if_ne_isa.c revision 1.5
1 /* $NetBSD: if_ne_isa.c,v 1.5 1998/07/05 00:51:21 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 "bpfilter.h" 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/mbuf.h> 46 #include <sys/socket.h> 47 #include <sys/ioctl.h> 48 #include <sys/errno.h> 49 #include <sys/syslog.h> 50 #include <sys/select.h> 51 #include <sys/device.h> 52 53 #include <net/if.h> 54 #include <net/if_dl.h> 55 #include <net/if_ether.h> 56 #include <net/if_media.h> 57 58 #ifdef INET 59 #include <netinet/in.h> 60 #include <netinet/in_systm.h> 61 #include <netinet/in_var.h> 62 #include <netinet/ip.h> 63 #include <netinet/if_inarp.h> 64 #endif 65 66 #ifdef NS 67 #include <netns/ns.h> 68 #include <netns/ns_if.h> 69 #endif 70 71 #if NBPFILTER > 0 72 #include <net/bpf.h> 73 #include <net/bpfdesc.h> 74 #endif 75 76 #include <machine/intr.h> 77 #include <machine/bus.h> 78 79 #include <dev/ic/dp8390reg.h> 80 #include <dev/ic/dp8390var.h> 81 82 #include <dev/ic/ne2000reg.h> 83 #include <dev/ic/ne2000var.h> 84 85 #include <dev/isa/isavar.h> 86 87 int ne_isa_match __P((struct device *, struct cfdata *, void *)); 88 void ne_isa_attach __P((struct device *, struct device *, void *)); 89 90 struct ne_isa_softc { 91 struct ne2000_softc sc_ne2000; /* real "ne2000" softc */ 92 93 /* ISA-specific goo. */ 94 void *sc_ih; /* interrupt cookie */ 95 }; 96 97 struct cfattach ne_isa_ca = { 98 sizeof(struct ne_isa_softc), ne_isa_match, ne_isa_attach 99 }; 100 101 int 102 ne_isa_match(parent, match, aux) 103 struct device *parent; 104 struct cfdata *match; 105 void *aux; 106 { 107 struct isa_attach_args *ia = aux; 108 bus_space_tag_t nict = ia->ia_iot; 109 bus_space_handle_t nich; 110 bus_space_tag_t asict; 111 bus_space_handle_t asich; 112 int rv = 0; 113 114 /* Disallow wildcarded values. */ 115 if (ia->ia_irq == ISACF_IRQ_DEFAULT) 116 return (0); 117 if (ia->ia_iobase == ISACF_PORT_DEFAULT) 118 return (0); 119 120 /* Make sure this is a valid NE[12]000 i/o address. */ 121 if ((ia->ia_iobase & 0x1f) != 0) 122 return (0); 123 124 /* Map i/o space. */ 125 if (bus_space_map(nict, ia->ia_iobase, NE2000_NPORTS, 0, &nich)) 126 return (0); 127 128 asict = nict; 129 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 130 NE2000_ASIC_NPORTS, &asich)) 131 goto out; 132 133 /* Look for an NE2000-compatible card. */ 134 rv = ne2000_detect(nict, nich, asict, asich); 135 136 if (rv) 137 ia->ia_iosize = NE2000_NPORTS; 138 139 out: 140 bus_space_unmap(nict, nich, NE2000_NPORTS); 141 return (rv); 142 } 143 144 void 145 ne_isa_attach(parent, self, aux) 146 struct device *parent, *self; 147 void *aux; 148 { 149 struct ne_isa_softc *isc = (struct ne_isa_softc *)self; 150 struct ne2000_softc *nsc = &isc->sc_ne2000; 151 struct dp8390_softc *dsc = &nsc->sc_dp8390; 152 struct isa_attach_args *ia = aux; 153 bus_space_tag_t nict = ia->ia_iot; 154 bus_space_handle_t nich; 155 bus_space_tag_t asict = nict; 156 bus_space_handle_t asich; 157 const char *typestr; 158 159 printf("\n"); 160 161 /* Map i/o space. */ 162 if (bus_space_map(nict, ia->ia_iobase, NE2000_NPORTS, 0, &nich)) { 163 printf("%s: can't map i/o space\n", dsc->sc_dev.dv_xname); 164 return; 165 } 166 167 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 168 NE2000_ASIC_NPORTS, &asich)) { 169 printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname); 170 return; 171 } 172 173 dsc->sc_regt = nict; 174 dsc->sc_regh = nich; 175 176 nsc->sc_asict = asict; 177 nsc->sc_asich = asich; 178 179 /* 180 * Detect it again, so we can print some information about the 181 * interface. 182 */ 183 switch (ne2000_detect(nict, nich, asict, asich)) { 184 case NE2000_TYPE_NE1000: 185 typestr = "NE1000"; 186 break; 187 188 case NE2000_TYPE_NE2000: 189 typestr = "NE2000"; 190 break; 191 192 default: 193 printf("%s: where did the card go?!\n", dsc->sc_dev.dv_xname); 194 return; 195 } 196 197 printf("%s: %s Ethernet\n", dsc->sc_dev.dv_xname, typestr); 198 199 /* This interface is always enabled. */ 200 dsc->sc_enabled = 1; 201 202 /* 203 * Do generic NE2000 attach. This will read the station address 204 * from the EEPROM. 205 */ 206 ne2000_attach(nsc, NULL); 207 208 /* Establish the interrupt handler. */ 209 isc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, 210 IPL_NET, dp8390_intr, dsc); 211 if (isc->sc_ih == NULL) 212 printf("%s: couldn't establish interrupt handler\n", 213 dsc->sc_dev.dv_xname); 214 } 215
Indexes created Thu Oct 02 14:10:14 GMT 2025