nslm7x.c revision 1.9
1 /* $NetBSD: nslm7x.c,v 1.9 2000/08/02 22:20:41 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"); 312 313 for (i = 0; i < 7; ++i) { 314 sc->sensors[i].units = sc->info[i].units = 315 ENVSYS_SVOLTS_DC; 316 sprintf(sc->info[i].desc, "IN %d", i); 317 } 318 319 /* default correction factors for higher voltage inputs */ 320 sc->info[0].rfact = sc->info[1].rfact = 321 sc->info[2].rfact = 10000; 322 sc->info[3].rfact = (int)(( 90.9 / 60.4) * 10000); 323 sc->info[4].rfact = (int)(( 38.0 / 10.0) * 10000); 324 sc->info[5].rfact = (int)((210.0 / 60.4) * 10000); 325 sc->info[6].rfact = (int)(( 90.9 / 60.4) * 10000); 326 327 setup_temp(sc, 7, 3); 328 setup_fan(sc, 10, 3); 329 330 sc->numsensors = WB83781_NUM_SENSORS; 331 sc->refresh_sensor_data = wb781_refresh_sensor_data; 332 sc->sc_sysmon.sme_streinfo = wb781_streinfo; 333 return 1; 334 case WB_CHIPID_83697: 335 printf(": W83697HF\n"); 336 wb_setup_volt(sc); 337 setup_temp(sc, 9, 2); 338 setup_fan(sc, 11, 3); 339 sc->numsensors = WB83697_NUM_SENSORS; 340 sc->refresh_sensor_data = wb697_refresh_sensor_data; 341 sc->sc_sysmon.sme_streinfo = wb782_streinfo; 342 return 1; 343 break; 344 case WB_CHIPID_83782: 345 printf(": W83782D\n"); 346 break; 347 case WB_CHIPID_83627: 348 printf(": W83627HF\n"); 349 break; 350 default: 351 printf(": unknow winbond chip ID 0x%x\n", j); 352 /* handle as a standart lm7x */ 353 lm_common_match(sc); 354 return 1; 355 } 356 /* common code for the W83782D and W83627HF */ 357 wb_setup_volt(sc); 358 setup_temp(sc, 9, 3); 359 setup_fan(sc, 12, 3); 360 sc->numsensors = WB_NUM_SENSORS; 361 sc->refresh_sensor_data = wb782_refresh_sensor_data; 362 sc->sc_sysmon.sme_streinfo = wb782_streinfo; 363 return 1; 364 } 365 366 static void 367 wb_setup_volt(sc) 368 struct lm_softc *sc; 369 { 370 sc->sensors[0].units = sc->info[0].units = ENVSYS_SVOLTS_DC; 371 sprintf(sc->info[0].desc, "VCORE A"); 372 sc->info[0].rfact = 10000; 373 sc->sensors[1].units = sc->info[1].units = ENVSYS_SVOLTS_DC; 374 sprintf(sc->info[1].desc, "VCORE B"); 375 sc->info[1].rfact = 10000; 376 sc->sensors[2].units = sc->info[2].units = ENVSYS_SVOLTS_DC; 377 sprintf(sc->info[2].desc, "+3.3V"); 378 sc->info[2].rfact = 10000; 379 sc->sensors[3].units = sc->info[3].units = ENVSYS_SVOLTS_DC; 380 sprintf(sc->info[3].desc, "+5V"); 381 sc->info[3].rfact = 16778; 382 sc->sensors[4].units = sc->info[4].units = ENVSYS_SVOLTS_DC; 383 sprintf(sc->info[4].desc, "+12V"); 384 sc->info[4].rfact = 38000; 385 sc->sensors[5].units = sc->info[5].units = ENVSYS_SVOLTS_DC; 386 sprintf(sc->info[5].desc, "-12V"); 387 sc->info[5].rfact = 10000; 388 sc->sensors[6].units = sc->info[6].units = ENVSYS_SVOLTS_DC; 389 sprintf(sc->info[6].desc, "-5V"); 390 sc->info[6].rfact = 10000; 391 sc->sensors[7].units = sc->info[7].units = ENVSYS_SVOLTS_DC; 392 sprintf(sc->info[7].desc, "+5VSB"); 393 sc->info[7].rfact = 15151; 394 sc->sensors[8].units = sc->info[8].units = ENVSYS_SVOLTS_DC; 395 sprintf(sc->info[8].desc, "VBAT"); 396 sc->info[8].rfact = 10000; 397 } 398 399 static void 400 setup_temp(sc, start, n) 401 struct lm_softc *sc; 402 int start, n; 403 { 404 int i; 405 406 for (i = 0; i < n; i++) { 407 sc->sensors[start + i].units = ENVSYS_STEMP; 408 sprintf(sc->info[start + i].desc, "Temp %d", i + 1); 409 } 410 } 411 412 413 static void 414 setup_fan(sc, start, n) 415 struct lm_softc *sc; 416 int start, n; 417 { 418 int i; 419 for (i = 0; i < n; ++i) { 420 sc->sensors[start + i].units = ENVSYS_SFANRPM; 421 sc->info[start + i].units = ENVSYS_SFANRPM; 422 sprintf(sc->info[start + i].desc, "Fan %d", i + 1); 423 } 424 } 425 426 int 427 lm_gtredata(sme, tred) 428 struct sysmon_envsys *sme; 429 struct envsys_tre_data *tred; 430 { 431 static const struct timeval onepointfive = { 1, 500000 }; 432 struct timeval t; 433 struct lm_softc *sc = sme->sme_cookie; 434 int i, s; 435 436 /* read new values at most once every 1.5 seconds */ 437 timeradd(&sc->lastread, &onepointfive, &t); 438 s = splclock(); 439 i = timercmp(&mono_time, &t, >); 440 if (i) { 441 sc->lastread.tv_sec = mono_time.tv_sec; 442 sc->lastread.tv_usec = mono_time.tv_usec; 443 } 444 splx(s); 445 446 if (i) 447 sc->refresh_sensor_data(sc); 448 449 *tred = sc->sensors[tred->sensor]; 450 451 return (0); 452 } 453 454 int 455 generic_streinfo_fan(sc, info, n, binfo) 456 struct lm_softc *sc; 457 struct envsys_basic_info *info; 458 int n; 459 struct envsys_basic_info *binfo; 460 { 461 u_int8_t sdata; 462 int divisor; 463 464 /* FAN1 and FAN2 can have divisors set, but not FAN3 */ 465 if ((sc->info[binfo->sensor].units == ENVSYS_SFANRPM) 466 && (binfo->sensor != 2)) { 467 if (binfo->rpms == 0) { 468 binfo->validflags = 0; 469 return (0); 470 } 471 472 /* 153 is the nominal FAN speed value */ 473 divisor = 1350000 / (binfo->rpms * 153); 474 475 /* ...but we need lg(divisor) */ 476 if (divisor <= 1) 477 divisor = 0; 478 else if (divisor <= 2) 479 divisor = 1; 480 else if (divisor <= 4) 481 divisor = 2; 482 else 483 divisor = 3; 484 485 /* 486 * FAN1 div is in bits <5:4>, FAN2 div is 487 * in <7:6> 488 */ 489 sdata = lm_readreg(sc, LMD_VIDFAN); 490 if ( binfo->sensor == 0 ) { /* FAN1 */ 491 divisor <<= 4; 492 sdata = (sdata & 0xCF) | divisor; 493 } else { /* FAN2 */ 494 divisor <<= 6; 495 sdata = (sdata & 0x3F) | divisor; 496 } 497 498 lm_writereg(sc, LMD_VIDFAN, sdata); 499 } 500 return (0); 501 502 } 503 504 int 505 lm_streinfo(sme, binfo) 506 struct sysmon_envsys *sme; 507 struct envsys_basic_info *binfo; 508 { 509 struct lm_softc *sc = sme->sme_cookie; 510 511 if (sc->info[binfo->sensor].units == ENVSYS_SVOLTS_DC) 512 sc->info[binfo->sensor].rfact = binfo->rfact; 513 else { 514 if (sc->info[binfo->sensor].units == ENVSYS_SFANRPM) { 515 generic_streinfo_fan(sc, &sc->info[binfo->sensor], 516 binfo->sensor - 8, binfo); 517 } 518 memcpy(sc->info[binfo->sensor].desc, binfo->desc, 519 sizeof(sc->info[binfo->sensor].desc)); 520 sc->info[binfo->sensor].desc[ 521 sizeof(sc->info[binfo->sensor].desc) - 1] = '\0'; 522 523 binfo->validflags = ENVSYS_FVALID; 524 } 525 return (0); 526 } 527 528 int 529 wb781_streinfo(sme, binfo) 530 struct sysmon_envsys *sme; 531 struct envsys_basic_info *binfo; 532 { 533 struct lm_softc *sc = sme->sme_cookie; 534 535 if (sc->info[binfo->sensor].units == ENVSYS_SVOLTS_DC) 536 sc->info[binfo->sensor].rfact = binfo->rfact; 537 else { 538 if (sc->info[binfo->sensor].units == ENVSYS_SFANRPM) { 539 generic_streinfo_fan(sc, &sc->info[binfo->sensor], 540 binfo->sensor - 10, binfo); 541 } 542 memcpy(sc->info[binfo->sensor].desc, binfo->desc, 543 sizeof(sc->info[binfo->sensor].desc)); 544 sc->info[binfo->sensor].desc[ 545 sizeof(sc->info[binfo->sensor].desc) - 1] = '\0'; 546 547 binfo->validflags = ENVSYS_FVALID; 548 } 549 return (0); 550 } 551 552 int 553 wb782_streinfo(sme, binfo) 554 struct sysmon_envsys *sme; 555 struct envsys_basic_info *binfo; 556 { 557 struct lm_softc *sc = sme->sme_cookie; 558 int divisor; 559 u_int8_t sdata; 560 int i; 561 562 if (sc->info[binfo->sensor].units == ENVSYS_SVOLTS_DC) 563 sc->info[binfo->sensor].rfact = binfo->rfact; 564 else { 565 if (sc->info[binfo->sensor].units == ENVSYS_SFANRPM) { 566 if (binfo->rpms == 0) { 567 binfo->validflags = 0; 568 return (0); 569 } 570 571 /* 153 is the nominal FAN speed value */ 572 divisor = 1350000 / (binfo->rpms * 153); 573 574 /* ...but we need lg(divisor) */ 575 for (i = 0; i < 7; i++) { 576 if (divisor <= (1 << i)) 577 break; 578 } 579 divisor = i; 580 581 if (binfo->sensor == 12 || binfo->sensor == 13) { 582 /* 583 * FAN1 div is in bits <5:4>, FAN2 div 584 * is in <7:6> 585 */ 586 sdata = lm_readreg(sc, LMD_VIDFAN); 587 if ( binfo->sensor == 12 ) { /* FAN1 */ 588 sdata = (sdata & 0xCF) | 589 ((divisor & 0x3) << 4); 590 } else { /* FAN2 */ 591 sdata = (sdata & 0x3F) | 592 ((divisor & 0x3) << 6); 593 } 594 lm_writereg(sc, LMD_VIDFAN, sdata); 595 } else { 596 /* FAN3 is in WB_PIN <7:6> */ 597 sdata = lm_readreg(sc, WB_PIN); 598 sdata = (sdata & 0x3F) | 599 ((divisor & 0x3) << 6); 600 lm_writereg(sc, LMD_VIDFAN, sdata); 601 } 602 /* Bit 2 of divisor is in WB_BANK0_FANBAT */ 603 lm_writereg(sc, WB_BANKSEL, WB_BANKSEL_B0); 604 sdata = lm_readreg(sc, WB_BANK0_FANBAT); 605 sdata &= ~(0x20 << (binfo->sensor - 12)); 606 sdata |= (divisor & 0x4) << (binfo->sensor - 9); 607 lm_writereg(sc, WB_BANK0_FANBAT, sdata); 608 } 609 610 memcpy(sc->info[binfo->sensor].desc, binfo->desc, 611 sizeof(sc->info[binfo->sensor].desc)); 612 sc->info[binfo->sensor].desc[ 613 sizeof(sc->info[binfo->sensor].desc) - 1] = '\0'; 614 615 binfo->validflags = ENVSYS_FVALID; 616 } 617 return (0); 618 } 619 620 static void 621 generic_stemp(sc, sensor) 622 struct lm_softc *sc; 623 struct envsys_tre_data *sensor; 624 { 625 int sdata = lm_readreg(sc, LMD_SENSORBASE + 7); 626 /* temp is given in deg. C, we convert to uK */ 627 sensor->cur.data_us = sdata * 1000000 + 273150000; 628 } 629 630 static void 631 generic_svolt(sc, sensors, infos) 632 struct lm_softc *sc; 633 struct envsys_tre_data *sensors; 634 struct envsys_basic_info *infos; 635 { 636 int i, sdata; 637 638 for (i = 0; i < 7; i++) { 639 sdata = lm_readreg(sc, LMD_SENSORBASE + i); 640 /* voltage returned as (mV >> 4), we convert to uVDC */ 641 sensors[i].cur.data_s = (sdata << 4); 642 /* rfact is (factor * 10^4) */ 643 sensors[i].cur.data_s *= infos[i].rfact; 644 /* division by 10 gets us back to uVDC */ 645 sensors[i].cur.data_s /= 10; 646 647 /* these two are negative voltages */ 648 if ( (i == 5) || (i == 6) ) 649 sensors[i].cur.data_s *= -1; 650 } 651 } 652 653 static void 654 generic_fanrpm(sc, sensors) 655 struct lm_softc *sc; 656 struct envsys_tre_data *sensors; 657 { 658 int i, sdata, divisor; 659 for (i = 0; i < 3; i++) { 660 sdata = lm_readreg(sc, LMD_SENSORBASE + 8 + i); 661 if (i == 2) 662 divisor = 2; /* Fixed divisor for FAN3 */ 663 else if (i == 1) /* Bits 7 & 6 of VID/FAN */ 664 divisor = (lm_readreg(sc, LMD_VIDFAN) >> 6) & 0x3; 665 else 666 divisor = (lm_readreg(sc, LMD_VIDFAN) >> 4) & 0x3; 667 668 if (sdata == 0xff || sdata == 0x00) { 669 sensors[i].cur.data_us = 0; 670 } else { 671 sensors[i].cur.data_us = 1350000 / (sdata << divisor); 672 } 673 } 674 } 675 676 /* 677 * pre: last read occured >= 1.5 seconds ago 678 * post: sensors[] current data are the latest from the chip 679 */ 680 void 681 lm_refresh_sensor_data(sc) 682 struct lm_softc *sc; 683 { 684 /* Refresh our stored data for every sensor */ 685 generic_stemp(sc, &sc->sensors[7]); 686 generic_svolt(sc, &sc->sensors[0], &sc->info[0]); 687 generic_fanrpm(sc, &sc->sensors[8]); 688 } 689 690 static void 691 wb_svolt(sc) 692 struct lm_softc *sc; 693 { 694 int i, sdata; 695 for (i = 0; i < 9; ++i) { 696 if (i < 7) { 697 sdata = lm_readreg(sc, LMD_SENSORBASE + i); 698 } else { 699 /* from bank5 */ 700 lm_writereg(sc, WB_BANKSEL, WB_BANKSEL_B5); 701 sdata = lm_readreg(sc, (i == 7) ? 702 WB_BANK5_5VSB : WB_BANK5_VBAT); 703 } 704 DPRINTF(("sdata[%d] 0x%x\n", i, sdata)); 705 /* voltage returned as (mV >> 4), we convert to uV */ 706 sdata = sdata << 4; 707 /* special case for negative voltages */ 708 if (i == 5) { 709 /* 710 * -12Vdc, assume Winbond recommended values for 711 * resistors 712 */ 713 sdata = ((sdata * 1000) - (3600 * 805)) / 195; 714 } else if (i == 6) { 715 /* 716 * -5Vdc, assume Winbond recommended values for 717 * resistors 718 */ 719 sdata = ((sdata * 1000) - (3600 * 682)) / 318; 720 } 721 /* rfact is (factor * 10^4) */ 722 sc->sensors[i].cur.data_s = sdata * sc->info[i].rfact; 723 /* division by 10 gets us back to uVDC */ 724 sc->sensors[i].cur.data_s /= 10; 725 } 726 } 727 728 static void 729 wb_stemp(sc, sensors, n) 730 struct lm_softc *sc; 731 struct envsys_tre_data *sensors; 732 int n; 733 { 734 int sdata; 735 /* temperatures. Given in dC, we convert to uK */ 736 sdata = lm_readreg(sc, LMD_SENSORBASE + 7); 737 DPRINTF(("sdata[%d] 0x%x\n", 9, sdata)); 738 sensors[0].cur.data_us = sdata * 1000000 + 273150000; 739 /* from bank1 */ 740 lm_writereg(sc, WB_BANKSEL, WB_BANKSEL_B1); 741 sdata = lm_readreg(sc, WB_BANK1_T2H) << 1; 742 sdata |= (lm_readreg(sc, WB_BANK1_T2L) & 0x80) >> 7; 743 DPRINTF(("sdata[%d] 0x%x\n", 10, sdata)); 744 sensors[1].cur.data_us = (sdata * 1000000) / 2 + 273150000; 745 if (n < 3) 746 return; 747 /* from bank2 */ 748 lm_writereg(sc, WB_BANKSEL, WB_BANKSEL_B2); 749 sdata = lm_readreg(sc, WB_BANK2_T3H) << 1; 750 sdata |= (lm_readreg(sc, WB_BANK2_T3L) & 0x80) >> 7; 751 DPRINTF(("sdata[%d] 0x%x\n", 11, sdata)); 752 sensors[2].cur.data_us = (sdata * 1000000) / 2 + 273150000; 753 } 754 755 static void 756 wb_fanrpm(sc, sensors) 757 struct lm_softc *sc; 758 struct envsys_tre_data *sensors; 759 { 760 int i, divisor, sdata; 761 lm_writereg(sc, WB_BANKSEL, WB_BANKSEL_B0); 762 for (i = 0; i < 3; i++) { 763 sdata = lm_readreg(sc, LMD_SENSORBASE + i + 8); 764 if (i == 0) 765 divisor = (lm_readreg(sc, LMD_VIDFAN) >> 4) & 0x3; 766 else if (i == 1) 767 divisor = (lm_readreg(sc, LMD_VIDFAN) >> 6) & 0x3; 768 else 769 divisor = (lm_readreg(sc, WB_PIN) >> 6) & 0x3; 770 divisor |= (lm_readreg(sc, WB_BANK0_FANBAT) >> (i + 3)) & 0x4; 771 772 DPRINTF(("sdata[%d] 0x%x div 0x%x\n", i, sdata, divisor)); 773 if (sdata == 0xff || sdata == 0x00) { 774 sensors[i].cur.data_us = 0; 775 } else { 776 sensors[i].cur.data_us = 1350000 / 777 (sdata << divisor); 778 } 779 } 780 } 781 782 void 783 wb781_refresh_sensor_data(sc) 784 struct lm_softc *sc; 785 { 786 /* Refresh our stored data for every sensor */ 787 /* we need to reselect bank0 to access common registers */ 788 lm_writereg(sc, WB_BANKSEL, WB_BANKSEL_B0); 789 generic_svolt(sc, &sc->sensors[0], &sc->info[0]); 790 lm_writereg(sc, WB_BANKSEL, WB_BANKSEL_B0); 791 wb_stemp(sc, &sc->sensors[7], 3); 792 lm_writereg(sc, WB_BANKSEL, WB_BANKSEL_B0); 793 generic_fanrpm(sc, &sc->sensors[10]); 794 } 795 796 void 797 wb782_refresh_sensor_data(sc) 798 struct lm_softc *sc; 799 { 800 /* Refresh our stored data for every sensor */ 801 wb_svolt(sc); 802 wb_stemp(sc, &sc->sensors[9], 3); 803 wb_fanrpm(sc, &sc->sensors[12]); 804 } 805 806 void 807 wb697_refresh_sensor_data(sc) 808 struct lm_softc *sc; 809 { 810 /* Refresh our stored data for every sensor */ 811 wb_svolt(sc); 812 wb_stemp(sc, &sc->sensors[9], 2); 813 wb_fanrpm(sc, &sc->sensors[11]); 814 } 815
Indexes created Mon Sep 22 21:09:42 GMT 2025