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