dma.h

来自「linux 内核源代码」· C头文件 代码 · 共 19 行

#ifndef __V850_DMA_H__
#define __V850_DMA_H__

/* What should this be?  */
#define MAX_DMA_ADDRESS	0xFFFFFFFF

/* reserve a DMA channel */
extern int request_dma (unsigned int dmanr, const char * device_id);
/* release it again */
extern void free_dma (unsigned int dmanr);

#ifdef CONFIG_PCI
extern int isa_dma_bridge_buggy;
#else
#define isa_dma_bridge_buggy    (0)
#endif

#endif /* __V850_DMA_H__ */