if_an_pcmcia.c revision 1.3 1 /* $NetBSD: if_an_pcmcia.c,v 1.3 2000/12/12 05:11:16 onoe 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 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 "opt_inet.h"
40 #include "opt_ns.h"
41 #include "bpfilter.h"
42
43 #ifdef INET
44 #define ANCACHE /* XXX: should be defined elsewhere */
45 #endif
46
47 #include <sys/param.h>
48 #include <sys/systm.h>
49 #include <sys/callout.h>
50 #include <sys/mbuf.h>
51 #include <sys/socket.h>
52 #include <sys/ioctl.h>
53 #include <sys/errno.h>
54 #include <sys/syslog.h>
55 #include <sys/select.h>
56 #include <sys/device.h>
57
58 #include <net/if.h>
59 #include <net/if_dl.h>
60 #include <net/if_ether.h>
61 #include <net/if_media.h>
62 #include <net/if_ieee80211.h>
63
64 #ifdef INET
65 #include <netinet/in.h>
66 #include <netinet/in_systm.h>
67 #include <netinet/in_var.h>
68 #include <netinet/ip.h>
69 #include <netinet/if_inarp.h>
70 #endif
71
72 #ifdef NS
73 #include <netns/ns.h>
74 #include <netns/ns_if.h>
75 #endif
76
77 #if NBPFILTER > 0
78 #include <net/bpf.h>
79 #include <net/bpfdesc.h>
80 #endif
81
82 #include <machine/cpu.h>
83 #include <machine/bus.h>
84 #include <machine/intr.h>
85
86 #include <dev/ic/anreg.h>
87 #include <dev/ic/anvar.h>
88
89 #include <dev/pcmcia/pcmciareg.h>
90 #include <dev/pcmcia/pcmciavar.h>
91 #include <dev/pcmcia/pcmciadevs.h>
92
93 static int an_pcmcia_match __P((struct device *, struct cfdata *, void *));
94 static void an_pcmcia_attach __P((struct device *, struct device *, void *));
95 static int an_pcmcia_detach __P((struct device *, int));
96 static int an_pcmcia_enable __P((struct an_softc *));
97 static void an_pcmcia_disable __P((struct an_softc *));
98 static void an_pcmcia_powerhook __P((int, void *));
99
100 struct an_pcmcia_softc {
101 struct an_softc sc_an; /* real "an" softc */
102
103 /* PCMCIA-specific goo */
104 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */
105 int sc_io_window; /* our i/o window */
106 struct pcmcia_function *sc_pf; /* our PCMCIA function */
107 void *sc_powerhook; /* power hook descriptor */
108 };
109
110 static int an_pcmcia_find __P((struct an_pcmcia_softc *,
111 struct pcmcia_attach_args *, struct pcmcia_config_entry *));
112
113 struct cfattach an_pcmcia_ca = {
114 sizeof(struct an_pcmcia_softc), an_pcmcia_match, an_pcmcia_attach,
115 an_pcmcia_detach, an_activate
116 };
117
118 static struct an_pcmcia_product {
119 u_int32_t app_vendor; /* vendor ID */
120 u_int32_t app_product; /* product ID */
121 const char *app_cisinfo[4]; /* CIS information */
122 const char *app_name; /* product name */
123 } an_pcmcia_products[] = {
124 { PCMCIA_VENDOR_AIRONET, PCMCIA_PRODUCT_AIRONET_PC4800,
125 PCMCIA_CIS_AIRONET_PC4800, PCMCIA_STR_AIRONET_PC4800 },
126 { 0, 0,
127 { NULL, NULL, NULL, NULL }, NULL }
128 };
129
130 static struct an_pcmcia_product *
131 an_pcmcia_lookup __P((struct pcmcia_attach_args *));
132
133 static struct an_pcmcia_product *
134 an_pcmcia_lookup(pa)
135 struct pcmcia_attach_args *pa;
136 {
137 struct an_pcmcia_product *app;
138
139 for (app = an_pcmcia_products; app->app_name != NULL; app++) {
140 /* match by vendor/product id */
141 if (pa->manufacturer != PCMCIA_VENDOR_INVALID &&
142 pa->manufacturer == app->app_vendor &&
143 pa->product != PCMCIA_PRODUCT_INVALID &&
144 pa->product == app->app_product)
145 return (app);
146
147 /* match by CIS information */
148 if (pa->card->cis1_info[0] != NULL &&
149 app->app_cisinfo[0] != NULL &&
150 strcmp(pa->card->cis1_info[0], app->app_cisinfo[0]) == 0 &&
151 pa->card->cis1_info[1] != NULL &&
152 app->app_cisinfo[1] != NULL &&
153 strcmp(pa->card->cis1_info[1], app->app_cisinfo[1]) == 0)
154 return (app);
155 }
156
157 return (NULL);
158 }
159
160 static int
161 an_pcmcia_enable(sc)
162 struct an_softc *sc;
163 {
164 struct an_pcmcia_softc *psc = (struct an_pcmcia_softc *)sc;
165 struct pcmcia_function *pf = psc->sc_pf;
166
167 /* establish the interrupt. */
168 sc->irq_handle = pcmcia_intr_establish(pf, IPL_NET, an_intr, sc);
169 if (sc->irq_handle == NULL) {
170 printf("%s: couldn't establish interrupt\n",
171 sc->an_dev.dv_xname);
172 return (1);
173 }
174
175 if (pcmcia_function_enable(pf)) {
176 pcmcia_intr_disestablish(pf, sc->irq_handle);
177 return (1);
178 }
179 DELAY(1000);
180
181 return (0);
182 }
183
184 static void
185 an_pcmcia_disable(sc)
186 struct an_softc *sc;
187 {
188 struct an_pcmcia_softc *psc = (struct an_pcmcia_softc *)sc;
189 struct pcmcia_function *pf = psc->sc_pf;
190
191 pcmcia_function_disable(pf);
192 pcmcia_intr_disestablish(pf, sc->irq_handle);
193 }
194
195 static int
196 an_pcmcia_match(parent, match, aux)
197 struct device *parent;
198 struct cfdata *match;
199 void *aux;
200 {
201 struct pcmcia_attach_args *pa = aux;
202
203 if (an_pcmcia_lookup(pa) != NULL)
204 return (1);
205
206 return (0);
207 }
208
209 static int
210 an_pcmcia_find(psc, pa, cfe)
211 struct an_pcmcia_softc *psc;
212 struct pcmcia_attach_args *pa;
213 struct pcmcia_config_entry *cfe;
214 {
215 struct an_softc *sc = &psc->sc_an;
216 int fail = 0;
217
218 /*
219 * see if we can read the firmware version sanely
220 * through the i/o ports.
221 * if not, try a different CIS string..
222 */
223 if (pcmcia_io_alloc(psc->sc_pf, cfe->iospace[0].start,
224 cfe->iospace[0].length, AN_IOSIZ,
225 &psc->sc_pcioh) != 0)
226 goto fail;
227
228 if (pcmcia_io_map(psc->sc_pf, PCMCIA_WIDTH_AUTO, 0, psc->sc_pcioh.size,
229 &psc->sc_pcioh, &psc->sc_io_window))
230 goto fail_io_free;
231
232 /* Enable the card. */
233 pcmcia_function_init(psc->sc_pf, cfe);
234 if (pcmcia_function_enable(psc->sc_pf))
235 goto fail_io_unmap;
236
237 sc->an_btag = psc->sc_pcioh.iot;
238 sc->an_bhandle = psc->sc_pcioh.ioh;
239
240 if (an_probe(sc))
241 return 0;
242
243 fail++;
244 pcmcia_function_disable(psc->sc_pf);
245
246 fail_io_unmap:
247 fail++;
248 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
249
250 fail_io_free:
251 fail++;
252 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
253 fail:
254 fail++;
255 return (fail);
256 }
257
258 static void
259 an_pcmcia_attach(parent, self, aux)
260 struct device *parent, *self;
261 void *aux;
262 {
263 struct an_pcmcia_softc *psc = (void *)self;
264 struct an_softc *sc = &psc->sc_an;
265 struct an_pcmcia_product *app;
266 struct pcmcia_attach_args *pa = aux;
267 struct pcmcia_config_entry *cfe;
268
269 app = an_pcmcia_lookup(pa);
270 if (app == NULL)
271 panic("an_pcmcia_attach: impossible");
272
273 psc->sc_pf = pa->pf;
274
275 for (cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); cfe != NULL;
276 cfe = SIMPLEQ_NEXT(cfe, cfe_list)) {
277 if (cfe->iftype != PCMCIA_IFTYPE_IO)
278 continue;
279 if (cfe->num_iospace < 1)
280 continue;
281 if (cfe->iospace[0].length < AN_IOSIZ)
282 continue;
283
284 if (an_pcmcia_find(psc, pa, cfe) == 0)
285 break;
286 }
287 if (cfe == NULL) {
288 printf(": no suitable CIS info found\n");
289 goto no_config_entry;
290 }
291
292 sc->sc_enabled = 1;
293 printf(": %s\n", app->app_name);
294
295 sc->sc_enable = an_pcmcia_enable;
296 sc->sc_disable = an_pcmcia_disable;
297
298 /* establish the interrupt. */
299 sc->irq_handle = pcmcia_intr_establish(psc->sc_pf, IPL_NET, an_intr, sc);
300 if (sc->irq_handle == NULL) {
301 printf("%s: couldn't establish interrupt\n",
302 sc->an_dev.dv_xname);
303 goto no_interrupt;
304 }
305
306 if (an_attach(sc) != 0) {
307 printf("%s: failed to attach controller\n",
308 sc->an_dev.dv_xname);
309 goto attach_failed;
310 }
311 psc->sc_powerhook = powerhook_establish(an_pcmcia_powerhook, psc);
312 sc->sc_enabled = 0;
313
314 /* disable device and disestablish the interrupt */
315 an_pcmcia_disable(sc);
316 return;
317
318 attach_failed:
319 pcmcia_intr_disestablish(psc->sc_pf, sc->irq_handle);
320
321 no_interrupt:
322 /* Unmap our i/o window and space */
323 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
324 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
325
326 /* Disable the function */
327 pcmcia_function_disable(psc->sc_pf);
328
329 no_config_entry:
330 psc->sc_io_window = -1;
331 }
332
333
334 static int
335 an_pcmcia_detach(self, flags)
336 struct device *self;
337 int flags;
338 {
339 struct an_pcmcia_softc *psc = (struct an_pcmcia_softc *)self;
340 int error;
341
342 if (psc->sc_io_window == -1)
343 /* Nothing to detach. */
344 return (0);
345
346 if (psc->sc_powerhook != NULL)
347 powerhook_disestablish(psc->sc_powerhook);
348
349 error = an_detach(&psc->sc_an);
350 if (error != 0)
351 return (error);
352
353 /* Unmap our i/o window. */
354 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
355
356 /* Free our i/o space. */
357 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
358 return (0);
359 }
360
361 static void
362 an_pcmcia_powerhook(why, arg)
363 int why;
364 void *arg;
365 {
366 #if 0
367 struct an_pcmcia_softc *psc = arg;
368 struct an_softc *sc = &psc->sc_an;
369
370 an_power(sc, why);
371 #endif
372 }
373