if_wi_obio.c revision 1.1 
1/*	$NetBSD: if_wi_obio.c,v 1.1 2001/05/16 10:56:43 tsubai 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_ieee80211.h>
41#include <net/if_media.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
64struct cfattach wi_obio_ca = {
65	sizeof(struct wi_obio_softc), wi_obio_match, wi_obio_attach
66};
67
68int
69wi_obio_match(parent, match, aux)
70	struct device *parent;
71	struct cfdata *match;
72	void *aux;
73{
74	struct confargs *ca = aux;
75
76	if (ca->ca_nintr < 4 || ca->ca_nreg < 8)
77		return 0;
78
79	if (strcmp(ca->ca_name, "radio") != 0)
80		return 0;
81
82	return 1;
83}
84
85void
86wi_obio_attach(parent, self, aux)
87	struct device *parent, *self;
88	void *aux;
89{
90	struct wi_obio_softc *sc = (void *)self;
91	struct wi_softc *wisc = &sc->sc_wi;
92	struct confargs *ca = aux;
93
94	printf(" irq %d:", ca->ca_intr[0]);
95	intr_establish(ca->ca_intr[0], IST_LEVEL, IPL_NET, wi_intr, sc);
96
97	wisc->sc_iot =
98	    macppc_make_bus_space_tag(ca->ca_baseaddr + ca->ca_reg[0], 0);
99	if (bus_space_map(wisc->sc_iot, 0, ca->ca_reg[1], 0, &wisc->sc_ioh)) {
100		printf(" can't map i/o space\n");
101		return;
102	}
103
104	wisc->sc_enabled = 1;
105	wisc->sc_enable = wi_obio_enable;
106	wisc->sc_disable = wi_obio_disable;
107
108	wisc->sc_ifp = &wisc->sc_ethercom.ec_if;
109	if (wi_attach(wisc)) {
110		printf("%s: failed to attach controller\n", self->dv_xname);
111		return;
112	}
113
114	sc->sc_sdhook = shutdownhook_establish(wi_obio_shutdown, sc);
115	sc->sc_powerhook = powerhook_establish(wi_obio_powerhook, sc);
116
117	/* Disable the card. */
118	wisc->sc_enabled = 0;
119	wi_obio_disable(wisc);
120}
121
122int
123wi_obio_enable(sc)
124	struct wi_softc *sc;
125{
126	const u_int keywest = 0x80000000;	/* XXX */
127	const u_int fcr2 = keywest + 0x40;
128	const u_int gpio = keywest + 0x6a;
129	const u_int extint_gpio = keywest + 0x58;
130	u_int x;
131
132	x = in32rb(fcr2);
133	x |= 0x4;
134	out32rb(fcr2, x);
135
136	/* Enable card slot. */
137	out8(gpio + 0x0f, 5);
138	delay(1000);
139	out8(gpio + 0x0f, 4);
140	delay(1000);
141
142	x = in32rb(fcr2);
143	x &= ~0x8000000;
144
145	out32rb(fcr2, x);
146	/* out8(gpio + 0x10, 4); */
147
148	out8(extint_gpio + 0x0b, 0);
149	out8(extint_gpio + 0x0a, 0x28);
150	out8(extint_gpio + 0x0d, 0x28);
151	out8(gpio + 0x0d, 0x28);
152	out8(gpio + 0x0e, 0x28);
153	out32rb(keywest + 0x1c000, 0);
154
155	/* Initialize the card. */
156	out32rb(keywest + 0x1a3e0, 0x41);
157	x = in32rb(fcr2);
158	x |= 0x8000000;
159	out32rb(fcr2, x);
160
161	return 0;
162}
163
164void
165wi_obio_disable(sc)
166	struct wi_softc *sc;
167{
168	const u_int keywest = 0x80000000;	/* XXX */
169	const u_int fcr2 = keywest + 0x40;
170	u_int x;
171
172	x = in32rb(fcr2);
173	x &= ~0x4;
174	out32rb(fcr2, x);
175	/* out8(gpio + 0x10, 0); */
176}
177
178void
179wi_obio_powerhook(why, arg)
180	int why;
181	void *arg;
182{
183	struct wi_softc *sc = arg;
184
185	wi_power(sc, why);
186}
187
188void
189wi_obio_shutdown(arg)
190	void *arg;
191{
192	struct wi_softc *sc = arg;
193
194	wi_shutdown(sc);
195}
196