Commit | Line | Data |
---|---|---|
add77c64 | 1 | /* |
4d387df7 GR |
2 | * thmc50.c - Part of lm_sensors, Linux kernel modules for hardware |
3 | * monitoring | |
4 | * Copyright (C) 2007 Krzysztof Helt <krzysztof.h1@wp.pl> | |
5 | * Based on 2.4 driver by Frodo Looijaard <frodol@dds.nl> and | |
6 | * Philip Edelbrock <phil@netroedge.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
21 | */ | |
add77c64 KH |
22 | |
23 | #include <linux/module.h> | |
24 | #include <linux/init.h> | |
25 | #include <linux/slab.h> | |
26 | #include <linux/i2c.h> | |
27 | #include <linux/hwmon.h> | |
28 | #include <linux/hwmon-sysfs.h> | |
29 | #include <linux/err.h> | |
30 | #include <linux/mutex.h> | |
dcd8f392 | 31 | #include <linux/jiffies.h> |
add77c64 KH |
32 | |
33 | MODULE_LICENSE("GPL"); | |
34 | ||
35 | /* Addresses to scan */ | |
25e9c86d | 36 | static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; |
add77c64 KH |
37 | |
38 | /* Insmod parameters */ | |
e5e9f44c | 39 | enum chips { thmc50, adm1022 }; |
f95f0b4c JD |
40 | |
41 | static unsigned short adm1022_temp3[16]; | |
42 | static unsigned int adm1022_temp3_num; | |
43 | module_param_array(adm1022_temp3, ushort, &adm1022_temp3_num, 0); | |
44 | MODULE_PARM_DESC(adm1022_temp3, "List of adapter,address pairs " | |
add77c64 KH |
45 | "to enable 3rd temperature (ADM1022 only)"); |
46 | ||
47 | /* Many THMC50 constants specified below */ | |
48 | ||
49 | /* The THMC50 registers */ | |
50 | #define THMC50_REG_CONF 0x40 | |
51 | #define THMC50_REG_COMPANY_ID 0x3E | |
52 | #define THMC50_REG_DIE_CODE 0x3F | |
53 | #define THMC50_REG_ANALOG_OUT 0x19 | |
dcf3b5fb | 54 | /* |
bba891c2 KH |
55 | * The mirror status register cannot be used as |
56 | * reading it does not clear alarms. | |
dcf3b5fb | 57 | */ |
bba891c2 | 58 | #define THMC50_REG_INTR 0x41 |
add77c64 | 59 | |
5910a9b2 TK |
60 | static const u8 THMC50_REG_TEMP[] = { 0x27, 0x26, 0x20 }; |
61 | static const u8 THMC50_REG_TEMP_MIN[] = { 0x3A, 0x38, 0x2C }; | |
62 | static const u8 THMC50_REG_TEMP_MAX[] = { 0x39, 0x37, 0x2B }; | |
84f768c1 KH |
63 | static const u8 THMC50_REG_TEMP_CRITICAL[] = { 0x13, 0x14, 0x14 }; |
64 | static const u8 THMC50_REG_TEMP_DEFAULT[] = { 0x17, 0x18, 0x18 }; | |
add77c64 KH |
65 | |
66 | #define THMC50_REG_CONF_nFANOFF 0x20 | |
84f768c1 | 67 | #define THMC50_REG_CONF_PROGRAMMED 0x08 |
add77c64 KH |
68 | |
69 | /* Each client has this additional data */ | |
70 | struct thmc50_data { | |
1beeffe4 | 71 | struct device *hwmon_dev; |
add77c64 KH |
72 | |
73 | struct mutex update_lock; | |
74 | enum chips type; | |
75 | unsigned long last_updated; /* In jiffies */ | |
76 | char has_temp3; /* !=0 if it is ADM1022 in temp3 mode */ | |
77 | char valid; /* !=0 if following fields are valid */ | |
78 | ||
79 | /* Register values */ | |
80 | s8 temp_input[3]; | |
81 | s8 temp_max[3]; | |
82 | s8 temp_min[3]; | |
84f768c1 | 83 | s8 temp_critical[3]; |
add77c64 | 84 | u8 analog_out; |
dcf3b5fb | 85 | u8 alarms; |
add77c64 KH |
86 | }; |
87 | ||
310ec792 | 88 | static int thmc50_detect(struct i2c_client *client, |
ccf37488 JD |
89 | struct i2c_board_info *info); |
90 | static int thmc50_probe(struct i2c_client *client, | |
91 | const struct i2c_device_id *id); | |
92 | static int thmc50_remove(struct i2c_client *client); | |
add77c64 KH |
93 | static void thmc50_init_client(struct i2c_client *client); |
94 | static struct thmc50_data *thmc50_update_device(struct device *dev); | |
95 | ||
ccf37488 JD |
96 | static const struct i2c_device_id thmc50_id[] = { |
97 | { "adm1022", adm1022 }, | |
98 | { "thmc50", thmc50 }, | |
99 | { } | |
100 | }; | |
101 | MODULE_DEVICE_TABLE(i2c, thmc50_id); | |
102 | ||
add77c64 | 103 | static struct i2c_driver thmc50_driver = { |
ccf37488 | 104 | .class = I2C_CLASS_HWMON, |
add77c64 KH |
105 | .driver = { |
106 | .name = "thmc50", | |
107 | }, | |
ccf37488 JD |
108 | .probe = thmc50_probe, |
109 | .remove = thmc50_remove, | |
110 | .id_table = thmc50_id, | |
111 | .detect = thmc50_detect, | |
c3813d6a | 112 | .address_list = normal_i2c, |
add77c64 KH |
113 | }; |
114 | ||
115 | static ssize_t show_analog_out(struct device *dev, | |
116 | struct device_attribute *attr, char *buf) | |
117 | { | |
118 | struct thmc50_data *data = thmc50_update_device(dev); | |
119 | return sprintf(buf, "%d\n", data->analog_out); | |
120 | } | |
121 | ||
122 | static ssize_t set_analog_out(struct device *dev, | |
123 | struct device_attribute *attr, | |
124 | const char *buf, size_t count) | |
125 | { | |
126 | struct i2c_client *client = to_i2c_client(dev); | |
127 | struct thmc50_data *data = i2c_get_clientdata(client); | |
add77c64 | 128 | int config; |
4d387df7 GR |
129 | unsigned long tmp; |
130 | int err; | |
131 | ||
132 | err = kstrtoul(buf, 10, &tmp); | |
133 | if (err) | |
134 | return err; | |
add77c64 KH |
135 | |
136 | mutex_lock(&data->update_lock); | |
137 | data->analog_out = SENSORS_LIMIT(tmp, 0, 255); | |
138 | i2c_smbus_write_byte_data(client, THMC50_REG_ANALOG_OUT, | |
139 | data->analog_out); | |
140 | ||
141 | config = i2c_smbus_read_byte_data(client, THMC50_REG_CONF); | |
142 | if (data->analog_out == 0) | |
143 | config &= ~THMC50_REG_CONF_nFANOFF; | |
144 | else | |
145 | config |= THMC50_REG_CONF_nFANOFF; | |
146 | i2c_smbus_write_byte_data(client, THMC50_REG_CONF, config); | |
147 | ||
148 | mutex_unlock(&data->update_lock); | |
149 | return count; | |
150 | } | |
151 | ||
152 | /* There is only one PWM mode = DC */ | |
153 | static ssize_t show_pwm_mode(struct device *dev, struct device_attribute *attr, | |
154 | char *buf) | |
155 | { | |
156 | return sprintf(buf, "0\n"); | |
157 | } | |
158 | ||
159 | /* Temperatures */ | |
160 | static ssize_t show_temp(struct device *dev, struct device_attribute *attr, | |
161 | char *buf) | |
162 | { | |
163 | int nr = to_sensor_dev_attr(attr)->index; | |
164 | struct thmc50_data *data = thmc50_update_device(dev); | |
165 | return sprintf(buf, "%d\n", data->temp_input[nr] * 1000); | |
166 | } | |
167 | ||
168 | static ssize_t show_temp_min(struct device *dev, struct device_attribute *attr, | |
169 | char *buf) | |
170 | { | |
171 | int nr = to_sensor_dev_attr(attr)->index; | |
172 | struct thmc50_data *data = thmc50_update_device(dev); | |
173 | return sprintf(buf, "%d\n", data->temp_min[nr] * 1000); | |
174 | } | |
175 | ||
176 | static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr, | |
177 | const char *buf, size_t count) | |
178 | { | |
179 | int nr = to_sensor_dev_attr(attr)->index; | |
180 | struct i2c_client *client = to_i2c_client(dev); | |
181 | struct thmc50_data *data = i2c_get_clientdata(client); | |
4d387df7 GR |
182 | long val; |
183 | int err; | |
184 | ||
185 | err = kstrtol(buf, 10, &val); | |
186 | if (err) | |
187 | return err; | |
add77c64 KH |
188 | |
189 | mutex_lock(&data->update_lock); | |
190 | data->temp_min[nr] = SENSORS_LIMIT(val / 1000, -128, 127); | |
191 | i2c_smbus_write_byte_data(client, THMC50_REG_TEMP_MIN[nr], | |
192 | data->temp_min[nr]); | |
193 | mutex_unlock(&data->update_lock); | |
194 | return count; | |
195 | } | |
196 | ||
197 | static ssize_t show_temp_max(struct device *dev, struct device_attribute *attr, | |
198 | char *buf) | |
199 | { | |
200 | int nr = to_sensor_dev_attr(attr)->index; | |
201 | struct thmc50_data *data = thmc50_update_device(dev); | |
202 | return sprintf(buf, "%d\n", data->temp_max[nr] * 1000); | |
203 | } | |
204 | ||
205 | static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, | |
206 | const char *buf, size_t count) | |
207 | { | |
208 | int nr = to_sensor_dev_attr(attr)->index; | |
209 | struct i2c_client *client = to_i2c_client(dev); | |
210 | struct thmc50_data *data = i2c_get_clientdata(client); | |
4d387df7 GR |
211 | long val; |
212 | int err; | |
213 | ||
214 | err = kstrtol(buf, 10, &val); | |
215 | if (err) | |
216 | return err; | |
add77c64 KH |
217 | |
218 | mutex_lock(&data->update_lock); | |
219 | data->temp_max[nr] = SENSORS_LIMIT(val / 1000, -128, 127); | |
220 | i2c_smbus_write_byte_data(client, THMC50_REG_TEMP_MAX[nr], | |
221 | data->temp_max[nr]); | |
222 | mutex_unlock(&data->update_lock); | |
223 | return count; | |
224 | } | |
225 | ||
84f768c1 KH |
226 | static ssize_t show_temp_critical(struct device *dev, |
227 | struct device_attribute *attr, | |
228 | char *buf) | |
229 | { | |
230 | int nr = to_sensor_dev_attr(attr)->index; | |
231 | struct thmc50_data *data = thmc50_update_device(dev); | |
232 | return sprintf(buf, "%d\n", data->temp_critical[nr] * 1000); | |
233 | } | |
234 | ||
dcf3b5fb KH |
235 | static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, |
236 | char *buf) | |
237 | { | |
238 | int index = to_sensor_dev_attr(attr)->index; | |
239 | struct thmc50_data *data = thmc50_update_device(dev); | |
240 | ||
241 | return sprintf(buf, "%u\n", (data->alarms >> index) & 1); | |
242 | } | |
243 | ||
add77c64 KH |
244 | #define temp_reg(offset) \ |
245 | static SENSOR_DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp, \ | |
246 | NULL, offset - 1); \ | |
247 | static SENSOR_DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \ | |
248 | show_temp_min, set_temp_min, offset - 1); \ | |
249 | static SENSOR_DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \ | |
84f768c1 KH |
250 | show_temp_max, set_temp_max, offset - 1); \ |
251 | static SENSOR_DEVICE_ATTR(temp##offset##_crit, S_IRUGO, \ | |
252 | show_temp_critical, NULL, offset - 1); | |
add77c64 KH |
253 | |
254 | temp_reg(1); | |
255 | temp_reg(2); | |
256 | temp_reg(3); | |
257 | ||
dcf3b5fb KH |
258 | static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 0); |
259 | static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 5); | |
260 | static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 1); | |
261 | static SENSOR_DEVICE_ATTR(temp2_fault, S_IRUGO, show_alarm, NULL, 7); | |
262 | static SENSOR_DEVICE_ATTR(temp3_fault, S_IRUGO, show_alarm, NULL, 2); | |
263 | ||
add77c64 KH |
264 | static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_analog_out, |
265 | set_analog_out, 0); | |
266 | static SENSOR_DEVICE_ATTR(pwm1_mode, S_IRUGO, show_pwm_mode, NULL, 0); | |
267 | ||
268 | static struct attribute *thmc50_attributes[] = { | |
269 | &sensor_dev_attr_temp1_max.dev_attr.attr, | |
270 | &sensor_dev_attr_temp1_min.dev_attr.attr, | |
271 | &sensor_dev_attr_temp1_input.dev_attr.attr, | |
84f768c1 | 272 | &sensor_dev_attr_temp1_crit.dev_attr.attr, |
dcf3b5fb | 273 | &sensor_dev_attr_temp1_alarm.dev_attr.attr, |
add77c64 KH |
274 | &sensor_dev_attr_temp2_max.dev_attr.attr, |
275 | &sensor_dev_attr_temp2_min.dev_attr.attr, | |
276 | &sensor_dev_attr_temp2_input.dev_attr.attr, | |
84f768c1 | 277 | &sensor_dev_attr_temp2_crit.dev_attr.attr, |
dcf3b5fb KH |
278 | &sensor_dev_attr_temp2_alarm.dev_attr.attr, |
279 | &sensor_dev_attr_temp2_fault.dev_attr.attr, | |
add77c64 KH |
280 | &sensor_dev_attr_pwm1.dev_attr.attr, |
281 | &sensor_dev_attr_pwm1_mode.dev_attr.attr, | |
282 | NULL | |
283 | }; | |
284 | ||
285 | static const struct attribute_group thmc50_group = { | |
286 | .attrs = thmc50_attributes, | |
287 | }; | |
288 | ||
289 | /* for ADM1022 3rd temperature mode */ | |
894c00cf | 290 | static struct attribute *temp3_attributes[] = { |
add77c64 KH |
291 | &sensor_dev_attr_temp3_max.dev_attr.attr, |
292 | &sensor_dev_attr_temp3_min.dev_attr.attr, | |
293 | &sensor_dev_attr_temp3_input.dev_attr.attr, | |
84f768c1 | 294 | &sensor_dev_attr_temp3_crit.dev_attr.attr, |
dcf3b5fb KH |
295 | &sensor_dev_attr_temp3_alarm.dev_attr.attr, |
296 | &sensor_dev_attr_temp3_fault.dev_attr.attr, | |
add77c64 KH |
297 | NULL |
298 | }; | |
299 | ||
894c00cf JD |
300 | static const struct attribute_group temp3_group = { |
301 | .attrs = temp3_attributes, | |
add77c64 KH |
302 | }; |
303 | ||
ccf37488 | 304 | /* Return 0 if detection is successful, -ENODEV otherwise */ |
310ec792 | 305 | static int thmc50_detect(struct i2c_client *client, |
ccf37488 | 306 | struct i2c_board_info *info) |
add77c64 KH |
307 | { |
308 | unsigned company; | |
309 | unsigned revision; | |
310 | unsigned config; | |
ccf37488 | 311 | struct i2c_adapter *adapter = client->adapter; |
cc28a610 | 312 | const char *type_name; |
add77c64 KH |
313 | |
314 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) { | |
315 | pr_debug("thmc50: detect failed, " | |
316 | "smbus byte data not supported!\n"); | |
ccf37488 | 317 | return -ENODEV; |
add77c64 KH |
318 | } |
319 | ||
add77c64 KH |
320 | pr_debug("thmc50: Probing for THMC50 at 0x%2X on bus %d\n", |
321 | client->addr, i2c_adapter_id(client->adapter)); | |
322 | ||
add77c64 KH |
323 | company = i2c_smbus_read_byte_data(client, THMC50_REG_COMPANY_ID); |
324 | revision = i2c_smbus_read_byte_data(client, THMC50_REG_DIE_CODE); | |
325 | config = i2c_smbus_read_byte_data(client, THMC50_REG_CONF); | |
52df6440 JD |
326 | if (revision < 0xc0 || (config & 0x10)) |
327 | return -ENODEV; | |
add77c64 | 328 | |
52df6440 | 329 | if (company == 0x41) { |
add77c64 KH |
330 | int id = i2c_adapter_id(client->adapter); |
331 | int i; | |
332 | ||
333 | type_name = "adm1022"; | |
add77c64 KH |
334 | for (i = 0; i + 1 < adm1022_temp3_num; i += 2) |
335 | if (adm1022_temp3[i] == id && | |
ccf37488 | 336 | adm1022_temp3[i + 1] == client->addr) { |
add77c64 | 337 | /* enable 2nd remote temp */ |
ccf37488 JD |
338 | config |= (1 << 7); |
339 | i2c_smbus_write_byte_data(client, | |
340 | THMC50_REG_CONF, | |
341 | config); | |
add77c64 KH |
342 | break; |
343 | } | |
52df6440 | 344 | } else if (company == 0x49) { |
cc28a610 | 345 | type_name = "thmc50"; |
52df6440 JD |
346 | } else { |
347 | pr_debug("thmc50: Detection of THMC50/ADM1022 failed\n"); | |
348 | return -ENODEV; | |
add77c64 | 349 | } |
52df6440 | 350 | |
cc28a610 JD |
351 | pr_debug("thmc50: Detected %s (version %x, revision %x)\n", |
352 | type_name, (revision >> 4) - 0xc, revision & 0xf); | |
add77c64 | 353 | |
ccf37488 | 354 | strlcpy(info->type, type_name, I2C_NAME_SIZE); |
add77c64 | 355 | |
ccf37488 JD |
356 | return 0; |
357 | } | |
358 | ||
359 | static int thmc50_probe(struct i2c_client *client, | |
360 | const struct i2c_device_id *id) | |
361 | { | |
362 | struct thmc50_data *data; | |
363 | int err; | |
364 | ||
bd91d3ba GR |
365 | data = devm_kzalloc(&client->dev, sizeof(struct thmc50_data), |
366 | GFP_KERNEL); | |
367 | if (!data) | |
368 | return -ENOMEM; | |
ccf37488 JD |
369 | |
370 | i2c_set_clientdata(client, data); | |
371 | data->type = id->driver_data; | |
372 | mutex_init(&data->update_lock); | |
add77c64 KH |
373 | |
374 | thmc50_init_client(client); | |
375 | ||
376 | /* Register sysfs hooks */ | |
4d387df7 GR |
377 | err = sysfs_create_group(&client->dev.kobj, &thmc50_group); |
378 | if (err) | |
bd91d3ba | 379 | return err; |
add77c64 KH |
380 | |
381 | /* Register ADM1022 sysfs hooks */ | |
4d387df7 GR |
382 | if (data->has_temp3) { |
383 | err = sysfs_create_group(&client->dev.kobj, &temp3_group); | |
384 | if (err) | |
add77c64 | 385 | goto exit_remove_sysfs_thmc50; |
4d387df7 | 386 | } |
add77c64 KH |
387 | |
388 | /* Register a new directory entry with module sensors */ | |
1beeffe4 TJ |
389 | data->hwmon_dev = hwmon_device_register(&client->dev); |
390 | if (IS_ERR(data->hwmon_dev)) { | |
391 | err = PTR_ERR(data->hwmon_dev); | |
add77c64 KH |
392 | goto exit_remove_sysfs; |
393 | } | |
394 | ||
395 | return 0; | |
396 | ||
397 | exit_remove_sysfs: | |
894c00cf JD |
398 | if (data->has_temp3) |
399 | sysfs_remove_group(&client->dev.kobj, &temp3_group); | |
add77c64 KH |
400 | exit_remove_sysfs_thmc50: |
401 | sysfs_remove_group(&client->dev.kobj, &thmc50_group); | |
add77c64 KH |
402 | return err; |
403 | } | |
404 | ||
ccf37488 | 405 | static int thmc50_remove(struct i2c_client *client) |
add77c64 KH |
406 | { |
407 | struct thmc50_data *data = i2c_get_clientdata(client); | |
add77c64 | 408 | |
1beeffe4 | 409 | hwmon_device_unregister(data->hwmon_dev); |
add77c64 | 410 | sysfs_remove_group(&client->dev.kobj, &thmc50_group); |
894c00cf JD |
411 | if (data->has_temp3) |
412 | sysfs_remove_group(&client->dev.kobj, &temp3_group); | |
add77c64 | 413 | |
add77c64 KH |
414 | return 0; |
415 | } | |
416 | ||
417 | static void thmc50_init_client(struct i2c_client *client) | |
418 | { | |
419 | struct thmc50_data *data = i2c_get_clientdata(client); | |
420 | int config; | |
421 | ||
422 | data->analog_out = i2c_smbus_read_byte_data(client, | |
423 | THMC50_REG_ANALOG_OUT); | |
424 | /* set up to at least 1 */ | |
425 | if (data->analog_out == 0) { | |
426 | data->analog_out = 1; | |
427 | i2c_smbus_write_byte_data(client, THMC50_REG_ANALOG_OUT, | |
428 | data->analog_out); | |
429 | } | |
430 | config = i2c_smbus_read_byte_data(client, THMC50_REG_CONF); | |
431 | config |= 0x1; /* start the chip if it is in standby mode */ | |
ccf37488 JD |
432 | if (data->type == adm1022 && (config & (1 << 7))) |
433 | data->has_temp3 = 1; | |
add77c64 KH |
434 | i2c_smbus_write_byte_data(client, THMC50_REG_CONF, config); |
435 | } | |
436 | ||
437 | static struct thmc50_data *thmc50_update_device(struct device *dev) | |
438 | { | |
439 | struct i2c_client *client = to_i2c_client(dev); | |
440 | struct thmc50_data *data = i2c_get_clientdata(client); | |
441 | int timeout = HZ / 5 + (data->type == thmc50 ? HZ : 0); | |
442 | ||
443 | mutex_lock(&data->update_lock); | |
444 | ||
445 | if (time_after(jiffies, data->last_updated + timeout) | |
446 | || !data->valid) { | |
447 | ||
448 | int temps = data->has_temp3 ? 3 : 2; | |
449 | int i; | |
84f768c1 KH |
450 | int prog = i2c_smbus_read_byte_data(client, THMC50_REG_CONF); |
451 | ||
452 | prog &= THMC50_REG_CONF_PROGRAMMED; | |
453 | ||
add77c64 KH |
454 | for (i = 0; i < temps; i++) { |
455 | data->temp_input[i] = i2c_smbus_read_byte_data(client, | |
456 | THMC50_REG_TEMP[i]); | |
457 | data->temp_max[i] = i2c_smbus_read_byte_data(client, | |
458 | THMC50_REG_TEMP_MAX[i]); | |
459 | data->temp_min[i] = i2c_smbus_read_byte_data(client, | |
460 | THMC50_REG_TEMP_MIN[i]); | |
84f768c1 KH |
461 | data->temp_critical[i] = |
462 | i2c_smbus_read_byte_data(client, | |
463 | prog ? THMC50_REG_TEMP_CRITICAL[i] | |
464 | : THMC50_REG_TEMP_DEFAULT[i]); | |
add77c64 KH |
465 | } |
466 | data->analog_out = | |
467 | i2c_smbus_read_byte_data(client, THMC50_REG_ANALOG_OUT); | |
dcf3b5fb | 468 | data->alarms = |
bba891c2 | 469 | i2c_smbus_read_byte_data(client, THMC50_REG_INTR); |
add77c64 KH |
470 | data->last_updated = jiffies; |
471 | data->valid = 1; | |
472 | } | |
473 | ||
474 | mutex_unlock(&data->update_lock); | |
475 | ||
476 | return data; | |
477 | } | |
478 | ||
f0967eea | 479 | module_i2c_driver(thmc50_driver); |
add77c64 KH |
480 | |
481 | MODULE_AUTHOR("Krzysztof Helt <krzysztof.h1@wp.pl>"); | |
482 | MODULE_DESCRIPTION("THMC50 driver"); |