Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
at v2.6.17-rc6 65 lines 1.6 kB view raw
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 * 12 */ 13#ifndef ARM_ASM_SA1100_APM_H 14#define ARM_ASM_SA1100_APM_H 15 16#include <linux/config.h> 17#include <linux/apm_bios.h> 18 19/* 20 * This structure gets filled in by the machine specific 'get_power_status' 21 * implementation. Any fields which are not set default to a safe value. 22 */ 23struct apm_power_info { 24 unsigned char ac_line_status; 25#define APM_AC_OFFLINE 0 26#define APM_AC_ONLINE 1 27#define APM_AC_BACKUP 2 28#define APM_AC_UNKNOWN 0xff 29 30 unsigned char battery_status; 31#define APM_BATTERY_STATUS_HIGH 0 32#define APM_BATTERY_STATUS_LOW 1 33#define APM_BATTERY_STATUS_CRITICAL 2 34#define APM_BATTERY_STATUS_CHARGING 3 35#define APM_BATTERY_STATUS_NOT_PRESENT 4 36#define APM_BATTERY_STATUS_UNKNOWN 0xff 37 38 unsigned char battery_flag; 39#define APM_BATTERY_FLAG_HIGH (1 << 0) 40#define APM_BATTERY_FLAG_LOW (1 << 1) 41#define APM_BATTERY_FLAG_CRITICAL (1 << 2) 42#define APM_BATTERY_FLAG_CHARGING (1 << 3) 43#define APM_BATTERY_FLAG_NOT_PRESENT (1 << 7) 44#define APM_BATTERY_FLAG_UNKNOWN 0xff 45 46 int battery_life; 47 int time; 48 int units; 49#define APM_UNITS_MINS 0 50#define APM_UNITS_SECS 1 51#define APM_UNITS_UNKNOWN -1 52 53}; 54 55/* 56 * This allows machines to provide their own "apm get power status" function. 57 */ 58extern void (*apm_get_power_status)(struct apm_power_info *); 59 60/* 61 * Queue an event (APM_SYS_SUSPEND or APM_CRITICAL_SUSPEND) 62 */ 63void apm_queue_event(apm_event_t event); 64 65#endif