sys/arch/macppc/dev/obiovar.h

   1 /*-
   2  * Copyright (c) 2006 Michael Lorenz
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  15  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  16  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  18  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  19  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  20  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  21  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  22  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  23  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  24  * POSSIBILITY OF SUCH DAMAGE.
  25  */
  26
  27 #include <sys/cdefs.h>
  28 __KERNEL_RCSID(0, "$NetBSD: obiovar.h,v 1.1 2008/09/26 03:19:05 macallan Exp $");
  29
  30 #ifndef OBIOVAR_H
  31 #define OBIOVAR_H
  32
  33 /*
  34  * access obio registers
  35  * Since only some PowerBooks have more than one obio and in these cases we
  36  * need to special-case it anyway we can safely assume that whoever wants to
  37  * mess with obio registers means obio0
  38  */
  39
  40 void obio_write_4(int, uint32_t);
  41 void obio_write_1(int, uint8_t);
  42 uint32_t obio_read_4(int);
  43 uint8_t obio_read_1(int);
  44
  45 /* some common offsets */
  46 #define HEATHROW_FCR    0x38
  47 #define KEYLARGO_FCR1   0x3c
  48
  49 #endif /* OBIOVAR_H */