1 /* $OpenBSD: com_commulti.c,v 1.5 2017/04/30 13:04:49 mpi Exp $ */ 2 /* 3 * Copyright (c) 1997 - 1999, Jason Downs. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name(s) of the author(s) nor the name OpenBSD 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS 18 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, 21 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 23 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 24 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 /*- 30 * Copyright (c) 1993, 1994, 1995, 1996 31 * Charles M. Hannum. All rights reserved. 32 * Copyright (c) 1991 The Regents of the University of California. 33 * All rights reserved. 34 * 35 * Redistribution and use in source and binary forms, with or without 36 * modification, are permitted provided that the following conditions 37 * are met: 38 * 1. Redistributions of source code must retain the above copyright 39 * notice, this list of conditions and the following disclaimer. 40 * 2. Redistributions in binary form must reproduce the above copyright 41 * notice, this list of conditions and the following disclaimer in the 42 * documentation and/or other materials provided with the distribution. 43 * 3. Neither the name of the University nor the names of its contributors 44 * may be used to endorse or promote products derived from this software 45 * without specific prior written permission. 46 * 47 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 48 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 49 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 50 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 51 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 52 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 53 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 54 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 55 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 56 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 57 * SUCH DAMAGE. 58 * 59 * @(#)com.c 7.5 (Berkeley) 5/16/91 60 */ 61 62 #include <sys/param.h> 63 #include <sys/systm.h> 64 #include <sys/tty.h> 65 #include <sys/device.h> 66 67 #include <machine/intr.h> 68 #include <machine/bus.h> 69 70 #include <dev/ic/comreg.h> 71 #include <dev/ic/comvar.h> 72 73 #include <dev/isa/isavar.h> 74 75 int com_commulti_probe(struct device *, void *, void *); 76 void com_commulti_attach(struct device *, struct device *, void *); 77 78 struct cfattach com_commulti_ca = { 79 sizeof(struct com_softc), com_commulti_probe, com_commulti_attach 80 }; 81 82 int 83 com_commulti_probe(struct device *parent, void *match, void *aux) 84 { 85 struct commulti_attach_args *ca = aux; 86 struct cfdata *cf = match; 87 bus_space_handle_t ioh; 88 bus_space_tag_t iot; 89 int iobase; 90 91 if (cf->cf_loc[0] != -1 && cf->cf_loc[0] != ca->ca_slave) 92 return (0); 93 94 iot = ca->ca_iot; 95 iobase = ca->ca_iobase; 96 ioh = ca->ca_ioh; 97 98 /* if it's in use as console, it's there. */ 99 if (iobase == comconsaddr && !comconsattached) 100 return (1); 101 102 return (comprobe1(iot, ioh)); 103 } 104 105 void 106 com_commulti_attach(struct device *parent, struct device *self, void *aux) 107 { 108 struct commulti_attach_args *ca = aux; 109 struct com_softc *sc = (void *)self; 110 111 sc->sc_hwflags = 0; 112 sc->sc_swflags = 0; 113 sc->sc_iot = ca->ca_iot; 114 sc->sc_ioh = ca->ca_ioh; 115 sc->sc_iobase = ca->ca_iobase; 116 sc->sc_frequency = COM_FREQ; 117 if (ca->ca_noien) 118 SET(sc->sc_hwflags, COM_HW_NOIEN); 119 120 com_attach_subr(sc); 121 } 122