1/*	$NetBSD: if_bah_zbus.c,v 1.6 2000/01/23 21:06:12 aymeric Exp $ */
2
3#include <sys/cdefs.h>
4__FBSDID("$FreeBSD$");
5
6/*-
7 * Copyright (c) 1994, 1995, 1998 The NetBSD Foundation, Inc.
8 * All rights reserved.
9 *
10 * This code is derived from software contributed to The NetBSD Foundation
11 * by Ignatios Souvatzis.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 *    notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 *    notice, this list of conditions and the following disclaimer in the
20 *    documentation and/or other materials provided with the distribution.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
25 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32 * POSSIBILITY OF SUCH DAMAGE.
33 */
34
35#include <sys/param.h>
36#include <sys/systm.h>
37#include <sys/socket.h>
38#include <sys/kernel.h>
39
40#include <sys/module.h>
41#include <sys/bus.h>
42
43#include <machine/bus.h>
44#include <sys/rman.h>
45#include <machine/resource.h>
46
47#include <net/if.h>
48#include <net/if_arc.h>
49
50#include <dev/cm/smc90cx6reg.h>
51#include <dev/cm/smc90cx6var.h>
52
53static int cm_isa_probe		(device_t);
54static int cm_isa_attach	(device_t);
55
56static int
57cm_isa_probe(dev)
58	device_t dev;
59{
60	struct cm_softc *sc = device_get_softc(dev);
61	int rid;
62
63	rid = 0;
64	sc->port_res = bus_alloc_resource(
65	    dev, SYS_RES_IOPORT, &rid, 0ul, ~0ul, CM_IO_PORTS, RF_ACTIVE);
66	if (sc->port_res == NULL)
67		return (ENOENT);
68
69	if (GETREG(CMSTAT) == 0xff) {
70		cm_release_resources(dev);
71		return (ENXIO);
72	}
73
74	rid = 0;
75	sc->mem_res = bus_alloc_resource(
76	    dev, SYS_RES_MEMORY, &rid, 0ul, ~0ul, CM_MEM_SIZE, RF_ACTIVE);
77	if (sc->mem_res == NULL) {
78		cm_release_resources(dev);
79		return (ENOENT);
80	}
81
82	rid = 0;
83	sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE);
84	if (sc->irq_res == NULL) {
85		cm_release_resources(dev);
86		return (ENOENT);
87	}
88
89	return (0);
90}
91
92static int
93cm_isa_attach(dev)
94	device_t dev;
95{
96	struct cm_softc *sc = device_get_softc(dev);
97	int error;
98
99	/* init mtx and setup interrupt */
100	mtx_init(&sc->sc_mtx, device_get_nameunit(dev),
101	    MTX_NETWORK_LOCK, MTX_DEF);
102	error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET | INTR_MPSAFE,
103	    NULL, cmintr, sc, &sc->irq_handle);
104	if (error)
105		goto err;
106
107	/* attach */
108	error = cm_attach(dev);
109	if (error)
110		goto err;
111
112	return 0;
113
114err:
115	mtx_destroy(&sc->sc_mtx);
116	cm_release_resources(dev);
117	return (error);
118}
119
120static int
121cm_isa_detach(device_t dev)
122{
123	struct cm_softc *sc = device_get_softc(dev);
124	struct ifnet *ifp = sc->sc_ifp;
125
126	/* stop and detach */
127	CM_LOCK(sc);
128	cm_stop_locked(sc);
129	ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
130	CM_UNLOCK(sc);
131
132	callout_drain(&sc->sc_recon_ch);
133	arc_ifdetach(ifp);
134
135	/* teardown interrupt, destroy mtx and release resources */
136	bus_teardown_intr(dev, sc->irq_res, sc->irq_handle);
137	mtx_destroy(&sc->sc_mtx);
138	if_free(ifp);
139	cm_release_resources(dev);
140
141	bus_generic_detach(dev);
142	return (0);
143}
144
145static device_method_t cm_isa_methods[] = {
146	/* Device interface */
147	DEVMETHOD(device_probe,		cm_isa_probe),
148	DEVMETHOD(device_attach,	cm_isa_attach),
149	DEVMETHOD(device_detach,	cm_isa_detach),
150
151	{ 0, 0 }
152};
153
154static driver_t cm_isa_driver = {
155	"cm",
156	cm_isa_methods,
157	sizeof(struct cm_softc)
158};
159
160DRIVER_MODULE(cm, isa, cm_isa_driver, cm_devclass, 0, 0);
161MODULE_DEPEND(cm, isa, 1, 1, 1);
162