if_ep_pcmcia.c revision 1.13 1 /* $NetBSD: if_ep_pcmcia.c,v 1.13 1998/08/12 18:51:55 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 "opt_inet.h"
33 #include "opt_ns.h"
34 #include "bpfilter.h"
35
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/mbuf.h>
39 #include <sys/socket.h>
40 #include <sys/ioctl.h>
41 #include <sys/errno.h>
42 #include <sys/syslog.h>
43 #include <sys/select.h>
44 #include <sys/device.h>
45
46 #include <net/if.h>
47 #include <net/if_dl.h>
48 #include <net/if_ether.h>
49 #include <net/if_media.h>
50
51 #ifdef INET
52 #include <netinet/in.h>
53 #include <netinet/in_systm.h>
54 #include <netinet/in_var.h>
55 #include <netinet/ip.h>
56 #include <netinet/if_inarp.h>
57 #endif
58
59 #ifdef NS
60 #include <netns/ns.h>
61 #include <netns/ns_if.h>
62 #endif
63
64 #if NBPFILTER > 0
65 #include <net/bpf.h>
66 #include <net/bpfdesc.h>
67 #endif
68
69 #include <machine/cpu.h>
70 #include <machine/bus.h>
71 #include <machine/intr.h>
72
73 #include <dev/mii/miivar.h>
74
75 #include <dev/ic/elink3var.h>
76 #include <dev/ic/elink3reg.h>
77
78 #include <dev/pcmcia/pcmciareg.h>
79 #include <dev/pcmcia/pcmciavar.h>
80 #include <dev/pcmcia/pcmciadevs.h>
81
82 int ep_pcmcia_match __P((struct device *, struct cfdata *, void *));
83 void ep_pcmcia_attach __P((struct device *, struct device *, void *));
84
85 int ep_pcmcia_get_enaddr __P((struct pcmcia_tuple *, void *));
86 int ep_pcmcia_enable __P((struct ep_softc *));
87 void ep_pcmcia_disable __P((struct ep_softc *));
88
89 int ep_pcmcia_enable1 __P((struct ep_softc *));
90 void ep_pcmcia_disable1 __P((struct ep_softc *));
91
92 struct ep_pcmcia_softc {
93 struct ep_softc sc_ep; /* real "ep" softc */
94
95 /* PCMCIA-specific goo */
96 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */
97 int sc_io_window; /* our i/o window */
98 struct pcmcia_function *sc_pf; /* our PCMCIA function */
99 };
100
101 struct cfattach ep_pcmcia_ca = {
102 sizeof(struct ep_pcmcia_softc), ep_pcmcia_match, ep_pcmcia_attach
103 };
104
105 int
106 ep_pcmcia_match(parent, match, aux)
107 struct device *parent;
108 struct cfdata *match;
109 void *aux;
110 {
111 struct pcmcia_attach_args *pa = aux;
112
113 if (pa->manufacturer == PCMCIA_VENDOR_3COM) {
114 switch (pa->product) {
115 case PCMCIA_PRODUCT_3COM_3C562:
116 case PCMCIA_PRODUCT_3COM_3C589:
117 if (pa->pf->number == 0)
118 return (1);
119 }
120 }
121
122 return (0);
123 }
124
125 int
126 ep_pcmcia_enable(sc)
127 struct ep_softc *sc;
128 {
129 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
130 struct pcmcia_function *pf = psc->sc_pf;
131
132 /* establish the interrupt. */
133 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, epintr, sc);
134 if (sc->sc_ih == NULL) {
135 printf("%s: couldn't establish interrupt\n",
136 sc->sc_dev.dv_xname);
137 return (1);
138 }
139
140 return (ep_pcmcia_enable1(sc));
141 }
142
143 int
144 ep_pcmcia_enable1(sc)
145 struct ep_softc *sc;
146 {
147 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
148 struct pcmcia_function *pf = psc->sc_pf;
149 int ret;
150
151 if ((ret = pcmcia_function_enable(pf)))
152 return (ret);
153
154 if (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) {
155 int reg;
156
157 /* turn off the serial-disable bit */
158
159 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION);
160 if (reg & 0x08) {
161 reg &= ~0x08;
162 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg);
163 }
164
165 }
166
167 return (ret);
168 }
169
170 void
171 ep_pcmcia_disable(sc)
172 struct ep_softc *sc;
173 {
174 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
175
176 ep_pcmcia_disable1(sc);
177 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih);
178 }
179
180 void
181 ep_pcmcia_disable1(sc)
182 struct ep_softc *sc;
183 {
184 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
185
186 pcmcia_function_disable(psc->sc_pf);
187 }
188
189 void
190 ep_pcmcia_attach(parent, self, aux)
191 struct device *parent, *self;
192 void *aux;
193 {
194 struct ep_pcmcia_softc *psc = (void *) self;
195 struct ep_softc *sc = &psc->sc_ep;
196 struct pcmcia_attach_args *pa = aux;
197 struct pcmcia_config_entry *cfe;
198 int i;
199 u_int8_t myla[ETHER_ADDR_LEN];
200 u_int8_t *enaddr;
201 char *model;
202
203 psc->sc_pf = pa->pf;
204 cfe = pa->pf->cfe_head.sqh_first;
205
206 /* Enable the card. */
207 pcmcia_function_init(pa->pf, cfe);
208 if (ep_pcmcia_enable1(sc))
209 printf(": function enable failed\n");
210
211 sc->enabled = 1;
212
213 if (cfe->num_memspace != 0)
214 printf(": unexpected number of memory spaces %d should be 0\n",
215 cfe->num_memspace);
216
217 if (cfe->num_iospace != 1)
218 printf(": unexpected number of I/O spaces %d should be 1\n",
219 cfe->num_iospace);
220
221 if (pa->product == PCMCIA_PRODUCT_3COM_3C562) {
222 bus_addr_t maxaddr = (pa->pf->sc->iobase + pa->pf->sc->iosize);
223
224 for (i = pa->pf->sc->iobase; i < maxaddr; i += 0x10) {
225 /*
226 * the 3c562 can only use 0x??00-0x??7f
227 * according to the Linux driver
228 */
229 if (i & 0x80)
230 continue;
231 if (pcmcia_io_alloc(pa->pf, i, cfe->iospace[0].length,
232 0, &psc->sc_pcioh) == 0)
233 break;
234 }
235 if (i >= maxaddr) {
236 printf(": can't allocate i/o space\n");
237 return;
238 }
239 } else {
240 if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length,
241 cfe->iospace[0].length, &psc->sc_pcioh))
242 printf(": can't allocate i/o space\n");
243 }
244
245 sc->sc_iot = psc->sc_pcioh.iot;
246 sc->sc_ioh = psc->sc_pcioh.ioh;
247
248 if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ?
249 PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8), 0, cfe->iospace[0].length,
250 &psc->sc_pcioh, &psc->sc_io_window)) {
251 printf(": can't map i/o space\n");
252 return;
253 }
254 if (pa->product == PCMCIA_PRODUCT_3COM_3C562) {
255 /*
256 * 3c562a-c use this; 3c562d does it in the regular way.
257 * we might want to check the revision and produce a warning
258 * in the future.
259 */
260 if (pcmcia_scan_cis(parent, ep_pcmcia_get_enaddr, myla) != 1)
261 enaddr = NULL;
262 else
263 enaddr = myla;
264 } else {
265 enaddr = NULL;
266 }
267
268 sc->bustype = EP_BUS_PCMCIA;
269
270 switch (pa->product) {
271 case PCMCIA_PRODUCT_3COM_3C589:
272 model = PCMCIA_STR_3COM_3C589;
273 break;
274 case PCMCIA_PRODUCT_3COM_3C562:
275 model = PCMCIA_STR_3COM_3C562;
276 break;
277 default:
278 model = "3Com Ethernet, model unknown";
279 break;
280 }
281
282 printf(": %s\n", model);
283
284 sc->enable = ep_pcmcia_enable;
285 sc->disable = ep_pcmcia_disable;
286
287 epconfig(sc, EP_CHIPSET_3C509, enaddr);
288
289 sc->enabled = 0;
290
291 ep_pcmcia_disable1(sc);
292 }
293
294 int
295 ep_pcmcia_get_enaddr(tuple, arg)
296 struct pcmcia_tuple *tuple;
297 void *arg;
298 {
299 u_int8_t *myla = arg;
300 int i;
301
302 /* this is 3c562a-c magic */
303 if (tuple->code == 0x88) {
304 if (tuple->length < ETHER_ADDR_LEN)
305 return (0);
306
307 for (i = 0; i < ETHER_ADDR_LEN; i += 2) {
308 myla[i] = pcmcia_tuple_read_1(tuple, i + 1);
309 myla[i + 1] = pcmcia_tuple_read_1(tuple, i);
310 }
311
312 return (1);
313 }
314 return (0);
315 }
316