if_ne_pci.c revision 1.20
1 /* $NetBSD: if_ne_pci.c,v 1.20 2001/07/08 18:02:28 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 "opt_ipkdb.h" 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/mbuf.h> 45 #include <sys/syslog.h> 46 #include <sys/socket.h> 47 #include <sys/device.h> 48 49 #include <net/if.h> 50 #include <net/if_ether.h> 51 #include <net/if_media.h> 52 53 #include <machine/bus.h> 54 #include <machine/intr.h> 55 56 #ifdef IPKDB_NE_PCI 57 #include <ipkdb/ipkdb.h> 58 #endif 59 60 #include <dev/pci/pcireg.h> 61 #include <dev/pci/pcivar.h> 62 #include <dev/pci/pcidevs.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 struct ne_pci_softc { 74 struct ne2000_softc sc_ne2000; /* real "ne2000" softc */ 75 76 /* PCI-specific goo */ 77 void *sc_ih; /* interrupt handle */ 78 }; 79 80 int ne_pci_match __P((struct device *, struct cfdata *, void *)); 81 void ne_pci_attach __P((struct device *, struct device *, void *)); 82 83 struct cfattach ne_pci_ca = { 84 sizeof(struct ne_pci_softc), ne_pci_match, ne_pci_attach 85 }; 86 87 #ifdef IPKDB_NE_PCI 88 static struct ne_pci_softc ipkdb_softc; 89 static pci_chipset_tag_t ipkdb_pc; 90 static pcitag_t ipkdb_tag; 91 static struct ipkdb_if *ne_kip; 92 93 int ne_pci_ipkdb_attach __P((struct ipkdb_if *, bus_space_tag_t, /* XXX */ 94 pci_chipset_tag_t, int, int)); 95 96 static int ne_pci_isipkdb __P((pci_chipset_tag_t, pcitag_t)); 97 #endif 98 99 const struct ne_pci_product { 100 pci_vendor_id_t npp_vendor; 101 pci_product_id_t npp_product; 102 int (*npp_mediachange) __P((struct dp8390_softc *)); 103 void (*npp_mediastatus) __P((struct dp8390_softc *, 104 struct ifmediareq *)); 105 void (*npp_init_card) __P((struct dp8390_softc *)); 106 void (*npp_media_init) __P((struct dp8390_softc *)); 107 const char *npp_name; 108 } ne_pci_products[] = { 109 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8029, 110 rtl80x9_mediachange, rtl80x9_mediastatus, 111 rtl80x9_init_card, rtl80x9_media_init, 112 "RealTek 8029" }, 113 114 { PCI_VENDOR_WINBOND, PCI_PRODUCT_WINBOND_W89C940F, 115 NULL, NULL, 116 NULL, NULL, 117 "Winbond 89C940F" }, 118 119 { PCI_VENDOR_WINBOND, PCI_PRODUCT_WINBOND_W89C940F_1, 120 NULL, NULL, 121 NULL, NULL, 122 "Winbond 89C940F" }, 123 124 { PCI_VENDOR_VIATECH, PCI_PRODUCT_VIATECH_VT86C926, 125 NULL, NULL, 126 NULL, NULL, 127 "VIA Technologies VT86C926" }, 128 129 { PCI_VENDOR_SURECOM, PCI_PRODUCT_SURECOM_NE34, 130 NULL, NULL, 131 NULL, NULL, 132 "Surecom NE-34" }, 133 134 { PCI_VENDOR_NETVIN, PCI_PRODUCT_NETVIN_5000, 135 NULL, NULL, 136 NULL, NULL, 137 "NetVin 5000" }, 138 139 /* XXX The following entries need sanity checking in pcidevs */ 140 { PCI_VENDOR_COMPEX, PCI_PRODUCT_COMPEX_NE2KETHER, 141 NULL, NULL, 142 NULL, NULL, 143 "Compex" }, 144 145 { PCI_VENDOR_PROLAN, PCI_PRODUCT_PROLAN_NE2KETHER, 146 NULL, NULL, 147 NULL, NULL, 148 "ProLAN" }, 149 150 { PCI_VENDOR_KTI, PCI_PRODUCT_KTI_NE2KETHER, 151 NULL, NULL, 152 NULL, NULL, 153 "KTI" }, 154 155 { 0, 0, 156 NULL, NULL, 157 NULL, NULL, 158 NULL }, 159 }; 160 161 const struct ne_pci_product *ne_pci_lookup 162 __P((const struct pci_attach_args *)); 163 164 const struct ne_pci_product * 165 ne_pci_lookup(pa) 166 const struct pci_attach_args *pa; 167 { 168 const struct ne_pci_product *npp; 169 170 for (npp = ne_pci_products; npp->npp_name != NULL; npp++) { 171 if (PCI_VENDOR(pa->pa_id) == npp->npp_vendor && 172 PCI_PRODUCT(pa->pa_id) == npp->npp_product) 173 return (npp); 174 } 175 return (NULL); 176 } 177 178 /* 179 * PCI constants. 180 * XXX These should be in a common file! 181 */ 182 #define PCI_CBIO 0x10 /* Configuration Base IO Address */ 183 184 int 185 ne_pci_match(parent, match, aux) 186 struct device *parent; 187 struct cfdata *match; 188 void *aux; 189 { 190 struct pci_attach_args *pa = aux; 191 192 if (ne_pci_lookup(pa) != NULL) 193 return (1); 194 195 return (0); 196 } 197 198 void 199 ne_pci_attach(parent, self, aux) 200 struct device *parent, *self; 201 void *aux; 202 { 203 struct ne_pci_softc *psc = (struct ne_pci_softc *)self; 204 struct ne2000_softc *nsc = &psc->sc_ne2000; 205 struct dp8390_softc *dsc = &nsc->sc_dp8390; 206 struct pci_attach_args *pa = aux; 207 pci_chipset_tag_t pc = pa->pa_pc; 208 bus_space_tag_t nict; 209 bus_space_handle_t nich; 210 bus_space_tag_t asict; 211 bus_space_handle_t asich; 212 const char *intrstr; 213 const struct ne_pci_product *npp; 214 pci_intr_handle_t ih; 215 pcireg_t csr; 216 217 npp = ne_pci_lookup(pa); 218 if (npp == NULL) { 219 printf("\n"); 220 panic("ne_pci_attach: impossible"); 221 } 222 223 printf(": %s Ethernet\n", npp->npp_name); 224 225 #ifdef IPKDB_NE_PCI 226 if (ne_pci_isipkdb(pc, pa->pa_tag)) { 227 nict = ipkdb_softc.sc_ne2000.sc_dp8390.sc_regt; 228 nich = ipkdb_softc.sc_ne2000.sc_dp8390.sc_regh; 229 ne_kip->port = nsc; 230 } else 231 #endif 232 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 233 &nict, &nich, NULL, NULL)) { 234 printf("%s: can't map i/o space\n", dsc->sc_dev.dv_xname); 235 return; 236 } 237 238 asict = nict; 239 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 240 NE2000_ASIC_NPORTS, &asich)) { 241 printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname); 242 return; 243 } 244 245 dsc->sc_regt = nict; 246 dsc->sc_regh = nich; 247 248 nsc->sc_asict = asict; 249 nsc->sc_asich = asich; 250 251 /* Enable the card. */ 252 csr = pci_conf_read(pc, pa->pa_tag, 253 PCI_COMMAND_STATUS_REG); 254 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 255 csr | PCI_COMMAND_MASTER_ENABLE); 256 257 /* This interface is always enabled. */ 258 dsc->sc_enabled = 1; 259 260 dsc->sc_mediachange = npp->npp_mediachange; 261 dsc->sc_mediastatus = npp->npp_mediastatus; 262 dsc->sc_media_init = npp->npp_media_init; 263 dsc->init_card = npp->npp_init_card; 264 265 /* 266 * Do generic NE2000 attach. This will read the station address 267 * from the EEPROM. 268 */ 269 ne2000_attach(nsc, NULL); 270 271 /* Map and establish the interrupt. */ 272 if (pci_intr_map(pa, &ih)) { 273 printf("%s: couldn't map interrupt\n", dsc->sc_dev.dv_xname); 274 return; 275 } 276 intrstr = pci_intr_string(pc, ih); 277 psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, dp8390_intr, dsc); 278 if (psc->sc_ih == NULL) { 279 printf("%s: couldn't establish interrupt", 280 dsc->sc_dev.dv_xname); 281 if (intrstr != NULL) 282 printf(" at %s", intrstr); 283 printf("\n"); 284 return; 285 } 286 printf("%s: interrupting at %s\n", dsc->sc_dev.dv_xname, intrstr); 287 } 288 289 #ifdef IPKDB_NE_PCI 290 static int 291 ne_pci_isipkdb(pc, tag) 292 pci_chipset_tag_t pc; 293 pcitag_t tag; 294 { 295 return !memcmp(&pc, &ipkdb_pc, sizeof pc) 296 && !memcmp(&tag, &ipkdb_tag, sizeof tag); 297 } 298 299 int 300 ne_pci_ipkdb_attach(kip, iot, pc, bus, dev) 301 struct ipkdb_if *kip; 302 bus_space_tag_t iot; 303 pci_chipset_tag_t pc; 304 int bus, dev; 305 { 306 struct pci_attach_args pa; 307 bus_space_tag_t nict, asict; 308 bus_space_handle_t nich, asich; 309 u_int32_t csr; 310 311 pa.pa_iot = iot; 312 pa.pa_pc = pc; 313 pa.pa_device = dev; 314 pa.pa_function = 0; 315 pa.pa_flags = PCI_FLAGS_IO_ENABLED; 316 pa.pa_tag = pci_make_tag(pc, bus, dev, /*func*/0); 317 pa.pa_id = pci_conf_read(pc, pa.pa_tag, PCI_ID_REG); 318 pa.pa_class = pci_conf_read(pc, pa.pa_tag, PCI_CLASS_REG); 319 if (ne_pci_lookup(&pa) == NULL) 320 return -1; 321 322 if (pci_mapreg_map(&pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 323 &nict, &nich, NULL, NULL)) 324 return -1; 325 326 asict = nict; 327 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 328 NE2000_ASIC_NPORTS, &asich)) { 329 bus_space_unmap(nict, nich, NE2000_NPORTS); 330 return -1; 331 } 332 333 /* Enable card */ 334 csr = pci_conf_read(pc, pa.pa_tag, PCI_COMMAND_STATUS_REG); 335 pci_conf_write(pc, pa.pa_tag, PCI_COMMAND_STATUS_REG, 336 csr | PCI_COMMAND_MASTER_ENABLE); 337 338 ipkdb_softc.sc_ne2000.sc_dp8390.sc_regt = nict; 339 ipkdb_softc.sc_ne2000.sc_dp8390.sc_regh = nich; 340 ipkdb_softc.sc_ne2000.sc_asict = asict; 341 ipkdb_softc.sc_ne2000.sc_asich = asich; 342 343 kip->port = &ipkdb_softc; 344 ipkdb_pc = pc; 345 ipkdb_tag = pa.pa_tag; 346 ne_kip = kip; 347 348 if (ne2000_ipkdb_attach(kip) < 0) { 349 bus_space_unmap(nict, nich, NE2000_NPORTS); 350 return -1; 351 } 352 353 return 0; 354 } 355 #endif 356
Indexes created Wed Oct 01 19:09:53 GMT 2025