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-rw-r--r--drivers/char/rio/riscos.h63
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diff --git a/drivers/char/rio/riscos.h b/drivers/char/rio/riscos.h
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+++ b/drivers/char/rio/riscos.h
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+/*
+** -----------------------------------------------------------------------------
+**
+** Perle Specialix driver for Linux
+** Ported from existing RIO Driver for SCO sources.
+ *
+ * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+**
+** Module : riscos.h
+** SID : 1.2
+** Last Modified : 11/6/98 11:34:19
+** Retrieved : 11/6/98 11:34:22
+**
+** ident @(#)riscos.h 1.2
+**
+** -----------------------------------------------------------------------------
+*/
+
+#ifndef __rio_riscos_h__
+#define __rio_riscos_h__
+
+#ifdef SCCS_LABELS
+static char *_riscos_h_sccs_ = "@(#)riscos.h 1.2";
+#endif
+
+/*
+** This module used to define all those little itsy bits required for RISC/OS
+** now it's full of null macros.
+*/
+
+/*
+** RBYTE reads a byte from a location.
+** RWORD reads a word from a location.
+** WBYTE writes a byte to a location.
+** WWORD writes a word to a location.
+** RINDW reads a word through a pointer.
+** WINDW writes a word through a pointer.
+** RIOSWAB swaps the two bytes of a word, if needed.
+*/
+
+#define RIOSWAB(N) (N)
+#define WBYTE(A,V) (A)=(uchar)(V)
+#define WWORD(A,V) (A)=(ushort)(V)
+#define RBYTE(A) (uchar)(A)
+#define RWORD(A) (ushort)(A)
+#define RINDW(A) (*(ushort *)(A))
+#define WINDW(A,V) (*(ushort *)(A)=(ushort)(V))
+
+#endif /* __rio_riscos_h__ */