#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif
#include <X11/X.h>
#include "os.h"
#include "globals.h"
#include "xf86.h"
#include "xf86Priv.h"
#ifdef DPMSExtension
#include <X11/extensions/dpmsconst.h>
#include "dpmsproc.h"
#endif
#include "xf86VGAarbiter.h"
#ifdef DPMSExtension
static DevPrivateKeyRec DPMSKeyRec;
static DevPrivateKey DPMSKey;
static Bool DPMSClose(int i, ScreenPtr pScreen);
static int DPMSCount = 0;
#endif
Bool
xf86DPMSInit(ScreenPtr pScreen, DPMSSetProcPtr set, int flags)
{
#ifdef DPMSExtension
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
DPMSPtr pDPMS;
pointer DPMSOpt;
MessageType enabled_from;
DPMSKey = &DPMSKeyRec;
if (!dixRegisterPrivateKey(&DPMSKeyRec, PRIVATE_SCREEN, sizeof (DPMSRec)))
return FALSE;
pDPMS = dixLookupPrivate(&pScreen->devPrivates, DPMSKey);
pScrn->DPMSSet = set;
pDPMS->Flags = flags;
DPMSOpt = xf86FindOption(pScrn->options, "dpms");
if (DPMSDisabledSwitch) {
enabled_from = X_CMDLINE;
DPMSEnabled = FALSE;
}
else if (DPMSOpt) {
enabled_from = X_CONFIG;
DPMSEnabled = xf86CheckBoolOption(pScrn->options, "dpms", FALSE);
xf86MarkOptionUsed(DPMSOpt);
}
else {
enabled_from = X_DEFAULT;
DPMSEnabled = TRUE;
}
if (DPMSEnabled)
xf86DrvMsg(pScreen->myNum, enabled_from, "DPMS enabled\n");
pDPMS->Enabled = DPMSEnabled;
pDPMS->CloseScreen = pScreen->CloseScreen;
pScreen->CloseScreen = DPMSClose;
DPMSCount++;
return TRUE;
#else
return FALSE;
#endif
}
#ifdef DPMSExtension
static Bool
DPMSClose(int i, ScreenPtr pScreen)
{
DPMSPtr pDPMS;
if (DPMSKey == NULL)
return FALSE;
pDPMS = dixLookupPrivate(&pScreen->devPrivates, DPMSKey);
if (!pDPMS)
return FALSE;
pScreen->CloseScreen = pDPMS->CloseScreen;
if (xf86Screens[i]->vtSema && xf86Screens[i]->DPMSSet) {
xf86Screens[i]->DPMSSet(xf86Screens[i],DPMSModeOn,0);
}
if (--DPMSCount == 0)
DPMSKey = NULL;
return pScreen->CloseScreen(i, pScreen);
}
int
DPMSSet(ClientPtr client, int level)
{
int rc, i;
DPMSPtr pDPMS;
ScrnInfoPtr pScrn;
DPMSPowerLevel = level;
if (DPMSKey == NULL)
return Success;
if (level != DPMSModeOn) {
rc = dixSaveScreens(client, SCREEN_SAVER_FORCER, ScreenSaverActive);
if (rc != Success)
return rc;
}
for (i = 0; i < xf86NumScreens; i++) {
pScrn = xf86Screens[i];
pDPMS = dixLookupPrivate(&screenInfo.screens[i]->devPrivates, DPMSKey);
if (pDPMS && pScrn->DPMSSet && pDPMS->Enabled && pScrn->vtSema) {
xf86VGAarbiterLock(pScrn);
pScrn->DPMSSet(pScrn, level, 0);
xf86VGAarbiterUnlock(pScrn);
}
}
return Success;
}
Bool
DPMSSupported(void)
{
int i;
DPMSPtr pDPMS;
ScrnInfoPtr pScrn;
if (DPMSKey == NULL) {
return FALSE;
}
for (i = 0; i < xf86NumScreens; i++) {
pScrn = xf86Screens[i];
pDPMS = dixLookupPrivate(&screenInfo.screens[i]->devPrivates, DPMSKey);
if (pDPMS && pScrn->DPMSSet)
return TRUE;
}
return FALSE;
}
#endif