if_cm_isa.c revision 89099 
1/*	$NetBSD: if_bah_zbus.c,v 1.6 2000/01/23 21:06:12 aymeric Exp $ */
2/*	$FreeBSD: head/sys/dev/cm/if_cm_isa.c 89099 2002-01-08 20:03:13Z fjoe $ */
3
4/*-
5 * Copyright (c) 1994, 1995, 1998 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Ignatios Souvatzis.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 *    must display the following acknowledgement:
21 *        This product includes software developed by the NetBSD
22 *        Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 *    contributors may be used to endorse or promote products derived
25 *    from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40#include <sys/param.h>
41#include <sys/systm.h>
42#include <sys/socket.h>
43#include <sys/kernel.h>
44
45#include <sys/module.h>
46#include <sys/bus.h>
47
48#include <machine/bus.h>
49
50#include <net/if.h>
51#include <net/if_arc.h>
52
53#include <dev/cm/smc90cx6var.h>
54
55static int cm_isa_probe		__P((device_t));
56static int cm_isa_attach	__P((device_t));
57
58static int
59cm_isa_probe(dev)
60	device_t dev;
61{
62	struct cm_softc *sc = device_get_softc(dev);
63	int error;
64
65	bzero(sc, sizeof(struct cm_softc));
66
67	error = cm_probe(dev);
68	if (error == 0)
69		goto end;
70
71end:
72	if (error == 0)
73		error = cm_alloc_irq(dev, 0);
74
75	cm_release_resources(dev);
76	return (error);
77}
78
79static int
80cm_isa_attach(dev)
81	device_t dev;
82{
83	struct cm_softc *sc = device_get_softc(dev);
84	int error;
85
86	cm_alloc_port(dev, sc->port_rid, sc->port_used);
87	cm_alloc_memory(dev, sc->mem_rid, sc->mem_used);
88	cm_alloc_irq(dev, sc->irq_rid);
89
90	error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET,
91			       cmintr, sc, &sc->irq_handle);
92	if (error) {
93		cm_release_resources(dev);
94		return (error);
95	}
96
97	return cm_attach(sc, device_get_unit(dev));
98}
99
100static int
101cm_isa_detach(device_t dev)
102{
103	struct cm_softc *sc = device_get_softc(dev);
104	struct ifnet *ifp = &sc->sc_arccom.ac_if;
105	int s;
106
107	cm_stop(sc);
108	ifp->if_flags &= ~IFF_RUNNING;
109
110	s = splimp();
111	arc_ifdetach(&sc->sc_arccom.ac_if);
112	splx(s);
113
114	bus_teardown_intr(dev, sc->irq_res, sc->irq_handle);
115	cm_release_resources(dev);
116
117	return (0);
118}
119
120static device_method_t cm_isa_methods[] = {
121	/* Device interface */
122	DEVMETHOD(device_probe,		cm_isa_probe),
123	DEVMETHOD(device_attach,	cm_isa_attach),
124	DEVMETHOD(device_detach,	cm_isa_detach),
125
126	{ 0, 0 }
127};
128
129static driver_t cm_isa_driver = {
130	"cm",
131	cm_isa_methods,
132	sizeof(struct cm_softc)
133};
134
135DRIVER_MODULE(if_cm, isa, cm_isa_driver, cm_devclass, 0, 0);
136