1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License.  See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2006  Ralf Baechle <ralf@linux-mips.org>
7 */
8#ifndef __ASM_MACH_JAZZ_DMA_COHERENCE_H
9#define __ASM_MACH_JAZZ_DMA_COHERENCE_H
10
11#include <asm/jazzdma.h>
12
13struct device;
14
15static dma_addr_t plat_map_dma_mem(struct device *dev, void *addr, size_t size)
16{
17	return vdma_alloc(virt_to_phys(addr), size);
18}
19
20static dma_addr_t plat_map_dma_mem_page(struct device *dev, struct page *page)
21{
22	return vdma_alloc(page_to_phys(page), PAGE_SIZE);
23}
24
25static unsigned long plat_dma_addr_to_phys(dma_addr_t dma_addr)
26{
27	return vdma_log2phys(dma_addr);
28}
29
30static void plat_unmap_dma_mem(dma_addr_t dma_addr)
31{
32	vdma_free(dma_addr);
33}
34
35static inline int plat_device_is_coherent(struct device *dev)
36{
37	return 0;
38}
39
40#endif /* __ASM_MACH_JAZZ_DMA_COHERENCE_H */
41