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/5.2/sys/dev/aic/aic_pccard.c 119418 2003-08-24 17:55:58Z obrien $");
   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_pio.h>
   36 #include <machine/bus.h>
   37 #include <machine/resource.h>
   38 #include <sys/rman.h>
   39  
   40 #include <dev/aic/aicvar.h>
   41 #include <dev/pccard/pccardvar.h>
   42 #include <dev/pccard/pccarddevs.h>
   43 
   44 #include "card_if.h"
   45 
   46 struct aic_pccard_softc {
   47         struct  aic_softc sc_aic;
   48         struct  resource *sc_port;
   49         struct  resource *sc_irq;
   50         void    *sc_ih;
   51 };
   52 
   53 static int aic_pccard_alloc_resources(device_t);
   54 static void aic_pccard_release_resources(device_t);
   55 static int aic_pccard_match(device_t);
   56 static int aic_pccard_probe(device_t);
   57 static int aic_pccard_attach(device_t);
   58 
   59 const struct pccard_product aic_pccard_products[] = {
   60         PCMCIA_CARD(ADAPTEC, APA1460, 0),
   61         PCMCIA_CARD(ADAPTEC, APA1460A, 0),
   62         PCMCIA_CARD(NEWMEDIA, BUSTOASTER, 0),
   63         PCMCIA_CARD(NEWMEDIA, BUSTOASTER2, 0),
   64         PCMCIA_CARD(NEWMEDIA, BUSTOASTER3, 0),
   65         { NULL }
   66 };
   67 
   68 #define AIC_PCCARD_PORTSIZE 0x20
   69 
   70 static int
   71 aic_pccard_alloc_resources(device_t dev)
   72 {
   73         struct aic_pccard_softc *sc = device_get_softc(dev);
   74         int rid;
   75 
   76         sc->sc_port = sc->sc_irq = 0;
   77 
   78         rid = 0;
   79         sc->sc_port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
   80             0ul, ~0ul, AIC_PCCARD_PORTSIZE, RF_ACTIVE);
   81         if (!sc->sc_port)
   82                 return (ENOMEM);
   83 
   84         rid = 0;
   85         sc->sc_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
   86             0ul, ~0ul, 1, RF_ACTIVE);
   87         if (!sc->sc_irq) {
   88                 aic_pccard_release_resources(dev);
   89                 return (ENOMEM);
   90         }
   91 
   92         sc->sc_aic.unit = device_get_unit(dev);
   93         sc->sc_aic.tag = rman_get_bustag(sc->sc_port);
   94         sc->sc_aic.bsh = rman_get_bushandle(sc->sc_port);
   95         return (0);
   96 }
   97 
   98 static void
   99 aic_pccard_release_resources(device_t dev)
  100 {
  101         struct aic_pccard_softc *sc = device_get_softc(dev);
  102 
  103         if (sc->sc_port)
  104                 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port);
  105         if (sc->sc_irq)
  106                 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq);
  107         sc->sc_port = sc->sc_irq = 0;
  108 }
  109 
  110 static int
  111 aic_pccard_match(device_t dev)
  112 {
  113         const struct pccard_product *pp;
  114 
  115         if ((pp = pccard_product_lookup(dev, aic_pccard_products,
  116             sizeof(aic_pccard_products[0]), NULL)) != NULL) {
  117                 if (pp->pp_name != NULL)
  118                         device_set_desc(dev, pp->pp_name);
  119                 return 0;
  120         }
  121         return EIO;
  122 }
  123 
  124 static int
  125 aic_pccard_probe(device_t dev)
  126 {
  127         struct aic_pccard_softc *sc = device_get_softc(dev);
  128         struct aic_softc *aic = &sc->sc_aic;
  129 
  130         if (aic_pccard_alloc_resources(dev))
  131                 return (ENXIO);
  132         if (aic_probe(aic)) {
  133                 aic_pccard_release_resources(dev);
  134                 return (ENXIO);
  135         }
  136         aic_pccard_release_resources(dev);
  137 
  138         device_set_desc(dev, "Adaptec 6260/6360 SCSI controller");
  139         return (0);
  140 }
  141 
  142 static int
  143 aic_pccard_attach(device_t dev)
  144 {
  145         struct aic_pccard_softc *sc = device_get_softc(dev);
  146         struct aic_softc *aic = &sc->sc_aic;
  147         int error;
  148 
  149         error = aic_pccard_alloc_resources(dev);
  150         if (error) {
  151                 device_printf(dev, "resource allocation failed\n");
  152                 return (error);
  153         }
  154 
  155         error = aic_attach(aic);
  156         if (error) {
  157                 device_printf(dev, "attach failed\n");
  158                 aic_pccard_release_resources(dev);
  159                 return (error);
  160         }
  161 
  162         error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_CAM|INTR_ENTROPY,
  163                                 aic_intr, aic, &sc->sc_ih);
  164         if (error) {
  165                 device_printf(dev, "failed to register interrupt handler\n");
  166                 aic_pccard_release_resources(dev);
  167                 return (error);
  168         }
  169         return (0);
  170 }
  171 
  172 static int
  173 aic_pccard_detach(device_t dev)
  174 {
  175         struct aic_pccard_softc *sc = device_get_softc(dev);
  176         struct aic_softc *aic = &sc->sc_aic;
  177         int error;
  178 
  179         error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih);
  180         if (error) {
  181                 device_printf(dev, "failed to unregister interrupt handler\n");
  182         }
  183 
  184         error = aic_detach(aic);
  185         if (error) {
  186                 device_printf(dev, "detach failed\n");
  187                 return (error);
  188         }
  189 
  190         aic_pccard_release_resources(dev);
  191         return (0);
  192 }
  193 
  194 static device_method_t aic_pccard_methods[] = {
  195         /* Device interface */
  196         DEVMETHOD(device_probe,         pccard_compat_probe),
  197         DEVMETHOD(device_attach,        pccard_compat_attach),
  198         DEVMETHOD(device_detach,        aic_pccard_detach),
  199 
  200         /* Card interface */
  201         DEVMETHOD(card_compat_match,    aic_pccard_match),
  202         DEVMETHOD(card_compat_probe,    aic_pccard_probe),
  203         DEVMETHOD(card_compat_attach,   aic_pccard_attach),
  204 
  205         { 0, 0 }
  206 };
  207 
  208 static driver_t aic_pccard_driver = {
  209         "aic",
  210         aic_pccard_methods, sizeof(struct aic_pccard_softc),
  211 };
  212 
  213 extern devclass_t aic_devclass;
  214 
  215 MODULE_DEPEND(aic, cam, 1,1,1);
  216 DRIVER_MODULE(aic, pccard, aic_pccard_driver, aic_devclass, 0, 0);

Cache object: 4d7727dbb89c21433377840b27a2cdf7


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