dma.h

来自「linux 内核源代码」· C头文件 代码 · 共 16 行

#ifndef _H8300_DMA_H
#define _H8300_DMA_H 
 

/*
 * Set number of channels of DMA on ColdFire for different implementations.
 */
#define MAX_DMA_CHANNELS 0
#define MAX_DMA_ADDRESS PAGE_OFFSET

/* These are in kernel/dma.c: */
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 */
 
#endif /* _H8300_DMA_H */