if_mbe_pcmcia.c revision 1.7 1 /* $NetBSD: if_mbe_pcmcia.c,v 1.7 1999/04/27 04:56:18 thorpej Exp $ */
2
3 /*-
4 * Copyright (c) 1998 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 #if NetBSD <= 199712
78 struct cfdriver mbe_cd = { /* XXX shouldn't be here */
79 NULL, "mbe", DV_IFNET
80 };
81 #endif
82
83 int mbe_pcmcia_enable __P((struct mb86960_softc *));
84 void mbe_pcmcia_disable __P((struct mb86960_softc *));
85
86 struct mbe_pcmcia_get_enaddr_args {
87 int got_enaddr;
88 u_int8_t enaddr[ETHER_ADDR_LEN];
89 };
90 int mbe_pcmcia_get_enaddr __P((struct pcmcia_tuple *, void *));
91
92 struct mbe_pcmcia_product {
93 u_int32_t mpp_vendor; /* vendor ID */
94 u_int32_t mpp_product; /* product ID */
95 int mpp_expfunc; /* exptected function */
96 u_int32_t mpp_ioalign; /* required alignment */
97 const char *mpp_name; /* product name */
98 } mbe_pcmcia_products[] = {
99 { PCMCIA_VENDOR_TDK, PCMCIA_PRODUCT_TDK_LAK_CD021BX,
100 0, 0,
101 PCMCIA_STR_TDK_LAK_CD021BX },
102 #if 0 /* XXX 86960-based? */
103 { PCMCIA_VENDOR_TDK, PCMCIA_PRODUCT_TDK_LAK_DFL9610,
104 1, 0,
105 PCMCIA_STR_TDK_LAK_DFL9610 }
106 #endif
107
108 { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_LA501,
109 0, 0x20,
110 PCMCIA_STR_FUJITSU_LA501 },
111
112 { 0, 0,
113 0, 0,
114 NULL },
115 };
116
117 const struct mbe_pcmcia_product *mbe_pcmcia_lookup
118 __P((const struct pcmcia_attach_args *pa));
119
120 const struct mbe_pcmcia_product *
121 mbe_pcmcia_lookup(pa)
122 const struct pcmcia_attach_args *pa;
123 {
124 const struct mbe_pcmcia_product *mpp;
125
126 for (mpp = mbe_pcmcia_products; mpp->mpp_name != NULL; mpp++) {
127 if (pa->manufacturer == mpp->mpp_vendor &&
128 pa->product == mpp->mpp_product &&
129 pa->pf->number == mpp->mpp_expfunc)
130 return (mpp);
131 }
132 return (NULL);
133 }
134
135 int
136 mbe_pcmcia_match(parent, match, aux)
137 struct device *parent;
138 struct cfdata *match;
139 void *aux;
140 {
141 struct pcmcia_attach_args *pa = aux;
142
143 if (mbe_pcmcia_lookup(pa) != NULL)
144 return (1);
145
146 return (0);
147 }
148
149 void
150 mbe_pcmcia_attach(parent, self, aux)
151 struct device *parent, *self;
152 void *aux;
153 {
154 struct mbe_pcmcia_softc *psc = (struct mbe_pcmcia_softc *)self;
155 struct mb86960_softc *sc = &psc->sc_mb86960;
156 struct pcmcia_attach_args *pa = aux;
157 struct pcmcia_config_entry *cfe;
158 struct mbe_pcmcia_get_enaddr_args pgea;
159 const struct mbe_pcmcia_product *mpp;
160
161 mpp = mbe_pcmcia_lookup(pa);
162 if (mpp == NULL) {
163 printf("\n");
164 panic("mbe_pcmcia_attach: impossible");
165 }
166
167 psc->sc_pf = pa->pf;
168 cfe = pa->pf->cfe_head.sqh_first;
169
170 /* Enable the card. */
171 pcmcia_function_init(pa->pf, cfe);
172 if (pcmcia_function_enable(pa->pf)) {
173 printf(": function enable failed\n");
174 return;
175 }
176
177 /* Allocate and map i/o space for the card. */
178 if (pcmcia_io_alloc(pa->pf, cfe->iospace[0].start,
179 cfe->iospace[0].length,
180 mpp->mpp_ioalign ? mpp->mpp_ioalign : cfe->iospace[0].length,
181 &psc->sc_pcioh)) {
182 printf(": can't allocate i/o space\n");
183 return;
184 }
185
186 sc->sc_bst = psc->sc_pcioh.iot;
187 sc->sc_bsh = psc->sc_pcioh.ioh;
188
189 sc->sc_enable = mbe_pcmcia_enable;
190 sc->sc_disable = mbe_pcmcia_disable;
191
192 /*
193 * Don't bother checking flags; the back-end sets the chip
194 * into 16-bit mode.
195 */
196 if (pcmcia_io_map(pa->pf, PCMCIA_WIDTH_IO16, 0, cfe->iospace[0].length,
197 &psc->sc_pcioh, &psc->sc_io_window)) {
198 printf(": can't map i/o space\n");
199 return;
200 }
201
202 printf(": %s\n", mpp->mpp_name);
203
204 /* Read station address. */
205 pgea.got_enaddr = 0;
206 if (pcmcia_scan_cis(parent, mbe_pcmcia_get_enaddr, &pgea) == -1) {
207 printf("%s: Couldn't read CIS to get ethernet address\n",
208 sc->sc_dev.dv_xname);
209 return;
210 } else if (!pgea.got_enaddr) {
211 printf("%s: Couldn't get ethernet address from CIS\n",
212 sc->sc_dev.dv_xname);
213 return;
214 } else
215 #ifdef DIAGNOSTIC
216 printf("%s: Ethernet address from CIS: %s\n",
217 sc->sc_dev.dv_xname, ether_sprintf(pgea.enaddr))
218 #endif
219 ;
220
221 /* Perform generic initialization. */
222 mb86960_attach(sc, MB86960_TYPE_86965, pgea.enaddr);
223
224 mb86960_config(sc, NULL, 0, 0);
225
226 pcmcia_function_disable(pa->pf);
227 }
228
229 int
230 mbe_pcmcia_detach(self, flags)
231 struct device *self;
232 int flags;
233 {
234 struct mbe_pcmcia_softc *psc = (struct mbe_pcmcia_softc *)self;
235
236 /* Unmap our i/o window. */
237 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
238
239 /* Free our i/o space. */
240 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
241
242 #ifdef notyet
243 /*
244 * Our softc is about to go away, so drop our reference
245 * to the ifnet.
246 */
247 if_delref(psc->sc_mb86960.sc_ec.ec_if);
248 return (0);
249 #else
250 return (EBUSY);
251 #endif
252 }
253
254 int
255 mbe_pcmcia_enable(sc)
256 struct mb86960_softc *sc;
257 {
258 struct mbe_pcmcia_softc *psc = (struct mbe_pcmcia_softc *)sc;
259
260 /* Establish the interrupt handler. */
261 psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, mb86960_intr,
262 sc);
263 if (psc->sc_ih == NULL) {
264 printf("%s: couldn't establish interrupt handler\n",
265 sc->sc_dev.dv_xname);
266 return (1);
267 }
268
269 return (pcmcia_function_enable(psc->sc_pf));
270 }
271
272 void
273 mbe_pcmcia_disable(sc)
274 struct mb86960_softc *sc;
275 {
276 struct mbe_pcmcia_softc *psc = (struct mbe_pcmcia_softc *)sc;
277
278 pcmcia_function_disable(psc->sc_pf);
279
280 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
281 }
282
283 int
284 mbe_pcmcia_get_enaddr(tuple, arg)
285 struct pcmcia_tuple *tuple;
286 void *arg;
287 {
288 struct mbe_pcmcia_get_enaddr_args *p = arg;
289 int i;
290
291 if (tuple->code == PCMCIA_CISTPL_FUNCE) {
292 if (tuple->length < 2) /* sub code and ether addr length */
293 return (0);
294
295 if ((pcmcia_tuple_read_1(tuple, 0) !=
296 PCMCIA_TPLFE_TYPE_LAN_NID) ||
297 (pcmcia_tuple_read_1(tuple, 1) != ETHER_ADDR_LEN))
298 return (0);
299
300 for (i = 0; i < ETHER_ADDR_LEN; i++)
301 p->enaddr[i] = pcmcia_tuple_read_1(tuple, i + 2);
302 p->got_enaddr = 1;
303 return (1);
304 }
305 return (0);
306 }
307