/** @file IGD OpRegion definition from Intel Integrated Graphics Device OpRegion Specification based on version 3.0. Copyright (c) 2021, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent **/ #ifndef _IGD_OPREGION_3_0_H_ #define _IGD_OPREGION_3_0_H_ #include "IgdOpRegion.h" #define IGD_OPREGION_HEADER_MBOX2_VER_3_0 BIT5 #pragma pack(1) /// /// 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 obsolete UINT32 CADL[8]; ///< Offset 0x160 obsolete UINT32 NADL[8]; ///< Offset 0x180 obsolete UINT32 ASLP; ///< Offset 0x1A0 ASL Sleep Time Out UINT32 TIDX; ///< Offset 0x1A4 obsolete UINT32 CHPD; ///< Offset 0x1A8 obsolete UINT32 CLID; ///< Offset 0x1AC Current Lid State Indicator UINT32 CDCK; ///< Offset 0x1B0 Current Docking State Indicator UINT32 SXSW; ///< Offset 0x1B4 obsolete UINT32 EVTS; ///< Offset 0x1B8 obsolete UINT32 CNOT; ///< Offset 0x1BC obsolete UINT32 NRDY; ///< Offset 0x1C0 Driver Status UINT8 DID2[0x1C]; ///< Offset 0x1C4 Extended Supported Devices ID List (DOD) UINT8 CPD2[0x1C]; ///< Offset 0x1E0 obsolete UINT8 RM12[4]; ///< Offset 0x1FC - 0x1FF Reserved Must be zero } IGD_OPREGION_MBOX1_VER_3_0; /// /// OpRegion Mailbox 2 - Backlight communication /// Offset 0x200, Size 0x100 /// typedef struct { UINT32 BCL1; ///< Offset 0x200 Backlight Brightness for LFP1 UINT32 BCL2; ///< Offset 0x204 Backlight Brightness for LFP2 UINT32 CBL1; ///< Offset 0x208 Current User Brightness Level for LFP1 UINT32 CBL2; ///< Offset 0x20C Current User Brightness Level for LFP2 UINT32 BCM1[0x1E]; ///< Offset 0x210 Backlight Brightness Levels Duty Cycle Mapping Table for LFP1 UINT32 BCM2[0x1E]; ///< Offset 0x288 Backlight Brightness Levels Duty Cycle Mapping Table for LFP2 } IGD_OPREGION_MBOX2_VER_3_0; /// /// OpRegion Mailbox 3 - BIOS/Driver Notification - ASLE Support /// Offset 0x300, Size 0x100 /// typedef struct { UINT32 ARDY; ///< Offset 0x300 obsolete UINT32 ASLC; ///< Offset 0x304 obsolete UINT32 TCHE; ///< Offset 0x308 obsolete UINT32 ALSI; ///< Offset 0x30C obsolete UINT32 BCLP; ///< Offset 0x310 obsoleted in ver 3.0, moved to Mailbox 2. UINT32 PFIT; ///< Offset 0x314 obsolete UINT32 CBLV; ///< Offset 0x318 obsoleted in ver 3.0, moved to Mailbox 2. UINT16 BCLM[0x14]; ///< Offset 0x31C obsoleted in ver 3.0, moved to Mailbox 2. UINT32 CPFM; ///< Offset 0x344 obsolete UINT32 EPFM; ///< Offset 0x348 obsolete UINT8 PLUT[0x4A]; ///< Offset 0x34C obsolete UINT32 PFMB; ///< Offset 0x396 obsolete UINT32 CCDV; ///< Offset 0x39A obsolete UINT32 PCFT; ///< Offset 0x39E obsolete UINT32 SROT; ///< Offset 0x3A2 obsolete UINT32 IUER; ///< Offset 0x3A6 obsolete UINT64 FDSS; ///< Offset 0x3AA obsolete UINT32 FDSP; ///< Offset 0x3B2 obsolete UINT32 STAT; ///< Offset 0x3B6 obsolete 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 VRSR; ///< Offset 0x3C6 Video RAM Self Refresh UINT64 DLHP; ///< Offset 0x3C7 Dual LFP Hinge Alignment Parameters UINT8 RM32[0x31]; ///< Offset 0x3CF - 0x3FF Reserved Must be zero. } IGD_OPREGION_MBOX3_VER_3_0; /// /// IGD OpRegion Structure /// typedef struct { IGD_OPREGION_HEADER Header; ///< OpRegion header (Offset 0x0, Size 0x100) IGD_OPREGION_MBOX1_VER_3_0 MBox1; ///< Mailbox 1: Public ACPI Methods (Offset 0x100, Size 0x100) IGD_OPREGION_MBOX2_VER_3_0 MBox2; ///< Mailbox 2: Backlight communication (Offset 0x200, Size 0x100) IGD_OPREGION_MBOX3_VER_3_0 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_VER_3_0; #pragma pack() #endif