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
56int	sm_pcmcia_match(struct device *, void *, void *);
57void	sm_pcmcia_attach(struct device *, struct device *, void *);
58int	sm_pcmcia_detach(struct device *, int);
59int	sm_pcmcia_activate(struct device *, int);
60
61struct 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
71const 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
76int	sm_pcmcia_enable(struct smc91cxx_softc *);
77void	sm_pcmcia_disable(struct smc91cxx_softc *);
78
79int	sm_pcmcia_ascii_enaddr(const char *, u_int8_t *);
80int	sm_pcmcia_funce_enaddr(struct device *, u_int8_t *);
81
82int	sm_pcmcia_lannid_ciscallback(struct pcmcia_tuple *, void *);
83
84struct 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
101int
102sm_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
115void
116sm_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
204int
205sm_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
220int
221sm_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
240int
241sm_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
281int
282sm_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
288int
289sm_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
312int
313sm_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
329void
330sm_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