[linux-2.6-block.git] / arch / arc / include / asm / dma-mapping.h

/*
 * DMA Mapping glue for ARC
 *
 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
 *
 * 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.
 */

#ifndef ASM_ARC_DMA_MAPPING_H
#define ASM_ARC_DMA_MAPPING_H

#ifndef CONFIG_ARC_PLAT_NEEDS_PHYS_TO_DMA
#define plat_dma_to_phys(dev, dma_handle) ((phys_addr_t)(dma_handle))
#define plat_phys_to_dma(dev, paddr) ((dma_addr_t)(paddr))
#else
#include <plat/dma.h>
#endif

extern struct dma_map_ops arc_dma_ops;

static inline struct dma_map_ops *get_dma_ops(struct device *dev)
{
	return &arc_dma_ops;
}

#endif
Commit	Line	Data
1162b070 VG	1	/*
	2	* DMA Mapping glue for ARC
	3	*
	4	* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License version 2 as
	8	* published by the Free Software Foundation.
	9	*/
	10
	11	#ifndef ASM_ARC_DMA_MAPPING_H
	12	#define ASM_ARC_DMA_MAPPING_H
	13
f2e3d553 VG	14	#ifndef CONFIG_ARC_PLAT_NEEDS_PHYS_TO_DMA
	15	#define plat_dma_to_phys(dev, dma_handle) ((phys_addr_t)(dma_handle))
	16	#define plat_phys_to_dma(dev, paddr) ((dma_addr_t)(paddr))
	17	#else
	18	#include <plat/dma.h>
	19	#endif
	20
052c96db	21	extern struct dma_map_ops arc_dma_ops;
fc7943d2	22
052c96db	23	static inline struct dma_map_ops get_dma_ops(struct device dev)
1162b070	24	{
052c96db	25	return &arc_dma_ops;
1162b070 VG	26	}
1162b070 VG	27
1162b070	28	#endif