Merge ACPICA 20120215.

1 files changed, 380 insertions, 0 deletions

diff --git a/sys/contrib/dev/acpica/components/utilities/utids.c b/sys/contrib/dev/acpica/components/utilities/utids.c
new file mode 100644
index 0000000..5d5c8d3
--- /dev/null
+++ b/sys/contrib/dev/acpica/components/utilities/utids.c
@@ -0,0 +1,380 @@
+/******************************************************************************
+ *
+ * Module Name: utids - support for device IDs - HID, UID, CID
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2012, 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.
+ */
+
+#define __UTIDS_C__
+
+#include <contrib/dev/acpica/include/acpi.h>
+#include <contrib/dev/acpica/include/accommon.h>
+#include <contrib/dev/acpica/include/acinterp.h>
+
+
+#define _COMPONENT          ACPI_UTILITIES
+        ACPI_MODULE_NAME    ("utids")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtExecute_HID
+ *
+ * PARAMETERS:  DeviceNode          - Node for the device
+ *              ReturnId            - Where the string HID is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Executes the _HID control method that returns the hardware
+ *              ID of the device. The HID is either an 32-bit encoded EISAID
+ *              Integer or a String. A string is always returned. An EISAID
+ *              is converted to a string.
+ *
+ *              NOTE: Internal function, no parameter validation
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtExecute_HID (
+    ACPI_NAMESPACE_NODE     *DeviceNode,
+    ACPI_DEVICE_ID          **ReturnId)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_DEVICE_ID          *Hid;
+    UINT32                  Length;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE (UtExecute_HID);
+
+
+    Status = AcpiUtEvaluateObject (DeviceNode, METHOD_NAME__HID,
+                ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING, &ObjDesc);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Get the size of the String to be returned, includes null terminator */
+
+    if (ObjDesc->Common.Type == ACPI_TYPE_INTEGER)
+    {
+        Length = ACPI_EISAID_STRING_SIZE;
+    }
+    else
+    {
+        Length = ObjDesc->String.Length + 1;
+    }
+
+    /* Allocate a buffer for the HID */
+
+    Hid = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_DEVICE_ID) + (ACPI_SIZE) Length);
+    if (!Hid)
+    {
+        Status = AE_NO_MEMORY;
+        goto Cleanup;
+    }
+
+    /* Area for the string starts after DEVICE_ID struct */
+
+    Hid->String = ACPI_ADD_PTR (char, Hid, sizeof (ACPI_DEVICE_ID));
+
+    /* Convert EISAID to a string or simply copy existing string */
+
+    if (ObjDesc->Common.Type == ACPI_TYPE_INTEGER)
+    {
+        AcpiExEisaIdToString (Hid->String, ObjDesc->Integer.Value);
+    }
+    else
+    {
+        ACPI_STRCPY (Hid->String, ObjDesc->String.Pointer);
+    }
+
+    Hid->Length = Length;
+    *ReturnId = Hid;
+
+
+Cleanup:
+
+    /* On exit, we must delete the return object */
+
+    AcpiUtRemoveReference (ObjDesc);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtExecute_UID
+ *
+ * PARAMETERS:  DeviceNode          - Node for the device
+ *              ReturnId            - Where the string UID is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Executes the _UID control method that returns the unique
+ *              ID of the device. The UID is either a 64-bit Integer (NOT an
+ *              EISAID) or a string. Always returns a string. A 64-bit integer
+ *              is converted to a decimal string.
+ *
+ *              NOTE: Internal function, no parameter validation
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtExecute_UID (
+    ACPI_NAMESPACE_NODE     *DeviceNode,
+    ACPI_DEVICE_ID          **ReturnId)
+{
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_DEVICE_ID          *Uid;
+    UINT32                  Length;
+    ACPI_STATUS             Status;
+
+
+    ACPI_FUNCTION_TRACE (UtExecute_UID);
+
+
+    Status = AcpiUtEvaluateObject (DeviceNode, METHOD_NAME__UID,
+                ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING, &ObjDesc);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /* Get the size of the String to be returned, includes null terminator */
+
+    if (ObjDesc->Common.Type == ACPI_TYPE_INTEGER)
+    {
+        Length = ACPI_MAX64_DECIMAL_DIGITS + 1;
+    }
+    else
+    {
+        Length = ObjDesc->String.Length + 1;
+    }
+
+    /* Allocate a buffer for the UID */
+
+    Uid = ACPI_ALLOCATE_ZEROED (sizeof (ACPI_DEVICE_ID) + (ACPI_SIZE) Length);
+    if (!Uid)
+    {
+        Status = AE_NO_MEMORY;
+        goto Cleanup;
+    }
+
+    /* Area for the string starts after DEVICE_ID struct */
+
+    Uid->String = ACPI_ADD_PTR (char, Uid, sizeof (ACPI_DEVICE_ID));
+
+    /* Convert an Integer to string, or just copy an existing string */
+
+    if (ObjDesc->Common.Type == ACPI_TYPE_INTEGER)
+    {
+        AcpiExIntegerToString (Uid->String, ObjDesc->Integer.Value);
+    }
+    else
+    {
+        ACPI_STRCPY (Uid->String, ObjDesc->String.Pointer);
+    }
+
+    Uid->Length = Length;
+    *ReturnId = Uid;
+
+
+Cleanup:
+
+    /* On exit, we must delete the return object */
+
+    AcpiUtRemoveReference (ObjDesc);
+    return_ACPI_STATUS (Status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    AcpiUtExecute_CID
+ *
+ * PARAMETERS:  DeviceNode          - Node for the device
+ *              ReturnCidList       - Where the CID list is returned
+ *
+ * RETURN:      Status, list of CID strings
+ *
+ * DESCRIPTION: Executes the _CID control method that returns one or more
+ *              compatible hardware IDs for the device.
+ *
+ *              NOTE: Internal function, no parameter validation
+ *
+ * A _CID method can return either a single compatible ID or a package of
+ * compatible IDs. Each compatible ID can be one of the following:
+ * 1) Integer (32 bit compressed EISA ID) or
+ * 2) String (PCI ID format, e.g. "PCI\VEN_vvvv&DEV_dddd&SUBSYS_ssssssss")
+ *
+ * The Integer CIDs are converted to string format by this function.
+ *
+ ******************************************************************************/
+
+ACPI_STATUS
+AcpiUtExecute_CID (
+    ACPI_NAMESPACE_NODE     *DeviceNode,
+    ACPI_DEVICE_ID_LIST     **ReturnCidList)
+{
+    ACPI_OPERAND_OBJECT     **CidObjects;
+    ACPI_OPERAND_OBJECT     *ObjDesc;
+    ACPI_DEVICE_ID_LIST     *CidList;
+    char                    *NextIdString;
+    UINT32                  StringAreaSize;
+    UINT32                  Length;
+    UINT32                  CidListSize;
+    ACPI_STATUS             Status;
+    UINT32                  Count;
+    UINT32                  i;
+
+
+    ACPI_FUNCTION_TRACE (UtExecute_CID);
+
+
+    /* Evaluate the _CID method for this device */
+
+    Status = AcpiUtEvaluateObject (DeviceNode, METHOD_NAME__CID,
+                ACPI_BTYPE_INTEGER | ACPI_BTYPE_STRING | ACPI_BTYPE_PACKAGE,
+                &ObjDesc);
+    if (ACPI_FAILURE (Status))
+    {
+        return_ACPI_STATUS (Status);
+    }
+
+    /*
+     * Get the count and size of the returned _CIDs. _CID can return either
+     * a Package of Integers/Strings or a single Integer or String.
+     * Note: This section also validates that all CID elements are of the
+     * correct type (Integer or String).
+     */
+    if (ObjDesc->Common.Type == ACPI_TYPE_PACKAGE)
+    {
+        Count = ObjDesc->Package.Count;
+        CidObjects = ObjDesc->Package.Elements;
+    }
+    else /* Single Integer or String CID */
+    {
+        Count = 1;
+        CidObjects = &ObjDesc;
+    }
+
+    StringAreaSize = 0;
+    for (i = 0; i < Count; i++)
+    {
+        /* String lengths include null terminator */
+
+        switch (CidObjects[i]->Common.Type)
+        {
+        case ACPI_TYPE_INTEGER:
+            StringAreaSize += ACPI_EISAID_STRING_SIZE;
+            break;
+
+        case ACPI_TYPE_STRING:
+            StringAreaSize += CidObjects[i]->String.Length + 1;
+            break;
+
+        default:
+            Status = AE_TYPE;
+            goto Cleanup;
+        }
+    }
+
+    /*
+     * Now that we know the length of the CIDs, allocate return buffer:
+     * 1) Size of the base structure +
+     * 2) Size of the CID DEVICE_ID array +
+     * 3) Size of the actual CID strings
+     */
+    CidListSize = sizeof (ACPI_DEVICE_ID_LIST) +
+        ((Count - 1) * sizeof (ACPI_DEVICE_ID)) +
+        StringAreaSize;
+
+    CidList = ACPI_ALLOCATE_ZEROED (CidListSize);
+    if (!CidList)
+    {
+        Status = AE_NO_MEMORY;
+        goto Cleanup;
+    }
+
+    /* Area for CID strings starts after the CID DEVICE_ID array */
+
+    NextIdString = ACPI_CAST_PTR (char, CidList->Ids) +
+        ((ACPI_SIZE) Count * sizeof (ACPI_DEVICE_ID));
+
+    /* Copy/convert the CIDs to the return buffer */
+
+    for (i = 0; i < Count; i++)
+    {
+        if (CidObjects[i]->Common.Type == ACPI_TYPE_INTEGER)
+        {
+            /* Convert the Integer (EISAID) CID to a string */
+
+            AcpiExEisaIdToString (NextIdString, CidObjects[i]->Integer.Value);
+            Length = ACPI_EISAID_STRING_SIZE;
+        }
+        else /* ACPI_TYPE_STRING */
+        {
+            /* Copy the String CID from the returned object */
+
+            ACPI_STRCPY (NextIdString, CidObjects[i]->String.Pointer);
+            Length = CidObjects[i]->String.Length + 1;
+        }
+
+        CidList->Ids[i].String = NextIdString;
+        CidList->Ids[i].Length = Length;
+        NextIdString += Length;
+    }
+
+    /* Finish the CID list */
+
+    CidList->Count = Count;
+    CidList->ListSize = CidListSize;
+    *ReturnCidList = CidList;
+
+
+Cleanup:
+
+    /* On exit, we must delete the _CID return object */
+
+    AcpiUtRemoveReference (ObjDesc);
+    return_ACPI_STATUS (Status);
+}
+