1 /* $OpenBSD: if_ne_isa.c,v 1.14 2013/08/07 01:06:32 bluhm Exp $ */ 2 /* $NetBSD: if_ne_isa.c,v 1.6 1998/07/05 06:49:13 jonathan Exp $ */ 3 4 /*- 5 * Copyright (c) 1997 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 10 * NASA Ames Research Center. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include "bpfilter.h" 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/mbuf.h> 39 #include <sys/socket.h> 40 #include <sys/ioctl.h> 41 #include <sys/errno.h> 42 #include <sys/syslog.h> 43 #include <sys/selinfo.h> 44 #include <sys/device.h> 45 46 #include <net/if.h> 47 #include <net/if_dl.h> 48 #include <net/if_media.h> 49 50 #ifdef INET 51 #include <netinet/in.h> 52 #include <netinet/in_systm.h> 53 #include <netinet/ip.h> 54 #include <netinet/if_ether.h> 55 #endif 56 57 #if NBPFILTER > 0 58 #include <net/bpf.h> 59 #endif 60 61 #include <machine/intr.h> 62 #include <machine/bus.h> 63 64 #include <dev/ic/dp8390reg.h> 65 #include <dev/ic/dp8390var.h> 66 67 #include <dev/ic/ne2000reg.h> 68 #include <dev/ic/ne2000var.h> 69 70 #include <dev/ic/rtl80x9reg.h> 71 #include <dev/ic/rtl80x9var.h> 72 73 #include <dev/isa/isavar.h> 74 75 int ne_isa_match(struct device *, void *, void *); 76 void ne_isa_attach(struct device *, struct device *, void *); 77 78 struct ne_isa_softc { 79 struct ne2000_softc sc_ne2000; /* real "ne2000" softc */ 80 81 /* ISA-specific goo. */ 82 void *sc_ih; /* interrupt cookie */ 83 }; 84 85 struct cfattach ne_isa_ca = { 86 sizeof(struct ne_isa_softc), ne_isa_match, ne_isa_attach 87 }; 88 89 int 90 ne_isa_match(struct device *parent, void *match, void *aux) 91 { 92 struct ne_isa_softc *isc = match; 93 struct ne2000_softc *nsc = &isc->sc_ne2000; 94 struct dp8390_softc *dsc = &nsc->sc_dp8390; 95 struct isa_attach_args *ia = aux; 96 bus_space_tag_t nict = ia->ia_iot; 97 bus_space_handle_t nich; 98 bus_space_tag_t asict; 99 bus_space_handle_t asich; 100 101 /* Disallow wildcarded values. */ 102 if (ia->ia_irq == -1 /* ISACF_IRQ_DEFAULT */) 103 return (0); 104 if (ia->ia_iobase == -1 /* ISACF_PORT_DEFAULT */) 105 return (0); 106 107 /* Make sure this is a valid NE[12]000 i/o address. */ 108 if ((ia->ia_iobase & 0x1f) != 0) 109 return (0); 110 111 /* Map i/o space. */ 112 if (bus_space_map(nict, ia->ia_iobase, NE2000_NPORTS, 0, &nich)) 113 return (0); 114 115 asict = nict; 116 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 117 NE2000_ASIC_NPORTS, &asich)) 118 goto out; 119 120 dsc->sc_regt = nict; 121 dsc->sc_regh = nich; 122 123 nsc->sc_asict = asict; 124 nsc->sc_asich = asich; 125 126 /* Look for an NE2000-compatible card. */ 127 nsc->sc_type = ne2000_detect(nsc); 128 129 if (nsc->sc_type) 130 ia->ia_iosize = NE2000_NPORTS; 131 132 out: 133 bus_space_unmap(nict, nich, NE2000_NPORTS); 134 return (nsc->sc_type); 135 } 136 137 void 138 ne_isa_attach(struct device *parent, struct device *self, void *aux) 139 { 140 struct ne_isa_softc *isc = (struct ne_isa_softc *)self; 141 struct ne2000_softc *nsc = &isc->sc_ne2000; 142 struct dp8390_softc *dsc = &nsc->sc_dp8390; 143 struct isa_attach_args *ia = aux; 144 bus_space_tag_t nict = ia->ia_iot; 145 bus_space_handle_t nich; 146 bus_space_tag_t asict = nict; 147 bus_space_handle_t asich; 148 const char *typestr; 149 150 /* Map i/o space. */ 151 if (bus_space_map(nict, ia->ia_iobase, NE2000_NPORTS, 0, &nich)) { 152 printf("%s: can't map i/o space\n", dsc->sc_dev.dv_xname); 153 return; 154 } 155 156 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 157 NE2000_ASIC_NPORTS, &asich)) { 158 printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname); 159 return; 160 } 161 162 dsc->sc_regt = nict; 163 dsc->sc_regh = nich; 164 165 nsc->sc_asict = asict; 166 nsc->sc_asich = asich; 167 168 switch (nsc->sc_type) { 169 case NE2000_TYPE_NE1000: 170 typestr = "NE1000"; 171 break; 172 173 case NE2000_TYPE_NE2000: 174 typestr = "NE2000"; 175 /* 176 * Check for a RealTek 8019. 177 */ 178 bus_space_write_1(nict, nich, ED_P0_CR, 179 ED_CR_PAGE_0 | ED_CR_STP); 180 if (bus_space_read_1(nict, nich, NERTL_RTL0_8019ID0) == 181 RTL0_8019ID0 && 182 bus_space_read_1(nict, nich, NERTL_RTL0_8019ID1) == 183 RTL0_8019ID1) { 184 typestr = "NE2000 (RTL8019)"; 185 dsc->sc_mediachange = rtl80x9_mediachange; 186 dsc->sc_mediastatus = rtl80x9_mediastatus; 187 dsc->init_card = rtl80x9_init_card; 188 dsc->sc_media_init = rtl80x9_media_init; 189 } 190 break; 191 192 default: 193 printf(": where did the card go?!\n"); 194 return; 195 } 196 197 printf(", %s", 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, dsc->sc_dev.dv_xname); 211 if (isc->sc_ih == NULL) 212 printf(": couldn't establish interrupt handler\n"); 213 } 214