]>
Commit | Line | Data |
---|---|---|
95ffaba3 GR |
1 | #ifndef _LINUX_APM_H |
2 | #define _LINUX_APM_H | |
3 | ||
4 | /* | |
5 | * Include file for the interface to an APM BIOS | |
6 | * Copyright 1994-2001 Stephen Rothwell (sfr@canb.auug.org.au) | |
7 | * | |
1a459660 | 8 | * SPDX-License-Identifier: GPL-2.0+ |
95ffaba3 GR |
9 | */ |
10 | ||
11 | #include <linux/types.h> | |
12 | ||
13 | typedef unsigned short apm_event_t; | |
14 | typedef unsigned short apm_eventinfo_t; | |
15 | ||
16 | struct apm_bios_info { | |
17 | __u16 version; | |
18 | __u16 cseg; | |
19 | __u32 offset; | |
20 | __u16 cseg_16; | |
21 | __u16 dseg; | |
22 | __u16 flags; | |
23 | __u16 cseg_len; | |
24 | __u16 cseg_16_len; | |
25 | __u16 dseg_len; | |
26 | }; | |
27 | ||
28 | #ifdef __KERNEL__ | |
29 | ||
30 | #define APM_CS (GDT_ENTRY_APMBIOS_BASE * 8) | |
31 | #define APM_CS_16 (APM_CS + 8) | |
32 | #define APM_DS (APM_CS_16 + 8) | |
33 | ||
34 | /* Results of APM Installation Check */ | |
35 | #define APM_16_BIT_SUPPORT 0x0001 | |
36 | #define APM_32_BIT_SUPPORT 0x0002 | |
37 | #define APM_IDLE_SLOWS_CLOCK 0x0004 | |
38 | #define APM_BIOS_DISABLED 0x0008 | |
39 | #define APM_BIOS_DISENGAGED 0x0010 | |
40 | ||
41 | /* | |
42 | * Data for APM that is persistent across module unload/load | |
43 | */ | |
44 | struct apm_info { | |
45 | struct apm_bios_info bios; | |
46 | unsigned short connection_version; | |
47 | int get_power_status_broken; | |
48 | int get_power_status_swabinminutes; | |
49 | int allow_ints; | |
50 | int forbid_idle; | |
51 | int realmode_power_off; | |
52 | int disabled; | |
53 | }; | |
54 | ||
55 | /* | |
56 | * The APM function codes | |
57 | */ | |
58 | #define APM_FUNC_INST_CHECK 0x5300 | |
59 | #define APM_FUNC_REAL_CONN 0x5301 | |
60 | #define APM_FUNC_16BIT_CONN 0x5302 | |
61 | #define APM_FUNC_32BIT_CONN 0x5303 | |
62 | #define APM_FUNC_DISCONN 0x5304 | |
63 | #define APM_FUNC_IDLE 0x5305 | |
64 | #define APM_FUNC_BUSY 0x5306 | |
65 | #define APM_FUNC_SET_STATE 0x5307 | |
66 | #define APM_FUNC_ENABLE_PM 0x5308 | |
67 | #define APM_FUNC_RESTORE_BIOS 0x5309 | |
68 | #define APM_FUNC_GET_STATUS 0x530a | |
69 | #define APM_FUNC_GET_EVENT 0x530b | |
70 | #define APM_FUNC_GET_STATE 0x530c | |
71 | #define APM_FUNC_ENABLE_DEV_PM 0x530d | |
72 | #define APM_FUNC_VERSION 0x530e | |
73 | #define APM_FUNC_ENGAGE_PM 0x530f | |
74 | #define APM_FUNC_GET_CAP 0x5310 | |
75 | #define APM_FUNC_RESUME_TIMER 0x5311 | |
76 | #define APM_FUNC_RESUME_ON_RING 0x5312 | |
77 | #define APM_FUNC_TIMER 0x5313 | |
78 | ||
79 | /* | |
80 | * Function code for APM_FUNC_RESUME_TIMER | |
81 | */ | |
82 | #define APM_FUNC_DISABLE_TIMER 0 | |
83 | #define APM_FUNC_GET_TIMER 1 | |
84 | #define APM_FUNC_SET_TIMER 2 | |
85 | ||
86 | /* | |
87 | * Function code for APM_FUNC_RESUME_ON_RING | |
88 | */ | |
89 | #define APM_FUNC_DISABLE_RING 0 | |
90 | #define APM_FUNC_ENABLE_RING 1 | |
91 | #define APM_FUNC_GET_RING 2 | |
92 | ||
93 | /* | |
94 | * Function code for APM_FUNC_TIMER_STATUS | |
95 | */ | |
96 | #define APM_FUNC_TIMER_DISABLE 0 | |
97 | #define APM_FUNC_TIMER_ENABLE 1 | |
98 | #define APM_FUNC_TIMER_GET 2 | |
99 | ||
100 | /* | |
101 | * in arch/i386/kernel/setup.c | |
102 | */ | |
103 | extern struct apm_info apm_info; | |
104 | ||
105 | #endif /* __KERNEL__ */ | |
106 | ||
107 | /* | |
108 | * Power states | |
109 | */ | |
110 | #define APM_STATE_READY 0x0000 | |
111 | #define APM_STATE_STANDBY 0x0001 | |
112 | #define APM_STATE_SUSPEND 0x0002 | |
113 | #define APM_STATE_OFF 0x0003 | |
114 | #define APM_STATE_BUSY 0x0004 | |
115 | #define APM_STATE_REJECT 0x0005 | |
116 | #define APM_STATE_OEM_SYS 0x0020 | |
117 | #define APM_STATE_OEM_DEV 0x0040 | |
118 | ||
119 | #define APM_STATE_DISABLE 0x0000 | |
120 | #define APM_STATE_ENABLE 0x0001 | |
121 | ||
122 | #define APM_STATE_DISENGAGE 0x0000 | |
123 | #define APM_STATE_ENGAGE 0x0001 | |
124 | ||
125 | /* | |
126 | * Events (results of Get PM Event) | |
127 | */ | |
128 | #define APM_SYS_STANDBY 0x0001 | |
129 | #define APM_SYS_SUSPEND 0x0002 | |
130 | #define APM_NORMAL_RESUME 0x0003 | |
131 | #define APM_CRITICAL_RESUME 0x0004 | |
132 | #define APM_LOW_BATTERY 0x0005 | |
133 | #define APM_POWER_STATUS_CHANGE 0x0006 | |
134 | #define APM_UPDATE_TIME 0x0007 | |
135 | #define APM_CRITICAL_SUSPEND 0x0008 | |
136 | #define APM_USER_STANDBY 0x0009 | |
137 | #define APM_USER_SUSPEND 0x000a | |
138 | #define APM_STANDBY_RESUME 0x000b | |
139 | #define APM_CAPABILITY_CHANGE 0x000c | |
140 | ||
141 | /* | |
142 | * Error codes | |
143 | */ | |
144 | #define APM_SUCCESS 0x00 | |
145 | #define APM_DISABLED 0x01 | |
146 | #define APM_CONNECTED 0x02 | |
147 | #define APM_NOT_CONNECTED 0x03 | |
148 | #define APM_16_CONNECTED 0x05 | |
149 | #define APM_16_UNSUPPORTED 0x06 | |
150 | #define APM_32_CONNECTED 0x07 | |
151 | #define APM_32_UNSUPPORTED 0x08 | |
152 | #define APM_BAD_DEVICE 0x09 | |
153 | #define APM_BAD_PARAM 0x0a | |
154 | #define APM_NOT_ENGAGED 0x0b | |
155 | #define APM_BAD_FUNCTION 0x0c | |
156 | #define APM_RESUME_DISABLED 0x0d | |
157 | #define APM_NO_ERROR 0x53 | |
158 | #define APM_BAD_STATE 0x60 | |
159 | #define APM_NO_EVENTS 0x80 | |
160 | #define APM_NOT_PRESENT 0x86 | |
161 | ||
162 | /* | |
163 | * APM Device IDs | |
164 | */ | |
165 | #define APM_DEVICE_BIOS 0x0000 | |
166 | #define APM_DEVICE_ALL 0x0001 | |
167 | #define APM_DEVICE_DISPLAY 0x0100 | |
168 | #define APM_DEVICE_STORAGE 0x0200 | |
169 | #define APM_DEVICE_PARALLEL 0x0300 | |
170 | #define APM_DEVICE_SERIAL 0x0400 | |
171 | #define APM_DEVICE_NETWORK 0x0500 | |
172 | #define APM_DEVICE_PCMCIA 0x0600 | |
173 | #define APM_DEVICE_BATTERY 0x8000 | |
174 | #define APM_DEVICE_OEM 0xe000 | |
175 | #define APM_DEVICE_OLD_ALL 0xffff | |
176 | #define APM_DEVICE_CLASS 0x00ff | |
177 | #define APM_DEVICE_MASK 0xff00 | |
178 | ||
179 | #ifdef __KERNEL__ | |
180 | /* | |
181 | * This is the "All Devices" ID communicated to the BIOS | |
182 | */ | |
183 | #define APM_DEVICE_BALL ((apm_info.connection_version > 0x0100) ? \ | |
184 | APM_DEVICE_ALL : APM_DEVICE_OLD_ALL) | |
185 | #endif | |
186 | ||
187 | /* | |
188 | * Battery status | |
189 | */ | |
190 | #define APM_MAX_BATTERIES 2 | |
191 | ||
192 | /* | |
193 | * APM defined capability bit flags | |
194 | */ | |
195 | #define APM_CAP_GLOBAL_STANDBY 0x0001 | |
196 | #define APM_CAP_GLOBAL_SUSPEND 0x0002 | |
197 | #define APM_CAP_RESUME_STANDBY_TIMER 0x0004 /* Timer resume from standby */ | |
198 | #define APM_CAP_RESUME_SUSPEND_TIMER 0x0008 /* Timer resume from suspend */ | |
199 | #define APM_CAP_RESUME_STANDBY_RING 0x0010 /* Resume on Ring fr standby */ | |
200 | #define APM_CAP_RESUME_SUSPEND_RING 0x0020 /* Resume on Ring fr suspend */ | |
201 | #define APM_CAP_RESUME_STANDBY_PCMCIA 0x0040 /* Resume on PCMCIA Ring */ | |
202 | #define APM_CAP_RESUME_SUSPEND_PCMCIA 0x0080 /* Resume on PCMCIA Ring */ | |
203 | ||
204 | /* | |
205 | * ioctl operations | |
206 | */ | |
207 | #include <linux/ioctl.h> | |
208 | ||
209 | #define APM_IOC_STANDBY _IO('A', 1) | |
210 | #define APM_IOC_SUSPEND _IO('A', 2) | |
211 | ||
212 | #endif /* LINUX_APM_H */ |