xref: /freebsd/sys/i386/include/apm_bios.h (revision 48991a368427cadb9cdac39581d1676c29619c52)
1 /*
2  * APM (Advanced Power Management) BIOS Device Driver
3  *
4  * Copyright (c) 1994-1995 by HOSOKAWA, Tatsumi <hosokawa@mt.cs.keio.ac.jp>
5  *
6  * This software may be used, modified, copied, and distributed, in
7  * both source and binary form provided that the above copyright and
8  * these terms are retained. Under no circumstances is the author
9  * responsible for the proper functioning of this software, nor does
10  * the author assume any responsibility for damages incurred with its
11  * use.
12  *
13  * Aug, 1994	Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
14  *
15  *	$Id: apm_bios.h,v 1.5 1995/05/30 08:00:23 rgrimes Exp $
16  */
17 
18 #ifndef _MACHINE_APM_BIOS_H_
19 #define _MACHINE_APM_BIOS_H_	1
20 
21 #ifdef KERNEL
22 
23 /* BIOS id */
24 #define APM_BIOS		0x53
25 #define SYSTEM_BIOS		0x15
26 
27 /* APM flags */
28 #define APM_16BIT_SUPPORT	0x01
29 #define APM_32BIT_SUPPORT	0x02
30 #define APM_CPUIDLE_SLOW	0x04
31 #define APM_DISABLED		0x08
32 #define APM_DISENGAGED		0x10
33 
34 /* APM initializer physical address */
35 #define APM_OURADDR		0x00080000
36 
37 /* Error code of APM initializer */
38 #define APMINI_CANTFIND		0xffffffff
39 #define APMINI_NOT32BIT		0xfffffffe
40 #define APMINI_CONNECTERR	0xfffffffd
41 
42 /* APM functions */
43 #define APM_INSTCHECK		0x00
44 #define APM_REALCONNECT		0x01
45 #define APM_PROT16CONNECT	0x02
46 #define APM_PROT32CONNECT	0x03
47 #define APM_DISCONNECT		0x04
48 #define APM_CPUIDLE		0x05
49 #define APM_CPUBUSY		0x06
50 #define APM_SETPWSTATE		0x07
51 #define APM_ENABLEDISABLEPM	0x08
52 #define APM_RESTOREDEFAULT	0x09
53 #define	APM_GETPWSTATUS		0x0a
54 #define APM_GETPMEVENT		0x0b
55 #define APM_GETPWSTATE		0x0c
56 #define APM_ENABLEDISABLEDPM	0x0d
57 #define APM_DRVVERSION		0x0e
58 #define APM_ENGAGEDISENGAGEPM	0x0f
59 #define APM_OEMFUNC		0x80
60 
61 /* error code */
62 #define APME_OK			0x00
63 #define APME_PMDISABLED		0x01
64 #define APME_REALESTABLISHED	0x02
65 #define APME_NOTCONNECTED	0x03
66 #define APME_PROT16ESTABLISHED	0x05
67 #define APME_PROT16NOTSUPPORTED	0x06
68 #define APME_PROT32ESTABLISHED	0x07
69 #define APME_PROT32NOTDUPPORTED	0x08
70 #define APME_UNKNOWNDEVICEID	0x09
71 #define APME_OUTOFRANGE		0x0a
72 #define APME_NOTENGAGED		0x0b
73 #define APME_CANTENTERSTATE	0x60
74 #define APME_NOPMEVENT		0x80
75 #define APME_NOAPMPRESENT	0x86
76 
77 
78 /* device code */
79 #define PMDV_APMBIOS		0x0000
80 #define PMDV_ALLDEV		0x0001
81 #define PMDV_DISP0		0x0100
82 #define PMDV_DISP1		0x0101
83 #define PMDV_2NDSTORAGE0	0x0200
84 #define PMDV_2NDSTORAGE1	0x0201
85 #define PMDV_2NDSTORAGE2	0x0202
86 #define PMDV_2NDSTORAGE3	0x0203
87 #define PMDV_PARALLEL0		0x0300
88 #define PMDV_PARALLEL1		0x0301
89 #define PMDV_SERIAL0		0x0400
90 #define PMDV_SERIAL1		0x0401
91 #define PMDV_SERIAL2		0x0402
92 #define PMDV_SERIAL3		0x0403
93 #define PMDV_SERIAL4		0x0404
94 #define PMDV_SERIAL5		0x0405
95 #define PMDV_SERIAL6		0x0406
96 #define PMDV_SERIAL7		0x0407
97 #define PMDV_NET0		0x0500
98 #define PMDV_NET1		0x0501
99 #define PMDV_NET2		0x0502
100 #define PMDV_NET3		0x0503
101 #define PMDV_PCMCIA0		0x0600
102 #define PMDV_PCMCIA1		0x0601
103 #define PMDV_PCMCIA2		0x0602
104 #define PMDV_PCMCIA3		0x0603
105 /* 0x0700 - 0xdfff	Reserved			*/
106 /* 0xe000 - 0xefff	OEM-defined power device IDs	*/
107 /* 0xf000 - 0xffff	Reserved			*/
108 
109 /* Power state */
110 #define PMST_APMENABLED		0x0000
111 #define PMST_STANDBY		0x0001
112 #define PMST_SUSPEND		0x0002
113 #define PMST_OFF		0x0003
114 #define PMST_LASTREQNOTIFY	0x0004
115 #define PMST_LASTREQREJECT	0x0005
116 /* 0x0006 - 0x001f	Reserved system states		*/
117 /* 0x0020 - 0x003f	OEM-defined system states	*/
118 /* 0x0040 - 0x007f	OEM-defined device states	*/
119 /* 0x0080 - 0xffff	Reserved device states		*/
120 
121 #if !defined(ASSEMBLER) && !defined(INITIALIZER)
122 
123 /* C definitions */
124 struct apmhook {
125 	struct apmhook	*ah_next;
126 	int		(*ah_fun) __P((void *ah_arg));
127 	void		*ah_arg;
128 	const char	*ah_name;
129 	int		ah_order;
130 };
131 #define APM_HOOK_NONE		(-1)
132 #define APM_HOOK_SUSPEND        0
133 #define APM_HOOK_RESUME         1
134 #define NAPM_HOOK               2
135 
136 void apm_suspend(void);
137 struct apmhook *apm_hook_establish (int apmh, struct apmhook *);
138 void apm_hook_disestablish (int apmh, struct apmhook *);
139 void apm_cpu_idle(void);
140 void apm_cpu_busy(void);
141 
142 #endif /* !ASSEMBLER && !INITIALIZER */
143 
144 #define APM_MIN_ORDER		0x00
145 #define APM_MID_ORDER		0x80
146 #define APM_MAX_ORDER		0xff
147 
148 #endif /* KERNEL */
149 
150 /* power management event code */
151 #define PMEV_NOEVENT		0x0000
152 #define PMEV_STANDBYREQ		0x0001
153 #define PMEV_SUSPENDREQ		0x0002
154 #define PMEV_NORMRESUME		0x0003
155 #define PMEV_CRITRESUME		0x0004
156 #define PMEV_BATTERYLOW		0x0005
157 #define PMEV_POWERSTATECHANGE	0x0006
158 #define PMEV_UPDATETIME		0x0007
159 #define PMEV_CRITSUSPEND	0x0008
160 #define PMEV_USERSTANDBYREQ	0x0009
161 #define PMEV_USERSUSPENDREQ	0x000a
162 #define PMEV_STANDBYRESUME	0x000b
163 /* 0x000c - 0x00ff	Reserved system events	*/
164 /* 0x0100 - 0x01ff	Reserved device events	*/
165 /* 0x0200 - 0x02ff	OEM-defined APM events	*/
166 /* 0x0300 - 0xffff	Reserved		*/
167 #define PMEV_DEFAULT		0xffffffff	/* used for customization */
168 
169 #if !defined(ASSEMBLER) && !defined(INITIALIZER)
170 
171 typedef struct apm_info {
172 	u_int	ai_major;	/* APM major version */
173 	u_int	ai_minor;	/* APM minor version */
174 	u_int	ai_acline;	/* AC line status */
175 	u_int	ai_batt_stat;	/* Battery status */
176 	u_int	ai_batt_life;	/* Remaining battery life */
177 } *apm_info_t;
178 
179 #ifdef __FreeBSD__
180 #define APMIO_SUSPEND		_IO('P', 1)
181 #define APMIO_GETINFO		_IOR('P', 2, struct apm_info)
182 #define APMIO_ENABLE		_IO('P', 5)
183 #define APMIO_DISABLE		_IO('P', 6)
184 #define APMIO_HALTCPU		_IO('P', 7)
185 #define APMIO_NOTHALTCPU	_IO('P', 8)
186 #define APMIO_DISPLAYOFF	_IO('P', 9)
187 #endif /* __FreeBSD__ */
188 
189 #endif /* !ASSEMBLER && !INITIALIZER */
190 
191 #endif /* _MACHINE_APM_BIOS_H_ */
192