if_mbe_pcmcia.c revision 1.19 1 /* $NetBSD: if_mbe_pcmcia.c,v 1.19 2000/05/15 07:57:19 enami Exp $ */
2
3 /*-
4 * Copyright (c) 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 Enami Tsugutomo.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/device.h>
42 #include <sys/socket.h>
43
44 #include <net/if.h>
45 #include <net/if_ether.h>
46 #include <net/if_media.h>
47
48 #include <machine/intr.h>
49 #include <machine/bus.h>
50
51 #include <dev/ic/mb86960reg.h>
52 #include <dev/ic/mb86960var.h>
53
54 #include <dev/pcmcia/pcmciareg.h>
55 #include <dev/pcmcia/pcmciavar.h>
56 #include <dev/pcmcia/pcmciadevs.h>
57
58 int mbe_pcmcia_match __P((struct device *, struct cfdata *, void *));
59 void mbe_pcmcia_attach __P((struct device *, struct device *, void *));
60 int mbe_pcmcia_detach __P((struct device *, int));
61
62 struct mbe_pcmcia_softc {
63 struct mb86960_softc sc_mb86960; /* real "mb" softc */
64
65 /* PCMCIA-specific goo. */
66 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */
67 int sc_io_window; /* our i/o window */
68 void *sc_ih; /* interrupt cookie */
69 struct pcmcia_function *sc_pf; /* our PCMCIA function */
70 };
71
72 struct cfattach mbe_pcmcia_ca = {
73 sizeof(struct mbe_pcmcia_softc), mbe_pcmcia_match, mbe_pcmcia_attach,
74 mbe_pcmcia_detach, mb86960_activate
75 };
76
77 int mbe_pcmcia_enable __P((struct mb86960_softc *));
78 void mbe_pcmcia_disable __P((struct mb86960_softc *));
79
80 struct mbe_pcmcia_get_enaddr_args {
81 u_int8_t enaddr[ETHER_ADDR_LEN];
82 int maddr;
83 };
84 int mbe_pcmcia_get_enaddr_from_cis __P((struct pcmcia_tuple *, void *));
85 int mbe_pcmcia_get_enaddr_from_mem __P((struct mbe_pcmcia_softc *,
86 struct mbe_pcmcia_get_enaddr_args *));
87
88 const struct mbe_pcmcia_product {
89 struct pcmcia_product mpp_product;
90 u_int32_t mpp_ioalign; /* required alignment */
91 int mpp_enet_maddr;
92 } mbe_pcmcia_products[] = {
93 { { PCMCIA_STR_TDK_LAK_CD021BX, PCMCIA_VENDOR_TDK,
94 PCMCIA_PRODUCT_TDK_LAK_CD021BX, 0 },
95 0, -1 },
96
97 { { PCMCIA_STR_TDK_LAK_CF010, PCMCIA_VENDOR_TDK,
98 PCMCIA_PRODUCT_TDK_LAK_CF010, 0 },
99 0, -1 },
100
101 #if 0 /* XXX 86960-based? */
102 { { PCMCIA_STR_TDK_LAK_DFL9610, PCMCIA_VENDOR_TDK,
103 PCMCIA_PRODUCT_TDK_LAK_DFL9610, 1 },
104 0, -1 },
105 #endif
106
107 { { PCMCIA_STR_CONTEC_CNETPC, PCMCIA_VENDOR_CONTEC,
108 PCMCIA_PRODUCT_CONTEC_CNETPC, 0 },
109 0, -1 },
110
111 { { PCMCIA_STR_FUJITSU_LA501, PCMCIA_VENDOR_FUJITSU,
112 PCMCIA_PRODUCT_FUJITSU_LA501, 0 },
113 0x20, -1 },
114
115 { { PCMCIA_STR_FUJITSU_LA10S, PCMCIA_VENDOR_FUJITSU,
116 PCMCIA_PRODUCT_FUJITSU_LA10S, 0 },
117 0, -1 },
118
119 { { PCMCIA_STR_RATOC_REX_R280, PCMCIA_VENDOR_RATOC,
120 PCMCIA_PRODUCT_RATOC_REX_R280, 0 },
121 0, 0x1fc },
122
123 { { NULL } }
124 };
125
126 int
127 mbe_pcmcia_match(parent, match, aux)
128 struct device *parent;
129 struct cfdata *match;
130 void *aux;
131 {
132 struct pcmcia_attach_args *pa = aux;
133
134 if (pcmcia_product_lookup(pa,
135 (const struct pcmcia_product *)mbe_pcmcia_products,
136 sizeof mbe_pcmcia_products[0], NULL) != NULL)
137 return (1);
138
139 return (0);
140 }
141
142 void
143 mbe_pcmcia_attach(parent, self, aux)
144 struct device *parent, *self;
145 void *aux;
146 {
147 struct mbe_pcmcia_softc *psc = (struct mbe_pcmcia_softc *)self;
148 struct mb86960_softc *sc = &psc->sc_mb86960;
149 struct pcmcia_attach_args *pa = aux;
150 struct pcmcia_config_entry *cfe;
151 struct mbe_pcmcia_get_enaddr_args pgea;
152 const struct mbe_pcmcia_product *mpp;
153 int rv;
154
155 mpp = (const struct mbe_pcmcia_product *)pcmcia_product_lookup(pa,
156 (const struct pcmcia_product *)mbe_pcmcia_products,
157 sizeof mbe_pcmcia_products[0], NULL);
158 if (mpp == NULL) {
159 printf("\n");
160 panic("mbe_pcmcia_attach: impossible");
161 }
162
163 psc->sc_pf = pa->pf;
164 cfe = pa->pf->cfe_head.sqh_first;
165
166 /* Enable the card. */
167 pcmcia_function_init(pa->pf, cfe);
168 if (pcmcia_function_enable(pa->pf)) {
169 printf(": function enable failed\n");
170 goto enable_failed;
171 }
172
173 /* Allocate and map i/o space for the card. */
174 if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start,
175 cfe->iospace[0].length,
176 mpp->mpp_ioalign ? mpp->mpp_ioalign : cfe->iospace[0].length,
177 &psc->sc_pcioh)) {
178 printf(": can't allocate i/o space\n");
179 goto ioalloc_failed;
180 }
181
182 sc->sc_bst = psc->sc_pcioh.iot;
183 sc->sc_bsh = psc->sc_pcioh.ioh;
184
185 sc->sc_enable = mbe_pcmcia_enable;
186 sc->sc_disable = mbe_pcmcia_disable;
187
188 /*
189 * Don't bother checking flags; the back-end sets the chip
190 * into 16-bit mode.
191 */
192 if (pcmcia_io_map(pa->pf, PCMCIA_WIDTH_IO16, 0, cfe->iospace[0].length,
193 &psc->sc_pcioh, &psc->sc_io_window)) {
194 printf(": can't map i/o space\n");
195 goto iomap_failed;
196 }
197
198 printf(": %s\n", mpp->mpp_product.pp_name);
199
200 /* Read station address from mem or CIS. */
201 if (mpp->mpp_enet_maddr >= 0) {
202 pgea.maddr = mpp->mpp_enet_maddr;
203 if (mbe_pcmcia_get_enaddr_from_mem(psc, &pgea) != 0) {
204 printf("%s: Couldn't get ethernet address "
205 "from mem\n", sc->sc_dev.dv_xname);
206 goto no_enaddr;
207 }
208 } else {
209 rv = pcmcia_scan_cis(parent,
210 mbe_pcmcia_get_enaddr_from_cis, &pgea);
211 if (rv == -1) {
212 printf("%s: Couldn't read CIS to get ethernet "
213 "address\n", sc->sc_dev.dv_xname);
214 goto no_enaddr;
215 } else if (rv == 0) {
216 printf("%s: Couldn't get ethernet address "
217 "from CIS\n", sc->sc_dev.dv_xname);
218 goto no_enaddr;
219 }
220 #ifdef DIAGNOSTIC
221 if (rv != 1) {
222 printf("%s: pcmcia_scan_cis returns %d\n",
223 sc->sc_dev.dv_xname, rv);
224 panic("mbe_pcmcia_attach");
225 }
226 printf("%s: Ethernet address from CIS: %s\n",
227 sc->sc_dev.dv_xname, ether_sprintf(pgea.enaddr));
228 #endif
229 }
230
231 /* Perform generic initialization. */
232 mb86960_attach(sc, MB86960_TYPE_86965, pgea.enaddr);
233
234 mb86960_config(sc, NULL, 0, 0);
235
236 pcmcia_function_disable(pa->pf);
237 return;
238
239 no_enaddr:
240 /* Unmap our i/o window. */
241 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
242
243 iomap_failed:
244 /* Free our i/o space. */
245 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
246
247 ioalloc_failed:
248 pcmcia_function_disable(pa->pf);
249
250 enable_failed:
251 psc->sc_io_window = -1;
252 }
253
254 int
255 mbe_pcmcia_detach(self, flags)
256 struct device *self;
257 int flags;
258 {
259 struct mbe_pcmcia_softc *psc = (struct mbe_pcmcia_softc *)self;
260 int error;
261
262 if (psc->sc_io_window == -1)
263 /* Nothing to detach. */
264 return (0);
265
266 error = mb86960_detach(&psc->sc_mb86960);
267 if (error != 0)
268 return (error);
269
270 /* Unmap our i/o window. */
271 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
272
273 /* Free our i/o space. */
274 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
275
276 return (0);
277 }
278
279 int
280 mbe_pcmcia_enable(sc)
281 struct mb86960_softc *sc;
282 {
283 struct mbe_pcmcia_softc *psc = (struct mbe_pcmcia_softc *)sc;
284
285 /* Establish the interrupt handler. */
286 psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, mb86960_intr,
287 sc);
288 if (psc->sc_ih == NULL) {
289 printf("%s: couldn't establish interrupt handler\n",
290 sc->sc_dev.dv_xname);
291 return (1);
292 }
293
294 if (pcmcia_function_enable(psc->sc_pf)) {
295 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
296 return (1);
297 }
298
299 return (0);
300 }
301
302 void
303 mbe_pcmcia_disable(sc)
304 struct mb86960_softc *sc;
305 {
306 struct mbe_pcmcia_softc *psc = (struct mbe_pcmcia_softc *)sc;
307
308 pcmcia_function_disable(psc->sc_pf);
309 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
310 }
311
312 int
313 mbe_pcmcia_get_enaddr_from_cis(tuple, arg)
314 struct pcmcia_tuple *tuple;
315 void *arg;
316 {
317 struct mbe_pcmcia_get_enaddr_args *p = arg;
318 int i;
319
320 if (tuple->code == PCMCIA_CISTPL_FUNCE) {
321 if (tuple->length < 2) /* sub code and ether addr length */
322 return (0);
323
324 if ((pcmcia_tuple_read_1(tuple, 0) !=
325 PCMCIA_TPLFE_TYPE_LAN_NID) ||
326 (pcmcia_tuple_read_1(tuple, 1) != ETHER_ADDR_LEN))
327 return (0);
328
329 for (i = 0; i < ETHER_ADDR_LEN; i++)
330 p->enaddr[i] = pcmcia_tuple_read_1(tuple, i + 2);
331 return (1);
332 }
333 return (0);
334 }
335
336 int
337 mbe_pcmcia_get_enaddr_from_mem(psc, ea)
338 struct mbe_pcmcia_softc *psc;
339 struct mbe_pcmcia_get_enaddr_args *ea;
340 {
341 struct mb86960_softc *sc = &psc->sc_mb86960;
342 struct pcmcia_mem_handle pcmh;
343 bus_addr_t offset;
344 int i, mwindow;
345
346 if (ea->maddr < 0)
347 return (1);
348
349 if (pcmcia_mem_alloc(psc->sc_pf, ETHER_ADDR_LEN * 2, &pcmh)) {
350 printf("%s: can't alloc mem for enet addr\n",
351 sc->sc_dev.dv_xname);
352 return (1);
353 }
354
355 if (pcmcia_mem_map(psc->sc_pf, PCMCIA_MEM_ATTR, ea->maddr,
356 ETHER_ADDR_LEN * 2, &pcmh, &offset, &mwindow)) {
357 printf("%s: can't map mem for enet addr\n",
358 sc->sc_dev.dv_xname);
359 return (1);
360 }
361
362 for (i = 0; i < ETHER_ADDR_LEN; i++)
363 ea->enaddr[i] = bus_space_read_1(pcmh.memt, pcmh.memh,
364 offset + (i * 2));
365
366 pcmcia_mem_unmap(psc->sc_pf, mwindow);
367 pcmcia_mem_free(psc->sc_pf, &pcmh);
368
369 return (0);
370 }
371