if_ep_pcmcia.c revision 1.8 1 /* $NetBSD: if_ep_pcmcia.c,v 1.8 1998/06/09 07:32:55 thorpej Exp $ */
2
3 /*
4 * Copyright (c) 1997 Marc Horowitz. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Marc Horowitz.
17 * 4. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include "bpfilter.h"
33
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/mbuf.h>
37 #include <sys/socket.h>
38 #include <sys/ioctl.h>
39 #include <sys/errno.h>
40 #include <sys/syslog.h>
41 #include <sys/select.h>
42 #include <sys/device.h>
43
44 #include <net/if.h>
45 #include <net/if_dl.h>
46 #include <net/if_ether.h>
47 #include <net/if_media.h>
48
49 #ifdef INET
50 #include <netinet/in.h>
51 #include <netinet/in_systm.h>
52 #include <netinet/in_var.h>
53 #include <netinet/ip.h>
54 #include <netinet/if_inarp.h>
55 #endif
56
57 #ifdef NS
58 #include <netns/ns.h>
59 #include <netns/ns_if.h>
60 #endif
61
62 #if NBPFILTER > 0
63 #include <net/bpf.h>
64 #include <net/bpfdesc.h>
65 #endif
66
67 #include <machine/cpu.h>
68 #include <machine/bus.h>
69 #include <machine/intr.h>
70
71 #include <dev/ic/elink3var.h>
72 #include <dev/ic/elink3reg.h>
73
74 #include <dev/pcmcia/pcmciareg.h>
75 #include <dev/pcmcia/pcmciavar.h>
76
77 #define PCMCIA_MANUFACTURER_3COM 0x101
78 #define PCMCIA_PRODUCT_3COM_3C562 0x562
79 #define PCMCIA_PRODUCT_3COM_3C589 0x589
80
81 int ep_pcmcia_match __P((struct device *, struct cfdata *, void *));
82 void ep_pcmcia_attach __P((struct device *, struct device *, void *));
83
84 int ep_pcmcia_get_enaddr __P((struct pcmcia_tuple *, void *));
85 int ep_pcmcia_enable __P((struct ep_softc *));
86 void ep_pcmcia_disable __P((struct ep_softc *));
87
88 int ep_pcmcia_enable1 __P((struct ep_softc *));
89 void ep_pcmcia_disable1 __P((struct ep_softc *));
90
91 struct ep_pcmcia_softc {
92 struct ep_softc sc_ep; /* real "ep" 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 struct pcmcia_function *sc_pf; /* our PCMCIA function */
98 };
99
100 struct cfattach ep_pcmcia_ca = {
101 sizeof(struct ep_pcmcia_softc), ep_pcmcia_match, ep_pcmcia_attach
102 };
103
104 int
105 ep_pcmcia_match(parent, match, aux)
106 struct device *parent;
107 struct cfdata *match;
108 void *aux;
109 {
110 struct pcmcia_attach_args *pa = aux;
111
112 if (pa->manufacturer == PCMCIA_MANUFACTURER_3COM) {
113 switch (pa->product) {
114 case PCMCIA_PRODUCT_3COM_3C562:
115 case PCMCIA_PRODUCT_3COM_3C589:
116 if (pa->pf->number == 0)
117 return (1);
118 }
119 }
120
121 return (0);
122 }
123
124 int
125 ep_pcmcia_enable(sc)
126 struct ep_softc *sc;
127 {
128 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
129 struct pcmcia_function *pf = psc->sc_pf;
130
131 /* establish the interrupt. */
132 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, epintr, sc);
133 if (sc->sc_ih == NULL) {
134 printf("%s: couldn't establish interrupt\n",
135 sc->sc_dev.dv_xname);
136 return (1);
137 }
138
139 return (ep_pcmcia_enable1(sc));
140 }
141
142 int
143 ep_pcmcia_enable1(sc)
144 struct ep_softc *sc;
145 {
146 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
147 struct pcmcia_function *pf = psc->sc_pf;
148 int ret;
149
150 if ((ret = pcmcia_function_enable(pf)))
151 return (ret);
152
153 if (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) {
154 int reg;
155
156 /* turn off the serial-disable bit */
157
158 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION);
159 if (reg & 0x08) {
160 reg &= ~0x08;
161 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg);
162 }
163
164 }
165
166 return (ret);
167 }
168
169 void
170 ep_pcmcia_disable(sc)
171 struct ep_softc *sc;
172 {
173 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
174
175 ep_pcmcia_disable1(sc);
176 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih);
177 }
178
179 void
180 ep_pcmcia_disable1(sc)
181 struct ep_softc *sc;
182 {
183 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
184
185 pcmcia_function_disable(psc->sc_pf);
186 }
187
188 void
189 ep_pcmcia_attach(parent, self, aux)
190 struct device *parent, *self;
191 void *aux;
192 {
193 struct ep_pcmcia_softc *psc = (void *) self;
194 struct ep_softc *sc = &psc->sc_ep;
195 struct pcmcia_attach_args *pa = aux;
196 struct pcmcia_config_entry *cfe;
197 int i;
198 u_int8_t myla[ETHER_ADDR_LEN];
199 u_int8_t *enaddr;
200 char *model;
201
202 psc->sc_pf = pa->pf;
203 cfe = pa->pf->cfe_head.sqh_first;
204
205 /* Enable the card. */
206 pcmcia_function_init(pa->pf, cfe);
207 if (ep_pcmcia_enable1(sc))
208 printf(": function enable failed\n");
209
210 sc->enabled = 1;
211
212 if (cfe->num_memspace != 0)
213 printf(": unexpected number of memory spaces %d should be 0\n",
214 cfe->num_memspace);
215
216 if (cfe->num_iospace != 1)
217 printf(": unexpected number of I/O spaces %d should be 1\n",
218 cfe->num_iospace);
219
220 if (pa->product == PCMCIA_PRODUCT_3COM_3C562) {
221 bus_addr_t maxaddr = (pa->pf->sc->iobase + pa->pf->sc->iosize);
222
223 for (i = pa->pf->sc->iobase; i < maxaddr; i += 0x10) {
224 /*
225 * the 3c562 can only use 0x??00-0x??7f
226 * according to the Linux driver
227 */
228 if (i & 0x80)
229 continue;
230 if (pcmcia_io_alloc(pa->pf, i, cfe->iospace[0].length,
231 0, &psc->sc_pcioh) == 0)
232 break;
233 }
234 if (i >= maxaddr) {
235 printf(": can't allocate i/o space\n");
236 return;
237 }
238 } else {
239 if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length,
240 cfe->iospace[0].length, &psc->sc_pcioh))
241 printf(": can't allocate i/o space\n");
242 }
243
244 sc->sc_iot = psc->sc_pcioh.iot;
245 sc->sc_ioh = psc->sc_pcioh.ioh;
246
247 if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ?
248 PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8), 0, cfe->iospace[0].length,
249 &psc->sc_pcioh, &psc->sc_io_window)) {
250 printf(": can't map i/o space\n");
251 return;
252 }
253 if (pa->product == PCMCIA_PRODUCT_3COM_3C562) {
254 /*
255 * 3c562a-c use this; 3c562d does it in the regular way.
256 * we might want to check the revision and produce a warning
257 * in the future.
258 */
259 if (pcmcia_scan_cis(parent, ep_pcmcia_get_enaddr, myla) != 1)
260 enaddr = NULL;
261 else
262 enaddr = myla;
263 } else {
264 enaddr = NULL;
265 }
266
267 sc->bustype = EP_BUS_PCMCIA;
268
269 switch (pa->product) {
270 case PCMCIA_PRODUCT_3COM_3C589:
271 model = "3Com 3C589 Ethernet";
272 break;
273 case PCMCIA_PRODUCT_3COM_3C562:
274 model = "3Com 3C562 Ethernet";
275 break;
276 default:
277 model = "3Com Ethernet, model unknown";
278 break;
279 }
280
281 printf(": %s\n", model);
282
283 sc->enable = ep_pcmcia_enable;
284 sc->disable = ep_pcmcia_disable;
285
286 epconfig(sc, EP_CHIPSET_3C509, enaddr);
287
288 sc->enabled = 0;
289
290 ep_pcmcia_disable1(sc);
291 }
292
293 int
294 ep_pcmcia_get_enaddr(tuple, arg)
295 struct pcmcia_tuple *tuple;
296 void *arg;
297 {
298 u_int8_t *myla = arg;
299 int i;
300
301 /* this is 3c562a-c magic */
302 if (tuple->code == 0x88) {
303 if (tuple->length < ETHER_ADDR_LEN)
304 return (0);
305
306 for (i = 0; i < ETHER_ADDR_LEN; i += 2) {
307 myla[i] = pcmcia_tuple_read_1(tuple, i + 1);
308 myla[i + 1] = pcmcia_tuple_read_1(tuple, i);
309 }
310
311 return (1);
312 }
313 return (0);
314 }
315