xref: /netbsd-src/sys/dev/ic/nslm7x.c (revision 8b0f9554ff8762542c4defc4f70e1eb76fb508fa)
1 /*	$NetBSD: nslm7x.c,v 1.44 2007/11/16 08:00:14 xtraeme 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 1.44 2007/11/16 08:00:14 xtraeme 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/conf.h>
48 #include <sys/time.h>
49 
50 #include <sys/bus.h>
51 
52 #include <dev/isa/isareg.h>
53 #include <dev/isa/isavar.h>
54 
55 #include <dev/sysmon/sysmonvar.h>
56 
57 #include <dev/ic/nslm7xvar.h>
58 
59 #include <sys/intr.h>
60 
61 #if defined(LMDEBUG)
62 #define DPRINTF(x)	do { printf x; } while (0)
63 #else
64 #define DPRINTF(x)
65 #endif
66 
67 /*
68  * LM78-compatible chips can typically measure voltages up to 4.096 V.
69  * To measure higher voltages the input is attenuated with (external)
70  * resistors.  Negative voltages are measured using inverting op amps
71  * and resistors.  So we have to convert the sensor values back to
72  * real voltages by applying the appropriate resistor factor.
73  */
74 #define RFACT_NONE	10000
75 #define RFACT(x, y)	(RFACT_NONE * ((x) + (y)) / (y))
76 #define NRFACT(x, y)	(-RFACT_NONE * (x) / (y))
77 
78 #define LM_REFRESH_TIMO	(2 * hz)	/* 2 seconds */
79 
80 static int lm_match(struct lm_softc *);
81 static int wb_match(struct lm_softc *);
82 static int def_match(struct lm_softc *);
83 
84 static void lm_refresh(void *);
85 
86 static void lm_generic_banksel(struct lm_softc *, int);
87 static void lm_setup_sensors(struct lm_softc *, struct lm_sensor *);
88 static void lm_refresh_sensor_data(struct lm_softc *);
89 static void lm_refresh_volt(struct lm_softc *, int);
90 static void lm_refresh_temp(struct lm_softc *, int);
91 static void lm_refresh_fanrpm(struct lm_softc *, int);
92 
93 static void wb_refresh_sensor_data(struct lm_softc *);
94 static void wb_w83637hf_refresh_vcore(struct lm_softc *, int);
95 static void wb_refresh_nvolt(struct lm_softc *, int);
96 static void wb_w83627ehf_refresh_nvolt(struct lm_softc *, int);
97 static void wb_refresh_temp(struct lm_softc *, int);
98 static void wb_refresh_fanrpm(struct lm_softc *, int);
99 static void wb_w83792d_refresh_fanrpm(struct lm_softc *, int);
100 
101 static void as_refresh_temp(struct lm_softc *, int);
102 
103 struct lm_chip {
104 	int (*chip_match)(struct lm_softc *);
105 };
106 
107 static struct lm_chip lm_chips[] = {
108 	{ wb_match },
109 	{ lm_match },
110 	{ def_match } /* Must be last */
111 };
112 
113 /* LM78/78J/79/81 */
114 static struct lm_sensor lm78_sensors[] = {
115 	/* Voltage */
116 	{
117 		.desc = "VCore A",
118 		.type = ENVSYS_SVOLTS_DC,
119 		.bank = 0,
120 		.reg = 0x20,
121 		.refresh = lm_refresh_volt,
122 		.rfact = RFACT_NONE
123 	},
124 	{
125 		.desc = "VCore B",
126 		.type = ENVSYS_SVOLTS_DC,
127 		.bank = 0,
128 		.reg = 0x21,
129 		.refresh = lm_refresh_volt,
130 		.rfact = RFACT_NONE
131 	},
132 	{
133 		.desc = "+3.3V",
134 		.type = ENVSYS_SVOLTS_DC,
135 		.bank = 0,
136 		.reg = 0x22,
137 		.refresh = lm_refresh_volt,
138 		.rfact = RFACT_NONE
139 	},
140 	{
141 		.desc = "+5V",
142 		.type = ENVSYS_SVOLTS_DC,
143 		.bank = 0,
144 		.reg = 0x23,
145 		.refresh = lm_refresh_volt,
146 		.rfact = RFACT(68, 100)
147 	},
148 	{
149 		.desc = "+12V",
150 		.type = ENVSYS_SVOLTS_DC,
151 		.bank = 0,
152 		.reg = 0x24,
153 		.refresh = lm_refresh_volt,
154 		.rfact = RFACT(30, 10)
155 	},
156 	{
157 		.desc = "-12V",
158 		.type = ENVSYS_SVOLTS_DC,
159 		.bank = 0,
160 		.reg = 0x25,
161 		.refresh = lm_refresh_volt,
162 		.rfact = NRFACT(240, 60)
163 	},
164 	{
165 		.desc = "-5V",
166 		.type = ENVSYS_SVOLTS_DC,
167 		.bank = 0,
168 		.reg = 0x26,
169 		.refresh = lm_refresh_volt,
170 		.rfact = NRFACT(100, 60)
171 	},
172 
173 	/* Temperature */
174 	{
175 		.desc = "Temp0",
176 		.type = ENVSYS_STEMP,
177 		.bank = 0,
178 		.reg = 0x27,
179 		.refresh = lm_refresh_temp,
180 		.rfact = 0
181 	},
182 
183 	/* Fans */
184 	{
185 		.desc = "Fan0",
186 		.type = ENVSYS_SFANRPM,
187 		.bank = 0,
188 		.reg = 0x28,
189 		.refresh = lm_refresh_fanrpm,
190 		.rfact = 0
191 	},
192 	{
193 		.desc = "Fan1",
194 		.type = ENVSYS_SFANRPM,
195 		.bank = 0,
196 		.reg = 0x29,
197 		.refresh = lm_refresh_fanrpm,
198 		.rfact = 0
199 	},
200 	{
201 		.desc = "Fan2",
202 		.type = ENVSYS_SFANRPM,
203 		.bank = 0,
204 		.reg = 0x2a,
205 		.refresh = lm_refresh_fanrpm,
206 		.rfact = 0
207 	},
208 
209 	{ .desc = NULL }
210 };
211 
212 /* W83627HF */
213 static struct lm_sensor w83627hf_sensors[] = {
214 	/* Voltage */
215 	{
216 		.desc = "VCore A",
217 		.type = ENVSYS_SVOLTS_DC,
218 		.bank = 0,
219 		.reg = 0x20,
220 		.refresh = lm_refresh_volt,
221 		.rfact = RFACT_NONE
222 	},
223 	{
224 		.desc = "VCore B",
225 		.type = ENVSYS_SVOLTS_DC,
226 		.bank = 0,
227 		.reg = 0x21,
228 		.refresh = lm_refresh_volt,
229 		.rfact = RFACT_NONE
230 	},
231 	{
232 		.desc = "+3.3V",
233 		.type = ENVSYS_SVOLTS_DC,
234 		.bank = 0,
235 		.reg = 0x22,
236 		.refresh = lm_refresh_volt,
237 		.rfact = RFACT_NONE
238 	},
239 	{
240 		.desc = "+5V",
241 		.type = ENVSYS_SVOLTS_DC,
242 		.bank = 0,
243 		.reg = 0x23,
244 		.refresh = lm_refresh_volt,
245 		.rfact = RFACT(34, 50)
246 	},
247 	{
248 		.desc = "+12V",
249 		.type = ENVSYS_SVOLTS_DC,
250 		.bank = 0,
251 		.reg = 0x24,
252 		.refresh = lm_refresh_volt,
253 		.rfact = RFACT(28, 10)
254 	},
255 	{
256 		.desc = "-12V",
257 		.type = ENVSYS_SVOLTS_DC,
258 		.bank = 0,
259 		.reg = 0x25,
260 		.refresh = wb_refresh_nvolt,
261 		.rfact = RFACT(232, 56)
262 	},
263 	{
264 		.desc = "-5V",
265 		.type = ENVSYS_SVOLTS_DC,
266 		.bank = 0,
267 		.reg = 0x26,
268 		.refresh = wb_refresh_nvolt,
269 		.rfact = RFACT(120, 56)
270 	},
271 	{
272 		.desc = "5VSB",
273 		.type = ENVSYS_SVOLTS_DC,
274 		.bank = 5,
275 		.reg = 0x50,
276 		.refresh = lm_refresh_volt,
277 		.rfact = RFACT(17, 33)
278 	},
279 	{
280 		.desc = "VBAT",
281 		.type = ENVSYS_SVOLTS_DC,
282 		.bank = 5,
283 		.reg = 0x51,
284 		.refresh = lm_refresh_volt,
285 		.rfact = RFACT_NONE
286 	},
287 
288 	/* Temperature */
289 	{
290 		.desc = "Temp0",
291 		.type = ENVSYS_STEMP,
292 		.bank = 0,
293 		.reg = 0x27,
294 		.refresh = lm_refresh_temp,
295 		.rfact = 0
296 	},
297 	{
298 		.desc = "Temp1",
299 		.type = ENVSYS_STEMP,
300 		.bank = 1,
301 		.reg = 0x50,
302 		.refresh = wb_refresh_temp,
303 		.rfact = 0
304 	},
305 	{
306 		.desc = "Temp2",
307 		.type = ENVSYS_STEMP,
308 		.bank = 2,
309 		.reg = 0x50,
310 		.refresh = wb_refresh_temp,
311 		.rfact = 0
312 	},
313 
314 	/* Fans */
315 	{
316 		.desc = "Fan0",
317 		.type = ENVSYS_SFANRPM,
318 		.bank = 0,
319 		.reg = 0x28,
320 		.refresh = wb_refresh_fanrpm,
321 		.rfact = 0
322 	},
323 	{
324 		.desc = "Fan1",
325 		.type = ENVSYS_SFANRPM,
326 		.bank = 0,
327 		.reg = 0x29,
328 		.refresh = wb_refresh_fanrpm,
329 		.rfact = 0
330 	},
331 	{
332 		.desc = "Fan2",
333 		.type = ENVSYS_SFANRPM,
334 		.bank = 0,
335 		.reg = 0x2a,
336 		.refresh = wb_refresh_fanrpm,
337 		.rfact = 0
338 	},
339 
340 	{ .desc = NULL }
341 };
342 
343 /* W8627EHF */
344 
345 /*
346  * The W83627EHF can measure voltages up to 2.048 V instead of the
347  * traditional 4.096 V.  For measuring positive voltages, this can be
348  * accounted for by halving the resistor factor.  Negative voltages
349  * need special treatment, also because the reference voltage is 2.048 V
350  * instead of the traditional 3.6 V.
351  */
352 static struct lm_sensor w83627ehf_sensors[] = {
353 	/* Voltage */
354 	{
355 		.desc = "VCore",
356 		.type = ENVSYS_SVOLTS_DC,
357 		.bank = 0,
358 		.reg = 0x20,
359 		.refresh = lm_refresh_volt,
360 		.rfact = RFACT_NONE / 2
361 	},
362 	{
363 		.desc = "+12V",
364 		.type = ENVSYS_SVOLTS_DC,
365 		.bank = 0,
366 		.reg = 0x21,
367 		.refresh = lm_refresh_volt,
368 		.rfact = RFACT(56, 10) / 2
369 	},
370 	{
371 		.desc = "+3.3V",
372 		.type = ENVSYS_SVOLTS_DC,
373 		.bank = 0,
374 		.reg = 0x22,
375 		.refresh = lm_refresh_volt,
376 		.rfact = RFACT(34, 34) / 2
377 	},
378 	{
379 		.desc = "VIN3",
380 		.type = ENVSYS_SVOLTS_DC,
381 		.bank = 0,
382 		.reg = 0x23,
383 		.refresh = lm_refresh_volt,
384 		.rfact = RFACT(34, 34) / 2
385 	},
386 	{
387 		.desc = "-12V",
388 		.type = ENVSYS_SVOLTS_DC,
389 		.bank = 0,
390 		.reg = 0x24,
391 		.refresh = wb_w83627ehf_refresh_nvolt,
392 		.rfact = 0
393 	},
394 	{
395 		.desc = "VIN5",
396 		.type = ENVSYS_SVOLTS_DC,
397 		.bank = 0,
398 		.reg = 0x25,
399 		.refresh = lm_refresh_volt,
400 		.rfact = RFACT_NONE / 2
401 	},
402 	{
403 		.desc = "VIN6",
404 		.type = ENVSYS_SVOLTS_DC,
405 		.bank = 0,
406 		.reg = 0x26,
407 		.refresh = lm_refresh_volt,
408 		.rfact = RFACT_NONE / 2
409 	},
410 	{
411 		.desc = "3.3VSB",
412 		.type = ENVSYS_SVOLTS_DC,
413 		.bank = 5,
414 		.reg = 0x50,
415 		.refresh = lm_refresh_volt,
416 		.rfact = RFACT(34, 34) / 2
417 	},
418 	{
419 		.desc = "VBAT",
420 		.type = ENVSYS_SVOLTS_DC,
421 		.bank = 5,
422 		.reg = 0x51,
423 		.refresh = lm_refresh_volt,
424 		.rfact = RFACT_NONE / 2
425 	},
426 	{
427 		.desc = "VIN8",
428 		.type = ENVSYS_SVOLTS_DC,
429 		.bank = 5,
430 		.reg = 0x52,
431 		.refresh = lm_refresh_volt,
432 		.rfact = RFACT_NONE / 2
433 	},
434 
435 	/* Temperature */
436 	{
437 		.desc = "Temp0",
438 		.type = ENVSYS_STEMP,
439 		.bank = 0,
440 		.reg = 0x27,
441 		.refresh = lm_refresh_temp,
442 		.rfact = 0
443 	},
444 	{
445 		.desc = "Temp1",
446 		.type = ENVSYS_STEMP,
447 		.bank = 1,
448 		.reg = 0x50,
449 		.refresh = wb_refresh_temp,
450 		.rfact = 0
451 	},
452 	{
453 		.desc = "Temp2",
454 		.type = ENVSYS_STEMP,
455 		.bank = 2,
456 		.reg = 0x50,
457 		.refresh = wb_refresh_temp,
458 		.rfact = 0
459 	},
460 
461 	/* Fans */
462 	{
463 		.desc = "Fan0",
464 		.type = ENVSYS_SFANRPM,
465 		.bank = 0,
466 		.reg = 0x28,
467 		.refresh = wb_refresh_fanrpm,
468 		.rfact = 0
469 	},
470 	{
471 		.desc = "Fan1",
472 		.type = ENVSYS_SFANRPM,
473 		.bank = 0,
474 		.reg = 0x29,
475 		.refresh = wb_refresh_fanrpm,
476 		.rfact = 0
477 	},
478 	{
479 		.desc = "Fan2",
480 		.type = ENVSYS_SFANRPM,
481 		.bank = 0,
482 		.reg = 0x2a,
483 		.refresh = wb_refresh_fanrpm,
484 		.rfact = 0
485 	},
486 
487 	{ .desc = NULL }
488 };
489 
490 /*  W83627DHG */
491 static struct lm_sensor w83627dhg_sensors[] = {
492 	/* Voltage */
493 	{
494 		.desc = "VCore",
495 		.type = ENVSYS_SVOLTS_DC,
496 		.bank = 0,
497 		.reg = 0x20,
498 		.refresh = lm_refresh_volt,
499 		.rfact = RFACT_NONE / 2
500 	},
501 	{
502 		.desc = "+12V",
503 		.type = ENVSYS_SVOLTS_DC,
504 		.bank = 0,
505 		.reg = 0x21,
506 		.refresh = lm_refresh_volt,
507 		.rfact = RFACT(56, 10) / 2
508 	},
509 	{
510 		.desc = "AVCC",
511 		.type = ENVSYS_SVOLTS_DC,
512 		.bank = 0,
513 		.reg = 0x22,
514 		.refresh = lm_refresh_volt,
515 		.rfact = RFACT(34, 34) / 2
516 	},
517 	{
518 		.desc = "+3.3V",
519 		.type = ENVSYS_SVOLTS_DC,
520 		.bank = 0,
521 		.reg = 0x23,
522 		.refresh = lm_refresh_volt,
523 		.rfact = RFACT(34, 34) / 2
524 	},
525 	{
526 		.desc = "-12V",
527 		.type = ENVSYS_SVOLTS_DC,
528 		.bank = 0,
529 		.reg = 0x24,
530 		.refresh = wb_w83627ehf_refresh_nvolt,
531 		.rfact = 0
532 	},
533 	{
534 		.desc = "+5V",
535 		.type = ENVSYS_SVOLTS_DC,
536 		.bank = 0,
537 		.reg = 0x25,
538 		.refresh = lm_refresh_volt,
539 		.rfact = 16000
540 	},
541 	{
542 		.desc = "VIN3",
543 		.type = ENVSYS_SVOLTS_DC,
544 		.bank = 0,
545 		.reg = 0x26,
546 		.refresh = lm_refresh_volt,
547 		.rfact = RFACT_NONE
548 	},
549 	{
550 		.desc = "+3.3VSB",
551 		.type = ENVSYS_SVOLTS_DC,
552 		.bank = 5,
553 		.reg = 0x50,
554 		.refresh = lm_refresh_volt,
555 		.rfact = RFACT(34, 34) / 2
556 	},
557 	{
558 		.desc = "VBAT",
559 		.type = ENVSYS_SVOLTS_DC,
560 		.bank = 5,
561 		.reg = 0x51,
562 		.refresh = lm_refresh_volt,
563 		.rfact = RFACT(34, 34) / 2
564 	},
565 
566 	/* Temperature */
567 	{
568 		.desc = "MB Temperature",
569 		.type = ENVSYS_STEMP,
570 		.bank = 0,
571 		.reg = 0x27,
572 		.refresh = lm_refresh_temp,
573 		.rfact = 0
574 	},
575 	{
576 		.desc = "CPU Temperature",
577 		.type = ENVSYS_STEMP,
578 		.bank = 1,
579 		.reg = 0x50,
580 		.refresh = lm_refresh_temp,
581 		.rfact = 0
582 	},
583 	{
584 		.desc = "Aux Temp",
585 		.type = ENVSYS_STEMP,
586 		.bank = 2,
587 		.reg = 0x50,
588 		.refresh = lm_refresh_temp,
589 		.rfact = 0
590 	},
591 
592 	/* Fans */
593 	{
594 		.desc = "System Fan",
595 		.type = ENVSYS_SFANRPM,
596 		.bank = 0,
597 		.reg = 0x28,
598 		.refresh = wb_refresh_fanrpm,
599 		.rfact = 0
600 	},
601 	{
602 		.desc = "CPU Fan",
603 		.type = ENVSYS_SFANRPM,
604 		.bank = 0,
605 		.reg = 0x29,
606 		.refresh = wb_refresh_fanrpm,
607 		.rfact = 0
608 	},
609 	{
610 		.desc = "Aux Fan",
611 		.type = ENVSYS_SFANRPM,
612 		.bank = 0,
613 		.reg = 0x2a,
614 		.refresh = wb_refresh_fanrpm,
615 		.rfact = 0
616 	},
617 
618 	{ .desc = NULL }
619 };
620 
621 /* W83637HF */
622 static struct lm_sensor w83637hf_sensors[] = {
623 	/* Voltage */
624 	{
625 		.desc = "VCore",
626 		.type = ENVSYS_SVOLTS_DC,
627 		.bank = 0,
628 		.reg = 0x20,
629 		.refresh = wb_w83637hf_refresh_vcore,
630 		.rfact = 0
631 	},
632 	{
633 		.desc = "+12V",
634 		.type = ENVSYS_SVOLTS_DC,
635 		.bank = 0,
636 		.reg = 0x21,
637 		.refresh = lm_refresh_volt,
638 		.rfact = RFACT(28, 10)
639 	},
640 	{
641 		.desc = "+3.3V",
642 		.type = ENVSYS_SVOLTS_DC,
643 		.bank = 0,
644 		.reg = 0x22,
645 		.refresh = lm_refresh_volt,
646 		.rfact = RFACT_NONE
647 	},
648 	{
649 		.desc = "+5V",
650 		.type = ENVSYS_SVOLTS_DC,
651 		.bank = 0,
652 		.reg = 0x23,
653 		.refresh = lm_refresh_volt,
654 		.rfact = RFACT(34, 51)
655 	},
656 	{
657 		.desc = "-12V",
658 		.type = ENVSYS_SVOLTS_DC,
659 		.bank = 0,
660 		.reg = 0x24,
661 		.refresh = wb_refresh_nvolt,
662 		.rfact = RFACT(232, 56)
663 	},
664 	{
665 		.desc = "5VSB",
666 		.type = ENVSYS_SVOLTS_DC,
667 		.bank = 5,
668 		.reg = 0x50,
669 		.refresh = lm_refresh_volt,
670 		.rfact = RFACT(34, 51)
671 	},
672 	{
673 		.desc = "VBAT",
674 		.type = ENVSYS_SVOLTS_DC,
675 		.bank = 5,
676 		.reg = 0x51,
677 		.refresh = lm_refresh_volt,
678 		.rfact = RFACT_NONE
679 	},
680 
681 	/* Temperature */
682 	{
683 		.desc = "Temp0",
684 		.type = ENVSYS_STEMP,
685 		.bank = 0,
686 		.reg = 0x27,
687 		.refresh = lm_refresh_temp,
688 		.rfact = 0
689 	},
690 	{
691 		.desc = "Temp1",
692 		.type = ENVSYS_STEMP,
693 		.bank = 1,
694 		.reg = 0x50,
695 		.refresh = wb_refresh_temp,
696 		.rfact = 0
697 	},
698 	{
699 		.desc = "Temp2",
700 		.type = ENVSYS_STEMP,
701 		.bank = 2,
702 		.reg = 0x50,
703 		.refresh = wb_refresh_temp,
704 		.rfact = 0
705 	},
706 
707 	/* Fans */
708 	{
709 		.desc = "Fan0",
710 		.type = ENVSYS_SFANRPM,
711 		.bank = 0,
712 		.reg = 0x28,
713 		.refresh = wb_refresh_fanrpm,
714 		.rfact = 0
715 	},
716 	{
717 		.desc = "Fan1",
718 		.type = ENVSYS_SFANRPM,
719 		.bank = 0,
720 		.reg = 0x29,
721 		.refresh = wb_refresh_fanrpm,
722 		.rfact = 0
723 	},
724 	{
725 		.desc = "Fan2",
726 		.type = ENVSYS_SFANRPM,
727 		.bank = 0,
728 		.reg = 0x2a,
729 		.refresh = wb_refresh_fanrpm,
730 		.rfact = 0
731 	},
732 
733 	{ .desc = NULL }
734 };
735 
736 /* W83697HF */
737 static struct lm_sensor w83697hf_sensors[] = {
738 	/* Voltage */
739 	{
740 		.desc = "VCore",
741 		.type = ENVSYS_SVOLTS_DC,
742 		.bank = 0,
743 		.reg = 0x20,
744 		.refresh = lm_refresh_volt,
745 		.rfact = RFACT_NONE
746 	},
747 	{
748 		.desc = "+3.3V",
749 		.type = ENVSYS_SVOLTS_DC,
750 		.bank = 0,
751 		.reg = 0x22,
752 		.refresh = lm_refresh_volt,
753 		.rfact = RFACT_NONE
754 	},
755 	{
756 		.desc = "+5V",
757 		.type = ENVSYS_SVOLTS_DC,
758 		.bank = 0,
759 		.reg = 0x23,
760 		.refresh = lm_refresh_volt,
761 		.rfact = RFACT(34, 50)
762 	},
763 	{
764 		.desc = "+12V",
765 		.type = ENVSYS_SVOLTS_DC,
766 		.bank = 0,
767 		.reg = 0x24,
768 		.refresh = lm_refresh_volt,
769 		.rfact = RFACT(28, 10)
770 	},
771 	{
772 		.desc = "-12V",
773 		.type = ENVSYS_SVOLTS_DC,
774 		.bank = 0,
775 		.reg = 0x25,
776 		.refresh = wb_refresh_nvolt,
777 		.rfact = RFACT(232, 56)
778 	},
779 	{
780 		.desc = "-5V",
781 		.type = ENVSYS_SVOLTS_DC,
782 		.bank = 0,
783 		.reg = 0x26,
784 		.refresh = wb_refresh_nvolt,
785 		.rfact = RFACT(120, 56)
786 	},
787 	{
788 		.desc = "5VSB",
789 		.type = ENVSYS_SVOLTS_DC,
790 		.bank = 5,
791 		.reg = 0x50,
792 		.refresh = lm_refresh_volt,
793 		.rfact = RFACT(17, 33)
794 	},
795 	{
796 		.desc = "VBAT",
797 		.type = ENVSYS_SVOLTS_DC,
798 		.bank = 5,
799 		.reg = 0x51,
800 		.refresh = lm_refresh_volt,
801 		.rfact = RFACT_NONE
802 	},
803 
804 	/* Temperature */
805 	{
806 		.desc = "Temp0",
807 		.type = ENVSYS_STEMP,
808 		.bank = 0,
809 		.reg = 0x27,
810 		.refresh = lm_refresh_temp,
811 		.rfact = 0
812 	},
813 	{
814 		.desc = "Temp1",
815 		.type = ENVSYS_STEMP,
816 		.bank = 1,
817 		.reg = 0x50,
818 		.refresh = wb_refresh_temp,
819 		.rfact = 0
820 	},
821 
822 	/* Fans */
823 	{
824 		.desc = "Fan0",
825 		.type = ENVSYS_SFANRPM,
826 		.bank = 0,
827 		.reg = 0x28,
828 		.refresh = wb_refresh_fanrpm,
829 		.rfact = 0
830 	},
831 	{
832 		.desc = "Fan1",
833 		.type = ENVSYS_SFANRPM,
834 		.bank = 0,
835 		.reg = 0x29,
836 		.refresh = wb_refresh_fanrpm,
837 		.rfact = 0
838 	},
839 
840 	{ .desc = NULL }
841 };
842 
843 /* W83781D */
844 
845 /*
846  * The datasheet doesn't mention the (internal) resistors used for the
847  * +5V, but using the values from the W83782D datasheets seems to
848  * provide sensible results.
849  */
850 static struct lm_sensor w83781d_sensors[] = {
851 	/* Voltage */
852 	{
853 		.desc = "VCore A",
854 		.type = ENVSYS_SVOLTS_DC,
855 		.bank = 0,
856 		.reg = 0x20,
857 		.refresh = lm_refresh_volt,
858 		.rfact = RFACT_NONE
859 	},
860 	{
861 		.desc = "VCore B",
862 		.type = ENVSYS_SVOLTS_DC,
863 		.bank = 0,
864 		.reg = 0x21,
865 		.refresh = lm_refresh_volt,
866 		.rfact = RFACT_NONE
867 	},
868 	{
869 		.desc = "+3.3V",
870 		.type = ENVSYS_SVOLTS_DC,
871 		.bank = 0,
872 		.reg = 0x22,
873 		.refresh = lm_refresh_volt,
874 		.rfact = RFACT_NONE
875 	},
876 	{
877 		.desc = "+5V",
878 		.type = ENVSYS_SVOLTS_DC,
879 		.bank = 0,
880 		.reg = 0x23,
881 		.refresh = lm_refresh_volt,
882 		.rfact = RFACT(34, 50)
883 	},
884 	{
885 		.desc = "+12V",
886 		.type = ENVSYS_SVOLTS_DC,
887 		.bank = 0,
888 		.reg = 0x24,
889 		.refresh = lm_refresh_volt,
890 		.rfact = RFACT(28, 10)
891 	},
892 	{
893 		.desc = "-12V",
894 		.type = ENVSYS_SVOLTS_DC,
895 		.bank = 0,
896 		.reg = 0x25,
897 		.refresh = lm_refresh_volt,
898 		.rfact = NRFACT(2100, 604)
899 	},
900 	{
901 		.desc = "-5V",
902 		.type = ENVSYS_SVOLTS_DC,
903 		.bank = 0,
904 		.reg = 0x26,
905 		.refresh = lm_refresh_volt,
906 		.rfact = NRFACT(909, 604)
907 	},
908 
909 	/* Temperature */
910 	{
911 		.desc = "Temp0",
912 		.type = ENVSYS_STEMP,
913 		.bank = 0,
914 		.reg = 0x27,
915 		.refresh = lm_refresh_temp,
916 		.rfact = 0
917 	},
918 	{
919 		.desc = "Temp1",
920 		.type = ENVSYS_STEMP,
921 		.bank = 1,
922 		.reg = 0x50,
923 		.refresh = wb_refresh_temp,
924 		.rfact = 0
925 	},
926 	{
927 		.desc = "Temp2",
928 		.type = ENVSYS_STEMP,
929 		.bank = 2,
930 		.reg = 0x50,
931 		.refresh = wb_refresh_temp,
932 		.rfact = 0
933 	},
934 
935 	/* Fans */
936 	{
937 		.desc = "Fan0",
938 		.type = ENVSYS_SFANRPM,
939 		.bank = 0,
940 		.reg = 0x28,
941 		.refresh = lm_refresh_fanrpm,
942 		.rfact = 0
943 	},
944 	{
945 		.desc = "Fan1",
946 		.type = ENVSYS_SFANRPM,
947 		.bank = 0,
948 		.reg = 0x29,
949 		.refresh = lm_refresh_fanrpm,
950 		.rfact = 0
951 	},
952 	{
953 		.desc = "Fan2",
954 		.type = ENVSYS_SFANRPM,
955 		.bank = 0,
956 		.reg = 0x2a,
957 		.refresh = lm_refresh_fanrpm,
958 		.rfact = 0
959 	},
960 
961 	{ .desc = NULL }
962 };
963 
964 /* W83782D */
965 static struct lm_sensor w83782d_sensors[] = {
966 	/* Voltage */
967 	{
968 		.desc = "VCore",
969 		.type = ENVSYS_SVOLTS_DC,
970 		.bank = 0,
971 		.reg = 0x20,
972 		.refresh = lm_refresh_volt,
973 		.rfact = RFACT_NONE
974 	},
975 	{
976 		.desc = "VINR0",
977 		.type = ENVSYS_SVOLTS_DC,
978 		.bank = 0,
979 		.reg = 0x21,
980 		.refresh = lm_refresh_volt,
981 		.rfact = RFACT_NONE
982 	},
983 	{
984 		.desc = "+3.3V",
985 		.type = ENVSYS_SVOLTS_DC,
986 		.bank = 0,
987 		.reg = 0x22,
988 		.refresh = lm_refresh_volt,
989 		.rfact = RFACT_NONE
990 	},
991 	{
992 		.desc = "+5V",
993 		.type = ENVSYS_SVOLTS_DC,
994 		.bank = 0,
995 		.reg = 0x23,
996 		.refresh = lm_refresh_volt,
997 		.rfact = RFACT(34, 50)
998 	},
999 	{
1000 		.desc = "+12V",
1001 		.type = ENVSYS_SVOLTS_DC,
1002 		.bank = 0,
1003 		.reg = 0x24,
1004 		.refresh = lm_refresh_volt,
1005 		.rfact = RFACT(28, 10)
1006 	},
1007 	{
1008 		.desc = "-12V",
1009 		.type = ENVSYS_SVOLTS_DC,
1010 		.bank = 0,
1011 		.reg = 0x25,
1012 		.refresh = wb_refresh_nvolt,
1013 		.rfact = RFACT(232, 56)
1014 	},
1015 	{
1016 		.desc = "-5V",
1017 		.type = ENVSYS_SVOLTS_DC,
1018 		.bank = 0,
1019 		.reg = 0x26,
1020 		.refresh = wb_refresh_nvolt,
1021 		.rfact = RFACT(120, 56)
1022 	},
1023 	{
1024 		.desc = "5VSB",
1025 		.type = ENVSYS_SVOLTS_DC,
1026 		.bank = 5,
1027 		.reg = 0x50,
1028 		.refresh = lm_refresh_volt,
1029 		.rfact = RFACT(17, 33)
1030 	},
1031 	{
1032 		.desc = "VBAT",
1033 		.type = ENVSYS_SVOLTS_DC,
1034 		.bank = 5,
1035 		.reg = 0x51,
1036 		.refresh = lm_refresh_volt,
1037 		.rfact = RFACT_NONE
1038 	},
1039 
1040 	/* Temperature */
1041 	{
1042 		.desc = "Temp0",
1043 		.type = ENVSYS_STEMP,
1044 		.bank = 0,
1045 		.reg = 0x27,
1046 		.refresh = lm_refresh_temp,
1047 		.rfact = 0
1048 	},
1049 	{
1050 		.desc = "Temp1",
1051 		.type = ENVSYS_STEMP,
1052 		.bank = 1,
1053 		.reg = 0x50,
1054 		.refresh = wb_refresh_temp,
1055 		.rfact = 0
1056 	},
1057 	{
1058 		.desc = "Temp2",
1059 		.type = ENVSYS_STEMP,
1060 		.bank = 2,
1061 		.reg = 0x50,
1062 		.refresh = wb_refresh_temp,
1063 		.rfact = 0
1064 	},
1065 
1066 	/* Fans */
1067 	{
1068 		.desc = "Fan0",
1069 		.type = ENVSYS_SFANRPM,
1070 		.bank = 0,
1071 		.reg = 0x28,
1072 		.refresh = wb_refresh_fanrpm,
1073 		.rfact = 0
1074 	},
1075 	{
1076 		.desc = "Fan1",
1077 		.type = ENVSYS_SFANRPM,
1078 		.bank = 0,
1079 		.reg = 0x29,
1080 		.refresh = wb_refresh_fanrpm,
1081 		.rfact = 0
1082 	},
1083 	{
1084 		.desc = "Fan2",
1085 		.type = ENVSYS_SFANRPM,
1086 		.bank = 0,
1087 		.reg = 0x2a,
1088 		.refresh = wb_refresh_fanrpm,
1089 		.rfact = 0
1090 	},
1091 
1092 	{ .desc = NULL }
1093 };
1094 
1095 /* W83783S */
1096 static struct lm_sensor w83783s_sensors[] = {
1097 	/* Voltage */
1098 	{
1099 		.desc = "VCore",
1100 		.type = ENVSYS_SVOLTS_DC,
1101 		.bank = 0,
1102 		.reg = 0x20,
1103 		.refresh = lm_refresh_volt,
1104 		.rfact = RFACT_NONE
1105 	},
1106 	{
1107 		.desc = "+3.3V",
1108 		.type = ENVSYS_SVOLTS_DC,
1109 		.bank = 0,
1110 		.reg = 0x22,
1111 		.refresh = lm_refresh_volt,
1112 		.rfact = RFACT_NONE
1113 	},
1114 	{
1115 		.desc = "+5V",
1116 		.type = ENVSYS_SVOLTS_DC,
1117 		.bank = 0,
1118 		.reg = 0x23,
1119 		.refresh = lm_refresh_volt,
1120 		.rfact = RFACT(34, 50)
1121 	},
1122 	{
1123 		.desc = "+12V",
1124 		.type = ENVSYS_SVOLTS_DC,
1125 		.bank = 0,
1126 		.reg = 0x24,
1127 		.refresh = lm_refresh_volt,
1128 		.rfact = RFACT(28, 10)
1129 	},
1130 	{
1131 		.desc = "-12V",
1132 		.type = ENVSYS_SVOLTS_DC,
1133 		.bank = 0,
1134 		.reg = 0x25,
1135 		.refresh = wb_refresh_nvolt,
1136 		.rfact = RFACT(232, 56)
1137 	},
1138 	{
1139 		.desc = "-5V",
1140 		.type = ENVSYS_SVOLTS_DC,
1141 		.bank = 0,
1142 		.reg = 0x26,
1143 		.refresh = wb_refresh_nvolt,
1144 		.rfact = RFACT(120, 56)
1145 	},
1146 
1147 	/* Temperature */
1148 	{
1149 		.desc = "Temp0",
1150 		.type = ENVSYS_STEMP,
1151 		.bank = 0,
1152 		.reg = 0x27,
1153 		.refresh = lm_refresh_temp,
1154 		.rfact = 0
1155 	},
1156 	{
1157 		.desc = "Temp1",
1158 		.type = ENVSYS_STEMP,
1159 		.bank = 1,
1160 		.reg = 0x50,
1161 		.refresh = wb_refresh_temp,
1162 		.rfact = 0
1163 	},
1164 
1165 	/* Fans */
1166 	{
1167 		.desc = "Fan0",
1168 		.type = ENVSYS_SFANRPM,
1169 		.bank = 0,
1170 		.reg = 0x28,
1171 		.refresh = wb_refresh_fanrpm,
1172 		.rfact = 0
1173 	},
1174 	{
1175 		.desc = "Fan1",
1176 		.type = ENVSYS_SFANRPM,
1177 		.bank = 0,
1178 		.reg = 0x29,
1179 		.refresh = wb_refresh_fanrpm,
1180 		.rfact = 0
1181 	},
1182 	{
1183 		.desc = "Fan2",
1184 		.type = ENVSYS_SFANRPM,
1185 		.bank = 0,
1186 		.reg = 0x2a,
1187 		.refresh = wb_refresh_fanrpm,
1188 		.rfact = 0
1189 	},
1190 
1191 	{ .desc = NULL }
1192 };
1193 
1194 /* W83791D */
1195 static struct lm_sensor w83791d_sensors[] = {
1196 	/* Voltage */
1197 	{
1198 		.desc = "VCore",
1199 		.type = ENVSYS_SVOLTS_DC,
1200 		.bank = 0,
1201 		.reg = 0x20,
1202 		.refresh = lm_refresh_volt,
1203 		.rfact = 10000
1204 	},
1205 	{
1206 		.desc = "VINR0",
1207 		.type = ENVSYS_SVOLTS_DC,
1208 		.bank = 0,
1209 		.reg = 0x21,
1210 		.refresh = lm_refresh_volt,
1211 		.rfact = 10000
1212 	},
1213 	{
1214 		.desc = "+3.3V",
1215 		.type = ENVSYS_SVOLTS_DC,
1216 		.bank = 0,
1217 		.reg = 0x22,
1218 		.refresh = lm_refresh_volt,
1219 		.rfact = 10000
1220 	},
1221 	{
1222 		.desc = "+5V",
1223 		.type = ENVSYS_SVOLTS_DC,
1224 		.bank = 0,
1225 		.reg = 0x23,
1226 		.refresh = lm_refresh_volt,
1227 		.rfact = RFACT(34, 50)
1228 	},
1229 	{
1230 		.desc = "+12V",
1231 		.type = ENVSYS_SVOLTS_DC,
1232 		.bank = 0,
1233 		.reg = 0x24,
1234 		.refresh = lm_refresh_volt,
1235 		.rfact = RFACT(28, 10)
1236 	},
1237 	{
1238 		.desc = "-12V",
1239 		.type = ENVSYS_SVOLTS_DC,
1240 		.bank = 0,
1241 		.reg = 0x25,
1242 		.refresh = wb_refresh_nvolt,
1243 		.rfact = RFACT(232, 56)
1244 	},
1245 	{
1246 		.desc = "-5V",
1247 		.type = ENVSYS_SVOLTS_DC,
1248 		.bank = 0,
1249 		.reg = 0x26,
1250 		.refresh = wb_refresh_nvolt,
1251 		.rfact = RFACT(120, 56)
1252 	},
1253 	{
1254 		.desc = "5VSB",
1255 		.type = ENVSYS_SVOLTS_DC,
1256 		.bank = 0,
1257 		.reg = 0xb0,
1258 		.refresh = lm_refresh_volt,
1259 		.rfact = RFACT(17, 33)
1260 	},
1261 	{
1262 		.desc = "VBAT",
1263 		.type = ENVSYS_SVOLTS_DC,
1264 		.bank = 0,
1265 		.reg = 0xb1,
1266 		.refresh = lm_refresh_volt,
1267 		.rfact = RFACT_NONE
1268 	},
1269 	{
1270 		.desc = "VINR1",
1271 		.type = ENVSYS_SVOLTS_DC,
1272 		.bank = 0,
1273 		.reg = 0xb2,
1274 		.refresh = lm_refresh_volt,
1275 		.rfact = RFACT_NONE
1276 	},
1277 
1278 	/* Temperature */
1279 	{
1280 		.desc = "Temp0",
1281 		.type = ENVSYS_STEMP,
1282 		.bank = 0,
1283 		.reg = 0x27,
1284 		.refresh = lm_refresh_temp,
1285 		.rfact = 0
1286 	},
1287 	{
1288 		.desc = "Temp1",
1289 		.type = ENVSYS_STEMP,
1290 		.bank = 0,
1291 		.reg = 0xc0,
1292 		.refresh = wb_refresh_temp,
1293 		.rfact = 0
1294 	},
1295 	{
1296 		.desc = "Temp2",
1297 		.type = ENVSYS_STEMP,
1298 		.bank = 0,
1299 		.reg = 0xc8,
1300 		.refresh = wb_refresh_temp,
1301 		.rfact = 0
1302 	},
1303 
1304 	/* Fans */
1305 	{
1306 		.desc = "Fan0",
1307 		.type = ENVSYS_SFANRPM,
1308 		.bank = 0,
1309 		.reg = 0x28,
1310 		.refresh = wb_refresh_fanrpm,
1311 		.rfact = 0
1312 	},
1313 	{
1314 		.desc = "Fan1",
1315 		.type = ENVSYS_SFANRPM,
1316 		.bank = 0,
1317 		.reg = 0x29,
1318 		.refresh = wb_refresh_fanrpm,
1319 		.rfact = 0
1320 	},
1321 	{
1322 		.desc = "Fan2",
1323 		.type = ENVSYS_SFANRPM,
1324 		.bank = 0,
1325 		.reg = 0x2a,
1326 		.refresh = wb_refresh_fanrpm,
1327 		.rfact = 0
1328 	},
1329 	{
1330 		.desc = "Fan3",
1331 		.type = ENVSYS_SFANRPM,
1332 		.bank = 0,
1333 		.reg = 0xba,
1334 		.refresh = wb_refresh_fanrpm,
1335 		.rfact = 0
1336 	},
1337 	{
1338 		.desc = "Fan4",
1339 		.type = ENVSYS_SFANRPM,
1340 		.bank = 0,
1341 		.reg = 0xbb,
1342 		.refresh = wb_refresh_fanrpm,
1343 		.rfact = 0
1344 	},
1345 
1346         { .desc = NULL }
1347 };
1348 
1349 /* W83792D */
1350 static struct lm_sensor w83792d_sensors[] = {
1351 	/* Voltage */
1352 	{
1353 		.desc = "VCore A",
1354 		.type = ENVSYS_SVOLTS_DC,
1355 		.bank = 0,
1356 		.reg = 0x20,
1357 		.refresh = lm_refresh_volt,
1358 		.rfact = RFACT_NONE
1359 	},
1360 	{
1361 		.desc = "VCore B",
1362 		.type = ENVSYS_SVOLTS_DC,
1363 		.bank = 0,
1364 		.reg = 0x21,
1365 		.refresh = lm_refresh_volt,
1366 		.rfact = RFACT_NONE
1367 	},
1368 	{
1369 		.desc = "+3.3V",
1370 		.type = ENVSYS_SVOLTS_DC,
1371 		.bank = 0,
1372 		.reg = 0x22,
1373 		.refresh = lm_refresh_volt,
1374 		.rfact = RFACT_NONE
1375 	},
1376 	{
1377 		.desc = "-5V",
1378 		.type = ENVSYS_SVOLTS_DC,
1379 		.bank = 0,
1380 		.reg = 0x23,
1381 		.refresh = wb_refresh_nvolt,
1382 		.rfact = RFACT(120, 56)
1383 	},
1384 	{
1385 		.desc = "+12V",
1386 		.type = ENVSYS_SVOLTS_DC,
1387 		.bank = 0,
1388 		.reg = 0x24,
1389 		.refresh = lm_refresh_volt,
1390 		.rfact = RFACT(28, 10)
1391 	},
1392 	{
1393 		.desc = "-12V",
1394 		.type = ENVSYS_SVOLTS_DC,
1395 		.bank = 0,
1396 		.reg = 0x25,
1397 		.refresh = wb_refresh_nvolt,
1398 		.rfact = RFACT(232, 56)
1399 	},
1400 	{
1401 		.desc = "+5V",
1402 		.type = ENVSYS_SVOLTS_DC,
1403 		.bank = 0,
1404 		.reg = 0x26,
1405 		.refresh = lm_refresh_volt,
1406 		.rfact = RFACT(34, 50)
1407 	},
1408 	{
1409 		.desc = "5VSB",
1410 		.type = ENVSYS_SVOLTS_DC,
1411 		.bank = 0,
1412 		.reg = 0xb0,
1413 		.refresh = lm_refresh_volt,
1414 		.rfact = RFACT(17, 33)
1415 	},
1416 	{
1417 		.desc = "VBAT",
1418 		.type = ENVSYS_SVOLTS_DC,
1419 		.bank = 0,
1420 		.reg = 0xb1,
1421 		.refresh = lm_refresh_volt,
1422 		.rfact = RFACT_NONE
1423 	},
1424 
1425 	/* Temperature */
1426 	{
1427 		.desc = "Temp0",
1428 		.type = ENVSYS_STEMP,
1429 		.bank = 0,
1430 		.reg = 0x27,
1431 		.refresh = lm_refresh_temp,
1432 		.rfact = 0
1433 	},
1434 	{
1435 		.desc = "Temp1",
1436 		.type = ENVSYS_STEMP,
1437 		.bank = 0,
1438 		.reg = 0xc0,
1439 		.refresh = wb_refresh_temp,
1440 		.rfact = 0
1441 	},
1442 	{
1443 		.desc = "Temp2",
1444 		.type = ENVSYS_STEMP,
1445 		.bank = 0,
1446 		.reg = 0xc8,
1447 		.refresh = wb_refresh_temp,
1448 		.rfact = 0
1449 	},
1450 
1451 	/* Fans */
1452 	{
1453 		.desc = "Fan0",
1454 		.type = ENVSYS_SFANRPM,
1455 		.bank = 0,
1456 		.reg = 0x28,
1457 		.refresh = wb_w83792d_refresh_fanrpm,
1458 		.rfact = 0
1459 	},
1460 	{
1461 		.desc = "Fan1",
1462 		.type = ENVSYS_SFANRPM,
1463 		.bank = 0,
1464 		.reg = 0x29,
1465 		.refresh = wb_w83792d_refresh_fanrpm,
1466 		.rfact = 0
1467 	},
1468 	{
1469 		.desc = "Fan2",
1470 		.type = ENVSYS_SFANRPM,
1471 		.bank = 0,
1472 		.reg = 0x2a,
1473 		.refresh = wb_w83792d_refresh_fanrpm,
1474 		.rfact = 0
1475 	},
1476 	{
1477 		.desc = "Fan3",
1478 		.type = ENVSYS_SFANRPM,
1479 		.bank = 0,
1480 		.reg = 0xb8,
1481 		.refresh = wb_w83792d_refresh_fanrpm,
1482 		.rfact = 0
1483 	},
1484 	{
1485 		.desc = "Fan4",
1486 		.type = ENVSYS_SFANRPM,
1487 		.bank = 0,
1488 		.reg = 0xb9,
1489 		.refresh = wb_w83792d_refresh_fanrpm,
1490 		.rfact = 0
1491 	},
1492 	{
1493 		.desc = "Fan5",
1494 		.type = ENVSYS_SFANRPM,
1495 		.bank = 0,
1496 		.reg = 0xba,
1497 		.refresh = wb_w83792d_refresh_fanrpm,
1498 		.rfact = 0
1499 	},
1500 	{
1501 		.desc = "Fan6",
1502 		.type = ENVSYS_SFANRPM,
1503 		.bank = 0,
1504 		.reg = 0xbe,
1505 		.refresh = wb_w83792d_refresh_fanrpm,
1506 		.rfact = 0
1507 	},
1508 
1509 	{ .desc = NULL }
1510 };
1511 
1512 /* AS99127F */
1513 static struct lm_sensor as99127f_sensors[] = {
1514 	/* Voltage */
1515 	{
1516 		.desc = "VCore A",
1517 		.type = ENVSYS_SVOLTS_DC,
1518 		.bank = 0,
1519 		.reg = 0x20,
1520 		.refresh = lm_refresh_volt,
1521 		.rfact = RFACT_NONE
1522 	},
1523 	{
1524 		.desc = "VCore B",
1525 		.type = ENVSYS_SVOLTS_DC,
1526 		.bank = 0,
1527 		.reg = 0x21,
1528 		.refresh = lm_refresh_volt,
1529 		.rfact = RFACT_NONE
1530 	},
1531 	{
1532 		.desc = "+3.3V",
1533 		.type = ENVSYS_SVOLTS_DC,
1534 		.bank = 0,
1535 		.reg = 0x22,
1536 		.refresh = lm_refresh_volt,
1537 		.rfact = RFACT_NONE
1538 	},
1539 	{
1540 		.desc = "+5V",
1541 		.type = ENVSYS_SVOLTS_DC,
1542 		.bank = 0,
1543 		.reg = 0x23,
1544 		.refresh = lm_refresh_volt,
1545 		.rfact = RFACT(34, 50)
1546 	},
1547 	{
1548 		.desc = "+12V",
1549 		.type = ENVSYS_SVOLTS_DC,
1550 		.bank = 0,
1551 		.reg = 0x24,
1552 		.refresh = lm_refresh_volt,
1553 		.rfact = RFACT(28, 10)
1554 	},
1555 	{
1556 		.desc = "-12V",
1557 		.type = ENVSYS_SVOLTS_DC,
1558 		.bank = 0,
1559 		.reg = 0x25,
1560 		.refresh = wb_refresh_nvolt,
1561 		.rfact = RFACT(232, 56)
1562 	},
1563 	{
1564 		.desc = "-5V",
1565 		.type = ENVSYS_SVOLTS_DC,
1566 		.bank = 0,
1567 		.reg = 0x26,
1568 		.refresh = wb_refresh_nvolt,
1569 		.rfact = RFACT(120, 56)
1570 	},
1571 
1572 	/* Temperature */
1573 	{
1574 		.desc = "Temp0",
1575 		.type = ENVSYS_STEMP,
1576 		.bank = 0,
1577 		.reg = 0x27,
1578 		.refresh = lm_refresh_temp,
1579 		.rfact = 0
1580 	},
1581 	{
1582 		.desc = "Temp1",
1583 		.type = ENVSYS_STEMP,
1584 		.bank = 1,
1585 		.reg = 0x50,
1586 		.refresh = as_refresh_temp,
1587 		.rfact = 0
1588 	},
1589 	{
1590 		.desc = "Temp2",
1591 		.type = ENVSYS_STEMP,
1592 		.bank = 2,
1593 		.reg = 0x50,
1594 		.refresh = as_refresh_temp,
1595 		.rfact = 0
1596 	},
1597 
1598 	/* Fans */
1599 	{
1600 		.desc = "Fan0",
1601 		.type = ENVSYS_SFANRPM,
1602 		.bank = 0,
1603 		.reg = 0x28,
1604 		.refresh = lm_refresh_fanrpm,
1605 		.rfact = 0
1606 	},
1607 	{
1608 		.desc = "Fan1",
1609 		.type = ENVSYS_SFANRPM,
1610 		.bank = 0,
1611 		.reg = 0x29,
1612 		.refresh = lm_refresh_fanrpm,
1613 		.rfact = 0
1614 	},
1615 	{
1616 		.desc = "Fan2",
1617 		.type = ENVSYS_SFANRPM,
1618 		.bank = 0,
1619 		.reg = 0x2a,
1620 		.refresh = lm_refresh_fanrpm,
1621 		.rfact = 0
1622 	},
1623 
1624 	{ .desc = NULL }
1625 };
1626 
1627 static void
1628 lm_generic_banksel(struct lm_softc *lmsc, int bank)
1629 {
1630 	(*lmsc->lm_writereg)(lmsc, WB_BANKSEL, bank);
1631 }
1632 
1633 /*
1634  * bus independent probe
1635  */
1636 int
1637 lm_probe(bus_space_tag_t iot, bus_space_handle_t ioh)
1638 {
1639 	uint8_t cr;
1640 	int rv;
1641 
1642 	/* Check for some power-on defaults */
1643 	bus_space_write_1(iot, ioh, LMC_ADDR, LMD_CONFIG);
1644 
1645 	/* Perform LM78 reset */
1646 	/* bus_space_write_1(iot, ioh, LMC_DATA, 0x80); */
1647 
1648 	/* XXX - Why do I have to reselect the register? */
1649 	bus_space_write_1(iot, ioh, LMC_ADDR, LMD_CONFIG);
1650 	cr = bus_space_read_1(iot, ioh, LMC_DATA);
1651 
1652 	/* XXX - spec says *only* 0x08! */
1653 	if ((cr == 0x08) || (cr == 0x01) || (cr == 0x03))
1654 		rv = 1;
1655 	else
1656 		rv = 0;
1657 
1658 	DPRINTF(("%s: rv = %d, cr = %x\n", __func__, rv, cr));
1659 
1660 	return rv;
1661 }
1662 
1663 
1664 /*
1665  * pre:  lmsc contains valid busspace tag and handle
1666  */
1667 void
1668 lm_attach(struct lm_softc *lmsc)
1669 {
1670 	uint32_t i;
1671 
1672 	for (i = 0; i < __arraycount(lm_chips); i++)
1673 		if (lm_chips[i].chip_match(lmsc))
1674 			break;
1675 
1676 	/* Start the monitoring loop */
1677 	(*lmsc->lm_writereg)(lmsc, LMD_CONFIG, 0x01);
1678 
1679 	lmsc->sc_sme = sysmon_envsys_create();
1680 	/* Initialize sensors */
1681 	for (i = 0; i < lmsc->numsensors; i++) {
1682 		if (sysmon_envsys_sensor_attach(lmsc->sc_sme,
1683 						&lmsc->sensors[i])) {
1684 			sysmon_envsys_destroy(lmsc->sc_sme);
1685 			return;
1686 		}
1687 	}
1688 
1689 	/*
1690 	 * Setup the callout to refresh sensor data every 2 seconds.
1691 	 */
1692 	callout_init(&lmsc->sc_callout, 0);
1693 	callout_setfunc(&lmsc->sc_callout, lm_refresh, lmsc);
1694 	callout_schedule(&lmsc->sc_callout, LM_REFRESH_TIMO);
1695 
1696 	/*
1697 	 * Hook into the System Monitor.
1698 	 */
1699 	lmsc->sc_sme->sme_name = lmsc->sc_dev.dv_xname;
1700 	lmsc->sc_sme->sme_flags = SME_DISABLE_REFRESH;
1701 
1702 	if (sysmon_envsys_register(lmsc->sc_sme)) {
1703 		aprint_error("%s: unable to register with sysmon\n",
1704 		    lmsc->sc_dev.dv_xname);
1705 		sysmon_envsys_destroy(lmsc->sc_sme);
1706 	}
1707 }
1708 
1709 /*
1710  * Stop, destroy the callout and unregister the driver with the
1711  * sysmon_envsys(9) framework.
1712  */
1713 void
1714 lm_detach(struct lm_softc *lmsc)
1715 {
1716 	callout_stop(&lmsc->sc_callout);
1717 	callout_destroy(&lmsc->sc_callout);
1718 	sysmon_envsys_unregister(lmsc->sc_sme);
1719 }
1720 
1721 static void
1722 lm_refresh(void *arg)
1723 {
1724 	struct lm_softc *lmsc = arg;
1725 
1726 	lmsc->refresh_sensor_data(lmsc);
1727 	callout_schedule(&lmsc->sc_callout, LM_REFRESH_TIMO);
1728 }
1729 
1730 static int
1731 lm_match(struct lm_softc *sc)
1732 {
1733 	const char *model = NULL;
1734 	int chipid;
1735 
1736 	/* See if we have an LM78/LM78J/LM79 or LM81 */
1737 	chipid = (*sc->lm_readreg)(sc, LMD_CHIPID) & LM_ID_MASK;
1738 	switch(chipid) {
1739 	case LM_ID_LM78:
1740 		model = "LM78";
1741 		break;
1742 	case LM_ID_LM78J:
1743 		model = "LM78J";
1744 		break;
1745 	case LM_ID_LM79:
1746 		model = "LM79";
1747 		break;
1748 	case LM_ID_LM81:
1749 		model = "LM81";
1750 		break;
1751 	default:
1752 		return 0;
1753 	}
1754 
1755 	aprint_normal("\n");
1756 	aprint_normal("%s: National Semiconductor %s Hardware monitor\n",
1757 	    sc->sc_dev.dv_xname, model);
1758 
1759 	lm_setup_sensors(sc, lm78_sensors);
1760 	sc->refresh_sensor_data = lm_refresh_sensor_data;
1761 	return 1;
1762 }
1763 
1764 static int
1765 def_match(struct lm_softc *sc)
1766 {
1767 	int chipid;
1768 
1769 	chipid = (*sc->lm_readreg)(sc, LMD_CHIPID) & LM_ID_MASK;
1770 	aprint_normal("\n");
1771 	aprint_error("%s: Unknown chip (ID %d)\n", sc->sc_dev.dv_xname,
1772 	    chipid);
1773 
1774 	lm_setup_sensors(sc, lm78_sensors);
1775 	sc->refresh_sensor_data = lm_refresh_sensor_data;
1776 	return 1;
1777 }
1778 
1779 static int
1780 wb_match(struct lm_softc *sc)
1781 {
1782 	const char *model = NULL;
1783 	int banksel, vendid, devid;
1784 
1785 	aprint_normal("\n");
1786 	/* Read vendor ID */
1787 	banksel = (*sc->lm_readreg)(sc, WB_BANKSEL);
1788 	lm_generic_banksel(sc, WB_BANKSEL_HBAC);
1789 	vendid = (*sc->lm_readreg)(sc, WB_VENDID) << 8;
1790 	lm_generic_banksel(sc, 0);
1791 	vendid |= (*sc->lm_readreg)(sc, WB_VENDID);
1792 	DPRINTF(("%s: winbond vend id 0x%x\n", __func__, vendid));
1793 	if (vendid != WB_VENDID_WINBOND && vendid != WB_VENDID_ASUS)
1794 		return 0;
1795 
1796 	/* Read device/chip ID */
1797 	lm_generic_banksel(sc, WB_BANKSEL_B0);
1798 	devid = (*sc->lm_readreg)(sc, LMD_CHIPID);
1799 	sc->chipid = (*sc->lm_readreg)(sc, WB_BANK0_CHIPID);
1800 	lm_generic_banksel(sc, banksel);
1801 	DPRINTF(("%s: winbond chip id 0x%x\n", __func__, sc->chipid));
1802 
1803 	switch(sc->chipid) {
1804 	case WB_CHIPID_W83627HF:
1805 		model = "W83627HF";
1806 		lm_setup_sensors(sc, w83627hf_sensors);
1807 		break;
1808 	case WB_CHIPID_W83627THF:
1809 		model = "W83627THF";
1810 		lm_setup_sensors(sc, w83637hf_sensors);
1811 		break;
1812 	case WB_CHIPID_W83627EHF_A:
1813 		model = "W83627EHF-A";
1814 		lm_setup_sensors(sc, w83627ehf_sensors);
1815 		break;
1816 	case WB_CHIPID_W83627EHF:
1817 		model = "W83627EHF";
1818 		lm_setup_sensors(sc, w83627ehf_sensors);
1819 		break;
1820 	case WB_CHIPID_W83627DHG:
1821 		model = "W83627DHG";
1822 		lm_setup_sensors(sc, w83627dhg_sensors);
1823 		break;
1824 	case WB_CHIPID_W83637HF:
1825 		model = "W83637HF";
1826 		lm_generic_banksel(sc, WB_BANKSEL_B0);
1827 		if ((*sc->lm_readreg)(sc, WB_BANK0_CONFIG) & WB_CONFIG_VMR9)
1828 			sc->vrm9 = 1;
1829 		lm_generic_banksel(sc, banksel);
1830 		lm_setup_sensors(sc, w83637hf_sensors);
1831 		break;
1832 	case WB_CHIPID_W83697HF:
1833 		model = "W83697HF";
1834 		lm_setup_sensors(sc, w83697hf_sensors);
1835 		break;
1836 	case WB_CHIPID_W83781D:
1837 	case WB_CHIPID_W83781D_2:
1838 		model = "W83781D";
1839 		lm_setup_sensors(sc, w83781d_sensors);
1840 		break;
1841 	case WB_CHIPID_W83782D:
1842 		model = "W83782D";
1843 		lm_setup_sensors(sc, w83782d_sensors);
1844 		break;
1845 	case WB_CHIPID_W83783S:
1846 		model = "W83783S";
1847 		lm_setup_sensors(sc, w83783s_sensors);
1848 		break;
1849 	case WB_CHIPID_W83791D:
1850 		model = "W83791D";
1851 		lm_setup_sensors(sc, w83791d_sensors);
1852 		break;
1853 	case WB_CHIPID_W83791SD:
1854 		model = "W83791SD";
1855 		break;
1856 	case WB_CHIPID_W83792D:
1857 		model = "W83792D";
1858 		lm_setup_sensors(sc, w83792d_sensors);
1859 		break;
1860 	case WB_CHIPID_AS99127F:
1861 		if (vendid == WB_VENDID_ASUS) {
1862 			model = "AS99127F";
1863 			lm_setup_sensors(sc, w83781d_sensors);
1864 		} else {
1865 			model = "AS99127F rev 2";
1866 			lm_setup_sensors(sc, as99127f_sensors);
1867 		}
1868 		break;
1869 	default:
1870 		aprint_normal("%s: unknown Winbond chip (ID 0x%x)\n",
1871 		    sc->sc_dev.dv_xname, sc->chipid);
1872 		/* Handle as a standard LM78. */
1873 		lm_setup_sensors(sc, lm78_sensors);
1874 		sc->refresh_sensor_data = lm_refresh_sensor_data;
1875 		return 1;
1876 	}
1877 
1878 	aprint_normal("%s: Winbond %s Hardware monitor\n",
1879 	    sc->sc_dev.dv_xname, model);
1880 
1881 	sc->refresh_sensor_data = wb_refresh_sensor_data;
1882 	return 1;
1883 }
1884 
1885 static void
1886 lm_setup_sensors(struct lm_softc *sc, struct lm_sensor *sensors)
1887 {
1888 	int i;
1889 
1890 	for (i = 0; sensors[i].desc; i++) {
1891 		sc->sensors[i].units = sensors[i].type;
1892 		strlcpy(sc->sensors[i].desc, sensors[i].desc,
1893 		    sizeof(sc->sensors[i].desc));
1894 		sc->numsensors++;
1895 	}
1896 	sc->lm_sensors = sensors;
1897 }
1898 
1899 static void
1900 lm_refresh_sensor_data(struct lm_softc *sc)
1901 {
1902 	int i;
1903 
1904 	for (i = 0; i < sc->numsensors; i++)
1905 		sc->lm_sensors[i].refresh(sc, i);
1906 }
1907 
1908 static void
1909 lm_refresh_volt(struct lm_softc *sc, int n)
1910 {
1911 	int data;
1912 
1913 	data = (*sc->lm_readreg)(sc, sc->lm_sensors[n].reg);
1914 	if (data == 0xff)
1915 		sc->sensors[n].state = ENVSYS_SINVALID;
1916 
1917 	sc->sensors[n].flags = ENVSYS_FCHANGERFACT;
1918 	sc->sensors[n].value_cur = (data << 4);
1919 
1920 	if (sc->sensors[n].rfact) {
1921 		sc->sensors[n].value_cur *= sc->sensors[n].rfact;
1922 		sc->sensors[n].value_cur /= 10;
1923 	} else {
1924 		sc->sensors[n].value_cur *= sc->lm_sensors[n].rfact;
1925 		sc->sensors[n].value_cur /= 10;
1926 		sc->sensors[n].rfact = sc->lm_sensors[n].rfact;
1927 	}
1928 
1929 	sc->sensors[n].state = ENVSYS_SVALID;
1930 	DPRINTF(("%s: volt[%d] data=0x%x value_cur=%d\n",
1931 	    __func__, n, data, sc->sensors[n].value_cur));
1932 }
1933 
1934 static void
1935 lm_refresh_temp(struct lm_softc *sc, int n)
1936 {
1937 	int data;
1938 
1939 	/*
1940 	 * The data sheet suggests that the range of the temperature
1941 	 * sensor is between -55 degC and +125 degC.
1942 	 */
1943 	data = (*sc->lm_readreg)(sc, sc->lm_sensors[n].reg);
1944 	if (data > 0x7d && data < 0xc9)
1945 		sc->sensors[n].state = ENVSYS_SINVALID;
1946 	else {
1947 		if (data & 0x80)
1948 			data -= 0x100;
1949 		sc->sensors[n].state = ENVSYS_SVALID;
1950 		sc->sensors[n].value_cur = data * 1000000 + 273150000;
1951 	}
1952 	DPRINTF(("%s: temp[%d] data=0x%x value_cur=%d\n",
1953 	    __func__, n, data, sc->sensors[n].value_cur));
1954 }
1955 
1956 static void
1957 lm_refresh_fanrpm(struct lm_softc *sc, int n)
1958 {
1959 	int data, divisor = 1;
1960 
1961 	/*
1962 	 * We might get more accurate fan readings by adjusting the
1963 	 * divisor, but that might interfere with APM or other SMM
1964 	 * BIOS code reading the fan speeds.
1965 	 */
1966 
1967 	/* FAN3 has a fixed fan divisor. */
1968 	if (sc->lm_sensors[n].reg == LMD_FAN1 ||
1969 	    sc->lm_sensors[n].reg == LMD_FAN2) {
1970 		data = (*sc->lm_readreg)(sc, LMD_VIDFAN);
1971 		if (sc->lm_sensors[n].reg == LMD_FAN1)
1972 			divisor = (data >> 4) & 0x03;
1973 		else
1974 			divisor = (data >> 6) & 0x03;
1975 	}
1976 
1977 	data = (*sc->lm_readreg)(sc, sc->lm_sensors[n].reg);
1978 	if (data == 0xff || data == 0x00)
1979 		sc->sensors[n].state = ENVSYS_SINVALID;
1980 	else {
1981 		sc->sensors[n].state = ENVSYS_SVALID;
1982 		sc->sensors[n].value_cur = 1350000 / (data << divisor);
1983 	}
1984 	DPRINTF(("%s: fan[%d] data=0x%x value_cur=%d\n",
1985 	    __func__, n, data, sc->sensors[n].value_cur));
1986 }
1987 
1988 static void
1989 wb_refresh_sensor_data(struct lm_softc *sc)
1990 {
1991 	int banksel, bank, i;
1992 
1993 	/*
1994 	 * Properly save and restore bank selection register.
1995 	 */
1996 	banksel = bank = sc->lm_readreg(sc, WB_BANKSEL);
1997 	for (i = 0; i < sc->numsensors; i++) {
1998 		if (bank != sc->lm_sensors[i].bank) {
1999 			bank = sc->lm_sensors[i].bank;
2000 			lm_generic_banksel(sc, bank);
2001 		}
2002 		sc->lm_sensors[i].refresh(sc, i);
2003 	}
2004 	lm_generic_banksel(sc, banksel);
2005 }
2006 
2007 static void
2008 wb_w83637hf_refresh_vcore(struct lm_softc *sc, int n)
2009 {
2010 	int data;
2011 
2012 	data = (*sc->lm_readreg)(sc, sc->lm_sensors[n].reg);
2013 	/*
2014 	 * Depending on the voltage detection method,
2015 	 * one of the following formulas is used:
2016 	 *	VRM8 method: value = raw * 0.016V
2017 	 *	VRM9 method: value = raw * 0.00488V + 0.70V
2018 	 */
2019 	if (sc->vrm9)
2020 		sc->sensors[n].value_cur = (data * 4880) + 700000;
2021 	else
2022 		sc->sensors[n].value_cur = (data * 16000);
2023 	DPRINTF(("%s: volt[%d] data=0x%x value_cur=%d\n",
2024 	   __func__, n, data, sc->sensors[n].value_cur));
2025 }
2026 
2027 static void
2028 wb_refresh_nvolt(struct lm_softc *sc, int n)
2029 {
2030 	int data;
2031 
2032 	data = (*sc->lm_readreg)(sc, sc->lm_sensors[n].reg);
2033 	sc->sensors[n].flags = ENVSYS_FCHANGERFACT;
2034 	sc->sensors[n].value_cur = ((data << 4) - WB_VREF);
2035 	if (sc->sensors[n].rfact)
2036 		sc->sensors[n].value_cur *= sc->sensors[n].rfact;
2037 	else
2038 		sc->sensors[n].value_cur *= sc->lm_sensors[n].rfact;
2039 
2040 	sc->sensors[n].value_cur /= 10;
2041 	sc->sensors[n].value_cur += WB_VREF * 1000;
2042 	DPRINTF(("%s: volt[%d] data=0x%x value_cur=%d\n",
2043 	     __func__, n , data, sc->sensors[n].value_cur));
2044 }
2045 
2046 static void
2047 wb_w83627ehf_refresh_nvolt(struct lm_softc *sc, int n)
2048 {
2049 	int data;
2050 
2051 	data = (*sc->lm_readreg)(sc, sc->lm_sensors[n].reg);
2052 	sc->sensors[n].value_cur = ((data << 3) - WB_W83627EHF_VREF);
2053 	sc->sensors[n].flags = ENVSYS_FCHANGERFACT;
2054 	if (sc->sensors[n].rfact)
2055 		sc->sensors[n].value_cur *= sc->sensors[n].rfact;
2056 	else
2057 		sc->sensors[n].value_cur *= RFACT(232, 10);
2058 
2059 	sc->sensors[n].value_cur /= 10;
2060 	sc->sensors[n].value_cur += WB_W83627EHF_VREF * 1000;
2061 	DPRINTF(("%s: volt[%d] data=0x%x value_cur=%d\n",
2062 	    __func__, n , data, sc->sensors[n].value_cur));
2063 }
2064 
2065 static void
2066 wb_refresh_temp(struct lm_softc *sc, int n)
2067 {
2068 	int data;
2069 
2070 	/*
2071 	 * The data sheet suggests that the range of the temperature
2072 	 * sensor is between -55 degC and +125 degC.  However, values
2073 	 * around -48 degC seem to be a very common bogus values.
2074 	 * Since such values are unreasonably low, we use -45 degC for
2075 	 * the lower limit instead.
2076 	 */
2077 	data = (*sc->lm_readreg)(sc, sc->lm_sensors[n].reg) << 1;
2078 	data += (*sc->lm_readreg)(sc, sc->lm_sensors[n].reg + 1) >> 7;
2079 	if (data > 0xfffffff || (data > 0x0fa && data < 0x1a6)) {
2080 		sc->sensors[n].state = ENVSYS_SINVALID;
2081 	} else {
2082 		if (data & 0x100)
2083 			data -= 0x200;
2084 		sc->sensors[n].state = ENVSYS_SVALID;
2085 		sc->sensors[n].value_cur = data * 500000 + 273150000;
2086 	}
2087 	DPRINTF(("%s: temp[%d] data=0x%x value_cur=%d\n",
2088 	    __func__, n , data, sc->sensors[n].value_cur));
2089 }
2090 
2091 static void
2092 wb_refresh_fanrpm(struct lm_softc *sc, int n)
2093 {
2094 	int fan, data, divisor = 0;
2095 
2096 	/*
2097 	 * This is madness; the fan divisor bits are scattered all
2098 	 * over the place.
2099 	 */
2100 
2101 	if (sc->lm_sensors[n].reg == LMD_FAN1 ||
2102 	    sc->lm_sensors[n].reg == LMD_FAN2 ||
2103 	    sc->lm_sensors[n].reg == LMD_FAN3) {
2104 		data = (*sc->lm_readreg)(sc, WB_BANK0_VBAT);
2105 		fan = (sc->lm_sensors[n].reg - LMD_FAN1);
2106 		if ((data >> 5) & (1 << fan))
2107 			divisor |= 0x04;
2108 	}
2109 
2110 	if (sc->lm_sensors[n].reg == LMD_FAN1 ||
2111 	    sc->lm_sensors[n].reg == LMD_FAN2) {
2112 		data = (*sc->lm_readreg)(sc, LMD_VIDFAN);
2113 		if (sc->lm_sensors[n].reg == LMD_FAN1)
2114 			divisor |= (data >> 4) & 0x03;
2115 		else
2116 			divisor |= (data >> 6) & 0x03;
2117 	} else if (sc->lm_sensors[n].reg == LMD_FAN3) {
2118 		data = (*sc->lm_readreg)(sc, WB_PIN);
2119 		divisor |= (data >> 6) & 0x03;
2120 	} else if (sc->lm_sensors[n].reg == WB_BANK0_FAN4 ||
2121 		   sc->lm_sensors[n].reg == WB_BANK0_FAN5) {
2122 		data = (*sc->lm_readreg)(sc, WB_BANK0_FAN45);
2123 		if (sc->lm_sensors[n].reg == WB_BANK0_FAN4)
2124 			divisor |= (data >> 0) & 0x07;
2125 		else
2126 			divisor |= (data >> 4) & 0x07;
2127 	}
2128 
2129 	data = (*sc->lm_readreg)(sc, sc->lm_sensors[n].reg);
2130 	if (data >= 0xff || data == 0x00)
2131 		sc->sensors[n].state = ENVSYS_SINVALID;
2132 	else {
2133 		sc->sensors[n].state = ENVSYS_SVALID;
2134 		sc->sensors[n].value_cur = 1350000 / (data << divisor);
2135 	}
2136 	DPRINTF(("%s: fan[%d] data=0x%x value_cur=%d\n",
2137 	    __func__, n , data, sc->sensors[n].value_cur));
2138 }
2139 
2140 static void
2141 wb_w83792d_refresh_fanrpm(struct lm_softc *sc, int n)
2142 {
2143 	int reg, shift, data, divisor = 1;
2144 
2145 	shift = 0;
2146 
2147 	switch (sc->lm_sensors[n].reg) {
2148 	case 0x28:
2149 		reg = 0x47; shift = 0;
2150 		break;
2151 	case 0x29:
2152 		reg = 0x47; shift = 4;
2153 		break;
2154 	case 0x2a:
2155 		reg = 0x5b; shift = 0;
2156 		break;
2157 	case 0xb8:
2158 		reg = 0x5b; shift = 4;
2159 		break;
2160 	case 0xb9:
2161 		reg = 0x5c; shift = 0;
2162 		break;
2163 	case 0xba:
2164 		reg = 0x5c; shift = 4;
2165 		break;
2166 	case 0xbe:
2167 		reg = 0x9e; shift = 0;
2168 		break;
2169 	default:
2170 		reg = 0;
2171 		break;
2172 	}
2173 
2174 	data = (*sc->lm_readreg)(sc, sc->lm_sensors[n].reg);
2175 	if (data == 0xff || data == 0x00)
2176 		sc->sensors[n].state = ENVSYS_SINVALID;
2177 	else {
2178 		if (reg != 0)
2179 			divisor = ((*sc->lm_readreg)(sc, reg) >> shift) & 0x7;
2180 		sc->sensors[n].state = ENVSYS_SVALID;
2181 		sc->sensors[n].value_cur = 1350000 / (data << divisor);
2182 	}
2183 	DPRINTF(("%s: fan[%d] data=0x%x value_cur=%d\n",
2184 	    __func__, n , data, sc->sensors[n].value_cur));
2185 }
2186 
2187 static void
2188 as_refresh_temp(struct lm_softc *sc, int n)
2189 {
2190 	int data;
2191 
2192 	/*
2193 	 * It seems a shorted temperature diode produces an all-ones
2194 	 * bit pattern.
2195 	 */
2196 	data = (*sc->lm_readreg)(sc, sc->lm_sensors[n].reg) << 1;
2197 	data += (*sc->lm_readreg)(sc, sc->lm_sensors[n].reg + 1) >> 7;
2198 	if (data == 0x1ff)
2199 		sc->sensors[n].state = ENVSYS_SINVALID;
2200 	else {
2201 		if (data & 0x100)
2202 			data -= 0x200;
2203 		sc->sensors[n].state = ENVSYS_SVALID;
2204 		sc->sensors[n].value_cur = data * 500000 + 273150000;
2205 	}
2206 	DPRINTF(("%s: temp[%d] data=0x%x value_cur=%d\n",
2207 	    __func__, n, data, sc->sensors[n].value_cur));
2208 }
2209