FreeBSD/Linux Kernel Cross Reference
sys/dev/pcmcia/if_an_pcmcia.c

     /* $NetBSD: if_an_pcmcia.c,v 1.17 2004/01/28 15:07:52 onoe Exp $ */
     
     /*-
      * Copyright (c) 2000 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Atsushi Onoe
      *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *        This product includes software developed by the NetBSD
     *        Foundation, Inc. and its contributors.
     * 4. Neither the name of The NetBSD Foundation nor the names of its
     *    contributors may be used to endorse or promote products derived
     *    from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     * POSSIBILITY OF SUCH DAMAGE.
     */
    
    #include <sys/cdefs.h>
    __KERNEL_RCSID(0, "$NetBSD: if_an_pcmcia.c,v 1.17 2004/01/28 15:07:52 onoe Exp $");
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/callout.h>
    #include <sys/mbuf.h>
    #include <sys/socket.h>
    #include <sys/ioctl.h>
    #include <sys/errno.h>
    #include <sys/syslog.h>
    #include <sys/select.h>
    #include <sys/device.h>
    
    #include <net/if.h>
    #include <net/if_dl.h>
    #include <net/if_ether.h>
    #include <net/if_media.h>
    
    #include <net80211/ieee80211_var.h>
    #include <net80211/ieee80211_compat.h>
    
    #include <machine/cpu.h>
    #include <machine/bus.h>
    #include <machine/intr.h>
    
    #include <dev/ic/anreg.h>
    #include <dev/ic/anvar.h>
    
    #include <dev/pcmcia/pcmciareg.h>
    #include <dev/pcmcia/pcmciavar.h>
    #include <dev/pcmcia/pcmciadevs.h>
    
    static int an_pcmcia_match __P((struct device *, struct cfdata *, void *));
    static void an_pcmcia_attach __P((struct device *, struct device *, void *));
    static int an_pcmcia_detach __P((struct device *, int));
    static int an_pcmcia_enable __P((struct an_softc *));
    static void an_pcmcia_disable __P((struct an_softc *));
    
    struct an_pcmcia_softc {
            struct an_softc sc_an;                  /* real "an" softc */
    
            /* PCMCIA-specific goo */
            struct pcmcia_io_handle sc_pcioh;       /* PCMCIA i/o space info */
            int sc_io_window;                       /* our i/o window */
            struct pcmcia_function *sc_pf;          /* our PCMCIA function */
            void *sc_ih;                            /* interrupt handle */
            void *sc_powerhook;                     /* power hook descriptor */
    };
    
    CFATTACH_DECL(an_pcmcia, sizeof(struct an_pcmcia_softc),
        an_pcmcia_match, an_pcmcia_attach, an_pcmcia_detach, an_activate);
    
    static struct an_pcmcia_product {
            u_int32_t       app_vendor;     /* vendor ID */
            u_int32_t       app_product;    /* product ID */
            const char      *app_cisinfo[4]; /* CIS information */
            const char      *app_name;      /* product name */
    } an_pcmcia_products[] = {
            { PCMCIA_VENDOR_AIRONET,        PCMCIA_PRODUCT_AIRONET_PC4800,
              PCMCIA_CIS_AIRONET_PC4800,    PCMCIA_STR_AIRONET_PC4800 },
           { PCMCIA_VENDOR_AIRONET,        PCMCIA_PRODUCT_AIRONET_PC4500,
             PCMCIA_CIS_AIRONET_PC4500,    PCMCIA_STR_AIRONET_PC4500 },
           { PCMCIA_VENDOR_AIRONET,        PCMCIA_PRODUCT_AIRONET_350,
             PCMCIA_CIS_AIRONET_350,       PCMCIA_STR_AIRONET_350 },
           { 0,                            0,
             { NULL, NULL, NULL, NULL },   NULL }
   };
   
   static int
   an_pcmcia_enable(sc)
           struct an_softc *sc;
   {
           struct an_pcmcia_softc *psc = (struct an_pcmcia_softc *)sc;
           struct pcmcia_function *pf = psc->sc_pf;
   
           /* establish the interrupt. */
           psc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, an_intr, sc);
           if (psc->sc_ih == NULL) {
                   printf("%s: couldn't establish interrupt\n",
                       sc->sc_dev.dv_xname);
                   return (1);
           }
   
           if (pcmcia_function_enable(pf)) {
                   pcmcia_intr_disestablish(pf, psc->sc_ih);
                   return (1);
           }
           DELAY(1000);
   
           return (0);
   }
   
   static void
   an_pcmcia_disable(sc)
           struct an_softc *sc;
   {
           struct an_pcmcia_softc *psc = (struct an_pcmcia_softc *)sc;
           struct pcmcia_function *pf = psc->sc_pf;
   
           pcmcia_function_disable(pf);
           pcmcia_intr_disestablish(pf, psc->sc_ih);
   }
   
   static int
   an_pcmcia_match(parent, match, aux)
           struct device *parent;
           struct cfdata *match;
           void *aux;
   {
           struct pcmcia_attach_args *pa = aux;
           struct an_pcmcia_product *app;
   
           for (app = an_pcmcia_products; app->app_name != NULL; app++) {
                   /* match by vendor/product id */
                   if (pa->manufacturer != PCMCIA_VENDOR_INVALID &&
                       pa->manufacturer == app->app_vendor &&
                       pa->product != PCMCIA_PRODUCT_INVALID &&
                       pa->product == app->app_product)
                           return 1;
   
                   /* match by CIS information */
                   if (pa->card->cis1_info[0] != NULL &&
                       app->app_cisinfo[0] != NULL &&
                       strcmp(pa->card->cis1_info[0], app->app_cisinfo[0]) == 0 &&
                       pa->card->cis1_info[1] != NULL &&
                       app->app_cisinfo[1] != NULL &&
                       strcmp(pa->card->cis1_info[1], app->app_cisinfo[1]) == 0)
                           return 1;
           }
           return 0;
   }
   
   static void
   an_pcmcia_attach(parent, self, aux)
           struct device  *parent, *self;
           void           *aux;
   {
           struct an_pcmcia_softc *psc = (void *)self;
           struct an_softc *sc = &psc->sc_an;
           struct pcmcia_attach_args *pa = aux;
           struct pcmcia_config_entry *cfe;
           char devinfo[256];
   
           /* Print out what we are. */
           pcmcia_devinfo(&pa->pf->sc->card, 0, devinfo, sizeof(devinfo));
           printf(": %s\n", devinfo);
   
           psc->sc_pf = pa->pf;
           if ((cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head)) == NULL) {
                   printf("%s: no suitable CIS info found\n", sc->sc_dev.dv_xname);
                   goto fail1;
           }
   
           if (pcmcia_io_alloc(psc->sc_pf, cfe->iospace[0].start,
               cfe->iospace[0].length, AN_IOSIZ, &psc->sc_pcioh) != 0) {
                   printf("%s: failed to allocate io space\n",
                       sc->sc_dev.dv_xname);
                   goto fail1;
           }
   
           if (pcmcia_io_map(psc->sc_pf, PCMCIA_WIDTH_AUTO, 0, psc->sc_pcioh.size,
               &psc->sc_pcioh, &psc->sc_io_window) != 0) {
                   printf("%s: failed to map io space\n", sc->sc_dev.dv_xname);
                   goto fail2;
           }
   
           pcmcia_function_init(psc->sc_pf, cfe);
   
           if (pcmcia_function_enable(psc->sc_pf)) {
                   printf("%s: failed to enable pcmcia\n", sc->sc_dev.dv_xname);
                   goto fail3;
           }
   
           if ((psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, an_intr,
               sc)) == NULL) {
                   printf("%s: unable to establish interrupt\n",
                       sc->sc_dev.dv_xname);
                   goto fail4;
           }
   
           sc->sc_iot = psc->sc_pcioh.iot;
           sc->sc_ioh = psc->sc_pcioh.ioh;
           sc->sc_enabled = 1;
           sc->sc_enable = an_pcmcia_enable;
           sc->sc_disable = an_pcmcia_disable;
   
           if (an_attach(sc) != 0) {
                   printf("%s: failed to attach controller\n",
                       sc->sc_dev.dv_xname);
                   goto fail5;
           }
           psc->sc_powerhook = powerhook_establish(an_power, sc);
           sc->sc_enabled = 0;
   
           /* disable device and disestablish the interrupt */
           an_pcmcia_disable(sc);
           return;
   
     fail5:
           pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
     fail4:
           pcmcia_function_disable(psc->sc_pf);
     fail3:
           pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
     fail2:
           pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
     fail1:
           psc->sc_io_window = -1;
   }
   
   
   static int
   an_pcmcia_detach(self, flags)
           struct device *self;
           int flags;
   {
           struct an_pcmcia_softc *psc = (struct an_pcmcia_softc *)self;
           int error;
   
           if (psc->sc_io_window == -1)
                   /* Nothing to detach. */
                   return (0);
   
           if (psc->sc_powerhook != NULL)
                   powerhook_disestablish(psc->sc_powerhook);
   
           error = an_detach(&psc->sc_an);
           if (error != 0)
                   return (error);
   
           /* Unmap our i/o window. */
           pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
   
           /* Free our i/o space. */
           pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
           return (0);
   }

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