/*
 * Copyright 2006, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
 * Distributed under the terms of the MIT License.
 */
#ifndef KERNEL_APM_H
#define KERNEL_APM_H

#include <SupportDefs.h>

#include <arch/x86/apm_defs.h>


struct kernel_args;


// int 0x15 APM definitions
#define BIOS_APM_CHECK                          0x5300
#define BIOS_APM_CONNECT_32_BIT         0x5303
#define BIOS_APM_DISCONNECT                     0x5304
#define BIOS_APM_CPU_IDLE                       0x5305
#define BIOS_APM_CPU_BUSY                       0x5306
#define BIOS_APM_SET_STATE                      0x5307
#define BIOS_APM_ENABLE                         0x5308
#define BIOS_APM_GET_POWER_STATUS       0x530a
#define BIOS_APM_GET_EVENT                      0x530b
#define BIOS_APM_GET_STATE                      0x530c
#define BIOS_APM_VERSION                        0x530e
#define BIOS_APM_ENGAGE                         0x530f

// APM devices
#define APM_ALL_DEVICES                         0x0001

// APM power states
#define APM_POWER_STATE_ENABLED         0x0000
#define APM_POWER_STATE_STANDBY         0x0001
#define APM_POWER_STATE_SUSPEND         0x0002
#define APM_POWER_STATE_OFF                     0x0003

typedef struct apm_info {
        uint16  version;
        uint16  flags;
        uint16  code32_segment_base;
        uint32  code32_segment_offset;
        uint16  code32_segment_length;
        uint16  code16_segment_base;
        uint16  code16_segment_length;
        uint16  data_segment_base;
        uint16  data_segment_length;
} apm_info;


#ifndef _BOOT_MODE
#ifndef __x86_64__
#ifdef __cplusplus
extern "C" {
#endif

status_t apm_shutdown(void);
status_t apm_init(struct kernel_args *args);

#ifdef __cplusplus
}
#endif
#endif  // !__x86_64__
#endif  // !_BOOT_MODE

#endif  /* KERNEL_APM_H */