1 | /* $NetBSD: if_an_pcmcia.c,v 1.41 2012/10/27 17:18:36 chs 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 | * |
19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
29 | * POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
31 | |
32 | #include <sys/cdefs.h> |
33 | __KERNEL_RCSID(0, "$NetBSD: if_an_pcmcia.c,v 1.41 2012/10/27 17:18:36 chs Exp $" ); |
34 | |
35 | #include <sys/param.h> |
36 | #include <sys/systm.h> |
37 | #include <sys/callout.h> |
38 | #include <sys/mbuf.h> |
39 | #include <sys/socket.h> |
40 | #include <sys/ioctl.h> |
41 | #include <sys/errno.h> |
42 | #include <sys/syslog.h> |
43 | #include <sys/select.h> |
44 | #include <sys/device.h> |
45 | |
46 | #include <net/if.h> |
47 | #include <net/if_dl.h> |
48 | #include <net/if_ether.h> |
49 | #include <net/if_media.h> |
50 | |
51 | #include <net80211/ieee80211_netbsd.h> |
52 | #include <net80211/ieee80211_var.h> |
53 | |
54 | #include <sys/cpu.h> |
55 | #include <sys/bus.h> |
56 | #include <sys/intr.h> |
57 | |
58 | #include <dev/ic/anreg.h> |
59 | #include <dev/ic/anvar.h> |
60 | |
61 | #include <dev/pcmcia/pcmciareg.h> |
62 | #include <dev/pcmcia/pcmciavar.h> |
63 | #include <dev/pcmcia/pcmciadevs.h> |
64 | |
65 | static int an_pcmcia_match(device_t, cfdata_t, void *); |
66 | static int an_pcmcia_validate_config(struct pcmcia_config_entry *); |
67 | static void an_pcmcia_attach(device_t, device_t, void *); |
68 | static int an_pcmcia_detach(device_t, int); |
69 | static int an_pcmcia_enable(struct an_softc *); |
70 | static void an_pcmcia_disable(struct an_softc *); |
71 | |
72 | struct an_pcmcia_softc { |
73 | struct an_softc sc_an; /* real "an" softc */ |
74 | |
75 | /* PCMCIA-specific goo */ |
76 | struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */ |
77 | int sc_io_window; /* our i/o window */ |
78 | struct pcmcia_function *sc_pf; /* our PCMCIA function */ |
79 | void *sc_ih; /* interrupt handle */ |
80 | |
81 | int sc_state; |
82 | #define AN_PCMCIA_ATTACHED 3 |
83 | }; |
84 | |
85 | CFATTACH_DECL_NEW(an_pcmcia, sizeof(struct an_pcmcia_softc), |
86 | an_pcmcia_match, an_pcmcia_attach, an_pcmcia_detach, an_activate); |
87 | |
88 | static const struct pcmcia_product an_pcmcia_products[] = { |
89 | { PCMCIA_VENDOR_AIRONET, PCMCIA_PRODUCT_AIRONET_PC4800, |
90 | PCMCIA_CIS_AIRONET_PC4800 }, |
91 | { PCMCIA_VENDOR_AIRONET, PCMCIA_PRODUCT_AIRONET_PC4500, |
92 | PCMCIA_CIS_AIRONET_PC4500 }, |
93 | { PCMCIA_VENDOR_AIRONET, PCMCIA_PRODUCT_AIRONET_350, |
94 | PCMCIA_CIS_AIRONET_350 }, |
95 | }; |
96 | static const size_t an_pcmcia_nproducts = |
97 | sizeof(an_pcmcia_products) / sizeof(an_pcmcia_products[0]); |
98 | |
99 | static int |
100 | an_pcmcia_match(device_t parent, cfdata_t match, void *aux) |
101 | { |
102 | struct pcmcia_attach_args *pa = aux; |
103 | |
104 | if (pcmcia_product_lookup(pa, an_pcmcia_products, an_pcmcia_nproducts, |
105 | sizeof(an_pcmcia_products[0]), NULL)) |
106 | return (1); |
107 | return (0); |
108 | } |
109 | |
110 | static int |
111 | an_pcmcia_validate_config(struct pcmcia_config_entry *cfe) |
112 | { |
113 | if (cfe->iftype != PCMCIA_IFTYPE_IO || |
114 | cfe->num_iospace < 1) |
115 | return (EINVAL); |
116 | return (0); |
117 | } |
118 | |
119 | static void |
120 | an_pcmcia_attach(device_t parent, device_t self, void *aux) |
121 | { |
122 | struct an_pcmcia_softc *psc = device_private(self); |
123 | struct an_softc *sc = &psc->sc_an; |
124 | struct pcmcia_attach_args *pa = aux; |
125 | struct pcmcia_config_entry *cfe; |
126 | int error; |
127 | |
128 | sc->sc_dev = self; |
129 | psc->sc_pf = pa->pf; |
130 | |
131 | error = pcmcia_function_configure(pa->pf, an_pcmcia_validate_config); |
132 | if (error) { |
133 | aprint_error_dev(self, "configure failed, error=%d\n" , |
134 | error); |
135 | return; |
136 | } |
137 | |
138 | cfe = pa->pf->cfe; |
139 | sc->sc_iot = cfe->iospace[0].handle.iot; |
140 | sc->sc_ioh = cfe->iospace[0].handle.ioh; |
141 | |
142 | error = an_pcmcia_enable(sc); |
143 | if (error) |
144 | goto fail; |
145 | |
146 | sc->sc_enabled = 1; |
147 | sc->sc_enable = an_pcmcia_enable; |
148 | sc->sc_disable = an_pcmcia_disable; |
149 | |
150 | error = an_attach(sc); |
151 | if (error) { |
152 | aprint_error_dev(self, "failed to attach controller\n" ); |
153 | goto fail2; |
154 | } |
155 | |
156 | if (pmf_device_register(self, NULL, NULL)) |
157 | pmf_class_network_register(self, &sc->sc_if); |
158 | else |
159 | aprint_error_dev(self, "couldn't establish power handler\n" ); |
160 | |
161 | an_pcmcia_disable(sc); |
162 | sc->sc_enabled = 0; |
163 | psc->sc_state = AN_PCMCIA_ATTACHED; |
164 | return; |
165 | |
166 | fail2: |
167 | an_pcmcia_disable(sc); |
168 | sc->sc_enabled = 0; |
169 | fail: |
170 | pcmcia_function_unconfigure(pa->pf); |
171 | } |
172 | |
173 | |
174 | static int |
175 | an_pcmcia_detach(device_t self, int flags) |
176 | { |
177 | struct an_pcmcia_softc *psc = device_private(self); |
178 | int error; |
179 | |
180 | if (psc->sc_state != AN_PCMCIA_ATTACHED) |
181 | return (0); |
182 | |
183 | pmf_device_deregister(self); |
184 | |
185 | error = an_detach(&psc->sc_an); |
186 | if (error) |
187 | return (error); |
188 | |
189 | pcmcia_function_unconfigure(psc->sc_pf); |
190 | |
191 | return (0); |
192 | } |
193 | |
194 | static int |
195 | an_pcmcia_enable(struct an_softc *sc) |
196 | { |
197 | struct an_pcmcia_softc *psc = (void *)sc; |
198 | int error; |
199 | |
200 | /* establish the interrupt. */ |
201 | psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, an_intr, sc); |
202 | if (!psc->sc_ih) |
203 | return (EIO); |
204 | |
205 | error = pcmcia_function_enable(psc->sc_pf); |
206 | if (error) { |
207 | pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); |
208 | psc->sc_ih = 0; |
209 | } |
210 | |
211 | return (error); |
212 | } |
213 | |
214 | static void |
215 | an_pcmcia_disable(struct an_softc *sc) |
216 | { |
217 | struct an_pcmcia_softc *psc = (void *)sc; |
218 | |
219 | pcmcia_function_disable(psc->sc_pf); |
220 | pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); |
221 | psc->sc_ih = 0; |
222 | } |
223 | |