if_ne_isa.c revision 1.6
1 /* $NetBSD: if_ne_isa.c,v 1.6 1998/07/05 06:49:13 jonathan Exp $ */ 2 3 /*- 4 * Copyright (c) 1997 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 * 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 #include "opt_inet.h" 41 #include "opt_ns.h" 42 #include "bpfilter.h" 43 44 #include <sys/param.h> 45 #include <sys/systm.h> 46 #include <sys/mbuf.h> 47 #include <sys/socket.h> 48 #include <sys/ioctl.h> 49 #include <sys/errno.h> 50 #include <sys/syslog.h> 51 #include <sys/select.h> 52 #include <sys/device.h> 53 54 #include <net/if.h> 55 #include <net/if_dl.h> 56 #include <net/if_ether.h> 57 #include <net/if_media.h> 58 59 #ifdef INET 60 #include <netinet/in.h> 61 #include <netinet/in_systm.h> 62 #include <netinet/in_var.h> 63 #include <netinet/ip.h> 64 #include <netinet/if_inarp.h> 65 #endif 66 67 #ifdef NS 68 #include <netns/ns.h> 69 #include <netns/ns_if.h> 70 #endif 71 72 #if NBPFILTER > 0 73 #include <net/bpf.h> 74 #include <net/bpfdesc.h> 75 #endif 76 77 #include <machine/intr.h> 78 #include <machine/bus.h> 79 80 #include <dev/ic/dp8390reg.h> 81 #include <dev/ic/dp8390var.h> 82 83 #include <dev/ic/ne2000reg.h> 84 #include <dev/ic/ne2000var.h> 85 86 #include <dev/isa/isavar.h> 87 88 int ne_isa_match __P((struct device *, struct cfdata *, void *)); 89 void ne_isa_attach __P((struct device *, struct device *, void *)); 90 91 struct ne_isa_softc { 92 struct ne2000_softc sc_ne2000; /* real "ne2000" softc */ 93 94 /* ISA-specific goo. */ 95 void *sc_ih; /* interrupt cookie */ 96 }; 97 98 struct cfattach ne_isa_ca = { 99 sizeof(struct ne_isa_softc), ne_isa_match, ne_isa_attach 100 }; 101 102 int 103 ne_isa_match(parent, match, aux) 104 struct device *parent; 105 struct cfdata *match; 106 void *aux; 107 { 108 struct isa_attach_args *ia = aux; 109 bus_space_tag_t nict = ia->ia_iot; 110 bus_space_handle_t nich; 111 bus_space_tag_t asict; 112 bus_space_handle_t asich; 113 int rv = 0; 114 115 /* Disallow wildcarded values. */ 116 if (ia->ia_irq == ISACF_IRQ_DEFAULT) 117 return (0); 118 if (ia->ia_iobase == ISACF_PORT_DEFAULT) 119 return (0); 120 121 /* Make sure this is a valid NE[12]000 i/o address. */ 122 if ((ia->ia_iobase & 0x1f) != 0) 123 return (0); 124 125 /* Map i/o space. */ 126 if (bus_space_map(nict, ia->ia_iobase, NE2000_NPORTS, 0, &nich)) 127 return (0); 128 129 asict = nict; 130 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 131 NE2000_ASIC_NPORTS, &asich)) 132 goto out; 133 134 /* Look for an NE2000-compatible card. */ 135 rv = ne2000_detect(nict, nich, asict, asich); 136 137 if (rv) 138 ia->ia_iosize = NE2000_NPORTS; 139 140 out: 141 bus_space_unmap(nict, nich, NE2000_NPORTS); 142 return (rv); 143 } 144 145 void 146 ne_isa_attach(parent, self, aux) 147 struct device *parent, *self; 148 void *aux; 149 { 150 struct ne_isa_softc *isc = (struct ne_isa_softc *)self; 151 struct ne2000_softc *nsc = &isc->sc_ne2000; 152 struct dp8390_softc *dsc = &nsc->sc_dp8390; 153 struct isa_attach_args *ia = aux; 154 bus_space_tag_t nict = ia->ia_iot; 155 bus_space_handle_t nich; 156 bus_space_tag_t asict = nict; 157 bus_space_handle_t asich; 158 const char *typestr; 159 160 printf("\n"); 161 162 /* Map i/o space. */ 163 if (bus_space_map(nict, ia->ia_iobase, NE2000_NPORTS, 0, &nich)) { 164 printf("%s: can't map i/o space\n", dsc->sc_dev.dv_xname); 165 return; 166 } 167 168 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 169 NE2000_ASIC_NPORTS, &asich)) { 170 printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname); 171 return; 172 } 173 174 dsc->sc_regt = nict; 175 dsc->sc_regh = nich; 176 177 nsc->sc_asict = asict; 178 nsc->sc_asich = asich; 179 180 /* 181 * Detect it again, so we can print some information about the 182 * interface. 183 */ 184 switch (ne2000_detect(nict, nich, asict, asich)) { 185 case NE2000_TYPE_NE1000: 186 typestr = "NE1000"; 187 break; 188 189 case NE2000_TYPE_NE2000: 190 typestr = "NE2000"; 191 break; 192 193 default: 194 printf("%s: where did the card go?!\n", dsc->sc_dev.dv_xname); 195 return; 196 } 197 198 printf("%s: %s Ethernet\n", dsc->sc_dev.dv_xname, typestr); 199 200 /* This interface is always enabled. */ 201 dsc->sc_enabled = 1; 202 203 /* 204 * Do generic NE2000 attach. This will read the station address 205 * from the EEPROM. 206 */ 207 ne2000_attach(nsc, NULL); 208 209 /* Establish the interrupt handler. */ 210 isc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, 211 IPL_NET, dp8390_intr, dsc); 212 if (isc->sc_ih == NULL) 213 printf("%s: couldn't establish interrupt handler\n", 214 dsc->sc_dev.dv_xname); 215 } 216
Indexes created Fri Oct 03 02:09:57 GMT 2025