1/*	$NetBSD: if_mbe_pcmcia.c,v 1.47 2016/07/07 06:55:42 msaitoh 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 1.47 2016/07/07 06:55:42 msaitoh 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
54int	mbe_pcmcia_match(device_t, cfdata_t, void *);
55int	mbe_pcmcia_validate_config(struct pcmcia_config_entry *);
56void	mbe_pcmcia_attach(device_t, device_t, void *);
57int	mbe_pcmcia_detach(device_t, int);
58
59struct 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
69CFATTACH_DECL_NEW(mbe_pcmcia, sizeof(struct mbe_pcmcia_softc),
70    mbe_pcmcia_match, mbe_pcmcia_attach, mbe_pcmcia_detach, mb86960_activate);
71
72int	mbe_pcmcia_enable(struct mb86960_softc *);
73void	mbe_pcmcia_disable(struct mb86960_softc *);
74
75struct mbe_pcmcia_get_enaddr_args {
76	uint8_t enaddr[ETHER_ADDR_LEN];
77	int maddr;
78};
79int	mbe_pcmcia_get_enaddr_from_cis(struct pcmcia_tuple *, void *);
80int	mbe_pcmcia_get_enaddr_from_mem(struct mbe_pcmcia_softc *,
81	    struct mbe_pcmcia_get_enaddr_args *);
82int	mbe_pcmcia_get_enaddr_from_io(struct mbe_pcmcia_softc *,
83	    struct mbe_pcmcia_get_enaddr_args *);
84
85static 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};
137static const size_t mbe_pcmcia_nproducts = __arraycount(mbe_pcmcia_products);
138
139int
140mbe_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,
145	    mbe_pcmcia_nproducts, sizeof(mbe_pcmcia_products[0]), NULL))
146		return 1;
147	return 0;
148}
149
150int
151mbe_pcmcia_validate_config(struct pcmcia_config_entry *cfe)
152{
153
154	if (cfe->iftype != PCMCIA_IFTYPE_IO || cfe->num_iospace < 1)
155		return EINVAL;
156	return 0;
157}
158
159void
160mbe_pcmcia_attach(device_t parent, device_t self, void *aux)
161{
162	struct mbe_pcmcia_softc *psc = device_private(self);
163	struct mb86960_softc *sc = &psc->sc_mb86960;
164	struct pcmcia_attach_args *pa = aux;
165	struct pcmcia_config_entry *cfe;
166	struct mbe_pcmcia_get_enaddr_args pgea;
167	const struct mbe_pcmcia_product *mpp;
168	int error;
169
170	sc->sc_dev = self;
171	psc->sc_pf = pa->pf;
172
173	error = pcmcia_function_configure(pa->pf, mbe_pcmcia_validate_config);
174	if (error) {
175		aprint_error_dev(self, "configure failed, error=%d\n", error);
176		return;
177	}
178
179	cfe = pa->pf->cfe;
180	sc->sc_bst = cfe->iospace[0].handle.iot;
181	sc->sc_bsh = cfe->iospace[0].handle.ioh;
182
183	mpp = pcmcia_product_lookup(pa, mbe_pcmcia_products,
184	    mbe_pcmcia_nproducts, sizeof(mbe_pcmcia_products[0]), NULL);
185	if (!mpp)
186		panic("%s: impossible", __func__);
187
188	/* Read station address from io/mem or CIS. */
189	if (mpp->mpp_enet_maddr >= 0) {
190		pgea.maddr = mpp->mpp_enet_maddr;
191		if (mbe_pcmcia_get_enaddr_from_mem(psc, &pgea) != 0) {
192			aprint_error_dev(self, "couldn't get ethernet address "
193			    "from memory\n");
194			goto fail;
195		}
196	} else if (mpp->mpp_flags & MBH10302) {
197		bus_space_write_1(sc->sc_bst, sc->sc_bsh, FE_MBH0 ,
198				  FE_MBH0_MASK | FE_MBH0_INTR_ENABLE);
199		if (mbe_pcmcia_get_enaddr_from_io(psc, &pgea) != 0) {
200			aprint_error_dev(self,
201			    "couldn't get ethernet address from i/o\n");
202			goto fail;
203		}
204	} else {
205		if (pa->pf->pf_funce_lan_nidlen != ETHER_ADDR_LEN) {
206			aprint_error_dev(self,
207			    "couldn't get ethernet address from CIS\n");
208			goto fail;
209		}
210		memcpy(pgea.enaddr, pa->pf->pf_funce_lan_nid, ETHER_ADDR_LEN);
211	}
212
213	/* Perform generic initialization. */
214	if (mpp->mpp_flags & MBH10302)
215		sc->sc_flags |= FE_FLAGS_MB86960;
216
217	sc->sc_enable = mbe_pcmcia_enable;
218	sc->sc_disable = mbe_pcmcia_disable;
219
220	error = mbe_pcmcia_enable(sc);
221	if (error)
222		goto fail;
223
224	mb86960_attach(sc, pgea.enaddr);
225	mb86960_config(sc, NULL, 0, 0);
226
227	mbe_pcmcia_disable(sc);
228	psc->sc_state = MBE_PCMCIA_ATTACHED;
229	return;
230
231fail:
232	pcmcia_function_unconfigure(pa->pf);
233}
234
235int
236mbe_pcmcia_detach(device_t self, int flags)
237{
238	struct mbe_pcmcia_softc *psc = device_private(self);
239	int error;
240
241	if (psc->sc_state != MBE_PCMCIA_ATTACHED)
242		return 0;
243
244	error = mb86960_detach(&psc->sc_mb86960);
245	if (error)
246		return error;
247
248	pcmcia_function_unconfigure(psc->sc_pf);
249
250	return 0;
251}
252
253int
254mbe_pcmcia_enable(struct mb86960_softc *sc)
255{
256	struct mbe_pcmcia_softc *psc = (struct mbe_pcmcia_softc *)sc;
257	int error;
258
259	/* Establish the interrupt handler. */
260	psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, mb86960_intr,
261	    sc);
262	if (!psc->sc_ih)
263		return EIO;
264
265	error = pcmcia_function_enable(psc->sc_pf);
266	if (error) {
267		pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
268		psc->sc_ih = 0;
269	}
270
271	return error;
272}
273
274void
275mbe_pcmcia_disable(struct mb86960_softc *sc)
276{
277	struct mbe_pcmcia_softc *psc = (struct mbe_pcmcia_softc *)sc;
278
279	pcmcia_function_disable(psc->sc_pf);
280	pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
281	psc->sc_ih = 0;
282}
283
284int
285mbe_pcmcia_get_enaddr_from_io(struct mbe_pcmcia_softc *psc,
286    struct mbe_pcmcia_get_enaddr_args *ea)
287{
288	struct mb86960_softc *sc = &psc->sc_mb86960;
289	int i;
290
291	for (i = 0; i < ETHER_ADDR_LEN; i++)
292		ea->enaddr[i] = bus_space_read_1(sc->sc_bst, sc->sc_bsh,
293		    FE_MBH_ENADDR + i);
294	return 0;
295}
296
297int
298mbe_pcmcia_get_enaddr_from_mem(struct mbe_pcmcia_softc *psc,
299    struct mbe_pcmcia_get_enaddr_args *ea)
300{
301	struct mb86960_softc *sc = &psc->sc_mb86960;
302	struct pcmcia_mem_handle pcmh;
303	bus_size_t offset;
304	int i, mwindow, rv = 1;
305
306	if (ea->maddr < 0)
307		goto bad_memaddr;
308
309	if (pcmcia_mem_alloc(psc->sc_pf, ETHER_ADDR_LEN * 2, &pcmh)) {
310		aprint_error_dev(sc->sc_dev, "can't alloc mem for enet addr\n");
311		goto memalloc_failed;
312	}
313
314	if (pcmcia_mem_map(psc->sc_pf, PCMCIA_MEM_ATTR, ea->maddr,
315	    ETHER_ADDR_LEN * 2, &pcmh, &offset, &mwindow)) {
316		aprint_error_dev(sc->sc_dev, "can't map mem for enet addr\n");
317		goto memmap_failed;
318	}
319
320	for (i = 0; i < ETHER_ADDR_LEN; i++)
321		ea->enaddr[i] = bus_space_read_1(pcmh.memt, pcmh.memh,
322		    offset + (i * 2));
323
324	rv = 0;
325	pcmcia_mem_unmap(psc->sc_pf, mwindow);
326memmap_failed:
327	pcmcia_mem_free(psc->sc_pf, &pcmh);
328memalloc_failed:
329bad_memaddr:
330
331	return rv;
332}
333