Commit | Line | Data |
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1c301fc5 JC |
1 | /* |
2 | * adt7475 - Thermal sensor driver for the ADT7475 chip and derivatives | |
3 | * Copyright (C) 2007-2008, Advanced Micro Devices, Inc. | |
4 | * Copyright (C) 2008 Jordan Crouse <jordan@cosmicpenguin.net> | |
5 | * Copyright (C) 2008 Hans de Goede <hdegoede@redhat.com> | |
3d849981 JD |
6 | * Copyright (C) 2009 Jean Delvare <khali@linux-fr.org> |
7 | * | |
1c301fc5 JC |
8 | * Derived from the lm83 driver by Jean Delvare |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License version 2 as | |
12 | * published by the Free Software Foundation. | |
13 | */ | |
14 | ||
15 | #include <linux/module.h> | |
16 | #include <linux/init.h> | |
17 | #include <linux/slab.h> | |
18 | #include <linux/i2c.h> | |
19 | #include <linux/hwmon.h> | |
20 | #include <linux/hwmon-sysfs.h> | |
54fe4671 | 21 | #include <linux/hwmon-vid.h> |
1c301fc5 JC |
22 | #include <linux/err.h> |
23 | ||
24 | /* Indexes for the sysfs hooks */ | |
25 | ||
26 | #define INPUT 0 | |
27 | #define MIN 1 | |
28 | #define MAX 2 | |
29 | #define CONTROL 3 | |
30 | #define OFFSET 3 | |
31 | #define AUTOMIN 4 | |
32 | #define THERM 5 | |
33 | #define HYSTERSIS 6 | |
34 | ||
9ed5bc24 GR |
35 | /* |
36 | * These are unique identifiers for the sysfs functions - unlike the | |
37 | * numbers above, these are not also indexes into an array | |
38 | */ | |
1c301fc5 JC |
39 | |
40 | #define ALARM 9 | |
41 | #define FAULT 10 | |
42 | ||
43 | /* 7475 Common Registers */ | |
44 | ||
d07ca4ad JD |
45 | #define REG_DEVREV2 0x12 /* ADT7490 only */ |
46 | ||
3d849981 JD |
47 | #define REG_VTT 0x1E /* ADT7490 only */ |
48 | #define REG_EXTEND3 0x1F /* ADT7490 only */ | |
49 | ||
cffb9dd0 | 50 | #define REG_VOLTAGE_BASE 0x20 |
1c301fc5 JC |
51 | #define REG_TEMP_BASE 0x25 |
52 | #define REG_TACH_BASE 0x28 | |
53 | #define REG_PWM_BASE 0x30 | |
54 | #define REG_PWM_MAX_BASE 0x38 | |
55 | ||
56 | #define REG_DEVID 0x3D | |
57 | #define REG_VENDID 0x3E | |
d656b6fd | 58 | #define REG_DEVID2 0x3F |
1c301fc5 JC |
59 | |
60 | #define REG_STATUS1 0x41 | |
61 | #define REG_STATUS2 0x42 | |
62 | ||
d8d2ee07 JD |
63 | #define REG_VID 0x43 /* ADT7476 only */ |
64 | ||
cffb9dd0 JD |
65 | #define REG_VOLTAGE_MIN_BASE 0x44 |
66 | #define REG_VOLTAGE_MAX_BASE 0x45 | |
1c301fc5 JC |
67 | |
68 | #define REG_TEMP_MIN_BASE 0x4E | |
69 | #define REG_TEMP_MAX_BASE 0x4F | |
70 | ||
71 | #define REG_TACH_MIN_BASE 0x54 | |
72 | ||
73 | #define REG_PWM_CONFIG_BASE 0x5C | |
74 | ||
75 | #define REG_TEMP_TRANGE_BASE 0x5F | |
76 | ||
77 | #define REG_PWM_MIN_BASE 0x64 | |
78 | ||
79 | #define REG_TEMP_TMIN_BASE 0x67 | |
80 | #define REG_TEMP_THERM_BASE 0x6A | |
81 | ||
82 | #define REG_REMOTE1_HYSTERSIS 0x6D | |
83 | #define REG_REMOTE2_HYSTERSIS 0x6E | |
84 | ||
85 | #define REG_TEMP_OFFSET_BASE 0x70 | |
86 | ||
ebfaf1fb JD |
87 | #define REG_CONFIG2 0x73 |
88 | ||
1c301fc5 JC |
89 | #define REG_EXTEND1 0x76 |
90 | #define REG_EXTEND2 0x77 | |
378933c9 JD |
91 | |
92 | #define REG_CONFIG3 0x78 | |
1c301fc5 | 93 | #define REG_CONFIG5 0x7C |
f99318b2 JD |
94 | #define REG_CONFIG4 0x7D |
95 | ||
3d849981 JD |
96 | #define REG_STATUS4 0x81 /* ADT7490 only */ |
97 | ||
98 | #define REG_VTT_MIN 0x84 /* ADT7490 only */ | |
99 | #define REG_VTT_MAX 0x86 /* ADT7490 only */ | |
100 | ||
d8d2ee07 JD |
101 | #define VID_VIDSEL 0x80 /* ADT7476 only */ |
102 | ||
ebfaf1fb JD |
103 | #define CONFIG2_ATTN 0x20 |
104 | ||
378933c9 JD |
105 | #define CONFIG3_SMBALERT 0x01 |
106 | #define CONFIG3_THERM 0x02 | |
107 | ||
108 | #define CONFIG4_PINFUNC 0x03 | |
f99318b2 | 109 | #define CONFIG4_MAXDUTY 0x08 |
ebfaf1fb JD |
110 | #define CONFIG4_ATTN_IN10 0x30 |
111 | #define CONFIG4_ATTN_IN43 0xC0 | |
1c301fc5 JC |
112 | |
113 | #define CONFIG5_TWOSCOMP 0x01 | |
114 | #define CONFIG5_TEMPOFFSET 0x02 | |
54fe4671 | 115 | #define CONFIG5_VIDGPIO 0x10 /* ADT7476 only */ |
1c301fc5 JC |
116 | |
117 | /* ADT7475 Settings */ | |
118 | ||
cffb9dd0 | 119 | #define ADT7475_VOLTAGE_COUNT 5 /* Not counting Vtt */ |
1c301fc5 JC |
120 | #define ADT7475_TEMP_COUNT 3 |
121 | #define ADT7475_TACH_COUNT 4 | |
122 | #define ADT7475_PWM_COUNT 3 | |
123 | ||
124 | /* Macro to read the registers */ | |
125 | ||
126 | #define adt7475_read(reg) i2c_smbus_read_byte_data(client, (reg)) | |
127 | ||
128 | /* Macros to easily index the registers */ | |
129 | ||
130 | #define TACH_REG(idx) (REG_TACH_BASE + ((idx) * 2)) | |
131 | #define TACH_MIN_REG(idx) (REG_TACH_MIN_BASE + ((idx) * 2)) | |
132 | ||
133 | #define PWM_REG(idx) (REG_PWM_BASE + (idx)) | |
134 | #define PWM_MAX_REG(idx) (REG_PWM_MAX_BASE + (idx)) | |
135 | #define PWM_MIN_REG(idx) (REG_PWM_MIN_BASE + (idx)) | |
136 | #define PWM_CONFIG_REG(idx) (REG_PWM_CONFIG_BASE + (idx)) | |
137 | ||
138 | #define VOLTAGE_REG(idx) (REG_VOLTAGE_BASE + (idx)) | |
139 | #define VOLTAGE_MIN_REG(idx) (REG_VOLTAGE_MIN_BASE + ((idx) * 2)) | |
140 | #define VOLTAGE_MAX_REG(idx) (REG_VOLTAGE_MAX_BASE + ((idx) * 2)) | |
141 | ||
142 | #define TEMP_REG(idx) (REG_TEMP_BASE + (idx)) | |
143 | #define TEMP_MIN_REG(idx) (REG_TEMP_MIN_BASE + ((idx) * 2)) | |
144 | #define TEMP_MAX_REG(idx) (REG_TEMP_MAX_BASE + ((idx) * 2)) | |
145 | #define TEMP_TMIN_REG(idx) (REG_TEMP_TMIN_BASE + (idx)) | |
146 | #define TEMP_THERM_REG(idx) (REG_TEMP_THERM_BASE + (idx)) | |
147 | #define TEMP_OFFSET_REG(idx) (REG_TEMP_OFFSET_BASE + (idx)) | |
148 | #define TEMP_TRANGE_REG(idx) (REG_TEMP_TRANGE_BASE + (idx)) | |
149 | ||
918ee91c | 150 | static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; |
1c301fc5 | 151 | |
e5e9f44c | 152 | enum chips { adt7473, adt7475, adt7476, adt7490 }; |
1c301fc5 JC |
153 | |
154 | static const struct i2c_device_id adt7475_id[] = { | |
b180d050 | 155 | { "adt7473", adt7473 }, |
1c301fc5 | 156 | { "adt7475", adt7475 }, |
d8d2ee07 | 157 | { "adt7476", adt7476 }, |
3d849981 | 158 | { "adt7490", adt7490 }, |
1c301fc5 JC |
159 | { } |
160 | }; | |
161 | MODULE_DEVICE_TABLE(i2c, adt7475_id); | |
162 | ||
163 | struct adt7475_data { | |
164 | struct device *hwmon_dev; | |
165 | struct mutex lock; | |
166 | ||
167 | unsigned long measure_updated; | |
168 | unsigned long limits_updated; | |
169 | char valid; | |
170 | ||
f99318b2 | 171 | u8 config4; |
1c301fc5 | 172 | u8 config5; |
cffb9dd0 | 173 | u8 has_voltage; |
ebfaf1fb | 174 | u8 bypass_attn; /* Bypass voltage attenuator */ |
378933c9 JD |
175 | u8 has_pwm2:1; |
176 | u8 has_fan4:1; | |
54fe4671 | 177 | u8 has_vid:1; |
3d849981 | 178 | u32 alarms; |
cffb9dd0 | 179 | u16 voltage[3][6]; |
1c301fc5 JC |
180 | u16 temp[7][3]; |
181 | u16 tach[2][4]; | |
182 | u8 pwm[4][3]; | |
183 | u8 range[3]; | |
184 | u8 pwmctl[3]; | |
185 | u8 pwmchan[3]; | |
54fe4671 JD |
186 | |
187 | u8 vid; | |
188 | u8 vrm; | |
1c301fc5 JC |
189 | }; |
190 | ||
191 | static struct i2c_driver adt7475_driver; | |
192 | static struct adt7475_data *adt7475_update_device(struct device *dev); | |
193 | static void adt7475_read_hystersis(struct i2c_client *client); | |
194 | static void adt7475_read_pwm(struct i2c_client *client, int index); | |
195 | ||
196 | /* Given a temp value, convert it to register value */ | |
197 | ||
198 | static inline u16 temp2reg(struct adt7475_data *data, long val) | |
199 | { | |
200 | u16 ret; | |
201 | ||
202 | if (!(data->config5 & CONFIG5_TWOSCOMP)) { | |
203 | val = SENSORS_LIMIT(val, -64000, 191000); | |
204 | ret = (val + 64500) / 1000; | |
205 | } else { | |
206 | val = SENSORS_LIMIT(val, -128000, 127000); | |
207 | if (val < -500) | |
208 | ret = (256500 + val) / 1000; | |
209 | else | |
210 | ret = (val + 500) / 1000; | |
211 | } | |
212 | ||
213 | return ret << 2; | |
214 | } | |
215 | ||
216 | /* Given a register value, convert it to a real temp value */ | |
217 | ||
218 | static inline int reg2temp(struct adt7475_data *data, u16 reg) | |
219 | { | |
220 | if (data->config5 & CONFIG5_TWOSCOMP) { | |
221 | if (reg >= 512) | |
222 | return (reg - 1024) * 250; | |
223 | else | |
224 | return reg * 250; | |
225 | } else | |
226 | return (reg - 256) * 250; | |
227 | } | |
228 | ||
229 | static inline int tach2rpm(u16 tach) | |
230 | { | |
231 | if (tach == 0 || tach == 0xFFFF) | |
232 | return 0; | |
233 | ||
234 | return (90000 * 60) / tach; | |
235 | } | |
236 | ||
237 | static inline u16 rpm2tach(unsigned long rpm) | |
238 | { | |
239 | if (rpm == 0) | |
240 | return 0; | |
241 | ||
242 | return SENSORS_LIMIT((90000 * 60) / rpm, 1, 0xFFFF); | |
243 | } | |
244 | ||
cffb9dd0 JD |
245 | /* Scaling factors for voltage inputs, taken from the ADT7490 datasheet */ |
246 | static const int adt7473_in_scaling[ADT7475_VOLTAGE_COUNT + 1][2] = { | |
247 | { 45, 94 }, /* +2.5V */ | |
248 | { 175, 525 }, /* Vccp */ | |
249 | { 68, 71 }, /* Vcc */ | |
250 | { 93, 47 }, /* +5V */ | |
251 | { 120, 20 }, /* +12V */ | |
252 | { 45, 45 }, /* Vtt */ | |
253 | }; | |
1c301fc5 | 254 | |
ebfaf1fb | 255 | static inline int reg2volt(int channel, u16 reg, u8 bypass_attn) |
1c301fc5 | 256 | { |
cffb9dd0 | 257 | const int *r = adt7473_in_scaling[channel]; |
1c301fc5 | 258 | |
ebfaf1fb JD |
259 | if (bypass_attn & (1 << channel)) |
260 | return DIV_ROUND_CLOSEST(reg * 2250, 1024); | |
cffb9dd0 | 261 | return DIV_ROUND_CLOSEST(reg * (r[0] + r[1]) * 2250, r[1] * 1024); |
1c301fc5 JC |
262 | } |
263 | ||
ebfaf1fb | 264 | static inline u16 volt2reg(int channel, long volt, u8 bypass_attn) |
1c301fc5 | 265 | { |
cffb9dd0 JD |
266 | const int *r = adt7473_in_scaling[channel]; |
267 | long reg; | |
268 | ||
ebfaf1fb JD |
269 | if (bypass_attn & (1 << channel)) |
270 | reg = (volt * 1024) / 2250; | |
271 | else | |
272 | reg = (volt * r[1] * 1024) / ((r[0] + r[1]) * 2250); | |
cffb9dd0 | 273 | return SENSORS_LIMIT(reg, 0, 1023) & (0xff << 2); |
1c301fc5 JC |
274 | } |
275 | ||
276 | static u16 adt7475_read_word(struct i2c_client *client, int reg) | |
277 | { | |
278 | u16 val; | |
279 | ||
280 | val = i2c_smbus_read_byte_data(client, reg); | |
281 | val |= (i2c_smbus_read_byte_data(client, reg + 1) << 8); | |
282 | ||
283 | return val; | |
284 | } | |
285 | ||
286 | static void adt7475_write_word(struct i2c_client *client, int reg, u16 val) | |
287 | { | |
288 | i2c_smbus_write_byte_data(client, reg + 1, val >> 8); | |
289 | i2c_smbus_write_byte_data(client, reg, val & 0xFF); | |
290 | } | |
291 | ||
9ed5bc24 GR |
292 | /* |
293 | * Find the nearest value in a table - used for pwm frequency and | |
294 | * auto temp range | |
295 | */ | |
1c301fc5 JC |
296 | static int find_nearest(long val, const int *array, int size) |
297 | { | |
298 | int i; | |
299 | ||
300 | if (val < array[0]) | |
301 | return 0; | |
302 | ||
303 | if (val > array[size - 1]) | |
304 | return size - 1; | |
305 | ||
306 | for (i = 0; i < size - 1; i++) { | |
307 | int a, b; | |
308 | ||
309 | if (val > array[i + 1]) | |
310 | continue; | |
311 | ||
312 | a = val - array[i]; | |
313 | b = array[i + 1] - val; | |
314 | ||
315 | return (a <= b) ? i : i + 1; | |
316 | } | |
317 | ||
318 | return 0; | |
319 | } | |
320 | ||
321 | static ssize_t show_voltage(struct device *dev, struct device_attribute *attr, | |
322 | char *buf) | |
323 | { | |
324 | struct adt7475_data *data = adt7475_update_device(dev); | |
325 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
326 | unsigned short val; | |
327 | ||
328 | switch (sattr->nr) { | |
329 | case ALARM: | |
330 | return sprintf(buf, "%d\n", | |
cffb9dd0 | 331 | (data->alarms >> sattr->index) & 1); |
1c301fc5 JC |
332 | default: |
333 | val = data->voltage[sattr->nr][sattr->index]; | |
ebfaf1fb JD |
334 | return sprintf(buf, "%d\n", |
335 | reg2volt(sattr->index, val, data->bypass_attn)); | |
1c301fc5 JC |
336 | } |
337 | } | |
338 | ||
339 | static ssize_t set_voltage(struct device *dev, struct device_attribute *attr, | |
340 | const char *buf, size_t count) | |
341 | { | |
342 | ||
343 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
344 | struct i2c_client *client = to_i2c_client(dev); | |
345 | struct adt7475_data *data = i2c_get_clientdata(client); | |
346 | unsigned char reg; | |
347 | long val; | |
348 | ||
179c4fdb | 349 | if (kstrtol(buf, 10, &val)) |
1c301fc5 JC |
350 | return -EINVAL; |
351 | ||
352 | mutex_lock(&data->lock); | |
353 | ||
ebfaf1fb JD |
354 | data->voltage[sattr->nr][sattr->index] = |
355 | volt2reg(sattr->index, val, data->bypass_attn); | |
1c301fc5 | 356 | |
3d849981 JD |
357 | if (sattr->index < ADT7475_VOLTAGE_COUNT) { |
358 | if (sattr->nr == MIN) | |
359 | reg = VOLTAGE_MIN_REG(sattr->index); | |
360 | else | |
361 | reg = VOLTAGE_MAX_REG(sattr->index); | |
362 | } else { | |
363 | if (sattr->nr == MIN) | |
364 | reg = REG_VTT_MIN; | |
365 | else | |
366 | reg = REG_VTT_MAX; | |
367 | } | |
1c301fc5 JC |
368 | |
369 | i2c_smbus_write_byte_data(client, reg, | |
370 | data->voltage[sattr->nr][sattr->index] >> 2); | |
371 | mutex_unlock(&data->lock); | |
372 | ||
373 | return count; | |
374 | } | |
375 | ||
376 | static ssize_t show_temp(struct device *dev, struct device_attribute *attr, | |
377 | char *buf) | |
378 | { | |
379 | struct adt7475_data *data = adt7475_update_device(dev); | |
380 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
381 | int out; | |
382 | ||
383 | switch (sattr->nr) { | |
384 | case HYSTERSIS: | |
385 | mutex_lock(&data->lock); | |
386 | out = data->temp[sattr->nr][sattr->index]; | |
387 | if (sattr->index != 1) | |
388 | out = (out >> 4) & 0xF; | |
389 | else | |
390 | out = (out & 0xF); | |
9ed5bc24 GR |
391 | /* |
392 | * Show the value as an absolute number tied to | |
393 | * THERM | |
394 | */ | |
1c301fc5 JC |
395 | out = reg2temp(data, data->temp[THERM][sattr->index]) - |
396 | out * 1000; | |
397 | mutex_unlock(&data->lock); | |
398 | break; | |
399 | ||
400 | case OFFSET: | |
9ed5bc24 GR |
401 | /* |
402 | * Offset is always 2's complement, regardless of the | |
403 | * setting in CONFIG5 | |
404 | */ | |
1c301fc5 JC |
405 | mutex_lock(&data->lock); |
406 | out = (s8)data->temp[sattr->nr][sattr->index]; | |
407 | if (data->config5 & CONFIG5_TEMPOFFSET) | |
408 | out *= 1000; | |
409 | else | |
410 | out *= 500; | |
411 | mutex_unlock(&data->lock); | |
412 | break; | |
413 | ||
414 | case ALARM: | |
415 | out = (data->alarms >> (sattr->index + 4)) & 1; | |
416 | break; | |
417 | ||
418 | case FAULT: | |
419 | /* Note - only for remote1 and remote2 */ | |
cf312e07 | 420 | out = !!(data->alarms & (sattr->index ? 0x8000 : 0x4000)); |
1c301fc5 JC |
421 | break; |
422 | ||
423 | default: | |
424 | /* All other temp values are in the configured format */ | |
425 | out = reg2temp(data, data->temp[sattr->nr][sattr->index]); | |
426 | } | |
427 | ||
428 | return sprintf(buf, "%d\n", out); | |
429 | } | |
430 | ||
431 | static ssize_t set_temp(struct device *dev, struct device_attribute *attr, | |
432 | const char *buf, size_t count) | |
433 | { | |
434 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
435 | struct i2c_client *client = to_i2c_client(dev); | |
436 | struct adt7475_data *data = i2c_get_clientdata(client); | |
437 | unsigned char reg = 0; | |
438 | u8 out; | |
439 | int temp; | |
440 | long val; | |
441 | ||
179c4fdb | 442 | if (kstrtol(buf, 10, &val)) |
1c301fc5 JC |
443 | return -EINVAL; |
444 | ||
445 | mutex_lock(&data->lock); | |
446 | ||
447 | /* We need the config register in all cases for temp <-> reg conv. */ | |
448 | data->config5 = adt7475_read(REG_CONFIG5); | |
449 | ||
450 | switch (sattr->nr) { | |
451 | case OFFSET: | |
452 | if (data->config5 & CONFIG5_TEMPOFFSET) { | |
453 | val = SENSORS_LIMIT(val, -63000, 127000); | |
454 | out = data->temp[OFFSET][sattr->index] = val / 1000; | |
455 | } else { | |
456 | val = SENSORS_LIMIT(val, -63000, 64000); | |
457 | out = data->temp[OFFSET][sattr->index] = val / 500; | |
458 | } | |
459 | break; | |
460 | ||
461 | case HYSTERSIS: | |
9ed5bc24 GR |
462 | /* |
463 | * The value will be given as an absolute value, turn it | |
464 | * into an offset based on THERM | |
465 | */ | |
1c301fc5 JC |
466 | |
467 | /* Read fresh THERM and HYSTERSIS values from the chip */ | |
468 | data->temp[THERM][sattr->index] = | |
469 | adt7475_read(TEMP_THERM_REG(sattr->index)) << 2; | |
470 | adt7475_read_hystersis(client); | |
471 | ||
472 | temp = reg2temp(data, data->temp[THERM][sattr->index]); | |
473 | val = SENSORS_LIMIT(val, temp - 15000, temp); | |
474 | val = (temp - val) / 1000; | |
475 | ||
476 | if (sattr->index != 1) { | |
477 | data->temp[HYSTERSIS][sattr->index] &= 0xF0; | |
478 | data->temp[HYSTERSIS][sattr->index] |= (val & 0xF) << 4; | |
479 | } else { | |
480 | data->temp[HYSTERSIS][sattr->index] &= 0x0F; | |
481 | data->temp[HYSTERSIS][sattr->index] |= (val & 0xF); | |
482 | } | |
483 | ||
484 | out = data->temp[HYSTERSIS][sattr->index]; | |
485 | break; | |
486 | ||
487 | default: | |
488 | data->temp[sattr->nr][sattr->index] = temp2reg(data, val); | |
489 | ||
9ed5bc24 GR |
490 | /* |
491 | * We maintain an extra 2 digits of precision for simplicity | |
492 | * - shift those back off before writing the value | |
493 | */ | |
1c301fc5 JC |
494 | out = (u8) (data->temp[sattr->nr][sattr->index] >> 2); |
495 | } | |
496 | ||
497 | switch (sattr->nr) { | |
498 | case MIN: | |
499 | reg = TEMP_MIN_REG(sattr->index); | |
500 | break; | |
501 | case MAX: | |
502 | reg = TEMP_MAX_REG(sattr->index); | |
503 | break; | |
504 | case OFFSET: | |
505 | reg = TEMP_OFFSET_REG(sattr->index); | |
506 | break; | |
507 | case AUTOMIN: | |
508 | reg = TEMP_TMIN_REG(sattr->index); | |
509 | break; | |
510 | case THERM: | |
511 | reg = TEMP_THERM_REG(sattr->index); | |
512 | break; | |
513 | case HYSTERSIS: | |
514 | if (sattr->index != 2) | |
515 | reg = REG_REMOTE1_HYSTERSIS; | |
516 | else | |
517 | reg = REG_REMOTE2_HYSTERSIS; | |
518 | ||
519 | break; | |
520 | } | |
521 | ||
522 | i2c_smbus_write_byte_data(client, reg, out); | |
523 | ||
524 | mutex_unlock(&data->lock); | |
525 | return count; | |
526 | } | |
527 | ||
9ed5bc24 GR |
528 | /* |
529 | * Table of autorange values - the user will write the value in millidegrees, | |
530 | * and we'll convert it | |
531 | */ | |
1c301fc5 JC |
532 | static const int autorange_table[] = { |
533 | 2000, 2500, 3330, 4000, 5000, 6670, 8000, | |
534 | 10000, 13330, 16000, 20000, 26670, 32000, 40000, | |
535 | 53330, 80000 | |
536 | }; | |
537 | ||
538 | static ssize_t show_point2(struct device *dev, struct device_attribute *attr, | |
539 | char *buf) | |
540 | { | |
541 | struct adt7475_data *data = adt7475_update_device(dev); | |
542 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
543 | int out, val; | |
544 | ||
545 | mutex_lock(&data->lock); | |
546 | out = (data->range[sattr->index] >> 4) & 0x0F; | |
547 | val = reg2temp(data, data->temp[AUTOMIN][sattr->index]); | |
548 | mutex_unlock(&data->lock); | |
549 | ||
550 | return sprintf(buf, "%d\n", val + autorange_table[out]); | |
551 | } | |
552 | ||
553 | static ssize_t set_point2(struct device *dev, struct device_attribute *attr, | |
554 | const char *buf, size_t count) | |
555 | { | |
556 | struct i2c_client *client = to_i2c_client(dev); | |
557 | struct adt7475_data *data = i2c_get_clientdata(client); | |
558 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
559 | int temp; | |
560 | long val; | |
561 | ||
179c4fdb | 562 | if (kstrtol(buf, 10, &val)) |
1c301fc5 JC |
563 | return -EINVAL; |
564 | ||
565 | mutex_lock(&data->lock); | |
566 | ||
567 | /* Get a fresh copy of the needed registers */ | |
568 | data->config5 = adt7475_read(REG_CONFIG5); | |
569 | data->temp[AUTOMIN][sattr->index] = | |
570 | adt7475_read(TEMP_TMIN_REG(sattr->index)) << 2; | |
571 | data->range[sattr->index] = | |
572 | adt7475_read(TEMP_TRANGE_REG(sattr->index)); | |
573 | ||
9ed5bc24 GR |
574 | /* |
575 | * The user will write an absolute value, so subtract the start point | |
576 | * to figure the range | |
577 | */ | |
1c301fc5 JC |
578 | temp = reg2temp(data, data->temp[AUTOMIN][sattr->index]); |
579 | val = SENSORS_LIMIT(val, temp + autorange_table[0], | |
580 | temp + autorange_table[ARRAY_SIZE(autorange_table) - 1]); | |
581 | val -= temp; | |
582 | ||
583 | /* Find the nearest table entry to what the user wrote */ | |
584 | val = find_nearest(val, autorange_table, ARRAY_SIZE(autorange_table)); | |
585 | ||
586 | data->range[sattr->index] &= ~0xF0; | |
587 | data->range[sattr->index] |= val << 4; | |
588 | ||
589 | i2c_smbus_write_byte_data(client, TEMP_TRANGE_REG(sattr->index), | |
590 | data->range[sattr->index]); | |
591 | ||
592 | mutex_unlock(&data->lock); | |
593 | return count; | |
594 | } | |
595 | ||
596 | static ssize_t show_tach(struct device *dev, struct device_attribute *attr, | |
597 | char *buf) | |
598 | { | |
599 | struct adt7475_data *data = adt7475_update_device(dev); | |
600 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
601 | int out; | |
602 | ||
603 | if (sattr->nr == ALARM) | |
604 | out = (data->alarms >> (sattr->index + 10)) & 1; | |
605 | else | |
606 | out = tach2rpm(data->tach[sattr->nr][sattr->index]); | |
607 | ||
608 | return sprintf(buf, "%d\n", out); | |
609 | } | |
610 | ||
611 | static ssize_t set_tach(struct device *dev, struct device_attribute *attr, | |
612 | const char *buf, size_t count) | |
613 | { | |
614 | ||
615 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
616 | struct i2c_client *client = to_i2c_client(dev); | |
617 | struct adt7475_data *data = i2c_get_clientdata(client); | |
618 | unsigned long val; | |
619 | ||
179c4fdb | 620 | if (kstrtoul(buf, 10, &val)) |
1c301fc5 JC |
621 | return -EINVAL; |
622 | ||
623 | mutex_lock(&data->lock); | |
624 | ||
625 | data->tach[MIN][sattr->index] = rpm2tach(val); | |
626 | ||
627 | adt7475_write_word(client, TACH_MIN_REG(sattr->index), | |
628 | data->tach[MIN][sattr->index]); | |
629 | ||
630 | mutex_unlock(&data->lock); | |
631 | return count; | |
632 | } | |
633 | ||
634 | static ssize_t show_pwm(struct device *dev, struct device_attribute *attr, | |
635 | char *buf) | |
636 | { | |
637 | struct adt7475_data *data = adt7475_update_device(dev); | |
638 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
639 | ||
640 | return sprintf(buf, "%d\n", data->pwm[sattr->nr][sattr->index]); | |
641 | } | |
642 | ||
643 | static ssize_t show_pwmchan(struct device *dev, struct device_attribute *attr, | |
644 | char *buf) | |
645 | { | |
646 | struct adt7475_data *data = adt7475_update_device(dev); | |
647 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
648 | ||
649 | return sprintf(buf, "%d\n", data->pwmchan[sattr->index]); | |
650 | } | |
651 | ||
652 | static ssize_t show_pwmctrl(struct device *dev, struct device_attribute *attr, | |
653 | char *buf) | |
654 | { | |
655 | struct adt7475_data *data = adt7475_update_device(dev); | |
656 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
657 | ||
658 | return sprintf(buf, "%d\n", data->pwmctl[sattr->index]); | |
659 | } | |
660 | ||
661 | static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, | |
662 | const char *buf, size_t count) | |
663 | { | |
664 | ||
665 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
666 | struct i2c_client *client = to_i2c_client(dev); | |
667 | struct adt7475_data *data = i2c_get_clientdata(client); | |
668 | unsigned char reg = 0; | |
669 | long val; | |
670 | ||
179c4fdb | 671 | if (kstrtol(buf, 10, &val)) |
1c301fc5 JC |
672 | return -EINVAL; |
673 | ||
674 | mutex_lock(&data->lock); | |
675 | ||
676 | switch (sattr->nr) { | |
677 | case INPUT: | |
678 | /* Get a fresh value for CONTROL */ | |
679 | data->pwm[CONTROL][sattr->index] = | |
680 | adt7475_read(PWM_CONFIG_REG(sattr->index)); | |
681 | ||
9ed5bc24 GR |
682 | /* |
683 | * If we are not in manual mode, then we shouldn't allow | |
684 | * the user to set the pwm speed | |
685 | */ | |
1c301fc5 JC |
686 | if (((data->pwm[CONTROL][sattr->index] >> 5) & 7) != 7) { |
687 | mutex_unlock(&data->lock); | |
688 | return count; | |
689 | } | |
690 | ||
691 | reg = PWM_REG(sattr->index); | |
692 | break; | |
693 | ||
694 | case MIN: | |
695 | reg = PWM_MIN_REG(sattr->index); | |
696 | break; | |
697 | ||
698 | case MAX: | |
699 | reg = PWM_MAX_REG(sattr->index); | |
700 | break; | |
701 | } | |
702 | ||
703 | data->pwm[sattr->nr][sattr->index] = SENSORS_LIMIT(val, 0, 0xFF); | |
704 | i2c_smbus_write_byte_data(client, reg, | |
705 | data->pwm[sattr->nr][sattr->index]); | |
706 | ||
707 | mutex_unlock(&data->lock); | |
708 | ||
709 | return count; | |
710 | } | |
711 | ||
712 | /* Called by set_pwmctrl and set_pwmchan */ | |
713 | ||
714 | static int hw_set_pwm(struct i2c_client *client, int index, | |
715 | unsigned int pwmctl, unsigned int pwmchan) | |
716 | { | |
717 | struct adt7475_data *data = i2c_get_clientdata(client); | |
718 | long val = 0; | |
719 | ||
720 | switch (pwmctl) { | |
721 | case 0: | |
722 | val = 0x03; /* Run at full speed */ | |
723 | break; | |
724 | case 1: | |
725 | val = 0x07; /* Manual mode */ | |
726 | break; | |
727 | case 2: | |
728 | switch (pwmchan) { | |
729 | case 1: | |
730 | /* Remote1 controls PWM */ | |
731 | val = 0x00; | |
732 | break; | |
733 | case 2: | |
734 | /* local controls PWM */ | |
735 | val = 0x01; | |
736 | break; | |
737 | case 4: | |
738 | /* remote2 controls PWM */ | |
739 | val = 0x02; | |
740 | break; | |
741 | case 6: | |
742 | /* local/remote2 control PWM */ | |
743 | val = 0x05; | |
744 | break; | |
745 | case 7: | |
746 | /* All three control PWM */ | |
747 | val = 0x06; | |
748 | break; | |
749 | default: | |
750 | return -EINVAL; | |
751 | } | |
752 | break; | |
753 | default: | |
754 | return -EINVAL; | |
755 | } | |
756 | ||
757 | data->pwmctl[index] = pwmctl; | |
758 | data->pwmchan[index] = pwmchan; | |
759 | ||
760 | data->pwm[CONTROL][index] &= ~0xE0; | |
761 | data->pwm[CONTROL][index] |= (val & 7) << 5; | |
762 | ||
763 | i2c_smbus_write_byte_data(client, PWM_CONFIG_REG(index), | |
764 | data->pwm[CONTROL][index]); | |
765 | ||
766 | return 0; | |
767 | } | |
768 | ||
769 | static ssize_t set_pwmchan(struct device *dev, struct device_attribute *attr, | |
770 | const char *buf, size_t count) | |
771 | { | |
772 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
773 | struct i2c_client *client = to_i2c_client(dev); | |
774 | struct adt7475_data *data = i2c_get_clientdata(client); | |
775 | int r; | |
776 | long val; | |
777 | ||
179c4fdb | 778 | if (kstrtol(buf, 10, &val)) |
1c301fc5 JC |
779 | return -EINVAL; |
780 | ||
781 | mutex_lock(&data->lock); | |
782 | /* Read Modify Write PWM values */ | |
783 | adt7475_read_pwm(client, sattr->index); | |
784 | r = hw_set_pwm(client, sattr->index, data->pwmctl[sattr->index], val); | |
785 | if (r) | |
786 | count = r; | |
787 | mutex_unlock(&data->lock); | |
788 | ||
789 | return count; | |
790 | } | |
791 | ||
792 | static ssize_t set_pwmctrl(struct device *dev, struct device_attribute *attr, | |
793 | const char *buf, size_t count) | |
794 | { | |
795 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
796 | struct i2c_client *client = to_i2c_client(dev); | |
797 | struct adt7475_data *data = i2c_get_clientdata(client); | |
798 | int r; | |
799 | long val; | |
800 | ||
179c4fdb | 801 | if (kstrtol(buf, 10, &val)) |
1c301fc5 JC |
802 | return -EINVAL; |
803 | ||
804 | mutex_lock(&data->lock); | |
805 | /* Read Modify Write PWM values */ | |
806 | adt7475_read_pwm(client, sattr->index); | |
807 | r = hw_set_pwm(client, sattr->index, val, data->pwmchan[sattr->index]); | |
808 | if (r) | |
809 | count = r; | |
810 | mutex_unlock(&data->lock); | |
811 | ||
812 | return count; | |
813 | } | |
814 | ||
815 | /* List of frequencies for the PWM */ | |
816 | static const int pwmfreq_table[] = { | |
817 | 11, 14, 22, 29, 35, 44, 58, 88 | |
818 | }; | |
819 | ||
820 | static ssize_t show_pwmfreq(struct device *dev, struct device_attribute *attr, | |
821 | char *buf) | |
822 | { | |
823 | struct adt7475_data *data = adt7475_update_device(dev); | |
824 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
825 | ||
826 | return sprintf(buf, "%d\n", | |
827 | pwmfreq_table[data->range[sattr->index] & 7]); | |
828 | } | |
829 | ||
830 | static ssize_t set_pwmfreq(struct device *dev, struct device_attribute *attr, | |
831 | const char *buf, size_t count) | |
832 | { | |
833 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
834 | struct i2c_client *client = to_i2c_client(dev); | |
835 | struct adt7475_data *data = i2c_get_clientdata(client); | |
836 | int out; | |
837 | long val; | |
838 | ||
179c4fdb | 839 | if (kstrtol(buf, 10, &val)) |
1c301fc5 JC |
840 | return -EINVAL; |
841 | ||
842 | out = find_nearest(val, pwmfreq_table, ARRAY_SIZE(pwmfreq_table)); | |
843 | ||
844 | mutex_lock(&data->lock); | |
845 | ||
846 | data->range[sattr->index] = | |
847 | adt7475_read(TEMP_TRANGE_REG(sattr->index)); | |
848 | data->range[sattr->index] &= ~7; | |
849 | data->range[sattr->index] |= out; | |
850 | ||
851 | i2c_smbus_write_byte_data(client, TEMP_TRANGE_REG(sattr->index), | |
852 | data->range[sattr->index]); | |
853 | ||
854 | mutex_unlock(&data->lock); | |
855 | return count; | |
856 | } | |
857 | ||
f99318b2 JD |
858 | static ssize_t show_pwm_at_crit(struct device *dev, |
859 | struct device_attribute *devattr, char *buf) | |
860 | { | |
861 | struct adt7475_data *data = adt7475_update_device(dev); | |
862 | return sprintf(buf, "%d\n", !!(data->config4 & CONFIG4_MAXDUTY)); | |
863 | } | |
864 | ||
865 | static ssize_t set_pwm_at_crit(struct device *dev, | |
866 | struct device_attribute *devattr, | |
867 | const char *buf, size_t count) | |
868 | { | |
869 | struct i2c_client *client = to_i2c_client(dev); | |
870 | struct adt7475_data *data = i2c_get_clientdata(client); | |
871 | long val; | |
872 | ||
179c4fdb | 873 | if (kstrtol(buf, 10, &val)) |
f99318b2 JD |
874 | return -EINVAL; |
875 | if (val != 0 && val != 1) | |
876 | return -EINVAL; | |
877 | ||
878 | mutex_lock(&data->lock); | |
879 | data->config4 = i2c_smbus_read_byte_data(client, REG_CONFIG4); | |
880 | if (val) | |
881 | data->config4 |= CONFIG4_MAXDUTY; | |
882 | else | |
883 | data->config4 &= ~CONFIG4_MAXDUTY; | |
884 | i2c_smbus_write_byte_data(client, REG_CONFIG4, data->config4); | |
885 | mutex_unlock(&data->lock); | |
886 | ||
887 | return count; | |
888 | } | |
889 | ||
54fe4671 JD |
890 | static ssize_t show_vrm(struct device *dev, struct device_attribute *devattr, |
891 | char *buf) | |
892 | { | |
893 | struct adt7475_data *data = dev_get_drvdata(dev); | |
894 | return sprintf(buf, "%d\n", (int)data->vrm); | |
895 | } | |
896 | ||
897 | static ssize_t set_vrm(struct device *dev, struct device_attribute *devattr, | |
898 | const char *buf, size_t count) | |
899 | { | |
900 | struct adt7475_data *data = dev_get_drvdata(dev); | |
901 | long val; | |
902 | ||
179c4fdb | 903 | if (kstrtol(buf, 10, &val)) |
54fe4671 JD |
904 | return -EINVAL; |
905 | if (val < 0 || val > 255) | |
906 | return -EINVAL; | |
907 | data->vrm = val; | |
908 | ||
909 | return count; | |
910 | } | |
911 | ||
912 | static ssize_t show_vid(struct device *dev, struct device_attribute *devattr, | |
913 | char *buf) | |
914 | { | |
915 | struct adt7475_data *data = adt7475_update_device(dev); | |
916 | return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm)); | |
917 | } | |
918 | ||
3d849981 JD |
919 | static SENSOR_DEVICE_ATTR_2(in0_input, S_IRUGO, show_voltage, NULL, INPUT, 0); |
920 | static SENSOR_DEVICE_ATTR_2(in0_max, S_IRUGO | S_IWUSR, show_voltage, | |
921 | set_voltage, MAX, 0); | |
922 | static SENSOR_DEVICE_ATTR_2(in0_min, S_IRUGO | S_IWUSR, show_voltage, | |
923 | set_voltage, MIN, 0); | |
924 | static SENSOR_DEVICE_ATTR_2(in0_alarm, S_IRUGO, show_voltage, NULL, ALARM, 0); | |
cffb9dd0 | 925 | static SENSOR_DEVICE_ATTR_2(in1_input, S_IRUGO, show_voltage, NULL, INPUT, 1); |
1c301fc5 | 926 | static SENSOR_DEVICE_ATTR_2(in1_max, S_IRUGO | S_IWUSR, show_voltage, |
cffb9dd0 | 927 | set_voltage, MAX, 1); |
1c301fc5 | 928 | static SENSOR_DEVICE_ATTR_2(in1_min, S_IRUGO | S_IWUSR, show_voltage, |
cffb9dd0 JD |
929 | set_voltage, MIN, 1); |
930 | static SENSOR_DEVICE_ATTR_2(in1_alarm, S_IRUGO, show_voltage, NULL, ALARM, 1); | |
931 | static SENSOR_DEVICE_ATTR_2(in2_input, S_IRUGO, show_voltage, NULL, INPUT, 2); | |
1c301fc5 | 932 | static SENSOR_DEVICE_ATTR_2(in2_max, S_IRUGO | S_IWUSR, show_voltage, |
cffb9dd0 | 933 | set_voltage, MAX, 2); |
1c301fc5 | 934 | static SENSOR_DEVICE_ATTR_2(in2_min, S_IRUGO | S_IWUSR, show_voltage, |
cffb9dd0 JD |
935 | set_voltage, MIN, 2); |
936 | static SENSOR_DEVICE_ATTR_2(in2_alarm, S_IRUGO, show_voltage, NULL, ALARM, 2); | |
3d849981 JD |
937 | static SENSOR_DEVICE_ATTR_2(in3_input, S_IRUGO, show_voltage, NULL, INPUT, 3); |
938 | static SENSOR_DEVICE_ATTR_2(in3_max, S_IRUGO | S_IWUSR, show_voltage, | |
939 | set_voltage, MAX, 3); | |
940 | static SENSOR_DEVICE_ATTR_2(in3_min, S_IRUGO | S_IWUSR, show_voltage, | |
941 | set_voltage, MIN, 3); | |
942 | static SENSOR_DEVICE_ATTR_2(in3_alarm, S_IRUGO, show_voltage, NULL, ALARM, 3); | |
943 | static SENSOR_DEVICE_ATTR_2(in4_input, S_IRUGO, show_voltage, NULL, INPUT, 4); | |
944 | static SENSOR_DEVICE_ATTR_2(in4_max, S_IRUGO | S_IWUSR, show_voltage, | |
945 | set_voltage, MAX, 4); | |
946 | static SENSOR_DEVICE_ATTR_2(in4_min, S_IRUGO | S_IWUSR, show_voltage, | |
947 | set_voltage, MIN, 4); | |
948 | static SENSOR_DEVICE_ATTR_2(in4_alarm, S_IRUGO, show_voltage, NULL, ALARM, 8); | |
949 | static SENSOR_DEVICE_ATTR_2(in5_input, S_IRUGO, show_voltage, NULL, INPUT, 5); | |
950 | static SENSOR_DEVICE_ATTR_2(in5_max, S_IRUGO | S_IWUSR, show_voltage, | |
951 | set_voltage, MAX, 5); | |
952 | static SENSOR_DEVICE_ATTR_2(in5_min, S_IRUGO | S_IWUSR, show_voltage, | |
953 | set_voltage, MIN, 5); | |
954 | static SENSOR_DEVICE_ATTR_2(in5_alarm, S_IRUGO, show_voltage, NULL, ALARM, 31); | |
1c301fc5 JC |
955 | static SENSOR_DEVICE_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, INPUT, 0); |
956 | static SENSOR_DEVICE_ATTR_2(temp1_alarm, S_IRUGO, show_temp, NULL, ALARM, 0); | |
957 | static SENSOR_DEVICE_ATTR_2(temp1_fault, S_IRUGO, show_temp, NULL, FAULT, 0); | |
958 | static SENSOR_DEVICE_ATTR_2(temp1_max, S_IRUGO | S_IWUSR, show_temp, set_temp, | |
959 | MAX, 0); | |
960 | static SENSOR_DEVICE_ATTR_2(temp1_min, S_IRUGO | S_IWUSR, show_temp, set_temp, | |
961 | MIN, 0); | |
962 | static SENSOR_DEVICE_ATTR_2(temp1_offset, S_IRUGO | S_IWUSR, show_temp, | |
963 | set_temp, OFFSET, 0); | |
964 | static SENSOR_DEVICE_ATTR_2(temp1_auto_point1_temp, S_IRUGO | S_IWUSR, | |
965 | show_temp, set_temp, AUTOMIN, 0); | |
966 | static SENSOR_DEVICE_ATTR_2(temp1_auto_point2_temp, S_IRUGO | S_IWUSR, | |
967 | show_point2, set_point2, 0, 0); | |
968 | static SENSOR_DEVICE_ATTR_2(temp1_crit, S_IRUGO | S_IWUSR, show_temp, set_temp, | |
969 | THERM, 0); | |
970 | static SENSOR_DEVICE_ATTR_2(temp1_crit_hyst, S_IRUGO | S_IWUSR, show_temp, | |
971 | set_temp, HYSTERSIS, 0); | |
972 | static SENSOR_DEVICE_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, INPUT, 1); | |
973 | static SENSOR_DEVICE_ATTR_2(temp2_alarm, S_IRUGO, show_temp, NULL, ALARM, 1); | |
974 | static SENSOR_DEVICE_ATTR_2(temp2_max, S_IRUGO | S_IWUSR, show_temp, set_temp, | |
975 | MAX, 1); | |
976 | static SENSOR_DEVICE_ATTR_2(temp2_min, S_IRUGO | S_IWUSR, show_temp, set_temp, | |
977 | MIN, 1); | |
978 | static SENSOR_DEVICE_ATTR_2(temp2_offset, S_IRUGO | S_IWUSR, show_temp, | |
979 | set_temp, OFFSET, 1); | |
980 | static SENSOR_DEVICE_ATTR_2(temp2_auto_point1_temp, S_IRUGO | S_IWUSR, | |
981 | show_temp, set_temp, AUTOMIN, 1); | |
982 | static SENSOR_DEVICE_ATTR_2(temp2_auto_point2_temp, S_IRUGO | S_IWUSR, | |
983 | show_point2, set_point2, 0, 1); | |
984 | static SENSOR_DEVICE_ATTR_2(temp2_crit, S_IRUGO | S_IWUSR, show_temp, set_temp, | |
985 | THERM, 1); | |
986 | static SENSOR_DEVICE_ATTR_2(temp2_crit_hyst, S_IRUGO | S_IWUSR, show_temp, | |
987 | set_temp, HYSTERSIS, 1); | |
988 | static SENSOR_DEVICE_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, INPUT, 2); | |
989 | static SENSOR_DEVICE_ATTR_2(temp3_alarm, S_IRUGO, show_temp, NULL, ALARM, 2); | |
990 | static SENSOR_DEVICE_ATTR_2(temp3_fault, S_IRUGO, show_temp, NULL, FAULT, 2); | |
991 | static SENSOR_DEVICE_ATTR_2(temp3_max, S_IRUGO | S_IWUSR, show_temp, set_temp, | |
992 | MAX, 2); | |
993 | static SENSOR_DEVICE_ATTR_2(temp3_min, S_IRUGO | S_IWUSR, show_temp, set_temp, | |
994 | MIN, 2); | |
995 | static SENSOR_DEVICE_ATTR_2(temp3_offset, S_IRUGO | S_IWUSR, show_temp, | |
996 | set_temp, OFFSET, 2); | |
997 | static SENSOR_DEVICE_ATTR_2(temp3_auto_point1_temp, S_IRUGO | S_IWUSR, | |
998 | show_temp, set_temp, AUTOMIN, 2); | |
999 | static SENSOR_DEVICE_ATTR_2(temp3_auto_point2_temp, S_IRUGO | S_IWUSR, | |
1000 | show_point2, set_point2, 0, 2); | |
1001 | static SENSOR_DEVICE_ATTR_2(temp3_crit, S_IRUGO | S_IWUSR, show_temp, set_temp, | |
1002 | THERM, 2); | |
1003 | static SENSOR_DEVICE_ATTR_2(temp3_crit_hyst, S_IRUGO | S_IWUSR, show_temp, | |
1004 | set_temp, HYSTERSIS, 2); | |
1005 | static SENSOR_DEVICE_ATTR_2(fan1_input, S_IRUGO, show_tach, NULL, INPUT, 0); | |
1006 | static SENSOR_DEVICE_ATTR_2(fan1_min, S_IRUGO | S_IWUSR, show_tach, set_tach, | |
1007 | MIN, 0); | |
1008 | static SENSOR_DEVICE_ATTR_2(fan1_alarm, S_IRUGO, show_tach, NULL, ALARM, 0); | |
1009 | static SENSOR_DEVICE_ATTR_2(fan2_input, S_IRUGO, show_tach, NULL, INPUT, 1); | |
1010 | static SENSOR_DEVICE_ATTR_2(fan2_min, S_IRUGO | S_IWUSR, show_tach, set_tach, | |
1011 | MIN, 1); | |
1012 | static SENSOR_DEVICE_ATTR_2(fan2_alarm, S_IRUGO, show_tach, NULL, ALARM, 1); | |
1013 | static SENSOR_DEVICE_ATTR_2(fan3_input, S_IRUGO, show_tach, NULL, INPUT, 2); | |
1014 | static SENSOR_DEVICE_ATTR_2(fan3_min, S_IRUGO | S_IWUSR, show_tach, set_tach, | |
1015 | MIN, 2); | |
1016 | static SENSOR_DEVICE_ATTR_2(fan3_alarm, S_IRUGO, show_tach, NULL, ALARM, 2); | |
1017 | static SENSOR_DEVICE_ATTR_2(fan4_input, S_IRUGO, show_tach, NULL, INPUT, 3); | |
1018 | static SENSOR_DEVICE_ATTR_2(fan4_min, S_IRUGO | S_IWUSR, show_tach, set_tach, | |
1019 | MIN, 3); | |
1020 | static SENSOR_DEVICE_ATTR_2(fan4_alarm, S_IRUGO, show_tach, NULL, ALARM, 3); | |
1021 | static SENSOR_DEVICE_ATTR_2(pwm1, S_IRUGO | S_IWUSR, show_pwm, set_pwm, INPUT, | |
1022 | 0); | |
1023 | static SENSOR_DEVICE_ATTR_2(pwm1_freq, S_IRUGO | S_IWUSR, show_pwmfreq, | |
1024 | set_pwmfreq, INPUT, 0); | |
1025 | static SENSOR_DEVICE_ATTR_2(pwm1_enable, S_IRUGO | S_IWUSR, show_pwmctrl, | |
1026 | set_pwmctrl, INPUT, 0); | |
84d2a314 | 1027 | static SENSOR_DEVICE_ATTR_2(pwm1_auto_channels_temp, S_IRUGO | S_IWUSR, |
1c301fc5 JC |
1028 | show_pwmchan, set_pwmchan, INPUT, 0); |
1029 | static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO | S_IWUSR, show_pwm, | |
1030 | set_pwm, MIN, 0); | |
1031 | static SENSOR_DEVICE_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO | S_IWUSR, show_pwm, | |
1032 | set_pwm, MAX, 0); | |
1033 | static SENSOR_DEVICE_ATTR_2(pwm2, S_IRUGO | S_IWUSR, show_pwm, set_pwm, INPUT, | |
1034 | 1); | |
1035 | static SENSOR_DEVICE_ATTR_2(pwm2_freq, S_IRUGO | S_IWUSR, show_pwmfreq, | |
1036 | set_pwmfreq, INPUT, 1); | |
1037 | static SENSOR_DEVICE_ATTR_2(pwm2_enable, S_IRUGO | S_IWUSR, show_pwmctrl, | |
1038 | set_pwmctrl, INPUT, 1); | |
84d2a314 | 1039 | static SENSOR_DEVICE_ATTR_2(pwm2_auto_channels_temp, S_IRUGO | S_IWUSR, |
1c301fc5 JC |
1040 | show_pwmchan, set_pwmchan, INPUT, 1); |
1041 | static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO | S_IWUSR, show_pwm, | |
1042 | set_pwm, MIN, 1); | |
1043 | static SENSOR_DEVICE_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO | S_IWUSR, show_pwm, | |
1044 | set_pwm, MAX, 1); | |
1045 | static SENSOR_DEVICE_ATTR_2(pwm3, S_IRUGO | S_IWUSR, show_pwm, set_pwm, INPUT, | |
1046 | 2); | |
1047 | static SENSOR_DEVICE_ATTR_2(pwm3_freq, S_IRUGO | S_IWUSR, show_pwmfreq, | |
1048 | set_pwmfreq, INPUT, 2); | |
1049 | static SENSOR_DEVICE_ATTR_2(pwm3_enable, S_IRUGO | S_IWUSR, show_pwmctrl, | |
1050 | set_pwmctrl, INPUT, 2); | |
84d2a314 | 1051 | static SENSOR_DEVICE_ATTR_2(pwm3_auto_channels_temp, S_IRUGO | S_IWUSR, |
1c301fc5 JC |
1052 | show_pwmchan, set_pwmchan, INPUT, 2); |
1053 | static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO | S_IWUSR, show_pwm, | |
1054 | set_pwm, MIN, 2); | |
1055 | static SENSOR_DEVICE_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO | S_IWUSR, show_pwm, | |
1056 | set_pwm, MAX, 2); | |
1057 | ||
f99318b2 JD |
1058 | /* Non-standard name, might need revisiting */ |
1059 | static DEVICE_ATTR(pwm_use_point2_pwm_at_crit, S_IWUSR | S_IRUGO, | |
1060 | show_pwm_at_crit, set_pwm_at_crit); | |
1061 | ||
54fe4671 JD |
1062 | static DEVICE_ATTR(vrm, S_IWUSR | S_IRUGO, show_vrm, set_vrm); |
1063 | static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL); | |
1064 | ||
1c301fc5 JC |
1065 | static struct attribute *adt7475_attrs[] = { |
1066 | &sensor_dev_attr_in1_input.dev_attr.attr, | |
1067 | &sensor_dev_attr_in1_max.dev_attr.attr, | |
1068 | &sensor_dev_attr_in1_min.dev_attr.attr, | |
1069 | &sensor_dev_attr_in1_alarm.dev_attr.attr, | |
1070 | &sensor_dev_attr_in2_input.dev_attr.attr, | |
1071 | &sensor_dev_attr_in2_max.dev_attr.attr, | |
1072 | &sensor_dev_attr_in2_min.dev_attr.attr, | |
1073 | &sensor_dev_attr_in2_alarm.dev_attr.attr, | |
1074 | &sensor_dev_attr_temp1_input.dev_attr.attr, | |
1075 | &sensor_dev_attr_temp1_alarm.dev_attr.attr, | |
1076 | &sensor_dev_attr_temp1_fault.dev_attr.attr, | |
1077 | &sensor_dev_attr_temp1_max.dev_attr.attr, | |
1078 | &sensor_dev_attr_temp1_min.dev_attr.attr, | |
1079 | &sensor_dev_attr_temp1_offset.dev_attr.attr, | |
1080 | &sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr, | |
1081 | &sensor_dev_attr_temp1_auto_point2_temp.dev_attr.attr, | |
1082 | &sensor_dev_attr_temp1_crit.dev_attr.attr, | |
1083 | &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr, | |
1084 | &sensor_dev_attr_temp2_input.dev_attr.attr, | |
1085 | &sensor_dev_attr_temp2_alarm.dev_attr.attr, | |
1086 | &sensor_dev_attr_temp2_max.dev_attr.attr, | |
1087 | &sensor_dev_attr_temp2_min.dev_attr.attr, | |
1088 | &sensor_dev_attr_temp2_offset.dev_attr.attr, | |
1089 | &sensor_dev_attr_temp2_auto_point1_temp.dev_attr.attr, | |
1090 | &sensor_dev_attr_temp2_auto_point2_temp.dev_attr.attr, | |
1091 | &sensor_dev_attr_temp2_crit.dev_attr.attr, | |
1092 | &sensor_dev_attr_temp2_crit_hyst.dev_attr.attr, | |
1093 | &sensor_dev_attr_temp3_input.dev_attr.attr, | |
1094 | &sensor_dev_attr_temp3_fault.dev_attr.attr, | |
1095 | &sensor_dev_attr_temp3_alarm.dev_attr.attr, | |
1096 | &sensor_dev_attr_temp3_max.dev_attr.attr, | |
1097 | &sensor_dev_attr_temp3_min.dev_attr.attr, | |
1098 | &sensor_dev_attr_temp3_offset.dev_attr.attr, | |
1099 | &sensor_dev_attr_temp3_auto_point1_temp.dev_attr.attr, | |
1100 | &sensor_dev_attr_temp3_auto_point2_temp.dev_attr.attr, | |
1101 | &sensor_dev_attr_temp3_crit.dev_attr.attr, | |
1102 | &sensor_dev_attr_temp3_crit_hyst.dev_attr.attr, | |
1103 | &sensor_dev_attr_fan1_input.dev_attr.attr, | |
1104 | &sensor_dev_attr_fan1_min.dev_attr.attr, | |
1105 | &sensor_dev_attr_fan1_alarm.dev_attr.attr, | |
1106 | &sensor_dev_attr_fan2_input.dev_attr.attr, | |
1107 | &sensor_dev_attr_fan2_min.dev_attr.attr, | |
1108 | &sensor_dev_attr_fan2_alarm.dev_attr.attr, | |
1109 | &sensor_dev_attr_fan3_input.dev_attr.attr, | |
1110 | &sensor_dev_attr_fan3_min.dev_attr.attr, | |
1111 | &sensor_dev_attr_fan3_alarm.dev_attr.attr, | |
1c301fc5 JC |
1112 | &sensor_dev_attr_pwm1.dev_attr.attr, |
1113 | &sensor_dev_attr_pwm1_freq.dev_attr.attr, | |
1114 | &sensor_dev_attr_pwm1_enable.dev_attr.attr, | |
84d2a314 | 1115 | &sensor_dev_attr_pwm1_auto_channels_temp.dev_attr.attr, |
1c301fc5 JC |
1116 | &sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr, |
1117 | &sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr, | |
1c301fc5 JC |
1118 | &sensor_dev_attr_pwm3.dev_attr.attr, |
1119 | &sensor_dev_attr_pwm3_freq.dev_attr.attr, | |
1120 | &sensor_dev_attr_pwm3_enable.dev_attr.attr, | |
84d2a314 | 1121 | &sensor_dev_attr_pwm3_auto_channels_temp.dev_attr.attr, |
1c301fc5 JC |
1122 | &sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr, |
1123 | &sensor_dev_attr_pwm3_auto_point2_pwm.dev_attr.attr, | |
f99318b2 | 1124 | &dev_attr_pwm_use_point2_pwm_at_crit.attr, |
1c301fc5 JC |
1125 | NULL, |
1126 | }; | |
1127 | ||
378933c9 JD |
1128 | static struct attribute *fan4_attrs[] = { |
1129 | &sensor_dev_attr_fan4_input.dev_attr.attr, | |
1130 | &sensor_dev_attr_fan4_min.dev_attr.attr, | |
1131 | &sensor_dev_attr_fan4_alarm.dev_attr.attr, | |
1132 | NULL | |
1133 | }; | |
1134 | ||
1135 | static struct attribute *pwm2_attrs[] = { | |
1136 | &sensor_dev_attr_pwm2.dev_attr.attr, | |
1137 | &sensor_dev_attr_pwm2_freq.dev_attr.attr, | |
1138 | &sensor_dev_attr_pwm2_enable.dev_attr.attr, | |
1139 | &sensor_dev_attr_pwm2_auto_channels_temp.dev_attr.attr, | |
1140 | &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr, | |
1141 | &sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr, | |
1142 | NULL | |
1143 | }; | |
1144 | ||
378933c9 | 1145 | static struct attribute *in0_attrs[] = { |
3d849981 JD |
1146 | &sensor_dev_attr_in0_input.dev_attr.attr, |
1147 | &sensor_dev_attr_in0_max.dev_attr.attr, | |
1148 | &sensor_dev_attr_in0_min.dev_attr.attr, | |
1149 | &sensor_dev_attr_in0_alarm.dev_attr.attr, | |
378933c9 JD |
1150 | NULL |
1151 | }; | |
1152 | ||
d8d2ee07 | 1153 | static struct attribute *in3_attrs[] = { |
3d849981 JD |
1154 | &sensor_dev_attr_in3_input.dev_attr.attr, |
1155 | &sensor_dev_attr_in3_max.dev_attr.attr, | |
1156 | &sensor_dev_attr_in3_min.dev_attr.attr, | |
1157 | &sensor_dev_attr_in3_alarm.dev_attr.attr, | |
d8d2ee07 JD |
1158 | NULL |
1159 | }; | |
1160 | ||
1161 | static struct attribute *in4_attrs[] = { | |
3d849981 JD |
1162 | &sensor_dev_attr_in4_input.dev_attr.attr, |
1163 | &sensor_dev_attr_in4_max.dev_attr.attr, | |
1164 | &sensor_dev_attr_in4_min.dev_attr.attr, | |
1165 | &sensor_dev_attr_in4_alarm.dev_attr.attr, | |
d8d2ee07 JD |
1166 | NULL |
1167 | }; | |
1168 | ||
1169 | static struct attribute *in5_attrs[] = { | |
3d849981 JD |
1170 | &sensor_dev_attr_in5_input.dev_attr.attr, |
1171 | &sensor_dev_attr_in5_max.dev_attr.attr, | |
1172 | &sensor_dev_attr_in5_min.dev_attr.attr, | |
1173 | &sensor_dev_attr_in5_alarm.dev_attr.attr, | |
1174 | NULL | |
1175 | }; | |
1176 | ||
54fe4671 JD |
1177 | static struct attribute *vid_attrs[] = { |
1178 | &dev_attr_cpu0_vid.attr, | |
1179 | &dev_attr_vrm.attr, | |
1180 | NULL | |
1181 | }; | |
1182 | ||
54ecb9e3 | 1183 | static struct attribute_group adt7475_attr_group = { .attrs = adt7475_attrs }; |
378933c9 JD |
1184 | static struct attribute_group fan4_attr_group = { .attrs = fan4_attrs }; |
1185 | static struct attribute_group pwm2_attr_group = { .attrs = pwm2_attrs }; | |
1186 | static struct attribute_group in0_attr_group = { .attrs = in0_attrs }; | |
d8d2ee07 JD |
1187 | static struct attribute_group in3_attr_group = { .attrs = in3_attrs }; |
1188 | static struct attribute_group in4_attr_group = { .attrs = in4_attrs }; | |
1189 | static struct attribute_group in5_attr_group = { .attrs = in5_attrs }; | |
54fe4671 | 1190 | static struct attribute_group vid_attr_group = { .attrs = vid_attrs }; |
1c301fc5 | 1191 | |
310ec792 | 1192 | static int adt7475_detect(struct i2c_client *client, |
1c301fc5 JC |
1193 | struct i2c_board_info *info) |
1194 | { | |
1195 | struct i2c_adapter *adapter = client->adapter; | |
d656b6fd | 1196 | int vendid, devid, devid2; |
b180d050 | 1197 | const char *name; |
1c301fc5 JC |
1198 | |
1199 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) | |
1200 | return -ENODEV; | |
1201 | ||
b180d050 | 1202 | vendid = adt7475_read(REG_VENDID); |
d656b6fd JD |
1203 | devid2 = adt7475_read(REG_DEVID2); |
1204 | if (vendid != 0x41 || /* Analog Devices */ | |
1205 | (devid2 & 0xf8) != 0x68) | |
1206 | return -ENODEV; | |
b180d050 | 1207 | |
d656b6fd JD |
1208 | devid = adt7475_read(REG_DEVID); |
1209 | if (devid == 0x73) | |
b180d050 | 1210 | name = "adt7473"; |
d656b6fd | 1211 | else if (devid == 0x75 && client->addr == 0x2e) |
b180d050 | 1212 | name = "adt7475"; |
d8d2ee07 JD |
1213 | else if (devid == 0x76) |
1214 | name = "adt7476"; | |
3d849981 JD |
1215 | else if ((devid2 & 0xfc) == 0x6c) |
1216 | name = "adt7490"; | |
b180d050 JD |
1217 | else { |
1218 | dev_dbg(&adapter->dev, | |
d8d2ee07 | 1219 | "Couldn't detect an ADT7473/75/76/90 part at " |
b180d050 | 1220 | "0x%02x\n", (unsigned int)client->addr); |
52df6440 | 1221 | return -ENODEV; |
1c301fc5 JC |
1222 | } |
1223 | ||
b180d050 | 1224 | strlcpy(info->type, name, I2C_NAME_SIZE); |
1c301fc5 JC |
1225 | |
1226 | return 0; | |
1227 | } | |
1228 | ||
0f14480b JD |
1229 | static void adt7475_remove_files(struct i2c_client *client, |
1230 | struct adt7475_data *data) | |
1231 | { | |
1232 | sysfs_remove_group(&client->dev.kobj, &adt7475_attr_group); | |
378933c9 JD |
1233 | if (data->has_fan4) |
1234 | sysfs_remove_group(&client->dev.kobj, &fan4_attr_group); | |
1235 | if (data->has_pwm2) | |
1236 | sysfs_remove_group(&client->dev.kobj, &pwm2_attr_group); | |
1237 | if (data->has_voltage & (1 << 0)) | |
1238 | sysfs_remove_group(&client->dev.kobj, &in0_attr_group); | |
d8d2ee07 JD |
1239 | if (data->has_voltage & (1 << 3)) |
1240 | sysfs_remove_group(&client->dev.kobj, &in3_attr_group); | |
1241 | if (data->has_voltage & (1 << 4)) | |
1242 | sysfs_remove_group(&client->dev.kobj, &in4_attr_group); | |
1243 | if (data->has_voltage & (1 << 5)) | |
1244 | sysfs_remove_group(&client->dev.kobj, &in5_attr_group); | |
54fe4671 JD |
1245 | if (data->has_vid) |
1246 | sysfs_remove_group(&client->dev.kobj, &vid_attr_group); | |
0f14480b JD |
1247 | } |
1248 | ||
1c301fc5 JC |
1249 | static int adt7475_probe(struct i2c_client *client, |
1250 | const struct i2c_device_id *id) | |
1251 | { | |
99b8c83a | 1252 | static const char * const names[] = { |
d07ca4ad JD |
1253 | [adt7473] = "ADT7473", |
1254 | [adt7475] = "ADT7475", | |
d8d2ee07 | 1255 | [adt7476] = "ADT7476", |
d07ca4ad JD |
1256 | [adt7490] = "ADT7490", |
1257 | }; | |
1258 | ||
1c301fc5 | 1259 | struct adt7475_data *data; |
378933c9 | 1260 | int i, ret = 0, revision; |
ebfaf1fb | 1261 | u8 config2, config3; |
1c301fc5 JC |
1262 | |
1263 | data = kzalloc(sizeof(*data), GFP_KERNEL); | |
1264 | if (data == NULL) | |
1265 | return -ENOMEM; | |
1266 | ||
1267 | mutex_init(&data->lock); | |
1268 | i2c_set_clientdata(client, data); | |
1269 | ||
cffb9dd0 JD |
1270 | /* Initialize device-specific values */ |
1271 | switch (id->driver_data) { | |
d8d2ee07 JD |
1272 | case adt7476: |
1273 | data->has_voltage = 0x0e; /* in1 to in3 */ | |
1274 | revision = adt7475_read(REG_DEVID2) & 0x07; | |
1275 | break; | |
3d849981 | 1276 | case adt7490: |
378933c9 JD |
1277 | data->has_voltage = 0x3e; /* in1 to in5 */ |
1278 | revision = adt7475_read(REG_DEVID2) & 0x03; | |
d07ca4ad JD |
1279 | if (revision == 0x03) |
1280 | revision += adt7475_read(REG_DEVREV2); | |
3d849981 | 1281 | break; |
cffb9dd0 JD |
1282 | default: |
1283 | data->has_voltage = 0x06; /* in1, in2 */ | |
378933c9 JD |
1284 | revision = adt7475_read(REG_DEVID2) & 0x07; |
1285 | } | |
1286 | ||
1287 | config3 = adt7475_read(REG_CONFIG3); | |
1288 | /* Pin PWM2 may alternatively be used for ALERT output */ | |
1289 | if (!(config3 & CONFIG3_SMBALERT)) | |
1290 | data->has_pwm2 = 1; | |
1291 | /* Meaning of this bit is inverted for the ADT7473-1 */ | |
1292 | if (id->driver_data == adt7473 && revision >= 1) | |
1293 | data->has_pwm2 = !data->has_pwm2; | |
1294 | ||
1295 | data->config4 = adt7475_read(REG_CONFIG4); | |
1296 | /* Pin TACH4 may alternatively be used for THERM */ | |
1297 | if ((data->config4 & CONFIG4_PINFUNC) == 0x0) | |
1298 | data->has_fan4 = 1; | |
1299 | ||
9ed5bc24 GR |
1300 | /* |
1301 | * THERM configuration is more complex on the ADT7476 and ADT7490, | |
1302 | * because 2 different pins (TACH4 and +2.5 Vin) can be used for | |
1303 | * this function | |
1304 | */ | |
378933c9 JD |
1305 | if (id->driver_data == adt7490) { |
1306 | if ((data->config4 & CONFIG4_PINFUNC) == 0x1 && | |
1307 | !(config3 & CONFIG3_THERM)) | |
1308 | data->has_fan4 = 1; | |
d8d2ee07 JD |
1309 | } |
1310 | if (id->driver_data == adt7476 || id->driver_data == adt7490) { | |
378933c9 JD |
1311 | if (!(config3 & CONFIG3_THERM) || |
1312 | (data->config4 & CONFIG4_PINFUNC) == 0x1) | |
1313 | data->has_voltage |= (1 << 0); /* in0 */ | |
cffb9dd0 JD |
1314 | } |
1315 | ||
9ed5bc24 GR |
1316 | /* |
1317 | * On the ADT7476, the +12V input pin may instead be used as VID5, | |
1318 | * and VID pins may alternatively be used as GPIO | |
1319 | */ | |
d8d2ee07 JD |
1320 | if (id->driver_data == adt7476) { |
1321 | u8 vid = adt7475_read(REG_VID); | |
1322 | if (!(vid & VID_VIDSEL)) | |
1323 | data->has_voltage |= (1 << 4); /* in4 */ | |
54fe4671 JD |
1324 | |
1325 | data->has_vid = !(adt7475_read(REG_CONFIG5) & CONFIG5_VIDGPIO); | |
d8d2ee07 JD |
1326 | } |
1327 | ||
ebfaf1fb JD |
1328 | /* Voltage attenuators can be bypassed, globally or individually */ |
1329 | config2 = adt7475_read(REG_CONFIG2); | |
1330 | if (config2 & CONFIG2_ATTN) { | |
1331 | data->bypass_attn = (0x3 << 3) | 0x3; | |
1332 | } else { | |
1333 | data->bypass_attn = ((data->config4 & CONFIG4_ATTN_IN10) >> 4) | | |
1334 | ((data->config4 & CONFIG4_ATTN_IN43) >> 3); | |
1335 | } | |
1336 | data->bypass_attn &= data->has_voltage; | |
1337 | ||
9ed5bc24 GR |
1338 | /* |
1339 | * Call adt7475_read_pwm for all pwm's as this will reprogram any | |
1340 | * pwm's which are disabled to manual mode with 0% duty cycle | |
1341 | */ | |
1c301fc5 JC |
1342 | for (i = 0; i < ADT7475_PWM_COUNT; i++) |
1343 | adt7475_read_pwm(client, i); | |
1344 | ||
1345 | ret = sysfs_create_group(&client->dev.kobj, &adt7475_attr_group); | |
1346 | if (ret) | |
1347 | goto efree; | |
1348 | ||
378933c9 JD |
1349 | /* Features that can be disabled individually */ |
1350 | if (data->has_fan4) { | |
1351 | ret = sysfs_create_group(&client->dev.kobj, &fan4_attr_group); | |
1352 | if (ret) | |
1353 | goto eremove; | |
1354 | } | |
1355 | if (data->has_pwm2) { | |
1356 | ret = sysfs_create_group(&client->dev.kobj, &pwm2_attr_group); | |
1357 | if (ret) | |
1358 | goto eremove; | |
1359 | } | |
1360 | if (data->has_voltage & (1 << 0)) { | |
1361 | ret = sysfs_create_group(&client->dev.kobj, &in0_attr_group); | |
1362 | if (ret) | |
1363 | goto eremove; | |
1364 | } | |
d8d2ee07 JD |
1365 | if (data->has_voltage & (1 << 3)) { |
1366 | ret = sysfs_create_group(&client->dev.kobj, &in3_attr_group); | |
1367 | if (ret) | |
1368 | goto eremove; | |
1369 | } | |
1370 | if (data->has_voltage & (1 << 4)) { | |
1371 | ret = sysfs_create_group(&client->dev.kobj, &in4_attr_group); | |
1372 | if (ret) | |
1373 | goto eremove; | |
1374 | } | |
1375 | if (data->has_voltage & (1 << 5)) { | |
1376 | ret = sysfs_create_group(&client->dev.kobj, &in5_attr_group); | |
1377 | if (ret) | |
1378 | goto eremove; | |
1379 | } | |
54fe4671 JD |
1380 | if (data->has_vid) { |
1381 | data->vrm = vid_which_vrm(); | |
1382 | ret = sysfs_create_group(&client->dev.kobj, &vid_attr_group); | |
1383 | if (ret) | |
1384 | goto eremove; | |
1385 | } | |
378933c9 | 1386 | |
1c301fc5 JC |
1387 | data->hwmon_dev = hwmon_device_register(&client->dev); |
1388 | if (IS_ERR(data->hwmon_dev)) { | |
1389 | ret = PTR_ERR(data->hwmon_dev); | |
1390 | goto eremove; | |
1391 | } | |
1392 | ||
d07ca4ad JD |
1393 | dev_info(&client->dev, "%s device, revision %d\n", |
1394 | names[id->driver_data], revision); | |
d8d2ee07 | 1395 | if ((data->has_voltage & 0x11) || data->has_fan4 || data->has_pwm2) |
54fe4671 | 1396 | dev_info(&client->dev, "Optional features:%s%s%s%s%s\n", |
d07ca4ad | 1397 | (data->has_voltage & (1 << 0)) ? " in0" : "", |
d8d2ee07 | 1398 | (data->has_voltage & (1 << 4)) ? " in4" : "", |
d07ca4ad | 1399 | data->has_fan4 ? " fan4" : "", |
54fe4671 JD |
1400 | data->has_pwm2 ? " pwm2" : "", |
1401 | data->has_vid ? " vid" : ""); | |
ebfaf1fb JD |
1402 | if (data->bypass_attn) |
1403 | dev_info(&client->dev, "Bypassing attenuators on:%s%s%s%s\n", | |
1404 | (data->bypass_attn & (1 << 0)) ? " in0" : "", | |
1405 | (data->bypass_attn & (1 << 1)) ? " in1" : "", | |
1406 | (data->bypass_attn & (1 << 3)) ? " in3" : "", | |
1407 | (data->bypass_attn & (1 << 4)) ? " in4" : ""); | |
d07ca4ad | 1408 | |
1c301fc5 JC |
1409 | return 0; |
1410 | ||
1411 | eremove: | |
0f14480b | 1412 | adt7475_remove_files(client, data); |
1c301fc5 JC |
1413 | efree: |
1414 | kfree(data); | |
1415 | return ret; | |
1416 | } | |
1417 | ||
1418 | static int adt7475_remove(struct i2c_client *client) | |
1419 | { | |
1420 | struct adt7475_data *data = i2c_get_clientdata(client); | |
1421 | ||
1422 | hwmon_device_unregister(data->hwmon_dev); | |
0f14480b | 1423 | adt7475_remove_files(client, data); |
1c301fc5 JC |
1424 | kfree(data); |
1425 | ||
1426 | return 0; | |
1427 | } | |
1428 | ||
1429 | static struct i2c_driver adt7475_driver = { | |
1430 | .class = I2C_CLASS_HWMON, | |
1431 | .driver = { | |
1432 | .name = "adt7475", | |
1433 | }, | |
1434 | .probe = adt7475_probe, | |
1435 | .remove = adt7475_remove, | |
1436 | .id_table = adt7475_id, | |
1437 | .detect = adt7475_detect, | |
c3813d6a | 1438 | .address_list = normal_i2c, |
1c301fc5 JC |
1439 | }; |
1440 | ||
1441 | static void adt7475_read_hystersis(struct i2c_client *client) | |
1442 | { | |
1443 | struct adt7475_data *data = i2c_get_clientdata(client); | |
1444 | ||
1445 | data->temp[HYSTERSIS][0] = (u16) adt7475_read(REG_REMOTE1_HYSTERSIS); | |
1446 | data->temp[HYSTERSIS][1] = data->temp[HYSTERSIS][0]; | |
1447 | data->temp[HYSTERSIS][2] = (u16) adt7475_read(REG_REMOTE2_HYSTERSIS); | |
1448 | } | |
1449 | ||
1450 | static void adt7475_read_pwm(struct i2c_client *client, int index) | |
1451 | { | |
1452 | struct adt7475_data *data = i2c_get_clientdata(client); | |
1453 | unsigned int v; | |
1454 | ||
1455 | data->pwm[CONTROL][index] = adt7475_read(PWM_CONFIG_REG(index)); | |
1456 | ||
9ed5bc24 GR |
1457 | /* |
1458 | * Figure out the internal value for pwmctrl and pwmchan | |
1459 | * based on the current settings | |
1460 | */ | |
1c301fc5 JC |
1461 | v = (data->pwm[CONTROL][index] >> 5) & 7; |
1462 | ||
1463 | if (v == 3) | |
1464 | data->pwmctl[index] = 0; | |
1465 | else if (v == 7) | |
1466 | data->pwmctl[index] = 1; | |
1467 | else if (v == 4) { | |
9ed5bc24 GR |
1468 | /* |
1469 | * The fan is disabled - we don't want to | |
1470 | * support that, so change to manual mode and | |
1471 | * set the duty cycle to 0 instead | |
1472 | */ | |
1c301fc5 JC |
1473 | data->pwm[INPUT][index] = 0; |
1474 | data->pwm[CONTROL][index] &= ~0xE0; | |
1475 | data->pwm[CONTROL][index] |= (7 << 5); | |
1476 | ||
1477 | i2c_smbus_write_byte_data(client, PWM_CONFIG_REG(index), | |
1478 | data->pwm[INPUT][index]); | |
1479 | ||
1480 | i2c_smbus_write_byte_data(client, PWM_CONFIG_REG(index), | |
1481 | data->pwm[CONTROL][index]); | |
1482 | ||
1483 | data->pwmctl[index] = 1; | |
1484 | } else { | |
1485 | data->pwmctl[index] = 2; | |
1486 | ||
1487 | switch (v) { | |
1488 | case 0: | |
1489 | data->pwmchan[index] = 1; | |
1490 | break; | |
1491 | case 1: | |
1492 | data->pwmchan[index] = 2; | |
1493 | break; | |
1494 | case 2: | |
1495 | data->pwmchan[index] = 4; | |
1496 | break; | |
1497 | case 5: | |
1498 | data->pwmchan[index] = 6; | |
1499 | break; | |
1500 | case 6: | |
1501 | data->pwmchan[index] = 7; | |
1502 | break; | |
1503 | } | |
1504 | } | |
1505 | } | |
1506 | ||
1507 | static struct adt7475_data *adt7475_update_device(struct device *dev) | |
1508 | { | |
1509 | struct i2c_client *client = to_i2c_client(dev); | |
1510 | struct adt7475_data *data = i2c_get_clientdata(client); | |
3d849981 | 1511 | u16 ext; |
1c301fc5 JC |
1512 | int i; |
1513 | ||
1514 | mutex_lock(&data->lock); | |
1515 | ||
1516 | /* Measurement values update every 2 seconds */ | |
1517 | if (time_after(jiffies, data->measure_updated + HZ * 2) || | |
1518 | !data->valid) { | |
1519 | data->alarms = adt7475_read(REG_STATUS2) << 8; | |
1520 | data->alarms |= adt7475_read(REG_STATUS1); | |
1521 | ||
3d849981 JD |
1522 | ext = (adt7475_read(REG_EXTEND2) << 8) | |
1523 | adt7475_read(REG_EXTEND1); | |
cffb9dd0 JD |
1524 | for (i = 0; i < ADT7475_VOLTAGE_COUNT; i++) { |
1525 | if (!(data->has_voltage & (1 << i))) | |
1526 | continue; | |
1c301fc5 JC |
1527 | data->voltage[INPUT][i] = |
1528 | (adt7475_read(VOLTAGE_REG(i)) << 2) | | |
cffb9dd0 JD |
1529 | ((ext >> (i * 2)) & 3); |
1530 | } | |
1c301fc5 | 1531 | |
1c301fc5 JC |
1532 | for (i = 0; i < ADT7475_TEMP_COUNT; i++) |
1533 | data->temp[INPUT][i] = | |
1534 | (adt7475_read(TEMP_REG(i)) << 2) | | |
3d849981 JD |
1535 | ((ext >> ((i + 5) * 2)) & 3); |
1536 | ||
1537 | if (data->has_voltage & (1 << 5)) { | |
1538 | data->alarms |= adt7475_read(REG_STATUS4) << 24; | |
1539 | ext = adt7475_read(REG_EXTEND3); | |
1540 | data->voltage[INPUT][5] = adt7475_read(REG_VTT) << 2 | | |
1541 | ((ext >> 4) & 3); | |
1542 | } | |
1c301fc5 | 1543 | |
378933c9 JD |
1544 | for (i = 0; i < ADT7475_TACH_COUNT; i++) { |
1545 | if (i == 3 && !data->has_fan4) | |
1546 | continue; | |
1c301fc5 JC |
1547 | data->tach[INPUT][i] = |
1548 | adt7475_read_word(client, TACH_REG(i)); | |
378933c9 | 1549 | } |
1c301fc5 JC |
1550 | |
1551 | /* Updated by hw when in auto mode */ | |
378933c9 JD |
1552 | for (i = 0; i < ADT7475_PWM_COUNT; i++) { |
1553 | if (i == 1 && !data->has_pwm2) | |
1554 | continue; | |
1c301fc5 | 1555 | data->pwm[INPUT][i] = adt7475_read(PWM_REG(i)); |
378933c9 | 1556 | } |
1c301fc5 | 1557 | |
54fe4671 JD |
1558 | if (data->has_vid) |
1559 | data->vid = adt7475_read(REG_VID) & 0x3f; | |
1560 | ||
1c301fc5 JC |
1561 | data->measure_updated = jiffies; |
1562 | } | |
1563 | ||
1564 | /* Limits and settings, should never change update every 60 seconds */ | |
56e35eee | 1565 | if (time_after(jiffies, data->limits_updated + HZ * 60) || |
1c301fc5 | 1566 | !data->valid) { |
f99318b2 | 1567 | data->config4 = adt7475_read(REG_CONFIG4); |
1c301fc5 JC |
1568 | data->config5 = adt7475_read(REG_CONFIG5); |
1569 | ||
1570 | for (i = 0; i < ADT7475_VOLTAGE_COUNT; i++) { | |
cffb9dd0 JD |
1571 | if (!(data->has_voltage & (1 << i))) |
1572 | continue; | |
1c301fc5 JC |
1573 | /* Adjust values so they match the input precision */ |
1574 | data->voltage[MIN][i] = | |
1575 | adt7475_read(VOLTAGE_MIN_REG(i)) << 2; | |
1576 | data->voltage[MAX][i] = | |
1577 | adt7475_read(VOLTAGE_MAX_REG(i)) << 2; | |
1578 | } | |
1579 | ||
3d849981 JD |
1580 | if (data->has_voltage & (1 << 5)) { |
1581 | data->voltage[MIN][5] = adt7475_read(REG_VTT_MIN) << 2; | |
1582 | data->voltage[MAX][5] = adt7475_read(REG_VTT_MAX) << 2; | |
1583 | } | |
1584 | ||
1c301fc5 JC |
1585 | for (i = 0; i < ADT7475_TEMP_COUNT; i++) { |
1586 | /* Adjust values so they match the input precision */ | |
1587 | data->temp[MIN][i] = | |
1588 | adt7475_read(TEMP_MIN_REG(i)) << 2; | |
1589 | data->temp[MAX][i] = | |
1590 | adt7475_read(TEMP_MAX_REG(i)) << 2; | |
1591 | data->temp[AUTOMIN][i] = | |
1592 | adt7475_read(TEMP_TMIN_REG(i)) << 2; | |
1593 | data->temp[THERM][i] = | |
1594 | adt7475_read(TEMP_THERM_REG(i)) << 2; | |
1595 | data->temp[OFFSET][i] = | |
1596 | adt7475_read(TEMP_OFFSET_REG(i)); | |
1597 | } | |
1598 | adt7475_read_hystersis(client); | |
1599 | ||
378933c9 JD |
1600 | for (i = 0; i < ADT7475_TACH_COUNT; i++) { |
1601 | if (i == 3 && !data->has_fan4) | |
1602 | continue; | |
1c301fc5 JC |
1603 | data->tach[MIN][i] = |
1604 | adt7475_read_word(client, TACH_MIN_REG(i)); | |
378933c9 | 1605 | } |
1c301fc5 JC |
1606 | |
1607 | for (i = 0; i < ADT7475_PWM_COUNT; i++) { | |
378933c9 JD |
1608 | if (i == 1 && !data->has_pwm2) |
1609 | continue; | |
1c301fc5 JC |
1610 | data->pwm[MAX][i] = adt7475_read(PWM_MAX_REG(i)); |
1611 | data->pwm[MIN][i] = adt7475_read(PWM_MIN_REG(i)); | |
1612 | /* Set the channel and control information */ | |
1613 | adt7475_read_pwm(client, i); | |
1614 | } | |
1615 | ||
1616 | data->range[0] = adt7475_read(TEMP_TRANGE_REG(0)); | |
1617 | data->range[1] = adt7475_read(TEMP_TRANGE_REG(1)); | |
1618 | data->range[2] = adt7475_read(TEMP_TRANGE_REG(2)); | |
1619 | ||
1620 | data->limits_updated = jiffies; | |
1621 | data->valid = 1; | |
1622 | } | |
1623 | ||
1624 | mutex_unlock(&data->lock); | |
1625 | ||
1626 | return data; | |
1627 | } | |
1628 | ||
f0967eea | 1629 | module_i2c_driver(adt7475_driver); |
1c301fc5 JC |
1630 | |
1631 | MODULE_AUTHOR("Advanced Micro Devices, Inc"); | |
1632 | MODULE_DESCRIPTION("adt7475 driver"); | |
1633 | MODULE_LICENSE("GPL"); |