projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 9c92ab61 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2048e328 MY |
2 | /* |
| 3 | * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd | |
| 4 | * Author:Mark Yao <mark.yao@rock-chips.com> | |
| 2048e328 MY |
5 | */ |
| 6 | ||
| 7 | #ifndef _ROCKCHIP_DRM_GEM_H | |
| 8 | #define _ROCKCHIP_DRM_GEM_H | |
| 9 | ||
| 10 | #define to_rockchip_obj(x) container_of(x, struct rockchip_gem_object, base) | |
| 11 | ||
| 12 | struct rockchip_gem_object { | |
| 13 | struct drm_gem_object base; | |
| 14 | unsigned int flags; | |
| 15 | ||
| 16 | void *kvaddr; | |
| 17 | dma_addr_t dma_addr; | |
| 38f993b7 | 18 | /* Used when IOMMU is disabled */ |
| 00085f1e | 19 | unsigned long dma_attrs; |
| 38f993b7 TF |
20 | |
| 21 | /* Used when IOMMU is enabled */ | |
| 22 | struct drm_mm_node mm; | |
| 23 | unsigned long num_pages; | |
| 24 | struct page **pages; | |
| 25 | struct sg_table *sgt; | |
| 26 | size_t size; | |
| 2048e328 MY |
27 | }; |
| 28 | ||
| 29 | struct sg_table *rockchip_gem_prime_get_sg_table(struct drm_gem_object *obj); | |
| 30 | struct drm_gem_object * | |
| 6fd0bfe2 HS |
31 | rockchip_gem_prime_import_sg_table(struct drm_device *dev, |
| 32 | struct dma_buf_attachment *attach, | |
| 33 | struct sg_table *sg); | |
| 2048e328 MY |
34 | void *rockchip_gem_prime_vmap(struct drm_gem_object *obj); |
| 35 | void rockchip_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); | |
| 36 | ||
| 37 | /* drm driver mmap file operations */ | |
| 38 | int rockchip_gem_mmap(struct file *filp, struct vm_area_struct *vma); | |
| 39 | ||
| 40 | /* mmap a gem object to userspace. */ | |
| 41 | int rockchip_gem_mmap_buf(struct drm_gem_object *obj, | |
| 42 | struct vm_area_struct *vma); | |
| 43 | ||
| 44 | struct rockchip_gem_object * | |
| f76c83b5 DK |
45 | rockchip_gem_create_object(struct drm_device *drm, unsigned int size, |
| 46 | bool alloc_kmap); | |
| 2048e328 MY |
47 | |
| 48 | void rockchip_gem_free_object(struct drm_gem_object *obj); | |
| 49 | ||
| 50 | int rockchip_gem_dumb_create(struct drm_file *file_priv, | |
| 51 | struct drm_device *dev, | |
| 52 | struct drm_mode_create_dumb *args); | |
| 2048e328 | 53 | #endif /* _ROCKCHIP_DRM_GEM_H */ |