1/*- 2 * Copyright (c) 1995, David Greenman 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice unmodified, this list of conditions, and the following 10 * disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 */ 28 29#include <sys/cdefs.h> 30__FBSDID("$FreeBSD$"); 31 32/* 33 * National Semiconductor DP8393X SONIC Driver 34 * 35 * This is the PC Card attachment on FreeBSD 36 * written by Motomichi Matsuzaki <mzaki@e-mail.ne.jp> and 37 * Hiroshi Yamashita <bluemoon@msj.biglobe.ne.jp> 38 */ 39 40#include <sys/param.h> 41#include <sys/systm.h> 42#include <sys/socket.h> 43#include <sys/kernel.h> 44#include <sys/lock.h> 45#include <sys/mutex.h> 46 47#include <sys/module.h> 48#include <sys/bus.h> 49#include <machine/bus.h> 50 51#include <net/ethernet.h> 52#include <net/if.h> 53#include <net/if_arp.h> 54#include <net/if_media.h> 55 56#include <dev/snc/dp83932var.h> 57#include <dev/snc/if_sncvar.h> 58#include <dev/snc/if_sncreg.h> 59 60#include <dev/pccard/pccardvar.h> 61#include <dev/pccard/pccard_cis.h> 62#include "pccarddevs.h" 63 64static const struct pccard_product snc_pccard_products[] = { 65 PCMCIA_CARD(NEC, PC9801N_J02), 66 PCMCIA_CARD(NEC, PC9801N_J02R), 67 { NULL } 68}; 69 70/* 71 * PC Card (PCMCIA) specific code. 72 */ 73static int snc_pccard_probe(device_t); 74static int snc_pccard_attach(device_t); 75static int snc_pccard_detach(device_t); 76 77 78static device_method_t snc_pccard_methods[] = { 79 /* Device interface */ 80 DEVMETHOD(device_probe, snc_pccard_probe), 81 DEVMETHOD(device_attach, snc_pccard_attach), 82 DEVMETHOD(device_detach, snc_pccard_detach), 83 84 { 0, 0 } 85}; 86 87static driver_t snc_pccard_driver = { 88 "snc", 89 snc_pccard_methods, 90 sizeof(struct snc_softc) 91}; 92 93DRIVER_MODULE(snc, pccard, snc_pccard_driver, snc_devclass, 0, 0); 94MODULE_DEPEND(snc, ether, 1, 1, 1); 95PCCARD_PNP_INFO(snc_pccard_products); 96 97/* 98 * snc_pccard_detach - detach this instance from the device. 99 */ 100static int 101snc_pccard_detach(device_t dev) 102{ 103 struct snc_softc *sc = device_get_softc(dev); 104 struct ifnet *ifp = sc->sc_ifp; 105 106 if (sc->gone) { 107 device_printf(dev, "already unloaded\n"); 108 return (0); 109 } 110 SNC_LOCK(sc); 111 sncshutdown(sc); 112 SNC_UNLOCK(sc); 113 callout_drain(&sc->sc_timer); 114 ether_ifdetach(ifp); 115 sc->gone = 1; 116 bus_teardown_intr(dev, sc->irq, sc->irq_handle); 117 snc_release_resources(dev); 118 mtx_destroy(&sc->sc_lock); 119 return (0); 120} 121 122/* 123 * Probe the pccard. 124 */ 125static int 126snc_pccard_probe(device_t dev) 127{ 128 const struct pccard_product *pp; 129 130 if ((pp = pccard_product_lookup(dev, snc_pccard_products, 131 sizeof(snc_pccard_products[0]), NULL)) == NULL) 132 return (EIO); 133 if (pp->pp_name != NULL) 134 device_set_desc(dev, pp->pp_name); 135 return (0); 136} 137 138static int 139snc_pccard_attach(device_t dev) 140{ 141 struct snc_softc *sc = device_get_softc(dev); 142 int error; 143 144 /* 145 * Not sure that this belongs here or in snc_pccard_attach 146 */ 147 if ((error = snc_alloc_port(dev, 0)) != 0) 148 goto err; 149 if ((error = snc_alloc_memory(dev, 0)) != 0) 150 goto err; 151 if ((error = snc_alloc_irq(dev, 0, 0)) != 0) 152 goto err; 153 if ((error = snc_probe(dev, SNEC_TYPE_PNP)) != 0) 154 goto err; 155 /* This interface is always enabled. */ 156 sc->sc_enabled = 1; 157 /* pccard_get_ether(dev, ether_addr); */ 158 if ((error = snc_attach(dev)) != 0) 159 goto err; 160 return 0; 161err:; 162 snc_release_resources(dev); 163 return error; 164} 165