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OMAPDSS: VENC: fix NULL pointer dereference in DSS2 VENC sysfs debug attr on OMAP4
[zen-stable.git] / drivers / video / nvidia / nv_setup.c
blob2f2e162134fabe193add5d945cfc69a725aa6f03
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 <linux/slab.h>
54 #include "nv_type.h"
55 #include "nv_local.h"
56 #include "nv_proto.h"
57 /*
58 * Override VGA I/O routines.
59 */
60 void NVWriteCrtc(struct nvidia_par *par, u8 index, u8 value)
61 {
62 VGA_WR08(par->PCIO, par->IOBase + 0x04, index);
63 VGA_WR08(par->PCIO, par->IOBase + 0x05, value);
64 }
65 u8 NVReadCrtc(struct nvidia_par *par, u8 index)
66 {
67 VGA_WR08(par->PCIO, par->IOBase + 0x04, index);
68 return (VGA_RD08(par->PCIO, par->IOBase + 0x05));
69 }
70 void NVWriteGr(struct nvidia_par *par, u8 index, u8 value)
71 {
72 VGA_WR08(par->PVIO, VGA_GFX_I, index);
73 VGA_WR08(par->PVIO, VGA_GFX_D, value);
74 }
75 u8 NVReadGr(struct nvidia_par *par, u8 index)
76 {
77 VGA_WR08(par->PVIO, VGA_GFX_I, index);
78 return (VGA_RD08(par->PVIO, VGA_GFX_D));
79 }
80 void NVWriteSeq(struct nvidia_par *par, u8 index, u8 value)
81 {
82 VGA_WR08(par->PVIO, VGA_SEQ_I, index);
83 VGA_WR08(par->PVIO, VGA_SEQ_D, value);
84 }
85 u8 NVReadSeq(struct nvidia_par *par, u8 index)
86 {
87 VGA_WR08(par->PVIO, VGA_SEQ_I, index);
88 return (VGA_RD08(par->PVIO, VGA_SEQ_D));
89 }
90 void NVWriteAttr(struct nvidia_par *par, u8 index, u8 value)
91 {
92 volatile u8 tmp;
93
94 tmp = VGA_RD08(par->PCIO, par->IOBase + 0x0a);
95 if (par->paletteEnabled)
96 index &= ~0x20;
97 else
98 index |= 0x20;
99 VGA_WR08(par->PCIO, VGA_ATT_IW, index);
100 VGA_WR08(par->PCIO, VGA_ATT_W, value);
101 }
102 u8 NVReadAttr(struct nvidia_par *par, u8 index)
103 {
104 volatile u8 tmp;
105
106 tmp = VGA_RD08(par->PCIO, par->IOBase + 0x0a);
107 if (par->paletteEnabled)
108 index &= ~0x20;
109 else
110 index |= 0x20;
111 VGA_WR08(par->PCIO, VGA_ATT_IW, index);
112 return (VGA_RD08(par->PCIO, VGA_ATT_R));
113 }
114 void NVWriteMiscOut(struct nvidia_par *par, u8 value)
115 {
116 VGA_WR08(par->PVIO, VGA_MIS_W, value);
117 }
118 u8 NVReadMiscOut(struct nvidia_par *par)
119 {
120 return (VGA_RD08(par->PVIO, VGA_MIS_R));
121 }
122 #if 0
123 void NVEnablePalette(struct nvidia_par *par)
124 {
125 volatile u8 tmp;
126
127 tmp = VGA_RD08(par->PCIO, par->IOBase + 0x0a);
128 VGA_WR08(par->PCIO, VGA_ATT_IW, 0x00);
129 par->paletteEnabled = 1;
130 }
131 void NVDisablePalette(struct nvidia_par *par)
132 {
133 volatile u8 tmp;
134
135 tmp = VGA_RD08(par->PCIO, par->IOBase + 0x0a);
136 VGA_WR08(par->PCIO, VGA_ATT_IW, 0x20);
137 par->paletteEnabled = 0;
138 }
139 #endif /* 0 */
140 void NVWriteDacMask(struct nvidia_par *par, u8 value)
141 {
142 VGA_WR08(par->PDIO, VGA_PEL_MSK, value);
143 }
144 #if 0
145 u8 NVReadDacMask(struct nvidia_par *par)
146 {
147 return (VGA_RD08(par->PDIO, VGA_PEL_MSK));
148 }
149 #endif /* 0 */
150 void NVWriteDacReadAddr(struct nvidia_par *par, u8 value)
151 {
152 VGA_WR08(par->PDIO, VGA_PEL_IR, value);
153 }
154 void NVWriteDacWriteAddr(struct nvidia_par *par, u8 value)
155 {
156 VGA_WR08(par->PDIO, VGA_PEL_IW, value);
157 }
158 void NVWriteDacData(struct nvidia_par *par, u8 value)
159 {
160 VGA_WR08(par->PDIO, VGA_PEL_D, value);
161 }
162 u8 NVReadDacData(struct nvidia_par *par)
163 {
164 return (VGA_RD08(par->PDIO, VGA_PEL_D));
165 }
166
167 static int NVIsConnected(struct nvidia_par *par, int output)
168 {
169 volatile u32 __iomem *PRAMDAC = par->PRAMDAC0;
170 u32 reg52C, reg608, dac0_reg608 = 0;
171 int present;
172
173 if (output) {
174 dac0_reg608 = NV_RD32(PRAMDAC, 0x0608);
175 PRAMDAC += 0x800;
176 }
177
178 reg52C = NV_RD32(PRAMDAC, 0x052C);
179 reg608 = NV_RD32(PRAMDAC, 0x0608);
180
181 NV_WR32(PRAMDAC, 0x0608, reg608 & ~0x00010000);
182
183 NV_WR32(PRAMDAC, 0x052C, reg52C & 0x0000FEEE);
184 msleep(1);
185 NV_WR32(PRAMDAC, 0x052C, NV_RD32(PRAMDAC, 0x052C) | 1);
186
187 NV_WR32(par->PRAMDAC0, 0x0610, 0x94050140);
188 NV_WR32(par->PRAMDAC0, 0x0608, NV_RD32(par->PRAMDAC0, 0x0608) |
189 0x00001000);
190
191 msleep(1);
192
193 present = (NV_RD32(PRAMDAC, 0x0608) & (1 << 28)) ? 1 : 0;
194
195 if (present)
196 printk("nvidiafb: CRTC%i analog found\n", output);
197 else
198 printk("nvidiafb: CRTC%i analog not found\n", output);
199
200 if (output)
201 NV_WR32(par->PRAMDAC0, 0x0608, dac0_reg608);
202
203 NV_WR32(PRAMDAC, 0x052C, reg52C);
204 NV_WR32(PRAMDAC, 0x0608, reg608);
205
206 return present;
207 }
208
209 static void NVSelectHeadRegisters(struct nvidia_par *par, int head)
210 {
211 if (head) {
212 par->PCIO = par->PCIO0 + 0x2000;
213 par->PCRTC = par->PCRTC0 + 0x800;
214 par->PRAMDAC = par->PRAMDAC0 + 0x800;
215 par->PDIO = par->PDIO0 + 0x2000;
216 } else {
217 par->PCIO = par->PCIO0;
218 par->PCRTC = par->PCRTC0;
219 par->PRAMDAC = par->PRAMDAC0;
220 par->PDIO = par->PDIO0;
221 }
222 }
223
224 static void nv4GetConfig(struct nvidia_par *par)
225 {
226 if (NV_RD32(par->PFB, 0x0000) & 0x00000100) {
227 par->RamAmountKBytes =
228 ((NV_RD32(par->PFB, 0x0000) >> 12) & 0x0F) * 1024 * 2 +
229 1024 * 2;
230 } else {
231 switch (NV_RD32(par->PFB, 0x0000) & 0x00000003) {
232 case 0:
233 par->RamAmountKBytes = 1024 * 32;
234 break;
235 case 1:
236 par->RamAmountKBytes = 1024 * 4;
237 break;
238 case 2:
239 par->RamAmountKBytes = 1024 * 8;
240 break;
241 case 3:
242 default:
243 par->RamAmountKBytes = 1024 * 16;
244 break;
245 }
246 }
247 par->CrystalFreqKHz = (NV_RD32(par->PEXTDEV, 0x0000) & 0x00000040) ?
248 14318 : 13500;
249 par->CURSOR = &par->PRAMIN[0x1E00];
250 par->MinVClockFreqKHz = 12000;
251 par->MaxVClockFreqKHz = 350000;
252 }
253
254 static void nv10GetConfig(struct nvidia_par *par)
255 {
256 struct pci_dev *dev;
257 u32 implementation = par->Chipset & 0x0ff0;
258
259 #ifdef __BIG_ENDIAN
260 /* turn on big endian register access */
261 if (!(NV_RD32(par->PMC, 0x0004) & 0x01000001)) {
262 NV_WR32(par->PMC, 0x0004, 0x01000001);
263 mb();
264 }
265 #endif
266
267 dev = pci_get_bus_and_slot(0, 1);
268 if ((par->Chipset & 0xffff) == 0x01a0) {
269 u32 amt;
270
271 pci_read_config_dword(dev, 0x7c, &amt);
272 par->RamAmountKBytes = (((amt >> 6) & 31) + 1) * 1024;
273 } else if ((par->Chipset & 0xffff) == 0x01f0) {
274 u32 amt;
275
276 pci_read_config_dword(dev, 0x84, &amt);
277 par->RamAmountKBytes = (((amt >> 4) & 127) + 1) * 1024;
278 } else {
279 par->RamAmountKBytes =
280 (NV_RD32(par->PFB, 0x020C) & 0xFFF00000) >> 10;
281 }
282 pci_dev_put(dev);
283
284 par->CrystalFreqKHz = (NV_RD32(par->PEXTDEV, 0x0000) & (1 << 6)) ?
285 14318 : 13500;
286
287 if (par->twoHeads && (implementation != 0x0110)) {
288 if (NV_RD32(par->PEXTDEV, 0x0000) & (1 << 22))
289 par->CrystalFreqKHz = 27000;
290 }
291
292 par->CURSOR = NULL; /* can't set this here */
293 par->MinVClockFreqKHz = 12000;
294 par->MaxVClockFreqKHz = par->twoStagePLL ? 400000 : 350000;
295 }
296
297 int NVCommonSetup(struct fb_info *info)
298 {
299 struct nvidia_par *par = info->par;
300 struct fb_var_screeninfo *var;
301 u16 implementation = par->Chipset & 0x0ff0;
302 u8 *edidA = NULL, *edidB = NULL;
303 struct fb_monspecs *monitorA, *monitorB;
304 struct fb_monspecs *monA = NULL, *monB = NULL;
305 int mobile = 0;
306 int tvA = 0;
307 int tvB = 0;
308 int FlatPanel = -1; /* really means the CRTC is slaved */
309 int Television = 0;
310 int err = 0;
311
312 var = kzalloc(sizeof(struct fb_var_screeninfo), GFP_KERNEL);
313 monitorA = kzalloc(sizeof(struct fb_monspecs), GFP_KERNEL);
314 monitorB = kzalloc(sizeof(struct fb_monspecs), GFP_KERNEL);
315
316 if (!var || !monitorA || !monitorB) {
317 err = -ENOMEM;
318 goto done;
319 }
320
321 par->PRAMIN = par->REGS + (0x00710000 / 4);
322 par->PCRTC0 = par->REGS + (0x00600000 / 4);
323 par->PRAMDAC0 = par->REGS + (0x00680000 / 4);
324 par->PFB = par->REGS + (0x00100000 / 4);
325 par->PFIFO = par->REGS + (0x00002000 / 4);
326 par->PGRAPH = par->REGS + (0x00400000 / 4);
327 par->PEXTDEV = par->REGS + (0x00101000 / 4);
328 par->PTIMER = par->REGS + (0x00009000 / 4);
329 par->PMC = par->REGS + (0x00000000 / 4);
330 par->FIFO = par->REGS + (0x00800000 / 4);
331
332 /* 8 bit registers */
333 par->PCIO0 = (u8 __iomem *) par->REGS + 0x00601000;
334 par->PDIO0 = (u8 __iomem *) par->REGS + 0x00681000;
335 par->PVIO = (u8 __iomem *) par->REGS + 0x000C0000;
336
337 par->twoHeads = (par->Architecture >= NV_ARCH_10) &&
338 (implementation != 0x0100) &&
339 (implementation != 0x0150) &&
340 (implementation != 0x01A0) && (implementation != 0x0200);
341
342 par->fpScaler = (par->FpScale && par->twoHeads &&
343 (implementation != 0x0110));
344
345 par->twoStagePLL = (implementation == 0x0310) ||
346 (implementation == 0x0340) || (par->Architecture >= NV_ARCH_40);
347
348 par->WaitVSyncPossible = (par->Architecture >= NV_ARCH_10) &&
349 (implementation != 0x0100);
350
351 par->BlendingPossible = ((par->Chipset & 0xffff) != 0x0020);
352
353 /* look for known laptop chips */
354 switch (par->Chipset & 0xffff) {
355 case 0x0112:
356 case 0x0174:
357 case 0x0175:
358 case 0x0176:
359 case 0x0177:
360 case 0x0179:
361 case 0x017C:
362 case 0x017D:
363 case 0x0186:
364 case 0x0187:
365 case 0x018D:
366 case 0x01D7:
367 case 0x0228:
368 case 0x0286:
369 case 0x028C:
370 case 0x0316:
371 case 0x0317:
372 case 0x031A:
373 case 0x031B:
374 case 0x031C:
375 case 0x031D:
376 case 0x031E:
377 case 0x031F:
378 case 0x0324:
379 case 0x0325:
380 case 0x0328:
381 case 0x0329:
382 case 0x032C:
383 case 0x032D:
384 case 0x0347:
385 case 0x0348:
386 case 0x0349:
387 case 0x034B:
388 case 0x034C:
389 case 0x0160:
390 case 0x0166:
391 case 0x0169:
392 case 0x016B:
393 case 0x016C:
394 case 0x016D:
395 case 0x00C8:
396 case 0x00CC:
397 case 0x0144:
398 case 0x0146:
399 case 0x0147:
400 case 0x0148:
401 case 0x0098:
402 case 0x0099:
403 mobile = 1;
404 break;
405 default:
406 break;
407 }
408
409 if (par->Architecture == NV_ARCH_04)
410 nv4GetConfig(par);
411 else
412 nv10GetConfig(par);
413
414 NVSelectHeadRegisters(par, 0);
415
416 NVLockUnlock(par, 0);
417
418 par->IOBase = (NVReadMiscOut(par) & 0x01) ? 0x3d0 : 0x3b0;
419
420 par->Television = 0;
421
422 nvidia_create_i2c_busses(par);
423 if (!par->twoHeads) {
424 par->CRTCnumber = 0;
425 if (nvidia_probe_i2c_connector(info, 1, &edidA))
426 nvidia_probe_of_connector(info, 1, &edidA);
427 if (edidA && !fb_parse_edid(edidA, var)) {
428 printk("nvidiafb: EDID found from BUS1\n");
429 monA = monitorA;
430 fb_edid_to_monspecs(edidA, monA);
431 FlatPanel = (monA->input & FB_DISP_DDI) ? 1 : 0;
432
433 /* NV4 doesn't support FlatPanels */
434 if ((par->Chipset & 0x0fff) <= 0x0020)
435 FlatPanel = 0;
436 } else {
437 VGA_WR08(par->PCIO, 0x03D4, 0x28);
438 if (VGA_RD08(par->PCIO, 0x03D5) & 0x80) {
439 VGA_WR08(par->PCIO, 0x03D4, 0x33);
440 if (!(VGA_RD08(par->PCIO, 0x03D5) & 0x01))
441 Television = 1;
442 FlatPanel = 1;
443 } else {
444 FlatPanel = 0;
445 }
446 printk("nvidiafb: HW is currently programmed for %s\n",
447 FlatPanel ? (Television ? "TV" : "DFP") :
448 "CRT");
449 }
450
451 if (par->FlatPanel == -1) {
452 par->FlatPanel = FlatPanel;
453 par->Television = Television;
454 } else {
455 printk("nvidiafb: Forcing display type to %s as "
456 "specified\n", par->FlatPanel ? "DFP" : "CRT");
457 }
458 } else {
459 u8 outputAfromCRTC, outputBfromCRTC;
460 int CRTCnumber = -1;
461 u8 slaved_on_A, slaved_on_B;
462 int analog_on_A, analog_on_B;
463 u32 oldhead;
464 u8 cr44;
465
466 if (implementation != 0x0110) {
467 if (NV_RD32(par->PRAMDAC0, 0x0000052C) & 0x100)
468 outputAfromCRTC = 1;
469 else
470 outputAfromCRTC = 0;
471 if (NV_RD32(par->PRAMDAC0, 0x0000252C) & 0x100)
472 outputBfromCRTC = 1;
473 else
474 outputBfromCRTC = 0;
475 analog_on_A = NVIsConnected(par, 0);
476 analog_on_B = NVIsConnected(par, 1);
477 } else {
478 outputAfromCRTC = 0;
479 outputBfromCRTC = 1;
480 analog_on_A = 0;
481 analog_on_B = 0;
482 }
483
484 VGA_WR08(par->PCIO, 0x03D4, 0x44);
485 cr44 = VGA_RD08(par->PCIO, 0x03D5);
486
487 VGA_WR08(par->PCIO, 0x03D5, 3);
488 NVSelectHeadRegisters(par, 1);
489 NVLockUnlock(par, 0);
490
491 VGA_WR08(par->PCIO, 0x03D4, 0x28);
492 slaved_on_B = VGA_RD08(par->PCIO, 0x03D5) & 0x80;
493 if (slaved_on_B) {
494 VGA_WR08(par->PCIO, 0x03D4, 0x33);
495 tvB = !(VGA_RD08(par->PCIO, 0x03D5) & 0x01);
496 }
497
498 VGA_WR08(par->PCIO, 0x03D4, 0x44);
499 VGA_WR08(par->PCIO, 0x03D5, 0);
500 NVSelectHeadRegisters(par, 0);
501 NVLockUnlock(par, 0);
502
503 VGA_WR08(par->PCIO, 0x03D4, 0x28);
504 slaved_on_A = VGA_RD08(par->PCIO, 0x03D5) & 0x80;
505 if (slaved_on_A) {
506 VGA_WR08(par->PCIO, 0x03D4, 0x33);
507 tvA = !(VGA_RD08(par->PCIO, 0x03D5) & 0x01);
508 }
509
510 oldhead = NV_RD32(par->PCRTC0, 0x00000860);
511 NV_WR32(par->PCRTC0, 0x00000860, oldhead | 0x00000010);
512
513 if (nvidia_probe_i2c_connector(info, 1, &edidA))
514 nvidia_probe_of_connector(info, 1, &edidA);
515 if (edidA && !fb_parse_edid(edidA, var)) {
516 printk("nvidiafb: EDID found from BUS1\n");
517 monA = monitorA;
518 fb_edid_to_monspecs(edidA, monA);
519 }
520
521 if (nvidia_probe_i2c_connector(info, 2, &edidB))
522 nvidia_probe_of_connector(info, 2, &edidB);
523 if (edidB && !fb_parse_edid(edidB, var)) {
524 printk("nvidiafb: EDID found from BUS2\n");
525 monB = monitorB;
526 fb_edid_to_monspecs(edidB, monB);
527 }
528
529 if (slaved_on_A && !tvA) {
530 CRTCnumber = 0;
531 FlatPanel = 1;
532 printk("nvidiafb: CRTC 0 is currently programmed for "
533 "DFP\n");
534 } else if (slaved_on_B && !tvB) {
535 CRTCnumber = 1;
536 FlatPanel = 1;
537 printk("nvidiafb: CRTC 1 is currently programmed "
538 "for DFP\n");
539 } else if (analog_on_A) {
540 CRTCnumber = outputAfromCRTC;
541 FlatPanel = 0;
542 printk("nvidiafb: CRTC %i appears to have a "
543 "CRT attached\n", CRTCnumber);
544 } else if (analog_on_B) {
545 CRTCnumber = outputBfromCRTC;
546 FlatPanel = 0;
547 printk("nvidiafb: CRTC %i appears to have a "
548 "CRT attached\n", CRTCnumber);
549 } else if (slaved_on_A) {
550 CRTCnumber = 0;
551 FlatPanel = 1;
552 Television = 1;
553 printk("nvidiafb: CRTC 0 is currently programmed "
554 "for TV\n");
555 } else if (slaved_on_B) {
556 CRTCnumber = 1;
557 FlatPanel = 1;
558 Television = 1;
559 printk("nvidiafb: CRTC 1 is currently programmed for "
560 "TV\n");
561 } else if (monA) {
562 FlatPanel = (monA->input & FB_DISP_DDI) ? 1 : 0;
563 } else if (monB) {
564 FlatPanel = (monB->input & FB_DISP_DDI) ? 1 : 0;
565 }
566
567 if (par->FlatPanel == -1) {
568 if (FlatPanel != -1) {
569 par->FlatPanel = FlatPanel;
570 par->Television = Television;
571 } else {
572 printk("nvidiafb: Unable to detect display "
573 "type...\n");
574 if (mobile) {
575 printk("...On a laptop, assuming "
576 "DFP\n");
577 par->FlatPanel = 1;
578 } else {
579 printk("...Using default of CRT\n");
580 par->FlatPanel = 0;
581 }
582 }
583 } else {
584 printk("nvidiafb: Forcing display type to %s as "
585 "specified\n", par->FlatPanel ? "DFP" : "CRT");
586 }
587
588 if (par->CRTCnumber == -1) {
589 if (CRTCnumber != -1)
590 par->CRTCnumber = CRTCnumber;
591 else {
592 printk("nvidiafb: Unable to detect which "
593 "CRTCNumber...\n");
594 if (par->FlatPanel)
595 par->CRTCnumber = 1;
596 else
597 par->CRTCnumber = 0;
598 printk("...Defaulting to CRTCNumber %i\n",
599 par->CRTCnumber);
600 }
601 } else {
602 printk("nvidiafb: Forcing CRTCNumber %i as "
603 "specified\n", par->CRTCnumber);
604 }
605
606 if (monA) {
607 if (((monA->input & FB_DISP_DDI) &&
608 par->FlatPanel) ||
609 ((!(monA->input & FB_DISP_DDI)) &&
610 !par->FlatPanel)) {
611 if (monB) {
612 fb_destroy_modedb(monB->modedb);
613 monB = NULL;
614 }
615 } else {
616 fb_destroy_modedb(monA->modedb);
617 monA = NULL;
618 }
619 }
620
621 if (monB) {
622 if (((monB->input & FB_DISP_DDI) &&
623 !par->FlatPanel) ||
624 ((!(monB->input & FB_DISP_DDI)) &&
625 par->FlatPanel)) {
626 fb_destroy_modedb(monB->modedb);
627 monB = NULL;
628 } else
629 monA = monB;
630 }
631
632 if (implementation == 0x0110)
633 cr44 = par->CRTCnumber * 0x3;
634
635 NV_WR32(par->PCRTC0, 0x00000860, oldhead);
636
637 VGA_WR08(par->PCIO, 0x03D4, 0x44);
638 VGA_WR08(par->PCIO, 0x03D5, cr44);
639 NVSelectHeadRegisters(par, par->CRTCnumber);
640 }
641
642 printk("nvidiafb: Using %s on CRTC %i\n",
643 par->FlatPanel ? (par->Television ? "TV" : "DFP") : "CRT",
644 par->CRTCnumber);
645
646 if (par->FlatPanel && !par->Television) {
647 par->fpWidth = NV_RD32(par->PRAMDAC, 0x0820) + 1;
648 par->fpHeight = NV_RD32(par->PRAMDAC, 0x0800) + 1;
649 par->fpSyncs = NV_RD32(par->PRAMDAC, 0x0848) & 0x30000033;
650
651 printk("nvidiafb: Panel size is %i x %i\n", par->fpWidth, par->fpHeight);
652 }
653
654 if (monA)
655 info->monspecs = *monA;
656
657 if (!par->FlatPanel || !par->twoHeads)
658 par->FPDither = 0;
659
660 par->LVDS = 0;
661 if (par->FlatPanel && par->twoHeads) {
662 NV_WR32(par->PRAMDAC0, 0x08B0, 0x00010004);
663 if (NV_RD32(par->PRAMDAC0, 0x08b4) & 1)
664 par->LVDS = 1;
665 printk("nvidiafb: Panel is %s\n", par->LVDS ? "LVDS" : "TMDS");
666 }
667
668 kfree(edidA);
669 kfree(edidB);
670 done:
671 kfree(var);
672 kfree(monitorA);
673 kfree(monitorB);
674 return err;
675 }