if_ne_pci.c revision 1.11
1 /* $NetBSD: if_ne_pci.c,v 1.11 1998/10/28 00:15:54 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_inet.h" 41 #include "bpfilter.h" 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/mbuf.h> 46 #include <sys/syslog.h> 47 #include <sys/socket.h> 48 #include <sys/device.h> 49 50 #include <net/if.h> 51 #include <net/if_ether.h> 52 #include <net/if_media.h> 53 54 #ifdef INET 55 #include <netinet/in.h> 56 #include <netinet/if_inarp.h> 57 #endif 58 59 #include <machine/bus.h> 60 #include <machine/intr.h> 61 62 #include <dev/pci/pcireg.h> 63 #include <dev/pci/pcivar.h> 64 #include <dev/pci/pcidevs.h> 65 66 #include <dev/ic/dp8390reg.h> 67 #include <dev/ic/dp8390var.h> 68 69 #include <dev/ic/ne2000reg.h> 70 #include <dev/ic/ne2000var.h> 71 72 #include <dev/pci/if_ne_pcireg.h> 73 74 struct ne_pci_softc { 75 struct ne2000_softc sc_ne2000; /* real "ne2000" softc */ 76 77 /* PCI-specific goo */ 78 void *sc_ih; /* interrupt handle */ 79 }; 80 81 int ne_pci_match __P((struct device *, struct cfdata *, void *)); 82 void ne_pci_attach __P((struct device *, struct device *, void *)); 83 84 struct cfattach ne_pci_ca = { 85 sizeof(struct ne_pci_softc), ne_pci_match, ne_pci_attach 86 }; 87 88 /* 89 * RealTek 8029 media support 90 */ 91 int ne_pci_rtl8029_mediachange __P((struct dp8390_softc *)); 92 void ne_pci_rtl8029_mediastatus __P((struct dp8390_softc *, 93 struct ifmediareq *)); 94 void ne_pci_rtl8029_init_card __P((struct dp8390_softc *)); 95 void ne_pci_rtl8029_init_media __P((struct ne_pci_softc *, int **, 96 int *, int *)); 97 98 const struct ne_pci_product { 99 pci_vendor_id_t npp_vendor; 100 pci_product_id_t npp_product; 101 int (*npp_mediachange) __P((struct dp8390_softc *)); 102 void (*npp_mediastatus) __P((struct dp8390_softc *, 103 struct ifmediareq *)); 104 void (*npp_init_card) __P((struct dp8390_softc *)); 105 void (*npp_init_media) __P((struct ne_pci_softc *, int **, 106 int *, int *)); 107 const char *npp_name; 108 } ne_pci_products[] = { 109 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8029, 110 ne_pci_rtl8029_mediachange, ne_pci_rtl8029_mediastatus, 111 ne_pci_rtl8029_init_card, ne_pci_rtl8029_init_media, 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_VIATECH, PCI_PRODUCT_VIATECH_VT86C926, 120 NULL, NULL, 121 NULL, NULL, 122 "VIA Technologies VT86C926" }, 123 124 { PCI_VENDOR_SURECOM, PCI_PRODUCT_SURECOM_NE34, 125 NULL, NULL, 126 NULL, NULL, 127 "Surecom NE-34" }, 128 129 { PCI_VENDOR_NETVIN, PCI_PRODUCT_NETVIN_5000, 130 NULL, NULL, 131 NULL, NULL, 132 "NetVin 5000" }, 133 134 /* XXX The following entries need sanity checking in pcidevs */ 135 { PCI_VENDOR_COMPEX, PCI_PRODUCT_COMPEX_NE2KETHER, 136 NULL, NULL, 137 NULL, NULL, 138 "Compex" }, 139 140 { PCI_VENDOR_PROLAN, PCI_PRODUCT_PROLAN_NE2KETHER, 141 NULL, NULL, 142 NULL, NULL, 143 "ProLAN" }, 144 145 { PCI_VENDOR_KTI, PCI_PRODUCT_KTI_NE2KETHER, 146 NULL, NULL, 147 NULL, NULL, 148 "KTI" }, 149 150 { 0, 0, 151 NULL, NULL, 152 NULL, NULL, 153 NULL }, 154 }; 155 156 const struct ne_pci_product *ne_pci_lookup __P((struct pci_attach_args *)); 157 158 const struct ne_pci_product * 159 ne_pci_lookup(pa) 160 struct pci_attach_args *pa; 161 { 162 const struct ne_pci_product *npp; 163 164 for (npp = ne_pci_products; npp->npp_name != NULL; npp++) { 165 if (PCI_VENDOR(pa->pa_id) == npp->npp_vendor && 166 PCI_PRODUCT(pa->pa_id) == npp->npp_product) 167 return (npp); 168 } 169 return (NULL); 170 } 171 172 /* 173 * PCI constants. 174 * XXX These should be in a common file! 175 */ 176 #define PCI_CBIO 0x10 /* Configuration Base IO Address */ 177 178 int 179 ne_pci_match(parent, match, aux) 180 struct device *parent; 181 struct cfdata *match; 182 void *aux; 183 { 184 struct pci_attach_args *pa = aux; 185 186 if (ne_pci_lookup(pa) != NULL) 187 return (1); 188 189 return (0); 190 } 191 192 void 193 ne_pci_attach(parent, self, aux) 194 struct device *parent, *self; 195 void *aux; 196 { 197 struct ne_pci_softc *psc = (struct ne_pci_softc *)self; 198 struct ne2000_softc *nsc = &psc->sc_ne2000; 199 struct dp8390_softc *dsc = &nsc->sc_dp8390; 200 struct pci_attach_args *pa = aux; 201 pci_chipset_tag_t pc = pa->pa_pc; 202 bus_space_tag_t nict; 203 bus_space_handle_t nich; 204 bus_space_tag_t asict; 205 bus_space_handle_t asich; 206 const char *intrstr; 207 const struct ne_pci_product *npp; 208 pci_intr_handle_t ih; 209 pcireg_t csr; 210 int *media, nmedia, defmedia; 211 212 npp = ne_pci_lookup(pa); 213 if (npp == NULL) { 214 printf("\n"); 215 panic("ne_pci_attach: impossible"); 216 } 217 218 printf(": %s Ethernet\n", npp->npp_name); 219 220 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 221 &nict, &nich, NULL, NULL)) { 222 printf("%s: can't map i/o space\n", dsc->sc_dev.dv_xname); 223 return; 224 } 225 226 asict = nict; 227 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 228 NE2000_ASIC_NPORTS, &asich)) { 229 printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname); 230 return; 231 } 232 233 dsc->sc_regt = nict; 234 dsc->sc_regh = nich; 235 236 nsc->sc_asict = asict; 237 nsc->sc_asich = asich; 238 239 /* Enable the card. */ 240 csr = pci_conf_read(pc, pa->pa_tag, 241 PCI_COMMAND_STATUS_REG); 242 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 243 csr | PCI_COMMAND_MASTER_ENABLE); 244 245 /* This interface is always enabled. */ 246 dsc->sc_enabled = 1; 247 248 if (npp->npp_init_media != NULL) { 249 (*npp->npp_init_media)(psc, &media, &nmedia, &defmedia); 250 dsc->sc_mediachange = npp->npp_mediachange; 251 dsc->sc_mediastatus = npp->npp_mediastatus; 252 } else { 253 media = NULL; 254 nmedia = 0; 255 defmedia = 0; 256 } 257 258 /* Always fill in init_card; it might be used for non-media stuff. */ 259 dsc->init_card = npp->npp_init_card; 260 261 /* 262 * Do generic NE2000 attach. This will read the station address 263 * from the EEPROM. 264 */ 265 ne2000_attach(nsc, NULL, media, nmedia, defmedia); 266 267 /* Map and establish the interrupt. */ 268 if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin, 269 pa->pa_intrline, &ih)) { 270 printf("%s: couldn't map interrupt\n", dsc->sc_dev.dv_xname); 271 return; 272 } 273 intrstr = pci_intr_string(pc, ih); 274 psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, dp8390_intr, dsc); 275 if (psc->sc_ih == NULL) { 276 printf("%s: couldn't establish interrupt", 277 dsc->sc_dev.dv_xname); 278 if (intrstr != NULL) 279 printf(" at %s", intrstr); 280 printf("\n"); 281 return; 282 } 283 printf("%s: interrupting at %s\n", dsc->sc_dev.dv_xname, intrstr); 284 } 285 286 /* 287 * RealTek 8029 media support 288 */ 289 290 int 291 ne_pci_rtl8029_mediachange(dsc) 292 struct dp8390_softc *dsc; 293 { 294 295 /* 296 * Current media is already set up. Just reset the interface 297 * to let the new value take hold. The new media will be 298 * set up in ne_pci_rtl8029_init_card() called via dp8390_init(). 299 */ 300 dp8390_reset(dsc); 301 return (0); 302 } 303 304 void 305 ne_pci_rtl8029_mediastatus(sc, ifmr) 306 struct dp8390_softc *sc; 307 struct ifmediareq *ifmr; 308 { 309 struct ifnet *ifp = &sc->sc_ec.ec_if; 310 u_int8_t cr_proto = sc->cr_proto | 311 ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP); 312 313 /* 314 * Sigh, can detect which media is being used, but can't 315 * detect if we have link or not. 316 */ 317 318 /* Set NIC to page 3 registers. */ 319 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3); 320 321 if (NIC_GET(sc->sc_regt, sc->sc_regh, NEPCI_RTL3_CONFIG0) & 322 RTL3_CONFIG0_BNC) 323 ifmr->ifm_active = IFM_ETHER|IFM_10_2; 324 else { 325 ifmr->ifm_active = IFM_ETHER|IFM_10_T; 326 if (NIC_GET(sc->sc_regt, sc->sc_regh, NEPCI_RTL3_CONFIG3) & 327 RTL3_CONFIG3_FUDUP) 328 ifmr->ifm_active |= IFM_FDX; 329 } 330 331 /* Set NIC to page 0 registers. */ 332 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0); 333 } 334 335 void 336 ne_pci_rtl8029_init_card(sc) 337 struct dp8390_softc *sc; 338 { 339 struct ifmedia *ifm = &sc->sc_media; 340 struct ifnet *ifp = &sc->sc_ec.ec_if; 341 u_int8_t cr_proto = sc->cr_proto | 342 ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP); 343 u_int8_t reg; 344 345 /* Set NIC to page 3 registers. */ 346 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3); 347 348 /* First, set basic media type. */ 349 reg = NIC_GET(sc->sc_regt, sc->sc_regh, NEPCI_RTL3_CONFIG2); 350 reg &= ~(RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0); 351 switch (IFM_SUBTYPE(ifm->ifm_cur->ifm_media)) { 352 case IFM_AUTO: 353 /* Nothing to do; both bits clear == auto-detect. */ 354 break; 355 356 case IFM_10_T: 357 reg |= RTL3_CONFIG2_PL0; 358 break; 359 360 case IFM_10_2: 361 reg |= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0; 362 break; 363 } 364 NIC_PUT(sc->sc_regt, sc->sc_regh, NEPCI_RTL3_CONFIG2, reg); 365 366 /* Now, set duplex mode. */ 367 reg = NIC_GET(sc->sc_regt, sc->sc_regh, NEPCI_RTL3_CONFIG3); 368 if (ifm->ifm_cur->ifm_media & IFM_FDX) 369 reg |= RTL3_CONFIG3_FUDUP; 370 else 371 reg &= ~RTL3_CONFIG3_FUDUP; 372 NIC_PUT(sc->sc_regt, sc->sc_regh, NEPCI_RTL3_CONFIG3, reg); 373 374 /* Set NIC to page 0 registers. */ 375 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0); 376 } 377 378 void 379 ne_pci_rtl8029_init_media(psc, mediap, nmediap, defmediap) 380 struct ne_pci_softc *psc; 381 int **mediap, *nmediap, *defmediap; 382 { 383 static int rtl8029_media[] = { 384 IFM_ETHER|IFM_AUTO, 385 IFM_ETHER|IFM_10_T, 386 IFM_ETHER|IFM_10_T|IFM_FDX, 387 IFM_ETHER|IFM_10_2, 388 }; 389 390 printf("%s: 10base2, 10baseT, 10baseT-FDX, auto, default auto\n", 391 psc->sc_ne2000.sc_dp8390.sc_dev.dv_xname); 392 393 *mediap = rtl8029_media; 394 *nmediap = sizeof(rtl8029_media) / sizeof(rtl8029_media[0]); 395 *defmediap = IFM_ETHER|IFM_AUTO; 396 } 397
Indexes created Wed Oct 01 19:09:53 GMT 2025