1#ifndef _M68K_DMA_H 2#define _M68K_DMA_H 1 3 4#include <linux/config.h> 5 6/* it's useless on the m68k, but unfortunately needed by the new 7 bootmem allocator (but this should do it for this) */ 8#define MAX_DMA_ADDRESS PAGE_OFFSET 9 10#define MAX_DMA_CHANNELS 8 11 12extern int request_dma(unsigned int dmanr, const char * device_id); /* reserve a DMA channel */ 13extern void free_dma(unsigned int dmanr); /* release it again */ 14 15#ifdef CONFIG_PCI 16extern int isa_dma_bridge_buggy; 17#else 18#define isa_dma_bridge_buggy (0) 19#endif 20 21#endif /* _M68K_DMA_H */ 22