/* 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 0xff

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 0xff

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 0xff

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 */