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/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
57MODULE_PARM_DESC(config, "option string to pass to driver core");
58static char *nouveau_config;
59module_param_named(config, nouveau_config, charp, 0400);
60
61MODULE_PARM_DESC(debug, "debug string to pass to driver core");
62static char *nouveau_debug;
63module_param_named(debug, nouveau_debug, charp, 0400);
64
65MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration");
66static int nouveau_noaccel = 0;
67module_param_named(noaccel, nouveau_noaccel, int, 0400);
68
69MODULE_PARM_DESC(modeset, "enable driver (default: auto, "
70 "0 = disabled, 1 = enabled, 2 = headless)");
71int nouveau_modeset = -1;
72module_param_named(modeset, nouveau_modeset, int, 0400);
73
74MODULE_PARM_DESC(runpm, "disable (0), force enable (1), optimus only default (-1)");
75int nouveau_runtime_pm = -1;
76module_param_named(runpm, nouveau_runtime_pm, int, 0400);
77
78static struct drm_driver driver_stub;
79static struct drm_driver driver_pci;
80static struct drm_driver driver_platform;
81
82static u64
83nouveau_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
91static u64
92nouveau_platform_name(struct platform_device *platformdev)
93{
94 return platformdev->id;
95}
96
97static u64
98nouveau_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
106static int
107nouveau_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
124static void
125nouveau_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
132static void
133nouveau_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
145static void
146nouveau_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
157
158
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 case MAXWELL_CHANNEL_GPFIFO_A:
185 ret = nvc0_fence_create(drm);
186 break;
187 default:
188 break;
189 }
190 }
191
192 if (ret) {
193 NV_ERROR(drm, "failed to initialise sync subsystem, %d\n", ret);
194 nouveau_accel_fini(drm);
195 return;
196 }
197
198 if (device->info.family >= NV_DEVICE_INFO_V0_KEPLER) {
199 ret = nouveau_channel_new(drm, &drm->device, NVDRM_CHAN + 1,
200 KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_CE0|
201 KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_CE1,
202 0, &drm->cechan);
203 if (ret)
204 NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
205
206 arg0 = KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_GR;
207 arg1 = 1;
208 } else
209 if (device->info.chipset >= 0xa3 &&
210 device->info.chipset != 0xaa &&
211 device->info.chipset != 0xac) {
212 ret = nouveau_channel_new(drm, &drm->device, NVDRM_CHAN + 1,
213 NvDmaFB, NvDmaTT, &drm->cechan);
214 if (ret)
215 NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
216
217 arg0 = NvDmaFB;
218 arg1 = NvDmaTT;
219 } else {
220 arg0 = NvDmaFB;
221 arg1 = NvDmaTT;
222 }
223
224 ret = nouveau_channel_new(drm, &drm->device, NVDRM_CHAN, arg0, arg1,
225 &drm->channel);
226 if (ret) {
227 NV_ERROR(drm, "failed to create kernel channel, %d\n", ret);
228 nouveau_accel_fini(drm);
229 return;
230 }
231
232 ret = nvif_object_init(drm->channel->object, NULL, NVDRM_NVSW,
233 nouveau_abi16_swclass(drm), NULL, 0, &drm->nvsw);
234 if (ret == 0) {
235 struct nvkm_sw_chan *swch;
236 ret = RING_SPACE(drm->channel, 2);
237 if (ret == 0) {
238 if (device->info.family < NV_DEVICE_INFO_V0_FERMI) {
239 BEGIN_NV04(drm->channel, NvSubSw, 0, 1);
240 OUT_RING (drm->channel, NVDRM_NVSW);
241 } else
242 if (device->info.family < NV_DEVICE_INFO_V0_KEPLER) {
243 BEGIN_NVC0(drm->channel, FermiSw, 0, 1);
244 OUT_RING (drm->channel, 0x001f0000);
245 }
246 }
247 swch = (void *)nvxx_object(&drm->nvsw)->parent;
248 swch->flip = nouveau_flip_complete;
249 swch->flip_data = drm->channel;
250 }
251
252 if (ret) {
253 NV_ERROR(drm, "failed to allocate software object, %d\n", ret);
254 nouveau_accel_fini(drm);
255 return;
256 }
257
258 if (device->info.family < NV_DEVICE_INFO_V0_FERMI) {
259 ret = nvkm_gpuobj_new(nvxx_object(&drm->device), NULL, 32,
260 0, 0, &drm->notify);
261 if (ret) {
262 NV_ERROR(drm, "failed to allocate notifier, %d\n", ret);
263 nouveau_accel_fini(drm);
264 return;
265 }
266
267 ret = nvif_object_init(drm->channel->object, NULL, NvNotify0,
268 NV_DMA_IN_MEMORY,
269 &(struct nv_dma_v0) {
270 .target = NV_DMA_V0_TARGET_VRAM,
271 .access = NV_DMA_V0_ACCESS_RDWR,
272 .start = drm->notify->addr,
273 .limit = drm->notify->addr + 31
274 }, sizeof(struct nv_dma_v0),
275 &drm->ntfy);
276 if (ret) {
277 nouveau_accel_fini(drm);
278 return;
279 }
280 }
281
282
283 nouveau_bo_move_init(drm);
284}
285
286static int nouveau_drm_probe(struct pci_dev *pdev,
287 const struct pci_device_id *pent)
288{
289 struct nvkm_device *device;
290 struct apertures_struct *aper;
291 bool boot = false;
292 int ret;
293
294
295 aper = alloc_apertures(3);
296 if (!aper)
297 return -ENOMEM;
298
299 aper->ranges[0].base = pci_resource_start(pdev, 1);
300 aper->ranges[0].size = pci_resource_len(pdev, 1);
301 aper->count = 1;
302
303 if (pci_resource_len(pdev, 2)) {
304 aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
305 aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
306 aper->count++;
307 }
308
309 if (pci_resource_len(pdev, 3)) {
310 aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
311 aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
312 aper->count++;
313 }
314
315#ifdef CONFIG_X86
316 boot = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
317#endif
318 if (nouveau_modeset != 2)
319 remove_conflicting_framebuffers(aper, "nouveaufb", boot);
320 kfree(aper);
321
322 ret = nvkm_device_create(pdev, NVKM_BUS_PCI,
323 nouveau_pci_name(pdev), pci_name(pdev),
324 nouveau_config, nouveau_debug, &device);
325 if (ret)
326 return ret;
327
328 pci_set_master(pdev);
329
330 ret = drm_get_pci_dev(pdev, pent, &driver_pci);
331 if (ret) {
332 nvkm_object_ref(NULL, (struct nvkm_object **)&device);
333 return ret;
334 }
335
336 return 0;
337}
338
339#define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403
340
341static void
342nouveau_get_hdmi_dev(struct nouveau_drm *drm)
343{
344 struct pci_dev *pdev = drm->dev->pdev;
345
346 if (!pdev) {
347 DRM_INFO("not a PCI device; no HDMI\n");
348 drm->hdmi_device = NULL;
349 return;
350 }
351
352
353 drm->hdmi_device = pci_get_bus_and_slot((unsigned int)pdev->bus->number,
354 PCI_DEVFN(PCI_SLOT(pdev->devfn), 1));
355
356 if (!drm->hdmi_device) {
357 NV_DEBUG(drm, "hdmi device not found %d %d %d\n", pdev->bus->number, PCI_SLOT(pdev->devfn), 1);
358 return;
359 }
360
361 if ((drm->hdmi_device->class >> 8) != PCI_CLASS_MULTIMEDIA_HD_AUDIO) {
362 NV_DEBUG(drm, "possible hdmi device not audio %d\n", drm->hdmi_device->class);
363 pci_dev_put(drm->hdmi_device);
364 drm->hdmi_device = NULL;
365 return;
366 }
367}
368
369static int
370nouveau_drm_load(struct drm_device *dev, unsigned long flags)
371{
372 struct pci_dev *pdev = dev->pdev;
373 struct nouveau_drm *drm;
374 int ret;
375
376 ret = nouveau_cli_create(nouveau_name(dev), "DRM", sizeof(*drm),
377 (void **)&drm);
378 if (ret)
379 return ret;
380
381 dev->dev_private = drm;
382 drm->dev = dev;
383 nvxx_client(&drm->client.base)->debug =
384 nvkm_dbgopt(nouveau_debug, "DRM");
385
386 INIT_LIST_HEAD(&drm->clients);
387 spin_lock_init(&drm->tile.lock);
388
389 nouveau_get_hdmi_dev(drm);
390
391
392
393
394 if (pdev && drm_pci_device_is_agp(dev) && dev->agp) {
395 const u64 enables = NV_DEVICE_V0_DISABLE_IDENTIFY |
396 NV_DEVICE_V0_DISABLE_MMIO;
397
398
399
400 ret = nvif_device_init(&drm->client.base.base, NULL,
401 NVDRM_DEVICE, NV_DEVICE,
402 &(struct nv_device_v0) {
403 .device = ~0,
404 .disable = ~enables,
405 .debug0 = ~0,
406 }, sizeof(struct nv_device_v0),
407 &drm->device);
408 if (ret)
409 goto fail_device;
410
411 nouveau_agp_reset(drm);
412 nvif_device_fini(&drm->device);
413 }
414
415 ret = nvif_device_init(&drm->client.base.base, NULL, NVDRM_DEVICE,
416 NV_DEVICE,
417 &(struct nv_device_v0) {
418 .device = ~0,
419 .disable = 0,
420 .debug0 = 0,
421 }, sizeof(struct nv_device_v0),
422 &drm->device);
423 if (ret)
424 goto fail_device;
425
426 dev->irq_enabled = true;
427
428
429
430
431
432 if (drm->device.info.chipset == 0xc1)
433 nvif_mask(&drm->device, 0x00088080, 0x00000800, 0x00000000);
434
435 nouveau_vga_init(drm);
436 nouveau_agp_init(drm);
437
438 if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
439 ret = nvkm_vm_new(nvxx_device(&drm->device), 0, (1ULL << 40),
440 0x1000, &drm->client.vm);
441 if (ret)
442 goto fail_device;
443
444 nvxx_client(&drm->client.base)->vm = drm->client.vm;
445 }
446
447 ret = nouveau_ttm_init(drm);
448 if (ret)
449 goto fail_ttm;
450
451 ret = nouveau_bios_init(dev);
452 if (ret)
453 goto fail_bios;
454
455 ret = nouveau_display_create(dev);
456 if (ret)
457 goto fail_dispctor;
458
459 if (dev->mode_config.num_crtc) {
460 ret = nouveau_display_init(dev);
461 if (ret)
462 goto fail_dispinit;
463 }
464
465 nouveau_sysfs_init(dev);
466 nouveau_hwmon_init(dev);
467 nouveau_accel_init(drm);
468 nouveau_fbcon_init(dev);
469
470 if (nouveau_runtime_pm != 0) {
471 pm_runtime_use_autosuspend(dev->dev);
472 pm_runtime_set_autosuspend_delay(dev->dev, 5000);
473 pm_runtime_set_active(dev->dev);
474 pm_runtime_allow(dev->dev);
475 pm_runtime_mark_last_busy(dev->dev);
476 pm_runtime_put(dev->dev);
477 }
478 return 0;
479
480fail_dispinit:
481 nouveau_display_destroy(dev);
482fail_dispctor:
483 nouveau_bios_takedown(dev);
484fail_bios:
485 nouveau_ttm_fini(drm);
486fail_ttm:
487 nouveau_agp_fini(drm);
488 nouveau_vga_fini(drm);
489fail_device:
490 nvif_device_fini(&drm->device);
491 nouveau_cli_destroy(&drm->client);
492 return ret;
493}
494
495static int
496nouveau_drm_unload(struct drm_device *dev)
497{
498 struct nouveau_drm *drm = nouveau_drm(dev);
499
500 pm_runtime_get_sync(dev->dev);
501 nouveau_fbcon_fini(dev);
502 nouveau_accel_fini(drm);
503 nouveau_hwmon_fini(dev);
504 nouveau_sysfs_fini(dev);
505
506 if (dev->mode_config.num_crtc)
507 nouveau_display_fini(dev);
508 nouveau_display_destroy(dev);
509
510 nouveau_bios_takedown(dev);
511
512 nouveau_ttm_fini(drm);
513 nouveau_agp_fini(drm);
514 nouveau_vga_fini(drm);
515
516 nvif_device_fini(&drm->device);
517 if (drm->hdmi_device)
518 pci_dev_put(drm->hdmi_device);
519 nouveau_cli_destroy(&drm->client);
520 return 0;
521}
522
523void
524nouveau_drm_device_remove(struct drm_device *dev)
525{
526 struct nouveau_drm *drm = nouveau_drm(dev);
527 struct nvkm_client *client;
528 struct nvkm_object *device;
529
530 dev->irq_enabled = false;
531 client = nvxx_client(&drm->client.base);
532 device = client->device;
533 drm_put_dev(dev);
534
535 nvkm_object_ref(NULL, &device);
536 nvkm_object_debug();
537}
538
539static void
540nouveau_drm_remove(struct pci_dev *pdev)
541{
542 struct drm_device *dev = pci_get_drvdata(pdev);
543
544 nouveau_drm_device_remove(dev);
545}
546
547static int
548nouveau_do_suspend(struct drm_device *dev, bool runtime)
549{
550 struct nouveau_drm *drm = nouveau_drm(dev);
551 struct nouveau_cli *cli;
552 int ret;
553
554 if (dev->mode_config.num_crtc) {
555 NV_INFO(drm, "suspending console...\n");
556 nouveau_fbcon_set_suspend(dev, 1);
557 NV_INFO(drm, "suspending display...\n");
558 ret = nouveau_display_suspend(dev, runtime);
559 if (ret)
560 return ret;
561 }
562
563 NV_INFO(drm, "evicting buffers...\n");
564 ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM);
565
566 NV_INFO(drm, "waiting for kernel channels to go idle...\n");
567 if (drm->cechan) {
568 ret = nouveau_channel_idle(drm->cechan);
569 if (ret)
570 goto fail_display;
571 }
572
573 if (drm->channel) {
574 ret = nouveau_channel_idle(drm->channel);
575 if (ret)
576 goto fail_display;
577 }
578
579 NV_INFO(drm, "suspending client object trees...\n");
580 if (drm->fence && nouveau_fence(drm)->suspend) {
581 if (!nouveau_fence(drm)->suspend(drm)) {
582 ret = -ENOMEM;
583 goto fail_display;
584 }
585 }
586
587 list_for_each_entry(cli, &drm->clients, head) {
588 ret = nvif_client_suspend(&cli->base);
589 if (ret)
590 goto fail_client;
591 }
592
593 NV_INFO(drm, "suspending kernel object tree...\n");
594 ret = nvif_client_suspend(&drm->client.base);
595 if (ret)
596 goto fail_client;
597
598 nouveau_agp_fini(drm);
599 return 0;
600
601fail_client:
602 list_for_each_entry_continue_reverse(cli, &drm->clients, head) {
603 nvif_client_resume(&cli->base);
604 }
605
606 if (drm->fence && nouveau_fence(drm)->resume)
607 nouveau_fence(drm)->resume(drm);
608
609fail_display:
610 if (dev->mode_config.num_crtc) {
611 NV_INFO(drm, "resuming display...\n");
612 nouveau_display_resume(dev, runtime);
613 }
614 return ret;
615}
616
617static int
618nouveau_do_resume(struct drm_device *dev, bool runtime)
619{
620 struct nouveau_drm *drm = nouveau_drm(dev);
621 struct nouveau_cli *cli;
622
623 NV_INFO(drm, "re-enabling device...\n");
624
625 nouveau_agp_reset(drm);
626
627 NV_INFO(drm, "resuming kernel object tree...\n");
628 nvif_client_resume(&drm->client.base);
629 nouveau_agp_init(drm);
630
631 NV_INFO(drm, "resuming client object trees...\n");
632 if (drm->fence && nouveau_fence(drm)->resume)
633 nouveau_fence(drm)->resume(drm);
634
635 list_for_each_entry(cli, &drm->clients, head) {
636 nvif_client_resume(&cli->base);
637 }
638
639 nouveau_run_vbios_init(dev);
640
641 if (dev->mode_config.num_crtc) {
642 NV_INFO(drm, "resuming display...\n");
643 nouveau_display_resume(dev, runtime);
644 NV_INFO(drm, "resuming console...\n");
645 nouveau_fbcon_set_suspend(dev, 0);
646 }
647
648 return 0;
649}
650
651int
652nouveau_pmops_suspend(struct device *dev)
653{
654 struct pci_dev *pdev = to_pci_dev(dev);
655 struct drm_device *drm_dev = pci_get_drvdata(pdev);
656 int ret;
657
658 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
659 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
660 return 0;
661
662 ret = nouveau_do_suspend(drm_dev, false);
663 if (ret)
664 return ret;
665
666 pci_save_state(pdev);
667 pci_disable_device(pdev);
668 pci_set_power_state(pdev, PCI_D3hot);
669 return 0;
670}
671
672int
673nouveau_pmops_resume(struct device *dev)
674{
675 struct pci_dev *pdev = to_pci_dev(dev);
676 struct drm_device *drm_dev = pci_get_drvdata(pdev);
677 int ret;
678
679 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
680 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
681 return 0;
682
683 pci_set_power_state(pdev, PCI_D0);
684 pci_restore_state(pdev);
685 ret = pci_enable_device(pdev);
686 if (ret)
687 return ret;
688 pci_set_master(pdev);
689
690 return nouveau_do_resume(drm_dev, false);
691}
692
693static int
694nouveau_pmops_freeze(struct device *dev)
695{
696 struct pci_dev *pdev = to_pci_dev(dev);
697 struct drm_device *drm_dev = pci_get_drvdata(pdev);
698 return nouveau_do_suspend(drm_dev, false);
699}
700
701static int
702nouveau_pmops_thaw(struct device *dev)
703{
704 struct pci_dev *pdev = to_pci_dev(dev);
705 struct drm_device *drm_dev = pci_get_drvdata(pdev);
706 return nouveau_do_resume(drm_dev, false);
707}
708
709static int
710nouveau_pmops_runtime_suspend(struct device *dev)
711{
712 struct pci_dev *pdev = to_pci_dev(dev);
713 struct drm_device *drm_dev = pci_get_drvdata(pdev);
714 int ret;
715
716 if (nouveau_runtime_pm == 0) {
717 pm_runtime_forbid(dev);
718 return -EBUSY;
719 }
720
721
722 if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) {
723 DRM_DEBUG_DRIVER("failing to power off - not optimus\n");
724 pm_runtime_forbid(dev);
725 return -EBUSY;
726 }
727
728 nv_debug_level(SILENT);
729 drm_kms_helper_poll_disable(drm_dev);
730 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF);
731 nouveau_switcheroo_optimus_dsm();
732 ret = nouveau_do_suspend(drm_dev, true);
733 pci_save_state(pdev);
734 pci_disable_device(pdev);
735 pci_ignore_hotplug(pdev);
736 pci_set_power_state(pdev, PCI_D3cold);
737 drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
738 return ret;
739}
740
741static int
742nouveau_pmops_runtime_resume(struct device *dev)
743{
744 struct pci_dev *pdev = to_pci_dev(dev);
745 struct drm_device *drm_dev = pci_get_drvdata(pdev);
746 struct nvif_device *device = &nouveau_drm(drm_dev)->device;
747 int ret;
748
749 if (nouveau_runtime_pm == 0)
750 return -EINVAL;
751
752 pci_set_power_state(pdev, PCI_D0);
753 pci_restore_state(pdev);
754 ret = pci_enable_device(pdev);
755 if (ret)
756 return ret;
757 pci_set_master(pdev);
758
759 ret = nouveau_do_resume(drm_dev, true);
760 drm_kms_helper_poll_enable(drm_dev);
761
762 nvif_mask(device, 0x88488, (1 << 25), (1 << 25));
763 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON);
764 drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
765 nv_debug_level(NORMAL);
766 return ret;
767}
768
769static int
770nouveau_pmops_runtime_idle(struct device *dev)
771{
772 struct pci_dev *pdev = to_pci_dev(dev);
773 struct drm_device *drm_dev = pci_get_drvdata(pdev);
774 struct nouveau_drm *drm = nouveau_drm(drm_dev);
775 struct drm_crtc *crtc;
776
777 if (nouveau_runtime_pm == 0) {
778 pm_runtime_forbid(dev);
779 return -EBUSY;
780 }
781
782
783 if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) {
784 DRM_DEBUG_DRIVER("failing to power off - not optimus\n");
785 pm_runtime_forbid(dev);
786 return -EBUSY;
787 }
788
789
790 if (drm->hdmi_device) {
791 if (!drm->hdmi_device->driver) {
792 DRM_DEBUG_DRIVER("failing to power off - no HDMI audio driver loaded\n");
793 pm_runtime_mark_last_busy(dev);
794 return -EBUSY;
795 }
796 }
797
798 list_for_each_entry(crtc, &drm->dev->mode_config.crtc_list, head) {
799 if (crtc->enabled) {
800 DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
801 return -EBUSY;
802 }
803 }
804 pm_runtime_mark_last_busy(dev);
805 pm_runtime_autosuspend(dev);
806
807 return 1;
808}
809
810static int
811nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
812{
813 struct nouveau_drm *drm = nouveau_drm(dev);
814 struct nouveau_cli *cli;
815 char name[32], tmpname[TASK_COMM_LEN];
816 int ret;
817
818
819 ret = pm_runtime_get_sync(dev->dev);
820 if (ret < 0 && ret != -EACCES)
821 return ret;
822
823 get_task_comm(tmpname, current);
824 snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
825
826 ret = nouveau_cli_create(nouveau_name(dev), name, sizeof(*cli),
827 (void **)&cli);
828
829 if (ret)
830 goto out_suspend;
831
832 cli->base.super = false;
833
834 if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
835 ret = nvkm_vm_new(nvxx_device(&drm->device), 0, (1ULL << 40),
836 0x1000, &cli->vm);
837 if (ret) {
838 nouveau_cli_destroy(cli);
839 goto out_suspend;
840 }
841
842 nvxx_client(&cli->base)->vm = cli->vm;
843 }
844
845 fpriv->driver_priv = cli;
846
847 mutex_lock(&drm->client.mutex);
848 list_add(&cli->head, &drm->clients);
849 mutex_unlock(&drm->client.mutex);
850
851out_suspend:
852 pm_runtime_mark_last_busy(dev->dev);
853 pm_runtime_put_autosuspend(dev->dev);
854
855 return ret;
856}
857
858static void
859nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv)
860{
861 struct nouveau_cli *cli = nouveau_cli(fpriv);
862 struct nouveau_drm *drm = nouveau_drm(dev);
863
864 pm_runtime_get_sync(dev->dev);
865
866 if (cli->abi16)
867 nouveau_abi16_fini(cli->abi16);
868
869 mutex_lock(&drm->client.mutex);
870 list_del(&cli->head);
871 mutex_unlock(&drm->client.mutex);
872
873}
874
875static void
876nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv)
877{
878 struct nouveau_cli *cli = nouveau_cli(fpriv);
879 nouveau_cli_destroy(cli);
880 pm_runtime_mark_last_busy(dev->dev);
881 pm_runtime_put_autosuspend(dev->dev);
882}
883
884static const struct drm_ioctl_desc
885nouveau_ioctls[] = {
886 DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
887 DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_UNLOCKED|DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
888 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
889 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
890 DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
891 DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
892 DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
893 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
894 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
895 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
896 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
897 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
898};
899
900long
901nouveau_drm_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
902{
903 struct drm_file *filp = file->private_data;
904 struct drm_device *dev = filp->minor->dev;
905 long ret;
906
907 ret = pm_runtime_get_sync(dev->dev);
908 if (ret < 0 && ret != -EACCES)
909 return ret;
910
911 switch (_IOC_NR(cmd) - DRM_COMMAND_BASE) {
912 case DRM_NOUVEAU_NVIF:
913 ret = usif_ioctl(filp, (void __user *)arg, _IOC_SIZE(cmd));
914 break;
915 default:
916 ret = drm_ioctl(file, cmd, arg);
917 break;
918 }
919
920 pm_runtime_mark_last_busy(dev->dev);
921 pm_runtime_put_autosuspend(dev->dev);
922 return ret;
923}
924
925static const struct file_operations
926nouveau_driver_fops = {
927 .owner = THIS_MODULE,
928 .open = drm_open,
929 .release = drm_release,
930 .unlocked_ioctl = nouveau_drm_ioctl,
931 .mmap = nouveau_ttm_mmap,
932 .poll = drm_poll,
933 .read = drm_read,
934#if defined(CONFIG_COMPAT)
935 .compat_ioctl = nouveau_compat_ioctl,
936#endif
937 .llseek = noop_llseek,
938};
939
940static struct drm_driver
941driver_stub = {
942 .driver_features =
943 DRIVER_USE_AGP |
944 DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER,
945
946 .load = nouveau_drm_load,
947 .unload = nouveau_drm_unload,
948 .open = nouveau_drm_open,
949 .preclose = nouveau_drm_preclose,
950 .postclose = nouveau_drm_postclose,
951 .lastclose = nouveau_vga_lastclose,
952
953#if defined(CONFIG_DEBUG_FS)
954 .debugfs_init = nouveau_debugfs_init,
955 .debugfs_cleanup = nouveau_debugfs_takedown,
956#endif
957
958 .get_vblank_counter = drm_vblank_count,
959 .enable_vblank = nouveau_display_vblank_enable,
960 .disable_vblank = nouveau_display_vblank_disable,
961 .get_scanout_position = nouveau_display_scanoutpos,
962 .get_vblank_timestamp = nouveau_display_vblstamp,
963
964 .ioctls = nouveau_ioctls,
965 .num_ioctls = ARRAY_SIZE(nouveau_ioctls),
966 .fops = &nouveau_driver_fops,
967
968 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
969 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
970 .gem_prime_export = drm_gem_prime_export,
971 .gem_prime_import = drm_gem_prime_import,
972 .gem_prime_pin = nouveau_gem_prime_pin,
973 .gem_prime_res_obj = nouveau_gem_prime_res_obj,
974 .gem_prime_unpin = nouveau_gem_prime_unpin,
975 .gem_prime_get_sg_table = nouveau_gem_prime_get_sg_table,
976 .gem_prime_import_sg_table = nouveau_gem_prime_import_sg_table,
977 .gem_prime_vmap = nouveau_gem_prime_vmap,
978 .gem_prime_vunmap = nouveau_gem_prime_vunmap,
979
980 .gem_free_object = nouveau_gem_object_del,
981 .gem_open_object = nouveau_gem_object_open,
982 .gem_close_object = nouveau_gem_object_close,
983
984 .dumb_create = nouveau_display_dumb_create,
985 .dumb_map_offset = nouveau_display_dumb_map_offset,
986 .dumb_destroy = drm_gem_dumb_destroy,
987
988 .name = DRIVER_NAME,
989 .desc = DRIVER_DESC,
990#ifdef GIT_REVISION
991 .date = GIT_REVISION,
992#else
993 .date = DRIVER_DATE,
994#endif
995 .major = DRIVER_MAJOR,
996 .minor = DRIVER_MINOR,
997 .patchlevel = DRIVER_PATCHLEVEL,
998};
999
1000static struct pci_device_id
1001nouveau_drm_pci_table[] = {
1002 {
1003 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
1004 .class = PCI_BASE_CLASS_DISPLAY << 16,
1005 .class_mask = 0xff << 16,
1006 },
1007 {
1008 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
1009 .class = PCI_BASE_CLASS_DISPLAY << 16,
1010 .class_mask = 0xff << 16,
1011 },
1012 {}
1013};
1014
1015static void nouveau_display_options(void)
1016{
1017 DRM_DEBUG_DRIVER("Loading Nouveau with parameters:\n");
1018
1019 DRM_DEBUG_DRIVER("... tv_disable : %d\n", nouveau_tv_disable);
1020 DRM_DEBUG_DRIVER("... ignorelid : %d\n", nouveau_ignorelid);
1021 DRM_DEBUG_DRIVER("... duallink : %d\n", nouveau_duallink);
1022 DRM_DEBUG_DRIVER("... nofbaccel : %d\n", nouveau_nofbaccel);
1023 DRM_DEBUG_DRIVER("... config : %s\n", nouveau_config);
1024 DRM_DEBUG_DRIVER("... debug : %s\n", nouveau_debug);
1025 DRM_DEBUG_DRIVER("... noaccel : %d\n", nouveau_noaccel);
1026 DRM_DEBUG_DRIVER("... modeset : %d\n", nouveau_modeset);
1027 DRM_DEBUG_DRIVER("... runpm : %d\n", nouveau_runtime_pm);
1028 DRM_DEBUG_DRIVER("... vram_pushbuf : %d\n", nouveau_vram_pushbuf);
1029 DRM_DEBUG_DRIVER("... pstate : %d\n", nouveau_pstate);
1030}
1031
1032static const struct dev_pm_ops nouveau_pm_ops = {
1033 .suspend = nouveau_pmops_suspend,
1034 .resume = nouveau_pmops_resume,
1035 .freeze = nouveau_pmops_freeze,
1036 .thaw = nouveau_pmops_thaw,
1037 .poweroff = nouveau_pmops_freeze,
1038 .restore = nouveau_pmops_resume,
1039 .runtime_suspend = nouveau_pmops_runtime_suspend,
1040 .runtime_resume = nouveau_pmops_runtime_resume,
1041 .runtime_idle = nouveau_pmops_runtime_idle,
1042};
1043
1044static struct pci_driver
1045nouveau_drm_pci_driver = {
1046 .name = "nouveau",
1047 .id_table = nouveau_drm_pci_table,
1048 .probe = nouveau_drm_probe,
1049 .remove = nouveau_drm_remove,
1050 .driver.pm = &nouveau_pm_ops,
1051};
1052
1053struct drm_device *
1054nouveau_platform_device_create_(struct platform_device *pdev, int size,
1055 void **pobject)
1056{
1057 struct drm_device *drm;
1058 int err;
1059
1060 err = nvkm_device_create_(pdev, NVKM_BUS_PLATFORM,
1061 nouveau_platform_name(pdev),
1062 dev_name(&pdev->dev), nouveau_config,
1063 nouveau_debug, size, pobject);
1064 if (err)
1065 return ERR_PTR(err);
1066
1067 drm = drm_dev_alloc(&driver_platform, &pdev->dev);
1068 if (!drm) {
1069 err = -ENOMEM;
1070 goto err_free;
1071 }
1072
1073 err = drm_dev_set_unique(drm, "%s", dev_name(&pdev->dev));
1074 if (err < 0)
1075 goto err_free;
1076
1077 drm->platformdev = pdev;
1078 platform_set_drvdata(pdev, drm);
1079
1080 return drm;
1081
1082err_free:
1083 nvkm_object_ref(NULL, (struct nvkm_object **)pobject);
1084
1085 return ERR_PTR(err);
1086}
1087
1088static int __init
1089nouveau_drm_init(void)
1090{
1091 driver_pci = driver_stub;
1092 driver_pci.set_busid = drm_pci_set_busid;
1093 driver_platform = driver_stub;
1094 driver_platform.set_busid = drm_platform_set_busid;
1095
1096 nouveau_display_options();
1097
1098 if (nouveau_modeset == -1) {
1099#ifdef CONFIG_VGA_CONSOLE
1100 if (vgacon_text_force())
1101 nouveau_modeset = 0;
1102#endif
1103 }
1104
1105 if (!nouveau_modeset)
1106 return 0;
1107
1108#ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER
1109 platform_driver_register(&nouveau_platform_driver);
1110#endif
1111
1112 nouveau_register_dsm_handler();
1113 return drm_pci_init(&driver_pci, &nouveau_drm_pci_driver);
1114}
1115
1116static void __exit
1117nouveau_drm_exit(void)
1118{
1119 if (!nouveau_modeset)
1120 return;
1121
1122 drm_pci_exit(&driver_pci, &nouveau_drm_pci_driver);
1123 nouveau_unregister_dsm_handler();
1124
1125#ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER
1126 platform_driver_unregister(&nouveau_platform_driver);
1127#endif
1128}
1129
1130module_init(nouveau_drm_init);
1131module_exit(nouveau_drm_exit);
1132
1133MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table);
1134MODULE_AUTHOR(DRIVER_AUTHOR);
1135MODULE_DESCRIPTION(DRIVER_DESC);
1136MODULE_LICENSE("GPL and additional rights");
1137
