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->fifo.channels           = 16;
  69                 engine->fifo.init               = nv04_fifo_init;
  70                 engine->fifo.takedown           = nv04_fifo_fini;
  71                 engine->fifo.disable            = nv04_fifo_disable;
  72                 engine->fifo.enable             = nv04_fifo_enable;
  73                 engine->fifo.reassign           = nv04_fifo_reassign;
  74                 engine->fifo.cache_pull         = nv04_fifo_cache_pull;
  75                 engine->fifo.channel_id         = nv04_fifo_channel_id;
  76                 engine->fifo.create_context     = nv04_fifo_create_context;
  77                 engine->fifo.destroy_context    = nv04_fifo_destroy_context;
  78                 engine->fifo.load_context       = nv04_fifo_load_context;
  79                 engine->fifo.unload_context     = nv04_fifo_unload_context;
  80                 engine->display.early_init      = nv04_display_early_init;
  81                 engine->display.late_takedown   = nv04_display_late_takedown;
  82                 engine->display.create          = nv04_display_create;
  83                 engine->display.init            = nv04_display_init;
  84                 engine->display.destroy         = nv04_display_destroy;
  85                 engine->gpio.init               = nouveau_stub_init;
  86                 engine->gpio.takedown           = nouveau_stub_takedown;
  87                 engine->gpio.get                = NULL;
  88                 engine->gpio.set                = NULL;
  89                 engine->gpio.irq_enable         = NULL;
  90                 engine->pm.clock_get            = nv04_pm_clock_get;
  91                 engine->pm.clock_pre            = nv04_pm_clock_pre;
  92                 engine->pm.clock_set            = nv04_pm_clock_set;
  93                 engine->vram.init               = nouveau_mem_detect;
  94                 engine->vram.takedown           = nouveau_stub_takedown;
  95                 engine->vram.flags_valid        = nouveau_mem_flags_valid;
  96                 break;
  97         case 0x10:
  98                 engine->instmem.init            = nv04_instmem_init;
  99                 engine->instmem.takedown        = nv04_instmem_takedown;
 100                 engine->instmem.suspend         = nv04_instmem_suspend;
 101                 engine->instmem.resume          = nv04_instmem_resume;
 102                 engine->instmem.get             = nv04_instmem_get;
 103                 engine->instmem.put             = nv04_instmem_put;
 104                 engine->instmem.map             = nv04_instmem_map;
 105                 engine->instmem.unmap           = nv04_instmem_unmap;
 106                 engine->instmem.flush           = nv04_instmem_flush;
 107                 engine->mc.init                 = nv04_mc_init;
 108                 engine->mc.takedown             = nv04_mc_takedown;
 109                 engine->timer.init              = nv04_timer_init;
 110                 engine->timer.read              = nv04_timer_read;
 111                 engine->timer.takedown          = nv04_timer_takedown;
 112                 engine->fb.init                 = nv10_fb_init;
 113                 engine->fb.takedown             = nv10_fb_takedown;
 114                 engine->fb.init_tile_region     = nv10_fb_init_tile_region;
 115                 engine->fb.set_tile_region      = nv10_fb_set_tile_region;
 116                 engine->fb.free_tile_region     = nv10_fb_free_tile_region;
 117                 engine->fifo.channels           = 32;
 118                 engine->fifo.init               = nv10_fifo_init;
 119                 engine->fifo.takedown           = nv04_fifo_fini;
 120                 engine->fifo.disable            = nv04_fifo_disable;
 121                 engine->fifo.enable             = nv04_fifo_enable;
 122                 engine->fifo.reassign           = nv04_fifo_reassign;
 123                 engine->fifo.cache_pull         = nv04_fifo_cache_pull;
 124                 engine->fifo.channel_id         = nv10_fifo_channel_id;
 125                 engine->fifo.create_context     = nv10_fifo_create_context;
 126                 engine->fifo.destroy_context    = nv04_fifo_destroy_context;
 127                 engine->fifo.load_context       = nv10_fifo_load_context;
 128                 engine->fifo.unload_context     = nv10_fifo_unload_context;
 129                 engine->display.early_init      = nv04_display_early_init;
 130                 engine->display.late_takedown   = nv04_display_late_takedown;
 131                 engine->display.create          = nv04_display_create;
 132                 engine->display.init            = nv04_display_init;
 133                 engine->display.destroy         = nv04_display_destroy;
 134                 engine->gpio.init               = nouveau_stub_init;
 135                 engine->gpio.takedown           = nouveau_stub_takedown;
 136                 engine->gpio.get                = nv10_gpio_get;
 137                 engine->gpio.set                = nv10_gpio_set;
 138                 engine->gpio.irq_enable         = NULL;
 139                 engine->pm.clock_get            = nv04_pm_clock_get;
 140                 engine->pm.clock_pre            = nv04_pm_clock_pre;
 141                 engine->pm.clock_set            = nv04_pm_clock_set;
 142                 engine->vram.init               = nouveau_mem_detect;
 143                 engine->vram.takedown           = nouveau_stub_takedown;
 144                 engine->vram.flags_valid        = nouveau_mem_flags_valid;
 145                 break;
 146         case 0x20:
 147                 engine->instmem.init            = nv04_instmem_init;
 148                 engine->instmem.takedown        = nv04_instmem_takedown;
 149                 engine->instmem.suspend         = nv04_instmem_suspend;
 150                 engine->instmem.resume          = nv04_instmem_resume;
 151                 engine->instmem.get             = nv04_instmem_get;
 152                 engine->instmem.put             = nv04_instmem_put;
 153                 engine->instmem.map             = nv04_instmem_map;
 154                 engine->instmem.unmap           = nv04_instmem_unmap;
 155                 engine->instmem.flush           = nv04_instmem_flush;
 156                 engine->mc.init                 = nv04_mc_init;
 157                 engine->mc.takedown             = nv04_mc_takedown;
 158                 engine->timer.init              = nv04_timer_init;
 159                 engine->timer.read              = nv04_timer_read;
 160                 engine->timer.takedown          = nv04_timer_takedown;
 161                 engine->fb.init                 = nv10_fb_init;
 162                 engine->fb.takedown             = nv10_fb_takedown;
 163                 engine->fb.init_tile_region     = nv10_fb_init_tile_region;
 164                 engine->fb.set_tile_region      = nv10_fb_set_tile_region;
 165                 engine->fb.free_tile_region     = nv10_fb_free_tile_region;
 166                 engine->fifo.channels           = 32;
 167                 engine->fifo.init               = nv10_fifo_init;
 168                 engine->fifo.takedown           = nv04_fifo_fini;
 169                 engine->fifo.disable            = nv04_fifo_disable;
 170                 engine->fifo.enable             = nv04_fifo_enable;
 171                 engine->fifo.reassign           = nv04_fifo_reassign;
 172                 engine->fifo.cache_pull         = nv04_fifo_cache_pull;
 173                 engine->fifo.channel_id         = nv10_fifo_channel_id;
 174                 engine->fifo.create_context     = nv10_fifo_create_context;
 175                 engine->fifo.destroy_context    = nv04_fifo_destroy_context;
 176                 engine->fifo.load_context       = nv10_fifo_load_context;
 177                 engine->fifo.unload_context     = nv10_fifo_unload_context;
 178                 engine->display.early_init      = nv04_display_early_init;
 179                 engine->display.late_takedown   = nv04_display_late_takedown;
 180                 engine->display.create          = nv04_display_create;
 181                 engine->display.init            = nv04_display_init;
 182                 engine->display.destroy         = nv04_display_destroy;
 183                 engine->gpio.init               = nouveau_stub_init;
 184                 engine->gpio.takedown           = nouveau_stub_takedown;
 185                 engine->gpio.get                = nv10_gpio_get;
 186                 engine->gpio.set                = nv10_gpio_set;
 187                 engine->gpio.irq_enable         = NULL;
 188                 engine->pm.clock_get            = nv04_pm_clock_get;
 189                 engine->pm.clock_pre            = nv04_pm_clock_pre;
 190                 engine->pm.clock_set            = nv04_pm_clock_set;
 191                 engine->vram.init               = nouveau_mem_detect;
 192                 engine->vram.takedown           = nouveau_stub_takedown;
 193                 engine->vram.flags_valid        = nouveau_mem_flags_valid;
 194                 break;
 195         case 0x30:
 196                 engine->instmem.init            = nv04_instmem_init;
 197                 engine->instmem.takedown        = nv04_instmem_takedown;
 198                 engine->instmem.suspend         = nv04_instmem_suspend;
 199                 engine->instmem.resume          = nv04_instmem_resume;
 200                 engine->instmem.get             = nv04_instmem_get;
 201                 engine->instmem.put             = nv04_instmem_put;
 202                 engine->instmem.map             = nv04_instmem_map;
 203                 engine->instmem.unmap           = nv04_instmem_unmap;
 204                 engine->instmem.flush           = nv04_instmem_flush;
 205                 engine->mc.init                 = nv04_mc_init;
 206                 engine->mc.takedown             = nv04_mc_takedown;
 207                 engine->timer.init              = nv04_timer_init;
 208                 engine->timer.read              = nv04_timer_read;
 209                 engine->timer.takedown          = nv04_timer_takedown;
 210                 engine->fb.init                 = nv30_fb_init;
 211                 engine->fb.takedown             = nv30_fb_takedown;
 212                 engine->fb.init_tile_region     = nv30_fb_init_tile_region;
 213                 engine->fb.set_tile_region      = nv10_fb_set_tile_region;
 214                 engine->fb.free_tile_region     = nv30_fb_free_tile_region;
 215                 engine->fifo.channels           = 32;
 216                 engine->fifo.init               = nv10_fifo_init;
 217                 engine->fifo.takedown           = nv04_fifo_fini;
 218                 engine->fifo.disable            = nv04_fifo_disable;
 219                 engine->fifo.enable             = nv04_fifo_enable;
 220                 engine->fifo.reassign           = nv04_fifo_reassign;
 221                 engine->fifo.cache_pull         = nv04_fifo_cache_pull;
 222                 engine->fifo.channel_id         = nv10_fifo_channel_id;
 223                 engine->fifo.create_context     = nv10_fifo_create_context;
 224                 engine->fifo.destroy_context    = nv04_fifo_destroy_context;
 225                 engine->fifo.load_context       = nv10_fifo_load_context;
 226                 engine->fifo.unload_context     = nv10_fifo_unload_context;
 227                 engine->display.early_init      = nv04_display_early_init;
 228                 engine->display.late_takedown   = nv04_display_late_takedown;
 229                 engine->display.create          = nv04_display_create;
 230                 engine->display.init            = nv04_display_init;
 231                 engine->display.destroy         = nv04_display_destroy;
 232                 engine->gpio.init               = nouveau_stub_init;
 233                 engine->gpio.takedown           = nouveau_stub_takedown;
 234                 engine->gpio.get                = nv10_gpio_get;
 235                 engine->gpio.set                = nv10_gpio_set;
 236                 engine->gpio.irq_enable         = NULL;
 237                 engine->pm.clock_get            = nv04_pm_clock_get;
 238                 engine->pm.clock_pre            = nv04_pm_clock_pre;
 239                 engine->pm.clock_set            = nv04_pm_clock_set;
 240                 engine->pm.voltage_get          = nouveau_voltage_gpio_get;
 241                 engine->pm.voltage_set          = nouveau_voltage_gpio_set;
 242                 engine->vram.init               = nouveau_mem_detect;
 243                 engine->vram.takedown           = nouveau_stub_takedown;
 244                 engine->vram.flags_valid        = nouveau_mem_flags_valid;
 245                 break;
 246         case 0x40:
 247         case 0x60:
 248                 engine->instmem.init            = nv04_instmem_init;
 249                 engine->instmem.takedown        = nv04_instmem_takedown;
 250                 engine->instmem.suspend         = nv04_instmem_suspend;
 251                 engine->instmem.resume          = nv04_instmem_resume;
 252                 engine->instmem.get             = nv04_instmem_get;
 253                 engine->instmem.put             = nv04_instmem_put;
 254                 engine->instmem.map             = nv04_instmem_map;
 255                 engine->instmem.unmap           = nv04_instmem_unmap;
 256                 engine->instmem.flush           = nv04_instmem_flush;
 257                 engine->mc.init                 = nv40_mc_init;
 258                 engine->mc.takedown             = nv40_mc_takedown;
 259                 engine->timer.init              = nv04_timer_init;
 260                 engine->timer.read              = nv04_timer_read;
 261                 engine->timer.takedown          = nv04_timer_takedown;
 262                 engine->fb.init                 = nv40_fb_init;
 263                 engine->fb.takedown             = nv40_fb_takedown;
 264                 engine->fb.init_tile_region     = nv30_fb_init_tile_region;
 265                 engine->fb.set_tile_region      = nv40_fb_set_tile_region;
 266                 engine->fb.free_tile_region     = nv30_fb_free_tile_region;
 267                 engine->fifo.channels           = 32;
 268                 engine->fifo.init               = nv40_fifo_init;
 269                 engine->fifo.takedown           = nv04_fifo_fini;
 270                 engine->fifo.disable            = nv04_fifo_disable;
 271                 engine->fifo.enable             = nv04_fifo_enable;
 272                 engine->fifo.reassign           = nv04_fifo_reassign;
 273                 engine->fifo.cache_pull         = nv04_fifo_cache_pull;
 274                 engine->fifo.channel_id         = nv10_fifo_channel_id;
 275                 engine->fifo.create_context     = nv40_fifo_create_context;
 276                 engine->fifo.destroy_context    = nv04_fifo_destroy_context;
 277                 engine->fifo.load_context       = nv40_fifo_load_context;
 278                 engine->fifo.unload_context     = nv40_fifo_unload_context;
 279                 engine->display.early_init      = nv04_display_early_init;
 280                 engine->display.late_takedown   = nv04_display_late_takedown;
 281                 engine->display.create          = nv04_display_create;
 282                 engine->display.init            = nv04_display_init;
 283                 engine->display.destroy         = nv04_display_destroy;
 284                 engine->gpio.init               = nouveau_stub_init;
 285                 engine->gpio.takedown           = nouveau_stub_takedown;
 286                 engine->gpio.get                = nv10_gpio_get;
 287                 engine->gpio.set                = nv10_gpio_set;
 288                 engine->gpio.irq_enable         = NULL;
 289                 engine->pm.clock_get            = nv04_pm_clock_get;
 290                 engine->pm.clock_pre            = nv04_pm_clock_pre;
 291                 engine->pm.clock_set            = nv04_pm_clock_set;
 292                 engine->pm.voltage_get          = nouveau_voltage_gpio_get;
 293                 engine->pm.voltage_set          = nouveau_voltage_gpio_set;
 294                 engine->pm.temp_get             = nv40_temp_get;
 295                 engine->vram.init               = nouveau_mem_detect;
 296                 engine->vram.takedown           = nouveau_stub_takedown;
 297                 engine->vram.flags_valid        = nouveau_mem_flags_valid;
 298                 break;
 299         case 0x50:
 300         case 0x80: /* gotta love NVIDIA's consistency.. */
 301         case 0x90:
 302         case 0xA0:
 303                 engine->instmem.init            = nv50_instmem_init;
 304                 engine->instmem.takedown        = nv50_instmem_takedown;
 305                 engine->instmem.suspend         = nv50_instmem_suspend;
 306                 engine->instmem.resume          = nv50_instmem_resume;
 307                 engine->instmem.get             = nv50_instmem_get;
 308                 engine->instmem.put             = nv50_instmem_put;
 309                 engine->instmem.map             = nv50_instmem_map;
 310                 engine->instmem.unmap           = nv50_instmem_unmap;
 311                 if (dev_priv->chipset == 0x50)
 312                         engine->instmem.flush   = nv50_instmem_flush;
 313                 else
 314                         engine->instmem.flush   = nv84_instmem_flush;
 315                 engine->mc.init                 = nv50_mc_init;
 316                 engine->mc.takedown             = nv50_mc_takedown;
 317                 engine->timer.init              = nv04_timer_init;
 318                 engine->timer.read              = nv04_timer_read;
 319                 engine->timer.takedown          = nv04_timer_takedown;
 320                 engine->fb.init                 = nv50_fb_init;
 321                 engine->fb.takedown             = nv50_fb_takedown;
 322                 engine->fifo.channels           = 128;
 323                 engine->fifo.init               = nv50_fifo_init;
 324                 engine->fifo.takedown           = nv50_fifo_takedown;
 325                 engine->fifo.disable            = nv04_fifo_disable;
 326                 engine->fifo.enable             = nv04_fifo_enable;
 327                 engine->fifo.reassign           = nv04_fifo_reassign;
 328                 engine->fifo.channel_id         = nv50_fifo_channel_id;
 329                 engine->fifo.create_context     = nv50_fifo_create_context;
 330                 engine->fifo.destroy_context    = nv50_fifo_destroy_context;
 331                 engine->fifo.load_context       = nv50_fifo_load_context;
 332                 engine->fifo.unload_context     = nv50_fifo_unload_context;
 333                 engine->fifo.tlb_flush          = nv50_fifo_tlb_flush;
 334                 engine->display.early_init      = nv50_display_early_init;
 335                 engine->display.late_takedown   = nv50_display_late_takedown;
 336                 engine->display.create          = nv50_display_create;
 337                 engine->display.init            = nv50_display_init;
 338                 engine->display.destroy         = nv50_display_destroy;
 339                 engine->gpio.init               = nv50_gpio_init;
 340                 engine->gpio.takedown           = nv50_gpio_fini;
 341                 engine->gpio.get                = nv50_gpio_get;
 342                 engine->gpio.set                = nv50_gpio_set;
 343                 engine->gpio.irq_register       = nv50_gpio_irq_register;
 344                 engine->gpio.irq_unregister     = nv50_gpio_irq_unregister;
 345                 engine->gpio.irq_enable         = nv50_gpio_irq_enable;
 346                 switch (dev_priv->chipset) {
 347                 case 0x84:
 348                 case 0x86:
 349                 case 0x92:
 350                 case 0x94:
 351                 case 0x96:
 352                 case 0x98:
 353                 case 0xa0:
 354                 case 0xaa:
 355                 case 0xac:
 356                 case 0x50:
 357                         engine->pm.clock_get    = nv50_pm_clock_get;
 358                         engine->pm.clock_pre    = nv50_pm_clock_pre;
 359                         engine->pm.clock_set    = nv50_pm_clock_set;
 360                         break;
 361                 default:
 362                         engine->pm.clocks_get   = nva3_pm_clocks_get;
 363                         engine->pm.clocks_pre   = nva3_pm_clocks_pre;
 364                         engine->pm.clocks_set   = nva3_pm_clocks_set;
 365                         break;
 366                 }
 367                 engine->pm.voltage_get          = nouveau_voltage_gpio_get;
 368                 engine->pm.voltage_set          = nouveau_voltage_gpio_set;
 369                 if (dev_priv->chipset >= 0x84)
 370                         engine->pm.temp_get     = nv84_temp_get;
 371                 else
 372                         engine->pm.temp_get     = nv40_temp_get;
 373                 engine->vram.init               = nv50_vram_init;
 374                 engine->vram.takedown           = nv50_vram_fini;
 375                 engine->vram.get                = nv50_vram_new;
 376                 engine->vram.put                = nv50_vram_del;
 377                 engine->vram.flags_valid        = nv50_vram_flags_valid;
 378                 break;
 379         case 0xC0:
 380                 engine->instmem.init            = nvc0_instmem_init;
 381                 engine->instmem.takedown        = nvc0_instmem_takedown;
 382                 engine->instmem.suspend         = nvc0_instmem_suspend;
 383                 engine->instmem.resume          = nvc0_instmem_resume;
 384                 engine->instmem.get             = nv50_instmem_get;
 385                 engine->instmem.put             = nv50_instmem_put;
 386                 engine->instmem.map             = nv50_instmem_map;
 387                 engine->instmem.unmap           = nv50_instmem_unmap;
 388                 engine->instmem.flush           = nv84_instmem_flush;
 389                 engine->mc.init                 = nv50_mc_init;
 390                 engine->mc.takedown             = nv50_mc_takedown;
 391                 engine->timer.init              = nv04_timer_init;
 392                 engine->timer.read              = nv04_timer_read;
 393                 engine->timer.takedown          = nv04_timer_takedown;
 394                 engine->fb.init                 = nvc0_fb_init;
 395                 engine->fb.takedown             = nvc0_fb_takedown;
 396                 engine->fifo.channels           = 128;
 397                 engine->fifo.init               = nvc0_fifo_init;
 398                 engine->fifo.takedown           = nvc0_fifo_takedown;
 399                 engine->fifo.disable            = nvc0_fifo_disable;
 400                 engine->fifo.enable             = nvc0_fifo_enable;
 401                 engine->fifo.reassign           = nvc0_fifo_reassign;
 402                 engine->fifo.channel_id         = nvc0_fifo_channel_id;
 403                 engine->fifo.create_context     = nvc0_fifo_create_context;
 404                 engine->fifo.destroy_context    = nvc0_fifo_destroy_context;
 405                 engine->fifo.load_context       = nvc0_fifo_load_context;
 406                 engine->fifo.unload_context     = nvc0_fifo_unload_context;
 407                 engine->display.early_init      = nv50_display_early_init;
 408                 engine->display.late_takedown   = nv50_display_late_takedown;
 409                 engine->display.create          = nv50_display_create;
 410                 engine->display.init            = nv50_display_init;
 411                 engine->display.destroy         = nv50_display_destroy;
 412                 engine->gpio.init               = nv50_gpio_init;
 413                 engine->gpio.takedown           = nouveau_stub_takedown;
 414                 engine->gpio.get                = nv50_gpio_get;
 415                 engine->gpio.set                = nv50_gpio_set;
 416                 engine->gpio.irq_register       = nv50_gpio_irq_register;
 417                 engine->gpio.irq_unregister     = nv50_gpio_irq_unregister;
 418                 engine->gpio.irq_enable         = nv50_gpio_irq_enable;
 419                 engine->vram.init               = nvc0_vram_init;
 420                 engine->vram.takedown           = nv50_vram_fini;
 421                 engine->vram.get                = nvc0_vram_new;
 422                 engine->vram.put                = nv50_vram_del;
 423                 engine->vram.flags_valid        = nvc0_vram_flags_valid;
 424                 engine->pm.temp_get             = nv84_temp_get;
 425                 engine->pm.clocks_get           = nvc0_pm_clocks_get;
 426                 engine->pm.voltage_get          = nouveau_voltage_gpio_get;
 427                 engine->pm.voltage_set          = nouveau_voltage_gpio_set;
 428                 break;
 429         default:
 430                 NV_ERROR(dev, "NV%02x unsupported\n", dev_priv->chipset);
 431                 return 1;
 432         }
 433
 434         return 0;
 435 }
 436
 437 static unsigned int
 438 nouveau_vga_set_decode(void *priv, bool state)
 439 {
 440         struct drm_device *dev = priv;
 441         struct drm_nouveau_private *dev_priv = dev->dev_private;
 442
 443         if (dev_priv->chipset >= 0x40)
 444                 nv_wr32(dev, 0x88054, state);
 445         else
 446                 nv_wr32(dev, 0x1854, state);
 447
 448         if (state)
 449                 return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM |
 450                        VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
 451         else
 452                 return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
 453 }
 454
 455 static int
 456 nouveau_card_init_channel(struct drm_device *dev)
 457 {
 458         struct drm_nouveau_private *dev_priv = dev->dev_private;
 459         int ret;
 460
 461         ret = nouveau_channel_alloc(dev, &dev_priv->channel, NULL,
 462                                     NvDmaFB, NvDmaTT);
 463         if (ret)
 464                 return ret;
 465
 466         mutex_unlock(&dev_priv->channel->mutex);
 467         return 0;
 468 }
 469
 470 static void nouveau_switcheroo_set_state(struct pci_dev *pdev,
 471                                          enum vga_switcheroo_state state)
 472 {
 473         struct drm_device *dev = pci_get_drvdata(pdev);
 474         pm_message_t pmm = { .event = PM_EVENT_SUSPEND };
 475         if (state == VGA_SWITCHEROO_ON) {
 476                 printk(KERN_ERR "VGA switcheroo: switched nouveau on\n");
 477                 dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
 478                 nouveau_pci_resume(pdev);
 479                 drm_kms_helper_poll_enable(dev);
 480                 dev->switch_power_state = DRM_SWITCH_POWER_ON;
 481         } else {
 482                 printk(KERN_ERR "VGA switcheroo: switched nouveau off\n");
 483                 dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
 484                 drm_kms_helper_poll_disable(dev);
 485                 nouveau_pci_suspend(pdev, pmm);
 486                 dev->switch_power_state = DRM_SWITCH_POWER_OFF;
 487         }
 488 }
 489
 490 static void nouveau_switcheroo_reprobe(struct pci_dev *pdev)
 491 {
 492         struct drm_device *dev = pci_get_drvdata(pdev);
 493         nouveau_fbcon_output_poll_changed(dev);
 494 }
 495
 496 static bool nouveau_switcheroo_can_switch(struct pci_dev *pdev)
 497 {
 498         struct drm_device *dev = pci_get_drvdata(pdev);
 499         bool can_switch;
 500
 501         spin_lock(&dev->count_lock);
 502         can_switch = (dev->open_count == 0);
 503         spin_unlock(&dev->count_lock);
 504         return can_switch;
 505 }
 506
 507 int
 508 nouveau_card_init(struct drm_device *dev)
 509 {
 510         struct drm_nouveau_private *dev_priv = dev->dev_private;
 511         struct nouveau_engine *engine;
 512         int ret, e = 0;
 513
 514         vga_client_register(dev->pdev, dev, NULL, nouveau_vga_set_decode);
 515         vga_switcheroo_register_client(dev->pdev, nouveau_switcheroo_set_state,
 516                                        nouveau_switcheroo_reprobe,
 517                                        nouveau_switcheroo_can_switch);
 518
 519         /* Initialise internal driver API hooks */
 520         ret = nouveau_init_engine_ptrs(dev);
 521         if (ret)
 522                 goto out;
 523         engine = &dev_priv->engine;
 524         spin_lock_init(&dev_priv->channels.lock);
 525         spin_lock_init(&dev_priv->tile.lock);
 526         spin_lock_init(&dev_priv->context_switch_lock);
 527         spin_lock_init(&dev_priv->vm_lock);
 528
 529         /* Make the CRTCs and I2C buses accessible */
 530         ret = engine->display.early_init(dev);
 531         if (ret)
 532                 goto out;
 533
 534         /* Parse BIOS tables / Run init tables if card not POSTed */
 535         ret = nouveau_bios_init(dev);
 536         if (ret)
 537                 goto out_display_early;
 538
 539         nouveau_pm_init(dev);
 540
 541         ret = engine->vram.init(dev);
 542         if (ret)
 543                 goto out_bios;
 544
 545         ret = nouveau_gpuobj_init(dev);
 546         if (ret)
 547                 goto out_vram;
 548
 549         ret = engine->instmem.init(dev);
 550         if (ret)
 551                 goto out_gpuobj;
 552
 553         ret = nouveau_mem_vram_init(dev);
 554         if (ret)
 555                 goto out_instmem;
 556
 557         ret = nouveau_mem_gart_init(dev);
 558         if (ret)
 559                 goto out_ttmvram;
 560
 561         /* PMC */
 562         ret = engine->mc.init(dev);
 563         if (ret)
 564                 goto out_gart;
 565
 566         /* PGPIO */
 567         ret = engine->gpio.init(dev);
 568         if (ret)
 569                 goto out_mc;
 570
 571         /* PTIMER */
 572         ret = engine->timer.init(dev);
 573         if (ret)
 574                 goto out_gpio;
 575
 576         /* PFB */
 577         ret = engine->fb.init(dev);
 578         if (ret)
 579                 goto out_timer;
 580
 581         if (!dev_priv->noaccel) {
 582                 switch (dev_priv->card_type) {
 583                 case NV_04:
 584                         nv04_graph_create(dev);
 585                         break;
 586                 case NV_10:
 587                         nv10_graph_create(dev);
 588                         break;
 589                 case NV_20:
 590                 case NV_30:
 591                         nv20_graph_create(dev);
 592                         break;
 593                 case NV_40:
 594                         nv40_graph_create(dev);
 595                         break;
 596                 case NV_50:
 597                         nv50_graph_create(dev);
 598                         break;
 599                 case NV_C0:
 600                         nvc0_graph_create(dev);
 601                         break;
 602                 default:
 603                         break;
 604                 }
 605
 606                 switch (dev_priv->chipset) {
 607                 case 0x84:
 608                 case 0x86:
 609                 case 0x92:
 610                 case 0x94:
 611                 case 0x96:
 612                 case 0xa0:
 613                         nv84_crypt_create(dev);
 614                         break;
 615                 }
 616
 617                 switch (dev_priv->card_type) {
 618                 case NV_50:
 619                         switch (dev_priv->chipset) {
 620                         case 0xa3:
 621                         case 0xa5:
 622                         case 0xa8:
 623                         case 0xaf:
 624                                 nva3_copy_create(dev);
 625                                 break;
 626                         }
 627                         break;
 628                 case NV_C0:
 629                         nvc0_copy_create(dev, 0);
 630                         nvc0_copy_create(dev, 1);
 631                         break;
 632                 default:
 633                         break;
 634                 }
 635
 636                 if (dev_priv->card_type == NV_40)
 637                         nv40_mpeg_create(dev);
 638                 else
 639                 if (dev_priv->card_type == NV_50 &&
 640                     (dev_priv->chipset < 0x98 || dev_priv->chipset == 0xa0))
 641                         nv50_mpeg_create(dev);
 642
 643                 for (e = 0; e < NVOBJ_ENGINE_NR; e++) {
 644                         if (dev_priv->eng[e]) {
 645                                 ret = dev_priv->eng[e]->init(dev, e);
 646                                 if (ret)
 647                                         goto out_engine;
 648                         }
 649                 }
 650
 651                 /* PFIFO */
 652                 ret = engine->fifo.init(dev);
 653                 if (ret)
 654                         goto out_engine;
 655         }
 656
 657         ret = engine->display.create(dev);
 658         if (ret)
 659                 goto out_fifo;
 660
 661         ret = drm_vblank_init(dev, nv_two_heads(dev) ? 2 : 1);
 662         if (ret)
 663                 goto out_vblank;
 664
 665         ret = nouveau_irq_init(dev);
 666         if (ret)
 667                 goto out_vblank;
 668
 669         /* what about PVIDEO/PCRTC/PRAMDAC etc? */
 670
 671         if (dev_priv->eng[NVOBJ_ENGINE_GR]) {
 672                 ret = nouveau_fence_init(dev);
 673                 if (ret)
 674                         goto out_irq;
 675
 676                 ret = nouveau_card_init_channel(dev);
 677                 if (ret)
 678                         goto out_fence;
 679         }
 680
 681         nouveau_fbcon_init(dev);
 682         drm_kms_helper_poll_init(dev);
 683         return 0;
 684
 685 out_fence:
 686         nouveau_fence_fini(dev);
 687 out_irq:
 688         nouveau_irq_fini(dev);
 689 out_vblank:
 690         drm_vblank_cleanup(dev);
 691         engine->display.destroy(dev);
 692 out_fifo:
 693         if (!dev_priv->noaccel)
 694                 engine->fifo.takedown(dev);
 695 out_engine:
 696         if (!dev_priv->noaccel) {
 697                 for (e = e - 1; e >= 0; e--) {
 698                         if (!dev_priv->eng[e])
 699                                 continue;
 700                         dev_priv->eng[e]->fini(dev, e, false);
 701                         dev_priv->eng[e]->destroy(dev,e );
 702                 }
 703         }
 704
 705         engine->fb.takedown(dev);
 706 out_timer:
 707         engine->timer.takedown(dev);
 708 out_gpio:
 709         engine->gpio.takedown(dev);
 710 out_mc:
 711         engine->mc.takedown(dev);
 712 out_gart:
 713         nouveau_mem_gart_fini(dev);
 714 out_ttmvram:
 715         nouveau_mem_vram_fini(dev);
 716 out_instmem:
 717         engine->instmem.takedown(dev);
 718 out_gpuobj:
 719         nouveau_gpuobj_takedown(dev);
 720 out_vram:
 721         engine->vram.takedown(dev);
 722 out_bios:
 723         nouveau_pm_fini(dev);
 724         nouveau_bios_takedown(dev);
 725 out_display_early:
 726         engine->display.late_takedown(dev);
 727 out:
 728         vga_client_register(dev->pdev, NULL, NULL, NULL);
 729         return ret;
 730 }
 731
 732 static void nouveau_card_takedown(struct drm_device *dev)
 733 {
 734         struct drm_nouveau_private *dev_priv = dev->dev_private;
 735         struct nouveau_engine *engine = &dev_priv->engine;
 736         int e;
 737
 738         drm_kms_helper_poll_fini(dev);
 739         nouveau_fbcon_fini(dev);
 740
 741         if (dev_priv->channel) {
 742                 nouveau_channel_put_unlocked(&dev_priv->channel);
 743                 nouveau_fence_fini(dev);
 744         }
 745
 746         engine->display.destroy(dev);
 747
 748         if (!dev_priv->noaccel) {
 749                 engine->fifo.takedown(dev);
 750                 for (e = NVOBJ_ENGINE_NR - 1; e >= 0; e--) {
 751                         if (dev_priv->eng[e]) {
 752                                 dev_priv->eng[e]->fini(dev, e, false);
 753                                 dev_priv->eng[e]->destroy(dev,e );
 754                         }
 755                 }
 756         }
 757         engine->fb.takedown(dev);
 758         engine->timer.takedown(dev);
 759         engine->gpio.takedown(dev);
 760         engine->mc.takedown(dev);
 761         engine->display.late_takedown(dev);
 762
 763         if (dev_priv->vga_ram) {
 764                 nouveau_bo_unpin(dev_priv->vga_ram);
 765                 nouveau_bo_ref(NULL, &dev_priv->vga_ram);
 766         }
 767
 768         mutex_lock(&dev->struct_mutex);
 769         ttm_bo_clean_mm(&dev_priv->ttm.bdev, TTM_PL_VRAM);
 770         ttm_bo_clean_mm(&dev_priv->ttm.bdev, TTM_PL_TT);
 771         mutex_unlock(&dev->struct_mutex);
 772         nouveau_mem_gart_fini(dev);
 773         nouveau_mem_vram_fini(dev);
 774
 775         engine->instmem.takedown(dev);
 776         nouveau_gpuobj_takedown(dev);
 777         engine->vram.takedown(dev);
 778
 779         nouveau_irq_fini(dev);
 780         drm_vblank_cleanup(dev);
 781
 782         nouveau_pm_fini(dev);
 783         nouveau_bios_takedown(dev);
 784
 785         vga_client_register(dev->pdev, NULL, NULL, NULL);
 786 }
 787
 788 int
 789 nouveau_open(struct drm_device *dev, struct drm_file *file_priv)
 790 {
 791         struct drm_nouveau_private *dev_priv = dev->dev_private;
 792         struct nouveau_fpriv *fpriv;
 793         int ret;
 794
 795         fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
 796         if (unlikely(!fpriv))
 797                 return -ENOMEM;
 798
 799         spin_lock_init(&fpriv->lock);
 800         INIT_LIST_HEAD(&fpriv->channels);
 801
 802         if (dev_priv->card_type == NV_50) {
 803                 ret = nouveau_vm_new(dev, 0, (1ULL << 40), 0x0020000000ULL,
 804                                      &fpriv->vm);
 805                 if (ret) {
 806                         kfree(fpriv);
 807                         return ret;
 808                 }
 809         } else
 810         if (dev_priv->card_type >= NV_C0) {
 811                 ret = nouveau_vm_new(dev, 0, (1ULL << 40), 0x0008000000ULL,
 812                                      &fpriv->vm);
 813                 if (ret) {
 814                         kfree(fpriv);
 815                         return ret;
 816                 }
 817         }
 818
 819         file_priv->driver_priv = fpriv;
 820         return 0;
 821 }
 822
 823 /* here a client dies, release the stuff that was allocated for its
 824  * file_priv */
 825 void nouveau_preclose(struct drm_device *dev, struct drm_file *file_priv)
 826 {
 827         nouveau_channel_cleanup(dev, file_priv);
 828 }
 829
 830 void
 831 nouveau_postclose(struct drm_device *dev, struct drm_file *file_priv)
 832 {
 833         struct nouveau_fpriv *fpriv = nouveau_fpriv(file_priv);
 834         nouveau_vm_ref(NULL, &fpriv->vm, NULL);
 835         kfree(fpriv);
 836 }
 837
 838 /* first module load, setup the mmio/fb mapping */
 839 /* KMS: we need mmio at load time, not when the first drm client opens. */
 840 int nouveau_firstopen(struct drm_device *dev)
 841 {
 842         return 0;
 843 }
 844
 845 /* if we have an OF card, copy vbios to RAMIN */
 846 static void nouveau_OF_copy_vbios_to_ramin(struct drm_device *dev)
 847 {
 848 #if defined(__powerpc__)
 849         int size, i;
 850         const uint32_t *bios;
 851         struct device_node *dn = pci_device_to_OF_node(dev->pdev);
 852         if (!dn) {
 853                 NV_INFO(dev, "Unable to get the OF node\n");
 854                 return;
 855         }
 856
 857         bios = of_get_property(dn, "NVDA,BMP", &size);
 858         if (bios) {
 859                 for (i = 0; i < size; i += 4)
 860                         nv_wi32(dev, i, bios[i/4]);
 861                 NV_INFO(dev, "OF bios successfully copied (%d bytes)\n", size);
 862         } else {
 863                 NV_INFO(dev, "Unable to get the OF bios\n");
 864         }
 865 #endif
 866 }
 867
 868 static struct apertures_struct *nouveau_get_apertures(struct drm_device *dev)
 869 {
 870         struct pci_dev *pdev = dev->pdev;
 871         struct apertures_struct *aper = alloc_apertures(3);
 872         if (!aper)
 873                 return NULL;
 874
 875         aper->ranges[0].base = pci_resource_start(pdev, 1);
 876         aper->ranges[0].size = pci_resource_len(pdev, 1);
 877         aper->count = 1;
 878
 879         if (pci_resource_len(pdev, 2)) {
 880                 aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
 881                 aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
 882                 aper->count++;
 883         }
 884
 885         if (pci_resource_len(pdev, 3)) {
 886                 aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
 887                 aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
 888                 aper->count++;
 889         }
 890
 891         return aper;
 892 }
 893
 894 static int nouveau_remove_conflicting_drivers(struct drm_device *dev)
 895 {
 896         struct drm_nouveau_private *dev_priv = dev->dev_private;
 897         bool primary = false;
 898         dev_priv->apertures = nouveau_get_apertures(dev);
 899         if (!dev_priv->apertures)
 900                 return -ENOMEM;
 901
 902 #ifdef CONFIG_X86
 903         primary = dev->pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
 904 #endif
 905
 906         remove_conflicting_framebuffers(dev_priv->apertures, "nouveaufb", primary);
 907         return 0;
 908 }
 909
 910 int nouveau_load(struct drm_device *dev, unsigned long flags)
 911 {
 912         struct drm_nouveau_private *dev_priv;
 913         uint32_t reg0;
 914         resource_size_t mmio_start_offs;
 915         int ret;
 916
 917         dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
 918         if (!dev_priv) {
 919                 ret = -ENOMEM;
 920                 goto err_out;
 921         }
 922         dev->dev_private = dev_priv;
 923         dev_priv->dev = dev;
 924
 925         dev_priv->flags = flags & NOUVEAU_FLAGS;
 926
 927         NV_DEBUG(dev, "vendor: 0x%X device: 0x%X class: 0x%X\n",
 928                  dev->pci_vendor, dev->pci_device, dev->pdev->class);
 929
 930         /* resource 0 is mmio regs */
 931         /* resource 1 is linear FB */
 932         /* resource 2 is RAMIN (mmio regs + 0x1000000) */
 933         /* resource 6 is bios */
 934
 935         /* map the mmio regs */
 936         mmio_start_offs = pci_resource_start(dev->pdev, 0);
 937         dev_priv->mmio = ioremap(mmio_start_offs, 0x00800000);
 938         if (!dev_priv->mmio) {
 939                 NV_ERROR(dev, "Unable to initialize the mmio mapping. "
 940                          "Please report your setup to " DRIVER_EMAIL "\n");
 941                 ret = -EINVAL;
 942                 goto err_priv;
 943         }
 944         NV_DEBUG(dev, "regs mapped ok at 0x%llx\n",
 945                                         (unsigned long long)mmio_start_offs);
 946
 947 #ifdef __BIG_ENDIAN
 948         /* Put the card in BE mode if it's not */
 949         if (nv_rd32(dev, NV03_PMC_BOOT_1) != 0x01000001)
 950                 nv_wr32(dev, NV03_PMC_BOOT_1, 0x01000001);
 951
 952         DRM_MEMORYBARRIER();
 953 #endif
 954
 955         /* Time to determine the card architecture */
 956         reg0 = nv_rd32(dev, NV03_PMC_BOOT_0);
 957         dev_priv->stepping = 0; /* XXX: add stepping for pre-NV10? */
 958
 959         /* We're dealing with >=NV10 */
 960         if ((reg0 & 0x0f000000) > 0) {
 961                 /* Bit 27-20 contain the architecture in hex */
 962                 dev_priv->chipset = (reg0 & 0xff00000) >> 20;
 963                 dev_priv->stepping = (reg0 & 0xff);
 964         /* NV04 or NV05 */
 965         } else if ((reg0 & 0xff00fff0) == 0x20004000) {
 966                 if (reg0 & 0x00f00000)
 967                         dev_priv->chipset = 0x05;
 968                 else
 969                         dev_priv->chipset = 0x04;
 970         } else
 971                 dev_priv->chipset = 0xff;
 972
 973         switch (dev_priv->chipset & 0xf0) {
 974         case 0x00:
 975         case 0x10:
 976         case 0x20:
 977         case 0x30:
 978                 dev_priv->card_type = dev_priv->chipset & 0xf0;
 979                 break;
 980         case 0x40:
 981         case 0x60:
 982                 dev_priv->card_type = NV_40;
 983                 break;
 984         case 0x50:
 985         case 0x80:
 986         case 0x90:
 987         case 0xa0:
 988                 dev_priv->card_type = NV_50;
 989                 break;
 990         case 0xc0:
 991                 dev_priv->card_type = NV_C0;
 992                 break;
 993         default:
 994                 NV_INFO(dev, "Unsupported chipset 0x%08x\n", reg0);
 995                 ret = -EINVAL;
 996                 goto err_mmio;
 997         }
 998
 999         NV_INFO(dev, "Detected an NV%2x generation card (0x%08x)\n",
1000                 dev_priv->card_type, reg0);
1001
1002         /* Determine whether we'll attempt acceleration or not, some
1003          * cards are disabled by default here due to them being known
1004          * non-functional, or never been tested due to lack of hw.
1005          */
1006         dev_priv->noaccel = !!nouveau_noaccel;
1007         if (nouveau_noaccel == -1) {
1008                 switch (dev_priv->chipset) {
1009                 case 0xc1: /* known broken */
1010                 case 0xc8: /* never tested */
1011                         NV_INFO(dev, "acceleration disabled by default, pass "
1012                                      "noaccel=0 to force enable\n");
1013                         dev_priv->noaccel = true;
1014                         break;
1015                 default:
1016                         dev_priv->noaccel = false;
1017                         break;
1018                 }
1019         }
1020
1021         ret = nouveau_remove_conflicting_drivers(dev);
1022         if (ret)
1023                 goto err_mmio;
1024
1025         /* Map PRAMIN BAR, or on older cards, the aperture within BAR0 */
1026         if (dev_priv->card_type >= NV_40) {
1027                 int ramin_bar = 2;
1028                 if (pci_resource_len(dev->pdev, ramin_bar) == 0)
1029                         ramin_bar = 3;
1030
1031                 dev_priv->ramin_size = pci_resource_len(dev->pdev, ramin_bar);
1032                 dev_priv->ramin =
1033                         ioremap(pci_resource_start(dev->pdev, ramin_bar),
1034                                 dev_priv->ramin_size);
1035                 if (!dev_priv->ramin) {
1036                         NV_ERROR(dev, "Failed to PRAMIN BAR");
1037                         ret = -ENOMEM;
1038                         goto err_mmio;
1039                 }
1040         } else {
1041                 dev_priv->ramin_size = 1 * 1024 * 1024;
1042                 dev_priv->ramin = ioremap(mmio_start_offs + NV_RAMIN,
1043                                           dev_priv->ramin_size);
1044                 if (!dev_priv->ramin) {
1045                         NV_ERROR(dev, "Failed to map BAR0 PRAMIN.\n");
1046                         ret = -ENOMEM;
1047                         goto err_mmio;
1048                 }
1049         }
1050
1051         nouveau_OF_copy_vbios_to_ramin(dev);
1052
1053         /* Special flags */
1054         if (dev->pci_device == 0x01a0)
1055                 dev_priv->flags |= NV_NFORCE;
1056         else if (dev->pci_device == 0x01f0)
1057                 dev_priv->flags |= NV_NFORCE2;
1058
1059         /* For kernel modesetting, init card now and bring up fbcon */
1060         ret = nouveau_card_init(dev);
1061         if (ret)
1062                 goto err_ramin;
1063
1064         return 0;
1065
1066 err_ramin:
1067         iounmap(dev_priv->ramin);
1068 err_mmio:
1069         iounmap(dev_priv->mmio);
1070 err_priv:
1071         kfree(dev_priv);
1072         dev->dev_private = NULL;
1073 err_out:
1074         return ret;
1075 }
1076
1077 void nouveau_lastclose(struct drm_device *dev)
1078 {
1079         vga_switcheroo_process_delayed_switch();
1080 }
1081
1082 int nouveau_unload(struct drm_device *dev)
1083 {
1084         struct drm_nouveau_private *dev_priv = dev->dev_private;
1085
1086         nouveau_card_takedown(dev);
1087
1088         iounmap(dev_priv->mmio);
1089         iounmap(dev_priv->ramin);
1090
1091         kfree(dev_priv);
1092         dev->dev_private = NULL;
1093         return 0;
1094 }
1095
1096 int nouveau_ioctl_getparam(struct drm_device *dev, void *data,
1097                                                 struct drm_file *file_priv)
1098 {
1099         struct drm_nouveau_private *dev_priv = dev->dev_private;
1100         struct drm_nouveau_getparam *getparam = data;
1101
1102         switch (getparam->param) {
1103         case NOUVEAU_GETPARAM_CHIPSET_ID:
1104                 getparam->value = dev_priv->chipset;
1105                 break;
1106         case NOUVEAU_GETPARAM_PCI_VENDOR:
1107                 getparam->value = dev->pci_vendor;
1108                 break;
1109         case NOUVEAU_GETPARAM_PCI_DEVICE:
1110                 getparam->value = dev->pci_device;
1111                 break;
1112         case NOUVEAU_GETPARAM_BUS_TYPE:
1113                 if (drm_pci_device_is_agp(dev))
1114                         getparam->value = NV_AGP;
1115                 else if (pci_is_pcie(dev->pdev))
1116                         getparam->value = NV_PCIE;
1117                 else
1118                         getparam->value = NV_PCI;
1119                 break;
1120         case NOUVEAU_GETPARAM_FB_SIZE:
1121                 getparam->value = dev_priv->fb_available_size;
1122                 break;
1123         case NOUVEAU_GETPARAM_AGP_SIZE:
1124                 getparam->value = dev_priv->gart_info.aper_size;
1125                 break;
1126         case NOUVEAU_GETPARAM_VM_VRAM_BASE:
1127                 getparam->value = 0; /* deprecated */
1128                 break;
1129         case NOUVEAU_GETPARAM_PTIMER_TIME:
1130                 getparam->value = dev_priv->engine.timer.read(dev);
1131                 break;
1132         case NOUVEAU_GETPARAM_HAS_BO_USAGE:
1133                 getparam->value = 1;
1134                 break;
1135         case NOUVEAU_GETPARAM_HAS_PAGEFLIP:
1136                 getparam->value = 1;
1137                 break;
1138         case NOUVEAU_GETPARAM_GRAPH_UNITS:
1139                 /* NV40 and NV50 versions are quite different, but register
1140                  * address is the same. User is supposed to know the card
1141                  * family anyway... */
1142                 if (dev_priv->chipset >= 0x40) {
1143                         getparam->value = nv_rd32(dev, NV40_PMC_GRAPH_UNITS);
1144                         break;
1145                 }
1146                 /* FALLTHRU */
1147         default:
1148                 NV_DEBUG(dev, "unknown parameter %lld\n", getparam->param);
1149                 return -EINVAL;
1150         }
1151
1152         return 0;
1153 }
1154
1155 int
1156 nouveau_ioctl_setparam(struct drm_device *dev, void *data,
1157                        struct drm_file *file_priv)
1158 {
1159         struct drm_nouveau_setparam *setparam = data;
1160
1161         switch (setparam->param) {
1162         default:
1163                 NV_DEBUG(dev, "unknown parameter %lld\n", setparam->param);
1164                 return -EINVAL;
1165         }
1166
1167         return 0;
1168 }
1169
1170 /* Wait until (value(reg) & mask) == val, up until timeout has hit */
1171 bool
1172 nouveau_wait_eq(struct drm_device *dev, uint64_t timeout,
1173                 uint32_t reg, uint32_t mask, uint32_t val)
1174 {
1175         struct drm_nouveau_private *dev_priv = dev->dev_private;
1176         struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
1177         uint64_t start = ptimer->read(dev);
1178
1179         do {
1180                 if ((nv_rd32(dev, reg) & mask) == val)
1181                         return true;
1182         } while (ptimer->read(dev) - start < timeout);
1183
1184         return false;
1185 }
1186
1187 /* Wait until (value(reg) & mask) != val, up until timeout has hit */
1188 bool
1189 nouveau_wait_ne(struct drm_device *dev, uint64_t timeout,
1190                 uint32_t reg, uint32_t mask, uint32_t val)
1191 {
1192         struct drm_nouveau_private *dev_priv = dev->dev_private;
1193         struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
1194         uint64_t start = ptimer->read(dev);
1195
1196         do {
1197                 if ((nv_rd32(dev, reg) & mask) != val)
1198                         return true;
1199         } while (ptimer->read(dev) - start < timeout);
1200
1201         return false;
1202 }
1203
1204 /* Wait until cond(data) == true, up until timeout has hit */
1205 bool
1206 nouveau_wait_cb(struct drm_device *dev, u64 timeout,
1207                 bool (*cond)(void *), void *data)
1208 {
1209         struct drm_nouveau_private *dev_priv = dev->dev_private;
1210         struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
1211         u64 start = ptimer->read(dev);
1212
1213         do {
1214                 if (cond(data) == true)
1215                         return true;
1216         } while (ptimer->read(dev) - start < timeout);
1217
1218         return false;
1219 }
1220
1221 /* Waits for PGRAPH to go completely idle */
1222 bool nouveau_wait_for_idle(struct drm_device *dev)
1223 {
1224         struct drm_nouveau_private *dev_priv = dev->dev_private;
1225         uint32_t mask = ~0;
1226
1227         if (dev_priv->card_type == NV_40)
1228                 mask &= ~NV40_PGRAPH_STATUS_SYNC_STALL;
1229
1230         if (!nv_wait(dev, NV04_PGRAPH_STATUS, mask, 0)) {
1231                 NV_ERROR(dev, "PGRAPH idle timed out with status 0x%08x\n",
1232                          nv_rd32(dev, NV04_PGRAPH_STATUS));
1233                 return false;
1234         }
1235
1236         return true;
1237 }
1238