Mark Yao | 2048e32 | 2014-08-22 18:36:26 +0800 | [diff] [blame] | 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; |
Krzysztof Kozlowski | 00085f1 | 2016-08-03 13:46:00 -0700 | [diff] [blame] | 26 | unsigned long dma_attrs; |
Mark Yao | 2048e32 | 2014-08-22 18:36:26 +0800 | [diff] [blame] | 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 * |
Daniel Kurtz | f76c83b | 2015-01-12 14:58:23 +0800 | [diff] [blame] | 44 | rockchip_gem_create_object(struct drm_device *drm, unsigned int size, |
| 45 | bool alloc_kmap); |
Mark Yao | 2048e32 | 2014-08-22 18:36:26 +0800 | [diff] [blame] | 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 */ |