120 lines
3.0 KiB
Plaintext
120 lines
3.0 KiB
Plaintext
/** @file
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;******************************************************************************
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;* Copyright (c) 2018 - 2021, Insyde Software Corp. All Rights Reserved.
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;*
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;* You may not reproduce, distribute, publish, display, perform, modify, adapt,
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;* transmit, broadcast, present, recite, release, license or otherwise exploit
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;* any part of this publication in any form, by any means, without the prior
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;* written permission of Insyde Software Corporation.
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;*
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;******************************************************************************
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*/
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Scope (DGPU_SCOPE)
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{
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// OperationRegion (PCAP, PCI_Config, EECP, 0x14)
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// Field (PCAP, DWordAcc, NoLock, Preserve)
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// {
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// Offset (0xC), // Offset (12),
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// , 4,
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// EMLW, 6,
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// Offset (0x10), // Offset (16),
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// LCTL, 16
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// }
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#if !FeaturePcdGet (PcdHgNvidiaDdsFeatureSupport)
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//
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// dGPU just output to HDMI in Optimus HW artchetecture
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//
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Method (_DOD, 0, NotSerialized)
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{
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Return (Package(0x01) {ACPI_ID_HDMI})
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}
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#endif
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Method (MXMX, 1, Serialized)
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{
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If (LEqual (Arg0, Zero))
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{
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// Acquire DDC/AUX mux
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// No mutex implemented. No need to acquire mutex.
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// Set mux to dGPU
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P8XH (One, 0x99)
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P8XH (Zero, Zero)
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Return (One)
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}
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If (LEqual (Arg0, One))
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{
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// Release DDC/AUX mux
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// No mutex implemented. No need to release mutex.
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// 2-way mux. Hence no need to do anything
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P8XH (One, 0x99)
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P8XH (Zero, one)
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Return (One)
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}
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If (LEqual (Arg0, 0x02))
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{
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P8XH (One, 0x99)
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P8XH (Zero, 0x02)
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// Get ddc/aux mux status for dGPU
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}
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Return (Zero)
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}
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Method (MXDS, 1, Serialized)
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{
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If (LEqual (Arg0, Zero))
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{
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// Get display mux status for dGPU
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}
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If (LEqual (Arg0, One))
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{
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// Set display mux to dGPU
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}
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Return (Zero)
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}
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Method (MXM, 4, Serialized)
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{
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Switch (ToInteger (Arg2))
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{
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//
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// Function 0: MXM_FUNC_MXSS
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//
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case (MXM_FUNC_MXSS)
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{
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// Sub-Functions 0,16,24 are supported
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Return (ToBuffer (0x01010001))
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}
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//
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// Function 16: MXM_FUNC_MXMS
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//
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case (MXM_FUNC_MXMS)
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{
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If (LEqual (Arg1, 0x300))
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{
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If (LNotEqual (MXBS, 0))
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{
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Name (MXM3, Buffer(MXBS) {0x00})
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Store (MXMB, MXM3)
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Return (MXM3)
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}
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}
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}
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//
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// Function 24: MXM_FUNC_MXMI
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//
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case (MXM_FUNC_MXMI)
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{
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Return (ToBuffer (0x30))
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}
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}
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}
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} |