#ifndef ___ASM_SPARC_DMA_MAPPING_H #define ___ASM_SPARC_DMA_MAPPING_H #include <linux/scatterlist.h> #include <linux/mm.h> #include <linux/dma-debug.h> #define DMA_ERROR_CODE (~(dma_addr_t)0x0) #define HAVE_ARCH_DMA_SUPPORTED 1 int dma_supported(struct device *dev, u64 mask); static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size, enum dma_data_direction dir) { /* Since dma_{alloc,free}_noncoherent() allocated coherent memory, this * routine can be a nop. */ } extern struct dma_map_ops *dma_ops; extern struct dma_map_ops *leon_dma_ops; extern struct dma_map_ops pci32_dma_ops; extern struct bus_type pci_bus_type; static inline struct dma_map_ops *get_dma_ops(struct device *dev) { #ifdef [31mCONFIG_SPARC_LEON[0m if (sparc_cpu_model == sparc_leon) return leon_dma_ops; #endif #if defined([31mCONFIG_SPARC32[0m) && defined([31mCONFIG_PCI[0m) if (dev->bus == &pci_bus_type) return &pci32_dma_ops; #endif return dma_ops; } #endif |