The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/aic/aic_pccard.c

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    1 /*-
    2  * Copyright (c) 1999 Luoqi Chen.
    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, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  */
   26 
   27 #include <sys/cdefs.h>
   28 __FBSDID("$FreeBSD: releng/9.1/sys/dev/aic/aic_pccard.c 170872 2007-06-17 05:55:54Z scottl $");
   29 
   30 #include <sys/param.h>
   31 #include <sys/kernel.h>
   32 #include <sys/module.h>
   33 #include <sys/bus.h>
   34 
   35 #include <machine/bus.h>
   36 #include <machine/resource.h>
   37 #include <sys/rman.h>
   38  
   39 #include <dev/aic/aicvar.h>
   40 #include <dev/pccard/pccardvar.h>
   41 
   42 #include "card_if.h"
   43 #include "pccarddevs.h"
   44 
   45 struct aic_pccard_softc {
   46         struct  aic_softc sc_aic;
   47         struct  resource *sc_port;
   48         struct  resource *sc_irq;
   49         void    *sc_ih;
   50 };
   51 
   52 static int aic_pccard_alloc_resources(device_t);
   53 static void aic_pccard_release_resources(device_t);
   54 static int aic_pccard_probe(device_t);
   55 static int aic_pccard_attach(device_t);
   56 
   57 static const struct pccard_product aic_pccard_products[] = {
   58         PCMCIA_CARD(ADAPTEC, APA1460),
   59         PCMCIA_CARD(ADAPTEC, APA1460A),
   60         PCMCIA_CARD(NEWMEDIA, BUSTOASTER),
   61         PCMCIA_CARD(NEWMEDIA, BUSTOASTER2),
   62         PCMCIA_CARD(NEWMEDIA, BUSTOASTER3),
   63         { NULL }
   64 };
   65 
   66 #define AIC_PCCARD_PORTSIZE 0x20
   67 
   68 static int
   69 aic_pccard_alloc_resources(device_t dev)
   70 {
   71         struct aic_pccard_softc *sc = device_get_softc(dev);
   72         int rid;
   73 
   74         sc->sc_port = sc->sc_irq = 0;
   75 
   76         rid = 0;
   77         sc->sc_port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
   78             0ul, ~0ul, AIC_PCCARD_PORTSIZE, RF_ACTIVE);
   79         if (!sc->sc_port)
   80                 return (ENOMEM);
   81 
   82         rid = 0;
   83         sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE);
   84         if (!sc->sc_irq) {
   85                 aic_pccard_release_resources(dev);
   86                 return (ENOMEM);
   87         }
   88 
   89         sc->sc_aic.dev = dev;
   90         sc->sc_aic.unit = device_get_unit(dev);
   91         sc->sc_aic.tag = rman_get_bustag(sc->sc_port);
   92         sc->sc_aic.bsh = rman_get_bushandle(sc->sc_port);
   93         return (0);
   94 }
   95 
   96 static void
   97 aic_pccard_release_resources(device_t dev)
   98 {
   99         struct aic_pccard_softc *sc = device_get_softc(dev);
  100 
  101         if (sc->sc_port)
  102                 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port);
  103         if (sc->sc_irq)
  104                 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq);
  105         sc->sc_port = sc->sc_irq = 0;
  106 }
  107 
  108 static int
  109 aic_pccard_probe(device_t dev)
  110 {
  111         const struct pccard_product *pp;
  112 
  113         if ((pp = pccard_product_lookup(dev, aic_pccard_products,
  114             sizeof(aic_pccard_products[0]), NULL)) != NULL) {
  115                 if (pp->pp_name != NULL)
  116                         device_set_desc(dev, pp->pp_name);
  117                 return 0;
  118         }
  119         return EIO;
  120 }
  121 
  122 static int
  123 aic_pccard_attach(device_t dev)
  124 {
  125         struct aic_pccard_softc *sc = device_get_softc(dev);
  126         struct aic_softc *aic = &sc->sc_aic;
  127         int error;
  128 
  129         if (aic_pccard_alloc_resources(dev))
  130                 return (ENXIO);
  131         if (aic_probe(aic)) {
  132                 aic_pccard_release_resources(dev);
  133                 return (ENXIO);
  134         }
  135 
  136         device_set_desc(dev, "Adaptec 6260/6360 SCSI controller");
  137 
  138         error = aic_attach(aic);
  139         if (error) {
  140                 device_printf(dev, "attach failed\n");
  141                 aic_pccard_release_resources(dev);
  142                 return (error);
  143         }
  144 
  145         error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_CAM|INTR_ENTROPY,
  146                                 NULL, aic_intr, aic, &sc->sc_ih);
  147         if (error) {
  148                 device_printf(dev, "failed to register interrupt handler\n");
  149                 aic_pccard_release_resources(dev);
  150                 return (error);
  151         }
  152         return (0);
  153 }
  154 
  155 static int
  156 aic_pccard_detach(device_t dev)
  157 {
  158         struct aic_pccard_softc *sc = device_get_softc(dev);
  159         struct aic_softc *aic = &sc->sc_aic;
  160         int error;
  161 
  162         error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih);
  163         if (error) {
  164                 device_printf(dev, "failed to unregister interrupt handler\n");
  165         }
  166 
  167         error = aic_detach(aic);
  168         if (error) {
  169                 device_printf(dev, "detach failed\n");
  170                 return (error);
  171         }
  172 
  173         aic_pccard_release_resources(dev);
  174         return (0);
  175 }
  176 
  177 static device_method_t aic_pccard_methods[] = {
  178         /* Device interface */
  179         DEVMETHOD(device_probe,         aic_pccard_probe),
  180         DEVMETHOD(device_attach,        aic_pccard_attach),
  181         DEVMETHOD(device_detach,        aic_pccard_detach),
  182 
  183         { 0, 0 }
  184 };
  185 
  186 static driver_t aic_pccard_driver = {
  187         "aic",
  188         aic_pccard_methods, sizeof(struct aic_pccard_softc),
  189 };
  190 
  191 extern devclass_t aic_devclass;
  192 
  193 MODULE_DEPEND(aic, cam, 1,1,1);
  194 DRIVER_MODULE(aic, pccard, aic_pccard_driver, aic_devclass, 0, 0);

Cache object: 094a7c8c2fe30ce456f3aba0844605d9


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