nslm7x.c revision 1.8
1 /* $NetBSD: nslm7x.c,v 1.8 2000/08/02 21:50:37 bouyer 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/param.h> 40 #include <sys/systm.h> 41 #include <sys/kernel.h> 42 #include <sys/proc.h> 43 #include <sys/device.h> 44 #include <sys/malloc.h> 45 #include <sys/errno.h> 46 #include <sys/queue.h> 47 #include <sys/lock.h> 48 #include <sys/ioctl.h> 49 #include <sys/conf.h> 50 #include <sys/time.h> 51 52 #include <machine/bus.h> 53 54 #include <dev/isa/isareg.h> 55 #include <dev/isa/isavar.h> 56 57 #include <dev/sysmon/sysmonvar.h> 58 59 #include <dev/ic/nslm7xvar.h> 60 61 #include <machine/intr.h> 62 #include <machine/bus.h> 63 64 #if defined(LMDEBUG) 65 #define DPRINTF(x) do { printf x; } while (0) 66 #else 67 #define DPRINTF(x) 68 #endif 69 70 const struct envsys_range lm_ranges[] = { /* sc->sensors sub-intervals */ 71 /* for each unit type */ 72 { 7, 7, ENVSYS_STEMP }, 73 { 8, 10, ENVSYS_SFANRPM }, 74 { 1, 0, ENVSYS_SVOLTS_AC }, /* None */ 75 { 0, 6, ENVSYS_SVOLTS_DC }, 76 { 1, 0, ENVSYS_SOHMS }, /* None */ 77 { 1, 0, ENVSYS_SWATTS }, /* None */ 78 { 1, 0, ENVSYS_SAMPS } /* None */ 79 }; 80 81 82 u_int8_t lm_readreg __P((struct lm_softc *, int)); 83 void lm_writereg __P((struct lm_softc *, int, int)); 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 94 static void generic_stemp __P((struct lm_softc *, struct envsys_tre_data *)); 95 static void generic_svolt __P((struct lm_softc *, struct envsys_tre_data *, 96 struct envsys_basic_info *)); 97 static void generic_fanrpm __P((struct lm_softc *, struct envsys_tre_data *)); 98 99 void lm_refresh_sensor_data __P((struct lm_softc *)); 100 101 static void wb_svolt __P((struct lm_softc *)); 102 static void wb_stemp __P((struct lm_softc *, struct envsys_tre_data *, int)); 103 static void wb_fanrpm __P((struct lm_softc *, struct envsys_tre_data *)); 104 105 void wb781_refresh_sensor_data __P((struct lm_softc *)); 106 void wb782_refresh_sensor_data __P((struct lm_softc *)); 107 void wb697_refresh_sensor_data __P((struct lm_softc *)); 108 109 int lm_gtredata __P((struct sysmon_envsys *, struct envsys_tre_data *)); 110 111 int generic_streinfo_fan __P((struct lm_softc *, struct envsys_basic_info *, 112 int, struct envsys_basic_info *)); 113 int lm_streinfo __P((struct sysmon_envsys *, struct envsys_basic_info *)); 114 int wb781_streinfo __P((struct sysmon_envsys *, struct envsys_basic_info *)); 115 int wb782_streinfo __P((struct sysmon_envsys *, struct envsys_basic_info *)); 116 117 struct lm_chip { 118 int (*chip_match) __P((struct lm_softc *)); 119 }; 120 121 struct lm_chip lm_chips[] = { 122 { wb_match }, 123 { lm_match }, 124 { def_match } /* Must be last */ 125 }; 126 127 128 u_int8_t 129 lm_readreg(sc, reg) 130 struct lm_softc *sc; 131 int reg; 132 { 133 bus_space_write_1(sc->lm_iot, sc->lm_ioh, LMC_ADDR, reg); 134 return (bus_space_read_1(sc->lm_iot, sc->lm_ioh, LMC_DATA)); 135 } 136 137 void 138 lm_writereg(sc, reg, val) 139 struct lm_softc *sc; 140 int reg; 141 int val; 142 { 143 bus_space_write_1(sc->lm_iot, sc->lm_ioh, LMC_ADDR, reg); 144 bus_space_write_1(sc->lm_iot, sc->lm_ioh, LMC_DATA, val); 145 } 146 147 148 /* 149 * bus independent probe 150 */ 151 int 152 lm_probe(iot, ioh) 153 bus_space_tag_t iot; 154 bus_space_handle_t ioh; 155 { 156 u_int8_t cr; 157 int rv; 158 159 /* Check for some power-on defaults */ 160 bus_space_write_1(iot, ioh, LMC_ADDR, LMD_CONFIG); 161 162 /* Perform LM78 reset */ 163 bus_space_write_1(iot, ioh, LMC_DATA, 0x80); 164 165 /* XXX - Why do I have to reselect the register? */ 166 bus_space_write_1(iot, ioh, LMC_ADDR, LMD_CONFIG); 167 cr = bus_space_read_1(iot, ioh, LMC_DATA); 168 169 /* XXX - spec says *only* 0x08! */ 170 if ((cr == 0x08) || (cr == 0x01)) 171 rv = 1; 172 else 173 rv = 0; 174 175 DPRINTF(("lm: rv = %d, cr = %x\n", rv, cr)); 176 177 return (rv); 178 } 179 180 181 /* 182 * pre: lmsc contains valid busspace tag and handle 183 */ 184 void 185 lm_attach(lmsc) 186 struct lm_softc *lmsc; 187 { 188 int i; 189 190 for (i = 0; i < sizeof(lm_chips) / sizeof(lm_chips[0]); i++) 191 if (lm_chips[i].chip_match(lmsc)) 192 break; 193 194 /* Start the monitoring loop */ 195 lm_writereg(lmsc, LMD_CONFIG, 0x01); 196 197 /* Indicate we have never read the registers */ 198 timerclear(&lmsc->lastread); 199 200 /* Initialize sensors */ 201 for (i = 0; i < lmsc->numsensors; ++i) { 202 lmsc->sensors[i].sensor = lmsc->info[i].sensor = i; 203 lmsc->sensors[i].validflags = (ENVSYS_FVALID|ENVSYS_FCURVALID); 204 lmsc->info[i].validflags = ENVSYS_FVALID; 205 lmsc->sensors[i].warnflags = ENVSYS_WARN_OK; 206 } 207 /* 208 * Hook into the System Monitor. 209 */ 210 lmsc->sc_sysmon.sme_ranges = lm_ranges; 211 lmsc->sc_sysmon.sme_sensor_info = lmsc->info; 212 lmsc->sc_sysmon.sme_sensor_data = lmsc->sensors; 213 lmsc->sc_sysmon.sme_cookie = lmsc; 214 215 lmsc->sc_sysmon.sme_gtredata = lm_gtredata; 216 /* sme_streinfo set in chip-specific attach */ 217 218 lmsc->sc_sysmon.sme_nsensors = lmsc->numsensors; 219 lmsc->sc_sysmon.sme_envsys_version = 1000; 220 221 if (sysmon_envsys_register(&lmsc->sc_sysmon)) 222 printf("%s: unable to register with sysmon\n", 223 lmsc->sc_dev.dv_xname); 224 } 225 226 int 227 lm_match(sc) 228 struct lm_softc *sc; 229 { 230 int i; 231 232 /* See if we have an LM78 or LM79 */ 233 i = lm_readreg(sc, LMD_CHIPID) & LM_ID_MASK; 234 switch(i) { 235 case LM_ID_LM78: 236 printf(": LM78\n"); 237 break; 238 case LM_ID_LM78J: 239 printf(": LM78J\n"); 240 break; 241 case LM_ID_LM79: 242 printf(": LM79\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 = lm_readreg(sc, LMD_CHIPID) & LM_ID_MASK; 258 printf(": Unknow 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 sprintf(sc->info[i].desc, "IN %d", i); 275 } 276 277 /* default correction factors for resistors on higher voltage inputs */ 278 sc->info[0].rfact = sc->info[1].rfact = 279 sc->info[2].rfact = 10000; 280 sc->info[3].rfact = (int)(( 90.9 / 60.4) * 10000); 281 sc->info[4].rfact = (int)(( 38.0 / 10.0) * 10000); 282 sc->info[5].rfact = (int)((210.0 / 60.4) * 10000); 283 sc->info[6].rfact = (int)(( 90.9 / 60.4) * 10000); 284 285 sc->sensors[7].units = ENVSYS_STEMP; 286 strcpy(sc->info[7].desc, "Temp"); 287 288 setup_fan(sc, 8, 3); 289 sc->sc_sysmon.sme_streinfo = lm_streinfo; 290 } 291 292 int 293 wb_match(sc) 294 struct lm_softc *sc; 295 { 296 int i, j; 297 298 lm_writereg(sc, WB_BANKSEL, WB_BANKSEL_HBAC); 299 j = lm_readreg(sc, WB_VENDID) << 8; 300 lm_writereg(sc, WB_BANKSEL, 0); 301 j |= lm_readreg(sc, WB_VENDID); 302 DPRINTF(("winbond vend id %d\n", j)); 303 if (j != WB_VENDID_WINBOND) 304 return 0; 305 /* read device ID */ 306 lm_writereg(sc, WB_BANKSEL, WB_BANKSEL_B0); 307 j = lm_readreg(sc, WB_BANK0_CHIPID); 308 DPRINTF(("winbond chip id %d\n", j)); 309 switch(j) { 310 case WB_CHIPID_83781: 311 printf(": W83781D\n"); 312 sc->numsensors = WB83781_NUM_SENSORS; 313 sc->refresh_sensor_data = wb781_refresh_sensor_data; 314 315 for (i = 0; i < 7; ++i) { 316 sc->sensors[i].units = sc->info[i].units = 317 ENVSYS_SVOLTS_DC; 318 sprintf(sc->info[i].desc, "IN %d", i); 319 } 320 321 /* default correction factors for higher voltage inputs */ 322 sc->info[0].rfact = sc->info[1].rfact = 323 sc->info[2].rfact = 10000; 324 sc->info[3].rfact = (int)(( 90.9 / 60.4) * 10000); 325 sc->info[4].rfact = (int)(( 38.0 / 10.0) * 10000); 326 sc->info[5].rfact = (int)((210.0 / 60.4) * 10000); 327 sc->info[6].rfact = (int)(( 90.9 / 60.4) * 10000); 328 329 for (i = 7; i < 10; ++i) { 330 sc->sensors[i].units = sc->info[i].units = 331 ENVSYS_STEMP; 332 sprintf(sc->info[i].desc, "Temp%d", i - 6); 333 } 334 335 for (i = 10; i < 13; ++i) { 336 sc->sensors[i].units = sc->info[i].units = 337 ENVSYS_SFANRPM; 338 sprintf(sc->info[i].desc, "Fan %d", i - 9); 339 } 340 sc->sc_sysmon.sme_streinfo = wb781_streinfo; 341 return 1; 342 case WB_CHIPID_83697: 343 printf(": W83697HF\n"); 344 wb_setup_volt(sc); 345 setup_temp(sc, 9, 2); 346 setup_fan(sc, 11, 3); 347 sc->numsensors = WB83697_NUM_SENSORS; 348 sc->refresh_sensor_data = wb697_refresh_sensor_data; 349 sc->sc_sysmon.sme_streinfo = wb782_streinfo; 350 return 1; 351 break; 352 case WB_CHIPID_83782: 353 printf(": W83782D\n"); 354 break; 355 case WB_CHIPID_83627: 356 printf(": W83627HF\n"); 357 break; 358 default: 359 printf(": unknow winbond chip ID 0x%x\n", j); 360 /* handle as a standart lm7x */ 361 lm_common_match(sc); 362 return 1; 363 } 364 /* common code for the W83782D and W83627HF */ 365 wb_setup_volt(sc); 366 setup_temp(sc, 9, 3); 367 setup_fan(sc, 12, 3); 368 sc->numsensors = WB_NUM_SENSORS; 369 sc->refresh_sensor_data = wb782_refresh_sensor_data; 370 sc->sc_sysmon.sme_streinfo = wb782_streinfo; 371 return 1; 372 } 373 374 static void 375 wb_setup_volt(sc) 376 struct lm_softc *sc; 377 { 378 sc->sensors[0].units = sc->info[0].units = ENVSYS_SVOLTS_DC; 379 sprintf(sc->info[0].desc, "VCORE A"); 380 sc->info[0].rfact = 10000; 381 sc->sensors[1].units = sc->info[1].units = ENVSYS_SVOLTS_DC; 382 sprintf(sc->info[1].desc, "VCORE B"); 383 sc->info[1].rfact = 10000; 384 sc->sensors[2].units = sc->info[2].units = ENVSYS_SVOLTS_DC; 385 sprintf(sc->info[2].desc, "+3.3V"); 386 sc->info[2].rfact = 10000; 387 sc->sensors[3].units = sc->info[3].units = ENVSYS_SVOLTS_DC; 388 sprintf(sc->info[3].desc, "+5V"); 389 sc->info[3].rfact = 16778; 390 sc->sensors[4].units = sc->info[4].units = ENVSYS_SVOLTS_DC; 391 sprintf(sc->info[4].desc, "+12V"); 392 sc->info[4].rfact = 38000; 393 sc->sensors[5].units = sc->info[5].units = ENVSYS_SVOLTS_DC; 394 sprintf(sc->info[5].desc, "-12V"); 395 sc->info[5].rfact = 10000; 396 sc->sensors[6].units = sc->info[6].units = ENVSYS_SVOLTS_DC; 397 sprintf(sc->info[6].desc, "-5V"); 398 sc->info[6].rfact = 10000; 399 sc->sensors[7].units = sc->info[7].units = ENVSYS_SVOLTS_DC; 400 sprintf(sc->info[7].desc, "+5VSB"); 401 sc->info[7].rfact = 15151; 402 sc->sensors[8].units = sc->info[8].units = ENVSYS_SVOLTS_DC; 403 sprintf(sc->info[8].desc, "VBAT"); 404 sc->info[8].rfact = 10000; 405 } 406 407 static void 408 setup_temp(sc, start, n) 409 struct lm_softc *sc; 410 int start, n; 411 { 412 int i; 413 414 for (i = 0; i < n; i++) { 415 sc->sensors[start + i].units = ENVSYS_STEMP; 416 sprintf(sc->info[start + i].desc, "Temp %d", i + 1); 417 } 418 } 419 420 421 static void 422 setup_fan(sc, start, n) 423 struct lm_softc *sc; 424 int start, n; 425 { 426 int i; 427 for (i = 0; i < n; ++i) { 428 sc->sensors[start + i].units = ENVSYS_SFANRPM; 429 sc->info[start + i].units = ENVSYS_SFANRPM; 430 sprintf(sc->info[start + i].desc, "Fan %d", i + 1); 431 } 432 } 433 434 int 435 lm_gtredata(sme, tred) 436 struct sysmon_envsys *sme; 437 struct envsys_tre_data *tred; 438 { 439 static const struct timeval onepointfive = { 1, 500000 }; 440 struct timeval t; 441 struct lm_softc *sc = sme->sme_cookie; 442 int i, s; 443 444 /* read new values at most once every 1.5 seconds */ 445 timeradd(&sc->lastread, &onepointfive, &t); 446 s = splclock(); 447 i = timercmp(&mono_time, &t, >); 448 if (i) { 449 sc->lastread.tv_sec = mono_time.tv_sec; 450 sc->lastread.tv_usec = mono_time.tv_usec; 451 } 452 splx(s); 453 454 if (i) 455 sc->refresh_sensor_data(sc); 456 457 *tred = sc->sensors[tred->sensor]; 458 459 return (0); 460 } 461 462 int 463 generic_streinfo_fan(sc, info, n, binfo) 464 struct lm_softc *sc; 465 struct envsys_basic_info *info; 466 int n; 467 struct envsys_basic_info *binfo; 468 { 469 u_int8_t sdata; 470 int divisor; 471 472 /* FAN1 and FAN2 can have divisors set, but not FAN3 */ 473 if ((sc->info[binfo->sensor].units == ENVSYS_SFANRPM) 474 && (binfo->sensor != 2)) { 475 if (binfo->rpms == 0) { 476 binfo->validflags = 0; 477 return (0); 478 } 479 480 /* 153 is the nominal FAN speed value */ 481 divisor = 1350000 / (binfo->rpms * 153); 482 483 /* ...but we need lg(divisor) */ 484 if (divisor <= 1) 485 divisor = 0; 486 else if (divisor <= 2) 487 divisor = 1; 488 else if (divisor <= 4) 489 divisor = 2; 490 else 491 divisor = 3; 492 493 /* 494 * FAN1 div is in bits <5:4>, FAN2 div is 495 * in <7:6> 496 */ 497 sdata = lm_readreg(sc, LMD_VIDFAN); 498 if ( binfo->sensor == 0 ) { /* FAN1 */ 499 divisor <<= 4; 500 sdata = (sdata & 0xCF) | divisor; 501 } else { /* FAN2 */ 502 divisor <<= 6; 503 sdata = (sdata & 0x3F) | divisor; 504 } 505 506 lm_writereg(sc, LMD_VIDFAN, sdata); 507 } 508 return (0); 509 510 } 511 512 int 513 lm_streinfo(sme, binfo) 514 struct sysmon_envsys *sme; 515 struct envsys_basic_info *binfo; 516 { 517 struct lm_softc *sc = sme->sme_cookie; 518 519 if (sc->info[binfo->sensor].units == ENVSYS_SVOLTS_DC) 520 sc->info[binfo->sensor].rfact = binfo->rfact; 521 else { 522 if (sc->info[binfo->sensor].units == ENVSYS_SFANRPM) { 523 generic_streinfo_fan(sc, &sc->info[binfo->sensor], 524 binfo->sensor - 8, binfo); 525 } 526 memcpy(sc->info[binfo->sensor].desc, binfo->desc, 527 sizeof(sc->info[binfo->sensor].desc)); 528 sc->info[binfo->sensor].desc[ 529 sizeof(sc->info[binfo->sensor].desc) - 1] = '\0'; 530 531 binfo->validflags = ENVSYS_FVALID; 532 } 533 return (0); 534 } 535 536 int 537 wb781_streinfo(sme, binfo) 538 struct sysmon_envsys *sme; 539 struct envsys_basic_info *binfo; 540 { 541 struct lm_softc *sc = sme->sme_cookie; 542 543 if (sc->info[binfo->sensor].units == ENVSYS_SVOLTS_DC) 544 sc->info[binfo->sensor].rfact = binfo->rfact; 545 else { 546 if (sc->info[binfo->sensor].units == ENVSYS_SFANRPM) { 547 generic_streinfo_fan(sc, &sc->info[binfo->sensor], 548 binfo->sensor - 10, binfo); 549 } 550 memcpy(sc->info[binfo->sensor].desc, binfo->desc, 551 sizeof(sc->info[binfo->sensor].desc)); 552 sc->info[binfo->sensor].desc[ 553 sizeof(sc->info[binfo->sensor].desc) - 1] = '\0'; 554 555 binfo->validflags = ENVSYS_FVALID; 556 } 557 return (0); 558 } 559 560 int 561 wb782_streinfo(sme, binfo) 562 struct sysmon_envsys *sme; 563 struct envsys_basic_info *binfo; 564 { 565 struct lm_softc *sc = sme->sme_cookie; 566 int divisor; 567 u_int8_t sdata; 568 int i; 569 570 if (sc->info[binfo->sensor].units == ENVSYS_SVOLTS_DC) 571 sc->info[binfo->sensor].rfact = binfo->rfact; 572 else { 573 if (sc->info[binfo->sensor].units == ENVSYS_SFANRPM) { 574 if (binfo->rpms == 0) { 575 binfo->validflags = 0; 576 return (0); 577 } 578 579 /* 153 is the nominal FAN speed value */ 580 divisor = 1350000 / (binfo->rpms * 153); 581 582 /* ...but we need lg(divisor) */ 583 for (i = 0; i < 7; i++) { 584 if (divisor <= (1 << i)) 585 break; 586 } 587 divisor = i; 588 589 if (binfo->sensor == 12 || binfo->sensor == 13) { 590 /* 591 * FAN1 div is in bits <5:4>, FAN2 div 592 * is in <7:6> 593 */ 594 sdata = lm_readreg(sc, LMD_VIDFAN); 595 if ( binfo->sensor == 12 ) { /* FAN1 */ 596 sdata = (sdata & 0xCF) | 597 ((divisor & 0x3) << 4); 598 } else { /* FAN2 */ 599 sdata = (sdata & 0x3F) | 600 ((divisor & 0x3) << 6); 601 } 602 lm_writereg(sc, LMD_VIDFAN, sdata); 603 } else { 604 /* FAN3 is in WB_PIN <7:6> */ 605 sdata = lm_readreg(sc, WB_PIN); 606 sdata = (sdata & 0x3F) | 607 ((divisor & 0x3) << 6); 608 lm_writereg(sc, LMD_VIDFAN, sdata); 609 } 610 /* Bit 2 of divisor is in WB_BANK0_FANBAT */ 611 lm_writereg(sc, WB_BANKSEL, WB_BANKSEL_B0); 612 sdata = lm_readreg(sc, WB_BANK0_FANBAT); 613 sdata &= ~(0x20 << (binfo->sensor - 12)); 614 sdata |= (divisor & 0x4) << (binfo->sensor - 9); 615 lm_writereg(sc, WB_BANK0_FANBAT, sdata); 616 } 617 618 memcpy(sc->info[binfo->sensor].desc, binfo->desc, 619 sizeof(sc->info[binfo->sensor].desc)); 620 sc->info[binfo->sensor].desc[ 621 sizeof(sc->info[binfo->sensor].desc) - 1] = '\0'; 622 623 binfo->validflags = ENVSYS_FVALID; 624 } 625 return (0); 626 } 627 628 static void 629 generic_stemp(sc, sensor) 630 struct lm_softc *sc; 631 struct envsys_tre_data *sensor; 632 { 633 int sdata = lm_readreg(sc, LMD_SENSORBASE + 7); 634 /* temp is given in deg. C, we convert to uK */ 635 sensor->cur.data_us = sdata * 1000000 + 273150000; 636 } 637 638 static void 639 generic_svolt(sc, sensors, infos) 640 struct lm_softc *sc; 641 struct envsys_tre_data *sensors; 642 struct envsys_basic_info *infos; 643 { 644 int i, sdata; 645 646 for (i = 0; i < 7; i++) { 647 sdata = lm_readreg(sc, LMD_SENSORBASE + i); 648 /* voltage returned as (mV >> 4), we convert to uVDC */ 649 sensors[i].cur.data_s = (sdata << 4); 650 /* rfact is (factor * 10^4) */ 651 sensors[i].cur.data_s *= infos[i].rfact; 652 /* division by 10 gets us back to uVDC */ 653 sensors[i].cur.data_s /= 10; 654 655 /* these two are negative voltages */ 656 if ( (i == 5) || (i == 6) ) 657 sensors[i].cur.data_s *= -1; 658 } 659 } 660 661 static void 662 generic_fanrpm(sc, sensors) 663 struct lm_softc *sc; 664 struct envsys_tre_data *sensors; 665 { 666 int i, sdata, divisor; 667 for (i = 0; i < 3; i++) { 668 sdata = lm_readreg(sc, LMD_SENSORBASE + 8 + i); 669 if (i == 2) 670 divisor = 2; /* Fixed divisor for FAN3 */ 671 else if (i == 1) /* Bits 7 & 6 of VID/FAN */ 672 divisor = (lm_readreg(sc, LMD_VIDFAN) >> 6) & 0x3; 673 else 674 divisor = (lm_readreg(sc, LMD_VIDFAN) >> 4) & 0x3; 675 676 if (sdata == 0xff || sdata == 0x00) { 677 sensors[i].cur.data_us = 0; 678 } else { 679 sensors[i].cur.data_us = 1350000 / (sdata << divisor); 680 } 681 } 682 } 683 684 /* 685 * pre: last read occured >= 1.5 seconds ago 686 * post: sensors[] current data are the latest from the chip 687 */ 688 void 689 lm_refresh_sensor_data(sc) 690 struct lm_softc *sc; 691 { 692 /* Refresh our stored data for every sensor */ 693 generic_stemp(sc, &sc->sensors[7]); 694 generic_svolt(sc, &sc->sensors[0], &sc->info[0]); 695 generic_fanrpm(sc, &sc->sensors[8]); 696 } 697 698 static void 699 wb_svolt(sc) 700 struct lm_softc *sc; 701 { 702 int i, sdata; 703 for (i = 0; i < 9; ++i) { 704 if (i < 7) { 705 sdata = lm_readreg(sc, LMD_SENSORBASE + i); 706 } else { 707 /* from bank5 */ 708 lm_writereg(sc, WB_BANKSEL, WB_BANKSEL_B5); 709 sdata = lm_readreg(sc, (i == 7) ? 710 WB_BANK5_5VSB : WB_BANK5_VBAT); 711 } 712 DPRINTF(("sdata[%d] 0x%x\n", i, sdata)); 713 /* voltage returned as (mV >> 4), we convert to uV */ 714 sdata = sdata << 4; 715 /* special case for negative voltages */ 716 if (i == 5) { 717 /* 718 * -12Vdc, assume Winbond recommended values for 719 * resistors 720 */ 721 sdata = ((sdata * 1000) - (3600 * 805)) / 195; 722 } else if (i == 6) { 723 /* 724 * -5Vdc, assume Winbond recommended values for 725 * resistors 726 */ 727 sdata = ((sdata * 1000) - (3600 * 682)) / 318; 728 } 729 /* rfact is (factor * 10^4) */ 730 sc->sensors[i].cur.data_s = sdata * sc->info[i].rfact; 731 /* division by 10 gets us back to uVDC */ 732 sc->sensors[i].cur.data_s /= 10; 733 } 734 } 735 736 static void 737 wb_stemp(sc, sensors, n) 738 struct lm_softc *sc; 739 struct envsys_tre_data *sensors; 740 int n; 741 { 742 int sdata; 743 /* temperatures. Given in dC, we convert to uK */ 744 sdata = lm_readreg(sc, LMD_SENSORBASE + 7); 745 DPRINTF(("sdata[%d] 0x%x\n", 9, sdata)); 746 sensors[0].cur.data_us = sdata * 1000000 + 273150000; 747 /* from bank1 */ 748 lm_writereg(sc, WB_BANKSEL, WB_BANKSEL_B1); 749 sdata = lm_readreg(sc, WB_BANK1_T2H) << 1; 750 sdata |= (lm_readreg(sc, WB_BANK1_T2L) & 0x80) >> 7; 751 DPRINTF(("sdata[%d] 0x%x\n", 10, sdata)); 752 sensors[1].cur.data_us = (sdata * 1000000) / 2 + 273150000; 753 if (n < 3) 754 return; 755 /* from bank2 */ 756 lm_writereg(sc, WB_BANKSEL, WB_BANKSEL_B2); 757 sdata = lm_readreg(sc, WB_BANK2_T3H) << 1; 758 sdata |= (lm_readreg(sc, WB_BANK2_T3L) & 0x80) >> 7; 759 DPRINTF(("sdata[%d] 0x%x\n", 11, sdata)); 760 sensors[2].cur.data_us = (sdata * 1000000) / 2 + 273150000; 761 } 762 763 static void 764 wb_fanrpm(sc, sensors) 765 struct lm_softc *sc; 766 struct envsys_tre_data *sensors; 767 { 768 int i, divisor, sdata; 769 lm_writereg(sc, WB_BANKSEL, WB_BANKSEL_B0); 770 for (i = 0; i < 3; i++) { 771 sdata = lm_readreg(sc, LMD_SENSORBASE + i + 8); 772 if (i == 0) 773 divisor = (lm_readreg(sc, LMD_VIDFAN) >> 4) & 0x3; 774 else if (i == 1) 775 divisor = (lm_readreg(sc, LMD_VIDFAN) >> 6) & 0x3; 776 else 777 divisor = (lm_readreg(sc, WB_PIN) >> 6) & 0x3; 778 divisor |= (lm_readreg(sc, WB_BANK0_FANBAT) >> (i + 3)) & 0x4; 779 780 DPRINTF(("sdata[%d] 0x%x div 0x%x\n", i, sdata, divisor)); 781 if (sdata == 0xff || sdata == 0x00) { 782 sensors[i].cur.data_us = 0; 783 } else { 784 sensors[i].cur.data_us = 1350000 / 785 (sdata << divisor); 786 } 787 } 788 } 789 790 void 791 wb781_refresh_sensor_data(sc) 792 struct lm_softc *sc; 793 { 794 /* Refresh our stored data for every sensor */ 795 generic_svolt(sc, &sc->sensors[0], &sc->info[0]); 796 wb_stemp(sc, &sc->sensors[7], 3); 797 generic_fanrpm(sc, &sc->sensors[10]); 798 } 799 800 void 801 wb782_refresh_sensor_data(sc) 802 struct lm_softc *sc; 803 { 804 /* Refresh our stored data for every sensor */ 805 wb_svolt(sc); 806 wb_stemp(sc, &sc->sensors[9], 3); 807 wb_fanrpm(sc, &sc->sensors[12]); 808 } 809 810 void 811 wb697_refresh_sensor_data(sc) 812 struct lm_softc *sc; 813 { 814 /* Refresh our stored data for every sensor */ 815 wb_svolt(sc); 816 wb_stemp(sc, &sc->sensors[9], 2); 817 wb_fanrpm(sc, &sc->sensors[11]); 818 } 819
Indexes created Wed Sep 24 15:09:51 GMT 2025