2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
6 * Copyright (C) 2006 Ralf Baechle <ralf@linux-mips.org>
8 #ifndef __ASM_MACH_JAZZ_DMA_COHERENCE_H
9 #define __ASM_MACH_JAZZ_DMA_COHERENCE_H
11 #include <asm/jazzdma.h>
15 static inline dma_addr_t plat_map_dma_mem(struct device *dev, void *addr, size_t size)
17 return vdma_alloc(virt_to_phys(addr), size);
20 static inline dma_addr_t plat_map_dma_mem_page(struct device *dev, struct page *page)
22 return vdma_alloc(page_to_phys(page), PAGE_SIZE);
25 static inline unsigned long plat_dma_addr_to_phys(struct device *dev,
28 return vdma_log2phys(dma_addr);
31 static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr,
32 size_t size, enum dma_data_direction direction)
37 static inline int plat_dma_supported(struct device *dev, u64 mask)
40 * we fall back to GFP_DMA when the mask isn't all 1s,
41 * so we can't guarantee allocations that must be
42 * within a tighter range than GFP_DMA..
44 if (mask < DMA_BIT_MASK(24))
50 static inline void plat_extra_sync_for_device(struct device *dev)
55 static inline int plat_dma_mapping_error(struct device *dev,
61 static inline int plat_device_is_coherent(struct device *dev)
66 #endif /* __ASM_MACH_JAZZ_DMA_COHERENCE_H */