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isadmareg.h revision 1.2.6.2 
      1  1.2.6.2  bouyer /*	$NetBSD: isadmareg.h,v 1.2.6.2 2000/11/20 20:00:39 bouyer Exp $	*/
      2  1.2.6.2  bouyer /*	NetBSD: isadmareg.h,v 1.4 1995/06/28 04:31:48 cgd Exp 	*/
      3  1.2.6.2  bouyer 
      4  1.2.6.2  bouyer #include <dev/ic/i8237reg.h>
      5  1.2.6.2  bouyer 
      6  1.2.6.2  bouyer #define	DMA_NREG	16
      7  1.2.6.2  bouyer /*
      8  1.2.6.2  bouyer  * Register definitions for DMA controller 1 (channels 0..3):
      9  1.2.6.2  bouyer  */
     10  1.2.6.2  bouyer #define	DMA1_CHN(c)	(1*(2*(c)))	/* addr reg for channel c */
     11  1.2.6.2  bouyer #define	DMA1_SR		(1*8)		/* status register */
     12  1.2.6.2  bouyer #define	DMA1_SMSK	(1*10)		/* single mask register */
     13  1.2.6.2  bouyer #define	DMA1_MODE	(1*11)		/* mode register */
     14  1.2.6.2  bouyer #define	DMA1_FFC	(1*12)		/* clear first/last FF */
     15  1.2.6.2  bouyer 
     16  1.2.6.2  bouyer /*
     17  1.2.6.2  bouyer  * Register definitions for DMA controller 2 (channels 4..7):
     18  1.2.6.2  bouyer  */
     19  1.2.6.2  bouyer #define	DMA2_CHN(c)	(2*(2*(c)))	/* addr reg for channel c */
     20  1.2.6.2  bouyer #define	DMA2_SR		(2*8)		/* status register */
     21  1.2.6.2  bouyer #define	DMA2_SMSK	(2*10)		/* single mask register */
     22  1.2.6.2  bouyer #define	DMA2_MODE	(2*11)		/* mode register */
     23  1.2.6.2  bouyer #define	DMA2_FFC	(2*12)		/* clear first/last FF */
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