| #ifndef _ASM_DMA_MAPPING_H | |
| #define _ASM_DMA_MAPPING_H | |
| #include <linux/scatterlist.h> | |
| #include <asm/dma-coherence.h> | |
| #include <asm/cache.h> | |
| #ifndef CONFIG_SGI_IP27 /* Kludge to fix 2.6.39 build for IP27 */ | |
| #include <dma-coherence.h> | |
| #endif | |
| extern struct dma_map_ops *mips_dma_map_ops; | |
| static inline struct dma_map_ops *get_dma_ops(struct device *dev) | |
| { | |
| if (dev && dev->archdata.dma_ops) | |
| return dev->archdata.dma_ops; | |
| else | |
| return mips_dma_map_ops; | |
| } | |
| static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size) | |
| { | |
| if (!dev->dma_mask) | |
| return false; | |
| return addr + size <= *dev->dma_mask; | |
| } | |
| static inline void dma_mark_clean(void *addr, size_t size) {} | |
| extern void dma_cache_sync(struct device *dev, void *vaddr, size_t size, | |
| enum dma_data_direction direction); | |
| #define arch_setup_dma_ops arch_setup_dma_ops | |
| static inline void arch_setup_dma_ops(struct device *dev, u64 dma_base, | |
| u64 size, const struct iommu_ops *iommu, | |
| bool coherent) | |
| { | |
| #ifdef CONFIG_DMA_PERDEV_COHERENT | |
| dev->archdata.dma_coherent = coherent; | |
| #endif | |
| } | |
| #endif /* _ASM_DMA_MAPPING_H */ |