/* $NetBSD: sysbeep_isa.c,v 1.1 1998/10/05 00:41:31 mark 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 #include #include #include #include /* Prototypes */ int sysbeep_isa_match __P((struct device *parent, struct cfdata *cf, void *aux)); void sysbeep_isa_attach __P((struct device *parent, struct device *self, void *aux)); void sysbeep_isa __P((int pitch, int period)); /* device attach structure */ struct cfattach sysbeep_isa_ca = { sizeof(struct device), sysbeep_isa_match, sysbeep_isa_attach }; static int ppi_attached; static pcppi_tag_t ppicookie; int sysbeep_isa_match(parent, match, aux) struct device *parent; struct cfdata *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); }