xref: /openbsd/sys/dev/pcmcia/if_sm_pcmcia.c (revision 8b4b0e59)
1 /*	$OpenBSD: if_sm_pcmcia.c,v 1.41 2024/05/26 08:46:28 jsg Exp $	*/
2 /*	$NetBSD: if_sm_pcmcia.c,v 1.11 1998/08/15 20:47:32 thorpej Exp $  */
3 
4 /*-
5  * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
6  * All rights reserved.
7  *
8  * This code is derived from software contributed to The NetBSD Foundation
9  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
10  * NASA Ames Research Center.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
25  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31  * POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/timeout.h>
37 #include <sys/device.h>
38 
39 #include <net/if.h>
40 #include <net/if_media.h>
41 
42 #include <netinet/in.h>
43 #include <netinet/if_ether.h>
44 
45 #include <machine/intr.h>
46 #include <machine/bus.h>
47 
48 #include <dev/mii/miivar.h>
49 
50 #include <dev/ic/smc91cxxvar.h>
51 
52 #include <dev/pcmcia/pcmciareg.h>
53 #include <dev/pcmcia/pcmciavar.h>
54 #include <dev/pcmcia/pcmciadevs.h>
55 
56 int	sm_pcmcia_match(struct device *, void *, void *);
57 void	sm_pcmcia_attach(struct device *, struct device *, void *);
58 int	sm_pcmcia_detach(struct device *, int);
59 int	sm_pcmcia_activate(struct device *, int);
60 
61 struct sm_pcmcia_softc {
62 	struct	smc91cxx_softc sc_smc;		/* real "smc" softc */
63 
64 	/* PCMCIA-specific goo. */
65 	struct	pcmcia_io_handle sc_pcioh;	/* PCMCIA i/o space info */
66 	int	sc_io_window;			/* our i/o window */
67 	void	*sc_ih;				/* interrupt cookie */
68 	struct	pcmcia_function *sc_pf;		/* our PCMCIA function */
69 };
70 
71 const struct cfattach sm_pcmcia_ca = {
72 	sizeof(struct sm_pcmcia_softc), sm_pcmcia_match, sm_pcmcia_attach,
73 	sm_pcmcia_detach, sm_pcmcia_activate
74 };
75 
76 int	sm_pcmcia_enable(struct smc91cxx_softc *);
77 void	sm_pcmcia_disable(struct smc91cxx_softc *);
78 
79 int	sm_pcmcia_ascii_enaddr(const char *, u_int8_t *);
80 int	sm_pcmcia_funce_enaddr(struct device *, u_int8_t *);
81 
82 int	sm_pcmcia_lannid_ciscallback(struct pcmcia_tuple *, void *);
83 
84 struct sm_pcmcia_product {
85 	u_int16_t	spp_vendor;	/* vendor ID */
86 	u_int16_t	spp_product;	/* product ID */
87 	int		spp_expfunc;	/* expected function */
88 } sm_pcmcia_prod[] = {
89 	{ PCMCIA_VENDOR_MEGAHERTZ2,	PCMCIA_PRODUCT_MEGAHERTZ2_XJACK,
90 	  0 },
91 	{ PCMCIA_VENDOR_MEGAHERTZ2,	PCMCIA_PRODUCT_MEGAHERTZ2_XJEM1144,
92 	  0 },
93 	{ PCMCIA_VENDOR_NEWMEDIA,	PCMCIA_PRODUCT_NEWMEDIA_BASICS,
94 	  0 },
95 	{ PCMCIA_VENDOR_SMC,		PCMCIA_PRODUCT_SMC_8020,
96 	  0 },
97 	{ PCMCIA_VENDOR_PSION,		PCMCIA_PRODUCT_PSION_GOLDCARD,
98 	  0 }
99 };
100 
101 int
sm_pcmcia_match(struct device * parent,void * match,void * aux)102 sm_pcmcia_match(struct device *parent, void *match, void *aux)
103 {
104 	struct pcmcia_attach_args *pa = aux;
105 	int i;
106 
107 	for (i = 0; i < nitems(sm_pcmcia_prod); i++)
108 		if (pa->manufacturer == sm_pcmcia_prod[i].spp_vendor &&
109 		    pa->product == sm_pcmcia_prod[i].spp_product &&
110 		    pa->pf->number == sm_pcmcia_prod[i].spp_expfunc)
111 			return (1);
112 	return (0);
113 }
114 
115 void
sm_pcmcia_attach(struct device * parent,struct device * self,void * aux)116 sm_pcmcia_attach(struct device *parent, struct device *self, void *aux)
117 {
118 	struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self;
119 	struct smc91cxx_softc *sc = &psc->sc_smc;
120 	struct pcmcia_attach_args *pa = aux;
121 	struct pcmcia_config_entry *cfe;
122 	u_int8_t myla[ETHER_ADDR_LEN], *enaddr = NULL;
123 	const char *intrstr;
124 
125 	psc->sc_pf = pa->pf;
126 	cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head);
127 
128 	/* Enable the card. */
129 	pcmcia_function_init(pa->pf, cfe);
130 	if (pcmcia_function_enable(pa->pf)) {
131 		printf(": function enable failed\n");
132 		return;
133 	}
134 
135 	/* XXX sanity check number of mem and i/o spaces */
136 
137 	/* Allocate and map i/o space for the card. */
138 	if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length,
139 	    cfe->iospace[0].length, &psc->sc_pcioh)) {
140 		printf(": can't allocate i/o space\n");
141 		return;
142 	}
143 
144 	sc->sc_bst = psc->sc_pcioh.iot;
145 	sc->sc_bsh = psc->sc_pcioh.ioh;
146 
147 #ifdef notyet
148 	sc->sc_enable = sm_pcmcia_enable;
149 	sc->sc_disable = sm_pcmcia_disable;
150 #endif
151 	sc->sc_enabled = 1;
152 
153 	if (pcmcia_io_map(pa->pf, (cfe->flags & PCMCIA_CFE_IO16) ?
154 	    PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8, 0, cfe->iospace[0].length,
155 	    &psc->sc_pcioh, &psc->sc_io_window)) {
156 		printf(": can't map i/o space\n");
157 		return;
158 	}
159 
160 	printf(" port 0x%lx/%lu", psc->sc_pcioh.addr,
161 	    (u_long)psc->sc_pcioh.size);
162 
163 	/*
164 	 * First try to get the Ethernet address from FUNCE/LANNID tuple.
165 	 */
166 	if (sm_pcmcia_funce_enaddr(parent, myla))
167 		enaddr = myla;
168 
169 	/*
170 	 * If that failed, try one of the CIS info strings.
171 	 */
172 	if (enaddr == NULL) {
173 		char *cisstr = NULL;
174 
175 		switch (pa->manufacturer) {
176 		case PCMCIA_VENDOR_MEGAHERTZ2:
177 			cisstr = pa->pf->sc->card.cis1_info[3];
178 			break;
179 		case PCMCIA_VENDOR_SMC:
180 			cisstr = pa->pf->sc->card.cis1_info[2];
181 			break;
182 		}
183 		if (cisstr != NULL && sm_pcmcia_ascii_enaddr(cisstr, myla))
184 			enaddr = myla;
185 	}
186 
187 	if (enaddr == NULL)
188 		printf(", unable to get Ethernet address\n");
189 
190 	psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET,
191 	    smc91cxx_intr, sc, sc->sc_dev.dv_xname);
192 	intrstr = pcmcia_intr_string(psc->sc_pf, psc->sc_ih);
193 	if (*intrstr)
194 		printf(", %s", intrstr);
195 
196 	/* Perform generic initialization. */
197 	smc91cxx_attach(sc, enaddr);
198 
199 #ifdef notyet
200 	pcmcia_function_disable(pa->pf);
201 #endif
202 }
203 
204 int
sm_pcmcia_detach(struct device * dev,int flags)205 sm_pcmcia_detach(struct device *dev, int flags)
206 {
207 	struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)dev;
208 	struct ifnet *ifp = &psc->sc_smc.sc_arpcom.ac_if;
209 	int rv = 0;
210 
211 	pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
212 	pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
213 
214 	ether_ifdetach(ifp);
215 	if_detach(ifp);
216 
217 	return (rv);
218 }
219 
220 int
sm_pcmcia_activate(struct device * dev,int act)221 sm_pcmcia_activate(struct device *dev, int act)
222 {
223 	struct sm_pcmcia_softc *sc = (struct sm_pcmcia_softc *)dev;
224 	struct ifnet *ifp = &sc->sc_smc.sc_arpcom.ac_if;
225 
226 	switch (act) {
227 	case DVACT_DEACTIVATE:
228 		ifp->if_timer = 0;
229 		if (ifp->if_flags & IFF_RUNNING)
230 			smc91cxx_stop(&sc->sc_smc);
231 		if (sc->sc_ih)
232 			pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
233 		sc->sc_ih = NULL;
234 		pcmcia_function_disable(sc->sc_pf);
235 		break;
236 	}
237 	return (0);
238 }
239 
240 int
sm_pcmcia_ascii_enaddr(const char * cisstr,u_int8_t * myla)241 sm_pcmcia_ascii_enaddr(const char *cisstr, u_int8_t *myla)
242 {
243 	char enaddr_str[12];
244 	int i, j;
245 
246 	if (strlen(cisstr) != 12) {
247 		/* Bogus address! */
248 		return (0);
249 	}
250 	bcopy(cisstr, enaddr_str, sizeof enaddr_str);
251 	for (i = 0; i < 6; i++) {
252 		for (j = 0; j < 2; j++) {
253 			/* Convert to upper case. */
254 			if (enaddr_str[(i * 2) + j] >= 'a' &&
255 			    enaddr_str[(i * 2) + j] <= 'z')
256 				enaddr_str[(i * 2) + j] -= 'a' - 'A';
257 
258 			/* Parse the digit. */
259 			if (enaddr_str[(i * 2) + j] >= '0' &&
260 			    enaddr_str[(i * 2) + j] <= '9')
261 				myla[i] |= enaddr_str[(i * 2) + j]
262 				    - '0';
263 			else if (enaddr_str[(i * 2) + j] >= 'A' &&
264 				 enaddr_str[(i * 2) + j] <= 'F')
265 				myla[i] |= enaddr_str[(i * 2) + j]
266 				    - 'A' + 10;
267 			else {
268 				/* Bogus digit!! */
269 				return (0);
270 			}
271 
272 			/* Compensate for ordering of digits. */
273 			if (j == 0)
274 				myla[i] <<= 4;
275 		}
276 	}
277 
278 	return (1);
279 }
280 
281 int
sm_pcmcia_funce_enaddr(struct device * parent,u_int8_t * myla)282 sm_pcmcia_funce_enaddr(struct device *parent, u_int8_t *myla)
283 {
284 
285 	return (pcmcia_scan_cis(parent, sm_pcmcia_lannid_ciscallback, myla));
286 }
287 
288 int
sm_pcmcia_lannid_ciscallback(struct pcmcia_tuple * tuple,void * arg)289 sm_pcmcia_lannid_ciscallback(struct pcmcia_tuple *tuple, void *arg)
290 {
291 	u_int8_t *myla = arg;
292 	int i;
293 
294 	if (tuple->code == PCMCIA_CISTPL_FUNCE || tuple->code ==
295 	    PCMCIA_CISTPL_SPCL) {
296 		/* subcode, length */
297 		if (tuple->length < 2)
298 			return (0);
299 
300 		if ((pcmcia_tuple_read_1(tuple, 0) !=
301 		     PCMCIA_TPLFE_TYPE_LAN_NID) ||
302 		    (pcmcia_tuple_read_1(tuple, 1) != ETHER_ADDR_LEN))
303 			return (0);
304 
305 		for (i = 0; i < ETHER_ADDR_LEN; i++)
306 			myla[i] = pcmcia_tuple_read_1(tuple, i + 2);
307 		return (1);
308 	}
309 	return (0);
310 }
311 
312 int
sm_pcmcia_enable(struct smc91cxx_softc * sc)313 sm_pcmcia_enable(struct smc91cxx_softc *sc)
314 {
315 	struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc;
316 
317 	/* Establish the interrupt handler. */
318 	psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, smc91cxx_intr,
319 	    sc, sc->sc_dev.dv_xname);
320 	if (psc->sc_ih == NULL) {
321 		printf("%s: couldn't establish interrupt handler\n",
322 		    sc->sc_dev.dv_xname);
323 		return (1);
324 	}
325 
326 	return (pcmcia_function_enable(psc->sc_pf));
327 }
328 
329 void
sm_pcmcia_disable(struct smc91cxx_softc * sc)330 sm_pcmcia_disable(struct smc91cxx_softc *sc)
331 {
332 	struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc;
333 
334 	pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
335 	pcmcia_function_disable(psc->sc_pf);
336 }
337