if_ep_pcmcia.c revision 1.11 1 /* $NetBSD: if_ep_pcmcia.c,v 1.11 1998/07/19 17:28:16 christos 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 #include <dev/pcmcia/pcmciadevs.h>
79
80 int ep_pcmcia_match __P((struct device *, struct cfdata *, void *));
81 void ep_pcmcia_attach __P((struct device *, struct device *, void *));
82
83 int ep_pcmcia_get_enaddr __P((struct pcmcia_tuple *, void *));
84 int ep_pcmcia_enable __P((struct ep_softc *));
85 void ep_pcmcia_disable __P((struct ep_softc *));
86
87 int ep_pcmcia_enable1 __P((struct ep_softc *));
88 void ep_pcmcia_disable1 __P((struct ep_softc *));
89
90 struct ep_pcmcia_softc {
91 struct ep_softc sc_ep; /* real "ep" softc */
92
93 /* PCMCIA-specific goo */
94 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */
95 int sc_io_window; /* our i/o window */
96 struct pcmcia_function *sc_pf; /* our PCMCIA function */
97 };
98
99 struct cfattach ep_pcmcia_ca = {
100 sizeof(struct ep_pcmcia_softc), ep_pcmcia_match, ep_pcmcia_attach
101 };
102
103 int
104 ep_pcmcia_match(parent, match, aux)
105 struct device *parent;
106 struct cfdata *match;
107 void *aux;
108 {
109 struct pcmcia_attach_args *pa = aux;
110
111 if (pa->manufacturer == PCMCIA_VENDOR_3COM) {
112 switch (pa->product) {
113 case PCMCIA_PRODUCT_3COM_3C562:
114 case PCMCIA_PRODUCT_3COM_3C589:
115 if (pa->pf->number == 0)
116 return (1);
117 }
118 }
119
120 return (0);
121 }
122
123 int
124 ep_pcmcia_enable(sc)
125 struct ep_softc *sc;
126 {
127 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
128 struct pcmcia_function *pf = psc->sc_pf;
129
130 /* establish the interrupt. */
131 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, epintr, sc);
132 if (sc->sc_ih == NULL) {
133 printf("%s: couldn't establish interrupt\n",
134 sc->sc_dev.dv_xname);
135 return (1);
136 }
137
138 return (ep_pcmcia_enable1(sc));
139 }
140
141 int
142 ep_pcmcia_enable1(sc)
143 struct ep_softc *sc;
144 {
145 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
146 struct pcmcia_function *pf = psc->sc_pf;
147 int ret;
148
149 if ((ret = pcmcia_function_enable(pf)))
150 return (ret);
151
152 if (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) {
153 int reg;
154
155 /* turn off the serial-disable bit */
156
157 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION);
158 if (reg & 0x08) {
159 reg &= ~0x08;
160 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg);
161 }
162
163 }
164
165 return (ret);
166 }
167
168 void
169 ep_pcmcia_disable(sc)
170 struct ep_softc *sc;
171 {
172 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
173
174 ep_pcmcia_disable1(sc);
175 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih);
176 }
177
178 void
179 ep_pcmcia_disable1(sc)
180 struct ep_softc *sc;
181 {
182 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
183
184 pcmcia_function_disable(psc->sc_pf);
185 }
186
187 void
188 ep_pcmcia_attach(parent, self, aux)
189 struct device *parent, *self;
190 void *aux;
191 {
192 struct ep_pcmcia_softc *psc = (void *) self;
193 struct ep_softc *sc = &psc->sc_ep;
194 struct pcmcia_attach_args *pa = aux;
195 struct pcmcia_config_entry *cfe;
196 int i;
197 u_int8_t myla[ETHER_ADDR_LEN];
198 u_int8_t *enaddr;
199 char *model;
200
201 psc->sc_pf = pa->pf;
202 cfe = pa->pf->cfe_head.sqh_first;
203
204 /* Enable the card. */
205 pcmcia_function_init(pa->pf, cfe);
206 if (ep_pcmcia_enable1(sc))
207 printf(": function enable failed\n");
208
209 sc->enabled = 1;
210
211 if (cfe->num_memspace != 0)
212 printf(": unexpected number of memory spaces %d should be 0\n",
213 cfe->num_memspace);
214
215 if (cfe->num_iospace != 1)
216 printf(": unexpected number of I/O spaces %d should be 1\n",
217 cfe->num_iospace);
218
219 if (pa->product == PCMCIA_PRODUCT_3COM_3C562) {
220 bus_addr_t maxaddr = (pa->pf->sc->iobase + pa->pf->sc->iosize);
221
222 for (i = pa->pf->sc->iobase; i < maxaddr; i += 0x10) {
223 /*
224 * the 3c562 can only use 0x??00-0x??7f
225 * according to the Linux driver
226 */
227 if (i & 0x80)
228 continue;
229 if (pcmcia_io_alloc(pa->pf, i, cfe->iospace[0].length,
230 0, &psc->sc_pcioh) == 0)
231 break;
232 }
233 if (i >= maxaddr) {
234 printf(": can't allocate i/o space\n");
235 return;
236 }
237 } else {
238 if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length,
239 cfe->iospace[0].length, &psc->sc_pcioh))
240 printf(": can't allocate i/o space\n");
241 }
242
243 sc->sc_iot = psc->sc_pcioh.iot;
244 sc->sc_ioh = psc->sc_pcioh.ioh;
245
246 if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ?
247 PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8), 0, cfe->iospace[0].length,
248 &psc->sc_pcioh, &psc->sc_io_window)) {
249 printf(": can't map i/o space\n");
250 return;
251 }
252 if (pa->product == PCMCIA_PRODUCT_3COM_3C562) {
253 /*
254 * 3c562a-c use this; 3c562d does it in the regular way.
255 * we might want to check the revision and produce a warning
256 * in the future.
257 */
258 if (pcmcia_scan_cis(parent, ep_pcmcia_get_enaddr, myla) != 1)
259 enaddr = NULL;
260 else
261 enaddr = myla;
262 } else {
263 enaddr = NULL;
264 }
265
266 sc->bustype = EP_BUS_PCMCIA;
267
268 switch (pa->product) {
269 case PCMCIA_PRODUCT_3COM_3C589:
270 model = PCMCIA_STR_3COM_3C589:
271 break;
272 case PCMCIA_PRODUCT_3COM_3C562:
273 model = PCMCIA_STR_3COM_3C562:
274 break;
275 default:
276 model = "3Com Ethernet, model unknown";
277 break;
278 }
279
280 printf(": %s\n", model);
281
282 sc->enable = ep_pcmcia_enable;
283 sc->disable = ep_pcmcia_disable;
284
285 epconfig(sc, EP_CHIPSET_3C509, enaddr);
286
287 sc->enabled = 0;
288
289 ep_pcmcia_disable1(sc);
290 }
291
292 int
293 ep_pcmcia_get_enaddr(tuple, arg)
294 struct pcmcia_tuple *tuple;
295 void *arg;
296 {
297 u_int8_t *myla = arg;
298 int i;
299
300 /* this is 3c562a-c magic */
301 if (tuple->code == 0x88) {
302 if (tuple->length < ETHER_ADDR_LEN)
303 return (0);
304
305 for (i = 0; i < ETHER_ADDR_LEN; i += 2) {
306 myla[i] = pcmcia_tuple_read_1(tuple, i + 1);
307 myla[i + 1] = pcmcia_tuple_read_1(tuple, i);
308 }
309
310 return (1);
311 }
312 return (0);
313 }
314