if_ep_pcmcia.c revision 1.7 1 /* $NetBSD: if_ep_pcmcia.c,v 1.7 1998/03/31 08:13:34 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 #ifdef __BROKEN_INDIRECT_CONFIG
82 int ep_pcmcia_match __P((struct device *, void *, void *));
83 #else
84 int ep_pcmcia_match __P((struct device *, struct cfdata *, void *));
85 #endif
86 void ep_pcmcia_attach __P((struct device *, struct device *, void *));
87
88 int ep_pcmcia_get_enaddr __P((struct pcmcia_tuple *, void *));
89 int ep_pcmcia_enable __P((struct ep_softc *));
90 void ep_pcmcia_disable __P((struct ep_softc *));
91
92 int ep_pcmcia_enable1 __P((struct ep_softc *));
93 void ep_pcmcia_disable1 __P((struct ep_softc *));
94
95 struct ep_pcmcia_softc {
96 struct ep_softc sc_ep; /* real "ep" softc */
97
98 /* PCMCIA-specific goo */
99 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */
100 int sc_io_window; /* our i/o window */
101 struct pcmcia_function *sc_pf; /* our PCMCIA function */
102 };
103
104 struct cfattach ep_pcmcia_ca = {
105 sizeof(struct ep_pcmcia_softc), ep_pcmcia_match, ep_pcmcia_attach
106 };
107
108 int
109 ep_pcmcia_match(parent, match, aux)
110 struct device *parent;
111 #ifdef __BROKEN_INDIRECT_CONFIG
112 void *match;
113 #else
114 struct cfdata *match;
115 #endif
116 void *aux;
117 {
118 struct pcmcia_attach_args *pa = aux;
119
120 if (pa->manufacturer == PCMCIA_MANUFACTURER_3COM) {
121 switch (pa->product) {
122 case PCMCIA_PRODUCT_3COM_3C562:
123 case PCMCIA_PRODUCT_3COM_3C589:
124 if (pa->pf->number == 0)
125 return (1);
126 }
127 }
128
129 return (0);
130 }
131
132 int
133 ep_pcmcia_enable(sc)
134 struct ep_softc *sc;
135 {
136 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
137 struct pcmcia_function *pf = psc->sc_pf;
138
139 /* establish the interrupt. */
140 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, epintr, sc);
141 if (sc->sc_ih == NULL) {
142 printf("%s: couldn't establish interrupt\n",
143 sc->sc_dev.dv_xname);
144 return (1);
145 }
146
147 return (ep_pcmcia_enable1(sc));
148 }
149
150 int
151 ep_pcmcia_enable1(sc)
152 struct ep_softc *sc;
153 {
154 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
155 struct pcmcia_function *pf = psc->sc_pf;
156 int ret;
157
158 if ((ret = pcmcia_function_enable(pf)))
159 return (ret);
160
161 if (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) {
162 int reg;
163
164 /* turn off the serial-disable bit */
165
166 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION);
167 if (reg & 0x08) {
168 reg &= ~0x08;
169 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg);
170 }
171
172 }
173
174 return (ret);
175 }
176
177 void
178 ep_pcmcia_disable(sc)
179 struct ep_softc *sc;
180 {
181 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
182
183 ep_pcmcia_disable1(sc);
184 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih);
185 }
186
187 void
188 ep_pcmcia_disable1(sc)
189 struct ep_softc *sc;
190 {
191 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
192
193 pcmcia_function_disable(psc->sc_pf);
194 }
195
196 void
197 ep_pcmcia_attach(parent, self, aux)
198 struct device *parent, *self;
199 void *aux;
200 {
201 struct ep_pcmcia_softc *psc = (void *) self;
202 struct ep_softc *sc = &psc->sc_ep;
203 struct pcmcia_attach_args *pa = aux;
204 struct pcmcia_config_entry *cfe;
205 int i;
206 u_int8_t myla[ETHER_ADDR_LEN];
207 u_int8_t *enaddr;
208 char *model;
209
210 psc->sc_pf = pa->pf;
211 cfe = pa->pf->cfe_head.sqh_first;
212
213 /* Enable the card. */
214 pcmcia_function_init(pa->pf, cfe);
215 if (ep_pcmcia_enable1(sc))
216 printf(": function enable failed\n");
217
218 sc->enabled = 1;
219
220 if (cfe->num_memspace != 0)
221 printf(": unexpected number of memory spaces %d should be 0\n",
222 cfe->num_memspace);
223
224 if (cfe->num_iospace != 1)
225 printf(": unexpected number of I/O spaces %d should be 1\n",
226 cfe->num_iospace);
227
228 if (pa->product == PCMCIA_PRODUCT_3COM_3C562) {
229 bus_addr_t maxaddr = (pa->pf->sc->iobase + pa->pf->sc->iosize);
230
231 for (i = pa->pf->sc->iobase; i < maxaddr; i += 0x10) {
232 /*
233 * the 3c562 can only use 0x??00-0x??7f
234 * according to the Linux driver
235 */
236 if (i & 0x80)
237 continue;
238 if (pcmcia_io_alloc(pa->pf, i, cfe->iospace[0].length,
239 0, &psc->sc_pcioh) == 0)
240 break;
241 }
242 if (i >= maxaddr) {
243 printf(": can't allocate i/o space\n");
244 return;
245 }
246 } else {
247 if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length,
248 cfe->iospace[0].length, &psc->sc_pcioh))
249 printf(": can't allocate i/o space\n");
250 }
251
252 sc->sc_iot = psc->sc_pcioh.iot;
253 sc->sc_ioh = psc->sc_pcioh.ioh;
254
255 if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ?
256 PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8), 0, cfe->iospace[0].length,
257 &psc->sc_pcioh, &psc->sc_io_window)) {
258 printf(": can't map i/o space\n");
259 return;
260 }
261 if (pa->product == PCMCIA_PRODUCT_3COM_3C562) {
262 /*
263 * 3c562a-c use this; 3c562d does it in the regular way.
264 * we might want to check the revision and produce a warning
265 * in the future.
266 */
267 if (pcmcia_scan_cis(parent, ep_pcmcia_get_enaddr, myla) != 1)
268 enaddr = NULL;
269 else
270 enaddr = myla;
271 } else {
272 enaddr = NULL;
273 }
274
275 sc->bustype = EP_BUS_PCMCIA;
276
277 switch (pa->product) {
278 case PCMCIA_PRODUCT_3COM_3C589:
279 model = "3Com 3C589 Ethernet";
280 break;
281 case PCMCIA_PRODUCT_3COM_3C562:
282 model = "3Com 3C562 Ethernet";
283 break;
284 default:
285 model = "3Com Ethernet, model unknown";
286 break;
287 }
288
289 printf(": %s\n", model);
290
291 sc->enable = ep_pcmcia_enable;
292 sc->disable = ep_pcmcia_disable;
293
294 epconfig(sc, EP_CHIPSET_3C509, enaddr);
295
296 sc->enabled = 0;
297
298 ep_pcmcia_disable1(sc);
299 }
300
301 int
302 ep_pcmcia_get_enaddr(tuple, arg)
303 struct pcmcia_tuple *tuple;
304 void *arg;
305 {
306 u_int8_t *myla = arg;
307 int i;
308
309 /* this is 3c562a-c magic */
310 if (tuple->code == 0x88) {
311 if (tuple->length < ETHER_ADDR_LEN)
312 return (0);
313
314 for (i = 0; i < ETHER_ADDR_LEN; i += 2) {
315 myla[i] = pcmcia_tuple_read_1(tuple, i + 1);
316 myla[i + 1] = pcmcia_tuple_read_1(tuple, i);
317 }
318
319 return (1);
320 }
321 return (0);
322 }
323