Commit | Line | Data |
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1da177e4 | 1 | /* |
43da3d12 GR |
2 | * gl520sm.c - Part of lm_sensors, Linux kernel modules for hardware |
3 | * monitoring | |
4 | * Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl>, | |
5 | * Kyösti Mälkki <kmalkki@cc.hut.fi> | |
6 | * Copyright (c) 2005 Maarten Deprez <maartendeprez@users.sourceforge.net> | |
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 | * | |
22 | */ | |
1da177e4 LT |
23 | |
24 | #include <linux/module.h> | |
25 | #include <linux/init.h> | |
26 | #include <linux/slab.h> | |
0cacdf29 | 27 | #include <linux/jiffies.h> |
1da177e4 | 28 | #include <linux/i2c.h> |
943b0830 | 29 | #include <linux/hwmon.h> |
86d47f12 | 30 | #include <linux/hwmon-sysfs.h> |
303760b4 | 31 | #include <linux/hwmon-vid.h> |
943b0830 | 32 | #include <linux/err.h> |
9a61bf63 | 33 | #include <linux/mutex.h> |
87808be4 | 34 | #include <linux/sysfs.h> |
1da177e4 LT |
35 | |
36 | /* Type of the extra sensor */ | |
37 | static unsigned short extra_sensor_type; | |
38 | module_param(extra_sensor_type, ushort, 0); | |
39 | MODULE_PARM_DESC(extra_sensor_type, "Type of extra sensor (0=autodetect, 1=temperature, 2=voltage)"); | |
40 | ||
41 | /* Addresses to scan */ | |
25e9c86d | 42 | static const unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END }; |
1da177e4 | 43 | |
43da3d12 GR |
44 | /* |
45 | * Many GL520 constants specified below | |
46 | * One of the inputs can be configured as either temp or voltage. | |
47 | * That's why _TEMP2 and _IN4 access the same register | |
48 | */ | |
1da177e4 LT |
49 | |
50 | /* The GL520 registers */ | |
51 | #define GL520_REG_CHIP_ID 0x00 | |
52 | #define GL520_REG_REVISION 0x01 | |
53 | #define GL520_REG_CONF 0x03 | |
54 | #define GL520_REG_MASK 0x11 | |
55 | ||
56 | #define GL520_REG_VID_INPUT 0x02 | |
57 | ||
8b4b0ab4 JD |
58 | static const u8 GL520_REG_IN_INPUT[] = { 0x15, 0x14, 0x13, 0x0d, 0x0e }; |
59 | static const u8 GL520_REG_IN_LIMIT[] = { 0x0c, 0x09, 0x0a, 0x0b }; | |
60 | static const u8 GL520_REG_IN_MIN[] = { 0x0c, 0x09, 0x0a, 0x0b, 0x18 }; | |
61 | static const u8 GL520_REG_IN_MAX[] = { 0x0c, 0x09, 0x0a, 0x0b, 0x17 }; | |
62 | ||
63 | static const u8 GL520_REG_TEMP_INPUT[] = { 0x04, 0x0e }; | |
64 | static const u8 GL520_REG_TEMP_MAX[] = { 0x05, 0x17 }; | |
65 | static const u8 GL520_REG_TEMP_MAX_HYST[] = { 0x06, 0x18 }; | |
1da177e4 LT |
66 | |
67 | #define GL520_REG_FAN_INPUT 0x07 | |
68 | #define GL520_REG_FAN_MIN 0x08 | |
69 | #define GL520_REG_FAN_DIV 0x0f | |
70 | #define GL520_REG_FAN_OFF GL520_REG_FAN_DIV | |
71 | ||
72 | #define GL520_REG_ALARMS 0x12 | |
73 | #define GL520_REG_BEEP_MASK 0x10 | |
74 | #define GL520_REG_BEEP_ENABLE GL520_REG_CONF | |
75 | ||
1da177e4 LT |
76 | /* Client data */ |
77 | struct gl520_data { | |
d1b9c3f5 AL |
78 | struct i2c_client *client; |
79 | const struct attribute_group *groups[3]; | |
9a61bf63 | 80 | struct mutex update_lock; |
1da177e4 LT |
81 | char valid; /* zero until the following fields are valid */ |
82 | unsigned long last_updated; /* in jiffies */ | |
83 | ||
84 | u8 vid; | |
85 | u8 vrm; | |
86 | u8 in_input[5]; /* [0] = VVD */ | |
87 | u8 in_min[5]; /* [0] = VDD */ | |
88 | u8 in_max[5]; /* [0] = VDD */ | |
89 | u8 fan_input[2]; | |
90 | u8 fan_min[2]; | |
91 | u8 fan_div[2]; | |
92 | u8 fan_off; | |
93 | u8 temp_input[2]; | |
94 | u8 temp_max[2]; | |
95 | u8 temp_max_hyst[2]; | |
96 | u8 alarms; | |
97 | u8 beep_enable; | |
98 | u8 beep_mask; | |
99 | u8 alarm_mask; | |
100 | u8 two_temps; | |
101 | }; | |
102 | ||
df51f2d7 AL |
103 | /* |
104 | * Registers 0x07 to 0x0c are word-sized, others are byte-sized | |
105 | * GL520 uses a high-byte first convention | |
106 | */ | |
107 | static int gl520_read_value(struct i2c_client *client, u8 reg) | |
108 | { | |
109 | if ((reg >= 0x07) && (reg <= 0x0c)) | |
110 | return i2c_smbus_read_word_swapped(client, reg); | |
111 | else | |
112 | return i2c_smbus_read_byte_data(client, reg); | |
113 | } | |
114 | ||
115 | static int gl520_write_value(struct i2c_client *client, u8 reg, u16 value) | |
116 | { | |
117 | if ((reg >= 0x07) && (reg <= 0x0c)) | |
118 | return i2c_smbus_write_word_swapped(client, reg, value); | |
119 | else | |
120 | return i2c_smbus_write_byte_data(client, reg, value); | |
121 | } | |
122 | ||
123 | static struct gl520_data *gl520_update_device(struct device *dev) | |
124 | { | |
d1b9c3f5 AL |
125 | struct gl520_data *data = dev_get_drvdata(dev); |
126 | struct i2c_client *client = data->client; | |
df51f2d7 AL |
127 | int val, i; |
128 | ||
129 | mutex_lock(&data->update_lock); | |
130 | ||
131 | if (time_after(jiffies, data->last_updated + 2 * HZ) || !data->valid) { | |
132 | ||
133 | dev_dbg(&client->dev, "Starting gl520sm update\n"); | |
134 | ||
135 | data->alarms = gl520_read_value(client, GL520_REG_ALARMS); | |
136 | data->beep_mask = gl520_read_value(client, GL520_REG_BEEP_MASK); | |
137 | data->vid = gl520_read_value(client, | |
138 | GL520_REG_VID_INPUT) & 0x1f; | |
139 | ||
140 | for (i = 0; i < 4; i++) { | |
141 | data->in_input[i] = gl520_read_value(client, | |
142 | GL520_REG_IN_INPUT[i]); | |
143 | val = gl520_read_value(client, GL520_REG_IN_LIMIT[i]); | |
144 | data->in_min[i] = val & 0xff; | |
145 | data->in_max[i] = (val >> 8) & 0xff; | |
146 | } | |
147 | ||
148 | val = gl520_read_value(client, GL520_REG_FAN_INPUT); | |
149 | data->fan_input[0] = (val >> 8) & 0xff; | |
150 | data->fan_input[1] = val & 0xff; | |
151 | ||
152 | val = gl520_read_value(client, GL520_REG_FAN_MIN); | |
153 | data->fan_min[0] = (val >> 8) & 0xff; | |
154 | data->fan_min[1] = val & 0xff; | |
155 | ||
156 | data->temp_input[0] = gl520_read_value(client, | |
157 | GL520_REG_TEMP_INPUT[0]); | |
158 | data->temp_max[0] = gl520_read_value(client, | |
159 | GL520_REG_TEMP_MAX[0]); | |
160 | data->temp_max_hyst[0] = gl520_read_value(client, | |
161 | GL520_REG_TEMP_MAX_HYST[0]); | |
162 | ||
163 | val = gl520_read_value(client, GL520_REG_FAN_DIV); | |
164 | data->fan_div[0] = (val >> 6) & 0x03; | |
165 | data->fan_div[1] = (val >> 4) & 0x03; | |
166 | data->fan_off = (val >> 2) & 0x01; | |
167 | ||
168 | data->alarms &= data->alarm_mask; | |
169 | ||
170 | val = gl520_read_value(client, GL520_REG_CONF); | |
171 | data->beep_enable = !((val >> 2) & 1); | |
172 | ||
173 | /* Temp1 and Vin4 are the same input */ | |
174 | if (data->two_temps) { | |
175 | data->temp_input[1] = gl520_read_value(client, | |
176 | GL520_REG_TEMP_INPUT[1]); | |
177 | data->temp_max[1] = gl520_read_value(client, | |
178 | GL520_REG_TEMP_MAX[1]); | |
179 | data->temp_max_hyst[1] = gl520_read_value(client, | |
180 | GL520_REG_TEMP_MAX_HYST[1]); | |
181 | } else { | |
182 | data->in_input[4] = gl520_read_value(client, | |
183 | GL520_REG_IN_INPUT[4]); | |
184 | data->in_min[4] = gl520_read_value(client, | |
185 | GL520_REG_IN_MIN[4]); | |
186 | data->in_max[4] = gl520_read_value(client, | |
187 | GL520_REG_IN_MAX[4]); | |
188 | } | |
189 | ||
190 | data->last_updated = jiffies; | |
191 | data->valid = 1; | |
192 | } | |
193 | ||
194 | mutex_unlock(&data->update_lock); | |
195 | ||
196 | return data; | |
197 | } | |
198 | ||
1da177e4 LT |
199 | /* |
200 | * Sysfs stuff | |
201 | */ | |
202 | ||
86d47f12 JD |
203 | static ssize_t get_cpu_vid(struct device *dev, struct device_attribute *attr, |
204 | char *buf) | |
1da177e4 | 205 | { |
86d47f12 | 206 | struct gl520_data *data = gl520_update_device(dev); |
1da177e4 LT |
207 | return sprintf(buf, "%u\n", vid_from_reg(data->vid, data->vrm)); |
208 | } | |
86d47f12 | 209 | static DEVICE_ATTR(cpu0_vid, S_IRUGO, get_cpu_vid, NULL); |
1da177e4 | 210 | |
43da3d12 | 211 | #define VDD_FROM_REG(val) (((val) * 95 + 2) / 4) |
2a844c14 | 212 | #define VDD_TO_REG(val) clamp_val((((val) * 4 + 47) / 95), 0, 255) |
1da177e4 | 213 | |
43da3d12 | 214 | #define IN_FROM_REG(val) ((val) * 19) |
2a844c14 | 215 | #define IN_TO_REG(val) clamp_val((((val) + 9) / 19), 0, 255) |
1da177e4 | 216 | |
86d47f12 JD |
217 | static ssize_t get_in_input(struct device *dev, struct device_attribute *attr, |
218 | char *buf) | |
1da177e4 | 219 | { |
86d47f12 JD |
220 | int n = to_sensor_dev_attr(attr)->index; |
221 | struct gl520_data *data = gl520_update_device(dev); | |
1da177e4 LT |
222 | u8 r = data->in_input[n]; |
223 | ||
224 | if (n == 0) | |
225 | return sprintf(buf, "%d\n", VDD_FROM_REG(r)); | |
226 | else | |
227 | return sprintf(buf, "%d\n", IN_FROM_REG(r)); | |
228 | } | |
229 | ||
86d47f12 JD |
230 | static ssize_t get_in_min(struct device *dev, struct device_attribute *attr, |
231 | char *buf) | |
1da177e4 | 232 | { |
86d47f12 JD |
233 | int n = to_sensor_dev_attr(attr)->index; |
234 | struct gl520_data *data = gl520_update_device(dev); | |
1da177e4 LT |
235 | u8 r = data->in_min[n]; |
236 | ||
237 | if (n == 0) | |
238 | return sprintf(buf, "%d\n", VDD_FROM_REG(r)); | |
239 | else | |
240 | return sprintf(buf, "%d\n", IN_FROM_REG(r)); | |
241 | } | |
242 | ||
86d47f12 JD |
243 | static ssize_t get_in_max(struct device *dev, struct device_attribute *attr, |
244 | char *buf) | |
1da177e4 | 245 | { |
86d47f12 JD |
246 | int n = to_sensor_dev_attr(attr)->index; |
247 | struct gl520_data *data = gl520_update_device(dev); | |
1da177e4 LT |
248 | u8 r = data->in_max[n]; |
249 | ||
250 | if (n == 0) | |
251 | return sprintf(buf, "%d\n", VDD_FROM_REG(r)); | |
252 | else | |
253 | return sprintf(buf, "%d\n", IN_FROM_REG(r)); | |
254 | } | |
255 | ||
86d47f12 JD |
256 | static ssize_t set_in_min(struct device *dev, struct device_attribute *attr, |
257 | const char *buf, size_t count) | |
1da177e4 | 258 | { |
d1b9c3f5 AL |
259 | struct gl520_data *data = dev_get_drvdata(dev); |
260 | struct i2c_client *client = data->client; | |
86d47f12 | 261 | int n = to_sensor_dev_attr(attr)->index; |
1da177e4 | 262 | u8 r; |
43da3d12 GR |
263 | long v; |
264 | int err; | |
265 | ||
266 | err = kstrtol(buf, 10, &v); | |
267 | if (err) | |
268 | return err; | |
1da177e4 | 269 | |
9a61bf63 | 270 | mutex_lock(&data->update_lock); |
1da177e4 LT |
271 | |
272 | if (n == 0) | |
273 | r = VDD_TO_REG(v); | |
274 | else | |
275 | r = IN_TO_REG(v); | |
276 | ||
277 | data->in_min[n] = r; | |
278 | ||
279 | if (n < 4) | |
86d47f12 JD |
280 | gl520_write_value(client, GL520_REG_IN_MIN[n], |
281 | (gl520_read_value(client, GL520_REG_IN_MIN[n]) | |
282 | & ~0xff) | r); | |
1da177e4 | 283 | else |
86d47f12 | 284 | gl520_write_value(client, GL520_REG_IN_MIN[n], r); |
1da177e4 | 285 | |
9a61bf63 | 286 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
287 | return count; |
288 | } | |
289 | ||
86d47f12 JD |
290 | static ssize_t set_in_max(struct device *dev, struct device_attribute *attr, |
291 | const char *buf, size_t count) | |
1da177e4 | 292 | { |
d1b9c3f5 AL |
293 | struct gl520_data *data = dev_get_drvdata(dev); |
294 | struct i2c_client *client = data->client; | |
86d47f12 | 295 | int n = to_sensor_dev_attr(attr)->index; |
1da177e4 | 296 | u8 r; |
43da3d12 GR |
297 | long v; |
298 | int err; | |
299 | ||
300 | err = kstrtol(buf, 10, &v); | |
301 | if (err) | |
302 | return err; | |
1da177e4 LT |
303 | |
304 | if (n == 0) | |
305 | r = VDD_TO_REG(v); | |
306 | else | |
307 | r = IN_TO_REG(v); | |
308 | ||
9a61bf63 | 309 | mutex_lock(&data->update_lock); |
1da177e4 LT |
310 | |
311 | data->in_max[n] = r; | |
312 | ||
313 | if (n < 4) | |
86d47f12 JD |
314 | gl520_write_value(client, GL520_REG_IN_MAX[n], |
315 | (gl520_read_value(client, GL520_REG_IN_MAX[n]) | |
316 | & ~0xff00) | (r << 8)); | |
1da177e4 | 317 | else |
86d47f12 | 318 | gl520_write_value(client, GL520_REG_IN_MAX[n], r); |
1da177e4 | 319 | |
9a61bf63 | 320 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
321 | return count; |
322 | } | |
323 | ||
86d47f12 JD |
324 | static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, get_in_input, NULL, 0); |
325 | static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, get_in_input, NULL, 1); | |
326 | static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, get_in_input, NULL, 2); | |
327 | static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, get_in_input, NULL, 3); | |
328 | static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, get_in_input, NULL, 4); | |
329 | static SENSOR_DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR, | |
330 | get_in_min, set_in_min, 0); | |
331 | static SENSOR_DEVICE_ATTR(in1_min, S_IRUGO | S_IWUSR, | |
332 | get_in_min, set_in_min, 1); | |
333 | static SENSOR_DEVICE_ATTR(in2_min, S_IRUGO | S_IWUSR, | |
334 | get_in_min, set_in_min, 2); | |
335 | static SENSOR_DEVICE_ATTR(in3_min, S_IRUGO | S_IWUSR, | |
336 | get_in_min, set_in_min, 3); | |
337 | static SENSOR_DEVICE_ATTR(in4_min, S_IRUGO | S_IWUSR, | |
338 | get_in_min, set_in_min, 4); | |
339 | static SENSOR_DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR, | |
340 | get_in_max, set_in_max, 0); | |
341 | static SENSOR_DEVICE_ATTR(in1_max, S_IRUGO | S_IWUSR, | |
342 | get_in_max, set_in_max, 1); | |
343 | static SENSOR_DEVICE_ATTR(in2_max, S_IRUGO | S_IWUSR, | |
344 | get_in_max, set_in_max, 2); | |
345 | static SENSOR_DEVICE_ATTR(in3_max, S_IRUGO | S_IWUSR, | |
346 | get_in_max, set_in_max, 3); | |
347 | static SENSOR_DEVICE_ATTR(in4_max, S_IRUGO | S_IWUSR, | |
348 | get_in_max, set_in_max, 4); | |
349 | ||
1da177e4 | 350 | #define DIV_FROM_REG(val) (1 << (val)) |
43da3d12 GR |
351 | #define FAN_FROM_REG(val, div) ((val) == 0 ? 0 : (480000 / ((val) << (div)))) |
352 | #define FAN_TO_REG(val, div) ((val) <= 0 ? 0 : \ | |
2a844c14 | 353 | clamp_val((480000 + ((val) << ((div)-1))) / ((val) << (div)), 1, 255)) |
1da177e4 | 354 | |
86d47f12 JD |
355 | static ssize_t get_fan_input(struct device *dev, struct device_attribute *attr, |
356 | char *buf) | |
1da177e4 | 357 | { |
86d47f12 JD |
358 | int n = to_sensor_dev_attr(attr)->index; |
359 | struct gl520_data *data = gl520_update_device(dev); | |
360 | ||
361 | return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_input[n], | |
362 | data->fan_div[n])); | |
1da177e4 LT |
363 | } |
364 | ||
86d47f12 JD |
365 | static ssize_t get_fan_min(struct device *dev, struct device_attribute *attr, |
366 | char *buf) | |
1da177e4 | 367 | { |
86d47f12 JD |
368 | int n = to_sensor_dev_attr(attr)->index; |
369 | struct gl520_data *data = gl520_update_device(dev); | |
370 | ||
371 | return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[n], | |
372 | data->fan_div[n])); | |
1da177e4 LT |
373 | } |
374 | ||
86d47f12 JD |
375 | static ssize_t get_fan_div(struct device *dev, struct device_attribute *attr, |
376 | char *buf) | |
1da177e4 | 377 | { |
86d47f12 JD |
378 | int n = to_sensor_dev_attr(attr)->index; |
379 | struct gl520_data *data = gl520_update_device(dev); | |
380 | ||
381 | return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[n])); | |
1da177e4 LT |
382 | } |
383 | ||
86d47f12 JD |
384 | static ssize_t get_fan_off(struct device *dev, struct device_attribute *attr, |
385 | char *buf) | |
1da177e4 | 386 | { |
86d47f12 | 387 | struct gl520_data *data = gl520_update_device(dev); |
1da177e4 LT |
388 | return sprintf(buf, "%d\n", data->fan_off); |
389 | } | |
390 | ||
86d47f12 JD |
391 | static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr, |
392 | const char *buf, size_t count) | |
1da177e4 | 393 | { |
d1b9c3f5 AL |
394 | struct gl520_data *data = dev_get_drvdata(dev); |
395 | struct i2c_client *client = data->client; | |
86d47f12 | 396 | int n = to_sensor_dev_attr(attr)->index; |
1da177e4 | 397 | u8 r; |
43da3d12 GR |
398 | unsigned long v; |
399 | int err; | |
400 | ||
401 | err = kstrtoul(buf, 10, &v); | |
402 | if (err) | |
403 | return err; | |
1da177e4 | 404 | |
9a61bf63 | 405 | mutex_lock(&data->update_lock); |
86d47f12 JD |
406 | r = FAN_TO_REG(v, data->fan_div[n]); |
407 | data->fan_min[n] = r; | |
1da177e4 | 408 | |
86d47f12 JD |
409 | if (n == 0) |
410 | gl520_write_value(client, GL520_REG_FAN_MIN, | |
411 | (gl520_read_value(client, GL520_REG_FAN_MIN) | |
412 | & ~0xff00) | (r << 8)); | |
1da177e4 | 413 | else |
86d47f12 JD |
414 | gl520_write_value(client, GL520_REG_FAN_MIN, |
415 | (gl520_read_value(client, GL520_REG_FAN_MIN) | |
416 | & ~0xff) | r); | |
1da177e4 LT |
417 | |
418 | data->beep_mask = gl520_read_value(client, GL520_REG_BEEP_MASK); | |
86d47f12 JD |
419 | if (data->fan_min[n] == 0) |
420 | data->alarm_mask &= (n == 0) ? ~0x20 : ~0x40; | |
1da177e4 | 421 | else |
86d47f12 | 422 | data->alarm_mask |= (n == 0) ? 0x20 : 0x40; |
1da177e4 LT |
423 | data->beep_mask &= data->alarm_mask; |
424 | gl520_write_value(client, GL520_REG_BEEP_MASK, data->beep_mask); | |
425 | ||
9a61bf63 | 426 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
427 | return count; |
428 | } | |
429 | ||
86d47f12 JD |
430 | static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr, |
431 | const char *buf, size_t count) | |
1da177e4 | 432 | { |
d1b9c3f5 AL |
433 | struct gl520_data *data = dev_get_drvdata(dev); |
434 | struct i2c_client *client = data->client; | |
86d47f12 | 435 | int n = to_sensor_dev_attr(attr)->index; |
1da177e4 | 436 | u8 r; |
43da3d12 GR |
437 | unsigned long v; |
438 | int err; | |
439 | ||
440 | err = kstrtoul(buf, 10, &v); | |
441 | if (err) | |
442 | return err; | |
1da177e4 LT |
443 | |
444 | switch (v) { | |
43da3d12 GR |
445 | case 1: |
446 | r = 0; | |
447 | break; | |
448 | case 2: | |
449 | r = 1; | |
450 | break; | |
451 | case 4: | |
452 | r = 2; | |
453 | break; | |
454 | case 8: | |
455 | r = 3; | |
456 | break; | |
1da177e4 | 457 | default: |
43da3d12 GR |
458 | dev_err(&client->dev, |
459 | "fan_div value %ld not supported. Choose one of 1, 2, 4 or 8!\n", v); | |
1da177e4 LT |
460 | return -EINVAL; |
461 | } | |
462 | ||
9a61bf63 | 463 | mutex_lock(&data->update_lock); |
86d47f12 | 464 | data->fan_div[n] = r; |
1da177e4 | 465 | |
86d47f12 JD |
466 | if (n == 0) |
467 | gl520_write_value(client, GL520_REG_FAN_DIV, | |
468 | (gl520_read_value(client, GL520_REG_FAN_DIV) | |
469 | & ~0xc0) | (r << 6)); | |
1da177e4 | 470 | else |
86d47f12 JD |
471 | gl520_write_value(client, GL520_REG_FAN_DIV, |
472 | (gl520_read_value(client, GL520_REG_FAN_DIV) | |
473 | & ~0x30) | (r << 4)); | |
1da177e4 | 474 | |
9a61bf63 | 475 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
476 | return count; |
477 | } | |
478 | ||
86d47f12 JD |
479 | static ssize_t set_fan_off(struct device *dev, struct device_attribute *attr, |
480 | const char *buf, size_t count) | |
1da177e4 | 481 | { |
d1b9c3f5 AL |
482 | struct gl520_data *data = dev_get_drvdata(dev); |
483 | struct i2c_client *client = data->client; | |
43da3d12 GR |
484 | u8 r; |
485 | unsigned long v; | |
486 | int err; | |
487 | ||
488 | err = kstrtoul(buf, 10, &v); | |
489 | if (err) | |
490 | return err; | |
491 | ||
492 | r = (v ? 1 : 0); | |
1da177e4 | 493 | |
9a61bf63 | 494 | mutex_lock(&data->update_lock); |
1da177e4 | 495 | data->fan_off = r; |
86d47f12 JD |
496 | gl520_write_value(client, GL520_REG_FAN_OFF, |
497 | (gl520_read_value(client, GL520_REG_FAN_OFF) | |
498 | & ~0x0c) | (r << 2)); | |
9a61bf63 | 499 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
500 | return count; |
501 | } | |
502 | ||
86d47f12 JD |
503 | static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, get_fan_input, NULL, 0); |
504 | static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, get_fan_input, NULL, 1); | |
505 | static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO | S_IWUSR, | |
506 | get_fan_min, set_fan_min, 0); | |
507 | static SENSOR_DEVICE_ATTR(fan2_min, S_IRUGO | S_IWUSR, | |
508 | get_fan_min, set_fan_min, 1); | |
509 | static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO | S_IWUSR, | |
510 | get_fan_div, set_fan_div, 0); | |
511 | static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO | S_IWUSR, | |
512 | get_fan_div, set_fan_div, 1); | |
513 | static DEVICE_ATTR(fan1_off, S_IRUGO | S_IWUSR, | |
514 | get_fan_off, set_fan_off); | |
515 | ||
1da177e4 | 516 | #define TEMP_FROM_REG(val) (((val) - 130) * 1000) |
2a844c14 | 517 | #define TEMP_TO_REG(val) clamp_val(((((val) < 0 ? \ |
43da3d12 | 518 | (val) - 500 : (val) + 500) / 1000) + 130), 0, 255) |
1da177e4 | 519 | |
86d47f12 JD |
520 | static ssize_t get_temp_input(struct device *dev, struct device_attribute *attr, |
521 | char *buf) | |
1da177e4 | 522 | { |
86d47f12 JD |
523 | int n = to_sensor_dev_attr(attr)->index; |
524 | struct gl520_data *data = gl520_update_device(dev); | |
525 | ||
526 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_input[n])); | |
1da177e4 LT |
527 | } |
528 | ||
86d47f12 JD |
529 | static ssize_t get_temp_max(struct device *dev, struct device_attribute *attr, |
530 | char *buf) | |
1da177e4 | 531 | { |
86d47f12 JD |
532 | int n = to_sensor_dev_attr(attr)->index; |
533 | struct gl520_data *data = gl520_update_device(dev); | |
534 | ||
535 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[n])); | |
1da177e4 LT |
536 | } |
537 | ||
43da3d12 GR |
538 | static ssize_t get_temp_max_hyst(struct device *dev, |
539 | struct device_attribute *attr, char *buf) | |
1da177e4 | 540 | { |
86d47f12 JD |
541 | int n = to_sensor_dev_attr(attr)->index; |
542 | struct gl520_data *data = gl520_update_device(dev); | |
543 | ||
544 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max_hyst[n])); | |
1da177e4 LT |
545 | } |
546 | ||
86d47f12 JD |
547 | static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, |
548 | const char *buf, size_t count) | |
1da177e4 | 549 | { |
d1b9c3f5 AL |
550 | struct gl520_data *data = dev_get_drvdata(dev); |
551 | struct i2c_client *client = data->client; | |
86d47f12 | 552 | int n = to_sensor_dev_attr(attr)->index; |
43da3d12 GR |
553 | long v; |
554 | int err; | |
555 | ||
556 | err = kstrtol(buf, 10, &v); | |
557 | if (err) | |
558 | return err; | |
1da177e4 | 559 | |
9a61bf63 | 560 | mutex_lock(&data->update_lock); |
86d47f12 JD |
561 | data->temp_max[n] = TEMP_TO_REG(v); |
562 | gl520_write_value(client, GL520_REG_TEMP_MAX[n], data->temp_max[n]); | |
9a61bf63 | 563 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
564 | return count; |
565 | } | |
566 | ||
86d47f12 JD |
567 | static ssize_t set_temp_max_hyst(struct device *dev, struct device_attribute |
568 | *attr, const char *buf, size_t count) | |
1da177e4 | 569 | { |
d1b9c3f5 AL |
570 | struct gl520_data *data = dev_get_drvdata(dev); |
571 | struct i2c_client *client = data->client; | |
86d47f12 | 572 | int n = to_sensor_dev_attr(attr)->index; |
43da3d12 GR |
573 | long v; |
574 | int err; | |
575 | ||
576 | err = kstrtol(buf, 10, &v); | |
577 | if (err) | |
578 | return err; | |
1da177e4 | 579 | |
9a61bf63 | 580 | mutex_lock(&data->update_lock); |
86d47f12 JD |
581 | data->temp_max_hyst[n] = TEMP_TO_REG(v); |
582 | gl520_write_value(client, GL520_REG_TEMP_MAX_HYST[n], | |
583 | data->temp_max_hyst[n]); | |
9a61bf63 | 584 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
585 | return count; |
586 | } | |
587 | ||
86d47f12 JD |
588 | static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, get_temp_input, NULL, 0); |
589 | static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, get_temp_input, NULL, 1); | |
590 | static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR, | |
591 | get_temp_max, set_temp_max, 0); | |
592 | static SENSOR_DEVICE_ATTR(temp2_max, S_IRUGO | S_IWUSR, | |
593 | get_temp_max, set_temp_max, 1); | |
594 | static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, | |
595 | get_temp_max_hyst, set_temp_max_hyst, 0); | |
596 | static SENSOR_DEVICE_ATTR(temp2_max_hyst, S_IRUGO | S_IWUSR, | |
597 | get_temp_max_hyst, set_temp_max_hyst, 1); | |
598 | ||
599 | static ssize_t get_alarms(struct device *dev, struct device_attribute *attr, | |
600 | char *buf) | |
1da177e4 | 601 | { |
86d47f12 | 602 | struct gl520_data *data = gl520_update_device(dev); |
1da177e4 LT |
603 | return sprintf(buf, "%d\n", data->alarms); |
604 | } | |
605 | ||
86d47f12 JD |
606 | static ssize_t get_beep_enable(struct device *dev, struct device_attribute |
607 | *attr, char *buf) | |
1da177e4 | 608 | { |
86d47f12 | 609 | struct gl520_data *data = gl520_update_device(dev); |
1da177e4 LT |
610 | return sprintf(buf, "%d\n", data->beep_enable); |
611 | } | |
612 | ||
86d47f12 JD |
613 | static ssize_t get_beep_mask(struct device *dev, struct device_attribute *attr, |
614 | char *buf) | |
1da177e4 | 615 | { |
86d47f12 | 616 | struct gl520_data *data = gl520_update_device(dev); |
1da177e4 LT |
617 | return sprintf(buf, "%d\n", data->beep_mask); |
618 | } | |
619 | ||
86d47f12 JD |
620 | static ssize_t set_beep_enable(struct device *dev, struct device_attribute |
621 | *attr, const char *buf, size_t count) | |
1da177e4 | 622 | { |
d1b9c3f5 AL |
623 | struct gl520_data *data = dev_get_drvdata(dev); |
624 | struct i2c_client *client = data->client; | |
43da3d12 GR |
625 | u8 r; |
626 | unsigned long v; | |
627 | int err; | |
628 | ||
629 | err = kstrtoul(buf, 10, &v); | |
630 | if (err) | |
631 | return err; | |
632 | ||
633 | r = (v ? 0 : 1); | |
1da177e4 | 634 | |
9a61bf63 | 635 | mutex_lock(&data->update_lock); |
1da177e4 | 636 | data->beep_enable = !r; |
86d47f12 JD |
637 | gl520_write_value(client, GL520_REG_BEEP_ENABLE, |
638 | (gl520_read_value(client, GL520_REG_BEEP_ENABLE) | |
639 | & ~0x04) | (r << 2)); | |
9a61bf63 | 640 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
641 | return count; |
642 | } | |
643 | ||
86d47f12 JD |
644 | static ssize_t set_beep_mask(struct device *dev, struct device_attribute *attr, |
645 | const char *buf, size_t count) | |
1da177e4 | 646 | { |
d1b9c3f5 AL |
647 | struct gl520_data *data = dev_get_drvdata(dev); |
648 | struct i2c_client *client = data->client; | |
43da3d12 GR |
649 | unsigned long r; |
650 | int err; | |
651 | ||
652 | err = kstrtoul(buf, 10, &r); | |
653 | if (err) | |
654 | return err; | |
f28dc2f7 | 655 | |
9a61bf63 | 656 | mutex_lock(&data->update_lock); |
1da177e4 LT |
657 | r &= data->alarm_mask; |
658 | data->beep_mask = r; | |
86d47f12 | 659 | gl520_write_value(client, GL520_REG_BEEP_MASK, r); |
9a61bf63 | 660 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
661 | return count; |
662 | } | |
663 | ||
86d47f12 JD |
664 | static DEVICE_ATTR(alarms, S_IRUGO, get_alarms, NULL); |
665 | static DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR, | |
666 | get_beep_enable, set_beep_enable); | |
667 | static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR, | |
668 | get_beep_mask, set_beep_mask); | |
669 | ||
e86a7760 JD |
670 | static ssize_t get_alarm(struct device *dev, struct device_attribute *attr, |
671 | char *buf) | |
672 | { | |
673 | int bit_nr = to_sensor_dev_attr(attr)->index; | |
674 | struct gl520_data *data = gl520_update_device(dev); | |
675 | ||
676 | return sprintf(buf, "%d\n", (data->alarms >> bit_nr) & 1); | |
677 | } | |
678 | ||
679 | static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, get_alarm, NULL, 0); | |
680 | static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, get_alarm, NULL, 1); | |
681 | static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, get_alarm, NULL, 2); | |
682 | static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, get_alarm, NULL, 3); | |
683 | static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, get_alarm, NULL, 4); | |
684 | static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, get_alarm, NULL, 5); | |
685 | static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, get_alarm, NULL, 6); | |
686 | static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, get_alarm, NULL, 7); | |
687 | static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, get_alarm, NULL, 7); | |
688 | ||
689 | static ssize_t get_beep(struct device *dev, struct device_attribute *attr, | |
690 | char *buf) | |
691 | { | |
692 | int bitnr = to_sensor_dev_attr(attr)->index; | |
693 | struct gl520_data *data = gl520_update_device(dev); | |
694 | ||
695 | return sprintf(buf, "%d\n", (data->beep_mask >> bitnr) & 1); | |
696 | } | |
697 | ||
698 | static ssize_t set_beep(struct device *dev, struct device_attribute *attr, | |
699 | const char *buf, size_t count) | |
700 | { | |
d1b9c3f5 AL |
701 | struct gl520_data *data = dev_get_drvdata(dev); |
702 | struct i2c_client *client = data->client; | |
e86a7760 JD |
703 | int bitnr = to_sensor_dev_attr(attr)->index; |
704 | unsigned long bit; | |
705 | ||
43da3d12 GR |
706 | int err; |
707 | ||
708 | err = kstrtoul(buf, 10, &bit); | |
709 | if (err) | |
710 | return err; | |
e86a7760 JD |
711 | if (bit & ~1) |
712 | return -EINVAL; | |
713 | ||
714 | mutex_lock(&data->update_lock); | |
715 | data->beep_mask = gl520_read_value(client, GL520_REG_BEEP_MASK); | |
716 | if (bit) | |
717 | data->beep_mask |= (1 << bitnr); | |
718 | else | |
719 | data->beep_mask &= ~(1 << bitnr); | |
720 | gl520_write_value(client, GL520_REG_BEEP_MASK, data->beep_mask); | |
721 | mutex_unlock(&data->update_lock); | |
722 | return count; | |
723 | } | |
724 | ||
725 | static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR, get_beep, set_beep, 0); | |
726 | static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR, get_beep, set_beep, 1); | |
727 | static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR, get_beep, set_beep, 2); | |
728 | static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR, get_beep, set_beep, 3); | |
729 | static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR, get_beep, set_beep, 4); | |
730 | static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR, get_beep, set_beep, 5); | |
731 | static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR, get_beep, set_beep, 6); | |
732 | static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR, get_beep, set_beep, 7); | |
733 | static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR, get_beep, set_beep, 7); | |
734 | ||
87808be4 JD |
735 | static struct attribute *gl520_attributes[] = { |
736 | &dev_attr_cpu0_vid.attr, | |
737 | ||
86d47f12 JD |
738 | &sensor_dev_attr_in0_input.dev_attr.attr, |
739 | &sensor_dev_attr_in0_min.dev_attr.attr, | |
740 | &sensor_dev_attr_in0_max.dev_attr.attr, | |
e86a7760 JD |
741 | &sensor_dev_attr_in0_alarm.dev_attr.attr, |
742 | &sensor_dev_attr_in0_beep.dev_attr.attr, | |
86d47f12 JD |
743 | &sensor_dev_attr_in1_input.dev_attr.attr, |
744 | &sensor_dev_attr_in1_min.dev_attr.attr, | |
745 | &sensor_dev_attr_in1_max.dev_attr.attr, | |
e86a7760 JD |
746 | &sensor_dev_attr_in1_alarm.dev_attr.attr, |
747 | &sensor_dev_attr_in1_beep.dev_attr.attr, | |
86d47f12 JD |
748 | &sensor_dev_attr_in2_input.dev_attr.attr, |
749 | &sensor_dev_attr_in2_min.dev_attr.attr, | |
750 | &sensor_dev_attr_in2_max.dev_attr.attr, | |
e86a7760 JD |
751 | &sensor_dev_attr_in2_alarm.dev_attr.attr, |
752 | &sensor_dev_attr_in2_beep.dev_attr.attr, | |
86d47f12 JD |
753 | &sensor_dev_attr_in3_input.dev_attr.attr, |
754 | &sensor_dev_attr_in3_min.dev_attr.attr, | |
755 | &sensor_dev_attr_in3_max.dev_attr.attr, | |
e86a7760 JD |
756 | &sensor_dev_attr_in3_alarm.dev_attr.attr, |
757 | &sensor_dev_attr_in3_beep.dev_attr.attr, | |
86d47f12 JD |
758 | |
759 | &sensor_dev_attr_fan1_input.dev_attr.attr, | |
760 | &sensor_dev_attr_fan1_min.dev_attr.attr, | |
761 | &sensor_dev_attr_fan1_div.dev_attr.attr, | |
e86a7760 JD |
762 | &sensor_dev_attr_fan1_alarm.dev_attr.attr, |
763 | &sensor_dev_attr_fan1_beep.dev_attr.attr, | |
87808be4 | 764 | &dev_attr_fan1_off.attr, |
86d47f12 JD |
765 | &sensor_dev_attr_fan2_input.dev_attr.attr, |
766 | &sensor_dev_attr_fan2_min.dev_attr.attr, | |
767 | &sensor_dev_attr_fan2_div.dev_attr.attr, | |
e86a7760 JD |
768 | &sensor_dev_attr_fan2_alarm.dev_attr.attr, |
769 | &sensor_dev_attr_fan2_beep.dev_attr.attr, | |
87808be4 | 770 | |
86d47f12 JD |
771 | &sensor_dev_attr_temp1_input.dev_attr.attr, |
772 | &sensor_dev_attr_temp1_max.dev_attr.attr, | |
773 | &sensor_dev_attr_temp1_max_hyst.dev_attr.attr, | |
e86a7760 JD |
774 | &sensor_dev_attr_temp1_alarm.dev_attr.attr, |
775 | &sensor_dev_attr_temp1_beep.dev_attr.attr, | |
87808be4 JD |
776 | |
777 | &dev_attr_alarms.attr, | |
778 | &dev_attr_beep_enable.attr, | |
779 | &dev_attr_beep_mask.attr, | |
780 | NULL | |
781 | }; | |
782 | ||
783 | static const struct attribute_group gl520_group = { | |
784 | .attrs = gl520_attributes, | |
785 | }; | |
786 | ||
f445a9af | 787 | static struct attribute *gl520_attributes_in4[] = { |
86d47f12 JD |
788 | &sensor_dev_attr_in4_input.dev_attr.attr, |
789 | &sensor_dev_attr_in4_min.dev_attr.attr, | |
790 | &sensor_dev_attr_in4_max.dev_attr.attr, | |
e86a7760 JD |
791 | &sensor_dev_attr_in4_alarm.dev_attr.attr, |
792 | &sensor_dev_attr_in4_beep.dev_attr.attr, | |
f445a9af GR |
793 | NULL |
794 | }; | |
87808be4 | 795 | |
f445a9af | 796 | static struct attribute *gl520_attributes_temp2[] = { |
86d47f12 JD |
797 | &sensor_dev_attr_temp2_input.dev_attr.attr, |
798 | &sensor_dev_attr_temp2_max.dev_attr.attr, | |
799 | &sensor_dev_attr_temp2_max_hyst.dev_attr.attr, | |
e86a7760 JD |
800 | &sensor_dev_attr_temp2_alarm.dev_attr.attr, |
801 | &sensor_dev_attr_temp2_beep.dev_attr.attr, | |
87808be4 JD |
802 | NULL |
803 | }; | |
804 | ||
f445a9af GR |
805 | static const struct attribute_group gl520_group_in4 = { |
806 | .attrs = gl520_attributes_in4, | |
807 | }; | |
808 | ||
809 | static const struct attribute_group gl520_group_temp2 = { | |
810 | .attrs = gl520_attributes_temp2, | |
87808be4 JD |
811 | }; |
812 | ||
1da177e4 LT |
813 | |
814 | /* | |
815 | * Real code | |
816 | */ | |
817 | ||
a23a9fe1 | 818 | /* Return 0 if detection is successful, -ENODEV otherwise */ |
310ec792 | 819 | static int gl520_detect(struct i2c_client *client, struct i2c_board_info *info) |
1da177e4 | 820 | { |
a23a9fe1 | 821 | struct i2c_adapter *adapter = client->adapter; |
1da177e4 LT |
822 | |
823 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA | | |
824 | I2C_FUNC_SMBUS_WORD_DATA)) | |
a23a9fe1 | 825 | return -ENODEV; |
1da177e4 LT |
826 | |
827 | /* Determine the chip type. */ | |
52df6440 JD |
828 | if ((gl520_read_value(client, GL520_REG_CHIP_ID) != 0x20) || |
829 | ((gl520_read_value(client, GL520_REG_REVISION) & 0x7f) != 0x00) || | |
830 | ((gl520_read_value(client, GL520_REG_CONF) & 0x80) != 0x00)) { | |
831 | dev_dbg(&client->dev, "Unknown chip type, skipping\n"); | |
832 | return -ENODEV; | |
1da177e4 LT |
833 | } |
834 | ||
a23a9fe1 | 835 | strlcpy(info->type, "gl520sm", I2C_NAME_SIZE); |
1da177e4 | 836 | |
a23a9fe1 JD |
837 | return 0; |
838 | } | |
839 | ||
df51f2d7 AL |
840 | /* Called when we have found a new GL520SM. */ |
841 | static void gl520_init_client(struct i2c_client *client) | |
842 | { | |
843 | struct gl520_data *data = i2c_get_clientdata(client); | |
844 | u8 oldconf, conf; | |
845 | ||
846 | conf = oldconf = gl520_read_value(client, GL520_REG_CONF); | |
847 | ||
848 | data->alarm_mask = 0xff; | |
849 | data->vrm = vid_which_vrm(); | |
850 | ||
851 | if (extra_sensor_type == 1) | |
852 | conf &= ~0x10; | |
853 | else if (extra_sensor_type == 2) | |
854 | conf |= 0x10; | |
855 | data->two_temps = !(conf & 0x10); | |
856 | ||
857 | /* If IRQ# is disabled, we can safely force comparator mode */ | |
858 | if (!(conf & 0x20)) | |
859 | conf &= 0xf7; | |
860 | ||
861 | /* Enable monitoring if needed */ | |
862 | conf |= 0x40; | |
863 | ||
864 | if (conf != oldconf) | |
865 | gl520_write_value(client, GL520_REG_CONF, conf); | |
866 | ||
867 | gl520_update_device(&(client->dev)); | |
868 | ||
869 | if (data->fan_min[0] == 0) | |
870 | data->alarm_mask &= ~0x20; | |
871 | if (data->fan_min[1] == 0) | |
872 | data->alarm_mask &= ~0x40; | |
873 | ||
874 | data->beep_mask &= data->alarm_mask; | |
875 | gl520_write_value(client, GL520_REG_BEEP_MASK, data->beep_mask); | |
876 | } | |
877 | ||
a23a9fe1 JD |
878 | static int gl520_probe(struct i2c_client *client, |
879 | const struct i2c_device_id *id) | |
880 | { | |
d1b9c3f5 AL |
881 | struct device *dev = &client->dev; |
882 | struct device *hwmon_dev; | |
a23a9fe1 | 883 | struct gl520_data *data; |
a23a9fe1 | 884 | |
d1b9c3f5 | 885 | data = devm_kzalloc(dev, sizeof(struct gl520_data), GFP_KERNEL); |
647ff514 GR |
886 | if (!data) |
887 | return -ENOMEM; | |
a23a9fe1 JD |
888 | |
889 | i2c_set_clientdata(client, data); | |
890 | mutex_init(&data->update_lock); | |
d1b9c3f5 | 891 | data->client = client; |
1da177e4 LT |
892 | |
893 | /* Initialize the GL520SM chip */ | |
f28dc2f7 | 894 | gl520_init_client(client); |
1da177e4 | 895 | |
d1b9c3f5 AL |
896 | /* sysfs hooks */ |
897 | data->groups[0] = &gl520_group; | |
1da177e4 | 898 | |
f445a9af | 899 | if (data->two_temps) |
d1b9c3f5 | 900 | data->groups[1] = &gl520_group_temp2; |
f445a9af | 901 | else |
d1b9c3f5 | 902 | data->groups[1] = &gl520_group_in4; |
1da177e4 | 903 | |
d1b9c3f5 AL |
904 | hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, |
905 | data, data->groups); | |
906 | return PTR_ERR_OR_ZERO(hwmon_dev); | |
1da177e4 LT |
907 | } |
908 | ||
df51f2d7 AL |
909 | static const struct i2c_device_id gl520_id[] = { |
910 | { "gl520sm", 0 }, | |
911 | { } | |
912 | }; | |
913 | MODULE_DEVICE_TABLE(i2c, gl520_id); | |
1da177e4 | 914 | |
df51f2d7 AL |
915 | static struct i2c_driver gl520_driver = { |
916 | .class = I2C_CLASS_HWMON, | |
917 | .driver = { | |
918 | .name = "gl520sm", | |
919 | }, | |
920 | .probe = gl520_probe, | |
df51f2d7 AL |
921 | .id_table = gl520_id, |
922 | .detect = gl520_detect, | |
923 | .address_list = normal_i2c, | |
924 | }; | |
1da177e4 | 925 | |
f0967eea | 926 | module_i2c_driver(gl520_driver); |
1da177e4 LT |
927 | |
928 | MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, " | |
96de0e25 | 929 | "Kyösti Mälkki <kmalkki@cc.hut.fi>, " |
1da177e4 LT |
930 | "Maarten Deprez <maartendeprez@users.sourceforge.net>"); |
931 | MODULE_DESCRIPTION("GL520SM driver"); | |
932 | MODULE_LICENSE("GPL"); |