aic_pccard.c

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 1999 Luoqi Chen.
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   26  * SUCH DAMAGE.
   27  */
   28 
   29 #include <sys/cdefs.h>
   30 __FBSDID("$FreeBSD$");
   31 
   32 #include <sys/param.h>
   33 #include <sys/callout.h>
   34 #include <sys/kernel.h>
   35 #include <sys/lock.h>
   36 #include <sys/module.h>
   37 #include <sys/mutex.h>
   38 #include <sys/bus.h>
   39 
   40 #include <machine/bus.h>
   41 #include <machine/resource.h>
   42 #include <sys/rman.h>
   43  
   44 #include <dev/aic/aicvar.h>
   45 #include <dev/pccard/pccardvar.h>
   46 
   47 #include "card_if.h"
   48 #include "pccarddevs.h"
   49 
   50 struct aic_pccard_softc {
   51         struct  aic_softc sc_aic;
   52         struct  resource *sc_port;
   53         struct  resource *sc_irq;
   54         void    *sc_ih;
   55 };
   56 
   57 static int aic_pccard_alloc_resources(device_t);
   58 static void aic_pccard_release_resources(device_t);
   59 static int aic_pccard_probe(device_t);
   60 static int aic_pccard_attach(device_t);
   61 
   62 static const struct pccard_product aic_pccard_products[] = {
   63         PCMCIA_CARD(ADAPTEC, APA1460),
   64         PCMCIA_CARD(ADAPTEC, APA1460A),
   65         PCMCIA_CARD(NEWMEDIA, BUSTOASTER),
   66         PCMCIA_CARD(NEWMEDIA, BUSTOASTER2),
   67         PCMCIA_CARD(NEWMEDIA, BUSTOASTER3),
   68         { NULL }
   69 };
   70 
   71 #define AIC_PCCARD_PORTSIZE 0x20
   72 
   73 static int
   74 aic_pccard_alloc_resources(device_t dev)
   75 {
   76         struct aic_pccard_softc *sc = device_get_softc(dev);
   77         int rid;
   78 
   79         sc->sc_port = sc->sc_irq = NULL;
   80 
   81         rid = 0;
   82         sc->sc_port = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT, &rid,
   83             AIC_PCCARD_PORTSIZE, RF_ACTIVE);
   84         if (!sc->sc_port)
   85                 return (ENOMEM);
   86 
   87         rid = 0;
   88         sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE);
   89         if (!sc->sc_irq) {
   90                 aic_pccard_release_resources(dev);
   91                 return (ENOMEM);
   92         }
   93 
   94         sc->sc_aic.dev = dev;
   95         sc->sc_aic.res = sc->sc_port;
   96         mtx_init(&sc->sc_aic.lock, "aic", NULL, MTX_DEF);
   97         return (0);
   98 }
   99 
  100 static void
  101 aic_pccard_release_resources(device_t dev)
  102 {
  103         struct aic_pccard_softc *sc = device_get_softc(dev);
  104 
  105         if (sc->sc_port)
  106                 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->sc_port);
  107         if (sc->sc_irq)
  108                 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_irq);
  109         sc->sc_port = sc->sc_irq = NULL;
  110         mtx_destroy(&sc->sc_aic.lock);
  111 }
  112 
  113 static int
  114 aic_pccard_probe(device_t dev)
  115 {
  116         const struct pccard_product *pp;
  117 
  118         if ((pp = pccard_product_lookup(dev, aic_pccard_products,
  119             sizeof(aic_pccard_products[0]), NULL)) != NULL) {
  120                 if (pp->pp_name != NULL)
  121                         device_set_desc(dev, pp->pp_name);
  122                 else
  123                         device_set_desc(dev,
  124                             "Adaptec 6260/6360 SCSI controller");
  125                 return (BUS_PROBE_DEFAULT);
  126         }
  127         return (ENXIO);
  128 }
  129 
  130 static int
  131 aic_pccard_attach(device_t dev)
  132 {
  133         struct aic_pccard_softc *sc = device_get_softc(dev);
  134         struct aic_softc *aic = &sc->sc_aic;
  135         int error;
  136 
  137         if (aic_pccard_alloc_resources(dev))
  138                 return (ENXIO);
  139         if (aic_probe(aic)) {
  140                 aic_pccard_release_resources(dev);
  141                 return (ENXIO);
  142         }
  143 
  144         error = aic_attach(aic);
  145         if (error) {
  146                 device_printf(dev, "attach failed\n");
  147                 aic_pccard_release_resources(dev);
  148                 return (error);
  149         }
  150 
  151         error = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_CAM | INTR_ENTROPY |
  152             INTR_MPSAFE, NULL, aic_intr, aic, &sc->sc_ih);
  153         if (error) {
  154                 device_printf(dev, "failed to register interrupt handler\n");
  155                 aic_pccard_release_resources(dev);
  156                 return (error);
  157         }
  158         return (0);
  159 }
  160 
  161 static int
  162 aic_pccard_detach(device_t dev)
  163 {
  164         struct aic_pccard_softc *sc = device_get_softc(dev);
  165         struct aic_softc *aic = &sc->sc_aic;
  166         int error;
  167 
  168         error = bus_teardown_intr(dev, sc->sc_irq, sc->sc_ih);
  169         if (error) {
  170                 device_printf(dev, "failed to unregister interrupt handler\n");
  171         }
  172 
  173         error = aic_detach(aic);
  174         if (error) {
  175                 device_printf(dev, "detach failed\n");
  176                 return (error);
  177         }
  178 
  179         aic_pccard_release_resources(dev);
  180         return (0);
  181 }
  182 
  183 static device_method_t aic_pccard_methods[] = {
  184         /* Device interface */
  185         DEVMETHOD(device_probe,         aic_pccard_probe),
  186         DEVMETHOD(device_attach,        aic_pccard_attach),
  187         DEVMETHOD(device_detach,        aic_pccard_detach),
  188 
  189         { 0, 0 }
  190 };
  191 
  192 static driver_t aic_pccard_driver = {
  193         "aic",
  194         aic_pccard_methods, sizeof(struct aic_pccard_softc),
  195 };
  196 
  197 extern devclass_t aic_devclass;
  198 
  199 MODULE_DEPEND(aic, cam, 1,1,1);
  200 DRIVER_MODULE(aic, pccard, aic_pccard_driver, aic_devclass, 0, 0);
  201 PCCARD_PNP_INFO(aic_pccard_products);

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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