isadmareg.h

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    1 /*      $OpenBSD: isadmareg.h,v 1.5 1998/01/20 18:40:30 niklas Exp $    */
    2 /*      $NetBSD: isadmareg.h,v 1.4 1995/06/28 04:31:48 cgd Exp $        */
    3 
    4 #include <dev/ic/i8237reg.h>
    5 
    6 /*
    7  * Register definitions for DMA controller 1 (channels 0..3):
    8  */
    9 #define DMA1_CHN(c)     (1*(2*(c)))     /* addr reg for channel c */
   10 #define DMA1_SR         (1*8)           /* status register */
   11 #define DMA1_SMSK       (1*10)  /* single mask register */
   12 #define DMA1_MODE       (1*11)  /* mode register */
   13 #define DMA1_FFC        (1*12)  /* clear first/last FF */
   14 
   15 #define DMA1_IOSIZE     (1*12)
   16 
   17 /*
   18  * Register definitions for DMA controller 2 (channels 4..7):
   19  */
   20 #define DMA2_CHN(c)     (2*(2*(c)))     /* addr reg for channel c */
   21 #define DMA2_SR         (2*8)           /* status register */
   22 #define DMA2_SMSK       (2*10)  /* single mask register */
   23 #define DMA2_MODE       (2*11)  /* mode register */
   24 #define DMA2_FFC        (2*12)  /* clear first/last FF */
   25 
   26 #define DMA2_IOSIZE     (2*12)

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FreeBSD/Linux Kernel Cross Reference sys/dev/isa/isadmareg.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/isa/isadmareg.h