diff options
Diffstat (limited to 'drivers/gpu/drm/starfive/starfive_drm_gem.h')
| -rw-r--r-- | drivers/gpu/drm/starfive/starfive_drm_gem.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/gpu/drm/starfive/starfive_drm_gem.h b/drivers/gpu/drm/starfive/starfive_drm_gem.h new file mode 100644 index 000000000000..13a222a26e17 --- /dev/null +++ b/drivers/gpu/drm/starfive/starfive_drm_gem.h @@ -0,0 +1,40 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2021 StarFive Technology Co., Ltd. + */ +#ifndef _STARFIVE_DRM_GEM_H +#define _STARFIVE_DRM_GEM_H + +#include <drm/drm_gem.h> + +struct starfive_drm_gem_obj { + struct drm_gem_object base; + //void *cookie; //mtk + void *kvaddr; + dma_addr_t dma_addr; + unsigned long dma_attrs; + + /* Used when IOMMU is enabled */ + unsigned long num_pages; + struct sg_table *sg; + struct page **pages; +}; + +#define to_starfive_gem_obj(x) container_of(x, struct starfive_drm_gem_obj, base) + +void starfive_drm_gem_free_object(struct drm_gem_object *obj); +int starfive_drm_gem_mmap(struct file *filp, struct vm_area_struct *vma); +int starfive_drm_gem_mmap_buf(struct drm_gem_object *obj, + struct vm_area_struct *vma); +int starfive_drm_gem_dumb_create(struct drm_file *file_priv, + struct drm_device *dev, + struct drm_mode_create_dumb *args); +struct sg_table *starfive_drm_gem_prime_get_sg_table(struct drm_gem_object *obj); +struct drm_gem_object * +starfive_drm_gem_prime_import_sg_table(struct drm_device *dev, + struct dma_buf_attachment *attach, + struct sg_table *sg); +int starfive_drm_gem_prime_vmap(struct drm_gem_object *obj, struct iosys_map *map); +void starfive_drm_gem_prime_vunmap(struct drm_gem_object *obj, struct iosys_map *map); + +#endif /* _STARFIVE_DRM_GEM_H */ |