/*      $NetBSD: kb_hbreg.h,v 1.3 2022/10/31 20:30:23 andvar Exp $      */

/*-
* Copyright (c) 2001 Izumi Tsutsui.  All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

/* register port offsets */
#define KB_REG_DATA             0
#define KB_REG_STAT             1
#define KB_REG_INTE             2
#define KB_REG_RESET            3
#define KB_REG_INIT1            4
#define KB_REG_INIT2            5
#define KB_REG_BUZZ             6
#define KB_REG_BUZZF            7

#define KB_INTE                 0x01    /* interrupt enable */

/* status port definitions */
#define KBSTAT_INT              0x08    /* keyboard interrupt flag */
#define KBSTAT_BUF              0x20    /* keyboard buffer full */
#define KBSTAT_RDY              0x80    /* keyboard Rx data ready */