xref: /netbsd-src/sys/dev/pcmcia/if_mbe_pcmcia.c (revision aaf4ece63a859a04e37cf3a7229b5fab0157cc06)
1 /*	$NetBSD: if_mbe_pcmcia.c,v 1.38 2005/12/11 12:23:23 christos 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  * 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/cdefs.h>
40 __KERNEL_RCSID(0, "$NetBSD: if_mbe_pcmcia.c,v 1.38 2005/12/11 12:23:23 christos Exp $");
41 
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/device.h>
45 #include <sys/socket.h>
46 
47 #include <net/if.h>
48 #include <net/if_ether.h>
49 #include <net/if_media.h>
50 
51 #include <machine/intr.h>
52 #include <machine/bus.h>
53 
54 #include <dev/ic/mb86960reg.h>
55 #include <dev/ic/mb86960var.h>
56 
57 #include <dev/pcmcia/pcmciareg.h>
58 #include <dev/pcmcia/pcmciavar.h>
59 #include <dev/pcmcia/pcmciadevs.h>
60 
61 int	mbe_pcmcia_match(struct device *, struct cfdata *, void *);
62 int	mbe_pcmcia_validate_config(struct pcmcia_config_entry *);
63 void	mbe_pcmcia_attach(struct device *, struct device *, void *);
64 int	mbe_pcmcia_detach(struct device *, int);
65 
66 struct mbe_pcmcia_softc {
67 	struct	mb86960_softc sc_mb86960;	/* real "mb" softc */
68 
69 	struct	pcmcia_function *sc_pf;		/* our PCMCIA function */
70 	void	*sc_ih;				/* interrupt cookie */
71 
72 	int	sc_state;
73 #define	MBE_PCMCIA_ATTACHED	3
74 };
75 
76 CFATTACH_DECL(mbe_pcmcia, sizeof(struct mbe_pcmcia_softc),
77     mbe_pcmcia_match, mbe_pcmcia_attach, mbe_pcmcia_detach, mb86960_activate);
78 
79 int	mbe_pcmcia_enable(struct mb86960_softc *);
80 void	mbe_pcmcia_disable(struct mb86960_softc *);
81 
82 struct mbe_pcmcia_get_enaddr_args {
83 	u_int8_t enaddr[ETHER_ADDR_LEN];
84 	int maddr;
85 };
86 int	mbe_pcmcia_get_enaddr_from_cis(struct pcmcia_tuple *, void *);
87 int	mbe_pcmcia_get_enaddr_from_mem(struct mbe_pcmcia_softc *,
88 	    struct mbe_pcmcia_get_enaddr_args *);
89 int	mbe_pcmcia_get_enaddr_from_io(struct mbe_pcmcia_softc *,
90 	    struct mbe_pcmcia_get_enaddr_args *);
91 
92 static const struct mbe_pcmcia_product {
93 	struct pcmcia_product mpp_product;
94 	int		mpp_enet_maddr;
95 	int		mpp_flags;
96 #define MBH10302	0x0001			/* FUJITSU MBH10302 */
97 } mbe_pcmcia_products[] = {
98 	{ { PCMCIA_VENDOR_TDK, PCMCIA_PRODUCT_TDK_LAK_CD021BX,
99 	    PCMCIA_CIS_TDK_LAK_CD021BX },
100 	  -1 },
101 
102 	{ { PCMCIA_VENDOR_TDK, PCMCIA_PRODUCT_TDK_LAK_CF010,
103 	    PCMCIA_CIS_TDK_LAK_CF010 },
104 	  -1 },
105 
106 #if 0 /* XXX 86960-based? */
107 	{ { PCMCIA_VENDOR_TDK, PCMCIA_PRODUCT_TDK_LAK_DFL9610,
108 	    PCMCIA_CIS_TDK_DFL9610 },
109 	  -1, MBH10302 /* XXX */ },
110 #endif
111 
112 	{ { PCMCIA_VENDOR_CONTEC, PCMCIA_PRODUCT_CONTEC_CNETPC,
113 	    PCMCIA_CIS_CONTEC_CNETPC },
114 	  -1 },
115 
116 	{ { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_LA501,
117 	    PCMCIA_CIS_FUJITSU_LA501 },
118 	  -1 },
119 
120 	{ { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_FMV_J181,
121 	    PCMCIA_CIS_FUJITSU_FMV_J181 },
122 	  -1, MBH10302 },
123 
124 	{ { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_FMV_J182,
125 	    PCMCIA_CIS_FUJITSU_FMV_J182 },
126 	  0xf2c },
127 
128 	{ { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_FMV_J182A,
129 	    PCMCIA_CIS_FUJITSU_FMV_J182A },
130 	  0x1cc },
131 
132 	{ { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_ITCFJ182A,
133 	    PCMCIA_CIS_FUJITSU_ITCFJ182A },
134 	  0x1cc },
135 
136 	{ { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_LA10S,
137 	    PCMCIA_CIS_FUJITSU_LA10S },
138 	  -1 },
139 
140 	{ { PCMCIA_VENDOR_RATOC, PCMCIA_PRODUCT_RATOC_REX_R280,
141 	    PCMCIA_CIS_RATOC_REX_R280 },
142 	  0x1fc },
143 };
144 static const size_t mbe_pcmcia_nproducts =
145     sizeof(mbe_pcmcia_products) / sizeof(mbe_pcmcia_products[0]);
146 
147 int
148 mbe_pcmcia_match(parent, match, aux)
149 	struct device *parent;
150 	struct cfdata *match;
151 	void *aux;
152 {
153 	struct pcmcia_attach_args *pa = aux;
154 
155 	if (pcmcia_product_lookup(pa, mbe_pcmcia_products, mbe_pcmcia_nproducts,
156 	    sizeof(mbe_pcmcia_products[0]), NULL))
157 		return (1);
158 	return (0);
159 }
160 
161 int
162 mbe_pcmcia_validate_config(cfe)
163 	struct pcmcia_config_entry *cfe;
164 {
165 	if (cfe->iftype != PCMCIA_IFTYPE_IO ||
166 	    cfe->num_iospace < 1)
167 		return (EINVAL);
168 	return (0);
169 }
170 
171 void
172 mbe_pcmcia_attach(parent, self, aux)
173 	struct device *parent, *self;
174 	void *aux;
175 {
176 	struct mbe_pcmcia_softc *psc = (void *)self;
177 	struct mb86960_softc *sc = &psc->sc_mb86960;
178 	struct pcmcia_attach_args *pa = aux;
179 	struct pcmcia_config_entry *cfe;
180 	struct mbe_pcmcia_get_enaddr_args pgea;
181 	const struct mbe_pcmcia_product *mpp;
182 	int error;
183 
184 	psc->sc_pf = pa->pf;
185 
186 	error = pcmcia_function_configure(pa->pf, mbe_pcmcia_validate_config);
187 	if (error) {
188 		aprint_error("%s: configure failed, error=%d\n", self->dv_xname,
189 		    error);
190 		return;
191 	}
192 
193 	cfe = pa->pf->cfe;
194 	sc->sc_bst = cfe->iospace[0].handle.iot;
195 	sc->sc_bsh = cfe->iospace[0].handle.ioh;
196 
197 	mpp = pcmcia_product_lookup(pa, mbe_pcmcia_products,
198 	    mbe_pcmcia_nproducts, sizeof(mbe_pcmcia_products[0]), NULL);
199 	if (!mpp)
200 		panic("mbe_pcmcia_attach: impossible");
201 
202 	/* Read station address from io/mem or CIS. */
203 	if (mpp->mpp_enet_maddr >= 0) {
204 		pgea.maddr = mpp->mpp_enet_maddr;
205 		if (mbe_pcmcia_get_enaddr_from_mem(psc, &pgea) != 0) {
206 			printf("%s: couldn't get ethernet address "
207 			    "from memory\n", self->dv_xname);
208 			goto fail;
209 		}
210 	} else if (mpp->mpp_flags & MBH10302) {
211 		bus_space_write_1(sc->sc_bst, sc->sc_bsh, FE_MBH0 ,
212 				  FE_MBH0_MASK | FE_MBH0_INTR_ENABLE);
213 		if (mbe_pcmcia_get_enaddr_from_io(psc, &pgea) != 0) {
214 			printf("%s: couldn't get ethernet address from i/o\n",
215 			    self->dv_xname);
216 			goto fail;
217 		}
218 	} else {
219 		if (pa->pf->pf_funce_lan_nidlen != ETHER_ADDR_LEN) {
220 			printf("%s: couldn't get ethernet address from CIS\n",
221 			    self->dv_xname);
222 			goto fail;
223 		}
224 		memcpy(pgea.enaddr, pa->pf->pf_funce_lan_nid, ETHER_ADDR_LEN);
225 	}
226 
227 	/* Perform generic initialization. */
228 	if (mpp->mpp_flags & MBH10302)
229 		sc->sc_flags |= FE_FLAGS_MB86960;
230 
231 	sc->sc_enable = mbe_pcmcia_enable;
232 	sc->sc_disable = mbe_pcmcia_disable;
233 
234 	error = mbe_pcmcia_enable(sc);
235 	if (error)
236 		goto fail;
237 
238 	mb86960_attach(sc, pgea.enaddr);
239 	mb86960_config(sc, NULL, 0, 0);
240 
241 	mbe_pcmcia_disable(sc);
242 	psc->sc_state = MBE_PCMCIA_ATTACHED;
243 	return;
244 
245 fail:
246 	pcmcia_function_unconfigure(pa->pf);
247 }
248 
249 int
250 mbe_pcmcia_detach(self, flags)
251 	struct device *self;
252 	int flags;
253 {
254 	struct mbe_pcmcia_softc *psc = (void *)self;
255 	int error;
256 
257 	if (psc->sc_state != MBE_PCMCIA_ATTACHED)
258 		return (0);
259 
260 	error = mb86960_detach(&psc->sc_mb86960);
261 	if (error)
262 		return (error);
263 
264 	pcmcia_function_unconfigure(psc->sc_pf);
265 
266 	return (0);
267 }
268 
269 int
270 mbe_pcmcia_enable(sc)
271 	struct mb86960_softc *sc;
272 {
273 	struct mbe_pcmcia_softc *psc = (void *)sc;
274 	int error;
275 
276 	/* Establish the interrupt handler. */
277 	psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, mb86960_intr,
278 	    sc);
279 	if (!psc->sc_ih)
280 		return (EIO);
281 
282 	error = pcmcia_function_enable(psc->sc_pf);
283 	if (error) {
284 		pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
285 		psc->sc_ih = 0;
286 	}
287 
288 	return (error);
289 }
290 
291 void
292 mbe_pcmcia_disable(sc)
293 	struct mb86960_softc *sc;
294 {
295 	struct mbe_pcmcia_softc *psc = (void *)sc;
296 
297 	pcmcia_function_disable(psc->sc_pf);
298 	pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
299 	psc->sc_ih = 0;
300 }
301 
302 int
303 mbe_pcmcia_get_enaddr_from_io(psc, ea)
304 	struct mbe_pcmcia_softc *psc;
305 	struct mbe_pcmcia_get_enaddr_args *ea;
306 {
307 	struct mb86960_softc *sc = &psc->sc_mb86960;
308 	int i;
309 
310 	for (i = 0; i < ETHER_ADDR_LEN; i++)
311 		ea->enaddr[i] = bus_space_read_1(sc->sc_bst, sc->sc_bsh,
312 		    FE_MBH_ENADDR + i);
313 	return (0);
314 }
315 
316 int
317 mbe_pcmcia_get_enaddr_from_mem(psc, ea)
318 	struct mbe_pcmcia_softc *psc;
319 	struct mbe_pcmcia_get_enaddr_args *ea;
320 {
321 	struct mb86960_softc *sc = &psc->sc_mb86960;
322 	struct pcmcia_mem_handle pcmh;
323 	bus_size_t offset;
324 	int i, mwindow, rv = 1;
325 
326 	if (ea->maddr < 0)
327 		goto bad_memaddr;
328 
329 	if (pcmcia_mem_alloc(psc->sc_pf, ETHER_ADDR_LEN * 2, &pcmh)) {
330 		printf("%s: can't alloc mem for enet addr\n",
331 		    sc->sc_dev.dv_xname);
332 		goto memalloc_failed;
333 	}
334 
335 	if (pcmcia_mem_map(psc->sc_pf, PCMCIA_MEM_ATTR, ea->maddr,
336 	    ETHER_ADDR_LEN * 2, &pcmh, &offset, &mwindow)) {
337 		printf("%s: can't map mem for enet addr\n",
338 		    sc->sc_dev.dv_xname);
339 		goto memmap_failed;
340 	}
341 
342 	for (i = 0; i < ETHER_ADDR_LEN; i++)
343 		ea->enaddr[i] = bus_space_read_1(pcmh.memt, pcmh.memh,
344 		    offset + (i * 2));
345 
346 	rv = 0;
347 	pcmcia_mem_unmap(psc->sc_pf, mwindow);
348 memmap_failed:
349 	pcmcia_mem_free(psc->sc_pf, &pcmh);
350 memalloc_failed:
351 bad_memaddr:
352 
353 	return (rv);
354 }
355