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>
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30__FBSDID("$FreeBSD: head/sys/dev/snc/if_snc_pccard.c 166901 2007-02-23 12:19:07Z piso $");
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30__FBSDID("$FreeBSD: head/sys/dev/snc/if_snc_pccard.c 181298 2008-08-04 19:19:18Z jhb $"); |
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 45#include <sys/module.h> 46#include <sys/bus.h> 47#include <machine/bus.h> 48
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49#include <net/ethernet.h> |
50#include <net/if.h> 51#include <net/if_arp.h> 52#include <net/if_media.h> 53
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53
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54#include <dev/snc/dp83932var.h> 55#include <dev/snc/if_sncvar.h> 56#include <dev/snc/if_sncreg.h> 57 58/* 59 * PC Card (PCMCIA) specific code. 60 */ 61static int snc_pccard_probe(device_t); 62static int snc_pccard_attach(device_t); 63static int snc_pccard_detach(device_t); 64 65 66static device_method_t snc_pccard_methods[] = { 67 /* Device interface */ 68 DEVMETHOD(device_probe, snc_pccard_probe), 69 DEVMETHOD(device_attach, snc_pccard_attach), 70 DEVMETHOD(device_detach, snc_pccard_detach), 71 72 { 0, 0 } 73}; 74 75static driver_t snc_pccard_driver = { 76 "snc", 77 snc_pccard_methods, 78 sizeof(struct snc_softc) 79}; 80 81DRIVER_MODULE(snc, pccard, snc_pccard_driver, snc_devclass, 0, 0); 82MODULE_DEPEND(snc, ether, 1, 1, 1); 83 84/* 85 * snc_pccard_detach - detach this instance from the device. 86 */ 87static int 88snc_pccard_detach(device_t dev) 89{ 90 struct snc_softc *sc = device_get_softc(dev); 91 struct ifnet *ifp = sc->sc_ifp; 92 93 if (sc->gone) { 94 device_printf(dev, "already unloaded\n"); 95 return (0); 96 }
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97 SNC_LOCK(sc); |
98 sncshutdown(sc);
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98 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
99 if_detach(ifp);
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99 SNC_UNLOCK(sc); 100 callout_drain(&sc->sc_timer); 101 ether_ifdetach(ifp); |
102 sc->gone = 1; 103 bus_teardown_intr(dev, sc->irq, sc->irq_handle); 104 snc_release_resources(dev);
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105 mtx_destroy(&sc->sc_lock); |
106 return (0); 107} 108 109/* 110 * Probe the pccard. 111 */ 112static int 113snc_pccard_probe(device_t dev) 114{ 115 int error; 116 117 error = snc_alloc_port(dev, 0); 118 error = max(error, snc_alloc_memory(dev, 0)); 119 error = max(error, snc_alloc_irq(dev, 0, 0)); 120 121 if (!error && !snc_probe(dev, SNEC_TYPE_PNP)) 122 error = ENOENT; 123 124 snc_release_resources(dev); 125 return (error); 126} 127 128static int 129snc_pccard_attach(device_t dev) 130{ 131 struct snc_softc *sc = device_get_softc(dev);
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129 int error;
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132 133 bzero(sc, sizeof(struct snc_softc)); 134 135 snc_alloc_port(dev, 0); 136 snc_alloc_memory(dev, 0); 137 snc_alloc_irq(dev, 0, 0); 138
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137 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET,
138 NULL, sncintr, sc, &sc->irq_handle);
139 if (error) {
140 printf("snc_isa_attach: bus_setup_intr() failed\n");
141 snc_release_resources(dev);
142 return (error);
143 }
144
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139 /* This interface is always enabled. */ 140 sc->sc_enabled = 1; 141 142 /* pccard_get_ether(dev, ether_addr); */ 143 144 return snc_attach(dev); 145}
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