1 /* $NetBSD: nouveau_drm.c,v 1.8 2016/02/11 04:51:44 riastradh Exp $ */
2
3 /*
4 * Copyright 2012 Red Hat Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Ben Skeggs
25 */
26
27 #include <sys/cdefs.h>
28 __KERNEL_RCSID(0, "$NetBSD: nouveau_drm.c,v 1.8 2016/02/11 04:51:44 riastradh Exp $");
29
30 #include <linux/console.h>
31 #include <linux/module.h>
32 #include <linux/pci.h>
33 #include <linux/pm_runtime.h>
34 #include <linux/vga_switcheroo.h>
35 #include "drmP.h"
36 #include "drm_crtc_helper.h"
37 #include <core/device.h>
38 #include <core/client.h>
39 #include <core/gpuobj.h>
40 #include <core/class.h>
41 #include <core/option.h>
42
43 #include <engine/device.h>
44 #include <engine/disp.h>
45 #include <engine/fifo.h>
46 #include <engine/software.h>
47
48 #include <subdev/vm.h>
49
50 #include "nouveau_drm.h"
51 #include "nouveau_dma.h"
52 #include "nouveau_ttm.h"
53 #include "nouveau_gem.h"
54 #include "nouveau_agp.h"
55 #include "nouveau_vga.h"
56 #include "nouveau_sysfs.h"
57 #include "nouveau_hwmon.h"
58 #include "nouveau_acpi.h"
59 #include "nouveau_bios.h"
60 #include "nouveau_ioctl.h"
61 #include "nouveau_abi16.h"
62 #include "nouveau_fbcon.h"
63 #include "nouveau_fence.h"
64 #include "nouveau_debugfs.h"
65 #include "nouveau_ttm.h"
66
67 MODULE_PARM_DESC(config, "option string to pass to driver core");
68 char *nouveau_config;
69 module_param_named(config, nouveau_config, charp, 0400);
70
71 MODULE_PARM_DESC(debug, "debug string to pass to driver core");
72 char *nouveau_debug;
73 module_param_named(debug, nouveau_debug, charp, 0400);
74
75 MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration");
76 static int nouveau_noaccel = 0;
77 module_param_named(noaccel, nouveau_noaccel, int, 0400);
78
79 MODULE_PARM_DESC(modeset, "enable driver (default: auto, "
80 "0 = disabled, 1 = enabled, 2 = headless)");
81 int nouveau_modeset = -1;
82 module_param_named(modeset, nouveau_modeset, int, 0400);
83
84 MODULE_PARM_DESC(runpm, "disable (0), force enable (1), optimus only default (-1)");
85 int nouveau_runtime_pm = -1;
86 module_param_named(runpm, nouveau_runtime_pm, int, 0400);
87
88 static struct drm_driver driver;
89 #ifdef __NetBSD__
90 struct drm_driver *const nouveau_drm_driver = &driver;
91
92 /* XXX Kludge for the non-GEM GEM that nouveau uses. */
93 static const struct uvm_pagerops nouveau_gem_uvm_ops;
94
95 #endif
96
97 static u64
nouveau_pci_name(struct pci_dev * pdev)98 nouveau_pci_name(struct pci_dev *pdev)
99 {
100 #ifdef __NetBSD__
101 u64 name = (u64)device_unit(device_parent(pdev->pd_dev)) << 32;
102 name |= (u64)pdev->pd_pa.pa_bus << 16;
103 #else
104 u64 name = (u64)pci_domain_nr(pdev->bus) << 32;
105 name |= pdev->bus->number << 16;
106 #endif
107 name |= PCI_SLOT(pdev->devfn) << 8;
108 return name | PCI_FUNC(pdev->devfn);
109 }
110
111 static u64
nouveau_platform_name(struct platform_device * platformdev)112 nouveau_platform_name(struct platform_device *platformdev)
113 {
114 return platformdev->id;
115 }
116
117 static u64
nouveau_name(struct drm_device * dev)118 nouveau_name(struct drm_device *dev)
119 {
120 if (dev->pdev)
121 return nouveau_pci_name(dev->pdev);
122 else
123 return nouveau_platform_name(dev->platformdev);
124 }
125
126 static int
nouveau_cli_create(u64 name,const char * sname,int size,void ** pcli)127 nouveau_cli_create(u64 name, const char *sname,
128 int size, void **pcli)
129 {
130 struct nouveau_cli *cli;
131 int ret;
132
133 *pcli = NULL;
134 ret = nouveau_client_create_(sname, name, nouveau_config,
135 nouveau_debug, size, pcli);
136 cli = *pcli;
137 if (ret) {
138 if (cli)
139 nouveau_client_destroy(&cli->base);
140 *pcli = NULL;
141 return ret;
142 }
143
144 #ifdef __NetBSD__
145 linux_mutex_init(&cli->mutex);
146 #else
147 mutex_init(&cli->mutex);
148 #endif
149 return 0;
150 }
151
152 static void
nouveau_cli_destroy(struct nouveau_cli * cli)153 nouveau_cli_destroy(struct nouveau_cli *cli)
154 {
155 struct nouveau_object *client = nv_object(cli);
156 #ifdef __NetBSD__
157 linux_mutex_destroy(&cli->mutex);
158 #else
159 mutex_destroy(&cli->mutex);
160 #endif
161 nouveau_vm_ref(NULL, &cli->base.vm, NULL);
162 nouveau_client_fini(&cli->base, false);
163 atomic_set(&client->refcount, 1);
164 nouveau_object_ref(NULL, &client);
165 }
166
167 static void
nouveau_accel_fini(struct nouveau_drm * drm)168 nouveau_accel_fini(struct nouveau_drm *drm)
169 {
170 nouveau_gpuobj_ref(NULL, &drm->notify);
171 nouveau_channel_del(&drm->channel);
172 nouveau_channel_del(&drm->cechan);
173 if (drm->fence)
174 nouveau_fence(drm)->dtor(drm);
175 }
176
177 static void
nouveau_accel_init(struct nouveau_drm * drm)178 nouveau_accel_init(struct nouveau_drm *drm)
179 {
180 struct nouveau_device *device = nv_device(drm->device);
181 struct nouveau_object *object;
182 u32 arg0, arg1;
183 int ret;
184
185 if (nouveau_noaccel || !nouveau_fifo(device) /*XXX*/)
186 return;
187
188 /* initialise synchronisation routines */
189 if (device->card_type < NV_10) ret = nv04_fence_create(drm);
190 else if (device->card_type < NV_11 ||
191 device->chipset < 0x17) ret = nv10_fence_create(drm);
192 else if (device->card_type < NV_50) ret = nv17_fence_create(drm);
193 else if (device->chipset < 0x84) ret = nv50_fence_create(drm);
194 else if (device->card_type < NV_C0) ret = nv84_fence_create(drm);
195 else ret = nvc0_fence_create(drm);
196 if (ret) {
197 NV_ERROR(drm, "failed to initialise sync subsystem, %d\n", ret);
198 nouveau_accel_fini(drm);
199 return;
200 }
201
202 if (device->card_type >= NV_E0) {
203 ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE,
204 NVDRM_CHAN + 1,
205 NVE0_CHANNEL_IND_ENGINE_CE0 |
206 NVE0_CHANNEL_IND_ENGINE_CE1, 0,
207 &drm->cechan);
208 if (ret)
209 NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
210
211 arg0 = NVE0_CHANNEL_IND_ENGINE_GR;
212 arg1 = 1;
213 } else
214 if (device->chipset >= 0xa3 &&
215 device->chipset != 0xaa &&
216 device->chipset != 0xac) {
217 ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE,
218 NVDRM_CHAN + 1, NvDmaFB, NvDmaTT,
219 &drm->cechan);
220 if (ret)
221 NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
222
223 arg0 = NvDmaFB;
224 arg1 = NvDmaTT;
225 } else {
226 arg0 = NvDmaFB;
227 arg1 = NvDmaTT;
228 }
229
230 ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE, NVDRM_CHAN,
231 arg0, arg1, &drm->channel);
232 if (ret) {
233 NV_ERROR(drm, "failed to create kernel channel, %d\n", ret);
234 nouveau_accel_fini(drm);
235 return;
236 }
237
238 ret = nouveau_object_new(nv_object(drm), NVDRM_CHAN, NVDRM_NVSW,
239 nouveau_abi16_swclass(drm), NULL, 0, &object);
240 if (ret == 0) {
241 struct nouveau_software_chan *swch = (void *)object->parent;
242 ret = RING_SPACE(drm->channel, 2);
243 if (ret == 0) {
244 if (device->card_type < NV_C0) {
245 BEGIN_NV04(drm->channel, NvSubSw, 0, 1);
246 OUT_RING (drm->channel, NVDRM_NVSW);
247 } else
248 if (device->card_type < NV_E0) {
249 BEGIN_NVC0(drm->channel, FermiSw, 0, 1);
250 OUT_RING (drm->channel, 0x001f0000);
251 }
252 }
253 swch = (void *)object->parent;
254 swch->flip = nouveau_flip_complete;
255 swch->flip_data = drm->channel;
256 }
257
258 if (ret) {
259 NV_ERROR(drm, "failed to allocate software object, %d\n", ret);
260 nouveau_accel_fini(drm);
261 return;
262 }
263
264 if (device->card_type < NV_C0) {
265 ret = nouveau_gpuobj_new(drm->device, NULL, 32, 0, 0,
266 &drm->notify);
267 if (ret) {
268 NV_ERROR(drm, "failed to allocate notifier, %d\n", ret);
269 nouveau_accel_fini(drm);
270 return;
271 }
272
273 ret = nouveau_object_new(nv_object(drm),
274 drm->channel->handle, NvNotify0,
275 0x003d, &(struct nv_dma_class) {
276 .flags = NV_DMA_TARGET_VRAM |
277 NV_DMA_ACCESS_RDWR,
278 .start = drm->notify->addr,
279 .limit = drm->notify->addr + 31
280 }, sizeof(struct nv_dma_class),
281 &object);
282 if (ret) {
283 nouveau_accel_fini(drm);
284 return;
285 }
286 }
287
288
289 nouveau_bo_move_init(drm);
290 }
291
292 #ifndef __NetBSD__
nouveau_drm_probe(struct pci_dev * pdev,const struct pci_device_id * pent)293 static int nouveau_drm_probe(struct pci_dev *pdev,
294 const struct pci_device_id *pent)
295 {
296 struct nouveau_device *device;
297 struct apertures_struct *aper;
298 bool boot = false;
299 int ret;
300
301 /* remove conflicting drivers (vesafb, efifb etc) */
302 aper = alloc_apertures(3);
303 if (!aper)
304 return -ENOMEM;
305
306 aper->ranges[0].base = pci_resource_start(pdev, 1);
307 aper->ranges[0].size = pci_resource_len(pdev, 1);
308 aper->count = 1;
309
310 if (pci_resource_len(pdev, 2)) {
311 aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
312 aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
313 aper->count++;
314 }
315
316 if (pci_resource_len(pdev, 3)) {
317 aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
318 aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
319 aper->count++;
320 }
321
322 #ifdef CONFIG_X86
323 boot = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
324 #endif
325 remove_conflicting_framebuffers(aper, "nouveaufb", boot);
326 kfree(aper);
327
328 ret = nouveau_device_create(pdev, NOUVEAU_BUS_PCI,
329 nouveau_pci_name(pdev), pci_name(pdev),
330 nouveau_config, nouveau_debug, &device);
331 if (ret)
332 return ret;
333
334 pci_set_master(pdev);
335
336 ret = drm_get_pci_dev(pdev, pent, &driver);
337 if (ret) {
338 nouveau_object_ref(NULL, (struct nouveau_object **)&device);
339 return ret;
340 }
341
342 return 0;
343 }
344 #endif
345
346 #define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403
347
348 static void
nouveau_get_hdmi_dev(struct nouveau_drm * drm)349 nouveau_get_hdmi_dev(struct nouveau_drm *drm)
350 {
351 #ifndef __NetBSD__ /* XXX nouveau hdmi */
352 struct pci_dev *pdev = drm->dev->pdev;
353
354 if (!pdev) {
355 DRM_INFO("not a PCI device; no HDMI\n");
356 drm->hdmi_device = NULL;
357 return;
358 }
359
360 /* subfunction one is a hdmi audio device? */
361 drm->hdmi_device = pci_get_bus_and_slot((unsigned int)pdev->bus->number,
362 PCI_DEVFN(PCI_SLOT(pdev->devfn), 1));
363
364 if (!drm->hdmi_device) {
365 NV_DEBUG(drm, "hdmi device not found %d %d %d\n", pdev->bus->number, PCI_SLOT(pdev->devfn), 1);
366 return;
367 }
368
369 if ((drm->hdmi_device->class >> 8) != PCI_CLASS_MULTIMEDIA_HD_AUDIO) {
370 NV_DEBUG(drm, "possible hdmi device not audio %d\n", drm->hdmi_device->class);
371 pci_dev_put(drm->hdmi_device);
372 drm->hdmi_device = NULL;
373 return;
374 }
375 #endif
376 }
377
378 static int
nouveau_drm_load(struct drm_device * dev,unsigned long flags)379 nouveau_drm_load(struct drm_device *dev, unsigned long flags)
380 {
381 struct pci_dev *pdev = dev->pdev;
382 struct nouveau_device *device;
383 struct nouveau_drm *drm;
384 int ret;
385
386 ret = nouveau_cli_create(nouveau_name(dev), "DRM", sizeof(*drm),
387 (void **)&drm);
388 if (ret)
389 return ret;
390
391 dev->dev_private = drm;
392 drm->dev = dev;
393 nouveau_client(drm)->debug = nouveau_dbgopt(nouveau_debug, "DRM");
394
395 INIT_LIST_HEAD(&drm->clients);
396 spin_lock_init(&drm->tile.lock);
397
398 nouveau_get_hdmi_dev(drm);
399
400 /* make sure AGP controller is in a consistent state before we
401 * (possibly) execute vbios init tables (see nouveau_agp.h)
402 */
403 if (pdev && drm_pci_device_is_agp(dev) && dev->agp) {
404 /* dummy device object, doesn't init anything, but allows
405 * agp code access to registers
406 */
407 ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT,
408 NVDRM_DEVICE, 0x0080,
409 &(struct nv_device_class) {
410 .device = ~0,
411 .disable =
412 ~(NV_DEVICE_DISABLE_MMIO |
413 NV_DEVICE_DISABLE_IDENTIFY),
414 .debug0 = ~0,
415 }, sizeof(struct nv_device_class),
416 &drm->device);
417 if (ret)
418 goto fail_device;
419
420 nouveau_agp_reset(drm);
421 nouveau_object_del(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE);
422 }
423
424 ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE,
425 0x0080, &(struct nv_device_class) {
426 .device = ~0,
427 .disable = 0,
428 .debug0 = 0,
429 }, sizeof(struct nv_device_class),
430 &drm->device);
431 if (ret)
432 goto fail_device;
433
434 dev->irq_enabled = true;
435
436 /* workaround an odd issue on nvc1 by disabling the device's
437 * nosnoop capability. hopefully won't cause issues until a
438 * better fix is found - assuming there is one...
439 */
440 device = nv_device(drm->device);
441 if (nv_device(drm->device)->chipset == 0xc1)
442 nv_mask(device, 0x00088080, 0x00000800, 0x00000000);
443
444 nouveau_vga_init(drm);
445 nouveau_agp_init(drm);
446
447 if (device->card_type >= NV_50) {
448 ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40),
449 0x1000, &drm->client.base.vm);
450 if (ret)
451 goto fail_device;
452 }
453
454 ret = nouveau_ttm_init(drm);
455 if (ret)
456 goto fail_ttm;
457
458 ret = nouveau_bios_init(dev);
459 if (ret)
460 goto fail_bios;
461
462 ret = nouveau_display_create(dev);
463 if (ret)
464 goto fail_dispctor;
465
466 if (dev->mode_config.num_crtc) {
467 ret = nouveau_display_init(dev);
468 if (ret)
469 goto fail_dispinit;
470 }
471
472 nouveau_sysfs_init(dev);
473 nouveau_hwmon_init(dev);
474 nouveau_accel_init(drm);
475 nouveau_fbcon_init(dev);
476
477 if (nouveau_runtime_pm != 0) {
478 pm_runtime_use_autosuspend(dev->dev);
479 pm_runtime_set_autosuspend_delay(dev->dev, 5000);
480 pm_runtime_set_active(dev->dev);
481 pm_runtime_allow(dev->dev);
482 pm_runtime_mark_last_busy(dev->dev);
483 pm_runtime_put(dev->dev);
484 }
485 return 0;
486
487 fail_dispinit:
488 nouveau_display_destroy(dev);
489 fail_dispctor:
490 nouveau_bios_takedown(dev);
491 fail_bios:
492 nouveau_ttm_fini(drm);
493 fail_ttm:
494 nouveau_agp_fini(drm);
495 nouveau_vga_fini(drm);
496 fail_device:
497 nouveau_cli_destroy(&drm->client);
498 return ret;
499 }
500
501 static int
nouveau_drm_unload(struct drm_device * dev)502 nouveau_drm_unload(struct drm_device *dev)
503 {
504 struct nouveau_drm *drm = nouveau_drm(dev);
505
506 pm_runtime_get_sync(dev->dev);
507 nouveau_fbcon_fini(dev);
508 nouveau_accel_fini(drm);
509 nouveau_hwmon_fini(dev);
510 nouveau_sysfs_fini(dev);
511
512 if (dev->mode_config.num_crtc)
513 nouveau_display_fini(dev);
514 nouveau_display_destroy(dev);
515
516 nouveau_bios_takedown(dev);
517
518 nouveau_ttm_fini(drm);
519 nouveau_agp_fini(drm);
520 nouveau_vga_fini(drm);
521
522 #ifndef __NetBSD__ /* XXX nouveau hdmi */
523 if (drm->hdmi_device)
524 pci_dev_put(drm->hdmi_device);
525 #endif
526 nouveau_cli_destroy(&drm->client);
527 return 0;
528 }
529
530 #ifndef __NetBSD__ /* XXX nouveau detach */
531 static void
nouveau_drm_remove(struct pci_dev * pdev)532 nouveau_drm_remove(struct pci_dev *pdev)
533 {
534 struct drm_device *dev = pci_get_drvdata(pdev);
535 struct nouveau_drm *drm = nouveau_drm(dev);
536 struct nouveau_object *device;
537
538 dev->irq_enabled = false;
539 device = drm->client.base.device;
540 drm_put_dev(dev);
541
542 nouveau_object_ref(NULL, &device);
543 nouveau_object_debug();
544 }
545 #endif
546
547 static int
nouveau_do_suspend(struct drm_device * dev,bool runtime)548 nouveau_do_suspend(struct drm_device *dev, bool runtime)
549 {
550 struct nouveau_drm *drm = nouveau_drm(dev);
551 struct nouveau_cli *cli;
552 int ret;
553
554 if (dev->mode_config.num_crtc && !runtime) {
555 NV_INFO(drm, "suspending display...\n");
556 ret = nouveau_display_suspend(dev);
557 if (ret)
558 return ret;
559 }
560
561 NV_INFO(drm, "evicting buffers...\n");
562 ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM);
563
564 NV_INFO(drm, "waiting for kernel channels to go idle...\n");
565 if (drm->cechan) {
566 ret = nouveau_channel_idle(drm->cechan);
567 if (ret)
568 goto fail_display;
569 }
570
571 if (drm->channel) {
572 ret = nouveau_channel_idle(drm->channel);
573 if (ret)
574 goto fail_display;
575 }
576
577 NV_INFO(drm, "suspending client object trees...\n");
578 if (drm->fence && nouveau_fence(drm)->suspend) {
579 if (!nouveau_fence(drm)->suspend(drm)) {
580 ret = -ENOMEM;
581 goto fail_display;
582 }
583 }
584
585 list_for_each_entry(cli, &drm->clients, head) {
586 ret = nouveau_client_fini(&cli->base, true);
587 if (ret)
588 goto fail_client;
589 }
590
591 NV_INFO(drm, "suspending kernel object tree...\n");
592 ret = nouveau_client_fini(&drm->client.base, true);
593 if (ret)
594 goto fail_client;
595
596 nouveau_agp_fini(drm);
597 return 0;
598
599 fail_client:
600 list_for_each_entry_continue_reverse(cli, &drm->clients, head) {
601 nouveau_client_init(&cli->base);
602 }
603
604 if (drm->fence && nouveau_fence(drm)->resume)
605 nouveau_fence(drm)->resume(drm);
606
607 fail_display:
608 if (dev->mode_config.num_crtc) {
609 NV_INFO(drm, "resuming display...\n");
610 nouveau_display_resume(dev);
611 }
612 return ret;
613 }
614
615 #ifdef __NetBSD__
nouveau_pmops_suspend(struct drm_device * drm_dev)616 int nouveau_pmops_suspend(struct drm_device *drm_dev)
617 #else
618 int nouveau_pmops_suspend(struct device *dev)
619 #endif
620 {
621 #ifndef __NetBSD__
622 struct pci_dev *pdev = to_pci_dev(dev);
623 struct drm_device *drm_dev = pci_get_drvdata(pdev);
624 #endif
625 int ret;
626
627 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
628 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
629 return 0;
630
631 if (drm_dev->mode_config.num_crtc)
632 nouveau_fbcon_set_suspend(drm_dev, 1);
633
634 ret = nouveau_do_suspend(drm_dev, false);
635 if (ret)
636 return ret;
637
638 #ifndef __NetBSD__ /* pmf handles this for us. */
639 pci_save_state(pdev);
640 pci_disable_device(pdev);
641 pci_set_power_state(pdev, PCI_D3hot);
642 #endif
643 return 0;
644 }
645
646 static int
nouveau_do_resume(struct drm_device * dev)647 nouveau_do_resume(struct drm_device *dev)
648 {
649 struct nouveau_drm *drm = nouveau_drm(dev);
650 struct nouveau_cli *cli;
651
652 NV_INFO(drm, "re-enabling device...\n");
653
654 nouveau_agp_reset(drm);
655
656 NV_INFO(drm, "resuming kernel object tree...\n");
657 nouveau_client_init(&drm->client.base);
658 nouveau_agp_init(drm);
659
660 NV_INFO(drm, "resuming client object trees...\n");
661 if (drm->fence && nouveau_fence(drm)->resume)
662 nouveau_fence(drm)->resume(drm);
663
664 list_for_each_entry(cli, &drm->clients, head) {
665 nouveau_client_init(&cli->base);
666 }
667
668 nouveau_run_vbios_init(dev);
669
670 if (dev->mode_config.num_crtc) {
671 NV_INFO(drm, "resuming display...\n");
672 nouveau_display_repin(dev);
673 }
674
675 return 0;
676 }
677
678 #ifdef __NetBSD__
nouveau_pmops_resume(struct drm_device * drm_dev)679 int nouveau_pmops_resume(struct drm_device *drm_dev)
680 #else
681 int nouveau_pmops_resume(struct device *dev)
682 #endif
683 {
684 #ifndef __NetBSD__
685 struct pci_dev *pdev = to_pci_dev(dev);
686 struct drm_device *drm_dev = pci_get_drvdata(pdev);
687 #endif
688 int ret;
689
690 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
691 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
692 return 0;
693
694 #ifndef __NetBSD__ /* pmf handles this for us */
695 pci_set_power_state(pdev, PCI_D0);
696 pci_restore_state(pdev);
697 ret = pci_enable_device(pdev);
698 if (ret)
699 return ret;
700 pci_set_master(pdev);
701 #endif
702
703 ret = nouveau_do_resume(drm_dev);
704 if (ret)
705 return ret;
706 if (drm_dev->mode_config.num_crtc)
707 nouveau_fbcon_set_suspend(drm_dev, 0);
708
709 nouveau_fbcon_zfill_all(drm_dev);
710 if (drm_dev->mode_config.num_crtc)
711 nouveau_display_resume(drm_dev);
712 return 0;
713 }
714
715 #ifndef __NetBSD__ /* XXX nouveau pm */
nouveau_pmops_freeze(struct device * dev)716 static int nouveau_pmops_freeze(struct device *dev)
717 {
718 struct pci_dev *pdev = to_pci_dev(dev);
719 struct drm_device *drm_dev = pci_get_drvdata(pdev);
720 int ret;
721
722 if (drm_dev->mode_config.num_crtc)
723 nouveau_fbcon_set_suspend(drm_dev, 1);
724
725 ret = nouveau_do_suspend(drm_dev, false);
726 return ret;
727 }
728
nouveau_pmops_thaw(struct device * dev)729 static int nouveau_pmops_thaw(struct device *dev)
730 {
731 struct pci_dev *pdev = to_pci_dev(dev);
732 struct drm_device *drm_dev = pci_get_drvdata(pdev);
733 int ret;
734
735 ret = nouveau_do_resume(drm_dev);
736 if (ret)
737 return ret;
738 if (drm_dev->mode_config.num_crtc)
739 nouveau_fbcon_set_suspend(drm_dev, 0);
740 nouveau_fbcon_zfill_all(drm_dev);
741 if (drm_dev->mode_config.num_crtc)
742 nouveau_display_resume(drm_dev);
743 return 0;
744 }
745 #endif /* XXX nouveau pm */
746
747 static int
nouveau_drm_open(struct drm_device * dev,struct drm_file * fpriv)748 nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
749 {
750 struct nouveau_drm *drm = nouveau_drm(dev);
751 struct nouveau_cli *cli;
752 #ifdef __NetBSD__
753 const char name[] = "user";
754 #else
755 char name[32], tmpname[TASK_COMM_LEN];
756 #endif
757 int ret;
758
759 /* need to bring up power immediately if opening device */
760 ret = pm_runtime_get_sync(dev->dev);
761 if (ret < 0 && ret != -EACCES)
762 return ret;
763
764 #ifndef __NetBSD__
765 get_task_comm(tmpname, current);
766 snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
767 #endif
768
769 ret = nouveau_cli_create(nouveau_name(dev), name, sizeof(*cli),
770 (void **)&cli);
771
772 if (ret)
773 goto out_suspend;
774
775 if (nv_device(drm->device)->card_type >= NV_50) {
776 ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40),
777 0x1000, &cli->base.vm);
778 if (ret) {
779 nouveau_cli_destroy(cli);
780 goto out_suspend;
781 }
782 }
783
784 fpriv->driver_priv = cli;
785
786 mutex_lock(&drm->client.mutex);
787 list_add(&cli->head, &drm->clients);
788 mutex_unlock(&drm->client.mutex);
789
790 out_suspend:
791 pm_runtime_mark_last_busy(dev->dev);
792 pm_runtime_put_autosuspend(dev->dev);
793
794 return ret;
795 }
796
797 static void
nouveau_drm_preclose(struct drm_device * dev,struct drm_file * fpriv)798 nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv)
799 {
800 struct nouveau_cli *cli = nouveau_cli(fpriv);
801 struct nouveau_drm *drm = nouveau_drm(dev);
802
803 pm_runtime_get_sync(dev->dev);
804
805 if (cli->abi16)
806 nouveau_abi16_fini(cli->abi16);
807
808 mutex_lock(&drm->client.mutex);
809 list_del(&cli->head);
810 mutex_unlock(&drm->client.mutex);
811
812 }
813
814 static void
nouveau_drm_postclose(struct drm_device * dev,struct drm_file * fpriv)815 nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv)
816 {
817 struct nouveau_cli *cli = nouveau_cli(fpriv);
818 nouveau_cli_destroy(cli);
819 pm_runtime_mark_last_busy(dev->dev);
820 pm_runtime_put_autosuspend(dev->dev);
821 }
822
823 static const struct drm_ioctl_desc
824 nouveau_ioctls[] = {
825 DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
826 DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_UNLOCKED|DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
827 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
828 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
829 DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
830 DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
831 DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
832 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
833 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
834 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
835 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
836 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
837 };
838
839 #ifndef __NetBSD__ /* XXX nouveau pm */
nouveau_drm_ioctl(struct file * filp,unsigned int cmd,unsigned long arg)840 long nouveau_drm_ioctl(struct file *filp,
841 unsigned int cmd, unsigned long arg)
842 {
843 struct drm_file *file_priv = filp->private_data;
844 struct drm_device *dev;
845 long ret;
846 dev = file_priv->minor->dev;
847
848 ret = pm_runtime_get_sync(dev->dev);
849 if (ret < 0 && ret != -EACCES)
850 return ret;
851
852 ret = drm_ioctl(filp, cmd, arg);
853
854 pm_runtime_mark_last_busy(dev->dev);
855 pm_runtime_put_autosuspend(dev->dev);
856 return ret;
857 }
858 static const struct file_operations
859 nouveau_driver_fops = {
860 .owner = THIS_MODULE,
861 .open = drm_open,
862 .release = drm_release,
863 .unlocked_ioctl = nouveau_drm_ioctl,
864 .mmap = nouveau_ttm_mmap,
865 .poll = drm_poll,
866 .read = drm_read,
867 #if defined(CONFIG_COMPAT)
868 .compat_ioctl = nouveau_compat_ioctl,
869 #endif
870 .llseek = noop_llseek,
871 };
872 #endif
873
874 static struct drm_driver
875 driver = {
876 .driver_features =
877 DRIVER_USE_AGP |
878 DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER,
879
880 .load = nouveau_drm_load,
881 .unload = nouveau_drm_unload,
882 .open = nouveau_drm_open,
883 .preclose = nouveau_drm_preclose,
884 .postclose = nouveau_drm_postclose,
885 .lastclose = nouveau_vga_lastclose,
886
887 #if defined(CONFIG_DEBUG_FS)
888 .debugfs_init = nouveau_debugfs_init,
889 .debugfs_cleanup = nouveau_debugfs_takedown,
890 #endif
891
892 .get_vblank_counter = drm_vblank_count,
893 .enable_vblank = nouveau_display_vblank_enable,
894 .disable_vblank = nouveau_display_vblank_disable,
895 .get_scanout_position = nouveau_display_scanoutpos,
896 .get_vblank_timestamp = nouveau_display_vblstamp,
897
898 .ioctls = nouveau_ioctls,
899 .num_ioctls = ARRAY_SIZE(nouveau_ioctls),
900 #ifdef __NetBSD__
901 .fops = NULL,
902 .mmap_object = &nouveau_ttm_mmap_object,
903 .gem_uvm_ops = &nouveau_gem_uvm_ops,
904 #else
905 .fops = &nouveau_driver_fops,
906 #endif
907
908 #ifndef __NetBSD__ /* XXX drm prime */
909 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
910 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
911 .gem_prime_export = drm_gem_prime_export,
912 .gem_prime_import = drm_gem_prime_import,
913 .gem_prime_pin = nouveau_gem_prime_pin,
914 .gem_prime_unpin = nouveau_gem_prime_unpin,
915 .gem_prime_get_sg_table = nouveau_gem_prime_get_sg_table,
916 .gem_prime_import_sg_table = nouveau_gem_prime_import_sg_table,
917 .gem_prime_vmap = nouveau_gem_prime_vmap,
918 .gem_prime_vunmap = nouveau_gem_prime_vunmap,
919 #endif
920
921 .gem_free_object = nouveau_gem_object_del,
922 .gem_open_object = nouveau_gem_object_open,
923 .gem_close_object = nouveau_gem_object_close,
924
925 .dumb_create = nouveau_display_dumb_create,
926 .dumb_map_offset = nouveau_display_dumb_map_offset,
927 .dumb_destroy = drm_gem_dumb_destroy,
928
929 .name = DRIVER_NAME,
930 .desc = DRIVER_DESC,
931 #ifdef GIT_REVISION
932 .date = GIT_REVISION,
933 #else
934 .date = DRIVER_DATE,
935 #endif
936 .major = DRIVER_MAJOR,
937 .minor = DRIVER_MINOR,
938 .patchlevel = DRIVER_PATCHLEVEL,
939 };
940
941 #ifndef __NetBSD__
942 static struct pci_device_id
943 nouveau_drm_pci_table[] = {
944 {
945 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
946 .class = PCI_BASE_CLASS_DISPLAY << 16,
947 .class_mask = 0xff << 16,
948 },
949 {
950 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
951 .class = PCI_BASE_CLASS_DISPLAY << 16,
952 .class_mask = 0xff << 16,
953 },
954 {}
955 };
956 #endif
957
958 #ifndef __NetBSD__ /* XXX nouveau pm */
nouveau_pmops_runtime_suspend(struct device * dev)959 static int nouveau_pmops_runtime_suspend(struct device *dev)
960 {
961 struct pci_dev *pdev = to_pci_dev(dev);
962 struct drm_device *drm_dev = pci_get_drvdata(pdev);
963 int ret;
964
965 if (nouveau_runtime_pm == 0) {
966 pm_runtime_forbid(dev);
967 return -EBUSY;
968 }
969
970 /* are we optimus enabled? */
971 if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) {
972 DRM_DEBUG_DRIVER("failing to power off - not optimus\n");
973 pm_runtime_forbid(dev);
974 return -EBUSY;
975 }
976
977 nv_debug_level(SILENT);
978 drm_kms_helper_poll_disable(drm_dev);
979 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF);
980 nouveau_switcheroo_optimus_dsm();
981 ret = nouveau_do_suspend(drm_dev, true);
982 pci_save_state(pdev);
983 pci_disable_device(pdev);
984 pci_set_power_state(pdev, PCI_D3cold);
985 drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
986 return ret;
987 }
988
nouveau_pmops_runtime_resume(struct device * dev)989 static int nouveau_pmops_runtime_resume(struct device *dev)
990 {
991 struct pci_dev *pdev = to_pci_dev(dev);
992 struct drm_device *drm_dev = pci_get_drvdata(pdev);
993 struct nouveau_device *device = nouveau_dev(drm_dev);
994 int ret;
995
996 if (nouveau_runtime_pm == 0)
997 return -EINVAL;
998
999 pci_set_power_state(pdev, PCI_D0);
1000 pci_restore_state(pdev);
1001 ret = pci_enable_device(pdev);
1002 if (ret)
1003 return ret;
1004 pci_set_master(pdev);
1005
1006 ret = nouveau_do_resume(drm_dev);
1007 drm_kms_helper_poll_enable(drm_dev);
1008 /* do magic */
1009 nv_mask(device, 0x88488, (1 << 25), (1 << 25));
1010 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON);
1011 drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
1012 nv_debug_level(NORMAL);
1013 return ret;
1014 }
1015
nouveau_pmops_runtime_idle(struct device * dev)1016 static int nouveau_pmops_runtime_idle(struct device *dev)
1017 {
1018 struct pci_dev *pdev = to_pci_dev(dev);
1019 struct drm_device *drm_dev = pci_get_drvdata(pdev);
1020 struct nouveau_drm *drm = nouveau_drm(drm_dev);
1021 struct drm_crtc *crtc;
1022
1023 if (nouveau_runtime_pm == 0) {
1024 pm_runtime_forbid(dev);
1025 return -EBUSY;
1026 }
1027
1028 /* are we optimus enabled? */
1029 if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) {
1030 DRM_DEBUG_DRIVER("failing to power off - not optimus\n");
1031 pm_runtime_forbid(dev);
1032 return -EBUSY;
1033 }
1034
1035 #ifndef __NetBSD__ /* XXX nouveau hdmi */
1036 /* if we have a hdmi audio device - make sure it has a driver loaded */
1037 if (drm->hdmi_device) {
1038 if (!drm->hdmi_device->driver) {
1039 DRM_DEBUG_DRIVER("failing to power off - no HDMI audio driver loaded\n");
1040 pm_runtime_mark_last_busy(dev);
1041 return -EBUSY;
1042 }
1043 }
1044 #endif
1045
1046 list_for_each_entry(crtc, &drm->dev->mode_config.crtc_list, head) {
1047 if (crtc->enabled) {
1048 DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
1049 return -EBUSY;
1050 }
1051 }
1052 pm_runtime_mark_last_busy(dev);
1053 pm_runtime_autosuspend(dev);
1054 /* we don't want the main rpm_idle to call suspend - we want to autosuspend */
1055 return 1;
1056 }
1057
1058 static const struct dev_pm_ops nouveau_pm_ops = {
1059 .suspend = nouveau_pmops_suspend,
1060 .resume = nouveau_pmops_resume,
1061 .freeze = nouveau_pmops_freeze,
1062 .thaw = nouveau_pmops_thaw,
1063 .poweroff = nouveau_pmops_freeze,
1064 .restore = nouveau_pmops_resume,
1065 .runtime_suspend = nouveau_pmops_runtime_suspend,
1066 .runtime_resume = nouveau_pmops_runtime_resume,
1067 .runtime_idle = nouveau_pmops_runtime_idle,
1068 };
1069 #endif /* XXX nouveau pm */
1070
1071 #ifndef __NetBSD__
1072 static struct pci_driver
1073 nouveau_drm_pci_driver = {
1074 .name = "nouveau",
1075 .id_table = nouveau_drm_pci_table,
1076 .probe = nouveau_drm_probe,
1077 .remove = nouveau_drm_remove,
1078 .driver.pm = &nouveau_pm_ops,
1079 };
1080
nouveau_drm_platform_probe(struct platform_device * pdev)1081 int nouveau_drm_platform_probe(struct platform_device *pdev)
1082 {
1083 struct nouveau_device *device;
1084 int ret;
1085
1086 ret = nouveau_device_create(pdev, NOUVEAU_BUS_PLATFORM,
1087 nouveau_platform_name(pdev),
1088 dev_name(&pdev->dev), nouveau_config,
1089 nouveau_debug, &device);
1090
1091 ret = drm_platform_init(&driver, pdev);
1092 if (ret) {
1093 nouveau_object_ref(NULL, (struct nouveau_object **)&device);
1094 return ret;
1095 }
1096
1097 return ret;
1098 }
1099
1100 static int __init
nouveau_drm_init(void)1101 nouveau_drm_init(void)
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 nouveau_register_dsm_handler();
1114 return drm_pci_init(&driver, &nouveau_drm_pci_driver);
1115 }
1116
1117 static void __exit
nouveau_drm_exit(void)1118 nouveau_drm_exit(void)
1119 {
1120 if (!nouveau_modeset)
1121 return;
1122
1123 drm_pci_exit(&driver, &nouveau_drm_pci_driver);
1124 nouveau_unregister_dsm_handler();
1125 }
1126 #endif
1127
1128 module_init(nouveau_drm_init);
1129 module_exit(nouveau_drm_exit);
1130
1131 MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table);
1132 MODULE_AUTHOR(DRIVER_AUTHOR);
1133 MODULE_DESCRIPTION(DRIVER_DESC);
1134 MODULE_LICENSE("GPL and additional rights");
1135