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