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 /* temp nr from 0 to 2 (8-bit values) */
116 #define F71805F_REG_TEMP(nr) (0x1B + (nr))
117 #define F71805F_REG_TEMP_HIGH(nr) (0x54 + 2 * (nr))
118 #define F71805F_REG_TEMP_HYST(nr) (0x55 + 2 * (nr))
119 #define F71805F_REG_TEMP_MODE 0x01
121 #define F71805F_REG_START 0x00
122 /* status nr from 0 to 2 */
123 #define F71805F_REG_STATUS(nr) (0x36 + (nr))
126 * Data structures and manipulation thereof
129 struct f71805f_data {
133 struct class_device *class_dev;
135 struct mutex update_lock;
136 char valid; /* !=0 if following fields are valid */
137 unsigned long last_updated; /* In jiffies */
138 unsigned long last_limits; /* In jiffies */
140 /* Register values */
146 u8 fan_enabled; /* Read once at init time */
151 unsigned long alarms;
154 static inline long in_from_reg(u8 reg)
159 /* The 2 least significant bits are not used */
160 static inline u8 in_to_reg(long val)
166 return (((val + 16) / 32) << 2);
169 /* in0 is downscaled by a factor 2 internally */
170 static inline long in0_from_reg(u8 reg)
175 static inline u8 in0_to_reg(long val)
181 return (((val + 32) / 64) << 2);
184 /* The 4 most significant bits are not used */
185 static inline long fan_from_reg(u16 reg)
188 if (!reg || reg == 0xfff)
190 return (1500000 / reg);
193 static inline u16 fan_to_reg(long rpm)
195 /* If the low limit is set below what the chip can measure,
196 store the largest possible 12-bit value in the registers,
197 so that no alarm will ever trigger. */
200 return (1500000 / rpm);
203 static inline long temp_from_reg(u8 reg)
208 static inline u8 temp_to_reg(long val)
212 else if (val > 1000 * 0xff)
214 return ((val + 500) / 1000);
221 static u8 f71805f_read8(struct f71805f_data *data, u8 reg)
225 mutex_lock(&data->lock);
226 outb(reg, data->addr + ADDR_REG_OFFSET);
227 val = inb(data->addr + DATA_REG_OFFSET);
228 mutex_unlock(&data->lock);
233 static void f71805f_write8(struct f71805f_data *data, u8 reg, u8 val)
235 mutex_lock(&data->lock);
236 outb(reg, data->addr + ADDR_REG_OFFSET);
237 outb(val, data->addr + DATA_REG_OFFSET);
238 mutex_unlock(&data->lock);
241 /* It is important to read the MSB first, because doing so latches the
242 value of the LSB, so we are sure both bytes belong to the same value. */
243 static u16 f71805f_read16(struct f71805f_data *data, u8 reg)
247 mutex_lock(&data->lock);
248 outb(reg, data->addr + ADDR_REG_OFFSET);
249 val = inb(data->addr + DATA_REG_OFFSET) << 8;
250 outb(++reg, data->addr + ADDR_REG_OFFSET);
251 val |= inb(data->addr + DATA_REG_OFFSET);
252 mutex_unlock(&data->lock);
257 static void f71805f_write16(struct f71805f_data *data, u8 reg, u16 val)
259 mutex_lock(&data->lock);
260 outb(reg, data->addr + ADDR_REG_OFFSET);
261 outb(val >> 8, data->addr + DATA_REG_OFFSET);
262 outb(++reg, data->addr + ADDR_REG_OFFSET);
263 outb(val & 0xff, data->addr + DATA_REG_OFFSET);
264 mutex_unlock(&data->lock);
267 static struct f71805f_data *f71805f_update_device(struct device *dev)
269 struct f71805f_data *data = dev_get_drvdata(dev);
272 mutex_lock(&data->update_lock);
274 /* Limit registers cache is refreshed after 60 seconds */
275 if (time_after(jiffies, data->last_updated + 60 * HZ)
277 for (nr = 0; nr < 9; nr++) {
278 data->in_high[nr] = f71805f_read8(data,
279 F71805F_REG_IN_HIGH(nr));
280 data->in_low[nr] = f71805f_read8(data,
281 F71805F_REG_IN_LOW(nr));
283 for (nr = 0; nr < 3; nr++) {
284 if (data->fan_enabled & (1 << nr))
285 data->fan_low[nr] = f71805f_read16(data,
286 F71805F_REG_FAN_LOW(nr));
288 for (nr = 0; nr < 3; nr++) {
289 data->temp_high[nr] = f71805f_read8(data,
290 F71805F_REG_TEMP_HIGH(nr));
291 data->temp_hyst[nr] = f71805f_read8(data,
292 F71805F_REG_TEMP_HYST(nr));
294 data->temp_mode = f71805f_read8(data, F71805F_REG_TEMP_MODE);
296 data->last_limits = jiffies;
299 /* Measurement registers cache is refreshed after 1 second */
300 if (time_after(jiffies, data->last_updated + HZ)
302 for (nr = 0; nr < 9; nr++) {
303 data->in[nr] = f71805f_read8(data,
306 for (nr = 0; nr < 3; nr++) {
307 if (data->fan_enabled & (1 << nr))
308 data->fan[nr] = f71805f_read16(data,
309 F71805F_REG_FAN(nr));
311 for (nr = 0; nr < 3; nr++) {
312 data->temp[nr] = f71805f_read8(data,
313 F71805F_REG_TEMP(nr));
315 data->alarms = f71805f_read8(data, F71805F_REG_STATUS(0))
316 + (f71805f_read8(data, F71805F_REG_STATUS(1)) << 8)
317 + (f71805f_read8(data, F71805F_REG_STATUS(2)) << 16);
319 data->last_updated = jiffies;
323 mutex_unlock(&data->update_lock);
332 static ssize_t show_in0(struct device *dev, struct device_attribute *devattr,
335 struct f71805f_data *data = f71805f_update_device(dev);
337 return sprintf(buf, "%ld\n", in0_from_reg(data->in[0]));
340 static ssize_t show_in0_max(struct device *dev, struct device_attribute
343 struct f71805f_data *data = f71805f_update_device(dev);
345 return sprintf(buf, "%ld\n", in0_from_reg(data->in_high[0]));
348 static ssize_t show_in0_min(struct device *dev, struct device_attribute
351 struct f71805f_data *data = f71805f_update_device(dev);
353 return sprintf(buf, "%ld\n", in0_from_reg(data->in_low[0]));
356 static ssize_t set_in0_max(struct device *dev, struct device_attribute
357 *devattr, const char *buf, size_t count)
359 struct f71805f_data *data = dev_get_drvdata(dev);
360 long val = simple_strtol(buf, NULL, 10);
362 mutex_lock(&data->update_lock);
363 data->in_high[0] = in0_to_reg(val);
364 f71805f_write8(data, F71805F_REG_IN_HIGH(0), data->in_high[0]);
365 mutex_unlock(&data->update_lock);
370 static ssize_t set_in0_min(struct device *dev, struct device_attribute
371 *devattr, const char *buf, size_t count)
373 struct f71805f_data *data = dev_get_drvdata(dev);
374 long val = simple_strtol(buf, NULL, 10);
376 mutex_lock(&data->update_lock);
377 data->in_low[0] = in0_to_reg(val);
378 f71805f_write8(data, F71805F_REG_IN_LOW(0), data->in_low[0]);
379 mutex_unlock(&data->update_lock);
384 static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
387 struct f71805f_data *data = f71805f_update_device(dev);
388 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
389 int nr = attr->index;
391 return sprintf(buf, "%ld\n", in_from_reg(data->in[nr]));
394 static ssize_t show_in_max(struct device *dev, struct device_attribute
397 struct f71805f_data *data = f71805f_update_device(dev);
398 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
399 int nr = attr->index;
401 return sprintf(buf, "%ld\n", in_from_reg(data->in_high[nr]));
404 static ssize_t show_in_min(struct device *dev, struct device_attribute
407 struct f71805f_data *data = f71805f_update_device(dev);
408 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
409 int nr = attr->index;
411 return sprintf(buf, "%ld\n", in_from_reg(data->in_low[nr]));
414 static ssize_t set_in_max(struct device *dev, struct device_attribute
415 *devattr, const char *buf, size_t count)
417 struct f71805f_data *data = dev_get_drvdata(dev);
418 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
419 int nr = attr->index;
420 long val = simple_strtol(buf, NULL, 10);
422 mutex_lock(&data->update_lock);
423 data->in_high[nr] = in_to_reg(val);
424 f71805f_write8(data, F71805F_REG_IN_HIGH(nr), data->in_high[nr]);
425 mutex_unlock(&data->update_lock);
430 static ssize_t set_in_min(struct device *dev, struct device_attribute
431 *devattr, const char *buf, size_t count)
433 struct f71805f_data *data = dev_get_drvdata(dev);
434 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
435 int nr = attr->index;
436 long val = simple_strtol(buf, NULL, 10);
438 mutex_lock(&data->update_lock);
439 data->in_low[nr] = in_to_reg(val);
440 f71805f_write8(data, F71805F_REG_IN_LOW(nr), data->in_low[nr]);
441 mutex_unlock(&data->update_lock);
446 static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
449 struct f71805f_data *data = f71805f_update_device(dev);
450 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
451 int nr = attr->index;
453 return sprintf(buf, "%ld\n", fan_from_reg(data->fan[nr]));
456 static ssize_t show_fan_min(struct device *dev, struct device_attribute
459 struct f71805f_data *data = f71805f_update_device(dev);
460 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
461 int nr = attr->index;
463 return sprintf(buf, "%ld\n", fan_from_reg(data->fan_low[nr]));
466 static ssize_t set_fan_min(struct device *dev, struct device_attribute
467 *devattr, const char *buf, size_t count)
469 struct f71805f_data *data = dev_get_drvdata(dev);
470 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
471 int nr = attr->index;
472 long val = simple_strtol(buf, NULL, 10);
474 mutex_lock(&data->update_lock);
475 data->fan_low[nr] = fan_to_reg(val);
476 f71805f_write16(data, F71805F_REG_FAN_LOW(nr), data->fan_low[nr]);
477 mutex_unlock(&data->update_lock);
482 static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,
485 struct f71805f_data *data = f71805f_update_device(dev);
486 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
487 int nr = attr->index;
489 return sprintf(buf, "%ld\n", temp_from_reg(data->temp[nr]));
492 static ssize_t show_temp_max(struct device *dev, struct device_attribute
495 struct f71805f_data *data = f71805f_update_device(dev);
496 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
497 int nr = attr->index;
499 return sprintf(buf, "%ld\n", temp_from_reg(data->temp_high[nr]));
502 static ssize_t show_temp_hyst(struct device *dev, struct device_attribute
505 struct f71805f_data *data = f71805f_update_device(dev);
506 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
507 int nr = attr->index;
509 return sprintf(buf, "%ld\n", temp_from_reg(data->temp_hyst[nr]));
512 static ssize_t show_temp_type(struct device *dev, struct device_attribute
515 struct f71805f_data *data = f71805f_update_device(dev);
516 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
517 int nr = attr->index;
519 /* 3 is diode, 4 is thermistor */
520 return sprintf(buf, "%u\n", (data->temp_mode & (1 << nr)) ? 3 : 4);
523 static ssize_t set_temp_max(struct device *dev, struct device_attribute
524 *devattr, const char *buf, size_t count)
526 struct f71805f_data *data = dev_get_drvdata(dev);
527 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
528 int nr = attr->index;
529 long val = simple_strtol(buf, NULL, 10);
531 mutex_lock(&data->update_lock);
532 data->temp_high[nr] = temp_to_reg(val);
533 f71805f_write8(data, F71805F_REG_TEMP_HIGH(nr), data->temp_high[nr]);
534 mutex_unlock(&data->update_lock);
539 static ssize_t set_temp_hyst(struct device *dev, struct device_attribute
540 *devattr, const char *buf, size_t count)
542 struct f71805f_data *data = dev_get_drvdata(dev);
543 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
544 int nr = attr->index;
545 long val = simple_strtol(buf, NULL, 10);
547 mutex_lock(&data->update_lock);
548 data->temp_hyst[nr] = temp_to_reg(val);
549 f71805f_write8(data, F71805F_REG_TEMP_HYST(nr), data->temp_hyst[nr]);
550 mutex_unlock(&data->update_lock);
555 static ssize_t show_alarms_in(struct device *dev, struct device_attribute
558 struct f71805f_data *data = f71805f_update_device(dev);
560 return sprintf(buf, "%lu\n", data->alarms & 0x1ff);
563 static ssize_t show_alarms_fan(struct device *dev, struct device_attribute
566 struct f71805f_data *data = f71805f_update_device(dev);
568 return sprintf(buf, "%lu\n", (data->alarms >> 16) & 0x07);
571 static ssize_t show_alarms_temp(struct device *dev, struct device_attribute
574 struct f71805f_data *data = f71805f_update_device(dev);
576 return sprintf(buf, "%lu\n", (data->alarms >> 11) & 0x07);
579 static ssize_t show_alarm(struct device *dev, struct device_attribute
582 struct f71805f_data *data = f71805f_update_device(dev);
583 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
584 int bitnr = attr->index;
586 return sprintf(buf, "%lu\n", (data->alarms >> bitnr) & 1);
589 static ssize_t show_name(struct device *dev, struct device_attribute
592 struct f71805f_data *data = dev_get_drvdata(dev);
594 return sprintf(buf, "%s\n", data->name);
597 static DEVICE_ATTR(in0_input, S_IRUGO, show_in0, NULL);
598 static DEVICE_ATTR(in0_max, S_IRUGO| S_IWUSR, show_in0_max, set_in0_max);
599 static DEVICE_ATTR(in0_min, S_IRUGO| S_IWUSR, show_in0_min, set_in0_min);
600 static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 1);
601 static SENSOR_DEVICE_ATTR(in1_max, S_IRUGO | S_IWUSR,
602 show_in_max, set_in_max, 1);
603 static SENSOR_DEVICE_ATTR(in1_min, S_IRUGO | S_IWUSR,
604 show_in_min, set_in_min, 1);
605 static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in, NULL, 2);
606 static SENSOR_DEVICE_ATTR(in2_max, S_IRUGO | S_IWUSR,
607 show_in_max, set_in_max, 2);
608 static SENSOR_DEVICE_ATTR(in2_min, S_IRUGO | S_IWUSR,
609 show_in_min, set_in_min, 2);
610 static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in, NULL, 3);
611 static SENSOR_DEVICE_ATTR(in3_max, S_IRUGO | S_IWUSR,
612 show_in_max, set_in_max, 3);
613 static SENSOR_DEVICE_ATTR(in3_min, S_IRUGO | S_IWUSR,
614 show_in_min, set_in_min, 3);
615 static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_in, NULL, 4);
616 static SENSOR_DEVICE_ATTR(in4_max, S_IRUGO | S_IWUSR,
617 show_in_max, set_in_max, 4);
618 static SENSOR_DEVICE_ATTR(in4_min, S_IRUGO | S_IWUSR,
619 show_in_min, set_in_min, 4);
620 static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_in, NULL, 5);
621 static SENSOR_DEVICE_ATTR(in5_max, S_IRUGO | S_IWUSR,
622 show_in_max, set_in_max, 5);
623 static SENSOR_DEVICE_ATTR(in5_min, S_IRUGO | S_IWUSR,
624 show_in_min, set_in_min, 5);
625 static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_in, NULL, 6);
626 static SENSOR_DEVICE_ATTR(in6_max, S_IRUGO | S_IWUSR,
627 show_in_max, set_in_max, 6);
628 static SENSOR_DEVICE_ATTR(in6_min, S_IRUGO | S_IWUSR,
629 show_in_min, set_in_min, 6);
630 static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_in, NULL, 7);
631 static SENSOR_DEVICE_ATTR(in7_max, S_IRUGO | S_IWUSR,
632 show_in_max, set_in_max, 7);
633 static SENSOR_DEVICE_ATTR(in7_min, S_IRUGO | S_IWUSR,
634 show_in_min, set_in_min, 7);
635 static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_in, NULL, 8);
636 static SENSOR_DEVICE_ATTR(in8_max, S_IRUGO | S_IWUSR,
637 show_in_max, set_in_max, 8);
638 static SENSOR_DEVICE_ATTR(in8_min, S_IRUGO | S_IWUSR,
639 show_in_min, set_in_min, 8);
641 static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0);
642 static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO | S_IWUSR,
643 show_fan_min, set_fan_min, 0);
644 static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1);
645 static SENSOR_DEVICE_ATTR(fan2_min, S_IRUGO | S_IWUSR,
646 show_fan_min, set_fan_min, 1);
647 static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2);
648 static SENSOR_DEVICE_ATTR(fan3_min, S_IRUGO | S_IWUSR,
649 show_fan_min, set_fan_min, 2);
651 static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);
652 static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR,
653 show_temp_max, set_temp_max, 0);
654 static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR,
655 show_temp_hyst, set_temp_hyst, 0);
656 static SENSOR_DEVICE_ATTR(temp1_type, S_IRUGO, show_temp_type, NULL, 0);
657 static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1);
658 static SENSOR_DEVICE_ATTR(temp2_max, S_IRUGO | S_IWUSR,
659 show_temp_max, set_temp_max, 1);
660 static SENSOR_DEVICE_ATTR(temp2_max_hyst, S_IRUGO | S_IWUSR,
661 show_temp_hyst, set_temp_hyst, 1);
662 static SENSOR_DEVICE_ATTR(temp2_type, S_IRUGO, show_temp_type, NULL, 1);
663 static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2);
664 static SENSOR_DEVICE_ATTR(temp3_max, S_IRUGO | S_IWUSR,
665 show_temp_max, set_temp_max, 2);
666 static SENSOR_DEVICE_ATTR(temp3_max_hyst, S_IRUGO | S_IWUSR,
667 show_temp_hyst, set_temp_hyst, 2);
668 static SENSOR_DEVICE_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2);
670 static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
671 static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
672 static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
673 static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
674 static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 4);
675 static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 5);
676 static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 6);
677 static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 7);
678 static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 8);
679 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 11);
680 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 12);
681 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13);
682 static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 16);
683 static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 17);
684 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 18);
685 static DEVICE_ATTR(alarms_in, S_IRUGO, show_alarms_in, NULL);
686 static DEVICE_ATTR(alarms_fan, S_IRUGO, show_alarms_fan, NULL);
687 static DEVICE_ATTR(alarms_temp, S_IRUGO, show_alarms_temp, NULL);
689 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
691 static struct attribute *f71805f_attributes[] = {
692 &dev_attr_in0_input.attr,
693 &dev_attr_in0_max.attr,
694 &dev_attr_in0_min.attr,
695 &sensor_dev_attr_in1_input.dev_attr.attr,
696 &sensor_dev_attr_in1_max.dev_attr.attr,
697 &sensor_dev_attr_in1_min.dev_attr.attr,
698 &sensor_dev_attr_in2_input.dev_attr.attr,
699 &sensor_dev_attr_in2_max.dev_attr.attr,
700 &sensor_dev_attr_in2_min.dev_attr.attr,
701 &sensor_dev_attr_in3_input.dev_attr.attr,
702 &sensor_dev_attr_in3_max.dev_attr.attr,
703 &sensor_dev_attr_in3_min.dev_attr.attr,
704 &sensor_dev_attr_in4_input.dev_attr.attr,
705 &sensor_dev_attr_in4_max.dev_attr.attr,
706 &sensor_dev_attr_in4_min.dev_attr.attr,
707 &sensor_dev_attr_in5_input.dev_attr.attr,
708 &sensor_dev_attr_in5_max.dev_attr.attr,
709 &sensor_dev_attr_in5_min.dev_attr.attr,
710 &sensor_dev_attr_in6_input.dev_attr.attr,
711 &sensor_dev_attr_in6_max.dev_attr.attr,
712 &sensor_dev_attr_in6_min.dev_attr.attr,
713 &sensor_dev_attr_in7_input.dev_attr.attr,
714 &sensor_dev_attr_in7_max.dev_attr.attr,
715 &sensor_dev_attr_in7_min.dev_attr.attr,
716 &sensor_dev_attr_in8_input.dev_attr.attr,
717 &sensor_dev_attr_in8_max.dev_attr.attr,
718 &sensor_dev_attr_in8_min.dev_attr.attr,
720 &sensor_dev_attr_temp1_input.dev_attr.attr,
721 &sensor_dev_attr_temp1_max.dev_attr.attr,
722 &sensor_dev_attr_temp1_max_hyst.dev_attr.attr,
723 &sensor_dev_attr_temp1_type.dev_attr.attr,
724 &sensor_dev_attr_temp2_input.dev_attr.attr,
725 &sensor_dev_attr_temp2_max.dev_attr.attr,
726 &sensor_dev_attr_temp2_max_hyst.dev_attr.attr,
727 &sensor_dev_attr_temp2_type.dev_attr.attr,
728 &sensor_dev_attr_temp3_input.dev_attr.attr,
729 &sensor_dev_attr_temp3_max.dev_attr.attr,
730 &sensor_dev_attr_temp3_max_hyst.dev_attr.attr,
731 &sensor_dev_attr_temp3_type.dev_attr.attr,
733 &sensor_dev_attr_in0_alarm.dev_attr.attr,
734 &sensor_dev_attr_in1_alarm.dev_attr.attr,
735 &sensor_dev_attr_in2_alarm.dev_attr.attr,
736 &sensor_dev_attr_in3_alarm.dev_attr.attr,
737 &sensor_dev_attr_in4_alarm.dev_attr.attr,
738 &sensor_dev_attr_in5_alarm.dev_attr.attr,
739 &sensor_dev_attr_in6_alarm.dev_attr.attr,
740 &sensor_dev_attr_in7_alarm.dev_attr.attr,
741 &sensor_dev_attr_in8_alarm.dev_attr.attr,
742 &dev_attr_alarms_in.attr,
743 &sensor_dev_attr_temp1_alarm.dev_attr.attr,
744 &sensor_dev_attr_temp2_alarm.dev_attr.attr,
745 &sensor_dev_attr_temp3_alarm.dev_attr.attr,
746 &dev_attr_alarms_temp.attr,
747 &dev_attr_alarms_fan.attr,
753 static const struct attribute_group f71805f_group = {
754 .attrs = f71805f_attributes,
757 static struct attribute *f71805f_attributes_fan[3][4] = {
759 &sensor_dev_attr_fan1_input.dev_attr.attr,
760 &sensor_dev_attr_fan1_min.dev_attr.attr,
761 &sensor_dev_attr_fan1_alarm.dev_attr.attr,
764 &sensor_dev_attr_fan2_input.dev_attr.attr,
765 &sensor_dev_attr_fan2_min.dev_attr.attr,
766 &sensor_dev_attr_fan2_alarm.dev_attr.attr,
769 &sensor_dev_attr_fan3_input.dev_attr.attr,
770 &sensor_dev_attr_fan3_min.dev_attr.attr,
771 &sensor_dev_attr_fan3_alarm.dev_attr.attr,
776 static const struct attribute_group f71805f_group_fan[3] = {
777 { .attrs = f71805f_attributes_fan[0] },
778 { .attrs = f71805f_attributes_fan[1] },
779 { .attrs = f71805f_attributes_fan[2] },
783 * Device registration and initialization
786 static void __devinit f71805f_init_device(struct f71805f_data *data)
791 reg = f71805f_read8(data, F71805F_REG_START);
792 if ((reg & 0x41) != 0x01) {
793 printk(KERN_DEBUG DRVNAME ": Starting monitoring "
795 f71805f_write8(data, F71805F_REG_START, (reg | 0x01) & ~0x40);
798 /* Fan monitoring can be disabled. If it is, we won't be polling
799 the register values, and won't create the related sysfs files. */
800 for (i = 0; i < 3; i++) {
801 reg = f71805f_read8(data, F71805F_REG_FAN_CTRL(i));
803 data->fan_enabled |= (1 << i);
807 static int __devinit f71805f_probe(struct platform_device *pdev)
809 struct f71805f_data *data;
810 struct resource *res;
813 if (!(data = kzalloc(sizeof(struct f71805f_data), GFP_KERNEL))) {
815 printk(KERN_ERR DRVNAME ": Out of memory\n");
819 res = platform_get_resource(pdev, IORESOURCE_IO, 0);
820 data->addr = res->start;
821 mutex_init(&data->lock);
822 data->name = "f71805f";
823 mutex_init(&data->update_lock);
825 platform_set_drvdata(pdev, data);
827 /* Initialize the F71805F chip */
828 f71805f_init_device(data);
830 /* Register sysfs interface files */
831 if ((err = sysfs_create_group(&pdev->dev.kobj, &f71805f_group)))
833 for (i = 0; i < 3; i++) {
834 if (!(data->fan_enabled & (1 << i)))
836 if ((err = sysfs_create_group(&pdev->dev.kobj,
837 &f71805f_group_fan[i])))
838 goto exit_remove_files;
841 data->class_dev = hwmon_device_register(&pdev->dev);
842 if (IS_ERR(data->class_dev)) {
843 err = PTR_ERR(data->class_dev);
844 dev_err(&pdev->dev, "Class registration failed (%d)\n", err);
845 goto exit_remove_files;
851 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group);
852 for (i = 0; i < 3; i++)
853 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_fan[i]);
855 platform_set_drvdata(pdev, NULL);
861 static int __devexit f71805f_remove(struct platform_device *pdev)
863 struct f71805f_data *data = platform_get_drvdata(pdev);
866 platform_set_drvdata(pdev, NULL);
867 hwmon_device_unregister(data->class_dev);
868 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group);
869 for (i = 0; i < 3; i++)
870 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_fan[i]);
876 static struct platform_driver f71805f_driver = {
878 .owner = THIS_MODULE,
881 .probe = f71805f_probe,
882 .remove = __devexit_p(f71805f_remove),
885 static int __init f71805f_device_add(unsigned short address)
887 struct resource res = {
889 .end = address + REGION_LENGTH - 1,
890 .flags = IORESOURCE_IO,
894 pdev = platform_device_alloc(DRVNAME, address);
897 printk(KERN_ERR DRVNAME ": Device allocation failed\n");
901 res.name = pdev->name;
902 err = platform_device_add_resources(pdev, &res, 1);
904 printk(KERN_ERR DRVNAME ": Device resource addition failed "
906 goto exit_device_put;
909 err = platform_device_add(pdev);
911 printk(KERN_ERR DRVNAME ": Device addition failed (%d)\n",
913 goto exit_device_put;
919 platform_device_put(pdev);
924 static int __init f71805f_find(int sioaddr, unsigned short *address)
929 superio_enter(sioaddr);
931 devid = superio_inw(sioaddr, SIO_REG_MANID);
932 if (devid != SIO_FINTEK_ID)
935 devid = superio_inw(sioaddr, SIO_REG_DEVID);
936 if (devid != SIO_F71805F_ID) {
937 printk(KERN_INFO DRVNAME ": Unsupported Fintek device, "
942 superio_select(sioaddr, F71805F_LD_HWM);
943 if (!(superio_inb(sioaddr, SIO_REG_ENABLE) & 0x01)) {
944 printk(KERN_WARNING DRVNAME ": Device not activated, "
949 *address = superio_inw(sioaddr, SIO_REG_ADDR);
951 printk(KERN_WARNING DRVNAME ": Base address not set, "
957 printk(KERN_INFO DRVNAME ": Found F71805F chip at %#x, revision %u\n",
958 *address, superio_inb(sioaddr, SIO_REG_DEVREV));
961 superio_exit(sioaddr);
965 static int __init f71805f_init(void)
968 unsigned short address;
970 if (f71805f_find(0x2e, &address)
971 && f71805f_find(0x4e, &address))
974 err = platform_driver_register(&f71805f_driver);
978 /* Sets global pdev as a side effect */
979 err = f71805f_device_add(address);
986 platform_driver_unregister(&f71805f_driver);
991 static void __exit f71805f_exit(void)
993 platform_device_unregister(pdev);
994 platform_driver_unregister(&f71805f_driver);
997 MODULE_AUTHOR("Jean Delvare <khali@linux-fr>");
998 MODULE_LICENSE("GPL");
999 MODULE_DESCRIPTION("F71805F hardware monitoring driver");
1001 module_init(f71805f_init);
1002 module_exit(f71805f_exit);