sys/dev/netif/awi/if_awi_pccard.c

   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  * $FreeBSD: src/sys/dev/awi/if_awi_pccard.c,v 1.5.2.1 2000/12/07 04:09:39 imp Exp $
  26  * $DragonFly: src/sys/dev/netif/awi/Attic/if_awi_pccard.c,v 1.17 2006/10/25 20:55:56 dillon Exp $
  27  */
  28
  29 #include <sys/param.h>
  30 #include <sys/systm.h>
  31 #include <sys/kernel.h>
  32 #include <sys/socket.h>
  33 #include <sys/module.h>
  34 #include <sys/bus.h>
  35 #include <sys/rman.h>
  36
  37 #include <net/if.h>
  38 #include <net/if_arp.h>
  39 #include <net/if_media.h>
  40 #include <net/ethernet.h>
  41 #include <netproto/802_11/ieee80211.h>
  42 #include <netproto/802_11/ieee80211_ioctl.h>
  43
  44 #include <machine/clock.h>
  45
  46 #include "am79c930reg.h"
  47 #include "am79c930var.h"
  48 #include "awireg.h"
  49 #include "awivar.h"
  50
  51 #include <bus/pccard/pccardvar.h>
  52 #include <bus/pccard/pccarddevs.h>
  53 #include "card_if.h"
  54
  55 struct awi_pccard_softc {
  56         struct awi_softc        sc_awi;
  57
  58         u_int8_t        sc_version[AWI_BANNER_LEN];
  59         int             sc_intr_mask;
  60         void            *sc_intrhand;
  61         struct resource *sc_irq_res;
  62         int             sc_irq_rid;
  63         struct resource *sc_port_res;
  64         int             sc_port_rid;
  65         struct resource *sc_mem_res;
  66         int             sc_mem_rid;
  67 };
  68
  69 static const struct pccard_product awi_pccard_products[] = {
  70         PCMCIA_CARD(AMD, AM79C930, 0),
  71         PCMCIA_CARD(BAY, STACK_650, 0),
  72         PCMCIA_CARD(BAY, STACK_660, 0),
  73         PCMCIA_CARD(BAY, SURFER_PRO, 0),
  74         PCMCIA_CARD(ICOM, SL200, 0),
  75         PCMCIA_CARD(NOKIA, C020_WLAN, 0),
  76         PCMCIA_CARD(FARALLON, SKYLINE, 0),
  77         PCMCIA_CARD(ZOOM, AIR_4000, 0),
  78         { NULL }
  79 };
  80
  81 static int awi_pccard_match(device_t);
  82 static int awi_pccard_probe(device_t);
  83 static int awi_pccard_attach(device_t);
  84 static int awi_pccard_detach(device_t);
  85
  86 static int
  87 awi_pccard_match(device_t dev)
  88 {
  89         const struct pccard_product *pp;
  90
  91         if ((pp = pccard_product_lookup(dev, awi_pccard_products,
  92             sizeof(awi_pccard_products[0]), NULL)) != NULL) {
  93                 if (pp->pp_name != NULL)
  94                         device_set_desc(dev, pp->pp_name);
  95                 return 0;
  96         }
  97         return ENXIO;
  98 }
  99
 100 /*
 101  * Initialize the device - called from Slot manager.
 102  */
 103 static int
 104 awi_pccard_probe(device_t dev)
 105 {
 106         struct awi_pccard_softc *psc = device_get_softc(dev);
 107         struct awi_softc *sc = &psc->sc_awi;
 108         int error = 0;
 109
 110         psc->sc_port_rid = 0;
 111         psc->sc_port_res = bus_alloc_resource(dev, SYS_RES_IOPORT,
 112             &psc->sc_port_rid, 0, ~0, 16, RF_ACTIVE);
 113         if (!psc->sc_port_res)
 114                 return ENOMEM;
 115
 116         sc->sc_chip.sc_iot = rman_get_bustag(psc->sc_port_res);
 117         sc->sc_chip.sc_ioh = rman_get_bushandle(psc->sc_port_res);
 118         am79c930_chip_init(&sc->sc_chip, 0);
 119         DELAY(1000);
 120
 121         awi_read_bytes(sc, AWI_BANNER, psc->sc_version, AWI_BANNER_LEN);
 122         if (memcmp(psc->sc_version, "PCnetMobile:", 12) != 0)  {
 123                 device_printf(dev, "awi_pccard_probe: bad banner: %12D\n",
 124                     psc->sc_version, " ");
 125                 error = ENXIO;
 126         } else
 127                 device_set_desc(dev, psc->sc_version);
 128         bus_release_resource(dev, SYS_RES_IOPORT, psc->sc_port_rid,
 129             psc->sc_port_res);
 130
 131         return error;
 132 }
 133
 134 static int
 135 awi_pccard_attach(device_t dev)
 136 {
 137         struct awi_pccard_softc *psc = device_get_softc(dev);
 138         struct awi_softc *sc = &psc->sc_awi;
 139         struct ifnet *ifp = &sc->sc_ec.ac_if;
 140         int error = 0;
 141
 142         psc->sc_port_res = 0;
 143         psc->sc_irq_res = 0;
 144         psc->sc_mem_res = 0;
 145         psc->sc_intrhand = 0;
 146
 147         if_initname(ifp, device_get_name(dev), device_get_unit(dev));
 148
 149         psc->sc_port_rid = 0;
 150         psc->sc_port_res = bus_alloc_resource(dev, SYS_RES_IOPORT,
 151             &psc->sc_port_rid, 0, ~0, 16, RF_ACTIVE);
 152         if (!psc->sc_port_res) {
 153                 device_printf(dev, "awi_pccard_attach: port alloc failed\n");
 154                 goto fail;
 155         }
 156         sc->sc_chip.sc_iot = rman_get_bustag(psc->sc_port_res);
 157         sc->sc_chip.sc_ioh = rman_get_bushandle(psc->sc_port_res);
 158
 159         psc->sc_irq_rid = 0;
 160         psc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
 161             &psc->sc_irq_rid, RF_ACTIVE);
 162         if (!psc->sc_irq_res) {
 163                 device_printf(dev, "awi_pccard_attach: irq alloc failed\n");
 164                 goto fail;
 165         }
 166
 167         psc->sc_mem_rid = 0;
 168 #if 1
 169         /*
 170          * XXX: awi needs to access memory with 8bit,
 171          * but pccardd apparently maps memory with MDF_16BITS flag.
 172          * So memory mapped access is disabled and use IO port instead.
 173          */
 174         psc->sc_mem_res = 0;
 175 #else
 176         psc->sc_mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY,
 177             &psc->sc_mem_rid, 0, ~0, 0x8000, RF_ACTIVE);
 178 #endif
 179         if (psc->sc_mem_res) {
 180                 sc->sc_chip.sc_memt = rman_get_bustag(psc->sc_mem_res);
 181                 sc->sc_chip.sc_memh = rman_get_bushandle(psc->sc_mem_res);
 182                 am79c930_chip_init(&sc->sc_chip, 1);
 183         } else
 184                 am79c930_chip_init(&sc->sc_chip, 0);
 185
 186         sc->sc_enabled = 1;
 187         sc->sc_ifp = &sc->sc_ec.ac_if;
 188
 189         error = awi_attach(sc);
 190         sc->sc_enabled = 0;     /*XXX*/
 191
 192         if (error) {
 193                 device_printf(dev, "awi_pccard_attach: awi_attach failed\n");
 194                 goto fail;
 195         }
 196
 197         error = bus_setup_intr(dev, psc->sc_irq_res, INTR_NETSAFE,
 198                                (void (*)(void *))awi_intr, sc,
 199                                &psc->sc_intrhand, sc->sc_ifp->if_serializer);
 200         if (error) {
 201                 device_printf(dev, "awi_pccard_attach: intr setup failed\n");
 202                 goto fail;
 203         }
 204         return 0;
 205
 206   fail:
 207         if (psc->sc_intrhand) {
 208                 bus_teardown_intr(dev, psc->sc_irq_res, psc->sc_intrhand);
 209                 psc->sc_intrhand = 0;
 210         }
 211         if (psc->sc_port_res) {
 212                 bus_release_resource(dev, SYS_RES_IOPORT, psc->sc_port_rid,
 213                     psc->sc_port_res);
 214                 psc->sc_port_res = 0;
 215         }
 216         if (psc->sc_irq_res) {
 217                 bus_release_resource(dev, SYS_RES_IRQ, psc->sc_irq_rid,
 218                     psc->sc_irq_res);
 219                 psc->sc_irq_res = 0;
 220         }
 221         if (psc->sc_mem_res) {
 222                 bus_release_resource(dev, SYS_RES_MEMORY, psc->sc_mem_rid,
 223                     psc->sc_mem_res);
 224                 psc->sc_mem_res = 0;
 225         }
 226         if (error == 0)
 227                 error = ENXIO;
 228         return error;
 229 }
 230
 231 static int
 232 awi_pccard_detach(device_t dev)
 233 {
 234         struct awi_pccard_softc *psc = device_get_softc(dev);
 235         struct awi_softc *sc = &psc->sc_awi;
 236         struct ifnet *ifp = &sc->sc_ec.ac_if;
 237
 238         lwkt_serialize_enter(ifp->if_serializer);
 239         ifp->if_flags &= ~IFF_RUNNING;
 240         if (psc->sc_intrhand) {
 241                 bus_teardown_intr(dev, psc->sc_irq_res, psc->sc_intrhand);
 242                 psc->sc_intrhand = 0;
 243         }
 244         lwkt_serialize_exit(ifp->if_serializer);
 245
 246         ether_ifdetach(ifp);
 247
 248         if (psc->sc_port_res) {
 249                 bus_release_resource(dev, SYS_RES_IOPORT, psc->sc_port_rid,
 250                     psc->sc_port_res);
 251                 psc->sc_port_res = 0;
 252         }
 253         if (psc->sc_irq_res) {
 254                 bus_release_resource(dev, SYS_RES_IRQ, psc->sc_irq_rid,
 255                     psc->sc_irq_res);
 256                 psc->sc_irq_res = 0;
 257         }
 258         if (psc->sc_mem_res) {
 259                 bus_release_resource(dev, SYS_RES_MEMORY, psc->sc_mem_rid,
 260                     psc->sc_mem_res);
 261                 psc->sc_mem_res = 0;
 262         }
 263         return 0;
 264 }
 265
 266 static device_method_t awi_pccard_methods[] = {
 267         /* Device interface */
 268         DEVMETHOD(device_probe,         pccard_compat_probe),
 269         DEVMETHOD(device_attach,        pccard_compat_attach),
 270         DEVMETHOD(device_detach,        awi_pccard_detach),
 271
 272         /* Card interface */
 273         DEVMETHOD(card_compat_match,    awi_pccard_match),
 274         DEVMETHOD(card_compat_probe,    awi_pccard_probe),
 275         DEVMETHOD(card_compat_attach,   awi_pccard_attach),
 276
 277         { 0, 0 }
 278 };
 279
 280 static driver_t awi_pccard_driver = {
 281         "awi",
 282         awi_pccard_methods,
 283         sizeof(struct awi_pccard_softc),
 284 };
 285
 286 extern devclass_t awi_devclass;
 287
 288 DRIVER_MODULE(if_awi, pccard, awi_pccard_driver, awi_devclass, 0, 0);