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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Copyright (C) 2012 Russell King4 */5#ifndef ARMADA_GEM_H6#define ARMADA_GEM_H7 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 24#define drm_to_armada_gem(o) container_of(o, struct armada_gem_object, obj)25 26void armada_gem_free_object(struct drm_gem_object *);27int armada_gem_linear_back(struct drm_device *, struct armada_gem_object *);28void *armada_gem_map_object(struct drm_device *, struct armada_gem_object *);29struct armada_gem_object *armada_gem_alloc_private_object(struct drm_device *,30 size_t);31int armada_gem_dumb_create(struct drm_file *, struct drm_device *,32 struct drm_mode_create_dumb *);33struct dma_buf *armada_gem_prime_export(struct drm_gem_object *obj, int flags);34struct drm_gem_object *armada_gem_prime_import(struct drm_device *,35 struct dma_buf *);36int armada_gem_map_import(struct armada_gem_object *);37 38static inline struct armada_gem_object *armada_gem_object_lookup(39 struct drm_file *dfile, unsigned handle)40{41 struct drm_gem_object *obj = drm_gem_object_lookup(dfile, handle);42 43 return obj ? drm_to_armada_gem(obj) : NULL;44}45#endif46