mirror of https://github.com/acidanthera/audk.git
100 lines
4.5 KiB
Plaintext
100 lines
4.5 KiB
Plaintext
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/************************************************************************************;
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;* *;
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;* *;
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;* Intel Corporation - ACPI Reference Code for the Baytrail *;
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;* Family of Customer Reference Boards. *;
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;* *;
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;* MPG-MSAE *;
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;* *;
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;* Copyright (c) 1999 - 2014, Intel Corporation. *;
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;* *;
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;* This program and the accompanying materials are licensed and made available under*;
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;* the terms and conditions of the BSD License that accompanies this distribution. *;
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;* The full text of the license may be found at *;
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;* http://opensource.org/licenses/bsd-license.php. *;
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;* *;
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;* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, *;
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;* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. *;
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;* *;
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;* *;
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;* This program has been developed by Intel Corporation. *;
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;* Licensee has Intel's permission to incorporate this source code *;
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;* into their product, royalty free. This source code may NOT be *;
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;* redistributed to anyone without Intel's written permission. *;
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;* *;
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;* Intel specifically disclaims all warranties, express or *;
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;* implied, and all liability, including consequential and other *;
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;* indirect damages, for the use of this code, including liability *;
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;* for infringement of any proprietary rights, and including the *;
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;* warranties of merchantability and fitness for a particular *;
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;* purpose. Intel does not assume any responsibility for any *;
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;* errors which may appear in this code nor any responsibility to *;
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;* update it. *;
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;* *;
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;* Version: See README.TXT *;
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;* *;
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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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{
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Return (Buffer () {0x07})
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}
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else
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{
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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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{
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Return (0)
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}
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else
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{
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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 (0)
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}
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