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1 | /* |
2 | * A hwmon driver for the Analog Devices ADT7462 |
3 | * Copyright (C) 2008 IBM |
4 | * |
5 | * Author: Darrick J. Wong <djwong@us.ibm.com> |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify |
8 | * it under the terms of the GNU General Public License as published by |
9 | * the Free Software Foundation; either version 2 of the License, or |
10 | * (at your option) any later version. |
11 | * |
12 | * This program is distributed in the hope that it will be useful, |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | * GNU General Public License for more details. |
16 | * |
17 | * You should have received a copy of the GNU General Public License |
18 | * along with this program; if not, write to the Free Software |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
20 | */ |
21 | |
22 | #include <linux/module.h> |
23 | #include <linux/jiffies.h> |
24 | #include <linux/i2c.h> |
25 | #include <linux/hwmon.h> |
26 | #include <linux/hwmon-sysfs.h> |
27 | #include <linux/err.h> |
28 | #include <linux/mutex.h> |
29 | #include <linux/log2.h> |
30 | #include <linux/slab.h> |
31 | |
32 | /* Addresses to scan */ |
33 | static const unsigned short normal_i2c[] = { 0x58, 0x5C, I2C_CLIENT_END }; |
34 | |
35 | /* ADT7462 registers */ |
36 | #define ADT7462_REG_DEVICE 0x3D |
37 | #define ADT7462_REG_VENDOR 0x3E |
38 | #define ADT7462_REG_REVISION 0x3F |
39 | |
40 | #define ADT7462_REG_MIN_TEMP_BASE_ADDR 0x44 |
41 | #define ADT7462_REG_MIN_TEMP_MAX_ADDR 0x47 |
42 | #define ADT7462_REG_MAX_TEMP_BASE_ADDR 0x48 |
43 | #define ADT7462_REG_MAX_TEMP_MAX_ADDR 0x4B |
44 | #define ADT7462_REG_TEMP_BASE_ADDR 0x88 |
45 | #define ADT7462_REG_TEMP_MAX_ADDR 0x8F |
46 | |
47 | #define ADT7462_REG_FAN_BASE_ADDR 0x98 |
48 | #define ADT7462_REG_FAN_MAX_ADDR 0x9F |
49 | #define ADT7462_REG_FAN2_BASE_ADDR 0xA2 |
50 | #define ADT7462_REG_FAN2_MAX_ADDR 0xA9 |
51 | #define ADT7462_REG_FAN_ENABLE 0x07 |
52 | #define ADT7462_REG_FAN_MIN_BASE_ADDR 0x78 |
53 | #define ADT7462_REG_FAN_MIN_MAX_ADDR 0x7F |
54 | |
55 | #define ADT7462_REG_CFG2 0x02 |
56 | #define ADT7462_FSPD_MASK 0x20 |
57 | |
58 | #define ADT7462_REG_PWM_BASE_ADDR 0xAA |
59 | #define ADT7462_REG_PWM_MAX_ADDR 0xAD |
60 | #define ADT7462_REG_PWM_MIN_BASE_ADDR 0x28 |
61 | #define ADT7462_REG_PWM_MIN_MAX_ADDR 0x2B |
62 | #define ADT7462_REG_PWM_MAX 0x2C |
63 | #define ADT7462_REG_PWM_TEMP_MIN_BASE_ADDR 0x5C |
64 | #define ADT7462_REG_PWM_TEMP_MIN_MAX_ADDR 0x5F |
65 | #define ADT7462_REG_PWM_TEMP_RANGE_BASE_ADDR 0x60 |
66 | #define ADT7462_REG_PWM_TEMP_RANGE_MAX_ADDR 0x63 |
67 | #define ADT7462_PWM_HYST_MASK 0x0F |
68 | #define ADT7462_PWM_RANGE_MASK 0xF0 |
69 | #define ADT7462_PWM_RANGE_SHIFT 4 |
70 | #define ADT7462_REG_PWM_CFG_BASE_ADDR 0x21 |
71 | #define ADT7462_REG_PWM_CFG_MAX_ADDR 0x24 |
72 | #define ADT7462_PWM_CHANNEL_MASK 0xE0 |
73 | #define ADT7462_PWM_CHANNEL_SHIFT 5 |
74 | |
75 | #define ADT7462_REG_PIN_CFG_BASE_ADDR 0x10 |
76 | #define ADT7462_REG_PIN_CFG_MAX_ADDR 0x13 |
77 | #define ADT7462_PIN7_INPUT 0x01 /* cfg0 */ |
78 | #define ADT7462_DIODE3_INPUT 0x20 |
79 | #define ADT7462_DIODE1_INPUT 0x40 |
80 | #define ADT7462_VID_INPUT 0x80 |
81 | #define ADT7462_PIN22_INPUT 0x04 /* cfg1 */ |
82 | #define ADT7462_PIN21_INPUT 0x08 |
83 | #define ADT7462_PIN19_INPUT 0x10 |
84 | #define ADT7462_PIN15_INPUT 0x20 |
85 | #define ADT7462_PIN13_INPUT 0x40 |
86 | #define ADT7462_PIN8_INPUT 0x80 |
87 | #define ADT7462_PIN23_MASK 0x03 |
88 | #define ADT7462_PIN23_SHIFT 0 |
89 | #define ADT7462_PIN26_MASK 0x0C /* cfg2 */ |
90 | #define ADT7462_PIN26_SHIFT 2 |
91 | #define ADT7462_PIN25_MASK 0x30 |
92 | #define ADT7462_PIN25_SHIFT 4 |
93 | #define ADT7462_PIN24_MASK 0xC0 |
94 | #define ADT7462_PIN24_SHIFT 6 |
95 | #define ADT7462_PIN26_VOLT_INPUT 0x08 |
96 | #define ADT7462_PIN25_VOLT_INPUT 0x20 |
97 | #define ADT7462_PIN28_SHIFT 4 /* cfg3 */ |
98 | #define ADT7462_PIN28_VOLT 0x5 |
99 | |
100 | #define ADT7462_REG_ALARM1 0xB8 |
101 | #define ADT7462_LT_ALARM 0x02 |
102 | #define ADT7462_R1T_ALARM 0x04 |
103 | #define ADT7462_R2T_ALARM 0x08 |
104 | #define ADT7462_R3T_ALARM 0x10 |
105 | #define ADT7462_REG_ALARM2 0xBB |
106 | #define ADT7462_V0_ALARM 0x01 |
107 | #define ADT7462_V1_ALARM 0x02 |
108 | #define ADT7462_V2_ALARM 0x04 |
109 | #define ADT7462_V3_ALARM 0x08 |
110 | #define ADT7462_V4_ALARM 0x10 |
111 | #define ADT7462_V5_ALARM 0x20 |
112 | #define ADT7462_V6_ALARM 0x40 |
113 | #define ADT7462_V7_ALARM 0x80 |
114 | #define ADT7462_REG_ALARM3 0xBC |
115 | #define ADT7462_V8_ALARM 0x08 |
116 | #define ADT7462_V9_ALARM 0x10 |
117 | #define ADT7462_V10_ALARM 0x20 |
118 | #define ADT7462_V11_ALARM 0x40 |
119 | #define ADT7462_V12_ALARM 0x80 |
120 | #define ADT7462_REG_ALARM4 0xBD |
121 | #define ADT7462_F0_ALARM 0x01 |
122 | #define ADT7462_F1_ALARM 0x02 |
123 | #define ADT7462_F2_ALARM 0x04 |
124 | #define ADT7462_F3_ALARM 0x08 |
125 | #define ADT7462_F4_ALARM 0x10 |
126 | #define ADT7462_F5_ALARM 0x20 |
127 | #define ADT7462_F6_ALARM 0x40 |
128 | #define ADT7462_F7_ALARM 0x80 |
129 | #define ADT7462_ALARM1 0x0000 |
130 | #define ADT7462_ALARM2 0x0100 |
131 | #define ADT7462_ALARM3 0x0200 |
132 | #define ADT7462_ALARM4 0x0300 |
133 | #define ADT7462_ALARM_REG_SHIFT 8 |
134 | #define ADT7462_ALARM_FLAG_MASK 0x0F |
135 | |
136 | #define ADT7462_TEMP_COUNT 4 |
137 | #define ADT7462_TEMP_REG(x) (ADT7462_REG_TEMP_BASE_ADDR + ((x) * 2)) |
138 | #define ADT7462_TEMP_MIN_REG(x) (ADT7462_REG_MIN_TEMP_BASE_ADDR + (x)) |
139 | #define ADT7462_TEMP_MAX_REG(x) (ADT7462_REG_MAX_TEMP_BASE_ADDR + (x)) |
140 | #define TEMP_FRAC_OFFSET 6 |
141 | |
142 | #define ADT7462_FAN_COUNT 8 |
143 | #define ADT7462_REG_FAN_MIN(x) (ADT7462_REG_FAN_MIN_BASE_ADDR + (x)) |
144 | |
145 | #define ADT7462_PWM_COUNT 4 |
146 | #define ADT7462_REG_PWM(x) (ADT7462_REG_PWM_BASE_ADDR + (x)) |
147 | #define ADT7462_REG_PWM_MIN(x) (ADT7462_REG_PWM_MIN_BASE_ADDR + (x)) |
148 | #define ADT7462_REG_PWM_TMIN(x) \ |
149 | (ADT7462_REG_PWM_TEMP_MIN_BASE_ADDR + (x)) |
150 | #define ADT7462_REG_PWM_TRANGE(x) \ |
151 | (ADT7462_REG_PWM_TEMP_RANGE_BASE_ADDR + (x)) |
152 | |
153 | #define ADT7462_PIN_CFG_REG_COUNT 4 |
154 | #define ADT7462_REG_PIN_CFG(x) (ADT7462_REG_PIN_CFG_BASE_ADDR + (x)) |
155 | #define ADT7462_REG_PWM_CFG(x) (ADT7462_REG_PWM_CFG_BASE_ADDR + (x)) |
156 | |
157 | #define ADT7462_ALARM_REG_COUNT 4 |
158 | |
159 | /* |
160 | * The chip can measure 13 different voltage sources: |
161 | * |
162 | * 1. +12V1 (pin 7) |
163 | * 2. Vccp1/+2.5V/+1.8V/+1.5V (pin 23) |
164 | * 3. +12V3 (pin 22) |
165 | * 4. +5V (pin 21) |
166 | * 5. +1.25V/+0.9V (pin 19) |
167 | * 6. +2.5V/+1.8V (pin 15) |
168 | * 7. +3.3v (pin 13) |
169 | * 8. +12V2 (pin 8) |
170 | * 9. Vbatt/FSB_Vtt (pin 26) |
171 | * A. +3.3V/+1.2V1 (pin 25) |
172 | * B. Vccp2/+2.5V/+1.8V/+1.5V (pin 24) |
173 | * C. +1.5V ICH (only if BOTH pin 28/29 are set to +1.5V) |
174 | * D. +1.5V 3GPIO (only if BOTH pin 28/29 are set to +1.5V) |
175 | * |
176 | * Each of these 13 has a factor to convert raw to voltage. Even better, |
177 | * the pins can be connected to other sensors (tach/gpio/hot/etc), which |
178 | * makes the bookkeeping tricky. |
179 | * |
180 | * Some, but not all, of these voltages have low/high limits. |
181 | */ |
182 | #define ADT7462_VOLT_COUNT 13 |
183 | |
184 | #define ADT7462_VENDOR 0x41 |
185 | #define ADT7462_DEVICE 0x62 |
186 | /* datasheet only mentions a revision 4 */ |
187 | #define ADT7462_REVISION 0x04 |
188 | |
189 | /* How often do we reread sensors values? (In jiffies) */ |
190 | #define SENSOR_REFRESH_INTERVAL (2 * HZ) |
191 | |
192 | /* How often do we reread sensor limit values? (In jiffies) */ |
193 | #define LIMIT_REFRESH_INTERVAL (60 * HZ) |
194 | |
195 | /* datasheet says to divide this number by the fan reading to get fan rpm */ |
196 | #define FAN_PERIOD_TO_RPM(x) ((90000 * 60) / (x)) |
197 | #define FAN_RPM_TO_PERIOD FAN_PERIOD_TO_RPM |
198 | #define FAN_PERIOD_INVALID 65535 |
199 | #define FAN_DATA_VALID(x) ((x) && (x) != FAN_PERIOD_INVALID) |
200 | |
201 | #define MASK_AND_SHIFT(value, prefix) \ |
202 | (((value) & prefix##_MASK) >> prefix##_SHIFT) |
203 | |
204 | struct adt7462_data { |
205 | struct device *hwmon_dev; |
206 | struct attribute_group attrs; |
207 | struct mutex lock; |
208 | char sensors_valid; |
209 | char limits_valid; |
210 | unsigned long sensors_last_updated; /* In jiffies */ |
211 | unsigned long limits_last_updated; /* In jiffies */ |
212 | |
213 | u8 temp[ADT7462_TEMP_COUNT]; |
214 | /* bits 6-7 are quarter pieces of temp */ |
215 | u8 temp_frac[ADT7462_TEMP_COUNT]; |
216 | u8 temp_min[ADT7462_TEMP_COUNT]; |
217 | u8 temp_max[ADT7462_TEMP_COUNT]; |
218 | u16 fan[ADT7462_FAN_COUNT]; |
219 | u8 fan_enabled; |
220 | u8 fan_min[ADT7462_FAN_COUNT]; |
221 | u8 cfg2; |
222 | u8 pwm[ADT7462_PWM_COUNT]; |
223 | u8 pin_cfg[ADT7462_PIN_CFG_REG_COUNT]; |
224 | u8 voltages[ADT7462_VOLT_COUNT]; |
225 | u8 volt_max[ADT7462_VOLT_COUNT]; |
226 | u8 volt_min[ADT7462_VOLT_COUNT]; |
227 | u8 pwm_min[ADT7462_PWM_COUNT]; |
228 | u8 pwm_tmin[ADT7462_PWM_COUNT]; |
229 | u8 pwm_trange[ADT7462_PWM_COUNT]; |
230 | u8 pwm_max; /* only one per chip */ |
231 | u8 pwm_cfg[ADT7462_PWM_COUNT]; |
232 | u8 alarms[ADT7462_ALARM_REG_COUNT]; |
233 | }; |
234 | |
235 | static int adt7462_probe(struct i2c_client *client, |
236 | const struct i2c_device_id *id); |
237 | static int adt7462_detect(struct i2c_client *client, |
238 | struct i2c_board_info *info); |
239 | static int adt7462_remove(struct i2c_client *client); |
240 | |
241 | static const struct i2c_device_id adt7462_id[] = { |
242 | { "adt7462", 0 }, |
243 | { } |
244 | }; |
245 | MODULE_DEVICE_TABLE(i2c, adt7462_id); |
246 | |
247 | static struct i2c_driver adt7462_driver = { |
248 | .class = I2C_CLASS_HWMON, |
249 | .driver = { |
250 | .name = "adt7462", |
251 | }, |
252 | .probe = adt7462_probe, |
253 | .remove = adt7462_remove, |
254 | .id_table = adt7462_id, |
255 | .detect = adt7462_detect, |
256 | .address_list = normal_i2c, |
257 | }; |
258 | |
259 | /* |
260 | * 16-bit registers on the ADT7462 are low-byte first. The data sheet says |
261 | * that the low byte must be read before the high byte. |
262 | */ |
263 | static inline int adt7462_read_word_data(struct i2c_client *client, u8 reg) |
264 | { |
265 | u16 foo; |
266 | foo = i2c_smbus_read_byte_data(client, reg); |
267 | foo |= ((u16)i2c_smbus_read_byte_data(client, reg + 1) << 8); |
268 | return foo; |
269 | } |
270 | |
271 | /* For some reason these registers are not contiguous. */ |
272 | static int ADT7462_REG_FAN(int fan) |
273 | { |
274 | if (fan < 4) |
275 | return ADT7462_REG_FAN_BASE_ADDR + (2 * fan); |
276 | return ADT7462_REG_FAN2_BASE_ADDR + (2 * (fan - 4)); |
277 | } |
278 | |
279 | /* Voltage registers are scattered everywhere */ |
280 | static int ADT7462_REG_VOLT_MAX(struct adt7462_data *data, int which) |
281 | { |
282 | switch (which) { |
283 | case 0: |
284 | if (!(data->pin_cfg[0] & ADT7462_PIN7_INPUT)) |
285 | return 0x7C; |
286 | break; |
287 | case 1: |
288 | return 0x69; |
289 | case 2: |
290 | if (!(data->pin_cfg[1] & ADT7462_PIN22_INPUT)) |
291 | return 0x7F; |
292 | break; |
293 | case 3: |
294 | if (!(data->pin_cfg[1] & ADT7462_PIN21_INPUT)) |
295 | return 0x7E; |
296 | break; |
297 | case 4: |
298 | if (!(data->pin_cfg[0] & ADT7462_DIODE3_INPUT)) |
299 | return 0x4B; |
300 | break; |
301 | case 5: |
302 | if (!(data->pin_cfg[0] & ADT7462_DIODE1_INPUT)) |
303 | return 0x49; |
304 | break; |
305 | case 6: |
306 | if (!(data->pin_cfg[1] & ADT7462_PIN13_INPUT)) |
307 | return 0x68; |
308 | break; |
309 | case 7: |
310 | if (!(data->pin_cfg[1] & ADT7462_PIN8_INPUT)) |
311 | return 0x7D; |
312 | break; |
313 | case 8: |
314 | if (!(data->pin_cfg[2] & ADT7462_PIN26_VOLT_INPUT)) |
315 | return 0x6C; |
316 | break; |
317 | case 9: |
318 | if (!(data->pin_cfg[2] & ADT7462_PIN25_VOLT_INPUT)) |
319 | return 0x6B; |
320 | break; |
321 | case 10: |
322 | return 0x6A; |
323 | case 11: |
324 | if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == |
325 | ADT7462_PIN28_VOLT && |
326 | !(data->pin_cfg[0] & ADT7462_VID_INPUT)) |
327 | return 0x50; |
328 | break; |
329 | case 12: |
330 | if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == |
331 | ADT7462_PIN28_VOLT && |
332 | !(data->pin_cfg[0] & ADT7462_VID_INPUT)) |
333 | return 0x4C; |
334 | break; |
335 | } |
336 | return -ENODEV; |
337 | } |
338 | |
339 | static int ADT7462_REG_VOLT_MIN(struct adt7462_data *data, int which) |
340 | { |
341 | switch (which) { |
342 | case 0: |
343 | if (!(data->pin_cfg[0] & ADT7462_PIN7_INPUT)) |
344 | return 0x6D; |
345 | break; |
346 | case 1: |
347 | return 0x72; |
348 | case 2: |
349 | if (!(data->pin_cfg[1] & ADT7462_PIN22_INPUT)) |
350 | return 0x6F; |
351 | break; |
352 | case 3: |
353 | if (!(data->pin_cfg[1] & ADT7462_PIN21_INPUT)) |
354 | return 0x71; |
355 | break; |
356 | case 4: |
357 | if (!(data->pin_cfg[0] & ADT7462_DIODE3_INPUT)) |
358 | return 0x47; |
359 | break; |
360 | case 5: |
361 | if (!(data->pin_cfg[0] & ADT7462_DIODE1_INPUT)) |
362 | return 0x45; |
363 | break; |
364 | case 6: |
365 | if (!(data->pin_cfg[1] & ADT7462_PIN13_INPUT)) |
366 | return 0x70; |
367 | break; |
368 | case 7: |
369 | if (!(data->pin_cfg[1] & ADT7462_PIN8_INPUT)) |
370 | return 0x6E; |
371 | break; |
372 | case 8: |
373 | if (!(data->pin_cfg[2] & ADT7462_PIN26_VOLT_INPUT)) |
374 | return 0x75; |
375 | break; |
376 | case 9: |
377 | if (!(data->pin_cfg[2] & ADT7462_PIN25_VOLT_INPUT)) |
378 | return 0x74; |
379 | break; |
380 | case 10: |
381 | return 0x73; |
382 | case 11: |
383 | if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == |
384 | ADT7462_PIN28_VOLT && |
385 | !(data->pin_cfg[0] & ADT7462_VID_INPUT)) |
386 | return 0x76; |
387 | break; |
388 | case 12: |
389 | if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == |
390 | ADT7462_PIN28_VOLT && |
391 | !(data->pin_cfg[0] & ADT7462_VID_INPUT)) |
392 | return 0x77; |
393 | break; |
394 | } |
395 | return -ENODEV; |
396 | } |
397 | |
398 | static int ADT7462_REG_VOLT(struct adt7462_data *data, int which) |
399 | { |
400 | switch (which) { |
401 | case 0: |
402 | if (!(data->pin_cfg[0] & ADT7462_PIN7_INPUT)) |
403 | return 0xA3; |
404 | break; |
405 | case 1: |
406 | return 0x90; |
407 | case 2: |
408 | if (!(data->pin_cfg[1] & ADT7462_PIN22_INPUT)) |
409 | return 0xA9; |
410 | break; |
411 | case 3: |
412 | if (!(data->pin_cfg[1] & ADT7462_PIN21_INPUT)) |
413 | return 0xA7; |
414 | break; |
415 | case 4: |
416 | if (!(data->pin_cfg[0] & ADT7462_DIODE3_INPUT)) |
417 | return 0x8F; |
418 | break; |
419 | case 5: |
420 | if (!(data->pin_cfg[0] & ADT7462_DIODE1_INPUT)) |
421 | return 0x8B; |
422 | break; |
423 | case 6: |
424 | if (!(data->pin_cfg[1] & ADT7462_PIN13_INPUT)) |
425 | return 0x96; |
426 | break; |
427 | case 7: |
428 | if (!(data->pin_cfg[1] & ADT7462_PIN8_INPUT)) |
429 | return 0xA5; |
430 | break; |
431 | case 8: |
432 | if (!(data->pin_cfg[2] & ADT7462_PIN26_VOLT_INPUT)) |
433 | return 0x93; |
434 | break; |
435 | case 9: |
436 | if (!(data->pin_cfg[2] & ADT7462_PIN25_VOLT_INPUT)) |
437 | return 0x92; |
438 | break; |
439 | case 10: |
440 | return 0x91; |
441 | case 11: |
442 | if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == |
443 | ADT7462_PIN28_VOLT && |
444 | !(data->pin_cfg[0] & ADT7462_VID_INPUT)) |
445 | return 0x94; |
446 | break; |
447 | case 12: |
448 | if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == |
449 | ADT7462_PIN28_VOLT && |
450 | !(data->pin_cfg[0] & ADT7462_VID_INPUT)) |
451 | return 0x95; |
452 | break; |
453 | } |
454 | return -ENODEV; |
455 | } |
456 | |
457 | /* Provide labels for sysfs */ |
458 | static const char *voltage_label(struct adt7462_data *data, int which) |
459 | { |
460 | switch (which) { |
461 | case 0: |
462 | if (!(data->pin_cfg[0] & ADT7462_PIN7_INPUT)) |
463 | return "+12V1"; |
464 | break; |
465 | case 1: |
466 | switch (MASK_AND_SHIFT(data->pin_cfg[1], ADT7462_PIN23)) { |
467 | case 0: |
468 | return "Vccp1"; |
469 | case 1: |
470 | return "+2.5V"; |
471 | case 2: |
472 | return "+1.8V"; |
473 | case 3: |
474 | return "+1.5V"; |
475 | } |
476 | case 2: |
477 | if (!(data->pin_cfg[1] & ADT7462_PIN22_INPUT)) |
478 | return "+12V3"; |
479 | break; |
480 | case 3: |
481 | if (!(data->pin_cfg[1] & ADT7462_PIN21_INPUT)) |
482 | return "+5V"; |
483 | break; |
484 | case 4: |
485 | if (!(data->pin_cfg[0] & ADT7462_DIODE3_INPUT)) { |
486 | if (data->pin_cfg[1] & ADT7462_PIN19_INPUT) |
487 | return "+0.9V"; |
488 | return "+1.25V"; |
489 | } |
490 | break; |
491 | case 5: |
492 | if (!(data->pin_cfg[0] & ADT7462_DIODE1_INPUT)) { |
493 | if (data->pin_cfg[1] & ADT7462_PIN19_INPUT) |
494 | return "+1.8V"; |
495 | return "+2.5V"; |
496 | } |
497 | break; |
498 | case 6: |
499 | if (!(data->pin_cfg[1] & ADT7462_PIN13_INPUT)) |
500 | return "+3.3V"; |
501 | break; |
502 | case 7: |
503 | if (!(data->pin_cfg[1] & ADT7462_PIN8_INPUT)) |
504 | return "+12V2"; |
505 | break; |
506 | case 8: |
507 | switch (MASK_AND_SHIFT(data->pin_cfg[2], ADT7462_PIN26)) { |
508 | case 0: |
509 | return "Vbatt"; |
510 | case 1: |
511 | return "FSB_Vtt"; |
512 | } |
513 | break; |
514 | case 9: |
515 | switch (MASK_AND_SHIFT(data->pin_cfg[2], ADT7462_PIN25)) { |
516 | case 0: |
517 | return "+3.3V"; |
518 | case 1: |
519 | return "+1.2V1"; |
520 | } |
521 | break; |
522 | case 10: |
523 | switch (MASK_AND_SHIFT(data->pin_cfg[2], ADT7462_PIN24)) { |
524 | case 0: |
525 | return "Vccp2"; |
526 | case 1: |
527 | return "+2.5V"; |
528 | case 2: |
529 | return "+1.8V"; |
530 | case 3: |
531 | return "+1.5"; |
532 | } |
533 | case 11: |
534 | if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == |
535 | ADT7462_PIN28_VOLT && |
536 | !(data->pin_cfg[0] & ADT7462_VID_INPUT)) |
537 | return "+1.5V ICH"; |
538 | break; |
539 | case 12: |
540 | if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == |
541 | ADT7462_PIN28_VOLT && |
542 | !(data->pin_cfg[0] & ADT7462_VID_INPUT)) |
543 | return "+1.5V 3GPIO"; |
544 | break; |
545 | } |
546 | return "N/A"; |
547 | } |
548 | |
549 | /* Multipliers are actually in uV, not mV. */ |
550 | static int voltage_multiplier(struct adt7462_data *data, int which) |
551 | { |
552 | switch (which) { |
553 | case 0: |
554 | if (!(data->pin_cfg[0] & ADT7462_PIN7_INPUT)) |
555 | return 62500; |
556 | break; |
557 | case 1: |
558 | switch (MASK_AND_SHIFT(data->pin_cfg[1], ADT7462_PIN23)) { |
559 | case 0: |
560 | if (data->pin_cfg[0] & ADT7462_VID_INPUT) |
561 | return 12500; |
562 | return 6250; |
563 | case 1: |
564 | return 13000; |
565 | case 2: |
566 | return 9400; |
567 | case 3: |
568 | return 7800; |
569 | } |
570 | case 2: |
571 | if (!(data->pin_cfg[1] & ADT7462_PIN22_INPUT)) |
572 | return 62500; |
573 | break; |
574 | case 3: |
575 | if (!(data->pin_cfg[1] & ADT7462_PIN21_INPUT)) |
576 | return 26000; |
577 | break; |
578 | case 4: |
579 | if (!(data->pin_cfg[0] & ADT7462_DIODE3_INPUT)) { |
580 | if (data->pin_cfg[1] & ADT7462_PIN19_INPUT) |
581 | return 4690; |
582 | return 6500; |
583 | } |
584 | break; |
585 | case 5: |
586 | if (!(data->pin_cfg[0] & ADT7462_DIODE1_INPUT)) { |
587 | if (data->pin_cfg[1] & ADT7462_PIN15_INPUT) |
588 | return 9400; |
589 | return 13000; |
590 | } |
591 | break; |
592 | case 6: |
593 | if (!(data->pin_cfg[1] & ADT7462_PIN13_INPUT)) |
594 | return 17200; |
595 | break; |
596 | case 7: |
597 | if (!(data->pin_cfg[1] & ADT7462_PIN8_INPUT)) |
598 | return 62500; |
599 | break; |
600 | case 8: |
601 | switch (MASK_AND_SHIFT(data->pin_cfg[2], ADT7462_PIN26)) { |
602 | case 0: |
603 | return 15600; |
604 | case 1: |
605 | return 6250; |
606 | } |
607 | break; |
608 | case 9: |
609 | switch (MASK_AND_SHIFT(data->pin_cfg[2], ADT7462_PIN25)) { |
610 | case 0: |
611 | return 17200; |
612 | case 1: |
613 | return 6250; |
614 | } |
615 | break; |
616 | case 10: |
617 | switch (MASK_AND_SHIFT(data->pin_cfg[2], ADT7462_PIN24)) { |
618 | case 0: |
619 | return 6250; |
620 | case 1: |
621 | return 13000; |
622 | case 2: |
623 | return 9400; |
624 | case 3: |
625 | return 7800; |
626 | } |
627 | case 11: |
628 | case 12: |
629 | if (data->pin_cfg[3] >> ADT7462_PIN28_SHIFT == |
630 | ADT7462_PIN28_VOLT && |
631 | !(data->pin_cfg[0] & ADT7462_VID_INPUT)) |
632 | return 7800; |
633 | } |
634 | return 0; |
635 | } |
636 | |
637 | static int temp_enabled(struct adt7462_data *data, int which) |
638 | { |
639 | switch (which) { |
640 | case 0: |
641 | case 2: |
642 | return 1; |
643 | case 1: |
644 | if (data->pin_cfg[0] & ADT7462_DIODE1_INPUT) |
645 | return 1; |
646 | break; |
647 | case 3: |
648 | if (data->pin_cfg[0] & ADT7462_DIODE3_INPUT) |
649 | return 1; |
650 | break; |
651 | } |
652 | return 0; |
653 | } |
654 | |
655 | static const char *temp_label(struct adt7462_data *data, int which) |
656 | { |
657 | switch (which) { |
658 | case 0: |
659 | return "local"; |
660 | case 1: |
661 | if (data->pin_cfg[0] & ADT7462_DIODE1_INPUT) |
662 | return "remote1"; |
663 | break; |
664 | case 2: |
665 | return "remote2"; |
666 | case 3: |
667 | if (data->pin_cfg[0] & ADT7462_DIODE3_INPUT) |
668 | return "remote3"; |
669 | break; |
670 | } |
671 | return "N/A"; |
672 | } |
673 | |
674 | /* Map Trange register values to mC */ |
675 | #define NUM_TRANGE_VALUES 16 |
676 | static const int trange_values[NUM_TRANGE_VALUES] = { |
677 | 2000, |
678 | 2500, |
679 | 3300, |
680 | 4000, |
681 | 5000, |
682 | 6700, |
683 | 8000, |
684 | 10000, |
685 | 13300, |
686 | 16000, |
687 | 20000, |
688 | 26700, |
689 | 32000, |
690 | 40000, |
691 | 53300, |
692 | 80000 |
693 | }; |
694 | |
695 | static int find_trange_value(int trange) |
696 | { |
697 | int i; |
698 | |
699 | for (i = 0; i < NUM_TRANGE_VALUES; i++) |
700 | if (trange_values[i] == trange) |
701 | return i; |
702 | |
703 | return -ENODEV; |
704 | } |
705 | |
706 | static struct adt7462_data *adt7462_update_device(struct device *dev) |
707 | { |
708 | struct i2c_client *client = to_i2c_client(dev); |
709 | struct adt7462_data *data = i2c_get_clientdata(client); |
710 | unsigned long local_jiffies = jiffies; |
711 | int i; |
712 | |
713 | mutex_lock(&data->lock); |
714 | if (time_before(local_jiffies, data->sensors_last_updated + |
715 | SENSOR_REFRESH_INTERVAL) |
716 | && data->sensors_valid) |
717 | goto no_sensor_update; |
718 | |
719 | for (i = 0; i < ADT7462_TEMP_COUNT; i++) { |
720 | /* |
721 | * Reading the fractional register locks the integral |
722 | * register until both have been read. |
723 | */ |
724 | data->temp_frac[i] = i2c_smbus_read_byte_data(client, |
725 | ADT7462_TEMP_REG(i)); |
726 | data->temp[i] = i2c_smbus_read_byte_data(client, |
727 | ADT7462_TEMP_REG(i) + 1); |
728 | } |
729 | |
730 | for (i = 0; i < ADT7462_FAN_COUNT; i++) |
731 | data->fan[i] = adt7462_read_word_data(client, |
732 | ADT7462_REG_FAN(i)); |
733 | |
734 | data->fan_enabled = i2c_smbus_read_byte_data(client, |
735 | ADT7462_REG_FAN_ENABLE); |
736 | |
737 | for (i = 0; i < ADT7462_PWM_COUNT; i++) |
738 | data->pwm[i] = i2c_smbus_read_byte_data(client, |
739 | ADT7462_REG_PWM(i)); |
740 | |
741 | for (i = 0; i < ADT7462_PIN_CFG_REG_COUNT; i++) |
742 | data->pin_cfg[i] = i2c_smbus_read_byte_data(client, |
743 | ADT7462_REG_PIN_CFG(i)); |
744 | |
745 | for (i = 0; i < ADT7462_VOLT_COUNT; i++) { |
746 | int reg = ADT7462_REG_VOLT(data, i); |
747 | if (!reg) |
748 | data->voltages[i] = 0; |
749 | else |
750 | data->voltages[i] = i2c_smbus_read_byte_data(client, |
751 | reg); |
752 | } |
753 | |
754 | data->alarms[0] = i2c_smbus_read_byte_data(client, ADT7462_REG_ALARM1); |
755 | data->alarms[1] = i2c_smbus_read_byte_data(client, ADT7462_REG_ALARM2); |
756 | data->alarms[2] = i2c_smbus_read_byte_data(client, ADT7462_REG_ALARM3); |
757 | data->alarms[3] = i2c_smbus_read_byte_data(client, ADT7462_REG_ALARM4); |
758 | |
759 | data->sensors_last_updated = local_jiffies; |
760 | data->sensors_valid = 1; |
761 | |
762 | no_sensor_update: |
763 | if (time_before(local_jiffies, data->limits_last_updated + |
764 | LIMIT_REFRESH_INTERVAL) |
765 | && data->limits_valid) |
766 | goto out; |
767 | |
768 | for (i = 0; i < ADT7462_TEMP_COUNT; i++) { |
769 | data->temp_min[i] = i2c_smbus_read_byte_data(client, |
770 | ADT7462_TEMP_MIN_REG(i)); |
771 | data->temp_max[i] = i2c_smbus_read_byte_data(client, |
772 | ADT7462_TEMP_MAX_REG(i)); |
773 | } |
774 | |
775 | for (i = 0; i < ADT7462_FAN_COUNT; i++) |
776 | data->fan_min[i] = i2c_smbus_read_byte_data(client, |
777 | ADT7462_REG_FAN_MIN(i)); |
778 | |
779 | for (i = 0; i < ADT7462_VOLT_COUNT; i++) { |
780 | int reg = ADT7462_REG_VOLT_MAX(data, i); |
781 | data->volt_max[i] = |
782 | (reg ? i2c_smbus_read_byte_data(client, reg) : 0); |
783 | |
784 | reg = ADT7462_REG_VOLT_MIN(data, i); |
785 | data->volt_min[i] = |
786 | (reg ? i2c_smbus_read_byte_data(client, reg) : 0); |
787 | } |
788 | |
789 | for (i = 0; i < ADT7462_PWM_COUNT; i++) { |
790 | data->pwm_min[i] = i2c_smbus_read_byte_data(client, |
791 | ADT7462_REG_PWM_MIN(i)); |
792 | data->pwm_tmin[i] = i2c_smbus_read_byte_data(client, |
793 | ADT7462_REG_PWM_TMIN(i)); |
794 | data->pwm_trange[i] = i2c_smbus_read_byte_data(client, |
795 | ADT7462_REG_PWM_TRANGE(i)); |
796 | data->pwm_cfg[i] = i2c_smbus_read_byte_data(client, |
797 | ADT7462_REG_PWM_CFG(i)); |
798 | } |
799 | |
800 | data->pwm_max = i2c_smbus_read_byte_data(client, ADT7462_REG_PWM_MAX); |
801 | |
802 | data->cfg2 = i2c_smbus_read_byte_data(client, ADT7462_REG_CFG2); |
803 | |
804 | data->limits_last_updated = local_jiffies; |
805 | data->limits_valid = 1; |
806 | |
807 | out: |
808 | mutex_unlock(&data->lock); |
809 | return data; |
810 | } |
811 | |
812 | static ssize_t show_temp_min(struct device *dev, |
813 | struct device_attribute *devattr, |
814 | char *buf) |
815 | { |
816 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
817 | struct adt7462_data *data = adt7462_update_device(dev); |
818 | |
819 | if (!temp_enabled(data, attr->index)) |
820 | return sprintf(buf, "0\n"); |
821 | |
822 | return sprintf(buf, "%d\n", 1000 * (data->temp_min[attr->index] - 64)); |
823 | } |
824 | |
825 | static ssize_t set_temp_min(struct device *dev, |
826 | struct device_attribute *devattr, |
827 | const char *buf, |
828 | size_t count) |
829 | { |
830 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
831 | struct i2c_client *client = to_i2c_client(dev); |
832 | struct adt7462_data *data = i2c_get_clientdata(client); |
833 | long temp; |
834 | |
835 | if (kstrtol(buf, 10, &temp) || !temp_enabled(data, attr->index)) |
836 | return -EINVAL; |
837 | |
838 | temp = DIV_ROUND_CLOSEST(temp, 1000) + 64; |
839 | temp = clamp_val(temp, 0, 255); |
840 | |
841 | mutex_lock(&data->lock); |
842 | data->temp_min[attr->index] = temp; |
843 | i2c_smbus_write_byte_data(client, ADT7462_TEMP_MIN_REG(attr->index), |
844 | temp); |
845 | mutex_unlock(&data->lock); |
846 | |
847 | return count; |
848 | } |
849 | |
850 | static ssize_t show_temp_max(struct device *dev, |
851 | struct device_attribute *devattr, |
852 | char *buf) |
853 | { |
854 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
855 | struct adt7462_data *data = adt7462_update_device(dev); |
856 | |
857 | if (!temp_enabled(data, attr->index)) |
858 | return sprintf(buf, "0\n"); |
859 | |
860 | return sprintf(buf, "%d\n", 1000 * (data->temp_max[attr->index] - 64)); |
861 | } |
862 | |
863 | static ssize_t set_temp_max(struct device *dev, |
864 | struct device_attribute *devattr, |
865 | const char *buf, |
866 | size_t count) |
867 | { |
868 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
869 | struct i2c_client *client = to_i2c_client(dev); |
870 | struct adt7462_data *data = i2c_get_clientdata(client); |
871 | long temp; |
872 | |
873 | if (kstrtol(buf, 10, &temp) || !temp_enabled(data, attr->index)) |
874 | return -EINVAL; |
875 | |
876 | temp = DIV_ROUND_CLOSEST(temp, 1000) + 64; |
877 | temp = clamp_val(temp, 0, 255); |
878 | |
879 | mutex_lock(&data->lock); |
880 | data->temp_max[attr->index] = temp; |
881 | i2c_smbus_write_byte_data(client, ADT7462_TEMP_MAX_REG(attr->index), |
882 | temp); |
883 | mutex_unlock(&data->lock); |
884 | |
885 | return count; |
886 | } |
887 | |
888 | static ssize_t show_temp(struct device *dev, struct device_attribute *devattr, |
889 | char *buf) |
890 | { |
891 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
892 | struct adt7462_data *data = adt7462_update_device(dev); |
893 | u8 frac = data->temp_frac[attr->index] >> TEMP_FRAC_OFFSET; |
894 | |
895 | if (!temp_enabled(data, attr->index)) |
896 | return sprintf(buf, "0\n"); |
897 | |
898 | return sprintf(buf, "%d\n", 1000 * (data->temp[attr->index] - 64) + |
899 | 250 * frac); |
900 | } |
901 | |
902 | static ssize_t show_temp_label(struct device *dev, |
903 | struct device_attribute *devattr, |
904 | char *buf) |
905 | { |
906 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
907 | struct adt7462_data *data = adt7462_update_device(dev); |
908 | |
909 | return sprintf(buf, "%s\n", temp_label(data, attr->index)); |
910 | } |
911 | |
912 | static ssize_t show_volt_max(struct device *dev, |
913 | struct device_attribute *devattr, |
914 | char *buf) |
915 | { |
916 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
917 | struct adt7462_data *data = adt7462_update_device(dev); |
918 | int x = voltage_multiplier(data, attr->index); |
919 | |
920 | x *= data->volt_max[attr->index]; |
921 | x /= 1000; /* convert from uV to mV */ |
922 | |
923 | return sprintf(buf, "%d\n", x); |
924 | } |
925 | |
926 | static ssize_t set_volt_max(struct device *dev, |
927 | struct device_attribute *devattr, |
928 | const char *buf, |
929 | size_t count) |
930 | { |
931 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
932 | struct i2c_client *client = to_i2c_client(dev); |
933 | struct adt7462_data *data = i2c_get_clientdata(client); |
934 | int x = voltage_multiplier(data, attr->index); |
935 | long temp; |
936 | |
937 | if (kstrtol(buf, 10, &temp) || !x) |
938 | return -EINVAL; |
939 | |
940 | temp *= 1000; /* convert mV to uV */ |
941 | temp = DIV_ROUND_CLOSEST(temp, x); |
942 | temp = clamp_val(temp, 0, 255); |
943 | |
944 | mutex_lock(&data->lock); |
945 | data->volt_max[attr->index] = temp; |
946 | i2c_smbus_write_byte_data(client, |
947 | ADT7462_REG_VOLT_MAX(data, attr->index), |
948 | temp); |
949 | mutex_unlock(&data->lock); |
950 | |
951 | return count; |
952 | } |
953 | |
954 | static ssize_t show_volt_min(struct device *dev, |
955 | struct device_attribute *devattr, |
956 | char *buf) |
957 | { |
958 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
959 | struct adt7462_data *data = adt7462_update_device(dev); |
960 | int x = voltage_multiplier(data, attr->index); |
961 | |
962 | x *= data->volt_min[attr->index]; |
963 | x /= 1000; /* convert from uV to mV */ |
964 | |
965 | return sprintf(buf, "%d\n", x); |
966 | } |
967 | |
968 | static ssize_t set_volt_min(struct device *dev, |
969 | struct device_attribute *devattr, |
970 | const char *buf, |
971 | size_t count) |
972 | { |
973 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
974 | struct i2c_client *client = to_i2c_client(dev); |
975 | struct adt7462_data *data = i2c_get_clientdata(client); |
976 | int x = voltage_multiplier(data, attr->index); |
977 | long temp; |
978 | |
979 | if (kstrtol(buf, 10, &temp) || !x) |
980 | return -EINVAL; |
981 | |
982 | temp *= 1000; /* convert mV to uV */ |
983 | temp = DIV_ROUND_CLOSEST(temp, x); |
984 | temp = clamp_val(temp, 0, 255); |
985 | |
986 | mutex_lock(&data->lock); |
987 | data->volt_min[attr->index] = temp; |
988 | i2c_smbus_write_byte_data(client, |
989 | ADT7462_REG_VOLT_MIN(data, attr->index), |
990 | temp); |
991 | mutex_unlock(&data->lock); |
992 | |
993 | return count; |
994 | } |
995 | |
996 | static ssize_t show_voltage(struct device *dev, |
997 | struct device_attribute *devattr, |
998 | char *buf) |
999 | { |
1000 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
1001 | struct adt7462_data *data = adt7462_update_device(dev); |
1002 | int x = voltage_multiplier(data, attr->index); |
1003 | |
1004 | x *= data->voltages[attr->index]; |
1005 | x /= 1000; /* convert from uV to mV */ |
1006 | |
1007 | return sprintf(buf, "%d\n", x); |
1008 | } |
1009 | |
1010 | static ssize_t show_voltage_label(struct device *dev, |
1011 | struct device_attribute *devattr, |
1012 | char *buf) |
1013 | { |
1014 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
1015 | struct adt7462_data *data = adt7462_update_device(dev); |
1016 | |
1017 | return sprintf(buf, "%s\n", voltage_label(data, attr->index)); |
1018 | } |
1019 | |
1020 | static ssize_t show_alarm(struct device *dev, |
1021 | struct device_attribute *devattr, |
1022 | char *buf) |
1023 | { |
1024 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
1025 | struct adt7462_data *data = adt7462_update_device(dev); |
1026 | int reg = attr->index >> ADT7462_ALARM_REG_SHIFT; |
1027 | int mask = attr->index & ADT7462_ALARM_FLAG_MASK; |
1028 | |
1029 | if (data->alarms[reg] & mask) |
1030 | return sprintf(buf, "1\n"); |
1031 | else |
1032 | return sprintf(buf, "0\n"); |
1033 | } |
1034 | |
1035 | static int fan_enabled(struct adt7462_data *data, int fan) |
1036 | { |
1037 | return data->fan_enabled & (1 << fan); |
1038 | } |
1039 | |
1040 | static ssize_t show_fan_min(struct device *dev, |
1041 | struct device_attribute *devattr, |
1042 | char *buf) |
1043 | { |
1044 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
1045 | struct adt7462_data *data = adt7462_update_device(dev); |
1046 | u16 temp; |
1047 | |
1048 | /* Only the MSB of the min fan period is stored... */ |
1049 | temp = data->fan_min[attr->index]; |
1050 | temp <<= 8; |
1051 | |
1052 | if (!fan_enabled(data, attr->index) || |
1053 | !FAN_DATA_VALID(temp)) |
1054 | return sprintf(buf, "0\n"); |
1055 | |
1056 | return sprintf(buf, "%d\n", FAN_PERIOD_TO_RPM(temp)); |
1057 | } |
1058 | |
1059 | static ssize_t set_fan_min(struct device *dev, |
1060 | struct device_attribute *devattr, |
1061 | const char *buf, size_t count) |
1062 | { |
1063 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
1064 | struct i2c_client *client = to_i2c_client(dev); |
1065 | struct adt7462_data *data = i2c_get_clientdata(client); |
1066 | long temp; |
1067 | |
1068 | if (kstrtol(buf, 10, &temp) || !temp || |
1069 | !fan_enabled(data, attr->index)) |
1070 | return -EINVAL; |
1071 | |
1072 | temp = FAN_RPM_TO_PERIOD(temp); |
1073 | temp >>= 8; |
1074 | temp = clamp_val(temp, 1, 255); |
1075 | |
1076 | mutex_lock(&data->lock); |
1077 | data->fan_min[attr->index] = temp; |
1078 | i2c_smbus_write_byte_data(client, ADT7462_REG_FAN_MIN(attr->index), |
1079 | temp); |
1080 | mutex_unlock(&data->lock); |
1081 | |
1082 | return count; |
1083 | } |
1084 | |
1085 | static ssize_t show_fan(struct device *dev, struct device_attribute *devattr, |
1086 | char *buf) |
1087 | { |
1088 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
1089 | struct adt7462_data *data = adt7462_update_device(dev); |
1090 | |
1091 | if (!fan_enabled(data, attr->index) || |
1092 | !FAN_DATA_VALID(data->fan[attr->index])) |
1093 | return sprintf(buf, "0\n"); |
1094 | |
1095 | return sprintf(buf, "%d\n", |
1096 | FAN_PERIOD_TO_RPM(data->fan[attr->index])); |
1097 | } |
1098 | |
1099 | static ssize_t show_force_pwm_max(struct device *dev, |
1100 | struct device_attribute *devattr, |
1101 | char *buf) |
1102 | { |
1103 | struct adt7462_data *data = adt7462_update_device(dev); |
1104 | return sprintf(buf, "%d\n", (data->cfg2 & ADT7462_FSPD_MASK ? 1 : 0)); |
1105 | } |
1106 | |
1107 | static ssize_t set_force_pwm_max(struct device *dev, |
1108 | struct device_attribute *devattr, |
1109 | const char *buf, |
1110 | size_t count) |
1111 | { |
1112 | struct i2c_client *client = to_i2c_client(dev); |
1113 | struct adt7462_data *data = i2c_get_clientdata(client); |
1114 | long temp; |
1115 | u8 reg; |
1116 | |
1117 | if (kstrtol(buf, 10, &temp)) |
1118 | return -EINVAL; |
1119 | |
1120 | mutex_lock(&data->lock); |
1121 | reg = i2c_smbus_read_byte_data(client, ADT7462_REG_CFG2); |
1122 | if (temp) |
1123 | reg |= ADT7462_FSPD_MASK; |
1124 | else |
1125 | reg &= ~ADT7462_FSPD_MASK; |
1126 | data->cfg2 = reg; |
1127 | i2c_smbus_write_byte_data(client, ADT7462_REG_CFG2, reg); |
1128 | mutex_unlock(&data->lock); |
1129 | |
1130 | return count; |
1131 | } |
1132 | |
1133 | static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr, |
1134 | char *buf) |
1135 | { |
1136 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
1137 | struct adt7462_data *data = adt7462_update_device(dev); |
1138 | return sprintf(buf, "%d\n", data->pwm[attr->index]); |
1139 | } |
1140 | |
1141 | static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, |
1142 | const char *buf, size_t count) |
1143 | { |
1144 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
1145 | struct i2c_client *client = to_i2c_client(dev); |
1146 | struct adt7462_data *data = i2c_get_clientdata(client); |
1147 | long temp; |
1148 | |
1149 | if (kstrtol(buf, 10, &temp)) |
1150 | return -EINVAL; |
1151 | |
1152 | temp = clamp_val(temp, 0, 255); |
1153 | |
1154 | mutex_lock(&data->lock); |
1155 | data->pwm[attr->index] = temp; |
1156 | i2c_smbus_write_byte_data(client, ADT7462_REG_PWM(attr->index), temp); |
1157 | mutex_unlock(&data->lock); |
1158 | |
1159 | return count; |
1160 | } |
1161 | |
1162 | static ssize_t show_pwm_max(struct device *dev, |
1163 | struct device_attribute *devattr, |
1164 | char *buf) |
1165 | { |
1166 | struct adt7462_data *data = adt7462_update_device(dev); |
1167 | return sprintf(buf, "%d\n", data->pwm_max); |
1168 | } |
1169 | |
1170 | static ssize_t set_pwm_max(struct device *dev, |
1171 | struct device_attribute *devattr, |
1172 | const char *buf, |
1173 | size_t count) |
1174 | { |
1175 | struct i2c_client *client = to_i2c_client(dev); |
1176 | struct adt7462_data *data = i2c_get_clientdata(client); |
1177 | long temp; |
1178 | |
1179 | if (kstrtol(buf, 10, &temp)) |
1180 | return -EINVAL; |
1181 | |
1182 | temp = clamp_val(temp, 0, 255); |
1183 | |
1184 | mutex_lock(&data->lock); |
1185 | data->pwm_max = temp; |
1186 | i2c_smbus_write_byte_data(client, ADT7462_REG_PWM_MAX, temp); |
1187 | mutex_unlock(&data->lock); |
1188 | |
1189 | return count; |
1190 | } |
1191 | |
1192 | static ssize_t show_pwm_min(struct device *dev, |
1193 | struct device_attribute *devattr, |
1194 | char *buf) |
1195 | { |
1196 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
1197 | struct adt7462_data *data = adt7462_update_device(dev); |
1198 | return sprintf(buf, "%d\n", data->pwm_min[attr->index]); |
1199 | } |
1200 | |
1201 | static ssize_t set_pwm_min(struct device *dev, |
1202 | struct device_attribute *devattr, |
1203 | const char *buf, |
1204 | size_t count) |
1205 | { |
1206 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
1207 | struct i2c_client *client = to_i2c_client(dev); |
1208 | struct adt7462_data *data = i2c_get_clientdata(client); |
1209 | long temp; |
1210 | |
1211 | if (kstrtol(buf, 10, &temp)) |
1212 | return -EINVAL; |
1213 | |
1214 | temp = clamp_val(temp, 0, 255); |
1215 | |
1216 | mutex_lock(&data->lock); |
1217 | data->pwm_min[attr->index] = temp; |
1218 | i2c_smbus_write_byte_data(client, ADT7462_REG_PWM_MIN(attr->index), |
1219 | temp); |
1220 | mutex_unlock(&data->lock); |
1221 | |
1222 | return count; |
1223 | } |
1224 | |
1225 | static ssize_t show_pwm_hyst(struct device *dev, |
1226 | struct device_attribute *devattr, |
1227 | char *buf) |
1228 | { |
1229 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
1230 | struct adt7462_data *data = adt7462_update_device(dev); |
1231 | return sprintf(buf, "%d\n", 1000 * |
1232 | (data->pwm_trange[attr->index] & ADT7462_PWM_HYST_MASK)); |
1233 | } |
1234 | |
1235 | static ssize_t set_pwm_hyst(struct device *dev, |
1236 | struct device_attribute *devattr, |
1237 | const char *buf, |
1238 | size_t count) |
1239 | { |
1240 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
1241 | struct i2c_client *client = to_i2c_client(dev); |
1242 | struct adt7462_data *data = i2c_get_clientdata(client); |
1243 | long temp; |
1244 | |
1245 | if (kstrtol(buf, 10, &temp)) |
1246 | return -EINVAL; |
1247 | |
1248 | temp = DIV_ROUND_CLOSEST(temp, 1000); |
1249 | temp = clamp_val(temp, 0, 15); |
1250 | |
1251 | /* package things up */ |
1252 | temp &= ADT7462_PWM_HYST_MASK; |
1253 | temp |= data->pwm_trange[attr->index] & ADT7462_PWM_RANGE_MASK; |
1254 | |
1255 | mutex_lock(&data->lock); |
1256 | data->pwm_trange[attr->index] = temp; |
1257 | i2c_smbus_write_byte_data(client, ADT7462_REG_PWM_TRANGE(attr->index), |
1258 | temp); |
1259 | mutex_unlock(&data->lock); |
1260 | |
1261 | return count; |
1262 | } |
1263 | |
1264 | static ssize_t show_pwm_tmax(struct device *dev, |
1265 | struct device_attribute *devattr, |
1266 | char *buf) |
1267 | { |
1268 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
1269 | struct adt7462_data *data = adt7462_update_device(dev); |
1270 | |
1271 | /* tmax = tmin + trange */ |
1272 | int trange = trange_values[data->pwm_trange[attr->index] >> |
1273 | ADT7462_PWM_RANGE_SHIFT]; |
1274 | int tmin = (data->pwm_tmin[attr->index] - 64) * 1000; |
1275 | |
1276 | return sprintf(buf, "%d\n", tmin + trange); |
1277 | } |
1278 | |
1279 | static ssize_t set_pwm_tmax(struct device *dev, |
1280 | struct device_attribute *devattr, |
1281 | const char *buf, |
1282 | size_t count) |
1283 | { |
1284 | int temp; |
1285 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
1286 | struct i2c_client *client = to_i2c_client(dev); |
1287 | struct adt7462_data *data = i2c_get_clientdata(client); |
1288 | int tmin, trange_value; |
1289 | long trange; |
1290 | |
1291 | if (kstrtol(buf, 10, &trange)) |
1292 | return -EINVAL; |
1293 | |
1294 | /* trange = tmax - tmin */ |
1295 | tmin = (data->pwm_tmin[attr->index] - 64) * 1000; |
1296 | trange_value = find_trange_value(trange - tmin); |
1297 | |
1298 | if (trange_value < 0) |
1299 | return -EINVAL; |
1300 | |
1301 | temp = trange_value << ADT7462_PWM_RANGE_SHIFT; |
1302 | temp |= data->pwm_trange[attr->index] & ADT7462_PWM_HYST_MASK; |
1303 | |
1304 | mutex_lock(&data->lock); |
1305 | data->pwm_trange[attr->index] = temp; |
1306 | i2c_smbus_write_byte_data(client, ADT7462_REG_PWM_TRANGE(attr->index), |
1307 | temp); |
1308 | mutex_unlock(&data->lock); |
1309 | |
1310 | return count; |
1311 | } |
1312 | |
1313 | static ssize_t show_pwm_tmin(struct device *dev, |
1314 | struct device_attribute *devattr, |
1315 | char *buf) |
1316 | { |
1317 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
1318 | struct adt7462_data *data = adt7462_update_device(dev); |
1319 | return sprintf(buf, "%d\n", 1000 * (data->pwm_tmin[attr->index] - 64)); |
1320 | } |
1321 | |
1322 | static ssize_t set_pwm_tmin(struct device *dev, |
1323 | struct device_attribute *devattr, |
1324 | const char *buf, |
1325 | size_t count) |
1326 | { |
1327 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
1328 | struct i2c_client *client = to_i2c_client(dev); |
1329 | struct adt7462_data *data = i2c_get_clientdata(client); |
1330 | long temp; |
1331 | |
1332 | if (kstrtol(buf, 10, &temp)) |
1333 | return -EINVAL; |
1334 | |
1335 | temp = DIV_ROUND_CLOSEST(temp, 1000) + 64; |
1336 | temp = clamp_val(temp, 0, 255); |
1337 | |
1338 | mutex_lock(&data->lock); |
1339 | data->pwm_tmin[attr->index] = temp; |
1340 | i2c_smbus_write_byte_data(client, ADT7462_REG_PWM_TMIN(attr->index), |
1341 | temp); |
1342 | mutex_unlock(&data->lock); |
1343 | |
1344 | return count; |
1345 | } |
1346 | |
1347 | static ssize_t show_pwm_auto(struct device *dev, |
1348 | struct device_attribute *devattr, |
1349 | char *buf) |
1350 | { |
1351 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
1352 | struct adt7462_data *data = adt7462_update_device(dev); |
1353 | int cfg = data->pwm_cfg[attr->index] >> ADT7462_PWM_CHANNEL_SHIFT; |
1354 | |
1355 | switch (cfg) { |
1356 | case 4: /* off */ |
1357 | return sprintf(buf, "0\n"); |
1358 | case 7: /* manual */ |
1359 | return sprintf(buf, "1\n"); |
1360 | default: /* automatic */ |
1361 | return sprintf(buf, "2\n"); |
1362 | } |
1363 | } |
1364 | |
1365 | static void set_pwm_channel(struct i2c_client *client, |
1366 | struct adt7462_data *data, |
1367 | int which, |
1368 | int value) |
1369 | { |
1370 | int temp = data->pwm_cfg[which] & ~ADT7462_PWM_CHANNEL_MASK; |
1371 | temp |= value << ADT7462_PWM_CHANNEL_SHIFT; |
1372 | |
1373 | mutex_lock(&data->lock); |
1374 | data->pwm_cfg[which] = temp; |
1375 | i2c_smbus_write_byte_data(client, ADT7462_REG_PWM_CFG(which), temp); |
1376 | mutex_unlock(&data->lock); |
1377 | } |
1378 | |
1379 | static ssize_t set_pwm_auto(struct device *dev, |
1380 | struct device_attribute *devattr, |
1381 | const char *buf, |
1382 | size_t count) |
1383 | { |
1384 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
1385 | struct i2c_client *client = to_i2c_client(dev); |
1386 | struct adt7462_data *data = i2c_get_clientdata(client); |
1387 | long temp; |
1388 | |
1389 | if (kstrtol(buf, 10, &temp)) |
1390 | return -EINVAL; |
1391 | |
1392 | switch (temp) { |
1393 | case 0: /* off */ |
1394 | set_pwm_channel(client, data, attr->index, 4); |
1395 | return count; |
1396 | case 1: /* manual */ |
1397 | set_pwm_channel(client, data, attr->index, 7); |
1398 | return count; |
1399 | default: |
1400 | return -EINVAL; |
1401 | } |
1402 | } |
1403 | |
1404 | static ssize_t show_pwm_auto_temp(struct device *dev, |
1405 | struct device_attribute *devattr, |
1406 | char *buf) |
1407 | { |
1408 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
1409 | struct adt7462_data *data = adt7462_update_device(dev); |
1410 | int channel = data->pwm_cfg[attr->index] >> ADT7462_PWM_CHANNEL_SHIFT; |
1411 | |
1412 | switch (channel) { |
1413 | case 0: /* temp[1234] only */ |
1414 | case 1: |
1415 | case 2: |
1416 | case 3: |
1417 | return sprintf(buf, "%d\n", (1 << channel)); |
1418 | case 5: /* temp1 & temp4 */ |
1419 | return sprintf(buf, "9\n"); |
1420 | case 6: |
1421 | return sprintf(buf, "15\n"); |
1422 | default: |
1423 | return sprintf(buf, "0\n"); |
1424 | } |
1425 | } |
1426 | |
1427 | static int cvt_auto_temp(int input) |
1428 | { |
1429 | if (input == 0xF) |
1430 | return 6; |
1431 | if (input == 0x9) |
1432 | return 5; |
1433 | if (input < 1 || !is_power_of_2(input)) |
1434 | return -EINVAL; |
1435 | return ilog2(input); |
1436 | } |
1437 | |
1438 | static ssize_t set_pwm_auto_temp(struct device *dev, |
1439 | struct device_attribute *devattr, |
1440 | const char *buf, |
1441 | size_t count) |
1442 | { |
1443 | struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); |
1444 | struct i2c_client *client = to_i2c_client(dev); |
1445 | struct adt7462_data *data = i2c_get_clientdata(client); |
1446 | long temp; |
1447 | |
1448 | if (kstrtol(buf, 10, &temp)) |
1449 | return -EINVAL; |
1450 | |
1451 | temp = cvt_auto_temp(temp); |
1452 | if (temp < 0) |
1453 | return temp; |
1454 | |
1455 | set_pwm_channel(client, data, attr->index, temp); |
1456 | |
1457 | return count; |
1458 | } |
1459 | |
1460 | static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_max, |
1461 | set_temp_max, 0); |
1462 | static SENSOR_DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_temp_max, |
1463 | set_temp_max, 1); |
1464 | static SENSOR_DEVICE_ATTR(temp3_max, S_IWUSR | S_IRUGO, show_temp_max, |
1465 | set_temp_max, 2); |
1466 | static SENSOR_DEVICE_ATTR(temp4_max, S_IWUSR | S_IRUGO, show_temp_max, |
1467 | set_temp_max, 3); |
1468 | |
1469 | static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp_min, |
1470 | set_temp_min, 0); |
1471 | static SENSOR_DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_temp_min, |
1472 | set_temp_min, 1); |
1473 | static SENSOR_DEVICE_ATTR(temp3_min, S_IWUSR | S_IRUGO, show_temp_min, |
1474 | set_temp_min, 2); |
1475 | static SENSOR_DEVICE_ATTR(temp4_min, S_IWUSR | S_IRUGO, show_temp_min, |
1476 | set_temp_min, 3); |
1477 | |
1478 | static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0); |
1479 | static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1); |
1480 | static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2); |
1481 | static SENSOR_DEVICE_ATTR(temp4_input, S_IRUGO, show_temp, NULL, 3); |
1482 | |
1483 | static SENSOR_DEVICE_ATTR(temp1_label, S_IRUGO, show_temp_label, NULL, 0); |
1484 | static SENSOR_DEVICE_ATTR(temp2_label, S_IRUGO, show_temp_label, NULL, 1); |
1485 | static SENSOR_DEVICE_ATTR(temp3_label, S_IRUGO, show_temp_label, NULL, 2); |
1486 | static SENSOR_DEVICE_ATTR(temp4_label, S_IRUGO, show_temp_label, NULL, 3); |
1487 | |
1488 | static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, |
1489 | ADT7462_ALARM1 | ADT7462_LT_ALARM); |
1490 | static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, |
1491 | ADT7462_ALARM1 | ADT7462_R1T_ALARM); |
1492 | static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, |
1493 | ADT7462_ALARM1 | ADT7462_R2T_ALARM); |
1494 | static SENSOR_DEVICE_ATTR(temp4_alarm, S_IRUGO, show_alarm, NULL, |
1495 | ADT7462_ALARM1 | ADT7462_R3T_ALARM); |
1496 | |
1497 | static SENSOR_DEVICE_ATTR(in1_max, S_IWUSR | S_IRUGO, show_volt_max, |
1498 | set_volt_max, 0); |
1499 | static SENSOR_DEVICE_ATTR(in2_max, S_IWUSR | S_IRUGO, show_volt_max, |
1500 | set_volt_max, 1); |
1501 | static SENSOR_DEVICE_ATTR(in3_max, S_IWUSR | S_IRUGO, show_volt_max, |
1502 | set_volt_max, 2); |
1503 | static SENSOR_DEVICE_ATTR(in4_max, S_IWUSR | S_IRUGO, show_volt_max, |
1504 | set_volt_max, 3); |
1505 | static SENSOR_DEVICE_ATTR(in5_max, S_IWUSR | S_IRUGO, show_volt_max, |
1506 | set_volt_max, 4); |
1507 | static SENSOR_DEVICE_ATTR(in6_max, S_IWUSR | S_IRUGO, show_volt_max, |
1508 | set_volt_max, 5); |
1509 | static SENSOR_DEVICE_ATTR(in7_max, S_IWUSR | S_IRUGO, show_volt_max, |
1510 | set_volt_max, 6); |
1511 | static SENSOR_DEVICE_ATTR(in8_max, S_IWUSR | S_IRUGO, show_volt_max, |
1512 | set_volt_max, 7); |
1513 | static SENSOR_DEVICE_ATTR(in9_max, S_IWUSR | S_IRUGO, show_volt_max, |
1514 | set_volt_max, 8); |
1515 | static SENSOR_DEVICE_ATTR(in10_max, S_IWUSR | S_IRUGO, show_volt_max, |
1516 | set_volt_max, 9); |
1517 | static SENSOR_DEVICE_ATTR(in11_max, S_IWUSR | S_IRUGO, show_volt_max, |
1518 | set_volt_max, 10); |
1519 | static SENSOR_DEVICE_ATTR(in12_max, S_IWUSR | S_IRUGO, show_volt_max, |
1520 | set_volt_max, 11); |
1521 | static SENSOR_DEVICE_ATTR(in13_max, S_IWUSR | S_IRUGO, show_volt_max, |
1522 | set_volt_max, 12); |
1523 | |
1524 | static SENSOR_DEVICE_ATTR(in1_min, S_IWUSR | S_IRUGO, show_volt_min, |
1525 | set_volt_min, 0); |
1526 | static SENSOR_DEVICE_ATTR(in2_min, S_IWUSR | S_IRUGO, show_volt_min, |
1527 | set_volt_min, 1); |
1528 | static SENSOR_DEVICE_ATTR(in3_min, S_IWUSR | S_IRUGO, show_volt_min, |
1529 | set_volt_min, 2); |
1530 | static SENSOR_DEVICE_ATTR(in4_min, S_IWUSR | S_IRUGO, show_volt_min, |
1531 | set_volt_min, 3); |
1532 | static SENSOR_DEVICE_ATTR(in5_min, S_IWUSR | S_IRUGO, show_volt_min, |
1533 | set_volt_min, 4); |
1534 | static SENSOR_DEVICE_ATTR(in6_min, S_IWUSR | S_IRUGO, show_volt_min, |
1535 | set_volt_min, 5); |
1536 | static SENSOR_DEVICE_ATTR(in7_min, S_IWUSR | S_IRUGO, show_volt_min, |
1537 | set_volt_min, 6); |
1538 | static SENSOR_DEVICE_ATTR(in8_min, S_IWUSR | S_IRUGO, show_volt_min, |
1539 | set_volt_min, 7); |
1540 | static SENSOR_DEVICE_ATTR(in9_min, S_IWUSR | S_IRUGO, show_volt_min, |
1541 | set_volt_min, 8); |
1542 | static SENSOR_DEVICE_ATTR(in10_min, S_IWUSR | S_IRUGO, show_volt_min, |
1543 | set_volt_min, 9); |
1544 | static SENSOR_DEVICE_ATTR(in11_min, S_IWUSR | S_IRUGO, show_volt_min, |
1545 | set_volt_min, 10); |
1546 | static SENSOR_DEVICE_ATTR(in12_min, S_IWUSR | S_IRUGO, show_volt_min, |
1547 | set_volt_min, 11); |
1548 | static SENSOR_DEVICE_ATTR(in13_min, S_IWUSR | S_IRUGO, show_volt_min, |
1549 | set_volt_min, 12); |
1550 | |
1551 | static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_voltage, NULL, 0); |
1552 | static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_voltage, NULL, 1); |
1553 | static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_voltage, NULL, 2); |
1554 | static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_voltage, NULL, 3); |
1555 | static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_voltage, NULL, 4); |
1556 | static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_voltage, NULL, 5); |
1557 | static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_voltage, NULL, 6); |
1558 | static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_voltage, NULL, 7); |
1559 | static SENSOR_DEVICE_ATTR(in9_input, S_IRUGO, show_voltage, NULL, 8); |
1560 | static SENSOR_DEVICE_ATTR(in10_input, S_IRUGO, show_voltage, NULL, 9); |
1561 | static SENSOR_DEVICE_ATTR(in11_input, S_IRUGO, show_voltage, NULL, 10); |
1562 | static SENSOR_DEVICE_ATTR(in12_input, S_IRUGO, show_voltage, NULL, 11); |
1563 | static SENSOR_DEVICE_ATTR(in13_input, S_IRUGO, show_voltage, NULL, 12); |
1564 | |
1565 | static SENSOR_DEVICE_ATTR(in1_label, S_IRUGO, show_voltage_label, NULL, 0); |
1566 | static SENSOR_DEVICE_ATTR(in2_label, S_IRUGO, show_voltage_label, NULL, 1); |
1567 | static SENSOR_DEVICE_ATTR(in3_label, S_IRUGO, show_voltage_label, NULL, 2); |
1568 | static SENSOR_DEVICE_ATTR(in4_label, S_IRUGO, show_voltage_label, NULL, 3); |
1569 | static SENSOR_DEVICE_ATTR(in5_label, S_IRUGO, show_voltage_label, NULL, 4); |
1570 | static SENSOR_DEVICE_ATTR(in6_label, S_IRUGO, show_voltage_label, NULL, 5); |
1571 | static SENSOR_DEVICE_ATTR(in7_label, S_IRUGO, show_voltage_label, NULL, 6); |
1572 | static SENSOR_DEVICE_ATTR(in8_label, S_IRUGO, show_voltage_label, NULL, 7); |
1573 | static SENSOR_DEVICE_ATTR(in9_label, S_IRUGO, show_voltage_label, NULL, 8); |
1574 | static SENSOR_DEVICE_ATTR(in10_label, S_IRUGO, show_voltage_label, NULL, 9); |
1575 | static SENSOR_DEVICE_ATTR(in11_label, S_IRUGO, show_voltage_label, NULL, 10); |
1576 | static SENSOR_DEVICE_ATTR(in12_label, S_IRUGO, show_voltage_label, NULL, 11); |
1577 | static SENSOR_DEVICE_ATTR(in13_label, S_IRUGO, show_voltage_label, NULL, 12); |
1578 | |
1579 | static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, |
1580 | ADT7462_ALARM2 | ADT7462_V0_ALARM); |
1581 | static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, |
1582 | ADT7462_ALARM2 | ADT7462_V7_ALARM); |
1583 | static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, |
1584 | ADT7462_ALARM2 | ADT7462_V2_ALARM); |
1585 | static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, |
1586 | ADT7462_ALARM2 | ADT7462_V6_ALARM); |
1587 | static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, |
1588 | ADT7462_ALARM2 | ADT7462_V5_ALARM); |
1589 | static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, |
1590 | ADT7462_ALARM2 | ADT7462_V4_ALARM); |
1591 | static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, |
1592 | ADT7462_ALARM2 | ADT7462_V3_ALARM); |
1593 | static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, |
1594 | ADT7462_ALARM2 | ADT7462_V1_ALARM); |
1595 | static SENSOR_DEVICE_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, |
1596 | ADT7462_ALARM3 | ADT7462_V10_ALARM); |
1597 | static SENSOR_DEVICE_ATTR(in10_alarm, S_IRUGO, show_alarm, NULL, |
1598 | ADT7462_ALARM3 | ADT7462_V9_ALARM); |
1599 | static SENSOR_DEVICE_ATTR(in11_alarm, S_IRUGO, show_alarm, NULL, |
1600 | ADT7462_ALARM3 | ADT7462_V8_ALARM); |
1601 | static SENSOR_DEVICE_ATTR(in12_alarm, S_IRUGO, show_alarm, NULL, |
1602 | ADT7462_ALARM3 | ADT7462_V11_ALARM); |
1603 | static SENSOR_DEVICE_ATTR(in13_alarm, S_IRUGO, show_alarm, NULL, |
1604 | ADT7462_ALARM3 | ADT7462_V12_ALARM); |
1605 | |
1606 | static SENSOR_DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min, |
1607 | set_fan_min, 0); |
1608 | static SENSOR_DEVICE_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min, |
1609 | set_fan_min, 1); |
1610 | static SENSOR_DEVICE_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min, |
1611 | set_fan_min, 2); |
1612 | static SENSOR_DEVICE_ATTR(fan4_min, S_IWUSR | S_IRUGO, show_fan_min, |
1613 | set_fan_min, 3); |
1614 | static SENSOR_DEVICE_ATTR(fan5_min, S_IWUSR | S_IRUGO, show_fan_min, |
1615 | set_fan_min, 4); |
1616 | static SENSOR_DEVICE_ATTR(fan6_min, S_IWUSR | S_IRUGO, show_fan_min, |
1617 | set_fan_min, 5); |
1618 | static SENSOR_DEVICE_ATTR(fan7_min, S_IWUSR | S_IRUGO, show_fan_min, |
1619 | set_fan_min, 6); |
1620 | static SENSOR_DEVICE_ATTR(fan8_min, S_IWUSR | S_IRUGO, show_fan_min, |
1621 | set_fan_min, 7); |
1622 | |
1623 | static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0); |
1624 | static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1); |
1625 | static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2); |
1626 | static SENSOR_DEVICE_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3); |
1627 | static SENSOR_DEVICE_ATTR(fan5_input, S_IRUGO, show_fan, NULL, 4); |
1628 | static SENSOR_DEVICE_ATTR(fan6_input, S_IRUGO, show_fan, NULL, 5); |
1629 | static SENSOR_DEVICE_ATTR(fan7_input, S_IRUGO, show_fan, NULL, 6); |
1630 | static SENSOR_DEVICE_ATTR(fan8_input, S_IRUGO, show_fan, NULL, 7); |
1631 | |
1632 | static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, |
1633 | ADT7462_ALARM4 | ADT7462_F0_ALARM); |
1634 | static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, |
1635 | ADT7462_ALARM4 | ADT7462_F1_ALARM); |
1636 | static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, |
1637 | ADT7462_ALARM4 | ADT7462_F2_ALARM); |
1638 | static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL, |
1639 | ADT7462_ALARM4 | ADT7462_F3_ALARM); |
1640 | static SENSOR_DEVICE_ATTR(fan5_alarm, S_IRUGO, show_alarm, NULL, |
1641 | ADT7462_ALARM4 | ADT7462_F4_ALARM); |
1642 | static SENSOR_DEVICE_ATTR(fan6_alarm, S_IRUGO, show_alarm, NULL, |
1643 | ADT7462_ALARM4 | ADT7462_F5_ALARM); |
1644 | static SENSOR_DEVICE_ATTR(fan7_alarm, S_IRUGO, show_alarm, NULL, |
1645 | ADT7462_ALARM4 | ADT7462_F6_ALARM); |
1646 | static SENSOR_DEVICE_ATTR(fan8_alarm, S_IRUGO, show_alarm, NULL, |
1647 | ADT7462_ALARM4 | ADT7462_F7_ALARM); |
1648 | |
1649 | static SENSOR_DEVICE_ATTR(force_pwm_max, S_IWUSR | S_IRUGO, |
1650 | show_force_pwm_max, set_force_pwm_max, 0); |
1651 | |
1652 | static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 0); |
1653 | static SENSOR_DEVICE_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 1); |
1654 | static SENSOR_DEVICE_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 2); |
1655 | static SENSOR_DEVICE_ATTR(pwm4, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 3); |
1656 | |
1657 | static SENSOR_DEVICE_ATTR(pwm1_auto_point1_pwm, S_IWUSR | S_IRUGO, |
1658 | show_pwm_min, set_pwm_min, 0); |
1659 | static SENSOR_DEVICE_ATTR(pwm2_auto_point1_pwm, S_IWUSR | S_IRUGO, |
1660 | show_pwm_min, set_pwm_min, 1); |
1661 | static SENSOR_DEVICE_ATTR(pwm3_auto_point1_pwm, S_IWUSR | S_IRUGO, |
1662 | show_pwm_min, set_pwm_min, 2); |
1663 | static SENSOR_DEVICE_ATTR(pwm4_auto_point1_pwm, S_IWUSR | S_IRUGO, |
1664 | show_pwm_min, set_pwm_min, 3); |
1665 | |
1666 | static SENSOR_DEVICE_ATTR(pwm1_auto_point2_pwm, S_IWUSR | S_IRUGO, |
1667 | show_pwm_max, set_pwm_max, 0); |
1668 | static SENSOR_DEVICE_ATTR(pwm2_auto_point2_pwm, S_IWUSR | S_IRUGO, |
1669 | show_pwm_max, set_pwm_max, 1); |
1670 | static SENSOR_DEVICE_ATTR(pwm3_auto_point2_pwm, S_IWUSR | S_IRUGO, |
1671 | show_pwm_max, set_pwm_max, 2); |
1672 | static SENSOR_DEVICE_ATTR(pwm4_auto_point2_pwm, S_IWUSR | S_IRUGO, |
1673 | show_pwm_max, set_pwm_max, 3); |
1674 | |
1675 | static SENSOR_DEVICE_ATTR(temp1_auto_point1_hyst, S_IWUSR | S_IRUGO, |
1676 | show_pwm_hyst, set_pwm_hyst, 0); |
1677 | static SENSOR_DEVICE_ATTR(temp2_auto_point1_hyst, S_IWUSR | S_IRUGO, |
1678 | show_pwm_hyst, set_pwm_hyst, 1); |
1679 | static SENSOR_DEVICE_ATTR(temp3_auto_point1_hyst, S_IWUSR | S_IRUGO, |
1680 | show_pwm_hyst, set_pwm_hyst, 2); |
1681 | static SENSOR_DEVICE_ATTR(temp4_auto_point1_hyst, S_IWUSR | S_IRUGO, |
1682 | show_pwm_hyst, set_pwm_hyst, 3); |
1683 | |
1684 | static SENSOR_DEVICE_ATTR(temp1_auto_point2_hyst, S_IWUSR | S_IRUGO, |
1685 | show_pwm_hyst, set_pwm_hyst, 0); |
1686 | static SENSOR_DEVICE_ATTR(temp2_auto_point2_hyst, S_IWUSR | S_IRUGO, |
1687 | show_pwm_hyst, set_pwm_hyst, 1); |
1688 | static SENSOR_DEVICE_ATTR(temp3_auto_point2_hyst, S_IWUSR | S_IRUGO, |
1689 | show_pwm_hyst, set_pwm_hyst, 2); |
1690 | static SENSOR_DEVICE_ATTR(temp4_auto_point2_hyst, S_IWUSR | S_IRUGO, |
1691 | show_pwm_hyst, set_pwm_hyst, 3); |
1692 | |
1693 | static SENSOR_DEVICE_ATTR(temp1_auto_point1_temp, S_IWUSR | S_IRUGO, |
1694 | show_pwm_tmin, set_pwm_tmin, 0); |
1695 | static SENSOR_DEVICE_ATTR(temp2_auto_point1_temp, S_IWUSR | S_IRUGO, |
1696 | show_pwm_tmin, set_pwm_tmin, 1); |
1697 | static SENSOR_DEVICE_ATTR(temp3_auto_point1_temp, S_IWUSR | S_IRUGO, |
1698 | show_pwm_tmin, set_pwm_tmin, 2); |
1699 | static SENSOR_DEVICE_ATTR(temp4_auto_point1_temp, S_IWUSR | S_IRUGO, |
1700 | show_pwm_tmin, set_pwm_tmin, 3); |
1701 | |
1702 | static SENSOR_DEVICE_ATTR(temp1_auto_point2_temp, S_IWUSR | S_IRUGO, |
1703 | show_pwm_tmax, set_pwm_tmax, 0); |
1704 | static SENSOR_DEVICE_ATTR(temp2_auto_point2_temp, S_IWUSR | S_IRUGO, |
1705 | show_pwm_tmax, set_pwm_tmax, 1); |
1706 | static SENSOR_DEVICE_ATTR(temp3_auto_point2_temp, S_IWUSR | S_IRUGO, |
1707 | show_pwm_tmax, set_pwm_tmax, 2); |
1708 | static SENSOR_DEVICE_ATTR(temp4_auto_point2_temp, S_IWUSR | S_IRUGO, |
1709 | show_pwm_tmax, set_pwm_tmax, 3); |
1710 | |
1711 | static SENSOR_DEVICE_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, show_pwm_auto, |
1712 | set_pwm_auto, 0); |
1713 | static SENSOR_DEVICE_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, show_pwm_auto, |
1714 | set_pwm_auto, 1); |
1715 | static SENSOR_DEVICE_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, show_pwm_auto, |
1716 | set_pwm_auto, 2); |
1717 | static SENSOR_DEVICE_ATTR(pwm4_enable, S_IWUSR | S_IRUGO, show_pwm_auto, |
1718 | set_pwm_auto, 3); |
1719 | |
1720 | static SENSOR_DEVICE_ATTR(pwm1_auto_channels_temp, S_IWUSR | S_IRUGO, |
1721 | show_pwm_auto_temp, set_pwm_auto_temp, 0); |
1722 | static SENSOR_DEVICE_ATTR(pwm2_auto_channels_temp, S_IWUSR | S_IRUGO, |
1723 | show_pwm_auto_temp, set_pwm_auto_temp, 1); |
1724 | static SENSOR_DEVICE_ATTR(pwm3_auto_channels_temp, S_IWUSR | S_IRUGO, |
1725 | show_pwm_auto_temp, set_pwm_auto_temp, 2); |
1726 | static SENSOR_DEVICE_ATTR(pwm4_auto_channels_temp, S_IWUSR | S_IRUGO, |
1727 | show_pwm_auto_temp, set_pwm_auto_temp, 3); |
1728 | |
1729 | static struct attribute *adt7462_attr[] = { |
1730 | &sensor_dev_attr_temp1_max.dev_attr.attr, |
1731 | &sensor_dev_attr_temp2_max.dev_attr.attr, |
1732 | &sensor_dev_attr_temp3_max.dev_attr.attr, |
1733 | &sensor_dev_attr_temp4_max.dev_attr.attr, |
1734 | |
1735 | &sensor_dev_attr_temp1_min.dev_attr.attr, |
1736 | &sensor_dev_attr_temp2_min.dev_attr.attr, |
1737 | &sensor_dev_attr_temp3_min.dev_attr.attr, |
1738 | &sensor_dev_attr_temp4_min.dev_attr.attr, |
1739 | |
1740 | &sensor_dev_attr_temp1_input.dev_attr.attr, |
1741 | &sensor_dev_attr_temp2_input.dev_attr.attr, |
1742 | &sensor_dev_attr_temp3_input.dev_attr.attr, |
1743 | &sensor_dev_attr_temp4_input.dev_attr.attr, |
1744 | |
1745 | &sensor_dev_attr_temp1_label.dev_attr.attr, |
1746 | &sensor_dev_attr_temp2_label.dev_attr.attr, |
1747 | &sensor_dev_attr_temp3_label.dev_attr.attr, |
1748 | &sensor_dev_attr_temp4_label.dev_attr.attr, |
1749 | |
1750 | &sensor_dev_attr_temp1_alarm.dev_attr.attr, |
1751 | &sensor_dev_attr_temp2_alarm.dev_attr.attr, |
1752 | &sensor_dev_attr_temp3_alarm.dev_attr.attr, |
1753 | &sensor_dev_attr_temp4_alarm.dev_attr.attr, |
1754 | |
1755 | &sensor_dev_attr_in1_max.dev_attr.attr, |
1756 | &sensor_dev_attr_in2_max.dev_attr.attr, |
1757 | &sensor_dev_attr_in3_max.dev_attr.attr, |
1758 | &sensor_dev_attr_in4_max.dev_attr.attr, |
1759 | &sensor_dev_attr_in5_max.dev_attr.attr, |
1760 | &sensor_dev_attr_in6_max.dev_attr.attr, |
1761 | &sensor_dev_attr_in7_max.dev_attr.attr, |
1762 | &sensor_dev_attr_in8_max.dev_attr.attr, |
1763 | &sensor_dev_attr_in9_max.dev_attr.attr, |
1764 | &sensor_dev_attr_in10_max.dev_attr.attr, |
1765 | &sensor_dev_attr_in11_max.dev_attr.attr, |
1766 | &sensor_dev_attr_in12_max.dev_attr.attr, |
1767 | &sensor_dev_attr_in13_max.dev_attr.attr, |
1768 | |
1769 | &sensor_dev_attr_in1_min.dev_attr.attr, |
1770 | &sensor_dev_attr_in2_min.dev_attr.attr, |
1771 | &sensor_dev_attr_in3_min.dev_attr.attr, |
1772 | &sensor_dev_attr_in4_min.dev_attr.attr, |
1773 | &sensor_dev_attr_in5_min.dev_attr.attr, |
1774 | &sensor_dev_attr_in6_min.dev_attr.attr, |
1775 | &sensor_dev_attr_in7_min.dev_attr.attr, |
1776 | &sensor_dev_attr_in8_min.dev_attr.attr, |
1777 | &sensor_dev_attr_in9_min.dev_attr.attr, |
1778 | &sensor_dev_attr_in10_min.dev_attr.attr, |
1779 | &sensor_dev_attr_in11_min.dev_attr.attr, |
1780 | &sensor_dev_attr_in12_min.dev_attr.attr, |
1781 | &sensor_dev_attr_in13_min.dev_attr.attr, |
1782 | |
1783 | &sensor_dev_attr_in1_input.dev_attr.attr, |
1784 | &sensor_dev_attr_in2_input.dev_attr.attr, |
1785 | &sensor_dev_attr_in3_input.dev_attr.attr, |
1786 | &sensor_dev_attr_in4_input.dev_attr.attr, |
1787 | &sensor_dev_attr_in5_input.dev_attr.attr, |
1788 | &sensor_dev_attr_in6_input.dev_attr.attr, |
1789 | &sensor_dev_attr_in7_input.dev_attr.attr, |
1790 | &sensor_dev_attr_in8_input.dev_attr.attr, |
1791 | &sensor_dev_attr_in9_input.dev_attr.attr, |
1792 | &sensor_dev_attr_in10_input.dev_attr.attr, |
1793 | &sensor_dev_attr_in11_input.dev_attr.attr, |
1794 | &sensor_dev_attr_in12_input.dev_attr.attr, |
1795 | &sensor_dev_attr_in13_input.dev_attr.attr, |
1796 | |
1797 | &sensor_dev_attr_in1_label.dev_attr.attr, |
1798 | &sensor_dev_attr_in2_label.dev_attr.attr, |
1799 | &sensor_dev_attr_in3_label.dev_attr.attr, |
1800 | &sensor_dev_attr_in4_label.dev_attr.attr, |
1801 | &sensor_dev_attr_in5_label.dev_attr.attr, |
1802 | &sensor_dev_attr_in6_label.dev_attr.attr, |
1803 | &sensor_dev_attr_in7_label.dev_attr.attr, |
1804 | &sensor_dev_attr_in8_label.dev_attr.attr, |
1805 | &sensor_dev_attr_in9_label.dev_attr.attr, |
1806 | &sensor_dev_attr_in10_label.dev_attr.attr, |
1807 | &sensor_dev_attr_in11_label.dev_attr.attr, |
1808 | &sensor_dev_attr_in12_label.dev_attr.attr, |
1809 | &sensor_dev_attr_in13_label.dev_attr.attr, |
1810 | |
1811 | &sensor_dev_attr_in1_alarm.dev_attr.attr, |
1812 | &sensor_dev_attr_in2_alarm.dev_attr.attr, |
1813 | &sensor_dev_attr_in3_alarm.dev_attr.attr, |
1814 | &sensor_dev_attr_in4_alarm.dev_attr.attr, |
1815 | &sensor_dev_attr_in5_alarm.dev_attr.attr, |
1816 | &sensor_dev_attr_in6_alarm.dev_attr.attr, |
1817 | &sensor_dev_attr_in7_alarm.dev_attr.attr, |
1818 | &sensor_dev_attr_in8_alarm.dev_attr.attr, |
1819 | &sensor_dev_attr_in9_alarm.dev_attr.attr, |
1820 | &sensor_dev_attr_in10_alarm.dev_attr.attr, |
1821 | &sensor_dev_attr_in11_alarm.dev_attr.attr, |
1822 | &sensor_dev_attr_in12_alarm.dev_attr.attr, |
1823 | &sensor_dev_attr_in13_alarm.dev_attr.attr, |
1824 | |
1825 | &sensor_dev_attr_fan1_min.dev_attr.attr, |
1826 | &sensor_dev_attr_fan2_min.dev_attr.attr, |
1827 | &sensor_dev_attr_fan3_min.dev_attr.attr, |
1828 | &sensor_dev_attr_fan4_min.dev_attr.attr, |
1829 | &sensor_dev_attr_fan5_min.dev_attr.attr, |
1830 | &sensor_dev_attr_fan6_min.dev_attr.attr, |
1831 | &sensor_dev_attr_fan7_min.dev_attr.attr, |
1832 | &sensor_dev_attr_fan8_min.dev_attr.attr, |
1833 | |
1834 | &sensor_dev_attr_fan1_input.dev_attr.attr, |
1835 | &sensor_dev_attr_fan2_input.dev_attr.attr, |
1836 | &sensor_dev_attr_fan3_input.dev_attr.attr, |
1837 | &sensor_dev_attr_fan4_input.dev_attr.attr, |
1838 | &sensor_dev_attr_fan5_input.dev_attr.attr, |
1839 | &sensor_dev_attr_fan6_input.dev_attr.attr, |
1840 | &sensor_dev_attr_fan7_input.dev_attr.attr, |
1841 | &sensor_dev_attr_fan8_input.dev_attr.attr, |
1842 | |
1843 | &sensor_dev_attr_fan1_alarm.dev_attr.attr, |
1844 | &sensor_dev_attr_fan2_alarm.dev_attr.attr, |
1845 | &sensor_dev_attr_fan3_alarm.dev_attr.attr, |
1846 | &sensor_dev_attr_fan4_alarm.dev_attr.attr, |
1847 | &sensor_dev_attr_fan5_alarm.dev_attr.attr, |
1848 | &sensor_dev_attr_fan6_alarm.dev_attr.attr, |
1849 | &sensor_dev_attr_fan7_alarm.dev_attr.attr, |
1850 | &sensor_dev_attr_fan8_alarm.dev_attr.attr, |
1851 | |
1852 | &sensor_dev_attr_force_pwm_max.dev_attr.attr, |
1853 | &sensor_dev_attr_pwm1.dev_attr.attr, |
1854 | &sensor_dev_attr_pwm2.dev_attr.attr, |
1855 | &sensor_dev_attr_pwm3.dev_attr.attr, |
1856 | &sensor_dev_attr_pwm4.dev_attr.attr, |
1857 | |
1858 | &sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr, |
1859 | &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr, |
1860 | &sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr, |
1861 | &sensor_dev_attr_pwm4_auto_point1_pwm.dev_attr.attr, |
1862 | |
1863 | &sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr, |
1864 | &sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr, |
1865 | &sensor_dev_attr_pwm3_auto_point2_pwm.dev_attr.attr, |
1866 | &sensor_dev_attr_pwm4_auto_point2_pwm.dev_attr.attr, |
1867 | |
1868 | &sensor_dev_attr_temp1_auto_point1_hyst.dev_attr.attr, |
1869 | &sensor_dev_attr_temp2_auto_point1_hyst.dev_attr.attr, |
1870 | &sensor_dev_attr_temp3_auto_point1_hyst.dev_attr.attr, |
1871 | &sensor_dev_attr_temp4_auto_point1_hyst.dev_attr.attr, |
1872 | |
1873 | &sensor_dev_attr_temp1_auto_point2_hyst.dev_attr.attr, |
1874 | &sensor_dev_attr_temp2_auto_point2_hyst.dev_attr.attr, |
1875 | &sensor_dev_attr_temp3_auto_point2_hyst.dev_attr.attr, |
1876 | &sensor_dev_attr_temp4_auto_point2_hyst.dev_attr.attr, |
1877 | |
1878 | &sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr, |
1879 | &sensor_dev_attr_temp2_auto_point1_temp.dev_attr.attr, |
1880 | &sensor_dev_attr_temp3_auto_point1_temp.dev_attr.attr, |
1881 | &sensor_dev_attr_temp4_auto_point1_temp.dev_attr.attr, |
1882 | |
1883 | &sensor_dev_attr_temp1_auto_point2_temp.dev_attr.attr, |
1884 | &sensor_dev_attr_temp2_auto_point2_temp.dev_attr.attr, |
1885 | &sensor_dev_attr_temp3_auto_point2_temp.dev_attr.attr, |
1886 | &sensor_dev_attr_temp4_auto_point2_temp.dev_attr.attr, |
1887 | |
1888 | &sensor_dev_attr_pwm1_enable.dev_attr.attr, |
1889 | &sensor_dev_attr_pwm2_enable.dev_attr.attr, |
1890 | &sensor_dev_attr_pwm3_enable.dev_attr.attr, |
1891 | &sensor_dev_attr_pwm4_enable.dev_attr.attr, |
1892 | |
1893 | &sensor_dev_attr_pwm1_auto_channels_temp.dev_attr.attr, |
1894 | &sensor_dev_attr_pwm2_auto_channels_temp.dev_attr.attr, |
1895 | &sensor_dev_attr_pwm3_auto_channels_temp.dev_attr.attr, |
1896 | &sensor_dev_attr_pwm4_auto_channels_temp.dev_attr.attr, |
1897 | NULL |
1898 | }; |
1899 | |
1900 | /* Return 0 if detection is successful, -ENODEV otherwise */ |
1901 | static int adt7462_detect(struct i2c_client *client, |
1902 | struct i2c_board_info *info) |
1903 | { |
1904 | struct i2c_adapter *adapter = client->adapter; |
1905 | int vendor, device, revision; |
1906 | |
1907 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) |
1908 | return -ENODEV; |
1909 | |
1910 | vendor = i2c_smbus_read_byte_data(client, ADT7462_REG_VENDOR); |
1911 | if (vendor != ADT7462_VENDOR) |
1912 | return -ENODEV; |
1913 | |
1914 | device = i2c_smbus_read_byte_data(client, ADT7462_REG_DEVICE); |
1915 | if (device != ADT7462_DEVICE) |
1916 | return -ENODEV; |
1917 | |
1918 | revision = i2c_smbus_read_byte_data(client, ADT7462_REG_REVISION); |
1919 | if (revision != ADT7462_REVISION) |
1920 | return -ENODEV; |
1921 | |
1922 | strlcpy(info->type, "adt7462", I2C_NAME_SIZE); |
1923 | |
1924 | return 0; |
1925 | } |
1926 | |
1927 | static int adt7462_probe(struct i2c_client *client, |
1928 | const struct i2c_device_id *id) |
1929 | { |
1930 | struct adt7462_data *data; |
1931 | int err; |
1932 | |
1933 | data = devm_kzalloc(&client->dev, sizeof(struct adt7462_data), |
1934 | GFP_KERNEL); |
1935 | if (!data) |
1936 | return -ENOMEM; |
1937 | |
1938 | i2c_set_clientdata(client, data); |
1939 | mutex_init(&data->lock); |
1940 | |
1941 | dev_info(&client->dev, "%s chip found\n", client->name); |
1942 | |
1943 | /* Register sysfs hooks */ |
1944 | data->attrs.attrs = adt7462_attr; |
1945 | err = sysfs_create_group(&client->dev.kobj, &data->attrs); |
1946 | if (err) |
1947 | return err; |
1948 | |
1949 | data->hwmon_dev = hwmon_device_register(&client->dev); |
1950 | if (IS_ERR(data->hwmon_dev)) { |
1951 | err = PTR_ERR(data->hwmon_dev); |
1952 | goto exit_remove; |
1953 | } |
1954 | |
1955 | return 0; |
1956 | |
1957 | exit_remove: |
1958 | sysfs_remove_group(&client->dev.kobj, &data->attrs); |
1959 | return err; |
1960 | } |
1961 | |
1962 | static int adt7462_remove(struct i2c_client *client) |
1963 | { |
1964 | struct adt7462_data *data = i2c_get_clientdata(client); |
1965 | |
1966 | hwmon_device_unregister(data->hwmon_dev); |
1967 | sysfs_remove_group(&client->dev.kobj, &data->attrs); |
1968 | return 0; |
1969 | } |
1970 | |
1971 | module_i2c_driver(adt7462_driver); |
1972 | |
1973 | MODULE_AUTHOR("Darrick J. Wong <djwong@us.ibm.com>"); |
1974 | MODULE_DESCRIPTION("ADT7462 driver"); |
1975 | MODULE_LICENSE("GPL"); |
1976 |
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