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: stable/11/sys/dev/aic/aic_pccard.c 331722 2018-03-29 02:50:57Z eadler $");
   29 
   30 #include <sys/param.h>
   31 #include <sys/callout.h>
   32 #include <sys/kernel.h>
   33 #include <sys/lock.h>
   34 #include <sys/module.h>
   35 #include <sys/mutex.h>
   36 #include <sys/bus.h>
   37 
   38 #include <machine/bus.h>
   39 #include <machine/resource.h>
   40 #include <sys/rman.h>
   41  
   42 #include <dev/aic/aicvar.h>
   43 #include <dev/pccard/pccardvar.h>
   44 
   45 #include "card_if.h"
   46 #include "pccarddevs.h"
   47 
   48 struct aic_pccard_softc {
   49         struct  aic_softc sc_aic;
   50         struct  resource *sc_port;
   51         struct  resource *sc_irq;
   52         void    *sc_ih;
   53 };
   54 
   55 static int aic_pccard_alloc_resources(device_t);
   56 static void aic_pccard_release_resources(device_t);
   57 static int aic_pccard_probe(device_t);
   58 static int aic_pccard_attach(device_t);
   59 
   60 static const struct pccard_product aic_pccard_products[] = {
   61         PCMCIA_CARD(ADAPTEC, APA1460),
   62         PCMCIA_CARD(ADAPTEC, APA1460A),
   63         PCMCIA_CARD(NEWMEDIA, BUSTOASTER),
   64         PCMCIA_CARD(NEWMEDIA, BUSTOASTER2),
   65         PCMCIA_CARD(NEWMEDIA, BUSTOASTER3),
   66         { NULL }
   67 };
   68 
   69 #define AIC_PCCARD_PORTSIZE 0x20
   70 
   71 static int
   72 aic_pccard_alloc_resources(device_t dev)
   73 {
   74         struct aic_pccard_softc *sc = device_get_softc(dev);
   75         int rid;
   76 
   77         sc->sc_port = sc->sc_irq = NULL;
   78 
   79         rid = 0;
   80         sc->sc_port = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT, &rid,
   81             AIC_PCCARD_PORTSIZE, RF_ACTIVE);
   82         if (!sc->sc_port)
   83                 return (ENOMEM);
   84 
   85         rid = 0;
   86         sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE);
   87         if (!sc->sc_irq) {
   88                 aic_pccard_release_resources(dev);
   89                 return (ENOMEM);
   90         }
   91 
   92         sc->sc_aic.dev = dev;
   93         sc->sc_aic.res = sc->sc_port;
   94         mtx_init(&sc->sc_aic.lock, "aic", NULL, MTX_DEF);
   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 = NULL;
  108         mtx_destroy(&sc->sc_aic.lock);
  109 }
  110 
  111 static int
  112 aic_pccard_probe(device_t dev)
  113 {
  114         const struct pccard_product *pp;
  115 
  116         if ((pp = pccard_product_lookup(dev, aic_pccard_products,
  117             sizeof(aic_pccard_products[0]), NULL)) != NULL) {
  118                 if (pp->pp_name != NULL)
  119                         device_set_desc(dev, pp->pp_name);
  120                 else
  121                         device_set_desc(dev,
  122                             "Adaptec 6260/6360 SCSI controller");
  123                 return (BUS_PROBE_DEFAULT);
  124         }
  125         return (ENXIO);
  126 }
  127 
  128 static int
  129 aic_pccard_attach(device_t dev)
  130 {
  131         struct aic_pccard_softc *sc = device_get_softc(dev);
  132         struct aic_softc *aic = &sc->sc_aic;
  133         int error;
  134 
  135         if (aic_pccard_alloc_resources(dev))
  136                 return (ENXIO);
  137         if (aic_probe(aic)) {
  138                 aic_pccard_release_resources(dev);
  139                 return (ENXIO);
  140         }
  141 
  142         error = aic_attach(aic);
  143         if (error) {
  144                 device_printf(dev, "attach failed\n");
  145                 aic_pccard_release_resources(dev);
  146                 return (error);
  147         }
  148 
  149         error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_CAM | INTR_ENTROPY |
  150             INTR_MPSAFE, NULL, aic_intr, aic, &sc->sc_ih);
  151         if (error) {
  152                 device_printf(dev, "failed to register interrupt handler\n");
  153                 aic_pccard_release_resources(dev);
  154                 return (error);
  155         }
  156         return (0);
  157 }
  158 
  159 static int
  160 aic_pccard_detach(device_t dev)
  161 {
  162         struct aic_pccard_softc *sc = device_get_softc(dev);
  163         struct aic_softc *aic = &sc->sc_aic;
  164         int error;
  165 
  166         error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih);
  167         if (error) {
  168                 device_printf(dev, "failed to unregister interrupt handler\n");
  169         }
  170 
  171         error = aic_detach(aic);
  172         if (error) {
  173                 device_printf(dev, "detach failed\n");
  174                 return (error);
  175         }
  176 
  177         aic_pccard_release_resources(dev);
  178         return (0);
  179 }
  180 
  181 static device_method_t aic_pccard_methods[] = {
  182         /* Device interface */
  183         DEVMETHOD(device_probe,         aic_pccard_probe),
  184         DEVMETHOD(device_attach,        aic_pccard_attach),
  185         DEVMETHOD(device_detach,        aic_pccard_detach),
  186 
  187         { 0, 0 }
  188 };
  189 
  190 static driver_t aic_pccard_driver = {
  191         "aic",
  192         aic_pccard_methods, sizeof(struct aic_pccard_softc),
  193 };
  194 
  195 extern devclass_t aic_devclass;
  196 
  197 MODULE_DEPEND(aic, cam, 1,1,1);
  198 DRIVER_MODULE(aic, pccard, aic_pccard_driver, aic_devclass, 0, 0);
  199 PCCARD_PNP_INFO(aic_pccard_products);

Cache object: 0baef3f464fbf58dfb05329c7db1c4a9


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