if_ne_isa.c revision 1.2
1 /* $NetBSD: if_ne_isa.c,v 1.2 1997/10/14 23:01:10 thorpej 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 "bpfilter.h" 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/mbuf.h> 45 #include <sys/socket.h> 46 #include <sys/ioctl.h> 47 #include <sys/errno.h> 48 #include <sys/syslog.h> 49 #include <sys/select.h> 50 #include <sys/device.h> 51 52 #include <net/if.h> 53 #include <net/if_dl.h> 54 #include <net/if_ether.h> 55 #include <net/if_media.h> 56 57 #ifdef INET 58 #include <netinet/in.h> 59 #include <netinet/in_systm.h> 60 #include <netinet/in_var.h> 61 #include <netinet/ip.h> 62 #include <netinet/if_inarp.h> 63 #endif 64 65 #ifdef NS 66 #include <netns/ns.h> 67 #include <netns/ns_if.h> 68 #endif 69 70 #if NBPFILTER > 0 71 #include <net/bpf.h> 72 #include <net/bpfdesc.h> 73 #endif 74 75 #include <machine/intr.h> 76 #include <machine/bus.h> 77 78 #include <dev/ic/dp8390reg.h> 79 #include <dev/ic/dp8390var.h> 80 81 #include <dev/ic/ne2000reg.h> 82 #include <dev/ic/ne2000var.h> 83 84 #include <dev/isa/isavar.h> 85 86 #ifdef __BROKEN_INDIRECT_CONFIG 87 int ne_isa_match __P((struct device *, void *, void *)); 88 #else 89 int ne_isa_match __P((struct device *, struct cfdata *, void *)); 90 #endif 91 void ne_isa_attach __P((struct device *, struct device *, void *)); 92 93 struct ne_isa_softc { 94 struct ne2000_softc sc_ne2000; /* real "ne2000" softc */ 95 96 /* ISA-specific goo. */ 97 void *sc_ih; /* interrupt cookie */ 98 }; 99 100 struct cfattach ne_isa_ca = { 101 sizeof(struct ne_isa_softc), ne_isa_match, ne_isa_attach 102 }; 103 104 int 105 ne_isa_match(parent, match, aux) 106 struct device *parent; 107 #ifdef __BROKEN_INDIRECT_CONFIG 108 void *match; 109 #else 110 struct cfdata *match; 111 #endif 112 void *aux; 113 { 114 struct isa_attach_args *ia = aux; 115 bus_space_tag_t nict = ia->ia_iot; 116 bus_space_handle_t nich; 117 bus_space_tag_t asict; 118 bus_space_handle_t asich; 119 int rv = 0; 120 121 /* Disallow wildcarded values. */ 122 if (ia->ia_irq == -1) 123 return (0); 124 if (ia->ia_iobase == -1) 125 return (0); 126 127 /* Make sure this is a valid NE[12]000 i/o address. */ 128 if ((ia->ia_iobase & 0x1f) != 0) 129 return (0); 130 131 /* Map i/o space. */ 132 if (bus_space_map(nict, ia->ia_iobase, NE2000_NPORTS, 0, &nich)) 133 return (0); 134 135 asict = nict; 136 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 137 NE2000_ASIC_NPORTS, &asich)) 138 goto out; 139 140 /* Look for an NE2000-compatible card. */ 141 rv = ne2000_detect(nict, nich, asict, asich); 142 143 if (rv) 144 ia->ia_iosize = NE2000_NPORTS; 145 146 out: 147 bus_space_unmap(nict, nich, NE2000_NPORTS); 148 return (rv); 149 } 150 151 void 152 ne_isa_attach(parent, self, aux) 153 struct device *parent, *self; 154 void *aux; 155 { 156 struct ne_isa_softc *isc = (struct ne_isa_softc *)self; 157 struct ne2000_softc *nsc = &isc->sc_ne2000; 158 struct dp8390_softc *dsc = &nsc->sc_dp8390; 159 struct isa_attach_args *ia = aux; 160 bus_space_tag_t nict = ia->ia_iot; 161 bus_space_handle_t nich; 162 bus_space_tag_t asict = nict; 163 bus_space_handle_t asich; 164 const char *typestr; 165 166 printf("\n"); 167 168 /* Map i/o space. */ 169 if (bus_space_map(nict, ia->ia_iobase, NE2000_NPORTS, 0, &nich)) { 170 printf("%s: can't map i/o space\n", dsc->sc_dev.dv_xname); 171 return; 172 } 173 174 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 175 NE2000_ASIC_NPORTS, &asich)) { 176 printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname); 177 return; 178 } 179 180 dsc->sc_regt = nict; 181 dsc->sc_regh = nich; 182 183 nsc->sc_asict = asict; 184 nsc->sc_asich = asich; 185 186 /* 187 * Detect it again, so we can print some information about the 188 * interface. 189 */ 190 switch (ne2000_detect(nict, nich, asict, asich)) { 191 case NE2000_TYPE_NE1000: 192 typestr = "NE1000"; 193 break; 194 195 case NE2000_TYPE_NE2000: 196 typestr = "NE2000"; 197 break; 198 199 default: 200 printf("%s: where did the card go?!\n", dsc->sc_dev.dv_xname); 201 return; 202 } 203 204 printf("%s: %s Ethernet\n", dsc->sc_dev.dv_xname, typestr); 205 206 /* This interface is always enabled. */ 207 dsc->sc_enabled = 1; 208 209 /* 210 * Do generic NE2000 attach. This will read the station address 211 * from the EEPROM. 212 */ 213 ne2000_attach(nsc, NULL); 214 215 /* Establish the interrupt handler. */ 216 isc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, 217 IPL_NET, dp8390_intr, dsc); 218 if (isc->sc_ih == NULL) 219 printf("%s: couldn't establish interrupt handler\n", 220 dsc->sc_dev.dv_xname); 221 } 222
Indexes created Thu Oct 02 10:09:58 GMT 2025