126 lines
2.4 KiB
C
126 lines
2.4 KiB
C
#ifndef _ASM_CRIS_DMA_MAPPING_H
|
|
#define _ASM_CRIS_DMA_MAPPING_H
|
|
|
|
#include "scatterlist.h"
|
|
|
|
static inline int
|
|
dma_supported(struct device *dev, u64 mask)
|
|
{
|
|
BUG();
|
|
return 0;
|
|
}
|
|
|
|
static inline int
|
|
dma_set_mask(struct device *dev, u64 dma_mask)
|
|
{
|
|
BUG();
|
|
return 1;
|
|
}
|
|
|
|
static inline void *
|
|
dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
|
|
int flag)
|
|
{
|
|
BUG();
|
|
return NULL;
|
|
}
|
|
|
|
static inline void
|
|
dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
|
|
dma_addr_t dma_handle)
|
|
{
|
|
BUG();
|
|
}
|
|
|
|
static inline dma_addr_t
|
|
dma_map_single(struct device *dev, void *cpu_addr, size_t size,
|
|
enum dma_data_direction direction)
|
|
{
|
|
BUG();
|
|
return 0;
|
|
}
|
|
|
|
static inline void
|
|
dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
|
|
enum dma_data_direction direction)
|
|
{
|
|
BUG();
|
|
}
|
|
|
|
static inline dma_addr_t
|
|
dma_map_page(struct device *dev, struct page *page,
|
|
unsigned long offset, size_t size,
|
|
enum dma_data_direction direction)
|
|
{
|
|
BUG();
|
|
return 0;
|
|
}
|
|
|
|
static inline void
|
|
dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
|
|
enum dma_data_direction direction)
|
|
{
|
|
BUG();
|
|
}
|
|
|
|
static inline int
|
|
dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
|
|
enum dma_data_direction direction)
|
|
{
|
|
BUG();
|
|
return 1;
|
|
}
|
|
|
|
static inline void
|
|
dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
|
|
enum dma_data_direction direction)
|
|
{
|
|
BUG();
|
|
}
|
|
|
|
static inline void
|
|
dma_sync_single(struct device *dev, dma_addr_t dma_handle, size_t size,
|
|
enum dma_data_direction direction)
|
|
{
|
|
BUG();
|
|
}
|
|
|
|
static inline void
|
|
dma_sync_sg(struct device *dev, struct scatterlist *sg, int nelems,
|
|
enum dma_data_direction direction)
|
|
{
|
|
BUG();
|
|
}
|
|
|
|
/* Now for the API extensions over the pci_ one */
|
|
|
|
#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
|
|
#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
|
|
#define dma_is_consistent(d) (1)
|
|
|
|
static inline int
|
|
dma_get_cache_alignment(void)
|
|
{
|
|
/* no easy way to get cache size on all processors, so return
|
|
* the maximum possible, to be safe */
|
|
return (1 << L1_CACHE_SHIFT_MAX);
|
|
}
|
|
|
|
static inline void
|
|
dma_sync_single_range(struct device *dev, dma_addr_t dma_handle,
|
|
unsigned long offset, size_t size,
|
|
enum dma_data_direction direction)
|
|
{
|
|
BUG();
|
|
}
|
|
|
|
static inline void
|
|
dma_cache_sync(void *vaddr, size_t size,
|
|
enum dma_data_direction direction)
|
|
{
|
|
BUG();
|
|
}
|
|
|
|
#endif
|
|
|