1 files changed, 63 insertions, 0 deletions
diff --git a/drivers/char/rio/riotime.h b/drivers/char/rio/riotime.h
new file mode 100644
index 000000000000..66d52bc0549b
--- /dev/null
+++ b/drivers/char/rio/riotime.h
@@ -0,0 +1,63 @@
+/****************************************************************************
+ *******                                                              *******
+ *******            T I M E
+ *******                                                              *******
+ ****************************************************************************
+
+ Author  : Jeremy Rolls
+ Date    :
+
+ *
+ *  (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.
+
+ Version : 0.01
+
+
+                            Mods
+ ----------------------------------------------------------------------------
+  Date     By                Description
+ ----------------------------------------------------------------------------
+
+ ***************************************************************************/
+
+#ifndef _riotime_h
+#define _riotime_h 1
+
+#ifndef lint
+#ifdef SCCS
+static char *_rio_riotime_h_sccs = "@(#)riotime.h	1.1" ;
+#endif
+#endif
+
+#define TWO_POWER_FIFTEEN (ushort)32768
+#define RioTime()    riotime
+#define RioTimeAfter(time1,time2) ((ushort)time1 - (ushort)time2) < TWO_POWER_FIFTEEN
+#define RioTimePlus(time1,time2) ((ushort)time1 + (ushort)time2)
+
+/**************************************
+ * Convert a RIO tick (1/10th second)
+ * into transputer low priority ticks
+ *************************************/ 
+#define RioTimeToLow(time) (time*(100000 / 64))
+#define RioLowToTime(time) ((time*64)/100000)
+
+#define RIOTENTHSECOND (ushort)1
+#define RIOSECOND (ushort)(RIOTENTHSECOND * 10)
+#endif
+
+/*********** end of file ***********/