if_wi_obio.c revision 1.6 
1/*	$NetBSD: if_wi_obio.c,v 1.6 2003/07/15 02:43:29 lukem 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 1.6 2003/07/15 02:43:29 lukem 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 <net/if_ieee80211.h>
45#endif
46
47#include <machine/autoconf.h>
48#include <machine/bus.h>
49
50#include <dev/ic/wi_ieee.h>
51#include <dev/ic/wireg.h>
52#include <dev/ic/wivar.h>
53
54int wi_obio_match(struct device *, struct cfdata *, void *);
55void wi_obio_attach(struct device *, struct device *, void *);
56int wi_obio_enable(struct wi_softc *);
57void wi_obio_disable(struct wi_softc *);
58void wi_obio_powerhook(int, void *);
59void wi_obio_shutdown(void *);
60
61struct wi_obio_softc {
62	struct wi_softc sc_wi;
63	void *sc_powerhook;
64	void *sc_sdhook;
65};
66
67CFATTACH_DECL(wi_obio, sizeof(struct wi_obio_softc),
68    wi_obio_match, wi_obio_attach, NULL, NULL);
69
70int
71wi_obio_match(parent, match, aux)
72	struct device *parent;
73	struct cfdata *match;
74	void *aux;
75{
76	struct confargs *ca = aux;
77
78	if (ca->ca_nintr < 4 || ca->ca_nreg < 8)
79		return 0;
80
81	if (strcmp(ca->ca_name, "radio") != 0)
82		return 0;
83
84	return 1;
85}
86
87void
88wi_obio_attach(parent, self, aux)
89	struct device *parent, *self;
90	void *aux;
91{
92	struct wi_obio_softc *sc = (void *)self;
93	struct wi_softc *wisc = &sc->sc_wi;
94	struct confargs *ca = aux;
95
96	printf(" irq %d:", ca->ca_intr[0]);
97	intr_establish(ca->ca_intr[0], IST_LEVEL, IPL_NET, wi_intr, sc);
98
99	wisc->sc_iot =
100	    macppc_make_bus_space_tag(ca->ca_baseaddr + ca->ca_reg[0], 0);
101	if (bus_space_map(wisc->sc_iot, 0, ca->ca_reg[1], 0, &wisc->sc_ioh)) {
102		printf(" can't map i/o space\n");
103		return;
104	}
105
106	wisc->sc_enabled = 1;
107	wisc->sc_enable = wi_obio_enable;
108	wisc->sc_disable = wi_obio_disable;
109
110	if (wi_attach(wisc)) {
111		printf("%s: failed to attach controller\n", self->dv_xname);
112		return;
113	}
114
115	sc->sc_sdhook = shutdownhook_establish(wi_obio_shutdown, sc);
116	sc->sc_powerhook = powerhook_establish(wi_obio_powerhook, sc);
117
118	/* Disable the card. */
119	wisc->sc_enabled = 0;
120	wi_obio_disable(wisc);
121}
122
123int
124wi_obio_enable(sc)
125	struct wi_softc *sc;
126{
127	const u_int keywest = 0x80000000;	/* XXX */
128	const u_int fcr2 = keywest + 0x40;
129	const u_int gpio = keywest + 0x6a;
130	const u_int extint_gpio = keywest + 0x58;
131	u_int x;
132
133	x = in32rb(fcr2);
134	x |= 0x4;
135	out32rb(fcr2, x);
136
137	/* Enable card slot. */
138	out8(gpio + 0x0f, 5);
139	delay(1000);
140	out8(gpio + 0x0f, 4);
141	delay(1000);
142
143	x = in32rb(fcr2);
144	x &= ~0x8000000;
145
146	out32rb(fcr2, x);
147	/* out8(gpio + 0x10, 4); */
148
149	out8(extint_gpio + 0x0b, 0);
150	out8(extint_gpio + 0x0a, 0x28);
151	out8(extint_gpio + 0x0d, 0x28);
152	out8(gpio + 0x0d, 0x28);
153	out8(gpio + 0x0e, 0x28);
154	out32rb(keywest + 0x1c000, 0);
155
156	/* Initialize the card. */
157	out32rb(keywest + 0x1a3e0, 0x41);
158	x = in32rb(fcr2);
159	x |= 0x8000000;
160	out32rb(fcr2, x);
161
162	return 0;
163}
164
165void
166wi_obio_disable(sc)
167	struct wi_softc *sc;
168{
169	const u_int keywest = 0x80000000;	/* XXX */
170	const u_int fcr2 = keywest + 0x40;
171	u_int x;
172
173	x = in32rb(fcr2);
174	x &= ~0x4;
175	out32rb(fcr2, x);
176	/* out8(gpio + 0x10, 0); */
177}
178
179void
180wi_obio_powerhook(why, arg)
181	int why;
182	void *arg;
183{
184	struct wi_softc *sc = arg;
185
186	wi_power(sc, why);
187}
188
189void
190wi_obio_shutdown(arg)
191	void *arg;
192{
193	struct wi_softc *sc = arg;
194
195	wi_shutdown(sc);
196}
197