86 lines
2.9 KiB
C
86 lines
2.9 KiB
C
/* $NetBSD: sysbeep_isa.c,v 1.1 1998/10/05 00:41:31 mark Exp $ */
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Mark Brinicombe of Causality Limited.
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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 NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <dev/isa/isavar.h>
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#include <dev/isa/pcppivar.h>
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/* Prototypes */
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int sysbeep_isa_match __P((struct device *parent, struct cfdata *cf, void *aux));
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void sysbeep_isa_attach __P((struct device *parent, struct device *self, void *aux));
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void sysbeep_isa __P((int pitch, int period));
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/* device attach structure */
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struct cfattach sysbeep_isa_ca = {
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sizeof(struct device), sysbeep_isa_match, sysbeep_isa_attach
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};
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static int ppi_attached;
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static pcppi_tag_t ppicookie;
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int
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sysbeep_isa_match(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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return (!ppi_attached);
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}
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void
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sysbeep_isa_attach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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printf("\n");
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ppicookie = ((struct pcppi_attach_args *)aux)->pa_cookie;
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ppi_attached = 1;
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}
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void
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sysbeep(pitch, period)
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int pitch, period;
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{
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if (ppi_attached)
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pcppi_bell(ppicookie, pitch, period, 0);
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}
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