/* $NetBSD: efiser.h,v 1.1.1.2 2018/08/16 18:17:47 jmcneill Exp $ */ #ifndef _EFI_SER_H #define _EFI_SER_H /*++ Copyright (c) 1998 Intel Corporation Module Name: efiser.h Abstract: EFI serial protocol Revision History --*/ // // Serial protocol // #define EFI_SERIAL_IO_PROTOCOL_GUID \ { 0xBB25CF6F, 0xF1D4, 0x11D2, {0x9A, 0x0C, 0x00, 0x90, 0x27, 0x3F, 0xC1, 0xFD} } #define SERIAL_IO_PROTOCOL EFI_SERIAL_IO_PROTOCOL_GUID INTERFACE_DECL(_EFI_SERIAL_IO_PROTOCOL); typedef enum { DefaultParity, NoParity, EvenParity, OddParity, MarkParity, SpaceParity } EFI_PARITY_TYPE; typedef enum { DefaultStopBits, OneStopBit, // 1 stop bit OneFiveStopBits, // 1.5 stop bits TwoStopBits // 2 stop bits } EFI_STOP_BITS_TYPE; #define EFI_SERIAL_CLEAR_TO_SEND 0x0010 // RO #define EFI_SERIAL_DATA_SET_READY 0x0020 // RO #define EFI_SERIAL_RING_INDICATE 0x0040 // RO #define EFI_SERIAL_CARRIER_DETECT 0x0080 // RO #define EFI_SERIAL_REQUEST_TO_SEND 0x0002 // WO #define EFI_SERIAL_DATA_TERMINAL_READY 0x0001 // WO #define EFI_SERIAL_INPUT_BUFFER_EMPTY 0x0100 // RO #define EFI_SERIAL_OUTPUT_BUFFER_EMPTY 0x0200 // RO #define EFI_SERIAL_HARDWARE_LOOPBACK_ENABLE 0x1000 // RW #define EFI_SERIAL_SOFTWARE_LOOPBACK_ENABLE 0x2000 // RW #define EFI_SERIAL_HARDWARE_FLOW_CONTROL_ENABLE 0x4000 // RW typedef EFI_STATUS (EFIAPI *EFI_SERIAL_RESET) ( IN struct _EFI_SERIAL_IO_PROTOCOL *This ); typedef EFI_STATUS (EFIAPI *EFI_SERIAL_SET_ATTRIBUTES) ( IN struct _EFI_SERIAL_IO_PROTOCOL *This, IN UINT64 BaudRate, IN UINT32 ReceiveFifoDepth, IN UINT32 Timeout, IN EFI_PARITY_TYPE Parity, IN UINT8 DataBits, IN EFI_STOP_BITS_TYPE StopBits ); typedef EFI_STATUS (EFIAPI *EFI_SERIAL_SET_CONTROL_BITS) ( IN struct _EFI_SERIAL_IO_PROTOCOL *This, IN UINT32 Control ); typedef EFI_STATUS (EFIAPI *EFI_SERIAL_GET_CONTROL_BITS) ( IN struct _EFI_SERIAL_IO_PROTOCOL *This, OUT UINT32 *Control ); typedef EFI_STATUS (EFIAPI *EFI_SERIAL_WRITE) ( IN struct _EFI_SERIAL_IO_PROTOCOL *This, IN OUT UINTN *BufferSize, IN VOID *Buffer ); typedef EFI_STATUS (EFIAPI *EFI_SERIAL_READ) ( IN struct _EFI_SERIAL_IO_PROTOCOL *This, IN OUT UINTN *BufferSize, OUT VOID *Buffer ); typedef struct { UINT32 ControlMask; // current Attributes UINT32 Timeout; UINT64 BaudRate; UINT32 ReceiveFifoDepth; UINT32 DataBits; UINT32 Parity; UINT32 StopBits; } SERIAL_IO_MODE; #define SERIAL_IO_INTERFACE_REVISION 0x00010000 typedef struct _EFI_SERIAL_IO_PROTOCOL { UINT32 Revision; EFI_SERIAL_RESET Reset; EFI_SERIAL_SET_ATTRIBUTES SetAttributes; EFI_SERIAL_SET_CONTROL_BITS SetControl; EFI_SERIAL_GET_CONTROL_BITS GetControl; EFI_SERIAL_WRITE Write; EFI_SERIAL_READ Read; SERIAL_IO_MODE *Mode; } EFI_SERIAL_IO_PROTOCOL; typedef struct _EFI_SERIAL_IO_PROTOCOL _SERIAL_IO_INTERFACE; typedef EFI_SERIAL_IO_PROTOCOL SERIAL_IO_INTERFACE; #endif