if_ne_isa.c revision 1.16
1 /* $NetBSD: if_ne_isa.c,v 1.16 2002/10/02 03:10:48 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1997, 1998 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 <sys/cdefs.h> 41 __KERNEL_RCSID(0, "$NetBSD: if_ne_isa.c,v 1.16 2002/10/02 03:10:48 thorpej Exp $"); 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 #include <machine/intr.h> 59 #include <machine/bus.h> 60 61 #include <dev/ic/dp8390reg.h> 62 #include <dev/ic/dp8390var.h> 63 64 #include <dev/ic/ne2000reg.h> 65 #include <dev/ic/ne2000var.h> 66 67 #include <dev/ic/rtl80x9reg.h> 68 #include <dev/ic/rtl80x9var.h> 69 70 #include <dev/isa/isavar.h> 71 72 int ne_isa_match __P((struct device *, struct cfdata *, void *)); 73 void ne_isa_attach __P((struct device *, struct device *, void *)); 74 75 struct ne_isa_softc { 76 struct ne2000_softc sc_ne2000; /* real "ne2000" softc */ 77 78 /* ISA-specific goo. */ 79 void *sc_ih; /* interrupt cookie */ 80 }; 81 82 CFATTACH_DECL(ne_isa, sizeof(struct ne_isa_softc), 83 ne_isa_match, ne_isa_attach, NULL, NULL); 84 85 int 86 ne_isa_match(parent, match, aux) 87 struct device *parent; 88 struct cfdata *match; 89 void *aux; 90 { 91 struct isa_attach_args *ia = aux; 92 bus_space_tag_t nict = ia->ia_iot; 93 bus_space_handle_t nich; 94 bus_space_tag_t asict; 95 bus_space_handle_t asich; 96 int rv = 0; 97 98 if (ia->ia_nio < 1) 99 return (0); 100 if (ia->ia_nirq < 1) 101 return (0); 102 103 if (ISA_DIRECT_CONFIG(ia)) 104 return (0); 105 106 /* Disallow wildcarded values. */ 107 if (ia->ia_io[0].ir_addr == ISACF_PORT_DEFAULT) 108 return (0); 109 if (ia->ia_irq[0].ir_irq == ISACF_IRQ_DEFAULT) 110 return (0); 111 112 /* Make sure this is a valid NE[12]000 i/o address. */ 113 if ((ia->ia_io[0].ir_addr & 0x1f) != 0) 114 return (0); 115 116 /* Map i/o space. */ 117 if (bus_space_map(nict, ia->ia_io[0].ir_addr, NE2000_NPORTS, 0, &nich)) 118 return (0); 119 120 asict = nict; 121 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 122 NE2000_ASIC_NPORTS, &asich)) 123 goto out; 124 125 /* Look for an NE2000-compatible card. */ 126 rv = ne2000_detect(nict, nich, asict, asich); 127 128 if (rv) { 129 ia->ia_nio = 1; 130 ia->ia_io[0].ir_size = NE2000_NPORTS; 131 132 ia->ia_nirq = 1; 133 134 ia->ia_niomem = 0; 135 ia->ia_ndrq = 0; 136 } 137 138 out: 139 bus_space_unmap(nict, nich, NE2000_NPORTS); 140 return (rv); 141 } 142 143 void 144 ne_isa_attach(parent, self, aux) 145 struct device *parent, *self; 146 void *aux; 147 { 148 struct ne_isa_softc *isc = (struct ne_isa_softc *)self; 149 struct ne2000_softc *nsc = &isc->sc_ne2000; 150 struct dp8390_softc *dsc = &nsc->sc_dp8390; 151 struct isa_attach_args *ia = aux; 152 bus_space_tag_t nict = ia->ia_iot; 153 bus_space_handle_t nich; 154 bus_space_tag_t asict = nict; 155 bus_space_handle_t asich; 156 const char *typestr; 157 int netype; 158 159 printf("\n"); 160 161 /* Map i/o space. */ 162 if (bus_space_map(nict, ia->ia_io[0].ir_addr, NE2000_NPORTS, 163 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 netype = ne2000_detect(nict, nich, asict, asich); 185 switch (netype) { 186 case NE2000_TYPE_NE1000: 187 typestr = "NE1000"; 188 break; 189 190 case NE2000_TYPE_NE2000: 191 typestr = "NE2000"; 192 /* 193 * Check for a RealTek 8019. 194 */ 195 bus_space_write_1(nict, nich, ED_P0_CR, 196 ED_CR_PAGE_0 | ED_CR_STP); 197 if (bus_space_read_1(nict, nich, NERTL_RTL0_8019ID0) == 198 RTL0_8019ID0 && 199 bus_space_read_1(nict, nich, NERTL_RTL0_8019ID1) == 200 RTL0_8019ID1) { 201 typestr = "NE2000 (RTL8019)"; 202 dsc->sc_mediachange = rtl80x9_mediachange; 203 dsc->sc_mediastatus = rtl80x9_mediastatus; 204 dsc->init_card = rtl80x9_init_card; 205 dsc->sc_media_init = rtl80x9_media_init; 206 } 207 break; 208 209 default: 210 printf("%s: where did the card go?!\n", dsc->sc_dev.dv_xname); 211 return; 212 } 213 214 printf("%s: %s Ethernet\n", dsc->sc_dev.dv_xname, typestr); 215 216 /* This interface is always enabled. */ 217 dsc->sc_enabled = 1; 218 219 /* 220 * Do generic NE2000 attach. This will read the station address 221 * from the EEPROM. 222 */ 223 ne2000_attach(nsc, NULL); 224 225 /* Establish the interrupt handler. */ 226 isc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq[0].ir_irq, 227 IST_EDGE, IPL_NET, dp8390_intr, dsc); 228 if (isc->sc_ih == NULL) 229 printf("%s: couldn't establish interrupt handler\n", 230 dsc->sc_dev.dv_xname); 231 } 232
Indexes created Thu Oct 02 14:10:14 GMT 2025