Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
09770b26 GR |
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> | |
590e8534 | 8 | * Copyright (C) 2007--2014 Jean Delvare <jdelvare@suse.de> |
09770b26 GR |
9 | * |
10 | * Chip details at <http://www.national.com/ds/LM/LM85.pdf> | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or modify | |
13 | * it under the terms of the GNU General Public License as published by | |
14 | * the Free Software Foundation; either version 2 of the License, or | |
15 | * (at your option) any later version. | |
16 | * | |
17 | * This program is distributed in the hope that it will be useful, | |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU General Public License for more details. | |
21 | * | |
22 | * You should have received a copy of the GNU General Public License | |
23 | * along with this program; if not, write to the Free Software | |
24 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
25 | */ | |
1da177e4 | 26 | |
1da177e4 LT |
27 | #include <linux/module.h> |
28 | #include <linux/init.h> | |
29 | #include <linux/slab.h> | |
30 | #include <linux/jiffies.h> | |
31 | #include <linux/i2c.h> | |
943b0830 | 32 | #include <linux/hwmon.h> |
303760b4 | 33 | #include <linux/hwmon-vid.h> |
b353a487 | 34 | #include <linux/hwmon-sysfs.h> |
943b0830 | 35 | #include <linux/err.h> |
9a61bf63 | 36 | #include <linux/mutex.h> |
1da177e4 LT |
37 | |
38 | /* Addresses to scan */ | |
25e9c86d | 39 | static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; |
1da177e4 | 40 | |
e5e9f44c | 41 | enum chips { |
590e8534 | 42 | lm85, |
e5e9f44c | 43 | adm1027, adt7463, adt7468, |
06923f84 | 44 | emc6d100, emc6d102, emc6d103, emc6d103s |
e5e9f44c | 45 | }; |
1da177e4 LT |
46 | |
47 | /* The LM85 registers */ | |
48 | ||
09770b26 GR |
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) | |
1da177e4 | 52 | |
09770b26 GR |
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) | |
1da177e4 LT |
56 | |
57 | /* Fan speeds are LSB, MSB (2 bytes) */ | |
09770b26 GR |
58 | #define LM85_REG_FAN(nr) (0x28 + (nr) * 2) |
59 | #define LM85_REG_FAN_MIN(nr) (0x54 + (nr) * 2) | |
1da177e4 | 60 | |
09770b26 | 61 | #define LM85_REG_PWM(nr) (0x30 + (nr)) |
1da177e4 | 62 | |
09770b26 GR |
63 | #define LM85_REG_COMPANY 0x3e |
64 | #define LM85_REG_VERSTEP 0x3f | |
79b92f2b | 65 | |
09770b26 GR |
66 | #define ADT7468_REG_CFG5 0x7c |
67 | #define ADT7468_OFF64 (1 << 0) | |
68 | #define ADT7468_HFPWM (1 << 1) | |
69 | #define IS_ADT7468_OFF64(data) \ | |
79b92f2b | 70 | ((data)->type == adt7468 && !((data)->cfg5 & ADT7468_OFF64)) |
09770b26 | 71 | #define IS_ADT7468_HFPWM(data) \ |
f6c61cff | 72 | ((data)->type == adt7468 && !((data)->cfg5 & ADT7468_HFPWM)) |
79b92f2b | 73 | |
1da177e4 | 74 | /* These are the recognized values for the above regs */ |
09770b26 GR |
75 | #define LM85_COMPANY_NATIONAL 0x01 |
76 | #define LM85_COMPANY_ANALOG_DEV 0x41 | |
77 | #define LM85_COMPANY_SMSC 0x5c | |
09770b26 GR |
78 | #define LM85_VERSTEP_LM85C 0x60 |
79 | #define LM85_VERSTEP_LM85B 0x62 | |
80 | #define LM85_VERSTEP_LM96000_1 0x68 | |
81 | #define LM85_VERSTEP_LM96000_2 0x69 | |
82 | #define LM85_VERSTEP_ADM1027 0x60 | |
83 | #define LM85_VERSTEP_ADT7463 0x62 | |
84 | #define LM85_VERSTEP_ADT7463C 0x6A | |
85 | #define LM85_VERSTEP_ADT7468_1 0x71 | |
86 | #define LM85_VERSTEP_ADT7468_2 0x72 | |
87 | #define LM85_VERSTEP_EMC6D100_A0 0x60 | |
88 | #define LM85_VERSTEP_EMC6D100_A1 0x61 | |
89 | #define LM85_VERSTEP_EMC6D102 0x65 | |
90 | #define LM85_VERSTEP_EMC6D103_A0 0x68 | |
91 | #define LM85_VERSTEP_EMC6D103_A1 0x69 | |
92 | #define LM85_VERSTEP_EMC6D103S 0x6A /* Also known as EMC6D103:A2 */ | |
93 | ||
94 | #define LM85_REG_CONFIG 0x40 | |
95 | ||
96 | #define LM85_REG_ALARM1 0x41 | |
97 | #define LM85_REG_ALARM2 0x42 | |
98 | ||
99 | #define LM85_REG_VID 0x43 | |
1da177e4 LT |
100 | |
101 | /* Automated FAN control */ | |
09770b26 GR |
102 | #define LM85_REG_AFAN_CONFIG(nr) (0x5c + (nr)) |
103 | #define LM85_REG_AFAN_RANGE(nr) (0x5f + (nr)) | |
104 | #define LM85_REG_AFAN_SPIKE1 0x62 | |
105 | #define LM85_REG_AFAN_MINPWM(nr) (0x64 + (nr)) | |
106 | #define LM85_REG_AFAN_LIMIT(nr) (0x67 + (nr)) | |
107 | #define LM85_REG_AFAN_CRITICAL(nr) (0x6a + (nr)) | |
108 | #define LM85_REG_AFAN_HYST1 0x6d | |
109 | #define LM85_REG_AFAN_HYST2 0x6e | |
110 | ||
111 | #define ADM1027_REG_EXTEND_ADC1 0x76 | |
112 | #define ADM1027_REG_EXTEND_ADC2 0x77 | |
1da177e4 LT |
113 | |
114 | #define EMC6D100_REG_ALARM3 0x7d | |
115 | /* IN5, IN6 and IN7 */ | |
09770b26 GR |
116 | #define EMC6D100_REG_IN(nr) (0x70 + ((nr) - 5)) |
117 | #define EMC6D100_REG_IN_MIN(nr) (0x73 + ((nr) - 5) * 2) | |
118 | #define EMC6D100_REG_IN_MAX(nr) (0x74 + ((nr) - 5) * 2) | |
119 | #define EMC6D102_REG_EXTEND_ADC1 0x85 | |
120 | #define EMC6D102_REG_EXTEND_ADC2 0x86 | |
121 | #define EMC6D102_REG_EXTEND_ADC3 0x87 | |
122 | #define EMC6D102_REG_EXTEND_ADC4 0x88 | |
123 | ||
09770b26 GR |
124 | /* |
125 | * Conversions. Rounding and limit checking is only done on the TO_REG | |
126 | * variants. Note that you should be a bit careful with which arguments | |
127 | * these macros are called: arguments may be evaluated more than once. | |
1da177e4 LT |
128 | */ |
129 | ||
25985edc | 130 | /* IN are scaled according to built-in resistors */ |
e89e22b2 | 131 | static const int lm85_scaling[] = { /* .001 Volts */ |
1f44809a JD |
132 | 2500, 2250, 3300, 5000, 12000, |
133 | 3300, 1500, 1800 /*EMC6D100*/ | |
134 | }; | |
135 | #define SCALE(val, from, to) (((val) * (to) + ((from) / 2)) / (from)) | |
1da177e4 | 136 | |
1f44809a | 137 | #define INS_TO_REG(n, val) \ |
2a844c14 | 138 | clamp_val(SCALE(val, lm85_scaling[n], 192), 0, 255) |
1da177e4 | 139 | |
1f44809a | 140 | #define INSEXT_FROM_REG(n, val, ext) \ |
5a4d3ef3 | 141 | SCALE(((val) << 4) + (ext), 192 << 4, lm85_scaling[n]) |
1da177e4 | 142 | |
1f44809a | 143 | #define INS_FROM_REG(n, val) SCALE((val), 192, lm85_scaling[n]) |
1da177e4 LT |
144 | |
145 | /* FAN speed is measured using 90kHz clock */ | |
63f281a6 JD |
146 | static inline u16 FAN_TO_REG(unsigned long val) |
147 | { | |
148 | if (!val) | |
149 | return 0xffff; | |
2a844c14 | 150 | return clamp_val(5400000 / val, 1, 0xfffe); |
63f281a6 | 151 | } |
1f44809a JD |
152 | #define FAN_FROM_REG(val) ((val) == 0 ? -1 : (val) == 0xffff ? 0 : \ |
153 | 5400000 / (val)) | |
1da177e4 LT |
154 | |
155 | /* Temperature is reported in .001 degC increments */ | |
156 | #define TEMP_TO_REG(val) \ | |
3248c3b7 | 157 | DIV_ROUND_CLOSEST(clamp_val((val), -127000, 127000), 1000) |
1f44809a | 158 | #define TEMPEXT_FROM_REG(val, ext) \ |
5a4d3ef3 JD |
159 | SCALE(((val) << 4) + (ext), 16, 1000) |
160 | #define TEMP_FROM_REG(val) ((val) * 1000) | |
1da177e4 | 161 | |
2a844c14 | 162 | #define PWM_TO_REG(val) clamp_val(val, 0, 255) |
1da177e4 LT |
163 | #define PWM_FROM_REG(val) (val) |
164 | ||
165 | ||
09770b26 GR |
166 | /* |
167 | * ZONEs have the following parameters: | |
1da177e4 LT |
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 */ | |
e89e22b2 | 186 | static const int lm85_range_map[] = { |
1f44809a JD |
187 | 2000, 2500, 3300, 4000, 5000, 6600, 8000, 10000, |
188 | 13300, 16000, 20000, 26600, 32000, 40000, 53300, 80000 | |
189 | }; | |
190 | ||
3248c3b7 | 191 | static int RANGE_TO_REG(long range) |
1da177e4 LT |
192 | { |
193 | int i; | |
194 | ||
d38b1497 | 195 | /* Find the closest match */ |
1b92adad JD |
196 | for (i = 0; i < 15; ++i) { |
197 | if (range <= (lm85_range_map[i] + lm85_range_map[i + 1]) / 2) | |
198 | break; | |
1da177e4 | 199 | } |
d38b1497 | 200 | |
1b92adad | 201 | return i; |
1da177e4 | 202 | } |
1f44809a | 203 | #define RANGE_FROM_REG(val) lm85_range_map[(val) & 0x0f] |
1da177e4 | 204 | |
1da177e4 | 205 | /* These are the PWM frequency encodings */ |
34e7dc6c | 206 | static const int lm85_freq_map[8] = { /* 1 Hz */ |
8a0795d9 JD |
207 | 10, 15, 23, 30, 38, 47, 61, 94 |
208 | }; | |
209 | static const int adm1027_freq_map[8] = { /* 1 Hz */ | |
210 | 11, 15, 22, 29, 35, 44, 59, 88 | |
1f44809a JD |
211 | }; |
212 | ||
3248c3b7 | 213 | static int FREQ_TO_REG(const int *map, unsigned long freq) |
1da177e4 LT |
214 | { |
215 | int i; | |
216 | ||
86010c98 | 217 | /* Find the closest match */ |
1f44809a | 218 | for (i = 0; i < 7; ++i) |
8a0795d9 | 219 | if (freq <= (map[i] + map[i + 1]) / 2) |
1f44809a | 220 | break; |
e89e22b2 | 221 | return i; |
1da177e4 | 222 | } |
8a0795d9 JD |
223 | |
224 | static int FREQ_FROM_REG(const int *map, u8 reg) | |
225 | { | |
226 | return map[reg & 0x07]; | |
227 | } | |
1da177e4 | 228 | |
09770b26 GR |
229 | /* |
230 | * Since we can't use strings, I'm abusing these numbers | |
1da177e4 LT |
231 | * to stand in for the following meanings: |
232 | * 1 -- PWM responds to Zone 1 | |
233 | * 2 -- PWM responds to Zone 2 | |
234 | * 3 -- PWM responds to Zone 3 | |
235 | * 23 -- PWM responds to the higher temp of Zone 2 or 3 | |
236 | * 123 -- PWM responds to highest of Zone 1, 2, or 3 | |
237 | * 0 -- PWM is always at 0% (ie, off) | |
238 | * -1 -- PWM is always at 100% | |
239 | * -2 -- PWM responds to manual control | |
240 | */ | |
241 | ||
e89e22b2 JD |
242 | static const int lm85_zone_map[] = { 1, 2, 3, -1, 0, 23, 123, -2 }; |
243 | #define ZONE_FROM_REG(val) lm85_zone_map[(val) >> 5] | |
1da177e4 | 244 | |
1f44809a | 245 | static int ZONE_TO_REG(int zone) |
1da177e4 LT |
246 | { |
247 | int i; | |
248 | ||
1f44809a JD |
249 | for (i = 0; i <= 7; ++i) |
250 | if (zone == lm85_zone_map[i]) | |
251 | break; | |
252 | if (i > 7) /* Not found. */ | |
1da177e4 | 253 | i = 3; /* Always 100% */ |
e89e22b2 | 254 | return i << 5; |
1da177e4 LT |
255 | } |
256 | ||
2a844c14 | 257 | #define HYST_TO_REG(val) clamp_val(((val) + 500) / 1000, 0, 15) |
1f44809a | 258 | #define HYST_FROM_REG(val) ((val) * 1000) |
1da177e4 | 259 | |
09770b26 GR |
260 | /* |
261 | * Chip sampling rates | |
1da177e4 LT |
262 | * |
263 | * Some sensors are not updated more frequently than once per second | |
264 | * so it doesn't make sense to read them more often than that. | |
265 | * We cache the results and return the saved data if the driver | |
266 | * is called again before a second has elapsed. | |
267 | * | |
268 | * Also, there is significant configuration data for this chip | |
269 | * given the automatic PWM fan control that is possible. There | |
270 | * are about 47 bytes of config data to only 22 bytes of actual | |
271 | * readings. So, we keep the config data up to date in the cache | |
272 | * when it is written and only sample it once every 1 *minute* | |
273 | */ | |
274 | #define LM85_DATA_INTERVAL (HZ + HZ / 2) | |
275 | #define LM85_CONFIG_INTERVAL (1 * 60 * HZ) | |
276 | ||
09770b26 GR |
277 | /* |
278 | * LM85 can automatically adjust fan speeds based on temperature | |
1da177e4 LT |
279 | * This structure encapsulates an entire Zone config. There are |
280 | * three zones (one for each temperature input) on the lm85 | |
281 | */ | |
282 | struct lm85_zone { | |
283 | s8 limit; /* Low temp limit */ | |
284 | u8 hyst; /* Low limit hysteresis. (0-15) */ | |
285 | u8 range; /* Temp range, encoded */ | |
286 | s8 critical; /* "All fans ON" temp limit */ | |
09770b26 GR |
287 | u8 max_desired; /* |
288 | * Actual "max" temperature specified. Preserved | |
1da177e4 LT |
289 | * to prevent "drift" as other autofan control |
290 | * values change. | |
291 | */ | |
292 | }; | |
293 | ||
294 | struct lm85_autofan { | |
295 | u8 config; /* Register value */ | |
1da177e4 LT |
296 | u8 min_pwm; /* Minimum PWM value, encoded */ |
297 | u8 min_off; /* Min PWM or OFF below "limit", flag */ | |
298 | }; | |
299 | ||
09770b26 GR |
300 | /* |
301 | * For each registered chip, we need to keep some data in memory. | |
302 | * The structure is dynamically allocated. | |
303 | */ | |
1da177e4 | 304 | struct lm85_data { |
1beeffe4 | 305 | struct device *hwmon_dev; |
8a0795d9 | 306 | const int *freq_map; |
1da177e4 LT |
307 | enum chips type; |
308 | ||
de248805 GR |
309 | bool has_vid5; /* true if VID5 is configured for ADT7463 or ADT7468 */ |
310 | ||
9a61bf63 | 311 | struct mutex update_lock; |
1da177e4 LT |
312 | int valid; /* !=0 if following fields are valid */ |
313 | unsigned long last_reading; /* In jiffies */ | |
314 | unsigned long last_config; /* In jiffies */ | |
315 | ||
316 | u8 in[8]; /* Register value */ | |
317 | u8 in_max[8]; /* Register value */ | |
318 | u8 in_min[8]; /* Register value */ | |
319 | s8 temp[3]; /* Register value */ | |
320 | s8 temp_min[3]; /* Register value */ | |
321 | s8 temp_max[3]; /* Register value */ | |
1da177e4 LT |
322 | u16 fan[4]; /* Register value */ |
323 | u16 fan_min[4]; /* Register value */ | |
324 | u8 pwm[3]; /* Register value */ | |
34e7dc6c | 325 | u8 pwm_freq[3]; /* Register encoding */ |
1da177e4 LT |
326 | u8 temp_ext[3]; /* Decoded values */ |
327 | u8 in_ext[8]; /* Decoded values */ | |
1da177e4 LT |
328 | u8 vid; /* Register value */ |
329 | u8 vrm; /* VRM version */ | |
1da177e4 | 330 | u32 alarms; /* Register encoding, combined */ |
79b92f2b | 331 | u8 cfg5; /* Config Register 5 on ADT7468 */ |
1da177e4 LT |
332 | struct lm85_autofan autofan[3]; |
333 | struct lm85_zone zone[3]; | |
334 | }; | |
335 | ||
6fd5dd58 AL |
336 | static int lm85_read_value(struct i2c_client *client, u8 reg) |
337 | { | |
338 | int res; | |
1da177e4 | 339 | |
6fd5dd58 AL |
340 | /* What size location is it? */ |
341 | switch (reg) { | |
342 | case LM85_REG_FAN(0): /* Read WORD data */ | |
343 | case LM85_REG_FAN(1): | |
344 | case LM85_REG_FAN(2): | |
345 | case LM85_REG_FAN(3): | |
346 | case LM85_REG_FAN_MIN(0): | |
347 | case LM85_REG_FAN_MIN(1): | |
348 | case LM85_REG_FAN_MIN(2): | |
349 | case LM85_REG_FAN_MIN(3): | |
350 | case LM85_REG_ALARM1: /* Read both bytes at once */ | |
351 | res = i2c_smbus_read_byte_data(client, reg) & 0xff; | |
352 | res |= i2c_smbus_read_byte_data(client, reg + 1) << 8; | |
353 | break; | |
354 | default: /* Read BYTE data */ | |
355 | res = i2c_smbus_read_byte_data(client, reg); | |
356 | break; | |
357 | } | |
1da177e4 | 358 | |
6fd5dd58 AL |
359 | return res; |
360 | } | |
1da177e4 | 361 | |
6fd5dd58 AL |
362 | static void lm85_write_value(struct i2c_client *client, u8 reg, int value) |
363 | { | |
364 | switch (reg) { | |
365 | case LM85_REG_FAN(0): /* Write WORD data */ | |
366 | case LM85_REG_FAN(1): | |
367 | case LM85_REG_FAN(2): | |
368 | case LM85_REG_FAN(3): | |
369 | case LM85_REG_FAN_MIN(0): | |
370 | case LM85_REG_FAN_MIN(1): | |
371 | case LM85_REG_FAN_MIN(2): | |
372 | case LM85_REG_FAN_MIN(3): | |
373 | /* NOTE: ALARM is read only, so not included here */ | |
374 | i2c_smbus_write_byte_data(client, reg, value & 0xff); | |
375 | i2c_smbus_write_byte_data(client, reg + 1, value >> 8); | |
376 | break; | |
377 | default: /* Write BYTE data */ | |
378 | i2c_smbus_write_byte_data(client, reg, value); | |
379 | break; | |
380 | } | |
381 | } | |
67712d01 | 382 | |
6fd5dd58 AL |
383 | static struct lm85_data *lm85_update_device(struct device *dev) |
384 | { | |
385 | struct i2c_client *client = to_i2c_client(dev); | |
386 | struct lm85_data *data = i2c_get_clientdata(client); | |
387 | int i; | |
388 | ||
389 | mutex_lock(&data->update_lock); | |
390 | ||
391 | if (!data->valid || | |
392 | time_after(jiffies, data->last_reading + LM85_DATA_INTERVAL)) { | |
393 | /* Things that change quickly */ | |
394 | dev_dbg(&client->dev, "Reading sensor values\n"); | |
395 | ||
396 | /* | |
397 | * Have to read extended bits first to "freeze" the | |
398 | * more significant bits that are read later. | |
399 | * There are 2 additional resolution bits per channel and we | |
400 | * have room for 4, so we shift them to the left. | |
401 | */ | |
402 | if (data->type == adm1027 || data->type == adt7463 || | |
403 | data->type == adt7468) { | |
404 | int ext1 = lm85_read_value(client, | |
405 | ADM1027_REG_EXTEND_ADC1); | |
406 | int ext2 = lm85_read_value(client, | |
407 | ADM1027_REG_EXTEND_ADC2); | |
408 | int val = (ext1 << 8) + ext2; | |
409 | ||
410 | for (i = 0; i <= 4; i++) | |
411 | data->in_ext[i] = | |
412 | ((val >> (i * 2)) & 0x03) << 2; | |
413 | ||
414 | for (i = 0; i <= 2; i++) | |
415 | data->temp_ext[i] = | |
416 | (val >> ((i + 4) * 2)) & 0x0c; | |
417 | } | |
418 | ||
419 | data->vid = lm85_read_value(client, LM85_REG_VID); | |
420 | ||
421 | for (i = 0; i <= 3; ++i) { | |
422 | data->in[i] = | |
423 | lm85_read_value(client, LM85_REG_IN(i)); | |
424 | data->fan[i] = | |
425 | lm85_read_value(client, LM85_REG_FAN(i)); | |
426 | } | |
427 | ||
428 | if (!data->has_vid5) | |
429 | data->in[4] = lm85_read_value(client, LM85_REG_IN(4)); | |
430 | ||
431 | if (data->type == adt7468) | |
432 | data->cfg5 = lm85_read_value(client, ADT7468_REG_CFG5); | |
433 | ||
434 | for (i = 0; i <= 2; ++i) { | |
435 | data->temp[i] = | |
436 | lm85_read_value(client, LM85_REG_TEMP(i)); | |
437 | data->pwm[i] = | |
438 | lm85_read_value(client, LM85_REG_PWM(i)); | |
1da177e4 | 439 | |
6fd5dd58 AL |
440 | if (IS_ADT7468_OFF64(data)) |
441 | data->temp[i] -= 64; | |
442 | } | |
443 | ||
444 | data->alarms = lm85_read_value(client, LM85_REG_ALARM1); | |
445 | ||
446 | if (data->type == emc6d100) { | |
447 | /* Three more voltage sensors */ | |
448 | for (i = 5; i <= 7; ++i) { | |
449 | data->in[i] = lm85_read_value(client, | |
450 | EMC6D100_REG_IN(i)); | |
451 | } | |
452 | /* More alarm bits */ | |
453 | data->alarms |= lm85_read_value(client, | |
454 | EMC6D100_REG_ALARM3) << 16; | |
455 | } else if (data->type == emc6d102 || data->type == emc6d103 || | |
456 | data->type == emc6d103s) { | |
457 | /* | |
458 | * Have to read LSB bits after the MSB ones because | |
459 | * the reading of the MSB bits has frozen the | |
460 | * LSBs (backward from the ADM1027). | |
461 | */ | |
462 | int ext1 = lm85_read_value(client, | |
463 | EMC6D102_REG_EXTEND_ADC1); | |
464 | int ext2 = lm85_read_value(client, | |
465 | EMC6D102_REG_EXTEND_ADC2); | |
466 | int ext3 = lm85_read_value(client, | |
467 | EMC6D102_REG_EXTEND_ADC3); | |
468 | int ext4 = lm85_read_value(client, | |
469 | EMC6D102_REG_EXTEND_ADC4); | |
470 | data->in_ext[0] = ext3 & 0x0f; | |
471 | data->in_ext[1] = ext4 & 0x0f; | |
472 | data->in_ext[2] = ext4 >> 4; | |
473 | data->in_ext[3] = ext3 >> 4; | |
474 | data->in_ext[4] = ext2 >> 4; | |
475 | ||
476 | data->temp_ext[0] = ext1 & 0x0f; | |
477 | data->temp_ext[1] = ext2 & 0x0f; | |
478 | data->temp_ext[2] = ext1 >> 4; | |
479 | } | |
480 | ||
481 | data->last_reading = jiffies; | |
482 | } /* last_reading */ | |
483 | ||
484 | if (!data->valid || | |
485 | time_after(jiffies, data->last_config + LM85_CONFIG_INTERVAL)) { | |
486 | /* Things that don't change often */ | |
487 | dev_dbg(&client->dev, "Reading config values\n"); | |
488 | ||
489 | for (i = 0; i <= 3; ++i) { | |
490 | data->in_min[i] = | |
491 | lm85_read_value(client, LM85_REG_IN_MIN(i)); | |
492 | data->in_max[i] = | |
493 | lm85_read_value(client, LM85_REG_IN_MAX(i)); | |
494 | data->fan_min[i] = | |
495 | lm85_read_value(client, LM85_REG_FAN_MIN(i)); | |
496 | } | |
497 | ||
498 | if (!data->has_vid5) { | |
499 | data->in_min[4] = lm85_read_value(client, | |
500 | LM85_REG_IN_MIN(4)); | |
501 | data->in_max[4] = lm85_read_value(client, | |
502 | LM85_REG_IN_MAX(4)); | |
503 | } | |
504 | ||
505 | if (data->type == emc6d100) { | |
506 | for (i = 5; i <= 7; ++i) { | |
507 | data->in_min[i] = lm85_read_value(client, | |
508 | EMC6D100_REG_IN_MIN(i)); | |
509 | data->in_max[i] = lm85_read_value(client, | |
510 | EMC6D100_REG_IN_MAX(i)); | |
511 | } | |
512 | } | |
513 | ||
514 | for (i = 0; i <= 2; ++i) { | |
515 | int val; | |
516 | ||
517 | data->temp_min[i] = | |
518 | lm85_read_value(client, LM85_REG_TEMP_MIN(i)); | |
519 | data->temp_max[i] = | |
520 | lm85_read_value(client, LM85_REG_TEMP_MAX(i)); | |
521 | ||
522 | data->autofan[i].config = | |
523 | lm85_read_value(client, LM85_REG_AFAN_CONFIG(i)); | |
524 | val = lm85_read_value(client, LM85_REG_AFAN_RANGE(i)); | |
525 | data->pwm_freq[i] = val & 0x07; | |
526 | data->zone[i].range = val >> 4; | |
527 | data->autofan[i].min_pwm = | |
528 | lm85_read_value(client, LM85_REG_AFAN_MINPWM(i)); | |
529 | data->zone[i].limit = | |
530 | lm85_read_value(client, LM85_REG_AFAN_LIMIT(i)); | |
531 | data->zone[i].critical = | |
532 | lm85_read_value(client, LM85_REG_AFAN_CRITICAL(i)); | |
533 | ||
534 | if (IS_ADT7468_OFF64(data)) { | |
535 | data->temp_min[i] -= 64; | |
536 | data->temp_max[i] -= 64; | |
537 | data->zone[i].limit -= 64; | |
538 | data->zone[i].critical -= 64; | |
539 | } | |
540 | } | |
541 | ||
542 | if (data->type != emc6d103s) { | |
543 | i = lm85_read_value(client, LM85_REG_AFAN_SPIKE1); | |
544 | data->autofan[0].min_off = (i & 0x20) != 0; | |
545 | data->autofan[1].min_off = (i & 0x40) != 0; | |
546 | data->autofan[2].min_off = (i & 0x80) != 0; | |
547 | ||
548 | i = lm85_read_value(client, LM85_REG_AFAN_HYST1); | |
549 | data->zone[0].hyst = i >> 4; | |
550 | data->zone[1].hyst = i & 0x0f; | |
551 | ||
552 | i = lm85_read_value(client, LM85_REG_AFAN_HYST2); | |
553 | data->zone[2].hyst = i >> 4; | |
554 | } | |
555 | ||
556 | data->last_config = jiffies; | |
557 | } /* last_config */ | |
558 | ||
559 | data->valid = 1; | |
560 | ||
561 | mutex_unlock(&data->update_lock); | |
562 | ||
563 | return data; | |
564 | } | |
1da177e4 LT |
565 | |
566 | /* 4 Fans */ | |
b353a487 JD |
567 | static ssize_t show_fan(struct device *dev, struct device_attribute *attr, |
568 | char *buf) | |
1da177e4 | 569 | { |
b353a487 | 570 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 571 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a | 572 | return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr])); |
1da177e4 | 573 | } |
b353a487 JD |
574 | |
575 | static ssize_t show_fan_min(struct device *dev, struct device_attribute *attr, | |
576 | char *buf) | |
1da177e4 | 577 | { |
b353a487 | 578 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 579 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a | 580 | return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr])); |
1da177e4 | 581 | } |
b353a487 JD |
582 | |
583 | static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr, | |
584 | const char *buf, size_t count) | |
1da177e4 | 585 | { |
b353a487 | 586 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
587 | struct i2c_client *client = to_i2c_client(dev); |
588 | struct lm85_data *data = i2c_get_clientdata(client); | |
09770b26 GR |
589 | unsigned long val; |
590 | int err; | |
591 | ||
592 | err = kstrtoul(buf, 10, &val); | |
593 | if (err) | |
594 | return err; | |
1da177e4 | 595 | |
9a61bf63 | 596 | mutex_lock(&data->update_lock); |
1da177e4 LT |
597 | data->fan_min[nr] = FAN_TO_REG(val); |
598 | lm85_write_value(client, LM85_REG_FAN_MIN(nr), data->fan_min[nr]); | |
9a61bf63 | 599 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
600 | return count; |
601 | } | |
602 | ||
603 | #define show_fan_offset(offset) \ | |
b353a487 JD |
604 | static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO, \ |
605 | show_fan, NULL, offset - 1); \ | |
606 | static SENSOR_DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \ | |
607 | show_fan_min, set_fan_min, offset - 1) | |
1da177e4 LT |
608 | |
609 | show_fan_offset(1); | |
610 | show_fan_offset(2); | |
611 | show_fan_offset(3); | |
612 | show_fan_offset(4); | |
613 | ||
614 | /* vid, vrm, alarms */ | |
615 | ||
1f44809a JD |
616 | static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr, |
617 | char *buf) | |
1da177e4 LT |
618 | { |
619 | struct lm85_data *data = lm85_update_device(dev); | |
9c516ef4 JD |
620 | int vid; |
621 | ||
de248805 | 622 | if (data->has_vid5) { |
9c516ef4 JD |
623 | /* 6-pin VID (VRM 10) */ |
624 | vid = vid_from_reg(data->vid & 0x3f, data->vrm); | |
625 | } else { | |
626 | /* 5-pin VID (VRM 9) */ | |
627 | vid = vid_from_reg(data->vid & 0x1f, data->vrm); | |
628 | } | |
629 | ||
630 | return sprintf(buf, "%d\n", vid); | |
1da177e4 LT |
631 | } |
632 | ||
633 | static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL); | |
634 | ||
1f44809a JD |
635 | static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr, |
636 | char *buf) | |
1da177e4 | 637 | { |
90d6619a | 638 | struct lm85_data *data = dev_get_drvdata(dev); |
1da177e4 LT |
639 | return sprintf(buf, "%ld\n", (long) data->vrm); |
640 | } | |
641 | ||
1f44809a JD |
642 | static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr, |
643 | const char *buf, size_t count) | |
1da177e4 | 644 | { |
8f74efe8 | 645 | struct lm85_data *data = dev_get_drvdata(dev); |
09770b26 GR |
646 | unsigned long val; |
647 | int err; | |
648 | ||
649 | err = kstrtoul(buf, 10, &val); | |
650 | if (err) | |
651 | return err; | |
652 | ||
3248c3b7 GR |
653 | if (val > 255) |
654 | return -EINVAL; | |
655 | ||
09770b26 | 656 | data->vrm = val; |
1da177e4 LT |
657 | return count; |
658 | } | |
659 | ||
660 | static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); | |
661 | ||
1f44809a JD |
662 | static ssize_t show_alarms_reg(struct device *dev, struct device_attribute |
663 | *attr, char *buf) | |
1da177e4 LT |
664 | { |
665 | struct lm85_data *data = lm85_update_device(dev); | |
68188ba7 | 666 | return sprintf(buf, "%u\n", data->alarms); |
1da177e4 LT |
667 | } |
668 | ||
669 | static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); | |
670 | ||
bf76e9d3 JD |
671 | static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, |
672 | char *buf) | |
673 | { | |
674 | int nr = to_sensor_dev_attr(attr)->index; | |
675 | struct lm85_data *data = lm85_update_device(dev); | |
676 | return sprintf(buf, "%u\n", (data->alarms >> nr) & 1); | |
677 | } | |
678 | ||
679 | static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0); | |
680 | static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1); | |
681 | static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2); | |
682 | static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3); | |
683 | static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 8); | |
684 | static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 18); | |
685 | static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 16); | |
686 | static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 17); | |
687 | static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 4); | |
688 | static SENSOR_DEVICE_ATTR(temp1_fault, S_IRUGO, show_alarm, NULL, 14); | |
689 | static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5); | |
690 | static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 6); | |
691 | static SENSOR_DEVICE_ATTR(temp3_fault, S_IRUGO, show_alarm, NULL, 15); | |
692 | static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 10); | |
693 | static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 11); | |
694 | static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 12); | |
695 | static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, 13); | |
696 | ||
1da177e4 LT |
697 | /* pwm */ |
698 | ||
b353a487 JD |
699 | static ssize_t show_pwm(struct device *dev, struct device_attribute *attr, |
700 | char *buf) | |
1da177e4 | 701 | { |
b353a487 | 702 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 703 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a | 704 | return sprintf(buf, "%d\n", PWM_FROM_REG(data->pwm[nr])); |
1da177e4 | 705 | } |
b353a487 JD |
706 | |
707 | static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, | |
708 | const char *buf, size_t count) | |
1da177e4 | 709 | { |
b353a487 | 710 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
711 | struct i2c_client *client = to_i2c_client(dev); |
712 | struct lm85_data *data = i2c_get_clientdata(client); | |
09770b26 GR |
713 | unsigned long val; |
714 | int err; | |
715 | ||
716 | err = kstrtoul(buf, 10, &val); | |
717 | if (err) | |
718 | return err; | |
1da177e4 | 719 | |
9a61bf63 | 720 | mutex_lock(&data->update_lock); |
1da177e4 LT |
721 | data->pwm[nr] = PWM_TO_REG(val); |
722 | lm85_write_value(client, LM85_REG_PWM(nr), data->pwm[nr]); | |
9a61bf63 | 723 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
724 | return count; |
725 | } | |
b353a487 JD |
726 | |
727 | static ssize_t show_pwm_enable(struct device *dev, struct device_attribute | |
728 | *attr, char *buf) | |
1da177e4 | 729 | { |
b353a487 | 730 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 731 | struct lm85_data *data = lm85_update_device(dev); |
4b4df95d | 732 | int pwm_zone, enable; |
1da177e4 LT |
733 | |
734 | pwm_zone = ZONE_FROM_REG(data->autofan[nr].config); | |
4b4df95d JD |
735 | switch (pwm_zone) { |
736 | case -1: /* PWM is always at 100% */ | |
737 | enable = 0; | |
738 | break; | |
739 | case 0: /* PWM is always at 0% */ | |
740 | case -2: /* PWM responds to manual control */ | |
741 | enable = 1; | |
742 | break; | |
743 | default: /* PWM in automatic mode */ | |
744 | enable = 2; | |
745 | } | |
746 | return sprintf(buf, "%d\n", enable); | |
1da177e4 LT |
747 | } |
748 | ||
455f791e JD |
749 | static ssize_t set_pwm_enable(struct device *dev, struct device_attribute |
750 | *attr, const char *buf, size_t count) | |
751 | { | |
752 | int nr = to_sensor_dev_attr(attr)->index; | |
753 | struct i2c_client *client = to_i2c_client(dev); | |
754 | struct lm85_data *data = i2c_get_clientdata(client); | |
455f791e | 755 | u8 config; |
09770b26 GR |
756 | unsigned long val; |
757 | int err; | |
758 | ||
759 | err = kstrtoul(buf, 10, &val); | |
760 | if (err) | |
761 | return err; | |
455f791e JD |
762 | |
763 | switch (val) { | |
764 | case 0: | |
765 | config = 3; | |
766 | break; | |
767 | case 1: | |
768 | config = 7; | |
769 | break; | |
770 | case 2: | |
09770b26 GR |
771 | /* |
772 | * Here we have to choose arbitrarily one of the 5 possible | |
773 | * configurations; I go for the safest | |
774 | */ | |
455f791e JD |
775 | config = 6; |
776 | break; | |
777 | default: | |
778 | return -EINVAL; | |
779 | } | |
780 | ||
781 | mutex_lock(&data->update_lock); | |
782 | data->autofan[nr].config = lm85_read_value(client, | |
783 | LM85_REG_AFAN_CONFIG(nr)); | |
784 | data->autofan[nr].config = (data->autofan[nr].config & ~0xe0) | |
785 | | (config << 5); | |
786 | lm85_write_value(client, LM85_REG_AFAN_CONFIG(nr), | |
787 | data->autofan[nr].config); | |
788 | mutex_unlock(&data->update_lock); | |
789 | return count; | |
790 | } | |
791 | ||
34e7dc6c JD |
792 | static ssize_t show_pwm_freq(struct device *dev, |
793 | struct device_attribute *attr, char *buf) | |
794 | { | |
795 | int nr = to_sensor_dev_attr(attr)->index; | |
796 | struct lm85_data *data = lm85_update_device(dev); | |
f6c61cff JD |
797 | int freq; |
798 | ||
799 | if (IS_ADT7468_HFPWM(data)) | |
800 | freq = 22500; | |
801 | else | |
802 | freq = FREQ_FROM_REG(data->freq_map, data->pwm_freq[nr]); | |
803 | ||
804 | return sprintf(buf, "%d\n", freq); | |
34e7dc6c JD |
805 | } |
806 | ||
807 | static ssize_t set_pwm_freq(struct device *dev, | |
808 | struct device_attribute *attr, const char *buf, size_t count) | |
809 | { | |
810 | int nr = to_sensor_dev_attr(attr)->index; | |
811 | struct i2c_client *client = to_i2c_client(dev); | |
812 | struct lm85_data *data = i2c_get_clientdata(client); | |
09770b26 GR |
813 | unsigned long val; |
814 | int err; | |
815 | ||
816 | err = kstrtoul(buf, 10, &val); | |
817 | if (err) | |
818 | return err; | |
34e7dc6c JD |
819 | |
820 | mutex_lock(&data->update_lock); | |
09770b26 GR |
821 | /* |
822 | * The ADT7468 has a special high-frequency PWM output mode, | |
f6c61cff | 823 | * where all PWM outputs are driven by a 22.5 kHz clock. |
09770b26 GR |
824 | * This might confuse the user, but there's not much we can do. |
825 | */ | |
f6c61cff JD |
826 | if (data->type == adt7468 && val >= 11300) { /* High freq. mode */ |
827 | data->cfg5 &= ~ADT7468_HFPWM; | |
828 | lm85_write_value(client, ADT7468_REG_CFG5, data->cfg5); | |
829 | } else { /* Low freq. mode */ | |
830 | data->pwm_freq[nr] = FREQ_TO_REG(data->freq_map, val); | |
831 | lm85_write_value(client, LM85_REG_AFAN_RANGE(nr), | |
832 | (data->zone[nr].range << 4) | |
833 | | data->pwm_freq[nr]); | |
834 | if (data->type == adt7468) { | |
835 | data->cfg5 |= ADT7468_HFPWM; | |
836 | lm85_write_value(client, ADT7468_REG_CFG5, data->cfg5); | |
837 | } | |
838 | } | |
34e7dc6c JD |
839 | mutex_unlock(&data->update_lock); |
840 | return count; | |
841 | } | |
842 | ||
1da177e4 | 843 | #define show_pwm_reg(offset) \ |
b353a487 JD |
844 | static SENSOR_DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \ |
845 | show_pwm, set_pwm, offset - 1); \ | |
455f791e | 846 | static SENSOR_DEVICE_ATTR(pwm##offset##_enable, S_IRUGO | S_IWUSR, \ |
34e7dc6c JD |
847 | show_pwm_enable, set_pwm_enable, offset - 1); \ |
848 | static SENSOR_DEVICE_ATTR(pwm##offset##_freq, S_IRUGO | S_IWUSR, \ | |
849 | show_pwm_freq, set_pwm_freq, offset - 1) | |
1da177e4 LT |
850 | |
851 | show_pwm_reg(1); | |
852 | show_pwm_reg(2); | |
853 | show_pwm_reg(3); | |
854 | ||
855 | /* Voltages */ | |
856 | ||
b353a487 JD |
857 | static ssize_t show_in(struct device *dev, struct device_attribute *attr, |
858 | char *buf) | |
1da177e4 | 859 | { |
b353a487 | 860 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 861 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a JD |
862 | return sprintf(buf, "%d\n", INSEXT_FROM_REG(nr, data->in[nr], |
863 | data->in_ext[nr])); | |
1da177e4 | 864 | } |
b353a487 | 865 | |
1f44809a | 866 | static ssize_t show_in_min(struct device *dev, struct device_attribute *attr, |
b353a487 | 867 | char *buf) |
1da177e4 | 868 | { |
b353a487 | 869 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 870 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a | 871 | return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in_min[nr])); |
1da177e4 | 872 | } |
b353a487 JD |
873 | |
874 | static ssize_t set_in_min(struct device *dev, struct device_attribute *attr, | |
875 | const char *buf, size_t count) | |
1da177e4 | 876 | { |
b353a487 | 877 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
878 | struct i2c_client *client = to_i2c_client(dev); |
879 | struct lm85_data *data = i2c_get_clientdata(client); | |
09770b26 GR |
880 | long val; |
881 | int err; | |
882 | ||
883 | err = kstrtol(buf, 10, &val); | |
884 | if (err) | |
885 | return err; | |
1da177e4 | 886 | |
9a61bf63 | 887 | mutex_lock(&data->update_lock); |
1da177e4 LT |
888 | data->in_min[nr] = INS_TO_REG(nr, val); |
889 | lm85_write_value(client, LM85_REG_IN_MIN(nr), data->in_min[nr]); | |
9a61bf63 | 890 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
891 | return count; |
892 | } | |
b353a487 JD |
893 | |
894 | static ssize_t show_in_max(struct device *dev, struct device_attribute *attr, | |
895 | char *buf) | |
1da177e4 | 896 | { |
b353a487 | 897 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 898 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a | 899 | return sprintf(buf, "%d\n", INS_FROM_REG(nr, data->in_max[nr])); |
1da177e4 | 900 | } |
b353a487 JD |
901 | |
902 | static ssize_t set_in_max(struct device *dev, struct device_attribute *attr, | |
903 | const char *buf, size_t count) | |
1da177e4 | 904 | { |
b353a487 | 905 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
906 | struct i2c_client *client = to_i2c_client(dev); |
907 | struct lm85_data *data = i2c_get_clientdata(client); | |
09770b26 GR |
908 | long val; |
909 | int err; | |
910 | ||
911 | err = kstrtol(buf, 10, &val); | |
912 | if (err) | |
913 | return err; | |
1da177e4 | 914 | |
9a61bf63 | 915 | mutex_lock(&data->update_lock); |
1da177e4 LT |
916 | data->in_max[nr] = INS_TO_REG(nr, val); |
917 | lm85_write_value(client, LM85_REG_IN_MAX(nr), data->in_max[nr]); | |
9a61bf63 | 918 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
919 | return count; |
920 | } | |
b353a487 | 921 | |
1da177e4 | 922 | #define show_in_reg(offset) \ |
b353a487 JD |
923 | static SENSOR_DEVICE_ATTR(in##offset##_input, S_IRUGO, \ |
924 | show_in, NULL, offset); \ | |
925 | static SENSOR_DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \ | |
926 | show_in_min, set_in_min, offset); \ | |
927 | static SENSOR_DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \ | |
928 | show_in_max, set_in_max, offset) | |
1da177e4 LT |
929 | |
930 | show_in_reg(0); | |
931 | show_in_reg(1); | |
932 | show_in_reg(2); | |
933 | show_in_reg(3); | |
934 | show_in_reg(4); | |
6b9aad2d JD |
935 | show_in_reg(5); |
936 | show_in_reg(6); | |
937 | show_in_reg(7); | |
1da177e4 LT |
938 | |
939 | /* Temps */ | |
940 | ||
b353a487 JD |
941 | static ssize_t show_temp(struct device *dev, struct device_attribute *attr, |
942 | char *buf) | |
1da177e4 | 943 | { |
b353a487 | 944 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 945 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a JD |
946 | return sprintf(buf, "%d\n", TEMPEXT_FROM_REG(data->temp[nr], |
947 | data->temp_ext[nr])); | |
1da177e4 | 948 | } |
b353a487 JD |
949 | |
950 | static ssize_t show_temp_min(struct device *dev, struct device_attribute *attr, | |
951 | char *buf) | |
1da177e4 | 952 | { |
b353a487 | 953 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 954 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a | 955 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[nr])); |
1da177e4 | 956 | } |
b353a487 JD |
957 | |
958 | static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr, | |
959 | const char *buf, size_t count) | |
1da177e4 | 960 | { |
b353a487 | 961 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
962 | struct i2c_client *client = to_i2c_client(dev); |
963 | struct lm85_data *data = i2c_get_clientdata(client); | |
09770b26 GR |
964 | long val; |
965 | int err; | |
966 | ||
967 | err = kstrtol(buf, 10, &val); | |
968 | if (err) | |
969 | return err; | |
1da177e4 | 970 | |
79b92f2b DW |
971 | if (IS_ADT7468_OFF64(data)) |
972 | val += 64; | |
973 | ||
9a61bf63 | 974 | mutex_lock(&data->update_lock); |
1da177e4 LT |
975 | data->temp_min[nr] = TEMP_TO_REG(val); |
976 | lm85_write_value(client, LM85_REG_TEMP_MIN(nr), data->temp_min[nr]); | |
9a61bf63 | 977 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
978 | return count; |
979 | } | |
b353a487 JD |
980 | |
981 | static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr, | |
982 | char *buf) | |
1da177e4 | 983 | { |
b353a487 | 984 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 985 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a | 986 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[nr])); |
1da177e4 | 987 | } |
b353a487 JD |
988 | |
989 | static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, | |
990 | const char *buf, size_t count) | |
1da177e4 | 991 | { |
b353a487 | 992 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
993 | struct i2c_client *client = to_i2c_client(dev); |
994 | struct lm85_data *data = i2c_get_clientdata(client); | |
09770b26 GR |
995 | long val; |
996 | int err; | |
997 | ||
998 | err = kstrtol(buf, 10, &val); | |
999 | if (err) | |
1000 | return err; | |
1da177e4 | 1001 | |
79b92f2b DW |
1002 | if (IS_ADT7468_OFF64(data)) |
1003 | val += 64; | |
1004 | ||
9a61bf63 | 1005 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1006 | data->temp_max[nr] = TEMP_TO_REG(val); |
1007 | lm85_write_value(client, LM85_REG_TEMP_MAX(nr), data->temp_max[nr]); | |
9a61bf63 | 1008 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1009 | return count; |
1010 | } | |
b353a487 | 1011 | |
1da177e4 | 1012 | #define show_temp_reg(offset) \ |
b353a487 JD |
1013 | static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, \ |
1014 | show_temp, NULL, offset - 1); \ | |
1015 | static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \ | |
1016 | show_temp_min, set_temp_min, offset - 1); \ | |
1017 | static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \ | |
1018 | show_temp_max, set_temp_max, offset - 1); | |
1da177e4 LT |
1019 | |
1020 | show_temp_reg(1); | |
1021 | show_temp_reg(2); | |
1022 | show_temp_reg(3); | |
1023 | ||
1024 | ||
1025 | /* Automatic PWM control */ | |
1026 | ||
b353a487 JD |
1027 | static ssize_t show_pwm_auto_channels(struct device *dev, |
1028 | struct device_attribute *attr, char *buf) | |
1da177e4 | 1029 | { |
b353a487 | 1030 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 1031 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a | 1032 | return sprintf(buf, "%d\n", ZONE_FROM_REG(data->autofan[nr].config)); |
1da177e4 | 1033 | } |
b353a487 JD |
1034 | |
1035 | static ssize_t set_pwm_auto_channels(struct device *dev, | |
1036 | struct device_attribute *attr, const char *buf, size_t count) | |
1da177e4 | 1037 | { |
b353a487 | 1038 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
1039 | struct i2c_client *client = to_i2c_client(dev); |
1040 | struct lm85_data *data = i2c_get_clientdata(client); | |
09770b26 GR |
1041 | long val; |
1042 | int err; | |
1043 | ||
1044 | err = kstrtol(buf, 10, &val); | |
1045 | if (err) | |
1046 | return err; | |
1da177e4 | 1047 | |
9a61bf63 | 1048 | mutex_lock(&data->update_lock); |
1da177e4 | 1049 | data->autofan[nr].config = (data->autofan[nr].config & (~0xe0)) |
1f44809a | 1050 | | ZONE_TO_REG(val); |
1da177e4 LT |
1051 | lm85_write_value(client, LM85_REG_AFAN_CONFIG(nr), |
1052 | data->autofan[nr].config); | |
9a61bf63 | 1053 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1054 | return count; |
1055 | } | |
b353a487 JD |
1056 | |
1057 | static ssize_t show_pwm_auto_pwm_min(struct device *dev, | |
1058 | struct device_attribute *attr, char *buf) | |
1da177e4 | 1059 | { |
b353a487 | 1060 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 1061 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a | 1062 | return sprintf(buf, "%d\n", PWM_FROM_REG(data->autofan[nr].min_pwm)); |
1da177e4 | 1063 | } |
b353a487 JD |
1064 | |
1065 | static ssize_t set_pwm_auto_pwm_min(struct device *dev, | |
1066 | struct device_attribute *attr, const char *buf, size_t count) | |
1da177e4 | 1067 | { |
b353a487 | 1068 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
1069 | struct i2c_client *client = to_i2c_client(dev); |
1070 | struct lm85_data *data = i2c_get_clientdata(client); | |
09770b26 GR |
1071 | unsigned long val; |
1072 | int err; | |
1073 | ||
1074 | err = kstrtoul(buf, 10, &val); | |
1075 | if (err) | |
1076 | return err; | |
1da177e4 | 1077 | |
9a61bf63 | 1078 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1079 | data->autofan[nr].min_pwm = PWM_TO_REG(val); |
1080 | lm85_write_value(client, LM85_REG_AFAN_MINPWM(nr), | |
1081 | data->autofan[nr].min_pwm); | |
9a61bf63 | 1082 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1083 | return count; |
1084 | } | |
b353a487 JD |
1085 | |
1086 | static ssize_t show_pwm_auto_pwm_minctl(struct device *dev, | |
1087 | struct device_attribute *attr, char *buf) | |
1da177e4 | 1088 | { |
b353a487 | 1089 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 1090 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a | 1091 | return sprintf(buf, "%d\n", data->autofan[nr].min_off); |
1da177e4 | 1092 | } |
b353a487 JD |
1093 | |
1094 | static ssize_t set_pwm_auto_pwm_minctl(struct device *dev, | |
1095 | struct device_attribute *attr, const char *buf, size_t count) | |
1da177e4 | 1096 | { |
b353a487 | 1097 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
1098 | struct i2c_client *client = to_i2c_client(dev); |
1099 | struct lm85_data *data = i2c_get_clientdata(client); | |
7133e56f | 1100 | u8 tmp; |
09770b26 GR |
1101 | long val; |
1102 | int err; | |
1103 | ||
1104 | err = kstrtol(buf, 10, &val); | |
1105 | if (err) | |
1106 | return err; | |
1da177e4 | 1107 | |
9a61bf63 | 1108 | mutex_lock(&data->update_lock); |
1da177e4 | 1109 | data->autofan[nr].min_off = val; |
7133e56f JD |
1110 | tmp = lm85_read_value(client, LM85_REG_AFAN_SPIKE1); |
1111 | tmp &= ~(0x20 << nr); | |
1112 | if (data->autofan[nr].min_off) | |
1113 | tmp |= 0x20 << nr; | |
1114 | lm85_write_value(client, LM85_REG_AFAN_SPIKE1, tmp); | |
9a61bf63 | 1115 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1116 | return count; |
1117 | } | |
b353a487 | 1118 | |
1da177e4 | 1119 | #define pwm_auto(offset) \ |
b353a487 JD |
1120 | static SENSOR_DEVICE_ATTR(pwm##offset##_auto_channels, \ |
1121 | S_IRUGO | S_IWUSR, show_pwm_auto_channels, \ | |
1122 | set_pwm_auto_channels, offset - 1); \ | |
1123 | static SENSOR_DEVICE_ATTR(pwm##offset##_auto_pwm_min, \ | |
1124 | S_IRUGO | S_IWUSR, show_pwm_auto_pwm_min, \ | |
1125 | set_pwm_auto_pwm_min, offset - 1); \ | |
1126 | static SENSOR_DEVICE_ATTR(pwm##offset##_auto_pwm_minctl, \ | |
1127 | S_IRUGO | S_IWUSR, show_pwm_auto_pwm_minctl, \ | |
34e7dc6c | 1128 | set_pwm_auto_pwm_minctl, offset - 1) |
b353a487 | 1129 | |
1da177e4 LT |
1130 | pwm_auto(1); |
1131 | pwm_auto(2); | |
1132 | pwm_auto(3); | |
1133 | ||
1134 | /* Temperature settings for automatic PWM control */ | |
1135 | ||
b353a487 JD |
1136 | static ssize_t show_temp_auto_temp_off(struct device *dev, |
1137 | struct device_attribute *attr, char *buf) | |
1da177e4 | 1138 | { |
b353a487 | 1139 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 1140 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a | 1141 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->zone[nr].limit) - |
1da177e4 LT |
1142 | HYST_FROM_REG(data->zone[nr].hyst)); |
1143 | } | |
b353a487 JD |
1144 | |
1145 | static ssize_t set_temp_auto_temp_off(struct device *dev, | |
1146 | struct device_attribute *attr, const char *buf, size_t count) | |
1da177e4 | 1147 | { |
b353a487 | 1148 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
1149 | struct i2c_client *client = to_i2c_client(dev); |
1150 | struct lm85_data *data = i2c_get_clientdata(client); | |
1151 | int min; | |
09770b26 GR |
1152 | long val; |
1153 | int err; | |
1154 | ||
1155 | err = kstrtol(buf, 10, &val); | |
1156 | if (err) | |
1157 | return err; | |
1da177e4 | 1158 | |
9a61bf63 | 1159 | mutex_lock(&data->update_lock); |
1da177e4 | 1160 | min = TEMP_FROM_REG(data->zone[nr].limit); |
1da177e4 | 1161 | data->zone[nr].hyst = HYST_TO_REG(min - val); |
1f44809a | 1162 | if (nr == 0 || nr == 1) { |
1da177e4 LT |
1163 | lm85_write_value(client, LM85_REG_AFAN_HYST1, |
1164 | (data->zone[0].hyst << 4) | |
1f44809a | 1165 | | data->zone[1].hyst); |
1da177e4 LT |
1166 | } else { |
1167 | lm85_write_value(client, LM85_REG_AFAN_HYST2, | |
1f44809a | 1168 | (data->zone[2].hyst << 4)); |
1da177e4 | 1169 | } |
9a61bf63 | 1170 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1171 | return count; |
1172 | } | |
b353a487 JD |
1173 | |
1174 | static ssize_t show_temp_auto_temp_min(struct device *dev, | |
1175 | struct device_attribute *attr, char *buf) | |
1da177e4 | 1176 | { |
b353a487 | 1177 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 1178 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a | 1179 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->zone[nr].limit)); |
1da177e4 | 1180 | } |
b353a487 JD |
1181 | |
1182 | static ssize_t set_temp_auto_temp_min(struct device *dev, | |
1183 | struct device_attribute *attr, const char *buf, size_t count) | |
1da177e4 | 1184 | { |
b353a487 | 1185 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
1186 | struct i2c_client *client = to_i2c_client(dev); |
1187 | struct lm85_data *data = i2c_get_clientdata(client); | |
09770b26 GR |
1188 | long val; |
1189 | int err; | |
1190 | ||
1191 | err = kstrtol(buf, 10, &val); | |
1192 | if (err) | |
1193 | return err; | |
1da177e4 | 1194 | |
9a61bf63 | 1195 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1196 | data->zone[nr].limit = TEMP_TO_REG(val); |
1197 | lm85_write_value(client, LM85_REG_AFAN_LIMIT(nr), | |
1198 | data->zone[nr].limit); | |
1199 | ||
1200 | /* Update temp_auto_max and temp_auto_range */ | |
1201 | data->zone[nr].range = RANGE_TO_REG( | |
1202 | TEMP_FROM_REG(data->zone[nr].max_desired) - | |
1203 | TEMP_FROM_REG(data->zone[nr].limit)); | |
1204 | lm85_write_value(client, LM85_REG_AFAN_RANGE(nr), | |
1205 | ((data->zone[nr].range & 0x0f) << 4) | |
34e7dc6c | 1206 | | (data->pwm_freq[nr] & 0x07)); |
1da177e4 | 1207 | |
9a61bf63 | 1208 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1209 | return count; |
1210 | } | |
b353a487 JD |
1211 | |
1212 | static ssize_t show_temp_auto_temp_max(struct device *dev, | |
1213 | struct device_attribute *attr, char *buf) | |
1da177e4 | 1214 | { |
b353a487 | 1215 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 1216 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a | 1217 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->zone[nr].limit) + |
1da177e4 LT |
1218 | RANGE_FROM_REG(data->zone[nr].range)); |
1219 | } | |
b353a487 JD |
1220 | |
1221 | static ssize_t set_temp_auto_temp_max(struct device *dev, | |
1222 | struct device_attribute *attr, const char *buf, size_t count) | |
1da177e4 | 1223 | { |
b353a487 | 1224 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
1225 | struct i2c_client *client = to_i2c_client(dev); |
1226 | struct lm85_data *data = i2c_get_clientdata(client); | |
1227 | int min; | |
09770b26 GR |
1228 | long val; |
1229 | int err; | |
1230 | ||
1231 | err = kstrtol(buf, 10, &val); | |
1232 | if (err) | |
1233 | return err; | |
1da177e4 | 1234 | |
9a61bf63 | 1235 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1236 | min = TEMP_FROM_REG(data->zone[nr].limit); |
1237 | data->zone[nr].max_desired = TEMP_TO_REG(val); | |
1238 | data->zone[nr].range = RANGE_TO_REG( | |
1239 | val - min); | |
1240 | lm85_write_value(client, LM85_REG_AFAN_RANGE(nr), | |
1241 | ((data->zone[nr].range & 0x0f) << 4) | |
34e7dc6c | 1242 | | (data->pwm_freq[nr] & 0x07)); |
9a61bf63 | 1243 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1244 | return count; |
1245 | } | |
b353a487 JD |
1246 | |
1247 | static ssize_t show_temp_auto_temp_crit(struct device *dev, | |
1248 | struct device_attribute *attr, char *buf) | |
1da177e4 | 1249 | { |
b353a487 | 1250 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 | 1251 | struct lm85_data *data = lm85_update_device(dev); |
1f44809a | 1252 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->zone[nr].critical)); |
1da177e4 | 1253 | } |
b353a487 JD |
1254 | |
1255 | static ssize_t set_temp_auto_temp_crit(struct device *dev, | |
1f44809a | 1256 | struct device_attribute *attr, const char *buf, size_t count) |
1da177e4 | 1257 | { |
b353a487 | 1258 | int nr = to_sensor_dev_attr(attr)->index; |
1da177e4 LT |
1259 | struct i2c_client *client = to_i2c_client(dev); |
1260 | struct lm85_data *data = i2c_get_clientdata(client); | |
09770b26 GR |
1261 | long val; |
1262 | int err; | |
1263 | ||
1264 | err = kstrtol(buf, 10, &val); | |
1265 | if (err) | |
1266 | return err; | |
1da177e4 | 1267 | |
9a61bf63 | 1268 | mutex_lock(&data->update_lock); |
1da177e4 LT |
1269 | data->zone[nr].critical = TEMP_TO_REG(val); |
1270 | lm85_write_value(client, LM85_REG_AFAN_CRITICAL(nr), | |
1271 | data->zone[nr].critical); | |
9a61bf63 | 1272 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
1273 | return count; |
1274 | } | |
b353a487 | 1275 | |
1da177e4 | 1276 | #define temp_auto(offset) \ |
b353a487 JD |
1277 | static SENSOR_DEVICE_ATTR(temp##offset##_auto_temp_off, \ |
1278 | S_IRUGO | S_IWUSR, show_temp_auto_temp_off, \ | |
1279 | set_temp_auto_temp_off, offset - 1); \ | |
1280 | static SENSOR_DEVICE_ATTR(temp##offset##_auto_temp_min, \ | |
1281 | S_IRUGO | S_IWUSR, show_temp_auto_temp_min, \ | |
1282 | set_temp_auto_temp_min, offset - 1); \ | |
1283 | static SENSOR_DEVICE_ATTR(temp##offset##_auto_temp_max, \ | |
1284 | S_IRUGO | S_IWUSR, show_temp_auto_temp_max, \ | |
1285 | set_temp_auto_temp_max, offset - 1); \ | |
1286 | static SENSOR_DEVICE_ATTR(temp##offset##_auto_temp_crit, \ | |
1287 | S_IRUGO | S_IWUSR, show_temp_auto_temp_crit, \ | |
1288 | set_temp_auto_temp_crit, offset - 1); | |
1289 | ||
1da177e4 LT |
1290 | temp_auto(1); |
1291 | temp_auto(2); | |
1292 | temp_auto(3); | |
1293 | ||
0501a381 | 1294 | static struct attribute *lm85_attributes[] = { |
b353a487 JD |
1295 | &sensor_dev_attr_fan1_input.dev_attr.attr, |
1296 | &sensor_dev_attr_fan2_input.dev_attr.attr, | |
1297 | &sensor_dev_attr_fan3_input.dev_attr.attr, | |
1298 | &sensor_dev_attr_fan4_input.dev_attr.attr, | |
1299 | &sensor_dev_attr_fan1_min.dev_attr.attr, | |
1300 | &sensor_dev_attr_fan2_min.dev_attr.attr, | |
1301 | &sensor_dev_attr_fan3_min.dev_attr.attr, | |
1302 | &sensor_dev_attr_fan4_min.dev_attr.attr, | |
bf76e9d3 JD |
1303 | &sensor_dev_attr_fan1_alarm.dev_attr.attr, |
1304 | &sensor_dev_attr_fan2_alarm.dev_attr.attr, | |
1305 | &sensor_dev_attr_fan3_alarm.dev_attr.attr, | |
1306 | &sensor_dev_attr_fan4_alarm.dev_attr.attr, | |
b353a487 JD |
1307 | |
1308 | &sensor_dev_attr_pwm1.dev_attr.attr, | |
1309 | &sensor_dev_attr_pwm2.dev_attr.attr, | |
1310 | &sensor_dev_attr_pwm3.dev_attr.attr, | |
1311 | &sensor_dev_attr_pwm1_enable.dev_attr.attr, | |
1312 | &sensor_dev_attr_pwm2_enable.dev_attr.attr, | |
1313 | &sensor_dev_attr_pwm3_enable.dev_attr.attr, | |
34e7dc6c JD |
1314 | &sensor_dev_attr_pwm1_freq.dev_attr.attr, |
1315 | &sensor_dev_attr_pwm2_freq.dev_attr.attr, | |
1316 | &sensor_dev_attr_pwm3_freq.dev_attr.attr, | |
b353a487 JD |
1317 | |
1318 | &sensor_dev_attr_in0_input.dev_attr.attr, | |
1319 | &sensor_dev_attr_in1_input.dev_attr.attr, | |
1320 | &sensor_dev_attr_in2_input.dev_attr.attr, | |
1321 | &sensor_dev_attr_in3_input.dev_attr.attr, | |
1322 | &sensor_dev_attr_in0_min.dev_attr.attr, | |
1323 | &sensor_dev_attr_in1_min.dev_attr.attr, | |
1324 | &sensor_dev_attr_in2_min.dev_attr.attr, | |
1325 | &sensor_dev_attr_in3_min.dev_attr.attr, | |
1326 | &sensor_dev_attr_in0_max.dev_attr.attr, | |
1327 | &sensor_dev_attr_in1_max.dev_attr.attr, | |
1328 | &sensor_dev_attr_in2_max.dev_attr.attr, | |
1329 | &sensor_dev_attr_in3_max.dev_attr.attr, | |
bf76e9d3 JD |
1330 | &sensor_dev_attr_in0_alarm.dev_attr.attr, |
1331 | &sensor_dev_attr_in1_alarm.dev_attr.attr, | |
1332 | &sensor_dev_attr_in2_alarm.dev_attr.attr, | |
1333 | &sensor_dev_attr_in3_alarm.dev_attr.attr, | |
b353a487 JD |
1334 | |
1335 | &sensor_dev_attr_temp1_input.dev_attr.attr, | |
1336 | &sensor_dev_attr_temp2_input.dev_attr.attr, | |
1337 | &sensor_dev_attr_temp3_input.dev_attr.attr, | |
1338 | &sensor_dev_attr_temp1_min.dev_attr.attr, | |
1339 | &sensor_dev_attr_temp2_min.dev_attr.attr, | |
1340 | &sensor_dev_attr_temp3_min.dev_attr.attr, | |
1341 | &sensor_dev_attr_temp1_max.dev_attr.attr, | |
1342 | &sensor_dev_attr_temp2_max.dev_attr.attr, | |
1343 | &sensor_dev_attr_temp3_max.dev_attr.attr, | |
bf76e9d3 JD |
1344 | &sensor_dev_attr_temp1_alarm.dev_attr.attr, |
1345 | &sensor_dev_attr_temp2_alarm.dev_attr.attr, | |
1346 | &sensor_dev_attr_temp3_alarm.dev_attr.attr, | |
1347 | &sensor_dev_attr_temp1_fault.dev_attr.attr, | |
1348 | &sensor_dev_attr_temp3_fault.dev_attr.attr, | |
b353a487 JD |
1349 | |
1350 | &sensor_dev_attr_pwm1_auto_channels.dev_attr.attr, | |
1351 | &sensor_dev_attr_pwm2_auto_channels.dev_attr.attr, | |
1352 | &sensor_dev_attr_pwm3_auto_channels.dev_attr.attr, | |
1353 | &sensor_dev_attr_pwm1_auto_pwm_min.dev_attr.attr, | |
1354 | &sensor_dev_attr_pwm2_auto_pwm_min.dev_attr.attr, | |
1355 | &sensor_dev_attr_pwm3_auto_pwm_min.dev_attr.attr, | |
b353a487 | 1356 | |
b353a487 JD |
1357 | &sensor_dev_attr_temp1_auto_temp_min.dev_attr.attr, |
1358 | &sensor_dev_attr_temp2_auto_temp_min.dev_attr.attr, | |
1359 | &sensor_dev_attr_temp3_auto_temp_min.dev_attr.attr, | |
1360 | &sensor_dev_attr_temp1_auto_temp_max.dev_attr.attr, | |
1361 | &sensor_dev_attr_temp2_auto_temp_max.dev_attr.attr, | |
1362 | &sensor_dev_attr_temp3_auto_temp_max.dev_attr.attr, | |
1363 | &sensor_dev_attr_temp1_auto_temp_crit.dev_attr.attr, | |
1364 | &sensor_dev_attr_temp2_auto_temp_crit.dev_attr.attr, | |
1365 | &sensor_dev_attr_temp3_auto_temp_crit.dev_attr.attr, | |
1366 | ||
0501a381 MH |
1367 | &dev_attr_vrm.attr, |
1368 | &dev_attr_cpu0_vid.attr, | |
1369 | &dev_attr_alarms.attr, | |
0501a381 MH |
1370 | NULL |
1371 | }; | |
1372 | ||
1373 | static const struct attribute_group lm85_group = { | |
1374 | .attrs = lm85_attributes, | |
1375 | }; | |
1376 | ||
06923f84 GR |
1377 | static struct attribute *lm85_attributes_minctl[] = { |
1378 | &sensor_dev_attr_pwm1_auto_pwm_minctl.dev_attr.attr, | |
1379 | &sensor_dev_attr_pwm2_auto_pwm_minctl.dev_attr.attr, | |
1380 | &sensor_dev_attr_pwm3_auto_pwm_minctl.dev_attr.attr, | |
5f441e22 | 1381 | NULL |
06923f84 GR |
1382 | }; |
1383 | ||
1384 | static const struct attribute_group lm85_group_minctl = { | |
1385 | .attrs = lm85_attributes_minctl, | |
1386 | }; | |
1387 | ||
1388 | static struct attribute *lm85_attributes_temp_off[] = { | |
1389 | &sensor_dev_attr_temp1_auto_temp_off.dev_attr.attr, | |
1390 | &sensor_dev_attr_temp2_auto_temp_off.dev_attr.attr, | |
1391 | &sensor_dev_attr_temp3_auto_temp_off.dev_attr.attr, | |
5f441e22 | 1392 | NULL |
06923f84 GR |
1393 | }; |
1394 | ||
1395 | static const struct attribute_group lm85_group_temp_off = { | |
1396 | .attrs = lm85_attributes_temp_off, | |
1397 | }; | |
1398 | ||
6b9aad2d | 1399 | static struct attribute *lm85_attributes_in4[] = { |
b353a487 JD |
1400 | &sensor_dev_attr_in4_input.dev_attr.attr, |
1401 | &sensor_dev_attr_in4_min.dev_attr.attr, | |
1402 | &sensor_dev_attr_in4_max.dev_attr.attr, | |
bf76e9d3 | 1403 | &sensor_dev_attr_in4_alarm.dev_attr.attr, |
0501a381 MH |
1404 | NULL |
1405 | }; | |
1406 | ||
6b9aad2d JD |
1407 | static const struct attribute_group lm85_group_in4 = { |
1408 | .attrs = lm85_attributes_in4, | |
1409 | }; | |
1410 | ||
1411 | static struct attribute *lm85_attributes_in567[] = { | |
1412 | &sensor_dev_attr_in5_input.dev_attr.attr, | |
1413 | &sensor_dev_attr_in6_input.dev_attr.attr, | |
1414 | &sensor_dev_attr_in7_input.dev_attr.attr, | |
1415 | &sensor_dev_attr_in5_min.dev_attr.attr, | |
1416 | &sensor_dev_attr_in6_min.dev_attr.attr, | |
1417 | &sensor_dev_attr_in7_min.dev_attr.attr, | |
1418 | &sensor_dev_attr_in5_max.dev_attr.attr, | |
1419 | &sensor_dev_attr_in6_max.dev_attr.attr, | |
1420 | &sensor_dev_attr_in7_max.dev_attr.attr, | |
bf76e9d3 JD |
1421 | &sensor_dev_attr_in5_alarm.dev_attr.attr, |
1422 | &sensor_dev_attr_in6_alarm.dev_attr.attr, | |
1423 | &sensor_dev_attr_in7_alarm.dev_attr.attr, | |
6b9aad2d JD |
1424 | NULL |
1425 | }; | |
1426 | ||
1427 | static const struct attribute_group lm85_group_in567 = { | |
1428 | .attrs = lm85_attributes_in567, | |
0501a381 MH |
1429 | }; |
1430 | ||
5f447594 JD |
1431 | static void lm85_init_client(struct i2c_client *client) |
1432 | { | |
1433 | int value; | |
1434 | ||
1435 | /* Start monitoring if needed */ | |
1436 | value = lm85_read_value(client, LM85_REG_CONFIG); | |
1437 | if (!(value & 0x01)) { | |
1438 | dev_info(&client->dev, "Starting monitoring\n"); | |
1439 | lm85_write_value(client, LM85_REG_CONFIG, value | 0x01); | |
1440 | } | |
1441 | ||
1442 | /* Warn about unusual configuration bits */ | |
1443 | if (value & 0x02) | |
1444 | dev_warn(&client->dev, "Device configuration is locked\n"); | |
1445 | if (!(value & 0x04)) | |
1446 | dev_warn(&client->dev, "Device is not ready\n"); | |
1447 | } | |
1448 | ||
5cfaf338 JD |
1449 | static int lm85_is_fake(struct i2c_client *client) |
1450 | { | |
1451 | /* | |
1452 | * Differenciate between real LM96000 and Winbond WPCD377I. The latter | |
1453 | * emulate the former except that it has no hardware monitoring function | |
1454 | * so the readings are always 0. | |
1455 | */ | |
1456 | int i; | |
1457 | u8 in_temp, fan; | |
1458 | ||
1459 | for (i = 0; i < 8; i++) { | |
1460 | in_temp = i2c_smbus_read_byte_data(client, 0x20 + i); | |
1461 | fan = i2c_smbus_read_byte_data(client, 0x28 + i); | |
1462 | if (in_temp != 0x00 || fan != 0xff) | |
1463 | return 0; | |
1464 | } | |
1465 | ||
1466 | return 1; | |
1467 | } | |
1468 | ||
67712d01 | 1469 | /* Return 0 if detection is successful, -ENODEV otherwise */ |
310ec792 | 1470 | static int lm85_detect(struct i2c_client *client, struct i2c_board_info *info) |
1da177e4 | 1471 | { |
67712d01 JD |
1472 | struct i2c_adapter *adapter = client->adapter; |
1473 | int address = client->addr; | |
590e8534 | 1474 | const char *type_name = NULL; |
d42a2eb5 | 1475 | int company, verstep; |
1da177e4 | 1476 | |
e89e22b2 | 1477 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { |
1da177e4 | 1478 | /* We need to be able to do byte I/O */ |
67712d01 | 1479 | return -ENODEV; |
1f44809a | 1480 | } |
1da177e4 | 1481 | |
d42a2eb5 JD |
1482 | /* Determine the chip type */ |
1483 | company = lm85_read_value(client, LM85_REG_COMPANY); | |
1484 | verstep = lm85_read_value(client, LM85_REG_VERSTEP); | |
1485 | ||
b55f3757 GR |
1486 | dev_dbg(&adapter->dev, |
1487 | "Detecting device at 0x%02x with COMPANY: 0x%02x and VERSTEP: 0x%02x\n", | |
d42a2eb5 JD |
1488 | address, company, verstep); |
1489 | ||
d42a2eb5 JD |
1490 | if (company == LM85_COMPANY_NATIONAL) { |
1491 | switch (verstep) { | |
1492 | case LM85_VERSTEP_LM85C: | |
1493 | type_name = "lm85c"; | |
1494 | break; | |
1495 | case LM85_VERSTEP_LM85B: | |
1496 | type_name = "lm85b"; | |
1497 | break; | |
1498 | case LM85_VERSTEP_LM96000_1: | |
1499 | case LM85_VERSTEP_LM96000_2: | |
1500 | /* Check for Winbond WPCD377I */ | |
1501 | if (lm85_is_fake(client)) { | |
1502 | dev_dbg(&adapter->dev, | |
1503 | "Found Winbond WPCD377I, ignoring\n"); | |
1504 | return -ENODEV; | |
69fc1feb | 1505 | } |
590e8534 | 1506 | type_name = "lm85"; |
d42a2eb5 JD |
1507 | break; |
1508 | } | |
1509 | } else if (company == LM85_COMPANY_ANALOG_DEV) { | |
1510 | switch (verstep) { | |
1511 | case LM85_VERSTEP_ADM1027: | |
1512 | type_name = "adm1027"; | |
1513 | break; | |
1514 | case LM85_VERSTEP_ADT7463: | |
1515 | case LM85_VERSTEP_ADT7463C: | |
1516 | type_name = "adt7463"; | |
1517 | break; | |
1518 | case LM85_VERSTEP_ADT7468_1: | |
1519 | case LM85_VERSTEP_ADT7468_2: | |
1520 | type_name = "adt7468"; | |
1521 | break; | |
1da177e4 | 1522 | } |
d42a2eb5 JD |
1523 | } else if (company == LM85_COMPANY_SMSC) { |
1524 | switch (verstep) { | |
1525 | case LM85_VERSTEP_EMC6D100_A0: | |
1526 | case LM85_VERSTEP_EMC6D100_A1: | |
1527 | /* Note: we can't tell a '100 from a '101 */ | |
1528 | type_name = "emc6d100"; | |
1529 | break; | |
1530 | case LM85_VERSTEP_EMC6D102: | |
1531 | type_name = "emc6d102"; | |
1532 | break; | |
f065a93e JB |
1533 | case LM85_VERSTEP_EMC6D103_A0: |
1534 | case LM85_VERSTEP_EMC6D103_A1: | |
1535 | type_name = "emc6d103"; | |
1536 | break; | |
f065a93e JB |
1537 | case LM85_VERSTEP_EMC6D103S: |
1538 | type_name = "emc6d103s"; | |
1539 | break; | |
d42a2eb5 | 1540 | } |
1da177e4 LT |
1541 | } |
1542 | ||
590e8534 JD |
1543 | if (!type_name) |
1544 | return -ENODEV; | |
1545 | ||
67712d01 JD |
1546 | strlcpy(info->type, type_name, I2C_NAME_SIZE); |
1547 | ||
1548 | return 0; | |
1549 | } | |
1da177e4 | 1550 | |
bc6db2b5 GR |
1551 | static void lm85_remove_files(struct i2c_client *client, struct lm85_data *data) |
1552 | { | |
1553 | sysfs_remove_group(&client->dev.kobj, &lm85_group); | |
06923f84 GR |
1554 | if (data->type != emc6d103s) { |
1555 | sysfs_remove_group(&client->dev.kobj, &lm85_group_minctl); | |
1556 | sysfs_remove_group(&client->dev.kobj, &lm85_group_temp_off); | |
1557 | } | |
bc6db2b5 GR |
1558 | if (!data->has_vid5) |
1559 | sysfs_remove_group(&client->dev.kobj, &lm85_group_in4); | |
1560 | if (data->type == emc6d100) | |
1561 | sysfs_remove_group(&client->dev.kobj, &lm85_group_in567); | |
1562 | } | |
1563 | ||
67712d01 JD |
1564 | static int lm85_probe(struct i2c_client *client, |
1565 | const struct i2c_device_id *id) | |
1566 | { | |
1567 | struct lm85_data *data; | |
1568 | int err; | |
1569 | ||
747e5d62 | 1570 | data = devm_kzalloc(&client->dev, sizeof(struct lm85_data), GFP_KERNEL); |
67712d01 JD |
1571 | if (!data) |
1572 | return -ENOMEM; | |
1573 | ||
1574 | i2c_set_clientdata(client, data); | |
1575 | data->type = id->driver_data; | |
9a61bf63 | 1576 | mutex_init(&data->update_lock); |
1da177e4 | 1577 | |
67712d01 JD |
1578 | /* Fill in the chip specific driver values */ |
1579 | switch (data->type) { | |
1580 | case adm1027: | |
1581 | case adt7463: | |
fa7a5797 | 1582 | case adt7468: |
67712d01 JD |
1583 | case emc6d100: |
1584 | case emc6d102: | |
f065a93e | 1585 | case emc6d103: |
06923f84 | 1586 | case emc6d103s: |
67712d01 JD |
1587 | data->freq_map = adm1027_freq_map; |
1588 | break; | |
1589 | default: | |
1590 | data->freq_map = lm85_freq_map; | |
1591 | } | |
1da177e4 LT |
1592 | |
1593 | /* Set the VRM version */ | |
303760b4 | 1594 | data->vrm = vid_which_vrm(); |
1da177e4 LT |
1595 | |
1596 | /* Initialize the LM85 chip */ | |
e89e22b2 | 1597 | lm85_init_client(client); |
1da177e4 LT |
1598 | |
1599 | /* Register sysfs hooks */ | |
e89e22b2 JD |
1600 | err = sysfs_create_group(&client->dev.kobj, &lm85_group); |
1601 | if (err) | |
747e5d62 | 1602 | return err; |
1da177e4 | 1603 | |
06923f84 GR |
1604 | /* minctl and temp_off exist on all chips except emc6d103s */ |
1605 | if (data->type != emc6d103s) { | |
1606 | err = sysfs_create_group(&client->dev.kobj, &lm85_group_minctl); | |
1607 | if (err) | |
bc4d45f1 | 1608 | goto err_remove_files; |
06923f84 GR |
1609 | err = sysfs_create_group(&client->dev.kobj, |
1610 | &lm85_group_temp_off); | |
1611 | if (err) | |
bc4d45f1 | 1612 | goto err_remove_files; |
06923f84 GR |
1613 | } |
1614 | ||
09770b26 GR |
1615 | /* |
1616 | * The ADT7463/68 have an optional VRM 10 mode where pin 21 is used | |
1617 | * as a sixth digital VID input rather than an analog input. | |
1618 | */ | |
de248805 GR |
1619 | if (data->type == adt7463 || data->type == adt7468) { |
1620 | u8 vid = lm85_read_value(client, LM85_REG_VID); | |
1621 | if (vid & 0x80) | |
1622 | data->has_vid5 = true; | |
1623 | } | |
1624 | ||
09770b26 GR |
1625 | if (!data->has_vid5) { |
1626 | err = sysfs_create_group(&client->dev.kobj, &lm85_group_in4); | |
1627 | if (err) | |
f908037a | 1628 | goto err_remove_files; |
09770b26 | 1629 | } |
6b9aad2d JD |
1630 | |
1631 | /* The EMC6D100 has 3 additional voltage inputs */ | |
09770b26 GR |
1632 | if (data->type == emc6d100) { |
1633 | err = sysfs_create_group(&client->dev.kobj, &lm85_group_in567); | |
1634 | if (err) | |
f908037a | 1635 | goto err_remove_files; |
09770b26 | 1636 | } |
0501a381 | 1637 | |
e89e22b2 | 1638 | data->hwmon_dev = hwmon_device_register(&client->dev); |
1beeffe4 TJ |
1639 | if (IS_ERR(data->hwmon_dev)) { |
1640 | err = PTR_ERR(data->hwmon_dev); | |
f908037a | 1641 | goto err_remove_files; |
9c516ef4 JD |
1642 | } |
1643 | ||
1da177e4 LT |
1644 | return 0; |
1645 | ||
1646 | /* Error out and cleanup code */ | |
f908037a | 1647 | err_remove_files: |
bc6db2b5 | 1648 | lm85_remove_files(client, data); |
1da177e4 LT |
1649 | return err; |
1650 | } | |
1651 | ||
67712d01 | 1652 | static int lm85_remove(struct i2c_client *client) |
1da177e4 | 1653 | { |
943b0830 | 1654 | struct lm85_data *data = i2c_get_clientdata(client); |
1beeffe4 | 1655 | hwmon_device_unregister(data->hwmon_dev); |
bc6db2b5 | 1656 | lm85_remove_files(client, data); |
1da177e4 LT |
1657 | return 0; |
1658 | } | |
1659 | ||
6fd5dd58 AL |
1660 | static const struct i2c_device_id lm85_id[] = { |
1661 | { "adm1027", adm1027 }, | |
1662 | { "adt7463", adt7463 }, | |
1663 | { "adt7468", adt7468 }, | |
1664 | { "lm85", lm85 }, | |
1665 | { "lm85b", lm85 }, | |
1666 | { "lm85c", lm85 }, | |
1667 | { "emc6d100", emc6d100 }, | |
1668 | { "emc6d101", emc6d100 }, | |
1669 | { "emc6d102", emc6d102 }, | |
1670 | { "emc6d103", emc6d103 }, | |
1671 | { "emc6d103s", emc6d103s }, | |
1672 | { } | |
1673 | }; | |
1674 | MODULE_DEVICE_TABLE(i2c, lm85_id); | |
1da177e4 | 1675 | |
6fd5dd58 AL |
1676 | static struct i2c_driver lm85_driver = { |
1677 | .class = I2C_CLASS_HWMON, | |
1678 | .driver = { | |
1679 | .name = "lm85", | |
1680 | }, | |
1681 | .probe = lm85_probe, | |
1682 | .remove = lm85_remove, | |
1683 | .id_table = lm85_id, | |
1684 | .detect = lm85_detect, | |
1685 | .address_list = normal_i2c, | |
1686 | }; | |
1da177e4 | 1687 | |
f0967eea | 1688 | module_i2c_driver(lm85_driver); |
1da177e4 | 1689 | |
1da177e4 | 1690 | MODULE_LICENSE("GPL"); |
1f44809a JD |
1691 | MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, " |
1692 | "Margit Schubert-While <margitsw@t-online.de>, " | |
e89e22b2 | 1693 | "Justin Thiessen <jthiessen@penguincomputing.com>"); |
1da177e4 | 1694 | MODULE_DESCRIPTION("LM85-B, LM85-C driver"); |