2 * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
3 * Author:Mark Yao <mark.yao@rock-chips.com>
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.
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.
15 #ifndef _ROCKCHIP_DRM_GEM_H
16 #define _ROCKCHIP_DRM_GEM_H
18 #define to_rockchip_obj(x) container_of(x, struct rockchip_gem_object, base)
20 struct rockchip_gem_object {
21 struct drm_gem_object base;
26 /* Used when IOMMU is disabled */
27 unsigned long dma_attrs;
29 /* Used when IOMMU is enabled */
30 struct drm_mm_node mm;
31 unsigned long num_pages;
37 struct sg_table *rockchip_gem_prime_get_sg_table(struct drm_gem_object *obj);
38 struct drm_gem_object *
39 rockchip_gem_prime_import_sg_table(struct drm_device *dev, size_t size,
40 struct sg_table *sgt);
41 void *rockchip_gem_prime_vmap(struct drm_gem_object *obj);
42 void rockchip_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
44 /* drm driver mmap file operations */
45 int rockchip_gem_mmap(struct file *filp, struct vm_area_struct *vma);
47 /* mmap a gem object to userspace. */
48 int rockchip_gem_mmap_buf(struct drm_gem_object *obj,
49 struct vm_area_struct *vma);
51 struct rockchip_gem_object *
52 rockchip_gem_create_object(struct drm_device *drm, unsigned int size,
55 void rockchip_gem_free_object(struct drm_gem_object *obj);
57 int rockchip_gem_dumb_create(struct drm_file *file_priv,
58 struct drm_device *dev,
59 struct drm_mode_create_dumb *args);
60 int rockchip_gem_dumb_map_offset(struct drm_file *file_priv,
61 struct drm_device *dev, uint32_t handle,
63 #endif /* _ROCKCHIP_DRM_GEM_H */