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/* $OpenBSD: sysbeep_isa.c,v 1.2 2004/05/19 03:17:07 drahn Exp $ */
/* $NetBSD: sysbeep_isa.c,v 1.4 2002/10/02 15:45:10 thorpej Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Mark Brinicombe of Causality Limited.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <dev/isa/isavar.h>
#include <dev/isa/pcppivar.h>
/* Prototypes */
int sysbeep_isa_match (struct device *parent, void *cf, void *aux);
void sysbeep_isa_attach (struct device *parent, struct device *self, void *aux);
void sysbeep_isa (int pitch, int period);
/* device attach structure */
struct cfattach sysbeep_isa_ca = {
sizeof (struct device), sysbeep_isa_match, sysbeep_isa_attach
};
struct cfdriver sysbeep_cd = {
NULL, "sysbeep_isa", DV_DULL
};
static int ppi_attached;
static pcppi_tag_t ppicookie;
int
sysbeep_isa_match(parent, match, aux)
struct device *parent;
void *match;
void *aux;
{
return (!ppi_attached);
}
void
sysbeep_isa_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
printf("\n");
ppicookie = ((struct pcppi_attach_args *)aux)->pa_cookie;
ppi_attached = 1;
}
void
sysbeep(pitch, period)
int pitch, period;
{
if (ppi_attached)
pcppi_bell(ppicookie, pitch, period, 0);
}
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