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diff --git a/src/i810_io.c b/src/i810_io.c
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+/**************************************************************************
+
+Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
+All Rights Reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sub license, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice (including the
+next paragraph) shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/i810/i810_io.c,v 1.5 2002/09/11 00:29:32 dawes Exp $ */
+
+/*
+ * Reformatted with GNU indent (2.2.8), using the following options:
+ *
+ *    -bad -bap -c41 -cd0 -ncdb -ci6 -cli0 -cp0 -ncs -d0 -di3 -i3 -ip3 -l78
+ *    -lp -npcs -psl -sob -ss -br -ce -sc -hnl
+ *
+ * This provides a good match with the original i810 code and preferred
+ * XFree86 formatting conventions.
+ *
+ * When editing this driver, please follow the existing formatting, and edit
+ * with <TAB> characters expanded at 8-column intervals.
+ */
+
+/*
+ * Authors:
+ *   Daryll Strauss <daryll@precisioninsight.com>
+ *
+ */
+
+#include "xf86.h"
+#include "xf86_ansic.h"
+#include "xf86_OSproc.h"
+#include "compiler.h"
+
+#ifdef BUILD_FOR_I830
+#include "i830.h"
+#define pI810 pI830
+#define I810Ptr I830Ptr
+#define I810WriteControlPIO I830WriteControlPIO
+#define I810ReadControlPIO I830ReadControlPIO
+#define I810WriteStandardPIO I830WriteStandardPIO
+#define I810ReadStandardPIO I830ReadStandardPIO
+#define I810SetPIOAccess I830SetPIOAccess
+#define I810WriteControlMMIO I830WriteControlMMIO
+#define I810ReadControlMMIO I830ReadControlMMIO
+#define I810WriteStandardMMIO I830WriteStandardMMIO
+#define I810ReadStandardMMIO I830ReadStandardMMIO
+#define I810SetMMIOAccess I830SetMMIOAccess
+#else
+#include "i810.h"
+#endif
+
+#define minb(p) *(volatile CARD8 *)(pI810->MMIOBase + (p))
+#define moutb(p,v) *(volatile CARD8 *)(pI810->MMIOBase + (p)) = (v)
+
+static void
+I810WriteControlPIO(I810Ptr pI810, IOADDRESS addr, CARD8 index, CARD8 val)
+{
+   addr += pI810->ioBase;
+   outb(addr, index);
+   outb(addr + 1, val);
+}
+
+static CARD8
+I810ReadControlPIO(I810Ptr pI810, IOADDRESS addr, CARD8 index)
+{
+   addr += pI810->ioBase;
+   outb(addr, index);
+   return inb(addr + 1);
+}
+
+static void
+I810WriteStandardPIO(I810Ptr pI810, IOADDRESS addr, CARD8 val)
+{
+   outb(pI810->ioBase + addr, val);
+}
+
+static CARD8
+I810ReadStandardPIO(I810Ptr pI810, IOADDRESS addr)
+{
+   return inb(pI810->ioBase + addr);
+}
+
+void
+I810SetPIOAccess(I810Ptr pI810)
+{
+   pI810->writeControl = I810WriteControlPIO;
+   pI810->readControl = I810ReadControlPIO;
+   pI810->writeStandard = I810WriteStandardPIO;
+   pI810->readStandard = I810ReadStandardPIO;
+}
+
+static void
+I810WriteControlMMIO(I810Ptr pI810, IOADDRESS addr, CARD8 index, CARD8 val)
+{
+   moutb(addr, index);
+   moutb(addr + 1, val);
+}
+
+static CARD8
+I810ReadControlMMIO(I810Ptr pI810, IOADDRESS addr, CARD8 index)
+{
+   moutb(addr, index);
+   return minb(addr + 1);
+}
+
+static void
+I810WriteStandardMMIO(I810Ptr pI810, IOADDRESS addr, CARD8 val)
+{
+   moutb(addr, val);
+}
+
+static CARD8
+I810ReadStandardMMIO(I810Ptr pI810, IOADDRESS addr)
+{
+   return minb(addr);
+}
+
+void
+I810SetMMIOAccess(I810Ptr pI810)
+{
+   pI810->writeControl = I810WriteControlMMIO;
+   pI810->readControl = I810ReadControlMMIO;
+   pI810->writeStandard = I810WriteStandardMMIO;
+   pI810->readStandard = I810ReadStandardMMIO;
+}