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