if_ep_pcmcia.c revision 1.29 1 /* $NetBSD: if_ep_pcmcia.c,v 1.29 2000/02/04 01:27:12 cgd Exp $ */
2
3 /*-
4 * Copyright (c) 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 /*
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 int ep_pcmcia_detach __P((struct device *, int));
122
123 int ep_pcmcia_get_enaddr __P((struct pcmcia_tuple *, void *));
124 int ep_pcmcia_enable __P((struct ep_softc *));
125 void ep_pcmcia_disable __P((struct ep_softc *));
126
127 int ep_pcmcia_enable1 __P((struct ep_softc *));
128 void ep_pcmcia_disable1 __P((struct ep_softc *));
129
130 struct ep_pcmcia_softc {
131 struct ep_softc sc_ep; /* real "ep" softc */
132
133 /* PCMCIA-specific goo */
134 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */
135 int sc_io_window; /* our i/o window */
136 struct pcmcia_function *sc_pf; /* our PCMCIA function */
137 };
138
139 struct cfattach ep_pcmcia_ca = {
140 sizeof(struct ep_pcmcia_softc), ep_pcmcia_match, ep_pcmcia_attach,
141 ep_pcmcia_detach, ep_activate
142 };
143
144 const struct ep_pcmcia_product {
145 struct pcmcia_product epp_product;
146 u_short epp_chipset; /* 3Com chipset used */
147 int epp_flags; /* initial softc flags */
148 } ep_pcmcia_products[] = {
149 { { PCMCIA_STR_3COM_3C562, PCMCIA_VENDOR_3COM,
150 PCMCIA_PRODUCT_3COM_3C562, 0 },
151 ELINK_CHIPSET_3C509, 0 },
152
153 { { PCMCIA_STR_3COM_3C589, PCMCIA_VENDOR_3COM,
154 PCMCIA_PRODUCT_3COM_3C589, 0 },
155 ELINK_CHIPSET_3C509, 0 },
156
157 { { PCMCIA_STR_3COM_3CXEM556, PCMCIA_VENDOR_3COM,
158 PCMCIA_PRODUCT_3COM_3CXEM556, 0 },
159 ELINK_CHIPSET_3C509, 0 },
160
161 { { PCMCIA_STR_3COM_3CXEM556INT, PCMCIA_VENDOR_3COM,
162 PCMCIA_PRODUCT_3COM_3CXEM556INT, 0 },
163 ELINK_CHIPSET_3C509, 0 },
164
165 { { PCMCIA_STR_3COM_3C574, PCMCIA_VENDOR_3COM,
166 PCMCIA_PRODUCT_3COM_3C574, 0 },
167 ELINK_CHIPSET_ROADRUNNER, ELINK_FLAGS_MII },
168
169 { { PCMCIA_STR_3COM_3CCFEM556BI, PCMCIA_VENDOR_3COM,
170 PCMCIA_PRODUCT_3COM_3CCFEM556BI, 0 },
171 ELINK_CHIPSET_ROADRUNNER, ELINK_FLAGS_MII },
172
173 { { NULL } }
174 };
175
176 int
177 ep_pcmcia_match(parent, match, aux)
178 struct device *parent;
179 struct cfdata *match;
180 void *aux;
181 {
182 struct pcmcia_attach_args *pa = aux;
183
184 if (pcmcia_product_lookup(pa,
185 (const struct pcmcia_product *)ep_pcmcia_products,
186 sizeof ep_pcmcia_products[0], NULL) != NULL)
187 return (1);
188
189 return (0);
190 }
191
192 int
193 ep_pcmcia_enable(sc)
194 struct ep_softc *sc;
195 {
196 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
197 struct pcmcia_function *pf = psc->sc_pf;
198
199 /* establish the interrupt. */
200 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, epintr, sc);
201 if (sc->sc_ih == NULL) {
202 printf("%s: couldn't establish interrupt\n",
203 sc->sc_dev.dv_xname);
204 return (1);
205 }
206
207 return (ep_pcmcia_enable1(sc));
208 }
209
210 int
211 ep_pcmcia_enable1(sc)
212 struct ep_softc *sc;
213 {
214 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
215 struct pcmcia_function *pf = psc->sc_pf;
216 int ret;
217
218 if ((ret = pcmcia_function_enable(pf)))
219 return (ret);
220
221 if ((psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) ||
222 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556) ||
223 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556INT)) {
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 if (sc->sc_ih != NULL)
247 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih);
248 sc->sc_ih = NULL;
249 }
250
251 void
252 ep_pcmcia_disable1(sc)
253 struct ep_softc *sc;
254 {
255 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
256
257 pcmcia_function_disable(psc->sc_pf);
258 }
259
260 void
261 ep_pcmcia_attach(parent, self, aux)
262 struct device *parent, *self;
263 void *aux;
264 {
265 struct ep_pcmcia_softc *psc = (void *) self;
266 struct ep_softc *sc = &psc->sc_ep;
267 struct pcmcia_attach_args *pa = aux;
268 struct pcmcia_config_entry *cfe;
269 const struct ep_pcmcia_product *epp;
270 u_int8_t myla[ETHER_ADDR_LEN];
271 u_int8_t *enaddr = NULL;
272 int i;
273
274 psc->sc_pf = pa->pf;
275 cfe = pa->pf->cfe_head.sqh_first;
276
277 /* Enable the card. */
278 pcmcia_function_init(pa->pf, cfe);
279 if (ep_pcmcia_enable1(sc))
280 printf(": function enable failed\n");
281
282 sc->enabled = 1;
283
284 if (cfe->num_memspace != 0)
285 printf(": unexpected number of memory spaces %d should be 0\n",
286 cfe->num_memspace);
287
288 if (cfe->num_iospace != 1)
289 printf(": unexpected number of I/O spaces %d should be 1\n",
290 cfe->num_iospace);
291
292 if (pa->product == PCMCIA_PRODUCT_3COM_3C562) {
293 bus_addr_t maxaddr = (pa->pf->sc->iobase + pa->pf->sc->iosize);
294
295 for (i = pa->pf->sc->iobase; i < maxaddr; i += 0x10) {
296 /*
297 * the 3c562 can only use 0x??00-0x??7f
298 * according to the Linux driver
299 */
300 if (i & 0x80)
301 continue;
302 if (pcmcia_io_alloc(pa->pf, i, cfe->iospace[0].length,
303 0, &psc->sc_pcioh) == 0)
304 break;
305 }
306 if (i >= maxaddr) {
307 printf(": can't allocate i/o space\n");
308 return;
309 }
310 } else {
311 if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length,
312 cfe->iospace[0].length, &psc->sc_pcioh))
313 printf(": can't allocate i/o space\n");
314 }
315
316 sc->sc_iot = psc->sc_pcioh.iot;
317 sc->sc_ioh = psc->sc_pcioh.ioh;
318
319 if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ?
320 PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8), 0, cfe->iospace[0].length,
321 &psc->sc_pcioh, &psc->sc_io_window)) {
322 printf(": can't map i/o space\n");
323 return;
324 }
325
326 switch (pa->product) {
327 case PCMCIA_PRODUCT_3COM_3C562:
328 /*
329 * 3c562a-c use this; 3c562d does it in the regular way.
330 * we might want to check the revision and produce a warning
331 * in the future.
332 */
333 /* FALLTHROUGH */
334 case PCMCIA_PRODUCT_3COM_3C574:
335 case PCMCIA_PRODUCT_3COM_3CCFEM556BI:
336 /*
337 * Apparently, some 3c574s do it this way, as well.
338 */
339 if (pcmcia_scan_cis(parent, ep_pcmcia_get_enaddr, myla))
340 enaddr = myla;
341 break;
342 }
343
344 epp = (const struct ep_pcmcia_product *)pcmcia_product_lookup(pa,
345 (const struct pcmcia_product *)ep_pcmcia_products,
346 sizeof ep_pcmcia_products[0], NULL);
347 if (epp == NULL)
348 panic("ep_pcmcia_attach: impossible");
349
350 printf(": %s\n", epp->epp_product.pp_name);
351
352 sc->bustype = ELINK_BUS_PCMCIA;
353 sc->ep_flags = epp->epp_flags;
354
355 sc->enable = ep_pcmcia_enable;
356 sc->disable = ep_pcmcia_disable;
357
358 epconfig(sc, epp->epp_chipset, enaddr);
359
360 sc->enabled = 0;
361
362 ep_pcmcia_disable1(sc);
363 }
364
365 int
366 ep_pcmcia_detach(self, flags)
367 struct device *self;
368 int flags;
369 {
370 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *)self;
371 int rv;
372
373 rv = ep_detach(self, flags);
374 if (rv)
375 return (rv);
376
377 /* Unmap our i/o window. */
378 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
379
380 /* Free our i/o space. */
381 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
382
383 return (0);
384 }
385
386 int
387 ep_pcmcia_get_enaddr(tuple, arg)
388 struct pcmcia_tuple *tuple;
389 void *arg;
390 {
391 u_int8_t *myla = arg;
392 int i;
393
394 /* this is 3c562a-c magic */
395 if (tuple->code == 0x88) {
396 if (tuple->length < ETHER_ADDR_LEN)
397 return (0);
398
399 for (i = 0; i < ETHER_ADDR_LEN; i += 2) {
400 myla[i] = pcmcia_tuple_read_1(tuple, i + 1);
401 myla[i + 1] = pcmcia_tuple_read_1(tuple, i);
402 }
403
404 return (1);
405 }
406 return (0);
407 }
408