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