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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 | ||
2579b7ff JL |
203 | static ssize_t cpu0_vid_show(struct device *dev, |
204 | struct device_attribute *attr, 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 | } | |
2579b7ff | 209 | static DEVICE_ATTR_RO(cpu0_vid); |
1da177e4 | 210 | |
87cdfa9d GR |
211 | #define VDD_FROM_REG(val) DIV_ROUND_CLOSEST((val) * 95, 4) |
212 | #define VDD_CLAMP(val) clamp_val(val, 0, 255 * 95 / 4) | |
213 | #define VDD_TO_REG(val) DIV_ROUND_CLOSEST(VDD_CLAMP(val) * 4, 95) | |
1da177e4 | 214 | |
87cdfa9d GR |
215 | #define IN_FROM_REG(val) ((val) * 19) |
216 | #define IN_CLAMP(val) clamp_val(val, 0, 255 * 19) | |
217 | #define IN_TO_REG(val) DIV_ROUND_CLOSEST(IN_CLAMP(val), 19) | |
1da177e4 | 218 | |
86d47f12 JD |
219 | static ssize_t get_in_input(struct device *dev, struct device_attribute *attr, |
220 | char *buf) | |
1da177e4 | 221 | { |
86d47f12 JD |
222 | int n = to_sensor_dev_attr(attr)->index; |
223 | struct gl520_data *data = gl520_update_device(dev); | |
1da177e4 LT |
224 | u8 r = data->in_input[n]; |
225 | ||
226 | if (n == 0) | |
227 | return sprintf(buf, "%d\n", VDD_FROM_REG(r)); | |
228 | else | |
229 | return sprintf(buf, "%d\n", IN_FROM_REG(r)); | |
230 | } | |
231 | ||
86d47f12 JD |
232 | static ssize_t get_in_min(struct device *dev, struct device_attribute *attr, |
233 | char *buf) | |
1da177e4 | 234 | { |
86d47f12 JD |
235 | int n = to_sensor_dev_attr(attr)->index; |
236 | struct gl520_data *data = gl520_update_device(dev); | |
1da177e4 LT |
237 | u8 r = data->in_min[n]; |
238 | ||
239 | if (n == 0) | |
240 | return sprintf(buf, "%d\n", VDD_FROM_REG(r)); | |
241 | else | |
242 | return sprintf(buf, "%d\n", IN_FROM_REG(r)); | |
243 | } | |
244 | ||
86d47f12 JD |
245 | static ssize_t get_in_max(struct device *dev, struct device_attribute *attr, |
246 | char *buf) | |
1da177e4 | 247 | { |
86d47f12 JD |
248 | int n = to_sensor_dev_attr(attr)->index; |
249 | struct gl520_data *data = gl520_update_device(dev); | |
1da177e4 LT |
250 | u8 r = data->in_max[n]; |
251 | ||
252 | if (n == 0) | |
253 | return sprintf(buf, "%d\n", VDD_FROM_REG(r)); | |
254 | else | |
255 | return sprintf(buf, "%d\n", IN_FROM_REG(r)); | |
256 | } | |
257 | ||
86d47f12 JD |
258 | static ssize_t set_in_min(struct device *dev, struct device_attribute *attr, |
259 | const char *buf, size_t count) | |
1da177e4 | 260 | { |
d1b9c3f5 AL |
261 | struct gl520_data *data = dev_get_drvdata(dev); |
262 | struct i2c_client *client = data->client; | |
86d47f12 | 263 | int n = to_sensor_dev_attr(attr)->index; |
1da177e4 | 264 | u8 r; |
43da3d12 GR |
265 | long v; |
266 | int err; | |
267 | ||
268 | err = kstrtol(buf, 10, &v); | |
269 | if (err) | |
270 | return err; | |
1da177e4 | 271 | |
9a61bf63 | 272 | mutex_lock(&data->update_lock); |
1da177e4 LT |
273 | |
274 | if (n == 0) | |
275 | r = VDD_TO_REG(v); | |
276 | else | |
277 | r = IN_TO_REG(v); | |
278 | ||
279 | data->in_min[n] = r; | |
280 | ||
281 | if (n < 4) | |
86d47f12 JD |
282 | gl520_write_value(client, GL520_REG_IN_MIN[n], |
283 | (gl520_read_value(client, GL520_REG_IN_MIN[n]) | |
284 | & ~0xff) | r); | |
1da177e4 | 285 | else |
86d47f12 | 286 | gl520_write_value(client, GL520_REG_IN_MIN[n], r); |
1da177e4 | 287 | |
9a61bf63 | 288 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
289 | return count; |
290 | } | |
291 | ||
86d47f12 JD |
292 | static ssize_t set_in_max(struct device *dev, struct device_attribute *attr, |
293 | const char *buf, size_t count) | |
1da177e4 | 294 | { |
d1b9c3f5 AL |
295 | struct gl520_data *data = dev_get_drvdata(dev); |
296 | struct i2c_client *client = data->client; | |
86d47f12 | 297 | int n = to_sensor_dev_attr(attr)->index; |
1da177e4 | 298 | u8 r; |
43da3d12 GR |
299 | long v; |
300 | int err; | |
301 | ||
302 | err = kstrtol(buf, 10, &v); | |
303 | if (err) | |
304 | return err; | |
1da177e4 LT |
305 | |
306 | if (n == 0) | |
307 | r = VDD_TO_REG(v); | |
308 | else | |
309 | r = IN_TO_REG(v); | |
310 | ||
9a61bf63 | 311 | mutex_lock(&data->update_lock); |
1da177e4 LT |
312 | |
313 | data->in_max[n] = r; | |
314 | ||
315 | if (n < 4) | |
86d47f12 JD |
316 | gl520_write_value(client, GL520_REG_IN_MAX[n], |
317 | (gl520_read_value(client, GL520_REG_IN_MAX[n]) | |
318 | & ~0xff00) | (r << 8)); | |
1da177e4 | 319 | else |
86d47f12 | 320 | gl520_write_value(client, GL520_REG_IN_MAX[n], r); |
1da177e4 | 321 | |
9a61bf63 | 322 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
323 | return count; |
324 | } | |
325 | ||
86d47f12 JD |
326 | static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, get_in_input, NULL, 0); |
327 | static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, get_in_input, NULL, 1); | |
328 | static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, get_in_input, NULL, 2); | |
329 | static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, get_in_input, NULL, 3); | |
330 | static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, get_in_input, NULL, 4); | |
331 | static SENSOR_DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR, | |
332 | get_in_min, set_in_min, 0); | |
333 | static SENSOR_DEVICE_ATTR(in1_min, S_IRUGO | S_IWUSR, | |
334 | get_in_min, set_in_min, 1); | |
335 | static SENSOR_DEVICE_ATTR(in2_min, S_IRUGO | S_IWUSR, | |
336 | get_in_min, set_in_min, 2); | |
337 | static SENSOR_DEVICE_ATTR(in3_min, S_IRUGO | S_IWUSR, | |
338 | get_in_min, set_in_min, 3); | |
339 | static SENSOR_DEVICE_ATTR(in4_min, S_IRUGO | S_IWUSR, | |
340 | get_in_min, set_in_min, 4); | |
341 | static SENSOR_DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR, | |
342 | get_in_max, set_in_max, 0); | |
343 | static SENSOR_DEVICE_ATTR(in1_max, S_IRUGO | S_IWUSR, | |
344 | get_in_max, set_in_max, 1); | |
345 | static SENSOR_DEVICE_ATTR(in2_max, S_IRUGO | S_IWUSR, | |
346 | get_in_max, set_in_max, 2); | |
347 | static SENSOR_DEVICE_ATTR(in3_max, S_IRUGO | S_IWUSR, | |
348 | get_in_max, set_in_max, 3); | |
349 | static SENSOR_DEVICE_ATTR(in4_max, S_IRUGO | S_IWUSR, | |
350 | get_in_max, set_in_max, 4); | |
351 | ||
1da177e4 | 352 | #define DIV_FROM_REG(val) (1 << (val)) |
43da3d12 | 353 | #define FAN_FROM_REG(val, div) ((val) == 0 ? 0 : (480000 / ((val) << (div)))) |
87cdfa9d GR |
354 | |
355 | #define FAN_BASE(div) (480000 >> (div)) | |
356 | #define FAN_CLAMP(val, div) clamp_val(val, FAN_BASE(div) / 255, \ | |
357 | FAN_BASE(div)) | |
358 | #define FAN_TO_REG(val, div) ((val) == 0 ? 0 : \ | |
359 | DIV_ROUND_CLOSEST(480000, \ | |
360 | FAN_CLAMP(val, div) << (div))) | |
1da177e4 | 361 | |
86d47f12 JD |
362 | static ssize_t get_fan_input(struct device *dev, struct device_attribute *attr, |
363 | char *buf) | |
1da177e4 | 364 | { |
86d47f12 JD |
365 | int n = to_sensor_dev_attr(attr)->index; |
366 | struct gl520_data *data = gl520_update_device(dev); | |
367 | ||
368 | return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_input[n], | |
369 | data->fan_div[n])); | |
1da177e4 LT |
370 | } |
371 | ||
86d47f12 JD |
372 | static ssize_t get_fan_min(struct device *dev, struct device_attribute *attr, |
373 | char *buf) | |
1da177e4 | 374 | { |
86d47f12 JD |
375 | int n = to_sensor_dev_attr(attr)->index; |
376 | struct gl520_data *data = gl520_update_device(dev); | |
377 | ||
378 | return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[n], | |
379 | data->fan_div[n])); | |
1da177e4 LT |
380 | } |
381 | ||
86d47f12 JD |
382 | static ssize_t get_fan_div(struct device *dev, struct device_attribute *attr, |
383 | char *buf) | |
1da177e4 | 384 | { |
86d47f12 JD |
385 | int n = to_sensor_dev_attr(attr)->index; |
386 | struct gl520_data *data = gl520_update_device(dev); | |
387 | ||
388 | return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[n])); | |
1da177e4 LT |
389 | } |
390 | ||
2579b7ff JL |
391 | static ssize_t fan1_off_show(struct device *dev, |
392 | struct device_attribute *attr, char *buf) | |
1da177e4 | 393 | { |
86d47f12 | 394 | struct gl520_data *data = gl520_update_device(dev); |
1da177e4 LT |
395 | return sprintf(buf, "%d\n", data->fan_off); |
396 | } | |
397 | ||
86d47f12 JD |
398 | static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr, |
399 | const char *buf, size_t count) | |
1da177e4 | 400 | { |
d1b9c3f5 AL |
401 | struct gl520_data *data = dev_get_drvdata(dev); |
402 | struct i2c_client *client = data->client; | |
86d47f12 | 403 | int n = to_sensor_dev_attr(attr)->index; |
1da177e4 | 404 | u8 r; |
43da3d12 GR |
405 | unsigned long v; |
406 | int err; | |
407 | ||
408 | err = kstrtoul(buf, 10, &v); | |
409 | if (err) | |
410 | return err; | |
1da177e4 | 411 | |
9a61bf63 | 412 | mutex_lock(&data->update_lock); |
86d47f12 JD |
413 | r = FAN_TO_REG(v, data->fan_div[n]); |
414 | data->fan_min[n] = r; | |
1da177e4 | 415 | |
86d47f12 JD |
416 | if (n == 0) |
417 | gl520_write_value(client, GL520_REG_FAN_MIN, | |
418 | (gl520_read_value(client, GL520_REG_FAN_MIN) | |
419 | & ~0xff00) | (r << 8)); | |
1da177e4 | 420 | else |
86d47f12 JD |
421 | gl520_write_value(client, GL520_REG_FAN_MIN, |
422 | (gl520_read_value(client, GL520_REG_FAN_MIN) | |
423 | & ~0xff) | r); | |
1da177e4 LT |
424 | |
425 | data->beep_mask = gl520_read_value(client, GL520_REG_BEEP_MASK); | |
86d47f12 JD |
426 | if (data->fan_min[n] == 0) |
427 | data->alarm_mask &= (n == 0) ? ~0x20 : ~0x40; | |
1da177e4 | 428 | else |
86d47f12 | 429 | data->alarm_mask |= (n == 0) ? 0x20 : 0x40; |
1da177e4 LT |
430 | data->beep_mask &= data->alarm_mask; |
431 | gl520_write_value(client, GL520_REG_BEEP_MASK, data->beep_mask); | |
432 | ||
9a61bf63 | 433 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
434 | return count; |
435 | } | |
436 | ||
86d47f12 JD |
437 | static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr, |
438 | const char *buf, size_t count) | |
1da177e4 | 439 | { |
d1b9c3f5 AL |
440 | struct gl520_data *data = dev_get_drvdata(dev); |
441 | struct i2c_client *client = data->client; | |
86d47f12 | 442 | int n = to_sensor_dev_attr(attr)->index; |
1da177e4 | 443 | u8 r; |
43da3d12 GR |
444 | unsigned long v; |
445 | int err; | |
446 | ||
447 | err = kstrtoul(buf, 10, &v); | |
448 | if (err) | |
449 | return err; | |
1da177e4 LT |
450 | |
451 | switch (v) { | |
43da3d12 GR |
452 | case 1: |
453 | r = 0; | |
454 | break; | |
455 | case 2: | |
456 | r = 1; | |
457 | break; | |
458 | case 4: | |
459 | r = 2; | |
460 | break; | |
461 | case 8: | |
462 | r = 3; | |
463 | break; | |
1da177e4 | 464 | default: |
43da3d12 GR |
465 | dev_err(&client->dev, |
466 | "fan_div value %ld not supported. Choose one of 1, 2, 4 or 8!\n", v); | |
1da177e4 LT |
467 | return -EINVAL; |
468 | } | |
469 | ||
9a61bf63 | 470 | mutex_lock(&data->update_lock); |
86d47f12 | 471 | data->fan_div[n] = r; |
1da177e4 | 472 | |
86d47f12 JD |
473 | if (n == 0) |
474 | gl520_write_value(client, GL520_REG_FAN_DIV, | |
475 | (gl520_read_value(client, GL520_REG_FAN_DIV) | |
476 | & ~0xc0) | (r << 6)); | |
1da177e4 | 477 | else |
86d47f12 JD |
478 | gl520_write_value(client, GL520_REG_FAN_DIV, |
479 | (gl520_read_value(client, GL520_REG_FAN_DIV) | |
480 | & ~0x30) | (r << 4)); | |
1da177e4 | 481 | |
9a61bf63 | 482 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
483 | return count; |
484 | } | |
485 | ||
2579b7ff JL |
486 | static ssize_t fan1_off_store(struct device *dev, |
487 | struct device_attribute *attr, const char *buf, | |
488 | size_t count) | |
1da177e4 | 489 | { |
d1b9c3f5 AL |
490 | struct gl520_data *data = dev_get_drvdata(dev); |
491 | struct i2c_client *client = data->client; | |
43da3d12 GR |
492 | u8 r; |
493 | unsigned long v; | |
494 | int err; | |
495 | ||
496 | err = kstrtoul(buf, 10, &v); | |
497 | if (err) | |
498 | return err; | |
499 | ||
500 | r = (v ? 1 : 0); | |
1da177e4 | 501 | |
9a61bf63 | 502 | mutex_lock(&data->update_lock); |
1da177e4 | 503 | data->fan_off = r; |
86d47f12 JD |
504 | gl520_write_value(client, GL520_REG_FAN_OFF, |
505 | (gl520_read_value(client, GL520_REG_FAN_OFF) | |
506 | & ~0x0c) | (r << 2)); | |
9a61bf63 | 507 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
508 | return count; |
509 | } | |
510 | ||
86d47f12 JD |
511 | static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, get_fan_input, NULL, 0); |
512 | static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, get_fan_input, NULL, 1); | |
513 | static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO | S_IWUSR, | |
514 | get_fan_min, set_fan_min, 0); | |
515 | static SENSOR_DEVICE_ATTR(fan2_min, S_IRUGO | S_IWUSR, | |
516 | get_fan_min, set_fan_min, 1); | |
517 | static SENSOR_DEVICE_ATTR(fan1_div, S_IRUGO | S_IWUSR, | |
518 | get_fan_div, set_fan_div, 0); | |
519 | static SENSOR_DEVICE_ATTR(fan2_div, S_IRUGO | S_IWUSR, | |
520 | get_fan_div, set_fan_div, 1); | |
2579b7ff | 521 | static DEVICE_ATTR_RW(fan1_off); |
86d47f12 | 522 | |
87cdfa9d GR |
523 | #define TEMP_FROM_REG(val) (((val) - 130) * 1000) |
524 | #define TEMP_CLAMP(val) clamp_val(val, -130000, 125000) | |
525 | #define TEMP_TO_REG(val) (DIV_ROUND_CLOSEST(TEMP_CLAMP(val), 1000) + 130) | |
1da177e4 | 526 | |
86d47f12 JD |
527 | static ssize_t get_temp_input(struct device *dev, struct device_attribute *attr, |
528 | char *buf) | |
1da177e4 | 529 | { |
86d47f12 JD |
530 | int n = to_sensor_dev_attr(attr)->index; |
531 | struct gl520_data *data = gl520_update_device(dev); | |
532 | ||
533 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_input[n])); | |
1da177e4 LT |
534 | } |
535 | ||
86d47f12 JD |
536 | static ssize_t get_temp_max(struct device *dev, struct device_attribute *attr, |
537 | char *buf) | |
1da177e4 | 538 | { |
86d47f12 JD |
539 | int n = to_sensor_dev_attr(attr)->index; |
540 | struct gl520_data *data = gl520_update_device(dev); | |
541 | ||
542 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[n])); | |
1da177e4 LT |
543 | } |
544 | ||
43da3d12 GR |
545 | static ssize_t get_temp_max_hyst(struct device *dev, |
546 | struct device_attribute *attr, char *buf) | |
1da177e4 | 547 | { |
86d47f12 JD |
548 | int n = to_sensor_dev_attr(attr)->index; |
549 | struct gl520_data *data = gl520_update_device(dev); | |
550 | ||
551 | return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max_hyst[n])); | |
1da177e4 LT |
552 | } |
553 | ||
86d47f12 JD |
554 | static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr, |
555 | const char *buf, size_t count) | |
1da177e4 | 556 | { |
d1b9c3f5 AL |
557 | struct gl520_data *data = dev_get_drvdata(dev); |
558 | struct i2c_client *client = data->client; | |
86d47f12 | 559 | int n = to_sensor_dev_attr(attr)->index; |
43da3d12 GR |
560 | long v; |
561 | int err; | |
562 | ||
563 | err = kstrtol(buf, 10, &v); | |
564 | if (err) | |
565 | return err; | |
1da177e4 | 566 | |
9a61bf63 | 567 | mutex_lock(&data->update_lock); |
86d47f12 JD |
568 | data->temp_max[n] = TEMP_TO_REG(v); |
569 | gl520_write_value(client, GL520_REG_TEMP_MAX[n], data->temp_max[n]); | |
9a61bf63 | 570 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
571 | return count; |
572 | } | |
573 | ||
86d47f12 JD |
574 | static ssize_t set_temp_max_hyst(struct device *dev, struct device_attribute |
575 | *attr, const char *buf, size_t count) | |
1da177e4 | 576 | { |
d1b9c3f5 AL |
577 | struct gl520_data *data = dev_get_drvdata(dev); |
578 | struct i2c_client *client = data->client; | |
86d47f12 | 579 | int n = to_sensor_dev_attr(attr)->index; |
43da3d12 GR |
580 | long v; |
581 | int err; | |
582 | ||
583 | err = kstrtol(buf, 10, &v); | |
584 | if (err) | |
585 | return err; | |
1da177e4 | 586 | |
9a61bf63 | 587 | mutex_lock(&data->update_lock); |
86d47f12 JD |
588 | data->temp_max_hyst[n] = TEMP_TO_REG(v); |
589 | gl520_write_value(client, GL520_REG_TEMP_MAX_HYST[n], | |
590 | data->temp_max_hyst[n]); | |
9a61bf63 | 591 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
592 | return count; |
593 | } | |
594 | ||
86d47f12 JD |
595 | static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, get_temp_input, NULL, 0); |
596 | static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, get_temp_input, NULL, 1); | |
597 | static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR, | |
598 | get_temp_max, set_temp_max, 0); | |
599 | static SENSOR_DEVICE_ATTR(temp2_max, S_IRUGO | S_IWUSR, | |
600 | get_temp_max, set_temp_max, 1); | |
601 | static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, | |
602 | get_temp_max_hyst, set_temp_max_hyst, 0); | |
603 | static SENSOR_DEVICE_ATTR(temp2_max_hyst, S_IRUGO | S_IWUSR, | |
604 | get_temp_max_hyst, set_temp_max_hyst, 1); | |
605 | ||
2579b7ff JL |
606 | static ssize_t alarms_show(struct device *dev, struct device_attribute *attr, |
607 | char *buf) | |
1da177e4 | 608 | { |
86d47f12 | 609 | struct gl520_data *data = gl520_update_device(dev); |
1da177e4 LT |
610 | return sprintf(buf, "%d\n", data->alarms); |
611 | } | |
612 | ||
2579b7ff JL |
613 | static ssize_t beep_enable_show(struct device *dev, |
614 | struct device_attribute *attr, char *buf) | |
1da177e4 | 615 | { |
86d47f12 | 616 | struct gl520_data *data = gl520_update_device(dev); |
1da177e4 LT |
617 | return sprintf(buf, "%d\n", data->beep_enable); |
618 | } | |
619 | ||
2579b7ff JL |
620 | static ssize_t beep_mask_show(struct device *dev, |
621 | struct device_attribute *attr, char *buf) | |
1da177e4 | 622 | { |
86d47f12 | 623 | struct gl520_data *data = gl520_update_device(dev); |
1da177e4 LT |
624 | return sprintf(buf, "%d\n", data->beep_mask); |
625 | } | |
626 | ||
2579b7ff JL |
627 | static ssize_t beep_enable_store(struct device *dev, |
628 | struct device_attribute *attr, | |
629 | const char *buf, size_t count) | |
1da177e4 | 630 | { |
d1b9c3f5 AL |
631 | struct gl520_data *data = dev_get_drvdata(dev); |
632 | struct i2c_client *client = data->client; | |
43da3d12 GR |
633 | u8 r; |
634 | unsigned long v; | |
635 | int err; | |
636 | ||
637 | err = kstrtoul(buf, 10, &v); | |
638 | if (err) | |
639 | return err; | |
640 | ||
641 | r = (v ? 0 : 1); | |
1da177e4 | 642 | |
9a61bf63 | 643 | mutex_lock(&data->update_lock); |
1da177e4 | 644 | data->beep_enable = !r; |
86d47f12 JD |
645 | gl520_write_value(client, GL520_REG_BEEP_ENABLE, |
646 | (gl520_read_value(client, GL520_REG_BEEP_ENABLE) | |
647 | & ~0x04) | (r << 2)); | |
9a61bf63 | 648 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
649 | return count; |
650 | } | |
651 | ||
2579b7ff JL |
652 | static ssize_t beep_mask_store(struct device *dev, |
653 | struct device_attribute *attr, const char *buf, | |
654 | size_t count) | |
1da177e4 | 655 | { |
d1b9c3f5 AL |
656 | struct gl520_data *data = dev_get_drvdata(dev); |
657 | struct i2c_client *client = data->client; | |
43da3d12 GR |
658 | unsigned long r; |
659 | int err; | |
660 | ||
661 | err = kstrtoul(buf, 10, &r); | |
662 | if (err) | |
663 | return err; | |
f28dc2f7 | 664 | |
9a61bf63 | 665 | mutex_lock(&data->update_lock); |
1da177e4 LT |
666 | r &= data->alarm_mask; |
667 | data->beep_mask = r; | |
86d47f12 | 668 | gl520_write_value(client, GL520_REG_BEEP_MASK, r); |
9a61bf63 | 669 | mutex_unlock(&data->update_lock); |
1da177e4 LT |
670 | return count; |
671 | } | |
672 | ||
2579b7ff JL |
673 | static DEVICE_ATTR_RO(alarms); |
674 | static DEVICE_ATTR_RW(beep_enable); | |
675 | static DEVICE_ATTR_RW(beep_mask); | |
86d47f12 | 676 | |
e86a7760 JD |
677 | static ssize_t get_alarm(struct device *dev, struct device_attribute *attr, |
678 | char *buf) | |
679 | { | |
680 | int bit_nr = to_sensor_dev_attr(attr)->index; | |
681 | struct gl520_data *data = gl520_update_device(dev); | |
682 | ||
683 | return sprintf(buf, "%d\n", (data->alarms >> bit_nr) & 1); | |
684 | } | |
685 | ||
686 | static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, get_alarm, NULL, 0); | |
687 | static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, get_alarm, NULL, 1); | |
688 | static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, get_alarm, NULL, 2); | |
689 | static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, get_alarm, NULL, 3); | |
690 | static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, get_alarm, NULL, 4); | |
691 | static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, get_alarm, NULL, 5); | |
692 | static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, get_alarm, NULL, 6); | |
693 | static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, get_alarm, NULL, 7); | |
694 | static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, get_alarm, NULL, 7); | |
695 | ||
696 | static ssize_t get_beep(struct device *dev, struct device_attribute *attr, | |
697 | char *buf) | |
698 | { | |
699 | int bitnr = to_sensor_dev_attr(attr)->index; | |
700 | struct gl520_data *data = gl520_update_device(dev); | |
701 | ||
702 | return sprintf(buf, "%d\n", (data->beep_mask >> bitnr) & 1); | |
703 | } | |
704 | ||
705 | static ssize_t set_beep(struct device *dev, struct device_attribute *attr, | |
706 | const char *buf, size_t count) | |
707 | { | |
d1b9c3f5 AL |
708 | struct gl520_data *data = dev_get_drvdata(dev); |
709 | struct i2c_client *client = data->client; | |
e86a7760 JD |
710 | int bitnr = to_sensor_dev_attr(attr)->index; |
711 | unsigned long bit; | |
712 | ||
43da3d12 GR |
713 | int err; |
714 | ||
715 | err = kstrtoul(buf, 10, &bit); | |
716 | if (err) | |
717 | return err; | |
e86a7760 JD |
718 | if (bit & ~1) |
719 | return -EINVAL; | |
720 | ||
721 | mutex_lock(&data->update_lock); | |
722 | data->beep_mask = gl520_read_value(client, GL520_REG_BEEP_MASK); | |
723 | if (bit) | |
724 | data->beep_mask |= (1 << bitnr); | |
725 | else | |
726 | data->beep_mask &= ~(1 << bitnr); | |
727 | gl520_write_value(client, GL520_REG_BEEP_MASK, data->beep_mask); | |
728 | mutex_unlock(&data->update_lock); | |
729 | return count; | |
730 | } | |
731 | ||
732 | static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR, get_beep, set_beep, 0); | |
733 | static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO | S_IWUSR, get_beep, set_beep, 1); | |
734 | static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO | S_IWUSR, get_beep, set_beep, 2); | |
735 | static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO | S_IWUSR, get_beep, set_beep, 3); | |
736 | static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR, get_beep, set_beep, 4); | |
737 | static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO | S_IWUSR, get_beep, set_beep, 5); | |
738 | static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO | S_IWUSR, get_beep, set_beep, 6); | |
739 | static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR, get_beep, set_beep, 7); | |
740 | static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO | S_IWUSR, get_beep, set_beep, 7); | |
741 | ||
87808be4 JD |
742 | static struct attribute *gl520_attributes[] = { |
743 | &dev_attr_cpu0_vid.attr, | |
744 | ||
86d47f12 JD |
745 | &sensor_dev_attr_in0_input.dev_attr.attr, |
746 | &sensor_dev_attr_in0_min.dev_attr.attr, | |
747 | &sensor_dev_attr_in0_max.dev_attr.attr, | |
e86a7760 JD |
748 | &sensor_dev_attr_in0_alarm.dev_attr.attr, |
749 | &sensor_dev_attr_in0_beep.dev_attr.attr, | |
86d47f12 JD |
750 | &sensor_dev_attr_in1_input.dev_attr.attr, |
751 | &sensor_dev_attr_in1_min.dev_attr.attr, | |
752 | &sensor_dev_attr_in1_max.dev_attr.attr, | |
e86a7760 JD |
753 | &sensor_dev_attr_in1_alarm.dev_attr.attr, |
754 | &sensor_dev_attr_in1_beep.dev_attr.attr, | |
86d47f12 JD |
755 | &sensor_dev_attr_in2_input.dev_attr.attr, |
756 | &sensor_dev_attr_in2_min.dev_attr.attr, | |
757 | &sensor_dev_attr_in2_max.dev_attr.attr, | |
e86a7760 JD |
758 | &sensor_dev_attr_in2_alarm.dev_attr.attr, |
759 | &sensor_dev_attr_in2_beep.dev_attr.attr, | |
86d47f12 JD |
760 | &sensor_dev_attr_in3_input.dev_attr.attr, |
761 | &sensor_dev_attr_in3_min.dev_attr.attr, | |
762 | &sensor_dev_attr_in3_max.dev_attr.attr, | |
e86a7760 JD |
763 | &sensor_dev_attr_in3_alarm.dev_attr.attr, |
764 | &sensor_dev_attr_in3_beep.dev_attr.attr, | |
86d47f12 JD |
765 | |
766 | &sensor_dev_attr_fan1_input.dev_attr.attr, | |
767 | &sensor_dev_attr_fan1_min.dev_attr.attr, | |
768 | &sensor_dev_attr_fan1_div.dev_attr.attr, | |
e86a7760 JD |
769 | &sensor_dev_attr_fan1_alarm.dev_attr.attr, |
770 | &sensor_dev_attr_fan1_beep.dev_attr.attr, | |
87808be4 | 771 | &dev_attr_fan1_off.attr, |
86d47f12 JD |
772 | &sensor_dev_attr_fan2_input.dev_attr.attr, |
773 | &sensor_dev_attr_fan2_min.dev_attr.attr, | |
774 | &sensor_dev_attr_fan2_div.dev_attr.attr, | |
e86a7760 JD |
775 | &sensor_dev_attr_fan2_alarm.dev_attr.attr, |
776 | &sensor_dev_attr_fan2_beep.dev_attr.attr, | |
87808be4 | 777 | |
86d47f12 JD |
778 | &sensor_dev_attr_temp1_input.dev_attr.attr, |
779 | &sensor_dev_attr_temp1_max.dev_attr.attr, | |
780 | &sensor_dev_attr_temp1_max_hyst.dev_attr.attr, | |
e86a7760 JD |
781 | &sensor_dev_attr_temp1_alarm.dev_attr.attr, |
782 | &sensor_dev_attr_temp1_beep.dev_attr.attr, | |
87808be4 JD |
783 | |
784 | &dev_attr_alarms.attr, | |
785 | &dev_attr_beep_enable.attr, | |
786 | &dev_attr_beep_mask.attr, | |
787 | NULL | |
788 | }; | |
789 | ||
790 | static const struct attribute_group gl520_group = { | |
791 | .attrs = gl520_attributes, | |
792 | }; | |
793 | ||
f445a9af | 794 | static struct attribute *gl520_attributes_in4[] = { |
86d47f12 JD |
795 | &sensor_dev_attr_in4_input.dev_attr.attr, |
796 | &sensor_dev_attr_in4_min.dev_attr.attr, | |
797 | &sensor_dev_attr_in4_max.dev_attr.attr, | |
e86a7760 JD |
798 | &sensor_dev_attr_in4_alarm.dev_attr.attr, |
799 | &sensor_dev_attr_in4_beep.dev_attr.attr, | |
f445a9af GR |
800 | NULL |
801 | }; | |
87808be4 | 802 | |
f445a9af | 803 | static struct attribute *gl520_attributes_temp2[] = { |
86d47f12 JD |
804 | &sensor_dev_attr_temp2_input.dev_attr.attr, |
805 | &sensor_dev_attr_temp2_max.dev_attr.attr, | |
806 | &sensor_dev_attr_temp2_max_hyst.dev_attr.attr, | |
e86a7760 JD |
807 | &sensor_dev_attr_temp2_alarm.dev_attr.attr, |
808 | &sensor_dev_attr_temp2_beep.dev_attr.attr, | |
87808be4 JD |
809 | NULL |
810 | }; | |
811 | ||
f445a9af GR |
812 | static const struct attribute_group gl520_group_in4 = { |
813 | .attrs = gl520_attributes_in4, | |
814 | }; | |
815 | ||
816 | static const struct attribute_group gl520_group_temp2 = { | |
817 | .attrs = gl520_attributes_temp2, | |
87808be4 JD |
818 | }; |
819 | ||
1da177e4 LT |
820 | |
821 | /* | |
822 | * Real code | |
823 | */ | |
824 | ||
a23a9fe1 | 825 | /* Return 0 if detection is successful, -ENODEV otherwise */ |
310ec792 | 826 | static int gl520_detect(struct i2c_client *client, struct i2c_board_info *info) |
1da177e4 | 827 | { |
a23a9fe1 | 828 | struct i2c_adapter *adapter = client->adapter; |
1da177e4 LT |
829 | |
830 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA | | |
831 | I2C_FUNC_SMBUS_WORD_DATA)) | |
a23a9fe1 | 832 | return -ENODEV; |
1da177e4 LT |
833 | |
834 | /* Determine the chip type. */ | |
52df6440 JD |
835 | if ((gl520_read_value(client, GL520_REG_CHIP_ID) != 0x20) || |
836 | ((gl520_read_value(client, GL520_REG_REVISION) & 0x7f) != 0x00) || | |
837 | ((gl520_read_value(client, GL520_REG_CONF) & 0x80) != 0x00)) { | |
838 | dev_dbg(&client->dev, "Unknown chip type, skipping\n"); | |
839 | return -ENODEV; | |
1da177e4 LT |
840 | } |
841 | ||
a23a9fe1 | 842 | strlcpy(info->type, "gl520sm", I2C_NAME_SIZE); |
1da177e4 | 843 | |
a23a9fe1 JD |
844 | return 0; |
845 | } | |
846 | ||
df51f2d7 AL |
847 | /* Called when we have found a new GL520SM. */ |
848 | static void gl520_init_client(struct i2c_client *client) | |
849 | { | |
850 | struct gl520_data *data = i2c_get_clientdata(client); | |
851 | u8 oldconf, conf; | |
852 | ||
853 | conf = oldconf = gl520_read_value(client, GL520_REG_CONF); | |
854 | ||
855 | data->alarm_mask = 0xff; | |
856 | data->vrm = vid_which_vrm(); | |
857 | ||
858 | if (extra_sensor_type == 1) | |
859 | conf &= ~0x10; | |
860 | else if (extra_sensor_type == 2) | |
861 | conf |= 0x10; | |
862 | data->two_temps = !(conf & 0x10); | |
863 | ||
864 | /* If IRQ# is disabled, we can safely force comparator mode */ | |
865 | if (!(conf & 0x20)) | |
866 | conf &= 0xf7; | |
867 | ||
868 | /* Enable monitoring if needed */ | |
869 | conf |= 0x40; | |
870 | ||
871 | if (conf != oldconf) | |
872 | gl520_write_value(client, GL520_REG_CONF, conf); | |
873 | ||
874 | gl520_update_device(&(client->dev)); | |
875 | ||
876 | if (data->fan_min[0] == 0) | |
877 | data->alarm_mask &= ~0x20; | |
878 | if (data->fan_min[1] == 0) | |
879 | data->alarm_mask &= ~0x40; | |
880 | ||
881 | data->beep_mask &= data->alarm_mask; | |
882 | gl520_write_value(client, GL520_REG_BEEP_MASK, data->beep_mask); | |
883 | } | |
884 | ||
a23a9fe1 JD |
885 | static int gl520_probe(struct i2c_client *client, |
886 | const struct i2c_device_id *id) | |
887 | { | |
d1b9c3f5 AL |
888 | struct device *dev = &client->dev; |
889 | struct device *hwmon_dev; | |
a23a9fe1 | 890 | struct gl520_data *data; |
a23a9fe1 | 891 | |
d1b9c3f5 | 892 | data = devm_kzalloc(dev, sizeof(struct gl520_data), GFP_KERNEL); |
647ff514 GR |
893 | if (!data) |
894 | return -ENOMEM; | |
a23a9fe1 JD |
895 | |
896 | i2c_set_clientdata(client, data); | |
897 | mutex_init(&data->update_lock); | |
d1b9c3f5 | 898 | data->client = client; |
1da177e4 LT |
899 | |
900 | /* Initialize the GL520SM chip */ | |
f28dc2f7 | 901 | gl520_init_client(client); |
1da177e4 | 902 | |
d1b9c3f5 AL |
903 | /* sysfs hooks */ |
904 | data->groups[0] = &gl520_group; | |
1da177e4 | 905 | |
f445a9af | 906 | if (data->two_temps) |
d1b9c3f5 | 907 | data->groups[1] = &gl520_group_temp2; |
f445a9af | 908 | else |
d1b9c3f5 | 909 | data->groups[1] = &gl520_group_in4; |
1da177e4 | 910 | |
d1b9c3f5 AL |
911 | hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name, |
912 | data, data->groups); | |
913 | return PTR_ERR_OR_ZERO(hwmon_dev); | |
1da177e4 LT |
914 | } |
915 | ||
df51f2d7 AL |
916 | static const struct i2c_device_id gl520_id[] = { |
917 | { "gl520sm", 0 }, | |
918 | { } | |
919 | }; | |
920 | MODULE_DEVICE_TABLE(i2c, gl520_id); | |
1da177e4 | 921 | |
df51f2d7 AL |
922 | static struct i2c_driver gl520_driver = { |
923 | .class = I2C_CLASS_HWMON, | |
924 | .driver = { | |
925 | .name = "gl520sm", | |
926 | }, | |
927 | .probe = gl520_probe, | |
df51f2d7 AL |
928 | .id_table = gl520_id, |
929 | .detect = gl520_detect, | |
930 | .address_list = normal_i2c, | |
931 | }; | |
1da177e4 | 932 | |
f0967eea | 933 | module_i2c_driver(gl520_driver); |
1da177e4 LT |
934 | |
935 | MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, " | |
96de0e25 | 936 | "Kyösti Mälkki <kmalkki@cc.hut.fi>, " |
1da177e4 LT |
937 | "Maarten Deprez <maartendeprez@users.sourceforge.net>"); |
938 | MODULE_DESCRIPTION("GL520SM driver"); | |
939 | MODULE_LICENSE("GPL"); |