1 /* $NetBSD: if_bah_zbus.c,v 1.6 2000/01/23 21:06:12 aymeric Exp $ */
7 * SPDX-License-Identifier: BSD-2-Clause-NetBSD
9 * Copyright (c) 1994, 1995, 1998 The NetBSD Foundation, Inc.
10 * All rights reserved.
12 * This code is derived from software contributed to The NetBSD Foundation
13 * by Ignatios Souvatzis.
15 * Redistribution and use in source and binary forms, with or without
16 * modification, are permitted provided that the following conditions
18 * 1. Redistributions of source code must retain the above copyright
19 * notice, this list of conditions and the following disclaimer.
20 * 2. Redistributions in binary form must reproduce the above copyright
21 * notice, this list of conditions and the following disclaimer in the
22 * documentation and/or other materials provided with the distribution.
24 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
25 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
26 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
27 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
28 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34 * POSSIBILITY OF SUCH DAMAGE.
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/socket.h>
40 #include <sys/kernel.h>
41 #include <sys/malloc.h>
43 #include <sys/module.h>
46 #include <machine/bus.h>
48 #include <machine/resource.h>
51 #include <net/if_var.h>
52 #include <net/if_arc.h>
54 #include <dev/cm/smc90cx6reg.h>
55 #include <dev/cm/smc90cx6var.h>
57 static int cm_isa_probe (device_t);
58 static int cm_isa_attach (device_t);
64 struct cm_softc *sc = device_get_softc(dev);
68 sc->port_res = bus_alloc_resource_anywhere(
69 dev, SYS_RES_IOPORT, &rid, CM_IO_PORTS, RF_ACTIVE);
70 if (sc->port_res == NULL)
73 if (GETREG(CMSTAT) == 0xff) {
74 cm_release_resources(dev);
79 sc->mem_res = bus_alloc_resource_anywhere(
80 dev, SYS_RES_MEMORY, &rid, CM_MEM_SIZE, RF_ACTIVE);
81 if (sc->mem_res == NULL) {
82 cm_release_resources(dev);
87 sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE);
88 if (sc->irq_res == NULL) {
89 cm_release_resources(dev);
100 struct cm_softc *sc = device_get_softc(dev);
103 /* init mtx and setup interrupt */
104 mtx_init(&sc->sc_mtx, device_get_nameunit(dev),
105 MTX_NETWORK_LOCK, MTX_DEF);
106 error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET | INTR_MPSAFE,
107 NULL, cmintr, sc, &sc->irq_handle);
112 error = cm_attach(dev);
119 mtx_destroy(&sc->sc_mtx);
120 cm_release_resources(dev);
125 cm_isa_detach(device_t dev)
127 struct cm_softc *sc = device_get_softc(dev);
128 struct ifnet *ifp = sc->sc_ifp;
130 /* stop and detach */
133 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
136 callout_drain(&sc->sc_recon_ch);
139 /* teardown interrupt, destroy mtx and release resources */
140 bus_teardown_intr(dev, sc->irq_res, sc->irq_handle);
141 mtx_destroy(&sc->sc_mtx);
143 cm_release_resources(dev);
145 bus_generic_detach(dev);
149 static device_method_t cm_isa_methods[] = {
150 /* Device interface */
151 DEVMETHOD(device_probe, cm_isa_probe),
152 DEVMETHOD(device_attach, cm_isa_attach),
153 DEVMETHOD(device_detach, cm_isa_detach),
158 static driver_t cm_isa_driver = {
161 sizeof(struct cm_softc)
164 DRIVER_MODULE(cm, isa, cm_isa_driver, cm_devclass, 0, 0);
165 MODULE_DEPEND(cm, isa, 1, 1, 1);