if_ne_pci.c revision 1.16
1 /* $NetBSD: if_ne_pci.c,v 1.16 2000/03/22 20:58:29 ws 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 #include "opt_inet.h" 42 #include "bpfilter.h" 43 44 #include <sys/param.h> 45 #include <sys/systm.h> 46 #include <sys/mbuf.h> 47 #include <sys/syslog.h> 48 #include <sys/socket.h> 49 #include <sys/device.h> 50 51 #include <net/if.h> 52 #include <net/if_ether.h> 53 #include <net/if_media.h> 54 55 #ifdef INET 56 #include <netinet/in.h> 57 #include <netinet/if_inarp.h> 58 #endif 59 60 #include <machine/bus.h> 61 #include <machine/intr.h> 62 63 #ifdef IPKDB_NE_PCI 64 #include <ipkdb/ipkdb.h> 65 #endif 66 67 #include <dev/pci/pcireg.h> 68 #include <dev/pci/pcivar.h> 69 #include <dev/pci/pcidevs.h> 70 71 #include <dev/ic/dp8390reg.h> 72 #include <dev/ic/dp8390var.h> 73 74 #include <dev/ic/ne2000reg.h> 75 #include <dev/ic/ne2000var.h> 76 77 #include <dev/ic/rtl80x9reg.h> 78 #include <dev/ic/rtl80x9var.h> 79 80 struct ne_pci_softc { 81 struct ne2000_softc sc_ne2000; /* real "ne2000" softc */ 82 83 /* PCI-specific goo */ 84 void *sc_ih; /* interrupt handle */ 85 }; 86 87 int ne_pci_match __P((struct device *, struct cfdata *, void *)); 88 void ne_pci_attach __P((struct device *, struct device *, void *)); 89 90 struct cfattach ne_pci_ca = { 91 sizeof(struct ne_pci_softc), ne_pci_match, ne_pci_attach 92 }; 93 94 #ifdef IPKDB_NE_PCI 95 static struct ne_pci_softc ipkdb_softc; 96 static pci_chipset_tag_t ipkdb_pc; 97 static pcitag_t ipkdb_tag; 98 static struct ipkdb_if *ne_kip; 99 100 int ne_pci_ipkdb_attach __P((struct ipkdb_if *, bus_space_tag_t, /* XXX */ 101 pci_chipset_tag_t, int, int)); 102 103 static int ne_pci_isipkdb __P((pci_chipset_tag_t, pcitag_t)); 104 #endif 105 106 const struct ne_pci_product { 107 pci_vendor_id_t npp_vendor; 108 pci_product_id_t npp_product; 109 int (*npp_mediachange) __P((struct dp8390_softc *)); 110 void (*npp_mediastatus) __P((struct dp8390_softc *, 111 struct ifmediareq *)); 112 void (*npp_init_card) __P((struct dp8390_softc *)); 113 void (*npp_init_media) __P((struct dp8390_softc *, int **, 114 int *, int *)); 115 const char *npp_name; 116 } ne_pci_products[] = { 117 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8029, 118 rtl80x9_mediachange, rtl80x9_mediastatus, 119 rtl80x9_init_card, rtl80x9_init_media, 120 "RealTek 8029" }, 121 122 { PCI_VENDOR_WINBOND, PCI_PRODUCT_WINBOND_W89C940F, 123 NULL, NULL, 124 NULL, NULL, 125 "Winbond 89C940F" }, 126 127 { PCI_VENDOR_WINBOND, PCI_PRODUCT_WINBOND_W89C940F_1, 128 NULL, NULL, 129 NULL, NULL, 130 "Winbond 89C940F" }, 131 132 { PCI_VENDOR_VIATECH, PCI_PRODUCT_VIATECH_VT86C926, 133 NULL, NULL, 134 NULL, NULL, 135 "VIA Technologies VT86C926" }, 136 137 { PCI_VENDOR_SURECOM, PCI_PRODUCT_SURECOM_NE34, 138 NULL, NULL, 139 NULL, NULL, 140 "Surecom NE-34" }, 141 142 { PCI_VENDOR_NETVIN, PCI_PRODUCT_NETVIN_5000, 143 NULL, NULL, 144 NULL, NULL, 145 "NetVin 5000" }, 146 147 /* XXX The following entries need sanity checking in pcidevs */ 148 { PCI_VENDOR_COMPEX, PCI_PRODUCT_COMPEX_NE2KETHER, 149 NULL, NULL, 150 NULL, NULL, 151 "Compex" }, 152 153 { PCI_VENDOR_PROLAN, PCI_PRODUCT_PROLAN_NE2KETHER, 154 NULL, NULL, 155 NULL, NULL, 156 "ProLAN" }, 157 158 { PCI_VENDOR_KTI, PCI_PRODUCT_KTI_NE2KETHER, 159 NULL, NULL, 160 NULL, NULL, 161 "KTI" }, 162 163 { 0, 0, 164 NULL, NULL, 165 NULL, NULL, 166 NULL }, 167 }; 168 169 const struct ne_pci_product *ne_pci_lookup 170 __P((const struct pci_attach_args *)); 171 172 const struct ne_pci_product * 173 ne_pci_lookup(pa) 174 const struct pci_attach_args *pa; 175 { 176 const struct ne_pci_product *npp; 177 178 for (npp = ne_pci_products; npp->npp_name != NULL; npp++) { 179 if (PCI_VENDOR(pa->pa_id) == npp->npp_vendor && 180 PCI_PRODUCT(pa->pa_id) == npp->npp_product) 181 return (npp); 182 } 183 return (NULL); 184 } 185 186 /* 187 * PCI constants. 188 * XXX These should be in a common file! 189 */ 190 #define PCI_CBIO 0x10 /* Configuration Base IO Address */ 191 192 int 193 ne_pci_match(parent, match, aux) 194 struct device *parent; 195 struct cfdata *match; 196 void *aux; 197 { 198 struct pci_attach_args *pa = aux; 199 200 if (ne_pci_lookup(pa) != NULL) 201 return (1); 202 203 return (0); 204 } 205 206 void 207 ne_pci_attach(parent, self, aux) 208 struct device *parent, *self; 209 void *aux; 210 { 211 struct ne_pci_softc *psc = (struct ne_pci_softc *)self; 212 struct ne2000_softc *nsc = &psc->sc_ne2000; 213 struct dp8390_softc *dsc = &nsc->sc_dp8390; 214 struct pci_attach_args *pa = aux; 215 pci_chipset_tag_t pc = pa->pa_pc; 216 bus_space_tag_t nict; 217 bus_space_handle_t nich; 218 bus_space_tag_t asict; 219 bus_space_handle_t asich; 220 const char *intrstr; 221 const struct ne_pci_product *npp; 222 pci_intr_handle_t ih; 223 pcireg_t csr; 224 int *media, nmedia, defmedia; 225 226 npp = ne_pci_lookup(pa); 227 if (npp == NULL) { 228 printf("\n"); 229 panic("ne_pci_attach: impossible"); 230 } 231 232 printf(": %s Ethernet\n", npp->npp_name); 233 234 #ifdef IPKDB_NE_PCI 235 if (ne_pci_isipkdb(pc, pa->pa_tag)) { 236 nict = ipkdb_softc.sc_ne2000.sc_dp8390.sc_regt; 237 nich = ipkdb_softc.sc_ne2000.sc_dp8390.sc_regh; 238 ne_kip->port = nsc; 239 } else 240 #endif 241 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 242 &nict, &nich, NULL, NULL)) { 243 printf("%s: can't map i/o space\n", dsc->sc_dev.dv_xname); 244 return; 245 } 246 247 asict = nict; 248 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 249 NE2000_ASIC_NPORTS, &asich)) { 250 printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname); 251 return; 252 } 253 254 dsc->sc_regt = nict; 255 dsc->sc_regh = nich; 256 257 nsc->sc_asict = asict; 258 nsc->sc_asich = asich; 259 260 /* Enable the card. */ 261 csr = pci_conf_read(pc, pa->pa_tag, 262 PCI_COMMAND_STATUS_REG); 263 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 264 csr | PCI_COMMAND_MASTER_ENABLE); 265 266 /* This interface is always enabled. */ 267 dsc->sc_enabled = 1; 268 269 if (npp->npp_init_media != NULL) { 270 (*npp->npp_init_media)(dsc, &media, &nmedia, &defmedia); 271 dsc->sc_mediachange = npp->npp_mediachange; 272 dsc->sc_mediastatus = npp->npp_mediastatus; 273 } else { 274 media = NULL; 275 nmedia = 0; 276 defmedia = 0; 277 } 278 279 /* Always fill in init_card; it might be used for non-media stuff. */ 280 dsc->init_card = npp->npp_init_card; 281 282 /* 283 * Do generic NE2000 attach. This will read the station address 284 * from the EEPROM. 285 */ 286 ne2000_attach(nsc, NULL, media, nmedia, defmedia); 287 288 /* Map and establish the interrupt. */ 289 if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin, 290 pa->pa_intrline, &ih)) { 291 printf("%s: couldn't map interrupt\n", dsc->sc_dev.dv_xname); 292 return; 293 } 294 intrstr = pci_intr_string(pc, ih); 295 psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, dp8390_intr, dsc); 296 if (psc->sc_ih == NULL) { 297 printf("%s: couldn't establish interrupt", 298 dsc->sc_dev.dv_xname); 299 if (intrstr != NULL) 300 printf(" at %s", intrstr); 301 printf("\n"); 302 return; 303 } 304 printf("%s: interrupting at %s\n", dsc->sc_dev.dv_xname, intrstr); 305 } 306 307 #ifdef IPKDB_NE_PCI 308 static int 309 ne_pci_isipkdb(pc, tag) 310 pci_chipset_tag_t pc; 311 pcitag_t tag; 312 { 313 return !memcmp(&pc, &ipkdb_pc, sizeof pc) 314 && !memcmp(&tag, &ipkdb_tag, sizeof tag); 315 } 316 317 int 318 ne_pci_ipkdb_attach(kip, iot, pc, bus, dev) 319 struct ipkdb_if *kip; 320 bus_space_tag_t iot; 321 pci_chipset_tag_t pc; 322 int bus, dev; 323 { 324 struct pci_attach_args pa; 325 bus_space_tag_t nict, asict; 326 bus_space_handle_t nich, asich; 327 u_int32_t csr; 328 329 pa.pa_iot = iot; 330 pa.pa_pc = pc; 331 pa.pa_device = dev; 332 pa.pa_function = 0; 333 pa.pa_flags = PCI_FLAGS_IO_ENABLED; 334 pa.pa_tag = pci_make_tag(pc, bus, dev, /*func*/0); 335 pa.pa_id = pci_conf_read(pc, pa.pa_tag, PCI_ID_REG); 336 pa.pa_class = pci_conf_read(pc, pa.pa_tag, PCI_CLASS_REG); 337 if (ne_pci_lookup(&pa) == NULL) 338 return -1; 339 340 if (pci_mapreg_map(&pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 341 &nict, &nich, NULL, NULL)) 342 return -1; 343 344 asict = nict; 345 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 346 NE2000_ASIC_NPORTS, &asich)) { 347 bus_space_unmap(nict, nich, NE2000_NPORTS); 348 return -1; 349 } 350 351 /* Enable card */ 352 csr = pci_conf_read(pc, pa.pa_tag, PCI_COMMAND_STATUS_REG); 353 pci_conf_write(pc, pa.pa_tag, PCI_COMMAND_STATUS_REG, 354 csr | PCI_COMMAND_MASTER_ENABLE); 355 356 ipkdb_softc.sc_ne2000.sc_dp8390.sc_regt = nict; 357 ipkdb_softc.sc_ne2000.sc_dp8390.sc_regh = nich; 358 ipkdb_softc.sc_ne2000.sc_asict = asict; 359 ipkdb_softc.sc_ne2000.sc_asich = asich; 360 361 kip->port = &ipkdb_softc; 362 ipkdb_pc = pc; 363 ipkdb_tag = pa.pa_tag; 364 ne_kip = kip; 365 366 if (ne2000_ipkdb_attach(kip) < 0) { 367 bus_space_unmap(nict, nich, NE2000_NPORTS); 368 return -1; 369 } 370 371 return 0; 372 } 373 #endif 374
Indexes created Wed Oct 01 19:09:53 GMT 2025