#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 */