/* SPDX-License-Identifier: GPL-2.0-only */
/* -*- linux-c -*-
*
* ( C ) 2003 zecke @ handhelds . org
*
* based on arch / arm / kernel / apm . c
* factor out the information needed by architectures to provide
* apm status
*/
#ifndef __LINUX_APM_EMULATION_H
#define __LINUX_APM_EMULATION_H
#include <linux/apm_bios.h>
/*
* This structure gets filled in by the machine specific ' get_power_status '
* implementation . Any fields which are not set default to a safe value .
*/
struct apm_power_info {
unsigned char ac_line_status;
#define APM_AC_OFFLINE 0
#define APM_AC_ONLINE 1
#define APM_AC_BACKUP 2
#define APM_AC_UNKNOWN 0 xff
unsigned char battery_status;
#define APM_BATTERY_STATUS_HIGH 0
#define APM_BATTERY_STATUS_LOW 1
#define APM_BATTERY_STATUS_CRITICAL 2
#define APM_BATTERY_STATUS_CHARGING 3
#define APM_BATTERY_STATUS_NOT_PRESENT 4
#define APM_BATTERY_STATUS_UNKNOWN 0 xff
unsigned char battery_flag;
#define APM_BATTERY_FLAG_HIGH (1 << 0 )
#define APM_BATTERY_FLAG_LOW (1 << 1 )
#define APM_BATTERY_FLAG_CRITICAL (1 << 2 )
#define APM_BATTERY_FLAG_CHARGING (1 << 3 )
#define APM_BATTERY_FLAG_NOT_PRESENT (1 << 7 )
#define APM_BATTERY_FLAG_UNKNOWN 0 xff
int battery_life;
int time;
int units;
#define APM_UNITS_MINS 0
#define APM_UNITS_SECS 1
#define APM_UNITS_UNKNOWN -1
};
/*
* This allows machines to provide their own " apm get power status " function .
*/
extern void (*apm_get_power_status)(struct apm_power_info *);
/*
* Queue an event ( APM_SYS_SUSPEND or APM_CRITICAL_SUSPEND )
*/
void apm_queue_event(apm_event_t event);
#endif /* __LINUX_APM_EMULATION_H */
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