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/* -------------------------------------------
Copyright (C) 2024, ELMH GROUP, all rights reserved.
------------------------------------------- */
#ifndef _INC_MODULE_MBCI_H_
#define _INC_MODULE_MBCI_H_
#include <NewKit/Defines.h>
#include <Modules/ACPI/ACPI.h>
/**
- VCC (IN) (OUT for MCU)
- CLK (IN) (OUT for MCU)
- ACK (BI) (Contains an Acknowledge Packet Frame)
- D0- (IN) (Starts with the Host Interface Packet Frame)
- D1- (IN) (Starts with the Host Interface Packet Frame)
- D0+ (OUT) (Starts with the Host Interface Packet Frame)
- D1+ (OUT) (Starts with the Host Interface Packet Frame)
- GND (IN) (OUT for MCU)
*/
#define kMBCIZeroSz (8)
namespace Kernel
{
struct IMBCIHost;
struct IMBCIHostPacketFrame;
/// @brief MBCI Packet frame header
struct PACKED IMBCIHostPacketFrame final
{
UInt32 Magic;
UInt32 HostId;
UInt32 Flags;
UInt32 VendorId;
UInt32 DeviceId;
UInt32 DeviceSpeed;
Bool Acknowledge;
Char Zero[kMBCIZeroSz];
};
enum
{
kMBCISpeedDeviceInvalid,
kMBCILowSpeedDevice,
kMBCIHighSpeedDevice,
kMBCISpeedDeviceCount,
};
/// @brief MBCI Host Interface header.
struct PACKED IMBCIHost final
{
UInt32 Magic;
UInt32 HostId;
UInt16 VendorId;
UInt16 DeviceId;
UInt8 MemoryType;
UInt16 HostType;
UInt16 HostFlags;
UInt8 Error;
UInt8 Status;
UInt8 InterruptEnable;
UInt64 BaseAddressRegister;
UInt64 BaseAddressRegisterSize;
Char Zero[kMBCIZeroSz];
};
/// @brief MBCI host flags.
enum MBCIHostFlags
{
kMBCIHostFlagsSupportsNothing, // Invalid MBCI device.
kMBCIHostFlagsSupportsAPM, // Advanced Power Management.
kMBCIHostFlagsSupportsDaisyChain, // Is daisy chained.
kMBCIHostFlagsSupportsHWInterrupts, // Has HW interrupts.
kMBCIHostFlagsSupportsDMA, // Has DMA.
kMBCIHostFlagsExtended = __UINT16_MAX__, // Extended flags table.
};
enum MBCIHostKind
{
kMBCIHostKindHardDisk,
kMBCIHostKindOpticalDisk,
kMBCIHostKindKeyboardLow,
kMBCIHostKindMouseLow,
kMBCIHostKindMouseHigh,
kMBCIHostKindKeyboardHigh,
kMBCIHostKindNetworkInterface,
kMBCIHostKindDaisyChain,
kMBCIHostKindStartExtended = __UINT16_MAX__, // Extended vendor table limit.
};
/// @brief An AuthKey is a context used to decrpy data from an MBCI packet.
typedef UInt64 MBCIAuthyKeyType;
} // namespace Kernel
#endif // ifndef _INC_MODULE_MBCI_H_
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