board/atheros/common/athrs_vir_phy.c

/*
 * Copyright (c) 2013 Qualcomm Atheros, Inc.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <config.h>
#include <linux/types.h>
#include <common.h>
#include <miiphy.h>
#include "phy.h"
#include <asm/addrspace.h>
#include <atheros.h>

#define MODULE_NAME "ATHRS_VIR_PHY"

#define TRUE    1
#define FALSE   0
#define BOOL	int

/* Forward references */
BOOL athr_vir_phy_is_link_alive(int phyUnit);


/******************************************************************************
*
* athr_vir_phy_is_link_alive - test to see if the specified link is alive
*
* RETURNS:
*    TRUE  --> link is alive
*    FALSE --> link is down
*/
BOOL
athr_vir_phy_is_link_alive(int phyUnit)
{
    return TRUE;
}

/******************************************************************************
*
* athr_vir_phy_setup - reset and setup the PHY associated with
* the specified MAC unit number.
*
* Resets the associated PHY port.
*
* RETURNS:
*    TRUE  --> associated PHY is alive
*    FALSE --> no LINKs on this ethernet unit
*/

BOOL
athr_vir_phy_setup(int ethUnit)
{
    return 0;
}

/******************************************************************************
*
* athr_vir_phy_is_fdx - Determines whether the phy ports associated with the
* specified device are FULL or HALF duplex.
*
* RETURNS:
*    1 --> FULL
*    0 --> HALF
*/
int
athr_vir_phy_is_fdx(int ethUnit,int phyUnit)
{
    return TRUE;
}

/******************************************************************************
*
* athr_vir_phy_speed - Determines the speed of phy ports associated with the
* specified device.
*
* RETURNS:
*               AG7240_PHY_SPEED_10T, AG7240_PHY_SPEED_100T;
*               AG7240_PHY_SPEED_1000T;
*/

int
athr_vir_phy_speed(int ethUnit,int phyUnit)
{
    return _1000BASET;
}

/*****************************************************************************
*
* athr_vir_phy_is_up -- checks for significant changes in PHY state.
*
* A "significant change" is:
*     dropped link (e.g. ethernet cable unplugged) OR
*     autonegotiation completed + link (e.g. ethernet cable plugged in)
*
* When a PHY is plugged in, phyLinkGained is called.
* When a PHY is unplugged, phyLinkLost is called.
*/

int
athr_vir_phy_is_up(int ethUnit)
{
    return 1;

}
/* Place holders */

int 
athr_vir_reg_init(void *arg)
{
   return 0;
}