2 * Tegra host1x GEM implementation
4 * Copyright (c) 2012-2013, NVIDIA Corporation.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
11 #ifndef __HOST1X_GEM_H
12 #define __HOST1X_GEM_H
14 #include <linux/host1x.h>
18 #include <drm/drm_gem.h>
20 #define TEGRA_BO_BOTTOM_UP (1 << 0)
22 enum tegra_bo_tiling_mode {
23 TEGRA_BO_TILING_MODE_PITCH,
24 TEGRA_BO_TILING_MODE_TILED,
25 TEGRA_BO_TILING_MODE_BLOCK,
28 struct tegra_bo_tiling {
29 enum tegra_bo_tiling_mode mode;
34 struct drm_gem_object gem;
35 struct host1x_bo base;
41 struct drm_mm_node *mm;
42 unsigned long num_pages;
44 /* size of IOMMU mapping */
47 struct tegra_bo_tiling tiling;
50 static inline struct tegra_bo *to_tegra_bo(struct drm_gem_object *gem)
52 return container_of(gem, struct tegra_bo, gem);
55 struct tegra_bo *tegra_bo_create(struct drm_device *drm, size_t size,
57 struct tegra_bo *tegra_bo_create_with_handle(struct drm_file *file,
58 struct drm_device *drm,
62 void tegra_bo_free_object(struct drm_gem_object *gem);
63 int tegra_bo_dumb_create(struct drm_file *file, struct drm_device *drm,
64 struct drm_mode_create_dumb *args);
65 int tegra_bo_dumb_map_offset(struct drm_file *file, struct drm_device *drm,
66 u32 handle, u64 *offset);
68 int tegra_drm_mmap(struct file *file, struct vm_area_struct *vma);
70 extern const struct vm_operations_struct tegra_bo_vm_ops;
72 struct dma_buf *tegra_gem_prime_export(struct drm_device *drm,
73 struct drm_gem_object *gem,
75 struct drm_gem_object *tegra_gem_prime_import(struct drm_device *drm,