sys/arch/x68k/dev/if_ne_intio.c

   1 /*      $NetBSD: if_ne_intio.c,v 1.13 2009/01/18 04:48:53 isaki Exp $   */
   2
   3 /*
   4  * Copyright (c) 2001 Tetsuya Isaki. All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. The name of the author may not be used to endorse or promote products
  15  *    derived from this software without specific prior written permission
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  22  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  24  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  25  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  29
  30 /*
  31  * Ethernet part of Nereid Ethernet/USB/Memory board
  32  */
  33
  34 #include <sys/cdefs.h>
  35 __KERNEL_RCSID(0, "$NetBSD: if_ne_intio.c,v 1.13 2009/01/18 04:48:53 isaki Exp $");
  36
  37 #include "opt_inet.h"
  38 #include "opt_ns.h"
  39 #include "bpfilter.h"
  40
  41 #include <sys/param.h>
  42 #include <sys/systm.h>
  43 #include <sys/mbuf.h>
  44 #include <sys/socket.h>
  45 #include <sys/select.h>
  46 #include <sys/device.h>
  47
  48 #include <net/if.h>
  49 #include <net/if_dl.h>
  50 #include <net/if_ether.h>
  51 #include <net/if_media.h>
  52
  53 #ifdef INET
  54 #include <netinet/in.h>
  55 #include <netinet/in_systm.h>
  56 #include <netinet/in_var.h>
  57 #include <netinet/ip.h>
  58 #include <netinet/if_inarp.h>
  59 #endif
  60
  61 #ifdef NS
  62 #include <netns/ns.h>
  63 #include <netns/ns_if.h>
  64 #endif
  65
  66 #if BPFILTER > 0
  67 #include <net/bpf.h>
  68 #include <net/bpfdesc.h>
  69 #endif
  70
  71 #include <machine/bus.h>
  72 #include <machine/cpu.h>
  73
  74 #include <dev/ic/dp8390reg.h>
  75 #include <dev/ic/dp8390var.h>
  76 #include <dev/ic/ne2000reg.h>
  77 #include <dev/ic/ne2000var.h>
  78 #include <dev/ic/rtl80x9reg.h>
  79 #include <dev/ic/rtl80x9var.h>
  80
  81 #include <arch/x68k/dev/intiovar.h>
  82
  83 #define NE_INTIO_ADDR  (0xece300)
  84 #define NE_INTIO_ADDR2 (0xeceb00)
  85 #define NE_INTIO_INTR  (0xf9)
  86 #define NE_INTIO_INTR2 (0xf8)
  87
  88 static int  ne_intio_match(device_t, cfdata_t, void *);
  89 static void ne_intio_attach(device_t, device_t, void *);
  90
  91 #define ne_intio_softc ne2000_softc
  92
  93 CFATTACH_DECL_NEW(ne_intio, sizeof(struct ne_intio_softc),
  94     ne_intio_match, ne_intio_attach, NULL, NULL);
  95
  96 static int
  97 ne_intio_match(device_t parent, cfdata_t cf, void *aux)
  98 {
  99         struct intio_attach_args *ia = aux;
 100         bus_space_tag_t iot = ia->ia_bst;
 101         bus_space_handle_t ioh;
 102         bus_space_tag_t asict;
 103         bus_space_handle_t asich;
 104         int rv = 0;
 105
 106         if (ia->ia_addr == INTIOCF_ADDR_DEFAULT)
 107                 ia->ia_addr = NE_INTIO_ADDR;
 108         if (ia->ia_intr == INTIOCF_INTR_DEFAULT)
 109                 ia->ia_intr = NE_INTIO_INTR;
 110
 111         /* fixed parameters */
 112         if (!(ia->ia_addr == NE_INTIO_ADDR  && ia->ia_intr == NE_INTIO_INTR ) &&
 113             !(ia->ia_addr == NE_INTIO_ADDR2 && ia->ia_intr == NE_INTIO_INTR2)  )
 114                 return 0;
 115
 116         /* Make sure this is a valid NE2000 I/O address */
 117         if ((ia->ia_addr & 0x1f) != 0)
 118                 return 0;
 119
 120         /* Check whether the board is inserted or not */
 121         if (badaddr((void *)IIOV(ia->ia_addr)))
 122                 return 0;
 123
 124         /* Map I/O space */
 125         if (bus_space_map(iot, ia->ia_addr, NE2000_NPORTS*2,
 126                         BUS_SPACE_MAP_SHIFTED_EVEN, &ioh))
 127                 return 0;
 128
 129         asict = iot;
 130         if (bus_space_subregion(iot, ioh, NE2000_ASIC_OFFSET*2,
 131                         NE2000_ASIC_NPORTS*2, &asich))
 132                 goto out;
 133
 134         /* Look for an NE2000 compatible card */
 135         rv = ne2000_detect(iot, ioh, asict, asich);
 136
 137  out:
 138         bus_space_unmap(iot, ioh, NE2000_NPORTS);
 139         return (rv != 0) ? 1 : 0;
 140 }
 141
 142 static void
 143 ne_intio_attach(device_t parent, device_t self, void *aux)
 144 {
 145         struct ne_intio_softc *sc = device_private(self);
 146         struct dp8390_softc *dsc = &sc->sc_dp8390;
 147         struct intio_attach_args *ia = aux;
 148         bus_space_tag_t iot = ia->ia_bst;
 149         bus_space_handle_t ioh;
 150         bus_space_tag_t asict;
 151         bus_space_handle_t asich;
 152         const char *typestr;
 153         int netype;
 154
 155         dsc->sc_dev = self;
 156         aprint_normal(": Nereid Ethernet\n");
 157
 158         /* Map I/O space */
 159         if (bus_space_map(iot, ia->ia_addr, NE2000_NPORTS*2,
 160                         BUS_SPACE_MAP_SHIFTED_EVEN, &ioh)){
 161                 aprint_error_dev(self, "can't map I/O space\n");
 162                 return;
 163         }
 164
 165         asict = iot;
 166         if (bus_space_subregion(iot, ioh, NE2000_ASIC_OFFSET*2,
 167                         NE2000_ASIC_NPORTS*2, &asich)) {
 168                 aprint_error_dev(self, "can't subregion I/O space\n");
 169                 return;
 170         }
 171
 172         dsc->sc_regt = iot;
 173         dsc->sc_regh = ioh;
 174
 175         sc->sc_asict = asict;
 176         sc->sc_asich = asich;
 177
 178         /*
 179          * detect it again, so we can print some information about
 180          * the interface.
 181          * XXX: Should I check NE1000 or NE2000 for Nereid?
 182          */
 183         netype = ne2000_detect(iot, ioh, asict, asich);
 184         switch (netype) {
 185         case NE2000_TYPE_NE1000:
 186                 typestr = "NE1000";
 187                 break;
 188
 189         case NE2000_TYPE_NE2000:
 190                 typestr = "NE2000";
 191                 /*
 192                  * Check for a Realtek 8019.
 193                  */
 194                 bus_space_write_1(iot, ioh, ED_P0_CR,
 195                         ED_CR_PAGE_0 | ED_CR_STP);
 196                 if (bus_space_read_1(iot, ioh, NERTL_RTL0_8019ID0) ==
 197                       RTL0_8019ID0 &&
 198                       bus_space_read_1(iot, ioh, NERTL_RTL0_8019ID1) ==
 199                       RTL0_8019ID1) {
 200                         typestr = "NE2000 (RTL8019)";
 201                         dsc->sc_mediachange = rtl80x9_mediachange;
 202                         dsc->sc_mediastatus = rtl80x9_mediastatus;
 203                         dsc->init_card      = rtl80x9_init_card;
 204                         dsc->sc_media_init  = rtl80x9_media_init;
 205                 }
 206                 break;
 207
 208         default:
 209                 aprint_error_dev(self, "where did the card go?!\n");
 210                 return;
 211         }
 212
 213         aprint_normal_dev(self, "%s Ethernet\n", typestr);
 214
 215         /* This interface is always enabled */
 216         dsc->sc_enabled = 1;
 217
 218         /*
 219          * Do generic NE2000 attach.
 220          * This will read the mac address from the EEPROM.
 221          */
 222         ne2000_attach(sc, NULL);
 223
 224         /* Establish the interrupt handler */
 225         if (intio_intr_establish(ia->ia_intr, "ne", dp8390_intr, dsc))
 226                 aprint_error_dev(self,
 227                     "couldn't establish interrupt handler\n");
 228 }