214 lines
6.2 KiB
C
214 lines
6.2 KiB
C
/* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86PM.c,v 3.9 2003/08/24 17:36:54 dawes Exp $ */
|
|
/*
|
|
* 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).
|
|
*/
|
|
|
|
#include "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 char *
|
|
eventName(pmEvent event)
|
|
{
|
|
switch(event) {
|
|
case XF86_APM_SYS_STANDBY: return ("System Standby Request");
|
|
case XF86_APM_SYS_SUSPEND: return ("System Suspend Request");
|
|
case XF86_APM_CRITICAL_SUSPEND: return ("Critical Suspend");
|
|
case XF86_APM_USER_STANDBY: return ("User System Standby Request");
|
|
case XF86_APM_USER_SUSPEND: return ("User System Suspend Request");
|
|
case XF86_APM_STANDBY_RESUME: return ("System Standby Resume");
|
|
case XF86_APM_NORMAL_RESUME: return ("Normal Resume System");
|
|
case XF86_APM_CRITICAL_RESUME: return ("Critical Resume System");
|
|
case XF86_APM_LOW_BATTERY: return ("Battery Low");
|
|
case XF86_APM_POWER_STATUS_CHANGE: return ("Power Status Change");
|
|
case XF86_APM_UPDATE_TIME: return ("Update Time");
|
|
case XF86_APM_CAPABILITY_CHANGED: return ("Capability Changed");
|
|
case XF86_APM_STANDBY_FAILED: return ("Standby Request Failed");
|
|
case XF86_APM_SUSPEND_FAILED: return ("Suspend Request Failed");
|
|
default: return ("Unknown Event");
|
|
}
|
|
}
|
|
|
|
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);
|
|
}
|
|
#if !defined(__EMX__)
|
|
pInfo = xf86InputDevs;
|
|
while (pInfo) {
|
|
DisableDevice(pInfo->dev);
|
|
pInfo = pInfo->next;
|
|
}
|
|
#endif
|
|
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);
|
|
#if !defined(__EMX__)
|
|
pInfo = xf86InputDevs;
|
|
while (pInfo) {
|
|
EnableDevice(pInfo->dev);
|
|
pInfo = pInfo->next;
|
|
}
|
|
#endif
|
|
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;
|
|
|
|
switch(event) {
|
|
case XF86_APM_SYS_STANDBY:
|
|
case XF86_APM_SYS_SUSPEND:
|
|
case XF86_APM_CRITICAL_SUSPEND: /*do we want to delay a critical suspend?*/
|
|
case XF86_APM_USER_STANDBY:
|
|
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;
|
|
case XF86_APM_STANDBY_RESUME:
|
|
case XF86_APM_NORMAL_RESUME:
|
|
case XF86_APM_CRITICAL_RESUME:
|
|
if (suspended) {
|
|
resume(event,undo);
|
|
suspended = FALSE;
|
|
}
|
|
break;
|
|
default:
|
|
xf86EnterServerState(SETUP);
|
|
for (i = 0; i < xf86NumScreens; i++) {
|
|
xf86EnableAccess(xf86Screens[i]);
|
|
if (xf86Screens[i]->PMEvent)
|
|
xf86Screens[i]->PMEvent(i,event,undo);
|
|
}
|
|
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++) {
|
|
xf86MsgVerb(X_INFO,3,"PM Event received: %s\n",
|
|
eventName(events[i]));
|
|
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);
|
|
}
|
|
}
|