if_ed_pccard.c revision 56361
1121054Semax/* 2121054Semax * Copyright (c) 1995, David Greenman 3121054Semax * All rights reserved. 4121054Semax * 5121054Semax * Redistribution and use in source and binary forms, with or without 6121054Semax * modification, are permitted provided that the following conditions 7121054Semax * are met: 8121054Semax * 1. Redistributions of source code must retain the above copyright 9121054Semax * notice unmodified, this list of conditions, and the following 10121054Semax * disclaimer. 11121054Semax * 2. Redistributions in binary form must reproduce the above copyright 12121054Semax * notice, this list of conditions and the following disclaimer in the 13121054Semax * documentation and/or other materials provided with the distribution. 14121054Semax * 15121054Semax * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16121054Semax * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17121054Semax * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18121054Semax * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19121054Semax * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20121054Semax * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21121054Semax * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22121054Semax * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23121054Semax * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24121054Semax * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25121054Semax * SUCH DAMAGE. 26121054Semax * 27121054Semax * $FreeBSD: head/sys/dev/ed/if_ed_pccard.c 56361 2000-01-21 03:08:46Z hosokawa $ 28121054Semax */ 29121054Semax 30121054Semax#include <sys/param.h> 31121054Semax#include <sys/systm.h> 32121054Semax#include <sys/socket.h> 33121054Semax#include <sys/kernel.h> 34121054Semax 35121054Semax#include <sys/module.h> 36121054Semax#include <sys/bus.h> 37121054Semax#include <machine/bus.h> 38121054Semax 39121054Semax#include <net/ethernet.h> 40121054Semax#include <net/if.h> 41121054Semax#include <net/if_arp.h> 42121054Semax#include <net/if_mib.h> 43121054Semax 44121054Semax#include <dev/ed/if_edvar.h> 45121054Semax#include <dev/pccard/pccardvar.h> 46121054Semax 47121054Semax/* 48121054Semax * PC-Card (PCMCIA) specific code. 49121054Semax */ 50121054Semaxstatic int ed_pccard_probe(device_t); 51121054Semaxstatic int ed_pccard_attach(device_t); 52121054Semaxstatic int ed_pccard_detach(device_t); 53121054Semax 54121054Semaxstatic device_method_t ed_pccard_methods[] = { 55121054Semax /* Device interface */ 56121054Semax DEVMETHOD(device_probe, ed_pccard_probe), 57121054Semax DEVMETHOD(device_attach, ed_pccard_attach), 58121054Semax DEVMETHOD(device_detach, ed_pccard_detach), 59121054Semax 60121054Semax { 0, 0 } 61121054Semax}; 62121054Semax 63121054Semaxstatic driver_t ed_pccard_driver = { 64121054Semax "ed", 65121054Semax ed_pccard_methods, 66121054Semax sizeof(struct ed_softc) 67121054Semax}; 68121054Semax 69121054Semaxstatic devclass_t ed_pccard_devclass; 70121054Semax 71121054SemaxDRIVER_MODULE(ed, pccard, ed_pccard_driver, ed_pccard_devclass, 0, 0); 72121054Semax 73121054Semax/* 74121054Semax * ed_pccard_detach - unload the driver and clear the table. 75121054Semax * XXX TODO: 76121054Semax * This is usually called when the card is ejected, but 77121054Semax * can be caused by a modunload of a controller driver. 78121054Semax * The idea is to reset the driver's view of the device 79121054Semax * and ensure that any driver entry points such as 80121054Semax * read and write do not hang. 81121054Semax */ 82121054Semaxstatic int 83121054Semaxed_pccard_detach(device_t dev) 84121054Semax{ 85121054Semax struct ed_softc *sc = device_get_softc(dev); 86121054Semax struct ifnet *ifp = &sc->arpcom.ac_if; 87121054Semax 88121054Semax if (sc->gone) { 89121054Semax device_printf(dev, "already unloaded\n"); 90121054Semax return (0); 91121054Semax } 92121054Semax ed_stop(sc); 93121054Semax ifp->if_flags &= ~IFF_RUNNING; 94161662Smarkus if_detach(ifp); 95121054Semax sc->gone = 1; 96121054Semax bus_teardown_intr(dev, sc->irq_res, sc->irq_handle); 97121054Semax ed_release_resources(dev); 98121054Semax device_printf(dev, "unload\n"); 99121054Semax return (0); 100121054Semax} 101121054Semax 102121054Semax/* 103121054Semax * Probe framework for pccards. Replicates the standard framework, 104121054Semax * minus the pccard driver registration and ignores the ether address 105121054Semax * supplied (from the CIS), relying on the probe to find it instead. 106121054Semax */ 107121054Semaxstatic int 108121054Semaxed_pccard_probe(device_t dev) 109121054Semax{ 110121054Semax int error; 111121054Semax 112121054Semax error = ed_probe_WD80x3(dev); 113121054Semax if (error == 0) 114121054Semax goto end; 115121054Semax ed_release_resources(dev); 116121054Semax 117121054Semax error = ed_probe_Novell(dev); 118121054Semax if (error == 0) 119121054Semax goto end; 120121054Semax ed_release_resources(dev); 121121054Semax 122161662Smarkusend: 123121054Semax if (error == 0) 124121054Semax error = ed_alloc_irq(dev, 0, 0); 125121054Semax 126121054Semax ed_release_resources(dev); 127121054Semax return (error); 128121054Semax} 129121054Semax 130121054Semaxstatic int 131121054Semaxed_pccard_attach(device_t dev) 132121054Semax{ 133121054Semax struct ed_softc *sc = device_get_softc(dev); 134121054Semax int flags = device_get_flags(dev); 135121054Semax int error; 136121054Semax int i; 137121054Semax u_char sum; 138121054Semax u_char ether_addr[ETHER_ADDR_LEN]; 139121054Semax 140121054Semax if (sc->port_used > 0) 141121054Semax ed_alloc_port(dev, sc->port_rid, sc->port_used); 142121054Semax if (sc->mem_used) 143121054Semax ed_alloc_memory(dev, sc->mem_rid, sc->mem_used); 144121054Semax ed_alloc_irq(dev, sc->irq_rid, 0); 145121054Semax 146121054Semax error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET, 147121054Semax edintr, sc, &sc->irq_handle); 148121054Semax if (error) { 149121054Semax printf("setup intr failed %d \n", error); 150121054Semax ed_release_resources(dev); 151121054Semax return (error); 152121054Semax } 153121054Semax 154121054Semax pccard_get_ether(dev, ether_addr); 155121054Semax for (i = 0, sum = 0; i < ETHER_ADDR_LEN; i++) 156121054Semax sum |= ether_addr[i]; 157121054Semax if (sum) 158121054Semax bcopy(ether_addr, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 159121054Semax 160121054Semax error = ed_attach(sc, device_get_unit(dev), flags); 161121054Semax return (error); 162121054Semax} 163121054Semax