nslm7x.c revision 1.18
1 /* $NetBSD: nslm7x.c,v 1.18 2004/04/22 00:17:11 itojun Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Bill Squier. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: nslm7x.c,v 1.18 2004/04/22 00:17:11 itojun Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/kernel.h> 45 #include <sys/proc.h> 46 #include <sys/device.h> 47 #include <sys/malloc.h> 48 #include <sys/errno.h> 49 #include <sys/queue.h> 50 #include <sys/lock.h> 51 #include <sys/ioctl.h> 52 #include <sys/conf.h> 53 #include <sys/time.h> 54 55 #include <machine/bus.h> 56 57 #include <dev/isa/isareg.h> 58 #include <dev/isa/isavar.h> 59 60 #include <dev/sysmon/sysmonvar.h> 61 62 #include <dev/ic/nslm7xvar.h> 63 64 #include <machine/intr.h> 65 #include <machine/bus.h> 66 67 #if defined(LMDEBUG) 68 #define DPRINTF(x) do { printf x; } while (0) 69 #else 70 #define DPRINTF(x) 71 #endif 72 73 const struct envsys_range lm_ranges[] = { /* sc->sensors sub-intervals */ 74 /* for each unit type */ 75 { 7, 7, ENVSYS_STEMP }, 76 { 8, 10, ENVSYS_SFANRPM }, 77 { 1, 0, ENVSYS_SVOLTS_AC }, /* None */ 78 { 0, 6, ENVSYS_SVOLTS_DC }, 79 { 1, 0, ENVSYS_SOHMS }, /* None */ 80 { 1, 0, ENVSYS_SWATTS }, /* None */ 81 { 1, 0, ENVSYS_SAMPS } /* None */ 82 }; 83 84 85 static void setup_fan __P((struct lm_softc *, int, int)); 86 static void setup_temp __P((struct lm_softc *, int, int)); 87 static void wb_setup_volt __P((struct lm_softc *)); 88 89 int lm_match __P((struct lm_softc *)); 90 int wb_match __P((struct lm_softc *)); 91 int def_match __P((struct lm_softc *)); 92 void lm_common_match __P((struct lm_softc *)); 93 static int lm_generic_banksel __P((struct lm_softc *, int)); 94 95 static void generic_stemp __P((struct lm_softc *, struct envsys_tre_data *)); 96 static void generic_svolt __P((struct lm_softc *, struct envsys_tre_data *, 97 struct envsys_basic_info *)); 98 static void generic_fanrpm __P((struct lm_softc *, struct envsys_tre_data *)); 99 100 void lm_refresh_sensor_data __P((struct lm_softc *)); 101 102 static void wb_svolt __P((struct lm_softc *)); 103 static void wb_stemp __P((struct lm_softc *, struct envsys_tre_data *, int)); 104 static void wb781_fanrpm __P((struct lm_softc *, struct envsys_tre_data *)); 105 static void wb_fanrpm __P((struct lm_softc *, struct envsys_tre_data *)); 106 107 void wb781_refresh_sensor_data __P((struct lm_softc *)); 108 void wb782_refresh_sensor_data __P((struct lm_softc *)); 109 void wb697_refresh_sensor_data __P((struct lm_softc *)); 110 111 int lm_gtredata __P((struct sysmon_envsys *, struct envsys_tre_data *)); 112 113 int generic_streinfo_fan __P((struct lm_softc *, struct envsys_basic_info *, 114 int, struct envsys_basic_info *)); 115 int lm_streinfo __P((struct sysmon_envsys *, struct envsys_basic_info *)); 116 int wb781_streinfo __P((struct sysmon_envsys *, struct envsys_basic_info *)); 117 int wb782_streinfo __P((struct sysmon_envsys *, struct envsys_basic_info *)); 118 119 struct lm_chip { 120 int (*chip_match) __P((struct lm_softc *)); 121 }; 122 123 struct lm_chip lm_chips[] = { 124 { wb_match }, 125 { lm_match }, 126 { def_match } /* Must be last */ 127 }; 128 129 130 int 131 lm_generic_banksel(lmsc, bank) 132 struct lm_softc *lmsc; 133 int bank; 134 { 135 136 (*lmsc->lm_writereg)(lmsc, WB_BANKSEL, bank); 137 return (0); 138 } 139 140 141 /* 142 * bus independent probe 143 */ 144 int 145 lm_probe(iot, ioh) 146 bus_space_tag_t iot; 147 bus_space_handle_t ioh; 148 { 149 u_int8_t cr; 150 int rv; 151 152 /* Check for some power-on defaults */ 153 bus_space_write_1(iot, ioh, LMC_ADDR, LMD_CONFIG); 154 155 /* Perform LM78 reset */ 156 bus_space_write_1(iot, ioh, LMC_DATA, 0x80); 157 158 /* XXX - Why do I have to reselect the register? */ 159 bus_space_write_1(iot, ioh, LMC_ADDR, LMD_CONFIG); 160 cr = bus_space_read_1(iot, ioh, LMC_DATA); 161 162 /* XXX - spec says *only* 0x08! */ 163 if ((cr == 0x08) || (cr == 0x01)) 164 rv = 1; 165 else 166 rv = 0; 167 168 DPRINTF(("lm: rv = %d, cr = %x\n", rv, cr)); 169 170 return (rv); 171 } 172 173 174 /* 175 * pre: lmsc contains valid busspace tag and handle 176 */ 177 void 178 lm_attach(lmsc) 179 struct lm_softc *lmsc; 180 { 181 u_int i; 182 183 /* Install default bank selection routine, if none given. */ 184 if (lmsc->lm_banksel == NULL) 185 lmsc->lm_banksel = lm_generic_banksel; 186 187 for (i = 0; i < sizeof(lm_chips) / sizeof(lm_chips[0]); i++) 188 if (lm_chips[i].chip_match(lmsc)) 189 break; 190 191 /* Start the monitoring loop */ 192 (*lmsc->lm_writereg)(lmsc, LMD_CONFIG, 0x01); 193 194 /* Indicate we have never read the registers */ 195 timerclear(&lmsc->lastread); 196 197 /* Initialize sensors */ 198 for (i = 0; i < lmsc->numsensors; ++i) { 199 lmsc->sensors[i].sensor = lmsc->info[i].sensor = i; 200 lmsc->sensors[i].validflags = (ENVSYS_FVALID|ENVSYS_FCURVALID); 201 lmsc->info[i].validflags = ENVSYS_FVALID; 202 lmsc->sensors[i].warnflags = ENVSYS_WARN_OK; 203 } 204 /* 205 * Hook into the System Monitor. 206 */ 207 lmsc->sc_sysmon.sme_ranges = lm_ranges; 208 lmsc->sc_sysmon.sme_sensor_info = lmsc->info; 209 lmsc->sc_sysmon.sme_sensor_data = lmsc->sensors; 210 lmsc->sc_sysmon.sme_cookie = lmsc; 211 212 lmsc->sc_sysmon.sme_gtredata = lm_gtredata; 213 /* sme_streinfo set in chip-specific attach */ 214 215 lmsc->sc_sysmon.sme_nsensors = lmsc->numsensors; 216 lmsc->sc_sysmon.sme_envsys_version = 1000; 217 218 if (sysmon_envsys_register(&lmsc->sc_sysmon)) 219 printf("%s: unable to register with sysmon\n", 220 lmsc->sc_dev.dv_xname); 221 } 222 223 int 224 lm_match(sc) 225 struct lm_softc *sc; 226 { 227 int i; 228 229 /* See if we have an LM78 or LM79 */ 230 i = (*sc->lm_readreg)(sc, LMD_CHIPID) & LM_ID_MASK; 231 switch(i) { 232 case LM_ID_LM78: 233 printf(": LM78\n"); 234 break; 235 case LM_ID_LM78J: 236 printf(": LM78J\n"); 237 break; 238 case LM_ID_LM79: 239 printf(": LM79\n"); 240 break; 241 case LM_ID_LM81: 242 printf(": LM81\n"); 243 break; 244 default: 245 return 0; 246 } 247 lm_common_match(sc); 248 return 1; 249 } 250 251 int 252 def_match(sc) 253 struct lm_softc *sc; 254 { 255 int i; 256 257 i = (*sc->lm_readreg)(sc, LMD_CHIPID) & LM_ID_MASK; 258 printf(": Unknown chip (ID %d)\n", i); 259 lm_common_match(sc); 260 return 1; 261 } 262 263 void 264 lm_common_match(sc) 265 struct lm_softc *sc; 266 { 267 int i; 268 sc->numsensors = LM_NUM_SENSORS; 269 sc->refresh_sensor_data = lm_refresh_sensor_data; 270 271 for (i = 0; i < 7; ++i) { 272 sc->sensors[i].units = sc->info[i].units = 273 ENVSYS_SVOLTS_DC; 274 snprintf(sc->info[i].desc, sizeof(sc->info[i].desc), 275 "IN %d", i); 276 } 277 278 /* default correction factors for resistors on higher voltage inputs */ 279 sc->info[0].rfact = sc->info[1].rfact = 280 sc->info[2].rfact = 10000; 281 sc->info[3].rfact = (int)(( 90.9 / 60.4) * 10000); 282 sc->info[4].rfact = (int)(( 38.0 / 10.0) * 10000); 283 sc->info[5].rfact = (int)((210.0 / 60.4) * 10000); 284 sc->info[6].rfact = (int)(( 90.9 / 60.4) * 10000); 285 286 sc->sensors[7].units = ENVSYS_STEMP; 287 strcpy(sc->info[7].desc, "Temp"); 288 289 setup_fan(sc, 8, 3); 290 sc->sc_sysmon.sme_streinfo = lm_streinfo; 291 } 292 293 int 294 wb_match(sc) 295 struct lm_softc *sc; 296 { 297 int i, j; 298 299 (*sc->lm_writereg)(sc, WB_BANKSEL, WB_BANKSEL_HBAC); 300 j = (*sc->lm_readreg)(sc, WB_VENDID) << 8; 301 (*sc->lm_writereg)(sc, WB_BANKSEL, 0); 302 j |= (*sc->lm_readreg)(sc, WB_VENDID); 303 DPRINTF(("winbond vend id 0x%x\n", j)); 304 if (j != WB_VENDID_WINBOND) 305 return 0; 306 /* read device ID */ 307 (*sc->lm_banksel)(sc, 0); 308 j = (*sc->lm_readreg)(sc, WB_BANK0_CHIPID); 309 DPRINTF(("winbond chip id 0x%x\n", j)); 310 switch(j) { 311 case WB_CHIPID_83781: 312 case WB_CHIPID_83781_2: 313 printf(": W83781D\n"); 314 315 for (i = 0; i < 7; ++i) { 316 sc->sensors[i].units = sc->info[i].units = 317 ENVSYS_SVOLTS_DC; 318 snprintf(sc->info[i].desc, sizeof(sc->info[i].desc), 319 "IN %d", i); 320 } 321 322 /* default correction factors for higher voltage inputs */ 323 sc->info[0].rfact = sc->info[1].rfact = 324 sc->info[2].rfact = 10000; 325 sc->info[3].rfact = (int)(( 90.9 / 60.4) * 10000); 326 sc->info[4].rfact = (int)(( 38.0 / 10.0) * 10000); 327 sc->info[5].rfact = (int)((210.0 / 60.4) * 10000); 328 sc->info[6].rfact = (int)(( 90.9 / 60.4) * 10000); 329 330 setup_temp(sc, 7, 3); 331 setup_fan(sc, 10, 3); 332 333 sc->numsensors = WB83781_NUM_SENSORS; 334 sc->refresh_sensor_data = wb781_refresh_sensor_data; 335 sc->sc_sysmon.sme_streinfo = wb781_streinfo; 336 return 1; 337 case WB_CHIPID_83697: 338 printf(": W83697HF\n"); 339 wb_setup_volt(sc); 340 setup_temp(sc, 9, 2); 341 setup_fan(sc, 11, 3); 342 sc->numsensors = WB83697_NUM_SENSORS; 343 sc->refresh_sensor_data = wb697_refresh_sensor_data; 344 sc->sc_sysmon.sme_streinfo = wb782_streinfo; 345 return 1; 346 case WB_CHIPID_83782: 347 printf(": W83782D\n"); 348 break; 349 case WB_CHIPID_83627: 350 printf(": W83627HF\n"); 351 break; 352 default: 353 printf(": unknow winbond chip ID 0x%x\n", j); 354 /* handle as a standart lm7x */ 355 lm_common_match(sc); 356 return 1; 357 } 358 /* common code for the W83782D and W83627HF */ 359 wb_setup_volt(sc); 360 setup_temp(sc, 9, 3); 361 setup_fan(sc, 12, 3); 362 sc->numsensors = WB_NUM_SENSORS; 363 sc->refresh_sensor_data = wb782_refresh_sensor_data; 364 sc->sc_sysmon.sme_streinfo = wb782_streinfo; 365 return 1; 366 } 367 368 static void 369 wb_setup_volt(sc) 370 struct lm_softc *sc; 371 { 372 sc->sensors[0].units = sc->info[0].units = ENVSYS_SVOLTS_DC; 373 snprintf(sc->info[0].desc, sizeof(sc->info[0].desc), "VCORE A"); 374 sc->info[0].rfact = 10000; 375 sc->sensors[1].units = sc->info[1].units = ENVSYS_SVOLTS_DC; 376 snprintf(sc->info[1].desc, sizeof(sc->info[1].desc), "VCORE B"); 377 sc->info[1].rfact = 10000; 378 sc->sensors[2].units = sc->info[2].units = ENVSYS_SVOLTS_DC; 379 snprintf(sc->info[2].desc, sizeof(sc->info[2].desc), "+3.3V"); 380 sc->info[2].rfact = 10000; 381 sc->sensors[3].units = sc->info[3].units = ENVSYS_SVOLTS_DC; 382 snprintf(sc->info[3].desc, sizeof(sc->info[3].desc), "+5V"); 383 sc->info[3].rfact = 16778; 384 sc->sensors[4].units = sc->info[4].units = ENVSYS_SVOLTS_DC; 385 snprintf(sc->info[4].desc, sizeof(sc->info[4].desc), "+12V"); 386 sc->info[4].rfact = 38000; 387 sc->sensors[5].units = sc->info[5].units = ENVSYS_SVOLTS_DC; 388 snprintf(sc->info[5].desc, sizeof(sc->info[5].desc), "-12V"); 389 sc->info[5].rfact = 10000; 390 sc->sensors[6].units = sc->info[6].units = ENVSYS_SVOLTS_DC; 391 snprintf(sc->info[6].desc, sizeof(sc->info[6].desc), "-5V"); 392 sc->info[6].rfact = 10000; 393 sc->sensors[7].units = sc->info[7].units = ENVSYS_SVOLTS_DC; 394 snprintf(sc->info[7].desc, sizeof(sc->info[7].desc), "+5VSB"); 395 sc->info[7].rfact = 15151; 396 sc->sensors[8].units = sc->info[8].units = ENVSYS_SVOLTS_DC; 397 snprintf(sc->info[8].desc, sizeof(sc->info[8].desc), "VBAT"); 398 sc->info[8].rfact = 10000; 399 } 400 401 static void 402 setup_temp(sc, start, n) 403 struct lm_softc *sc; 404 int start, n; 405 { 406 int i; 407 408 for (i = 0; i < n; i++) { 409 sc->sensors[start + i].units = ENVSYS_STEMP; 410 snprintf(sc->info[start + i].desc, 411 sizeof(sc->info[start + i].desc), "Temp %d", i + 1); 412 } 413 } 414 415 416 static void 417 setup_fan(sc, start, n) 418 struct lm_softc *sc; 419 int start, n; 420 { 421 int i; 422 for (i = 0; i < n; ++i) { 423 sc->sensors[start + i].units = ENVSYS_SFANRPM; 424 sc->info[start + i].units = ENVSYS_SFANRPM; 425 snprintf(sc->info[start + i].desc, 426 sizeof(sc->info[start + i].desc), "Fan %d", i + 1); 427 } 428 } 429 430 int 431 lm_gtredata(sme, tred) 432 struct sysmon_envsys *sme; 433 struct envsys_tre_data *tred; 434 { 435 static const struct timeval onepointfive = { 1, 500000 }; 436 struct timeval t; 437 struct lm_softc *sc = sme->sme_cookie; 438 int i, s; 439 440 /* read new values at most once every 1.5 seconds */ 441 timeradd(&sc->lastread, &onepointfive, &t); 442 s = splclock(); 443 i = timercmp(&mono_time, &t, >); 444 if (i) { 445 sc->lastread.tv_sec = mono_time.tv_sec; 446 sc->lastread.tv_usec = mono_time.tv_usec; 447 } 448 splx(s); 449 450 if (i) 451 sc->refresh_sensor_data(sc); 452 453 *tred = sc->sensors[tred->sensor]; 454 455 return (0); 456 } 457 458 int 459 generic_streinfo_fan(sc, info, n, binfo) 460 struct lm_softc *sc; 461 struct envsys_basic_info *info; 462 int n; 463 struct envsys_basic_info *binfo; 464 { 465 u_int8_t sdata; 466 int divisor; 467 468 /* FAN1 and FAN2 can have divisors set, but not FAN3 */ 469 if ((sc->info[binfo->sensor].units == ENVSYS_SFANRPM) 470 && (n < 2)) { 471 if (binfo->rpms == 0) { 472 binfo->validflags = 0; 473 return (0); 474 } 475 476 /* write back the nominal FAN speed */ 477 info->rpms = binfo->rpms; 478 479 /* 153 is the nominal FAN speed value */ 480 divisor = 1350000 / (binfo->rpms * 153); 481 482 /* ...but we need lg(divisor) */ 483 if (divisor <= 1) 484 divisor = 0; 485 else if (divisor <= 2) 486 divisor = 1; 487 else if (divisor <= 4) 488 divisor = 2; 489 else 490 divisor = 3; 491 492 /* 493 * FAN1 div is in bits <5:4>, FAN2 div is 494 * in <7:6> 495 */ 496 sdata = (*sc->lm_readreg)(sc, LMD_VIDFAN); 497 if ( n == 0 ) { /* FAN1 */ 498 divisor <<= 4; 499 sdata = (sdata & 0xCF) | divisor; 500 } else { /* FAN2 */ 501 divisor <<= 6; 502 sdata = (sdata & 0x3F) | divisor; 503 } 504 505 (*sc->lm_writereg)(sc, LMD_VIDFAN, sdata); 506 } 507 return (0); 508 509 } 510 511 int 512 lm_streinfo(sme, binfo) 513 struct sysmon_envsys *sme; 514 struct envsys_basic_info *binfo; 515 { 516 struct lm_softc *sc = sme->sme_cookie; 517 518 if (sc->info[binfo->sensor].units == ENVSYS_SVOLTS_DC) 519 sc->info[binfo->sensor].rfact = binfo->rfact; 520 else { 521 if (sc->info[binfo->sensor].units == ENVSYS_SFANRPM) { 522 generic_streinfo_fan(sc, &sc->info[binfo->sensor], 523 binfo->sensor - 8, binfo); 524 } 525 memcpy(sc->info[binfo->sensor].desc, binfo->desc, 526 sizeof(sc->info[binfo->sensor].desc)); 527 sc->info[binfo->sensor].desc[ 528 sizeof(sc->info[binfo->sensor].desc) - 1] = '\0'; 529 530 binfo->validflags = ENVSYS_FVALID; 531 } 532 return (0); 533 } 534 535 int 536 wb781_streinfo(sme, binfo) 537 struct sysmon_envsys *sme; 538 struct envsys_basic_info *binfo; 539 { 540 struct lm_softc *sc = sme->sme_cookie; 541 int divisor; 542 u_int8_t sdata; 543 int i; 544 545 if (sc->info[binfo->sensor].units == ENVSYS_SVOLTS_DC) 546 sc->info[binfo->sensor].rfact = binfo->rfact; 547 else { 548 if (sc->info[binfo->sensor].units == ENVSYS_SFANRPM) { 549 if (binfo->rpms == 0) { 550 binfo->validflags = 0; 551 return (0); 552 } 553 554 /* write back the nominal FAN speed */ 555 sc->info[binfo->sensor].rpms = binfo->rpms; 556 557 /* 153 is the nominal FAN speed value */ 558 divisor = 1350000 / (binfo->rpms * 153); 559 560 /* ...but we need lg(divisor) */ 561 for (i = 0; i < 7; i++) { 562 if (divisor <= (1 << i)) 563 break; 564 } 565 divisor = i; 566 567 if (binfo->sensor == 10 || binfo->sensor == 11) { 568 /* 569 * FAN1 div is in bits <5:4>, FAN2 div 570 * is in <7:6> 571 */ 572 sdata = (*sc->lm_readreg)(sc, LMD_VIDFAN); 573 if ( binfo->sensor == 10 ) { /* FAN1 */ 574 sdata = (sdata & 0xCF) | 575 ((divisor & 0x3) << 4); 576 } else { /* FAN2 */ 577 sdata = (sdata & 0x3F) | 578 ((divisor & 0x3) << 6); 579 } 580 (*sc->lm_writereg)(sc, LMD_VIDFAN, sdata); 581 } else { 582 /* FAN3 is in WB_PIN <7:6> */ 583 sdata = (*sc->lm_readreg)(sc, WB_PIN); 584 sdata = (sdata & 0x3F) | 585 ((divisor & 0x3) << 6); 586 (*sc->lm_writereg)(sc, WB_PIN, sdata); 587 } 588 } 589 memcpy(sc->info[binfo->sensor].desc, binfo->desc, 590 sizeof(sc->info[binfo->sensor].desc)); 591 sc->info[binfo->sensor].desc[ 592 sizeof(sc->info[binfo->sensor].desc) - 1] = '\0'; 593 594 binfo->validflags = ENVSYS_FVALID; 595 } 596 return (0); 597 } 598 599 int 600 wb782_streinfo(sme, binfo) 601 struct sysmon_envsys *sme; 602 struct envsys_basic_info *binfo; 603 { 604 struct lm_softc *sc = sme->sme_cookie; 605 int divisor; 606 u_int8_t sdata; 607 int i; 608 609 if (sc->info[binfo->sensor].units == ENVSYS_SVOLTS_DC) 610 sc->info[binfo->sensor].rfact = binfo->rfact; 611 else { 612 if (sc->info[binfo->sensor].units == ENVSYS_SFANRPM) { 613 if (binfo->rpms == 0) { 614 binfo->validflags = 0; 615 return (0); 616 } 617 618 /* write back the nominal FAN speed */ 619 sc->info[binfo->sensor].rpms = binfo->rpms; 620 621 /* 153 is the nominal FAN speed value */ 622 divisor = 1350000 / (binfo->rpms * 153); 623 624 /* ...but we need lg(divisor) */ 625 for (i = 0; i < 7; i++) { 626 if (divisor <= (1 << i)) 627 break; 628 } 629 divisor = i; 630 631 if (binfo->sensor == 12 || binfo->sensor == 13) { 632 /* 633 * FAN1 div is in bits <5:4>, FAN2 div 634 * is in <7:6> 635 */ 636 sdata = (*sc->lm_readreg)(sc, LMD_VIDFAN); 637 if ( binfo->sensor == 12 ) { /* FAN1 */ 638 sdata = (sdata & 0xCF) | 639 ((divisor & 0x3) << 4); 640 } else { /* FAN2 */ 641 sdata = (sdata & 0x3F) | 642 ((divisor & 0x3) << 6); 643 } 644 (*sc->lm_writereg)(sc, LMD_VIDFAN, sdata); 645 } else { 646 /* FAN3 is in WB_PIN <7:6> */ 647 sdata = (*sc->lm_readreg)(sc, WB_PIN); 648 sdata = (sdata & 0x3F) | 649 ((divisor & 0x3) << 6); 650 (*sc->lm_writereg)(sc, WB_PIN, sdata); 651 } 652 /* Bit 2 of divisor is in WB_BANK0_FANBAT */ 653 (*sc->lm_banksel)(sc, 0); 654 sdata = (*sc->lm_readreg)(sc, WB_BANK0_FANBAT); 655 sdata &= ~(0x20 << (binfo->sensor - 12)); 656 sdata |= (divisor & 0x4) << (binfo->sensor - 9); 657 (*sc->lm_writereg)(sc, WB_BANK0_FANBAT, sdata); 658 } 659 660 memcpy(sc->info[binfo->sensor].desc, binfo->desc, 661 sizeof(sc->info[binfo->sensor].desc)); 662 sc->info[binfo->sensor].desc[ 663 sizeof(sc->info[binfo->sensor].desc) - 1] = '\0'; 664 665 binfo->validflags = ENVSYS_FVALID; 666 } 667 return (0); 668 } 669 670 static void 671 generic_stemp(sc, sensor) 672 struct lm_softc *sc; 673 struct envsys_tre_data *sensor; 674 { 675 int sdata = (*sc->lm_readreg)(sc, LMD_SENSORBASE + 7); 676 DPRINTF(("sdata[temp] 0x%x\n", sdata)); 677 /* temp is given in deg. C, we convert to uK */ 678 sensor->cur.data_us = sdata * 1000000 + 273150000; 679 } 680 681 static void 682 generic_svolt(sc, sensors, infos) 683 struct lm_softc *sc; 684 struct envsys_tre_data *sensors; 685 struct envsys_basic_info *infos; 686 { 687 int i, sdata; 688 689 for (i = 0; i < 7; i++) { 690 sdata = (*sc->lm_readreg)(sc, LMD_SENSORBASE + i); 691 DPRINTF(("sdata[volt%d] 0x%x\n", i, sdata)); 692 /* voltage returned as (mV >> 4), we convert to uVDC */ 693 sensors[i].cur.data_s = (sdata << 4); 694 /* rfact is (factor * 10^4) */ 695 sensors[i].cur.data_s *= infos[i].rfact; 696 /* division by 10 gets us back to uVDC */ 697 sensors[i].cur.data_s /= 10; 698 699 /* these two are negative voltages */ 700 if ( (i == 5) || (i == 6) ) 701 sensors[i].cur.data_s *= -1; 702 } 703 } 704 705 static void 706 generic_fanrpm(sc, sensors) 707 struct lm_softc *sc; 708 struct envsys_tre_data *sensors; 709 { 710 int i, sdata, divisor; 711 for (i = 0; i < 3; i++) { 712 sdata = (*sc->lm_readreg)(sc, LMD_SENSORBASE + 8 + i); 713 DPRINTF(("sdata[fan%d] 0x%x\n", i, sdata)); 714 if (i == 2) 715 divisor = 2; /* Fixed divisor for FAN3 */ 716 else if (i == 1) /* Bits 7 & 6 of VID/FAN */ 717 divisor = ((*sc->lm_readreg)(sc, LMD_VIDFAN) >> 6) & 0x3; 718 else 719 divisor = ((*sc->lm_readreg)(sc, LMD_VIDFAN) >> 4) & 0x3; 720 721 if (sdata == 0xff || sdata == 0x00) { 722 sensors[i].cur.data_us = 0; 723 } else { 724 sensors[i].cur.data_us = 1350000 / (sdata << divisor); 725 } 726 } 727 } 728 729 /* 730 * pre: last read occurred >= 1.5 seconds ago 731 * post: sensors[] current data are the latest from the chip 732 */ 733 void 734 lm_refresh_sensor_data(sc) 735 struct lm_softc *sc; 736 { 737 /* Refresh our stored data for every sensor */ 738 generic_stemp(sc, &sc->sensors[7]); 739 generic_svolt(sc, &sc->sensors[0], &sc->info[0]); 740 generic_fanrpm(sc, &sc->sensors[8]); 741 } 742 743 static void 744 wb_svolt(sc) 745 struct lm_softc *sc; 746 { 747 int i, sdata; 748 for (i = 0; i < 9; ++i) { 749 if (i < 7) { 750 sdata = (*sc->lm_readreg)(sc, LMD_SENSORBASE + i); 751 } else { 752 /* from bank5 */ 753 (*sc->lm_banksel)(sc, 5); 754 sdata = (*sc->lm_readreg)(sc, (i == 7) ? 755 WB_BANK5_5VSB : WB_BANK5_VBAT); 756 } 757 DPRINTF(("sdata[volt%d] 0x%x\n", i, sdata)); 758 /* voltage returned as (mV >> 4), we convert to uV */ 759 sdata = sdata << 4; 760 /* special case for negative voltages */ 761 if (i == 5) { 762 /* 763 * -12Vdc, assume Winbond recommended values for 764 * resistors 765 */ 766 sdata = ((sdata * 1000) - (3600 * 805)) / 195; 767 } else if (i == 6) { 768 /* 769 * -5Vdc, assume Winbond recommended values for 770 * resistors 771 */ 772 sdata = ((sdata * 1000) - (3600 * 682)) / 318; 773 } 774 /* rfact is (factor * 10^4) */ 775 sc->sensors[i].cur.data_s = sdata * sc->info[i].rfact; 776 /* division by 10 gets us back to uVDC */ 777 sc->sensors[i].cur.data_s /= 10; 778 } 779 } 780 781 static void 782 wb_stemp(sc, sensors, n) 783 struct lm_softc *sc; 784 struct envsys_tre_data *sensors; 785 int n; 786 { 787 int sdata; 788 /* temperatures. Given in dC, we convert to uK */ 789 sdata = (*sc->lm_readreg)(sc, LMD_SENSORBASE + 7); 790 DPRINTF(("sdata[temp0] 0x%x\n", sdata)); 791 sensors[0].cur.data_us = sdata * 1000000 + 273150000; 792 /* from bank1 */ 793 if ((*sc->lm_banksel)(sc, 1)) 794 sensors[1].validflags &= ~ENVSYS_FCURVALID; 795 else { 796 sdata = (*sc->lm_readreg)(sc, WB_BANK1_T2H) << 1; 797 sdata |= ((*sc->lm_readreg)(sc, WB_BANK1_T2L) & 0x80) >> 7; 798 DPRINTF(("sdata[temp1] 0x%x\n", sdata)); 799 sensors[1].cur.data_us = (sdata * 1000000) / 2 + 273150000; 800 } 801 if (n < 3) 802 return; 803 /* from bank2 */ 804 if ((*sc->lm_banksel)(sc, 2)) 805 sensors[2].validflags &= ~ENVSYS_FCURVALID; 806 else { 807 sdata = (*sc->lm_readreg)(sc, WB_BANK2_T3H) << 1; 808 sdata |= ((*sc->lm_readreg)(sc, WB_BANK2_T3L) & 0x80) >> 7; 809 DPRINTF(("sdata[temp2] 0x%x\n", sdata)); 810 sensors[2].cur.data_us = (sdata * 1000000) / 2 + 273150000; 811 } 812 } 813 814 static void 815 wb781_fanrpm(sc, sensors) 816 struct lm_softc *sc; 817 struct envsys_tre_data *sensors; 818 { 819 int i, divisor, sdata; 820 (*sc->lm_banksel)(sc, 0); 821 for (i = 0; i < 3; i++) { 822 sdata = (*sc->lm_readreg)(sc, LMD_SENSORBASE + i + 8); 823 DPRINTF(("sdata[fan%d] 0x%x\n", i, sdata)); 824 if (i == 0) 825 divisor = ((*sc->lm_readreg)(sc, LMD_VIDFAN) >> 4) & 0x3; 826 else if (i == 1) 827 divisor = ((*sc->lm_readreg)(sc, LMD_VIDFAN) >> 6) & 0x3; 828 else 829 divisor = ((*sc->lm_readreg)(sc, WB_PIN) >> 6) & 0x3; 830 831 DPRINTF(("sdata[%d] 0x%x div 0x%x\n", i, sdata, divisor)); 832 if (sdata == 0xff || sdata == 0x00) { 833 sensors[i].cur.data_us = 0; 834 } else { 835 sensors[i].cur.data_us = 1350000 / 836 (sdata << divisor); 837 } 838 } 839 } 840 841 static void 842 wb_fanrpm(sc, sensors) 843 struct lm_softc *sc; 844 struct envsys_tre_data *sensors; 845 { 846 int i, divisor, sdata; 847 (*sc->lm_banksel)(sc, 0); 848 for (i = 0; i < 3; i++) { 849 sdata = (*sc->lm_readreg)(sc, LMD_SENSORBASE + i + 8); 850 DPRINTF(("sdata[fan%d] 0x%x\n", i, sdata)); 851 if (i == 0) 852 divisor = ((*sc->lm_readreg)(sc, LMD_VIDFAN) >> 4) & 0x3; 853 else if (i == 1) 854 divisor = ((*sc->lm_readreg)(sc, LMD_VIDFAN) >> 6) & 0x3; 855 else 856 divisor = ((*sc->lm_readreg)(sc, WB_PIN) >> 6) & 0x3; 857 divisor |= ((*sc->lm_readreg)(sc, WB_BANK0_FANBAT) >> (i + 3)) & 0x4; 858 859 DPRINTF(("sdata[%d] 0x%x div 0x%x\n", i, sdata, divisor)); 860 if (sdata == 0xff || sdata == 0x00) { 861 sensors[i].cur.data_us = 0; 862 } else { 863 sensors[i].cur.data_us = 1350000 / 864 (sdata << divisor); 865 } 866 } 867 } 868 869 void 870 wb781_refresh_sensor_data(sc) 871 struct lm_softc *sc; 872 { 873 /* Refresh our stored data for every sensor */ 874 /* we need to reselect bank0 to access common registers */ 875 (*sc->lm_banksel)(sc, 0); 876 generic_svolt(sc, &sc->sensors[0], &sc->info[0]); 877 (*sc->lm_banksel)(sc, 0); 878 wb_stemp(sc, &sc->sensors[7], 3); 879 (*sc->lm_banksel)(sc, 0); 880 wb781_fanrpm(sc, &sc->sensors[10]); 881 } 882 883 void 884 wb782_refresh_sensor_data(sc) 885 struct lm_softc *sc; 886 { 887 /* Refresh our stored data for every sensor */ 888 wb_svolt(sc); 889 wb_stemp(sc, &sc->sensors[9], 3); 890 wb_fanrpm(sc, &sc->sensors[12]); 891 } 892 893 void 894 wb697_refresh_sensor_data(sc) 895 struct lm_softc *sc; 896 { 897 /* Refresh our stored data for every sensor */ 898 wb_svolt(sc); 899 wb_stemp(sc, &sc->sensors[9], 2); 900 wb_fanrpm(sc, &sc->sensors[11]); 901 } 902
Indexes created Thu Sep 25 08:09:54 GMT 2025