if_sm_pcmcia.c revision 1.21 1 /* $NetBSD: if_sm_pcmcia.c,v 1.21 2000/02/09 13:40:42 enami Exp $ */
2
3 /*-
4 * Copyright (c) 1997, 1998, 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 of the Numerical Aerospace Simulation Facility,
9 * NASA Ames Research Center.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40 #include "opt_inet.h"
41 #include "opt_ns.h"
42 #include "bpfilter.h"
43
44 #include <sys/param.h>
45 #include <sys/systm.h>
46 #include <sys/mbuf.h>
47 #include <sys/socket.h>
48 #include <sys/ioctl.h>
49 #include <sys/errno.h>
50 #include <sys/syslog.h>
51 #include <sys/select.h>
52 #include <sys/device.h>
53
54 #include <net/if.h>
55 #include <net/if_dl.h>
56 #include <net/if_ether.h>
57 #include <net/if_media.h>
58
59 #ifdef INET
60 #include <netinet/in.h>
61 #include <netinet/in_systm.h>
62 #include <netinet/in_var.h>
63 #include <netinet/ip.h>
64 #include <netinet/if_inarp.h>
65 #endif
66
67 #ifdef NS
68 #include <netns/ns.h>
69 #include <netns/ns_if.h>
70 #endif
71
72 #if NBPFILTER > 0
73 #include <net/bpf.h>
74 #include <net/bpfdesc.h>
75 #endif
76
77 #include <machine/intr.h>
78 #include <machine/bus.h>
79
80 #include <dev/ic/smc91cxxreg.h>
81 #include <dev/ic/smc91cxxvar.h>
82
83 #include <dev/pcmcia/pcmciareg.h>
84 #include <dev/pcmcia/pcmciavar.h>
85 #include <dev/pcmcia/pcmciadevs.h>
86
87 int sm_pcmcia_match __P((struct device *, struct cfdata *, void *));
88 void sm_pcmcia_attach __P((struct device *, struct device *, void *));
89 int sm_pcmcia_detach __P((struct device *, int));
90
91 struct sm_pcmcia_softc {
92 struct smc91cxx_softc sc_smc; /* real "smc" softc */
93
94 /* PCMCIA-specific goo. */
95 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */
96 int sc_io_window; /* our i/o window */
97 void *sc_ih; /* interrupt cookie */
98 struct pcmcia_function *sc_pf; /* our PCMCIA function */
99 };
100
101 struct cfattach sm_pcmcia_ca = {
102 sizeof(struct sm_pcmcia_softc), sm_pcmcia_match, sm_pcmcia_attach,
103 sm_pcmcia_detach, smc91cxx_activate
104 };
105
106 int sm_pcmcia_enable __P((struct smc91cxx_softc *));
107 void sm_pcmcia_disable __P((struct smc91cxx_softc *));
108
109 int sm_pcmcia_ascii_enaddr __P((const char *, u_int8_t *));
110 int sm_pcmcia_funce_enaddr __P((struct device *, u_int8_t *));
111
112 int sm_pcmcia_lannid_ciscallback __P((struct pcmcia_tuple *, void *));
113
114 const struct pcmcia_product sm_pcmcia_products[] = {
115 { PCMCIA_STR_MEGAHERTZ2_XJACK, PCMCIA_VENDOR_MEGAHERTZ2,
116 PCMCIA_PRODUCT_MEGAHERTZ2_XJACK, 0, },
117
118 { PCMCIA_STR_NEWMEDIA_BASICS, PCMCIA_VENDOR_NEWMEDIA,
119 PCMCIA_PRODUCT_NEWMEDIA_BASICS, 0, },
120
121 #if 0
122 { PCMCIA_STR_SMC_8020BT, PCMCIA_VENDOR_SMC,
123 PCMCIA_PRODUCT_SMC_8020BT, 0, },
124 #endif
125
126 { NULL }
127 };
128
129 int
130 sm_pcmcia_match(parent, match, aux)
131 struct device *parent;
132 struct cfdata *match;
133 void *aux;
134 {
135 struct pcmcia_attach_args *pa = aux;
136
137 if (pcmcia_product_lookup(pa, sm_pcmcia_products,
138 sizeof sm_pcmcia_products[0], NULL) != NULL)
139 return (1);
140 return (0);
141 }
142
143 void
144 sm_pcmcia_attach(parent, self, aux)
145 struct device *parent, *self;
146 void *aux;
147 {
148 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self;
149 struct smc91cxx_softc *sc = &psc->sc_smc;
150 struct pcmcia_attach_args *pa = aux;
151 struct pcmcia_config_entry *cfe;
152 u_int8_t myla[ETHER_ADDR_LEN], *enaddr = NULL;
153 const struct pcmcia_product *pp;
154
155 psc->sc_pf = pa->pf;
156 cfe = pa->pf->cfe_head.sqh_first;
157
158 /* Enable the card. */
159 pcmcia_function_init(pa->pf, cfe);
160 if (pcmcia_function_enable(pa->pf)) {
161 printf(": function enable failed\n");
162 goto enable_failed;
163 }
164
165 /* XXX sanity check number of mem and i/o spaces */
166
167 /* Allocate and map i/o space for the card. */
168 if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length,
169 cfe->iospace[0].length, &psc->sc_pcioh)) {
170 printf(": can't allocate i/o space\n");
171 goto ioalloc_failed;
172 }
173
174 sc->sc_bst = psc->sc_pcioh.iot;
175 sc->sc_bsh = psc->sc_pcioh.ioh;
176
177 sc->sc_enable = sm_pcmcia_enable;
178 sc->sc_disable = sm_pcmcia_disable;
179
180 if (pcmcia_io_map(pa->pf, (cfe->flags & PCMCIA_CFE_IO16) ?
181 PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8, 0, cfe->iospace[0].length,
182 &psc->sc_pcioh, &psc->sc_io_window)) {
183 printf(": can't map i/o space\n");
184 goto iomap_failed;
185 }
186
187 pp = pcmcia_product_lookup(pa, sm_pcmcia_products,
188 sizeof sm_pcmcia_products[0], NULL);
189 if (pp == NULL)
190 panic("sm_pcmcia_attach: impossible");
191
192 printf(": %s\n", pp->pp_name);
193
194 /*
195 * First try to get the Ethernet address from FUNCE/LANNID tuple.
196 */
197 if (sm_pcmcia_funce_enaddr(parent, myla))
198 enaddr = myla;
199
200 /*
201 * If that failed, try one of the CIS info strings.
202 */
203 if (enaddr == NULL) {
204 char *cisstr = NULL;
205
206 switch (pa->manufacturer) {
207 case PCMCIA_VENDOR_MEGAHERTZ:
208 case PCMCIA_VENDOR_MEGAHERTZ2:
209 cisstr = pa->pf->sc->card.cis1_info[3];
210 break;
211
212 case PCMCIA_VENDOR_SMC:
213 cisstr = pa->pf->sc->card.cis1_info[2];
214 break;
215 }
216
217 if (cisstr != NULL && sm_pcmcia_ascii_enaddr(cisstr, myla))
218 enaddr = myla;
219 }
220
221 if (enaddr == NULL)
222 printf("%s: unable to get Ethernet address\n",
223 sc->sc_dev.dv_xname);
224
225 /* Perform generic intialization. */
226 smc91cxx_attach(sc, enaddr);
227
228 pcmcia_function_disable(pa->pf);
229 return;
230
231 iomap_failed:
232 /* Disable the device */
233 pcmcia_function_disable(pa->pf);
234
235 enable_failed:
236 /* Free our i/o space. */
237 pcmcia_io_free(pa->pf, &psc->sc_pcioh);
238
239 ioalloc_failed:
240 psc->sc_io_window = -1;
241 }
242
243 int
244 sm_pcmcia_detach(self, flags)
245 struct device *self;
246 int flags;
247 {
248 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self;
249 int rv;
250
251 if (psc->sc_io_window == -1)
252 /* Nothing to detach. */
253 return (0);
254
255 rv = smc91cxx_detach((struct device *)&psc->sc_smc, flags);
256 if (rv != 0)
257 return (rv);
258
259 /* Unmap our i/o window. */
260 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
261
262 /* Free our i/o space. */
263 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
264 return (0);
265 }
266
267 int
268 sm_pcmcia_ascii_enaddr(cisstr, myla)
269 const char *cisstr;
270 u_int8_t *myla;
271 {
272 u_int8_t digit;
273 int i;
274
275 memset(myla, 0, ETHER_ADDR_LEN);
276
277 for (i = 0, digit = 0; i < (ETHER_ADDR_LEN * 2); i++) {
278 if (cisstr[i] >= '0' && cisstr[i] <= '9')
279 digit |= cisstr[i] - '0';
280 else if (cisstr[i] >= 'a' && cisstr[i] <= 'f')
281 digit |= (cisstr[i] - 'a') + 10;
282 else if (cisstr[i] >= 'A' && cisstr[i] <= 'F')
283 digit |= (cisstr[i] - 'A') + 10;
284 else {
285 /* Bogus digit!! */
286 return (0);
287 }
288
289 /* Compensate for ordering of digits. */
290 if (i & 1) {
291 myla[i >> 1] = digit;
292 digit = 0;
293 } else
294 digit <<= 4;
295 }
296
297 return (1);
298 }
299
300 int
301 sm_pcmcia_funce_enaddr(parent, myla)
302 struct device *parent;
303 u_int8_t *myla;
304 {
305
306 return (pcmcia_scan_cis(parent, sm_pcmcia_lannid_ciscallback, myla));
307 }
308
309 int
310 sm_pcmcia_lannid_ciscallback(tuple, arg)
311 struct pcmcia_tuple *tuple;
312 void *arg;
313 {
314 u_int8_t *myla = arg;
315 int i;
316
317 if (tuple->code == PCMCIA_CISTPL_FUNCE) {
318 /* subcode, length */
319 if (tuple->length < 2)
320 return (0);
321
322 if ((pcmcia_tuple_read_1(tuple, 0) !=
323 PCMCIA_TPLFE_TYPE_LAN_NID) ||
324 (pcmcia_tuple_read_1(tuple, 1) != ETHER_ADDR_LEN))
325 return (0);
326
327 for (i = 0; i < ETHER_ADDR_LEN; i++)
328 myla[i] = pcmcia_tuple_read_1(tuple, i + 2);
329 return (1);
330 }
331 return (0);
332 }
333
334 int
335 sm_pcmcia_enable(sc)
336 struct smc91cxx_softc *sc;
337 {
338 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc;
339 int rv;
340
341 /* Establish the interrupt handler. */
342 psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, smc91cxx_intr,
343 sc);
344 if (psc->sc_ih == NULL) {
345 printf("%s: couldn't establish interrupt handler\n",
346 sc->sc_dev.dv_xname);
347 return (1);
348 }
349
350 rv = pcmcia_function_enable(psc->sc_pf);
351 if (rv != 0)
352 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
353 return (rv);
354 }
355
356 void
357 sm_pcmcia_disable(sc)
358 struct smc91cxx_softc *sc;
359 {
360 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc;
361
362 pcmcia_function_disable(psc->sc_pf);
363 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
364 }
365