xref: /netbsd-src/sys/dev/isapnp/if_an_isapnp.c (revision d710132b4b8ce7f7cccaaf660cb16aa16b4077a0)
1 /*	$NetBSD: if_an_isapnp.c,v 1.7 2002/10/02 16:33:59 thorpej Exp $	*/
2 
3 /*-
4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Jason R. Thorpe.
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  * ISAPnP bus front-end for the Aironet ISA4500/ISA4800 Wireless LAN Adapter.
41  * Unlike WaveLAN, this adapter is attached as an ISA device using an address
42  * decoder hack.
43  */
44 
45 #include <sys/cdefs.h>
46 __KERNEL_RCSID(0, "$NetBSD: if_an_isapnp.c,v 1.7 2002/10/02 16:33:59 thorpej Exp $");
47 
48 #include <sys/param.h>
49 #include <sys/systm.h>
50 #include <sys/mbuf.h>
51 #include <sys/malloc.h>
52 #include <sys/kernel.h>
53 #include <sys/socket.h>
54 #include <sys/ioctl.h>
55 #include <sys/errno.h>
56 #include <sys/device.h>
57 #include <sys/callout.h>
58 
59 #include <net/if.h>
60 #include <net/if_dl.h>
61 #include <net/if_media.h>
62 #include <net/if_ether.h>
63 #include <net/if_ieee80211.h>
64 
65 #include <machine/bus.h>
66 #include <machine/intr.h>
67 
68 #include <dev/ic/anreg.h>
69 #include <dev/ic/anvar.h>
70 
71 #include <dev/isa/isavar.h>
72 
73 #include <dev/isapnp/isapnpreg.h>
74 #include <dev/isapnp/isapnpvar.h>
75 #include <dev/isapnp/isapnpdevs.h>
76 
77 int	an_isapnp_match(struct device *, struct cfdata *, void *);
78 void	an_isapnp_attach(struct device *, struct device *, void *);
79 
80 struct an_isapnp_softc {
81 	struct an_softc sc_an;			/* real "an" softc */
82 
83 	/* ISA-specific goo. */
84 	void	*sc_ih;				/* interrupt cookie */
85 };
86 
87 CFATTACH_DECL(an_isapnp, sizeof(struct an_isapnp_softc),
88     an_isapnp_match, an_isapnp_attach, NULL, NULL);
89 
90 int
91 an_isapnp_match(struct device *parent, struct cfdata *match, void *aux)
92 {
93 	int pri, variant;
94 
95 	pri = isapnp_devmatch(aux, &isapnp_an_devinfo, &variant);
96 	if (pri && variant > 0)
97 		pri = 0;
98 	return (pri);
99 }
100 
101 void
102 an_isapnp_attach(struct device *parent, struct device *self, void *aux)
103 {
104 	struct an_isapnp_softc *isc = (void *) self;
105 	struct an_softc *sc = &isc->sc_an;
106 	struct isapnp_attach_args *ipa = aux;
107 
108 	printf("\n");
109 
110 	if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
111 		printf("%s: can't configure isapnp resources\n",
112 		    sc->an_dev.dv_xname);
113 		return;
114 	}
115 
116 	sc->an_btag = ipa->ipa_iot;
117 	sc->an_bhandle = ipa->ipa_io[0].h;
118 
119 	printf("%s: %s %s\n", sc->an_dev.dv_xname, ipa->ipa_devident,
120 	    ipa->ipa_devclass);
121 
122 	/* This interface is always enabled. */
123 	sc->sc_enabled = 1;
124 
125 	/* Establish the interrupt handler. */
126 	isc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
127 	    ipa->ipa_irq[0].type, IPL_NET, an_intr, sc);
128 	if (isc->sc_ih == NULL)
129 		printf("%s: couldn't establish interrupt handler\n",
130 		    sc->an_dev.dv_xname);
131 
132 	if (an_attach(sc) != 0) {
133 		printf("%s: failed to attach controller\n",
134 		    sc->an_dev.dv_xname);
135 		isa_intr_disestablish(ipa->ipa_ic, isc->sc_ih);
136 		isc->sc_ih = NULL;
137 	}
138 }
139