PM: Introduce PM_EVENT_HIBERNATE callback state

[linux-2.6-omap-h63xx.git] / include / linux / pm.h

diff --git a/include/linux/pm.h b/include/linux/pm.h
index eccf59ea2a77ba107359fd74288aa6043ff4140a..015b735811b436e87a99ffbc5bb27f4ede1226cc 100644 (file)
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -143,6 +143,9 @@ typedef struct pm_message {
  *             the upcoming system state (such as PCI_D3hot), and enable
  *             wakeup events as appropriate.
  *
+ * HIBERNATE   Enter a low power device state appropriate for the hibernation
+ *             state (eg. ACPI S4) and enable wakeup events as appropriate.
+ *
  * FREEZE      Quiesce operations so that a consistent image can be saved;
  *             but do NOT otherwise enter a low power device state, and do
  *             NOT emit system wakeup events.
@@ -166,11 +169,15 @@ typedef struct pm_message {
 #define PM_EVENT_ON 0
 #define PM_EVENT_FREEZE 1
 #define PM_EVENT_SUSPEND 2
-#define PM_EVENT_PRETHAW 3
+#define PM_EVENT_HIBERNATE 4
+#define PM_EVENT_PRETHAW 8
+
+#define PM_EVENT_SLEEP (PM_EVENT_SUSPEND | PM_EVENT_HIBERNATE)
 
 #define PMSG_FREEZE    ((struct pm_message){ .event = PM_EVENT_FREEZE, })
 #define PMSG_PRETHAW   ((struct pm_message){ .event = PM_EVENT_PRETHAW, })
 #define PMSG_SUSPEND   ((struct pm_message){ .event = PM_EVENT_SUSPEND, })
+#define PMSG_HIBERNATE ((struct pm_message){ .event = PM_EVENT_HIBERNATE, })
 #define PMSG_ON                ((struct pm_message){ .event = PM_EVENT_ON, })
 
 struct dev_pm_info {