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