1 #ifndef ___ASM_SPARC_DMA_MAPPING_H
2 #define ___ASM_SPARC_DMA_MAPPING_H
4 #include <linux/scatterlist.h>
6 #include <linux/dma-debug.h>
8 #define DMA_ERROR_CODE (~(dma_addr_t)0x0)
10 #define HAVE_ARCH_DMA_SUPPORTED 1
11 int dma_supported(struct device
*dev
, u64 mask
);
13 static inline void dma_cache_sync(struct device
*dev
, void *vaddr
, size_t size
,
14 enum dma_data_direction dir
)
16 /* Since dma_{alloc,free}_noncoherent() allocated coherent memory, this
17 * routine can be a nop.
21 extern struct dma_map_ops
*dma_ops
;
22 extern struct dma_map_ops
*leon_dma_ops
;
23 extern struct dma_map_ops pci32_dma_ops
;
25 extern struct bus_type pci_bus_type
;
27 static inline struct dma_map_ops
*get_dma_ops(struct device
*dev
)
29 #ifdef CONFIG_SPARC_LEON
30 if (sparc_cpu_model
== sparc_leon
)
33 #if defined(CONFIG_SPARC32) && defined(CONFIG_PCI)
34 if (dev
->bus
== &pci_bus_type
)
35 return &pci32_dma_ops
;