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d2912cb1 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
96f60e37 RK |
2 | /* |
3 | * Copyright (C) 2012 Russell King | |
96f60e37 RK |
4 | */ |
5 | #ifndef ARMADA_GEM_H | |
6 | #define ARMADA_GEM_H | |
7 | ||
d9fc9413 DV |
8 | #include <drm/drm_gem.h> |
9 | ||
96f60e37 RK |
10 | /* GEM */ |
11 | struct armada_gem_object { | |
12 | struct drm_gem_object obj; | |
13 | void *addr; | |
14 | phys_addr_t phys_addr; | |
15 | resource_size_t dev_addr; | |
b4005857 | 16 | bool mapped; |
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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 | ||
24 | extern 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 | ||
28 | void armada_gem_free_object(struct drm_gem_object *); | |
29 | int armada_gem_linear_back(struct drm_device *, struct armada_gem_object *); | |
30 | void *armada_gem_map_object(struct drm_device *, struct armada_gem_object *); | |
31 | struct armada_gem_object *armada_gem_alloc_private_object(struct drm_device *, | |
32 | size_t); | |
33 | int armada_gem_dumb_create(struct drm_file *, struct drm_device *, | |
34 | struct drm_mode_create_dumb *); | |
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35 | struct dma_buf *armada_gem_prime_export(struct drm_device *dev, |
36 | struct drm_gem_object *obj, int flags); | |
37 | struct drm_gem_object *armada_gem_prime_import(struct drm_device *, | |
38 | struct dma_buf *); | |
39 | int armada_gem_map_import(struct armada_gem_object *); | |
40 | ||
41 | static inline struct armada_gem_object *armada_gem_object_lookup( | |
a8ad0bd8 | 42 | struct drm_file *dfile, unsigned handle) |
96f60e37 | 43 | { |
a8ad0bd8 | 44 | struct drm_gem_object *obj = drm_gem_object_lookup(dfile, handle); |
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45 | |
46 | return obj ? drm_to_armada_gem(obj) : NULL; | |
47 | } | |
48 | #endif |