dma.h (18af30e259c25a64ad69bb749c661564bc886275) dma.h (ae3a197e3d0bfe3f4bf1693723e82dc018c096f3)
1#ifndef _ASM_POWERPC_DMA_H
2#define _ASM_POWERPC_DMA_H
3#ifdef __KERNEL__
4
5/*
6 * Defines for using and allocating dma channels.
7 * Written by Hennus Bergman, 1992.
8 * High DMA channel support & info by Hannu Savolainen

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19 *
20 * There may be some comments or restrictions made here which are
21 * not valid for the PReP platform. Take what you read
22 * with a grain of salt.
23 */
24
25#include <asm/io.h>
26#include <linux/spinlock.h>
1#ifndef _ASM_POWERPC_DMA_H
2#define _ASM_POWERPC_DMA_H
3#ifdef __KERNEL__
4
5/*
6 * Defines for using and allocating dma channels.
7 * Written by Hennus Bergman, 1992.
8 * High DMA channel support & info by Hannu Savolainen

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19 *
20 * There may be some comments or restrictions made here which are
21 * not valid for the PReP platform. Take what you read
22 * with a grain of salt.
23 */
24
25#include <asm/io.h>
26#include <linux/spinlock.h>
27#include <asm/system.h>
28
29#ifndef MAX_DMA_CHANNELS
30#define MAX_DMA_CHANNELS 8
31#endif
32
33/* The maximum address that we can perform a DMA transfer to on this platform */
34/* Doesn't really apply... */
35#define MAX_DMA_ADDRESS (~0UL)

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28#ifndef MAX_DMA_CHANNELS
29#define MAX_DMA_CHANNELS 8
30#endif
31
32/* The maximum address that we can perform a DMA transfer to on this platform */
33/* Doesn't really apply... */
34#define MAX_DMA_ADDRESS (~0UL)

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