Commit | Line | Data |
---|---|---|
84f1e442 | 1 | /* |
f58c44e6 BG |
2 | * f75375s.c - driver for the Fintek F75375/SP, F75373 and |
3 | * F75387SG/RG hardware monitoring features | |
b26e0ed4 | 4 | * Copyright (C) 2006-2007 Riku Voipio |
84f1e442 RV |
5 | * |
6 | * Datasheets available at: | |
7 | * | |
8 | * f75375: | |
4fd826ef | 9 | * http://www.fintek.com.tw/files/productfiles/F75375_V026P.pdf |
84f1e442 RV |
10 | * |
11 | * f75373: | |
631dd1a8 | 12 | * http://www.fintek.com.tw/files/productfiles/F75373_V025P.pdf |
84f1e442 | 13 | * |
f58c44e6 BG |
14 | * f75387: |
15 | * http://www.fintek.com.tw/files/productfiles/F75387_V027P.pdf | |
16 | * | |
84f1e442 RV |
17 | * This program is free software; you can redistribute it and/or modify |
18 | * it under the terms of the GNU General Public License as published by | |
19 | * the Free Software Foundation; either version 2 of the License, or | |
20 | * (at your option) any later version. | |
21 | * | |
22 | * This program is distributed in the hope that it will be useful, | |
23 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
24 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
25 | * GNU General Public License for more details. | |
26 | * | |
27 | * You should have received a copy of the GNU General Public License | |
28 | * along with this program; if not, write to the Free Software | |
29 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
30 | * | |
31 | */ | |
32 | ||
33 | #include <linux/module.h> | |
34 | #include <linux/jiffies.h> | |
35 | #include <linux/hwmon.h> | |
36 | #include <linux/hwmon-sysfs.h> | |
37 | #include <linux/i2c.h> | |
38 | #include <linux/err.h> | |
39 | #include <linux/mutex.h> | |
ff312d07 | 40 | #include <linux/f75375s.h> |
5a0e3ad6 | 41 | #include <linux/slab.h> |
84f1e442 RV |
42 | |
43 | /* Addresses to scan */ | |
25e9c86d | 44 | static const unsigned short normal_i2c[] = { 0x2d, 0x2e, I2C_CLIENT_END }; |
84f1e442 | 45 | |
f58c44e6 | 46 | enum chips { f75373, f75375, f75387 }; |
84f1e442 RV |
47 | |
48 | /* Fintek F75375 registers */ | |
49 | #define F75375_REG_CONFIG0 0x0 | |
50 | #define F75375_REG_CONFIG1 0x1 | |
51 | #define F75375_REG_CONFIG2 0x2 | |
52 | #define F75375_REG_CONFIG3 0x3 | |
53 | #define F75375_REG_ADDR 0x4 | |
54 | #define F75375_REG_INTR 0x31 | |
55 | #define F75375_CHIP_ID 0x5A | |
56 | #define F75375_REG_VERSION 0x5C | |
57 | #define F75375_REG_VENDOR 0x5D | |
58 | #define F75375_REG_FAN_TIMER 0x60 | |
59 | ||
60 | #define F75375_REG_VOLT(nr) (0x10 + (nr)) | |
61 | #define F75375_REG_VOLT_HIGH(nr) (0x20 + (nr) * 2) | |
62 | #define F75375_REG_VOLT_LOW(nr) (0x21 + (nr) * 2) | |
63 | ||
64 | #define F75375_REG_TEMP(nr) (0x14 + (nr)) | |
f58c44e6 | 65 | #define F75387_REG_TEMP11_LSB(nr) (0x1a + (nr)) |
84f1e442 RV |
66 | #define F75375_REG_TEMP_HIGH(nr) (0x28 + (nr) * 2) |
67 | #define F75375_REG_TEMP_HYST(nr) (0x29 + (nr) * 2) | |
68 | ||
69 | #define F75375_REG_FAN(nr) (0x16 + (nr) * 2) | |
70 | #define F75375_REG_FAN_MIN(nr) (0x2C + (nr) * 2) | |
71 | #define F75375_REG_FAN_FULL(nr) (0x70 + (nr) * 0x10) | |
72 | #define F75375_REG_FAN_PWM_DUTY(nr) (0x76 + (nr) * 0x10) | |
73 | #define F75375_REG_FAN_PWM_CLOCK(nr) (0x7D + (nr) * 0x10) | |
74 | ||
75 | #define F75375_REG_FAN_EXP(nr) (0x74 + (nr) * 0x10) | |
76 | #define F75375_REG_FAN_B_TEMP(nr, step) ((0xA0 + (nr) * 0x10) + (step)) | |
77 | #define F75375_REG_FAN_B_SPEED(nr, step) \ | |
78 | ((0xA5 + (nr) * 0x10) + (step) * 2) | |
79 | ||
80 | #define F75375_REG_PWM1_RAISE_DUTY 0x69 | |
81 | #define F75375_REG_PWM2_RAISE_DUTY 0x6A | |
82 | #define F75375_REG_PWM1_DROP_DUTY 0x6B | |
83 | #define F75375_REG_PWM2_DROP_DUTY 0x6C | |
84 | ||
f58c44e6 BG |
85 | #define F75375_FAN_CTRL_LINEAR(nr) (4 + nr) |
86 | #define F75387_FAN_CTRL_LINEAR(nr) (1 + ((nr) * 4)) | |
96f36408 | 87 | #define FAN_CTRL_MODE(nr) (4 + ((nr) * 2)) |
f58c44e6 BG |
88 | #define F75387_FAN_DUTY_MODE(nr) (2 + ((nr) * 4)) |
89 | #define F75387_FAN_MANU_MODE(nr) ((nr) * 4) | |
84f1e442 RV |
90 | |
91 | /* | |
92 | * Data structures and manipulation thereof | |
93 | */ | |
94 | ||
95 | struct f75375_data { | |
96 | unsigned short addr; | |
1beeffe4 | 97 | struct device *hwmon_dev; |
84f1e442 RV |
98 | |
99 | const char *name; | |
100 | int kind; | |
101 | struct mutex update_lock; /* protect register access */ | |
102 | char valid; | |
103 | unsigned long last_updated; /* In jiffies */ | |
104 | unsigned long last_limits; /* In jiffies */ | |
105 | ||
106 | /* Register values */ | |
107 | u8 in[4]; | |
108 | u8 in_max[4]; | |
109 | u8 in_min[4]; | |
110 | u16 fan[2]; | |
111 | u16 fan_min[2]; | |
740f6be3 GR |
112 | u16 fan_max[2]; |
113 | u16 fan_target[2]; | |
84f1e442 RV |
114 | u8 fan_timer; |
115 | u8 pwm[2]; | |
116 | u8 pwm_mode[2]; | |
117 | u8 pwm_enable[2]; | |
f58c44e6 BG |
118 | /* |
119 | * f75387: For remote temperature reading, it uses signed 11-bit | |
120 | * values with LSB = 0.125 degree Celsius, left-justified in 16-bit | |
121 | * registers. For original 8-bit temp readings, the LSB just is 0. | |
122 | */ | |
123 | s16 temp11[2]; | |
84f1e442 RV |
124 | s8 temp_high[2]; |
125 | s8 temp_max_hyst[2]; | |
126 | }; | |
127 | ||
310ec792 | 128 | static int f75375_detect(struct i2c_client *client, |
935ada8c | 129 | struct i2c_board_info *info); |
d2653e92 JD |
130 | static int f75375_probe(struct i2c_client *client, |
131 | const struct i2c_device_id *id); | |
620c142d | 132 | static int f75375_remove(struct i2c_client *client); |
84f1e442 | 133 | |
3760f736 JD |
134 | static const struct i2c_device_id f75375_id[] = { |
135 | { "f75373", f75373 }, | |
136 | { "f75375", f75375 }, | |
f58c44e6 | 137 | { "f75387", f75387 }, |
3760f736 JD |
138 | { } |
139 | }; | |
140 | MODULE_DEVICE_TABLE(i2c, f75375_id); | |
141 | ||
620c142d | 142 | static struct i2c_driver f75375_driver = { |
935ada8c | 143 | .class = I2C_CLASS_HWMON, |
620c142d RV |
144 | .driver = { |
145 | .name = "f75375", | |
146 | }, | |
147 | .probe = f75375_probe, | |
148 | .remove = f75375_remove, | |
3760f736 | 149 | .id_table = f75375_id, |
935ada8c | 150 | .detect = f75375_detect, |
c3813d6a | 151 | .address_list = normal_i2c, |
620c142d RV |
152 | }; |
153 | ||
84f1e442 RV |
154 | static inline int f75375_read8(struct i2c_client *client, u8 reg) |
155 | { | |
156 | return i2c_smbus_read_byte_data(client, reg); | |
157 | } | |
158 | ||
159 | /* in most cases, should be called while holding update_lock */ | |
160 | static inline u16 f75375_read16(struct i2c_client *client, u8 reg) | |
161 | { | |
4fd826ef GR |
162 | return (i2c_smbus_read_byte_data(client, reg) << 8) |
163 | | i2c_smbus_read_byte_data(client, reg + 1); | |
84f1e442 RV |
164 | } |
165 | ||
166 | static inline void f75375_write8(struct i2c_client *client, u8 reg, | |
167 | u8 value) | |
168 | { | |
169 | i2c_smbus_write_byte_data(client, reg, value); | |
170 | } | |
171 | ||
172 | static inline void f75375_write16(struct i2c_client *client, u8 reg, | |
173 | u16 value) | |
174 | { | |
eb2f255b | 175 | int err = i2c_smbus_write_byte_data(client, reg, (value >> 8)); |
84f1e442 RV |
176 | if (err) |
177 | return; | |
178 | i2c_smbus_write_byte_data(client, reg + 1, (value & 0xFF)); | |
179 | } | |
180 | ||
331255d3 NS |
181 | static void f75375_write_pwm(struct i2c_client *client, int nr) |
182 | { | |
183 | struct f75375_data *data = i2c_get_clientdata(client); | |
184 | if (data->kind == f75387) | |
185 | f75375_write16(client, F75375_REG_FAN_EXP(nr), data->pwm[nr]); | |
186 | else | |
187 | f75375_write8(client, F75375_REG_FAN_PWM_DUTY(nr), | |
188 | data->pwm[nr]); | |
189 | } | |
190 | ||
84f1e442 RV |
191 | static struct f75375_data *f75375_update_device(struct device *dev) |
192 | { | |
193 | struct i2c_client *client = to_i2c_client(dev); | |
194 | struct f75375_data *data = i2c_get_clientdata(client); | |
195 | int nr; | |
196 | ||
197 | mutex_lock(&data->update_lock); | |
198 | ||
199 | /* Limit registers cache is refreshed after 60 seconds */ | |
200 | if (time_after(jiffies, data->last_limits + 60 * HZ) | |
201 | || !data->valid) { | |
202 | for (nr = 0; nr < 2; nr++) { | |
203 | data->temp_high[nr] = | |
204 | f75375_read8(client, F75375_REG_TEMP_HIGH(nr)); | |
205 | data->temp_max_hyst[nr] = | |
206 | f75375_read8(client, F75375_REG_TEMP_HYST(nr)); | |
740f6be3 | 207 | data->fan_max[nr] = |
84f1e442 RV |
208 | f75375_read16(client, F75375_REG_FAN_FULL(nr)); |
209 | data->fan_min[nr] = | |
210 | f75375_read16(client, F75375_REG_FAN_MIN(nr)); | |
740f6be3 | 211 | data->fan_target[nr] = |
84f1e442 | 212 | f75375_read16(client, F75375_REG_FAN_EXP(nr)); |
84f1e442 RV |
213 | } |
214 | for (nr = 0; nr < 4; nr++) { | |
215 | data->in_max[nr] = | |
216 | f75375_read8(client, F75375_REG_VOLT_HIGH(nr)); | |
217 | data->in_min[nr] = | |
218 | f75375_read8(client, F75375_REG_VOLT_LOW(nr)); | |
219 | } | |
220 | data->fan_timer = f75375_read8(client, F75375_REG_FAN_TIMER); | |
221 | data->last_limits = jiffies; | |
222 | } | |
223 | ||
224 | /* Measurement registers cache is refreshed after 2 second */ | |
225 | if (time_after(jiffies, data->last_updated + 2 * HZ) | |
226 | || !data->valid) { | |
227 | for (nr = 0; nr < 2; nr++) { | |
a1c1baf0 NS |
228 | data->pwm[nr] = f75375_read8(client, |
229 | F75375_REG_FAN_PWM_DUTY(nr)); | |
f58c44e6 BG |
230 | /* assign MSB, therefore shift it by 8 bits */ |
231 | data->temp11[nr] = | |
232 | f75375_read8(client, F75375_REG_TEMP(nr)) << 8; | |
233 | if (data->kind == f75387) | |
234 | /* merge F75387's temperature LSB (11-bit) */ | |
235 | data->temp11[nr] |= | |
236 | f75375_read8(client, | |
237 | F75387_REG_TEMP11_LSB(nr)); | |
84f1e442 RV |
238 | data->fan[nr] = |
239 | f75375_read16(client, F75375_REG_FAN(nr)); | |
240 | } | |
241 | for (nr = 0; nr < 4; nr++) | |
242 | data->in[nr] = | |
243 | f75375_read8(client, F75375_REG_VOLT(nr)); | |
244 | ||
245 | data->last_updated = jiffies; | |
246 | data->valid = 1; | |
247 | } | |
248 | ||
249 | mutex_unlock(&data->update_lock); | |
250 | return data; | |
251 | } | |
252 | ||
253 | static inline u16 rpm_from_reg(u16 reg) | |
254 | { | |
255 | if (reg == 0 || reg == 0xffff) | |
256 | return 0; | |
4fd826ef | 257 | return 1500000 / reg; |
84f1e442 RV |
258 | } |
259 | ||
260 | static inline u16 rpm_to_reg(int rpm) | |
261 | { | |
262 | if (rpm < 367 || rpm > 0xffff) | |
263 | return 0xffff; | |
4fd826ef | 264 | return 1500000 / rpm; |
84f1e442 RV |
265 | } |
266 | ||
b17d6561 NS |
267 | static bool duty_mode_enabled(u8 pwm_enable) |
268 | { | |
269 | switch (pwm_enable) { | |
270 | case 0: /* Manual, duty mode (full speed) */ | |
271 | case 1: /* Manual, duty mode */ | |
272 | case 4: /* Auto, duty mode */ | |
273 | return true; | |
274 | case 2: /* Auto, speed mode */ | |
275 | case 3: /* Manual, speed mode */ | |
276 | return false; | |
277 | default: | |
278 | BUG(); | |
279 | } | |
280 | } | |
281 | ||
15d1ad0c NS |
282 | static bool auto_mode_enabled(u8 pwm_enable) |
283 | { | |
284 | switch (pwm_enable) { | |
285 | case 0: /* Manual, duty mode (full speed) */ | |
286 | case 1: /* Manual, duty mode */ | |
287 | case 3: /* Manual, speed mode */ | |
288 | return false; | |
289 | case 2: /* Auto, speed mode */ | |
290 | case 4: /* Auto, duty mode */ | |
291 | return true; | |
292 | default: | |
293 | BUG(); | |
294 | } | |
295 | } | |
296 | ||
84f1e442 RV |
297 | static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr, |
298 | const char *buf, size_t count) | |
299 | { | |
300 | int nr = to_sensor_dev_attr(attr)->index; | |
301 | struct i2c_client *client = to_i2c_client(dev); | |
302 | struct f75375_data *data = i2c_get_clientdata(client); | |
4fd826ef GR |
303 | unsigned long val; |
304 | int err; | |
305 | ||
306 | err = kstrtoul(buf, 10, &val); | |
307 | if (err < 0) | |
308 | return err; | |
84f1e442 RV |
309 | |
310 | mutex_lock(&data->update_lock); | |
311 | data->fan_min[nr] = rpm_to_reg(val); | |
312 | f75375_write16(client, F75375_REG_FAN_MIN(nr), data->fan_min[nr]); | |
313 | mutex_unlock(&data->update_lock); | |
314 | return count; | |
315 | } | |
316 | ||
740f6be3 | 317 | static ssize_t set_fan_target(struct device *dev, struct device_attribute *attr, |
84f1e442 RV |
318 | const char *buf, size_t count) |
319 | { | |
320 | int nr = to_sensor_dev_attr(attr)->index; | |
321 | struct i2c_client *client = to_i2c_client(dev); | |
322 | struct f75375_data *data = i2c_get_clientdata(client); | |
4fd826ef GR |
323 | unsigned long val; |
324 | int err; | |
325 | ||
326 | err = kstrtoul(buf, 10, &val); | |
327 | if (err < 0) | |
328 | return err; | |
84f1e442 | 329 | |
15d1ad0c NS |
330 | if (auto_mode_enabled(data->pwm_enable[nr])) |
331 | return -EINVAL; | |
332 | if (data->kind == f75387 && duty_mode_enabled(data->pwm_enable[nr])) | |
333 | return -EINVAL; | |
334 | ||
84f1e442 | 335 | mutex_lock(&data->update_lock); |
740f6be3 GR |
336 | data->fan_target[nr] = rpm_to_reg(val); |
337 | f75375_write16(client, F75375_REG_FAN_EXP(nr), data->fan_target[nr]); | |
84f1e442 RV |
338 | mutex_unlock(&data->update_lock); |
339 | return count; | |
340 | } | |
341 | ||
342 | static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, | |
343 | const char *buf, size_t count) | |
344 | { | |
345 | int nr = to_sensor_dev_attr(attr)->index; | |
346 | struct i2c_client *client = to_i2c_client(dev); | |
347 | struct f75375_data *data = i2c_get_clientdata(client); | |
4fd826ef GR |
348 | unsigned long val; |
349 | int err; | |
350 | ||
351 | err = kstrtoul(buf, 10, &val); | |
352 | if (err < 0) | |
353 | return err; | |
84f1e442 | 354 | |
15d1ad0c NS |
355 | if (auto_mode_enabled(data->pwm_enable[nr]) || |
356 | !duty_mode_enabled(data->pwm_enable[nr])) | |
357 | return -EINVAL; | |
358 | ||
84f1e442 RV |
359 | mutex_lock(&data->update_lock); |
360 | data->pwm[nr] = SENSORS_LIMIT(val, 0, 255); | |
331255d3 | 361 | f75375_write_pwm(client, nr); |
84f1e442 RV |
362 | mutex_unlock(&data->update_lock); |
363 | return count; | |
364 | } | |
365 | ||
366 | static ssize_t show_pwm_enable(struct device *dev, struct device_attribute | |
367 | *attr, char *buf) | |
368 | { | |
369 | int nr = to_sensor_dev_attr(attr)->index; | |
370 | struct f75375_data *data = f75375_update_device(dev); | |
371 | return sprintf(buf, "%d\n", data->pwm_enable[nr]); | |
372 | } | |
373 | ||
ff312d07 | 374 | static int set_pwm_enable_direct(struct i2c_client *client, int nr, int val) |
84f1e442 | 375 | { |
84f1e442 | 376 | struct f75375_data *data = i2c_get_clientdata(client); |
84f1e442 RV |
377 | u8 fanmode; |
378 | ||
b17d6561 | 379 | if (val < 0 || val > 4) |
84f1e442 RV |
380 | return -EINVAL; |
381 | ||
84f1e442 | 382 | fanmode = f75375_read8(client, F75375_REG_FAN_TIMER); |
f58c44e6 | 383 | if (data->kind == f75387) { |
b17d6561 NS |
384 | /* For now, deny dangerous toggling of duty mode */ |
385 | if (duty_mode_enabled(data->pwm_enable[nr]) != | |
386 | duty_mode_enabled(val)) | |
387 | return -EOPNOTSUPP; | |
f58c44e6 BG |
388 | /* clear each fanX_mode bit before setting them properly */ |
389 | fanmode &= ~(1 << F75387_FAN_DUTY_MODE(nr)); | |
390 | fanmode &= ~(1 << F75387_FAN_MANU_MODE(nr)); | |
391 | switch (val) { | |
392 | case 0: /* full speed */ | |
393 | fanmode |= (1 << F75387_FAN_MANU_MODE(nr)); | |
394 | fanmode |= (1 << F75387_FAN_DUTY_MODE(nr)); | |
395 | data->pwm[nr] = 255; | |
f58c44e6 BG |
396 | break; |
397 | case 1: /* PWM */ | |
398 | fanmode |= (1 << F75387_FAN_MANU_MODE(nr)); | |
399 | fanmode |= (1 << F75387_FAN_DUTY_MODE(nr)); | |
400 | break; | |
b17d6561 | 401 | case 2: /* Automatic, speed mode */ |
f58c44e6 BG |
402 | break; |
403 | case 3: /* fan speed */ | |
404 | fanmode |= (1 << F75387_FAN_MANU_MODE(nr)); | |
405 | break; | |
b17d6561 NS |
406 | case 4: /* Automatic, pwm */ |
407 | fanmode |= (1 << F75387_FAN_DUTY_MODE(nr)); | |
408 | break; | |
f58c44e6 BG |
409 | } |
410 | } else { | |
411 | /* clear each fanX_mode bit before setting them properly */ | |
412 | fanmode &= ~(3 << FAN_CTRL_MODE(nr)); | |
413 | switch (val) { | |
414 | case 0: /* full speed */ | |
415 | fanmode |= (3 << FAN_CTRL_MODE(nr)); | |
416 | data->pwm[nr] = 255; | |
f58c44e6 BG |
417 | break; |
418 | case 1: /* PWM */ | |
419 | fanmode |= (3 << FAN_CTRL_MODE(nr)); | |
420 | break; | |
421 | case 2: /* AUTOMATIC*/ | |
09e87e5c | 422 | fanmode |= (1 << FAN_CTRL_MODE(nr)); |
f58c44e6 BG |
423 | break; |
424 | case 3: /* fan speed */ | |
425 | break; | |
b17d6561 NS |
426 | case 4: /* Automatic pwm */ |
427 | return -EINVAL; | |
f58c44e6 | 428 | } |
84f1e442 | 429 | } |
f58c44e6 | 430 | |
84f1e442 RV |
431 | f75375_write8(client, F75375_REG_FAN_TIMER, fanmode); |
432 | data->pwm_enable[nr] = val; | |
c1c1a3d0 | 433 | if (val == 0) |
331255d3 | 434 | f75375_write_pwm(client, nr); |
ff312d07 RV |
435 | return 0; |
436 | } | |
437 | ||
438 | static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr, | |
439 | const char *buf, size_t count) | |
440 | { | |
441 | int nr = to_sensor_dev_attr(attr)->index; | |
442 | struct i2c_client *client = to_i2c_client(dev); | |
443 | struct f75375_data *data = i2c_get_clientdata(client); | |
4fd826ef GR |
444 | unsigned long val; |
445 | int err; | |
446 | ||
447 | err = kstrtoul(buf, 10, &val); | |
448 | if (err < 0) | |
449 | return err; | |
ff312d07 RV |
450 | |
451 | mutex_lock(&data->update_lock); | |
452 | err = set_pwm_enable_direct(client, nr, val); | |
84f1e442 | 453 | mutex_unlock(&data->update_lock); |
ff312d07 | 454 | return err ? err : count; |
84f1e442 RV |
455 | } |
456 | ||
457 | static ssize_t set_pwm_mode(struct device *dev, struct device_attribute *attr, | |
458 | const char *buf, size_t count) | |
459 | { | |
460 | int nr = to_sensor_dev_attr(attr)->index; | |
461 | struct i2c_client *client = to_i2c_client(dev); | |
462 | struct f75375_data *data = i2c_get_clientdata(client); | |
4fd826ef GR |
463 | unsigned long val; |
464 | int err; | |
465 | u8 conf; | |
f58c44e6 | 466 | char reg, ctrl; |
4fd826ef GR |
467 | |
468 | err = kstrtoul(buf, 10, &val); | |
469 | if (err < 0) | |
470 | return err; | |
84f1e442 | 471 | |
76e83bef | 472 | if (!(val == 0 || val == 1)) |
84f1e442 RV |
473 | return -EINVAL; |
474 | ||
5cd3222a GR |
475 | /* F75373 does not support DC (linear voltage) fan control mode */ |
476 | if (data->kind == f75373 && val == 0) | |
477 | return -EINVAL; | |
478 | ||
f58c44e6 BG |
479 | /* take care for different registers */ |
480 | if (data->kind == f75387) { | |
481 | reg = F75375_REG_FAN_TIMER; | |
482 | ctrl = F75387_FAN_CTRL_LINEAR(nr); | |
483 | } else { | |
484 | reg = F75375_REG_CONFIG1; | |
485 | ctrl = F75375_FAN_CTRL_LINEAR(nr); | |
486 | } | |
487 | ||
84f1e442 | 488 | mutex_lock(&data->update_lock); |
f58c44e6 BG |
489 | conf = f75375_read8(client, reg); |
490 | conf &= ~(1 << ctrl); | |
84f1e442 RV |
491 | |
492 | if (val == 0) | |
f58c44e6 | 493 | conf |= (1 << ctrl); |
84f1e442 | 494 | |
f58c44e6 | 495 | f75375_write8(client, reg, conf); |
84f1e442 RV |
496 | data->pwm_mode[nr] = val; |
497 | mutex_unlock(&data->update_lock); | |
498 | return count; | |
499 | } | |
500 | ||
501 | static ssize_t show_pwm(struct device *dev, struct device_attribute | |
502 | *attr, char *buf) | |
503 | { | |
504 | int nr = to_sensor_dev_attr(attr)->index; | |
505 | struct f75375_data *data = f75375_update_device(dev); | |
506 | return sprintf(buf, "%d\n", data->pwm[nr]); | |
507 | } | |
508 | ||
509 | static ssize_t show_pwm_mode(struct device *dev, struct device_attribute | |
510 | *attr, char *buf) | |
511 | { | |
512 | int nr = to_sensor_dev_attr(attr)->index; | |
513 | struct f75375_data *data = f75375_update_device(dev); | |
514 | return sprintf(buf, "%d\n", data->pwm_mode[nr]); | |
515 | } | |
516 | ||
517 | #define VOLT_FROM_REG(val) ((val) * 8) | |
518 | #define VOLT_TO_REG(val) ((val) / 8) | |
519 | ||
520 | static ssize_t show_in(struct device *dev, struct device_attribute *attr, | |
521 | char *buf) | |
522 | { | |
523 | int nr = to_sensor_dev_attr(attr)->index; | |
524 | struct f75375_data *data = f75375_update_device(dev); | |
525 | return sprintf(buf, "%d\n", VOLT_FROM_REG(data->in[nr])); | |
526 | } | |
527 | ||
528 | static ssize_t show_in_max(struct device *dev, struct device_attribute *attr, | |
529 | char *buf) | |
530 | { | |
531 | int nr = to_sensor_dev_attr(attr)->index; | |
532 | struct f75375_data *data = f75375_update_device(dev); | |
533 | return sprintf(buf, "%d\n", VOLT_FROM_REG(data->in_max[nr])); | |
534 | } | |
535 | ||
536 | static ssize_t show_in_min(struct device *dev, struct device_attribute *attr, | |
537 | char *buf) | |
538 | { | |
539 | int nr = to_sensor_dev_attr(attr)->index; | |
540 | struct f75375_data *data = f75375_update_device(dev); | |
541 | return sprintf(buf, "%d\n", VOLT_FROM_REG(data->in_min[nr])); | |
542 | } | |
543 | ||
544 | static ssize_t set_in_max(struct device *dev, struct device_attribute *attr, | |
545 | const char *buf, size_t count) | |
546 | { | |
547 | int nr = to_sensor_dev_attr(attr)->index; | |
548 | struct i2c_client *client = to_i2c_client(dev); | |
549 | struct f75375_data *data = i2c_get_clientdata(client); | |
4fd826ef GR |
550 | unsigned long val; |
551 | int err; | |
552 | ||
553 | err = kstrtoul(buf, 10, &val); | |
554 | if (err < 0) | |
555 | return err; | |
556 | ||
84f1e442 RV |
557 | val = SENSORS_LIMIT(VOLT_TO_REG(val), 0, 0xff); |
558 | mutex_lock(&data->update_lock); | |
559 | data->in_max[nr] = val; | |
560 | f75375_write8(client, F75375_REG_VOLT_HIGH(nr), data->in_max[nr]); | |
561 | mutex_unlock(&data->update_lock); | |
562 | return count; | |
563 | } | |
564 | ||
565 | static ssize_t set_in_min(struct device *dev, struct device_attribute *attr, | |
566 | const char *buf, size_t count) | |
567 | { | |
568 | int nr = to_sensor_dev_attr(attr)->index; | |
569 | struct i2c_client *client = to_i2c_client(dev); | |
570 | struct f75375_data *data = i2c_get_clientdata(client); | |
4fd826ef GR |
571 | unsigned long val; |
572 | int err; | |
573 | ||
574 | err = kstrtoul(buf, 10, &val); | |
575 | if (err < 0) | |
576 | return err; | |
577 | ||
84f1e442 RV |
578 | val = SENSORS_LIMIT(VOLT_TO_REG(val), 0, 0xff); |
579 | mutex_lock(&data->update_lock); | |
580 | data->in_min[nr] = val; | |
581 | f75375_write8(client, F75375_REG_VOLT_LOW(nr), data->in_min[nr]); | |
582 | mutex_unlock(&data->update_lock); | |
583 | return count; | |
584 | } | |
585 | #define TEMP_FROM_REG(val) ((val) * 1000) | |
586 | #define TEMP_TO_REG(val) ((val) / 1000) | |
f58c44e6 | 587 | #define TEMP11_FROM_REG(reg) ((reg) / 32 * 125) |
84f1e442 | 588 | |
f58c44e6 | 589 | static ssize_t show_temp11(struct device *dev, struct device_attribute *attr, |
84f1e442 RV |
590 | char *buf) |
591 | { | |
592 | int nr = to_sensor_dev_attr(attr)->index; | |
593 | struct f75375_data *data = f75375_update_device(dev); | |
f58c44e6 | 594 | return sprintf(buf, "%d\n", TEMP11_FROM_REG(data->temp11[nr])); |
84f1e442 RV |
595 | } |
596 | ||
597 | static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr, | |
598 | char *buf) | |
599 | { | |
600 | int nr = to_sensor_dev_attr(attr)->index; | |
601 | struct f75375_data *data = f75375_update_device(dev); | |
602 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_high[nr])); | |
603 | } | |
604 | ||
605 | static ssize_t show_temp_max_hyst(struct device *dev, | |
606 | struct device_attribute *attr, char *buf) | |
607 | { | |
608 | int nr = to_sensor_dev_attr(attr)->index; | |
609 | struct f75375_data *data = f75375_update_device(dev); | |
610 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max_hyst[nr])); | |
611 | } | |
612 | ||
613 | static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, | |
614 | const char *buf, size_t count) | |
615 | { | |
616 | int nr = to_sensor_dev_attr(attr)->index; | |
617 | struct i2c_client *client = to_i2c_client(dev); | |
618 | struct f75375_data *data = i2c_get_clientdata(client); | |
4fd826ef GR |
619 | unsigned long val; |
620 | int err; | |
621 | ||
622 | err = kstrtoul(buf, 10, &val); | |
623 | if (err < 0) | |
624 | return err; | |
625 | ||
84f1e442 RV |
626 | val = SENSORS_LIMIT(TEMP_TO_REG(val), 0, 127); |
627 | mutex_lock(&data->update_lock); | |
628 | data->temp_high[nr] = val; | |
629 | f75375_write8(client, F75375_REG_TEMP_HIGH(nr), data->temp_high[nr]); | |
630 | mutex_unlock(&data->update_lock); | |
631 | return count; | |
632 | } | |
633 | ||
634 | static ssize_t set_temp_max_hyst(struct device *dev, | |
635 | struct device_attribute *attr, const char *buf, size_t count) | |
636 | { | |
637 | int nr = to_sensor_dev_attr(attr)->index; | |
638 | struct i2c_client *client = to_i2c_client(dev); | |
639 | struct f75375_data *data = i2c_get_clientdata(client); | |
4fd826ef GR |
640 | unsigned long val; |
641 | int err; | |
642 | ||
643 | err = kstrtoul(buf, 10, &val); | |
644 | if (err < 0) | |
645 | return err; | |
646 | ||
84f1e442 RV |
647 | val = SENSORS_LIMIT(TEMP_TO_REG(val), 0, 127); |
648 | mutex_lock(&data->update_lock); | |
649 | data->temp_max_hyst[nr] = val; | |
650 | f75375_write8(client, F75375_REG_TEMP_HYST(nr), | |
651 | data->temp_max_hyst[nr]); | |
652 | mutex_unlock(&data->update_lock); | |
653 | return count; | |
654 | } | |
655 | ||
656 | #define show_fan(thing) \ | |
657 | static ssize_t show_##thing(struct device *dev, struct device_attribute *attr, \ | |
658 | char *buf)\ | |
659 | {\ | |
660 | int nr = to_sensor_dev_attr(attr)->index;\ | |
661 | struct f75375_data *data = f75375_update_device(dev); \ | |
662 | return sprintf(buf, "%d\n", rpm_from_reg(data->thing[nr])); \ | |
663 | } | |
664 | ||
665 | show_fan(fan); | |
666 | show_fan(fan_min); | |
740f6be3 GR |
667 | show_fan(fan_max); |
668 | show_fan(fan_target); | |
84f1e442 RV |
669 | |
670 | static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_in, NULL, 0); | |
671 | static SENSOR_DEVICE_ATTR(in0_max, S_IRUGO|S_IWUSR, | |
672 | show_in_max, set_in_max, 0); | |
673 | static SENSOR_DEVICE_ATTR(in0_min, S_IRUGO|S_IWUSR, | |
674 | show_in_min, set_in_min, 0); | |
675 | static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 1); | |
676 | static SENSOR_DEVICE_ATTR(in1_max, S_IRUGO|S_IWUSR, | |
677 | show_in_max, set_in_max, 1); | |
678 | static SENSOR_DEVICE_ATTR(in1_min, S_IRUGO|S_IWUSR, | |
679 | show_in_min, set_in_min, 1); | |
680 | static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in, NULL, 2); | |
681 | static SENSOR_DEVICE_ATTR(in2_max, S_IRUGO|S_IWUSR, | |
682 | show_in_max, set_in_max, 2); | |
683 | static SENSOR_DEVICE_ATTR(in2_min, S_IRUGO|S_IWUSR, | |
684 | show_in_min, set_in_min, 2); | |
685 | static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in, NULL, 3); | |
686 | static SENSOR_DEVICE_ATTR(in3_max, S_IRUGO|S_IWUSR, | |
687 | show_in_max, set_in_max, 3); | |
688 | static SENSOR_DEVICE_ATTR(in3_min, S_IRUGO|S_IWUSR, | |
689 | show_in_min, set_in_min, 3); | |
f58c44e6 | 690 | static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp11, NULL, 0); |
84f1e442 RV |
691 | static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO|S_IWUSR, |
692 | show_temp_max_hyst, set_temp_max_hyst, 0); | |
693 | static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO|S_IWUSR, | |
694 | show_temp_max, set_temp_max, 0); | |
f58c44e6 | 695 | static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp11, NULL, 1); |
84f1e442 RV |
696 | static SENSOR_DEVICE_ATTR(temp2_max_hyst, S_IRUGO|S_IWUSR, |
697 | show_temp_max_hyst, set_temp_max_hyst, 1); | |
698 | static SENSOR_DEVICE_ATTR(temp2_max, S_IRUGO|S_IWUSR, | |
699 | show_temp_max, set_temp_max, 1); | |
700 | static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0); | |
740f6be3 | 701 | static SENSOR_DEVICE_ATTR(fan1_max, S_IRUGO, show_fan_max, NULL, 0); |
84f1e442 RV |
702 | static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO|S_IWUSR, |
703 | show_fan_min, set_fan_min, 0); | |
740f6be3 GR |
704 | static SENSOR_DEVICE_ATTR(fan1_target, S_IRUGO|S_IWUSR, |
705 | show_fan_target, set_fan_target, 0); | |
84f1e442 | 706 | static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1); |
740f6be3 | 707 | static SENSOR_DEVICE_ATTR(fan2_max, S_IRUGO, show_fan_max, NULL, 1); |
84f1e442 RV |
708 | static SENSOR_DEVICE_ATTR(fan2_min, S_IRUGO|S_IWUSR, |
709 | show_fan_min, set_fan_min, 1); | |
740f6be3 GR |
710 | static SENSOR_DEVICE_ATTR(fan2_target, S_IRUGO|S_IWUSR, |
711 | show_fan_target, set_fan_target, 1); | |
84f1e442 RV |
712 | static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, |
713 | show_pwm, set_pwm, 0); | |
714 | static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR, | |
715 | show_pwm_enable, set_pwm_enable, 0); | |
76e83bef | 716 | static SENSOR_DEVICE_ATTR(pwm1_mode, S_IRUGO, |
84f1e442 RV |
717 | show_pwm_mode, set_pwm_mode, 0); |
718 | static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR, | |
719 | show_pwm, set_pwm, 1); | |
720 | static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR, | |
721 | show_pwm_enable, set_pwm_enable, 1); | |
76e83bef | 722 | static SENSOR_DEVICE_ATTR(pwm2_mode, S_IRUGO, |
84f1e442 RV |
723 | show_pwm_mode, set_pwm_mode, 1); |
724 | ||
725 | static struct attribute *f75375_attributes[] = { | |
726 | &sensor_dev_attr_temp1_input.dev_attr.attr, | |
727 | &sensor_dev_attr_temp1_max.dev_attr.attr, | |
728 | &sensor_dev_attr_temp1_max_hyst.dev_attr.attr, | |
729 | &sensor_dev_attr_temp2_input.dev_attr.attr, | |
730 | &sensor_dev_attr_temp2_max.dev_attr.attr, | |
731 | &sensor_dev_attr_temp2_max_hyst.dev_attr.attr, | |
732 | &sensor_dev_attr_fan1_input.dev_attr.attr, | |
740f6be3 | 733 | &sensor_dev_attr_fan1_max.dev_attr.attr, |
84f1e442 | 734 | &sensor_dev_attr_fan1_min.dev_attr.attr, |
740f6be3 | 735 | &sensor_dev_attr_fan1_target.dev_attr.attr, |
84f1e442 | 736 | &sensor_dev_attr_fan2_input.dev_attr.attr, |
740f6be3 | 737 | &sensor_dev_attr_fan2_max.dev_attr.attr, |
84f1e442 | 738 | &sensor_dev_attr_fan2_min.dev_attr.attr, |
740f6be3 | 739 | &sensor_dev_attr_fan2_target.dev_attr.attr, |
84f1e442 RV |
740 | &sensor_dev_attr_pwm1.dev_attr.attr, |
741 | &sensor_dev_attr_pwm1_enable.dev_attr.attr, | |
742 | &sensor_dev_attr_pwm1_mode.dev_attr.attr, | |
743 | &sensor_dev_attr_pwm2.dev_attr.attr, | |
744 | &sensor_dev_attr_pwm2_enable.dev_attr.attr, | |
745 | &sensor_dev_attr_pwm2_mode.dev_attr.attr, | |
746 | &sensor_dev_attr_in0_input.dev_attr.attr, | |
747 | &sensor_dev_attr_in0_max.dev_attr.attr, | |
748 | &sensor_dev_attr_in0_min.dev_attr.attr, | |
749 | &sensor_dev_attr_in1_input.dev_attr.attr, | |
750 | &sensor_dev_attr_in1_max.dev_attr.attr, | |
751 | &sensor_dev_attr_in1_min.dev_attr.attr, | |
752 | &sensor_dev_attr_in2_input.dev_attr.attr, | |
753 | &sensor_dev_attr_in2_max.dev_attr.attr, | |
754 | &sensor_dev_attr_in2_min.dev_attr.attr, | |
755 | &sensor_dev_attr_in3_input.dev_attr.attr, | |
756 | &sensor_dev_attr_in3_max.dev_attr.attr, | |
757 | &sensor_dev_attr_in3_min.dev_attr.attr, | |
758 | NULL | |
759 | }; | |
760 | ||
761 | static const struct attribute_group f75375_group = { | |
762 | .attrs = f75375_attributes, | |
763 | }; | |
764 | ||
ff312d07 RV |
765 | static void f75375_init(struct i2c_client *client, struct f75375_data *data, |
766 | struct f75375s_platform_data *f75375s_pdata) | |
767 | { | |
768 | int nr; | |
b1b561a2 GR |
769 | |
770 | if (!f75375s_pdata) { | |
771 | u8 conf, mode; | |
772 | int nr; | |
773 | ||
774 | conf = f75375_read8(client, F75375_REG_CONFIG1); | |
775 | mode = f75375_read8(client, F75375_REG_FAN_TIMER); | |
776 | for (nr = 0; nr < 2; nr++) { | |
f58c44e6 BG |
777 | if (data->kind == f75387) { |
778 | bool manu, duty; | |
779 | ||
a367a1e0 | 780 | if (!(mode & (1 << F75387_FAN_CTRL_LINEAR(nr)))) |
f58c44e6 BG |
781 | data->pwm_mode[nr] = 1; |
782 | ||
783 | manu = ((mode >> F75387_FAN_MANU_MODE(nr)) & 1); | |
784 | duty = ((mode >> F75387_FAN_DUTY_MODE(nr)) & 1); | |
b17d6561 NS |
785 | if (!manu && duty) |
786 | /* auto, pwm */ | |
787 | data->pwm_enable[nr] = 4; | |
788 | else if (manu && !duty) | |
789 | /* manual, speed */ | |
f58c44e6 | 790 | data->pwm_enable[nr] = 3; |
b17d6561 NS |
791 | else if (!manu && !duty) |
792 | /* automatic, speed */ | |
f58c44e6 BG |
793 | data->pwm_enable[nr] = 2; |
794 | else | |
b17d6561 | 795 | /* manual, pwm */ |
f58c44e6 BG |
796 | data->pwm_enable[nr] = 1; |
797 | } else { | |
798 | if (!(conf & (1 << F75375_FAN_CTRL_LINEAR(nr)))) | |
799 | data->pwm_mode[nr] = 1; | |
800 | ||
801 | switch ((mode >> FAN_CTRL_MODE(nr)) & 3) { | |
802 | case 0: /* speed */ | |
803 | data->pwm_enable[nr] = 3; | |
804 | break; | |
805 | case 1: /* automatic */ | |
806 | data->pwm_enable[nr] = 2; | |
807 | break; | |
808 | default: /* manual */ | |
809 | data->pwm_enable[nr] = 1; | |
810 | break; | |
811 | } | |
b1b561a2 GR |
812 | } |
813 | } | |
814 | return; | |
815 | } | |
816 | ||
ff312d07 RV |
817 | set_pwm_enable_direct(client, 0, f75375s_pdata->pwm_enable[0]); |
818 | set_pwm_enable_direct(client, 1, f75375s_pdata->pwm_enable[1]); | |
819 | for (nr = 0; nr < 2; nr++) { | |
15d1ad0c NS |
820 | if (auto_mode_enabled(f75375s_pdata->pwm_enable[nr]) || |
821 | !duty_mode_enabled(f75375s_pdata->pwm_enable[nr])) | |
822 | continue; | |
ff312d07 | 823 | data->pwm[nr] = SENSORS_LIMIT(f75375s_pdata->pwm[nr], 0, 255); |
331255d3 | 824 | f75375_write_pwm(client, nr); |
ff312d07 RV |
825 | } |
826 | ||
827 | } | |
828 | ||
d2653e92 JD |
829 | static int f75375_probe(struct i2c_client *client, |
830 | const struct i2c_device_id *id) | |
620c142d | 831 | { |
51b3e270 | 832 | struct f75375_data *data; |
ff312d07 | 833 | struct f75375s_platform_data *f75375s_pdata = client->dev.platform_data; |
620c142d RV |
834 | int err; |
835 | ||
836 | if (!i2c_check_functionality(client->adapter, | |
837 | I2C_FUNC_SMBUS_BYTE_DATA)) | |
838 | return -EIO; | |
4fd826ef GR |
839 | data = kzalloc(sizeof(struct f75375_data), GFP_KERNEL); |
840 | if (!data) | |
620c142d RV |
841 | return -ENOMEM; |
842 | ||
843 | i2c_set_clientdata(client, data); | |
620c142d | 844 | mutex_init(&data->update_lock); |
3760f736 | 845 | data->kind = id->driver_data; |
620c142d | 846 | |
4fd826ef GR |
847 | err = sysfs_create_group(&client->dev.kobj, &f75375_group); |
848 | if (err) | |
620c142d RV |
849 | goto exit_free; |
850 | ||
edeea102 | 851 | if (data->kind != f75373) { |
76e83bef RV |
852 | err = sysfs_chmod_file(&client->dev.kobj, |
853 | &sensor_dev_attr_pwm1_mode.dev_attr.attr, | |
854 | S_IRUGO | S_IWUSR); | |
855 | if (err) | |
856 | goto exit_remove; | |
857 | err = sysfs_chmod_file(&client->dev.kobj, | |
858 | &sensor_dev_attr_pwm2_mode.dev_attr.attr, | |
859 | S_IRUGO | S_IWUSR); | |
860 | if (err) | |
861 | goto exit_remove; | |
862 | } | |
863 | ||
620c142d RV |
864 | data->hwmon_dev = hwmon_device_register(&client->dev); |
865 | if (IS_ERR(data->hwmon_dev)) { | |
866 | err = PTR_ERR(data->hwmon_dev); | |
867 | goto exit_remove; | |
868 | } | |
869 | ||
b1b561a2 | 870 | f75375_init(client, data, f75375s_pdata); |
ff312d07 | 871 | |
620c142d RV |
872 | return 0; |
873 | ||
874 | exit_remove: | |
875 | sysfs_remove_group(&client->dev.kobj, &f75375_group); | |
876 | exit_free: | |
877 | kfree(data); | |
620c142d RV |
878 | return err; |
879 | } | |
880 | ||
881 | static int f75375_remove(struct i2c_client *client) | |
882 | { | |
883 | struct f75375_data *data = i2c_get_clientdata(client); | |
884 | hwmon_device_unregister(data->hwmon_dev); | |
885 | sysfs_remove_group(&client->dev.kobj, &f75375_group); | |
84f1e442 RV |
886 | kfree(data); |
887 | return 0; | |
888 | } | |
889 | ||
935ada8c | 890 | /* Return 0 if detection is successful, -ENODEV otherwise */ |
310ec792 | 891 | static int f75375_detect(struct i2c_client *client, |
935ada8c | 892 | struct i2c_board_info *info) |
84f1e442 | 893 | { |
935ada8c | 894 | struct i2c_adapter *adapter = client->adapter; |
52df6440 JD |
895 | u16 vendid, chipid; |
896 | u8 version; | |
897 | const char *name; | |
84f1e442 | 898 | |
52df6440 JD |
899 | vendid = f75375_read16(client, F75375_REG_VENDOR); |
900 | chipid = f75375_read16(client, F75375_CHIP_ID); | |
f58c44e6 BG |
901 | if (vendid != 0x1934) |
902 | return -ENODEV; | |
903 | ||
904 | if (chipid == 0x0306) | |
84f1e442 | 905 | name = "f75375"; |
f58c44e6 | 906 | else if (chipid == 0x0204) |
84f1e442 | 907 | name = "f75373"; |
f58c44e6 BG |
908 | else if (chipid == 0x0410) |
909 | name = "f75387"; | |
52df6440 JD |
910 | else |
911 | return -ENODEV; | |
912 | ||
913 | version = f75375_read8(client, F75375_REG_VERSION); | |
84f1e442 | 914 | dev_info(&adapter->dev, "found %s version: %02X\n", name, version); |
935ada8c | 915 | strlcpy(info->type, name, I2C_NAME_SIZE); |
84f1e442 | 916 | |
84f1e442 | 917 | return 0; |
84f1e442 RV |
918 | } |
919 | ||
f0967eea | 920 | module_i2c_driver(f75375_driver); |
84f1e442 | 921 | |
b26e0ed4 | 922 | MODULE_AUTHOR("Riku Voipio"); |
84f1e442 | 923 | MODULE_LICENSE("GPL"); |
f58c44e6 | 924 | MODULE_DESCRIPTION("F75373/F75375/F75387 hardware monitoring driver"); |