463 lines
14 KiB
C
463 lines
14 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
hwmon.h - part of lm_sensors, Linux kernel modules for hardware monitoring
|
|
|
|
This file declares helper functions for the sysfs class "hwmon",
|
|
for use by sensors drivers.
|
|
|
|
Copyright (C) 2005 Mark M. Hoffman <mhoffman@lightlink.com>
|
|
|
|
*/
|
|
|
|
#ifndef _HWMON_H_
|
|
#define _HWMON_H_
|
|
|
|
#include <linux/bitops.h>
|
|
|
|
struct device;
|
|
struct attribute_group;
|
|
|
|
enum hwmon_sensor_types {
|
|
hwmon_chip,
|
|
hwmon_temp,
|
|
hwmon_in,
|
|
hwmon_curr,
|
|
hwmon_power,
|
|
hwmon_energy,
|
|
hwmon_humidity,
|
|
hwmon_fan,
|
|
hwmon_pwm,
|
|
hwmon_intrusion,
|
|
hwmon_max,
|
|
};
|
|
|
|
enum hwmon_chip_attributes {
|
|
hwmon_chip_temp_reset_history,
|
|
hwmon_chip_in_reset_history,
|
|
hwmon_chip_curr_reset_history,
|
|
hwmon_chip_power_reset_history,
|
|
hwmon_chip_register_tz,
|
|
hwmon_chip_update_interval,
|
|
hwmon_chip_alarms,
|
|
hwmon_chip_samples,
|
|
hwmon_chip_curr_samples,
|
|
hwmon_chip_in_samples,
|
|
hwmon_chip_power_samples,
|
|
hwmon_chip_temp_samples,
|
|
};
|
|
|
|
#define HWMON_C_TEMP_RESET_HISTORY BIT(hwmon_chip_temp_reset_history)
|
|
#define HWMON_C_IN_RESET_HISTORY BIT(hwmon_chip_in_reset_history)
|
|
#define HWMON_C_CURR_RESET_HISTORY BIT(hwmon_chip_curr_reset_history)
|
|
#define HWMON_C_POWER_RESET_HISTORY BIT(hwmon_chip_power_reset_history)
|
|
#define HWMON_C_REGISTER_TZ BIT(hwmon_chip_register_tz)
|
|
#define HWMON_C_UPDATE_INTERVAL BIT(hwmon_chip_update_interval)
|
|
#define HWMON_C_ALARMS BIT(hwmon_chip_alarms)
|
|
#define HWMON_C_SAMPLES BIT(hwmon_chip_samples)
|
|
#define HWMON_C_CURR_SAMPLES BIT(hwmon_chip_curr_samples)
|
|
#define HWMON_C_IN_SAMPLES BIT(hwmon_chip_in_samples)
|
|
#define HWMON_C_POWER_SAMPLES BIT(hwmon_chip_power_samples)
|
|
#define HWMON_C_TEMP_SAMPLES BIT(hwmon_chip_temp_samples)
|
|
|
|
enum hwmon_temp_attributes {
|
|
hwmon_temp_enable,
|
|
hwmon_temp_input,
|
|
hwmon_temp_type,
|
|
hwmon_temp_lcrit,
|
|
hwmon_temp_lcrit_hyst,
|
|
hwmon_temp_min,
|
|
hwmon_temp_min_hyst,
|
|
hwmon_temp_max,
|
|
hwmon_temp_max_hyst,
|
|
hwmon_temp_crit,
|
|
hwmon_temp_crit_hyst,
|
|
hwmon_temp_emergency,
|
|
hwmon_temp_emergency_hyst,
|
|
hwmon_temp_alarm,
|
|
hwmon_temp_lcrit_alarm,
|
|
hwmon_temp_min_alarm,
|
|
hwmon_temp_max_alarm,
|
|
hwmon_temp_crit_alarm,
|
|
hwmon_temp_emergency_alarm,
|
|
hwmon_temp_fault,
|
|
hwmon_temp_offset,
|
|
hwmon_temp_label,
|
|
hwmon_temp_lowest,
|
|
hwmon_temp_highest,
|
|
hwmon_temp_reset_history,
|
|
};
|
|
|
|
#define HWMON_T_ENABLE BIT(hwmon_temp_enable)
|
|
#define HWMON_T_INPUT BIT(hwmon_temp_input)
|
|
#define HWMON_T_TYPE BIT(hwmon_temp_type)
|
|
#define HWMON_T_LCRIT BIT(hwmon_temp_lcrit)
|
|
#define HWMON_T_LCRIT_HYST BIT(hwmon_temp_lcrit_hyst)
|
|
#define HWMON_T_MIN BIT(hwmon_temp_min)
|
|
#define HWMON_T_MIN_HYST BIT(hwmon_temp_min_hyst)
|
|
#define HWMON_T_MAX BIT(hwmon_temp_max)
|
|
#define HWMON_T_MAX_HYST BIT(hwmon_temp_max_hyst)
|
|
#define HWMON_T_CRIT BIT(hwmon_temp_crit)
|
|
#define HWMON_T_CRIT_HYST BIT(hwmon_temp_crit_hyst)
|
|
#define HWMON_T_EMERGENCY BIT(hwmon_temp_emergency)
|
|
#define HWMON_T_EMERGENCY_HYST BIT(hwmon_temp_emergency_hyst)
|
|
#define HWMON_T_ALARM BIT(hwmon_temp_alarm)
|
|
#define HWMON_T_MIN_ALARM BIT(hwmon_temp_min_alarm)
|
|
#define HWMON_T_MAX_ALARM BIT(hwmon_temp_max_alarm)
|
|
#define HWMON_T_CRIT_ALARM BIT(hwmon_temp_crit_alarm)
|
|
#define HWMON_T_LCRIT_ALARM BIT(hwmon_temp_lcrit_alarm)
|
|
#define HWMON_T_EMERGENCY_ALARM BIT(hwmon_temp_emergency_alarm)
|
|
#define HWMON_T_FAULT BIT(hwmon_temp_fault)
|
|
#define HWMON_T_OFFSET BIT(hwmon_temp_offset)
|
|
#define HWMON_T_LABEL BIT(hwmon_temp_label)
|
|
#define HWMON_T_LOWEST BIT(hwmon_temp_lowest)
|
|
#define HWMON_T_HIGHEST BIT(hwmon_temp_highest)
|
|
#define HWMON_T_RESET_HISTORY BIT(hwmon_temp_reset_history)
|
|
|
|
enum hwmon_in_attributes {
|
|
hwmon_in_enable,
|
|
hwmon_in_input,
|
|
hwmon_in_min,
|
|
hwmon_in_max,
|
|
hwmon_in_lcrit,
|
|
hwmon_in_crit,
|
|
hwmon_in_average,
|
|
hwmon_in_lowest,
|
|
hwmon_in_highest,
|
|
hwmon_in_reset_history,
|
|
hwmon_in_label,
|
|
hwmon_in_alarm,
|
|
hwmon_in_min_alarm,
|
|
hwmon_in_max_alarm,
|
|
hwmon_in_lcrit_alarm,
|
|
hwmon_in_crit_alarm,
|
|
};
|
|
|
|
#define HWMON_I_ENABLE BIT(hwmon_in_enable)
|
|
#define HWMON_I_INPUT BIT(hwmon_in_input)
|
|
#define HWMON_I_MIN BIT(hwmon_in_min)
|
|
#define HWMON_I_MAX BIT(hwmon_in_max)
|
|
#define HWMON_I_LCRIT BIT(hwmon_in_lcrit)
|
|
#define HWMON_I_CRIT BIT(hwmon_in_crit)
|
|
#define HWMON_I_AVERAGE BIT(hwmon_in_average)
|
|
#define HWMON_I_LOWEST BIT(hwmon_in_lowest)
|
|
#define HWMON_I_HIGHEST BIT(hwmon_in_highest)
|
|
#define HWMON_I_RESET_HISTORY BIT(hwmon_in_reset_history)
|
|
#define HWMON_I_LABEL BIT(hwmon_in_label)
|
|
#define HWMON_I_ALARM BIT(hwmon_in_alarm)
|
|
#define HWMON_I_MIN_ALARM BIT(hwmon_in_min_alarm)
|
|
#define HWMON_I_MAX_ALARM BIT(hwmon_in_max_alarm)
|
|
#define HWMON_I_LCRIT_ALARM BIT(hwmon_in_lcrit_alarm)
|
|
#define HWMON_I_CRIT_ALARM BIT(hwmon_in_crit_alarm)
|
|
|
|
enum hwmon_curr_attributes {
|
|
hwmon_curr_enable,
|
|
hwmon_curr_input,
|
|
hwmon_curr_min,
|
|
hwmon_curr_max,
|
|
hwmon_curr_lcrit,
|
|
hwmon_curr_crit,
|
|
hwmon_curr_average,
|
|
hwmon_curr_lowest,
|
|
hwmon_curr_highest,
|
|
hwmon_curr_reset_history,
|
|
hwmon_curr_label,
|
|
hwmon_curr_alarm,
|
|
hwmon_curr_min_alarm,
|
|
hwmon_curr_max_alarm,
|
|
hwmon_curr_lcrit_alarm,
|
|
hwmon_curr_crit_alarm,
|
|
};
|
|
|
|
#define HWMON_C_ENABLE BIT(hwmon_curr_enable)
|
|
#define HWMON_C_INPUT BIT(hwmon_curr_input)
|
|
#define HWMON_C_MIN BIT(hwmon_curr_min)
|
|
#define HWMON_C_MAX BIT(hwmon_curr_max)
|
|
#define HWMON_C_LCRIT BIT(hwmon_curr_lcrit)
|
|
#define HWMON_C_CRIT BIT(hwmon_curr_crit)
|
|
#define HWMON_C_AVERAGE BIT(hwmon_curr_average)
|
|
#define HWMON_C_LOWEST BIT(hwmon_curr_lowest)
|
|
#define HWMON_C_HIGHEST BIT(hwmon_curr_highest)
|
|
#define HWMON_C_RESET_HISTORY BIT(hwmon_curr_reset_history)
|
|
#define HWMON_C_LABEL BIT(hwmon_curr_label)
|
|
#define HWMON_C_ALARM BIT(hwmon_curr_alarm)
|
|
#define HWMON_C_MIN_ALARM BIT(hwmon_curr_min_alarm)
|
|
#define HWMON_C_MAX_ALARM BIT(hwmon_curr_max_alarm)
|
|
#define HWMON_C_LCRIT_ALARM BIT(hwmon_curr_lcrit_alarm)
|
|
#define HWMON_C_CRIT_ALARM BIT(hwmon_curr_crit_alarm)
|
|
|
|
enum hwmon_power_attributes {
|
|
hwmon_power_enable,
|
|
hwmon_power_average,
|
|
hwmon_power_average_interval,
|
|
hwmon_power_average_interval_max,
|
|
hwmon_power_average_interval_min,
|
|
hwmon_power_average_highest,
|
|
hwmon_power_average_lowest,
|
|
hwmon_power_average_max,
|
|
hwmon_power_average_min,
|
|
hwmon_power_input,
|
|
hwmon_power_input_highest,
|
|
hwmon_power_input_lowest,
|
|
hwmon_power_reset_history,
|
|
hwmon_power_accuracy,
|
|
hwmon_power_cap,
|
|
hwmon_power_cap_hyst,
|
|
hwmon_power_cap_max,
|
|
hwmon_power_cap_min,
|
|
hwmon_power_min,
|
|
hwmon_power_max,
|
|
hwmon_power_crit,
|
|
hwmon_power_lcrit,
|
|
hwmon_power_label,
|
|
hwmon_power_alarm,
|
|
hwmon_power_cap_alarm,
|
|
hwmon_power_min_alarm,
|
|
hwmon_power_max_alarm,
|
|
hwmon_power_lcrit_alarm,
|
|
hwmon_power_crit_alarm,
|
|
};
|
|
|
|
#define HWMON_P_ENABLE BIT(hwmon_power_enable)
|
|
#define HWMON_P_AVERAGE BIT(hwmon_power_average)
|
|
#define HWMON_P_AVERAGE_INTERVAL BIT(hwmon_power_average_interval)
|
|
#define HWMON_P_AVERAGE_INTERVAL_MAX BIT(hwmon_power_average_interval_max)
|
|
#define HWMON_P_AVERAGE_INTERVAL_MIN BIT(hwmon_power_average_interval_min)
|
|
#define HWMON_P_AVERAGE_HIGHEST BIT(hwmon_power_average_highest)
|
|
#define HWMON_P_AVERAGE_LOWEST BIT(hwmon_power_average_lowest)
|
|
#define HWMON_P_AVERAGE_MAX BIT(hwmon_power_average_max)
|
|
#define HWMON_P_AVERAGE_MIN BIT(hwmon_power_average_min)
|
|
#define HWMON_P_INPUT BIT(hwmon_power_input)
|
|
#define HWMON_P_INPUT_HIGHEST BIT(hwmon_power_input_highest)
|
|
#define HWMON_P_INPUT_LOWEST BIT(hwmon_power_input_lowest)
|
|
#define HWMON_P_RESET_HISTORY BIT(hwmon_power_reset_history)
|
|
#define HWMON_P_ACCURACY BIT(hwmon_power_accuracy)
|
|
#define HWMON_P_CAP BIT(hwmon_power_cap)
|
|
#define HWMON_P_CAP_HYST BIT(hwmon_power_cap_hyst)
|
|
#define HWMON_P_CAP_MAX BIT(hwmon_power_cap_max)
|
|
#define HWMON_P_CAP_MIN BIT(hwmon_power_cap_min)
|
|
#define HWMON_P_MIN BIT(hwmon_power_min)
|
|
#define HWMON_P_MAX BIT(hwmon_power_max)
|
|
#define HWMON_P_LCRIT BIT(hwmon_power_lcrit)
|
|
#define HWMON_P_CRIT BIT(hwmon_power_crit)
|
|
#define HWMON_P_LABEL BIT(hwmon_power_label)
|
|
#define HWMON_P_ALARM BIT(hwmon_power_alarm)
|
|
#define HWMON_P_CAP_ALARM BIT(hwmon_power_cap_alarm)
|
|
#define HWMON_P_MIN_ALARM BIT(hwmon_power_min_alarm)
|
|
#define HWMON_P_MAX_ALARM BIT(hwmon_power_max_alarm)
|
|
#define HWMON_P_LCRIT_ALARM BIT(hwmon_power_lcrit_alarm)
|
|
#define HWMON_P_CRIT_ALARM BIT(hwmon_power_crit_alarm)
|
|
|
|
enum hwmon_energy_attributes {
|
|
hwmon_energy_enable,
|
|
hwmon_energy_input,
|
|
hwmon_energy_label,
|
|
};
|
|
|
|
#define HWMON_E_ENABLE BIT(hwmon_energy_enable)
|
|
#define HWMON_E_INPUT BIT(hwmon_energy_input)
|
|
#define HWMON_E_LABEL BIT(hwmon_energy_label)
|
|
|
|
enum hwmon_humidity_attributes {
|
|
hwmon_humidity_enable,
|
|
hwmon_humidity_input,
|
|
hwmon_humidity_label,
|
|
hwmon_humidity_min,
|
|
hwmon_humidity_min_hyst,
|
|
hwmon_humidity_max,
|
|
hwmon_humidity_max_hyst,
|
|
hwmon_humidity_alarm,
|
|
hwmon_humidity_fault,
|
|
};
|
|
|
|
#define HWMON_H_ENABLE BIT(hwmon_humidity_enable)
|
|
#define HWMON_H_INPUT BIT(hwmon_humidity_input)
|
|
#define HWMON_H_LABEL BIT(hwmon_humidity_label)
|
|
#define HWMON_H_MIN BIT(hwmon_humidity_min)
|
|
#define HWMON_H_MIN_HYST BIT(hwmon_humidity_min_hyst)
|
|
#define HWMON_H_MAX BIT(hwmon_humidity_max)
|
|
#define HWMON_H_MAX_HYST BIT(hwmon_humidity_max_hyst)
|
|
#define HWMON_H_ALARM BIT(hwmon_humidity_alarm)
|
|
#define HWMON_H_FAULT BIT(hwmon_humidity_fault)
|
|
|
|
enum hwmon_fan_attributes {
|
|
hwmon_fan_enable,
|
|
hwmon_fan_input,
|
|
hwmon_fan_label,
|
|
hwmon_fan_min,
|
|
hwmon_fan_max,
|
|
hwmon_fan_div,
|
|
hwmon_fan_pulses,
|
|
hwmon_fan_target,
|
|
hwmon_fan_alarm,
|
|
hwmon_fan_min_alarm,
|
|
hwmon_fan_max_alarm,
|
|
hwmon_fan_fault,
|
|
};
|
|
|
|
#define HWMON_F_ENABLE BIT(hwmon_fan_enable)
|
|
#define HWMON_F_INPUT BIT(hwmon_fan_input)
|
|
#define HWMON_F_LABEL BIT(hwmon_fan_label)
|
|
#define HWMON_F_MIN BIT(hwmon_fan_min)
|
|
#define HWMON_F_MAX BIT(hwmon_fan_max)
|
|
#define HWMON_F_DIV BIT(hwmon_fan_div)
|
|
#define HWMON_F_PULSES BIT(hwmon_fan_pulses)
|
|
#define HWMON_F_TARGET BIT(hwmon_fan_target)
|
|
#define HWMON_F_ALARM BIT(hwmon_fan_alarm)
|
|
#define HWMON_F_MIN_ALARM BIT(hwmon_fan_min_alarm)
|
|
#define HWMON_F_MAX_ALARM BIT(hwmon_fan_max_alarm)
|
|
#define HWMON_F_FAULT BIT(hwmon_fan_fault)
|
|
|
|
enum hwmon_pwm_attributes {
|
|
hwmon_pwm_input,
|
|
hwmon_pwm_enable,
|
|
hwmon_pwm_mode,
|
|
hwmon_pwm_freq,
|
|
};
|
|
|
|
#define HWMON_PWM_INPUT BIT(hwmon_pwm_input)
|
|
#define HWMON_PWM_ENABLE BIT(hwmon_pwm_enable)
|
|
#define HWMON_PWM_MODE BIT(hwmon_pwm_mode)
|
|
#define HWMON_PWM_FREQ BIT(hwmon_pwm_freq)
|
|
|
|
enum hwmon_intrusion_attributes {
|
|
hwmon_intrusion_alarm,
|
|
hwmon_intrusion_beep,
|
|
};
|
|
#define HWMON_INTRUSION_ALARM BIT(hwmon_intrusion_alarm)
|
|
#define HWMON_INTRUSION_BEEP BIT(hwmon_intrusion_beep)
|
|
|
|
/**
|
|
* struct hwmon_ops - hwmon device operations
|
|
* @is_visible: Callback to return attribute visibility. Mandatory.
|
|
* Parameters are:
|
|
* @const void *drvdata:
|
|
* Pointer to driver-private data structure passed
|
|
* as argument to hwmon_device_register_with_info().
|
|
* @type: Sensor type
|
|
* @attr: Sensor attribute
|
|
* @channel:
|
|
* Channel number
|
|
* The function returns the file permissions.
|
|
* If the return value is 0, no attribute will be created.
|
|
* @read: Read callback for data attributes. Mandatory if readable
|
|
* data attributes are present.
|
|
* Parameters are:
|
|
* @dev: Pointer to hardware monitoring device
|
|
* @type: Sensor type
|
|
* @attr: Sensor attribute
|
|
* @channel:
|
|
* Channel number
|
|
* @val: Pointer to returned value
|
|
* The function returns 0 on success or a negative error number.
|
|
* @read_string:
|
|
* Read callback for string attributes. Mandatory if string
|
|
* attributes are present.
|
|
* Parameters are:
|
|
* @dev: Pointer to hardware monitoring device
|
|
* @type: Sensor type
|
|
* @attr: Sensor attribute
|
|
* @channel:
|
|
* Channel number
|
|
* @str: Pointer to returned string
|
|
* The function returns 0 on success or a negative error number.
|
|
* @write: Write callback for data attributes. Mandatory if writeable
|
|
* data attributes are present.
|
|
* Parameters are:
|
|
* @dev: Pointer to hardware monitoring device
|
|
* @type: Sensor type
|
|
* @attr: Sensor attribute
|
|
* @channel:
|
|
* Channel number
|
|
* @val: Value to write
|
|
* The function returns 0 on success or a negative error number.
|
|
*/
|
|
struct hwmon_ops {
|
|
umode_t (*is_visible)(const void *drvdata, enum hwmon_sensor_types type,
|
|
u32 attr, int channel);
|
|
int (*read)(struct device *dev, enum hwmon_sensor_types type,
|
|
u32 attr, int channel, long *val);
|
|
int (*read_string)(struct device *dev, enum hwmon_sensor_types type,
|
|
u32 attr, int channel, const char **str);
|
|
int (*write)(struct device *dev, enum hwmon_sensor_types type,
|
|
u32 attr, int channel, long val);
|
|
};
|
|
|
|
/**
|
|
* Channel information
|
|
* @type: Channel type.
|
|
* @config: Pointer to NULL-terminated list of channel parameters.
|
|
* Use for per-channel attributes.
|
|
*/
|
|
struct hwmon_channel_info {
|
|
enum hwmon_sensor_types type;
|
|
const u32 *config;
|
|
};
|
|
|
|
#define HWMON_CHANNEL_INFO(stype, ...) \
|
|
(&(struct hwmon_channel_info) { \
|
|
.type = hwmon_##stype, \
|
|
.config = (u32 []) { \
|
|
__VA_ARGS__, 0 \
|
|
} \
|
|
})
|
|
|
|
/**
|
|
* Chip configuration
|
|
* @ops: Pointer to hwmon operations.
|
|
* @info: Null-terminated list of channel information.
|
|
*/
|
|
struct hwmon_chip_info {
|
|
const struct hwmon_ops *ops;
|
|
const struct hwmon_channel_info **info;
|
|
};
|
|
|
|
/* hwmon_device_register() is deprecated */
|
|
struct device *hwmon_device_register(struct device *dev);
|
|
|
|
struct device *
|
|
hwmon_device_register_with_groups(struct device *dev, const char *name,
|
|
void *drvdata,
|
|
const struct attribute_group **groups);
|
|
struct device *
|
|
devm_hwmon_device_register_with_groups(struct device *dev, const char *name,
|
|
void *drvdata,
|
|
const struct attribute_group **groups);
|
|
struct device *
|
|
hwmon_device_register_with_info(struct device *dev,
|
|
const char *name, void *drvdata,
|
|
const struct hwmon_chip_info *info,
|
|
const struct attribute_group **extra_groups);
|
|
struct device *
|
|
devm_hwmon_device_register_with_info(struct device *dev,
|
|
const char *name, void *drvdata,
|
|
const struct hwmon_chip_info *info,
|
|
const struct attribute_group **extra_groups);
|
|
|
|
void hwmon_device_unregister(struct device *dev);
|
|
void devm_hwmon_device_unregister(struct device *dev);
|
|
|
|
/**
|
|
* hwmon_is_bad_char - Is the char invalid in a hwmon name
|
|
* @ch: the char to be considered
|
|
*
|
|
* hwmon_is_bad_char() can be used to determine if the given character
|
|
* may not be used in a hwmon name.
|
|
*
|
|
* Returns true if the char is invalid, false otherwise.
|
|
*/
|
|
static inline bool hwmon_is_bad_char(const char ch)
|
|
{
|
|
switch (ch) {
|
|
case '-':
|
|
case '*':
|
|
case ' ':
|
|
case '\t':
|
|
case '\n':
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
#endif
|