#ifndef _ASM_IA64_DMA_MAPPING_H #define _ASM_IA64_DMA_MAPPING_H /* * Copyright (C) 2003-2004 Hewlett-Packard Co * David Mosberger-Tang <davidm@hpl.hp.com> */ #include <linux/config.h> #include <asm/machvec.h> #define dma_alloc_coherent platform_dma_alloc_coherent #define dma_alloc_noncoherent platform_dma_alloc_coherent /* coherent mem. is cheap */ #define dma_free_coherent platform_dma_free_coherent #define dma_free_noncoherent platform_dma_free_coherent #define dma_map_single platform_dma_map_single #define dma_map_sg platform_dma_map_sg #define dma_unmap_single platform_dma_unmap_single #define dma_unmap_sg platform_dma_unmap_sg #define dma_sync_single_for_cpu platform_dma_sync_single_for_cpu #define dma_sync_sg_for_cpu platform_dma_sync_sg_for_cpu #define dma_sync_single_for_device platform_dma_sync_single_for_device #define dma_sync_sg_for_device platform_dma_sync_sg_for_device #define dma_mapping_error platform_dma_mapping_error #define dma_map_page(dev, pg, off, size, dir) \ dma_map_single(dev, page_address(pg) + (off), (size), (dir)) #define dma_unmap_page(dev, dma_addr, size, dir) \ dma_unmap_single(dev, dma_addr, size, dir) /* * Rest of this file is part of the "Advanced DMA API". Use at your own risk. * See Documentation/DMA-API.txt for details. */ #define dma_sync_single_range_for_cpu(dev, dma_handle, offset, size, dir) \ dma_sync_single_for_cpu(dev, dma_handle, size, dir) #define dma_sync_single_range_for_device(dev, dma_handle, offset, size, dir) \ dma_sync_single_for_device(dev, dma_handle, size, dir) #define dma_supported platform_dma_supported static inline int dma_set_mask (struct device *dev, u64 mask) { if (!dev->dma_mask || !dma_supported(dev, mask)) return -EIO; *dev->dma_mask = mask; return 0; } extern int dma_get_cache_alignment(void); static inline void dma_cache_sync (void *vaddr, size_t size, enum dma_data_direction dir) { /* * IA-64 is cache-coherent, so this is mostly a no-op. However, we do need to * ensure that dma_cache_sync() enforces order, hence the mb(). */ mb(); } #define dma_is_consistent(dma_handle) (1) /* all we do is coherent memory... */ #endif /* _ASM_IA64_DMA_MAPPING_H */