1 /* $NetBSD: if_ne_pci.c,v 1.21 2001/11/13 07:48:44 lukem 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 <sys/cdefs.h> 41 __KERNEL_RCSID(0, "$NetBSD: if_ne_pci.c,v 1.21 2001/11/13 07:48:44 lukem Exp $"); 42 43 #include "opt_ipkdb.h" 44 45 #include <sys/param.h> 46 #include <sys/systm.h> 47 #include <sys/mbuf.h> 48 #include <sys/syslog.h> 49 #include <sys/socket.h> 50 #include <sys/device.h> 51 52 #include <net/if.h> 53 #include <net/if_ether.h> 54 #include <net/if_media.h> 55 56 #include <machine/bus.h> 57 #include <machine/intr.h> 58 59 #ifdef IPKDB_NE_PCI 60 #include <ipkdb/ipkdb.h> 61 #endif 62 63 #include <dev/pci/pcireg.h> 64 #include <dev/pci/pcivar.h> 65 #include <dev/pci/pcidevs.h> 66 67 #include <dev/ic/dp8390reg.h> 68 #include <dev/ic/dp8390var.h> 69 70 #include <dev/ic/ne2000reg.h> 71 #include <dev/ic/ne2000var.h> 72 73 #include <dev/ic/rtl80x9reg.h> 74 #include <dev/ic/rtl80x9var.h> 75 76 struct ne_pci_softc { 77 struct ne2000_softc sc_ne2000; /* real "ne2000" softc */ 78 79 /* PCI-specific goo */ 80 void *sc_ih; /* interrupt handle */ 81 }; 82 83 int ne_pci_match __P((struct device *, struct cfdata *, void *)); 84 void ne_pci_attach __P((struct device *, struct device *, void *)); 85 86 struct cfattach ne_pci_ca = { 87 sizeof(struct ne_pci_softc), ne_pci_match, ne_pci_attach 88 }; 89 90 #ifdef IPKDB_NE_PCI 91 static struct ne_pci_softc ipkdb_softc; 92 static pci_chipset_tag_t ipkdb_pc; 93 static pcitag_t ipkdb_tag; 94 static struct ipkdb_if *ne_kip; 95 96 int ne_pci_ipkdb_attach __P((struct ipkdb_if *, bus_space_tag_t, /* XXX */ 97 pci_chipset_tag_t, int, int)); 98 99 static int ne_pci_isipkdb __P((pci_chipset_tag_t, pcitag_t)); 100 #endif 101 102 const struct ne_pci_product { 103 pci_vendor_id_t npp_vendor; 104 pci_product_id_t npp_product; 105 int (*npp_mediachange) __P((struct dp8390_softc *)); 106 void (*npp_mediastatus) __P((struct dp8390_softc *, 107 struct ifmediareq *)); 108 void (*npp_init_card) __P((struct dp8390_softc *)); 109 void (*npp_media_init) __P((struct dp8390_softc *)); 110 const char *npp_name; 111 } ne_pci_products[] = { 112 { PCI_VENDOR_REALTEK, PCI_PRODUCT_REALTEK_RT8029, 113 rtl80x9_mediachange, rtl80x9_mediastatus, 114 rtl80x9_init_card, rtl80x9_media_init, 115 "RealTek 8029" }, 116 117 { PCI_VENDOR_WINBOND, PCI_PRODUCT_WINBOND_W89C940F, 118 NULL, NULL, 119 NULL, NULL, 120 "Winbond 89C940F" }, 121 122 { PCI_VENDOR_WINBOND, PCI_PRODUCT_WINBOND_W89C940F_1, 123 NULL, NULL, 124 NULL, NULL, 125 "Winbond 89C940F" }, 126 127 { PCI_VENDOR_VIATECH, PCI_PRODUCT_VIATECH_VT86C926, 128 NULL, NULL, 129 NULL, NULL, 130 "VIA Technologies VT86C926" }, 131 132 { PCI_VENDOR_SURECOM, PCI_PRODUCT_SURECOM_NE34, 133 NULL, NULL, 134 NULL, NULL, 135 "Surecom NE-34" }, 136 137 { PCI_VENDOR_NETVIN, PCI_PRODUCT_NETVIN_5000, 138 NULL, NULL, 139 NULL, NULL, 140 "NetVin 5000" }, 141 142 /* XXX The following entries need sanity checking in pcidevs */ 143 { PCI_VENDOR_COMPEX, PCI_PRODUCT_COMPEX_NE2KETHER, 144 NULL, NULL, 145 NULL, NULL, 146 "Compex" }, 147 148 { PCI_VENDOR_PROLAN, PCI_PRODUCT_PROLAN_NE2KETHER, 149 NULL, NULL, 150 NULL, NULL, 151 "ProLAN" }, 152 153 { PCI_VENDOR_KTI, PCI_PRODUCT_KTI_NE2KETHER, 154 NULL, NULL, 155 NULL, NULL, 156 "KTI" }, 157 158 { 0, 0, 159 NULL, NULL, 160 NULL, NULL, 161 NULL }, 162 }; 163 164 const struct ne_pci_product *ne_pci_lookup 165 __P((const struct pci_attach_args *)); 166 167 const struct ne_pci_product * 168 ne_pci_lookup(pa) 169 const struct pci_attach_args *pa; 170 { 171 const struct ne_pci_product *npp; 172 173 for (npp = ne_pci_products; npp->npp_name != NULL; npp++) { 174 if (PCI_VENDOR(pa->pa_id) == npp->npp_vendor && 175 PCI_PRODUCT(pa->pa_id) == npp->npp_product) 176 return (npp); 177 } 178 return (NULL); 179 } 180 181 /* 182 * PCI constants. 183 * XXX These should be in a common file! 184 */ 185 #define PCI_CBIO 0x10 /* Configuration Base IO Address */ 186 187 int 188 ne_pci_match(parent, match, aux) 189 struct device *parent; 190 struct cfdata *match; 191 void *aux; 192 { 193 struct pci_attach_args *pa = aux; 194 195 if (ne_pci_lookup(pa) != NULL) 196 return (1); 197 198 return (0); 199 } 200 201 void 202 ne_pci_attach(parent, self, aux) 203 struct device *parent, *self; 204 void *aux; 205 { 206 struct ne_pci_softc *psc = (struct ne_pci_softc *)self; 207 struct ne2000_softc *nsc = &psc->sc_ne2000; 208 struct dp8390_softc *dsc = &nsc->sc_dp8390; 209 struct pci_attach_args *pa = aux; 210 pci_chipset_tag_t pc = pa->pa_pc; 211 bus_space_tag_t nict; 212 bus_space_handle_t nich; 213 bus_space_tag_t asict; 214 bus_space_handle_t asich; 215 const char *intrstr; 216 const struct ne_pci_product *npp; 217 pci_intr_handle_t ih; 218 pcireg_t csr; 219 220 npp = ne_pci_lookup(pa); 221 if (npp == NULL) { 222 printf("\n"); 223 panic("ne_pci_attach: impossible"); 224 } 225 226 printf(": %s Ethernet\n", npp->npp_name); 227 228 #ifdef IPKDB_NE_PCI 229 if (ne_pci_isipkdb(pc, pa->pa_tag)) { 230 nict = ipkdb_softc.sc_ne2000.sc_dp8390.sc_regt; 231 nich = ipkdb_softc.sc_ne2000.sc_dp8390.sc_regh; 232 ne_kip->port = nsc; 233 } else 234 #endif 235 if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 236 &nict, &nich, NULL, NULL)) { 237 printf("%s: can't map i/o space\n", dsc->sc_dev.dv_xname); 238 return; 239 } 240 241 asict = nict; 242 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 243 NE2000_ASIC_NPORTS, &asich)) { 244 printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname); 245 return; 246 } 247 248 dsc->sc_regt = nict; 249 dsc->sc_regh = nich; 250 251 nsc->sc_asict = asict; 252 nsc->sc_asich = asich; 253 254 /* Enable the card. */ 255 csr = pci_conf_read(pc, pa->pa_tag, 256 PCI_COMMAND_STATUS_REG); 257 pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 258 csr | PCI_COMMAND_MASTER_ENABLE); 259 260 /* This interface is always enabled. */ 261 dsc->sc_enabled = 1; 262 263 dsc->sc_mediachange = npp->npp_mediachange; 264 dsc->sc_mediastatus = npp->npp_mediastatus; 265 dsc->sc_media_init = npp->npp_media_init; 266 dsc->init_card = npp->npp_init_card; 267 268 /* 269 * Do generic NE2000 attach. This will read the station address 270 * from the EEPROM. 271 */ 272 ne2000_attach(nsc, NULL); 273 274 /* Map and establish the interrupt. */ 275 if (pci_intr_map(pa, &ih)) { 276 printf("%s: couldn't map interrupt\n", dsc->sc_dev.dv_xname); 277 return; 278 } 279 intrstr = pci_intr_string(pc, ih); 280 psc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, dp8390_intr, dsc); 281 if (psc->sc_ih == NULL) { 282 printf("%s: couldn't establish interrupt", 283 dsc->sc_dev.dv_xname); 284 if (intrstr != NULL) 285 printf(" at %s", intrstr); 286 printf("\n"); 287 return; 288 } 289 printf("%s: interrupting at %s\n", dsc->sc_dev.dv_xname, intrstr); 290 } 291 292 #ifdef IPKDB_NE_PCI 293 static int 294 ne_pci_isipkdb(pc, tag) 295 pci_chipset_tag_t pc; 296 pcitag_t tag; 297 { 298 return !memcmp(&pc, &ipkdb_pc, sizeof pc) 299 && !memcmp(&tag, &ipkdb_tag, sizeof tag); 300 } 301 302 int 303 ne_pci_ipkdb_attach(kip, iot, pc, bus, dev) 304 struct ipkdb_if *kip; 305 bus_space_tag_t iot; 306 pci_chipset_tag_t pc; 307 int bus, dev; 308 { 309 struct pci_attach_args pa; 310 bus_space_tag_t nict, asict; 311 bus_space_handle_t nich, asich; 312 u_int32_t csr; 313 314 pa.pa_iot = iot; 315 pa.pa_pc = pc; 316 pa.pa_device = dev; 317 pa.pa_function = 0; 318 pa.pa_flags = PCI_FLAGS_IO_ENABLED; 319 pa.pa_tag = pci_make_tag(pc, bus, dev, /*func*/0); 320 pa.pa_id = pci_conf_read(pc, pa.pa_tag, PCI_ID_REG); 321 pa.pa_class = pci_conf_read(pc, pa.pa_tag, PCI_CLASS_REG); 322 if (ne_pci_lookup(&pa) == NULL) 323 return -1; 324 325 if (pci_mapreg_map(&pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 326 &nict, &nich, NULL, NULL)) 327 return -1; 328 329 asict = nict; 330 if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, 331 NE2000_ASIC_NPORTS, &asich)) { 332 bus_space_unmap(nict, nich, NE2000_NPORTS); 333 return -1; 334 } 335 336 /* Enable card */ 337 csr = pci_conf_read(pc, pa.pa_tag, PCI_COMMAND_STATUS_REG); 338 pci_conf_write(pc, pa.pa_tag, PCI_COMMAND_STATUS_REG, 339 csr | PCI_COMMAND_MASTER_ENABLE); 340 341 ipkdb_softc.sc_ne2000.sc_dp8390.sc_regt = nict; 342 ipkdb_softc.sc_ne2000.sc_dp8390.sc_regh = nich; 343 ipkdb_softc.sc_ne2000.sc_asict = asict; 344 ipkdb_softc.sc_ne2000.sc_asich = asich; 345 346 kip->port = &ipkdb_softc; 347 ipkdb_pc = pc; 348 ipkdb_tag = pa.pa_tag; 349 ne_kip = kip; 350 351 if (ne2000_ipkdb_attach(kip) < 0) { 352 bus_space_unmap(nict, nich, NE2000_NPORTS); 353 return -1; 354 } 355 356 return 0; 357 } 358 #endif 359