if_rtk_cardbus.c revision 1.14
1 /* $NetBSD: if_rtk_cardbus.c,v 1.14 2003/02/01 07:50:38 ichiro Exp $ */ 2 3 /* 4 * Copyright (c) 2000 Masanori Kanaoka 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 /* 31 * if_rtk_cardbus.c: 32 * Cardbus specific routines for RealTek 8139 ethernet adapter. 33 * Tested for 34 * - elecom-Laneed LD-10/100CBA (Accton MPX5030) 35 * - MELCO LPC3-TX-CB (RealTek 8139) 36 */ 37 38 #include <sys/cdefs.h> 39 __KERNEL_RCSID(0, "$NetBSD: if_rtk_cardbus.c,v 1.14 2003/02/01 07:50:38 ichiro Exp $"); 40 41 #include "opt_inet.h" 42 #include "opt_ns.h" 43 #include "bpfilter.h" 44 #include "rnd.h" 45 46 #include <sys/param.h> 47 #include <sys/systm.h> 48 #include <sys/callout.h> 49 #include <sys/device.h> 50 #include <sys/sockio.h> 51 #include <sys/mbuf.h> 52 #include <sys/malloc.h> 53 #include <sys/kernel.h> 54 #include <sys/socket.h> 55 56 #include <net/if.h> 57 #include <net/if_arp.h> 58 #include <net/if_ether.h> 59 #include <net/if_dl.h> 60 #include <net/if_media.h> 61 #ifdef INET 62 #include <netinet/in.h> 63 #include <netinet/if_inarp.h> 64 #endif 65 #ifdef NS 66 #include <netns/ns.h> 67 #include <netns/ns_if.h> 68 #endif 69 70 #if NBPFILTER > 0 71 #include <net/bpf.h> 72 #endif 73 #if NRND > 0 74 #include <sys/rnd.h> 75 #endif 76 77 #include <machine/bus.h> 78 79 #include <dev/pci/pcireg.h> 80 #include <dev/pci/pcivar.h> 81 #include <dev/pci/pcidevs.h> 82 83 #include <dev/cardbus/cardbusvar.h> 84 #include <dev/cardbus/cardbusdevs.h> 85 86 #include <dev/mii/mii.h> 87 #include <dev/mii/miivar.h> 88 89 /* 90 * Default to using PIO access for this driver. On SMP systems, 91 * there appear to be problems with memory mapped mode: it looks like 92 * doing too many memory mapped access back to back in rapid succession 93 * can hang the bus. I'm inclined to blame this on crummy design/construction 94 * on the part of RealTek. Memory mapped mode does appear to work on 95 * uniprocessor systems though. 96 */ 97 #define RTK_USEIOSPACE 98 99 #include <dev/ic/rtl81x9reg.h> 100 #include <dev/ic/rtl81x9var.h> 101 102 /* 103 * Various supported device vendors/types and their names. 104 */ 105 static const struct rtk_type rtk_cardbus_devs[] = { 106 { CARDBUS_VENDOR_ACCTON, CARDBUS_PRODUCT_ACCTON_MPX5030, 107 "Accton MPX 5030/5038 10/100BaseTX", 108 RTK_8139 }, 109 { CARDBUS_VENDOR_DLINK, CARDBUS_PRODUCT_DLINK_DFE_690TXD, 110 "D-Link DFE-690TXD 10/100BaseTX", RTK_8139 }, 111 { CARDBUS_VENDOR_REALTEK, CARDBUS_PRODUCT_REALTEK_RT8138, 112 "RealTek 8138 10/100BaseTX", RTK_8139 }, 113 { CARDBUS_VENDOR_REALTEK, CARDBUS_PRODUCT_REALTEK_RT8139, 114 "RealTek 8139 10/100BaseTX", RTK_8139 }, 115 { CARDBUS_VENDOR_COREGA, CARDBUS_PRODUCT_COREGA_CB_TXD, 116 "Corega FEther CB-TXD 10/100BaseTX", RTK_8139 }, 117 { CARDBUS_VENDOR_PLANEX, CARDBUS_PRODUCT_PLANEX_FNW_3603_TX, 118 "Planex FNW-3603 10/100BaseTX", RTK_8139 }, 119 { CARDBUS_VENDOR_ABOCOM, CARDBUS_PRODUCT_ABOCOM_FE2000VX, 120 "AboCom FE2000VX 10/100BaseTX", RTK_8139 }, 121 122 { 0, 0, NULL, 0 } 123 }; 124 125 static int rtk_cardbus_match __P((struct device *, struct cfdata *, void *)); 126 static void rtk_cardbus_attach __P((struct device *, struct device *, void *)); 127 static int rtk_cardbus_detach __P((struct device *, int)); 128 129 struct rtk_cardbus_softc { 130 struct rtk_softc sc_rtk; /* real rtk softc */ 131 132 /* CardBus-specific goo. */ 133 void *sc_ih; 134 cardbus_devfunc_t sc_ct; 135 cardbustag_t sc_tag; 136 int sc_csr; 137 int sc_cben; 138 int sc_bar_reg; 139 pcireg_t sc_bar_val; 140 bus_size_t sc_mapsize; 141 int sc_intrline; 142 }; 143 144 CFATTACH_DECL(rtk_cardbus, sizeof(struct rtk_cardbus_softc), 145 rtk_cardbus_match, rtk_cardbus_attach, rtk_cardbus_detach, rtk_activate); 146 147 const struct rtk_type *rtk_cardbus_lookup 148 __P((const struct cardbus_attach_args *)); 149 150 void rtk_cardbus_setup __P((struct rtk_cardbus_softc *)); 151 152 int rtk_cardbus_enable __P((struct rtk_softc *)); 153 void rtk_cardbus_disable __P((struct rtk_softc *)); 154 void rtk_cardbus_power __P((struct rtk_softc *, int)); 155 const struct rtk_type * 156 rtk_cardbus_lookup(ca) 157 const struct cardbus_attach_args *ca; 158 { 159 const struct rtk_type *t; 160 161 for (t = rtk_cardbus_devs; t->rtk_name != NULL; t++){ 162 if (CARDBUS_VENDOR(ca->ca_id) == t->rtk_vid && 163 CARDBUS_PRODUCT(ca->ca_id) == t->rtk_did) { 164 return (t); 165 } 166 } 167 return (NULL); 168 } 169 170 int 171 rtk_cardbus_match(parent, match, aux) 172 struct device *parent; 173 struct cfdata *match; 174 void *aux; 175 { 176 struct cardbus_attach_args *ca = aux; 177 178 if (rtk_cardbus_lookup(ca) != NULL) 179 return (1); 180 181 return (0); 182 } 183 184 185 void 186 rtk_cardbus_attach(parent, self, aux) 187 struct device *parent, *self; 188 void *aux; 189 { 190 struct rtk_cardbus_softc *csc = (struct rtk_cardbus_softc *)self; 191 struct rtk_softc *sc = &csc->sc_rtk; 192 struct cardbus_attach_args *ca = aux; 193 cardbus_devfunc_t ct = ca->ca_ct; 194 const struct rtk_type *t; 195 bus_addr_t adr; 196 197 sc->sc_dmat = ca->ca_dmat; 198 csc->sc_ct = ct; 199 csc->sc_tag = ca->ca_tag; 200 csc->sc_intrline = ca->ca_intrline; 201 202 t = rtk_cardbus_lookup(ca); 203 if (t == NULL) { 204 printf("\n"); 205 panic("rtk_cardbus_attach: impossible"); 206 } 207 printf(": %s\n", t->rtk_name); 208 209 /* 210 * Power management hooks. 211 */ 212 sc->sc_enable = rtk_cardbus_enable; 213 sc->sc_disable = rtk_cardbus_disable; 214 sc->sc_power = rtk_cardbus_power; 215 216 /* 217 * Map control/status registers. 218 */ 219 csc->sc_csr = CARDBUS_COMMAND_MASTER_ENABLE; 220 #ifdef RTK_USEIOSPACE 221 if (Cardbus_mapreg_map(ct, RTK_PCI_LOIO, CARDBUS_MAPREG_TYPE_IO, 0, 222 &sc->rtk_btag, &sc->rtk_bhandle, &adr, &csc->sc_mapsize) == 0) { 223 #if rbus 224 #else 225 (*ct->ct_cf->cardbus_io_open)(cc, 0, adr, adr+csc->sc_mapsize); 226 #endif 227 csc->sc_cben = CARDBUS_IO_ENABLE; 228 csc->sc_csr |= CARDBUS_COMMAND_IO_ENABLE; 229 csc->sc_bar_reg = RTK_PCI_LOIO; 230 csc->sc_bar_val = adr | CARDBUS_MAPREG_TYPE_IO; 231 } 232 #else 233 if (Cardbus_mapreg_map(ct, RTK_PCI_LOMEM, CARDBUS_MAPREG_TYPE_MEM, 0, 234 &sc->rtk_btag, &sc->rtk_bhandle, &adr, &csc->sc_mapsize) == 0) { 235 #if rbus 236 #else 237 (*ct->ct_cf->cardbus_mem_open)(cc, 0, adr, adr+csc->sc_mapsize); 238 #endif 239 csc->sc_cben = CARDBUS_MEM_ENABLE; 240 csc->sc_csr |= CARDBUS_COMMAND_MEM_ENABLE; 241 csc->sc_bar_reg = RTK_PCI_LOMEM; 242 csc->sc_bar_val = adr | CARDBUS_MAPREG_TYPE_MEM; 243 } 244 #endif 245 else { 246 printf("%s: unable to map deviceregisters\n", 247 sc->sc_dev.dv_xname); 248 return; 249 } 250 /* 251 * Handle power management nonsense and initialize the 252 * configuration registers. 253 */ 254 rtk_cardbus_setup(csc); 255 sc->rtk_type = t->rtk_type; 256 257 rtk_attach(sc); 258 259 /* 260 * Power down the socket. 261 */ 262 Cardbus_function_disable(csc->sc_ct); 263 } 264 265 int 266 rtk_cardbus_detach(self, flags) 267 struct device *self; 268 int flags; 269 { 270 struct rtk_cardbus_softc *csc = (void *) self; 271 struct rtk_softc *sc = &csc->sc_rtk; 272 struct cardbus_devfunc *ct = csc->sc_ct; 273 int rv; 274 275 #ifdef DIAGNOSTIC 276 if (ct == NULL) 277 panic("%s: data structure lacks", sc->sc_dev.dv_xname); 278 #endif 279 rv = rtk_detach(sc); 280 if (rv) 281 return (rv); 282 /* 283 * Unhook the interrut handler. 284 */ 285 if (csc->sc_ih != NULL) 286 cardbus_intr_disestablish(ct->ct_cc, ct->ct_cf, csc->sc_ih); 287 288 /* 289 * Release bus space and close window. 290 */ 291 if (csc->sc_bar_reg != 0) 292 Cardbus_mapreg_unmap(ct, csc->sc_bar_reg, 293 sc->rtk_btag, sc->rtk_bhandle, csc->sc_mapsize); 294 295 return (0); 296 } 297 298 void 299 rtk_cardbus_setup(csc) 300 struct rtk_cardbus_softc *csc; 301 { 302 struct rtk_softc *sc = &csc->sc_rtk; 303 cardbus_devfunc_t ct = csc->sc_ct; 304 cardbus_chipset_tag_t cc = ct->ct_cc; 305 cardbus_function_tag_t cf = ct->ct_cf; 306 pcireg_t reg,command; 307 int pmreg; 308 309 /* 310 * Handle power management nonsense. 311 */ 312 if (cardbus_get_capability(cc, cf, csc->sc_tag, 313 PCI_CAP_PWRMGMT, &pmreg, 0)) { 314 command = cardbus_conf_read(cc, cf, csc->sc_tag, pmreg + 4); 315 if (command & RTK_PSTATE_MASK) { 316 pcireg_t iobase, membase, irq; 317 318 /* Save important PCI config data. */ 319 iobase = cardbus_conf_read(cc, cf, csc->sc_tag, 320 RTK_PCI_LOIO); 321 membase = cardbus_conf_read(cc, cf,csc->sc_tag, 322 RTK_PCI_LOMEM); 323 irq = cardbus_conf_read(cc, cf,csc->sc_tag, 324 CARDBUS_INTERRUPT_REG); 325 326 /* Reset the power state. */ 327 printf("%s: chip is in D%d power mode " 328 "-- setting to D0\n", sc->sc_dev.dv_xname, 329 command & RTK_PSTATE_MASK); 330 command &= 0xFFFFFFFC; 331 cardbus_conf_write(cc, cf, csc->sc_tag, 332 pmreg + 4, command); 333 334 /* Restore PCI config data. */ 335 cardbus_conf_write(cc, cf, csc->sc_tag, 336 RTK_PCI_LOIO, iobase); 337 cardbus_conf_write(cc, cf, csc->sc_tag, 338 RTK_PCI_LOMEM, membase); 339 cardbus_conf_write(cc, cf, csc->sc_tag, 340 CARDBUS_INTERRUPT_REG, irq); 341 } 342 } 343 344 /* Make sure the right access type is on the CardBus bridge. */ 345 (*ct->ct_cf->cardbus_ctrl)(cc, csc->sc_cben); 346 (*ct->ct_cf->cardbus_ctrl)(cc, CARDBUS_BM_ENABLE); 347 348 /* Program the BAR */ 349 cardbus_conf_write(cc, cf, csc->sc_tag, 350 csc->sc_bar_reg, csc->sc_bar_val); 351 352 /* Enable the appropriate bits in the CARDBUS CSR. */ 353 reg = cardbus_conf_read(cc, cf, csc->sc_tag, 354 CARDBUS_COMMAND_STATUS_REG); 355 reg &= ~(CARDBUS_COMMAND_IO_ENABLE|CARDBUS_COMMAND_MEM_ENABLE); 356 reg |= csc->sc_csr; 357 cardbus_conf_write(cc, cf, csc->sc_tag, 358 CARDBUS_COMMAND_STATUS_REG, reg); 359 360 /* 361 * Make sure the latency timer is set to some reasonable 362 * value. 363 */ 364 reg = cardbus_conf_read(cc, cf, csc->sc_tag, CARDBUS_BHLC_REG); 365 if (CARDBUS_LATTIMER(reg) < 0x20) { 366 reg &= ~(CARDBUS_LATTIMER_MASK << CARDBUS_LATTIMER_SHIFT); 367 reg |= (0x20 << CARDBUS_LATTIMER_SHIFT); 368 cardbus_conf_write(cc, cf, csc->sc_tag, CARDBUS_BHLC_REG, reg); 369 } 370 } 371 372 int 373 rtk_cardbus_enable(sc) 374 struct rtk_softc *sc; 375 { 376 struct rtk_cardbus_softc *csc = (void *) sc; 377 cardbus_devfunc_t ct = csc->sc_ct; 378 cardbus_chipset_tag_t cc = ct->ct_cc; 379 cardbus_function_tag_t cf = ct->ct_cf; 380 381 /* 382 * Power on the socket. 383 */ 384 Cardbus_function_enable(ct); 385 386 /* 387 * Set up the PCI configuration registers. 388 */ 389 rtk_cardbus_setup(csc); 390 391 /* 392 * Map and establish the interrupt. 393 */ 394 csc->sc_ih = cardbus_intr_establish(cc, cf, csc->sc_intrline, 395 IPL_NET, rtk_intr, sc); 396 if (csc->sc_ih == NULL) { 397 printf("%s: unable to establish interrupt at %d\n", 398 sc->sc_dev.dv_xname, csc->sc_intrline); 399 Cardbus_function_disable(csc->sc_ct); 400 return (1); 401 } 402 printf("%s: interrupting at %d\n", sc->sc_dev.dv_xname, 403 csc->sc_intrline); 404 return (0); 405 } 406 407 void 408 rtk_cardbus_disable(sc) 409 struct rtk_softc *sc; 410 { 411 struct rtk_cardbus_softc *csc = (void *) sc; 412 cardbus_devfunc_t ct = csc->sc_ct; 413 cardbus_chipset_tag_t cc = ct->ct_cc; 414 cardbus_function_tag_t cf = ct->ct_cf; 415 416 /* Unhook the interrupt handler. */ 417 cardbus_intr_disestablish(cc, cf, csc->sc_ih); 418 419 /* Power down the socket. */ 420 Cardbus_function_disable(ct); 421 } 422 423 void 424 rtk_cardbus_power(sc, why) 425 struct rtk_softc *sc; 426 int why; 427 { 428 struct rtk_cardbus_softc *csc = (void *) sc; 429 430 if (why == PWR_RESUME) { 431 /* 432 * Give the PCI configuration registers a kick 433 * in the head. 434 */ 435 #ifdef DIAGNOSTIC 436 if (RTK_IS_ENABLED(sc) == 0) 437 panic("rtk_cardbus_power"); 438 #endif 439 rtk_cardbus_setup(csc); 440 } 441 } 442
Indexes created Fri Oct 03 02:09:57 GMT 2025