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96f60e37 RK |
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 | ||
d9fc9413 DV |
11 | #include <drm/drm_gem.h> |
12 | ||
96f60e37 RK |
13 | /* GEM */ |
14 | struct 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 | struct drm_mm_node *linear; /* for linear backed */ | |
20 | struct page *page; /* for page backed */ | |
21 | struct sg_table *sgt; /* for imported */ | |
22 | void (*update)(void *); | |
23 | void *update_data; | |
24 | }; | |
25 | ||
26 | extern const struct vm_operations_struct armada_gem_vm_ops; | |
27 | ||
28 | #define drm_to_armada_gem(o) container_of(o, struct armada_gem_object, obj) | |
29 | ||
30 | void armada_gem_free_object(struct drm_gem_object *); | |
31 | int armada_gem_linear_back(struct drm_device *, struct armada_gem_object *); | |
32 | void *armada_gem_map_object(struct drm_device *, struct armada_gem_object *); | |
33 | struct armada_gem_object *armada_gem_alloc_private_object(struct drm_device *, | |
34 | size_t); | |
35 | int armada_gem_dumb_create(struct drm_file *, struct drm_device *, | |
36 | struct drm_mode_create_dumb *); | |
37 | int armada_gem_dumb_map_offset(struct drm_file *, struct drm_device *, | |
38 | uint32_t, uint64_t *); | |
39 | int armada_gem_dumb_destroy(struct drm_file *, struct drm_device *, | |
40 | uint32_t); | |
41 | struct dma_buf *armada_gem_prime_export(struct drm_device *dev, | |
42 | struct drm_gem_object *obj, int flags); | |
43 | struct drm_gem_object *armada_gem_prime_import(struct drm_device *, | |
44 | struct dma_buf *); | |
45 | int armada_gem_map_import(struct armada_gem_object *); | |
46 | ||
47 | static inline struct armada_gem_object *armada_gem_object_lookup( | |
48 | struct drm_device *dev, struct drm_file *dfile, unsigned handle) | |
49 | { | |
50 | struct drm_gem_object *obj = drm_gem_object_lookup(dev, dfile, handle); | |
51 | ||
52 | return obj ? drm_to_armada_gem(obj) : NULL; | |
53 | } | |
54 | #endif |