1 1.2 soda /* $NetBSD: isadmareg.h,v 1.2 2000/01/23 21:01:59 soda Exp $ */ 2 1.2 soda /* NetBSD: isadmareg.h,v 1.4 1995/06/28 04:31:48 cgd Exp */ 3 1.1 soda 4 1.1 soda #include <dev/ic/i8237reg.h> 5 1.1 soda 6 1.1 soda #define DMA_NREG 16 7 1.1 soda /* 8 1.1 soda * Register definitions for DMA controller 1 (channels 0..3): 9 1.1 soda */ 10 1.1 soda #define DMA1_CHN(c) (1*(2*(c))) /* addr reg for channel c */ 11 1.1 soda #define DMA1_SR (1*8) /* status register */ 12 1.1 soda #define DMA1_SMSK (1*10) /* single mask register */ 13 1.1 soda #define DMA1_MODE (1*11) /* mode register */ 14 1.1 soda #define DMA1_FFC (1*12) /* clear first/last FF */ 15 1.1 soda 16 1.1 soda /* 17 1.1 soda * Register definitions for DMA controller 2 (channels 4..7): 18 1.1 soda */ 19 1.1 soda #define DMA2_CHN(c) (2*(2*(c))) /* addr reg for channel c */ 20 1.1 soda #define DMA2_SR (2*8) /* status register */ 21 1.1 soda #define DMA2_SMSK (2*10) /* single mask register */ 22 1.1 soda #define DMA2_MODE (2*11) /* mode register */ 23 1.1 soda #define DMA2_FFC (2*12) /* clear first/last FF */ 24