diff options
Diffstat (limited to 'drivers/gpu/drm/rockchip/rockchip_drm_gem.h')
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_drm_gem.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.h b/drivers/gpu/drm/rockchip/rockchip_drm_gem.h new file mode 100644 index 000000000..72f59ac6d --- /dev/null +++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.h @@ -0,0 +1,47 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd + * Author:Mark Yao <mark.yao@rock-chips.com> + */ + +#ifndef _ROCKCHIP_DRM_GEM_H +#define _ROCKCHIP_DRM_GEM_H + +#define to_rockchip_obj(x) container_of(x, struct rockchip_gem_object, base) + +struct rockchip_gem_object { + struct drm_gem_object base; + unsigned int flags; + + void *kvaddr; + dma_addr_t dma_addr; + /* Used when IOMMU is disabled */ + unsigned long dma_attrs; + + /* Used when IOMMU is enabled */ + struct drm_mm_node mm; + unsigned long num_pages; + struct page **pages; + struct sg_table *sgt; + size_t size; +}; + +struct sg_table *rockchip_gem_prime_get_sg_table(struct drm_gem_object *obj); +struct drm_gem_object * +rockchip_gem_prime_import_sg_table(struct drm_device *dev, + struct dma_buf_attachment *attach, + struct sg_table *sg); +int rockchip_gem_prime_vmap(struct drm_gem_object *obj, struct iosys_map *map); +void rockchip_gem_prime_vunmap(struct drm_gem_object *obj, + struct iosys_map *map); + +struct rockchip_gem_object * + rockchip_gem_create_object(struct drm_device *drm, unsigned int size, + bool alloc_kmap); + +void rockchip_gem_free_object(struct drm_gem_object *obj); + +int rockchip_gem_dumb_create(struct drm_file *file_priv, + struct drm_device *dev, + struct drm_mode_create_dumb *args); +#endif /* _ROCKCHIP_DRM_GEM_H */ |