1 /* -*- linux-c -*- 2 * 3 * (C) 2003 zecke@handhelds.org 4 * 5 * GPL version 2 6 * 7 * based on arch/arm/kernel/apm.c 8 * factor out the information needed by architectures to provide 9 * apm status 10 */ 11 #ifndef __LINUX_APM_EMULATION_H 12 #define __LINUX_APM_EMULATION_H 13 14 #include <linux/apm_bios.h> 15 16 /* 17 * This structure gets filled in by the machine specific 'get_power_status' 18 * implementation. Any fields which are not set default to a safe value. 19 */ 20 struct apm_power_info { 21 unsigned char ac_line_status; 22 #define APM_AC_OFFLINE 0 23 #define APM_AC_ONLINE 1 24 #define APM_AC_BACKUP 2 25 #define APM_AC_UNKNOWN 0xff 26 27 unsigned char battery_status; 28 #define APM_BATTERY_STATUS_HIGH 0 29 #define APM_BATTERY_STATUS_LOW 1 30 #define APM_BATTERY_STATUS_CRITICAL 2 31 #define APM_BATTERY_STATUS_CHARGING 3 32 #define APM_BATTERY_STATUS_NOT_PRESENT 4 33 #define APM_BATTERY_STATUS_UNKNOWN 0xff 34 35 unsigned char battery_flag; 36 #define APM_BATTERY_FLAG_HIGH (1 << 0) 37 #define APM_BATTERY_FLAG_LOW (1 << 1) 38 #define APM_BATTERY_FLAG_CRITICAL (1 << 2) 39 #define APM_BATTERY_FLAG_CHARGING (1 << 3) 40 #define APM_BATTERY_FLAG_NOT_PRESENT (1 << 7) 41 #define APM_BATTERY_FLAG_UNKNOWN 0xff 42 43 int battery_life; 44 int time; 45 int units; 46 #define APM_UNITS_MINS 0 47 #define APM_UNITS_SECS 1 48 #define APM_UNITS_UNKNOWN -1 49 50 }; 51 52 /* 53 * This allows machines to provide their own "apm get power status" function. 54 */ 55 extern void (*apm_get_power_status)(struct apm_power_info *); 56 57 /* 58 * Queue an event (APM_SYS_SUSPEND or APM_CRITICAL_SUSPEND) 59 */ 60 void apm_queue_event(apm_event_t event); 61 62 #endif /* __LINUX_APM_EMULATION_H */ 63