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Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
[wrt350n-kernel.git] / drivers / hwmon / lm85.c
blob5b7f58f28486a16a0cbf214a355053d807aa828e
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 <<<<<<< HEAD:drivers/hwmon/lm85.c
39 static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
40 =======
41 static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
42 >>>>>>> 264e3e889d86e552b4191d69bb60f4f3b383135a:drivers/hwmon/lm85.c
43
44 /* Insmod parameters */
45 I2C_CLIENT_INSMOD_6(lm85b, lm85c, adm1027, adt7463, emc6d100, emc6d102);
46
47 /* The LM85 registers */
48
49 #define LM85_REG_IN(nr) (0x20 + (nr))
50 #define LM85_REG_IN_MIN(nr) (0x44 + (nr) * 2)
51 #define LM85_REG_IN_MAX(nr) (0x45 + (nr) * 2)
52
53 #define LM85_REG_TEMP(nr) (0x25 + (nr))
54 #define LM85_REG_TEMP_MIN(nr) (0x4e + (nr) * 2)
55 #define LM85_REG_TEMP_MAX(nr) (0x4f + (nr) * 2)
56
57 /* Fan speeds are LSB, MSB (2 bytes) */
58 #define LM85_REG_FAN(nr) (0x28 + (nr) *2)
59 #define LM85_REG_FAN_MIN(nr) (0x54 + (nr) *2)
60
61 #define LM85_REG_PWM(nr) (0x30 + (nr))
62
63 #define ADT7463_REG_OPPOINT(nr) (0x33 + (nr))
64
65 #define ADT7463_REG_TMIN_CTL1 0x36
66 #define ADT7463_REG_TMIN_CTL2 0x37
67
68 #define LM85_REG_DEVICE 0x3d
69 #define LM85_REG_COMPANY 0x3e
70 #define LM85_REG_VERSTEP 0x3f
71 /* These are the recognized values for the above regs */
72 #define LM85_DEVICE_ADX 0x27
73 #define LM85_COMPANY_NATIONAL 0x01
74 #define LM85_COMPANY_ANALOG_DEV 0x41
75 #define LM85_COMPANY_SMSC 0x5c
76 #define LM85_VERSTEP_VMASK 0xf0
77 #define LM85_VERSTEP_GENERIC 0x60
78 #define LM85_VERSTEP_LM85C 0x60
79 #define LM85_VERSTEP_LM85B 0x62
80 #define LM85_VERSTEP_ADM1027 0x60
81 #define LM85_VERSTEP_ADT7463 0x62
82 #define LM85_VERSTEP_ADT7463C 0x6A
83 #define LM85_VERSTEP_EMC6D100_A0 0x60
84 #define LM85_VERSTEP_EMC6D100_A1 0x61
85 #define LM85_VERSTEP_EMC6D102 0x65
86
87 #define LM85_REG_CONFIG 0x40
88
89 #define LM85_REG_ALARM1 0x41
90 #define LM85_REG_ALARM2 0x42
91
92 #define LM85_REG_VID 0x43
93
94 /* Automated FAN control */
95 #define LM85_REG_AFAN_CONFIG(nr) (0x5c + (nr))
96 #define LM85_REG_AFAN_RANGE(nr) (0x5f + (nr))
97 #define LM85_REG_AFAN_SPIKE1 0x62
98 #define LM85_REG_AFAN_SPIKE2 0x63
99 #define LM85_REG_AFAN_MINPWM(nr) (0x64 + (nr))
100 #define LM85_REG_AFAN_LIMIT(nr) (0x67 + (nr))
101 #define LM85_REG_AFAN_CRITICAL(nr) (0x6a + (nr))
102 #define LM85_REG_AFAN_HYST1 0x6d
103 #define LM85_REG_AFAN_HYST2 0x6e
104
105 #define LM85_REG_TACH_MODE 0x74
106 #define LM85_REG_SPINUP_CTL 0x75
107
108 #define ADM1027_REG_TEMP_OFFSET(nr) (0x70 + (nr))
109 #define ADM1027_REG_CONFIG2 0x73
110 #define ADM1027_REG_INTMASK1 0x74
111 #define ADM1027_REG_INTMASK2 0x75
112 #define ADM1027_REG_EXTEND_ADC1 0x76
113 #define ADM1027_REG_EXTEND_ADC2 0x77
114 #define ADM1027_REG_CONFIG3 0x78
115 #define ADM1027_REG_FAN_PPR 0x7b
116
117 #define ADT7463_REG_THERM 0x79
118 #define ADT7463_REG_THERM_LIMIT 0x7A
119
120 #define EMC6D100_REG_ALARM3 0x7d
121 /* IN5, IN6 and IN7 */
122 #define EMC6D100_REG_IN(nr) (0x70 + ((nr)-5))
123 #define EMC6D100_REG_IN_MIN(nr) (0x73 + ((nr)-5) * 2)
124 #define EMC6D100_REG_IN_MAX(nr) (0x74 + ((nr)-5) * 2)
125 #define EMC6D102_REG_EXTEND_ADC1 0x85
126 #define EMC6D102_REG_EXTEND_ADC2 0x86
127 #define EMC6D102_REG_EXTEND_ADC3 0x87
128 #define EMC6D102_REG_EXTEND_ADC4 0x88
129
130
131 /* Conversions. Rounding and limit checking is only done on the TO_REG
132 variants. Note that you should be a bit careful with which arguments
133 these macros are called: arguments may be evaluated more than once.
134 */
135
136 /* IN are scaled acording to built-in resistors */
137 static int lm85_scaling[] = { /* .001 Volts */
138 2500, 2250, 3300, 5000, 12000,
139 3300, 1500, 1800 /*EMC6D100*/
140 };
141 #define SCALE(val,from,to) (((val)*(to) + ((from)/2))/(from))
142
143 #define INS_TO_REG(n,val) \
144 SENSORS_LIMIT(SCALE(val,lm85_scaling[n],192),0,255)
145
146 #define INSEXT_FROM_REG(n,val,ext) \
147 SCALE(((val) << 4) + (ext), 192 << 4, lm85_scaling[n])
148
149 #define INS_FROM_REG(n,val) SCALE((val), 192, lm85_scaling[n])
150
151 /* FAN speed is measured using 90kHz clock */
152 static inline u16 FAN_TO_REG(unsigned long val)
153 {
154 if (!val)
155 return 0xffff;
156 return SENSORS_LIMIT(5400000 / val, 1, 0xfffe);
157 }
158 #define FAN_FROM_REG(val) ((val)==0?-1:(val)==0xffff?0:5400000/(val))
159
160 /* Temperature is reported in .001 degC increments */
161 #define TEMP_TO_REG(val) \
162 SENSORS_LIMIT(SCALE(val,1000,1),-127,127)
163 #define TEMPEXT_FROM_REG(val,ext) \
164 SCALE(((val) << 4) + (ext), 16, 1000)
165 #define TEMP_FROM_REG(val) ((val) * 1000)
166
167 #define PWM_TO_REG(val) (SENSORS_LIMIT(val,0,255))
168 #define PWM_FROM_REG(val) (val)
169
170
171 /* ZONEs have the following parameters:
172 * Limit (low) temp, 1. degC
173 * Hysteresis (below limit), 1. degC (0-15)
174 * Range of speed control, .1 degC (2-80)
175 * Critical (high) temp, 1. degC
176 *
177 * FAN PWMs have the following parameters:
178 * Reference Zone, 1, 2, 3, etc.
179 * Spinup time, .05 sec
180 * PWM value at limit/low temp, 1 count
181 * PWM Frequency, 1. Hz
182 * PWM is Min or OFF below limit, flag
183 * Invert PWM output, flag
184 *
185 * Some chips filter the temp, others the fan.
186 * Filter constant (or disabled) .1 seconds
187 */
188
189 /* These are the zone temperature range encodings in .001 degree C */
190 static int lm85_range_map[] = {
191 2000, 2500, 3300, 4000, 5000, 6600,
192 8000, 10000, 13300, 16000, 20000, 26600,
193 32000, 40000, 53300, 80000
194 };
195 static int RANGE_TO_REG( int range )
196 {
197 int i;
198
199 if ( range < lm85_range_map[0] ) {
200 return 0 ;
201 } else if ( range > lm85_range_map[15] ) {
202 return 15 ;
203 } else { /* find closest match */
204 for ( i = 14 ; i >= 0 ; --i ) {
205 if ( range > lm85_range_map[i] ) { /* range bracketed */
206 if ((lm85_range_map[i+1] - range) <
207 (range - lm85_range_map[i])) {
208 i++;
209 break;
210 }
211 break;
212 }
213 }
214 }
215 return( i & 0x0f );
216 }
217 #define RANGE_FROM_REG(val) (lm85_range_map[(val)&0x0f])
218
219 /* These are the Acoustic Enhancement, or Temperature smoothing encodings
220 * NOTE: The enable/disable bit is INCLUDED in these encodings as the
221 * MSB (bit 3, value 8). If the enable bit is 0, the encoded value
222 * is ignored, or set to 0.
223 */
224 /* These are the PWM frequency encodings */
225 static int lm85_freq_map[] = { /* .1 Hz */
226 100, 150, 230, 300, 380, 470, 620, 940
227 };
228 static int FREQ_TO_REG( int freq )
229 {
230 int i;
231
232 if( freq >= lm85_freq_map[7] ) { return 7 ; }
233 for( i = 0 ; i < 7 ; ++i )
234 if( freq <= lm85_freq_map[i] )
235 break ;
236 return( i & 0x07 );
237 }
238 #define FREQ_FROM_REG(val) (lm85_freq_map[(val)&0x07])
239
240 /* Since we can't use strings, I'm abusing these numbers
241 * to stand in for the following meanings:
242 * 1 -- PWM responds to Zone 1
243 * 2 -- PWM responds to Zone 2
244 * 3 -- PWM responds to Zone 3
245 * 23 -- PWM responds to the higher temp of Zone 2 or 3
246 * 123 -- PWM responds to highest of Zone 1, 2, or 3
247 * 0 -- PWM is always at 0% (ie, off)
248 * -1 -- PWM is always at 100%
249 * -2 -- PWM responds to manual control
250 */
251
252 static int lm85_zone_map[] = { 1, 2, 3, -1, 0, 23, 123, -2 };
253 #define ZONE_FROM_REG(val) (lm85_zone_map[((val)>>5)&0x07])
254
255 static int ZONE_TO_REG( int zone )
256 {
257 int i;
258
259 for( i = 0 ; i <= 7 ; ++i )
260 if( zone == lm85_zone_map[i] )
261 break ;
262 if( i > 7 ) /* Not found. */
263 i = 3; /* Always 100% */
264 return( (i & 0x07)<<5 );
265 }
266
267 #define HYST_TO_REG(val) (SENSORS_LIMIT(((val)+500)/1000,0,15))
268 #define HYST_FROM_REG(val) ((val)*1000)
269
270 #define OFFSET_TO_REG(val) (SENSORS_LIMIT((val)/25,-127,127))
271 #define OFFSET_FROM_REG(val) ((val)*25)
272
273 #define PPR_MASK(fan) (0x03<<(fan *2))
274 #define PPR_TO_REG(val,fan) (SENSORS_LIMIT((val)-1,0,3)<<(fan *2))
275 #define PPR_FROM_REG(val,fan) ((((val)>>(fan * 2))&0x03)+1)
276
277 /* Chip sampling rates
278 *
279 * Some sensors are not updated more frequently than once per second
280 * so it doesn't make sense to read them more often than that.
281 * We cache the results and return the saved data if the driver
282 * is called again before a second has elapsed.
283 *
284 * Also, there is significant configuration data for this chip
285 * given the automatic PWM fan control that is possible. There
286 * are about 47 bytes of config data to only 22 bytes of actual
287 * readings. So, we keep the config data up to date in the cache
288 * when it is written and only sample it once every 1 *minute*
289 */
290 #define LM85_DATA_INTERVAL (HZ + HZ / 2)
291 #define LM85_CONFIG_INTERVAL (1 * 60 * HZ)
292
293 /* LM85 can automatically adjust fan speeds based on temperature
294 * This structure encapsulates an entire Zone config. There are
295 * three zones (one for each temperature input) on the lm85
296 */
297 struct lm85_zone {
298 s8 limit; /* Low temp limit */
299 u8 hyst; /* Low limit hysteresis. (0-15) */
300 u8 range; /* Temp range, encoded */
301 s8 critical; /* "All fans ON" temp limit */
302 u8 off_desired; /* Actual "off" temperature specified. Preserved
303 * to prevent "drift" as other autofan control
304 * values change.
305 */
306 u8 max_desired; /* Actual "max" temperature specified. Preserved
307 * to prevent "drift" as other autofan control
308 * values change.
309 */
310 };
311
312 struct lm85_autofan {
313 u8 config; /* Register value */
314 u8 freq; /* PWM frequency, encoded */
315 u8 min_pwm; /* Minimum PWM value, encoded */
316 u8 min_off; /* Min PWM or OFF below "limit", flag */
317 };
318
319 /* For each registered chip, we need to keep some data in memory.
320 The structure is dynamically allocated. */
321 struct lm85_data {
322 struct i2c_client client;
323 struct device *hwmon_dev;
324 enum chips type;
325
326 struct mutex update_lock;
327 int valid; /* !=0 if following fields are valid */
328 unsigned long last_reading; /* In jiffies */
329 unsigned long last_config; /* In jiffies */
330
331 u8 in[8]; /* Register value */
332 u8 in_max[8]; /* Register value */
333 u8 in_min[8]; /* Register value */
334 s8 temp[3]; /* Register value */
335 s8 temp_min[3]; /* Register value */
336 s8 temp_max[3]; /* Register value */
337 s8 temp_offset[3]; /* Register value */
338 u16 fan[4]; /* Register value */
339 u16 fan_min[4]; /* Register value */
340 u8 pwm[3]; /* Register value */
341 u8 spinup_ctl; /* Register encoding, combined */
342 u8 tach_mode; /* Register encoding, combined */
343 u8 temp_ext[3]; /* Decoded values */
344 u8 in_ext[8]; /* Decoded values */
345 u8 fan_ppr; /* Register value */
346 u8 smooth[3]; /* Register encoding */
347 u8 vid; /* Register value */
348 u8 vrm; /* VRM version */
349 u8 syncpwm3; /* Saved PWM3 for TACH 2,3,4 config */
350 u8 oppoint[3]; /* Register value */
351 u16 tmin_ctl; /* Register value */
352 unsigned long therm_total; /* Cummulative therm count */
353 u8 therm_limit; /* Register value */
354 u32 alarms; /* Register encoding, combined */
355 struct lm85_autofan autofan[3];
356 struct lm85_zone zone[3];
357 };
358
359 static int lm85_attach_adapter(struct i2c_adapter *adapter);
360 static int lm85_detect(struct i2c_adapter *adapter, int address,
361 int kind);
362 static int lm85_detach_client(struct i2c_client *client);
363
364 static int lm85_read_value(struct i2c_client *client, u8 reg);
365 static int lm85_write_value(struct i2c_client *client, u8 reg, int value);
366 static struct lm85_data *lm85_update_device(struct device *dev);
367 static void lm85_init_client(struct i2c_client *client);
368
369
370 static struct i2c_driver lm85_driver = {
371 .driver = {
372 .name = "lm85",
373 },
374 .attach_adapter = lm85_attach_adapter,
375 .detach_client = lm85_detach_client,
376 };
377
378
379 /* 4 Fans */
380 static ssize_t show_fan(struct device *dev, struct device_attribute *attr,
381 char *buf)
382 {
383 int nr = to_sensor_dev_attr(attr)->index;
384 struct lm85_data *data = lm85_update_device(dev);
385 return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan[nr]) );
386 }
387
388 static ssize_t show_fan_min(struct device *dev, struct device_attribute *attr,
389 char *buf)
390 {
391 int nr = to_sensor_dev_attr(attr)->index;
392 struct lm85_data *data = lm85_update_device(dev);
393 return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan_min[nr]) );
394 }
395
396 static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
397 const char *buf, size_t count)
398 {
399 int nr = to_sensor_dev_attr(attr)->index;
400 struct i2c_client *client = to_i2c_client(dev);
401 struct lm85_data *data = i2c_get_clientdata(client);
402 unsigned long val = simple_strtoul(buf, NULL, 10);
403
404 mutex_lock(&data->update_lock);
405 data->fan_min[nr] = FAN_TO_REG(val);
406 lm85_write_value(client, LM85_REG_FAN_MIN(nr), data->fan_min[nr]);
407 mutex_unlock(&data->update_lock);
408 return count;
409 }
410
411 #define show_fan_offset(offset) \
412 static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, \
413 show_fan, NULL, offset - 1); \
414 static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
415 show_fan_min, set_fan_min, offset - 1)
416
417 show_fan_offset(1);
418 show_fan_offset(2);
419 show_fan_offset(3);
420 show_fan_offset(4);
421
422 /* vid, vrm, alarms */
423
424 static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
425 {
426 struct lm85_data *data = lm85_update_device(dev);
427 int vid;
428
429 if (data->type == adt7463 && (data->vid & 0x80)) {
430 /* 6-pin VID (VRM 10) */
431 vid = vid_from_reg(data->vid & 0x3f, data->vrm);
432 } else {
433 /* 5-pin VID (VRM 9) */
434 vid = vid_from_reg(data->vid & 0x1f, data->vrm);
435 }
436
437 return sprintf(buf, "%d\n", vid);
438 }
439
440 static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
441
442 static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
443 {
444 struct lm85_data *data = dev_get_drvdata(dev);
445 return sprintf(buf, "%ld\n", (long) data->vrm);
446 }
447
448 static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
449 {
450 struct lm85_data *data = dev_get_drvdata(dev);
451 data->vrm = simple_strtoul(buf, NULL, 10);
452 return count;
453 }
454
455 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
456
457 static ssize_t show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf)
458 {
459 struct lm85_data *data = lm85_update_device(dev);
460 return sprintf(buf, "%u\n", data->alarms);
461 }
462
463 static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
464
465 static ssize_t show_alarm(struct device *dev, struct device_attribute *attr,
466 char *buf)
467 {
468 int nr = to_sensor_dev_attr(attr)->index;
469 struct lm85_data *data = lm85_update_device(dev);
470 return sprintf(buf, "%u\n", (data->alarms >> nr) & 1);
471 }
472
473 static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0);
474 static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1);
475 static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2);
476 static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3);
477 static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8);
478 static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 18);
479 static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 16);
480 static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 17);
481 static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4);
482 static SENSOR_DEVICE_ATTR(temp1_fault, S_IRUGO, show_alarm, NULL, 14);
483 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5);
484 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 6);
485 static SENSOR_DEVICE_ATTR(temp3_fault, S_IRUGO, show_alarm, NULL, 15);
486 static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 10);
487 static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 11);
488 static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 12);
489 static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 13);
490
491 /* pwm */
492
493 static ssize_t show_pwm(struct device *dev, struct device_attribute *attr,
494 char *buf)
495 {
496 int nr = to_sensor_dev_attr(attr)->index;
497 struct lm85_data *data = lm85_update_device(dev);
498 return sprintf(buf,"%d\n", PWM_FROM_REG(data->pwm[nr]) );
499 }
500
501 static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
502 const char *buf, size_t count)
503 {
504 int nr = to_sensor_dev_attr(attr)->index;
505 struct i2c_client *client = to_i2c_client(dev);
506 struct lm85_data *data = i2c_get_clientdata(client);
507 long val = simple_strtol(buf, NULL, 10);
508
509 mutex_lock(&data->update_lock);
510 data->pwm[nr] = PWM_TO_REG(val);
511 lm85_write_value(client, LM85_REG_PWM(nr), data->pwm[nr]);
512 mutex_unlock(&data->update_lock);
513 return count;
514 }
515
516 static ssize_t show_pwm_enable(struct device *dev, struct device_attribute
517 *attr, char *buf)
518 {
519 int nr = to_sensor_dev_attr(attr)->index;
520 struct lm85_data *data = lm85_update_device(dev);
521 int pwm_zone, enable;
522
523 pwm_zone = ZONE_FROM_REG(data->autofan[nr].config);
524 switch (pwm_zone) {
525 case -1: /* PWM is always at 100% */
526 enable = 0;
527 break;
528 case 0: /* PWM is always at 0% */
529 case -2: /* PWM responds to manual control */
530 enable = 1;
531 break;
532 default: /* PWM in automatic mode */
533 enable = 2;
534 }
535 return sprintf(buf, "%d\n", enable);
536 }
537
538 static ssize_t set_pwm_enable(struct device *dev, struct device_attribute
539 *attr, const char *buf, size_t count)
540 {
541 int nr = to_sensor_dev_attr(attr)->index;
542 struct i2c_client *client = to_i2c_client(dev);
543 struct lm85_data *data = i2c_get_clientdata(client);
544 long val = simple_strtol(buf, NULL, 10);
545 u8 config;
546
547 switch (val) {
548 case 0:
549 config = 3;
550 break;
551 case 1:
552 config = 7;
553 break;
554 case 2:
555 /* Here we have to choose arbitrarily one of the 5 possible
556 configurations; I go for the safest */
557 config = 6;
558 break;
559 default:
560 return -EINVAL;
561 }
562
563 mutex_lock(&data->update_lock);
564 data->autofan[nr].config = lm85_read_value(client,
565 LM85_REG_AFAN_CONFIG(nr));
566 data->autofan[nr].config = (data->autofan[nr].config & ~0xe0)
567 | (config << 5);
568 lm85_write_value(client, LM85_REG_AFAN_CONFIG(nr),
569 data->autofan[nr].config);
570 mutex_unlock(&data->update_lock);
571 return count;
572 }
573
574 #define show_pwm_reg(offset) \
575 static SENSOR_DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \
576 show_pwm, set_pwm, offset - 1); \
577 static SENSOR_DEVICE_ATTR(pwm##offset##_enable, S_IRUGO | S_IWUSR, \
578 show_pwm_enable, set_pwm_enable, offset - 1)
579
580 show_pwm_reg(1);
581 show_pwm_reg(2);
582 show_pwm_reg(3);
583
584 /* Voltages */
585
586 static ssize_t show_in(struct device *dev, struct device_attribute *attr,
587 char *buf)
588 {
589 int nr = to_sensor_dev_attr(attr)->index;
590 struct lm85_data *data = lm85_update_device(dev);
591 return sprintf( buf, "%d\n", INSEXT_FROM_REG(nr,
592 data->in[nr],
593 data->in_ext[nr]));
594 }
595
596 static ssize_t show_in_min(struct device *dev, struct device_attribute *attr,
597 char *buf)
598 {
599 int nr = to_sensor_dev_attr(attr)->index;
600 struct lm85_data *data = lm85_update_device(dev);
601 return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in_min[nr]) );
602 }
603
604 static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
605 const char *buf, size_t count)
606 {
607 int nr = to_sensor_dev_attr(attr)->index;
608 struct i2c_client *client = to_i2c_client(dev);
609 struct lm85_data *data = i2c_get_clientdata(client);
610 long val = simple_strtol(buf, NULL, 10);
611
612 mutex_lock(&data->update_lock);
613 data->in_min[nr] = INS_TO_REG(nr, val);
614 lm85_write_value(client, LM85_REG_IN_MIN(nr), data->in_min[nr]);
615 mutex_unlock(&data->update_lock);
616 return count;
617 }
618
619 static ssize_t show_in_max(struct device *dev, struct device_attribute *attr,
620 char *buf)
621 {
622 int nr = to_sensor_dev_attr(attr)->index;
623 struct lm85_data *data = lm85_update_device(dev);
624 return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in_max[nr]) );
625 }
626
627 static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
628 const char *buf, size_t count)
629 {
630 int nr = to_sensor_dev_attr(attr)->index;
631 struct i2c_client *client = to_i2c_client(dev);
632 struct lm85_data *data = i2c_get_clientdata(client);
633 long val = simple_strtol(buf, NULL, 10);
634
635 mutex_lock(&data->update_lock);
636 data->in_max[nr] = INS_TO_REG(nr, val);
637 lm85_write_value(client, LM85_REG_IN_MAX(nr), data->in_max[nr]);
638 mutex_unlock(&data->update_lock);
639 return count;
640 }
641
642 #define show_in_reg(offset) \
643 static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \
644 show_in, NULL, offset); \
645 static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
646 show_in_min, set_in_min, offset); \
647 static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
648 show_in_max, set_in_max, offset)
649
650 show_in_reg(0);
651 show_in_reg(1);
652 show_in_reg(2);
653 show_in_reg(3);
654 show_in_reg(4);
655 show_in_reg(5);
656 show_in_reg(6);
657 show_in_reg(7);
658
659 /* Temps */
660
661 static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
662 char *buf)
663 {
664 int nr = to_sensor_dev_attr(attr)->index;
665 struct lm85_data *data = lm85_update_device(dev);
666 return sprintf(buf,"%d\n", TEMPEXT_FROM_REG(data->temp[nr],
667 data->temp_ext[nr]));
668 }
669
670 static ssize_t show_temp_min(struct device *dev, struct device_attribute *attr,
671 char *buf)
672 {
673 int nr = to_sensor_dev_attr(attr)->index;
674 struct lm85_data *data = lm85_update_device(dev);
675 return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_min[nr]) );
676 }
677
678 static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
679 const char *buf, size_t count)
680 {
681 int nr = to_sensor_dev_attr(attr)->index;
682 struct i2c_client *client = to_i2c_client(dev);
683 struct lm85_data *data = i2c_get_clientdata(client);
684 long val = simple_strtol(buf, NULL, 10);
685
686 mutex_lock(&data->update_lock);
687 data->temp_min[nr] = TEMP_TO_REG(val);
688 lm85_write_value(client, LM85_REG_TEMP_MIN(nr), data->temp_min[nr]);
689 mutex_unlock(&data->update_lock);
690 return count;
691 }
692
693 static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr,
694 char *buf)
695 {
696 int nr = to_sensor_dev_attr(attr)->index;
697 struct lm85_data *data = lm85_update_device(dev);
698 return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_max[nr]) );
699 }
700
701 static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
702 const char *buf, size_t count)
703 {
704 int nr = to_sensor_dev_attr(attr)->index;
705 struct i2c_client *client = to_i2c_client(dev);
706 struct lm85_data *data = i2c_get_clientdata(client);
707 long val = simple_strtol(buf, NULL, 10);
708
709 mutex_lock(&data->update_lock);
710 data->temp_max[nr] = TEMP_TO_REG(val);
711 lm85_write_value(client, LM85_REG_TEMP_MAX(nr), data->temp_max[nr]);
712 mutex_unlock(&data->update_lock);
713 return count;
714 }
715
716 #define show_temp_reg(offset) \
717 static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \
718 show_temp, NULL, offset - 1); \
719 static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \
720 show_temp_min, set_temp_min, offset - 1); \
721 static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \
722 show_temp_max, set_temp_max, offset - 1);
723
724 show_temp_reg(1);
725 show_temp_reg(2);
726 show_temp_reg(3);
727
728
729 /* Automatic PWM control */
730
731 static ssize_t show_pwm_auto_channels(struct device *dev,
732 struct device_attribute *attr, char *buf)
733 {
734 int nr = to_sensor_dev_attr(attr)->index;
735 struct lm85_data *data = lm85_update_device(dev);
736 return sprintf(buf,"%d\n", ZONE_FROM_REG(data->autofan[nr].config));
737 }
738
739 static ssize_t set_pwm_auto_channels(struct device *dev,
740 struct device_attribute *attr, const char *buf, size_t count)
741 {
742 int nr = to_sensor_dev_attr(attr)->index;
743 struct i2c_client *client = to_i2c_client(dev);
744 struct lm85_data *data = i2c_get_clientdata(client);
745 long val = simple_strtol(buf, NULL, 10);
746
747 mutex_lock(&data->update_lock);
748 data->autofan[nr].config = (data->autofan[nr].config & (~0xe0))
749 | ZONE_TO_REG(val) ;
750 lm85_write_value(client, LM85_REG_AFAN_CONFIG(nr),
751 data->autofan[nr].config);
752 mutex_unlock(&data->update_lock);
753 return count;
754 }
755
756 static ssize_t show_pwm_auto_pwm_min(struct device *dev,
757 struct device_attribute *attr, char *buf)
758 {
759 int nr = to_sensor_dev_attr(attr)->index;
760 struct lm85_data *data = lm85_update_device(dev);
761 return sprintf(buf,"%d\n", PWM_FROM_REG(data->autofan[nr].min_pwm));
762 }
763
764 static ssize_t set_pwm_auto_pwm_min(struct device *dev,
765 struct device_attribute *attr, const char *buf, size_t count)
766 {
767 int nr = to_sensor_dev_attr(attr)->index;
768 struct i2c_client *client = to_i2c_client(dev);
769 struct lm85_data *data = i2c_get_clientdata(client);
770 long val = simple_strtol(buf, NULL, 10);
771
772 mutex_lock(&data->update_lock);
773 data->autofan[nr].min_pwm = PWM_TO_REG(val);
774 lm85_write_value(client, LM85_REG_AFAN_MINPWM(nr),
775 data->autofan[nr].min_pwm);
776 mutex_unlock(&data->update_lock);
777 return count;
778 }
779
780 static ssize_t show_pwm_auto_pwm_minctl(struct device *dev,
781 struct device_attribute *attr, char *buf)
782 {
783 int nr = to_sensor_dev_attr(attr)->index;
784 struct lm85_data *data = lm85_update_device(dev);
785 return sprintf(buf,"%d\n", data->autofan[nr].min_off);
786 }
787
788 static ssize_t set_pwm_auto_pwm_minctl(struct device *dev,
789 struct device_attribute *attr, const char *buf, size_t count)
790 {
791 int nr = to_sensor_dev_attr(attr)->index;
792 struct i2c_client *client = to_i2c_client(dev);
793 struct lm85_data *data = i2c_get_clientdata(client);
794 long val = simple_strtol(buf, NULL, 10);
795
796 mutex_lock(&data->update_lock);
797 data->autofan[nr].min_off = val;
798 lm85_write_value(client, LM85_REG_AFAN_SPIKE1, data->smooth[0]
799 | data->syncpwm3
800 | (data->autofan[0].min_off ? 0x20 : 0)
801 | (data->autofan[1].min_off ? 0x40 : 0)
802 | (data->autofan[2].min_off ? 0x80 : 0)
803 );
804 mutex_unlock(&data->update_lock);
805 return count;
806 }
807
808 static ssize_t show_pwm_auto_pwm_freq(struct device *dev,
809 struct device_attribute *attr, char *buf)
810 {
811 int nr = to_sensor_dev_attr(attr)->index;
812 struct lm85_data *data = lm85_update_device(dev);
813 return sprintf(buf,"%d\n", FREQ_FROM_REG(data->autofan[nr].freq));
814 }
815
816 static ssize_t set_pwm_auto_pwm_freq(struct device *dev,
817 struct device_attribute *attr, const char *buf, size_t count)
818 {
819 int nr = to_sensor_dev_attr(attr)->index;
820 struct i2c_client *client = to_i2c_client(dev);
821 struct lm85_data *data = i2c_get_clientdata(client);
822 long val = simple_strtol(buf, NULL, 10);
823
824 mutex_lock(&data->update_lock);
825 data->autofan[nr].freq = FREQ_TO_REG(val);
826 lm85_write_value(client, LM85_REG_AFAN_RANGE(nr),
827 (data->zone[nr].range << 4)
828 | data->autofan[nr].freq
829 );
830 mutex_unlock(&data->update_lock);
831 return count;
832 }
833
834 #define pwm_auto(offset) \
835 static SENSOR_DEVICE_ATTR(pwm##offset##_auto_channels, \
836 S_IRUGO | S_IWUSR, show_pwm_auto_channels, \
837 set_pwm_auto_channels, offset - 1); \
838 static SENSOR_DEVICE_ATTR(pwm##offset##_auto_pwm_min, \
839 S_IRUGO | S_IWUSR, show_pwm_auto_pwm_min, \
840 set_pwm_auto_pwm_min, offset - 1); \
841 static SENSOR_DEVICE_ATTR(pwm##offset##_auto_pwm_minctl, \
842 S_IRUGO | S_IWUSR, show_pwm_auto_pwm_minctl, \
843 set_pwm_auto_pwm_minctl, offset - 1); \
844 static SENSOR_DEVICE_ATTR(pwm##offset##_auto_pwm_freq, \
845 S_IRUGO | S_IWUSR, show_pwm_auto_pwm_freq, \
846 set_pwm_auto_pwm_freq, offset - 1);
847
848 pwm_auto(1);
849 pwm_auto(2);
850 pwm_auto(3);
851
852 /* Temperature settings for automatic PWM control */
853
854 static ssize_t show_temp_auto_temp_off(struct device *dev,
855 struct device_attribute *attr, char *buf)
856 {
857 int nr = to_sensor_dev_attr(attr)->index;
858 struct lm85_data *data = lm85_update_device(dev);
859 return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) -
860 HYST_FROM_REG(data->zone[nr].hyst));
861 }
862
863 static ssize_t set_temp_auto_temp_off(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 int min;
870 long val = simple_strtol(buf, NULL, 10);
871
872 mutex_lock(&data->update_lock);
873 min = TEMP_FROM_REG(data->zone[nr].limit);
874 data->zone[nr].off_desired = TEMP_TO_REG(val);
875 data->zone[nr].hyst = HYST_TO_REG(min - val);
876 if ( nr == 0 || nr == 1 ) {
877 lm85_write_value(client, LM85_REG_AFAN_HYST1,
878 (data->zone[0].hyst << 4)
879 | data->zone[1].hyst
880 );
881 } else {
882 lm85_write_value(client, LM85_REG_AFAN_HYST2,
883 (data->zone[2].hyst << 4)
884 );
885 }
886 mutex_unlock(&data->update_lock);
887 return count;
888 }
889
890 static ssize_t show_temp_auto_temp_min(struct device *dev,
891 struct device_attribute *attr, char *buf)
892 {
893 int nr = to_sensor_dev_attr(attr)->index;
894 struct lm85_data *data = lm85_update_device(dev);
895 return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) );
896 }
897
898 static ssize_t set_temp_auto_temp_min(struct device *dev,
899 struct device_attribute *attr, const char *buf, size_t count)
900 {
901 int nr = to_sensor_dev_attr(attr)->index;
902 struct i2c_client *client = to_i2c_client(dev);
903 struct lm85_data *data = i2c_get_clientdata(client);
904 long val = simple_strtol(buf, NULL, 10);
905
906 mutex_lock(&data->update_lock);
907 data->zone[nr].limit = TEMP_TO_REG(val);
908 lm85_write_value(client, LM85_REG_AFAN_LIMIT(nr),
909 data->zone[nr].limit);
910
911 /* Update temp_auto_max and temp_auto_range */
912 data->zone[nr].range = RANGE_TO_REG(
913 TEMP_FROM_REG(data->zone[nr].max_desired) -
914 TEMP_FROM_REG(data->zone[nr].limit));
915 lm85_write_value(client, LM85_REG_AFAN_RANGE(nr),
916 ((data->zone[nr].range & 0x0f) << 4)
917 | (data->autofan[nr].freq & 0x07));
918
919 /* Update temp_auto_hyst and temp_auto_off */
920 data->zone[nr].hyst = HYST_TO_REG(TEMP_FROM_REG(
921 data->zone[nr].limit) - TEMP_FROM_REG(
922 data->zone[nr].off_desired));
923 if ( nr == 0 || nr == 1 ) {
924 lm85_write_value(client, LM85_REG_AFAN_HYST1,
925 (data->zone[0].hyst << 4)
926 | data->zone[1].hyst
927 );
928 } else {
929 lm85_write_value(client, LM85_REG_AFAN_HYST2,
930 (data->zone[2].hyst << 4)
931 );
932 }
933 mutex_unlock(&data->update_lock);
934 return count;
935 }
936
937 static ssize_t show_temp_auto_temp_max(struct device *dev,
938 struct device_attribute *attr, char *buf)
939 {
940 int nr = to_sensor_dev_attr(attr)->index;
941 struct lm85_data *data = lm85_update_device(dev);
942 return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) +
943 RANGE_FROM_REG(data->zone[nr].range));
944 }
945
946 static ssize_t set_temp_auto_temp_max(struct device *dev,
947 struct device_attribute *attr, const char *buf, size_t count)
948 {
949 int nr = to_sensor_dev_attr(attr)->index;
950 struct i2c_client *client = to_i2c_client(dev);
951 struct lm85_data *data = i2c_get_clientdata(client);
952 int min;
953 long val = simple_strtol(buf, NULL, 10);
954
955 mutex_lock(&data->update_lock);
956 min = TEMP_FROM_REG(data->zone[nr].limit);
957 data->zone[nr].max_desired = TEMP_TO_REG(val);
958 data->zone[nr].range = RANGE_TO_REG(
959 val - min);
960 lm85_write_value(client, LM85_REG_AFAN_RANGE(nr),
961 ((data->zone[nr].range & 0x0f) << 4)
962 | (data->autofan[nr].freq & 0x07));
963 mutex_unlock(&data->update_lock);
964 return count;
965 }
966
967 static ssize_t show_temp_auto_temp_crit(struct device *dev,
968 struct device_attribute *attr, char *buf)
969 {
970 int nr = to_sensor_dev_attr(attr)->index;
971 struct lm85_data *data = lm85_update_device(dev);
972 return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].critical));
973 }
974
975 static ssize_t set_temp_auto_temp_crit(struct device *dev,
976 struct device_attribute *attr,const char *buf, size_t count)
977 {
978 int nr = to_sensor_dev_attr(attr)->index;
979 struct i2c_client *client = to_i2c_client(dev);
980 struct lm85_data *data = i2c_get_clientdata(client);
981 long val = simple_strtol(buf, NULL, 10);
982
983 mutex_lock(&data->update_lock);
984 data->zone[nr].critical = TEMP_TO_REG(val);
985 lm85_write_value(client, LM85_REG_AFAN_CRITICAL(nr),
986 data->zone[nr].critical);
987 mutex_unlock(&data->update_lock);
988 return count;
989 }
990
991 #define temp_auto(offset) \
992 static SENSOR_DEVICE_ATTR(temp##offset##_auto_temp_off, \
993 S_IRUGO | S_IWUSR, show_temp_auto_temp_off, \
994 set_temp_auto_temp_off, offset - 1); \
995 static SENSOR_DEVICE_ATTR(temp##offset##_auto_temp_min, \
996 S_IRUGO | S_IWUSR, show_temp_auto_temp_min, \
997 set_temp_auto_temp_min, offset - 1); \
998 static SENSOR_DEVICE_ATTR(temp##offset##_auto_temp_max, \
999 S_IRUGO | S_IWUSR, show_temp_auto_temp_max, \
1000 set_temp_auto_temp_max, offset - 1); \
1001 static SENSOR_DEVICE_ATTR(temp##offset##_auto_temp_crit, \
1002 S_IRUGO | S_IWUSR, show_temp_auto_temp_crit, \
1003 set_temp_auto_temp_crit, offset - 1);
1004
1005 temp_auto(1);
1006 temp_auto(2);
1007 temp_auto(3);
1008
1009 static int lm85_attach_adapter(struct i2c_adapter *adapter)
1010 {
1011 if (!(adapter->class & I2C_CLASS_HWMON))
1012 return 0;
1013 return i2c_probe(adapter, &addr_data, lm85_detect);
1014 }
1015
1016 static struct attribute *lm85_attributes[] = {
1017 &sensor_dev_attr_fan1_input.dev_attr.attr,
1018 &sensor_dev_attr_fan2_input.dev_attr.attr,
1019 &sensor_dev_attr_fan3_input.dev_attr.attr,
1020 &sensor_dev_attr_fan4_input.dev_attr.attr,
1021 &sensor_dev_attr_fan1_min.dev_attr.attr,
1022 &sensor_dev_attr_fan2_min.dev_attr.attr,
1023 &sensor_dev_attr_fan3_min.dev_attr.attr,
1024 &sensor_dev_attr_fan4_min.dev_attr.attr,
1025 &sensor_dev_attr_fan1_alarm.dev_attr.attr,
1026 &sensor_dev_attr_fan2_alarm.dev_attr.attr,
1027 &sensor_dev_attr_fan3_alarm.dev_attr.attr,
1028 &sensor_dev_attr_fan4_alarm.dev_attr.attr,
1029
1030 &sensor_dev_attr_pwm1.dev_attr.attr,
1031 &sensor_dev_attr_pwm2.dev_attr.attr,
1032 &sensor_dev_attr_pwm3.dev_attr.attr,
1033 &sensor_dev_attr_pwm1_enable.dev_attr.attr,
1034 &sensor_dev_attr_pwm2_enable.dev_attr.attr,
1035 &sensor_dev_attr_pwm3_enable.dev_attr.attr,
1036
1037 &sensor_dev_attr_in0_input.dev_attr.attr,
1038 &sensor_dev_attr_in1_input.dev_attr.attr,
1039 &sensor_dev_attr_in2_input.dev_attr.attr,
1040 &sensor_dev_attr_in3_input.dev_attr.attr,
1041 &sensor_dev_attr_in0_min.dev_attr.attr,
1042 &sensor_dev_attr_in1_min.dev_attr.attr,
1043 &sensor_dev_attr_in2_min.dev_attr.attr,
1044 &sensor_dev_attr_in3_min.dev_attr.attr,
1045 &sensor_dev_attr_in0_max.dev_attr.attr,
1046 &sensor_dev_attr_in1_max.dev_attr.attr,
1047 &sensor_dev_attr_in2_max.dev_attr.attr,
1048 &sensor_dev_attr_in3_max.dev_attr.attr,
1049 &sensor_dev_attr_in0_alarm.dev_attr.attr,
1050 &sensor_dev_attr_in1_alarm.dev_attr.attr,
1051 &sensor_dev_attr_in2_alarm.dev_attr.attr,
1052 &sensor_dev_attr_in3_alarm.dev_attr.attr,
1053
1054 &sensor_dev_attr_temp1_input.dev_attr.attr,
1055 &sensor_dev_attr_temp2_input.dev_attr.attr,
1056 &sensor_dev_attr_temp3_input.dev_attr.attr,
1057 &sensor_dev_attr_temp1_min.dev_attr.attr,
1058 &sensor_dev_attr_temp2_min.dev_attr.attr,
1059 &sensor_dev_attr_temp3_min.dev_attr.attr,
1060 &sensor_dev_attr_temp1_max.dev_attr.attr,
1061 &sensor_dev_attr_temp2_max.dev_attr.attr,
1062 &sensor_dev_attr_temp3_max.dev_attr.attr,
1063 &sensor_dev_attr_temp1_alarm.dev_attr.attr,
1064 &sensor_dev_attr_temp2_alarm.dev_attr.attr,
1065 &sensor_dev_attr_temp3_alarm.dev_attr.attr,
1066 &sensor_dev_attr_temp1_fault.dev_attr.attr,
1067 &sensor_dev_attr_temp3_fault.dev_attr.attr,
1068
1069 &sensor_dev_attr_pwm1_auto_channels.dev_attr.attr,
1070 &sensor_dev_attr_pwm2_auto_channels.dev_attr.attr,
1071 &sensor_dev_attr_pwm3_auto_channels.dev_attr.attr,
1072 &sensor_dev_attr_pwm1_auto_pwm_min.dev_attr.attr,
1073 &sensor_dev_attr_pwm2_auto_pwm_min.dev_attr.attr,
1074 &sensor_dev_attr_pwm3_auto_pwm_min.dev_attr.attr,
1075 &sensor_dev_attr_pwm1_auto_pwm_minctl.dev_attr.attr,
1076 &sensor_dev_attr_pwm2_auto_pwm_minctl.dev_attr.attr,
1077 &sensor_dev_attr_pwm3_auto_pwm_minctl.dev_attr.attr,
1078 &sensor_dev_attr_pwm1_auto_pwm_freq.dev_attr.attr,
1079 &sensor_dev_attr_pwm2_auto_pwm_freq.dev_attr.attr,
1080 &sensor_dev_attr_pwm3_auto_pwm_freq.dev_attr.attr,
1081
1082 &sensor_dev_attr_temp1_auto_temp_off.dev_attr.attr,
1083 &sensor_dev_attr_temp2_auto_temp_off.dev_attr.attr,
1084 &sensor_dev_attr_temp3_auto_temp_off.dev_attr.attr,
1085 &sensor_dev_attr_temp1_auto_temp_min.dev_attr.attr,
1086 &sensor_dev_attr_temp2_auto_temp_min.dev_attr.attr,
1087 &sensor_dev_attr_temp3_auto_temp_min.dev_attr.attr,
1088 &sensor_dev_attr_temp1_auto_temp_max.dev_attr.attr,
1089 &sensor_dev_attr_temp2_auto_temp_max.dev_attr.attr,
1090 &sensor_dev_attr_temp3_auto_temp_max.dev_attr.attr,
1091 &sensor_dev_attr_temp1_auto_temp_crit.dev_attr.attr,
1092 &sensor_dev_attr_temp2_auto_temp_crit.dev_attr.attr,
1093 &sensor_dev_attr_temp3_auto_temp_crit.dev_attr.attr,
1094
1095 &dev_attr_vrm.attr,
1096 &dev_attr_cpu0_vid.attr,
1097 &dev_attr_alarms.attr,
1098 NULL
1099 };
1100
1101 static const struct attribute_group lm85_group = {
1102 .attrs = lm85_attributes,
1103 };
1104
1105 static struct attribute *lm85_attributes_in4[] = {
1106 &sensor_dev_attr_in4_input.dev_attr.attr,
1107 &sensor_dev_attr_in4_min.dev_attr.attr,
1108 &sensor_dev_attr_in4_max.dev_attr.attr,
1109 &sensor_dev_attr_in4_alarm.dev_attr.attr,
1110 NULL
1111 };
1112
1113 static const struct attribute_group lm85_group_in4 = {
1114 .attrs = lm85_attributes_in4,
1115 };
1116
1117 static struct attribute *lm85_attributes_in567[] = {
1118 &sensor_dev_attr_in5_input.dev_attr.attr,
1119 &sensor_dev_attr_in6_input.dev_attr.attr,
1120 &sensor_dev_attr_in7_input.dev_attr.attr,
1121 &sensor_dev_attr_in5_min.dev_attr.attr,
1122 &sensor_dev_attr_in6_min.dev_attr.attr,
1123 &sensor_dev_attr_in7_min.dev_attr.attr,
1124 &sensor_dev_attr_in5_max.dev_attr.attr,
1125 &sensor_dev_attr_in6_max.dev_attr.attr,
1126 &sensor_dev_attr_in7_max.dev_attr.attr,
1127 &sensor_dev_attr_in5_alarm.dev_attr.attr,
1128 &sensor_dev_attr_in6_alarm.dev_attr.attr,
1129 &sensor_dev_attr_in7_alarm.dev_attr.attr,
1130 NULL
1131 };
1132
1133 static const struct attribute_group lm85_group_in567 = {
1134 .attrs = lm85_attributes_in567,
1135 };
1136
1137 static int lm85_detect(struct i2c_adapter *adapter, int address,
1138 int kind)
1139 {
1140 int company, verstep ;
1141 struct i2c_client *new_client = NULL;
1142 struct lm85_data *data;
1143 int err = 0;
1144 const char *type_name = "";
1145
1146 if (!i2c_check_functionality(adapter,
1147 I2C_FUNC_SMBUS_BYTE_DATA)) {
1148 /* We need to be able to do byte I/O */
1149 goto ERROR0 ;
1150 };
1151
1152 /* OK. For now, we presume we have a valid client. We now create the
1153 client structure, even though we cannot fill it completely yet.
1154 But it allows us to access lm85_{read,write}_value. */
1155
1156 if (!(data = kzalloc(sizeof(struct lm85_data), GFP_KERNEL))) {
1157 err = -ENOMEM;
1158 goto ERROR0;
1159 }
1160
1161 new_client = &data->client;
1162 i2c_set_clientdata(new_client, data);
1163 new_client->addr = address;
1164 new_client->adapter = adapter;
1165 new_client->driver = &lm85_driver;
1166 new_client->flags = 0;
1167
1168 /* Now, we do the remaining detection. */
1169
1170 company = lm85_read_value(new_client, LM85_REG_COMPANY);
1171 verstep = lm85_read_value(new_client, LM85_REG_VERSTEP);
1172
1173 dev_dbg(&adapter->dev, "Detecting device at %d,0x%02x with"
1174 " COMPANY: 0x%02x and VERSTEP: 0x%02x\n",
1175 i2c_adapter_id(new_client->adapter), new_client->addr,
1176 company, verstep);
1177
1178 /* If auto-detecting, Determine the chip type. */
1179 if (kind <= 0) {
1180 dev_dbg(&adapter->dev, "Autodetecting device at %d,0x%02x ...\n",
1181 i2c_adapter_id(adapter), address );
1182 if( company == LM85_COMPANY_NATIONAL
1183 && verstep == LM85_VERSTEP_LM85C ) {
1184 kind = lm85c ;
1185 } else if( company == LM85_COMPANY_NATIONAL
1186 && verstep == LM85_VERSTEP_LM85B ) {
1187 kind = lm85b ;
1188 } else if( company == LM85_COMPANY_NATIONAL
1189 && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC ) {
1190 dev_err(&adapter->dev, "Unrecognized version/stepping 0x%02x"
1191 " Defaulting to LM85.\n", verstep);
1192 kind = any_chip ;
1193 } else if( company == LM85_COMPANY_ANALOG_DEV
1194 && verstep == LM85_VERSTEP_ADM1027 ) {
1195 kind = adm1027 ;
1196 } else if( company == LM85_COMPANY_ANALOG_DEV
1197 && (verstep == LM85_VERSTEP_ADT7463
1198 || verstep == LM85_VERSTEP_ADT7463C) ) {
1199 kind = adt7463 ;
1200 } else if( company == LM85_COMPANY_ANALOG_DEV
1201 && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC ) {
1202 dev_err(&adapter->dev, "Unrecognized version/stepping 0x%02x"
1203 " Defaulting to Generic LM85.\n", verstep );
1204 kind = any_chip ;
1205 } else if( company == LM85_COMPANY_SMSC
1206 && (verstep == LM85_VERSTEP_EMC6D100_A0
1207 || verstep == LM85_VERSTEP_EMC6D100_A1) ) {
1208 /* Unfortunately, we can't tell a '100 from a '101
1209 * from the registers. Since a '101 is a '100
1210 * in a package with fewer pins and therefore no
1211 * 3.3V, 1.5V or 1.8V inputs, perhaps if those
1212 * inputs read 0, then it's a '101.
1213 */
1214 kind = emc6d100 ;
1215 } else if( company == LM85_COMPANY_SMSC
1216 && verstep == LM85_VERSTEP_EMC6D102) {
1217 kind = emc6d102 ;
1218 } else if( company == LM85_COMPANY_SMSC
1219 && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC) {
1220 dev_err(&adapter->dev, "lm85: Detected SMSC chip\n");
1221 dev_err(&adapter->dev, "lm85: Unrecognized version/stepping 0x%02x"
1222 " Defaulting to Generic LM85.\n", verstep );
1223 kind = any_chip ;
1224 } else if( kind == any_chip
1225 && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC) {
1226 dev_err(&adapter->dev, "Generic LM85 Version 6 detected\n");
1227 /* Leave kind as "any_chip" */
1228 } else {
1229 dev_dbg(&adapter->dev, "Autodetection failed\n");
1230 /* Not an LM85 ... */
1231 if( kind == any_chip ) { /* User used force=x,y */
1232 dev_err(&adapter->dev, "Generic LM85 Version 6 not"
1233 " found at %d,0x%02x. Try force_lm85c.\n",
1234 i2c_adapter_id(adapter), address );
1235 }
1236 err = 0 ;
1237 goto ERROR1;
1238 }
1239 }
1240
1241 /* Fill in the chip specific driver values */
1242 if ( kind == any_chip ) {
1243 type_name = "lm85";
1244 } else if ( kind == lm85b ) {
1245 type_name = "lm85b";
1246 } else if ( kind == lm85c ) {
1247 type_name = "lm85c";
1248 } else if ( kind == adm1027 ) {
1249 type_name = "adm1027";
1250 } else if ( kind == adt7463 ) {
1251 type_name = "adt7463";
1252 } else if ( kind == emc6d100){
1253 type_name = "emc6d100";
1254 } else if ( kind == emc6d102 ) {
1255 type_name = "emc6d102";
1256 }
1257 strlcpy(new_client->name, type_name, I2C_NAME_SIZE);
1258
1259 /* Fill in the remaining client fields */
1260 data->type = kind;
1261 data->valid = 0;
1262 mutex_init(&data->update_lock);
1263
1264 /* Tell the I2C layer a new client has arrived */
1265 if ((err = i2c_attach_client(new_client)))
1266 goto ERROR1;
1267
1268 /* Set the VRM version */
1269 data->vrm = vid_which_vrm();
1270
1271 /* Initialize the LM85 chip */
1272 lm85_init_client(new_client);
1273
1274 /* Register sysfs hooks */
1275 if ((err = sysfs_create_group(&new_client->dev.kobj, &lm85_group)))
1276 goto ERROR2;
1277
1278 /* The ADT7463 has an optional VRM 10 mode where pin 21 is used
1279 as a sixth digital VID input rather than an analog input. */
1280 data->vid = lm85_read_value(new_client, LM85_REG_VID);
1281 if (!(kind == adt7463 && (data->vid & 0x80)))
1282 if ((err = sysfs_create_group(&new_client->dev.kobj,
1283 &lm85_group_in4)))
1284 goto ERROR3;
1285
1286 /* The EMC6D100 has 3 additional voltage inputs */
1287 if (kind == emc6d100)
1288 if ((err = sysfs_create_group(&new_client->dev.kobj,
1289 &lm85_group_in567)))
1290 goto ERROR3;
1291
1292 data->hwmon_dev = hwmon_device_register(&new_client->dev);
1293 if (IS_ERR(data->hwmon_dev)) {
1294 err = PTR_ERR(data->hwmon_dev);
1295 goto ERROR3;
1296 }
1297
1298 return 0;
1299
1300 /* Error out and cleanup code */
1301 ERROR3:
1302 sysfs_remove_group(&new_client->dev.kobj, &lm85_group);
1303 sysfs_remove_group(&new_client->dev.kobj, &lm85_group_in4);
1304 if (kind == emc6d100)
1305 sysfs_remove_group(&new_client->dev.kobj, &lm85_group_in567);
1306 ERROR2:
1307 i2c_detach_client(new_client);
1308 ERROR1:
1309 kfree(data);
1310 ERROR0:
1311 return err;
1312 }
1313
1314 static int lm85_detach_client(struct i2c_client *client)
1315 {
1316 struct lm85_data *data = i2c_get_clientdata(client);
1317 hwmon_device_unregister(data->hwmon_dev);
1318 sysfs_remove_group(&client->dev.kobj, &lm85_group);
1319 sysfs_remove_group(&client->dev.kobj, &lm85_group_in4);
1320 if (data->type == emc6d100)
1321 sysfs_remove_group(&client->dev.kobj, &lm85_group_in567);
1322 i2c_detach_client(client);
1323 kfree(data);
1324 return 0;
1325 }
1326
1327
1328 static int lm85_read_value(struct i2c_client *client, u8 reg)
1329 {
1330 int res;
1331
1332 /* What size location is it? */
1333 switch( reg ) {
1334 case LM85_REG_FAN(0) : /* Read WORD data */
1335 case LM85_REG_FAN(1) :
1336 case LM85_REG_FAN(2) :
1337 case LM85_REG_FAN(3) :
1338 case LM85_REG_FAN_MIN(0) :
1339 case LM85_REG_FAN_MIN(1) :
1340 case LM85_REG_FAN_MIN(2) :
1341 case LM85_REG_FAN_MIN(3) :
1342 case LM85_REG_ALARM1 : /* Read both bytes at once */
1343 res = i2c_smbus_read_byte_data(client, reg) & 0xff ;
1344 res |= i2c_smbus_read_byte_data(client, reg+1) << 8 ;
1345 break ;
1346 case ADT7463_REG_TMIN_CTL1 : /* Read WORD MSB, LSB */
1347 res = i2c_smbus_read_byte_data(client, reg) << 8 ;
1348 res |= i2c_smbus_read_byte_data(client, reg+1) & 0xff ;
1349 break ;
1350 default: /* Read BYTE data */
1351 res = i2c_smbus_read_byte_data(client, reg);
1352 break ;
1353 }
1354
1355 return res ;
1356 }
1357
1358 static int lm85_write_value(struct i2c_client *client, u8 reg, int value)
1359 {
1360 int res ;
1361
1362 switch( reg ) {
1363 case LM85_REG_FAN(0) : /* Write WORD data */
1364 case LM85_REG_FAN(1) :
1365 case LM85_REG_FAN(2) :
1366 case LM85_REG_FAN(3) :
1367 case LM85_REG_FAN_MIN(0) :
1368 case LM85_REG_FAN_MIN(1) :
1369 case LM85_REG_FAN_MIN(2) :
1370 case LM85_REG_FAN_MIN(3) :
1371 /* NOTE: ALARM is read only, so not included here */
1372 res = i2c_smbus_write_byte_data(client, reg, value & 0xff) ;
1373 res |= i2c_smbus_write_byte_data(client, reg+1, (value>>8) & 0xff) ;
1374 break ;
1375 case ADT7463_REG_TMIN_CTL1 : /* Write WORD MSB, LSB */
1376 res = i2c_smbus_write_byte_data(client, reg, (value>>8) & 0xff);
1377 res |= i2c_smbus_write_byte_data(client, reg+1, value & 0xff) ;
1378 break ;
1379 default: /* Write BYTE data */
1380 res = i2c_smbus_write_byte_data(client, reg, value);
1381 break ;
1382 }
1383
1384 return res ;
1385 }
1386
1387 static void lm85_init_client(struct i2c_client *client)
1388 {
1389 int value;
1390 struct lm85_data *data = i2c_get_clientdata(client);
1391
1392 dev_dbg(&client->dev, "Initializing device\n");
1393
1394 /* Warn if part was not "READY" */
1395 value = lm85_read_value(client, LM85_REG_CONFIG);
1396 dev_dbg(&client->dev, "LM85_REG_CONFIG is: 0x%02x\n", value);
1397 if( value & 0x02 ) {
1398 dev_err(&client->dev, "Client (%d,0x%02x) config is locked.\n",
1399 i2c_adapter_id(client->adapter), client->addr );
1400 };
1401 if( ! (value & 0x04) ) {
1402 dev_err(&client->dev, "Client (%d,0x%02x) is not ready.\n",
1403 i2c_adapter_id(client->adapter), client->addr );
1404 };
1405 if( value & 0x10
1406 && ( data->type == adm1027
1407 || data->type == adt7463 ) ) {
1408 dev_err(&client->dev, "Client (%d,0x%02x) VxI mode is set. "
1409 "Please report this to the lm85 maintainer.\n",
1410 i2c_adapter_id(client->adapter), client->addr );
1411 };
1412
1413 /* WE INTENTIONALLY make no changes to the limits,
1414 * offsets, pwms, fans and zones. If they were
1415 * configured, we don't want to mess with them.
1416 * If they weren't, the default is 100% PWM, no
1417 * control and will suffice until 'sensors -s'
1418 * can be run by the user.
1419 */
1420
1421 /* Start monitoring */
1422 value = lm85_read_value(client, LM85_REG_CONFIG);
1423 /* Try to clear LOCK, Set START, save everything else */
1424 value = (value & ~ 0x02) | 0x01 ;
1425 dev_dbg(&client->dev, "Setting CONFIG to: 0x%02x\n", value);
1426 lm85_write_value(client, LM85_REG_CONFIG, value);
1427 }
1428
1429 static struct lm85_data *lm85_update_device(struct device *dev)
1430 {
1431 struct i2c_client *client = to_i2c_client(dev);
1432 struct lm85_data *data = i2c_get_clientdata(client);
1433 int i;
1434
1435 mutex_lock(&data->update_lock);
1436
1437 if ( !data->valid ||
1438 time_after(jiffies, data->last_reading + LM85_DATA_INTERVAL) ) {
1439 /* Things that change quickly */
1440 dev_dbg(&client->dev, "Reading sensor values\n");
1441
1442 /* Have to read extended bits first to "freeze" the
1443 * more significant bits that are read later.
1444 * There are 2 additional resolution bits per channel and we
1445 * have room for 4, so we shift them to the left.
1446 */
1447 if ( (data->type == adm1027) || (data->type == adt7463) ) {
1448 int ext1 = lm85_read_value(client,
1449 ADM1027_REG_EXTEND_ADC1);
1450 int ext2 = lm85_read_value(client,
1451 ADM1027_REG_EXTEND_ADC2);
1452 int val = (ext1 << 8) + ext2;
1453
1454 for(i = 0; i <= 4; i++)
1455 data->in_ext[i] = ((val>>(i * 2))&0x03) << 2;
1456
1457 for(i = 0; i <= 2; i++)
1458 data->temp_ext[i] = (val>>((i + 4) * 2))&0x0c;
1459 }
1460
1461 data->vid = lm85_read_value(client, LM85_REG_VID);
1462
1463 for (i = 0; i <= 3; ++i) {
1464 data->in[i] =
1465 lm85_read_value(client, LM85_REG_IN(i));
1466 }
1467
1468 if (!(data->type == adt7463 && (data->vid & 0x80))) {
1469 data->in[4] = lm85_read_value(client,
1470 LM85_REG_IN(4));
1471 }
1472
1473 for (i = 0; i <= 3; ++i) {
1474 data->fan[i] =
1475 lm85_read_value(client, LM85_REG_FAN(i));
1476 }
1477
1478 for (i = 0; i <= 2; ++i) {
1479 data->temp[i] =
1480 lm85_read_value(client, LM85_REG_TEMP(i));
1481 }
1482
1483 for (i = 0; i <= 2; ++i) {
1484 data->pwm[i] =
1485 lm85_read_value(client, LM85_REG_PWM(i));
1486 }
1487
1488 data->alarms = lm85_read_value(client, LM85_REG_ALARM1);
1489
1490 if ( data->type == adt7463 ) {
1491 if( data->therm_total < ULONG_MAX - 256 ) {
1492 data->therm_total +=
1493 lm85_read_value(client, ADT7463_REG_THERM );
1494 }
1495 } else if ( data->type == emc6d100 ) {
1496 /* Three more voltage sensors */
1497 for (i = 5; i <= 7; ++i) {
1498 data->in[i] =
1499 lm85_read_value(client, EMC6D100_REG_IN(i));
1500 }
1501 /* More alarm bits */
1502 data->alarms |=
1503 lm85_read_value(client, EMC6D100_REG_ALARM3) << 16;
1504 } else if (data->type == emc6d102 ) {
1505 /* Have to read LSB bits after the MSB ones because
1506 the reading of the MSB bits has frozen the
1507 LSBs (backward from the ADM1027).
1508 */
1509 int ext1 = lm85_read_value(client,
1510 EMC6D102_REG_EXTEND_ADC1);
1511 int ext2 = lm85_read_value(client,
1512 EMC6D102_REG_EXTEND_ADC2);
1513 int ext3 = lm85_read_value(client,
1514 EMC6D102_REG_EXTEND_ADC3);
1515 int ext4 = lm85_read_value(client,
1516 EMC6D102_REG_EXTEND_ADC4);
1517 data->in_ext[0] = ext3 & 0x0f;
1518 data->in_ext[1] = ext4 & 0x0f;
1519 data->in_ext[2] = (ext4 >> 4) & 0x0f;
1520 data->in_ext[3] = (ext3 >> 4) & 0x0f;
1521 data->in_ext[4] = (ext2 >> 4) & 0x0f;
1522
1523 data->temp_ext[0] = ext1 & 0x0f;
1524 data->temp_ext[1] = ext2 & 0x0f;
1525 data->temp_ext[2] = (ext1 >> 4) & 0x0f;
1526 }
1527
1528 data->last_reading = jiffies ;
1529 }; /* last_reading */
1530
1531 if ( !data->valid ||
1532 time_after(jiffies, data->last_config + LM85_CONFIG_INTERVAL) ) {
1533 /* Things that don't change often */
1534 dev_dbg(&client->dev, "Reading config values\n");
1535
1536 for (i = 0; i <= 3; ++i) {
1537 data->in_min[i] =
1538 lm85_read_value(client, LM85_REG_IN_MIN(i));
1539 data->in_max[i] =
1540 lm85_read_value(client, LM85_REG_IN_MAX(i));
1541 }
1542
1543 if (!(data->type == adt7463 && (data->vid & 0x80))) {
1544 data->in_min[4] = lm85_read_value(client,
1545 LM85_REG_IN_MIN(4));
1546 data->in_max[4] = lm85_read_value(client,
1547 LM85_REG_IN_MAX(4));
1548 }
1549
1550 if ( data->type == emc6d100 ) {
1551 for (i = 5; i <= 7; ++i) {
1552 data->in_min[i] =
1553 lm85_read_value(client, EMC6D100_REG_IN_MIN(i));
1554 data->in_max[i] =
1555 lm85_read_value(client, EMC6D100_REG_IN_MAX(i));
1556 }
1557 }
1558
1559 for (i = 0; i <= 3; ++i) {
1560 data->fan_min[i] =
1561 lm85_read_value(client, LM85_REG_FAN_MIN(i));
1562 }
1563
1564 for (i = 0; i <= 2; ++i) {
1565 data->temp_min[i] =
1566 lm85_read_value(client, LM85_REG_TEMP_MIN(i));
1567 data->temp_max[i] =
1568 lm85_read_value(client, LM85_REG_TEMP_MAX(i));
1569 }
1570
1571 for (i = 0; i <= 2; ++i) {
1572 int val ;
1573 data->autofan[i].config =
1574 lm85_read_value(client, LM85_REG_AFAN_CONFIG(i));
1575 val = lm85_read_value(client, LM85_REG_AFAN_RANGE(i));
1576 data->autofan[i].freq = val & 0x07 ;
1577 data->zone[i].range = (val >> 4) & 0x0f ;
1578 data->autofan[i].min_pwm =
1579 lm85_read_value(client, LM85_REG_AFAN_MINPWM(i));
1580 data->zone[i].limit =
1581 lm85_read_value(client, LM85_REG_AFAN_LIMIT(i));
1582 data->zone[i].critical =
1583 lm85_read_value(client, LM85_REG_AFAN_CRITICAL(i));
1584 }
1585
1586 i = lm85_read_value(client, LM85_REG_AFAN_SPIKE1);
1587 data->smooth[0] = i & 0x0f ;
1588 data->syncpwm3 = i & 0x10 ; /* Save PWM3 config */
1589 data->autofan[0].min_off = (i & 0x20) != 0 ;
1590 data->autofan[1].min_off = (i & 0x40) != 0 ;
1591 data->autofan[2].min_off = (i & 0x80) != 0 ;
1592 i = lm85_read_value(client, LM85_REG_AFAN_SPIKE2);
1593 data->smooth[1] = (i>>4) & 0x0f ;
1594 data->smooth[2] = i & 0x0f ;
1595
1596 i = lm85_read_value(client, LM85_REG_AFAN_HYST1);
1597 data->zone[0].hyst = (i>>4) & 0x0f ;
1598 data->zone[1].hyst = i & 0x0f ;
1599
1600 i = lm85_read_value(client, LM85_REG_AFAN_HYST2);
1601 data->zone[2].hyst = (i>>4) & 0x0f ;
1602
1603 if ( (data->type == lm85b) || (data->type == lm85c) ) {
1604 data->tach_mode = lm85_read_value(client,
1605 LM85_REG_TACH_MODE );
1606 data->spinup_ctl = lm85_read_value(client,
1607 LM85_REG_SPINUP_CTL );
1608 } else if ( (data->type == adt7463) || (data->type == adm1027) ) {
1609 if ( data->type == adt7463 ) {
1610 for (i = 0; i <= 2; ++i) {
1611 data->oppoint[i] = lm85_read_value(client,
1612 ADT7463_REG_OPPOINT(i) );
1613 }
1614 data->tmin_ctl = lm85_read_value(client,
1615 ADT7463_REG_TMIN_CTL1 );
1616 data->therm_limit = lm85_read_value(client,
1617 ADT7463_REG_THERM_LIMIT );
1618 }
1619 for (i = 0; i <= 2; ++i) {
1620 data->temp_offset[i] = lm85_read_value(client,
1621 ADM1027_REG_TEMP_OFFSET(i) );
1622 }
1623 data->tach_mode = lm85_read_value(client,
1624 ADM1027_REG_CONFIG3 );
1625 data->fan_ppr = lm85_read_value(client,
1626 ADM1027_REG_FAN_PPR );
1627 }
1628
1629 data->last_config = jiffies;
1630 }; /* last_config */
1631
1632 data->valid = 1;
1633
1634 mutex_unlock(&data->update_lock);
1635
1636 return data;
1637 }
1638
1639
1640 static int __init sm_lm85_init(void)
1641 {
1642 return i2c_add_driver(&lm85_driver);
1643 }
1644
1645 static void __exit sm_lm85_exit(void)
1646 {
1647 i2c_del_driver(&lm85_driver);
1648 }
1649
1650 /* Thanks to Richard Barrington for adding the LM85 to sensors-detect.
1651 * Thanks to Margit Schubert-While <margitsw@t-online.de> for help with
1652 * post 2.7.0 CVS changes.
1653 */
1654 MODULE_LICENSE("GPL");
1655 MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, Margit Schubert-While <margitsw@t-online.de>, Justin Thiessen <jthiessen@penguincomputing.com");
1656 MODULE_DESCRIPTION("LM85-B, LM85-C driver");
1657
1658 module_init(sm_lm85_init);
1659 module_exit(sm_lm85_exit);
WRT350N Kernel Patches