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Commit | Line | Data |
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74ba9207 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
84f1e442 | 2 | /* |
f58c44e6 BG |
3 | * f75375s.c - driver for the Fintek F75375/SP, F75373 and |
4 | * F75387SG/RG hardware monitoring features | |
b26e0ed4 | 5 | * Copyright (C) 2006-2007 Riku Voipio |
84f1e442 RV |
6 | * |
7 | * Datasheets available at: | |
8 | * | |
9 | * f75375: | |
4fd826ef | 10 | * http://www.fintek.com.tw/files/productfiles/F75375_V026P.pdf |
84f1e442 RV |
11 | * |
12 | * f75373: | |
631dd1a8 | 13 | * http://www.fintek.com.tw/files/productfiles/F75373_V025P.pdf |
84f1e442 | 14 | * |
f58c44e6 BG |
15 | * f75387: |
16 | * http://www.fintek.com.tw/files/productfiles/F75387_V027P.pdf | |
84f1e442 RV |
17 | */ |
18 | ||
19 | #include <linux/module.h> | |
20 | #include <linux/jiffies.h> | |
21 | #include <linux/hwmon.h> | |
22 | #include <linux/hwmon-sysfs.h> | |
23 | #include <linux/i2c.h> | |
24 | #include <linux/err.h> | |
25 | #include <linux/mutex.h> | |
ff312d07 | 26 | #include <linux/f75375s.h> |
5a0e3ad6 | 27 | #include <linux/slab.h> |
84f1e442 RV |
28 | |
29 | /* Addresses to scan */ | |
25e9c86d | 30 | static const unsigned short normal_i2c[] = { 0x2d, 0x2e, I2C_CLIENT_END }; |
84f1e442 | 31 | |
f58c44e6 | 32 | enum chips { f75373, f75375, f75387 }; |
84f1e442 RV |
33 | |
34 | /* Fintek F75375 registers */ | |
35 | #define F75375_REG_CONFIG0 0x0 | |
36 | #define F75375_REG_CONFIG1 0x1 | |
37 | #define F75375_REG_CONFIG2 0x2 | |
38 | #define F75375_REG_CONFIG3 0x3 | |
39 | #define F75375_REG_ADDR 0x4 | |
40 | #define F75375_REG_INTR 0x31 | |
41 | #define F75375_CHIP_ID 0x5A | |
42 | #define F75375_REG_VERSION 0x5C | |
43 | #define F75375_REG_VENDOR 0x5D | |
44 | #define F75375_REG_FAN_TIMER 0x60 | |
45 | ||
46 | #define F75375_REG_VOLT(nr) (0x10 + (nr)) | |
47 | #define F75375_REG_VOLT_HIGH(nr) (0x20 + (nr) * 2) | |
48 | #define F75375_REG_VOLT_LOW(nr) (0x21 + (nr) * 2) | |
49 | ||
50 | #define F75375_REG_TEMP(nr) (0x14 + (nr)) | |
f58c44e6 | 51 | #define F75387_REG_TEMP11_LSB(nr) (0x1a + (nr)) |
84f1e442 RV |
52 | #define F75375_REG_TEMP_HIGH(nr) (0x28 + (nr) * 2) |
53 | #define F75375_REG_TEMP_HYST(nr) (0x29 + (nr) * 2) | |
54 | ||
55 | #define F75375_REG_FAN(nr) (0x16 + (nr) * 2) | |
56 | #define F75375_REG_FAN_MIN(nr) (0x2C + (nr) * 2) | |
57 | #define F75375_REG_FAN_FULL(nr) (0x70 + (nr) * 0x10) | |
58 | #define F75375_REG_FAN_PWM_DUTY(nr) (0x76 + (nr) * 0x10) | |
59 | #define F75375_REG_FAN_PWM_CLOCK(nr) (0x7D + (nr) * 0x10) | |
60 | ||
61 | #define F75375_REG_FAN_EXP(nr) (0x74 + (nr) * 0x10) | |
62 | #define F75375_REG_FAN_B_TEMP(nr, step) ((0xA0 + (nr) * 0x10) + (step)) | |
63 | #define F75375_REG_FAN_B_SPEED(nr, step) \ | |
64 | ((0xA5 + (nr) * 0x10) + (step) * 2) | |
65 | ||
66 | #define F75375_REG_PWM1_RAISE_DUTY 0x69 | |
67 | #define F75375_REG_PWM2_RAISE_DUTY 0x6A | |
68 | #define F75375_REG_PWM1_DROP_DUTY 0x6B | |
69 | #define F75375_REG_PWM2_DROP_DUTY 0x6C | |
70 | ||
f58c44e6 BG |
71 | #define F75375_FAN_CTRL_LINEAR(nr) (4 + nr) |
72 | #define F75387_FAN_CTRL_LINEAR(nr) (1 + ((nr) * 4)) | |
96f36408 | 73 | #define FAN_CTRL_MODE(nr) (4 + ((nr) * 2)) |
f58c44e6 BG |
74 | #define F75387_FAN_DUTY_MODE(nr) (2 + ((nr) * 4)) |
75 | #define F75387_FAN_MANU_MODE(nr) ((nr) * 4) | |
84f1e442 RV |
76 | |
77 | /* | |
78 | * Data structures and manipulation thereof | |
79 | */ | |
80 | ||
81 | struct f75375_data { | |
82 | unsigned short addr; | |
1beeffe4 | 83 | struct device *hwmon_dev; |
84f1e442 RV |
84 | |
85 | const char *name; | |
86 | int kind; | |
87 | struct mutex update_lock; /* protect register access */ | |
952a11ca | 88 | bool valid; |
84f1e442 RV |
89 | unsigned long last_updated; /* In jiffies */ |
90 | unsigned long last_limits; /* In jiffies */ | |
91 | ||
92 | /* Register values */ | |
93 | u8 in[4]; | |
94 | u8 in_max[4]; | |
95 | u8 in_min[4]; | |
96 | u16 fan[2]; | |
97 | u16 fan_min[2]; | |
740f6be3 GR |
98 | u16 fan_max[2]; |
99 | u16 fan_target[2]; | |
84f1e442 RV |
100 | u8 fan_timer; |
101 | u8 pwm[2]; | |
102 | u8 pwm_mode[2]; | |
103 | u8 pwm_enable[2]; | |
f58c44e6 BG |
104 | /* |
105 | * f75387: For remote temperature reading, it uses signed 11-bit | |
106 | * values with LSB = 0.125 degree Celsius, left-justified in 16-bit | |
107 | * registers. For original 8-bit temp readings, the LSB just is 0. | |
108 | */ | |
109 | s16 temp11[2]; | |
84f1e442 RV |
110 | s8 temp_high[2]; |
111 | s8 temp_max_hyst[2]; | |
112 | }; | |
113 | ||
310ec792 | 114 | static int f75375_detect(struct i2c_client *client, |
935ada8c | 115 | struct i2c_board_info *info); |
f7bd7b54 | 116 | static int f75375_probe(struct i2c_client *client); |
ed5c2f5f | 117 | static void f75375_remove(struct i2c_client *client); |
84f1e442 | 118 | |
3760f736 JD |
119 | static const struct i2c_device_id f75375_id[] = { |
120 | { "f75373", f75373 }, | |
121 | { "f75375", f75375 }, | |
f58c44e6 | 122 | { "f75387", f75387 }, |
3760f736 JD |
123 | { } |
124 | }; | |
125 | MODULE_DEVICE_TABLE(i2c, f75375_id); | |
126 | ||
620c142d | 127 | static struct i2c_driver f75375_driver = { |
935ada8c | 128 | .class = I2C_CLASS_HWMON, |
620c142d RV |
129 | .driver = { |
130 | .name = "f75375", | |
131 | }, | |
1975d167 | 132 | .probe = f75375_probe, |
620c142d | 133 | .remove = f75375_remove, |
3760f736 | 134 | .id_table = f75375_id, |
935ada8c | 135 | .detect = f75375_detect, |
c3813d6a | 136 | .address_list = normal_i2c, |
620c142d RV |
137 | }; |
138 | ||
84f1e442 RV |
139 | static inline int f75375_read8(struct i2c_client *client, u8 reg) |
140 | { | |
141 | return i2c_smbus_read_byte_data(client, reg); | |
142 | } | |
143 | ||
144 | /* in most cases, should be called while holding update_lock */ | |
145 | static inline u16 f75375_read16(struct i2c_client *client, u8 reg) | |
146 | { | |
4fd826ef GR |
147 | return (i2c_smbus_read_byte_data(client, reg) << 8) |
148 | | i2c_smbus_read_byte_data(client, reg + 1); | |
84f1e442 RV |
149 | } |
150 | ||
151 | static inline void f75375_write8(struct i2c_client *client, u8 reg, | |
152 | u8 value) | |
153 | { | |
154 | i2c_smbus_write_byte_data(client, reg, value); | |
155 | } | |
156 | ||
157 | static inline void f75375_write16(struct i2c_client *client, u8 reg, | |
158 | u16 value) | |
159 | { | |
eb2f255b | 160 | int err = i2c_smbus_write_byte_data(client, reg, (value >> 8)); |
84f1e442 RV |
161 | if (err) |
162 | return; | |
163 | i2c_smbus_write_byte_data(client, reg + 1, (value & 0xFF)); | |
164 | } | |
165 | ||
331255d3 NS |
166 | static void f75375_write_pwm(struct i2c_client *client, int nr) |
167 | { | |
168 | struct f75375_data *data = i2c_get_clientdata(client); | |
169 | if (data->kind == f75387) | |
170 | f75375_write16(client, F75375_REG_FAN_EXP(nr), data->pwm[nr]); | |
171 | else | |
172 | f75375_write8(client, F75375_REG_FAN_PWM_DUTY(nr), | |
173 | data->pwm[nr]); | |
174 | } | |
175 | ||
84f1e442 RV |
176 | static struct f75375_data *f75375_update_device(struct device *dev) |
177 | { | |
178 | struct i2c_client *client = to_i2c_client(dev); | |
179 | struct f75375_data *data = i2c_get_clientdata(client); | |
180 | int nr; | |
181 | ||
182 | mutex_lock(&data->update_lock); | |
183 | ||
184 | /* Limit registers cache is refreshed after 60 seconds */ | |
185 | if (time_after(jiffies, data->last_limits + 60 * HZ) | |
186 | || !data->valid) { | |
187 | for (nr = 0; nr < 2; nr++) { | |
188 | data->temp_high[nr] = | |
189 | f75375_read8(client, F75375_REG_TEMP_HIGH(nr)); | |
190 | data->temp_max_hyst[nr] = | |
191 | f75375_read8(client, F75375_REG_TEMP_HYST(nr)); | |
740f6be3 | 192 | data->fan_max[nr] = |
84f1e442 RV |
193 | f75375_read16(client, F75375_REG_FAN_FULL(nr)); |
194 | data->fan_min[nr] = | |
195 | f75375_read16(client, F75375_REG_FAN_MIN(nr)); | |
740f6be3 | 196 | data->fan_target[nr] = |
84f1e442 | 197 | f75375_read16(client, F75375_REG_FAN_EXP(nr)); |
84f1e442 RV |
198 | } |
199 | for (nr = 0; nr < 4; nr++) { | |
200 | data->in_max[nr] = | |
201 | f75375_read8(client, F75375_REG_VOLT_HIGH(nr)); | |
202 | data->in_min[nr] = | |
203 | f75375_read8(client, F75375_REG_VOLT_LOW(nr)); | |
204 | } | |
205 | data->fan_timer = f75375_read8(client, F75375_REG_FAN_TIMER); | |
206 | data->last_limits = jiffies; | |
207 | } | |
208 | ||
209 | /* Measurement registers cache is refreshed after 2 second */ | |
210 | if (time_after(jiffies, data->last_updated + 2 * HZ) | |
211 | || !data->valid) { | |
212 | for (nr = 0; nr < 2; nr++) { | |
a1c1baf0 NS |
213 | data->pwm[nr] = f75375_read8(client, |
214 | F75375_REG_FAN_PWM_DUTY(nr)); | |
f58c44e6 BG |
215 | /* assign MSB, therefore shift it by 8 bits */ |
216 | data->temp11[nr] = | |
217 | f75375_read8(client, F75375_REG_TEMP(nr)) << 8; | |
218 | if (data->kind == f75387) | |
219 | /* merge F75387's temperature LSB (11-bit) */ | |
220 | data->temp11[nr] |= | |
221 | f75375_read8(client, | |
222 | F75387_REG_TEMP11_LSB(nr)); | |
84f1e442 RV |
223 | data->fan[nr] = |
224 | f75375_read16(client, F75375_REG_FAN(nr)); | |
225 | } | |
226 | for (nr = 0; nr < 4; nr++) | |
227 | data->in[nr] = | |
228 | f75375_read8(client, F75375_REG_VOLT(nr)); | |
229 | ||
230 | data->last_updated = jiffies; | |
952a11ca | 231 | data->valid = true; |
84f1e442 RV |
232 | } |
233 | ||
234 | mutex_unlock(&data->update_lock); | |
235 | return data; | |
236 | } | |
237 | ||
238 | static inline u16 rpm_from_reg(u16 reg) | |
239 | { | |
240 | if (reg == 0 || reg == 0xffff) | |
241 | return 0; | |
4fd826ef | 242 | return 1500000 / reg; |
84f1e442 RV |
243 | } |
244 | ||
245 | static inline u16 rpm_to_reg(int rpm) | |
246 | { | |
247 | if (rpm < 367 || rpm > 0xffff) | |
248 | return 0xffff; | |
4fd826ef | 249 | return 1500000 / rpm; |
84f1e442 RV |
250 | } |
251 | ||
b17d6561 NS |
252 | static bool duty_mode_enabled(u8 pwm_enable) |
253 | { | |
254 | switch (pwm_enable) { | |
255 | case 0: /* Manual, duty mode (full speed) */ | |
256 | case 1: /* Manual, duty mode */ | |
257 | case 4: /* Auto, duty mode */ | |
258 | return true; | |
259 | case 2: /* Auto, speed mode */ | |
260 | case 3: /* Manual, speed mode */ | |
261 | return false; | |
262 | default: | |
39b103b4 | 263 | WARN(1, "Unexpected pwm_enable value %d\n", pwm_enable); |
6394011d | 264 | return true; |
b17d6561 NS |
265 | } |
266 | } | |
267 | ||
15d1ad0c NS |
268 | static bool auto_mode_enabled(u8 pwm_enable) |
269 | { | |
270 | switch (pwm_enable) { | |
271 | case 0: /* Manual, duty mode (full speed) */ | |
272 | case 1: /* Manual, duty mode */ | |
273 | case 3: /* Manual, speed mode */ | |
274 | return false; | |
275 | case 2: /* Auto, speed mode */ | |
276 | case 4: /* Auto, duty mode */ | |
277 | return true; | |
278 | default: | |
39b103b4 | 279 | WARN(1, "Unexpected pwm_enable value %d\n", pwm_enable); |
6394011d | 280 | return false; |
15d1ad0c NS |
281 | } |
282 | } | |
283 | ||
84f1e442 RV |
284 | static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr, |
285 | const char *buf, size_t count) | |
286 | { | |
287 | int nr = to_sensor_dev_attr(attr)->index; | |
288 | struct i2c_client *client = to_i2c_client(dev); | |
289 | struct f75375_data *data = i2c_get_clientdata(client); | |
4fd826ef GR |
290 | unsigned long val; |
291 | int err; | |
292 | ||
293 | err = kstrtoul(buf, 10, &val); | |
294 | if (err < 0) | |
295 | return err; | |
84f1e442 RV |
296 | |
297 | mutex_lock(&data->update_lock); | |
298 | data->fan_min[nr] = rpm_to_reg(val); | |
299 | f75375_write16(client, F75375_REG_FAN_MIN(nr), data->fan_min[nr]); | |
300 | mutex_unlock(&data->update_lock); | |
301 | return count; | |
302 | } | |
303 | ||
740f6be3 | 304 | static ssize_t set_fan_target(struct device *dev, struct device_attribute *attr, |
84f1e442 RV |
305 | const char *buf, size_t count) |
306 | { | |
307 | int nr = to_sensor_dev_attr(attr)->index; | |
308 | struct i2c_client *client = to_i2c_client(dev); | |
309 | struct f75375_data *data = i2c_get_clientdata(client); | |
4fd826ef GR |
310 | unsigned long val; |
311 | int err; | |
312 | ||
313 | err = kstrtoul(buf, 10, &val); | |
314 | if (err < 0) | |
315 | return err; | |
84f1e442 | 316 | |
15d1ad0c NS |
317 | if (auto_mode_enabled(data->pwm_enable[nr])) |
318 | return -EINVAL; | |
319 | if (data->kind == f75387 && duty_mode_enabled(data->pwm_enable[nr])) | |
320 | return -EINVAL; | |
321 | ||
84f1e442 | 322 | mutex_lock(&data->update_lock); |
740f6be3 GR |
323 | data->fan_target[nr] = rpm_to_reg(val); |
324 | f75375_write16(client, F75375_REG_FAN_EXP(nr), data->fan_target[nr]); | |
84f1e442 RV |
325 | mutex_unlock(&data->update_lock); |
326 | return count; | |
327 | } | |
328 | ||
329 | static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, | |
330 | const char *buf, size_t count) | |
331 | { | |
332 | int nr = to_sensor_dev_attr(attr)->index; | |
333 | struct i2c_client *client = to_i2c_client(dev); | |
334 | struct f75375_data *data = i2c_get_clientdata(client); | |
4fd826ef GR |
335 | unsigned long val; |
336 | int err; | |
337 | ||
338 | err = kstrtoul(buf, 10, &val); | |
339 | if (err < 0) | |
340 | return err; | |
84f1e442 | 341 | |
15d1ad0c NS |
342 | if (auto_mode_enabled(data->pwm_enable[nr]) || |
343 | !duty_mode_enabled(data->pwm_enable[nr])) | |
344 | return -EINVAL; | |
345 | ||
84f1e442 | 346 | mutex_lock(&data->update_lock); |
2a844c14 | 347 | data->pwm[nr] = clamp_val(val, 0, 255); |
331255d3 | 348 | f75375_write_pwm(client, nr); |
84f1e442 RV |
349 | mutex_unlock(&data->update_lock); |
350 | return count; | |
351 | } | |
352 | ||
353 | static ssize_t show_pwm_enable(struct device *dev, struct device_attribute | |
354 | *attr, char *buf) | |
355 | { | |
356 | int nr = to_sensor_dev_attr(attr)->index; | |
357 | struct f75375_data *data = f75375_update_device(dev); | |
358 | return sprintf(buf, "%d\n", data->pwm_enable[nr]); | |
359 | } | |
360 | ||
ff312d07 | 361 | static int set_pwm_enable_direct(struct i2c_client *client, int nr, int val) |
84f1e442 | 362 | { |
84f1e442 | 363 | struct f75375_data *data = i2c_get_clientdata(client); |
84f1e442 RV |
364 | u8 fanmode; |
365 | ||
b17d6561 | 366 | if (val < 0 || val > 4) |
84f1e442 RV |
367 | return -EINVAL; |
368 | ||
84f1e442 | 369 | fanmode = f75375_read8(client, F75375_REG_FAN_TIMER); |
f58c44e6 | 370 | if (data->kind == f75387) { |
b17d6561 NS |
371 | /* For now, deny dangerous toggling of duty mode */ |
372 | if (duty_mode_enabled(data->pwm_enable[nr]) != | |
373 | duty_mode_enabled(val)) | |
374 | return -EOPNOTSUPP; | |
f58c44e6 BG |
375 | /* clear each fanX_mode bit before setting them properly */ |
376 | fanmode &= ~(1 << F75387_FAN_DUTY_MODE(nr)); | |
377 | fanmode &= ~(1 << F75387_FAN_MANU_MODE(nr)); | |
378 | switch (val) { | |
379 | case 0: /* full speed */ | |
380 | fanmode |= (1 << F75387_FAN_MANU_MODE(nr)); | |
381 | fanmode |= (1 << F75387_FAN_DUTY_MODE(nr)); | |
382 | data->pwm[nr] = 255; | |
f58c44e6 BG |
383 | break; |
384 | case 1: /* PWM */ | |
385 | fanmode |= (1 << F75387_FAN_MANU_MODE(nr)); | |
386 | fanmode |= (1 << F75387_FAN_DUTY_MODE(nr)); | |
387 | break; | |
b17d6561 | 388 | case 2: /* Automatic, speed mode */ |
f58c44e6 BG |
389 | break; |
390 | case 3: /* fan speed */ | |
391 | fanmode |= (1 << F75387_FAN_MANU_MODE(nr)); | |
392 | break; | |
b17d6561 NS |
393 | case 4: /* Automatic, pwm */ |
394 | fanmode |= (1 << F75387_FAN_DUTY_MODE(nr)); | |
395 | break; | |
f58c44e6 BG |
396 | } |
397 | } else { | |
398 | /* clear each fanX_mode bit before setting them properly */ | |
399 | fanmode &= ~(3 << FAN_CTRL_MODE(nr)); | |
400 | switch (val) { | |
401 | case 0: /* full speed */ | |
402 | fanmode |= (3 << FAN_CTRL_MODE(nr)); | |
403 | data->pwm[nr] = 255; | |
f58c44e6 BG |
404 | break; |
405 | case 1: /* PWM */ | |
406 | fanmode |= (3 << FAN_CTRL_MODE(nr)); | |
407 | break; | |
408 | case 2: /* AUTOMATIC*/ | |
09e87e5c | 409 | fanmode |= (1 << FAN_CTRL_MODE(nr)); |
f58c44e6 BG |
410 | break; |
411 | case 3: /* fan speed */ | |
412 | break; | |
b17d6561 NS |
413 | case 4: /* Automatic pwm */ |
414 | return -EINVAL; | |
f58c44e6 | 415 | } |
84f1e442 | 416 | } |
f58c44e6 | 417 | |
84f1e442 RV |
418 | f75375_write8(client, F75375_REG_FAN_TIMER, fanmode); |
419 | data->pwm_enable[nr] = val; | |
c1c1a3d0 | 420 | if (val == 0) |
331255d3 | 421 | f75375_write_pwm(client, nr); |
ff312d07 RV |
422 | return 0; |
423 | } | |
424 | ||
425 | static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr, | |
426 | const char *buf, size_t count) | |
427 | { | |
428 | int nr = to_sensor_dev_attr(attr)->index; | |
429 | struct i2c_client *client = to_i2c_client(dev); | |
430 | struct f75375_data *data = i2c_get_clientdata(client); | |
4fd826ef GR |
431 | unsigned long val; |
432 | int err; | |
433 | ||
434 | err = kstrtoul(buf, 10, &val); | |
435 | if (err < 0) | |
436 | return err; | |
ff312d07 RV |
437 | |
438 | mutex_lock(&data->update_lock); | |
439 | err = set_pwm_enable_direct(client, nr, val); | |
84f1e442 | 440 | mutex_unlock(&data->update_lock); |
ff312d07 | 441 | return err ? err : count; |
84f1e442 RV |
442 | } |
443 | ||
444 | static ssize_t set_pwm_mode(struct device *dev, struct device_attribute *attr, | |
445 | const char *buf, size_t count) | |
446 | { | |
447 | int nr = to_sensor_dev_attr(attr)->index; | |
448 | struct i2c_client *client = to_i2c_client(dev); | |
449 | struct f75375_data *data = i2c_get_clientdata(client); | |
4fd826ef GR |
450 | unsigned long val; |
451 | int err; | |
452 | u8 conf; | |
f58c44e6 | 453 | char reg, ctrl; |
4fd826ef GR |
454 | |
455 | err = kstrtoul(buf, 10, &val); | |
456 | if (err < 0) | |
457 | return err; | |
84f1e442 | 458 | |
76e83bef | 459 | if (!(val == 0 || val == 1)) |
84f1e442 RV |
460 | return -EINVAL; |
461 | ||
5cd3222a GR |
462 | /* F75373 does not support DC (linear voltage) fan control mode */ |
463 | if (data->kind == f75373 && val == 0) | |
464 | return -EINVAL; | |
465 | ||
f58c44e6 BG |
466 | /* take care for different registers */ |
467 | if (data->kind == f75387) { | |
468 | reg = F75375_REG_FAN_TIMER; | |
469 | ctrl = F75387_FAN_CTRL_LINEAR(nr); | |
470 | } else { | |
471 | reg = F75375_REG_CONFIG1; | |
472 | ctrl = F75375_FAN_CTRL_LINEAR(nr); | |
473 | } | |
474 | ||
84f1e442 | 475 | mutex_lock(&data->update_lock); |
f58c44e6 BG |
476 | conf = f75375_read8(client, reg); |
477 | conf &= ~(1 << ctrl); | |
84f1e442 RV |
478 | |
479 | if (val == 0) | |
f58c44e6 | 480 | conf |= (1 << ctrl); |
84f1e442 | 481 | |
f58c44e6 | 482 | f75375_write8(client, reg, conf); |
84f1e442 RV |
483 | data->pwm_mode[nr] = val; |
484 | mutex_unlock(&data->update_lock); | |
485 | return count; | |
486 | } | |
487 | ||
488 | static ssize_t show_pwm(struct device *dev, struct device_attribute | |
489 | *attr, char *buf) | |
490 | { | |
491 | int nr = to_sensor_dev_attr(attr)->index; | |
492 | struct f75375_data *data = f75375_update_device(dev); | |
493 | return sprintf(buf, "%d\n", data->pwm[nr]); | |
494 | } | |
495 | ||
496 | static ssize_t show_pwm_mode(struct device *dev, struct device_attribute | |
497 | *attr, char *buf) | |
498 | { | |
499 | int nr = to_sensor_dev_attr(attr)->index; | |
500 | struct f75375_data *data = f75375_update_device(dev); | |
501 | return sprintf(buf, "%d\n", data->pwm_mode[nr]); | |
502 | } | |
503 | ||
504 | #define VOLT_FROM_REG(val) ((val) * 8) | |
505 | #define VOLT_TO_REG(val) ((val) / 8) | |
506 | ||
507 | static ssize_t show_in(struct device *dev, struct device_attribute *attr, | |
508 | char *buf) | |
509 | { | |
510 | int nr = to_sensor_dev_attr(attr)->index; | |
511 | struct f75375_data *data = f75375_update_device(dev); | |
512 | return sprintf(buf, "%d\n", VOLT_FROM_REG(data->in[nr])); | |
513 | } | |
514 | ||
515 | static ssize_t show_in_max(struct device *dev, struct device_attribute *attr, | |
516 | char *buf) | |
517 | { | |
518 | int nr = to_sensor_dev_attr(attr)->index; | |
519 | struct f75375_data *data = f75375_update_device(dev); | |
520 | return sprintf(buf, "%d\n", VOLT_FROM_REG(data->in_max[nr])); | |
521 | } | |
522 | ||
523 | static ssize_t show_in_min(struct device *dev, struct device_attribute *attr, | |
524 | char *buf) | |
525 | { | |
526 | int nr = to_sensor_dev_attr(attr)->index; | |
527 | struct f75375_data *data = f75375_update_device(dev); | |
528 | return sprintf(buf, "%d\n", VOLT_FROM_REG(data->in_min[nr])); | |
529 | } | |
530 | ||
531 | static ssize_t set_in_max(struct device *dev, struct device_attribute *attr, | |
532 | const char *buf, size_t count) | |
533 | { | |
534 | int nr = to_sensor_dev_attr(attr)->index; | |
535 | struct i2c_client *client = to_i2c_client(dev); | |
536 | struct f75375_data *data = i2c_get_clientdata(client); | |
4fd826ef GR |
537 | unsigned long val; |
538 | int err; | |
539 | ||
540 | err = kstrtoul(buf, 10, &val); | |
541 | if (err < 0) | |
542 | return err; | |
543 | ||
2a844c14 | 544 | val = clamp_val(VOLT_TO_REG(val), 0, 0xff); |
84f1e442 RV |
545 | mutex_lock(&data->update_lock); |
546 | data->in_max[nr] = val; | |
547 | f75375_write8(client, F75375_REG_VOLT_HIGH(nr), data->in_max[nr]); | |
548 | mutex_unlock(&data->update_lock); | |
549 | return count; | |
550 | } | |
551 | ||
552 | static ssize_t set_in_min(struct device *dev, struct device_attribute *attr, | |
553 | const char *buf, size_t count) | |
554 | { | |
555 | int nr = to_sensor_dev_attr(attr)->index; | |
556 | struct i2c_client *client = to_i2c_client(dev); | |
557 | struct f75375_data *data = i2c_get_clientdata(client); | |
4fd826ef GR |
558 | unsigned long val; |
559 | int err; | |
560 | ||
561 | err = kstrtoul(buf, 10, &val); | |
562 | if (err < 0) | |
563 | return err; | |
564 | ||
2a844c14 | 565 | val = clamp_val(VOLT_TO_REG(val), 0, 0xff); |
84f1e442 RV |
566 | mutex_lock(&data->update_lock); |
567 | data->in_min[nr] = val; | |
568 | f75375_write8(client, F75375_REG_VOLT_LOW(nr), data->in_min[nr]); | |
569 | mutex_unlock(&data->update_lock); | |
570 | return count; | |
571 | } | |
572 | #define TEMP_FROM_REG(val) ((val) * 1000) | |
573 | #define TEMP_TO_REG(val) ((val) / 1000) | |
f58c44e6 | 574 | #define TEMP11_FROM_REG(reg) ((reg) / 32 * 125) |
84f1e442 | 575 | |
f58c44e6 | 576 | static ssize_t show_temp11(struct device *dev, struct device_attribute *attr, |
84f1e442 RV |
577 | char *buf) |
578 | { | |
579 | int nr = to_sensor_dev_attr(attr)->index; | |
580 | struct f75375_data *data = f75375_update_device(dev); | |
f58c44e6 | 581 | return sprintf(buf, "%d\n", TEMP11_FROM_REG(data->temp11[nr])); |
84f1e442 RV |
582 | } |
583 | ||
584 | static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr, | |
585 | char *buf) | |
586 | { | |
587 | int nr = to_sensor_dev_attr(attr)->index; | |
588 | struct f75375_data *data = f75375_update_device(dev); | |
589 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_high[nr])); | |
590 | } | |
591 | ||
592 | static ssize_t show_temp_max_hyst(struct device *dev, | |
593 | struct device_attribute *attr, char *buf) | |
594 | { | |
595 | int nr = to_sensor_dev_attr(attr)->index; | |
596 | struct f75375_data *data = f75375_update_device(dev); | |
597 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max_hyst[nr])); | |
598 | } | |
599 | ||
600 | static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, | |
601 | const char *buf, size_t count) | |
602 | { | |
603 | int nr = to_sensor_dev_attr(attr)->index; | |
604 | struct i2c_client *client = to_i2c_client(dev); | |
605 | struct f75375_data *data = i2c_get_clientdata(client); | |
4fd826ef GR |
606 | unsigned long val; |
607 | int err; | |
608 | ||
609 | err = kstrtoul(buf, 10, &val); | |
610 | if (err < 0) | |
611 | return err; | |
612 | ||
2a844c14 | 613 | val = clamp_val(TEMP_TO_REG(val), 0, 127); |
84f1e442 RV |
614 | mutex_lock(&data->update_lock); |
615 | data->temp_high[nr] = val; | |
616 | f75375_write8(client, F75375_REG_TEMP_HIGH(nr), data->temp_high[nr]); | |
617 | mutex_unlock(&data->update_lock); | |
618 | return count; | |
619 | } | |
620 | ||
621 | static ssize_t set_temp_max_hyst(struct device *dev, | |
622 | struct device_attribute *attr, const char *buf, size_t count) | |
623 | { | |
624 | int nr = to_sensor_dev_attr(attr)->index; | |
625 | struct i2c_client *client = to_i2c_client(dev); | |
626 | struct f75375_data *data = i2c_get_clientdata(client); | |
4fd826ef GR |
627 | unsigned long val; |
628 | int err; | |
629 | ||
630 | err = kstrtoul(buf, 10, &val); | |
631 | if (err < 0) | |
632 | return err; | |
633 | ||
2a844c14 | 634 | val = clamp_val(TEMP_TO_REG(val), 0, 127); |
84f1e442 RV |
635 | mutex_lock(&data->update_lock); |
636 | data->temp_max_hyst[nr] = val; | |
637 | f75375_write8(client, F75375_REG_TEMP_HYST(nr), | |
638 | data->temp_max_hyst[nr]); | |
639 | mutex_unlock(&data->update_lock); | |
640 | return count; | |
641 | } | |
642 | ||
643 | #define show_fan(thing) \ | |
644 | static ssize_t show_##thing(struct device *dev, struct device_attribute *attr, \ | |
645 | char *buf)\ | |
646 | {\ | |
647 | int nr = to_sensor_dev_attr(attr)->index;\ | |
648 | struct f75375_data *data = f75375_update_device(dev); \ | |
649 | return sprintf(buf, "%d\n", rpm_from_reg(data->thing[nr])); \ | |
650 | } | |
651 | ||
652 | show_fan(fan); | |
653 | show_fan(fan_min); | |
740f6be3 GR |
654 | show_fan(fan_max); |
655 | show_fan(fan_target); | |
84f1e442 RV |
656 | |
657 | static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_in, NULL, 0); | |
658 | static SENSOR_DEVICE_ATTR(in0_max, S_IRUGO|S_IWUSR, | |
659 | show_in_max, set_in_max, 0); | |
660 | static SENSOR_DEVICE_ATTR(in0_min, S_IRUGO|S_IWUSR, | |
661 | show_in_min, set_in_min, 0); | |
662 | static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 1); | |
663 | static SENSOR_DEVICE_ATTR(in1_max, S_IRUGO|S_IWUSR, | |
664 | show_in_max, set_in_max, 1); | |
665 | static SENSOR_DEVICE_ATTR(in1_min, S_IRUGO|S_IWUSR, | |
666 | show_in_min, set_in_min, 1); | |
667 | static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in, NULL, 2); | |
668 | static SENSOR_DEVICE_ATTR(in2_max, S_IRUGO|S_IWUSR, | |
669 | show_in_max, set_in_max, 2); | |
670 | static SENSOR_DEVICE_ATTR(in2_min, S_IRUGO|S_IWUSR, | |
671 | show_in_min, set_in_min, 2); | |
672 | static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in, NULL, 3); | |
673 | static SENSOR_DEVICE_ATTR(in3_max, S_IRUGO|S_IWUSR, | |
674 | show_in_max, set_in_max, 3); | |
675 | static SENSOR_DEVICE_ATTR(in3_min, S_IRUGO|S_IWUSR, | |
676 | show_in_min, set_in_min, 3); | |
f58c44e6 | 677 | static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp11, NULL, 0); |
84f1e442 RV |
678 | static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO|S_IWUSR, |
679 | show_temp_max_hyst, set_temp_max_hyst, 0); | |
680 | static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO|S_IWUSR, | |
681 | show_temp_max, set_temp_max, 0); | |
f58c44e6 | 682 | static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp11, NULL, 1); |
84f1e442 RV |
683 | static SENSOR_DEVICE_ATTR(temp2_max_hyst, S_IRUGO|S_IWUSR, |
684 | show_temp_max_hyst, set_temp_max_hyst, 1); | |
685 | static SENSOR_DEVICE_ATTR(temp2_max, S_IRUGO|S_IWUSR, | |
686 | show_temp_max, set_temp_max, 1); | |
687 | static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0); | |
740f6be3 | 688 | static SENSOR_DEVICE_ATTR(fan1_max, S_IRUGO, show_fan_max, NULL, 0); |
84f1e442 RV |
689 | static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO|S_IWUSR, |
690 | show_fan_min, set_fan_min, 0); | |
740f6be3 GR |
691 | static SENSOR_DEVICE_ATTR(fan1_target, S_IRUGO|S_IWUSR, |
692 | show_fan_target, set_fan_target, 0); | |
84f1e442 | 693 | static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1); |
740f6be3 | 694 | static SENSOR_DEVICE_ATTR(fan2_max, S_IRUGO, show_fan_max, NULL, 1); |
84f1e442 RV |
695 | static SENSOR_DEVICE_ATTR(fan2_min, S_IRUGO|S_IWUSR, |
696 | show_fan_min, set_fan_min, 1); | |
740f6be3 GR |
697 | static SENSOR_DEVICE_ATTR(fan2_target, S_IRUGO|S_IWUSR, |
698 | show_fan_target, set_fan_target, 1); | |
84f1e442 RV |
699 | static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR, |
700 | show_pwm, set_pwm, 0); | |
701 | static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR, | |
702 | show_pwm_enable, set_pwm_enable, 0); | |
76e83bef | 703 | static SENSOR_DEVICE_ATTR(pwm1_mode, S_IRUGO, |
84f1e442 RV |
704 | show_pwm_mode, set_pwm_mode, 0); |
705 | static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR, | |
706 | show_pwm, set_pwm, 1); | |
707 | static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR, | |
708 | show_pwm_enable, set_pwm_enable, 1); | |
76e83bef | 709 | static SENSOR_DEVICE_ATTR(pwm2_mode, S_IRUGO, |
84f1e442 RV |
710 | show_pwm_mode, set_pwm_mode, 1); |
711 | ||
712 | static struct attribute *f75375_attributes[] = { | |
713 | &sensor_dev_attr_temp1_input.dev_attr.attr, | |
714 | &sensor_dev_attr_temp1_max.dev_attr.attr, | |
715 | &sensor_dev_attr_temp1_max_hyst.dev_attr.attr, | |
716 | &sensor_dev_attr_temp2_input.dev_attr.attr, | |
717 | &sensor_dev_attr_temp2_max.dev_attr.attr, | |
718 | &sensor_dev_attr_temp2_max_hyst.dev_attr.attr, | |
719 | &sensor_dev_attr_fan1_input.dev_attr.attr, | |
740f6be3 | 720 | &sensor_dev_attr_fan1_max.dev_attr.attr, |
84f1e442 | 721 | &sensor_dev_attr_fan1_min.dev_attr.attr, |
740f6be3 | 722 | &sensor_dev_attr_fan1_target.dev_attr.attr, |
84f1e442 | 723 | &sensor_dev_attr_fan2_input.dev_attr.attr, |
740f6be3 | 724 | &sensor_dev_attr_fan2_max.dev_attr.attr, |
84f1e442 | 725 | &sensor_dev_attr_fan2_min.dev_attr.attr, |
740f6be3 | 726 | &sensor_dev_attr_fan2_target.dev_attr.attr, |
84f1e442 RV |
727 | &sensor_dev_attr_pwm1.dev_attr.attr, |
728 | &sensor_dev_attr_pwm1_enable.dev_attr.attr, | |
729 | &sensor_dev_attr_pwm1_mode.dev_attr.attr, | |
730 | &sensor_dev_attr_pwm2.dev_attr.attr, | |
731 | &sensor_dev_attr_pwm2_enable.dev_attr.attr, | |
732 | &sensor_dev_attr_pwm2_mode.dev_attr.attr, | |
733 | &sensor_dev_attr_in0_input.dev_attr.attr, | |
734 | &sensor_dev_attr_in0_max.dev_attr.attr, | |
735 | &sensor_dev_attr_in0_min.dev_attr.attr, | |
736 | &sensor_dev_attr_in1_input.dev_attr.attr, | |
737 | &sensor_dev_attr_in1_max.dev_attr.attr, | |
738 | &sensor_dev_attr_in1_min.dev_attr.attr, | |
739 | &sensor_dev_attr_in2_input.dev_attr.attr, | |
740 | &sensor_dev_attr_in2_max.dev_attr.attr, | |
741 | &sensor_dev_attr_in2_min.dev_attr.attr, | |
742 | &sensor_dev_attr_in3_input.dev_attr.attr, | |
743 | &sensor_dev_attr_in3_max.dev_attr.attr, | |
744 | &sensor_dev_attr_in3_min.dev_attr.attr, | |
745 | NULL | |
746 | }; | |
747 | ||
748 | static const struct attribute_group f75375_group = { | |
749 | .attrs = f75375_attributes, | |
750 | }; | |
751 | ||
ff312d07 RV |
752 | static void f75375_init(struct i2c_client *client, struct f75375_data *data, |
753 | struct f75375s_platform_data *f75375s_pdata) | |
754 | { | |
755 | int nr; | |
b1b561a2 GR |
756 | |
757 | if (!f75375s_pdata) { | |
758 | u8 conf, mode; | |
759 | int nr; | |
760 | ||
761 | conf = f75375_read8(client, F75375_REG_CONFIG1); | |
762 | mode = f75375_read8(client, F75375_REG_FAN_TIMER); | |
763 | for (nr = 0; nr < 2; nr++) { | |
f58c44e6 BG |
764 | if (data->kind == f75387) { |
765 | bool manu, duty; | |
766 | ||
a367a1e0 | 767 | if (!(mode & (1 << F75387_FAN_CTRL_LINEAR(nr)))) |
f58c44e6 BG |
768 | data->pwm_mode[nr] = 1; |
769 | ||
770 | manu = ((mode >> F75387_FAN_MANU_MODE(nr)) & 1); | |
771 | duty = ((mode >> F75387_FAN_DUTY_MODE(nr)) & 1); | |
b17d6561 NS |
772 | if (!manu && duty) |
773 | /* auto, pwm */ | |
774 | data->pwm_enable[nr] = 4; | |
775 | else if (manu && !duty) | |
776 | /* manual, speed */ | |
f58c44e6 | 777 | data->pwm_enable[nr] = 3; |
b17d6561 NS |
778 | else if (!manu && !duty) |
779 | /* automatic, speed */ | |
f58c44e6 BG |
780 | data->pwm_enable[nr] = 2; |
781 | else | |
b17d6561 | 782 | /* manual, pwm */ |
f58c44e6 BG |
783 | data->pwm_enable[nr] = 1; |
784 | } else { | |
785 | if (!(conf & (1 << F75375_FAN_CTRL_LINEAR(nr)))) | |
786 | data->pwm_mode[nr] = 1; | |
787 | ||
788 | switch ((mode >> FAN_CTRL_MODE(nr)) & 3) { | |
789 | case 0: /* speed */ | |
790 | data->pwm_enable[nr] = 3; | |
791 | break; | |
792 | case 1: /* automatic */ | |
793 | data->pwm_enable[nr] = 2; | |
794 | break; | |
795 | default: /* manual */ | |
796 | data->pwm_enable[nr] = 1; | |
797 | break; | |
798 | } | |
b1b561a2 GR |
799 | } |
800 | } | |
801 | return; | |
802 | } | |
803 | ||
ff312d07 RV |
804 | set_pwm_enable_direct(client, 0, f75375s_pdata->pwm_enable[0]); |
805 | set_pwm_enable_direct(client, 1, f75375s_pdata->pwm_enable[1]); | |
806 | for (nr = 0; nr < 2; nr++) { | |
15d1ad0c NS |
807 | if (auto_mode_enabled(f75375s_pdata->pwm_enable[nr]) || |
808 | !duty_mode_enabled(f75375s_pdata->pwm_enable[nr])) | |
809 | continue; | |
2a844c14 | 810 | data->pwm[nr] = clamp_val(f75375s_pdata->pwm[nr], 0, 255); |
331255d3 | 811 | f75375_write_pwm(client, nr); |
ff312d07 RV |
812 | } |
813 | ||
814 | } | |
815 | ||
f7bd7b54 | 816 | static int f75375_probe(struct i2c_client *client) |
620c142d | 817 | { |
51b3e270 | 818 | struct f75375_data *data; |
a8b3a3a5 JH |
819 | struct f75375s_platform_data *f75375s_pdata = |
820 | dev_get_platdata(&client->dev); | |
620c142d RV |
821 | int err; |
822 | ||
823 | if (!i2c_check_functionality(client->adapter, | |
824 | I2C_FUNC_SMBUS_BYTE_DATA)) | |
825 | return -EIO; | |
05639bcb GR |
826 | data = devm_kzalloc(&client->dev, sizeof(struct f75375_data), |
827 | GFP_KERNEL); | |
4fd826ef | 828 | if (!data) |
620c142d RV |
829 | return -ENOMEM; |
830 | ||
831 | i2c_set_clientdata(client, data); | |
620c142d | 832 | mutex_init(&data->update_lock); |
f7bd7b54 | 833 | data->kind = i2c_match_id(f75375_id, client)->driver_data; |
620c142d | 834 | |
4fd826ef GR |
835 | err = sysfs_create_group(&client->dev.kobj, &f75375_group); |
836 | if (err) | |
05639bcb | 837 | return err; |
620c142d | 838 | |
edeea102 | 839 | if (data->kind != f75373) { |
76e83bef RV |
840 | err = sysfs_chmod_file(&client->dev.kobj, |
841 | &sensor_dev_attr_pwm1_mode.dev_attr.attr, | |
842 | S_IRUGO | S_IWUSR); | |
843 | if (err) | |
844 | goto exit_remove; | |
845 | err = sysfs_chmod_file(&client->dev.kobj, | |
846 | &sensor_dev_attr_pwm2_mode.dev_attr.attr, | |
847 | S_IRUGO | S_IWUSR); | |
848 | if (err) | |
849 | goto exit_remove; | |
850 | } | |
851 | ||
620c142d RV |
852 | data->hwmon_dev = hwmon_device_register(&client->dev); |
853 | if (IS_ERR(data->hwmon_dev)) { | |
854 | err = PTR_ERR(data->hwmon_dev); | |
855 | goto exit_remove; | |
856 | } | |
857 | ||
b1b561a2 | 858 | f75375_init(client, data, f75375s_pdata); |
ff312d07 | 859 | |
620c142d RV |
860 | return 0; |
861 | ||
862 | exit_remove: | |
863 | sysfs_remove_group(&client->dev.kobj, &f75375_group); | |
620c142d RV |
864 | return err; |
865 | } | |
866 | ||
ed5c2f5f | 867 | static void f75375_remove(struct i2c_client *client) |
620c142d RV |
868 | { |
869 | struct f75375_data *data = i2c_get_clientdata(client); | |
870 | hwmon_device_unregister(data->hwmon_dev); | |
871 | sysfs_remove_group(&client->dev.kobj, &f75375_group); | |
84f1e442 RV |
872 | } |
873 | ||
935ada8c | 874 | /* Return 0 if detection is successful, -ENODEV otherwise */ |
310ec792 | 875 | static int f75375_detect(struct i2c_client *client, |
935ada8c | 876 | struct i2c_board_info *info) |
84f1e442 | 877 | { |
935ada8c | 878 | struct i2c_adapter *adapter = client->adapter; |
52df6440 JD |
879 | u16 vendid, chipid; |
880 | u8 version; | |
881 | const char *name; | |
84f1e442 | 882 | |
52df6440 JD |
883 | vendid = f75375_read16(client, F75375_REG_VENDOR); |
884 | chipid = f75375_read16(client, F75375_CHIP_ID); | |
f58c44e6 BG |
885 | if (vendid != 0x1934) |
886 | return -ENODEV; | |
887 | ||
888 | if (chipid == 0x0306) | |
84f1e442 | 889 | name = "f75375"; |
f58c44e6 | 890 | else if (chipid == 0x0204) |
84f1e442 | 891 | name = "f75373"; |
f58c44e6 BG |
892 | else if (chipid == 0x0410) |
893 | name = "f75387"; | |
52df6440 JD |
894 | else |
895 | return -ENODEV; | |
896 | ||
897 | version = f75375_read8(client, F75375_REG_VERSION); | |
84f1e442 | 898 | dev_info(&adapter->dev, "found %s version: %02X\n", name, version); |
f2f394db | 899 | strscpy(info->type, name, I2C_NAME_SIZE); |
84f1e442 | 900 | |
84f1e442 | 901 | return 0; |
84f1e442 RV |
902 | } |
903 | ||
f0967eea | 904 | module_i2c_driver(f75375_driver); |
84f1e442 | 905 | |
b26e0ed4 | 906 | MODULE_AUTHOR("Riku Voipio"); |
84f1e442 | 907 | MODULE_LICENSE("GPL"); |
f58c44e6 | 908 | MODULE_DESCRIPTION("F75373/F75375/F75387 hardware monitoring driver"); |