drivers/gpu/drm/nouveau/nouveau_drv.c

   1 /*
   2  * Copyright 2005 Stephane Marchesin.
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22  * OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 #include <linux/console.h>
  26 #include <linux/module.h>
  27
  28 #include "drmP.h"
  29 #include "drm.h"
  30 #include "drm_crtc_helper.h"
  31 #include "nouveau_drv.h"
  32 #include "nouveau_hw.h"
  33 #include "nouveau_fb.h"
  34 #include "nouveau_fbcon.h"
  35 #include "nouveau_pm.h"
  36 #include "nv50_display.h"
  37
  38 #include "drm_pciids.h"
  39
  40 MODULE_PARM_DESC(agpmode, "AGP mode (0 to disable AGP)");
  41 int nouveau_agpmode = -1;
  42 module_param_named(agpmode, nouveau_agpmode, int, 0400);
  43
  44 MODULE_PARM_DESC(modeset, "Enable kernel modesetting");
  45 int nouveau_modeset = -1;
  46 module_param_named(modeset, nouveau_modeset, int, 0400);
  47
  48 MODULE_PARM_DESC(vbios, "Override default VBIOS location");
  49 char *nouveau_vbios;
  50 module_param_named(vbios, nouveau_vbios, charp, 0400);
  51
  52 MODULE_PARM_DESC(vram_pushbuf, "Force DMA push buffers to be in VRAM");
  53 int nouveau_vram_pushbuf;
  54 module_param_named(vram_pushbuf, nouveau_vram_pushbuf, int, 0400);
  55
  56 MODULE_PARM_DESC(vram_notify, "Force DMA notifiers to be in VRAM");
  57 int nouveau_vram_notify = 0;
  58 module_param_named(vram_notify, nouveau_vram_notify, int, 0400);
  59
  60 MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (>=GeForce 8)");
  61 int nouveau_duallink = 1;
  62 module_param_named(duallink, nouveau_duallink, int, 0400);
  63
  64 MODULE_PARM_DESC(uscript_lvds, "LVDS output script table ID (>=GeForce 8)");
  65 int nouveau_uscript_lvds = -1;
  66 module_param_named(uscript_lvds, nouveau_uscript_lvds, int, 0400);
  67
  68 MODULE_PARM_DESC(uscript_tmds, "TMDS output script table ID (>=GeForce 8)");
  69 int nouveau_uscript_tmds = -1;
  70 module_param_named(uscript_tmds, nouveau_uscript_tmds, int, 0400);
  71
  72 MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status");
  73 int nouveau_ignorelid = 0;
  74 module_param_named(ignorelid, nouveau_ignorelid, int, 0400);
  75
  76 MODULE_PARM_DESC(noaccel, "Disable all acceleration");
  77 int nouveau_noaccel = -1;
  78 module_param_named(noaccel, nouveau_noaccel, int, 0400);
  79
  80 MODULE_PARM_DESC(nofbaccel, "Disable fbcon acceleration");
  81 int nouveau_nofbaccel = 0;
  82 module_param_named(nofbaccel, nouveau_nofbaccel, int, 0400);
  83
  84 MODULE_PARM_DESC(force_post, "Force POST");
  85 int nouveau_force_post = 0;
  86 module_param_named(force_post, nouveau_force_post, int, 0400);
  87
  88 MODULE_PARM_DESC(override_conntype, "Ignore DCB connector type");
  89 int nouveau_override_conntype = 0;
  90 module_param_named(override_conntype, nouveau_override_conntype, int, 0400);
  91
  92 MODULE_PARM_DESC(tv_disable, "Disable TV-out detection\n");
  93 int nouveau_tv_disable = 0;
  94 module_param_named(tv_disable, nouveau_tv_disable, int, 0400);
  95
  96 MODULE_PARM_DESC(tv_norm, "Default TV norm.\n"
  97                  "\t\tSupported: PAL, PAL-M, PAL-N, PAL-Nc, NTSC-M, NTSC-J,\n"
  98                  "\t\t\thd480i, hd480p, hd576i, hd576p, hd720p, hd1080i.\n"
  99                  "\t\tDefault: PAL\n"
 100                  "\t\t*NOTE* Ignored for cards with external TV encoders.");
 101 char *nouveau_tv_norm;
 102 module_param_named(tv_norm, nouveau_tv_norm, charp, 0400);
 103
 104 MODULE_PARM_DESC(reg_debug, "Register access debug bitmask:\n"
 105                 "\t\t0x1 mc, 0x2 video, 0x4 fb, 0x8 extdev,\n"
 106                 "\t\t0x10 crtc, 0x20 ramdac, 0x40 vgacrtc, 0x80 rmvio,\n"
 107                 "\t\t0x100 vgaattr, 0x200 EVO (G80+). ");
 108 int nouveau_reg_debug;
 109 module_param_named(reg_debug, nouveau_reg_debug, int, 0600);
 110
 111 MODULE_PARM_DESC(perflvl, "Performance level (default: boot)\n");
 112 char *nouveau_perflvl;
 113 module_param_named(perflvl, nouveau_perflvl, charp, 0400);
 114
 115 MODULE_PARM_DESC(perflvl_wr, "Allow perflvl changes (warning: dangerous!)\n");
 116 int nouveau_perflvl_wr;
 117 module_param_named(perflvl_wr, nouveau_perflvl_wr, int, 0400);
 118
 119 MODULE_PARM_DESC(msi, "Enable MSI (default: off)\n");
 120 int nouveau_msi;
 121 module_param_named(msi, nouveau_msi, int, 0400);
 122
 123 MODULE_PARM_DESC(ctxfw, "Use external HUB/GPC ucode (fermi)\n");
 124 int nouveau_ctxfw;
 125 module_param_named(ctxfw, nouveau_ctxfw, int, 0400);
 126
 127 int nouveau_fbpercrtc;
 128 #if 0
 129 module_param_named(fbpercrtc, nouveau_fbpercrtc, int, 0400);
 130 #endif
 131
 132 static struct pci_device_id pciidlist[] = {
 133         {
 134                 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
 135                 .class = PCI_BASE_CLASS_DISPLAY << 16,
 136                 .class_mask  = 0xff << 16,
 137         },
 138         {
 139                 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
 140                 .class = PCI_BASE_CLASS_DISPLAY << 16,
 141                 .class_mask  = 0xff << 16,
 142         },
 143         {}
 144 };
 145
 146 MODULE_DEVICE_TABLE(pci, pciidlist);
 147
 148 static struct drm_driver driver;
 149
 150 static int __devinit
 151 nouveau_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 152 {
 153         return drm_get_pci_dev(pdev, ent, &driver);
 154 }
 155
 156 static void
 157 nouveau_pci_remove(struct pci_dev *pdev)
 158 {
 159         struct drm_device *dev = pci_get_drvdata(pdev);
 160
 161         drm_put_dev(dev);
 162 }
 163
 164 int
 165 nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state)
 166 {
 167         struct drm_device *dev = pci_get_drvdata(pdev);
 168         struct drm_nouveau_private *dev_priv = dev->dev_private;
 169         struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem;
 170         struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
 171         struct nouveau_channel *chan;
 172         struct drm_crtc *crtc;
 173         int ret, i, e;
 174
 175         if (pm_state.event == PM_EVENT_PRETHAW)
 176                 return 0;
 177
 178         if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
 179                 return 0;
 180
 181         NV_INFO(dev, "Disabling fbcon acceleration...\n");
 182         nouveau_fbcon_save_disable_accel(dev);
 183
 184         NV_INFO(dev, "Unpinning framebuffer(s)...\n");
 185         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 186                 struct nouveau_framebuffer *nouveau_fb;
 187
 188                 nouveau_fb = nouveau_framebuffer(crtc->fb);
 189                 if (!nouveau_fb || !nouveau_fb->nvbo)
 190                         continue;
 191
 192                 nouveau_bo_unpin(nouveau_fb->nvbo);
 193         }
 194
 195         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 196                 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
 197
 198                 nouveau_bo_unmap(nv_crtc->cursor.nvbo);
 199                 nouveau_bo_unpin(nv_crtc->cursor.nvbo);
 200         }
 201
 202         NV_INFO(dev, "Evicting buffers...\n");
 203         ttm_bo_evict_mm(&dev_priv->ttm.bdev, TTM_PL_VRAM);
 204
 205         NV_INFO(dev, "Idling channels...\n");
 206         for (i = 0; i < pfifo->channels; i++) {
 207                 chan = dev_priv->channels.ptr[i];
 208
 209                 if (chan && chan->pushbuf_bo)
 210                         nouveau_channel_idle(chan);
 211         }
 212
 213         pfifo->reassign(dev, false);
 214         pfifo->disable(dev);
 215         pfifo->unload_context(dev);
 216
 217         for (e = NVOBJ_ENGINE_NR - 1; e >= 0; e--) {
 218                 if (!dev_priv->eng[e])
 219                         continue;
 220
 221                 ret = dev_priv->eng[e]->fini(dev, e, true);
 222                 if (ret) {
 223                         NV_ERROR(dev, "... engine %d failed: %d\n", i, ret);
 224                         goto out_abort;
 225                 }
 226         }
 227
 228         ret = pinstmem->suspend(dev);
 229         if (ret) {
 230                 NV_ERROR(dev, "... failed: %d\n", ret);
 231                 goto out_abort;
 232         }
 233
 234         NV_INFO(dev, "Suspending GPU objects...\n");
 235         ret = nouveau_gpuobj_suspend(dev);
 236         if (ret) {
 237                 NV_ERROR(dev, "... failed: %d\n", ret);
 238                 pinstmem->resume(dev);
 239                 goto out_abort;
 240         }
 241
 242         NV_INFO(dev, "And we're gone!\n");
 243         pci_save_state(pdev);
 244         if (pm_state.event == PM_EVENT_SUSPEND) {
 245                 pci_disable_device(pdev);
 246                 pci_set_power_state(pdev, PCI_D3hot);
 247         }
 248
 249         console_lock();
 250         nouveau_fbcon_set_suspend(dev, 1);
 251         console_unlock();
 252         nouveau_fbcon_restore_accel(dev);
 253         return 0;
 254
 255 out_abort:
 256         NV_INFO(dev, "Re-enabling acceleration..\n");
 257         for (e = e + 1; e < NVOBJ_ENGINE_NR; e++) {
 258                 if (dev_priv->eng[e])
 259                         dev_priv->eng[e]->init(dev, e);
 260         }
 261         pfifo->enable(dev);
 262         pfifo->reassign(dev, true);
 263         return ret;
 264 }
 265
 266 int
 267 nouveau_pci_resume(struct pci_dev *pdev)
 268 {
 269         struct drm_device *dev = pci_get_drvdata(pdev);
 270         struct drm_nouveau_private *dev_priv = dev->dev_private;
 271         struct nouveau_engine *engine = &dev_priv->engine;
 272         struct drm_crtc *crtc;
 273         int ret, i;
 274
 275         if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
 276                 return 0;
 277
 278         nouveau_fbcon_save_disable_accel(dev);
 279
 280         NV_INFO(dev, "We're back, enabling device...\n");
 281         pci_set_power_state(pdev, PCI_D0);
 282         pci_restore_state(pdev);
 283         if (pci_enable_device(pdev))
 284                 return -1;
 285         pci_set_master(dev->pdev);
 286
 287         /* Make sure the AGP controller is in a consistent state */
 288         if (dev_priv->gart_info.type == NOUVEAU_GART_AGP)
 289                 nouveau_mem_reset_agp(dev);
 290
 291         /* Make the CRTCs accessible */
 292         engine->display.early_init(dev);
 293
 294         NV_INFO(dev, "POSTing device...\n");
 295         ret = nouveau_run_vbios_init(dev);
 296         if (ret)
 297                 return ret;
 298
 299         nouveau_pm_resume(dev);
 300
 301         if (dev_priv->gart_info.type == NOUVEAU_GART_AGP) {
 302                 ret = nouveau_mem_init_agp(dev);
 303                 if (ret) {
 304                         NV_ERROR(dev, "error reinitialising AGP: %d\n", ret);
 305                         return ret;
 306                 }
 307         }
 308
 309         NV_INFO(dev, "Restoring GPU objects...\n");
 310         nouveau_gpuobj_resume(dev);
 311
 312         NV_INFO(dev, "Reinitialising engines...\n");
 313         engine->instmem.resume(dev);
 314         engine->mc.init(dev);
 315         engine->timer.init(dev);
 316         engine->fb.init(dev);
 317         for (i = 0; i < NVOBJ_ENGINE_NR; i++) {
 318                 if (dev_priv->eng[i])
 319                         dev_priv->eng[i]->init(dev, i);
 320         }
 321         engine->fifo.init(dev);
 322
 323         nouveau_irq_postinstall(dev);
 324
 325         /* Re-write SKIPS, they'll have been lost over the suspend */
 326         if (nouveau_vram_pushbuf) {
 327                 struct nouveau_channel *chan;
 328                 int j;
 329
 330                 for (i = 0; i < dev_priv->engine.fifo.channels; i++) {
 331                         chan = dev_priv->channels.ptr[i];
 332                         if (!chan || !chan->pushbuf_bo)
 333                                 continue;
 334
 335                         for (j = 0; j < NOUVEAU_DMA_SKIPS; j++)
 336                                 nouveau_bo_wr32(chan->pushbuf_bo, i, 0);
 337                 }
 338         }
 339
 340         NV_INFO(dev, "Restoring mode...\n");
 341         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 342                 struct nouveau_framebuffer *nouveau_fb;
 343
 344                 nouveau_fb = nouveau_framebuffer(crtc->fb);
 345                 if (!nouveau_fb || !nouveau_fb->nvbo)
 346                         continue;
 347
 348                 nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM);
 349         }
 350
 351         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 352                 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
 353
 354                 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM);
 355                 if (!ret)
 356                         ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
 357                 if (ret)
 358                         NV_ERROR(dev, "Could not pin/map cursor.\n");
 359         }
 360
 361         engine->display.init(dev);
 362
 363         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 364                 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
 365                 u32 offset = nv_crtc->cursor.nvbo->bo.offset;
 366
 367                 nv_crtc->cursor.set_offset(nv_crtc, offset);
 368                 nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x,
 369                                                  nv_crtc->cursor_saved_y);
 370         }
 371
 372         /* Force CLUT to get re-loaded during modeset */
 373         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 374                 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
 375
 376                 nv_crtc->lut.depth = 0;
 377         }
 378
 379         console_lock();
 380         nouveau_fbcon_set_suspend(dev, 0);
 381         console_unlock();
 382
 383         nouveau_fbcon_zfill_all(dev);
 384
 385         drm_helper_resume_force_mode(dev);
 386
 387         nouveau_fbcon_restore_accel(dev);
 388         return 0;
 389 }
 390
 391 static struct drm_driver driver = {
 392         .driver_features =
 393                 DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_SG |
 394                 DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
 395                 DRIVER_MODESET,
 396         .load = nouveau_load,
 397         .firstopen = nouveau_firstopen,
 398         .lastclose = nouveau_lastclose,
 399         .unload = nouveau_unload,
 400         .open = nouveau_open,
 401         .preclose = nouveau_preclose,
 402         .postclose = nouveau_postclose,
 403 #if defined(CONFIG_DRM_NOUVEAU_DEBUG)
 404         .debugfs_init = nouveau_debugfs_init,
 405         .debugfs_cleanup = nouveau_debugfs_takedown,
 406 #endif
 407         .irq_preinstall = nouveau_irq_preinstall,
 408         .irq_postinstall = nouveau_irq_postinstall,
 409         .irq_uninstall = nouveau_irq_uninstall,
 410         .irq_handler = nouveau_irq_handler,
 411         .get_vblank_counter = drm_vblank_count,
 412         .enable_vblank = nouveau_vblank_enable,
 413         .disable_vblank = nouveau_vblank_disable,
 414         .reclaim_buffers = drm_core_reclaim_buffers,
 415         .ioctls = nouveau_ioctls,
 416         .fops = {
 417                 .owner = THIS_MODULE,
 418                 .open = drm_open,
 419                 .release = drm_release,
 420                 .unlocked_ioctl = drm_ioctl,
 421                 .mmap = nouveau_ttm_mmap,
 422                 .poll = drm_poll,
 423                 .fasync = drm_fasync,
 424                 .read = drm_read,
 425 #if defined(CONFIG_COMPAT)
 426                 .compat_ioctl = nouveau_compat_ioctl,
 427 #endif
 428                 .llseek = noop_llseek,
 429         },
 430
 431         .gem_init_object = nouveau_gem_object_new,
 432         .gem_free_object = nouveau_gem_object_del,
 433         .gem_open_object = nouveau_gem_object_open,
 434         .gem_close_object = nouveau_gem_object_close,
 435
 436         .dumb_create = nouveau_display_dumb_create,
 437         .dumb_map_offset = nouveau_display_dumb_map_offset,
 438         .dumb_destroy = nouveau_display_dumb_destroy,
 439
 440         .name = DRIVER_NAME,
 441         .desc = DRIVER_DESC,
 442 #ifdef GIT_REVISION
 443         .date = GIT_REVISION,
 444 #else
 445         .date = DRIVER_DATE,
 446 #endif
 447         .major = DRIVER_MAJOR,
 448         .minor = DRIVER_MINOR,
 449         .patchlevel = DRIVER_PATCHLEVEL,
 450 };
 451
 452 static struct pci_driver nouveau_pci_driver = {
 453                 .name = DRIVER_NAME,
 454                 .id_table = pciidlist,
 455                 .probe = nouveau_pci_probe,
 456                 .remove = nouveau_pci_remove,
 457                 .suspend = nouveau_pci_suspend,
 458                 .resume = nouveau_pci_resume
 459 };
 460
 461 static int __init nouveau_init(void)
 462 {
 463         driver.num_ioctls = nouveau_max_ioctl;
 464
 465         if (nouveau_modeset == -1) {
 466 #ifdef CONFIG_VGA_CONSOLE
 467                 if (vgacon_text_force())
 468                         nouveau_modeset = 0;
 469                 else
 470 #endif
 471                         nouveau_modeset = 1;
 472         }
 473
 474         if (!nouveau_modeset)
 475                 return 0;
 476
 477         nouveau_register_dsm_handler();
 478         return drm_pci_init(&driver, &nouveau_pci_driver);
 479 }
 480
 481 static void __exit nouveau_exit(void)
 482 {
 483         if (!nouveau_modeset)
 484                 return;
 485
 486         drm_pci_exit(&driver, &nouveau_pci_driver);
 487         nouveau_unregister_dsm_handler();
 488 }
 489
 490 module_init(nouveau_init);
 491 module_exit(nouveau_exit);
 492
 493 MODULE_AUTHOR(DRIVER_AUTHOR);
 494 MODULE_DESCRIPTION(DRIVER_DESC);
 495 MODULE_LICENSE("GPL and additional rights");