initial state (xorg-server 1.10.2)

1 files changed, 197 insertions, 0 deletions

diff --git a/hw/xfree86/common/xf86DPMS.c b/hw/xfree86/common/xf86DPMS.c
new file mode 100644
index 0000000..cd025dc
--- /dev/null
+++ b/hw/xfree86/common/xf86DPMS.c
@@ -0,0 +1,197 @@
+/*
+ * 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
+#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;
+
+    /* This shouldn't happen */
+    if (DPMSKey == NULL)
+	return FALSE;
+
+    pDPMS = dixLookupPrivate(&pScreen->devPrivates, DPMSKey);
+
+    /* 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);
+    }
+    
+    if (--DPMSCount == 0)
+	DPMSKey = NULL;
+    return pScreen->CloseScreen(i, pScreen);
+}
+
+
+/*
+ * DPMSSet --
+ *	Device dependent DPMS mode setting hook.  This is called whenever
+ *	the DPMS mode is to be changed.
+ */
+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 each screen, set the DPMS level */
+    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;
+}
+
+
+/*
+ * DPMSSupported --
+ *	Return TRUE if any screen supports DPMS.
+ */
+Bool
+DPMSSupported(void)
+{
+    int i;
+    DPMSPtr pDPMS;
+    ScrnInfoPtr pScrn;
+
+    if (DPMSKey == NULL) {
+	return FALSE;
+    }
+
+    /* For each screen, check if DPMS is supported */
+    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 /* DPMSExtension */