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))
125 /* individual register bits */
126 #define FAN_CTRL_SKIP 0x80
129 * Data structures and manipulation thereof
132 struct f71805f_data {
136 struct class_device *class_dev;
138 struct mutex update_lock;
139 char valid; /* !=0 if following fields are valid */
140 unsigned long last_updated; /* In jiffies */
141 unsigned long last_limits; /* In jiffies */
143 /* Register values */
154 unsigned long alarms;
157 static inline long in_from_reg(u8 reg)
162 /* The 2 least significant bits are not used */
163 static inline u8 in_to_reg(long val)
169 return (((val + 16) / 32) << 2);
172 /* in0 is downscaled by a factor 2 internally */
173 static inline long in0_from_reg(u8 reg)
178 static inline u8 in0_to_reg(long val)
184 return (((val + 32) / 64) << 2);
187 /* The 4 most significant bits are not used */
188 static inline long fan_from_reg(u16 reg)
191 if (!reg || reg == 0xfff)
193 return (1500000 / reg);
196 static inline u16 fan_to_reg(long rpm)
198 /* If the low limit is set below what the chip can measure,
199 store the largest possible 12-bit value in the registers,
200 so that no alarm will ever trigger. */
203 return (1500000 / rpm);
206 static inline long temp_from_reg(u8 reg)
211 static inline u8 temp_to_reg(long val)
215 else if (val > 1000 * 0xff)
217 return ((val + 500) / 1000);
224 static u8 f71805f_read8(struct f71805f_data *data, u8 reg)
228 mutex_lock(&data->lock);
229 outb(reg, data->addr + ADDR_REG_OFFSET);
230 val = inb(data->addr + DATA_REG_OFFSET);
231 mutex_unlock(&data->lock);
236 static void f71805f_write8(struct f71805f_data *data, u8 reg, u8 val)
238 mutex_lock(&data->lock);
239 outb(reg, data->addr + ADDR_REG_OFFSET);
240 outb(val, data->addr + DATA_REG_OFFSET);
241 mutex_unlock(&data->lock);
244 /* It is important to read the MSB first, because doing so latches the
245 value of the LSB, so we are sure both bytes belong to the same value. */
246 static u16 f71805f_read16(struct f71805f_data *data, u8 reg)
250 mutex_lock(&data->lock);
251 outb(reg, data->addr + ADDR_REG_OFFSET);
252 val = inb(data->addr + DATA_REG_OFFSET) << 8;
253 outb(++reg, data->addr + ADDR_REG_OFFSET);
254 val |= inb(data->addr + DATA_REG_OFFSET);
255 mutex_unlock(&data->lock);
260 static void f71805f_write16(struct f71805f_data *data, u8 reg, u16 val)
262 mutex_lock(&data->lock);
263 outb(reg, data->addr + ADDR_REG_OFFSET);
264 outb(val >> 8, data->addr + DATA_REG_OFFSET);
265 outb(++reg, data->addr + ADDR_REG_OFFSET);
266 outb(val & 0xff, data->addr + DATA_REG_OFFSET);
267 mutex_unlock(&data->lock);
270 static struct f71805f_data *f71805f_update_device(struct device *dev)
272 struct f71805f_data *data = dev_get_drvdata(dev);
275 mutex_lock(&data->update_lock);
277 /* Limit registers cache is refreshed after 60 seconds */
278 if (time_after(jiffies, data->last_updated + 60 * HZ)
280 for (nr = 0; nr < 9; nr++) {
281 data->in_high[nr] = f71805f_read8(data,
282 F71805F_REG_IN_HIGH(nr));
283 data->in_low[nr] = f71805f_read8(data,
284 F71805F_REG_IN_LOW(nr));
286 for (nr = 0; nr < 3; nr++) {
287 if (data->fan_ctrl[nr] & FAN_CTRL_SKIP)
289 data->fan_low[nr] = f71805f_read16(data,
290 F71805F_REG_FAN_LOW(nr));
292 for (nr = 0; nr < 3; nr++) {
293 data->temp_high[nr] = f71805f_read8(data,
294 F71805F_REG_TEMP_HIGH(nr));
295 data->temp_hyst[nr] = f71805f_read8(data,
296 F71805F_REG_TEMP_HYST(nr));
298 data->temp_mode = f71805f_read8(data, F71805F_REG_TEMP_MODE);
300 data->last_limits = jiffies;
303 /* Measurement registers cache is refreshed after 1 second */
304 if (time_after(jiffies, data->last_updated + HZ)
306 for (nr = 0; nr < 9; nr++) {
307 data->in[nr] = f71805f_read8(data,
310 for (nr = 0; nr < 3; nr++) {
311 if (data->fan_ctrl[nr] & FAN_CTRL_SKIP)
313 data->fan[nr] = f71805f_read16(data,
314 F71805F_REG_FAN(nr));
316 for (nr = 0; nr < 3; nr++) {
317 data->temp[nr] = f71805f_read8(data,
318 F71805F_REG_TEMP(nr));
320 data->alarms = f71805f_read8(data, F71805F_REG_STATUS(0))
321 + (f71805f_read8(data, F71805F_REG_STATUS(1)) << 8)
322 + (f71805f_read8(data, F71805F_REG_STATUS(2)) << 16);
324 data->last_updated = jiffies;
328 mutex_unlock(&data->update_lock);
337 static ssize_t show_in0(struct device *dev, struct device_attribute *devattr,
340 struct f71805f_data *data = f71805f_update_device(dev);
342 return sprintf(buf, "%ld\n", in0_from_reg(data->in[0]));
345 static ssize_t show_in0_max(struct device *dev, struct device_attribute
348 struct f71805f_data *data = f71805f_update_device(dev);
350 return sprintf(buf, "%ld\n", in0_from_reg(data->in_high[0]));
353 static ssize_t show_in0_min(struct device *dev, struct device_attribute
356 struct f71805f_data *data = f71805f_update_device(dev);
358 return sprintf(buf, "%ld\n", in0_from_reg(data->in_low[0]));
361 static ssize_t set_in0_max(struct device *dev, struct device_attribute
362 *devattr, const char *buf, size_t count)
364 struct f71805f_data *data = dev_get_drvdata(dev);
365 long val = simple_strtol(buf, NULL, 10);
367 mutex_lock(&data->update_lock);
368 data->in_high[0] = in0_to_reg(val);
369 f71805f_write8(data, F71805F_REG_IN_HIGH(0), data->in_high[0]);
370 mutex_unlock(&data->update_lock);
375 static ssize_t set_in0_min(struct device *dev, struct device_attribute
376 *devattr, const char *buf, size_t count)
378 struct f71805f_data *data = dev_get_drvdata(dev);
379 long val = simple_strtol(buf, NULL, 10);
381 mutex_lock(&data->update_lock);
382 data->in_low[0] = in0_to_reg(val);
383 f71805f_write8(data, F71805F_REG_IN_LOW(0), data->in_low[0]);
384 mutex_unlock(&data->update_lock);
389 static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
392 struct f71805f_data *data = f71805f_update_device(dev);
393 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
394 int nr = attr->index;
396 return sprintf(buf, "%ld\n", in_from_reg(data->in[nr]));
399 static ssize_t show_in_max(struct device *dev, struct device_attribute
402 struct f71805f_data *data = f71805f_update_device(dev);
403 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
404 int nr = attr->index;
406 return sprintf(buf, "%ld\n", in_from_reg(data->in_high[nr]));
409 static ssize_t show_in_min(struct device *dev, struct device_attribute
412 struct f71805f_data *data = f71805f_update_device(dev);
413 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
414 int nr = attr->index;
416 return sprintf(buf, "%ld\n", in_from_reg(data->in_low[nr]));
419 static ssize_t set_in_max(struct device *dev, struct device_attribute
420 *devattr, const char *buf, size_t count)
422 struct f71805f_data *data = dev_get_drvdata(dev);
423 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
424 int nr = attr->index;
425 long val = simple_strtol(buf, NULL, 10);
427 mutex_lock(&data->update_lock);
428 data->in_high[nr] = in_to_reg(val);
429 f71805f_write8(data, F71805F_REG_IN_HIGH(nr), data->in_high[nr]);
430 mutex_unlock(&data->update_lock);
435 static ssize_t set_in_min(struct device *dev, struct device_attribute
436 *devattr, const char *buf, size_t count)
438 struct f71805f_data *data = dev_get_drvdata(dev);
439 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
440 int nr = attr->index;
441 long val = simple_strtol(buf, NULL, 10);
443 mutex_lock(&data->update_lock);
444 data->in_low[nr] = in_to_reg(val);
445 f71805f_write8(data, F71805F_REG_IN_LOW(nr), data->in_low[nr]);
446 mutex_unlock(&data->update_lock);
451 static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
454 struct f71805f_data *data = f71805f_update_device(dev);
455 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
456 int nr = attr->index;
458 return sprintf(buf, "%ld\n", fan_from_reg(data->fan[nr]));
461 static ssize_t show_fan_min(struct device *dev, struct device_attribute
464 struct f71805f_data *data = f71805f_update_device(dev);
465 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
466 int nr = attr->index;
468 return sprintf(buf, "%ld\n", fan_from_reg(data->fan_low[nr]));
471 static ssize_t set_fan_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->fan_low[nr] = fan_to_reg(val);
481 f71805f_write16(data, F71805F_REG_FAN_LOW(nr), data->fan_low[nr]);
482 mutex_unlock(&data->update_lock);
487 static ssize_t show_temp(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", temp_from_reg(data->temp[nr]));
497 static ssize_t show_temp_max(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", temp_from_reg(data->temp_high[nr]));
507 static ssize_t show_temp_hyst(struct device *dev, struct device_attribute
510 struct f71805f_data *data = f71805f_update_device(dev);
511 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
512 int nr = attr->index;
514 return sprintf(buf, "%ld\n", temp_from_reg(data->temp_hyst[nr]));
517 static ssize_t show_temp_type(struct device *dev, struct device_attribute
520 struct f71805f_data *data = f71805f_update_device(dev);
521 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
522 int nr = attr->index;
524 /* 3 is diode, 4 is thermistor */
525 return sprintf(buf, "%u\n", (data->temp_mode & (1 << nr)) ? 3 : 4);
528 static ssize_t set_temp_max(struct device *dev, struct device_attribute
529 *devattr, const char *buf, size_t count)
531 struct f71805f_data *data = dev_get_drvdata(dev);
532 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
533 int nr = attr->index;
534 long val = simple_strtol(buf, NULL, 10);
536 mutex_lock(&data->update_lock);
537 data->temp_high[nr] = temp_to_reg(val);
538 f71805f_write8(data, F71805F_REG_TEMP_HIGH(nr), data->temp_high[nr]);
539 mutex_unlock(&data->update_lock);
544 static ssize_t set_temp_hyst(struct device *dev, struct device_attribute
545 *devattr, const char *buf, size_t count)
547 struct f71805f_data *data = dev_get_drvdata(dev);
548 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
549 int nr = attr->index;
550 long val = simple_strtol(buf, NULL, 10);
552 mutex_lock(&data->update_lock);
553 data->temp_hyst[nr] = temp_to_reg(val);
554 f71805f_write8(data, F71805F_REG_TEMP_HYST(nr), data->temp_hyst[nr]);
555 mutex_unlock(&data->update_lock);
560 static ssize_t show_alarms_in(struct device *dev, struct device_attribute
563 struct f71805f_data *data = f71805f_update_device(dev);
565 return sprintf(buf, "%lu\n", data->alarms & 0x1ff);
568 static ssize_t show_alarms_fan(struct device *dev, struct device_attribute
571 struct f71805f_data *data = f71805f_update_device(dev);
573 return sprintf(buf, "%lu\n", (data->alarms >> 16) & 0x07);
576 static ssize_t show_alarms_temp(struct device *dev, struct device_attribute
579 struct f71805f_data *data = f71805f_update_device(dev);
581 return sprintf(buf, "%lu\n", (data->alarms >> 11) & 0x07);
584 static ssize_t show_alarm(struct device *dev, struct device_attribute
587 struct f71805f_data *data = f71805f_update_device(dev);
588 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
589 int bitnr = attr->index;
591 return sprintf(buf, "%lu\n", (data->alarms >> bitnr) & 1);
594 static ssize_t show_name(struct device *dev, struct device_attribute
597 struct f71805f_data *data = dev_get_drvdata(dev);
599 return sprintf(buf, "%s\n", data->name);
602 static DEVICE_ATTR(in0_input, S_IRUGO, show_in0, NULL);
603 static DEVICE_ATTR(in0_max, S_IRUGO| S_IWUSR, show_in0_max, set_in0_max);
604 static DEVICE_ATTR(in0_min, S_IRUGO| S_IWUSR, show_in0_min, set_in0_min);
605 static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 1);
606 static SENSOR_DEVICE_ATTR(in1_max, S_IRUGO | S_IWUSR,
607 show_in_max, set_in_max, 1);
608 static SENSOR_DEVICE_ATTR(in1_min, S_IRUGO | S_IWUSR,
609 show_in_min, set_in_min, 1);
610 static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in, NULL, 2);
611 static SENSOR_DEVICE_ATTR(in2_max, S_IRUGO | S_IWUSR,
612 show_in_max, set_in_max, 2);
613 static SENSOR_DEVICE_ATTR(in2_min, S_IRUGO | S_IWUSR,
614 show_in_min, set_in_min, 2);
615 static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in, NULL, 3);
616 static SENSOR_DEVICE_ATTR(in3_max, S_IRUGO | S_IWUSR,
617 show_in_max, set_in_max, 3);
618 static SENSOR_DEVICE_ATTR(in3_min, S_IRUGO | S_IWUSR,
619 show_in_min, set_in_min, 3);
620 static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_in, NULL, 4);
621 static SENSOR_DEVICE_ATTR(in4_max, S_IRUGO | S_IWUSR,
622 show_in_max, set_in_max, 4);
623 static SENSOR_DEVICE_ATTR(in4_min, S_IRUGO | S_IWUSR,
624 show_in_min, set_in_min, 4);
625 static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_in, NULL, 5);
626 static SENSOR_DEVICE_ATTR(in5_max, S_IRUGO | S_IWUSR,
627 show_in_max, set_in_max, 5);
628 static SENSOR_DEVICE_ATTR(in5_min, S_IRUGO | S_IWUSR,
629 show_in_min, set_in_min, 5);
630 static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_in, NULL, 6);
631 static SENSOR_DEVICE_ATTR(in6_max, S_IRUGO | S_IWUSR,
632 show_in_max, set_in_max, 6);
633 static SENSOR_DEVICE_ATTR(in6_min, S_IRUGO | S_IWUSR,
634 show_in_min, set_in_min, 6);
635 static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_in, NULL, 7);
636 static SENSOR_DEVICE_ATTR(in7_max, S_IRUGO | S_IWUSR,
637 show_in_max, set_in_max, 7);
638 static SENSOR_DEVICE_ATTR(in7_min, S_IRUGO | S_IWUSR,
639 show_in_min, set_in_min, 7);
640 static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_in, NULL, 8);
641 static SENSOR_DEVICE_ATTR(in8_max, S_IRUGO | S_IWUSR,
642 show_in_max, set_in_max, 8);
643 static SENSOR_DEVICE_ATTR(in8_min, S_IRUGO | S_IWUSR,
644 show_in_min, set_in_min, 8);
646 static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0);
647 static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO | S_IWUSR,
648 show_fan_min, set_fan_min, 0);
649 static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1);
650 static SENSOR_DEVICE_ATTR(fan2_min, S_IRUGO | S_IWUSR,
651 show_fan_min, set_fan_min, 1);
652 static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2);
653 static SENSOR_DEVICE_ATTR(fan3_min, S_IRUGO | S_IWUSR,
654 show_fan_min, set_fan_min, 2);
656 static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);
657 static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR,
658 show_temp_max, set_temp_max, 0);
659 static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR,
660 show_temp_hyst, set_temp_hyst, 0);
661 static SENSOR_DEVICE_ATTR(temp1_type, S_IRUGO, show_temp_type, NULL, 0);
662 static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1);
663 static SENSOR_DEVICE_ATTR(temp2_max, S_IRUGO | S_IWUSR,
664 show_temp_max, set_temp_max, 1);
665 static SENSOR_DEVICE_ATTR(temp2_max_hyst, S_IRUGO | S_IWUSR,
666 show_temp_hyst, set_temp_hyst, 1);
667 static SENSOR_DEVICE_ATTR(temp2_type, S_IRUGO, show_temp_type, NULL, 1);
668 static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2);
669 static SENSOR_DEVICE_ATTR(temp3_max, S_IRUGO | S_IWUSR,
670 show_temp_max, set_temp_max, 2);
671 static SENSOR_DEVICE_ATTR(temp3_max_hyst, S_IRUGO | S_IWUSR,
672 show_temp_hyst, set_temp_hyst, 2);
673 static SENSOR_DEVICE_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2);
675 static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
676 static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
677 static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
678 static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
679 static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 4);
680 static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 5);
681 static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 6);
682 static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 7);
683 static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 8);
684 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 11);
685 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 12);
686 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13);
687 static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 16);
688 static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 17);
689 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 18);
690 static DEVICE_ATTR(alarms_in, S_IRUGO, show_alarms_in, NULL);
691 static DEVICE_ATTR(alarms_fan, S_IRUGO, show_alarms_fan, NULL);
692 static DEVICE_ATTR(alarms_temp, S_IRUGO, show_alarms_temp, NULL);
694 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
696 static struct attribute *f71805f_attributes[] = {
697 &dev_attr_in0_input.attr,
698 &dev_attr_in0_max.attr,
699 &dev_attr_in0_min.attr,
700 &sensor_dev_attr_in1_input.dev_attr.attr,
701 &sensor_dev_attr_in1_max.dev_attr.attr,
702 &sensor_dev_attr_in1_min.dev_attr.attr,
703 &sensor_dev_attr_in2_input.dev_attr.attr,
704 &sensor_dev_attr_in2_max.dev_attr.attr,
705 &sensor_dev_attr_in2_min.dev_attr.attr,
706 &sensor_dev_attr_in3_input.dev_attr.attr,
707 &sensor_dev_attr_in3_max.dev_attr.attr,
708 &sensor_dev_attr_in3_min.dev_attr.attr,
709 &sensor_dev_attr_in4_input.dev_attr.attr,
710 &sensor_dev_attr_in4_max.dev_attr.attr,
711 &sensor_dev_attr_in4_min.dev_attr.attr,
712 &sensor_dev_attr_in5_input.dev_attr.attr,
713 &sensor_dev_attr_in5_max.dev_attr.attr,
714 &sensor_dev_attr_in5_min.dev_attr.attr,
715 &sensor_dev_attr_in6_input.dev_attr.attr,
716 &sensor_dev_attr_in6_max.dev_attr.attr,
717 &sensor_dev_attr_in6_min.dev_attr.attr,
718 &sensor_dev_attr_in7_input.dev_attr.attr,
719 &sensor_dev_attr_in7_max.dev_attr.attr,
720 &sensor_dev_attr_in7_min.dev_attr.attr,
721 &sensor_dev_attr_in8_input.dev_attr.attr,
722 &sensor_dev_attr_in8_max.dev_attr.attr,
723 &sensor_dev_attr_in8_min.dev_attr.attr,
725 &sensor_dev_attr_temp1_input.dev_attr.attr,
726 &sensor_dev_attr_temp1_max.dev_attr.attr,
727 &sensor_dev_attr_temp1_max_hyst.dev_attr.attr,
728 &sensor_dev_attr_temp1_type.dev_attr.attr,
729 &sensor_dev_attr_temp2_input.dev_attr.attr,
730 &sensor_dev_attr_temp2_max.dev_attr.attr,
731 &sensor_dev_attr_temp2_max_hyst.dev_attr.attr,
732 &sensor_dev_attr_temp2_type.dev_attr.attr,
733 &sensor_dev_attr_temp3_input.dev_attr.attr,
734 &sensor_dev_attr_temp3_max.dev_attr.attr,
735 &sensor_dev_attr_temp3_max_hyst.dev_attr.attr,
736 &sensor_dev_attr_temp3_type.dev_attr.attr,
738 &sensor_dev_attr_in0_alarm.dev_attr.attr,
739 &sensor_dev_attr_in1_alarm.dev_attr.attr,
740 &sensor_dev_attr_in2_alarm.dev_attr.attr,
741 &sensor_dev_attr_in3_alarm.dev_attr.attr,
742 &sensor_dev_attr_in4_alarm.dev_attr.attr,
743 &sensor_dev_attr_in5_alarm.dev_attr.attr,
744 &sensor_dev_attr_in6_alarm.dev_attr.attr,
745 &sensor_dev_attr_in7_alarm.dev_attr.attr,
746 &sensor_dev_attr_in8_alarm.dev_attr.attr,
747 &dev_attr_alarms_in.attr,
748 &sensor_dev_attr_temp1_alarm.dev_attr.attr,
749 &sensor_dev_attr_temp2_alarm.dev_attr.attr,
750 &sensor_dev_attr_temp3_alarm.dev_attr.attr,
751 &dev_attr_alarms_temp.attr,
752 &dev_attr_alarms_fan.attr,
758 static const struct attribute_group f71805f_group = {
759 .attrs = f71805f_attributes,
762 static struct attribute *f71805f_attributes_fan[3][4] = {
764 &sensor_dev_attr_fan1_input.dev_attr.attr,
765 &sensor_dev_attr_fan1_min.dev_attr.attr,
766 &sensor_dev_attr_fan1_alarm.dev_attr.attr,
769 &sensor_dev_attr_fan2_input.dev_attr.attr,
770 &sensor_dev_attr_fan2_min.dev_attr.attr,
771 &sensor_dev_attr_fan2_alarm.dev_attr.attr,
774 &sensor_dev_attr_fan3_input.dev_attr.attr,
775 &sensor_dev_attr_fan3_min.dev_attr.attr,
776 &sensor_dev_attr_fan3_alarm.dev_attr.attr,
781 static const struct attribute_group f71805f_group_fan[3] = {
782 { .attrs = f71805f_attributes_fan[0] },
783 { .attrs = f71805f_attributes_fan[1] },
784 { .attrs = f71805f_attributes_fan[2] },
788 * Device registration and initialization
791 static void __devinit f71805f_init_device(struct f71805f_data *data)
796 reg = f71805f_read8(data, F71805F_REG_START);
797 if ((reg & 0x41) != 0x01) {
798 printk(KERN_DEBUG DRVNAME ": Starting monitoring "
800 f71805f_write8(data, F71805F_REG_START, (reg | 0x01) & ~0x40);
803 /* Fan monitoring can be disabled. If it is, we won't be polling
804 the register values, and won't create the related sysfs files. */
805 for (i = 0; i < 3; i++) {
806 data->fan_ctrl[i] = f71805f_read8(data,
807 F71805F_REG_FAN_CTRL(i));
811 static int __devinit f71805f_probe(struct platform_device *pdev)
813 struct f71805f_data *data;
814 struct resource *res;
817 if (!(data = kzalloc(sizeof(struct f71805f_data), GFP_KERNEL))) {
819 printk(KERN_ERR DRVNAME ": Out of memory\n");
823 res = platform_get_resource(pdev, IORESOURCE_IO, 0);
824 data->addr = res->start;
825 mutex_init(&data->lock);
826 data->name = "f71805f";
827 mutex_init(&data->update_lock);
829 platform_set_drvdata(pdev, data);
831 /* Initialize the F71805F chip */
832 f71805f_init_device(data);
834 /* Register sysfs interface files */
835 if ((err = sysfs_create_group(&pdev->dev.kobj, &f71805f_group)))
837 for (i = 0; i < 3; i++) {
838 if (data->fan_ctrl[i] & FAN_CTRL_SKIP)
840 if ((err = sysfs_create_group(&pdev->dev.kobj,
841 &f71805f_group_fan[i])))
842 goto exit_remove_files;
845 data->class_dev = hwmon_device_register(&pdev->dev);
846 if (IS_ERR(data->class_dev)) {
847 err = PTR_ERR(data->class_dev);
848 dev_err(&pdev->dev, "Class registration failed (%d)\n", err);
849 goto exit_remove_files;
855 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group);
856 for (i = 0; i < 3; i++)
857 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_fan[i]);
859 platform_set_drvdata(pdev, NULL);
865 static int __devexit f71805f_remove(struct platform_device *pdev)
867 struct f71805f_data *data = platform_get_drvdata(pdev);
870 platform_set_drvdata(pdev, NULL);
871 hwmon_device_unregister(data->class_dev);
872 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group);
873 for (i = 0; i < 3; i++)
874 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_fan[i]);
880 static struct platform_driver f71805f_driver = {
882 .owner = THIS_MODULE,
885 .probe = f71805f_probe,
886 .remove = __devexit_p(f71805f_remove),
889 static int __init f71805f_device_add(unsigned short address)
891 struct resource res = {
893 .end = address + REGION_LENGTH - 1,
894 .flags = IORESOURCE_IO,
898 pdev = platform_device_alloc(DRVNAME, address);
901 printk(KERN_ERR DRVNAME ": Device allocation failed\n");
905 res.name = pdev->name;
906 err = platform_device_add_resources(pdev, &res, 1);
908 printk(KERN_ERR DRVNAME ": Device resource addition failed "
910 goto exit_device_put;
913 err = platform_device_add(pdev);
915 printk(KERN_ERR DRVNAME ": Device addition failed (%d)\n",
917 goto exit_device_put;
923 platform_device_put(pdev);
928 static int __init f71805f_find(int sioaddr, unsigned short *address)
933 superio_enter(sioaddr);
935 devid = superio_inw(sioaddr, SIO_REG_MANID);
936 if (devid != SIO_FINTEK_ID)
939 devid = superio_inw(sioaddr, SIO_REG_DEVID);
940 if (devid != SIO_F71805F_ID) {
941 printk(KERN_INFO DRVNAME ": Unsupported Fintek device, "
946 superio_select(sioaddr, F71805F_LD_HWM);
947 if (!(superio_inb(sioaddr, SIO_REG_ENABLE) & 0x01)) {
948 printk(KERN_WARNING DRVNAME ": Device not activated, "
953 *address = superio_inw(sioaddr, SIO_REG_ADDR);
955 printk(KERN_WARNING DRVNAME ": Base address not set, "
961 printk(KERN_INFO DRVNAME ": Found F71805F chip at %#x, revision %u\n",
962 *address, superio_inb(sioaddr, SIO_REG_DEVREV));
965 superio_exit(sioaddr);
969 static int __init f71805f_init(void)
972 unsigned short address;
974 if (f71805f_find(0x2e, &address)
975 && f71805f_find(0x4e, &address))
978 err = platform_driver_register(&f71805f_driver);
982 /* Sets global pdev as a side effect */
983 err = f71805f_device_add(address);
990 platform_driver_unregister(&f71805f_driver);
995 static void __exit f71805f_exit(void)
997 platform_device_unregister(pdev);
998 platform_driver_unregister(&f71805f_driver);
1001 MODULE_AUTHOR("Jean Delvare <khali@linux-fr>");
1002 MODULE_LICENSE("GPL");
1003 MODULE_DESCRIPTION("F71805F hardware monitoring driver");
1005 module_init(f71805f_init);
1006 module_exit(f71805f_exit);