1 /* $NetBSD: com_isapnp.c,v 1.20 2002/10/02 16:33:57 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1997 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Michael Graff <explorer@flame.org>. 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/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: com_isapnp.c,v 1.20 2002/10/02 16:33:57 thorpej Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/errno.h> 45 #include <sys/ioctl.h> 46 #include <sys/syslog.h> 47 #include <sys/device.h> 48 #include <sys/proc.h> 49 #include <sys/termios.h> 50 51 #include <machine/bus.h> 52 53 #include <dev/isa/isavar.h> 54 #include <dev/isa/isadmavar.h> 55 56 #include <dev/isapnp/isapnpreg.h> 57 #include <dev/isapnp/isapnpvar.h> 58 #include <dev/isapnp/isapnpdevs.h> 59 60 #include <dev/ic/comvar.h> 61 62 struct com_isapnp_softc { 63 struct com_softc sc_com; /* real "com" softc */ 64 65 /* ISAPnP-specific goo. */ 66 void *sc_ih; /* interrupt handler */ 67 }; 68 69 int com_isapnp_match __P((struct device *, struct cfdata *, void *)); 70 void com_isapnp_attach __P((struct device *, struct device *, void *)); 71 72 CFATTACH_DECL(com_isapnp, sizeof(struct com_isapnp_softc), 73 com_isapnp_match, com_isapnp_attach, NULL, NULL); 74 75 int 76 com_isapnp_match(parent, match, aux) 77 struct device *parent; 78 struct cfdata *match; 79 void *aux; 80 { 81 int pri, variant; 82 83 pri = isapnp_devmatch(aux, &isapnp_com_devinfo, &variant); 84 if (pri && variant > 0) 85 pri = 0; 86 return (pri); 87 } 88 89 void 90 com_isapnp_attach(parent, self, aux) 91 struct device *parent, *self; 92 void *aux; 93 { 94 struct com_isapnp_softc *isc = (void *)self; 95 struct com_softc *sc = &isc->sc_com; 96 struct isapnp_attach_args *ipa = aux; 97 98 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 99 printf("%s: error in region allocation\n", 100 sc->sc_dev.dv_xname); 101 return; 102 } 103 104 sc->sc_iot = ipa->ipa_iot; 105 sc->sc_iobase = ipa->ipa_io[0].base; 106 sc->sc_ioh = ipa->ipa_io[0].h; 107 108 /* 109 * if the chip isn't something we recognise skip it. 110 */ 111 if (comprobe1(sc->sc_iot, sc->sc_ioh) == 0) 112 return; 113 114 sc->sc_frequency = 115200 * 16; /* is that always right? */ 115 116 com_attach_subr(sc); 117 118 isc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num, 119 ipa->ipa_irq[0].type, IPL_SERIAL, comintr, sc); 120 } 121