sys/dev/pcmcia/if_mbe_pcmcia.c

   1 /*      $NetBSD: if_mbe_pcmcia.c,v 1.45 2008/04/28 20:23:56 martin Exp $        */
   2
   3 /*-
   4  * Copyright (c) 1998, 2000, 2004 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Enami Tsugutomo.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <sys/cdefs.h>
  33 __KERNEL_RCSID(0, "$NetBSD: if_mbe_pcmcia.c,v 1.45 2008/04/28 20:23:56 martin Exp $");
  34
  35 #include <sys/param.h>
  36 #include <sys/systm.h>
  37 #include <sys/device.h>
  38 #include <sys/socket.h>
  39
  40 #include <net/if.h>
  41 #include <net/if_ether.h>
  42 #include <net/if_media.h>
  43
  44 #include <sys/intr.h>
  45 #include <sys/bus.h>
  46
  47 #include <dev/ic/mb86960reg.h>
  48 #include <dev/ic/mb86960var.h>
  49
  50 #include <dev/pcmcia/pcmciareg.h>
  51 #include <dev/pcmcia/pcmciavar.h>
  52 #include <dev/pcmcia/pcmciadevs.h>
  53
  54 int     mbe_pcmcia_match(device_t, cfdata_t, void *);
  55 int     mbe_pcmcia_validate_config(struct pcmcia_config_entry *);
  56 void    mbe_pcmcia_attach(device_t, device_t, void *);
  57 int     mbe_pcmcia_detach(device_t, int);
  58
  59 struct mbe_pcmcia_softc {
  60         struct  mb86960_softc sc_mb86960;       /* real "mb" softc */
  61
  62         struct  pcmcia_function *sc_pf;         /* our PCMCIA function */
  63         void    *sc_ih;                         /* interrupt cookie */
  64
  65         int     sc_state;
  66 #define MBE_PCMCIA_ATTACHED     3
  67 };
  68
  69 CFATTACH_DECL_NEW(mbe_pcmcia, sizeof(struct mbe_pcmcia_softc),
  70     mbe_pcmcia_match, mbe_pcmcia_attach, mbe_pcmcia_detach, mb86960_activate);
  71
  72 int     mbe_pcmcia_enable(struct mb86960_softc *);
  73 void    mbe_pcmcia_disable(struct mb86960_softc *);
  74
  75 struct mbe_pcmcia_get_enaddr_args {
  76         uint8_t enaddr[ETHER_ADDR_LEN];
  77         int maddr;
  78 };
  79 int     mbe_pcmcia_get_enaddr_from_cis(struct pcmcia_tuple *, void *);
  80 int     mbe_pcmcia_get_enaddr_from_mem(struct mbe_pcmcia_softc *,
  81             struct mbe_pcmcia_get_enaddr_args *);
  82 int     mbe_pcmcia_get_enaddr_from_io(struct mbe_pcmcia_softc *,
  83             struct mbe_pcmcia_get_enaddr_args *);
  84
  85 static const struct mbe_pcmcia_product {
  86         struct pcmcia_product mpp_product;
  87         int             mpp_enet_maddr;
  88         int             mpp_flags;
  89 #define MBH10302        0x0001                  /* FUJITSU MBH10302 */
  90 } mbe_pcmcia_products[] = {
  91         { { PCMCIA_VENDOR_TDK, PCMCIA_PRODUCT_TDK_LAK_CD021BX,
  92             PCMCIA_CIS_TDK_LAK_CD021BX },
  93           -1, 0 },
  94
  95         { { PCMCIA_VENDOR_TDK, PCMCIA_PRODUCT_TDK_LAK_CF010,
  96             PCMCIA_CIS_TDK_LAK_CF010 },
  97           -1, 0 },
  98
  99 #if 0 /* XXX 86960-based? */
 100         { { PCMCIA_VENDOR_TDK, PCMCIA_PRODUCT_TDK_LAK_DFL9610,
 101             PCMCIA_CIS_TDK_DFL9610 },
 102           -1, MBH10302 /* XXX */ },
 103 #endif
 104
 105         { { PCMCIA_VENDOR_CONTEC, PCMCIA_PRODUCT_CONTEC_CNETPC,
 106             PCMCIA_CIS_CONTEC_CNETPC },
 107           -1, 0 },
 108
 109         { { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_LA501,
 110             PCMCIA_CIS_FUJITSU_LA501 },
 111           -1, 0 },
 112
 113         { { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_FMV_J181,
 114             PCMCIA_CIS_FUJITSU_FMV_J181 },
 115           -1, MBH10302 },
 116
 117         { { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_FMV_J182,
 118             PCMCIA_CIS_FUJITSU_FMV_J182 },
 119           0xf2c, 0 },
 120
 121         { { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_FMV_J182A,
 122             PCMCIA_CIS_FUJITSU_FMV_J182A },
 123           0x1cc, 0 },
 124
 125         { { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_ITCFJ182A,
 126             PCMCIA_CIS_FUJITSU_ITCFJ182A },
 127           0x1cc, 0 },
 128
 129         { { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_LA10S,
 130             PCMCIA_CIS_FUJITSU_LA10S },
 131           -1, 0 },
 132
 133         { { PCMCIA_VENDOR_RATOC, PCMCIA_PRODUCT_RATOC_REX_R280,
 134             PCMCIA_CIS_RATOC_REX_R280 },
 135           0x1fc, 0 },
 136 };
 137 static const size_t mbe_pcmcia_nproducts = __arraycount(mbe_pcmcia_products);
 138
 139 int
 140 mbe_pcmcia_match(device_t parent, cfdata_t cf, void *aux)
 141 {
 142         struct pcmcia_attach_args *pa = aux;
 143
 144         if (pcmcia_product_lookup(pa, mbe_pcmcia_products, mbe_pcmcia_nproducts,
 145             sizeof(mbe_pcmcia_products[0]), NULL))
 146                 return 1;
 147         return 0;
 148 }
 149
 150 int
 151 mbe_pcmcia_validate_config(struct pcmcia_config_entry *cfe)
 152 {
 153
 154         if (cfe->iftype != PCMCIA_IFTYPE_IO ||
 155             cfe->num_iospace < 1)
 156                 return EINVAL;
 157         return 0;
 158 }
 159
 160 void
 161 mbe_pcmcia_attach(device_t parent, device_t self, void *aux)
 162 {
 163         struct mbe_pcmcia_softc *psc = device_private(self);
 164         struct mb86960_softc *sc = &psc->sc_mb86960;
 165         struct pcmcia_attach_args *pa = aux;
 166         struct pcmcia_config_entry *cfe;
 167         struct mbe_pcmcia_get_enaddr_args pgea;
 168         const struct mbe_pcmcia_product *mpp;
 169         int error;
 170
 171         sc->sc_dev = self;
 172         psc->sc_pf = pa->pf;
 173
 174         error = pcmcia_function_configure(pa->pf, mbe_pcmcia_validate_config);
 175         if (error) {
 176                 aprint_error_dev(self, "configure failed, error=%d\n",
 177                     error);
 178                 return;
 179         }
 180
 181         cfe = pa->pf->cfe;
 182         sc->sc_bst = cfe->iospace[0].handle.iot;
 183         sc->sc_bsh = cfe->iospace[0].handle.ioh;
 184
 185         mpp = pcmcia_product_lookup(pa, mbe_pcmcia_products,
 186             mbe_pcmcia_nproducts, sizeof(mbe_pcmcia_products[0]), NULL);
 187         if (!mpp)
 188                 panic("%s: impossible", __func__);
 189
 190         /* Read station address from io/mem or CIS. */
 191         if (mpp->mpp_enet_maddr >= 0) {
 192                 pgea.maddr = mpp->mpp_enet_maddr;
 193                 if (mbe_pcmcia_get_enaddr_from_mem(psc, &pgea) != 0) {
 194                         aprint_error_dev(self, "couldn't get ethernet address "
 195                             "from memory\n");
 196                         goto fail;
 197                 }
 198         } else if (mpp->mpp_flags & MBH10302) {
 199                 bus_space_write_1(sc->sc_bst, sc->sc_bsh, FE_MBH0 ,
 200                                   FE_MBH0_MASK | FE_MBH0_INTR_ENABLE);
 201                 if (mbe_pcmcia_get_enaddr_from_io(psc, &pgea) != 0) {
 202                         aprint_error_dev(self,
 203                             "couldn't get ethernet address from i/o\n");
 204                         goto fail;
 205                 }
 206         } else {
 207                 if (pa->pf->pf_funce_lan_nidlen != ETHER_ADDR_LEN) {
 208                         aprint_error_dev(self,
 209                             "couldn't get ethernet address from CIS\n");
 210                         goto fail;
 211                 }
 212                 memcpy(pgea.enaddr, pa->pf->pf_funce_lan_nid, ETHER_ADDR_LEN);
 213         }
 214
 215         /* Perform generic initialization. */
 216         if (mpp->mpp_flags & MBH10302)
 217                 sc->sc_flags |= FE_FLAGS_MB86960;
 218
 219         sc->sc_enable = mbe_pcmcia_enable;
 220         sc->sc_disable = mbe_pcmcia_disable;
 221
 222         error = mbe_pcmcia_enable(sc);
 223         if (error)
 224                 goto fail;
 225
 226         mb86960_attach(sc, pgea.enaddr);
 227         mb86960_config(sc, NULL, 0, 0);
 228
 229         mbe_pcmcia_disable(sc);
 230         psc->sc_state = MBE_PCMCIA_ATTACHED;
 231         return;
 232
 233 fail:
 234         pcmcia_function_unconfigure(pa->pf);
 235 }
 236
 237 int
 238 mbe_pcmcia_detach(device_t self, int flags)
 239 {
 240         struct mbe_pcmcia_softc *psc = device_private(self);
 241         int error;
 242
 243         if (psc->sc_state != MBE_PCMCIA_ATTACHED)
 244                 return 0;
 245
 246         error = mb86960_detach(&psc->sc_mb86960);
 247         if (error)
 248                 return error;
 249
 250         pcmcia_function_unconfigure(psc->sc_pf);
 251
 252         return 0;
 253 }
 254
 255 int
 256 mbe_pcmcia_enable(struct mb86960_softc *sc)
 257 {
 258         struct mbe_pcmcia_softc *psc = (struct mbe_pcmcia_softc *)sc;
 259         int error;
 260
 261         /* Establish the interrupt handler. */
 262         psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, mb86960_intr,
 263             sc);
 264         if (!psc->sc_ih)
 265                 return EIO;
 266
 267         error = pcmcia_function_enable(psc->sc_pf);
 268         if (error) {
 269                 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
 270                 psc->sc_ih = 0;
 271         }
 272
 273         return error;
 274 }
 275
 276 void
 277 mbe_pcmcia_disable(struct mb86960_softc *sc)
 278 {
 279         struct mbe_pcmcia_softc *psc = (struct mbe_pcmcia_softc *)sc;
 280
 281         pcmcia_function_disable(psc->sc_pf);
 282         pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
 283         psc->sc_ih = 0;
 284 }
 285
 286 int
 287 mbe_pcmcia_get_enaddr_from_io(struct mbe_pcmcia_softc *psc,
 288     struct mbe_pcmcia_get_enaddr_args *ea)
 289 {
 290         struct mb86960_softc *sc = &psc->sc_mb86960;
 291         int i;
 292
 293         for (i = 0; i < ETHER_ADDR_LEN; i++)
 294                 ea->enaddr[i] = bus_space_read_1(sc->sc_bst, sc->sc_bsh,
 295                     FE_MBH_ENADDR + i);
 296         return 0;
 297 }
 298
 299 int
 300 mbe_pcmcia_get_enaddr_from_mem(struct mbe_pcmcia_softc *psc,
 301     struct mbe_pcmcia_get_enaddr_args *ea)
 302 {
 303         struct mb86960_softc *sc = &psc->sc_mb86960;
 304         struct pcmcia_mem_handle pcmh;
 305         bus_size_t offset;
 306         int i, mwindow, rv = 1;
 307
 308         if (ea->maddr < 0)
 309                 goto bad_memaddr;
 310
 311         if (pcmcia_mem_alloc(psc->sc_pf, ETHER_ADDR_LEN * 2, &pcmh)) {
 312                 aprint_error_dev(sc->sc_dev, "can't alloc mem for enet addr\n");
 313                 goto memalloc_failed;
 314         }
 315
 316         if (pcmcia_mem_map(psc->sc_pf, PCMCIA_MEM_ATTR, ea->maddr,
 317             ETHER_ADDR_LEN * 2, &pcmh, &offset, &mwindow)) {
 318                 aprint_error_dev(sc->sc_dev, "can't map mem for enet addr\n");
 319                 goto memmap_failed;
 320         }
 321
 322         for (i = 0; i < ETHER_ADDR_LEN; i++)
 323                 ea->enaddr[i] = bus_space_read_1(pcmh.memt, pcmh.memh,
 324                     offset + (i * 2));
 325
 326         rv = 0;
 327         pcmcia_mem_unmap(psc->sc_pf, mwindow);
 328 memmap_failed:
 329         pcmcia_mem_free(psc->sc_pf, &pcmh);
 330 memalloc_failed:
 331 bad_memaddr:
 332
 333         return rv;
 334 }