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> | |
21 | #include <linux/err.h> | |
22 | ||
23 | /* Indexes for the sysfs hooks */ | |
24 | ||
25 | #define INPUT 0 | |
26 | #define MIN 1 | |
27 | #define MAX 2 | |
28 | #define CONTROL 3 | |
29 | #define OFFSET 3 | |
30 | #define AUTOMIN 4 | |
31 | #define THERM 5 | |
32 | #define HYSTERSIS 6 | |
33 | ||
34 | /* These are unique identifiers for the sysfs functions - unlike the | |
35 | numbers above, these are not also indexes into an array | |
36 | */ | |
37 | ||
38 | #define ALARM 9 | |
39 | #define FAULT 10 | |
40 | ||
41 | /* 7475 Common Registers */ | |
42 | ||
d07ca4ad JD |
43 | #define REG_DEVREV2 0x12 /* ADT7490 only */ |
44 | ||
3d849981 JD |
45 | #define REG_VTT 0x1E /* ADT7490 only */ |
46 | #define REG_EXTEND3 0x1F /* ADT7490 only */ | |
47 | ||
cffb9dd0 | 48 | #define REG_VOLTAGE_BASE 0x20 |
1c301fc5 JC |
49 | #define REG_TEMP_BASE 0x25 |
50 | #define REG_TACH_BASE 0x28 | |
51 | #define REG_PWM_BASE 0x30 | |
52 | #define REG_PWM_MAX_BASE 0x38 | |
53 | ||
54 | #define REG_DEVID 0x3D | |
55 | #define REG_VENDID 0x3E | |
d656b6fd | 56 | #define REG_DEVID2 0x3F |
1c301fc5 JC |
57 | |
58 | #define REG_STATUS1 0x41 | |
59 | #define REG_STATUS2 0x42 | |
60 | ||
d8d2ee07 JD |
61 | #define REG_VID 0x43 /* ADT7476 only */ |
62 | ||
cffb9dd0 JD |
63 | #define REG_VOLTAGE_MIN_BASE 0x44 |
64 | #define REG_VOLTAGE_MAX_BASE 0x45 | |
1c301fc5 JC |
65 | |
66 | #define REG_TEMP_MIN_BASE 0x4E | |
67 | #define REG_TEMP_MAX_BASE 0x4F | |
68 | ||
69 | #define REG_TACH_MIN_BASE 0x54 | |
70 | ||
71 | #define REG_PWM_CONFIG_BASE 0x5C | |
72 | ||
73 | #define REG_TEMP_TRANGE_BASE 0x5F | |
74 | ||
75 | #define REG_PWM_MIN_BASE 0x64 | |
76 | ||
77 | #define REG_TEMP_TMIN_BASE 0x67 | |
78 | #define REG_TEMP_THERM_BASE 0x6A | |
79 | ||
80 | #define REG_REMOTE1_HYSTERSIS 0x6D | |
81 | #define REG_REMOTE2_HYSTERSIS 0x6E | |
82 | ||
83 | #define REG_TEMP_OFFSET_BASE 0x70 | |
84 | ||
ebfaf1fb JD |
85 | #define REG_CONFIG2 0x73 |
86 | ||
1c301fc5 JC |
87 | #define REG_EXTEND1 0x76 |
88 | #define REG_EXTEND2 0x77 | |
378933c9 JD |
89 | |
90 | #define REG_CONFIG3 0x78 | |
1c301fc5 | 91 | #define REG_CONFIG5 0x7C |
f99318b2 JD |
92 | #define REG_CONFIG4 0x7D |
93 | ||
3d849981 JD |
94 | #define REG_STATUS4 0x81 /* ADT7490 only */ |
95 | ||
96 | #define REG_VTT_MIN 0x84 /* ADT7490 only */ | |
97 | #define REG_VTT_MAX 0x86 /* ADT7490 only */ | |
98 | ||
d8d2ee07 JD |
99 | #define VID_VIDSEL 0x80 /* ADT7476 only */ |
100 | ||
ebfaf1fb JD |
101 | #define CONFIG2_ATTN 0x20 |
102 | ||
378933c9 JD |
103 | #define CONFIG3_SMBALERT 0x01 |
104 | #define CONFIG3_THERM 0x02 | |
105 | ||
106 | #define CONFIG4_PINFUNC 0x03 | |
f99318b2 | 107 | #define CONFIG4_MAXDUTY 0x08 |
ebfaf1fb JD |
108 | #define CONFIG4_ATTN_IN10 0x30 |
109 | #define CONFIG4_ATTN_IN43 0xC0 | |
1c301fc5 JC |
110 | |
111 | #define CONFIG5_TWOSCOMP 0x01 | |
112 | #define CONFIG5_TEMPOFFSET 0x02 | |
113 | ||
114 | /* ADT7475 Settings */ | |
115 | ||
cffb9dd0 | 116 | #define ADT7475_VOLTAGE_COUNT 5 /* Not counting Vtt */ |
1c301fc5 JC |
117 | #define ADT7475_TEMP_COUNT 3 |
118 | #define ADT7475_TACH_COUNT 4 | |
119 | #define ADT7475_PWM_COUNT 3 | |
120 | ||
121 | /* Macro to read the registers */ | |
122 | ||
123 | #define adt7475_read(reg) i2c_smbus_read_byte_data(client, (reg)) | |
124 | ||
125 | /* Macros to easily index the registers */ | |
126 | ||
127 | #define TACH_REG(idx) (REG_TACH_BASE + ((idx) * 2)) | |
128 | #define TACH_MIN_REG(idx) (REG_TACH_MIN_BASE + ((idx) * 2)) | |
129 | ||
130 | #define PWM_REG(idx) (REG_PWM_BASE + (idx)) | |
131 | #define PWM_MAX_REG(idx) (REG_PWM_MAX_BASE + (idx)) | |
132 | #define PWM_MIN_REG(idx) (REG_PWM_MIN_BASE + (idx)) | |
133 | #define PWM_CONFIG_REG(idx) (REG_PWM_CONFIG_BASE + (idx)) | |
134 | ||
135 | #define VOLTAGE_REG(idx) (REG_VOLTAGE_BASE + (idx)) | |
136 | #define VOLTAGE_MIN_REG(idx) (REG_VOLTAGE_MIN_BASE + ((idx) * 2)) | |
137 | #define VOLTAGE_MAX_REG(idx) (REG_VOLTAGE_MAX_BASE + ((idx) * 2)) | |
138 | ||
139 | #define TEMP_REG(idx) (REG_TEMP_BASE + (idx)) | |
140 | #define TEMP_MIN_REG(idx) (REG_TEMP_MIN_BASE + ((idx) * 2)) | |
141 | #define TEMP_MAX_REG(idx) (REG_TEMP_MAX_BASE + ((idx) * 2)) | |
142 | #define TEMP_TMIN_REG(idx) (REG_TEMP_TMIN_BASE + (idx)) | |
143 | #define TEMP_THERM_REG(idx) (REG_TEMP_THERM_BASE + (idx)) | |
144 | #define TEMP_OFFSET_REG(idx) (REG_TEMP_OFFSET_BASE + (idx)) | |
145 | #define TEMP_TRANGE_REG(idx) (REG_TEMP_TRANGE_BASE + (idx)) | |
146 | ||
b180d050 | 147 | static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END }; |
1c301fc5 | 148 | |
d8d2ee07 | 149 | I2C_CLIENT_INSMOD_4(adt7473, adt7475, adt7476, adt7490); |
1c301fc5 JC |
150 | |
151 | static const struct i2c_device_id adt7475_id[] = { | |
b180d050 | 152 | { "adt7473", adt7473 }, |
1c301fc5 | 153 | { "adt7475", adt7475 }, |
d8d2ee07 | 154 | { "adt7476", adt7476 }, |
3d849981 | 155 | { "adt7490", adt7490 }, |
1c301fc5 JC |
156 | { } |
157 | }; | |
158 | MODULE_DEVICE_TABLE(i2c, adt7475_id); | |
159 | ||
160 | struct adt7475_data { | |
161 | struct device *hwmon_dev; | |
162 | struct mutex lock; | |
163 | ||
164 | unsigned long measure_updated; | |
165 | unsigned long limits_updated; | |
166 | char valid; | |
167 | ||
f99318b2 | 168 | u8 config4; |
1c301fc5 | 169 | u8 config5; |
cffb9dd0 | 170 | u8 has_voltage; |
ebfaf1fb | 171 | u8 bypass_attn; /* Bypass voltage attenuator */ |
378933c9 JD |
172 | u8 has_pwm2:1; |
173 | u8 has_fan4:1; | |
3d849981 | 174 | u32 alarms; |
cffb9dd0 | 175 | u16 voltage[3][6]; |
1c301fc5 JC |
176 | u16 temp[7][3]; |
177 | u16 tach[2][4]; | |
178 | u8 pwm[4][3]; | |
179 | u8 range[3]; | |
180 | u8 pwmctl[3]; | |
181 | u8 pwmchan[3]; | |
182 | }; | |
183 | ||
184 | static struct i2c_driver adt7475_driver; | |
185 | static struct adt7475_data *adt7475_update_device(struct device *dev); | |
186 | static void adt7475_read_hystersis(struct i2c_client *client); | |
187 | static void adt7475_read_pwm(struct i2c_client *client, int index); | |
188 | ||
189 | /* Given a temp value, convert it to register value */ | |
190 | ||
191 | static inline u16 temp2reg(struct adt7475_data *data, long val) | |
192 | { | |
193 | u16 ret; | |
194 | ||
195 | if (!(data->config5 & CONFIG5_TWOSCOMP)) { | |
196 | val = SENSORS_LIMIT(val, -64000, 191000); | |
197 | ret = (val + 64500) / 1000; | |
198 | } else { | |
199 | val = SENSORS_LIMIT(val, -128000, 127000); | |
200 | if (val < -500) | |
201 | ret = (256500 + val) / 1000; | |
202 | else | |
203 | ret = (val + 500) / 1000; | |
204 | } | |
205 | ||
206 | return ret << 2; | |
207 | } | |
208 | ||
209 | /* Given a register value, convert it to a real temp value */ | |
210 | ||
211 | static inline int reg2temp(struct adt7475_data *data, u16 reg) | |
212 | { | |
213 | if (data->config5 & CONFIG5_TWOSCOMP) { | |
214 | if (reg >= 512) | |
215 | return (reg - 1024) * 250; | |
216 | else | |
217 | return reg * 250; | |
218 | } else | |
219 | return (reg - 256) * 250; | |
220 | } | |
221 | ||
222 | static inline int tach2rpm(u16 tach) | |
223 | { | |
224 | if (tach == 0 || tach == 0xFFFF) | |
225 | return 0; | |
226 | ||
227 | return (90000 * 60) / tach; | |
228 | } | |
229 | ||
230 | static inline u16 rpm2tach(unsigned long rpm) | |
231 | { | |
232 | if (rpm == 0) | |
233 | return 0; | |
234 | ||
235 | return SENSORS_LIMIT((90000 * 60) / rpm, 1, 0xFFFF); | |
236 | } | |
237 | ||
cffb9dd0 JD |
238 | /* Scaling factors for voltage inputs, taken from the ADT7490 datasheet */ |
239 | static const int adt7473_in_scaling[ADT7475_VOLTAGE_COUNT + 1][2] = { | |
240 | { 45, 94 }, /* +2.5V */ | |
241 | { 175, 525 }, /* Vccp */ | |
242 | { 68, 71 }, /* Vcc */ | |
243 | { 93, 47 }, /* +5V */ | |
244 | { 120, 20 }, /* +12V */ | |
245 | { 45, 45 }, /* Vtt */ | |
246 | }; | |
1c301fc5 | 247 | |
ebfaf1fb | 248 | static inline int reg2volt(int channel, u16 reg, u8 bypass_attn) |
1c301fc5 | 249 | { |
cffb9dd0 | 250 | const int *r = adt7473_in_scaling[channel]; |
1c301fc5 | 251 | |
ebfaf1fb JD |
252 | if (bypass_attn & (1 << channel)) |
253 | return DIV_ROUND_CLOSEST(reg * 2250, 1024); | |
cffb9dd0 | 254 | return DIV_ROUND_CLOSEST(reg * (r[0] + r[1]) * 2250, r[1] * 1024); |
1c301fc5 JC |
255 | } |
256 | ||
ebfaf1fb | 257 | static inline u16 volt2reg(int channel, long volt, u8 bypass_attn) |
1c301fc5 | 258 | { |
cffb9dd0 JD |
259 | const int *r = adt7473_in_scaling[channel]; |
260 | long reg; | |
261 | ||
ebfaf1fb JD |
262 | if (bypass_attn & (1 << channel)) |
263 | reg = (volt * 1024) / 2250; | |
264 | else | |
265 | reg = (volt * r[1] * 1024) / ((r[0] + r[1]) * 2250); | |
cffb9dd0 | 266 | return SENSORS_LIMIT(reg, 0, 1023) & (0xff << 2); |
1c301fc5 JC |
267 | } |
268 | ||
269 | static u16 adt7475_read_word(struct i2c_client *client, int reg) | |
270 | { | |
271 | u16 val; | |
272 | ||
273 | val = i2c_smbus_read_byte_data(client, reg); | |
274 | val |= (i2c_smbus_read_byte_data(client, reg + 1) << 8); | |
275 | ||
276 | return val; | |
277 | } | |
278 | ||
279 | static void adt7475_write_word(struct i2c_client *client, int reg, u16 val) | |
280 | { | |
281 | i2c_smbus_write_byte_data(client, reg + 1, val >> 8); | |
282 | i2c_smbus_write_byte_data(client, reg, val & 0xFF); | |
283 | } | |
284 | ||
285 | /* Find the nearest value in a table - used for pwm frequency and | |
286 | auto temp range */ | |
287 | static int find_nearest(long val, const int *array, int size) | |
288 | { | |
289 | int i; | |
290 | ||
291 | if (val < array[0]) | |
292 | return 0; | |
293 | ||
294 | if (val > array[size - 1]) | |
295 | return size - 1; | |
296 | ||
297 | for (i = 0; i < size - 1; i++) { | |
298 | int a, b; | |
299 | ||
300 | if (val > array[i + 1]) | |
301 | continue; | |
302 | ||
303 | a = val - array[i]; | |
304 | b = array[i + 1] - val; | |
305 | ||
306 | return (a <= b) ? i : i + 1; | |
307 | } | |
308 | ||
309 | return 0; | |
310 | } | |
311 | ||
312 | static ssize_t show_voltage(struct device *dev, struct device_attribute *attr, | |
313 | char *buf) | |
314 | { | |
315 | struct adt7475_data *data = adt7475_update_device(dev); | |
316 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
317 | unsigned short val; | |
318 | ||
319 | switch (sattr->nr) { | |
320 | case ALARM: | |
321 | return sprintf(buf, "%d\n", | |
cffb9dd0 | 322 | (data->alarms >> sattr->index) & 1); |
1c301fc5 JC |
323 | default: |
324 | val = data->voltage[sattr->nr][sattr->index]; | |
ebfaf1fb JD |
325 | return sprintf(buf, "%d\n", |
326 | reg2volt(sattr->index, val, data->bypass_attn)); | |
1c301fc5 JC |
327 | } |
328 | } | |
329 | ||
330 | static ssize_t set_voltage(struct device *dev, struct device_attribute *attr, | |
331 | const char *buf, size_t count) | |
332 | { | |
333 | ||
334 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
335 | struct i2c_client *client = to_i2c_client(dev); | |
336 | struct adt7475_data *data = i2c_get_clientdata(client); | |
337 | unsigned char reg; | |
338 | long val; | |
339 | ||
340 | if (strict_strtol(buf, 10, &val)) | |
341 | return -EINVAL; | |
342 | ||
343 | mutex_lock(&data->lock); | |
344 | ||
ebfaf1fb JD |
345 | data->voltage[sattr->nr][sattr->index] = |
346 | volt2reg(sattr->index, val, data->bypass_attn); | |
1c301fc5 | 347 | |
3d849981 JD |
348 | if (sattr->index < ADT7475_VOLTAGE_COUNT) { |
349 | if (sattr->nr == MIN) | |
350 | reg = VOLTAGE_MIN_REG(sattr->index); | |
351 | else | |
352 | reg = VOLTAGE_MAX_REG(sattr->index); | |
353 | } else { | |
354 | if (sattr->nr == MIN) | |
355 | reg = REG_VTT_MIN; | |
356 | else | |
357 | reg = REG_VTT_MAX; | |
358 | } | |
1c301fc5 JC |
359 | |
360 | i2c_smbus_write_byte_data(client, reg, | |
361 | data->voltage[sattr->nr][sattr->index] >> 2); | |
362 | mutex_unlock(&data->lock); | |
363 | ||
364 | return count; | |
365 | } | |
366 | ||
367 | static ssize_t show_temp(struct device *dev, struct device_attribute *attr, | |
368 | char *buf) | |
369 | { | |
370 | struct adt7475_data *data = adt7475_update_device(dev); | |
371 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
372 | int out; | |
373 | ||
374 | switch (sattr->nr) { | |
375 | case HYSTERSIS: | |
376 | mutex_lock(&data->lock); | |
377 | out = data->temp[sattr->nr][sattr->index]; | |
378 | if (sattr->index != 1) | |
379 | out = (out >> 4) & 0xF; | |
380 | else | |
381 | out = (out & 0xF); | |
382 | /* Show the value as an absolute number tied to | |
383 | * THERM */ | |
384 | out = reg2temp(data, data->temp[THERM][sattr->index]) - | |
385 | out * 1000; | |
386 | mutex_unlock(&data->lock); | |
387 | break; | |
388 | ||
389 | case OFFSET: | |
390 | /* Offset is always 2's complement, regardless of the | |
391 | * setting in CONFIG5 */ | |
392 | mutex_lock(&data->lock); | |
393 | out = (s8)data->temp[sattr->nr][sattr->index]; | |
394 | if (data->config5 & CONFIG5_TEMPOFFSET) | |
395 | out *= 1000; | |
396 | else | |
397 | out *= 500; | |
398 | mutex_unlock(&data->lock); | |
399 | break; | |
400 | ||
401 | case ALARM: | |
402 | out = (data->alarms >> (sattr->index + 4)) & 1; | |
403 | break; | |
404 | ||
405 | case FAULT: | |
406 | /* Note - only for remote1 and remote2 */ | |
cf312e07 | 407 | out = !!(data->alarms & (sattr->index ? 0x8000 : 0x4000)); |
1c301fc5 JC |
408 | break; |
409 | ||
410 | default: | |
411 | /* All other temp values are in the configured format */ | |
412 | out = reg2temp(data, data->temp[sattr->nr][sattr->index]); | |
413 | } | |
414 | ||
415 | return sprintf(buf, "%d\n", out); | |
416 | } | |
417 | ||
418 | static ssize_t set_temp(struct device *dev, struct device_attribute *attr, | |
419 | const char *buf, size_t count) | |
420 | { | |
421 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
422 | struct i2c_client *client = to_i2c_client(dev); | |
423 | struct adt7475_data *data = i2c_get_clientdata(client); | |
424 | unsigned char reg = 0; | |
425 | u8 out; | |
426 | int temp; | |
427 | long val; | |
428 | ||
429 | if (strict_strtol(buf, 10, &val)) | |
430 | return -EINVAL; | |
431 | ||
432 | mutex_lock(&data->lock); | |
433 | ||
434 | /* We need the config register in all cases for temp <-> reg conv. */ | |
435 | data->config5 = adt7475_read(REG_CONFIG5); | |
436 | ||
437 | switch (sattr->nr) { | |
438 | case OFFSET: | |
439 | if (data->config5 & CONFIG5_TEMPOFFSET) { | |
440 | val = SENSORS_LIMIT(val, -63000, 127000); | |
441 | out = data->temp[OFFSET][sattr->index] = val / 1000; | |
442 | } else { | |
443 | val = SENSORS_LIMIT(val, -63000, 64000); | |
444 | out = data->temp[OFFSET][sattr->index] = val / 500; | |
445 | } | |
446 | break; | |
447 | ||
448 | case HYSTERSIS: | |
449 | /* The value will be given as an absolute value, turn it | |
450 | into an offset based on THERM */ | |
451 | ||
452 | /* Read fresh THERM and HYSTERSIS values from the chip */ | |
453 | data->temp[THERM][sattr->index] = | |
454 | adt7475_read(TEMP_THERM_REG(sattr->index)) << 2; | |
455 | adt7475_read_hystersis(client); | |
456 | ||
457 | temp = reg2temp(data, data->temp[THERM][sattr->index]); | |
458 | val = SENSORS_LIMIT(val, temp - 15000, temp); | |
459 | val = (temp - val) / 1000; | |
460 | ||
461 | if (sattr->index != 1) { | |
462 | data->temp[HYSTERSIS][sattr->index] &= 0xF0; | |
463 | data->temp[HYSTERSIS][sattr->index] |= (val & 0xF) << 4; | |
464 | } else { | |
465 | data->temp[HYSTERSIS][sattr->index] &= 0x0F; | |
466 | data->temp[HYSTERSIS][sattr->index] |= (val & 0xF); | |
467 | } | |
468 | ||
469 | out = data->temp[HYSTERSIS][sattr->index]; | |
470 | break; | |
471 | ||
472 | default: | |
473 | data->temp[sattr->nr][sattr->index] = temp2reg(data, val); | |
474 | ||
475 | /* We maintain an extra 2 digits of precision for simplicity | |
476 | * - shift those back off before writing the value */ | |
477 | out = (u8) (data->temp[sattr->nr][sattr->index] >> 2); | |
478 | } | |
479 | ||
480 | switch (sattr->nr) { | |
481 | case MIN: | |
482 | reg = TEMP_MIN_REG(sattr->index); | |
483 | break; | |
484 | case MAX: | |
485 | reg = TEMP_MAX_REG(sattr->index); | |
486 | break; | |
487 | case OFFSET: | |
488 | reg = TEMP_OFFSET_REG(sattr->index); | |
489 | break; | |
490 | case AUTOMIN: | |
491 | reg = TEMP_TMIN_REG(sattr->index); | |
492 | break; | |
493 | case THERM: | |
494 | reg = TEMP_THERM_REG(sattr->index); | |
495 | break; | |
496 | case HYSTERSIS: | |
497 | if (sattr->index != 2) | |
498 | reg = REG_REMOTE1_HYSTERSIS; | |
499 | else | |
500 | reg = REG_REMOTE2_HYSTERSIS; | |
501 | ||
502 | break; | |
503 | } | |
504 | ||
505 | i2c_smbus_write_byte_data(client, reg, out); | |
506 | ||
507 | mutex_unlock(&data->lock); | |
508 | return count; | |
509 | } | |
510 | ||
511 | /* Table of autorange values - the user will write the value in millidegrees, | |
512 | and we'll convert it */ | |
513 | static const int autorange_table[] = { | |
514 | 2000, 2500, 3330, 4000, 5000, 6670, 8000, | |
515 | 10000, 13330, 16000, 20000, 26670, 32000, 40000, | |
516 | 53330, 80000 | |
517 | }; | |
518 | ||
519 | static ssize_t show_point2(struct device *dev, struct device_attribute *attr, | |
520 | char *buf) | |
521 | { | |
522 | struct adt7475_data *data = adt7475_update_device(dev); | |
523 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
524 | int out, val; | |
525 | ||
526 | mutex_lock(&data->lock); | |
527 | out = (data->range[sattr->index] >> 4) & 0x0F; | |
528 | val = reg2temp(data, data->temp[AUTOMIN][sattr->index]); | |
529 | mutex_unlock(&data->lock); | |
530 | ||
531 | return sprintf(buf, "%d\n", val + autorange_table[out]); | |
532 | } | |
533 | ||
534 | static ssize_t set_point2(struct device *dev, struct device_attribute *attr, | |
535 | const char *buf, size_t count) | |
536 | { | |
537 | struct i2c_client *client = to_i2c_client(dev); | |
538 | struct adt7475_data *data = i2c_get_clientdata(client); | |
539 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
540 | int temp; | |
541 | long val; | |
542 | ||
543 | if (strict_strtol(buf, 10, &val)) | |
544 | return -EINVAL; | |
545 | ||
546 | mutex_lock(&data->lock); | |
547 | ||
548 | /* Get a fresh copy of the needed registers */ | |
549 | data->config5 = adt7475_read(REG_CONFIG5); | |
550 | data->temp[AUTOMIN][sattr->index] = | |
551 | adt7475_read(TEMP_TMIN_REG(sattr->index)) << 2; | |
552 | data->range[sattr->index] = | |
553 | adt7475_read(TEMP_TRANGE_REG(sattr->index)); | |
554 | ||
555 | /* The user will write an absolute value, so subtract the start point | |
556 | to figure the range */ | |
557 | temp = reg2temp(data, data->temp[AUTOMIN][sattr->index]); | |
558 | val = SENSORS_LIMIT(val, temp + autorange_table[0], | |
559 | temp + autorange_table[ARRAY_SIZE(autorange_table) - 1]); | |
560 | val -= temp; | |
561 | ||
562 | /* Find the nearest table entry to what the user wrote */ | |
563 | val = find_nearest(val, autorange_table, ARRAY_SIZE(autorange_table)); | |
564 | ||
565 | data->range[sattr->index] &= ~0xF0; | |
566 | data->range[sattr->index] |= val << 4; | |
567 | ||
568 | i2c_smbus_write_byte_data(client, TEMP_TRANGE_REG(sattr->index), | |
569 | data->range[sattr->index]); | |
570 | ||
571 | mutex_unlock(&data->lock); | |
572 | return count; | |
573 | } | |
574 | ||
575 | static ssize_t show_tach(struct device *dev, struct device_attribute *attr, | |
576 | char *buf) | |
577 | { | |
578 | struct adt7475_data *data = adt7475_update_device(dev); | |
579 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
580 | int out; | |
581 | ||
582 | if (sattr->nr == ALARM) | |
583 | out = (data->alarms >> (sattr->index + 10)) & 1; | |
584 | else | |
585 | out = tach2rpm(data->tach[sattr->nr][sattr->index]); | |
586 | ||
587 | return sprintf(buf, "%d\n", out); | |
588 | } | |
589 | ||
590 | static ssize_t set_tach(struct device *dev, struct device_attribute *attr, | |
591 | const char *buf, size_t count) | |
592 | { | |
593 | ||
594 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
595 | struct i2c_client *client = to_i2c_client(dev); | |
596 | struct adt7475_data *data = i2c_get_clientdata(client); | |
597 | unsigned long val; | |
598 | ||
599 | if (strict_strtoul(buf, 10, &val)) | |
600 | return -EINVAL; | |
601 | ||
602 | mutex_lock(&data->lock); | |
603 | ||
604 | data->tach[MIN][sattr->index] = rpm2tach(val); | |
605 | ||
606 | adt7475_write_word(client, TACH_MIN_REG(sattr->index), | |
607 | data->tach[MIN][sattr->index]); | |
608 | ||
609 | mutex_unlock(&data->lock); | |
610 | return count; | |
611 | } | |
612 | ||
613 | static ssize_t show_pwm(struct device *dev, struct device_attribute *attr, | |
614 | char *buf) | |
615 | { | |
616 | struct adt7475_data *data = adt7475_update_device(dev); | |
617 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
618 | ||
619 | return sprintf(buf, "%d\n", data->pwm[sattr->nr][sattr->index]); | |
620 | } | |
621 | ||
622 | static ssize_t show_pwmchan(struct device *dev, struct device_attribute *attr, | |
623 | char *buf) | |
624 | { | |
625 | struct adt7475_data *data = adt7475_update_device(dev); | |
626 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
627 | ||
628 | return sprintf(buf, "%d\n", data->pwmchan[sattr->index]); | |
629 | } | |
630 | ||
631 | static ssize_t show_pwmctrl(struct device *dev, struct device_attribute *attr, | |
632 | char *buf) | |
633 | { | |
634 | struct adt7475_data *data = adt7475_update_device(dev); | |
635 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
636 | ||
637 | return sprintf(buf, "%d\n", data->pwmctl[sattr->index]); | |
638 | } | |
639 | ||
640 | static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, | |
641 | const char *buf, size_t count) | |
642 | { | |
643 | ||
644 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
645 | struct i2c_client *client = to_i2c_client(dev); | |
646 | struct adt7475_data *data = i2c_get_clientdata(client); | |
647 | unsigned char reg = 0; | |
648 | long val; | |
649 | ||
650 | if (strict_strtol(buf, 10, &val)) | |
651 | return -EINVAL; | |
652 | ||
653 | mutex_lock(&data->lock); | |
654 | ||
655 | switch (sattr->nr) { | |
656 | case INPUT: | |
657 | /* Get a fresh value for CONTROL */ | |
658 | data->pwm[CONTROL][sattr->index] = | |
659 | adt7475_read(PWM_CONFIG_REG(sattr->index)); | |
660 | ||
661 | /* If we are not in manual mode, then we shouldn't allow | |
662 | * the user to set the pwm speed */ | |
663 | if (((data->pwm[CONTROL][sattr->index] >> 5) & 7) != 7) { | |
664 | mutex_unlock(&data->lock); | |
665 | return count; | |
666 | } | |
667 | ||
668 | reg = PWM_REG(sattr->index); | |
669 | break; | |
670 | ||
671 | case MIN: | |
672 | reg = PWM_MIN_REG(sattr->index); | |
673 | break; | |
674 | ||
675 | case MAX: | |
676 | reg = PWM_MAX_REG(sattr->index); | |
677 | break; | |
678 | } | |
679 | ||
680 | data->pwm[sattr->nr][sattr->index] = SENSORS_LIMIT(val, 0, 0xFF); | |
681 | i2c_smbus_write_byte_data(client, reg, | |
682 | data->pwm[sattr->nr][sattr->index]); | |
683 | ||
684 | mutex_unlock(&data->lock); | |
685 | ||
686 | return count; | |
687 | } | |
688 | ||
689 | /* Called by set_pwmctrl and set_pwmchan */ | |
690 | ||
691 | static int hw_set_pwm(struct i2c_client *client, int index, | |
692 | unsigned int pwmctl, unsigned int pwmchan) | |
693 | { | |
694 | struct adt7475_data *data = i2c_get_clientdata(client); | |
695 | long val = 0; | |
696 | ||
697 | switch (pwmctl) { | |
698 | case 0: | |
699 | val = 0x03; /* Run at full speed */ | |
700 | break; | |
701 | case 1: | |
702 | val = 0x07; /* Manual mode */ | |
703 | break; | |
704 | case 2: | |
705 | switch (pwmchan) { | |
706 | case 1: | |
707 | /* Remote1 controls PWM */ | |
708 | val = 0x00; | |
709 | break; | |
710 | case 2: | |
711 | /* local controls PWM */ | |
712 | val = 0x01; | |
713 | break; | |
714 | case 4: | |
715 | /* remote2 controls PWM */ | |
716 | val = 0x02; | |
717 | break; | |
718 | case 6: | |
719 | /* local/remote2 control PWM */ | |
720 | val = 0x05; | |
721 | break; | |
722 | case 7: | |
723 | /* All three control PWM */ | |
724 | val = 0x06; | |
725 | break; | |
726 | default: | |
727 | return -EINVAL; | |
728 | } | |
729 | break; | |
730 | default: | |
731 | return -EINVAL; | |
732 | } | |
733 | ||
734 | data->pwmctl[index] = pwmctl; | |
735 | data->pwmchan[index] = pwmchan; | |
736 | ||
737 | data->pwm[CONTROL][index] &= ~0xE0; | |
738 | data->pwm[CONTROL][index] |= (val & 7) << 5; | |
739 | ||
740 | i2c_smbus_write_byte_data(client, PWM_CONFIG_REG(index), | |
741 | data->pwm[CONTROL][index]); | |
742 | ||
743 | return 0; | |
744 | } | |
745 | ||
746 | static ssize_t set_pwmchan(struct device *dev, struct device_attribute *attr, | |
747 | const char *buf, size_t count) | |
748 | { | |
749 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
750 | struct i2c_client *client = to_i2c_client(dev); | |
751 | struct adt7475_data *data = i2c_get_clientdata(client); | |
752 | int r; | |
753 | long val; | |
754 | ||
755 | if (strict_strtol(buf, 10, &val)) | |
756 | return -EINVAL; | |
757 | ||
758 | mutex_lock(&data->lock); | |
759 | /* Read Modify Write PWM values */ | |
760 | adt7475_read_pwm(client, sattr->index); | |
761 | r = hw_set_pwm(client, sattr->index, data->pwmctl[sattr->index], val); | |
762 | if (r) | |
763 | count = r; | |
764 | mutex_unlock(&data->lock); | |
765 | ||
766 | return count; | |
767 | } | |
768 | ||
769 | static ssize_t set_pwmctrl(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 | ||
778 | if (strict_strtol(buf, 10, &val)) | |
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, val, data->pwmchan[sattr->index]); | |
785 | if (r) | |
786 | count = r; | |
787 | mutex_unlock(&data->lock); | |
788 | ||
789 | return count; | |
790 | } | |
791 | ||
792 | /* List of frequencies for the PWM */ | |
793 | static const int pwmfreq_table[] = { | |
794 | 11, 14, 22, 29, 35, 44, 58, 88 | |
795 | }; | |
796 | ||
797 | static ssize_t show_pwmfreq(struct device *dev, struct device_attribute *attr, | |
798 | char *buf) | |
799 | { | |
800 | struct adt7475_data *data = adt7475_update_device(dev); | |
801 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
802 | ||
803 | return sprintf(buf, "%d\n", | |
804 | pwmfreq_table[data->range[sattr->index] & 7]); | |
805 | } | |
806 | ||
807 | static ssize_t set_pwmfreq(struct device *dev, struct device_attribute *attr, | |
808 | const char *buf, size_t count) | |
809 | { | |
810 | struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr); | |
811 | struct i2c_client *client = to_i2c_client(dev); | |
812 | struct adt7475_data *data = i2c_get_clientdata(client); | |
813 | int out; | |
814 | long val; | |
815 | ||
816 | if (strict_strtol(buf, 10, &val)) | |
817 | return -EINVAL; | |
818 | ||
819 | out = find_nearest(val, pwmfreq_table, ARRAY_SIZE(pwmfreq_table)); | |
820 | ||
821 | mutex_lock(&data->lock); | |
822 | ||
823 | data->range[sattr->index] = | |
824 | adt7475_read(TEMP_TRANGE_REG(sattr->index)); | |
825 | data->range[sattr->index] &= ~7; | |
826 | data->range[sattr->index] |= out; | |
827 | ||
828 | i2c_smbus_write_byte_data(client, TEMP_TRANGE_REG(sattr->index), | |
829 | data->range[sattr->index]); | |
830 | ||
831 | mutex_unlock(&data->lock); | |
832 | return count; | |
833 | } | |
834 | ||
f99318b2 JD |
835 | static ssize_t show_pwm_at_crit(struct device *dev, |
836 | struct device_attribute *devattr, char *buf) | |
837 | { | |
838 | struct adt7475_data *data = adt7475_update_device(dev); | |
839 | return sprintf(buf, "%d\n", !!(data->config4 & CONFIG4_MAXDUTY)); | |
840 | } | |
841 | ||
842 | static ssize_t set_pwm_at_crit(struct device *dev, | |
843 | struct device_attribute *devattr, | |
844 | const char *buf, size_t count) | |
845 | { | |
846 | struct i2c_client *client = to_i2c_client(dev); | |
847 | struct adt7475_data *data = i2c_get_clientdata(client); | |
848 | long val; | |
849 | ||
850 | if (strict_strtol(buf, 10, &val)) | |
851 | return -EINVAL; | |
852 | if (val != 0 && val != 1) | |
853 | return -EINVAL; | |
854 | ||
855 | mutex_lock(&data->lock); | |
856 | data->config4 = i2c_smbus_read_byte_data(client, REG_CONFIG4); | |
857 | if (val) | |
858 | data->config4 |= CONFIG4_MAXDUTY; | |
859 | else | |
860 | data->config4 &= ~CONFIG4_MAXDUTY; | |
861 | i2c_smbus_write_byte_data(client, REG_CONFIG4, data->config4); | |
862 | mutex_unlock(&data->lock); | |
863 | ||
864 | return count; | |
865 | } | |
866 | ||
3d849981 JD |
867 | static SENSOR_DEVICE_ATTR_2(in0_input, S_IRUGO, show_voltage, NULL, INPUT, 0); |
868 | static SENSOR_DEVICE_ATTR_2(in0_max, S_IRUGO | S_IWUSR, show_voltage, | |
869 | set_voltage, MAX, 0); | |
870 | static SENSOR_DEVICE_ATTR_2(in0_min, S_IRUGO | S_IWUSR, show_voltage, | |
871 | set_voltage, MIN, 0); | |
872 | static SENSOR_DEVICE_ATTR_2(in0_alarm, S_IRUGO, show_voltage, NULL, ALARM, 0); | |
cffb9dd0 | 873 | static SENSOR_DEVICE_ATTR_2(in1_input, S_IRUGO, show_voltage, NULL, INPUT, 1); |
1c301fc5 | 874 | static SENSOR_DEVICE_ATTR_2(in1_max, S_IRUGO | S_IWUSR, show_voltage, |
cffb9dd0 | 875 | set_voltage, MAX, 1); |
1c301fc5 | 876 | static SENSOR_DEVICE_ATTR_2(in1_min, S_IRUGO | S_IWUSR, show_voltage, |
cffb9dd0 JD |
877 | set_voltage, MIN, 1); |
878 | static SENSOR_DEVICE_ATTR_2(in1_alarm, S_IRUGO, show_voltage, NULL, ALARM, 1); | |
879 | static SENSOR_DEVICE_ATTR_2(in2_input, S_IRUGO, show_voltage, NULL, INPUT, 2); | |
1c301fc5 | 880 | static SENSOR_DEVICE_ATTR_2(in2_max, S_IRUGO | S_IWUSR, show_voltage, |
cffb9dd0 | 881 | set_voltage, MAX, 2); |
1c301fc5 | 882 | static SENSOR_DEVICE_ATTR_2(in2_min, S_IRUGO | S_IWUSR, show_voltage, |
cffb9dd0 JD |
883 | set_voltage, MIN, 2); |
884 | static SENSOR_DEVICE_ATTR_2(in2_alarm, S_IRUGO, show_voltage, NULL, ALARM, 2); | |
3d849981 JD |
885 | static SENSOR_DEVICE_ATTR_2(in3_input, S_IRUGO, show_voltage, NULL, INPUT, 3); |
886 | static SENSOR_DEVICE_ATTR_2(in3_max, S_IRUGO | S_IWUSR, show_voltage, | |
887 | set_voltage, MAX, 3); | |
888 | static SENSOR_DEVICE_ATTR_2(in3_min, S_IRUGO | S_IWUSR, show_voltage, | |
889 | set_voltage, MIN, 3); | |
890 | static SENSOR_DEVICE_ATTR_2(in3_alarm, S_IRUGO, show_voltage, NULL, ALARM, 3); | |
891 | static SENSOR_DEVICE_ATTR_2(in4_input, S_IRUGO, show_voltage, NULL, INPUT, 4); | |
892 | static SENSOR_DEVICE_ATTR_2(in4_max, S_IRUGO | S_IWUSR, show_voltage, | |
893 | set_voltage, MAX, 4); | |
894 | static SENSOR_DEVICE_ATTR_2(in4_min, S_IRUGO | S_IWUSR, show_voltage, | |
895 | set_voltage, MIN, 4); | |
896 | static SENSOR_DEVICE_ATTR_2(in4_alarm, S_IRUGO, show_voltage, NULL, ALARM, 8); | |
897 | static SENSOR_DEVICE_ATTR_2(in5_input, S_IRUGO, show_voltage, NULL, INPUT, 5); | |
898 | static SENSOR_DEVICE_ATTR_2(in5_max, S_IRUGO | S_IWUSR, show_voltage, | |
899 | set_voltage, MAX, 5); | |
900 | static SENSOR_DEVICE_ATTR_2(in5_min, S_IRUGO | S_IWUSR, show_voltage, | |
901 | set_voltage, MIN, 5); | |
902 | static SENSOR_DEVICE_ATTR_2(in5_alarm, S_IRUGO, show_voltage, NULL, ALARM, 31); | |
1c301fc5 JC |
903 | static SENSOR_DEVICE_ATTR_2(temp1_input, S_IRUGO, show_temp, NULL, INPUT, 0); |
904 | static SENSOR_DEVICE_ATTR_2(temp1_alarm, S_IRUGO, show_temp, NULL, ALARM, 0); | |
905 | static SENSOR_DEVICE_ATTR_2(temp1_fault, S_IRUGO, show_temp, NULL, FAULT, 0); | |
906 | static SENSOR_DEVICE_ATTR_2(temp1_max, S_IRUGO | S_IWUSR, show_temp, set_temp, | |
907 | MAX, 0); | |
908 | static SENSOR_DEVICE_ATTR_2(temp1_min, S_IRUGO | S_IWUSR, show_temp, set_temp, | |
909 | MIN, 0); | |
910 | static SENSOR_DEVICE_ATTR_2(temp1_offset, S_IRUGO | S_IWUSR, show_temp, | |
911 | set_temp, OFFSET, 0); | |
912 | static SENSOR_DEVICE_ATTR_2(temp1_auto_point1_temp, S_IRUGO | S_IWUSR, | |
913 | show_temp, set_temp, AUTOMIN, 0); | |
914 | static SENSOR_DEVICE_ATTR_2(temp1_auto_point2_temp, S_IRUGO | S_IWUSR, | |
915 | show_point2, set_point2, 0, 0); | |
916 | static SENSOR_DEVICE_ATTR_2(temp1_crit, S_IRUGO | S_IWUSR, show_temp, set_temp, | |
917 | THERM, 0); | |
918 | static SENSOR_DEVICE_ATTR_2(temp1_crit_hyst, S_IRUGO | S_IWUSR, show_temp, | |
919 | set_temp, HYSTERSIS, 0); | |
920 | static SENSOR_DEVICE_ATTR_2(temp2_input, S_IRUGO, show_temp, NULL, INPUT, 1); | |
921 | static SENSOR_DEVICE_ATTR_2(temp2_alarm, S_IRUGO, show_temp, NULL, ALARM, 1); | |
922 | static SENSOR_DEVICE_ATTR_2(temp2_max, S_IRUGO | S_IWUSR, show_temp, set_temp, | |
923 | MAX, 1); | |
924 | static SENSOR_DEVICE_ATTR_2(temp2_min, S_IRUGO | S_IWUSR, show_temp, set_temp, | |
925 | MIN, 1); | |
926 | static SENSOR_DEVICE_ATTR_2(temp2_offset, S_IRUGO | S_IWUSR, show_temp, | |
927 | set_temp, OFFSET, 1); | |
928 | static SENSOR_DEVICE_ATTR_2(temp2_auto_point1_temp, S_IRUGO | S_IWUSR, | |
929 | show_temp, set_temp, AUTOMIN, 1); | |
930 | static SENSOR_DEVICE_ATTR_2(temp2_auto_point2_temp, S_IRUGO | S_IWUSR, | |
931 | show_point2, set_point2, 0, 1); | |
932 | static SENSOR_DEVICE_ATTR_2(temp2_crit, S_IRUGO | S_IWUSR, show_temp, set_temp, | |
933 | THERM, 1); | |
934 | static SENSOR_DEVICE_ATTR_2(temp2_crit_hyst, S_IRUGO | S_IWUSR, show_temp, | |
935 | set_temp, HYSTERSIS, 1); | |
936 | static SENSOR_DEVICE_ATTR_2(temp3_input, S_IRUGO, show_temp, NULL, INPUT, 2); | |
937 | static SENSOR_DEVICE_ATTR_2(temp3_alarm, S_IRUGO, show_temp, NULL, ALARM, 2); | |
938 | static SENSOR_DEVICE_ATTR_2(temp3_fault, S_IRUGO, show_temp, NULL, FAULT, 2); | |
939 | static SENSOR_DEVICE_ATTR_2(temp3_max, S_IRUGO | S_IWUSR, show_temp, set_temp, | |
940 | MAX, 2); | |
941 | static SENSOR_DEVICE_ATTR_2(temp3_min, S_IRUGO | S_IWUSR, show_temp, set_temp, | |
942 | MIN, 2); | |
943 | static SENSOR_DEVICE_ATTR_2(temp3_offset, S_IRUGO | S_IWUSR, show_temp, | |
944 | set_temp, OFFSET, 2); | |
945 | static SENSOR_DEVICE_ATTR_2(temp3_auto_point1_temp, S_IRUGO | S_IWUSR, | |
946 | show_temp, set_temp, AUTOMIN, 2); | |
947 | static SENSOR_DEVICE_ATTR_2(temp3_auto_point2_temp, S_IRUGO | S_IWUSR, | |
948 | show_point2, set_point2, 0, 2); | |
949 | static SENSOR_DEVICE_ATTR_2(temp3_crit, S_IRUGO | S_IWUSR, show_temp, set_temp, | |
950 | THERM, 2); | |
951 | static SENSOR_DEVICE_ATTR_2(temp3_crit_hyst, S_IRUGO | S_IWUSR, show_temp, | |
952 | set_temp, HYSTERSIS, 2); | |
953 | static SENSOR_DEVICE_ATTR_2(fan1_input, S_IRUGO, show_tach, NULL, INPUT, 0); | |
954 | static SENSOR_DEVICE_ATTR_2(fan1_min, S_IRUGO | S_IWUSR, show_tach, set_tach, | |
955 | MIN, 0); | |
956 | static SENSOR_DEVICE_ATTR_2(fan1_alarm, S_IRUGO, show_tach, NULL, ALARM, 0); | |
957 | static SENSOR_DEVICE_ATTR_2(fan2_input, S_IRUGO, show_tach, NULL, INPUT, 1); | |
958 | static SENSOR_DEVICE_ATTR_2(fan2_min, S_IRUGO | S_IWUSR, show_tach, set_tach, | |
959 | MIN, 1); | |
960 | static SENSOR_DEVICE_ATTR_2(fan2_alarm, S_IRUGO, show_tach, NULL, ALARM, 1); | |
961 | static SENSOR_DEVICE_ATTR_2(fan3_input, S_IRUGO, show_tach, NULL, INPUT, 2); | |
962 | static SENSOR_DEVICE_ATTR_2(fan3_min, S_IRUGO | S_IWUSR, show_tach, set_tach, | |
963 | MIN, 2); | |
964 | static SENSOR_DEVICE_ATTR_2(fan3_alarm, S_IRUGO, show_tach, NULL, ALARM, 2); | |
965 | static SENSOR_DEVICE_ATTR_2(fan4_input, S_IRUGO, show_tach, NULL, INPUT, 3); | |
966 | static SENSOR_DEVICE_ATTR_2(fan4_min, S_IRUGO | S_IWUSR, show_tach, set_tach, | |
967 | MIN, 3); | |
968 | static SENSOR_DEVICE_ATTR_2(fan4_alarm, S_IRUGO, show_tach, NULL, ALARM, 3); | |
969 | static SENSOR_DEVICE_ATTR_2(pwm1, S_IRUGO | S_IWUSR, show_pwm, set_pwm, INPUT, | |
970 | 0); | |
971 | static SENSOR_DEVICE_ATTR_2(pwm1_freq, S_IRUGO | S_IWUSR, show_pwmfreq, | |
972 | set_pwmfreq, INPUT, 0); | |
973 | static SENSOR_DEVICE_ATTR_2(pwm1_enable, S_IRUGO | S_IWUSR, show_pwmctrl, | |
974 | set_pwmctrl, INPUT, 0); | |
84d2a314 | 975 | static SENSOR_DEVICE_ATTR_2(pwm1_auto_channels_temp, S_IRUGO | S_IWUSR, |
1c301fc5 JC |
976 | show_pwmchan, set_pwmchan, INPUT, 0); |
977 | static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_pwm, S_IRUGO | S_IWUSR, show_pwm, | |
978 | set_pwm, MIN, 0); | |
979 | static SENSOR_DEVICE_ATTR_2(pwm1_auto_point2_pwm, S_IRUGO | S_IWUSR, show_pwm, | |
980 | set_pwm, MAX, 0); | |
981 | static SENSOR_DEVICE_ATTR_2(pwm2, S_IRUGO | S_IWUSR, show_pwm, set_pwm, INPUT, | |
982 | 1); | |
983 | static SENSOR_DEVICE_ATTR_2(pwm2_freq, S_IRUGO | S_IWUSR, show_pwmfreq, | |
984 | set_pwmfreq, INPUT, 1); | |
985 | static SENSOR_DEVICE_ATTR_2(pwm2_enable, S_IRUGO | S_IWUSR, show_pwmctrl, | |
986 | set_pwmctrl, INPUT, 1); | |
84d2a314 | 987 | static SENSOR_DEVICE_ATTR_2(pwm2_auto_channels_temp, S_IRUGO | S_IWUSR, |
1c301fc5 JC |
988 | show_pwmchan, set_pwmchan, INPUT, 1); |
989 | static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_pwm, S_IRUGO | S_IWUSR, show_pwm, | |
990 | set_pwm, MIN, 1); | |
991 | static SENSOR_DEVICE_ATTR_2(pwm2_auto_point2_pwm, S_IRUGO | S_IWUSR, show_pwm, | |
992 | set_pwm, MAX, 1); | |
993 | static SENSOR_DEVICE_ATTR_2(pwm3, S_IRUGO | S_IWUSR, show_pwm, set_pwm, INPUT, | |
994 | 2); | |
995 | static SENSOR_DEVICE_ATTR_2(pwm3_freq, S_IRUGO | S_IWUSR, show_pwmfreq, | |
996 | set_pwmfreq, INPUT, 2); | |
997 | static SENSOR_DEVICE_ATTR_2(pwm3_enable, S_IRUGO | S_IWUSR, show_pwmctrl, | |
998 | set_pwmctrl, INPUT, 2); | |
84d2a314 | 999 | static SENSOR_DEVICE_ATTR_2(pwm3_auto_channels_temp, S_IRUGO | S_IWUSR, |
1c301fc5 JC |
1000 | show_pwmchan, set_pwmchan, INPUT, 2); |
1001 | static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_pwm, S_IRUGO | S_IWUSR, show_pwm, | |
1002 | set_pwm, MIN, 2); | |
1003 | static SENSOR_DEVICE_ATTR_2(pwm3_auto_point2_pwm, S_IRUGO | S_IWUSR, show_pwm, | |
1004 | set_pwm, MAX, 2); | |
1005 | ||
f99318b2 JD |
1006 | /* Non-standard name, might need revisiting */ |
1007 | static DEVICE_ATTR(pwm_use_point2_pwm_at_crit, S_IWUSR | S_IRUGO, | |
1008 | show_pwm_at_crit, set_pwm_at_crit); | |
1009 | ||
1c301fc5 JC |
1010 | static struct attribute *adt7475_attrs[] = { |
1011 | &sensor_dev_attr_in1_input.dev_attr.attr, | |
1012 | &sensor_dev_attr_in1_max.dev_attr.attr, | |
1013 | &sensor_dev_attr_in1_min.dev_attr.attr, | |
1014 | &sensor_dev_attr_in1_alarm.dev_attr.attr, | |
1015 | &sensor_dev_attr_in2_input.dev_attr.attr, | |
1016 | &sensor_dev_attr_in2_max.dev_attr.attr, | |
1017 | &sensor_dev_attr_in2_min.dev_attr.attr, | |
1018 | &sensor_dev_attr_in2_alarm.dev_attr.attr, | |
1019 | &sensor_dev_attr_temp1_input.dev_attr.attr, | |
1020 | &sensor_dev_attr_temp1_alarm.dev_attr.attr, | |
1021 | &sensor_dev_attr_temp1_fault.dev_attr.attr, | |
1022 | &sensor_dev_attr_temp1_max.dev_attr.attr, | |
1023 | &sensor_dev_attr_temp1_min.dev_attr.attr, | |
1024 | &sensor_dev_attr_temp1_offset.dev_attr.attr, | |
1025 | &sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr, | |
1026 | &sensor_dev_attr_temp1_auto_point2_temp.dev_attr.attr, | |
1027 | &sensor_dev_attr_temp1_crit.dev_attr.attr, | |
1028 | &sensor_dev_attr_temp1_crit_hyst.dev_attr.attr, | |
1029 | &sensor_dev_attr_temp2_input.dev_attr.attr, | |
1030 | &sensor_dev_attr_temp2_alarm.dev_attr.attr, | |
1031 | &sensor_dev_attr_temp2_max.dev_attr.attr, | |
1032 | &sensor_dev_attr_temp2_min.dev_attr.attr, | |
1033 | &sensor_dev_attr_temp2_offset.dev_attr.attr, | |
1034 | &sensor_dev_attr_temp2_auto_point1_temp.dev_attr.attr, | |
1035 | &sensor_dev_attr_temp2_auto_point2_temp.dev_attr.attr, | |
1036 | &sensor_dev_attr_temp2_crit.dev_attr.attr, | |
1037 | &sensor_dev_attr_temp2_crit_hyst.dev_attr.attr, | |
1038 | &sensor_dev_attr_temp3_input.dev_attr.attr, | |
1039 | &sensor_dev_attr_temp3_fault.dev_attr.attr, | |
1040 | &sensor_dev_attr_temp3_alarm.dev_attr.attr, | |
1041 | &sensor_dev_attr_temp3_max.dev_attr.attr, | |
1042 | &sensor_dev_attr_temp3_min.dev_attr.attr, | |
1043 | &sensor_dev_attr_temp3_offset.dev_attr.attr, | |
1044 | &sensor_dev_attr_temp3_auto_point1_temp.dev_attr.attr, | |
1045 | &sensor_dev_attr_temp3_auto_point2_temp.dev_attr.attr, | |
1046 | &sensor_dev_attr_temp3_crit.dev_attr.attr, | |
1047 | &sensor_dev_attr_temp3_crit_hyst.dev_attr.attr, | |
1048 | &sensor_dev_attr_fan1_input.dev_attr.attr, | |
1049 | &sensor_dev_attr_fan1_min.dev_attr.attr, | |
1050 | &sensor_dev_attr_fan1_alarm.dev_attr.attr, | |
1051 | &sensor_dev_attr_fan2_input.dev_attr.attr, | |
1052 | &sensor_dev_attr_fan2_min.dev_attr.attr, | |
1053 | &sensor_dev_attr_fan2_alarm.dev_attr.attr, | |
1054 | &sensor_dev_attr_fan3_input.dev_attr.attr, | |
1055 | &sensor_dev_attr_fan3_min.dev_attr.attr, | |
1056 | &sensor_dev_attr_fan3_alarm.dev_attr.attr, | |
1c301fc5 JC |
1057 | &sensor_dev_attr_pwm1.dev_attr.attr, |
1058 | &sensor_dev_attr_pwm1_freq.dev_attr.attr, | |
1059 | &sensor_dev_attr_pwm1_enable.dev_attr.attr, | |
84d2a314 | 1060 | &sensor_dev_attr_pwm1_auto_channels_temp.dev_attr.attr, |
1c301fc5 JC |
1061 | &sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr, |
1062 | &sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr, | |
1c301fc5 JC |
1063 | &sensor_dev_attr_pwm3.dev_attr.attr, |
1064 | &sensor_dev_attr_pwm3_freq.dev_attr.attr, | |
1065 | &sensor_dev_attr_pwm3_enable.dev_attr.attr, | |
84d2a314 | 1066 | &sensor_dev_attr_pwm3_auto_channels_temp.dev_attr.attr, |
1c301fc5 JC |
1067 | &sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr, |
1068 | &sensor_dev_attr_pwm3_auto_point2_pwm.dev_attr.attr, | |
f99318b2 | 1069 | &dev_attr_pwm_use_point2_pwm_at_crit.attr, |
1c301fc5 JC |
1070 | NULL, |
1071 | }; | |
1072 | ||
378933c9 JD |
1073 | static struct attribute *fan4_attrs[] = { |
1074 | &sensor_dev_attr_fan4_input.dev_attr.attr, | |
1075 | &sensor_dev_attr_fan4_min.dev_attr.attr, | |
1076 | &sensor_dev_attr_fan4_alarm.dev_attr.attr, | |
1077 | NULL | |
1078 | }; | |
1079 | ||
1080 | static struct attribute *pwm2_attrs[] = { | |
1081 | &sensor_dev_attr_pwm2.dev_attr.attr, | |
1082 | &sensor_dev_attr_pwm2_freq.dev_attr.attr, | |
1083 | &sensor_dev_attr_pwm2_enable.dev_attr.attr, | |
1084 | &sensor_dev_attr_pwm2_auto_channels_temp.dev_attr.attr, | |
1085 | &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr, | |
1086 | &sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr, | |
1087 | NULL | |
1088 | }; | |
1089 | ||
378933c9 | 1090 | static struct attribute *in0_attrs[] = { |
3d849981 JD |
1091 | &sensor_dev_attr_in0_input.dev_attr.attr, |
1092 | &sensor_dev_attr_in0_max.dev_attr.attr, | |
1093 | &sensor_dev_attr_in0_min.dev_attr.attr, | |
1094 | &sensor_dev_attr_in0_alarm.dev_attr.attr, | |
378933c9 JD |
1095 | NULL |
1096 | }; | |
1097 | ||
d8d2ee07 | 1098 | static struct attribute *in3_attrs[] = { |
3d849981 JD |
1099 | &sensor_dev_attr_in3_input.dev_attr.attr, |
1100 | &sensor_dev_attr_in3_max.dev_attr.attr, | |
1101 | &sensor_dev_attr_in3_min.dev_attr.attr, | |
1102 | &sensor_dev_attr_in3_alarm.dev_attr.attr, | |
d8d2ee07 JD |
1103 | NULL |
1104 | }; | |
1105 | ||
1106 | static struct attribute *in4_attrs[] = { | |
3d849981 JD |
1107 | &sensor_dev_attr_in4_input.dev_attr.attr, |
1108 | &sensor_dev_attr_in4_max.dev_attr.attr, | |
1109 | &sensor_dev_attr_in4_min.dev_attr.attr, | |
1110 | &sensor_dev_attr_in4_alarm.dev_attr.attr, | |
d8d2ee07 JD |
1111 | NULL |
1112 | }; | |
1113 | ||
1114 | static struct attribute *in5_attrs[] = { | |
3d849981 JD |
1115 | &sensor_dev_attr_in5_input.dev_attr.attr, |
1116 | &sensor_dev_attr_in5_max.dev_attr.attr, | |
1117 | &sensor_dev_attr_in5_min.dev_attr.attr, | |
1118 | &sensor_dev_attr_in5_alarm.dev_attr.attr, | |
1119 | NULL | |
1120 | }; | |
1121 | ||
54ecb9e3 | 1122 | static struct attribute_group adt7475_attr_group = { .attrs = adt7475_attrs }; |
378933c9 JD |
1123 | static struct attribute_group fan4_attr_group = { .attrs = fan4_attrs }; |
1124 | static struct attribute_group pwm2_attr_group = { .attrs = pwm2_attrs }; | |
1125 | static struct attribute_group in0_attr_group = { .attrs = in0_attrs }; | |
d8d2ee07 JD |
1126 | static struct attribute_group in3_attr_group = { .attrs = in3_attrs }; |
1127 | static struct attribute_group in4_attr_group = { .attrs = in4_attrs }; | |
1128 | static struct attribute_group in5_attr_group = { .attrs = in5_attrs }; | |
1c301fc5 JC |
1129 | |
1130 | static int adt7475_detect(struct i2c_client *client, int kind, | |
1131 | struct i2c_board_info *info) | |
1132 | { | |
1133 | struct i2c_adapter *adapter = client->adapter; | |
d656b6fd | 1134 | int vendid, devid, devid2; |
b180d050 | 1135 | const char *name; |
1c301fc5 JC |
1136 | |
1137 | if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) | |
1138 | return -ENODEV; | |
1139 | ||
b180d050 | 1140 | vendid = adt7475_read(REG_VENDID); |
d656b6fd JD |
1141 | devid2 = adt7475_read(REG_DEVID2); |
1142 | if (vendid != 0x41 || /* Analog Devices */ | |
1143 | (devid2 & 0xf8) != 0x68) | |
1144 | return -ENODEV; | |
b180d050 | 1145 | |
d656b6fd JD |
1146 | devid = adt7475_read(REG_DEVID); |
1147 | if (devid == 0x73) | |
b180d050 | 1148 | name = "adt7473"; |
d656b6fd | 1149 | else if (devid == 0x75 && client->addr == 0x2e) |
b180d050 | 1150 | name = "adt7475"; |
d8d2ee07 JD |
1151 | else if (devid == 0x76) |
1152 | name = "adt7476"; | |
3d849981 JD |
1153 | else if ((devid2 & 0xfc) == 0x6c) |
1154 | name = "adt7490"; | |
b180d050 JD |
1155 | else { |
1156 | dev_dbg(&adapter->dev, | |
d8d2ee07 | 1157 | "Couldn't detect an ADT7473/75/76/90 part at " |
b180d050 | 1158 | "0x%02x\n", (unsigned int)client->addr); |
52df6440 | 1159 | return -ENODEV; |
1c301fc5 JC |
1160 | } |
1161 | ||
b180d050 | 1162 | strlcpy(info->type, name, I2C_NAME_SIZE); |
1c301fc5 JC |
1163 | |
1164 | return 0; | |
1165 | } | |
1166 | ||
0f14480b JD |
1167 | static void adt7475_remove_files(struct i2c_client *client, |
1168 | struct adt7475_data *data) | |
1169 | { | |
1170 | sysfs_remove_group(&client->dev.kobj, &adt7475_attr_group); | |
378933c9 JD |
1171 | if (data->has_fan4) |
1172 | sysfs_remove_group(&client->dev.kobj, &fan4_attr_group); | |
1173 | if (data->has_pwm2) | |
1174 | sysfs_remove_group(&client->dev.kobj, &pwm2_attr_group); | |
1175 | if (data->has_voltage & (1 << 0)) | |
1176 | sysfs_remove_group(&client->dev.kobj, &in0_attr_group); | |
d8d2ee07 JD |
1177 | if (data->has_voltage & (1 << 3)) |
1178 | sysfs_remove_group(&client->dev.kobj, &in3_attr_group); | |
1179 | if (data->has_voltage & (1 << 4)) | |
1180 | sysfs_remove_group(&client->dev.kobj, &in4_attr_group); | |
1181 | if (data->has_voltage & (1 << 5)) | |
1182 | sysfs_remove_group(&client->dev.kobj, &in5_attr_group); | |
0f14480b JD |
1183 | } |
1184 | ||
1c301fc5 JC |
1185 | static int adt7475_probe(struct i2c_client *client, |
1186 | const struct i2c_device_id *id) | |
1187 | { | |
d07ca4ad JD |
1188 | static const char *names[] = { |
1189 | [adt7473] = "ADT7473", | |
1190 | [adt7475] = "ADT7475", | |
d8d2ee07 | 1191 | [adt7476] = "ADT7476", |
d07ca4ad JD |
1192 | [adt7490] = "ADT7490", |
1193 | }; | |
1194 | ||
1c301fc5 | 1195 | struct adt7475_data *data; |
378933c9 | 1196 | int i, ret = 0, revision; |
ebfaf1fb | 1197 | u8 config2, config3; |
1c301fc5 JC |
1198 | |
1199 | data = kzalloc(sizeof(*data), GFP_KERNEL); | |
1200 | if (data == NULL) | |
1201 | return -ENOMEM; | |
1202 | ||
1203 | mutex_init(&data->lock); | |
1204 | i2c_set_clientdata(client, data); | |
1205 | ||
cffb9dd0 JD |
1206 | /* Initialize device-specific values */ |
1207 | switch (id->driver_data) { | |
d8d2ee07 JD |
1208 | case adt7476: |
1209 | data->has_voltage = 0x0e; /* in1 to in3 */ | |
1210 | revision = adt7475_read(REG_DEVID2) & 0x07; | |
1211 | break; | |
3d849981 | 1212 | case adt7490: |
378933c9 JD |
1213 | data->has_voltage = 0x3e; /* in1 to in5 */ |
1214 | revision = adt7475_read(REG_DEVID2) & 0x03; | |
d07ca4ad JD |
1215 | if (revision == 0x03) |
1216 | revision += adt7475_read(REG_DEVREV2); | |
3d849981 | 1217 | break; |
cffb9dd0 JD |
1218 | default: |
1219 | data->has_voltage = 0x06; /* in1, in2 */ | |
378933c9 JD |
1220 | revision = adt7475_read(REG_DEVID2) & 0x07; |
1221 | } | |
1222 | ||
1223 | config3 = adt7475_read(REG_CONFIG3); | |
1224 | /* Pin PWM2 may alternatively be used for ALERT output */ | |
1225 | if (!(config3 & CONFIG3_SMBALERT)) | |
1226 | data->has_pwm2 = 1; | |
1227 | /* Meaning of this bit is inverted for the ADT7473-1 */ | |
1228 | if (id->driver_data == adt7473 && revision >= 1) | |
1229 | data->has_pwm2 = !data->has_pwm2; | |
1230 | ||
1231 | data->config4 = adt7475_read(REG_CONFIG4); | |
1232 | /* Pin TACH4 may alternatively be used for THERM */ | |
1233 | if ((data->config4 & CONFIG4_PINFUNC) == 0x0) | |
1234 | data->has_fan4 = 1; | |
1235 | ||
d8d2ee07 JD |
1236 | /* THERM configuration is more complex on the ADT7476 and ADT7490, |
1237 | because 2 different pins (TACH4 and +2.5 Vin) can be used for | |
1238 | this function */ | |
378933c9 JD |
1239 | if (id->driver_data == adt7490) { |
1240 | if ((data->config4 & CONFIG4_PINFUNC) == 0x1 && | |
1241 | !(config3 & CONFIG3_THERM)) | |
1242 | data->has_fan4 = 1; | |
d8d2ee07 JD |
1243 | } |
1244 | if (id->driver_data == adt7476 || id->driver_data == adt7490) { | |
378933c9 JD |
1245 | if (!(config3 & CONFIG3_THERM) || |
1246 | (data->config4 & CONFIG4_PINFUNC) == 0x1) | |
1247 | data->has_voltage |= (1 << 0); /* in0 */ | |
cffb9dd0 JD |
1248 | } |
1249 | ||
d8d2ee07 JD |
1250 | /* On the ADT7476, the +12V input pin may instead be used as VID5 */ |
1251 | if (id->driver_data == adt7476) { | |
1252 | u8 vid = adt7475_read(REG_VID); | |
1253 | if (!(vid & VID_VIDSEL)) | |
1254 | data->has_voltage |= (1 << 4); /* in4 */ | |
1255 | } | |
1256 | ||
ebfaf1fb JD |
1257 | /* Voltage attenuators can be bypassed, globally or individually */ |
1258 | config2 = adt7475_read(REG_CONFIG2); | |
1259 | if (config2 & CONFIG2_ATTN) { | |
1260 | data->bypass_attn = (0x3 << 3) | 0x3; | |
1261 | } else { | |
1262 | data->bypass_attn = ((data->config4 & CONFIG4_ATTN_IN10) >> 4) | | |
1263 | ((data->config4 & CONFIG4_ATTN_IN43) >> 3); | |
1264 | } | |
1265 | data->bypass_attn &= data->has_voltage; | |
1266 | ||
1c301fc5 JC |
1267 | /* Call adt7475_read_pwm for all pwm's as this will reprogram any |
1268 | pwm's which are disabled to manual mode with 0% duty cycle */ | |
1269 | for (i = 0; i < ADT7475_PWM_COUNT; i++) | |
1270 | adt7475_read_pwm(client, i); | |
1271 | ||
1272 | ret = sysfs_create_group(&client->dev.kobj, &adt7475_attr_group); | |
1273 | if (ret) | |
1274 | goto efree; | |
1275 | ||
378933c9 JD |
1276 | /* Features that can be disabled individually */ |
1277 | if (data->has_fan4) { | |
1278 | ret = sysfs_create_group(&client->dev.kobj, &fan4_attr_group); | |
1279 | if (ret) | |
1280 | goto eremove; | |
1281 | } | |
1282 | if (data->has_pwm2) { | |
1283 | ret = sysfs_create_group(&client->dev.kobj, &pwm2_attr_group); | |
1284 | if (ret) | |
1285 | goto eremove; | |
1286 | } | |
1287 | if (data->has_voltage & (1 << 0)) { | |
1288 | ret = sysfs_create_group(&client->dev.kobj, &in0_attr_group); | |
1289 | if (ret) | |
1290 | goto eremove; | |
1291 | } | |
d8d2ee07 JD |
1292 | if (data->has_voltage & (1 << 3)) { |
1293 | ret = sysfs_create_group(&client->dev.kobj, &in3_attr_group); | |
1294 | if (ret) | |
1295 | goto eremove; | |
1296 | } | |
1297 | if (data->has_voltage & (1 << 4)) { | |
1298 | ret = sysfs_create_group(&client->dev.kobj, &in4_attr_group); | |
1299 | if (ret) | |
1300 | goto eremove; | |
1301 | } | |
1302 | if (data->has_voltage & (1 << 5)) { | |
1303 | ret = sysfs_create_group(&client->dev.kobj, &in5_attr_group); | |
1304 | if (ret) | |
1305 | goto eremove; | |
1306 | } | |
378933c9 | 1307 | |
1c301fc5 JC |
1308 | data->hwmon_dev = hwmon_device_register(&client->dev); |
1309 | if (IS_ERR(data->hwmon_dev)) { | |
1310 | ret = PTR_ERR(data->hwmon_dev); | |
1311 | goto eremove; | |
1312 | } | |
1313 | ||
d07ca4ad JD |
1314 | dev_info(&client->dev, "%s device, revision %d\n", |
1315 | names[id->driver_data], revision); | |
d8d2ee07 JD |
1316 | if ((data->has_voltage & 0x11) || data->has_fan4 || data->has_pwm2) |
1317 | dev_info(&client->dev, "Optional features:%s%s%s%s\n", | |
d07ca4ad | 1318 | (data->has_voltage & (1 << 0)) ? " in0" : "", |
d8d2ee07 | 1319 | (data->has_voltage & (1 << 4)) ? " in4" : "", |
d07ca4ad JD |
1320 | data->has_fan4 ? " fan4" : "", |
1321 | data->has_pwm2 ? " pwm2" : ""); | |
ebfaf1fb JD |
1322 | if (data->bypass_attn) |
1323 | dev_info(&client->dev, "Bypassing attenuators on:%s%s%s%s\n", | |
1324 | (data->bypass_attn & (1 << 0)) ? " in0" : "", | |
1325 | (data->bypass_attn & (1 << 1)) ? " in1" : "", | |
1326 | (data->bypass_attn & (1 << 3)) ? " in3" : "", | |
1327 | (data->bypass_attn & (1 << 4)) ? " in4" : ""); | |
d07ca4ad | 1328 | |
1c301fc5 JC |
1329 | return 0; |
1330 | ||
1331 | eremove: | |
0f14480b | 1332 | adt7475_remove_files(client, data); |
1c301fc5 JC |
1333 | efree: |
1334 | kfree(data); | |
1335 | return ret; | |
1336 | } | |
1337 | ||
1338 | static int adt7475_remove(struct i2c_client *client) | |
1339 | { | |
1340 | struct adt7475_data *data = i2c_get_clientdata(client); | |
1341 | ||
1342 | hwmon_device_unregister(data->hwmon_dev); | |
0f14480b | 1343 | adt7475_remove_files(client, data); |
1c301fc5 JC |
1344 | kfree(data); |
1345 | ||
1346 | return 0; | |
1347 | } | |
1348 | ||
1349 | static struct i2c_driver adt7475_driver = { | |
1350 | .class = I2C_CLASS_HWMON, | |
1351 | .driver = { | |
1352 | .name = "adt7475", | |
1353 | }, | |
1354 | .probe = adt7475_probe, | |
1355 | .remove = adt7475_remove, | |
1356 | .id_table = adt7475_id, | |
1357 | .detect = adt7475_detect, | |
1358 | .address_data = &addr_data, | |
1359 | }; | |
1360 | ||
1361 | static void adt7475_read_hystersis(struct i2c_client *client) | |
1362 | { | |
1363 | struct adt7475_data *data = i2c_get_clientdata(client); | |
1364 | ||
1365 | data->temp[HYSTERSIS][0] = (u16) adt7475_read(REG_REMOTE1_HYSTERSIS); | |
1366 | data->temp[HYSTERSIS][1] = data->temp[HYSTERSIS][0]; | |
1367 | data->temp[HYSTERSIS][2] = (u16) adt7475_read(REG_REMOTE2_HYSTERSIS); | |
1368 | } | |
1369 | ||
1370 | static void adt7475_read_pwm(struct i2c_client *client, int index) | |
1371 | { | |
1372 | struct adt7475_data *data = i2c_get_clientdata(client); | |
1373 | unsigned int v; | |
1374 | ||
1375 | data->pwm[CONTROL][index] = adt7475_read(PWM_CONFIG_REG(index)); | |
1376 | ||
1377 | /* Figure out the internal value for pwmctrl and pwmchan | |
1378 | based on the current settings */ | |
1379 | v = (data->pwm[CONTROL][index] >> 5) & 7; | |
1380 | ||
1381 | if (v == 3) | |
1382 | data->pwmctl[index] = 0; | |
1383 | else if (v == 7) | |
1384 | data->pwmctl[index] = 1; | |
1385 | else if (v == 4) { | |
1386 | /* The fan is disabled - we don't want to | |
1387 | support that, so change to manual mode and | |
1388 | set the duty cycle to 0 instead | |
1389 | */ | |
1390 | data->pwm[INPUT][index] = 0; | |
1391 | data->pwm[CONTROL][index] &= ~0xE0; | |
1392 | data->pwm[CONTROL][index] |= (7 << 5); | |
1393 | ||
1394 | i2c_smbus_write_byte_data(client, PWM_CONFIG_REG(index), | |
1395 | data->pwm[INPUT][index]); | |
1396 | ||
1397 | i2c_smbus_write_byte_data(client, PWM_CONFIG_REG(index), | |
1398 | data->pwm[CONTROL][index]); | |
1399 | ||
1400 | data->pwmctl[index] = 1; | |
1401 | } else { | |
1402 | data->pwmctl[index] = 2; | |
1403 | ||
1404 | switch (v) { | |
1405 | case 0: | |
1406 | data->pwmchan[index] = 1; | |
1407 | break; | |
1408 | case 1: | |
1409 | data->pwmchan[index] = 2; | |
1410 | break; | |
1411 | case 2: | |
1412 | data->pwmchan[index] = 4; | |
1413 | break; | |
1414 | case 5: | |
1415 | data->pwmchan[index] = 6; | |
1416 | break; | |
1417 | case 6: | |
1418 | data->pwmchan[index] = 7; | |
1419 | break; | |
1420 | } | |
1421 | } | |
1422 | } | |
1423 | ||
1424 | static struct adt7475_data *adt7475_update_device(struct device *dev) | |
1425 | { | |
1426 | struct i2c_client *client = to_i2c_client(dev); | |
1427 | struct adt7475_data *data = i2c_get_clientdata(client); | |
3d849981 | 1428 | u16 ext; |
1c301fc5 JC |
1429 | int i; |
1430 | ||
1431 | mutex_lock(&data->lock); | |
1432 | ||
1433 | /* Measurement values update every 2 seconds */ | |
1434 | if (time_after(jiffies, data->measure_updated + HZ * 2) || | |
1435 | !data->valid) { | |
1436 | data->alarms = adt7475_read(REG_STATUS2) << 8; | |
1437 | data->alarms |= adt7475_read(REG_STATUS1); | |
1438 | ||
3d849981 JD |
1439 | ext = (adt7475_read(REG_EXTEND2) << 8) | |
1440 | adt7475_read(REG_EXTEND1); | |
cffb9dd0 JD |
1441 | for (i = 0; i < ADT7475_VOLTAGE_COUNT; i++) { |
1442 | if (!(data->has_voltage & (1 << i))) | |
1443 | continue; | |
1c301fc5 JC |
1444 | data->voltage[INPUT][i] = |
1445 | (adt7475_read(VOLTAGE_REG(i)) << 2) | | |
cffb9dd0 JD |
1446 | ((ext >> (i * 2)) & 3); |
1447 | } | |
1c301fc5 | 1448 | |
1c301fc5 JC |
1449 | for (i = 0; i < ADT7475_TEMP_COUNT; i++) |
1450 | data->temp[INPUT][i] = | |
1451 | (adt7475_read(TEMP_REG(i)) << 2) | | |
3d849981 JD |
1452 | ((ext >> ((i + 5) * 2)) & 3); |
1453 | ||
1454 | if (data->has_voltage & (1 << 5)) { | |
1455 | data->alarms |= adt7475_read(REG_STATUS4) << 24; | |
1456 | ext = adt7475_read(REG_EXTEND3); | |
1457 | data->voltage[INPUT][5] = adt7475_read(REG_VTT) << 2 | | |
1458 | ((ext >> 4) & 3); | |
1459 | } | |
1c301fc5 | 1460 | |
378933c9 JD |
1461 | for (i = 0; i < ADT7475_TACH_COUNT; i++) { |
1462 | if (i == 3 && !data->has_fan4) | |
1463 | continue; | |
1c301fc5 JC |
1464 | data->tach[INPUT][i] = |
1465 | adt7475_read_word(client, TACH_REG(i)); | |
378933c9 | 1466 | } |
1c301fc5 JC |
1467 | |
1468 | /* Updated by hw when in auto mode */ | |
378933c9 JD |
1469 | for (i = 0; i < ADT7475_PWM_COUNT; i++) { |
1470 | if (i == 1 && !data->has_pwm2) | |
1471 | continue; | |
1c301fc5 | 1472 | data->pwm[INPUT][i] = adt7475_read(PWM_REG(i)); |
378933c9 | 1473 | } |
1c301fc5 JC |
1474 | |
1475 | data->measure_updated = jiffies; | |
1476 | } | |
1477 | ||
1478 | /* Limits and settings, should never change update every 60 seconds */ | |
56e35eee | 1479 | if (time_after(jiffies, data->limits_updated + HZ * 60) || |
1c301fc5 | 1480 | !data->valid) { |
f99318b2 | 1481 | data->config4 = adt7475_read(REG_CONFIG4); |
1c301fc5 JC |
1482 | data->config5 = adt7475_read(REG_CONFIG5); |
1483 | ||
1484 | for (i = 0; i < ADT7475_VOLTAGE_COUNT; i++) { | |
cffb9dd0 JD |
1485 | if (!(data->has_voltage & (1 << i))) |
1486 | continue; | |
1c301fc5 JC |
1487 | /* Adjust values so they match the input precision */ |
1488 | data->voltage[MIN][i] = | |
1489 | adt7475_read(VOLTAGE_MIN_REG(i)) << 2; | |
1490 | data->voltage[MAX][i] = | |
1491 | adt7475_read(VOLTAGE_MAX_REG(i)) << 2; | |
1492 | } | |
1493 | ||
3d849981 JD |
1494 | if (data->has_voltage & (1 << 5)) { |
1495 | data->voltage[MIN][5] = adt7475_read(REG_VTT_MIN) << 2; | |
1496 | data->voltage[MAX][5] = adt7475_read(REG_VTT_MAX) << 2; | |
1497 | } | |
1498 | ||
1c301fc5 JC |
1499 | for (i = 0; i < ADT7475_TEMP_COUNT; i++) { |
1500 | /* Adjust values so they match the input precision */ | |
1501 | data->temp[MIN][i] = | |
1502 | adt7475_read(TEMP_MIN_REG(i)) << 2; | |
1503 | data->temp[MAX][i] = | |
1504 | adt7475_read(TEMP_MAX_REG(i)) << 2; | |
1505 | data->temp[AUTOMIN][i] = | |
1506 | adt7475_read(TEMP_TMIN_REG(i)) << 2; | |
1507 | data->temp[THERM][i] = | |
1508 | adt7475_read(TEMP_THERM_REG(i)) << 2; | |
1509 | data->temp[OFFSET][i] = | |
1510 | adt7475_read(TEMP_OFFSET_REG(i)); | |
1511 | } | |
1512 | adt7475_read_hystersis(client); | |
1513 | ||
378933c9 JD |
1514 | for (i = 0; i < ADT7475_TACH_COUNT; i++) { |
1515 | if (i == 3 && !data->has_fan4) | |
1516 | continue; | |
1c301fc5 JC |
1517 | data->tach[MIN][i] = |
1518 | adt7475_read_word(client, TACH_MIN_REG(i)); | |
378933c9 | 1519 | } |
1c301fc5 JC |
1520 | |
1521 | for (i = 0; i < ADT7475_PWM_COUNT; i++) { | |
378933c9 JD |
1522 | if (i == 1 && !data->has_pwm2) |
1523 | continue; | |
1c301fc5 JC |
1524 | data->pwm[MAX][i] = adt7475_read(PWM_MAX_REG(i)); |
1525 | data->pwm[MIN][i] = adt7475_read(PWM_MIN_REG(i)); | |
1526 | /* Set the channel and control information */ | |
1527 | adt7475_read_pwm(client, i); | |
1528 | } | |
1529 | ||
1530 | data->range[0] = adt7475_read(TEMP_TRANGE_REG(0)); | |
1531 | data->range[1] = adt7475_read(TEMP_TRANGE_REG(1)); | |
1532 | data->range[2] = adt7475_read(TEMP_TRANGE_REG(2)); | |
1533 | ||
1534 | data->limits_updated = jiffies; | |
1535 | data->valid = 1; | |
1536 | } | |
1537 | ||
1538 | mutex_unlock(&data->lock); | |
1539 | ||
1540 | return data; | |
1541 | } | |
1542 | ||
1543 | static int __init sensors_adt7475_init(void) | |
1544 | { | |
1545 | return i2c_add_driver(&adt7475_driver); | |
1546 | } | |
1547 | ||
1548 | static void __exit sensors_adt7475_exit(void) | |
1549 | { | |
1550 | i2c_del_driver(&adt7475_driver); | |
1551 | } | |
1552 | ||
1553 | MODULE_AUTHOR("Advanced Micro Devices, Inc"); | |
1554 | MODULE_DESCRIPTION("adt7475 driver"); | |
1555 | MODULE_LICENSE("GPL"); | |
1556 | ||
1557 | module_init(sensors_adt7475_init); | |
1558 | module_exit(sensors_adt7475_exit); |