1  /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
2  /*
3   * Include file for the interface to an APM BIOS
4   * Copyright 1994-2001 Stephen Rothwell (sfr@canb.auug.org.au)
5   *
6   * This program is free software; you can redistribute it and/or modify it
7   * under the terms of the GNU General Public License as published by the
8   * Free Software Foundation; either version 2, or (at your option) any
9   * later version.
10   *
11   * This program is distributed in the hope that it will be useful, but
12   * WITHOUT ANY WARRANTY; without even the implied warranty of
13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14   * General Public License for more details.
15   */
16  #ifndef _UAPI_LINUX_APM_H
17  #define _UAPI_LINUX_APM_H
18  
19  
20  #include <linux/types.h>
21  
22  typedef unsigned short	apm_event_t;
23  typedef unsigned short	apm_eventinfo_t;
24  
25  struct apm_bios_info {
26  	__u16	version;
27  	__u16	cseg;
28  	__u32	offset;
29  	__u16	cseg_16;
30  	__u16	dseg;
31  	__u16	flags;
32  	__u16	cseg_len;
33  	__u16	cseg_16_len;
34  	__u16	dseg_len;
35  };
36  
37  
38  /*
39   * Power states
40   */
41  #define APM_STATE_READY		0x0000
42  #define APM_STATE_STANDBY	0x0001
43  #define APM_STATE_SUSPEND	0x0002
44  #define APM_STATE_OFF		0x0003
45  #define APM_STATE_BUSY		0x0004
46  #define APM_STATE_REJECT	0x0005
47  #define APM_STATE_OEM_SYS	0x0020
48  #define APM_STATE_OEM_DEV	0x0040
49  
50  #define APM_STATE_DISABLE	0x0000
51  #define APM_STATE_ENABLE	0x0001
52  
53  #define APM_STATE_DISENGAGE	0x0000
54  #define APM_STATE_ENGAGE	0x0001
55  
56  /*
57   * Events (results of Get PM Event)
58   */
59  #define APM_SYS_STANDBY		0x0001
60  #define APM_SYS_SUSPEND		0x0002
61  #define APM_NORMAL_RESUME	0x0003
62  #define APM_CRITICAL_RESUME	0x0004
63  #define APM_LOW_BATTERY		0x0005
64  #define APM_POWER_STATUS_CHANGE	0x0006
65  #define APM_UPDATE_TIME		0x0007
66  #define APM_CRITICAL_SUSPEND	0x0008
67  #define APM_USER_STANDBY	0x0009
68  #define APM_USER_SUSPEND	0x000a
69  #define APM_STANDBY_RESUME	0x000b
70  #define APM_CAPABILITY_CHANGE	0x000c
71  #define APM_USER_HIBERNATION	0x000d
72  #define APM_HIBERNATION_RESUME	0x000e
73  
74  /*
75   * Error codes
76   */
77  #define APM_SUCCESS		0x00
78  #define APM_DISABLED		0x01
79  #define APM_CONNECTED		0x02
80  #define APM_NOT_CONNECTED	0x03
81  #define APM_16_CONNECTED	0x05
82  #define APM_16_UNSUPPORTED	0x06
83  #define APM_32_CONNECTED	0x07
84  #define APM_32_UNSUPPORTED	0x08
85  #define APM_BAD_DEVICE		0x09
86  #define APM_BAD_PARAM		0x0a
87  #define APM_NOT_ENGAGED		0x0b
88  #define APM_BAD_FUNCTION	0x0c
89  #define APM_RESUME_DISABLED	0x0d
90  #define APM_NO_ERROR		0x53
91  #define APM_BAD_STATE		0x60
92  #define APM_NO_EVENTS		0x80
93  #define APM_NOT_PRESENT		0x86
94  
95  /*
96   * APM Device IDs
97   */
98  #define APM_DEVICE_BIOS		0x0000
99  #define APM_DEVICE_ALL		0x0001
100  #define APM_DEVICE_DISPLAY	0x0100
101  #define APM_DEVICE_STORAGE	0x0200
102  #define APM_DEVICE_PARALLEL	0x0300
103  #define APM_DEVICE_SERIAL	0x0400
104  #define APM_DEVICE_NETWORK	0x0500
105  #define APM_DEVICE_PCMCIA	0x0600
106  #define APM_DEVICE_BATTERY	0x8000
107  #define APM_DEVICE_OEM		0xe000
108  #define APM_DEVICE_OLD_ALL	0xffff
109  #define APM_DEVICE_CLASS	0x00ff
110  #define APM_DEVICE_MASK		0xff00
111  
112  
113  /*
114   * Battery status
115   */
116  #define APM_MAX_BATTERIES	2
117  
118  /*
119   * APM defined capability bit flags
120   */
121  #define APM_CAP_GLOBAL_STANDBY		0x0001
122  #define APM_CAP_GLOBAL_SUSPEND		0x0002
123  #define APM_CAP_RESUME_STANDBY_TIMER	0x0004 /* Timer resume from standby */
124  #define APM_CAP_RESUME_SUSPEND_TIMER	0x0008 /* Timer resume from suspend */
125  #define APM_CAP_RESUME_STANDBY_RING	0x0010 /* Resume on Ring fr standby */
126  #define APM_CAP_RESUME_SUSPEND_RING	0x0020 /* Resume on Ring fr suspend */
127  #define APM_CAP_RESUME_STANDBY_PCMCIA	0x0040 /* Resume on PCMCIA Ring	*/
128  #define APM_CAP_RESUME_SUSPEND_PCMCIA	0x0080 /* Resume on PCMCIA Ring	*/
129  
130  /*
131   * ioctl operations
132   */
133  #include <linux/ioctl.h>
134  
135  #define APM_IOC_STANDBY		_IO('A', 1)
136  #define APM_IOC_SUSPEND		_IO('A', 2)
137  
138  #endif /* _UAPI_LINUX_APM_H */
139