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authorraywu <raywu0301@gmail.com>2018-06-15 00:00:50 +0800
committerraywu <raywu0301@gmail.com>2018-06-15 00:00:50 +0800
commitb7c51c9cf4864df6aabb99a1ae843becd577237c (patch)
treeeebe9b0d0ca03062955223097e57da84dd618b9a /ReferenceCode/Chipset/LynxPoint/AcpiTables/Dsdt/UsbSbd.asl
downloadzprj-master.tar.xz
init. 1AQQW051HEADmaster
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+/************************************************************************;
+;* *;
+;* Intel Confidential *;
+;* *;
+;* Intel Corporation - ACPI Reference Code for the Haswell *;
+;* Family of Customer Reference Boards. *;
+;* *;
+;* MPG-MSAE *;
+;* *;
+;* Copyright (c) 1999-2011 Intel Corporation. *;
+;* *;
+;* This program has been developed by Intel Corporation. *;
+;* Licensee has Intel's permission to incorporate this source code *;
+;* into their product, royalty free. This source code may NOT be *;
+;* redistributed to anyone without Intel's written permission. *;
+;* *;
+;* Intel specifically disclaims all warranties, express or *;
+;* implied, and all liability, including consequential and other *;
+;* indirect damages, for the use of this code, including liability *;
+;* for infringement of any proprietary rights, and including the *;
+;* warranties of merchantability and fitness for a particular *;
+;* purpose. Intel does not assume any responsibility for any *;
+;* errors which may appear in this code nor any responsibility to *;
+;* update it. *;
+;* *;
+;* Version: See README.TXT *;
+;* *;
+;************************************************************************/
+/*++
+ This file contains an 'Intel Peripheral Driver' and is
+ licensed for Intel CPUs and chipsets under the terms of your
+ license agreement with Intel or your vendor. This file may
+ be modified by the user, subject to additional terms of the
+ license agreement
+--*/
+
+//
+// _DSM : Device Specific Method supporting USB Sideband Deferring function
+//
+// Arg0: UUID Unique function identifier
+// Arg1: Integer Revision Level
+// Arg2: Integer Function Index
+// Arg3: Package Parameters
+//
+Method (_DSM, 4, Serialized, 0, UnknownObj, {BuffObj, IntObj, IntObj, PkgObj})
+{
+
+ If (LEqual(Arg0, ToUUID ("A5FC708F-8775-4BA6-BD0C-BA90A1EC72F8")))
+ {
+ //
+ // Switch by function index
+ //
+ Switch (ToInteger(Arg2))
+ {
+ //
+ // Standard query - A bitmask of functions supported
+ // Supports function 0-2
+ //
+ Case (0)
+ {
+ if (LEqual(Arg1, 1)){ // test Arg1 for the revision
+ Return (Buffer () {0x07})
+ } else {
+ Return (Buffer () {0})
+ }
+ }
+ //
+ // USB Sideband Deferring Support
+ // 0: USB Sideband Deferring not supported on this device
+ // 1: USB Sideband Deferring supported
+ //
+ Case (1)
+ {
+ if (LEqual(SDGV,0xFF)){ // check for valid GPE vector
+ Return (0)
+ } else {
+ Return (1)
+ }
+ }
+ //
+ // GPE Vector
+ // Return the bit offset within the GPE block of the GPIO (HOST_ALERT) driven by this device
+ //
+ Case (2)
+ {
+ Return (SDGV)
+ }
+ }
+ }
+
+ Return (0)
+}