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- /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2003 - 2005 Tensilica Inc.
- * Copyright (C) 2015 Cadence Design Systems Inc.
- */
- #ifndef _XTENSA_DMA_MAPPING_H
- #define _XTENSA_DMA_MAPPING_H
- #include <asm/cache.h>
- #include <asm/io.h>
- #include <asm-generic/dma-coherent.h>
- #include <linux/mm.h>
- #include <linux/scatterlist.h>
- #define DMA_ERROR_CODE (~(dma_addr_t)0x0)
- extern struct dma_map_ops xtensa_dma_map_ops;
- static inline struct dma_map_ops *get_dma_ops(struct device *dev)
- {
- if (dev && dev->archdata.dma_ops)
- return dev->archdata.dma_ops;
- else
- return &xtensa_dma_map_ops;
- }
- #include <asm-generic/dma-mapping-common.h>
- void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
- enum dma_data_direction direction);
- #endif /* _XTENSA_DMA_MAPPING_H */
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