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/* $OpenBSD: isadmareg.h,v 1.2 1996/11/29 22:55:02 niklas Exp $ */
/* $NetBSD: isadmareg.h,v 1.4 1995/06/28 04:31:48 cgd Exp $ */
#include <dev/ic/i8237reg.h>
/*
* Register definitions for the DMA controllers
*/
#define DMA_CHN(u, c) ((u) * (2 * (c))) /* addr reg for channel c */
#define DMA_SR(u) ((u) * 8) /* status register */
#define DMA_SMSK(u) ((u) * 10) /* single mask register */
#define DMA_MODE(u) ((u) * 11) /* mode register */
#define DMA_FFC(u) ((u) * 12) /* clear first/last FF */
#define DMA_NREGS(u) ((u) * 13) /* XXX true? */
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