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194b8fb52f0e1296b30b394c341d1d86b7ca4d34
[deliverable/linux.git] / drivers / hwmon / lm85.c
1 /*
2 lm85.c - Part of lm_sensors, Linux kernel modules for hardware
3 monitoring
4 Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl>
5 Copyright (c) 2002, 2003 Philip Pokorny <ppokorny@penguincomputing.com>
6 Copyright (c) 2003 Margit Schubert-While <margitsw@t-online.de>
7 Copyright (c) 2004 Justin Thiessen <jthiessen@penguincomputing.com>
8
9 Chip details at <http://www.national.com/ds/LM/LM85.pdf>
10
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 */
25
26 #include <linux/module.h>
27 #include <linux/init.h>
28 #include <linux/slab.h>
29 #include <linux/jiffies.h>
30 #include <linux/i2c.h>
31 #include <linux/hwmon.h>
32 #include <linux/hwmon-vid.h>
33 #include <linux/hwmon-sysfs.h>
34 #include <linux/err.h>
35 #include <linux/mutex.h>
36
37 /* Addresses to scan */
38 static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
39
40 /* Insmod parameters */
41 I2C_CLIENT_INSMOD_6(lm85b, lm85c, adm1027, adt7463, emc6d100, emc6d102);
42
43 /* The LM85 registers */
44
45 #define LM85_REG_IN(nr) (0x20 + (nr))
46 #define LM85_REG_IN_MIN(nr) (0x44 + (nr) * 2)
47 #define LM85_REG_IN_MAX(nr) (0x45 + (nr) * 2)
48
49 #define LM85_REG_TEMP(nr) (0x25 + (nr))
50 #define LM85_REG_TEMP_MIN(nr) (0x4e + (nr) * 2)
51 #define LM85_REG_TEMP_MAX(nr) (0x4f + (nr) * 2)
52
53 /* Fan speeds are LSB, MSB (2 bytes) */
54 #define LM85_REG_FAN(nr) (0x28 + (nr) *2)
55 #define LM85_REG_FAN_MIN(nr) (0x54 + (nr) *2)
56
57 #define LM85_REG_PWM(nr) (0x30 + (nr))
58
59 #define ADT7463_REG_OPPOINT(nr) (0x33 + (nr))
60
61 #define ADT7463_REG_TMIN_CTL1 0x36
62 #define ADT7463_REG_TMIN_CTL2 0x37
63
64 #define LM85_REG_DEVICE 0x3d
65 #define LM85_REG_COMPANY 0x3e
66 #define LM85_REG_VERSTEP 0x3f
67 /* These are the recognized values for the above regs */
68 #define LM85_DEVICE_ADX 0x27
69 #define LM85_COMPANY_NATIONAL 0x01
70 #define LM85_COMPANY_ANALOG_DEV 0x41
71 #define LM85_COMPANY_SMSC 0x5c
72 #define LM85_VERSTEP_VMASK 0xf0
73 #define LM85_VERSTEP_GENERIC 0x60
74 #define LM85_VERSTEP_LM85C 0x60
75 #define LM85_VERSTEP_LM85B 0x62
76 #define LM85_VERSTEP_ADM1027 0x60
77 #define LM85_VERSTEP_ADT7463 0x62
78 #define LM85_VERSTEP_ADT7463C 0x6A
79 #define LM85_VERSTEP_EMC6D100_A0 0x60
80 #define LM85_VERSTEP_EMC6D100_A1 0x61
81 #define LM85_VERSTEP_EMC6D102 0x65
82
83 #define LM85_REG_CONFIG 0x40
84
85 #define LM85_REG_ALARM1 0x41
86 #define LM85_REG_ALARM2 0x42
87
88 #define LM85_REG_VID 0x43
89
90 /* Automated FAN control */
91 #define LM85_REG_AFAN_CONFIG(nr) (0x5c + (nr))
92 #define LM85_REG_AFAN_RANGE(nr) (0x5f + (nr))
93 #define LM85_REG_AFAN_SPIKE1 0x62
94 #define LM85_REG_AFAN_SPIKE2 0x63
95 #define LM85_REG_AFAN_MINPWM(nr) (0x64 + (nr))
96 #define LM85_REG_AFAN_LIMIT(nr) (0x67 + (nr))
97 #define LM85_REG_AFAN_CRITICAL(nr) (0x6a + (nr))
98 #define LM85_REG_AFAN_HYST1 0x6d
99 #define LM85_REG_AFAN_HYST2 0x6e
100
101 #define LM85_REG_TACH_MODE 0x74
102 #define LM85_REG_SPINUP_CTL 0x75
103
104 #define ADM1027_REG_TEMP_OFFSET(nr) (0x70 + (nr))
105 #define ADM1027_REG_CONFIG2 0x73
106 #define ADM1027_REG_INTMASK1 0x74
107 #define ADM1027_REG_INTMASK2 0x75
108 #define ADM1027_REG_EXTEND_ADC1 0x76
109 #define ADM1027_REG_EXTEND_ADC2 0x77
110 #define ADM1027_REG_CONFIG3 0x78
111 #define ADM1027_REG_FAN_PPR 0x7b
112
113 #define ADT7463_REG_THERM 0x79
114 #define ADT7463_REG_THERM_LIMIT 0x7A
115
116 #define EMC6D100_REG_ALARM3 0x7d
117 /* IN5, IN6 and IN7 */
118 #define EMC6D100_REG_IN(nr) (0x70 + ((nr)-5))
119 #define EMC6D100_REG_IN_MIN(nr) (0x73 + ((nr)-5) * 2)
120 #define EMC6D100_REG_IN_MAX(nr) (0x74 + ((nr)-5) * 2)
121 #define EMC6D102_REG_EXTEND_ADC1 0x85
122 #define EMC6D102_REG_EXTEND_ADC2 0x86
123 #define EMC6D102_REG_EXTEND_ADC3 0x87
124 #define EMC6D102_REG_EXTEND_ADC4 0x88
125
126
127 /* Conversions. Rounding and limit checking is only done on the TO_REG
128 variants. Note that you should be a bit careful with which arguments
129 these macros are called: arguments may be evaluated more than once.
130 */
131
132 /* IN are scaled acording to built-in resistors */
133 static int lm85_scaling[] = { /* .001 Volts */
134 2500, 2250, 3300, 5000, 12000,
135 3300, 1500, 1800 /*EMC6D100*/
136 };
137 #define SCALE(val,from,to) (((val)*(to) + ((from)/2))/(from))
138
139 #define INS_TO_REG(n,val) \
140 SENSORS_LIMIT(SCALE(val,lm85_scaling[n],192),0,255)
141
142 #define INSEXT_FROM_REG(n,val,ext) \
143 SCALE(((val) << 4) + (ext), 192 << 4, lm85_scaling[n])
144
145 #define INS_FROM_REG(n,val) SCALE((val), 192, lm85_scaling[n])
146
147 /* FAN speed is measured using 90kHz clock */
148 static inline u16 FAN_TO_REG(unsigned long val)
149 {
150 if (!val)
151 return 0xffff;
152 return SENSORS_LIMIT(5400000 / val, 1, 0xfffe);
153 }
154 #define FAN_FROM_REG(val) ((val)==0?-1:(val)==0xffff?0:5400000/(val))
155
156 /* Temperature is reported in .001 degC increments */
157 #define TEMP_TO_REG(val) \
158 SENSORS_LIMIT(SCALE(val,1000,1),-127,127)
159 #define TEMPEXT_FROM_REG(val,ext) \
160 SCALE(((val) << 4) + (ext), 16, 1000)
161 #define TEMP_FROM_REG(val) ((val) * 1000)
162
163 #define PWM_TO_REG(val) (SENSORS_LIMIT(val,0,255))
164 #define PWM_FROM_REG(val) (val)
165
166
167 /* ZONEs have the following parameters:
168 * Limit (low) temp, 1. degC
169 * Hysteresis (below limit), 1. degC (0-15)
170 * Range of speed control, .1 degC (2-80)
171 * Critical (high) temp, 1. degC
172 *
173 * FAN PWMs have the following parameters:
174 * Reference Zone, 1, 2, 3, etc.
175 * Spinup time, .05 sec
176 * PWM value at limit/low temp, 1 count
177 * PWM Frequency, 1. Hz
178 * PWM is Min or OFF below limit, flag
179 * Invert PWM output, flag
180 *
181 * Some chips filter the temp, others the fan.
182 * Filter constant (or disabled) .1 seconds
183 */
184
185 /* These are the zone temperature range encodings in .001 degree C */
186 static int lm85_range_map[] = {
187 2000, 2500, 3300, 4000, 5000, 6600,
188 8000, 10000, 13300, 16000, 20000, 26600,
189 32000, 40000, 53300, 80000
190 };
191 static int RANGE_TO_REG( int range )
192 {
193 int i;
194
195 if ( range < lm85_range_map[0] ) {
196 return 0 ;
197 } else if ( range > lm85_range_map[15] ) {
198 return 15 ;
199 } else { /* find closest match */
200 for ( i = 14 ; i >= 0 ; --i ) {
201 if ( range > lm85_range_map[i] ) { /* range bracketed */
202 if ((lm85_range_map[i+1] - range) <
203 (range - lm85_range_map[i])) {
204 i++;
205 break;
206 }
207 break;
208 }
209 }
210 }
211 return( i & 0x0f );
212 }
213 #define RANGE_FROM_REG(val) (lm85_range_map[(val)&0x0f])
214
215 /* These are the Acoustic Enhancement, or Temperature smoothing encodings
216 * NOTE: The enable/disable bit is INCLUDED in these encodings as the
217 * MSB (bit 3, value 8). If the enable bit is 0, the encoded value
218 * is ignored, or set to 0.
219 */
220 /* These are the PWM frequency encodings */
221 static int lm85_freq_map[] = { /* .1 Hz */
222 100, 150, 230, 300, 380, 470, 620, 940
223 };
224 static int FREQ_TO_REG( int freq )
225 {
226 int i;
227
228 if( freq >= lm85_freq_map[7] ) { return 7 ; }
229 for( i = 0 ; i < 7 ; ++i )
230 if( freq <= lm85_freq_map[i] )
231 break ;
232 return( i & 0x07 );
233 }
234 #define FREQ_FROM_REG(val) (lm85_freq_map[(val)&0x07])
235
236 /* Since we can't use strings, I'm abusing these numbers
237 * to stand in for the following meanings:
238 * 1 -- PWM responds to Zone 1
239 * 2 -- PWM responds to Zone 2
240 * 3 -- PWM responds to Zone 3
241 * 23 -- PWM responds to the higher temp of Zone 2 or 3
242 * 123 -- PWM responds to highest of Zone 1, 2, or 3
243 * 0 -- PWM is always at 0% (ie, off)
244 * -1 -- PWM is always at 100%
245 * -2 -- PWM responds to manual control
246 */
247
248 static int lm85_zone_map[] = { 1, 2, 3, -1, 0, 23, 123, -2 };
249 #define ZONE_FROM_REG(val) (lm85_zone_map[((val)>>5)&0x07])
250
251 static int ZONE_TO_REG( int zone )
252 {
253 int i;
254
255 for( i = 0 ; i <= 7 ; ++i )
256 if( zone == lm85_zone_map[i] )
257 break ;
258 if( i > 7 ) /* Not found. */
259 i = 3; /* Always 100% */
260 return( (i & 0x07)<<5 );
261 }
262
263 #define HYST_TO_REG(val) (SENSORS_LIMIT(((val)+500)/1000,0,15))
264 #define HYST_FROM_REG(val) ((val)*1000)
265
266 #define OFFSET_TO_REG(val) (SENSORS_LIMIT((val)/25,-127,127))
267 #define OFFSET_FROM_REG(val) ((val)*25)
268
269 #define PPR_MASK(fan) (0x03<<(fan *2))
270 #define PPR_TO_REG(val,fan) (SENSORS_LIMIT((val)-1,0,3)<<(fan *2))
271 #define PPR_FROM_REG(val,fan) ((((val)>>(fan * 2))&0x03)+1)
272
273 /* Chip sampling rates
274 *
275 * Some sensors are not updated more frequently than once per second
276 * so it doesn't make sense to read them more often than that.
277 * We cache the results and return the saved data if the driver
278 * is called again before a second has elapsed.
279 *
280 * Also, there is significant configuration data for this chip
281 * given the automatic PWM fan control that is possible. There
282 * are about 47 bytes of config data to only 22 bytes of actual
283 * readings. So, we keep the config data up to date in the cache
284 * when it is written and only sample it once every 1 *minute*
285 */
286 #define LM85_DATA_INTERVAL (HZ + HZ / 2)
287 #define LM85_CONFIG_INTERVAL (1 * 60 * HZ)
288
289 /* LM85 can automatically adjust fan speeds based on temperature
290 * This structure encapsulates an entire Zone config. There are
291 * three zones (one for each temperature input) on the lm85
292 */
293 struct lm85_zone {
294 s8 limit; /* Low temp limit */
295 u8 hyst; /* Low limit hysteresis. (0-15) */
296 u8 range; /* Temp range, encoded */
297 s8 critical; /* "All fans ON" temp limit */
298 u8 off_desired; /* Actual "off" temperature specified. Preserved
299 * to prevent "drift" as other autofan control
300 * values change.
301 */
302 u8 max_desired; /* Actual "max" temperature specified. Preserved
303 * to prevent "drift" as other autofan control
304 * values change.
305 */
306 };
307
308 struct lm85_autofan {
309 u8 config; /* Register value */
310 u8 freq; /* PWM frequency, encoded */
311 u8 min_pwm; /* Minimum PWM value, encoded */
312 u8 min_off; /* Min PWM or OFF below "limit", flag */
313 };
314
315 /* For each registered chip, we need to keep some data in memory.
316 The structure is dynamically allocated. */
317 struct lm85_data {
318 struct i2c_client client;
319 struct device *hwmon_dev;
320 enum chips type;
321
322 struct mutex update_lock;
323 int valid; /* !=0 if following fields are valid */
324 unsigned long last_reading; /* In jiffies */
325 unsigned long last_config; /* In jiffies */
326
327 u8 in[8]; /* Register value */
328 u8 in_max[8]; /* Register value */
329 u8 in_min[8]; /* Register value */
330 s8 temp[3]; /* Register value */
331 s8 temp_min[3]; /* Register value */
332 s8 temp_max[3]; /* Register value */
333 s8 temp_offset[3]; /* Register value */
334 u16 fan[4]; /* Register value */
335 u16 fan_min[4]; /* Register value */
336 u8 pwm[3]; /* Register value */
337 u8 spinup_ctl; /* Register encoding, combined */
338 u8 tach_mode; /* Register encoding, combined */
339 u8 temp_ext[3]; /* Decoded values */
340 u8 in_ext[8]; /* Decoded values */
341 u8 fan_ppr; /* Register value */
342 u8 smooth[3]; /* Register encoding */
343 u8 vid; /* Register value */
344 u8 vrm; /* VRM version */
345 u8 syncpwm3; /* Saved PWM3 for TACH 2,3,4 config */
346 u8 oppoint[3]; /* Register value */
347 u16 tmin_ctl; /* Register value */
348 unsigned long therm_total; /* Cummulative therm count */
349 u8 therm_limit; /* Register value */
350 u32 alarms; /* Register encoding, combined */
351 struct lm85_autofan autofan[3];
352 struct lm85_zone zone[3];
353 };
354
355 static int lm85_attach_adapter(struct i2c_adapter *adapter);
356 static int lm85_detect(struct i2c_adapter *adapter, int address,
357 int kind);
358 static int lm85_detach_client(struct i2c_client *client);
359
360 static int lm85_read_value(struct i2c_client *client, u8 reg);
361 static int lm85_write_value(struct i2c_client *client, u8 reg, int value);
362 static struct lm85_data *lm85_update_device(struct device *dev);
363 static void lm85_init_client(struct i2c_client *client);
364
365
366 static struct i2c_driver lm85_driver = {
367 .driver = {
368 .name = "lm85",
369 },
370 .id = I2C_DRIVERID_LM85,
371 .attach_adapter = lm85_attach_adapter,
372 .detach_client = lm85_detach_client,
373 };
374
375
376 /* 4 Fans */
377 static ssize_t show_fan(struct device *dev, struct device_attribute *attr,
378 char *buf)
379 {
380 int nr = to_sensor_dev_attr(attr)->index;
381 struct lm85_data *data = lm85_update_device(dev);
382 return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan[nr]) );
383 }
384
385 static ssize_t show_fan_min(struct device *dev, struct device_attribute *attr,
386 char *buf)
387 {
388 int nr = to_sensor_dev_attr(attr)->index;
389 struct lm85_data *data = lm85_update_device(dev);
390 return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan_min[nr]) );
391 }
392
393 static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
394 const char *buf, size_t count)
395 {
396 int nr = to_sensor_dev_attr(attr)->index;
397 struct i2c_client *client = to_i2c_client(dev);
398 struct lm85_data *data = i2c_get_clientdata(client);
399 unsigned long val = simple_strtoul(buf, NULL, 10);
400
401 mutex_lock(&data->update_lock);
402 data->fan_min[nr] = FAN_TO_REG(val);
403 lm85_write_value(client, LM85_REG_FAN_MIN(nr), data->fan_min[nr]);
404 mutex_unlock(&data->update_lock);
405 return count;
406 }
407
408 #define show_fan_offset(offset) \
409 static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, \
410 show_fan, NULL, offset - 1); \
411 static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
412 show_fan_min, set_fan_min, offset - 1)
413
414 show_fan_offset(1);
415 show_fan_offset(2);
416 show_fan_offset(3);
417 show_fan_offset(4);
418
419 /* vid, vrm, alarms */
420
421 static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
422 {
423 struct lm85_data *data = lm85_update_device(dev);
424 int vid;
425
426 if (data->type == adt7463 && (data->vid & 0x80)) {
427 /* 6-pin VID (VRM 10) */
428 vid = vid_from_reg(data->vid & 0x3f, data->vrm);
429 } else {
430 /* 5-pin VID (VRM 9) */
431 vid = vid_from_reg(data->vid & 0x1f, data->vrm);
432 }
433
434 return sprintf(buf, "%d\n", vid);
435 }
436
437 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
438
439 static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
440 {
441 struct lm85_data *data = dev_get_drvdata(dev);
442 return sprintf(buf, "%ld\n", (long) data->vrm);
443 }
444
445 static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
446 {
447 struct i2c_client *client = to_i2c_client(dev);
448 struct lm85_data *data = i2c_get_clientdata(client);
449 u32 val;
450
451 val = simple_strtoul(buf, NULL, 10);
452 data->vrm = val;
453 return count;
454 }
455
456 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
457
458 static ssize_t show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
459 {
460 struct lm85_data *data = lm85_update_device(dev);
461 return sprintf(buf, "%u\n", data->alarms);
462 }
463
464 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
465
466 static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
467 char *buf)
468 {
469 int nr = to_sensor_dev_attr(attr)->index;
470 struct lm85_data *data = lm85_update_device(dev);
471 return sprintf(buf, "%u\n", (data->alarms >> nr) & 1);
472 }
473
474 static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
475 static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
476 static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
477 static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
478 static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8);
479 static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 18);
480 static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 16);
481 static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 17);
482 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
483 static SENSOR_DEVICE_ATTR(temp1_fault, S_IRUGO, show_alarm, NULL, 14);
484 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5);
485 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 6);
486 static SENSOR_DEVICE_ATTR(temp3_fault, S_IRUGO, show_alarm, NULL, 15);
487 static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 10);
488 static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 11);
489 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 12);
490 static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 13);
491
492 /* pwm */
493
494 static ssize_t show_pwm(struct device *dev, struct device_attribute *attr,
495 char *buf)
496 {
497 int nr = to_sensor_dev_attr(attr)->index;
498 struct lm85_data *data = lm85_update_device(dev);
499 return sprintf(buf,"%d\n", PWM_FROM_REG(data->pwm[nr]) );
500 }
501
502 static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
503 const char *buf, size_t count)
504 {
505 int nr = to_sensor_dev_attr(attr)->index;
506 struct i2c_client *client = to_i2c_client(dev);
507 struct lm85_data *data = i2c_get_clientdata(client);
508 long val = simple_strtol(buf, NULL, 10);
509
510 mutex_lock(&data->update_lock);
511 data->pwm[nr] = PWM_TO_REG(val);
512 lm85_write_value(client, LM85_REG_PWM(nr), data->pwm[nr]);
513 mutex_unlock(&data->update_lock);
514 return count;
515 }
516
517 static ssize_t show_pwm_enable(struct device *dev, struct device_attribute
518 *attr, char *buf)
519 {
520 int nr = to_sensor_dev_attr(attr)->index;
521 struct lm85_data *data = lm85_update_device(dev);
522 int pwm_zone, enable;
523
524 pwm_zone = ZONE_FROM_REG(data->autofan[nr].config);
525 switch (pwm_zone) {
526 case -1: /* PWM is always at 100% */
527 enable = 0;
528 break;
529 case 0: /* PWM is always at 0% */
530 case -2: /* PWM responds to manual control */
531 enable = 1;
532 break;
533 default: /* PWM in automatic mode */
534 enable = 2;
535 }
536 return sprintf(buf, "%d\n", enable);
537 }
538
539 #define show_pwm_reg(offset) \
540 static SENSOR_DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \
541 show_pwm, set_pwm, offset - 1); \
542 static SENSOR_DEVICE_ATTR(pwm##offset##_enable, S_IRUGO, \
543 show_pwm_enable, NULL, offset - 1)
544
545 show_pwm_reg(1);
546 show_pwm_reg(2);
547 show_pwm_reg(3);
548
549 /* Voltages */
550
551 static ssize_t show_in(struct device *dev, struct device_attribute *attr,
552 char *buf)
553 {
554 int nr = to_sensor_dev_attr(attr)->index;
555 struct lm85_data *data = lm85_update_device(dev);
556 return sprintf( buf, "%d\n", INSEXT_FROM_REG(nr,
557 data->in[nr],
558 data->in_ext[nr]));
559 }
560
561 static ssize_t show_in_min(struct device *dev, struct device_attribute *attr,
562 char *buf)
563 {
564 int nr = to_sensor_dev_attr(attr)->index;
565 struct lm85_data *data = lm85_update_device(dev);
566 return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in_min[nr]) );
567 }
568
569 static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
570 const char *buf, size_t count)
571 {
572 int nr = to_sensor_dev_attr(attr)->index;
573 struct i2c_client *client = to_i2c_client(dev);
574 struct lm85_data *data = i2c_get_clientdata(client);
575 long val = simple_strtol(buf, NULL, 10);
576
577 mutex_lock(&data->update_lock);
578 data->in_min[nr] = INS_TO_REG(nr, val);
579 lm85_write_value(client, LM85_REG_IN_MIN(nr), data->in_min[nr]);
580 mutex_unlock(&data->update_lock);
581 return count;
582 }
583
584 static ssize_t show_in_max(struct device *dev, struct device_attribute *attr,
585 char *buf)
586 {
587 int nr = to_sensor_dev_attr(attr)->index;
588 struct lm85_data *data = lm85_update_device(dev);
589 return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in_max[nr]) );
590 }
591
592 static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
593 const char *buf, size_t count)
594 {
595 int nr = to_sensor_dev_attr(attr)->index;
596 struct i2c_client *client = to_i2c_client(dev);
597 struct lm85_data *data = i2c_get_clientdata(client);
598 long val = simple_strtol(buf, NULL, 10);
599
600 mutex_lock(&data->update_lock);
601 data->in_max[nr] = INS_TO_REG(nr, val);
602 lm85_write_value(client, LM85_REG_IN_MAX(nr), data->in_max[nr]);
603 mutex_unlock(&data->update_lock);
604 return count;
605 }
606
607 #define show_in_reg(offset) \
608 static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \
609 show_in, NULL, offset); \
610 static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
611 show_in_min, set_in_min, offset); \
612 static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
613 show_in_max, set_in_max, offset)
614
615 show_in_reg(0);
616 show_in_reg(1);
617 show_in_reg(2);
618 show_in_reg(3);
619 show_in_reg(4);
620 show_in_reg(5);
621 show_in_reg(6);
622 show_in_reg(7);
623
624 /* Temps */
625
626 static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
627 char *buf)
628 {
629 int nr = to_sensor_dev_attr(attr)->index;
630 struct lm85_data *data = lm85_update_device(dev);
631 return sprintf(buf,"%d\n", TEMPEXT_FROM_REG(data->temp[nr],
632 data->temp_ext[nr]));
633 }
634
635 static ssize_t show_temp_min(struct device *dev, struct device_attribute *attr,
636 char *buf)
637 {
638 int nr = to_sensor_dev_attr(attr)->index;
639 struct lm85_data *data = lm85_update_device(dev);
640 return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_min[nr]) );
641 }
642
643 static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
644 const char *buf, size_t count)
645 {
646 int nr = to_sensor_dev_attr(attr)->index;
647 struct i2c_client *client = to_i2c_client(dev);
648 struct lm85_data *data = i2c_get_clientdata(client);
649 long val = simple_strtol(buf, NULL, 10);
650
651 mutex_lock(&data->update_lock);
652 data->temp_min[nr] = TEMP_TO_REG(val);
653 lm85_write_value(client, LM85_REG_TEMP_MIN(nr), data->temp_min[nr]);
654 mutex_unlock(&data->update_lock);
655 return count;
656 }
657
658 static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr,
659 char *buf)
660 {
661 int nr = to_sensor_dev_attr(attr)->index;
662 struct lm85_data *data = lm85_update_device(dev);
663 return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_max[nr]) );
664 }
665
666 static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
667 const char *buf, size_t count)
668 {
669 int nr = to_sensor_dev_attr(attr)->index;
670 struct i2c_client *client = to_i2c_client(dev);
671 struct lm85_data *data = i2c_get_clientdata(client);
672 long val = simple_strtol(buf, NULL, 10);
673
674 mutex_lock(&data->update_lock);
675 data->temp_max[nr] = TEMP_TO_REG(val);
676 lm85_write_value(client, LM85_REG_TEMP_MAX(nr), data->temp_max[nr]);
677 mutex_unlock(&data->update_lock);
678 return count;
679 }
680
681 #define show_temp_reg(offset) \
682 static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \
683 show_temp, NULL, offset - 1); \
684 static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \
685 show_temp_min, set_temp_min, offset - 1); \
686 static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \
687 show_temp_max, set_temp_max, offset - 1);
688
689 show_temp_reg(1);
690 show_temp_reg(2);
691 show_temp_reg(3);
692
693
694 /* Automatic PWM control */
695
696 static ssize_t show_pwm_auto_channels(struct device *dev,
697 struct device_attribute *attr, char *buf)
698 {
699 int nr = to_sensor_dev_attr(attr)->index;
700 struct lm85_data *data = lm85_update_device(dev);
701 return sprintf(buf,"%d\n", ZONE_FROM_REG(data->autofan[nr].config));
702 }
703
704 static ssize_t set_pwm_auto_channels(struct device *dev,
705 struct device_attribute *attr, const char *buf, size_t count)
706 {
707 int nr = to_sensor_dev_attr(attr)->index;
708 struct i2c_client *client = to_i2c_client(dev);
709 struct lm85_data *data = i2c_get_clientdata(client);
710 long val = simple_strtol(buf, NULL, 10);
711
712 mutex_lock(&data->update_lock);
713 data->autofan[nr].config = (data->autofan[nr].config & (~0xe0))
714 | ZONE_TO_REG(val) ;
715 lm85_write_value(client, LM85_REG_AFAN_CONFIG(nr),
716 data->autofan[nr].config);
717 mutex_unlock(&data->update_lock);
718 return count;
719 }
720
721 static ssize_t show_pwm_auto_pwm_min(struct device *dev,
722 struct device_attribute *attr, char *buf)
723 {
724 int nr = to_sensor_dev_attr(attr)->index;
725 struct lm85_data *data = lm85_update_device(dev);
726 return sprintf(buf,"%d\n", PWM_FROM_REG(data->autofan[nr].min_pwm));
727 }
728
729 static ssize_t set_pwm_auto_pwm_min(struct device *dev,
730 struct device_attribute *attr, const char *buf, size_t count)
731 {
732 int nr = to_sensor_dev_attr(attr)->index;
733 struct i2c_client *client = to_i2c_client(dev);
734 struct lm85_data *data = i2c_get_clientdata(client);
735 long val = simple_strtol(buf, NULL, 10);
736
737 mutex_lock(&data->update_lock);
738 data->autofan[nr].min_pwm = PWM_TO_REG(val);
739 lm85_write_value(client, LM85_REG_AFAN_MINPWM(nr),
740 data->autofan[nr].min_pwm);
741 mutex_unlock(&data->update_lock);
742 return count;
743 }
744
745 static ssize_t show_pwm_auto_pwm_minctl(struct device *dev,
746 struct device_attribute *attr, char *buf)
747 {
748 int nr = to_sensor_dev_attr(attr)->index;
749 struct lm85_data *data = lm85_update_device(dev);
750 return sprintf(buf,"%d\n", data->autofan[nr].min_off);
751 }
752
753 static ssize_t set_pwm_auto_pwm_minctl(struct device *dev,
754 struct device_attribute *attr, const char *buf, size_t count)
755 {
756 int nr = to_sensor_dev_attr(attr)->index;
757 struct i2c_client *client = to_i2c_client(dev);
758 struct lm85_data *data = i2c_get_clientdata(client);
759 long val = simple_strtol(buf, NULL, 10);
760
761 mutex_lock(&data->update_lock);
762 data->autofan[nr].min_off = val;
763 lm85_write_value(client, LM85_REG_AFAN_SPIKE1, data->smooth[0]
764 | data->syncpwm3
765 | (data->autofan[0].min_off ? 0x20 : 0)
766 | (data->autofan[1].min_off ? 0x40 : 0)
767 | (data->autofan[2].min_off ? 0x80 : 0)
768 );
769 mutex_unlock(&data->update_lock);
770 return count;
771 }
772
773 static ssize_t show_pwm_auto_pwm_freq(struct device *dev,
774 struct device_attribute *attr, char *buf)
775 {
776 int nr = to_sensor_dev_attr(attr)->index;
777 struct lm85_data *data = lm85_update_device(dev);
778 return sprintf(buf,"%d\n", FREQ_FROM_REG(data->autofan[nr].freq));
779 }
780
781 static ssize_t set_pwm_auto_pwm_freq(struct device *dev,
782 struct device_attribute *attr, const char *buf, size_t count)
783 {
784 int nr = to_sensor_dev_attr(attr)->index;
785 struct i2c_client *client = to_i2c_client(dev);
786 struct lm85_data *data = i2c_get_clientdata(client);
787 long val = simple_strtol(buf, NULL, 10);
788
789 mutex_lock(&data->update_lock);
790 data->autofan[nr].freq = FREQ_TO_REG(val);
791 lm85_write_value(client, LM85_REG_AFAN_RANGE(nr),
792 (data->zone[nr].range << 4)
793 | data->autofan[nr].freq
794 );
795 mutex_unlock(&data->update_lock);
796 return count;
797 }
798
799 #define pwm_auto(offset) \
800 static SENSOR_DEVICE_ATTR(pwm##offset##_auto_channels, \
801 S_IRUGO | S_IWUSR, show_pwm_auto_channels, \
802 set_pwm_auto_channels, offset - 1); \
803 static SENSOR_DEVICE_ATTR(pwm##offset##_auto_pwm_min, \
804 S_IRUGO | S_IWUSR, show_pwm_auto_pwm_min, \
805 set_pwm_auto_pwm_min, offset - 1); \
806 static SENSOR_DEVICE_ATTR(pwm##offset##_auto_pwm_minctl, \
807 S_IRUGO | S_IWUSR, show_pwm_auto_pwm_minctl, \
808 set_pwm_auto_pwm_minctl, offset - 1); \
809 static SENSOR_DEVICE_ATTR(pwm##offset##_auto_pwm_freq, \
810 S_IRUGO | S_IWUSR, show_pwm_auto_pwm_freq, \
811 set_pwm_auto_pwm_freq, offset - 1);
812
813 pwm_auto(1);
814 pwm_auto(2);
815 pwm_auto(3);
816
817 /* Temperature settings for automatic PWM control */
818
819 static ssize_t show_temp_auto_temp_off(struct device *dev,
820 struct device_attribute *attr, char *buf)
821 {
822 int nr = to_sensor_dev_attr(attr)->index;
823 struct lm85_data *data = lm85_update_device(dev);
824 return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) -
825 HYST_FROM_REG(data->zone[nr].hyst));
826 }
827
828 static ssize_t set_temp_auto_temp_off(struct device *dev,
829 struct device_attribute *attr, const char *buf, size_t count)
830 {
831 int nr = to_sensor_dev_attr(attr)->index;
832 struct i2c_client *client = to_i2c_client(dev);
833 struct lm85_data *data = i2c_get_clientdata(client);
834 int min;
835 long val = simple_strtol(buf, NULL, 10);
836
837 mutex_lock(&data->update_lock);
838 min = TEMP_FROM_REG(data->zone[nr].limit);
839 data->zone[nr].off_desired = TEMP_TO_REG(val);
840 data->zone[nr].hyst = HYST_TO_REG(min - val);
841 if ( nr == 0 || nr == 1 ) {
842 lm85_write_value(client, LM85_REG_AFAN_HYST1,
843 (data->zone[0].hyst << 4)
844 | data->zone[1].hyst
845 );
846 } else {
847 lm85_write_value(client, LM85_REG_AFAN_HYST2,
848 (data->zone[2].hyst << 4)
849 );
850 }
851 mutex_unlock(&data->update_lock);
852 return count;
853 }
854
855 static ssize_t show_temp_auto_temp_min(struct device *dev,
856 struct device_attribute *attr, char *buf)
857 {
858 int nr = to_sensor_dev_attr(attr)->index;
859 struct lm85_data *data = lm85_update_device(dev);
860 return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) );
861 }
862
863 static ssize_t set_temp_auto_temp_min(struct device *dev,
864 struct device_attribute *attr, const char *buf, size_t count)
865 {
866 int nr = to_sensor_dev_attr(attr)->index;
867 struct i2c_client *client = to_i2c_client(dev);
868 struct lm85_data *data = i2c_get_clientdata(client);
869 long val = simple_strtol(buf, NULL, 10);
870
871 mutex_lock(&data->update_lock);
872 data->zone[nr].limit = TEMP_TO_REG(val);
873 lm85_write_value(client, LM85_REG_AFAN_LIMIT(nr),
874 data->zone[nr].limit);
875
876 /* Update temp_auto_max and temp_auto_range */
877 data->zone[nr].range = RANGE_TO_REG(
878 TEMP_FROM_REG(data->zone[nr].max_desired) -
879 TEMP_FROM_REG(data->zone[nr].limit));
880 lm85_write_value(client, LM85_REG_AFAN_RANGE(nr),
881 ((data->zone[nr].range & 0x0f) << 4)
882 | (data->autofan[nr].freq & 0x07));
883
884 /* Update temp_auto_hyst and temp_auto_off */
885 data->zone[nr].hyst = HYST_TO_REG(TEMP_FROM_REG(
886 data->zone[nr].limit) - TEMP_FROM_REG(
887 data->zone[nr].off_desired));
888 if ( nr == 0 || nr == 1 ) {
889 lm85_write_value(client, LM85_REG_AFAN_HYST1,
890 (data->zone[0].hyst << 4)
891 | data->zone[1].hyst
892 );
893 } else {
894 lm85_write_value(client, LM85_REG_AFAN_HYST2,
895 (data->zone[2].hyst << 4)
896 );
897 }
898 mutex_unlock(&data->update_lock);
899 return count;
900 }
901
902 static ssize_t show_temp_auto_temp_max(struct device *dev,
903 struct device_attribute *attr, char *buf)
904 {
905 int nr = to_sensor_dev_attr(attr)->index;
906 struct lm85_data *data = lm85_update_device(dev);
907 return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) +
908 RANGE_FROM_REG(data->zone[nr].range));
909 }
910
911 static ssize_t set_temp_auto_temp_max(struct device *dev,
912 struct device_attribute *attr, const char *buf, size_t count)
913 {
914 int nr = to_sensor_dev_attr(attr)->index;
915 struct i2c_client *client = to_i2c_client(dev);
916 struct lm85_data *data = i2c_get_clientdata(client);
917 int min;
918 long val = simple_strtol(buf, NULL, 10);
919
920 mutex_lock(&data->update_lock);
921 min = TEMP_FROM_REG(data->zone[nr].limit);
922 data->zone[nr].max_desired = TEMP_TO_REG(val);
923 data->zone[nr].range = RANGE_TO_REG(
924 val - min);
925 lm85_write_value(client, LM85_REG_AFAN_RANGE(nr),
926 ((data->zone[nr].range & 0x0f) << 4)
927 | (data->autofan[nr].freq & 0x07));
928 mutex_unlock(&data->update_lock);
929 return count;
930 }
931
932 static ssize_t show_temp_auto_temp_crit(struct device *dev,
933 struct device_attribute *attr, char *buf)
934 {
935 int nr = to_sensor_dev_attr(attr)->index;
936 struct lm85_data *data = lm85_update_device(dev);
937 return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].critical));
938 }
939
940 static ssize_t set_temp_auto_temp_crit(struct device *dev,
941 struct device_attribute *attr,const char *buf, size_t count)
942 {
943 int nr = to_sensor_dev_attr(attr)->index;
944 struct i2c_client *client = to_i2c_client(dev);
945 struct lm85_data *data = i2c_get_clientdata(client);
946 long val = simple_strtol(buf, NULL, 10);
947
948 mutex_lock(&data->update_lock);
949 data->zone[nr].critical = TEMP_TO_REG(val);
950 lm85_write_value(client, LM85_REG_AFAN_CRITICAL(nr),
951 data->zone[nr].critical);
952 mutex_unlock(&data->update_lock);
953 return count;
954 }
955
956 #define temp_auto(offset) \
957 static SENSOR_DEVICE_ATTR(temp##offset##_auto_temp_off, \
958 S_IRUGO | S_IWUSR, show_temp_auto_temp_off, \
959 set_temp_auto_temp_off, offset - 1); \
960 static SENSOR_DEVICE_ATTR(temp##offset##_auto_temp_min, \
961 S_IRUGO | S_IWUSR, show_temp_auto_temp_min, \
962 set_temp_auto_temp_min, offset - 1); \
963 static SENSOR_DEVICE_ATTR(temp##offset##_auto_temp_max, \
964 S_IRUGO | S_IWUSR, show_temp_auto_temp_max, \
965 set_temp_auto_temp_max, offset - 1); \
966 static SENSOR_DEVICE_ATTR(temp##offset##_auto_temp_crit, \
967 S_IRUGO | S_IWUSR, show_temp_auto_temp_crit, \
968 set_temp_auto_temp_crit, offset - 1);
969
970 temp_auto(1);
971 temp_auto(2);
972 temp_auto(3);
973
974 static int lm85_attach_adapter(struct i2c_adapter *adapter)
975 {
976 if (!(adapter->class & I2C_CLASS_HWMON))
977 return 0;
978 return i2c_probe(adapter, &addr_data, lm85_detect);
979 }
980
981 static struct attribute *lm85_attributes[] = {
982 &sensor_dev_attr_fan1_input.dev_attr.attr,
983 &sensor_dev_attr_fan2_input.dev_attr.attr,
984 &sensor_dev_attr_fan3_input.dev_attr.attr,
985 &sensor_dev_attr_fan4_input.dev_attr.attr,
986 &sensor_dev_attr_fan1_min.dev_attr.attr,
987 &sensor_dev_attr_fan2_min.dev_attr.attr,
988 &sensor_dev_attr_fan3_min.dev_attr.attr,
989 &sensor_dev_attr_fan4_min.dev_attr.attr,
990 &sensor_dev_attr_fan1_alarm.dev_attr.attr,
991 &sensor_dev_attr_fan2_alarm.dev_attr.attr,
992 &sensor_dev_attr_fan3_alarm.dev_attr.attr,
993 &sensor_dev_attr_fan4_alarm.dev_attr.attr,
994
995 &sensor_dev_attr_pwm1.dev_attr.attr,
996 &sensor_dev_attr_pwm2.dev_attr.attr,
997 &sensor_dev_attr_pwm3.dev_attr.attr,
998 &sensor_dev_attr_pwm1_enable.dev_attr.attr,
999 &sensor_dev_attr_pwm2_enable.dev_attr.attr,
1000 &sensor_dev_attr_pwm3_enable.dev_attr.attr,
1001
1002 &sensor_dev_attr_in0_input.dev_attr.attr,
1003 &sensor_dev_attr_in1_input.dev_attr.attr,
1004 &sensor_dev_attr_in2_input.dev_attr.attr,
1005 &sensor_dev_attr_in3_input.dev_attr.attr,
1006 &sensor_dev_attr_in0_min.dev_attr.attr,
1007 &sensor_dev_attr_in1_min.dev_attr.attr,
1008 &sensor_dev_attr_in2_min.dev_attr.attr,
1009 &sensor_dev_attr_in3_min.dev_attr.attr,
1010 &sensor_dev_attr_in0_max.dev_attr.attr,
1011 &sensor_dev_attr_in1_max.dev_attr.attr,
1012 &sensor_dev_attr_in2_max.dev_attr.attr,
1013 &sensor_dev_attr_in3_max.dev_attr.attr,
1014 &sensor_dev_attr_in0_alarm.dev_attr.attr,
1015 &sensor_dev_attr_in1_alarm.dev_attr.attr,
1016 &sensor_dev_attr_in2_alarm.dev_attr.attr,
1017 &sensor_dev_attr_in3_alarm.dev_attr.attr,
1018
1019 &sensor_dev_attr_temp1_input.dev_attr.attr,
1020 &sensor_dev_attr_temp2_input.dev_attr.attr,
1021 &sensor_dev_attr_temp3_input.dev_attr.attr,
1022 &sensor_dev_attr_temp1_min.dev_attr.attr,
1023 &sensor_dev_attr_temp2_min.dev_attr.attr,
1024 &sensor_dev_attr_temp3_min.dev_attr.attr,
1025 &sensor_dev_attr_temp1_max.dev_attr.attr,
1026 &sensor_dev_attr_temp2_max.dev_attr.attr,
1027 &sensor_dev_attr_temp3_max.dev_attr.attr,
1028 &sensor_dev_attr_temp1_alarm.dev_attr.attr,
1029 &sensor_dev_attr_temp2_alarm.dev_attr.attr,
1030 &sensor_dev_attr_temp3_alarm.dev_attr.attr,
1031 &sensor_dev_attr_temp1_fault.dev_attr.attr,
1032 &sensor_dev_attr_temp3_fault.dev_attr.attr,
1033
1034 &sensor_dev_attr_pwm1_auto_channels.dev_attr.attr,
1035 &sensor_dev_attr_pwm2_auto_channels.dev_attr.attr,
1036 &sensor_dev_attr_pwm3_auto_channels.dev_attr.attr,
1037 &sensor_dev_attr_pwm1_auto_pwm_min.dev_attr.attr,
1038 &sensor_dev_attr_pwm2_auto_pwm_min.dev_attr.attr,
1039 &sensor_dev_attr_pwm3_auto_pwm_min.dev_attr.attr,
1040 &sensor_dev_attr_pwm1_auto_pwm_minctl.dev_attr.attr,
1041 &sensor_dev_attr_pwm2_auto_pwm_minctl.dev_attr.attr,
1042 &sensor_dev_attr_pwm3_auto_pwm_minctl.dev_attr.attr,
1043 &sensor_dev_attr_pwm1_auto_pwm_freq.dev_attr.attr,
1044 &sensor_dev_attr_pwm2_auto_pwm_freq.dev_attr.attr,
1045 &sensor_dev_attr_pwm3_auto_pwm_freq.dev_attr.attr,
1046
1047 &sensor_dev_attr_temp1_auto_temp_off.dev_attr.attr,
1048 &sensor_dev_attr_temp2_auto_temp_off.dev_attr.attr,
1049 &sensor_dev_attr_temp3_auto_temp_off.dev_attr.attr,
1050 &sensor_dev_attr_temp1_auto_temp_min.dev_attr.attr,
1051 &sensor_dev_attr_temp2_auto_temp_min.dev_attr.attr,
1052 &sensor_dev_attr_temp3_auto_temp_min.dev_attr.attr,
1053 &sensor_dev_attr_temp1_auto_temp_max.dev_attr.attr,
1054 &sensor_dev_attr_temp2_auto_temp_max.dev_attr.attr,
1055 &sensor_dev_attr_temp3_auto_temp_max.dev_attr.attr,
1056 &sensor_dev_attr_temp1_auto_temp_crit.dev_attr.attr,
1057 &sensor_dev_attr_temp2_auto_temp_crit.dev_attr.attr,
1058 &sensor_dev_attr_temp3_auto_temp_crit.dev_attr.attr,
1059
1060 &dev_attr_vrm.attr,
1061 &dev_attr_cpu0_vid.attr,
1062 &dev_attr_alarms.attr,
1063 NULL
1064 };
1065
1066 static const struct attribute_group lm85_group = {
1067 .attrs = lm85_attributes,
1068 };
1069
1070 static struct attribute *lm85_attributes_in4[] = {
1071 &sensor_dev_attr_in4_input.dev_attr.attr,
1072 &sensor_dev_attr_in4_min.dev_attr.attr,
1073 &sensor_dev_attr_in4_max.dev_attr.attr,
1074 &sensor_dev_attr_in4_alarm.dev_attr.attr,
1075 NULL
1076 };
1077
1078 static const struct attribute_group lm85_group_in4 = {
1079 .attrs = lm85_attributes_in4,
1080 };
1081
1082 static struct attribute *lm85_attributes_in567[] = {
1083 &sensor_dev_attr_in5_input.dev_attr.attr,
1084 &sensor_dev_attr_in6_input.dev_attr.attr,
1085 &sensor_dev_attr_in7_input.dev_attr.attr,
1086 &sensor_dev_attr_in5_min.dev_attr.attr,
1087 &sensor_dev_attr_in6_min.dev_attr.attr,
1088 &sensor_dev_attr_in7_min.dev_attr.attr,
1089 &sensor_dev_attr_in5_max.dev_attr.attr,
1090 &sensor_dev_attr_in6_max.dev_attr.attr,
1091 &sensor_dev_attr_in7_max.dev_attr.attr,
1092 &sensor_dev_attr_in5_alarm.dev_attr.attr,
1093 &sensor_dev_attr_in6_alarm.dev_attr.attr,
1094 &sensor_dev_attr_in7_alarm.dev_attr.attr,
1095 NULL
1096 };
1097
1098 static const struct attribute_group lm85_group_in567 = {
1099 .attrs = lm85_attributes_in567,
1100 };
1101
1102 static int lm85_detect(struct i2c_adapter *adapter, int address,
1103 int kind)
1104 {
1105 int company, verstep ;
1106 struct i2c_client *new_client = NULL;
1107 struct lm85_data *data;
1108 int err = 0;
1109 const char *type_name = "";
1110
1111 if (!i2c_check_functionality(adapter,
1112 I2C_FUNC_SMBUS_BYTE_DATA)) {
1113 /* We need to be able to do byte I/O */
1114 goto ERROR0 ;
1115 };
1116
1117 /* OK. For now, we presume we have a valid client. We now create the
1118 client structure, even though we cannot fill it completely yet.
1119 But it allows us to access lm85_{read,write}_value. */
1120
1121 if (!(data = kzalloc(sizeof(struct lm85_data), GFP_KERNEL))) {
1122 err = -ENOMEM;
1123 goto ERROR0;
1124 }
1125
1126 new_client = &data->client;
1127 i2c_set_clientdata(new_client, data);
1128 new_client->addr = address;
1129 new_client->adapter = adapter;
1130 new_client->driver = &lm85_driver;
1131 new_client->flags = 0;
1132
1133 /* Now, we do the remaining detection. */
1134
1135 company = lm85_read_value(new_client, LM85_REG_COMPANY);
1136 verstep = lm85_read_value(new_client, LM85_REG_VERSTEP);
1137
1138 dev_dbg(&adapter->dev, "Detecting device at %d,0x%02x with"
1139 " COMPANY: 0x%02x and VERSTEP: 0x%02x\n",
1140 i2c_adapter_id(new_client->adapter), new_client->addr,
1141 company, verstep);
1142
1143 /* If auto-detecting, Determine the chip type. */
1144 if (kind <= 0) {
1145 dev_dbg(&adapter->dev, "Autodetecting device at %d,0x%02x ...\n",
1146 i2c_adapter_id(adapter), address );
1147 if( company == LM85_COMPANY_NATIONAL
1148 && verstep == LM85_VERSTEP_LM85C ) {
1149 kind = lm85c ;
1150 } else if( company == LM85_COMPANY_NATIONAL
1151 && verstep == LM85_VERSTEP_LM85B ) {
1152 kind = lm85b ;
1153 } else if( company == LM85_COMPANY_NATIONAL
1154 && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC ) {
1155 dev_err(&adapter->dev, "Unrecognized version/stepping 0x%02x"
1156 " Defaulting to LM85.\n", verstep);
1157 kind = any_chip ;
1158 } else if( company == LM85_COMPANY_ANALOG_DEV
1159 && verstep == LM85_VERSTEP_ADM1027 ) {
1160 kind = adm1027 ;
1161 } else if( company == LM85_COMPANY_ANALOG_DEV
1162 && (verstep == LM85_VERSTEP_ADT7463
1163 || verstep == LM85_VERSTEP_ADT7463C) ) {
1164 kind = adt7463 ;
1165 } else if( company == LM85_COMPANY_ANALOG_DEV
1166 && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC ) {
1167 dev_err(&adapter->dev, "Unrecognized version/stepping 0x%02x"
1168 " Defaulting to Generic LM85.\n", verstep );
1169 kind = any_chip ;
1170 } else if( company == LM85_COMPANY_SMSC
1171 && (verstep == LM85_VERSTEP_EMC6D100_A0
1172 || verstep == LM85_VERSTEP_EMC6D100_A1) ) {
1173 /* Unfortunately, we can't tell a '100 from a '101
1174 * from the registers. Since a '101 is a '100
1175 * in a package with fewer pins and therefore no
1176 * 3.3V, 1.5V or 1.8V inputs, perhaps if those
1177 * inputs read 0, then it's a '101.
1178 */
1179 kind = emc6d100 ;
1180 } else if( company == LM85_COMPANY_SMSC
1181 && verstep == LM85_VERSTEP_EMC6D102) {
1182 kind = emc6d102 ;
1183 } else if( company == LM85_COMPANY_SMSC
1184 && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC) {
1185 dev_err(&adapter->dev, "lm85: Detected SMSC chip\n");
1186 dev_err(&adapter->dev, "lm85: Unrecognized version/stepping 0x%02x"
1187 " Defaulting to Generic LM85.\n", verstep );
1188 kind = any_chip ;
1189 } else if( kind == any_chip
1190 && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC) {
1191 dev_err(&adapter->dev, "Generic LM85 Version 6 detected\n");
1192 /* Leave kind as "any_chip" */
1193 } else {
1194 dev_dbg(&adapter->dev, "Autodetection failed\n");
1195 /* Not an LM85 ... */
1196 if( kind == any_chip ) { /* User used force=x,y */
1197 dev_err(&adapter->dev, "Generic LM85 Version 6 not"
1198 " found at %d,0x%02x. Try force_lm85c.\n",
1199 i2c_adapter_id(adapter), address );
1200 }
1201 err = 0 ;
1202 goto ERROR1;
1203 }
1204 }
1205
1206 /* Fill in the chip specific driver values */
1207 if ( kind == any_chip ) {
1208 type_name = "lm85";
1209 } else if ( kind == lm85b ) {
1210 type_name = "lm85b";
1211 } else if ( kind == lm85c ) {
1212 type_name = "lm85c";
1213 } else if ( kind == adm1027 ) {
1214 type_name = "adm1027";
1215 } else if ( kind == adt7463 ) {
1216 type_name = "adt7463";
1217 } else if ( kind == emc6d100){
1218 type_name = "emc6d100";
1219 } else if ( kind == emc6d102 ) {
1220 type_name = "emc6d102";
1221 }
1222 strlcpy(new_client->name, type_name, I2C_NAME_SIZE);
1223
1224 /* Fill in the remaining client fields */
1225 data->type = kind;
1226 data->valid = 0;
1227 mutex_init(&data->update_lock);
1228
1229 /* Tell the I2C layer a new client has arrived */
1230 if ((err = i2c_attach_client(new_client)))
1231 goto ERROR1;
1232
1233 /* Set the VRM version */
1234 data->vrm = vid_which_vrm();
1235
1236 /* Initialize the LM85 chip */
1237 lm85_init_client(new_client);
1238
1239 /* Register sysfs hooks */
1240 if ((err = sysfs_create_group(&new_client->dev.kobj, &lm85_group)))
1241 goto ERROR2;
1242
1243 /* The ADT7463 has an optional VRM 10 mode where pin 21 is used
1244 as a sixth digital VID input rather than an analog input. */
1245 data->vid = lm85_read_value(new_client, LM85_REG_VID);
1246 if (!(kind == adt7463 && (data->vid & 0x80)))
1247 if ((err = sysfs_create_group(&new_client->dev.kobj,
1248 &lm85_group_in4)))
1249 goto ERROR3;
1250
1251 /* The EMC6D100 has 3 additional voltage inputs */
1252 if (kind == emc6d100)
1253 if ((err = sysfs_create_group(&new_client->dev.kobj,
1254 &lm85_group_in567)))
1255 goto ERROR3;
1256
1257 data->hwmon_dev = hwmon_device_register(&new_client->dev);
1258 if (IS_ERR(data->hwmon_dev)) {
1259 err = PTR_ERR(data->hwmon_dev);
1260 goto ERROR3;
1261 }
1262
1263 return 0;
1264
1265 /* Error out and cleanup code */
1266 ERROR3:
1267 sysfs_remove_group(&new_client->dev.kobj, &lm85_group);
1268 sysfs_remove_group(&new_client->dev.kobj, &lm85_group_in4);
1269 if (kind == emc6d100)
1270 sysfs_remove_group(&new_client->dev.kobj, &lm85_group_in567);
1271 ERROR2:
1272 i2c_detach_client(new_client);
1273 ERROR1:
1274 kfree(data);
1275 ERROR0:
1276 return err;
1277 }
1278
1279 static int lm85_detach_client(struct i2c_client *client)
1280 {
1281 struct lm85_data *data = i2c_get_clientdata(client);
1282 hwmon_device_unregister(data->hwmon_dev);
1283 sysfs_remove_group(&client->dev.kobj, &lm85_group);
1284 sysfs_remove_group(&client->dev.kobj, &lm85_group_in4);
1285 if (data->type == emc6d100)
1286 sysfs_remove_group(&client->dev.kobj, &lm85_group_in567);
1287 i2c_detach_client(client);
1288 kfree(data);
1289 return 0;
1290 }
1291
1292
1293 static int lm85_read_value(struct i2c_client *client, u8 reg)
1294 {
1295 int res;
1296
1297 /* What size location is it? */
1298 switch( reg ) {
1299 case LM85_REG_FAN(0) : /* Read WORD data */
1300 case LM85_REG_FAN(1) :
1301 case LM85_REG_FAN(2) :
1302 case LM85_REG_FAN(3) :
1303 case LM85_REG_FAN_MIN(0) :
1304 case LM85_REG_FAN_MIN(1) :
1305 case LM85_REG_FAN_MIN(2) :
1306 case LM85_REG_FAN_MIN(3) :
1307 case LM85_REG_ALARM1 : /* Read both bytes at once */
1308 res = i2c_smbus_read_byte_data(client, reg) & 0xff ;
1309 res |= i2c_smbus_read_byte_data(client, reg+1) << 8 ;
1310 break ;
1311 case ADT7463_REG_TMIN_CTL1 : /* Read WORD MSB, LSB */
1312 res = i2c_smbus_read_byte_data(client, reg) << 8 ;
1313 res |= i2c_smbus_read_byte_data(client, reg+1) & 0xff ;
1314 break ;
1315 default: /* Read BYTE data */
1316 res = i2c_smbus_read_byte_data(client, reg);
1317 break ;
1318 }
1319
1320 return res ;
1321 }
1322
1323 static int lm85_write_value(struct i2c_client *client, u8 reg, int value)
1324 {
1325 int res ;
1326
1327 switch( reg ) {
1328 case LM85_REG_FAN(0) : /* Write WORD data */
1329 case LM85_REG_FAN(1) :
1330 case LM85_REG_FAN(2) :
1331 case LM85_REG_FAN(3) :
1332 case LM85_REG_FAN_MIN(0) :
1333 case LM85_REG_FAN_MIN(1) :
1334 case LM85_REG_FAN_MIN(2) :
1335 case LM85_REG_FAN_MIN(3) :
1336 /* NOTE: ALARM is read only, so not included here */
1337 res = i2c_smbus_write_byte_data(client, reg, value & 0xff) ;
1338 res |= i2c_smbus_write_byte_data(client, reg+1, (value>>8) & 0xff) ;
1339 break ;
1340 case ADT7463_REG_TMIN_CTL1 : /* Write WORD MSB, LSB */
1341 res = i2c_smbus_write_byte_data(client, reg, (value>>8) & 0xff);
1342 res |= i2c_smbus_write_byte_data(client, reg+1, value & 0xff) ;
1343 break ;
1344 default: /* Write BYTE data */
1345 res = i2c_smbus_write_byte_data(client, reg, value);
1346 break ;
1347 }
1348
1349 return res ;
1350 }
1351
1352 static void lm85_init_client(struct i2c_client *client)
1353 {
1354 int value;
1355 struct lm85_data *data = i2c_get_clientdata(client);
1356
1357 dev_dbg(&client->dev, "Initializing device\n");
1358
1359 /* Warn if part was not "READY" */
1360 value = lm85_read_value(client, LM85_REG_CONFIG);
1361 dev_dbg(&client->dev, "LM85_REG_CONFIG is: 0x%02x\n", value);
1362 if( value & 0x02 ) {
1363 dev_err(&client->dev, "Client (%d,0x%02x) config is locked.\n",
1364 i2c_adapter_id(client->adapter), client->addr );
1365 };
1366 if( ! (value & 0x04) ) {
1367 dev_err(&client->dev, "Client (%d,0x%02x) is not ready.\n",
1368 i2c_adapter_id(client->adapter), client->addr );
1369 };
1370 if( value & 0x10
1371 && ( data->type == adm1027
1372 || data->type == adt7463 ) ) {
1373 dev_err(&client->dev, "Client (%d,0x%02x) VxI mode is set. "
1374 "Please report this to the lm85 maintainer.\n",
1375 i2c_adapter_id(client->adapter), client->addr );
1376 };
1377
1378 /* WE INTENTIONALLY make no changes to the limits,
1379 * offsets, pwms, fans and zones. If they were
1380 * configured, we don't want to mess with them.
1381 * If they weren't, the default is 100% PWM, no
1382 * control and will suffice until 'sensors -s'
1383 * can be run by the user.
1384 */
1385
1386 /* Start monitoring */
1387 value = lm85_read_value(client, LM85_REG_CONFIG);
1388 /* Try to clear LOCK, Set START, save everything else */
1389 value = (value & ~ 0x02) | 0x01 ;
1390 dev_dbg(&client->dev, "Setting CONFIG to: 0x%02x\n", value);
1391 lm85_write_value(client, LM85_REG_CONFIG, value);
1392 }
1393
1394 static struct lm85_data *lm85_update_device(struct device *dev)
1395 {
1396 struct i2c_client *client = to_i2c_client(dev);
1397 struct lm85_data *data = i2c_get_clientdata(client);
1398 int i;
1399
1400 mutex_lock(&data->update_lock);
1401
1402 if ( !data->valid ||
1403 time_after(jiffies, data->last_reading + LM85_DATA_INTERVAL) ) {
1404 /* Things that change quickly */
1405 dev_dbg(&client->dev, "Reading sensor values\n");
1406
1407 /* Have to read extended bits first to "freeze" the
1408 * more significant bits that are read later.
1409 * There are 2 additional resolution bits per channel and we
1410 * have room for 4, so we shift them to the left.
1411 */
1412 if ( (data->type == adm1027) || (data->type == adt7463) ) {
1413 int ext1 = lm85_read_value(client,
1414 ADM1027_REG_EXTEND_ADC1);
1415 int ext2 = lm85_read_value(client,
1416 ADM1027_REG_EXTEND_ADC2);
1417 int val = (ext1 << 8) + ext2;
1418
1419 for(i = 0; i <= 4; i++)
1420 data->in_ext[i] = ((val>>(i * 2))&0x03) << 2;
1421
1422 for(i = 0; i <= 2; i++)
1423 data->temp_ext[i] = (val>>((i + 4) * 2))&0x0c;
1424 }
1425
1426 data->vid = lm85_read_value(client, LM85_REG_VID);
1427
1428 for (i = 0; i <= 3; ++i) {
1429 data->in[i] =
1430 lm85_read_value(client, LM85_REG_IN(i));
1431 }
1432
1433 if (!(data->type == adt7463 && (data->vid & 0x80))) {
1434 data->in[4] = lm85_read_value(client,
1435 LM85_REG_IN(4));
1436 }
1437
1438 for (i = 0; i <= 3; ++i) {
1439 data->fan[i] =
1440 lm85_read_value(client, LM85_REG_FAN(i));
1441 }
1442
1443 for (i = 0; i <= 2; ++i) {
1444 data->temp[i] =
1445 lm85_read_value(client, LM85_REG_TEMP(i));
1446 }
1447
1448 for (i = 0; i <= 2; ++i) {
1449 data->pwm[i] =
1450 lm85_read_value(client, LM85_REG_PWM(i));
1451 }
1452
1453 data->alarms = lm85_read_value(client, LM85_REG_ALARM1);
1454
1455 if ( data->type == adt7463 ) {
1456 if( data->therm_total < ULONG_MAX - 256 ) {
1457 data->therm_total +=
1458 lm85_read_value(client, ADT7463_REG_THERM );
1459 }
1460 } else if ( data->type == emc6d100 ) {
1461 /* Three more voltage sensors */
1462 for (i = 5; i <= 7; ++i) {
1463 data->in[i] =
1464 lm85_read_value(client, EMC6D100_REG_IN(i));
1465 }
1466 /* More alarm bits */
1467 data->alarms |=
1468 lm85_read_value(client, EMC6D100_REG_ALARM3) << 16;
1469 } else if (data->type == emc6d102 ) {
1470 /* Have to read LSB bits after the MSB ones because
1471 the reading of the MSB bits has frozen the
1472 LSBs (backward from the ADM1027).
1473 */
1474 int ext1 = lm85_read_value(client,
1475 EMC6D102_REG_EXTEND_ADC1);
1476 int ext2 = lm85_read_value(client,
1477 EMC6D102_REG_EXTEND_ADC2);
1478 int ext3 = lm85_read_value(client,
1479 EMC6D102_REG_EXTEND_ADC3);
1480 int ext4 = lm85_read_value(client,
1481 EMC6D102_REG_EXTEND_ADC4);
1482 data->in_ext[0] = ext3 & 0x0f;
1483 data->in_ext[1] = ext4 & 0x0f;
1484 data->in_ext[2] = (ext4 >> 4) & 0x0f;
1485 data->in_ext[3] = (ext3 >> 4) & 0x0f;
1486 data->in_ext[4] = (ext2 >> 4) & 0x0f;
1487
1488 data->temp_ext[0] = ext1 & 0x0f;
1489 data->temp_ext[1] = ext2 & 0x0f;
1490 data->temp_ext[2] = (ext1 >> 4) & 0x0f;
1491 }
1492
1493 data->last_reading = jiffies ;
1494 }; /* last_reading */
1495
1496 if ( !data->valid ||
1497 time_after(jiffies, data->last_config + LM85_CONFIG_INTERVAL) ) {
1498 /* Things that don't change often */
1499 dev_dbg(&client->dev, "Reading config values\n");
1500
1501 for (i = 0; i <= 3; ++i) {
1502 data->in_min[i] =
1503 lm85_read_value(client, LM85_REG_IN_MIN(i));
1504 data->in_max[i] =
1505 lm85_read_value(client, LM85_REG_IN_MAX(i));
1506 }
1507
1508 if (!(data->type == adt7463 && (data->vid & 0x80))) {
1509 data->in_min[4] = lm85_read_value(client,
1510 LM85_REG_IN_MIN(4));
1511 data->in_max[4] = lm85_read_value(client,
1512 LM85_REG_IN_MAX(4));
1513 }
1514
1515 if ( data->type == emc6d100 ) {
1516 for (i = 5; i <= 7; ++i) {
1517 data->in_min[i] =
1518 lm85_read_value(client, EMC6D100_REG_IN_MIN(i));
1519 data->in_max[i] =
1520 lm85_read_value(client, EMC6D100_REG_IN_MAX(i));
1521 }
1522 }
1523
1524 for (i = 0; i <= 3; ++i) {
1525 data->fan_min[i] =
1526 lm85_read_value(client, LM85_REG_FAN_MIN(i));
1527 }
1528
1529 for (i = 0; i <= 2; ++i) {
1530 data->temp_min[i] =
1531 lm85_read_value(client, LM85_REG_TEMP_MIN(i));
1532 data->temp_max[i] =
1533 lm85_read_value(client, LM85_REG_TEMP_MAX(i));
1534 }
1535
1536 for (i = 0; i <= 2; ++i) {
1537 int val ;
1538 data->autofan[i].config =
1539 lm85_read_value(client, LM85_REG_AFAN_CONFIG(i));
1540 val = lm85_read_value(client, LM85_REG_AFAN_RANGE(i));
1541 data->autofan[i].freq = val & 0x07 ;
1542 data->zone[i].range = (val >> 4) & 0x0f ;
1543 data->autofan[i].min_pwm =
1544 lm85_read_value(client, LM85_REG_AFAN_MINPWM(i));
1545 data->zone[i].limit =
1546 lm85_read_value(client, LM85_REG_AFAN_LIMIT(i));
1547 data->zone[i].critical =
1548 lm85_read_value(client, LM85_REG_AFAN_CRITICAL(i));
1549 }
1550
1551 i = lm85_read_value(client, LM85_REG_AFAN_SPIKE1);
1552 data->smooth[0] = i & 0x0f ;
1553 data->syncpwm3 = i & 0x10 ; /* Save PWM3 config */
1554 data->autofan[0].min_off = (i & 0x20) != 0 ;
1555 data->autofan[1].min_off = (i & 0x40) != 0 ;
1556 data->autofan[2].min_off = (i & 0x80) != 0 ;
1557 i = lm85_read_value(client, LM85_REG_AFAN_SPIKE2);
1558 data->smooth[1] = (i>>4) & 0x0f ;
1559 data->smooth[2] = i & 0x0f ;
1560
1561 i = lm85_read_value(client, LM85_REG_AFAN_HYST1);
1562 data->zone[0].hyst = (i>>4) & 0x0f ;
1563 data->zone[1].hyst = i & 0x0f ;
1564
1565 i = lm85_read_value(client, LM85_REG_AFAN_HYST2);
1566 data->zone[2].hyst = (i>>4) & 0x0f ;
1567
1568 if ( (data->type == lm85b) || (data->type == lm85c) ) {
1569 data->tach_mode = lm85_read_value(client,
1570 LM85_REG_TACH_MODE );
1571 data->spinup_ctl = lm85_read_value(client,
1572 LM85_REG_SPINUP_CTL );
1573 } else if ( (data->type == adt7463) || (data->type == adm1027) ) {
1574 if ( data->type == adt7463 ) {
1575 for (i = 0; i <= 2; ++i) {
1576 data->oppoint[i] = lm85_read_value(client,
1577 ADT7463_REG_OPPOINT(i) );
1578 }
1579 data->tmin_ctl = lm85_read_value(client,
1580 ADT7463_REG_TMIN_CTL1 );
1581 data->therm_limit = lm85_read_value(client,
1582 ADT7463_REG_THERM_LIMIT );
1583 }
1584 for (i = 0; i <= 2; ++i) {
1585 data->temp_offset[i] = lm85_read_value(client,
1586 ADM1027_REG_TEMP_OFFSET(i) );
1587 }
1588 data->tach_mode = lm85_read_value(client,
1589 ADM1027_REG_CONFIG3 );
1590 data->fan_ppr = lm85_read_value(client,
1591 ADM1027_REG_FAN_PPR );
1592 }
1593
1594 data->last_config = jiffies;
1595 }; /* last_config */
1596
1597 data->valid = 1;
1598
1599 mutex_unlock(&data->update_lock);
1600
1601 return data;
1602 }
1603
1604
1605 static int __init sm_lm85_init(void)
1606 {
1607 return i2c_add_driver(&lm85_driver);
1608 }
1609
1610 static void __exit sm_lm85_exit(void)
1611 {
1612 i2c_del_driver(&lm85_driver);
1613 }
1614
1615 /* Thanks to Richard Barrington for adding the LM85 to sensors-detect.
1616 * Thanks to Margit Schubert-While <margitsw@t-online.de> for help with
1617 * post 2.7.0 CVS changes.
1618 */
1619 MODULE_LICENSE("GPL");
1620 MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, Margit Schubert-While <margitsw@t-online.de>, Justin Thiessen <jthiessen@penguincomputing.com");
1621 MODULE_DESCRIPTION("LM85-B, LM85-C driver");
1622
1623 module_init(sm_lm85_init);
1624 module_exit(sm_lm85_exit);
Linux kernel - Deliverables
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