if_awi_pccard.c

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    1 /*-
    2  * Copyright (c) 2000 Atsushi Onoe <onoe@sm.sony.co.jp>
    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 ``AS IS'' AND ANY EXPRESS OR
   15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   17  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   24  */
   25 
   26 #include <sys/cdefs.h>
   27 __FBSDID("$FreeBSD$");
   28 
   29 #include <sys/param.h>
   30 #include <sys/systm.h>
   31 #include <sys/kernel.h>
   32 #include <sys/socket.h>
   33 
   34 #include <sys/module.h>
   35 #include <sys/bus.h>
   36 
   37 #include <machine/bus.h>
   38 #include <machine/resource.h>
   39 #include <sys/rman.h>
   40  
   41 #include <net/if.h> 
   42 #include <net/if_arp.h>
   43 #include <net/if_media.h>
   44 #include <net/ethernet.h>
   45 
   46 #include <net80211/ieee80211_var.h>
   47 
   48 #include <dev/awi/am79c930reg.h>
   49 #include <dev/awi/am79c930var.h>
   50 #include <dev/awi/awireg.h>
   51 #include <dev/awi/awivar.h>
   52 
   53 #include <dev/pccard/pccardvar.h>
   54 
   55 #include "card_if.h"
   56 #include "pccarddevs.h"
   57 
   58 struct awi_pccard_softc {
   59         struct awi_softc        sc_awi;
   60 
   61         u_int8_t        sc_version[AWI_BANNER_LEN];
   62         int             sc_intr_mask;
   63         void            *sc_intrhand;
   64         struct resource *sc_irq_res;
   65         int             sc_irq_rid;
   66         struct resource *sc_port_res;
   67         int             sc_port_rid;
   68         struct resource *sc_mem_res;
   69         int             sc_mem_rid;
   70 };
   71 
   72 static const struct pccard_product awi_pccard_products[] = {
   73         PCMCIA_CARD(AMD, AM79C930),
   74         PCMCIA_CARD(BAY, STACK_650),
   75         PCMCIA_CARD(BAY, STACK_660),
   76         PCMCIA_CARD(BAY, SURFER_PRO),
   77         PCMCIA_CARD(ICOM, SL200),
   78         PCMCIA_CARD(NOKIA, C020_WLAN),
   79         PCMCIA_CARD(FARALLON, SKYLINE),
   80         PCMCIA_CARD(ZOOM, AIR_4000),
   81         { NULL }
   82 };
   83 
   84 static int awi_pccard_probe(device_t);
   85 static int awi_pccard_attach(device_t);
   86 static int awi_pccard_detach(device_t);
   87 static void awi_pccard_shutdown(device_t);
   88 static int awi_pccard_enable(struct awi_softc *);
   89 static void awi_pccard_disable(struct awi_softc *);
   90 
   91 static int
   92 awi_pccard_probe(device_t dev)
   93 {
   94         const struct pccard_product *pp;
   95 
   96         if ((pp = pccard_product_lookup(dev, awi_pccard_products,
   97             sizeof(awi_pccard_products[0]), NULL)) != NULL) {
   98                 if (pp->pp_name != NULL)
   99                         device_set_desc(dev, pp->pp_name);
  100                 return 0;
  101         }
  102         return ENXIO;
  103 }
  104 
  105 /*
  106  * Initialize the device - called from Slot manager.
  107  */
  108 static int
  109 awi_pccard_attach(device_t dev)
  110 {
  111         struct awi_pccard_softc *psc = device_get_softc(dev);
  112         struct awi_softc *sc = &psc->sc_awi;
  113         int error = 0;
  114 
  115         psc->sc_port_rid = 0;
  116         psc->sc_port_res = bus_alloc_resource(dev, SYS_RES_IOPORT,
  117             &psc->sc_port_rid, 0, ~0, AM79C930_IO_SIZE,
  118             rman_make_alignment_flags(AM79C930_IO_ALIGN) | RF_ACTIVE);
  119         if (!psc->sc_port_res)
  120                 return ENOMEM;
  121 
  122         sc->sc_chip.sc_iot = rman_get_bustag(psc->sc_port_res);
  123         sc->sc_chip.sc_ioh = rman_get_bushandle(psc->sc_port_res);
  124         am79c930_chip_init(&sc->sc_chip, 0);
  125         tsleep(sc, PWAIT, "awiprb", 1);
  126 
  127         awi_read_bytes(sc, AWI_BANNER, psc->sc_version, AWI_BANNER_LEN);
  128         if (memcmp(psc->sc_version, "PCnetMobile:", 12) != 0)  {
  129                 device_printf(dev, "awi_pccard_probe: bad banner: %12D\n",
  130                     psc->sc_version, " ");
  131                 error = ENXIO;
  132         } else
  133                 device_set_desc(dev, psc->sc_version);
  134 
  135         psc->sc_irq_res = 0;
  136         psc->sc_mem_res = 0;
  137         psc->sc_intrhand = 0;
  138 
  139         psc->sc_port_rid = 0;
  140         psc->sc_port_res = bus_alloc_resource(dev, SYS_RES_IOPORT,
  141             &psc->sc_port_rid, 0, ~0, 16, RF_ACTIVE);
  142         if (!psc->sc_port_res) {
  143                 device_printf(dev, "awi_pccard_attach: port alloc failed\n");
  144                 goto fail;
  145         }
  146         sc->sc_chip.sc_iot = rman_get_bustag(psc->sc_port_res);
  147         sc->sc_chip.sc_ioh = rman_get_bushandle(psc->sc_port_res);
  148 
  149         psc->sc_irq_rid = 0;
  150         psc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
  151             &psc->sc_irq_rid, RF_ACTIVE);
  152         if (!psc->sc_irq_res) {
  153                 device_printf(dev, "awi_pccard_attach: irq alloc failed\n");
  154                 goto fail;
  155         }
  156 
  157         psc->sc_mem_rid = 0;
  158 #if 1
  159         /*
  160          * XXX: awi needs to access memory with 8bit,
  161          * but OLDCARD apparently maps memory with MDF_16BITS flag.
  162          * So memory mapped access is disabled and use IO port instead.
  163          * XXX: Should check to see if this is true of NEWCARD
  164          */
  165         psc->sc_mem_res = 0;
  166 #else
  167         psc->sc_mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY,
  168             &psc->sc_mem_rid, 0, ~0, 0x8000, RF_ACTIVE);
  169 #endif
  170         if (psc->sc_mem_res) {
  171                 sc->sc_chip.sc_memt = rman_get_bustag(psc->sc_mem_res);
  172                 sc->sc_chip.sc_memh = rman_get_bushandle(psc->sc_mem_res);
  173                 am79c930_chip_init(&sc->sc_chip, 1);
  174         } else
  175                 am79c930_chip_init(&sc->sc_chip, 0);
  176 
  177         sc->sc_dev = dev;
  178         sc->sc_cansleep = 1;
  179         sc->sc_enable = awi_pccard_enable;
  180         sc->sc_disable = awi_pccard_disable;
  181 
  182         if (awi_pccard_enable(sc))
  183                 goto fail;
  184         sc->sc_enabled = 1;
  185         error = awi_attach(sc);
  186         sc->sc_enabled = 0;     /*XXX*/
  187         awi_pccard_disable(sc);
  188         if (error == 0)
  189                 return 0;
  190         device_printf(dev, "awi_pccard_attach: awi_attach failed\n");
  191 
  192   fail:
  193         awi_pccard_detach(dev);
  194         if (error == 0)
  195                 error = ENXIO;
  196         return error;
  197 }
  198 
  199 static int
  200 awi_pccard_detach(device_t dev)
  201 {
  202         struct awi_pccard_softc *psc = device_get_softc(dev);
  203         struct awi_softc *sc = &psc->sc_awi;
  204 
  205         awi_detach(sc);
  206         if (psc->sc_mem_res) {
  207                 bus_release_resource(dev, SYS_RES_MEMORY, psc->sc_mem_rid,
  208                     psc->sc_mem_res);
  209                 psc->sc_mem_res = 0;
  210         }
  211         if (psc->sc_irq_res) {
  212                 bus_release_resource(dev, SYS_RES_IRQ, psc->sc_irq_rid,
  213                     psc->sc_irq_res);
  214                 psc->sc_irq_res = 0;
  215         }
  216         if (psc->sc_port_res) {
  217                 bus_release_resource(dev, SYS_RES_IOPORT, psc->sc_port_rid,
  218                     psc->sc_port_res);
  219                 psc->sc_port_res = 0;
  220         }
  221         return 0;
  222 }
  223 
  224 static void
  225 awi_pccard_shutdown(device_t dev)
  226 {
  227         struct awi_pccard_softc *psc = device_get_softc(dev);
  228         struct awi_softc *sc = &psc->sc_awi;
  229 
  230         awi_shutdown(sc);
  231 }
  232 
  233 static int
  234 awi_pccard_enable(struct awi_softc *sc)
  235 {
  236         device_t dev = sc->sc_dev;
  237         struct awi_pccard_softc *psc = device_get_softc(dev);
  238         int error;
  239 
  240         if (psc->sc_intrhand == 0) {
  241                 error = bus_setup_intr(dev, psc->sc_irq_res, INTR_TYPE_NET,
  242                     NULL, (void (*)(void *))awi_intr, sc, &psc->sc_intrhand);
  243                 if (error) {
  244                         device_printf(dev,
  245                             "couldn't establish interrupt error=%d\n", error);
  246                         return error;
  247                 }
  248         }
  249         return 0;
  250 }
  251 
  252 static void
  253 awi_pccard_disable(struct awi_softc *sc)
  254 {
  255         device_t dev = sc->sc_dev;
  256         struct awi_pccard_softc *psc = device_get_softc(dev);
  257 
  258         if (psc->sc_intrhand) {
  259                 bus_teardown_intr(dev, psc->sc_irq_res, psc->sc_intrhand);
  260                 psc->sc_intrhand = 0;
  261         }
  262 }
  263 
  264 static device_method_t awi_pccard_methods[] = {
  265         /* Device interface */
  266         DEVMETHOD(device_probe,         awi_pccard_probe),
  267         DEVMETHOD(device_attach,        awi_pccard_attach),
  268         DEVMETHOD(device_detach,        awi_pccard_detach),
  269         DEVMETHOD(device_shutdown,      awi_pccard_shutdown),
  270 
  271         { 0, 0 }
  272 };
  273 
  274 static driver_t awi_pccard_driver = {
  275         "awi",
  276         awi_pccard_methods,
  277         sizeof(struct awi_pccard_softc),
  278 };
  279 
  280 extern devclass_t awi_devclass;
  281 
  282 DRIVER_MODULE(awi, pccard, awi_pccard_driver, awi_devclass, 0, 0);
  283 MODULE_DEPEND(awi, wlan, 1, 1, 1);

Cache object: 9035552491a81db0f640803d5b061c08

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FreeBSD/Linux Kernel Cross Reference sys/dev/awi/if_awi_pccard.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/awi/if_awi_pccard.c