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14#ifndef _HWMON_H_
15#define _HWMON_H_
16
17#include <linux/bitops.h>
18
19struct device;
20struct attribute_group;
21
22enum hwmon_sensor_types {
23 hwmon_chip,
24 hwmon_temp,
25 hwmon_in,
26 hwmon_curr,
27 hwmon_power,
28 hwmon_energy,
29 hwmon_humidity,
30 hwmon_fan,
31 hwmon_pwm,
32 hwmon_max,
33};
34
35enum hwmon_chip_attributes {
36 hwmon_chip_temp_reset_history,
37 hwmon_chip_in_reset_history,
38 hwmon_chip_curr_reset_history,
39 hwmon_chip_power_reset_history,
40 hwmon_chip_register_tz,
41 hwmon_chip_update_interval,
42 hwmon_chip_alarms,
43};
44
45#define HWMON_C_TEMP_RESET_HISTORY BIT(hwmon_chip_temp_reset_history)
46#define HWMON_C_IN_RESET_HISTORY BIT(hwmon_chip_in_reset_history)
47#define HWMON_C_CURR_RESET_HISTORY BIT(hwmon_chip_curr_reset_history)
48#define HWMON_C_POWER_RESET_HISTORY BIT(hwmon_chip_power_reset_history)
49#define HWMON_C_REGISTER_TZ BIT(hwmon_chip_register_tz)
50#define HWMON_C_UPDATE_INTERVAL BIT(hwmon_chip_update_interval)
51#define HWMON_C_ALARMS BIT(hwmon_chip_alarms)
52
53enum hwmon_temp_attributes {
54 hwmon_temp_input = 0,
55 hwmon_temp_type,
56 hwmon_temp_lcrit,
57 hwmon_temp_lcrit_hyst,
58 hwmon_temp_min,
59 hwmon_temp_min_hyst,
60 hwmon_temp_max,
61 hwmon_temp_max_hyst,
62 hwmon_temp_crit,
63 hwmon_temp_crit_hyst,
64 hwmon_temp_emergency,
65 hwmon_temp_emergency_hyst,
66 hwmon_temp_alarm,
67 hwmon_temp_lcrit_alarm,
68 hwmon_temp_min_alarm,
69 hwmon_temp_max_alarm,
70 hwmon_temp_crit_alarm,
71 hwmon_temp_emergency_alarm,
72 hwmon_temp_fault,
73 hwmon_temp_offset,
74 hwmon_temp_label,
75 hwmon_temp_lowest,
76 hwmon_temp_highest,
77 hwmon_temp_reset_history,
78};
79
80#define HWMON_T_INPUT BIT(hwmon_temp_input)
81#define HWMON_T_TYPE BIT(hwmon_temp_type)
82#define HWMON_T_LCRIT BIT(hwmon_temp_lcrit)
83#define HWMON_T_LCRIT_HYST BIT(hwmon_temp_lcrit_hyst)
84#define HWMON_T_MIN BIT(hwmon_temp_min)
85#define HWMON_T_MIN_HYST BIT(hwmon_temp_min_hyst)
86#define HWMON_T_MAX BIT(hwmon_temp_max)
87#define HWMON_T_MAX_HYST BIT(hwmon_temp_max_hyst)
88#define HWMON_T_CRIT BIT(hwmon_temp_crit)
89#define HWMON_T_CRIT_HYST BIT(hwmon_temp_crit_hyst)
90#define HWMON_T_EMERGENCY BIT(hwmon_temp_emergency)
91#define HWMON_T_EMERGENCY_HYST BIT(hwmon_temp_emergency_hyst)
92#define HWMON_T_ALARM BIT(hwmon_temp_alarm)
93#define HWMON_T_MIN_ALARM BIT(hwmon_temp_min_alarm)
94#define HWMON_T_MAX_ALARM BIT(hwmon_temp_max_alarm)
95#define HWMON_T_CRIT_ALARM BIT(hwmon_temp_crit_alarm)
96#define HWMON_T_EMERGENCY_ALARM BIT(hwmon_temp_emergency_alarm)
97#define HWMON_T_FAULT BIT(hwmon_temp_fault)
98#define HWMON_T_OFFSET BIT(hwmon_temp_offset)
99#define HWMON_T_LABEL BIT(hwmon_temp_label)
100#define HWMON_T_LOWEST BIT(hwmon_temp_lowest)
101#define HWMON_T_HIGHEST BIT(hwmon_temp_highest)
102#define HWMON_T_RESET_HISTORY BIT(hwmon_temp_reset_history)
103
104enum hwmon_in_attributes {
105 hwmon_in_input,
106 hwmon_in_min,
107 hwmon_in_max,
108 hwmon_in_lcrit,
109 hwmon_in_crit,
110 hwmon_in_average,
111 hwmon_in_lowest,
112 hwmon_in_highest,
113 hwmon_in_reset_history,
114 hwmon_in_label,
115 hwmon_in_alarm,
116 hwmon_in_min_alarm,
117 hwmon_in_max_alarm,
118 hwmon_in_lcrit_alarm,
119 hwmon_in_crit_alarm,
120};
121
122#define HWMON_I_INPUT BIT(hwmon_in_input)
123#define HWMON_I_MIN BIT(hwmon_in_min)
124#define HWMON_I_MAX BIT(hwmon_in_max)
125#define HWMON_I_LCRIT BIT(hwmon_in_lcrit)
126#define HWMON_I_CRIT BIT(hwmon_in_crit)
127#define HWMON_I_AVERAGE BIT(hwmon_in_average)
128#define HWMON_I_LOWEST BIT(hwmon_in_lowest)
129#define HWMON_I_HIGHEST BIT(hwmon_in_highest)
130#define HWMON_I_RESET_HISTORY BIT(hwmon_in_reset_history)
131#define HWMON_I_LABEL BIT(hwmon_in_label)
132#define HWMON_I_ALARM BIT(hwmon_in_alarm)
133#define HWMON_I_MIN_ALARM BIT(hwmon_in_min_alarm)
134#define HWMON_I_MAX_ALARM BIT(hwmon_in_max_alarm)
135#define HWMON_I_LCRIT_ALARM BIT(hwmon_in_lcrit_alarm)
136#define HWMON_I_CRIT_ALARM BIT(hwmon_in_crit_alarm)
137
138enum hwmon_curr_attributes {
139 hwmon_curr_input,
140 hwmon_curr_min,
141 hwmon_curr_max,
142 hwmon_curr_lcrit,
143 hwmon_curr_crit,
144 hwmon_curr_average,
145 hwmon_curr_lowest,
146 hwmon_curr_highest,
147 hwmon_curr_reset_history,
148 hwmon_curr_label,
149 hwmon_curr_alarm,
150 hwmon_curr_min_alarm,
151 hwmon_curr_max_alarm,
152 hwmon_curr_lcrit_alarm,
153 hwmon_curr_crit_alarm,
154};
155
156#define HWMON_C_INPUT BIT(hwmon_curr_input)
157#define HWMON_C_MIN BIT(hwmon_curr_min)
158#define HWMON_C_MAX BIT(hwmon_curr_max)
159#define HWMON_C_LCRIT BIT(hwmon_curr_lcrit)
160#define HWMON_C_CRIT BIT(hwmon_curr_crit)
161#define HWMON_C_AVERAGE BIT(hwmon_curr_average)
162#define HWMON_C_LOWEST BIT(hwmon_curr_lowest)
163#define HWMON_C_HIGHEST BIT(hwmon_curr_highest)
164#define HWMON_C_RESET_HISTORY BIT(hwmon_curr_reset_history)
165#define HWMON_C_LABEL BIT(hwmon_curr_label)
166#define HWMON_C_ALARM BIT(hwmon_curr_alarm)
167#define HWMON_C_MIN_ALARM BIT(hwmon_curr_min_alarm)
168#define HWMON_C_MAX_ALARM BIT(hwmon_curr_max_alarm)
169#define HWMON_C_LCRIT_ALARM BIT(hwmon_curr_lcrit_alarm)
170#define HWMON_C_CRIT_ALARM BIT(hwmon_curr_crit_alarm)
171
172enum hwmon_power_attributes {
173 hwmon_power_average,
174 hwmon_power_average_interval,
175 hwmon_power_average_interval_max,
176 hwmon_power_average_interval_min,
177 hwmon_power_average_highest,
178 hwmon_power_average_lowest,
179 hwmon_power_average_max,
180 hwmon_power_average_min,
181 hwmon_power_input,
182 hwmon_power_input_highest,
183 hwmon_power_input_lowest,
184 hwmon_power_reset_history,
185 hwmon_power_accuracy,
186 hwmon_power_cap,
187 hwmon_power_cap_hyst,
188 hwmon_power_cap_max,
189 hwmon_power_cap_min,
190 hwmon_power_max,
191 hwmon_power_crit,
192 hwmon_power_label,
193 hwmon_power_alarm,
194 hwmon_power_cap_alarm,
195 hwmon_power_max_alarm,
196 hwmon_power_crit_alarm,
197};
198
199#define HWMON_P_AVERAGE BIT(hwmon_power_average)
200#define HWMON_P_AVERAGE_INTERVAL BIT(hwmon_power_average_interval)
201#define HWMON_P_AVERAGE_INTERVAL_MAX BIT(hwmon_power_average_interval_max)
202#define HWMON_P_AVERAGE_INTERVAL_MIN BIT(hwmon_power_average_interval_min)
203#define HWMON_P_AVERAGE_HIGHEST BIT(hwmon_power_average_highest)
204#define HWMON_P_AVERAGE_LOWEST BIT(hwmon_power_average_lowest)
205#define HWMON_P_AVERAGE_MAX BIT(hwmon_power_average_max)
206#define HWMON_P_AVERAGE_MIN BIT(hwmon_power_average_min)
207#define HWMON_P_INPUT BIT(hwmon_power_input)
208#define HWMON_P_INPUT_HIGHEST BIT(hwmon_power_input_highest)
209#define HWMON_P_INPUT_LOWEST BIT(hwmon_power_input_lowest)
210#define HWMON_P_RESET_HISTORY BIT(hwmon_power_reset_history)
211#define HWMON_P_ACCURACY BIT(hwmon_power_accuracy)
212#define HWMON_P_CAP BIT(hwmon_power_cap)
213#define HWMON_P_CAP_HYST BIT(hwmon_power_cap_hyst)
214#define HWMON_P_CAP_MAX BIT(hwmon_power_cap_max)
215#define HWMON_P_CAP_MIN BIT(hwmon_power_cap_min)
216#define HWMON_P_MAX BIT(hwmon_power_max)
217#define HWMON_P_CRIT BIT(hwmon_power_crit)
218#define HWMON_P_LABEL BIT(hwmon_power_label)
219#define HWMON_P_ALARM BIT(hwmon_power_alarm)
220#define HWMON_P_CAP_ALARM BIT(hwmon_power_cap_alarm)
221#define HWMON_P_MAX_ALARM BIT(hwmon_power_max_alarm)
222#define HWMON_P_CRIT_ALARM BIT(hwmon_power_crit_alarm)
223
224enum hwmon_energy_attributes {
225 hwmon_energy_input,
226 hwmon_energy_label,
227};
228
229#define HWMON_E_INPUT BIT(hwmon_energy_input)
230#define HWMON_E_LABEL BIT(hwmon_energy_label)
231
232enum hwmon_humidity_attributes {
233 hwmon_humidity_input,
234 hwmon_humidity_label,
235 hwmon_humidity_min,
236 hwmon_humidity_min_hyst,
237 hwmon_humidity_max,
238 hwmon_humidity_max_hyst,
239 hwmon_humidity_alarm,
240 hwmon_humidity_fault,
241};
242
243#define HWMON_H_INPUT BIT(hwmon_humidity_input)
244#define HWMON_H_LABEL BIT(hwmon_humidity_label)
245#define HWMON_H_MIN BIT(hwmon_humidity_min)
246#define HWMON_H_MIN_HYST BIT(hwmon_humidity_min_hyst)
247#define HWMON_H_MAX BIT(hwmon_humidity_max)
248#define HWMON_H_MAX_HYST BIT(hwmon_humidity_max_hyst)
249#define HWMON_H_ALARM BIT(hwmon_humidity_alarm)
250#define HWMON_H_FAULT BIT(hwmon_humidity_fault)
251
252enum hwmon_fan_attributes {
253 hwmon_fan_input,
254 hwmon_fan_label,
255 hwmon_fan_min,
256 hwmon_fan_max,
257 hwmon_fan_div,
258 hwmon_fan_pulses,
259 hwmon_fan_target,
260 hwmon_fan_alarm,
261 hwmon_fan_min_alarm,
262 hwmon_fan_max_alarm,
263 hwmon_fan_fault,
264};
265
266#define HWMON_F_INPUT BIT(hwmon_fan_input)
267#define HWMON_F_LABEL BIT(hwmon_fan_label)
268#define HWMON_F_MIN BIT(hwmon_fan_min)
269#define HWMON_F_MAX BIT(hwmon_fan_max)
270#define HWMON_F_DIV BIT(hwmon_fan_div)
271#define HWMON_F_PULSES BIT(hwmon_fan_pulses)
272#define HWMON_F_TARGET BIT(hwmon_fan_target)
273#define HWMON_F_ALARM BIT(hwmon_fan_alarm)
274#define HWMON_F_MIN_ALARM BIT(hwmon_fan_min_alarm)
275#define HWMON_F_MAX_ALARM BIT(hwmon_fan_max_alarm)
276#define HWMON_F_FAULT BIT(hwmon_fan_fault)
277
278enum hwmon_pwm_attributes {
279 hwmon_pwm_input,
280 hwmon_pwm_enable,
281 hwmon_pwm_mode,
282 hwmon_pwm_freq,
283};
284
285#define HWMON_PWM_INPUT BIT(hwmon_pwm_input)
286#define HWMON_PWM_ENABLE BIT(hwmon_pwm_enable)
287#define HWMON_PWM_MODE BIT(hwmon_pwm_mode)
288#define HWMON_PWM_FREQ BIT(hwmon_pwm_freq)
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335struct hwmon_ops {
336 umode_t (*is_visible)(const void *drvdata, enum hwmon_sensor_types type,
337 u32 attr, int channel);
338 int (*read)(struct device *dev, enum hwmon_sensor_types type,
339 u32 attr, int channel, long *val);
340 int (*read_string)(struct device *dev, enum hwmon_sensor_types type,
341 u32 attr, int channel, const char **str);
342 int (*write)(struct device *dev, enum hwmon_sensor_types type,
343 u32 attr, int channel, long val);
344};
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352struct hwmon_channel_info {
353 enum hwmon_sensor_types type;
354 const u32 *config;
355};
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362struct hwmon_chip_info {
363 const struct hwmon_ops *ops;
364 const struct hwmon_channel_info **info;
365};
366
367
368struct device *hwmon_device_register(struct device *dev);
369
370struct device *
371hwmon_device_register_with_groups(struct device *dev, const char *name,
372 void *drvdata,
373 const struct attribute_group **groups);
374struct device *
375devm_hwmon_device_register_with_groups(struct device *dev, const char *name,
376 void *drvdata,
377 const struct attribute_group **groups);
378struct device *
379hwmon_device_register_with_info(struct device *dev,
380 const char *name, void *drvdata,
381 const struct hwmon_chip_info *info,
382 const struct attribute_group **extra_groups);
383struct device *
384devm_hwmon_device_register_with_info(struct device *dev,
385 const char *name, void *drvdata,
386 const struct hwmon_chip_info *info,
387 const struct attribute_group **extra_groups);
388
389void hwmon_device_unregister(struct device *dev);
390void devm_hwmon_device_unregister(struct device *dev);
391
392#endif
393
