git.oblomov.eu Git - nouveau/blob - src/nv_setup.c

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  39
  40 /* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/nv/nv_setup.c,v 1.48 2005/09/14 02:28:03 mvojkovi Exp $ */
  41
  42 #include "nv_include.h"
  43 #include "nvreg.h"
  44
  45 /*
  46  * Override VGA I/O routines.
  47  */
  48 static void NVWriteCrtc(vgaHWPtr pVga, CARD8 index, CARD8 value)
  49 {
  50     NVPtr pNv = (NVPtr)pVga->MMIOBase;
  51     volatile CARD8 *ptr = pNv->cur_head ? pNv->PCIO1 : pNv->PCIO0;
  52     VGA_WR08(ptr, pVga->IOBase + VGA_CRTC_INDEX_OFFSET, index);
  53     VGA_WR08(ptr, pVga->IOBase + VGA_CRTC_DATA_OFFSET,  value);
  54 }
  55 static CARD8 NVReadCrtc(vgaHWPtr pVga, CARD8 index)
  56 {
  57     NVPtr pNv = (NVPtr)pVga->MMIOBase;
  58     volatile CARD8 *ptr = pNv->cur_head ? pNv->PCIO1 : pNv->PCIO0;
  59     VGA_WR08(ptr, pVga->IOBase + VGA_CRTC_INDEX_OFFSET, index);
  60     return (VGA_RD08(ptr, pVga->IOBase + VGA_CRTC_DATA_OFFSET));
  61 }
  62 static void NVWriteGr(vgaHWPtr pVga, CARD8 index, CARD8 value)
  63 {
  64     NVPtr pNv = (NVPtr)pVga->MMIOBase;
  65     VGA_WR08(pNv->PVIO0, VGA_GRAPH_INDEX, index);
  66     VGA_WR08(pNv->PVIO0, VGA_GRAPH_DATA,  value);
  67 }
  68 static CARD8 NVReadGr(vgaHWPtr pVga, CARD8 index)
  69 {
  70     NVPtr pNv = (NVPtr)pVga->MMIOBase;
  71     VGA_WR08(pNv->PVIO0, VGA_GRAPH_INDEX, index);
  72     return (VGA_RD08(pNv->PVIO0, VGA_GRAPH_DATA));
  73 }
  74 static void NVWriteSeq(vgaHWPtr pVga, CARD8 index, CARD8 value)
  75 {
  76     NVPtr pNv = (NVPtr)pVga->MMIOBase;
  77     VGA_WR08(pNv->PVIO0, VGA_SEQ_INDEX, index);
  78     VGA_WR08(pNv->PVIO0, VGA_SEQ_DATA,  value);
  79 }
  80 static CARD8 NVReadSeq(vgaHWPtr pVga, CARD8 index)
  81 {
  82     NVPtr pNv = (NVPtr)pVga->MMIOBase;
  83     VGA_WR08(pNv->PVIO0, VGA_SEQ_INDEX, index);
  84     return (VGA_RD08(pNv->PVIO0, VGA_SEQ_DATA));
  85 }
  86 static void NVWriteAttr(vgaHWPtr pVga, CARD8 index, CARD8 value)
  87 {
  88     NVPtr pNv = (NVPtr)pVga->MMIOBase;
  89     volatile CARD8 *ptr = pNv->cur_head ? pNv->PCIO1 : pNv->PCIO0;
  90     volatile CARD8 tmp;
  91
  92     tmp = VGA_RD08(ptr, pVga->IOBase + VGA_IN_STAT_1_OFFSET);
  93     if (pVga->paletteEnabled)
  94         index &= ~0x20;
  95     else
  96         index |= 0x20;
  97     VGA_WR08(ptr, VGA_ATTR_INDEX,  index);
  98     VGA_WR08(ptr, VGA_ATTR_DATA_W, value);
  99 }
 100 static CARD8 NVReadAttr(vgaHWPtr pVga, CARD8 index)
 101 {
 102     NVPtr pNv = (NVPtr)pVga->MMIOBase;
 103     volatile CARD8 *ptr = pNv->cur_head ? pNv->PCIO1 : pNv->PCIO0;
 104     volatile CARD8 tmp;
 105
 106     tmp = VGA_RD08(ptr, pVga->IOBase + VGA_IN_STAT_1_OFFSET);
 107     if (pVga->paletteEnabled)
 108         index &= ~0x20;
 109     else
 110         index |= 0x20;
 111     VGA_WR08(ptr, VGA_ATTR_INDEX, index);
 112     return (VGA_RD08(ptr, VGA_ATTR_DATA_R));
 113 }
 114 static void NVWriteMiscOut(vgaHWPtr pVga, CARD8 value)
 115 {
 116     NVPtr pNv = (NVPtr)pVga->MMIOBase;
 117     VGA_WR08(pNv->PVIO0, VGA_MISC_OUT_W, value);
 118 }
 119 static CARD8 NVReadMiscOut(vgaHWPtr pVga)
 120 {
 121     NVPtr pNv = (NVPtr)pVga->MMIOBase;
 122     return (VGA_RD08(pNv->PVIO0, VGA_MISC_OUT_R));
 123 }
 124 static void NVEnablePalette(vgaHWPtr pVga)
 125 {
 126     NVPtr pNv = (NVPtr)pVga->MMIOBase;
 127     volatile CARD8 *ptr = pNv->cur_head ? pNv->PCIO1 : pNv->PCIO0;
 128     volatile CARD8 tmp;
 129
 130     tmp = VGA_RD08(ptr, pVga->IOBase + VGA_IN_STAT_1_OFFSET);
 131     VGA_WR08(ptr, VGA_ATTR_INDEX, 0x00);
 132     pVga->paletteEnabled = TRUE;
 133 }
 134 static void NVDisablePalette(vgaHWPtr pVga)
 135 {
 136     NVPtr pNv = (NVPtr)pVga->MMIOBase;
 137     volatile CARD8 *ptr = pNv->cur_head ? pNv->PCIO1 : pNv->PCIO0;
 138     volatile CARD8 tmp;
 139
 140     tmp = VGA_RD08(ptr, pVga->IOBase + VGA_IN_STAT_1_OFFSET);
 141     VGA_WR08(ptr, VGA_ATTR_INDEX, 0x20);
 142     pVga->paletteEnabled = FALSE;
 143 }
 144 static void NVWriteDacMask(vgaHWPtr pVga, CARD8 value)
 145 {
 146     NVPtr pNv = (NVPtr)pVga->MMIOBase;
 147     volatile CARD8 *ptr = pNv->cur_head ? pNv->PDIO1 : pNv->PDIO0;
 148     VGA_WR08(ptr, VGA_DAC_MASK, value);
 149 }
 150 static CARD8 NVReadDacMask(vgaHWPtr pVga)
 151 {
 152     NVPtr pNv = (NVPtr)pVga->MMIOBase;
 153     volatile CARD8 *ptr = pNv->cur_head ? pNv->PDIO1 : pNv->PDIO0;
 154     return (VGA_RD08(ptr, VGA_DAC_MASK));
 155 }
 156 static void NVWriteDacReadAddr(vgaHWPtr pVga, CARD8 value)
 157 {
 158     NVPtr pNv = (NVPtr)pVga->MMIOBase;
 159     volatile CARD8 *ptr = pNv->cur_head ? pNv->PDIO1 : pNv->PDIO0;
 160     VGA_WR08(ptr, VGA_DAC_READ_ADDR, value);
 161 }
 162 static void NVWriteDacWriteAddr(vgaHWPtr pVga, CARD8 value)
 163 {
 164     NVPtr pNv = (NVPtr)pVga->MMIOBase;
 165     volatile CARD8 *ptr = pNv->cur_head ? pNv->PDIO1 : pNv->PDIO0;
 166     VGA_WR08(ptr, VGA_DAC_WRITE_ADDR, value);
 167 }
 168 static void NVWriteDacData(vgaHWPtr pVga, CARD8 value)
 169 {
 170     NVPtr pNv = (NVPtr)pVga->MMIOBase;
 171     volatile CARD8 *ptr = pNv->cur_head ? pNv->PDIO1 : pNv->PDIO0;
 172     VGA_WR08(ptr, VGA_DAC_DATA, value);
 173 }
 174 static CARD8 NVReadDacData(vgaHWPtr pVga)
 175 {
 176     NVPtr pNv = (NVPtr)pVga->MMIOBase;
 177     volatile CARD8 *ptr = pNv->cur_head ? pNv->PDIO1 : pNv->PDIO0;
 178     return (VGA_RD08(ptr, VGA_DAC_DATA));
 179 }
 180
 181 static Bool
 182 NVIsConnected (ScrnInfoPtr pScrn, int output)
 183 {
 184     NVPtr pNv = NVPTR(pScrn);
 185     CARD32 reg52C, reg608, temp;
 186     Bool present;
 187
 188     xf86DrvMsg(pScrn->scrnIndex, X_INFO,
 189                "Probing for analog device on output %s...\n",
 190                 output ? "B" : "A");
 191
 192     reg52C = nvReadRAMDAC(pNv, output, NV_RAMDAC_OUTPUT);
 193     reg608 = nvReadRAMDAC(pNv, output, NV_RAMDAC_TEST_CONTROL);
 194
 195     nvWriteRAMDAC(pNv, output, NV_RAMDAC_TEST_CONTROL, (reg608 & ~0x00010000));
 196
 197     nvWriteRAMDAC(pNv, output, NV_RAMDAC_OUTPUT, (reg52C & 0x0000FEEE));
 198     usleep(1000);
 199
 200     temp = nvReadRAMDAC(pNv, output, NV_RAMDAC_OUTPUT);
 201     nvWriteRAMDAC(pNv, output, NV_RAMDAC_OUTPUT, temp | 1);
 202
 203     nvWriteRAMDAC(pNv, output, NV_RAMDAC_TEST_DATA, 0x94050140);
 204     temp = nvReadRAMDAC(pNv, output, NV_RAMDAC_TEST_CONTROL);
 205     nvWriteRAMDAC(pNv, output, NV_RAMDAC_TEST_CONTROL, temp | 0x1000);
 206
 207     usleep(1000);
 208
 209     present = (nvReadRAMDAC(pNv, output, NV_RAMDAC_TEST_CONTROL) & (1 << 28)) ? TRUE : FALSE;
 210
 211     if(present)
 212        xf86DrvMsg(pScrn->scrnIndex, X_PROBED, "  ...found one\n");
 213     else
 214        xf86DrvMsg(pScrn->scrnIndex, X_PROBED, "  ...can't find one\n");
 215
 216     temp = nvReadRAMDAC(pNv, output, NV_RAMDAC_TEST_CONTROL);
 217     nvWriteRAMDAC(pNv, output, NV_RAMDAC_TEST_CONTROL, temp & 0x000EFFF);
 218
 219     nvWriteRAMDAC(pNv, output, NV_RAMDAC_OUTPUT, reg52C);
 220     nvWriteRAMDAC(pNv, output, NV_RAMDAC_TEST_CONTROL, reg608);
 221
 222     return present;
 223 }
 224
 225 static void
 226 NVSelectHeadRegisters(ScrnInfoPtr pScrn, int head)
 227 {
 228     NVPtr pNv = NVPTR(pScrn);
 229
 230     pNv->cur_head = head;
 231 }
 232
 233 static xf86MonPtr
 234 NVProbeDDC (ScrnInfoPtr pScrn, int bus)
 235 {
 236     NVPtr pNv = NVPTR(pScrn);
 237     xf86MonPtr MonInfo = NULL;
 238
 239     if(!pNv->I2C) return NULL;
 240
 241     pNv->DDCBase = bus ? 0x36 : 0x3e;
 242
 243     xf86DrvMsg(pScrn->scrnIndex, X_INFO,
 244                "Probing for EDID on I2C bus %s...\n", bus ? "B" : "A");
 245
 246     if ((MonInfo = xf86DoEDID_DDC2(pScrn->scrnIndex, pNv->I2C))) {
 247        xf86DrvMsg(pScrn->scrnIndex, X_PROBED,
 248                   "DDC detected a %s:\n", MonInfo->features.input_type ?
 249                   "DFP" : "CRT");
 250        xf86PrintEDID( MonInfo );
 251     } else {
 252        xf86DrvMsg(pScrn->scrnIndex, X_INFO,
 253                   "  ... none found\n");
 254     }
 255
 256     return MonInfo;
 257 }
 258
 259 static void nv4GetConfig (NVPtr pNv)
 260 {
 261     CARD32 reg_FB0 = nvReadFB(pNv, 0x0);
 262     if (reg_FB0 & 0x00000100) {
 263         pNv->RamAmountKBytes = ((reg_FB0 >> 12) & 0x0F) * 1024 * 2
 264                               + 1024 * 2;
 265     } else {
 266         switch (reg_FB0 & 0x00000003) {
 267         case 0:
 268             pNv->RamAmountKBytes = 1024 * 32;
 269             break;
 270         case 1:
 271             pNv->RamAmountKBytes = 1024 * 4;
 272             break;
 273         case 2:
 274             pNv->RamAmountKBytes = 1024 * 8;
 275             break;
 276         case 3:
 277         default:
 278             pNv->RamAmountKBytes = 1024 * 16;
 279             break;
 280         }
 281     }
 282     pNv->CrystalFreqKHz = (nvReadEXTDEV(pNv, 0x0000) & 0x00000040) ? 14318 : 13500;
 283     pNv->CURSOR         = &(pNv->PRAMIN[0x1E00]);
 284     pNv->MinVClockFreqKHz = 12000;
 285     pNv->MaxVClockFreqKHz = 350000;
 286 }
 287
 288 static void nv10GetConfig (NVPtr pNv)
 289 {
 290     CARD32 implementation = pNv->Chipset & 0x0ff0;
 291
 292 #if X_BYTE_ORDER == X_BIG_ENDIAN
 293     /* turn on big endian register access */
 294     if(!(nvReadMC(pNv, 0x0004) & 0x01000001)) {
 295        xf86DrvMsg(0, X_ERROR, "Card is in big endian mode, something is very wrong !\n");
 296     }
 297 #endif
 298
 299         if (implementation == CHIPSET_NFORCE) {
 300                 uint32_t amt;
 301 #ifdef XSERVER_LIBPCIACCESS
 302                 const struct pci_slot_match match[] = { {0, 0, 0, 1, 0} };
 303                 struct pci_device_iterator *iterator = pci_slot_match_iterator_create(&match);
 304                 /* assume one device to exist */
 305                 struct pci_device *device = pci_device_next(iterator);
 306                 PCI_DEV_READ_LONG(device, 0x7c, &amt);
 307 #else
 308                 amt = pciReadLong(pciTag(0, 0, 1), 0x7C);
 309 #endif /* XSERVER_LIBPCIACCESS */
 310                 pNv->RamAmountKBytes = (((amt >> 6) & 31) + 1) * 1024;
 311         } else if (implementation == CHIPSET_NFORCE2) {
 312                 uint32_t amt;
 313 #ifdef XSERVER_LIBPCIACCESS
 314                 const struct pci_slot_match match[] = { {0, 0, 0, 1, 0} };
 315                 struct pci_device_iterator *iterator = pci_slot_match_iterator_create(&match);
 316                 /* assume one device to exist */
 317                 struct pci_device *device = pci_device_next(iterator);
 318                 PCI_DEV_READ_LONG(device, 0x84, &amt);
 319 #else
 320                 amt = pciReadLong(pciTag(0, 0, 1), 0x84);
 321 #endif /* XSERVER_LIBPCIACCESS */
 322                 pNv->RamAmountKBytes = (((amt >> 4) & 127) + 1) * 1024;
 323         } else {
 324                 pNv->RamAmountKBytes = (nvReadFB(pNv, 0x020C) & 0xFFF00000) >> 10;
 325         }
 326
 327     if(pNv->RamAmountKBytes > 256*1024)
 328         pNv->RamAmountKBytes = 256*1024;
 329
 330     pNv->CrystalFreqKHz = (nvReadEXTDEV(pNv, 0x0000) & (1 << 6)) ? 14318 : 13500;
 331
 332     if(pNv->twoHeads && (implementation != CHIPSET_NV11))
 333     {
 334        if(nvReadEXTDEV(pNv, 0x0000) & (1 << 22))
 335            pNv->CrystalFreqKHz = 27000;
 336     }
 337
 338     pNv->CURSOR           = NULL;  /* can't set this here */
 339     pNv->MinVClockFreqKHz = 12000;
 340     pNv->MaxVClockFreqKHz = pNv->twoStagePLL ? 400000 : 350000;
 341 }
 342
 343 void
 344 NVCommonSetup(ScrnInfoPtr pScrn)
 345 {
 346     NVPtr pNv = NVPTR(pScrn);
 347     vgaHWPtr pVga = VGAHWPTR(pScrn);
 348     CARD16 implementation = pNv->Chipset & 0x0ff0;
 349     xf86MonPtr monitorA, monitorB;
 350     Bool tvA = FALSE;
 351     Bool tvB = FALSE;
 352     int FlatPanel = -1;   /* really means the CRTC is slaved */
 353     Bool Television = FALSE;
 354
 355     /*
 356      * Override VGA I/O routines.
 357      */
 358     pVga->writeCrtc         = NVWriteCrtc;
 359     pVga->readCrtc          = NVReadCrtc;
 360     pVga->writeGr           = NVWriteGr;
 361     pVga->readGr            = NVReadGr;
 362     pVga->writeAttr         = NVWriteAttr;
 363     pVga->readAttr          = NVReadAttr;
 364     pVga->writeSeq          = NVWriteSeq;
 365     pVga->readSeq           = NVReadSeq;
 366     pVga->writeMiscOut      = NVWriteMiscOut;
 367     pVga->readMiscOut       = NVReadMiscOut;
 368     pVga->enablePalette     = NVEnablePalette;
 369     pVga->disablePalette    = NVDisablePalette;
 370     pVga->writeDacMask      = NVWriteDacMask;
 371     pVga->readDacMask       = NVReadDacMask;
 372     pVga->writeDacWriteAddr = NVWriteDacWriteAddr;
 373     pVga->writeDacReadAddr  = NVWriteDacReadAddr;
 374     pVga->writeDacData      = NVWriteDacData;
 375     pVga->readDacData       = NVReadDacData;
 376     /*
 377      * Note: There are different pointers to the CRTC/AR and GR/SEQ registers.
 378      * Bastardize the intended uses of these to make it work.
 379      */
 380     pVga->MMIOBase   = (CARD8 *)pNv;
 381     pVga->MMIOOffset = 0;
 382
 383 #ifndef XSERVER_LIBPCIACCESS
 384         pNv->REGS = xf86MapPciMem(pScrn->scrnIndex,
 385                         VIDMEM_MMIO | VIDMEM_READSIDEEFFECT,
 386                         pNv->PciTag, pNv->IOAddress, 0x01000000);
 387 #else
 388         /* 0x01000000 is the size */
 389         pci_device_map_range(pNv->PciInfo, pNv->IOAddress, 0x01000000, PCI_DEV_MAP_FLAG_WRITABLE, &(pNv->REGS));
 390 #endif /* XSERVER_LIBPCIACCESS */
 391
 392     pNv->PRAMIN   = pNv->REGS + (NV_PRAMIN_OFFSET/4);
 393         if (pNv->Architecture >= NV_ARCH_50) {
 394                 pNv->NV50_PCRTC = pNv->REGS + (NV50_PCRTC_OFFSET/4);
 395         }
 396     pNv->PCRTC0   = pNv->REGS + (NV_PCRTC0_OFFSET/4);
 397     pNv->PRAMDAC0 = pNv->REGS + (NV_PRAMDAC0_OFFSET/4);
 398     pNv->PFB      = pNv->REGS + (NV_PFB_OFFSET/4);
 399     pNv->PFIFO    = pNv->REGS + (NV_PFIFO_OFFSET/4);
 400     pNv->PGRAPH   = pNv->REGS + (NV_PGRAPH_OFFSET/4);
 401     pNv->PEXTDEV  = pNv->REGS + (NV_PEXTDEV_OFFSET/4);
 402     pNv->PTIMER   = pNv->REGS + (NV_PTIMER_OFFSET/4);
 403     pNv->PVIDEO   = pNv->REGS + (NV_PVIDEO_OFFSET/4);
 404     pNv->PMC      = pNv->REGS + (NV_PMC_OFFSET/4);
 405
 406     pNv->PCRTC1   = pNv->PCRTC0 + 0x2000/4;
 407     pNv->PRAMDAC1 = pNv->PRAMDAC0 + 0x2000/4;
 408
 409     /* 8 bit registers */
 410     pNv->PCIO0    = (CARD8*)pNv->REGS + NV_PCIO0_OFFSET;
 411     pNv->PDIO0    = (CARD8*)pNv->REGS + NV_PDIO0_OFFSET;
 412     pNv->PVIO0     = (CARD8*)pNv->REGS + NV_PVIO_OFFSET;
 413     pNv->PROM     = (CARD8*)pNv->REGS + NV_PROM_OFFSET;
 414
 415     pNv->PCIO1    = pNv->PCIO0 + 0x2000;
 416     pNv->PDIO1    = pNv->PDIO0 + 0x2000;
 417     pNv->PVIO1    = pNv->PVIO0 + 0x2000;
 418
 419     pNv->twoHeads =  (pNv->Architecture >= NV_ARCH_10) &&
 420                      (implementation != CHIPSET_NV10) &&
 421                      (implementation != CHIPSET_NV15) &&
 422                      (implementation != CHIPSET_NFORCE) &&
 423                      (implementation != CHIPSET_NV20);
 424
 425     pNv->fpScaler = (pNv->FpScale && pNv->twoHeads && (implementation!=CHIPSET_NV11));
 426
 427     pNv->twoStagePLL = (implementation == CHIPSET_NV31) ||
 428                        (implementation == CHIPSET_NV36) ||
 429                        (pNv->Architecture >= NV_ARCH_40);
 430
 431     pNv->WaitVSyncPossible = (pNv->Architecture >= NV_ARCH_10) &&
 432                              (implementation != CHIPSET_NV10);
 433
 434     pNv->BlendingPossible = ((pNv->Chipset & 0xffff) > CHIPSET_NV04);
 435
 436     /* look for known laptop chips */
 437     /* FIXME we could add some ids here (0x0164,0x0167,0x0168,0x01D6,0x01D7,0x01D8,0x0298,0x0299,0x0398) */
 438     switch(pNv->Chipset & 0xffff) {
 439     case 0x0112:
 440     case 0x0174:
 441     case 0x0175:
 442     case 0x0176:
 443     case 0x0177:
 444     case 0x0179:
 445     case 0x017C:
 446     case 0x017D:
 447     case 0x0186:
 448     case 0x0187:
 449     case 0x018D:
 450     case 0x0228:
 451     case 0x0286:
 452     case 0x028C:
 453     case 0x0316:
 454     case 0x0317:
 455     case 0x031A:
 456     case 0x031B:
 457     case 0x031C:
 458     case 0x031D:
 459     case 0x031E:
 460     case 0x031F:
 461     case 0x0324:
 462     case 0x0325:
 463     case 0x0328:
 464     case 0x0329:
 465     case 0x032C:
 466     case 0x032D:
 467     case 0x0347:
 468     case 0x0348:
 469     case 0x0349:
 470     case 0x034B:
 471     case 0x034C:
 472     case 0x0160:
 473     case 0x0166:
 474     case 0x0169:
 475     case 0x016B:
 476     case 0x016C:
 477     case 0x016D:
 478     case 0x00C8:
 479     case 0x00CC:
 480     case 0x0144:
 481     case 0x0146:
 482     case 0x0148:
 483     case 0x0098:
 484     case 0x0099:
 485         pNv->Mobile = TRUE;
 486         break;
 487     default:
 488         break;
 489     }
 490
 491     pNv->Television = FALSE;
 492
 493     /* Parse the bios to initialize the card */
 494     NVSelectHeadRegisters(pScrn, 0);
 495     NVParseBios(pScrn);
 496
 497         if(pNv->Architecture == NV_ARCH_04) {
 498                 nv4GetConfig(pNv);
 499         } else {
 500                 nv10GetConfig(pNv);
 501         }
 502
 503     if (!pNv->randr12_enable) {
 504
 505         NVSelectHeadRegisters(pScrn, 0);
 506
 507         NVLockUnlock(pNv, 0);
 508
 509         NVI2CInit(pScrn);
 510
 511
 512         if(!pNv->twoHeads) {
 513             pNv->crtc_active[0] = TRUE;
 514             pNv->crtc_active[1] = FALSE;
 515             if((monitorA = NVProbeDDC(pScrn, 0))) {
 516                 FlatPanel = monitorA->features.input_type ? 1 : 0;
 517
 518                 /* NV4 doesn't support FlatPanels */
 519                 if((pNv->Chipset & 0x0fff) <= CHIPSET_NV04)
 520                     FlatPanel = 0;
 521             } else {
 522                 if(nvReadVGA(pNv, NV_VGA_CRTCX_PIXEL) & 0x80) {
 523                     if(!(nvReadVGA(pNv, NV_VGA_CRTCX_LCD) & 0x01))
 524                         Television = TRUE;
 525                     FlatPanel = 1;
 526                 } else {
 527                     FlatPanel = 0;
 528                 }
 529                 xf86DrvMsg(pScrn->scrnIndex, X_PROBED,
 530                            "HW is currently programmed for %s\n",
 531                            FlatPanel ? (Television ? "TV" : "DFP") : "CRT");
 532             }
 533
 534             if(pNv->FlatPanel == -1) {
 535                 pNv->FlatPanel = FlatPanel;
 536                 pNv->Television = Television;
 537             } else {
 538                 xf86DrvMsg(pScrn->scrnIndex, X_CONFIG,
 539                            "Forcing display type to %s as specified\n",
 540                            pNv->FlatPanel ? "DFP" : "CRT");
 541             }
 542         } else {
 543             CARD8 outputAfromCRTC, outputBfromCRTC;
 544             pNv->crtc_active[0] = FALSE;
 545             pNv->crtc_active[1] = FALSE;
 546             CARD8 slaved_on_A, slaved_on_B;
 547             Bool analog_on_A, analog_on_B;
 548             CARD32 oldhead;
 549             CARD8 cr44;
 550
 551             if(implementation != CHIPSET_NV11) {
 552                 if(nvReadRAMDAC0(pNv, NV_RAMDAC_OUTPUT) & 0x100)
 553                     outputAfromCRTC = 1;
 554                 else
 555                     outputAfromCRTC = 0;
 556                 if(nvReadRAMDAC(pNv, 1, NV_RAMDAC_OUTPUT) & 0x100)
 557                     outputBfromCRTC = 1;
 558                 else
 559                     outputBfromCRTC = 0;
 560                 analog_on_A = NVIsConnected(pScrn, 0);
 561                 analog_on_B = NVIsConnected(pScrn, 1);
 562             } else {
 563                 outputAfromCRTC = 0;
 564                 outputBfromCRTC = 1;
 565                 analog_on_A = FALSE;
 566                 analog_on_B = FALSE;
 567             }
 568
 569             cr44 = nvReadVGA(pNv, NV_VGA_CRTCX_OWNER);
 570             pNv->vtOWNER = cr44;
 571
 572             nvWriteVGA(pNv, NV_VGA_CRTCX_OWNER, 3);
 573             NVSelectHeadRegisters(pScrn, 1);
 574             NVLockUnlock(pNv, 0);
 575
 576             slaved_on_B = nvReadVGA(pNv, NV_VGA_CRTCX_PIXEL) & 0x80;
 577             if(slaved_on_B) {
 578                 tvB = !(nvReadVGA(pNv, NV_VGA_CRTCX_LCD) & 0x01);
 579             }
 580
 581             nvWriteVGA(pNv, NV_VGA_CRTCX_OWNER, 0);
 582             NVSelectHeadRegisters(pScrn, 0);
 583             NVLockUnlock(pNv, 0);
 584
 585             slaved_on_A = nvReadVGA(pNv, NV_VGA_CRTCX_PIXEL) & 0x80;
 586             if(slaved_on_A) {
 587                 tvA = !(nvReadVGA(pNv, NV_VGA_CRTCX_LCD) & 0x01);
 588             }
 589
 590             oldhead = nvReadCRTC0(pNv, NV_CRTC_FSEL);
 591             nvWriteCRTC0(pNv, NV_CRTC_FSEL, oldhead | 0x00000010);
 592
 593             monitorA = NVProbeDDC(pScrn, 0);
 594             monitorB = NVProbeDDC(pScrn, 1);
 595
 596             if(slaved_on_A && !tvA) {
 597                 pNv->crtc_active[0] = TRUE;
 598                 FlatPanel = 1;
 599                 xf86DrvMsg(pScrn->scrnIndex, X_PROBED,
 600                            "CRTC 0 is currently programmed for DFP\n");
 601             } else
 602                 if(slaved_on_B && !tvB) {
 603                     pNv->crtc_active[1] = TRUE;
 604                     FlatPanel = 1;
 605                     xf86DrvMsg(pScrn->scrnIndex, X_PROBED,
 606                                "CRTC 1 is currently programmed for DFP\n");
 607                 } else
 608                     if(analog_on_A) {
 609                         pNv->crtc_active[outputAfromCRTC] = TRUE;
 610                         FlatPanel = 0;
 611                         xf86DrvMsg(pScrn->scrnIndex, X_PROBED,
 612                                    "CRTC %i appears to have a CRT attached\n", pNv->crtc_active[1]);
 613                     } else
 614                         if(analog_on_B) {
 615                             pNv->crtc_active[outputBfromCRTC] = TRUE;
 616                             FlatPanel = 0;
 617                             xf86DrvMsg(pScrn->scrnIndex, X_PROBED,
 618                                        "CRTC %i appears to have a CRT attached\n", pNv->crtc_active[1]);
 619                         } else
 620                             if(slaved_on_A) {
 621                                 pNv->crtc_active[0] = TRUE;
 622                                 FlatPanel = 1;
 623                                 Television = 1;
 624                                 xf86DrvMsg(pScrn->scrnIndex, X_PROBED,
 625                                            "CRTC 0 is currently programmed for TV\n");
 626                             } else
 627                                 if(slaved_on_B) {
 628                                     pNv->crtc_active[1] = TRUE;
 629                                     FlatPanel = 1;
 630                                     Television = 1;
 631                                     xf86DrvMsg(pScrn->scrnIndex, X_PROBED,
 632                                                "CRTC 1 is currently programmed for TV\n");
 633                                 } else
 634                                     if(monitorA) {
 635                                         FlatPanel = monitorA->features.input_type ? 1 : 0;
 636                                     } else
 637                                         if(monitorB) {
 638                                             FlatPanel = monitorB->features.input_type ? 1 : 0;
 639                                         }
 640
 641             if(pNv->FlatPanel == -1) {
 642                 if(FlatPanel != -1) {
 643                     pNv->FlatPanel = FlatPanel;
 644                     pNv->Television = Television;
 645                 } else {
 646                     xf86DrvMsg(pScrn->scrnIndex, X_INFO,
 647                                "Unable to detect display type...\n");
 648                     if(pNv->Mobile) {
 649                         xf86DrvMsg(pScrn->scrnIndex, X_DEFAULT,
 650                                    "...On a laptop, assuming DFP\n");
 651                         pNv->FlatPanel = 1;
 652                     } else {
 653                         xf86DrvMsg(pScrn->scrnIndex, X_DEFAULT,
 654                                    "...Using default of CRT\n");
 655                         pNv->FlatPanel = 0;
 656                     }
 657                 }
 658             } else {
 659                 xf86DrvMsg(pScrn->scrnIndex, X_CONFIG,
 660                            "Forcing display type to %s as specified\n",
 661                            pNv->FlatPanel ? "DFP" : "CRT");
 662             }
 663
 664                 if(!(pNv->crtc_active[0]) && !(pNv->crtc_active[1])) {
 665                         xf86DrvMsg(pScrn->scrnIndex, X_INFO,
 666                                 "Unable to detect which CRTC is used...\n");
 667                         if(pNv->FlatPanel) {
 668                                 pNv->crtc_active[1] = TRUE;
 669                         } else {
 670                                 pNv->crtc_active[0] = TRUE;
 671                         }
 672                         xf86DrvMsg(pScrn->scrnIndex, X_DEFAULT,
 673                         "...Defaulting to CRTCNumber %i\n", pNv->crtc_active[1]);
 674                 }
 675
 676             if(monitorA) {
 677                 if((monitorA->features.input_type && pNv->FlatPanel) ||
 678                    (!monitorA->features.input_type && !pNv->FlatPanel))
 679                 {
 680                     if(monitorB) {
 681                         xfree(monitorB);
 682                         monitorB = NULL;
 683                     }
 684                 } else {
 685                     xfree(monitorA);
 686                     monitorA = NULL;
 687                 }
 688             }
 689
 690             if(monitorB) {
 691                 if((monitorB->features.input_type && !pNv->FlatPanel) ||
 692                    (!monitorB->features.input_type && pNv->FlatPanel))
 693                 {
 694                     xfree(monitorB);
 695                 } else {
 696                     monitorA = monitorB;
 697                 }
 698                 monitorB = NULL;
 699             }
 700
 701             if(implementation == CHIPSET_NV11)
 702                 cr44 = pNv->crtc_active[1] * 0x3;
 703
 704             nvWriteCRTC0(pNv, NV_CRTC_FSEL,  oldhead);
 705
 706             nvWriteVGA(pNv, NV_VGA_CRTCX_OWNER, cr44);
 707             NVSelectHeadRegisters(pScrn, pNv->crtc_active[1]);
 708         }
 709
 710         xf86DrvMsg(pScrn->scrnIndex, X_INFO,
 711                    "Using %s on CRTC %i\n",
 712                    pNv->FlatPanel ? (pNv->Television ? "TV" : "DFP") : "CRT",
 713                    pNv->crtc_active[1]);
 714
 715         if(pNv->FlatPanel && !pNv->Television) {
 716             pNv->fpWidth = nvReadCurRAMDAC(pNv, NV_RAMDAC_FP_HDISP_END) + 1;
 717             pNv->fpHeight = nvReadCurRAMDAC(pNv, NV_RAMDAC_FP_VDISP_END) + 1;
 718             pNv->fpSyncs = nvReadCurRAMDAC(pNv, NV_RAMDAC_FP_CONTROL) & 0x30000033;
 719             xf86DrvMsg(pScrn->scrnIndex, X_PROBED, "Panel size is %i x %i\n",
 720                        pNv->fpWidth, pNv->fpHeight);
 721         }
 722
 723         if(monitorA)
 724             xf86SetDDCproperties(pScrn, monitorA);
 725
 726         if(!pNv->FlatPanel || (pScrn->depth != 24) || !pNv->twoHeads)
 727             pNv->FPDither = FALSE;
 728
 729         pNv->LVDS = FALSE;
 730         if(pNv->FlatPanel && pNv->twoHeads) {
 731             nvWriteRAMDAC0(pNv, NV_RAMDAC_FP_TMDS_CONTROL, 0x00010004);
 732             if(nvReadRAMDAC0(pNv, NV_RAMDAC_FP_TMDS_DATA) & 1)
 733                 pNv->LVDS = TRUE;
 734             xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Panel is %s\n",
 735                        pNv->LVDS ? "LVDS" : "TMDS");
 736         }
 737     }
 738 }
 739