2 * f71805f.c - driver for the Fintek F71805F/FG and F71872F/FG Super-I/O
3 * chips integrated 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 * The F71872F/FG is almost the same, with two more voltages monitored,
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 #include <linux/module.h>
29 #include <linux/init.h>
30 #include <linux/slab.h>
31 #include <linux/jiffies.h>
32 #include <linux/platform_device.h>
33 #include <linux/hwmon.h>
34 #include <linux/hwmon-sysfs.h>
35 #include <linux/err.h>
36 #include <linux/mutex.h>
37 #include <linux/sysfs.h>
38 #include <linux/ioport.h>
41 static struct platform_device *pdev;
43 #define DRVNAME "f71805f"
44 enum kinds { f71805f, f71872f };
47 * Super-I/O constants and functions
50 #define F71805F_LD_HWM 0x04
52 #define SIO_REG_LDSEL 0x07 /* Logical device select */
53 #define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */
54 #define SIO_REG_DEVREV 0x22 /* Device revision */
55 #define SIO_REG_MANID 0x23 /* Fintek ID (2 bytes) */
56 #define SIO_REG_FNSEL1 0x29 /* Multi Function Select 1 (F71872F) */
57 #define SIO_REG_ENABLE 0x30 /* Logical device enable */
58 #define SIO_REG_ADDR 0x60 /* Logical device address (2 bytes) */
60 #define SIO_FINTEK_ID 0x1934
61 #define SIO_F71805F_ID 0x0406
62 #define SIO_F71872F_ID 0x0341
65 superio_inb(int base, int reg)
72 superio_inw(int base, int reg)
76 val = inb(base + 1) << 8;
83 superio_select(int base, int ld)
85 outb(SIO_REG_LDSEL, base);
90 superio_enter(int base)
97 superio_exit(int base)
106 #define REGION_LENGTH 8
107 #define ADDR_REG_OFFSET 5
108 #define DATA_REG_OFFSET 6
114 /* in nr from 0 to 10 (8-bit values) */
115 #define F71805F_REG_IN(nr) (0x10 + (nr))
116 #define F71805F_REG_IN_HIGH(nr) ((nr) < 10 ? 0x40 + 2 * (nr) : 0x2E)
117 #define F71805F_REG_IN_LOW(nr) ((nr) < 10 ? 0x41 + 2 * (nr) : 0x2F)
118 /* fan nr from 0 to 2 (12-bit values, two registers) */
119 #define F71805F_REG_FAN(nr) (0x20 + 2 * (nr))
120 #define F71805F_REG_FAN_LOW(nr) (0x28 + 2 * (nr))
121 #define F71805F_REG_FAN_TARGET(nr) (0x69 + 16 * (nr))
122 #define F71805F_REG_FAN_CTRL(nr) (0x60 + 16 * (nr))
123 #define F71805F_REG_PWM_FREQ(nr) (0x63 + 16 * (nr))
124 #define F71805F_REG_PWM_DUTY(nr) (0x6B + 16 * (nr))
125 /* temp nr from 0 to 2 (8-bit values) */
126 #define F71805F_REG_TEMP(nr) (0x1B + (nr))
127 #define F71805F_REG_TEMP_HIGH(nr) (0x54 + 2 * (nr))
128 #define F71805F_REG_TEMP_HYST(nr) (0x55 + 2 * (nr))
129 #define F71805F_REG_TEMP_MODE 0x01
130 /* pwm/fan pwmnr from 0 to 2, auto point apnr from 0 to 2 */
131 /* map Fintek numbers to our numbers as follows: 9->0, 5->1, 1->2 */
132 #define F71805F_REG_PWM_AUTO_POINT_TEMP(pwmnr, apnr) \
133 (0xA0 + 0x10 * (pwmnr) + (2 - (apnr)))
134 #define F71805F_REG_PWM_AUTO_POINT_FAN(pwmnr, apnr) \
135 (0xA4 + 0x10 * (pwmnr) + \
138 #define F71805F_REG_START 0x00
139 /* status nr from 0 to 2 */
140 #define F71805F_REG_STATUS(nr) (0x36 + (nr))
142 /* individual register bits */
143 #define FAN_CTRL_DC_MODE 0x10
144 #define FAN_CTRL_LATCH_FULL 0x08
145 #define FAN_CTRL_MODE_MASK 0x03
146 #define FAN_CTRL_MODE_SPEED 0x00
147 #define FAN_CTRL_MODE_TEMPERATURE 0x01
148 #define FAN_CTRL_MODE_MANUAL 0x02
151 * Data structures and manipulation thereof
154 struct f71805f_auto_point {
159 struct f71805f_data {
162 struct class_device *class_dev;
164 struct mutex update_lock;
165 char valid; /* !=0 if following fields are valid */
166 unsigned long last_updated; /* In jiffies */
167 unsigned long last_limits; /* In jiffies */
169 /* Register values */
184 unsigned long alarms;
185 struct f71805f_auto_point auto_points[3];
188 struct f71805f_sio_data {
193 static inline long in_from_reg(u8 reg)
198 /* The 2 least significant bits are not used */
199 static inline u8 in_to_reg(long val)
205 return (((val + 16) / 32) << 2);
208 /* in0 is downscaled by a factor 2 internally */
209 static inline long in0_from_reg(u8 reg)
214 static inline u8 in0_to_reg(long val)
220 return (((val + 32) / 64) << 2);
223 /* The 4 most significant bits are not used */
224 static inline long fan_from_reg(u16 reg)
227 if (!reg || reg == 0xfff)
229 return (1500000 / reg);
232 static inline u16 fan_to_reg(long rpm)
234 /* If the low limit is set below what the chip can measure,
235 store the largest possible 12-bit value in the registers,
236 so that no alarm will ever trigger. */
239 return (1500000 / rpm);
242 static inline unsigned long pwm_freq_from_reg(u8 reg)
244 unsigned long clock = (reg & 0x80) ? 48000000UL : 1000000UL;
249 return clock / (reg << 8);
252 static inline u8 pwm_freq_to_reg(unsigned long val)
254 if (val >= 187500) /* The highest we can do */
256 if (val >= 1475) /* Use 48 MHz clock */
257 return 0x80 | (48000000UL / (val << 8));
258 if (val < 31) /* The lowest we can do */
260 else /* Use 1 MHz clock */
261 return 1000000UL / (val << 8);
264 static inline int pwm_mode_from_reg(u8 reg)
266 return !(reg & FAN_CTRL_DC_MODE);
269 static inline long temp_from_reg(u8 reg)
274 static inline u8 temp_to_reg(long val)
278 else if (val > 1000 * 0xff)
280 return ((val + 500) / 1000);
287 /* Must be called with data->update_lock held, except during initialization */
288 static u8 f71805f_read8(struct f71805f_data *data, u8 reg)
290 outb(reg, data->addr + ADDR_REG_OFFSET);
291 return inb(data->addr + DATA_REG_OFFSET);
294 /* Must be called with data->update_lock held, except during initialization */
295 static void f71805f_write8(struct f71805f_data *data, u8 reg, u8 val)
297 outb(reg, data->addr + ADDR_REG_OFFSET);
298 outb(val, data->addr + DATA_REG_OFFSET);
301 /* It is important to read the MSB first, because doing so latches the
302 value of the LSB, so we are sure both bytes belong to the same value.
303 Must be called with data->update_lock held, except during initialization */
304 static u16 f71805f_read16(struct f71805f_data *data, u8 reg)
308 outb(reg, data->addr + ADDR_REG_OFFSET);
309 val = inb(data->addr + DATA_REG_OFFSET) << 8;
310 outb(++reg, data->addr + ADDR_REG_OFFSET);
311 val |= inb(data->addr + DATA_REG_OFFSET);
316 /* Must be called with data->update_lock held, except during initialization */
317 static void f71805f_write16(struct f71805f_data *data, u8 reg, u16 val)
319 outb(reg, data->addr + ADDR_REG_OFFSET);
320 outb(val >> 8, data->addr + DATA_REG_OFFSET);
321 outb(++reg, data->addr + ADDR_REG_OFFSET);
322 outb(val & 0xff, data->addr + DATA_REG_OFFSET);
325 static struct f71805f_data *f71805f_update_device(struct device *dev)
327 struct f71805f_data *data = dev_get_drvdata(dev);
330 mutex_lock(&data->update_lock);
332 /* Limit registers cache is refreshed after 60 seconds */
333 if (time_after(jiffies, data->last_updated + 60 * HZ)
335 for (nr = 0; nr < 11; nr++) {
336 if (!(data->has_in & (1 << nr)))
338 data->in_high[nr] = f71805f_read8(data,
339 F71805F_REG_IN_HIGH(nr));
340 data->in_low[nr] = f71805f_read8(data,
341 F71805F_REG_IN_LOW(nr));
343 for (nr = 0; nr < 3; nr++) {
344 data->fan_low[nr] = f71805f_read16(data,
345 F71805F_REG_FAN_LOW(nr));
346 data->fan_target[nr] = f71805f_read16(data,
347 F71805F_REG_FAN_TARGET(nr));
348 data->pwm_freq[nr] = f71805f_read8(data,
349 F71805F_REG_PWM_FREQ(nr));
351 for (nr = 0; nr < 3; nr++) {
352 data->temp_high[nr] = f71805f_read8(data,
353 F71805F_REG_TEMP_HIGH(nr));
354 data->temp_hyst[nr] = f71805f_read8(data,
355 F71805F_REG_TEMP_HYST(nr));
357 data->temp_mode = f71805f_read8(data, F71805F_REG_TEMP_MODE);
358 for (nr = 0; nr < 3; nr++) {
359 for (apnr = 0; apnr < 3; apnr++) {
360 data->auto_points[nr].temp[apnr] =
362 F71805F_REG_PWM_AUTO_POINT_TEMP(nr,
364 data->auto_points[nr].fan[apnr] =
366 F71805F_REG_PWM_AUTO_POINT_FAN(nr,
371 data->last_limits = jiffies;
374 /* Measurement registers cache is refreshed after 1 second */
375 if (time_after(jiffies, data->last_updated + HZ)
377 for (nr = 0; nr < 11; nr++) {
378 if (!(data->has_in & (1 << nr)))
380 data->in[nr] = f71805f_read8(data,
383 for (nr = 0; nr < 3; nr++) {
384 data->fan[nr] = f71805f_read16(data,
385 F71805F_REG_FAN(nr));
386 data->fan_ctrl[nr] = f71805f_read8(data,
387 F71805F_REG_FAN_CTRL(nr));
388 data->pwm[nr] = f71805f_read8(data,
389 F71805F_REG_PWM_DUTY(nr));
391 for (nr = 0; nr < 3; nr++) {
392 data->temp[nr] = f71805f_read8(data,
393 F71805F_REG_TEMP(nr));
395 data->alarms = f71805f_read8(data, F71805F_REG_STATUS(0))
396 + (f71805f_read8(data, F71805F_REG_STATUS(1)) << 8)
397 + (f71805f_read8(data, F71805F_REG_STATUS(2)) << 16);
399 data->last_updated = jiffies;
403 mutex_unlock(&data->update_lock);
412 static ssize_t show_in0(struct device *dev, struct device_attribute *devattr,
415 struct f71805f_data *data = f71805f_update_device(dev);
416 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
417 int nr = attr->index;
419 return sprintf(buf, "%ld\n", in0_from_reg(data->in[nr]));
422 static ssize_t show_in0_max(struct device *dev, struct device_attribute
425 struct f71805f_data *data = f71805f_update_device(dev);
426 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
427 int nr = attr->index;
429 return sprintf(buf, "%ld\n", in0_from_reg(data->in_high[nr]));
432 static ssize_t show_in0_min(struct device *dev, struct device_attribute
435 struct f71805f_data *data = f71805f_update_device(dev);
436 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
437 int nr = attr->index;
439 return sprintf(buf, "%ld\n", in0_from_reg(data->in_low[nr]));
442 static ssize_t set_in0_max(struct device *dev, struct device_attribute
443 *devattr, const char *buf, size_t count)
445 struct f71805f_data *data = dev_get_drvdata(dev);
446 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
447 int nr = attr->index;
448 long val = simple_strtol(buf, NULL, 10);
450 mutex_lock(&data->update_lock);
451 data->in_high[nr] = in0_to_reg(val);
452 f71805f_write8(data, F71805F_REG_IN_HIGH(nr), data->in_high[nr]);
453 mutex_unlock(&data->update_lock);
458 static ssize_t set_in0_min(struct device *dev, struct device_attribute
459 *devattr, const char *buf, size_t count)
461 struct f71805f_data *data = dev_get_drvdata(dev);
462 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
463 int nr = attr->index;
464 long val = simple_strtol(buf, NULL, 10);
466 mutex_lock(&data->update_lock);
467 data->in_low[nr] = in0_to_reg(val);
468 f71805f_write8(data, F71805F_REG_IN_LOW(nr), data->in_low[nr]);
469 mutex_unlock(&data->update_lock);
474 static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
477 struct f71805f_data *data = f71805f_update_device(dev);
478 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
479 int nr = attr->index;
481 return sprintf(buf, "%ld\n", in_from_reg(data->in[nr]));
484 static ssize_t show_in_max(struct device *dev, struct device_attribute
487 struct f71805f_data *data = f71805f_update_device(dev);
488 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
489 int nr = attr->index;
491 return sprintf(buf, "%ld\n", in_from_reg(data->in_high[nr]));
494 static ssize_t show_in_min(struct device *dev, struct device_attribute
497 struct f71805f_data *data = f71805f_update_device(dev);
498 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
499 int nr = attr->index;
501 return sprintf(buf, "%ld\n", in_from_reg(data->in_low[nr]));
504 static ssize_t set_in_max(struct device *dev, struct device_attribute
505 *devattr, const char *buf, size_t count)
507 struct f71805f_data *data = dev_get_drvdata(dev);
508 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
509 int nr = attr->index;
510 long val = simple_strtol(buf, NULL, 10);
512 mutex_lock(&data->update_lock);
513 data->in_high[nr] = in_to_reg(val);
514 f71805f_write8(data, F71805F_REG_IN_HIGH(nr), data->in_high[nr]);
515 mutex_unlock(&data->update_lock);
520 static ssize_t set_in_min(struct device *dev, struct device_attribute
521 *devattr, const char *buf, size_t count)
523 struct f71805f_data *data = dev_get_drvdata(dev);
524 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
525 int nr = attr->index;
526 long val = simple_strtol(buf, NULL, 10);
528 mutex_lock(&data->update_lock);
529 data->in_low[nr] = in_to_reg(val);
530 f71805f_write8(data, F71805F_REG_IN_LOW(nr), data->in_low[nr]);
531 mutex_unlock(&data->update_lock);
536 static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
539 struct f71805f_data *data = f71805f_update_device(dev);
540 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
541 int nr = attr->index;
543 return sprintf(buf, "%ld\n", fan_from_reg(data->fan[nr]));
546 static ssize_t show_fan_min(struct device *dev, struct device_attribute
549 struct f71805f_data *data = f71805f_update_device(dev);
550 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
551 int nr = attr->index;
553 return sprintf(buf, "%ld\n", fan_from_reg(data->fan_low[nr]));
556 static ssize_t show_fan_target(struct device *dev, struct device_attribute
559 struct f71805f_data *data = f71805f_update_device(dev);
560 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
561 int nr = attr->index;
563 return sprintf(buf, "%ld\n", fan_from_reg(data->fan_target[nr]));
566 static ssize_t set_fan_min(struct device *dev, struct device_attribute
567 *devattr, const char *buf, size_t count)
569 struct f71805f_data *data = dev_get_drvdata(dev);
570 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
571 int nr = attr->index;
572 long val = simple_strtol(buf, NULL, 10);
574 mutex_lock(&data->update_lock);
575 data->fan_low[nr] = fan_to_reg(val);
576 f71805f_write16(data, F71805F_REG_FAN_LOW(nr), data->fan_low[nr]);
577 mutex_unlock(&data->update_lock);
582 static ssize_t set_fan_target(struct device *dev, struct device_attribute
583 *devattr, const char *buf, size_t count)
585 struct f71805f_data *data = dev_get_drvdata(dev);
586 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
587 int nr = attr->index;
588 long val = simple_strtol(buf, NULL, 10);
590 mutex_lock(&data->update_lock);
591 data->fan_target[nr] = fan_to_reg(val);
592 f71805f_write16(data, F71805F_REG_FAN_TARGET(nr),
593 data->fan_target[nr]);
594 mutex_unlock(&data->update_lock);
599 static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr,
602 struct f71805f_data *data = f71805f_update_device(dev);
603 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
604 int nr = attr->index;
606 return sprintf(buf, "%d\n", (int)data->pwm[nr]);
609 static ssize_t show_pwm_enable(struct device *dev, struct device_attribute
612 struct f71805f_data *data = f71805f_update_device(dev);
613 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
614 int nr = attr->index;
617 switch (data->fan_ctrl[nr] & FAN_CTRL_MODE_MASK) {
618 case FAN_CTRL_MODE_SPEED:
621 case FAN_CTRL_MODE_TEMPERATURE:
624 default: /* MANUAL */
628 return sprintf(buf, "%d\n", mode);
631 static ssize_t show_pwm_freq(struct device *dev, struct device_attribute
634 struct f71805f_data *data = f71805f_update_device(dev);
635 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
636 int nr = attr->index;
638 return sprintf(buf, "%lu\n", pwm_freq_from_reg(data->pwm_freq[nr]));
641 static ssize_t show_pwm_mode(struct device *dev, struct device_attribute
644 struct f71805f_data *data = f71805f_update_device(dev);
645 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
646 int nr = attr->index;
648 return sprintf(buf, "%d\n", pwm_mode_from_reg(data->fan_ctrl[nr]));
651 static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr,
652 const char *buf, size_t count)
654 struct f71805f_data *data = dev_get_drvdata(dev);
655 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
656 int nr = attr->index;
657 unsigned long val = simple_strtoul(buf, NULL, 10);
662 mutex_lock(&data->update_lock);
664 f71805f_write8(data, F71805F_REG_PWM_DUTY(nr), data->pwm[nr]);
665 mutex_unlock(&data->update_lock);
670 static struct attribute *f71805f_attr_pwm[];
672 static ssize_t set_pwm_enable(struct device *dev, struct device_attribute
673 *devattr, const char *buf, size_t count)
675 struct f71805f_data *data = dev_get_drvdata(dev);
676 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
677 int nr = attr->index;
678 unsigned long val = simple_strtoul(buf, NULL, 10);
681 if (val < 1 || val > 3)
684 if (val > 1) { /* Automatic mode, user can't set PWM value */
685 if (sysfs_chmod_file(&dev->kobj, f71805f_attr_pwm[nr],
687 dev_dbg(dev, "chmod -w pwm%d failed\n", nr + 1);
690 mutex_lock(&data->update_lock);
691 reg = f71805f_read8(data, F71805F_REG_FAN_CTRL(nr))
692 & ~FAN_CTRL_MODE_MASK;
695 reg |= FAN_CTRL_MODE_MANUAL;
698 reg |= FAN_CTRL_MODE_TEMPERATURE;
701 reg |= FAN_CTRL_MODE_SPEED;
704 data->fan_ctrl[nr] = reg;
705 f71805f_write8(data, F71805F_REG_FAN_CTRL(nr), reg);
706 mutex_unlock(&data->update_lock);
708 if (val == 1) { /* Manual mode, user can set PWM value */
709 if (sysfs_chmod_file(&dev->kobj, f71805f_attr_pwm[nr],
711 dev_dbg(dev, "chmod +w pwm%d failed\n", nr + 1);
717 static ssize_t set_pwm_freq(struct device *dev, struct device_attribute
718 *devattr, const char *buf, size_t count)
720 struct f71805f_data *data = dev_get_drvdata(dev);
721 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
722 int nr = attr->index;
723 unsigned long val = simple_strtoul(buf, NULL, 10);
725 mutex_lock(&data->update_lock);
726 data->pwm_freq[nr] = pwm_freq_to_reg(val);
727 f71805f_write8(data, F71805F_REG_PWM_FREQ(nr), data->pwm_freq[nr]);
728 mutex_unlock(&data->update_lock);
733 static ssize_t show_pwm_auto_point_temp(struct device *dev,
734 struct device_attribute *devattr,
737 struct f71805f_data *data = dev_get_drvdata(dev);
738 struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
739 int pwmnr = attr->nr;
740 int apnr = attr->index;
742 return sprintf(buf, "%ld\n",
743 temp_from_reg(data->auto_points[pwmnr].temp[apnr]));
746 static ssize_t set_pwm_auto_point_temp(struct device *dev,
747 struct device_attribute *devattr,
748 const char* buf, size_t count)
750 struct f71805f_data *data = dev_get_drvdata(dev);
751 struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
752 int pwmnr = attr->nr;
753 int apnr = attr->index;
754 unsigned long val = simple_strtol(buf, NULL, 10);
756 mutex_lock(&data->update_lock);
757 data->auto_points[pwmnr].temp[apnr] = temp_to_reg(val);
758 f71805f_write8(data, F71805F_REG_PWM_AUTO_POINT_TEMP(pwmnr, apnr),
759 data->auto_points[pwmnr].temp[apnr]);
760 mutex_unlock(&data->update_lock);
765 static ssize_t show_pwm_auto_point_fan(struct device *dev,
766 struct device_attribute *devattr,
769 struct f71805f_data *data = dev_get_drvdata(dev);
770 struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
771 int pwmnr = attr->nr;
772 int apnr = attr->index;
774 return sprintf(buf, "%ld\n",
775 fan_from_reg(data->auto_points[pwmnr].fan[apnr]));
778 static ssize_t set_pwm_auto_point_fan(struct device *dev,
779 struct device_attribute *devattr,
780 const char* buf, size_t count)
782 struct f71805f_data *data = dev_get_drvdata(dev);
783 struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr);
784 int pwmnr = attr->nr;
785 int apnr = attr->index;
786 unsigned long val = simple_strtoul(buf, NULL, 10);
788 mutex_lock(&data->update_lock);
789 data->auto_points[pwmnr].fan[apnr] = fan_to_reg(val);
790 f71805f_write16(data, F71805F_REG_PWM_AUTO_POINT_FAN(pwmnr, apnr),
791 data->auto_points[pwmnr].fan[apnr]);
792 mutex_unlock(&data->update_lock);
797 static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,
800 struct f71805f_data *data = f71805f_update_device(dev);
801 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
802 int nr = attr->index;
804 return sprintf(buf, "%ld\n", temp_from_reg(data->temp[nr]));
807 static ssize_t show_temp_max(struct device *dev, struct device_attribute
810 struct f71805f_data *data = f71805f_update_device(dev);
811 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
812 int nr = attr->index;
814 return sprintf(buf, "%ld\n", temp_from_reg(data->temp_high[nr]));
817 static ssize_t show_temp_hyst(struct device *dev, struct device_attribute
820 struct f71805f_data *data = f71805f_update_device(dev);
821 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
822 int nr = attr->index;
824 return sprintf(buf, "%ld\n", temp_from_reg(data->temp_hyst[nr]));
827 static ssize_t show_temp_type(struct device *dev, struct device_attribute
830 struct f71805f_data *data = f71805f_update_device(dev);
831 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
832 int nr = attr->index;
834 /* 3 is diode, 4 is thermistor */
835 return sprintf(buf, "%u\n", (data->temp_mode & (1 << nr)) ? 3 : 4);
838 static ssize_t set_temp_max(struct device *dev, struct device_attribute
839 *devattr, const char *buf, size_t count)
841 struct f71805f_data *data = dev_get_drvdata(dev);
842 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
843 int nr = attr->index;
844 long val = simple_strtol(buf, NULL, 10);
846 mutex_lock(&data->update_lock);
847 data->temp_high[nr] = temp_to_reg(val);
848 f71805f_write8(data, F71805F_REG_TEMP_HIGH(nr), data->temp_high[nr]);
849 mutex_unlock(&data->update_lock);
854 static ssize_t set_temp_hyst(struct device *dev, struct device_attribute
855 *devattr, const char *buf, size_t count)
857 struct f71805f_data *data = dev_get_drvdata(dev);
858 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
859 int nr = attr->index;
860 long val = simple_strtol(buf, NULL, 10);
862 mutex_lock(&data->update_lock);
863 data->temp_hyst[nr] = temp_to_reg(val);
864 f71805f_write8(data, F71805F_REG_TEMP_HYST(nr), data->temp_hyst[nr]);
865 mutex_unlock(&data->update_lock);
870 static ssize_t show_alarms_in(struct device *dev, struct device_attribute
873 struct f71805f_data *data = f71805f_update_device(dev);
875 return sprintf(buf, "%lu\n", data->alarms & 0x7ff);
878 static ssize_t show_alarms_fan(struct device *dev, struct device_attribute
881 struct f71805f_data *data = f71805f_update_device(dev);
883 return sprintf(buf, "%lu\n", (data->alarms >> 16) & 0x07);
886 static ssize_t show_alarms_temp(struct device *dev, struct device_attribute
889 struct f71805f_data *data = f71805f_update_device(dev);
891 return sprintf(buf, "%lu\n", (data->alarms >> 11) & 0x07);
894 static ssize_t show_alarm(struct device *dev, struct device_attribute
897 struct f71805f_data *data = f71805f_update_device(dev);
898 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
899 int bitnr = attr->index;
901 return sprintf(buf, "%lu\n", (data->alarms >> bitnr) & 1);
904 static ssize_t show_name(struct device *dev, struct device_attribute
907 struct f71805f_data *data = dev_get_drvdata(dev);
909 return sprintf(buf, "%s\n", data->name);
912 static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_in0, NULL, 0);
913 static SENSOR_DEVICE_ATTR(in0_max, S_IRUGO| S_IWUSR,
914 show_in0_max, set_in0_max, 0);
915 static SENSOR_DEVICE_ATTR(in0_min, S_IRUGO| S_IWUSR,
916 show_in0_min, set_in0_min, 0);
917 static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 1);
918 static SENSOR_DEVICE_ATTR(in1_max, S_IRUGO | S_IWUSR,
919 show_in_max, set_in_max, 1);
920 static SENSOR_DEVICE_ATTR(in1_min, S_IRUGO | S_IWUSR,
921 show_in_min, set_in_min, 1);
922 static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in, NULL, 2);
923 static SENSOR_DEVICE_ATTR(in2_max, S_IRUGO | S_IWUSR,
924 show_in_max, set_in_max, 2);
925 static SENSOR_DEVICE_ATTR(in2_min, S_IRUGO | S_IWUSR,
926 show_in_min, set_in_min, 2);
927 static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in, NULL, 3);
928 static SENSOR_DEVICE_ATTR(in3_max, S_IRUGO | S_IWUSR,
929 show_in_max, set_in_max, 3);
930 static SENSOR_DEVICE_ATTR(in3_min, S_IRUGO | S_IWUSR,
931 show_in_min, set_in_min, 3);
932 static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_in, NULL, 4);
933 static SENSOR_DEVICE_ATTR(in4_max, S_IRUGO | S_IWUSR,
934 show_in_max, set_in_max, 4);
935 static SENSOR_DEVICE_ATTR(in4_min, S_IRUGO | S_IWUSR,
936 show_in_min, set_in_min, 4);
937 static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_in, NULL, 5);
938 static SENSOR_DEVICE_ATTR(in5_max, S_IRUGO | S_IWUSR,
939 show_in_max, set_in_max, 5);
940 static SENSOR_DEVICE_ATTR(in5_min, S_IRUGO | S_IWUSR,
941 show_in_min, set_in_min, 5);
942 static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_in, NULL, 6);
943 static SENSOR_DEVICE_ATTR(in6_max, S_IRUGO | S_IWUSR,
944 show_in_max, set_in_max, 6);
945 static SENSOR_DEVICE_ATTR(in6_min, S_IRUGO | S_IWUSR,
946 show_in_min, set_in_min, 6);
947 static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_in, NULL, 7);
948 static SENSOR_DEVICE_ATTR(in7_max, S_IRUGO | S_IWUSR,
949 show_in_max, set_in_max, 7);
950 static SENSOR_DEVICE_ATTR(in7_min, S_IRUGO | S_IWUSR,
951 show_in_min, set_in_min, 7);
952 static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_in, NULL, 8);
953 static SENSOR_DEVICE_ATTR(in8_max, S_IRUGO | S_IWUSR,
954 show_in_max, set_in_max, 8);
955 static SENSOR_DEVICE_ATTR(in8_min, S_IRUGO | S_IWUSR,
956 show_in_min, set_in_min, 8);
957 static SENSOR_DEVICE_ATTR(in9_input, S_IRUGO, show_in0, NULL, 9);
958 static SENSOR_DEVICE_ATTR(in9_max, S_IRUGO | S_IWUSR,
959 show_in0_max, set_in0_max, 9);
960 static SENSOR_DEVICE_ATTR(in9_min, S_IRUGO | S_IWUSR,
961 show_in0_min, set_in0_min, 9);
962 static SENSOR_DEVICE_ATTR(in10_input, S_IRUGO, show_in0, NULL, 10);
963 static SENSOR_DEVICE_ATTR(in10_max, S_IRUGO | S_IWUSR,
964 show_in0_max, set_in0_max, 10);
965 static SENSOR_DEVICE_ATTR(in10_min, S_IRUGO | S_IWUSR,
966 show_in0_min, set_in0_min, 10);
968 static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0);
969 static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO | S_IWUSR,
970 show_fan_min, set_fan_min, 0);
971 static SENSOR_DEVICE_ATTR(fan1_target, S_IRUGO | S_IWUSR,
972 show_fan_target, set_fan_target, 0);
973 static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1);
974 static SENSOR_DEVICE_ATTR(fan2_min, S_IRUGO | S_IWUSR,
975 show_fan_min, set_fan_min, 1);
976 static SENSOR_DEVICE_ATTR(fan2_target, S_IRUGO | S_IWUSR,
977 show_fan_target, set_fan_target, 1);
978 static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2);
979 static SENSOR_DEVICE_ATTR(fan3_min, S_IRUGO | S_IWUSR,
980 show_fan_min, set_fan_min, 2);
981 static SENSOR_DEVICE_ATTR(fan3_target, S_IRUGO | S_IWUSR,
982 show_fan_target, set_fan_target, 2);
984 static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);
985 static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR,
986 show_temp_max, set_temp_max, 0);
987 static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR,
988 show_temp_hyst, set_temp_hyst, 0);
989 static SENSOR_DEVICE_ATTR(temp1_type, S_IRUGO, show_temp_type, NULL, 0);
990 static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1);
991 static SENSOR_DEVICE_ATTR(temp2_max, S_IRUGO | S_IWUSR,
992 show_temp_max, set_temp_max, 1);
993 static SENSOR_DEVICE_ATTR(temp2_max_hyst, S_IRUGO | S_IWUSR,
994 show_temp_hyst, set_temp_hyst, 1);
995 static SENSOR_DEVICE_ATTR(temp2_type, S_IRUGO, show_temp_type, NULL, 1);
996 static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2);
997 static SENSOR_DEVICE_ATTR(temp3_max, S_IRUGO | S_IWUSR,
998 show_temp_max, set_temp_max, 2);
999 static SENSOR_DEVICE_ATTR(temp3_max_hyst, S_IRUGO | S_IWUSR,
1000 show_temp_hyst, set_temp_hyst, 2);
1001 static SENSOR_DEVICE_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2);
1003 /* pwm (value) files are created read-only, write permission is
1004 then added or removed dynamically as needed */
1005 static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO, show_pwm, set_pwm, 0);
1006 static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR,
1007 show_pwm_enable, set_pwm_enable, 0);
1008 static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO | S_IWUSR,
1009 show_pwm_freq, set_pwm_freq, 0);
1010 static SENSOR_DEVICE_ATTR(pwm1_mode, S_IRUGO, show_pwm_mode, NULL, 0);
1011 static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO, show_pwm, set_pwm, 1);
1012 static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR,
1013 show_pwm_enable, set_pwm_enable, 1);
1014 static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO | S_IWUSR,
1015 show_pwm_freq, set_pwm_freq, 1);
1016 static SENSOR_DEVICE_ATTR(pwm2_mode, S_IRUGO, show_pwm_mode, NULL, 1);
1017 static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO, show_pwm, set_pwm, 2);
1018 static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR,
1019 show_pwm_enable, set_pwm_enable, 2);
1020 static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO | S_IWUSR,
1021 show_pwm_freq, set_pwm_freq, 2);
1022 static SENSOR_DEVICE_ATTR(pwm3_mode, S_IRUGO, show_pwm_mode, NULL, 2);
1024 static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_temp, S_IRUGO | S_IWUSR,
1025 show_pwm_auto_point_temp, set_pwm_auto_point_temp,
1027 static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_fan, S_IRUGO | S_IWUSR,
1028 show_pwm_auto_point_fan, set_pwm_auto_point_fan,
1030 static SENSOR_DEVICE_ATTR_2(pwm1_auto_point2_temp, S_IRUGO | S_IWUSR,
1031 show_pwm_auto_point_temp, set_pwm_auto_point_temp,
1033 static SENSOR_DEVICE_ATTR_2(pwm1_auto_point2_fan, S_IRUGO | S_IWUSR,
1034 show_pwm_auto_point_fan, set_pwm_auto_point_fan,
1036 static SENSOR_DEVICE_ATTR_2(pwm1_auto_point3_temp, S_IRUGO | S_IWUSR,
1037 show_pwm_auto_point_temp, set_pwm_auto_point_temp,
1039 static SENSOR_DEVICE_ATTR_2(pwm1_auto_point3_fan, S_IRUGO | S_IWUSR,
1040 show_pwm_auto_point_fan, set_pwm_auto_point_fan,
1043 static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_temp, S_IRUGO | S_IWUSR,
1044 show_pwm_auto_point_temp, set_pwm_auto_point_temp,
1046 static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_fan, S_IRUGO | S_IWUSR,
1047 show_pwm_auto_point_fan, set_pwm_auto_point_fan,
1049 static SENSOR_DEVICE_ATTR_2(pwm2_auto_point2_temp, S_IRUGO | S_IWUSR,
1050 show_pwm_auto_point_temp, set_pwm_auto_point_temp,
1052 static SENSOR_DEVICE_ATTR_2(pwm2_auto_point2_fan, S_IRUGO | S_IWUSR,
1053 show_pwm_auto_point_fan, set_pwm_auto_point_fan,
1055 static SENSOR_DEVICE_ATTR_2(pwm2_auto_point3_temp, S_IRUGO | S_IWUSR,
1056 show_pwm_auto_point_temp, set_pwm_auto_point_temp,
1058 static SENSOR_DEVICE_ATTR_2(pwm2_auto_point3_fan, S_IRUGO | S_IWUSR,
1059 show_pwm_auto_point_fan, set_pwm_auto_point_fan,
1062 static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_temp, S_IRUGO | S_IWUSR,
1063 show_pwm_auto_point_temp, set_pwm_auto_point_temp,
1065 static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_fan, S_IRUGO | S_IWUSR,
1066 show_pwm_auto_point_fan, set_pwm_auto_point_fan,
1068 static SENSOR_DEVICE_ATTR_2(pwm3_auto_point2_temp, S_IRUGO | S_IWUSR,
1069 show_pwm_auto_point_temp, set_pwm_auto_point_temp,
1071 static SENSOR_DEVICE_ATTR_2(pwm3_auto_point2_fan, S_IRUGO | S_IWUSR,
1072 show_pwm_auto_point_fan, set_pwm_auto_point_fan,
1074 static SENSOR_DEVICE_ATTR_2(pwm3_auto_point3_temp, S_IRUGO | S_IWUSR,
1075 show_pwm_auto_point_temp, set_pwm_auto_point_temp,
1077 static SENSOR_DEVICE_ATTR_2(pwm3_auto_point3_fan, S_IRUGO | S_IWUSR,
1078 show_pwm_auto_point_fan, set_pwm_auto_point_fan,
1081 static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
1082 static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
1083 static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
1084 static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
1085 static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 4);
1086 static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 5);
1087 static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 6);
1088 static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 7);
1089 static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 8);
1090 static SENSOR_DEVICE_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 9);
1091 static SENSOR_DEVICE_ATTR(in10_alarm, S_IRUGO, show_alarm, NULL, 10);
1092 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 11);
1093 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 12);
1094 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13);
1095 static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 16);
1096 static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 17);
1097 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 18);
1098 static DEVICE_ATTR(alarms_in, S_IRUGO, show_alarms_in, NULL);
1099 static DEVICE_ATTR(alarms_fan, S_IRUGO, show_alarms_fan, NULL);
1100 static DEVICE_ATTR(alarms_temp, S_IRUGO, show_alarms_temp, NULL);
1102 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
1104 static struct attribute *f71805f_attributes[] = {
1105 &sensor_dev_attr_in0_input.dev_attr.attr,
1106 &sensor_dev_attr_in0_max.dev_attr.attr,
1107 &sensor_dev_attr_in0_min.dev_attr.attr,
1108 &sensor_dev_attr_in1_input.dev_attr.attr,
1109 &sensor_dev_attr_in1_max.dev_attr.attr,
1110 &sensor_dev_attr_in1_min.dev_attr.attr,
1111 &sensor_dev_attr_in2_input.dev_attr.attr,
1112 &sensor_dev_attr_in2_max.dev_attr.attr,
1113 &sensor_dev_attr_in2_min.dev_attr.attr,
1114 &sensor_dev_attr_in3_input.dev_attr.attr,
1115 &sensor_dev_attr_in3_max.dev_attr.attr,
1116 &sensor_dev_attr_in3_min.dev_attr.attr,
1117 &sensor_dev_attr_in5_input.dev_attr.attr,
1118 &sensor_dev_attr_in5_max.dev_attr.attr,
1119 &sensor_dev_attr_in5_min.dev_attr.attr,
1120 &sensor_dev_attr_in6_input.dev_attr.attr,
1121 &sensor_dev_attr_in6_max.dev_attr.attr,
1122 &sensor_dev_attr_in6_min.dev_attr.attr,
1123 &sensor_dev_attr_in7_input.dev_attr.attr,
1124 &sensor_dev_attr_in7_max.dev_attr.attr,
1125 &sensor_dev_attr_in7_min.dev_attr.attr,
1127 &sensor_dev_attr_fan1_input.dev_attr.attr,
1128 &sensor_dev_attr_fan1_min.dev_attr.attr,
1129 &sensor_dev_attr_fan1_alarm.dev_attr.attr,
1130 &sensor_dev_attr_fan1_target.dev_attr.attr,
1131 &sensor_dev_attr_fan2_input.dev_attr.attr,
1132 &sensor_dev_attr_fan2_min.dev_attr.attr,
1133 &sensor_dev_attr_fan2_alarm.dev_attr.attr,
1134 &sensor_dev_attr_fan2_target.dev_attr.attr,
1135 &sensor_dev_attr_fan3_input.dev_attr.attr,
1136 &sensor_dev_attr_fan3_min.dev_attr.attr,
1137 &sensor_dev_attr_fan3_alarm.dev_attr.attr,
1138 &sensor_dev_attr_fan3_target.dev_attr.attr,
1140 &sensor_dev_attr_pwm1.dev_attr.attr,
1141 &sensor_dev_attr_pwm1_enable.dev_attr.attr,
1142 &sensor_dev_attr_pwm1_mode.dev_attr.attr,
1143 &sensor_dev_attr_pwm2.dev_attr.attr,
1144 &sensor_dev_attr_pwm2_enable.dev_attr.attr,
1145 &sensor_dev_attr_pwm2_mode.dev_attr.attr,
1146 &sensor_dev_attr_pwm3.dev_attr.attr,
1147 &sensor_dev_attr_pwm3_enable.dev_attr.attr,
1148 &sensor_dev_attr_pwm3_mode.dev_attr.attr,
1150 &sensor_dev_attr_temp1_input.dev_attr.attr,
1151 &sensor_dev_attr_temp1_max.dev_attr.attr,
1152 &sensor_dev_attr_temp1_max_hyst.dev_attr.attr,
1153 &sensor_dev_attr_temp1_type.dev_attr.attr,
1154 &sensor_dev_attr_temp2_input.dev_attr.attr,
1155 &sensor_dev_attr_temp2_max.dev_attr.attr,
1156 &sensor_dev_attr_temp2_max_hyst.dev_attr.attr,
1157 &sensor_dev_attr_temp2_type.dev_attr.attr,
1158 &sensor_dev_attr_temp3_input.dev_attr.attr,
1159 &sensor_dev_attr_temp3_max.dev_attr.attr,
1160 &sensor_dev_attr_temp3_max_hyst.dev_attr.attr,
1161 &sensor_dev_attr_temp3_type.dev_attr.attr,
1163 &sensor_dev_attr_pwm1_auto_point1_temp.dev_attr.attr,
1164 &sensor_dev_attr_pwm1_auto_point1_fan.dev_attr.attr,
1165 &sensor_dev_attr_pwm1_auto_point2_temp.dev_attr.attr,
1166 &sensor_dev_attr_pwm1_auto_point2_fan.dev_attr.attr,
1167 &sensor_dev_attr_pwm1_auto_point3_temp.dev_attr.attr,
1168 &sensor_dev_attr_pwm1_auto_point3_fan.dev_attr.attr,
1169 &sensor_dev_attr_pwm2_auto_point1_temp.dev_attr.attr,
1170 &sensor_dev_attr_pwm2_auto_point1_fan.dev_attr.attr,
1171 &sensor_dev_attr_pwm2_auto_point2_temp.dev_attr.attr,
1172 &sensor_dev_attr_pwm2_auto_point2_fan.dev_attr.attr,
1173 &sensor_dev_attr_pwm2_auto_point3_temp.dev_attr.attr,
1174 &sensor_dev_attr_pwm2_auto_point3_fan.dev_attr.attr,
1175 &sensor_dev_attr_pwm3_auto_point1_temp.dev_attr.attr,
1176 &sensor_dev_attr_pwm3_auto_point1_fan.dev_attr.attr,
1177 &sensor_dev_attr_pwm3_auto_point2_temp.dev_attr.attr,
1178 &sensor_dev_attr_pwm3_auto_point2_fan.dev_attr.attr,
1179 &sensor_dev_attr_pwm3_auto_point3_temp.dev_attr.attr,
1180 &sensor_dev_attr_pwm3_auto_point3_fan.dev_attr.attr,
1182 &sensor_dev_attr_in0_alarm.dev_attr.attr,
1183 &sensor_dev_attr_in1_alarm.dev_attr.attr,
1184 &sensor_dev_attr_in2_alarm.dev_attr.attr,
1185 &sensor_dev_attr_in3_alarm.dev_attr.attr,
1186 &sensor_dev_attr_in5_alarm.dev_attr.attr,
1187 &sensor_dev_attr_in6_alarm.dev_attr.attr,
1188 &sensor_dev_attr_in7_alarm.dev_attr.attr,
1189 &dev_attr_alarms_in.attr,
1190 &sensor_dev_attr_temp1_alarm.dev_attr.attr,
1191 &sensor_dev_attr_temp2_alarm.dev_attr.attr,
1192 &sensor_dev_attr_temp3_alarm.dev_attr.attr,
1193 &dev_attr_alarms_temp.attr,
1194 &dev_attr_alarms_fan.attr,
1196 &dev_attr_name.attr,
1200 static const struct attribute_group f71805f_group = {
1201 .attrs = f71805f_attributes,
1204 static struct attribute *f71805f_attributes_optin[4][5] = {
1206 &sensor_dev_attr_in4_input.dev_attr.attr,
1207 &sensor_dev_attr_in4_max.dev_attr.attr,
1208 &sensor_dev_attr_in4_min.dev_attr.attr,
1209 &sensor_dev_attr_in4_alarm.dev_attr.attr,
1212 &sensor_dev_attr_in8_input.dev_attr.attr,
1213 &sensor_dev_attr_in8_max.dev_attr.attr,
1214 &sensor_dev_attr_in8_min.dev_attr.attr,
1215 &sensor_dev_attr_in8_alarm.dev_attr.attr,
1218 &sensor_dev_attr_in9_input.dev_attr.attr,
1219 &sensor_dev_attr_in9_max.dev_attr.attr,
1220 &sensor_dev_attr_in9_min.dev_attr.attr,
1221 &sensor_dev_attr_in9_alarm.dev_attr.attr,
1224 &sensor_dev_attr_in10_input.dev_attr.attr,
1225 &sensor_dev_attr_in10_max.dev_attr.attr,
1226 &sensor_dev_attr_in10_min.dev_attr.attr,
1227 &sensor_dev_attr_in10_alarm.dev_attr.attr,
1232 static const struct attribute_group f71805f_group_optin[4] = {
1233 { .attrs = f71805f_attributes_optin[0] },
1234 { .attrs = f71805f_attributes_optin[1] },
1235 { .attrs = f71805f_attributes_optin[2] },
1236 { .attrs = f71805f_attributes_optin[3] },
1239 /* We don't include pwm_freq files in the arrays above, because they must be
1240 created conditionally (only if pwm_mode is 1 == PWM) */
1241 static struct attribute *f71805f_attributes_pwm_freq[] = {
1242 &sensor_dev_attr_pwm1_freq.dev_attr.attr,
1243 &sensor_dev_attr_pwm2_freq.dev_attr.attr,
1244 &sensor_dev_attr_pwm3_freq.dev_attr.attr,
1248 static const struct attribute_group f71805f_group_pwm_freq = {
1249 .attrs = f71805f_attributes_pwm_freq,
1252 /* We also need an indexed access to pwmN files to toggle writability */
1253 static struct attribute *f71805f_attr_pwm[] = {
1254 &sensor_dev_attr_pwm1.dev_attr.attr,
1255 &sensor_dev_attr_pwm2.dev_attr.attr,
1256 &sensor_dev_attr_pwm3.dev_attr.attr,
1260 * Device registration and initialization
1263 static void __devinit f71805f_init_device(struct f71805f_data *data)
1268 reg = f71805f_read8(data, F71805F_REG_START);
1269 if ((reg & 0x41) != 0x01) {
1270 printk(KERN_DEBUG DRVNAME ": Starting monitoring "
1272 f71805f_write8(data, F71805F_REG_START, (reg | 0x01) & ~0x40);
1275 /* Fan monitoring can be disabled. If it is, we won't be polling
1276 the register values, and won't create the related sysfs files. */
1277 for (i = 0; i < 3; i++) {
1278 data->fan_ctrl[i] = f71805f_read8(data,
1279 F71805F_REG_FAN_CTRL(i));
1280 /* Clear latch full bit, else "speed mode" fan speed control
1282 if (data->fan_ctrl[i] & FAN_CTRL_LATCH_FULL) {
1283 data->fan_ctrl[i] &= ~FAN_CTRL_LATCH_FULL;
1284 f71805f_write8(data, F71805F_REG_FAN_CTRL(i),
1290 static int __devinit f71805f_probe(struct platform_device *pdev)
1292 struct f71805f_sio_data *sio_data = pdev->dev.platform_data;
1293 struct f71805f_data *data;
1294 struct resource *res;
1297 static const char *names[] = {
1302 if (!(data = kzalloc(sizeof(struct f71805f_data), GFP_KERNEL))) {
1304 printk(KERN_ERR DRVNAME ": Out of memory\n");
1308 res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1309 if (!request_region(res->start + ADDR_REG_OFFSET, 2, DRVNAME)) {
1311 dev_err(&pdev->dev, "Failed to request region 0x%lx-0x%lx\n",
1312 (unsigned long)(res->start + ADDR_REG_OFFSET),
1313 (unsigned long)(res->start + ADDR_REG_OFFSET + 1));
1316 data->addr = res->start;
1317 data->name = names[sio_data->kind];
1318 mutex_init(&data->update_lock);
1320 platform_set_drvdata(pdev, data);
1322 /* Some voltage inputs depend on chip model and configuration */
1323 switch (sio_data->kind) {
1325 data->has_in = 0x1ff;
1328 data->has_in = 0x6ef;
1329 if (sio_data->fnsel1 & 0x01)
1330 data->has_in |= (1 << 4); /* in4 */
1331 if (sio_data->fnsel1 & 0x02)
1332 data->has_in |= (1 << 8); /* in8 */
1336 /* Initialize the F71805F chip */
1337 f71805f_init_device(data);
1339 /* Register sysfs interface files */
1340 if ((err = sysfs_create_group(&pdev->dev.kobj, &f71805f_group)))
1341 goto exit_release_region;
1342 if (data->has_in & (1 << 4)) { /* in4 */
1343 if ((err = sysfs_create_group(&pdev->dev.kobj,
1344 &f71805f_group_optin[0])))
1345 goto exit_remove_files;
1347 if (data->has_in & (1 << 8)) { /* in8 */
1348 if ((err = sysfs_create_group(&pdev->dev.kobj,
1349 &f71805f_group_optin[1])))
1350 goto exit_remove_files;
1352 if (data->has_in & (1 << 9)) { /* in9 (F71872F/FG only) */
1353 if ((err = sysfs_create_group(&pdev->dev.kobj,
1354 &f71805f_group_optin[2])))
1355 goto exit_remove_files;
1357 if (data->has_in & (1 << 10)) { /* in9 (F71872F/FG only) */
1358 if ((err = sysfs_create_group(&pdev->dev.kobj,
1359 &f71805f_group_optin[3])))
1360 goto exit_remove_files;
1362 for (i = 0; i < 3; i++) {
1363 /* If control mode is PWM, create pwm_freq file */
1364 if (!(data->fan_ctrl[i] & FAN_CTRL_DC_MODE)) {
1365 if ((err = sysfs_create_file(&pdev->dev.kobj,
1366 f71805f_attributes_pwm_freq[i])))
1367 goto exit_remove_files;
1369 /* If PWM is in manual mode, add write permission */
1370 if (data->fan_ctrl[i] & FAN_CTRL_MODE_MANUAL) {
1371 if ((err = sysfs_chmod_file(&pdev->dev.kobj,
1372 f71805f_attr_pwm[i],
1373 S_IRUGO | S_IWUSR))) {
1374 dev_err(&pdev->dev, "chmod +w pwm%d failed\n",
1376 goto exit_remove_files;
1381 data->class_dev = hwmon_device_register(&pdev->dev);
1382 if (IS_ERR(data->class_dev)) {
1383 err = PTR_ERR(data->class_dev);
1384 dev_err(&pdev->dev, "Class registration failed (%d)\n", err);
1385 goto exit_remove_files;
1391 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group);
1392 for (i = 0; i < 4; i++)
1393 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_optin[i]);
1394 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_pwm_freq);
1395 exit_release_region:
1396 release_region(res->start + ADDR_REG_OFFSET, 2);
1398 platform_set_drvdata(pdev, NULL);
1404 static int __devexit f71805f_remove(struct platform_device *pdev)
1406 struct f71805f_data *data = platform_get_drvdata(pdev);
1407 struct resource *res;
1410 hwmon_device_unregister(data->class_dev);
1411 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group);
1412 for (i = 0; i < 4; i++)
1413 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_optin[i]);
1414 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_pwm_freq);
1415 platform_set_drvdata(pdev, NULL);
1418 res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1419 release_region(res->start + ADDR_REG_OFFSET, 2);
1424 static struct platform_driver f71805f_driver = {
1426 .owner = THIS_MODULE,
1429 .probe = f71805f_probe,
1430 .remove = __devexit_p(f71805f_remove),
1433 static int __init f71805f_device_add(unsigned short address,
1434 const struct f71805f_sio_data *sio_data)
1436 struct resource res = {
1438 .end = address + REGION_LENGTH - 1,
1439 .flags = IORESOURCE_IO,
1443 pdev = platform_device_alloc(DRVNAME, address);
1446 printk(KERN_ERR DRVNAME ": Device allocation failed\n");
1450 res.name = pdev->name;
1451 err = platform_device_add_resources(pdev, &res, 1);
1453 printk(KERN_ERR DRVNAME ": Device resource addition failed "
1455 goto exit_device_put;
1458 err = platform_device_add_data(pdev, sio_data,
1459 sizeof(struct f71805f_sio_data));
1461 printk(KERN_ERR DRVNAME ": Platform data allocation failed\n");
1462 goto exit_device_put;
1465 err = platform_device_add(pdev);
1467 printk(KERN_ERR DRVNAME ": Device addition failed (%d)\n",
1469 goto exit_device_put;
1475 platform_device_put(pdev);
1480 static int __init f71805f_find(int sioaddr, unsigned short *address,
1481 struct f71805f_sio_data *sio_data)
1486 static const char *names[] = {
1491 superio_enter(sioaddr);
1493 devid = superio_inw(sioaddr, SIO_REG_MANID);
1494 if (devid != SIO_FINTEK_ID)
1497 devid = superio_inw(sioaddr, SIO_REG_DEVID);
1499 case SIO_F71805F_ID:
1500 sio_data->kind = f71805f;
1502 case SIO_F71872F_ID:
1503 sio_data->kind = f71872f;
1504 sio_data->fnsel1 = superio_inb(sioaddr, SIO_REG_FNSEL1);
1507 printk(KERN_INFO DRVNAME ": Unsupported Fintek device, "
1512 superio_select(sioaddr, F71805F_LD_HWM);
1513 if (!(superio_inb(sioaddr, SIO_REG_ENABLE) & 0x01)) {
1514 printk(KERN_WARNING DRVNAME ": Device not activated, "
1519 *address = superio_inw(sioaddr, SIO_REG_ADDR);
1520 if (*address == 0) {
1521 printk(KERN_WARNING DRVNAME ": Base address not set, "
1525 *address &= ~(REGION_LENGTH - 1); /* Ignore 3 LSB */
1528 printk(KERN_INFO DRVNAME ": Found %s chip at %#x, revision %u\n",
1529 names[sio_data->kind], *address,
1530 superio_inb(sioaddr, SIO_REG_DEVREV));
1533 superio_exit(sioaddr);
1537 static int __init f71805f_init(void)
1540 unsigned short address;
1541 struct f71805f_sio_data sio_data;
1543 if (f71805f_find(0x2e, &address, &sio_data)
1544 && f71805f_find(0x4e, &address, &sio_data))
1547 err = platform_driver_register(&f71805f_driver);
1551 /* Sets global pdev as a side effect */
1552 err = f71805f_device_add(address, &sio_data);
1559 platform_driver_unregister(&f71805f_driver);
1564 static void __exit f71805f_exit(void)
1566 platform_device_unregister(pdev);
1567 platform_driver_unregister(&f71805f_driver);
1570 MODULE_AUTHOR("Jean Delvare <khali@linux-fr>");
1571 MODULE_LICENSE("GPL");
1572 MODULE_DESCRIPTION("F71805F/F71872F hardware monitoring driver");
1574 module_init(f71805f_init);
1575 module_exit(f71805f_exit);