2 * pc87360.c - Part of lm_sensors, Linux kernel modules
3 * for hardware monitoring
4 * Copyright (C) 2004 Jean Delvare <khali@linux-fr.org>
6 * Copied from smsc47m1.c:
7 * Copyright (C) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 * Supports the following chips:
25 * Chip #vin #fan #pwm #temp devid
26 * PC87360 - 2 2 - 0xE1
27 * PC87363 - 2 2 - 0xE8
28 * PC87364 - 3 3 - 0xE4
29 * PC87365 11 3 3 2 0xE5
30 * PC87366 11 3 3 3-4 0xE9
32 * This driver assumes that no more than one chip is present, and one of
33 * the standard Super-I/O addresses is used (0x2E/0x2F or 0x4E/0x4F).
36 #include <linux/module.h>
37 #include <linux/init.h>
38 #include <linux/slab.h>
39 #include <linux/jiffies.h>
40 #include <linux/i2c.h>
41 #include <linux/i2c-isa.h>
42 #include <linux/hwmon.h>
43 #include <linux/hwmon-sysfs.h>
44 #include <linux/hwmon-vid.h>
45 #include <linux/err.h>
49 static unsigned short address;
50 static unsigned short extra_isa[3];
53 enum chips { any_chip, pc87360, pc87363, pc87364, pc87365, pc87366 };
56 module_param(init, int, 0);
57 MODULE_PARM_DESC(init,
58 "Chip initialization level:\n"
60 "*1: Forcibly enable internal voltage and temperature channels, except in9\n"
61 " 2: Forcibly enable all voltage and temperature channels, except in9\n"
62 " 3: Forcibly enable all voltage and temperature channels, including in9");
65 * Super-I/O registers and operations
68 #define DEV 0x07 /* Register: Logical device select */
69 #define DEVID 0x20 /* Register: Device ID */
70 #define ACT 0x30 /* Register: Device activation */
71 #define BASE 0x60 /* Register: Base address */
73 #define FSCM 0x09 /* Logical device: fans */
74 #define VLM 0x0d /* Logical device: voltages */
75 #define TMS 0x0e /* Logical device: temperatures */
76 static const u8 logdev[3] = { FSCM, VLM, TMS };
82 static inline void superio_outb(int sioaddr, int reg, int val)
88 static inline int superio_inb(int sioaddr, int reg)
91 return inb(sioaddr+1);
94 static inline void superio_exit(int sioaddr)
97 outb(0x02, sioaddr+1);
104 #define PC87360_EXTENT 0x10
105 #define PC87365_REG_BANK 0x09
109 * Fan registers and conversions
112 /* nr has to be 0 or 1 (PC87360/87363) or 2 (PC87364/87365/87366) */
113 #define PC87360_REG_PRESCALE(nr) (0x00 + 2 * (nr))
114 #define PC87360_REG_PWM(nr) (0x01 + 2 * (nr))
115 #define PC87360_REG_FAN_MIN(nr) (0x06 + 3 * (nr))
116 #define PC87360_REG_FAN(nr) (0x07 + 3 * (nr))
117 #define PC87360_REG_FAN_STATUS(nr) (0x08 + 3 * (nr))
119 #define FAN_FROM_REG(val,div) ((val) == 0 ? 0: \
120 480000 / ((val)*(div)))
121 #define FAN_TO_REG(val,div) ((val) <= 100 ? 0 : \
122 480000 / ((val)*(div)))
123 #define FAN_DIV_FROM_REG(val) (1 << ((val >> 5) & 0x03))
124 #define FAN_STATUS_FROM_REG(val) ((val) & 0x07)
126 #define FAN_CONFIG_MONITOR(val,nr) (((val) >> (2 + nr * 3)) & 1)
127 #define FAN_CONFIG_CONTROL(val,nr) (((val) >> (3 + nr * 3)) & 1)
128 #define FAN_CONFIG_INVERT(val,nr) (((val) >> (4 + nr * 3)) & 1)
130 #define PWM_FROM_REG(val,inv) ((inv) ? 255 - (val) : (val))
131 static inline u8 PWM_TO_REG(int val, int inv)
143 * Voltage registers and conversions
146 #define PC87365_REG_IN_CONVRATE 0x07
147 #define PC87365_REG_IN_CONFIG 0x08
148 #define PC87365_REG_IN 0x0B
149 #define PC87365_REG_IN_MIN 0x0D
150 #define PC87365_REG_IN_MAX 0x0C
151 #define PC87365_REG_IN_STATUS 0x0A
152 #define PC87365_REG_IN_ALARMS1 0x00
153 #define PC87365_REG_IN_ALARMS2 0x01
154 #define PC87365_REG_VID 0x06
156 #define IN_FROM_REG(val,ref) (((val) * (ref) + 128) / 256)
157 #define IN_TO_REG(val,ref) ((val) < 0 ? 0 : \
158 (val)*256 >= (ref)*255 ? 255: \
159 ((val) * 256 + (ref)/2) / (ref))
162 * Temperature registers and conversions
165 #define PC87365_REG_TEMP_CONFIG 0x08
166 #define PC87365_REG_TEMP 0x0B
167 #define PC87365_REG_TEMP_MIN 0x0D
168 #define PC87365_REG_TEMP_MAX 0x0C
169 #define PC87365_REG_TEMP_CRIT 0x0E
170 #define PC87365_REG_TEMP_STATUS 0x0A
171 #define PC87365_REG_TEMP_ALARMS 0x00
173 #define TEMP_FROM_REG(val) ((val) * 1000)
174 #define TEMP_TO_REG(val) ((val) < -55000 ? -55 : \
175 (val) > 127000 ? 127 : \
176 (val) < 0 ? ((val) - 500) / 1000 : \
177 ((val) + 500) / 1000)
180 * Client data (each client gets its own)
183 struct pc87360_data {
184 struct i2c_client client;
185 struct class_device *class_dev;
186 struct semaphore lock;
187 struct semaphore update_lock;
188 char valid; /* !=0 if following fields are valid */
189 unsigned long last_updated; /* In jiffies */
193 u8 fannr, innr, tempnr;
195 u8 fan[3]; /* Register value */
196 u8 fan_min[3]; /* Register value */
197 u8 fan_status[3]; /* Register value */
198 u8 pwm[3]; /* Register value */
199 u16 fan_conf; /* Configuration register values, combined */
201 u16 in_vref; /* 1 mV/bit */
202 u8 in[14]; /* Register value */
203 u8 in_min[14]; /* Register value */
204 u8 in_max[14]; /* Register value */
205 u8 in_crit[3]; /* Register value */
206 u8 in_status[14]; /* Register value */
207 u16 in_alarms; /* Register values, combined, masked */
208 u8 vid_conf; /* Configuration register value */
210 u8 vid; /* Register value */
212 s8 temp[3]; /* Register value */
213 s8 temp_min[3]; /* Register value */
214 s8 temp_max[3]; /* Register value */
215 s8 temp_crit[3]; /* Register value */
216 u8 temp_status[3]; /* Register value */
217 u8 temp_alarms; /* Register value, masked */
221 * Functions declaration
224 static int pc87360_detect(struct i2c_adapter *adapter);
225 static int pc87360_detach_client(struct i2c_client *client);
227 static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank,
229 static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank,
231 static void pc87360_init_client(struct i2c_client *client, int use_thermistors);
232 static struct pc87360_data *pc87360_update_device(struct device *dev);
235 * Driver data (common to all clients)
238 static struct i2c_driver pc87360_driver = {
240 .owner = THIS_MODULE,
243 .attach_adapter = pc87360_detect,
244 .detach_client = pc87360_detach_client,
251 static ssize_t show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf)
253 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
254 struct pc87360_data *data = pc87360_update_device(dev);
255 return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan[attr->index],
256 FAN_DIV_FROM_REG(data->fan_status[attr->index])));
258 static ssize_t show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf)
260 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
261 struct pc87360_data *data = pc87360_update_device(dev);
262 return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan_min[attr->index],
263 FAN_DIV_FROM_REG(data->fan_status[attr->index])));
265 static ssize_t show_fan_div(struct device *dev, struct device_attribute *devattr, char *buf)
267 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
268 struct pc87360_data *data = pc87360_update_device(dev);
269 return sprintf(buf, "%u\n",
270 FAN_DIV_FROM_REG(data->fan_status[attr->index]));
272 static ssize_t show_fan_status(struct device *dev, struct device_attribute *devattr, char *buf)
274 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
275 struct pc87360_data *data = pc87360_update_device(dev);
276 return sprintf(buf, "%u\n",
277 FAN_STATUS_FROM_REG(data->fan_status[attr->index]));
279 static ssize_t set_fan_min(struct device *dev, struct device_attribute *devattr, const char *buf,
282 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
283 struct i2c_client *client = to_i2c_client(dev);
284 struct pc87360_data *data = i2c_get_clientdata(client);
285 long fan_min = simple_strtol(buf, NULL, 10);
287 down(&data->update_lock);
288 fan_min = FAN_TO_REG(fan_min, FAN_DIV_FROM_REG(data->fan_status[attr->index]));
290 /* If it wouldn't fit, change clock divisor */
292 && (data->fan_status[attr->index] & 0x60) != 0x60) {
294 data->fan[attr->index] >>= 1;
295 data->fan_status[attr->index] += 0x20;
297 data->fan_min[attr->index] = fan_min > 255 ? 255 : fan_min;
298 pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_MIN(attr->index),
299 data->fan_min[attr->index]);
301 /* Write new divider, preserve alarm bits */
302 pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_STATUS(attr->index),
303 data->fan_status[attr->index] & 0xF9);
304 up(&data->update_lock);
309 #define show_and_set_fan(offset) \
310 static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, \
311 show_fan_input, NULL, offset-1); \
312 static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IWUSR | S_IRUGO, \
313 show_fan_min, set_fan_min, offset-1); \
314 static SENSOR_DEVICE_ATTR(fan##offset##_div, S_IRUGO, \
315 show_fan_div, NULL, offset-1); \
316 static SENSOR_DEVICE_ATTR(fan##offset##_status, S_IRUGO, \
317 show_fan_status, NULL, offset-1);
322 static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr, char *buf)
324 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
325 struct pc87360_data *data = pc87360_update_device(dev);
326 return sprintf(buf, "%u\n",
327 PWM_FROM_REG(data->pwm[attr->index],
328 FAN_CONFIG_INVERT(data->fan_conf,
331 static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, const char *buf,
334 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
335 struct i2c_client *client = to_i2c_client(dev);
336 struct pc87360_data *data = i2c_get_clientdata(client);
337 long val = simple_strtol(buf, NULL, 10);
339 down(&data->update_lock);
340 data->pwm[attr->index] = PWM_TO_REG(val,
341 FAN_CONFIG_INVERT(data->fan_conf, attr->index));
342 pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_PWM(attr->index),
343 data->pwm[attr->index]);
344 up(&data->update_lock);
348 #define show_and_set_pwm(offset) \
349 static SENSOR_DEVICE_ATTR(pwm##offset, S_IWUSR | S_IRUGO, \
350 show_pwm, set_pwm, offset-1);
355 static ssize_t show_in_input(struct device *dev, struct device_attribute *devattr, char *buf)
357 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
358 struct pc87360_data *data = pc87360_update_device(dev);
359 return sprintf(buf, "%u\n", IN_FROM_REG(data->in[attr->index],
362 static ssize_t show_in_min(struct device *dev, struct device_attribute *devattr, char *buf)
364 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
365 struct pc87360_data *data = pc87360_update_device(dev);
366 return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[attr->index],
369 static ssize_t show_in_max(struct device *dev, struct device_attribute *devattr, char *buf)
371 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
372 struct pc87360_data *data = pc87360_update_device(dev);
373 return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[attr->index],
376 static ssize_t show_in_status(struct device *dev, struct device_attribute *devattr, char *buf)
378 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
379 struct pc87360_data *data = pc87360_update_device(dev);
380 return sprintf(buf, "%u\n", data->in_status[attr->index]);
382 static ssize_t set_in_min(struct device *dev, struct device_attribute *devattr, const char *buf,
385 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
386 struct i2c_client *client = to_i2c_client(dev);
387 struct pc87360_data *data = i2c_get_clientdata(client);
388 long val = simple_strtol(buf, NULL, 10);
390 down(&data->update_lock);
391 data->in_min[attr->index] = IN_TO_REG(val, data->in_vref);
392 pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_IN_MIN,
393 data->in_min[attr->index]);
394 up(&data->update_lock);
397 static ssize_t set_in_max(struct device *dev, struct device_attribute *devattr, const char *buf,
400 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
401 struct i2c_client *client = to_i2c_client(dev);
402 struct pc87360_data *data = i2c_get_clientdata(client);
403 long val = simple_strtol(buf, NULL, 10);
405 down(&data->update_lock);
406 data->in_max[attr->index] = IN_TO_REG(val,
408 pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_IN_MAX,
409 data->in_max[attr->index]);
410 up(&data->update_lock);
414 #define show_and_set_in(offset) \
415 static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \
416 show_in_input, NULL, offset); \
417 static SENSOR_DEVICE_ATTR(in##offset##_min, S_IWUSR | S_IRUGO, \
418 show_in_min, set_in_min, offset); \
419 static SENSOR_DEVICE_ATTR(in##offset##_max, S_IWUSR | S_IRUGO, \
420 show_in_max, set_in_max, offset); \
421 static SENSOR_DEVICE_ATTR(in##offset##_status, S_IRUGO, \
422 show_in_status, NULL, offset);
435 static ssize_t show_therm_input(struct device *dev, struct device_attribute *devattr, char *buf)
437 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
438 struct pc87360_data *data = pc87360_update_device(dev);
439 return sprintf(buf, "%u\n", IN_FROM_REG(data->in[attr->index],
442 static ssize_t show_therm_min(struct device *dev, struct device_attribute *devattr, char *buf)
444 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
445 struct pc87360_data *data = pc87360_update_device(dev);
446 return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[attr->index],
449 static ssize_t show_therm_max(struct device *dev, struct device_attribute *devattr, char *buf)
451 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
452 struct pc87360_data *data = pc87360_update_device(dev);
453 return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[attr->index],
456 static ssize_t show_therm_crit(struct device *dev, struct device_attribute *devattr, char *buf)
458 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
459 struct pc87360_data *data = pc87360_update_device(dev);
460 return sprintf(buf, "%u\n", IN_FROM_REG(data->in_crit[attr->index-11],
463 static ssize_t show_therm_status(struct device *dev, struct device_attribute *devattr, char *buf)
465 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
466 struct pc87360_data *data = pc87360_update_device(dev);
467 return sprintf(buf, "%u\n", data->in_status[attr->index]);
469 static ssize_t set_therm_min(struct device *dev, struct device_attribute *devattr, const char *buf,
472 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
473 struct i2c_client *client = to_i2c_client(dev);
474 struct pc87360_data *data = i2c_get_clientdata(client);
475 long val = simple_strtol(buf, NULL, 10);
477 down(&data->update_lock);
478 data->in_min[attr->index] = IN_TO_REG(val, data->in_vref);
479 pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_MIN,
480 data->in_min[attr->index]);
481 up(&data->update_lock);
484 static ssize_t set_therm_max(struct device *dev, struct device_attribute *devattr, const char *buf,
487 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
488 struct i2c_client *client = to_i2c_client(dev);
489 struct pc87360_data *data = i2c_get_clientdata(client);
490 long val = simple_strtol(buf, NULL, 10);
492 down(&data->update_lock);
493 data->in_max[attr->index] = IN_TO_REG(val, data->in_vref);
494 pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_MAX,
495 data->in_max[attr->index]);
496 up(&data->update_lock);
499 static ssize_t set_therm_crit(struct device *dev, struct device_attribute *devattr, const char *buf,
502 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
503 struct i2c_client *client = to_i2c_client(dev);
504 struct pc87360_data *data = i2c_get_clientdata(client);
505 long val = simple_strtol(buf, NULL, 10);
507 down(&data->update_lock);
508 data->in_crit[attr->index-11] = IN_TO_REG(val, data->in_vref);
509 pc87360_write_value(data, LD_IN, attr->index, PC87365_REG_TEMP_CRIT,
510 data->in_crit[attr->index-11]);
511 up(&data->update_lock);
515 #define show_and_set_therm(offset) \
516 static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \
517 show_therm_input, NULL, 11+offset-4); \
518 static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IWUSR | S_IRUGO, \
519 show_therm_min, set_therm_min, 11+offset-4); \
520 static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IWUSR | S_IRUGO, \
521 show_therm_max, set_therm_max, 11+offset-4); \
522 static SENSOR_DEVICE_ATTR(temp##offset##_crit, S_IWUSR | S_IRUGO, \
523 show_therm_crit, set_therm_crit, 11+offset-4); \
524 static SENSOR_DEVICE_ATTR(temp##offset##_status, S_IRUGO, \
525 show_therm_status, NULL, 11+offset-4);
526 show_and_set_therm(4)
527 show_and_set_therm(5)
528 show_and_set_therm(6)
530 static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf)
532 struct pc87360_data *data = pc87360_update_device(dev);
533 return sprintf(buf, "%u\n", vid_from_reg(data->vid, data->vrm));
535 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
537 static ssize_t show_vrm(struct device *dev, struct device_attribute *attr, char *buf)
539 struct pc87360_data *data = pc87360_update_device(dev);
540 return sprintf(buf, "%u\n", data->vrm);
542 static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
544 struct i2c_client *client = to_i2c_client(dev);
545 struct pc87360_data *data = i2c_get_clientdata(client);
546 data->vrm = simple_strtoul(buf, NULL, 10);
549 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm);
551 static ssize_t show_in_alarms(struct device *dev, struct device_attribute *attr, char *buf)
553 struct pc87360_data *data = pc87360_update_device(dev);
554 return sprintf(buf, "%u\n", data->in_alarms);
556 static DEVICE_ATTR(alarms_in, S_IRUGO, show_in_alarms, NULL);
558 static ssize_t show_temp_input(struct device *dev, struct device_attribute *devattr, char *buf)
560 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
561 struct pc87360_data *data = pc87360_update_device(dev);
562 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[attr->index]));
564 static ssize_t show_temp_min(struct device *dev, struct device_attribute *devattr, char *buf)
566 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
567 struct pc87360_data *data = pc87360_update_device(dev);
568 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[attr->index]));
570 static ssize_t show_temp_max(struct device *dev, struct device_attribute *devattr, char *buf)
572 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
573 struct pc87360_data *data = pc87360_update_device(dev);
574 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[attr->index]));
576 static ssize_t show_temp_crit(struct device *dev, struct device_attribute *devattr, char *buf)
578 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
579 struct pc87360_data *data = pc87360_update_device(dev);
580 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit[attr->index]));
582 static ssize_t show_temp_status(struct device *dev, struct device_attribute *devattr, char *buf)
584 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
585 struct pc87360_data *data = pc87360_update_device(dev);
586 return sprintf(buf, "%d\n", data->temp_status[attr->index]);
588 static ssize_t set_temp_min(struct device *dev, struct device_attribute *devattr, const char *buf,
591 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
592 struct i2c_client *client = to_i2c_client(dev);
593 struct pc87360_data *data = i2c_get_clientdata(client);
594 long val = simple_strtol(buf, NULL, 10);
596 down(&data->update_lock);
597 data->temp_min[attr->index] = TEMP_TO_REG(val);
598 pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_MIN,
599 data->temp_min[attr->index]);
600 up(&data->update_lock);
603 static ssize_t set_temp_max(struct device *dev, struct device_attribute *devattr, const char *buf,
606 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
607 struct i2c_client *client = to_i2c_client(dev);
608 struct pc87360_data *data = i2c_get_clientdata(client);
609 long val = simple_strtol(buf, NULL, 10);
611 down(&data->update_lock);
612 data->temp_max[attr->index] = TEMP_TO_REG(val);
613 pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_MAX,
614 data->temp_max[attr->index]);
615 up(&data->update_lock);
618 static ssize_t set_temp_crit(struct device *dev, struct device_attribute *devattr, const char *buf,
621 struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
622 struct i2c_client *client = to_i2c_client(dev);
623 struct pc87360_data *data = i2c_get_clientdata(client);
624 long val = simple_strtol(buf, NULL, 10);
626 down(&data->update_lock);
627 data->temp_crit[attr->index] = TEMP_TO_REG(val);
628 pc87360_write_value(data, LD_TEMP, attr->index, PC87365_REG_TEMP_CRIT,
629 data->temp_crit[attr->index]);
630 up(&data->update_lock);
634 #define show_and_set_temp(offset) \
635 static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \
636 show_temp_input, NULL, offset-1); \
637 static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IWUSR | S_IRUGO, \
638 show_temp_min, set_temp_min, offset-1); \
639 static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IWUSR | S_IRUGO, \
640 show_temp_max, set_temp_max, offset-1); \
641 static SENSOR_DEVICE_ATTR(temp##offset##_crit, S_IWUSR | S_IRUGO, \
642 show_temp_crit, set_temp_crit, offset-1); \
643 static SENSOR_DEVICE_ATTR(temp##offset##_status, S_IRUGO, \
644 show_temp_status, NULL, offset-1);
649 static ssize_t show_temp_alarms(struct device *dev, struct device_attribute *attr, char *buf)
651 struct pc87360_data *data = pc87360_update_device(dev);
652 return sprintf(buf, "%u\n", data->temp_alarms);
654 static DEVICE_ATTR(alarms_temp, S_IRUGO, show_temp_alarms, NULL);
657 * Device detection, registration and update
660 static int __init pc87360_find(int sioaddr, u8 *devid, unsigned short *addresses)
664 int nrdev; /* logical device count */
666 /* No superio_enter */
668 /* Identify device */
669 val = superio_inb(sioaddr, DEVID);
671 case 0xE1: /* PC87360 */
672 case 0xE8: /* PC87363 */
673 case 0xE4: /* PC87364 */
676 case 0xE5: /* PC87365 */
677 case 0xE9: /* PC87366 */
681 superio_exit(sioaddr);
684 /* Remember the device id */
687 for (i = 0; i < nrdev; i++) {
688 /* select logical device */
689 superio_outb(sioaddr, DEV, logdev[i]);
691 val = superio_inb(sioaddr, ACT);
693 printk(KERN_INFO "pc87360: Device 0x%02x not "
694 "activated\n", logdev[i]);
698 val = (superio_inb(sioaddr, BASE) << 8)
699 | superio_inb(sioaddr, BASE + 1);
701 printk(KERN_INFO "pc87360: Base address not set for "
702 "device 0x%02x\n", logdev[i]);
708 if (i==0) { /* Fans */
709 confreg[0] = superio_inb(sioaddr, 0xF0);
710 confreg[1] = superio_inb(sioaddr, 0xF1);
713 printk(KERN_DEBUG "pc87360: Fan 1: mon=%d "
714 "ctrl=%d inv=%d\n", (confreg[0]>>2)&1,
715 (confreg[0]>>3)&1, (confreg[0]>>4)&1);
716 printk(KERN_DEBUG "pc87360: Fan 2: mon=%d "
717 "ctrl=%d inv=%d\n", (confreg[0]>>5)&1,
718 (confreg[0]>>6)&1, (confreg[0]>>7)&1);
719 printk(KERN_DEBUG "pc87360: Fan 3: mon=%d "
720 "ctrl=%d inv=%d\n", confreg[1]&1,
721 (confreg[1]>>1)&1, (confreg[1]>>2)&1);
723 } else if (i==1) { /* Voltages */
724 /* Are we using thermistors? */
725 if (*devid == 0xE9) { /* PC87366 */
726 /* These registers are not logical-device
727 specific, just that we won't need them if
728 we don't use the VLM device */
729 confreg[2] = superio_inb(sioaddr, 0x2B);
730 confreg[3] = superio_inb(sioaddr, 0x25);
732 if (confreg[2] & 0x40) {
733 printk(KERN_INFO "pc87360: Using "
734 "thermistors for temperature "
737 if (confreg[3] & 0xE0) {
738 printk(KERN_INFO "pc87360: VID "
739 "inputs routed (mode %u)\n",
746 superio_exit(sioaddr);
750 static int pc87360_detect(struct i2c_adapter *adapter)
753 struct i2c_client *new_client;
754 struct pc87360_data *data;
756 const char *name = "pc87360";
757 int use_thermistors = 0;
759 if (!(data = kzalloc(sizeof(struct pc87360_data), GFP_KERNEL)))
762 new_client = &data->client;
763 i2c_set_clientdata(new_client, data);
764 new_client->addr = address;
765 init_MUTEX(&data->lock);
766 new_client->adapter = adapter;
767 new_client->driver = &pc87360_driver;
768 new_client->flags = 0;
784 data->fannr = extra_isa[0] ? 3 : 0;
785 data->innr = extra_isa[1] ? 11 : 0;
786 data->tempnr = extra_isa[2] ? 2 : 0;
790 data->fannr = extra_isa[0] ? 3 : 0;
791 data->innr = extra_isa[1] ? 14 : 0;
792 data->tempnr = extra_isa[2] ? 3 : 0;
796 strcpy(new_client->name, name);
798 init_MUTEX(&data->update_lock);
800 for (i = 0; i < 3; i++) {
801 if (((data->address[i] = extra_isa[i]))
802 && !request_region(extra_isa[i], PC87360_EXTENT,
803 pc87360_driver.driver.name)) {
804 dev_err(&new_client->dev, "Region 0x%x-0x%x already "
805 "in use!\n", extra_isa[i],
806 extra_isa[i]+PC87360_EXTENT-1);
807 for (i--; i >= 0; i--)
808 release_region(extra_isa[i], PC87360_EXTENT);
814 /* Retrieve the fans configuration from Super-I/O space */
816 data->fan_conf = confreg[0] | (confreg[1] << 8);
818 if ((err = i2c_attach_client(new_client)))
821 /* Use the correct reference voltage
822 Unless both the VLM and the TMS logical devices agree to
823 use an external Vref, the internal one is used. */
825 i = pc87360_read_value(data, LD_IN, NO_BANK,
826 PC87365_REG_IN_CONFIG);
828 i &= pc87360_read_value(data, LD_TEMP, NO_BANK,
829 PC87365_REG_TEMP_CONFIG);
831 data->in_vref = (i&0x02) ? 3025 : 2966;
832 dev_dbg(&new_client->dev, "Using %s reference voltage\n",
833 (i&0x02) ? "external" : "internal");
835 data->vid_conf = confreg[3];
839 /* Fan clock dividers may be needed before any data is read */
840 for (i = 0; i < data->fannr; i++) {
841 if (FAN_CONFIG_MONITOR(data->fan_conf, i))
842 data->fan_status[i] = pc87360_read_value(data,
844 PC87360_REG_FAN_STATUS(i));
848 if (devid == 0xe9 && data->address[1]) /* PC87366 */
849 use_thermistors = confreg[2] & 0x40;
851 pc87360_init_client(new_client, use_thermistors);
854 /* Register sysfs hooks */
855 data->class_dev = hwmon_device_register(&new_client->dev);
856 if (IS_ERR(data->class_dev)) {
857 err = PTR_ERR(data->class_dev);
862 device_create_file(&new_client->dev, &sensor_dev_attr_in0_input.dev_attr);
863 device_create_file(&new_client->dev, &sensor_dev_attr_in1_input.dev_attr);
864 device_create_file(&new_client->dev, &sensor_dev_attr_in2_input.dev_attr);
865 device_create_file(&new_client->dev, &sensor_dev_attr_in3_input.dev_attr);
866 device_create_file(&new_client->dev, &sensor_dev_attr_in4_input.dev_attr);
867 device_create_file(&new_client->dev, &sensor_dev_attr_in5_input.dev_attr);
868 device_create_file(&new_client->dev, &sensor_dev_attr_in6_input.dev_attr);
869 device_create_file(&new_client->dev, &sensor_dev_attr_in7_input.dev_attr);
870 device_create_file(&new_client->dev, &sensor_dev_attr_in8_input.dev_attr);
871 device_create_file(&new_client->dev, &sensor_dev_attr_in9_input.dev_attr);
872 device_create_file(&new_client->dev, &sensor_dev_attr_in10_input.dev_attr);
873 device_create_file(&new_client->dev, &sensor_dev_attr_in0_min.dev_attr);
874 device_create_file(&new_client->dev, &sensor_dev_attr_in1_min.dev_attr);
875 device_create_file(&new_client->dev, &sensor_dev_attr_in2_min.dev_attr);
876 device_create_file(&new_client->dev, &sensor_dev_attr_in3_min.dev_attr);
877 device_create_file(&new_client->dev, &sensor_dev_attr_in4_min.dev_attr);
878 device_create_file(&new_client->dev, &sensor_dev_attr_in5_min.dev_attr);
879 device_create_file(&new_client->dev, &sensor_dev_attr_in6_min.dev_attr);
880 device_create_file(&new_client->dev, &sensor_dev_attr_in7_min.dev_attr);
881 device_create_file(&new_client->dev, &sensor_dev_attr_in8_min.dev_attr);
882 device_create_file(&new_client->dev, &sensor_dev_attr_in9_min.dev_attr);
883 device_create_file(&new_client->dev, &sensor_dev_attr_in10_min.dev_attr);
884 device_create_file(&new_client->dev, &sensor_dev_attr_in0_max.dev_attr);
885 device_create_file(&new_client->dev, &sensor_dev_attr_in1_max.dev_attr);
886 device_create_file(&new_client->dev, &sensor_dev_attr_in2_max.dev_attr);
887 device_create_file(&new_client->dev, &sensor_dev_attr_in3_max.dev_attr);
888 device_create_file(&new_client->dev, &sensor_dev_attr_in4_max.dev_attr);
889 device_create_file(&new_client->dev, &sensor_dev_attr_in5_max.dev_attr);
890 device_create_file(&new_client->dev, &sensor_dev_attr_in6_max.dev_attr);
891 device_create_file(&new_client->dev, &sensor_dev_attr_in7_max.dev_attr);
892 device_create_file(&new_client->dev, &sensor_dev_attr_in8_max.dev_attr);
893 device_create_file(&new_client->dev, &sensor_dev_attr_in9_max.dev_attr);
894 device_create_file(&new_client->dev, &sensor_dev_attr_in10_max.dev_attr);
895 device_create_file(&new_client->dev, &sensor_dev_attr_in0_status.dev_attr);
896 device_create_file(&new_client->dev, &sensor_dev_attr_in1_status.dev_attr);
897 device_create_file(&new_client->dev, &sensor_dev_attr_in2_status.dev_attr);
898 device_create_file(&new_client->dev, &sensor_dev_attr_in3_status.dev_attr);
899 device_create_file(&new_client->dev, &sensor_dev_attr_in4_status.dev_attr);
900 device_create_file(&new_client->dev, &sensor_dev_attr_in5_status.dev_attr);
901 device_create_file(&new_client->dev, &sensor_dev_attr_in6_status.dev_attr);
902 device_create_file(&new_client->dev, &sensor_dev_attr_in7_status.dev_attr);
903 device_create_file(&new_client->dev, &sensor_dev_attr_in8_status.dev_attr);
904 device_create_file(&new_client->dev, &sensor_dev_attr_in9_status.dev_attr);
905 device_create_file(&new_client->dev, &sensor_dev_attr_in10_status.dev_attr);
907 device_create_file(&new_client->dev, &dev_attr_cpu0_vid);
908 device_create_file(&new_client->dev, &dev_attr_vrm);
909 device_create_file(&new_client->dev, &dev_attr_alarms_in);
913 device_create_file(&new_client->dev, &sensor_dev_attr_temp1_input.dev_attr);
914 device_create_file(&new_client->dev, &sensor_dev_attr_temp2_input.dev_attr);
915 device_create_file(&new_client->dev, &sensor_dev_attr_temp1_min.dev_attr);
916 device_create_file(&new_client->dev, &sensor_dev_attr_temp2_min.dev_attr);
917 device_create_file(&new_client->dev, &sensor_dev_attr_temp1_max.dev_attr);
918 device_create_file(&new_client->dev, &sensor_dev_attr_temp2_max.dev_attr);
919 device_create_file(&new_client->dev, &sensor_dev_attr_temp1_crit.dev_attr);
920 device_create_file(&new_client->dev, &sensor_dev_attr_temp2_crit.dev_attr);
921 device_create_file(&new_client->dev, &sensor_dev_attr_temp1_status.dev_attr);
922 device_create_file(&new_client->dev, &sensor_dev_attr_temp2_status.dev_attr);
924 device_create_file(&new_client->dev, &dev_attr_alarms_temp);
926 if (data->tempnr == 3) {
927 device_create_file(&new_client->dev, &sensor_dev_attr_temp3_input.dev_attr);
928 device_create_file(&new_client->dev, &sensor_dev_attr_temp3_min.dev_attr);
929 device_create_file(&new_client->dev, &sensor_dev_attr_temp3_max.dev_attr);
930 device_create_file(&new_client->dev, &sensor_dev_attr_temp3_crit.dev_attr);
931 device_create_file(&new_client->dev, &sensor_dev_attr_temp3_status.dev_attr);
933 if (data->innr == 14) {
934 device_create_file(&new_client->dev, &sensor_dev_attr_temp4_input.dev_attr);
935 device_create_file(&new_client->dev, &sensor_dev_attr_temp5_input.dev_attr);
936 device_create_file(&new_client->dev, &sensor_dev_attr_temp6_input.dev_attr);
937 device_create_file(&new_client->dev, &sensor_dev_attr_temp4_min.dev_attr);
938 device_create_file(&new_client->dev, &sensor_dev_attr_temp5_min.dev_attr);
939 device_create_file(&new_client->dev, &sensor_dev_attr_temp6_min.dev_attr);
940 device_create_file(&new_client->dev, &sensor_dev_attr_temp4_max.dev_attr);
941 device_create_file(&new_client->dev, &sensor_dev_attr_temp5_max.dev_attr);
942 device_create_file(&new_client->dev, &sensor_dev_attr_temp6_max.dev_attr);
943 device_create_file(&new_client->dev, &sensor_dev_attr_temp4_crit.dev_attr);
944 device_create_file(&new_client->dev, &sensor_dev_attr_temp5_crit.dev_attr);
945 device_create_file(&new_client->dev, &sensor_dev_attr_temp6_crit.dev_attr);
946 device_create_file(&new_client->dev, &sensor_dev_attr_temp4_status.dev_attr);
947 device_create_file(&new_client->dev, &sensor_dev_attr_temp5_status.dev_attr);
948 device_create_file(&new_client->dev, &sensor_dev_attr_temp6_status.dev_attr);
952 if (FAN_CONFIG_MONITOR(data->fan_conf, 0)) {
953 device_create_file(&new_client->dev,
954 &sensor_dev_attr_fan1_input.dev_attr);
955 device_create_file(&new_client->dev,
956 &sensor_dev_attr_fan1_min.dev_attr);
957 device_create_file(&new_client->dev,
958 &sensor_dev_attr_fan1_div.dev_attr);
959 device_create_file(&new_client->dev,
960 &sensor_dev_attr_fan1_status.dev_attr);
963 if (FAN_CONFIG_MONITOR(data->fan_conf, 1)) {
964 device_create_file(&new_client->dev,
965 &sensor_dev_attr_fan2_input.dev_attr);
966 device_create_file(&new_client->dev,
967 &sensor_dev_attr_fan2_min.dev_attr);
968 device_create_file(&new_client->dev,
969 &sensor_dev_attr_fan2_div.dev_attr);
970 device_create_file(&new_client->dev,
971 &sensor_dev_attr_fan2_status.dev_attr);
974 if (FAN_CONFIG_CONTROL(data->fan_conf, 0))
975 device_create_file(&new_client->dev, &sensor_dev_attr_pwm1.dev_attr);
976 if (FAN_CONFIG_CONTROL(data->fan_conf, 1))
977 device_create_file(&new_client->dev, &sensor_dev_attr_pwm2.dev_attr);
979 if (data->fannr == 3) {
980 if (FAN_CONFIG_MONITOR(data->fan_conf, 2)) {
981 device_create_file(&new_client->dev,
982 &sensor_dev_attr_fan3_input.dev_attr);
983 device_create_file(&new_client->dev,
984 &sensor_dev_attr_fan3_min.dev_attr);
985 device_create_file(&new_client->dev,
986 &sensor_dev_attr_fan3_div.dev_attr);
987 device_create_file(&new_client->dev,
988 &sensor_dev_attr_fan3_status.dev_attr);
991 if (FAN_CONFIG_CONTROL(data->fan_conf, 2))
992 device_create_file(&new_client->dev, &sensor_dev_attr_pwm3.dev_attr);
998 i2c_detach_client(new_client);
1000 for (i = 0; i < 3; i++) {
1001 if (data->address[i]) {
1002 release_region(data->address[i], PC87360_EXTENT);
1010 static int pc87360_detach_client(struct i2c_client *client)
1012 struct pc87360_data *data = i2c_get_clientdata(client);
1015 hwmon_device_unregister(data->class_dev);
1017 if ((i = i2c_detach_client(client)))
1020 for (i = 0; i < 3; i++) {
1021 if (data->address[i]) {
1022 release_region(data->address[i], PC87360_EXTENT);
1030 /* ldi is the logical device index
1031 bank is for voltages and temperatures only */
1032 static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank,
1037 down(&(data->lock));
1038 if (bank != NO_BANK)
1039 outb_p(bank, data->address[ldi] + PC87365_REG_BANK);
1040 res = inb_p(data->address[ldi] + reg);
1046 static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank,
1049 down(&(data->lock));
1050 if (bank != NO_BANK)
1051 outb_p(bank, data->address[ldi] + PC87365_REG_BANK);
1052 outb_p(value, data->address[ldi] + reg);
1056 static void pc87360_init_client(struct i2c_client *client, int use_thermistors)
1058 struct pc87360_data *data = i2c_get_clientdata(client);
1060 const u8 init_in[14] = { 2, 2, 2, 2, 2, 2, 2, 1, 1, 3, 1, 2, 2, 2 };
1061 const u8 init_temp[3] = { 2, 2, 1 };
1064 if (init >= 2 && data->innr) {
1065 reg = pc87360_read_value(data, LD_IN, NO_BANK,
1066 PC87365_REG_IN_CONVRATE);
1067 dev_info(&client->dev, "VLM conversion set to "
1068 "1s period, 160us delay\n");
1069 pc87360_write_value(data, LD_IN, NO_BANK,
1070 PC87365_REG_IN_CONVRATE,
1071 (reg & 0xC0) | 0x11);
1074 nr = data->innr < 11 ? data->innr : 11;
1075 for (i=0; i<nr; i++) {
1076 if (init >= init_in[i]) {
1077 /* Forcibly enable voltage channel */
1078 reg = pc87360_read_value(data, LD_IN, i,
1079 PC87365_REG_IN_STATUS);
1080 if (!(reg & 0x01)) {
1081 dev_dbg(&client->dev, "Forcibly "
1082 "enabling in%d\n", i);
1083 pc87360_write_value(data, LD_IN, i,
1084 PC87365_REG_IN_STATUS,
1085 (reg & 0x68) | 0x87);
1090 /* We can't blindly trust the Super-I/O space configuration bit,
1091 most BIOS won't set it properly */
1092 for (i=11; i<data->innr; i++) {
1093 reg = pc87360_read_value(data, LD_IN, i,
1094 PC87365_REG_TEMP_STATUS);
1095 use_thermistors = use_thermistors || (reg & 0x01);
1098 i = use_thermistors ? 2 : 0;
1099 for (; i<data->tempnr; i++) {
1100 if (init >= init_temp[i]) {
1101 /* Forcibly enable temperature channel */
1102 reg = pc87360_read_value(data, LD_TEMP, i,
1103 PC87365_REG_TEMP_STATUS);
1104 if (!(reg & 0x01)) {
1105 dev_dbg(&client->dev, "Forcibly "
1106 "enabling temp%d\n", i+1);
1107 pc87360_write_value(data, LD_TEMP, i,
1108 PC87365_REG_TEMP_STATUS,
1114 if (use_thermistors) {
1115 for (i=11; i<data->innr; i++) {
1116 if (init >= init_in[i]) {
1117 /* The pin may already be used by thermal
1119 reg = pc87360_read_value(data, LD_TEMP,
1120 (i-11)/2, PC87365_REG_TEMP_STATUS);
1122 dev_dbg(&client->dev, "Skipping "
1123 "temp%d, pin already in use "
1124 "by temp%d\n", i-7, (i-11)/2);
1128 /* Forcibly enable thermistor channel */
1129 reg = pc87360_read_value(data, LD_IN, i,
1130 PC87365_REG_IN_STATUS);
1131 if (!(reg & 0x01)) {
1132 dev_dbg(&client->dev, "Forcibly "
1133 "enabling temp%d\n", i-7);
1134 pc87360_write_value(data, LD_IN, i,
1135 PC87365_REG_TEMP_STATUS,
1136 (reg & 0x60) | 0x8F);
1143 reg = pc87360_read_value(data, LD_IN, NO_BANK,
1144 PC87365_REG_IN_CONFIG);
1146 dev_dbg(&client->dev, "Forcibly "
1147 "enabling monitoring (VLM)\n");
1148 pc87360_write_value(data, LD_IN, NO_BANK,
1149 PC87365_REG_IN_CONFIG,
1155 reg = pc87360_read_value(data, LD_TEMP, NO_BANK,
1156 PC87365_REG_TEMP_CONFIG);
1158 dev_dbg(&client->dev, "Forcibly enabling "
1159 "monitoring (TMS)\n");
1160 pc87360_write_value(data, LD_TEMP, NO_BANK,
1161 PC87365_REG_TEMP_CONFIG,
1166 /* Chip config as documented by National Semi. */
1167 pc87360_write_value(data, LD_TEMP, 0xF, 0xA, 0x08);
1168 /* We voluntarily omit the bank here, in case the
1169 sequence itself matters. It shouldn't be a problem,
1170 since nobody else is supposed to access the
1171 device at that point. */
1172 pc87360_write_value(data, LD_TEMP, NO_BANK, 0xB, 0x04);
1173 pc87360_write_value(data, LD_TEMP, NO_BANK, 0xC, 0x35);
1174 pc87360_write_value(data, LD_TEMP, NO_BANK, 0xD, 0x05);
1175 pc87360_write_value(data, LD_TEMP, NO_BANK, 0xE, 0x05);
1180 static void pc87360_autodiv(struct i2c_client *client, int nr)
1182 struct pc87360_data *data = i2c_get_clientdata(client);
1183 u8 old_min = data->fan_min[nr];
1185 /* Increase clock divider if needed and possible */
1186 if ((data->fan_status[nr] & 0x04) /* overflow flag */
1187 || (data->fan[nr] >= 224)) { /* next to overflow */
1188 if ((data->fan_status[nr] & 0x60) != 0x60) {
1189 data->fan_status[nr] += 0x20;
1190 data->fan_min[nr] >>= 1;
1191 data->fan[nr] >>= 1;
1192 dev_dbg(&client->dev, "Increasing "
1193 "clock divider to %d for fan %d\n",
1194 FAN_DIV_FROM_REG(data->fan_status[nr]), nr+1);
1197 /* Decrease clock divider if possible */
1198 while (!(data->fan_min[nr] & 0x80) /* min "nails" divider */
1199 && data->fan[nr] < 85 /* bad accuracy */
1200 && (data->fan_status[nr] & 0x60) != 0x00) {
1201 data->fan_status[nr] -= 0x20;
1202 data->fan_min[nr] <<= 1;
1203 data->fan[nr] <<= 1;
1204 dev_dbg(&client->dev, "Decreasing "
1205 "clock divider to %d for fan %d\n",
1206 FAN_DIV_FROM_REG(data->fan_status[nr]),
1211 /* Write new fan min if it changed */
1212 if (old_min != data->fan_min[nr]) {
1213 pc87360_write_value(data, LD_FAN, NO_BANK,
1214 PC87360_REG_FAN_MIN(nr),
1219 static struct pc87360_data *pc87360_update_device(struct device *dev)
1221 struct i2c_client *client = to_i2c_client(dev);
1222 struct pc87360_data *data = i2c_get_clientdata(client);
1225 down(&data->update_lock);
1227 if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) {
1228 dev_dbg(&client->dev, "Data update\n");
1231 for (i = 0; i < data->fannr; i++) {
1232 if (FAN_CONFIG_MONITOR(data->fan_conf, i)) {
1233 data->fan_status[i] =
1234 pc87360_read_value(data, LD_FAN,
1235 NO_BANK, PC87360_REG_FAN_STATUS(i));
1236 data->fan[i] = pc87360_read_value(data, LD_FAN,
1237 NO_BANK, PC87360_REG_FAN(i));
1238 data->fan_min[i] = pc87360_read_value(data,
1240 PC87360_REG_FAN_MIN(i));
1241 /* Change clock divider if needed */
1242 pc87360_autodiv(client, i);
1243 /* Clear bits and write new divider */
1244 pc87360_write_value(data, LD_FAN, NO_BANK,
1245 PC87360_REG_FAN_STATUS(i),
1246 data->fan_status[i]);
1248 if (FAN_CONFIG_CONTROL(data->fan_conf, i))
1249 data->pwm[i] = pc87360_read_value(data, LD_FAN,
1250 NO_BANK, PC87360_REG_PWM(i));
1254 for (i = 0; i < data->innr; i++) {
1255 data->in_status[i] = pc87360_read_value(data, LD_IN, i,
1256 PC87365_REG_IN_STATUS);
1258 pc87360_write_value(data, LD_IN, i,
1259 PC87365_REG_IN_STATUS,
1260 data->in_status[i]);
1261 if ((data->in_status[i] & 0x81) == 0x81) {
1262 data->in[i] = pc87360_read_value(data, LD_IN,
1265 if (data->in_status[i] & 0x01) {
1266 data->in_min[i] = pc87360_read_value(data,
1268 PC87365_REG_IN_MIN);
1269 data->in_max[i] = pc87360_read_value(data,
1271 PC87365_REG_IN_MAX);
1273 data->in_crit[i-11] =
1274 pc87360_read_value(data, LD_IN,
1275 i, PC87365_REG_TEMP_CRIT);
1279 data->in_alarms = pc87360_read_value(data, LD_IN,
1280 NO_BANK, PC87365_REG_IN_ALARMS1)
1281 | ((pc87360_read_value(data, LD_IN,
1282 NO_BANK, PC87365_REG_IN_ALARMS2)
1284 data->vid = (data->vid_conf & 0xE0) ?
1285 pc87360_read_value(data, LD_IN,
1286 NO_BANK, PC87365_REG_VID) : 0x1F;
1290 for (i = 0; i < data->tempnr; i++) {
1291 data->temp_status[i] = pc87360_read_value(data,
1293 PC87365_REG_TEMP_STATUS);
1295 pc87360_write_value(data, LD_TEMP, i,
1296 PC87365_REG_TEMP_STATUS,
1297 data->temp_status[i]);
1298 if ((data->temp_status[i] & 0x81) == 0x81) {
1299 data->temp[i] = pc87360_read_value(data,
1303 if (data->temp_status[i] & 0x01) {
1304 data->temp_min[i] = pc87360_read_value(data,
1306 PC87365_REG_TEMP_MIN);
1307 data->temp_max[i] = pc87360_read_value(data,
1309 PC87365_REG_TEMP_MAX);
1310 data->temp_crit[i] = pc87360_read_value(data,
1312 PC87365_REG_TEMP_CRIT);
1316 data->temp_alarms = pc87360_read_value(data, LD_TEMP,
1317 NO_BANK, PC87365_REG_TEMP_ALARMS)
1321 data->last_updated = jiffies;
1325 up(&data->update_lock);
1330 static int __init pc87360_init(void)
1334 if (pc87360_find(0x2e, &devid, extra_isa)
1335 && pc87360_find(0x4e, &devid, extra_isa)) {
1336 printk(KERN_WARNING "pc87360: PC8736x not detected, "
1337 "module not inserted.\n");
1341 /* Arbitrarily pick one of the addresses */
1342 for (i = 0; i < 3; i++) {
1343 if (extra_isa[i] != 0x0000) {
1344 address = extra_isa[i];
1349 if (address == 0x0000) {
1350 printk(KERN_WARNING "pc87360: No active logical device, "
1351 "module not inserted.\n");
1355 return i2c_isa_add_driver(&pc87360_driver);
1358 static void __exit pc87360_exit(void)
1360 i2c_isa_del_driver(&pc87360_driver);
1364 MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
1365 MODULE_DESCRIPTION("PC8736x hardware monitor");
1366 MODULE_LICENSE("GPL");
1368 module_init(pc87360_init);
1369 module_exit(pc87360_exit);