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 }
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