1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Tegra host1x GEM implementation
5 * Copyright (c) 2012-2013, NVIDIA Corporation.
11 #include <linux/host1x.h>
15 #include <drm/drm_gem.h>
17 #define TEGRA_BO_BOTTOM_UP (1 << 0)
19 enum tegra_bo_tiling_mode {
20 TEGRA_BO_TILING_MODE_PITCH,
21 TEGRA_BO_TILING_MODE_TILED,
22 TEGRA_BO_TILING_MODE_BLOCK,
25 struct tegra_bo_tiling {
26 enum tegra_bo_tiling_mode mode;
31 struct drm_gem_object gem;
32 struct host1x_bo base;
38 struct drm_mm_node *mm;
39 unsigned long num_pages;
41 /* size of IOMMU mapping */
44 struct tegra_bo_tiling tiling;
47 static inline struct tegra_bo *to_tegra_bo(struct drm_gem_object *gem)
49 return container_of(gem, struct tegra_bo, gem);
52 static inline struct tegra_bo *host1x_to_tegra_bo(struct host1x_bo *bo)
54 return container_of(bo, struct tegra_bo, base);
57 struct tegra_bo *tegra_bo_create(struct drm_device *drm, size_t size,
59 struct tegra_bo *tegra_bo_create_with_handle(struct drm_file *file,
60 struct drm_device *drm,
64 void tegra_bo_free_object(struct drm_gem_object *gem);
65 int tegra_bo_dumb_create(struct drm_file *file, struct drm_device *drm,
66 struct drm_mode_create_dumb *args);
68 extern const struct vm_operations_struct tegra_bo_vm_ops;
70 int __tegra_gem_mmap(struct drm_gem_object *gem, struct vm_area_struct *vma);
71 int tegra_drm_mmap(struct file *file, struct vm_area_struct *vma);
73 struct dma_buf *tegra_gem_prime_export(struct drm_device *drm,
74 struct drm_gem_object *gem,
76 struct drm_gem_object *tegra_gem_prime_import(struct drm_device *drm,