1/*	$OpenBSD: apmvar.h,v 1.22 2019/01/22 02:36:30 phessler Exp $	*/
2
3/*
4 *  Copyright (c) 1995 John T. Kohl
5 *  All rights reserved.
6 *
7 *  Redistribution and use in source and binary forms, with or without
8 *  modification, are permitted provided that the following conditions
9 *  are met:
10 *  1. Redistributions of source code must retain the above copyright
11 *     notice, this list of conditions and the following disclaimer.
12 *  2. Redistributions in binary form must reproduce the above copyright
13 *     notice, this list of conditions and the following disclaimer in the
14 *     documentation and/or other materials provided with the distribution.
15 *  3. The name of the author may not be used to endorse or promote products
16 *     derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
22 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
27 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 *
30 */
31#ifndef _MACHINE_APMVAR_H_
32#define _MACHINE_APMVAR_H_
33
34#include <sys/ioccom.h>
35
36/* Advanced Power Management (v1.0 and v1.1 specification)
37 * functions/defines/etc.
38 */
39
40#define	APM_VERSION	0x0102
41
42/*
43 * APM info word from boot loader
44 */
45#define APM_16BIT_SUPPORTED	0x00010000
46#define APM_32BIT_SUPPORTED	0x00020000
47#define APM_IDLE_SLOWS		0x00040000
48#define APM_BIOS_PM_DISABLED	0x00080000
49#define APM_BIOS_PM_DISENGAGED	0x00100000
50#define	APM_MAJOR(f)		(((f) >> 8) & 0xff)
51#define	APM_MINOR(f)		((f) & 0xff)
52#define	APM_VERMASK		0x0000ffff
53#define	APM_NOCLI		0x00010000
54#define	APM_BEBATT		0x00020000
55
56/* APM error codes */
57#define	APM_ERR_CODE(regs)	(((regs)->ax & 0xff00) >> 8)
58#define	APM_ERR_PM_DISABLED	0x01
59#define	APM_ERR_REALALREADY	0x02
60#define	APM_ERR_NOTCONN		0x03
61#define	APM_ERR_16ALREADY	0x05
62#define	APM_ERR_16NOTSUPP	0x06
63#define	APM_ERR_32ALREADY	0x07
64#define	APM_ERR_32NOTSUPP	0x08
65#define	APM_ERR_UNRECOG_DEV	0x09
66#define	APM_ERR_ERANGE		0x0A
67#define	APM_ERR_NOTENGAGED	0x0B
68#define	APM_ERR_EOPNOSUPP	0x0C
69#define	APM_ERR_RTIMER_DISABLED	0x0D
70#define APM_ERR_UNABLE		0x60
71#define APM_ERR_NOEVENTS	0x80
72#define	APM_ERR_NOT_PRESENT	0x86
73
74#define APM_DEV_APM_BIOS	0x0000
75#define APM_DEV_ALLDEVS		0x0001
76/* device classes are high byte; device IDs go in low byte */
77#define		APM_DEV_DISPLAY(x)	(0x0100|((x)&0xff))
78#define		APM_DEV_DISK(x)		(0x0200|((x)&0xff))
79#define		APM_DEV_PARALLEL(x)	(0x0300|((x)&0xff))
80#define		APM_DEV_SERIAL(x)	(0x0400|((x)&0xff))
81#define		APM_DEV_NETWORK(x)	(0x0500|((x)&0xff))
82#define		APM_DEV_PCMCIA(x)	(0x0600|((x)&0xff))
83#define		APM_DEV_BATTERIES(x)	(0x8000|((x)&0xff))
84#define		APM_DEV_ALLUNITS	0xff
85/* 0x8100-0xDFFF - reserved	*/
86/* 0xE000-0xEFFF - OEM-defined	*/
87/* 0xF000-0xFFFF - reserved	*/
88
89#define	APM_INSTCHECK		0x5300	/* int15 only */
90#define		APM_16BIT_SUPPORT	0x01
91#define		APM_32BIT_SUPPORT	0x02
92#define		APM_CPUIDLE_SLOW	0x04
93#define		APM_DISABLED		0x08
94#define		APM_DISENGAGED		0x10
95
96#define	APM_REAL_CONNECT	0x5301	/* int15 only */
97#define	APM_PROT16_CONNECT	0x5302	/* int15 only */
98#define	APM_PROT32_CONNECT	0x5303	/* int15 only */
99#define APM_DISCONNECT		0x5304	/* %bx = APM_DEV_APM_BIOS */
100
101#define APM_CPU_IDLE		0x5305
102#define APM_CPU_BUSY		0x5306
103
104#define APM_SET_PWR_STATE	0x5307
105#define		APM_SYS_READY		0x0000	/* %cx */
106#define		APM_SYS_STANDBY		0x0001
107#define		APM_SYS_SUSPEND		0x0002
108#define		APM_SYS_OFF		0x0003
109#define		APM_LASTREQ_INPROG	0x0004
110#define		APM_LASTREQ_REJECTED	0x0005
111/* 0x0006 - 0x001f	Reserved system states    */
112/* 0x0020 - 0x003f	OEM-defined system states */
113/* 0x0040 - 0x007f	OEM-defined device states */
114/* 0x0080 - 0xffff	Reserved device states    */
115
116/* system standby is device ID (%bx) 0x0001, APM_SYS_STANDBY */
117/* system suspend is device ID (%bx) 0x0001, APM_SYS_SUSPEND */
118
119#define APM_PWR_MGT_ENABLE	0x5308
120#define		APM_MGT_ALL	0xffff	/* %bx */
121#define		APM_MGT_DISABLE	0x0	/* %cx */
122#define		APM_MGT_ENABLE	0x1
123
124#define APM_SYSTEM_DEFAULTS	0x5309
125#define		APM_DEFAULTS_ALL	0xffff	/* %bx */
126
127#define APM_POWER_STATUS	0x530a
128#define		APM_AC_OFF		0x00
129#define		APM_AC_ON		0x01
130#define		APM_AC_BACKUP		0x02
131#define		APM_AC_UNKNOWN		0xff
132#define		APM_BATT_HIGH		0x00
133#define		APM_BATT_LOW		0x01
134#define		APM_BATT_CRITICAL	0x02
135#define		APM_BATT_CHARGING	0x03
136#define		APM_BATT_UNKNOWN	0xff
137#define		APM_BATT_FLAG_HIGH	0x01
138#define		APM_BATT_FLAG_LOW	0x02
139#define		APM_BATT_FLAG_CRITICAL	0x04
140#define		APM_BATT_FLAG_CHARGING	0x08
141#define		APM_BATT_FLAG_NOBATTERY	0x10
142#define		APM_BATT_FLAG_NOSYSBATT	0x80
143#define		APM_BATT_LIFE_UNKNOWN	0xff
144#define		BATT_STATE(regp) ((regp)->bx & 0xff)
145#define		BATT_FLAGS(regp) (((regp)->cx & 0xff00) >> 8)
146#define		AC_STATE(regp) (((regp)->bx & 0xff00) >> 8)
147#define		BATT_LIFE(regp) ((regp)->cx & 0xff) /* in % */
148/* Return time in minutes. According to the APM 1.2 spec:
149	DX = Remaining battery life -- time units
150		Bit 15 = 0	Time units are seconds
151		       = 1 	Time units are minutes
152		Bits 14-0 =	Number of seconds or minutes */
153#define		BATT_REMAINING(regp) (((regp)->dx & 0x8000) ? \
154				      ((regp)->dx & 0x7fff) : \
155				      ((regp)->dx & 0x7fff)/60)
156#define		BATT_REM_VALID(regp) (((regp)->dx & 0xffff) != 0xffff)
157#define		BATT_COUNT(regp)	((regp)->si)
158
159#define	APM_GET_PM_EVENT	0x530b
160#define		APM_NOEVENT		0x0000
161#define		APM_STANDBY_REQ		0x0001 /* %bx on return */
162#define		APM_SUSPEND_REQ		0x0002
163#define		APM_NORMAL_RESUME	0x0003
164#define		APM_CRIT_RESUME		0x0004 /* suspend/resume happened
165						  without us */
166#define		APM_BATTERY_LOW		0x0005
167#define		APM_POWER_CHANGE	0x0006
168#define		APM_UPDATE_TIME		0x0007
169#define		APM_CRIT_SUSPEND_REQ	0x0008
170#define		APM_USER_STANDBY_REQ	0x0009
171#define		APM_USER_SUSPEND_REQ	0x000A
172#define		APM_SYS_STANDBY_RESUME	0x000B
173#define		APM_CAPABILITY_CHANGE	0x000C	/* apm v1.2 */
174/* 0x000d - 0x00ff	Reserved system events */
175#define		APM_USER_HIBERNATE_REQ	0x000D
176/* 0x0100 - 0x01ff	Reserved device events */
177/* 0x0200 - 0x02ff	OEM-defined APM events */
178/* 0x0300 - 0xffff	Reserved */
179#define		APM_EVENT_MASK		0xffff
180
181#define	APM_EVENT_COMPOSE(t,i)	((((i) & 0x7fff) << 16)|((t) & APM_EVENT_MASK))
182#define	APM_EVENT_TYPE(e)	((e) & APM_EVENT_MASK)
183#define	APM_EVENT_INDEX(e)	((e) >> 16)
184
185#define	APM_GET_POWER_STATE	0x530c
186#define	APM_DEVICE_MGMT_ENABLE	0x530d
187
188#define	APM_DRIVER_VERSION	0x530e
189/* %bx should be DEV value (APM_DEV_APM_BIOS)
190   %ch = driver major vno
191   %cl = driver minor vno
192   return: %ah = conn major; %al = conn minor
193   */
194#define		APM_CONN_MINOR(regp) ((regp)->ax & 0xff)
195#define		APM_CONN_MAJOR(regp) (((regp)->ax & 0xff00) >> 8)
196
197#define APM_PWR_MGT_ENGAGE	0x530F
198#define		APM_MGT_DISENGAGE	0x0	/* %cx */
199#define		APM_MGT_ENGAGE		0x1
200
201/* %bx - APM_DEV_APM_BIOS
202 * %bl - number of batteries
203 * %cx - capabilities
204 */
205#define	APM_GET_CAPABILITIES	0x5310
206#define		APM_NBATTERIES(regp)	((regp)->bx)
207#define		APM_GLOBAL_STANDBY	0x0001
208#define		APM_GLOBAL_SUSPEND	0x0002
209#define		APM_RTIMER_STANDBY	0x0004	/* resume time wakes up */
210#define		APM_RTIMER_SUSPEND	0x0008
211#define		APM_IRRING_STANDBY	0x0010	/* internal ring wakes up */
212#define		APM_IRRING_SUSPEND	0x0020
213#define		APM_PCCARD_STANDBY	0x0040	/* pccard wakes up */
214#define		APM_PCCARD_SUSPEND	0x0080
215
216/* %bx - APM_DEV_APM_BIOS
217 * %cl - function
218 *	for %cl=2 (set resume timer)
219 * %ch - seconds in BCD
220 * %dh - hours in BCD
221 * %dl - minutes in BCD
222 * %si - month in BCD (high), day in BCD (low)
223 * %di - year in BCD
224 */
225#define	APM_RESUME_TIMER	0x5311
226#define		APM_RT_DISABLE	0x0
227#define		APM_RT_GET	0x1
228#define		APM_RT_SET	0x2
229
230/* %bx - APM_DEV_APM_BIOS
231 * %cx - function
232 */
233#define	APM_RESUME_ON_RING	0x5312
234#define		APM_ROR_DISABLE	0x0
235#define		APM_ROR_ENABLE	0x1
236#define		APM_ROR_STATUS	0x2
237
238/* %bx - APM_EDV_APM_BIOS
239 * %cx - function
240 */
241#define	APM_INACTIVITY_TIMER	0x5313
242#define		APM_IT_DISABLE	0x0
243#define		APM_IT_ENABLE	0x1
244#define		APM_IT_STATUS	0x2
245
246/* %bh - function */
247#define APM_OEM			0x5380
248#define		APM_OEM_INSTCHECK	0x7f	/* %bx - OEM ID */
249
250/*
251 * LP (Laptop Package)
252 *
253 * Copyright (C) 1994 by HOSOKAWA Tatsumi <hosokawa@mt.cs.keio.ac.jp>
254 *
255 * This software may be used, modified, copied, and distributed, in
256 * both source and binary form provided that the above copyright and
257 * these terms are retained. Under no circumstances is the author
258 * responsible for the proper functioning of this software, nor does
259 * the author assume any responsibility for damages incurred with its
260 * use.
261 *
262 * Sep., 1994	Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD)
263 */
264
265#define APM_BATTERY_ABSENT 4
266
267struct apm_power_info {
268	u_char battery_state;
269	u_char ac_state;
270	u_char battery_life;
271	u_char spare1;
272	u_int minutes_left;		/* estimate */
273	u_int spare2[6];
274};
275
276struct apm_ctl {
277	u_int dev;
278	u_int mode;
279};
280
281#define	APM_IOC_REJECT	_IOW('A', 0, struct apm_event_info) /* reject request # */
282#define	APM_IOC_STANDBY	_IO('A', 1)	/* put system into standby */
283#define	APM_IOC_SUSPEND	_IO('A', 2)	/* put system into suspend */
284#define	APM_IOC_GETPOWER _IOR('A', 3, struct apm_power_info) /* fetch battery state */
285#define	APM_IOC_DEV_CTL	_IOW('A', 5, struct apm_ctl) /* put device into mode */
286#define APM_IOC_PRN_CTL _IOW('A', 6, int ) /* driver power status msg */
287#define		APM_PRINT_ON	0	/* driver power status displayed */
288#define		APM_PRINT_OFF	1	/* driver power status not displayed */
289#define		APM_PRINT_PCT	2	/* driver power status only displayed
290					   if the percentage changes */
291#define	APM_IOC_STANDBY_REQ	_IO('A', 7)	/* request standby */
292#define	APM_IOC_SUSPEND_REQ	_IO('A', 8)	/* request suspend */
293#define	APM_IOC_HIBERNATE	_IO('A', 9)	/* put system into hibernate */
294
295
296#ifdef _KERNEL
297extern void apm_cpu_busy(void);
298extern void apm_cpu_idle(void);
299extern void apminit(void);
300int apm_set_powstate(u_int devid, u_int powstate);
301#endif /* _KERNEL */
302
303#endif /* _MACHINE_APMVAR_H_ */
304