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isadmareg.h revision 1.4.12.1
      1  1.4.12.1  thorpej /*	$NetBSD: isadmareg.h,v 1.4.12.1 1997/05/13 03:14:22 thorpej Exp $	*/
      2       1.2      cgd 
      3       1.4      cgd #include <dev/ic/i8237reg.h>
      4       1.1  mycroft 
      5       1.1  mycroft /*
      6       1.1  mycroft  * Register definitions for DMA controller 1 (channels 0..3):
      7       1.1  mycroft  */
      8  1.4.12.1  thorpej #define	DMA1_CHN(c)	(1*(2*(c)))		/* addr reg for channel c */
      9  1.4.12.1  thorpej #define	DMA1_SR		(1*8)			/* status register */
     10  1.4.12.1  thorpej #define	DMA1_SMSK	(1*10)			/* single mask register */
     11  1.4.12.1  thorpej #define	DMA1_MODE	(1*11)			/* mode register */
     12  1.4.12.1  thorpej #define	DMA1_FFC	(1*12)			/* clear first/last FF */
     13  1.4.12.1  thorpej 
     14  1.4.12.1  thorpej #define	DMA1_IOSIZE	(1*12)
     15       1.1  mycroft 
     16       1.1  mycroft /*
     17       1.1  mycroft  * Register definitions for DMA controller 2 (channels 4..7):
     18       1.1  mycroft  */
     19  1.4.12.1  thorpej #define	DMA2_CHN(c)	(2*(2*(c)))		/* addr reg for channel c */
     20  1.4.12.1  thorpej #define	DMA2_SR		(2*8)			/* status register */
     21  1.4.12.1  thorpej #define	DMA2_SMSK	(2*10)			/* single mask register */
     22  1.4.12.1  thorpej #define	DMA2_MODE	(2*11)			/* mode register */
     23  1.4.12.1  thorpej #define	DMA2_FFC	(2*12)			/* clear first/last FF */
     24  1.4.12.1  thorpej 
     25  1.4.12.1  thorpej #define	DMA2_IOSIZE	(2*12)
     26