1 /* $NetBSD: sysbeep_isa.c,v 1.4 2002/10/02 15:45:10 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Mark Brinicombe of Causality Limited. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/device.h> 42 #include <dev/isa/isavar.h> 43 44 #include <dev/isa/pcppivar.h> 45 46 /* Prototypes */ 47 int sysbeep_isa_match __P((struct device *parent, struct cfdata *cf, void *aux)); 48 void sysbeep_isa_attach __P((struct device *parent, struct device *self, void *aux)); 49 void sysbeep_isa __P((int pitch, int period)); 50 51 /* device attach structure */ 52 CFATTACH_DECL(sysbeep_isa, sizeof(struct device), 53 sysbeep_isa_match, sysbeep_isa_attach, NULL, NULL); 54 55 static int ppi_attached; 56 static pcppi_tag_t ppicookie; 57 58 int 59 sysbeep_isa_match(parent, match, aux) 60 struct device *parent; 61 struct cfdata *match; 62 void *aux; 63 { 64 return (!ppi_attached); 65 } 66 67 void 68 sysbeep_isa_attach(parent, self, aux) 69 struct device *parent, *self; 70 void *aux; 71 { 72 printf("\n"); 73 74 ppicookie = ((struct pcppi_attach_args *)aux)->pa_cookie; 75 ppi_attached = 1; 76 } 77 78 void 79 sysbeep(pitch, period) 80 int pitch, period; 81 { 82 if (ppi_attached) 83 pcppi_bell(ppicookie, pitch, period, 0); 84 } 85