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: stable/11/sys/dev/cm/if_cm_isa.c 331882 2018-04-02 16:11:49Z brooks $");
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#include <sys/malloc.h>
40
41#include <sys/module.h>
42#include <sys/bus.h>
43
44#include <machine/bus.h>
45#include <sys/rman.h>
46#include <machine/resource.h>
47
48#include <net/if.h>
49#include <net/if_var.h>
50#include <net/if_arc.h>
51
52#include <dev/cm/smc90cx6reg.h>
53#include <dev/cm/smc90cx6var.h>
54
55static int cm_isa_probe		(device_t);
56static int cm_isa_attach	(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 rid;
64
65	rid = 0;
66	sc->port_res = bus_alloc_resource_anywhere(
67	    dev, SYS_RES_IOPORT, &rid, CM_IO_PORTS, RF_ACTIVE);
68	if (sc->port_res == NULL)
69		return (ENOENT);
70
71	if (GETREG(CMSTAT) == 0xff) {
72		cm_release_resources(dev);
73		return (ENXIO);
74	}
75
76	rid = 0;
77	sc->mem_res = bus_alloc_resource_anywhere(
78	    dev, SYS_RES_MEMORY, &rid, CM_MEM_SIZE, RF_ACTIVE);
79	if (sc->mem_res == NULL) {
80		cm_release_resources(dev);
81		return (ENOENT);
82	}
83
84	rid = 0;
85	sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE);
86	if (sc->irq_res == NULL) {
87		cm_release_resources(dev);
88		return (ENOENT);
89	}
90
91	return (0);
92}
93
94static int
95cm_isa_attach(dev)
96	device_t dev;
97{
98	struct cm_softc *sc = device_get_softc(dev);
99	int error;
100
101	/* init mtx and setup interrupt */
102	mtx_init(&sc->sc_mtx, device_get_nameunit(dev),
103	    MTX_NETWORK_LOCK, MTX_DEF);
104	error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET | INTR_MPSAFE,
105	    NULL, cmintr, sc, &sc->irq_handle);
106	if (error)
107		goto err;
108
109	/* attach */
110	error = cm_attach(dev);
111	if (error)
112		goto err;
113
114	gone_in_dev(dev, 12, "cm(4) driver");
115	return 0;
116
117err:
118	mtx_destroy(&sc->sc_mtx);
119	cm_release_resources(dev);
120	return (error);
121}
122
123static int
124cm_isa_detach(device_t dev)
125{
126	struct cm_softc *sc = device_get_softc(dev);
127	struct ifnet *ifp = sc->sc_ifp;
128
129	/* stop and detach */
130	CM_LOCK(sc);
131	cm_stop_locked(sc);
132	ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
133	CM_UNLOCK(sc);
134
135	callout_drain(&sc->sc_recon_ch);
136	arc_ifdetach(ifp);
137
138	/* teardown interrupt, destroy mtx and release resources */
139	bus_teardown_intr(dev, sc->irq_res, sc->irq_handle);
140	mtx_destroy(&sc->sc_mtx);
141	if_free(ifp);
142	cm_release_resources(dev);
143
144	bus_generic_detach(dev);
145	return (0);
146}
147
148static device_method_t cm_isa_methods[] = {
149	/* Device interface */
150	DEVMETHOD(device_probe,		cm_isa_probe),
151	DEVMETHOD(device_attach,	cm_isa_attach),
152	DEVMETHOD(device_detach,	cm_isa_detach),
153
154	{ 0, 0 }
155};
156
157static driver_t cm_isa_driver = {
158	"cm",
159	cm_isa_methods,
160	sizeof(struct cm_softc)
161};
162
163DRIVER_MODULE(cm, isa, cm_isa_driver, cm_devclass, 0, 0);
164MODULE_DEPEND(cm, isa, 1, 1, 1);
165