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iwlwifi: don't include iwl-dev.h from iwl-devtrace.h
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / hwmon / f75375s.c
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84f1e442
RV		 1/*
2 * f75375s.c - driver for the Fintek F75375/SP and F75373
3 * hardware monitoring features
b26e0ed4 4 * Copyright (C) 2006-2007 Riku Voipio
84f1e442
RV		 5 *
6 * Datasheets available at:
7 *
8 * f75375:
9 * http://www.fintek.com.tw/files/productfiles/2005111152950.pdf
10 *
11 * f75373:
12 * http://www.fintek.com.tw/files/productfiles/2005111153128.pdf
13 *
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
18 *
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 *
28 */
29
30#include <linux/module.h>
31#include <linux/jiffies.h>
32#include <linux/hwmon.h>
33#include <linux/hwmon-sysfs.h>
34#include <linux/i2c.h>
35#include <linux/err.h>
36#include <linux/mutex.h>
ff312d07 37#include <linux/f75375s.h>
84f1e442
RV		 38
39/* Addresses to scan */
25e9c86d 40static const unsigned short normal_i2c[] = { 0x2d, 0x2e, I2C_CLIENT_END };
84f1e442 41
e5e9f44c 42enum chips { f75373, f75375 };
84f1e442
RV		 43
44/* Fintek F75375 registers */
45#define F75375_REG_CONFIG0 0x0
46#define F75375_REG_CONFIG1 0x1
47#define F75375_REG_CONFIG2 0x2
48#define F75375_REG_CONFIG3 0x3
49#define F75375_REG_ADDR 0x4
50#define F75375_REG_INTR 0x31
51#define F75375_CHIP_ID 0x5A
52#define F75375_REG_VERSION 0x5C
53#define F75375_REG_VENDOR 0x5D
54#define F75375_REG_FAN_TIMER 0x60
55
56#define F75375_REG_VOLT(nr) (0x10 + (nr))
57#define F75375_REG_VOLT_HIGH(nr) (0x20 + (nr) * 2)
58#define F75375_REG_VOLT_LOW(nr) (0x21 + (nr) * 2)
59
60#define F75375_REG_TEMP(nr) (0x14 + (nr))
61#define F75375_REG_TEMP_HIGH(nr) (0x28 + (nr) * 2)
62#define F75375_REG_TEMP_HYST(nr) (0x29 + (nr) * 2)
63
64#define F75375_REG_FAN(nr) (0x16 + (nr) * 2)
65#define F75375_REG_FAN_MIN(nr) (0x2C + (nr) * 2)
66#define F75375_REG_FAN_FULL(nr) (0x70 + (nr) * 0x10)
67#define F75375_REG_FAN_PWM_DUTY(nr) (0x76 + (nr) * 0x10)
68#define F75375_REG_FAN_PWM_CLOCK(nr) (0x7D + (nr) * 0x10)
69
70#define F75375_REG_FAN_EXP(nr) (0x74 + (nr) * 0x10)
71#define F75375_REG_FAN_B_TEMP(nr, step) ((0xA0 + (nr) * 0x10) + (step))
72#define F75375_REG_FAN_B_SPEED(nr, step) \
73 ((0xA5 + (nr) * 0x10) + (step) * 2)
74
75#define F75375_REG_PWM1_RAISE_DUTY 0x69
76#define F75375_REG_PWM2_RAISE_DUTY 0x6A
77#define F75375_REG_PWM1_DROP_DUTY 0x6B
78#define F75375_REG_PWM2_DROP_DUTY 0x6C
79
80#define FAN_CTRL_LINEAR(nr) (4 + nr)
81#define FAN_CTRL_MODE(nr) (5 + ((nr) * 2))
82
83/*
84 * Data structures and manipulation thereof
85 */
86
87struct f75375_data {
88 unsigned short addr;
1beeffe4 89 struct device *hwmon_dev;
84f1e442
RV		 90
91 const char *name;
92 int kind;
93 struct mutex update_lock; /* protect register access */
94 char valid;
95 unsigned long last_updated; /* In jiffies */
96 unsigned long last_limits; /* In jiffies */
97
98 /* Register values */
99 u8 in[4];
100 u8 in_max[4];
101 u8 in_min[4];
102 u16 fan[2];
103 u16 fan_min[2];
104 u16 fan_full[2];
105 u16 fan_exp[2];
106 u8 fan_timer;
107 u8 pwm[2];
108 u8 pwm_mode[2];
109 u8 pwm_enable[2];
110 s8 temp[2];
111 s8 temp_high[2];
112 s8 temp_max_hyst[2];
113};
114
310ec792 115static int f75375_detect(struct i2c_client *client,
935ada8c 116 struct i2c_board_info *info);
d2653e92
JD		 117static int f75375_probe(struct i2c_client *client,
118 const struct i2c_device_id *id);
620c142d 119static int f75375_remove(struct i2c_client *client);
84f1e442 120
3760f736
JD		 121static const struct i2c_device_id f75375_id[] = {
122 { "f75373", f75373 },
123 { "f75375", f75375 },
124 { }
125};
126MODULE_DEVICE_TABLE(i2c, f75375_id);
127
620c142d 128static struct i2c_driver f75375_driver = {
935ada8c 129 .class = I2C_CLASS_HWMON,
620c142d
RV		 130 .driver = {
131 .name = "f75375",
132 },
133 .probe = f75375_probe,
134 .remove = f75375_remove,
3760f736 135 .id_table = f75375_id,
935ada8c 136 .detect = f75375_detect,
c3813d6a 137 .address_list = normal_i2c,
620c142d
RV		 138};
139
84f1e442
RV		 140static inline int f75375_read8(struct i2c_client *client, u8 reg)
141{
142 return i2c_smbus_read_byte_data(client, reg);
143}
144
145/* in most cases, should be called while holding update_lock */
146static inline u16 f75375_read16(struct i2c_client *client, u8 reg)
147{
148 return ((i2c_smbus_read_byte_data(client, reg) << 8)
149 | i2c_smbus_read_byte_data(client, reg + 1));
150}
151
152static inline void f75375_write8(struct i2c_client *client, u8 reg,
153 u8 value)
154{
155 i2c_smbus_write_byte_data(client, reg, value);
156}
157
158static inline void f75375_write16(struct i2c_client *client, u8 reg,
159 u16 value)
160{
161 int err = i2c_smbus_write_byte_data(client, reg, (value << 8));
162 if (err)
163 return;
164 i2c_smbus_write_byte_data(client, reg + 1, (value & 0xFF));
165}
166
167static struct f75375_data *f75375_update_device(struct device *dev)
168{
169 struct i2c_client *client = to_i2c_client(dev);
170 struct f75375_data *data = i2c_get_clientdata(client);
171 int nr;
172
173 mutex_lock(&data->update_lock);
174
175 /* Limit registers cache is refreshed after 60 seconds */
176 if (time_after(jiffies, data->last_limits + 60 * HZ)
177 || !data->valid) {
178 for (nr = 0; nr < 2; nr++) {
179 data->temp_high[nr] =
180 f75375_read8(client, F75375_REG_TEMP_HIGH(nr));
181 data->temp_max_hyst[nr] =
182 f75375_read8(client, F75375_REG_TEMP_HYST(nr));
183 data->fan_full[nr] =
184 f75375_read16(client, F75375_REG_FAN_FULL(nr));
185 data->fan_min[nr] =
186 f75375_read16(client, F75375_REG_FAN_MIN(nr));
187 data->fan_exp[nr] =
188 f75375_read16(client, F75375_REG_FAN_EXP(nr));
189 data->pwm[nr] = f75375_read8(client,
190 F75375_REG_FAN_PWM_DUTY(nr));
191
192 }
193 for (nr = 0; nr < 4; nr++) {
194 data->in_max[nr] =
195 f75375_read8(client, F75375_REG_VOLT_HIGH(nr));
196 data->in_min[nr] =
197 f75375_read8(client, F75375_REG_VOLT_LOW(nr));
198 }
199 data->fan_timer = f75375_read8(client, F75375_REG_FAN_TIMER);
200 data->last_limits = jiffies;
201 }
202
203 /* Measurement registers cache is refreshed after 2 second */
204 if (time_after(jiffies, data->last_updated + 2 * HZ)
205 || !data->valid) {
206 for (nr = 0; nr < 2; nr++) {
207 data->temp[nr] =
208 f75375_read8(client, F75375_REG_TEMP(nr));
209 data->fan[nr] =
210 f75375_read16(client, F75375_REG_FAN(nr));
211 }
212 for (nr = 0; nr < 4; nr++)
213 data->in[nr] =
214 f75375_read8(client, F75375_REG_VOLT(nr));
215
216 data->last_updated = jiffies;
217 data->valid = 1;
218 }
219
220 mutex_unlock(&data->update_lock);
221 return data;
222}
223
224static inline u16 rpm_from_reg(u16 reg)
225{
226 if (reg == 0 || reg == 0xffff)
227 return 0;
228 return (1500000 / reg);
229}
230
231static inline u16 rpm_to_reg(int rpm)
232{
233 if (rpm < 367 || rpm > 0xffff)
234 return 0xffff;
235 return (1500000 / rpm);
236}
237
238static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
239 const char *buf, size_t count)
240{
241 int nr = to_sensor_dev_attr(attr)->index;
242 struct i2c_client *client = to_i2c_client(dev);
243 struct f75375_data *data = i2c_get_clientdata(client);
244 int val = simple_strtoul(buf, NULL, 10);
245
246 mutex_lock(&data->update_lock);
247 data->fan_min[nr] = rpm_to_reg(val);
248 f75375_write16(client, F75375_REG_FAN_MIN(nr), data->fan_min[nr]);
249 mutex_unlock(&data->update_lock);
250 return count;
251}
252
253static ssize_t set_fan_exp(struct device *dev, struct device_attribute *attr,
254 const char *buf, size_t count)
255{
256 int nr = to_sensor_dev_attr(attr)->index;
257 struct i2c_client *client = to_i2c_client(dev);
258 struct f75375_data *data = i2c_get_clientdata(client);
259 int val = simple_strtoul(buf, NULL, 10);
260
261 mutex_lock(&data->update_lock);
262 data->fan_exp[nr] = rpm_to_reg(val);
263 f75375_write16(client, F75375_REG_FAN_EXP(nr), data->fan_exp[nr]);
264 mutex_unlock(&data->update_lock);
265 return count;
266}
267
268static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
269 const char *buf, size_t count)
270{
271 int nr = to_sensor_dev_attr(attr)->index;
272 struct i2c_client *client = to_i2c_client(dev);
273 struct f75375_data *data = i2c_get_clientdata(client);
274 int val = simple_strtoul(buf, NULL, 10);
275
276 mutex_lock(&data->update_lock);
277 data->pwm[nr] = SENSORS_LIMIT(val, 0, 255);
278 f75375_write8(client, F75375_REG_FAN_PWM_DUTY(nr), data->pwm[nr]);
279 mutex_unlock(&data->update_lock);
280 return count;
281}
282
283static ssize_t show_pwm_enable(struct device *dev, struct device_attribute
284 *attr, char *buf)
285{
286 int nr = to_sensor_dev_attr(attr)->index;
287 struct f75375_data *data = f75375_update_device(dev);
288 return sprintf(buf, "%d\n", data->pwm_enable[nr]);
289}
290
ff312d07 291static int set_pwm_enable_direct(struct i2c_client *client, int nr, int val)
84f1e442 292{
84f1e442 293 struct f75375_data *data = i2c_get_clientdata(client);
84f1e442
RV		 294 u8 fanmode;
295
296 if (val < 0 || val > 4)
297 return -EINVAL;
298
84f1e442
RV		 299 fanmode = f75375_read8(client, F75375_REG_FAN_TIMER);
300 fanmode = ~(3 << FAN_CTRL_MODE(nr));
301
302 switch (val) {
303 case 0: /* Full speed */
304 fanmode |= (3 << FAN_CTRL_MODE(nr));
305 data->pwm[nr] = 255;
306 f75375_write8(client, F75375_REG_FAN_PWM_DUTY(nr),
307 data->pwm[nr]);
308 break;
309 case 1: /* PWM */
310 fanmode |= (3 << FAN_CTRL_MODE(nr));
311 break;
312 case 2: /* AUTOMATIC*/
313 fanmode |= (2 << FAN_CTRL_MODE(nr));
314 break;
315 case 3: /* fan speed */
316 break;
317 }
318 f75375_write8(client, F75375_REG_FAN_TIMER, fanmode);
319 data->pwm_enable[nr] = val;
ff312d07
RV		 320 return 0;
321}
322
323static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr,
324 const char *buf, size_t count)
325{
326 int nr = to_sensor_dev_attr(attr)->index;
327 struct i2c_client *client = to_i2c_client(dev);
328 struct f75375_data *data = i2c_get_clientdata(client);
329 int val = simple_strtoul(buf, NULL, 10);
330 int err = 0;
331
332 mutex_lock(&data->update_lock);
333 err = set_pwm_enable_direct(client, nr, val);
84f1e442 334 mutex_unlock(&data->update_lock);
ff312d07 335 return err ? err : count;
84f1e442
RV		 336}
337
338static ssize_t set_pwm_mode(struct device *dev, struct device_attribute *attr,
339 const char *buf, size_t count)
340{
341 int nr = to_sensor_dev_attr(attr)->index;
342 struct i2c_client *client = to_i2c_client(dev);
343 struct f75375_data *data = i2c_get_clientdata(client);
344 int val = simple_strtoul(buf, NULL, 10);
345 u8 conf = 0;
346
76e83bef 347 if (!(val == 0 || val == 1))
84f1e442
RV		 348 return -EINVAL;
349
350 mutex_lock(&data->update_lock);
351 conf = f75375_read8(client, F75375_REG_CONFIG1);
352 conf = ~(1 << FAN_CTRL_LINEAR(nr));
353
354 if (val == 0)
355 conf |= (1 << FAN_CTRL_LINEAR(nr)) ;
356
357 f75375_write8(client, F75375_REG_CONFIG1, conf);
358 data->pwm_mode[nr] = val;
359 mutex_unlock(&data->update_lock);
360 return count;
361}
362
363static ssize_t show_pwm(struct device *dev, struct device_attribute
364 *attr, char *buf)
365{
366 int nr = to_sensor_dev_attr(attr)->index;
367 struct f75375_data *data = f75375_update_device(dev);
368 return sprintf(buf, "%d\n", data->pwm[nr]);
369}
370
371static ssize_t show_pwm_mode(struct device *dev, struct device_attribute
372 *attr, char *buf)
373{
374 int nr = to_sensor_dev_attr(attr)->index;
375 struct f75375_data *data = f75375_update_device(dev);
376 return sprintf(buf, "%d\n", data->pwm_mode[nr]);
377}
378
379#define VOLT_FROM_REG(val) ((val) * 8)
380#define VOLT_TO_REG(val) ((val) / 8)
381
382static ssize_t show_in(struct device *dev, struct device_attribute *attr,
383 char *buf)
384{
385 int nr = to_sensor_dev_attr(attr)->index;
386 struct f75375_data *data = f75375_update_device(dev);
387 return sprintf(buf, "%d\n", VOLT_FROM_REG(data->in[nr]));
388}
389
390static ssize_t show_in_max(struct device *dev, struct device_attribute *attr,
391 char *buf)
392{
393 int nr = to_sensor_dev_attr(attr)->index;
394 struct f75375_data *data = f75375_update_device(dev);
395 return sprintf(buf, "%d\n", VOLT_FROM_REG(data->in_max[nr]));
396}
397
398static ssize_t show_in_min(struct device *dev, struct device_attribute *attr,
399 char *buf)
400{
401 int nr = to_sensor_dev_attr(attr)->index;
402 struct f75375_data *data = f75375_update_device(dev);
403 return sprintf(buf, "%d\n", VOLT_FROM_REG(data->in_min[nr]));
404}
405
406static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
407 const char *buf, size_t count)
408{
409 int nr = to_sensor_dev_attr(attr)->index;
410 struct i2c_client *client = to_i2c_client(dev);
411 struct f75375_data *data = i2c_get_clientdata(client);
412 int val = simple_strtoul(buf, NULL, 10);
413 val = SENSORS_LIMIT(VOLT_TO_REG(val), 0, 0xff);
414 mutex_lock(&data->update_lock);
415 data->in_max[nr] = val;
416 f75375_write8(client, F75375_REG_VOLT_HIGH(nr), data->in_max[nr]);
417 mutex_unlock(&data->update_lock);
418 return count;
419}
420
421static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
422 const char *buf, size_t count)
423{
424 int nr = to_sensor_dev_attr(attr)->index;
425 struct i2c_client *client = to_i2c_client(dev);
426 struct f75375_data *data = i2c_get_clientdata(client);
427 int val = simple_strtoul(buf, NULL, 10);
428 val = SENSORS_LIMIT(VOLT_TO_REG(val), 0, 0xff);
429 mutex_lock(&data->update_lock);
430 data->in_min[nr] = val;
431 f75375_write8(client, F75375_REG_VOLT_LOW(nr), data->in_min[nr]);
432 mutex_unlock(&data->update_lock);
433 return count;
434}
435#define TEMP_FROM_REG(val) ((val) * 1000)
436#define TEMP_TO_REG(val) ((val) / 1000)
437
438static ssize_t show_temp(struct device *dev, struct device_attribute *attr,
439 char *buf)
440{
441 int nr = to_sensor_dev_attr(attr)->index;
442 struct f75375_data *data = f75375_update_device(dev);
443 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr]));
444}
445
446static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr,
447 char *buf)
448{
449 int nr = to_sensor_dev_attr(attr)->index;
450 struct f75375_data *data = f75375_update_device(dev);
451 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_high[nr]));
452}
453
454static ssize_t show_temp_max_hyst(struct device *dev,
455 struct device_attribute *attr, char *buf)
456{
457 int nr = to_sensor_dev_attr(attr)->index;
458 struct f75375_data *data = f75375_update_device(dev);
459 return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max_hyst[nr]));
460}
461
462static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
463 const char *buf, size_t count)
464{
465 int nr = to_sensor_dev_attr(attr)->index;
466 struct i2c_client *client = to_i2c_client(dev);
467 struct f75375_data *data = i2c_get_clientdata(client);
468 int val = simple_strtol(buf, NULL, 10);
469 val = SENSORS_LIMIT(TEMP_TO_REG(val), 0, 127);
470 mutex_lock(&data->update_lock);
471 data->temp_high[nr] = val;
472 f75375_write8(client, F75375_REG_TEMP_HIGH(nr), data->temp_high[nr]);
473 mutex_unlock(&data->update_lock);
474 return count;
475}
476
477static ssize_t set_temp_max_hyst(struct device *dev,
478 struct device_attribute *attr, const char *buf, size_t count)
479{
480 int nr = to_sensor_dev_attr(attr)->index;
481 struct i2c_client *client = to_i2c_client(dev);
482 struct f75375_data *data = i2c_get_clientdata(client);
483 int val = simple_strtol(buf, NULL, 10);
484 val = SENSORS_LIMIT(TEMP_TO_REG(val), 0, 127);
485 mutex_lock(&data->update_lock);
486 data->temp_max_hyst[nr] = val;
487 f75375_write8(client, F75375_REG_TEMP_HYST(nr),
488 data->temp_max_hyst[nr]);
489 mutex_unlock(&data->update_lock);
490 return count;
491}
492
493#define show_fan(thing) \
494static ssize_t show_##thing(struct device *dev, struct device_attribute *attr, \
495 char *buf)\
496{\
497 int nr = to_sensor_dev_attr(attr)->index;\
498 struct f75375_data *data = f75375_update_device(dev); \
499 return sprintf(buf, "%d\n", rpm_from_reg(data->thing[nr])); \
500}
501
502show_fan(fan);
503show_fan(fan_min);
504show_fan(fan_full);
505show_fan(fan_exp);
506
507static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_in, NULL, 0);
508static SENSOR_DEVICE_ATTR(in0_max, S_IRUGO|S_IWUSR,
509 show_in_max, set_in_max, 0);
510static SENSOR_DEVICE_ATTR(in0_min, S_IRUGO|S_IWUSR,
511 show_in_min, set_in_min, 0);
512static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 1);
513static SENSOR_DEVICE_ATTR(in1_max, S_IRUGO|S_IWUSR,
514 show_in_max, set_in_max, 1);
515static SENSOR_DEVICE_ATTR(in1_min, S_IRUGO|S_IWUSR,
516 show_in_min, set_in_min, 1);
517static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in, NULL, 2);
518static SENSOR_DEVICE_ATTR(in2_max, S_IRUGO|S_IWUSR,
519 show_in_max, set_in_max, 2);
520static SENSOR_DEVICE_ATTR(in2_min, S_IRUGO|S_IWUSR,
521 show_in_min, set_in_min, 2);
522static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in, NULL, 3);
523static SENSOR_DEVICE_ATTR(in3_max, S_IRUGO|S_IWUSR,
524 show_in_max, set_in_max, 3);
525static SENSOR_DEVICE_ATTR(in3_min, S_IRUGO|S_IWUSR,
526 show_in_min, set_in_min, 3);
527static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);
528static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO|S_IWUSR,
529 show_temp_max_hyst, set_temp_max_hyst, 0);
530static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO|S_IWUSR,
531 show_temp_max, set_temp_max, 0);
532static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1);
533static SENSOR_DEVICE_ATTR(temp2_max_hyst, S_IRUGO|S_IWUSR,
534 show_temp_max_hyst, set_temp_max_hyst, 1);
535static SENSOR_DEVICE_ATTR(temp2_max, S_IRUGO|S_IWUSR,
536 show_temp_max, set_temp_max, 1);
537static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0);
538static SENSOR_DEVICE_ATTR(fan1_full, S_IRUGO, show_fan_full, NULL, 0);
539static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO|S_IWUSR,
540 show_fan_min, set_fan_min, 0);
541static SENSOR_DEVICE_ATTR(fan1_exp, S_IRUGO|S_IWUSR,
542 show_fan_exp, set_fan_exp, 0);
543static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1);
544static SENSOR_DEVICE_ATTR(fan2_full, S_IRUGO, show_fan_full, NULL, 1);
545static SENSOR_DEVICE_ATTR(fan2_min, S_IRUGO|S_IWUSR,
546 show_fan_min, set_fan_min, 1);
547static SENSOR_DEVICE_ATTR(fan2_exp, S_IRUGO|S_IWUSR,
548 show_fan_exp, set_fan_exp, 1);
549static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO|S_IWUSR,
550 show_pwm, set_pwm, 0);
551static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO|S_IWUSR,
552 show_pwm_enable, set_pwm_enable, 0);
76e83bef 553static SENSOR_DEVICE_ATTR(pwm1_mode, S_IRUGO,
84f1e442
RV		 554 show_pwm_mode, set_pwm_mode, 0);
555static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR,
556 show_pwm, set_pwm, 1);
557static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO|S_IWUSR,
558 show_pwm_enable, set_pwm_enable, 1);
76e83bef 559static SENSOR_DEVICE_ATTR(pwm2_mode, S_IRUGO,
84f1e442
RV		 560 show_pwm_mode, set_pwm_mode, 1);
561
562static struct attribute *f75375_attributes[] = {
563 &sensor_dev_attr_temp1_input.dev_attr.attr,
564 &sensor_dev_attr_temp1_max.dev_attr.attr,
565 &sensor_dev_attr_temp1_max_hyst.dev_attr.attr,
566 &sensor_dev_attr_temp2_input.dev_attr.attr,
567 &sensor_dev_attr_temp2_max.dev_attr.attr,
568 &sensor_dev_attr_temp2_max_hyst.dev_attr.attr,
569 &sensor_dev_attr_fan1_input.dev_attr.attr,
570 &sensor_dev_attr_fan1_full.dev_attr.attr,
571 &sensor_dev_attr_fan1_min.dev_attr.attr,
572 &sensor_dev_attr_fan1_exp.dev_attr.attr,
573 &sensor_dev_attr_fan2_input.dev_attr.attr,
574 &sensor_dev_attr_fan2_full.dev_attr.attr,
575 &sensor_dev_attr_fan2_min.dev_attr.attr,
576 &sensor_dev_attr_fan2_exp.dev_attr.attr,
577 &sensor_dev_attr_pwm1.dev_attr.attr,
578 &sensor_dev_attr_pwm1_enable.dev_attr.attr,
579 &sensor_dev_attr_pwm1_mode.dev_attr.attr,
580 &sensor_dev_attr_pwm2.dev_attr.attr,
581 &sensor_dev_attr_pwm2_enable.dev_attr.attr,
582 &sensor_dev_attr_pwm2_mode.dev_attr.attr,
583 &sensor_dev_attr_in0_input.dev_attr.attr,
584 &sensor_dev_attr_in0_max.dev_attr.attr,
585 &sensor_dev_attr_in0_min.dev_attr.attr,
586 &sensor_dev_attr_in1_input.dev_attr.attr,
587 &sensor_dev_attr_in1_max.dev_attr.attr,
588 &sensor_dev_attr_in1_min.dev_attr.attr,
589 &sensor_dev_attr_in2_input.dev_attr.attr,
590 &sensor_dev_attr_in2_max.dev_attr.attr,
591 &sensor_dev_attr_in2_min.dev_attr.attr,
592 &sensor_dev_attr_in3_input.dev_attr.attr,
593 &sensor_dev_attr_in3_max.dev_attr.attr,
594 &sensor_dev_attr_in3_min.dev_attr.attr,
595 NULL
596};
597
598static const struct attribute_group f75375_group = {
599 .attrs = f75375_attributes,
600};
601
ff312d07
RV		 602static void f75375_init(struct i2c_client *client, struct f75375_data *data,
603 struct f75375s_platform_data *f75375s_pdata)
604{
605 int nr;
606 set_pwm_enable_direct(client, 0, f75375s_pdata->pwm_enable[0]);
607 set_pwm_enable_direct(client, 1, f75375s_pdata->pwm_enable[1]);
608 for (nr = 0; nr < 2; nr++) {
609 data->pwm[nr] = SENSORS_LIMIT(f75375s_pdata->pwm[nr], 0, 255);
610 f75375_write8(client, F75375_REG_FAN_PWM_DUTY(nr),
611 data->pwm[nr]);
612 }
613
614}
615
d2653e92
JD		 616static int f75375_probe(struct i2c_client *client,
617 const struct i2c_device_id *id)
620c142d 618{
51b3e270 619 struct f75375_data *data;
ff312d07 620 struct f75375s_platform_data *f75375s_pdata = client->dev.platform_data;
620c142d
RV		 621 int err;
622
623 if (!i2c_check_functionality(client->adapter,
624 I2C_FUNC_SMBUS_BYTE_DATA))
625 return -EIO;
626 if (!(data = kzalloc(sizeof(struct f75375_data), GFP_KERNEL)))
627 return -ENOMEM;
628
629 i2c_set_clientdata(client, data);
620c142d 630 mutex_init(&data->update_lock);
3760f736 631 data->kind = id->driver_data;
620c142d
RV		 632
633 if ((err = sysfs_create_group(&client->dev.kobj, &f75375_group)))
634 goto exit_free;
635
76e83bef
RV		 636 if (data->kind == f75375) {
637 err = sysfs_chmod_file(&client->dev.kobj,
638 &sensor_dev_attr_pwm1_mode.dev_attr.attr,
639 S_IRUGO | S_IWUSR);
640 if (err)
641 goto exit_remove;
642 err = sysfs_chmod_file(&client->dev.kobj,
643 &sensor_dev_attr_pwm2_mode.dev_attr.attr,
644 S_IRUGO | S_IWUSR);
645 if (err)
646 goto exit_remove;
647 }
648
620c142d
RV		 649 data->hwmon_dev = hwmon_device_register(&client->dev);
650 if (IS_ERR(data->hwmon_dev)) {
651 err = PTR_ERR(data->hwmon_dev);
652 goto exit_remove;
653 }
654
ff312d07
RV		 655 if (f75375s_pdata != NULL)
656 f75375_init(client, data, f75375s_pdata);
657
620c142d
RV		 658 return 0;
659
660exit_remove:
661 sysfs_remove_group(&client->dev.kobj, &f75375_group);
662exit_free:
663 kfree(data);
664 i2c_set_clientdata(client, NULL);
665 return err;
666}
667
668static int f75375_remove(struct i2c_client *client)
669{
670 struct f75375_data *data = i2c_get_clientdata(client);
671 hwmon_device_unregister(data->hwmon_dev);
672 sysfs_remove_group(&client->dev.kobj, &f75375_group);
84f1e442 673 kfree(data);
620c142d 674 i2c_set_clientdata(client, NULL);
84f1e442
RV		 675 return 0;
676}
677
935ada8c 678/* Return 0 if detection is successful, -ENODEV otherwise */
310ec792 679static int f75375_detect(struct i2c_client *client,
935ada8c 680 struct i2c_board_info *info)
84f1e442 681{
935ada8c 682 struct i2c_adapter *adapter = client->adapter;
52df6440
JD		 683 u16 vendid, chipid;
684 u8 version;
685 const char *name;
84f1e442 686
52df6440
JD		 687 vendid = f75375_read16(client, F75375_REG_VENDOR);
688 chipid = f75375_read16(client, F75375_CHIP_ID);
689 if (chipid == 0x0306 && vendid == 0x1934)
84f1e442 690 name = "f75375";
52df6440 691 else if (chipid == 0x0204 && vendid == 0x1934)
84f1e442 692 name = "f75373";
52df6440
JD		 693 else
694 return -ENODEV;
695
696 version = f75375_read8(client, F75375_REG_VERSION);
84f1e442 697 dev_info(&adapter->dev, "found %s version: %02X\n", name, version);
935ada8c 698 strlcpy(info->type, name, I2C_NAME_SIZE);
84f1e442 699
84f1e442 700 return 0;
84f1e442
RV		 701}
702
703static int __init sensors_f75375_init(void)
704{
935ada8c 705 return i2c_add_driver(&f75375_driver);
84f1e442
RV		 706}
707
708static void __exit sensors_f75375_exit(void)
709{
710 i2c_del_driver(&f75375_driver);
711}
712
b26e0ed4 713MODULE_AUTHOR("Riku Voipio");
84f1e442
RV		 714MODULE_LICENSE("GPL");
715MODULE_DESCRIPTION("F75373/F75375 hardware monitoring driver");
716
717module_init(sensors_f75375_init);
718module_exit(sensors_f75375_exit);
kernel source for telekom puls (alcatel/mediatek)