slimbootloader/BootloaderCorePkg/Include/IgdOpRegionDefines.h

144 lines
4.1 KiB
C

/** @file
Copyright (c) 1999 - 2014, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
Module Name:
IgdOpRegionDefines.h
Abstract:
This is part of the implementation of an Intel Graphics drivers OpRegion /
Software SCI interface between system BIOS, ASL code, and Graphics drivers.
Supporting Specification: OpRegion / Software SCI SPEC 0.70
Acronyms:
IGD: Internal Graphics Device
NVS: ACPI Non Volatile Storage
OpRegion: ACPI Operational Region
VBT: Video BIOS Table (OEM customizable data)
**/
#ifndef _IGD_OP_REGION_DEFINES_H_
#define _IGD_OP_REGION_DEFINES_H_
//
// OpRegion (Miscellaneous) #defines.
//
// OpRegion Header #defines.
//
#define HEADER_SIGNATURE "IntelGraphicsMem"
#define HEADER_SIZE 0x2000
#define HEADER_OPREGION_VER 0x0200
#define HEADER_OPREGION_REV 0x00
#define IGD_OPREGION_VERSION 2
//
//For VLV Tablet, MailBOX2(SCI)is not supported.
//
#define HEADER_MBOX_SUPPORT (HD_MBOX4 + HD_MBOX3 + HD_MBOX1)
#define HD_MBOX1 BIT0
#define HD_MBOX2 BIT1
#define HD_MBOX3 BIT2
#define HD_MBOX4 BIT3
#define HD_MBOX5 BIT4
#define SVER_SIZE 32
//
//Audio Type support for VLV2 A0
//
#define AUDIO_TYPE_SUPPORT_MASK 0xFFFFFFF3
#define NO_AUDIO_SUPPORT (0<<2)
#define HD_AUDIO_SUPPORT (1<<2)
#define LPE_AUDIO_SUPPORT (2<<2)
#define AUDIO_TYPE_FIELD_MASK 0xFFFFFFEF
#define AUDIO_TYPE_FIELD_VALID (1<<4)
#define AUDIO_TYPE_FIELD_INVALID (0<<4)
//
// OpRegion Mailbox 1 EQUates.
//
// OpRegion Mailbox 3 EQUates.
//
#define ALS_ENABLE BIT0
#define BLC_ENABLE BIT1
#define BACKLIGHT_BRIGHTNESS 0xFF
#define FIELD_VALID_BIT BIT31
#define WORD_FIELD_VALID_BIT BIT15
#define PFIT_ENABLE BIT2
#define PFIT_OPRN_AUTO 0x00000000
#define PFIT_OPRN_SCALING 0x00000007
#define PFIT_OPRN_OFF 0x00000000
#define PFIT_SETUP_AUTO 0
#define PFIT_SETUP_SCALING 1
#define PFIT_SETUP_OFF 2
#define INIT_BRIGHT_LEVEL 0x64
#define PFIT_STRETCH 6
#define PFIT_CENTER 1
//
// GT RELATED EQUATES
//
#define GTT_MEM_ALIGN 22
#define GTTMMADR_SIZE_4MB 0x400000
#define IGD_BUS 0x00
#define IGD_DEV 0x02
#define IGD_FUN_0 0x00
#define IGD_R_VID 0x00
#define IGD_R_CMD 0x04
#define IGD_R_GTTMMADR 0x10
#define IGD_R_BGSM 0x70
#define LOCKBIT BIT0
#define IGD_VID 0x8086
#define IGD_DID 0xA001
#define IGD_MGGC_OFFSET 0x0050 //GMCH Graphics Control Register 0x50
#define IGD_BSM_OFFSET 0x005C //Base of Stolen Memory
#define IGD_SWSCI_OFFSET 0x00E0 //Software SCI 0xE0 2
#define IGD_ASLE_OFFSET 0x00E4 //System Display Event Register 0xE4 4
#define IGD_ASLS_OFFSET 0x00FC // ASL Storage
//
// Video BIOS / VBT #defines
//
#define IGD_DID_VLV 0x0F31
#define OPTION_ROM_SIGNATURE 0xAA55
#define VBIOS_LOCATION_PRIMARY 0xC0000
#define VBT_SIGNATURE SIGNATURE_32 ('$', 'V', 'B', 'T')
//
// Typedef stuctures
//
#pragma pack (1)
typedef struct {
UINT8 HeaderSignature[20];
UINT16 HeaderVersion;
UINT16 HeaderSize;
UINT16 HeaderVbtSize;
UINT8 HeaderVbtCheckSum;
UINT8 HeaderReserved;
UINT32 HeaderOffsetVbtDataBlock;
UINT32 HeaderOffsetAim1;
UINT32 HeaderOffsetAim2;
UINT32 HeaderOffsetAim3;
UINT32 HeaderOffsetAim4;
UINT8 DataHeaderSignature[16];
UINT16 DataHeaderVersion;
UINT16 DataHeaderSize;
UINT16 DataHeaderDataBlockSize;
UINT8 CoreBlockId;
UINT16 CoreBlockSize;
UINT16 CoreBlockBiosSize;
UINT8 CoreBlockBiosType;
UINT8 CoreBlockReleaseStatus;
UINT8 CoreBlockHWSupported;
UINT8 CoreBlockIntegratedHW;
UINT8 CoreBlockBiosBuild[4];
UINT8 CoreBlockBiosSignOn[155];
} VBIOS_VBT_STRUCTURE;
#pragma pack ()
#endif