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authorache <ache@FreeBSD.org>1994-11-01 17:26:50 +0000
committerache <ache@FreeBSD.org>1994-11-01 17:26:50 +0000
commite68980a176a3e8ef0f202ce44858b92d669201dc (patch)
tree2db7d640d999819b6f98e06237c0738b36fd9805 /sys/dev/ic
parent1521a7e83a3ae849baa17ec3532cf9caa95d4ffd (diff)
downloadFreeBSD-src-e68980a176a3e8ef0f202ce44858b92d669201dc.zip
FreeBSD-src-e68980a176a3e8ef0f202ce44858b92d669201dc.tar.gz
DMA automode patch, fix SB16 clicks
Submitted by: tim@cs.city.ac.uk
Diffstat (limited to 'sys/dev/ic')
-rw-r--r--sys/dev/ic/i8237.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/dev/ic/i8237.h b/sys/dev/ic/i8237.h
index 2199e73..722194c 100644
--- a/sys/dev/ic/i8237.h
+++ b/sys/dev/ic/i8237.h
@@ -1,11 +1,12 @@
/*
* Intel 8237 DMA Controller
*
- * $Id$
+ * $Id: i8237.h,v 1.2 1993/10/16 13:48:48 rgrimes Exp $
*/
#define DMA37MD_SINGLE 0x40 /* single pass mode */
#define DMA37MD_CASCADE 0xc0 /* cascade mode */
+#define DMA37MD_AUTO 0x50 /* autoinitialise single pass mode */
#define DMA37MD_WRITE 0x04 /* read the device, write memory operation */
#define DMA37MD_READ 0x08 /* write the device, read memory operation */
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