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

   1 /*
   2  * Copyright 2006 Dave Airlie
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECT
  21  */
  22 /*
  23  * this code uses ideas taken from the NVIDIA nv driver - the nvidia license
  24  * decleration is at the bottom of this file as it is rather ugly
  25  */
  26
  27
  28 #ifdef HAVE_CONFIG_H
  29 #include "config.h"
  30 #endif
  31
  32 #include <assert.h>
  33 #include "xf86.h"
  34 #include "os.h"
  35 #include "mibank.h"
  36 #include "globals.h"
  37 #include "xf86.h"
  38 #include "xf86Priv.h"
  39 #include "xf86DDC.h"
  40 #include "mipointer.h"
  41 #include "windowstr.h"
  42 #include <randrstr.h>
  43 #include <X11/extensions/render.h>
  44
  45 #include "xf86Crtc.h"
  46 #include "nv_include.h"
  47
  48 #include "vgaHW.h"
  49
  50 #define CRTC_INDEX 0x3d4
  51 #define CRTC_DATA 0x3d5
  52 #define CRTC_IN_STAT_1 0x3da
  53
  54 #define WHITE_VALUE 0x3F
  55 #define BLACK_VALUE 0x00
  56 #define OVERSCAN_VALUE 0x01
  57
  58 static void nv_crtc_load_state_vga(xf86CrtcPtr crtc, RIVA_HW_STATE *state);
  59 static void nv_crtc_load_state_ext (xf86CrtcPtr crtc, RIVA_HW_STATE *state);
  60 static void nv_crtc_save_state_ext(xf86CrtcPtr crtc, RIVA_HW_STATE *state);
  61 static void nv_crtc_save_state_vga(xf86CrtcPtr crtc, RIVA_HW_STATE *state);
  62
  63 static void NVWriteMiscOut(xf86CrtcPtr crtc, CARD8 value)
  64 {
  65   ScrnInfoPtr pScrn = crtc->scrn;
  66   NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
  67   NVPtr pNv = NVPTR(pScrn);
  68
  69   NV_WR08(pNv->PVIO, VGA_MISC_OUT_W, value);
  70 }
  71
  72 static CARD8 NVReadMiscOut(xf86CrtcPtr crtc)
  73 {
  74   ScrnInfoPtr pScrn = crtc->scrn;
  75   NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
  76   NVPtr pNv = NVPTR(pScrn);
  77
  78   return NV_RD08(pNv->PVIO, VGA_MISC_OUT_R);
  79 }
  80
  81
  82 static void NVWriteVgaCrtc(xf86CrtcPtr crtc, CARD8 index, CARD8 value)
  83 {
  84   ScrnInfoPtr pScrn = crtc->scrn;
  85   NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
  86   NVPtr pNv = NVPTR(pScrn);
  87   volatile CARD8 *pCRTCReg = nv_crtc->crtc ? pNv->PCIO1 : pNv->PCIO0;
  88
  89   NV_WR08(pCRTCReg, CRTC_INDEX, index);
  90   NV_WR08(pCRTCReg, CRTC_DATA, value);
  91 }
  92
  93 static CARD8 NVReadVgaCrtc(xf86CrtcPtr crtc, CARD8 index)
  94 {
  95   ScrnInfoPtr pScrn = crtc->scrn;
  96   NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
  97   NVPtr pNv = NVPTR(pScrn);
  98   volatile CARD8 *pCRTCReg = nv_crtc->crtc ? pNv->PCIO1 : pNv->PCIO0;
  99
 100   NV_WR08(pCRTCReg, CRTC_INDEX, index);
 101   return NV_RD08(pCRTCReg, CRTC_DATA);
 102 }
 103
 104 static void NVWriteVgaSeq(xf86CrtcPtr crtc, CARD8 index, CARD8 value)
 105 {
 106   ScrnInfoPtr pScrn = crtc->scrn;
 107   NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
 108   NVPtr pNv = NVPTR(pScrn);
 109
 110   NV_WR08(pNv->PVIO, VGA_SEQ_INDEX, index);
 111   NV_WR08(pNv->PVIO, VGA_SEQ_DATA, value);
 112 }
 113
 114 static CARD8 NVReadVgaSeq(xf86CrtcPtr crtc, CARD8 index)
 115 {
 116   ScrnInfoPtr pScrn = crtc->scrn;
 117   NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
 118   NVPtr pNv = NVPTR(pScrn);
 119   volatile CARD8 *pVGAReg = pNv->PVIO;
 120
 121   NV_WR08(pNv->PVIO, VGA_SEQ_INDEX, index);
 122   return NV_RD08(pNv->PVIO, VGA_SEQ_DATA);
 123 }
 124
 125 static void NVWriteVgaGr(xf86CrtcPtr crtc, CARD8 index, CARD8 value)
 126 {
 127   ScrnInfoPtr pScrn = crtc->scrn;
 128   NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
 129   NVPtr pNv = NVPTR(pScrn);
 130
 131   NV_WR08(pNv->PVIO, VGA_GRAPH_INDEX, index);
 132   NV_WR08(pNv->PVIO, VGA_GRAPH_DATA, value);
 133 }
 134
 135 static CARD8 NVReadVgaGr(xf86CrtcPtr crtc, CARD8 index)
 136 {
 137   ScrnInfoPtr pScrn = crtc->scrn;
 138   NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
 139   NVPtr pNv = NVPTR(pScrn);
 140   volatile CARD8 *pVGAReg = pNv->PVIO;
 141
 142   NV_WR08(pVGAReg, VGA_GRAPH_INDEX, index);
 143   return NV_RD08(pVGAReg, VGA_GRAPH_DATA);
 144 }
 145
 146
 147 static void NVWriteVgaAttr(xf86CrtcPtr crtc, CARD8 index, CARD8 value)
 148 {
 149   ScrnInfoPtr pScrn = crtc->scrn;
 150   NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
 151   NVPtr pNv = NVPTR(pScrn);
 152   volatile CARD8 *pCRTCReg = nv_crtc->crtc ? pNv->PCIO1 : pNv->PCIO0;
 153
 154   NV_RD08(pCRTCReg, CRTC_IN_STAT_1);
 155   if (nv_crtc->paletteEnabled)
 156     index &= ~0x20;
 157   else
 158     index |= 0x20;
 159   NV_WR08(pCRTCReg, VGA_ATTR_INDEX, index);
 160   NV_WR08(pCRTCReg, VGA_ATTR_DATA_W, value);
 161 }
 162
 163 static CARD8 NVReadVgaAttr(xf86CrtcPtr crtc, CARD8 index)
 164 {
 165   ScrnInfoPtr pScrn = crtc->scrn;
 166   NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
 167   NVPtr pNv = NVPTR(pScrn);
 168   volatile CARD8 *pCRTCReg = nv_crtc->crtc ? pNv->PCIO1 : pNv->PCIO0;
 169
 170   NV_RD08(pCRTCReg, CRTC_IN_STAT_1);
 171   if (nv_crtc->paletteEnabled)
 172     index &= ~0x20;
 173   else
 174     index |= 0x20;
 175   NV_WR08(pCRTCReg, VGA_ATTR_INDEX, index);
 176   return NV_RD08(pCRTCReg, VGA_ATTR_DATA_R);
 177 }
 178
 179 void NVCrtcSetOwner(xf86CrtcPtr crtc)
 180 {
 181   NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
 182   /*TODO beos double writes this on nv11 */
 183   NVWriteVgaCrtc(crtc, NV_VGA_CRTCX_OWNER, nv_crtc->crtc * 0x3);
 184 }
 185
 186 static void
 187 NVEnablePalette(xf86CrtcPtr crtc)
 188 {
 189   ScrnInfoPtr pScrn = crtc->scrn;
 190   NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
 191   NVPtr pNv = NVPTR(pScrn);
 192   volatile CARD8 *pCRTCReg = nv_crtc->crtc ? pNv->PCIO1 : pNv->PCIO0;
 193
 194   NV_RD08(pCRTCReg, CRTC_IN_STAT_1);
 195   NV_WR08(pCRTCReg, VGA_ATTR_INDEX, 0);
 196   nv_crtc->paletteEnabled = TRUE;
 197 }
 198
 199 static void
 200 NVDisablePalette(xf86CrtcPtr crtc)
 201 {
 202   ScrnInfoPtr pScrn = crtc->scrn;
 203   NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
 204   NVPtr pNv = NVPTR(pScrn);
 205   volatile CARD8 *pCRTCReg = nv_crtc->crtc ? pNv->PCIO1 : pNv->PCIO0;
 206
 207   NV_RD08(pCRTCReg, CRTC_IN_STAT_1);
 208   NV_WR08(pCRTCReg, VGA_ATTR_INDEX, 0x20);
 209   nv_crtc->paletteEnabled = FALSE;
 210 }
 211
 212 static void NVWriteVgaReg(xf86CrtcPtr crtc, CARD32 reg, CARD8 value)
 213 {
 214  ScrnInfoPtr pScrn = crtc->scrn;
 215   NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
 216   NVPtr pNv = NVPTR(pScrn);
 217   volatile CARD8 *pCRTCReg = nv_crtc->crtc ? pNv->PCIO1 : pNv->PCIO0;
 218
 219   NV_WR08(pCRTCReg, reg, value);
 220 }
 221
 222 /* perform a sequencer reset */
 223 static void NVVgaSeqReset(xf86CrtcPtr crtc, Bool start)
 224 {
 225   if (start)
 226     NVWriteVgaSeq(crtc, 0x00, 0x1);
 227   else
 228     NVWriteVgaSeq(crtc, 0x00, 0x3);
 229
 230 }
 231 static void NVVgaProtect(xf86CrtcPtr crtc, Bool on)
 232 {
 233   CARD8 tmp;
 234
 235   if (on) {
 236     tmp = NVReadVgaSeq(crtc, 0x1);
 237     NVVgaSeqReset(crtc, TRUE);
 238     NVWriteVgaSeq(crtc, 0x01, tmp | 0x20);
 239
 240     NVEnablePalette(crtc);
 241   } else {
 242     /*
 243      * Reenable sequencer, then turn on screen.
 244      */
 245     tmp = NVReadVgaSeq(crtc, 0x1);
 246     NVWriteVgaSeq(crtc, 0x01, tmp & ~0x20);     /* reenable display */
 247     NVVgaSeqReset(crtc, FALSE);
 248
 249     NVDisablePalette(crtc);
 250   }
 251 }
 252
 253 void NVCrtcLockUnlock(xf86CrtcPtr crtc, Bool Lock)
 254 {
 255   CARD8 cr11;
 256
 257   NVWriteVgaCrtc(crtc, NV_VGA_CRTCX_LOCK, Lock ? 0x99 : 0x57);
 258   cr11 = NVReadVgaCrtc(crtc, NV_VGA_CRTCX_VSYNCE);
 259   if (Lock) cr11 |= 0x80;
 260   else cr11 &= ~0x80;
 261   NVWriteVgaCrtc(crtc, NV_VGA_CRTCX_VSYNCE, cr11);
 262 }
 263 /*
 264  * Calculate the Video Clock parameters for the PLL.
 265  */
 266 static void CalcVClock (
 267     int           clockIn,
 268     int          *clockOut,
 269     CARD32         *pllOut,
 270     NVPtr        pNv
 271 )
 272 {
 273     unsigned lowM, highM;
 274     unsigned DeltaNew, DeltaOld;
 275     unsigned VClk, Freq;
 276     unsigned M, N, P;
 277
 278     DeltaOld = 0xFFFFFFFF;
 279
 280     VClk = (unsigned)clockIn;
 281
 282     if (pNv->CrystalFreqKHz == 13500) {
 283         lowM  = 7;
 284         highM = 13;
 285     } else {
 286         lowM  = 8;
 287         highM = 14;
 288     }
 289
 290     for (P = 0; P <= 4; P++) {
 291         Freq = VClk << P;
 292         if ((Freq >= 128000) && (Freq <= 350000)) {
 293             for (M = lowM; M <= highM; M++) {
 294                 N = ((VClk << P) * M) / pNv->CrystalFreqKHz;
 295                 if(N <= 255) {
 296                     Freq = ((pNv->CrystalFreqKHz * N) / M) >> P;
 297                     if (Freq > VClk)
 298                         DeltaNew = Freq - VClk;
 299                     else
 300                         DeltaNew = VClk - Freq;
 301                     if (DeltaNew < DeltaOld) {
 302                         *pllOut   = (P << 16) | (N << 8) | M;
 303                         *clockOut = Freq;
 304                         DeltaOld  = DeltaNew;
 305                     }
 306                 }
 307             }
 308         }
 309     }
 310 }
 311
 312 static void CalcVClock2Stage (
 313     int           clockIn,
 314     int          *clockOut,
 315     CARD32         *pllOut,
 316     CARD32         *pllBOut,
 317     NVPtr        pNv
 318 )
 319 {
 320     unsigned DeltaNew, DeltaOld;
 321     unsigned VClk, Freq;
 322     unsigned M, N, P;
 323
 324     DeltaOld = 0xFFFFFFFF;
 325
 326     *pllBOut = 0x80000401;  /* fixed at x4 for now */
 327
 328     VClk = (unsigned)clockIn;
 329
 330     for (P = 0; P <= 6; P++) {
 331         Freq = VClk << P;
 332         if ((Freq >= 400000) && (Freq <= 1000000)) {
 333             for (M = 1; M <= 13; M++) {
 334                 N = ((VClk << P) * M) / (pNv->CrystalFreqKHz << 2);
 335                 if((N >= 5) && (N <= 255)) {
 336                     Freq = (((pNv->CrystalFreqKHz << 2) * N) / M) >> P;
 337                     if (Freq > VClk)
 338                         DeltaNew = Freq - VClk;
 339                     else
 340                         DeltaNew = VClk - Freq;
 341                     if (DeltaNew < DeltaOld) {
 342                         *pllOut   = (P << 16) | (N << 8) | M;
 343                         *clockOut = Freq;
 344                         DeltaOld  = DeltaNew;
 345                     }
 346                 }
 347             }
 348         }
 349     }
 350 }
 351
 352 static void nv_crtc_save_state_pll(NVPtr pNv, RIVA_HW_STATE *state)
 353 {
 354   state->vpll         = nvReadRAMDAC0(pNv, NV_RAMDAC_VPLL);
 355   if(pNv->twoHeads)
 356     state->vpll2     = nvReadRAMDAC0(pNv, NV_RAMDAC_VPLL2);
 357   if(pNv->twoStagePLL) {
 358     state->vpllB    = nvReadRAMDAC0(pNv, NV_RAMDAC_VPLL_B);
 359     state->vpll2B   = nvReadRAMDAC0(pNv, NV_RAMDAC_VPLL2_B);
 360   }
 361   state->pllsel       = nvReadRAMDAC0(pNv, NV_RAMDAC_PLL_SELECT);
 362 }
 363
 364
 365 static void nv_crtc_load_state_pll(NVPtr pNv, RIVA_HW_STATE *state)
 366 {
 367   nvWriteRAMDAC0(pNv, NV_RAMDAC_PLL_SELECT, state->pllsel);
 368
 369   ErrorF("writting vpll %08X\n", state->vpll);
 370   ErrorF("writting vpll2 %08X\n", state->vpll2);
 371   nvWriteRAMDAC0(pNv, NV_RAMDAC_VPLL, state->vpll);
 372   if(pNv->twoHeads)
 373     nvWriteRAMDAC0(pNv, NV_RAMDAC_VPLL2, state->vpll2);
 374   if(pNv->twoStagePLL) {
 375     nvWriteRAMDAC0(pNv, NV_RAMDAC_VPLL_B, state->vpllB);
 376     nvWriteRAMDAC0(pNv, NV_RAMDAC_VPLL2_B, state->vpll2B);
 377   }
 378 }
 379
 380 /*
 381  * Calculate extended mode parameters (SVGA) and save in a
 382  * mode state structure.
 383  */
 384 void nv_crtc_calc_state_ext(
 385     xf86CrtcPtr crtc,
 386     int            bpp,
 387     int            width,
 388     int            hDisplaySize,
 389     int            height,
 390     int            dotClock,
 391     int            flags
 392 )
 393 {
 394     ScrnInfoPtr pScrn = crtc->scrn;
 395     int pixelDepth, VClk;
 396     CARD32 CursorStart;
 397     NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
 398     xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
 399     NVCrtcRegPtr regp;
 400     NVPtr pNv = NVPTR(pScrn);
 401     RIVA_HW_STATE *state;
 402     int num_crtc_enabled, i;
 403
 404     state = &pNv->ModeReg;
 405
 406     regp = &pNv->ModeReg.crtc_reg[nv_crtc->crtc];
 407
 408     /*
 409      * Extended RIVA registers.
 410      */
 411     pixelDepth = (bpp + 1)/8;
 412     if(pNv->twoStagePLL)
 413         CalcVClock2Stage(dotClock, &VClk, &state->pll, &state->pllB, pNv);
 414     else
 415         CalcVClock(dotClock, &VClk, &state->pll, pNv);
 416
 417     switch (pNv->Architecture)
 418     {
 419         case NV_ARCH_04:
 420             nv4UpdateArbitrationSettings(VClk,
 421                                          pixelDepth * 8,
 422                                         &(state->arbitration0),
 423                                         &(state->arbitration1),
 424                                          pNv);
 425             regp->CRTC[NV_VGA_CRTCX_CURCTL0] = 0x00;
 426             regp->CRTC[NV_VGA_CRTCX_CURCTL1] = 0xbC;
 427             if (flags & V_DBLSCAN)
 428                 regp->CRTC[NV_VGA_CRTCX_CURCTL1] |= 2;
 429             regp->CRTC[NV_VGA_CRTCX_CURCTL2] = 0x00000000;
 430             state->pllsel   |= NV_RAMDAC_PLL_SELECT_VCLK_RATIO_DB2 | NV_RAMDAC_PLL_SELECT_PLL_SOURCE_ALL;
 431             state->config   = 0x00001114;
 432             regp->CRTC[NV_VGA_CRTCX_REPAINT1] = hDisplaySize < 1280 ? 0x04 : 0x00;
 433             break;
 434         case NV_ARCH_10:
 435         case NV_ARCH_20:
 436         case NV_ARCH_30:
 437         default:
 438             if(((pNv->Chipset & 0xfff0) == CHIPSET_C51) ||
 439                ((pNv->Chipset & 0xfff0) == CHIPSET_C512))
 440             {
 441                 state->arbitration0 = 128;
 442                 state->arbitration1 = 0x0480;
 443             } else
 444             if(((pNv->Chipset & 0xffff) == CHIPSET_NFORCE) ||
 445                ((pNv->Chipset & 0xffff) == CHIPSET_NFORCE2))
 446             {
 447                 nForceUpdateArbitrationSettings(VClk,
 448                                           pixelDepth * 8,
 449                                          &(state->arbitration0),
 450                                          &(state->arbitration1),
 451                                           pNv);
 452             } else if(pNv->Architecture < NV_ARCH_30) {
 453                 nv10UpdateArbitrationSettings(VClk,
 454                                           pixelDepth * 8,
 455                                          &(state->arbitration0),
 456                                          &(state->arbitration1),
 457                                           pNv);
 458             } else {
 459                 nv30UpdateArbitrationSettings(pNv,
 460                                          &(state->arbitration0),
 461                                          &(state->arbitration1));
 462             }
 463
 464
 465             CursorStart = pNv->Cursor->offset;
 466
 467             regp->CRTC[NV_VGA_CRTCX_CURCTL0] = 0x80 | (CursorStart >> 17);
 468             regp->CRTC[NV_VGA_CRTCX_CURCTL1] = (CursorStart >> 11) << 2;
 469             regp->CRTC[NV_VGA_CRTCX_CURCTL2] = CursorStart >> 24;
 470
 471             if (flags & V_DBLSCAN)
 472                 regp->CRTC[NV_VGA_CRTCX_CURCTL1]|= 2;
 473
 474
 475             state->config   = nvReadFB(pNv, NV_PFB_CFG0);
 476             regp->CRTC[NV_VGA_CRTCX_REPAINT1] = hDisplaySize < 1280 ? 0x04 : 0x00;
 477             break;
 478     }
 479
 480     /* okay do we have 2 CRTCs running ? */
 481     num_crtc_enabled = 0;
 482     for (i = 0; i < xf86_config->num_crtc; i++) {
 483       if (xf86_config->crtc[i]->enabled)
 484         num_crtc_enabled++;
 485     }
 486
 487     if (num_crtc_enabled > 1) {
 488       if (nv_crtc->crtc == 1) {
 489         state->vpll2 = state->pll;
 490         state->vpll2B = state->pllB;
 491         state->pllsel |= (1<<29) | (1<<11);
 492       } else {
 493         state->vpll = state->pll;
 494         state->vpllB = state->pllB;
 495         state->pllsel |= NV_RAMDAC_PLL_SELECT_PLL_SOURCE_ALL;
 496         state->pllsel &= ~NV_RAMDAC_PLL_SELECT_VCLK_RATIO_DB2;
 497       }
 498     } else {
 499       state->vpll = state->pll;
 500       state->vpllB = state->pllB;
 501       state->pllsel |= NV_RAMDAC_PLL_SELECT_PLL_SOURCE_ALL;
 502       state->pllsel &= ~NV_RAMDAC_PLL_SELECT_VCLK_RATIO_DB2;
 503     }
 504
 505
 506     regp->CRTC[NV_VGA_CRTCX_FIFO0] = state->arbitration0;
 507     regp->CRTC[NV_VGA_CRTCX_FIFO_LWM] = state->arbitration1 & 0xff;
 508     if (pNv->Architecture >= NV_ARCH_30) {
 509       regp->CRTC[NV_VGA_CRTCX_FIFO_LWM_NV30] = state->arbitration1 >> 8;
 510     }
 511
 512
 513     regp->CRTC[NV_VGA_CRTCX_REPAINT0] = (((width / 8) * pixelDepth) & 0x700) >> 3;
 514     regp->CRTC[NV_VGA_CRTCX_PIXEL] = (pixelDepth > 2) ? 3 : pixelDepth;
 515 }
 516
 517
 518 static void
 519 nv_crtc_dpms(xf86CrtcPtr crtc, int mode)
 520 {
 521      NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
 522      unsigned char seq1 = 0, crtc17 = 0;
 523      unsigned char crtc1A;
 524      int ret;
 525      Bool crtc_is_on = FALSE;
 526
 527      NVCrtcSetOwner(crtc);
 528
 529      crtc1A = NVReadVgaCrtc(crtc, NV_VGA_CRTCX_REPAINT1) & ~0xC0;
 530      switch(mode) {
 531      case DPMSModeStandby:
 532        /* Screen: Off; HSync: Off, VSync: On -- Not Supported */
 533        seq1 = 0x20;
 534        crtc17 = 0x80;
 535        crtc1A |= 0x80;
 536        break;
 537      case DPMSModeSuspend:
 538        /* Screen: Off; HSync: On, VSync: Off -- Not Supported */
 539        seq1 = 0x20;
 540        crtc17 = 0x80;
 541        crtc1A |= 0x40;
 542        break;
 543      case DPMSModeOff:
 544        /* Screen: Off; HSync: Off, VSync: Off */
 545        seq1 = 0x20;
 546        crtc17 = 0x00;
 547        crtc1A |= 0xC0;
 548        break;
 549      case DPMSModeOn:
 550      default:
 551        /* Screen: On; HSync: On, VSync: On */
 552        seq1 = 0x00;
 553        crtc17 = 0x80;
 554        crtc_is_on = TRUE;
 555        break;
 556      }
 557
 558      NVWriteVgaSeq(crtc, 0x00, 0x1);
 559      seq1 = NVReadVgaSeq(crtc, 0x01) & ~0x20;
 560      NVWriteVgaSeq(crtc, 0x1, seq1);
 561      crtc17 |= NVReadVgaCrtc(crtc, NV_VGA_CRTCX_MODECTL) & ~0x80;
 562      usleep(10000);
 563      NVWriteVgaCrtc(crtc, NV_VGA_CRTCX_MODECTL, crtc17);
 564      NVWriteVgaSeq(crtc, 0x0, 0x3);
 565
 566      NVWriteVgaCrtc(crtc, NV_VGA_CRTCX_REPAINT1, crtc1A);
 567
 568         /* This is usefull for Xv NVWaitVSync() */
 569         nv_crtc->pNv->crtc_active[nv_crtc->crtc] = crtc_is_on;
 570 }
 571
 572 static Bool
 573 nv_crtc_mode_fixup(xf86CrtcPtr crtc, DisplayModePtr mode,
 574                      DisplayModePtr adjusted_mode)
 575 {
 576     return TRUE;
 577 }
 578
 579 static void
 580 nv_crtc_mode_set_vga(xf86CrtcPtr crtc, DisplayModePtr mode)
 581 {
 582     ScrnInfoPtr pScrn = crtc->scrn;
 583    NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
 584    NVCrtcRegPtr regp;
 585    NVPtr pNv = NVPTR(pScrn);
 586    int depth = pScrn->depth;
 587    unsigned int i;
 588
 589    regp = &pNv->ModeReg.crtc_reg[nv_crtc->crtc];
 590
 591
 592    /*
 593     * compute correct Hsync & Vsync polarity
 594     */
 595    if ((mode->Flags & (V_PHSYNC | V_NHSYNC))
 596        && (mode->Flags & (V_PVSYNC | V_NVSYNC)))
 597    {
 598        regp->MiscOutReg = 0x23;
 599        if (mode->Flags & V_NHSYNC) regp->MiscOutReg |= 0x40;
 600        if (mode->Flags & V_NVSYNC) regp->MiscOutReg |= 0x80;
 601    }
 602    else
 603    {
 604        int VDisplay = mode->VDisplay;
 605        if (mode->Flags & V_DBLSCAN)
 606            VDisplay *= 2;
 607        if (mode->VScan > 1)
 608            VDisplay *= mode->VScan;
 609        if      (VDisplay < 400)
 610            regp->MiscOutReg = 0xA3;             /* +hsync -vsync */
 611        else if (VDisplay < 480)
 612            regp->MiscOutReg = 0x63;             /* -hsync +vsync */
 613        else if (VDisplay < 768)
 614            regp->MiscOutReg = 0xE3;             /* -hsync -vsync */
 615        else
 616            regp->MiscOutReg = 0x23;             /* +hsync +vsync */
 617    }
 618
 619    regp->MiscOutReg |= (mode->ClockIndex & 0x03) << 2;
 620
 621    /*
 622     * Time Sequencer
 623     */
 624     if (depth == 4)
 625         regp->Sequencer[0] = 0x02;
 626     else
 627         regp->Sequencer[0] = 0x00;
 628     if (mode->Flags & V_CLKDIV2)
 629         regp->Sequencer[1] = 0x09;
 630     else
 631         regp->Sequencer[1] = 0x01;
 632     if (depth == 1)
 633         regp->Sequencer[2] = 1 << BIT_PLANE;
 634     else
 635         regp->Sequencer[2] = 0x0F;
 636     regp->Sequencer[3] = 0x00;                             /* Font select */
 637     if (depth < 8)
 638         regp->Sequencer[4] = 0x06;                             /* Misc */
 639     else
 640         regp->Sequencer[4] = 0x0E;                             /* Misc */
 641
 642     /*
 643      * CRTC Controller
 644      */
 645     regp->CRTC[0]  = (mode->CrtcHTotal >> 3) - 5;
 646     regp->CRTC[1]  = (mode->CrtcHDisplay >> 3) - 1;
 647     regp->CRTC[2]  = (mode->CrtcHBlankStart >> 3) - 1;
 648     regp->CRTC[3]  = (((mode->CrtcHBlankEnd >> 3) - 1) & 0x1F) | 0x80;
 649     i = (((mode->CrtcHSkew << 2) + 0x10) & ~0x1F);
 650     if (i < 0x80)
 651         regp->CRTC[3] |= i;
 652     regp->CRTC[4]  = (mode->CrtcHSyncStart >> 3);
 653     regp->CRTC[5]  = ((((mode->CrtcHBlankEnd >> 3) - 1) & 0x20) << 2)
 654         | (((mode->CrtcHSyncEnd >> 3)) & 0x1F);
 655     regp->CRTC[6]  = (mode->CrtcVTotal - 2) & 0xFF;
 656     regp->CRTC[7]  = (((mode->CrtcVTotal - 2) & 0x100) >> 8)
 657         | (((mode->CrtcVDisplay - 1) & 0x100) >> 7)
 658         | ((mode->CrtcVSyncStart & 0x100) >> 6)
 659         | (((mode->CrtcVBlankStart - 1) & 0x100) >> 5)
 660         | 0x10
 661         | (((mode->CrtcVTotal - 2) & 0x200)   >> 4)
 662         | (((mode->CrtcVDisplay - 1) & 0x200) >> 3)
 663         | ((mode->CrtcVSyncStart & 0x200) >> 2);
 664     regp->CRTC[8]  = 0x00;
 665     regp->CRTC[9]  = (((mode->CrtcVBlankStart - 1) & 0x200) >> 4) | 0x40;
 666     if (mode->Flags & V_DBLSCAN)
 667         regp->CRTC[9] |= 0x80;
 668     if (mode->VScan >= 32)
 669         regp->CRTC[9] |= 0x1F;
 670     else if (mode->VScan > 1)
 671         regp->CRTC[9] |= mode->VScan - 1;
 672     regp->CRTC[10] = 0x00;
 673     regp->CRTC[11] = 0x00;
 674     regp->CRTC[12] = 0x00;
 675     regp->CRTC[13] = 0x00;
 676     regp->CRTC[14] = 0x00;
 677     regp->CRTC[15] = 0x00;
 678     regp->CRTC[16] = mode->CrtcVSyncStart & 0xFF;
 679     regp->CRTC[17] = (mode->CrtcVSyncEnd & 0x0F) | 0x20;
 680     regp->CRTC[18] = (mode->CrtcVDisplay - 1) & 0xFF;
 681     regp->CRTC[19] = mode->CrtcHDisplay >> 4;  /* just a guess */
 682     regp->CRTC[20] = 0x00;
 683     regp->CRTC[21] = (mode->CrtcVBlankStart - 1) & 0xFF;
 684     regp->CRTC[22] = (mode->CrtcVBlankEnd - 1) & 0xFF;
 685     if (depth < 8)
 686         regp->CRTC[23] = 0xE3;
 687     else
 688         regp->CRTC[23] = 0xC3;
 689     regp->CRTC[24] = 0xFF;
 690
 691     /*
 692      * Theory resumes here....
 693      */
 694
 695     /*
 696      * Graphics Display Controller
 697      */
 698     regp->Graphics[0] = 0x00;
 699     regp->Graphics[1] = 0x00;
 700     regp->Graphics[2] = 0x00;
 701     regp->Graphics[3] = 0x00;
 702     if (depth == 1) {
 703         regp->Graphics[4] = BIT_PLANE;
 704         regp->Graphics[5] = 0x00;
 705     } else {
 706         regp->Graphics[4] = 0x00;
 707         if (depth == 4)
 708             regp->Graphics[5] = 0x02;
 709         else
 710             regp->Graphics[5] = 0x40;
 711     }
 712     regp->Graphics[6] = 0x05;   /* only map 64k VGA memory !!!! */
 713     regp->Graphics[7] = 0x0F;
 714     regp->Graphics[8] = 0xFF;
 715
 716     if (depth == 1) {
 717         /* Initialise the Mono map according to which bit-plane gets used */
 718
 719         Bool flipPixels = xf86GetFlipPixels();
 720
 721         for (i=0; i<16; i++)
 722             if (((i & (1 << BIT_PLANE)) != 0) != flipPixels)
 723                 regp->Attribute[i] = WHITE_VALUE;
 724             else
 725                 regp->Attribute[i] = BLACK_VALUE;
 726
 727     } else {
 728         regp->Attribute[0]  = 0x00; /* standard colormap translation */
 729         regp->Attribute[1]  = 0x01;
 730         regp->Attribute[2]  = 0x02;
 731         regp->Attribute[3]  = 0x03;
 732         regp->Attribute[4]  = 0x04;
 733         regp->Attribute[5]  = 0x05;
 734         regp->Attribute[6]  = 0x06;
 735         regp->Attribute[7]  = 0x07;
 736         regp->Attribute[8]  = 0x08;
 737         regp->Attribute[9]  = 0x09;
 738         regp->Attribute[10] = 0x0A;
 739         regp->Attribute[11] = 0x0B;
 740         regp->Attribute[12] = 0x0C;
 741         regp->Attribute[13] = 0x0D;
 742         regp->Attribute[14] = 0x0E;
 743         regp->Attribute[15] = 0x0F;
 744         if (depth == 4)
 745             regp->Attribute[16] = 0x81; /* wrong for the ET4000 */
 746         else
 747             regp->Attribute[16] = 0x41; /* wrong for the ET4000 */
 748         if (depth > 4)
 749           regp->Attribute[17] = 0xff;
 750         /* Attribute[17] (overscan) initialised in vgaHWGetHWRec() */
 751     }
 752     regp->Attribute[18] = 0x0F;
 753     regp->Attribute[19] = 0x00;
 754     regp->Attribute[20] = 0x00;
 755
 756 }
 757
 758 /* This should accomodate up to 65535x65535 */
 759 #define NOUVEAU_RES(_h_res, _v_res) ((_h_res << 16) | _v_res)
 760
 761 /* These are timing modes for DFP's */
 762 /* These are not neccesarily correct, just our best guess */
 763 struct timing_modes {
 764         uint32_t res;
 765         uint8_t htiming;
 766         uint8_t vtiming;
 767 } known_modes[] = {
 768         {NOUVEAU_RES(1024, 768), 0x40, 0x00},
 769         {NOUVEAU_RES(1280, 1024), 0x0a, 0x02},
 770         {NOUVEAU_RES(1680, 1050), 0x00, 0x00},
 771         {NOUVEAU_RES(2560, 1600), 0x00, 0x00},
 772         {0, 0, 0}
 773 };
 774
 775
 776 /**
 777  * Sets up registers for the given mode/adjusted_mode pair.
 778  *
 779  * The clocks, CRTCs and outputs attached to this CRTC must be off.
 780  *
 781  * This shouldn't enable any clocks, CRTCs, or outputs, but they should
 782  * be easily turned on/off after this.
 783  */
 784 static void
 785 nv_crtc_mode_set_regs(xf86CrtcPtr crtc, DisplayModePtr mode)
 786 {
 787         ScrnInfoPtr pScrn = crtc->scrn;
 788         NVPtr pNv = NVPTR(pScrn);
 789         NVRegPtr state = &pNv->ModeReg;
 790         xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
 791         NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
 792         NVFBLayout *pLayout = &pNv->CurrentLayout;
 793         NVCrtcRegPtr regp, savep;
 794         unsigned int i;
 795         int horizDisplay    = (mode->CrtcHDisplay/8)   - 1;
 796         int horizStart      = (mode->CrtcHSyncStart/8) - 1;
 797         int horizEnd        = (mode->CrtcHSyncEnd/8)   - 1;
 798         int horizTotal      = (mode->CrtcHTotal/8)     - 5;
 799         int horizBlankStart = (mode->CrtcHDisplay/8)   - 1;
 800         int horizBlankEnd   = (mode->CrtcHTotal/8)     - 1;
 801         int vertDisplay     =  mode->CrtcVDisplay      - 1;
 802         int vertStart       =  mode->CrtcVSyncStart    - 1;
 803         int vertEnd         =  mode->CrtcVSyncEnd      - 1;
 804         int vertTotal       =  mode->CrtcVTotal        - 2;
 805         int vertBlankStart  =  mode->CrtcVDisplay      - 1;
 806         int vertBlankEnd    =  mode->CrtcVTotal        - 1;
 807         /* What about vsync and hsync? */
 808         Bool is_fp = FALSE;
 809
 810         for (i = 0; i < xf86_config->num_output; i++) {
 811                 xf86OutputPtr  output = xf86_config->output[i];
 812                 NVOutputPrivatePtr nv_output = output->driver_private;
 813
 814                 if (output->crtc == crtc) {
 815                         if ((nv_output->type == OUTPUT_PANEL) ||
 816                                 (nv_output->type == OUTPUT_DIGITAL)) {
 817
 818                                 is_fp = TRUE;
 819                         }
 820                 }
 821         }
 822
 823         regp = &pNv->ModeReg.crtc_reg[nv_crtc->crtc];
 824         savep = &pNv->SavedReg.crtc_reg[nv_crtc->crtc];
 825
 826         if(mode->Flags & V_INTERLACE)
 827                 vertTotal |= 1;
 828
 829         regp->CRTC[NV_VGA_CRTCX_HTOTAL]  = Set8Bits(horizTotal);
 830         regp->CRTC[NV_VGA_CRTCX_HDISPE]  = Set8Bits(horizDisplay);
 831         regp->CRTC[NV_VGA_CRTCX_HBLANKS]  = Set8Bits(horizBlankStart);
 832         regp->CRTC[NV_VGA_CRTCX_HBLANKE]  = SetBitField(horizBlankEnd,4:0,4:0)
 833                                 | SetBit(7);
 834         regp->CRTC[NV_VGA_CRTCX_HSYNCS]  = Set8Bits(horizStart);
 835         regp->CRTC[NV_VGA_CRTCX_HSYNCE]  = SetBitField(horizBlankEnd,5:5,7:7)
 836                                 | SetBitField(horizEnd,4:0,4:0);
 837         regp->CRTC[NV_VGA_CRTCX_VTOTAL]  = SetBitField(vertTotal,7:0,7:0);
 838         regp->CRTC[NV_VGA_CRTCX_OVERFLOW]  = SetBitField(vertTotal,8:8,0:0)
 839                                 | SetBitField(vertDisplay,8:8,1:1)
 840                                 | SetBitField(vertStart,8:8,2:2)
 841                                 | SetBitField(vertBlankStart,8:8,3:3)
 842                                 | SetBit(4)
 843                                 | SetBitField(vertTotal,9:9,5:5)
 844                                 | SetBitField(vertDisplay,9:9,6:6)
 845                                 | SetBitField(vertStart,9:9,7:7);
 846         regp->CRTC[NV_VGA_CRTCX_MAXSCLIN]  = SetBitField(vertBlankStart,9:9,5:5)
 847                                 | SetBit(6)
 848                                 | ((mode->Flags & V_DBLSCAN) ? 0x80 : 0x00);
 849         regp->CRTC[NV_VGA_CRTCX_VSYNCS] = Set8Bits(vertStart);
 850         regp->CRTC[NV_VGA_CRTCX_VSYNCE] = SetBitField(vertEnd,3:0,3:0) | SetBit(5);
 851         regp->CRTC[NV_VGA_CRTCX_VDISPE] = Set8Bits(vertDisplay);
 852         regp->CRTC[NV_VGA_CRTCX_PITCHL] = ((pLayout->displayWidth/8)*(pLayout->bitsPerPixel/8));
 853         regp->CRTC[NV_VGA_CRTCX_VBLANKS] = Set8Bits(vertBlankStart);
 854         regp->CRTC[NV_VGA_CRTCX_VBLANKE] = Set8Bits(vertBlankEnd);
 855
 856         regp->Attribute[0x10] = 0x01;
 857
 858         if(pNv->Television)
 859                 regp->Attribute[0x11] = 0x00;
 860
 861         regp->CRTC[NV_VGA_CRTCX_LSR] = SetBitField(horizBlankEnd,6:6,4:4)
 862                                 | SetBitField(vertBlankStart,10:10,3:3)
 863                                 | SetBitField(vertStart,10:10,2:2)
 864                                 | SetBitField(vertDisplay,10:10,1:1)
 865                                 | SetBitField(vertTotal,10:10,0:0);
 866
 867         regp->CRTC[NV_VGA_CRTCX_HEB] = SetBitField(horizTotal,8:8,0:0)
 868                                 | SetBitField(horizDisplay,8:8,1:1)
 869                                 | SetBitField(horizBlankStart,8:8,2:2)
 870                                 | SetBitField(horizStart,8:8,3:3);
 871
 872         regp->CRTC[NV_VGA_CRTCX_EXTRA] = SetBitField(vertTotal,11:11,0:0)
 873                                 | SetBitField(vertDisplay,11:11,2:2)
 874                                 | SetBitField(vertStart,11:11,4:4)
 875                                 | SetBitField(vertBlankStart,11:11,6:6);
 876
 877         if(mode->Flags & V_INTERLACE) {
 878                 horizTotal = (horizTotal >> 1) & ~1;
 879                 regp->CRTC[NV_VGA_CRTCX_INTERLACE] = Set8Bits(horizTotal);
 880                 regp->CRTC[NV_VGA_CRTCX_HEB] |= SetBitField(horizTotal,8:8,4:4);
 881         } else {
 882                 regp->CRTC[NV_VGA_CRTCX_INTERLACE] = 0xff;  /* interlace off */
 883         }
 884
 885         regp->CRTC[NV_VGA_CRTCX_BUFFER] = 0xfa;
 886
 887         if (is_fp) {
 888                 regp->CRTC[NV_VGA_CRTCX_LCD] = savep->CRTC[NV_VGA_CRTCX_LCD] | 1;
 889                 /* this turns on the DFP on nv28 outputs */
 890                 regp->CRTC[NV_VGA_CRTCX_59] = savep->CRTC[NV_VGA_CRTCX_59] | 1;
 891         } else {
 892                 regp->CRTC[NV_VGA_CRTCX_LCD] = savep->CRTC[NV_VGA_CRTCX_LCD] & ~1;
 893         }
 894
 895         /*
 896         * Initialize DAC palette.
 897         */
 898         if(pLayout->bitsPerPixel != 8 ) {
 899                 for (i = 0; i < 256; i++) {
 900                         regp->DAC[i*3]     = i;
 901                         regp->DAC[(i*3)+1] = i;
 902                         regp->DAC[(i*3)+2] = i;
 903                 }
 904         }
 905
 906         /*
 907         * Calculate the extended registers.
 908         */
 909
 910         if(pLayout->depth < 24) {
 911                 i = pLayout->depth;
 912         } else {
 913                 i = 32;
 914         }
 915
 916         if(pNv->Architecture >= NV_ARCH_10) {
 917                 pNv->CURSOR = (CARD32 *)pNv->Cursor->map;
 918         }
 919
 920         ErrorF("crtc %d %d %d\n", nv_crtc->crtc, mode->CrtcHDisplay, pLayout->displayWidth);
 921         nv_crtc_calc_state_ext(crtc,
 922                                 i,
 923                                 pLayout->displayWidth,
 924                                 mode->CrtcHDisplay,
 925                                 mode->CrtcVDisplay,
 926                                 mode->Clock,
 927                                 mode->Flags);
 928
 929         if (is_fp) {
 930                 regp->CRTC[NV_VGA_CRTCX_PIXEL] |= (1 << 7);
 931         }
 932
 933         regp->CRTC[NV_VGA_CRTCX_FIFO1] = savep->CRTC[NV_VGA_CRTCX_FIFO1] & ~(1<<5);
 934
 935         if(nv_crtc->crtc) {
 936                 if (is_fp) {
 937                         regp->head &= ~NV_CRTC_FSEL_FPP2;
 938                         regp->head |= NV_CRTC_FSEL_FPP1;
 939                 } else {
 940                         regp->head &= ~NV_CRTC_FSEL_FPP1;
 941                         regp->head |= NV_CRTC_FSEL_FPP2;
 942                 }
 943
 944                 regp->crtcOwner = 3;
 945         /* only enable secondary pllsel if CRTC 1 is selected on */
 946         } else {
 947                 /* Maybe use pNv->crtc_active[1], or is it too early for that? */
 948                 if(pNv->twoHeads) {
 949                         regp->head  =  savep->head | 0x00001000;
 950                         if (is_fp) {
 951                                 regp->head &= ~NV_CRTC_FSEL_FPP2;
 952                                 regp->head |= NV_CRTC_FSEL_FPP1;
 953                         } else {
 954                                 regp->head &= ~NV_CRTC_FSEL_FPP1;
 955                                 regp->head |= NV_CRTC_FSEL_FPP2;
 956                         }
 957
 958                         regp->crtcOwner = 0;
 959                 }
 960         }
 961
 962         regp->cursorConfig = 0x00000100;
 963         if(mode->Flags & V_DBLSCAN)
 964                 regp->cursorConfig |= (1 << 4);
 965         if(pNv->alphaCursor) {
 966                 if((pNv->Chipset & 0x0ff0) != CHIPSET_NV11) {
 967                         regp->cursorConfig |= 0x04011000;
 968                 } else {
 969                         regp->cursorConfig |= 0x14011000;
 970                 }
 971         } else {
 972                 regp->cursorConfig |= 0x02000000;
 973         }
 974
 975         regp->CRTC[NV_VGA_CRTCX_FP_HTIMING] = 0;
 976         regp->CRTC[NV_VGA_CRTCX_FP_VTIMING] = 0;
 977
 978         regp->unk830 = mode->CrtcVDisplay - 3;
 979         regp->unk834 = mode->CrtcVDisplay - 1;
 980 }
 981
 982 /**
 983  * Sets up registers for the given mode/adjusted_mode pair.
 984  *
 985  * The clocks, CRTCs and outputs attached to this CRTC must be off.
 986  *
 987  * This shouldn't enable any clocks, CRTCs, or outputs, but they should
 988  * be easily turned on/off after this.
 989  */
 990 static void
 991 nv_crtc_mode_set(xf86CrtcPtr crtc, DisplayModePtr mode,
 992                  DisplayModePtr adjusted_mode,
 993                  int x, int y)
 994 {
 995     ScrnInfoPtr pScrn = crtc->scrn;
 996     NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
 997     NVPtr pNv = NVPTR(pScrn);
 998
 999     xf86DrvMsg(pScrn->scrnIndex, X_WARNING, "Mode on CRTC %d\n", nv_crtc->crtc);
1000     xf86PrintModeline(pScrn->scrnIndex, mode);
1001     NVCrtcSetOwner(crtc);
1002
1003     nv_crtc_mode_set_vga(crtc, mode);
1004     nv_crtc_mode_set_regs(crtc, mode);
1005
1006
1007     NVVgaProtect(crtc, TRUE);
1008     nv_crtc_load_state_ext(crtc, &pNv->ModeReg);
1009     nv_crtc_load_state_vga(crtc, &pNv->ModeReg);
1010     nv_crtc_load_state_pll(pNv, &pNv->ModeReg);
1011
1012     NVVgaProtect(crtc, FALSE);
1013     //    NVCrtcLockUnlock(crtc, 1);
1014
1015     NVCrtcSetBase(crtc, x, y);
1016 #if X_BYTE_ORDER == X_BIG_ENDIAN
1017     /* turn on LFB swapping */
1018     {
1019         unsigned char tmp;
1020
1021         tmp = NVReadVgaCrtc(crtc, NV_VGA_CRTCX_SWAPPING);
1022         tmp |= (1 << 7);
1023         NVWriteVgaCrtc(crtc, NV_VGA_CRTCX_SWAPPING, tmp);
1024     }
1025 #endif
1026
1027 }
1028
1029 void nv_crtc_save(xf86CrtcPtr crtc)
1030 {
1031     ScrnInfoPtr pScrn = crtc->scrn;
1032     NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
1033     NVPtr pNv = NVPTR(pScrn);
1034
1035     NVCrtcSetOwner(crtc);
1036     nv_crtc_save_state_pll(pNv, &pNv->SavedReg);
1037     nv_crtc_save_state_vga(crtc, &pNv->SavedReg);
1038     nv_crtc_save_state_ext(crtc, &pNv->SavedReg);
1039
1040 }
1041
1042 void nv_crtc_restore(xf86CrtcPtr crtc)
1043 {
1044     ScrnInfoPtr pScrn = crtc->scrn;
1045     NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
1046     NVPtr pNv = NVPTR(pScrn);
1047
1048     NVCrtcSetOwner(crtc);
1049     nv_crtc_load_state_ext(crtc, &pNv->SavedReg);
1050     nv_crtc_load_state_vga(crtc, &pNv->SavedReg);
1051     nv_crtc_load_state_pll(pNv, &pNv->SavedReg);
1052     nvWriteVGA(pNv, NV_VGA_CRTCX_OWNER, pNv->vtOWNER);
1053
1054 }
1055
1056 void nv_crtc_prepare(xf86CrtcPtr crtc)
1057 {
1058     ScrnInfoPtr pScrn = crtc->scrn;
1059     NVPtr pNv = NVPTR(pScrn);
1060
1061     /* Sync the engine before adjust mode */
1062     if (pNv->EXADriverPtr) {
1063         exaMarkSync(pScrn->pScreen);
1064         exaWaitSync(pScrn->pScreen);
1065     }
1066 }
1067
1068 void nv_crtc_commit(xf86CrtcPtr crtc)
1069 {
1070
1071
1072 }
1073
1074 static Bool nv_crtc_lock(xf86CrtcPtr crtc)
1075 {
1076         return FALSE;
1077 }
1078
1079 static void nv_crtc_unlock(xf86CrtcPtr crtc)
1080 {
1081
1082 }
1083
1084 static const xf86CrtcFuncsRec nv_crtc_funcs = {
1085     .dpms = nv_crtc_dpms,
1086     .save = nv_crtc_save, /* XXX */
1087     .restore = nv_crtc_restore, /* XXX */
1088     .mode_fixup = nv_crtc_mode_fixup,
1089     .mode_set = nv_crtc_mode_set,
1090     .prepare = nv_crtc_prepare,
1091     .commit = nv_crtc_commit,
1092     .destroy = NULL, /* XXX */
1093     .lock = nv_crtc_lock,
1094     .unlock = nv_crtc_unlock,
1095 };
1096
1097 void
1098 nv_crtc_init(ScrnInfoPtr pScrn, int crtc_num)
1099 {
1100     NVPtr pNv = NVPTR(pScrn);
1101     xf86CrtcPtr crtc;
1102     NVCrtcPrivatePtr nv_crtc;
1103
1104     crtc = xf86CrtcCreate (pScrn, &nv_crtc_funcs);
1105     if (crtc == NULL)
1106         return;
1107
1108     nv_crtc = xnfcalloc (sizeof (NVCrtcPrivateRec), 1);
1109     nv_crtc->crtc = crtc_num;
1110     /* This is usefull to do stuff from crtc functions */
1111     nv_crtc->pNv = pNv;
1112
1113     crtc->driver_private = nv_crtc;
1114
1115     NVCrtcLockUnlock(crtc, 0);
1116
1117 }
1118
1119 static void nv_crtc_load_state_vga(xf86CrtcPtr crtc, RIVA_HW_STATE *state)
1120 {
1121     ScrnInfoPtr pScrn = crtc->scrn;
1122     NVPtr pNv = NVPTR(pScrn);
1123     NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
1124     int i, j;
1125     CARD32 temp;
1126     NVCrtcRegPtr regp;
1127
1128     regp = &state->crtc_reg[nv_crtc->crtc];
1129
1130     NVWriteMiscOut(crtc, regp->MiscOutReg);
1131
1132     for (i = 1; i < 5; i++)
1133       NVWriteVgaSeq(crtc, i, regp->Sequencer[i]);
1134
1135     /* Ensure CRTC registers 0-7 are unlocked by clearing bit 7 of CRTC[17] */
1136     NVWriteVgaCrtc(crtc, 17, regp->CRTC[17] & ~0x80);
1137
1138     for (i = 0; i < 25; i++)
1139       NVWriteVgaCrtc(crtc, i, regp->CRTC[i]);
1140
1141     for (i = 0; i < 9; i++)
1142       NVWriteVgaGr(crtc, i, regp->Graphics[i]);
1143
1144     NVEnablePalette(crtc);
1145     for (i = 0; i < 21; i++)
1146       NVWriteVgaAttr(crtc, i, regp->Attribute[i]);
1147     NVDisablePalette(crtc);
1148
1149 }
1150
1151 static void nv_crtc_fix_nv40_hw_cursor(xf86CrtcPtr crtc)
1152 {
1153   /* TODO - implement this properly */
1154   ScrnInfoPtr pScrn = crtc->scrn;
1155   NVPtr pNv = NVPTR(pScrn);
1156
1157   if(pNv->Architecture == NV_ARCH_40) {  /* HW bug */
1158     volatile CARD32 curpos = nvReadCurRAMDAC(pNv, NV_RAMDAC_CURSOR_POS);
1159     nvWriteCurRAMDAC(pNv, NV_RAMDAC_CURSOR_POS, curpos);
1160   }
1161
1162 }
1163 static void nv_crtc_load_state_ext(xf86CrtcPtr crtc, RIVA_HW_STATE *state)
1164 {
1165     ScrnInfoPtr pScrn = crtc->scrn;
1166     NVPtr pNv = NVPTR(pScrn);
1167     NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
1168     int i, j;
1169     CARD32 temp;
1170     NVCrtcRegPtr regp;
1171
1172     regp = &state->crtc_reg[nv_crtc->crtc];
1173
1174     if(pNv->Architecture >= NV_ARCH_10) {
1175         if(pNv->twoHeads) {
1176            nvWriteCRTC(pNv, nv_crtc->crtc, NV_CRTC_FSEL, regp->head);
1177         }
1178         nvWriteVIDEO(pNv, NV_PVIDEO_STOP, 1);
1179         nvWriteVIDEO(pNv, NV_PVIDEO_INTR_EN, 0);
1180         nvWriteVIDEO(pNv, NV_PVIDEO_OFFSET_BUFF(0), 0);
1181         nvWriteVIDEO(pNv, NV_PVIDEO_OFFSET_BUFF(1), 0);
1182         nvWriteVIDEO(pNv, NV_PVIDEO_LIMIT(0), pNv->VRAMPhysicalSize - 1);
1183         nvWriteVIDEO(pNv, NV_PVIDEO_LIMIT(1), pNv->VRAMPhysicalSize - 1);
1184         nvWriteMC(pNv, 0x1588, 0);
1185
1186         NVWriteVgaCrtc(crtc, NV_VGA_CRTCX_BUFFER, 0xff);
1187         NVWriteVgaCrtc(crtc, NV_VGA_CRTCX_BUFFER, regp->CRTC[NV_VGA_CRTCX_BUFFER]);
1188         nvWriteCRTC(pNv, nv_crtc->crtc, NV_CRTC_CURSOR_CONFIG, regp->cursorConfig);
1189         nvWriteCRTC(pNv, nv_crtc->crtc, NV_CRTC_0830, regp->unk830);
1190         nvWriteCRTC(pNv, nv_crtc->crtc, NV_CRTC_0834, regp->unk834);
1191
1192         NVWriteVgaCrtc(crtc, NV_VGA_CRTCX_FP_HTIMING, regp->CRTC[NV_VGA_CRTCX_FP_HTIMING]);
1193         NVWriteVgaCrtc(crtc, NV_VGA_CRTCX_FP_VTIMING, regp->CRTC[NV_VGA_CRTCX_FP_VTIMING]);
1194
1195         NVWriteVgaCrtc(crtc, NV_VGA_CRTCX_59, regp->CRTC[NV_VGA_CRTCX_59]);
1196         NVWriteVgaCrtc(crtc, NV_VGA_CRTCX_EXTRA, regp->CRTC[NV_VGA_CRTCX_EXTRA]);
1197     }
1198
1199     NVWriteVgaCrtc(crtc, NV_VGA_CRTCX_REPAINT0, regp->CRTC[NV_VGA_CRTCX_REPAINT0]);
1200     NVWriteVgaCrtc(crtc, NV_VGA_CRTCX_REPAINT1, regp->CRTC[NV_VGA_CRTCX_REPAINT1]);
1201     NVWriteVgaCrtc(crtc, NV_VGA_CRTCX_LSR, regp->CRTC[NV_VGA_CRTCX_LSR]);
1202     NVWriteVgaCrtc(crtc, NV_VGA_CRTCX_PIXEL, regp->CRTC[NV_VGA_CRTCX_PIXEL]);
1203     NVWriteVgaCrtc(crtc, NV_VGA_CRTCX_LCD, regp->CRTC[NV_VGA_CRTCX_LCD]);
1204     NVWriteVgaCrtc(crtc, NV_VGA_CRTCX_HEB, regp->CRTC[NV_VGA_CRTCX_HEB]);
1205     NVWriteVgaCrtc(crtc, NV_VGA_CRTCX_FIFO1, regp->CRTC[NV_VGA_CRTCX_FIFO1]);
1206     NVWriteVgaCrtc(crtc, NV_VGA_CRTCX_FIFO0, regp->CRTC[NV_VGA_CRTCX_FIFO0]);
1207     NVWriteVgaCrtc(crtc, NV_VGA_CRTCX_FIFO_LWM, regp->CRTC[NV_VGA_CRTCX_FIFO_LWM]);
1208     if(pNv->Architecture >= NV_ARCH_30) {
1209       NVWriteVgaCrtc(crtc, NV_VGA_CRTCX_FIFO_LWM_NV30, regp->CRTC[NV_VGA_CRTCX_FIFO_LWM_NV30]);
1210     }
1211
1212     NVWriteVgaCrtc(crtc, NV_VGA_CRTCX_CURCTL0, regp->CRTC[NV_VGA_CRTCX_CURCTL0]);
1213     NVWriteVgaCrtc(crtc, NV_VGA_CRTCX_CURCTL1, regp->CRTC[NV_VGA_CRTCX_CURCTL1]);
1214     nv_crtc_fix_nv40_hw_cursor(crtc);
1215     NVWriteVgaCrtc(crtc, NV_VGA_CRTCX_CURCTL2, regp->CRTC[NV_VGA_CRTCX_CURCTL2]);
1216     NVWriteVgaCrtc(crtc, NV_VGA_CRTCX_INTERLACE, regp->CRTC[NV_VGA_CRTCX_INTERLACE]);
1217
1218     nvWriteCRTC(pNv, nv_crtc->crtc, NV_CRTC_INTR_EN_0, 0);
1219     nvWriteCRTC(pNv, nv_crtc->crtc, NV_CRTC_INTR_0, NV_CRTC_INTR_VBLANK);
1220
1221     pNv->CurrentState = state;
1222 }
1223
1224 static void nv_crtc_save_state_vga(xf86CrtcPtr crtc, RIVA_HW_STATE *state)
1225 {
1226     ScrnInfoPtr pScrn = crtc->scrn;
1227     NVPtr pNv = NVPTR(pScrn);
1228     NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
1229     int i;
1230     NVCrtcRegPtr regp;
1231
1232     regp = &state->crtc_reg[nv_crtc->crtc];
1233
1234     regp->MiscOutReg = NVReadMiscOut(crtc);
1235
1236     for (i = 0; i < 25; i++)
1237         regp->CRTC[i] = NVReadVgaCrtc(crtc, i);
1238
1239     NVEnablePalette(crtc);
1240     for (i = 0; i < 21; i++)
1241         regp->Attribute[i] = NVReadVgaAttr(crtc, i);
1242     NVDisablePalette(crtc);
1243
1244     for (i = 0; i < 9; i++)
1245         regp->Graphics[i] = NVReadVgaGr(crtc, i);
1246
1247     for (i = 1; i < 5; i++)
1248         regp->Sequencer[i] = NVReadVgaSeq(crtc, i);
1249
1250 }
1251
1252 static void nv_crtc_save_state_ext(xf86CrtcPtr crtc, RIVA_HW_STATE *state)
1253 {
1254     ScrnInfoPtr pScrn = crtc->scrn;
1255     NVPtr pNv = NVPTR(pScrn);
1256     NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
1257     NVCrtcRegPtr regp;
1258     int i;
1259
1260     regp = &state->crtc_reg[nv_crtc->crtc];
1261
1262     regp->CRTC[NV_VGA_CRTCX_59] = NVReadVgaCrtc(crtc, NV_VGA_CRTCX_59);
1263     regp->CRTC[NV_VGA_CRTCX_LCD] = NVReadVgaCrtc(crtc, NV_VGA_CRTCX_LCD);
1264     regp->CRTC[NV_VGA_CRTCX_REPAINT0] = NVReadVgaCrtc(crtc, NV_VGA_CRTCX_REPAINT0);
1265     regp->CRTC[NV_VGA_CRTCX_REPAINT1] = NVReadVgaCrtc(crtc, NV_VGA_CRTCX_REPAINT1);
1266     regp->CRTC[NV_VGA_CRTCX_LSR] = NVReadVgaCrtc(crtc, NV_VGA_CRTCX_LSR);
1267     regp->CRTC[NV_VGA_CRTCX_PIXEL] = NVReadVgaCrtc(crtc, NV_VGA_CRTCX_PIXEL);
1268     regp->CRTC[NV_VGA_CRTCX_HEB] = NVReadVgaCrtc(crtc, NV_VGA_CRTCX_HEB);
1269     regp->CRTC[NV_VGA_CRTCX_FIFO1] = NVReadVgaCrtc(crtc, NV_VGA_CRTCX_FIFO1);
1270
1271     regp->CRTC[NV_VGA_CRTCX_FIFO0] = NVReadVgaCrtc(crtc, NV_VGA_CRTCX_FIFO0);
1272     regp->CRTC[NV_VGA_CRTCX_FIFO_LWM] = NVReadVgaCrtc(crtc, NV_VGA_CRTCX_FIFO_LWM);
1273     if(pNv->Architecture >= NV_ARCH_30) {
1274          regp->CRTC[NV_VGA_CRTCX_FIFO_LWM_NV30] = NVReadVgaCrtc(crtc, NV_VGA_CRTCX_FIFO_LWM_NV30);
1275     }
1276     regp->CRTC[NV_VGA_CRTCX_CURCTL0] = NVReadVgaCrtc(crtc, NV_VGA_CRTCX_CURCTL0);
1277     regp->CRTC[NV_VGA_CRTCX_CURCTL1] = NVReadVgaCrtc(crtc, NV_VGA_CRTCX_CURCTL1);
1278     regp->CRTC[NV_VGA_CRTCX_CURCTL2] = NVReadVgaCrtc(crtc, NV_VGA_CRTCX_CURCTL2);
1279     regp->CRTC[NV_VGA_CRTCX_INTERLACE] = NVReadVgaCrtc(crtc, NV_VGA_CRTCX_INTERLACE);
1280
1281     regp->unk830 = nvReadCRTC(pNv, nv_crtc->crtc, NV_CRTC_0830);
1282     regp->unk834 = nvReadCRTC(pNv, nv_crtc->crtc, NV_CRTC_0834);
1283
1284     if(pNv->Architecture >= NV_ARCH_10) {
1285         if(pNv->twoHeads) {
1286            regp->head     = nvReadCRTC(pNv, nv_crtc->crtc, NV_CRTC_FSEL);
1287            regp->crtcOwner = NVReadVgaCrtc(crtc, NV_VGA_CRTCX_OWNER);
1288         }
1289         regp->CRTC[NV_VGA_CRTCX_EXTRA] = NVReadVgaCrtc(crtc, NV_VGA_CRTCX_EXTRA);
1290
1291         regp->cursorConfig = nvReadCRTC(pNv, nv_crtc->crtc, NV_CRTC_CURSOR_CONFIG);
1292
1293         regp->CRTC[NV_VGA_CRTCX_BUFFER] = NVReadVgaCrtc(crtc, NV_VGA_CRTCX_BUFFER);
1294         regp->CRTC[NV_VGA_CRTCX_FP_HTIMING] = NVReadVgaCrtc(crtc, NV_VGA_CRTCX_FP_HTIMING);
1295         regp->CRTC[NV_VGA_CRTCX_FP_VTIMING] = NVReadVgaCrtc(crtc, NV_VGA_CRTCX_FP_VTIMING);
1296     }
1297 }
1298
1299 void
1300 NVCrtcSetBase (xf86CrtcPtr crtc, int x, int y)
1301 {
1302     ScrnInfoPtr pScrn = crtc->scrn;
1303     NVPtr pNv = NVPTR(pScrn);
1304     NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
1305     NVFBLayout *pLayout = &pNv->CurrentLayout;
1306     CARD32 start = 0;
1307
1308     start += ((y * pScrn->displayWidth + x) * (pLayout->bitsPerPixel/8));
1309     start += pNv->FB->offset;
1310
1311     nvWriteCRTC(pNv, nv_crtc->crtc, NV_CRTC_START, start);
1312
1313     crtc->x = x;
1314     crtc->y = y;
1315 }
1316
1317 void NVCrtcSetCursor(xf86CrtcPtr crtc, Bool state)
1318 {
1319   int current = NVReadVgaCrtc(crtc, NV_VGA_CRTCX_CURCTL1);
1320
1321   if(state)
1322     current |= 1;
1323   else
1324     current &= ~1;
1325
1326   NVWriteVgaCrtc(crtc, NV_VGA_CRTCX_CURCTL1, current);
1327 }
1328
1329 void NVSetMode(ScrnInfoPtr pScrn, DisplayModePtr mode)
1330 {
1331         xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
1332         int i;
1333         for (i = 0; i < xf86_config->num_crtc; i++) {
1334                 if (xf86_config->crtc[i]->enabled) {
1335                         nv_crtc_mode_set(xf86_config->crtc[i], mode, NULL, 0,0);
1336                 }
1337         }
1338 }
1339
1340 static void NVCrtcWriteDacMask(xf86CrtcPtr crtc, CARD8 value)
1341 {
1342   ScrnInfoPtr pScrn = crtc->scrn;
1343   NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
1344   NVPtr pNv = NVPTR(pScrn);
1345   volatile CARD8 *pDACReg = nv_crtc->crtc ? pNv->PDIO1 : pNv->PDIO0;
1346
1347   NV_WR08(pDACReg, VGA_DAC_MASK, value);
1348 }
1349
1350 static CARD8 NVCrtcReadDacMask(xf86CrtcPtr crtc)
1351 {
1352   ScrnInfoPtr pScrn = crtc->scrn;
1353   NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
1354   NVPtr pNv = NVPTR(pScrn);
1355   volatile CARD8 *pDACReg = nv_crtc->crtc ? pNv->PDIO1 : pNv->PDIO0;
1356
1357   return NV_RD08(pDACReg, VGA_DAC_MASK);
1358 }
1359
1360 static void NVCrtcWriteDacReadAddr(xf86CrtcPtr crtc, CARD8 value)
1361 {
1362   ScrnInfoPtr pScrn = crtc->scrn;
1363   NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
1364   NVPtr pNv = NVPTR(pScrn);
1365   volatile CARD8 *pDACReg = nv_crtc->crtc ? pNv->PDIO1 : pNv->PDIO0;
1366
1367   NV_WR08(pDACReg, VGA_DAC_READ_ADDR, value);
1368 }
1369
1370 static void NVCrtcWriteDacWriteAddr(xf86CrtcPtr crtc, CARD8 value)
1371 {
1372   ScrnInfoPtr pScrn = crtc->scrn;
1373   NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
1374   NVPtr pNv = NVPTR(pScrn);
1375   volatile CARD8 *pDACReg = nv_crtc->crtc ? pNv->PDIO1 : pNv->PDIO0;
1376
1377   NV_WR08(pDACReg, VGA_DAC_WRITE_ADDR, value);
1378 }
1379
1380 static void NVCrtcWriteDacData(xf86CrtcPtr crtc, CARD8 value)
1381 {
1382   ScrnInfoPtr pScrn = crtc->scrn;
1383   NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
1384   NVPtr pNv = NVPTR(pScrn);
1385   volatile CARD8 *pDACReg = nv_crtc->crtc ? pNv->PDIO1 : pNv->PDIO0;
1386
1387   NV_WR08(pDACReg, VGA_DAC_DATA, value);
1388 }
1389
1390 static CARD8 NVCrtcReadDacData(xf86CrtcPtr crtc, CARD8 value)
1391 {
1392   ScrnInfoPtr pScrn = crtc->scrn;
1393   NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
1394   NVPtr pNv = NVPTR(pScrn);
1395   volatile CARD8 *pDACReg = nv_crtc->crtc ? pNv->PDIO1 : pNv->PDIO0;
1396
1397   return NV_RD08(pDACReg, VGA_DAC_DATA);
1398 }
1399
1400 void NVCrtcLoadPalette(xf86CrtcPtr crtc)
1401 {
1402   int i;
1403   NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
1404   NVCrtcRegPtr regp;
1405   ScrnInfoPtr pScrn = crtc->scrn;
1406   NVPtr pNv = NVPTR(pScrn);
1407
1408   regp = &pNv->ModeReg.crtc_reg[nv_crtc->crtc];
1409
1410   NVWriteVgaCrtc(crtc, NV_VGA_CRTCX_OWNER, nv_crtc->crtc * 0x3);
1411   NVCrtcWriteDacMask(crtc, 0xff);
1412   NVCrtcWriteDacWriteAddr(crtc, 0x00);
1413
1414   for (i = 0; i<768; i++) {
1415     NVCrtcWriteDacData(crtc, regp->DAC[i]);
1416   }
1417   NVDisablePalette(crtc);
1418 }
1419
1420 void NVCrtcBlankScreen(xf86CrtcPtr crtc, Bool on)
1421 {
1422     NVCrtcPrivatePtr nv_crtc = crtc->driver_private;
1423     unsigned char scrn;
1424
1425     NVWriteVgaCrtc(crtc, NV_VGA_CRTCX_OWNER, nv_crtc->crtc * 0x3);
1426
1427     scrn = NVReadVgaSeq(crtc, 0x01);
1428     if (on) {
1429         scrn &= ~0x20;
1430     } else {
1431         scrn |= 0x20;
1432     }
1433
1434     NVVgaSeqReset(crtc, TRUE);
1435     NVWriteVgaSeq(crtc, 0x01, scrn);
1436     NVVgaSeqReset(crtc, FALSE);
1437 }
1438
1439 /*************************************************************************** \
1440 |*                                                                           *|
1441 |*       Copyright 1993-2003 NVIDIA, Corporation.  All rights reserved.      *|
1442 |*                                                                           *|
1443 |*     NOTICE TO USER:   The source code  is copyrighted under  U.S. and     *|
1444 |*     international laws.  Users and possessors of this source code are     *|
1445 |*     hereby granted a nonexclusive,  royalty-free copyright license to     *|
1446 |*     use this code in individual and commercial software.                  *|
1447 |*                                                                           *|
1448 |*     Any use of this source code must include,  in the user documenta-     *|
1449 |*     tion and  internal comments to the code,  notices to the end user     *|
1450 |*     as follows:                                                           *|
1451 |*                                                                           *|
1452 |*       Copyright 1993-1999 NVIDIA, Corporation.  All rights reserved.      *|
1453 |*                                                                           *|
1454 |*     NVIDIA, CORPORATION MAKES NO REPRESENTATION ABOUT THE SUITABILITY     *|
1455 |*     OF  THIS SOURCE  CODE  FOR ANY PURPOSE.  IT IS  PROVIDED  "AS IS"     *|
1456 |*     WITHOUT EXPRESS OR IMPLIED WARRANTY OF ANY KIND.  NVIDIA, CORPOR-     *|
1457 |*     ATION DISCLAIMS ALL WARRANTIES  WITH REGARD  TO THIS SOURCE CODE,     *|
1458 |*     INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGE-     *|
1459 |*     MENT,  AND FITNESS  FOR A PARTICULAR PURPOSE.   IN NO EVENT SHALL     *|
1460 |*     NVIDIA, CORPORATION  BE LIABLE FOR ANY SPECIAL,  INDIRECT,  INCI-     *|
1461 |*     DENTAL, OR CONSEQUENTIAL DAMAGES,  OR ANY DAMAGES  WHATSOEVER RE-     *|
1462 |*     SULTING FROM LOSS OF USE,  DATA OR PROFITS,  WHETHER IN AN ACTION     *|
1463 |*     OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,  ARISING OUT OF     *|
1464 |*     OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOURCE CODE.     *|
1465 |*                                                                           *|
1466 |*     U.S. Government  End  Users.   This source code  is a "commercial     *|
1467 |*     item,"  as that  term is  defined at  48 C.F.R. 2.101 (OCT 1995),     *|
1468 |*     consisting  of "commercial  computer  software"  and  "commercial     *|
1469 |*     computer  software  documentation,"  as such  terms  are  used in     *|
1470 |*     48 C.F.R. 12.212 (SEPT 1995)  and is provided to the U.S. Govern-     *|
1471 |*     ment only as  a commercial end item.   Consistent with  48 C.F.R.     *|
1472 |*     12.212 and  48 C.F.R. 227.7202-1 through  227.7202-4 (JUNE 1995),     *|
1473 |*     all U.S. Government End Users  acquire the source code  with only     *|
1474 |*     those rights set forth herein.                                        *|
1475 |*                                                                           *|
1476  \***************************************************************************/