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 <engine/device.h>
35 #include <engine/disp.h>
36 #include <engine/fifo.h>
37 
38 #include <subdev/vm.h>
39 
40 #include "nouveau_drm.h"
41 #include "nouveau_dma.h"
42 #include "nouveau_ttm.h"
43 #include "nouveau_gem.h"
44 #include "nouveau_agp.h"
45 #include "nouveau_vga.h"
46 #include "nouveau_pm.h"
47 #include "nouveau_acpi.h"
48 #include "nouveau_bios.h"
49 #include "nouveau_ioctl.h"
50 #include "nouveau_abi16.h"
51 #include "nouveau_fbcon.h"
52 #include "nouveau_fence.h"
53 #include "nouveau_debugfs.h"
54 
55 MODULE_PARM_DESC(config, "option string to pass to driver core");
56 static char *nouveau_config;
57 module_param_named(config, nouveau_config, charp, 0400);
58 
59 MODULE_PARM_DESC(debug, "debug string to pass to driver core");
60 static char *nouveau_debug;
61 module_param_named(debug, nouveau_debug, charp, 0400);
62 
63 MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration");
64 static int nouveau_noaccel = 0;
65 module_param_named(noaccel, nouveau_noaccel, int, 0400);
66 
67 MODULE_PARM_DESC(modeset, "enable driver (default: auto, "
68 		          "0 = disabled, 1 = enabled, 2 = headless)");
69 int nouveau_modeset = -1;
70 module_param_named(modeset, nouveau_modeset, int, 0400);
71 
72 static struct drm_driver driver;
73 
74 static int
75 nouveau_drm_vblank_handler(struct nouveau_eventh *event, int head)
76 {
77 	struct nouveau_drm *drm =
78 		container_of(event, struct nouveau_drm, vblank[head]);
79 	drm_handle_vblank(drm->dev, head);
80 	return NVKM_EVENT_KEEP;
81 }
82 
83 static int
84 nouveau_drm_vblank_enable(struct drm_device *dev, int head)
85 {
86 	struct nouveau_drm *drm = nouveau_drm(dev);
87 	struct nouveau_disp *pdisp = nouveau_disp(drm->device);
88 
89 	if (WARN_ON_ONCE(head > ARRAY_SIZE(drm->vblank)))
90 		return -EIO;
91 	WARN_ON_ONCE(drm->vblank[head].func);
92 	drm->vblank[head].func = nouveau_drm_vblank_handler;
93 	nouveau_event_get(pdisp->vblank, head, &drm->vblank[head]);
94 	return 0;
95 }
96 
97 static void
98 nouveau_drm_vblank_disable(struct drm_device *dev, int head)
99 {
100 	struct nouveau_drm *drm = nouveau_drm(dev);
101 	struct nouveau_disp *pdisp = nouveau_disp(drm->device);
102 	if (drm->vblank[head].func)
103 		nouveau_event_put(pdisp->vblank, head, &drm->vblank[head]);
104 	else
105 		WARN_ON_ONCE(1);
106 	drm->vblank[head].func = NULL;
107 }
108 
109 static u64
110 nouveau_name(struct pci_dev *pdev)
111 {
112 	u64 name = (u64)pci_domain_nr(pdev->bus) << 32;
113 	name |= pdev->bus->number << 16;
114 	name |= PCI_SLOT(pdev->devfn) << 8;
115 	return name | PCI_FUNC(pdev->devfn);
116 }
117 
118 static int
119 nouveau_cli_create(struct pci_dev *pdev, const char *name,
120 		   int size, void **pcli)
121 {
122 	struct nouveau_cli *cli;
123 	int ret;
124 
125 	*pcli = NULL;
126 	ret = nouveau_client_create_(name, nouveau_name(pdev), nouveau_config,
127 				     nouveau_debug, size, pcli);
128 	cli = *pcli;
129 	if (ret) {
130 		if (cli)
131 			nouveau_client_destroy(&cli->base);
132 		*pcli = NULL;
133 		return ret;
134 	}
135 
136 	mutex_init(&cli->mutex);
137 	return 0;
138 }
139 
140 static void
141 nouveau_cli_destroy(struct nouveau_cli *cli)
142 {
143 	struct nouveau_object *client = nv_object(cli);
144 	nouveau_vm_ref(NULL, &cli->base.vm, NULL);
145 	nouveau_client_fini(&cli->base, false);
146 	atomic_set(&client->refcount, 1);
147 	nouveau_object_ref(NULL, &client);
148 }
149 
150 static void
151 nouveau_accel_fini(struct nouveau_drm *drm)
152 {
153 	nouveau_gpuobj_ref(NULL, &drm->notify);
154 	nouveau_channel_del(&drm->channel);
155 	nouveau_channel_del(&drm->cechan);
156 	if (drm->fence)
157 		nouveau_fence(drm)->dtor(drm);
158 }
159 
160 static void
161 nouveau_accel_init(struct nouveau_drm *drm)
162 {
163 	struct nouveau_device *device = nv_device(drm->device);
164 	struct nouveau_object *object;
165 	u32 arg0, arg1;
166 	int ret;
167 
168 	if (nouveau_noaccel || !nouveau_fifo(device) /*XXX*/)
169 		return;
170 
171 	/* initialise synchronisation routines */
172 	if      (device->card_type < NV_10) ret = nv04_fence_create(drm);
173 	else if (device->chipset   <  0x17) ret = nv10_fence_create(drm);
174 	else if (device->card_type < NV_50) ret = nv17_fence_create(drm);
175 	else if (device->chipset   <  0x84) ret = nv50_fence_create(drm);
176 	else if (device->card_type < NV_C0) ret = nv84_fence_create(drm);
177 	else                                ret = nvc0_fence_create(drm);
178 	if (ret) {
179 		NV_ERROR(drm, "failed to initialise sync subsystem, %d\n", ret);
180 		nouveau_accel_fini(drm);
181 		return;
182 	}
183 
184 	if (device->card_type >= NV_E0) {
185 		ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE,
186 					  NVDRM_CHAN + 1,
187 					  NVE0_CHANNEL_IND_ENGINE_CE0 |
188 					  NVE0_CHANNEL_IND_ENGINE_CE1, 0,
189 					  &drm->cechan);
190 		if (ret)
191 			NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
192 
193 		arg0 = NVE0_CHANNEL_IND_ENGINE_GR;
194 		arg1 = 1;
195 	} else
196 	if (device->chipset >= 0xa3 &&
197 	    device->chipset != 0xaa &&
198 	    device->chipset != 0xac) {
199 		ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE,
200 					  NVDRM_CHAN + 1, NvDmaFB, NvDmaTT,
201 					  &drm->cechan);
202 		if (ret)
203 			NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
204 
205 		arg0 = NvDmaFB;
206 		arg1 = NvDmaTT;
207 	} else {
208 		arg0 = NvDmaFB;
209 		arg1 = NvDmaTT;
210 	}
211 
212 	ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE, NVDRM_CHAN,
213 				  arg0, arg1, &drm->channel);
214 	if (ret) {
215 		NV_ERROR(drm, "failed to create kernel channel, %d\n", ret);
216 		nouveau_accel_fini(drm);
217 		return;
218 	}
219 
220 	if (device->card_type < NV_C0) {
221 		ret = nouveau_gpuobj_new(drm->device, NULL, 32, 0, 0,
222 					&drm->notify);
223 		if (ret) {
224 			NV_ERROR(drm, "failed to allocate notifier, %d\n", ret);
225 			nouveau_accel_fini(drm);
226 			return;
227 		}
228 
229 		ret = nouveau_object_new(nv_object(drm),
230 					 drm->channel->handle, NvNotify0,
231 					 0x003d, &(struct nv_dma_class) {
232 						.flags = NV_DMA_TARGET_VRAM |
233 							 NV_DMA_ACCESS_RDWR,
234 						.start = drm->notify->addr,
235 						.limit = drm->notify->addr + 31
236 						}, sizeof(struct nv_dma_class),
237 					 &object);
238 		if (ret) {
239 			nouveau_accel_fini(drm);
240 			return;
241 		}
242 	}
243 
244 
245 	nouveau_bo_move_init(drm);
246 }
247 
248 static int nouveau_drm_probe(struct pci_dev *pdev,
249 			     const struct pci_device_id *pent)
250 {
251 	struct nouveau_device *device;
252 	struct apertures_struct *aper;
253 	bool boot = false;
254 	int ret;
255 
256 	/* remove conflicting drivers (vesafb, efifb etc) */
257 	aper = alloc_apertures(3);
258 	if (!aper)
259 		return -ENOMEM;
260 
261 	aper->ranges[0].base = pci_resource_start(pdev, 1);
262 	aper->ranges[0].size = pci_resource_len(pdev, 1);
263 	aper->count = 1;
264 
265 	if (pci_resource_len(pdev, 2)) {
266 		aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
267 		aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
268 		aper->count++;
269 	}
270 
271 	if (pci_resource_len(pdev, 3)) {
272 		aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
273 		aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
274 		aper->count++;
275 	}
276 
277 #ifdef CONFIG_X86
278 	boot = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
279 #endif
280 	remove_conflicting_framebuffers(aper, "nouveaufb", boot);
281 	kfree(aper);
282 
283 	ret = nouveau_device_create(pdev, nouveau_name(pdev), pci_name(pdev),
284 				    nouveau_config, nouveau_debug, &device);
285 	if (ret)
286 		return ret;
287 
288 	pci_set_master(pdev);
289 
290 	ret = drm_get_pci_dev(pdev, pent, &driver);
291 	if (ret) {
292 		nouveau_object_ref(NULL, (struct nouveau_object **)&device);
293 		return ret;
294 	}
295 
296 	return 0;
297 }
298 
299 static int
300 nouveau_drm_load(struct drm_device *dev, unsigned long flags)
301 {
302 	struct pci_dev *pdev = dev->pdev;
303 	struct nouveau_device *device;
304 	struct nouveau_drm *drm;
305 	int ret;
306 
307 	ret = nouveau_cli_create(pdev, "DRM", sizeof(*drm), (void**)&drm);
308 	if (ret)
309 		return ret;
310 
311 	dev->dev_private = drm;
312 	drm->dev = dev;
313 
314 	INIT_LIST_HEAD(&drm->clients);
315 	spin_lock_init(&drm->tile.lock);
316 
317 	/* make sure AGP controller is in a consistent state before we
318 	 * (possibly) execute vbios init tables (see nouveau_agp.h)
319 	 */
320 	if (drm_pci_device_is_agp(dev) && dev->agp) {
321 		/* dummy device object, doesn't init anything, but allows
322 		 * agp code access to registers
323 		 */
324 		ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT,
325 					 NVDRM_DEVICE, 0x0080,
326 					 &(struct nv_device_class) {
327 						.device = ~0,
328 						.disable =
329 						 ~(NV_DEVICE_DISABLE_MMIO |
330 						   NV_DEVICE_DISABLE_IDENTIFY),
331 						.debug0 = ~0,
332 					 }, sizeof(struct nv_device_class),
333 					 &drm->device);
334 		if (ret)
335 			goto fail_device;
336 
337 		nouveau_agp_reset(drm);
338 		nouveau_object_del(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE);
339 	}
340 
341 	ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE,
342 				 0x0080, &(struct nv_device_class) {
343 					.device = ~0,
344 					.disable = 0,
345 					.debug0 = 0,
346 				 }, sizeof(struct nv_device_class),
347 				 &drm->device);
348 	if (ret)
349 		goto fail_device;
350 
351 	/* workaround an odd issue on nvc1 by disabling the device's
352 	 * nosnoop capability.  hopefully won't cause issues until a
353 	 * better fix is found - assuming there is one...
354 	 */
355 	device = nv_device(drm->device);
356 	if (nv_device(drm->device)->chipset == 0xc1)
357 		nv_mask(device, 0x00088080, 0x00000800, 0x00000000);
358 
359 	nouveau_vga_init(drm);
360 	nouveau_agp_init(drm);
361 
362 	if (device->card_type >= NV_50) {
363 		ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40),
364 				     0x1000, &drm->client.base.vm);
365 		if (ret)
366 			goto fail_device;
367 	}
368 
369 	ret = nouveau_ttm_init(drm);
370 	if (ret)
371 		goto fail_ttm;
372 
373 	ret = nouveau_bios_init(dev);
374 	if (ret)
375 		goto fail_bios;
376 
377 	ret = nouveau_display_create(dev);
378 	if (ret)
379 		goto fail_dispctor;
380 
381 	if (dev->mode_config.num_crtc) {
382 		ret = nouveau_display_init(dev);
383 		if (ret)
384 			goto fail_dispinit;
385 	}
386 
387 	nouveau_pm_init(dev);
388 
389 	nouveau_accel_init(drm);
390 	nouveau_fbcon_init(dev);
391 	return 0;
392 
393 fail_dispinit:
394 	nouveau_display_destroy(dev);
395 fail_dispctor:
396 	nouveau_bios_takedown(dev);
397 fail_bios:
398 	nouveau_ttm_fini(drm);
399 fail_ttm:
400 	nouveau_agp_fini(drm);
401 	nouveau_vga_fini(drm);
402 fail_device:
403 	nouveau_cli_destroy(&drm->client);
404 	return ret;
405 }
406 
407 static int
408 nouveau_drm_unload(struct drm_device *dev)
409 {
410 	struct nouveau_drm *drm = nouveau_drm(dev);
411 
412 	nouveau_fbcon_fini(dev);
413 	nouveau_accel_fini(drm);
414 
415 	nouveau_pm_fini(dev);
416 
417 	if (dev->mode_config.num_crtc)
418 		nouveau_display_fini(dev);
419 	nouveau_display_destroy(dev);
420 
421 	nouveau_bios_takedown(dev);
422 
423 	nouveau_ttm_fini(drm);
424 	nouveau_agp_fini(drm);
425 	nouveau_vga_fini(drm);
426 
427 	nouveau_cli_destroy(&drm->client);
428 	return 0;
429 }
430 
431 static void
432 nouveau_drm_remove(struct pci_dev *pdev)
433 {
434 	struct drm_device *dev = pci_get_drvdata(pdev);
435 	struct nouveau_drm *drm = nouveau_drm(dev);
436 	struct nouveau_object *device;
437 
438 	device = drm->client.base.device;
439 	drm_put_dev(dev);
440 
441 	nouveau_object_ref(NULL, &device);
442 	nouveau_object_debug();
443 }
444 
445 static int
446 nouveau_do_suspend(struct drm_device *dev)
447 {
448 	struct nouveau_drm *drm = nouveau_drm(dev);
449 	struct nouveau_cli *cli;
450 	int ret;
451 
452 	if (dev->mode_config.num_crtc) {
453 		NV_INFO(drm, "suspending fbcon...\n");
454 		nouveau_fbcon_set_suspend(dev, 1);
455 
456 		NV_INFO(drm, "suspending display...\n");
457 		ret = nouveau_display_suspend(dev);
458 		if (ret)
459 			return ret;
460 	}
461 
462 	NV_INFO(drm, "evicting buffers...\n");
463 	ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM);
464 
465 	NV_INFO(drm, "waiting for kernel channels to go idle...\n");
466 	if (drm->cechan) {
467 		ret = nouveau_channel_idle(drm->cechan);
468 		if (ret)
469 			return ret;
470 	}
471 
472 	if (drm->channel) {
473 		ret = nouveau_channel_idle(drm->channel);
474 		if (ret)
475 			return ret;
476 	}
477 
478 	NV_INFO(drm, "suspending client object trees...\n");
479 	if (drm->fence && nouveau_fence(drm)->suspend) {
480 		if (!nouveau_fence(drm)->suspend(drm))
481 			return -ENOMEM;
482 	}
483 
484 	list_for_each_entry(cli, &drm->clients, head) {
485 		ret = nouveau_client_fini(&cli->base, true);
486 		if (ret)
487 			goto fail_client;
488 	}
489 
490 	NV_INFO(drm, "suspending kernel object tree...\n");
491 	ret = nouveau_client_fini(&drm->client.base, true);
492 	if (ret)
493 		goto fail_client;
494 
495 	nouveau_agp_fini(drm);
496 	return 0;
497 
498 fail_client:
499 	list_for_each_entry_continue_reverse(cli, &drm->clients, head) {
500 		nouveau_client_init(&cli->base);
501 	}
502 
503 	if (dev->mode_config.num_crtc) {
504 		NV_INFO(drm, "resuming display...\n");
505 		nouveau_display_resume(dev);
506 	}
507 	return ret;
508 }
509 
510 int nouveau_pmops_suspend(struct device *dev)
511 {
512 	struct pci_dev *pdev = to_pci_dev(dev);
513 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
514 	int ret;
515 
516 	if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF)
517 		return 0;
518 
519 	ret = nouveau_do_suspend(drm_dev);
520 	if (ret)
521 		return ret;
522 
523 	pci_save_state(pdev);
524 	pci_disable_device(pdev);
525 	pci_set_power_state(pdev, PCI_D3hot);
526 
527 	return 0;
528 }
529 
530 static int
531 nouveau_do_resume(struct drm_device *dev)
532 {
533 	struct nouveau_drm *drm = nouveau_drm(dev);
534 	struct nouveau_cli *cli;
535 
536 	NV_INFO(drm, "re-enabling device...\n");
537 
538 	nouveau_agp_reset(drm);
539 
540 	NV_INFO(drm, "resuming kernel object tree...\n");
541 	nouveau_client_init(&drm->client.base);
542 	nouveau_agp_init(drm);
543 
544 	NV_INFO(drm, "resuming client object trees...\n");
545 	if (drm->fence && nouveau_fence(drm)->resume)
546 		nouveau_fence(drm)->resume(drm);
547 
548 	list_for_each_entry(cli, &drm->clients, head) {
549 		nouveau_client_init(&cli->base);
550 	}
551 
552 	nouveau_run_vbios_init(dev);
553 	nouveau_pm_resume(dev);
554 
555 	if (dev->mode_config.num_crtc) {
556 		NV_INFO(drm, "resuming display...\n");
557 		nouveau_display_resume(dev);
558 	}
559 	return 0;
560 }
561 
562 int nouveau_pmops_resume(struct device *dev)
563 {
564 	struct pci_dev *pdev = to_pci_dev(dev);
565 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
566 	int ret;
567 
568 	if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF)
569 		return 0;
570 
571 	pci_set_power_state(pdev, PCI_D0);
572 	pci_restore_state(pdev);
573 	ret = pci_enable_device(pdev);
574 	if (ret)
575 		return ret;
576 	pci_set_master(pdev);
577 
578 	return nouveau_do_resume(drm_dev);
579 }
580 
581 static int nouveau_pmops_freeze(struct device *dev)
582 {
583 	struct pci_dev *pdev = to_pci_dev(dev);
584 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
585 
586 	return nouveau_do_suspend(drm_dev);
587 }
588 
589 static int nouveau_pmops_thaw(struct device *dev)
590 {
591 	struct pci_dev *pdev = to_pci_dev(dev);
592 	struct drm_device *drm_dev = pci_get_drvdata(pdev);
593 
594 	return nouveau_do_resume(drm_dev);
595 }
596 
597 
598 static int
599 nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
600 {
601 	struct pci_dev *pdev = dev->pdev;
602 	struct nouveau_drm *drm = nouveau_drm(dev);
603 	struct nouveau_cli *cli;
604 	char name[32], tmpname[TASK_COMM_LEN];
605 	int ret;
606 
607 	get_task_comm(tmpname, current);
608 	snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
609 
610 	ret = nouveau_cli_create(pdev, name, sizeof(*cli), (void **)&cli);
611 	if (ret)
612 		return ret;
613 
614 	if (nv_device(drm->device)->card_type >= NV_50) {
615 		ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40),
616 				     0x1000, &cli->base.vm);
617 		if (ret) {
618 			nouveau_cli_destroy(cli);
619 			return ret;
620 		}
621 	}
622 
623 	fpriv->driver_priv = cli;
624 
625 	mutex_lock(&drm->client.mutex);
626 	list_add(&cli->head, &drm->clients);
627 	mutex_unlock(&drm->client.mutex);
628 	return 0;
629 }
630 
631 static void
632 nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv)
633 {
634 	struct nouveau_cli *cli = nouveau_cli(fpriv);
635 	struct nouveau_drm *drm = nouveau_drm(dev);
636 
637 	if (cli->abi16)
638 		nouveau_abi16_fini(cli->abi16);
639 
640 	mutex_lock(&drm->client.mutex);
641 	list_del(&cli->head);
642 	mutex_unlock(&drm->client.mutex);
643 }
644 
645 static void
646 nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv)
647 {
648 	struct nouveau_cli *cli = nouveau_cli(fpriv);
649 	nouveau_cli_destroy(cli);
650 }
651 
652 static struct drm_ioctl_desc
653 nouveau_ioctls[] = {
654 	DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_UNLOCKED|DRM_AUTH),
655 	DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_UNLOCKED|DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
656 	DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_UNLOCKED|DRM_AUTH),
657 	DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_UNLOCKED|DRM_AUTH),
658 	DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_UNLOCKED|DRM_AUTH),
659 	DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_UNLOCKED|DRM_AUTH),
660 	DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_UNLOCKED|DRM_AUTH),
661 	DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_UNLOCKED|DRM_AUTH),
662 	DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_UNLOCKED|DRM_AUTH),
663 	DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_UNLOCKED|DRM_AUTH),
664 	DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_UNLOCKED|DRM_AUTH),
665 	DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_UNLOCKED|DRM_AUTH),
666 };
667 
668 static const struct file_operations
669 nouveau_driver_fops = {
670 	.owner = THIS_MODULE,
671 	.open = drm_open,
672 	.release = drm_release,
673 	.unlocked_ioctl = drm_ioctl,
674 	.mmap = nouveau_ttm_mmap,
675 	.poll = drm_poll,
676 	.fasync = drm_fasync,
677 	.read = drm_read,
678 #if defined(CONFIG_COMPAT)
679 	.compat_ioctl = nouveau_compat_ioctl,
680 #endif
681 	.llseek = noop_llseek,
682 };
683 
684 static struct drm_driver
685 driver = {
686 	.driver_features =
687 		DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_SG |
688 		DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME,
689 
690 	.load = nouveau_drm_load,
691 	.unload = nouveau_drm_unload,
692 	.open = nouveau_drm_open,
693 	.preclose = nouveau_drm_preclose,
694 	.postclose = nouveau_drm_postclose,
695 	.lastclose = nouveau_vga_lastclose,
696 
697 #if defined(CONFIG_DEBUG_FS)
698 	.debugfs_init = nouveau_debugfs_init,
699 	.debugfs_cleanup = nouveau_debugfs_takedown,
700 #endif
701 
702 	.get_vblank_counter = drm_vblank_count,
703 	.enable_vblank = nouveau_drm_vblank_enable,
704 	.disable_vblank = nouveau_drm_vblank_disable,
705 
706 	.ioctls = nouveau_ioctls,
707 	.fops = &nouveau_driver_fops,
708 
709 	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
710 	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
711 	.gem_prime_export = drm_gem_prime_export,
712 	.gem_prime_import = drm_gem_prime_import,
713 	.gem_prime_pin = nouveau_gem_prime_pin,
714 	.gem_prime_unpin = nouveau_gem_prime_unpin,
715 	.gem_prime_get_sg_table = nouveau_gem_prime_get_sg_table,
716 	.gem_prime_import_sg_table = nouveau_gem_prime_import_sg_table,
717 	.gem_prime_vmap = nouveau_gem_prime_vmap,
718 	.gem_prime_vunmap = nouveau_gem_prime_vunmap,
719 
720 	.gem_init_object = nouveau_gem_object_new,
721 	.gem_free_object = nouveau_gem_object_del,
722 	.gem_open_object = nouveau_gem_object_open,
723 	.gem_close_object = nouveau_gem_object_close,
724 
725 	.dumb_create = nouveau_display_dumb_create,
726 	.dumb_map_offset = nouveau_display_dumb_map_offset,
727 	.dumb_destroy = nouveau_display_dumb_destroy,
728 
729 	.name = DRIVER_NAME,
730 	.desc = DRIVER_DESC,
731 #ifdef GIT_REVISION
732 	.date = GIT_REVISION,
733 #else
734 	.date = DRIVER_DATE,
735 #endif
736 	.major = DRIVER_MAJOR,
737 	.minor = DRIVER_MINOR,
738 	.patchlevel = DRIVER_PATCHLEVEL,
739 };
740 
741 static struct pci_device_id
742 nouveau_drm_pci_table[] = {
743 	{
744 		PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
745 		.class = PCI_BASE_CLASS_DISPLAY << 16,
746 		.class_mask  = 0xff << 16,
747 	},
748 	{
749 		PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
750 		.class = PCI_BASE_CLASS_DISPLAY << 16,
751 		.class_mask  = 0xff << 16,
752 	},
753 	{}
754 };
755 
756 static const struct dev_pm_ops nouveau_pm_ops = {
757 	.suspend = nouveau_pmops_suspend,
758 	.resume = nouveau_pmops_resume,
759 	.freeze = nouveau_pmops_freeze,
760 	.thaw = nouveau_pmops_thaw,
761 	.poweroff = nouveau_pmops_freeze,
762 	.restore = nouveau_pmops_resume,
763 };
764 
765 static struct pci_driver
766 nouveau_drm_pci_driver = {
767 	.name = "nouveau",
768 	.id_table = nouveau_drm_pci_table,
769 	.probe = nouveau_drm_probe,
770 	.remove = nouveau_drm_remove,
771 	.driver.pm = &nouveau_pm_ops,
772 };
773 
774 static int __init
775 nouveau_drm_init(void)
776 {
777 	driver.num_ioctls = ARRAY_SIZE(nouveau_ioctls);
778 
779 	if (nouveau_modeset == -1) {
780 #ifdef CONFIG_VGA_CONSOLE
781 		if (vgacon_text_force())
782 			nouveau_modeset = 0;
783 #endif
784 	}
785 
786 	if (!nouveau_modeset)
787 		return 0;
788 
789 	nouveau_register_dsm_handler();
790 	return drm_pci_init(&driver, &nouveau_drm_pci_driver);
791 }
792 
793 static void __exit
794 nouveau_drm_exit(void)
795 {
796 	if (!nouveau_modeset)
797 		return;
798 
799 	drm_pci_exit(&driver, &nouveau_drm_pci_driver);
800 	nouveau_unregister_dsm_handler();
801 }
802 
803 module_init(nouveau_drm_init);
804 module_exit(nouveau_drm_exit);
805 
806 MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table);
807 MODULE_AUTHOR(DRIVER_AUTHOR);
808 MODULE_DESCRIPTION(DRIVER_DESC);
809 MODULE_LICENSE("GPL and additional rights");
810