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 * $FreeBSD$
16 */
17
18 #ifndef _MACHINE_APM_BIOS_H_
19 #define _MACHINE_APM_BIOS_H_
20
21 #ifndef KERNEL
22 #include <sys/types.h>
23 #endif
24 #include <sys/ioccom.h>
25
26 /* BIOS id */
27 #ifdef PC98
28 #define APM_BIOS 0x9a
29 #define SYSTEM_BIOS 0x1f
30 #else
31 #define APM_BIOS 0x53
32 #define SYSTEM_BIOS 0x15
33 #endif
34
35 /* APM flags */
36 #define APM_16BIT_SUPPORT 0x01
37 #define APM_32BIT_SUPPORT 0x02
38 #define APM_CPUIDLE_SLOW 0x04
39 #define APM_DISABLED 0x08
40 #define APM_DISENGAGED 0x10
41
42 /* APM initializer physical address */
43 #define APM_OURADDR 0x00080000
44
45 /* Error code of APM initializer */
46 #define APMINI_CANTFIND 0xffffffff
47 #define APMINI_NOT32BIT 0xfffffffe
48 #define APMINI_CONNECTERR 0xfffffffd
49
50 /* APM functions */
51 #define APM_INSTCHECK 0x00
52 #define APM_REALCONNECT 0x01
53 #define APM_PROT16CONNECT 0x02
54 #define APM_PROT32CONNECT 0x03
55 #define APM_DISCONNECT 0x04
56 #define APM_CPUIDLE 0x05
57 #define APM_CPUBUSY 0x06
58 #define APM_SETPWSTATE 0x07
59 #define APM_ENABLEDISABLEPM 0x08
60 #define APM_RESTOREDEFAULT 0x09
61 #ifdef PC98
62 #define APM_GETPWSTATUS 0x3a
63 #else
64 #define APM_GETPWSTATUS 0x0a
65 #endif
66 #define APM_GETPMEVENT 0x0b
67 #define APM_GETPWSTATE 0x0c
68 #define APM_ENABLEDISABLEDPM 0x0d
69 #ifdef PC98
70 #define APM_DRVVERSION 0x3e
71 #else
72 #define APM_DRVVERSION 0x0e
73 #endif
74 #define APM_ENGAGEDISENGAGEPM 0x0f
75 #define APM_GETCAPABILITIES 0x10
76 #define APM_RESUMETIMER 0x11
77 #define APM_RESUMEONRING 0x12
78 #define APM_TIMERREQUESTS 0x13
79 #define APM_OEMFUNC 0x80
80
81 /* error code */
82 #define APME_OK 0x00
83 #define APME_PMDISABLED 0x01
84 #define APME_REALESTABLISHED 0x02
85 #define APME_NOTCONNECTED 0x03
86 #define APME_PROT16ESTABLISHED 0x05
87 #define APME_PROT16NOTSUPPORTED 0x06
88 #define APME_PROT32ESTABLISHED 0x07
89 #define APME_PROT32NOTDUPPORTED 0x08
90 #define APME_UNKNOWNDEVICEID 0x09
91 #define APME_OUTOFRANGE 0x0a
92 #define APME_NOTENGAGED 0x0b
93 #define APME_CANTENTERSTATE 0x60
94 #define APME_NOPMEVENT 0x80
95 #define APME_NOAPMPRESENT 0x86
96
97
98 /* device code */
99 #define PMDV_APMBIOS 0x0000
100 #define PMDV_ALLDEV 0x0001
101 #define PMDV_DISP0 0x0100
102 #define PMDV_DISP1 0x0101
103 #define PMDV_2NDSTORAGE0 0x0200
104 #define PMDV_2NDSTORAGE1 0x0201
105 #define PMDV_2NDSTORAGE2 0x0202
106 #define PMDV_2NDSTORAGE3 0x0203
107 #define PMDV_PARALLEL0 0x0300
108 #define PMDV_PARALLEL1 0x0301
109 #define PMDV_SERIAL0 0x0400
110 #define PMDV_SERIAL1 0x0401
111 #define PMDV_SERIAL2 0x0402
112 #define PMDV_SERIAL3 0x0403
113 #define PMDV_SERIAL4 0x0404
114 #define PMDV_SERIAL5 0x0405
115 #define PMDV_SERIAL6 0x0406
116 #define PMDV_SERIAL7 0x0407
117 #define PMDV_NET0 0x0500
118 #define PMDV_NET1 0x0501
119 #define PMDV_NET2 0x0502
120 #define PMDV_NET3 0x0503
121 #define PMDV_PCMCIA0 0x0600
122 #define PMDV_PCMCIA1 0x0601
123 #define PMDV_PCMCIA2 0x0602
124 #define PMDV_PCMCIA3 0x0603
125 /* 0x0700 - 0xdfff Reserved */
126 /* 0xe000 - 0xefff OEM-defined power device IDs */
127 /* 0xf000 - 0xffff Reserved */
128
129 /* Power state */
130 #define PMST_APMENABLED 0x0000
131 #define PMST_STANDBY 0x0001
132 #define PMST_SUSPEND 0x0002
133 #define PMST_OFF 0x0003
134 #define PMST_LASTREQNOTIFY 0x0004
135 #define PMST_LASTREQREJECT 0x0005
136 /* 0x0006 - 0x001f Reserved system states */
137 /* 0x0020 - 0x003f OEM-defined system states */
138 /* 0x0040 - 0x007f OEM-defined device states */
139 /* 0x0080 - 0xffff Reserved device states */
140
141 #if !defined(ASSEMBLER) && !defined(INITIALIZER)
142
143 /* C definitions */
144 struct apmhook {
145 struct apmhook *ah_next;
146 int (*ah_fun) __P((void *ah_arg));
147 void *ah_arg;
148 const char *ah_name;
149 int ah_order;
150 };
151 #define APM_HOOK_NONE (-1)
152 #define APM_HOOK_SUSPEND 0
153 #define APM_HOOK_RESUME 1
154 #define NAPM_HOOK 2
155
156 #ifdef KERNEL
157
158 void apm_suspend(int state);
159 struct apmhook *apm_hook_establish (int apmh, struct apmhook *);
160 void apm_hook_disestablish (int apmh, struct apmhook *);
161 void apm_cpu_idle(void);
162 void apm_cpu_busy(void);
163
164 #endif /* KERNEL */
165
166 #endif /* !ASSEMBLER && !INITIALIZER */
167
168 #define APM_MIN_ORDER 0x00
169 #define APM_MID_ORDER 0x80
170 #define APM_MAX_ORDER 0xff
171
172 /* power management event code */
173 #define PMEV_NOEVENT 0x0000
174 #define PMEV_STANDBYREQ 0x0001
175 #define PMEV_SUSPENDREQ 0x0002
176 #define PMEV_NORMRESUME 0x0003
177 #define PMEV_CRITRESUME 0x0004
178 #define PMEV_BATTERYLOW 0x0005
179 #define PMEV_POWERSTATECHANGE 0x0006
180 #define PMEV_UPDATETIME 0x0007
181 #define PMEV_CRITSUSPEND 0x0008
182 #define PMEV_USERSTANDBYREQ 0x0009
183 #define PMEV_USERSUSPENDREQ 0x000a
184 #define PMEV_STANDBYRESUME 0x000b
185 #define PMEV_CAPABILITIESCHANGE 0x000c
186 /* 0x000d - 0x00ff Reserved system events */
187 /* 0x0100 - 0x01ff Reserved device events */
188 /* 0x0200 - 0x02ff OEM-defined APM events */
189 /* 0x0300 - 0xffff Reserved */
190 #define PMEV_DEFAULT 0xffffffff /* used for customization */
191
192 #if !defined(ASSEMBLER) && !defined(INITIALIZER)
193
194 /*
195 * Old apm_info structure, returned by the APMIO_GETINFO_OLD ioctl. This
196 * is for backward compatibility with old executables.
197 */
198 typedef struct apm_info_old {
199 u_int ai_major; /* APM major version */
200 u_int ai_minor; /* APM minor version */
201 u_int ai_acline; /* AC line status */
202 u_int ai_batt_stat; /* Battery status */
203 u_int ai_batt_life; /* Remaining battery life */
204 u_int ai_status; /* Status of APM support (enabled/disabled) */
205 } *apm_info_old_t;
206
207 /*
208 * Structure returned by the APMIO_GETINFO ioctl.
209 *
210 * In the comments below, the parenthesized numbers indicate the minimum
211 * value of ai_infoversion for which each field is valid.
212 */
213 typedef struct apm_info {
214 u_int ai_infoversion; /* Indicates which fields are valid */
215 u_int ai_major; /* APM major version (0) */
216 u_int ai_minor; /* APM minor version (0) */
217 u_int ai_acline; /* AC line status (0) */
218 u_int ai_batt_stat; /* Battery status (0) */
219 u_int ai_batt_life; /* Remaining battery life in percent (0) */
220 int ai_batt_time; /* Remaining battery time in seconds (0) */
221 u_int ai_status; /* True if enabled (0) */
222 u_int ai_batteries; /* Number of batteries (1) */
223 u_int ai_capabilities;/* APM Capabilities (1) */
224 u_int ai_spare[6]; /* For future expansion */
225 } *apm_info_t;
226
227 struct apm_bios_arg {
228 u_long eax;
229 u_long ebx;
230 u_long ecx;
231 u_long edx;
232 u_long esi;
233 u_long edi;
234 };
235
236 struct apm_event_info {
237 u_int type;
238 u_int index;
239 u_int spare[8];
240 };
241
242 #define APMIO_SUSPEND _IO('P', 1)
243 #define APMIO_GETINFO_OLD _IOR('P', 2, struct apm_info_old)
244 #define APMIO_ENABLE _IO('P', 5)
245 #define APMIO_DISABLE _IO('P', 6)
246 #define APMIO_HALTCPU _IO('P', 7)
247 #define APMIO_NOTHALTCPU _IO('P', 8)
248 #define APMIO_DISPLAY _IOW('P', 9, int)
249 #define APMIO_BIOS _IOWR('P', 10, struct apm_bios_arg)
250 #define APMIO_GETINFO _IOR('P', 11, struct apm_info)
251 #define APMIO_STANDBY _IO('P', 12)
252 /* for /dev/apmctl */
253 #define APMIO_NEXTEVENT _IOR('A', 100, struct apm_event_info)
254 #define APMIO_REJECTLASTREQ _IO('P', 101)
255
256 #endif /* !ASSEMBLER && !INITIALIZER */
257
258 #endif /* !_MACHINE_APM_BIOS_H_ */
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