/*++

Copyright (c)  1999  - 2014, Intel Corporation. All rights reserved

  SPDX-License-Identifier: BSD-2-Clause-Patent


--*/


/*++

Module Name:

  CEATA.h

Abstract:

  Header file for chipset CE-AT spec.

--*/

#ifndef _CE_ATA_H
#define _CE_ATA_H

#pragma pack(1)


#define  DATA_UNIT_SIZE       512


#define  CMD60                60
#define  CMD61                61


#define RW_MULTIPLE_REGISTER  CMD60
#define RW_MULTIPLE_BLOCK     CMD61


#define CE_ATA_SIG_CE         0xCE
#define CE_ATA_SIG_AA         0xAA


#define Reg_Features_Exp      01
#define Reg_SectorCount_Exp   02
#define Reg_LBALow_Exp        03
#define Reg_LBAMid_Exp        04
#define Reg_LBAHigh_Exp       05
#define Reg_Control           06
#define Reg_Features_Error    09
#define Reg_SectorCount       10
#define Reg_LBALow            11
#define Reg_LBAMid            12
#define Reg_LBAHigh           13
#define Reg_Device_Head       14
#define Reg_Command_Status    15

#define Reg_scrTempC          0x80
#define Reg_scrTempMaxP       0x84
#define Reg_scrTempMinP       0x88
#define Reg_scrStatus         0x8C
#define Reg_scrReallocsA      0x90
#define Reg_scrERetractsA     0x94
#define Reg_scrCapabilities   0x98
#define Reg_scrControl        0xC0



typedef struct {
  UINT8  Reserved0;
  UINT8  Features_Exp;
  UINT8  SectorCount_Exp;
  UINT8  LBALow_Exp;
  UINT8  LBAMid_Exp;
  UINT8  LBAHigh_Exp;
  UINT8  Control;
  UINT8  Reserved1[2];
  UINT8  Features_Error;
  UINT8  SectorCount;
  UINT8  LBALow;
  UINT8  LBAMid;
  UINT8  LBAHigh;
  UINT8  Device_Head;
  UINT8  Command_Status;
} TASK_FILE;


//
//Reduced ATA command set
//
#define IDENTIFY_DEVICE       0xEC
#define READ_DMA_EXT          0x25
#define WRITE_DMA_EXT         0x35
#define STANDBY_IMMEDIATE     0xE0
#define FLUSH_CACHE_EXT       0xEA



typedef struct {
  UINT16  Reserved0[10];
  UINT16  SerialNumber[10];
  UINT16  Reserved1[3];
  UINT16  FirmwareRevision[4];
  UINT16  ModelNumber[20];
  UINT16  Reserved2[33];
  UINT16  MajorVersion;
  UINT16  Reserved3[19];
  UINT16  MaximumLBA[4];
  UINT16  Reserved4[2];
  UINT16  Sectorsize;
  UINT16  Reserved5;
  UINT16  DeviceGUID[4];
  UINT16  Reserved6[94];
  UINT16  Features;
  UINT16  MaxWritesPerAddress;
  UINT16  Reserved7[47];
  UINT16  IntegrityWord;
} IDENTIFY_DEVICE_DATA;





#pragma pack()

#endif