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Diffstat (limited to 'target/linux/olpc/files/include/linux/battery.h')
| -rw-r--r-- | target/linux/olpc/files/include/linux/battery.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/target/linux/olpc/files/include/linux/battery.h b/target/linux/olpc/files/include/linux/battery.h new file mode 100644 index 000000000..2f856a0d7 --- /dev/null +++ b/target/linux/olpc/files/include/linux/battery.h @@ -0,0 +1,101 @@ +/* + * Driver model for batteries + * + * © 2006 David Woodhouse <dwmw2@infradead.org> + * + * Based on LED Class support, by John Lenz and Richard Purdie: + * + * © 2005 John Lenz <lenz@cs.wisc.edu> + * © 2005-2006 Richard Purdie <rpurdie@openedhand.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ +#ifndef __LINUX_BATTERY_H__ +#define __LINUX_BATTERY_H__ + +struct device; +struct class_device; + +/* + * Battery Core + */ +#define PWRDEV_TYPE_BATTERY 0 +#define PWRDEV_TYPE_AC 1 + +#define BAT_STAT_PRESENT (1<<0) +#define BAT_STAT_LOW (1<<1) +#define BAT_STAT_FULL (1<<2) +#define BAT_STAT_CHARGING (1<<3) +#define BAT_STAT_DISCHARGING (1<<4) +#define BAT_STAT_OVERTEMP (1<<5) +#define BAT_STAT_CRITICAL (1<<6) +#define BAT_STAT_FIRE (1<<7) +#define BAT_STAT_CHARGE_DONE (1<<8) + +/* Thou shalt not export any attributes in sysfs except these, and + with these units: */ +#define BAT_INFO_STATUS "status" /* Not free-form. Use + provided function */ +#define BAT_INFO_TEMP1 "temp1" /* °C/1000 */ +#define BAT_INFO_TEMP1_NAME "temp1_name" /* string */ + +#define BAT_INFO_TEMP2 "temp2" /* °C/1000 */ +#define BAT_INFO_TEMP2_NAME "temp2_name" /* string */ + +#define BAT_INFO_VOLTAGE "voltage" /* mV */ +#define BAT_INFO_VOLTAGE_DESIGN "voltage_design" /* mV */ + +#define BAT_INFO_CURRENT "current" /* mA */ +#define BAT_INFO_CURRENT_NOW "current_now" /* mA */ + +#define BAT_INFO_POWER "power" /* mW */ +#define BAT_INFO_POWER_NOW "power_now" /* mW */ + +/* The following capacity/charge properties are represented in either + mA or mW. The CAP_UNITS property MUST be provided if any of these are. */ +#define BAT_INFO_RATE "rate" /* CAP_UNITS */ +#define BAT_INFO_CAP_LEFT "capacity_left" /* CAP_UNITS*h */ +#define BAT_INFO_CAP_DESIGN "capacity_design" /* CAP_UNITS*h */ +#define BAT_INFO_CAP_LAST_FULL "capacity_last_full" /* CAP_UNITS*h */ +#define BAT_INFO_CAP_LOW "capacity_low_thresh" /* CAP_UNITS*h */ +#define BAT_INFO_CAP_WARN "capacity_warn_thresh" /* CAP_UNITS*h */ +#define BAT_INFO_CAP_UNITS "capacity_units" /* string: must be + either mA or mW */ + +#define BAT_INFO_CAP_PCT "capacity_percentage" /* integer */ + +#define BAT_INFO_TIME_EMPTY "time_to_empty" /* seconds */ +#define BAT_INFO_TIME_EMPTY_NOW "time_to_empty_now" /* seconds */ +#define BAT_INFO_TIME_FULL "time_to_full" /* seconds */ +#define BAT_INFO_TIME_FULL_NOW "time_to_full_now" /* seconds */ + +#define BAT_INFO_MANUFACTURER "manufacturer" /* string */ +#define BAT_INFO_TECHNOLOGY "technology" /* string */ +#define BAT_INFO_MODEL "model" /* string */ +#define BAT_INFO_SERIAL "serial" /* string */ +#define BAT_INFO_OEM_INFO "oem_info" /* string */ + +#define BAT_INFO_CYCLE_COUNT "cycle_count" /* integer */ +#define BAT_INFO_DATE_MFR "date_manufactured" /* YYYY[-MM[-DD]] */ +#define BAT_INFO_DATE_FIRST_USE "date_first_use" /* YYYY[-MM[-DD]] */ + +struct battery_dev { + int status_cap; + int id; + int type; + const char *name; + + struct device *dev; +}; + +int battery_device_register(struct device *parent, + struct battery_dev *battery_cdev); +void battery_device_unregister(struct battery_dev *battery_cdev); + + +ssize_t battery_attribute_show_status(char *buf, unsigned long status); +ssize_t battery_attribute_show_ac_status(char *buf, unsigned long status); +#endif /* __LINUX_BATTERY_H__ */ |