1 files changed, 22 insertions, 0 deletions

diff --git a/sys/dev/ic/i8237.h b/sys/dev/ic/i8237.h
index 2bc8a08317c6..bdda9fa2bf22 100644
--- a/sys/dev/ic/i8237.h
+++ b/sys/dev/ic/i8237.h
@@ -10,3 +10,25 @@
 #define	DMA37MD_WRITE	0x04	/* read the device, write memory operation */
 #define	DMA37MD_READ	0x08	/* write the device, read memory operation */
 
+#ifndef PC98
+/*
+**  Register definitions for DMA controller 1 (channels 0..3):
+*/
+#define	DMA1_CHN(c)	(IO_DMA1 + 1*(2*(c)))	/* addr reg for channel c */
+#define	DMA1_STATUS	(IO_DMA1 + 1*8)		/* status register */
+#define	DMA1_SMSK	(IO_DMA1 + 1*10)	/* single mask register */
+#define	DMA1_MODE	(IO_DMA1 + 1*11)	/* mode register */
+#define	DMA1_FFC	(IO_DMA1 + 1*12)	/* clear first/last FF */
+#define	DMA1_RESET	(IO_DMA1 + 1*13)	/* reset */
+
+/*
+**  Register definitions for DMA controller 2 (channels 4..7):
+*/
+#define	DMA2_CHN(c)	(IO_DMA2 + 2*(2*(c)))	/* addr reg for channel c */
+#define	DMA2_STATUS	(IO_DMA2 + 2*8)		/* status register */
+#define	DMA2_SMSK	(IO_DMA2 + 2*10)	/* single mask register */
+#define	DMA2_MODE	(IO_DMA2 + 2*11)	/* mode register */
+#define	DMA2_FFC	(IO_DMA2 + 2*12)	/* clear first/last FF */
+#define	DMA2_RESET	(IO_DMA2 + 2*13)	/* reset */
+#endif
+