Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/include/linux/apm-emulation.h
10814 views
1
/* -*- linux-c -*-

2
 *

3
 * (C) 2003 [email protected]

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


64