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/config.h>
17 #include <linux/apm_bios.h>
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.
23 struct 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
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
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
49 #define APM_UNITS_MINS 0
50 #define APM_UNITS_SECS 1
51 #define APM_UNITS_UNKNOWN -1
56 * This allows machines to provide their own "apm get power status" function.
58 extern void (*apm_get_power_status)(struct apm_power_info *);
61 * Queue an event (APM_SYS_SUSPEND or APM_CRITICAL_SUSPEND)
63 void apm_queue_event(apm_event_t event);