Quelle apm-emulation.h Sprache: C

/* 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 */

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