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/* 
 *  Copyright 2003 by Texas Instruments Incorporated. 
 *  All rights reserved. Property of Texas Instruments Incorporated. 
 *  Restricted rights to use, duplicate or disclose this code are 
 *  granted through contract. 
 *   
 */ 
/* "@(#) DSP/BIOS 4.90.200 05-05-03 (barracuda-m04)" */ 
/*-----------------------------------------------------------------------*\ 
* EMIMDIO - Ethernet MDIO Interface 
* 
* EMIMDIO.H 
* 
* This file contains MDIO include data for the EMIMDIO device. 
* 
* NOTE: 
*   When used in a multitasking environment, no EMIMDIO function may be 
*   called while another EMIMDIO function is operating on the same EMIMDIO 
*   handle in another thread. It is the responsibility of the application 
*   to assure adherence to this restriction. 
* 
\*-----------------------------------------------------------------------*/ 
#ifndef _CSL_EMIMDIO_H_ 
#define _CSL_EMIMDIO_H_ 
 
#include  
#include  
#include  
 
 
#if (MDIO_SUPPORT) 
/*-----------------------------------------------------------------------*\ 
* NEW TYPES 
\*-----------------------------------------------------------------------*/ 
#ifndef _CSL_EMI_TYPES 
#define _CSL_EMI_TYPES 
typedef unsigned int uint; 
typedef void * Handle; 
#endif 
 
/*-----------------------------------------------------------------------*\ 
* EMIMDIO Configuration Mode Flags 
* 
* These flags determine how the EMIMDIO module behaves 
\*-----------------------------------------------------------------------*/ 
#define EMIMDIO_MODEFLG_AUTONEG     0x0001 /* Use Autonegotiate         */ 
/* The following bits are used for manual and fallback configuration */ 
#define EMIMDIO_MODEFLG_HD10        0x0002 /* Use 10Mb/s Half Duplex    */ 
#define EMIMDIO_MODEFLG_FD10        0x0004 /* Use 10Mb/s Full Duplex    */ 
#define EMIMDIO_MODEFLG_HD100       0x0008 /* Use 100Mb/s Half Duplex   */ 
#define EMIMDIO_MODEFLG_FD100       0x0010 /* Use 100Mb/s Full Duplex   */ 
#define EMIMDIO_MODEFLG_LOOPBACK    0x0020 /* Use PHY Loopback          */ 
/* The following bits are reserved for use by the EMIMDIO module */ 
#define EMIMDIO_MODEFLG_NWAYACTIVE  0x0040 /* NWAY is currently active  */ 
 
/*-----------------------------------------------------------------------*\ 
* EMIMDIO Link Status Values 
* 
* These values indicate current PHY link status 
\*-----------------------------------------------------------------------*/ 
#define EMIMDIO_LINKSTATUS_NOLINK   0 
#define EMIMDIO_LINKSTATUS_HD10     1 
#define EMIMDIO_LINKSTATUS_FD10     2 
#define EMIMDIO_LINKSTATUS_HD100    3 
#define EMIMDIO_LINKSTATUS_FD100    4 
 
/*-----------------------------------------------------------------------*\ 
* EMIMDIO Events 
* 
* These events are returned by EMIMDIO_event() to allow the application 
* (or EMAC) to track MDIO status. 
\*-----------------------------------------------------------------------*/ 
#define EMIMDIO_EVENT_NOCHANGE      0   /* No change from previous status */ 
#define EMIMDIO_EVENT_LINKDOWN      1   /* Link down event                */ 
#define EMIMDIO_EVENT_LINKUP        2   /* Link (or re-link) event        */ 
#define EMIMDIO_EVENT_PHYERROR      3   /* No PHY connected               */ 
 
 
/*-----------------------------------------------------------------------*\ 
* EMIMDIO_open() 
* 
* Opens the EMI MDIO peripheral and start searching for a PHY device. 
* 
* It is assumed that the MDIO module is reset prior to calling this 
* function. 
\*-----------------------------------------------------------------------*/ 
Handle EMIMDIO_open( uint mdioModeFlags ); 
 
/*-----------------------------------------------------------------------*\ 
* EMIMDIO_close() 
* 
* Close the EMI MDIO peripheral and disable further operation. 
\*-----------------------------------------------------------------------*/ 
void EMIMDIO_close( Handle hEMIMDIO ); 
 
/*-----------------------------------------------------------------------*\ 
* EMIMDIO_getStatus() 
* 
* Called to get the status of the MDIO/PHY 
\*-----------------------------------------------------------------------*/ 
void EMIMDIO_getStatus( Handle hEMIMDIO, uint *pPhy, uint *pLinkStatus ); 
 
/*-----------------------------------------------------------------------*\ 
* EMIMDIO_event() 
* 
* Called to signify that approx 500mS have elapsed, or a more significant 
* event has occurred. 
* 
* Returns NULL, or a link status code 
\*-----------------------------------------------------------------------*/ 
uint EMIMDIO_event( Handle hEMIMDIO ); 
 
/*-----------------------------------------------------------------------*\ 
* EMIMDIO_initPHY() 
* 
* Force a switch to the specified PHY, and start negotiation. 
* 
* This call is only used to override the normal PHY detection process. 
* 
* Returns 1 if the PHY selection completed OK, else 0 
\*-----------------------------------------------------------------------*/ 
uint EMIMDIO_initPHY( Handle hEMIMDIO, uint phyAddr ); 
 
#endif /* MDIO_SUPPORT */ 
 
#endif /* _CSL_EMIMDIO_H_ */ 
/******************************************************************************\ 
* End of emimdio.h 
\******************************************************************************/