1 /* $OpenBSD: com_commulti.c,v 1.2 2003/06/02 23:28:02 millert 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 #ifdef KGDB
99 if (iobase == com_kgdb_addr)
100 return (1);
101 #endif
102 /* if it's in use as console, it's there. */
103 if (iobase == comconsaddr && !comconsattached)
104 return (1);
105
106 return (comprobe1(iot, ioh));
107 }
108
109 void
110 com_commulti_attach(struct device *, struct device *, void *)
111 {
112 struct commulti_attach_args *ca = aux;
113 struct com_softc *sc = (void *)self;
114
115 sc->sc_hwflags = 0;
116 sc->sc_swflags = 0;
117 sc->sc_iot = ca->ca_iot;
118 sc->sc_ioh = ca->ca_ioh;
119 sc->sc_iobase = ca->ca_iobase;
120 sc->sc_frequency = COM_FREQ;
121 if (ca->ca_noien)
122 SET(sc->sc_hwflags, COM_HW_NOIEN);
123
124 com_attach_subr(sc);
125 }