268 lines
10 KiB
Plaintext
268 lines
10 KiB
Plaintext
/** @file
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;******************************************************************************
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;* Copyright (c) 2020 - 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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/*
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== Readme ==
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For Advanced Optimus aka. Dynamic Display Switching (DDS) support, doc ID: DA-09546-001. SBIOS has to adjust below code to meet platform:
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- MUX_MODE_PIN: PCH GPIO for display switch Mux
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- LCD_FORCE_RESET_PIN: PCH GPIO for LCD force reset pin
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- DIS_MODE_FLAG: ACPI flag reflect to SBIOS option. 0: Error, (hidden in SBIOS menu)
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1: Integrated, (hidden in SBIOS menu. For debug only: dGPU disabled, switch the eDP MUX to iGPU)
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2: Discrete, (iGPU disabled, switch the eDP MUX to dGPU)
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3: MSHybrid, (traditional SG mode. Expose only if platform does not support Dynamin mode)
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4: Dynamic (default, switch the eDP MUX to iGPU)
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- PWM_BL_FLAG: SBIOS/EC flag reflect to the PWM source for current backlight level
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- PWM_MAX_BL_FLAG: SBIOS/EC flag reflect to the PWM source for max backlight level
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- PWM_BL_SOURCE_FLAG: SBIOS/EC flag reflect to the PWM source. 0: Invalid brightness source,
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1: GPU PWM (either iGPU or dGPU),
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2: SBIOS/EC PWM,
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3: Panel (PWM over AUX or HDR)
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- The _DDC of LCD0 should be presented for dGPU/Dyanmic mode
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*/
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Scope (DGPU_SCOPE)
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{
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/*
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* The internal compatible part ID shall be provided by NVIDIA
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* Compliant Mux device listed in the NVIDIA Advanced Optimus
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* (Dynamic Display Switching) Recommended Vendors List document (RVL-09552-001)
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* For example, Parade Mux PS8461E value should be 0x10003
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*/
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Name (MMID, Package(2)
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{
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Package(3) {Zero, "PS8461E", 0x00010003},
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Package(3) {One, "NON-MUX or Error", Zero}
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})
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Method(_DOD, 0, NotSerialized)
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{
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Return(Package(1) {0x8000A450}) //OEM_customize: _DOD for eDP
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}
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//
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// Operation region for SMI port access
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//
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OperationRegion (SMIP, SystemIO, 0xB2, 1)
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Field (SMIP, ByteAcc, NoLock, Preserve)
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{
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IOB2, 8
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}
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Device (LCD0) // Declare the eDP from GPU, make sure it's not duplicated
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{
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Method (_ADR, 0, Serialized)
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{
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Return (0x8000A450) // OEM_customize: _ADR for eDP
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}
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Method (_DDC, 1, Serialized)
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{
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// Return (\_SB.HDDC (Arg0)) // OEM_customize: return internal panel EDID
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// Mandatory EDID read and cache in _DDC.
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// And SBIOS should not alter EDID data captured
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// from panel to avoid DDS function invalid
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}
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Method (MXDS, 1, NotSerialized)
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{
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Store (Arg0, Local0)
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And (Local0, 0x0F, Local1)
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And (Local0, 0x10, Local2)
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If (LEqual (Local1, Zero)) // Get Mux State Input Format
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{
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If (LEqual (\_SB.GGOV (DMMP), Zero)) // DMMP = MUX_MODE_PIN
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{
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Return (One) // Return: Mux switched to iGPU
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}
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Else
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{
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Return (0x02) // Return: Mux switched to dGPU
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}
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}
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Else
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{
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If (LEqual (Local1, One)) // Set Mux State Input Format
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{
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If (LEqual (Local2, 0x10))
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{
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\_SB.SGOV (DMMP, One) // Switch Mux to dGPU
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}
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Else
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{
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\_SB.SGOV (DMMP, Zero) // Switch Mux to iGPU
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}
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Return (One) // Return Success
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}
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Else
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{
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Return (Zero) // Return Failure
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}
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}
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}
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Method (MXDM, 1, NotSerialized)
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{
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Store (Arg0, Local0)
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And (Local0, 0x07, Local1)
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If (LEqual (Local1, Zero)) // Get Mux State Operation
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{
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Store (DISM, Local2) // DISM = DIS_MODE_FLAG, Return: MUX mode for this display device
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Return (Local2)
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}
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Else
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{
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If (LLess (Local1, 0x05)) // Set Mux Mode Input Format
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{
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Store (Local1, DISM)
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Store (0x7C, IOB2)
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}
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Else
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{
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Return (Zero) // Return Failure
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}
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}
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Return (One) // Return Success
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}
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Method (MXID, 1, NotSerialized)
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{
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If (LEqual (Arg0, Zero)) // Get Mux ID Input Format
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{
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Store (DerefOf (Index (DerefOf (Index (MMID, Zero)), 0x02)), Local0)
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Return (Local0)
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}
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}
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Method (LRST, 1, NotSerialized)
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{
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Store (Arg0, Local0)
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And (Local0, 0x07, Local1)
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If (LEqual (Local1, Zero)) // Get LCD force reset state Operation
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{
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If (LEqual (\_SB.GGOV (DLRP), Zero)) // DLRP = LCD_FORCE_RESET_PIN
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{
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Return (One) // Set to LOW
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}
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Else
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{
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If (LEqual (\_SB.GGOV (DLRP), One))
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{
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Return (0x02) // Set to HIGH
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}
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Else
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{
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Return (Zero) // Return Error
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}
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}
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}
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Else
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{
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If (LEqual (Local1, One)) // Force LCD reset to LOW
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{
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\_SB.SGOV (DLRP, Zero) // DLRP = LCD_FORCE_RESET_PIN
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}
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Else
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{
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If (LEqual (Local1, 0x02)) // Force LCD reset to HIGH
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{
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\_SB.SGOV (DLRP, One)
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}
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Else
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{
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Return (Zero) // Return Error
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}
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}
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}
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}
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}
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}
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Scope (PCI_SCOPE)
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{
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Device (AWMI)
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{
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Name (_HID, "PNP0C14")
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Name (_UID, "0x00")
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Name (_WDG, Buffer(0x28)
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{
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0x13, 0x96, 0x3E, 0x60, 0x25, 0xEF, 0x38, 0x43,
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0xA3, 0xD0, 0xC4, 0x61, 0x77, 0x51, 0x6D, 0xB7,
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0x41, 0x41, 0x01, 0x02, 0x21, 0x12, 0x90, 0x05,
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0x66, 0xD5, 0xD1, 0x11, 0xB2, 0xF0, 0x00, 0xA0,
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0xC9, 0x06, 0x29, 0x10, 0x30, 0x30, 0x01, 0x00
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})
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Method (WMAA, 3, Serialized)
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{
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Name (TEMP, Zero)
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CreateByteField (Arg2, Zero, MODF)
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CreateDWordField (Arg2, 0x04, LEDB)
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While (One)
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{
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Store (Arg1, TEMP)
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If (LEqual (TEMP, One)) // Get/Set Current PWM Brightness
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{
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If (LEqual (MODF, Zero)) // Get Current Backlight Level
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{
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// Return (PWM_BL_FLAG) // OEM_customize
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}
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Else
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{
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If (LEqual (MODF, One)) // Set Current Backlight Level
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{
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// Store (LEDB, PWM_BL_FLAG) // OEM_customize
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Return (Zero)
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}
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Else
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{
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If (LEqual (MODF, 0x02)) // Get Max Backlight Level
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{
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// Return (PWM_MAX_BL_FLAG) // OEM_customize
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}
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Else
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{
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Return (One) // Return Failure
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}
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}
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}
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}
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Else
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{
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If (LEqual (TEMP, 0x02)) // Get/Set Display Brightness Source
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{
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If (LEqual (MODF, Zero)) // Get Current Display Brightness Source
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{
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// Return (PWM_BL_SOURCE_FLAG) // OEM_customize
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}
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Else
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{
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If (LEqual (MODF, One)) // Set/Clear Display Brightness Source Override
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{
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If (LLess (LEDB, 0x03))
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{
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// Store (LEDB, PWM_BL_SOURCE_FLAG) // OEM_customize
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Return (Zero) // Return Success
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}
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Return (One) // Return Error
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}
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Else
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{
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Return (One) // Return Error
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}
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}
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}
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Else
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{
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Return (One)
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}
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}
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Break
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}
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}
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}
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}
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