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/9/sys/dev/cm/if_cm_isa.c 204520 2010-03-01 16:52:11Z joel $");
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
53 static int cm_isa_probe (device_t);
54 static int cm_isa_attach (device_t);
55
56 static int
cm_isa_probe(dev)57 cm_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
92 static int
cm_isa_attach(dev)93 cm_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
114 err:
115 mtx_destroy(&sc->sc_mtx);
116 cm_release_resources(dev);
117 return (error);
118 }
119
120 static int
cm_isa_detach(device_t dev)121 cm_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
145 static 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
154 static driver_t cm_isa_driver = {
155 "cm",
156 cm_isa_methods,
157 sizeof(struct cm_softc)
158 };
159
160 DRIVER_MODULE(cm, isa, cm_isa_driver, cm_devclass, 0, 0);
161 MODULE_DEPEND(cm, isa, 1, 1, 1);
162