Annotation of sys/dev/pcmcia/if_an_pcmcia.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: if_an_pcmcia.c,v 1.19 2006/03/10 00:27:55 jsg Exp $ */
2:
3: /*
4: * Copyright (c) 1999 Michael Shalayeff
5: * All rights reserved.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: *
16: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19: * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
20: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21: * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22: * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
24: * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
25: * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
26: * THE POSSIBILITY OF SUCH DAMAGE.
27: */
28:
29: #include <sys/param.h>
30: #include <sys/systm.h>
31: #include <sys/device.h>
32: #include <sys/timeout.h>
33: #include <sys/socket.h>
34: #include <sys/tree.h>
35:
36: #include <net/if.h>
37: #include <net/if_dl.h>
38: #include <net/if_types.h>
39: #include <net/if_media.h>
40:
41: #include <netinet/in.h>
42: #include <netinet/if_ether.h>
43:
44: #include <net80211/ieee80211_var.h>
45: #include <net80211/ieee80211_radiotap.h>
46:
47: #include <machine/bus.h>
48:
49: #include <dev/pcmcia/pcmciareg.h>
50: #include <dev/pcmcia/pcmciavar.h>
51: #include <dev/pcmcia/pcmciadevs.h>
52:
53: #include <dev/ic/anreg.h>
54: #include <dev/ic/anvar.h>
55:
56: int an_pcmcia_match(struct device *, void *, void *);
57: void an_pcmcia_attach(struct device *, struct device *, void *);
58: int an_pcmcia_detach(struct device *, int);
59: int an_pcmcia_activate(struct device *, enum devact);
60:
61: struct an_pcmcia_softc {
62: struct an_softc sc_an;
63:
64: struct pcmcia_io_handle sc_pcioh;
65: int sc_io_window;
66: struct pcmcia_function *sc_pf;
67:
68: int sc_state;
69: #define AN_PCMCIA_ATTACHED 3
70: };
71:
72: struct cfattach an_pcmcia_ca = {
73: sizeof(struct an_pcmcia_softc), an_pcmcia_match, an_pcmcia_attach,
74: an_pcmcia_detach, an_pcmcia_activate
75: };
76:
77: int
78: an_pcmcia_match(struct device *parent, void *match, void *aux)
79: {
80: struct pcmcia_attach_args *pa = aux;
81:
82: if (pa->pf->function != PCMCIA_FUNCTION_NETWORK)
83: return 0;
84:
85: switch (pa->manufacturer) {
86: case PCMCIA_VENDOR_AIRONET:
87: switch (pa->product) {
88: case PCMCIA_PRODUCT_AIRONET_PC4500:
89: case PCMCIA_PRODUCT_AIRONET_PC4800:
90: case PCMCIA_PRODUCT_AIRONET_350:
91: return 1;
92: }
93: }
94:
95: return 0;
96: }
97:
98: void
99: an_pcmcia_attach(struct device *parent, struct device *self, void *aux)
100: {
101: struct an_pcmcia_softc *psc = (struct an_pcmcia_softc *)self;
102: struct an_softc *sc = (struct an_softc *)self;
103: struct pcmcia_attach_args *pa = aux;
104: struct pcmcia_config_entry *cfe;
105: const char *intrstr;
106: int error;
107:
108: psc->sc_pf = pa->pf;
109: cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head);
110:
111: pcmcia_function_init(pa->pf, cfe);
112: if (pcmcia_function_enable(pa->pf)) {
113: printf(": function enable failed\n");
114: return;
115: }
116:
117: if (pcmcia_io_alloc(pa->pf, 0, AN_IOSIZ, AN_IOSIZ, &psc->sc_pcioh)) {
118: printf(": can't alloc i/o space\n");
119: pcmcia_function_disable(pa->pf);
120: return;
121: }
122:
123: if (pcmcia_io_map(pa->pf, PCMCIA_WIDTH_IO16, 0, AN_IOSIZ,
124: &psc->sc_pcioh, &psc->sc_io_window)) {
125: printf(": can't map i/o space\n");
126: pcmcia_io_free(pa->pf, &psc->sc_pcioh);
127: pcmcia_function_disable(pa->pf);
128: return;
129: }
130:
131: sc->sc_iot = psc->sc_pcioh.iot;
132: sc->sc_ioh = psc->sc_pcioh.ioh;
133: sc->sc_enabled = 1;
134:
135: sc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, an_intr, sc,
136: sc->sc_dev.dv_xname);
137: intrstr = pcmcia_intr_string(psc->sc_pf, sc->sc_ih);
138: if (*intrstr)
139: printf(", %s", intrstr);
140: printf("\n");
141:
142: error = an_attach(sc);
143: if (error) {
144: printf("%s: failed to attach controller\n",
145: self->dv_xname);
146: return;
147: }
148:
149: sc->sc_enabled = 0;
150: psc->sc_state = AN_PCMCIA_ATTACHED;
151: }
152:
153: int
154: an_pcmcia_detach(struct device *dev, int flags)
155: {
156: struct an_pcmcia_softc *psc = (struct an_pcmcia_softc *)dev;
157: int error;
158:
159: if (psc->sc_state != AN_PCMCIA_ATTACHED)
160: return (0);
161:
162: error = an_detach(&psc->sc_an);
163: if (error)
164: return (error);
165:
166: pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
167: pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
168:
169: return 0;
170: }
171:
172: int
173: an_pcmcia_activate(struct device *dev, enum devact act)
174: {
175: struct an_pcmcia_softc *psc = (struct an_pcmcia_softc *)dev;
176: struct an_softc *sc = &psc->sc_an;
177: struct ieee80211com *ic = &sc->sc_ic;
178: struct ifnet *ifp = &ic->ic_if;
179: int s;
180:
181: s = splnet();
182: switch (act) {
183: case DVACT_ACTIVATE:
184: pcmcia_function_enable(psc->sc_pf);
185: sc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET,
186: an_intr, sc, sc->sc_dev.dv_xname);
187: an_init(ifp);
188: break;
189:
190: case DVACT_DEACTIVATE:
191: ifp->if_timer = 0;
192: if (ifp->if_flags & IFF_RUNNING)
193: an_stop(ifp, 1);
194: pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih);
195: pcmcia_function_disable(psc->sc_pf);
196: break;
197: }
198:
199: splx(s);
200: return (0);
201: }
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