| #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 */ |
