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David Howellsb920de12008-02-08 04:19:31 -08001/* DMA mapping routines for the MN10300 arch
2 *
3 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public Licence
8 * as published by the Free Software Foundation; either version
9 * 2 of the Licence, or (at your option) any later version.
10 */
11#ifndef _ASM_DMA_MAPPING_H
12#define _ASM_DMA_MAPPING_H
13
David Howellsb920de12008-02-08 04:19:31 -080014#include <asm/cache.h>
15#include <asm/io.h>
16
Christoph Hellwigf1513412016-01-20 15:01:50 -080017extern struct dma_map_ops mn10300_dma_ops;
FUJITA Tomonori06db8812010-03-10 15:23:33 -080018
Christoph Hellwigf1513412016-01-20 15:01:50 -080019static inline struct dma_map_ops *get_dma_ops(struct device *dev)
David Howellsb920de12008-02-08 04:19:31 -080020{
Christoph Hellwigf1513412016-01-20 15:01:50 -080021 return &mn10300_dma_ops;
David Howellsb920de12008-02-08 04:19:31 -080022}
23
David Howellsb920de12008-02-08 04:19:31 -080024static inline
25void dma_cache_sync(void *vaddr, size_t size,
26 enum dma_data_direction direction)
27{
28 mn10300_dcache_flush_inv();
29}
30
David Howellsb920de12008-02-08 04:19:31 -080031#endif