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>
40 static struct platform_device *pdev;
42 #define DRVNAME "f71805f"
43 enum kinds { f71805f, f71872f };
46 * Super-I/O constants and functions
49 #define F71805F_LD_HWM 0x04
51 #define SIO_REG_LDSEL 0x07 /* Logical device select */
52 #define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */
53 #define SIO_REG_DEVREV 0x22 /* Device revision */
54 #define SIO_REG_MANID 0x23 /* Fintek ID (2 bytes) */
55 #define SIO_REG_FNSEL1 0x29 /* Multi Function Select 1 (F71872F) */
56 #define SIO_REG_ENABLE 0x30 /* Logical device enable */
57 #define SIO_REG_ADDR 0x60 /* Logical device address (2 bytes) */
59 #define SIO_FINTEK_ID 0x1934
60 #define SIO_F71805F_ID 0x0406
61 #define SIO_F71872F_ID 0x0341
64 superio_inb(int base, int reg)
71 superio_inw(int base, int reg)
75 val = inb(base + 1) << 8;
82 superio_select(int base, int ld)
84 outb(SIO_REG_LDSEL, base);
89 superio_enter(int base)
96 superio_exit(int base)
105 #define REGION_LENGTH 2
106 #define ADDR_REG_OFFSET 0
107 #define DATA_REG_OFFSET 1
113 /* in nr from 0 to 10 (8-bit values) */
114 #define F71805F_REG_IN(nr) (0x10 + (nr))
115 #define F71805F_REG_IN_HIGH(nr) ((nr) < 10 ? 0x40 + 2 * (nr) : 0x2E)
116 #define F71805F_REG_IN_LOW(nr) ((nr) < 10 ? 0x41 + 2 * (nr) : 0x2F)
117 /* fan nr from 0 to 2 (12-bit values, two registers) */
118 #define F71805F_REG_FAN(nr) (0x20 + 2 * (nr))
119 #define F71805F_REG_FAN_LOW(nr) (0x28 + 2 * (nr))
120 #define F71805F_REG_FAN_TARGET(nr) (0x69 + 16 * (nr))
121 #define F71805F_REG_FAN_CTRL(nr) (0x60 + 16 * (nr))
122 #define F71805F_REG_PWM_FREQ(nr) (0x63 + 16 * (nr))
123 #define F71805F_REG_PWM_DUTY(nr) (0x6B + 16 * (nr))
124 /* temp nr from 0 to 2 (8-bit values) */
125 #define F71805F_REG_TEMP(nr) (0x1B + (nr))
126 #define F71805F_REG_TEMP_HIGH(nr) (0x54 + 2 * (nr))
127 #define F71805F_REG_TEMP_HYST(nr) (0x55 + 2 * (nr))
128 #define F71805F_REG_TEMP_MODE 0x01
130 #define F71805F_REG_START 0x00
131 /* status nr from 0 to 2 */
132 #define F71805F_REG_STATUS(nr) (0x36 + (nr))
134 /* individual register bits */
135 #define FAN_CTRL_SKIP 0x80
136 #define FAN_CTRL_DC_MODE 0x10
137 #define FAN_CTRL_LATCH_FULL 0x08
138 #define FAN_CTRL_MODE_MASK 0x03
139 #define FAN_CTRL_MODE_SPEED 0x00
140 #define FAN_CTRL_MODE_TEMPERATURE 0x01
141 #define FAN_CTRL_MODE_MANUAL 0x02
144 * Data structures and manipulation thereof
147 struct f71805f_data {
151 struct class_device *class_dev;
153 struct mutex update_lock;
154 char valid; /* !=0 if following fields are valid */
155 unsigned long last_updated; /* In jiffies */
156 unsigned long last_limits; /* In jiffies */
158 /* Register values */
173 unsigned long alarms;
176 struct f71805f_sio_data {
181 static inline long in_from_reg(u8 reg)
186 /* The 2 least significant bits are not used */
187 static inline u8 in_to_reg(long val)
193 return (((val + 16) / 32) << 2);
196 /* in0 is downscaled by a factor 2 internally */
197 static inline long in0_from_reg(u8 reg)
202 static inline u8 in0_to_reg(long val)
208 return (((val + 32) / 64) << 2);
211 /* The 4 most significant bits are not used */
212 static inline long fan_from_reg(u16 reg)
215 if (!reg || reg == 0xfff)
217 return (1500000 / reg);
220 static inline u16 fan_to_reg(long rpm)
222 /* If the low limit is set below what the chip can measure,
223 store the largest possible 12-bit value in the registers,
224 so that no alarm will ever trigger. */
227 return (1500000 / rpm);
230 static inline unsigned long pwm_freq_from_reg(u8 reg)
232 unsigned long clock = (reg & 0x80) ? 48000000UL : 1000000UL;
237 return clock / (reg << 8);
240 static inline u8 pwm_freq_to_reg(unsigned long val)
242 if (val >= 187500) /* The highest we can do */
244 if (val >= 1475) /* Use 48 MHz clock */
245 return 0x80 | (48000000UL / (val << 8));
246 if (val < 31) /* The lowest we can do */
248 else /* Use 1 MHz clock */
249 return 1000000UL / (val << 8);
252 static inline int pwm_mode_from_reg(u8 reg)
254 return !(reg & FAN_CTRL_DC_MODE);
257 static inline long temp_from_reg(u8 reg)
262 static inline u8 temp_to_reg(long val)
266 else if (val > 1000 * 0xff)
268 return ((val + 500) / 1000);
275 static u8 f71805f_read8(struct f71805f_data *data, u8 reg)
279 mutex_lock(&data->lock);
280 outb(reg, data->addr + ADDR_REG_OFFSET);
281 val = inb(data->addr + DATA_REG_OFFSET);
282 mutex_unlock(&data->lock);
287 static void f71805f_write8(struct f71805f_data *data, u8 reg, u8 val)
289 mutex_lock(&data->lock);
290 outb(reg, data->addr + ADDR_REG_OFFSET);
291 outb(val, data->addr + DATA_REG_OFFSET);
292 mutex_unlock(&data->lock);
295 /* It is important to read the MSB first, because doing so latches the
296 value of the LSB, so we are sure both bytes belong to the same value. */
297 static u16 f71805f_read16(struct f71805f_data *data, u8 reg)
301 mutex_lock(&data->lock);
302 outb(reg, data->addr + ADDR_REG_OFFSET);
303 val = inb(data->addr + DATA_REG_OFFSET) << 8;
304 outb(++reg, data->addr + ADDR_REG_OFFSET);
305 val |= inb(data->addr + DATA_REG_OFFSET);
306 mutex_unlock(&data->lock);
311 static void f71805f_write16(struct f71805f_data *data, u8 reg, u16 val)
313 mutex_lock(&data->lock);
314 outb(reg, data->addr + ADDR_REG_OFFSET);
315 outb(val >> 8, data->addr + DATA_REG_OFFSET);
316 outb(++reg, data->addr + ADDR_REG_OFFSET);
317 outb(val & 0xff, data->addr + DATA_REG_OFFSET);
318 mutex_unlock(&data->lock);
321 static struct f71805f_data *f71805f_update_device(struct device *dev)
323 struct f71805f_data *data = dev_get_drvdata(dev);
326 mutex_lock(&data->update_lock);
328 /* Limit registers cache is refreshed after 60 seconds */
329 if (time_after(jiffies, data->last_updated + 60 * HZ)
331 for (nr = 0; nr < 11; nr++) {
332 if (!(data->has_in & (1 << nr)))
334 data->in_high[nr] = f71805f_read8(data,
335 F71805F_REG_IN_HIGH(nr));
336 data->in_low[nr] = f71805f_read8(data,
337 F71805F_REG_IN_LOW(nr));
339 for (nr = 0; nr < 3; nr++) {
340 if (data->fan_ctrl[nr] & FAN_CTRL_SKIP)
342 data->fan_low[nr] = f71805f_read16(data,
343 F71805F_REG_FAN_LOW(nr));
344 data->fan_target[nr] = f71805f_read16(data,
345 F71805F_REG_FAN_TARGET(nr));
346 data->pwm_freq[nr] = f71805f_read8(data,
347 F71805F_REG_PWM_FREQ(nr));
349 for (nr = 0; nr < 3; nr++) {
350 data->temp_high[nr] = f71805f_read8(data,
351 F71805F_REG_TEMP_HIGH(nr));
352 data->temp_hyst[nr] = f71805f_read8(data,
353 F71805F_REG_TEMP_HYST(nr));
355 data->temp_mode = f71805f_read8(data, F71805F_REG_TEMP_MODE);
357 data->last_limits = jiffies;
360 /* Measurement registers cache is refreshed after 1 second */
361 if (time_after(jiffies, data->last_updated + HZ)
363 for (nr = 0; nr < 11; nr++) {
364 if (!(data->has_in & (1 << nr)))
366 data->in[nr] = f71805f_read8(data,
369 for (nr = 0; nr < 3; nr++) {
370 if (data->fan_ctrl[nr] & FAN_CTRL_SKIP)
372 data->fan[nr] = f71805f_read16(data,
373 F71805F_REG_FAN(nr));
374 data->fan_ctrl[nr] = f71805f_read8(data,
375 F71805F_REG_FAN_CTRL(nr));
376 data->pwm[nr] = f71805f_read8(data,
377 F71805F_REG_PWM_DUTY(nr));
379 for (nr = 0; nr < 3; nr++) {
380 data->temp[nr] = f71805f_read8(data,
381 F71805F_REG_TEMP(nr));
383 data->alarms = f71805f_read8(data, F71805F_REG_STATUS(0))
384 + (f71805f_read8(data, F71805F_REG_STATUS(1)) << 8)
385 + (f71805f_read8(data, F71805F_REG_STATUS(2)) << 16);
387 data->last_updated = jiffies;
391 mutex_unlock(&data->update_lock);
400 static ssize_t show_in0(struct device *dev, struct device_attribute *devattr,
403 struct f71805f_data *data = f71805f_update_device(dev);
404 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
405 int nr = attr->index;
407 return sprintf(buf, "%ld\n", in0_from_reg(data->in[nr]));
410 static ssize_t show_in0_max(struct device *dev, struct device_attribute
413 struct f71805f_data *data = f71805f_update_device(dev);
414 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
415 int nr = attr->index;
417 return sprintf(buf, "%ld\n", in0_from_reg(data->in_high[nr]));
420 static ssize_t show_in0_min(struct device *dev, struct device_attribute
423 struct f71805f_data *data = f71805f_update_device(dev);
424 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
425 int nr = attr->index;
427 return sprintf(buf, "%ld\n", in0_from_reg(data->in_low[nr]));
430 static ssize_t set_in0_max(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_high[nr] = in0_to_reg(val);
440 f71805f_write8(data, F71805F_REG_IN_HIGH(nr), data->in_high[nr]);
441 mutex_unlock(&data->update_lock);
446 static ssize_t set_in0_min(struct device *dev, struct device_attribute
447 *devattr, const char *buf, size_t count)
449 struct f71805f_data *data = dev_get_drvdata(dev);
450 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
451 int nr = attr->index;
452 long val = simple_strtol(buf, NULL, 10);
454 mutex_lock(&data->update_lock);
455 data->in_low[nr] = in0_to_reg(val);
456 f71805f_write8(data, F71805F_REG_IN_LOW(nr), data->in_low[nr]);
457 mutex_unlock(&data->update_lock);
462 static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
465 struct f71805f_data *data = f71805f_update_device(dev);
466 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
467 int nr = attr->index;
469 return sprintf(buf, "%ld\n", in_from_reg(data->in[nr]));
472 static ssize_t show_in_max(struct device *dev, struct device_attribute
475 struct f71805f_data *data = f71805f_update_device(dev);
476 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
477 int nr = attr->index;
479 return sprintf(buf, "%ld\n", in_from_reg(data->in_high[nr]));
482 static ssize_t show_in_min(struct device *dev, struct device_attribute
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", in_from_reg(data->in_low[nr]));
492 static ssize_t set_in_max(struct device *dev, struct device_attribute
493 *devattr, const char *buf, size_t count)
495 struct f71805f_data *data = dev_get_drvdata(dev);
496 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
497 int nr = attr->index;
498 long val = simple_strtol(buf, NULL, 10);
500 mutex_lock(&data->update_lock);
501 data->in_high[nr] = in_to_reg(val);
502 f71805f_write8(data, F71805F_REG_IN_HIGH(nr), data->in_high[nr]);
503 mutex_unlock(&data->update_lock);
508 static ssize_t set_in_min(struct device *dev, struct device_attribute
509 *devattr, const char *buf, size_t count)
511 struct f71805f_data *data = dev_get_drvdata(dev);
512 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
513 int nr = attr->index;
514 long val = simple_strtol(buf, NULL, 10);
516 mutex_lock(&data->update_lock);
517 data->in_low[nr] = in_to_reg(val);
518 f71805f_write8(data, F71805F_REG_IN_LOW(nr), data->in_low[nr]);
519 mutex_unlock(&data->update_lock);
524 static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
527 struct f71805f_data *data = f71805f_update_device(dev);
528 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
529 int nr = attr->index;
531 return sprintf(buf, "%ld\n", fan_from_reg(data->fan[nr]));
534 static ssize_t show_fan_min(struct device *dev, struct device_attribute
537 struct f71805f_data *data = f71805f_update_device(dev);
538 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
539 int nr = attr->index;
541 return sprintf(buf, "%ld\n", fan_from_reg(data->fan_low[nr]));
544 static ssize_t show_fan_target(struct device *dev, struct device_attribute
547 struct f71805f_data *data = f71805f_update_device(dev);
548 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
549 int nr = attr->index;
551 return sprintf(buf, "%ld\n", fan_from_reg(data->fan_target[nr]));
554 static ssize_t set_fan_min(struct device *dev, struct device_attribute
555 *devattr, const char *buf, size_t count)
557 struct f71805f_data *data = dev_get_drvdata(dev);
558 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
559 int nr = attr->index;
560 long val = simple_strtol(buf, NULL, 10);
562 mutex_lock(&data->update_lock);
563 data->fan_low[nr] = fan_to_reg(val);
564 f71805f_write16(data, F71805F_REG_FAN_LOW(nr), data->fan_low[nr]);
565 mutex_unlock(&data->update_lock);
570 static ssize_t set_fan_target(struct device *dev, struct device_attribute
571 *devattr, const char *buf, size_t count)
573 struct f71805f_data *data = dev_get_drvdata(dev);
574 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
575 int nr = attr->index;
576 long val = simple_strtol(buf, NULL, 10);
578 mutex_lock(&data->update_lock);
579 data->fan_target[nr] = fan_to_reg(val);
580 f71805f_write16(data, F71805F_REG_FAN_TARGET(nr),
581 data->fan_target[nr]);
582 mutex_unlock(&data->update_lock);
587 static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr,
590 struct f71805f_data *data = f71805f_update_device(dev);
591 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
592 int nr = attr->index;
594 return sprintf(buf, "%d\n", (int)data->pwm[nr]);
597 static ssize_t show_pwm_enable(struct device *dev, struct device_attribute
600 struct f71805f_data *data = f71805f_update_device(dev);
601 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
602 int nr = attr->index;
605 switch (data->fan_ctrl[nr] & FAN_CTRL_MODE_MASK) {
606 case FAN_CTRL_MODE_SPEED:
609 case FAN_CTRL_MODE_TEMPERATURE:
612 default: /* MANUAL */
616 return sprintf(buf, "%d\n", mode);
619 static ssize_t show_pwm_freq(struct device *dev, struct device_attribute
622 struct f71805f_data *data = f71805f_update_device(dev);
623 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
624 int nr = attr->index;
626 return sprintf(buf, "%lu\n", pwm_freq_from_reg(data->pwm_freq[nr]));
629 static ssize_t show_pwm_mode(struct device *dev, struct device_attribute
632 struct f71805f_data *data = f71805f_update_device(dev);
633 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
634 int nr = attr->index;
636 return sprintf(buf, "%d\n", pwm_mode_from_reg(data->fan_ctrl[nr]));
639 static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr,
640 const char *buf, size_t count)
642 struct f71805f_data *data = dev_get_drvdata(dev);
643 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
644 int nr = attr->index;
645 unsigned long val = simple_strtoul(buf, NULL, 10);
650 mutex_lock(&data->update_lock);
652 f71805f_write8(data, F71805F_REG_PWM_DUTY(nr), data->pwm[nr]);
653 mutex_unlock(&data->update_lock);
658 static struct attribute *f71805f_attr_pwm[];
660 static ssize_t set_pwm_enable(struct device *dev, struct device_attribute
661 *devattr, const char *buf, size_t count)
663 struct f71805f_data *data = dev_get_drvdata(dev);
664 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
665 int nr = attr->index;
666 unsigned long val = simple_strtoul(buf, NULL, 10);
669 if (val < 1 || val > 3)
672 if (val > 1) { /* Automatic mode, user can't set PWM value */
673 if (sysfs_chmod_file(&dev->kobj, f71805f_attr_pwm[nr],
675 dev_dbg(dev, "chmod -w pwm%d failed\n", nr + 1);
678 mutex_lock(&data->update_lock);
679 reg = f71805f_read8(data, F71805F_REG_FAN_CTRL(nr))
680 & ~FAN_CTRL_MODE_MASK;
683 reg |= FAN_CTRL_MODE_MANUAL;
686 reg |= FAN_CTRL_MODE_TEMPERATURE;
689 reg |= FAN_CTRL_MODE_SPEED;
692 data->fan_ctrl[nr] = reg;
693 f71805f_write8(data, F71805F_REG_FAN_CTRL(nr), reg);
694 mutex_unlock(&data->update_lock);
696 if (val == 1) { /* Manual mode, user can set PWM value */
697 if (sysfs_chmod_file(&dev->kobj, f71805f_attr_pwm[nr],
699 dev_dbg(dev, "chmod +w pwm%d failed\n", nr + 1);
705 static ssize_t set_pwm_freq(struct device *dev, struct device_attribute
706 *devattr, const char *buf, size_t count)
708 struct f71805f_data *data = dev_get_drvdata(dev);
709 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
710 int nr = attr->index;
711 unsigned long val = simple_strtoul(buf, NULL, 10);
713 mutex_lock(&data->update_lock);
714 data->pwm_freq[nr] = pwm_freq_to_reg(val);
715 f71805f_write8(data, F71805F_REG_PWM_FREQ(nr), data->pwm_freq[nr]);
716 mutex_unlock(&data->update_lock);
721 static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,
724 struct f71805f_data *data = f71805f_update_device(dev);
725 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
726 int nr = attr->index;
728 return sprintf(buf, "%ld\n", temp_from_reg(data->temp[nr]));
731 static ssize_t show_temp_max(struct device *dev, struct device_attribute
734 struct f71805f_data *data = f71805f_update_device(dev);
735 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
736 int nr = attr->index;
738 return sprintf(buf, "%ld\n", temp_from_reg(data->temp_high[nr]));
741 static ssize_t show_temp_hyst(struct device *dev, struct device_attribute
744 struct f71805f_data *data = f71805f_update_device(dev);
745 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
746 int nr = attr->index;
748 return sprintf(buf, "%ld\n", temp_from_reg(data->temp_hyst[nr]));
751 static ssize_t show_temp_type(struct device *dev, struct device_attribute
754 struct f71805f_data *data = f71805f_update_device(dev);
755 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
756 int nr = attr->index;
758 /* 3 is diode, 4 is thermistor */
759 return sprintf(buf, "%u\n", (data->temp_mode & (1 << nr)) ? 3 : 4);
762 static ssize_t set_temp_max(struct device *dev, struct device_attribute
763 *devattr, const char *buf, size_t count)
765 struct f71805f_data *data = dev_get_drvdata(dev);
766 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
767 int nr = attr->index;
768 long val = simple_strtol(buf, NULL, 10);
770 mutex_lock(&data->update_lock);
771 data->temp_high[nr] = temp_to_reg(val);
772 f71805f_write8(data, F71805F_REG_TEMP_HIGH(nr), data->temp_high[nr]);
773 mutex_unlock(&data->update_lock);
778 static ssize_t set_temp_hyst(struct device *dev, struct device_attribute
779 *devattr, const char *buf, size_t count)
781 struct f71805f_data *data = dev_get_drvdata(dev);
782 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
783 int nr = attr->index;
784 long val = simple_strtol(buf, NULL, 10);
786 mutex_lock(&data->update_lock);
787 data->temp_hyst[nr] = temp_to_reg(val);
788 f71805f_write8(data, F71805F_REG_TEMP_HYST(nr), data->temp_hyst[nr]);
789 mutex_unlock(&data->update_lock);
794 static ssize_t show_alarms_in(struct device *dev, struct device_attribute
797 struct f71805f_data *data = f71805f_update_device(dev);
799 return sprintf(buf, "%lu\n", data->alarms & 0x7ff);
802 static ssize_t show_alarms_fan(struct device *dev, struct device_attribute
805 struct f71805f_data *data = f71805f_update_device(dev);
807 return sprintf(buf, "%lu\n", (data->alarms >> 16) & 0x07);
810 static ssize_t show_alarms_temp(struct device *dev, struct device_attribute
813 struct f71805f_data *data = f71805f_update_device(dev);
815 return sprintf(buf, "%lu\n", (data->alarms >> 11) & 0x07);
818 static ssize_t show_alarm(struct device *dev, struct device_attribute
821 struct f71805f_data *data = f71805f_update_device(dev);
822 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
823 int bitnr = attr->index;
825 return sprintf(buf, "%lu\n", (data->alarms >> bitnr) & 1);
828 static ssize_t show_name(struct device *dev, struct device_attribute
831 struct f71805f_data *data = dev_get_drvdata(dev);
833 return sprintf(buf, "%s\n", data->name);
836 static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_in0, NULL, 0);
837 static SENSOR_DEVICE_ATTR(in0_max, S_IRUGO| S_IWUSR,
838 show_in0_max, set_in0_max, 0);
839 static SENSOR_DEVICE_ATTR(in0_min, S_IRUGO| S_IWUSR,
840 show_in0_min, set_in0_min, 0);
841 static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 1);
842 static SENSOR_DEVICE_ATTR(in1_max, S_IRUGO | S_IWUSR,
843 show_in_max, set_in_max, 1);
844 static SENSOR_DEVICE_ATTR(in1_min, S_IRUGO | S_IWUSR,
845 show_in_min, set_in_min, 1);
846 static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in, NULL, 2);
847 static SENSOR_DEVICE_ATTR(in2_max, S_IRUGO | S_IWUSR,
848 show_in_max, set_in_max, 2);
849 static SENSOR_DEVICE_ATTR(in2_min, S_IRUGO | S_IWUSR,
850 show_in_min, set_in_min, 2);
851 static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in, NULL, 3);
852 static SENSOR_DEVICE_ATTR(in3_max, S_IRUGO | S_IWUSR,
853 show_in_max, set_in_max, 3);
854 static SENSOR_DEVICE_ATTR(in3_min, S_IRUGO | S_IWUSR,
855 show_in_min, set_in_min, 3);
856 static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_in, NULL, 4);
857 static SENSOR_DEVICE_ATTR(in4_max, S_IRUGO | S_IWUSR,
858 show_in_max, set_in_max, 4);
859 static SENSOR_DEVICE_ATTR(in4_min, S_IRUGO | S_IWUSR,
860 show_in_min, set_in_min, 4);
861 static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_in, NULL, 5);
862 static SENSOR_DEVICE_ATTR(in5_max, S_IRUGO | S_IWUSR,
863 show_in_max, set_in_max, 5);
864 static SENSOR_DEVICE_ATTR(in5_min, S_IRUGO | S_IWUSR,
865 show_in_min, set_in_min, 5);
866 static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_in, NULL, 6);
867 static SENSOR_DEVICE_ATTR(in6_max, S_IRUGO | S_IWUSR,
868 show_in_max, set_in_max, 6);
869 static SENSOR_DEVICE_ATTR(in6_min, S_IRUGO | S_IWUSR,
870 show_in_min, set_in_min, 6);
871 static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_in, NULL, 7);
872 static SENSOR_DEVICE_ATTR(in7_max, S_IRUGO | S_IWUSR,
873 show_in_max, set_in_max, 7);
874 static SENSOR_DEVICE_ATTR(in7_min, S_IRUGO | S_IWUSR,
875 show_in_min, set_in_min, 7);
876 static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_in, NULL, 8);
877 static SENSOR_DEVICE_ATTR(in8_max, S_IRUGO | S_IWUSR,
878 show_in_max, set_in_max, 8);
879 static SENSOR_DEVICE_ATTR(in8_min, S_IRUGO | S_IWUSR,
880 show_in_min, set_in_min, 8);
881 static SENSOR_DEVICE_ATTR(in9_input, S_IRUGO, show_in0, NULL, 9);
882 static SENSOR_DEVICE_ATTR(in9_max, S_IRUGO | S_IWUSR,
883 show_in0_max, set_in0_max, 9);
884 static SENSOR_DEVICE_ATTR(in9_min, S_IRUGO | S_IWUSR,
885 show_in0_min, set_in0_min, 9);
886 static SENSOR_DEVICE_ATTR(in10_input, S_IRUGO, show_in0, NULL, 10);
887 static SENSOR_DEVICE_ATTR(in10_max, S_IRUGO | S_IWUSR,
888 show_in0_max, set_in0_max, 10);
889 static SENSOR_DEVICE_ATTR(in10_min, S_IRUGO | S_IWUSR,
890 show_in0_min, set_in0_min, 10);
892 static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0);
893 static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO | S_IWUSR,
894 show_fan_min, set_fan_min, 0);
895 static SENSOR_DEVICE_ATTR(fan1_target, S_IRUGO | S_IWUSR,
896 show_fan_target, set_fan_target, 0);
897 static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1);
898 static SENSOR_DEVICE_ATTR(fan2_min, S_IRUGO | S_IWUSR,
899 show_fan_min, set_fan_min, 1);
900 static SENSOR_DEVICE_ATTR(fan2_target, S_IRUGO | S_IWUSR,
901 show_fan_target, set_fan_target, 1);
902 static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2);
903 static SENSOR_DEVICE_ATTR(fan3_min, S_IRUGO | S_IWUSR,
904 show_fan_min, set_fan_min, 2);
905 static SENSOR_DEVICE_ATTR(fan3_target, S_IRUGO | S_IWUSR,
906 show_fan_target, set_fan_target, 2);
908 static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);
909 static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR,
910 show_temp_max, set_temp_max, 0);
911 static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR,
912 show_temp_hyst, set_temp_hyst, 0);
913 static SENSOR_DEVICE_ATTR(temp1_type, S_IRUGO, show_temp_type, NULL, 0);
914 static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1);
915 static SENSOR_DEVICE_ATTR(temp2_max, S_IRUGO | S_IWUSR,
916 show_temp_max, set_temp_max, 1);
917 static SENSOR_DEVICE_ATTR(temp2_max_hyst, S_IRUGO | S_IWUSR,
918 show_temp_hyst, set_temp_hyst, 1);
919 static SENSOR_DEVICE_ATTR(temp2_type, S_IRUGO, show_temp_type, NULL, 1);
920 static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2);
921 static SENSOR_DEVICE_ATTR(temp3_max, S_IRUGO | S_IWUSR,
922 show_temp_max, set_temp_max, 2);
923 static SENSOR_DEVICE_ATTR(temp3_max_hyst, S_IRUGO | S_IWUSR,
924 show_temp_hyst, set_temp_hyst, 2);
925 static SENSOR_DEVICE_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2);
927 /* pwm (value) files are created read-only, write permission is
928 then added or removed dynamically as needed */
929 static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO, show_pwm, set_pwm, 0);
930 static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR,
931 show_pwm_enable, set_pwm_enable, 0);
932 static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO | S_IWUSR,
933 show_pwm_freq, set_pwm_freq, 0);
934 static SENSOR_DEVICE_ATTR(pwm1_mode, S_IRUGO, show_pwm_mode, NULL, 0);
935 static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO, show_pwm, set_pwm, 1);
936 static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR,
937 show_pwm_enable, set_pwm_enable, 1);
938 static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO | S_IWUSR,
939 show_pwm_freq, set_pwm_freq, 1);
940 static SENSOR_DEVICE_ATTR(pwm2_mode, S_IRUGO, show_pwm_mode, NULL, 1);
941 static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO, show_pwm, set_pwm, 2);
942 static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR,
943 show_pwm_enable, set_pwm_enable, 2);
944 static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO | S_IWUSR,
945 show_pwm_freq, set_pwm_freq, 2);
946 static SENSOR_DEVICE_ATTR(pwm3_mode, S_IRUGO, show_pwm_mode, NULL, 2);
948 static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
949 static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
950 static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
951 static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
952 static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 4);
953 static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 5);
954 static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 6);
955 static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 7);
956 static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 8);
957 static SENSOR_DEVICE_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 9);
958 static SENSOR_DEVICE_ATTR(in10_alarm, S_IRUGO, show_alarm, NULL, 10);
959 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 11);
960 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 12);
961 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13);
962 static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 16);
963 static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 17);
964 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 18);
965 static DEVICE_ATTR(alarms_in, S_IRUGO, show_alarms_in, NULL);
966 static DEVICE_ATTR(alarms_fan, S_IRUGO, show_alarms_fan, NULL);
967 static DEVICE_ATTR(alarms_temp, S_IRUGO, show_alarms_temp, NULL);
969 static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
971 static struct attribute *f71805f_attributes[] = {
972 &sensor_dev_attr_in0_input.dev_attr.attr,
973 &sensor_dev_attr_in0_max.dev_attr.attr,
974 &sensor_dev_attr_in0_min.dev_attr.attr,
975 &sensor_dev_attr_in1_input.dev_attr.attr,
976 &sensor_dev_attr_in1_max.dev_attr.attr,
977 &sensor_dev_attr_in1_min.dev_attr.attr,
978 &sensor_dev_attr_in2_input.dev_attr.attr,
979 &sensor_dev_attr_in2_max.dev_attr.attr,
980 &sensor_dev_attr_in2_min.dev_attr.attr,
981 &sensor_dev_attr_in3_input.dev_attr.attr,
982 &sensor_dev_attr_in3_max.dev_attr.attr,
983 &sensor_dev_attr_in3_min.dev_attr.attr,
984 &sensor_dev_attr_in5_input.dev_attr.attr,
985 &sensor_dev_attr_in5_max.dev_attr.attr,
986 &sensor_dev_attr_in5_min.dev_attr.attr,
987 &sensor_dev_attr_in6_input.dev_attr.attr,
988 &sensor_dev_attr_in6_max.dev_attr.attr,
989 &sensor_dev_attr_in6_min.dev_attr.attr,
990 &sensor_dev_attr_in7_input.dev_attr.attr,
991 &sensor_dev_attr_in7_max.dev_attr.attr,
992 &sensor_dev_attr_in7_min.dev_attr.attr,
994 &sensor_dev_attr_temp1_input.dev_attr.attr,
995 &sensor_dev_attr_temp1_max.dev_attr.attr,
996 &sensor_dev_attr_temp1_max_hyst.dev_attr.attr,
997 &sensor_dev_attr_temp1_type.dev_attr.attr,
998 &sensor_dev_attr_temp2_input.dev_attr.attr,
999 &sensor_dev_attr_temp2_max.dev_attr.attr,
1000 &sensor_dev_attr_temp2_max_hyst.dev_attr.attr,
1001 &sensor_dev_attr_temp2_type.dev_attr.attr,
1002 &sensor_dev_attr_temp3_input.dev_attr.attr,
1003 &sensor_dev_attr_temp3_max.dev_attr.attr,
1004 &sensor_dev_attr_temp3_max_hyst.dev_attr.attr,
1005 &sensor_dev_attr_temp3_type.dev_attr.attr,
1007 &sensor_dev_attr_in0_alarm.dev_attr.attr,
1008 &sensor_dev_attr_in1_alarm.dev_attr.attr,
1009 &sensor_dev_attr_in2_alarm.dev_attr.attr,
1010 &sensor_dev_attr_in3_alarm.dev_attr.attr,
1011 &sensor_dev_attr_in5_alarm.dev_attr.attr,
1012 &sensor_dev_attr_in6_alarm.dev_attr.attr,
1013 &sensor_dev_attr_in7_alarm.dev_attr.attr,
1014 &dev_attr_alarms_in.attr,
1015 &sensor_dev_attr_temp1_alarm.dev_attr.attr,
1016 &sensor_dev_attr_temp2_alarm.dev_attr.attr,
1017 &sensor_dev_attr_temp3_alarm.dev_attr.attr,
1018 &dev_attr_alarms_temp.attr,
1019 &dev_attr_alarms_fan.attr,
1021 &dev_attr_name.attr,
1025 static const struct attribute_group f71805f_group = {
1026 .attrs = f71805f_attributes,
1029 static struct attribute *f71805f_attributes_optin[4][5] = {
1031 &sensor_dev_attr_in4_input.dev_attr.attr,
1032 &sensor_dev_attr_in4_max.dev_attr.attr,
1033 &sensor_dev_attr_in4_min.dev_attr.attr,
1034 &sensor_dev_attr_in4_alarm.dev_attr.attr,
1037 &sensor_dev_attr_in8_input.dev_attr.attr,
1038 &sensor_dev_attr_in8_max.dev_attr.attr,
1039 &sensor_dev_attr_in8_min.dev_attr.attr,
1040 &sensor_dev_attr_in8_alarm.dev_attr.attr,
1043 &sensor_dev_attr_in9_input.dev_attr.attr,
1044 &sensor_dev_attr_in9_max.dev_attr.attr,
1045 &sensor_dev_attr_in9_min.dev_attr.attr,
1046 &sensor_dev_attr_in9_alarm.dev_attr.attr,
1049 &sensor_dev_attr_in10_input.dev_attr.attr,
1050 &sensor_dev_attr_in10_max.dev_attr.attr,
1051 &sensor_dev_attr_in10_min.dev_attr.attr,
1052 &sensor_dev_attr_in10_alarm.dev_attr.attr,
1057 static const struct attribute_group f71805f_group_optin[4] = {
1058 { .attrs = f71805f_attributes_optin[0] },
1059 { .attrs = f71805f_attributes_optin[1] },
1060 { .attrs = f71805f_attributes_optin[2] },
1061 { .attrs = f71805f_attributes_optin[3] },
1064 static struct attribute *f71805f_attributes_fan[3][8] = {
1066 &sensor_dev_attr_fan1_input.dev_attr.attr,
1067 &sensor_dev_attr_fan1_min.dev_attr.attr,
1068 &sensor_dev_attr_fan1_alarm.dev_attr.attr,
1069 &sensor_dev_attr_fan1_target.dev_attr.attr,
1070 &sensor_dev_attr_pwm1.dev_attr.attr,
1071 &sensor_dev_attr_pwm1_enable.dev_attr.attr,
1072 &sensor_dev_attr_pwm1_mode.dev_attr.attr,
1075 &sensor_dev_attr_fan2_input.dev_attr.attr,
1076 &sensor_dev_attr_fan2_min.dev_attr.attr,
1077 &sensor_dev_attr_fan2_alarm.dev_attr.attr,
1078 &sensor_dev_attr_fan2_target.dev_attr.attr,
1079 &sensor_dev_attr_pwm2.dev_attr.attr,
1080 &sensor_dev_attr_pwm2_enable.dev_attr.attr,
1081 &sensor_dev_attr_pwm2_mode.dev_attr.attr,
1084 &sensor_dev_attr_fan3_input.dev_attr.attr,
1085 &sensor_dev_attr_fan3_min.dev_attr.attr,
1086 &sensor_dev_attr_fan3_alarm.dev_attr.attr,
1087 &sensor_dev_attr_fan3_target.dev_attr.attr,
1088 &sensor_dev_attr_pwm3.dev_attr.attr,
1089 &sensor_dev_attr_pwm3_enable.dev_attr.attr,
1090 &sensor_dev_attr_pwm3_mode.dev_attr.attr,
1095 static const struct attribute_group f71805f_group_fan[3] = {
1096 { .attrs = f71805f_attributes_fan[0] },
1097 { .attrs = f71805f_attributes_fan[1] },
1098 { .attrs = f71805f_attributes_fan[2] },
1101 /* We don't include pwm_freq files in the arrays above, because they must be
1102 created conditionally (only if pwm_mode is 1 == PWM) */
1103 static struct attribute *f71805f_attributes_pwm_freq[] = {
1104 &sensor_dev_attr_pwm1_freq.dev_attr.attr,
1105 &sensor_dev_attr_pwm2_freq.dev_attr.attr,
1106 &sensor_dev_attr_pwm3_freq.dev_attr.attr,
1110 static const struct attribute_group f71805f_group_pwm_freq = {
1111 .attrs = f71805f_attributes_pwm_freq,
1114 /* We also need an indexed access to pwmN files to toggle writability */
1115 static struct attribute *f71805f_attr_pwm[] = {
1116 &sensor_dev_attr_pwm1.dev_attr.attr,
1117 &sensor_dev_attr_pwm2.dev_attr.attr,
1118 &sensor_dev_attr_pwm3.dev_attr.attr,
1122 * Device registration and initialization
1125 static void __devinit f71805f_init_device(struct f71805f_data *data)
1130 reg = f71805f_read8(data, F71805F_REG_START);
1131 if ((reg & 0x41) != 0x01) {
1132 printk(KERN_DEBUG DRVNAME ": Starting monitoring "
1134 f71805f_write8(data, F71805F_REG_START, (reg | 0x01) & ~0x40);
1137 /* Fan monitoring can be disabled. If it is, we won't be polling
1138 the register values, and won't create the related sysfs files. */
1139 for (i = 0; i < 3; i++) {
1140 data->fan_ctrl[i] = f71805f_read8(data,
1141 F71805F_REG_FAN_CTRL(i));
1142 /* Clear latch full bit, else "speed mode" fan speed control
1144 if (data->fan_ctrl[i] & FAN_CTRL_LATCH_FULL) {
1145 data->fan_ctrl[i] &= ~FAN_CTRL_LATCH_FULL;
1146 f71805f_write8(data, F71805F_REG_FAN_CTRL(i),
1152 static int __devinit f71805f_probe(struct platform_device *pdev)
1154 struct f71805f_sio_data *sio_data = pdev->dev.platform_data;
1155 struct f71805f_data *data;
1156 struct resource *res;
1159 static const char *names[] = {
1164 if (!(data = kzalloc(sizeof(struct f71805f_data), GFP_KERNEL))) {
1166 printk(KERN_ERR DRVNAME ": Out of memory\n");
1170 res = platform_get_resource(pdev, IORESOURCE_IO, 0);
1171 data->addr = res->start;
1172 mutex_init(&data->lock);
1173 data->name = names[sio_data->kind];
1174 mutex_init(&data->update_lock);
1176 platform_set_drvdata(pdev, data);
1178 /* Some voltage inputs depend on chip model and configuration */
1179 switch (sio_data->kind) {
1181 data->has_in = 0x1ff;
1184 data->has_in = 0x6ef;
1185 if (sio_data->fnsel1 & 0x01)
1186 data->has_in |= (1 << 4); /* in4 */
1187 if (sio_data->fnsel1 & 0x02)
1188 data->has_in |= (1 << 8); /* in8 */
1192 /* Initialize the F71805F chip */
1193 f71805f_init_device(data);
1195 /* Register sysfs interface files */
1196 if ((err = sysfs_create_group(&pdev->dev.kobj, &f71805f_group)))
1198 if (data->has_in & (1 << 4)) { /* in4 */
1199 if ((err = sysfs_create_group(&pdev->dev.kobj,
1200 &f71805f_group_optin[0])))
1201 goto exit_remove_files;
1203 if (data->has_in & (1 << 8)) { /* in8 */
1204 if ((err = sysfs_create_group(&pdev->dev.kobj,
1205 &f71805f_group_optin[1])))
1206 goto exit_remove_files;
1208 if (data->has_in & (1 << 9)) { /* in9 (F71872F/FG only) */
1209 if ((err = sysfs_create_group(&pdev->dev.kobj,
1210 &f71805f_group_optin[2])))
1211 goto exit_remove_files;
1213 if (data->has_in & (1 << 10)) { /* in9 (F71872F/FG only) */
1214 if ((err = sysfs_create_group(&pdev->dev.kobj,
1215 &f71805f_group_optin[3])))
1216 goto exit_remove_files;
1218 for (i = 0; i < 3; i++) {
1219 if (data->fan_ctrl[i] & FAN_CTRL_SKIP)
1221 if ((err = sysfs_create_group(&pdev->dev.kobj,
1222 &f71805f_group_fan[i])))
1223 goto exit_remove_files;
1224 /* If control mode is PWM, create pwm_freq file */
1225 if (!(data->fan_ctrl[i] & FAN_CTRL_DC_MODE)) {
1226 if ((err = sysfs_create_file(&pdev->dev.kobj,
1227 f71805f_attributes_pwm_freq[i])))
1228 goto exit_remove_files;
1230 /* If PWM is in manual mode, add write permission */
1231 if (data->fan_ctrl[i] & FAN_CTRL_MODE_MANUAL) {
1232 if ((err = sysfs_chmod_file(&pdev->dev.kobj,
1233 f71805f_attr_pwm[i],
1234 S_IRUGO | S_IWUSR))) {
1235 dev_err(&pdev->dev, "chmod +w pwm%d failed\n",
1237 goto exit_remove_files;
1242 data->class_dev = hwmon_device_register(&pdev->dev);
1243 if (IS_ERR(data->class_dev)) {
1244 err = PTR_ERR(data->class_dev);
1245 dev_err(&pdev->dev, "Class registration failed (%d)\n", err);
1246 goto exit_remove_files;
1252 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group);
1253 for (i = 0; i < 4; i++)
1254 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_optin[i]);
1255 for (i = 0; i < 3; i++)
1256 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_fan[i]);
1257 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_pwm_freq);
1259 platform_set_drvdata(pdev, NULL);
1265 static int __devexit f71805f_remove(struct platform_device *pdev)
1267 struct f71805f_data *data = platform_get_drvdata(pdev);
1270 platform_set_drvdata(pdev, NULL);
1271 hwmon_device_unregister(data->class_dev);
1272 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group);
1273 for (i = 0; i < 4; i++)
1274 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_optin[i]);
1275 for (i = 0; i < 3; i++)
1276 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_fan[i]);
1277 sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_pwm_freq);
1283 static struct platform_driver f71805f_driver = {
1285 .owner = THIS_MODULE,
1288 .probe = f71805f_probe,
1289 .remove = __devexit_p(f71805f_remove),
1292 static int __init f71805f_device_add(unsigned short address,
1293 const struct f71805f_sio_data *sio_data)
1295 struct resource res = {
1297 .end = address + REGION_LENGTH - 1,
1298 .flags = IORESOURCE_IO,
1302 pdev = platform_device_alloc(DRVNAME, address);
1305 printk(KERN_ERR DRVNAME ": Device allocation failed\n");
1309 res.name = pdev->name;
1310 err = platform_device_add_resources(pdev, &res, 1);
1312 printk(KERN_ERR DRVNAME ": Device resource addition failed "
1314 goto exit_device_put;
1317 pdev->dev.platform_data = kmalloc(sizeof(struct f71805f_sio_data),
1319 if (!pdev->dev.platform_data) {
1321 printk(KERN_ERR DRVNAME ": Platform data allocation failed\n");
1322 goto exit_device_put;
1324 memcpy(pdev->dev.platform_data, sio_data,
1325 sizeof(struct f71805f_sio_data));
1327 err = platform_device_add(pdev);
1329 printk(KERN_ERR DRVNAME ": Device addition failed (%d)\n",
1331 goto exit_kfree_data;
1337 kfree(pdev->dev.platform_data);
1338 pdev->dev.platform_data = NULL;
1340 platform_device_put(pdev);
1345 static int __init f71805f_find(int sioaddr, unsigned short *address,
1346 struct f71805f_sio_data *sio_data)
1351 static const char *names[] = {
1356 superio_enter(sioaddr);
1358 devid = superio_inw(sioaddr, SIO_REG_MANID);
1359 if (devid != SIO_FINTEK_ID)
1362 devid = superio_inw(sioaddr, SIO_REG_DEVID);
1364 case SIO_F71805F_ID:
1365 sio_data->kind = f71805f;
1367 case SIO_F71872F_ID:
1368 sio_data->kind = f71872f;
1369 sio_data->fnsel1 = superio_inb(sioaddr, SIO_REG_FNSEL1);
1372 printk(KERN_INFO DRVNAME ": Unsupported Fintek device, "
1377 superio_select(sioaddr, F71805F_LD_HWM);
1378 if (!(superio_inb(sioaddr, SIO_REG_ENABLE) & 0x01)) {
1379 printk(KERN_WARNING DRVNAME ": Device not activated, "
1384 *address = superio_inw(sioaddr, SIO_REG_ADDR);
1385 if (*address == 0) {
1386 printk(KERN_WARNING DRVNAME ": Base address not set, "
1392 printk(KERN_INFO DRVNAME ": Found %s chip at %#x, revision %u\n",
1393 names[sio_data->kind], *address,
1394 superio_inb(sioaddr, SIO_REG_DEVREV));
1397 superio_exit(sioaddr);
1401 static int __init f71805f_init(void)
1404 unsigned short address;
1405 struct f71805f_sio_data sio_data;
1407 if (f71805f_find(0x2e, &address, &sio_data)
1408 && f71805f_find(0x4e, &address, &sio_data))
1411 err = platform_driver_register(&f71805f_driver);
1415 /* Sets global pdev as a side effect */
1416 err = f71805f_device_add(address, &sio_data);
1423 platform_driver_unregister(&f71805f_driver);
1428 static void __exit f71805f_exit(void)
1430 kfree(pdev->dev.platform_data);
1431 pdev->dev.platform_data = NULL;
1432 platform_device_unregister(pdev);
1434 platform_driver_unregister(&f71805f_driver);
1437 MODULE_AUTHOR("Jean Delvare <khali@linux-fr>");
1438 MODULE_LICENSE("GPL");
1439 MODULE_DESCRIPTION("F71805F/F71872F hardware monitoring driver");
1441 module_init(f71805f_init);
1442 module_exit(f71805f_exit);