65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
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/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2006 Ralf Baechle <ralf@linux-mips.org>
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*
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*
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* Similar to mach-generic/dma-coherence.h except
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* plat_device_is_coherent hard coded to return 1.
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*
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*/
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#ifndef __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H
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#define __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H
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struct device;
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dma_addr_t octeon_map_dma_mem(struct device *, void *, size_t);
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void octeon_unmap_dma_mem(struct device *, dma_addr_t);
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static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr,
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size_t size)
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{
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return octeon_map_dma_mem(dev, addr, size);
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}
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static inline dma_addr_t plat_map_dma_mem_page(struct device *dev,
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struct page *page)
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{
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return octeon_map_dma_mem(dev, page_address(page), PAGE_SIZE);
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}
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static inline unsigned long plat_dma_addr_to_phys(dma_addr_t dma_addr)
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{
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return dma_addr;
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}
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static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr)
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{
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octeon_unmap_dma_mem(dev, dma_addr);
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}
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static inline int plat_dma_supported(struct device *dev, u64 mask)
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{
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return 1;
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}
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static inline void plat_extra_sync_for_device(struct device *dev)
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{
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mb();
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}
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static inline int plat_device_is_coherent(struct device *dev)
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{
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return 1;
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}
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static inline int plat_dma_mapping_error(struct device *dev,
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dma_addr_t dma_addr)
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{
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return dma_addr == -1;
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}
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#endif /* __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H */
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