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  * $FreeBSD$
   27  */
   28 
   29 #include <sys/param.h>
   30 #include <sys/systm.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/aic6360reg.h>
   41 #include <dev/aic/aicvar.h>
   42 
   43 struct aic_pccard_softc {
   44         struct  aic_softc sc_aic;
   45         struct  resource *sc_port;
   46         struct  resource *sc_irq;
   47         void    *sc_ih;
   48 };
   49 
   50 static int aic_pccard_alloc_resources __P((device_t));
   51 static void aic_pccard_release_resources __P((device_t));
   52 static int aic_pccard_probe __P((device_t));
   53 static int aic_pccard_attach __P((device_t));
   54 
   55 #define AIC_PCCARD_PORTSIZE 0x20
   56 
   57 static int
   58 aic_pccard_alloc_resources(device_t dev)
   59 {
   60         struct aic_pccard_softc *sc = device_get_softc(dev);
   61         int rid;
   62 
   63         sc->sc_port = sc->sc_irq = 0;
   64 
   65         rid = 0;
   66         sc->sc_port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
   67             0ul, ~0ul, AIC_PCCARD_PORTSIZE, RF_ACTIVE);
   68         if (!sc->sc_port)
   69                 return (ENOMEM);
   70 
   71         rid = 0;
   72         sc->sc_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
   73             0ul, ~0ul, 1, RF_ACTIVE);
   74         if (!sc->sc_irq) {
   75                 aic_pccard_release_resources(dev);
   76                 return (ENOMEM);
   77         }
   78 
   79         sc->sc_aic.unit = device_get_unit(dev);
   80         sc->sc_aic.tag = rman_get_bustag(sc->sc_port);
   81         sc->sc_aic.bsh = rman_get_bushandle(sc->sc_port);
   82         return (0);
   83 }
   84 
   85 static void
   86 aic_pccard_release_resources(device_t dev)
   87 {
   88         struct aic_pccard_softc *sc = device_get_softc(dev);
   89 
   90         if (sc->sc_port)
   91                 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port);
   92         if (sc->sc_irq)
   93                 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq);
   94         sc->sc_port = sc->sc_irq = 0;
   95 }
   96 
   97 static int
   98 aic_pccard_probe(device_t dev)
   99 {
  100         struct aic_pccard_softc *sc = device_get_softc(dev);
  101         struct aic_softc *aic = &sc->sc_aic;
  102 
  103         if (aic_pccard_alloc_resources(dev))
  104                 return (ENXIO);
  105         if (aic_probe(aic)) {
  106                 aic_pccard_release_resources(dev);
  107                 return (ENXIO);
  108         }
  109         aic_pccard_release_resources(dev);
  110 
  111         device_set_desc(dev, "Adaptec 6260/6360 SCSI controller");
  112         return (0);
  113 }
  114 
  115 static int
  116 aic_pccard_attach(device_t dev)
  117 {
  118         struct aic_pccard_softc *sc = device_get_softc(dev);
  119         struct aic_softc *aic = &sc->sc_aic;
  120         int error;
  121 
  122         error = aic_pccard_alloc_resources(dev);
  123         if (error) {
  124                 device_printf(dev, "resource allocation failed\n");
  125                 return (error);
  126         }
  127 
  128         error = aic_attach(aic);
  129         if (error) {
  130                 device_printf(dev, "attach failed\n");
  131                 aic_pccard_release_resources(dev);
  132                 return (error);
  133         }
  134 
  135         error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_CAM, aic_intr,
  136             aic, &sc->sc_ih);
  137         if (error) {
  138                 device_printf(dev, "failed to register interrupt handler\n");
  139                 aic_pccard_release_resources(dev);
  140                 return (error);
  141         }
  142         return (0);
  143 }
  144 
  145 static int
  146 aic_pccard_detach(device_t dev)
  147 {
  148         struct aic_pccard_softc *sc = device_get_softc(dev);
  149         struct aic_softc *aic = &sc->sc_aic;
  150         int error;
  151 
  152         error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih);
  153         if (error) {
  154                 device_printf(dev, "failed to unregister interrupt handler\n");
  155         }
  156 
  157         error = aic_detach(aic);
  158         if (error) {
  159                 device_printf(dev, "detach failed\n");
  160                 return (error);
  161         }
  162 
  163         aic_pccard_release_resources(dev);
  164         return (0);
  165 }
  166 
  167 static device_method_t aic_pccard_methods[] = {
  168         /* Device interface */
  169         DEVMETHOD(device_probe,         aic_pccard_probe),
  170         DEVMETHOD(device_attach,        aic_pccard_attach),
  171         DEVMETHOD(device_detach,        aic_pccard_detach),
  172         { 0, 0 }
  173 };
  174 
  175 static driver_t aic_pccard_driver = {
  176         "aic",
  177         aic_pccard_methods, sizeof(struct aic_pccard_softc),
  178 };
  179 
  180 extern devclass_t aic_devclass;
  181 
  182 DRIVER_MODULE(aic, pccard, aic_pccard_driver, aic_devclass, 0, 0);

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

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