put zs chip register layout here.

diff --git a/sys/arch/sparc/dev/zsvar.h b/sys/arch/sparc/dev/zsvar.h
index fc9b959..3fef4d3 100644 (file)
--- a/sys/arch/sparc/dev/zsvar.h
+++ b/sys/arch/sparc/dev/zsvar.h
@@ -1,4 +1,4 @@
-/*     $NetBSD: zsvar.h,v 1.4 1995/04/11 02:38:21 mycroft Exp $ */
+/*     $NetBSD: zsvar.h,v 1.6 1996/01/24 19:52:57 gwr Exp $ */
 
 /*
  * Copyright (c) 1992, 1993
@@ -44,6 +44,21 @@
  *     @(#)zsvar.h     8.1 (Berkeley) 6/11/93
  */
 
+/*
+ * Register layout is machine-dependent...
+ */
+
+struct zschan {
+       volatile u_char zc_csr;         /* ctrl,status, and indirect access */
+       u_char          zc_xxx0;
+       volatile u_char zc_data;        /* data */
+       u_char          zc_xxx1;
+};
+
+struct zsdevice {
+       struct  zschan zs_chan[2];
+};
+
 /*
  * Software state, per zs channel.
  *