aboutsummaryrefslogtreecommitdiff
path: root/nx-X11/programs/Xserver/hw/xfree86/common/xf86DPMS.c
diff options
context:
space:
mode:
Diffstat (limited to 'nx-X11/programs/Xserver/hw/xfree86/common/xf86DPMS.c')
-rw-r--r--nx-X11/programs/Xserver/hw/xfree86/common/xf86DPMS.c222
1 files changed, 222 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/hw/xfree86/common/xf86DPMS.c b/nx-X11/programs/Xserver/hw/xfree86/common/xf86DPMS.c
new file mode 100644
index 000000000..f02585a0f
--- /dev/null
+++ b/nx-X11/programs/Xserver/hw/xfree86/common/xf86DPMS.c
@@ -0,0 +1,222 @@
+/* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86DPMS.c,v 1.11 2003/11/11 21:02:28 dawes Exp $ */
+/* $XdotOrg: xc/programs/Xserver/hw/xfree86/common/xf86DPMS.c,v 1.8 2005/07/03 08:53:42 daniels Exp $ */
+
+/*
+ * Copyright (c) 1997-2003 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).
+ */
+
+/*
+ * This file contains the DPMS functions required by the extension.
+ */
+
+#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
+#define DPMS_SERVER
+#include <X11/extensions/dpms.h>
+#include "dpmsproc.h"
+#endif
+
+
+#ifdef DPMSExtension
+static int DPMSGeneration = 0;
+static int DPMSIndex = -1;
+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;
+
+ if (serverGeneration != DPMSGeneration) {
+ if ((DPMSIndex = AllocateScreenPrivateIndex()) < 0)
+ return FALSE;
+ DPMSGeneration = serverGeneration;
+ }
+
+ if (DPMSDisabledSwitch)
+ DPMSEnabled = FALSE;
+ if (!(pScreen->devPrivates[DPMSIndex].ptr = xcalloc(sizeof(DPMSRec), 1)))
+ return FALSE;
+
+ pDPMS = (DPMSPtr)pScreen->devPrivates[DPMSIndex].ptr;
+ pScrn->DPMSSet = set;
+ pDPMS->Flags = flags;
+ DPMSOpt = xf86FindOption(pScrn->options, "dpms");
+ if (DPMSOpt) {
+ if ((pDPMS->Enabled
+ = xf86SetBoolOption(pScrn->options, "dpms", FALSE))
+ && !DPMSDisabledSwitch)
+ DPMSEnabled = TRUE;
+ xf86MarkOptionUsed(DPMSOpt);
+ xf86DrvMsg(pScreen->myNum, X_CONFIG, "DPMS enabled\n");
+ } else if (DPMSEnabledSwitch) {
+ if (!DPMSDisabledSwitch)
+ DPMSEnabled = TRUE;
+ pDPMS->Enabled = TRUE;
+ }
+ else {
+ pDPMS->Enabled = defaultDPMSEnabled;
+ }
+ 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;
+
+ /* This shouldn't happen */
+ if (DPMSIndex < 0)
+ return FALSE;
+
+ pDPMS = (DPMSPtr)pScreen->devPrivates[DPMSIndex].ptr;
+
+ /* This shouldn't happen */
+ if (!pDPMS)
+ return FALSE;
+
+ pScreen->CloseScreen = pDPMS->CloseScreen;
+
+ /*
+ * Turn on DPMS when shutting down. If this function can be used
+ * depends on the order the driver wraps things. If this is called
+ * after the driver has shut down everything the driver will have
+ * to deal with this internally.
+ */
+ if (xf86Screens[i]->vtSema && xf86Screens[i]->DPMSSet) {
+ xf86Screens[i]->DPMSSet(xf86Screens[i],DPMSModeOn,0);
+ }
+
+ xfree((pointer)pDPMS);
+ pScreen->devPrivates[DPMSIndex].ptr = NULL;
+ if (--DPMSCount == 0)
+ DPMSIndex = -1;
+ return pScreen->CloseScreen(i, pScreen);
+}
+
+
+/*
+ * DPMSSet --
+ * Device dependent DPMS mode setting hook. This is called whenever
+ * the DPMS mode is to be changed.
+ */
+void
+DPMSSet(int level)
+{
+ int i;
+ DPMSPtr pDPMS;
+ ScrnInfoPtr pScrn;
+
+ DPMSPowerLevel = level;
+
+ if (DPMSIndex < 0)
+ return;
+
+ if (level != DPMSModeOn)
+ SaveScreens(SCREEN_SAVER_FORCER, ScreenSaverActive);
+
+ /* For each screen, set the DPMS level */
+ for (i = 0; i < xf86NumScreens; i++) {
+ pScrn = xf86Screens[i];
+ pDPMS = (DPMSPtr)screenInfo.screens[i]->devPrivates[DPMSIndex].ptr;
+ if (pDPMS && pScrn->DPMSSet && pDPMS->Enabled && pScrn->vtSema) {
+ xf86EnableAccess(pScrn);
+ pScrn->DPMSSet(pScrn, level, 0);
+ }
+ }
+}
+
+
+/*
+ * DPMSSupported --
+ * Return TRUE if any screen supports DPMS.
+ */
+Bool
+DPMSSupported(void)
+{
+ int i;
+ DPMSPtr pDPMS;
+ ScrnInfoPtr pScrn;
+
+ if (DPMSIndex < 0) {
+ return FALSE;
+ }
+
+ /* For each screen, check if DPMS is supported */
+ for (i = 0; i < xf86NumScreens; i++) {
+ pScrn = xf86Screens[i];
+ pDPMS = (DPMSPtr)screenInfo.screens[i]->devPrivates[DPMSIndex].ptr;
+ if (pDPMS && pScrn->DPMSSet)
+ return TRUE;
+ }
+ return FALSE;
+}
+
+
+/*
+ * DPMSGet --
+ * Device dependent DPMS mode getting hook. This returns the current
+ * DPMS mode, or -1 if DPMS is not supported.
+ *
+ * This should hook in to the appropriate driver-level function, which
+ * will be added to the ScrnInfoRec.
+ *
+ * NOTES:
+ * 1. the calling interface should be changed to specify which
+ * screen to check.
+ * 2. It isn't clear that this function is ever used or what it should
+ * return.
+ */
+int
+DPMSGet(int *level)
+{
+ return DPMSPowerLevel;
+}
+
+#endif /* DPMSExtension */