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isadmareg.h revision 1.4 
      1 /*	$NetBSD: isadmareg.h,v 1.4 1995/06/28 04:31:48 cgd Exp $	*/
      2 
      3 #include <dev/ic/i8237reg.h>
      4 
      5 /*
      6  * Register definitions for DMA controller 1 (channels 0..3):
      7  */
      8 #define	DMA1_CHN(c)	(IO_DMA1 + 1*(2*(c)))	/* addr reg for channel c */
      9 #define	DMA1_SR		(IO_DMA1 + 1*8)		/* status register */
     10 #define	DMA1_SMSK	(IO_DMA1 + 1*10)	/* single mask register */
     11 #define	DMA1_MODE	(IO_DMA1 + 1*11)	/* mode register */
     12 #define	DMA1_FFC	(IO_DMA1 + 1*12)	/* clear first/last FF */
     13 
     14 /*
     15  * Register definitions for DMA controller 2 (channels 4..7):
     16  */
     17 #define	DMA2_CHN(c)	(IO_DMA2 + 2*(2*(c)))	/* addr reg for channel c */
     18 #define	DMA2_SR		(IO_DMA2 + 2*8)		/* status register */
     19 #define	DMA2_SMSK	(IO_DMA2 + 2*10)	/* single mask register */
     20 #define	DMA2_MODE	(IO_DMA2 + 2*11)	/* mode register */
     21 #define	DMA2_FFC	(IO_DMA2 + 2*12)	/* clear first/last FF */
     22