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authormarcel <marcel@FreeBSD.org>2006-02-24 02:03:35 +0000
committermarcel <marcel@FreeBSD.org>2006-02-24 02:03:35 +0000
commit2be5755c770635536cb23a9ab04b725574b56a5d (patch)
tree96ff3680658a6f36b718825385fb4629099fc383 /sys
parentd1963b16cd68c3243cd3319e5843008259385bbd (diff)
downloadFreeBSD-src-2be5755c770635536cb23a9ab04b725574b56a5d.zip
FreeBSD-src-2be5755c770635536cb23a9ab04b725574b56a5d.tar.gz
MFp4:
Add CHAN_A & CHAN_B for channel register offsets. While here, fix a comment.
Diffstat (limited to 'sys')
-rw-r--r--sys/dev/ic/z8530.h9
1 files changed, 6 insertions, 3 deletions
diff --git a/sys/dev/ic/z8530.h b/sys/dev/ic/z8530.h
index d86a662..2466d1c 100644
--- a/sys/dev/ic/z8530.h
+++ b/sys/dev/ic/z8530.h
@@ -34,9 +34,12 @@
* Channel B data: 1
* Channel A control: 2
* Channel A data: 3
- *
- * We expect a seperate subregion for each channel.
*/
+
+/* The following apply when using a device-scoped bus handle */
+#define CHAN_A 2
+#define CHAN_B 0
+
#define REG_CTRL 0
#define REG_DATA 1
@@ -69,7 +72,7 @@
#define RR_BCL 6 /* Byte Count Low. */
#define RR_BCH 7 /* Byte Count High. */
#define RR_RB 8 /* Receive Buffer. */
-#define RR_RPC 9 /* Receive Parameters and Contro. */
+#define RR_RPC 9 /* Receive Parameters and Control. */
#define RR_MSB 10 /* Miscellaneous Status Bits. */
#define RR_MCB1 11 /* Miscellaneous Control Bits (part 1). */
#define RR_TCL 12 /* BRG Time Constant Low. */
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