2 * Copyright 2012 Red Hat Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
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>
33 #include "drm_crtc_helper.h"
35 #include <core/gpuobj.h>
36 #include <core/option.h>
38 #include <core/tegra.h>
40 #include <nvif/driver.h>
42 #include <nvif/class.h>
43 #include <nvif/cl0002.h>
44 #include <nvif/cla06f.h>
45 #include <nvif/if0004.h>
47 #include "nouveau_drv.h"
48 #include "nouveau_dma.h"
49 #include "nouveau_ttm.h"
50 #include "nouveau_gem.h"
51 #include "nouveau_vga.h"
52 #include "nouveau_led.h"
53 #include "nouveau_hwmon.h"
54 #include "nouveau_acpi.h"
55 #include "nouveau_bios.h"
56 #include "nouveau_ioctl.h"
57 #include "nouveau_abi16.h"
58 #include "nouveau_fbcon.h"
59 #include "nouveau_fence.h"
60 #include "nouveau_debugfs.h"
61 #include "nouveau_usif.h"
62 #include "nouveau_connector.h"
63 #include "nouveau_platform.h"
65 MODULE_PARM_DESC(config, "option string to pass to driver core");
66 static char *nouveau_config;
67 module_param_named(config, nouveau_config, charp, 0400);
69 MODULE_PARM_DESC(debug, "debug string to pass to driver core");
70 static char *nouveau_debug;
71 module_param_named(debug, nouveau_debug, charp, 0400);
73 MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration");
74 static int nouveau_noaccel = 0;
75 module_param_named(noaccel, nouveau_noaccel, int, 0400);
77 MODULE_PARM_DESC(modeset, "enable driver (default: auto, "
78 "0 = disabled, 1 = enabled, 2 = headless)");
79 int nouveau_modeset = -1;
80 module_param_named(modeset, nouveau_modeset, int, 0400);
82 MODULE_PARM_DESC(runpm, "disable (0), force enable (1), optimus only default (-1)");
83 int nouveau_runtime_pm = -1;
84 module_param_named(runpm, nouveau_runtime_pm, int, 0400);
86 static struct drm_driver driver_stub;
87 static struct drm_driver driver_pci;
88 static struct drm_driver driver_platform;
91 nouveau_pci_name(struct pci_dev *pdev)
93 u64 name = (u64)pci_domain_nr(pdev->bus) << 32;
94 name |= pdev->bus->number << 16;
95 name |= PCI_SLOT(pdev->devfn) << 8;
96 return name | PCI_FUNC(pdev->devfn);
100 nouveau_platform_name(struct platform_device *platformdev)
102 return platformdev->id;
106 nouveau_name(struct drm_device *dev)
109 return nouveau_pci_name(dev->pdev);
111 return nouveau_platform_name(dev->platformdev);
115 nouveau_cli_fini(struct nouveau_cli *cli)
117 nvkm_vm_ref(NULL, &nvxx_client(&cli->base)->vm, NULL);
118 usif_client_fini(cli);
119 nvif_device_fini(&cli->device);
120 nvif_client_fini(&cli->base);
124 nouveau_cli_init(struct nouveau_drm *drm, const char *sname,
125 struct nouveau_cli *cli)
127 u64 device = nouveau_name(drm->dev);
130 snprintf(cli->name, sizeof(cli->name), "%s", sname);
132 mutex_init(&cli->mutex);
133 usif_client_init(cli);
135 if (cli == &drm->client) {
136 ret = nvif_driver_init(NULL, nouveau_config, nouveau_debug,
137 cli->name, device, &cli->base);
139 ret = nvif_client_init(&drm->client.base, cli->name, device,
143 NV_ERROR(drm, "Client allocation failed: %d\n", ret);
147 ret = nvif_device_init(&cli->base.object, 0, NV_DEVICE,
148 &(struct nv_device_v0) {
150 }, sizeof(struct nv_device_v0),
153 NV_ERROR(drm, "Device allocation failed: %d\n", ret);
159 nouveau_cli_fini(cli);
164 nouveau_accel_fini(struct nouveau_drm *drm)
166 nouveau_channel_idle(drm->channel);
167 nvif_object_fini(&drm->ntfy);
168 nvkm_gpuobj_del(&drm->notify);
169 nvif_notify_fini(&drm->flip);
170 nvif_object_fini(&drm->nvsw);
171 nouveau_channel_del(&drm->channel);
173 nouveau_channel_idle(drm->cechan);
174 nvif_object_fini(&drm->ttm.copy);
175 nouveau_channel_del(&drm->cechan);
178 nouveau_fence(drm)->dtor(drm);
182 nouveau_accel_init(struct nouveau_drm *drm)
184 struct nvif_device *device = &drm->client.device;
185 struct nvif_sclass *sclass;
192 /* initialise synchronisation routines */
193 /*XXX: this is crap, but the fence/channel stuff is a little
194 * backwards in some places. this will be fixed.
196 ret = n = nvif_object_sclass_get(&device->object, &sclass);
200 for (ret = -ENOSYS, i = 0; i < n; i++) {
201 switch (sclass[i].oclass) {
202 case NV03_CHANNEL_DMA:
203 ret = nv04_fence_create(drm);
205 case NV10_CHANNEL_DMA:
206 ret = nv10_fence_create(drm);
208 case NV17_CHANNEL_DMA:
209 case NV40_CHANNEL_DMA:
210 ret = nv17_fence_create(drm);
212 case NV50_CHANNEL_GPFIFO:
213 ret = nv50_fence_create(drm);
215 case G82_CHANNEL_GPFIFO:
216 ret = nv84_fence_create(drm);
218 case FERMI_CHANNEL_GPFIFO:
219 case KEPLER_CHANNEL_GPFIFO_A:
220 case KEPLER_CHANNEL_GPFIFO_B:
221 case MAXWELL_CHANNEL_GPFIFO_A:
222 case PASCAL_CHANNEL_GPFIFO_A:
223 ret = nvc0_fence_create(drm);
230 nvif_object_sclass_put(&sclass);
232 NV_ERROR(drm, "failed to initialise sync subsystem, %d\n", ret);
233 nouveau_accel_fini(drm);
237 if (device->info.family >= NV_DEVICE_INFO_V0_KEPLER) {
238 ret = nouveau_channel_new(drm, &drm->client.device,
239 NVA06F_V0_ENGINE_CE0 |
240 NVA06F_V0_ENGINE_CE1,
243 NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
245 arg0 = NVA06F_V0_ENGINE_GR;
248 if (device->info.chipset >= 0xa3 &&
249 device->info.chipset != 0xaa &&
250 device->info.chipset != 0xac) {
251 ret = nouveau_channel_new(drm, &drm->client.device,
252 NvDmaFB, NvDmaTT, &drm->cechan);
254 NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
263 ret = nouveau_channel_new(drm, &drm->client.device,
264 arg0, arg1, &drm->channel);
266 NV_ERROR(drm, "failed to create kernel channel, %d\n", ret);
267 nouveau_accel_fini(drm);
271 ret = nvif_object_init(&drm->channel->user, NVDRM_NVSW,
272 nouveau_abi16_swclass(drm), NULL, 0, &drm->nvsw);
274 ret = RING_SPACE(drm->channel, 2);
276 if (device->info.family < NV_DEVICE_INFO_V0_FERMI) {
277 BEGIN_NV04(drm->channel, NvSubSw, 0, 1);
278 OUT_RING (drm->channel, NVDRM_NVSW);
280 if (device->info.family < NV_DEVICE_INFO_V0_KEPLER) {
281 BEGIN_NVC0(drm->channel, FermiSw, 0, 1);
282 OUT_RING (drm->channel, 0x001f0000);
286 ret = nvif_notify_init(&drm->nvsw, nouveau_flip_complete,
287 false, NV04_NVSW_NTFY_UEVENT,
288 NULL, 0, 0, &drm->flip);
290 ret = nvif_notify_get(&drm->flip);
292 nouveau_accel_fini(drm);
298 NV_ERROR(drm, "failed to allocate software object, %d\n", ret);
299 nouveau_accel_fini(drm);
303 if (device->info.family < NV_DEVICE_INFO_V0_FERMI) {
304 ret = nvkm_gpuobj_new(nvxx_device(&drm->client.device), 32, 0,
305 false, NULL, &drm->notify);
307 NV_ERROR(drm, "failed to allocate notifier, %d\n", ret);
308 nouveau_accel_fini(drm);
312 ret = nvif_object_init(&drm->channel->user, NvNotify0,
314 &(struct nv_dma_v0) {
315 .target = NV_DMA_V0_TARGET_VRAM,
316 .access = NV_DMA_V0_ACCESS_RDWR,
317 .start = drm->notify->addr,
318 .limit = drm->notify->addr + 31
319 }, sizeof(struct nv_dma_v0),
322 nouveau_accel_fini(drm);
328 nouveau_bo_move_init(drm);
331 static int nouveau_drm_probe(struct pci_dev *pdev,
332 const struct pci_device_id *pent)
334 struct nvkm_device *device;
335 struct apertures_struct *aper;
339 if (vga_switcheroo_client_probe_defer(pdev))
340 return -EPROBE_DEFER;
342 /* We need to check that the chipset is supported before booting
343 * fbdev off the hardware, as there's no way to put it back.
345 ret = nvkm_device_pci_new(pdev, NULL, "error", true, false, 0, &device);
349 nvkm_device_del(&device);
351 /* Remove conflicting drivers (vesafb, efifb etc). */
352 aper = alloc_apertures(3);
356 aper->ranges[0].base = pci_resource_start(pdev, 1);
357 aper->ranges[0].size = pci_resource_len(pdev, 1);
360 if (pci_resource_len(pdev, 2)) {
361 aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
362 aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
366 if (pci_resource_len(pdev, 3)) {
367 aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
368 aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
373 boot = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
375 if (nouveau_modeset != 2)
376 drm_fb_helper_remove_conflicting_framebuffers(aper, "nouveaufb", boot);
379 ret = nvkm_device_pci_new(pdev, nouveau_config, nouveau_debug,
380 true, true, ~0ULL, &device);
384 pci_set_master(pdev);
386 ret = drm_get_pci_dev(pdev, pent, &driver_pci);
388 nvkm_device_del(&device);
395 #define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403
398 nouveau_get_hdmi_dev(struct nouveau_drm *drm)
400 struct pci_dev *pdev = drm->dev->pdev;
403 NV_DEBUG(drm, "not a PCI device; no HDMI\n");
404 drm->hdmi_device = NULL;
408 /* subfunction one is a hdmi audio device? */
409 drm->hdmi_device = pci_get_bus_and_slot((unsigned int)pdev->bus->number,
410 PCI_DEVFN(PCI_SLOT(pdev->devfn), 1));
412 if (!drm->hdmi_device) {
413 NV_DEBUG(drm, "hdmi device not found %d %d %d\n", pdev->bus->number, PCI_SLOT(pdev->devfn), 1);
417 if ((drm->hdmi_device->class >> 8) != PCI_CLASS_MULTIMEDIA_HD_AUDIO) {
418 NV_DEBUG(drm, "possible hdmi device not audio %d\n", drm->hdmi_device->class);
419 pci_dev_put(drm->hdmi_device);
420 drm->hdmi_device = NULL;
426 nouveau_drm_load(struct drm_device *dev, unsigned long flags)
428 struct nouveau_drm *drm;
431 if (!(drm = kzalloc(sizeof(*drm), GFP_KERNEL)))
433 dev->dev_private = drm;
436 ret = nouveau_cli_init(drm, "DRM", &drm->client);
440 dev->irq_enabled = true;
442 nvxx_client(&drm->client.base)->debug =
443 nvkm_dbgopt(nouveau_debug, "DRM");
445 INIT_LIST_HEAD(&drm->clients);
446 spin_lock_init(&drm->tile.lock);
448 nouveau_get_hdmi_dev(drm);
450 /* workaround an odd issue on nvc1 by disabling the device's
451 * nosnoop capability. hopefully won't cause issues until a
452 * better fix is found - assuming there is one...
454 if (drm->client.device.info.chipset == 0xc1)
455 nvif_mask(&drm->client.device.object, 0x00088080, 0x00000800, 0x00000000);
457 nouveau_vga_init(drm);
459 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
460 if (!nvxx_device(&drm->client.device)->mmu) {
465 ret = nvkm_vm_new(nvxx_device(&drm->client.device),
466 0, (1ULL << 40), 0x1000, NULL,
471 nvxx_client(&drm->client.base)->vm = drm->client.vm;
474 ret = nouveau_ttm_init(drm);
478 ret = nouveau_bios_init(dev);
482 ret = nouveau_display_create(dev);
486 if (dev->mode_config.num_crtc) {
487 ret = nouveau_display_init(dev);
492 nouveau_debugfs_init(drm);
493 nouveau_hwmon_init(dev);
494 nouveau_accel_init(drm);
495 nouveau_fbcon_init(dev);
496 nouveau_led_init(dev);
498 if (nouveau_runtime_pm != 0) {
499 pm_runtime_use_autosuspend(dev->dev);
500 pm_runtime_set_autosuspend_delay(dev->dev, 5000);
501 pm_runtime_set_active(dev->dev);
502 pm_runtime_allow(dev->dev);
503 pm_runtime_mark_last_busy(dev->dev);
504 pm_runtime_put(dev->dev);
509 nouveau_display_destroy(dev);
511 nouveau_bios_takedown(dev);
513 nouveau_ttm_fini(drm);
515 nouveau_vga_fini(drm);
517 nouveau_cli_fini(&drm->client);
523 nouveau_drm_unload(struct drm_device *dev)
525 struct nouveau_drm *drm = nouveau_drm(dev);
527 if (nouveau_runtime_pm != 0) {
528 pm_runtime_get_sync(dev->dev);
529 pm_runtime_forbid(dev->dev);
532 nouveau_led_fini(dev);
533 nouveau_fbcon_fini(dev);
534 nouveau_accel_fini(drm);
535 nouveau_hwmon_fini(dev);
536 nouveau_debugfs_fini(drm);
538 if (dev->mode_config.num_crtc)
539 nouveau_display_fini(dev, false);
540 nouveau_display_destroy(dev);
542 nouveau_bios_takedown(dev);
544 nouveau_ttm_fini(drm);
545 nouveau_vga_fini(drm);
547 if (drm->hdmi_device)
548 pci_dev_put(drm->hdmi_device);
549 nouveau_cli_fini(&drm->client);
554 nouveau_drm_device_remove(struct drm_device *dev)
556 struct nouveau_drm *drm = nouveau_drm(dev);
557 struct nvkm_client *client;
558 struct nvkm_device *device;
560 dev->irq_enabled = false;
561 client = nvxx_client(&drm->client.base);
562 device = nvkm_device_find(client->device);
565 nvkm_device_del(&device);
569 nouveau_drm_remove(struct pci_dev *pdev)
571 struct drm_device *dev = pci_get_drvdata(pdev);
573 nouveau_drm_device_remove(dev);
577 nouveau_do_suspend(struct drm_device *dev, bool runtime)
579 struct nouveau_drm *drm = nouveau_drm(dev);
582 nouveau_led_suspend(dev);
584 if (dev->mode_config.num_crtc) {
585 NV_INFO(drm, "suspending console...\n");
586 nouveau_fbcon_set_suspend(dev, 1);
587 NV_INFO(drm, "suspending display...\n");
588 ret = nouveau_display_suspend(dev, runtime);
593 NV_INFO(drm, "evicting buffers...\n");
594 ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM);
596 NV_INFO(drm, "waiting for kernel channels to go idle...\n");
598 ret = nouveau_channel_idle(drm->cechan);
604 ret = nouveau_channel_idle(drm->channel);
609 NV_INFO(drm, "suspending fence...\n");
610 if (drm->fence && nouveau_fence(drm)->suspend) {
611 if (!nouveau_fence(drm)->suspend(drm)) {
617 NV_INFO(drm, "suspending object tree...\n");
618 ret = nvif_client_suspend(&drm->client.base);
625 if (drm->fence && nouveau_fence(drm)->resume)
626 nouveau_fence(drm)->resume(drm);
629 if (dev->mode_config.num_crtc) {
630 NV_INFO(drm, "resuming display...\n");
631 nouveau_display_resume(dev, runtime);
637 nouveau_do_resume(struct drm_device *dev, bool runtime)
639 struct nouveau_drm *drm = nouveau_drm(dev);
641 NV_INFO(drm, "resuming object tree...\n");
642 nvif_client_resume(&drm->client.base);
644 NV_INFO(drm, "resuming fence...\n");
645 if (drm->fence && nouveau_fence(drm)->resume)
646 nouveau_fence(drm)->resume(drm);
648 nouveau_run_vbios_init(dev);
650 if (dev->mode_config.num_crtc) {
651 NV_INFO(drm, "resuming display...\n");
652 nouveau_display_resume(dev, runtime);
653 NV_INFO(drm, "resuming console...\n");
654 nouveau_fbcon_set_suspend(dev, 0);
657 nouveau_led_resume(dev);
663 nouveau_pmops_suspend(struct device *dev)
665 struct pci_dev *pdev = to_pci_dev(dev);
666 struct drm_device *drm_dev = pci_get_drvdata(pdev);
669 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
670 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
673 ret = nouveau_do_suspend(drm_dev, false);
677 pci_save_state(pdev);
678 pci_disable_device(pdev);
679 pci_set_power_state(pdev, PCI_D3hot);
685 nouveau_pmops_resume(struct device *dev)
687 struct pci_dev *pdev = to_pci_dev(dev);
688 struct drm_device *drm_dev = pci_get_drvdata(pdev);
691 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
692 drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
695 pci_set_power_state(pdev, PCI_D0);
696 pci_restore_state(pdev);
697 ret = pci_enable_device(pdev);
700 pci_set_master(pdev);
702 ret = nouveau_do_resume(drm_dev, false);
704 /* Monitors may have been connected / disconnected during suspend */
705 schedule_work(&nouveau_drm(drm_dev)->hpd_work);
711 nouveau_pmops_freeze(struct device *dev)
713 struct pci_dev *pdev = to_pci_dev(dev);
714 struct drm_device *drm_dev = pci_get_drvdata(pdev);
715 return nouveau_do_suspend(drm_dev, false);
719 nouveau_pmops_thaw(struct device *dev)
721 struct pci_dev *pdev = to_pci_dev(dev);
722 struct drm_device *drm_dev = pci_get_drvdata(pdev);
723 return nouveau_do_resume(drm_dev, false);
727 nouveau_pmops_runtime_suspend(struct device *dev)
729 struct pci_dev *pdev = to_pci_dev(dev);
730 struct drm_device *drm_dev = pci_get_drvdata(pdev);
733 if (nouveau_runtime_pm == 0) {
734 pm_runtime_forbid(dev);
738 /* are we optimus enabled? */
739 if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) {
740 DRM_DEBUG_DRIVER("failing to power off - not optimus\n");
741 pm_runtime_forbid(dev);
745 drm_kms_helper_poll_disable(drm_dev);
746 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF);
747 nouveau_switcheroo_optimus_dsm();
748 ret = nouveau_do_suspend(drm_dev, true);
749 pci_save_state(pdev);
750 pci_disable_device(pdev);
751 pci_ignore_hotplug(pdev);
752 pci_set_power_state(pdev, PCI_D3cold);
753 drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
758 nouveau_pmops_runtime_resume(struct device *dev)
760 struct pci_dev *pdev = to_pci_dev(dev);
761 struct drm_device *drm_dev = pci_get_drvdata(pdev);
762 struct nvif_device *device = &nouveau_drm(drm_dev)->client.device;
765 if (nouveau_runtime_pm == 0)
768 pci_set_power_state(pdev, PCI_D0);
769 pci_restore_state(pdev);
770 ret = pci_enable_device(pdev);
773 pci_set_master(pdev);
775 ret = nouveau_do_resume(drm_dev, true);
777 if (!drm_dev->mode_config.poll_enabled)
778 drm_kms_helper_poll_enable(drm_dev);
781 nvif_mask(&device->object, 0x088488, (1 << 25), (1 << 25));
782 vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON);
783 drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
785 /* Monitors may have been connected / disconnected during suspend */
786 schedule_work(&nouveau_drm(drm_dev)->hpd_work);
792 nouveau_pmops_runtime_idle(struct device *dev)
794 struct pci_dev *pdev = to_pci_dev(dev);
795 struct drm_device *drm_dev = pci_get_drvdata(pdev);
796 struct nouveau_drm *drm = nouveau_drm(drm_dev);
797 struct drm_crtc *crtc;
799 if (nouveau_runtime_pm == 0) {
800 pm_runtime_forbid(dev);
804 /* are we optimus enabled? */
805 if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) {
806 DRM_DEBUG_DRIVER("failing to power off - not optimus\n");
807 pm_runtime_forbid(dev);
811 /* if we have a hdmi audio device - make sure it has a driver loaded */
812 if (drm->hdmi_device) {
813 if (!drm->hdmi_device->driver) {
814 DRM_DEBUG_DRIVER("failing to power off - no HDMI audio driver loaded\n");
815 pm_runtime_mark_last_busy(dev);
820 list_for_each_entry(crtc, &drm->dev->mode_config.crtc_list, head) {
822 DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
826 pm_runtime_mark_last_busy(dev);
827 pm_runtime_autosuspend(dev);
828 /* we don't want the main rpm_idle to call suspend - we want to autosuspend */
833 nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
835 struct nouveau_drm *drm = nouveau_drm(dev);
836 struct nouveau_cli *cli;
837 char name[32], tmpname[TASK_COMM_LEN];
840 /* need to bring up power immediately if opening device */
841 ret = pm_runtime_get_sync(dev->dev);
842 if (ret < 0 && ret != -EACCES)
845 get_task_comm(tmpname, current);
846 snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
848 if (!(cli = kzalloc(sizeof(*cli), GFP_KERNEL)))
851 ret = nouveau_cli_init(drm, name, cli);
855 cli->base.super = false;
857 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
858 ret = nvkm_vm_new(nvxx_device(&drm->client.device), 0,
859 (1ULL << 40), 0x1000, NULL, &cli->vm);
863 nvxx_client(&cli->base)->vm = cli->vm;
866 fpriv->driver_priv = cli;
868 mutex_lock(&drm->client.mutex);
869 list_add(&cli->head, &drm->clients);
870 mutex_unlock(&drm->client.mutex);
874 nouveau_cli_fini(cli);
878 pm_runtime_mark_last_busy(dev->dev);
879 pm_runtime_put_autosuspend(dev->dev);
884 nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv)
886 struct nouveau_cli *cli = nouveau_cli(fpriv);
887 struct nouveau_drm *drm = nouveau_drm(dev);
889 pm_runtime_get_sync(dev->dev);
891 mutex_lock(&cli->mutex);
893 nouveau_abi16_fini(cli->abi16);
894 mutex_unlock(&cli->mutex);
896 mutex_lock(&drm->client.mutex);
897 list_del(&cli->head);
898 mutex_unlock(&drm->client.mutex);
903 nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv)
905 struct nouveau_cli *cli = nouveau_cli(fpriv);
906 nouveau_cli_fini(cli);
908 pm_runtime_mark_last_busy(dev->dev);
909 pm_runtime_put_autosuspend(dev->dev);
912 static const struct drm_ioctl_desc
914 DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_AUTH|DRM_RENDER_ALLOW),
915 DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
916 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_AUTH|DRM_RENDER_ALLOW),
917 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_AUTH|DRM_RENDER_ALLOW),
918 DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_AUTH|DRM_RENDER_ALLOW),
919 DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_AUTH|DRM_RENDER_ALLOW),
920 DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_AUTH|DRM_RENDER_ALLOW),
921 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_AUTH|DRM_RENDER_ALLOW),
922 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_AUTH|DRM_RENDER_ALLOW),
923 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_AUTH|DRM_RENDER_ALLOW),
924 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_AUTH|DRM_RENDER_ALLOW),
925 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_AUTH|DRM_RENDER_ALLOW),
929 nouveau_drm_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
931 struct drm_file *filp = file->private_data;
932 struct drm_device *dev = filp->minor->dev;
935 ret = pm_runtime_get_sync(dev->dev);
936 if (ret < 0 && ret != -EACCES)
939 switch (_IOC_NR(cmd) - DRM_COMMAND_BASE) {
940 case DRM_NOUVEAU_NVIF:
941 ret = usif_ioctl(filp, (void __user *)arg, _IOC_SIZE(cmd));
944 ret = drm_ioctl(file, cmd, arg);
948 pm_runtime_mark_last_busy(dev->dev);
949 pm_runtime_put_autosuspend(dev->dev);
953 static const struct file_operations
954 nouveau_driver_fops = {
955 .owner = THIS_MODULE,
957 .release = drm_release,
958 .unlocked_ioctl = nouveau_drm_ioctl,
959 .mmap = nouveau_ttm_mmap,
962 #if defined(CONFIG_COMPAT)
963 .compat_ioctl = nouveau_compat_ioctl,
965 .llseek = noop_llseek,
968 static struct drm_driver
971 DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER |
972 DRIVER_KMS_LEGACY_CONTEXT,
974 .load = nouveau_drm_load,
975 .unload = nouveau_drm_unload,
976 .open = nouveau_drm_open,
977 .preclose = nouveau_drm_preclose,
978 .postclose = nouveau_drm_postclose,
979 .lastclose = nouveau_vga_lastclose,
981 #if defined(CONFIG_DEBUG_FS)
982 .debugfs_init = nouveau_drm_debugfs_init,
983 .debugfs_cleanup = nouveau_drm_debugfs_cleanup,
986 .get_vblank_counter = drm_vblank_no_hw_counter,
987 .enable_vblank = nouveau_display_vblank_enable,
988 .disable_vblank = nouveau_display_vblank_disable,
989 .get_scanout_position = nouveau_display_scanoutpos,
990 .get_vblank_timestamp = nouveau_display_vblstamp,
992 .ioctls = nouveau_ioctls,
993 .num_ioctls = ARRAY_SIZE(nouveau_ioctls),
994 .fops = &nouveau_driver_fops,
996 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
997 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
998 .gem_prime_export = drm_gem_prime_export,
999 .gem_prime_import = drm_gem_prime_import,
1000 .gem_prime_pin = nouveau_gem_prime_pin,
1001 .gem_prime_res_obj = nouveau_gem_prime_res_obj,
1002 .gem_prime_unpin = nouveau_gem_prime_unpin,
1003 .gem_prime_get_sg_table = nouveau_gem_prime_get_sg_table,
1004 .gem_prime_import_sg_table = nouveau_gem_prime_import_sg_table,
1005 .gem_prime_vmap = nouveau_gem_prime_vmap,
1006 .gem_prime_vunmap = nouveau_gem_prime_vunmap,
1008 .gem_free_object_unlocked = nouveau_gem_object_del,
1009 .gem_open_object = nouveau_gem_object_open,
1010 .gem_close_object = nouveau_gem_object_close,
1012 .dumb_create = nouveau_display_dumb_create,
1013 .dumb_map_offset = nouveau_display_dumb_map_offset,
1014 .dumb_destroy = drm_gem_dumb_destroy,
1016 .name = DRIVER_NAME,
1017 .desc = DRIVER_DESC,
1019 .date = GIT_REVISION,
1021 .date = DRIVER_DATE,
1023 .major = DRIVER_MAJOR,
1024 .minor = DRIVER_MINOR,
1025 .patchlevel = DRIVER_PATCHLEVEL,
1028 static struct pci_device_id
1029 nouveau_drm_pci_table[] = {
1031 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
1032 .class = PCI_BASE_CLASS_DISPLAY << 16,
1033 .class_mask = 0xff << 16,
1036 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
1037 .class = PCI_BASE_CLASS_DISPLAY << 16,
1038 .class_mask = 0xff << 16,
1043 static void nouveau_display_options(void)
1045 DRM_DEBUG_DRIVER("Loading Nouveau with parameters:\n");
1047 DRM_DEBUG_DRIVER("... tv_disable : %d\n", nouveau_tv_disable);
1048 DRM_DEBUG_DRIVER("... ignorelid : %d\n", nouveau_ignorelid);
1049 DRM_DEBUG_DRIVER("... duallink : %d\n", nouveau_duallink);
1050 DRM_DEBUG_DRIVER("... nofbaccel : %d\n", nouveau_nofbaccel);
1051 DRM_DEBUG_DRIVER("... config : %s\n", nouveau_config);
1052 DRM_DEBUG_DRIVER("... debug : %s\n", nouveau_debug);
1053 DRM_DEBUG_DRIVER("... noaccel : %d\n", nouveau_noaccel);
1054 DRM_DEBUG_DRIVER("... modeset : %d\n", nouveau_modeset);
1055 DRM_DEBUG_DRIVER("... runpm : %d\n", nouveau_runtime_pm);
1056 DRM_DEBUG_DRIVER("... vram_pushbuf : %d\n", nouveau_vram_pushbuf);
1057 DRM_DEBUG_DRIVER("... hdmimhz : %d\n", nouveau_hdmimhz);
1060 static const struct dev_pm_ops nouveau_pm_ops = {
1061 .suspend = nouveau_pmops_suspend,
1062 .resume = nouveau_pmops_resume,
1063 .freeze = nouveau_pmops_freeze,
1064 .thaw = nouveau_pmops_thaw,
1065 .poweroff = nouveau_pmops_freeze,
1066 .restore = nouveau_pmops_resume,
1067 .runtime_suspend = nouveau_pmops_runtime_suspend,
1068 .runtime_resume = nouveau_pmops_runtime_resume,
1069 .runtime_idle = nouveau_pmops_runtime_idle,
1072 static struct pci_driver
1073 nouveau_drm_pci_driver = {
1075 .id_table = nouveau_drm_pci_table,
1076 .probe = nouveau_drm_probe,
1077 .remove = nouveau_drm_remove,
1078 .driver.pm = &nouveau_pm_ops,
1082 nouveau_platform_device_create(const struct nvkm_device_tegra_func *func,
1083 struct platform_device *pdev,
1084 struct nvkm_device **pdevice)
1086 struct drm_device *drm;
1089 err = nvkm_device_tegra_new(func, pdev, nouveau_config, nouveau_debug,
1090 true, true, ~0ULL, pdevice);
1094 drm = drm_dev_alloc(&driver_platform, &pdev->dev);
1100 drm->platformdev = pdev;
1101 platform_set_drvdata(pdev, drm);
1106 nvkm_device_del(pdevice);
1108 return ERR_PTR(err);
1112 nouveau_drm_init(void)
1114 driver_pci = driver_stub;
1115 driver_pci.set_busid = drm_pci_set_busid;
1116 driver_platform = driver_stub;
1118 nouveau_display_options();
1120 if (nouveau_modeset == -1) {
1121 if (vgacon_text_force())
1122 nouveau_modeset = 0;
1125 if (!nouveau_modeset)
1128 #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER
1129 platform_driver_register(&nouveau_platform_driver);
1132 nouveau_register_dsm_handler();
1133 nouveau_backlight_ctor();
1134 return drm_pci_init(&driver_pci, &nouveau_drm_pci_driver);
1138 nouveau_drm_exit(void)
1140 if (!nouveau_modeset)
1143 drm_pci_exit(&driver_pci, &nouveau_drm_pci_driver);
1144 nouveau_backlight_dtor();
1145 nouveau_unregister_dsm_handler();
1147 #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER
1148 platform_driver_unregister(&nouveau_platform_driver);
1152 module_init(nouveau_drm_init);
1153 module_exit(nouveau_drm_exit);
1155 MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table);
1156 MODULE_AUTHOR(DRIVER_AUTHOR);
1157 MODULE_DESCRIPTION(DRIVER_DESC);
1158 MODULE_LICENSE("GPL and additional rights");