1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2012 Andreas Tobler
5 * Copyright (c) 2014 Justin Hibbits
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
22 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
24 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#include <sys/cdefs.h>
31__FBSDID("$FreeBSD$");
32
33#include <sys/param.h>
34#include <sys/bus.h>
35#include <sys/systm.h>
36#include <sys/module.h>
37#include <sys/callout.h>
38#include <sys/conf.h>
39#include <sys/cpu.h>
40#include <sys/ctype.h>
41#include <sys/kernel.h>
42#include <sys/reboot.h>
43#include <sys/rman.h>
44#include <sys/sysctl.h>
45#include <sys/limits.h>
46
47#include <machine/bus.h>
48#include <machine/md_var.h>
49
50#include <dev/iicbus/iicbus.h>
51#include <dev/iicbus/iiconf.h>
52
53#include <dev/ofw/openfirm.h>
54#include <dev/ofw/ofw_bus.h>
55#include <powerpc/powermac/powermac_thermal.h>
56
57/* ADT746X registers. */
58#define ADT746X_TACH1LOW          0x28
59#define ADT746X_TACH1HIGH         0x29
60#define ADT746X_TACH2LOW          0x2a
61#define ADT746X_TACH2HIGH         0x2b
62#define ADT746X_PWM1              0x30
63#define ADT746X_PWM2              0x31
64#define ADT746X_DEVICE_ID         0x3d
65#define ADT746X_COMPANY_ID        0x3e
66#define ADT746X_REV_ID            0x3f
67#define ADT746X_CONFIG            0x40
68#define ADT746X_PWM1_CONF         0x5c
69#define ADT746X_PWM2_CONF         0x5d
70#define ADT746X_MANUAL_MASK       0xe0
71
72#define ADT7460_DEV_ID            0x27
73#define ADT7467_DEV_ID            0x68
74
75struct adt746x_fan {
76	struct pmac_fan fan;
77	device_t        dev;
78	int             id;
79	int             setpoint;
80	int		pwm_reg;
81	int		conf_reg;
82};
83
84struct adt746x_sensor {
85	struct pmac_therm therm;
86	device_t          dev;
87	int               id;
88	cell_t	          reg;
89	enum {
90		ADT746X_SENSOR_TEMP,
91		ADT746X_SENSOR_VOLT,
92		ADT746X_SENSOR_SPEED
93	} type;
94};
95
96struct adt746x_softc {
97	device_t		sc_dev;
98	struct intr_config_hook enum_hook;
99	uint32_t                sc_addr;
100	/* The 7467 supports up to 4 fans, 2 voltage and 3 temperature sensors. */
101	struct adt746x_fan	sc_fans[4];
102	int			sc_nfans;
103	struct adt746x_sensor   sc_sensors[9];
104	int			sc_nsensors;
105	int                     device_id;
106
107};
108
109
110/* Regular bus attachment functions */
111
112static int  adt746x_probe(device_t);
113static int  adt746x_attach(device_t);
114
115
116/* Utility functions */
117static void adt746x_attach_fans(device_t dev);
118static void adt746x_attach_sensors(device_t dev);
119static int  adt746x_fill_fan_prop(device_t dev);
120static int  adt746x_fill_sensor_prop(device_t dev);
121
122static int  adt746x_fan_set_pwm(struct adt746x_fan *fan, int pwm);
123static int  adt746x_fan_get_pwm(struct adt746x_fan *fan);
124static int  adt746x_sensor_read(struct adt746x_sensor *sens);
125static void adt746x_start(void *xdev);
126
127/* i2c read/write functions. */
128static int  adt746x_write(device_t dev, uint32_t addr, uint8_t reg,
129			  uint8_t *buf);
130static int  adt746x_read(device_t dev, uint32_t addr, uint8_t reg,
131			 uint8_t *data);
132
133static device_method_t  adt746x_methods[] = {
134	/* Device interface */
135	DEVMETHOD(device_probe,	 adt746x_probe),
136	DEVMETHOD(device_attach, adt746x_attach),
137	{ 0, 0 },
138};
139
140static driver_t adt746x_driver = {
141	"adt746x",
142	adt746x_methods,
143	sizeof(struct adt746x_softc)
144};
145
146static devclass_t adt746x_devclass;
147
148DRIVER_MODULE(adt746x, iicbus, adt746x_driver, adt746x_devclass, 0, 0);
149static MALLOC_DEFINE(M_ADT746X, "adt746x", "ADT Sensor Information");
150
151
152/* i2c read/write functions. */
153
154static int
155adt746x_write(device_t dev, uint32_t addr, uint8_t reg, uint8_t *buff)
156{
157	uint8_t buf[4];
158	int try = 0;
159
160	struct iic_msg msg[] = {
161		{addr, IIC_M_WR, 2, buf }
162	};
163
164	/* Prepare the write msg. */
165	buf[0] = reg;
166	memcpy(buf + 1, buff, 1);
167
168	for (;;)
169	{
170		if (iicbus_transfer(dev, msg, 1) == 0)
171			return (0);
172		if (++try > 5) {
173			device_printf(dev, "iicbus write failed\n");
174			return (-1);
175		}
176		pause("adt746x_write", hz);
177	}
178	return (0);
179}
180
181static int
182adt746x_read(device_t dev, uint32_t addr, uint8_t reg, uint8_t *data)
183{
184	uint8_t buf[4];
185	int err, try = 0;
186
187	struct iic_msg msg[2] = {
188		{addr, IIC_M_WR | IIC_M_NOSTOP, 1, &reg},
189		{addr, IIC_M_RD, 1, buf},
190	};
191
192	for (;;)
193	{
194		err = iicbus_transfer(dev, msg, 2);
195		if (err != 0)
196			goto retry;
197
198		*data = *((uint8_t*)buf);
199		return (0);
200	retry:
201		if (++try > 5) {
202			device_printf(dev, "iicbus read failed\n");
203			return (-1);
204		}
205		pause("adt746x_read", hz);
206	}
207}
208
209static int
210adt746x_probe(device_t dev)
211{
212	const char  *name, *compatible;
213	struct adt746x_softc *sc;
214
215	name = ofw_bus_get_name(dev);
216	compatible = ofw_bus_get_compat(dev);
217
218	if (!name)
219		return (ENXIO);
220
221	if (strcmp(name, "fan") != 0 ||
222	    (strcmp(compatible, "adt7460") != 0 &&
223	     strcmp(compatible, "adt7467") != 0))
224		return (ENXIO);
225
226	sc = device_get_softc(dev);
227	sc->sc_dev = dev;
228	sc->sc_addr = iicbus_get_addr(dev);
229
230	device_set_desc(dev, "Apple Thermostat Unit ADT746X");
231
232	return (0);
233}
234
235static int
236adt746x_attach(device_t dev)
237{
238	struct adt746x_softc *sc;
239
240	sc = device_get_softc(dev);
241
242	sc->enum_hook.ich_func = adt746x_start;
243	sc->enum_hook.ich_arg = dev;
244
245	/* We have to wait until interrupts are enabled. I2C read and write
246	 * only works if the interrupts are available.
247	 * The unin/i2c is controlled by the htpic on unin. But this is not
248	 * the master. The openpic on mac-io is controlling the htpic.
249	 * This one gets attached after the mac-io probing and then the
250	 * interrupts will be available.
251	 */
252
253	if (config_intrhook_establish(&sc->enum_hook) != 0)
254		return (ENOMEM);
255
256	return (0);
257}
258
259static void
260adt746x_start(void *xdev)
261{
262	uint8_t did, cid, rev, conf;
263
264	struct adt746x_softc *sc;
265
266	device_t dev = (device_t)xdev;
267
268	sc = device_get_softc(dev);
269
270	adt746x_read(sc->sc_dev, sc->sc_addr, ADT746X_DEVICE_ID, &did);
271	adt746x_read(sc->sc_dev, sc->sc_addr, ADT746X_COMPANY_ID, &cid);
272	adt746x_read(sc->sc_dev, sc->sc_addr, ADT746X_REV_ID, &rev);
273	adt746x_read(sc->sc_dev, sc->sc_addr, ADT746X_CONFIG, &conf);
274
275	device_printf(dev, "Dev ID %#x, Company ID %#x, Rev ID %#x CNF: %#x\n",
276		      did, cid, rev, conf);
277
278	/* We can get the device id either from 'of' properties or from the chip
279	   itself. This method makes sure we can read the chip, otherwise
280	   we return.  */
281
282	sc->device_id = did;
283
284	conf = 1;
285	/* Start the ADT7460.  */
286	if (sc->device_id == ADT7460_DEV_ID)
287		adt746x_write(sc->sc_dev, sc->sc_addr, ADT746X_CONFIG, &conf);
288
289	/* Detect and attach child devices.  */
290	adt746x_attach_fans(dev);
291	adt746x_attach_sensors(dev);
292	config_intrhook_disestablish(&sc->enum_hook);
293}
294
295/*
296 * Sensor and fan management
297 */
298static int
299adt746x_fan_set_pwm(struct adt746x_fan *fan, int pwm)
300{
301	uint8_t reg = 0, manual, mode = 0;
302	struct adt746x_softc *sc;
303	uint8_t buf;
304
305	sc = device_get_softc(fan->dev);
306
307	/* Clamp to allowed range */
308	pwm = max(fan->fan.min_rpm, pwm);
309	pwm = min(fan->fan.max_rpm, pwm);
310
311	reg = fan->pwm_reg;
312	mode = fan->conf_reg;
313
314	/* From the 7460 datasheet:
315	   PWM dutycycle can be programmed from 0% (0x00) to 100% (0xFF)
316	   in steps of 0.39% (256 steps).
317	 */
318	buf = (pwm * 100 / 39) - (pwm ? 1 : 0);
319	fan->setpoint = buf;
320
321	/* Manual mode.  */
322	adt746x_read(sc->sc_dev, sc->sc_addr, mode, &manual);
323	manual |= ADT746X_MANUAL_MASK;
324	adt746x_write(sc->sc_dev, sc->sc_addr, mode, &manual);
325
326	/* Write speed.  */
327	adt746x_write(sc->sc_dev, sc->sc_addr, reg, &buf);
328
329	return (0);
330}
331
332static int
333adt746x_fan_get_pwm(struct adt746x_fan *fan)
334{
335	uint8_t buf, reg;
336	uint16_t pwm;
337	struct adt746x_softc *sc;
338
339	sc = device_get_softc(fan->dev);
340
341	reg = fan->pwm_reg;
342
343	adt746x_read(sc->sc_dev, sc->sc_addr, reg, &buf);
344
345	pwm = (buf * 39 / 100) + (buf ? 1 : 0);
346	return (pwm);
347}
348
349static int
350adt746x_fill_fan_prop(device_t dev)
351{
352	phandle_t child;
353	struct adt746x_softc *sc;
354	u_int *id;
355	char *location;
356	int i, id_len, len = 0, location_len, prev_len = 0;
357
358	sc = device_get_softc(dev);
359
360	child = ofw_bus_get_node(dev);
361
362	/* Fill the fan location property. */
363	location_len = OF_getprop_alloc(child, "hwctrl-location", (void **)&location);
364	id_len = OF_getprop_alloc_multi(child, "hwctrl-id", sizeof(cell_t), (void **)&id);
365	if (location_len == -1 || id_len == -1) {
366		OF_prop_free(location);
367		OF_prop_free(id);
368		return 0;
369	}
370
371	/* Fill in all the properties for each fan. */
372	for (i = 0; i < id_len; i++) {
373		strlcpy(sc->sc_fans[i].fan.name, location + len, 32);
374		prev_len = strlen(location + len) + 1;
375		len += prev_len;
376		sc->sc_fans[i].id = id[i];
377		if (id[i] == 6) {
378			sc->sc_fans[i].pwm_reg = ADT746X_PWM1;
379			sc->sc_fans[i].conf_reg = ADT746X_PWM1_CONF;
380		} else if (id[i] == 7) {
381			sc->sc_fans[i].pwm_reg = ADT746X_PWM2;
382			sc->sc_fans[i].conf_reg = ADT746X_PWM2_CONF;
383		} else {
384			sc->sc_fans[i].pwm_reg = ADT746X_PWM1 + i;
385			sc->sc_fans[i].conf_reg = ADT746X_PWM1_CONF + i;
386		}
387		sc->sc_fans[i].dev = sc->sc_dev;
388		sc->sc_fans[i].fan.min_rpm = 5;	/* Percent */
389		sc->sc_fans[i].fan.max_rpm = 100;
390		sc->sc_fans[i].fan.read = NULL;
391		sc->sc_fans[i].fan.set =
392			(int (*)(struct pmac_fan *, int))(adt746x_fan_set_pwm);
393		sc->sc_fans[i].fan.default_rpm = sc->sc_fans[i].fan.max_rpm;
394	}
395	OF_prop_free(location);
396	OF_prop_free(id);
397
398	return (i);
399}
400
401static int
402adt746x_fill_sensor_prop(device_t dev)
403{
404	phandle_t child, node;
405	struct adt746x_softc *sc;
406	char sens_type[32];
407	int i = 0, reg, sensid;
408
409	sc = device_get_softc(dev);
410
411	child = ofw_bus_get_node(dev);
412
413	/* Fill in the sensor properties for each child. */
414	for (node = OF_child(child); node != 0; node = OF_peer(node)) {
415		if (OF_getprop(node, "sensor-id", &sensid, sizeof(sensid)) == -1)
416		    continue;
417		OF_getprop(node, "location", sc->sc_sensors[i].therm.name, 32);
418		OF_getprop(node, "device_type", sens_type, sizeof(sens_type));
419		if (strcmp(sens_type, "temperature") == 0)
420			sc->sc_sensors[i].type = ADT746X_SENSOR_TEMP;
421		else if (strcmp(sens_type, "voltage") == 0)
422			sc->sc_sensors[i].type = ADT746X_SENSOR_VOLT;
423		else
424			sc->sc_sensors[i].type = ADT746X_SENSOR_SPEED;
425		OF_getprop(node, "reg", &reg, sizeof(reg));
426		OF_getprop(node, "sensor-id", &sensid,
427			sizeof(sensid));
428		/* This is the i2c register of the sensor.  */
429		sc->sc_sensors[i].reg = reg;
430		sc->sc_sensors[i].id = sensid;
431		OF_getprop(node, "zone", &sc->sc_sensors[i].therm.zone,
432			sizeof(sc->sc_sensors[i].therm.zone));
433		sc->sc_sensors[i].dev = dev;
434		sc->sc_sensors[i].therm.read =
435		    (int (*)(struct pmac_therm *))adt746x_sensor_read;
436		if (sc->sc_sensors[i].type == ADT746X_SENSOR_TEMP) {
437		    /* Make up some ranges */
438		    sc->sc_sensors[i].therm.target_temp = 500 + ZERO_C_TO_K;
439		    sc->sc_sensors[i].therm.max_temp = 800 + ZERO_C_TO_K;
440
441		    pmac_thermal_sensor_register(&sc->sc_sensors[i].therm);
442		}
443		i++;
444	}
445
446	return (i);
447}
448
449static int
450adt746x_fanrpm_sysctl(SYSCTL_HANDLER_ARGS)
451{
452	device_t adt;
453	struct adt746x_softc *sc;
454	struct adt746x_fan *fan;
455	int pwm = 0, error;
456
457	adt = arg1;
458	sc = device_get_softc(adt);
459	fan = &sc->sc_fans[arg2];
460	pwm = adt746x_fan_get_pwm(fan);
461	error = sysctl_handle_int(oidp, &pwm, 0, req);
462
463	if (error || !req->newptr)
464		return (error);
465
466	return (adt746x_fan_set_pwm(fan, pwm));
467}
468
469static void
470adt746x_attach_fans(device_t dev)
471{
472	struct adt746x_softc *sc;
473	struct sysctl_oid *oid, *fanroot_oid;
474	struct sysctl_ctx_list *ctx;
475	phandle_t child;
476	char sysctl_name[32];
477	int i, j;
478
479	sc = device_get_softc(dev);
480
481	sc->sc_nfans = 0;
482
483	child = ofw_bus_get_node(dev);
484
485	/* Count the actual number of fans. */
486	sc->sc_nfans = adt746x_fill_fan_prop(dev);
487
488	device_printf(dev, "%d fans detected!\n", sc->sc_nfans);
489
490	if (sc->sc_nfans == 0) {
491		device_printf(dev, "WARNING: No fans detected!\n");
492		return;
493	}
494
495	ctx = device_get_sysctl_ctx(dev);
496	fanroot_oid = SYSCTL_ADD_NODE(ctx,
497	    SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "fans",
498	    CTLFLAG_RD, 0, "ADT Fan Information");
499
500	/* Now we can fill the properties into the allocated struct. */
501	sc->sc_nfans = adt746x_fill_fan_prop(dev);
502
503	/* Register fans with pmac_thermal */
504	for (i = 0; i < sc->sc_nfans; i++)
505		pmac_thermal_fan_register(&sc->sc_fans[i].fan);
506
507	/* Add sysctls for the fans. */
508	for (i = 0; i < sc->sc_nfans; i++) {
509		for (j = 0; j < strlen(sc->sc_fans[i].fan.name); j++) {
510			sysctl_name[j] = tolower(sc->sc_fans[i].fan.name[j]);
511			if (isspace(sysctl_name[j]))
512				sysctl_name[j] = '_';
513		}
514		sysctl_name[j] = 0;
515
516		sc->sc_fans[i].setpoint =
517			adt746x_fan_get_pwm(&sc->sc_fans[i]);
518
519		oid = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(fanroot_oid),
520		    OID_AUTO, sysctl_name, CTLFLAG_RD, 0, "Fan Information");
521
522		/* I use i to pass the fan id. */
523		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO,
524				"pwm", CTLTYPE_INT | CTLFLAG_RW, dev, i,
525				adt746x_fanrpm_sysctl, "I", "Fan PWM in %");
526	}
527
528	/* Dump fan location & type. */
529	if (bootverbose) {
530		for (i = 0; i < sc->sc_nfans; i++) {
531			device_printf(dev, "Fan location: %s",
532				      sc->sc_fans[i].fan.name);
533			device_printf(dev, " id: %d RPM: %d\n",
534				      sc->sc_fans[i].id,
535				      sc->sc_fans[i].setpoint);
536		}
537	}
538}
539
540static int
541adt746x_sensor_read(struct adt746x_sensor *sens)
542{
543	struct adt746x_softc *sc;
544	int tmp = 0;
545	uint16_t val;
546	uint8_t data[1], data1[1];
547	int8_t temp;
548
549	sc = device_get_softc(sens->dev);
550	if (sens->type != ADT746X_SENSOR_SPEED) {
551		if (adt746x_read(sc->sc_dev, sc->sc_addr, sens->reg,
552				 &temp) < 0)
553			return (-1);
554		if (sens->type == ADT746X_SENSOR_TEMP)
555			tmp = 10 * temp + ZERO_C_TO_K;
556		else
557			tmp = temp;
558	} else {
559		if (adt746x_read(sc->sc_dev, sc->sc_addr, sens->reg,
560				 data) < 0)
561			return (-1);
562		if (adt746x_read(sc->sc_dev, sc->sc_addr, sens->reg + 1,
563				 data1) < 0)
564			return (-1);
565		val = data[0] + (data1[0] << 8);
566		/* A value of 0xffff means the fan is stopped.  */
567		if (val == 0 || val == 0xffff)
568			tmp = 0;
569		else
570			tmp = (90000 * 60) / val;
571	}
572	return (tmp);
573}
574
575static int
576adt746x_sensor_sysctl(SYSCTL_HANDLER_ARGS)
577{
578	device_t dev;
579	struct adt746x_softc *sc;
580	struct adt746x_sensor *sens;
581	int value, error;
582
583	dev = arg1;
584	sc = device_get_softc(dev);
585	sens = &sc->sc_sensors[arg2];
586
587	value = sens->therm.read(&sens->therm);
588	if (value < 0)
589		return (ENXIO);
590
591	error = sysctl_handle_int(oidp, &value, 0, req);
592
593	return (error);
594}
595
596static void
597adt746x_attach_sensors(device_t dev)
598{
599	struct adt746x_softc *sc;
600	struct sysctl_oid *oid, *sensroot_oid;
601	struct sysctl_ctx_list *ctx;
602	phandle_t child;
603	char sysctl_name[40];
604	const char *unit;
605	const char *desc;
606	int i, j;
607
608
609	sc = device_get_softc(dev);
610	sc->sc_nsensors = 0;
611	child = ofw_bus_get_node(dev);
612
613	/* Count the actual number of sensors. */
614	sc->sc_nsensors = adt746x_fill_sensor_prop(dev);
615	device_printf(dev, "%d sensors detected!\n", sc->sc_nsensors);
616	if (sc->sc_nsensors == 0) {
617		device_printf(dev, "WARNING: No sensors detected!\n");
618		return;
619	}
620
621	ctx = device_get_sysctl_ctx(dev);
622	sensroot_oid = SYSCTL_ADD_NODE(ctx,
623	    SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), OID_AUTO, "sensors",
624	    CTLFLAG_RD, 0, "ADT Sensor Information");
625
626	/* Add the sysctl for the sensors. */
627	for (i = 0; i < sc->sc_nsensors; i++) {
628		for (j = 0; j < strlen(sc->sc_sensors[i].therm.name); j++) {
629			sysctl_name[j] = tolower(sc->sc_sensors[i].therm.name[j]);
630			if (isspace(sysctl_name[j]))
631				sysctl_name[j] = '_';
632		}
633		sysctl_name[j] = 0;
634		oid = SYSCTL_ADD_NODE(ctx, SYSCTL_CHILDREN(sensroot_oid),
635				      OID_AUTO,
636				      sysctl_name, CTLFLAG_RD, 0,
637				      "Sensor Information");
638		if (sc->sc_sensors[i].type == ADT746X_SENSOR_TEMP) {
639			unit = "temp";
640			desc = "sensor unit (C)";
641		} else if (sc->sc_sensors[i].type == ADT746X_SENSOR_VOLT) {
642			unit = "volt";
643			desc = "sensor unit (mV)";
644		} else {
645			unit = "rpm";
646			desc = "sensor unit (RPM)";
647		}
648		/* I use i to pass the sensor id. */
649		SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO,
650				unit, CTLTYPE_INT | CTLFLAG_RD, dev, i,
651				adt746x_sensor_sysctl,
652				sc->sc_sensors[i].type == ADT746X_SENSOR_TEMP ?
653				"IK" : "I", desc);
654	}
655
656	/* Dump sensor location & type. */
657	if (bootverbose) {
658		for (i = 0; i < sc->sc_nsensors; i++) {
659			device_printf(dev, "Sensor location: %s",
660				      sc->sc_sensors[i].therm.name);
661			device_printf(dev, " type: %d id: %d reg: 0x%x\n",
662				      sc->sc_sensors[i].type,
663				      sc->sc_sensors[i].id,
664				      sc->sc_sensors[i].reg);
665		}
666	}
667}
668