if_awi_pcmcia.c revision 1.30 1 /* $NetBSD: if_awi_pcmcia.c,v 1.30 2004/08/10 16:43:47 mycroft Exp $ */
2
3 /*-
4 * Copyright (c) 1999, 2004 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Bill Sommerfeld
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 * PCMCIA attachment for BayStack 650 802.11FH PCMCIA card,
41 * based on the AMD 79c930 802.11 controller chip.
42 *
43 * This attachment can probably be trivially adapted for other FH and
44 * DS cards based on the same chipset.
45 */
46
47 #include <sys/cdefs.h>
48 __KERNEL_RCSID(0, "$NetBSD: if_awi_pcmcia.c,v 1.30 2004/08/10 16:43:47 mycroft Exp $");
49
50 #include <sys/param.h>
51 #include <sys/systm.h>
52 #include <sys/mbuf.h>
53 #include <sys/socket.h>
54 #include <sys/ioctl.h>
55 #include <sys/errno.h>
56 #include <sys/syslog.h>
57 #include <sys/select.h>
58 #include <sys/device.h>
59
60 #include <net/if.h>
61 #include <net/if_dl.h>
62 #include <net/if_ether.h>
63 #include <net/if_media.h>
64
65 #include <net80211/ieee80211_var.h>
66 #include <net80211/ieee80211_compat.h>
67
68 #include <machine/cpu.h>
69 #include <machine/bus.h>
70 #include <machine/intr.h>
71
72 #include <dev/ic/am79c930reg.h>
73 #include <dev/ic/am79c930var.h>
74 #include <dev/ic/awireg.h>
75 #include <dev/ic/awivar.h>
76
77 #include <dev/pcmcia/pcmciareg.h>
78 #include <dev/pcmcia/pcmciavar.h>
79 #include <dev/pcmcia/pcmciadevs.h>
80
81 static int awi_pcmcia_match(struct device *, struct cfdata *, void *);
82 static int awi_pcmcia_validate_config(struct pcmcia_config_entry *);
83 static void awi_pcmcia_attach(struct device *, struct device *, void *);
84 static int awi_pcmcia_detach(struct device *, int);
85 static int awi_pcmcia_enable(struct awi_softc *);
86 static void awi_pcmcia_disable(struct awi_softc *);
87
88 struct awi_pcmcia_softc {
89 struct awi_softc sc_awi; /* real "awi" softc */
90
91 /* PCMCIA-specific goo */
92 struct pcmcia_function *sc_pf; /* our PCMCIA function */
93 void *sc_ih; /* interrupt handler */
94
95 int sc_state;
96 #define AWI_PCMCIA_ATTACH1 1
97 #define AWI_PCMCIA_ATTACH2 2
98 #define AWI_PCMCIA_ATTACHED 3
99 };
100
101 CFATTACH_DECL(awi_pcmcia, sizeof(struct awi_pcmcia_softc),
102 awi_pcmcia_match, awi_pcmcia_attach, awi_pcmcia_detach, awi_activate);
103
104 static const struct awi_pcmcia_product {
105 u_int32_t app_vendor; /* vendor ID */
106 u_int32_t app_product; /* product ID */
107 const char *app_cisinfo[4]; /* CIS information */
108 const char *app_name; /* product name */
109 } awi_pcmcia_products[] = {
110 { PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_STACK_650,
111 PCMCIA_CIS_BAY_STACK_650, "" },
112
113 { PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_STACK_660,
114 PCMCIA_CIS_BAY_STACK_660, "" },
115
116 { PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_SURFER_PRO,
117 PCMCIA_CIS_BAY_SURFER_PRO, "" },
118
119 { PCMCIA_VENDOR_AMD, PCMCIA_PRODUCT_AMD_AM79C930,
120 PCMCIA_CIS_AMD_AM79C930, "" },
121
122 { PCMCIA_VENDOR_ICOM, PCMCIA_PRODUCT_ICOM_SL200,
123 PCMCIA_CIS_ICOM_SL200, "" },
124
125 { PCMCIA_VENDOR_NOKIA, PCMCIA_PRODUCT_NOKIA_C020_WLAN,
126 PCMCIA_CIS_NOKIA_C020_WLAN, "" },
127
128 { PCMCIA_VENDOR_FARALLON, PCMCIA_PRODUCT_FARALLON_SKYLINE,
129 PCMCIA_CIS_FARALLON_SKYLINE, "" },
130
131 { 0, 0,
132 { NULL, NULL, NULL, NULL }, NULL },
133 };
134
135 static const struct awi_pcmcia_product *
136 awi_pcmcia_lookup __P((struct pcmcia_attach_args *));
137
138 static const struct awi_pcmcia_product *
139 awi_pcmcia_lookup(pa)
140 struct pcmcia_attach_args *pa;
141 {
142 const struct awi_pcmcia_product *app;
143
144 for (app = awi_pcmcia_products; app->app_name != NULL; app++) {
145 /* match by vendor/product id */
146 if (pa->manufacturer != PCMCIA_VENDOR_INVALID &&
147 pa->manufacturer == app->app_vendor &&
148 pa->product != PCMCIA_PRODUCT_INVALID &&
149 pa->product == app->app_product)
150 return (app);
151
152 /* match by CIS information */
153 if (pa->card->cis1_info[0] != NULL &&
154 app->app_cisinfo[0] != NULL &&
155 strcmp(pa->card->cis1_info[0], app->app_cisinfo[0]) == 0 &&
156 pa->card->cis1_info[1] != NULL &&
157 app->app_cisinfo[1] != NULL &&
158 strcmp(pa->card->cis1_info[1], app->app_cisinfo[1]) == 0)
159 return (app);
160 }
161
162 return (NULL);
163 }
164
165 static int
166 awi_pcmcia_enable(sc)
167 struct awi_softc *sc;
168 {
169 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)sc;
170 struct pcmcia_function *pf = psc->sc_pf;
171 int error;
172
173 if (psc->sc_state == AWI_PCMCIA_ATTACH1) {
174 psc->sc_state = AWI_PCMCIA_ATTACH2;
175 return (0);
176 }
177
178 /* establish the interrupt. */
179 psc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, awi_intr, sc);
180 if (!psc->sc_ih)
181 return (EIO);
182
183 error = pcmcia_function_enable(pf);
184 if (error) {
185 pcmcia_intr_disestablish(pf, psc->sc_ih);
186 psc->sc_ih = 0;
187 }
188
189 return (error);
190 }
191
192 static void
193 awi_pcmcia_disable(sc)
194 struct awi_softc *sc;
195 {
196 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)sc;
197 struct pcmcia_function *pf = psc->sc_pf;
198
199 pcmcia_function_disable(pf);
200 pcmcia_intr_disestablish(pf, psc->sc_ih);
201 psc->sc_ih = 0;
202 }
203
204 static int
205 awi_pcmcia_match(parent, match, aux)
206 struct device *parent;
207 struct cfdata *match;
208 void *aux;
209 {
210 struct pcmcia_attach_args *pa = aux;
211
212 if (awi_pcmcia_lookup(pa) != NULL)
213 return (1);
214
215 return (0);
216 }
217
218 static int
219 awi_pcmcia_validate_config(cfe)
220 struct pcmcia_config_entry *cfe;
221 {
222 if (cfe->iftype != PCMCIA_IFTYPE_IO ||
223 cfe->num_iospace < 1 ||
224 cfe->iospace[0].length < AM79C930_IO_SIZE)
225 return (EINVAL);
226 if (cfe->num_memspace < 1) {
227 cfe->memspace[0].length = AM79C930_MEM_SIZE;
228 cfe->memspace[0].cardaddr = 0;
229 cfe->memspace[0].hostaddr = 0;
230 } else if (cfe->memspace[0].length < AM79C930_MEM_SIZE)
231 return (EINVAL);
232 return (0);
233 }
234
235 static void
236 awi_pcmcia_attach(parent, self, aux)
237 struct device *parent, *self;
238 void *aux;
239 {
240 struct awi_pcmcia_softc *psc = (void *)self;
241 struct awi_softc *sc = &psc->sc_awi;
242 struct pcmcia_attach_args *pa = aux;
243 struct pcmcia_config_entry *cfe;
244 int error;
245
246 aprint_normal("\n");
247 psc->sc_pf = pa->pf;
248
249 error = pcmcia_function_configure(pa->pf, awi_pcmcia_validate_config);
250 if (error) {
251 aprint_error("%s: configure failed, error=%d\n", self->dv_xname,
252 error);
253 return;
254 }
255
256 cfe = pa->pf->cfe;
257 sc->sc_chip.sc_bustype = AM79C930_BUS_PCMCIA;
258 sc->sc_chip.sc_iot = cfe->iospace[0].handle.iot;
259 sc->sc_chip.sc_ioh = cfe->iospace[0].handle.ioh;
260 if (cfe->num_memspace > 0) {
261 sc->sc_chip.sc_memt = cfe->memspace[0].handle.memt;
262 sc->sc_chip.sc_memh = cfe->memspace[0].handle.memh;
263 am79c930_chip_init(&sc->sc_chip, 1);
264 } else
265 am79c930_chip_init(&sc->sc_chip, 0);
266
267 error = awi_pcmcia_enable(sc);
268 if (error)
269 goto fail;
270
271 awi_read_bytes(sc, AWI_BANNER, sc->sc_banner, AWI_BANNER_LEN);
272 if (memcmp(sc->sc_banner, "PCnetMobile:", 12))
273 goto fail2;
274
275 sc->sc_enable = awi_pcmcia_enable;
276 sc->sc_disable = awi_pcmcia_disable;
277
278 sc->sc_cansleep = 1;
279
280 psc->sc_state = AWI_PCMCIA_ATTACH1;
281 sc->sc_enabled = 1;
282 if (awi_attach(sc) != 0) {
283 printf("%s: failed to attach controller\n", self->dv_xname);
284 goto fail2;
285 }
286
287 if (psc->sc_state == AWI_PCMCIA_ATTACH1)
288 awi_pcmcia_disable(sc);
289 sc->sc_enabled = 0;
290 psc->sc_state = AWI_PCMCIA_ATTACHED;
291 return;
292
293 fail2:
294 awi_pcmcia_disable(sc);
295 sc->sc_enabled = 0;
296 fail:
297 pcmcia_function_unconfigure(pa->pf);
298 }
299
300 static int
301 awi_pcmcia_detach(self, flags)
302 struct device *self;
303 int flags;
304 {
305 struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)self;
306 int error;
307
308 if (psc->sc_state != AWI_PCMCIA_ATTACHED)
309 return (0);
310
311 error = awi_detach(&psc->sc_awi);
312 if (error)
313 return (error);
314
315 pcmcia_function_unconfigure(psc->sc_pf);
316
317 return (0);
318 }
319