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Based on 2 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2012 Russell King
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*/
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#ifndef ARMADA_GEM_H
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#define ARMADA_GEM_H
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#include <drm/drm_gem.h>
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/* GEM */
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struct armada_gem_object {
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struct drm_gem_object obj;
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void *addr;
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phys_addr_t phys_addr;
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resource_size_t dev_addr;
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bool mapped;
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struct drm_mm_node *linear; /* for linear backed */
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struct page *page; /* for page backed */
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struct sg_table *sgt; /* for imported */
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void (*update)(void *);
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void *update_data;
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};
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extern const struct vm_operations_struct armada_gem_vm_ops;
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#define drm_to_armada_gem(o) container_of(o, struct armada_gem_object, obj)
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void armada_gem_free_object(struct drm_gem_object *);
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int armada_gem_linear_back(struct drm_device *, struct armada_gem_object *);
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void *armada_gem_map_object(struct drm_device *, struct armada_gem_object *);
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struct armada_gem_object *armada_gem_alloc_private_object(struct drm_device *,
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size_t);
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int armada_gem_dumb_create(struct drm_file *, struct drm_device *,
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struct drm_mode_create_dumb *);
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struct dma_buf *armada_gem_prime_export(struct drm_device *dev,
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struct drm_gem_object *obj, int flags);
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struct drm_gem_object *armada_gem_prime_import(struct drm_device *,
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struct dma_buf *);
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int armada_gem_map_import(struct armada_gem_object *);
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static inline struct armada_gem_object *armada_gem_object_lookup(
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struct drm_file *dfile, unsigned handle)
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{
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struct drm_gem_object *obj = drm_gem_object_lookup(dfile, handle);
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return obj ? drm_to_armada_gem(obj) : NULL;
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}
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#endif
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