sys/dev/tc/if_fta.c

   1 /*      $NetBSD: if_fta.c,v 1.26 2009/05/12 13:21:22 cegger Exp $       */
   2
   3 /*-
   4  * Copyright (c) 1996 Matt Thomas <matt@3am-software.com>
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. The name of the author may not be used to endorse or promote products
  13  *    derived from this software without specific prior written permission
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  *
  26  * Id: if_fta.c,v 1.4 1997/03/21 13:45:45 thomas Exp
  27  *
  28  */
  29
  30 /*
  31  * DEC TurboChannel FDDI Controller; code for BSD derived operating systems
  32  *
  33  * Written by Matt Thomas
  34  *
  35  *   This module supports the DEC DEFTA TurboChannel FDDI Controller
  36  */
  37
  38 #include <sys/cdefs.h>
  39 __KERNEL_RCSID(0, "$NetBSD: if_fta.c,v 1.26 2009/05/12 13:21:22 cegger Exp $");
  40
  41 #include "opt_inet.h"
  42
  43 #include <sys/param.h>
  44 #include <sys/kernel.h>
  45 #include <sys/mbuf.h>
  46 #include <sys/protosw.h>
  47 #include <sys/socket.h>
  48 #include <sys/ioctl.h>
  49 #include <sys/errno.h>
  50 #include <sys/malloc.h>
  51 #include <sys/device.h>
  52
  53 #include <net/if.h>
  54 #include <net/if_types.h>
  55 #include <net/if_fddi.h>
  56
  57 #ifdef INET
  58 #include <netinet/in.h>
  59 #include <netinet/if_inarp.h>
  60 #endif
  61
  62 #include <dev/tc/tcvar.h>
  63 #include <dev/ic/pdqvar.h>
  64 #include <dev/ic/pdqreg.h>
  65
  66 static int
  67 pdq_tc_match(
  68     device_t parent,
  69     cfdata_t match,
  70     void *aux)
  71 {
  72     struct tc_attach_args *ta = (struct tc_attach_args *) aux;
  73
  74     if (strncmp("PMAF-F", ta->ta_modname, 6) == 0)
  75         return 1;
  76
  77     return 0;
  78 }
  79
  80 static void
  81 pdq_tc_attach(
  82     device_t  const parent,
  83     device_t  const self,
  84     void *const aux)
  85 {
  86     pdq_softc_t * const sc = device_private(self);
  87     struct tc_attach_args * const ta = (struct tc_attach_args *) aux;
  88
  89     /*
  90      * NOTE: sc_bc is an alias for sc_csrtag and sc_membase is an
  91      * alias for sc_csrhandle.  sc_iobase is not used in this front-end.
  92      */
  93     sc->sc_dmatag = ta->ta_dmat;
  94     sc->sc_csrtag = ta->ta_memt;
  95     memcpy(sc->sc_if.if_xname, device_xname(&sc->sc_dev), IFNAMSIZ);
  96     sc->sc_if.if_flags = 0;
  97     sc->sc_if.if_softc = sc;
  98
  99     if (bus_space_map(sc->sc_csrtag, ta->ta_addr + PDQ_TC_CSR_OFFSET,
 100                       PDQ_TC_CSR_SPACE, 0, &sc->sc_membase)) {
 101         aprint_normal("\n");
 102         aprint_error_dev(&sc->sc_dev, "can't map card memory!\n");
 103         return;
 104     }
 105
 106     sc->sc_pdq = pdq_initialize(sc->sc_csrtag, sc->sc_membase,
 107                                 sc->sc_if.if_xname, 0,
 108                                 (void *) sc, PDQ_DEFTA);
 109     if (sc->sc_pdq == NULL) {
 110         aprint_error_dev(&sc->sc_dev, "initialization failed\n");
 111         return;
 112     }
 113
 114     pdq_ifattach(sc, NULL);
 115
 116     tc_intr_establish(parent, ta->ta_cookie, TC_IPL_NET,
 117                       (int (*)(void *)) pdq_interrupt, sc->sc_pdq);
 118
 119     sc->sc_ats = shutdownhook_establish((void (*)(void *)) pdq_hwreset, sc->sc_pdq);
 120     if (sc->sc_ats == NULL)
 121         aprint_error_dev(self, "warning: couldn't establish shutdown hook\n");
 122 }
 123
 124 CFATTACH_DECL(fta, sizeof(pdq_softc_t),
 125     pdq_tc_match, pdq_tc_attach, NULL, NULL);