sys/dev/keylock.h

   1 /* $NetBSD: keylock.h,v 1.1 2009/08/14 21:17:22 mbalmer Exp $ */
   2
   3 /*
   4  * Copyright (c) 2009 Marc Balmer <marc@msys.ch>
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 #ifndef _SYS_KEYLOCK_H
  29 #define _SYS_KEYLOCK_H
  30
  31 #define KEYLOCK_ABSENT          0
  32 #define KEYLOCK_TAMPER          1
  33 #define KEYLOCK_OPEN            2
  34 #define KEYLOCK_SEMIOPEN        3
  35 #define KEYLOCK_SEMICLOSE       4
  36 #define KEYLOCK_CLOSE           5
  37
  38 #ifdef _KERNEL
  39 /* Functions for keylock drivers */
  40 extern int keylock_register(void *, int, int (*)(void *));
  41 extern void keylock_unregister(void *, int (*)(void *));
  42
  43 /* Functions to query the keylock state */
  44 extern int keylock_state(void);
  45 extern int keylock_position(void);
  46 extern int keylock_num_positions(void);
  47 #endif
  48
  49 #endif /* _SYS_KEYLOCK_H */