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if_ne_neptune.c revision 1.16.8.1
      1 /*	$NetBSD: if_ne_neptune.c,v 1.16.8.1 2010/11/20 00:33:46 riz Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
      9  * NASA Ames Research Center.
     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  *
     20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     30  * POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 #include <sys/cdefs.h>
     34 __KERNEL_RCSID(0, "$NetBSD: if_ne_neptune.c,v 1.16.8.1 2010/11/20 00:33:46 riz Exp $");
     35 
     36 #include "opt_inet.h"
     37 #include "opt_ns.h"
     38 #include "bpfilter.h"
     39 
     40 #include <sys/param.h>
     41 #include <sys/systm.h>
     42 #include <sys/mbuf.h>
     43 #include <sys/socket.h>
     44 #include <sys/ioctl.h>
     45 #include <sys/errno.h>
     46 #include <sys/syslog.h>
     47 #include <sys/select.h>
     48 #include <sys/device.h>
     49 
     50 #include <net/if.h>
     51 #include <net/if_dl.h>
     52 #include <net/if_ether.h>
     53 #include <net/if_media.h>
     54 
     55 #ifdef INET
     56 #include <netinet/in.h>
     57 #include <netinet/in_systm.h>
     58 #include <netinet/in_var.h>
     59 #include <netinet/ip.h>
     60 #include <netinet/if_inarp.h>
     61 #endif
     62 
     63 #ifdef NS
     64 #include <netns/ns.h>
     65 #include <netns/ns_if.h>
     66 #endif
     67 
     68 #if NBPFILTER > 0
     69 #include <net/bpf.h>
     70 #include <net/bpfdesc.h>
     71 #endif
     72 
     73 #include <machine/bus.h>
     74 
     75 #include <dev/ic/dp8390reg.h>
     76 #include <dev/ic/dp8390var.h>
     77 
     78 #include <dev/ic/ne2000reg.h>
     79 #include <dev/ic/ne2000var.h>
     80 
     81 #include <arch/x68k/dev/neptunevar.h>
     82 
     83 static int ne_neptune_match(device_t, cfdata_t, void *);
     84 static void ne_neptune_attach(device_t, device_t, void *);
     85 static int ne_neptune_intr(void *);
     86 
     87 #define ne_neptune_softc ne2000_softc
     88 
     89 CFATTACH_DECL_NEW(ne_neptune, sizeof(struct ne_neptune_softc),
     90     ne_neptune_match, ne_neptune_attach, NULL, NULL);
     91 
     92 int
     93 ne_neptune_match(device_t parent, cfdata_t match, void *aux)
     94 {
     95 	struct neptune_attach_args *na = aux;
     96 	bus_space_tag_t nict = na->na_bst;
     97 	bus_space_handle_t nich;
     98 	bus_space_tag_t asict;
     99 	bus_space_handle_t asich;
    100 	int rv = 0;
    101 
    102 	if (na->na_addr == NEPTUNECF_ADDR_DEFAULT)
    103 		na->na_addr = 0x300;
    104 
    105 	/* Make sure this is a valid NE[12]000 i/o address. */
    106 	if ((na->na_addr & 0x1f) != 0)
    107 		return (0);
    108 
    109 	/* Map i/o space. */
    110 	if (bus_space_map(nict, na->na_addr, NE2000_NPORTS*2, 0, &nich))
    111 		return (0);
    112 
    113 	asict = nict;
    114 	if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
    115 	    NE2000_ASIC_NPORTS*2, &asich))
    116 		goto out;
    117 
    118 	/* Look for an NE2000-compatible card. */
    119 	rv = ne2000_detect(nict, nich, asict, asich);
    120 
    121  out:
    122 	bus_space_unmap(nict, nich, NE2000_NPORTS);
    123 	return (rv);
    124 }
    125 
    126 void
    127 ne_neptune_attach(device_t parent, device_t self, void *aux)
    128 {
    129 	struct ne_neptune_softc *nsc = device_private(self);
    130 	struct dp8390_softc *dsc = &nsc->sc_dp8390;
    131 	struct neptune_attach_args *na = aux;
    132 	bus_space_tag_t nict = na->na_bst;
    133 	bus_space_handle_t nich;
    134 	bus_space_tag_t asict = nict;
    135 	bus_space_handle_t asich;
    136 	const char *typestr;
    137 	int netype;
    138 
    139 	dsc->sc_dev = self;
    140 	aprint_normal("\n");
    141 
    142 	/* Map i/o space. */
    143 	if (bus_space_map(nict, na->na_addr, NE2000_NPORTS*2, 0, &nich)) {
    144 		aprint_error_dev(self, "can't map i/o space\n");
    145 		return;
    146 	}
    147 
    148 	if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET,
    149 	    NE2000_ASIC_NPORTS*2, &asich)) {
    150 		aprint_error_dev(self, "can't subregion i/o space\n");
    151 		return;
    152 	}
    153 
    154 	dsc->sc_regt = nict;
    155 	dsc->sc_regh = nich;
    156 
    157 	nsc->sc_asict = asict;
    158 	nsc->sc_asich = asich;
    159 
    160 	/*
    161 	 * Detect it again, so we can print some information about the
    162 	 * interface.
    163 	 */
    164 	netype = ne2000_detect(nict, nich, asict, asich);
    165 	switch (netype) {
    166 	case NE2000_TYPE_NE1000:
    167 		typestr = "NE1000";
    168 		break;
    169 
    170 	case NE2000_TYPE_NE2000:
    171 		typestr = "NE2000";
    172 		break;
    173 
    174 	case NE2000_TYPE_RTL8019:
    175 		typestr = "NE2000 (RTL8019)";
    176 		break;
    177 
    178 	default:
    179 		aprint_error_dev(self, "where did the card go?!\n");
    180 		return;
    181 	}
    182 
    183 	aprint_normal_dev(self, "%s Ethernet\n", typestr);
    184 
    185 	/* This interface is always enabled. */
    186 	dsc->sc_enabled = 1;
    187 
    188 	/*
    189 	 * Do generic NE2000 attach.  This will read the station address
    190 	 * from the EEPROM.
    191 	 */
    192 	ne2000_attach(nsc, NULL);
    193 
    194 	/* Establish the interrupt handler. */
    195 	if (neptune_intr_establish(na->na_intr, "ne", ne_neptune_intr, dsc))
    196 		aprint_error_dev(self,
    197 		    "couldn't establish interrupt handler\n");
    198 }
    199 
    200 static int
    201 ne_neptune_intr(void *arg)
    202 {
    203 	spl4();			/* XXX */
    204 	return dp8390_intr(arg);
    205 }
    206