RT-AC66 3.0.0.4.374.130 core
[tomato.git] / release / src-rt-6.x / linux / linux-2.6 / drivers / video / nvidia / nv_setup.c
blob707e2c8a13ed85929f32df1a91488405812506d8
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 \***************************************************************************/
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.
47 * Antonino Daplas <adaplas@pol.net> 2005-03-11
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"
57 * Override VGA I/O routines.
59 void NVWriteCrtc(struct nvidia_par *par, u8 index, u8 value)
61 VGA_WR08(par->PCIO, par->IOBase + 0x04, index);
62 VGA_WR08(par->PCIO, par->IOBase + 0x05, value);
64 u8 NVReadCrtc(struct nvidia_par *par, u8 index)
66 VGA_WR08(par->PCIO, par->IOBase + 0x04, index);
67 return (VGA_RD08(par->PCIO, par->IOBase + 0x05));
69 void NVWriteGr(struct nvidia_par *par, u8 index, u8 value)
71 VGA_WR08(par->PVIO, VGA_GFX_I, index);
72 VGA_WR08(par->PVIO, VGA_GFX_D, value);
74 u8 NVReadGr(struct nvidia_par *par, u8 index)
76 VGA_WR08(par->PVIO, VGA_GFX_I, index);
77 return (VGA_RD08(par->PVIO, VGA_GFX_D));
79 void NVWriteSeq(struct nvidia_par *par, u8 index, u8 value)
81 VGA_WR08(par->PVIO, VGA_SEQ_I, index);
82 VGA_WR08(par->PVIO, VGA_SEQ_D, value);
84 u8 NVReadSeq(struct nvidia_par *par, u8 index)
86 VGA_WR08(par->PVIO, VGA_SEQ_I, index);
87 return (VGA_RD08(par->PVIO, VGA_SEQ_D));
89 void NVWriteAttr(struct nvidia_par *par, u8 index, u8 value)
91 volatile u8 tmp;
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);
101 u8 NVReadAttr(struct nvidia_par *par, u8 index)
103 volatile u8 tmp;
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));
113 void NVWriteMiscOut(struct nvidia_par *par, u8 value)
115 VGA_WR08(par->PVIO, VGA_MIS_W, value);
117 u8 NVReadMiscOut(struct nvidia_par *par)
119 return (VGA_RD08(par->PVIO, VGA_MIS_R));
121 #if 0
122 void NVEnablePalette(struct nvidia_par *par)
124 volatile u8 tmp;
126 tmp = VGA_RD08(par->PCIO, par->IOBase + 0x0a);
127 VGA_WR08(par->PCIO, VGA_ATT_IW, 0x00);
128 par->paletteEnabled = 1;
130 void NVDisablePalette(struct nvidia_par *par)
132 volatile u8 tmp;
134 tmp = VGA_RD08(par->PCIO, par->IOBase + 0x0a);
135 VGA_WR08(par->PCIO, VGA_ATT_IW, 0x20);
136 par->paletteEnabled = 0;
138 #endif /* 0 */
139 void NVWriteDacMask(struct nvidia_par *par, u8 value)
141 VGA_WR08(par->PDIO, VGA_PEL_MSK, value);
143 #if 0
144 u8 NVReadDacMask(struct nvidia_par *par)
146 return (VGA_RD08(par->PDIO, VGA_PEL_MSK));
148 #endif /* 0 */
149 void NVWriteDacReadAddr(struct nvidia_par *par, u8 value)
151 VGA_WR08(par->PDIO, VGA_PEL_IR, value);
153 void NVWriteDacWriteAddr(struct nvidia_par *par, u8 value)
155 VGA_WR08(par->PDIO, VGA_PEL_IW, value);
157 void NVWriteDacData(struct nvidia_par *par, u8 value)
159 VGA_WR08(par->PDIO, VGA_PEL_D, value);
161 u8 NVReadDacData(struct nvidia_par *par)
163 return (VGA_RD08(par->PDIO, VGA_PEL_D));
166 static int NVIsConnected(struct nvidia_par *par, int output)
168 volatile u32 __iomem *PRAMDAC = par->PRAMDAC0;
169 u32 reg52C, reg608;
170 int present;
172 if (output)
173 PRAMDAC += 0x800;
175 reg52C = NV_RD32(PRAMDAC, 0x052C);
176 reg608 = NV_RD32(PRAMDAC, 0x0608);
178 NV_WR32(PRAMDAC, 0x0608, reg608 & ~0x00010000);
180 NV_WR32(PRAMDAC, 0x052C, reg52C & 0x0000FEEE);
181 msleep(1);
182 NV_WR32(PRAMDAC, 0x052C, NV_RD32(PRAMDAC, 0x052C) | 1);
184 NV_WR32(par->PRAMDAC0, 0x0610, 0x94050140);
185 NV_WR32(par->PRAMDAC0, 0x0608, NV_RD32(par->PRAMDAC0, 0x0608) |
186 0x00001000);
188 msleep(1);
190 present = (NV_RD32(PRAMDAC, 0x0608) & (1 << 28)) ? 1 : 0;
192 if (present)
193 printk("nvidiafb: CRTC%i analog found\n", output);
194 else
195 printk("nvidiafb: CRTC%i analog not found\n", output);
197 NV_WR32(par->PRAMDAC0, 0x0608, NV_RD32(par->PRAMDAC0, 0x0608) &
198 0x0000EFFF);
200 NV_WR32(PRAMDAC, 0x052C, reg52C);
201 NV_WR32(PRAMDAC, 0x0608, reg608);
203 return present;
206 static void NVSelectHeadRegisters(struct nvidia_par *par, int head)
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;
221 static void nv4GetConfig(struct nvidia_par *par)
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;
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;
251 static void nv10GetConfig(struct nvidia_par *par)
253 struct pci_dev *dev;
254 u32 implementation = par->Chipset & 0x0ff0;
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();
262 #endif
264 dev = pci_get_bus_and_slot(0, 1);
265 if ((par->Chipset & 0xffff) == 0x01a0) {
266 int amt = 0;
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;
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;
279 pci_dev_put(dev);
281 par->CrystalFreqKHz = (NV_RD32(par->PEXTDEV, 0x0000) & (1 << 6)) ?
282 14318 : 13500;
284 if (par->twoHeads && (implementation != 0x0110)) {
285 if (NV_RD32(par->PEXTDEV, 0x0000) & (1 << 22))
286 par->CrystalFreqKHz = 27000;
289 par->CURSOR = NULL; /* can't set this here */
290 par->MinVClockFreqKHz = 12000;
291 par->MaxVClockFreqKHz = par->twoStagePLL ? 400000 : 350000;
294 int NVCommonSetup(struct fb_info *info)
296 struct nvidia_par *par = info->par;
297 struct fb_var_screeninfo *var;
298 u16 implementation = par->Chipset & 0x0ff0;
299 u8 *edidA = NULL, *edidB = NULL;
300 struct fb_monspecs *monitorA, *monitorB;
301 struct fb_monspecs *monA = NULL, *monB = NULL;
302 int mobile = 0;
303 int tvA = 0;
304 int tvB = 0;
305 int FlatPanel = -1; /* really means the CRTC is slaved */
306 int Television = 0;
307 int err = 0;
309 var = kzalloc(sizeof(struct fb_var_screeninfo), GFP_KERNEL);
310 monitorA = kzalloc(sizeof(struct fb_monspecs), GFP_KERNEL);
311 monitorB = kzalloc(sizeof(struct fb_monspecs), GFP_KERNEL);
313 if (!var || !monitorA || !monitorB) {
314 err = -ENOMEM;
315 goto done;
318 par->PRAMIN = par->REGS + (0x00710000 / 4);
319 par->PCRTC0 = par->REGS + (0x00600000 / 4);
320 par->PRAMDAC0 = par->REGS + (0x00680000 / 4);
321 par->PFB = par->REGS + (0x00100000 / 4);
322 par->PFIFO = par->REGS + (0x00002000 / 4);
323 par->PGRAPH = par->REGS + (0x00400000 / 4);
324 par->PEXTDEV = par->REGS + (0x00101000 / 4);
325 par->PTIMER = par->REGS + (0x00009000 / 4);
326 par->PMC = par->REGS + (0x00000000 / 4);
327 par->FIFO = par->REGS + (0x00800000 / 4);
329 /* 8 bit registers */
330 par->PCIO0 = (u8 __iomem *) par->REGS + 0x00601000;
331 par->PDIO0 = (u8 __iomem *) par->REGS + 0x00681000;
332 par->PVIO = (u8 __iomem *) par->REGS + 0x000C0000;
334 par->twoHeads = (par->Architecture >= NV_ARCH_10) &&
335 (implementation != 0x0100) &&
336 (implementation != 0x0150) &&
337 (implementation != 0x01A0) && (implementation != 0x0200);
339 par->fpScaler = (par->FpScale && par->twoHeads &&
340 (implementation != 0x0110));
342 par->twoStagePLL = (implementation == 0x0310) ||
343 (implementation == 0x0340) || (par->Architecture >= NV_ARCH_40);
345 par->WaitVSyncPossible = (par->Architecture >= NV_ARCH_10) &&
346 (implementation != 0x0100);
348 par->BlendingPossible = ((par->Chipset & 0xffff) != 0x0020);
350 /* look for known laptop chips */
351 switch (par->Chipset & 0xffff) {
352 case 0x0112:
353 case 0x0174:
354 case 0x0175:
355 case 0x0176:
356 case 0x0177:
357 case 0x0179:
358 case 0x017C:
359 case 0x017D:
360 case 0x0186:
361 case 0x0187:
362 case 0x018D:
363 case 0x0228:
364 case 0x0286:
365 case 0x028C:
366 case 0x0316:
367 case 0x0317:
368 case 0x031A:
369 case 0x031B:
370 case 0x031C:
371 case 0x031D:
372 case 0x031E:
373 case 0x031F:
374 case 0x0324:
375 case 0x0325:
376 case 0x0328:
377 case 0x0329:
378 case 0x032C:
379 case 0x032D:
380 case 0x0347:
381 case 0x0348:
382 case 0x0349:
383 case 0x034B:
384 case 0x034C:
385 case 0x0160:
386 case 0x0166:
387 case 0x0169:
388 case 0x016B:
389 case 0x016C:
390 case 0x016D:
391 case 0x00C8:
392 case 0x00CC:
393 case 0x0144:
394 case 0x0146:
395 case 0x0147:
396 case 0x0148:
397 case 0x0098:
398 case 0x0099:
399 mobile = 1;
400 break;
401 default:
402 break;
405 if (par->Architecture == NV_ARCH_04)
406 nv4GetConfig(par);
407 else
408 nv10GetConfig(par);
410 NVSelectHeadRegisters(par, 0);
412 NVLockUnlock(par, 0);
414 par->IOBase = (NVReadMiscOut(par) & 0x01) ? 0x3d0 : 0x3b0;
416 par->Television = 0;
418 nvidia_create_i2c_busses(par);
419 if (!par->twoHeads) {
420 par->CRTCnumber = 0;
421 if (nvidia_probe_i2c_connector(info, 1, &edidA))
422 nvidia_probe_of_connector(info, 1, &edidA);
423 if (edidA && !fb_parse_edid(edidA, var)) {
424 printk("nvidiafb: EDID found from BUS1\n");
425 monA = monitorA;
426 fb_edid_to_monspecs(edidA, monA);
427 FlatPanel = (monA->input & FB_DISP_DDI) ? 1 : 0;
429 /* NV4 doesn't support FlatPanels */
430 if ((par->Chipset & 0x0fff) <= 0x0020)
431 FlatPanel = 0;
432 } else {
433 VGA_WR08(par->PCIO, 0x03D4, 0x28);
434 if (VGA_RD08(par->PCIO, 0x03D5) & 0x80) {
435 VGA_WR08(par->PCIO, 0x03D4, 0x33);
436 if (!(VGA_RD08(par->PCIO, 0x03D5) & 0x01))
437 Television = 1;
438 FlatPanel = 1;
439 } else {
440 FlatPanel = 0;
442 printk("nvidiafb: HW is currently programmed for %s\n",
443 FlatPanel ? (Television ? "TV" : "DFP") :
444 "CRT");
447 if (par->FlatPanel == -1) {
448 par->FlatPanel = FlatPanel;
449 par->Television = Television;
450 } else {
451 printk("nvidiafb: Forcing display type to %s as "
452 "specified\n", par->FlatPanel ? "DFP" : "CRT");
454 } else {
455 u8 outputAfromCRTC, outputBfromCRTC;
456 int CRTCnumber = -1;
457 u8 slaved_on_A, slaved_on_B;
458 int analog_on_A, analog_on_B;
459 u32 oldhead;
460 u8 cr44;
462 if (implementation != 0x0110) {
463 if (NV_RD32(par->PRAMDAC0, 0x0000052C) & 0x100)
464 outputAfromCRTC = 1;
465 else
466 outputAfromCRTC = 0;
467 if (NV_RD32(par->PRAMDAC0, 0x0000252C) & 0x100)
468 outputBfromCRTC = 1;
469 else
470 outputBfromCRTC = 0;
471 analog_on_A = NVIsConnected(par, 0);
472 analog_on_B = NVIsConnected(par, 1);
473 } else {
474 outputAfromCRTC = 0;
475 outputBfromCRTC = 1;
476 analog_on_A = 0;
477 analog_on_B = 0;
480 VGA_WR08(par->PCIO, 0x03D4, 0x44);
481 cr44 = VGA_RD08(par->PCIO, 0x03D5);
483 VGA_WR08(par->PCIO, 0x03D5, 3);
484 NVSelectHeadRegisters(par, 1);
485 NVLockUnlock(par, 0);
487 VGA_WR08(par->PCIO, 0x03D4, 0x28);
488 slaved_on_B = VGA_RD08(par->PCIO, 0x03D5) & 0x80;
489 if (slaved_on_B) {
490 VGA_WR08(par->PCIO, 0x03D4, 0x33);
491 tvB = !(VGA_RD08(par->PCIO, 0x03D5) & 0x01);
494 VGA_WR08(par->PCIO, 0x03D4, 0x44);
495 VGA_WR08(par->PCIO, 0x03D5, 0);
496 NVSelectHeadRegisters(par, 0);
497 NVLockUnlock(par, 0);
499 VGA_WR08(par->PCIO, 0x03D4, 0x28);
500 slaved_on_A = VGA_RD08(par->PCIO, 0x03D5) & 0x80;
501 if (slaved_on_A) {
502 VGA_WR08(par->PCIO, 0x03D4, 0x33);
503 tvA = !(VGA_RD08(par->PCIO, 0x03D5) & 0x01);
506 oldhead = NV_RD32(par->PCRTC0, 0x00000860);
507 NV_WR32(par->PCRTC0, 0x00000860, oldhead | 0x00000010);
509 if (nvidia_probe_i2c_connector(info, 1, &edidA))
510 nvidia_probe_of_connector(info, 1, &edidA);
511 if (edidA && !fb_parse_edid(edidA, var)) {
512 printk("nvidiafb: EDID found from BUS1\n");
513 monA = monitorA;
514 fb_edid_to_monspecs(edidA, monA);
517 if (nvidia_probe_i2c_connector(info, 2, &edidB))
518 nvidia_probe_of_connector(info, 2, &edidB);
519 if (edidB && !fb_parse_edid(edidB, var)) {
520 printk("nvidiafb: EDID found from BUS2\n");
521 monB = monitorB;
522 fb_edid_to_monspecs(edidB, monB);
525 if (slaved_on_A && !tvA) {
526 CRTCnumber = 0;
527 FlatPanel = 1;
528 printk("nvidiafb: CRTC 0 is currently programmed for "
529 "DFP\n");
530 } else if (slaved_on_B && !tvB) {
531 CRTCnumber = 1;
532 FlatPanel = 1;
533 printk("nvidiafb: CRTC 1 is currently programmed "
534 "for DFP\n");
535 } else if (analog_on_A) {
536 CRTCnumber = outputAfromCRTC;
537 FlatPanel = 0;
538 printk("nvidiafb: CRTC %i appears to have a "
539 "CRT attached\n", CRTCnumber);
540 } else if (analog_on_B) {
541 CRTCnumber = outputBfromCRTC;
542 FlatPanel = 0;
543 printk("nvidiafb: CRTC %i"
544 "appears to have a "
545 "CRT attached\n", CRTCnumber);
546 } else if (slaved_on_A) {
547 CRTCnumber = 0;
548 FlatPanel = 1;
549 Television = 1;
550 printk("nvidiafb: CRTC 0 is currently programmed "
551 "for TV\n");
552 } else if (slaved_on_B) {
553 CRTCnumber = 1;
554 FlatPanel = 1;
555 Television = 1;
556 printk("nvidiafb: CRTC 1 is currently programmed for "
557 "TV\n");
558 } else if (monA) {
559 FlatPanel = (monA->input & FB_DISP_DDI) ? 1 : 0;
560 } else if (monB) {
561 FlatPanel = (monB->input & FB_DISP_DDI) ? 1 : 0;
564 if (par->FlatPanel == -1) {
565 if (FlatPanel != -1) {
566 par->FlatPanel = FlatPanel;
567 par->Television = Television;
568 } else {
569 printk("nvidiafb: Unable to detect display "
570 "type...\n");
571 if (mobile) {
572 printk("...On a laptop, assuming "
573 "DFP\n");
574 par->FlatPanel = 1;
575 } else {
576 printk("...Using default of CRT\n");
577 par->FlatPanel = 0;
580 } else {
581 printk("nvidiafb: Forcing display type to %s as "
582 "specified\n", par->FlatPanel ? "DFP" : "CRT");
585 if (par->CRTCnumber == -1) {
586 if (CRTCnumber != -1)
587 par->CRTCnumber = CRTCnumber;
588 else {
589 printk("nvidiafb: Unable to detect which "
590 "CRTCNumber...\n");
591 if (par->FlatPanel)
592 par->CRTCnumber = 1;
593 else
594 par->CRTCnumber = 0;
595 printk("...Defaulting to CRTCNumber %i\n",
596 par->CRTCnumber);
598 } else {
599 printk("nvidiafb: Forcing CRTCNumber %i as "
600 "specified\n", par->CRTCnumber);
603 if (monA) {
604 if (((monA->input & FB_DISP_DDI) &&
605 par->FlatPanel) ||
606 ((!(monA->input & FB_DISP_DDI)) &&
607 !par->FlatPanel)) {
608 if (monB) {
609 fb_destroy_modedb(monB->modedb);
610 monB = NULL;
612 } else {
613 fb_destroy_modedb(monA->modedb);
614 monA = NULL;
618 if (monB) {
619 if (((monB->input & FB_DISP_DDI) &&
620 !par->FlatPanel) ||
621 ((!(monB->input & FB_DISP_DDI)) &&
622 par->FlatPanel)) {
623 fb_destroy_modedb(monB->modedb);
624 monB = NULL;
625 } else
626 monA = monB;
629 if (implementation == 0x0110)
630 cr44 = par->CRTCnumber * 0x3;
632 NV_WR32(par->PCRTC0, 0x00000860, oldhead);
634 VGA_WR08(par->PCIO, 0x03D4, 0x44);
635 VGA_WR08(par->PCIO, 0x03D5, cr44);
636 NVSelectHeadRegisters(par, par->CRTCnumber);
639 printk("nvidiafb: Using %s on CRTC %i\n",
640 par->FlatPanel ? (par->Television ? "TV" : "DFP") : "CRT",
641 par->CRTCnumber);
643 if (par->FlatPanel && !par->Television) {
644 par->fpWidth = NV_RD32(par->PRAMDAC, 0x0820) + 1;
645 par->fpHeight = NV_RD32(par->PRAMDAC, 0x0800) + 1;
646 par->fpSyncs = NV_RD32(par->PRAMDAC, 0x0848) & 0x30000033;
648 printk("nvidiafb: Panel size is %i x %i\n", par->fpWidth, par->fpHeight);
651 if (monA)
652 info->monspecs = *monA;
654 if (!par->FlatPanel || !par->twoHeads)
655 par->FPDither = 0;
657 par->LVDS = 0;
658 if (par->FlatPanel && par->twoHeads) {
659 NV_WR32(par->PRAMDAC0, 0x08B0, 0x00010004);
660 if (NV_RD32(par->PRAMDAC0, 0x08b4) & 1)
661 par->LVDS = 1;
662 printk("nvidiafb: Panel is %s\n", par->LVDS ? "LVDS" : "TMDS");
665 kfree(edidA);
666 kfree(edidB);
667 done:
668 kfree(var);
669 kfree(monitorA);
670 kfree(monitorB);
671 return err;