1 files changed, 331 insertions, 0 deletions
diff --git a/sys/contrib/dev/acpica/components/events/evmisc.c b/sys/contrib/dev/acpica/components/events/evmisc.c
new file mode 100644
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--- /dev/null
+++ b/sys/contrib/dev/acpica/components/events/evmisc.c
@@ -0,0 +1,331 @@
+/******************************************************************************
+ *
+ * Module Name: evmisc - Miscellaneous event manager support functions
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2013, Intel Corp.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#include <contrib/dev/acpica/include/acpi.h>
+#include <contrib/dev/acpica/include/accommon.h>
+#include <contrib/dev/acpica/include/acevents.h>
+#include <contrib/dev/acpica/include/acnamesp.h>
+
+#define _COMPONENT          ACPI_EVENTS
+        ACPI_MODULE_NAME    ("evmisc")
+
+
+/* Local prototypes */
+
+static void ACPI_SYSTEM_XFACE
+AcpiEvNotifyDispatch (
+    void                    *Context);
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvIsNotifyObject
+ *
+ * PARAMETERS:  Node            - Node to check
+ *
+ * RETURN:      TRUE if notifies allowed on this object
+ *
+ * DESCRIPTION: Check type of node for a object that supports notifies.
+ *
+ *              TBD: This could be replaced by a flag bit in the node.
+ *
+ ******************************************************************************/
+
+BOOLEAN
+AcpiEvIsNotifyObject (
+    ACPI_NAMESPACE_NODE     *Node)
+{
+    switch (Node->Type)
+    {
+    case ACPI_TYPE_DEVICE:
+    case ACPI_TYPE_PROCESSOR:
+    case ACPI_TYPE_THERMAL:
+        /*
+         * These are the ONLY objects that can receive ACPI notifications
+         */
+        return (TRUE);
+
+    default:
+
+        return (FALSE);
+    }
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvQueueNotifyRequest
+ *
+ * PARAMETERS:  Node            - NS node for the notified object
+ *              NotifyValue     - Value from the Notify() request
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Dispatch a device notification event to a previously
+ *              installed handler.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiEvQueueNotifyRequest (
+    ACPI_NAMESPACE_NODE     *Node,
+    UINT32                  NotifyValue)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_OPERAND_OBJECT     *HandlerListHead = NULL;
+    ACPI_GENERIC_STATE      *Info;
+    UINT8                   HandlerListId = 0;
+    ACPI_STATUS             Status = AE_OK;
+
+
+    ACPI_FUNCTION_NAME (EvQueueNotifyRequest);
+
+
+    /* Are Notifies allowed on this object? */
+
+    if (!AcpiEvIsNotifyObject (Node))
+    {
+        return (AE_TYPE);
+    }
+
+    /* Get the correct notify list type (System or Device) */
+
+    if (NotifyValue <= ACPI_MAX_SYS_NOTIFY)
+    {
+        HandlerListId = ACPI_SYSTEM_HANDLER_LIST;
+    }
+    else
+    {
+        HandlerListId = ACPI_DEVICE_HANDLER_LIST;
+    }
+
+    /* Get the notify object attached to the namespace Node */
+
+    ObjDesc = AcpiNsGetAttachedObject (Node);
+    if (ObjDesc)
+    {
+        /* We have an attached object, Get the correct handler list */
+
+        HandlerListHead = ObjDesc->CommonNotify.NotifyList[HandlerListId];
+    }
+
+    /*
+     * If there is no notify handler (Global or Local)
+     * for this object, just ignore the notify
+     */
+    if (!AcpiGbl_GlobalNotify[HandlerListId].Handler && !HandlerListHead)
+    {
+        ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+            "No notify handler for Notify, ignoring (%4.4s, %X) node %p\n",
+            AcpiUtGetNodeName (Node), NotifyValue, Node));
+
+        return (AE_OK);
+    }
+
+    /* Setup notify info and schedule the notify dispatcher */
+
+    Info = AcpiUtCreateGenericState ();
+    if (!Info)
+    {
+        return (AE_NO_MEMORY);
+    }
+
+    Info->Common.DescriptorType = ACPI_DESC_TYPE_STATE_NOTIFY;
+
+    Info->Notify.Node = Node;
+    Info->Notify.Value = (UINT16) NotifyValue;
+    Info->Notify.HandlerListId = HandlerListId;
+    Info->Notify.HandlerListHead = HandlerListHead;
+    Info->Notify.Global = &AcpiGbl_GlobalNotify[HandlerListId];
+
+    ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
+        "Dispatching Notify on [%4.4s] (%s) Value 0x%2.2X (%s) Node %p\n",
+        AcpiUtGetNodeName (Node), AcpiUtGetTypeName (Node->Type),
+        NotifyValue, AcpiUtGetNotifyName (NotifyValue), Node));
+
+    Status = AcpiOsExecute (OSL_NOTIFY_HANDLER, AcpiEvNotifyDispatch,
+        Info);
+    if (ACPI_FAILURE (Status))
+    {
+        AcpiUtDeleteGenericState (Info);
+    }
+
+    return (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiEvNotifyDispatch
+ *
+ * PARAMETERS:  Context         - To be passed to the notify handler
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Dispatch a device notification event to a previously
+ *              installed handler.
+ *
+ ******************************************************************************/
+
+static void ACPI_SYSTEM_XFACE
+AcpiEvNotifyDispatch (
+    void                    *Context)
+{
+    ACPI_GENERIC_STATE      *Info = (ACPI_GENERIC_STATE *) Context;
+    ACPI_OPERAND_OBJECT     *HandlerObj;
+
+
+    ACPI_FUNCTION_ENTRY ();
+
+
+    /* Invoke a global notify handler if installed */
+
+    if (Info->Notify.Global->Handler)
+    {
+        Info->Notify.Global->Handler (Info->Notify.Node,
+            Info->Notify.Value,
+            Info->Notify.Global->Context);
+    }
+
+    /* Now invoke the local notify handler(s) if any are installed */
+
+    HandlerObj = Info->Notify.HandlerListHead;
+    while (HandlerObj)
+    {
+        HandlerObj->Notify.Handler (Info->Notify.Node,
+            Info->Notify.Value,
+            HandlerObj->Notify.Context);
+
+        HandlerObj = HandlerObj->Notify.Next[Info->Notify.HandlerListId];
+    }
+
+    /* All done with the info object */
+
+    AcpiUtDeleteGenericState (Info);
+}
+
+
+#if (!ACPI_REDUCED_HARDWARE)
+/******************************************************************************
+ *
+ * FUNCTION:    AcpiEvTerminate
+ *
+ * PARAMETERS:  none
+ *
+ * RETURN:      none
+ *
+ * DESCRIPTION: Disable events and free memory allocated for table storage.
+ *
+ ******************************************************************************/
+
+void
+AcpiEvTerminate (
+    void)
+{
+    UINT32                  i;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE (EvTerminate);
+
+
+    if (AcpiGbl_EventsInitialized)
+    {
+        /*
+         * Disable all event-related functionality. In all cases, on error,
+         * print a message but obviously we don't abort.
+         */
+
+        /* Disable all fixed events */
+
+        for (i = 0; i < ACPI_NUM_FIXED_EVENTS; i++)
+        {
+            Status = AcpiDisableEvent (i, 0);
+            if (ACPI_FAILURE (Status))
+            {
+                ACPI_ERROR ((AE_INFO,
+                    "Could not disable fixed event %u", (UINT32) i));
+            }
+        }
+
+        /* Disable all GPEs in all GPE blocks */
+
+        Status = AcpiEvWalkGpeList (AcpiHwDisableGpeBlock, NULL);
+
+        /* Remove SCI handler */
+
+        Status = AcpiEvRemoveSciHandler ();
+        if (ACPI_FAILURE(Status))
+        {
+            ACPI_ERROR ((AE_INFO,
+                "Could not remove SCI handler"));
+        }
+
+        Status = AcpiEvRemoveGlobalLockHandler ();
+        if (ACPI_FAILURE(Status))
+        {
+            ACPI_ERROR ((AE_INFO,
+                "Could not remove Global Lock handler"));
+        }
+
+        AcpiGbl_EventsInitialized = FALSE;
+    }
+
+    /* Deallocate all handler objects installed within GPE info structs */
+
+    Status = AcpiEvWalkGpeList (AcpiEvDeleteGpeHandlers, NULL);
+
+    /* Return to original mode if necessary */
+
+    if (AcpiGbl_OriginalMode == ACPI_SYS_MODE_LEGACY)
+    {
+        Status = AcpiDisable ();
+        if (ACPI_FAILURE (Status))
+        {
+            ACPI_WARNING ((AE_INFO, "AcpiDisable failed"));
+        }
+    }
+    return_VOID;
+}
+
+#endif /* !ACPI_REDUCED_HARDWARE */