if_wi_obio.c revision 1.5 
1/*	$NetBSD: if_wi_obio.c,v 1.5 2003/07/09 14:30:29 he 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 "opt_inet.h"
30
31#include <sys/param.h>
32#include <sys/callout.h>
33#include <sys/device.h>
34#include <sys/socket.h>
35#include <sys/systm.h>
36
37#ifdef INET
38#include <net/if.h>
39#include <net/if_ether.h>
40#include <net/if_media.h>
41#include <net/if_ieee80211.h>
42#endif
43
44#include <machine/autoconf.h>
45#include <machine/bus.h>
46
47#include <dev/ic/wi_ieee.h>
48#include <dev/ic/wireg.h>
49#include <dev/ic/wivar.h>
50
51int wi_obio_match(struct device *, struct cfdata *, void *);
52void wi_obio_attach(struct device *, struct device *, void *);
53int wi_obio_enable(struct wi_softc *);
54void wi_obio_disable(struct wi_softc *);
55void wi_obio_powerhook(int, void *);
56void wi_obio_shutdown(void *);
57
58struct wi_obio_softc {
59	struct wi_softc sc_wi;
60	void *sc_powerhook;
61	void *sc_sdhook;
62};
63
64CFATTACH_DECL(wi_obio, sizeof(struct wi_obio_softc),
65    wi_obio_match, wi_obio_attach, NULL, NULL);
66
67int
68wi_obio_match(parent, match, aux)
69	struct device *parent;
70	struct cfdata *match;
71	void *aux;
72{
73	struct confargs *ca = aux;
74
75	if (ca->ca_nintr < 4 || ca->ca_nreg < 8)
76		return 0;
77
78	if (strcmp(ca->ca_name, "radio") != 0)
79		return 0;
80
81	return 1;
82}
83
84void
85wi_obio_attach(parent, self, aux)
86	struct device *parent, *self;
87	void *aux;
88{
89	struct wi_obio_softc *sc = (void *)self;
90	struct wi_softc *wisc = &sc->sc_wi;
91	struct confargs *ca = aux;
92
93	printf(" irq %d:", ca->ca_intr[0]);
94	intr_establish(ca->ca_intr[0], IST_LEVEL, IPL_NET, wi_intr, sc);
95
96	wisc->sc_iot =
97	    macppc_make_bus_space_tag(ca->ca_baseaddr + ca->ca_reg[0], 0);
98	if (bus_space_map(wisc->sc_iot, 0, ca->ca_reg[1], 0, &wisc->sc_ioh)) {
99		printf(" can't map i/o space\n");
100		return;
101	}
102
103	wisc->sc_enabled = 1;
104	wisc->sc_enable = wi_obio_enable;
105	wisc->sc_disable = wi_obio_disable;
106
107	if (wi_attach(wisc)) {
108		printf("%s: failed to attach controller\n", self->dv_xname);
109		return;
110	}
111
112	sc->sc_sdhook = shutdownhook_establish(wi_obio_shutdown, sc);
113	sc->sc_powerhook = powerhook_establish(wi_obio_powerhook, sc);
114
115	/* Disable the card. */
116	wisc->sc_enabled = 0;
117	wi_obio_disable(wisc);
118}
119
120int
121wi_obio_enable(sc)
122	struct wi_softc *sc;
123{
124	const u_int keywest = 0x80000000;	/* XXX */
125	const u_int fcr2 = keywest + 0x40;
126	const u_int gpio = keywest + 0x6a;
127	const u_int extint_gpio = keywest + 0x58;
128	u_int x;
129
130	x = in32rb(fcr2);
131	x |= 0x4;
132	out32rb(fcr2, x);
133
134	/* Enable card slot. */
135	out8(gpio + 0x0f, 5);
136	delay(1000);
137	out8(gpio + 0x0f, 4);
138	delay(1000);
139
140	x = in32rb(fcr2);
141	x &= ~0x8000000;
142
143	out32rb(fcr2, x);
144	/* out8(gpio + 0x10, 4); */
145
146	out8(extint_gpio + 0x0b, 0);
147	out8(extint_gpio + 0x0a, 0x28);
148	out8(extint_gpio + 0x0d, 0x28);
149	out8(gpio + 0x0d, 0x28);
150	out8(gpio + 0x0e, 0x28);
151	out32rb(keywest + 0x1c000, 0);
152
153	/* Initialize the card. */
154	out32rb(keywest + 0x1a3e0, 0x41);
155	x = in32rb(fcr2);
156	x |= 0x8000000;
157	out32rb(fcr2, x);
158
159	return 0;
160}
161
162void
163wi_obio_disable(sc)
164	struct wi_softc *sc;
165{
166	const u_int keywest = 0x80000000;	/* XXX */
167	const u_int fcr2 = keywest + 0x40;
168	u_int x;
169
170	x = in32rb(fcr2);
171	x &= ~0x4;
172	out32rb(fcr2, x);
173	/* out8(gpio + 0x10, 0); */
174}
175
176void
177wi_obio_powerhook(why, arg)
178	int why;
179	void *arg;
180{
181	struct wi_softc *sc = arg;
182
183	wi_power(sc, why);
184}
185
186void
187wi_obio_shutdown(arg)
188	void *arg;
189{
190	struct wi_softc *sc = arg;
191
192	wi_shutdown(sc);
193}
194