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_gpio.h"
  40 #include "nouveau_pm.h"
  41 #include "nv50_display.h"
  42
  43 static void nouveau_stub_takedown(struct drm_device *dev) {}
  44 static int nouveau_stub_init(struct drm_device *dev) { return 0; }
  45
  46 static int nouveau_init_engine_ptrs(struct drm_device *dev)
  47 {
  48         struct drm_nouveau_private *dev_priv = dev->dev_private;
  49         struct nouveau_engine *engine = &dev_priv->engine;
  50
  51         switch (dev_priv->chipset & 0xf0) {
  52         case 0x00:
  53                 engine->instmem.init            = nv04_instmem_init;
  54                 engine->instmem.takedown        = nv04_instmem_takedown;
  55                 engine->instmem.suspend         = nv04_instmem_suspend;
  56                 engine->instmem.resume          = nv04_instmem_resume;
  57                 engine->instmem.get             = nv04_instmem_get;
  58                 engine->instmem.put             = nv04_instmem_put;
  59                 engine->instmem.map             = nv04_instmem_map;
  60                 engine->instmem.unmap           = nv04_instmem_unmap;
  61                 engine->instmem.flush           = nv04_instmem_flush;
  62                 engine->mc.init                 = nv04_mc_init;
  63                 engine->mc.takedown             = nv04_mc_takedown;
  64                 engine->timer.init              = nv04_timer_init;
  65                 engine->timer.read              = nv04_timer_read;
  66                 engine->timer.takedown          = nv04_timer_takedown;
  67                 engine->fb.init                 = nv04_fb_init;
  68                 engine->fb.takedown             = nv04_fb_takedown;
  69                 engine->fifo.channels           = 16;
  70                 engine->fifo.init               = nv04_fifo_init;
  71                 engine->fifo.takedown           = nv04_fifo_fini;
  72                 engine->fifo.disable            = nv04_fifo_disable;
  73                 engine->fifo.enable             = nv04_fifo_enable;
  74                 engine->fifo.reassign           = nv04_fifo_reassign;
  75                 engine->fifo.cache_pull         = nv04_fifo_cache_pull;
  76                 engine->fifo.channel_id         = nv04_fifo_channel_id;
  77                 engine->fifo.create_context     = nv04_fifo_create_context;
  78                 engine->fifo.destroy_context    = nv04_fifo_destroy_context;
  79                 engine->fifo.load_context       = nv04_fifo_load_context;
  80                 engine->fifo.unload_context     = nv04_fifo_unload_context;
  81                 engine->display.early_init      = nv04_display_early_init;
  82                 engine->display.late_takedown   = nv04_display_late_takedown;
  83                 engine->display.create          = nv04_display_create;
  84                 engine->display.destroy         = nv04_display_destroy;
  85                 engine->display.init            = nv04_display_init;
  86                 engine->display.fini            = nv04_display_fini;
  87                 engine->pm.clocks_get           = nv04_pm_clocks_get;
  88                 engine->pm.clocks_pre           = nv04_pm_clocks_pre;
  89                 engine->pm.clocks_set           = nv04_pm_clocks_set;
  90                 engine->vram.init               = nv04_fb_vram_init;
  91                 engine->vram.takedown           = nouveau_stub_takedown;
  92                 engine->vram.flags_valid        = nouveau_mem_flags_valid;
  93                 break;
  94         case 0x10:
  95                 engine->instmem.init            = nv04_instmem_init;
  96                 engine->instmem.takedown        = nv04_instmem_takedown;
  97                 engine->instmem.suspend         = nv04_instmem_suspend;
  98                 engine->instmem.resume          = nv04_instmem_resume;
  99                 engine->instmem.get             = nv04_instmem_get;
 100                 engine->instmem.put             = nv04_instmem_put;
 101                 engine->instmem.map             = nv04_instmem_map;
 102                 engine->instmem.unmap           = nv04_instmem_unmap;
 103                 engine->instmem.flush           = nv04_instmem_flush;
 104                 engine->mc.init                 = nv04_mc_init;
 105                 engine->mc.takedown             = nv04_mc_takedown;
 106                 engine->timer.init              = nv04_timer_init;
 107                 engine->timer.read              = nv04_timer_read;
 108                 engine->timer.takedown          = nv04_timer_takedown;
 109                 engine->fb.init                 = nv10_fb_init;
 110                 engine->fb.takedown             = nv10_fb_takedown;
 111                 engine->fb.init_tile_region     = nv10_fb_init_tile_region;
 112                 engine->fb.set_tile_region      = nv10_fb_set_tile_region;
 113                 engine->fb.free_tile_region     = nv10_fb_free_tile_region;
 114                 engine->fifo.channels           = 32;
 115                 engine->fifo.init               = nv10_fifo_init;
 116                 engine->fifo.takedown           = nv04_fifo_fini;
 117                 engine->fifo.disable            = nv04_fifo_disable;
 118                 engine->fifo.enable             = nv04_fifo_enable;
 119                 engine->fifo.reassign           = nv04_fifo_reassign;
 120                 engine->fifo.cache_pull         = nv04_fifo_cache_pull;
 121                 engine->fifo.channel_id         = nv10_fifo_channel_id;
 122                 engine->fifo.create_context     = nv10_fifo_create_context;
 123                 engine->fifo.destroy_context    = nv04_fifo_destroy_context;
 124                 engine->fifo.load_context       = nv10_fifo_load_context;
 125                 engine->fifo.unload_context     = nv10_fifo_unload_context;
 126                 engine->display.early_init      = nv04_display_early_init;
 127                 engine->display.late_takedown   = nv04_display_late_takedown;
 128                 engine->display.create          = nv04_display_create;
 129                 engine->display.destroy         = nv04_display_destroy;
 130                 engine->display.init            = nv04_display_init;
 131                 engine->display.fini            = nv04_display_fini;
 132                 engine->gpio.drive              = nv10_gpio_drive;
 133                 engine->gpio.sense              = nv10_gpio_sense;
 134                 engine->pm.clocks_get           = nv04_pm_clocks_get;
 135                 engine->pm.clocks_pre           = nv04_pm_clocks_pre;
 136                 engine->pm.clocks_set           = nv04_pm_clocks_set;
 137                 if (dev_priv->chipset == 0x1a ||
 138                     dev_priv->chipset == 0x1f)
 139                         engine->vram.init       = nv1a_fb_vram_init;
 140                 else
 141                         engine->vram.init       = nv10_fb_vram_init;
 142                 engine->vram.takedown           = nouveau_stub_takedown;
 143                 engine->vram.flags_valid        = nouveau_mem_flags_valid;
 144                 break;
 145         case 0x20:
 146                 engine->instmem.init            = nv04_instmem_init;
 147                 engine->instmem.takedown        = nv04_instmem_takedown;
 148                 engine->instmem.suspend         = nv04_instmem_suspend;
 149                 engine->instmem.resume          = nv04_instmem_resume;
 150                 engine->instmem.get             = nv04_instmem_get;
 151                 engine->instmem.put             = nv04_instmem_put;
 152                 engine->instmem.map             = nv04_instmem_map;
 153                 engine->instmem.unmap           = nv04_instmem_unmap;
 154                 engine->instmem.flush           = nv04_instmem_flush;
 155                 engine->mc.init                 = nv04_mc_init;
 156                 engine->mc.takedown             = nv04_mc_takedown;
 157                 engine->timer.init              = nv04_timer_init;
 158                 engine->timer.read              = nv04_timer_read;
 159                 engine->timer.takedown          = nv04_timer_takedown;
 160                 engine->fb.init                 = nv20_fb_init;
 161                 engine->fb.takedown             = nv20_fb_takedown;
 162                 engine->fb.init_tile_region     = nv20_fb_init_tile_region;
 163                 engine->fb.set_tile_region      = nv20_fb_set_tile_region;
 164                 engine->fb.free_tile_region     = nv20_fb_free_tile_region;
 165                 engine->fifo.channels           = 32;
 166                 engine->fifo.init               = nv10_fifo_init;
 167                 engine->fifo.takedown           = nv04_fifo_fini;
 168                 engine->fifo.disable            = nv04_fifo_disable;
 169                 engine->fifo.enable             = nv04_fifo_enable;
 170                 engine->fifo.reassign           = nv04_fifo_reassign;
 171                 engine->fifo.cache_pull         = nv04_fifo_cache_pull;
 172                 engine->fifo.channel_id         = nv10_fifo_channel_id;
 173                 engine->fifo.create_context     = nv10_fifo_create_context;
 174                 engine->fifo.destroy_context    = nv04_fifo_destroy_context;
 175                 engine->fifo.load_context       = nv10_fifo_load_context;
 176                 engine->fifo.unload_context     = nv10_fifo_unload_context;
 177                 engine->display.early_init      = nv04_display_early_init;
 178                 engine->display.late_takedown   = nv04_display_late_takedown;
 179                 engine->display.create          = nv04_display_create;
 180                 engine->display.destroy         = nv04_display_destroy;
 181                 engine->display.init            = nv04_display_init;
 182                 engine->display.fini            = nv04_display_fini;
 183                 engine->gpio.drive              = nv10_gpio_drive;
 184                 engine->gpio.sense              = nv10_gpio_sense;
 185                 engine->pm.clocks_get           = nv04_pm_clocks_get;
 186                 engine->pm.clocks_pre           = nv04_pm_clocks_pre;
 187                 engine->pm.clocks_set           = nv04_pm_clocks_set;
 188                 engine->vram.init               = nv20_fb_vram_init;
 189                 engine->vram.takedown           = nouveau_stub_takedown;
 190                 engine->vram.flags_valid        = nouveau_mem_flags_valid;
 191                 break;
 192         case 0x30:
 193                 engine->instmem.init            = nv04_instmem_init;
 194                 engine->instmem.takedown        = nv04_instmem_takedown;
 195                 engine->instmem.suspend         = nv04_instmem_suspend;
 196                 engine->instmem.resume          = nv04_instmem_resume;
 197                 engine->instmem.get             = nv04_instmem_get;
 198                 engine->instmem.put             = nv04_instmem_put;
 199                 engine->instmem.map             = nv04_instmem_map;
 200                 engine->instmem.unmap           = nv04_instmem_unmap;
 201                 engine->instmem.flush           = nv04_instmem_flush;
 202                 engine->mc.init                 = nv04_mc_init;
 203                 engine->mc.takedown             = nv04_mc_takedown;
 204                 engine->timer.init              = nv04_timer_init;
 205                 engine->timer.read              = nv04_timer_read;
 206                 engine->timer.takedown          = nv04_timer_takedown;
 207                 engine->fb.init                 = nv30_fb_init;
 208                 engine->fb.takedown             = nv30_fb_takedown;
 209                 engine->fb.init_tile_region     = nv30_fb_init_tile_region;
 210                 engine->fb.set_tile_region      = nv10_fb_set_tile_region;
 211                 engine->fb.free_tile_region     = nv30_fb_free_tile_region;
 212                 engine->fifo.channels           = 32;
 213                 engine->fifo.init               = nv10_fifo_init;
 214                 engine->fifo.takedown           = nv04_fifo_fini;
 215                 engine->fifo.disable            = nv04_fifo_disable;
 216                 engine->fifo.enable             = nv04_fifo_enable;
 217                 engine->fifo.reassign           = nv04_fifo_reassign;
 218                 engine->fifo.cache_pull         = nv04_fifo_cache_pull;
 219                 engine->fifo.channel_id         = nv10_fifo_channel_id;
 220                 engine->fifo.create_context     = nv10_fifo_create_context;
 221                 engine->fifo.destroy_context    = nv04_fifo_destroy_context;
 222                 engine->fifo.load_context       = nv10_fifo_load_context;
 223                 engine->fifo.unload_context     = nv10_fifo_unload_context;
 224                 engine->display.early_init      = nv04_display_early_init;
 225                 engine->display.late_takedown   = nv04_display_late_takedown;
 226                 engine->display.create          = nv04_display_create;
 227                 engine->display.destroy         = nv04_display_destroy;
 228                 engine->display.init            = nv04_display_init;
 229                 engine->display.fini            = nv04_display_fini;
 230                 engine->gpio.drive              = nv10_gpio_drive;
 231                 engine->gpio.sense              = nv10_gpio_sense;
 232                 engine->pm.clocks_get           = nv04_pm_clocks_get;
 233                 engine->pm.clocks_pre           = nv04_pm_clocks_pre;
 234                 engine->pm.clocks_set           = nv04_pm_clocks_set;
 235                 engine->pm.voltage_get          = nouveau_voltage_gpio_get;
 236                 engine->pm.voltage_set          = nouveau_voltage_gpio_set;
 237                 engine->vram.init               = nv20_fb_vram_init;
 238                 engine->vram.takedown           = nouveau_stub_takedown;
 239                 engine->vram.flags_valid        = nouveau_mem_flags_valid;
 240                 break;
 241         case 0x40:
 242         case 0x60:
 243                 engine->instmem.init            = nv04_instmem_init;
 244                 engine->instmem.takedown        = nv04_instmem_takedown;
 245                 engine->instmem.suspend         = nv04_instmem_suspend;
 246                 engine->instmem.resume          = nv04_instmem_resume;
 247                 engine->instmem.get             = nv04_instmem_get;
 248                 engine->instmem.put             = nv04_instmem_put;
 249                 engine->instmem.map             = nv04_instmem_map;
 250                 engine->instmem.unmap           = nv04_instmem_unmap;
 251                 engine->instmem.flush           = nv04_instmem_flush;
 252                 engine->mc.init                 = nv40_mc_init;
 253                 engine->mc.takedown             = nv40_mc_takedown;
 254                 engine->timer.init              = nv04_timer_init;
 255                 engine->timer.read              = nv04_timer_read;
 256                 engine->timer.takedown          = nv04_timer_takedown;
 257                 engine->fb.init                 = nv40_fb_init;
 258                 engine->fb.takedown             = nv40_fb_takedown;
 259                 engine->fb.init_tile_region     = nv30_fb_init_tile_region;
 260                 engine->fb.set_tile_region      = nv40_fb_set_tile_region;
 261                 engine->fb.free_tile_region     = nv30_fb_free_tile_region;
 262                 engine->fifo.channels           = 32;
 263                 engine->fifo.init               = nv40_fifo_init;
 264                 engine->fifo.takedown           = nv04_fifo_fini;
 265                 engine->fifo.disable            = nv04_fifo_disable;
 266                 engine->fifo.enable             = nv04_fifo_enable;
 267                 engine->fifo.reassign           = nv04_fifo_reassign;
 268                 engine->fifo.cache_pull         = nv04_fifo_cache_pull;
 269                 engine->fifo.channel_id         = nv10_fifo_channel_id;
 270                 engine->fifo.create_context     = nv40_fifo_create_context;
 271                 engine->fifo.destroy_context    = nv04_fifo_destroy_context;
 272                 engine->fifo.load_context       = nv40_fifo_load_context;
 273                 engine->fifo.unload_context     = nv40_fifo_unload_context;
 274                 engine->display.early_init      = nv04_display_early_init;
 275                 engine->display.late_takedown   = nv04_display_late_takedown;
 276                 engine->display.create          = nv04_display_create;
 277                 engine->display.destroy         = nv04_display_destroy;
 278                 engine->display.init            = nv04_display_init;
 279                 engine->display.fini            = nv04_display_fini;
 280                 engine->gpio.init               = nv10_gpio_init;
 281                 engine->gpio.fini               = nv10_gpio_fini;
 282                 engine->gpio.drive              = nv10_gpio_drive;
 283                 engine->gpio.sense              = nv10_gpio_sense;
 284                 engine->gpio.irq_enable         = nv10_gpio_irq_enable;
 285                 engine->pm.clocks_get           = nv40_pm_clocks_get;
 286                 engine->pm.clocks_pre           = nv40_pm_clocks_pre;
 287                 engine->pm.clocks_set           = nv40_pm_clocks_set;
 288                 engine->pm.voltage_get          = nouveau_voltage_gpio_get;
 289                 engine->pm.voltage_set          = nouveau_voltage_gpio_set;
 290                 engine->pm.temp_get             = nv40_temp_get;
 291                 engine->pm.pwm_get              = nv40_pm_pwm_get;
 292                 engine->pm.pwm_set              = nv40_pm_pwm_set;
 293                 engine->vram.init               = nv40_fb_vram_init;
 294                 engine->vram.takedown           = nouveau_stub_takedown;
 295                 engine->vram.flags_valid        = nouveau_mem_flags_valid;
 296                 break;
 297         case 0x50:
 298         case 0x80: /* gotta love NVIDIA's consistency.. */
 299         case 0x90:
 300         case 0xa0:
 301                 engine->instmem.init            = nv50_instmem_init;
 302                 engine->instmem.takedown        = nv50_instmem_takedown;
 303                 engine->instmem.suspend         = nv50_instmem_suspend;
 304                 engine->instmem.resume          = nv50_instmem_resume;
 305                 engine->instmem.get             = nv50_instmem_get;
 306                 engine->instmem.put             = nv50_instmem_put;
 307                 engine->instmem.map             = nv50_instmem_map;
 308                 engine->instmem.unmap           = nv50_instmem_unmap;
 309                 if (dev_priv->chipset == 0x50)
 310                         engine->instmem.flush   = nv50_instmem_flush;
 311                 else
 312                         engine->instmem.flush   = nv84_instmem_flush;
 313                 engine->mc.init                 = nv50_mc_init;
 314                 engine->mc.takedown             = nv50_mc_takedown;
 315                 engine->timer.init              = nv04_timer_init;
 316                 engine->timer.read              = nv04_timer_read;
 317                 engine->timer.takedown          = nv04_timer_takedown;
 318                 engine->fb.init                 = nv50_fb_init;
 319                 engine->fb.takedown             = nv50_fb_takedown;
 320                 engine->fifo.channels           = 128;
 321                 engine->fifo.init               = nv50_fifo_init;
 322                 engine->fifo.takedown           = nv50_fifo_takedown;
 323                 engine->fifo.disable            = nv04_fifo_disable;
 324                 engine->fifo.enable             = nv04_fifo_enable;
 325                 engine->fifo.reassign           = nv04_fifo_reassign;
 326                 engine->fifo.channel_id         = nv50_fifo_channel_id;
 327                 engine->fifo.create_context     = nv50_fifo_create_context;
 328                 engine->fifo.destroy_context    = nv50_fifo_destroy_context;
 329                 engine->fifo.load_context       = nv50_fifo_load_context;
 330                 engine->fifo.unload_context     = nv50_fifo_unload_context;
 331                 engine->fifo.tlb_flush          = nv50_fifo_tlb_flush;
 332                 engine->display.early_init      = nv50_display_early_init;
 333                 engine->display.late_takedown   = nv50_display_late_takedown;
 334                 engine->display.create          = nv50_display_create;
 335                 engine->display.destroy         = nv50_display_destroy;
 336                 engine->display.init            = nv50_display_init;
 337                 engine->display.fini            = nv50_display_fini;
 338                 engine->gpio.init               = nv50_gpio_init;
 339                 engine->gpio.fini               = nv50_gpio_fini;
 340                 engine->gpio.drive              = nv50_gpio_drive;
 341                 engine->gpio.sense              = nv50_gpio_sense;
 342                 engine->gpio.irq_enable         = nv50_gpio_irq_enable;
 343                 switch (dev_priv->chipset) {
 344                 case 0x84:
 345                 case 0x86:
 346                 case 0x92:
 347                 case 0x94:
 348                 case 0x96:
 349                 case 0x98:
 350                 case 0xa0:
 351                 case 0xaa:
 352                 case 0xac:
 353                 case 0x50:
 354                         engine->pm.clocks_get   = nv50_pm_clocks_get;
 355                         engine->pm.clocks_pre   = nv50_pm_clocks_pre;
 356                         engine->pm.clocks_set   = nv50_pm_clocks_set;
 357                         break;
 358                 default:
 359                         engine->pm.clocks_get   = nva3_pm_clocks_get;
 360                         engine->pm.clocks_pre   = nva3_pm_clocks_pre;
 361                         engine->pm.clocks_set   = nva3_pm_clocks_set;
 362                         break;
 363                 }
 364                 engine->pm.voltage_get          = nouveau_voltage_gpio_get;
 365                 engine->pm.voltage_set          = nouveau_voltage_gpio_set;
 366                 if (dev_priv->chipset >= 0x84)
 367                         engine->pm.temp_get     = nv84_temp_get;
 368                 else
 369                         engine->pm.temp_get     = nv40_temp_get;
 370                 engine->pm.pwm_get              = nv50_pm_pwm_get;
 371                 engine->pm.pwm_set              = nv50_pm_pwm_set;
 372                 engine->vram.init               = nv50_vram_init;
 373                 engine->vram.takedown           = nv50_vram_fini;
 374                 engine->vram.get                = nv50_vram_new;
 375                 engine->vram.put                = nv50_vram_del;
 376                 engine->vram.flags_valid        = nv50_vram_flags_valid;
 377                 break;
 378         case 0xc0:
 379                 engine->instmem.init            = nvc0_instmem_init;
 380                 engine->instmem.takedown        = nvc0_instmem_takedown;
 381                 engine->instmem.suspend         = nvc0_instmem_suspend;
 382                 engine->instmem.resume          = nvc0_instmem_resume;
 383                 engine->instmem.get             = nv50_instmem_get;
 384                 engine->instmem.put             = nv50_instmem_put;
 385                 engine->instmem.map             = nv50_instmem_map;
 386                 engine->instmem.unmap           = nv50_instmem_unmap;
 387                 engine->instmem.flush           = nv84_instmem_flush;
 388                 engine->mc.init                 = nv50_mc_init;
 389                 engine->mc.takedown             = nv50_mc_takedown;
 390                 engine->timer.init              = nv04_timer_init;
 391                 engine->timer.read              = nv04_timer_read;
 392                 engine->timer.takedown          = nv04_timer_takedown;
 393                 engine->fb.init                 = nvc0_fb_init;
 394                 engine->fb.takedown             = nvc0_fb_takedown;
 395                 engine->fifo.channels           = 128;
 396                 engine->fifo.init               = nvc0_fifo_init;
 397                 engine->fifo.takedown           = nvc0_fifo_takedown;
 398                 engine->fifo.disable            = nvc0_fifo_disable;
 399                 engine->fifo.enable             = nvc0_fifo_enable;
 400                 engine->fifo.reassign           = nvc0_fifo_reassign;
 401                 engine->fifo.channel_id         = nvc0_fifo_channel_id;
 402                 engine->fifo.create_context     = nvc0_fifo_create_context;
 403                 engine->fifo.destroy_context    = nvc0_fifo_destroy_context;
 404                 engine->fifo.load_context       = nvc0_fifo_load_context;
 405                 engine->fifo.unload_context     = nvc0_fifo_unload_context;
 406                 engine->display.early_init      = nv50_display_early_init;
 407                 engine->display.late_takedown   = nv50_display_late_takedown;
 408                 engine->display.create          = nv50_display_create;
 409                 engine->display.destroy         = nv50_display_destroy;
 410                 engine->display.init            = nv50_display_init;
 411                 engine->display.fini            = nv50_display_fini;
 412                 engine->gpio.init               = nv50_gpio_init;
 413                 engine->gpio.fini               = nv50_gpio_fini;
 414                 engine->gpio.drive              = nv50_gpio_drive;
 415                 engine->gpio.sense              = nv50_gpio_sense;
 416                 engine->gpio.irq_enable         = nv50_gpio_irq_enable;
 417                 engine->vram.init               = nvc0_vram_init;
 418                 engine->vram.takedown           = nv50_vram_fini;
 419                 engine->vram.get                = nvc0_vram_new;
 420                 engine->vram.put                = nv50_vram_del;
 421                 engine->vram.flags_valid        = nvc0_vram_flags_valid;
 422                 engine->pm.temp_get             = nv84_temp_get;
 423                 engine->pm.clocks_get           = nvc0_pm_clocks_get;
 424                 engine->pm.clocks_pre           = nvc0_pm_clocks_pre;
 425                 engine->pm.clocks_set           = nvc0_pm_clocks_set;
 426                 engine->pm.voltage_get          = nouveau_voltage_gpio_get;
 427                 engine->pm.voltage_set          = nouveau_voltage_gpio_set;
 428                 engine->pm.pwm_get              = nv50_pm_pwm_get;
 429                 engine->pm.pwm_set              = nv50_pm_pwm_set;
 430                 break;
 431         case 0xd0:
 432                 engine->instmem.init            = nvc0_instmem_init;
 433                 engine->instmem.takedown        = nvc0_instmem_takedown;
 434                 engine->instmem.suspend         = nvc0_instmem_suspend;
 435                 engine->instmem.resume          = nvc0_instmem_resume;
 436                 engine->instmem.get             = nv50_instmem_get;
 437                 engine->instmem.put             = nv50_instmem_put;
 438                 engine->instmem.map             = nv50_instmem_map;
 439                 engine->instmem.unmap           = nv50_instmem_unmap;
 440                 engine->instmem.flush           = nv84_instmem_flush;
 441                 engine->mc.init                 = nv50_mc_init;
 442                 engine->mc.takedown             = nv50_mc_takedown;
 443                 engine->timer.init              = nv04_timer_init;
 444                 engine->timer.read              = nv04_timer_read;
 445                 engine->timer.takedown          = nv04_timer_takedown;
 446                 engine->fb.init                 = nvc0_fb_init;
 447                 engine->fb.takedown             = nvc0_fb_takedown;
 448                 engine->fifo.channels           = 128;
 449                 engine->fifo.init               = nvc0_fifo_init;
 450                 engine->fifo.takedown           = nvc0_fifo_takedown;
 451                 engine->fifo.disable            = nvc0_fifo_disable;
 452                 engine->fifo.enable             = nvc0_fifo_enable;
 453                 engine->fifo.reassign           = nvc0_fifo_reassign;
 454                 engine->fifo.channel_id         = nvc0_fifo_channel_id;
 455                 engine->fifo.create_context     = nvc0_fifo_create_context;
 456                 engine->fifo.destroy_context    = nvc0_fifo_destroy_context;
 457                 engine->fifo.load_context       = nvc0_fifo_load_context;
 458                 engine->fifo.unload_context     = nvc0_fifo_unload_context;
 459                 engine->display.early_init      = nouveau_stub_init;
 460                 engine->display.late_takedown   = nouveau_stub_takedown;
 461                 engine->display.create          = nvd0_display_create;
 462                 engine->display.destroy         = nvd0_display_destroy;
 463                 engine->display.init            = nvd0_display_init;
 464                 engine->display.fini            = nvd0_display_fini;
 465                 engine->gpio.init               = nv50_gpio_init;
 466                 engine->gpio.fini               = nv50_gpio_fini;
 467                 engine->gpio.drive              = nvd0_gpio_drive;
 468                 engine->gpio.sense              = nvd0_gpio_sense;
 469                 engine->gpio.irq_enable         = nv50_gpio_irq_enable;
 470                 engine->vram.init               = nvc0_vram_init;
 471                 engine->vram.takedown           = nv50_vram_fini;
 472                 engine->vram.get                = nvc0_vram_new;
 473                 engine->vram.put                = nv50_vram_del;
 474                 engine->vram.flags_valid        = nvc0_vram_flags_valid;
 475                 engine->pm.temp_get             = nv84_temp_get;
 476                 engine->pm.clocks_get           = nvc0_pm_clocks_get;
 477                 engine->pm.clocks_pre           = nvc0_pm_clocks_pre;
 478                 engine->pm.clocks_set           = nvc0_pm_clocks_set;
 479                 engine->pm.voltage_get          = nouveau_voltage_gpio_get;
 480                 engine->pm.voltage_set          = nouveau_voltage_gpio_set;
 481                 break;
 482         case 0xe0:
 483                 engine->instmem.init            = nvc0_instmem_init;
 484                 engine->instmem.takedown        = nvc0_instmem_takedown;
 485                 engine->instmem.suspend         = nvc0_instmem_suspend;
 486                 engine->instmem.resume          = nvc0_instmem_resume;
 487                 engine->instmem.get             = nv50_instmem_get;
 488                 engine->instmem.put             = nv50_instmem_put;
 489                 engine->instmem.map             = nv50_instmem_map;
 490                 engine->instmem.unmap           = nv50_instmem_unmap;
 491                 engine->instmem.flush           = nv84_instmem_flush;
 492                 engine->mc.init                 = nv50_mc_init;
 493                 engine->mc.takedown             = nv50_mc_takedown;
 494                 engine->timer.init              = nv04_timer_init;
 495                 engine->timer.read              = nv04_timer_read;
 496                 engine->timer.takedown          = nv04_timer_takedown;
 497                 engine->fb.init                 = nvc0_fb_init;
 498                 engine->fb.takedown             = nvc0_fb_takedown;
 499                 engine->fifo.channels           = 4096;
 500                 engine->fifo.init               = nve0_fifo_init;
 501                 engine->fifo.takedown           = nve0_fifo_takedown;
 502                 engine->fifo.disable            = nvc0_fifo_disable;
 503                 engine->fifo.enable             = nvc0_fifo_enable;
 504                 engine->fifo.reassign           = nvc0_fifo_reassign;
 505                 engine->fifo.channel_id         = nve0_fifo_channel_id;
 506                 engine->fifo.create_context     = nve0_fifo_create_context;
 507                 engine->fifo.destroy_context    = nve0_fifo_destroy_context;
 508                 engine->fifo.load_context       = nvc0_fifo_load_context;
 509                 engine->fifo.unload_context     = nve0_fifo_unload_context;
 510                 engine->display.early_init      = nouveau_stub_init;
 511                 engine->display.late_takedown   = nouveau_stub_takedown;
 512                 engine->display.create          = nvd0_display_create;
 513                 engine->display.destroy         = nvd0_display_destroy;
 514                 engine->display.init            = nvd0_display_init;
 515                 engine->display.fini            = nvd0_display_fini;
 516                 engine->gpio.init               = nv50_gpio_init;
 517                 engine->gpio.fini               = nv50_gpio_fini;
 518                 engine->gpio.drive              = nvd0_gpio_drive;
 519                 engine->gpio.sense              = nvd0_gpio_sense;
 520                 engine->gpio.irq_enable         = nv50_gpio_irq_enable;
 521                 engine->vram.init               = nvc0_vram_init;
 522                 engine->vram.takedown           = nv50_vram_fini;
 523                 engine->vram.get                = nvc0_vram_new;
 524                 engine->vram.put                = nv50_vram_del;
 525                 engine->vram.flags_valid        = nvc0_vram_flags_valid;
 526                 break;
 527         default:
 528                 NV_ERROR(dev, "NV%02x unsupported\n", dev_priv->chipset);
 529                 return 1;
 530         }
 531
 532         /* headless mode */
 533         if (nouveau_modeset == 2) {
 534                 engine->display.early_init = nouveau_stub_init;
 535                 engine->display.late_takedown = nouveau_stub_takedown;
 536                 engine->display.create = nouveau_stub_init;
 537                 engine->display.init = nouveau_stub_init;
 538                 engine->display.destroy = nouveau_stub_takedown;
 539         }
 540
 541         return 0;
 542 }
 543
 544 static unsigned int
 545 nouveau_vga_set_decode(void *priv, bool state)
 546 {
 547         struct drm_device *dev = priv;
 548         struct drm_nouveau_private *dev_priv = dev->dev_private;
 549
 550         if (dev_priv->chipset >= 0x40)
 551                 nv_wr32(dev, 0x88054, state);
 552         else
 553                 nv_wr32(dev, 0x1854, state);
 554
 555         if (state)
 556                 return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM |
 557                        VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
 558         else
 559                 return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
 560 }
 561
 562 static void nouveau_switcheroo_set_state(struct pci_dev *pdev,
 563                                          enum vga_switcheroo_state state)
 564 {
 565         struct drm_device *dev = pci_get_drvdata(pdev);
 566         pm_message_t pmm = { .event = PM_EVENT_SUSPEND };
 567         if (state == VGA_SWITCHEROO_ON) {
 568                 printk(KERN_ERR "VGA switcheroo: switched nouveau on\n");
 569                 dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
 570                 nouveau_pci_resume(pdev);
 571                 drm_kms_helper_poll_enable(dev);
 572                 dev->switch_power_state = DRM_SWITCH_POWER_ON;
 573         } else {
 574                 printk(KERN_ERR "VGA switcheroo: switched nouveau off\n");
 575                 dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
 576                 drm_kms_helper_poll_disable(dev);
 577                 nouveau_switcheroo_optimus_dsm();
 578                 nouveau_pci_suspend(pdev, pmm);
 579                 dev->switch_power_state = DRM_SWITCH_POWER_OFF;
 580         }
 581 }
 582
 583 static void nouveau_switcheroo_reprobe(struct pci_dev *pdev)
 584 {
 585         struct drm_device *dev = pci_get_drvdata(pdev);
 586         nouveau_fbcon_output_poll_changed(dev);
 587 }
 588
 589 static bool nouveau_switcheroo_can_switch(struct pci_dev *pdev)
 590 {
 591         struct drm_device *dev = pci_get_drvdata(pdev);
 592         bool can_switch;
 593
 594         spin_lock(&dev->count_lock);
 595         can_switch = (dev->open_count == 0);
 596         spin_unlock(&dev->count_lock);
 597         return can_switch;
 598 }
 599
 600 static void
 601 nouveau_card_channel_fini(struct drm_device *dev)
 602 {
 603         struct drm_nouveau_private *dev_priv = dev->dev_private;
 604
 605         if (dev_priv->channel)
 606                 nouveau_channel_put_unlocked(&dev_priv->channel);
 607 }
 608
 609 static int
 610 nouveau_card_channel_init(struct drm_device *dev)
 611 {
 612         struct drm_nouveau_private *dev_priv = dev->dev_private;
 613         struct nouveau_channel *chan;
 614         int ret, oclass;
 615
 616         ret = nouveau_channel_alloc(dev, &chan, NULL, NvDmaFB, NvDmaTT);
 617         dev_priv->channel = chan;
 618         if (ret)
 619                 return ret;
 620
 621         mutex_unlock(&dev_priv->channel->mutex);
 622
 623         if (dev_priv->card_type <= NV_50) {
 624                 if (dev_priv->card_type < NV_50)
 625                         oclass = 0x0039;
 626                 else
 627                         oclass = 0x5039;
 628
 629                 ret = nouveau_gpuobj_gr_new(chan, NvM2MF, oclass);
 630                 if (ret)
 631                         goto error;
 632
 633                 ret = nouveau_notifier_alloc(chan, NvNotify0, 32, 0xfe0, 0x1000,
 634                                              &chan->m2mf_ntfy);
 635                 if (ret)
 636                         goto error;
 637
 638                 ret = RING_SPACE(chan, 6);
 639                 if (ret)
 640                         goto error;
 641
 642                 BEGIN_RING(chan, NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_NAME, 1);
 643                 OUT_RING  (chan, NvM2MF);
 644                 BEGIN_RING(chan, NvSubM2MF, NV_MEMORY_TO_MEMORY_FORMAT_DMA_NOTIFY, 3);
 645                 OUT_RING  (chan, NvNotify0);
 646                 OUT_RING  (chan, chan->vram_handle);
 647                 OUT_RING  (chan, chan->gart_handle);
 648         } else
 649         if (dev_priv->card_type <= NV_D0) {
 650                 ret = nouveau_gpuobj_gr_new(chan, 0x9039, 0x9039);
 651                 if (ret)
 652                         goto error;
 653
 654                 ret = RING_SPACE(chan, 2);
 655                 if (ret)
 656                         goto error;
 657
 658                 BEGIN_NVC0(chan, 2, NvSubM2MF, 0x0000, 1);
 659                 OUT_RING  (chan, 0x00009039);
 660         } else
 661         if (dev_priv->card_type <= NV_E0) {
 662                 /* not used, but created to get a graph context */
 663                 ret = nouveau_gpuobj_gr_new(chan, 0xa040, 0xa040);
 664                 if (ret)
 665                         goto error;
 666
 667                 /* bind strange copy engine to subchannel 4 (fixed...) */
 668                 ret = RING_SPACE(chan, 2);
 669                 if (ret)
 670                         goto error;
 671
 672                 BEGIN_NVC0(chan, 2, NvSubCopy, 0x0000, 1);
 673                 OUT_RING  (chan, 0x0000a0b5);
 674         }
 675
 676         FIRE_RING (chan);
 677 error:
 678         if (ret)
 679                 nouveau_card_channel_fini(dev);
 680         return ret;
 681 }
 682
 683 static const struct vga_switcheroo_client_ops nouveau_switcheroo_ops = {
 684         .set_gpu_state = nouveau_switcheroo_set_state,
 685         .reprobe = nouveau_switcheroo_reprobe,
 686         .can_switch = nouveau_switcheroo_can_switch,
 687 };
 688
 689 int
 690 nouveau_card_init(struct drm_device *dev)
 691 {
 692         struct drm_nouveau_private *dev_priv = dev->dev_private;
 693         struct nouveau_engine *engine;
 694         int ret, e = 0;
 695
 696         vga_client_register(dev->pdev, dev, NULL, nouveau_vga_set_decode);
 697         vga_switcheroo_register_client(dev->pdev, &nouveau_switcheroo_ops);
 698
 699         /* Initialise internal driver API hooks */
 700         ret = nouveau_init_engine_ptrs(dev);
 701         if (ret)
 702                 goto out;
 703         engine = &dev_priv->engine;
 704         spin_lock_init(&dev_priv->channels.lock);
 705         spin_lock_init(&dev_priv->tile.lock);
 706         spin_lock_init(&dev_priv->context_switch_lock);
 707         spin_lock_init(&dev_priv->vm_lock);
 708
 709         /* Make the CRTCs and I2C buses accessible */
 710         ret = engine->display.early_init(dev);
 711         if (ret)
 712                 goto out;
 713
 714         /* Parse BIOS tables / Run init tables if card not POSTed */
 715         ret = nouveau_bios_init(dev);
 716         if (ret)
 717                 goto out_display_early;
 718
 719         /* workaround an odd issue on nvc1 by disabling the device's
 720          * nosnoop capability.  hopefully won't cause issues until a
 721          * better fix is found - assuming there is one...
 722          */
 723         if (dev_priv->chipset == 0xc1) {
 724                 nv_mask(dev, 0x00088080, 0x00000800, 0x00000000);
 725         }
 726
 727         /* PMC */
 728         ret = engine->mc.init(dev);
 729         if (ret)
 730                 goto out_bios;
 731
 732         /* PTIMER */
 733         ret = engine->timer.init(dev);
 734         if (ret)
 735                 goto out_mc;
 736
 737         /* PFB */
 738         ret = engine->fb.init(dev);
 739         if (ret)
 740                 goto out_timer;
 741
 742         ret = engine->vram.init(dev);
 743         if (ret)
 744                 goto out_fb;
 745
 746         /* PGPIO */
 747         ret = nouveau_gpio_create(dev);
 748         if (ret)
 749                 goto out_vram;
 750
 751         ret = nouveau_gpuobj_init(dev);
 752         if (ret)
 753                 goto out_gpio;
 754
 755         ret = engine->instmem.init(dev);
 756         if (ret)
 757                 goto out_gpuobj;
 758
 759         ret = nouveau_mem_vram_init(dev);
 760         if (ret)
 761                 goto out_instmem;
 762
 763         ret = nouveau_mem_gart_init(dev);
 764         if (ret)
 765                 goto out_ttmvram;
 766
 767         if (!dev_priv->noaccel) {
 768                 switch (dev_priv->card_type) {
 769                 case NV_04:
 770                         nv04_graph_create(dev);
 771                         break;
 772                 case NV_10:
 773                         nv10_graph_create(dev);
 774                         break;
 775                 case NV_20:
 776                 case NV_30:
 777                         nv20_graph_create(dev);
 778                         break;
 779                 case NV_40:
 780                         nv40_graph_create(dev);
 781                         break;
 782                 case NV_50:
 783                         nv50_graph_create(dev);
 784                         break;
 785                 case NV_C0:
 786                 case NV_D0:
 787                         nvc0_graph_create(dev);
 788                         break;
 789                 case NV_E0:
 790                         nve0_graph_create(dev);
 791                         break;
 792                 default:
 793                         break;
 794                 }
 795
 796                 switch (dev_priv->chipset) {
 797                 case 0x84:
 798                 case 0x86:
 799                 case 0x92:
 800                 case 0x94:
 801                 case 0x96:
 802                 case 0xa0:
 803                         nv84_crypt_create(dev);
 804                         break;
 805                 case 0x98:
 806                 case 0xaa:
 807                 case 0xac:
 808                         nv98_crypt_create(dev);
 809                         break;
 810                 }
 811
 812                 switch (dev_priv->card_type) {
 813                 case NV_50:
 814                         switch (dev_priv->chipset) {
 815                         case 0xa3:
 816                         case 0xa5:
 817                         case 0xa8:
 818                         case 0xaf:
 819                                 nva3_copy_create(dev);
 820                                 break;
 821                         }
 822                         break;
 823                 case NV_C0:
 824                         nvc0_copy_create(dev, 0);
 825                         nvc0_copy_create(dev, 1);
 826                         break;
 827                 default:
 828                         break;
 829                 }
 830
 831                 if (dev_priv->chipset >= 0xa3 || dev_priv->chipset == 0x98) {
 832                         nv84_bsp_create(dev);
 833                         nv84_vp_create(dev);
 834                         nv98_ppp_create(dev);
 835                 } else
 836                 if (dev_priv->chipset >= 0x84) {
 837                         nv50_mpeg_create(dev);
 838                         nv84_bsp_create(dev);
 839                         nv84_vp_create(dev);
 840                 } else
 841                 if (dev_priv->chipset >= 0x50) {
 842                         nv50_mpeg_create(dev);
 843                 } else
 844                 if (dev_priv->card_type == NV_40 ||
 845                     dev_priv->chipset == 0x31 ||
 846                     dev_priv->chipset == 0x34 ||
 847                     dev_priv->chipset == 0x36) {
 848                         nv31_mpeg_create(dev);
 849                 }
 850
 851                 for (e = 0; e < NVOBJ_ENGINE_NR; e++) {
 852                         if (dev_priv->eng[e]) {
 853                                 ret = dev_priv->eng[e]->init(dev, e);
 854                                 if (ret)
 855                                         goto out_engine;
 856                         }
 857                 }
 858
 859                 /* PFIFO */
 860                 ret = engine->fifo.init(dev);
 861                 if (ret)
 862                         goto out_engine;
 863         }
 864
 865         ret = nouveau_irq_init(dev);
 866         if (ret)
 867                 goto out_fifo;
 868
 869         ret = nouveau_display_create(dev);
 870         if (ret)
 871                 goto out_irq;
 872
 873         nouveau_backlight_init(dev);
 874         nouveau_pm_init(dev);
 875
 876         ret = nouveau_fence_init(dev);
 877         if (ret)
 878                 goto out_pm;
 879
 880         if (dev_priv->eng[NVOBJ_ENGINE_GR]) {
 881                 ret = nouveau_card_channel_init(dev);
 882                 if (ret)
 883                         goto out_fence;
 884         }
 885
 886         if (dev->mode_config.num_crtc) {
 887                 ret = nouveau_display_init(dev);
 888                 if (ret)
 889                         goto out_chan;
 890
 891                 nouveau_fbcon_init(dev);
 892         }
 893
 894         return 0;
 895
 896 out_chan:
 897         nouveau_card_channel_fini(dev);
 898 out_fence:
 899         nouveau_fence_fini(dev);
 900 out_pm:
 901         nouveau_pm_fini(dev);
 902         nouveau_backlight_exit(dev);
 903         nouveau_display_destroy(dev);
 904 out_irq:
 905         nouveau_irq_fini(dev);
 906 out_fifo:
 907         if (!dev_priv->noaccel)
 908                 engine->fifo.takedown(dev);
 909 out_engine:
 910         if (!dev_priv->noaccel) {
 911                 for (e = e - 1; e >= 0; e--) {
 912                         if (!dev_priv->eng[e])
 913                                 continue;
 914                         dev_priv->eng[e]->fini(dev, e, false);
 915                         dev_priv->eng[e]->destroy(dev,e );
 916                 }
 917         }
 918         nouveau_mem_gart_fini(dev);
 919 out_ttmvram:
 920         nouveau_mem_vram_fini(dev);
 921 out_instmem:
 922         engine->instmem.takedown(dev);
 923 out_gpuobj:
 924         nouveau_gpuobj_takedown(dev);
 925 out_gpio:
 926         nouveau_gpio_destroy(dev);
 927 out_vram:
 928         engine->vram.takedown(dev);
 929 out_fb:
 930         engine->fb.takedown(dev);
 931 out_timer:
 932         engine->timer.takedown(dev);
 933 out_mc:
 934         engine->mc.takedown(dev);
 935 out_bios:
 936         nouveau_bios_takedown(dev);
 937 out_display_early:
 938         engine->display.late_takedown(dev);
 939 out:
 940         vga_client_register(dev->pdev, NULL, NULL, NULL);
 941         return ret;
 942 }
 943
 944 static void nouveau_card_takedown(struct drm_device *dev)
 945 {
 946         struct drm_nouveau_private *dev_priv = dev->dev_private;
 947         struct nouveau_engine *engine = &dev_priv->engine;
 948         int e;
 949
 950         if (dev->mode_config.num_crtc) {
 951                 nouveau_fbcon_fini(dev);
 952                 nouveau_display_fini(dev);
 953         }
 954
 955         nouveau_card_channel_fini(dev);
 956         nouveau_fence_fini(dev);
 957         nouveau_pm_fini(dev);
 958         nouveau_backlight_exit(dev);
 959         nouveau_display_destroy(dev);
 960
 961         if (!dev_priv->noaccel) {
 962                 engine->fifo.takedown(dev);
 963                 for (e = NVOBJ_ENGINE_NR - 1; e >= 0; e--) {
 964                         if (dev_priv->eng[e]) {
 965                                 dev_priv->eng[e]->fini(dev, e, false);
 966                                 dev_priv->eng[e]->destroy(dev,e );
 967                         }
 968                 }
 969         }
 970
 971         if (dev_priv->vga_ram) {
 972                 nouveau_bo_unpin(dev_priv->vga_ram);
 973                 nouveau_bo_ref(NULL, &dev_priv->vga_ram);
 974         }
 975
 976         mutex_lock(&dev->struct_mutex);
 977         ttm_bo_clean_mm(&dev_priv->ttm.bdev, TTM_PL_VRAM);
 978         ttm_bo_clean_mm(&dev_priv->ttm.bdev, TTM_PL_TT);
 979         mutex_unlock(&dev->struct_mutex);
 980         nouveau_mem_gart_fini(dev);
 981         nouveau_mem_vram_fini(dev);
 982
 983         engine->instmem.takedown(dev);
 984         nouveau_gpuobj_takedown(dev);
 985
 986         nouveau_gpio_destroy(dev);
 987         engine->vram.takedown(dev);
 988         engine->fb.takedown(dev);
 989         engine->timer.takedown(dev);
 990         engine->mc.takedown(dev);
 991
 992         nouveau_bios_takedown(dev);
 993         engine->display.late_takedown(dev);
 994
 995         nouveau_irq_fini(dev);
 996
 997         vga_client_register(dev->pdev, NULL, NULL, NULL);
 998 }
 999
1000 int
1001 nouveau_open(struct drm_device *dev, struct drm_file *file_priv)
1002 {
1003         struct drm_nouveau_private *dev_priv = dev->dev_private;
1004         struct nouveau_fpriv *fpriv;
1005         int ret;
1006
1007         fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
1008         if (unlikely(!fpriv))
1009                 return -ENOMEM;
1010
1011         spin_lock_init(&fpriv->lock);
1012         INIT_LIST_HEAD(&fpriv->channels);
1013
1014         if (dev_priv->card_type == NV_50) {
1015                 ret = nouveau_vm_new(dev, 0, (1ULL << 40), 0x0020000000ULL,
1016                                      &fpriv->vm);
1017                 if (ret) {
1018                         kfree(fpriv);
1019                         return ret;
1020                 }
1021         } else
1022         if (dev_priv->card_type >= NV_C0) {
1023                 ret = nouveau_vm_new(dev, 0, (1ULL << 40), 0x0008000000ULL,
1024                                      &fpriv->vm);
1025                 if (ret) {
1026                         kfree(fpriv);
1027                         return ret;
1028                 }
1029         }
1030
1031         file_priv->driver_priv = fpriv;
1032         return 0;
1033 }
1034
1035 /* here a client dies, release the stuff that was allocated for its
1036  * file_priv */
1037 void nouveau_preclose(struct drm_device *dev, struct drm_file *file_priv)
1038 {
1039         nouveau_channel_cleanup(dev, file_priv);
1040 }
1041
1042 void
1043 nouveau_postclose(struct drm_device *dev, struct drm_file *file_priv)
1044 {
1045         struct nouveau_fpriv *fpriv = nouveau_fpriv(file_priv);
1046         nouveau_vm_ref(NULL, &fpriv->vm, NULL);
1047         kfree(fpriv);
1048 }
1049
1050 /* first module load, setup the mmio/fb mapping */
1051 /* KMS: we need mmio at load time, not when the first drm client opens. */
1052 int nouveau_firstopen(struct drm_device *dev)
1053 {
1054         return 0;
1055 }
1056
1057 /* if we have an OF card, copy vbios to RAMIN */
1058 static void nouveau_OF_copy_vbios_to_ramin(struct drm_device *dev)
1059 {
1060 #if defined(__powerpc__)
1061         int size, i;
1062         const uint32_t *bios;
1063         struct device_node *dn = pci_device_to_OF_node(dev->pdev);
1064         if (!dn) {
1065                 NV_INFO(dev, "Unable to get the OF node\n");
1066                 return;
1067         }
1068
1069         bios = of_get_property(dn, "NVDA,BMP", &size);
1070         if (bios) {
1071                 for (i = 0; i < size; i += 4)
1072                         nv_wi32(dev, i, bios[i/4]);
1073                 NV_INFO(dev, "OF bios successfully copied (%d bytes)\n", size);
1074         } else {
1075                 NV_INFO(dev, "Unable to get the OF bios\n");
1076         }
1077 #endif
1078 }
1079
1080 static struct apertures_struct *nouveau_get_apertures(struct drm_device *dev)
1081 {
1082         struct pci_dev *pdev = dev->pdev;
1083         struct apertures_struct *aper = alloc_apertures(3);
1084         if (!aper)
1085                 return NULL;
1086
1087         aper->ranges[0].base = pci_resource_start(pdev, 1);
1088         aper->ranges[0].size = pci_resource_len(pdev, 1);
1089         aper->count = 1;
1090
1091         if (pci_resource_len(pdev, 2)) {
1092                 aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
1093                 aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
1094                 aper->count++;
1095         }
1096
1097         if (pci_resource_len(pdev, 3)) {
1098                 aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
1099                 aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
1100                 aper->count++;
1101         }
1102
1103         return aper;
1104 }
1105
1106 static int nouveau_remove_conflicting_drivers(struct drm_device *dev)
1107 {
1108         struct drm_nouveau_private *dev_priv = dev->dev_private;
1109         bool primary = false;
1110         dev_priv->apertures = nouveau_get_apertures(dev);
1111         if (!dev_priv->apertures)
1112                 return -ENOMEM;
1113
1114 #ifdef CONFIG_X86
1115         primary = dev->pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
1116 #endif
1117
1118         remove_conflicting_framebuffers(dev_priv->apertures, "nouveaufb", primary);
1119         return 0;
1120 }
1121
1122 int nouveau_load(struct drm_device *dev, unsigned long flags)
1123 {
1124         struct drm_nouveau_private *dev_priv;
1125         unsigned long long offset, length;
1126         uint32_t reg0 = ~0, strap;
1127         int ret;
1128
1129         dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
1130         if (!dev_priv) {
1131                 ret = -ENOMEM;
1132                 goto err_out;
1133         }
1134         dev->dev_private = dev_priv;
1135         dev_priv->dev = dev;
1136
1137         pci_set_master(dev->pdev);
1138
1139         dev_priv->flags = flags & NOUVEAU_FLAGS;
1140
1141         NV_DEBUG(dev, "vendor: 0x%X device: 0x%X class: 0x%X\n",
1142                  dev->pci_vendor, dev->pci_device, dev->pdev->class);
1143
1144         /* first up, map the start of mmio and determine the chipset */
1145         dev_priv->mmio = ioremap(pci_resource_start(dev->pdev, 0), PAGE_SIZE);
1146         if (dev_priv->mmio) {
1147 #ifdef __BIG_ENDIAN
1148                 /* put the card into big-endian mode if it's not */
1149                 if (nv_rd32(dev, NV03_PMC_BOOT_1) != 0x01000001)
1150                         nv_wr32(dev, NV03_PMC_BOOT_1, 0x01000001);
1151                 DRM_MEMORYBARRIER();
1152 #endif
1153
1154                 /* determine chipset and derive architecture from it */
1155                 reg0 = nv_rd32(dev, NV03_PMC_BOOT_0);
1156                 if ((reg0 & 0x0f000000) > 0) {
1157                         dev_priv->chipset = (reg0 & 0xff00000) >> 20;
1158                         switch (dev_priv->chipset & 0xf0) {
1159                         case 0x10:
1160                         case 0x20:
1161                         case 0x30:
1162                                 dev_priv->card_type = dev_priv->chipset & 0xf0;
1163                                 break;
1164                         case 0x40:
1165                         case 0x60:
1166                                 dev_priv->card_type = NV_40;
1167                                 break;
1168                         case 0x50:
1169                         case 0x80:
1170                         case 0x90:
1171                         case 0xa0:
1172                                 dev_priv->card_type = NV_50;
1173                                 break;
1174                         case 0xc0:
1175                                 dev_priv->card_type = NV_C0;
1176                                 break;
1177                         case 0xd0:
1178                                 dev_priv->card_type = NV_D0;
1179                                 break;
1180                         case 0xe0:
1181                                 dev_priv->card_type = NV_E0;
1182                                 break;
1183                         default:
1184                                 break;
1185                         }
1186                 } else
1187                 if ((reg0 & 0xff00fff0) == 0x20004000) {
1188                         if (reg0 & 0x00f00000)
1189                                 dev_priv->chipset = 0x05;
1190                         else
1191                                 dev_priv->chipset = 0x04;
1192                         dev_priv->card_type = NV_04;
1193                 }
1194
1195                 iounmap(dev_priv->mmio);
1196         }
1197
1198         if (!dev_priv->card_type) {
1199                 NV_ERROR(dev, "unsupported chipset 0x%08x\n", reg0);
1200                 ret = -EINVAL;
1201                 goto err_priv;
1202         }
1203
1204         NV_INFO(dev, "Detected an NV%2x generation card (0x%08x)\n",
1205                      dev_priv->card_type, reg0);
1206
1207         /* map the mmio regs, limiting the amount to preserve vmap space */
1208         offset = pci_resource_start(dev->pdev, 0);
1209         length = pci_resource_len(dev->pdev, 0);
1210         if (dev_priv->card_type < NV_E0)
1211                 length = min(length, (unsigned long long)0x00800000);
1212
1213         dev_priv->mmio = ioremap(offset, length);
1214         if (!dev_priv->mmio) {
1215                 NV_ERROR(dev, "Unable to initialize the mmio mapping. "
1216                          "Please report your setup to " DRIVER_EMAIL "\n");
1217                 ret = -EINVAL;
1218                 goto err_priv;
1219         }
1220         NV_DEBUG(dev, "regs mapped ok at 0x%llx\n", offset);
1221
1222         /* determine frequency of timing crystal */
1223         strap = nv_rd32(dev, 0x101000);
1224         if ( dev_priv->chipset < 0x17 ||
1225             (dev_priv->chipset >= 0x20 && dev_priv->chipset <= 0x25))
1226                 strap &= 0x00000040;
1227         else
1228                 strap &= 0x00400040;
1229
1230         switch (strap) {
1231         case 0x00000000: dev_priv->crystal = 13500; break;
1232         case 0x00000040: dev_priv->crystal = 14318; break;
1233         case 0x00400000: dev_priv->crystal = 27000; break;
1234         case 0x00400040: dev_priv->crystal = 25000; break;
1235         }
1236
1237         NV_DEBUG(dev, "crystal freq: %dKHz\n", dev_priv->crystal);
1238
1239         /* Determine whether we'll attempt acceleration or not, some
1240          * cards are disabled by default here due to them being known
1241          * non-functional, or never been tested due to lack of hw.
1242          */
1243         dev_priv->noaccel = !!nouveau_noaccel;
1244         if (nouveau_noaccel == -1) {
1245                 switch (dev_priv->chipset) {
1246                 case 0xd9: /* known broken */
1247                 case 0xe4: /* needs binary driver firmware */
1248                 case 0xe7: /* needs binary driver firmware */
1249                         NV_INFO(dev, "acceleration disabled by default, pass "
1250                                      "noaccel=0 to force enable\n");
1251                         dev_priv->noaccel = true;
1252                         break;
1253                 default:
1254                         dev_priv->noaccel = false;
1255                         break;
1256                 }
1257         }
1258
1259         ret = nouveau_remove_conflicting_drivers(dev);
1260         if (ret)
1261                 goto err_mmio;
1262
1263         /* Map PRAMIN BAR, or on older cards, the aperture within BAR0 */
1264         if (dev_priv->card_type >= NV_40) {
1265                 int ramin_bar = 2;
1266                 if (pci_resource_len(dev->pdev, ramin_bar) == 0)
1267                         ramin_bar = 3;
1268
1269                 dev_priv->ramin_size = pci_resource_len(dev->pdev, ramin_bar);
1270                 dev_priv->ramin =
1271                         ioremap(pci_resource_start(dev->pdev, ramin_bar),
1272                                 dev_priv->ramin_size);
1273                 if (!dev_priv->ramin) {
1274                         NV_ERROR(dev, "Failed to map PRAMIN BAR\n");
1275                         ret = -ENOMEM;
1276                         goto err_mmio;
1277                 }
1278         } else {
1279                 dev_priv->ramin_size = 1 * 1024 * 1024;
1280                 dev_priv->ramin = ioremap(offset + NV_RAMIN,
1281                                           dev_priv->ramin_size);
1282                 if (!dev_priv->ramin) {
1283                         NV_ERROR(dev, "Failed to map BAR0 PRAMIN.\n");
1284                         ret = -ENOMEM;
1285                         goto err_mmio;
1286                 }
1287         }
1288
1289         nouveau_OF_copy_vbios_to_ramin(dev);
1290
1291         /* Special flags */
1292         if (dev->pci_device == 0x01a0)
1293                 dev_priv->flags |= NV_NFORCE;
1294         else if (dev->pci_device == 0x01f0)
1295                 dev_priv->flags |= NV_NFORCE2;
1296
1297         /* For kernel modesetting, init card now and bring up fbcon */
1298         ret = nouveau_card_init(dev);
1299         if (ret)
1300                 goto err_ramin;
1301
1302         return 0;
1303
1304 err_ramin:
1305         iounmap(dev_priv->ramin);
1306 err_mmio:
1307         iounmap(dev_priv->mmio);
1308 err_priv:
1309         kfree(dev_priv);
1310         dev->dev_private = NULL;
1311 err_out:
1312         return ret;
1313 }
1314
1315 void nouveau_lastclose(struct drm_device *dev)
1316 {
1317         vga_switcheroo_process_delayed_switch();
1318 }
1319
1320 int nouveau_unload(struct drm_device *dev)
1321 {
1322         struct drm_nouveau_private *dev_priv = dev->dev_private;
1323
1324         nouveau_card_takedown(dev);
1325
1326         iounmap(dev_priv->mmio);
1327         iounmap(dev_priv->ramin);
1328
1329         kfree(dev_priv);
1330         dev->dev_private = NULL;
1331         return 0;
1332 }
1333
1334 int nouveau_ioctl_getparam(struct drm_device *dev, void *data,
1335                                                 struct drm_file *file_priv)
1336 {
1337         struct drm_nouveau_private *dev_priv = dev->dev_private;
1338         struct drm_nouveau_getparam *getparam = data;
1339
1340         switch (getparam->param) {
1341         case NOUVEAU_GETPARAM_CHIPSET_ID:
1342                 getparam->value = dev_priv->chipset;
1343                 break;
1344         case NOUVEAU_GETPARAM_PCI_VENDOR:
1345                 getparam->value = dev->pci_vendor;
1346                 break;
1347         case NOUVEAU_GETPARAM_PCI_DEVICE:
1348                 getparam->value = dev->pci_device;
1349                 break;
1350         case NOUVEAU_GETPARAM_BUS_TYPE:
1351                 if (drm_pci_device_is_agp(dev))
1352                         getparam->value = NV_AGP;
1353                 else if (pci_is_pcie(dev->pdev))
1354                         getparam->value = NV_PCIE;
1355                 else
1356                         getparam->value = NV_PCI;
1357                 break;
1358         case NOUVEAU_GETPARAM_FB_SIZE:
1359                 getparam->value = dev_priv->fb_available_size;
1360                 break;
1361         case NOUVEAU_GETPARAM_AGP_SIZE:
1362                 getparam->value = dev_priv->gart_info.aper_size;
1363                 break;
1364         case NOUVEAU_GETPARAM_VM_VRAM_BASE:
1365                 getparam->value = 0; /* deprecated */
1366                 break;
1367         case NOUVEAU_GETPARAM_PTIMER_TIME:
1368                 getparam->value = dev_priv->engine.timer.read(dev);
1369                 break;
1370         case NOUVEAU_GETPARAM_HAS_BO_USAGE:
1371                 getparam->value = 1;
1372                 break;
1373         case NOUVEAU_GETPARAM_HAS_PAGEFLIP:
1374                 getparam->value = 1;
1375                 break;
1376         case NOUVEAU_GETPARAM_GRAPH_UNITS:
1377                 /* NV40 and NV50 versions are quite different, but register
1378                  * address is the same. User is supposed to know the card
1379                  * family anyway... */
1380                 if (dev_priv->chipset >= 0x40) {
1381                         getparam->value = nv_rd32(dev, NV40_PMC_GRAPH_UNITS);
1382                         break;
1383                 }
1384                 /* FALLTHRU */
1385         default:
1386                 NV_DEBUG(dev, "unknown parameter %lld\n", getparam->param);
1387                 return -EINVAL;
1388         }
1389
1390         return 0;
1391 }
1392
1393 int
1394 nouveau_ioctl_setparam(struct drm_device *dev, void *data,
1395                        struct drm_file *file_priv)
1396 {
1397         struct drm_nouveau_setparam *setparam = data;
1398
1399         switch (setparam->param) {
1400         default:
1401                 NV_DEBUG(dev, "unknown parameter %lld\n", setparam->param);
1402                 return -EINVAL;
1403         }
1404
1405         return 0;
1406 }
1407
1408 /* Wait until (value(reg) & mask) == val, up until timeout has hit */
1409 bool
1410 nouveau_wait_eq(struct drm_device *dev, uint64_t timeout,
1411                 uint32_t reg, uint32_t mask, uint32_t val)
1412 {
1413         struct drm_nouveau_private *dev_priv = dev->dev_private;
1414         struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
1415         uint64_t start = ptimer->read(dev);
1416
1417         do {
1418                 if ((nv_rd32(dev, reg) & mask) == val)
1419                         return true;
1420         } while (ptimer->read(dev) - start < timeout);
1421
1422         return false;
1423 }
1424
1425 /* Wait until (value(reg) & mask) != val, up until timeout has hit */
1426 bool
1427 nouveau_wait_ne(struct drm_device *dev, uint64_t timeout,
1428                 uint32_t reg, uint32_t mask, uint32_t val)
1429 {
1430         struct drm_nouveau_private *dev_priv = dev->dev_private;
1431         struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
1432         uint64_t start = ptimer->read(dev);
1433
1434         do {
1435                 if ((nv_rd32(dev, reg) & mask) != val)
1436                         return true;
1437         } while (ptimer->read(dev) - start < timeout);
1438
1439         return false;
1440 }
1441
1442 /* Wait until cond(data) == true, up until timeout has hit */
1443 bool
1444 nouveau_wait_cb(struct drm_device *dev, u64 timeout,
1445                 bool (*cond)(void *), void *data)
1446 {
1447         struct drm_nouveau_private *dev_priv = dev->dev_private;
1448         struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
1449         u64 start = ptimer->read(dev);
1450
1451         do {
1452                 if (cond(data) == true)
1453                         return true;
1454         } while (ptimer->read(dev) - start < timeout);
1455
1456         return false;
1457 }
1458
1459 /* Waits for PGRAPH to go completely idle */
1460 bool nouveau_wait_for_idle(struct drm_device *dev)
1461 {
1462         struct drm_nouveau_private *dev_priv = dev->dev_private;
1463         uint32_t mask = ~0;
1464
1465         if (dev_priv->card_type == NV_40)
1466                 mask &= ~NV40_PGRAPH_STATUS_SYNC_STALL;
1467
1468         if (!nv_wait(dev, NV04_PGRAPH_STATUS, mask, 0)) {
1469                 NV_ERROR(dev, "PGRAPH idle timed out with status 0x%08x\n",
1470                          nv_rd32(dev, NV04_PGRAPH_STATUS));
1471                 return false;
1472         }
1473
1474         return true;
1475 }
1476