1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Copyright (C) 2012 Russell King
4*4882a593Smuzhiyun */
5*4882a593Smuzhiyun #ifndef ARMADA_GEM_H
6*4882a593Smuzhiyun #define ARMADA_GEM_H
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #include <drm/drm_gem.h>
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun /* GEM */
11*4882a593Smuzhiyun struct armada_gem_object {
12*4882a593Smuzhiyun struct drm_gem_object obj;
13*4882a593Smuzhiyun void *addr;
14*4882a593Smuzhiyun phys_addr_t phys_addr;
15*4882a593Smuzhiyun resource_size_t dev_addr;
16*4882a593Smuzhiyun bool mapped;
17*4882a593Smuzhiyun struct drm_mm_node *linear; /* for linear backed */
18*4882a593Smuzhiyun struct page *page; /* for page backed */
19*4882a593Smuzhiyun struct sg_table *sgt; /* for imported */
20*4882a593Smuzhiyun void (*update)(void *);
21*4882a593Smuzhiyun void *update_data;
22*4882a593Smuzhiyun };
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun extern const struct vm_operations_struct armada_gem_vm_ops;
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun #define drm_to_armada_gem(o) container_of(o, struct armada_gem_object, obj)
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun void armada_gem_free_object(struct drm_gem_object *);
29*4882a593Smuzhiyun int armada_gem_linear_back(struct drm_device *, struct armada_gem_object *);
30*4882a593Smuzhiyun void *armada_gem_map_object(struct drm_device *, struct armada_gem_object *);
31*4882a593Smuzhiyun struct armada_gem_object *armada_gem_alloc_private_object(struct drm_device *,
32*4882a593Smuzhiyun size_t);
33*4882a593Smuzhiyun int armada_gem_dumb_create(struct drm_file *, struct drm_device *,
34*4882a593Smuzhiyun struct drm_mode_create_dumb *);
35*4882a593Smuzhiyun struct dma_buf *armada_gem_prime_export(struct drm_gem_object *obj, int flags);
36*4882a593Smuzhiyun struct drm_gem_object *armada_gem_prime_import(struct drm_device *,
37*4882a593Smuzhiyun struct dma_buf *);
38*4882a593Smuzhiyun int armada_gem_map_import(struct armada_gem_object *);
39*4882a593Smuzhiyun
armada_gem_object_lookup(struct drm_file * dfile,unsigned handle)40*4882a593Smuzhiyun static inline struct armada_gem_object *armada_gem_object_lookup(
41*4882a593Smuzhiyun struct drm_file *dfile, unsigned handle)
42*4882a593Smuzhiyun {
43*4882a593Smuzhiyun struct drm_gem_object *obj = drm_gem_object_lookup(dfile, handle);
44*4882a593Smuzhiyun
45*4882a593Smuzhiyun return obj ? drm_to_armada_gem(obj) : NULL;
46*4882a593Smuzhiyun }
47*4882a593Smuzhiyun #endif
48