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
  27 #include "drmP.h"
  28 #include "drm.h"
  29 #include "drm_crtc_helper.h"
  30 #include "nouveau_drv.h"
  31 #include "nouveau_hw.h"
  32 #include "nouveau_fb.h"
  33 #include "nouveau_fbcon.h"
  34 #include "nv50_display.h"
  35
  36 #include "drm_pciids.h"
  37
  38 MODULE_PARM_DESC(ctxfw, "Use external firmware blob for grctx init (NV40)");
  39 int nouveau_ctxfw = 0;
  40 module_param_named(ctxfw, nouveau_ctxfw, int, 0400);
  41
  42 MODULE_PARM_DESC(noagp, "Disable AGP");
  43 int nouveau_noagp;
  44 module_param_named(noagp, nouveau_noagp, int, 0400);
  45
  46 MODULE_PARM_DESC(modeset, "Enable kernel modesetting");
  47 static int nouveau_modeset = -1; /* kms */
  48 module_param_named(modeset, nouveau_modeset, int, 0400);
  49
  50 MODULE_PARM_DESC(vbios, "Override default VBIOS location");
  51 char *nouveau_vbios;
  52 module_param_named(vbios, nouveau_vbios, charp, 0400);
  53
  54 MODULE_PARM_DESC(vram_pushbuf, "Force DMA push buffers to be in VRAM");
  55 int nouveau_vram_pushbuf;
  56 module_param_named(vram_pushbuf, nouveau_vram_pushbuf, int, 0400);
  57
  58 MODULE_PARM_DESC(vram_notify, "Force DMA notifiers to be in VRAM");
  59 int nouveau_vram_notify = 1;
  60 module_param_named(vram_notify, nouveau_vram_notify, int, 0400);
  61
  62 MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (>=GeForce 8)");
  63 int nouveau_duallink = 1;
  64 module_param_named(duallink, nouveau_duallink, int, 0400);
  65
  66 MODULE_PARM_DESC(uscript_lvds, "LVDS output script table ID (>=GeForce 8)");
  67 int nouveau_uscript_lvds = -1;
  68 module_param_named(uscript_lvds, nouveau_uscript_lvds, int, 0400);
  69
  70 MODULE_PARM_DESC(uscript_tmds, "TMDS output script table ID (>=GeForce 8)");
  71 int nouveau_uscript_tmds = -1;
  72 module_param_named(uscript_tmds, nouveau_uscript_tmds, int, 0400);
  73
  74 MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status");
  75 int nouveau_ignorelid = 0;
  76 module_param_named(ignorelid, nouveau_ignorelid, int, 0400);
  77
  78 MODULE_PARM_DESC(noaccel, "Disable all acceleration");
  79 int nouveau_noaccel = 0;
  80 module_param_named(noaccel, nouveau_noaccel, int, 0400);
  81
  82 MODULE_PARM_DESC(nofbaccel, "Disable fbcon acceleration");
  83 int nouveau_nofbaccel = 0;
  84 module_param_named(nofbaccel, nouveau_nofbaccel, int, 0400);
  85
  86 MODULE_PARM_DESC(override_conntype, "Ignore DCB connector type");
  87 int nouveau_override_conntype = 0;
  88 module_param_named(override_conntype, nouveau_override_conntype, int, 0400);
  89
  90 MODULE_PARM_DESC(tv_disable, "Disable TV-out detection\n");
  91 int nouveau_tv_disable = 0;
  92 module_param_named(tv_disable, nouveau_tv_disable, int, 0400);
  93
  94 MODULE_PARM_DESC(tv_norm, "Default TV norm.\n"
  95                  "\t\tSupported: PAL, PAL-M, PAL-N, PAL-Nc, NTSC-M, NTSC-J,\n"
  96                  "\t\t\thd480i, hd480p, hd576i, hd576p, hd720p, hd1080i.\n"
  97                  "\t\tDefault: PAL\n"
  98                  "\t\t*NOTE* Ignored for cards with external TV encoders.");
  99 char *nouveau_tv_norm;
 100 module_param_named(tv_norm, nouveau_tv_norm, charp, 0400);
 101
 102 MODULE_PARM_DESC(reg_debug, "Register access debug bitmask:\n"
 103                 "\t\t0x1 mc, 0x2 video, 0x4 fb, 0x8 extdev,\n"
 104                 "\t\t0x10 crtc, 0x20 ramdac, 0x40 vgacrtc, 0x80 rmvio,\n"
 105                 "\t\t0x100 vgaattr, 0x200 EVO (G80+). ");
 106 int nouveau_reg_debug;
 107 module_param_named(reg_debug, nouveau_reg_debug, int, 0600);
 108
 109 int nouveau_fbpercrtc;
 110 #if 0
 111 module_param_named(fbpercrtc, nouveau_fbpercrtc, int, 0400);
 112 #endif
 113
 114 static struct pci_device_id pciidlist[] = {
 115         {
 116                 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
 117                 .class = PCI_BASE_CLASS_DISPLAY << 16,
 118                 .class_mask  = 0xff << 16,
 119         },
 120         {
 121                 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
 122                 .class = PCI_BASE_CLASS_DISPLAY << 16,
 123                 .class_mask  = 0xff << 16,
 124         },
 125         {}
 126 };
 127
 128 MODULE_DEVICE_TABLE(pci, pciidlist);
 129
 130 static struct drm_driver driver;
 131
 132 static int __devinit
 133 nouveau_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 134 {
 135         return drm_get_dev(pdev, ent, &driver);
 136 }
 137
 138 static void
 139 nouveau_pci_remove(struct pci_dev *pdev)
 140 {
 141         struct drm_device *dev = pci_get_drvdata(pdev);
 142
 143         drm_put_dev(dev);
 144 }
 145
 146 int
 147 nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state)
 148 {
 149         struct drm_device *dev = pci_get_drvdata(pdev);
 150         struct drm_nouveau_private *dev_priv = dev->dev_private;
 151         struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem;
 152         struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
 153         struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
 154         struct nouveau_channel *chan;
 155         struct drm_crtc *crtc;
 156         uint32_t fbdev_flags;
 157         int ret, i;
 158
 159         if (!drm_core_check_feature(dev, DRIVER_MODESET))
 160                 return -ENODEV;
 161
 162         if (pm_state.event == PM_EVENT_PRETHAW)
 163                 return 0;
 164
 165         NV_INFO(dev, "Disabling fbcon acceleration...\n");
 166         fbdev_flags = dev_priv->fbdev_info->flags;
 167         dev_priv->fbdev_info->flags |= FBINFO_HWACCEL_DISABLED;
 168
 169         NV_INFO(dev, "Unpinning framebuffer(s)...\n");
 170         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 171                 struct nouveau_framebuffer *nouveau_fb;
 172
 173                 nouveau_fb = nouveau_framebuffer(crtc->fb);
 174                 if (!nouveau_fb || !nouveau_fb->nvbo)
 175                         continue;
 176
 177                 nouveau_bo_unpin(nouveau_fb->nvbo);
 178         }
 179
 180         NV_INFO(dev, "Evicting buffers...\n");
 181         ttm_bo_evict_mm(&dev_priv->ttm.bdev, TTM_PL_VRAM);
 182
 183         NV_INFO(dev, "Idling channels...\n");
 184         for (i = 0; i < pfifo->channels; i++) {
 185                 struct nouveau_fence *fence = NULL;
 186
 187                 chan = dev_priv->fifos[i];
 188                 if (!chan || (dev_priv->card_type >= NV_50 &&
 189                               chan == dev_priv->fifos[0]))
 190                         continue;
 191
 192                 ret = nouveau_fence_new(chan, &fence, true);
 193                 if (ret == 0) {
 194                         ret = nouveau_fence_wait(fence, NULL, false, false);
 195                         nouveau_fence_unref((void *)&fence);
 196                 }
 197
 198                 if (ret) {
 199                         NV_ERROR(dev, "Failed to idle channel %d for suspend\n",
 200                                  chan->id);
 201                 }
 202         }
 203
 204         pgraph->fifo_access(dev, false);
 205         nouveau_wait_for_idle(dev);
 206         pfifo->reassign(dev, false);
 207         pfifo->disable(dev);
 208         pfifo->unload_context(dev);
 209         pgraph->unload_context(dev);
 210
 211         NV_INFO(dev, "Suspending GPU objects...\n");
 212         ret = nouveau_gpuobj_suspend(dev);
 213         if (ret) {
 214                 NV_ERROR(dev, "... failed: %d\n", ret);
 215                 goto out_abort;
 216         }
 217
 218         ret = pinstmem->suspend(dev);
 219         if (ret) {
 220                 NV_ERROR(dev, "... failed: %d\n", ret);
 221                 nouveau_gpuobj_suspend_cleanup(dev);
 222                 goto out_abort;
 223         }
 224
 225         NV_INFO(dev, "And we're gone!\n");
 226         pci_save_state(pdev);
 227         if (pm_state.event == PM_EVENT_SUSPEND) {
 228                 pci_disable_device(pdev);
 229                 pci_set_power_state(pdev, PCI_D3hot);
 230         }
 231
 232         acquire_console_sem();
 233         fb_set_suspend(dev_priv->fbdev_info, 1);
 234         release_console_sem();
 235         dev_priv->fbdev_info->flags = fbdev_flags;
 236         return 0;
 237
 238 out_abort:
 239         NV_INFO(dev, "Re-enabling acceleration..\n");
 240         pfifo->enable(dev);
 241         pfifo->reassign(dev, true);
 242         pgraph->fifo_access(dev, true);
 243         return ret;
 244 }
 245
 246 int
 247 nouveau_pci_resume(struct pci_dev *pdev)
 248 {
 249         struct drm_device *dev = pci_get_drvdata(pdev);
 250         struct drm_nouveau_private *dev_priv = dev->dev_private;
 251         struct nouveau_engine *engine = &dev_priv->engine;
 252         struct drm_crtc *crtc;
 253         uint32_t fbdev_flags;
 254         int ret, i;
 255
 256         if (!drm_core_check_feature(dev, DRIVER_MODESET))
 257                 return -ENODEV;
 258
 259         fbdev_flags = dev_priv->fbdev_info->flags;
 260         dev_priv->fbdev_info->flags |= FBINFO_HWACCEL_DISABLED;
 261
 262         NV_INFO(dev, "We're back, enabling device...\n");
 263         pci_set_power_state(pdev, PCI_D0);
 264         pci_restore_state(pdev);
 265         if (pci_enable_device(pdev))
 266                 return -1;
 267         pci_set_master(dev->pdev);
 268
 269         NV_INFO(dev, "POSTing device...\n");
 270         ret = nouveau_run_vbios_init(dev);
 271         if (ret)
 272                 return ret;
 273
 274         if (dev_priv->gart_info.type == NOUVEAU_GART_AGP) {
 275                 ret = nouveau_mem_init_agp(dev);
 276                 if (ret) {
 277                         NV_ERROR(dev, "error reinitialising AGP: %d\n", ret);
 278                         return ret;
 279                 }
 280         }
 281
 282         NV_INFO(dev, "Reinitialising engines...\n");
 283         engine->instmem.resume(dev);
 284         engine->mc.init(dev);
 285         engine->timer.init(dev);
 286         engine->fb.init(dev);
 287         engine->graph.init(dev);
 288         engine->fifo.init(dev);
 289
 290         NV_INFO(dev, "Restoring GPU objects...\n");
 291         nouveau_gpuobj_resume(dev);
 292
 293         nouveau_irq_postinstall(dev);
 294
 295         /* Re-write SKIPS, they'll have been lost over the suspend */
 296         if (nouveau_vram_pushbuf) {
 297                 struct nouveau_channel *chan;
 298                 int j;
 299
 300                 for (i = 0; i < dev_priv->engine.fifo.channels; i++) {
 301                         chan = dev_priv->fifos[i];
 302                         if (!chan || !chan->pushbuf_bo)
 303                                 continue;
 304
 305                         for (j = 0; j < NOUVEAU_DMA_SKIPS; j++)
 306                                 nouveau_bo_wr32(chan->pushbuf_bo, i, 0);
 307                 }
 308         }
 309
 310         NV_INFO(dev, "Restoring mode...\n");
 311         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 312                 struct nouveau_framebuffer *nouveau_fb;
 313
 314                 nouveau_fb = nouveau_framebuffer(crtc->fb);
 315                 if (!nouveau_fb || !nouveau_fb->nvbo)
 316                         continue;
 317
 318                 nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM);
 319         }
 320
 321         if (dev_priv->card_type < NV_50) {
 322                 nv04_display_restore(dev);
 323                 NVLockVgaCrtcs(dev, false);
 324         } else
 325                 nv50_display_init(dev);
 326
 327         /* Force CLUT to get re-loaded during modeset */
 328         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 329                 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
 330
 331                 nv_crtc->lut.depth = 0;
 332         }
 333
 334         acquire_console_sem();
 335         fb_set_suspend(dev_priv->fbdev_info, 0);
 336         release_console_sem();
 337
 338         nouveau_fbcon_zfill(dev);
 339
 340         drm_helper_resume_force_mode(dev);
 341         dev_priv->fbdev_info->flags = fbdev_flags;
 342         return 0;
 343 }
 344
 345 static struct drm_driver driver = {
 346         .driver_features =
 347                 DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_SG |
 348                 DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM,
 349         .load = nouveau_load,
 350         .firstopen = nouveau_firstopen,
 351         .lastclose = nouveau_lastclose,
 352         .unload = nouveau_unload,
 353         .preclose = nouveau_preclose,
 354 #if defined(CONFIG_DRM_NOUVEAU_DEBUG)
 355         .debugfs_init = nouveau_debugfs_init,
 356         .debugfs_cleanup = nouveau_debugfs_takedown,
 357 #endif
 358         .irq_preinstall = nouveau_irq_preinstall,
 359         .irq_postinstall = nouveau_irq_postinstall,
 360         .irq_uninstall = nouveau_irq_uninstall,
 361         .irq_handler = nouveau_irq_handler,
 362         .reclaim_buffers = drm_core_reclaim_buffers,
 363         .get_map_ofs = drm_core_get_map_ofs,
 364         .get_reg_ofs = drm_core_get_reg_ofs,
 365         .ioctls = nouveau_ioctls,
 366         .fops = {
 367                 .owner = THIS_MODULE,
 368                 .open = drm_open,
 369                 .release = drm_release,
 370                 .unlocked_ioctl = drm_ioctl,
 371                 .mmap = nouveau_ttm_mmap,
 372                 .poll = drm_poll,
 373                 .fasync = drm_fasync,
 374 #if defined(CONFIG_COMPAT)
 375                 .compat_ioctl = nouveau_compat_ioctl,
 376 #endif
 377         },
 378         .pci_driver = {
 379                 .name = DRIVER_NAME,
 380                 .id_table = pciidlist,
 381                 .probe = nouveau_pci_probe,
 382                 .remove = nouveau_pci_remove,
 383                 .suspend = nouveau_pci_suspend,
 384                 .resume = nouveau_pci_resume
 385         },
 386
 387         .gem_init_object = nouveau_gem_object_new,
 388         .gem_free_object = nouveau_gem_object_del,
 389
 390         .name = DRIVER_NAME,
 391         .desc = DRIVER_DESC,
 392 #ifdef GIT_REVISION
 393         .date = GIT_REVISION,
 394 #else
 395         .date = DRIVER_DATE,
 396 #endif
 397         .major = DRIVER_MAJOR,
 398         .minor = DRIVER_MINOR,
 399         .patchlevel = DRIVER_PATCHLEVEL,
 400 };
 401
 402 static int __init nouveau_init(void)
 403 {
 404         driver.num_ioctls = nouveau_max_ioctl;
 405
 406         if (nouveau_modeset == -1) {
 407 #ifdef CONFIG_VGA_CONSOLE
 408                 if (vgacon_text_force())
 409                         nouveau_modeset = 0;
 410                 else
 411 #endif
 412                         nouveau_modeset = 1;
 413         }
 414
 415         if (nouveau_modeset == 1) {
 416                 driver.driver_features |= DRIVER_MODESET;
 417                 nouveau_register_dsm_handler();
 418         }
 419
 420         return drm_init(&driver);
 421 }
 422
 423 static void __exit nouveau_exit(void)
 424 {
 425         drm_exit(&driver);
 426         nouveau_unregister_dsm_handler();
 427 }
 428
 429 module_init(nouveau_init);
 430 module_exit(nouveau_exit);
 431
 432 MODULE_AUTHOR(DRIVER_AUTHOR);
 433 MODULE_DESCRIPTION(DRIVER_DESC);
 434 MODULE_LICENSE("GPL and additional rights");