xref: /linux/drivers/gpu/drm/nouveau/nouveau_drm.c (revision d0b73b488c55df905ea8faaad079f8535629ed26)
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 
29 #include <core/device.h>
30 #include <core/client.h>
31 #include <core/gpuobj.h>
32 #include <core/class.h>
33 
34 #include <subdev/device.h>
35 #include <subdev/vm.h>
36 
37 #include "nouveau_drm.h"
38 #include "nouveau_irq.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_pm.h"
45 #include "nouveau_acpi.h"
46 #include "nouveau_bios.h"
47 #include "nouveau_ioctl.h"
48 #include "nouveau_abi16.h"
49 #include "nouveau_fbcon.h"
50 #include "nouveau_fence.h"
51 
52 MODULE_PARM_DESC(config, "option string to pass to driver core");
53 static char *nouveau_config;
54 module_param_named(config, nouveau_config, charp, 0400);
55 
56 MODULE_PARM_DESC(debug, "debug string to pass to driver core");
57 static char *nouveau_debug;
58 module_param_named(debug, nouveau_debug, charp, 0400);
59 
60 MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration");
61 static int nouveau_noaccel = 0;
62 module_param_named(noaccel, nouveau_noaccel, int, 0400);
63 
64 MODULE_PARM_DESC(modeset, "enable driver (default: auto, "
65 		          "0 = disabled, 1 = enabled, 2 = headless)");
66 int nouveau_modeset = -1;
67 module_param_named(modeset, nouveau_modeset, int, 0400);
68 
69 static struct drm_driver driver;
70 
71 static u64
72 nouveau_name(struct pci_dev *pdev)
73 {
74 	u64 name = (u64)pci_domain_nr(pdev->bus) << 32;
75 	name |= pdev->bus->number << 16;
76 	name |= PCI_SLOT(pdev->devfn) << 8;
77 	return name | PCI_FUNC(pdev->devfn);
78 }
79 
80 static int
81 nouveau_cli_create(struct pci_dev *pdev, const char *name,
82 		   int size, void **pcli)
83 {
84 	struct nouveau_cli *cli;
85 	int ret;
86 
87 	*pcli = NULL;
88 	ret = nouveau_client_create_(name, nouveau_name(pdev), nouveau_config,
89 				     nouveau_debug, size, pcli);
90 	cli = *pcli;
91 	if (ret) {
92 		if (cli)
93 			nouveau_client_destroy(&cli->base);
94 		*pcli = NULL;
95 		return ret;
96 	}
97 
98 	mutex_init(&cli->mutex);
99 	return 0;
100 }
101 
102 static void
103 nouveau_cli_destroy(struct nouveau_cli *cli)
104 {
105 	struct nouveau_object *client = nv_object(cli);
106 	nouveau_vm_ref(NULL, &cli->base.vm, NULL);
107 	nouveau_client_fini(&cli->base, false);
108 	atomic_set(&client->refcount, 1);
109 	nouveau_object_ref(NULL, &client);
110 }
111 
112 static void
113 nouveau_accel_fini(struct nouveau_drm *drm)
114 {
115 	nouveau_gpuobj_ref(NULL, &drm->notify);
116 	nouveau_channel_del(&drm->channel);
117 	nouveau_channel_del(&drm->cechan);
118 	if (drm->fence)
119 		nouveau_fence(drm)->dtor(drm);
120 }
121 
122 static void
123 nouveau_accel_init(struct nouveau_drm *drm)
124 {
125 	struct nouveau_device *device = nv_device(drm->device);
126 	struct nouveau_object *object;
127 	u32 arg0, arg1;
128 	int ret;
129 
130 	if (nouveau_noaccel)
131 		return;
132 
133 	/* initialise synchronisation routines */
134 	if      (device->card_type < NV_10) ret = nv04_fence_create(drm);
135 	else if (device->card_type < NV_50) ret = nv10_fence_create(drm);
136 	else if (device->chipset   <  0x84) ret = nv50_fence_create(drm);
137 	else if (device->card_type < NV_C0) ret = nv84_fence_create(drm);
138 	else                                ret = nvc0_fence_create(drm);
139 	if (ret) {
140 		NV_ERROR(drm, "failed to initialise sync subsystem, %d\n", ret);
141 		nouveau_accel_fini(drm);
142 		return;
143 	}
144 
145 	if (device->card_type >= NV_E0) {
146 		ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE,
147 					  NVDRM_CHAN + 1,
148 					  NVE0_CHANNEL_IND_ENGINE_CE0 |
149 					  NVE0_CHANNEL_IND_ENGINE_CE1, 0,
150 					  &drm->cechan);
151 		if (ret)
152 			NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
153 
154 		arg0 = NVE0_CHANNEL_IND_ENGINE_GR;
155 		arg1 = 1;
156 	} else {
157 		arg0 = NvDmaFB;
158 		arg1 = NvDmaTT;
159 	}
160 
161 	ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE, NVDRM_CHAN,
162 				  arg0, arg1, &drm->channel);
163 	if (ret) {
164 		NV_ERROR(drm, "failed to create kernel channel, %d\n", ret);
165 		nouveau_accel_fini(drm);
166 		return;
167 	}
168 
169 	if (device->card_type < NV_C0) {
170 		ret = nouveau_gpuobj_new(drm->device, NULL, 32, 0, 0,
171 					&drm->notify);
172 		if (ret) {
173 			NV_ERROR(drm, "failed to allocate notifier, %d\n", ret);
174 			nouveau_accel_fini(drm);
175 			return;
176 		}
177 
178 		ret = nouveau_object_new(nv_object(drm),
179 					 drm->channel->handle, NvNotify0,
180 					 0x003d, &(struct nv_dma_class) {
181 						.flags = NV_DMA_TARGET_VRAM |
182 							 NV_DMA_ACCESS_RDWR,
183 						.start = drm->notify->addr,
184 						.limit = drm->notify->addr + 31
185 						}, sizeof(struct nv_dma_class),
186 					 &object);
187 		if (ret) {
188 			nouveau_accel_fini(drm);
189 			return;
190 		}
191 	}
192 
193 
194 	nouveau_bo_move_init(drm);
195 }
196 
197 static int nouveau_drm_probe(struct pci_dev *pdev,
198 			     const struct pci_device_id *pent)
199 {
200 	struct nouveau_device *device;
201 	struct apertures_struct *aper;
202 	bool boot = false;
203 	int ret;
204 
205 	/* remove conflicting drivers (vesafb, efifb etc) */
206 	aper = alloc_apertures(3);
207 	if (!aper)
208 		return -ENOMEM;
209 
210 	aper->ranges[0].base = pci_resource_start(pdev, 1);
211 	aper->ranges[0].size = pci_resource_len(pdev, 1);
212 	aper->count = 1;
213 
214 	if (pci_resource_len(pdev, 2)) {
215 		aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
216 		aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
217 		aper->count++;
218 	}
219 
220 	if (pci_resource_len(pdev, 3)) {
221 		aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
222 		aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
223 		aper->count++;
224 	}
225 
226 #ifdef CONFIG_X86
227 	boot = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
228 #endif
229 	remove_conflicting_framebuffers(aper, "nouveaufb", boot);
230 	kfree(aper);
231 
232 	ret = nouveau_device_create(pdev, nouveau_name(pdev), pci_name(pdev),
233 				    nouveau_config, nouveau_debug, &device);
234 	if (ret)
235 		return ret;
236 
237 	pci_set_master(pdev);
238 
239 	ret = drm_get_pci_dev(pdev, pent, &driver);
240 	if (ret) {
241 		nouveau_object_ref(NULL, (struct nouveau_object **)&device);
242 		return ret;
243 	}
244 
245 	return 0;
246 }
247 
248 static struct lock_class_key drm_client_lock_class_key;
249 
250 static int
251 nouveau_drm_load(struct drm_device *dev, unsigned long flags)
252 {
253 	struct pci_dev *pdev = dev->pdev;
254 	struct nouveau_device *device;
255 	struct nouveau_drm *drm;
256 	int ret;
257 
258 	ret = nouveau_cli_create(pdev, "DRM", sizeof(*drm), (void**)&drm);
259 	if (ret)
260 		return ret;
261 	lockdep_set_class(&drm->client.mutex, &drm_client_lock_class_key);
262 
263 	dev->dev_private = drm;
264 	drm->dev = dev;
265 
266 	INIT_LIST_HEAD(&drm->clients);
267 	spin_lock_init(&drm->tile.lock);
268 
269 	/* make sure AGP controller is in a consistent state before we
270 	 * (possibly) execute vbios init tables (see nouveau_agp.h)
271 	 */
272 	if (drm_pci_device_is_agp(dev) && dev->agp) {
273 		/* dummy device object, doesn't init anything, but allows
274 		 * agp code access to registers
275 		 */
276 		ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT,
277 					 NVDRM_DEVICE, 0x0080,
278 					 &(struct nv_device_class) {
279 						.device = ~0,
280 						.disable =
281 						 ~(NV_DEVICE_DISABLE_MMIO |
282 						   NV_DEVICE_DISABLE_IDENTIFY),
283 						.debug0 = ~0,
284 					 }, sizeof(struct nv_device_class),
285 					 &drm->device);
286 		if (ret)
287 			goto fail_device;
288 
289 		nouveau_agp_reset(drm);
290 		nouveau_object_del(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE);
291 	}
292 
293 	ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE,
294 				 0x0080, &(struct nv_device_class) {
295 					.device = ~0,
296 					.disable = 0,
297 					.debug0 = 0,
298 				 }, sizeof(struct nv_device_class),
299 				 &drm->device);
300 	if (ret)
301 		goto fail_device;
302 
303 	/* workaround an odd issue on nvc1 by disabling the device's
304 	 * nosnoop capability.  hopefully won't cause issues until a
305 	 * better fix is found - assuming there is one...
306 	 */
307 	device = nv_device(drm->device);
308 	if (nv_device(drm->device)->chipset == 0xc1)
309 		nv_mask(device, 0x00088080, 0x00000800, 0x00000000);
310 
311 	nouveau_vga_init(drm);
312 	nouveau_agp_init(drm);
313 
314 	if (device->card_type >= NV_50) {
315 		ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40),
316 				     0x1000, &drm->client.base.vm);
317 		if (ret)
318 			goto fail_device;
319 	}
320 
321 	ret = nouveau_ttm_init(drm);
322 	if (ret)
323 		goto fail_ttm;
324 
325 	ret = nouveau_bios_init(dev);
326 	if (ret)
327 		goto fail_bios;
328 
329 	ret = nouveau_irq_init(dev);
330 	if (ret)
331 		goto fail_irq;
332 
333 	ret = nouveau_display_create(dev);
334 	if (ret)
335 		goto fail_dispctor;
336 
337 	if (dev->mode_config.num_crtc) {
338 		ret = nouveau_display_init(dev);
339 		if (ret)
340 			goto fail_dispinit;
341 	}
342 
343 	nouveau_pm_init(dev);
344 
345 	nouveau_accel_init(drm);
346 	nouveau_fbcon_init(dev);
347 	return 0;
348 
349 fail_dispinit:
350 	nouveau_display_destroy(dev);
351 fail_dispctor:
352 	nouveau_irq_fini(dev);
353 fail_irq:
354 	nouveau_bios_takedown(dev);
355 fail_bios:
356 	nouveau_ttm_fini(drm);
357 fail_ttm:
358 	nouveau_agp_fini(drm);
359 	nouveau_vga_fini(drm);
360 fail_device:
361 	nouveau_cli_destroy(&drm->client);
362 	return ret;
363 }
364 
365 static int
366 nouveau_drm_unload(struct drm_device *dev)
367 {
368 	struct nouveau_drm *drm = nouveau_drm(dev);
369 
370 	nouveau_fbcon_fini(dev);
371 	nouveau_accel_fini(drm);
372 
373 	nouveau_pm_fini(dev);
374 
375 	if (dev->mode_config.num_crtc)
376 		nouveau_display_fini(dev);
377 	nouveau_display_destroy(dev);
378 
379 	nouveau_irq_fini(dev);
380 	nouveau_bios_takedown(dev);
381 
382 	nouveau_ttm_fini(drm);
383 	nouveau_agp_fini(drm);
384 	nouveau_vga_fini(drm);
385 
386 	nouveau_cli_destroy(&drm->client);
387 	return 0;
388 }
389 
390 static void
391 nouveau_drm_remove(struct pci_dev *pdev)
392 {
393 	struct drm_device *dev = pci_get_drvdata(pdev);
394 	struct nouveau_drm *drm = nouveau_drm(dev);
395 	struct nouveau_object *device;
396 
397 	device = drm->client.base.device;
398 	drm_put_dev(dev);
399 
400 	nouveau_object_ref(NULL, &device);
401 	nouveau_object_debug();
402 }
403 
404 int
405 nouveau_do_suspend(struct drm_device *dev)
406 {
407 	struct nouveau_drm *drm = nouveau_drm(dev);
408 	struct nouveau_cli *cli;
409 	int ret;
410 
411 	if (dev->mode_config.num_crtc) {
412 		NV_INFO(drm, "suspending fbcon...\n");
413 		nouveau_fbcon_set_suspend(dev, 1);
414 
415 		NV_INFO(drm, "suspending display...\n");
416 		ret = nouveau_display_suspend(dev);
417 		if (ret)
418 			return ret;
419 	}
420 
421 	NV_INFO(drm, "evicting buffers...\n");
422 	ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM);
423 
424 	if (drm->fence && nouveau_fence(drm)->suspend) {
425 		if (!nouveau_fence(drm)->suspend(drm))
426 			return -ENOMEM;
427 	}
428 
429 	NV_INFO(drm, "suspending client object trees...\n");
430 	list_for_each_entry(cli, &drm->clients, head) {
431 		ret = nouveau_client_fini(&cli->base, true);
432 		if (ret)
433 			goto fail_client;
434 	}
435 
436 	ret = nouveau_client_fini(&drm->client.base, true);
437 	if (ret)
438 		goto fail_client;
439 
440 	nouveau_agp_fini(drm);
441 	return 0;
442 
443 fail_client:
444 	list_for_each_entry_continue_reverse(cli, &drm->clients, head) {
445 		nouveau_client_init(&cli->base);
446 	}
447 
448 	if (dev->mode_config.num_crtc) {
449 		NV_INFO(drm, "resuming display...\n");
450 		nouveau_display_resume(dev);
451 	}
452 	return ret;
453 }
454 
455 int nouveau_pmops_suspend(struct device *dev)
456 {
457 	struct pci_dev *pdev = to_pci_dev(dev);
458 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
459 	int ret;
460 
461 	if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF)
462 		return 0;
463 
464 	ret = nouveau_do_suspend(drm_dev);
465 	if (ret)
466 		return ret;
467 
468 	pci_save_state(pdev);
469 	pci_disable_device(pdev);
470 	pci_set_power_state(pdev, PCI_D3hot);
471 
472 	return 0;
473 }
474 
475 int
476 nouveau_do_resume(struct drm_device *dev)
477 {
478 	struct nouveau_drm *drm = nouveau_drm(dev);
479 	struct nouveau_cli *cli;
480 
481 	NV_INFO(drm, "re-enabling device...\n");
482 
483 	nouveau_agp_reset(drm);
484 
485 	NV_INFO(drm, "resuming client object trees...\n");
486 	nouveau_client_init(&drm->client.base);
487 	nouveau_agp_init(drm);
488 
489 	list_for_each_entry(cli, &drm->clients, head) {
490 		nouveau_client_init(&cli->base);
491 	}
492 
493 	if (drm->fence && nouveau_fence(drm)->resume)
494 		nouveau_fence(drm)->resume(drm);
495 
496 	nouveau_run_vbios_init(dev);
497 	nouveau_irq_postinstall(dev);
498 	nouveau_pm_resume(dev);
499 
500 	if (dev->mode_config.num_crtc) {
501 		NV_INFO(drm, "resuming display...\n");
502 		nouveau_display_resume(dev);
503 	}
504 	return 0;
505 }
506 
507 int nouveau_pmops_resume(struct device *dev)
508 {
509 	struct pci_dev *pdev = to_pci_dev(dev);
510 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
511 	int ret;
512 
513 	if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF)
514 		return 0;
515 
516 	pci_set_power_state(pdev, PCI_D0);
517 	pci_restore_state(pdev);
518 	ret = pci_enable_device(pdev);
519 	if (ret)
520 		return ret;
521 	pci_set_master(pdev);
522 
523 	return nouveau_do_resume(drm_dev);
524 }
525 
526 static int nouveau_pmops_freeze(struct device *dev)
527 {
528 	struct pci_dev *pdev = to_pci_dev(dev);
529 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
530 
531 	return nouveau_do_suspend(drm_dev);
532 }
533 
534 static int nouveau_pmops_thaw(struct device *dev)
535 {
536 	struct pci_dev *pdev = to_pci_dev(dev);
537 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
538 
539 	return nouveau_do_resume(drm_dev);
540 }
541 
542 
543 static int
544 nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
545 {
546 	struct pci_dev *pdev = dev->pdev;
547 	struct nouveau_drm *drm = nouveau_drm(dev);
548 	struct nouveau_cli *cli;
549 	char name[16];
550 	int ret;
551 
552 	snprintf(name, sizeof(name), "%d", pid_nr(fpriv->pid));
553 
554 	ret = nouveau_cli_create(pdev, name, sizeof(*cli), (void **)&cli);
555 	if (ret)
556 		return ret;
557 
558 	if (nv_device(drm->device)->card_type >= NV_50) {
559 		ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40),
560 				     0x1000, &cli->base.vm);
561 		if (ret) {
562 			nouveau_cli_destroy(cli);
563 			return ret;
564 		}
565 	}
566 
567 	fpriv->driver_priv = cli;
568 
569 	mutex_lock(&drm->client.mutex);
570 	list_add(&cli->head, &drm->clients);
571 	mutex_unlock(&drm->client.mutex);
572 	return 0;
573 }
574 
575 static void
576 nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv)
577 {
578 	struct nouveau_cli *cli = nouveau_cli(fpriv);
579 	struct nouveau_drm *drm = nouveau_drm(dev);
580 
581 	if (cli->abi16)
582 		nouveau_abi16_fini(cli->abi16);
583 
584 	mutex_lock(&drm->client.mutex);
585 	list_del(&cli->head);
586 	mutex_unlock(&drm->client.mutex);
587 }
588 
589 static void
590 nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv)
591 {
592 	struct nouveau_cli *cli = nouveau_cli(fpriv);
593 	nouveau_cli_destroy(cli);
594 }
595 
596 static struct drm_ioctl_desc
597 nouveau_ioctls[] = {
598 	DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_UNLOCKED|DRM_AUTH),
599 	DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_UNLOCKED|DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
600 	DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_UNLOCKED|DRM_AUTH),
601 	DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_UNLOCKED|DRM_AUTH),
602 	DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_UNLOCKED|DRM_AUTH),
603 	DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_UNLOCKED|DRM_AUTH),
604 	DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_UNLOCKED|DRM_AUTH),
605 	DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_UNLOCKED|DRM_AUTH),
606 	DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_UNLOCKED|DRM_AUTH),
607 	DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_UNLOCKED|DRM_AUTH),
608 	DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_UNLOCKED|DRM_AUTH),
609 	DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_UNLOCKED|DRM_AUTH),
610 };
611 
612 static const struct file_operations
613 nouveau_driver_fops = {
614 	.owner = THIS_MODULE,
615 	.open = drm_open,
616 	.release = drm_release,
617 	.unlocked_ioctl = drm_ioctl,
618 	.mmap = nouveau_ttm_mmap,
619 	.poll = drm_poll,
620 	.fasync = drm_fasync,
621 	.read = drm_read,
622 #if defined(CONFIG_COMPAT)
623 	.compat_ioctl = nouveau_compat_ioctl,
624 #endif
625 	.llseek = noop_llseek,
626 };
627 
628 static struct drm_driver
629 driver = {
630 	.driver_features =
631 		DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_SG |
632 		DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
633 		DRIVER_MODESET | DRIVER_PRIME,
634 
635 	.load = nouveau_drm_load,
636 	.unload = nouveau_drm_unload,
637 	.open = nouveau_drm_open,
638 	.preclose = nouveau_drm_preclose,
639 	.postclose = nouveau_drm_postclose,
640 	.lastclose = nouveau_vga_lastclose,
641 
642 	.irq_preinstall = nouveau_irq_preinstall,
643 	.irq_postinstall = nouveau_irq_postinstall,
644 	.irq_uninstall = nouveau_irq_uninstall,
645 	.irq_handler = nouveau_irq_handler,
646 
647 	.get_vblank_counter = drm_vblank_count,
648 	.enable_vblank = nouveau_vblank_enable,
649 	.disable_vblank = nouveau_vblank_disable,
650 
651 	.ioctls = nouveau_ioctls,
652 	.fops = &nouveau_driver_fops,
653 
654 	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
655 	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
656 	.gem_prime_export = nouveau_gem_prime_export,
657 	.gem_prime_import = nouveau_gem_prime_import,
658 
659 	.gem_init_object = nouveau_gem_object_new,
660 	.gem_free_object = nouveau_gem_object_del,
661 	.gem_open_object = nouveau_gem_object_open,
662 	.gem_close_object = nouveau_gem_object_close,
663 
664 	.dumb_create = nouveau_display_dumb_create,
665 	.dumb_map_offset = nouveau_display_dumb_map_offset,
666 	.dumb_destroy = nouveau_display_dumb_destroy,
667 
668 	.name = DRIVER_NAME,
669 	.desc = DRIVER_DESC,
670 #ifdef GIT_REVISION
671 	.date = GIT_REVISION,
672 #else
673 	.date = DRIVER_DATE,
674 #endif
675 	.major = DRIVER_MAJOR,
676 	.minor = DRIVER_MINOR,
677 	.patchlevel = DRIVER_PATCHLEVEL,
678 };
679 
680 static struct pci_device_id
681 nouveau_drm_pci_table[] = {
682 	{
683 		PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
684 		.class = PCI_BASE_CLASS_DISPLAY << 16,
685 		.class_mask  = 0xff << 16,
686 	},
687 	{
688 		PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
689 		.class = PCI_BASE_CLASS_DISPLAY << 16,
690 		.class_mask  = 0xff << 16,
691 	},
692 	{}
693 };
694 
695 static const struct dev_pm_ops nouveau_pm_ops = {
696 	.suspend = nouveau_pmops_suspend,
697 	.resume = nouveau_pmops_resume,
698 	.freeze = nouveau_pmops_freeze,
699 	.thaw = nouveau_pmops_thaw,
700 	.poweroff = nouveau_pmops_freeze,
701 	.restore = nouveau_pmops_resume,
702 };
703 
704 static struct pci_driver
705 nouveau_drm_pci_driver = {
706 	.name = "nouveau",
707 	.id_table = nouveau_drm_pci_table,
708 	.probe = nouveau_drm_probe,
709 	.remove = nouveau_drm_remove,
710 	.driver.pm = &nouveau_pm_ops,
711 };
712 
713 static int __init
714 nouveau_drm_init(void)
715 {
716 	driver.num_ioctls = ARRAY_SIZE(nouveau_ioctls);
717 
718 	if (nouveau_modeset == -1) {
719 #ifdef CONFIG_VGA_CONSOLE
720 		if (vgacon_text_force())
721 			nouveau_modeset = 0;
722 #endif
723 	}
724 
725 	if (!nouveau_modeset)
726 		return 0;
727 
728 	nouveau_register_dsm_handler();
729 	return drm_pci_init(&driver, &nouveau_drm_pci_driver);
730 }
731 
732 static void __exit
733 nouveau_drm_exit(void)
734 {
735 	if (!nouveau_modeset)
736 		return;
737 
738 	drm_pci_exit(&driver, &nouveau_drm_pci_driver);
739 	nouveau_unregister_dsm_handler();
740 }
741 
742 module_init(nouveau_drm_init);
743 module_exit(nouveau_drm_exit);
744 
745 MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table);
746 MODULE_AUTHOR(DRIVER_AUTHOR);
747 MODULE_DESCRIPTION(DRIVER_DESC);
748 MODULE_LICENSE("GPL and additional rights");
749