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ext4: fix undefined behavior in ext4_fill_flex_info()
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / video / nvidia / nv_setup.c
blobeef2bb298d9f08b4c831a4cce8a78ec7ab5ff965
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, dac0_reg608 = 0;
170 int present;
171
172 if (output) {
173 dac0_reg608 = NV_RD32(PRAMDAC, 0x0608);
174 PRAMDAC += 0x800;
175 }
176
177 reg52C = NV_RD32(PRAMDAC, 0x052C);
178 reg608 = NV_RD32(PRAMDAC, 0x0608);
179
180 NV_WR32(PRAMDAC, 0x0608, reg608 & ~0x00010000);
181
182 NV_WR32(PRAMDAC, 0x052C, reg52C & 0x0000FEEE);
183 msleep(1);
184 NV_WR32(PRAMDAC, 0x052C, NV_RD32(PRAMDAC, 0x052C) | 1);
185
186 NV_WR32(par->PRAMDAC0, 0x0610, 0x94050140);
187 NV_WR32(par->PRAMDAC0, 0x0608, NV_RD32(par->PRAMDAC0, 0x0608) |
188 0x00001000);
189
190 msleep(1);
191
192 present = (NV_RD32(PRAMDAC, 0x0608) & (1 << 28)) ? 1 : 0;
193
194 if (present)
195 printk("nvidiafb: CRTC%i analog found\n", output);
196 else
197 printk("nvidiafb: CRTC%i analog not found\n", output);
198
199 if (output)
200 NV_WR32(par->PRAMDAC0, 0x0608, dac0_reg608);
201
202 NV_WR32(PRAMDAC, 0x052C, reg52C);
203 NV_WR32(PRAMDAC, 0x0608, reg608);
204
205 return present;
206 }
207
208 static void NVSelectHeadRegisters(struct nvidia_par *par, int head)
209 {
210 if (head) {
211 par->PCIO = par->PCIO0 + 0x2000;
212 par->PCRTC = par->PCRTC0 + 0x800;
213 par->PRAMDAC = par->PRAMDAC0 + 0x800;
214 par->PDIO = par->PDIO0 + 0x2000;
215 } else {
216 par->PCIO = par->PCIO0;
217 par->PCRTC = par->PCRTC0;
218 par->PRAMDAC = par->PRAMDAC0;
219 par->PDIO = par->PDIO0;
220 }
221 }
222
223 static void nv4GetConfig(struct nvidia_par *par)
224 {
225 if (NV_RD32(par->PFB, 0x0000) & 0x00000100) {
226 par->RamAmountKBytes =
227 ((NV_RD32(par->PFB, 0x0000) >> 12) & 0x0F) * 1024 * 2 +
228 1024 * 2;
229 } else {
230 switch (NV_RD32(par->PFB, 0x0000) & 0x00000003) {
231 case 0:
232 par->RamAmountKBytes = 1024 * 32;
233 break;
234 case 1:
235 par->RamAmountKBytes = 1024 * 4;
236 break;
237 case 2:
238 par->RamAmountKBytes = 1024 * 8;
239 break;
240 case 3:
241 default:
242 par->RamAmountKBytes = 1024 * 16;
243 break;
244 }
245 }
246 par->CrystalFreqKHz = (NV_RD32(par->PEXTDEV, 0x0000) & 0x00000040) ?
247 14318 : 13500;
248 par->CURSOR = &par->PRAMIN[0x1E00];
249 par->MinVClockFreqKHz = 12000;
250 par->MaxVClockFreqKHz = 350000;
251 }
252
253 static void nv10GetConfig(struct nvidia_par *par)
254 {
255 struct pci_dev *dev;
256 u32 implementation = par->Chipset & 0x0ff0;
257
258 #ifdef __BIG_ENDIAN
259 /* turn on big endian register access */
260 if (!(NV_RD32(par->PMC, 0x0004) & 0x01000001)) {
261 NV_WR32(par->PMC, 0x0004, 0x01000001);
262 mb();
263 }
264 #endif
265
266 dev = pci_get_bus_and_slot(0, 1);
267 if ((par->Chipset & 0xffff) == 0x01a0) {
268 u32 amt;
269
270 pci_read_config_dword(dev, 0x7c, &amt);
271 par->RamAmountKBytes = (((amt >> 6) & 31) + 1) * 1024;
272 } else if ((par->Chipset & 0xffff) == 0x01f0) {
273 u32 amt;
274
275 pci_read_config_dword(dev, 0x84, &amt);
276 par->RamAmountKBytes = (((amt >> 4) & 127) + 1) * 1024;
277 } else {
278 par->RamAmountKBytes =
279 (NV_RD32(par->PFB, 0x020C) & 0xFFF00000) >> 10;
280 }
281 pci_dev_put(dev);
282
283 par->CrystalFreqKHz = (NV_RD32(par->PEXTDEV, 0x0000) & (1 << 6)) ?
284 14318 : 13500;
285
286 if (par->twoHeads && (implementation != 0x0110)) {
287 if (NV_RD32(par->PEXTDEV, 0x0000) & (1 << 22))
288 par->CrystalFreqKHz = 27000;
289 }
290
291 par->CURSOR = NULL; /* can't set this here */
292 par->MinVClockFreqKHz = 12000;
293 par->MaxVClockFreqKHz = par->twoStagePLL ? 400000 : 350000;
294 }
295
296 int NVCommonSetup(struct fb_info *info)
297 {
298 struct nvidia_par *par = info->par;
299 struct fb_var_screeninfo *var;
300 u16 implementation = par->Chipset & 0x0ff0;
301 u8 *edidA = NULL, *edidB = NULL;
302 struct fb_monspecs *monitorA, *monitorB;
303 struct fb_monspecs *monA = NULL, *monB = NULL;
304 int mobile = 0;
305 int tvA = 0;
306 int tvB = 0;
307 int FlatPanel = -1; /* really means the CRTC is slaved */
308 int Television = 0;
309 int err = 0;
310
311 var = kzalloc(sizeof(struct fb_var_screeninfo), GFP_KERNEL);
312 monitorA = kzalloc(sizeof(struct fb_monspecs), GFP_KERNEL);
313 monitorB = kzalloc(sizeof(struct fb_monspecs), GFP_KERNEL);
314
315 if (!var || !monitorA || !monitorB) {
316 err = -ENOMEM;
317 goto done;
318 }
319
320 par->PRAMIN = par->REGS + (0x00710000 / 4);
321 par->PCRTC0 = par->REGS + (0x00600000 / 4);
322 par->PRAMDAC0 = par->REGS + (0x00680000 / 4);
323 par->PFB = par->REGS + (0x00100000 / 4);
324 par->PFIFO = par->REGS + (0x00002000 / 4);
325 par->PGRAPH = par->REGS + (0x00400000 / 4);
326 par->PEXTDEV = par->REGS + (0x00101000 / 4);
327 par->PTIMER = par->REGS + (0x00009000 / 4);
328 par->PMC = par->REGS + (0x00000000 / 4);
329 par->FIFO = par->REGS + (0x00800000 / 4);
330
331 /* 8 bit registers */
332 par->PCIO0 = (u8 __iomem *) par->REGS + 0x00601000;
333 par->PDIO0 = (u8 __iomem *) par->REGS + 0x00681000;
334 par->PVIO = (u8 __iomem *) par->REGS + 0x000C0000;
335
336 par->twoHeads = (par->Architecture >= NV_ARCH_10) &&
337 (implementation != 0x0100) &&
338 (implementation != 0x0150) &&
339 (implementation != 0x01A0) && (implementation != 0x0200);
340
341 par->fpScaler = (par->FpScale && par->twoHeads &&
342 (implementation != 0x0110));
343
344 par->twoStagePLL = (implementation == 0x0310) ||
345 (implementation == 0x0340) || (par->Architecture >= NV_ARCH_40);
346
347 par->WaitVSyncPossible = (par->Architecture >= NV_ARCH_10) &&
348 (implementation != 0x0100);
349
350 par->BlendingPossible = ((par->Chipset & 0xffff) != 0x0020);
351
352 /* look for known laptop chips */
353 switch (par->Chipset & 0xffff) {
354 case 0x0112:
355 case 0x0174:
356 case 0x0175:
357 case 0x0176:
358 case 0x0177:
359 case 0x0179:
360 case 0x017C:
361 case 0x017D:
362 case 0x0186:
363 case 0x0187:
364 case 0x018D:
365 case 0x01D7:
366 case 0x0228:
367 case 0x0286:
368 case 0x028C:
369 case 0x0316:
370 case 0x0317:
371 case 0x031A:
372 case 0x031B:
373 case 0x031C:
374 case 0x031D:
375 case 0x031E:
376 case 0x031F:
377 case 0x0324:
378 case 0x0325:
379 case 0x0328:
380 case 0x0329:
381 case 0x032C:
382 case 0x032D:
383 case 0x0347:
384 case 0x0348:
385 case 0x0349:
386 case 0x034B:
387 case 0x034C:
388 case 0x0160:
389 case 0x0166:
390 case 0x0169:
391 case 0x016B:
392 case 0x016C:
393 case 0x016D:
394 case 0x00C8:
395 case 0x00CC:
396 case 0x0144:
397 case 0x0146:
398 case 0x0147:
399 case 0x0148:
400 case 0x0098:
401 case 0x0099:
402 mobile = 1;
403 break;
404 default:
405 break;
406 }
407
408 if (par->Architecture == NV_ARCH_04)
409 nv4GetConfig(par);
410 else
411 nv10GetConfig(par);
412
413 NVSelectHeadRegisters(par, 0);
414
415 NVLockUnlock(par, 0);
416
417 par->IOBase = (NVReadMiscOut(par) & 0x01) ? 0x3d0 : 0x3b0;
418
419 par->Television = 0;
420
421 nvidia_create_i2c_busses(par);
422 if (!par->twoHeads) {
423 par->CRTCnumber = 0;
424 if (nvidia_probe_i2c_connector(info, 1, &edidA))
425 nvidia_probe_of_connector(info, 1, &edidA);
426 if (edidA && !fb_parse_edid(edidA, var)) {
427 printk("nvidiafb: EDID found from BUS1\n");
428 monA = monitorA;
429 fb_edid_to_monspecs(edidA, monA);
430 FlatPanel = (monA->input & FB_DISP_DDI) ? 1 : 0;
431
432 /* NV4 doesn't support FlatPanels */
433 if ((par->Chipset & 0x0fff) <= 0x0020)
434 FlatPanel = 0;
435 } else {
436 VGA_WR08(par->PCIO, 0x03D4, 0x28);
437 if (VGA_RD08(par->PCIO, 0x03D5) & 0x80) {
438 VGA_WR08(par->PCIO, 0x03D4, 0x33);
439 if (!(VGA_RD08(par->PCIO, 0x03D5) & 0x01))
440 Television = 1;
441 FlatPanel = 1;
442 } else {
443 FlatPanel = 0;
444 }
445 printk("nvidiafb: HW is currently programmed for %s\n",
446 FlatPanel ? (Television ? "TV" : "DFP") :
447 "CRT");
448 }
449
450 if (par->FlatPanel == -1) {
451 par->FlatPanel = FlatPanel;
452 par->Television = Television;
453 } else {
454 printk("nvidiafb: Forcing display type to %s as "
455 "specified\n", par->FlatPanel ? "DFP" : "CRT");
456 }
457 } else {
458 u8 outputAfromCRTC, outputBfromCRTC;
459 int CRTCnumber = -1;
460 u8 slaved_on_A, slaved_on_B;
461 int analog_on_A, analog_on_B;
462 u32 oldhead;
463 u8 cr44;
464
465 if (implementation != 0x0110) {
466 if (NV_RD32(par->PRAMDAC0, 0x0000052C) & 0x100)
467 outputAfromCRTC = 1;
468 else
469 outputAfromCRTC = 0;
470 if (NV_RD32(par->PRAMDAC0, 0x0000252C) & 0x100)
471 outputBfromCRTC = 1;
472 else
473 outputBfromCRTC = 0;
474 analog_on_A = NVIsConnected(par, 0);
475 analog_on_B = NVIsConnected(par, 1);
476 } else {
477 outputAfromCRTC = 0;
478 outputBfromCRTC = 1;
479 analog_on_A = 0;
480 analog_on_B = 0;
481 }
482
483 VGA_WR08(par->PCIO, 0x03D4, 0x44);
484 cr44 = VGA_RD08(par->PCIO, 0x03D5);
485
486 VGA_WR08(par->PCIO, 0x03D5, 3);
487 NVSelectHeadRegisters(par, 1);
488 NVLockUnlock(par, 0);
489
490 VGA_WR08(par->PCIO, 0x03D4, 0x28);
491 slaved_on_B = VGA_RD08(par->PCIO, 0x03D5) & 0x80;
492 if (slaved_on_B) {
493 VGA_WR08(par->PCIO, 0x03D4, 0x33);
494 tvB = !(VGA_RD08(par->PCIO, 0x03D5) & 0x01);
495 }
496
497 VGA_WR08(par->PCIO, 0x03D4, 0x44);
498 VGA_WR08(par->PCIO, 0x03D5, 0);
499 NVSelectHeadRegisters(par, 0);
500 NVLockUnlock(par, 0);
501
502 VGA_WR08(par->PCIO, 0x03D4, 0x28);
503 slaved_on_A = VGA_RD08(par->PCIO, 0x03D5) & 0x80;
504 if (slaved_on_A) {
505 VGA_WR08(par->PCIO, 0x03D4, 0x33);
506 tvA = !(VGA_RD08(par->PCIO, 0x03D5) & 0x01);
507 }
508
509 oldhead = NV_RD32(par->PCRTC0, 0x00000860);
510 NV_WR32(par->PCRTC0, 0x00000860, oldhead | 0x00000010);
511
512 if (nvidia_probe_i2c_connector(info, 1, &edidA))
513 nvidia_probe_of_connector(info, 1, &edidA);
514 if (edidA && !fb_parse_edid(edidA, var)) {
515 printk("nvidiafb: EDID found from BUS1\n");
516 monA = monitorA;
517 fb_edid_to_monspecs(edidA, monA);
518 }
519
520 if (nvidia_probe_i2c_connector(info, 2, &edidB))
521 nvidia_probe_of_connector(info, 2, &edidB);
522 if (edidB && !fb_parse_edid(edidB, var)) {
523 printk("nvidiafb: EDID found from BUS2\n");
524 monB = monitorB;
525 fb_edid_to_monspecs(edidB, monB);
526 }
527
528 if (slaved_on_A && !tvA) {
529 CRTCnumber = 0;
530 FlatPanel = 1;
531 printk("nvidiafb: CRTC 0 is currently programmed for "
532 "DFP\n");
533 } else if (slaved_on_B && !tvB) {
534 CRTCnumber = 1;
535 FlatPanel = 1;
536 printk("nvidiafb: CRTC 1 is currently programmed "
537 "for DFP\n");
538 } else if (analog_on_A) {
539 CRTCnumber = outputAfromCRTC;
540 FlatPanel = 0;
541 printk("nvidiafb: CRTC %i appears to have a "
542 "CRT attached\n", CRTCnumber);
543 } else if (analog_on_B) {
544 CRTCnumber = outputBfromCRTC;
545 FlatPanel = 0;
546 printk("nvidiafb: CRTC %i appears to have a "
547 "CRT attached\n", CRTCnumber);
548 } else if (slaved_on_A) {
549 CRTCnumber = 0;
550 FlatPanel = 1;
551 Television = 1;
552 printk("nvidiafb: CRTC 0 is currently programmed "
553 "for TV\n");
554 } else if (slaved_on_B) {
555 CRTCnumber = 1;
556 FlatPanel = 1;
557 Television = 1;
558 printk("nvidiafb: CRTC 1 is currently programmed for "
559 "TV\n");
560 } else if (monA) {
561 FlatPanel = (monA->input & FB_DISP_DDI) ? 1 : 0;
562 } else if (monB) {
563 FlatPanel = (monB->input & FB_DISP_DDI) ? 1 : 0;
564 }
565
566 if (par->FlatPanel == -1) {
567 if (FlatPanel != -1) {
568 par->FlatPanel = FlatPanel;
569 par->Television = Television;
570 } else {
571 printk("nvidiafb: Unable to detect display "
572 "type...\n");
573 if (mobile) {
574 printk("...On a laptop, assuming "
575 "DFP\n");
576 par->FlatPanel = 1;
577 } else {
578 printk("...Using default of CRT\n");
579 par->FlatPanel = 0;
580 }
581 }
582 } else {
583 printk("nvidiafb: Forcing display type to %s as "
584 "specified\n", par->FlatPanel ? "DFP" : "CRT");
585 }
586
587 if (par->CRTCnumber == -1) {
588 if (CRTCnumber != -1)
589 par->CRTCnumber = CRTCnumber;
590 else {
591 printk("nvidiafb: Unable to detect which "
592 "CRTCNumber...\n");
593 if (par->FlatPanel)
594 par->CRTCnumber = 1;
595 else
596 par->CRTCnumber = 0;
597 printk("...Defaulting to CRTCNumber %i\n",
598 par->CRTCnumber);
599 }
600 } else {
601 printk("nvidiafb: Forcing CRTCNumber %i as "
602 "specified\n", par->CRTCnumber);
603 }
604
605 if (monA) {
606 if (((monA->input & FB_DISP_DDI) &&
607 par->FlatPanel) ||
608 ((!(monA->input & FB_DISP_DDI)) &&
609 !par->FlatPanel)) {
610 if (monB) {
611 fb_destroy_modedb(monB->modedb);
612 monB = NULL;
613 }
614 } else {
615 fb_destroy_modedb(monA->modedb);
616 monA = NULL;
617 }
618 }
619
620 if (monB) {
621 if (((monB->input & FB_DISP_DDI) &&
622 !par->FlatPanel) ||
623 ((!(monB->input & FB_DISP_DDI)) &&
624 par->FlatPanel)) {
625 fb_destroy_modedb(monB->modedb);
626 monB = NULL;
627 } else
628 monA = monB;
629 }
630
631 if (implementation == 0x0110)
632 cr44 = par->CRTCnumber * 0x3;
633
634 NV_WR32(par->PCRTC0, 0x00000860, oldhead);
635
636 VGA_WR08(par->PCIO, 0x03D4, 0x44);
637 VGA_WR08(par->PCIO, 0x03D5, cr44);
638 NVSelectHeadRegisters(par, par->CRTCnumber);
639 }
640
641 printk("nvidiafb: Using %s on CRTC %i\n",
642 par->FlatPanel ? (par->Television ? "TV" : "DFP") : "CRT",
643 par->CRTCnumber);
644
645 if (par->FlatPanel && !par->Television) {
646 par->fpWidth = NV_RD32(par->PRAMDAC, 0x0820) + 1;
647 par->fpHeight = NV_RD32(par->PRAMDAC, 0x0800) + 1;
648 par->fpSyncs = NV_RD32(par->PRAMDAC, 0x0848) & 0x30000033;
649
650 printk("nvidiafb: Panel size is %i x %i\n", par->fpWidth, par->fpHeight);
651 }
652
653 if (monA)
654 info->monspecs = *monA;
655
656 if (!par->FlatPanel || !par->twoHeads)
657 par->FPDither = 0;
658
659 par->LVDS = 0;
660 if (par->FlatPanel && par->twoHeads) {
661 NV_WR32(par->PRAMDAC0, 0x08B0, 0x00010004);
662 if (NV_RD32(par->PRAMDAC0, 0x08b4) & 1)
663 par->LVDS = 1;
664 printk("nvidiafb: Panel is %s\n", par->LVDS ? "LVDS" : "TMDS");
665 }
666
667 kfree(edidA);
668 kfree(edidB);
669 done:
670 kfree(var);
671 kfree(monitorA);
672 kfree(monitorB);
673 return err;
674 }
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree