2 * f71805f.c - driver for the Fintek F71805F/FG Super-I/O chip integrated
3 * hardware monitoring features
4 * Copyright (C) 2005-2006 Jean Delvare <khali@linux-fr.org>
6 * The F71805F/FG is a LPC Super-I/O chip made by Fintek. It integrates
7 * complete hardware monitoring features: voltage, fan and temperature
8 * sensors, and manual and automatic fan speed control.
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 #include <linux/module.h>
26 #include <linux/init.h>
27 #include <linux/slab.h>
28 #include <linux/jiffies.h>
29 #include <linux/platform_device.h>
30 #include <linux/hwmon.h>
31 #include <linux/hwmon-sysfs.h>
32 #include <linux/err.h>
33 #include <linux/mutex.h>
34 #include <linux/sysfs.h>
37 static struct platform_device *pdev;
39 #define DRVNAME "f71805f"
42 * Super-I/O constants and functions
45 #define F71805F_LD_HWM 0x04
47 #define SIO_REG_LDSEL 0x07 /* Logical device select */
48 #define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */
49 #define SIO_REG_DEVREV 0x22 /* Device revision */
50 #define SIO_REG_MANID 0x23 /* Fintek ID (2 bytes) */
51 #define SIO_REG_ENABLE 0x30 /* Logical device enable */
52 #define SIO_REG_ADDR 0x60 /* Logical device address (2 bytes) */
54 #define SIO_FINTEK_ID 0x1934
55 #define SIO_F71805F_ID 0x0406
58 superio_inb(int base, int reg)
65 superio_inw(int base, int reg)
69 val = inb(base + 1) << 8;
76 superio_select(int base, int ld)
78 outb(SIO_REG_LDSEL, base);
83 superio_enter(int base)
90 superio_exit(int base)
99 #define REGION_LENGTH 2
100 #define ADDR_REG_OFFSET 0
101 #define DATA_REG_OFFSET 1
107 /* in nr from 0 to 8 (8-bit values) */
108 #define F71805F_REG_IN(nr) (0x10 + (nr))
109 #define F71805F_REG_IN_HIGH(nr) (0x40 + 2 * (nr))
110 #define F71805F_REG_IN_LOW(nr) (0x41 + 2 * (nr))
111 /* fan nr from 0 to 2 (12-bit values, two registers) */
112 #define F71805F_REG_FAN(nr) (0x20 + 2 * (nr))
113 #define F71805F_REG_FAN_LOW(nr) (0x28 + 2 * (nr))
114 #define F71805F_REG_FAN_CTRL(nr) (0x60 + 16 * (nr))
115 #define F71805F_REG_PWM_FREQ(nr) (0x63 + 16 * (nr))
116 #define F71805F_REG_PWM_DUTY(nr) (0x6B + 16 * (nr))
117 /* temp nr from 0 to 2 (8-bit values) */
118 #define F71805F_REG_TEMP(nr) (0x1B + (nr))
119 #define F71805F_REG_TEMP_HIGH(nr) (0x54 + 2 * (nr))
120 #define F71805F_REG_TEMP_HYST(nr) (0x55 + 2 * (nr))
121 #define F71805F_REG_TEMP_MODE 0x01
123 #define F71805F_REG_START 0x00
124 /* status nr from 0 to 2 */
125 #define F71805F_REG_STATUS(nr) (0x36 + (nr))
127 /* individual register bits */
128 #define FAN_CTRL_SKIP 0x80
129 #define FAN_CTRL_MODE_MASK 0x03
130 #define FAN_CTRL_MODE_SPEED 0x00
131 #define FAN_CTRL_MODE_TEMPERATURE 0x01
132 #define FAN_CTRL_MODE_MANUAL 0x02
135 * Data structures and manipulation thereof
138 struct f71805f_data {
142 struct class_device *class_dev;
144 struct mutex update_lock;
145 char valid; /* !=0 if following fields are valid */
146 unsigned long last_updated; /* In jiffies */
147 unsigned long last_limits; /* In jiffies */
149 /* Register values */
162 unsigned long alarms;
165 static inline long in_from_reg(u8 reg)
170 /* The 2 least significant bits are not used */
171 static inline u8 in_to_reg(long val)
177 return (((val + 16) / 32) << 2);
180 /* in0 is downscaled by a factor 2 internally */
181 static inline long in0_from_reg(u8 reg)
186 static inline u8 in0_to_reg(long val)
192 return (((val + 32) / 64) << 2);
195 /* The 4 most significant bits are not used */
196 static inline long fan_from_reg(u16 reg)
199 if (!reg || reg == 0xfff)
201 return (1500000 / reg);
204 static inline u16 fan_to_reg(long rpm)
206 /* If the low limit is set below what the chip can measure,
207 store the largest possible 12-bit value in the registers,
208 so that no alarm will ever trigger. */
211 return (1500000 / rpm);
214 static inline unsigned long pwm_freq_from_reg(u8 reg)
216 unsigned long clock = (reg & 0x80) ? 48000000UL : 1000000UL;
221 return clock / (reg << 8);
224 static inline u8 pwm_freq_to_reg(unsigned long val)
226 if (val >= 187500) /* The highest we can do */
228 if (val >= 1475) /* Use 48 MHz clock */
229 return 0x80 | (48000000UL / (val << 8));
230 if (val < 31) /* The lowest we can do */
232 else /* Use 1 MHz clock */
233 return 1000000UL / (val << 8);
236 static inline long temp_from_reg(u8 reg)
241 static inline u8 temp_to_reg(long val)
245 else if (val > 1000 * 0xff)
247 return ((val + 500) / 1000);
254 static u8 f71805f_read8(struct f71805f_data *data, u8 reg)
258 mutex_lock(&data->lock);
259 outb(reg, data->addr + ADDR_REG_OFFSET);
260 val = inb(data->addr + DATA_REG_OFFSET);
261 mutex_unlock(&data->lock);
266 static void f71805f_write8(struct f71805f_data *data, u8 reg, u8 val)
268 mutex_lock(&data->lock);
269 outb(reg, data->addr + ADDR_REG_OFFSET);
270 outb(val, data->addr + DATA_REG_OFFSET);
271 mutex_unlock(&data->lock);
274 /* It is important to read the MSB first, because doing so latches the
275 value of the LSB, so we are sure both bytes belong to the same value. */
276 static u16 f71805f_read16(struct f71805f_data *data, u8 reg)
280 mutex_lock(&data->lock);
281 outb(reg, data->addr + ADDR_REG_OFFSET);
282 val = inb(data->addr + DATA_REG_OFFSET) << 8;
283 outb(++reg, data->addr + ADDR_REG_OFFSET);
284 val |= inb(data->addr + DATA_REG_OFFSET);
285 mutex_unlock(&data->lock);
290 static void f71805f_write16(struct f71805f_data *data, u8 reg, u16 val)
292 mutex_lock(&data->lock);
293 outb(reg, data->addr + ADDR_REG_OFFSET);
294 outb(val >> 8, data->addr + DATA_REG_OFFSET);
295 outb(++reg, data->addr + ADDR_REG_OFFSET);
296 outb(val & 0xff, data->addr + DATA_REG_OFFSET);
297 mutex_unlock(&data->lock);
300 static struct f71805f_data *f71805f_update_device(struct device *dev)
302 struct f71805f_data *data = dev_get_drvdata(dev);
305 mutex_lock(&data->update_lock);
307 /* Limit registers cache is refreshed after 60 seconds */
308 if (time_after(jiffies, data->last_updated + 60 * HZ)
310 for (nr = 0; nr < 9; nr++) {
311 data->in_high[nr] = f71805f_read8(data,
312 F71805F_REG_IN_HIGH(nr));
313 data->in_low[nr] = f71805f_read8(data,
314 F71805F_REG_IN_LOW(nr));
316 for (nr = 0; nr < 3; nr++) {
317 if (data->fan_ctrl[nr] & FAN_CTRL_SKIP)
319 data->fan_low[nr] = f71805f_read16(data,
320 F71805F_REG_FAN_LOW(nr));
321 data->pwm_freq[nr] = f71805f_read8(data,
322 F71805F_REG_PWM_FREQ(nr));
324 for (nr = 0; nr < 3; nr++) {
325 data->temp_high[nr] = f71805f_read8(data,
326 F71805F_REG_TEMP_HIGH(nr));
327 data->temp_hyst[nr] = f71805f_read8(data,
328 F71805F_REG_TEMP_HYST(nr));
330 data->temp_mode = f71805f_read8(data, F71805F_REG_TEMP_MODE);
332 data->last_limits = jiffies;
335 /* Measurement registers cache is refreshed after 1 second */
336 if (time_after(jiffies, data->last_updated + HZ)
338 for (nr = 0; nr < 9; nr++) {
339 data->in[nr] = f71805f_read8(data,
342 for (nr = 0; nr < 3; nr++) {
343 if (data->fan_ctrl[nr] & FAN_CTRL_SKIP)
345 data->fan[nr] = f71805f_read16(data,
346 F71805F_REG_FAN(nr));
347 data->fan_ctrl[nr] = f71805f_read8(data,
348 F71805F_REG_FAN_CTRL(nr));
349 data->pwm[nr] = f71805f_read8(data,
350 F71805F_REG_PWM_DUTY(nr));
352 for (nr = 0; nr < 3; nr++) {
353 data->temp[nr] = f71805f_read8(data,
354 F71805F_REG_TEMP(nr));
356 data->alarms = f71805f_read8(data, F71805F_REG_STATUS(0))
357 + (f71805f_read8(data, F71805F_REG_STATUS(1)) << 8)
358 + (f71805f_read8(data, F71805F_REG_STATUS(2)) << 16);
360 data->last_updated = jiffies;
364 mutex_unlock(&data->update_lock);
373 static ssize_t show_in0(struct device *dev, struct device_attribute *devattr,
376 struct f71805f_data *data = f71805f_update_device(dev);
378 return sprintf(buf, "%ld\n", in0_from_reg(data->in[0]));
381 static ssize_t show_in0_max(struct device *dev, struct device_attribute
384 struct f71805f_data *data = f71805f_update_device(dev);
386 return sprintf(buf, "%ld\n", in0_from_reg(data->in_high[0]));
389 static ssize_t show_in0_min(struct device *dev, struct device_attribute
392 struct f71805f_data *data = f71805f_update_device(dev);
394 return sprintf(buf, "%ld\n", in0_from_reg(data->in_low[0]));
397 static ssize_t set_in0_max(struct device *dev, struct device_attribute
398 *devattr, const char *buf, size_t count)
400 struct f71805f_data *data = dev_get_drvdata(dev);
401 long val = simple_strtol(buf, NULL, 10);
403 mutex_lock(&data->update_lock);
404 data->in_high[0] = in0_to_reg(val);
405 f71805f_write8(data, F71805F_REG_IN_HIGH(0), data->in_high[0]);
406 mutex_unlock(&data->update_lock);
411 static ssize_t set_in0_min(struct device *dev, struct device_attribute
412 *devattr, const char *buf, size_t count)
414 struct f71805f_data *data = dev_get_drvdata(dev);
415 long val = simple_strtol(buf, NULL, 10);
417 mutex_lock(&data->update_lock);
418 data->in_low[0] = in0_to_reg(val);
419 f71805f_write8(data, F71805F_REG_IN_LOW(0), data->in_low[0]);
420 mutex_unlock(&data->update_lock);
425 static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
428 struct f71805f_data *data = f71805f_update_device(dev);
429 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
430 int nr = attr->index;
432 return sprintf(buf, "%ld\n", in_from_reg(data->in[nr]));
435 static ssize_t show_in_max(struct device *dev, struct device_attribute
438 struct f71805f_data *data = f71805f_update_device(dev);
439 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
440 int nr = attr->index;
442 return sprintf(buf, "%ld\n", in_from_reg(data->in_high[nr]));
445 static ssize_t show_in_min(struct device *dev, struct device_attribute
448 struct f71805f_data *data = f71805f_update_device(dev);
449 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
450 int nr = attr->index;
452 return sprintf(buf, "%ld\n", in_from_reg(data->in_low[nr]));
455 static ssize_t set_in_max(struct device *dev, struct device_attribute
456 *devattr, const char *buf, size_t count)
458 struct f71805f_data *data = dev_get_drvdata(dev);
459 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
460 int nr = attr->index;
461 long val = simple_strtol(buf, NULL, 10);
463 mutex_lock(&data->update_lock);
464 data->in_high[nr] = in_to_reg(val);
465 f71805f_write8(data, F71805F_REG_IN_HIGH(nr), data->in_high[nr]);
466 mutex_unlock(&data->update_lock);
471 static ssize_t set_in_min(struct device *dev, struct device_attribute
472 *devattr, const char *buf, size_t count)
474 struct f71805f_data *data = dev_get_drvdata(dev);
475 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
476 int nr = attr->index;
477 long val = simple_strtol(buf, NULL, 10);
479 mutex_lock(&data->update_lock);
480 data->in_low[nr] = in_to_reg(val);
481 f71805f_write8(data, F71805F_REG_IN_LOW(nr), data->in_low[nr]);
482 mutex_unlock(&data->update_lock);
487 static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
490 struct f71805f_data *data = f71805f_update_device(dev);
491 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
492 int nr = attr->index;
494 return sprintf(buf, "%ld\n", fan_from_reg(data->fan[nr]));
497 static ssize_t show_fan_min(struct device *dev, struct device_attribute
500 struct f71805f_data *data = f71805f_update_device(dev);
501 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
502 int nr = attr->index;
504 return sprintf(buf, "%ld\n", fan_from_reg(data->fan_low[nr]));
507 static ssize_t set_fan_min(struct device *dev, struct device_attribute
508 *devattr, const char *buf, size_t count)
510 struct f71805f_data *data = dev_get_drvdata(dev);
511 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
512 int nr = attr->index;
513 long val = simple_strtol(buf, NULL, 10);
515 mutex_lock(&data->update_lock);
516 data->fan_low[nr] = fan_to_reg(val);
517 f71805f_write16(data, F71805F_REG_FAN_LOW(nr), data->fan_low[nr]);
518 mutex_unlock(&data->update_lock);
523 static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr,
526 struct f71805f_data *data = f71805f_update_device(dev);
527 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
528 int nr = attr->index;
530 return sprintf(buf, "%d\n", (int)data->pwm[nr]);
533 static ssize_t show_pwm_enable(struct device *dev, struct device_attribute
536 struct f71805f_data *data = f71805f_update_device(dev);
537 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
538 int nr = attr->index;
541 switch (data->fan_ctrl[nr] & FAN_CTRL_MODE_MASK) {
542 case FAN_CTRL_MODE_SPEED:
545 case FAN_CTRL_MODE_TEMPERATURE:
548 default: /* MANUAL */
552 return sprintf(buf, "%d\n", mode);
555 static ssize_t show_pwm_freq(struct device *dev, struct device_attribute
558 struct f71805f_data *data = f71805f_update_device(dev);
559 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
560 int nr = attr->index;
562 return sprintf(buf, "%lu\n", pwm_freq_from_reg(data->pwm_freq[nr]));
565 static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr,
566 const char *buf, size_t count)
568 struct f71805f_data *data = dev_get_drvdata(dev);
569 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
570 int nr = attr->index;
571 unsigned long val = simple_strtoul(buf, NULL, 10);
576 mutex_lock(&data->update_lock);
578 f71805f_write8(data, F71805F_REG_PWM_DUTY(nr), data->pwm[nr]);
579 mutex_unlock(&data->update_lock);
584 static struct attribute *f71805f_attr_pwm[];
586 static ssize_t set_pwm_enable(struct device *dev, struct device_attribute
587 *devattr, const char *buf, size_t count)
589 struct f71805f_data *data = dev_get_drvdata(dev);
590 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
591 int nr = attr->index;
592 unsigned long val = simple_strtoul(buf, NULL, 10);
595 if (val < 1 || val > 3)
598 if (val > 1) { /* Automatic mode, user can't set PWM value */
599 if (sysfs_chmod_file(&dev->kobj, f71805f_attr_pwm[nr],
601 dev_dbg(dev, "chmod -w pwm%d failed\n", nr + 1);
604 mutex_lock(&data->update_lock);
605 reg = f71805f_read8(data, F71805F_REG_FAN_CTRL(nr))
606 & ~FAN_CTRL_MODE_MASK;
609 reg |= FAN_CTRL_MODE_MANUAL;
612 reg |= FAN_CTRL_MODE_TEMPERATURE;
615 reg |= FAN_CTRL_MODE_SPEED;
618 data->fan_ctrl[nr] = reg;
619 f71805f_write8(data, F71805F_REG_FAN_CTRL(nr), reg);
620 mutex_unlock(&data->update_lock);
622 if (val == 1) { /* Manual mode, user can set PWM value */
623 if (sysfs_chmod_file(&dev->kobj, f71805f_attr_pwm[nr],
625 dev_dbg(dev, "chmod +w pwm%d failed\n", nr + 1);
631 static ssize_t set_pwm_freq(struct device *dev, struct device_attribute
632 *devattr, const char *buf, size_t count)
634 struct f71805f_data *data = dev_get_drvdata(dev);
635 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
636 int nr = attr->index;
637 unsigned long val = simple_strtoul(buf, NULL, 10);
639 mutex_lock(&data->update_lock);
640 data->pwm_freq[nr] = pwm_freq_to_reg(val);
641 f71805f_write8(data, F71805F_REG_PWM_FREQ(nr), data->pwm_freq[nr]);
642 mutex_unlock(&data->update_lock);
647 static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,
650 struct f71805f_data *data = f71805f_update_device(dev);
651 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
652 int nr = attr->index;
654 return sprintf(buf, "%ld\n", temp_from_reg(data->temp[nr]));
657 static ssize_t show_temp_max(struct device *dev, struct device_attribute
660 struct f71805f_data *data = f71805f_update_device(dev);
661 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
662 int nr = attr->index;
664 return sprintf(buf, "%ld\n", temp_from_reg(data->temp_high[nr]));
667 static ssize_t show_temp_hyst(struct device *dev, struct device_attribute
670 struct f71805f_data *data = f71805f_update_device(dev);
671 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
672 int nr = attr->index;
674 return sprintf(buf, "%ld\n", temp_from_reg(data->temp_hyst[nr]));
677 static ssize_t show_temp_type(struct device *dev, struct device_attribute
680 struct f71805f_data *data = f71805f_update_device(dev);
681 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
682 int nr = attr->index;
684 /* 3 is diode, 4 is thermistor */
685 return sprintf(buf, "%u\n", (data->temp_mode & (1 << nr)) ? 3 : 4);
688 static ssize_t set_temp_max(struct device *dev, struct device_attribute
689 *devattr, const char *buf, size_t count)
691 struct f71805f_data *data = dev_get_drvdata(dev);
692 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
693 int nr = attr->index;
694 long val = simple_strtol(buf, NULL, 10);
696 mutex_lock(&data->update_lock);
697 data->temp_high[nr] = temp_to_reg(val);
698 f71805f_write8(data, F71805F_REG_TEMP_HIGH(nr), data->temp_high[nr]);
699 mutex_unlock(&data->update_lock);
704 static ssize_t set_temp_hyst(struct device *dev, struct device_attribute
705 *devattr, const char *buf, size_t count)
707 struct f71805f_data *data = dev_get_drvdata(dev);
708 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
709 int nr = attr->index;
710 long val = simple_strtol(buf, NULL, 10);
712 mutex_lock(&data->update_lock);
713 data->temp_hyst[nr] = temp_to_reg(val);
714 f71805f_write8(data, F71805F_REG_TEMP_HYST(nr), data->temp_hyst[nr]);
715 mutex_unlock(&data->update_lock);
720 static ssize_t show_alarms_in(struct device *dev, struct device_attribute
723 struct f71805f_data *data = f71805f_update_device(dev);
725 return sprintf(buf, "%lu\n", data->alarms & 0x1ff);
728 static ssize_t show_alarms_fan(struct device *dev, struct device_attribute
731 struct f71805f_data *data = f71805f_update_device(dev);
733 return sprintf(buf, "%lu\n", (data->alarms >> 16) & 0x07);
736 static ssize_t show_alarms_temp(struct device *dev, struct device_attribute
739 struct f71805f_data *data = f71805f_update_device(dev);
741 return sprintf(buf, "%lu\n", (data->alarms >> 11) & 0x07);
744 static ssize_t show_alarm(struct device *dev, struct device_attribute
747 struct f71805f_data *data = f71805f_update_device(dev);
748 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
749 int bitnr = attr->index;
751 return sprintf(buf, "%lu\n", (data->alarms >> bitnr) & 1);
754 static ssize_t show_name(struct device *dev, struct device_attribute
757 struct f71805f_data *data = dev_get_drvdata(dev);
759 return sprintf(buf, "%s\n", data->name);
762 static DEVICE_ATTR(in0_input, S_IRUGO, show_in0, NULL);
763 static DEVICE_ATTR(in0_max, S_IRUGO| S_IWUSR, show_in0_max, set_in0_max);
764 static DEVICE_ATTR(in0_min, S_IRUGO| S_IWUSR, show_in0_min, set_in0_min);
765 static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 1);
766 static SENSOR_DEVICE_ATTR(in1_max, S_IRUGO | S_IWUSR,
767 show_in_max, set_in_max, 1);
768 static SENSOR_DEVICE_ATTR(in1_min, S_IRUGO | S_IWUSR,
769 show_in_min, set_in_min, 1);
770 static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in, NULL, 2);
771 static SENSOR_DEVICE_ATTR(in2_max, S_IRUGO | S_IWUSR,
772 show_in_max, set_in_max, 2);
773 static SENSOR_DEVICE_ATTR(in2_min, S_IRUGO | S_IWUSR,
774 show_in_min, set_in_min, 2);
775 static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in, NULL, 3);
776 static SENSOR_DEVICE_ATTR(in3_max, S_IRUGO | S_IWUSR,
777 show_in_max, set_in_max, 3);
778 static SENSOR_DEVICE_ATTR(in3_min, S_IRUGO | S_IWUSR,
779 show_in_min, set_in_min, 3);
780 static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_in, NULL, 4);
781 static SENSOR_DEVICE_ATTR(in4_max, S_IRUGO | S_IWUSR,
782 show_in_max, set_in_max, 4);
783 static SENSOR_DEVICE_ATTR(in4_min, S_IRUGO | S_IWUSR,
784 show_in_min, set_in_min, 4);
785 static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_in, NULL, 5);
786 static SENSOR_DEVICE_ATTR(in5_max, S_IRUGO | S_IWUSR,
787 show_in_max, set_in_max, 5);
788 static SENSOR_DEVICE_ATTR(in5_min, S_IRUGO | S_IWUSR,
789 show_in_min, set_in_min, 5);
790 static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_in, NULL, 6);
791 static SENSOR_DEVICE_ATTR(in6_max, S_IRUGO | S_IWUSR,
792 show_in_max, set_in_max, 6);
793 static SENSOR_DEVICE_ATTR(in6_min, S_IRUGO | S_IWUSR,
794 show_in_min, set_in_min, 6);
795 static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_in, NULL, 7);
796 static SENSOR_DEVICE_ATTR(in7_max, S_IRUGO | S_IWUSR,
797 show_in_max, set_in_max, 7);
798 static SENSOR_DEVICE_ATTR(in7_min, S_IRUGO | S_IWUSR,
799 show_in_min, set_in_min, 7);
800 static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_in, NULL, 8);
801 static SENSOR_DEVICE_ATTR(in8_max, S_IRUGO | S_IWUSR,
802 show_in_max, set_in_max, 8);
803 static SENSOR_DEVICE_ATTR(in8_min, S_IRUGO | S_IWUSR,
804 show_in_min, set_in_min, 8);
806 static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0);
807 static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO | S_IWUSR,
808 show_fan_min, set_fan_min, 0);
809 static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1);
810 static SENSOR_DEVICE_ATTR(fan2_min, S_IRUGO | S_IWUSR,
811 show_fan_min, set_fan_min, 1);
812 static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2);
813 static SENSOR_DEVICE_ATTR(fan3_min, S_IRUGO | S_IWUSR,
814 show_fan_min, set_fan_min, 2);
816 static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);
817 static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR,
818 show_temp_max, set_temp_max, 0);
819 static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR,
820 show_temp_hyst, set_temp_hyst, 0);
821 static SENSOR_DEVICE_ATTR(temp1_type, S_IRUGO, show_temp_type, NULL, 0);
822 static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1);
823 static SENSOR_DEVICE_ATTR(temp2_max, S_IRUGO | S_IWUSR,
824 show_temp_max, set_temp_max, 1);
825 static SENSOR_DEVICE_ATTR(temp2_max_hyst, S_IRUGO | S_IWUSR,
826 show_temp_hyst, set_temp_hyst, 1);
827 static SENSOR_DEVICE_ATTR(temp2_type, S_IRUGO, show_temp_type, NULL, 1);
828 static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2);
829 static SENSOR_DEVICE_ATTR(temp3_max, S_IRUGO | S_IWUSR,
830 show_temp_max, set_temp_max, 2);
831 static SENSOR_DEVICE_ATTR(temp3_max_hyst, S_IRUGO | S_IWUSR,
832 show_temp_hyst, set_temp_hyst, 2);
833 static SENSOR_DEVICE_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2);
835 /* pwm (value) files are created read-only, write permission is
836 then added or removed dynamically as needed */
837 static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO, show_pwm, set_pwm, 0);
838 static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR,
839 show_pwm_enable, set_pwm_enable, 0);
840 static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO | S_IWUSR,
841 show_pwm_freq, set_pwm_freq, 0);
842 static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO, show_pwm, set_pwm, 1);
843 static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR,
844 show_pwm_enable, set_pwm_enable, 1);
845 static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO | S_IWUSR,
846 show_pwm_freq, set_pwm_freq, 1);
847 static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO, show_pwm, set_pwm, 2);
848 static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR,
849 show_pwm_enable, set_pwm_enable, 2);
850 static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO | S_IWUSR,
851 show_pwm_freq, set_pwm_freq, 2);
853 static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
854 static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
855 static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
856 static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
857 static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 4);
858 static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 5);
859 static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 6);
860 static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 7);
861 static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 8);
862 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 11);
863 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 12);
864 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13);
865 static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 16);
866 static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 17);
867 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 18);
868 static DEVICE_ATTR(alarms_in, S_IRUGO, show_alarms_in, NULL);
869 static DEVICE_ATTR(alarms_fan, S_IRUGO, show_alarms_fan, NULL);
870 static DEVICE_ATTR(alarms_temp, S_IRUGO, show_alarms_temp, NULL);
872 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
874 static struct attribute *f71805f_attributes[] = {
875 &dev_attr_in0_input.attr,
876 &dev_attr_in0_max.attr,
877 &dev_attr_in0_min.attr,
878 &sensor_dev_attr_in1_input.dev_attr.attr,
879 &sensor_dev_attr_in1_max.dev_attr.attr,
880 &sensor_dev_attr_in1_min.dev_attr.attr,
881 &sensor_dev_attr_in2_input.dev_attr.attr,
882 &sensor_dev_attr_in2_max.dev_attr.attr,
883 &sensor_dev_attr_in2_min.dev_attr.attr,
884 &sensor_dev_attr_in3_input.dev_attr.attr,
885 &sensor_dev_attr_in3_max.dev_attr.attr,
886 &sensor_dev_attr_in3_min.dev_attr.attr,
887 &sensor_dev_attr_in4_input.dev_attr.attr,
888 &sensor_dev_attr_in4_max.dev_attr.attr,
889 &sensor_dev_attr_in4_min.dev_attr.attr,
890 &sensor_dev_attr_in5_input.dev_attr.attr,
891 &sensor_dev_attr_in5_max.dev_attr.attr,
892 &sensor_dev_attr_in5_min.dev_attr.attr,
893 &sensor_dev_attr_in6_input.dev_attr.attr,
894 &sensor_dev_attr_in6_max.dev_attr.attr,
895 &sensor_dev_attr_in6_min.dev_attr.attr,
896 &sensor_dev_attr_in7_input.dev_attr.attr,
897 &sensor_dev_attr_in7_max.dev_attr.attr,
898 &sensor_dev_attr_in7_min.dev_attr.attr,
899 &sensor_dev_attr_in8_input.dev_attr.attr,
900 &sensor_dev_attr_in8_max.dev_attr.attr,
901 &sensor_dev_attr_in8_min.dev_attr.attr,
903 &sensor_dev_attr_temp1_input.dev_attr.attr,
904 &sensor_dev_attr_temp1_max.dev_attr.attr,
905 &sensor_dev_attr_temp1_max_hyst.dev_attr.attr,
906 &sensor_dev_attr_temp1_type.dev_attr.attr,
907 &sensor_dev_attr_temp2_input.dev_attr.attr,
908 &sensor_dev_attr_temp2_max.dev_attr.attr,
909 &sensor_dev_attr_temp2_max_hyst.dev_attr.attr,
910 &sensor_dev_attr_temp2_type.dev_attr.attr,
911 &sensor_dev_attr_temp3_input.dev_attr.attr,
912 &sensor_dev_attr_temp3_max.dev_attr.attr,
913 &sensor_dev_attr_temp3_max_hyst.dev_attr.attr,
914 &sensor_dev_attr_temp3_type.dev_attr.attr,
916 &sensor_dev_attr_in0_alarm.dev_attr.attr,
917 &sensor_dev_attr_in1_alarm.dev_attr.attr,
918 &sensor_dev_attr_in2_alarm.dev_attr.attr,
919 &sensor_dev_attr_in3_alarm.dev_attr.attr,
920 &sensor_dev_attr_in4_alarm.dev_attr.attr,
921 &sensor_dev_attr_in5_alarm.dev_attr.attr,
922 &sensor_dev_attr_in6_alarm.dev_attr.attr,
923 &sensor_dev_attr_in7_alarm.dev_attr.attr,
924 &sensor_dev_attr_in8_alarm.dev_attr.attr,
925 &dev_attr_alarms_in.attr,
926 &sensor_dev_attr_temp1_alarm.dev_attr.attr,
927 &sensor_dev_attr_temp2_alarm.dev_attr.attr,
928 &sensor_dev_attr_temp3_alarm.dev_attr.attr,
929 &dev_attr_alarms_temp.attr,
930 &dev_attr_alarms_fan.attr,
936 static const struct attribute_group f71805f_group = {
937 .attrs = f71805f_attributes,
940 static struct attribute *f71805f_attributes_fan[3][7] = {
942 &sensor_dev_attr_fan1_input.dev_attr.attr,
943 &sensor_dev_attr_fan1_min.dev_attr.attr,
944 &sensor_dev_attr_fan1_alarm.dev_attr.attr,
945 &sensor_dev_attr_pwm1.dev_attr.attr,
946 &sensor_dev_attr_pwm1_enable.dev_attr.attr,
947 &sensor_dev_attr_pwm1_freq.dev_attr.attr,
950 &sensor_dev_attr_fan2_input.dev_attr.attr,
951 &sensor_dev_attr_fan2_min.dev_attr.attr,
952 &sensor_dev_attr_fan2_alarm.dev_attr.attr,
953 &sensor_dev_attr_pwm2.dev_attr.attr,
954 &sensor_dev_attr_pwm2_enable.dev_attr.attr,
955 &sensor_dev_attr_pwm2_freq.dev_attr.attr,
958 &sensor_dev_attr_fan3_input.dev_attr.attr,
959 &sensor_dev_attr_fan3_min.dev_attr.attr,
960 &sensor_dev_attr_fan3_alarm.dev_attr.attr,
961 &sensor_dev_attr_pwm3.dev_attr.attr,
962 &sensor_dev_attr_pwm3_enable.dev_attr.attr,
963 &sensor_dev_attr_pwm3_freq.dev_attr.attr,
968 static const struct attribute_group f71805f_group_fan[3] = {
969 { .attrs = f71805f_attributes_fan[0] },
970 { .attrs = f71805f_attributes_fan[1] },
971 { .attrs = f71805f_attributes_fan[2] },
974 /* We also need an indexed access to pwmN files to toggle writability */
975 static struct attribute *f71805f_attr_pwm[] = {
976 &sensor_dev_attr_pwm1.dev_attr.attr,
977 &sensor_dev_attr_pwm2.dev_attr.attr,
978 &sensor_dev_attr_pwm3.dev_attr.attr,
982 * Device registration and initialization
985 static void __devinit f71805f_init_device(struct f71805f_data *data)
990 reg = f71805f_read8(data, F71805F_REG_START);
991 if ((reg & 0x41) != 0x01) {
992 printk(KERN_DEBUG DRVNAME ": Starting monitoring "
994 f71805f_write8(data, F71805F_REG_START, (reg | 0x01) & ~0x40);
997 /* Fan monitoring can be disabled. If it is, we won't be polling
998 the register values, and won't create the related sysfs files. */
999 for (i = 0; i < 3; i++) {
1000 data->fan_ctrl[i] = f71805f_read8(data,
1001 F71805F_REG_FAN_CTRL(i));
1005 static int __devinit f71805f_probe(struct platform_device *pdev)
1007 struct f71805f_data *data;
1008 struct resource *res;
1011 if (!(data = kzalloc(sizeof(struct f71805f_data), GFP_KERNEL))) {
1013 printk(KERN_ERR DRVNAME ": Out of memory\n");
1017 res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1018 data->addr = res->start;
1019 mutex_init(&data->lock);
1020 data->name = "f71805f";
1021 mutex_init(&data->update_lock);
1023 platform_set_drvdata(pdev, data);
1025 /* Initialize the F71805F chip */
1026 f71805f_init_device(data);
1028 /* Register sysfs interface files */
1029 if ((err = sysfs_create_group(&pdev->dev.kobj, &f71805f_group)))
1031 for (i = 0; i < 3; i++) {
1032 if (data->fan_ctrl[i] & FAN_CTRL_SKIP)
1034 if ((err = sysfs_create_group(&pdev->dev.kobj,
1035 &f71805f_group_fan[i])))
1036 goto exit_remove_files;
1037 /* If PWM is in manual mode, add write permission */
1038 if (data->fan_ctrl[i] & FAN_CTRL_MODE_MANUAL) {
1039 if ((err = sysfs_chmod_file(&pdev->dev.kobj,
1040 f71805f_attr_pwm[i],
1041 S_IRUGO | S_IWUSR))) {
1042 dev_err(&pdev->dev, "chmod +w pwm%d failed\n",
1044 goto exit_remove_files;
1049 data->class_dev = hwmon_device_register(&pdev->dev);
1050 if (IS_ERR(data->class_dev)) {
1051 err = PTR_ERR(data->class_dev);
1052 dev_err(&pdev->dev, "Class registration failed (%d)\n", err);
1053 goto exit_remove_files;
1059 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group);
1060 for (i = 0; i < 3; i++)
1061 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_fan[i]);
1063 platform_set_drvdata(pdev, NULL);
1069 static int __devexit f71805f_remove(struct platform_device *pdev)
1071 struct f71805f_data *data = platform_get_drvdata(pdev);
1074 platform_set_drvdata(pdev, NULL);
1075 hwmon_device_unregister(data->class_dev);
1076 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group);
1077 for (i = 0; i < 3; i++)
1078 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_fan[i]);
1084 static struct platform_driver f71805f_driver = {
1086 .owner = THIS_MODULE,
1089 .probe = f71805f_probe,
1090 .remove = __devexit_p(f71805f_remove),
1093 static int __init f71805f_device_add(unsigned short address)
1095 struct resource res = {
1097 .end = address + REGION_LENGTH - 1,
1098 .flags = IORESOURCE_IO,
1102 pdev = platform_device_alloc(DRVNAME, address);
1105 printk(KERN_ERR DRVNAME ": Device allocation failed\n");
1109 res.name = pdev->name;
1110 err = platform_device_add_resources(pdev, &res, 1);
1112 printk(KERN_ERR DRVNAME ": Device resource addition failed "
1114 goto exit_device_put;
1117 err = platform_device_add(pdev);
1119 printk(KERN_ERR DRVNAME ": Device addition failed (%d)\n",
1121 goto exit_device_put;
1127 platform_device_put(pdev);
1132 static int __init f71805f_find(int sioaddr, unsigned short *address)
1137 superio_enter(sioaddr);
1139 devid = superio_inw(sioaddr, SIO_REG_MANID);
1140 if (devid != SIO_FINTEK_ID)
1143 devid = superio_inw(sioaddr, SIO_REG_DEVID);
1144 if (devid != SIO_F71805F_ID) {
1145 printk(KERN_INFO DRVNAME ": Unsupported Fintek device, "
1150 superio_select(sioaddr, F71805F_LD_HWM);
1151 if (!(superio_inb(sioaddr, SIO_REG_ENABLE) & 0x01)) {
1152 printk(KERN_WARNING DRVNAME ": Device not activated, "
1157 *address = superio_inw(sioaddr, SIO_REG_ADDR);
1158 if (*address == 0) {
1159 printk(KERN_WARNING DRVNAME ": Base address not set, "
1165 printk(KERN_INFO DRVNAME ": Found F71805F chip at %#x, revision %u\n",
1166 *address, superio_inb(sioaddr, SIO_REG_DEVREV));
1169 superio_exit(sioaddr);
1173 static int __init f71805f_init(void)
1176 unsigned short address;
1178 if (f71805f_find(0x2e, &address)
1179 && f71805f_find(0x4e, &address))
1182 err = platform_driver_register(&f71805f_driver);
1186 /* Sets global pdev as a side effect */
1187 err = f71805f_device_add(address);
1194 platform_driver_unregister(&f71805f_driver);
1199 static void __exit f71805f_exit(void)
1201 platform_device_unregister(pdev);
1202 platform_driver_unregister(&f71805f_driver);
1205 MODULE_AUTHOR("Jean Delvare <khali@linux-fr>");
1206 MODULE_LICENSE("GPL");
1207 MODULE_DESCRIPTION("F71805F hardware monitoring driver");
1209 module_init(f71805f_init);
1210 module_exit(f71805f_exit);