/* $NetBSD: isabeep.c,v 1.10 2011/06/06 16:42:18 matt Exp $ */
/*
* Copyright (c) 1995, 1996 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or
[email protected]
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: isabeep.c,v 1.10 2011/06/06 16:42:18 matt Exp $");
#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
#include <sys/types.h>
#include <sys/param.h>
#include <sys/time.h>
#include <sys/systm.h>
#include <sys/errno.h>
#include <sys/device.h>
#include <uvm/uvm_extern.h>
#include <dev/isa/isavar.h>
#include "pcppi.h"
#if NPCPPI > 0
#include <dev/isa/pcppivar.h>
int isabeepmatch(device_t, cfdata_t, void *);
void isabeepattach(device_t, device_t, void *);
CFATTACH_DECL_NEW(isabeep, 0,
isabeepmatch, isabeepattach, NULL, NULL);
static int ppi_attached;
static pcppi_tag_t ppicookie;
int
isabeepmatch(device_t parent, cfdata_t match, void *aux)
{
return (!ppi_attached);
}
void
isabeepattach(device_t parent, device_t self, void *aux)
{
aprint_normal("\n");
ppicookie = ((struct pcppi_attach_args *)aux)->pa_cookie;
ppi_attached = 1;
}
#endif
void
isabeep(int pitch, int period)
{
#if NPCPPI > 0
if (ppi_attached)
pcppi_bell(ppicookie, pitch, period, 0);
#endif
}
