[deliverable/linux.git] / include / asm-generic / dma.h

#ifndef __ASM_GENERIC_DMA_H
#define __ASM_GENERIC_DMA_H
/*
 * This file traditionally describes the i8237 PC style DMA controller.
 * Most architectures don't have these any more and can get the minimal
 * implementation from kernel/dma.c by not defining MAX_DMA_CHANNELS.
 *
 * Some code relies on seeing MAX_DMA_ADDRESS though.
 */
#define MAX_DMA_ADDRESS PAGE_OFFSET

extern int request_dma(unsigned int dmanr, const char *device_id);
extern void free_dma(unsigned int dmanr);

#endif /* __ASM_GENERIC_DMA_H */
Commit	Line	Data
ae49e807 AB	1	#ifndef __ASM_GENERIC_DMA_H
	2	#define __ASM_GENERIC_DMA_H
	3	/*
	4	* This file traditionally describes the i8237 PC style DMA controller.
	5	* Most architectures don't have these any more and can get the minimal
	6	* implementation from kernel/dma.c by not defining MAX_DMA_CHANNELS.
	7	*
	8	* Some code relies on seeing MAX_DMA_ADDRESS though.
	9	*/
	10	#define MAX_DMA_ADDRESS PAGE_OFFSET
	11
	12	extern int request_dma(unsigned int dmanr, const char *device_id);
	13	extern void free_dma(unsigned int dmanr);
	14
	15	#endif /* __ASM_GENERIC_DMA_H */