IdeMode.h

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#ifndef __ATA_HC_IDE_MODE_H__
#define __ATA_HC_IDE_MODE_H__
 
typedef enum {
  EfiIdePrimary    = 0,
  EfiIdeSecondary  = 1,
  EfiIdeMaxChannel = 2
} EFI_IDE_CHANNEL;
 
typedef enum {
  EfiIdeMaster    = 0,
  EfiIdeSlave     = 1,
  EfiIdeMaxDevice = 2
} EFI_IDE_DEVICE;
 
typedef enum {
  EfiAtaPioModeBelow2,
  EfiAtaPioMode2,
  EfiAtaPioMode3,
  EfiAtaPioMode4
} EFI_ATA_PIO_MODE;
 
//
// Multi word DMA definition
//
typedef enum {
  EfiAtaMdmaMode0,
  EfiAtaMdmaMode1,
  EfiAtaMdmaMode2
} EFI_ATA_MDMA_MODE;
 
//
// UDMA mode definition
//
typedef enum {
  EfiAtaUdmaMode0,
  EfiAtaUdmaMode1,
  EfiAtaUdmaMode2,
  EfiAtaUdmaMode3,
  EfiAtaUdmaMode4,
  EfiAtaUdmaMode5
} EFI_ATA_UDMA_MODE;
 
//
// Bus Master Reg
//
#define BMIC_NREAD      BIT3
#define BMIC_START      BIT0
#define BMIS_INTERRUPT  BIT2
#define BMIS_ERROR      BIT1
 
#define BMIC_OFFSET  0x00
#define BMIS_OFFSET  0x02
#define BMID_OFFSET  0x04
 
//
// IDE transfer mode
//
#define EFI_ATA_MODE_DEFAULT_PIO  0x00
#define EFI_ATA_MODE_FLOW_PIO     0x01
#define EFI_ATA_MODE_MDMA         0x04
#define EFI_ATA_MODE_UDMA         0x08
 
typedef struct {
  UINT32    RegionBaseAddr;
  UINT16    ByteCount;
  UINT16    EndOfTable;
} EFI_ATA_DMA_PRD;
 
typedef struct {
  UINT8    ModeNumber   : 3;
  UINT8    ModeCategory : 5;
} EFI_ATA_TRANSFER_MODE;
 
typedef struct {
  UINT8    Sector;
  UINT8    Heads;
  UINT8    MultipleSector;
} EFI_ATA_DRIVE_PARMS;
 
//
// IDE registers set
//
typedef struct {
  UINT16    Data;
  UINT16    ErrOrFeature;
  UINT16    SectorCount;
  UINT16    SectorNumber;
  UINT16    CylinderLsb;
  UINT16    CylinderMsb;
  UINT16    Head;
  UINT16    CmdOrStatus;
  UINT16    AltOrDev;
 
  UINT16    BusMasterBaseAddr;
} EFI_IDE_REGISTERS;
 
//
// Bit definitions in Programming Interface byte of the Class Code field
// in PCI IDE controller's Configuration Space
//
#define IDE_PRIMARY_OPERATING_MODE            BIT0
#define IDE_PRIMARY_PROGRAMMABLE_INDICATOR    BIT1
#define IDE_SECONDARY_OPERATING_MODE          BIT2
#define IDE_SECONDARY_PROGRAMMABLE_INDICATOR  BIT3
 
EFI_STATUS
EFIAPI
GetIdeRegisterIoAddr (
  IN     EFI_PCI_IO_PROTOCOL  *PciIo,
  IN OUT EFI_IDE_REGISTERS    *IdeRegisters
  );
 
EFI_STATUS
EFIAPI
AtaPacketCommandExecute (
  IN  EFI_PCI_IO_PROTOCOL                         *PciIo,
  IN  EFI_IDE_REGISTERS                           *IdeRegisters,
  IN  UINT8                                       Channel,
  IN  UINT8                                       Device,
  IN  EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET  *Packet
  );
 
#endif