if_ep_pcmcia.c revision 1.16 1 /* $NetBSD: if_ep_pcmcia.c,v 1.16 1998/08/17 23:20:40 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 { PCMCIA_PRODUCT_3COM_3C574, EP_CHIPSET_ROADRUNNER,
157 EP_FLAGS_MII, 0,
158 PCMCIA_STR_3COM_3C574 },
159
160 { 0, 0,
161 0, 0,
162 NULL },
163 };
164
165 struct ep_pcmcia_product *ep_pcmcia_lookup __P((struct pcmcia_attach_args *));
166
167 struct ep_pcmcia_product *
168 ep_pcmcia_lookup(pa)
169 struct pcmcia_attach_args *pa;
170 {
171 struct ep_pcmcia_product *epp;
172
173 for (epp = ep_pcmcia_products; epp->epp_name != NULL; epp++)
174 if (pa->product == epp->epp_product &&
175 pa->pf->number == epp->epp_expfunc)
176 return (epp);
177
178 return (NULL);
179 }
180
181 int
182 ep_pcmcia_match(parent, match, aux)
183 struct device *parent;
184 struct cfdata *match;
185 void *aux;
186 {
187 struct pcmcia_attach_args *pa = aux;
188
189 if (pa->manufacturer != PCMCIA_VENDOR_3COM)
190 return (0);
191
192 if (ep_pcmcia_lookup(pa) != NULL)
193 return (1);
194
195 return (0);
196 }
197
198 int
199 ep_pcmcia_enable(sc)
200 struct ep_softc *sc;
201 {
202 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
203 struct pcmcia_function *pf = psc->sc_pf;
204
205 /* establish the interrupt. */
206 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, epintr, sc);
207 if (sc->sc_ih == NULL) {
208 printf("%s: couldn't establish interrupt\n",
209 sc->sc_dev.dv_xname);
210 return (1);
211 }
212
213 return (ep_pcmcia_enable1(sc));
214 }
215
216 int
217 ep_pcmcia_enable1(sc)
218 struct ep_softc *sc;
219 {
220 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
221 struct pcmcia_function *pf = psc->sc_pf;
222 int ret;
223
224 if ((ret = pcmcia_function_enable(pf)))
225 return (ret);
226
227 if (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) {
228 int reg;
229
230 /* turn off the serial-disable bit */
231
232 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION);
233 if (reg & 0x08) {
234 reg &= ~0x08;
235 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg);
236 }
237
238 }
239
240 return (ret);
241 }
242
243 void
244 ep_pcmcia_disable(sc)
245 struct ep_softc *sc;
246 {
247 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
248
249 ep_pcmcia_disable1(sc);
250 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih);
251 }
252
253 void
254 ep_pcmcia_disable1(sc)
255 struct ep_softc *sc;
256 {
257 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
258
259 pcmcia_function_disable(psc->sc_pf);
260 }
261
262 void
263 ep_pcmcia_attach(parent, self, aux)
264 struct device *parent, *self;
265 void *aux;
266 {
267 struct ep_pcmcia_softc *psc = (void *) self;
268 struct ep_softc *sc = &psc->sc_ep;
269 struct pcmcia_attach_args *pa = aux;
270 struct pcmcia_config_entry *cfe;
271 struct ep_pcmcia_product *epp;
272 u_int8_t myla[ETHER_ADDR_LEN];
273 u_int8_t *enaddr = NULL;
274 int i;
275
276 psc->sc_pf = pa->pf;
277 cfe = pa->pf->cfe_head.sqh_first;
278
279 /* Enable the card. */
280 pcmcia_function_init(pa->pf, cfe);
281 if (ep_pcmcia_enable1(sc))
282 printf(": function enable failed\n");
283
284 sc->enabled = 1;
285
286 if (cfe->num_memspace != 0)
287 printf(": unexpected number of memory spaces %d should be 0\n",
288 cfe->num_memspace);
289
290 if (cfe->num_iospace != 1)
291 printf(": unexpected number of I/O spaces %d should be 1\n",
292 cfe->num_iospace);
293
294 if (pa->product == PCMCIA_PRODUCT_3COM_3C562) {
295 bus_addr_t maxaddr = (pa->pf->sc->iobase + pa->pf->sc->iosize);
296
297 for (i = pa->pf->sc->iobase; i < maxaddr; i += 0x10) {
298 /*
299 * the 3c562 can only use 0x??00-0x??7f
300 * according to the Linux driver
301 */
302 if (i & 0x80)
303 continue;
304 if (pcmcia_io_alloc(pa->pf, i, cfe->iospace[0].length,
305 0, &psc->sc_pcioh) == 0)
306 break;
307 }
308 if (i >= maxaddr) {
309 printf(": can't allocate i/o space\n");
310 return;
311 }
312 } else {
313 if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length,
314 cfe->iospace[0].length, &psc->sc_pcioh))
315 printf(": can't allocate i/o space\n");
316 }
317
318 sc->sc_iot = psc->sc_pcioh.iot;
319 sc->sc_ioh = psc->sc_pcioh.ioh;
320
321 if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ?
322 PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8), 0, cfe->iospace[0].length,
323 &psc->sc_pcioh, &psc->sc_io_window)) {
324 printf(": can't map i/o space\n");
325 return;
326 }
327
328 switch (pa->product) {
329 case PCMCIA_PRODUCT_3COM_3C562:
330 /*
331 * 3c562a-c use this; 3c562d does it in the regular way.
332 * we might want to check the revision and produce a warning
333 * in the future.
334 */
335 /* FALLTHROUGH */
336 case PCMCIA_PRODUCT_3COM_3C574:
337 /*
338 * Apparently, some 3c574s do it this way, as well.
339 */
340 if (pcmcia_scan_cis(parent, ep_pcmcia_get_enaddr, myla))
341 enaddr = myla;
342 break;
343 }
344
345 sc->bustype = EP_BUS_PCMCIA;
346
347 epp = ep_pcmcia_lookup(pa);
348 if (epp == NULL)
349 panic("ep_pcmcia_attach: impossible");
350
351 printf(": %s\n", epp->epp_name);
352
353 sc->enable = ep_pcmcia_enable;
354 sc->disable = ep_pcmcia_disable;
355
356 epconfig(sc, epp->epp_chipset, enaddr);
357
358 sc->enabled = 0;
359
360 ep_pcmcia_disable1(sc);
361 }
362
363 int
364 ep_pcmcia_get_enaddr(tuple, arg)
365 struct pcmcia_tuple *tuple;
366 void *arg;
367 {
368 u_int8_t *myla = arg;
369 int i;
370
371 /* this is 3c562a-c magic */
372 if (tuple->code == 0x88) {
373 if (tuple->length < ETHER_ADDR_LEN)
374 return (0);
375
376 for (i = 0; i < ETHER_ADDR_LEN; i += 2) {
377 myla[i] = pcmcia_tuple_read_1(tuple, i + 1);
378 myla[i + 1] = pcmcia_tuple_read_1(tuple, i);
379 }
380
381 return (1);
382 }
383 return (0);
384 }
385