if_mbe_pcmcia.c revision 1.46 1 /* $NetBSD: if_mbe_pcmcia.c,v 1.46 2009/05/12 14:42:18 cegger Exp $ */
2
3 /*-
4 * Copyright (c) 1998, 2000, 2004 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 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: if_mbe_pcmcia.c,v 1.46 2009/05/12 14:42:18 cegger Exp $");
34
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/device.h>
38 #include <sys/socket.h>
39
40 #include <net/if.h>
41 #include <net/if_ether.h>
42 #include <net/if_media.h>
43
44 #include <sys/intr.h>
45 #include <sys/bus.h>
46
47 #include <dev/ic/mb86960reg.h>
48 #include <dev/ic/mb86960var.h>
49
50 #include <dev/pcmcia/pcmciareg.h>
51 #include <dev/pcmcia/pcmciavar.h>
52 #include <dev/pcmcia/pcmciadevs.h>
53
54 int mbe_pcmcia_match(device_t, cfdata_t, void *);
55 int mbe_pcmcia_validate_config(struct pcmcia_config_entry *);
56 void mbe_pcmcia_attach(device_t, device_t, void *);
57 int mbe_pcmcia_detach(device_t, int);
58
59 struct mbe_pcmcia_softc {
60 struct mb86960_softc sc_mb86960; /* real "mb" softc */
61
62 struct pcmcia_function *sc_pf; /* our PCMCIA function */
63 void *sc_ih; /* interrupt cookie */
64
65 int sc_state;
66 #define MBE_PCMCIA_ATTACHED 3
67 };
68
69 CFATTACH_DECL_NEW(mbe_pcmcia, sizeof(struct mbe_pcmcia_softc),
70 mbe_pcmcia_match, mbe_pcmcia_attach, mbe_pcmcia_detach, mb86960_activate);
71
72 int mbe_pcmcia_enable(struct mb86960_softc *);
73 void mbe_pcmcia_disable(struct mb86960_softc *);
74
75 struct mbe_pcmcia_get_enaddr_args {
76 uint8_t enaddr[ETHER_ADDR_LEN];
77 int maddr;
78 };
79 int mbe_pcmcia_get_enaddr_from_cis(struct pcmcia_tuple *, void *);
80 int mbe_pcmcia_get_enaddr_from_mem(struct mbe_pcmcia_softc *,
81 struct mbe_pcmcia_get_enaddr_args *);
82 int mbe_pcmcia_get_enaddr_from_io(struct mbe_pcmcia_softc *,
83 struct mbe_pcmcia_get_enaddr_args *);
84
85 static const struct mbe_pcmcia_product {
86 struct pcmcia_product mpp_product;
87 int mpp_enet_maddr;
88 int mpp_flags;
89 #define MBH10302 0x0001 /* FUJITSU MBH10302 */
90 } mbe_pcmcia_products[] = {
91 { { PCMCIA_VENDOR_TDK, PCMCIA_PRODUCT_TDK_LAK_CD021BX,
92 PCMCIA_CIS_TDK_LAK_CD021BX },
93 -1, 0 },
94
95 { { PCMCIA_VENDOR_TDK, PCMCIA_PRODUCT_TDK_LAK_CF010,
96 PCMCIA_CIS_TDK_LAK_CF010 },
97 -1, 0 },
98
99 #if 0 /* XXX 86960-based? */
100 { { PCMCIA_VENDOR_TDK, PCMCIA_PRODUCT_TDK_LAK_DFL9610,
101 PCMCIA_CIS_TDK_DFL9610 },
102 -1, MBH10302 /* XXX */ },
103 #endif
104
105 { { PCMCIA_VENDOR_CONTEC, PCMCIA_PRODUCT_CONTEC_CNETPC,
106 PCMCIA_CIS_CONTEC_CNETPC },
107 -1, 0 },
108
109 { { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_LA501,
110 PCMCIA_CIS_FUJITSU_LA501 },
111 -1, 0 },
112
113 { { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_FMV_J181,
114 PCMCIA_CIS_FUJITSU_FMV_J181 },
115 -1, MBH10302 },
116
117 { { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_FMV_J182,
118 PCMCIA_CIS_FUJITSU_FMV_J182 },
119 0xf2c, 0 },
120
121 { { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_FMV_J182A,
122 PCMCIA_CIS_FUJITSU_FMV_J182A },
123 0x1cc, 0 },
124
125 { { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_ITCFJ182A,
126 PCMCIA_CIS_FUJITSU_ITCFJ182A },
127 0x1cc, 0 },
128
129 { { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_LA10S,
130 PCMCIA_CIS_FUJITSU_LA10S },
131 -1, 0 },
132
133 { { PCMCIA_VENDOR_RATOC, PCMCIA_PRODUCT_RATOC_REX_R280,
134 PCMCIA_CIS_RATOC_REX_R280 },
135 0x1fc, 0 },
136 };
137 static const size_t mbe_pcmcia_nproducts = __arraycount(mbe_pcmcia_products);
138
139 int
140 mbe_pcmcia_match(device_t parent, cfdata_t cf, void *aux)
141 {
142 struct pcmcia_attach_args *pa = aux;
143
144 if (pcmcia_product_lookup(pa, mbe_pcmcia_products, mbe_pcmcia_nproducts,
145 sizeof(mbe_pcmcia_products[0]), NULL))
146 return 1;
147 return 0;
148 }
149
150 int
151 mbe_pcmcia_validate_config(struct pcmcia_config_entry *cfe)
152 {
153
154 if (cfe->iftype != PCMCIA_IFTYPE_IO ||
155 cfe->num_iospace < 1)
156 return EINVAL;
157 return 0;
158 }
159
160 void
161 mbe_pcmcia_attach(device_t parent, device_t self, void *aux)
162 {
163 struct mbe_pcmcia_softc *psc = device_private(self);
164 struct mb86960_softc *sc = &psc->sc_mb86960;
165 struct pcmcia_attach_args *pa = aux;
166 struct pcmcia_config_entry *cfe;
167 struct mbe_pcmcia_get_enaddr_args pgea;
168 const struct mbe_pcmcia_product *mpp;
169 int error;
170
171 sc->sc_dev = self;
172 psc->sc_pf = pa->pf;
173
174 error = pcmcia_function_configure(pa->pf, mbe_pcmcia_validate_config);
175 if (error) {
176 aprint_error_dev(self, "configure failed, error=%d\n",
177 error);
178 return;
179 }
180
181 cfe = pa->pf->cfe;
182 sc->sc_bst = cfe->iospace[0].handle.iot;
183 sc->sc_bsh = cfe->iospace[0].handle.ioh;
184
185 mpp = pcmcia_product_lookup(pa, mbe_pcmcia_products,
186 mbe_pcmcia_nproducts, sizeof(mbe_pcmcia_products[0]), NULL);
187 if (!mpp)
188 panic("%s: impossible", __func__);
189
190 /* Read station address from io/mem or CIS. */
191 if (mpp->mpp_enet_maddr >= 0) {
192 pgea.maddr = mpp->mpp_enet_maddr;
193 if (mbe_pcmcia_get_enaddr_from_mem(psc, &pgea) != 0) {
194 aprint_error_dev(self, "couldn't get ethernet address "
195 "from memory\n");
196 goto fail;
197 }
198 } else if (mpp->mpp_flags & MBH10302) {
199 bus_space_write_1(sc->sc_bst, sc->sc_bsh, FE_MBH0 ,
200 FE_MBH0_MASK | FE_MBH0_INTR_ENABLE);
201 if (mbe_pcmcia_get_enaddr_from_io(psc, &pgea) != 0) {
202 aprint_error_dev(self,
203 "couldn't get ethernet address from i/o\n");
204 goto fail;
205 }
206 } else {
207 if (pa->pf->pf_funce_lan_nidlen != ETHER_ADDR_LEN) {
208 aprint_error_dev(self,
209 "couldn't get ethernet address from CIS\n");
210 goto fail;
211 }
212 memcpy(pgea.enaddr, pa->pf->pf_funce_lan_nid, ETHER_ADDR_LEN);
213 }
214
215 /* Perform generic initialization. */
216 if (mpp->mpp_flags & MBH10302)
217 sc->sc_flags |= FE_FLAGS_MB86960;
218
219 sc->sc_enable = mbe_pcmcia_enable;
220 sc->sc_disable = mbe_pcmcia_disable;
221
222 error = mbe_pcmcia_enable(sc);
223 if (error)
224 goto fail;
225
226 mb86960_attach(sc, pgea.enaddr);
227 mb86960_config(sc, NULL, 0, 0);
228
229 mbe_pcmcia_disable(sc);
230 psc->sc_state = MBE_PCMCIA_ATTACHED;
231 return;
232
233 fail:
234 pcmcia_function_unconfigure(pa->pf);
235 }
236
237 int
238 mbe_pcmcia_detach(device_t self, int flags)
239 {
240 struct mbe_pcmcia_softc *psc = device_private(self);
241 int error;
242
243 if (psc->sc_state != MBE_PCMCIA_ATTACHED)
244 return 0;
245
246 error = mb86960_detach(&psc->sc_mb86960);
247 if (error)
248 return error;
249
250 pcmcia_function_unconfigure(psc->sc_pf);
251
252 return 0;
253 }
254
255 int
256 mbe_pcmcia_enable(struct mb86960_softc *sc)
257 {
258 struct mbe_pcmcia_softc *psc = (struct mbe_pcmcia_softc *)sc;
259 int error;
260
261 /* Establish the interrupt handler. */
262 psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, mb86960_intr,
263 sc);
264 if (!psc->sc_ih)
265 return EIO;
266
267 error = pcmcia_function_enable(psc->sc_pf);
268 if (error) {
269 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
270 psc->sc_ih = 0;
271 }
272
273 return error;
274 }
275
276 void
277 mbe_pcmcia_disable(struct mb86960_softc *sc)
278 {
279 struct mbe_pcmcia_softc *psc = (struct mbe_pcmcia_softc *)sc;
280
281 pcmcia_function_disable(psc->sc_pf);
282 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
283 psc->sc_ih = 0;
284 }
285
286 int
287 mbe_pcmcia_get_enaddr_from_io(struct mbe_pcmcia_softc *psc,
288 struct mbe_pcmcia_get_enaddr_args *ea)
289 {
290 struct mb86960_softc *sc = &psc->sc_mb86960;
291 int i;
292
293 for (i = 0; i < ETHER_ADDR_LEN; i++)
294 ea->enaddr[i] = bus_space_read_1(sc->sc_bst, sc->sc_bsh,
295 FE_MBH_ENADDR + i);
296 return 0;
297 }
298
299 int
300 mbe_pcmcia_get_enaddr_from_mem(struct mbe_pcmcia_softc *psc,
301 struct mbe_pcmcia_get_enaddr_args *ea)
302 {
303 struct mb86960_softc *sc = &psc->sc_mb86960;
304 struct pcmcia_mem_handle pcmh;
305 bus_size_t offset;
306 int i, mwindow, rv = 1;
307
308 if (ea->maddr < 0)
309 goto bad_memaddr;
310
311 if (pcmcia_mem_alloc(psc->sc_pf, ETHER_ADDR_LEN * 2, &pcmh)) {
312 aprint_error_dev(sc->sc_dev, "can't alloc mem for enet addr\n");
313 goto memalloc_failed;
314 }
315
316 if (pcmcia_mem_map(psc->sc_pf, PCMCIA_MEM_ATTR, ea->maddr,
317 ETHER_ADDR_LEN * 2, &pcmh, &offset, &mwindow)) {
318 aprint_error_dev(sc->sc_dev, "can't map mem for enet addr\n");
319 goto memmap_failed;
320 }
321
322 for (i = 0; i < ETHER_ADDR_LEN; i++)
323 ea->enaddr[i] = bus_space_read_1(pcmh.memt, pcmh.memh,
324 offset + (i * 2));
325
326 rv = 0;
327 pcmcia_mem_unmap(psc->sc_pf, mwindow);
328 memmap_failed:
329 pcmcia_mem_free(psc->sc_pf, &pcmh);
330 memalloc_failed:
331 bad_memaddr:
332
333 return rv;
334 }
335