dma.h
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:1k
- #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 */