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
|
/* $OpenBSD: acpi_x86.c,v 1.22 2024/06/25 11:57:10 kettenis Exp $ */
/*
* Copyright (c) 2005 Thorsten Lockert <tholo@sigmasoft.com>
* Copyright (c) 2005 Jordan Hargrave <jordan@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <dev/acpi/acpireg.h>
#include <dev/acpi/acpivar.h>
#include <dev/acpi/acpidev.h>
#include <dev/acpi/dsdt.h>
#include <machine/apmvar.h>
int
sleep_showstate(void *v, int sleepmode)
{
struct acpi_softc *sc = v;
int fallback_state = -1;
switch (sleepmode) {
case SLEEP_SUSPEND:
sc->sc_state = ACPI_STATE_S3;
#ifdef __amd64__
fallback_state = ACPI_STATE_S0; /* No S3, use S0 */
#endif
break;
case SLEEP_HIBERNATE:
sc->sc_state = ACPI_STATE_S4;
fallback_state = ACPI_STATE_S5; /* No S4, use S5 */
break;
default:
return (EOPNOTSUPP);
}
if (sc->sc_sleeptype[sc->sc_state].slp_typa == -1 ||
sc->sc_sleeptype[sc->sc_state].slp_typb == -1) {
if (fallback_state != -1) {
printf("%s: S%d unavailable, using S%d\n",
sc->sc_dev.dv_xname, sc->sc_state, fallback_state);
sc->sc_state = fallback_state;
} else {
printf("%s: state S%d unavailable\n",
sc->sc_dev.dv_xname, sc->sc_state);
return (EOPNOTSUPP);
}
}
/* 1st suspend AML step: _TTS(tostate) */
if (sc->sc_state != ACPI_STATE_S0) {
if (aml_node_setval(sc, sc->sc_tts, sc->sc_state) != 0)
return (EINVAL);
}
acpi_indicator(sc, ACPI_SST_WAKING); /* blink */
return 0;
}
int
sleep_setstate(void *v)
{
struct acpi_softc *sc = v;
/* 2nd suspend AML step: _PTS(tostate) */
if (sc->sc_state != ACPI_STATE_S0) {
if (aml_node_setval(sc, sc->sc_pts, sc->sc_state) != 0)
return (EINVAL);
}
acpi_indicator(sc, ACPI_SST_WAKING); /* blink */
return 0;
}
int
gosleep(void *v)
{
struct acpi_softc *sc = v;
int ret;
acpibtn_enable_psw(); /* enable _LID for wakeup */
acpi_indicator(sc, ACPI_SST_SLEEPING);
/* 3rd suspend AML step: _GTS(tostate) */
if (sc->sc_state != ACPI_STATE_S0)
aml_node_setval(sc, sc->sc_gts, sc->sc_state);
/* Clear fixed event status */
acpi_write_pmreg(sc, ACPIREG_PM1_STS, 0, ACPI_PM1_ALL_STS);
/* Enable wake GPEs */
acpi_disable_allgpes(sc);
acpi_enable_wakegpes(sc, sc->sc_state);
ret = acpi_sleep_cpu(sc, sc->sc_state);
acpi_resume_cpu(sc, sc->sc_state);
return ret;
}
int
sleep_resume(void *v)
{
struct acpi_softc *sc = v;
sc->sc_resume_time = getuptime();
acpibtn_disable_psw(); /* disable _LID for wakeup */
/* 3rd resume AML step: _TTS(runstate) */
if (sc->sc_state != ACPI_STATE_S0) {
if (aml_node_setval(sc, sc->sc_tts, ACPI_STATE_S0) != 0)
return (EINVAL);
}
acpi_indicator(sc, ACPI_SST_WAKING); /* blink */
return 0;
}
static int
checklids(struct acpi_softc *sc)
{
extern int lid_action;
int lids;
lids = acpibtn_numopenlids();
if (lids == 0 && lid_action != 0)
return EAGAIN;
return 0;
}
int
suspend_finish(void *v)
{
struct acpi_softc *sc = v;
printf("wakeup event: ");
switch (sc->sc_wakegpe) {
case -1:
printf("PWRBTN\n");
break;
case -2:
printf("SLPTN\n");
break;
default:
printf("GPE 0x%x\n", sc->sc_wakegpe);
break;
}
acpi_record_event(sc, APM_NORMAL_RESUME);
acpi_indicator(sc, ACPI_SST_WORKING);
sc->sc_state = ACPI_STATE_S0;
/* If we woke up but all the lids are closed, go back to sleep */
return checklids(sc);
}
|
