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 tegra_bo_tiling tiling
;
44 static inline struct tegra_bo
*to_tegra_bo(struct drm_gem_object
*gem
)
46 return container_of(gem
, struct tegra_bo
, gem
);
49 struct tegra_bo
*tegra_bo_create(struct drm_device
*drm
, unsigned int size
,
51 struct tegra_bo
*tegra_bo_create_with_handle(struct drm_file
*file
,
52 struct drm_device
*drm
,
55 unsigned int *handle
);
56 void tegra_bo_free_object(struct drm_gem_object
*gem
);
57 int tegra_bo_dumb_create(struct drm_file
*file
, struct drm_device
*drm
,
58 struct drm_mode_create_dumb
*args
);
59 int tegra_bo_dumb_map_offset(struct drm_file
*file
, struct drm_device
*drm
,
60 uint32_t handle
, uint64_t *offset
);
62 int tegra_drm_mmap(struct file
*file
, struct vm_area_struct
*vma
);
64 extern const struct vm_operations_struct tegra_bo_vm_ops
;
66 struct dma_buf
*tegra_gem_prime_export(struct drm_device
*drm
,
67 struct drm_gem_object
*gem
,
69 struct drm_gem_object
*tegra_gem_prime_import(struct drm_device
*drm
,