forked from mirrors/linux
		
	 ee22f76306
			
		
	
	
		ee22f76306
		
	
	
	
	
		
			
			This removes these unless legacy is enabled. The lock count init is unneeded anyways since it's kzalloc. Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
		
			
				
	
	
		
			208 lines
		
	
	
	
		
			7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			208 lines
		
	
	
	
		
			7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| #ifndef __DRM_LEGACY_H__
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| #define __DRM_LEGACY_H__
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| 
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| /*
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|  * Copyright (c) 2014 David Herrmann <dh.herrmann@gmail.com>
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|  *
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|  * Permission is hereby granted, free of charge, to any person obtaining a
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|  * copy of this software and associated documentation files (the "Software"),
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|  * to deal in the Software without restriction, including without limitation
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|  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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|  * and/or sell copies of the Software, and to permit persons to whom the
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|  * Software is furnished to do so, subject to the following conditions:
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|  *
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|  * The above copyright notice and this permission notice shall be included in
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|  * all copies or substantial portions of the Software.
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|  *
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|  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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|  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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|  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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|  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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|  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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|  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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|  * OTHER DEALINGS IN THE SOFTWARE.
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|  */
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| 
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| /*
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|  * This file contains legacy interfaces that modern drm drivers
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|  * should no longer be using. They cannot be removed as legacy
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|  * drivers use them, and removing them are API breaks.
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|  */
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| #include <linux/list.h>
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| #include <drm/drm_legacy.h>
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| 
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| struct agp_memory;
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| struct drm_device;
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| struct drm_file;
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| 
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| /*
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|  * Generic DRM Contexts
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|  */
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| 
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| #define DRM_KERNEL_CONTEXT		0
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| #define DRM_RESERVED_CONTEXTS		1
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| 
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| #if IS_ENABLED(CONFIG_DRM_LEGACY)
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| void drm_legacy_ctxbitmap_init(struct drm_device *dev);
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| void drm_legacy_ctxbitmap_cleanup(struct drm_device *dev);
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| void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file);
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| #else
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| static inline void drm_legacy_ctxbitmap_init(struct drm_device *dev) {}
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| static inline void drm_legacy_ctxbitmap_cleanup(struct drm_device *dev) {}
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| static inline void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file) {}
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| #endif
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| 
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| void drm_legacy_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
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| 
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| #if IS_ENABLED(CONFIG_DRM_LEGACY)
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| int drm_legacy_resctx(struct drm_device *d, void *v, struct drm_file *f);
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| int drm_legacy_addctx(struct drm_device *d, void *v, struct drm_file *f);
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| int drm_legacy_getctx(struct drm_device *d, void *v, struct drm_file *f);
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| int drm_legacy_switchctx(struct drm_device *d, void *v, struct drm_file *f);
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| int drm_legacy_newctx(struct drm_device *d, void *v, struct drm_file *f);
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| int drm_legacy_rmctx(struct drm_device *d, void *v, struct drm_file *f);
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| 
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| int drm_legacy_setsareactx(struct drm_device *d, void *v, struct drm_file *f);
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| int drm_legacy_getsareactx(struct drm_device *d, void *v, struct drm_file *f);
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| #endif
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| 
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| /*
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|  * Generic Buffer Management
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|  */
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| 
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| #define DRM_MAP_HASH_OFFSET 0x10000000
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| 
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| #if IS_ENABLED(CONFIG_DRM_LEGACY)
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| static inline int drm_legacy_create_map_hash(struct drm_device *dev)
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| {
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| 	return drm_ht_create(&dev->map_hash, 12);
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| }
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| 
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| static inline void drm_legacy_remove_map_hash(struct drm_device *dev)
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| {
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| 	drm_ht_remove(&dev->map_hash);
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| }
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| #else
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| static inline int drm_legacy_create_map_hash(struct drm_device *dev)
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| {
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| 	return 0;
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| }
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| 
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| static inline void drm_legacy_remove_map_hash(struct drm_device *dev) {}
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| #endif
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| 
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| 
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| #if IS_ENABLED(CONFIG_DRM_LEGACY)
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| int drm_legacy_getmap_ioctl(struct drm_device *dev, void *data,
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| 			    struct drm_file *file_priv);
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| int drm_legacy_addmap_ioctl(struct drm_device *d, void *v, struct drm_file *f);
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| int drm_legacy_rmmap_ioctl(struct drm_device *d, void *v, struct drm_file *f);
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| 
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| int drm_legacy_addbufs(struct drm_device *d, void *v, struct drm_file *f);
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| int drm_legacy_infobufs(struct drm_device *d, void *v, struct drm_file *f);
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| int drm_legacy_markbufs(struct drm_device *d, void *v, struct drm_file *f);
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| int drm_legacy_freebufs(struct drm_device *d, void *v, struct drm_file *f);
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| int drm_legacy_mapbufs(struct drm_device *d, void *v, struct drm_file *f);
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| int drm_legacy_dma_ioctl(struct drm_device *d, void *v, struct drm_file *f);
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| #endif
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| 
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| int __drm_legacy_infobufs(struct drm_device *, void *, int *,
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| 			  int (*)(void *, int, struct drm_buf_entry *));
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| int __drm_legacy_mapbufs(struct drm_device *, void *, int *,
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| 			  void __user **,
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| 			  int (*)(void *, int, unsigned long, struct drm_buf *),
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| 			  struct drm_file *);
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| 
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| #if IS_ENABLED(CONFIG_DRM_LEGACY)
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| void drm_legacy_master_rmmaps(struct drm_device *dev,
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| 			      struct drm_master *master);
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| void drm_legacy_rmmaps(struct drm_device *dev);
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| #else
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| static inline void drm_legacy_master_rmmaps(struct drm_device *dev,
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| 					    struct drm_master *master) {}
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| static inline void drm_legacy_rmmaps(struct drm_device *dev) {}
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| #endif
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| 
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| #if IS_ENABLED(CONFIG_DRM_VM) && IS_ENABLED(CONFIG_DRM_LEGACY)
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| void drm_legacy_vma_flush(struct drm_device *d);
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| #else
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| static inline void drm_legacy_vma_flush(struct drm_device *d)
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| {
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| 	/* do nothing */
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| }
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| #endif
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| 
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| /*
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|  * AGP Support
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|  */
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| 
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| struct drm_agp_mem {
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| 	unsigned long handle;
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| 	struct agp_memory *memory;
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| 	unsigned long bound;
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| 	int pages;
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| 	struct list_head head;
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| };
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| 
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| /* drm_lock.c */
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| #if IS_ENABLED(CONFIG_DRM_LEGACY)
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| int drm_legacy_lock(struct drm_device *d, void *v, struct drm_file *f);
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| int drm_legacy_unlock(struct drm_device *d, void *v, struct drm_file *f);
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| void drm_legacy_lock_release(struct drm_device *dev, struct file *filp);
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| #else
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| static inline void drm_legacy_lock_release(struct drm_device *dev, struct file *filp) {}
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| #endif
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| 
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| /* DMA support */
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| #if IS_ENABLED(CONFIG_DRM_LEGACY)
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| int drm_legacy_dma_setup(struct drm_device *dev);
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| void drm_legacy_dma_takedown(struct drm_device *dev);
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| #else
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| static inline int drm_legacy_dma_setup(struct drm_device *dev)
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| {
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| 	return 0;
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| }
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| #endif
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| 
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| void drm_legacy_free_buffer(struct drm_device *dev,
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| 			    struct drm_buf * buf);
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| #if IS_ENABLED(CONFIG_DRM_LEGACY)
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| void drm_legacy_reclaim_buffers(struct drm_device *dev,
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| 				struct drm_file *filp);
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| #else
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| static inline void drm_legacy_reclaim_buffers(struct drm_device *dev,
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| 					      struct drm_file *filp) {}
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| #endif
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| 
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| /* Scatter Gather Support */
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| #if IS_ENABLED(CONFIG_DRM_LEGACY)
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| void drm_legacy_sg_cleanup(struct drm_device *dev);
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| int drm_legacy_sg_alloc(struct drm_device *dev, void *data,
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| 			struct drm_file *file_priv);
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| int drm_legacy_sg_free(struct drm_device *dev, void *data,
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| 		       struct drm_file *file_priv);
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| #endif
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| 
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| #if IS_ENABLED(CONFIG_DRM_LEGACY)
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| void drm_legacy_init_members(struct drm_device *dev);
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| void drm_legacy_destroy_members(struct drm_device *dev);
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| void drm_legacy_dev_reinit(struct drm_device *dev);
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| #else
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| static inline void drm_legacy_init_members(struct drm_device *dev) {}
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| static inline void drm_legacy_destroy_members(struct drm_device *dev) {}
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| static inline void drm_legacy_dev_reinit(struct drm_device *dev) {}
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| #endif
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| 
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| #if IS_ENABLED(CONFIG_DRM_LEGACY)
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| void drm_legacy_lock_master_cleanup(struct drm_device *dev, struct drm_master *master);
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| #else
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| static inline void drm_legacy_lock_master_cleanup(struct drm_device *dev, struct drm_master *master) {}
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| #endif
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| 
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| #if IS_ENABLED(CONFIG_DRM_LEGACY)
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| void drm_master_legacy_init(struct drm_master *master);
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| #else
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| static inline void drm_master_legacy_init(struct drm_master *master) {}
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| #endif
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| 
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| #endif /* __DRM_LEGACY_H__ */
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