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/module.h>
27 #include <linux/pci.h>
29 #include <core/device.h>
30 #include <core/client.h>
31 #include <core/gpuobj.h>
32 #include <core/class.h>
34 #include <subdev/device.h>
35 #include <subdev/vm.h>
37 #include "nouveau_drm.h"
38 #include "nouveau_irq.h"
39 #include "nouveau_dma.h"
40 #include "nouveau_ttm.h"
41 #include "nouveau_gem.h"
42 #include "nouveau_agp.h"
43 #include "nouveau_vga.h"
44 #include "nouveau_pm.h"
45 #include "nouveau_acpi.h"
46 #include "nouveau_bios.h"
47 #include "nouveau_ioctl.h"
48 #include "nouveau_abi16.h"
49 #include "nouveau_fbcon.h"
50 #include "nouveau_fence.h"
52 MODULE_PARM_DESC(config, "option string to pass to driver core");
53 static char *nouveau_config;
54 module_param_named(config, nouveau_config, charp, 0400);
56 MODULE_PARM_DESC(debug, "debug string to pass to driver core");
57 static char *nouveau_debug;
58 module_param_named(debug, nouveau_debug, charp, 0400);
60 MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration");
61 static int nouveau_noaccel = 0;
62 module_param_named(noaccel, nouveau_noaccel, int, 0400);
64 MODULE_PARM_DESC(modeset, "enable driver (default: auto, "
65 "0 = disabled, 1 = enabled, 2 = headless)");
66 int nouveau_modeset = -1;
67 module_param_named(modeset, nouveau_modeset, int, 0400);
69 static struct drm_driver driver;
72 nouveau_name(struct pci_dev *pdev)
74 u64 name = (u64)pci_domain_nr(pdev->bus) << 32;
75 name |= pdev->bus->number << 16;
76 name |= PCI_SLOT(pdev->devfn) << 8;
77 return name | PCI_FUNC(pdev->devfn);
81 nouveau_cli_create(struct pci_dev *pdev, const char *name,
82 int size, void **pcli)
84 struct nouveau_cli *cli;
88 ret = nouveau_client_create_(name, nouveau_name(pdev), nouveau_config,
89 nouveau_debug, size, pcli);
93 nouveau_client_destroy(&cli->base);
98 mutex_init(&cli->mutex);
103 nouveau_cli_destroy(struct nouveau_cli *cli)
105 struct nouveau_object *client = nv_object(cli);
106 nouveau_vm_ref(NULL, &cli->base.vm, NULL);
107 nouveau_client_fini(&cli->base, false);
108 atomic_set(&client->refcount, 1);
109 nouveau_object_ref(NULL, &client);
113 nouveau_accel_fini(struct nouveau_drm *drm)
115 nouveau_gpuobj_ref(NULL, &drm->notify);
116 nouveau_channel_del(&drm->channel);
117 nouveau_channel_del(&drm->cechan);
119 nouveau_fence(drm)->dtor(drm);
123 nouveau_accel_init(struct nouveau_drm *drm)
125 struct nouveau_device *device = nv_device(drm->device);
126 struct nouveau_object *object;
133 /* initialise synchronisation routines */
134 if (device->card_type < NV_10) ret = nv04_fence_create(drm);
135 else if (device->card_type < NV_50) ret = nv10_fence_create(drm);
136 else if (device->chipset < 0x84) ret = nv50_fence_create(drm);
137 else if (device->card_type < NV_C0) ret = nv84_fence_create(drm);
138 else ret = nvc0_fence_create(drm);
140 NV_ERROR(drm, "failed to initialise sync subsystem, %d\n", ret);
141 nouveau_accel_fini(drm);
145 if (device->card_type >= NV_E0) {
146 ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE,
148 NVE0_CHANNEL_IND_ENGINE_CE0 |
149 NVE0_CHANNEL_IND_ENGINE_CE1, 0,
152 NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
154 arg0 = NVE0_CHANNEL_IND_ENGINE_GR;
161 ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE, NVDRM_CHAN,
162 arg0, arg1, &drm->channel);
164 NV_ERROR(drm, "failed to create kernel channel, %d\n", ret);
165 nouveau_accel_fini(drm);
169 if (device->card_type < NV_C0) {
170 ret = nouveau_gpuobj_new(drm->device, NULL, 32, 0, 0,
173 NV_ERROR(drm, "failed to allocate notifier, %d\n", ret);
174 nouveau_accel_fini(drm);
178 ret = nouveau_object_new(nv_object(drm),
179 drm->channel->handle, NvNotify0,
180 0x003d, &(struct nv_dma_class) {
181 .flags = NV_DMA_TARGET_VRAM |
183 .start = drm->notify->addr,
184 .limit = drm->notify->addr + 31
185 }, sizeof(struct nv_dma_class),
188 nouveau_accel_fini(drm);
194 nouveau_bo_move_init(drm);
197 static int nouveau_drm_probe(struct pci_dev *pdev,
198 const struct pci_device_id *pent)
200 struct nouveau_device *device;
201 struct apertures_struct *aper;
205 /* remove conflicting drivers (vesafb, efifb etc) */
206 aper = alloc_apertures(3);
210 aper->ranges[0].base = pci_resource_start(pdev, 1);
211 aper->ranges[0].size = pci_resource_len(pdev, 1);
214 if (pci_resource_len(pdev, 2)) {
215 aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
216 aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
220 if (pci_resource_len(pdev, 3)) {
221 aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
222 aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
227 boot = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
229 remove_conflicting_framebuffers(aper, "nouveaufb", boot);
232 ret = nouveau_device_create(pdev, nouveau_name(pdev), pci_name(pdev),
233 nouveau_config, nouveau_debug, &device);
237 pci_set_master(pdev);
239 ret = drm_get_pci_dev(pdev, pent, &driver);
241 nouveau_object_ref(NULL, (struct nouveau_object **)&device);
248 static struct lock_class_key drm_client_lock_class_key;
251 nouveau_drm_load(struct drm_device *dev, unsigned long flags)
253 struct pci_dev *pdev = dev->pdev;
254 struct nouveau_device *device;
255 struct nouveau_drm *drm;
258 ret = nouveau_cli_create(pdev, "DRM", sizeof(*drm), (void**)&drm);
261 lockdep_set_class(&drm->client.mutex, &drm_client_lock_class_key);
263 dev->dev_private = drm;
266 INIT_LIST_HEAD(&drm->clients);
267 spin_lock_init(&drm->tile.lock);
269 /* make sure AGP controller is in a consistent state before we
270 * (possibly) execute vbios init tables (see nouveau_agp.h)
272 if (drm_pci_device_is_agp(dev) && dev->agp) {
273 /* dummy device object, doesn't init anything, but allows
274 * agp code access to registers
276 ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT,
277 NVDRM_DEVICE, 0x0080,
278 &(struct nv_device_class) {
281 ~(NV_DEVICE_DISABLE_MMIO |
282 NV_DEVICE_DISABLE_IDENTIFY),
284 }, sizeof(struct nv_device_class),
289 nouveau_agp_reset(drm);
290 nouveau_object_del(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE);
293 ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE,
294 0x0080, &(struct nv_device_class) {
298 }, sizeof(struct nv_device_class),
303 /* workaround an odd issue on nvc1 by disabling the device's
304 * nosnoop capability. hopefully won't cause issues until a
305 * better fix is found - assuming there is one...
307 device = nv_device(drm->device);
308 if (nv_device(drm->device)->chipset == 0xc1)
309 nv_mask(device, 0x00088080, 0x00000800, 0x00000000);
311 nouveau_vga_init(drm);
312 nouveau_agp_init(drm);
314 if (device->card_type >= NV_50) {
315 ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40),
316 0x1000, &drm->client.base.vm);
321 ret = nouveau_ttm_init(drm);
325 ret = nouveau_bios_init(dev);
329 ret = nouveau_irq_init(dev);
333 ret = nouveau_display_create(dev);
337 if (dev->mode_config.num_crtc) {
338 ret = nouveau_display_init(dev);
343 nouveau_pm_init(dev);
345 nouveau_accel_init(drm);
346 nouveau_fbcon_init(dev);
350 nouveau_display_destroy(dev);
352 nouveau_irq_fini(dev);
354 nouveau_bios_takedown(dev);
356 nouveau_ttm_fini(drm);
358 nouveau_agp_fini(drm);
359 nouveau_vga_fini(drm);
361 nouveau_cli_destroy(&drm->client);
366 nouveau_drm_unload(struct drm_device *dev)
368 struct nouveau_drm *drm = nouveau_drm(dev);
370 nouveau_fbcon_fini(dev);
371 nouveau_accel_fini(drm);
373 nouveau_pm_fini(dev);
375 if (dev->mode_config.num_crtc)
376 nouveau_display_fini(dev);
377 nouveau_display_destroy(dev);
379 nouveau_irq_fini(dev);
380 nouveau_bios_takedown(dev);
382 nouveau_ttm_fini(drm);
383 nouveau_agp_fini(drm);
384 nouveau_vga_fini(drm);
386 nouveau_cli_destroy(&drm->client);
391 nouveau_drm_remove(struct pci_dev *pdev)
393 struct drm_device *dev = pci_get_drvdata(pdev);
394 struct nouveau_drm *drm = nouveau_drm(dev);
395 struct nouveau_object *device;
397 device = drm->client.base.device;
400 nouveau_object_ref(NULL, &device);
401 nouveau_object_debug();
405 nouveau_do_suspend(struct drm_device *dev)
407 struct nouveau_drm *drm = nouveau_drm(dev);
408 struct nouveau_cli *cli;
411 if (dev->mode_config.num_crtc) {
412 NV_INFO(drm, "suspending fbcon...\n");
413 nouveau_fbcon_set_suspend(dev, 1);
415 NV_INFO(drm, "suspending display...\n");
416 ret = nouveau_display_suspend(dev);
421 NV_INFO(drm, "evicting buffers...\n");
422 ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM);
424 if (drm->fence && nouveau_fence(drm)->suspend) {
425 if (!nouveau_fence(drm)->suspend(drm))
429 NV_INFO(drm, "suspending client object trees...\n");
430 list_for_each_entry(cli, &drm->clients, head) {
431 ret = nouveau_client_fini(&cli->base, true);
436 ret = nouveau_client_fini(&drm->client.base, true);
440 nouveau_agp_fini(drm);
444 list_for_each_entry_continue_reverse(cli, &drm->clients, head) {
445 nouveau_client_init(&cli->base);
448 if (dev->mode_config.num_crtc) {
449 NV_INFO(drm, "resuming display...\n");
450 nouveau_display_resume(dev);
455 int nouveau_pmops_suspend(struct device *dev)
457 struct pci_dev *pdev = to_pci_dev(dev);
458 struct drm_device *drm_dev = pci_get_drvdata(pdev);
461 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF)
464 ret = nouveau_do_suspend(drm_dev);
468 pci_save_state(pdev);
469 pci_disable_device(pdev);
470 pci_set_power_state(pdev, PCI_D3hot);
476 nouveau_do_resume(struct drm_device *dev)
478 struct nouveau_drm *drm = nouveau_drm(dev);
479 struct nouveau_cli *cli;
481 NV_INFO(drm, "re-enabling device...\n");
483 nouveau_agp_reset(drm);
485 NV_INFO(drm, "resuming client object trees...\n");
486 nouveau_client_init(&drm->client.base);
487 nouveau_agp_init(drm);
489 list_for_each_entry(cli, &drm->clients, head) {
490 nouveau_client_init(&cli->base);
493 if (drm->fence && nouveau_fence(drm)->resume)
494 nouveau_fence(drm)->resume(drm);
496 nouveau_run_vbios_init(dev);
497 nouveau_irq_postinstall(dev);
498 nouveau_pm_resume(dev);
500 if (dev->mode_config.num_crtc) {
501 NV_INFO(drm, "resuming display...\n");
502 nouveau_display_resume(dev);
507 int nouveau_pmops_resume(struct device *dev)
509 struct pci_dev *pdev = to_pci_dev(dev);
510 struct drm_device *drm_dev = pci_get_drvdata(pdev);
513 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF)
516 pci_set_power_state(pdev, PCI_D0);
517 pci_restore_state(pdev);
518 ret = pci_enable_device(pdev);
521 pci_set_master(pdev);
523 return nouveau_do_resume(drm_dev);
526 static int nouveau_pmops_freeze(struct device *dev)
528 struct pci_dev *pdev = to_pci_dev(dev);
529 struct drm_device *drm_dev = pci_get_drvdata(pdev);
531 return nouveau_do_suspend(drm_dev);
534 static int nouveau_pmops_thaw(struct device *dev)
536 struct pci_dev *pdev = to_pci_dev(dev);
537 struct drm_device *drm_dev = pci_get_drvdata(pdev);
539 return nouveau_do_resume(drm_dev);
544 nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
546 struct pci_dev *pdev = dev->pdev;
547 struct nouveau_drm *drm = nouveau_drm(dev);
548 struct nouveau_cli *cli;
552 snprintf(name, sizeof(name), "%d", pid_nr(fpriv->pid));
554 ret = nouveau_cli_create(pdev, name, sizeof(*cli), (void **)&cli);
558 if (nv_device(drm->device)->card_type >= NV_50) {
559 ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40),
560 0x1000, &cli->base.vm);
562 nouveau_cli_destroy(cli);
567 fpriv->driver_priv = cli;
569 mutex_lock(&drm->client.mutex);
570 list_add(&cli->head, &drm->clients);
571 mutex_unlock(&drm->client.mutex);
576 nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv)
578 struct nouveau_cli *cli = nouveau_cli(fpriv);
579 struct nouveau_drm *drm = nouveau_drm(dev);
582 nouveau_abi16_fini(cli->abi16);
584 mutex_lock(&drm->client.mutex);
585 list_del(&cli->head);
586 mutex_unlock(&drm->client.mutex);
590 nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv)
592 struct nouveau_cli *cli = nouveau_cli(fpriv);
593 nouveau_cli_destroy(cli);
596 static struct drm_ioctl_desc
598 DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_UNLOCKED|DRM_AUTH),
599 DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_UNLOCKED|DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
600 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_UNLOCKED|DRM_AUTH),
601 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_UNLOCKED|DRM_AUTH),
602 DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_UNLOCKED|DRM_AUTH),
603 DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_UNLOCKED|DRM_AUTH),
604 DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_UNLOCKED|DRM_AUTH),
605 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_UNLOCKED|DRM_AUTH),
606 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_UNLOCKED|DRM_AUTH),
607 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_UNLOCKED|DRM_AUTH),
608 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_UNLOCKED|DRM_AUTH),
609 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_UNLOCKED|DRM_AUTH),
612 static const struct file_operations
613 nouveau_driver_fops = {
614 .owner = THIS_MODULE,
616 .release = drm_release,
617 .unlocked_ioctl = drm_ioctl,
618 .mmap = nouveau_ttm_mmap,
620 .fasync = drm_fasync,
622 #if defined(CONFIG_COMPAT)
623 .compat_ioctl = nouveau_compat_ioctl,
625 .llseek = noop_llseek,
628 static struct drm_driver
631 DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_SG |
632 DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
633 DRIVER_MODESET | DRIVER_PRIME,
635 .load = nouveau_drm_load,
636 .unload = nouveau_drm_unload,
637 .open = nouveau_drm_open,
638 .preclose = nouveau_drm_preclose,
639 .postclose = nouveau_drm_postclose,
640 .lastclose = nouveau_vga_lastclose,
642 .irq_preinstall = nouveau_irq_preinstall,
643 .irq_postinstall = nouveau_irq_postinstall,
644 .irq_uninstall = nouveau_irq_uninstall,
645 .irq_handler = nouveau_irq_handler,
647 .get_vblank_counter = drm_vblank_count,
648 .enable_vblank = nouveau_vblank_enable,
649 .disable_vblank = nouveau_vblank_disable,
651 .ioctls = nouveau_ioctls,
652 .fops = &nouveau_driver_fops,
654 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
655 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
656 .gem_prime_export = nouveau_gem_prime_export,
657 .gem_prime_import = nouveau_gem_prime_import,
659 .gem_init_object = nouveau_gem_object_new,
660 .gem_free_object = nouveau_gem_object_del,
661 .gem_open_object = nouveau_gem_object_open,
662 .gem_close_object = nouveau_gem_object_close,
664 .dumb_create = nouveau_display_dumb_create,
665 .dumb_map_offset = nouveau_display_dumb_map_offset,
666 .dumb_destroy = nouveau_display_dumb_destroy,
671 .date = GIT_REVISION,
675 .major = DRIVER_MAJOR,
676 .minor = DRIVER_MINOR,
677 .patchlevel = DRIVER_PATCHLEVEL,
680 static struct pci_device_id
681 nouveau_drm_pci_table[] = {
683 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
684 .class = PCI_BASE_CLASS_DISPLAY << 16,
685 .class_mask = 0xff << 16,
688 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
689 .class = PCI_BASE_CLASS_DISPLAY << 16,
690 .class_mask = 0xff << 16,
695 static const struct dev_pm_ops nouveau_pm_ops = {
696 .suspend = nouveau_pmops_suspend,
697 .resume = nouveau_pmops_resume,
698 .freeze = nouveau_pmops_freeze,
699 .thaw = nouveau_pmops_thaw,
700 .poweroff = nouveau_pmops_freeze,
701 .restore = nouveau_pmops_resume,
704 static struct pci_driver
705 nouveau_drm_pci_driver = {
707 .id_table = nouveau_drm_pci_table,
708 .probe = nouveau_drm_probe,
709 .remove = nouveau_drm_remove,
710 .driver.pm = &nouveau_pm_ops,
714 nouveau_drm_init(void)
716 driver.num_ioctls = ARRAY_SIZE(nouveau_ioctls);
718 if (nouveau_modeset == -1) {
719 #ifdef CONFIG_VGA_CONSOLE
720 if (vgacon_text_force())
725 if (!nouveau_modeset)
728 nouveau_register_dsm_handler();
729 return drm_pci_init(&driver, &nouveau_drm_pci_driver);
733 nouveau_drm_exit(void)
735 if (!nouveau_modeset)
738 drm_pci_exit(&driver, &nouveau_drm_pci_driver);
739 nouveau_unregister_dsm_handler();
742 module_init(nouveau_drm_init);
743 module_exit(nouveau_drm_exit);
745 MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table);
746 MODULE_AUTHOR(DRIVER_AUTHOR);
747 MODULE_DESCRIPTION(DRIVER_DESC);
748 MODULE_LICENSE("GPL and additional rights");