if_wi_obio.c revision 1.8 
1/*	$NetBSD: if_wi_obio.c,v 1.8 2003/11/16 09:02:42 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 1.8 2003/11/16 09:02:42 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#include <net80211/ieee80211_radiotap.h>
47#endif
48
49#include <machine/autoconf.h>
50#include <machine/bus.h>
51
52#include <dev/ic/wi_ieee.h>
53#include <dev/ic/wireg.h>
54#include <dev/ic/wivar.h>
55
56int wi_obio_match(struct device *, struct cfdata *, void *);
57void wi_obio_attach(struct device *, struct device *, void *);
58int wi_obio_enable(struct wi_softc *);
59void wi_obio_disable(struct wi_softc *);
60void wi_obio_powerhook(int, void *);
61void wi_obio_shutdown(void *);
62
63struct wi_obio_softc {
64	struct wi_softc sc_wi;
65	void *sc_powerhook;
66	void *sc_sdhook;
67};
68
69CFATTACH_DECL(wi_obio, sizeof(struct wi_obio_softc),
70    wi_obio_match, wi_obio_attach, NULL, NULL);
71
72int
73wi_obio_match(parent, match, aux)
74	struct device *parent;
75	struct cfdata *match;
76	void *aux;
77{
78	struct confargs *ca = aux;
79
80	if (ca->ca_nintr < 4 || ca->ca_nreg < 8)
81		return 0;
82
83	if (strcmp(ca->ca_name, "radio") != 0)
84		return 0;
85
86	return 1;
87}
88
89void
90wi_obio_attach(parent, self, aux)
91	struct device *parent, *self;
92	void *aux;
93{
94	struct wi_obio_softc *sc = (void *)self;
95	struct wi_softc *wisc = &sc->sc_wi;
96	struct confargs *ca = aux;
97
98	printf(" irq %d:", ca->ca_intr[0]);
99	intr_establish(ca->ca_intr[0], IST_LEVEL, IPL_NET, wi_intr, sc);
100
101	wisc->sc_iot =
102	    macppc_make_bus_space_tag(ca->ca_baseaddr + ca->ca_reg[0], 0);
103	if (bus_space_map(wisc->sc_iot, 0, ca->ca_reg[1], 0, &wisc->sc_ioh)) {
104		printf(" can't map i/o space\n");
105		return;
106	}
107
108	wisc->sc_enabled = 1;
109	wisc->sc_enable = wi_obio_enable;
110	wisc->sc_disable = wi_obio_disable;
111
112	if (wi_attach(wisc)) {
113		printf("%s: failed to attach controller\n", self->dv_xname);
114		return;
115	}
116
117	sc->sc_sdhook = shutdownhook_establish(wi_obio_shutdown, sc);
118	sc->sc_powerhook = powerhook_establish(wi_obio_powerhook, sc);
119
120	/* Disable the card. */
121	wisc->sc_enabled = 0;
122	wi_obio_disable(wisc);
123}
124
125int
126wi_obio_enable(sc)
127	struct wi_softc *sc;
128{
129	const u_int keywest = 0x80000000;	/* XXX */
130	const u_int fcr2 = keywest + 0x40;
131	const u_int gpio = keywest + 0x6a;
132	const u_int extint_gpio = keywest + 0x58;
133	u_int x;
134
135	x = in32rb(fcr2);
136	x |= 0x4;
137	out32rb(fcr2, x);
138
139	/* Enable card slot. */
140	out8(gpio + 0x0f, 5);
141	delay(1000);
142	out8(gpio + 0x0f, 4);
143	delay(1000);
144
145	x = in32rb(fcr2);
146	x &= ~0x8000000;
147
148	out32rb(fcr2, x);
149	/* out8(gpio + 0x10, 4); */
150
151	out8(extint_gpio + 0x0b, 0);
152	out8(extint_gpio + 0x0a, 0x28);
153	out8(extint_gpio + 0x0d, 0x28);
154	out8(gpio + 0x0d, 0x28);
155	out8(gpio + 0x0e, 0x28);
156	out32rb(keywest + 0x1c000, 0);
157
158	/* Initialize the card. */
159	out32rb(keywest + 0x1a3e0, 0x41);
160	x = in32rb(fcr2);
161	x |= 0x8000000;
162	out32rb(fcr2, x);
163
164	return 0;
165}
166
167void
168wi_obio_disable(sc)
169	struct wi_softc *sc;
170{
171	const u_int keywest = 0x80000000;	/* XXX */
172	const u_int fcr2 = keywest + 0x40;
173	u_int x;
174
175	x = in32rb(fcr2);
176	x &= ~0x4;
177	out32rb(fcr2, x);
178	/* out8(gpio + 0x10, 0); */
179}
180
181void
182wi_obio_powerhook(why, arg)
183	int why;
184	void *arg;
185{
186	struct wi_softc *sc = arg;
187
188	wi_power(sc, why);
189}
190
191void
192wi_obio_shutdown(arg)
193	void *arg;
194{
195	struct wi_softc *sc = arg;
196
197	wi_shutdown(sc);
198}
199