| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* -*- linux-c -*- |
| * |
| * (C) 2003 [email protected] |
| * |
| * based on arch/arm/kernel/apm.c |
| * factor out the information needed by architectures to provide |
| * apm status |
| */ |
| #ifndef __LINUX_APM_EMULATION_H |
| #define __LINUX_APM_EMULATION_H |
| |
| #include <linux/apm_bios.h> |
| |
| /* |
| * This structure gets filled in by the machine specific 'get_power_status' |
| * implementation. Any fields which are not set default to a safe value. |
| */ |
| struct apm_power_info { |
| unsigned char ac_line_status; |
| #define APM_AC_OFFLINE 0 |
| #define APM_AC_ONLINE 1 |
| #define APM_AC_BACKUP 2 |
| #define APM_AC_UNKNOWN 0xff |
| |
| unsigned char battery_status; |
| #define APM_BATTERY_STATUS_HIGH 0 |
| #define APM_BATTERY_STATUS_LOW 1 |
| #define APM_BATTERY_STATUS_CRITICAL 2 |
| #define APM_BATTERY_STATUS_CHARGING 3 |
| #define APM_BATTERY_STATUS_NOT_PRESENT 4 |
| #define APM_BATTERY_STATUS_UNKNOWN 0xff |
| |
| unsigned char battery_flag; |
| #define APM_BATTERY_FLAG_HIGH (1 << 0) |
| #define APM_BATTERY_FLAG_LOW (1 << 1) |
| #define APM_BATTERY_FLAG_CRITICAL (1 << 2) |
| #define APM_BATTERY_FLAG_CHARGING (1 << 3) |
| #define APM_BATTERY_FLAG_NOT_PRESENT (1 << 7) |
| #define APM_BATTERY_FLAG_UNKNOWN 0xff |
| |
| int battery_life; |
| int time; |
| int units; |
| #define APM_UNITS_MINS 0 |
| #define APM_UNITS_SECS 1 |
| #define APM_UNITS_UNKNOWN -1 |
| |
| }; |
| |
| /* |
| * This allows machines to provide their own "apm get power status" function. |
| */ |
| extern void (*apm_get_power_status)(struct apm_power_info *); |
| |
| /* |
| * Queue an event (APM_SYS_SUSPEND or APM_CRITICAL_SUSPEND) |
| */ |
| void apm_queue_event(apm_event_t event); |
| |
| #endif /* __LINUX_APM_EMULATION_H */ |
