xref: /netbsd-src/sys/dev/pcmcia/if_an_pcmcia.c (revision e5548b402ae4c44fb816de42c7bba9581ce23ef5)
1 /* $NetBSD: if_an_pcmcia.c,v 1.28 2005/12/11 12:23:23 christos Exp $ */
2 
3 /*-
4  * Copyright (c) 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 Atsushi Onoe
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_an_pcmcia.c,v 1.28 2005/12/11 12:23:23 christos Exp $");
41 
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/callout.h>
45 #include <sys/mbuf.h>
46 #include <sys/socket.h>
47 #include <sys/ioctl.h>
48 #include <sys/errno.h>
49 #include <sys/syslog.h>
50 #include <sys/select.h>
51 #include <sys/device.h>
52 
53 #include <net/if.h>
54 #include <net/if_dl.h>
55 #include <net/if_ether.h>
56 #include <net/if_media.h>
57 
58 #include <net80211/ieee80211_netbsd.h>
59 #include <net80211/ieee80211_var.h>
60 
61 #include <machine/cpu.h>
62 #include <machine/bus.h>
63 #include <machine/intr.h>
64 
65 #include <dev/ic/anreg.h>
66 #include <dev/ic/anvar.h>
67 
68 #include <dev/pcmcia/pcmciareg.h>
69 #include <dev/pcmcia/pcmciavar.h>
70 #include <dev/pcmcia/pcmciadevs.h>
71 
72 static int an_pcmcia_match(struct device *, struct cfdata *, void *);
73 static int an_pcmcia_validate_config(struct pcmcia_config_entry *);
74 static void an_pcmcia_attach(struct device *, struct device *, void *);
75 static int an_pcmcia_detach(struct device *, int);
76 static int an_pcmcia_enable(struct an_softc *);
77 static void an_pcmcia_disable(struct an_softc *);
78 
79 struct an_pcmcia_softc {
80 	struct an_softc sc_an;			/* real "an" softc */
81 
82 	/* PCMCIA-specific goo */
83 	struct pcmcia_io_handle sc_pcioh;	/* PCMCIA i/o space info */
84 	int sc_io_window;			/* our i/o window */
85 	struct pcmcia_function *sc_pf;		/* our PCMCIA function */
86 	void *sc_ih;				/* interrupt handle */
87 	void *sc_powerhook;			/* power hook descriptor */
88 
89 	int sc_state;
90 #define	AN_PCMCIA_ATTACHED	3
91 };
92 
93 CFATTACH_DECL(an_pcmcia, sizeof(struct an_pcmcia_softc),
94     an_pcmcia_match, an_pcmcia_attach, an_pcmcia_detach, an_activate);
95 
96 static const struct pcmcia_product an_pcmcia_products[] = {
97 	{ PCMCIA_VENDOR_AIRONET,	PCMCIA_PRODUCT_AIRONET_PC4800,
98 	  PCMCIA_CIS_AIRONET_PC4800 },
99 	{ PCMCIA_VENDOR_AIRONET,	PCMCIA_PRODUCT_AIRONET_PC4500,
100 	  PCMCIA_CIS_AIRONET_PC4500 },
101 	{ PCMCIA_VENDOR_AIRONET,	PCMCIA_PRODUCT_AIRONET_350,
102 	  PCMCIA_CIS_AIRONET_350 },
103 };
104 static const size_t an_pcmcia_nproducts =
105     sizeof(an_pcmcia_products) / sizeof(an_pcmcia_products[0]);
106 
107 static int
108 an_pcmcia_match(parent, match, aux)
109 	struct device *parent;
110 	struct cfdata *match;
111 	void *aux;
112 {
113 	struct pcmcia_attach_args *pa = aux;
114 
115 	if (pcmcia_product_lookup(pa, an_pcmcia_products, an_pcmcia_nproducts,
116 	    sizeof(an_pcmcia_products[0]), NULL))
117 		return (1);
118 	return (0);
119 }
120 
121 static int
122 an_pcmcia_validate_config(cfe)
123 	struct pcmcia_config_entry *cfe;
124 {
125 	if (cfe->iftype != PCMCIA_IFTYPE_IO ||
126 	    cfe->num_iospace < 1)
127 		return (EINVAL);
128 	return (0);
129 }
130 
131 static void
132 an_pcmcia_attach(parent, self, aux)
133 	struct device  *parent, *self;
134 	void           *aux;
135 {
136 	struct an_pcmcia_softc *psc = (void *)self;
137 	struct an_softc *sc = &psc->sc_an;
138 	struct pcmcia_attach_args *pa = aux;
139 	struct pcmcia_config_entry *cfe;
140 	int error;
141 
142 	psc->sc_pf = pa->pf;
143 
144 	error = pcmcia_function_configure(pa->pf, an_pcmcia_validate_config);
145 	if (error) {
146 		aprint_error("%s: configure failed, error=%d\n", self->dv_xname,
147 		    error);
148 		return;
149 	}
150 
151 	cfe = pa->pf->cfe;
152 	sc->sc_iot = cfe->iospace[0].handle.iot;
153 	sc->sc_ioh = cfe->iospace[0].handle.ioh;
154 
155 	error = an_pcmcia_enable(sc);
156 	if (error)
157 		goto fail;
158 
159 	sc->sc_enabled = 1;
160 	sc->sc_enable = an_pcmcia_enable;
161 	sc->sc_disable = an_pcmcia_disable;
162 
163 	error = an_attach(sc);
164 	if (error) {
165 		aprint_error("%s: failed to attach controller\n",
166 		    self->dv_xname);
167 		goto fail2;
168 	}
169 
170 	psc->sc_powerhook = powerhook_establish(an_power, sc);
171 
172 	an_pcmcia_disable(sc);
173 	sc->sc_enabled = 0;
174 	psc->sc_state = AN_PCMCIA_ATTACHED;
175 	return;
176 
177 fail2:
178 	an_pcmcia_disable(sc);
179 	sc->sc_enabled = 0;
180 fail:
181 	pcmcia_function_unconfigure(pa->pf);
182 }
183 
184 
185 static int
186 an_pcmcia_detach(self, flags)
187 	struct device *self;
188 	int flags;
189 {
190 	struct an_pcmcia_softc *psc = (void *)self;
191 	int error;
192 
193 	if (psc->sc_state != AN_PCMCIA_ATTACHED)
194 		return (0);
195 
196 	if (psc->sc_powerhook)
197 		powerhook_disestablish(psc->sc_powerhook);
198 
199 	error = an_detach(&psc->sc_an);
200 	if (error)
201 		return (error);
202 
203 	pcmcia_function_unconfigure(psc->sc_pf);
204 
205 	return (0);
206 }
207 
208 static int
209 an_pcmcia_enable(sc)
210 	struct an_softc *sc;
211 {
212 	struct an_pcmcia_softc *psc = (void *)sc;
213 	int error;
214 
215 	/* establish the interrupt. */
216 	psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, an_intr, sc);
217 	if (!psc->sc_ih)
218 		return (EIO);
219 
220 	error = pcmcia_function_enable(psc->sc_pf);
221 	if (error) {
222 		pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
223 		psc->sc_ih = 0;
224 	}
225 
226 	return (error);
227 }
228 
229 static void
230 an_pcmcia_disable(sc)
231 	struct an_softc *sc;
232 {
233 	struct an_pcmcia_softc *psc = (void *)sc;
234 
235 	pcmcia_function_disable(psc->sc_pf);
236 	pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
237 	psc->sc_ih = 0;
238 }
239