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1 | /* |
2 | * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd | |
3 | * Author:Mark Yao <mark.yao@rock-chips.com> | |
4 | * | |
5 | * This software is licensed under the terms of the GNU General Public | |
6 | * License version 2, as published by the Free Software Foundation, and | |
7 | * may be copied, distributed, and modified under those terms. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | */ | |
14 | ||
15 | #ifndef _ROCKCHIP_DRM_GEM_H | |
16 | #define _ROCKCHIP_DRM_GEM_H | |
17 | ||
18 | #define to_rockchip_obj(x) container_of(x, struct rockchip_gem_object, base) | |
19 | ||
20 | struct rockchip_gem_object { | |
21 | struct drm_gem_object base; | |
22 | unsigned int flags; | |
23 | ||
24 | void *kvaddr; | |
25 | dma_addr_t dma_addr; | |
26 | struct dma_attrs dma_attrs; | |
27 | }; | |
28 | ||
29 | struct sg_table *rockchip_gem_prime_get_sg_table(struct drm_gem_object *obj); | |
30 | struct drm_gem_object * | |
31 | rockchip_gem_prime_import_sg_table(struct drm_device *dev, size_t size, | |
32 | struct sg_table *sgt); | |
33 | void *rockchip_gem_prime_vmap(struct drm_gem_object *obj); | |
34 | void rockchip_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); | |
35 | ||
36 | /* drm driver mmap file operations */ | |
37 | int rockchip_gem_mmap(struct file *filp, struct vm_area_struct *vma); | |
38 | ||
39 | /* mmap a gem object to userspace. */ | |
40 | int rockchip_gem_mmap_buf(struct drm_gem_object *obj, | |
41 | struct vm_area_struct *vma); | |
42 | ||
43 | struct rockchip_gem_object * | |
f76c83b5 DK |
44 | rockchip_gem_create_object(struct drm_device *drm, unsigned int size, |
45 | bool alloc_kmap); | |
2048e328 MY |
46 | |
47 | void rockchip_gem_free_object(struct drm_gem_object *obj); | |
48 | ||
49 | int rockchip_gem_dumb_create(struct drm_file *file_priv, | |
50 | struct drm_device *dev, | |
51 | struct drm_mode_create_dumb *args); | |
52 | int rockchip_gem_dumb_map_offset(struct drm_file *file_priv, | |
53 | struct drm_device *dev, uint32_t handle, | |
54 | uint64_t *offset); | |
55 | #endif /* _ROCKCHIP_DRM_GEM_H */ |