/** @file
Defined the platform specific device path which will be filled to
ConIn/ConOut variables.

Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution.  The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php

THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

**/

#include "PlatformBootManager.h"

///
/// the short form device path for Usb keyboard
///
#define CLASS_HID           3
#define SUBCLASS_BOOT       1
#define PROTOCOL_KEYBOARD   1

///
/// PcdDefaultTerminalType values
///
#define PCANSITYPE                0
#define VT100TYPE                 1
#define VT100PLUSTYPE             2
#define VTUTF8TYPE                3
#define TTYTERMTYPE               4

//
// Below is the platform console device path
//
typedef struct {
  ACPI_HID_DEVICE_PATH            PciRootBridge;
  PCI_DEVICE_PATH                 PciUart;
  UART_DEVICE_PATH                Uart;
  VENDOR_DEVICE_PATH              TerminalType;
  EFI_DEVICE_PATH_PROTOCOL        End;
} PCI_UART_DEVICE_PATH;

typedef struct {
  VENDOR_DEVICE_PATH        VendorHardware;
  UART_DEVICE_PATH          Uart;
  VENDOR_DEVICE_PATH        TerminalType;
  EFI_DEVICE_PATH_PROTOCOL  End;
} VENDOR_UART_DEVICE_PATH;

typedef struct {
  USB_CLASS_DEVICE_PATH           UsbClass;
  EFI_DEVICE_PATH_PROTOCOL        End;
} USB_CLASS_FORMAT_DEVICE_PATH;

#define PNPID_DEVICE_PATH_NODE(PnpId) \
  { \
    { \
      ACPI_DEVICE_PATH, \
      ACPI_DP, \
      { \
        (UINT8) (sizeof (ACPI_HID_DEVICE_PATH)), \
        (UINT8) ((sizeof (ACPI_HID_DEVICE_PATH)) >> 8) \
      } \
    }, \
    EISA_PNP_ID((PnpId)), \
    0 \
  }

#define PCI_DEVICE_PATH_NODE(Func, Dev) \
  { \
    { \
      HARDWARE_DEVICE_PATH, \
      HW_PCI_DP, \
      { \
        (UINT8) (sizeof (PCI_DEVICE_PATH)), \
        (UINT8) ((sizeof (PCI_DEVICE_PATH)) >> 8) \
      }, \
    }, \
    (Func), \
    (Dev) \
  }

#define gEndEntire \
  { \
    END_DEVICE_PATH_TYPE, \
    END_ENTIRE_DEVICE_PATH_SUBTYPE, \
    { \
      END_DEVICE_PATH_LENGTH, \
      0 \
    } \
  }

//
// Platform specific serial device path
//
PCI_UART_DEVICE_PATH   gPciUartDevicePath0 = {
  PNPID_DEVICE_PATH_NODE(0x0A03),
  PCI_DEVICE_PATH_NODE(1, 20),
  {
    {
      MESSAGING_DEVICE_PATH,
      MSG_UART_DP,
      {
        (UINT8)(sizeof (UART_DEVICE_PATH)),
        (UINT8)((sizeof (UART_DEVICE_PATH)) >> 8)
      }
    },
    0,         // Reserved
    921600,    // BaudRate
    8,         // DataBits
    1,         // Parity
    1          // StopBits
  },
  {
    {
      MESSAGING_DEVICE_PATH,
      MSG_VENDOR_DP,
      {
        (UINT8)(sizeof (VENDOR_DEVICE_PATH)),
        (UINT8)((sizeof (VENDOR_DEVICE_PATH)) >> 8)
      },
    },
    DEVICE_PATH_MESSAGING_PC_ANSI
  },
  gEndEntire
};

PCI_UART_DEVICE_PATH   gPciUartDevicePath1 = {
  PNPID_DEVICE_PATH_NODE(0x0A03),
  PCI_DEVICE_PATH_NODE(5, 20),
  {
    {
      MESSAGING_DEVICE_PATH,
      MSG_UART_DP,
      {
        (UINT8)(sizeof (UART_DEVICE_PATH)),
        (UINT8)((sizeof (UART_DEVICE_PATH)) >> 8)
      }
    },
    0,         // Reserved
    921600,    // BaudRate
    8,         // DataBits
    1,         // Parity
    1          // StopBits
  },
  {
    {
      MESSAGING_DEVICE_PATH,
      MSG_VENDOR_DP,
      {
        (UINT8)(sizeof (VENDOR_DEVICE_PATH)),
        (UINT8)((sizeof (VENDOR_DEVICE_PATH)) >> 8)
      }
    },
    DEVICE_PATH_MESSAGING_PC_ANSI
  },
  gEndEntire
};

VENDOR_UART_DEVICE_PATH gDebugAgentUartDevicePath = {
  {
    {
      HARDWARE_DEVICE_PATH,
      HW_VENDOR_DP,
      {
        (UINT8) (sizeof (VENDOR_DEVICE_PATH)),
        (UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8)
      }
    },
    EFI_DEBUG_AGENT_GUID,
  },
  {
    {
      MESSAGING_DEVICE_PATH,
      MSG_UART_DP,
      {
        (UINT8) (sizeof (UART_DEVICE_PATH)),
        (UINT8) ((sizeof (UART_DEVICE_PATH)) >> 8)
      }
    },
    0,  // Reserved
    0,  // BaudRate - Default
    0,  // DataBits - Default
    0,  // Parity   - Default
    0,  // StopBits - Default
  },
  {
    {
      MESSAGING_DEVICE_PATH,
      MSG_VENDOR_DP,
      {
        (UINT8)(sizeof (VENDOR_DEVICE_PATH)),
        (UINT8)((sizeof (VENDOR_DEVICE_PATH)) >> 8)
      }
    },
    DEVICE_PATH_MESSAGING_PC_ANSI
  },
  gEndEntire
};

USB_CLASS_FORMAT_DEVICE_PATH gUsbClassKeyboardDevicePath = {
  {
    {
      MESSAGING_DEVICE_PATH,
      MSG_USB_CLASS_DP,
      {
        (UINT8)(sizeof (USB_CLASS_DEVICE_PATH)),
        (UINT8)((sizeof (USB_CLASS_DEVICE_PATH)) >> 8)
      }
    },
    0xffff,              // VendorId  - Match any vendor
    0xffff,              // ProductId - Match any product
    CLASS_HID,           // DeviceClass
    SUBCLASS_BOOT,       // DeviceSubClass
    PROTOCOL_KEYBOARD    // DeviceProtocol
  },
  gEndEntire
};

//
// Predefined platform default console device path
//
PLATFORM_CONSOLE_CONNECT_ENTRY   gPlatformConsole[] = {
  { (EFI_DEVICE_PATH_PROTOCOL *) &gPciUartDevicePath0,         (CONSOLE_OUT | CONSOLE_IN) },
  { (EFI_DEVICE_PATH_PROTOCOL *) &gPciUartDevicePath1,         (CONSOLE_OUT | CONSOLE_IN) },
  { (EFI_DEVICE_PATH_PROTOCOL *) &gDebugAgentUartDevicePath,   (CONSOLE_OUT | CONSOLE_IN) },
  { (EFI_DEVICE_PATH_PROTOCOL *) &gUsbClassKeyboardDevicePath, (CONSOLE_IN)               },
  { NULL, 0 }
};

EFI_STATUS
EFIAPI
InitializePlatformBootManagerLib (
  IN EFI_HANDLE        ImageHandle,
  IN EFI_SYSTEM_TABLE  *SystemTable
  )
{
  EFI_GUID  *TerminalTypeGuid;

  //
  // Update UART device path nodes based on UART PCD settings
  //
  gPciUartDevicePath0.Uart.BaudRate = PcdGet64 (PcdUartDefaultBaudRate);
  gPciUartDevicePath0.Uart.DataBits = PcdGet8 (PcdUartDefaultDataBits);
  gPciUartDevicePath0.Uart.Parity   = PcdGet8 (PcdUartDefaultParity);
  gPciUartDevicePath0.Uart.StopBits = PcdGet8 (PcdUartDefaultStopBits);
  gPciUartDevicePath1.Uart.BaudRate = PcdGet64 (PcdUartDefaultBaudRate);
  gPciUartDevicePath1.Uart.DataBits = PcdGet8 (PcdUartDefaultDataBits);
  gPciUartDevicePath1.Uart.Parity   = PcdGet8 (PcdUartDefaultParity);
  gPciUartDevicePath1.Uart.StopBits = PcdGet8 (PcdUartDefaultStopBits);

  //
  // Update Vendor device path nodes based on terminal type PCD settings
  //
  switch (PcdGet8 (PcdDefaultTerminalType)) {
  case PCANSITYPE:
    TerminalTypeGuid = &gEfiPcAnsiGuid;
    break;
  case VT100TYPE:
    TerminalTypeGuid = &gEfiVT100Guid;
    break;
  case VT100PLUSTYPE:
    TerminalTypeGuid = &gEfiVT100PlusGuid;
    break;
  case VTUTF8TYPE:
    TerminalTypeGuid = &gEfiVTUTF8Guid;
    break;
  case TTYTERMTYPE:
    TerminalTypeGuid = &gEfiTtyTermGuid;
    break;
  default:
    TerminalTypeGuid = &gEfiPcAnsiGuid;
    break;
  }
  CopyGuid (&gPciUartDevicePath0.TerminalType.Guid, TerminalTypeGuid);
  CopyGuid (&gPciUartDevicePath1.TerminalType.Guid, TerminalTypeGuid);

  return EFI_SUCCESS;
}