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kbcreg.h revision 1.2
      1 /*	$NetBSD: kbcreg.h,v 1.2 2008/05/14 13:29:28 tsutsui Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2001 Izumi Tsutsui.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     25  */
     26 
     27 /* register port offsets */
     28 #define KBC_KBREG_DATA		0
     29 #define KBC_KBREG_STAT		1
     30 #define KBC_KBREG_INTE		2
     31 #define KBC_KBREG_RESET		3
     32 #define KBC_KBREG_BUZZ		4
     33 
     34 #define KBC_MSREG_DATA		5
     35 #define KBC_MSREG_STAT		KBC_KBREG_STAT
     36 #define KBC_MSREG_INTE		6
     37 #define KBC_MSREG_RESET		7
     38 
     39 #define KBC_INTE		0x01	/* interrupt enable */
     40 
     41 /* status port definitions */
     42 #define KBCSTAT_MSINT		0x04	/* mouse interrupt flag */
     43 #define KBCSTAT_KBINT		0x08	/* keyboard interrut flag */
     44 #define KBCSTAT_MSBUF		0x10	/* mouse buffer full */
     45 #define KBCSTAT_KBBUF		0x20	/* keyboard buffer full */
     46 #define KBCSTAT_MSRDY		0x40	/* mouse Rx data ready */
     47 #define KBCSTAT_KBRDY		0x80	/* keyboard Rx data ready */
     48