shared-core/nouveau_state.c

   1 /*
   2  * Copyright 2005 Stephane Marchesin
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 #include "drmP.h"
  26 #include "drm.h"
  27 #include "drm_sarea.h"
  28 #include "nouveau_drv.h"
  29 #include "nouveau_drm.h"
  30
  31 static int nouveau_init_card_mappings(struct drm_device *dev)
  32 {
  33         struct drm_nouveau_private *dev_priv = dev->dev_private;
  34         int ret;
  35
  36         /* resource 0 is mmio regs */
  37         /* resource 1 is linear FB */
  38         /* resource 2 is RAMIN (mmio regs + 0x1000000) */
  39         /* resource 6 is bios */
  40
  41         /* map the mmio regs */
  42         ret = drm_addmap(dev, drm_get_resource_start(dev, 0),
  43                               drm_get_resource_len(dev, 0),
  44                               _DRM_REGISTERS, _DRM_READ_ONLY, &dev_priv->mmio);
  45         if (ret) {
  46                 DRM_ERROR("Unable to initialize the mmio mapping (%d). "
  47                           "Please report your setup to " DRIVER_EMAIL "\n",
  48                           ret);
  49                 return 1;
  50         }
  51         DRM_DEBUG("regs mapped ok at 0x%lx\n", dev_priv->mmio->offset);
  52
  53         /* map larger RAMIN aperture on NV40 cards */
  54         dev_priv->ramin = NULL;
  55         if (dev_priv->card_type >= NV_40) {
  56                 int ramin_resource = 2;
  57                 if (drm_get_resource_len(dev, ramin_resource) == 0)
  58                         ramin_resource = 3;
  59
  60                 ret = drm_addmap(dev,
  61                                  drm_get_resource_start(dev, ramin_resource),
  62                                  drm_get_resource_len(dev, ramin_resource),
  63                                  _DRM_REGISTERS, _DRM_READ_ONLY,
  64                                  &dev_priv->ramin);
  65                 if (ret) {
  66                         DRM_ERROR("Failed to init RAMIN mapping, "
  67                                   "limited instance memory available\n");
  68                         dev_priv->ramin = NULL;
  69                 }
  70         }
  71
  72         /* On older cards (or if the above failed), create a map covering
  73          * the BAR0 PRAMIN aperture */
  74         if (!dev_priv->ramin) {
  75                 ret = drm_addmap(dev,
  76                                  drm_get_resource_start(dev, 0) + NV_RAMIN,
  77                                  (1*1024*1024),
  78                                  _DRM_REGISTERS, _DRM_READ_ONLY,
  79                                  &dev_priv->ramin);
  80                 if (ret) {
  81                         DRM_ERROR("Failed to map BAR0 PRAMIN: %d\n", ret);
  82                         return ret;
  83                 }
  84         }
  85
  86         return 0;
  87 }
  88
  89 static int nouveau_stub_init(struct drm_device *dev) { return 0; }
  90 static void nouveau_stub_takedown(struct drm_device *dev) {}
  91
  92 static int nouveau_init_engine_ptrs(struct drm_device *dev)
  93 {
  94         struct drm_nouveau_private *dev_priv = dev->dev_private;
  95         struct nouveau_engine *engine = &dev_priv->Engine;
  96
  97         switch (dev_priv->chipset & 0xf0) {
  98         case 0x00:
  99                 engine->instmem.init    = nv04_instmem_init;
 100                 engine->instmem.takedown= nv04_instmem_takedown;
 101                 engine->instmem.populate        = nv04_instmem_populate;
 102                 engine->instmem.clear           = nv04_instmem_clear;
 103                 engine->instmem.bind            = nv04_instmem_bind;
 104                 engine->instmem.unbind          = nv04_instmem_unbind;
 105                 engine->mc.init         = nv04_mc_init;
 106                 engine->mc.takedown     = nv04_mc_takedown;
 107                 engine->timer.init      = nv04_timer_init;
 108                 engine->timer.read      = nv04_timer_read;
 109                 engine->timer.takedown  = nv04_timer_takedown;
 110                 engine->fb.init         = nv04_fb_init;
 111                 engine->fb.takedown     = nv04_fb_takedown;
 112                 engine->graph.init      = nv04_graph_init;
 113                 engine->graph.takedown  = nv04_graph_takedown;
 114                 engine->graph.create_context    = nv04_graph_create_context;
 115                 engine->graph.destroy_context   = nv04_graph_destroy_context;
 116                 engine->graph.load_context      = nv04_graph_load_context;
 117                 engine->graph.save_context      = nv04_graph_save_context;
 118                 engine->fifo.channels   = 16;
 119                 engine->fifo.init       = nouveau_fifo_init;
 120                 engine->fifo.takedown   = nouveau_stub_takedown;
 121                 engine->fifo.channel_id         = nv04_fifo_channel_id;
 122                 engine->fifo.create_context     = nv04_fifo_create_context;
 123                 engine->fifo.destroy_context    = nv04_fifo_destroy_context;
 124                 engine->fifo.load_context       = nv04_fifo_load_context;
 125                 engine->fifo.save_context       = nv04_fifo_save_context;
 126                 break;
 127         case 0x10:
 128                 engine->instmem.init    = nv04_instmem_init;
 129                 engine->instmem.takedown= nv04_instmem_takedown;
 130                 engine->instmem.populate        = nv04_instmem_populate;
 131                 engine->instmem.clear           = nv04_instmem_clear;
 132                 engine->instmem.bind            = nv04_instmem_bind;
 133                 engine->instmem.unbind          = nv04_instmem_unbind;
 134                 engine->mc.init         = nv04_mc_init;
 135                 engine->mc.takedown     = nv04_mc_takedown;
 136                 engine->timer.init      = nv04_timer_init;
 137                 engine->timer.read      = nv04_timer_read;
 138                 engine->timer.takedown  = nv04_timer_takedown;
 139                 engine->fb.init         = nv10_fb_init;
 140                 engine->fb.takedown     = nv10_fb_takedown;
 141                 engine->graph.init      = nv10_graph_init;
 142                 engine->graph.takedown  = nv10_graph_takedown;
 143                 engine->graph.create_context    = nv10_graph_create_context;
 144                 engine->graph.destroy_context   = nv10_graph_destroy_context;
 145                 engine->graph.load_context      = nv10_graph_load_context;
 146                 engine->graph.save_context      = nv10_graph_save_context;
 147                 engine->fifo.channels   = 32;
 148                 engine->fifo.init       = nouveau_fifo_init;
 149                 engine->fifo.takedown   = nouveau_stub_takedown;
 150                 engine->fifo.channel_id         = nv10_fifo_channel_id;
 151                 engine->fifo.create_context     = nv10_fifo_create_context;
 152                 engine->fifo.destroy_context    = nv10_fifo_destroy_context;
 153                 engine->fifo.load_context       = nv10_fifo_load_context;
 154                 engine->fifo.save_context       = nv10_fifo_save_context;
 155                 break;
 156         case 0x20:
 157                 engine->instmem.init    = nv04_instmem_init;
 158                 engine->instmem.takedown= nv04_instmem_takedown;
 159                 engine->instmem.populate        = nv04_instmem_populate;
 160                 engine->instmem.clear           = nv04_instmem_clear;
 161                 engine->instmem.bind            = nv04_instmem_bind;
 162                 engine->instmem.unbind          = nv04_instmem_unbind;
 163                 engine->mc.init         = nv04_mc_init;
 164                 engine->mc.takedown     = nv04_mc_takedown;
 165                 engine->timer.init      = nv04_timer_init;
 166                 engine->timer.read      = nv04_timer_read;
 167                 engine->timer.takedown  = nv04_timer_takedown;
 168                 engine->fb.init         = nv10_fb_init;
 169                 engine->fb.takedown     = nv10_fb_takedown;
 170                 engine->graph.init      = nv20_graph_init;
 171                 engine->graph.takedown  = nv20_graph_takedown;
 172                 engine->graph.create_context    = nv20_graph_create_context;
 173                 engine->graph.destroy_context   = nv20_graph_destroy_context;
 174                 engine->graph.load_context      = nv20_graph_load_context;
 175                 engine->graph.save_context      = nv20_graph_save_context;
 176                 engine->fifo.channels   = 32;
 177                 engine->fifo.init       = nouveau_fifo_init;
 178                 engine->fifo.takedown   = nouveau_stub_takedown;
 179                 engine->fifo.channel_id         = nv10_fifo_channel_id;
 180                 engine->fifo.create_context     = nv10_fifo_create_context;
 181                 engine->fifo.destroy_context    = nv10_fifo_destroy_context;
 182                 engine->fifo.load_context       = nv10_fifo_load_context;
 183                 engine->fifo.save_context       = nv10_fifo_save_context;
 184                 break;
 185         case 0x30:
 186                 engine->instmem.init    = nv04_instmem_init;
 187                 engine->instmem.takedown= nv04_instmem_takedown;
 188                 engine->instmem.populate        = nv04_instmem_populate;
 189                 engine->instmem.clear           = nv04_instmem_clear;
 190                 engine->instmem.bind            = nv04_instmem_bind;
 191                 engine->instmem.unbind          = nv04_instmem_unbind;
 192                 engine->mc.init         = nv04_mc_init;
 193                 engine->mc.takedown     = nv04_mc_takedown;
 194                 engine->timer.init      = nv04_timer_init;
 195                 engine->timer.read      = nv04_timer_read;
 196                 engine->timer.takedown  = nv04_timer_takedown;
 197                 engine->fb.init         = nv10_fb_init;
 198                 engine->fb.takedown     = nv10_fb_takedown;
 199                 engine->graph.init      = nv30_graph_init;
 200                 engine->graph.takedown  = nv20_graph_takedown;
 201                 engine->graph.create_context    = nv20_graph_create_context;
 202                 engine->graph.destroy_context   = nv20_graph_destroy_context;
 203                 engine->graph.load_context      = nv20_graph_load_context;
 204                 engine->graph.save_context      = nv20_graph_save_context;
 205                 engine->fifo.channels   = 32;
 206                 engine->fifo.init       = nouveau_fifo_init;
 207                 engine->fifo.takedown   = nouveau_stub_takedown;
 208                 engine->fifo.channel_id         = nv10_fifo_channel_id;
 209                 engine->fifo.create_context     = nv10_fifo_create_context;
 210                 engine->fifo.destroy_context    = nv10_fifo_destroy_context;
 211                 engine->fifo.load_context       = nv10_fifo_load_context;
 212                 engine->fifo.save_context       = nv10_fifo_save_context;
 213                 break;
 214         case 0x40:
 215                 engine->instmem.init    = nv04_instmem_init;
 216                 engine->instmem.takedown= nv04_instmem_takedown;
 217                 engine->instmem.populate        = nv04_instmem_populate;
 218                 engine->instmem.clear           = nv04_instmem_clear;
 219                 engine->instmem.bind            = nv04_instmem_bind;
 220                 engine->instmem.unbind          = nv04_instmem_unbind;
 221                 engine->mc.init         = nv40_mc_init;
 222                 engine->mc.takedown     = nv40_mc_takedown;
 223                 engine->timer.init      = nv04_timer_init;
 224                 engine->timer.read      = nv04_timer_read;
 225                 engine->timer.takedown  = nv04_timer_takedown;
 226                 engine->fb.init         = nv40_fb_init;
 227                 engine->fb.takedown     = nv40_fb_takedown;
 228                 engine->graph.init      = nv40_graph_init;
 229                 engine->graph.takedown  = nv40_graph_takedown;
 230                 engine->graph.create_context    = nv40_graph_create_context;
 231                 engine->graph.destroy_context   = nv40_graph_destroy_context;
 232                 engine->graph.load_context      = nv40_graph_load_context;
 233                 engine->graph.save_context      = nv40_graph_save_context;
 234                 engine->fifo.channels   = 32;
 235                 engine->fifo.init       = nv40_fifo_init;
 236                 engine->fifo.takedown   = nouveau_stub_takedown;
 237                 engine->fifo.channel_id         = nv10_fifo_channel_id;
 238                 engine->fifo.create_context     = nv40_fifo_create_context;
 239                 engine->fifo.destroy_context    = nv40_fifo_destroy_context;
 240                 engine->fifo.load_context       = nv40_fifo_load_context;
 241                 engine->fifo.save_context       = nv40_fifo_save_context;
 242                 break;
 243         case 0x50:
 244         case 0x80: /* gotta love NVIDIA's consistency.. */
 245                 engine->instmem.init    = nv50_instmem_init;
 246                 engine->instmem.takedown= nv50_instmem_takedown;
 247                 engine->instmem.populate        = nv50_instmem_populate;
 248                 engine->instmem.clear           = nv50_instmem_clear;
 249                 engine->instmem.bind            = nv50_instmem_bind;
 250                 engine->instmem.unbind          = nv50_instmem_unbind;
 251                 engine->mc.init         = nv50_mc_init;
 252                 engine->mc.takedown     = nv50_mc_takedown;
 253                 engine->timer.init      = nv04_timer_init;
 254                 engine->timer.read      = nv04_timer_read;
 255                 engine->timer.takedown  = nv04_timer_takedown;
 256                 engine->fb.init         = nouveau_stub_init;
 257                 engine->fb.takedown     = nouveau_stub_takedown;
 258                 engine->graph.init      = nv50_graph_init;
 259                 engine->graph.takedown  = nv50_graph_takedown;
 260                 engine->graph.create_context    = nv50_graph_create_context;
 261                 engine->graph.destroy_context   = nv50_graph_destroy_context;
 262                 engine->graph.load_context      = nv50_graph_load_context;
 263                 engine->graph.save_context      = nv50_graph_save_context;
 264                 engine->fifo.channels   = 128;
 265                 engine->fifo.init       = nv50_fifo_init;
 266                 engine->fifo.takedown   = nv50_fifo_takedown;
 267                 engine->fifo.channel_id         = nv50_fifo_channel_id;
 268                 engine->fifo.create_context     = nv50_fifo_create_context;
 269                 engine->fifo.destroy_context    = nv50_fifo_destroy_context;
 270                 engine->fifo.load_context       = nv50_fifo_load_context;
 271                 engine->fifo.save_context       = nv50_fifo_save_context;
 272                 break;
 273         default:
 274                 DRM_ERROR("NV%02x unsupported\n", dev_priv->chipset);
 275                 return 1;
 276         }
 277
 278         return 0;
 279 }
 280
 281 int
 282 nouveau_card_init(struct drm_device *dev)
 283 {
 284         struct drm_nouveau_private *dev_priv = dev->dev_private;
 285         struct nouveau_engine *engine;
 286         int ret;
 287
 288         DRM_DEBUG("prev state = %d\n", dev_priv->init_state);
 289
 290         if (dev_priv->init_state == NOUVEAU_CARD_INIT_DONE)
 291                 return 0;
 292         dev_priv->ttm = 0;
 293
 294         /* Determine exact chipset we're running on */
 295         if (dev_priv->card_type < NV_10)
 296                 dev_priv->chipset = dev_priv->card_type;
 297         else
 298                 dev_priv->chipset =
 299                         (NV_READ(NV03_PMC_BOOT_0) & 0x0ff00000) >> 20;
 300
 301         /* Initialise internal driver API hooks */
 302         ret = nouveau_init_engine_ptrs(dev);
 303         if (ret) return ret;
 304         engine = &dev_priv->Engine;
 305         dev_priv->init_state = NOUVEAU_CARD_INIT_FAILED;
 306
 307         ret = nouveau_gpuobj_early_init(dev);
 308         if (ret) return ret;
 309
 310         /* Initialise instance memory, must happen before mem_init so we
 311          * know exactly how much VRAM we're able to use for "normal"
 312          * purposes.
 313          */
 314         ret = engine->instmem.init(dev);
 315         if (ret) return ret;
 316
 317         /* Setup the memory manager */
 318         if (dev_priv->ttm) {
 319                 ret = nouveau_mem_init_ttm(dev);
 320                 if (ret) return ret;
 321         } else {
 322                 ret = nouveau_mem_init(dev);
 323                 if (ret) return ret;
 324         }
 325
 326         ret = nouveau_gpuobj_init(dev);
 327         if (ret) return ret;
 328
 329         /* Parse BIOS tables / Run init tables? */
 330
 331         /* PMC */
 332         ret = engine->mc.init(dev);
 333         if (ret) return ret;
 334
 335         /* PTIMER */
 336         ret = engine->timer.init(dev);
 337         if (ret) return ret;
 338
 339         /* PFB */
 340         ret = engine->fb.init(dev);
 341         if (ret) return ret;
 342
 343         /* PGRAPH */
 344         ret = engine->graph.init(dev);
 345         if (ret) return ret;
 346
 347         /* PFIFO */
 348         ret = engine->fifo.init(dev);
 349         if (ret) return ret;
 350
 351         /* this call irq_preinstall, register irq handler and
 352          * call irq_postinstall
 353          */
 354         ret = drm_irq_install(dev);
 355         if (ret) return ret;
 356
 357         /* what about PVIDEO/PCRTC/PRAMDAC etc? */
 358
 359         ret = nouveau_dma_channel_init(dev);
 360         if (ret) return ret;
 361
 362         dev_priv->init_state = NOUVEAU_CARD_INIT_DONE;
 363         return 0;
 364 }
 365
 366 static void nouveau_card_takedown(struct drm_device *dev)
 367 {
 368         struct drm_nouveau_private *dev_priv = dev->dev_private;
 369         struct nouveau_engine *engine = &dev_priv->Engine;
 370
 371         DRM_DEBUG("prev state = %d\n", dev_priv->init_state);
 372
 373         if (dev_priv->init_state != NOUVEAU_CARD_INIT_DOWN) {
 374                 nouveau_dma_channel_takedown(dev);
 375
 376                 engine->fifo.takedown(dev);
 377                 engine->graph.takedown(dev);
 378                 engine->fb.takedown(dev);
 379                 engine->timer.takedown(dev);
 380                 engine->mc.takedown(dev);
 381
 382                 nouveau_sgdma_nottm_hack_takedown(dev);
 383                 nouveau_sgdma_takedown(dev);
 384
 385                 nouveau_gpuobj_takedown(dev);
 386
 387                 nouveau_mem_close(dev);
 388                 engine->instmem.takedown(dev);
 389
 390                 drm_irq_uninstall(dev);
 391
 392                 nouveau_gpuobj_late_takedown(dev);
 393
 394                 dev_priv->init_state = NOUVEAU_CARD_INIT_DOWN;
 395         }
 396 }
 397
 398 /* here a client dies, release the stuff that was allocated for its
 399  * file_priv */
 400 void nouveau_preclose(struct drm_device *dev, struct drm_file *file_priv)
 401 {
 402         struct drm_nouveau_private *dev_priv = dev->dev_private;
 403
 404         nouveau_fifo_cleanup(dev, file_priv);
 405         nouveau_mem_release(file_priv,dev_priv->fb_heap);
 406         nouveau_mem_release(file_priv,dev_priv->agp_heap);
 407         nouveau_mem_release(file_priv,dev_priv->pci_heap);
 408 }
 409
 410 /* first module load, setup the mmio/fb mapping */
 411 int nouveau_firstopen(struct drm_device *dev)
 412 {
 413 #if defined(__powerpc__)
 414         struct drm_nouveau_private *dev_priv = dev->dev_private;
 415         struct device_node *dn;
 416 #endif
 417         int ret;
 418         /* Map any PCI resources we need on the card */
 419         ret = nouveau_init_card_mappings(dev);
 420         if (ret) return ret;
 421
 422 #if defined(__powerpc__)
 423         /* Put the card in BE mode if it's not */
 424         if (NV_READ(NV03_PMC_BOOT_1))
 425                 NV_WRITE(NV03_PMC_BOOT_1,0x00000001);
 426
 427         DRM_MEMORYBARRIER();
 428 #endif
 429
 430 #if defined(__linux__) && defined(__powerpc__)
 431         /* if we have an OF card, copy vbios to RAMIN */
 432         dn = pci_device_to_OF_node(dev->pdev);
 433         if (dn)
 434         {
 435                 int size;
 436 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22))
 437                 const uint32_t *bios = of_get_property(dn, "NVDA,BMP", &size);
 438 #else
 439                 const uint32_t *bios = get_property(dn, "NVDA,BMP", &size);
 440 #endif
 441                 if (bios)
 442                 {
 443                         int i;
 444                         for(i=0;i<size;i+=4)
 445                                 NV_WI32(i, bios[i/4]);
 446                         DRM_INFO("OF bios successfully copied (%d bytes)\n",size);
 447                 }
 448                 else
 449                         DRM_INFO("Unable to get the OF bios\n");
 450         }
 451         else
 452                 DRM_INFO("Unable to get the OF node\n");
 453 #endif
 454         return 0;
 455 }
 456
 457 #define NV40_CHIPSET_MASK 0x00000baf
 458 #define NV44_CHIPSET_MASK 0x00005450
 459
 460 int nouveau_load(struct drm_device *dev, unsigned long flags)
 461 {
 462         struct drm_nouveau_private *dev_priv;
 463         void __iomem *regs;
 464         uint32_t reg0,reg1;
 465         uint8_t architecture = 0;
 466
 467         dev_priv = drm_calloc(1, sizeof(*dev_priv), DRM_MEM_DRIVER);
 468         if (!dev_priv)
 469                 return -ENOMEM;
 470
 471         dev_priv->flags = flags & NOUVEAU_FLAGS;
 472         dev_priv->init_state = NOUVEAU_CARD_INIT_DOWN;
 473
 474         DRM_DEBUG("vendor: 0x%X device: 0x%X class: 0x%X\n", dev->pci_vendor, dev->pci_device, dev->pdev->class);
 475
 476         /* Time to determine the card architecture */
 477         regs = ioremap_nocache(pci_resource_start(dev->pdev, 0), 0x8);
 478         if (!regs) {
 479                 DRM_ERROR("Could not ioremap to determine register\n");
 480                 return -ENOMEM;
 481         }
 482
 483         reg0 = readl(regs+NV03_PMC_BOOT_0);
 484         reg1 = readl(regs+NV03_PMC_BOOT_1);
 485 #if defined(__powerpc__)
 486         if (reg1)
 487                 reg0=___swab32(reg0);
 488 #endif
 489
 490         /* We're dealing with >=NV10 */
 491         if ((reg0 & 0x0f000000) > 0 ) {
 492                 /* Bit 27-20 contain the architecture in hex */
 493                 architecture = (reg0 & 0xff00000) >> 20;
 494         /* NV04 or NV05 */
 495         } else if ((reg0 & 0xff00fff0) == 0x20004000) {
 496                 architecture = 0x04;
 497         }
 498
 499         iounmap(regs);
 500
 501         if (architecture >= 0x80) {
 502                 dev_priv->card_type = NV_50;
 503         } else if (architecture >= 0x60) {
 504                 /* FIXME we need to figure out who's who for NV6x */
 505                 dev_priv->card_type = NV_44;
 506         } else if (architecture >= 0x50) {
 507                 dev_priv->card_type = NV_50;
 508         } else if (architecture >= 0x40) {
 509                 uint8_t subarch = architecture & 0xf;
 510                 /* Selection criteria borrowed from NV40EXA */
 511                 if (NV40_CHIPSET_MASK & (1 << subarch)) {
 512                         dev_priv->card_type = NV_40;
 513                 } else if (NV44_CHIPSET_MASK & (1 << subarch)) {
 514                         dev_priv->card_type = NV_44;
 515                 } else {
 516                         dev_priv->card_type = NV_UNKNOWN;
 517                 }
 518         } else if (architecture >= 0x30) {
 519                 dev_priv->card_type = NV_30;
 520         } else if (architecture >= 0x20) {
 521                 dev_priv->card_type = NV_20;
 522         } else if (architecture >= 0x17) {
 523                 dev_priv->card_type = NV_17;
 524         } else if (architecture >= 0x11) {
 525                 dev_priv->card_type = NV_11;
 526         } else if (architecture >= 0x10) {
 527                 dev_priv->card_type = NV_10;
 528         } else if (architecture >= 0x04) {
 529                 dev_priv->card_type = NV_04;
 530         } else {
 531                 dev_priv->card_type = NV_UNKNOWN;
 532         }
 533
 534         DRM_INFO("Detected an NV%d generation card (0x%08x)\n", dev_priv->card_type,reg0);
 535
 536         if (dev_priv->card_type == NV_UNKNOWN) {
 537                 return -EINVAL;
 538         }
 539
 540         /* Special flags */
 541         if (dev->pci_device == 0x01a0) {
 542                 dev_priv->flags |= NV_NFORCE;
 543         } else if (dev->pci_device == 0x01f0) {
 544                 dev_priv->flags |= NV_NFORCE2;
 545         }
 546
 547         dev->dev_private = (void *)dev_priv;
 548
 549         return 0;
 550 }
 551
 552 void nouveau_lastclose(struct drm_device *dev)
 553 {
 554         struct drm_nouveau_private *dev_priv = dev->dev_private;
 555
 556         /* In the case of an error dev_priv may not be be allocated yet */
 557         if (dev_priv && dev_priv->card_type) {
 558                 nouveau_card_takedown(dev);
 559
 560                 if(dev_priv->fb_mtrr>0)
 561                 {
 562                         drm_mtrr_del(dev_priv->fb_mtrr, drm_get_resource_start(dev, 1),nouveau_mem_fb_amount(dev), DRM_MTRR_WC);
 563                         dev_priv->fb_mtrr=0;
 564                 }
 565         }
 566 }
 567
 568 int nouveau_unload(struct drm_device *dev)
 569 {
 570         drm_free(dev->dev_private, sizeof(*dev->dev_private), DRM_MEM_DRIVER);
 571         dev->dev_private = NULL;
 572         return 0;
 573 }
 574
 575 int
 576 nouveau_ioctl_card_init(struct drm_device *dev, void *data,
 577                         struct drm_file *file_priv)
 578 {
 579         return nouveau_card_init(dev);
 580 }
 581
 582 int nouveau_ioctl_getparam(struct drm_device *dev, void *data, struct drm_file *file_priv)
 583 {
 584         struct drm_nouveau_private *dev_priv = dev->dev_private;
 585         struct drm_nouveau_getparam *getparam = data;
 586
 587         NOUVEAU_CHECK_INITIALISED_WITH_RETURN;
 588
 589         switch (getparam->param) {
 590         case NOUVEAU_GETPARAM_CHIPSET_ID:
 591                 getparam->value = dev_priv->chipset;
 592                 break;
 593         case NOUVEAU_GETPARAM_PCI_VENDOR:
 594                 getparam->value=dev->pci_vendor;
 595                 break;
 596         case NOUVEAU_GETPARAM_PCI_DEVICE:
 597                 getparam->value=dev->pci_device;
 598                 break;
 599         case NOUVEAU_GETPARAM_BUS_TYPE:
 600                 if (drm_device_is_agp(dev))
 601                         getparam->value=NV_AGP;
 602                 else if (drm_device_is_pcie(dev))
 603                         getparam->value=NV_PCIE;
 604                 else
 605                         getparam->value=NV_PCI;
 606                 break;
 607         case NOUVEAU_GETPARAM_FB_PHYSICAL:
 608                 getparam->value=dev_priv->fb_phys;
 609                 break;
 610         case NOUVEAU_GETPARAM_AGP_PHYSICAL:
 611                 getparam->value=dev_priv->gart_info.aper_base;
 612                 break;
 613         case NOUVEAU_GETPARAM_PCI_PHYSICAL:
 614                 if ( dev -> sg )
 615                         getparam->value=(uint64_t) dev->sg->virtual;
 616                 else
 617                      {
 618                      DRM_ERROR("Requested PCIGART address, while no PCIGART was created\n");
 619                      return -EINVAL;
 620                      }
 621                 break;
 622         case NOUVEAU_GETPARAM_FB_SIZE:
 623                 getparam->value=dev_priv->fb_available_size;
 624                 break;
 625         case NOUVEAU_GETPARAM_AGP_SIZE:
 626                 getparam->value=dev_priv->gart_info.aper_size;
 627                 break;
 628         default:
 629                 DRM_ERROR("unknown parameter %lld\n", getparam->param);
 630                 return -EINVAL;
 631         }
 632
 633         return 0;
 634 }
 635
 636 int nouveau_ioctl_setparam(struct drm_device *dev, void *data, struct drm_file *file_priv)
 637 {
 638         struct drm_nouveau_private *dev_priv = dev->dev_private;
 639         struct drm_nouveau_setparam *setparam = data;
 640
 641         NOUVEAU_CHECK_INITIALISED_WITH_RETURN;
 642
 643         switch (setparam->param) {
 644         case NOUVEAU_SETPARAM_CMDBUF_LOCATION:
 645                 switch (setparam->value) {
 646                 case NOUVEAU_MEM_AGP:
 647                 case NOUVEAU_MEM_FB:
 648                 case NOUVEAU_MEM_PCI:
 649                 case NOUVEAU_MEM_AGP | NOUVEAU_MEM_PCI_ACCEPTABLE:
 650                         break;
 651                 default:
 652                         DRM_ERROR("invalid CMDBUF_LOCATION value=%lld\n",
 653                                         setparam->value);
 654                         return -EINVAL;
 655                 }
 656                 dev_priv->config.cmdbuf.location = setparam->value;
 657                 break;
 658         case NOUVEAU_SETPARAM_CMDBUF_SIZE:
 659                 dev_priv->config.cmdbuf.size = setparam->value;
 660                 break;
 661         default:
 662                 DRM_ERROR("unknown parameter %lld\n", setparam->param);
 663                 return -EINVAL;
 664         }
 665
 666         return 0;
 667 }
 668
 669 /* waits for idle */
 670 void nouveau_wait_for_idle(struct drm_device *dev)
 671 {
 672         struct drm_nouveau_private *dev_priv=dev->dev_private;
 673         switch(dev_priv->card_type) {
 674         case NV_50:
 675                 break;
 676         default: {
 677                 /* This stuff is more or less a copy of what is seen
 678                  * in nv28 kmmio dump.
 679                  */
 680                 uint64_t started = dev_priv->Engine.timer.read(dev);
 681                 uint64_t stopped = started;
 682                 uint32_t status;
 683                 do {
 684                         uint32_t pmc_e = NV_READ(NV03_PMC_ENABLE);
 685                         (void)pmc_e;
 686                         status = NV_READ(NV04_PGRAPH_STATUS);
 687                         if (!status)
 688                                 break;
 689                         stopped = dev_priv->Engine.timer.read(dev);
 690                 /* It'll never wrap anyway... */
 691                 } while (stopped - started < 1000000000ULL);
 692                 if (status)
 693                         DRM_ERROR("timed out with status 0x%08x\n",
 694                                   status);
 695         }
 696         }
 697 }