44 lines
875 B
C
44 lines
875 B
C
/*
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* Copyright (C) 2012 by Marc Kleine-Budde <mkl@pengutronix.de>
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*
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* This file is released under the GPLv2
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*
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*/
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#ifndef __DMA_H
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#define __DMA_H
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#include <malloc.h>
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#include <xfuncs.h>
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#include <dma-dir.h>
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#include <asm/dma.h>
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#define DMA_ADDRESS_BROKEN NULL
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#ifndef dma_alloc
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static inline void *dma_alloc(size_t size)
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{
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return xmalloc(size);
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}
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#endif
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#ifndef dma_free
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static inline void dma_free(void *mem)
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{
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free(mem);
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}
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#endif
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/* streaming DMA - implement the below calls to support HAS_DMA */
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void dma_sync_single_for_cpu(unsigned long address, size_t size,
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enum dma_data_direction dir);
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void dma_sync_single_for_device(unsigned long address, size_t size,
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enum dma_data_direction dir);
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void *dma_alloc_coherent(size_t size, dma_addr_t *dma_handle);
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void dma_free_coherent(void *mem, dma_addr_t dma_handle, size_t size);
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#endif /* __DMA_H */
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