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Linux 4.2.1
[linux/fpc-iii.git] / drivers / gpu / drm / nouveau / nouveau_drm.c
blob477cbb12809b029c2de6d62bdd0bcb3ba415001c
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/delay.h>
27 #include <linux/module.h>
28 #include <linux/pci.h>
29 #include <linux/pm_runtime.h>
30 #include <linux/vga_switcheroo.h>
31
32 #include "drmP.h"
33 #include "drm_crtc_helper.h"
34
35 #include <core/device.h>
36 #include <core/gpuobj.h>
37 #include <core/option.h>
38
39 #include "nouveau_drm.h"
40 #include "nouveau_dma.h"
41 #include "nouveau_ttm.h"
42 #include "nouveau_gem.h"
43 #include "nouveau_agp.h"
44 #include "nouveau_vga.h"
45 #include "nouveau_sysfs.h"
46 #include "nouveau_hwmon.h"
47 #include "nouveau_acpi.h"
48 #include "nouveau_bios.h"
49 #include "nouveau_ioctl.h"
50 #include "nouveau_abi16.h"
51 #include "nouveau_fbcon.h"
52 #include "nouveau_fence.h"
53 #include "nouveau_debugfs.h"
54 #include "nouveau_usif.h"
55 #include "nouveau_connector.h"
56 #include "nouveau_platform.h"
57
58 MODULE_PARM_DESC(config, "option string to pass to driver core");
59 static char *nouveau_config;
60 module_param_named(config, nouveau_config, charp, 0400);
61
62 MODULE_PARM_DESC(debug, "debug string to pass to driver core");
63 static char *nouveau_debug;
64 module_param_named(debug, nouveau_debug, charp, 0400);
65
66 MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration");
67 static int nouveau_noaccel = 0;
68 module_param_named(noaccel, nouveau_noaccel, int, 0400);
69
70 MODULE_PARM_DESC(modeset, "enable driver (default: auto, "
71 "0 = disabled, 1 = enabled, 2 = headless)");
72 int nouveau_modeset = -1;
73 module_param_named(modeset, nouveau_modeset, int, 0400);
74
75 MODULE_PARM_DESC(runpm, "disable (0), force enable (1), optimus only default (-1)");
76 int nouveau_runtime_pm = -1;
77 module_param_named(runpm, nouveau_runtime_pm, int, 0400);
78
79 static struct drm_driver driver_stub;
80 static struct drm_driver driver_pci;
81 static struct drm_driver driver_platform;
82
83 static u64
84 nouveau_pci_name(struct pci_dev *pdev)
85 {
86 u64 name = (u64)pci_domain_nr(pdev->bus) << 32;
87 name |= pdev->bus->number << 16;
88 name |= PCI_SLOT(pdev->devfn) << 8;
89 return name | PCI_FUNC(pdev->devfn);
90 }
91
92 static u64
93 nouveau_platform_name(struct platform_device *platformdev)
94 {
95 return platformdev->id;
96 }
97
98 static u64
99 nouveau_name(struct drm_device *dev)
100 {
101 if (dev->pdev)
102 return nouveau_pci_name(dev->pdev);
103 else
104 return nouveau_platform_name(dev->platformdev);
105 }
106
107 static int
108 nouveau_cli_create(u64 name, const char *sname,
109 int size, void **pcli)
110 {
111 struct nouveau_cli *cli = *pcli = kzalloc(size, GFP_KERNEL);
112 if (cli) {
113 int ret = nvif_client_init(NULL, NULL, sname, name,
114 nouveau_config, nouveau_debug,
115 &cli->base);
116 if (ret == 0) {
117 mutex_init(&cli->mutex);
118 usif_client_init(cli);
119 }
120 return ret;
121 }
122 return -ENOMEM;
123 }
124
125 static void
126 nouveau_cli_destroy(struct nouveau_cli *cli)
127 {
128 nvkm_vm_ref(NULL, &nvxx_client(&cli->base)->vm, NULL);
129 nvif_client_fini(&cli->base);
130 usif_client_fini(cli);
131 kfree(cli);
132 }
133
134 static void
135 nouveau_accel_fini(struct nouveau_drm *drm)
136 {
137 nouveau_channel_del(&drm->channel);
138 nvif_object_fini(&drm->ntfy);
139 nvkm_gpuobj_ref(NULL, &drm->notify);
140 nvif_object_fini(&drm->nvsw);
141 nouveau_channel_del(&drm->cechan);
142 nvif_object_fini(&drm->ttm.copy);
143 if (drm->fence)
144 nouveau_fence(drm)->dtor(drm);
145 }
146
147 static void
148 nouveau_accel_init(struct nouveau_drm *drm)
149 {
150 struct nvif_device *device = &drm->device;
151 u32 arg0, arg1;
152 u32 sclass[16];
153 int ret, i;
154
155 if (nouveau_noaccel)
156 return;
157
158 /* initialise synchronisation routines */
159 /*XXX: this is crap, but the fence/channel stuff is a little
160 * backwards in some places. this will be fixed.
161 */
162 ret = nvif_object_sclass(&device->base, sclass, ARRAY_SIZE(sclass));
163 if (ret < 0)
164 return;
165
166 for (ret = -ENOSYS, i = 0; ret && i < ARRAY_SIZE(sclass); i++) {
167 switch (sclass[i]) {
168 case NV03_CHANNEL_DMA:
169 ret = nv04_fence_create(drm);
170 break;
171 case NV10_CHANNEL_DMA:
172 ret = nv10_fence_create(drm);
173 break;
174 case NV17_CHANNEL_DMA:
175 case NV40_CHANNEL_DMA:
176 ret = nv17_fence_create(drm);
177 break;
178 case NV50_CHANNEL_GPFIFO:
179 ret = nv50_fence_create(drm);
180 break;
181 case G82_CHANNEL_GPFIFO:
182 ret = nv84_fence_create(drm);
183 break;
184 case FERMI_CHANNEL_GPFIFO:
185 case KEPLER_CHANNEL_GPFIFO_A:
186 case MAXWELL_CHANNEL_GPFIFO_A:
187 ret = nvc0_fence_create(drm);
188 break;
189 default:
190 break;
191 }
192 }
193
194 if (ret) {
195 NV_ERROR(drm, "failed to initialise sync subsystem, %d\n", ret);
196 nouveau_accel_fini(drm);
197 return;
198 }
199
200 if (device->info.family >= NV_DEVICE_INFO_V0_KEPLER) {
201 ret = nouveau_channel_new(drm, &drm->device, NVDRM_CHAN + 1,
202 KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_CE0|
203 KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_CE1,
204 0, &drm->cechan);
205 if (ret)
206 NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
207
208 arg0 = KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_GR;
209 arg1 = 1;
210 } else
211 if (device->info.chipset >= 0xa3 &&
212 device->info.chipset != 0xaa &&
213 device->info.chipset != 0xac) {
214 ret = nouveau_channel_new(drm, &drm->device, NVDRM_CHAN + 1,
215 NvDmaFB, NvDmaTT, &drm->cechan);
216 if (ret)
217 NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
218
219 arg0 = NvDmaFB;
220 arg1 = NvDmaTT;
221 } else {
222 arg0 = NvDmaFB;
223 arg1 = NvDmaTT;
224 }
225
226 ret = nouveau_channel_new(drm, &drm->device, NVDRM_CHAN, arg0, arg1,
227 &drm->channel);
228 if (ret) {
229 NV_ERROR(drm, "failed to create kernel channel, %d\n", ret);
230 nouveau_accel_fini(drm);
231 return;
232 }
233
234 ret = nvif_object_init(drm->channel->object, NULL, NVDRM_NVSW,
235 nouveau_abi16_swclass(drm), NULL, 0, &drm->nvsw);
236 if (ret == 0) {
237 struct nvkm_sw_chan *swch;
238 ret = RING_SPACE(drm->channel, 2);
239 if (ret == 0) {
240 if (device->info.family < NV_DEVICE_INFO_V0_FERMI) {
241 BEGIN_NV04(drm->channel, NvSubSw, 0, 1);
242 OUT_RING (drm->channel, NVDRM_NVSW);
243 } else
244 if (device->info.family < NV_DEVICE_INFO_V0_KEPLER) {
245 BEGIN_NVC0(drm->channel, FermiSw, 0, 1);
246 OUT_RING (drm->channel, 0x001f0000);
247 }
248 }
249 swch = (void *)nvxx_object(&drm->nvsw)->parent;
250 swch->flip = nouveau_flip_complete;
251 swch->flip_data = drm->channel;
252 }
253
254 if (ret) {
255 NV_ERROR(drm, "failed to allocate software object, %d\n", ret);
256 nouveau_accel_fini(drm);
257 return;
258 }
259
260 if (device->info.family < NV_DEVICE_INFO_V0_FERMI) {
261 ret = nvkm_gpuobj_new(nvxx_object(&drm->device), NULL, 32,
262 0, 0, &drm->notify);
263 if (ret) {
264 NV_ERROR(drm, "failed to allocate notifier, %d\n", ret);
265 nouveau_accel_fini(drm);
266 return;
267 }
268
269 ret = nvif_object_init(drm->channel->object, NULL, NvNotify0,
270 NV_DMA_IN_MEMORY,
271 &(struct nv_dma_v0) {
272 .target = NV_DMA_V0_TARGET_VRAM,
273 .access = NV_DMA_V0_ACCESS_RDWR,
274 .start = drm->notify->addr,
275 .limit = drm->notify->addr + 31
276 }, sizeof(struct nv_dma_v0),
277 &drm->ntfy);
278 if (ret) {
279 nouveau_accel_fini(drm);
280 return;
281 }
282 }
283
284
285 nouveau_bo_move_init(drm);
286 }
287
288 static int nouveau_drm_probe(struct pci_dev *pdev,
289 const struct pci_device_id *pent)
290 {
291 struct nvkm_device *device;
292 struct apertures_struct *aper;
293 bool boot = false;
294 int ret;
295
296 /* remove conflicting drivers (vesafb, efifb etc) */
297 aper = alloc_apertures(3);
298 if (!aper)
299 return -ENOMEM;
300
301 aper->ranges[0].base = pci_resource_start(pdev, 1);
302 aper->ranges[0].size = pci_resource_len(pdev, 1);
303 aper->count = 1;
304
305 if (pci_resource_len(pdev, 2)) {
306 aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
307 aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
308 aper->count++;
309 }
310
311 if (pci_resource_len(pdev, 3)) {
312 aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
313 aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
314 aper->count++;
315 }
316
317 #ifdef CONFIG_X86
318 boot = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
319 #endif
320 if (nouveau_modeset != 2)
321 remove_conflicting_framebuffers(aper, "nouveaufb", boot);
322 kfree(aper);
323
324 ret = nvkm_device_create(pdev, NVKM_BUS_PCI,
325 nouveau_pci_name(pdev), pci_name(pdev),
326 nouveau_config, nouveau_debug, &device);
327 if (ret)
328 return ret;
329
330 pci_set_master(pdev);
331
332 ret = drm_get_pci_dev(pdev, pent, &driver_pci);
333 if (ret) {
334 nvkm_object_ref(NULL, (struct nvkm_object **)&device);
335 return ret;
336 }
337
338 return 0;
339 }
340
341 #define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403
342
343 static void
344 nouveau_get_hdmi_dev(struct nouveau_drm *drm)
345 {
346 struct pci_dev *pdev = drm->dev->pdev;
347
348 if (!pdev) {
349 DRM_INFO("not a PCI device; no HDMI\n");
350 drm->hdmi_device = NULL;
351 return;
352 }
353
354 /* subfunction one is a hdmi audio device? */
355 drm->hdmi_device = pci_get_bus_and_slot((unsigned int)pdev->bus->number,
356 PCI_DEVFN(PCI_SLOT(pdev->devfn), 1));
357
358 if (!drm->hdmi_device) {
359 NV_DEBUG(drm, "hdmi device not found %d %d %d\n", pdev->bus->number, PCI_SLOT(pdev->devfn), 1);
360 return;
361 }
362
363 if ((drm->hdmi_device->class >> 8) != PCI_CLASS_MULTIMEDIA_HD_AUDIO) {
364 NV_DEBUG(drm, "possible hdmi device not audio %d\n", drm->hdmi_device->class);
365 pci_dev_put(drm->hdmi_device);
366 drm->hdmi_device = NULL;
367 return;
368 }
369 }
370
371 static int
372 nouveau_drm_load(struct drm_device *dev, unsigned long flags)
373 {
374 struct pci_dev *pdev = dev->pdev;
375 struct nouveau_drm *drm;
376 int ret;
377
378 ret = nouveau_cli_create(nouveau_name(dev), "DRM", sizeof(*drm),
379 (void **)&drm);
380 if (ret)
381 return ret;
382
383 dev->dev_private = drm;
384 drm->dev = dev;
385 nvxx_client(&drm->client.base)->debug =
386 nvkm_dbgopt(nouveau_debug, "DRM");
387
388 INIT_LIST_HEAD(&drm->clients);
389 spin_lock_init(&drm->tile.lock);
390
391 nouveau_get_hdmi_dev(drm);
392
393 /* make sure AGP controller is in a consistent state before we
394 * (possibly) execute vbios init tables (see nouveau_agp.h)
395 */
396 if (pdev && drm_pci_device_is_agp(dev) && dev->agp) {
397 const u64 enables = NV_DEVICE_V0_DISABLE_IDENTIFY |
398 NV_DEVICE_V0_DISABLE_MMIO;
399 /* dummy device object, doesn't init anything, but allows
400 * agp code access to registers
401 */
402 ret = nvif_device_init(&drm->client.base.base, NULL,
403 NVDRM_DEVICE, NV_DEVICE,
404 &(struct nv_device_v0) {
405 .device = ~0,
406 .disable = ~enables,
407 .debug0 = ~0,
408 }, sizeof(struct nv_device_v0),
409 &drm->device);
410 if (ret)
411 goto fail_device;
412
413 nouveau_agp_reset(drm);
414 nvif_device_fini(&drm->device);
415 }
416
417 ret = nvif_device_init(&drm->client.base.base, NULL, NVDRM_DEVICE,
418 NV_DEVICE,
419 &(struct nv_device_v0) {
420 .device = ~0,
421 .disable = 0,
422 .debug0 = 0,
423 }, sizeof(struct nv_device_v0),
424 &drm->device);
425 if (ret)
426 goto fail_device;
427
428 dev->irq_enabled = true;
429
430 /* workaround an odd issue on nvc1 by disabling the device's
431 * nosnoop capability. hopefully won't cause issues until a
432 * better fix is found - assuming there is one...
433 */
434 if (drm->device.info.chipset == 0xc1)
435 nvif_mask(&drm->device, 0x00088080, 0x00000800, 0x00000000);
436
437 nouveau_vga_init(drm);
438 nouveau_agp_init(drm);
439
440 if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
441 ret = nvkm_vm_new(nvxx_device(&drm->device), 0, (1ULL << 40),
442 0x1000, &drm->client.vm);
443 if (ret)
444 goto fail_device;
445
446 nvxx_client(&drm->client.base)->vm = drm->client.vm;
447 }
448
449 ret = nouveau_ttm_init(drm);
450 if (ret)
451 goto fail_ttm;
452
453 ret = nouveau_bios_init(dev);
454 if (ret)
455 goto fail_bios;
456
457 ret = nouveau_display_create(dev);
458 if (ret)
459 goto fail_dispctor;
460
461 if (dev->mode_config.num_crtc) {
462 ret = nouveau_display_init(dev);
463 if (ret)
464 goto fail_dispinit;
465 }
466
467 nouveau_sysfs_init(dev);
468 nouveau_hwmon_init(dev);
469 nouveau_accel_init(drm);
470 nouveau_fbcon_init(dev);
471
472 if (nouveau_runtime_pm != 0) {
473 pm_runtime_use_autosuspend(dev->dev);
474 pm_runtime_set_autosuspend_delay(dev->dev, 5000);
475 pm_runtime_set_active(dev->dev);
476 pm_runtime_allow(dev->dev);
477 pm_runtime_mark_last_busy(dev->dev);
478 pm_runtime_put(dev->dev);
479 }
480 return 0;
481
482 fail_dispinit:
483 nouveau_display_destroy(dev);
484 fail_dispctor:
485 nouveau_bios_takedown(dev);
486 fail_bios:
487 nouveau_ttm_fini(drm);
488 fail_ttm:
489 nouveau_agp_fini(drm);
490 nouveau_vga_fini(drm);
491 fail_device:
492 nvif_device_fini(&drm->device);
493 nouveau_cli_destroy(&drm->client);
494 return ret;
495 }
496
497 static int
498 nouveau_drm_unload(struct drm_device *dev)
499 {
500 struct nouveau_drm *drm = nouveau_drm(dev);
501
502 pm_runtime_get_sync(dev->dev);
503 nouveau_fbcon_fini(dev);
504 nouveau_accel_fini(drm);
505 nouveau_hwmon_fini(dev);
506 nouveau_sysfs_fini(dev);
507
508 if (dev->mode_config.num_crtc)
509 nouveau_display_fini(dev);
510 nouveau_display_destroy(dev);
511
512 nouveau_bios_takedown(dev);
513
514 nouveau_ttm_fini(drm);
515 nouveau_agp_fini(drm);
516 nouveau_vga_fini(drm);
517
518 nvif_device_fini(&drm->device);
519 if (drm->hdmi_device)
520 pci_dev_put(drm->hdmi_device);
521 nouveau_cli_destroy(&drm->client);
522 return 0;
523 }
524
525 void
526 nouveau_drm_device_remove(struct drm_device *dev)
527 {
528 struct nouveau_drm *drm = nouveau_drm(dev);
529 struct nvkm_client *client;
530 struct nvkm_object *device;
531
532 dev->irq_enabled = false;
533 client = nvxx_client(&drm->client.base);
534 device = client->device;
535 drm_put_dev(dev);
536
537 nvkm_object_ref(NULL, &device);
538 nvkm_object_debug();
539 }
540
541 static void
542 nouveau_drm_remove(struct pci_dev *pdev)
543 {
544 struct drm_device *dev = pci_get_drvdata(pdev);
545
546 nouveau_drm_device_remove(dev);
547 }
548
549 static int
550 nouveau_do_suspend(struct drm_device *dev, bool runtime)
551 {
552 struct nouveau_drm *drm = nouveau_drm(dev);
553 struct nouveau_cli *cli;
554 int ret;
555
556 if (dev->mode_config.num_crtc) {
557 NV_INFO(drm, "suspending console...\n");
558 nouveau_fbcon_set_suspend(dev, 1);
559 NV_INFO(drm, "suspending display...\n");
560 ret = nouveau_display_suspend(dev, runtime);
561 if (ret)
562 return ret;
563 }
564
565 NV_INFO(drm, "evicting buffers...\n");
566 ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM);
567
568 NV_INFO(drm, "waiting for kernel channels to go idle...\n");
569 if (drm->cechan) {
570 ret = nouveau_channel_idle(drm->cechan);
571 if (ret)
572 goto fail_display;
573 }
574
575 if (drm->channel) {
576 ret = nouveau_channel_idle(drm->channel);
577 if (ret)
578 goto fail_display;
579 }
580
581 NV_INFO(drm, "suspending client object trees...\n");
582 if (drm->fence && nouveau_fence(drm)->suspend) {
583 if (!nouveau_fence(drm)->suspend(drm)) {
584 ret = -ENOMEM;
585 goto fail_display;
586 }
587 }
588
589 list_for_each_entry(cli, &drm->clients, head) {
590 ret = nvif_client_suspend(&cli->base);
591 if (ret)
592 goto fail_client;
593 }
594
595 NV_INFO(drm, "suspending kernel object tree...\n");
596 ret = nvif_client_suspend(&drm->client.base);
597 if (ret)
598 goto fail_client;
599
600 nouveau_agp_fini(drm);
601 return 0;
602
603 fail_client:
604 list_for_each_entry_continue_reverse(cli, &drm->clients, head) {
605 nvif_client_resume(&cli->base);
606 }
607
608 if (drm->fence && nouveau_fence(drm)->resume)
609 nouveau_fence(drm)->resume(drm);
610
611 fail_display:
612 if (dev->mode_config.num_crtc) {
613 NV_INFO(drm, "resuming display...\n");
614 nouveau_display_resume(dev, runtime);
615 }
616 return ret;
617 }
618
619 static int
620 nouveau_do_resume(struct drm_device *dev, bool runtime)
621 {
622 struct nouveau_drm *drm = nouveau_drm(dev);
623 struct nouveau_cli *cli;
624
625 NV_INFO(drm, "re-enabling device...\n");
626
627 nouveau_agp_reset(drm);
628
629 NV_INFO(drm, "resuming kernel object tree...\n");
630 nvif_client_resume(&drm->client.base);
631 nouveau_agp_init(drm);
632
633 NV_INFO(drm, "resuming client object trees...\n");
634 if (drm->fence && nouveau_fence(drm)->resume)
635 nouveau_fence(drm)->resume(drm);
636
637 list_for_each_entry(cli, &drm->clients, head) {
638 nvif_client_resume(&cli->base);
639 }
640
641 nouveau_run_vbios_init(dev);
642
643 if (dev->mode_config.num_crtc) {
644 NV_INFO(drm, "resuming display...\n");
645 nouveau_display_resume(dev, runtime);
646 NV_INFO(drm, "resuming console...\n");
647 nouveau_fbcon_set_suspend(dev, 0);
648 }
649
650 return 0;
651 }
652
653 int
654 nouveau_pmops_suspend(struct device *dev)
655 {
656 struct pci_dev *pdev = to_pci_dev(dev);
657 struct drm_device *drm_dev = pci_get_drvdata(pdev);
658 int ret;
659
660 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
661 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
662 return 0;
663
664 ret = nouveau_do_suspend(drm_dev, false);
665 if (ret)
666 return ret;
667
668 pci_save_state(pdev);
669 pci_disable_device(pdev);
670 pci_set_power_state(pdev, PCI_D3hot);
671 udelay(200);
672 return 0;
673 }
674
675 int
676 nouveau_pmops_resume(struct device *dev)
677 {
678 struct pci_dev *pdev = to_pci_dev(dev);
679 struct drm_device *drm_dev = pci_get_drvdata(pdev);
680 int ret;
681
682 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
683 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
684 return 0;
685
686 pci_set_power_state(pdev, PCI_D0);
687 pci_restore_state(pdev);
688 ret = pci_enable_device(pdev);
689 if (ret)
690 return ret;
691 pci_set_master(pdev);
692
693 return nouveau_do_resume(drm_dev, false);
694 }
695
696 static int
697 nouveau_pmops_freeze(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_suspend(drm_dev, false);
702 }
703
704 static int
705 nouveau_pmops_thaw(struct device *dev)
706 {
707 struct pci_dev *pdev = to_pci_dev(dev);
708 struct drm_device *drm_dev = pci_get_drvdata(pdev);
709 return nouveau_do_resume(drm_dev, false);
710 }
711
712 static int
713 nouveau_pmops_runtime_suspend(struct device *dev)
714 {
715 struct pci_dev *pdev = to_pci_dev(dev);
716 struct drm_device *drm_dev = pci_get_drvdata(pdev);
717 int ret;
718
719 if (nouveau_runtime_pm == 0) {
720 pm_runtime_forbid(dev);
721 return -EBUSY;
722 }
723
724 /* are we optimus enabled? */
725 if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) {
726 DRM_DEBUG_DRIVER("failing to power off - not optimus\n");
727 pm_runtime_forbid(dev);
728 return -EBUSY;
729 }
730
731 nv_debug_level(SILENT);
732 drm_kms_helper_poll_disable(drm_dev);
733 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF);
734 nouveau_switcheroo_optimus_dsm();
735 ret = nouveau_do_suspend(drm_dev, true);
736 pci_save_state(pdev);
737 pci_disable_device(pdev);
738 pci_ignore_hotplug(pdev);
739 pci_set_power_state(pdev, PCI_D3cold);
740 drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
741 return ret;
742 }
743
744 static int
745 nouveau_pmops_runtime_resume(struct device *dev)
746 {
747 struct pci_dev *pdev = to_pci_dev(dev);
748 struct drm_device *drm_dev = pci_get_drvdata(pdev);
749 struct nvif_device *device = &nouveau_drm(drm_dev)->device;
750 int ret;
751
752 if (nouveau_runtime_pm == 0)
753 return -EINVAL;
754
755 pci_set_power_state(pdev, PCI_D0);
756 pci_restore_state(pdev);
757 ret = pci_enable_device(pdev);
758 if (ret)
759 return ret;
760 pci_set_master(pdev);
761
762 ret = nouveau_do_resume(drm_dev, true);
763 drm_kms_helper_poll_enable(drm_dev);
764 /* do magic */
765 nvif_mask(device, 0x88488, (1 << 25), (1 << 25));
766 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON);
767 drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
768 nv_debug_level(NORMAL);
769 return ret;
770 }
771
772 static int
773 nouveau_pmops_runtime_idle(struct device *dev)
774 {
775 struct pci_dev *pdev = to_pci_dev(dev);
776 struct drm_device *drm_dev = pci_get_drvdata(pdev);
777 struct nouveau_drm *drm = nouveau_drm(drm_dev);
778 struct drm_crtc *crtc;
779
780 if (nouveau_runtime_pm == 0) {
781 pm_runtime_forbid(dev);
782 return -EBUSY;
783 }
784
785 /* are we optimus enabled? */
786 if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) {
787 DRM_DEBUG_DRIVER("failing to power off - not optimus\n");
788 pm_runtime_forbid(dev);
789 return -EBUSY;
790 }
791
792 /* if we have a hdmi audio device - make sure it has a driver loaded */
793 if (drm->hdmi_device) {
794 if (!drm->hdmi_device->driver) {
795 DRM_DEBUG_DRIVER("failing to power off - no HDMI audio driver loaded\n");
796 pm_runtime_mark_last_busy(dev);
797 return -EBUSY;
798 }
799 }
800
801 list_for_each_entry(crtc, &drm->dev->mode_config.crtc_list, head) {
802 if (crtc->enabled) {
803 DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
804 return -EBUSY;
805 }
806 }
807 pm_runtime_mark_last_busy(dev);
808 pm_runtime_autosuspend(dev);
809 /* we don't want the main rpm_idle to call suspend - we want to autosuspend */
810 return 1;
811 }
812
813 static int
814 nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
815 {
816 struct nouveau_drm *drm = nouveau_drm(dev);
817 struct nouveau_cli *cli;
818 char name[32], tmpname[TASK_COMM_LEN];
819 int ret;
820
821 /* need to bring up power immediately if opening device */
822 ret = pm_runtime_get_sync(dev->dev);
823 if (ret < 0 && ret != -EACCES)
824 return ret;
825
826 get_task_comm(tmpname, current);
827 snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
828
829 ret = nouveau_cli_create(nouveau_name(dev), name, sizeof(*cli),
830 (void **)&cli);
831
832 if (ret)
833 goto out_suspend;
834
835 cli->base.super = false;
836
837 if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
838 ret = nvkm_vm_new(nvxx_device(&drm->device), 0, (1ULL << 40),
839 0x1000, &cli->vm);
840 if (ret) {
841 nouveau_cli_destroy(cli);
842 goto out_suspend;
843 }
844
845 nvxx_client(&cli->base)->vm = cli->vm;
846 }
847
848 fpriv->driver_priv = cli;
849
850 mutex_lock(&drm->client.mutex);
851 list_add(&cli->head, &drm->clients);
852 mutex_unlock(&drm->client.mutex);
853
854 out_suspend:
855 pm_runtime_mark_last_busy(dev->dev);
856 pm_runtime_put_autosuspend(dev->dev);
857
858 return ret;
859 }
860
861 static void
862 nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv)
863 {
864 struct nouveau_cli *cli = nouveau_cli(fpriv);
865 struct nouveau_drm *drm = nouveau_drm(dev);
866
867 pm_runtime_get_sync(dev->dev);
868
869 mutex_lock(&cli->mutex);
870 if (cli->abi16)
871 nouveau_abi16_fini(cli->abi16);
872 mutex_unlock(&cli->mutex);
873
874 mutex_lock(&drm->client.mutex);
875 list_del(&cli->head);
876 mutex_unlock(&drm->client.mutex);
877
878 }
879
880 static void
881 nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv)
882 {
883 struct nouveau_cli *cli = nouveau_cli(fpriv);
884 nouveau_cli_destroy(cli);
885 pm_runtime_mark_last_busy(dev->dev);
886 pm_runtime_put_autosuspend(dev->dev);
887 }
888
889 static const struct drm_ioctl_desc
890 nouveau_ioctls[] = {
891 DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
892 DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_UNLOCKED|DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
893 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
894 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
895 DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
896 DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
897 DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
898 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
899 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
900 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
901 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
902 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
903 };
904
905 long
906 nouveau_drm_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
907 {
908 struct drm_file *filp = file->private_data;
909 struct drm_device *dev = filp->minor->dev;
910 long ret;
911
912 ret = pm_runtime_get_sync(dev->dev);
913 if (ret < 0 && ret != -EACCES)
914 return ret;
915
916 switch (_IOC_NR(cmd) - DRM_COMMAND_BASE) {
917 case DRM_NOUVEAU_NVIF:
918 ret = usif_ioctl(filp, (void __user *)arg, _IOC_SIZE(cmd));
919 break;
920 default:
921 ret = drm_ioctl(file, cmd, arg);
922 break;
923 }
924
925 pm_runtime_mark_last_busy(dev->dev);
926 pm_runtime_put_autosuspend(dev->dev);
927 return ret;
928 }
929
930 static const struct file_operations
931 nouveau_driver_fops = {
932 .owner = THIS_MODULE,
933 .open = drm_open,
934 .release = drm_release,
935 .unlocked_ioctl = nouveau_drm_ioctl,
936 .mmap = nouveau_ttm_mmap,
937 .poll = drm_poll,
938 .read = drm_read,
939 #if defined(CONFIG_COMPAT)
940 .compat_ioctl = nouveau_compat_ioctl,
941 #endif
942 .llseek = noop_llseek,
943 };
944
945 static struct drm_driver
946 driver_stub = {
947 .driver_features =
948 DRIVER_USE_AGP |
949 DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER,
950
951 .load = nouveau_drm_load,
952 .unload = nouveau_drm_unload,
953 .open = nouveau_drm_open,
954 .preclose = nouveau_drm_preclose,
955 .postclose = nouveau_drm_postclose,
956 .lastclose = nouveau_vga_lastclose,
957
958 #if defined(CONFIG_DEBUG_FS)
959 .debugfs_init = nouveau_debugfs_init,
960 .debugfs_cleanup = nouveau_debugfs_takedown,
961 #endif
962
963 .get_vblank_counter = drm_vblank_count,
964 .enable_vblank = nouveau_display_vblank_enable,
965 .disable_vblank = nouveau_display_vblank_disable,
966 .get_scanout_position = nouveau_display_scanoutpos,
967 .get_vblank_timestamp = nouveau_display_vblstamp,
968
969 .ioctls = nouveau_ioctls,
970 .num_ioctls = ARRAY_SIZE(nouveau_ioctls),
971 .fops = &nouveau_driver_fops,
972
973 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
974 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
975 .gem_prime_export = drm_gem_prime_export,
976 .gem_prime_import = drm_gem_prime_import,
977 .gem_prime_pin = nouveau_gem_prime_pin,
978 .gem_prime_res_obj = nouveau_gem_prime_res_obj,
979 .gem_prime_unpin = nouveau_gem_prime_unpin,
980 .gem_prime_get_sg_table = nouveau_gem_prime_get_sg_table,
981 .gem_prime_import_sg_table = nouveau_gem_prime_import_sg_table,
982 .gem_prime_vmap = nouveau_gem_prime_vmap,
983 .gem_prime_vunmap = nouveau_gem_prime_vunmap,
984
985 .gem_free_object = nouveau_gem_object_del,
986 .gem_open_object = nouveau_gem_object_open,
987 .gem_close_object = nouveau_gem_object_close,
988
989 .dumb_create = nouveau_display_dumb_create,
990 .dumb_map_offset = nouveau_display_dumb_map_offset,
991 .dumb_destroy = drm_gem_dumb_destroy,
992
993 .name = DRIVER_NAME,
994 .desc = DRIVER_DESC,
995 #ifdef GIT_REVISION
996 .date = GIT_REVISION,
997 #else
998 .date = DRIVER_DATE,
999 #endif
1000 .major = DRIVER_MAJOR,
1001 .minor = DRIVER_MINOR,
1002 .patchlevel = DRIVER_PATCHLEVEL,
1003 };
1004
1005 static struct pci_device_id
1006 nouveau_drm_pci_table[] = {
1007 {
1008 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
1009 .class = PCI_BASE_CLASS_DISPLAY << 16,
1010 .class_mask = 0xff << 16,
1011 },
1012 {
1013 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
1014 .class = PCI_BASE_CLASS_DISPLAY << 16,
1015 .class_mask = 0xff << 16,
1016 },
1017 {}
1018 };
1019
1020 static void nouveau_display_options(void)
1021 {
1022 DRM_DEBUG_DRIVER("Loading Nouveau with parameters:\n");
1023
1024 DRM_DEBUG_DRIVER("... tv_disable : %d\n", nouveau_tv_disable);
1025 DRM_DEBUG_DRIVER("... ignorelid : %d\n", nouveau_ignorelid);
1026 DRM_DEBUG_DRIVER("... duallink : %d\n", nouveau_duallink);
1027 DRM_DEBUG_DRIVER("... nofbaccel : %d\n", nouveau_nofbaccel);
1028 DRM_DEBUG_DRIVER("... config : %s\n", nouveau_config);
1029 DRM_DEBUG_DRIVER("... debug : %s\n", nouveau_debug);
1030 DRM_DEBUG_DRIVER("... noaccel : %d\n", nouveau_noaccel);
1031 DRM_DEBUG_DRIVER("... modeset : %d\n", nouveau_modeset);
1032 DRM_DEBUG_DRIVER("... runpm : %d\n", nouveau_runtime_pm);
1033 DRM_DEBUG_DRIVER("... vram_pushbuf : %d\n", nouveau_vram_pushbuf);
1034 DRM_DEBUG_DRIVER("... pstate : %d\n", nouveau_pstate);
1035 }
1036
1037 static const struct dev_pm_ops nouveau_pm_ops = {
1038 .suspend = nouveau_pmops_suspend,
1039 .resume = nouveau_pmops_resume,
1040 .freeze = nouveau_pmops_freeze,
1041 .thaw = nouveau_pmops_thaw,
1042 .poweroff = nouveau_pmops_freeze,
1043 .restore = nouveau_pmops_resume,
1044 .runtime_suspend = nouveau_pmops_runtime_suspend,
1045 .runtime_resume = nouveau_pmops_runtime_resume,
1046 .runtime_idle = nouveau_pmops_runtime_idle,
1047 };
1048
1049 static struct pci_driver
1050 nouveau_drm_pci_driver = {
1051 .name = "nouveau",
1052 .id_table = nouveau_drm_pci_table,
1053 .probe = nouveau_drm_probe,
1054 .remove = nouveau_drm_remove,
1055 .driver.pm = &nouveau_pm_ops,
1056 };
1057
1058 struct drm_device *
1059 nouveau_platform_device_create_(struct platform_device *pdev, int size,
1060 void **pobject)
1061 {
1062 struct drm_device *drm;
1063 int err;
1064
1065 err = nvkm_device_create_(pdev, NVKM_BUS_PLATFORM,
1066 nouveau_platform_name(pdev),
1067 dev_name(&pdev->dev), nouveau_config,
1068 nouveau_debug, size, pobject);
1069 if (err)
1070 return ERR_PTR(err);
1071
1072 drm = drm_dev_alloc(&driver_platform, &pdev->dev);
1073 if (!drm) {
1074 err = -ENOMEM;
1075 goto err_free;
1076 }
1077
1078 err = drm_dev_set_unique(drm, "%s", dev_name(&pdev->dev));
1079 if (err < 0)
1080 goto err_free;
1081
1082 drm->platformdev = pdev;
1083 platform_set_drvdata(pdev, drm);
1084
1085 return drm;
1086
1087 err_free:
1088 nvkm_object_ref(NULL, (struct nvkm_object **)pobject);
1089
1090 return ERR_PTR(err);
1091 }
1092
1093 static int __init
1094 nouveau_drm_init(void)
1095 {
1096 driver_pci = driver_stub;
1097 driver_pci.set_busid = drm_pci_set_busid;
1098 driver_platform = driver_stub;
1099 driver_platform.set_busid = drm_platform_set_busid;
1100
1101 nouveau_display_options();
1102
1103 if (nouveau_modeset == -1) {
1104 #ifdef CONFIG_VGA_CONSOLE
1105 if (vgacon_text_force())
1106 nouveau_modeset = 0;
1107 #endif
1108 }
1109
1110 if (!nouveau_modeset)
1111 return 0;
1112
1113 #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER
1114 platform_driver_register(&nouveau_platform_driver);
1115 #endif
1116
1117 nouveau_register_dsm_handler();
1118 return drm_pci_init(&driver_pci, &nouveau_drm_pci_driver);
1119 }
1120
1121 static void __exit
1122 nouveau_drm_exit(void)
1123 {
1124 if (!nouveau_modeset)
1125 return;
1126
1127 drm_pci_exit(&driver_pci, &nouveau_drm_pci_driver);
1128 nouveau_unregister_dsm_handler();
1129
1130 #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER
1131 platform_driver_unregister(&nouveau_platform_driver);
1132 #endif
1133 }
1134
1135 module_init(nouveau_drm_init);
1136 module_exit(nouveau_drm_exit);
1137
1138 MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table);
1139 MODULE_AUTHOR(DRIVER_AUTHOR);
1140 MODULE_DESCRIPTION(DRIVER_DESC);
1141 MODULE_LICENSE("GPL and additional rights");
Linux with added FPC-III support