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diff --git a/IntelSiliconPkg/Include/IndustryStandard/IgdOpRegion.h b/IntelSiliconPkg/Include/IndustryStandard/IgdOpRegion.h
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--- a/IntelSiliconPkg/Include/IndustryStandard/IgdOpRegion.h
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-/** @file
- IGD OpRegion definition from Intel Integrated Graphics Device OpRegion
- Specification.
-
- https://01.org/sites/default/files/documentation/skl_opregion_rev0p5.pdf
-
- Copyright (c) 2016 - 2019, Intel Corporation. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-#ifndef _IGD_OPREGION_H_
-#define _IGD_OPREGION_H_
-
-#define IGD_OPREGION_HEADER_SIGN "IntelGraphicsMem"
-#define IGD_OPREGION_HEADER_MBOX1 BIT0
-#define IGD_OPREGION_HEADER_MBOX2 BIT1
-#define IGD_OPREGION_HEADER_MBOX3 BIT2
-#define IGD_OPREGION_HEADER_MBOX4 BIT3
-#define IGD_OPREGION_HEADER_MBOX5 BIT4
-
-/**
- OpRegion structures:
- Sub-structures define the different parts of the OpRegion followed by the
- main structure representing the entire OpRegion.
-
- @note These structures are packed to 1 byte offsets because the exact
- data location is required by the supporting design specification due to
- the fact that the data is used by ASL and Graphics driver code compiled
- separately.
-**/
-#pragma pack(1)
-///
-/// OpRegion Mailbox 0 Header structure. The OpRegion Header is used to
-/// identify a block of memory as the graphics driver OpRegion.
-/// Offset 0x0, Size 0x100
-///
-typedef struct {
- CHAR8 SIGN[0x10]; ///< Offset 0x00 OpRegion Signature
- UINT32 SIZE; ///< Offset 0x10 OpRegion Size
- UINT32 OVER; ///< Offset 0x14 OpRegion Structure Version
- UINT8 SVER[0x20]; ///< Offset 0x18 System BIOS Build Version
- UINT8 VVER[0x10]; ///< Offset 0x38 Video BIOS Build Version
- UINT8 GVER[0x10]; ///< Offset 0x48 Graphic Driver Build Version
- UINT32 MBOX; ///< Offset 0x58 Supported Mailboxes
- UINT32 DMOD; ///< Offset 0x5C Driver Model
- UINT32 PCON; ///< Offset 0x60 Platform Configuration
- CHAR16 DVER[0x10]; ///< Offset 0x64 GOP Version
- UINT8 RM01[0x7C]; ///< Offset 0x84 Reserved Must be zero
-} IGD_OPREGION_HEADER;
-
-///
-/// OpRegion Mailbox 1 - Public ACPI Methods
-/// Offset 0x100, Size 0x100
-///
-typedef struct {
- UINT32 DRDY; ///< Offset 0x100 Driver Readiness
- UINT32 CSTS; ///< Offset 0x104 Status
- UINT32 CEVT; ///< Offset 0x108 Current Event
- UINT8 RM11[0x14]; ///< Offset 0x10C Reserved Must be Zero
- UINT32 DIDL[8]; ///< Offset 0x120 Supported Display Devices ID List
- UINT32 CPDL[8]; ///< Offset 0x140 Currently Attached Display Devices List
- UINT32 CADL[8]; ///< Offset 0x160 Currently Active Display Devices List
- UINT32 NADL[8]; ///< Offset 0x180 Next Active Devices List
- UINT32 ASLP; ///< Offset 0x1A0 ASL Sleep Time Out
- UINT32 TIDX; ///< Offset 0x1A4 Toggle Table Index
- UINT32 CHPD; ///< Offset 0x1A8 Current Hotplug Enable Indicator
- UINT32 CLID; ///< Offset 0x1AC Current Lid State Indicator
- UINT32 CDCK; ///< Offset 0x1B0 Current Docking State Indicator
- UINT32 SXSW; ///< Offset 0x1B4 Display Switch Notification on Sx State Resume
- UINT32 EVTS; ///< Offset 0x1B8 Events supported by ASL
- UINT32 CNOT; ///< Offset 0x1BC Current OS Notification
- UINT32 NRDY; ///< Offset 0x1C0 Driver Status
- UINT8 DID2[0x1C]; ///< Offset 0x1C4 Extended Supported Devices ID List (DOD)
- UINT8 CPD2[0x1C]; ///< Offset 0x1E0 Extended Attached Display Devices List
- UINT8 RM12[4]; ///< Offset 0x1FC - 0x1FF Reserved Must be zero
-} IGD_OPREGION_MBOX1;
-
-///
-/// OpRegion Mailbox 2 - Software SCI Interface
-/// Offset 0x200, Size 0x100
-///
-typedef struct {
- UINT32 SCIC; ///< Offset 0x200 Software SCI Command / Status / Data
- UINT32 PARM; ///< Offset 0x204 Software SCI Parameters
- UINT32 DSLP; ///< Offset 0x208 Driver Sleep Time Out
- UINT8 RM21[0xF4]; ///< Offset 0x20C - 0x2FF Reserved Must be zero
-} IGD_OPREGION_MBOX2;
-
-///
-/// OpRegion Mailbox 3 - BIOS/Driver Notification - ASLE Support
-/// Offset 0x300, Size 0x100
-///
-typedef struct {
- UINT32 ARDY; ///< Offset 0x300 Driver Readiness
- UINT32 ASLC; ///< Offset 0x304 ASLE Interrupt Command / Status
- UINT32 TCHE; ///< Offset 0x308 Technology Enabled Indicator
- UINT32 ALSI; ///< Offset 0x30C Current ALS Luminance Reading
- UINT32 BCLP; ///< Offset 0x310 Requested Backlight Brightness
- UINT32 PFIT; ///< Offset 0x314 Panel Fitting State or Request
- UINT32 CBLV; ///< Offset 0x318 Current Brightness Level
- UINT16 BCLM[0x14]; ///< Offset 0x31C Backlight Brightness Levels Duty Cycle Mapping Table
- UINT32 CPFM; ///< Offset 0x344 Current Panel Fitting Mode
- UINT32 EPFM; ///< Offset 0x348 Enabled Panel Fitting Modes
- UINT8 PLUT[0x4A]; ///< Offset 0x34C Panel Look Up Table & Identifier
- UINT32 PFMB; ///< Offset 0x396 PWM Frequency and Minimum Brightness
- UINT32 CCDV; ///< Offset 0x39A Color Correction Default Values
- UINT32 PCFT; ///< Offset 0x39E Power Conservation Features
- UINT32 SROT; ///< Offset 0x3A2 Supported Rotation Angles
- UINT32 IUER; ///< Offset 0x3A6 Intel Ultrabook(TM) Event Register
- UINT64 FDSS; ///< Offset 0x3AA DSS Buffer address allocated for IFFS feature
- UINT32 FDSP; ///< Offset 0x3B2 Size of DSS buffer
- UINT32 STAT; ///< Offset 0x3B6 State Indicator
- UINT64 RVDA; ///< Offset 0x3BA Physical address of Raw VBT data. Added from Spec Version 0.90 to support VBT greater than 6KB.
- UINT32 RVDS; ///< Offset 0x3C2 Size of Raw VBT data. Added from Spec Version 0.90 to support VBT greater than 6KB.
- UINT8 RM32[0x3A]; ///< Offset 0x3C6 - 0x3FF Reserved Must be zero.
-} IGD_OPREGION_MBOX3;
-
-///
-/// OpRegion Mailbox 4 - VBT Video BIOS Table
-/// Offset 0x400, Size 0x1800
-///
-typedef struct {
- UINT8 RVBT[0x1800]; ///< Offset 0x400 - 0x1BFF Raw VBT Data
-} IGD_OPREGION_MBOX4;
-
-///
-/// OpRegion Mailbox 5 - BIOS/Driver Notification - Data storage BIOS to Driver data sync
-/// Offset 0x1C00, Size 0x400
-///
-typedef struct {
- UINT32 PHED; ///< Offset 0x1C00 Panel Header
- UINT8 BDDC[0x100]; ///< Offset 0x1C04 Panel EDID (DDC data)
- UINT8 RM51[0x2FC]; ///< Offset 0x1D04 - 0x1FFF Reserved Must be zero
-} IGD_OPREGION_MBOX5;
-
-///
-/// IGD OpRegion Structure
-///
-typedef struct {
- IGD_OPREGION_HEADER Header; ///< OpRegion header (Offset 0x0, Size 0x100)
- IGD_OPREGION_MBOX1 MBox1; ///< Mailbox 1: Public ACPI Methods (Offset 0x100, Size 0x100)
- IGD_OPREGION_MBOX2 MBox2; ///< Mailbox 2: Software SCI Interface (Offset 0x200, Size 0x100)
- IGD_OPREGION_MBOX3 MBox3; ///< Mailbox 3: BIOS to Driver Notification (Offset 0x300, Size 0x100)
- IGD_OPREGION_MBOX4 MBox4; ///< Mailbox 4: Video BIOS Table (VBT) (Offset 0x400, Size 0x1800)
- IGD_OPREGION_MBOX5 MBox5; ///< Mailbox 5: BIOS to Driver Notification Extension (Offset 0x1C00, Size 0x400)
-} IGD_OPREGION_STRUCTURE;
-#pragma pack()
-
-#endif
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