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);
249 nouveau_drm_load(struct drm_device *dev, unsigned long flags)
251 struct pci_dev *pdev = dev->pdev;
252 struct nouveau_device *device;
253 struct nouveau_drm *drm;
256 ret = nouveau_cli_create(pdev, "DRM", sizeof(*drm), (void**)&drm);
260 dev->dev_private = drm;
263 INIT_LIST_HEAD(&drm->clients);
264 spin_lock_init(&drm->tile.lock);
266 /* make sure AGP controller is in a consistent state before we
267 * (possibly) execute vbios init tables (see nouveau_agp.h)
269 if (drm_pci_device_is_agp(dev) && dev->agp) {
270 /* dummy device object, doesn't init anything, but allows
271 * agp code access to registers
273 ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT,
274 NVDRM_DEVICE, 0x0080,
275 &(struct nv_device_class) {
278 ~(NV_DEVICE_DISABLE_MMIO |
279 NV_DEVICE_DISABLE_IDENTIFY),
281 }, sizeof(struct nv_device_class),
286 nouveau_agp_reset(drm);
287 nouveau_object_del(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE);
290 ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE,
291 0x0080, &(struct nv_device_class) {
295 }, sizeof(struct nv_device_class),
300 /* workaround an odd issue on nvc1 by disabling the device's
301 * nosnoop capability. hopefully won't cause issues until a
302 * better fix is found - assuming there is one...
304 device = nv_device(drm->device);
305 if (nv_device(drm->device)->chipset == 0xc1)
306 nv_mask(device, 0x00088080, 0x00000800, 0x00000000);
308 nouveau_vga_init(drm);
309 nouveau_agp_init(drm);
311 if (device->card_type >= NV_50) {
312 ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40),
313 0x1000, &drm->client.base.vm);
318 ret = nouveau_ttm_init(drm);
322 ret = nouveau_bios_init(dev);
326 ret = nouveau_irq_init(dev);
330 ret = nouveau_display_create(dev);
334 if (dev->mode_config.num_crtc) {
335 ret = nouveau_display_init(dev);
340 nouveau_pm_init(dev);
342 nouveau_accel_init(drm);
343 nouveau_fbcon_init(dev);
347 nouveau_display_destroy(dev);
349 nouveau_irq_fini(dev);
351 nouveau_bios_takedown(dev);
353 nouveau_ttm_fini(drm);
355 nouveau_agp_fini(drm);
356 nouveau_vga_fini(drm);
358 nouveau_cli_destroy(&drm->client);
363 nouveau_drm_unload(struct drm_device *dev)
365 struct nouveau_drm *drm = nouveau_drm(dev);
367 nouveau_fbcon_fini(dev);
368 nouveau_accel_fini(drm);
370 nouveau_pm_fini(dev);
372 if (dev->mode_config.num_crtc)
373 nouveau_display_fini(dev);
374 nouveau_display_destroy(dev);
376 nouveau_irq_fini(dev);
377 nouveau_bios_takedown(dev);
379 nouveau_ttm_fini(drm);
380 nouveau_agp_fini(drm);
381 nouveau_vga_fini(drm);
383 nouveau_cli_destroy(&drm->client);
388 nouveau_drm_remove(struct pci_dev *pdev)
390 struct drm_device *dev = pci_get_drvdata(pdev);
391 struct nouveau_drm *drm = nouveau_drm(dev);
392 struct nouveau_object *device;
394 device = drm->client.base.device;
397 nouveau_object_ref(NULL, &device);
398 nouveau_object_debug();
402 nouveau_do_suspend(struct drm_device *dev)
404 struct nouveau_drm *drm = nouveau_drm(dev);
405 struct nouveau_cli *cli;
408 if (dev->mode_config.num_crtc) {
409 NV_INFO(drm, "suspending fbcon...\n");
410 nouveau_fbcon_set_suspend(dev, 1);
412 NV_INFO(drm, "suspending display...\n");
413 ret = nouveau_display_suspend(dev);
418 NV_INFO(drm, "evicting buffers...\n");
419 ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM);
421 if (drm->fence && nouveau_fence(drm)->suspend) {
422 if (!nouveau_fence(drm)->suspend(drm))
426 NV_INFO(drm, "suspending client object trees...\n");
427 list_for_each_entry(cli, &drm->clients, head) {
428 ret = nouveau_client_fini(&cli->base, true);
433 ret = nouveau_client_fini(&drm->client.base, true);
437 nouveau_agp_fini(drm);
441 list_for_each_entry_continue_reverse(cli, &drm->clients, head) {
442 nouveau_client_init(&cli->base);
445 if (dev->mode_config.num_crtc) {
446 NV_INFO(drm, "resuming display...\n");
447 nouveau_display_resume(dev);
452 int nouveau_pmops_suspend(struct device *dev)
454 struct pci_dev *pdev = to_pci_dev(dev);
455 struct drm_device *drm_dev = pci_get_drvdata(pdev);
458 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF)
461 ret = nouveau_do_suspend(drm_dev);
465 pci_save_state(pdev);
466 pci_disable_device(pdev);
467 pci_set_power_state(pdev, PCI_D3hot);
473 nouveau_do_resume(struct drm_device *dev)
475 struct nouveau_drm *drm = nouveau_drm(dev);
476 struct nouveau_cli *cli;
478 NV_INFO(drm, "re-enabling device...\n");
480 nouveau_agp_reset(drm);
482 NV_INFO(drm, "resuming client object trees...\n");
483 nouveau_client_init(&drm->client.base);
484 nouveau_agp_init(drm);
486 list_for_each_entry(cli, &drm->clients, head) {
487 nouveau_client_init(&cli->base);
490 if (drm->fence && nouveau_fence(drm)->resume)
491 nouveau_fence(drm)->resume(drm);
493 nouveau_run_vbios_init(dev);
494 nouveau_irq_postinstall(dev);
495 nouveau_pm_resume(dev);
497 if (dev->mode_config.num_crtc) {
498 NV_INFO(drm, "resuming display...\n");
499 nouveau_display_resume(dev);
504 int nouveau_pmops_resume(struct device *dev)
506 struct pci_dev *pdev = to_pci_dev(dev);
507 struct drm_device *drm_dev = pci_get_drvdata(pdev);
510 if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF)
513 pci_set_power_state(pdev, PCI_D0);
514 pci_restore_state(pdev);
515 ret = pci_enable_device(pdev);
518 pci_set_master(pdev);
520 return nouveau_do_resume(drm_dev);
523 static int nouveau_pmops_freeze(struct device *dev)
525 struct pci_dev *pdev = to_pci_dev(dev);
526 struct drm_device *drm_dev = pci_get_drvdata(pdev);
528 return nouveau_do_suspend(drm_dev);
531 static int nouveau_pmops_thaw(struct device *dev)
533 struct pci_dev *pdev = to_pci_dev(dev);
534 struct drm_device *drm_dev = pci_get_drvdata(pdev);
536 return nouveau_do_resume(drm_dev);
541 nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
543 struct pci_dev *pdev = dev->pdev;
544 struct nouveau_drm *drm = nouveau_drm(dev);
545 struct nouveau_cli *cli;
549 snprintf(name, sizeof(name), "%d", pid_nr(fpriv->pid));
551 ret = nouveau_cli_create(pdev, name, sizeof(*cli), (void **)&cli);
555 if (nv_device(drm->device)->card_type >= NV_50) {
556 ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40),
557 0x1000, &cli->base.vm);
559 nouveau_cli_destroy(cli);
564 fpriv->driver_priv = cli;
566 mutex_lock(&drm->client.mutex);
567 list_add(&cli->head, &drm->clients);
568 mutex_unlock(&drm->client.mutex);
573 nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv)
575 struct nouveau_cli *cli = nouveau_cli(fpriv);
576 struct nouveau_drm *drm = nouveau_drm(dev);
579 nouveau_abi16_fini(cli->abi16);
581 mutex_lock(&drm->client.mutex);
582 list_del(&cli->head);
583 mutex_unlock(&drm->client.mutex);
587 nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv)
589 struct nouveau_cli *cli = nouveau_cli(fpriv);
590 nouveau_cli_destroy(cli);
593 static struct drm_ioctl_desc
595 DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_UNLOCKED|DRM_AUTH),
596 DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_UNLOCKED|DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
597 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_UNLOCKED|DRM_AUTH),
598 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_UNLOCKED|DRM_AUTH),
599 DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_UNLOCKED|DRM_AUTH),
600 DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_UNLOCKED|DRM_AUTH),
601 DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_UNLOCKED|DRM_AUTH),
602 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_UNLOCKED|DRM_AUTH),
603 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_UNLOCKED|DRM_AUTH),
604 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_UNLOCKED|DRM_AUTH),
605 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_UNLOCKED|DRM_AUTH),
606 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_UNLOCKED|DRM_AUTH),
609 static const struct file_operations
610 nouveau_driver_fops = {
611 .owner = THIS_MODULE,
613 .release = drm_release,
614 .unlocked_ioctl = drm_ioctl,
615 .mmap = nouveau_ttm_mmap,
617 .fasync = drm_fasync,
619 #if defined(CONFIG_COMPAT)
620 .compat_ioctl = nouveau_compat_ioctl,
622 .llseek = noop_llseek,
625 static struct drm_driver
628 DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_SG |
629 DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
630 DRIVER_MODESET | DRIVER_PRIME,
632 .load = nouveau_drm_load,
633 .unload = nouveau_drm_unload,
634 .open = nouveau_drm_open,
635 .preclose = nouveau_drm_preclose,
636 .postclose = nouveau_drm_postclose,
637 .lastclose = nouveau_vga_lastclose,
639 .irq_preinstall = nouveau_irq_preinstall,
640 .irq_postinstall = nouveau_irq_postinstall,
641 .irq_uninstall = nouveau_irq_uninstall,
642 .irq_handler = nouveau_irq_handler,
644 .get_vblank_counter = drm_vblank_count,
645 .enable_vblank = nouveau_vblank_enable,
646 .disable_vblank = nouveau_vblank_disable,
648 .ioctls = nouveau_ioctls,
649 .fops = &nouveau_driver_fops,
651 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
652 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
653 .gem_prime_export = nouveau_gem_prime_export,
654 .gem_prime_import = nouveau_gem_prime_import,
656 .gem_init_object = nouveau_gem_object_new,
657 .gem_free_object = nouveau_gem_object_del,
658 .gem_open_object = nouveau_gem_object_open,
659 .gem_close_object = nouveau_gem_object_close,
661 .dumb_create = nouveau_display_dumb_create,
662 .dumb_map_offset = nouveau_display_dumb_map_offset,
663 .dumb_destroy = nouveau_display_dumb_destroy,
668 .date = GIT_REVISION,
672 .major = DRIVER_MAJOR,
673 .minor = DRIVER_MINOR,
674 .patchlevel = DRIVER_PATCHLEVEL,
677 static struct pci_device_id
678 nouveau_drm_pci_table[] = {
680 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
681 .class = PCI_BASE_CLASS_DISPLAY << 16,
682 .class_mask = 0xff << 16,
685 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
686 .class = PCI_BASE_CLASS_DISPLAY << 16,
687 .class_mask = 0xff << 16,
692 static const struct dev_pm_ops nouveau_pm_ops = {
693 .suspend = nouveau_pmops_suspend,
694 .resume = nouveau_pmops_resume,
695 .freeze = nouveau_pmops_freeze,
696 .thaw = nouveau_pmops_thaw,
697 .poweroff = nouveau_pmops_freeze,
698 .restore = nouveau_pmops_resume,
701 static struct pci_driver
702 nouveau_drm_pci_driver = {
704 .id_table = nouveau_drm_pci_table,
705 .probe = nouveau_drm_probe,
706 .remove = nouveau_drm_remove,
707 .driver.pm = &nouveau_pm_ops,
711 nouveau_drm_init(void)
713 driver.num_ioctls = ARRAY_SIZE(nouveau_ioctls);
715 if (nouveau_modeset == -1) {
716 #ifdef CONFIG_VGA_CONSOLE
717 if (vgacon_text_force())
722 if (!nouveau_modeset)
725 nouveau_register_dsm_handler();
726 return drm_pci_init(&driver, &nouveau_drm_pci_driver);
730 nouveau_drm_exit(void)
732 if (!nouveau_modeset)
735 drm_pci_exit(&driver, &nouveau_drm_pci_driver);
736 nouveau_unregister_dsm_handler();
739 module_init(nouveau_drm_init);
740 module_exit(nouveau_drm_exit);
742 MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table);
743 MODULE_AUTHOR(DRIVER_AUTHOR);
744 MODULE_DESCRIPTION(DRIVER_DESC);
745 MODULE_LICENSE("GPL and additional rights");