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
6 * Copyright (C) 2003 - 2005 Tensilica Inc.
7 * Copyright (C) 2015 Cadence Design Systems Inc.
10 #ifndef _XTENSA_DMA_MAPPING_H
11 #define _XTENSA_DMA_MAPPING_H
13 #include <asm/cache.h>
17 #include <linux/scatterlist.h>
19 extern const struct dma_map_ops xtensa_dma_map_ops
;
21 static inline const struct dma_map_ops
*get_arch_dma_ops(struct bus_type
*bus
)
23 return &xtensa_dma_map_ops
;
26 void dma_cache_sync(struct device
*dev
, void *vaddr
, size_t size
,
27 enum dma_data_direction direction
);
29 static inline dma_addr_t
phys_to_dma(struct device
*dev
, phys_addr_t paddr
)
31 return (dma_addr_t
)paddr
;
34 static inline phys_addr_t
dma_to_phys(struct device
*dev
, dma_addr_t daddr
)
36 return (phys_addr_t
)daddr
;
39 #endif /* _XTENSA_DMA_MAPPING_H */