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ARM: pmu: add support for interrupt-affinity property
[linux/fpc-iii.git] / drivers / gpu / drm / nouveau / nouveau_drm.c
blob8763deb5188bb75ad041755e75add0b85726e106
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 #include "nouveau_platform.h"
56
57 MODULE_PARM_DESC(config, "option string to pass to driver core");
58 static char *nouveau_config;
59 module_param_named(config, nouveau_config, charp, 0400);
60
61 MODULE_PARM_DESC(debug, "debug string to pass to driver core");
62 static char *nouveau_debug;
63 module_param_named(debug, nouveau_debug, charp, 0400);
64
65 MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration");
66 static int nouveau_noaccel = 0;
67 module_param_named(noaccel, nouveau_noaccel, int, 0400);
68
69 MODULE_PARM_DESC(modeset, "enable driver (default: auto, "
70 "0 = disabled, 1 = enabled, 2 = headless)");
71 int nouveau_modeset = -1;
72 module_param_named(modeset, nouveau_modeset, int, 0400);
73
74 MODULE_PARM_DESC(runpm, "disable (0), force enable (1), optimus only default (-1)");
75 int nouveau_runtime_pm = -1;
76 module_param_named(runpm, nouveau_runtime_pm, int, 0400);
77
78 static struct drm_driver driver_stub;
79 static struct drm_driver driver_pci;
80 static struct drm_driver driver_platform;
81
82 static u64
83 nouveau_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
91 static u64
92 nouveau_platform_name(struct platform_device *platformdev)
93 {
94 return platformdev->id;
95 }
96
97 static u64
98 nouveau_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
106 static int
107 nouveau_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
124 static void
125 nouveau_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
132 static void
133 nouveau_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
145 static void
146 nouveau_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 /* initialise synchronisation routines */
157 /*XXX: this is crap, but the fence/channel stuff is a little
158 * backwards in some places. this will be fixed.
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 ret = nvc0_fence_create(drm);
185 break;
186 default:
187 break;
188 }
189 }
190
191 if (ret) {
192 NV_ERROR(drm, "failed to initialise sync subsystem, %d\n", ret);
193 nouveau_accel_fini(drm);
194 return;
195 }
196
197 if (device->info.family >= NV_DEVICE_INFO_V0_KEPLER) {
198 ret = nouveau_channel_new(drm, &drm->device, NVDRM_CHAN + 1,
199 KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_CE0|
200 KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_CE1,
201 0, &drm->cechan);
202 if (ret)
203 NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
204
205 arg0 = KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_GR;
206 arg1 = 1;
207 } else
208 if (device->info.chipset >= 0xa3 &&
209 device->info.chipset != 0xaa &&
210 device->info.chipset != 0xac) {
211 ret = nouveau_channel_new(drm, &drm->device, NVDRM_CHAN + 1,
212 NvDmaFB, NvDmaTT, &drm->cechan);
213 if (ret)
214 NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
215
216 arg0 = NvDmaFB;
217 arg1 = NvDmaTT;
218 } else {
219 arg0 = NvDmaFB;
220 arg1 = NvDmaTT;
221 }
222
223 ret = nouveau_channel_new(drm, &drm->device, NVDRM_CHAN, arg0, arg1,
224 &drm->channel);
225 if (ret) {
226 NV_ERROR(drm, "failed to create kernel channel, %d\n", ret);
227 nouveau_accel_fini(drm);
228 return;
229 }
230
231 ret = nvif_object_init(drm->channel->object, NULL, NVDRM_NVSW,
232 nouveau_abi16_swclass(drm), NULL, 0, &drm->nvsw);
233 if (ret == 0) {
234 struct nvkm_sw_chan *swch;
235 ret = RING_SPACE(drm->channel, 2);
236 if (ret == 0) {
237 if (device->info.family < NV_DEVICE_INFO_V0_FERMI) {
238 BEGIN_NV04(drm->channel, NvSubSw, 0, 1);
239 OUT_RING (drm->channel, NVDRM_NVSW);
240 } else
241 if (device->info.family < NV_DEVICE_INFO_V0_KEPLER) {
242 BEGIN_NVC0(drm->channel, FermiSw, 0, 1);
243 OUT_RING (drm->channel, 0x001f0000);
244 }
245 }
246 swch = (void *)nvxx_object(&drm->nvsw)->parent;
247 swch->flip = nouveau_flip_complete;
248 swch->flip_data = drm->channel;
249 }
250
251 if (ret) {
252 NV_ERROR(drm, "failed to allocate software object, %d\n", ret);
253 nouveau_accel_fini(drm);
254 return;
255 }
256
257 if (device->info.family < NV_DEVICE_INFO_V0_FERMI) {
258 ret = nvkm_gpuobj_new(nvxx_object(&drm->device), NULL, 32,
259 0, 0, &drm->notify);
260 if (ret) {
261 NV_ERROR(drm, "failed to allocate notifier, %d\n", ret);
262 nouveau_accel_fini(drm);
263 return;
264 }
265
266 ret = nvif_object_init(drm->channel->object, NULL, NvNotify0,
267 NV_DMA_IN_MEMORY,
268 &(struct nv_dma_v0) {
269 .target = NV_DMA_V0_TARGET_VRAM,
270 .access = NV_DMA_V0_ACCESS_RDWR,
271 .start = drm->notify->addr,
272 .limit = drm->notify->addr + 31
273 }, sizeof(struct nv_dma_v0),
274 &drm->ntfy);
275 if (ret) {
276 nouveau_accel_fini(drm);
277 return;
278 }
279 }
280
281
282 nouveau_bo_move_init(drm);
283 }
284
285 static int nouveau_drm_probe(struct pci_dev *pdev,
286 const struct pci_device_id *pent)
287 {
288 struct nvkm_device *device;
289 struct apertures_struct *aper;
290 bool boot = false;
291 int ret;
292
293 /* remove conflicting drivers (vesafb, efifb etc) */
294 aper = alloc_apertures(3);
295 if (!aper)
296 return -ENOMEM;
297
298 aper->ranges[0].base = pci_resource_start(pdev, 1);
299 aper->ranges[0].size = pci_resource_len(pdev, 1);
300 aper->count = 1;
301
302 if (pci_resource_len(pdev, 2)) {
303 aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
304 aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
305 aper->count++;
306 }
307
308 if (pci_resource_len(pdev, 3)) {
309 aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
310 aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
311 aper->count++;
312 }
313
314 #ifdef CONFIG_X86
315 boot = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
316 #endif
317 if (nouveau_modeset != 2)
318 remove_conflicting_framebuffers(aper, "nouveaufb", boot);
319 kfree(aper);
320
321 ret = nvkm_device_create(pdev, NVKM_BUS_PCI,
322 nouveau_pci_name(pdev), pci_name(pdev),
323 nouveau_config, nouveau_debug, &device);
324 if (ret)
325 return ret;
326
327 pci_set_master(pdev);
328
329 ret = drm_get_pci_dev(pdev, pent, &driver_pci);
330 if (ret) {
331 nvkm_object_ref(NULL, (struct nvkm_object **)&device);
332 return ret;
333 }
334
335 return 0;
336 }
337
338 #define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403
339
340 static void
341 nouveau_get_hdmi_dev(struct nouveau_drm *drm)
342 {
343 struct pci_dev *pdev = drm->dev->pdev;
344
345 if (!pdev) {
346 DRM_INFO("not a PCI device; no HDMI\n");
347 drm->hdmi_device = NULL;
348 return;
349 }
350
351 /* subfunction one is a hdmi audio device? */
352 drm->hdmi_device = pci_get_bus_and_slot((unsigned int)pdev->bus->number,
353 PCI_DEVFN(PCI_SLOT(pdev->devfn), 1));
354
355 if (!drm->hdmi_device) {
356 NV_DEBUG(drm, "hdmi device not found %d %d %d\n", pdev->bus->number, PCI_SLOT(pdev->devfn), 1);
357 return;
358 }
359
360 if ((drm->hdmi_device->class >> 8) != PCI_CLASS_MULTIMEDIA_HD_AUDIO) {
361 NV_DEBUG(drm, "possible hdmi device not audio %d\n", drm->hdmi_device->class);
362 pci_dev_put(drm->hdmi_device);
363 drm->hdmi_device = NULL;
364 return;
365 }
366 }
367
368 static int
369 nouveau_drm_load(struct drm_device *dev, unsigned long flags)
370 {
371 struct pci_dev *pdev = dev->pdev;
372 struct nouveau_drm *drm;
373 int ret;
374
375 ret = nouveau_cli_create(nouveau_name(dev), "DRM", sizeof(*drm),
376 (void **)&drm);
377 if (ret)
378 return ret;
379
380 dev->dev_private = drm;
381 drm->dev = dev;
382 nvxx_client(&drm->client.base)->debug =
383 nvkm_dbgopt(nouveau_debug, "DRM");
384
385 INIT_LIST_HEAD(&drm->clients);
386 spin_lock_init(&drm->tile.lock);
387
388 nouveau_get_hdmi_dev(drm);
389
390 /* make sure AGP controller is in a consistent state before we
391 * (possibly) execute vbios init tables (see nouveau_agp.h)
392 */
393 if (pdev && drm_pci_device_is_agp(dev) && dev->agp) {
394 const u64 enables = NV_DEVICE_V0_DISABLE_IDENTIFY |
395 NV_DEVICE_V0_DISABLE_MMIO;
396 /* dummy device object, doesn't init anything, but allows
397 * agp code access to registers
398 */
399 ret = nvif_device_init(&drm->client.base.base, NULL,
400 NVDRM_DEVICE, NV_DEVICE,
401 &(struct nv_device_v0) {
402 .device = ~0,
403 .disable = ~enables,
404 .debug0 = ~0,
405 }, sizeof(struct nv_device_v0),
406 &drm->device);
407 if (ret)
408 goto fail_device;
409
410 nouveau_agp_reset(drm);
411 nvif_device_fini(&drm->device);
412 }
413
414 ret = nvif_device_init(&drm->client.base.base, NULL, NVDRM_DEVICE,
415 NV_DEVICE,
416 &(struct nv_device_v0) {
417 .device = ~0,
418 .disable = 0,
419 .debug0 = 0,
420 }, sizeof(struct nv_device_v0),
421 &drm->device);
422 if (ret)
423 goto fail_device;
424
425 dev->irq_enabled = true;
426
427 /* workaround an odd issue on nvc1 by disabling the device's
428 * nosnoop capability. hopefully won't cause issues until a
429 * better fix is found - assuming there is one...
430 */
431 if (drm->device.info.chipset == 0xc1)
432 nvif_mask(&drm->device, 0x00088080, 0x00000800, 0x00000000);
433
434 nouveau_vga_init(drm);
435 nouveau_agp_init(drm);
436
437 if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
438 ret = nvkm_vm_new(nvxx_device(&drm->device), 0, (1ULL << 40),
439 0x1000, &drm->client.vm);
440 if (ret)
441 goto fail_device;
442
443 nvxx_client(&drm->client.base)->vm = drm->client.vm;
444 }
445
446 ret = nouveau_ttm_init(drm);
447 if (ret)
448 goto fail_ttm;
449
450 ret = nouveau_bios_init(dev);
451 if (ret)
452 goto fail_bios;
453
454 ret = nouveau_display_create(dev);
455 if (ret)
456 goto fail_dispctor;
457
458 if (dev->mode_config.num_crtc) {
459 ret = nouveau_display_init(dev);
460 if (ret)
461 goto fail_dispinit;
462 }
463
464 nouveau_sysfs_init(dev);
465 nouveau_hwmon_init(dev);
466 nouveau_accel_init(drm);
467 nouveau_fbcon_init(dev);
468
469 if (nouveau_runtime_pm != 0) {
470 pm_runtime_use_autosuspend(dev->dev);
471 pm_runtime_set_autosuspend_delay(dev->dev, 5000);
472 pm_runtime_set_active(dev->dev);
473 pm_runtime_allow(dev->dev);
474 pm_runtime_mark_last_busy(dev->dev);
475 pm_runtime_put(dev->dev);
476 }
477 return 0;
478
479 fail_dispinit:
480 nouveau_display_destroy(dev);
481 fail_dispctor:
482 nouveau_bios_takedown(dev);
483 fail_bios:
484 nouveau_ttm_fini(drm);
485 fail_ttm:
486 nouveau_agp_fini(drm);
487 nouveau_vga_fini(drm);
488 fail_device:
489 nvif_device_fini(&drm->device);
490 nouveau_cli_destroy(&drm->client);
491 return ret;
492 }
493
494 static int
495 nouveau_drm_unload(struct drm_device *dev)
496 {
497 struct nouveau_drm *drm = nouveau_drm(dev);
498
499 pm_runtime_get_sync(dev->dev);
500 nouveau_fbcon_fini(dev);
501 nouveau_accel_fini(drm);
502 nouveau_hwmon_fini(dev);
503 nouveau_sysfs_fini(dev);
504
505 if (dev->mode_config.num_crtc)
506 nouveau_display_fini(dev);
507 nouveau_display_destroy(dev);
508
509 nouveau_bios_takedown(dev);
510
511 nouveau_ttm_fini(drm);
512 nouveau_agp_fini(drm);
513 nouveau_vga_fini(drm);
514
515 nvif_device_fini(&drm->device);
516 if (drm->hdmi_device)
517 pci_dev_put(drm->hdmi_device);
518 nouveau_cli_destroy(&drm->client);
519 return 0;
520 }
521
522 void
523 nouveau_drm_device_remove(struct drm_device *dev)
524 {
525 struct nouveau_drm *drm = nouveau_drm(dev);
526 struct nvkm_client *client;
527 struct nvkm_object *device;
528
529 dev->irq_enabled = false;
530 client = nvxx_client(&drm->client.base);
531 device = client->device;
532 drm_put_dev(dev);
533
534 nvkm_object_ref(NULL, &device);
535 nvkm_object_debug();
536 }
537
538 static void
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
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
616 static int
617 nouveau_do_resume(struct drm_device *dev, bool runtime)
618 {
619 struct nouveau_drm *drm = nouveau_drm(dev);
620 struct nouveau_cli *cli;
621
622 NV_INFO(drm, "re-enabling device...\n");
623
624 nouveau_agp_reset(drm);
625
626 NV_INFO(drm, "resuming kernel object tree...\n");
627 nvif_client_resume(&drm->client.base);
628 nouveau_agp_init(drm);
629
630 NV_INFO(drm, "resuming client object trees...\n");
631 if (drm->fence && nouveau_fence(drm)->resume)
632 nouveau_fence(drm)->resume(drm);
633
634 list_for_each_entry(cli, &drm->clients, head) {
635 nvif_client_resume(&cli->base);
636 }
637
638 nouveau_run_vbios_init(dev);
639
640 if (dev->mode_config.num_crtc) {
641 NV_INFO(drm, "resuming display...\n");
642 nouveau_display_resume(dev, runtime);
643 NV_INFO(drm, "resuming console...\n");
644 nouveau_fbcon_set_suspend(dev, 0);
645 }
646
647 return 0;
648 }
649
650 int
651 nouveau_pmops_suspend(struct device *dev)
652 {
653 struct pci_dev *pdev = to_pci_dev(dev);
654 struct drm_device *drm_dev = pci_get_drvdata(pdev);
655 int ret;
656
657 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
658 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
659 return 0;
660
661 ret = nouveau_do_suspend(drm_dev, false);
662 if (ret)
663 return ret;
664
665 pci_save_state(pdev);
666 pci_disable_device(pdev);
667 pci_set_power_state(pdev, PCI_D3hot);
668 return 0;
669 }
670
671 int
672 nouveau_pmops_resume(struct device *dev)
673 {
674 struct pci_dev *pdev = to_pci_dev(dev);
675 struct drm_device *drm_dev = pci_get_drvdata(pdev);
676 int ret;
677
678 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
679 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
680 return 0;
681
682 pci_set_power_state(pdev, PCI_D0);
683 pci_restore_state(pdev);
684 ret = pci_enable_device(pdev);
685 if (ret)
686 return ret;
687 pci_set_master(pdev);
688
689 return nouveau_do_resume(drm_dev, false);
690 }
691
692 static int
693 nouveau_pmops_freeze(struct device *dev)
694 {
695 struct pci_dev *pdev = to_pci_dev(dev);
696 struct drm_device *drm_dev = pci_get_drvdata(pdev);
697 return nouveau_do_suspend(drm_dev, false);
698 }
699
700 static int
701 nouveau_pmops_thaw(struct device *dev)
702 {
703 struct pci_dev *pdev = to_pci_dev(dev);
704 struct drm_device *drm_dev = pci_get_drvdata(pdev);
705 return nouveau_do_resume(drm_dev, false);
706 }
707
708 static int
709 nouveau_pmops_runtime_suspend(struct device *dev)
710 {
711 struct pci_dev *pdev = to_pci_dev(dev);
712 struct drm_device *drm_dev = pci_get_drvdata(pdev);
713 int ret;
714
715 if (nouveau_runtime_pm == 0) {
716 pm_runtime_forbid(dev);
717 return -EBUSY;
718 }
719
720 /* are we optimus enabled? */
721 if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) {
722 DRM_DEBUG_DRIVER("failing to power off - not optimus\n");
723 pm_runtime_forbid(dev);
724 return -EBUSY;
725 }
726
727 nv_debug_level(SILENT);
728 drm_kms_helper_poll_disable(drm_dev);
729 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF);
730 nouveau_switcheroo_optimus_dsm();
731 ret = nouveau_do_suspend(drm_dev, true);
732 pci_save_state(pdev);
733 pci_disable_device(pdev);
734 pci_ignore_hotplug(pdev);
735 pci_set_power_state(pdev, PCI_D3cold);
736 drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
737 return ret;
738 }
739
740 static int
741 nouveau_pmops_runtime_resume(struct device *dev)
742 {
743 struct pci_dev *pdev = to_pci_dev(dev);
744 struct drm_device *drm_dev = pci_get_drvdata(pdev);
745 struct nvif_device *device = &nouveau_drm(drm_dev)->device;
746 int ret;
747
748 if (nouveau_runtime_pm == 0)
749 return -EINVAL;
750
751 pci_set_power_state(pdev, PCI_D0);
752 pci_restore_state(pdev);
753 ret = pci_enable_device(pdev);
754 if (ret)
755 return ret;
756 pci_set_master(pdev);
757
758 ret = nouveau_do_resume(drm_dev, true);
759 drm_kms_helper_poll_enable(drm_dev);
760 /* do magic */
761 nvif_mask(device, 0x88488, (1 << 25), (1 << 25));
762 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON);
763 drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
764 nv_debug_level(NORMAL);
765 return ret;
766 }
767
768 static int
769 nouveau_pmops_runtime_idle(struct device *dev)
770 {
771 struct pci_dev *pdev = to_pci_dev(dev);
772 struct drm_device *drm_dev = pci_get_drvdata(pdev);
773 struct nouveau_drm *drm = nouveau_drm(drm_dev);
774 struct drm_crtc *crtc;
775
776 if (nouveau_runtime_pm == 0) {
777 pm_runtime_forbid(dev);
778 return -EBUSY;
779 }
780
781 /* are we optimus enabled? */
782 if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) {
783 DRM_DEBUG_DRIVER("failing to power off - not optimus\n");
784 pm_runtime_forbid(dev);
785 return -EBUSY;
786 }
787
788 /* if we have a hdmi audio device - make sure it has a driver loaded */
789 if (drm->hdmi_device) {
790 if (!drm->hdmi_device->driver) {
791 DRM_DEBUG_DRIVER("failing to power off - no HDMI audio driver loaded\n");
792 pm_runtime_mark_last_busy(dev);
793 return -EBUSY;
794 }
795 }
796
797 list_for_each_entry(crtc, &drm->dev->mode_config.crtc_list, head) {
798 if (crtc->enabled) {
799 DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
800 return -EBUSY;
801 }
802 }
803 pm_runtime_mark_last_busy(dev);
804 pm_runtime_autosuspend(dev);
805 /* we don't want the main rpm_idle to call suspend - we want to autosuspend */
806 return 1;
807 }
808
809 static int
810 nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
811 {
812 struct nouveau_drm *drm = nouveau_drm(dev);
813 struct nouveau_cli *cli;
814 char name[32], tmpname[TASK_COMM_LEN];
815 int ret;
816
817 /* need to bring up power immediately if opening device */
818 ret = pm_runtime_get_sync(dev->dev);
819 if (ret < 0 && ret != -EACCES)
820 return ret;
821
822 get_task_comm(tmpname, current);
823 snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
824
825 ret = nouveau_cli_create(nouveau_name(dev), name, sizeof(*cli),
826 (void **)&cli);
827
828 if (ret)
829 goto out_suspend;
830
831 cli->base.super = false;
832
833 if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
834 ret = nvkm_vm_new(nvxx_device(&drm->device), 0, (1ULL << 40),
835 0x1000, &cli->vm);
836 if (ret) {
837 nouveau_cli_destroy(cli);
838 goto out_suspend;
839 }
840
841 nvxx_client(&cli->base)->vm = cli->vm;
842 }
843
844 fpriv->driver_priv = cli;
845
846 mutex_lock(&drm->client.mutex);
847 list_add(&cli->head, &drm->clients);
848 mutex_unlock(&drm->client.mutex);
849
850 out_suspend:
851 pm_runtime_mark_last_busy(dev->dev);
852 pm_runtime_put_autosuspend(dev->dev);
853
854 return ret;
855 }
856
857 static void
858 nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv)
859 {
860 struct nouveau_cli *cli = nouveau_cli(fpriv);
861 struct nouveau_drm *drm = nouveau_drm(dev);
862
863 pm_runtime_get_sync(dev->dev);
864
865 if (cli->abi16)
866 nouveau_abi16_fini(cli->abi16);
867
868 mutex_lock(&drm->client.mutex);
869 list_del(&cli->head);
870 mutex_unlock(&drm->client.mutex);
871
872 }
873
874 static void
875 nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv)
876 {
877 struct nouveau_cli *cli = nouveau_cli(fpriv);
878 nouveau_cli_destroy(cli);
879 pm_runtime_mark_last_busy(dev->dev);
880 pm_runtime_put_autosuspend(dev->dev);
881 }
882
883 static const struct drm_ioctl_desc
884 nouveau_ioctls[] = {
885 DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
886 DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_UNLOCKED|DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
887 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
888 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
889 DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
890 DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
891 DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
892 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
893 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
894 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
895 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
896 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
897 };
898
899 long
900 nouveau_drm_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
901 {
902 struct drm_file *filp = file->private_data;
903 struct drm_device *dev = filp->minor->dev;
904 long ret;
905
906 ret = pm_runtime_get_sync(dev->dev);
907 if (ret < 0 && ret != -EACCES)
908 return ret;
909
910 switch (_IOC_NR(cmd) - DRM_COMMAND_BASE) {
911 case DRM_NOUVEAU_NVIF:
912 ret = usif_ioctl(filp, (void __user *)arg, _IOC_SIZE(cmd));
913 break;
914 default:
915 ret = drm_ioctl(file, cmd, arg);
916 break;
917 }
918
919 pm_runtime_mark_last_busy(dev->dev);
920 pm_runtime_put_autosuspend(dev->dev);
921 return ret;
922 }
923
924 static const struct file_operations
925 nouveau_driver_fops = {
926 .owner = THIS_MODULE,
927 .open = drm_open,
928 .release = drm_release,
929 .unlocked_ioctl = nouveau_drm_ioctl,
930 .mmap = nouveau_ttm_mmap,
931 .poll = drm_poll,
932 .read = drm_read,
933 #if defined(CONFIG_COMPAT)
934 .compat_ioctl = nouveau_compat_ioctl,
935 #endif
936 .llseek = noop_llseek,
937 };
938
939 static struct drm_driver
940 driver_stub = {
941 .driver_features =
942 DRIVER_USE_AGP |
943 DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER,
944
945 .load = nouveau_drm_load,
946 .unload = nouveau_drm_unload,
947 .open = nouveau_drm_open,
948 .preclose = nouveau_drm_preclose,
949 .postclose = nouveau_drm_postclose,
950 .lastclose = nouveau_vga_lastclose,
951
952 #if defined(CONFIG_DEBUG_FS)
953 .debugfs_init = nouveau_debugfs_init,
954 .debugfs_cleanup = nouveau_debugfs_takedown,
955 #endif
956
957 .get_vblank_counter = drm_vblank_count,
958 .enable_vblank = nouveau_display_vblank_enable,
959 .disable_vblank = nouveau_display_vblank_disable,
960 .get_scanout_position = nouveau_display_scanoutpos,
961 .get_vblank_timestamp = nouveau_display_vblstamp,
962
963 .ioctls = nouveau_ioctls,
964 .num_ioctls = ARRAY_SIZE(nouveau_ioctls),
965 .fops = &nouveau_driver_fops,
966
967 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
968 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
969 .gem_prime_export = drm_gem_prime_export,
970 .gem_prime_import = drm_gem_prime_import,
971 .gem_prime_pin = nouveau_gem_prime_pin,
972 .gem_prime_res_obj = nouveau_gem_prime_res_obj,
973 .gem_prime_unpin = nouveau_gem_prime_unpin,
974 .gem_prime_get_sg_table = nouveau_gem_prime_get_sg_table,
975 .gem_prime_import_sg_table = nouveau_gem_prime_import_sg_table,
976 .gem_prime_vmap = nouveau_gem_prime_vmap,
977 .gem_prime_vunmap = nouveau_gem_prime_vunmap,
978
979 .gem_free_object = nouveau_gem_object_del,
980 .gem_open_object = nouveau_gem_object_open,
981 .gem_close_object = nouveau_gem_object_close,
982
983 .dumb_create = nouveau_display_dumb_create,
984 .dumb_map_offset = nouveau_display_dumb_map_offset,
985 .dumb_destroy = drm_gem_dumb_destroy,
986
987 .name = DRIVER_NAME,
988 .desc = DRIVER_DESC,
989 #ifdef GIT_REVISION
990 .date = GIT_REVISION,
991 #else
992 .date = DRIVER_DATE,
993 #endif
994 .major = DRIVER_MAJOR,
995 .minor = DRIVER_MINOR,
996 .patchlevel = DRIVER_PATCHLEVEL,
997 };
998
999 static struct pci_device_id
1000 nouveau_drm_pci_table[] = {
1001 {
1002 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
1003 .class = PCI_BASE_CLASS_DISPLAY << 16,
1004 .class_mask = 0xff << 16,
1005 },
1006 {
1007 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
1008 .class = PCI_BASE_CLASS_DISPLAY << 16,
1009 .class_mask = 0xff << 16,
1010 },
1011 {}
1012 };
1013
1014 static void nouveau_display_options(void)
1015 {
1016 DRM_DEBUG_DRIVER("Loading Nouveau with parameters:\n");
1017
1018 DRM_DEBUG_DRIVER("... tv_disable : %d\n", nouveau_tv_disable);
1019 DRM_DEBUG_DRIVER("... ignorelid : %d\n", nouveau_ignorelid);
1020 DRM_DEBUG_DRIVER("... duallink : %d\n", nouveau_duallink);
1021 DRM_DEBUG_DRIVER("... nofbaccel : %d\n", nouveau_nofbaccel);
1022 DRM_DEBUG_DRIVER("... config : %s\n", nouveau_config);
1023 DRM_DEBUG_DRIVER("... debug : %s\n", nouveau_debug);
1024 DRM_DEBUG_DRIVER("... noaccel : %d\n", nouveau_noaccel);
1025 DRM_DEBUG_DRIVER("... modeset : %d\n", nouveau_modeset);
1026 DRM_DEBUG_DRIVER("... runpm : %d\n", nouveau_runtime_pm);
1027 DRM_DEBUG_DRIVER("... vram_pushbuf : %d\n", nouveau_vram_pushbuf);
1028 DRM_DEBUG_DRIVER("... pstate : %d\n", nouveau_pstate);
1029 }
1030
1031 static const struct dev_pm_ops nouveau_pm_ops = {
1032 .suspend = nouveau_pmops_suspend,
1033 .resume = nouveau_pmops_resume,
1034 .freeze = nouveau_pmops_freeze,
1035 .thaw = nouveau_pmops_thaw,
1036 .poweroff = nouveau_pmops_freeze,
1037 .restore = nouveau_pmops_resume,
1038 .runtime_suspend = nouveau_pmops_runtime_suspend,
1039 .runtime_resume = nouveau_pmops_runtime_resume,
1040 .runtime_idle = nouveau_pmops_runtime_idle,
1041 };
1042
1043 static struct pci_driver
1044 nouveau_drm_pci_driver = {
1045 .name = "nouveau",
1046 .id_table = nouveau_drm_pci_table,
1047 .probe = nouveau_drm_probe,
1048 .remove = nouveau_drm_remove,
1049 .driver.pm = &nouveau_pm_ops,
1050 };
1051
1052 struct drm_device *
1053 nouveau_platform_device_create_(struct platform_device *pdev, int size,
1054 void **pobject)
1055 {
1056 struct drm_device *drm;
1057 int err;
1058
1059 err = nvkm_device_create_(pdev, NVKM_BUS_PLATFORM,
1060 nouveau_platform_name(pdev),
1061 dev_name(&pdev->dev), nouveau_config,
1062 nouveau_debug, size, pobject);
1063 if (err)
1064 return ERR_PTR(err);
1065
1066 drm = drm_dev_alloc(&driver_platform, &pdev->dev);
1067 if (!drm) {
1068 err = -ENOMEM;
1069 goto err_free;
1070 }
1071
1072 err = drm_dev_set_unique(drm, "%s", dev_name(&pdev->dev));
1073 if (err < 0)
1074 goto err_free;
1075
1076 drm->platformdev = pdev;
1077 platform_set_drvdata(pdev, drm);
1078
1079 return drm;
1080
1081 err_free:
1082 nvkm_object_ref(NULL, (struct nvkm_object **)pobject);
1083
1084 return ERR_PTR(err);
1085 }
1086
1087 static int __init
1088 nouveau_drm_init(void)
1089 {
1090 driver_pci = driver_stub;
1091 driver_pci.set_busid = drm_pci_set_busid;
1092 driver_platform = driver_stub;
1093 driver_platform.set_busid = drm_platform_set_busid;
1094
1095 nouveau_display_options();
1096
1097 if (nouveau_modeset == -1) {
1098 #ifdef CONFIG_VGA_CONSOLE
1099 if (vgacon_text_force())
1100 nouveau_modeset = 0;
1101 #endif
1102 }
1103
1104 if (!nouveau_modeset)
1105 return 0;
1106
1107 #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER
1108 platform_driver_register(&nouveau_platform_driver);
1109 #endif
1110
1111 nouveau_register_dsm_handler();
1112 return drm_pci_init(&driver_pci, &nouveau_drm_pci_driver);
1113 }
1114
1115 static void __exit
1116 nouveau_drm_exit(void)
1117 {
1118 if (!nouveau_modeset)
1119 return;
1120
1121 drm_pci_exit(&driver_pci, &nouveau_drm_pci_driver);
1122 nouveau_unregister_dsm_handler();
1123
1124 #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER
1125 platform_driver_unregister(&nouveau_platform_driver);
1126 #endif
1127 }
1128
1129 module_init(nouveau_drm_init);
1130 module_exit(nouveau_drm_exit);
1131
1132 MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table);
1133 MODULE_AUTHOR(DRIVER_AUTHOR);
1134 MODULE_DESCRIPTION(DRIVER_DESC);
1135 MODULE_LICENSE("GPL and additional rights");
Linux with added FPC-III support