if_ep_pcmcia.c revision 1.10 1 /* $NetBSD: if_ep_pcmcia.c,v 1.10 1998/07/05 06:49:16 jonathan 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/ic/elink3var.h>
74 #include <dev/ic/elink3reg.h>
75
76 #include <dev/pcmcia/pcmciareg.h>
77 #include <dev/pcmcia/pcmciavar.h>
78
79 #define PCMCIA_MANUFACTURER_3COM 0x101
80 #define PCMCIA_PRODUCT_3COM_3C562 0x562
81 #define PCMCIA_PRODUCT_3COM_3C589 0x589
82
83 int ep_pcmcia_match __P((struct device *, struct cfdata *, void *));
84 void ep_pcmcia_attach __P((struct device *, struct device *, void *));
85
86 int ep_pcmcia_get_enaddr __P((struct pcmcia_tuple *, void *));
87 int ep_pcmcia_enable __P((struct ep_softc *));
88 void ep_pcmcia_disable __P((struct ep_softc *));
89
90 int ep_pcmcia_enable1 __P((struct ep_softc *));
91 void ep_pcmcia_disable1 __P((struct ep_softc *));
92
93 struct ep_pcmcia_softc {
94 struct ep_softc sc_ep; /* real "ep" softc */
95
96 /* PCMCIA-specific goo */
97 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */
98 int sc_io_window; /* our i/o window */
99 struct pcmcia_function *sc_pf; /* our PCMCIA function */
100 };
101
102 struct cfattach ep_pcmcia_ca = {
103 sizeof(struct ep_pcmcia_softc), ep_pcmcia_match, ep_pcmcia_attach
104 };
105
106 int
107 ep_pcmcia_match(parent, match, aux)
108 struct device *parent;
109 struct cfdata *match;
110 void *aux;
111 {
112 struct pcmcia_attach_args *pa = aux;
113
114 if (pa->manufacturer == PCMCIA_MANUFACTURER_3COM) {
115 switch (pa->product) {
116 case PCMCIA_PRODUCT_3COM_3C562:
117 case PCMCIA_PRODUCT_3COM_3C589:
118 if (pa->pf->number == 0)
119 return (1);
120 }
121 }
122
123 return (0);
124 }
125
126 int
127 ep_pcmcia_enable(sc)
128 struct ep_softc *sc;
129 {
130 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
131 struct pcmcia_function *pf = psc->sc_pf;
132
133 /* establish the interrupt. */
134 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, epintr, sc);
135 if (sc->sc_ih == NULL) {
136 printf("%s: couldn't establish interrupt\n",
137 sc->sc_dev.dv_xname);
138 return (1);
139 }
140
141 return (ep_pcmcia_enable1(sc));
142 }
143
144 int
145 ep_pcmcia_enable1(sc)
146 struct ep_softc *sc;
147 {
148 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
149 struct pcmcia_function *pf = psc->sc_pf;
150 int ret;
151
152 if ((ret = pcmcia_function_enable(pf)))
153 return (ret);
154
155 if (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) {
156 int reg;
157
158 /* turn off the serial-disable bit */
159
160 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION);
161 if (reg & 0x08) {
162 reg &= ~0x08;
163 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg);
164 }
165
166 }
167
168 return (ret);
169 }
170
171 void
172 ep_pcmcia_disable(sc)
173 struct ep_softc *sc;
174 {
175 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
176
177 ep_pcmcia_disable1(sc);
178 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih);
179 }
180
181 void
182 ep_pcmcia_disable1(sc)
183 struct ep_softc *sc;
184 {
185 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
186
187 pcmcia_function_disable(psc->sc_pf);
188 }
189
190 void
191 ep_pcmcia_attach(parent, self, aux)
192 struct device *parent, *self;
193 void *aux;
194 {
195 struct ep_pcmcia_softc *psc = (void *) self;
196 struct ep_softc *sc = &psc->sc_ep;
197 struct pcmcia_attach_args *pa = aux;
198 struct pcmcia_config_entry *cfe;
199 int i;
200 u_int8_t myla[ETHER_ADDR_LEN];
201 u_int8_t *enaddr;
202 char *model;
203
204 psc->sc_pf = pa->pf;
205 cfe = pa->pf->cfe_head.sqh_first;
206
207 /* Enable the card. */
208 pcmcia_function_init(pa->pf, cfe);
209 if (ep_pcmcia_enable1(sc))
210 printf(": function enable failed\n");
211
212 sc->enabled = 1;
213
214 if (cfe->num_memspace != 0)
215 printf(": unexpected number of memory spaces %d should be 0\n",
216 cfe->num_memspace);
217
218 if (cfe->num_iospace != 1)
219 printf(": unexpected number of I/O spaces %d should be 1\n",
220 cfe->num_iospace);
221
222 if (pa->product == PCMCIA_PRODUCT_3COM_3C562) {
223 bus_addr_t maxaddr = (pa->pf->sc->iobase + pa->pf->sc->iosize);
224
225 for (i = pa->pf->sc->iobase; i < maxaddr; i += 0x10) {
226 /*
227 * the 3c562 can only use 0x??00-0x??7f
228 * according to the Linux driver
229 */
230 if (i & 0x80)
231 continue;
232 if (pcmcia_io_alloc(pa->pf, i, cfe->iospace[0].length,
233 0, &psc->sc_pcioh) == 0)
234 break;
235 }
236 if (i >= maxaddr) {
237 printf(": can't allocate i/o space\n");
238 return;
239 }
240 } else {
241 if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length,
242 cfe->iospace[0].length, &psc->sc_pcioh))
243 printf(": can't allocate i/o space\n");
244 }
245
246 sc->sc_iot = psc->sc_pcioh.iot;
247 sc->sc_ioh = psc->sc_pcioh.ioh;
248
249 if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ?
250 PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8), 0, cfe->iospace[0].length,
251 &psc->sc_pcioh, &psc->sc_io_window)) {
252 printf(": can't map i/o space\n");
253 return;
254 }
255 if (pa->product == PCMCIA_PRODUCT_3COM_3C562) {
256 /*
257 * 3c562a-c use this; 3c562d does it in the regular way.
258 * we might want to check the revision and produce a warning
259 * in the future.
260 */
261 if (pcmcia_scan_cis(parent, ep_pcmcia_get_enaddr, myla) != 1)
262 enaddr = NULL;
263 else
264 enaddr = myla;
265 } else {
266 enaddr = NULL;
267 }
268
269 sc->bustype = EP_BUS_PCMCIA;
270
271 switch (pa->product) {
272 case PCMCIA_PRODUCT_3COM_3C589:
273 model = "3Com 3C589 Ethernet";
274 break;
275 case PCMCIA_PRODUCT_3COM_3C562:
276 model = "3Com 3C562 Ethernet";
277 break;
278 default:
279 model = "3Com Ethernet, model unknown";
280 break;
281 }
282
283 printf(": %s\n", model);
284
285 sc->enable = ep_pcmcia_enable;
286 sc->disable = ep_pcmcia_disable;
287
288 epconfig(sc, EP_CHIPSET_3C509, enaddr);
289
290 sc->enabled = 0;
291
292 ep_pcmcia_disable1(sc);
293 }
294
295 int
296 ep_pcmcia_get_enaddr(tuple, arg)
297 struct pcmcia_tuple *tuple;
298 void *arg;
299 {
300 u_int8_t *myla = arg;
301 int i;
302
303 /* this is 3c562a-c magic */
304 if (tuple->code == 0x88) {
305 if (tuple->length < ETHER_ADDR_LEN)
306 return (0);
307
308 for (i = 0; i < ETHER_ADDR_LEN; i += 2) {
309 myla[i] = pcmcia_tuple_read_1(tuple, i + 1);
310 myla[i + 1] = pcmcia_tuple_read_1(tuple, i);
311 }
312
313 return (1);
314 }
315 return (0);
316 }
317