1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25#include <linux/console.h>
26#include <linux/delay.h>
27#include <linux/module.h>
28#include <linux/pci.h>
29#include <linux/pm_runtime.h>
30#include <linux/vga_switcheroo.h>
31
32#include "drmP.h"
33#include "drm_crtc_helper.h"
34
35#include <core/gpuobj.h>
36#include <core/option.h>
37#include <core/pci.h>
38#include <core/tegra.h>
39
40#include <nvif/class.h>
41#include <nvif/cl0002.h>
42#include <nvif/cla06f.h>
43#include <nvif/if0004.h>
44
45#include "nouveau_drv.h"
46#include "nouveau_dma.h"
47#include "nouveau_ttm.h"
48#include "nouveau_gem.h"
49#include "nouveau_vga.h"
50#include "nouveau_led.h"
51#include "nouveau_hwmon.h"
52#include "nouveau_acpi.h"
53#include "nouveau_bios.h"
54#include "nouveau_ioctl.h"
55#include "nouveau_abi16.h"
56#include "nouveau_fbcon.h"
57#include "nouveau_fence.h"
58#include "nouveau_debugfs.h"
59#include "nouveau_usif.h"
60#include "nouveau_connector.h"
61#include "nouveau_platform.h"
62
63MODULE_PARM_DESC(config, "option string to pass to driver core");
64static char *nouveau_config;
65module_param_named(config, nouveau_config, charp, 0400);
66
67MODULE_PARM_DESC(debug, "debug string to pass to driver core");
68static char *nouveau_debug;
69module_param_named(debug, nouveau_debug, charp, 0400);
70
71MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration");
72static int nouveau_noaccel = 0;
73module_param_named(noaccel, nouveau_noaccel, int, 0400);
74
75MODULE_PARM_DESC(modeset, "enable driver (default: auto, "
76 "0 = disabled, 1 = enabled, 2 = headless)");
77int nouveau_modeset = -1;
78module_param_named(modeset, nouveau_modeset, int, 0400);
79
80MODULE_PARM_DESC(runpm, "disable (0), force enable (1), optimus only default (-1)");
81static int nouveau_runtime_pm = -1;
82module_param_named(runpm, nouveau_runtime_pm, int, 0400);
83
84static struct drm_driver driver_stub;
85static struct drm_driver driver_pci;
86static struct drm_driver driver_platform;
87
88static u64
89nouveau_pci_name(struct pci_dev *pdev)
90{
91 u64 name = (u64)pci_domain_nr(pdev->bus) << 32;
92 name |= pdev->bus->number << 16;
93 name |= PCI_SLOT(pdev->devfn) << 8;
94 return name | PCI_FUNC(pdev->devfn);
95}
96
97static u64
98nouveau_platform_name(struct platform_device *platformdev)
99{
100 return platformdev->id;
101}
102
103static u64
104nouveau_name(struct drm_device *dev)
105{
106 if (dev->pdev)
107 return nouveau_pci_name(dev->pdev);
108 else
109 return nouveau_platform_name(dev->platformdev);
110}
111
112static int
113nouveau_cli_create(struct drm_device *dev, const char *sname,
114 int size, void **pcli)
115{
116 struct nouveau_cli *cli = *pcli = kzalloc(size, GFP_KERNEL);
117 int ret;
118 if (cli) {
119 snprintf(cli->name, sizeof(cli->name), "%s", sname);
120 cli->dev = dev;
121
122 ret = nvif_client_init(NULL, cli->name, nouveau_name(dev),
123 nouveau_config, nouveau_debug,
124 &cli->base);
125 if (ret == 0) {
126 mutex_init(&cli->mutex);
127 usif_client_init(cli);
128 }
129 return ret;
130 }
131 return -ENOMEM;
132}
133
134static void
135nouveau_cli_destroy(struct nouveau_cli *cli)
136{
137 nvkm_vm_ref(NULL, &nvxx_client(&cli->base)->vm, NULL);
138 nvif_client_fini(&cli->base);
139 usif_client_fini(cli);
140 kfree(cli);
141}
142
143static void
144nouveau_accel_fini(struct nouveau_drm *drm)
145{
146 nouveau_channel_idle(drm->channel);
147 nvif_object_fini(&drm->ntfy);
148 nvkm_gpuobj_del(&drm->notify);
149 nvif_notify_fini(&drm->flip);
150 nvif_object_fini(&drm->nvsw);
151 nouveau_channel_del(&drm->channel);
152
153 nouveau_channel_idle(drm->cechan);
154 nvif_object_fini(&drm->ttm.copy);
155 nouveau_channel_del(&drm->cechan);
156
157 if (drm->fence)
158 nouveau_fence(drm)->dtor(drm);
159}
160
161static void
162nouveau_accel_init(struct nouveau_drm *drm)
163{
164 struct nvif_device *device = &drm->device;
165 struct nvif_sclass *sclass;
166 u32 arg0, arg1;
167 int ret, i, n;
168
169 if (nouveau_noaccel)
170 return;
171
172
173
174
175
176 ret = n = nvif_object_sclass_get(&device->object, &sclass);
177 if (ret < 0)
178 return;
179
180 for (ret = -ENOSYS, i = 0; i < n; i++) {
181 switch (sclass[i].oclass) {
182 case NV03_CHANNEL_DMA:
183 ret = nv04_fence_create(drm);
184 break;
185 case NV10_CHANNEL_DMA:
186 ret = nv10_fence_create(drm);
187 break;
188 case NV17_CHANNEL_DMA:
189 case NV40_CHANNEL_DMA:
190 ret = nv17_fence_create(drm);
191 break;
192 case NV50_CHANNEL_GPFIFO:
193 ret = nv50_fence_create(drm);
194 break;
195 case G82_CHANNEL_GPFIFO:
196 ret = nv84_fence_create(drm);
197 break;
198 case FERMI_CHANNEL_GPFIFO:
199 case KEPLER_CHANNEL_GPFIFO_A:
200 case KEPLER_CHANNEL_GPFIFO_B:
201 case MAXWELL_CHANNEL_GPFIFO_A:
202 case PASCAL_CHANNEL_GPFIFO_A:
203 ret = nvc0_fence_create(drm);
204 break;
205 default:
206 break;
207 }
208 }
209
210 nvif_object_sclass_put(&sclass);
211 if (ret) {
212 NV_ERROR(drm, "failed to initialise sync subsystem, %d\n", ret);
213 nouveau_accel_fini(drm);
214 return;
215 }
216
217 if (device->info.family >= NV_DEVICE_INFO_V0_KEPLER) {
218 ret = nouveau_channel_new(drm, &drm->device,
219 NVA06F_V0_ENGINE_CE0 |
220 NVA06F_V0_ENGINE_CE1,
221 0, &drm->cechan);
222 if (ret)
223 NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
224
225 arg0 = NVA06F_V0_ENGINE_GR;
226 arg1 = 1;
227 } else
228 if (device->info.chipset >= 0xa3 &&
229 device->info.chipset != 0xaa &&
230 device->info.chipset != 0xac) {
231 ret = nouveau_channel_new(drm, &drm->device,
232 NvDmaFB, NvDmaTT, &drm->cechan);
233 if (ret)
234 NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
235
236 arg0 = NvDmaFB;
237 arg1 = NvDmaTT;
238 } else {
239 arg0 = NvDmaFB;
240 arg1 = NvDmaTT;
241 }
242
243 ret = nouveau_channel_new(drm, &drm->device, arg0, arg1, &drm->channel);
244 if (ret) {
245 NV_ERROR(drm, "failed to create kernel channel, %d\n", ret);
246 nouveau_accel_fini(drm);
247 return;
248 }
249
250 ret = nvif_object_init(&drm->channel->user, NVDRM_NVSW,
251 nouveau_abi16_swclass(drm), NULL, 0, &drm->nvsw);
252 if (ret == 0) {
253 ret = RING_SPACE(drm->channel, 2);
254 if (ret == 0) {
255 if (device->info.family < NV_DEVICE_INFO_V0_FERMI) {
256 BEGIN_NV04(drm->channel, NvSubSw, 0, 1);
257 OUT_RING (drm->channel, NVDRM_NVSW);
258 } else
259 if (device->info.family < NV_DEVICE_INFO_V0_KEPLER) {
260 BEGIN_NVC0(drm->channel, FermiSw, 0, 1);
261 OUT_RING (drm->channel, 0x001f0000);
262 }
263 }
264
265 ret = nvif_notify_init(&drm->nvsw, nouveau_flip_complete,
266 false, NV04_NVSW_NTFY_UEVENT,
267 NULL, 0, 0, &drm->flip);
268 if (ret == 0)
269 ret = nvif_notify_get(&drm->flip);
270 if (ret) {
271 nouveau_accel_fini(drm);
272 return;
273 }
274 }
275
276 if (ret) {
277 NV_ERROR(drm, "failed to allocate software object, %d\n", ret);
278 nouveau_accel_fini(drm);
279 return;
280 }
281
282 if (device->info.family < NV_DEVICE_INFO_V0_FERMI) {
283 ret = nvkm_gpuobj_new(nvxx_device(&drm->device), 32, 0, false,
284 NULL, &drm->notify);
285 if (ret) {
286 NV_ERROR(drm, "failed to allocate notifier, %d\n", ret);
287 nouveau_accel_fini(drm);
288 return;
289 }
290
291 ret = nvif_object_init(&drm->channel->user, NvNotify0,
292 NV_DMA_IN_MEMORY,
293 &(struct nv_dma_v0) {
294 .target = NV_DMA_V0_TARGET_VRAM,
295 .access = NV_DMA_V0_ACCESS_RDWR,
296 .start = drm->notify->addr,
297 .limit = drm->notify->addr + 31
298 }, sizeof(struct nv_dma_v0),
299 &drm->ntfy);
300 if (ret) {
301 nouveau_accel_fini(drm);
302 return;
303 }
304 }
305
306
307 nouveau_bo_move_init(drm);
308}
309
310static int nouveau_drm_probe(struct pci_dev *pdev,
311 const struct pci_device_id *pent)
312{
313 struct nvkm_device *device;
314 struct apertures_struct *aper;
315 bool boot = false;
316 int ret;
317
318 if (vga_switcheroo_client_probe_defer(pdev))
319 return -EPROBE_DEFER;
320
321
322
323
324 ret = nvkm_device_pci_new(pdev, NULL, "error", true, false, 0, &device);
325 if (ret)
326 return ret;
327
328 nvkm_device_del(&device);
329
330
331 aper = alloc_apertures(3);
332 if (!aper)
333 return -ENOMEM;
334
335 aper->ranges[0].base = pci_resource_start(pdev, 1);
336 aper->ranges[0].size = pci_resource_len(pdev, 1);
337 aper->count = 1;
338
339 if (pci_resource_len(pdev, 2)) {
340 aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
341 aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
342 aper->count++;
343 }
344
345 if (pci_resource_len(pdev, 3)) {
346 aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
347 aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
348 aper->count++;
349 }
350
351#ifdef CONFIG_X86
352 boot = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
353#endif
354 if (nouveau_modeset != 2)
355 drm_fb_helper_remove_conflicting_framebuffers(aper, "nouveaufb", boot);
356 kfree(aper);
357
358 ret = nvkm_device_pci_new(pdev, nouveau_config, nouveau_debug,
359 true, true, ~0ULL, &device);
360 if (ret)
361 return ret;
362
363 pci_set_master(pdev);
364
365 ret = drm_get_pci_dev(pdev, pent, &driver_pci);
366 if (ret) {
367 nvkm_device_del(&device);
368 return ret;
369 }
370
371 return 0;
372}
373
374#define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403
375
376static void
377nouveau_get_hdmi_dev(struct nouveau_drm *drm)
378{
379 struct pci_dev *pdev = drm->dev->pdev;
380
381 if (!pdev) {
382 NV_DEBUG(drm, "not a PCI device; no HDMI\n");
383 drm->hdmi_device = NULL;
384 return;
385 }
386
387
388 drm->hdmi_device = pci_get_bus_and_slot((unsigned int)pdev->bus->number,
389 PCI_DEVFN(PCI_SLOT(pdev->devfn), 1));
390
391 if (!drm->hdmi_device) {
392 NV_DEBUG(drm, "hdmi device not found %d %d %d\n", pdev->bus->number, PCI_SLOT(pdev->devfn), 1);
393 return;
394 }
395
396 if ((drm->hdmi_device->class >> 8) != PCI_CLASS_MULTIMEDIA_HD_AUDIO) {
397 NV_DEBUG(drm, "possible hdmi device not audio %d\n", drm->hdmi_device->class);
398 pci_dev_put(drm->hdmi_device);
399 drm->hdmi_device = NULL;
400 return;
401 }
402}
403
404static int
405nouveau_drm_load(struct drm_device *dev, unsigned long flags)
406{
407 struct nouveau_drm *drm;
408 int ret;
409
410 ret = nouveau_cli_create(dev, "DRM", sizeof(*drm), (void **)&drm);
411 if (ret)
412 return ret;
413
414 dev->dev_private = drm;
415 drm->dev = dev;
416 nvxx_client(&drm->client.base)->debug =
417 nvkm_dbgopt(nouveau_debug, "DRM");
418
419 INIT_LIST_HEAD(&drm->clients);
420 spin_lock_init(&drm->tile.lock);
421
422 nouveau_get_hdmi_dev(drm);
423
424 ret = nvif_device_init(&drm->client.base.object, 0, NV_DEVICE,
425 &(struct nv_device_v0) {
426 .device = ~0,
427 }, sizeof(struct nv_device_v0),
428 &drm->device);
429 if (ret)
430 goto fail_device;
431
432 dev->irq_enabled = true;
433
434
435
436
437
438 if (drm->device.info.chipset == 0xc1)
439 nvif_mask(&drm->device.object, 0x00088080, 0x00000800, 0x00000000);
440
441 nouveau_vga_init(drm);
442
443 if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
444 if (!nvxx_device(&drm->device)->mmu) {
445 ret = -ENOSYS;
446 goto fail_device;
447 }
448
449 ret = nvkm_vm_new(nvxx_device(&drm->device), 0, (1ULL << 40),
450 0x1000, NULL, &drm->client.vm);
451 if (ret)
452 goto fail_device;
453
454 nvxx_client(&drm->client.base)->vm = drm->client.vm;
455 }
456
457 ret = nouveau_ttm_init(drm);
458 if (ret)
459 goto fail_ttm;
460
461 ret = nouveau_bios_init(dev);
462 if (ret)
463 goto fail_bios;
464
465 ret = nouveau_display_create(dev);
466 if (ret)
467 goto fail_dispctor;
468
469 if (dev->mode_config.num_crtc) {
470 ret = nouveau_display_init(dev);
471 if (ret)
472 goto fail_dispinit;
473 }
474
475 nouveau_debugfs_init(drm);
476 nouveau_hwmon_init(dev);
477 nouveau_accel_init(drm);
478 nouveau_fbcon_init(dev);
479 nouveau_led_init(dev);
480
481 if (nouveau_pmops_runtime()) {
482 pm_runtime_use_autosuspend(dev->dev);
483 pm_runtime_set_autosuspend_delay(dev->dev, 5000);
484 pm_runtime_set_active(dev->dev);
485 pm_runtime_allow(dev->dev);
486 pm_runtime_mark_last_busy(dev->dev);
487 pm_runtime_put(dev->dev);
488 }
489 return 0;
490
491fail_dispinit:
492 nouveau_display_destroy(dev);
493fail_dispctor:
494 nouveau_bios_takedown(dev);
495fail_bios:
496 nouveau_ttm_fini(drm);
497fail_ttm:
498 nouveau_vga_fini(drm);
499fail_device:
500 nvif_device_fini(&drm->device);
501 nouveau_cli_destroy(&drm->client);
502 return ret;
503}
504
505static int
506nouveau_drm_unload(struct drm_device *dev)
507{
508 struct nouveau_drm *drm = nouveau_drm(dev);
509
510 if (nouveau_pmops_runtime()) {
511 pm_runtime_get_sync(dev->dev);
512 pm_runtime_forbid(dev->dev);
513 }
514
515 nouveau_led_fini(dev);
516 nouveau_fbcon_fini(dev);
517 nouveau_accel_fini(drm);
518 nouveau_hwmon_fini(dev);
519 nouveau_debugfs_fini(drm);
520
521 if (dev->mode_config.num_crtc)
522 nouveau_display_fini(dev, false);
523 nouveau_display_destroy(dev);
524
525 nouveau_bios_takedown(dev);
526
527 nouveau_ttm_fini(drm);
528 nouveau_vga_fini(drm);
529
530 nvif_device_fini(&drm->device);
531 if (drm->hdmi_device)
532 pci_dev_put(drm->hdmi_device);
533 nouveau_cli_destroy(&drm->client);
534 return 0;
535}
536
537void
538nouveau_drm_device_remove(struct drm_device *dev)
539{
540 struct nouveau_drm *drm = nouveau_drm(dev);
541 struct nvkm_client *client;
542 struct nvkm_device *device;
543
544 dev->irq_enabled = false;
545 client = nvxx_client(&drm->client.base);
546 device = nvkm_device_find(client->device);
547 drm_put_dev(dev);
548
549 nvkm_device_del(&device);
550}
551
552static void
553nouveau_drm_remove(struct pci_dev *pdev)
554{
555 struct drm_device *dev = pci_get_drvdata(pdev);
556
557 nouveau_drm_device_remove(dev);
558}
559
560static int
561nouveau_do_suspend(struct drm_device *dev, bool runtime)
562{
563 struct nouveau_drm *drm = nouveau_drm(dev);
564 struct nouveau_cli *cli;
565 int ret;
566
567 nouveau_led_suspend(dev);
568
569 if (dev->mode_config.num_crtc) {
570 NV_INFO(drm, "suspending console...\n");
571 nouveau_fbcon_set_suspend(dev, 1);
572 NV_INFO(drm, "suspending display...\n");
573 ret = nouveau_display_suspend(dev, runtime);
574 if (ret)
575 return ret;
576 }
577
578 NV_INFO(drm, "evicting buffers...\n");
579 ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM);
580
581 NV_INFO(drm, "waiting for kernel channels to go idle...\n");
582 if (drm->cechan) {
583 ret = nouveau_channel_idle(drm->cechan);
584 if (ret)
585 goto fail_display;
586 }
587
588 if (drm->channel) {
589 ret = nouveau_channel_idle(drm->channel);
590 if (ret)
591 goto fail_display;
592 }
593
594 NV_INFO(drm, "suspending client object trees...\n");
595 if (drm->fence && nouveau_fence(drm)->suspend) {
596 if (!nouveau_fence(drm)->suspend(drm)) {
597 ret = -ENOMEM;
598 goto fail_display;
599 }
600 }
601
602 list_for_each_entry(cli, &drm->clients, head) {
603 ret = nvif_client_suspend(&cli->base);
604 if (ret)
605 goto fail_client;
606 }
607
608 NV_INFO(drm, "suspending kernel object tree...\n");
609 ret = nvif_client_suspend(&drm->client.base);
610 if (ret)
611 goto fail_client;
612
613 return 0;
614
615fail_client:
616 list_for_each_entry_continue_reverse(cli, &drm->clients, head) {
617 nvif_client_resume(&cli->base);
618 }
619
620 if (drm->fence && nouveau_fence(drm)->resume)
621 nouveau_fence(drm)->resume(drm);
622
623fail_display:
624 if (dev->mode_config.num_crtc) {
625 NV_INFO(drm, "resuming display...\n");
626 nouveau_display_resume(dev, runtime);
627 }
628 return ret;
629}
630
631static int
632nouveau_do_resume(struct drm_device *dev, bool runtime)
633{
634 struct nouveau_drm *drm = nouveau_drm(dev);
635 struct nouveau_cli *cli;
636
637 NV_INFO(drm, "resuming kernel object tree...\n");
638 nvif_client_resume(&drm->client.base);
639
640 NV_INFO(drm, "resuming client object trees...\n");
641 if (drm->fence && nouveau_fence(drm)->resume)
642 nouveau_fence(drm)->resume(drm);
643
644 list_for_each_entry(cli, &drm->clients, head) {
645 nvif_client_resume(&cli->base);
646 }
647
648 nouveau_run_vbios_init(dev);
649
650 if (dev->mode_config.num_crtc) {
651 NV_INFO(drm, "resuming display...\n");
652 nouveau_display_resume(dev, runtime);
653 NV_INFO(drm, "resuming console...\n");
654 nouveau_fbcon_set_suspend(dev, 0);
655 }
656
657 nouveau_led_resume(dev);
658
659 return 0;
660}
661
662int
663nouveau_pmops_suspend(struct device *dev)
664{
665 struct pci_dev *pdev = to_pci_dev(dev);
666 struct drm_device *drm_dev = pci_get_drvdata(pdev);
667 int ret;
668
669 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
670 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
671 return 0;
672
673 ret = nouveau_do_suspend(drm_dev, false);
674 if (ret)
675 return ret;
676
677 pci_save_state(pdev);
678 pci_disable_device(pdev);
679 pci_set_power_state(pdev, PCI_D3hot);
680 udelay(200);
681 return 0;
682}
683
684int
685nouveau_pmops_resume(struct device *dev)
686{
687 struct pci_dev *pdev = to_pci_dev(dev);
688 struct drm_device *drm_dev = pci_get_drvdata(pdev);
689 int ret;
690
691 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
692 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
693 return 0;
694
695 pci_set_power_state(pdev, PCI_D0);
696 pci_restore_state(pdev);
697 ret = pci_enable_device(pdev);
698 if (ret)
699 return ret;
700 pci_set_master(pdev);
701
702 ret = nouveau_do_resume(drm_dev, false);
703
704
705 schedule_work(&nouveau_drm(drm_dev)->hpd_work);
706
707 return ret;
708}
709
710static int
711nouveau_pmops_freeze(struct device *dev)
712{
713 struct pci_dev *pdev = to_pci_dev(dev);
714 struct drm_device *drm_dev = pci_get_drvdata(pdev);
715 return nouveau_do_suspend(drm_dev, false);
716}
717
718static int
719nouveau_pmops_thaw(struct device *dev)
720{
721 struct pci_dev *pdev = to_pci_dev(dev);
722 struct drm_device *drm_dev = pci_get_drvdata(pdev);
723 return nouveau_do_resume(drm_dev, false);
724}
725
726bool
727nouveau_pmops_runtime()
728{
729 if (nouveau_runtime_pm == -1)
730 return nouveau_is_optimus() || nouveau_is_v1_dsm();
731 return nouveau_runtime_pm == 1;
732}
733
734static int
735nouveau_pmops_runtime_suspend(struct device *dev)
736{
737 struct pci_dev *pdev = to_pci_dev(dev);
738 struct drm_device *drm_dev = pci_get_drvdata(pdev);
739 int ret;
740
741 if (!nouveau_pmops_runtime()) {
742 pm_runtime_forbid(dev);
743 return -EBUSY;
744 }
745
746 drm_kms_helper_poll_disable(drm_dev);
747 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF);
748 nouveau_switcheroo_optimus_dsm();
749 ret = nouveau_do_suspend(drm_dev, true);
750 pci_save_state(pdev);
751 pci_disable_device(pdev);
752 pci_ignore_hotplug(pdev);
753 pci_set_power_state(pdev, PCI_D3cold);
754 drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
755 return ret;
756}
757
758static int
759nouveau_pmops_runtime_resume(struct device *dev)
760{
761 struct pci_dev *pdev = to_pci_dev(dev);
762 struct drm_device *drm_dev = pci_get_drvdata(pdev);
763 struct nvif_device *device = &nouveau_drm(drm_dev)->device;
764 int ret;
765
766 if (!nouveau_pmops_runtime()) {
767 pm_runtime_forbid(dev);
768 return -EBUSY;
769 }
770
771 pci_set_power_state(pdev, PCI_D0);
772 pci_restore_state(pdev);
773 ret = pci_enable_device(pdev);
774 if (ret)
775 return ret;
776 pci_set_master(pdev);
777
778 ret = nouveau_do_resume(drm_dev, true);
779
780 if (!drm_dev->mode_config.poll_enabled)
781 drm_kms_helper_poll_enable(drm_dev);
782
783
784 nvif_mask(&device->object, 0x088488, (1 << 25), (1 << 25));
785 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON);
786 drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
787
788
789 schedule_work(&nouveau_drm(drm_dev)->hpd_work);
790
791 return ret;
792}
793
794static int
795nouveau_pmops_runtime_idle(struct device *dev)
796{
797 struct pci_dev *pdev = to_pci_dev(dev);
798 struct drm_device *drm_dev = pci_get_drvdata(pdev);
799 struct nouveau_drm *drm = nouveau_drm(drm_dev);
800 struct drm_crtc *crtc;
801
802 if (!nouveau_pmops_runtime()) {
803 pm_runtime_forbid(dev);
804 return -EBUSY;
805 }
806
807
808 if (drm->hdmi_device) {
809 if (!drm->hdmi_device->driver) {
810 DRM_DEBUG_DRIVER("failing to power off - no HDMI audio driver loaded\n");
811 pm_runtime_mark_last_busy(dev);
812 return -EBUSY;
813 }
814 }
815
816 list_for_each_entry(crtc, &drm->dev->mode_config.crtc_list, head) {
817 if (crtc->enabled) {
818 DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
819 return -EBUSY;
820 }
821 }
822 pm_runtime_mark_last_busy(dev);
823 pm_runtime_autosuspend(dev);
824
825 return 1;
826}
827
828static int
829nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
830{
831 struct nouveau_drm *drm = nouveau_drm(dev);
832 struct nouveau_cli *cli;
833 char name[32], tmpname[TASK_COMM_LEN];
834 int ret;
835
836
837 ret = pm_runtime_get_sync(dev->dev);
838 if (ret < 0 && ret != -EACCES)
839 return ret;
840
841 get_task_comm(tmpname, current);
842 snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
843
844 ret = nouveau_cli_create(dev, name, sizeof(*cli), (void **)&cli);
845
846 if (ret)
847 goto out_suspend;
848
849 cli->base.super = false;
850
851 if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
852 ret = nvkm_vm_new(nvxx_device(&drm->device), 0, (1ULL << 40),
853 0x1000, NULL, &cli->vm);
854 if (ret) {
855 nouveau_cli_destroy(cli);
856 goto out_suspend;
857 }
858
859 nvxx_client(&cli->base)->vm = cli->vm;
860 }
861
862 fpriv->driver_priv = cli;
863
864 mutex_lock(&drm->client.mutex);
865 list_add(&cli->head, &drm->clients);
866 mutex_unlock(&drm->client.mutex);
867
868out_suspend:
869 pm_runtime_mark_last_busy(dev->dev);
870 pm_runtime_put_autosuspend(dev->dev);
871
872 return ret;
873}
874
875static void
876nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv)
877{
878 struct nouveau_cli *cli = nouveau_cli(fpriv);
879 struct nouveau_drm *drm = nouveau_drm(dev);
880
881 pm_runtime_get_sync(dev->dev);
882
883 mutex_lock(&cli->mutex);
884 if (cli->abi16)
885 nouveau_abi16_fini(cli->abi16);
886 mutex_unlock(&cli->mutex);
887
888 mutex_lock(&drm->client.mutex);
889 list_del(&cli->head);
890 mutex_unlock(&drm->client.mutex);
891
892}
893
894static void
895nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv)
896{
897 struct nouveau_cli *cli = nouveau_cli(fpriv);
898 nouveau_cli_destroy(cli);
899 pm_runtime_mark_last_busy(dev->dev);
900 pm_runtime_put_autosuspend(dev->dev);
901}
902
903static const struct drm_ioctl_desc
904nouveau_ioctls[] = {
905 DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_AUTH|DRM_RENDER_ALLOW),
906 DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
907 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_AUTH|DRM_RENDER_ALLOW),
908 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_AUTH|DRM_RENDER_ALLOW),
909 DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_AUTH|DRM_RENDER_ALLOW),
910 DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_AUTH|DRM_RENDER_ALLOW),
911 DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_AUTH|DRM_RENDER_ALLOW),
912 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_AUTH|DRM_RENDER_ALLOW),
913 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_AUTH|DRM_RENDER_ALLOW),
914 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_AUTH|DRM_RENDER_ALLOW),
915 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_AUTH|DRM_RENDER_ALLOW),
916 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_AUTH|DRM_RENDER_ALLOW),
917};
918
919long
920nouveau_drm_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
921{
922 struct drm_file *filp = file->private_data;
923 struct drm_device *dev = filp->minor->dev;
924 long ret;
925
926 ret = pm_runtime_get_sync(dev->dev);
927 if (ret < 0 && ret != -EACCES)
928 return ret;
929
930 switch (_IOC_NR(cmd) - DRM_COMMAND_BASE) {
931 case DRM_NOUVEAU_NVIF:
932 ret = usif_ioctl(filp, (void __user *)arg, _IOC_SIZE(cmd));
933 break;
934 default:
935 ret = drm_ioctl(file, cmd, arg);
936 break;
937 }
938
939 pm_runtime_mark_last_busy(dev->dev);
940 pm_runtime_put_autosuspend(dev->dev);
941 return ret;
942}
943
944static const struct file_operations
945nouveau_driver_fops = {
946 .owner = THIS_MODULE,
947 .open = drm_open,
948 .release = drm_release,
949 .unlocked_ioctl = nouveau_drm_ioctl,
950 .mmap = nouveau_ttm_mmap,
951 .poll = drm_poll,
952 .read = drm_read,
953#if defined(CONFIG_COMPAT)
954 .compat_ioctl = nouveau_compat_ioctl,
955#endif
956 .llseek = noop_llseek,
957};
958
959static struct drm_driver
960driver_stub = {
961 .driver_features =
962 DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER |
963 DRIVER_KMS_LEGACY_CONTEXT,
964
965 .load = nouveau_drm_load,
966 .unload = nouveau_drm_unload,
967 .open = nouveau_drm_open,
968 .preclose = nouveau_drm_preclose,
969 .postclose = nouveau_drm_postclose,
970 .lastclose = nouveau_vga_lastclose,
971
972#if defined(CONFIG_DEBUG_FS)
973 .debugfs_init = nouveau_drm_debugfs_init,
974 .debugfs_cleanup = nouveau_drm_debugfs_cleanup,
975#endif
976
977 .get_vblank_counter = drm_vblank_no_hw_counter,
978 .enable_vblank = nouveau_display_vblank_enable,
979 .disable_vblank = nouveau_display_vblank_disable,
980 .get_scanout_position = nouveau_display_scanoutpos,
981 .get_vblank_timestamp = nouveau_display_vblstamp,
982
983 .ioctls = nouveau_ioctls,
984 .num_ioctls = ARRAY_SIZE(nouveau_ioctls),
985 .fops = &nouveau_driver_fops,
986
987 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
988 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
989 .gem_prime_export = drm_gem_prime_export,
990 .gem_prime_import = drm_gem_prime_import,
991 .gem_prime_pin = nouveau_gem_prime_pin,
992 .gem_prime_res_obj = nouveau_gem_prime_res_obj,
993 .gem_prime_unpin = nouveau_gem_prime_unpin,
994 .gem_prime_get_sg_table = nouveau_gem_prime_get_sg_table,
995 .gem_prime_import_sg_table = nouveau_gem_prime_import_sg_table,
996 .gem_prime_vmap = nouveau_gem_prime_vmap,
997 .gem_prime_vunmap = nouveau_gem_prime_vunmap,
998
999 .gem_free_object_unlocked = nouveau_gem_object_del,
1000 .gem_open_object = nouveau_gem_object_open,
1001 .gem_close_object = nouveau_gem_object_close,
1002
1003 .dumb_create = nouveau_display_dumb_create,
1004 .dumb_map_offset = nouveau_display_dumb_map_offset,
1005 .dumb_destroy = drm_gem_dumb_destroy,
1006
1007 .name = DRIVER_NAME,
1008 .desc = DRIVER_DESC,
1009#ifdef GIT_REVISION
1010 .date = GIT_REVISION,
1011#else
1012 .date = DRIVER_DATE,
1013#endif
1014 .major = DRIVER_MAJOR,
1015 .minor = DRIVER_MINOR,
1016 .patchlevel = DRIVER_PATCHLEVEL,
1017};
1018
1019static struct pci_device_id
1020nouveau_drm_pci_table[] = {
1021 {
1022 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
1023 .class = PCI_BASE_CLASS_DISPLAY << 16,
1024 .class_mask = 0xff << 16,
1025 },
1026 {
1027 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
1028 .class = PCI_BASE_CLASS_DISPLAY << 16,
1029 .class_mask = 0xff << 16,
1030 },
1031 {}
1032};
1033
1034static void nouveau_display_options(void)
1035{
1036 DRM_DEBUG_DRIVER("Loading Nouveau with parameters:\n");
1037
1038 DRM_DEBUG_DRIVER("... tv_disable : %d\n", nouveau_tv_disable);
1039 DRM_DEBUG_DRIVER("... ignorelid : %d\n", nouveau_ignorelid);
1040 DRM_DEBUG_DRIVER("... duallink : %d\n", nouveau_duallink);
1041 DRM_DEBUG_DRIVER("... nofbaccel : %d\n", nouveau_nofbaccel);
1042 DRM_DEBUG_DRIVER("... config : %s\n", nouveau_config);
1043 DRM_DEBUG_DRIVER("... debug : %s\n", nouveau_debug);
1044 DRM_DEBUG_DRIVER("... noaccel : %d\n", nouveau_noaccel);
1045 DRM_DEBUG_DRIVER("... modeset : %d\n", nouveau_modeset);
1046 DRM_DEBUG_DRIVER("... runpm : %d\n", nouveau_runtime_pm);
1047 DRM_DEBUG_DRIVER("... vram_pushbuf : %d\n", nouveau_vram_pushbuf);
1048 DRM_DEBUG_DRIVER("... hdmimhz : %d\n", nouveau_hdmimhz);
1049}
1050
1051static const struct dev_pm_ops nouveau_pm_ops = {
1052 .suspend = nouveau_pmops_suspend,
1053 .resume = nouveau_pmops_resume,
1054 .freeze = nouveau_pmops_freeze,
1055 .thaw = nouveau_pmops_thaw,
1056 .poweroff = nouveau_pmops_freeze,
1057 .restore = nouveau_pmops_resume,
1058 .runtime_suspend = nouveau_pmops_runtime_suspend,
1059 .runtime_resume = nouveau_pmops_runtime_resume,
1060 .runtime_idle = nouveau_pmops_runtime_idle,
1061};
1062
1063static struct pci_driver
1064nouveau_drm_pci_driver = {
1065 .name = "nouveau",
1066 .id_table = nouveau_drm_pci_table,
1067 .probe = nouveau_drm_probe,
1068 .remove = nouveau_drm_remove,
1069 .driver.pm = &nouveau_pm_ops,
1070};
1071
1072struct drm_device *
1073nouveau_platform_device_create(const struct nvkm_device_tegra_func *func,
1074 struct platform_device *pdev,
1075 struct nvkm_device **pdevice)
1076{
1077 struct drm_device *drm;
1078 int err;
1079
1080 err = nvkm_device_tegra_new(func, pdev, nouveau_config, nouveau_debug,
1081 true, true, ~0ULL, pdevice);
1082 if (err)
1083 goto err_free;
1084
1085 drm = drm_dev_alloc(&driver_platform, &pdev->dev);
1086 if (IS_ERR(drm)) {
1087 err = PTR_ERR(drm);
1088 goto err_free;
1089 }
1090
1091 drm->platformdev = pdev;
1092 platform_set_drvdata(pdev, drm);
1093
1094 return drm;
1095
1096err_free:
1097 nvkm_device_del(pdevice);
1098
1099 return ERR_PTR(err);
1100}
1101
1102static int __init
1103nouveau_drm_init(void)
1104{
1105 driver_pci = driver_stub;
1106 driver_pci.set_busid = drm_pci_set_busid;
1107 driver_platform = driver_stub;
1108
1109 nouveau_display_options();
1110
1111 if (nouveau_modeset == -1) {
1112 if (vgacon_text_force())
1113 nouveau_modeset = 0;
1114 }
1115
1116 if (!nouveau_modeset)
1117 return 0;
1118
1119#ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER
1120 platform_driver_register(&nouveau_platform_driver);
1121#endif
1122
1123 nouveau_register_dsm_handler();
1124 nouveau_backlight_ctor();
1125 return drm_pci_init(&driver_pci, &nouveau_drm_pci_driver);
1126}
1127
1128static void __exit
1129nouveau_drm_exit(void)
1130{
1131 if (!nouveau_modeset)
1132 return;
1133
1134 drm_pci_exit(&driver_pci, &nouveau_drm_pci_driver);
1135 nouveau_backlight_dtor();
1136 nouveau_unregister_dsm_handler();
1137
1138#ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER
1139 platform_driver_unregister(&nouveau_platform_driver);
1140#endif
1141}
1142
1143module_init(nouveau_drm_init);
1144module_exit(nouveau_drm_exit);
1145
1146MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table);
1147MODULE_AUTHOR(DRIVER_AUTHOR);
1148MODULE_DESCRIPTION(DRIVER_DESC);
1149MODULE_LICENSE("GPL and additional rights");
1150
