EmbeddedPkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / EmbeddedPkg / Drivers / Lan9118Dxe / Lan9118DxeUtil.h

/** @file\r
*\r
*  Copyright (c) 2012-2014, ARM Limited. All rights reserved.\r
*\r
*  SPDX-License-Identifier: BSD-2-Clause-Patent\r
*\r
**/\r
\r
#ifndef __LAN9118_DXE_UTIL_H__\r
#define __LAN9118_DXE_UTIL_H__\r
\r
// Most common CRC32 Polynomial for little endian machines\r
#define CRC_POLYNOMIAL               0xEDB88320\r
\r
/**\r
  This internal function reverses bits for 32bit data.\r
\r
  @param  Value                 The data to be reversed.\r
\r
  @return                       Data reversed.\r
\r
**/\r
UINT32\r
ReverseBits (\r
  UINT32  Value\r
  );\r
\r
// Create an Ethernet CRC\r
UINT32\r
GenEtherCrc32 (\r
  IN    EFI_MAC_ADDRESS *Mac,\r
  IN    UINT32 AddrLen\r
  );\r
\r
UINT32\r
Lan9118RawMmioRead32(\r
  UINTN Address,\r
  UINTN Delay\r
  );\r
#define Lan9118MmioRead32(a) \\r
	Lan9118RawMmioRead32(a, a ## _RD_DELAY)\r
\r
UINT32\r
Lan9118RawMmioWrite32(\r
  UINTN Address,\r
  UINT32 Value,\r
  UINTN Delay\r
  );\r
#define Lan9118MmioWrite32(a, v) \\r
	Lan9118RawMmioWrite32(a, v, a ## _WR_DELAY)\r
\r
/* ------------------ MAC CSR Access ------------------- */\r
\r
// Read from MAC indirect registers\r
UINT32\r
IndirectMACRead32 (\r
  UINT32 Index\r
  );\r
\r
\r
// Write to indirect registers\r
UINT32\r
IndirectMACWrite32 (\r
  UINT32 Index,\r
  UINT32 Value\r
  );\r
\r
\r
/* --------------- PHY Registers Access ---------------- */\r
\r
// Read from MII register (PHY Access)\r
UINT32\r
IndirectPHYRead32(\r
  UINT32 Index\r
  );\r
\r
\r
// Write to the MII register (PHY Access)\r
UINT32\r
IndirectPHYWrite32(\r
  UINT32 Index,\r
  UINT32 Value\r
  );\r
\r
/* ---------------- EEPROM Operations ------------------ */\r
\r
// Read from EEPROM memory\r
UINT32\r
IndirectEEPROMRead32 (\r
  UINT32 Index\r
  );\r
\r
// Write to EEPROM memory\r
UINT32\r
IndirectEEPROMWrite32 (\r
  UINT32 Index,\r
  UINT32 Value\r
  );\r
\r
/* ---------------- General Operations ----------------- */\r
\r
VOID\r
Lan9118SetMacAddress (\r
  EFI_MAC_ADDRESS             *Mac,\r
  EFI_SIMPLE_NETWORK_PROTOCOL *Snp\r
  );\r
\r
// Initialise the LAN9118\r
EFI_STATUS\r
Lan9118Initialize (\r
  IN  EFI_SIMPLE_NETWORK_PROTOCOL *Snp\r
  );\r
\r
// Flags for software reset\r
#define SOFT_RESET_CHECK_MAC_ADDR_LOAD                  BIT0\r
#define SOFT_RESET_CLEAR_INT                            BIT1\r
#define SOFT_RESET_SELF_TEST                            BIT2\r
\r
// Perform software reset on the LAN9118\r
EFI_STATUS\r
SoftReset (\r
  UINT32 Flags,\r
  EFI_SIMPLE_NETWORK_PROTOCOL *Snp\r
  );\r
\r
// Flags for PHY reset\r
#define PHY_RESET_PMT                                   BIT0\r
#define PHY_RESET_BCR                                   BIT1\r
#define PHY_SOFT_RESET_CLEAR_INT                        BIT2\r
\r
// Perform PHY software reset\r
EFI_STATUS\r
PhySoftReset (\r
  UINT32 Flags,\r
  EFI_SIMPLE_NETWORK_PROTOCOL *Snp\r
  );\r
\r
// Flags for Hardware configuration\r
#define HW_CONF_USE_LEDS                                BIT0\r
\r
// Configure hardware for LAN9118\r
EFI_STATUS\r
ConfigureHardware (\r
  UINT32 Flags,\r
  EFI_SIMPLE_NETWORK_PROTOCOL *Snp\r
  );\r
\r
// Configure flow control\r
EFI_STATUS\r
ConfigureFlow (\r
  UINT32 Flags,\r
  UINT32 HighTrig,\r
  UINT32 LowTrig,\r
  UINT32 BPDuration,\r
  EFI_SIMPLE_NETWORK_PROTOCOL *Snp\r
  );\r
\r
// Flags for auto negotiation\r
#define AUTO_NEGOTIATE_COLLISION_TEST         BIT0\r
#define AUTO_NEGOTIATE_ADVERTISE_ALL          BIT1\r
\r
// Do auto-negotiation\r
EFI_STATUS\r
AutoNegotiate (\r
  UINT32 Flags,\r
  EFI_SIMPLE_NETWORK_PROTOCOL *Snp\r
  );\r
\r
// Check the Link Status and take appropriate action\r
EFI_STATUS\r
CheckLinkStatus (\r
  UINT32 Flags,\r
  EFI_SIMPLE_NETWORK_PROTOCOL *Snp\r
  );\r
\r
// Stop transmitter flags\r
#define STOP_TX_MAC                       BIT0\r
#define STOP_TX_CFG                       BIT1\r
#define STOP_TX_CLEAR                     BIT2\r
\r
// Stop the transmitter\r
EFI_STATUS\r
StopTx (\r
  UINT32 Flags,\r
  EFI_SIMPLE_NETWORK_PROTOCOL *Snp\r
  );\r
\r
// Stop receiver flags\r
#define STOP_RX_CLEAR                     BIT0\r
\r
// Stop the receiver\r
EFI_STATUS\r
StopRx (\r
  UINT32 Flags,\r
  EFI_SIMPLE_NETWORK_PROTOCOL *Snp\r
  );\r
\r
// Start transmitter flags\r
#define START_TX_MAC                      BIT0\r
#define START_TX_CFG                      BIT1\r
#define START_TX_CLEAR                    BIT2\r
\r
// Start the transmitter\r
EFI_STATUS\r
StartTx (\r
  UINT32 Flags,\r
  EFI_SIMPLE_NETWORK_PROTOCOL *Snp\r
  );\r
\r
// Stop receiver flags\r
#define START_RX_CLEAR                     BIT0\r
\r
// Start the receiver\r
EFI_STATUS\r
StartRx (\r
  UINT32 Flags,\r
  EFI_SIMPLE_NETWORK_PROTOCOL *Snp\r
  );\r
\r
// Check Tx Data available space\r
UINT32\r
TxDataFreeSpace (\r
  UINT32 Flags,\r
  EFI_SIMPLE_NETWORK_PROTOCOL *Snp\r
  );\r
\r
// Check Tx Status used space\r
UINT32\r
TxStatusUsedSpace (\r
  UINT32 Flags,\r
  EFI_SIMPLE_NETWORK_PROTOCOL *Snp\r
  );\r
\r
// Check Rx Data used space\r
UINT32\r
RxDataUsedSpace (\r
  UINT32 Flags,\r
  EFI_SIMPLE_NETWORK_PROTOCOL *Snp\r
  );\r
\r
// Check Rx Status used space\r
UINT32\r
RxStatusUsedSpace (\r
  UINT32 Flags,\r
  EFI_SIMPLE_NETWORK_PROTOCOL *Snp\r
  );\r
\r
\r
// Flags for FIFO allocation\r
#define ALLOC_USE_DEFAULT                 BIT0\r
#define ALLOC_USE_FIFOS                   BIT1\r
#define ALLOC_USE_DMA                     BIT2\r
\r
// FIFO min and max sizes\r
#define TX_FIFO_MIN_SIZE            0x00000600\r
#define TX_FIFO_MAX_SIZE            0x00003600\r
//#define RX_FIFO_MIN_SIZE\r
//#define RX_FIFO_MAX_SIZE\r
\r
// Change the allocation of FIFOs\r
EFI_STATUS\r
ChangeFifoAllocation (\r
  IN      UINT32 Flags,\r
  IN  OUT UINTN  *TxDataSize    OPTIONAL,\r
  IN  OUT UINTN  *RxDataSize    OPTIONAL,\r
  IN  OUT UINT32 *TxStatusSize  OPTIONAL,\r
  IN  OUT UINT32 *RxStatusSize  OPTIONAL,\r
  IN  OUT EFI_SIMPLE_NETWORK_PROTOCOL *Snp\r
  );\r
\r
VOID\r
Lan9118ReadMacAddress (\r
  OUT EFI_MAC_ADDRESS *Mac\r
  );\r
\r
#endif // __LAN9118_DXE_UTIL_H__\r