diff options
Diffstat (limited to 'arch/sparc/include/asm/dma-mapping.h')
| -rw-r--r-- | arch/sparc/include/asm/dma-mapping.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/dma-mapping.h b/arch/sparc/include/asm/dma-mapping.h index 0f4150e2661..8c911ea9ee5 100644 --- a/arch/sparc/include/asm/dma-mapping.h +++ b/arch/sparc/include/asm/dma-mapping.h @@ -5,4 +5,46 @@ #else #include <asm/dma-mapping_32.h> #endif + +#define DMA_ERROR_CODE (~(dma_addr_t)0x0) + +extern int dma_supported(struct device *dev, u64 mask); +extern int dma_set_mask(struct device *dev, u64 dma_mask); + +static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) +{ + return (dma_addr == DMA_ERROR_CODE); +} + +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 << INTERNODE_CACHE_SHIFT); +} + +#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, h) (1) + +static inline void dma_sync_single_range_for_cpu(struct device *dev, + dma_addr_t dma_handle, + unsigned long offset, + size_t size, + enum dma_data_direction dir) +{ + dma_sync_single_for_cpu(dev, dma_handle+offset, size, dir); +} + +static inline void dma_sync_single_range_for_device(struct device *dev, + dma_addr_t dma_handle, + unsigned long offset, + size_t size, + enum dma_data_direction dir) +{ + dma_sync_single_for_device(dev, dma_handle+offset, size, dir); +} + #endif |