PrmPkg/PrmSsdtInstallDxe: Update PRMT Device CID to PNP0C02.

[mirror_edk2.git] / PrmPkg / PrmSsdtInstallDxe / Prm.asl

/** @file\r
  The definition block in ACPI table for PRM Operation Region\r
\r
  Copyright (c) 2020-2021, Intel Corporation. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
**/\r
\r
DefinitionBlock (\r
    "Prm.aml",\r
    "SSDT",\r
    2,\r
    "OEMID ",\r
    "PRMOPREG",\r
    0x1000\r
    )\r
{\r
    Scope (\_SB)\r
    {\r
        //\r
        // PRM Test Device\r
        //\r
        Device (PRMT)\r
        {\r
            Name (_HID, "80860223")\r
            Name (_CID, EisaId ("PNP0C02"))\r
            Name (_DDN, "PRM Test Device")\r
\r
            //PRM operation region format\r
            OperationRegion (PRMR, PlatformRtMechanism, 0, 1)\r
            Field (PRMR, BufferAcc, NoLock, Preserve) //Make it ByteAcc for parameter validation\r
            {\r
                PRMF, 8\r
            }\r
\r
            /*\r
            * Control method to invoke PRM OperationRegion handler\r
            * Arg0 contains a buffer representing a _DSM GUID\r
            */\r
            Method (RUNS, 1)\r
            {\r
                /* Local0 is the PRM data buffer */\r
                Local0 = buffer (26){}\r
\r
                /* Create byte fields over the buffer */\r
                CreateByteField (Local0, 0x0, PSTA)\r
                CreateQWordField (Local0, 0x1, USTA)\r
                CreateByteField (Local0, 0x9, CMD)\r
                CreateField (Local0, 0x50, 0x80, GUID)\r
\r
                /* Fill in the command and data fields of the data buffer */\r
                CMD = 0 // run command\r
                GUID = Arg0\r
\r
                /* Invoke PRM OperationRegion Handler and store the result into Local0 */\r
                Local0 = (PRMF = Local0)\r
\r
                /* Return status */\r
                Return (PSTA)\r
            }\r
\r
            /*\r
            * Control method to lock a PRM transaction\r
            * Arg0 contains a buffer representing a _DSM GUID\r
            */\r
            Method (LCKH, 1)\r
            {\r
                /* Local0 is the PRM data buffer */\r
                Local0 = buffer (26){}\r
\r
                /* Create byte fields over the buffer */\r
                CreateByteField (Local0, 0x0, STAT)\r
                CreateByteField (Local0, 0x9, CMD)\r
                CreateField (Local0, 0x50, 0x80, GUID)\r
                CMD = 1 // Lock command\r
                GUID = Arg0\r
                Local0 = (PRMF = Local0)\r
\r
                /* Note STAT contains the return status */\r
                Return (STAT)\r
            }\r
\r
            /*\r
            * Control method to unlock a PRM transaction\r
            * Arg0 contains a buffer representing a _DSM GUID\r
            */\r
            Method (ULCK, 1)\r
            {\r
                /* Local0 is the PRM data buffer */\r
                Local0 = buffer (26){}\r
\r
                /* Create byte fields over the buffer */\r
                CreateByteField (Local0, 0x0, STAT)\r
                CreateByteField (Local0, 0x9, CMD)\r
                CreateField (Local0, 0x50, 0x80, GUID)\r
                CMD = 2 // Unlock command\r
                GUID = Arg0\r
                Local0 = (PRMF = Local0)\r
\r
               /* Note STAT contains the return status */\r
                Return (STAT)\r
            }\r
\r
            /*\r
            *Bit [0] Set if the device is present.\r
            *Bit [1] Set if the device is enabled and decoding its resources.\r
            *Bit [2] Set if the device should be shown in the UI.\r
            *Bit [3] Set if the device is functioning properly (cleared if device failed its diagnostics).\r
            */\r
            Method (_STA, 0, NotSerialized)\r
            {\r
                Return (0x0B) // Device present, but not shown\r
            }\r
        }\r
    }\r
}\r