if_wi_obio.c revision 1.7 
1/*	$NetBSD: if_wi_obio.c,v 1.7 2003/10/13 08:07:21 dyoung Exp $	*/
2
3/*-
4 * Copyright (c) 2001 Tsubai Masanari.  All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 *    derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
30__KERNEL_RCSID(0, "$NetBSD: if_wi_obio.c,v 1.7 2003/10/13 08:07:21 dyoung Exp $");
31
32#include "opt_inet.h"
33
34#include <sys/param.h>
35#include <sys/callout.h>
36#include <sys/device.h>
37#include <sys/socket.h>
38#include <sys/systm.h>
39
40#ifdef INET
41#include <net/if.h>
42#include <net/if_ether.h>
43#include <net/if_media.h>
44#include <net80211/ieee80211_var.h>
45#include <net80211/ieee80211_compat.h>
46#endif
47
48#include <machine/autoconf.h>
49#include <machine/bus.h>
50
51#include <dev/ic/wi_ieee.h>
52#include <dev/ic/wireg.h>
53#include <dev/ic/wivar.h>
54
55int wi_obio_match(struct device *, struct cfdata *, void *);
56void wi_obio_attach(struct device *, struct device *, void *);
57int wi_obio_enable(struct wi_softc *);
58void wi_obio_disable(struct wi_softc *);
59void wi_obio_powerhook(int, void *);
60void wi_obio_shutdown(void *);
61
62struct wi_obio_softc {
63	struct wi_softc sc_wi;
64	void *sc_powerhook;
65	void *sc_sdhook;
66};
67
68CFATTACH_DECL(wi_obio, sizeof(struct wi_obio_softc),
69    wi_obio_match, wi_obio_attach, NULL, NULL);
70
71int
72wi_obio_match(parent, match, aux)
73	struct device *parent;
74	struct cfdata *match;
75	void *aux;
76{
77	struct confargs *ca = aux;
78
79	if (ca->ca_nintr < 4 || ca->ca_nreg < 8)
80		return 0;
81
82	if (strcmp(ca->ca_name, "radio") != 0)
83		return 0;
84
85	return 1;
86}
87
88void
89wi_obio_attach(parent, self, aux)
90	struct device *parent, *self;
91	void *aux;
92{
93	struct wi_obio_softc *sc = (void *)self;
94	struct wi_softc *wisc = &sc->sc_wi;
95	struct confargs *ca = aux;
96
97	printf(" irq %d:", ca->ca_intr[0]);
98	intr_establish(ca->ca_intr[0], IST_LEVEL, IPL_NET, wi_intr, sc);
99
100	wisc->sc_iot =
101	    macppc_make_bus_space_tag(ca->ca_baseaddr + ca->ca_reg[0], 0);
102	if (bus_space_map(wisc->sc_iot, 0, ca->ca_reg[1], 0, &wisc->sc_ioh)) {
103		printf(" can't map i/o space\n");
104		return;
105	}
106
107	wisc->sc_enabled = 1;
108	wisc->sc_enable = wi_obio_enable;
109	wisc->sc_disable = wi_obio_disable;
110
111	if (wi_attach(wisc)) {
112		printf("%s: failed to attach controller\n", self->dv_xname);
113		return;
114	}
115
116	sc->sc_sdhook = shutdownhook_establish(wi_obio_shutdown, sc);
117	sc->sc_powerhook = powerhook_establish(wi_obio_powerhook, sc);
118
119	/* Disable the card. */
120	wisc->sc_enabled = 0;
121	wi_obio_disable(wisc);
122}
123
124int
125wi_obio_enable(sc)
126	struct wi_softc *sc;
127{
128	const u_int keywest = 0x80000000;	/* XXX */
129	const u_int fcr2 = keywest + 0x40;
130	const u_int gpio = keywest + 0x6a;
131	const u_int extint_gpio = keywest + 0x58;
132	u_int x;
133
134	x = in32rb(fcr2);
135	x |= 0x4;
136	out32rb(fcr2, x);
137
138	/* Enable card slot. */
139	out8(gpio + 0x0f, 5);
140	delay(1000);
141	out8(gpio + 0x0f, 4);
142	delay(1000);
143
144	x = in32rb(fcr2);
145	x &= ~0x8000000;
146
147	out32rb(fcr2, x);
148	/* out8(gpio + 0x10, 4); */
149
150	out8(extint_gpio + 0x0b, 0);
151	out8(extint_gpio + 0x0a, 0x28);
152	out8(extint_gpio + 0x0d, 0x28);
153	out8(gpio + 0x0d, 0x28);
154	out8(gpio + 0x0e, 0x28);
155	out32rb(keywest + 0x1c000, 0);
156
157	/* Initialize the card. */
158	out32rb(keywest + 0x1a3e0, 0x41);
159	x = in32rb(fcr2);
160	x |= 0x8000000;
161	out32rb(fcr2, x);
162
163	return 0;
164}
165
166void
167wi_obio_disable(sc)
168	struct wi_softc *sc;
169{
170	const u_int keywest = 0x80000000;	/* XXX */
171	const u_int fcr2 = keywest + 0x40;
172	u_int x;
173
174	x = in32rb(fcr2);
175	x &= ~0x4;
176	out32rb(fcr2, x);
177	/* out8(gpio + 0x10, 0); */
178}
179
180void
181wi_obio_powerhook(why, arg)
182	int why;
183	void *arg;
184{
185	struct wi_softc *sc = arg;
186
187	wi_power(sc, why);
188}
189
190void
191wi_obio_shutdown(arg)
192	void *arg;
193{
194	struct wi_softc *sc = arg;
195
196	wi_shutdown(sc);
197}
198