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 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 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 unsigned long plat_dma_addr_to_phys(dma_addr_t dma_addr
)
27 return vdma_log2phys(dma_addr
);
30 static void plat_unmap_dma_mem(struct device
*dev
, dma_addr_t dma_addr
)
35 static inline int plat_dma_supported(struct device
*dev
, u64 mask
)
38 * we fall back to GFP_DMA when the mask isn't all 1s,
39 * so we can't guarantee allocations that must be
40 * within a tighter range than GFP_DMA..
42 if (mask
< DMA_BIT_MASK(24))
48 static inline void plat_extra_sync_for_device(struct device
*dev
)
53 static inline int plat_dma_mapping_error(struct device
*dev
,
59 static inline int plat_device_is_coherent(struct device
*dev
)
64 #endif /* __ASM_MACH_JAZZ_DMA_COHERENCE_H */