1 /* $NetBSD: com_multi.c,v 1.17 2003/08/07 16:31:05 agc 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 Charles M. Hannum.
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 /*-
40 * Copyright (c) 1991 The Regents of the University of California.
41 * All rights reserved.
42 *
43 * Redistribution and use in source and binary forms, with or without
44 * modification, are permitted provided that the following conditions
45 * are met:
46 * 1. Redistributions of source code must retain the above copyright
47 * notice, this list of conditions and the following disclaimer.
48 * 2. Redistributions in binary form must reproduce the above copyright
49 * notice, this list of conditions and the following disclaimer in the
50 * documentation and/or other materials provided with the distribution.
51 * 3. Neither the name of the University nor the names of its contributors
52 * may be used to endorse or promote products derived from this software
53 * without specific prior written permission.
54 *
55 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
56 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
57 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
58 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
59 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
60 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
61 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
62 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
63 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
64 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
65 * SUCH DAMAGE.
66 *
67 * @(#)com.c 7.5 (Berkeley) 5/16/91
68 */
69
70 /*
71 * COM driver, uses National Semiconductor NS16450/NS16550AF UART
72 */
73
74 #include <sys/cdefs.h>
75 __KERNEL_RCSID(0, "$NetBSD: com_multi.c,v 1.17 2003/08/07 16:31:05 agc Exp $");
76
77 #include <sys/param.h>
78 #include <sys/systm.h>
79 #include <sys/ioctl.h>
80 #include <sys/select.h>
81 #include <sys/tty.h>
82 #include <sys/proc.h>
83 #include <sys/user.h>
84 #include <sys/conf.h>
85 #include <sys/file.h>
86 #include <sys/uio.h>
87 #include <sys/kernel.h>
88 #include <sys/syslog.h>
89 #include <sys/device.h>
90
91 #include <machine/intr.h>
92 #include <machine/bus.h>
93
94 #include <dev/ic/comreg.h>
95 #include <dev/ic/comvar.h>
96
97 #include <dev/isa/isavar.h>
98 #include <dev/isa/com_multi.h>
99
100 int com_multi_probe __P((struct device *, struct cfdata *, void *));
101 void com_multi_attach __P((struct device *, struct device *, void *));
102
103 CFATTACH_DECL(com_multi, sizeof(struct com_softc),
104 com_multi_probe, com_multi_attach, NULL, NULL);
105
106 int
107 com_multi_probe(parent, match, aux)
108 struct device *parent;
109 struct cfdata *match;
110 void *aux;
111 {
112 int iobase;
113 struct cfdata *cf = match;
114 struct commulti_attach_args *ca = aux;
115
116 if (cf->cf_loc[COMMULTICF_SLAVE] != COMMULTICF_SLAVE_DEFAULT &&
117 cf->cf_loc[COMMULTICF_SLAVE] != ca->ca_slave)
118 return (0);
119
120 iobase = ca->ca_iobase;
121
122 /* if it's in use as console, it's there. */
123 if (com_is_console(ca->ca_iot, iobase, 0))
124 return 1;
125
126 return comprobe1(ca->ca_iot, ca->ca_ioh);
127 }
128
129 void
130 com_multi_attach(parent, self, aux)
131 struct device *parent, *self;
132 void *aux;
133 {
134 struct com_softc *sc = (void *)self;
135 struct commulti_attach_args *ca = aux;
136
137 /*
138 * We're living on a commulti.
139 */
140 sc->sc_iot = ca->ca_iot;
141 sc->sc_ioh = ca->ca_ioh;
142 sc->sc_iobase = ca->ca_iobase;
143 sc->sc_frequency = 115200 * 16;
144
145 if (ca->ca_noien)
146 sc->sc_hwflags |= COM_HW_NOIEN;
147
148 com_attach_subr(sc);
149 }
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