FreeBSD/Linux Kernel Cross Reference
sys/dev/apm/apmbios.h
1 /* $NetBSD: apmbios.h,v 1.1 2002/10/14 02:08:40 takemura 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 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the NetBSD
20 * Foundation, Inc. and its contributors.
21 * 4. Neither the name of The NetBSD Foundation nor the names of its
22 * contributors may be used to endorse or promote products derived
23 * from this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
26 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
36 */
37 #ifndef __DEV_APM_APMBIOS_H__
38 #define __DEV_APM_APMBIOS_H__
39
40 /* Advanced Power Management (v1.0 and v1.1 specification)
41 * functions/defines/etc.
42 */
43 #define APM_BIOS_FNCODE (0x53)
44 #define APM_SYSTEM_BIOS (0x15)
45 #define APM_BIOS_FN(x) ((APM_BIOS_FNCODE<<8)|(x))
46
47 /*
48 * APM info bits from BIOS
49 */
50 #define APM_16BIT_SUPPORT 0x01
51 #define APM_32BIT_SUPPORT 0x02
52 #define APM_CPUIDLE_SLOW 0x04
53 #define APM_DISABLED 0x08
54 #define APM_DISENGAGED 0x10
55
56 #define APM_ERR_LIMIT 10
57
58 #define APM_ERR_CODE(regs) (((regs)->AX & 0xff00) >> 8)
59 #define APM_ERR_PM_DISABLED 0x01
60 #define APM_ERR_REALALREADY 0x02
61 #define APM_ERR_NOTCONN 0x03
62 #define APM_ERR_16ALREADY 0x05
63 #define APM_ERR_16NOTSUPP 0x06
64 #define APM_ERR_32ALREADY 0x07
65 #define APM_ERR_32NOTSUPP 0x08
66 #define APM_ERR_UNRECOG_DEV 0x09
67 #define APM_ERR_ERANGE 0x0A
68 #define APM_ERR_NOTENGAGED 0x0B
69 #define APM_ERR_EOPNOTSUPP 0x0C
70 #define APM_ERR_RTIMER_DISABLED 0x0D
71 #define APM_ERR_UNABLE 0x60
72 #define APM_ERR_NOEVENTS 0x80
73 #define APM_ERR_NOT_PRESENT 0x86
74
75 #define APM_DEV_APM_BIOS 0x0000
76 #define APM_DEV_ALLDEVS 0x0001
77 /* device classes are high byte; device IDs go in low byte */
78 #define APM_DEV_DISPLAY(x) (0x0100|((x)&0xff))
79 #define APM_DEV_DISK(x) (0x0200|((x)&0xff))
80 #define APM_DEV_PARALLEL(x) (0x0300|((x)&0xff))
81 #define APM_DEV_SERIAL(x) (0x0400|((x)&0xff))
82 #define APM_DEV_NETWORK(x) (0x0500|((x)&0xff))
83 #define APM_DEV_PCMCIA(x) (0x0600|((x)&0xff))
84 #define APM_DEV_BATTERY(x) (0x8000|((x)&0xff)) /* V1.2 */
85 #define APM_DEV_ALLUNITS 0xff
86
87 #define APM_INSTALLATION_CHECK 0x00 /* int15 only */
88 #define APM_INSTALL_SIGNATURE 0x504d /* %bh = 'P', %bl = 'M' */
89 #define APM_REALMODE_CONNECT 0x01 /* int15 only */
90 #define APM_16BIT_CONNECT 0x02 /* int15 only */
91 #define APM_32BIT_CONNECT 0x03 /* int15 only */
92 #define APM_DISCONNECT 0x04 /* %bx = APM_DEV_APM_BIOS */
93 #define APM_CPU_IDLE 0x05
94 #define APM_CPU_BUSY 0x06
95 #define APM_SET_PWR_STATE 0x07
96 #define APM_SYS_READY 0x0000 /* %cx */
97 #define APM_SYS_STANDBY 0x0001
98 #define APM_SYS_SUSPEND 0x0002
99 #define APM_SYS_OFF 0x0003
100 #define APM_LASTREQ_INPROG 0x0004
101 #define APM_LASTREQ_REJECTED 0x0005
102
103 /* system standby is device ID (%bx) 0x0001, APM_SYS_STANDBY */
104 /* system suspend is device ID (%bx) 0x0001, APM_SYS_SUSPEND */
105
106 #define APM_PWR_MGT_ENABLE 0x08
107 #define APM_MGT_ALL 0xffff /* %bx */
108 #define APM_MGT_DISABLE 0x0 /* %cx */
109 #define APM_MGT_ENABLE 0x1
110
111 #define APM_SYSTEM_DEFAULTS 0x09
112 #define APM_DEFAULTS_ALL 0xffff /* %bx */
113 #define APM_DEFAULTS_ALL_V12 0x0001 /* %bx */
114
115 #define APM_POWER_STATUS 0x0a
116 #define APM_AC_OFF 0x00
117 #define APM_AC_ON 0x01
118 #define APM_AC_BACKUP 0x02
119 #define APM_AC_UNKNOWN 0xff
120 /* the first set of battery constants is 1.0 style values;
121 the second set is 1.1 style bit definitions */
122 #define APM_BATT_HIGH 0x00
123 #define APM_BATT_LOW 0x01
124 #define APM_BATT_CRITICAL 0x02
125 #define APM_BATT_CHARGING 0x03
126 #define APM_BATT_ABSENT 0x04 /* Software only--not in spec! */
127 #define APM_BATT_UNKNOWN 0xff
128
129 #define APM_BATT_FLAG_HIGH 0x01
130 #define APM_BATT_FLAG_LOW 0x02
131 #define APM_BATT_FLAG_CRITICAL 0x04
132 #define APM_BATT_FLAG_CHARGING 0x08
133 #define APM_BATT_FLAG_NOBATTERY 0x10
134 #define APM_BATT_FLAG_NO_SYSTEM_BATTERY 0x80
135 #define APM_BATT_FLAG_UNKNOWN 0xff
136
137 #define APM_BATT_LIFE_UNKNOWN 0xff
138 #define APM_BATT_STATE(regp) ((regp)->BX & 0xff)
139 #define APM_BATT_FLAGS(regp) (((regp)->CX & 0xff00) >> 8)
140 #define APM_AC_STATE(regp) (((regp)->BX & 0xff00) >> 8)
141 #define APM_BATT_LIFE(regp) ((regp)->CX & 0xff) /* in % */
142 /* BATT_REMAINING returns minutes remaining */
143 #define APM_BATT_REMAINING(regp) (((regp)->DX & 0x8000) ? \
144 ((regp)->DX & 0x7fff) : \
145 ((regp)->DX & 0x7fff)/60)
146 #define APM_BATT_REM_VALID(regp) (((regp)->DX & 0xffff) != 0xffff)
147 #define APM_BATTERY_COUNT(regp) ((regp)->SI)
148
149 #define APM_GET_PM_EVENT 0x0b
150 #define APM_STANDBY_REQ 0x0001 /* %bx on return */
151 #define APM_SUSPEND_REQ 0x0002
152 #define APM_NORMAL_RESUME 0x0003
153 #define APM_CRIT_RESUME 0x0004 /* suspend/resume happened
154 without us */
155 /* If set, the pccard sockets were powered off in the
156 suspend/standby state (V1.2 only) */
157 #define APM_PCCARD_POWEREDOFF(regp) ((regp)->CX & 0x0001)
158
159 #define APM_BATTERY_LOW 0x0005
160 #define APM_POWER_CHANGE 0x0006
161 #define APM_UPDATE_TIME 0x0007
162 #define APM_CRIT_SUSPEND_REQ 0x0008
163 #define APM_USER_STANDBY_REQ 0x0009
164 #define APM_USER_SUSPEND_REQ 0x000A
165 #define APM_SYS_STANDBY_RESUME 0x000B
166 #define APM_CAP_CHANGE 0x000C /* V1.2 */
167
168 #define APM_GET_POWER_STATE 0x0c
169 /* device to query in %bx */
170 /* returns power states in %cx */
171 #define APM_DEVICE_MGMT_ENABLE 0x0d
172 /* device to enable/disable in %bx */
173
174 #define APM_DRIVER_VERSION 0x0e
175 /* %bx should be DEV value (APM_DEV_APM_BIOS)
176 %ch = driver major vno
177 %cl = driver minor vno
178 return: %ah = conn major; %al = conn minor
179 */
180 #define APM_CONN_MINOR(regp) ((regp)->AX & 0xff)
181 #define APM_CONN_MAJOR(regp) (((regp)->AX & 0xff00) >> 8)
182
183 #define APM_PWR_MGT_ENGAGE 0x0F
184 /* device in %bx */
185 #define APM_MGT_DISENGAGE 0x0 /* %cx */
186 #define APM_MGT_ENGAGE 0x1
187
188 #define APM_GET_CAPABILITIES 0x10
189 /* device in %bx (APM_DEV_APM_BIOS) */
190 /* %bl: number of batteries */
191 #define APM_NBATTERIES(regp) ((regp)->BX & 0xff)
192 /* %cx capabilities */
193 #define APM_GLOBAL_STANDBY 0x0001
194 #define APM_GLOBAL_SUSPEND 0x0002
195 #define APM_RTIMER_STANDBY 0x0004 /* resume timer wakes standby */
196 #define APM_RTIMER_SUSPEND 0x0008 /* resume timer wakes suspend */
197 #define APM_IRRING_SUSPEND 0x0010 /* internal ring wakes suspend */
198 #define APM_IRRING_STANDBY 0x0020 /* internal ring wakes standby */
199 #define APM_PCRING_SUSPEND 0x0040 /* pccard ring wakes suspend */
200 #define APM_PCRING_STANDBY 0x0080 /* pccard ring wakes standby */
201
202 #define APM_RESUME_TIMER_CTL 0x11 /* get/set/disable resume timer */
203 /* device in %bx (APM_DEV_APM_BIOS) */
204 /* function code in %cl */
205 #define APM_RTIMER_DISABLE 0x00
206 #define APM_RTIMER_GET 0x01
207 #define APM_RTIMER_SET 0x02
208 /* if %cl = set, or %cl = get, then: */
209 /* %ch: seconds */
210 /* %dh: hours */
211 /* %dl: minutes */
212 /* %sih: month (bcd), %sil: day (bcd) */
213 /* %di: year (bcd, 4 digits) */
214 #define APM_RESUME_RING_CTL 0x12
215 /* device in %bx (APM_DEV_APM_BIOS) */
216 /* %cx: function code */
217 #define APM_RRING_DISABLE 0x0000
218 #define APM_RRING_ENABLE 0x0001
219 #define APM_RRING_GET 0x0002
220 /* returns state in %cx */
221 #define APM_RRING_DISABLED 0x0000
222 #define APM_RRING_ENABLED 0x0001
223
224 #define APM_TIMER_REQS_CTL 0x13
225 /* device in %bx (APM_DEV_APM_BIOS) */
226 /* %cx: function code */
227 #define APM_TIMER_REQS_DISABLE 0x0000
228 #define APM_TIMER_REQS_ENABLE 0x0001
229 #define APM_TIMER_REQS_GET 0x0002
230 /* returns state in %cx */
231 #define APM_TIMER_REQS_DISABLED 0x0000
232 #define APM_TIEMR_REQS_ENABLED 0x0001
233
234 #define APM_OEM 0x80
235
236 /*
237 * APM info word from the real-mode handler is adjusted to put
238 * major/minor version in low half and support bits in upper half.
239 */
240 #define APM_MAJOR_VERS(info) (((info)&0xff00)>>8)
241 #define APM_MINOR_VERS(info) ((info)&0xff)
242
243 #define APM_16BIT_SUPPORTED (APM_16BIT_SUPPORT << 16)
244 #define APM_32BIT_SUPPORTED (APM_32BIT_SUPPORT << 16)
245 #define APM_IDLE_SLOWS (APM_CPUIDLE_SLOW << 16)
246 #define APM_BIOS_PM_DISABLED (APM_DISABLED << 16)
247 #define APM_BIOS_PM_DISENGAGED (APM_DISENGAGED << 16)
248
249 #endif /* __DEV_APM_APMBIOS_H__ */
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