1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright (C) 2012 Russell King
 
 
 
 
 4 */
 5#ifndef ARMADA_GEM_H
 6#define ARMADA_GEM_H
 7
 8#include <drm/drm_gem.h>
 9
10/* GEM */
11struct armada_gem_object {
12	struct drm_gem_object	obj;
13	void			*addr;
14	phys_addr_t		phys_addr;
15	resource_size_t		dev_addr;
16	bool			mapped;
17	struct drm_mm_node	*linear;	/* for linear backed */
18	struct page		*page;		/* for page backed */
19	struct sg_table		*sgt;		/* for imported */
20	void			(*update)(void *);
21	void			*update_data;
22};
23
24extern const struct vm_operations_struct armada_gem_vm_ops;
25
26#define drm_to_armada_gem(o) container_of(o, struct armada_gem_object, obj)
27
28void armada_gem_free_object(struct drm_gem_object *);
29int armada_gem_linear_back(struct drm_device *, struct armada_gem_object *);
30void *armada_gem_map_object(struct drm_device *, struct armada_gem_object *);
31struct armada_gem_object *armada_gem_alloc_private_object(struct drm_device *,
32	size_t);
33int armada_gem_dumb_create(struct drm_file *, struct drm_device *,
34	struct drm_mode_create_dumb *);
35struct dma_buf *armada_gem_prime_export(struct drm_gem_object *obj, int flags);
 
36struct drm_gem_object *armada_gem_prime_import(struct drm_device *,
37	struct dma_buf *);
38int armada_gem_map_import(struct armada_gem_object *);
39
40static inline struct armada_gem_object *armada_gem_object_lookup(
41	struct drm_file *dfile, unsigned handle)
42{
43	struct drm_gem_object *obj = drm_gem_object_lookup(dfile, handle);
44
45	return obj ? drm_to_armada_gem(obj) : NULL;
46}
47#endif

 
 1/*
 2 * Copyright (C) 2012 Russell King
 3 *
 4 * This program is free software; you can redistribute it and/or modify
 5 * it under the terms of the GNU General Public License version 2 as
 6 * published by the Free Software Foundation.
 7 */
 8#ifndef ARMADA_GEM_H
 9#define ARMADA_GEM_H
10
11#include <drm/drm_gem.h>
12
13/* GEM */
14struct armada_gem_object {
15	struct drm_gem_object	obj;
16	void			*addr;
17	phys_addr_t		phys_addr;
18	resource_size_t		dev_addr;
19	bool			mapped;
20	struct drm_mm_node	*linear;	/* for linear backed */
21	struct page		*page;		/* for page backed */
22	struct sg_table		*sgt;		/* for imported */
23	void			(*update)(void *);
24	void			*update_data;
25};
26
27extern const struct vm_operations_struct armada_gem_vm_ops;
28
29#define drm_to_armada_gem(o) container_of(o, struct armada_gem_object, obj)
30
31void armada_gem_free_object(struct drm_gem_object *);
32int armada_gem_linear_back(struct drm_device *, struct armada_gem_object *);
33void *armada_gem_map_object(struct drm_device *, struct armada_gem_object *);
34struct armada_gem_object *armada_gem_alloc_private_object(struct drm_device *,
35	size_t);
36int armada_gem_dumb_create(struct drm_file *, struct drm_device *,
37	struct drm_mode_create_dumb *);
38struct dma_buf *armada_gem_prime_export(struct drm_device *dev,
39	struct drm_gem_object *obj, int flags);
40struct drm_gem_object *armada_gem_prime_import(struct drm_device *,
41	struct dma_buf *);
42int armada_gem_map_import(struct armada_gem_object *);
43
44static inline struct armada_gem_object *armada_gem_object_lookup(
45	struct drm_file *dfile, unsigned handle)
46{
47	struct drm_gem_object *obj = drm_gem_object_lookup(dfile, handle);
48
49	return obj ? drm_to_armada_gem(obj) : NULL;
50}
51#endif