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f0aa4fa4 | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
7726942f RB |
2 | /* -*- linux-c -*- |
3 | * | |
4 | * (C) 2003 zecke@handhelds.org | |
5 | * | |
7726942f RB |
6 | * based on arch/arm/kernel/apm.c |
7 | * factor out the information needed by architectures to provide | |
8 | * apm status | |
9 | */ | |
10 | #ifndef __LINUX_APM_EMULATION_H | |
11 | #define __LINUX_APM_EMULATION_H | |
12 | ||
13 | #include <linux/apm_bios.h> | |
14 | ||
15 | /* | |
16 | * This structure gets filled in by the machine specific 'get_power_status' | |
17 | * implementation. Any fields which are not set default to a safe value. | |
18 | */ | |
19 | struct apm_power_info { | |
20 | unsigned char ac_line_status; | |
21 | #define APM_AC_OFFLINE 0 | |
22 | #define APM_AC_ONLINE 1 | |
23 | #define APM_AC_BACKUP 2 | |
24 | #define APM_AC_UNKNOWN 0xff | |
25 | ||
26 | unsigned char battery_status; | |
27 | #define APM_BATTERY_STATUS_HIGH 0 | |
28 | #define APM_BATTERY_STATUS_LOW 1 | |
29 | #define APM_BATTERY_STATUS_CRITICAL 2 | |
30 | #define APM_BATTERY_STATUS_CHARGING 3 | |
31 | #define APM_BATTERY_STATUS_NOT_PRESENT 4 | |
32 | #define APM_BATTERY_STATUS_UNKNOWN 0xff | |
33 | ||
34 | unsigned char battery_flag; | |
35 | #define APM_BATTERY_FLAG_HIGH (1 << 0) | |
36 | #define APM_BATTERY_FLAG_LOW (1 << 1) | |
37 | #define APM_BATTERY_FLAG_CRITICAL (1 << 2) | |
38 | #define APM_BATTERY_FLAG_CHARGING (1 << 3) | |
39 | #define APM_BATTERY_FLAG_NOT_PRESENT (1 << 7) | |
40 | #define APM_BATTERY_FLAG_UNKNOWN 0xff | |
41 | ||
42 | int battery_life; | |
43 | int time; | |
44 | int units; | |
45 | #define APM_UNITS_MINS 0 | |
46 | #define APM_UNITS_SECS 1 | |
47 | #define APM_UNITS_UNKNOWN -1 | |
48 | ||
49 | }; | |
50 | ||
51 | /* | |
52 | * This allows machines to provide their own "apm get power status" function. | |
53 | */ | |
54 | extern void (*apm_get_power_status)(struct apm_power_info *); | |
55 | ||
56 | /* | |
57 | * Queue an event (APM_SYS_SUSPEND or APM_CRITICAL_SUSPEND) | |
58 | */ | |
59 | void apm_queue_event(apm_event_t event); | |
60 | ||
61 | #endif /* __LINUX_APM_EMULATION_H */ |