cregit-Linux how code gets into the kernel

Release 4.7 include/uapi/linux/apm_bios.h

/*
 * Include file for the interface to an APM BIOS
 * Copyright 1994-2001 Stephen Rothwell (sfr@canb.auug.org.au)
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2, or (at your option) any
 * later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 */
#ifndef _UAPI_LINUX_APM_H

#define _UAPI_LINUX_APM_H


#include <linux/types.h>


typedef unsigned short	apm_event_t;

typedef unsigned short	apm_eventinfo_t;


struct apm_bios_info {
	
__u16	version;
	
__u16	cseg;
	
__u32	offset;
	
__u16	cseg_16;
	
__u16	dseg;
	
__u16	flags;
	
__u16	cseg_len;
	
__u16	cseg_16_len;
	
__u16	dseg_len;
};


/*
 * Power states
 */

#define APM_STATE_READY		0x0000

#define APM_STATE_STANDBY	0x0001

#define APM_STATE_SUSPEND	0x0002

#define APM_STATE_OFF		0x0003

#define APM_STATE_BUSY		0x0004

#define APM_STATE_REJECT	0x0005

#define APM_STATE_OEM_SYS	0x0020

#define APM_STATE_OEM_DEV	0x0040


#define APM_STATE_DISABLE	0x0000

#define APM_STATE_ENABLE	0x0001


#define APM_STATE_DISENGAGE	0x0000

#define APM_STATE_ENGAGE	0x0001

/*
 * Events (results of Get PM Event)
 */

#define APM_SYS_STANDBY		0x0001

#define APM_SYS_SUSPEND		0x0002

#define APM_NORMAL_RESUME	0x0003

#define APM_CRITICAL_RESUME	0x0004

#define APM_LOW_BATTERY		0x0005

#define APM_POWER_STATUS_CHANGE	0x0006

#define APM_UPDATE_TIME		0x0007

#define APM_CRITICAL_SUSPEND	0x0008

#define APM_USER_STANDBY	0x0009

#define APM_USER_SUSPEND	0x000a

#define APM_STANDBY_RESUME	0x000b

#define APM_CAPABILITY_CHANGE	0x000c

#define APM_USER_HIBERNATION	0x000d

#define APM_HIBERNATION_RESUME	0x000e

/*
 * Error codes
 */

#define APM_SUCCESS		0x00

#define APM_DISABLED		0x01

#define APM_CONNECTED		0x02

#define APM_NOT_CONNECTED	0x03

#define APM_16_CONNECTED	0x05

#define APM_16_UNSUPPORTED	0x06

#define APM_32_CONNECTED	0x07

#define APM_32_UNSUPPORTED	0x08

#define APM_BAD_DEVICE		0x09

#define APM_BAD_PARAM		0x0a

#define APM_NOT_ENGAGED		0x0b

#define APM_BAD_FUNCTION	0x0c

#define APM_RESUME_DISABLED	0x0d

#define APM_NO_ERROR		0x53

#define APM_BAD_STATE		0x60

#define APM_NO_EVENTS		0x80

#define APM_NOT_PRESENT		0x86

/*
 * APM Device IDs
 */

#define APM_DEVICE_BIOS		0x0000

#define APM_DEVICE_ALL		0x0001

#define APM_DEVICE_DISPLAY	0x0100

#define APM_DEVICE_STORAGE	0x0200

#define APM_DEVICE_PARALLEL	0x0300

#define APM_DEVICE_SERIAL	0x0400

#define APM_DEVICE_NETWORK	0x0500

#define APM_DEVICE_PCMCIA	0x0600

#define APM_DEVICE_BATTERY	0x8000

#define APM_DEVICE_OEM		0xe000

#define APM_DEVICE_OLD_ALL	0xffff

#define APM_DEVICE_CLASS	0x00ff

#define APM_DEVICE_MASK		0xff00


/*
 * Battery status
 */

#define APM_MAX_BATTERIES	2

/*
 * APM defined capability bit flags
 */

#define APM_CAP_GLOBAL_STANDBY		0x0001

#define APM_CAP_GLOBAL_SUSPEND		0x0002

#define APM_CAP_RESUME_STANDBY_TIMER	0x0004 
/* Timer resume from standby */

#define APM_CAP_RESUME_SUSPEND_TIMER	0x0008 
/* Timer resume from suspend */

#define APM_CAP_RESUME_STANDBY_RING	0x0010 
/* Resume on Ring fr standby */

#define APM_CAP_RESUME_SUSPEND_RING	0x0020 
/* Resume on Ring fr suspend */

#define APM_CAP_RESUME_STANDBY_PCMCIA	0x0040 
/* Resume on PCMCIA Ring        */

#define APM_CAP_RESUME_SUSPEND_PCMCIA	0x0080 
/* Resume on PCMCIA Ring        */

/*
 * ioctl operations
 */
#include <linux/ioctl.h>


#define APM_IOC_STANDBY		_IO('A', 1)

#define APM_IOC_SUSPEND		_IO('A', 2)

#endif /* _UAPI_LINUX_APM_H */

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