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-rw-r--r--sys/dev/ic/ad1848reg.h8
-rw-r--r--sys/dev/ic/cs4231reg.h4
2 files changed, 10 insertions, 2 deletions
diff --git a/sys/dev/ic/ad1848reg.h b/sys/dev/ic/ad1848reg.h
index 7c7c927ce0e..155d033d45d 100644
--- a/sys/dev/ic/ad1848reg.h
+++ b/sys/dev/ic/ad1848reg.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: ad1848reg.h,v 1.5 1998/04/26 21:03:12 provos Exp $ */
+/* $OpenBSD: ad1848reg.h,v 1.6 1999/03/08 22:54:33 jason Exp $ */
/* $NetBSD: ad1848reg.h,v 1.4 1997/05/07 20:23:53 augustss Exp $ */
/*
@@ -39,6 +39,12 @@
* Copyright (c) 1993 Analog Devices Inc. All rights reserved
*/
+/*
+ * Further documentation can be found at:
+ * http://www.cirrus.com/products/overviews/cs4231.html
+ * (the CS4231A is an augmented ad1848, additional registers, etc).
+ */
+
/* parent driver is primarily responsible for checking this */
#define AD1848_BASE_VALID(base) (((base) & 0x003) == 0)
diff --git a/sys/dev/ic/cs4231reg.h b/sys/dev/ic/cs4231reg.h
index 447d350ccde..490e6536760 100644
--- a/sys/dev/ic/cs4231reg.h
+++ b/sys/dev/ic/cs4231reg.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: cs4231reg.h,v 1.3 1996/10/31 01:01:27 niklas Exp $ */
+/* $OpenBSD: cs4231reg.h,v 1.4 1999/03/08 22:54:33 jason Exp $ */
/* $NetBSD: cs4231reg.h,v 1.4 1996/02/16 08:12:33 mycroft Exp $ */
/*-
@@ -75,6 +75,8 @@
* v v
* Pc BUS (DISK) ???
*
+ * Documentation for this chip can be found at:
+ * http://www.cirrus.com/products/overviews/cs4231.html
*/
/* CS4231/AD1845 mode2 registers; added to AD1848 registers */