Add support for pccard attachments of the ex driver. It supports the

Olicom OC-2220 card, and maybe others.

Submitted by: iwasaki
Reviewed by: mdodd

sys/conf/files

@@ -149,6 +149,7 @@ dev/ep/if_ep_mca.c	optional ep mca
 dev/ep/if_ep_pccard.c	optional ep card
 dev/ex/if_ex.c		optional ex
 dev/ex/if_ex_isa.c	optional ex isa
+dev/ex/if_ex_pccard.c	optional ex card
 dev/fe/if_fe.c		optional fe
 dev/fe/if_fe_pccard.c	optional fe card
 dev/hea/eni.c		optional hea

sys/dev/ex/if_ex.c

@@ -103,7 +103,7 @@ static void	ex_ifmedia_sts	__P((struct ifnet *, struct ifmediareq *));
 
 static int	ex_get_media	__P((u_int32_t iobase));
 
-static void	ex_stop		__P((struct ex_softc *));
+       void	ex_stop		__P((struct ex_softc *));
 static void	ex_reset	__P((struct ex_softc *));
 
 static void	ex_tx_intr	__P((struct ex_softc *));
@@ -543,7 +543,7 @@ ex_start(struct ifnet *ifp)
 	DODEBUG(Start_End, printf("ex_start%d: finish\n", unit););
 }
 
-static void
+void
 ex_stop(struct ex_softc *sc)
 {
 	int iobase = sc->iobase;

sys/dev/ex/if_ex_isa.c

@@ -76,7 +76,7 @@ static driver_t ex_driver = {
 	sizeof(struct ex_softc),
 };
 
-static devclass_t ex_devclass;
+devclass_t ex_devclass;
 
 DRIVER_MODULE(ex, isa, ex_driver, ex_devclass, 0, 0);
 

sys/dev/ex/if_ex_pccard.c

@@ -0,0 +1,163 @@
+/*-
+ * Copyright (c) 2000 Mitsuru IWASAKI
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 THE AUTHOR OR CONTRIBUTORS 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.
+ *
+ *	$FreeBSD$
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/socket.h>
+
+#include <sys/module.h>
+#include <sys/bus.h>
+
+#include <machine/bus.h>
+#include <machine/resource.h>
+#include <sys/rman.h>
+
+#include <net/if.h>
+#include <net/if_arp.h>
+#include <net/if_media.h> 
+
+#include <machine/clock.h>
+
+#include <dev/ex/if_exreg.h>
+#include <dev/ex/if_exvar.h>
+
+#include <dev/pccard/pccardvar.h>
+
+/* Bus Front End Functions */
+static int	ex_pccard_probe		__P((device_t));
+static int	ex_pccard_attach	__P((device_t));
+static int	ex_pccard_detach	__P((device_t));
+
+static device_method_t ex_pccard_methods[] = {
+	/* Device interface */
+	DEVMETHOD(device_probe,		ex_pccard_probe),
+	DEVMETHOD(device_attach,	ex_pccard_attach),
+	DEVMETHOD(device_detach,	ex_pccard_detach),
+
+	{ 0, 0 }
+};
+
+static driver_t ex_pccard_driver = {
+	"ex",
+	ex_pccard_methods,
+	sizeof(struct ex_softc),
+};
+
+extern devclass_t ex_devclass;
+
+DRIVER_MODULE(ex, pccard, ex_pccard_driver, ex_devclass, 0, 0);
+
+static int
+ex_pccard_probe(device_t dev)
+{
+	u_int		iobase;
+	u_int		irq;
+
+	iobase = bus_get_resource_start(dev, SYS_RES_IOPORT, 0);
+	if (!iobase) {
+		printf("ex: no iobase?\n");
+		return(ENXIO);
+	}
+
+	if (bootverbose)
+		printf("ex: ex_pccard_probe() found card at 0x%03x\n", iobase);
+
+	irq = bus_get_resource_start(dev, SYS_RES_IRQ, 0);
+
+	if (irq == 0) {
+		printf("ex: invalid IRQ.\n");
+		return(ENXIO);
+	}
+
+	return(0);
+}
+
+static int
+ex_pccard_attach(device_t dev)
+{
+	struct ex_softc *	sc = device_get_softc(dev);
+	int			error = 0;
+	int			i;
+	u_char			sum;
+	u_char			ether_addr[ETHER_ADDR_LEN];
+
+	sc->dev = dev;
+	sc->ioport_rid = 0;
+	sc->irq_rid = 0;
+
+	if ((error = ex_alloc_resources(dev)) != 0) {
+		device_printf(dev, "ex_alloc_resources() failed!\n");
+		goto bad;
+	}
+
+	/*
+	 * Fill in several fields of the softc structure:
+	 *	- I/O base address.
+	 *	- Hardware Ethernet address.
+	 *	- IRQ number.
+	 */
+	sc->iobase = rman_get_start(sc->ioport);
+	sc->irq_no = rman_get_start(sc->irq);
+
+	pccard_get_ether(dev, ether_addr);
+	for (i = 0, sum = 0; i < ETHER_ADDR_LEN; i++)
+		sum |= ether_addr[i];
+	if (sum)
+		bcopy(ether_addr, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
+
+	if ((error = ex_attach(dev)) != 0) {
+		device_printf(dev, "ex_attach() failed!\n");
+		goto bad;
+	}
+
+	error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET,
+				ex_intr, (void *)sc, &sc->ih);
+	if (error) {
+		device_printf(dev, "bus_setup_intr() failed!\n");
+		goto bad;
+	}
+
+	return(0);
+bad:
+	ex_release_resources(dev);
+	return (error);
+}
+
+static int
+ex_pccard_detach(device_t dev)
+{
+	struct ex_softc		*sc = device_get_softc(dev);
+	struct ifnet		*ifp = &sc->arpcom.ac_if;
+
+	ex_stop(sc);
+	ifp->if_flags &= ~IFF_RUNNING;
+	if_detach(ifp);
+	ex_release_resources(dev);
+	return (0);
+}