77 lines
2.6 KiB
C
77 lines
2.6 KiB
C
/* $NetBSD: pckbd_encode.c,v 1.2 2001/11/13 12:47:56 lukem Exp $ */
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/*-
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* Copyright (c) 2000 TAKEMRUA, Shin All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the PocketBSD project
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* and its contributors.
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* 4. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: pckbd_encode.c,v 1.2 2001/11/13 12:47:56 lukem Exp $");
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#include "opt_wsdisplay_compat.h"
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#ifdef WSDISPLAY_COMPAT_RAWKBD
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#include <sys/param.h>
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#include <dev/wscons/wsconsio.h>
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#include <dev/pckbc/pckbdreg.h>
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#include <dev/hpc/pckbd_encode.h>
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/*
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* pckbd_encode() is inverse function of pckbd_decode() in dev/pckbc/pckbd.c.
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*/
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int
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pckbd_encode(u_int type, int datain, u_char *dataout)
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{
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int res;
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u_char updown;
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res = 0;
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updown = (type == WSCONS_EVENT_KEY_UP) ? 0x80 : 0;
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/* 0x7f means BREAK key */
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if (datain == 0x7f) {
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dataout[res++] = KBR_EXTENDED1;
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dataout[res++] = (0x1d | updown);
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datain = 0x45;
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}
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/* extended keys */
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if (datain & 0x80) {
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dataout[res++] = KBR_EXTENDED0;
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datain &= 0x7f;
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}
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dataout[res++] = (datain | updown);
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return (res);
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}
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#endif /* WSDISPLAY_COMPAT_RAWKBD */
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