3 * (C) 2003 zecke@handhelds.org
7 * based on arch/arm/kernel/apm.c
8 * factor out the information needed by architectures to provide
13 #ifndef ARM_ASM_SA1100_APM_H
14 #define ARM_ASM_SA1100_APM_H
16 #include <linux/apm_bios.h>
19 * This structure gets filled in by the machine specific 'get_power_status'
20 * implementation. Any fields which are not set default to a safe value.
22 struct apm_power_info {
23 unsigned char ac_line_status;
24 #define APM_AC_OFFLINE 0
25 #define APM_AC_ONLINE 1
26 #define APM_AC_BACKUP 2
27 #define APM_AC_UNKNOWN 0xff
29 unsigned char battery_status;
30 #define APM_BATTERY_STATUS_HIGH 0
31 #define APM_BATTERY_STATUS_LOW 1
32 #define APM_BATTERY_STATUS_CRITICAL 2
33 #define APM_BATTERY_STATUS_CHARGING 3
34 #define APM_BATTERY_STATUS_NOT_PRESENT 4
35 #define APM_BATTERY_STATUS_UNKNOWN 0xff
37 unsigned char battery_flag;
38 #define APM_BATTERY_FLAG_HIGH (1 << 0)
39 #define APM_BATTERY_FLAG_LOW (1 << 1)
40 #define APM_BATTERY_FLAG_CRITICAL (1 << 2)
41 #define APM_BATTERY_FLAG_CHARGING (1 << 3)
42 #define APM_BATTERY_FLAG_NOT_PRESENT (1 << 7)
43 #define APM_BATTERY_FLAG_UNKNOWN 0xff
48 #define APM_UNITS_MINS 0
49 #define APM_UNITS_SECS 1
50 #define APM_UNITS_UNKNOWN -1
55 * This allows machines to provide their own "apm get power status" function.
57 extern void (*apm_get_power_status)(struct apm_power_info *);
60 * Queue an event (APM_SYS_SUSPEND or APM_CRITICAL_SUSPEND)
62 void apm_queue_event(apm_event_t event);