forked from Minki/linux
16 lines
514 B
C
16 lines
514 B
C
|
#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 */
|