drivers/gpu/drm/nouveau/nouveau_state.c

   1 /*
   2  * Copyright 2005 Stephane Marchesin
   3  * Copyright 2008 Stuart Bennett
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  21  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  22  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  23  * DEALINGS IN THE SOFTWARE.
  24  */
  25
  26 #include <linux/swab.h>
  27 #include <linux/slab.h>
  28 #include "drmP.h"
  29 #include "drm.h"
  30 #include "drm_sarea.h"
  31 #include "drm_crtc_helper.h"
  32 #include <linux/vgaarb.h>
  33 #include <linux/vga_switcheroo.h>
  34
  35 #include "nouveau_drv.h"
  36 #include "nouveau_drm.h"
  37 #include "nouveau_fbcon.h"
  38 #include "nouveau_ramht.h"
  39 #include "nouveau_pm.h"
  40 #include "nv50_display.h"
  41
  42 static void nouveau_stub_takedown(struct drm_device *dev) {}
  43 static int nouveau_stub_init(struct drm_device *dev) { return 0; }
  44
  45 static int nouveau_init_engine_ptrs(struct drm_device *dev)
  46 {
  47         struct drm_nouveau_private *dev_priv = dev->dev_private;
  48         struct nouveau_engine *engine = &dev_priv->engine;
  49
  50         switch (dev_priv->chipset & 0xf0) {
  51         case 0x00:
  52                 engine->instmem.init            = nv04_instmem_init;
  53                 engine->instmem.takedown        = nv04_instmem_takedown;
  54                 engine->instmem.suspend         = nv04_instmem_suspend;
  55                 engine->instmem.resume          = nv04_instmem_resume;
  56                 engine->instmem.get             = nv04_instmem_get;
  57                 engine->instmem.put             = nv04_instmem_put;
  58                 engine->instmem.map             = nv04_instmem_map;
  59                 engine->instmem.unmap           = nv04_instmem_unmap;
  60                 engine->instmem.flush           = nv04_instmem_flush;
  61                 engine->mc.init                 = nv04_mc_init;
  62                 engine->mc.takedown             = nv04_mc_takedown;
  63                 engine->timer.init              = nv04_timer_init;
  64                 engine->timer.read              = nv04_timer_read;
  65                 engine->timer.takedown          = nv04_timer_takedown;
  66                 engine->fb.init                 = nv04_fb_init;
  67                 engine->fb.takedown             = nv04_fb_takedown;
  68                 engine->graph.init              = nv04_graph_init;
  69                 engine->graph.takedown          = nv04_graph_takedown;
  70                 engine->graph.fifo_access       = nv04_graph_fifo_access;
  71                 engine->graph.channel           = nv04_graph_channel;
  72                 engine->graph.create_context    = nv04_graph_create_context;
  73                 engine->graph.destroy_context   = nv04_graph_destroy_context;
  74                 engine->graph.load_context      = nv04_graph_load_context;
  75                 engine->graph.unload_context    = nv04_graph_unload_context;
  76                 engine->fifo.channels           = 16;
  77                 engine->fifo.init               = nv04_fifo_init;
  78                 engine->fifo.takedown           = nv04_fifo_fini;
  79                 engine->fifo.disable            = nv04_fifo_disable;
  80                 engine->fifo.enable             = nv04_fifo_enable;
  81                 engine->fifo.reassign           = nv04_fifo_reassign;
  82                 engine->fifo.cache_pull         = nv04_fifo_cache_pull;
  83                 engine->fifo.channel_id         = nv04_fifo_channel_id;
  84                 engine->fifo.create_context     = nv04_fifo_create_context;
  85                 engine->fifo.destroy_context    = nv04_fifo_destroy_context;
  86                 engine->fifo.load_context       = nv04_fifo_load_context;
  87                 engine->fifo.unload_context     = nv04_fifo_unload_context;
  88                 engine->display.early_init      = nv04_display_early_init;
  89                 engine->display.late_takedown   = nv04_display_late_takedown;
  90                 engine->display.create          = nv04_display_create;
  91                 engine->display.init            = nv04_display_init;
  92                 engine->display.destroy         = nv04_display_destroy;
  93                 engine->gpio.init               = nouveau_stub_init;
  94                 engine->gpio.takedown           = nouveau_stub_takedown;
  95                 engine->gpio.get                = NULL;
  96                 engine->gpio.set                = NULL;
  97                 engine->gpio.irq_enable         = NULL;
  98                 engine->pm.clock_get            = nv04_pm_clock_get;
  99                 engine->pm.clock_pre            = nv04_pm_clock_pre;
 100                 engine->pm.clock_set            = nv04_pm_clock_set;
 101                 engine->crypt.init              = nouveau_stub_init;
 102                 engine->crypt.takedown          = nouveau_stub_takedown;
 103                 engine->vram.init               = nouveau_mem_detect;
 104                 engine->vram.flags_valid        = nouveau_mem_flags_valid;
 105                 break;
 106         case 0x10:
 107                 engine->instmem.init            = nv04_instmem_init;
 108                 engine->instmem.takedown        = nv04_instmem_takedown;
 109                 engine->instmem.suspend         = nv04_instmem_suspend;
 110                 engine->instmem.resume          = nv04_instmem_resume;
 111                 engine->instmem.get             = nv04_instmem_get;
 112                 engine->instmem.put             = nv04_instmem_put;
 113                 engine->instmem.map             = nv04_instmem_map;
 114                 engine->instmem.unmap           = nv04_instmem_unmap;
 115                 engine->instmem.flush           = nv04_instmem_flush;
 116                 engine->mc.init                 = nv04_mc_init;
 117                 engine->mc.takedown             = nv04_mc_takedown;
 118                 engine->timer.init              = nv04_timer_init;
 119                 engine->timer.read              = nv04_timer_read;
 120                 engine->timer.takedown          = nv04_timer_takedown;
 121                 engine->fb.init                 = nv10_fb_init;
 122                 engine->fb.takedown             = nv10_fb_takedown;
 123                 engine->fb.init_tile_region     = nv10_fb_init_tile_region;
 124                 engine->fb.set_tile_region      = nv10_fb_set_tile_region;
 125                 engine->fb.free_tile_region     = nv10_fb_free_tile_region;
 126                 engine->graph.init              = nv10_graph_init;
 127                 engine->graph.takedown          = nv10_graph_takedown;
 128                 engine->graph.channel           = nv10_graph_channel;
 129                 engine->graph.create_context    = nv10_graph_create_context;
 130                 engine->graph.destroy_context   = nv10_graph_destroy_context;
 131                 engine->graph.fifo_access       = nv04_graph_fifo_access;
 132                 engine->graph.load_context      = nv10_graph_load_context;
 133                 engine->graph.unload_context    = nv10_graph_unload_context;
 134                 engine->graph.set_tile_region   = nv10_graph_set_tile_region;
 135                 engine->fifo.channels           = 32;
 136                 engine->fifo.init               = nv10_fifo_init;
 137                 engine->fifo.takedown           = nv04_fifo_fini;
 138                 engine->fifo.disable            = nv04_fifo_disable;
 139                 engine->fifo.enable             = nv04_fifo_enable;
 140                 engine->fifo.reassign           = nv04_fifo_reassign;
 141                 engine->fifo.cache_pull         = nv04_fifo_cache_pull;
 142                 engine->fifo.channel_id         = nv10_fifo_channel_id;
 143                 engine->fifo.create_context     = nv10_fifo_create_context;
 144                 engine->fifo.destroy_context    = nv04_fifo_destroy_context;
 145                 engine->fifo.load_context       = nv10_fifo_load_context;
 146                 engine->fifo.unload_context     = nv10_fifo_unload_context;
 147                 engine->display.early_init      = nv04_display_early_init;
 148                 engine->display.late_takedown   = nv04_display_late_takedown;
 149                 engine->display.create          = nv04_display_create;
 150                 engine->display.init            = nv04_display_init;
 151                 engine->display.destroy         = nv04_display_destroy;
 152                 engine->gpio.init               = nouveau_stub_init;
 153                 engine->gpio.takedown           = nouveau_stub_takedown;
 154                 engine->gpio.get                = nv10_gpio_get;
 155                 engine->gpio.set                = nv10_gpio_set;
 156                 engine->gpio.irq_enable         = NULL;
 157                 engine->pm.clock_get            = nv04_pm_clock_get;
 158                 engine->pm.clock_pre            = nv04_pm_clock_pre;
 159                 engine->pm.clock_set            = nv04_pm_clock_set;
 160                 engine->crypt.init              = nouveau_stub_init;
 161                 engine->crypt.takedown          = nouveau_stub_takedown;
 162                 engine->vram.init               = nouveau_mem_detect;
 163                 engine->vram.flags_valid        = nouveau_mem_flags_valid;
 164                 break;
 165         case 0x20:
 166                 engine->instmem.init            = nv04_instmem_init;
 167                 engine->instmem.takedown        = nv04_instmem_takedown;
 168                 engine->instmem.suspend         = nv04_instmem_suspend;
 169                 engine->instmem.resume          = nv04_instmem_resume;
 170                 engine->instmem.get             = nv04_instmem_get;
 171                 engine->instmem.put             = nv04_instmem_put;
 172                 engine->instmem.map             = nv04_instmem_map;
 173                 engine->instmem.unmap           = nv04_instmem_unmap;
 174                 engine->instmem.flush           = nv04_instmem_flush;
 175                 engine->mc.init                 = nv04_mc_init;
 176                 engine->mc.takedown             = nv04_mc_takedown;
 177                 engine->timer.init              = nv04_timer_init;
 178                 engine->timer.read              = nv04_timer_read;
 179                 engine->timer.takedown          = nv04_timer_takedown;
 180                 engine->fb.init                 = nv10_fb_init;
 181                 engine->fb.takedown             = nv10_fb_takedown;
 182                 engine->fb.init_tile_region     = nv10_fb_init_tile_region;
 183                 engine->fb.set_tile_region      = nv10_fb_set_tile_region;
 184                 engine->fb.free_tile_region     = nv10_fb_free_tile_region;
 185                 engine->graph.init              = nv20_graph_init;
 186                 engine->graph.takedown          = nv20_graph_takedown;
 187                 engine->graph.channel           = nv10_graph_channel;
 188                 engine->graph.create_context    = nv20_graph_create_context;
 189                 engine->graph.destroy_context   = nv20_graph_destroy_context;
 190                 engine->graph.fifo_access       = nv04_graph_fifo_access;
 191                 engine->graph.load_context      = nv20_graph_load_context;
 192                 engine->graph.unload_context    = nv20_graph_unload_context;
 193                 engine->graph.set_tile_region   = nv20_graph_set_tile_region;
 194                 engine->fifo.channels           = 32;
 195                 engine->fifo.init               = nv10_fifo_init;
 196                 engine->fifo.takedown           = nv04_fifo_fini;
 197                 engine->fifo.disable            = nv04_fifo_disable;
 198                 engine->fifo.enable             = nv04_fifo_enable;
 199                 engine->fifo.reassign           = nv04_fifo_reassign;
 200                 engine->fifo.cache_pull         = nv04_fifo_cache_pull;
 201                 engine->fifo.channel_id         = nv10_fifo_channel_id;
 202                 engine->fifo.create_context     = nv10_fifo_create_context;
 203                 engine->fifo.destroy_context    = nv04_fifo_destroy_context;
 204                 engine->fifo.load_context       = nv10_fifo_load_context;
 205                 engine->fifo.unload_context     = nv10_fifo_unload_context;
 206                 engine->display.early_init      = nv04_display_early_init;
 207                 engine->display.late_takedown   = nv04_display_late_takedown;
 208                 engine->display.create          = nv04_display_create;
 209                 engine->display.init            = nv04_display_init;
 210                 engine->display.destroy         = nv04_display_destroy;
 211                 engine->gpio.init               = nouveau_stub_init;
 212                 engine->gpio.takedown           = nouveau_stub_takedown;
 213                 engine->gpio.get                = nv10_gpio_get;
 214                 engine->gpio.set                = nv10_gpio_set;
 215                 engine->gpio.irq_enable         = NULL;
 216                 engine->pm.clock_get            = nv04_pm_clock_get;
 217                 engine->pm.clock_pre            = nv04_pm_clock_pre;
 218                 engine->pm.clock_set            = nv04_pm_clock_set;
 219                 engine->crypt.init              = nouveau_stub_init;
 220                 engine->crypt.takedown          = nouveau_stub_takedown;
 221                 engine->vram.init               = nouveau_mem_detect;
 222                 engine->vram.flags_valid        = nouveau_mem_flags_valid;
 223                 break;
 224         case 0x30:
 225                 engine->instmem.init            = nv04_instmem_init;
 226                 engine->instmem.takedown        = nv04_instmem_takedown;
 227                 engine->instmem.suspend         = nv04_instmem_suspend;
 228                 engine->instmem.resume          = nv04_instmem_resume;
 229                 engine->instmem.get             = nv04_instmem_get;
 230                 engine->instmem.put             = nv04_instmem_put;
 231                 engine->instmem.map             = nv04_instmem_map;
 232                 engine->instmem.unmap           = nv04_instmem_unmap;
 233                 engine->instmem.flush           = nv04_instmem_flush;
 234                 engine->mc.init                 = nv04_mc_init;
 235                 engine->mc.takedown             = nv04_mc_takedown;
 236                 engine->timer.init              = nv04_timer_init;
 237                 engine->timer.read              = nv04_timer_read;
 238                 engine->timer.takedown          = nv04_timer_takedown;
 239                 engine->fb.init                 = nv30_fb_init;
 240                 engine->fb.takedown             = nv30_fb_takedown;
 241                 engine->fb.init_tile_region     = nv30_fb_init_tile_region;
 242                 engine->fb.set_tile_region      = nv10_fb_set_tile_region;
 243                 engine->fb.free_tile_region     = nv30_fb_free_tile_region;
 244                 engine->graph.init              = nv30_graph_init;
 245                 engine->graph.takedown          = nv20_graph_takedown;
 246                 engine->graph.fifo_access       = nv04_graph_fifo_access;
 247                 engine->graph.channel           = nv10_graph_channel;
 248                 engine->graph.create_context    = nv20_graph_create_context;
 249                 engine->graph.destroy_context   = nv20_graph_destroy_context;
 250                 engine->graph.load_context      = nv20_graph_load_context;
 251                 engine->graph.unload_context    = nv20_graph_unload_context;
 252                 engine->graph.set_tile_region   = nv20_graph_set_tile_region;
 253                 engine->fifo.channels           = 32;
 254                 engine->fifo.init               = nv10_fifo_init;
 255                 engine->fifo.takedown           = nv04_fifo_fini;
 256                 engine->fifo.disable            = nv04_fifo_disable;
 257                 engine->fifo.enable             = nv04_fifo_enable;
 258                 engine->fifo.reassign           = nv04_fifo_reassign;
 259                 engine->fifo.cache_pull         = nv04_fifo_cache_pull;
 260                 engine->fifo.channel_id         = nv10_fifo_channel_id;
 261                 engine->fifo.create_context     = nv10_fifo_create_context;
 262                 engine->fifo.destroy_context    = nv04_fifo_destroy_context;
 263                 engine->fifo.load_context       = nv10_fifo_load_context;
 264                 engine->fifo.unload_context     = nv10_fifo_unload_context;
 265                 engine->display.early_init      = nv04_display_early_init;
 266                 engine->display.late_takedown   = nv04_display_late_takedown;
 267                 engine->display.create          = nv04_display_create;
 268                 engine->display.init            = nv04_display_init;
 269                 engine->display.destroy         = nv04_display_destroy;
 270                 engine->gpio.init               = nouveau_stub_init;
 271                 engine->gpio.takedown           = nouveau_stub_takedown;
 272                 engine->gpio.get                = nv10_gpio_get;
 273                 engine->gpio.set                = nv10_gpio_set;
 274                 engine->gpio.irq_enable         = NULL;
 275                 engine->pm.clock_get            = nv04_pm_clock_get;
 276                 engine->pm.clock_pre            = nv04_pm_clock_pre;
 277                 engine->pm.clock_set            = nv04_pm_clock_set;
 278                 engine->pm.voltage_get          = nouveau_voltage_gpio_get;
 279                 engine->pm.voltage_set          = nouveau_voltage_gpio_set;
 280                 engine->crypt.init              = nouveau_stub_init;
 281                 engine->crypt.takedown          = nouveau_stub_takedown;
 282                 engine->vram.init               = nouveau_mem_detect;
 283                 engine->vram.flags_valid        = nouveau_mem_flags_valid;
 284                 break;
 285         case 0x40:
 286         case 0x60:
 287                 engine->instmem.init            = nv04_instmem_init;
 288                 engine->instmem.takedown        = nv04_instmem_takedown;
 289                 engine->instmem.suspend         = nv04_instmem_suspend;
 290                 engine->instmem.resume          = nv04_instmem_resume;
 291                 engine->instmem.get             = nv04_instmem_get;
 292                 engine->instmem.put             = nv04_instmem_put;
 293                 engine->instmem.map             = nv04_instmem_map;
 294                 engine->instmem.unmap           = nv04_instmem_unmap;
 295                 engine->instmem.flush           = nv04_instmem_flush;
 296                 engine->mc.init                 = nv40_mc_init;
 297                 engine->mc.takedown             = nv40_mc_takedown;
 298                 engine->timer.init              = nv04_timer_init;
 299                 engine->timer.read              = nv04_timer_read;
 300                 engine->timer.takedown          = nv04_timer_takedown;
 301                 engine->fb.init                 = nv40_fb_init;
 302                 engine->fb.takedown             = nv40_fb_takedown;
 303                 engine->fb.init_tile_region     = nv30_fb_init_tile_region;
 304                 engine->fb.set_tile_region      = nv40_fb_set_tile_region;
 305                 engine->fb.free_tile_region     = nv30_fb_free_tile_region;
 306                 engine->graph.init              = nv40_graph_init;
 307                 engine->graph.takedown          = nv40_graph_takedown;
 308                 engine->graph.fifo_access       = nv04_graph_fifo_access;
 309                 engine->graph.channel           = nv40_graph_channel;
 310                 engine->graph.create_context    = nv40_graph_create_context;
 311                 engine->graph.destroy_context   = nv40_graph_destroy_context;
 312                 engine->graph.load_context      = nv40_graph_load_context;
 313                 engine->graph.unload_context    = nv40_graph_unload_context;
 314                 engine->graph.set_tile_region   = nv40_graph_set_tile_region;
 315                 engine->fifo.channels           = 32;
 316                 engine->fifo.init               = nv40_fifo_init;
 317                 engine->fifo.takedown           = nv04_fifo_fini;
 318                 engine->fifo.disable            = nv04_fifo_disable;
 319                 engine->fifo.enable             = nv04_fifo_enable;
 320                 engine->fifo.reassign           = nv04_fifo_reassign;
 321                 engine->fifo.cache_pull         = nv04_fifo_cache_pull;
 322                 engine->fifo.channel_id         = nv10_fifo_channel_id;
 323                 engine->fifo.create_context     = nv40_fifo_create_context;
 324                 engine->fifo.destroy_context    = nv04_fifo_destroy_context;
 325                 engine->fifo.load_context       = nv40_fifo_load_context;
 326                 engine->fifo.unload_context     = nv40_fifo_unload_context;
 327                 engine->display.early_init      = nv04_display_early_init;
 328                 engine->display.late_takedown   = nv04_display_late_takedown;
 329                 engine->display.create          = nv04_display_create;
 330                 engine->display.init            = nv04_display_init;
 331                 engine->display.destroy         = nv04_display_destroy;
 332                 engine->gpio.init               = nouveau_stub_init;
 333                 engine->gpio.takedown           = nouveau_stub_takedown;
 334                 engine->gpio.get                = nv10_gpio_get;
 335                 engine->gpio.set                = nv10_gpio_set;
 336                 engine->gpio.irq_enable         = NULL;
 337                 engine->pm.clock_get            = nv04_pm_clock_get;
 338                 engine->pm.clock_pre            = nv04_pm_clock_pre;
 339                 engine->pm.clock_set            = nv04_pm_clock_set;
 340                 engine->pm.voltage_get          = nouveau_voltage_gpio_get;
 341                 engine->pm.voltage_set          = nouveau_voltage_gpio_set;
 342                 engine->pm.temp_get             = nv40_temp_get;
 343                 engine->crypt.init              = nouveau_stub_init;
 344                 engine->crypt.takedown          = nouveau_stub_takedown;
 345                 engine->vram.init               = nouveau_mem_detect;
 346                 engine->vram.flags_valid        = nouveau_mem_flags_valid;
 347                 break;
 348         case 0x50:
 349         case 0x80: /* gotta love NVIDIA's consistency.. */
 350         case 0x90:
 351         case 0xA0:
 352                 engine->instmem.init            = nv50_instmem_init;
 353                 engine->instmem.takedown        = nv50_instmem_takedown;
 354                 engine->instmem.suspend         = nv50_instmem_suspend;
 355                 engine->instmem.resume          = nv50_instmem_resume;
 356                 engine->instmem.get             = nv50_instmem_get;
 357                 engine->instmem.put             = nv50_instmem_put;
 358                 engine->instmem.map             = nv50_instmem_map;
 359                 engine->instmem.unmap           = nv50_instmem_unmap;
 360                 if (dev_priv->chipset == 0x50)
 361                         engine->instmem.flush   = nv50_instmem_flush;
 362                 else
 363                         engine->instmem.flush   = nv84_instmem_flush;
 364                 engine->mc.init                 = nv50_mc_init;
 365                 engine->mc.takedown             = nv50_mc_takedown;
 366                 engine->timer.init              = nv04_timer_init;
 367                 engine->timer.read              = nv04_timer_read;
 368                 engine->timer.takedown          = nv04_timer_takedown;
 369                 engine->fb.init                 = nv50_fb_init;
 370                 engine->fb.takedown             = nv50_fb_takedown;
 371                 engine->graph.init              = nv50_graph_init;
 372                 engine->graph.takedown          = nv50_graph_takedown;
 373                 engine->graph.fifo_access       = nv50_graph_fifo_access;
 374                 engine->graph.channel           = nv50_graph_channel;
 375                 engine->graph.create_context    = nv50_graph_create_context;
 376                 engine->graph.destroy_context   = nv50_graph_destroy_context;
 377                 engine->graph.load_context      = nv50_graph_load_context;
 378                 engine->graph.unload_context    = nv50_graph_unload_context;
 379                 if (dev_priv->chipset == 0x50 ||
 380                     dev_priv->chipset == 0xac)
 381                         engine->graph.tlb_flush = nv50_graph_tlb_flush;
 382                 else
 383                         engine->graph.tlb_flush = nv84_graph_tlb_flush;
 384                 engine->fifo.channels           = 128;
 385                 engine->fifo.init               = nv50_fifo_init;
 386                 engine->fifo.takedown           = nv50_fifo_takedown;
 387                 engine->fifo.disable            = nv04_fifo_disable;
 388                 engine->fifo.enable             = nv04_fifo_enable;
 389                 engine->fifo.reassign           = nv04_fifo_reassign;
 390                 engine->fifo.channel_id         = nv50_fifo_channel_id;
 391                 engine->fifo.create_context     = nv50_fifo_create_context;
 392                 engine->fifo.destroy_context    = nv50_fifo_destroy_context;
 393                 engine->fifo.load_context       = nv50_fifo_load_context;
 394                 engine->fifo.unload_context     = nv50_fifo_unload_context;
 395                 engine->fifo.tlb_flush          = nv50_fifo_tlb_flush;
 396                 engine->display.early_init      = nv50_display_early_init;
 397                 engine->display.late_takedown   = nv50_display_late_takedown;
 398                 engine->display.create          = nv50_display_create;
 399                 engine->display.init            = nv50_display_init;
 400                 engine->display.destroy         = nv50_display_destroy;
 401                 engine->gpio.init               = nv50_gpio_init;
 402                 engine->gpio.takedown           = nv50_gpio_fini;
 403                 engine->gpio.get                = nv50_gpio_get;
 404                 engine->gpio.set                = nv50_gpio_set;
 405                 engine->gpio.irq_register       = nv50_gpio_irq_register;
 406                 engine->gpio.irq_unregister     = nv50_gpio_irq_unregister;
 407                 engine->gpio.irq_enable         = nv50_gpio_irq_enable;
 408                 switch (dev_priv->chipset) {
 409                 case 0x84:
 410                 case 0x86:
 411                 case 0x92:
 412                 case 0x94:
 413                 case 0x96:
 414                 case 0x98:
 415                 case 0xa0:
 416                 case 0xaa:
 417                 case 0xac:
 418                 case 0x50:
 419                         engine->pm.clock_get    = nv50_pm_clock_get;
 420                         engine->pm.clock_pre    = nv50_pm_clock_pre;
 421                         engine->pm.clock_set    = nv50_pm_clock_set;
 422                         break;
 423                 default:
 424                         engine->pm.clock_get    = nva3_pm_clock_get;
 425                         engine->pm.clock_pre    = nva3_pm_clock_pre;
 426                         engine->pm.clock_set    = nva3_pm_clock_set;
 427                         break;
 428                 }
 429                 engine->pm.voltage_get          = nouveau_voltage_gpio_get;
 430                 engine->pm.voltage_set          = nouveau_voltage_gpio_set;
 431                 if (dev_priv->chipset >= 0x84)
 432                         engine->pm.temp_get     = nv84_temp_get;
 433                 else
 434                         engine->pm.temp_get     = nv40_temp_get;
 435                 switch (dev_priv->chipset) {
 436                 case 0x84:
 437                 case 0x86:
 438                 case 0x92:
 439                 case 0x94:
 440                 case 0x96:
 441                 case 0xa0:
 442                         engine->crypt.init      = nv84_crypt_init;
 443                         engine->crypt.takedown  = nv84_crypt_fini;
 444                         engine->crypt.create_context = nv84_crypt_create_context;
 445                         engine->crypt.destroy_context = nv84_crypt_destroy_context;
 446                         engine->crypt.tlb_flush = nv84_crypt_tlb_flush;
 447                         break;
 448                 default:
 449                         engine->crypt.init      = nouveau_stub_init;
 450                         engine->crypt.takedown  = nouveau_stub_takedown;
 451                         break;
 452                 }
 453                 engine->vram.init               = nv50_vram_init;
 454                 engine->vram.get                = nv50_vram_new;
 455                 engine->vram.put                = nv50_vram_del;
 456                 engine->vram.flags_valid        = nv50_vram_flags_valid;
 457                 break;
 458         case 0xC0:
 459                 engine->instmem.init            = nvc0_instmem_init;
 460                 engine->instmem.takedown        = nvc0_instmem_takedown;
 461                 engine->instmem.suspend         = nvc0_instmem_suspend;
 462                 engine->instmem.resume          = nvc0_instmem_resume;
 463                 engine->instmem.get             = nv50_instmem_get;
 464                 engine->instmem.put             = nv50_instmem_put;
 465                 engine->instmem.map             = nv50_instmem_map;
 466                 engine->instmem.unmap           = nv50_instmem_unmap;
 467                 engine->instmem.flush           = nv84_instmem_flush;
 468                 engine->mc.init                 = nv50_mc_init;
 469                 engine->mc.takedown             = nv50_mc_takedown;
 470                 engine->timer.init              = nv04_timer_init;
 471                 engine->timer.read              = nv04_timer_read;
 472                 engine->timer.takedown          = nv04_timer_takedown;
 473                 engine->fb.init                 = nvc0_fb_init;
 474                 engine->fb.takedown             = nvc0_fb_takedown;
 475                 engine->graph.init              = nvc0_graph_init;
 476                 engine->graph.takedown          = nvc0_graph_takedown;
 477                 engine->graph.fifo_access       = nvc0_graph_fifo_access;
 478                 engine->graph.channel           = nvc0_graph_channel;
 479                 engine->graph.create_context    = nvc0_graph_create_context;
 480                 engine->graph.destroy_context   = nvc0_graph_destroy_context;
 481                 engine->graph.load_context      = nvc0_graph_load_context;
 482                 engine->graph.unload_context    = nvc0_graph_unload_context;
 483                 engine->fifo.channels           = 128;
 484                 engine->fifo.init               = nvc0_fifo_init;
 485                 engine->fifo.takedown           = nvc0_fifo_takedown;
 486                 engine->fifo.disable            = nvc0_fifo_disable;
 487                 engine->fifo.enable             = nvc0_fifo_enable;
 488                 engine->fifo.reassign           = nvc0_fifo_reassign;
 489                 engine->fifo.channel_id         = nvc0_fifo_channel_id;
 490                 engine->fifo.create_context     = nvc0_fifo_create_context;
 491                 engine->fifo.destroy_context    = nvc0_fifo_destroy_context;
 492                 engine->fifo.load_context       = nvc0_fifo_load_context;
 493                 engine->fifo.unload_context     = nvc0_fifo_unload_context;
 494                 engine->display.early_init      = nv50_display_early_init;
 495                 engine->display.late_takedown   = nv50_display_late_takedown;
 496                 engine->display.create          = nv50_display_create;
 497                 engine->display.init            = nv50_display_init;
 498                 engine->display.destroy         = nv50_display_destroy;
 499                 engine->gpio.init               = nv50_gpio_init;
 500                 engine->gpio.takedown           = nouveau_stub_takedown;
 501                 engine->gpio.get                = nv50_gpio_get;
 502                 engine->gpio.set                = nv50_gpio_set;
 503                 engine->gpio.irq_register       = nv50_gpio_irq_register;
 504                 engine->gpio.irq_unregister     = nv50_gpio_irq_unregister;
 505                 engine->gpio.irq_enable         = nv50_gpio_irq_enable;
 506                 engine->crypt.init              = nouveau_stub_init;
 507                 engine->crypt.takedown          = nouveau_stub_takedown;
 508                 engine->vram.init               = nvc0_vram_init;
 509                 engine->vram.get                = nvc0_vram_new;
 510                 engine->vram.put                = nv50_vram_del;
 511                 engine->vram.flags_valid        = nvc0_vram_flags_valid;
 512                 break;
 513         default:
 514                 NV_ERROR(dev, "NV%02x unsupported\n", dev_priv->chipset);
 515                 return 1;
 516         }
 517
 518         return 0;
 519 }
 520
 521 static unsigned int
 522 nouveau_vga_set_decode(void *priv, bool state)
 523 {
 524         struct drm_device *dev = priv;
 525         struct drm_nouveau_private *dev_priv = dev->dev_private;
 526
 527         if (dev_priv->chipset >= 0x40)
 528                 nv_wr32(dev, 0x88054, state);
 529         else
 530                 nv_wr32(dev, 0x1854, state);
 531
 532         if (state)
 533                 return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM |
 534                        VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
 535         else
 536                 return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
 537 }
 538
 539 static int
 540 nouveau_card_init_channel(struct drm_device *dev)
 541 {
 542         struct drm_nouveau_private *dev_priv = dev->dev_private;
 543         int ret;
 544
 545         ret = nouveau_channel_alloc(dev, &dev_priv->channel,
 546                                     (struct drm_file *)-2, NvDmaFB, NvDmaTT);
 547         if (ret)
 548                 return ret;
 549
 550         mutex_unlock(&dev_priv->channel->mutex);
 551         return 0;
 552 }
 553
 554 static void nouveau_switcheroo_set_state(struct pci_dev *pdev,
 555                                          enum vga_switcheroo_state state)
 556 {
 557         struct drm_device *dev = pci_get_drvdata(pdev);
 558         pm_message_t pmm = { .event = PM_EVENT_SUSPEND };
 559         if (state == VGA_SWITCHEROO_ON) {
 560                 printk(KERN_ERR "VGA switcheroo: switched nouveau on\n");
 561                 dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
 562                 nouveau_pci_resume(pdev);
 563                 drm_kms_helper_poll_enable(dev);
 564                 dev->switch_power_state = DRM_SWITCH_POWER_ON;
 565         } else {
 566                 printk(KERN_ERR "VGA switcheroo: switched nouveau off\n");
 567                 dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
 568                 drm_kms_helper_poll_disable(dev);
 569                 nouveau_pci_suspend(pdev, pmm);
 570                 dev->switch_power_state = DRM_SWITCH_POWER_OFF;
 571         }
 572 }
 573
 574 static void nouveau_switcheroo_reprobe(struct pci_dev *pdev)
 575 {
 576         struct drm_device *dev = pci_get_drvdata(pdev);
 577         nouveau_fbcon_output_poll_changed(dev);
 578 }
 579
 580 static bool nouveau_switcheroo_can_switch(struct pci_dev *pdev)
 581 {
 582         struct drm_device *dev = pci_get_drvdata(pdev);
 583         bool can_switch;
 584
 585         spin_lock(&dev->count_lock);
 586         can_switch = (dev->open_count == 0);
 587         spin_unlock(&dev->count_lock);
 588         return can_switch;
 589 }
 590
 591 int
 592 nouveau_card_init(struct drm_device *dev)
 593 {
 594         struct drm_nouveau_private *dev_priv = dev->dev_private;
 595         struct nouveau_engine *engine;
 596         int ret;
 597
 598         vga_client_register(dev->pdev, dev, NULL, nouveau_vga_set_decode);
 599         vga_switcheroo_register_client(dev->pdev, nouveau_switcheroo_set_state,
 600                                        nouveau_switcheroo_reprobe,
 601                                        nouveau_switcheroo_can_switch);
 602
 603         /* Initialise internal driver API hooks */
 604         ret = nouveau_init_engine_ptrs(dev);
 605         if (ret)
 606                 goto out;
 607         engine = &dev_priv->engine;
 608         spin_lock_init(&dev_priv->channels.lock);
 609         spin_lock_init(&dev_priv->tile.lock);
 610         spin_lock_init(&dev_priv->context_switch_lock);
 611         spin_lock_init(&dev_priv->vm_lock);
 612
 613         /* Make the CRTCs and I2C buses accessible */
 614         ret = engine->display.early_init(dev);
 615         if (ret)
 616                 goto out;
 617
 618         /* Parse BIOS tables / Run init tables if card not POSTed */
 619         ret = nouveau_bios_init(dev);
 620         if (ret)
 621                 goto out_display_early;
 622
 623         nouveau_pm_init(dev);
 624
 625         ret = nouveau_mem_vram_init(dev);
 626         if (ret)
 627                 goto out_bios;
 628
 629         ret = nouveau_gpuobj_init(dev);
 630         if (ret)
 631                 goto out_vram;
 632
 633         ret = engine->instmem.init(dev);
 634         if (ret)
 635                 goto out_gpuobj;
 636
 637         ret = nouveau_mem_gart_init(dev);
 638         if (ret)
 639                 goto out_instmem;
 640
 641         /* PMC */
 642         ret = engine->mc.init(dev);
 643         if (ret)
 644                 goto out_gart;
 645
 646         /* PGPIO */
 647         ret = engine->gpio.init(dev);
 648         if (ret)
 649                 goto out_mc;
 650
 651         /* PTIMER */
 652         ret = engine->timer.init(dev);
 653         if (ret)
 654                 goto out_gpio;
 655
 656         /* PFB */
 657         ret = engine->fb.init(dev);
 658         if (ret)
 659                 goto out_timer;
 660
 661         if (nouveau_noaccel)
 662                 engine->graph.accel_blocked = true;
 663         else {
 664                 /* PGRAPH */
 665                 ret = engine->graph.init(dev);
 666                 if (ret)
 667                         goto out_fb;
 668
 669                 /* PCRYPT */
 670                 ret = engine->crypt.init(dev);
 671                 if (ret)
 672                         goto out_graph;
 673
 674                 /* PFIFO */
 675                 ret = engine->fifo.init(dev);
 676                 if (ret)
 677                         goto out_crypt;
 678         }
 679
 680         ret = engine->display.create(dev);
 681         if (ret)
 682                 goto out_fifo;
 683
 684         ret = drm_vblank_init(dev, nv_two_heads(dev) ? 2 : 1);
 685         if (ret)
 686                 goto out_vblank;
 687
 688         ret = nouveau_irq_init(dev);
 689         if (ret)
 690                 goto out_vblank;
 691
 692         /* what about PVIDEO/PCRTC/PRAMDAC etc? */
 693
 694         if (!engine->graph.accel_blocked) {
 695                 ret = nouveau_fence_init(dev);
 696                 if (ret)
 697                         goto out_irq;
 698
 699                 ret = nouveau_card_init_channel(dev);
 700                 if (ret)
 701                         goto out_fence;
 702         }
 703
 704         nouveau_fbcon_init(dev);
 705         drm_kms_helper_poll_init(dev);
 706         return 0;
 707
 708 out_fence:
 709         nouveau_fence_fini(dev);
 710 out_irq:
 711         nouveau_irq_fini(dev);
 712 out_vblank:
 713         drm_vblank_cleanup(dev);
 714         engine->display.destroy(dev);
 715 out_fifo:
 716         if (!nouveau_noaccel)
 717                 engine->fifo.takedown(dev);
 718 out_crypt:
 719         if (!nouveau_noaccel)
 720                 engine->crypt.takedown(dev);
 721 out_graph:
 722         if (!nouveau_noaccel)
 723                 engine->graph.takedown(dev);
 724 out_fb:
 725         engine->fb.takedown(dev);
 726 out_timer:
 727         engine->timer.takedown(dev);
 728 out_gpio:
 729         engine->gpio.takedown(dev);
 730 out_mc:
 731         engine->mc.takedown(dev);
 732 out_gart:
 733         nouveau_mem_gart_fini(dev);
 734 out_instmem:
 735         engine->instmem.takedown(dev);
 736 out_gpuobj:
 737         nouveau_gpuobj_takedown(dev);
 738 out_vram:
 739         nouveau_mem_vram_fini(dev);
 740 out_bios:
 741         nouveau_pm_fini(dev);
 742         nouveau_bios_takedown(dev);
 743 out_display_early:
 744         engine->display.late_takedown(dev);
 745 out:
 746         vga_client_register(dev->pdev, NULL, NULL, NULL);
 747         return ret;
 748 }
 749
 750 static void nouveau_card_takedown(struct drm_device *dev)
 751 {
 752         struct drm_nouveau_private *dev_priv = dev->dev_private;
 753         struct nouveau_engine *engine = &dev_priv->engine;
 754
 755         if (!engine->graph.accel_blocked) {
 756                 nouveau_fence_fini(dev);
 757                 nouveau_channel_put_unlocked(&dev_priv->channel);
 758         }
 759
 760         if (!nouveau_noaccel) {
 761                 engine->fifo.takedown(dev);
 762                 engine->crypt.takedown(dev);
 763                 engine->graph.takedown(dev);
 764         }
 765         engine->fb.takedown(dev);
 766         engine->timer.takedown(dev);
 767         engine->gpio.takedown(dev);
 768         engine->mc.takedown(dev);
 769         engine->display.late_takedown(dev);
 770
 771         mutex_lock(&dev->struct_mutex);
 772         ttm_bo_clean_mm(&dev_priv->ttm.bdev, TTM_PL_VRAM);
 773         ttm_bo_clean_mm(&dev_priv->ttm.bdev, TTM_PL_TT);
 774         mutex_unlock(&dev->struct_mutex);
 775         nouveau_mem_gart_fini(dev);
 776
 777         engine->instmem.takedown(dev);
 778         nouveau_gpuobj_takedown(dev);
 779         nouveau_mem_vram_fini(dev);
 780
 781         nouveau_irq_fini(dev);
 782         drm_vblank_cleanup(dev);
 783
 784         nouveau_pm_fini(dev);
 785         nouveau_bios_takedown(dev);
 786
 787         vga_client_register(dev->pdev, NULL, NULL, NULL);
 788 }
 789
 790 /* here a client dies, release the stuff that was allocated for its
 791  * file_priv */
 792 void nouveau_preclose(struct drm_device *dev, struct drm_file *file_priv)
 793 {
 794         nouveau_channel_cleanup(dev, file_priv);
 795 }
 796
 797 /* first module load, setup the mmio/fb mapping */
 798 /* KMS: we need mmio at load time, not when the first drm client opens. */
 799 int nouveau_firstopen(struct drm_device *dev)
 800 {
 801         return 0;
 802 }
 803
 804 /* if we have an OF card, copy vbios to RAMIN */
 805 static void nouveau_OF_copy_vbios_to_ramin(struct drm_device *dev)
 806 {
 807 #if defined(__powerpc__)
 808         int size, i;
 809         const uint32_t *bios;
 810         struct device_node *dn = pci_device_to_OF_node(dev->pdev);
 811         if (!dn) {
 812                 NV_INFO(dev, "Unable to get the OF node\n");
 813                 return;
 814         }
 815
 816         bios = of_get_property(dn, "NVDA,BMP", &size);
 817         if (bios) {
 818                 for (i = 0; i < size; i += 4)
 819                         nv_wi32(dev, i, bios[i/4]);
 820                 NV_INFO(dev, "OF bios successfully copied (%d bytes)\n", size);
 821         } else {
 822                 NV_INFO(dev, "Unable to get the OF bios\n");
 823         }
 824 #endif
 825 }
 826
 827 static struct apertures_struct *nouveau_get_apertures(struct drm_device *dev)
 828 {
 829         struct pci_dev *pdev = dev->pdev;
 830         struct apertures_struct *aper = alloc_apertures(3);
 831         if (!aper)
 832                 return NULL;
 833
 834         aper->ranges[0].base = pci_resource_start(pdev, 1);
 835         aper->ranges[0].size = pci_resource_len(pdev, 1);
 836         aper->count = 1;
 837
 838         if (pci_resource_len(pdev, 2)) {
 839                 aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
 840                 aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
 841                 aper->count++;
 842         }
 843
 844         if (pci_resource_len(pdev, 3)) {
 845                 aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
 846                 aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
 847                 aper->count++;
 848         }
 849
 850         return aper;
 851 }
 852
 853 static int nouveau_remove_conflicting_drivers(struct drm_device *dev)
 854 {
 855         struct drm_nouveau_private *dev_priv = dev->dev_private;
 856         bool primary = false;
 857         dev_priv->apertures = nouveau_get_apertures(dev);
 858         if (!dev_priv->apertures)
 859                 return -ENOMEM;
 860
 861 #ifdef CONFIG_X86
 862         primary = dev->pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
 863 #endif
 864
 865         remove_conflicting_framebuffers(dev_priv->apertures, "nouveaufb", primary);
 866         return 0;
 867 }
 868
 869 int nouveau_load(struct drm_device *dev, unsigned long flags)
 870 {
 871         struct drm_nouveau_private *dev_priv;
 872         uint32_t reg0;
 873         resource_size_t mmio_start_offs;
 874         int ret;
 875
 876         dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
 877         if (!dev_priv) {
 878                 ret = -ENOMEM;
 879                 goto err_out;
 880         }
 881         dev->dev_private = dev_priv;
 882         dev_priv->dev = dev;
 883
 884         dev_priv->flags = flags & NOUVEAU_FLAGS;
 885
 886         NV_DEBUG(dev, "vendor: 0x%X device: 0x%X class: 0x%X\n",
 887                  dev->pci_vendor, dev->pci_device, dev->pdev->class);
 888
 889         /* resource 0 is mmio regs */
 890         /* resource 1 is linear FB */
 891         /* resource 2 is RAMIN (mmio regs + 0x1000000) */
 892         /* resource 6 is bios */
 893
 894         /* map the mmio regs */
 895         mmio_start_offs = pci_resource_start(dev->pdev, 0);
 896         dev_priv->mmio = ioremap(mmio_start_offs, 0x00800000);
 897         if (!dev_priv->mmio) {
 898                 NV_ERROR(dev, "Unable to initialize the mmio mapping. "
 899                          "Please report your setup to " DRIVER_EMAIL "\n");
 900                 ret = -EINVAL;
 901                 goto err_priv;
 902         }
 903         NV_DEBUG(dev, "regs mapped ok at 0x%llx\n",
 904                                         (unsigned long long)mmio_start_offs);
 905
 906 #ifdef __BIG_ENDIAN
 907         /* Put the card in BE mode if it's not */
 908         if (nv_rd32(dev, NV03_PMC_BOOT_1))
 909                 nv_wr32(dev, NV03_PMC_BOOT_1, 0x00000001);
 910
 911         DRM_MEMORYBARRIER();
 912 #endif
 913
 914         /* Time to determine the card architecture */
 915         reg0 = nv_rd32(dev, NV03_PMC_BOOT_0);
 916
 917         /* We're dealing with >=NV10 */
 918         if ((reg0 & 0x0f000000) > 0) {
 919                 /* Bit 27-20 contain the architecture in hex */
 920                 dev_priv->chipset = (reg0 & 0xff00000) >> 20;
 921         /* NV04 or NV05 */
 922         } else if ((reg0 & 0xff00fff0) == 0x20004000) {
 923                 if (reg0 & 0x00f00000)
 924                         dev_priv->chipset = 0x05;
 925                 else
 926                         dev_priv->chipset = 0x04;
 927         } else
 928                 dev_priv->chipset = 0xff;
 929
 930         switch (dev_priv->chipset & 0xf0) {
 931         case 0x00:
 932         case 0x10:
 933         case 0x20:
 934         case 0x30:
 935                 dev_priv->card_type = dev_priv->chipset & 0xf0;
 936                 break;
 937         case 0x40:
 938         case 0x60:
 939                 dev_priv->card_type = NV_40;
 940                 break;
 941         case 0x50:
 942         case 0x80:
 943         case 0x90:
 944         case 0xa0:
 945                 dev_priv->card_type = NV_50;
 946                 break;
 947         case 0xc0:
 948                 dev_priv->card_type = NV_C0;
 949                 break;
 950         default:
 951                 NV_INFO(dev, "Unsupported chipset 0x%08x\n", reg0);
 952                 ret = -EINVAL;
 953                 goto err_mmio;
 954         }
 955
 956         NV_INFO(dev, "Detected an NV%2x generation card (0x%08x)\n",
 957                 dev_priv->card_type, reg0);
 958
 959         ret = nouveau_remove_conflicting_drivers(dev);
 960         if (ret)
 961                 goto err_mmio;
 962
 963         /* Map PRAMIN BAR, or on older cards, the aperture within BAR0 */
 964         if (dev_priv->card_type >= NV_40) {
 965                 int ramin_bar = 2;
 966                 if (pci_resource_len(dev->pdev, ramin_bar) == 0)
 967                         ramin_bar = 3;
 968
 969                 dev_priv->ramin_size = pci_resource_len(dev->pdev, ramin_bar);
 970                 dev_priv->ramin =
 971                         ioremap(pci_resource_start(dev->pdev, ramin_bar),
 972                                 dev_priv->ramin_size);
 973                 if (!dev_priv->ramin) {
 974                         NV_ERROR(dev, "Failed to PRAMIN BAR");
 975                         ret = -ENOMEM;
 976                         goto err_mmio;
 977                 }
 978         } else {
 979                 dev_priv->ramin_size = 1 * 1024 * 1024;
 980                 dev_priv->ramin = ioremap(mmio_start_offs + NV_RAMIN,
 981                                           dev_priv->ramin_size);
 982                 if (!dev_priv->ramin) {
 983                         NV_ERROR(dev, "Failed to map BAR0 PRAMIN.\n");
 984                         ret = -ENOMEM;
 985                         goto err_mmio;
 986                 }
 987         }
 988
 989         nouveau_OF_copy_vbios_to_ramin(dev);
 990
 991         /* Special flags */
 992         if (dev->pci_device == 0x01a0)
 993                 dev_priv->flags |= NV_NFORCE;
 994         else if (dev->pci_device == 0x01f0)
 995                 dev_priv->flags |= NV_NFORCE2;
 996
 997         /* For kernel modesetting, init card now and bring up fbcon */
 998         ret = nouveau_card_init(dev);
 999         if (ret)
1000                 goto err_ramin;
1001
1002         return 0;
1003
1004 err_ramin:
1005         iounmap(dev_priv->ramin);
1006 err_mmio:
1007         iounmap(dev_priv->mmio);
1008 err_priv:
1009         kfree(dev_priv);
1010         dev->dev_private = NULL;
1011 err_out:
1012         return ret;
1013 }
1014
1015 void nouveau_lastclose(struct drm_device *dev)
1016 {
1017         vga_switcheroo_process_delayed_switch();
1018 }
1019
1020 int nouveau_unload(struct drm_device *dev)
1021 {
1022         struct drm_nouveau_private *dev_priv = dev->dev_private;
1023         struct nouveau_engine *engine = &dev_priv->engine;
1024
1025         drm_kms_helper_poll_fini(dev);
1026         nouveau_fbcon_fini(dev);
1027         engine->display.destroy(dev);
1028         nouveau_card_takedown(dev);
1029
1030         iounmap(dev_priv->mmio);
1031         iounmap(dev_priv->ramin);
1032
1033         kfree(dev_priv);
1034         dev->dev_private = NULL;
1035         return 0;
1036 }
1037
1038 int nouveau_ioctl_getparam(struct drm_device *dev, void *data,
1039                                                 struct drm_file *file_priv)
1040 {
1041         struct drm_nouveau_private *dev_priv = dev->dev_private;
1042         struct drm_nouveau_getparam *getparam = data;
1043
1044         switch (getparam->param) {
1045         case NOUVEAU_GETPARAM_CHIPSET_ID:
1046                 getparam->value = dev_priv->chipset;
1047                 break;
1048         case NOUVEAU_GETPARAM_PCI_VENDOR:
1049                 getparam->value = dev->pci_vendor;
1050                 break;
1051         case NOUVEAU_GETPARAM_PCI_DEVICE:
1052                 getparam->value = dev->pci_device;
1053                 break;
1054         case NOUVEAU_GETPARAM_BUS_TYPE:
1055                 if (drm_pci_device_is_agp(dev))
1056                         getparam->value = NV_AGP;
1057                 else if (drm_pci_device_is_pcie(dev))
1058                         getparam->value = NV_PCIE;
1059                 else
1060                         getparam->value = NV_PCI;
1061                 break;
1062         case NOUVEAU_GETPARAM_FB_SIZE:
1063                 getparam->value = dev_priv->fb_available_size;
1064                 break;
1065         case NOUVEAU_GETPARAM_AGP_SIZE:
1066                 getparam->value = dev_priv->gart_info.aper_size;
1067                 break;
1068         case NOUVEAU_GETPARAM_VM_VRAM_BASE:
1069                 getparam->value = 0; /* deprecated */
1070                 break;
1071         case NOUVEAU_GETPARAM_PTIMER_TIME:
1072                 getparam->value = dev_priv->engine.timer.read(dev);
1073                 break;
1074         case NOUVEAU_GETPARAM_HAS_BO_USAGE:
1075                 getparam->value = 1;
1076                 break;
1077         case NOUVEAU_GETPARAM_HAS_PAGEFLIP:
1078                 getparam->value = 1;
1079                 break;
1080         case NOUVEAU_GETPARAM_GRAPH_UNITS:
1081                 /* NV40 and NV50 versions are quite different, but register
1082                  * address is the same. User is supposed to know the card
1083                  * family anyway... */
1084                 if (dev_priv->chipset >= 0x40) {
1085                         getparam->value = nv_rd32(dev, NV40_PMC_GRAPH_UNITS);
1086                         break;
1087                 }
1088                 /* FALLTHRU */
1089         default:
1090                 NV_DEBUG(dev, "unknown parameter %lld\n", getparam->param);
1091                 return -EINVAL;
1092         }
1093
1094         return 0;
1095 }
1096
1097 int
1098 nouveau_ioctl_setparam(struct drm_device *dev, void *data,
1099                        struct drm_file *file_priv)
1100 {
1101         struct drm_nouveau_setparam *setparam = data;
1102
1103         switch (setparam->param) {
1104         default:
1105                 NV_DEBUG(dev, "unknown parameter %lld\n", setparam->param);
1106                 return -EINVAL;
1107         }
1108
1109         return 0;
1110 }
1111
1112 /* Wait until (value(reg) & mask) == val, up until timeout has hit */
1113 bool
1114 nouveau_wait_eq(struct drm_device *dev, uint64_t timeout,
1115                 uint32_t reg, uint32_t mask, uint32_t val)
1116 {
1117         struct drm_nouveau_private *dev_priv = dev->dev_private;
1118         struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
1119         uint64_t start = ptimer->read(dev);
1120
1121         do {
1122                 if ((nv_rd32(dev, reg) & mask) == val)
1123                         return true;
1124         } while (ptimer->read(dev) - start < timeout);
1125
1126         return false;
1127 }
1128
1129 /* Wait until (value(reg) & mask) != val, up until timeout has hit */
1130 bool
1131 nouveau_wait_ne(struct drm_device *dev, uint64_t timeout,
1132                 uint32_t reg, uint32_t mask, uint32_t val)
1133 {
1134         struct drm_nouveau_private *dev_priv = dev->dev_private;
1135         struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
1136         uint64_t start = ptimer->read(dev);
1137
1138         do {
1139                 if ((nv_rd32(dev, reg) & mask) != val)
1140                         return true;
1141         } while (ptimer->read(dev) - start < timeout);
1142
1143         return false;
1144 }
1145
1146 /* Waits for PGRAPH to go completely idle */
1147 bool nouveau_wait_for_idle(struct drm_device *dev)
1148 {
1149         struct drm_nouveau_private *dev_priv = dev->dev_private;
1150         uint32_t mask = ~0;
1151
1152         if (dev_priv->card_type == NV_40)
1153                 mask &= ~NV40_PGRAPH_STATUS_SYNC_STALL;
1154
1155         if (!nv_wait(dev, NV04_PGRAPH_STATUS, mask, 0)) {
1156                 NV_ERROR(dev, "PGRAPH idle timed out with status 0x%08x\n",
1157                          nv_rd32(dev, NV04_PGRAPH_STATUS));
1158                 return false;
1159         }
1160
1161         return true;
1162 }
1163