1 /* $NetBSD: if_ne_isapnp.c,v 1.24 2007/10/19 12:00:31 ad 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 and Matt Thomas of the 3am Software Foundry. 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_isapnp.c,v 1.24 2007/10/19 12:00:31 ad 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 <sys/intr.h> 59 #include <sys/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 #include <dev/isapnp/isapnpreg.h> 73 #include <dev/isapnp/isapnpvar.h> 74 #include <dev/isapnp/isapnpdevs.h> 75 76 static int ne_isapnp_match(struct device *, struct cfdata *, void *); 77 static void ne_isapnp_attach(struct device *, struct device *, void *); 78 79 struct ne_isapnp_softc { 80 struct ne2000_softc sc_ne2000; /* real "ne2000" softc */ 81 82 /* ISA-specific goo. */ 83 void *sc_ih; /* interrupt cookie */ 84 }; 85 86 CFATTACH_DECL(ne_isapnp, sizeof(struct ne_isapnp_softc), 87 ne_isapnp_match, ne_isapnp_attach, NULL, NULL); 88 89 static int 90 ne_isapnp_match(struct device *parent, struct cfdata *match, 91 void *aux) 92 { 93 int pri, variant; 94 95 pri = isapnp_devmatch(aux, &isapnp_ne_devinfo, &variant); 96 if (pri && variant > 0) 97 pri = 0; 98 return (pri); 99 } 100 101 static void 102 ne_isapnp_attach( 103 struct device *parent, 104 struct device *self, 105 void *aux) 106 { 107 struct ne_isapnp_softc * const isc = device_private(self); 108 struct ne2000_softc * const nsc = &isc->sc_ne2000; 109 struct dp8390_softc * const dsc = &nsc->sc_dp8390; 110 struct isapnp_attach_args * const ipa = aux; 111 bus_space_tag_t nict; 112 bus_space_handle_t nich; 113 bus_space_tag_t asict; 114 bus_space_handle_t asich; 115 const char *typestr; 116 int netype; 117 118 printf("\n"); 119 120 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 121 printf("%s: can't configure isapnp resources\n", 122 dsc->sc_dev.dv_xname); 123 return; 124 } 125 126 nict = ipa->ipa_iot; 127 nich = ipa->ipa_io[0].h; 128 129 asict = nict; 130 131 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 132 NE2000_ASIC_NPORTS, &asich)) { 133 printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname); 134 return; 135 } 136 137 dsc->sc_regt = nict; 138 dsc->sc_regh = nich; 139 140 nsc->sc_asict = asict; 141 nsc->sc_asich = asich; 142 143 /* 144 * Detect it again, so we can print some information about the 145 * interface. 146 */ 147 netype = ne2000_detect(nict, nich, asict, asich); 148 switch (netype) { 149 case NE2000_TYPE_NE1000: 150 typestr = "NE1000"; 151 break; 152 153 case NE2000_TYPE_NE2000: 154 typestr = "NE2000"; 155 /* 156 * Check for a Realtek 8019. 157 */ 158 bus_space_write_1(nict, nich, ED_P0_CR, 159 ED_CR_PAGE_0 | ED_CR_STP); 160 if (bus_space_read_1(nict, nich, NERTL_RTL0_8019ID0) == 161 RTL0_8019ID0 && 162 bus_space_read_1(nict, nich, NERTL_RTL0_8019ID1) == 163 RTL0_8019ID1) { 164 typestr = "NE2000 (RTL8019)"; 165 dsc->sc_mediachange = rtl80x9_mediachange; 166 dsc->sc_mediastatus = rtl80x9_mediastatus; 167 dsc->init_card = rtl80x9_init_card; 168 dsc->sc_media_init = rtl80x9_media_init; 169 } 170 break; 171 172 default: 173 printf("%s: where did the card go?!\n", dsc->sc_dev.dv_xname); 174 return; 175 } 176 177 printf("%s: %s Ethernet\n", dsc->sc_dev.dv_xname, typestr); 178 179 /* This interface is always enabled. */ 180 dsc->sc_enabled = 1; 181 182 /* 183 * Do generic NE2000 attach. This will read the station address 184 * from the EEPROM. 185 */ 186 ne2000_attach(nsc, NULL); 187 188 /* Establish the interrupt handler. */ 189 isc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num, 190 ipa->ipa_irq[0].type, IPL_NET, dp8390_intr, dsc); 191 if (isc->sc_ih == NULL) 192 printf("%s: couldn't establish interrupt handler\n", 193 dsc->sc_dev.dv_xname); 194 } 195