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/6.1/sys/dev/aic/aic_pccard.c 147580 2005-06-24 14:36:54Z imp $");
   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_match(device_t);
   55 static int aic_pccard_probe(device_t);
   56 static int aic_pccard_attach(device_t);
   57 
   58 const struct pccard_product aic_pccard_products[] = {
   59         PCMCIA_CARD(ADAPTEC, APA1460),
   60         PCMCIA_CARD(ADAPTEC, APA1460A),
   61         PCMCIA_CARD(NEWMEDIA, BUSTOASTER),
   62         PCMCIA_CARD(NEWMEDIA, BUSTOASTER2),
   63         PCMCIA_CARD(NEWMEDIA, BUSTOASTER3),
   64         { NULL }
   65 };
   66 
   67 #define AIC_PCCARD_PORTSIZE 0x20
   68 
   69 static int
   70 aic_pccard_alloc_resources(device_t dev)
   71 {
   72         struct aic_pccard_softc *sc = device_get_softc(dev);
   73         int rid;
   74 
   75         sc->sc_port = sc->sc_irq = 0;
   76 
   77         rid = 0;
   78         sc->sc_port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
   79             0ul, ~0ul, AIC_PCCARD_PORTSIZE, RF_ACTIVE);
   80         if (!sc->sc_port)
   81                 return (ENOMEM);
   82 
   83         rid = 0;
   84         sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE);
   85         if (!sc->sc_irq) {
   86                 aic_pccard_release_resources(dev);
   87                 return (ENOMEM);
   88         }
   89 
   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_match(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_probe(device_t dev)
  124 {
  125         struct aic_pccard_softc *sc = device_get_softc(dev);
  126         struct aic_softc *aic = &sc->sc_aic;
  127 
  128         if (aic_pccard_alloc_resources(dev))
  129                 return (ENXIO);
  130         if (aic_probe(aic)) {
  131                 aic_pccard_release_resources(dev);
  132                 return (ENXIO);
  133         }
  134         aic_pccard_release_resources(dev);
  135 
  136         device_set_desc(dev, "Adaptec 6260/6360 SCSI controller");
  137         return (0);
  138 }
  139 
  140 static int
  141 aic_pccard_attach(device_t dev)
  142 {
  143         struct aic_pccard_softc *sc = device_get_softc(dev);
  144         struct aic_softc *aic = &sc->sc_aic;
  145         int error;
  146 
  147         error = aic_pccard_alloc_resources(dev);
  148         if (error) {
  149                 device_printf(dev, "resource allocation failed\n");
  150                 return (error);
  151         }
  152 
  153         error = aic_attach(aic);
  154         if (error) {
  155                 device_printf(dev, "attach failed\n");
  156                 aic_pccard_release_resources(dev);
  157                 return (error);
  158         }
  159 
  160         error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_CAM|INTR_ENTROPY,
  161                                 aic_intr, aic, &sc->sc_ih);
  162         if (error) {
  163                 device_printf(dev, "failed to register interrupt handler\n");
  164                 aic_pccard_release_resources(dev);
  165                 return (error);
  166         }
  167         return (0);
  168 }
  169 
  170 static int
  171 aic_pccard_detach(device_t dev)
  172 {
  173         struct aic_pccard_softc *sc = device_get_softc(dev);
  174         struct aic_softc *aic = &sc->sc_aic;
  175         int error;
  176 
  177         error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih);
  178         if (error) {
  179                 device_printf(dev, "failed to unregister interrupt handler\n");
  180         }
  181 
  182         error = aic_detach(aic);
  183         if (error) {
  184                 device_printf(dev, "detach failed\n");
  185                 return (error);
  186         }
  187 
  188         aic_pccard_release_resources(dev);
  189         return (0);
  190 }
  191 
  192 static device_method_t aic_pccard_methods[] = {
  193         /* Device interface */
  194         DEVMETHOD(device_probe,         pccard_compat_probe),
  195         DEVMETHOD(device_attach,        pccard_compat_attach),
  196         DEVMETHOD(device_detach,        aic_pccard_detach),
  197 
  198         /* Card interface */
  199         DEVMETHOD(card_compat_match,    aic_pccard_match),
  200         DEVMETHOD(card_compat_probe,    aic_pccard_probe),
  201         DEVMETHOD(card_compat_attach,   aic_pccard_attach),
  202 
  203         { 0, 0 }
  204 };
  205 
  206 static driver_t aic_pccard_driver = {
  207         "aic",
  208         aic_pccard_methods, sizeof(struct aic_pccard_softc),
  209 };
  210 
  211 extern devclass_t aic_devclass;
  212 
  213 MODULE_DEPEND(aic, cam, 1,1,1);
  214 DRIVER_MODULE(aic, pccard, aic_pccard_driver, aic_devclass, 0, 0);

Cache object: 8aa95855961342c92a9bde106f20ab6a


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