mirror of https://github.com/acidanthera/audk.git
PrmPkg: Update PRM OpRegion
1. Enable new PRM OpRegion structure 2. Add PRM Handler Update Lock/Unlock support Cc: Andrew Fish <afish@apple.com> Cc: Kang Gao <kang.gao@intel.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Cc: Michael Kubacki <michael.kubacki@microsoft.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Benjamin You <benjamin.you@intel.com> Cc: Liu Yun <yun.y.liu@intel.com> Cc: Ankit Sinha <ankit.sinha@intel.com> Cc: Nate DeSimone <nathaniel.l.desimone@intel.com> Signed-off-by: Liu Yun <yun.y.liu@intel.com> Acked-by: Michael D Kinney <michael.d.kinney@intel.com> Acked-by: Liming Gao <gaoliming@byosoft.com.cn> Acked-by: Leif Lindholm <quic_llindhol@quicinc.com> Reviewed-by: Ankit Sinha <ankit.sinha@intel.com>
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Liu Yun Y
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@ -1,7 +1,7 @@
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/** @file
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The definition block in ACPI table for PRM Operation Region
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Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2020-2021, 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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@ -16,60 +16,105 @@ DefinitionBlock (
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{
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Scope (\_SB)
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{
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//
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// PRM Bridge Device
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//
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Device (PRMB)
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{
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Name (_HID, "80860222")
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Name (_CID, "80860222")
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Name (_DDN, "PRM Bridge Device")
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Name (_STA, 0xF)
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OperationRegion (OPR1, 0x80, 0, 16)
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Field (OPR1, DWordAcc, NoLock, Preserve) //Make it ByteAcc for parameter validation
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{
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Var0, 128
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}
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Method (SETV, 1, Serialized)
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{
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CopyObject (Arg0, \_SB.PRMB.Var0)
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}
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}
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//
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// PRM Test Device
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//
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Device (PRMT)
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{
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Name (_HID, "80860223")
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Name (_CID, "80860223")
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Name (_DDN, "PRM Test Device")
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Name (_STA, 0xF)
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Name (BUF1, Buffer(16)
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// PrmSamplePrintModule handler GUIDs
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Name (BUF1, ToUUID("d5f2ad5f-a347-4d3e-87bc-c2ce63029cc8"))
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Name (BUF2, ToUUID("a9e7adc3-8cd0-429a-8915-10946ebde318"))
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Name (BUFN, ToUUID("b688c214-4081-4eeb-8d26-1eb5a3bcf11a"))
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//PRM operation region format
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OperationRegion (PRMR, PlatformRtMechanism, 0, 1)
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Field (PRMR, BufferAcc, NoLock, Preserve) //Make it ByteAcc for parameter validation
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{
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0x5F, 0xAD, 0xF2, 0xD5, 0x47, 0xA3, 0x3E, 0x4D, //Guid_0
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0x87, 0xBC, 0xC2, 0xCE, 0x63, 0x02, 0x9C, 0xC8, //Guid_1
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})
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Name (BUF2, Buffer(16)
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PRMF, 8
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}
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/*
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* Control method to invoke PRM OperationRegion handler
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* Arg0 contains a buffer representing a _DSM GUID
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*/
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Method (RUNS, 1)
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{
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0xC3, 0xAD, 0xE7, 0xA9, 0xD0, 0x8C, 0x9A, 0x42, //Guid_0
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0x89, 0x15, 0x10, 0x94, 0x6E, 0xBD, 0xE3, 0x18, //Guid_1
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})
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Name (BUF3, Buffer(16)
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/* Local0 is the PRM data buffer */
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Local0 = buffer (26){}
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/* Create byte fields over the buffer */
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CreateByteField (Local0, 0x0, PSTA)
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CreateQWordField (Local0, 0x1, USTA)
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CreateByteField (Local0, 0x9, CMD)
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CreateField (Local0, 0x50, 0x80, GUID)
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/* Fill in the command and data fields of the data buffer */
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CMD = 0 // run command
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GUID = Arg0
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/* Invoke PRM OperationRegion Handler and store the result into Local0 */
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Local0 = (PRMF = Local0)
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/* Return status */
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Return (PSTA)
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}
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/*
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* Control method to lock a PRM transaction
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* Arg0 contains a buffer representing a _DSM GUID
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*/
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Method (LCKH, 1)
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{
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0x14, 0xC2, 0x88, 0xB6, 0x81, 0x40, 0xEB, 0x4E, //Guid_0
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0x8D, 0x26, 0x1E, 0xB5, 0xA3, 0xBC, 0xF1, 0x1A, //Guid_1
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})
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Method (NTST)
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/* Local0 is the PRM data buffer */
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Local0 = buffer (26){}
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/* Create byte fields over the buffer */
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CreateByteField (Local0, 0x0, STAT)
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CreateByteField (Local0, 0x9, CMD)
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CreateField (Local0, 0x50, 0x80, GUID)
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CMD = 1 // Lock command
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GUID = Arg0
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Local0 = (PRMF = Local0)
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/* Note STAT contains the return status */
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Return (STAT)
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}
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/*
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* Control method to unlock a PRM transaction
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* Arg0 contains a buffer representing a _DSM GUID
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*/
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Method (ULCK, 1)
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{
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\_SB.PRMB.SETV (BUF1)
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/* Local0 is the PRM data buffer */
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Local0 = buffer (26){}
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/* Create byte fields over the buffer */
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CreateByteField (Local0, 0x0, STAT)
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CreateByteField (Local0, 0x9, CMD)
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CreateField (Local0, 0x50, 0x80, GUID)
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CMD = 2 // Unlock command
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GUID = Arg0
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Local0 = (PRMF = Local0)
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/* Note STAT contains the return status */
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Return (STAT)
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}
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/*
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*Bit [0] Set if the device is present.
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*Bit [1] Set if the device is enabled and decoding its resources.
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*Bit [2] Set if the device should be shown in the UI.
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*Bit [3] Set if the device is functioning properly (cleared if device failed its diagnostics).
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*/
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Method (_STA, 0, NotSerialized)
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{
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Return (0x0B) // Device present, but not shown
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}
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}
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}
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} // End of Definition Block
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}
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