1 /* $NetBSD: kb_hbreg.h,v 1.3 2022/10/31 20:30:23 andvar 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 KB_REG_DATA 0 29 #define KB_REG_STAT 1 30 #define KB_REG_INTE 2 31 #define KB_REG_RESET 3 32 #define KB_REG_INIT1 4 33 #define KB_REG_INIT2 5 34 #define KB_REG_BUZZ 6 35 #define KB_REG_BUZZF 7 36 37 #define KB_INTE 0x01 /* interrupt enable */ 38 39 /* status port definitions */ 40 #define KBSTAT_INT 0x08 /* keyboard interrupt flag */ 41 #define KBSTAT_BUF 0x20 /* keyboard buffer full */ 42 #define KBSTAT_RDY 0x80 /* keyboard Rx data ready */ 43