if_an_pcmcia.c revision 1.30 1 /* $NetBSD: if_an_pcmcia.c,v 1.30 2006/10/12 01:31:50 christos Exp $ */
2
3 /*-
4 * Copyright (c) 2000, 2004 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Atsushi Onoe
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: if_an_pcmcia.c,v 1.30 2006/10/12 01:31:50 christos Exp $");
41
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/callout.h>
45 #include <sys/mbuf.h>
46 #include <sys/socket.h>
47 #include <sys/ioctl.h>
48 #include <sys/errno.h>
49 #include <sys/syslog.h>
50 #include <sys/select.h>
51 #include <sys/device.h>
52
53 #include <net/if.h>
54 #include <net/if_dl.h>
55 #include <net/if_ether.h>
56 #include <net/if_media.h>
57
58 #include <net80211/ieee80211_netbsd.h>
59 #include <net80211/ieee80211_var.h>
60
61 #include <machine/cpu.h>
62 #include <machine/bus.h>
63 #include <machine/intr.h>
64
65 #include <dev/ic/anreg.h>
66 #include <dev/ic/anvar.h>
67
68 #include <dev/pcmcia/pcmciareg.h>
69 #include <dev/pcmcia/pcmciavar.h>
70 #include <dev/pcmcia/pcmciadevs.h>
71
72 static int an_pcmcia_match(struct device *, struct cfdata *, void *);
73 static int an_pcmcia_validate_config(struct pcmcia_config_entry *);
74 static void an_pcmcia_attach(struct device *, struct device *, void *);
75 static int an_pcmcia_detach(struct device *, int);
76 static int an_pcmcia_enable(struct an_softc *);
77 static void an_pcmcia_disable(struct an_softc *);
78
79 struct an_pcmcia_softc {
80 struct an_softc sc_an; /* real "an" softc */
81
82 /* PCMCIA-specific goo */
83 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */
84 int sc_io_window; /* our i/o window */
85 struct pcmcia_function *sc_pf; /* our PCMCIA function */
86 void *sc_ih; /* interrupt handle */
87 void *sc_powerhook; /* power hook descriptor */
88
89 int sc_state;
90 #define AN_PCMCIA_ATTACHED 3
91 };
92
93 CFATTACH_DECL(an_pcmcia, sizeof(struct an_pcmcia_softc),
94 an_pcmcia_match, an_pcmcia_attach, an_pcmcia_detach, an_activate);
95
96 static const struct pcmcia_product an_pcmcia_products[] = {
97 { PCMCIA_VENDOR_AIRONET, PCMCIA_PRODUCT_AIRONET_PC4800,
98 PCMCIA_CIS_AIRONET_PC4800 },
99 { PCMCIA_VENDOR_AIRONET, PCMCIA_PRODUCT_AIRONET_PC4500,
100 PCMCIA_CIS_AIRONET_PC4500 },
101 { PCMCIA_VENDOR_AIRONET, PCMCIA_PRODUCT_AIRONET_350,
102 PCMCIA_CIS_AIRONET_350 },
103 };
104 static const size_t an_pcmcia_nproducts =
105 sizeof(an_pcmcia_products) / sizeof(an_pcmcia_products[0]);
106
107 static int
108 an_pcmcia_match(struct device *parent __unused, struct cfdata *match __unused,
109 void *aux)
110 {
111 struct pcmcia_attach_args *pa = aux;
112
113 if (pcmcia_product_lookup(pa, an_pcmcia_products, an_pcmcia_nproducts,
114 sizeof(an_pcmcia_products[0]), NULL))
115 return (1);
116 return (0);
117 }
118
119 static int
120 an_pcmcia_validate_config(cfe)
121 struct pcmcia_config_entry *cfe;
122 {
123 if (cfe->iftype != PCMCIA_IFTYPE_IO ||
124 cfe->num_iospace < 1)
125 return (EINVAL);
126 return (0);
127 }
128
129 static void
130 an_pcmcia_attach(struct device *parent __unused, struct device *self,
131 void *aux)
132 {
133 struct an_pcmcia_softc *psc = (void *)self;
134 struct an_softc *sc = &psc->sc_an;
135 struct pcmcia_attach_args *pa = aux;
136 struct pcmcia_config_entry *cfe;
137 int error;
138
139 psc->sc_pf = pa->pf;
140
141 error = pcmcia_function_configure(pa->pf, an_pcmcia_validate_config);
142 if (error) {
143 aprint_error("%s: configure failed, error=%d\n", self->dv_xname,
144 error);
145 return;
146 }
147
148 cfe = pa->pf->cfe;
149 sc->sc_iot = cfe->iospace[0].handle.iot;
150 sc->sc_ioh = cfe->iospace[0].handle.ioh;
151
152 error = an_pcmcia_enable(sc);
153 if (error)
154 goto fail;
155
156 sc->sc_enabled = 1;
157 sc->sc_enable = an_pcmcia_enable;
158 sc->sc_disable = an_pcmcia_disable;
159
160 error = an_attach(sc);
161 if (error) {
162 aprint_error("%s: failed to attach controller\n",
163 self->dv_xname);
164 goto fail2;
165 }
166
167 psc->sc_powerhook = powerhook_establish(self->dv_xname, an_power, sc);
168
169 an_pcmcia_disable(sc);
170 sc->sc_enabled = 0;
171 psc->sc_state = AN_PCMCIA_ATTACHED;
172 return;
173
174 fail2:
175 an_pcmcia_disable(sc);
176 sc->sc_enabled = 0;
177 fail:
178 pcmcia_function_unconfigure(pa->pf);
179 }
180
181
182 static int
183 an_pcmcia_detach(struct device *self, int flags __unused)
184 {
185 struct an_pcmcia_softc *psc = (void *)self;
186 int error;
187
188 if (psc->sc_state != AN_PCMCIA_ATTACHED)
189 return (0);
190
191 if (psc->sc_powerhook)
192 powerhook_disestablish(psc->sc_powerhook);
193
194 error = an_detach(&psc->sc_an);
195 if (error)
196 return (error);
197
198 pcmcia_function_unconfigure(psc->sc_pf);
199
200 return (0);
201 }
202
203 static int
204 an_pcmcia_enable(sc)
205 struct an_softc *sc;
206 {
207 struct an_pcmcia_softc *psc = (void *)sc;
208 int error;
209
210 /* establish the interrupt. */
211 psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, an_intr, sc);
212 if (!psc->sc_ih)
213 return (EIO);
214
215 error = pcmcia_function_enable(psc->sc_pf);
216 if (error) {
217 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
218 psc->sc_ih = 0;
219 }
220
221 return (error);
222 }
223
224 static void
225 an_pcmcia_disable(sc)
226 struct an_softc *sc;
227 {
228 struct an_pcmcia_softc *psc = (void *)sc;
229
230 pcmcia_function_disable(psc->sc_pf);
231 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
232 psc->sc_ih = 0;
233 }
234