| Ralf Baechle | 7726942 | 2007-02-09 17:08:57 +0000 | [diff] [blame] | 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 | #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 */ |