if_ep_pcmcia.c revision 1.15 1 /* $NetBSD: if_ep_pcmcia.c,v 1.15 1998/08/15 16:09:46 thorpej Exp $ */
2
3 /*-
4 * Copyright (c) 1998 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 /*
41 * Copyright (c) 1997 Marc Horowitz. All rights reserved.
42 *
43 * Redistribution and use in source and binary forms, with or without
44 * modification, are permitted provided that the following conditions
45 * are met:
46 * 1. Redistributions of source code must retain the above copyright
47 * notice, this list of conditions and the following disclaimer.
48 * 2. Redistributions in binary form must reproduce the above copyright
49 * notice, this list of conditions and the following disclaimer in the
50 * documentation and/or other materials provided with the distribution.
51 * 3. All advertising materials mentioning features or use of this software
52 * must display the following acknowledgement:
53 * This product includes software developed by Marc Horowitz.
54 * 4. The name of the author may not be used to endorse or promote products
55 * derived from this software without specific prior written permission.
56 *
57 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
58 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
59 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
60 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
61 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
62 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
63 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
64 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
65 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
66 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
67 */
68
69 #include "opt_inet.h"
70 #include "opt_ns.h"
71 #include "bpfilter.h"
72
73 #include <sys/param.h>
74 #include <sys/systm.h>
75 #include <sys/mbuf.h>
76 #include <sys/socket.h>
77 #include <sys/ioctl.h>
78 #include <sys/errno.h>
79 #include <sys/syslog.h>
80 #include <sys/select.h>
81 #include <sys/device.h>
82
83 #include <net/if.h>
84 #include <net/if_dl.h>
85 #include <net/if_ether.h>
86 #include <net/if_media.h>
87
88 #ifdef INET
89 #include <netinet/in.h>
90 #include <netinet/in_systm.h>
91 #include <netinet/in_var.h>
92 #include <netinet/ip.h>
93 #include <netinet/if_inarp.h>
94 #endif
95
96 #ifdef NS
97 #include <netns/ns.h>
98 #include <netns/ns_if.h>
99 #endif
100
101 #if NBPFILTER > 0
102 #include <net/bpf.h>
103 #include <net/bpfdesc.h>
104 #endif
105
106 #include <machine/cpu.h>
107 #include <machine/bus.h>
108 #include <machine/intr.h>
109
110 #include <dev/mii/miivar.h>
111
112 #include <dev/ic/elink3var.h>
113 #include <dev/ic/elink3reg.h>
114
115 #include <dev/pcmcia/pcmciareg.h>
116 #include <dev/pcmcia/pcmciavar.h>
117 #include <dev/pcmcia/pcmciadevs.h>
118
119 int ep_pcmcia_match __P((struct device *, struct cfdata *, void *));
120 void ep_pcmcia_attach __P((struct device *, struct device *, void *));
121
122 int ep_pcmcia_get_enaddr __P((struct pcmcia_tuple *, void *));
123 int ep_pcmcia_enable __P((struct ep_softc *));
124 void ep_pcmcia_disable __P((struct ep_softc *));
125
126 int ep_pcmcia_enable1 __P((struct ep_softc *));
127 void ep_pcmcia_disable1 __P((struct ep_softc *));
128
129 struct ep_pcmcia_softc {
130 struct ep_softc sc_ep; /* real "ep" softc */
131
132 /* PCMCIA-specific goo */
133 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */
134 int sc_io_window; /* our i/o window */
135 struct pcmcia_function *sc_pf; /* our PCMCIA function */
136 };
137
138 struct cfattach ep_pcmcia_ca = {
139 sizeof(struct ep_pcmcia_softc), ep_pcmcia_match, ep_pcmcia_attach
140 };
141
142 struct ep_pcmcia_product {
143 u_int32_t epp_product; /* PCMCIA product ID */
144 u_short epp_chipset; /* 3Com chipset used */
145 int epp_flags; /* initial softc flags */
146 int epp_expfunc; /* expected function */
147 const char *epp_name; /* device name */
148 } ep_pcmcia_products[] = {
149 { PCMCIA_PRODUCT_3COM_3C562, EP_CHIPSET_3C509,
150 0, 0,
151 PCMCIA_STR_3COM_3C562 },
152 { PCMCIA_PRODUCT_3COM_3C589, EP_CHIPSET_3C509,
153 0, 0,
154 PCMCIA_STR_3COM_3C589 },
155
156 { 0, 0,
157 0, 0,
158 NULL },
159 };
160
161 struct ep_pcmcia_product *ep_pcmcia_lookup __P((struct pcmcia_attach_args *));
162
163 struct ep_pcmcia_product *
164 ep_pcmcia_lookup(pa)
165 struct pcmcia_attach_args *pa;
166 {
167 struct ep_pcmcia_product *epp;
168
169 for (epp = ep_pcmcia_products; epp->epp_name != NULL; epp++)
170 if (pa->product == epp->epp_product &&
171 pa->pf->number == epp->epp_expfunc)
172 return (epp);
173
174 return (NULL);
175 }
176
177 int
178 ep_pcmcia_match(parent, match, aux)
179 struct device *parent;
180 struct cfdata *match;
181 void *aux;
182 {
183 struct pcmcia_attach_args *pa = aux;
184
185 if (pa->manufacturer != PCMCIA_VENDOR_3COM)
186 return (0);
187
188 if (ep_pcmcia_lookup(pa) != NULL)
189 return (1);
190
191 return (0);
192 }
193
194 int
195 ep_pcmcia_enable(sc)
196 struct ep_softc *sc;
197 {
198 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
199 struct pcmcia_function *pf = psc->sc_pf;
200
201 /* establish the interrupt. */
202 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, epintr, sc);
203 if (sc->sc_ih == NULL) {
204 printf("%s: couldn't establish interrupt\n",
205 sc->sc_dev.dv_xname);
206 return (1);
207 }
208
209 return (ep_pcmcia_enable1(sc));
210 }
211
212 int
213 ep_pcmcia_enable1(sc)
214 struct ep_softc *sc;
215 {
216 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
217 struct pcmcia_function *pf = psc->sc_pf;
218 int ret;
219
220 if ((ret = pcmcia_function_enable(pf)))
221 return (ret);
222
223 if (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) {
224 int reg;
225
226 /* turn off the serial-disable bit */
227
228 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION);
229 if (reg & 0x08) {
230 reg &= ~0x08;
231 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg);
232 }
233
234 }
235
236 return (ret);
237 }
238
239 void
240 ep_pcmcia_disable(sc)
241 struct ep_softc *sc;
242 {
243 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
244
245 ep_pcmcia_disable1(sc);
246 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih);
247 }
248
249 void
250 ep_pcmcia_disable1(sc)
251 struct ep_softc *sc;
252 {
253 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
254
255 pcmcia_function_disable(psc->sc_pf);
256 }
257
258 void
259 ep_pcmcia_attach(parent, self, aux)
260 struct device *parent, *self;
261 void *aux;
262 {
263 struct ep_pcmcia_softc *psc = (void *) self;
264 struct ep_softc *sc = &psc->sc_ep;
265 struct pcmcia_attach_args *pa = aux;
266 struct pcmcia_config_entry *cfe;
267 struct ep_pcmcia_product *epp;
268 u_int8_t myla[ETHER_ADDR_LEN];
269 u_int8_t *enaddr;
270 int i;
271
272 psc->sc_pf = pa->pf;
273 cfe = pa->pf->cfe_head.sqh_first;
274
275 /* Enable the card. */
276 pcmcia_function_init(pa->pf, cfe);
277 if (ep_pcmcia_enable1(sc))
278 printf(": function enable failed\n");
279
280 sc->enabled = 1;
281
282 if (cfe->num_memspace != 0)
283 printf(": unexpected number of memory spaces %d should be 0\n",
284 cfe->num_memspace);
285
286 if (cfe->num_iospace != 1)
287 printf(": unexpected number of I/O spaces %d should be 1\n",
288 cfe->num_iospace);
289
290 if (pa->product == PCMCIA_PRODUCT_3COM_3C562) {
291 bus_addr_t maxaddr = (pa->pf->sc->iobase + pa->pf->sc->iosize);
292
293 for (i = pa->pf->sc->iobase; i < maxaddr; i += 0x10) {
294 /*
295 * the 3c562 can only use 0x??00-0x??7f
296 * according to the Linux driver
297 */
298 if (i & 0x80)
299 continue;
300 if (pcmcia_io_alloc(pa->pf, i, cfe->iospace[0].length,
301 0, &psc->sc_pcioh) == 0)
302 break;
303 }
304 if (i >= maxaddr) {
305 printf(": can't allocate i/o space\n");
306 return;
307 }
308 } else {
309 if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length,
310 cfe->iospace[0].length, &psc->sc_pcioh))
311 printf(": can't allocate i/o space\n");
312 }
313
314 sc->sc_iot = psc->sc_pcioh.iot;
315 sc->sc_ioh = psc->sc_pcioh.ioh;
316
317 if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ?
318 PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8), 0, cfe->iospace[0].length,
319 &psc->sc_pcioh, &psc->sc_io_window)) {
320 printf(": can't map i/o space\n");
321 return;
322 }
323 if (pa->product == PCMCIA_PRODUCT_3COM_3C562) {
324 /*
325 * 3c562a-c use this; 3c562d does it in the regular way.
326 * we might want to check the revision and produce a warning
327 * in the future.
328 */
329 if (pcmcia_scan_cis(parent, ep_pcmcia_get_enaddr, myla) != 1)
330 enaddr = NULL;
331 else
332 enaddr = myla;
333 } else {
334 enaddr = NULL;
335 }
336
337 sc->bustype = EP_BUS_PCMCIA;
338
339 epp = ep_pcmcia_lookup(pa);
340 if (epp == NULL)
341 panic("ep_pcmcia_attach: impossible");
342
343 printf(": %s\n", epp->epp_name);
344
345 sc->enable = ep_pcmcia_enable;
346 sc->disable = ep_pcmcia_disable;
347
348 epconfig(sc, epp->epp_chipset, enaddr);
349
350 sc->enabled = 0;
351
352 ep_pcmcia_disable1(sc);
353 }
354
355 int
356 ep_pcmcia_get_enaddr(tuple, arg)
357 struct pcmcia_tuple *tuple;
358 void *arg;
359 {
360 u_int8_t *myla = arg;
361 int i;
362
363 /* this is 3c562a-c magic */
364 if (tuple->code == 0x88) {
365 if (tuple->length < ETHER_ADDR_LEN)
366 return (0);
367
368 for (i = 0; i < ETHER_ADDR_LEN; i += 2) {
369 myla[i] = pcmcia_tuple_read_1(tuple, i + 1);
370 myla[i + 1] = pcmcia_tuple_read_1(tuple, i);
371 }
372
373 return (1);
374 }
375 return (0);
376 }
377