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[PATCH] nvidiafb: fix unreachable code in nv10GetConfig
[linux-2.6/x86.git] / drivers / video / nvidia / nv_setup.c
blobeab3e282a4de17f6bb736f64d3aa3aa78104a11c
1 /***************************************************************************\
2 |* *|
3 |* Copyright 2003 NVIDIA, Corporation. All rights reserved. *|
4 |* *|
5 |* NOTICE TO USER: The source code is copyrighted under U.S. and *|
6 |* international laws. Users and possessors of this source code are *|
7 |* hereby granted a nonexclusive, royalty-free copyright license to *|
8 |* use this code in individual and commercial software. *|
9 |* *|
10 |* Any use of this source code must include, in the user documenta- *|
11 |* tion and internal comments to the code, notices to the end user *|
12 |* as follows: *|
13 |* *|
14 |* Copyright 2003 NVIDIA, Corporation. All rights reserved. *|
15 |* *|
16 |* NVIDIA, CORPORATION MAKES NO REPRESENTATION ABOUT THE SUITABILITY *|
17 |* OF THIS SOURCE CODE FOR ANY PURPOSE. IT IS PROVIDED "AS IS" *|
18 |* WITHOUT EXPRESS OR IMPLIED WARRANTY OF ANY KIND. NVIDIA, CORPOR- *|
19 |* ATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOURCE CODE, *|
20 |* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGE- *|
21 |* MENT, AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL *|
22 |* NVIDIA, CORPORATION BE LIABLE FOR ANY SPECIAL, INDIRECT, INCI- *|
23 |* DENTAL, OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RE- *|
24 |* SULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION *|
25 |* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF *|
26 |* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOURCE CODE. *|
27 |* *|
28 |* U.S. Government End Users. This source code is a "commercial *|
29 |* item," as that term is defined at 48 C.F.R. 2.101 (OCT 1995), *|
30 |* consisting of "commercial computer software" and "commercial *|
31 |* computer software documentation," as such terms are used in *|
32 |* 48 C.F.R. 12.212 (SEPT 1995) and is provided to the U.S. Govern- *|
33 |* ment only as a commercial end item. Consistent with 48 C.F.R. *|
34 |* 12.212 and 48 C.F.R. 227.7202-1 through 227.7202-4 (JUNE 1995), *|
35 |* all U.S. Government End Users acquire the source code with only *|
36 |* those rights set forth herein. *|
37 |* *|
38 \***************************************************************************/
39
40 /*
41 * GPL Licensing Note - According to Mark Vojkovich, author of the Xorg/
42 * XFree86 'nv' driver, this source code is provided under MIT-style licensing
43 * where the source code is provided "as is" without warranty of any kind.
44 * The only usage restriction is for the copyright notices to be retained
45 * whenever code is used.
46 *
47 * Antonino Daplas <adaplas@pol.net> 2005-03-11
48 */
49
50 #include <video/vga.h>
51 #include <linux/delay.h>
52 #include <linux/pci.h>
53 #include "nv_type.h"
54 #include "nv_local.h"
55 #include "nv_proto.h"
56 /*
57 * Override VGA I/O routines.
58 */
59 void NVWriteCrtc(struct nvidia_par *par, u8 index, u8 value)
60 {
61 VGA_WR08(par->PCIO, par->IOBase + 0x04, index);
62 VGA_WR08(par->PCIO, par->IOBase + 0x05, value);
63 }
64 u8 NVReadCrtc(struct nvidia_par *par, u8 index)
65 {
66 VGA_WR08(par->PCIO, par->IOBase + 0x04, index);
67 return (VGA_RD08(par->PCIO, par->IOBase + 0x05));
68 }
69 void NVWriteGr(struct nvidia_par *par, u8 index, u8 value)
70 {
71 VGA_WR08(par->PVIO, VGA_GFX_I, index);
72 VGA_WR08(par->PVIO, VGA_GFX_D, value);
73 }
74 u8 NVReadGr(struct nvidia_par *par, u8 index)
75 {
76 VGA_WR08(par->PVIO, VGA_GFX_I, index);
77 return (VGA_RD08(par->PVIO, VGA_GFX_D));
78 }
79 void NVWriteSeq(struct nvidia_par *par, u8 index, u8 value)
80 {
81 VGA_WR08(par->PVIO, VGA_SEQ_I, index);
82 VGA_WR08(par->PVIO, VGA_SEQ_D, value);
83 }
84 u8 NVReadSeq(struct nvidia_par *par, u8 index)
85 {
86 VGA_WR08(par->PVIO, VGA_SEQ_I, index);
87 return (VGA_RD08(par->PVIO, VGA_SEQ_D));
88 }
89 void NVWriteAttr(struct nvidia_par *par, u8 index, u8 value)
90 {
91 volatile u8 tmp;
92
93 tmp = VGA_RD08(par->PCIO, par->IOBase + 0x0a);
94 if (par->paletteEnabled)
95 index &= ~0x20;
96 else
97 index |= 0x20;
98 VGA_WR08(par->PCIO, VGA_ATT_IW, index);
99 VGA_WR08(par->PCIO, VGA_ATT_W, value);
100 }
101 u8 NVReadAttr(struct nvidia_par *par, u8 index)
102 {
103 volatile u8 tmp;
104
105 tmp = VGA_RD08(par->PCIO, par->IOBase + 0x0a);
106 if (par->paletteEnabled)
107 index &= ~0x20;
108 else
109 index |= 0x20;
110 VGA_WR08(par->PCIO, VGA_ATT_IW, index);
111 return (VGA_RD08(par->PCIO, VGA_ATT_R));
112 }
113 void NVWriteMiscOut(struct nvidia_par *par, u8 value)
114 {
115 VGA_WR08(par->PVIO, VGA_MIS_W, value);
116 }
117 u8 NVReadMiscOut(struct nvidia_par *par)
118 {
119 return (VGA_RD08(par->PVIO, VGA_MIS_R));
120 }
121 #if 0
122 void NVEnablePalette(struct nvidia_par *par)
123 {
124 volatile u8 tmp;
125
126 tmp = VGA_RD08(par->PCIO, par->IOBase + 0x0a);
127 VGA_WR08(par->PCIO, VGA_ATT_IW, 0x00);
128 par->paletteEnabled = 1;
129 }
130 void NVDisablePalette(struct nvidia_par *par)
131 {
132 volatile u8 tmp;
133
134 tmp = VGA_RD08(par->PCIO, par->IOBase + 0x0a);
135 VGA_WR08(par->PCIO, VGA_ATT_IW, 0x20);
136 par->paletteEnabled = 0;
137 }
138 #endif /* 0 */
139 void NVWriteDacMask(struct nvidia_par *par, u8 value)
140 {
141 VGA_WR08(par->PDIO, VGA_PEL_MSK, value);
142 }
143 #if 0
144 u8 NVReadDacMask(struct nvidia_par *par)
145 {
146 return (VGA_RD08(par->PDIO, VGA_PEL_MSK));
147 }
148 #endif /* 0 */
149 void NVWriteDacReadAddr(struct nvidia_par *par, u8 value)
150 {
151 VGA_WR08(par->PDIO, VGA_PEL_IR, value);
152 }
153 void NVWriteDacWriteAddr(struct nvidia_par *par, u8 value)
154 {
155 VGA_WR08(par->PDIO, VGA_PEL_IW, value);
156 }
157 void NVWriteDacData(struct nvidia_par *par, u8 value)
158 {
159 VGA_WR08(par->PDIO, VGA_PEL_D, value);
160 }
161 u8 NVReadDacData(struct nvidia_par *par)
162 {
163 return (VGA_RD08(par->PDIO, VGA_PEL_D));
164 }
165
166 static int NVIsConnected(struct nvidia_par *par, int output)
167 {
168 volatile u32 __iomem *PRAMDAC = par->PRAMDAC0;
169 u32 reg52C, reg608;
170 int present;
171
172 if (output)
173 PRAMDAC += 0x800;
174
175 reg52C = NV_RD32(PRAMDAC, 0x052C);
176 reg608 = NV_RD32(PRAMDAC, 0x0608);
177
178 NV_WR32(PRAMDAC, 0x0608, reg608 & ~0x00010000);
179
180 NV_WR32(PRAMDAC, 0x052C, reg52C & 0x0000FEEE);
181 msleep(1);
182 NV_WR32(PRAMDAC, 0x052C, NV_RD32(PRAMDAC, 0x052C) | 1);
183
184 NV_WR32(par->PRAMDAC0, 0x0610, 0x94050140);
185 NV_WR32(par->PRAMDAC0, 0x0608, NV_RD32(par->PRAMDAC0, 0x0608) |
186 0x00001000);
187
188 msleep(1);
189
190 present = (NV_RD32(PRAMDAC, 0x0608) & (1 << 28)) ? 1 : 0;
191
192 if (present)
193 printk("nvidiafb: CRTC%i analog found\n", output);
194 else
195 printk("nvidiafb: CRTC%i analog not found\n", output);
196
197 NV_WR32(par->PRAMDAC0, 0x0608, NV_RD32(par->PRAMDAC0, 0x0608) &
198 0x0000EFFF);
199
200 NV_WR32(PRAMDAC, 0x052C, reg52C);
201 NV_WR32(PRAMDAC, 0x0608, reg608);
202
203 return present;
204 }
205
206 static void NVSelectHeadRegisters(struct nvidia_par *par, int head)
207 {
208 if (head) {
209 par->PCIO = par->PCIO0 + 0x2000;
210 par->PCRTC = par->PCRTC0 + 0x800;
211 par->PRAMDAC = par->PRAMDAC0 + 0x800;
212 par->PDIO = par->PDIO0 + 0x2000;
213 } else {
214 par->PCIO = par->PCIO0;
215 par->PCRTC = par->PCRTC0;
216 par->PRAMDAC = par->PRAMDAC0;
217 par->PDIO = par->PDIO0;
218 }
219 }
220
221 static void nv4GetConfig(struct nvidia_par *par)
222 {
223 if (NV_RD32(par->PFB, 0x0000) & 0x00000100) {
224 par->RamAmountKBytes =
225 ((NV_RD32(par->PFB, 0x0000) >> 12) & 0x0F) * 1024 * 2 +
226 1024 * 2;
227 } else {
228 switch (NV_RD32(par->PFB, 0x0000) & 0x00000003) {
229 case 0:
230 par->RamAmountKBytes = 1024 * 32;
231 break;
232 case 1:
233 par->RamAmountKBytes = 1024 * 4;
234 break;
235 case 2:
236 par->RamAmountKBytes = 1024 * 8;
237 break;
238 case 3:
239 default:
240 par->RamAmountKBytes = 1024 * 16;
241 break;
242 }
243 }
244 par->CrystalFreqKHz = (NV_RD32(par->PEXTDEV, 0x0000) & 0x00000040) ?
245 14318 : 13500;
246 par->CURSOR = &par->PRAMIN[0x1E00];
247 par->MinVClockFreqKHz = 12000;
248 par->MaxVClockFreqKHz = 350000;
249 }
250
251 static void nv10GetConfig(struct nvidia_par *par)
252 {
253 struct pci_dev *dev;
254 u32 implementation = par->Chipset & 0x0ff0;
255
256 #ifdef __BIG_ENDIAN
257 /* turn on big endian register access */
258 if (!(NV_RD32(par->PMC, 0x0004) & 0x01000001)) {
259 NV_WR32(par->PMC, 0x0004, 0x01000001);
260 mb();
261 }
262 #endif
263
264 dev = pci_find_slot(0, 1);
265 if ((par->Chipset & 0xffff) == 0x01a0) {
266 int amt = 0;
267
268 pci_read_config_dword(dev, 0x7c, &amt);
269 par->RamAmountKBytes = (((amt >> 6) & 31) + 1) * 1024;
270 } else if ((par->Chipset & 0xffff) == 0x01f0) {
271 int amt = 0;
272
273 pci_read_config_dword(dev, 0x84, &amt);
274 par->RamAmountKBytes = (((amt >> 4) & 127) + 1) * 1024;
275 } else {
276 par->RamAmountKBytes =
277 (NV_RD32(par->PFB, 0x020C) & 0xFFF00000) >> 10;
278 }
279
280 par->CrystalFreqKHz = (NV_RD32(par->PEXTDEV, 0x0000) & (1 << 6)) ?
281 14318 : 13500;
282
283 if (par->twoHeads && (implementation != 0x0110)) {
284 if (NV_RD32(par->PEXTDEV, 0x0000) & (1 << 22))
285 par->CrystalFreqKHz = 27000;
286 }
287
288 par->CURSOR = NULL; /* can't set this here */
289 par->MinVClockFreqKHz = 12000;
290 par->MaxVClockFreqKHz = par->twoStagePLL ? 400000 : 350000;
291 }
292
293 int NVCommonSetup(struct fb_info *info)
294 {
295 struct nvidia_par *par = info->par;
296 struct fb_var_screeninfo *var;
297 u16 implementation = par->Chipset & 0x0ff0;
298 u8 *edidA = NULL, *edidB = NULL;
299 struct fb_monspecs *monitorA, *monitorB;
300 struct fb_monspecs *monA = NULL, *monB = NULL;
301 int mobile = 0;
302 int tvA = 0;
303 int tvB = 0;
304 int FlatPanel = -1; /* really means the CRTC is slaved */
305 int Television = 0;
306 int err = 0;
307
308 var = kzalloc(sizeof(struct fb_var_screeninfo), GFP_KERNEL);
309 monitorA = kzalloc(sizeof(struct fb_monspecs), GFP_KERNEL);
310 monitorB = kzalloc(sizeof(struct fb_monspecs), GFP_KERNEL);
311
312 if (!var || !monitorA || !monitorB) {
313 err = -ENOMEM;
314 goto done;
315 }
316
317 par->PRAMIN = par->REGS + (0x00710000 / 4);
318 par->PCRTC0 = par->REGS + (0x00600000 / 4);
319 par->PRAMDAC0 = par->REGS + (0x00680000 / 4);
320 par->PFB = par->REGS + (0x00100000 / 4);
321 par->PFIFO = par->REGS + (0x00002000 / 4);
322 par->PGRAPH = par->REGS + (0x00400000 / 4);
323 par->PEXTDEV = par->REGS + (0x00101000 / 4);
324 par->PTIMER = par->REGS + (0x00009000 / 4);
325 par->PMC = par->REGS + (0x00000000 / 4);
326 par->FIFO = par->REGS + (0x00800000 / 4);
327
328 /* 8 bit registers */
329 par->PCIO0 = (u8 __iomem *) par->REGS + 0x00601000;
330 par->PDIO0 = (u8 __iomem *) par->REGS + 0x00681000;
331 par->PVIO = (u8 __iomem *) par->REGS + 0x000C0000;
332
333 par->twoHeads = (par->Architecture >= NV_ARCH_10) &&
334 (implementation != 0x0100) &&
335 (implementation != 0x0150) &&
336 (implementation != 0x01A0) && (implementation != 0x0200);
337
338 par->fpScaler = (par->FpScale && par->twoHeads &&
339 (implementation != 0x0110));
340
341 par->twoStagePLL = (implementation == 0x0310) ||
342 (implementation == 0x0340) || (par->Architecture >= NV_ARCH_40);
343
344 par->WaitVSyncPossible = (par->Architecture >= NV_ARCH_10) &&
345 (implementation != 0x0100);
346
347 par->BlendingPossible = ((par->Chipset & 0xffff) != 0x0020);
348
349 /* look for known laptop chips */
350 switch (par->Chipset & 0xffff) {
351 case 0x0112:
352 case 0x0174:
353 case 0x0175:
354 case 0x0176:
355 case 0x0177:
356 case 0x0179:
357 case 0x017C:
358 case 0x017D:
359 case 0x0186:
360 case 0x0187:
361 case 0x018D:
362 case 0x0228:
363 case 0x0286:
364 case 0x028C:
365 case 0x0316:
366 case 0x0317:
367 case 0x031A:
368 case 0x031B:
369 case 0x031C:
370 case 0x031D:
371 case 0x031E:
372 case 0x031F:
373 case 0x0324:
374 case 0x0325:
375 case 0x0328:
376 case 0x0329:
377 case 0x032C:
378 case 0x032D:
379 case 0x0347:
380 case 0x0348:
381 case 0x0349:
382 case 0x034B:
383 case 0x034C:
384 case 0x0160:
385 case 0x0166:
386 case 0x0169:
387 case 0x016B:
388 case 0x016C:
389 case 0x016D:
390 case 0x00C8:
391 case 0x00CC:
392 case 0x0144:
393 case 0x0146:
394 case 0x0147:
395 case 0x0148:
396 case 0x0098:
397 case 0x0099:
398 mobile = 1;
399 break;
400 default:
401 break;
402 }
403
404 if (par->Architecture == NV_ARCH_04)
405 nv4GetConfig(par);
406 else
407 nv10GetConfig(par);
408
409 NVSelectHeadRegisters(par, 0);
410
411 NVLockUnlock(par, 0);
412
413 par->IOBase = (NVReadMiscOut(par) & 0x01) ? 0x3d0 : 0x3b0;
414
415 par->Television = 0;
416
417 nvidia_create_i2c_busses(par);
418 if (!par->twoHeads) {
419 par->CRTCnumber = 0;
420 if (nvidia_probe_i2c_connector(info, 1, &edidA))
421 nvidia_probe_of_connector(info, 1, &edidA);
422 if (edidA && !fb_parse_edid(edidA, var)) {
423 printk("nvidiafb: EDID found from BUS1\n");
424 monA = monitorA;
425 fb_edid_to_monspecs(edidA, monA);
426 FlatPanel = (monA->input & FB_DISP_DDI) ? 1 : 0;
427
428 /* NV4 doesn't support FlatPanels */
429 if ((par->Chipset & 0x0fff) <= 0x0020)
430 FlatPanel = 0;
431 } else {
432 VGA_WR08(par->PCIO, 0x03D4, 0x28);
433 if (VGA_RD08(par->PCIO, 0x03D5) & 0x80) {
434 VGA_WR08(par->PCIO, 0x03D4, 0x33);
435 if (!(VGA_RD08(par->PCIO, 0x03D5) & 0x01))
436 Television = 1;
437 FlatPanel = 1;
438 } else {
439 FlatPanel = 0;
440 }
441 printk("nvidiafb: HW is currently programmed for %s\n",
442 FlatPanel ? (Television ? "TV" : "DFP") :
443 "CRT");
444 }
445
446 if (par->FlatPanel == -1) {
447 par->FlatPanel = FlatPanel;
448 par->Television = Television;
449 } else {
450 printk("nvidiafb: Forcing display type to %s as "
451 "specified\n", par->FlatPanel ? "DFP" : "CRT");
452 }
453 } else {
454 u8 outputAfromCRTC, outputBfromCRTC;
455 int CRTCnumber = -1;
456 u8 slaved_on_A, slaved_on_B;
457 int analog_on_A, analog_on_B;
458 u32 oldhead;
459 u8 cr44;
460
461 if (implementation != 0x0110) {
462 if (NV_RD32(par->PRAMDAC0, 0x0000052C) & 0x100)
463 outputAfromCRTC = 1;
464 else
465 outputAfromCRTC = 0;
466 if (NV_RD32(par->PRAMDAC0, 0x0000252C) & 0x100)
467 outputBfromCRTC = 1;
468 else
469 outputBfromCRTC = 0;
470 analog_on_A = NVIsConnected(par, 0);
471 analog_on_B = NVIsConnected(par, 1);
472 } else {
473 outputAfromCRTC = 0;
474 outputBfromCRTC = 1;
475 analog_on_A = 0;
476 analog_on_B = 0;
477 }
478
479 VGA_WR08(par->PCIO, 0x03D4, 0x44);
480 cr44 = VGA_RD08(par->PCIO, 0x03D5);
481
482 VGA_WR08(par->PCIO, 0x03D5, 3);
483 NVSelectHeadRegisters(par, 1);
484 NVLockUnlock(par, 0);
485
486 VGA_WR08(par->PCIO, 0x03D4, 0x28);
487 slaved_on_B = VGA_RD08(par->PCIO, 0x03D5) & 0x80;
488 if (slaved_on_B) {
489 VGA_WR08(par->PCIO, 0x03D4, 0x33);
490 tvB = !(VGA_RD08(par->PCIO, 0x03D5) & 0x01);
491 }
492
493 VGA_WR08(par->PCIO, 0x03D4, 0x44);
494 VGA_WR08(par->PCIO, 0x03D5, 0);
495 NVSelectHeadRegisters(par, 0);
496 NVLockUnlock(par, 0);
497
498 VGA_WR08(par->PCIO, 0x03D4, 0x28);
499 slaved_on_A = VGA_RD08(par->PCIO, 0x03D5) & 0x80;
500 if (slaved_on_A) {
501 VGA_WR08(par->PCIO, 0x03D4, 0x33);
502 tvA = !(VGA_RD08(par->PCIO, 0x03D5) & 0x01);
503 }
504
505 oldhead = NV_RD32(par->PCRTC0, 0x00000860);
506 NV_WR32(par->PCRTC0, 0x00000860, oldhead | 0x00000010);
507
508 if (nvidia_probe_i2c_connector(info, 1, &edidA))
509 nvidia_probe_of_connector(info, 1, &edidA);
510 if (edidA && !fb_parse_edid(edidA, var)) {
511 printk("nvidiafb: EDID found from BUS1\n");
512 monA = monitorA;
513 fb_edid_to_monspecs(edidA, monA);
514 }
515
516 if (nvidia_probe_i2c_connector(info, 2, &edidB))
517 nvidia_probe_of_connector(info, 2, &edidB);
518 if (edidB && !fb_parse_edid(edidB, var)) {
519 printk("nvidiafb: EDID found from BUS2\n");
520 monB = monitorB;
521 fb_edid_to_monspecs(edidB, monB);
522 }
523
524 if (slaved_on_A && !tvA) {
525 CRTCnumber = 0;
526 FlatPanel = 1;
527 printk("nvidiafb: CRTC 0 is currently programmed for "
528 "DFP\n");
529 } else if (slaved_on_B && !tvB) {
530 CRTCnumber = 1;
531 FlatPanel = 1;
532 printk("nvidiafb: CRTC 1 is currently programmed "
533 "for DFP\n");
534 } else if (analog_on_A) {
535 CRTCnumber = outputAfromCRTC;
536 FlatPanel = 0;
537 printk("nvidiafb: CRTC %i appears to have a "
538 "CRT attached\n", CRTCnumber);
539 } else if (analog_on_B) {
540 CRTCnumber = outputBfromCRTC;
541 FlatPanel = 0;
542 printk("nvidiafb: CRTC %i"
543 "appears to have a "
544 "CRT attached\n", CRTCnumber);
545 } else if (slaved_on_A) {
546 CRTCnumber = 0;
547 FlatPanel = 1;
548 Television = 1;
549 printk("nvidiafb: CRTC 0 is currently programmed "
550 "for TV\n");
551 } else if (slaved_on_B) {
552 CRTCnumber = 1;
553 FlatPanel = 1;
554 Television = 1;
555 printk("nvidiafb: CRTC 1 is currently programmed for "
556 "TV\n");
557 } else if (monA) {
558 FlatPanel = (monA->input & FB_DISP_DDI) ? 1 : 0;
559 } else if (monB) {
560 FlatPanel = (monB->input & FB_DISP_DDI) ? 1 : 0;
561 }
562
563 if (par->FlatPanel == -1) {
564 if (FlatPanel != -1) {
565 par->FlatPanel = FlatPanel;
566 par->Television = Television;
567 } else {
568 printk("nvidiafb: Unable to detect display "
569 "type...\n");
570 if (mobile) {
571 printk("...On a laptop, assuming "
572 "DFP\n");
573 par->FlatPanel = 1;
574 } else {
575 printk("...Using default of CRT\n");
576 par->FlatPanel = 0;
577 }
578 }
579 } else {
580 printk("nvidiafb: Forcing display type to %s as "
581 "specified\n", par->FlatPanel ? "DFP" : "CRT");
582 }
583
584 if (par->CRTCnumber == -1) {
585 if (CRTCnumber != -1)
586 par->CRTCnumber = CRTCnumber;
587 else {
588 printk("nvidiafb: Unable to detect which "
589 "CRTCNumber...\n");
590 if (par->FlatPanel)
591 par->CRTCnumber = 1;
592 else
593 par->CRTCnumber = 0;
594 printk("...Defaulting to CRTCNumber %i\n",
595 par->CRTCnumber);
596 }
597 } else {
598 printk("nvidiafb: Forcing CRTCNumber %i as "
599 "specified\n", par->CRTCnumber);
600 }
601
602 if (monA) {
603 if (((monA->input & FB_DISP_DDI) &&
604 par->FlatPanel) ||
605 ((!(monA->input & FB_DISP_DDI)) &&
606 !par->FlatPanel)) {
607 if (monB) {
608 fb_destroy_modedb(monB->modedb);
609 monB = NULL;
610 }
611 } else {
612 fb_destroy_modedb(monA->modedb);
613 monA = NULL;
614 }
615 }
616
617 if (monB) {
618 if (((monB->input & FB_DISP_DDI) &&
619 !par->FlatPanel) ||
620 ((!(monB->input & FB_DISP_DDI)) &&
621 par->FlatPanel)) {
622 fb_destroy_modedb(monB->modedb);
623 monB = NULL;
624 } else
625 monA = monB;
626 }
627
628 if (implementation == 0x0110)
629 cr44 = par->CRTCnumber * 0x3;
630
631 NV_WR32(par->PCRTC0, 0x00000860, oldhead);
632
633 VGA_WR08(par->PCIO, 0x03D4, 0x44);
634 VGA_WR08(par->PCIO, 0x03D5, cr44);
635 NVSelectHeadRegisters(par, par->CRTCnumber);
636 }
637
638 printk("nvidiafb: Using %s on CRTC %i\n",
639 par->FlatPanel ? (par->Television ? "TV" : "DFP") : "CRT",
640 par->CRTCnumber);
641
642 if (par->FlatPanel && !par->Television) {
643 par->fpWidth = NV_RD32(par->PRAMDAC, 0x0820) + 1;
644 par->fpHeight = NV_RD32(par->PRAMDAC, 0x0800) + 1;
645 par->fpSyncs = NV_RD32(par->PRAMDAC, 0x0848) & 0x30000033;
646
647 printk("nvidiafb: Panel size is %i x %i\n", par->fpWidth, par->fpHeight);
648 }
649
650 if (monA)
651 info->monspecs = *monA;
652
653 if (!par->FlatPanel || !par->twoHeads)
654 par->FPDither = 0;
655
656 par->LVDS = 0;
657 if (par->FlatPanel && par->twoHeads) {
658 NV_WR32(par->PRAMDAC0, 0x08B0, 0x00010004);
659 if (par->PRAMDAC0[0x08b4] & 1)
660 par->LVDS = 1;
661 printk("nvidiafb: Panel is %s\n", par->LVDS ? "LVDS" : "TMDS");
662 }
663
664 kfree(edidA);
665 kfree(edidB);
666 done:
667 kfree(var);
668 kfree(monitorA);
669 kfree(monitorB);
670 return err;
671 }
x86 "subsystem" repository