mirror of https://gitee.com/openkylin/linux.git
21 lines
519 B
C
21 lines
519 B
C
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#ifndef _M68K_DMA_H
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#define _M68K_DMA_H 1
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/* it's useless on the m68k, but unfortunately needed by the new
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bootmem allocator (but this should do it for this) */
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#define MAX_DMA_ADDRESS PAGE_OFFSET
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#define MAX_DMA_CHANNELS 8
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extern int request_dma(unsigned int dmanr, const char * device_id); /* reserve a DMA channel */
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extern void free_dma(unsigned int dmanr); /* release it again */
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#ifdef CONFIG_PCI
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extern int isa_dma_bridge_buggy;
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#else
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#define isa_dma_bridge_buggy (0)
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#endif
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#endif /* _M68K_DMA_H */
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