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/* $OpenBSD: gsckbcreg.h,v 1.1 2003/01/31 22:50:19 miod Exp $ */
/*
* Copyright (c) 2003, Miodrag Vallat.
* 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 MIND,
* 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 definitions for the GSC PS/2 compatible keyboard/mouse ports.
*
* These definitions attempt to match <dev/ic/i8042reg.h> names although the
* actual wiring is different.
*/
#define KBSTATP 12 /* controller status port (I) */
#define KBS_DIB 0x01 /* data in buffer */
#define KBS_OCMD 0x02 /* output buffer has command */
#define KBS_PERR 0x04 /* parity error */
#define KBS_TERR 0x08 /* transmission error */
#define KBCMDP 8 /* controller port (O) */
#define KBCP_ENABLE 0x01 /* enable device */
#define KBCP_DIAG 0x20 /* diagnostic mode control */
#define KBDATAP 4 /* data port (I) */
#define KBOUTP 4 /* data port (O) */
#define KBIDP 0 /* id port (I) */
#define ID_KBD 0 /* slot is a keyboard port */
#define ID_MOUSE 1 /* slot is a mouse port */
#define KBRESETP 0 /* reset port (O) */
#define KBMAPSIZE 16 /* size to bus_space_map() */
/*
* Various command definitions not provided by the existing pckbc code.
*/
#define KBC_ID 0xF2 /* get device identifier */
#define KBR_MOUSE_ID 0x00 /* mouse type */
#define KBR_KBD_ID1 0xAB /* keyboard type */
#define KBR_KBD_ID2 0x83
#define KB_MAX_RETRANS 5 /* maximum number of command retrans attempts */
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