error_mtrr;
2413 }
2414
2415 dumpVGAReg();
2416
2417 return 0;
2418
2419 error_mtrr:
2420 #ifdef CONFIG_MTRR
2421 if (xgifb_info->mtrr >= 0)
2422 mtrr_del(xgifb_info->mtrr, xgifb_info->video_base,
2423 xgifb_info->video_size);
2424 #endif /* CONFIG_MTRR */
2425 error_1:
2426 iounmap(xgifb_info->mmio_vbase);
2427 iounmap(xgifb_info->video_vbase);
2428 release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
2429 error_0:
2430 release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
2431 error:
2432 vfree(hw_info->pjVirtualRomBase);
2433 framebuffer_release(fb_info);
2434 return ret;
2435 }
2436
2437 /*****************************************************/
2438 /* PCI DEVICE HANDLING */
2439 /*****************************************************/
2440
2441 static void __devexit xgifb_remove(struct pci_dev *pdev)
2442 {
2443 struct xgifb_video_info *xgifb_info = pci_get_drvdata(pdev);
2444 struct fb_info *fb_info = xgifb_info->fb_info;
2445
2446 unregister_framebuffer(fb_info);
2447 #ifdef CONFIG_MTRR
2448 if (xgifb_info->mtrr >= 0)
2449 mtrr_del(xgifb_info->mtrr, xgifb_info->video_base,
2450 xgifb_info->video_size);
2451 #endif /* CONFIG_MTRR */
2452 iounmap(xgifb_info->mmio_vbase);
2453 iounmap(xgifb_info->video_vbase);
2454 release_mem_region(xgifb_info->mmio_base, xgifb_info->mmio_size);
2455 release_mem_region(xgifb_info->video_base, xgifb_info->video_size);
2456 vfree(xgifb_info->hw_info.pjVirtualRomBase);
2457 framebuffer_release(fb_info);
2458 pci_set_drvdata(pdev, NULL);
2459 }
2460
2461 static struct pci_driver xgifb_driver = {
2462 .name = "xgifb",
2463 .id_table = xgifb_pci_table,
2464 .probe = xgifb_probe,
2465 .remove = __devexit_p(xgifb_remove)
2466 };
2467
2468 static int __init xgifb_init(void)
2469 {
2470 char *option = NULL;
2471
2472 if (fb_get_options("xgifb", &option))
2473 return -ENODEV;
2474 XGIfb_setup(option);
2475
2476 return pci_register_driver(&xgifb_driver);
2477 }
2478
2479 module_init(xgifb_init);
2480
2481 /*****************************************************/
2482 /* MODULE */
2483 /*****************************************************/
2484
2485 #ifdef MODULE
2486
2487 MODULE_DESCRIPTION("Z7 Z9 Z9S Z11 framebuffer device driver");
2488 MODULE_LICENSE("GPL");
2489 MODULE_AUTHOR("XGITECH , Others");
2490
2491 module_param(mode, charp, 0);
2492 module_param(vesa, int, 0);
2493 module_param(filter, int, 0);
2494
2495 MODULE_PARM_DESC(mode,
2496 "\nSelects the desired default display mode in the format XxYxDepth,\n"
2497 "eg. 1024x768x16.\n");
2498
2499 MODULE_PARM_DESC(vesa,
2500 "\nSelects the desired default display mode by VESA mode number, eg.\n"
2501 "0x117.\n");
2502
2503 MODULE_PARM_DESC(filter,
2504 "\nSelects TV flicker filter type (only for systems with a SiS301 video bridge).\n"
2505 "(Possible values 0-7, default: [no filter])\n");
2506
2507 static void __exit xgifb_remove_module(void)
2508 {
2509 pci_unregister_driver(&xgifb_driver);
2510 printk(KERN_DEBUG "xgifb: Module unloaded\n");
2511 }
2512
2513 module_exit(xgifb_remove_module);
2514
2515 #endif /* /MODULE */
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree