1 /* $OpenBSD: if_ne_isa.c,v 1.19 2023/09/11 08:41:26 mvs 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/device.h> 44 45 #include <net/if.h> 46 #include <net/if_media.h> 47 48 #include <netinet/in.h> 49 #include <netinet/if_ether.h> 50 51 #if NBPFILTER > 0 52 #include <net/bpf.h> 53 #endif 54 55 #include <machine/intr.h> 56 #include <machine/bus.h> 57 58 #include <dev/ic/dp8390reg.h> 59 #include <dev/ic/dp8390var.h> 60 61 #include <dev/ic/ne2000reg.h> 62 #include <dev/ic/ne2000var.h> 63 64 #include <dev/ic/rtl80x9reg.h> 65 #include <dev/ic/rtl80x9var.h> 66 67 #include <dev/isa/isavar.h> 68 69 int ne_isa_match(struct device *, void *, void *); 70 void ne_isa_attach(struct device *, struct device *, void *); 71 72 struct ne_isa_softc { 73 struct ne2000_softc sc_ne2000; /* real "ne2000" softc */ 74 75 /* ISA-specific goo. */ 76 void *sc_ih; /* interrupt cookie */ 77 }; 78 79 const struct cfattach ne_isa_ca = { 80 sizeof(struct ne_isa_softc), ne_isa_match, ne_isa_attach 81 }; 82 83 int 84 ne_isa_match(struct device *parent, void *match, void *aux) 85 { 86 struct ne_isa_softc *isc = match; 87 struct ne2000_softc *nsc = &isc->sc_ne2000; 88 struct dp8390_softc *dsc = &nsc->sc_dp8390; 89 struct isa_attach_args *ia = aux; 90 bus_space_tag_t nict = ia->ia_iot; 91 bus_space_handle_t nich; 92 bus_space_tag_t asict; 93 bus_space_handle_t asich; 94 95 /* Disallow wildcarded values. */ 96 if (ia->ia_irq == -1 /* ISACF_IRQ_DEFAULT */) 97 return (0); 98 if (ia->ia_iobase == -1 /* ISACF_PORT_DEFAULT */) 99 return (0); 100 101 /* Make sure this is a valid NE[12]000 i/o address. */ 102 if ((ia->ia_iobase & 0x1f) != 0) 103 return (0); 104 105 /* Map i/o space. */ 106 if (bus_space_map(nict, ia->ia_iobase, NE2000_NPORTS, 0, &nich)) 107 return (0); 108 109 asict = nict; 110 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 111 NE2000_ASIC_NPORTS, &asich)) 112 goto out; 113 114 dsc->sc_regt = nict; 115 dsc->sc_regh = nich; 116 117 nsc->sc_asict = asict; 118 nsc->sc_asich = asich; 119 120 /* Look for an NE2000-compatible card. */ 121 nsc->sc_type = ne2000_detect(nsc); 122 123 if (nsc->sc_type) 124 ia->ia_iosize = NE2000_NPORTS; 125 126 out: 127 bus_space_unmap(nict, nich, NE2000_NPORTS); 128 return (nsc->sc_type); 129 } 130 131 void 132 ne_isa_attach(struct device *parent, struct device *self, void *aux) 133 { 134 struct ne_isa_softc *isc = (struct ne_isa_softc *)self; 135 struct ne2000_softc *nsc = &isc->sc_ne2000; 136 struct dp8390_softc *dsc = &nsc->sc_dp8390; 137 struct isa_attach_args *ia = aux; 138 bus_space_tag_t nict = ia->ia_iot; 139 bus_space_handle_t nich; 140 bus_space_tag_t asict = nict; 141 bus_space_handle_t asich; 142 const char *typestr; 143 144 /* Map i/o space. */ 145 if (bus_space_map(nict, ia->ia_iobase, NE2000_NPORTS, 0, &nich)) { 146 printf("%s: can't map i/o space\n", dsc->sc_dev.dv_xname); 147 return; 148 } 149 150 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 151 NE2000_ASIC_NPORTS, &asich)) { 152 printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname); 153 return; 154 } 155 156 dsc->sc_regt = nict; 157 dsc->sc_regh = nich; 158 159 nsc->sc_asict = asict; 160 nsc->sc_asich = asich; 161 162 switch (nsc->sc_type) { 163 case NE2000_TYPE_NE1000: 164 typestr = "NE1000"; 165 break; 166 167 case NE2000_TYPE_NE2000: 168 typestr = "NE2000"; 169 /* 170 * Check for a Realtek 8019. 171 */ 172 bus_space_write_1(nict, nich, ED_P0_CR, 173 ED_CR_PAGE_0 | ED_CR_STP); 174 if (bus_space_read_1(nict, nich, NERTL_RTL0_8019ID0) == 175 RTL0_8019ID0 && 176 bus_space_read_1(nict, nich, NERTL_RTL0_8019ID1) == 177 RTL0_8019ID1) { 178 typestr = "NE2000 (RTL8019)"; 179 dsc->sc_mediachange = rtl80x9_mediachange; 180 dsc->sc_mediastatus = rtl80x9_mediastatus; 181 dsc->init_card = rtl80x9_init_card; 182 dsc->sc_media_init = rtl80x9_media_init; 183 } 184 break; 185 186 default: 187 printf(": where did the card go?!\n"); 188 return; 189 } 190 191 printf(", %s", typestr); 192 193 /* This interface is always enabled. */ 194 dsc->sc_enabled = 1; 195 196 /* 197 * Do generic NE2000 attach. This will read the station address 198 * from the EEPROM. 199 */ 200 ne2000_attach(nsc, NULL); 201 202 /* Establish the interrupt handler. */ 203 isc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, 204 IPL_NET, dp8390_intr, dsc, dsc->sc_dev.dv_xname); 205 if (isc->sc_ih == NULL) 206 printf(": couldn't establish interrupt handler\n"); 207 } 208