diff options
Diffstat (limited to 'include/drm/drm_prime.h')
| -rw-r--r-- | include/drm/drm_prime.h | 62 |
1 files changed, 46 insertions, 16 deletions
diff --git a/include/drm/drm_prime.h b/include/drm/drm_prime.h index 9cd9e36f77b5..f50f862f0d8b 100644 --- a/include/drm/drm_prime.h +++ b/include/drm/drm_prime.h @@ -42,7 +42,6 @@ * This just contains the internal &struct dma_buf and handle caches for each * &struct drm_file used by the PRIME core code. */ - struct drm_prime_file_private { /* private: */ struct mutex lock; @@ -54,36 +53,67 @@ struct device; struct dma_buf_export_info; struct dma_buf; +struct dma_buf_attachment; +struct iosys_map; + +enum dma_data_direction; struct drm_device; struct drm_gem_object; struct drm_file; -struct device; +/* core prime functions */ +struct dma_buf *drm_gem_dmabuf_export(struct drm_device *dev, + struct dma_buf_export_info *exp_info); +void drm_gem_dmabuf_release(struct dma_buf *dma_buf); -struct dma_buf *drm_gem_prime_export(struct drm_device *dev, - struct drm_gem_object *obj, - int flags); +int drm_gem_prime_fd_to_handle(struct drm_device *dev, + struct drm_file *file_priv, int prime_fd, uint32_t *handle); +struct dma_buf *drm_gem_prime_handle_to_dmabuf(struct drm_device *dev, + struct drm_file *file_priv, uint32_t handle, + uint32_t flags); int drm_gem_prime_handle_to_fd(struct drm_device *dev, struct drm_file *file_priv, uint32_t handle, uint32_t flags, int *prime_fd); -struct drm_gem_object *drm_gem_prime_import(struct drm_device *dev, - struct dma_buf *dma_buf); + +/* helper functions for exporting */ +int drm_gem_map_attach(struct dma_buf *dma_buf, + struct dma_buf_attachment *attach); +void drm_gem_map_detach(struct dma_buf *dma_buf, + struct dma_buf_attachment *attach); +struct sg_table *drm_gem_map_dma_buf(struct dma_buf_attachment *attach, + enum dma_data_direction dir); +void drm_gem_unmap_dma_buf(struct dma_buf_attachment *attach, + struct sg_table *sgt, + enum dma_data_direction dir); +int drm_gem_dmabuf_vmap(struct dma_buf *dma_buf, struct iosys_map *map); +void drm_gem_dmabuf_vunmap(struct dma_buf *dma_buf, struct iosys_map *map); + +int drm_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma); +int drm_gem_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma); + +struct sg_table *drm_prime_pages_to_sg(struct drm_device *dev, + struct page **pages, unsigned int nr_pages); +struct dma_buf *drm_gem_prime_export(struct drm_gem_object *obj, + int flags); + +unsigned long drm_prime_get_contiguous_size(struct sg_table *sgt); + +/* helper functions for importing */ +bool drm_gem_is_prime_exported_dma_buf(struct drm_device *dev, + struct dma_buf *dma_buf); struct drm_gem_object *drm_gem_prime_import_dev(struct drm_device *dev, struct dma_buf *dma_buf, struct device *attach_dev); +struct drm_gem_object *drm_gem_prime_import(struct drm_device *dev, + struct dma_buf *dma_buf); -int drm_gem_prime_fd_to_handle(struct drm_device *dev, - struct drm_file *file_priv, int prime_fd, uint32_t *handle); -struct dma_buf *drm_gem_dmabuf_export(struct drm_device *dev, - struct dma_buf_export_info *exp_info); -void drm_gem_dmabuf_release(struct dma_buf *dma_buf); - -int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, struct page **pages, - dma_addr_t *addrs, int max_pages); -struct sg_table *drm_prime_pages_to_sg(struct page **pages, unsigned int nr_pages); void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg); +int drm_prime_sg_to_page_array(struct sg_table *sgt, struct page **pages, + int max_pages); +int drm_prime_sg_to_dma_addr_array(struct sg_table *sgt, dma_addr_t *addrs, + int max_pages); #endif /* __DRM_PRIME_H__ */ |