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