1 /* $NetBSD: if_ne_pci.c,v 1.18 2001/02/12 18:49:05 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 #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_media_init) __P((struct dp8390_softc *)); 114 const char *npp_name; 115 } ne_pci_products[] = { 116 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8029, 117 rtl80x9_mediachange, rtl80x9_mediastatus, 118 rtl80x9_init_card, rtl80x9_media_init, 119 "RealTek 8029" }, 120 121 { PCI_VENDOR_WINBOND, PCI_PRODUCT_WINBOND_W89C940F, 122 NULL, NULL, 123 NULL, NULL, 124 "Winbond 89C940F" }, 125 126 { PCI_VENDOR_WINBOND, PCI_PRODUCT_WINBOND_W89C940F_1, 127 NULL, NULL, 128 NULL, NULL, 129 "Winbond 89C940F" }, 130 131 { PCI_VENDOR_VIATECH, PCI_PRODUCT_VIATECH_VT86C926, 132 NULL, NULL, 133 NULL, NULL, 134 "VIA Technologies VT86C926" }, 135 136 { PCI_VENDOR_SURECOM, PCI_PRODUCT_SURECOM_NE34, 137 NULL, NULL, 138 NULL, NULL, 139 "Surecom NE-34" }, 140 141 { PCI_VENDOR_NETVIN, PCI_PRODUCT_NETVIN_5000, 142 NULL, NULL, 143 NULL, NULL, 144 "NetVin 5000" }, 145 146 /* XXX The following entries need sanity checking in pcidevs */ 147 { PCI_VENDOR_COMPEX, PCI_PRODUCT_COMPEX_NE2KETHER, 148 NULL, NULL, 149 NULL, NULL, 150 "Compex" }, 151 152 { PCI_VENDOR_PROLAN, PCI_PRODUCT_PROLAN_NE2KETHER, 153 NULL, NULL, 154 NULL, NULL, 155 "ProLAN" }, 156 157 { PCI_VENDOR_KTI, PCI_PRODUCT_KTI_NE2KETHER, 158 NULL, NULL, 159 NULL, NULL, 160 "KTI" }, 161 162 { 0, 0, 163 NULL, NULL, 164 NULL, NULL, 165 NULL }, 166 }; 167 168 const struct ne_pci_product *ne_pci_lookup 169 __P((const struct pci_attach_args *)); 170 171 const struct ne_pci_product * 172 ne_pci_lookup(pa) 173 const struct pci_attach_args *pa; 174 { 175 const struct ne_pci_product *npp; 176 177 for (npp = ne_pci_products; npp->npp_name != NULL; npp++) { 178 if (PCI_VENDOR(pa->pa_id) == npp->npp_vendor && 179 PCI_PRODUCT(pa->pa_id) == npp->npp_product) 180 return (npp); 181 } 182 return (NULL); 183 } 184 185 /* 186 * PCI constants. 187 * XXX These should be in a common file! 188 */ 189 #define PCI_CBIO 0x10 /* Configuration Base IO Address */ 190 191 int 192 ne_pci_match(parent, match, aux) 193 struct device *parent; 194 struct cfdata *match; 195 void *aux; 196 { 197 struct pci_attach_args *pa = aux; 198 199 if (ne_pci_lookup(pa) != NULL) 200 return (1); 201 202 return (0); 203 } 204 205 void 206 ne_pci_attach(parent, self, aux) 207 struct device *parent, *self; 208 void *aux; 209 { 210 struct ne_pci_softc *psc = (struct ne_pci_softc *)self; 211 struct ne2000_softc *nsc = &psc->sc_ne2000; 212 struct dp8390_softc *dsc = &nsc->sc_dp8390; 213 struct pci_attach_args *pa = aux; 214 pci_chipset_tag_t pc = pa->pa_pc; 215 bus_space_tag_t nict; 216 bus_space_handle_t nich; 217 bus_space_tag_t asict; 218 bus_space_handle_t asich; 219 const char *intrstr; 220 const struct ne_pci_product *npp; 221 pci_intr_handle_t ih; 222 pcireg_t csr; 223 224 npp = ne_pci_lookup(pa); 225 if (npp == NULL) { 226 printf("\n"); 227 panic("ne_pci_attach: impossible"); 228 } 229 230 printf(": %s Ethernet\n", npp->npp_name); 231 232 #ifdef IPKDB_NE_PCI 233 if (ne_pci_isipkdb(pc, pa->pa_tag)) { 234 nict = ipkdb_softc.sc_ne2000.sc_dp8390.sc_regt; 235 nich = ipkdb_softc.sc_ne2000.sc_dp8390.sc_regh; 236 ne_kip->port = nsc; 237 } else 238 #endif 239 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 240 &nict, &nich, NULL, NULL)) { 241 printf("%s: can't map i/o space\n", dsc->sc_dev.dv_xname); 242 return; 243 } 244 245 asict = nict; 246 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 247 NE2000_ASIC_NPORTS, &asich)) { 248 printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname); 249 return; 250 } 251 252 dsc->sc_regt = nict; 253 dsc->sc_regh = nich; 254 255 nsc->sc_asict = asict; 256 nsc->sc_asich = asich; 257 258 /* Enable the card. */ 259 csr = pci_conf_read(pc, pa->pa_tag, 260 PCI_COMMAND_STATUS_REG); 261 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 262 csr | PCI_COMMAND_MASTER_ENABLE); 263 264 /* This interface is always enabled. */ 265 dsc->sc_enabled = 1; 266 267 dsc->sc_mediachange = npp->npp_mediachange; 268 dsc->sc_mediastatus = npp->npp_mediastatus; 269 dsc->sc_media_init = npp->npp_media_init; 270 dsc->init_card = npp->npp_init_card; 271 272 /* 273 * Do generic NE2000 attach. This will read the station address 274 * from the EEPROM. 275 */ 276 ne2000_attach(nsc, NULL); 277 278 /* Map and establish the interrupt. */ 279 if (pci_intr_map(pa, &ih)) { 280 printf("%s: couldn't map interrupt\n", dsc->sc_dev.dv_xname); 281 return; 282 } 283 intrstr = pci_intr_string(pc, ih); 284 psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, dp8390_intr, dsc); 285 if (psc->sc_ih == NULL) { 286 printf("%s: couldn't establish interrupt", 287 dsc->sc_dev.dv_xname); 288 if (intrstr != NULL) 289 printf(" at %s", intrstr); 290 printf("\n"); 291 return; 292 } 293 printf("%s: interrupting at %s\n", dsc->sc_dev.dv_xname, intrstr); 294 } 295 296 #ifdef IPKDB_NE_PCI 297 static int 298 ne_pci_isipkdb(pc, tag) 299 pci_chipset_tag_t pc; 300 pcitag_t tag; 301 { 302 return !memcmp(&pc, &ipkdb_pc, sizeof pc) 303 && !memcmp(&tag, &ipkdb_tag, sizeof tag); 304 } 305 306 int 307 ne_pci_ipkdb_attach(kip, iot, pc, bus, dev) 308 struct ipkdb_if *kip; 309 bus_space_tag_t iot; 310 pci_chipset_tag_t pc; 311 int bus, dev; 312 { 313 struct pci_attach_args pa; 314 bus_space_tag_t nict, asict; 315 bus_space_handle_t nich, asich; 316 u_int32_t csr; 317 318 pa.pa_iot = iot; 319 pa.pa_pc = pc; 320 pa.pa_device = dev; 321 pa.pa_function = 0; 322 pa.pa_flags = PCI_FLAGS_IO_ENABLED; 323 pa.pa_tag = pci_make_tag(pc, bus, dev, /*func*/0); 324 pa.pa_id = pci_conf_read(pc, pa.pa_tag, PCI_ID_REG); 325 pa.pa_class = pci_conf_read(pc, pa.pa_tag, PCI_CLASS_REG); 326 if (ne_pci_lookup(&pa) == NULL) 327 return -1; 328 329 if (pci_mapreg_map(&pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 330 &nict, &nich, NULL, NULL)) 331 return -1; 332 333 asict = nict; 334 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 335 NE2000_ASIC_NPORTS, &asich)) { 336 bus_space_unmap(nict, nich, NE2000_NPORTS); 337 return -1; 338 } 339 340 /* Enable card */ 341 csr = pci_conf_read(pc, pa.pa_tag, PCI_COMMAND_STATUS_REG); 342 pci_conf_write(pc, pa.pa_tag, PCI_COMMAND_STATUS_REG, 343 csr | PCI_COMMAND_MASTER_ENABLE); 344 345 ipkdb_softc.sc_ne2000.sc_dp8390.sc_regt = nict; 346 ipkdb_softc.sc_ne2000.sc_dp8390.sc_regh = nich; 347 ipkdb_softc.sc_ne2000.sc_asict = asict; 348 ipkdb_softc.sc_ne2000.sc_asich = asich; 349 350 kip->port = &ipkdb_softc; 351 ipkdb_pc = pc; 352 ipkdb_tag = pa.pa_tag; 353 ne_kip = kip; 354 355 if (ne2000_ipkdb_attach(kip) < 0) { 356 bus_space_unmap(nict, nich, NE2000_NPORTS); 357 return -1; 358 } 359 360 return 0; 361 } 362 #endif 363