3c76d02aeb
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
45 lines
942 B
C
45 lines
942 B
C
/*
|
|
* 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);
|
|
void *dma_alloc_writecombine(size_t size, dma_addr_t *dma_handle);
|
|
|
|
#endif /* __DMA_H */
|