/* * Copyright 2012 Red Hat Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: Ben Skeggs */ #include #include #include #include #include #include #include #include #include #include #include #include "nouveau_drm.h" #include "nouveau_dma.h" #include "nouveau_ttm.h" #include "nouveau_gem.h" #include "nouveau_agp.h" #include "nouveau_vga.h" #include "nouveau_pm.h" #include "nouveau_acpi.h" #include "nouveau_bios.h" #include "nouveau_ioctl.h" #include "nouveau_abi16.h" #include "nouveau_fbcon.h" #include "nouveau_fence.h" #include "nouveau_debugfs.h" MODULE_PARM_DESC(config, "option string to pass to driver core"); static char *nouveau_config; module_param_named(config, nouveau_config, charp, 0400); MODULE_PARM_DESC(debug, "debug string to pass to driver core"); static char *nouveau_debug; module_param_named(debug, nouveau_debug, charp, 0400); MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration"); static int nouveau_noaccel = 0; module_param_named(noaccel, nouveau_noaccel, int, 0400); MODULE_PARM_DESC(modeset, "enable driver (default: auto, " "0 = disabled, 1 = enabled, 2 = headless)"); int nouveau_modeset = -1; module_param_named(modeset, nouveau_modeset, int, 0400); static struct drm_driver driver; static int nouveau_drm_vblank_handler(struct nouveau_eventh *event, int head) { struct nouveau_drm *drm = container_of(event, struct nouveau_drm, vblank[head]); drm_handle_vblank(drm->dev, head); return NVKM_EVENT_KEEP; } static int nouveau_drm_vblank_enable(struct drm_device *dev, int head) { struct nouveau_drm *drm = nouveau_drm(dev); struct nouveau_disp *pdisp = nouveau_disp(drm->device); if (WARN_ON_ONCE(head > ARRAY_SIZE(drm->vblank))) return -EIO; WARN_ON_ONCE(drm->vblank[head].func); drm->vblank[head].func = nouveau_drm_vblank_handler; nouveau_event_get(pdisp->vblank, head, &drm->vblank[head]); return 0; } static void nouveau_drm_vblank_disable(struct drm_device *dev, int head) { struct nouveau_drm *drm = nouveau_drm(dev); struct nouveau_disp *pdisp = nouveau_disp(drm->device); if (drm->vblank[head].func) nouveau_event_put(pdisp->vblank, head, &drm->vblank[head]); else WARN_ON_ONCE(1); drm->vblank[head].func = NULL; } static u64 nouveau_name(struct pci_dev *pdev) { u64 name = (u64)pci_domain_nr(pdev->bus) << 32; name |= pdev->bus->number << 16; name |= PCI_SLOT(pdev->devfn) << 8; return name | PCI_FUNC(pdev->devfn); } static int nouveau_cli_create(struct pci_dev *pdev, const char *name, int size, void **pcli) { struct nouveau_cli *cli; int ret; *pcli = NULL; ret = nouveau_client_create_(name, nouveau_name(pdev), nouveau_config, nouveau_debug, size, pcli); cli = *pcli; if (ret) { if (cli) nouveau_client_destroy(&cli->base); *pcli = NULL; return ret; } mutex_init(&cli->mutex); return 0; } static void nouveau_cli_destroy(struct nouveau_cli *cli) { struct nouveau_object *client = nv_object(cli); nouveau_vm_ref(NULL, &cli->base.vm, NULL); nouveau_client_fini(&cli->base, false); atomic_set(&client->refcount, 1); nouveau_object_ref(NULL, &client); } static void nouveau_accel_fini(struct nouveau_drm *drm) { nouveau_gpuobj_ref(NULL, &drm->notify); nouveau_channel_del(&drm->channel); nouveau_channel_del(&drm->cechan); if (drm->fence) nouveau_fence(drm)->dtor(drm); } static void nouveau_accel_init(struct nouveau_drm *drm) { struct nouveau_device *device = nv_device(drm->device); struct nouveau_object *object; u32 arg0, arg1; int ret; if (nouveau_noaccel || !nouveau_fifo(device) /*XXX*/) return; /* initialise synchronisation routines */ if (device->card_type < NV_10) ret = nv04_fence_create(drm); else if (device->chipset < 0x17) ret = nv10_fence_create(drm); else if (device->card_type < NV_50) ret = nv17_fence_create(drm); else if (device->chipset < 0x84) ret = nv50_fence_create(drm); else if (device->card_type < NV_C0) ret = nv84_fence_create(drm); else ret = nvc0_fence_create(drm); if (ret) { NV_ERROR(drm, "failed to initialise sync subsystem, %d\n", ret); nouveau_accel_fini(drm); return; } if (device->card_type >= NV_E0) { ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE, NVDRM_CHAN + 1, NVE0_CHANNEL_IND_ENGINE_CE0 | NVE0_CHANNEL_IND_ENGINE_CE1, 0, &drm->cechan); if (ret) NV_ERROR(drm, "failed to create ce channel, %d\n", ret); arg0 = NVE0_CHANNEL_IND_ENGINE_GR; arg1 = 1; } else { arg0 = NvDmaFB; arg1 = NvDmaTT; } ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE, NVDRM_CHAN, arg0, arg1, &drm->channel); if (ret) { NV_ERROR(drm, "failed to create kernel channel, %d\n", ret); nouveau_accel_fini(drm); return; } if (device->card_type < NV_C0) { ret = nouveau_gpuobj_new(drm->device, NULL, 32, 0, 0, &drm->notify); if (ret) { NV_ERROR(drm, "failed to allocate notifier, %d\n", ret); nouveau_accel_fini(drm); return; } ret = nouveau_object_new(nv_object(drm), drm->channel->handle, NvNotify0, 0x003d, &(struct nv_dma_class) { .flags = NV_DMA_TARGET_VRAM | NV_DMA_ACCESS_RDWR, .start = drm->notify->addr, .limit = drm->notify->addr + 31 }, sizeof(struct nv_dma_class), &object); if (ret) { nouveau_accel_fini(drm); return; } } nouveau_bo_move_init(drm); } static int nouveau_drm_probe(struct pci_dev *pdev, const struct pci_device_id *pent) { struct nouveau_device *device; struct apertures_struct *aper; bool boot = false; int ret; /* remove conflicting drivers (vesafb, efifb etc) */ aper = alloc_apertures(3); if (!aper) return -ENOMEM; aper->ranges[0].base = pci_resource_start(pdev, 1); aper->ranges[0].size = pci_resource_len(pdev, 1); aper->count = 1; if (pci_resource_len(pdev, 2)) { aper->ranges[aper->count].base = pci_resource_start(pdev, 2); aper->ranges[aper->count].size = pci_resource_len(pdev, 2); aper->count++; } if (pci_resource_len(pdev, 3)) { aper->ranges[aper->count].base = pci_resource_start(pdev, 3); aper->ranges[aper->count].size = pci_resource_len(pdev, 3); aper->count++; } #ifdef CONFIG_X86 boot = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW; #endif remove_conflicting_framebuffers(aper, "nouveaufb", boot); kfree(aper); ret = nouveau_device_create(pdev, nouveau_name(pdev), pci_name(pdev), nouveau_config, nouveau_debug, &device); if (ret) return ret; pci_set_master(pdev); ret = drm_get_pci_dev(pdev, pent, &driver); if (ret) { nouveau_object_ref(NULL, (struct nouveau_object **)&device); return ret; } return 0; } static struct lock_class_key drm_client_lock_class_key; static int nouveau_drm_load(struct drm_device *dev, unsigned long flags) { struct pci_dev *pdev = dev->pdev; struct nouveau_device *device; struct nouveau_drm *drm; int ret; ret = nouveau_cli_create(pdev, "DRM", sizeof(*drm), (void**)&drm); if (ret) return ret; lockdep_set_class(&drm->client.mutex, &drm_client_lock_class_key); dev->dev_private = drm; drm->dev = dev; INIT_LIST_HEAD(&drm->clients); spin_lock_init(&drm->tile.lock); /* make sure AGP controller is in a consistent state before we * (possibly) execute vbios init tables (see nouveau_agp.h) */ if (drm_pci_device_is_agp(dev) && dev->agp) { /* dummy device object, doesn't init anything, but allows * agp code access to registers */ ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE, 0x0080, &(struct nv_device_class) { .device = ~0, .disable = ~(NV_DEVICE_DISABLE_MMIO | NV_DEVICE_DISABLE_IDENTIFY), .debug0 = ~0, }, sizeof(struct nv_device_class), &drm->device); if (ret) goto fail_device; nouveau_agp_reset(drm); nouveau_object_del(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE); } ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE, 0x0080, &(struct nv_device_class) { .device = ~0, .disable = 0, .debug0 = 0, }, sizeof(struct nv_device_class), &drm->device); if (ret) goto fail_device; /* workaround an odd issue on nvc1 by disabling the device's * nosnoop capability. hopefully won't cause issues until a * better fix is found - assuming there is one... */ device = nv_device(drm->device); if (nv_device(drm->device)->chipset == 0xc1) nv_mask(device, 0x00088080, 0x00000800, 0x00000000); nouveau_vga_init(drm); nouveau_agp_init(drm); if (device->card_type >= NV_50) { ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40), 0x1000, &drm->client.base.vm); if (ret) goto fail_device; } ret = nouveau_ttm_init(drm); if (ret) goto fail_ttm; ret = nouveau_bios_init(dev); if (ret) goto fail_bios; ret = nouveau_display_create(dev); if (ret) goto fail_dispctor; if (dev->mode_config.num_crtc) { ret = nouveau_display_init(dev); if (ret) goto fail_dispinit; } nouveau_pm_init(dev); nouveau_accel_init(drm); nouveau_fbcon_init(dev); return 0; fail_dispinit: nouveau_display_destroy(dev); fail_dispctor: nouveau_bios_takedown(dev); fail_bios: nouveau_ttm_fini(drm); fail_ttm: nouveau_agp_fini(drm); nouveau_vga_fini(drm); fail_device: nouveau_cli_destroy(&drm->client); return ret; } static int nouveau_drm_unload(struct drm_device *dev) { struct nouveau_drm *drm = nouveau_drm(dev); nouveau_fbcon_fini(dev); nouveau_accel_fini(drm); nouveau_pm_fini(dev); if (dev->mode_config.num_crtc) nouveau_display_fini(dev); nouveau_display_destroy(dev); nouveau_bios_takedown(dev); nouveau_ttm_fini(drm); nouveau_agp_fini(drm); nouveau_vga_fini(drm); nouveau_cli_destroy(&drm->client); return 0; } static void nouveau_drm_remove(struct pci_dev *pdev) { struct drm_device *dev = pci_get_drvdata(pdev); struct nouveau_drm *drm = nouveau_drm(dev); struct nouveau_object *device; device = drm->client.base.device; drm_put_dev(dev); nouveau_object_ref(NULL, &device); nouveau_object_debug(); } static int nouveau_do_suspend(struct drm_device *dev) { struct nouveau_drm *drm = nouveau_drm(dev); struct nouveau_cli *cli; int ret; if (dev->mode_config.num_crtc) { NV_INFO(drm, "suspending fbcon...\n"); nouveau_fbcon_set_suspend(dev, 1); NV_INFO(drm, "suspending display...\n"); ret = nouveau_display_suspend(dev); if (ret) return ret; } NV_INFO(drm, "evicting buffers...\n"); ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM); NV_INFO(drm, "waiting for kernel channels to go idle...\n"); if (drm->cechan) { ret = nouveau_channel_idle(drm->cechan); if (ret) return ret; } if (drm->channel) { ret = nouveau_channel_idle(drm->channel); if (ret) return ret; } NV_INFO(drm, "suspending client object trees...\n"); if (drm->fence && nouveau_fence(drm)->suspend) { if (!nouveau_fence(drm)->suspend(drm)) return -ENOMEM; } list_for_each_entry(cli, &drm->clients, head) { ret = nouveau_client_fini(&cli->base, true); if (ret) goto fail_client; } NV_INFO(drm, "suspending kernel object tree...\n"); ret = nouveau_client_fini(&drm->client.base, true); if (ret) goto fail_client; nouveau_agp_fini(drm); return 0; fail_client: list_for_each_entry_continue_reverse(cli, &drm->clients, head) { nouveau_client_init(&cli->base); } if (dev->mode_config.num_crtc) { NV_INFO(drm, "resuming display...\n"); nouveau_display_resume(dev); } return ret; } int nouveau_pmops_suspend(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); struct drm_device *drm_dev = pci_get_drvdata(pdev); int ret; if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF) return 0; ret = nouveau_do_suspend(drm_dev); if (ret) return ret; pci_save_state(pdev); pci_disable_device(pdev); pci_set_power_state(pdev, PCI_D3hot); return 0; } static int nouveau_do_resume(struct drm_device *dev) { struct nouveau_drm *drm = nouveau_drm(dev); struct nouveau_cli *cli; NV_INFO(drm, "re-enabling device...\n"); nouveau_agp_reset(drm); NV_INFO(drm, "resuming kernel object tree...\n"); nouveau_client_init(&drm->client.base); nouveau_agp_init(drm); NV_INFO(drm, "resuming client object trees...\n"); if (drm->fence && nouveau_fence(drm)->resume) nouveau_fence(drm)->resume(drm); list_for_each_entry(cli, &drm->clients, head) { nouveau_client_init(&cli->base); } nouveau_run_vbios_init(dev); nouveau_pm_resume(dev); if (dev->mode_config.num_crtc) { NV_INFO(drm, "resuming display...\n"); nouveau_display_resume(dev); } return 0; } int nouveau_pmops_resume(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); struct drm_device *drm_dev = pci_get_drvdata(pdev); int ret; if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF) return 0; pci_set_power_state(pdev, PCI_D0); pci_restore_state(pdev); ret = pci_enable_device(pdev); if (ret) return ret; pci_set_master(pdev); return nouveau_do_resume(drm_dev); } static int nouveau_pmops_freeze(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); struct drm_device *drm_dev = pci_get_drvdata(pdev); return nouveau_do_suspend(drm_dev); } static int nouveau_pmops_thaw(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); struct drm_device *drm_dev = pci_get_drvdata(pdev); return nouveau_do_resume(drm_dev); } static int nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv) { struct pci_dev *pdev = dev->pdev; struct nouveau_drm *drm = nouveau_drm(dev); struct nouveau_cli *cli; char name[32], tmpname[TASK_COMM_LEN]; int ret; get_task_comm(tmpname, current); snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid)); ret = nouveau_cli_create(pdev, name, sizeof(*cli), (void **)&cli); if (ret) return ret; if (nv_device(drm->device)->card_type >= NV_50) { ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40), 0x1000, &cli->base.vm); if (ret) { nouveau_cli_destroy(cli); return ret; } } fpriv->driver_priv = cli; mutex_lock(&drm->client.mutex); list_add(&cli->head, &drm->clients); mutex_unlock(&drm->client.mutex); return 0; } static void nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv) { struct nouveau_cli *cli = nouveau_cli(fpriv); struct nouveau_drm *drm = nouveau_drm(dev); if (cli->abi16) nouveau_abi16_fini(cli->abi16); mutex_lock(&drm->client.mutex); list_del(&cli->head); mutex_unlock(&drm->client.mutex); } static void nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv) { struct nouveau_cli *cli = nouveau_cli(fpriv); nouveau_cli_destroy(cli); } static const struct drm_ioctl_desc nouveau_ioctls[] = { DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_UNLOCKED|DRM_AUTH), DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_UNLOCKED|DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_UNLOCKED|DRM_AUTH), DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_UNLOCKED|DRM_AUTH), DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_UNLOCKED|DRM_AUTH), DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_UNLOCKED|DRM_AUTH), DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_UNLOCKED|DRM_AUTH), DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_UNLOCKED|DRM_AUTH), DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_UNLOCKED|DRM_AUTH), DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_UNLOCKED|DRM_AUTH), DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_UNLOCKED|DRM_AUTH), DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_UNLOCKED|DRM_AUTH), }; static const struct file_operations nouveau_driver_fops = { .owner = THIS_MODULE, .open = drm_open, .release = drm_release, .unlocked_ioctl = drm_ioctl, .mmap = nouveau_ttm_mmap, .poll = drm_poll, .fasync = drm_fasync, .read = drm_read, #if defined(CONFIG_COMPAT) .compat_ioctl = nouveau_compat_ioctl, #endif .llseek = noop_llseek, }; static struct drm_driver driver = { .driver_features = DRIVER_USE_AGP | DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME, .load = nouveau_drm_load, .unload = nouveau_drm_unload, .open = nouveau_drm_open, .preclose = nouveau_drm_preclose, .postclose = nouveau_drm_postclose, .lastclose = nouveau_vga_lastclose, #if defined(CONFIG_DEBUG_FS) .debugfs_init = nouveau_debugfs_init, .debugfs_cleanup = nouveau_debugfs_takedown, #endif .get_vblank_counter = drm_vblank_count, .enable_vblank = nouveau_drm_vblank_enable, .disable_vblank = nouveau_drm_vblank_disable, .ioctls = nouveau_ioctls, .num_ioctls = ARRAY_SIZE(nouveau_ioctls), .fops = &nouveau_driver_fops, .prime_handle_to_fd = drm_gem_prime_handle_to_fd, .prime_fd_to_handle = drm_gem_prime_fd_to_handle, .gem_prime_export = drm_gem_prime_export, .gem_prime_import = drm_gem_prime_import, .gem_prime_pin = nouveau_gem_prime_pin, .gem_prime_unpin = nouveau_gem_prime_unpin, .gem_prime_get_sg_table = nouveau_gem_prime_get_sg_table, .gem_prime_import_sg_table = nouveau_gem_prime_import_sg_table, .gem_prime_vmap = nouveau_gem_prime_vmap, .gem_prime_vunmap = nouveau_gem_prime_vunmap, .gem_init_object = nouveau_gem_object_new, .gem_free_object = nouveau_gem_object_del, .gem_open_object = nouveau_gem_object_open, .gem_close_object = nouveau_gem_object_close, .dumb_create = nouveau_display_dumb_create, .dumb_map_offset = nouveau_display_dumb_map_offset, .dumb_destroy = drm_gem_dumb_destroy, .name = DRIVER_NAME, .desc = DRIVER_DESC, #ifdef GIT_REVISION .date = GIT_REVISION, #else .date = DRIVER_DATE, #endif .major = DRIVER_MAJOR, .minor = DRIVER_MINOR, .patchlevel = DRIVER_PATCHLEVEL, }; static struct pci_device_id nouveau_drm_pci_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID), .class = PCI_BASE_CLASS_DISPLAY << 16, .class_mask = 0xff << 16, }, { PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID), .class = PCI_BASE_CLASS_DISPLAY << 16, .class_mask = 0xff << 16, }, {} }; static const struct dev_pm_ops nouveau_pm_ops = { .suspend = nouveau_pmops_suspend, .resume = nouveau_pmops_resume, .freeze = nouveau_pmops_freeze, .thaw = nouveau_pmops_thaw, .poweroff = nouveau_pmops_freeze, .restore = nouveau_pmops_resume, }; static struct pci_driver nouveau_drm_pci_driver = { .name = "nouveau", .id_table = nouveau_drm_pci_table, .probe = nouveau_drm_probe, .remove = nouveau_drm_remove, .driver.pm = &nouveau_pm_ops, }; static int __init nouveau_drm_init(void) { if (nouveau_modeset == -1) { #ifdef CONFIG_VGA_CONSOLE if (vgacon_text_force()) nouveau_modeset = 0; #endif } if (!nouveau_modeset) return 0; nouveau_register_dsm_handler(); return drm_pci_init(&driver, &nouveau_drm_pci_driver); } static void __exit nouveau_drm_exit(void) { if (!nouveau_modeset) return; drm_pci_exit(&driver, &nouveau_drm_pci_driver); nouveau_unregister_dsm_handler(); } module_init(nouveau_drm_init); module_exit(nouveau_drm_exit); MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL and additional rights");