1 /* 2 * Copyright 2012 Red Hat Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: Ben Skeggs 23 */ 24 25 #include <linux/console.h> 26 #include <linux/module.h> 27 #include <linux/pci.h> 28 #include <linux/pm_runtime.h> 29 #include <linux/vga_switcheroo.h> 30 31 #include "drmP.h" 32 #include "drm_crtc_helper.h" 33 34 #include <core/device.h> 35 #include <core/gpuobj.h> 36 #include <core/option.h> 37 38 #include "nouveau_drm.h" 39 #include "nouveau_dma.h" 40 #include "nouveau_ttm.h" 41 #include "nouveau_gem.h" 42 #include "nouveau_agp.h" 43 #include "nouveau_vga.h" 44 #include "nouveau_sysfs.h" 45 #include "nouveau_hwmon.h" 46 #include "nouveau_acpi.h" 47 #include "nouveau_bios.h" 48 #include "nouveau_ioctl.h" 49 #include "nouveau_abi16.h" 50 #include "nouveau_fbcon.h" 51 #include "nouveau_fence.h" 52 #include "nouveau_debugfs.h" 53 #include "nouveau_usif.h" 54 #include "nouveau_connector.h" 55 #include "nouveau_platform.h" 56 57 MODULE_PARM_DESC(config, "option string to pass to driver core"); 58 static char *nouveau_config; 59 module_param_named(config, nouveau_config, charp, 0400); 60 61 MODULE_PARM_DESC(debug, "debug string to pass to driver core"); 62 static char *nouveau_debug; 63 module_param_named(debug, nouveau_debug, charp, 0400); 64 65 MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration"); 66 static int nouveau_noaccel = 0; 67 module_param_named(noaccel, nouveau_noaccel, int, 0400); 68 69 MODULE_PARM_DESC(modeset, "enable driver (default: auto, " 70 "0 = disabled, 1 = enabled, 2 = headless)"); 71 int nouveau_modeset = -1; 72 module_param_named(modeset, nouveau_modeset, int, 0400); 73 74 MODULE_PARM_DESC(runpm, "disable (0), force enable (1), optimus only default (-1)"); 75 int nouveau_runtime_pm = -1; 76 module_param_named(runpm, nouveau_runtime_pm, int, 0400); 77 78 static struct drm_driver driver_stub; 79 static struct drm_driver driver_pci; 80 static struct drm_driver driver_platform; 81 82 static u64 83 nouveau_pci_name(struct pci_dev *pdev) 84 { 85 u64 name = (u64)pci_domain_nr(pdev->bus) << 32; 86 name |= pdev->bus->number << 16; 87 name |= PCI_SLOT(pdev->devfn) << 8; 88 return name | PCI_FUNC(pdev->devfn); 89 } 90 91 static u64 92 nouveau_platform_name(struct platform_device *platformdev) 93 { 94 return platformdev->id; 95 } 96 97 static u64 98 nouveau_name(struct drm_device *dev) 99 { 100 if (dev->pdev) 101 return nouveau_pci_name(dev->pdev); 102 else 103 return nouveau_platform_name(dev->platformdev); 104 } 105 106 static int 107 nouveau_cli_create(u64 name, const char *sname, 108 int size, void **pcli) 109 { 110 struct nouveau_cli *cli = *pcli = kzalloc(size, GFP_KERNEL); 111 if (cli) { 112 int ret = nvif_client_init(NULL, NULL, sname, name, 113 nouveau_config, nouveau_debug, 114 &cli->base); 115 if (ret == 0) { 116 mutex_init(&cli->mutex); 117 usif_client_init(cli); 118 } 119 return ret; 120 } 121 return -ENOMEM; 122 } 123 124 static void 125 nouveau_cli_destroy(struct nouveau_cli *cli) 126 { 127 nvkm_vm_ref(NULL, &nvxx_client(&cli->base)->vm, NULL); 128 nvif_client_fini(&cli->base); 129 usif_client_fini(cli); 130 } 131 132 static void 133 nouveau_accel_fini(struct nouveau_drm *drm) 134 { 135 nouveau_channel_del(&drm->channel); 136 nvif_object_fini(&drm->ntfy); 137 nvkm_gpuobj_ref(NULL, &drm->notify); 138 nvif_object_fini(&drm->nvsw); 139 nouveau_channel_del(&drm->cechan); 140 nvif_object_fini(&drm->ttm.copy); 141 if (drm->fence) 142 nouveau_fence(drm)->dtor(drm); 143 } 144 145 static void 146 nouveau_accel_init(struct nouveau_drm *drm) 147 { 148 struct nvif_device *device = &drm->device; 149 u32 arg0, arg1; 150 u32 sclass[16]; 151 int ret, i; 152 153 if (nouveau_noaccel) 154 return; 155 156 /* initialise synchronisation routines */ 157 /*XXX: this is crap, but the fence/channel stuff is a little 158 * backwards in some places. this will be fixed. 159 */ 160 ret = nvif_object_sclass(&device->base, sclass, ARRAY_SIZE(sclass)); 161 if (ret < 0) 162 return; 163 164 for (ret = -ENOSYS, i = 0; ret && i < ARRAY_SIZE(sclass); i++) { 165 switch (sclass[i]) { 166 case NV03_CHANNEL_DMA: 167 ret = nv04_fence_create(drm); 168 break; 169 case NV10_CHANNEL_DMA: 170 ret = nv10_fence_create(drm); 171 break; 172 case NV17_CHANNEL_DMA: 173 case NV40_CHANNEL_DMA: 174 ret = nv17_fence_create(drm); 175 break; 176 case NV50_CHANNEL_GPFIFO: 177 ret = nv50_fence_create(drm); 178 break; 179 case G82_CHANNEL_GPFIFO: 180 ret = nv84_fence_create(drm); 181 break; 182 case FERMI_CHANNEL_GPFIFO: 183 case KEPLER_CHANNEL_GPFIFO_A: 184 ret = nvc0_fence_create(drm); 185 break; 186 default: 187 break; 188 } 189 } 190 191 if (ret) { 192 NV_ERROR(drm, "failed to initialise sync subsystem, %d\n", ret); 193 nouveau_accel_fini(drm); 194 return; 195 } 196 197 if (device->info.family >= NV_DEVICE_INFO_V0_KEPLER) { 198 ret = nouveau_channel_new(drm, &drm->device, NVDRM_CHAN + 1, 199 KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_CE0| 200 KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_CE1, 201 0, &drm->cechan); 202 if (ret) 203 NV_ERROR(drm, "failed to create ce channel, %d\n", ret); 204 205 arg0 = KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_GR; 206 arg1 = 1; 207 } else 208 if (device->info.chipset >= 0xa3 && 209 device->info.chipset != 0xaa && 210 device->info.chipset != 0xac) { 211 ret = nouveau_channel_new(drm, &drm->device, NVDRM_CHAN + 1, 212 NvDmaFB, NvDmaTT, &drm->cechan); 213 if (ret) 214 NV_ERROR(drm, "failed to create ce channel, %d\n", ret); 215 216 arg0 = NvDmaFB; 217 arg1 = NvDmaTT; 218 } else { 219 arg0 = NvDmaFB; 220 arg1 = NvDmaTT; 221 } 222 223 ret = nouveau_channel_new(drm, &drm->device, NVDRM_CHAN, arg0, arg1, 224 &drm->channel); 225 if (ret) { 226 NV_ERROR(drm, "failed to create kernel channel, %d\n", ret); 227 nouveau_accel_fini(drm); 228 return; 229 } 230 231 ret = nvif_object_init(drm->channel->object, NULL, NVDRM_NVSW, 232 nouveau_abi16_swclass(drm), NULL, 0, &drm->nvsw); 233 if (ret == 0) { 234 struct nvkm_sw_chan *swch; 235 ret = RING_SPACE(drm->channel, 2); 236 if (ret == 0) { 237 if (device->info.family < NV_DEVICE_INFO_V0_FERMI) { 238 BEGIN_NV04(drm->channel, NvSubSw, 0, 1); 239 OUT_RING (drm->channel, NVDRM_NVSW); 240 } else 241 if (device->info.family < NV_DEVICE_INFO_V0_KEPLER) { 242 BEGIN_NVC0(drm->channel, FermiSw, 0, 1); 243 OUT_RING (drm->channel, 0x001f0000); 244 } 245 } 246 swch = (void *)nvxx_object(&drm->nvsw)->parent; 247 swch->flip = nouveau_flip_complete; 248 swch->flip_data = drm->channel; 249 } 250 251 if (ret) { 252 NV_ERROR(drm, "failed to allocate software object, %d\n", ret); 253 nouveau_accel_fini(drm); 254 return; 255 } 256 257 if (device->info.family < NV_DEVICE_INFO_V0_FERMI) { 258 ret = nvkm_gpuobj_new(nvxx_object(&drm->device), NULL, 32, 259 0, 0, &drm->notify); 260 if (ret) { 261 NV_ERROR(drm, "failed to allocate notifier, %d\n", ret); 262 nouveau_accel_fini(drm); 263 return; 264 } 265 266 ret = nvif_object_init(drm->channel->object, NULL, NvNotify0, 267 NV_DMA_IN_MEMORY, 268 &(struct nv_dma_v0) { 269 .target = NV_DMA_V0_TARGET_VRAM, 270 .access = NV_DMA_V0_ACCESS_RDWR, 271 .start = drm->notify->addr, 272 .limit = drm->notify->addr + 31 273 }, sizeof(struct nv_dma_v0), 274 &drm->ntfy); 275 if (ret) { 276 nouveau_accel_fini(drm); 277 return; 278 } 279 } 280 281 282 nouveau_bo_move_init(drm); 283 } 284 285 static int nouveau_drm_probe(struct pci_dev *pdev, 286 const struct pci_device_id *pent) 287 { 288 struct nvkm_device *device; 289 struct apertures_struct *aper; 290 bool boot = false; 291 int ret; 292 293 /* remove conflicting drivers (vesafb, efifb etc) */ 294 aper = alloc_apertures(3); 295 if (!aper) 296 return -ENOMEM; 297 298 aper->ranges[0].base = pci_resource_start(pdev, 1); 299 aper->ranges[0].size = pci_resource_len(pdev, 1); 300 aper->count = 1; 301 302 if (pci_resource_len(pdev, 2)) { 303 aper->ranges[aper->count].base = pci_resource_start(pdev, 2); 304 aper->ranges[aper->count].size = pci_resource_len(pdev, 2); 305 aper->count++; 306 } 307 308 if (pci_resource_len(pdev, 3)) { 309 aper->ranges[aper->count].base = pci_resource_start(pdev, 3); 310 aper->ranges[aper->count].size = pci_resource_len(pdev, 3); 311 aper->count++; 312 } 313 314 #ifdef CONFIG_X86 315 boot = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW; 316 #endif 317 if (nouveau_modeset != 2) 318 remove_conflicting_framebuffers(aper, "nouveaufb", boot); 319 kfree(aper); 320 321 ret = nvkm_device_create(pdev, NVKM_BUS_PCI, 322 nouveau_pci_name(pdev), pci_name(pdev), 323 nouveau_config, nouveau_debug, &device); 324 if (ret) 325 return ret; 326 327 pci_set_master(pdev); 328 329 ret = drm_get_pci_dev(pdev, pent, &driver_pci); 330 if (ret) { 331 nvkm_object_ref(NULL, (struct nvkm_object **)&device); 332 return ret; 333 } 334 335 return 0; 336 } 337 338 #define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403 339 340 static void 341 nouveau_get_hdmi_dev(struct nouveau_drm *drm) 342 { 343 struct pci_dev *pdev = drm->dev->pdev; 344 345 if (!pdev) { 346 DRM_INFO("not a PCI device; no HDMI\n"); 347 drm->hdmi_device = NULL; 348 return; 349 } 350 351 /* subfunction one is a hdmi audio device? */ 352 drm->hdmi_device = pci_get_bus_and_slot((unsigned int)pdev->bus->number, 353 PCI_DEVFN(PCI_SLOT(pdev->devfn), 1)); 354 355 if (!drm->hdmi_device) { 356 NV_DEBUG(drm, "hdmi device not found %d %d %d\n", pdev->bus->number, PCI_SLOT(pdev->devfn), 1); 357 return; 358 } 359 360 if ((drm->hdmi_device->class >> 8) != PCI_CLASS_MULTIMEDIA_HD_AUDIO) { 361 NV_DEBUG(drm, "possible hdmi device not audio %d\n", drm->hdmi_device->class); 362 pci_dev_put(drm->hdmi_device); 363 drm->hdmi_device = NULL; 364 return; 365 } 366 } 367 368 static int 369 nouveau_drm_load(struct drm_device *dev, unsigned long flags) 370 { 371 struct pci_dev *pdev = dev->pdev; 372 struct nouveau_drm *drm; 373 int ret; 374 375 ret = nouveau_cli_create(nouveau_name(dev), "DRM", sizeof(*drm), 376 (void **)&drm); 377 if (ret) 378 return ret; 379 380 dev->dev_private = drm; 381 drm->dev = dev; 382 nvxx_client(&drm->client.base)->debug = 383 nvkm_dbgopt(nouveau_debug, "DRM"); 384 385 INIT_LIST_HEAD(&drm->clients); 386 spin_lock_init(&drm->tile.lock); 387 388 nouveau_get_hdmi_dev(drm); 389 390 /* make sure AGP controller is in a consistent state before we 391 * (possibly) execute vbios init tables (see nouveau_agp.h) 392 */ 393 if (pdev && drm_pci_device_is_agp(dev) && dev->agp) { 394 const u64 enables = NV_DEVICE_V0_DISABLE_IDENTIFY | 395 NV_DEVICE_V0_DISABLE_MMIO; 396 /* dummy device object, doesn't init anything, but allows 397 * agp code access to registers 398 */ 399 ret = nvif_device_init(&drm->client.base.base, NULL, 400 NVDRM_DEVICE, NV_DEVICE, 401 &(struct nv_device_v0) { 402 .device = ~0, 403 .disable = ~enables, 404 .debug0 = ~0, 405 }, sizeof(struct nv_device_v0), 406 &drm->device); 407 if (ret) 408 goto fail_device; 409 410 nouveau_agp_reset(drm); 411 nvif_device_fini(&drm->device); 412 } 413 414 ret = nvif_device_init(&drm->client.base.base, NULL, NVDRM_DEVICE, 415 NV_DEVICE, 416 &(struct nv_device_v0) { 417 .device = ~0, 418 .disable = 0, 419 .debug0 = 0, 420 }, sizeof(struct nv_device_v0), 421 &drm->device); 422 if (ret) 423 goto fail_device; 424 425 dev->irq_enabled = true; 426 427 /* workaround an odd issue on nvc1 by disabling the device's 428 * nosnoop capability. hopefully won't cause issues until a 429 * better fix is found - assuming there is one... 430 */ 431 if (drm->device.info.chipset == 0xc1) 432 nvif_mask(&drm->device, 0x00088080, 0x00000800, 0x00000000); 433 434 nouveau_vga_init(drm); 435 nouveau_agp_init(drm); 436 437 if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) { 438 ret = nvkm_vm_new(nvxx_device(&drm->device), 0, (1ULL << 40), 439 0x1000, &drm->client.vm); 440 if (ret) 441 goto fail_device; 442 443 nvxx_client(&drm->client.base)->vm = drm->client.vm; 444 } 445 446 ret = nouveau_ttm_init(drm); 447 if (ret) 448 goto fail_ttm; 449 450 ret = nouveau_bios_init(dev); 451 if (ret) 452 goto fail_bios; 453 454 ret = nouveau_display_create(dev); 455 if (ret) 456 goto fail_dispctor; 457 458 if (dev->mode_config.num_crtc) { 459 ret = nouveau_display_init(dev); 460 if (ret) 461 goto fail_dispinit; 462 } 463 464 nouveau_sysfs_init(dev); 465 nouveau_hwmon_init(dev); 466 nouveau_accel_init(drm); 467 nouveau_fbcon_init(dev); 468 469 if (nouveau_runtime_pm != 0) { 470 pm_runtime_use_autosuspend(dev->dev); 471 pm_runtime_set_autosuspend_delay(dev->dev, 5000); 472 pm_runtime_set_active(dev->dev); 473 pm_runtime_allow(dev->dev); 474 pm_runtime_mark_last_busy(dev->dev); 475 pm_runtime_put(dev->dev); 476 } 477 return 0; 478 479 fail_dispinit: 480 nouveau_display_destroy(dev); 481 fail_dispctor: 482 nouveau_bios_takedown(dev); 483 fail_bios: 484 nouveau_ttm_fini(drm); 485 fail_ttm: 486 nouveau_agp_fini(drm); 487 nouveau_vga_fini(drm); 488 fail_device: 489 nvif_device_fini(&drm->device); 490 nouveau_cli_destroy(&drm->client); 491 return ret; 492 } 493 494 static int 495 nouveau_drm_unload(struct drm_device *dev) 496 { 497 struct nouveau_drm *drm = nouveau_drm(dev); 498 499 pm_runtime_get_sync(dev->dev); 500 nouveau_fbcon_fini(dev); 501 nouveau_accel_fini(drm); 502 nouveau_hwmon_fini(dev); 503 nouveau_sysfs_fini(dev); 504 505 if (dev->mode_config.num_crtc) 506 nouveau_display_fini(dev); 507 nouveau_display_destroy(dev); 508 509 nouveau_bios_takedown(dev); 510 511 nouveau_ttm_fini(drm); 512 nouveau_agp_fini(drm); 513 nouveau_vga_fini(drm); 514 515 nvif_device_fini(&drm->device); 516 if (drm->hdmi_device) 517 pci_dev_put(drm->hdmi_device); 518 nouveau_cli_destroy(&drm->client); 519 return 0; 520 } 521 522 void 523 nouveau_drm_device_remove(struct drm_device *dev) 524 { 525 struct nouveau_drm *drm = nouveau_drm(dev); 526 struct nvkm_client *client; 527 struct nvkm_object *device; 528 529 dev->irq_enabled = false; 530 client = nvxx_client(&drm->client.base); 531 device = client->device; 532 drm_put_dev(dev); 533 534 nvkm_object_ref(NULL, &device); 535 nvkm_object_debug(); 536 } 537 538 static void 539 nouveau_drm_remove(struct pci_dev *pdev) 540 { 541 struct drm_device *dev = pci_get_drvdata(pdev); 542 543 nouveau_drm_device_remove(dev); 544 } 545 546 static int 547 nouveau_do_suspend(struct drm_device *dev, bool runtime) 548 { 549 struct nouveau_drm *drm = nouveau_drm(dev); 550 struct nouveau_cli *cli; 551 int ret; 552 553 if (dev->mode_config.num_crtc) { 554 NV_INFO(drm, "suspending console...\n"); 555 nouveau_fbcon_set_suspend(dev, 1); 556 NV_INFO(drm, "suspending display...\n"); 557 ret = nouveau_display_suspend(dev, runtime); 558 if (ret) 559 return ret; 560 } 561 562 NV_INFO(drm, "evicting buffers...\n"); 563 ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM); 564 565 NV_INFO(drm, "waiting for kernel channels to go idle...\n"); 566 if (drm->cechan) { 567 ret = nouveau_channel_idle(drm->cechan); 568 if (ret) 569 goto fail_display; 570 } 571 572 if (drm->channel) { 573 ret = nouveau_channel_idle(drm->channel); 574 if (ret) 575 goto fail_display; 576 } 577 578 NV_INFO(drm, "suspending client object trees...\n"); 579 if (drm->fence && nouveau_fence(drm)->suspend) { 580 if (!nouveau_fence(drm)->suspend(drm)) { 581 ret = -ENOMEM; 582 goto fail_display; 583 } 584 } 585 586 list_for_each_entry(cli, &drm->clients, head) { 587 ret = nvif_client_suspend(&cli->base); 588 if (ret) 589 goto fail_client; 590 } 591 592 NV_INFO(drm, "suspending kernel object tree...\n"); 593 ret = nvif_client_suspend(&drm->client.base); 594 if (ret) 595 goto fail_client; 596 597 nouveau_agp_fini(drm); 598 return 0; 599 600 fail_client: 601 list_for_each_entry_continue_reverse(cli, &drm->clients, head) { 602 nvif_client_resume(&cli->base); 603 } 604 605 if (drm->fence && nouveau_fence(drm)->resume) 606 nouveau_fence(drm)->resume(drm); 607 608 fail_display: 609 if (dev->mode_config.num_crtc) { 610 NV_INFO(drm, "resuming display...\n"); 611 nouveau_display_resume(dev, runtime); 612 } 613 return ret; 614 } 615 616 static int 617 nouveau_do_resume(struct drm_device *dev, bool runtime) 618 { 619 struct nouveau_drm *drm = nouveau_drm(dev); 620 struct nouveau_cli *cli; 621 622 NV_INFO(drm, "re-enabling device...\n"); 623 624 nouveau_agp_reset(drm); 625 626 NV_INFO(drm, "resuming kernel object tree...\n"); 627 nvif_client_resume(&drm->client.base); 628 nouveau_agp_init(drm); 629 630 NV_INFO(drm, "resuming client object trees...\n"); 631 if (drm->fence && nouveau_fence(drm)->resume) 632 nouveau_fence(drm)->resume(drm); 633 634 list_for_each_entry(cli, &drm->clients, head) { 635 nvif_client_resume(&cli->base); 636 } 637 638 nouveau_run_vbios_init(dev); 639 640 if (dev->mode_config.num_crtc) { 641 NV_INFO(drm, "resuming display...\n"); 642 nouveau_display_resume(dev, runtime); 643 NV_INFO(drm, "resuming console...\n"); 644 nouveau_fbcon_set_suspend(dev, 0); 645 } 646 647 return 0; 648 } 649 650 int 651 nouveau_pmops_suspend(struct device *dev) 652 { 653 struct pci_dev *pdev = to_pci_dev(dev); 654 struct drm_device *drm_dev = pci_get_drvdata(pdev); 655 int ret; 656 657 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF || 658 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF) 659 return 0; 660 661 ret = nouveau_do_suspend(drm_dev, false); 662 if (ret) 663 return ret; 664 665 pci_save_state(pdev); 666 pci_disable_device(pdev); 667 pci_set_power_state(pdev, PCI_D3hot); 668 return 0; 669 } 670 671 int 672 nouveau_pmops_resume(struct device *dev) 673 { 674 struct pci_dev *pdev = to_pci_dev(dev); 675 struct drm_device *drm_dev = pci_get_drvdata(pdev); 676 int ret; 677 678 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF || 679 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF) 680 return 0; 681 682 pci_set_power_state(pdev, PCI_D0); 683 pci_restore_state(pdev); 684 ret = pci_enable_device(pdev); 685 if (ret) 686 return ret; 687 pci_set_master(pdev); 688 689 return nouveau_do_resume(drm_dev, false); 690 } 691 692 static int 693 nouveau_pmops_freeze(struct device *dev) 694 { 695 struct pci_dev *pdev = to_pci_dev(dev); 696 struct drm_device *drm_dev = pci_get_drvdata(pdev); 697 return nouveau_do_suspend(drm_dev, false); 698 } 699 700 static int 701 nouveau_pmops_thaw(struct device *dev) 702 { 703 struct pci_dev *pdev = to_pci_dev(dev); 704 struct drm_device *drm_dev = pci_get_drvdata(pdev); 705 return nouveau_do_resume(drm_dev, false); 706 } 707 708 static int 709 nouveau_pmops_runtime_suspend(struct device *dev) 710 { 711 struct pci_dev *pdev = to_pci_dev(dev); 712 struct drm_device *drm_dev = pci_get_drvdata(pdev); 713 int ret; 714 715 if (nouveau_runtime_pm == 0) { 716 pm_runtime_forbid(dev); 717 return -EBUSY; 718 } 719 720 /* are we optimus enabled? */ 721 if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) { 722 DRM_DEBUG_DRIVER("failing to power off - not optimus\n"); 723 pm_runtime_forbid(dev); 724 return -EBUSY; 725 } 726 727 nv_debug_level(SILENT); 728 drm_kms_helper_poll_disable(drm_dev); 729 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF); 730 nouveau_switcheroo_optimus_dsm(); 731 ret = nouveau_do_suspend(drm_dev, true); 732 pci_save_state(pdev); 733 pci_disable_device(pdev); 734 pci_ignore_hotplug(pdev); 735 pci_set_power_state(pdev, PCI_D3cold); 736 drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF; 737 return ret; 738 } 739 740 static int 741 nouveau_pmops_runtime_resume(struct device *dev) 742 { 743 struct pci_dev *pdev = to_pci_dev(dev); 744 struct drm_device *drm_dev = pci_get_drvdata(pdev); 745 struct nvif_device *device = &nouveau_drm(drm_dev)->device; 746 int ret; 747 748 if (nouveau_runtime_pm == 0) 749 return -EINVAL; 750 751 pci_set_power_state(pdev, PCI_D0); 752 pci_restore_state(pdev); 753 ret = pci_enable_device(pdev); 754 if (ret) 755 return ret; 756 pci_set_master(pdev); 757 758 ret = nouveau_do_resume(drm_dev, true); 759 drm_kms_helper_poll_enable(drm_dev); 760 /* do magic */ 761 nvif_mask(device, 0x88488, (1 << 25), (1 << 25)); 762 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON); 763 drm_dev->switch_power_state = DRM_SWITCH_POWER_ON; 764 nv_debug_level(NORMAL); 765 return ret; 766 } 767 768 static int 769 nouveau_pmops_runtime_idle(struct device *dev) 770 { 771 struct pci_dev *pdev = to_pci_dev(dev); 772 struct drm_device *drm_dev = pci_get_drvdata(pdev); 773 struct nouveau_drm *drm = nouveau_drm(drm_dev); 774 struct drm_crtc *crtc; 775 776 if (nouveau_runtime_pm == 0) { 777 pm_runtime_forbid(dev); 778 return -EBUSY; 779 } 780 781 /* are we optimus enabled? */ 782 if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) { 783 DRM_DEBUG_DRIVER("failing to power off - not optimus\n"); 784 pm_runtime_forbid(dev); 785 return -EBUSY; 786 } 787 788 /* if we have a hdmi audio device - make sure it has a driver loaded */ 789 if (drm->hdmi_device) { 790 if (!drm->hdmi_device->driver) { 791 DRM_DEBUG_DRIVER("failing to power off - no HDMI audio driver loaded\n"); 792 pm_runtime_mark_last_busy(dev); 793 return -EBUSY; 794 } 795 } 796 797 list_for_each_entry(crtc, &drm->dev->mode_config.crtc_list, head) { 798 if (crtc->enabled) { 799 DRM_DEBUG_DRIVER("failing to power off - crtc active\n"); 800 return -EBUSY; 801 } 802 } 803 pm_runtime_mark_last_busy(dev); 804 pm_runtime_autosuspend(dev); 805 /* we don't want the main rpm_idle to call suspend - we want to autosuspend */ 806 return 1; 807 } 808 809 static int 810 nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv) 811 { 812 struct nouveau_drm *drm = nouveau_drm(dev); 813 struct nouveau_cli *cli; 814 char name[32], tmpname[TASK_COMM_LEN]; 815 int ret; 816 817 /* need to bring up power immediately if opening device */ 818 ret = pm_runtime_get_sync(dev->dev); 819 if (ret < 0 && ret != -EACCES) 820 return ret; 821 822 get_task_comm(tmpname, current); 823 snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid)); 824 825 ret = nouveau_cli_create(nouveau_name(dev), name, sizeof(*cli), 826 (void **)&cli); 827 828 if (ret) 829 goto out_suspend; 830 831 cli->base.super = false; 832 833 if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) { 834 ret = nvkm_vm_new(nvxx_device(&drm->device), 0, (1ULL << 40), 835 0x1000, &cli->vm); 836 if (ret) { 837 nouveau_cli_destroy(cli); 838 goto out_suspend; 839 } 840 841 nvxx_client(&cli->base)->vm = cli->vm; 842 } 843 844 fpriv->driver_priv = cli; 845 846 mutex_lock(&drm->client.mutex); 847 list_add(&cli->head, &drm->clients); 848 mutex_unlock(&drm->client.mutex); 849 850 out_suspend: 851 pm_runtime_mark_last_busy(dev->dev); 852 pm_runtime_put_autosuspend(dev->dev); 853 854 return ret; 855 } 856 857 static void 858 nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv) 859 { 860 struct nouveau_cli *cli = nouveau_cli(fpriv); 861 struct nouveau_drm *drm = nouveau_drm(dev); 862 863 pm_runtime_get_sync(dev->dev); 864 865 if (cli->abi16) 866 nouveau_abi16_fini(cli->abi16); 867 868 mutex_lock(&drm->client.mutex); 869 list_del(&cli->head); 870 mutex_unlock(&drm->client.mutex); 871 872 } 873 874 static void 875 nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv) 876 { 877 struct nouveau_cli *cli = nouveau_cli(fpriv); 878 nouveau_cli_destroy(cli); 879 pm_runtime_mark_last_busy(dev->dev); 880 pm_runtime_put_autosuspend(dev->dev); 881 } 882 883 static const struct drm_ioctl_desc 884 nouveau_ioctls[] = { 885 DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 886 DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_UNLOCKED|DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), 887 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 888 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 889 DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 890 DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 891 DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 892 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 893 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 894 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 895 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 896 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW), 897 }; 898 899 long 900 nouveau_drm_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 901 { 902 struct drm_file *filp = file->private_data; 903 struct drm_device *dev = filp->minor->dev; 904 long ret; 905 906 ret = pm_runtime_get_sync(dev->dev); 907 if (ret < 0 && ret != -EACCES) 908 return ret; 909 910 switch (_IOC_NR(cmd) - DRM_COMMAND_BASE) { 911 case DRM_NOUVEAU_NVIF: 912 ret = usif_ioctl(filp, (void __user *)arg, _IOC_SIZE(cmd)); 913 break; 914 default: 915 ret = drm_ioctl(file, cmd, arg); 916 break; 917 } 918 919 pm_runtime_mark_last_busy(dev->dev); 920 pm_runtime_put_autosuspend(dev->dev); 921 return ret; 922 } 923 924 static const struct file_operations 925 nouveau_driver_fops = { 926 .owner = THIS_MODULE, 927 .open = drm_open, 928 .release = drm_release, 929 .unlocked_ioctl = nouveau_drm_ioctl, 930 .mmap = nouveau_ttm_mmap, 931 .poll = drm_poll, 932 .read = drm_read, 933 #if defined(CONFIG_COMPAT) 934 .compat_ioctl = nouveau_compat_ioctl, 935 #endif 936 .llseek = noop_llseek, 937 }; 938 939 static struct drm_driver 940 driver_stub = { 941 .driver_features = 942 DRIVER_USE_AGP | 943 DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER, 944 945 .load = nouveau_drm_load, 946 .unload = nouveau_drm_unload, 947 .open = nouveau_drm_open, 948 .preclose = nouveau_drm_preclose, 949 .postclose = nouveau_drm_postclose, 950 .lastclose = nouveau_vga_lastclose, 951 952 #if defined(CONFIG_DEBUG_FS) 953 .debugfs_init = nouveau_debugfs_init, 954 .debugfs_cleanup = nouveau_debugfs_takedown, 955 #endif 956 957 .get_vblank_counter = drm_vblank_count, 958 .enable_vblank = nouveau_display_vblank_enable, 959 .disable_vblank = nouveau_display_vblank_disable, 960 .get_scanout_position = nouveau_display_scanoutpos, 961 .get_vblank_timestamp = nouveau_display_vblstamp, 962 963 .ioctls = nouveau_ioctls, 964 .num_ioctls = ARRAY_SIZE(nouveau_ioctls), 965 .fops = &nouveau_driver_fops, 966 967 .prime_handle_to_fd = drm_gem_prime_handle_to_fd, 968 .prime_fd_to_handle = drm_gem_prime_fd_to_handle, 969 .gem_prime_export = drm_gem_prime_export, 970 .gem_prime_import = drm_gem_prime_import, 971 .gem_prime_pin = nouveau_gem_prime_pin, 972 .gem_prime_res_obj = nouveau_gem_prime_res_obj, 973 .gem_prime_unpin = nouveau_gem_prime_unpin, 974 .gem_prime_get_sg_table = nouveau_gem_prime_get_sg_table, 975 .gem_prime_import_sg_table = nouveau_gem_prime_import_sg_table, 976 .gem_prime_vmap = nouveau_gem_prime_vmap, 977 .gem_prime_vunmap = nouveau_gem_prime_vunmap, 978 979 .gem_free_object = nouveau_gem_object_del, 980 .gem_open_object = nouveau_gem_object_open, 981 .gem_close_object = nouveau_gem_object_close, 982 983 .dumb_create = nouveau_display_dumb_create, 984 .dumb_map_offset = nouveau_display_dumb_map_offset, 985 .dumb_destroy = drm_gem_dumb_destroy, 986 987 .name = DRIVER_NAME, 988 .desc = DRIVER_DESC, 989 #ifdef GIT_REVISION 990 .date = GIT_REVISION, 991 #else 992 .date = DRIVER_DATE, 993 #endif 994 .major = DRIVER_MAJOR, 995 .minor = DRIVER_MINOR, 996 .patchlevel = DRIVER_PATCHLEVEL, 997 }; 998 999 static struct pci_device_id 1000 nouveau_drm_pci_table[] = { 1001 { 1002 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID), 1003 .class = PCI_BASE_CLASS_DISPLAY << 16, 1004 .class_mask = 0xff << 16, 1005 }, 1006 { 1007 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID), 1008 .class = PCI_BASE_CLASS_DISPLAY << 16, 1009 .class_mask = 0xff << 16, 1010 }, 1011 {} 1012 }; 1013 1014 static void nouveau_display_options(void) 1015 { 1016 DRM_DEBUG_DRIVER("Loading Nouveau with parameters:\n"); 1017 1018 DRM_DEBUG_DRIVER("... tv_disable : %d\n", nouveau_tv_disable); 1019 DRM_DEBUG_DRIVER("... ignorelid : %d\n", nouveau_ignorelid); 1020 DRM_DEBUG_DRIVER("... duallink : %d\n", nouveau_duallink); 1021 DRM_DEBUG_DRIVER("... nofbaccel : %d\n", nouveau_nofbaccel); 1022 DRM_DEBUG_DRIVER("... config : %s\n", nouveau_config); 1023 DRM_DEBUG_DRIVER("... debug : %s\n", nouveau_debug); 1024 DRM_DEBUG_DRIVER("... noaccel : %d\n", nouveau_noaccel); 1025 DRM_DEBUG_DRIVER("... modeset : %d\n", nouveau_modeset); 1026 DRM_DEBUG_DRIVER("... runpm : %d\n", nouveau_runtime_pm); 1027 DRM_DEBUG_DRIVER("... vram_pushbuf : %d\n", nouveau_vram_pushbuf); 1028 DRM_DEBUG_DRIVER("... pstate : %d\n", nouveau_pstate); 1029 } 1030 1031 static const struct dev_pm_ops nouveau_pm_ops = { 1032 .suspend = nouveau_pmops_suspend, 1033 .resume = nouveau_pmops_resume, 1034 .freeze = nouveau_pmops_freeze, 1035 .thaw = nouveau_pmops_thaw, 1036 .poweroff = nouveau_pmops_freeze, 1037 .restore = nouveau_pmops_resume, 1038 .runtime_suspend = nouveau_pmops_runtime_suspend, 1039 .runtime_resume = nouveau_pmops_runtime_resume, 1040 .runtime_idle = nouveau_pmops_runtime_idle, 1041 }; 1042 1043 static struct pci_driver 1044 nouveau_drm_pci_driver = { 1045 .name = "nouveau", 1046 .id_table = nouveau_drm_pci_table, 1047 .probe = nouveau_drm_probe, 1048 .remove = nouveau_drm_remove, 1049 .driver.pm = &nouveau_pm_ops, 1050 }; 1051 1052 struct drm_device * 1053 nouveau_platform_device_create_(struct platform_device *pdev, int size, 1054 void **pobject) 1055 { 1056 struct drm_device *drm; 1057 int err; 1058 1059 err = nvkm_device_create_(pdev, NVKM_BUS_PLATFORM, 1060 nouveau_platform_name(pdev), 1061 dev_name(&pdev->dev), nouveau_config, 1062 nouveau_debug, size, pobject); 1063 if (err) 1064 return ERR_PTR(err); 1065 1066 drm = drm_dev_alloc(&driver_platform, &pdev->dev); 1067 if (!drm) { 1068 err = -ENOMEM; 1069 goto err_free; 1070 } 1071 1072 err = drm_dev_set_unique(drm, "%s", dev_name(&pdev->dev)); 1073 if (err < 0) 1074 goto err_free; 1075 1076 drm->platformdev = pdev; 1077 platform_set_drvdata(pdev, drm); 1078 1079 return drm; 1080 1081 err_free: 1082 nvkm_object_ref(NULL, (struct nvkm_object **)pobject); 1083 1084 return ERR_PTR(err); 1085 } 1086 1087 static int __init 1088 nouveau_drm_init(void) 1089 { 1090 driver_pci = driver_stub; 1091 driver_pci.set_busid = drm_pci_set_busid; 1092 driver_platform = driver_stub; 1093 driver_platform.set_busid = drm_platform_set_busid; 1094 1095 nouveau_display_options(); 1096 1097 if (nouveau_modeset == -1) { 1098 #ifdef CONFIG_VGA_CONSOLE 1099 if (vgacon_text_force()) 1100 nouveau_modeset = 0; 1101 #endif 1102 } 1103 1104 if (!nouveau_modeset) 1105 return 0; 1106 1107 #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER 1108 platform_driver_register(&nouveau_platform_driver); 1109 #endif 1110 1111 nouveau_register_dsm_handler(); 1112 return drm_pci_init(&driver_pci, &nouveau_drm_pci_driver); 1113 } 1114 1115 static void __exit 1116 nouveau_drm_exit(void) 1117 { 1118 if (!nouveau_modeset) 1119 return; 1120 1121 drm_pci_exit(&driver_pci, &nouveau_drm_pci_driver); 1122 nouveau_unregister_dsm_handler(); 1123 1124 #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER 1125 platform_driver_unregister(&nouveau_platform_driver); 1126 #endif 1127 } 1128 1129 module_init(nouveau_drm_init); 1130 module_exit(nouveau_drm_exit); 1131 1132 MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table); 1133 MODULE_AUTHOR(DRIVER_AUTHOR); 1134 MODULE_DESCRIPTION(DRIVER_DESC); 1135 MODULE_LICENSE("GPL and additional rights"); 1136