mirror of https://github.com/acidanthera/audk.git
236 lines
6.3 KiB
C
236 lines
6.3 KiB
C
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/*++
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Copyright (c) 1999 - 2014, Intel Corporation. All rights reserved
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SPDX-License-Identifier: BSD-2-Clause-Patent
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Module Name:
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IgdOpRegion.h
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Abstract:
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This is part of the implementation of an Intel Graphics drivers OpRegion /
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Software SCI interface between system BIOS, ASL code, and Graphics drivers.
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Supporting Specifiction: OpRegion / Software SCI SPEC 0.70
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Acronyms:
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IGD: Internal Graphics Device
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NVS: ACPI Non Volatile Storage
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OpRegion: ACPI Operational Region
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VBT: Video BIOS Table (OEM customizable data)
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--*/
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#ifndef _IGD_OPREGION_H_
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#define _IGD_OPREGION_H_
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//
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// Statements that include other header files.
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//
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#include "VlvPlatformInit.h"
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#include "VlvCommonDefinitions.h"
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#include <Uefi/UefiInternalFormRepresentation.h>
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#include <FrameworkDxe.h>
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//
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//
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// OpRegion (Miscellaneous) #defines.
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//
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// OpRegion Header #defines.
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//
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#define HEADER_SIGNATURE "IntelGraphicsMem"
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#define HEADER_SIZE 0x2000
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#define HEADER_OPREGION_VER 0x0200
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#define HEADER_OPREGION_REV 0x00
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//
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//For VLV Tablet, MailBOX2(SCI)is not supported.
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//
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#define HEADER_MBOX_SUPPORT (HD_MBOX4 + HD_MBOX3 + HD_MBOX1)
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#define HD_MBOX1 BIT0
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#define HD_MBOX2 BIT1
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#define HD_MBOX3 BIT2
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#define HD_MBOX4 BIT3
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#define HD_MBOX5 BIT4
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#define SVER_SIZE 32
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//
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//Audio Type support for VLV2 A0
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//
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#define AUDIO_TYPE_SUPPORT_MASK 0xFFFFFFF3
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#define NO_AUDIO_SUPPORT (0<<2)
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#define HD_AUDIO_SUPPORT (1<<2)
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#define LPE_AUDIO_SUPPORT (2<<2)
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#define AUDIO_TYPE_FIELD_MASK 0xFFFFFFEF
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#define AUDIO_TYPE_FIELD_VALID (1<<4)
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#define AUDIO_TYPE_FIELD_INVALID (0<<4)
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//
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// OpRegion Mailbox 1 EQUates.
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//
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// OpRegion Mailbox 3 EQUates.
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//
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#define ALS_ENABLE BIT0
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#define BLC_ENABLE BIT1
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#define BACKLIGHT_BRIGHTNESS 0xFF
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#define FIELD_VALID_BIT BIT31
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#define WORD_FIELD_VALID_BIT BIT15
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#define PFIT_ENABLE BIT2
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#define PFIT_OPRN_AUTO 0x00000000
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#define PFIT_OPRN_SCALING 0x00000007
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#define PFIT_OPRN_OFF 0x00000000
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#define PFIT_SETUP_AUTO 0
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#define PFIT_SETUP_SCALING 1
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#define PFIT_SETUP_OFF 2
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#define INIT_BRIGHT_LEVEL 0x64
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#define PFIT_STRETCH 6
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#define PFIT_CENTER 1
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//
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// GMCH PCI register access #defines.
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//
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#define IgdMmPci32(Register) MmPci32 (0, IGD_BUS, IGD_DEV, IGD_FUN_0, Register)
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#define IgdMmPci16Or(Register, OrData) MmPci16Or (0, IGD_BUS, IGD_DEV, IGD_FUN_0, Register, OrData)
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#define IgdMmPci16AndThenOr(Register,AndData,OrData) MmPci16AndThenOr (0, IGD_BUS, IGD_DEV, IGD_FUN_0, Register, AndData, OrData)
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//
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// Video BIOS / VBT #defines
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//
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#define IGD_DID_VLV 0x0F31
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#define OPTION_ROM_SIGNATURE 0xAA55
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#define VBIOS_LOCATION_PRIMARY 0xC0000
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#define VBT_SIGNATURE SIGNATURE_32 ('$', 'V', 'B', 'T')
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//
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// Typedef stuctures
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//
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#pragma pack (1)
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typedef struct {
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UINT16 Signature; // 0xAA55
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UINT8 Size512;
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UINT8 Reserved[21];
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UINT16 PcirOffset;
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UINT16 VbtOffset;
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} INTEL_VBIOS_OPTION_ROM_HEADER;
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#pragma pack ()
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#pragma pack (1)
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typedef struct {
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UINT32 Signature; // "PCIR"
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UINT16 VendorId; // 0x8086
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UINT16 DeviceId;
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UINT16 Reserved0;
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UINT16 Length;
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UINT8 Revision;
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UINT8 ClassCode[3];
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UINT16 ImageLength;
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UINT16 CodeRevision;
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UINT8 CodeType;
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UINT8 Indicator;
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UINT16 Reserved1;
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} INTEL_VBIOS_PCIR_STRUCTURE;
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#pragma pack ()
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#pragma pack (1)
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typedef struct {
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UINT8 HeaderSignature[20];
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UINT16 HeaderVersion;
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UINT16 HeaderSize;
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UINT16 HeaderVbtSize;
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UINT8 HeaderVbtCheckSum;
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UINT8 HeaderReserved;
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UINT32 HeaderOffsetVbtDataBlock;
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UINT32 HeaderOffsetAim1;
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UINT32 HeaderOffsetAim2;
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UINT32 HeaderOffsetAim3;
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UINT32 HeaderOffsetAim4;
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UINT8 DataHeaderSignature[16];
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UINT16 DataHeaderVersion;
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UINT16 DataHeaderSize;
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UINT16 DataHeaderDataBlockSize;
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UINT8 CoreBlockId;
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UINT16 CoreBlockSize;
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UINT16 CoreBlockBiosSize;
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UINT8 CoreBlockBiosType;
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UINT8 CoreBlockReleaseStatus;
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UINT8 CoreBlockHWSupported;
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UINT8 CoreBlockIntegratedHW;
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UINT8 CoreBlockBiosBuild[4];
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UINT8 CoreBlockBiosSignOn[155];
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} VBIOS_VBT_STRUCTURE;
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#pragma pack ()
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//
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// Driver Private Function definitions
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//
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EFI_STATUS
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GetSVER (
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OUT UINT8 *SVER
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);
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/**
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Acquire the string associated with the ProducerGuid and return it.
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@param ProducerGuid The Guid to search the HII database for
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@param Token The token value of the string to extract
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@param String The string that is extracted
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@retval EFI_SUCCESS The function completed successfully
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@retval EFI_NOT_FOUND The requested string was not found
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**/
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EFI_STATUS
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GetStringFromToken (
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IN EFI_GUID *ProducerGuid,
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IN STRING_REF Token,
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OUT CHAR16 **String
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);
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/**
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Graphics OpRegion / Software SCI driver installation function.
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@param Void
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@retval EFI_SUCCESS The driver installed without error.
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@retval EFI_ABORTED The driver encountered an error and could not complete
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installation of the ACPI tables.
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**/
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EFI_STATUS
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IgdOpRegionInit (
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void
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);
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/**
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Extract information pertaining to the HiiHandle
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@param HiiHandle Hii handle
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@param ImageLength For input, length of DefaultImage;
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For output, length of actually required
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@param DefaultImage Image buffer prepared by caller
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@param Guid Guid information about the form
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@retval EFI_OUT_OF_RESOURCES No enough buffer to allocate
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@retval EFI_BUFFER_TOO_SMALL DefualtImage has no enough ImageLength
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@retval EFI_SUCCESS Successfully extract data from Hii database.
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**/
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EFI_STATUS
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ExtractDataFromHiiHandle (
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IN EFI_HII_HANDLE HiiHandle,
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IN OUT UINT16 *ImageLength,
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OUT UINT8 *DefaultImage,
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OUT EFI_GUID *Guid
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);
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#endif
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