mirror of https://github.com/acidanthera/audk.git
573 lines
12 KiB
C
573 lines
12 KiB
C
/*++
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Copyright (c) 2006 - 2008, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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UnixSerialIo.h
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Abstract:
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--*/
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#ifndef _UNIXPKG_SERIAL_IO_
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#define _UNIXPKG_SERIAL_IO_
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <termio.h>
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#include <fcntl.h>
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#include <errno.h>
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#include "PiDxe.h"
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#include <Protocol/SerialIo.h>
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#include <Protocol/DevicePath.h>
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#include <Library/DebugLib.h>
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#include <Library/BaseLib.h>
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#include <Library/UefiDriverEntryPoint.h>
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#include <Library/UefiLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/DevicePathLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include "UnixDxe.h"
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extern EFI_DRIVER_BINDING_PROTOCOL gUnixSerialIoDriverBinding;
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extern EFI_COMPONENT_NAME_PROTOCOL gUnixSerialIoComponentName;
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#define SERIAL_MAX_BUFFER_SIZE 256
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#define TIMEOUT_STALL_INTERVAL 10
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typedef struct {
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UINT32 First;
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UINT32 Last;
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UINT32 Surplus;
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UINT8 Data[SERIAL_MAX_BUFFER_SIZE];
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} SERIAL_DEV_FIFO;
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#define UNIX_SERIAL_IO_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('U', 'N', 's', 'i')
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typedef struct {
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UINT64 Signature;
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//
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// Protocol data for the new handle we are going to add
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//
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EFI_HANDLE Handle;
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EFI_SERIAL_IO_PROTOCOL SerialIo;
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EFI_SERIAL_IO_MODE SerialIoMode;
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EFI_DEVICE_PATH_PROTOCOL *DevicePath;
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//
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// Private Data
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//
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EFI_HANDLE ControllerHandle;
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EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;
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UART_DEVICE_PATH UartDevicePath;
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EFI_UNIX_THUNK_PROTOCOL *UnixThunk;
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EFI_UNICODE_STRING_TABLE *ControllerNameTable;
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//
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// Private NT type Data;
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//
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UINTN UnixHandle;
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struct termios UnixTermios;
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BOOLEAN SoftwareLoopbackEnable;
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BOOLEAN HardwareFlowControl;
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BOOLEAN HardwareLoopbackEnable;
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SERIAL_DEV_FIFO Fifo;
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} UNIX_SERIAL_IO_PRIVATE_DATA;
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#define UNIX_SERIAL_IO_PRIVATE_DATA_FROM_THIS(a) \
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CR(a, UNIX_SERIAL_IO_PRIVATE_DATA, SerialIo, UNIX_SERIAL_IO_PRIVATE_DATA_SIGNATURE)
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//
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// Global Protocol Variables
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//
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extern EFI_DRIVER_BINDING_PROTOCOL gUnixSerialIoDriverBinding;
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extern EFI_COMPONENT_NAME_PROTOCOL gUnixSerialIoComponentName;
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//
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// Macros to convert EFI serial types to NT serial types.
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//
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//
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// one second
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//
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#define SERIAL_TIMEOUT_DEFAULT (1000 * 1000)
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#define SERIAL_BAUD_DEFAULT 115200
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#define SERIAL_FIFO_DEFAULT 14
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#define SERIAL_DATABITS_DEFAULT 8
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#define SERIAL_PARITY_DEFAULT DefaultParity
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#define SERIAL_STOPBITS_DEFAULT DefaultStopBits
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#define SERIAL_CONTROL_MASK (EFI_SERIAL_CLEAR_TO_SEND | \
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EFI_SERIAL_DATA_SET_READY | \
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EFI_SERIAL_RING_INDICATE | \
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EFI_SERIAL_CARRIER_DETECT | \
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EFI_SERIAL_REQUEST_TO_SEND | \
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EFI_SERIAL_DATA_TERMINAL_READY | \
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EFI_SERIAL_INPUT_BUFFER_EMPTY)
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#define ConvertBaud2Nt(x) (DWORD) x
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#define ConvertData2Nt(x) (BYTE) x
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#define ConvertParity2Nt(x) \
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(BYTE) ( \
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x == DefaultParity ? NOPARITY : \
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x == NoParity ? NOPARITY : \
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x == EvenParity ? EVENPARITY : \
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x == OddParity ? ODDPARITY : \
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x == MarkParity ? MARKPARITY : \
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x == SpaceParity ? SPACEPARITY : 0 \
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)
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#define ConvertStop2Nt(x) \
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(BYTE) ( \
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x == DefaultParity ? ONESTOPBIT : \
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x == OneFiveStopBits ? ONE5STOPBITS : \
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x == TwoStopBits ? TWOSTOPBITS : 0 \
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)
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#define ConvertTime2Nt(x) ((x) / 1000)
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//
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// 115400 baud with rounding errors
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//
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#define SERIAL_PORT_MAX_BAUD_RATE 115400
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//
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// Fix the differences issue of linux header files termios.h
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//
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#ifndef B460800
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#define B460800 0010004
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#endif
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#ifndef B500000
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#define B500000 0010005
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#endif
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#ifndef B576000
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#define B576000 0010006
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#endif
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#ifndef B921600
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#define B921600 0010007
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#endif
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#ifndef B1000000
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#define B1000000 0010010
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#endif
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#ifndef B1152000
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#define B1152000 0010011
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#endif
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#ifndef B1500000
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#define B1500000 0010012
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#endif
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#ifndef B2000000
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#define B2000000 0010013
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#endif
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#ifndef B2500000
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#define B2500000 0010014
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#endif
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#ifndef B3000000
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#define B3000000 0010015
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#endif
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#ifndef B3500000
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#define B3500000 0010016
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#endif
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#ifndef B4000000
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#define B4000000 0010017
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#endif
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#ifndef __MAX_BAUD
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#define __MAX_BAUD B4000000
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#endif
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#ifndef CMSPAR
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#define CMSPAR 010000000000 /* mark or space (stick) parity */
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#endif
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#ifndef FIONREAD
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#define FIONREAD 0x541B
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#endif
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//
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// Function Prototypes
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//
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EFI_STATUS
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EFIAPI
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InitializeUnixSerialIo (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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/*++
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Routine Description:
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TODO: Add function description
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Arguments:
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ImageHandle - TODO: add argument description
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SystemTable - TODO: add argument description
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Returns:
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TODO: add return values
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--*/
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;
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EFI_STATUS
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EFIAPI
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UnixSerialIoDriverBindingSupported (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Handle,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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)
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/*++
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Routine Description:
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TODO: Add function description
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Arguments:
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This - TODO: add argument description
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Handle - TODO: add argument description
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RemainingDevicePath - TODO: add argument description
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Returns:
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TODO: add return values
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--*/
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;
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EFI_STATUS
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EFIAPI
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UnixSerialIoDriverBindingStart (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Handle,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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)
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/*++
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Routine Description:
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TODO: Add function description
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Arguments:
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This - TODO: add argument description
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Handle - TODO: add argument description
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RemainingDevicePath - TODO: add argument description
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Returns:
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TODO: add return values
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--*/
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;
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EFI_STATUS
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EFIAPI
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UnixSerialIoDriverBindingStop (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Handle,
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IN UINTN NumberOfChildren,
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IN EFI_HANDLE *ChildHandleBuffer
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)
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/*++
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Routine Description:
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TODO: Add function description
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Arguments:
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This - TODO: add argument description
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Handle - TODO: add argument description
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NumberOfChildren - TODO: add argument description
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ChildHandleBuffer - TODO: add argument description
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Returns:
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TODO: add return values
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--*/
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;
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EFI_STATUS
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EFIAPI
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UnixSerialIoReset (
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IN EFI_SERIAL_IO_PROTOCOL *This
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)
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/*++
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Routine Description:
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TODO: Add function description
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Arguments:
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This - TODO: add argument description
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Returns:
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TODO: add return values
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--*/
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;
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EFI_STATUS
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EFIAPI
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UnixSerialIoSetAttributes (
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IN EFI_SERIAL_IO_PROTOCOL *This,
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IN UINT64 BaudRate,
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IN UINT32 ReceiveFifoDepth,
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IN UINT32 Timeout,
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IN EFI_PARITY_TYPE Parity,
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IN UINT8 DataBits,
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IN EFI_STOP_BITS_TYPE StopBits
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)
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/*++
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Routine Description:
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TODO: Add function description
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Arguments:
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This - TODO: add argument description
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BaudRate - TODO: add argument description
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ReceiveFifoDepth - TODO: add argument description
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Timeout - TODO: add argument description
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Parity - TODO: add argument description
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DataBits - TODO: add argument description
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StopBits - TODO: add argument description
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Returns:
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TODO: add return values
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--*/
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;
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EFI_STATUS
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EFIAPI
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UnixSerialIoSetControl (
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IN EFI_SERIAL_IO_PROTOCOL *This,
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IN UINT32 Control
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)
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/*++
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Routine Description:
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TODO: Add function description
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Arguments:
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This - TODO: add argument description
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Control - TODO: add argument description
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Returns:
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TODO: add return values
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--*/
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;
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EFI_STATUS
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EFIAPI
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UnixSerialIoGetControl (
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IN EFI_SERIAL_IO_PROTOCOL *This,
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OUT UINT32 *Control
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)
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/*++
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Routine Description:
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TODO: Add function description
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Arguments:
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This - TODO: add argument description
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Control - TODO: add argument description
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Returns:
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TODO: add return values
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--*/
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;
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EFI_STATUS
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EFIAPI
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UnixSerialIoWrite (
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IN EFI_SERIAL_IO_PROTOCOL *This,
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IN OUT UINTN *BufferSize,
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IN VOID *Buffer
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)
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/*++
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Routine Description:
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TODO: Add function description
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Arguments:
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This - TODO: add argument description
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BufferSize - TODO: add argument description
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Buffer - TODO: add argument description
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Returns:
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TODO: add return values
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--*/
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;
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EFI_STATUS
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EFIAPI
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UnixSerialIoRead (
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IN EFI_SERIAL_IO_PROTOCOL *This,
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IN OUT UINTN *BufferSize,
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OUT VOID *Buffer
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)
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/*++
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Routine Description:
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TODO: Add function description
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Arguments:
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This - TODO: add argument description
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BufferSize - TODO: add argument description
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Buffer - TODO: add argument description
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Returns:
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TODO: add return values
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--*/
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;
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BOOLEAN
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IsaSerialFifoFull (
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IN SERIAL_DEV_FIFO *Fifo
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)
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/*++
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Routine Description:
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TODO: Add function description
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Arguments:
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Fifo - TODO: add argument description
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Returns:
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TODO: add return values
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--*/
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;
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BOOLEAN
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IsaSerialFifoEmpty (
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IN SERIAL_DEV_FIFO *Fifo
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)
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/*++
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Routine Description:
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TODO: Add function description
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Arguments:
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Fifo - TODO: add argument description
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Returns:
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TODO: add return values
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--*/
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;
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EFI_STATUS
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IsaSerialFifoAdd (
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IN SERIAL_DEV_FIFO *Fifo,
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IN UINT8 Data
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)
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/*++
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Routine Description:
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TODO: Add function description
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Arguments:
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Fifo - TODO: add argument description
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Data - TODO: add argument description
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Returns:
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TODO: add return values
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--*/
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;
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EFI_STATUS
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IsaSerialFifoRemove (
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IN SERIAL_DEV_FIFO *Fifo,
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OUT UINT8 *Data
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)
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/*++
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Routine Description:
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TODO: Add function description
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Arguments:
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Fifo - TODO: add argument description
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Data - TODO: add argument description
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Returns:
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TODO: add return values
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--*/
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;
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EFI_STATUS
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IsaSerialReceiveTransmit (
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UNIX_SERIAL_IO_PRIVATE_DATA *Private
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)
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/*++
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Routine Description:
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TODO: Add function description
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Arguments:
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Private - TODO: add argument description
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Returns:
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TODO: add return values
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--*/
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;
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#endif
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