if_le.c revision 1.35
1 /* $NetBSD: if_le.c,v 1.35 2002/01/26 13:40:56 aymeric 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 Charles M. Hannum and by Jason R. Thorpe of the Numerical Aerospace 9 * Simulation Facility, 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 /*- 41 * Copyright (c) 1997 Bernd Ernesti. All rights reserved. 42 * Copyright (c) 1992, 1993 43 * The Regents of the University of California. All rights reserved. 44 * 45 * This code is derived from software contributed to Berkeley by 46 * Ralph Campbell and Rick Macklem. 47 * 48 * Redistribution and use in source and binary forms, with or without 49 * modification, are permitted provided that the following conditions 50 * are met: 51 * 1. Redistributions of source code must retain the above copyright 52 * notice, this list of conditions and the following disclaimer. 53 * 2. Redistributions in binary form must reproduce the above copyright 54 * notice, this list of conditions and the following disclaimer in the 55 * documentation and/or other materials provided with the distribution. 56 * 3. All advertising materials mentioning features or use of this software 57 * must display the following acknowledgement: 58 * This product includes software developed for the NetBSD Project 59 * by Bernd Ernesti. 60 * This product includes software developed by the University of 61 * California, Berkeley and its contributors. 62 * 4. Neither the name of the University nor the names of its contributors 63 * may be used to endorse or promote products derived from this software 64 * without specific prior written permission. 65 * 66 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 67 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 68 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 69 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 70 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 71 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 72 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 73 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 74 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 75 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 76 * SUCH DAMAGE. 77 * 78 * @(#)if_le.c 8.2 (Berkeley) 11/16/93 79 */ 80 81 #include "opt_inet.h" 82 #include "bpfilter.h" 83 84 #include <sys/param.h> 85 #include <sys/systm.h> 86 #include <sys/mbuf.h> 87 #include <sys/syslog.h> 88 #include <sys/socket.h> 89 #include <sys/device.h> 90 91 #include <net/if.h> 92 #include <net/if_ether.h> 93 #include <net/if_media.h> 94 95 #ifdef INET 96 #include <netinet/in.h> 97 #include <netinet/if_inarp.h> 98 #endif 99 100 #include <machine/cpu.h> 101 #include <machine/mtpr.h> 102 103 #include <amiga/amiga/device.h> 104 #include <amiga/amiga/isr.h> 105 106 #include <dev/ic/lancereg.h> 107 #include <dev/ic/lancevar.h> 108 #include <dev/ic/am7990reg.h> 109 #include <dev/ic/am7990var.h> 110 111 #include <amiga/dev/zbusvar.h> 112 #include <amiga/dev/if_levar.h> 113 114 int le_zbus_match(struct device *, struct cfdata *, void *); 115 void le_zbus_attach(struct device *, struct device *, void *); 116 117 struct cfattach le_zbus_ca = { 118 sizeof(struct le_softc), le_zbus_match, le_zbus_attach 119 }; 120 121 #if defined(_KERNEL_OPT) 122 #include "opt_ddb.h" 123 #endif 124 125 #ifdef DDB 126 #define integrate 127 #define hide 128 #else 129 #define integrate static __inline 130 #define hide static 131 #endif 132 133 hide void lepcnet_reset(struct lance_softc *); 134 hide void lewrcsr(struct lance_softc *, u_int16_t, u_int16_t); 135 hide u_int16_t lerdcsr(struct lance_softc *, u_int16_t); 136 137 hide u_int16_t ariadne_swapreg(u_int16_t); 138 hide void ariadne_wrcsr(struct lance_softc *, u_int16_t, u_int16_t); 139 hide u_int16_t ariadne_rdcsr(struct lance_softc *, u_int16_t); 140 hide void ariadne_wribcr(struct lance_softc *, u_int16_t, u_int16_t); 141 integrate void ariadne_copytodesc_word(struct lance_softc *, void *, int, int); 142 integrate void ariadne_copyfromdesc_word(struct lance_softc *, void *, 143 int, int); 144 integrate void ariadne_copytobuf_word(struct lance_softc *, void *, int, int); 145 integrate void ariadne_copyfrombuf_word(struct lance_softc *, void *, int, int); 146 integrate void ariadne_zerobuf_word(struct lance_softc *, int, int); 147 void ariadne_autoselect(struct lance_softc *, int); 148 int ariadne_mediachange(struct lance_softc *); 149 void ariadne_hwinit(struct lance_softc *); 150 151 /* 152 * Media types supported by the Ariadne. 153 */ 154 int lemedia_ariadne[] = { 155 IFM_ETHER | IFM_10_T, 156 IFM_ETHER | IFM_10_2, 157 IFM_ETHER | IFM_AUTO, 158 }; 159 #define NLEMEDIA_ARIADNE (sizeof(lemedia_ariadne) / sizeof(lemedia_ariadne[0])) 160 161 162 hide u_int16_t 163 ariadne_swapreg(u_int16_t val) 164 { 165 166 return (((val & 0xff) << 8 ) | (( val >> 8) & 0xff)); 167 } 168 169 hide void 170 ariadne_wrcsr(struct lance_softc *sc, u_int16_t port, u_int16_t val) 171 { 172 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 173 174 ler1->ler1_rap = ariadne_swapreg(port); 175 ler1->ler1_rdp = ariadne_swapreg(val); 176 } 177 178 hide u_int16_t 179 ariadne_rdcsr(struct lance_softc *sc, u_int16_t port) 180 { 181 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 182 u_int16_t val; 183 184 ler1->ler1_rap = ariadne_swapreg(port); 185 val = ariadne_swapreg(ler1->ler1_rdp); 186 return (val); 187 } 188 189 hide void 190 ariadne_wribcr(struct lance_softc *sc, u_int16_t port, u_int16_t val) 191 { 192 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 193 194 ler1->ler1_rap = ariadne_swapreg(port); 195 ler1->ler1_idp = ariadne_swapreg(val); 196 } 197 198 hide void 199 lewrcsr(struct lance_softc *sc, u_int16_t port, u_int16_t val) 200 { 201 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 202 203 ler1->ler1_rap = port; 204 ler1->ler1_rdp = val; 205 } 206 207 hide u_int16_t 208 lerdcsr(struct lance_softc *sc, u_int16_t port) 209 { 210 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 211 u_int16_t val; 212 213 ler1->ler1_rap = port; 214 val = ler1->ler1_rdp; 215 return (val); 216 } 217 218 hide void 219 lepcnet_reset(struct lance_softc *sc) 220 { 221 struct lereg1 *ler1 = ((struct le_softc *)sc)->sc_r1; 222 volatile int dummy; 223 224 dummy = ler1->ler1_reset; /* Reset PCNet-ISA */ 225 } 226 227 void 228 ariadne_autoselect(struct lance_softc *sc, int on) 229 { 230 231 /* 232 * on = 0: autoselect disabled 233 * on = 1: autoselect enabled 234 */ 235 if (on == 0) 236 ariadne_wribcr(sc, LE_BCR_MC, 0x0000); 237 else 238 ariadne_wribcr(sc, LE_BCR_MC, LE_MC_ASEL); 239 } 240 241 int 242 ariadne_mediachange(struct lance_softc *sc) 243 { 244 struct ifmedia *ifm = &sc->sc_media; 245 246 if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER) 247 return (EINVAL); 248 249 /* 250 * Switch to the selected media. If autoselect is 251 * set, switch it on otherwise disable it. We'll 252 * switch to the other media when we detect loss of 253 * carrier. 254 */ 255 switch (IFM_SUBTYPE(ifm->ifm_media)) { 256 case IFM_10_T: 257 sc->sc_initmodemedia = 1; 258 lance_init(&sc->sc_ethercom.ec_if); 259 break; 260 261 case IFM_10_2: 262 sc->sc_initmodemedia = 0; 263 lance_init(&sc->sc_ethercom.ec_if); 264 break; 265 266 case IFM_AUTO: 267 sc->sc_initmodemedia = 2; 268 ariadne_hwinit(sc); 269 break; 270 271 default: 272 return (EINVAL); 273 } 274 275 return (0); 276 } 277 278 void 279 ariadne_hwinit(struct lance_softc *sc) 280 { 281 282 /* 283 * Re-program LEDs to match meaning used on the Ariadne board. 284 */ 285 ariadne_wribcr(sc, LE_BCR_LED1, 0x0090); 286 ariadne_wribcr(sc, LE_BCR_LED2, 0x0081); 287 ariadne_wribcr(sc, LE_BCR_LED3, 0x0084); 288 289 /* 290 * Enabel/Disable auto selection 291 */ 292 if (sc->sc_initmodemedia == 2) 293 ariadne_autoselect(sc, 1); 294 else 295 ariadne_autoselect(sc, 0); 296 } 297 298 int 299 le_zbus_match(struct device *parent, struct cfdata *cfp, void *aux) 300 { 301 struct zbus_args *zap = aux; 302 303 /* Commodore ethernet card */ 304 if (zap->manid == 514 && zap->prodid == 112) 305 return (1); 306 307 /* Ameristar ethernet card */ 308 if (zap->manid == 1053 && zap->prodid == 1) 309 return (1); 310 311 /* Ariadne ethernet card */ 312 if (zap->manid == 2167 && zap->prodid == 201) 313 return (1); 314 315 return (0); 316 } 317 318 void 319 le_zbus_attach(struct device *parent, struct device *self, void *aux) 320 { 321 struct le_softc *lesc = (struct le_softc *)self; 322 struct lance_softc *sc = &lesc->sc_am7990.lsc; 323 struct zbus_args *zap = aux; 324 u_long ser; 325 326 /* This has no effect on PCnet-ISA LANCE chips */ 327 sc->sc_conf3 = LE_C3_BSWP; 328 329 /* 330 * Manufacturer decides the 3 first bytes, i.e. ethernet vendor ID. 331 */ 332 switch (zap->manid) { 333 case 514: 334 /* Commodore */ 335 sc->sc_memsize = 32768; 336 sc->sc_enaddr[0] = 0x00; 337 sc->sc_enaddr[1] = 0x80; 338 sc->sc_enaddr[2] = 0x10; 339 lesc->sc_r1 = (struct lereg1 *)(0x4000 + (int)zap->va); 340 sc->sc_mem = (void *)(0x8000 + (int)zap->va); 341 sc->sc_addr = 0x8000; 342 sc->sc_copytodesc = lance_copytobuf_contig; 343 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 344 sc->sc_copytobuf = lance_copytobuf_contig; 345 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 346 sc->sc_zerobuf = lance_zerobuf_contig; 347 sc->sc_rdcsr = lerdcsr; 348 sc->sc_wrcsr = lewrcsr; 349 sc->sc_hwreset = NULL; 350 sc->sc_hwinit = NULL; 351 break; 352 353 case 1053: 354 /* Ameristar */ 355 sc->sc_memsize = 32768; 356 sc->sc_enaddr[0] = 0x00; 357 sc->sc_enaddr[1] = 0x00; 358 sc->sc_enaddr[2] = 0x9f; 359 lesc->sc_r1 = (struct lereg1 *)(0x4000 + (int)zap->va); 360 sc->sc_mem = (void *)(0x8000 + (int)zap->va); 361 sc->sc_addr = 0x8000; 362 sc->sc_copytodesc = lance_copytobuf_contig; 363 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 364 sc->sc_copytobuf = lance_copytobuf_contig; 365 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 366 sc->sc_zerobuf = lance_zerobuf_contig; 367 sc->sc_rdcsr = lerdcsr; 368 sc->sc_wrcsr = lewrcsr; 369 sc->sc_hwreset = NULL; 370 sc->sc_hwinit = NULL; 371 break; 372 373 case 2167: 374 /* Village Tronic */ 375 sc->sc_memsize = 32768; 376 sc->sc_enaddr[0] = 0x00; 377 sc->sc_enaddr[1] = 0x60; 378 sc->sc_enaddr[2] = 0x30; 379 lesc->sc_r1 = (struct lereg1 *)(0x0370 + (int)zap->va); 380 sc->sc_mem = (void *)(0x8000 + (int)zap->va); 381 sc->sc_addr = 0x8000; 382 sc->sc_copytodesc = ariadne_copytodesc_word; 383 sc->sc_copyfromdesc = ariadne_copyfromdesc_word; 384 sc->sc_copytobuf = ariadne_copytobuf_word; 385 sc->sc_copyfrombuf = ariadne_copyfrombuf_word; 386 sc->sc_zerobuf = ariadne_zerobuf_word; 387 sc->sc_rdcsr = ariadne_rdcsr; 388 sc->sc_wrcsr = ariadne_wrcsr; 389 sc->sc_hwreset = lepcnet_reset; 390 sc->sc_hwinit = ariadne_hwinit; 391 sc->sc_mediachange = ariadne_mediachange; 392 sc->sc_supmedia = lemedia_ariadne; 393 sc->sc_nsupmedia = NLEMEDIA_ARIADNE; 394 sc->sc_defaultmedia = IFM_ETHER | IFM_AUTO; 395 sc->sc_initmodemedia = 2; 396 break; 397 398 default: 399 panic("le_zbus_attach: bad manid"); 400 } 401 402 /* 403 * Serial number for board is used as host ID. 404 */ 405 ser = (u_long)zap->serno; 406 sc->sc_enaddr[3] = (ser >> 16) & 0xff; 407 sc->sc_enaddr[4] = (ser >> 8) & 0xff; 408 sc->sc_enaddr[5] = (ser ) & 0xff; 409 410 am7990_config(&lesc->sc_am7990); 411 412 lesc->sc_isr.isr_intr = am7990_intr; 413 lesc->sc_isr.isr_arg = sc; 414 lesc->sc_isr.isr_ipl = 2; 415 add_isr(&lesc->sc_isr); 416 } 417 418 419 integrate void 420 ariadne_copytodesc_word(struct lance_softc *sc, void *from, int boff, int len) 421 { 422 u_short *b1 = from; 423 volatile u_short *b2 = (u_short *)((u_char *)sc->sc_mem + boff); 424 425 for (len >>= 1; len > 0; len--) 426 *b2++ = ariadne_swapreg(*b1++); 427 } 428 429 integrate void 430 ariadne_copyfromdesc_word(struct lance_softc *sc, void *to, int boff, int len) 431 { 432 volatile u_short *b1 = (u_short *)((u_char *)sc->sc_mem + boff); 433 u_short *b2 = to; 434 435 for (len >>= 1; len > 0; len--) 436 *b2++ = ariadne_swapreg(*b1++); 437 } 438 439 #define isodd(n) ((n) & 1) 440 441 integrate void 442 ariadne_copytobuf_word(struct lance_softc *sc, void *from, int boff, int len) 443 { 444 u_char *a1 = from; 445 volatile u_char *a2 = (u_char *)sc->sc_mem + boff; 446 u_short *b1; 447 volatile u_short *b2; 448 int i; 449 450 if (len > 0 && isodd(boff)) { 451 /* adjust source pointer */ 452 b1 = (u_short *)(a1 + 1); 453 /* compute aligned destination pointer */ 454 b2 = (u_short *)(a2 + 1); 455 /* copy first unaligned byte to buf */ 456 b2[-1] = (b2[-1] & 0xff00) | *a1; 457 --len; 458 } else { 459 /* destination is aligned or length is zero */ 460 b1 = (u_short *)a1; 461 b2 = (u_short *)a2; 462 } 463 464 /* copy full words with aligned destination */ 465 for (i = len >> 1; i > 0; i--) 466 *b2++ = *b1++; 467 468 /* copy remaining byte */ 469 if (isodd(len)) 470 *b2 = (*b2 & 0x00ff) | (*(u_char *)b1) << 8; 471 } 472 473 integrate void 474 ariadne_copyfrombuf_word(struct lance_softc *sc, void *to, int boff, int len) 475 { 476 volatile u_char *a1 = (u_char *)sc->sc_mem + boff; 477 u_char *a2 = to; 478 volatile u_short *b1; 479 u_short *b2; 480 int i; 481 482 if (len > 0 && isodd(boff)) { 483 /* compute aligned source pointer */ 484 b1 = (u_short *)(a1 + 1); 485 /* adjust destination pointer (possibly unaligned) */ 486 b2 = (u_short *)(a2 + 1); 487 /* copy first unaligned byte from buf */ 488 *a2 = b1[-1]; 489 --len; 490 } else { 491 /* source is aligned or length is zero */ 492 b1 = (u_short *)a1; 493 b2 = (u_short *)a2; 494 } 495 496 /* copy full words with aligned source */ 497 for (i = len >> 1; i > 0; i--) 498 *b2++ = *b1++; 499 500 /* copy remaining byte */ 501 if (isodd(len)) 502 *(u_char *)b2 = *b1 >> 8; 503 } 504 505 integrate void 506 ariadne_zerobuf_word(struct lance_softc *sc, int boff, int len) 507 { 508 volatile u_char *a1 = (u_char *)sc->sc_mem + boff; 509 volatile u_short *b1; 510 int i; 511 512 if (len > 0 && isodd(boff)) { 513 b1 = (u_short *)(a1 + 1); 514 b1[-1] &= 0xff00; 515 --len; 516 } else { 517 b1 = (u_short *)a1; 518 } 519 520 for (i = len >> 1; i > 0; i--) 521 *b1++ = 0; 522 523 if (isodd(len)) 524 *b1 &= 0x00ff; 525 } 526
Indexes created Tue Sep 23 02:09:52 GMT 2025