root/dev/cardbus/if_fxp_cardbus.c

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DEFINITIONS

This source file includes following definitions.
  1. fxp_cardbus_match
  2. fxp_cardbus_attach
  3. fxp_cardbus_setup
  4. fxp_detach
  5. fxp_cardbus_detach

    1 /*      $OpenBSD: if_fxp_cardbus.c,v 1.20 2007/05/08 20:43:07 deraadt Exp $ */
    2 /*      $NetBSD: if_fxp_cardbus.c,v 1.12 2000/05/08 18:23:36 thorpej Exp $      */
    3 
    4 /*
    5  * Copyright (c) 1999 The NetBSD Foundation, Inc.
    6  * All rights reserved.
    7  *
    8  * This code is derived from software contributed to The NetBSD Foundation
    9  * by Johan Danielsson.
   10  *
   11  * Redistribution and use in source and binary forms, with or without
   12  * modification, are permitted provided that the following conditions
   13  * are met:
   14  * 1. Redistributions of source code must retain the above copyright
   15  *    notice, this list of conditions and the following disclaimer.
   16  * 2. Redistributions in binary form must reproduce the above copyright
   17  *    notice, this list of conditions and the following disclaimer in the
   18  *    documentation and/or other materials provided with the distribution.
   19  * 3. All advertising materials mentioning features or use of this software
   20  *    must display the following acknowledgement:
   21  *      This product includes software developed by the NetBSD
   22  *      Foundation, Inc. and its contributors.
   23  * 4. Neither the name of The NetBSD Foundation nor the names of its
   24  *    contributors may be used to endorse or promote products derived
   25  *    from this software without specific prior written permission.
   26  *
   27  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   37  * POSSIBILITY OF SUCH DAMAGE.
   38  */
   39 
   40 /*
   41  * CardBus front-end for the Intel i8255x family of Ethernet chips.
   42  */
   43 
   44 #include "bpfilter.h"
   45 
   46 #include <sys/param.h>
   47 #include <sys/systm.h>
   48 #include <sys/mbuf.h>
   49 #include <sys/socket.h>
   50 #include <sys/ioctl.h>
   51 #include <sys/errno.h>
   52 #include <sys/malloc.h>
   53 #include <sys/kernel.h>
   54 #include <sys/timeout.h>
   55 #include <sys/device.h>
   56 
   57 #include <net/if.h>
   58 #include <net/if_dl.h>
   59 #include <net/if_types.h>
   60 #include <net/if_media.h>
   61 
   62 #include <machine/endian.h>
   63 
   64 #if NBPFILTER > 0
   65 #include <net/bpf.h>
   66 #endif
   67 
   68 #ifdef INET
   69 #include <netinet/in.h>
   70 #include <netinet/in_systm.h>
   71 #include <netinet/in_var.h>
   72 #include <netinet/ip.h>
   73 #include <netinet/if_ether.h>
   74 #endif
   75 
   76 #include <machine/bus.h>
   77 #include <machine/intr.h>
   78 
   79 #include <dev/mii/miivar.h>
   80 
   81 #include <dev/ic/fxpreg.h>
   82 #include <dev/ic/fxpvar.h>
   83 
   84 #include <dev/pci/pcivar.h>
   85 #include <dev/pci/pcireg.h>
   86 #include <dev/pci/pcidevs.h>
   87 
   88 #include <dev/cardbus/cardbusvar.h>
   89 
   90 int fxp_cardbus_match(struct device *, void *, void *);
   91 void fxp_cardbus_attach(struct device *, struct device *, void *);
   92 int fxp_cardbus_detach(struct device *, int);
   93 void fxp_cardbus_setup(struct fxp_softc *);
   94 
   95 struct fxp_cardbus_softc {
   96         struct fxp_softc sc;
   97         cardbus_devfunc_t ct;
   98         cardbustag_t ct_tag;
   99         pcireg_t base0_reg;
  100         pcireg_t base1_reg;
  101         bus_size_t size;
  102 };
  103 
  104 struct cfattach fxp_cardbus_ca = {
  105         sizeof(struct fxp_cardbus_softc), fxp_cardbus_match, fxp_cardbus_attach,
  106             fxp_cardbus_detach
  107 };
  108 
  109 const struct cardbus_matchid fxp_cardbus_devices[] = {
  110         { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_8255x },
  111 };
  112 
  113 #ifdef CBB_DEBUG
  114 #define DPRINTF(X) printf X
  115 #else
  116 #define DPRINTF(X)
  117 #endif
  118 
  119 int
  120 fxp_cardbus_match(struct device *parent, void *match, void *aux)
  121 {
  122         return (cardbus_matchbyid((struct cardbus_attach_args *)aux,
  123             fxp_cardbus_devices,
  124             sizeof(fxp_cardbus_devices)/sizeof(fxp_cardbus_devices[0])));
  125 }
  126 
  127 void
  128 fxp_cardbus_attach(struct device *parent, struct device *self, void *aux)
  129 {
  130         char intrstr[16];
  131         struct fxp_softc *sc = (struct fxp_softc *) self;
  132         struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) self;
  133         struct cardbus_attach_args *ca = aux;
  134         struct cardbus_softc *psc =
  135             (struct cardbus_softc *)sc->sc_dev.dv_parent;
  136         cardbus_chipset_tag_t cc = psc->sc_cc;
  137         cardbus_function_tag_t cf = psc->sc_cf;
  138         bus_space_tag_t iot, memt;
  139         bus_space_handle_t ioh, memh;
  140 
  141         bus_addr_t adr;
  142         bus_size_t size;
  143 
  144         csc->ct = ca->ca_ct;
  145 
  146         /*
  147          * Map control/status registers.
  148          */
  149         if (Cardbus_mapreg_map(csc->ct, CARDBUS_BASE1_REG,
  150             PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, &adr, &size) == 0) {
  151                 csc->base1_reg = adr | 1;
  152                 sc->sc_st = iot;
  153                 sc->sc_sh = ioh;
  154                 csc->size = size;
  155         } else if (Cardbus_mapreg_map(csc->ct, CARDBUS_BASE0_REG,
  156             PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT,
  157             0, &memt, &memh, &adr, &size) == 0) {
  158                 csc->base0_reg = adr;
  159                 sc->sc_st = memt;
  160                 sc->sc_sh = memh;
  161                 csc->size = size;
  162         } else
  163                 panic("%s: failed to allocate mem and io space", __func__);
  164 
  165         if (ca->ca_cis.cis1_info[0] && ca->ca_cis.cis1_info[1])
  166                 printf(": %s %s", ca->ca_cis.cis1_info[0],
  167                     ca->ca_cis.cis1_info[1]);
  168         else
  169                 printf("\n");
  170 
  171         sc->sc_dmat = ca->ca_dmat;
  172 #if 0
  173         sc->sc_enable = fxp_cardbus_enable;
  174         sc->sc_disable = fxp_cardbus_disable;
  175         sc->sc_enabled = 0;
  176 #endif
  177 
  178         Cardbus_function_enable(csc->ct);
  179 
  180         fxp_cardbus_setup(sc);
  181 
  182         /* Map and establish the interrupt. */
  183         sc->sc_ih = cardbus_intr_establish(cc, cf, psc->sc_intrline, IPL_NET,
  184             fxp_intr, sc, sc->sc_dev.dv_xname);
  185         if (NULL == sc->sc_ih) {
  186                 printf(": couldn't establish interrupt");
  187                 printf("at %d\n", ca->ca_intrline);
  188                 return;
  189         }
  190         snprintf(intrstr, sizeof(intrstr), "irq %d", ca->ca_intrline);
  191         
  192         sc->sc_revision = PCI_REVISION(ca->ca_class);
  193 
  194         fxp_attach(sc, intrstr);
  195 }
  196 
  197 void
  198 fxp_cardbus_setup(struct fxp_softc *sc)
  199 {
  200         struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) sc;
  201         struct cardbus_softc *psc =
  202             (struct cardbus_softc *) sc->sc_dev.dv_parent;
  203         cardbus_chipset_tag_t cc = psc->sc_cc;
  204         cardbus_function_tag_t cf = psc->sc_cf;
  205         pcireg_t command;
  206 
  207         csc->ct_tag = cardbus_make_tag(cc, cf, csc->ct->ct_bus,
  208             csc->ct->ct_dev, csc->ct->ct_func);
  209 
  210         command = cardbus_conf_read(cc, cf, csc->ct_tag, CARDBUS_COMMAND_STATUS_REG);
  211         if (csc->base0_reg) {
  212                 cardbus_conf_write(cc, cf, csc->ct_tag, CARDBUS_BASE0_REG, csc->base0_reg);
  213                 (cf->cardbus_ctrl) (cc, CARDBUS_MEM_ENABLE);
  214                 command |= CARDBUS_COMMAND_MEM_ENABLE |
  215                     CARDBUS_COMMAND_MASTER_ENABLE;
  216         } else if (csc->base1_reg) {
  217                 cardbus_conf_write(cc, cf, csc->ct_tag, CARDBUS_BASE1_REG, csc->base1_reg);
  218                 (cf->cardbus_ctrl) (cc, CARDBUS_IO_ENABLE);
  219                 command |= (CARDBUS_COMMAND_IO_ENABLE |
  220                     CARDBUS_COMMAND_MASTER_ENABLE);
  221         }
  222 
  223         (cf->cardbus_ctrl) (cc, CARDBUS_BM_ENABLE);
  224 
  225         /* enable the card */
  226         cardbus_conf_write(cc, cf, csc->ct_tag, CARDBUS_COMMAND_STATUS_REG, command);
  227 }
  228 
  229 int fxp_detach(struct fxp_softc *);
  230 
  231 int
  232 fxp_detach(struct fxp_softc *sc)
  233 {
  234         struct ifnet *ifp = &sc->sc_arpcom.ac_if;
  235 
  236         /* Unhook our tick handler. */
  237         timeout_del(&sc->stats_update_to);
  238 
  239         /* Detach any PHYs we might have. */
  240         if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL)
  241                 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY);
  242 
  243         /* Delete any remaining media. */
  244         ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY);
  245 
  246         ether_ifdetach(ifp);
  247         if_detach(ifp);
  248 
  249         if (sc->sc_sdhook != NULL)
  250                 shutdownhook_disestablish(sc->sc_sdhook);
  251         if (sc->sc_powerhook != NULL)
  252                 powerhook_disestablish(sc->sc_powerhook);
  253 
  254         return (0);
  255 }
  256 
  257 int
  258 fxp_cardbus_detach(struct device *self, int flags)
  259 {
  260         struct fxp_softc *sc = (struct fxp_softc *) self;
  261         struct fxp_cardbus_softc *csc = (struct fxp_cardbus_softc *) self;
  262         struct cardbus_devfunc *ct = csc->ct;
  263         int rv, reg;
  264 
  265 #ifdef DIAGNOSTIC
  266         if (ct == NULL)
  267                 panic("%s: data structure lacks", sc->sc_dev.dv_xname);
  268 #endif
  269 
  270         rv = fxp_detach(sc);
  271         if (rv == 0) {
  272                 /*
  273                  * Unhook the interrupt handler.
  274                  */
  275                 cardbus_intr_disestablish(ct->ct_cc, ct->ct_cf, sc->sc_ih);
  276 
  277                 /*
  278                  * release bus space and close window
  279                  */
  280                 if (csc->base0_reg)
  281                         reg = CARDBUS_BASE0_REG;
  282                 else
  283                         reg = CARDBUS_BASE1_REG;
  284                 Cardbus_mapreg_unmap(ct, reg, sc->sc_st, sc->sc_sh, csc->size);
  285         }
  286         return (rv);
  287 }

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