1#ifndef _M68K_DMA_H 2#define _M68K_DMA_H 1 3 4 5/* it's useless on the m68k, but unfortunately needed by the new 6 bootmem allocator (but this should do it for this) */ 7#define MAX_DMA_ADDRESS PAGE_OFFSET 8 9#define MAX_DMA_CHANNELS 8 10 11extern int request_dma(unsigned int dmanr, const char * device_id); /* reserve a DMA channel */ 12extern void free_dma(unsigned int dmanr); /* release it again */ 13 14#ifdef CONFIG_PCI 15extern int isa_dma_bridge_buggy; 16#else 17#define isa_dma_bridge_buggy (0) 18#endif 19 20#endif /* _M68K_DMA_H */ 21