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>
19 #define TEGRA_BO_BOTTOM_UP (1 << 0)
21 enum tegra_bo_tiling_mode
{
22 TEGRA_BO_TILING_MODE_PITCH
,
23 TEGRA_BO_TILING_MODE_TILED
,
24 TEGRA_BO_TILING_MODE_BLOCK
,
27 struct tegra_bo_tiling
{
28 enum tegra_bo_tiling_mode mode
;
33 struct drm_gem_object gem
;
34 struct host1x_bo base
;
40 struct tegra_bo_tiling tiling
;
43 static inline struct tegra_bo
*to_tegra_bo(struct drm_gem_object
*gem
)
45 return container_of(gem
, struct tegra_bo
, gem
);
48 struct tegra_bo
*tegra_bo_create(struct drm_device
*drm
, unsigned int size
,
50 struct tegra_bo
*tegra_bo_create_with_handle(struct drm_file
*file
,
51 struct drm_device
*drm
,
54 unsigned int *handle
);
55 void tegra_bo_free_object(struct drm_gem_object
*gem
);
56 int tegra_bo_dumb_create(struct drm_file
*file
, struct drm_device
*drm
,
57 struct drm_mode_create_dumb
*args
);
58 int tegra_bo_dumb_map_offset(struct drm_file
*file
, struct drm_device
*drm
,
59 uint32_t handle
, uint64_t *offset
);
61 int tegra_drm_mmap(struct file
*file
, struct vm_area_struct
*vma
);
63 extern const struct vm_operations_struct tegra_bo_vm_ops
;
65 struct dma_buf
*tegra_gem_prime_export(struct drm_device
*drm
,
66 struct drm_gem_object
*gem
,
68 struct drm_gem_object
*tegra_gem_prime_import(struct drm_device
*drm
,