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Diffstat (limited to 'xorg-server/hw/xfree86/common/xf86PM.c')
-rw-r--r--xorg-server/hw/xfree86/common/xf86PM.c220
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);
+ }
+}