diff options
Diffstat (limited to 'xorg-server/hw/xfree86/common/xf86PM.c')
| -rw-r--r-- | xorg-server/hw/xfree86/common/xf86PM.c | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/common/xf86PM.c b/xorg-server/hw/xfree86/common/xf86PM.c new file mode 100644 index 000000000..7c8320dee --- /dev/null +++ b/xorg-server/hw/xfree86/common/xf86PM.c @@ -0,0 +1,220 @@ +/* + * 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); + } + dixSaveScreens(serverClient, 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); + } +} |