/**@file
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Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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//
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// _DSM : Device Specific Method supporting USB Sideband Deferring function
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//
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// Arg0: UUID Unique function identifier
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// Arg1: Integer Revision Level
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// Arg2: Integer Function Index
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// Arg3: Package Parameters
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//
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Method (_DSM, 4, Serialized, 0, UnknownObj, {BuffObj, IntObj, IntObj, PkgObj})
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{
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If (LEqual(Arg0, ToUUID ("A5FC708F-8775-4BA6-BD0C-BA90A1EC72F8")))
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{
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//
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// Switch by function index
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//
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Switch (ToInteger(Arg2))
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{
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//
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// Standard query - A bitmask of functions supported
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// Supports function 0-2
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//
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Case (0)
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{
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if (LEqual(Arg1, 1)){ // test Arg1 for the revision
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Return (Buffer () {0x07})
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} else {
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Return (Buffer () {0})
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}
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}
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//
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// USB Sideband Deferring Support
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// 0: USB Sideband Deferring not supported on this device
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// 1: USB Sideband Deferring supported
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//
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Case (1)
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{
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if (LEqual(SDGV,0xFF)){ // check for valid GPE vector
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Return (0)
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} else {
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Return (1)
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}
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}
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//
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// GPE Vector
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// Return the bit offset within the GPE block of the GPIO (HOST_ALERT) driven by this device
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//
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Case (2)
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{
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Return (SDGV)
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}
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}
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}
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Return(Buffer() {0})
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}
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