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-vid.h>
44 #include <linux/err.h>
48 static unsigned short address
;
49 static unsigned short extra_isa
[3];
52 enum chips
{ any_chip
, pc87360
, pc87363
, pc87364
, pc87365
, pc87366
};
55 module_param(init
, int, 0);
56 MODULE_PARM_DESC(init
,
57 "Chip initialization level:\n"
59 "*1: Forcibly enable internal voltage and temperature channels, except in9\n"
60 " 2: Forcibly enable all voltage and temperature channels, except in9\n"
61 " 3: Forcibly enable all voltage and temperature channels, including in9");
64 * Super-I/O registers and operations
67 #define DEV 0x07 /* Register: Logical device select */
68 #define DEVID 0x20 /* Register: Device ID */
69 #define ACT 0x30 /* Register: Device activation */
70 #define BASE 0x60 /* Register: Base address */
72 #define FSCM 0x09 /* Logical device: fans */
73 #define VLM 0x0d /* Logical device: voltages */
74 #define TMS 0x0e /* Logical device: temperatures */
75 static const u8 logdev
[3] = { FSCM
, VLM
, TMS
};
81 static inline void superio_outb(int sioaddr
, int reg
, int val
)
87 static inline int superio_inb(int sioaddr
, int reg
)
90 return inb(sioaddr
+1);
93 static inline void superio_exit(int sioaddr
)
96 outb(0x02, sioaddr
+1);
103 #define PC87360_EXTENT 0x10
104 #define PC87365_REG_BANK 0x09
108 * Fan registers and conversions
111 /* nr has to be 0 or 1 (PC87360/87363) or 2 (PC87364/87365/87366) */
112 #define PC87360_REG_PRESCALE(nr) (0x00 + 2 * (nr))
113 #define PC87360_REG_PWM(nr) (0x01 + 2 * (nr))
114 #define PC87360_REG_FAN_MIN(nr) (0x06 + 3 * (nr))
115 #define PC87360_REG_FAN(nr) (0x07 + 3 * (nr))
116 #define PC87360_REG_FAN_STATUS(nr) (0x08 + 3 * (nr))
118 #define FAN_FROM_REG(val,div) ((val) == 0 ? 0: \
119 480000 / ((val)*(div)))
120 #define FAN_TO_REG(val,div) ((val) <= 100 ? 0 : \
121 480000 / ((val)*(div)))
122 #define FAN_DIV_FROM_REG(val) (1 << ((val >> 5) & 0x03))
123 #define FAN_STATUS_FROM_REG(val) ((val) & 0x07)
125 #define FAN_CONFIG_MONITOR(val,nr) (((val) >> (2 + nr * 3)) & 1)
126 #define FAN_CONFIG_CONTROL(val,nr) (((val) >> (3 + nr * 3)) & 1)
127 #define FAN_CONFIG_INVERT(val,nr) (((val) >> (4 + nr * 3)) & 1)
129 #define PWM_FROM_REG(val,inv) ((inv) ? 255 - (val) : (val))
130 static inline u8
PWM_TO_REG(int val
, int inv
)
142 * Voltage registers and conversions
145 #define PC87365_REG_IN_CONVRATE 0x07
146 #define PC87365_REG_IN_CONFIG 0x08
147 #define PC87365_REG_IN 0x0B
148 #define PC87365_REG_IN_MIN 0x0D
149 #define PC87365_REG_IN_MAX 0x0C
150 #define PC87365_REG_IN_STATUS 0x0A
151 #define PC87365_REG_IN_ALARMS1 0x00
152 #define PC87365_REG_IN_ALARMS2 0x01
153 #define PC87365_REG_VID 0x06
155 #define IN_FROM_REG(val,ref) (((val) * (ref) + 128) / 256)
156 #define IN_TO_REG(val,ref) ((val) < 0 ? 0 : \
157 (val)*256 >= (ref)*255 ? 255: \
158 ((val) * 256 + (ref)/2) / (ref))
161 * Temperature registers and conversions
164 #define PC87365_REG_TEMP_CONFIG 0x08
165 #define PC87365_REG_TEMP 0x0B
166 #define PC87365_REG_TEMP_MIN 0x0D
167 #define PC87365_REG_TEMP_MAX 0x0C
168 #define PC87365_REG_TEMP_CRIT 0x0E
169 #define PC87365_REG_TEMP_STATUS 0x0A
170 #define PC87365_REG_TEMP_ALARMS 0x00
172 #define TEMP_FROM_REG(val) ((val) * 1000)
173 #define TEMP_TO_REG(val) ((val) < -55000 ? -55 : \
174 (val) > 127000 ? 127 : \
175 (val) < 0 ? ((val) - 500) / 1000 : \
176 ((val) + 500) / 1000)
179 * Client data (each client gets its own)
182 struct pc87360_data
{
183 struct i2c_client client
;
184 struct class_device
*class_dev
;
185 struct semaphore lock
;
186 struct semaphore update_lock
;
187 char valid
; /* !=0 if following fields are valid */
188 unsigned long last_updated
; /* In jiffies */
192 u8 fannr
, innr
, tempnr
;
194 u8 fan
[3]; /* Register value */
195 u8 fan_min
[3]; /* Register value */
196 u8 fan_status
[3]; /* Register value */
197 u8 pwm
[3]; /* Register value */
198 u16 fan_conf
; /* Configuration register values, combined */
200 u16 in_vref
; /* 1 mV/bit */
201 u8 in
[14]; /* Register value */
202 u8 in_min
[14]; /* Register value */
203 u8 in_max
[14]; /* Register value */
204 u8 in_crit
[3]; /* Register value */
205 u8 in_status
[14]; /* Register value */
206 u16 in_alarms
; /* Register values, combined, masked */
207 u8 vid_conf
; /* Configuration register value */
209 u8 vid
; /* Register value */
211 s8 temp
[3]; /* Register value */
212 s8 temp_min
[3]; /* Register value */
213 s8 temp_max
[3]; /* Register value */
214 s8 temp_crit
[3]; /* Register value */
215 u8 temp_status
[3]; /* Register value */
216 u8 temp_alarms
; /* Register value, masked */
220 * Functions declaration
223 static int pc87360_detect(struct i2c_adapter
*adapter
);
224 static int pc87360_detach_client(struct i2c_client
*client
);
226 static int pc87360_read_value(struct pc87360_data
*data
, u8 ldi
, u8 bank
,
228 static void pc87360_write_value(struct pc87360_data
*data
, u8 ldi
, u8 bank
,
230 static void pc87360_init_client(struct i2c_client
*client
, int use_thermistors
);
231 static struct pc87360_data
*pc87360_update_device(struct device
*dev
);
234 * Driver data (common to all clients)
237 static struct i2c_driver pc87360_driver
= {
238 .owner
= THIS_MODULE
,
240 .attach_adapter
= pc87360_detect
,
241 .detach_client
= pc87360_detach_client
,
248 static ssize_t
set_fan_min(struct device
*dev
, const char *buf
,
249 size_t count
, int nr
)
251 struct i2c_client
*client
= to_i2c_client(dev
);
252 struct pc87360_data
*data
= i2c_get_clientdata(client
);
253 long fan_min
= simple_strtol(buf
, NULL
, 10);
255 down(&data
->update_lock
);
256 fan_min
= FAN_TO_REG(fan_min
, FAN_DIV_FROM_REG(data
->fan_status
[nr
]));
258 /* If it wouldn't fit, change clock divisor */
260 && (data
->fan_status
[nr
] & 0x60) != 0x60) {
263 data
->fan_status
[nr
] += 0x20;
265 data
->fan_min
[nr
] = fan_min
> 255 ? 255 : fan_min
;
266 pc87360_write_value(data
, LD_FAN
, NO_BANK
, PC87360_REG_FAN_MIN(nr
),
269 /* Write new divider, preserve alarm bits */
270 pc87360_write_value(data
, LD_FAN
, NO_BANK
, PC87360_REG_FAN_STATUS(nr
),
271 data
->fan_status
[nr
] & 0xF9);
272 up(&data
->update_lock
);
277 #define show_and_set_fan(offset) \
278 static ssize_t show_fan##offset##_input(struct device *dev, struct device_attribute *attr, char *buf) \
280 struct pc87360_data *data = pc87360_update_device(dev); \
281 return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan[offset-1], \
282 FAN_DIV_FROM_REG(data->fan_status[offset-1]))); \
284 static ssize_t show_fan##offset##_min(struct device *dev, struct device_attribute *attr, char *buf) \
286 struct pc87360_data *data = pc87360_update_device(dev); \
287 return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan_min[offset-1], \
288 FAN_DIV_FROM_REG(data->fan_status[offset-1]))); \
290 static ssize_t show_fan##offset##_div(struct device *dev, struct device_attribute *attr, char *buf) \
292 struct pc87360_data *data = pc87360_update_device(dev); \
293 return sprintf(buf, "%u\n", \
294 FAN_DIV_FROM_REG(data->fan_status[offset-1])); \
296 static ssize_t show_fan##offset##_status(struct device *dev, struct device_attribute *attr, char *buf) \
298 struct pc87360_data *data = pc87360_update_device(dev); \
299 return sprintf(buf, "%u\n", \
300 FAN_STATUS_FROM_REG(data->fan_status[offset-1])); \
302 static ssize_t set_fan##offset##_min(struct device *dev, struct device_attribute *attr, const char *buf, \
305 return set_fan_min(dev, buf, count, offset-1); \
307 static DEVICE_ATTR(fan##offset##_input, S_IRUGO, \
308 show_fan##offset##_input, NULL); \
309 static DEVICE_ATTR(fan##offset##_min, S_IWUSR | S_IRUGO, \
310 show_fan##offset##_min, set_fan##offset##_min); \
311 static DEVICE_ATTR(fan##offset##_div, S_IRUGO, \
312 show_fan##offset##_div, NULL); \
313 static DEVICE_ATTR(fan##offset##_status, S_IRUGO, \
314 show_fan##offset##_status, NULL);
319 #define show_and_set_pwm(offset) \
320 static ssize_t show_pwm##offset(struct device *dev, struct device_attribute *attr, char *buf) \
322 struct pc87360_data *data = pc87360_update_device(dev); \
323 return sprintf(buf, "%u\n", \
324 PWM_FROM_REG(data->pwm[offset-1], \
325 FAN_CONFIG_INVERT(data->fan_conf, \
328 static ssize_t set_pwm##offset(struct device *dev, struct device_attribute *attr, const char *buf, \
331 struct i2c_client *client = to_i2c_client(dev); \
332 struct pc87360_data *data = i2c_get_clientdata(client); \
333 long val = simple_strtol(buf, NULL, 10); \
335 down(&data->update_lock); \
336 data->pwm[offset-1] = PWM_TO_REG(val, \
337 FAN_CONFIG_INVERT(data->fan_conf, offset-1)); \
338 pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_PWM(offset-1), \
339 data->pwm[offset-1]); \
340 up(&data->update_lock); \
343 static DEVICE_ATTR(pwm##offset, S_IWUSR | S_IRUGO, \
344 show_pwm##offset, set_pwm##offset);
349 #define show_and_set_in(offset) \
350 static ssize_t show_in##offset##_input(struct device *dev, struct device_attribute *attr, char *buf) \
352 struct pc87360_data *data = pc87360_update_device(dev); \
353 return sprintf(buf, "%u\n", IN_FROM_REG(data->in[offset], \
356 static ssize_t show_in##offset##_min(struct device *dev, struct device_attribute *attr, char *buf) \
358 struct pc87360_data *data = pc87360_update_device(dev); \
359 return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[offset], \
362 static ssize_t show_in##offset##_max(struct device *dev, struct device_attribute *attr, char *buf) \
364 struct pc87360_data *data = pc87360_update_device(dev); \
365 return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[offset], \
368 static ssize_t show_in##offset##_status(struct device *dev, struct device_attribute *attr, char *buf) \
370 struct pc87360_data *data = pc87360_update_device(dev); \
371 return sprintf(buf, "%u\n", data->in_status[offset]); \
373 static ssize_t set_in##offset##_min(struct device *dev, struct device_attribute *attr, const char *buf, \
376 struct i2c_client *client = to_i2c_client(dev); \
377 struct pc87360_data *data = i2c_get_clientdata(client); \
378 long val = simple_strtol(buf, NULL, 10); \
380 down(&data->update_lock); \
381 data->in_min[offset] = IN_TO_REG(val, data->in_vref); \
382 pc87360_write_value(data, LD_IN, offset, PC87365_REG_IN_MIN, \
383 data->in_min[offset]); \
384 up(&data->update_lock); \
387 static ssize_t set_in##offset##_max(struct device *dev, struct device_attribute *attr, const char *buf, \
390 struct i2c_client *client = to_i2c_client(dev); \
391 struct pc87360_data *data = i2c_get_clientdata(client); \
392 long val = simple_strtol(buf, NULL, 10); \
394 down(&data->update_lock); \
395 data->in_max[offset] = IN_TO_REG(val, \
397 pc87360_write_value(data, LD_IN, offset, PC87365_REG_IN_MAX, \
398 data->in_max[offset]); \
399 up(&data->update_lock); \
402 static DEVICE_ATTR(in##offset##_input, S_IRUGO, \
403 show_in##offset##_input, NULL); \
404 static DEVICE_ATTR(in##offset##_min, S_IWUSR | S_IRUGO, \
405 show_in##offset##_min, set_in##offset##_min); \
406 static DEVICE_ATTR(in##offset##_max, S_IWUSR | S_IRUGO, \
407 show_in##offset##_max, set_in##offset##_max); \
408 static DEVICE_ATTR(in##offset##_status, S_IRUGO, \
409 show_in##offset##_status, NULL);
422 #define show_and_set_therm(offset) \
423 static ssize_t show_temp##offset##_input(struct device *dev, struct device_attribute *attr, char *buf) \
425 struct pc87360_data *data = pc87360_update_device(dev); \
426 return sprintf(buf, "%u\n", IN_FROM_REG(data->in[offset+7], \
429 static ssize_t show_temp##offset##_min(struct device *dev, struct device_attribute *attr, char *buf) \
431 struct pc87360_data *data = pc87360_update_device(dev); \
432 return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[offset+7], \
435 static ssize_t show_temp##offset##_max(struct device *dev, struct device_attribute *attr, char *buf) \
437 struct pc87360_data *data = pc87360_update_device(dev); \
438 return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[offset+7], \
441 static ssize_t show_temp##offset##_crit(struct device *dev, struct device_attribute *attr, char *buf) \
443 struct pc87360_data *data = pc87360_update_device(dev); \
444 return sprintf(buf, "%u\n", IN_FROM_REG(data->in_crit[offset-4], \
447 static ssize_t show_temp##offset##_status(struct device *dev, struct device_attribute *attr, char *buf) \
449 struct pc87360_data *data = pc87360_update_device(dev); \
450 return sprintf(buf, "%u\n", data->in_status[offset+7]); \
452 static ssize_t set_temp##offset##_min(struct device *dev, struct device_attribute *attr, const char *buf, \
455 struct i2c_client *client = to_i2c_client(dev); \
456 struct pc87360_data *data = i2c_get_clientdata(client); \
457 long val = simple_strtol(buf, NULL, 10); \
459 down(&data->update_lock); \
460 data->in_min[offset+7] = IN_TO_REG(val, data->in_vref); \
461 pc87360_write_value(data, LD_IN, offset+7, PC87365_REG_TEMP_MIN, \
462 data->in_min[offset+7]); \
463 up(&data->update_lock); \
466 static ssize_t set_temp##offset##_max(struct device *dev, struct device_attribute *attr, const char *buf, \
469 struct i2c_client *client = to_i2c_client(dev); \
470 struct pc87360_data *data = i2c_get_clientdata(client); \
471 long val = simple_strtol(buf, NULL, 10); \
473 down(&data->update_lock); \
474 data->in_max[offset+7] = IN_TO_REG(val, data->in_vref); \
475 pc87360_write_value(data, LD_IN, offset+7, PC87365_REG_TEMP_MAX, \
476 data->in_max[offset+7]); \
477 up(&data->update_lock); \
480 static ssize_t set_temp##offset##_crit(struct device *dev, struct device_attribute *attr, const char *buf, \
483 struct i2c_client *client = to_i2c_client(dev); \
484 struct pc87360_data *data = i2c_get_clientdata(client); \
485 long val = simple_strtol(buf, NULL, 10); \
487 down(&data->update_lock); \
488 data->in_crit[offset-4] = IN_TO_REG(val, data->in_vref); \
489 pc87360_write_value(data, LD_IN, offset+7, PC87365_REG_TEMP_CRIT, \
490 data->in_crit[offset-4]); \
491 up(&data->update_lock); \
494 static DEVICE_ATTR(temp##offset##_input, S_IRUGO, \
495 show_temp##offset##_input, NULL); \
496 static DEVICE_ATTR(temp##offset##_min, S_IWUSR | S_IRUGO, \
497 show_temp##offset##_min, set_temp##offset##_min); \
498 static DEVICE_ATTR(temp##offset##_max, S_IWUSR | S_IRUGO, \
499 show_temp##offset##_max, set_temp##offset##_max); \
500 static DEVICE_ATTR(temp##offset##_crit, S_IWUSR | S_IRUGO, \
501 show_temp##offset##_crit, set_temp##offset##_crit); \
502 static DEVICE_ATTR(temp##offset##_status, S_IRUGO, \
503 show_temp##offset##_status, NULL);
504 show_and_set_therm(4)
505 show_and_set_therm(5)
506 show_and_set_therm(6)
508 static ssize_t
show_vid(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
510 struct pc87360_data
*data
= pc87360_update_device(dev
);
511 return sprintf(buf
, "%u\n", vid_from_reg(data
->vid
, data
->vrm
));
513 static DEVICE_ATTR(cpu0_vid
, S_IRUGO
, show_vid
, NULL
);
515 static ssize_t
show_vrm(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
517 struct pc87360_data
*data
= pc87360_update_device(dev
);
518 return sprintf(buf
, "%u\n", data
->vrm
);
520 static ssize_t
set_vrm(struct device
*dev
, struct device_attribute
*attr
, const char *buf
, size_t count
)
522 struct i2c_client
*client
= to_i2c_client(dev
);
523 struct pc87360_data
*data
= i2c_get_clientdata(client
);
524 data
->vrm
= simple_strtoul(buf
, NULL
, 10);
527 static DEVICE_ATTR(vrm
, S_IRUGO
| S_IWUSR
, show_vrm
, set_vrm
);
529 static ssize_t
show_in_alarms(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
531 struct pc87360_data
*data
= pc87360_update_device(dev
);
532 return sprintf(buf
, "%u\n", data
->in_alarms
);
534 static DEVICE_ATTR(alarms_in
, S_IRUGO
, show_in_alarms
, NULL
);
536 #define show_and_set_temp(offset) \
537 static ssize_t show_temp##offset##_input(struct device *dev, struct device_attribute *attr, char *buf) \
539 struct pc87360_data *data = pc87360_update_device(dev); \
540 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[offset-1])); \
542 static ssize_t show_temp##offset##_min(struct device *dev, struct device_attribute *attr, char *buf) \
544 struct pc87360_data *data = pc87360_update_device(dev); \
545 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[offset-1])); \
547 static ssize_t show_temp##offset##_max(struct device *dev, struct device_attribute *attr, char *buf) \
549 struct pc87360_data *data = pc87360_update_device(dev); \
550 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[offset-1])); \
552 static ssize_t show_temp##offset##_crit(struct device *dev, struct device_attribute *attr, char *buf) \
554 struct pc87360_data *data = pc87360_update_device(dev); \
555 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit[offset-1])); \
557 static ssize_t show_temp##offset##_status(struct device *dev, struct device_attribute *attr, char *buf) \
559 struct pc87360_data *data = pc87360_update_device(dev); \
560 return sprintf(buf, "%d\n", data->temp_status[offset-1]); \
562 static ssize_t set_temp##offset##_min(struct device *dev, struct device_attribute *attr, const char *buf, \
565 struct i2c_client *client = to_i2c_client(dev); \
566 struct pc87360_data *data = i2c_get_clientdata(client); \
567 long val = simple_strtol(buf, NULL, 10); \
569 down(&data->update_lock); \
570 data->temp_min[offset-1] = TEMP_TO_REG(val); \
571 pc87360_write_value(data, LD_TEMP, offset-1, PC87365_REG_TEMP_MIN, \
572 data->temp_min[offset-1]); \
573 up(&data->update_lock); \
576 static ssize_t set_temp##offset##_max(struct device *dev, struct device_attribute *attr, const char *buf, \
579 struct i2c_client *client = to_i2c_client(dev); \
580 struct pc87360_data *data = i2c_get_clientdata(client); \
581 long val = simple_strtol(buf, NULL, 10); \
583 down(&data->update_lock); \
584 data->temp_max[offset-1] = TEMP_TO_REG(val); \
585 pc87360_write_value(data, LD_TEMP, offset-1, PC87365_REG_TEMP_MAX, \
586 data->temp_max[offset-1]); \
587 up(&data->update_lock); \
590 static ssize_t set_temp##offset##_crit(struct device *dev, struct device_attribute *attr, const char *buf, \
593 struct i2c_client *client = to_i2c_client(dev); \
594 struct pc87360_data *data = i2c_get_clientdata(client); \
595 long val = simple_strtol(buf, NULL, 10); \
597 down(&data->update_lock); \
598 data->temp_crit[offset-1] = TEMP_TO_REG(val); \
599 pc87360_write_value(data, LD_TEMP, offset-1, PC87365_REG_TEMP_CRIT, \
600 data->temp_crit[offset-1]); \
601 up(&data->update_lock); \
604 static DEVICE_ATTR(temp##offset##_input, S_IRUGO, \
605 show_temp##offset##_input, NULL); \
606 static DEVICE_ATTR(temp##offset##_min, S_IWUSR | S_IRUGO, \
607 show_temp##offset##_min, set_temp##offset##_min); \
608 static DEVICE_ATTR(temp##offset##_max, S_IWUSR | S_IRUGO, \
609 show_temp##offset##_max, set_temp##offset##_max); \
610 static DEVICE_ATTR(temp##offset##_crit, S_IWUSR | S_IRUGO, \
611 show_temp##offset##_crit, set_temp##offset##_crit); \
612 static DEVICE_ATTR(temp##offset##_status, S_IRUGO, \
613 show_temp##offset##_status, NULL);
618 static ssize_t
show_temp_alarms(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
620 struct pc87360_data
*data
= pc87360_update_device(dev
);
621 return sprintf(buf
, "%u\n", data
->temp_alarms
);
623 static DEVICE_ATTR(alarms_temp
, S_IRUGO
, show_temp_alarms
, NULL
);
626 * Device detection, registration and update
629 static int __init
pc87360_find(int sioaddr
, u8
*devid
, unsigned short *addresses
)
633 int nrdev
; /* logical device count */
635 /* No superio_enter */
637 /* Identify device */
638 val
= superio_inb(sioaddr
, DEVID
);
640 case 0xE1: /* PC87360 */
641 case 0xE8: /* PC87363 */
642 case 0xE4: /* PC87364 */
645 case 0xE5: /* PC87365 */
646 case 0xE9: /* PC87366 */
650 superio_exit(sioaddr
);
653 /* Remember the device id */
656 for (i
= 0; i
< nrdev
; i
++) {
657 /* select logical device */
658 superio_outb(sioaddr
, DEV
, logdev
[i
]);
660 val
= superio_inb(sioaddr
, ACT
);
662 printk(KERN_INFO
"pc87360: Device 0x%02x not "
663 "activated\n", logdev
[i
]);
667 val
= (superio_inb(sioaddr
, BASE
) << 8)
668 | superio_inb(sioaddr
, BASE
+ 1);
670 printk(KERN_INFO
"pc87360: Base address not set for "
671 "device 0x%02x\n", logdev
[i
]);
677 if (i
==0) { /* Fans */
678 confreg
[0] = superio_inb(sioaddr
, 0xF0);
679 confreg
[1] = superio_inb(sioaddr
, 0xF1);
682 printk(KERN_DEBUG
"pc87360: Fan 1: mon=%d "
683 "ctrl=%d inv=%d\n", (confreg
[0]>>2)&1,
684 (confreg
[0]>>3)&1, (confreg
[0]>>4)&1);
685 printk(KERN_DEBUG
"pc87360: Fan 2: mon=%d "
686 "ctrl=%d inv=%d\n", (confreg
[0]>>5)&1,
687 (confreg
[0]>>6)&1, (confreg
[0]>>7)&1);
688 printk(KERN_DEBUG
"pc87360: Fan 3: mon=%d "
689 "ctrl=%d inv=%d\n", confreg
[1]&1,
690 (confreg
[1]>>1)&1, (confreg
[1]>>2)&1);
692 } else if (i
==1) { /* Voltages */
693 /* Are we using thermistors? */
694 if (*devid
== 0xE9) { /* PC87366 */
695 /* These registers are not logical-device
696 specific, just that we won't need them if
697 we don't use the VLM device */
698 confreg
[2] = superio_inb(sioaddr
, 0x2B);
699 confreg
[3] = superio_inb(sioaddr
, 0x25);
701 if (confreg
[2] & 0x40) {
702 printk(KERN_INFO
"pc87360: Using "
703 "thermistors for temperature "
706 if (confreg
[3] & 0xE0) {
707 printk(KERN_INFO
"pc87360: VID "
708 "inputs routed (mode %u)\n",
715 superio_exit(sioaddr
);
719 static int pc87360_detect(struct i2c_adapter
*adapter
)
722 struct i2c_client
*new_client
;
723 struct pc87360_data
*data
;
725 const char *name
= "pc87360";
726 int use_thermistors
= 0;
728 if (!(data
= kmalloc(sizeof(struct pc87360_data
), GFP_KERNEL
)))
730 memset(data
, 0x00, sizeof(struct pc87360_data
));
732 new_client
= &data
->client
;
733 i2c_set_clientdata(new_client
, data
);
734 new_client
->addr
= address
;
735 init_MUTEX(&data
->lock
);
736 new_client
->adapter
= adapter
;
737 new_client
->driver
= &pc87360_driver
;
738 new_client
->flags
= 0;
754 data
->fannr
= extra_isa
[0] ? 3 : 0;
755 data
->innr
= extra_isa
[1] ? 11 : 0;
756 data
->tempnr
= extra_isa
[2] ? 2 : 0;
760 data
->fannr
= extra_isa
[0] ? 3 : 0;
761 data
->innr
= extra_isa
[1] ? 14 : 0;
762 data
->tempnr
= extra_isa
[2] ? 3 : 0;
766 strcpy(new_client
->name
, name
);
768 init_MUTEX(&data
->update_lock
);
770 for (i
= 0; i
< 3; i
++) {
771 if (((data
->address
[i
] = extra_isa
[i
]))
772 && !request_region(extra_isa
[i
], PC87360_EXTENT
,
773 pc87360_driver
.name
)) {
774 dev_err(&new_client
->dev
, "Region 0x%x-0x%x already "
775 "in use!\n", extra_isa
[i
],
776 extra_isa
[i
]+PC87360_EXTENT
-1);
777 for (i
--; i
>= 0; i
--)
778 release_region(extra_isa
[i
], PC87360_EXTENT
);
784 /* Retrieve the fans configuration from Super-I/O space */
786 data
->fan_conf
= confreg
[0] | (confreg
[1] << 8);
788 if ((err
= i2c_attach_client(new_client
)))
791 /* Use the correct reference voltage
792 Unless both the VLM and the TMS logical devices agree to
793 use an external Vref, the internal one is used. */
795 i
= pc87360_read_value(data
, LD_IN
, NO_BANK
,
796 PC87365_REG_IN_CONFIG
);
798 i
&= pc87360_read_value(data
, LD_TEMP
, NO_BANK
,
799 PC87365_REG_TEMP_CONFIG
);
801 data
->in_vref
= (i
&0x02) ? 3025 : 2966;
802 dev_dbg(&new_client
->dev
, "Using %s reference voltage\n",
803 (i
&0x02) ? "external" : "internal");
805 data
->vid_conf
= confreg
[3];
809 /* Fan clock dividers may be needed before any data is read */
810 for (i
= 0; i
< data
->fannr
; i
++) {
811 if (FAN_CONFIG_MONITOR(data
->fan_conf
, i
))
812 data
->fan_status
[i
] = pc87360_read_value(data
,
814 PC87360_REG_FAN_STATUS(i
));
818 if (devid
== 0xe9 && data
->address
[1]) /* PC87366 */
819 use_thermistors
= confreg
[2] & 0x40;
821 pc87360_init_client(new_client
, use_thermistors
);
824 /* Register sysfs hooks */
825 data
->class_dev
= hwmon_device_register(&new_client
->dev
);
826 if (IS_ERR(data
->class_dev
)) {
827 err
= PTR_ERR(data
->class_dev
);
832 device_create_file(&new_client
->dev
, &dev_attr_in0_input
);
833 device_create_file(&new_client
->dev
, &dev_attr_in1_input
);
834 device_create_file(&new_client
->dev
, &dev_attr_in2_input
);
835 device_create_file(&new_client
->dev
, &dev_attr_in3_input
);
836 device_create_file(&new_client
->dev
, &dev_attr_in4_input
);
837 device_create_file(&new_client
->dev
, &dev_attr_in5_input
);
838 device_create_file(&new_client
->dev
, &dev_attr_in6_input
);
839 device_create_file(&new_client
->dev
, &dev_attr_in7_input
);
840 device_create_file(&new_client
->dev
, &dev_attr_in8_input
);
841 device_create_file(&new_client
->dev
, &dev_attr_in9_input
);
842 device_create_file(&new_client
->dev
, &dev_attr_in10_input
);
843 device_create_file(&new_client
->dev
, &dev_attr_in0_min
);
844 device_create_file(&new_client
->dev
, &dev_attr_in1_min
);
845 device_create_file(&new_client
->dev
, &dev_attr_in2_min
);
846 device_create_file(&new_client
->dev
, &dev_attr_in3_min
);
847 device_create_file(&new_client
->dev
, &dev_attr_in4_min
);
848 device_create_file(&new_client
->dev
, &dev_attr_in5_min
);
849 device_create_file(&new_client
->dev
, &dev_attr_in6_min
);
850 device_create_file(&new_client
->dev
, &dev_attr_in7_min
);
851 device_create_file(&new_client
->dev
, &dev_attr_in8_min
);
852 device_create_file(&new_client
->dev
, &dev_attr_in9_min
);
853 device_create_file(&new_client
->dev
, &dev_attr_in10_min
);
854 device_create_file(&new_client
->dev
, &dev_attr_in0_max
);
855 device_create_file(&new_client
->dev
, &dev_attr_in1_max
);
856 device_create_file(&new_client
->dev
, &dev_attr_in2_max
);
857 device_create_file(&new_client
->dev
, &dev_attr_in3_max
);
858 device_create_file(&new_client
->dev
, &dev_attr_in4_max
);
859 device_create_file(&new_client
->dev
, &dev_attr_in5_max
);
860 device_create_file(&new_client
->dev
, &dev_attr_in6_max
);
861 device_create_file(&new_client
->dev
, &dev_attr_in7_max
);
862 device_create_file(&new_client
->dev
, &dev_attr_in8_max
);
863 device_create_file(&new_client
->dev
, &dev_attr_in9_max
);
864 device_create_file(&new_client
->dev
, &dev_attr_in10_max
);
865 device_create_file(&new_client
->dev
, &dev_attr_in0_status
);
866 device_create_file(&new_client
->dev
, &dev_attr_in1_status
);
867 device_create_file(&new_client
->dev
, &dev_attr_in2_status
);
868 device_create_file(&new_client
->dev
, &dev_attr_in3_status
);
869 device_create_file(&new_client
->dev
, &dev_attr_in4_status
);
870 device_create_file(&new_client
->dev
, &dev_attr_in5_status
);
871 device_create_file(&new_client
->dev
, &dev_attr_in6_status
);
872 device_create_file(&new_client
->dev
, &dev_attr_in7_status
);
873 device_create_file(&new_client
->dev
, &dev_attr_in8_status
);
874 device_create_file(&new_client
->dev
, &dev_attr_in9_status
);
875 device_create_file(&new_client
->dev
, &dev_attr_in10_status
);
877 device_create_file(&new_client
->dev
, &dev_attr_cpu0_vid
);
878 device_create_file(&new_client
->dev
, &dev_attr_vrm
);
879 device_create_file(&new_client
->dev
, &dev_attr_alarms_in
);
883 device_create_file(&new_client
->dev
, &dev_attr_temp1_input
);
884 device_create_file(&new_client
->dev
, &dev_attr_temp2_input
);
885 device_create_file(&new_client
->dev
, &dev_attr_temp1_min
);
886 device_create_file(&new_client
->dev
, &dev_attr_temp2_min
);
887 device_create_file(&new_client
->dev
, &dev_attr_temp1_max
);
888 device_create_file(&new_client
->dev
, &dev_attr_temp2_max
);
889 device_create_file(&new_client
->dev
, &dev_attr_temp1_crit
);
890 device_create_file(&new_client
->dev
, &dev_attr_temp2_crit
);
891 device_create_file(&new_client
->dev
, &dev_attr_temp1_status
);
892 device_create_file(&new_client
->dev
, &dev_attr_temp2_status
);
894 device_create_file(&new_client
->dev
, &dev_attr_alarms_temp
);
896 if (data
->tempnr
== 3) {
897 device_create_file(&new_client
->dev
, &dev_attr_temp3_input
);
898 device_create_file(&new_client
->dev
, &dev_attr_temp3_min
);
899 device_create_file(&new_client
->dev
, &dev_attr_temp3_max
);
900 device_create_file(&new_client
->dev
, &dev_attr_temp3_crit
);
901 device_create_file(&new_client
->dev
, &dev_attr_temp3_status
);
903 if (data
->innr
== 14) {
904 device_create_file(&new_client
->dev
, &dev_attr_temp4_input
);
905 device_create_file(&new_client
->dev
, &dev_attr_temp5_input
);
906 device_create_file(&new_client
->dev
, &dev_attr_temp6_input
);
907 device_create_file(&new_client
->dev
, &dev_attr_temp4_min
);
908 device_create_file(&new_client
->dev
, &dev_attr_temp5_min
);
909 device_create_file(&new_client
->dev
, &dev_attr_temp6_min
);
910 device_create_file(&new_client
->dev
, &dev_attr_temp4_max
);
911 device_create_file(&new_client
->dev
, &dev_attr_temp5_max
);
912 device_create_file(&new_client
->dev
, &dev_attr_temp6_max
);
913 device_create_file(&new_client
->dev
, &dev_attr_temp4_crit
);
914 device_create_file(&new_client
->dev
, &dev_attr_temp5_crit
);
915 device_create_file(&new_client
->dev
, &dev_attr_temp6_crit
);
916 device_create_file(&new_client
->dev
, &dev_attr_temp4_status
);
917 device_create_file(&new_client
->dev
, &dev_attr_temp5_status
);
918 device_create_file(&new_client
->dev
, &dev_attr_temp6_status
);
922 if (FAN_CONFIG_MONITOR(data
->fan_conf
, 0)) {
923 device_create_file(&new_client
->dev
,
924 &dev_attr_fan1_input
);
925 device_create_file(&new_client
->dev
,
927 device_create_file(&new_client
->dev
,
929 device_create_file(&new_client
->dev
,
930 &dev_attr_fan1_status
);
933 if (FAN_CONFIG_MONITOR(data
->fan_conf
, 1)) {
934 device_create_file(&new_client
->dev
,
935 &dev_attr_fan2_input
);
936 device_create_file(&new_client
->dev
,
938 device_create_file(&new_client
->dev
,
940 device_create_file(&new_client
->dev
,
941 &dev_attr_fan2_status
);
944 if (FAN_CONFIG_CONTROL(data
->fan_conf
, 0))
945 device_create_file(&new_client
->dev
, &dev_attr_pwm1
);
946 if (FAN_CONFIG_CONTROL(data
->fan_conf
, 1))
947 device_create_file(&new_client
->dev
, &dev_attr_pwm2
);
949 if (data
->fannr
== 3) {
950 if (FAN_CONFIG_MONITOR(data
->fan_conf
, 2)) {
951 device_create_file(&new_client
->dev
,
952 &dev_attr_fan3_input
);
953 device_create_file(&new_client
->dev
,
955 device_create_file(&new_client
->dev
,
957 device_create_file(&new_client
->dev
,
958 &dev_attr_fan3_status
);
961 if (FAN_CONFIG_CONTROL(data
->fan_conf
, 2))
962 device_create_file(&new_client
->dev
, &dev_attr_pwm3
);
968 i2c_detach_client(new_client
);
970 for (i
= 0; i
< 3; i
++) {
971 if (data
->address
[i
]) {
972 release_region(data
->address
[i
], PC87360_EXTENT
);
980 static int pc87360_detach_client(struct i2c_client
*client
)
982 struct pc87360_data
*data
= i2c_get_clientdata(client
);
985 hwmon_device_unregister(data
->class_dev
);
987 if ((i
= i2c_detach_client(client
)))
990 for (i
= 0; i
< 3; i
++) {
991 if (data
->address
[i
]) {
992 release_region(data
->address
[i
], PC87360_EXTENT
);
1000 /* ldi is the logical device index
1001 bank is for voltages and temperatures only */
1002 static int pc87360_read_value(struct pc87360_data
*data
, u8 ldi
, u8 bank
,
1007 down(&(data
->lock
));
1008 if (bank
!= NO_BANK
)
1009 outb_p(bank
, data
->address
[ldi
] + PC87365_REG_BANK
);
1010 res
= inb_p(data
->address
[ldi
] + reg
);
1016 static void pc87360_write_value(struct pc87360_data
*data
, u8 ldi
, u8 bank
,
1019 down(&(data
->lock
));
1020 if (bank
!= NO_BANK
)
1021 outb_p(bank
, data
->address
[ldi
] + PC87365_REG_BANK
);
1022 outb_p(value
, data
->address
[ldi
] + reg
);
1026 static void pc87360_init_client(struct i2c_client
*client
, int use_thermistors
)
1028 struct pc87360_data
*data
= i2c_get_clientdata(client
);
1030 const u8 init_in
[14] = { 2, 2, 2, 2, 2, 2, 2, 1, 1, 3, 1, 2, 2, 2 };
1031 const u8 init_temp
[3] = { 2, 2, 1 };
1034 if (init
>= 2 && data
->innr
) {
1035 reg
= pc87360_read_value(data
, LD_IN
, NO_BANK
,
1036 PC87365_REG_IN_CONVRATE
);
1037 dev_info(&client
->dev
, "VLM conversion set to "
1038 "1s period, 160us delay\n");
1039 pc87360_write_value(data
, LD_IN
, NO_BANK
,
1040 PC87365_REG_IN_CONVRATE
,
1041 (reg
& 0xC0) | 0x11);
1044 nr
= data
->innr
< 11 ? data
->innr
: 11;
1045 for (i
=0; i
<nr
; i
++) {
1046 if (init
>= init_in
[i
]) {
1047 /* Forcibly enable voltage channel */
1048 reg
= pc87360_read_value(data
, LD_IN
, i
,
1049 PC87365_REG_IN_STATUS
);
1050 if (!(reg
& 0x01)) {
1051 dev_dbg(&client
->dev
, "Forcibly "
1052 "enabling in%d\n", i
);
1053 pc87360_write_value(data
, LD_IN
, i
,
1054 PC87365_REG_IN_STATUS
,
1055 (reg
& 0x68) | 0x87);
1060 /* We can't blindly trust the Super-I/O space configuration bit,
1061 most BIOS won't set it properly */
1062 for (i
=11; i
<data
->innr
; i
++) {
1063 reg
= pc87360_read_value(data
, LD_IN
, i
,
1064 PC87365_REG_TEMP_STATUS
);
1065 use_thermistors
= use_thermistors
|| (reg
& 0x01);
1068 i
= use_thermistors
? 2 : 0;
1069 for (; i
<data
->tempnr
; i
++) {
1070 if (init
>= init_temp
[i
]) {
1071 /* Forcibly enable temperature channel */
1072 reg
= pc87360_read_value(data
, LD_TEMP
, i
,
1073 PC87365_REG_TEMP_STATUS
);
1074 if (!(reg
& 0x01)) {
1075 dev_dbg(&client
->dev
, "Forcibly "
1076 "enabling temp%d\n", i
+1);
1077 pc87360_write_value(data
, LD_TEMP
, i
,
1078 PC87365_REG_TEMP_STATUS
,
1084 if (use_thermistors
) {
1085 for (i
=11; i
<data
->innr
; i
++) {
1086 if (init
>= init_in
[i
]) {
1087 /* The pin may already be used by thermal
1089 reg
= pc87360_read_value(data
, LD_TEMP
,
1090 (i
-11)/2, PC87365_REG_TEMP_STATUS
);
1092 dev_dbg(&client
->dev
, "Skipping "
1093 "temp%d, pin already in use "
1094 "by temp%d\n", i
-7, (i
-11)/2);
1098 /* Forcibly enable thermistor channel */
1099 reg
= pc87360_read_value(data
, LD_IN
, i
,
1100 PC87365_REG_IN_STATUS
);
1101 if (!(reg
& 0x01)) {
1102 dev_dbg(&client
->dev
, "Forcibly "
1103 "enabling temp%d\n", i
-7);
1104 pc87360_write_value(data
, LD_IN
, i
,
1105 PC87365_REG_TEMP_STATUS
,
1106 (reg
& 0x60) | 0x8F);
1113 reg
= pc87360_read_value(data
, LD_IN
, NO_BANK
,
1114 PC87365_REG_IN_CONFIG
);
1116 dev_dbg(&client
->dev
, "Forcibly "
1117 "enabling monitoring (VLM)\n");
1118 pc87360_write_value(data
, LD_IN
, NO_BANK
,
1119 PC87365_REG_IN_CONFIG
,
1125 reg
= pc87360_read_value(data
, LD_TEMP
, NO_BANK
,
1126 PC87365_REG_TEMP_CONFIG
);
1128 dev_dbg(&client
->dev
, "Forcibly enabling "
1129 "monitoring (TMS)\n");
1130 pc87360_write_value(data
, LD_TEMP
, NO_BANK
,
1131 PC87365_REG_TEMP_CONFIG
,
1136 /* Chip config as documented by National Semi. */
1137 pc87360_write_value(data
, LD_TEMP
, 0xF, 0xA, 0x08);
1138 /* We voluntarily omit the bank here, in case the
1139 sequence itself matters. It shouldn't be a problem,
1140 since nobody else is supposed to access the
1141 device at that point. */
1142 pc87360_write_value(data
, LD_TEMP
, NO_BANK
, 0xB, 0x04);
1143 pc87360_write_value(data
, LD_TEMP
, NO_BANK
, 0xC, 0x35);
1144 pc87360_write_value(data
, LD_TEMP
, NO_BANK
, 0xD, 0x05);
1145 pc87360_write_value(data
, LD_TEMP
, NO_BANK
, 0xE, 0x05);
1150 static void pc87360_autodiv(struct i2c_client
*client
, int nr
)
1152 struct pc87360_data
*data
= i2c_get_clientdata(client
);
1153 u8 old_min
= data
->fan_min
[nr
];
1155 /* Increase clock divider if needed and possible */
1156 if ((data
->fan_status
[nr
] & 0x04) /* overflow flag */
1157 || (data
->fan
[nr
] >= 224)) { /* next to overflow */
1158 if ((data
->fan_status
[nr
] & 0x60) != 0x60) {
1159 data
->fan_status
[nr
] += 0x20;
1160 data
->fan_min
[nr
] >>= 1;
1161 data
->fan
[nr
] >>= 1;
1162 dev_dbg(&client
->dev
, "Increasing "
1163 "clock divider to %d for fan %d\n",
1164 FAN_DIV_FROM_REG(data
->fan_status
[nr
]), nr
+1);
1167 /* Decrease clock divider if possible */
1168 while (!(data
->fan_min
[nr
] & 0x80) /* min "nails" divider */
1169 && data
->fan
[nr
] < 85 /* bad accuracy */
1170 && (data
->fan_status
[nr
] & 0x60) != 0x00) {
1171 data
->fan_status
[nr
] -= 0x20;
1172 data
->fan_min
[nr
] <<= 1;
1173 data
->fan
[nr
] <<= 1;
1174 dev_dbg(&client
->dev
, "Decreasing "
1175 "clock divider to %d for fan %d\n",
1176 FAN_DIV_FROM_REG(data
->fan_status
[nr
]),
1181 /* Write new fan min if it changed */
1182 if (old_min
!= data
->fan_min
[nr
]) {
1183 pc87360_write_value(data
, LD_FAN
, NO_BANK
,
1184 PC87360_REG_FAN_MIN(nr
),
1189 static struct pc87360_data
*pc87360_update_device(struct device
*dev
)
1191 struct i2c_client
*client
= to_i2c_client(dev
);
1192 struct pc87360_data
*data
= i2c_get_clientdata(client
);
1195 down(&data
->update_lock
);
1197 if (time_after(jiffies
, data
->last_updated
+ HZ
* 2) || !data
->valid
) {
1198 dev_dbg(&client
->dev
, "Data update\n");
1201 for (i
= 0; i
< data
->fannr
; i
++) {
1202 if (FAN_CONFIG_MONITOR(data
->fan_conf
, i
)) {
1203 data
->fan_status
[i
] =
1204 pc87360_read_value(data
, LD_FAN
,
1205 NO_BANK
, PC87360_REG_FAN_STATUS(i
));
1206 data
->fan
[i
] = pc87360_read_value(data
, LD_FAN
,
1207 NO_BANK
, PC87360_REG_FAN(i
));
1208 data
->fan_min
[i
] = pc87360_read_value(data
,
1210 PC87360_REG_FAN_MIN(i
));
1211 /* Change clock divider if needed */
1212 pc87360_autodiv(client
, i
);
1213 /* Clear bits and write new divider */
1214 pc87360_write_value(data
, LD_FAN
, NO_BANK
,
1215 PC87360_REG_FAN_STATUS(i
),
1216 data
->fan_status
[i
]);
1218 if (FAN_CONFIG_CONTROL(data
->fan_conf
, i
))
1219 data
->pwm
[i
] = pc87360_read_value(data
, LD_FAN
,
1220 NO_BANK
, PC87360_REG_PWM(i
));
1224 for (i
= 0; i
< data
->innr
; i
++) {
1225 data
->in_status
[i
] = pc87360_read_value(data
, LD_IN
, i
,
1226 PC87365_REG_IN_STATUS
);
1228 pc87360_write_value(data
, LD_IN
, i
,
1229 PC87365_REG_IN_STATUS
,
1230 data
->in_status
[i
]);
1231 if ((data
->in_status
[i
] & 0x81) == 0x81) {
1232 data
->in
[i
] = pc87360_read_value(data
, LD_IN
,
1235 if (data
->in_status
[i
] & 0x01) {
1236 data
->in_min
[i
] = pc87360_read_value(data
,
1238 PC87365_REG_IN_MIN
);
1239 data
->in_max
[i
] = pc87360_read_value(data
,
1241 PC87365_REG_IN_MAX
);
1243 data
->in_crit
[i
-11] =
1244 pc87360_read_value(data
, LD_IN
,
1245 i
, PC87365_REG_TEMP_CRIT
);
1249 data
->in_alarms
= pc87360_read_value(data
, LD_IN
,
1250 NO_BANK
, PC87365_REG_IN_ALARMS1
)
1251 | ((pc87360_read_value(data
, LD_IN
,
1252 NO_BANK
, PC87365_REG_IN_ALARMS2
)
1254 data
->vid
= (data
->vid_conf
& 0xE0) ?
1255 pc87360_read_value(data
, LD_IN
,
1256 NO_BANK
, PC87365_REG_VID
) : 0x1F;
1260 for (i
= 0; i
< data
->tempnr
; i
++) {
1261 data
->temp_status
[i
] = pc87360_read_value(data
,
1263 PC87365_REG_TEMP_STATUS
);
1265 pc87360_write_value(data
, LD_TEMP
, i
,
1266 PC87365_REG_TEMP_STATUS
,
1267 data
->temp_status
[i
]);
1268 if ((data
->temp_status
[i
] & 0x81) == 0x81) {
1269 data
->temp
[i
] = pc87360_read_value(data
,
1273 if (data
->temp_status
[i
] & 0x01) {
1274 data
->temp_min
[i
] = pc87360_read_value(data
,
1276 PC87365_REG_TEMP_MIN
);
1277 data
->temp_max
[i
] = pc87360_read_value(data
,
1279 PC87365_REG_TEMP_MAX
);
1280 data
->temp_crit
[i
] = pc87360_read_value(data
,
1282 PC87365_REG_TEMP_CRIT
);
1286 data
->temp_alarms
= pc87360_read_value(data
, LD_TEMP
,
1287 NO_BANK
, PC87365_REG_TEMP_ALARMS
)
1291 data
->last_updated
= jiffies
;
1295 up(&data
->update_lock
);
1300 static int __init
pc87360_init(void)
1304 if (pc87360_find(0x2e, &devid
, extra_isa
)
1305 && pc87360_find(0x4e, &devid
, extra_isa
)) {
1306 printk(KERN_WARNING
"pc87360: PC8736x not detected, "
1307 "module not inserted.\n");
1311 /* Arbitrarily pick one of the addresses */
1312 for (i
= 0; i
< 3; i
++) {
1313 if (extra_isa
[i
] != 0x0000) {
1314 address
= extra_isa
[i
];
1319 if (address
== 0x0000) {
1320 printk(KERN_WARNING
"pc87360: No active logical device, "
1321 "module not inserted.\n");
1325 return i2c_isa_add_driver(&pc87360_driver
);
1328 static void __exit
pc87360_exit(void)
1330 i2c_isa_del_driver(&pc87360_driver
);
1334 MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
1335 MODULE_DESCRIPTION("PC8736x hardware monitor");
1336 MODULE_LICENSE("GPL");
1338 module_init(pc87360_init
);
1339 module_exit(pc87360_exit
);