X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-cris%2Fdma-mapping.h;h=0d770f60127a16ea8992038afd5e76128920dbb7;hb=9213980e6a70d8473e0ffd4b39ab5b6caaba9ff5;hp=e7e16901f686be2157f108abaffb00ec8aade02b;hpb=c449269f45c2cdf53af08c8d0af37472f66539d9;p=linux-2.6.git diff --git a/include/asm-cris/dma-mapping.h b/include/asm-cris/dma-mapping.h index e7e16901f..0d770f601 100644 --- a/include/asm-cris/dma-mapping.h +++ b/include/asm-cris/dma-mapping.h @@ -1 +1,125 @@ -#include +#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 +