if_sm_pcmcia.c revision 1.26 1 /* $NetBSD: if_sm_pcmcia.c,v 1.26 2001/11/13 07:26:33 lukem Exp $ */
2
3 /*-
4 * Copyright (c) 1997, 1998, 2000 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 * NASA Ames Research Center.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40 #include <sys/cdefs.h>
41 __KERNEL_RCSID(0, "$NetBSD: if_sm_pcmcia.c,v 1.26 2001/11/13 07:26:33 lukem Exp $");
42
43 #include <sys/param.h>
44 #include <sys/systm.h>
45 #include <sys/mbuf.h>
46 #include <sys/socket.h>
47 #include <sys/ioctl.h>
48 #include <sys/errno.h>
49 #include <sys/syslog.h>
50 #include <sys/select.h>
51 #include <sys/device.h>
52
53 #include <net/if.h>
54 #include <net/if_dl.h>
55 #include <net/if_ether.h>
56 #include <net/if_media.h>
57
58 #include <machine/intr.h>
59 #include <machine/bus.h>
60
61 #include <dev/mii/mii.h>
62 #include <dev/mii/miivar.h>
63
64 #include <dev/ic/smc91cxxreg.h>
65 #include <dev/ic/smc91cxxvar.h>
66
67 #include <dev/pcmcia/pcmciareg.h>
68 #include <dev/pcmcia/pcmciavar.h>
69 #include <dev/pcmcia/pcmciadevs.h>
70
71 int sm_pcmcia_match __P((struct device *, struct cfdata *, void *));
72 void sm_pcmcia_attach __P((struct device *, struct device *, void *));
73 int sm_pcmcia_detach __P((struct device *, int));
74
75 struct sm_pcmcia_softc {
76 struct smc91cxx_softc sc_smc; /* real "smc" softc */
77
78 /* PCMCIA-specific goo. */
79 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */
80 int sc_io_window; /* our i/o window */
81 void *sc_ih; /* interrupt cookie */
82 struct pcmcia_function *sc_pf; /* our PCMCIA function */
83 };
84
85 struct cfattach sm_pcmcia_ca = {
86 sizeof(struct sm_pcmcia_softc), sm_pcmcia_match, sm_pcmcia_attach,
87 sm_pcmcia_detach, smc91cxx_activate
88 };
89
90 int sm_pcmcia_enable __P((struct smc91cxx_softc *));
91 void sm_pcmcia_disable __P((struct smc91cxx_softc *));
92
93 int sm_pcmcia_ascii_enaddr __P((const char *, u_int8_t *));
94 int sm_pcmcia_funce_enaddr __P((struct device *, u_int8_t *));
95
96 int sm_pcmcia_lannid_ciscallback __P((struct pcmcia_tuple *, void *));
97
98 const struct pcmcia_product sm_pcmcia_products[] = {
99 { PCMCIA_STR_MEGAHERTZ2_XJACK, PCMCIA_VENDOR_MEGAHERTZ2,
100 PCMCIA_PRODUCT_MEGAHERTZ2_XJACK, 0, },
101
102 { PCMCIA_STR_NEWMEDIA_BASICS, PCMCIA_VENDOR_NEWMEDIA,
103 PCMCIA_PRODUCT_NEWMEDIA_BASICS, 0, },
104
105 #if 0
106 { PCMCIA_STR_SMC_8020BT, PCMCIA_VENDOR_SMC,
107 PCMCIA_PRODUCT_SMC_8020BT, 0, },
108 #endif
109 { PCMCIA_STR_PSION_GOLDCARD, PCMCIA_VENDOR_PSION,
110 PCMCIA_PRODUCT_PSION_GOLDCARD, 0, },
111
112 { NULL }
113 };
114
115 int
116 sm_pcmcia_match(parent, match, aux)
117 struct device *parent;
118 struct cfdata *match;
119 void *aux;
120 {
121 struct pcmcia_attach_args *pa = aux;
122
123 if (pcmcia_product_lookup(pa, sm_pcmcia_products,
124 sizeof sm_pcmcia_products[0], NULL) != NULL)
125 return (1);
126 return (0);
127 }
128
129 void
130 sm_pcmcia_attach(parent, self, aux)
131 struct device *parent, *self;
132 void *aux;
133 {
134 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self;
135 struct smc91cxx_softc *sc = &psc->sc_smc;
136 struct pcmcia_attach_args *pa = aux;
137 struct pcmcia_config_entry *cfe;
138 u_int8_t myla[ETHER_ADDR_LEN], *enaddr = NULL;
139 const struct pcmcia_product *pp;
140
141 psc->sc_pf = pa->pf;
142 cfe = pa->pf->cfe_head.sqh_first;
143
144 /* Enable the card. */
145 pcmcia_function_init(pa->pf, cfe);
146 if (pcmcia_function_enable(pa->pf)) {
147 printf(": function enable failed\n");
148 goto enable_failed;
149 }
150
151 /* XXX sanity check number of mem and i/o spaces */
152
153 /* Allocate and map i/o space for the card. */
154 if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length,
155 cfe->iospace[0].length, &psc->sc_pcioh)) {
156 printf(": can't allocate i/o space\n");
157 goto ioalloc_failed;
158 }
159
160 sc->sc_bst = psc->sc_pcioh.iot;
161 sc->sc_bsh = psc->sc_pcioh.ioh;
162
163 sc->sc_enable = sm_pcmcia_enable;
164 sc->sc_disable = sm_pcmcia_disable;
165
166 if (pcmcia_io_map(pa->pf, (cfe->flags & PCMCIA_CFE_IO16) ?
167 PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8, 0, cfe->iospace[0].length,
168 &psc->sc_pcioh, &psc->sc_io_window)) {
169 printf(": can't map i/o space\n");
170 goto iomap_failed;
171 }
172
173 pp = pcmcia_product_lookup(pa, sm_pcmcia_products,
174 sizeof sm_pcmcia_products[0], NULL);
175 if (pp == NULL)
176 panic("sm_pcmcia_attach: impossible");
177
178 printf(": %s\n", pp->pp_name);
179
180 /*
181 * First try to get the Ethernet address from FUNCE/LANNID tuple.
182 */
183 if (sm_pcmcia_funce_enaddr(parent, myla))
184 enaddr = myla;
185
186 /*
187 * If that failed, try one of the CIS info strings.
188 */
189 if (enaddr == NULL) {
190 char *cisstr = NULL;
191
192 switch (pa->manufacturer) {
193 case PCMCIA_VENDOR_MEGAHERTZ:
194 case PCMCIA_VENDOR_MEGAHERTZ2:
195 cisstr = pa->pf->sc->card.cis1_info[3];
196 break;
197
198 case PCMCIA_VENDOR_SMC:
199 cisstr = pa->pf->sc->card.cis1_info[2];
200 break;
201 }
202
203 if (cisstr != NULL && sm_pcmcia_ascii_enaddr(cisstr, myla))
204 enaddr = myla;
205 }
206
207 if (enaddr == NULL)
208 printf("%s: unable to get Ethernet address\n",
209 sc->sc_dev.dv_xname);
210
211 /* Perform generic intialization. */
212 smc91cxx_attach(sc, enaddr);
213
214 pcmcia_function_disable(pa->pf);
215 return;
216
217 iomap_failed:
218 /* Free our i/o space. */
219 pcmcia_io_free(pa->pf, &psc->sc_pcioh);
220
221 ioalloc_failed:
222 /* Disable the device */
223 pcmcia_function_disable(pa->pf);
224
225 enable_failed:
226 psc->sc_io_window = -1;
227 }
228
229 int
230 sm_pcmcia_detach(self, flags)
231 struct device *self;
232 int flags;
233 {
234 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self;
235 int rv;
236
237 if (psc->sc_io_window == -1)
238 /* Nothing to detach. */
239 return (0);
240
241 rv = smc91cxx_detach((struct device *)&psc->sc_smc, flags);
242 if (rv != 0)
243 return (rv);
244
245 /* Unmap our i/o window. */
246 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
247
248 /* Free our i/o space. */
249 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
250 return (0);
251 }
252
253 int
254 sm_pcmcia_ascii_enaddr(cisstr, myla)
255 const char *cisstr;
256 u_int8_t *myla;
257 {
258 u_int8_t digit;
259 int i;
260
261 memset(myla, 0, ETHER_ADDR_LEN);
262
263 for (i = 0, digit = 0; i < (ETHER_ADDR_LEN * 2); i++) {
264 if (cisstr[i] >= '0' && cisstr[i] <= '9')
265 digit |= cisstr[i] - '0';
266 else if (cisstr[i] >= 'a' && cisstr[i] <= 'f')
267 digit |= (cisstr[i] - 'a') + 10;
268 else if (cisstr[i] >= 'A' && cisstr[i] <= 'F')
269 digit |= (cisstr[i] - 'A') + 10;
270 else {
271 /* Bogus digit!! */
272 return (0);
273 }
274
275 /* Compensate for ordering of digits. */
276 if (i & 1) {
277 myla[i >> 1] = digit;
278 digit = 0;
279 } else
280 digit <<= 4;
281 }
282
283 return (1);
284 }
285
286 int
287 sm_pcmcia_funce_enaddr(parent, myla)
288 struct device *parent;
289 u_int8_t *myla;
290 {
291
292 return (pcmcia_scan_cis(parent, sm_pcmcia_lannid_ciscallback, myla));
293 }
294
295 int
296 sm_pcmcia_lannid_ciscallback(tuple, arg)
297 struct pcmcia_tuple *tuple;
298 void *arg;
299 {
300 u_int8_t *myla = arg;
301 int i;
302
303 if (tuple->code == PCMCIA_CISTPL_FUNCE
304 || tuple->code == PCMCIA_CISTPL_SPCL) {
305 /* subcode, length */
306 if (tuple->length < 2)
307 return (0);
308
309 if ((pcmcia_tuple_read_1(tuple, 0) !=
310 PCMCIA_TPLFE_TYPE_LAN_NID) ||
311 (pcmcia_tuple_read_1(tuple, 1) != ETHER_ADDR_LEN))
312 return (0);
313
314 for (i = 0; i < ETHER_ADDR_LEN; i++)
315 myla[i] = pcmcia_tuple_read_1(tuple, i + 2);
316 return (1);
317 }
318 return (0);
319 }
320
321 int
322 sm_pcmcia_enable(sc)
323 struct smc91cxx_softc *sc;
324 {
325 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc;
326 int rv;
327
328 rv = pcmcia_function_enable(psc->sc_pf);
329 if (rv != 0)
330 return (rv);
331
332 /* Establish the interrupt handler. */
333 psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, smc91cxx_intr,
334 sc);
335 if (psc->sc_ih == NULL) {
336 printf("%s: couldn't establish interrupt handler\n",
337 sc->sc_dev.dv_xname);
338 return (1);
339 }
340 return (0);
341 }
342
343 void
344 sm_pcmcia_disable(sc)
345 struct smc91cxx_softc *sc;
346 {
347 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc;
348
349 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
350 pcmcia_function_disable(psc->sc_pf);
351 }
352