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
|
/*
* Copyright (c) 2000-2002 by The XFree86 Project, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name of the copyright holder(s)
* and author(s) shall not be used in advertising or otherwise to promote
* the sale, use or other dealings in this Software without prior written
* authorization from the copyright holder(s) and author(s).
*/
#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif
#include <X11/X.h>
#include "xf86.h"
#include "xf86Priv.h"
#include "xf86Xinput.h"
int (*xf86PMGetEventFromOs)(int fd,pmEvent *events,int num) = NULL;
pmWait (*xf86PMConfirmEventToOs)(int fd,pmEvent event) = NULL;
static Bool suspended = FALSE;
static int
eventName(pmEvent event, char **str)
{
switch(event) {
case XF86_APM_SYS_STANDBY: *str="System Standby Request"; return 0;
case XF86_APM_SYS_SUSPEND: *str="System Suspend Request"; return 0;
case XF86_APM_CRITICAL_SUSPEND: *str="Critical Suspend"; return 0;
case XF86_APM_USER_STANDBY: *str="User System Standby Request"; return 0;
case XF86_APM_USER_SUSPEND: *str="User System Suspend Request"; return 0;
case XF86_APM_STANDBY_RESUME: *str="System Standby Resume"; return 0;
case XF86_APM_NORMAL_RESUME: *str="Normal Resume System"; return 0;
case XF86_APM_CRITICAL_RESUME: *str="Critical Resume System"; return 0;
case XF86_APM_LOW_BATTERY: *str="Battery Low"; return 3;
case XF86_APM_POWER_STATUS_CHANGE: *str="Power Status Change";return 3;
case XF86_APM_UPDATE_TIME: *str="Update Time";return 3;
case XF86_APM_CAPABILITY_CHANGED: *str="Capability Changed"; return 3;
case XF86_APM_STANDBY_FAILED: *str="Standby Request Failed"; return 0;
case XF86_APM_SUSPEND_FAILED: *str="Suspend Request Failed"; return 0;
default: *str="Unknown Event"; return 0;
}
}
static void
suspend (pmEvent event, Bool undo)
{
int i;
InputInfoPtr pInfo;
xf86inSuspend = TRUE;
for (i = 0; i < xf86NumScreens; i++) {
xf86EnableAccess(xf86Screens[i]);
if (xf86Screens[i]->EnableDisableFBAccess)
(*xf86Screens[i]->EnableDisableFBAccess) (i, FALSE);
}
pInfo = xf86InputDevs;
while (pInfo) {
DisableDevice(pInfo->dev);
pInfo = pInfo->next;
}
xf86EnterServerState(SETUP);
for (i = 0; i < xf86NumScreens; i++) {
xf86EnableAccess(xf86Screens[i]);
if (xf86Screens[i]->PMEvent)
xf86Screens[i]->PMEvent(i,event,undo);
else {
xf86Screens[i]->LeaveVT(i, 0);
xf86Screens[i]->vtSema = FALSE;
}
}
xf86AccessLeave();
xf86AccessLeaveState();
}
static void
resume(pmEvent event, Bool undo)
{
int i;
InputInfoPtr pInfo;
xf86AccessEnter();
xf86EnterServerState(SETUP);
for (i = 0; i < xf86NumScreens; i++) {
xf86EnableAccess(xf86Screens[i]);
if (xf86Screens[i]->PMEvent)
xf86Screens[i]->PMEvent(i,event,undo);
else {
xf86Screens[i]->vtSema = TRUE;
xf86Screens[i]->EnterVT(i, 0);
}
}
xf86EnterServerState(OPERATING);
for (i = 0; i < xf86NumScreens; i++) {
xf86EnableAccess(xf86Screens[i]);
if (xf86Screens[i]->EnableDisableFBAccess)
(*xf86Screens[i]->EnableDisableFBAccess) (i, TRUE);
}
SaveScreens(SCREEN_SAVER_FORCER, ScreenSaverReset);
pInfo = xf86InputDevs;
while (pInfo) {
EnableDevice(pInfo->dev);
pInfo = pInfo->next;
}
xf86inSuspend = FALSE;
}
static void
DoApmEvent(pmEvent event, Bool undo)
{
/*
* we leave that as a global function for now. I don't know if
* this might cause problems in the future. It is a global server
* variable therefore it needs to be in a server info structure
*/
int i, setup = 0;
switch(event) {
#if 0
case XF86_APM_SYS_STANDBY:
case XF86_APM_USER_STANDBY:
#endif
case XF86_APM_SYS_SUSPEND:
case XF86_APM_CRITICAL_SUSPEND: /*do we want to delay a critical suspend?*/
case XF86_APM_USER_SUSPEND:
/* should we do this ? */
if (!undo && !suspended) {
suspend(event,undo);
suspended = TRUE;
} else if (undo && suspended) {
resume(event,undo);
suspended = FALSE;
}
break;
#if 0
case XF86_APM_STANDBY_RESUME:
#endif
case XF86_APM_NORMAL_RESUME:
case XF86_APM_CRITICAL_RESUME:
if (suspended) {
resume(event,undo);
suspended = FALSE;
}
break;
default:
for (i = 0; i < xf86NumScreens; i++) {
if (xf86Screens[i]->PMEvent) {
if (!setup) xf86EnterServerState(SETUP);
setup = 1;
xf86EnableAccess(xf86Screens[i]);
xf86Screens[i]->PMEvent(i,event,undo);
}
}
if (setup) xf86EnterServerState(OPERATING);
break;
}
}
#define MAX_NO_EVENTS 8
void
xf86HandlePMEvents(int fd, pointer data)
{
pmEvent events[MAX_NO_EVENTS];
int i,n;
Bool wait = FALSE;
if (!xf86PMGetEventFromOs)
return;
if ((n = xf86PMGetEventFromOs(fd,events,MAX_NO_EVENTS))) {
do {
for (i = 0; i < n; i++) {
char *str = NULL;
int verb = eventName(events[i],&str);
xf86MsgVerb(X_INFO,verb,"PM Event received: %s\n",str);
DoApmEvent(events[i],FALSE);
switch (xf86PMConfirmEventToOs(fd,events[i])) {
case PM_WAIT:
wait = TRUE;
break;
case PM_CONTINUE:
wait = FALSE;
break;
case PM_FAILED:
DoApmEvent(events[i],TRUE);
wait = FALSE;
break;
default:
break;
}
}
if (wait)
n = xf86PMGetEventFromOs(fd,events,MAX_NO_EVENTS);
else
break;
} while (1);
}
}
|
