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#ifndef CYGONCE_DEVS_ETH_PHY_H_

#define CYGONCE_DEVS_ETH_PHY_H_

//==========================================================================

//

//      eth_phy.h

//

//      User API for ethernet transciever (PHY) support

//

//==========================================================================

// ####ECOSGPLCOPYRIGHTBEGIN####                                            

// -------------------------------------------                              

// This file is part of eCos, the Embedded Configurable Operating System.   

// Copyright (C) 2003, 2010 Free Software Foundation, Inc.                        

//

// eCos is free software; you can redistribute it and/or modify it under    

// the terms of the GNU General Public License as published by the Free     

// Software Foundation; either version 2 or (at your option) any later      

// version.                                                                 

//

// eCos is distributed in the hope that it will be useful, but WITHOUT      

// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or    

// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License    

// for more details.                                                        

//

// You should have received a copy of the GNU General Public License        

// along with eCos; if not, write to the Free Software Foundation, Inc.,    

// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.            

//

// As a special exception, if other files instantiate templates or use      

// macros or inline functions from this file, or you compile this file      

// and link it with other works to produce a work based on this file,       

// this file does not by itself cause the resulting work to be covered by   

// the GNU General Public License. However the source code for this file    

// must still be made available in accordance with section (3) of the GNU   

// General Public License v2.                                               

//

// This exception does not invalidate any other reasons why a work based    

// on this file might be covered by the GNU General Public License.         

// -------------------------------------------                              

// ####ECOSGPLCOPYRIGHTEND####                                              

//==========================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):    gthomas

// Contributors: gthomas

// Date:         2003-08-01

// Purpose:      

// Description:  

//              

//####DESCRIPTIONEND####

//

//==========================================================================

#define PHY_BIT_LEVEL_ACCESS_TYPE 0

#define PHY_REG_LEVEL_ACCESS_TYPE 1

// Physical device access - defined by hardware instance

typedef struct {

    int ops_type;  // 0 => bit level, 1 => register level

    bool init_done;

    void (*init)(void);

    void (*reset)(void);

    union {

        struct {

            void (*set_data)(int);

            int  (*get_data)(void);

            void (*set_clock)(int);

            void (*set_dir)(int);

        } bit_level_ops;

        struct {

            void (*put_reg)(int reg, int unit, unsigned short data);

            bool (*get_reg)(int reg, int unit, unsigned short *data);

        } reg_level_ops;

    } ops;

    int phy_addr;

    struct _eth_phy_dev_entry *dev;  // Chip access functions

} eth_phy_access_t;

#define ETH_PHY_BIT_LEVEL_ACCESS_FUNS(_l,_init,_reset,_set_data,_get_data,_set_clock,_set_dir) \

static eth_phy_access_t _l = {PHY_BIT_LEVEL_ACCESS_TYPE, false, _init, _reset, \

                              {.bit_level_ops = {_set_data, _get_data, _set_clock, _set_dir}}}

#define ETH_PHY_REG_LEVEL_ACCESS_FUNS(_l,_init,_reset,_put_reg,_get_reg) \

static eth_phy_access_t _l = {PHY_REG_LEVEL_ACCESS_TYPE, false, _init, _reset, \

                              {.reg_level_ops = {_put_reg, _get_reg}}}

#define ETH_PHY_STAT_LINK   0x0001   // Link up/down

#define ETH_PHY_STAT_100MB  0x0002   // Connection is 100Mb/10Mb

#define ETH_PHY_STAT_FDX    0x0004   // Connection is full/half duplex

#define ETH_PHY_STAT_1000MB 0x0008   // Connection is 1Gb

externC bool _eth_phy_init(eth_phy_access_t *f);

externC void _eth_phy_reset(eth_phy_access_t *f);

externC int  _eth_phy_state(eth_phy_access_t *f);

externC int  _eth_phy_cfg(eth_phy_access_t *f, int mode);

#define ETH_PHY_MODE_DEFAULT  0

// Internal routines

externC void _eth_phy_write(eth_phy_access_t *f, int reg, int unit, unsigned short data);

externC bool _eth_phy_read(eth_phy_access_t *f, int reg, int unit, unsigned short *val);

#endif  // CYGONCE_DEVS_ETH_PHY_H_

// ------------------------------------------------------------------------