- generic Arcnet framework

- device driver for SMC COM90cx6 Arcnet network adapters

Obtained from:	NetBSD

1 files changed, 135 insertions, 0 deletions

diff --git a/sys/dev/cm/if_cm_isa.c b/sys/dev/cm/if_cm_isa.c
new file mode 100644
index 0000000..8af2dff
--- /dev/null
+++ b/sys/dev/cm/if_cm_isa.c
@@ -0,0 +1,135 @@
+/*	$NetBSD: if_bah_zbus.c,v 1.6 2000/01/23 21:06:12 aymeric Exp $ */
+/*	$FreeBSD$ */
+
+/*-
+ * Copyright (c) 1994, 1995, 1998 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Ignatios Souvatzis.
+ *
+ * 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 the NetBSD
+ *        Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/socket.h>
+#include <sys/kernel.h>
+
+#include <sys/module.h>
+#include <sys/bus.h>
+
+#include <machine/bus.h>
+
+#include <net/if.h>
+#include <net/if_arc.h>
+
+#include <dev/cm/smc90cx6var.h>
+
+static int cm_isa_probe		__P((device_t));
+static int cm_isa_attach	__P((device_t));
+
+static int
+cm_isa_probe(dev)
+	device_t dev;
+{
+	struct cm_softc *sc = device_get_softc(dev);
+	int error;
+
+	bzero(sc, sizeof(struct cm_softc));
+
+	error = cm_probe(dev);
+	if (error == 0)
+		goto end;
+
+end:
+	if (error == 0)
+		error = cm_alloc_irq(dev, 0);
+
+	cm_release_resources(dev);
+	return (error);
+}
+
+static int
+cm_isa_attach(dev)
+	device_t dev;
+{
+	struct cm_softc *sc = device_get_softc(dev);
+	int error;
+
+	cm_alloc_port(dev, sc->port_rid, sc->port_used);
+	cm_alloc_memory(dev, sc->mem_rid, sc->mem_used);
+	cm_alloc_irq(dev, sc->irq_rid);
+
+	error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET,
+			       cmintr, sc, &sc->irq_handle);
+	if (error) {
+		cm_release_resources(dev);
+		return (error);
+	}
+
+	return cm_attach(sc, device_get_unit(dev));
+}
+
+static int
+cm_isa_detach(device_t dev)
+{
+	struct cm_softc *sc = device_get_softc(dev);
+	struct ifnet *ifp = &sc->sc_arccom.ac_if;
+	int s;
+
+	cm_stop(sc);
+	ifp->if_flags &= ~IFF_RUNNING;
+
+	s = splimp();
+	arc_ifdetach(&sc->sc_arccom.ac_if);
+	splx(s);
+
+	bus_teardown_intr(dev, sc->irq_res, sc->irq_handle);
+	cm_release_resources(dev);
+
+	return (0);
+}
+
+static device_method_t cm_isa_methods[] = {
+	/* Device interface */
+	DEVMETHOD(device_probe,		cm_isa_probe),
+	DEVMETHOD(device_attach,	cm_isa_attach),
+	DEVMETHOD(device_detach,	cm_isa_detach),
+
+	{ 0, 0 }
+};
+
+static driver_t cm_isa_driver = {
+	"cm",
+	cm_isa_methods,
+	sizeof(struct cm_softc)
+};
+
+DRIVER_MODULE(if_cm, isa, cm_isa_driver, cm_devclass, 0, 0);