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Diffstat (limited to 'ReferenceCode/Chipset/LynxPoint/AcpiTables/Dsdt/UsbSbd.asl')
| -rw-r--r-- | ReferenceCode/Chipset/LynxPoint/AcpiTables/Dsdt/UsbSbd.asl | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/ReferenceCode/Chipset/LynxPoint/AcpiTables/Dsdt/UsbSbd.asl b/ReferenceCode/Chipset/LynxPoint/AcpiTables/Dsdt/UsbSbd.asl new file mode 100644 index 0000000..12bcbbf --- /dev/null +++ b/ReferenceCode/Chipset/LynxPoint/AcpiTables/Dsdt/UsbSbd.asl @@ -0,0 +1,92 @@ +/************************************************************************; +;* *; +;* 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) +} |