NetBSD/sys/arch/macppc/dev/if_wi_obio.c

196 lines
4.7 KiB
C

/* $NetBSD: if_wi_obio.c,v 1.1 2001/05/16 10:56:43 tsubai Exp $ */
/*-
* Copyright (c) 2001 Tsubai Masanari. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "opt_inet.h"
#include <sys/param.h>
#include <sys/callout.h>
#include <sys/device.h>
#include <sys/socket.h>
#include <sys/systm.h>
#ifdef INET
#include <net/if.h>
#include <net/if_ether.h>
#include <net/if_ieee80211.h>
#include <net/if_media.h>
#endif
#include <machine/autoconf.h>
#include <machine/bus.h>
#include <dev/ic/wi_ieee.h>
#include <dev/ic/wireg.h>
#include <dev/ic/wivar.h>
int wi_obio_match(struct device *, struct cfdata *, void *);
void wi_obio_attach(struct device *, struct device *, void *);
int wi_obio_enable(struct wi_softc *);
void wi_obio_disable(struct wi_softc *);
void wi_obio_powerhook(int, void *);
void wi_obio_shutdown(void *);
struct wi_obio_softc {
struct wi_softc sc_wi;
void *sc_powerhook;
void *sc_sdhook;
};
struct cfattach wi_obio_ca = {
sizeof(struct wi_obio_softc), wi_obio_match, wi_obio_attach
};
int
wi_obio_match(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct confargs *ca = aux;
if (ca->ca_nintr < 4 || ca->ca_nreg < 8)
return 0;
if (strcmp(ca->ca_name, "radio") != 0)
return 0;
return 1;
}
void
wi_obio_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct wi_obio_softc *sc = (void *)self;
struct wi_softc *wisc = &sc->sc_wi;
struct confargs *ca = aux;
printf(" irq %d:", ca->ca_intr[0]);
intr_establish(ca->ca_intr[0], IST_LEVEL, IPL_NET, wi_intr, sc);
wisc->sc_iot =
macppc_make_bus_space_tag(ca->ca_baseaddr + ca->ca_reg[0], 0);
if (bus_space_map(wisc->sc_iot, 0, ca->ca_reg[1], 0, &wisc->sc_ioh)) {
printf(" can't map i/o space\n");
return;
}
wisc->sc_enabled = 1;
wisc->sc_enable = wi_obio_enable;
wisc->sc_disable = wi_obio_disable;
wisc->sc_ifp = &wisc->sc_ethercom.ec_if;
if (wi_attach(wisc)) {
printf("%s: failed to attach controller\n", self->dv_xname);
return;
}
sc->sc_sdhook = shutdownhook_establish(wi_obio_shutdown, sc);
sc->sc_powerhook = powerhook_establish(wi_obio_powerhook, sc);
/* Disable the card. */
wisc->sc_enabled = 0;
wi_obio_disable(wisc);
}
int
wi_obio_enable(sc)
struct wi_softc *sc;
{
const u_int keywest = 0x80000000; /* XXX */
const u_int fcr2 = keywest + 0x40;
const u_int gpio = keywest + 0x6a;
const u_int extint_gpio = keywest + 0x58;
u_int x;
x = in32rb(fcr2);
x |= 0x4;
out32rb(fcr2, x);
/* Enable card slot. */
out8(gpio + 0x0f, 5);
delay(1000);
out8(gpio + 0x0f, 4);
delay(1000);
x = in32rb(fcr2);
x &= ~0x8000000;
out32rb(fcr2, x);
/* out8(gpio + 0x10, 4); */
out8(extint_gpio + 0x0b, 0);
out8(extint_gpio + 0x0a, 0x28);
out8(extint_gpio + 0x0d, 0x28);
out8(gpio + 0x0d, 0x28);
out8(gpio + 0x0e, 0x28);
out32rb(keywest + 0x1c000, 0);
/* Initialize the card. */
out32rb(keywest + 0x1a3e0, 0x41);
x = in32rb(fcr2);
x |= 0x8000000;
out32rb(fcr2, x);
return 0;
}
void
wi_obio_disable(sc)
struct wi_softc *sc;
{
const u_int keywest = 0x80000000; /* XXX */
const u_int fcr2 = keywest + 0x40;
u_int x;
x = in32rb(fcr2);
x &= ~0x4;
out32rb(fcr2, x);
/* out8(gpio + 0x10, 0); */
}
void
wi_obio_powerhook(why, arg)
int why;
void *arg;
{
struct wi_softc *sc = arg;
wi_power(sc, why);
}
void
wi_obio_shutdown(arg)
void *arg;
{
struct wi_softc *sc = arg;
wi_shutdown(sc);
}