| // SPDX-License-Identifier: GPL-2.0 OR MIT |
| /* |
| * Copyright (c) 2007-2008 Tungsten Graphics, Inc., Cedar Park, TX., USA, |
| * Copyright (c) 2009 VMware, Inc., Palo Alto, CA., USA, |
| * |
| * 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, sub license, |
| * 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 (including the |
| * next paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL |
| * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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. |
| */ |
| #include "nouveau_drv.h" |
| #include "nouveau_gem.h" |
| #include "nouveau_mem.h" |
| #include "nouveau_ttm.h" |
| |
| #include <drm/drm_legacy.h> |
| |
| #include <core/tegra.h> |
| |
| static int |
| nouveau_manager_init(struct ttm_mem_type_manager *man, unsigned long psize) |
| { |
| return 0; |
| } |
| |
| static int |
| nouveau_manager_fini(struct ttm_mem_type_manager *man) |
| { |
| return 0; |
| } |
| |
| static void |
| nouveau_manager_del(struct ttm_mem_type_manager *man, struct ttm_mem_reg *reg) |
| { |
| nouveau_mem_del(reg); |
| } |
| |
| static void |
| nouveau_manager_debug(struct ttm_mem_type_manager *man, |
| struct drm_printer *printer) |
| { |
| } |
| |
| static int |
| nouveau_vram_manager_new(struct ttm_mem_type_manager *man, |
| struct ttm_buffer_object *bo, |
| const struct ttm_place *place, |
| struct ttm_mem_reg *reg) |
| { |
| struct nouveau_bo *nvbo = nouveau_bo(bo); |
| struct nouveau_drm *drm = nouveau_bdev(bo->bdev); |
| struct nouveau_mem *mem; |
| int ret; |
| |
| if (drm->client.device.info.ram_size == 0) |
| return -ENOMEM; |
| |
| ret = nouveau_mem_new(&drm->master, nvbo->kind, nvbo->comp, reg); |
| mem = nouveau_mem(reg); |
| if (ret) |
| return ret; |
| |
| ret = nouveau_mem_vram(reg, nvbo->contig, nvbo->page); |
| if (ret) { |
| nouveau_mem_del(reg); |
| if (ret == -ENOSPC) { |
| reg->mm_node = NULL; |
| return 0; |
| } |
| return ret; |
| } |
| |
| return 0; |
| } |
| |
| const struct ttm_mem_type_manager_func nouveau_vram_manager = { |
| .init = nouveau_manager_init, |
| .takedown = nouveau_manager_fini, |
| .get_node = nouveau_vram_manager_new, |
| .put_node = nouveau_manager_del, |
| .debug = nouveau_manager_debug, |
| }; |
| |
| static int |
| nouveau_gart_manager_new(struct ttm_mem_type_manager *man, |
| struct ttm_buffer_object *bo, |
| const struct ttm_place *place, |
| struct ttm_mem_reg *reg) |
| { |
| struct nouveau_bo *nvbo = nouveau_bo(bo); |
| struct nouveau_drm *drm = nouveau_bdev(bo->bdev); |
| struct nouveau_mem *mem; |
| int ret; |
| |
| ret = nouveau_mem_new(&drm->master, nvbo->kind, nvbo->comp, reg); |
| mem = nouveau_mem(reg); |
| if (ret) |
| return ret; |
| |
| reg->start = 0; |
| return 0; |
| } |
| |
| const struct ttm_mem_type_manager_func nouveau_gart_manager = { |
| .init = nouveau_manager_init, |
| .takedown = nouveau_manager_fini, |
| .get_node = nouveau_gart_manager_new, |
| .put_node = nouveau_manager_del, |
| .debug = nouveau_manager_debug |
| }; |
| |
| static int |
| nv04_gart_manager_new(struct ttm_mem_type_manager *man, |
| struct ttm_buffer_object *bo, |
| const struct ttm_place *place, |
| struct ttm_mem_reg *reg) |
| { |
| struct nouveau_bo *nvbo = nouveau_bo(bo); |
| struct nouveau_drm *drm = nouveau_bdev(bo->bdev); |
| struct nouveau_mem *mem; |
| int ret; |
| |
| ret = nouveau_mem_new(&drm->master, nvbo->kind, nvbo->comp, reg); |
| mem = nouveau_mem(reg); |
| if (ret) |
| return ret; |
| |
| ret = nvif_vmm_get(&mem->cli->vmm.vmm, PTES, false, 12, 0, |
| reg->num_pages << PAGE_SHIFT, &mem->vma[0]); |
| if (ret) { |
| nouveau_mem_del(reg); |
| if (ret == -ENOSPC) { |
| reg->mm_node = NULL; |
| return 0; |
| } |
| return ret; |
| } |
| |
| reg->start = mem->vma[0].addr >> PAGE_SHIFT; |
| return 0; |
| } |
| |
| const struct ttm_mem_type_manager_func nv04_gart_manager = { |
| .init = nouveau_manager_init, |
| .takedown = nouveau_manager_fini, |
| .get_node = nv04_gart_manager_new, |
| .put_node = nouveau_manager_del, |
| .debug = nouveau_manager_debug |
| }; |
| |
| int |
| nouveau_ttm_mmap(struct file *filp, struct vm_area_struct *vma) |
| { |
| struct drm_file *file_priv = filp->private_data; |
| struct nouveau_drm *drm = nouveau_drm(file_priv->minor->dev); |
| |
| return ttm_bo_mmap(filp, vma, &drm->ttm.bdev); |
| } |
| |
| static int |
| nouveau_ttm_init_host(struct nouveau_drm *drm, u8 kind) |
| { |
| struct nvif_mmu *mmu = &drm->client.mmu; |
| int typei; |
| |
| typei = nvif_mmu_type(mmu, NVIF_MEM_HOST | NVIF_MEM_MAPPABLE | |
| kind | NVIF_MEM_COHERENT); |
| if (typei < 0) |
| return -ENOSYS; |
| |
| drm->ttm.type_host[!!kind] = typei; |
| |
| typei = nvif_mmu_type(mmu, NVIF_MEM_HOST | NVIF_MEM_MAPPABLE | kind); |
| if (typei < 0) |
| return -ENOSYS; |
| |
| drm->ttm.type_ncoh[!!kind] = typei; |
| return 0; |
| } |
| |
| int |
| nouveau_ttm_init(struct nouveau_drm *drm) |
| { |
| struct nvkm_device *device = nvxx_device(&drm->client.device); |
| struct nvkm_pci *pci = device->pci; |
| struct nvif_mmu *mmu = &drm->client.mmu; |
| struct drm_device *dev = drm->dev; |
| int typei, ret; |
| |
| ret = nouveau_ttm_init_host(drm, 0); |
| if (ret) |
| return ret; |
| |
| if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA && |
| drm->client.device.info.chipset != 0x50) { |
| ret = nouveau_ttm_init_host(drm, NVIF_MEM_KIND); |
| if (ret) |
| return ret; |
| } |
| |
| if (drm->client.device.info.platform != NV_DEVICE_INFO_V0_SOC && |
| drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) { |
| typei = nvif_mmu_type(mmu, NVIF_MEM_VRAM | NVIF_MEM_MAPPABLE | |
| NVIF_MEM_KIND | |
| NVIF_MEM_COMP | |
| NVIF_MEM_DISP); |
| if (typei < 0) |
| return -ENOSYS; |
| |
| drm->ttm.type_vram = typei; |
| } else { |
| drm->ttm.type_vram = -1; |
| } |
| |
| if (pci && pci->agp.bridge) { |
| drm->agp.bridge = pci->agp.bridge; |
| drm->agp.base = pci->agp.base; |
| drm->agp.size = pci->agp.size; |
| drm->agp.cma = pci->agp.cma; |
| } |
| |
| ret = ttm_bo_device_init(&drm->ttm.bdev, |
| &nouveau_bo_driver, |
| dev->anon_inode->i_mapping, |
| dev->vma_offset_manager, |
| drm->client.mmu.dmabits <= 32 ? true : false); |
| if (ret) { |
| NV_ERROR(drm, "error initialising bo driver, %d\n", ret); |
| return ret; |
| } |
| |
| /* VRAM init */ |
| drm->gem.vram_available = drm->client.device.info.ram_user; |
| |
| arch_io_reserve_memtype_wc(device->func->resource_addr(device, 1), |
| device->func->resource_size(device, 1)); |
| |
| ret = ttm_bo_init_mm(&drm->ttm.bdev, TTM_PL_VRAM, |
| drm->gem.vram_available >> PAGE_SHIFT); |
| if (ret) { |
| NV_ERROR(drm, "VRAM mm init failed, %d\n", ret); |
| return ret; |
| } |
| |
| drm->ttm.mtrr = arch_phys_wc_add(device->func->resource_addr(device, 1), |
| device->func->resource_size(device, 1)); |
| |
| /* GART init */ |
| if (!drm->agp.bridge) { |
| drm->gem.gart_available = drm->client.vmm.vmm.limit; |
| } else { |
| drm->gem.gart_available = drm->agp.size; |
| } |
| |
| ret = ttm_bo_init_mm(&drm->ttm.bdev, TTM_PL_TT, |
| drm->gem.gart_available >> PAGE_SHIFT); |
| if (ret) { |
| NV_ERROR(drm, "GART mm init failed, %d\n", ret); |
| return ret; |
| } |
| |
| NV_INFO(drm, "VRAM: %d MiB\n", (u32)(drm->gem.vram_available >> 20)); |
| NV_INFO(drm, "GART: %d MiB\n", (u32)(drm->gem.gart_available >> 20)); |
| return 0; |
| } |
| |
| void |
| nouveau_ttm_fini(struct nouveau_drm *drm) |
| { |
| struct nvkm_device *device = nvxx_device(&drm->client.device); |
| |
| ttm_bo_clean_mm(&drm->ttm.bdev, TTM_PL_VRAM); |
| ttm_bo_clean_mm(&drm->ttm.bdev, TTM_PL_TT); |
| |
| ttm_bo_device_release(&drm->ttm.bdev); |
| |
| arch_phys_wc_del(drm->ttm.mtrr); |
| drm->ttm.mtrr = 0; |
| arch_io_free_memtype_wc(device->func->resource_addr(device, 1), |
| device->func->resource_size(device, 1)); |
| |
| } |