1 /* $OpenBSD: if_ne_pci.c,v 1.22 2024/05/24 06:02:56 jsg Exp $ */ 2 /* $NetBSD: if_ne_pci.c,v 1.8 1998/07/05 00:51:24 jonathan Exp $ */ 3 4 /*- 5 * Copyright (c) 1997, 1998 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 <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/device.h> 37 38 #include <net/if.h> 39 #include <net/if_media.h> 40 41 #include <netinet/in.h> 42 #include <netinet/if_ether.h> 43 44 #include <machine/bus.h> 45 #include <machine/intr.h> 46 47 #include <dev/pci/pcireg.h> 48 #include <dev/pci/pcivar.h> 49 #include <dev/pci/pcidevs.h> 50 51 #include <dev/mii/miivar.h> 52 53 #include <dev/ic/dp8390reg.h> 54 #include <dev/ic/dp8390var.h> 55 56 #include <dev/ic/ne2000reg.h> 57 #include <dev/ic/ne2000var.h> 58 59 #include <dev/ic/rtl80x9reg.h> 60 #include <dev/ic/rtl80x9var.h> 61 62 struct ne_pci_softc { 63 struct ne2000_softc sc_ne2000; /* real "ne2000" softc */ 64 65 /* PCI-specific goo */ 66 void *sc_ih; /* interrupt handle */ 67 }; 68 69 int ne_pci_match(struct device *, void *, void *); 70 void ne_pci_attach(struct device *, struct device *, void *); 71 72 const struct cfattach ne_pci_ca = { 73 sizeof(struct ne_pci_softc), ne_pci_match, ne_pci_attach 74 }; 75 76 const struct ne_pci_product { 77 pci_vendor_id_t npp_vendor; 78 pci_product_id_t npp_product; 79 int (*npp_mediachange)(struct dp8390_softc *); 80 void (*npp_mediastatus)(struct dp8390_softc *, 81 struct ifmediareq *); 82 void (*npp_init_card)(struct dp8390_softc *); 83 void (*npp_media_init)(struct dp8390_softc *); 84 } ne_pci_prod[] = { 85 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8029, 86 rtl80x9_mediachange, rtl80x9_mediastatus, 87 rtl80x9_init_card, rtl80x9_media_init, 88 /* Realtek 8029 */ }, 89 90 { PCI_VENDOR_WINBOND, PCI_PRODUCT_WINBOND_W89C940F, 91 NULL, NULL, 92 NULL, NULL, 93 /* Winbond 89C940F */ }, 94 95 { PCI_VENDOR_VIATECH, PCI_PRODUCT_VIATECH_VT86C926, 96 NULL, NULL, 97 NULL, NULL, 98 /* VIA Technologies VT86C926 */ }, 99 100 { PCI_VENDOR_SURECOM, PCI_PRODUCT_SURECOM_NE34, 101 NULL, NULL, 102 NULL, NULL, 103 /* Surecom NE-34 */ }, 104 105 { PCI_VENDOR_NETVIN, PCI_PRODUCT_NETVIN_NV5000, 106 NULL, NULL, 107 NULL, NULL, 108 /* NetVin 5000 */ }, 109 110 /* XXX The following entries need sanity checking in pcidevs */ 111 { PCI_VENDOR_COMPEX, PCI_PRODUCT_COMPEX_COMPEXE, 112 NULL, NULL, 113 NULL, NULL, 114 /* Compex */ }, 115 116 { PCI_VENDOR_WINBOND2, PCI_PRODUCT_WINBOND2_W89C940, 117 NULL, NULL, 118 NULL, NULL, 119 /* ProLAN */ }, 120 121 { PCI_VENDOR_KTI, PCI_PRODUCT_KTI_KTIE, 122 NULL, NULL, 123 NULL, NULL, 124 /* KTI */ }, 125 }; 126 127 const struct ne_pci_product *ne_pci_lookup(struct pci_attach_args *); 128 129 const struct ne_pci_product * 130 ne_pci_lookup(struct pci_attach_args *pa) 131 { 132 const struct ne_pci_product *npp; 133 134 for (npp = ne_pci_prod; 135 npp < &ne_pci_prod[nitems(ne_pci_prod)]; 136 npp++) { 137 if (PCI_VENDOR(pa->pa_id) == npp->npp_vendor && 138 PCI_PRODUCT(pa->pa_id) == npp->npp_product) 139 return (npp); 140 } 141 return (NULL); 142 } 143 144 /* 145 * PCI constants. 146 * XXX These should be in a common file! 147 */ 148 #define PCI_CBIO 0x10 /* Configuration Base IO Address */ 149 150 int 151 ne_pci_match(struct device *parent, void *match, void *aux) 152 { 153 struct pci_attach_args *pa = aux; 154 155 if (ne_pci_lookup(pa) != NULL) 156 return (1); 157 158 return (0); 159 } 160 161 void 162 ne_pci_attach(struct device *parent, struct device *self, void *aux) 163 { 164 struct ne_pci_softc *psc = (struct ne_pci_softc *)self; 165 struct ne2000_softc *nsc = &psc->sc_ne2000; 166 struct dp8390_softc *dsc = &nsc->sc_dp8390; 167 struct pci_attach_args *pa = aux; 168 pci_chipset_tag_t pc = pa->pa_pc; 169 bus_size_t iosize; 170 bus_space_tag_t nict; 171 bus_space_handle_t nich; 172 bus_space_tag_t asict; 173 bus_space_handle_t asich; 174 const char *intrstr; 175 const struct ne_pci_product *npp; 176 pci_intr_handle_t ih; 177 178 npp = ne_pci_lookup(pa); 179 if (npp == NULL) { 180 printf("\n"); 181 panic("ne_pci_attach: impossible"); 182 } 183 184 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 185 &nict, &nich, NULL, &iosize, 0)) { 186 printf(": can't map i/o space\n"); 187 return; 188 } 189 190 asict = nict; 191 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 192 NE2000_ASIC_NPORTS, &asich)) { 193 printf(": can't subregion i/o space\n"); 194 bus_space_unmap(nict, nich, iosize); 195 return; 196 } 197 198 dsc->sc_regt = nict; 199 dsc->sc_regh = nich; 200 201 nsc->sc_asict = asict; 202 nsc->sc_asich = asich; 203 204 /* This interface is always enabled. */ 205 dsc->sc_enabled = 1; 206 207 dsc->sc_mediachange = npp->npp_mediachange; 208 dsc->sc_mediastatus = npp->npp_mediastatus; 209 dsc->sc_media_init = npp->npp_media_init; 210 dsc->init_card = npp->npp_init_card; 211 212 /* Map and establish the interrupt. */ 213 if (pci_intr_map(pa, &ih)) { 214 printf(": couldn't map interrupt\n"); 215 bus_space_unmap(nict, nich, iosize); 216 return; 217 } 218 intrstr = pci_intr_string(pc, ih); 219 psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, dp8390_intr, dsc, 220 dsc->sc_dev.dv_xname); 221 if (psc->sc_ih == NULL) { 222 printf(": couldn't establish interrupt"); 223 if (intrstr != NULL) 224 printf(" at %s", intrstr); 225 printf("\n"); 226 bus_space_unmap(nict, nich, iosize); 227 return; 228 } 229 printf(": %s", intrstr); 230 231 /* 232 * Do generic NE2000 attach. This will read the station address 233 * from the EEPROM. 234 */ 235 ne2000_attach(nsc, NULL); 236 } 237