apm.h
上传用户:szlgq88
上传日期:2009-04-28
资源大小:48287k
文件大小:2k
- /* -*- linux-c -*-
- *
- * (C) 2003 zecke@handhelds.org
- *
- * GPL version 2
- *
- * based on arch/arm/kernel/apm.c
- * factor out the information needed by architectures to provide
- * apm status
- *
- *
- */
- #ifndef ARM_ASM_SA1100_APM_H
- #define ARM_ASM_SA1100_APM_H
- #include <linux/config.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