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 = -1;
  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 MODULE_PARM_DESC(ctxfw, "Use external HUB/GPC ucode (fermi)\n");
 123 int nouveau_ctxfw;
 124 module_param_named(ctxfw, nouveau_ctxfw, int, 0400);
 125
 126 int nouveau_fbpercrtc;
 127 #if 0
 128 module_param_named(fbpercrtc, nouveau_fbpercrtc, int, 0400);
 129 #endif
 130
 131 static struct pci_device_id pciidlist[] = {
 132         {
 133                 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
 134                 .class = PCI_BASE_CLASS_DISPLAY << 16,
 135                 .class_mask  = 0xff << 16,
 136         },
 137         {
 138                 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
 139                 .class = PCI_BASE_CLASS_DISPLAY << 16,
 140                 .class_mask  = 0xff << 16,
 141         },
 142         {}
 143 };
 144
 145 MODULE_DEVICE_TABLE(pci, pciidlist);
 146
 147 static struct drm_driver driver;
 148
 149 static int __devinit
 150 nouveau_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 151 {
 152         return drm_get_pci_dev(pdev, ent, &driver);
 153 }
 154
 155 static void
 156 nouveau_pci_remove(struct pci_dev *pdev)
 157 {
 158         struct drm_device *dev = pci_get_drvdata(pdev);
 159
 160         drm_put_dev(dev);
 161 }
 162
 163 int
 164 nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state)
 165 {
 166         struct drm_device *dev = pci_get_drvdata(pdev);
 167         struct drm_nouveau_private *dev_priv = dev->dev_private;
 168         struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem;
 169         struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
 170         struct nouveau_channel *chan;
 171         struct drm_crtc *crtc;
 172         int ret, i, e;
 173
 174         if (pm_state.event == PM_EVENT_PRETHAW)
 175                 return 0;
 176
 177         if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
 178                 return 0;
 179
 180         NV_INFO(dev, "Disabling fbcon acceleration...\n");
 181         nouveau_fbcon_save_disable_accel(dev);
 182
 183         NV_INFO(dev, "Unpinning framebuffer(s)...\n");
 184         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 185                 struct nouveau_framebuffer *nouveau_fb;
 186
 187                 nouveau_fb = nouveau_framebuffer(crtc->fb);
 188                 if (!nouveau_fb || !nouveau_fb->nvbo)
 189                         continue;
 190
 191                 nouveau_bo_unpin(nouveau_fb->nvbo);
 192         }
 193
 194         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 195                 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
 196
 197                 nouveau_bo_unmap(nv_crtc->cursor.nvbo);
 198                 nouveau_bo_unpin(nv_crtc->cursor.nvbo);
 199         }
 200
 201         NV_INFO(dev, "Evicting buffers...\n");
 202         ttm_bo_evict_mm(&dev_priv->ttm.bdev, TTM_PL_VRAM);
 203
 204         NV_INFO(dev, "Idling channels...\n");
 205         for (i = 0; i < pfifo->channels; i++) {
 206                 chan = dev_priv->channels.ptr[i];
 207
 208                 if (chan && chan->pushbuf_bo)
 209                         nouveau_channel_idle(chan);
 210         }
 211
 212         pfifo->reassign(dev, false);
 213         pfifo->disable(dev);
 214         pfifo->unload_context(dev);
 215
 216         for (e = NVOBJ_ENGINE_NR - 1; e >= 0; e--) {
 217                 if (!dev_priv->eng[e])
 218                         continue;
 219
 220                 ret = dev_priv->eng[e]->fini(dev, e, true);
 221                 if (ret) {
 222                         NV_ERROR(dev, "... engine %d failed: %d\n", i, ret);
 223                         goto out_abort;
 224                 }
 225         }
 226
 227         ret = pinstmem->suspend(dev);
 228         if (ret) {
 229                 NV_ERROR(dev, "... failed: %d\n", ret);
 230                 goto out_abort;
 231         }
 232
 233         NV_INFO(dev, "Suspending GPU objects...\n");
 234         ret = nouveau_gpuobj_suspend(dev);
 235         if (ret) {
 236                 NV_ERROR(dev, "... failed: %d\n", ret);
 237                 pinstmem->resume(dev);
 238                 goto out_abort;
 239         }
 240
 241         NV_INFO(dev, "And we're gone!\n");
 242         pci_save_state(pdev);
 243         if (pm_state.event == PM_EVENT_SUSPEND) {
 244                 pci_disable_device(pdev);
 245                 pci_set_power_state(pdev, PCI_D3hot);
 246         }
 247
 248         console_lock();
 249         nouveau_fbcon_set_suspend(dev, 1);
 250         console_unlock();
 251         nouveau_fbcon_restore_accel(dev);
 252         return 0;
 253
 254 out_abort:
 255         NV_INFO(dev, "Re-enabling acceleration..\n");
 256         for (e = e + 1; e < NVOBJ_ENGINE_NR; e++) {
 257                 if (dev_priv->eng[e])
 258                         dev_priv->eng[e]->init(dev, e);
 259         }
 260         pfifo->enable(dev);
 261         pfifo->reassign(dev, true);
 262         return ret;
 263 }
 264
 265 int
 266 nouveau_pci_resume(struct pci_dev *pdev)
 267 {
 268         struct drm_device *dev = pci_get_drvdata(pdev);
 269         struct drm_nouveau_private *dev_priv = dev->dev_private;
 270         struct nouveau_engine *engine = &dev_priv->engine;
 271         struct drm_crtc *crtc;
 272         int ret, i;
 273
 274         if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
 275                 return 0;
 276
 277         nouveau_fbcon_save_disable_accel(dev);
 278
 279         NV_INFO(dev, "We're back, enabling device...\n");
 280         pci_set_power_state(pdev, PCI_D0);
 281         pci_restore_state(pdev);
 282         if (pci_enable_device(pdev))
 283                 return -1;
 284         pci_set_master(dev->pdev);
 285
 286         /* Make sure the AGP controller is in a consistent state */
 287         if (dev_priv->gart_info.type == NOUVEAU_GART_AGP)
 288                 nouveau_mem_reset_agp(dev);
 289
 290         /* Make the CRTCs accessible */
 291         engine->display.early_init(dev);
 292
 293         NV_INFO(dev, "POSTing device...\n");
 294         ret = nouveau_run_vbios_init(dev);
 295         if (ret)
 296                 return ret;
 297
 298         nouveau_pm_resume(dev);
 299
 300         if (dev_priv->gart_info.type == NOUVEAU_GART_AGP) {
 301                 ret = nouveau_mem_init_agp(dev);
 302                 if (ret) {
 303                         NV_ERROR(dev, "error reinitialising AGP: %d\n", ret);
 304                         return ret;
 305                 }
 306         }
 307
 308         NV_INFO(dev, "Restoring GPU objects...\n");
 309         nouveau_gpuobj_resume(dev);
 310
 311         NV_INFO(dev, "Reinitialising engines...\n");
 312         engine->instmem.resume(dev);
 313         engine->mc.init(dev);
 314         engine->timer.init(dev);
 315         engine->fb.init(dev);
 316         for (i = 0; i < NVOBJ_ENGINE_NR; i++) {
 317                 if (dev_priv->eng[i])
 318                         dev_priv->eng[i]->init(dev, i);
 319         }
 320         engine->fifo.init(dev);
 321
 322         nouveau_irq_postinstall(dev);
 323
 324         /* Re-write SKIPS, they'll have been lost over the suspend */
 325         if (nouveau_vram_pushbuf) {
 326                 struct nouveau_channel *chan;
 327                 int j;
 328
 329                 for (i = 0; i < dev_priv->engine.fifo.channels; i++) {
 330                         chan = dev_priv->channels.ptr[i];
 331                         if (!chan || !chan->pushbuf_bo)
 332                                 continue;
 333
 334                         for (j = 0; j < NOUVEAU_DMA_SKIPS; j++)
 335                                 nouveau_bo_wr32(chan->pushbuf_bo, i, 0);
 336                 }
 337         }
 338
 339         NV_INFO(dev, "Restoring mode...\n");
 340         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 341                 struct nouveau_framebuffer *nouveau_fb;
 342
 343                 nouveau_fb = nouveau_framebuffer(crtc->fb);
 344                 if (!nouveau_fb || !nouveau_fb->nvbo)
 345                         continue;
 346
 347                 nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM);
 348         }
 349
 350         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 351                 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
 352
 353                 ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM);
 354                 if (!ret)
 355                         ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
 356                 if (ret)
 357                         NV_ERROR(dev, "Could not pin/map cursor.\n");
 358         }
 359
 360         engine->display.init(dev);
 361
 362         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 363                 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
 364                 u32 offset = nv_crtc->cursor.nvbo->bo.offset;
 365
 366                 nv_crtc->cursor.set_offset(nv_crtc, offset);
 367                 nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x,
 368                                                  nv_crtc->cursor_saved_y);
 369         }
 370
 371         /* Force CLUT to get re-loaded during modeset */
 372         list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 373                 struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
 374
 375                 nv_crtc->lut.depth = 0;
 376         }
 377
 378         console_lock();
 379         nouveau_fbcon_set_suspend(dev, 0);
 380         console_unlock();
 381
 382         nouveau_fbcon_zfill_all(dev);
 383
 384         drm_helper_resume_force_mode(dev);
 385
 386         nouveau_fbcon_restore_accel(dev);
 387         return 0;
 388 }
 389
 390 static struct drm_driver driver = {
 391         .driver_features =
 392                 DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_SG |
 393                 DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
 394                 DRIVER_MODESET,
 395         .load = nouveau_load,
 396         .firstopen = nouveau_firstopen,
 397         .lastclose = nouveau_lastclose,
 398         .unload = nouveau_unload,
 399         .open = nouveau_open,
 400         .preclose = nouveau_preclose,
 401         .postclose = nouveau_postclose,
 402 #if defined(CONFIG_DRM_NOUVEAU_DEBUG)
 403         .debugfs_init = nouveau_debugfs_init,
 404         .debugfs_cleanup = nouveau_debugfs_takedown,
 405 #endif
 406         .irq_preinstall = nouveau_irq_preinstall,
 407         .irq_postinstall = nouveau_irq_postinstall,
 408         .irq_uninstall = nouveau_irq_uninstall,
 409         .irq_handler = nouveau_irq_handler,
 410         .get_vblank_counter = drm_vblank_count,
 411         .enable_vblank = nouveau_vblank_enable,
 412         .disable_vblank = nouveau_vblank_disable,
 413         .reclaim_buffers = drm_core_reclaim_buffers,
 414         .ioctls = nouveau_ioctls,
 415         .fops = {
 416                 .owner = THIS_MODULE,
 417                 .open = drm_open,
 418                 .release = drm_release,
 419                 .unlocked_ioctl = drm_ioctl,
 420                 .mmap = nouveau_ttm_mmap,
 421                 .poll = drm_poll,
 422                 .fasync = drm_fasync,
 423                 .read = drm_read,
 424 #if defined(CONFIG_COMPAT)
 425                 .compat_ioctl = nouveau_compat_ioctl,
 426 #endif
 427                 .llseek = noop_llseek,
 428         },
 429
 430         .gem_init_object = nouveau_gem_object_new,
 431         .gem_free_object = nouveau_gem_object_del,
 432         .gem_open_object = nouveau_gem_object_open,
 433         .gem_close_object = nouveau_gem_object_close,
 434
 435         .name = DRIVER_NAME,
 436         .desc = DRIVER_DESC,
 437 #ifdef GIT_REVISION
 438         .date = GIT_REVISION,
 439 #else
 440         .date = DRIVER_DATE,
 441 #endif
 442         .major = DRIVER_MAJOR,
 443         .minor = DRIVER_MINOR,
 444         .patchlevel = DRIVER_PATCHLEVEL,
 445 };
 446
 447 static struct pci_driver nouveau_pci_driver = {
 448                 .name = DRIVER_NAME,
 449                 .id_table = pciidlist,
 450                 .probe = nouveau_pci_probe,
 451                 .remove = nouveau_pci_remove,
 452                 .suspend = nouveau_pci_suspend,
 453                 .resume = nouveau_pci_resume
 454 };
 455
 456 static int __init nouveau_init(void)
 457 {
 458         driver.num_ioctls = nouveau_max_ioctl;
 459
 460         if (nouveau_modeset == -1) {
 461 #ifdef CONFIG_VGA_CONSOLE
 462                 if (vgacon_text_force())
 463                         nouveau_modeset = 0;
 464                 else
 465 #endif
 466                         nouveau_modeset = 1;
 467         }
 468
 469         if (!nouveau_modeset)
 470                 return 0;
 471
 472         nouveau_register_dsm_handler();
 473         return drm_pci_init(&driver, &nouveau_pci_driver);
 474 }
 475
 476 static void __exit nouveau_exit(void)
 477 {
 478         if (!nouveau_modeset)
 479                 return;
 480
 481         drm_pci_exit(&driver, &nouveau_pci_driver);
 482         nouveau_unregister_dsm_handler();
 483 }
 484
 485 module_init(nouveau_init);
 486 module_exit(nouveau_exit);
 487
 488 MODULE_AUTHOR(DRIVER_AUTHOR);
 489 MODULE_DESCRIPTION(DRIVER_DESC);
 490 MODULE_LICENSE("GPL and additional rights");