Add the macio attachment for wi(4). Partially obtained from NetBSD.

Reviewed by:	adrian
Obtained from:	NetBSD (partially)

sys/dev/wi/if_wi_macio.c

@@ -0,0 +1,141 @@
+/*-
+ * Copyright (c) 2013	Justin Hibbits
+ * All rights reserved.
+ * Copyright (c) 1997, 1998, 1999
+ *	Bill Paul <wpaul@ctr.columbia.edu>.  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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by Bill Paul.
+ * 4. Neither the name of the author nor the names of any co-contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``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 Bill Paul OR THE VOICES IN HIS HEAD
+ * 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.
+ */
+
+/*
+ * Lucent WaveLAN/IEEE 802.11 MacIO attachment for FreeBSD.
+ *
+ * Based on the PCMCIA driver
+ * Written by Bill Paul <wpaul@ctr.columbia.edu>
+ * Electrical Engineering Department
+ * Columbia University, New York City
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/kernel.h>
+#include <sys/socket.h>
+#include <sys/systm.h>
+#include <sys/module.h>
+#include <sys/bus.h>
+
+#include <machine/bus.h>
+#include <machine/resource.h>
+#include <sys/rman.h>
+
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/openfirm.h>
+#include <machine/ofw_machdep.h>
+
+#include <net/if.h>
+#include <net/if_arp.h>
+#include <net/ethernet.h>
+#include <net/if_dl.h>
+#include <net/if_media.h>
+#include <net/if_types.h>
+
+#include <net80211/ieee80211_var.h>
+#include <net80211/ieee80211_radiotap.h>
+
+#include <dev/wi/if_wavelan_ieee.h>
+#include <dev/wi/if_wireg.h>
+#include <dev/wi/if_wivar.h>
+
+static int wi_macio_probe(device_t);
+static int wi_macio_attach(device_t);
+
+static device_method_t wi_macio_methods[] = {
+	/* Device interface */
+	DEVMETHOD(device_probe,		wi_macio_probe),
+	DEVMETHOD(device_attach,	wi_macio_attach),
+	DEVMETHOD(device_detach,	wi_detach),
+	DEVMETHOD(device_shutdown,	wi_shutdown),
+
+	{ 0, 0 }
+};
+
+static driver_t wi_macio_driver = {
+	"wi",
+	wi_macio_methods,
+	sizeof(struct wi_softc)
+};
+
+DRIVER_MODULE(wi, macio, wi_macio_driver, wi_devclass, 0, 0);
+MODULE_DEPEND(wi, wlan, 1, 1, 1);
+
+static int
+wi_macio_probe(device_t dev)
+{
+	const char *name, *compat;
+
+	/* Make sure we're a network driver */
+	name = ofw_bus_get_name(dev);
+	if (name == NULL)
+		return (ENXIO);
+
+	if (strcmp(name, "radio") != 0) {
+		return ENXIO;
+	}
+	compat = ofw_bus_get_compat(dev);
+	if (strcmp(compat, "wireless") != 0) {
+		return ENXIO;
+	}
+
+	device_set_desc(dev, "Apple Airport");
+	return 0;
+}
+
+static int
+wi_macio_attach(device_t dev)
+{
+	struct wi_softc	*sc;
+	int error;
+
+	sc = device_get_softc(dev);
+	sc->wi_gone = 0;
+	sc->wi_bus_type = 0;
+
+	error = wi_alloc(dev, 0);
+	if (error == 0) {
+		/* Make sure interrupts are disabled. */
+		CSR_WRITE_2(sc, WI_INT_EN, 0);
+		CSR_WRITE_2(sc, WI_EVENT_ACK, 0xFFFF);
+
+		error = wi_attach(dev);
+		if (error != 0)
+			wi_free(dev);
+	}
+	return error;
+}

sys/modules/Makefile

@@ -826,6 +826,7 @@ _sound=		sound
 .if ${MK_CDDL} != "no" || defined(ALL_MODULES)
 _opensolaris=	opensolaris
 .endif
+_wi=		wi
 .endif
 
 .if ${MACHINE_ARCH} == "powerpc64"

sys/modules/wi/Makefile

@@ -6,5 +6,15 @@ KMOD=	if_wi
 SRCS=	if_wi.c if_wi_pccard.c if_wi_pci.c \
 	card_if.h device_if.h bus_if.h pci_if.h pccarddevs.h \
 	opt_wlan.h
+.if ${MACHINE_CPUARCH} == "powerpc"
+SRCS+=	if_wi_macio.c
+SRCS+=	ofw_bus_if.h
+.endif
+
+
+.if ${MACHINE_CPUARCH} == "powerpc"
+SRCS+=	if_wi_macio.c
+SRCS+=	ofw_bus_if.h
+.endif
 
 .include <bsd.kmod.mk>

sys/powerpc/powermac/macio.c

@@ -605,3 +605,47 @@ macio_get_devinfo(device_t dev, device_t child)
 	dinfo = device_get_ivars(child);
 	return (&dinfo->mdi_obdinfo);
 }
+
+int
+macio_enable_wireless(device_t dev, bool enable)
+{
+	struct macio_softc *sc = device_get_softc(dev);
+	uint32_t x;
+
+	if (enable) {
+		x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2);
+		x |= 0x4;
+		bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x);
+
+		/* Enable card slot. */
+		bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0f, 5);
+		DELAY(1000);
+		bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0f, 4);
+		DELAY(1000);
+		x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2);
+		x &= ~0x80000000;
+
+		bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x);
+		/* out8(gpio + 0x10, 4); */
+
+		bus_write_1(sc->sc_memr, KEYLARGO_EXTINT_GPIO_REG_BASE + 0x0b, 0);
+		bus_write_1(sc->sc_memr, KEYLARGO_EXTINT_GPIO_REG_BASE + 0x0a, 0x28);
+		bus_write_1(sc->sc_memr, KEYLARGO_EXTINT_GPIO_REG_BASE + 0x0d, 0x28);
+		bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0d, 0x28);
+		bus_write_1(sc->sc_memr, KEYLARGO_GPIO_BASE + 0x0e, 0x28);
+		bus_write_4(sc->sc_memr, 0x1c000, 0);
+
+		/* Initialize the card. */
+		bus_write_4(sc->sc_memr, 0x1a3e0, 0x41);
+		x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2);
+		x |= 0x80000000;
+		bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x);
+	} else {
+		x = bus_read_4(sc->sc_memr, KEYLARGO_FCR2);
+		x &= ~0x4;
+		bus_write_4(sc->sc_memr, KEYLARGO_FCR2, x);
+		/* out8(gpio + 0x10, 0); */
+	}
+
+	return (0);
+}

sys/powerpc/powermac/maciovar.h

@@ -43,10 +43,15 @@
 #define HEATHROW_FCR	0x38
 #define KEYLARGO_FCR0	0x38
 #define KEYLARGO_FCR1	0x3c
+#define KEYLARGO_FCR2	0x40
 
 #define FCR_ENET_ENABLE	0x60000000
 #define FCR_ENET_RESET	0x80000000
 
+/* Used only by macio_enable_wireless() for now. */
+#define KEYLARGO_GPIO_BASE	0x6a
+#define KEYLARGO_EXTINT_GPIO_REG_BASE	0x58
+
 /*
  * Format of a macio reg property entry.
  */
@@ -66,4 +71,6 @@ struct macio_devinfo {
 	struct resource_list mdi_resources;
 };
 
+extern int macio_enable_wireless(device_t dev, bool enable);
+
 #endif /* _MACIO_MACIOVAR_H_ */