/*      $OpenBSD: isadmareg.h,v 1.5 1998/01/20 18:40:30 niklas Exp $    */
/*      $NetBSD: isadmareg.h,v 1.4 1995/06/28 04:31:48 cgd Exp $        */

#include <dev/ic/i8237reg.h>

/*
 * Register definitions for DMA controller 1 (channels 0..3):
 */
#define DMA1_CHN(c)     (1*(2*(c)))     /* addr reg for channel c */
#define DMA1_SR         (1*8)           /* status register */
#define DMA1_SMSK       (1*10)  /* single mask register */
#define DMA1_MODE       (1*11)  /* mode register */
#define DMA1_FFC        (1*12)  /* clear first/last FF */

#define DMA1_IOSIZE     (1*12)

/*
 * Register definitions for DMA controller 2 (channels 4..7):
 */
#define DMA2_CHN(c)     (2*(2*(c)))     /* addr reg for channel c */
#define DMA2_SR         (2*8)           /* status register */
#define DMA2_SMSK       (2*10)  /* single mask register */
#define DMA2_MODE       (2*11)  /* mode register */
#define DMA2_FFC        (2*12)  /* clear first/last FF */

#define DMA2_IOSIZE     (2*12)