mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-27 03:47:43 +00:00
42 lines
934 B
C
42 lines
934 B
C
|
#ifndef __ASM_SH64_DMA_H
|
||
|
|
#define __ASM_SH64_DMA_H
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
||
|
|
* License. See the file "COPYING" in the main directory of this archive
|
||
|
|
* for more details.
|
||
|
|
*
|
||
|
|
* include/asm-sh64/dma.h
|
||
|
|
*
|
||
|
|
* Copyright (C) 2000, 2001 Paolo Alberelli
|
||
|
|
* Copyright (C) 2003 Paul Mundt
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/mm.h>
|
||
|
|
#include <asm/io.h>
|
||
|
|
#include <asm/pgtable.h>
|
||
|
|
|
||
|
|
#define MAX_DMA_CHANNELS 4
|
||
|
|
|
||
|
|
/*
|
||
|
|
* SH5 can DMA in any memory area.
|
||
|
|
*
|
||
|
|
* The static definition is dodgy because it should limit
|
||
|
|
* the highest DMA-able address based on the actual
|
||
|
|
* Physical memory available. This is actually performed
|
||
|
|
* at run time in defining the memory allowed to DMA_ZONE.
|
||
|
|
*/
|
||
|
|
#define MAX_DMA_ADDRESS ~(NPHYS_MASK)
|
||
|
|
|
||
|
|
#define DMA_MODE_READ 0
|
||
|
|
#define DMA_MODE_WRITE 1
|
||
|
|
|
||
|
|
#ifdef CONFIG_PCI
|
||
|
|
extern int isa_dma_bridge_buggy;
|
||
|
|
#else
|
||
|
|
#define isa_dma_bridge_buggy (0)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* __ASM_SH64_DMA_H */
|