summaryrefslogtreecommitdiff
path: root/sys/arch/i386/include/apmvar.h
blob: b960bb3ad5ec12c30f7fc46f27ae75b6f61569c9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
/*	$NetBSD$	*/

/*
 *  Copyright (c) 1995 John T. Kohl
 *  All rights reserved.
 * 
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions
 *  are met:
 *  1. Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *  3. The name of the author may not be used to endorse or promote products
 *     derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 * 
 */
#ifndef __I386_APM_H__
#define __I386_APM_H__

#include <sys/ioccom.h>

/* Advanced Power Management (v1.0 and v1.1 specification)
 * functions/defines/etc.
 */
#define APM_BIOS_FNCODE	(0x53)
#define APM_SYSTEM_BIOS	(0x15)
#define APM_BIOS_FN(x)	((APM_BIOS_FNCODE<<8)|(x))
/*
 * APM info word from boot loader
 */
#define	APM_MAJOR_VERS(info) (((info)&0xff00)>>8)
#define	APM_MINOR_VERS(info) ((info)&0xff)
#define APM_16BIT_SUPPORTED	0x00010000
#define APM_32BIT_SUPPORTED	0x00020000
#define APM_IDLE_SLOWS		0x00040000
#define APM_BIOS_PM_DISABLED	0x00080000
#define APM_BIOS_PM_DISENGAGED	0x00100000

#define	APM_ERR_CODE(regs)	(((regs)->ax & 0xff00) >> 8)
#define	APM_ERR_PM_DISABLED	0x01
#define	APM_ERR_REALALREADY	0x02
#define	APM_ERR_NOTCONN		0x03
#define	APM_ERR_16ALREADY	0x05
#define	APM_ERR_16NOTSUPP	0x06
#define	APM_ERR_32ALREADY	0x07
#define	APM_ERR_32NOTSUPP	0x08
#define	APM_ERR_UNRECOG_DEV	0x09
#define	APM_ERR_ERANGE		0x0A
#define	APM_ERR_NOTENGAGED	0x0B
#define APM_ERR_UNABLE		0x60
#define APM_ERR_NOEVENTS	0x80
#define	APM_ERR_NOT_PRESENT	0x86

#define APM_DEV_APM_BIOS	0x0000
#define APM_DEV_ALLDEVS		0x0001
/* device classes are high byte; device IDs go in low byte */
#define		APM_DEV_DISPLAY(x)	(0x0100|((x)&0xff))
#define		APM_DEV_DISK(x)		(0x0200|((x)&0xff))
#define		APM_DEV_PARALLEL(x)	(0x0300|((x)&0xff))
#define		APM_DEV_SERIAL(x)	(0x0400|((x)&0xff))
#define		APM_DEV_NETWORK(x)	(0x0500|((x)&0xff))
#define		APM_DEV_PCMCIA(x)	(0x0600|((x)&0xff))
#define		APM_DEV_ALLUNITS	0xff

#define	APM_INSTALLATION_CHECK	0x00	/* int15 only */
#define	APM_REALMODE_CONNECT	0x01	/* int15 only */
#define	APM_16BIT_CONNECT	0x02	/* int15 only */
#define	APM_32BIT_CONNECT	0x03	/* int15 only */
#define APM_DISCONNECT		0x04	/* %bx = APM_DEV_APM_BIOS */
#define APM_CPU_IDLE		0x05
#define APM_CPU_BUSY		0x06
#define APM_SET_PWR_STATE	0x07
#define		APM_SYS_READY	0x0000	/* %cx */
#define		APM_SYS_STANDBY	0x0001
#define		APM_SYS_SUSPEND	0x0002
#define		APM_SYS_OFF	0x0003
#define		APM_LASTREQ_INPROG	0x0004
#define		APM_LASTREQ_REJECTED	0x0005

/* system standby is device ID (%bx) 0x0001, APM_SYS_STANDBY */
/* system suspend is device ID (%bx) 0x0001, APM_SYS_SUSPEND */

#define APM_PWR_MGT_ENABLE	0x08
#define		APM_MGT_ALL	0xffff	/* %bx */
#define		APM_MGT_DISABLE	0x0	/* %cx */
#define		APM_MGT_ENABLE	0x1

#define APM_SYSTEM_DEFAULTS	0x09
#define		APM_DEFAULTS_ALL	0xffff	/* %bx */

#define APM_POWER_STATUS	0x0a
#define		APM_AC_OFF		0x00
#define		APM_AC_ON		0x01
#define		APM_AC_BACKUP		0x02
#define		APM_AC_UNKNOWN		0xff
#define		APM_BATT_HIGH		0x00
#define		APM_BATT_LOW		0x01
#define		APM_BATT_CRITICAL	0x02
#define		APM_BATT_CHARGING	0x03
#define		APM_BATT_UNKNOWN	0xff
#define		APM_BATT_FLAG_HIGH	0x01
#define		APM_BATT_FLAG_LOW	0x02
#define		APM_BATT_FLAG_CRITICAL	0x04
#define		APM_BATT_FLAG_CHARGING	0x08
#define		APM_BATT_FLAG_NOBATTERY	0x80
#define		APM_BATT_LIFE_UNKNOWN	0xff
#define		BATT_STATE(regp) ((regp)->bx & 0xff)
#define		BATT_FLAGS(regp) (((regp)->cx & 0xff00) >> 8)
#define		AC_STATE(regp) (((regp)->bx & 0xff00) >> 8)
#define		BATT_LIFE(regp) ((regp)->cx & 0xff) /* in % */
#define		BATT_REMAINING(regp) (((regp)->dx & 0x8000) ? \
				      ((regp)->dx & 0x7fff)*60 : \
				      ((regp)->dx & 0x7fff))
#define		BATT_REM_VALID(regp) (((regp)->dx & 0xffff) != 0xffff)
#define	APM_GET_PM_EVENT	0x0b
#define		APM_STANDBY_REQ		0x0001 /* %bx on return */
#define		APM_SUSPEND_REQ		0x0002
#define		APM_NORMAL_RESUME	0x0003
#define		APM_CRIT_RESUME		0x0004 /* suspend/resume happened
						  without us */
#define		APM_BATTERY_LOW		0x0005
#define		APM_POWER_CHANGE	0x0006
#define		APM_UPDATE_TIME		0x0007
#define		APM_CRIT_SUSPEND_REQ	0x0008
#define		APM_USER_STANDBY_REQ	0x0009
#define		APM_USER_SUSPEND_REQ	0x000A
#define		APM_SYS_STANDBY_RESUME	0x000B

#define	APM_GET_POWER_STATE	0x0c
#define	APM_DEVICE_MGMT_ENABLE	0x0d

#define	APM_DRIVER_VERSION	0x0e
/* %bx should be DEV value (APM_DEV_APM_BIOS)
   %ch = driver major vno
   %cl = driver minor vno
   return: %ah = conn major; %al = conn minor
   */
#define		APM_CONN_MINOR(regp) ((regp)->ax & 0xff)
#define		APM_CONN_MAJOR(regp) (((regp)->ax & 0xff00) >> 8)

#define APM_PWR_MGT_ENGAGE	0x0F
#define		APM_MGT_DISENGAGE	0x0	/* %cx */
#define		APM_MGT_ENGAGE		0x1

#define APM_OEM			0x80

#ifndef _LOCORE
/*
 * LP (Laptop Package)
 *
 * Copyright (C) 1994 by HOSOKAWA Tatsumi <hosokawa@mt.cs.keio.ac.jp>
 *
 * This software may be used, modified, copied, and distributed, in
 * both source and binary form provided that the above copyright and
 * these terms are retained. Under no circumstances is the author 
 * responsible for the proper functioning of this software, nor does 
 * the author assume any responsibility for damages incurred with its 
 * use.
 *
 * Sep., 1994	Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
 */

/* filled in by apmcall */ 
struct apmregs {
	u_short ax;
	u_short bx;
	u_short cx;
	u_short dx;
};

struct apm_connect_info {
	u_int apm_code32_seg_base;	/* real-mode style segment selector */
	u_int apm_code16_seg_base;
	u_int apm_data_seg_base;
	u_int apm_entrypt;
	u_short	apm_segsel;		/* segment selector for APM */
	u_short _pad1;
	u_int apm_code32_seg_len;
	u_int apm_data_seg_len;
	u_int apm_detail;
};

struct apm_event_info {
	u_int type;
	u_int index;
	u_int spare[8];
};

#define APM_BATTERY_ABSENT 4

struct apm_power_info {
	u_char battery_state;
	u_char ac_state;
	u_char battery_life;
	u_char spare1;
	u_int minutes_left;		/* estimate */
	u_int spare2[6];
};

struct apm_ctl {
	u_int dev;
	u_int mode;
};

#define	APM_IOC_REJECT	_IOW('A', 0, struct apm_event_info) /* reject request # */
#define	APM_IOC_STANDBY	_IO('A', 1)	/* put system into standby */
#define	APM_IOC_SUSPEND	_IO('A', 2)	/* put system into suspend */
#define	APM_IOC_GETPOWER _IOR('A', 3, struct apm_power_info) /* fetch battery state */
#define	APM_IOC_NEXTEVENT _IOR('A', 4, struct apm_event_info) /* fetch event */
#define	APM_IOC_DEV_CTL	_IOW('A', 5, struct apm_ctl) /* put device into mode */

struct apm_attach_args {
	char *aaa_busname;
};

#ifdef _KERNEL
extern struct apm_connect_info apminfo;	/* in locore */
extern int apmpresent;
extern int apmcall __P((int function, struct apmregs *regs));
extern void apm_cpu_busy __P((void));
extern void apm_cpu_idle __P((void));
extern void apminit __P((void));
int apm_set_powstate __P((u_int devid, u_int powstate));
#endif /* _KERNEL */
#endif /* _LOCORE */
#endif /* __i386_apm_h__ */