if_ath_arbus.c revision 1.3.2.3 1 /* $NetBSD: if_ath_arbus.c,v 1.3.2.3 2006/06/26 12:44:55 yamt Exp $ */
2
3 /*-
4 * Copyright (c) 2006 Jared D. McNeill <jmcneill (at) invisible.ca>
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 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by the NetBSD
18 * Foundation, Inc. and its contributors.
19 * 4. Neither the name of The NetBSD Foundation nor the names of its
20 * contributors may be used to endorse or promote products derived
21 * from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 * POSSIBILITY OF SUCH DAMAGE.
34 */
35
36 #include <sys/cdefs.h>
37 __KERNEL_RCSID(0, "$NetBSD: if_ath_arbus.c,v 1.3.2.3 2006/06/26 12:44:55 yamt Exp $");
38
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/mbuf.h>
42 #include <sys/malloc.h>
43 #include <sys/kernel.h>
44 #include <sys/errno.h>
45 #include <sys/device.h>
46
47 #include <machine/bus.h>
48 #include <machine/intr.h>
49
50 #include <net/if.h>
51 #include <net/if_media.h>
52 #include <net/if_ether.h>
53 #include <net/if_llc.h>
54 #include <net/if_arp.h>
55
56 #include <netinet/in.h>
57
58 #include <net80211/ieee80211_netbsd.h>
59 #include <net80211/ieee80211_var.h>
60
61 #include <mips/atheros/include/ar531xreg.h>
62 #include <mips/atheros/include/ar531xvar.h>
63 #include <mips/atheros/include/arbusvar.h>
64
65 #include <dev/ic/ath_netbsd.h>
66 #include <dev/ic/athvar.h>
67 #include <contrib/dev/ic/athhal.h>
68
69 struct ath_arbus_softc {
70 struct ath_softc sc_ath;
71 bus_space_tag_t sc_iot;
72 bus_space_handle_t sc_ioh;
73 void *sc_ih;
74 struct ar531x_config sc_config;
75 };
76
77 static int ath_arbus_match(struct device *, struct cfdata *, void *);
78 static void ath_arbus_attach(struct device *, struct device *, void *);
79 static int ath_arbus_detach(struct device *, int);
80 static void ath_arbus_shutdown(void *);
81
82 CFATTACH_DECL(ath_arbus, sizeof(struct ath_arbus_softc),
83 ath_arbus_match, ath_arbus_attach, ath_arbus_detach, NULL);
84
85 static int
86 ath_arbus_match(struct device *parent, struct cfdata *cf, void *opaque)
87 {
88 struct arbus_attach_args *aa;
89
90 aa = (struct arbus_attach_args *)opaque;
91 if (strcmp(aa->aa_name, "ath") == 0)
92 return 1;
93
94 return 0;
95 }
96
97 static void
98 ath_arbus_attach(struct device *parent, struct device *self, void *opaque)
99 {
100 struct ath_arbus_softc *asc;
101 struct ath_softc *sc;
102 struct arbus_attach_args *aa;
103 const char *name;
104 void *hook;
105 int rv;
106
107 asc = (struct ath_arbus_softc *)self;
108 sc = &asc->sc_ath;
109 aa = (struct arbus_attach_args *)opaque;
110
111 printf(": Atheros AR531X WLAN\n");
112
113 if ((board = ar531x_board_info()) == NULL) {
114 aprint_error("%s: unable to get board identity\n",
115 sc->sc_dev.dv_xname);
116 return;
117 }
118
119 asc->sc_iot = aa->aa_bst;
120 rv = bus_space_map(asc->sc_iot, aa->aa_addr, aa->aa_size, 0,
121 &asc->sc_ioh);
122 if (rv) {
123 aprint_error("%s: unable to map registers\n",
124 sc->sc_dev.dv_xname);
125 return;
126 }
127 /*
128 * Setup HAL configuration state for use by the driver.
129 */
130 rv = ar531x_board_config(&asc->sc_config);
131 if (rv) {
132 aprint_error("%s: unable to locate board configuration\n",
133 sc->sc_dev.dv_xname);
134 return;
135 }
136 asc->sc_config.unit = sc->sc_dev.dv_unit; /* XXX? */
137 asc->sc_config.tag = asc->sc_iot;
138
139 <<<<<<< if_ath_arbus.c
140 sc->sc_st = asc->sc_iot;
141 sc->sc_sh = asc->sc_ioh;
142 =======
143 /* NB: the HAL expects the config state passed as the tag */
144 sc->sc_st = (HAL_BUS_TAG) &asc->sc_config;
145 sc->sc_sh = (HAL_BUS_HANDLE) asc->sc_ioh;
146 sc->sc_dmat = aa->aa_dmat;
147 >>>>>>> 1.4
148
149 sc->sc_invalid = 1;
150
151 asc->sc_ih = arbus_intr_establish(aa->aa_irq, ath_intr, sc);
152 if (asc->sc_ih == NULL) {
153 aprint_error("%s: couldn't establish interrupt\n",
154 sc->sc_dev.dv_xname);
155 return;
156 }
157
158 hook = shutdownhook_establish(ath_arbus_shutdown, asc);
159 if (hook == NULL) {
160 aprint_error("%s: couldn't establish shutdown hook\n",
161 sc->sc_dev.dv_xname);
162 goto err;
163 }
164
165 ath_attach(board->ab_pci_id, sc);
166
167 return;
168
169 err:
170 arbus_intr_disestablish(asc->sc_ih);
171 }
172
173 static int
174 ath_arbus_detach(struct device *self, int flags)
175 {
176 struct ath_arbus_softc *asc = (struct ath_arbus_softc *)self;
177
178 ath_detach(&asc->sc_ath);
179 arbus_intr_disestablish(asc->sc_ih);
180
181 return (0);
182 }
183
184 static void
185 ath_arbus_shutdown(void *opaque)
186 {
187 struct ath_arbus_softc *asc = opaque;
188
189 ath_shutdown(&asc->sc_ath);
190
191 return;
192 }
193