#ifndef _M68K_DMA_H | |
#define _M68K_DMA_H 1 | |
#include <linux/config.h> | |
/* it's useless on the m68k, but unfortunately needed by the new | |
bootmem allocator (but this should do it for this) */ | |
#define MAX_DMA_ADDRESS PAGE_OFFSET | |
#define MAX_DMA_CHANNELS 8 | |
extern int request_dma(unsigned int dmanr, const char * device_id); /* reserve a DMA channel */ | |
extern void free_dma(unsigned int dmanr); /* release it again */ | |
#ifdef CONFIG_PCI | |
extern int isa_dma_bridge_buggy; | |
#else | |
#define isa_dma_bridge_buggy (0) | |
#endif | |
#endif /* _M68K_DMA_H */ |