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