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/******************************************************************************

* DISCLAIMER

* Please refer to http://www.renesas.com/disclaimer

******************************************************************************

  Copyright (C) 2008. Renesas Technology Corp., All Rights Reserved.

*******************************************************************************

* File Name    : r_ether.h

* Version      : 1.02

* Description  : Ethernet module device driver

******************************************************************************

* History : DD.MM.YYYY Version Description

*         : 15.02.2010 1.00    First Release

*         : 03.03.2010 1.01    Buffer size is aligned on the 32-byte boundary.

*         : 04.06.2010 1.02    RX62N changes

******************************************************************************/

#ifndef R_ETHER_H

#define R_ETHER_H

/******************************************************************************

Includes   <System Includes> , "Project Includes"

******************************************************************************/

#include <stdint.h>

/******************************************************************************

Typedef definitions

******************************************************************************/

struct Descriptor

{

        __evenaccess uint32_t   status;

#if __LIT                               

/* Little endian */

        __evenaccess uint16_t   size;

        __evenaccess uint16_t   bufsize;

#else                                   

/* Big endian */

        __evenaccess uint16_t   bufsize;

        __evenaccess uint16_t   size;

#endif

        int8_t                                  *buf_p;

        struct Descriptor               *next;

};

typedef struct Descriptor ethfifo;

typedef enum _NETLNK

{

    PHY_NO_LINK = 0,

    PHY_LINK_10H,

    PHY_LINK_10F,

    PHY_LINK_100H,

    PHY_LINK_100F

} NETLNK;

/******************************************************************************

Macro definitions

******************************************************************************/

#define BUFSIZE   256                   /* Must be 32-bit aligned */

#define ENTRY     8                     /* Number of RX and TX buffers */

#define  ACT      0x80000000

#define  DL       0x40000000

#define  FP1      0x20000000

#define  FP0      0x10000000

#define  FE       0x08000000

#define  RFOVER   0x00000200

#define  RAD      0x00000100

#define  RMAF     0x00000080

#define  RRF      0x00000010

#define  RTLF     0x00000008

#define  RTSF     0x00000004

#define  PRE      0x00000002

#define  CERF     0x00000001

#define  TAD      0x00000100

#define  CND      0x00000008

#define  DLC      0x00000004

#define  CD       0x00000002

#define  TRO      0x00000001

/**

 * Renesas Ethernet API return defines

 **/

#define R_ETHER_OK          0

#define R_ETHER_ERROR       -1

/*      Ether Interface definitions     */

#define ETH_RMII_MODE   0

#define ETH_MII_MODE    1

/*      Select Ether Interface Mode     */

#define ETH_MODE_SEL    ETH_MII_MODE

/******************************************************************************

Variable Externs

******************************************************************************/

/******************************************************************************

Functions Prototypes

******************************************************************************/

/**

 * Renesas Ethernet API prototypes

 **/

int32_t R_Ether_Open(uint32_t ch, uint8_t mac_addr[]);

int32_t R_Ether_Close(uint32_t ch);

int32_t R_Ether_Write(uint32_t ch, void *buf, uint32_t len);

int32_t R_Ether_Read(uint32_t ch, void *buf);

/**

 * FreeRTOS Ethernet API prototypes.

 */

/*

 * Configure all the ethernet components (MAC, DMA, PHY) ready for communication.

 */

void vInitEmac( void );

/*

 * Auto negotiate the link, returning pass or fail depending on whether a link

 * was established or not.

 */

long lEMACWaitForLink( void );

/*

 * Check the Rx status, and return the number of bytes received if any.

 */

unsigned long ulEMACRead( void );

/*

 * Send uip_len bytes from uip_buf to the Tx descriptors and initiate a Tx.

 */

void vEMACWrite( void );

/****************************************************/

/* Ethernet statistic collection data */

struct enet_stats

{

  uint32_t  rx_packets;      /* total packets received    */

  uint32_t  tx_packets;      /* total packets transmitted  */

  uint32_t  rx_errors;       /* bad packets received      */

  uint32_t  tx_errors;       /* packet transmit problems    */

  uint32_t  rx_dropped;      /* no space in buffers      */

  uint32_t  tx_dropped;      /* no space available      */

  uint32_t  multicast;       /* multicast packets received  */

  uint32_t  collisions;

  /* detailed rx_errors: */

  uint32_t  rx_length_errors;

  uint32_t  rx_over_errors;    /* receiver ring buffer overflow  */

  uint32_t  rx_crc_errors;     /* recved pkt with crc error  */

  uint32_t  rx_frame_errors;   /* recv'd frame alignment error  */

  uint32_t  rx_fifo_errors;    /* recv'r fifo overrun      */

  uint32_t  rx_missed_errors;  /* receiver missed packet    */

  /* detailed tx_errors */

  uint32_t  tx_aborted_errors;

  uint32_t  tx_carrier_errors;

  uint32_t  tx_fifo_errors;

  uint32_t  tx_heartbeat_errors;

  uint32_t  tx_window_errors;

};

struct ei_device

{

  const int8_t      *name;

  uint8_t           open;

  uint8_t           Tx_act;

  uint8_t           Rx_act;

  uint8_t           txing;        /* Transmit Active */

  uint8_t           irqlock;      /* EDMAC's interrupt disabled when '1'. */

  uint8_t           dmaing;       /* EDMAC Active */

  ethfifo           *rxcurrent;   /* current receive discripter */

  ethfifo           *txcurrent;   /* current transmit discripter */

  uint8_t           save_irq;     /* Original dev->irq value. */

  struct enet_stats stat;

  uint8_t           mac_addr[6];

};

#endif /* R_ETHER_H */