nv_setup.c (18467B)
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 */ 60void 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} 65u8 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} 70void 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} 75u8 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} 80void 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} 85u8 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} 90void NVWriteAttr(struct nvidia_par *par, u8 index, u8 value) 91{ 92 93 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} 101u8 NVReadAttr(struct nvidia_par *par, u8 index) 102{ 103 VGA_RD08(par->PCIO, par->IOBase + 0x0a); 104 if (par->paletteEnabled) 105 index &= ~0x20; 106 else 107 index |= 0x20; 108 VGA_WR08(par->PCIO, VGA_ATT_IW, index); 109 return (VGA_RD08(par->PCIO, VGA_ATT_R)); 110} 111void NVWriteMiscOut(struct nvidia_par *par, u8 value) 112{ 113 VGA_WR08(par->PVIO, VGA_MIS_W, value); 114} 115u8 NVReadMiscOut(struct nvidia_par *par) 116{ 117 return (VGA_RD08(par->PVIO, VGA_MIS_R)); 118} 119void NVWriteDacMask(struct nvidia_par *par, u8 value) 120{ 121 VGA_WR08(par->PDIO, VGA_PEL_MSK, value); 122} 123void NVWriteDacReadAddr(struct nvidia_par *par, u8 value) 124{ 125 VGA_WR08(par->PDIO, VGA_PEL_IR, value); 126} 127void NVWriteDacWriteAddr(struct nvidia_par *par, u8 value) 128{ 129 VGA_WR08(par->PDIO, VGA_PEL_IW, value); 130} 131void NVWriteDacData(struct nvidia_par *par, u8 value) 132{ 133 VGA_WR08(par->PDIO, VGA_PEL_D, value); 134} 135u8 NVReadDacData(struct nvidia_par *par) 136{ 137 return (VGA_RD08(par->PDIO, VGA_PEL_D)); 138} 139 140static int NVIsConnected(struct nvidia_par *par, int output) 141{ 142 volatile u32 __iomem *PRAMDAC = par->PRAMDAC0; 143 u32 reg52C, reg608, dac0_reg608 = 0; 144 int present; 145 146 if (output) { 147 dac0_reg608 = NV_RD32(PRAMDAC, 0x0608); 148 PRAMDAC += 0x800; 149 } 150 151 reg52C = NV_RD32(PRAMDAC, 0x052C); 152 reg608 = NV_RD32(PRAMDAC, 0x0608); 153 154 NV_WR32(PRAMDAC, 0x0608, reg608 & ~0x00010000); 155 156 NV_WR32(PRAMDAC, 0x052C, reg52C & 0x0000FEEE); 157 msleep(1); 158 NV_WR32(PRAMDAC, 0x052C, NV_RD32(PRAMDAC, 0x052C) | 1); 159 160 NV_WR32(par->PRAMDAC0, 0x0610, 0x94050140); 161 NV_WR32(par->PRAMDAC0, 0x0608, NV_RD32(par->PRAMDAC0, 0x0608) | 162 0x00001000); 163 164 msleep(1); 165 166 present = (NV_RD32(PRAMDAC, 0x0608) & (1 << 28)) ? 1 : 0; 167 168 if (present) 169 printk("nvidiafb: CRTC%i analog found\n", output); 170 else 171 printk("nvidiafb: CRTC%i analog not found\n", output); 172 173 if (output) 174 NV_WR32(par->PRAMDAC0, 0x0608, dac0_reg608); 175 176 NV_WR32(PRAMDAC, 0x052C, reg52C); 177 NV_WR32(PRAMDAC, 0x0608, reg608); 178 179 return present; 180} 181 182static void NVSelectHeadRegisters(struct nvidia_par *par, int head) 183{ 184 if (head) { 185 par->PCIO = par->PCIO0 + 0x2000; 186 par->PCRTC = par->PCRTC0 + 0x800; 187 par->PRAMDAC = par->PRAMDAC0 + 0x800; 188 par->PDIO = par->PDIO0 + 0x2000; 189 } else { 190 par->PCIO = par->PCIO0; 191 par->PCRTC = par->PCRTC0; 192 par->PRAMDAC = par->PRAMDAC0; 193 par->PDIO = par->PDIO0; 194 } 195} 196 197static void nv4GetConfig(struct nvidia_par *par) 198{ 199 if (NV_RD32(par->PFB, 0x0000) & 0x00000100) { 200 par->RamAmountKBytes = 201 ((NV_RD32(par->PFB, 0x0000) >> 12) & 0x0F) * 1024 * 2 + 202 1024 * 2; 203 } else { 204 switch (NV_RD32(par->PFB, 0x0000) & 0x00000003) { 205 case 0: 206 par->RamAmountKBytes = 1024 * 32; 207 break; 208 case 1: 209 par->RamAmountKBytes = 1024 * 4; 210 break; 211 case 2: 212 par->RamAmountKBytes = 1024 * 8; 213 break; 214 case 3: 215 default: 216 par->RamAmountKBytes = 1024 * 16; 217 break; 218 } 219 } 220 par->CrystalFreqKHz = (NV_RD32(par->PEXTDEV, 0x0000) & 0x00000040) ? 221 14318 : 13500; 222 par->CURSOR = &par->PRAMIN[0x1E00]; 223 par->MinVClockFreqKHz = 12000; 224 par->MaxVClockFreqKHz = 350000; 225} 226 227static void nv10GetConfig(struct nvidia_par *par) 228{ 229 struct pci_dev *dev; 230 u32 implementation = par->Chipset & 0x0ff0; 231 232#ifdef __BIG_ENDIAN 233 /* turn on big endian register access */ 234 if (!(NV_RD32(par->PMC, 0x0004) & 0x01000001)) { 235 NV_WR32(par->PMC, 0x0004, 0x01000001); 236 mb(); 237 } 238#endif 239 240 dev = pci_get_domain_bus_and_slot(pci_domain_nr(par->pci_dev->bus), 241 0, 1); 242 if ((par->Chipset & 0xffff) == 0x01a0) { 243 u32 amt; 244 245 pci_read_config_dword(dev, 0x7c, &amt); 246 par->RamAmountKBytes = (((amt >> 6) & 31) + 1) * 1024; 247 } else if ((par->Chipset & 0xffff) == 0x01f0) { 248 u32 amt; 249 250 pci_read_config_dword(dev, 0x84, &amt); 251 par->RamAmountKBytes = (((amt >> 4) & 127) + 1) * 1024; 252 } else { 253 par->RamAmountKBytes = 254 (NV_RD32(par->PFB, 0x020C) & 0xFFF00000) >> 10; 255 } 256 pci_dev_put(dev); 257 258 par->CrystalFreqKHz = (NV_RD32(par->PEXTDEV, 0x0000) & (1 << 6)) ? 259 14318 : 13500; 260 261 if (par->twoHeads && (implementation != 0x0110)) { 262 if (NV_RD32(par->PEXTDEV, 0x0000) & (1 << 22)) 263 par->CrystalFreqKHz = 27000; 264 } 265 266 par->CURSOR = NULL; /* can't set this here */ 267 par->MinVClockFreqKHz = 12000; 268 par->MaxVClockFreqKHz = par->twoStagePLL ? 400000 : 350000; 269} 270 271int NVCommonSetup(struct fb_info *info) 272{ 273 struct nvidia_par *par = info->par; 274 struct fb_var_screeninfo *var; 275 u16 implementation = par->Chipset & 0x0ff0; 276 u8 *edidA = NULL, *edidB = NULL; 277 struct fb_monspecs *monitorA, *monitorB; 278 struct fb_monspecs *monA = NULL, *monB = NULL; 279 int mobile = 0; 280 int tvA = 0; 281 int tvB = 0; 282 int FlatPanel = -1; /* really means the CRTC is slaved */ 283 int Television = 0; 284 int err = 0; 285 286 var = kzalloc(sizeof(struct fb_var_screeninfo), GFP_KERNEL); 287 monitorA = kzalloc(sizeof(struct fb_monspecs), GFP_KERNEL); 288 monitorB = kzalloc(sizeof(struct fb_monspecs), GFP_KERNEL); 289 290 if (!var || !monitorA || !monitorB) { 291 err = -ENOMEM; 292 goto done; 293 } 294 295 par->PRAMIN = par->REGS + (0x00710000 / 4); 296 par->PCRTC0 = par->REGS + (0x00600000 / 4); 297 par->PRAMDAC0 = par->REGS + (0x00680000 / 4); 298 par->PFB = par->REGS + (0x00100000 / 4); 299 par->PFIFO = par->REGS + (0x00002000 / 4); 300 par->PGRAPH = par->REGS + (0x00400000 / 4); 301 par->PEXTDEV = par->REGS + (0x00101000 / 4); 302 par->PTIMER = par->REGS + (0x00009000 / 4); 303 par->PMC = par->REGS + (0x00000000 / 4); 304 par->FIFO = par->REGS + (0x00800000 / 4); 305 306 /* 8 bit registers */ 307 par->PCIO0 = (u8 __iomem *) par->REGS + 0x00601000; 308 par->PDIO0 = (u8 __iomem *) par->REGS + 0x00681000; 309 par->PVIO = (u8 __iomem *) par->REGS + 0x000C0000; 310 311 par->twoHeads = (par->Architecture >= NV_ARCH_10) && 312 (implementation != 0x0100) && 313 (implementation != 0x0150) && 314 (implementation != 0x01A0) && (implementation != 0x0200); 315 316 par->fpScaler = (par->FpScale && par->twoHeads && 317 (implementation != 0x0110)); 318 319 par->twoStagePLL = (implementation == 0x0310) || 320 (implementation == 0x0340) || (par->Architecture >= NV_ARCH_40); 321 322 par->WaitVSyncPossible = (par->Architecture >= NV_ARCH_10) && 323 (implementation != 0x0100); 324 325 par->BlendingPossible = ((par->Chipset & 0xffff) != 0x0020); 326 327 /* look for known laptop chips */ 328 switch (par->Chipset & 0xffff) { 329 case 0x0112: 330 case 0x0174: 331 case 0x0175: 332 case 0x0176: 333 case 0x0177: 334 case 0x0179: 335 case 0x017C: 336 case 0x017D: 337 case 0x0186: 338 case 0x0187: 339 case 0x018D: 340 case 0x01D7: 341 case 0x0228: 342 case 0x0286: 343 case 0x028C: 344 case 0x0316: 345 case 0x0317: 346 case 0x031A: 347 case 0x031B: 348 case 0x031C: 349 case 0x031D: 350 case 0x031E: 351 case 0x031F: 352 case 0x0324: 353 case 0x0325: 354 case 0x0328: 355 case 0x0329: 356 case 0x032C: 357 case 0x032D: 358 case 0x0347: 359 case 0x0348: 360 case 0x0349: 361 case 0x034B: 362 case 0x034C: 363 case 0x0160: 364 case 0x0166: 365 case 0x0169: 366 case 0x016B: 367 case 0x016C: 368 case 0x016D: 369 case 0x00C8: 370 case 0x00CC: 371 case 0x0144: 372 case 0x0146: 373 case 0x0147: 374 case 0x0148: 375 case 0x0098: 376 case 0x0099: 377 mobile = 1; 378 break; 379 default: 380 break; 381 } 382 383 if (par->Architecture == NV_ARCH_04) 384 nv4GetConfig(par); 385 else 386 nv10GetConfig(par); 387 388 NVSelectHeadRegisters(par, 0); 389 390 NVLockUnlock(par, 0); 391 392 par->IOBase = (NVReadMiscOut(par) & 0x01) ? 0x3d0 : 0x3b0; 393 394 par->Television = 0; 395 396 nvidia_create_i2c_busses(par); 397 if (!par->twoHeads) { 398 par->CRTCnumber = 0; 399 if (nvidia_probe_i2c_connector(info, 1, &edidA)) 400 nvidia_probe_of_connector(info, 1, &edidA); 401 if (edidA && !fb_parse_edid(edidA, var)) { 402 printk("nvidiafb: EDID found from BUS1\n"); 403 monA = monitorA; 404 fb_edid_to_monspecs(edidA, monA); 405 FlatPanel = (monA->input & FB_DISP_DDI) ? 1 : 0; 406 407 /* NV4 doesn't support FlatPanels */ 408 if ((par->Chipset & 0x0fff) <= 0x0020) 409 FlatPanel = 0; 410 } else { 411 VGA_WR08(par->PCIO, 0x03D4, 0x28); 412 if (VGA_RD08(par->PCIO, 0x03D5) & 0x80) { 413 VGA_WR08(par->PCIO, 0x03D4, 0x33); 414 if (!(VGA_RD08(par->PCIO, 0x03D5) & 0x01)) 415 Television = 1; 416 FlatPanel = 1; 417 } else { 418 FlatPanel = 0; 419 } 420 printk("nvidiafb: HW is currently programmed for %s\n", 421 FlatPanel ? (Television ? "TV" : "DFP") : 422 "CRT"); 423 } 424 425 if (par->FlatPanel == -1) { 426 par->FlatPanel = FlatPanel; 427 par->Television = Television; 428 } else { 429 printk("nvidiafb: Forcing display type to %s as " 430 "specified\n", par->FlatPanel ? "DFP" : "CRT"); 431 } 432 } else { 433 u8 outputAfromCRTC, outputBfromCRTC; 434 int CRTCnumber = -1; 435 u8 slaved_on_A, slaved_on_B; 436 int analog_on_A, analog_on_B; 437 u32 oldhead; 438 u8 cr44; 439 440 if (implementation != 0x0110) { 441 if (NV_RD32(par->PRAMDAC0, 0x0000052C) & 0x100) 442 outputAfromCRTC = 1; 443 else 444 outputAfromCRTC = 0; 445 if (NV_RD32(par->PRAMDAC0, 0x0000252C) & 0x100) 446 outputBfromCRTC = 1; 447 else 448 outputBfromCRTC = 0; 449 analog_on_A = NVIsConnected(par, 0); 450 analog_on_B = NVIsConnected(par, 1); 451 } else { 452 outputAfromCRTC = 0; 453 outputBfromCRTC = 1; 454 analog_on_A = 0; 455 analog_on_B = 0; 456 } 457 458 VGA_WR08(par->PCIO, 0x03D4, 0x44); 459 cr44 = VGA_RD08(par->PCIO, 0x03D5); 460 461 VGA_WR08(par->PCIO, 0x03D5, 3); 462 NVSelectHeadRegisters(par, 1); 463 NVLockUnlock(par, 0); 464 465 VGA_WR08(par->PCIO, 0x03D4, 0x28); 466 slaved_on_B = VGA_RD08(par->PCIO, 0x03D5) & 0x80; 467 if (slaved_on_B) { 468 VGA_WR08(par->PCIO, 0x03D4, 0x33); 469 tvB = !(VGA_RD08(par->PCIO, 0x03D5) & 0x01); 470 } 471 472 VGA_WR08(par->PCIO, 0x03D4, 0x44); 473 VGA_WR08(par->PCIO, 0x03D5, 0); 474 NVSelectHeadRegisters(par, 0); 475 NVLockUnlock(par, 0); 476 477 VGA_WR08(par->PCIO, 0x03D4, 0x28); 478 slaved_on_A = VGA_RD08(par->PCIO, 0x03D5) & 0x80; 479 if (slaved_on_A) { 480 VGA_WR08(par->PCIO, 0x03D4, 0x33); 481 tvA = !(VGA_RD08(par->PCIO, 0x03D5) & 0x01); 482 } 483 484 oldhead = NV_RD32(par->PCRTC0, 0x00000860); 485 NV_WR32(par->PCRTC0, 0x00000860, oldhead | 0x00000010); 486 487 if (nvidia_probe_i2c_connector(info, 1, &edidA)) 488 nvidia_probe_of_connector(info, 1, &edidA); 489 if (edidA && !fb_parse_edid(edidA, var)) { 490 printk("nvidiafb: EDID found from BUS1\n"); 491 monA = monitorA; 492 fb_edid_to_monspecs(edidA, monA); 493 } 494 495 if (nvidia_probe_i2c_connector(info, 2, &edidB)) 496 nvidia_probe_of_connector(info, 2, &edidB); 497 if (edidB && !fb_parse_edid(edidB, var)) { 498 printk("nvidiafb: EDID found from BUS2\n"); 499 monB = monitorB; 500 fb_edid_to_monspecs(edidB, monB); 501 } 502 503 if (slaved_on_A && !tvA) { 504 CRTCnumber = 0; 505 FlatPanel = 1; 506 printk("nvidiafb: CRTC 0 is currently programmed for " 507 "DFP\n"); 508 } else if (slaved_on_B && !tvB) { 509 CRTCnumber = 1; 510 FlatPanel = 1; 511 printk("nvidiafb: CRTC 1 is currently programmed " 512 "for DFP\n"); 513 } else if (analog_on_A) { 514 CRTCnumber = outputAfromCRTC; 515 FlatPanel = 0; 516 printk("nvidiafb: CRTC %i appears to have a " 517 "CRT attached\n", CRTCnumber); 518 } else if (analog_on_B) { 519 CRTCnumber = outputBfromCRTC; 520 FlatPanel = 0; 521 printk("nvidiafb: CRTC %i appears to have a " 522 "CRT attached\n", CRTCnumber); 523 } else if (slaved_on_A) { 524 CRTCnumber = 0; 525 FlatPanel = 1; 526 Television = 1; 527 printk("nvidiafb: CRTC 0 is currently programmed " 528 "for TV\n"); 529 } else if (slaved_on_B) { 530 CRTCnumber = 1; 531 FlatPanel = 1; 532 Television = 1; 533 printk("nvidiafb: CRTC 1 is currently programmed for " 534 "TV\n"); 535 } else if (monA) { 536 FlatPanel = (monA->input & FB_DISP_DDI) ? 1 : 0; 537 } else if (monB) { 538 FlatPanel = (monB->input & FB_DISP_DDI) ? 1 : 0; 539 } 540 541 if (par->FlatPanel == -1) { 542 if (FlatPanel != -1) { 543 par->FlatPanel = FlatPanel; 544 par->Television = Television; 545 } else { 546 printk("nvidiafb: Unable to detect display " 547 "type...\n"); 548 if (mobile) { 549 printk("...On a laptop, assuming " 550 "DFP\n"); 551 par->FlatPanel = 1; 552 } else { 553 printk("...Using default of CRT\n"); 554 par->FlatPanel = 0; 555 } 556 } 557 } else { 558 printk("nvidiafb: Forcing display type to %s as " 559 "specified\n", par->FlatPanel ? "DFP" : "CRT"); 560 } 561 562 if (par->CRTCnumber == -1) { 563 if (CRTCnumber != -1) 564 par->CRTCnumber = CRTCnumber; 565 else { 566 printk("nvidiafb: Unable to detect which " 567 "CRTCNumber...\n"); 568 if (par->FlatPanel) 569 par->CRTCnumber = 1; 570 else 571 par->CRTCnumber = 0; 572 printk("...Defaulting to CRTCNumber %i\n", 573 par->CRTCnumber); 574 } 575 } else { 576 printk("nvidiafb: Forcing CRTCNumber %i as " 577 "specified\n", par->CRTCnumber); 578 } 579 580 if (monA) { 581 if (((monA->input & FB_DISP_DDI) && 582 par->FlatPanel) || 583 ((!(monA->input & FB_DISP_DDI)) && 584 !par->FlatPanel)) { 585 if (monB) { 586 fb_destroy_modedb(monB->modedb); 587 monB = NULL; 588 } 589 } else { 590 fb_destroy_modedb(monA->modedb); 591 monA = NULL; 592 } 593 } 594 595 if (monB) { 596 if (((monB->input & FB_DISP_DDI) && 597 !par->FlatPanel) || 598 ((!(monB->input & FB_DISP_DDI)) && 599 par->FlatPanel)) { 600 fb_destroy_modedb(monB->modedb); 601 monB = NULL; 602 } else 603 monA = monB; 604 } 605 606 if (implementation == 0x0110) 607 cr44 = par->CRTCnumber * 0x3; 608 609 NV_WR32(par->PCRTC0, 0x00000860, oldhead); 610 611 VGA_WR08(par->PCIO, 0x03D4, 0x44); 612 VGA_WR08(par->PCIO, 0x03D5, cr44); 613 NVSelectHeadRegisters(par, par->CRTCnumber); 614 } 615 616 printk("nvidiafb: Using %s on CRTC %i\n", 617 par->FlatPanel ? (par->Television ? "TV" : "DFP") : "CRT", 618 par->CRTCnumber); 619 620 if (par->FlatPanel && !par->Television) { 621 par->fpWidth = NV_RD32(par->PRAMDAC, 0x0820) + 1; 622 par->fpHeight = NV_RD32(par->PRAMDAC, 0x0800) + 1; 623 par->fpSyncs = NV_RD32(par->PRAMDAC, 0x0848) & 0x30000033; 624 625 printk("nvidiafb: Panel size is %i x %i\n", par->fpWidth, par->fpHeight); 626 } 627 628 if (monA) 629 info->monspecs = *monA; 630 631 if (!par->FlatPanel || !par->twoHeads) 632 par->FPDither = 0; 633 634 par->LVDS = 0; 635 if (par->FlatPanel && par->twoHeads) { 636 NV_WR32(par->PRAMDAC0, 0x08B0, 0x00010004); 637 if (NV_RD32(par->PRAMDAC0, 0x08b4) & 1) 638 par->LVDS = 1; 639 printk("nvidiafb: Panel is %s\n", par->LVDS ? "LVDS" : "TMDS"); 640 } 641 642 kfree(edidA); 643 kfree(edidB); 644done: 645 kfree(var); 646 kfree(monitorA); 647 kfree(monitorB); 648 return err; 649}