diff options
Diffstat (limited to 'Vlv2DeviceRefCodePkg/AcpiTablesPCAT/UsbSbd.asl')
| -rw-r--r-- | Vlv2DeviceRefCodePkg/AcpiTablesPCAT/UsbSbd.asl | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/Vlv2DeviceRefCodePkg/AcpiTablesPCAT/UsbSbd.asl b/Vlv2DeviceRefCodePkg/AcpiTablesPCAT/UsbSbd.asl new file mode 100644 index 0000000000..020bc97131 --- /dev/null +++ b/Vlv2DeviceRefCodePkg/AcpiTablesPCAT/UsbSbd.asl @@ -0,0 +1,99 @@ +/************************************************************************************;
+;* *;
+;* *;
+;* Intel Corporation - ACPI Reference Code for the Baytrail *;
+;* Family of Customer Reference Boards. *;
+;* *;
+;* MPG-MSAE *;
+;* *;
+;* Copyright (c) 1999 - 2014, Intel Corporation. *;
+;* *;
+;* This program and the accompanying materials are licensed and made available under*;
+;* the terms and conditions of the BSD License that accompanies this distribution. *;
+;* The full text of the license may be found at *;
+;* http://opensource.org/licenses/bsd-license.php. *;
+;* *;
+;* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, *;
+;* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. *;
+;* *;
+;* *;
+;* 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 *;
+;* *;
+;************************************************************************************/
+
+//
+// _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)
+}
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