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, 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;
}
}
/*
* TsengCrtcDPMSSet --
*
* Sets VESA Display Power Management Signaling (DPMS) Mode.
* This routine is for the ET4000W32P rev. c and later, which can
* use CRTC indexed register 34 to turn off H/V Sync signals.
*
* '97 Harald Nordgård Hansen
*/
void
TsengCrtcDPMSSet(ScrnInfoPtr pScrn,
int PowerManagementMode, int flags)
{
unsigned char seq1, crtc34;
int iobase = VGAHWPTR(pScrn)->IOBase;
xf86EnableAccess(pScrn);
switch (PowerManagementMode) {
case DPMSModeOn:
default:
/* Screen: On; HSync: On, VSync: On */
seq1 = 0x00;
crtc34 = 0x00;
break;
case DPMSModeStandby:
/* Screen: Off; HSync: Off, VSync: On */
seq1 = 0x20;
crtc34 = 0x01;
break;
case DPMSModeSuspend:
/* Screen: Off; HSync: On, VSync: Off */
seq1 = 0x20;
crtc34 = 0x20;
break;
case DPMSModeOff:
/* Screen: Off; HSync: Off, VSync: Off */
seq1 = 0x20;
crtc34 = 0x21;
break;
}
outb(0x3C4, 0x01); /* Select SEQ1 */
seq1 |= inb(0x3C5) & ~0x20;
outb(0x3C5, seq1);
outb(iobase + 4, 0x34); /* Select CRTC34 */
crtc34 |= inb(iobase + 5) & ~0x21;
outb(iobase + 5, crtc34);
}
