66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
/*
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* drivers/video/tegra/nvmap/nvmap_heap.h
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*
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* GPU heap allocator.
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*
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* Copyright (c) 2010-2013, NVIDIA Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef __NVMAP_HEAP_H
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#define __NVMAP_HEAP_H
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struct device;
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struct nvmap_heap;
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struct attribute_group;
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struct nvmap_heap_block {
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phys_addr_t base;
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unsigned int type;
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struct nvmap_handle *handle;
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};
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struct nvmap_heap *nvmap_heap_create(struct device *parent, const char *name,
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phys_addr_t base, size_t len, void *arg);
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void nvmap_heap_destroy(struct nvmap_heap *heap);
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void *nvmap_heap_device_to_arg(struct device *dev);
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void *nvmap_heap_to_arg(struct nvmap_heap *heap);
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struct nvmap_heap_block *nvmap_heap_alloc(struct nvmap_heap *heap,
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struct nvmap_handle *handle);
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struct nvmap_heap *nvmap_block_to_heap(struct nvmap_heap_block *b);
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void nvmap_heap_free(struct nvmap_heap_block *block);
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int nvmap_heap_create_group(struct nvmap_heap *heap,
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const struct attribute_group *grp);
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void nvmap_heap_remove_group(struct nvmap_heap *heap,
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const struct attribute_group *grp);
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int __init nvmap_heap_init(void);
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void nvmap_heap_deinit(void);
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int nvmap_flush_heap_block(struct nvmap_client *client,
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struct nvmap_heap_block *block, size_t len, unsigned int prot);
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#endif
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