mirror of
				git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
				synced 2025-09-04 20:19:47 +08:00 
			
		
		
		
	 f664a52695
			
		
	
	
		f664a52695
		
	
	
	
	
		
			
			Neither used nor correctly implemented anywhere. Just completely remove the interface. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Acked-by: Sumit Semwal <sumit.semwal@linaro.org> Link: https://patchwork.freedesktop.org/patch/226645/
		
			
				
	
	
		
			108 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			108 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * Copyright © 2012 Red Hat
 | |
|  * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
 | |
|  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
 | |
|  * Copyright (c) 2009-2010, Code Aurora Forum.
 | |
|  *
 | |
|  * Permission is hereby granted, free of charge, to any person obtaining a
 | |
|  * copy of this software and associated documentation files (the "Software"),
 | |
|  * to deal in the Software without restriction, including without limitation
 | |
|  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 | |
|  * and/or sell copies of the Software, and to permit persons to whom the
 | |
|  * Software is furnished to do so, subject to the following conditions:
 | |
|  *
 | |
|  * The above copyright notice and this permission notice (including the next
 | |
|  * paragraph) shall be included in all copies or substantial portions of the
 | |
|  * Software.
 | |
|  *
 | |
|  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 | |
|  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 | |
|  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 | |
|  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 | |
|  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 | |
|  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 | |
|  * IN THE SOFTWARE.
 | |
|  *
 | |
|  * Authors:
 | |
|  *      Dave Airlie <airlied@redhat.com>
 | |
|  *      Rob Clark <rob.clark@linaro.org>
 | |
|  *
 | |
|  */
 | |
| 
 | |
| #ifndef __DRM_PRIME_H__
 | |
| #define __DRM_PRIME_H__
 | |
| 
 | |
| #include <linux/mutex.h>
 | |
| #include <linux/rbtree.h>
 | |
| #include <linux/scatterlist.h>
 | |
| 
 | |
| /**
 | |
|  * struct drm_prime_file_private - per-file tracking for PRIME
 | |
|  *
 | |
|  * 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;
 | |
| 	struct rb_root dmabufs;
 | |
| 	struct rb_root handles;
 | |
| };
 | |
| 
 | |
| struct device;
 | |
| 
 | |
| struct dma_buf_export_info;
 | |
| struct dma_buf;
 | |
| struct dma_buf_attachment;
 | |
| 
 | |
| enum dma_data_direction;
 | |
| 
 | |
| struct drm_device;
 | |
| struct drm_gem_object;
 | |
| struct drm_file;
 | |
| 
 | |
| struct device;
 | |
| 
 | |
| struct dma_buf *drm_gem_prime_export(struct drm_device *dev,
 | |
| 				     struct drm_gem_object *obj,
 | |
| 				     int 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);
 | |
| 
 | |
| struct drm_gem_object *drm_gem_prime_import_dev(struct drm_device *dev,
 | |
| 						struct dma_buf *dma_buf,
 | |
| 						struct device *attach_dev);
 | |
| 
 | |
| 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_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);
 | |
| void *drm_gem_dmabuf_vmap(struct dma_buf *dma_buf);
 | |
| void drm_gem_dmabuf_vunmap(struct dma_buf *dma_buf, void *vaddr);
 | |
| void *drm_gem_dmabuf_kmap(struct dma_buf *dma_buf, unsigned long page_num);
 | |
| void drm_gem_dmabuf_kunmap(struct dma_buf *dma_buf, unsigned long page_num,
 | |
| 			   void *addr);
 | |
| int drm_gem_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma);
 | |
| 
 | |
| 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);
 | |
| 
 | |
| 
 | |
| #endif /* __DRM_PRIME_H__ */
 |