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12#ifndef _HWMON_H_
13#define _HWMON_H_
14
15#include <linux/bitops.h>
16
17struct device;
18struct attribute_group;
19
20enum hwmon_sensor_types {
21 hwmon_chip,
22 hwmon_temp,
23 hwmon_in,
24 hwmon_curr,
25 hwmon_power,
26 hwmon_energy,
27 hwmon_humidity,
28 hwmon_fan,
29 hwmon_pwm,
30 hwmon_intrusion,
31 hwmon_max,
32};
33
34enum hwmon_chip_attributes {
35 hwmon_chip_temp_reset_history,
36 hwmon_chip_in_reset_history,
37 hwmon_chip_curr_reset_history,
38 hwmon_chip_power_reset_history,
39 hwmon_chip_register_tz,
40 hwmon_chip_update_interval,
41 hwmon_chip_alarms,
42 hwmon_chip_samples,
43 hwmon_chip_curr_samples,
44 hwmon_chip_in_samples,
45 hwmon_chip_power_samples,
46 hwmon_chip_temp_samples,
47};
48
49#define HWMON_C_TEMP_RESET_HISTORY BIT(hwmon_chip_temp_reset_history)
50#define HWMON_C_IN_RESET_HISTORY BIT(hwmon_chip_in_reset_history)
51#define HWMON_C_CURR_RESET_HISTORY BIT(hwmon_chip_curr_reset_history)
52#define HWMON_C_POWER_RESET_HISTORY BIT(hwmon_chip_power_reset_history)
53#define HWMON_C_REGISTER_TZ BIT(hwmon_chip_register_tz)
54#define HWMON_C_UPDATE_INTERVAL BIT(hwmon_chip_update_interval)
55#define HWMON_C_ALARMS BIT(hwmon_chip_alarms)
56#define HWMON_C_SAMPLES BIT(hwmon_chip_samples)
57#define HWMON_C_CURR_SAMPLES BIT(hwmon_chip_curr_samples)
58#define HWMON_C_IN_SAMPLES BIT(hwmon_chip_in_samples)
59#define HWMON_C_POWER_SAMPLES BIT(hwmon_chip_power_samples)
60#define HWMON_C_TEMP_SAMPLES BIT(hwmon_chip_temp_samples)
61
62enum hwmon_temp_attributes {
63 hwmon_temp_enable,
64 hwmon_temp_input,
65 hwmon_temp_type,
66 hwmon_temp_lcrit,
67 hwmon_temp_lcrit_hyst,
68 hwmon_temp_min,
69 hwmon_temp_min_hyst,
70 hwmon_temp_max,
71 hwmon_temp_max_hyst,
72 hwmon_temp_crit,
73 hwmon_temp_crit_hyst,
74 hwmon_temp_emergency,
75 hwmon_temp_emergency_hyst,
76 hwmon_temp_alarm,
77 hwmon_temp_lcrit_alarm,
78 hwmon_temp_min_alarm,
79 hwmon_temp_max_alarm,
80 hwmon_temp_crit_alarm,
81 hwmon_temp_emergency_alarm,
82 hwmon_temp_fault,
83 hwmon_temp_offset,
84 hwmon_temp_label,
85 hwmon_temp_lowest,
86 hwmon_temp_highest,
87 hwmon_temp_reset_history,
88 hwmon_temp_rated_min,
89 hwmon_temp_rated_max,
90};
91
92#define HWMON_T_ENABLE BIT(hwmon_temp_enable)
93#define HWMON_T_INPUT BIT(hwmon_temp_input)
94#define HWMON_T_TYPE BIT(hwmon_temp_type)
95#define HWMON_T_LCRIT BIT(hwmon_temp_lcrit)
96#define HWMON_T_LCRIT_HYST BIT(hwmon_temp_lcrit_hyst)
97#define HWMON_T_MIN BIT(hwmon_temp_min)
98#define HWMON_T_MIN_HYST BIT(hwmon_temp_min_hyst)
99#define HWMON_T_MAX BIT(hwmon_temp_max)
100#define HWMON_T_MAX_HYST BIT(hwmon_temp_max_hyst)
101#define HWMON_T_CRIT BIT(hwmon_temp_crit)
102#define HWMON_T_CRIT_HYST BIT(hwmon_temp_crit_hyst)
103#define HWMON_T_EMERGENCY BIT(hwmon_temp_emergency)
104#define HWMON_T_EMERGENCY_HYST BIT(hwmon_temp_emergency_hyst)
105#define HWMON_T_ALARM BIT(hwmon_temp_alarm)
106#define HWMON_T_MIN_ALARM BIT(hwmon_temp_min_alarm)
107#define HWMON_T_MAX_ALARM BIT(hwmon_temp_max_alarm)
108#define HWMON_T_CRIT_ALARM BIT(hwmon_temp_crit_alarm)
109#define HWMON_T_LCRIT_ALARM BIT(hwmon_temp_lcrit_alarm)
110#define HWMON_T_EMERGENCY_ALARM BIT(hwmon_temp_emergency_alarm)
111#define HWMON_T_FAULT BIT(hwmon_temp_fault)
112#define HWMON_T_OFFSET BIT(hwmon_temp_offset)
113#define HWMON_T_LABEL BIT(hwmon_temp_label)
114#define HWMON_T_LOWEST BIT(hwmon_temp_lowest)
115#define HWMON_T_HIGHEST BIT(hwmon_temp_highest)
116#define HWMON_T_RESET_HISTORY BIT(hwmon_temp_reset_history)
117#define HWMON_T_RATED_MIN BIT(hwmon_temp_rated_min)
118#define HWMON_T_RATED_MAX BIT(hwmon_temp_rated_max)
119
120enum hwmon_in_attributes {
121 hwmon_in_enable,
122 hwmon_in_input,
123 hwmon_in_min,
124 hwmon_in_max,
125 hwmon_in_lcrit,
126 hwmon_in_crit,
127 hwmon_in_average,
128 hwmon_in_lowest,
129 hwmon_in_highest,
130 hwmon_in_reset_history,
131 hwmon_in_label,
132 hwmon_in_alarm,
133 hwmon_in_min_alarm,
134 hwmon_in_max_alarm,
135 hwmon_in_lcrit_alarm,
136 hwmon_in_crit_alarm,
137 hwmon_in_rated_min,
138 hwmon_in_rated_max,
139};
140
141#define HWMON_I_ENABLE BIT(hwmon_in_enable)
142#define HWMON_I_INPUT BIT(hwmon_in_input)
143#define HWMON_I_MIN BIT(hwmon_in_min)
144#define HWMON_I_MAX BIT(hwmon_in_max)
145#define HWMON_I_LCRIT BIT(hwmon_in_lcrit)
146#define HWMON_I_CRIT BIT(hwmon_in_crit)
147#define HWMON_I_AVERAGE BIT(hwmon_in_average)
148#define HWMON_I_LOWEST BIT(hwmon_in_lowest)
149#define HWMON_I_HIGHEST BIT(hwmon_in_highest)
150#define HWMON_I_RESET_HISTORY BIT(hwmon_in_reset_history)
151#define HWMON_I_LABEL BIT(hwmon_in_label)
152#define HWMON_I_ALARM BIT(hwmon_in_alarm)
153#define HWMON_I_MIN_ALARM BIT(hwmon_in_min_alarm)
154#define HWMON_I_MAX_ALARM BIT(hwmon_in_max_alarm)
155#define HWMON_I_LCRIT_ALARM BIT(hwmon_in_lcrit_alarm)
156#define HWMON_I_CRIT_ALARM BIT(hwmon_in_crit_alarm)
157#define HWMON_I_RATED_MIN BIT(hwmon_in_rated_min)
158#define HWMON_I_RATED_MAX BIT(hwmon_in_rated_max)
159
160enum hwmon_curr_attributes {
161 hwmon_curr_enable,
162 hwmon_curr_input,
163 hwmon_curr_min,
164 hwmon_curr_max,
165 hwmon_curr_lcrit,
166 hwmon_curr_crit,
167 hwmon_curr_average,
168 hwmon_curr_lowest,
169 hwmon_curr_highest,
170 hwmon_curr_reset_history,
171 hwmon_curr_label,
172 hwmon_curr_alarm,
173 hwmon_curr_min_alarm,
174 hwmon_curr_max_alarm,
175 hwmon_curr_lcrit_alarm,
176 hwmon_curr_crit_alarm,
177 hwmon_curr_rated_min,
178 hwmon_curr_rated_max,
179};
180
181#define HWMON_C_ENABLE BIT(hwmon_curr_enable)
182#define HWMON_C_INPUT BIT(hwmon_curr_input)
183#define HWMON_C_MIN BIT(hwmon_curr_min)
184#define HWMON_C_MAX BIT(hwmon_curr_max)
185#define HWMON_C_LCRIT BIT(hwmon_curr_lcrit)
186#define HWMON_C_CRIT BIT(hwmon_curr_crit)
187#define HWMON_C_AVERAGE BIT(hwmon_curr_average)
188#define HWMON_C_LOWEST BIT(hwmon_curr_lowest)
189#define HWMON_C_HIGHEST BIT(hwmon_curr_highest)
190#define HWMON_C_RESET_HISTORY BIT(hwmon_curr_reset_history)
191#define HWMON_C_LABEL BIT(hwmon_curr_label)
192#define HWMON_C_ALARM BIT(hwmon_curr_alarm)
193#define HWMON_C_MIN_ALARM BIT(hwmon_curr_min_alarm)
194#define HWMON_C_MAX_ALARM BIT(hwmon_curr_max_alarm)
195#define HWMON_C_LCRIT_ALARM BIT(hwmon_curr_lcrit_alarm)
196#define HWMON_C_CRIT_ALARM BIT(hwmon_curr_crit_alarm)
197#define HWMON_C_RATED_MIN BIT(hwmon_curr_rated_min)
198#define HWMON_C_RATED_MAX BIT(hwmon_curr_rated_max)
199
200enum hwmon_power_attributes {
201 hwmon_power_enable,
202 hwmon_power_average,
203 hwmon_power_average_interval,
204 hwmon_power_average_interval_max,
205 hwmon_power_average_interval_min,
206 hwmon_power_average_highest,
207 hwmon_power_average_lowest,
208 hwmon_power_average_max,
209 hwmon_power_average_min,
210 hwmon_power_input,
211 hwmon_power_input_highest,
212 hwmon_power_input_lowest,
213 hwmon_power_reset_history,
214 hwmon_power_accuracy,
215 hwmon_power_cap,
216 hwmon_power_cap_hyst,
217 hwmon_power_cap_max,
218 hwmon_power_cap_min,
219 hwmon_power_min,
220 hwmon_power_max,
221 hwmon_power_crit,
222 hwmon_power_lcrit,
223 hwmon_power_label,
224 hwmon_power_alarm,
225 hwmon_power_cap_alarm,
226 hwmon_power_min_alarm,
227 hwmon_power_max_alarm,
228 hwmon_power_lcrit_alarm,
229 hwmon_power_crit_alarm,
230 hwmon_power_rated_min,
231 hwmon_power_rated_max,
232};
233
234#define HWMON_P_ENABLE BIT(hwmon_power_enable)
235#define HWMON_P_AVERAGE BIT(hwmon_power_average)
236#define HWMON_P_AVERAGE_INTERVAL BIT(hwmon_power_average_interval)
237#define HWMON_P_AVERAGE_INTERVAL_MAX BIT(hwmon_power_average_interval_max)
238#define HWMON_P_AVERAGE_INTERVAL_MIN BIT(hwmon_power_average_interval_min)
239#define HWMON_P_AVERAGE_HIGHEST BIT(hwmon_power_average_highest)
240#define HWMON_P_AVERAGE_LOWEST BIT(hwmon_power_average_lowest)
241#define HWMON_P_AVERAGE_MAX BIT(hwmon_power_average_max)
242#define HWMON_P_AVERAGE_MIN BIT(hwmon_power_average_min)
243#define HWMON_P_INPUT BIT(hwmon_power_input)
244#define HWMON_P_INPUT_HIGHEST BIT(hwmon_power_input_highest)
245#define HWMON_P_INPUT_LOWEST BIT(hwmon_power_input_lowest)
246#define HWMON_P_RESET_HISTORY BIT(hwmon_power_reset_history)
247#define HWMON_P_ACCURACY BIT(hwmon_power_accuracy)
248#define HWMON_P_CAP BIT(hwmon_power_cap)
249#define HWMON_P_CAP_HYST BIT(hwmon_power_cap_hyst)
250#define HWMON_P_CAP_MAX BIT(hwmon_power_cap_max)
251#define HWMON_P_CAP_MIN BIT(hwmon_power_cap_min)
252#define HWMON_P_MIN BIT(hwmon_power_min)
253#define HWMON_P_MAX BIT(hwmon_power_max)
254#define HWMON_P_LCRIT BIT(hwmon_power_lcrit)
255#define HWMON_P_CRIT BIT(hwmon_power_crit)
256#define HWMON_P_LABEL BIT(hwmon_power_label)
257#define HWMON_P_ALARM BIT(hwmon_power_alarm)
258#define HWMON_P_CAP_ALARM BIT(hwmon_power_cap_alarm)
259#define HWMON_P_MIN_ALARM BIT(hwmon_power_min_alarm)
260#define HWMON_P_MAX_ALARM BIT(hwmon_power_max_alarm)
261#define HWMON_P_LCRIT_ALARM BIT(hwmon_power_lcrit_alarm)
262#define HWMON_P_CRIT_ALARM BIT(hwmon_power_crit_alarm)
263#define HWMON_P_RATED_MIN BIT(hwmon_power_rated_min)
264#define HWMON_P_RATED_MAX BIT(hwmon_power_rated_max)
265
266enum hwmon_energy_attributes {
267 hwmon_energy_enable,
268 hwmon_energy_input,
269 hwmon_energy_label,
270};
271
272#define HWMON_E_ENABLE BIT(hwmon_energy_enable)
273#define HWMON_E_INPUT BIT(hwmon_energy_input)
274#define HWMON_E_LABEL BIT(hwmon_energy_label)
275
276enum hwmon_humidity_attributes {
277 hwmon_humidity_enable,
278 hwmon_humidity_input,
279 hwmon_humidity_label,
280 hwmon_humidity_min,
281 hwmon_humidity_min_hyst,
282 hwmon_humidity_max,
283 hwmon_humidity_max_hyst,
284 hwmon_humidity_alarm,
285 hwmon_humidity_fault,
286 hwmon_humidity_rated_min,
287 hwmon_humidity_rated_max,
288};
289
290#define HWMON_H_ENABLE BIT(hwmon_humidity_enable)
291#define HWMON_H_INPUT BIT(hwmon_humidity_input)
292#define HWMON_H_LABEL BIT(hwmon_humidity_label)
293#define HWMON_H_MIN BIT(hwmon_humidity_min)
294#define HWMON_H_MIN_HYST BIT(hwmon_humidity_min_hyst)
295#define HWMON_H_MAX BIT(hwmon_humidity_max)
296#define HWMON_H_MAX_HYST BIT(hwmon_humidity_max_hyst)
297#define HWMON_H_ALARM BIT(hwmon_humidity_alarm)
298#define HWMON_H_FAULT BIT(hwmon_humidity_fault)
299#define HWMON_H_RATED_MIN BIT(hwmon_humidity_rated_min)
300#define HWMON_H_RATED_MAX BIT(hwmon_humidity_rated_max)
301
302enum hwmon_fan_attributes {
303 hwmon_fan_enable,
304 hwmon_fan_input,
305 hwmon_fan_label,
306 hwmon_fan_min,
307 hwmon_fan_max,
308 hwmon_fan_div,
309 hwmon_fan_pulses,
310 hwmon_fan_target,
311 hwmon_fan_alarm,
312 hwmon_fan_min_alarm,
313 hwmon_fan_max_alarm,
314 hwmon_fan_fault,
315};
316
317#define HWMON_F_ENABLE BIT(hwmon_fan_enable)
318#define HWMON_F_INPUT BIT(hwmon_fan_input)
319#define HWMON_F_LABEL BIT(hwmon_fan_label)
320#define HWMON_F_MIN BIT(hwmon_fan_min)
321#define HWMON_F_MAX BIT(hwmon_fan_max)
322#define HWMON_F_DIV BIT(hwmon_fan_div)
323#define HWMON_F_PULSES BIT(hwmon_fan_pulses)
324#define HWMON_F_TARGET BIT(hwmon_fan_target)
325#define HWMON_F_ALARM BIT(hwmon_fan_alarm)
326#define HWMON_F_MIN_ALARM BIT(hwmon_fan_min_alarm)
327#define HWMON_F_MAX_ALARM BIT(hwmon_fan_max_alarm)
328#define HWMON_F_FAULT BIT(hwmon_fan_fault)
329
330enum hwmon_pwm_attributes {
331 hwmon_pwm_input,
332 hwmon_pwm_enable,
333 hwmon_pwm_mode,
334 hwmon_pwm_freq,
335};
336
337#define HWMON_PWM_INPUT BIT(hwmon_pwm_input)
338#define HWMON_PWM_ENABLE BIT(hwmon_pwm_enable)
339#define HWMON_PWM_MODE BIT(hwmon_pwm_mode)
340#define HWMON_PWM_FREQ BIT(hwmon_pwm_freq)
341
342enum hwmon_intrusion_attributes {
343 hwmon_intrusion_alarm,
344 hwmon_intrusion_beep,
345};
346#define HWMON_INTRUSION_ALARM BIT(hwmon_intrusion_alarm)
347#define HWMON_INTRUSION_BEEP BIT(hwmon_intrusion_beep)
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394struct hwmon_ops {
395 umode_t (*is_visible)(const void *drvdata, enum hwmon_sensor_types type,
396 u32 attr, int channel);
397 int (*read)(struct device *dev, enum hwmon_sensor_types type,
398 u32 attr, int channel, long *val);
399 int (*read_string)(struct device *dev, enum hwmon_sensor_types type,
400 u32 attr, int channel, const char **str);
401 int (*write)(struct device *dev, enum hwmon_sensor_types type,
402 u32 attr, int channel, long val);
403};
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411struct hwmon_channel_info {
412 enum hwmon_sensor_types type;
413 const u32 *config;
414};
415
416#define HWMON_CHANNEL_INFO(stype, ...) \
417 (&(struct hwmon_channel_info) { \
418 .type = hwmon_##stype, \
419 .config = (u32 []) { \
420 __VA_ARGS__, 0 \
421 } \
422 })
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429struct hwmon_chip_info {
430 const struct hwmon_ops *ops;
431 const struct hwmon_channel_info **info;
432};
433
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435struct device *hwmon_device_register(struct device *dev);
436
437struct device *
438hwmon_device_register_with_groups(struct device *dev, const char *name,
439 void *drvdata,
440 const struct attribute_group **groups);
441struct device *
442devm_hwmon_device_register_with_groups(struct device *dev, const char *name,
443 void *drvdata,
444 const struct attribute_group **groups);
445struct device *
446hwmon_device_register_with_info(struct device *dev,
447 const char *name, void *drvdata,
448 const struct hwmon_chip_info *info,
449 const struct attribute_group **extra_groups);
450struct device *
451devm_hwmon_device_register_with_info(struct device *dev,
452 const char *name, void *drvdata,
453 const struct hwmon_chip_info *info,
454 const struct attribute_group **extra_groups);
455
456void hwmon_device_unregister(struct device *dev);
457void devm_hwmon_device_unregister(struct device *dev);
458
459int hwmon_notify_event(struct device *dev, enum hwmon_sensor_types type,
460 u32 attr, int channel);
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471static inline bool hwmon_is_bad_char(const char ch)
472{
473 switch (ch) {
474 case '-':
475 case '*':
476 case ' ':
477 case '\t':
478 case '\n':
479 return true;
480 default:
481 return false;
482 }
483}
484
485#endif
486
