1 /*        $NetBSD: apmbios.h,v 1.7 2012/09/30 21:36:20 dsl Exp $      */
2 /*-
3  * Copyright (c) 1995 The NetBSD Foundation, Inc.
4  * All rights reserved.
5  *
6  * This code is derived from software contributed to The NetBSD Foundation
7  * by John Kohl.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28  * POSSIBILITY OF SUCH DAMAGE.
29  */
30 #ifndef _DEV_APM_APMBIOS_H_
31 #define _DEV_APM_APMBIOS_H_
32 
33 /*
34  * These definitions were those for the i386 'APM' (which predates ACPI),
35  * but have been hijacked for all sorts of uses.
36  * The APM specific values were removed when APM was removed.
37  */
38 
39 #define   APM_ERR_PM_DISABLED 0x01
40 #define   APM_ERR_REALALREADY 0x02
41 #define   APM_ERR_NOTCONN               0x03
42 #define   APM_ERR_16ALREADY   0x05
43 #define   APM_ERR_16NOTSUPP   0x06
44 #define   APM_ERR_32ALREADY   0x07
45 #define   APM_ERR_32NOTSUPP   0x08
46 #define   APM_ERR_UNRECOG_DEV 0x09
47 #define   APM_ERR_ERANGE                0x0A
48 #define   APM_ERR_NOTENGAGED  0x0B
49 #define   APM_ERR_EOPNOTSUPP  0x0C
50 #define   APM_ERR_RTIMER_DISABLED       0x0D
51 #define APM_ERR_UNABLE                  0x60
52 #define APM_ERR_NOEVENTS      0x80
53 #define   APM_ERR_NOT_PRESENT 0x86
54 
55 #define APM_DEV_ALLDEVS                 0x0001
56 
57 #define             APM_SYS_READY       0x0000
58 #define             APM_SYS_STANDBY     0x0001
59 #define             APM_SYS_SUSPEND     0x0002
60 #define             APM_SYS_OFF         0x0003
61 #define             APM_LASTREQ_INPROG  0x0004
62 #define             APM_LASTREQ_REJECTED          0x0005
63 
64 #define             APM_AC_OFF                    0x00
65 #define             APM_AC_ON           0x01
66 #define             APM_AC_BACKUP                 0x02
67 #define             APM_AC_UNKNOWN                0xff
68 
69 /* the first set of battery constants is 1.0 style values;
70  * the second set is 1.1 style bit definitions */
71 #define             APM_BATT_HIGH                 0x00
72 #define             APM_BATT_LOW                  0x01
73 #define             APM_BATT_CRITICAL   0x02
74 #define             APM_BATT_CHARGING   0x03
75 #define             APM_BATT_ABSENT               0x04 /* Software only--not in spec! */
76 #define             APM_BATT_UNKNOWN    0xff
77 
78 #define             APM_BATT_FLAG_HIGH  0x01
79 #define             APM_BATT_FLAG_LOW   0x02
80 #define             APM_BATT_FLAG_CRITICAL        0x04
81 #define             APM_BATT_FLAG_CHARGING        0x08
82 #define             APM_BATT_FLAG_NOBATTERY       0x10
83 #define             APM_BATT_FLAG_NO_SYSTEM_BATTERY         0x80
84 #define             APM_BATT_FLAG_UNKNOWN         0xff
85 
86 #define             APM_BATT_LIFE_UNKNOWN         0xff
87 
88 #define             APM_STANDBY_REQ               0x0001 /* %bx on return */
89 #define             APM_SUSPEND_REQ               0x0002
90 #define             APM_NORMAL_RESUME   0x0003
91 #define             APM_CRIT_RESUME               0x0004 /* suspend/resume happened
92                                                               without us */
93 #define             APM_BATTERY_LOW               0x0005
94 #define             APM_POWER_CHANGE    0x0006
95 #define             APM_UPDATE_TIME               0x0007
96 #define             APM_CRIT_SUSPEND_REQ          0x0008
97 #define             APM_USER_STANDBY_REQ          0x0009
98 #define             APM_USER_SUSPEND_REQ          0x000A
99 #define             APM_SYS_STANDBY_RESUME        0x000B
100 #define             APM_CAP_CHANGE                0x000C    /* V1.2 */
101 
102 #define             APM_GLOBAL_STANDBY  0x0001
103 #define             APM_GLOBAL_SUSPEND  0x0002
104 
105 /*
106  * APM info word from the real-mode handler is adjusted to put
107  * major/minor version in low half and support bits in upper half.
108  */
109 #define   APM_MAJOR_VERS(info) (((info)&0xff00)>>8)
110 #define   APM_MINOR_VERS(info) ((info)&0xff)
111 
112 #define   APMDEBUG_INFO                 0x01
113 #define   APMDEBUG_EVENTS               0x04
114 #define   APMDEBUG_DEVICE               0x20
115 #define   APMDEBUG_ANOM                 0x40
116 
117 #endif /* _DEV_APM_APMBIOS_H_ */
118