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1da177e4 LT |
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 | ||
1da177e4 LT |
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> | |
943b0830 | 31 | #include <linux/hwmon.h> |
303760b4 | 32 | #include <linux/hwmon-vid.h> |
b353a487 | 33 | #include <linux/hwmon-sysfs.h> |
943b0830 | 34 | #include <linux/err.h> |
9a61bf63 | 35 | #include <linux/mutex.h> |
1da177e4 LT |
36 | |
37 | /* Addresses to scan */ | |
38 | static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; | |
1da177e4 LT |
39 | |
40 | /* Insmod parameters */ | |
f4b50261 | 41 | I2C_CLIENT_INSMOD_6(lm85b, lm85c, adm1027, adt7463, emc6d100, emc6d102); |
1da177e4 LT |
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 | ||
1da177e4 LT |
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 | ||
5a4d3ef3 JD |
142 | #define INSEXT_FROM_REG(n,val,ext) \ |
143 | SCALE(((val) << 4) + (ext), 192 << 4, lm85_scaling[n]) | |
1da177e4 | 144 | |
5a4d3ef3 | 145 | #define INS_FROM_REG(n,val) SCALE((val), 192, lm85_scaling[n]) |
1da177e4 LT |
146 | |
147 | /* FAN speed is measured using 90kHz clock */ | |
63f281a6 JD |
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 | } | |
1da177e4 LT |
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) | |
5a4d3ef3 JD |
159 | #define TEMPEXT_FROM_REG(val,ext) \ |
160 | SCALE(((val) << 4) + (ext), 16, 1000) | |
161 | #define TEMP_FROM_REG(val) ((val) * 1000) | |
1da177e4 LT |
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 | ||
1da177e4 LT |
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 | ||
1da177e4 LT |
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 | ||
ed6bafbf JD |
315 | /* For each registered chip, we need to keep some data in memory. |
316 | The structure is dynamically allocated. */ | |
1da177e4 LT |
317 | struct lm85_data { |
318 | struct i2c_client client; | |
1beeffe4 | 319 | struct device *hwmon_dev; |
1da177e4 LT |
320 | enum chips type; |
321 | ||
9a61bf63 | 322 | struct mutex update_lock; |
1da177e4 LT |
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 */ | |
1da177e4 LT |
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 | ||
f6c27fc1 DJ |
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); | |
1da177e4 LT |
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 = { | |
cdaf7934 | 367 | .driver = { |
cdaf7934 LR |
368 | .name = "lm85", |
369 | }, | |
1da177e4 LT |
370 | .attach_adapter = lm85_attach_adapter, |
371 | .detach_client = lm85_detach_client, | |
372 | }; | |
373 | ||
374 | ||
375 | /* 4 Fans */ | |
b353a487 JD |
376 | static ssize_t show_fan(struct device *dev, struct device_attribute *attr, |
377 | char *buf) | |
1da177e4 | 378 | { |
b353a487 | 379 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
380 | struct lm85_data *data = lm85_update_device(dev); |
381 | return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan[nr]) ); | |
382 | } | |
b353a487 JD |
383 | |
384 | static ssize_t show_fan_min(struct device *dev, struct device_attribute *attr, | |
385 | char *buf) | |
1da177e4 | 386 | { |
b353a487 | 387 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
388 | struct lm85_data *data = lm85_update_device(dev); |
389 | return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan_min[nr]) ); | |
390 | } | |
b353a487 JD |
391 | |
392 | static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr, | |
393 | const char *buf, size_t count) | |
1da177e4 | 394 | { |
b353a487 | 395 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
396 | struct i2c_client *client = to_i2c_client(dev); |
397 | struct lm85_data *data = i2c_get_clientdata(client); | |
63f281a6 | 398 | unsigned long val = simple_strtoul(buf, NULL, 10); |
1da177e4 | 399 | |
9a61bf63 | 400 | mutex_lock(&data->update_lock); |
1da177e4 LT |
401 | data->fan_min[nr] = FAN_TO_REG(val); |
402 | lm85_write_value(client, LM85_REG_FAN_MIN(nr), data->fan_min[nr]); | |
9a61bf63 | 403 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
404 | return count; |
405 | } | |
406 | ||
407 | #define show_fan_offset(offset) \ | |
b353a487 JD |
408 | static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, \ |
409 | show_fan, NULL, offset - 1); \ | |
410 | static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ | |
411 | show_fan_min, set_fan_min, offset - 1) | |
1da177e4 LT |
412 | |
413 | show_fan_offset(1); | |
414 | show_fan_offset(2); | |
415 | show_fan_offset(3); | |
416 | show_fan_offset(4); | |
417 | ||
418 | /* vid, vrm, alarms */ | |
419 | ||
8627f9ba | 420 | static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
421 | { |
422 | struct lm85_data *data = lm85_update_device(dev); | |
9c516ef4 JD |
423 | int vid; |
424 | ||
425 | if (data->type == adt7463 && (data->vid & 0x80)) { | |
426 | /* 6-pin VID (VRM 10) */ | |
427 | vid = vid_from_reg(data->vid & 0x3f, data->vrm); | |
428 | } else { | |
429 | /* 5-pin VID (VRM 9) */ | |
430 | vid = vid_from_reg(data->vid & 0x1f, data->vrm); | |
431 | } | |
432 | ||
433 | return sprintf(buf, "%d\n", vid); | |
1da177e4 LT |
434 | } |
435 | ||
436 | static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL); | |
437 | ||
8627f9ba | 438 | static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 | 439 | { |
90d6619a | 440 | struct lm85_data *data = dev_get_drvdata(dev); |
1da177e4 LT |
441 | return sprintf(buf, "%ld\n", (long) data->vrm); |
442 | } | |
443 | ||
8627f9ba | 444 | static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) |
1da177e4 LT |
445 | { |
446 | struct i2c_client *client = to_i2c_client(dev); | |
447 | struct lm85_data *data = i2c_get_clientdata(client); | |
448 | u32 val; | |
449 | ||
450 | val = simple_strtoul(buf, NULL, 10); | |
451 | data->vrm = val; | |
452 | return count; | |
453 | } | |
454 | ||
455 | static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); | |
456 | ||
8627f9ba | 457 | static ssize_t show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) |
1da177e4 LT |
458 | { |
459 | struct lm85_data *data = lm85_update_device(dev); | |
68188ba7 | 460 | return sprintf(buf, "%u\n", data->alarms); |
1da177e4 LT |
461 | } |
462 | ||
463 | static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); | |
464 | ||
bf76e9d3 JD |
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 | ||
1da177e4 LT |
491 | /* pwm */ |
492 | ||
b353a487 JD |
493 | static ssize_t show_pwm(struct device *dev, struct device_attribute *attr, |
494 | char *buf) | |
1da177e4 | 495 | { |
b353a487 | 496 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
497 | struct lm85_data *data = lm85_update_device(dev); |
498 | return sprintf(buf,"%d\n", PWM_FROM_REG(data->pwm[nr]) ); | |
499 | } | |
b353a487 JD |
500 | |
501 | static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, | |
502 | const char *buf, size_t count) | |
1da177e4 | 503 | { |
b353a487 | 504 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
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 | ||
9a61bf63 | 509 | mutex_lock(&data->update_lock); |
1da177e4 LT |
510 | data->pwm[nr] = PWM_TO_REG(val); |
511 | lm85_write_value(client, LM85_REG_PWM(nr), data->pwm[nr]); | |
9a61bf63 | 512 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
513 | return count; |
514 | } | |
b353a487 JD |
515 | |
516 | static ssize_t show_pwm_enable(struct device *dev, struct device_attribute | |
517 | *attr, char *buf) | |
1da177e4 | 518 | { |
b353a487 | 519 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 520 | struct lm85_data *data = lm85_update_device(dev); |
4b4df95d | 521 | int pwm_zone, enable; |
1da177e4 LT |
522 | |
523 | pwm_zone = ZONE_FROM_REG(data->autofan[nr].config); | |
4b4df95d JD |
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); | |
1da177e4 LT |
536 | } |
537 | ||
455f791e JD |
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 | ||
1da177e4 | 574 | #define show_pwm_reg(offset) \ |
b353a487 JD |
575 | static SENSOR_DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \ |
576 | show_pwm, set_pwm, offset - 1); \ | |
455f791e JD |
577 | static SENSOR_DEVICE_ATTR(pwm##offset##_enable, S_IRUGO | S_IWUSR, \ |
578 | show_pwm_enable, set_pwm_enable, offset - 1) | |
1da177e4 LT |
579 | |
580 | show_pwm_reg(1); | |
581 | show_pwm_reg(2); | |
582 | show_pwm_reg(3); | |
583 | ||
584 | /* Voltages */ | |
585 | ||
b353a487 JD |
586 | static ssize_t show_in(struct device *dev, struct device_attribute *attr, |
587 | char *buf) | |
1da177e4 | 588 | { |
b353a487 | 589 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
590 | struct lm85_data *data = lm85_update_device(dev); |
591 | return sprintf( buf, "%d\n", INSEXT_FROM_REG(nr, | |
592 | data->in[nr], | |
5a4d3ef3 | 593 | data->in_ext[nr])); |
1da177e4 | 594 | } |
b353a487 JD |
595 | |
596 | static ssize_t show_in_min(struct device *dev, struct device_attribute *attr, | |
597 | char *buf) | |
1da177e4 | 598 | { |
b353a487 | 599 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
600 | struct lm85_data *data = lm85_update_device(dev); |
601 | return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in_min[nr]) ); | |
602 | } | |
b353a487 JD |
603 | |
604 | static ssize_t set_in_min(struct device *dev, struct device_attribute *attr, | |
605 | const char *buf, size_t count) | |
1da177e4 | 606 | { |
b353a487 | 607 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
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 | ||
9a61bf63 | 612 | mutex_lock(&data->update_lock); |
1da177e4 LT |
613 | data->in_min[nr] = INS_TO_REG(nr, val); |
614 | lm85_write_value(client, LM85_REG_IN_MIN(nr), data->in_min[nr]); | |
9a61bf63 | 615 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
616 | return count; |
617 | } | |
b353a487 JD |
618 | |
619 | static ssize_t show_in_max(struct device *dev, struct device_attribute *attr, | |
620 | char *buf) | |
1da177e4 | 621 | { |
b353a487 | 622 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
623 | struct lm85_data *data = lm85_update_device(dev); |
624 | return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in_max[nr]) ); | |
625 | } | |
b353a487 JD |
626 | |
627 | static ssize_t set_in_max(struct device *dev, struct device_attribute *attr, | |
628 | const char *buf, size_t count) | |
1da177e4 | 629 | { |
b353a487 | 630 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
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 | ||
9a61bf63 | 635 | mutex_lock(&data->update_lock); |
1da177e4 LT |
636 | data->in_max[nr] = INS_TO_REG(nr, val); |
637 | lm85_write_value(client, LM85_REG_IN_MAX(nr), data->in_max[nr]); | |
9a61bf63 | 638 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
639 | return count; |
640 | } | |
b353a487 | 641 | |
1da177e4 | 642 | #define show_in_reg(offset) \ |
b353a487 JD |
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) | |
1da177e4 LT |
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); | |
6b9aad2d JD |
655 | show_in_reg(5); |
656 | show_in_reg(6); | |
657 | show_in_reg(7); | |
1da177e4 LT |
658 | |
659 | /* Temps */ | |
660 | ||
b353a487 JD |
661 | static ssize_t show_temp(struct device *dev, struct device_attribute *attr, |
662 | char *buf) | |
1da177e4 | 663 | { |
b353a487 | 664 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
665 | struct lm85_data *data = lm85_update_device(dev); |
666 | return sprintf(buf,"%d\n", TEMPEXT_FROM_REG(data->temp[nr], | |
5a4d3ef3 | 667 | data->temp_ext[nr])); |
1da177e4 | 668 | } |
b353a487 JD |
669 | |
670 | static ssize_t show_temp_min(struct device *dev, struct device_attribute *attr, | |
671 | char *buf) | |
1da177e4 | 672 | { |
b353a487 | 673 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
674 | struct lm85_data *data = lm85_update_device(dev); |
675 | return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_min[nr]) ); | |
676 | } | |
b353a487 JD |
677 | |
678 | static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr, | |
679 | const char *buf, size_t count) | |
1da177e4 | 680 | { |
b353a487 | 681 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
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 | ||
9a61bf63 | 686 | mutex_lock(&data->update_lock); |
1da177e4 LT |
687 | data->temp_min[nr] = TEMP_TO_REG(val); |
688 | lm85_write_value(client, LM85_REG_TEMP_MIN(nr), data->temp_min[nr]); | |
9a61bf63 | 689 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
690 | return count; |
691 | } | |
b353a487 JD |
692 | |
693 | static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr, | |
694 | char *buf) | |
1da177e4 | 695 | { |
b353a487 | 696 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
697 | struct lm85_data *data = lm85_update_device(dev); |
698 | return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_max[nr]) ); | |
699 | } | |
b353a487 JD |
700 | |
701 | static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, | |
702 | const char *buf, size_t count) | |
1da177e4 | 703 | { |
b353a487 | 704 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
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 | ||
9a61bf63 | 709 | mutex_lock(&data->update_lock); |
1da177e4 LT |
710 | data->temp_max[nr] = TEMP_TO_REG(val); |
711 | lm85_write_value(client, LM85_REG_TEMP_MAX(nr), data->temp_max[nr]); | |
9a61bf63 | 712 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
713 | return count; |
714 | } | |
b353a487 | 715 | |
1da177e4 | 716 | #define show_temp_reg(offset) \ |
b353a487 JD |
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); | |
1da177e4 LT |
723 | |
724 | show_temp_reg(1); | |
725 | show_temp_reg(2); | |
726 | show_temp_reg(3); | |
727 | ||
728 | ||
729 | /* Automatic PWM control */ | |
730 | ||
b353a487 JD |
731 | static ssize_t show_pwm_auto_channels(struct device *dev, |
732 | struct device_attribute *attr, char *buf) | |
1da177e4 | 733 | { |
b353a487 | 734 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
735 | struct lm85_data *data = lm85_update_device(dev); |
736 | return sprintf(buf,"%d\n", ZONE_FROM_REG(data->autofan[nr].config)); | |
737 | } | |
b353a487 JD |
738 | |
739 | static ssize_t set_pwm_auto_channels(struct device *dev, | |
740 | struct device_attribute *attr, const char *buf, size_t count) | |
1da177e4 | 741 | { |
b353a487 | 742 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
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 | ||
9a61bf63 | 747 | mutex_lock(&data->update_lock); |
1da177e4 LT |
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); | |
9a61bf63 | 752 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
753 | return count; |
754 | } | |
b353a487 JD |
755 | |
756 | static ssize_t show_pwm_auto_pwm_min(struct device *dev, | |
757 | struct device_attribute *attr, char *buf) | |
1da177e4 | 758 | { |
b353a487 | 759 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
760 | struct lm85_data *data = lm85_update_device(dev); |
761 | return sprintf(buf,"%d\n", PWM_FROM_REG(data->autofan[nr].min_pwm)); | |
762 | } | |
b353a487 JD |
763 | |
764 | static ssize_t set_pwm_auto_pwm_min(struct device *dev, | |
765 | struct device_attribute *attr, const char *buf, size_t count) | |
1da177e4 | 766 | { |
b353a487 | 767 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
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 | ||
9a61bf63 | 772 | mutex_lock(&data->update_lock); |
1da177e4 LT |
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); | |
9a61bf63 | 776 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
777 | return count; |
778 | } | |
b353a487 JD |
779 | |
780 | static ssize_t show_pwm_auto_pwm_minctl(struct device *dev, | |
781 | struct device_attribute *attr, char *buf) | |
1da177e4 | 782 | { |
b353a487 | 783 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
784 | struct lm85_data *data = lm85_update_device(dev); |
785 | return sprintf(buf,"%d\n", data->autofan[nr].min_off); | |
786 | } | |
b353a487 JD |
787 | |
788 | static ssize_t set_pwm_auto_pwm_minctl(struct device *dev, | |
789 | struct device_attribute *attr, const char *buf, size_t count) | |
1da177e4 | 790 | { |
b353a487 | 791 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
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 | ||
9a61bf63 | 796 | mutex_lock(&data->update_lock); |
1da177e4 LT |
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 | ); | |
9a61bf63 | 804 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
805 | return count; |
806 | } | |
b353a487 JD |
807 | |
808 | static ssize_t show_pwm_auto_pwm_freq(struct device *dev, | |
809 | struct device_attribute *attr, char *buf) | |
1da177e4 | 810 | { |
b353a487 | 811 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
812 | struct lm85_data *data = lm85_update_device(dev); |
813 | return sprintf(buf,"%d\n", FREQ_FROM_REG(data->autofan[nr].freq)); | |
814 | } | |
b353a487 JD |
815 | |
816 | static ssize_t set_pwm_auto_pwm_freq(struct device *dev, | |
817 | struct device_attribute *attr, const char *buf, size_t count) | |
1da177e4 | 818 | { |
b353a487 | 819 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
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 | ||
9a61bf63 | 824 | mutex_lock(&data->update_lock); |
1da177e4 LT |
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 | ); | |
9a61bf63 | 830 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
831 | return count; |
832 | } | |
b353a487 | 833 | |
1da177e4 | 834 | #define pwm_auto(offset) \ |
b353a487 JD |
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 | ||
1da177e4 LT |
848 | pwm_auto(1); |
849 | pwm_auto(2); | |
850 | pwm_auto(3); | |
851 | ||
852 | /* Temperature settings for automatic PWM control */ | |
853 | ||
b353a487 JD |
854 | static ssize_t show_temp_auto_temp_off(struct device *dev, |
855 | struct device_attribute *attr, char *buf) | |
1da177e4 | 856 | { |
b353a487 | 857 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
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 | } | |
b353a487 JD |
862 | |
863 | static ssize_t set_temp_auto_temp_off(struct device *dev, | |
864 | struct device_attribute *attr, const char *buf, size_t count) | |
1da177e4 | 865 | { |
b353a487 | 866 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
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 | ||
9a61bf63 | 872 | mutex_lock(&data->update_lock); |
1da177e4 LT |
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 | } | |
9a61bf63 | 886 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
887 | return count; |
888 | } | |
b353a487 JD |
889 | |
890 | static ssize_t show_temp_auto_temp_min(struct device *dev, | |
891 | struct device_attribute *attr, char *buf) | |
1da177e4 | 892 | { |
b353a487 | 893 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
894 | struct lm85_data *data = lm85_update_device(dev); |
895 | return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) ); | |
896 | } | |
b353a487 JD |
897 | |
898 | static ssize_t set_temp_auto_temp_min(struct device *dev, | |
899 | struct device_attribute *attr, const char *buf, size_t count) | |
1da177e4 | 900 | { |
b353a487 | 901 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
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 | ||
9a61bf63 | 906 | mutex_lock(&data->update_lock); |
1da177e4 LT |
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 | } | |
9a61bf63 | 933 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
934 | return count; |
935 | } | |
b353a487 JD |
936 | |
937 | static ssize_t show_temp_auto_temp_max(struct device *dev, | |
938 | struct device_attribute *attr, char *buf) | |
1da177e4 | 939 | { |
b353a487 | 940 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
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 | } | |
b353a487 JD |
945 | |
946 | static ssize_t set_temp_auto_temp_max(struct device *dev, | |
947 | struct device_attribute *attr, const char *buf, size_t count) | |
1da177e4 | 948 | { |
b353a487 | 949 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
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 | ||
9a61bf63 | 955 | mutex_lock(&data->update_lock); |
1da177e4 LT |
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)); | |
9a61bf63 | 963 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
964 | return count; |
965 | } | |
b353a487 JD |
966 | |
967 | static ssize_t show_temp_auto_temp_crit(struct device *dev, | |
968 | struct device_attribute *attr, char *buf) | |
1da177e4 | 969 | { |
b353a487 | 970 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
971 | struct lm85_data *data = lm85_update_device(dev); |
972 | return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].critical)); | |
973 | } | |
b353a487 JD |
974 | |
975 | static ssize_t set_temp_auto_temp_crit(struct device *dev, | |
976 | struct device_attribute *attr,const char *buf, size_t count) | |
1da177e4 | 977 | { |
b353a487 | 978 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
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 | ||
9a61bf63 | 983 | mutex_lock(&data->update_lock); |
1da177e4 LT |
984 | data->zone[nr].critical = TEMP_TO_REG(val); |
985 | lm85_write_value(client, LM85_REG_AFAN_CRITICAL(nr), | |
986 | data->zone[nr].critical); | |
9a61bf63 | 987 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
988 | return count; |
989 | } | |
b353a487 | 990 | |
1da177e4 | 991 | #define temp_auto(offset) \ |
b353a487 JD |
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 | ||
1da177e4 LT |
1005 | temp_auto(1); |
1006 | temp_auto(2); | |
1007 | temp_auto(3); | |
1008 | ||
d8d20615 | 1009 | static int lm85_attach_adapter(struct i2c_adapter *adapter) |
1da177e4 LT |
1010 | { |
1011 | if (!(adapter->class & I2C_CLASS_HWMON)) | |
1012 | return 0; | |
2ed2dc3c | 1013 | return i2c_probe(adapter, &addr_data, lm85_detect); |
1da177e4 LT |
1014 | } |
1015 | ||
0501a381 | 1016 | static struct attribute *lm85_attributes[] = { |
b353a487 JD |
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, | |
bf76e9d3 JD |
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, | |
b353a487 JD |
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, | |
bf76e9d3 JD |
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, | |
b353a487 JD |
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, | |
bf76e9d3 JD |
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, | |
b353a487 JD |
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 | ||
0501a381 MH |
1095 | &dev_attr_vrm.attr, |
1096 | &dev_attr_cpu0_vid.attr, | |
1097 | &dev_attr_alarms.attr, | |
0501a381 MH |
1098 | NULL |
1099 | }; | |
1100 | ||
1101 | static const struct attribute_group lm85_group = { | |
1102 | .attrs = lm85_attributes, | |
1103 | }; | |
1104 | ||
6b9aad2d | 1105 | static struct attribute *lm85_attributes_in4[] = { |
b353a487 JD |
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, | |
bf76e9d3 | 1109 | &sensor_dev_attr_in4_alarm.dev_attr.attr, |
0501a381 MH |
1110 | NULL |
1111 | }; | |
1112 | ||
6b9aad2d JD |
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, | |
bf76e9d3 JD |
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, | |
6b9aad2d JD |
1130 | NULL |
1131 | }; | |
1132 | ||
1133 | static const struct attribute_group lm85_group_in567 = { | |
1134 | .attrs = lm85_attributes_in567, | |
0501a381 MH |
1135 | }; |
1136 | ||
d8d20615 | 1137 | static int lm85_detect(struct i2c_adapter *adapter, int address, |
1da177e4 LT |
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 | ||
1da177e4 LT |
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 | ||
ba9c2e8d | 1156 | if (!(data = kzalloc(sizeof(struct lm85_data), GFP_KERNEL))) { |
1da177e4 LT |
1157 | err = -ENOMEM; |
1158 | goto ERROR0; | |
1159 | } | |
1da177e4 LT |
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; | |
9a61bf63 | 1262 | mutex_init(&data->update_lock); |
1da177e4 LT |
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 */ | |
303760b4 | 1269 | data->vrm = vid_which_vrm(); |
1da177e4 LT |
1270 | |
1271 | /* Initialize the LM85 chip */ | |
1272 | lm85_init_client(new_client); | |
1273 | ||
1274 | /* Register sysfs hooks */ | |
0501a381 | 1275 | if ((err = sysfs_create_group(&new_client->dev.kobj, &lm85_group))) |
943b0830 | 1276 | goto ERROR2; |
1da177e4 | 1277 | |
9c516ef4 JD |
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); | |
0501a381 | 1281 | if (!(kind == adt7463 && (data->vid & 0x80))) |
6b9aad2d JD |
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))) | |
0501a381 MH |
1290 | goto ERROR3; |
1291 | ||
1beeffe4 TJ |
1292 | data->hwmon_dev = hwmon_device_register(&new_client->dev); |
1293 | if (IS_ERR(data->hwmon_dev)) { | |
1294 | err = PTR_ERR(data->hwmon_dev); | |
0501a381 | 1295 | goto ERROR3; |
9c516ef4 JD |
1296 | } |
1297 | ||
1da177e4 LT |
1298 | return 0; |
1299 | ||
1300 | /* Error out and cleanup code */ | |
0501a381 MH |
1301 | ERROR3: |
1302 | sysfs_remove_group(&new_client->dev.kobj, &lm85_group); | |
6b9aad2d JD |
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); | |
943b0830 MH |
1306 | ERROR2: |
1307 | i2c_detach_client(new_client); | |
1da177e4 LT |
1308 | ERROR1: |
1309 | kfree(data); | |
1310 | ERROR0: | |
1311 | return err; | |
1312 | } | |
1313 | ||
d8d20615 | 1314 | static int lm85_detach_client(struct i2c_client *client) |
1da177e4 | 1315 | { |
943b0830 | 1316 | struct lm85_data *data = i2c_get_clientdata(client); |
1beeffe4 | 1317 | hwmon_device_unregister(data->hwmon_dev); |
0501a381 | 1318 | sysfs_remove_group(&client->dev.kobj, &lm85_group); |
6b9aad2d JD |
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); | |
1da177e4 | 1322 | i2c_detach_client(client); |
943b0830 | 1323 | kfree(data); |
1da177e4 LT |
1324 | return 0; |
1325 | } | |
1326 | ||
1327 | ||
d8d20615 | 1328 | static int lm85_read_value(struct i2c_client *client, u8 reg) |
1da177e4 LT |
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 | ||
d8d20615 | 1358 | static int lm85_write_value(struct i2c_client *client, u8 reg, int value) |
1da177e4 LT |
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 | ||
d8d20615 | 1387 | static void lm85_init_client(struct i2c_client *client) |
1da177e4 LT |
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 | ||
9a61bf63 | 1435 | mutex_lock(&data->update_lock); |
1da177e4 LT |
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. | |
5a4d3ef3 JD |
1444 | * There are 2 additional resolution bits per channel and we |
1445 | * have room for 4, so we shift them to the left. | |
1da177e4 LT |
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++) | |
5a4d3ef3 | 1455 | data->in_ext[i] = ((val>>(i * 2))&0x03) << 2; |
1da177e4 LT |
1456 | |
1457 | for(i = 0; i <= 2; i++) | |
5a4d3ef3 | 1458 | data->temp_ext[i] = (val>>((i + 4) * 2))&0x0c; |
1da177e4 LT |
1459 | } |
1460 | ||
9c516ef4 JD |
1461 | data->vid = lm85_read_value(client, LM85_REG_VID); |
1462 | ||
1463 | for (i = 0; i <= 3; ++i) { | |
1da177e4 LT |
1464 | data->in[i] = |
1465 | lm85_read_value(client, LM85_REG_IN(i)); | |
1466 | } | |
1467 | ||
9c516ef4 JD |
1468 | if (!(data->type == adt7463 && (data->vid & 0x80))) { |
1469 | data->in[4] = lm85_read_value(client, | |
1470 | LM85_REG_IN(4)); | |
1471 | } | |
1472 | ||
1da177e4 LT |
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 | ||
9c516ef4 | 1536 | for (i = 0; i <= 3; ++i) { |
1da177e4 LT |
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 | ||
9c516ef4 JD |
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 | ||
1da177e4 LT |
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 | ||
1da177e4 LT |
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 | ||
9a61bf63 | 1634 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
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); |