diff options
| author | David S. Miller <davem@davemloft.net> | 2008-08-27 21:01:36 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-08-29 05:13:14 -0400 |
| commit | 944c67dff7a88f0a775e5b604937f9e30d2de555 (patch) | |
| tree | 38566c48f3f002c3f1f9d77da3d8b12543bee1c7 /arch/sparc/include/asm/dma-mapping_32.h | |
| parent | 260489fa8a9735c76073ace95f03ffaf10cca884 (diff) | |
sparc32: Implement more generic dma_*() interfaces.
These dispatch to either PCI or SBUS routines based upon
the device bus type.
This will allow us to let SBUS drivers call these routines.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/include/asm/dma-mapping_32.h')
| -rw-r--r-- | arch/sparc/include/asm/dma-mapping_32.h | 59 |
1 files changed, 54 insertions, 5 deletions
diff --git a/arch/sparc/include/asm/dma-mapping_32.h b/arch/sparc/include/asm/dma-mapping_32.h index f3a641e6b2c8..8a57ea0573e6 100644 --- a/arch/sparc/include/asm/dma-mapping_32.h +++ b/arch/sparc/include/asm/dma-mapping_32.h | |||
| @@ -1,11 +1,60 @@ | |||
| 1 | #ifndef _ASM_SPARC_DMA_MAPPING_H | 1 | #ifndef _ASM_SPARC_DMA_MAPPING_H |
| 2 | #define _ASM_SPARC_DMA_MAPPING_H | 2 | #define _ASM_SPARC_DMA_MAPPING_H |
| 3 | 3 | ||
| 4 | #include <linux/types.h> | ||
| 4 | 5 | ||
| 5 | #ifdef CONFIG_PCI | 6 | struct device; |
| 6 | #include <asm-generic/dma-mapping.h> | 7 | struct scatterlist; |
| 7 | #else | 8 | struct page; |
| 8 | #include <asm-generic/dma-mapping-broken.h> | 9 | |
| 9 | #endif /* PCI */ | 10 | #define DMA_ERROR_CODE (~(dma_addr_t)0x0) |
| 11 | |||
| 12 | extern int dma_supported(struct device *dev, u64 mask); | ||
| 13 | extern int dma_set_mask(struct device *dev, u64 dma_mask); | ||
| 14 | extern void *dma_alloc_coherent(struct device *dev, size_t size, | ||
| 15 | dma_addr_t *dma_handle, gfp_t flag); | ||
| 16 | extern void dma_free_coherent(struct device *dev, size_t size, | ||
| 17 | void *cpu_addr, dma_addr_t dma_handle); | ||
| 18 | extern dma_addr_t dma_map_single(struct device *dev, void *cpu_addr, | ||
| 19 | size_t size, | ||
| 20 | enum dma_data_direction direction); | ||
| 21 | extern void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, | ||
| 22 | size_t size, | ||
| 23 | enum dma_data_direction direction); | ||
| 24 | extern dma_addr_t dma_map_page(struct device *dev, struct page *page, | ||
| 25 | unsigned long offset, size_t size, | ||
| 26 | enum dma_data_direction direction); | ||
| 27 | extern void dma_unmap_page(struct device *dev, dma_addr_t dma_address, | ||
| 28 | size_t size, enum dma_data_direction direction); | ||
| 29 | extern int dma_map_sg(struct device *dev, struct scatterlist *sg, | ||
| 30 | int nents, enum dma_data_direction direction); | ||
| 31 | extern void dma_unmap_sg(struct device *dev, struct scatterlist *sg, | ||
| 32 | int nents, enum dma_data_direction direction); | ||
| 33 | extern void dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, | ||
| 34 | size_t size, | ||
| 35 | enum dma_data_direction direction); | ||
| 36 | extern void dma_sync_single_for_device(struct device *dev, | ||
| 37 | dma_addr_t dma_handle, | ||
| 38 | size_t size, | ||
| 39 | enum dma_data_direction direction); | ||
| 40 | extern void dma_sync_single_range_for_cpu(struct device *dev, | ||
| 41 | dma_addr_t dma_handle, | ||
| 42 | unsigned long offset, | ||
| 43 | size_t size, | ||
| 44 | enum dma_data_direction direction); | ||
| 45 | extern void dma_sync_single_range_for_device(struct device *dev, | ||
| 46 | dma_addr_t dma_handle, | ||
| 47 | unsigned long offset, size_t size, | ||
| 48 | enum dma_data_direction direction); | ||
| 49 | extern void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, | ||
| 50 | int nelems, enum dma_data_direction direction); | ||
| 51 | extern void dma_sync_sg_for_device(struct device *dev, | ||
| 52 | struct scatterlist *sg, int nelems, | ||
| 53 | enum dma_data_direction direction); | ||
| 54 | extern int dma_mapping_error(struct device *dev, dma_addr_t dma_addr); | ||
| 55 | extern int dma_get_cache_alignment(void); | ||
| 56 | |||
| 57 | #define dma_alloc_noncoherent dma_alloc_coherent | ||
| 58 | #define dma_free_noncoherent dma_free_coherent | ||
| 10 | 59 | ||
| 11 | #endif /* _ASM_SPARC_DMA_MAPPING_H */ | 60 | #endif /* _ASM_SPARC_DMA_MAPPING_H */ |