Orange Pi5 kernel

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) 2012 Russell King
 */
#ifndef ARMADA_GEM_H
#define ARMADA_GEM_H
 
#include <drm/drm_gem.h>
 
/* GEM */
struct armada_gem_object {
<------>struct drm_gem_object	obj;
<------>void			*addr;
<------>phys_addr_t		phys_addr;
<------>resource_size_t		dev_addr;
<------>bool			mapped;
<------>struct drm_mm_node	*linear;	/* for linear backed */
<------>struct page		*page;		/* for page backed */
<------>struct sg_table		*sgt;		/* for imported */
<------>void			(*update)(void *);
<------>void			*update_data;
};
 
extern const struct vm_operations_struct armada_gem_vm_ops;
 
#define drm_to_armada_gem(o) container_of(o, struct armada_gem_object, obj)
 
void armada_gem_free_object(struct drm_gem_object *);
int armada_gem_linear_back(struct drm_device *, struct armada_gem_object *);
void *armada_gem_map_object(struct drm_device *, struct armada_gem_object *);
struct armada_gem_object *armada_gem_alloc_private_object(struct drm_device *,
<------>size_t);
int armada_gem_dumb_create(struct drm_file *, struct drm_device *,
<------>struct drm_mode_create_dumb *);
struct dma_buf *armada_gem_prime_export(struct drm_gem_object *obj, int flags);
struct drm_gem_object *armada_gem_prime_import(struct drm_device *,
<------>struct dma_buf *);
int armada_gem_map_import(struct armada_gem_object *);
 
static inline struct armada_gem_object *armada_gem_object_lookup(
<------>struct drm_file *dfile, unsigned handle)
{
<------>struct drm_gem_object *obj = drm_gem_object_lookup(dfile, handle);
 
<------>return obj ? drm_to_armada_gem(obj) : NULL;
}
#endif