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102 lines
3.4 KiB
C
102 lines
3.4 KiB
C
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/*
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* Driver model for batteries
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*
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* © 2006 David Woodhouse <dwmw2@infradead.org>
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*
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* Based on LED Class support, by John Lenz and Richard Purdie:
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*
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* © 2005 John Lenz <lenz@cs.wisc.edu>
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* © 2005-2006 Richard Purdie <rpurdie@openedhand.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#ifndef __LINUX_BATTERY_H__
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#define __LINUX_BATTERY_H__
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struct device;
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struct class_device;
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/*
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* Battery Core
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*/
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#define PWRDEV_TYPE_BATTERY 0
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#define PWRDEV_TYPE_AC 1
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#define BAT_STAT_PRESENT (1<<0)
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#define BAT_STAT_LOW (1<<1)
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#define BAT_STAT_FULL (1<<2)
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#define BAT_STAT_CHARGING (1<<3)
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#define BAT_STAT_DISCHARGING (1<<4)
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#define BAT_STAT_OVERTEMP (1<<5)
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#define BAT_STAT_CRITICAL (1<<6)
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#define BAT_STAT_FIRE (1<<7)
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#define BAT_STAT_CHARGE_DONE (1<<8)
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/* Thou shalt not export any attributes in sysfs except these, and
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with these units: */
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#define BAT_INFO_STATUS "status" /* Not free-form. Use
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provided function */
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#define BAT_INFO_TEMP1 "temp1" /* °C/1000 */
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#define BAT_INFO_TEMP1_NAME "temp1_name" /* string */
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#define BAT_INFO_TEMP2 "temp2" /* °C/1000 */
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#define BAT_INFO_TEMP2_NAME "temp2_name" /* string */
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#define BAT_INFO_VOLTAGE "voltage" /* mV */
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#define BAT_INFO_VOLTAGE_DESIGN "voltage_design" /* mV */
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#define BAT_INFO_CURRENT "current" /* mA */
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#define BAT_INFO_CURRENT_NOW "current_now" /* mA */
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#define BAT_INFO_POWER "power" /* mW */
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#define BAT_INFO_POWER_NOW "power_now" /* mW */
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/* The following capacity/charge properties are represented in either
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mA or mW. The CAP_UNITS property MUST be provided if any of these are. */
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#define BAT_INFO_RATE "rate" /* CAP_UNITS */
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#define BAT_INFO_CAP_LEFT "capacity_left" /* CAP_UNITS*h */
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#define BAT_INFO_CAP_DESIGN "capacity_design" /* CAP_UNITS*h */
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#define BAT_INFO_CAP_LAST_FULL "capacity_last_full" /* CAP_UNITS*h */
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#define BAT_INFO_CAP_LOW "capacity_low_thresh" /* CAP_UNITS*h */
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#define BAT_INFO_CAP_WARN "capacity_warn_thresh" /* CAP_UNITS*h */
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#define BAT_INFO_CAP_UNITS "capacity_units" /* string: must be
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either mA or mW */
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#define BAT_INFO_CAP_PCT "capacity_percentage" /* integer */
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#define BAT_INFO_TIME_EMPTY "time_to_empty" /* seconds */
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#define BAT_INFO_TIME_EMPTY_NOW "time_to_empty_now" /* seconds */
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#define BAT_INFO_TIME_FULL "time_to_full" /* seconds */
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#define BAT_INFO_TIME_FULL_NOW "time_to_full_now" /* seconds */
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#define BAT_INFO_MANUFACTURER "manufacturer" /* string */
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#define BAT_INFO_TECHNOLOGY "technology" /* string */
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#define BAT_INFO_MODEL "model" /* string */
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#define BAT_INFO_SERIAL "serial" /* string */
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#define BAT_INFO_OEM_INFO "oem_info" /* string */
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#define BAT_INFO_CYCLE_COUNT "cycle_count" /* integer */
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#define BAT_INFO_DATE_MFR "date_manufactured" /* YYYY[-MM[-DD]] */
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#define BAT_INFO_DATE_FIRST_USE "date_first_use" /* YYYY[-MM[-DD]] */
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struct battery_dev {
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int status_cap;
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int id;
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int type;
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const char *name;
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struct device *dev;
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};
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int battery_device_register(struct device *parent,
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struct battery_dev *battery_cdev);
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void battery_device_unregister(struct battery_dev *battery_cdev);
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ssize_t battery_attribute_show_status(char *buf, unsigned long status);
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ssize_t battery_attribute_show_ac_status(char *buf, unsigned long status);
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#endif /* __LINUX_BATTERY_H__ */
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