/*
   Copyright (c) 2015 Broadcom Corporation
   All Rights Reserved

    <:label-BRCM:2015:DUAL/GPL:standard
    
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License, version 2, as published by
    the Free Software Foundation (the "GPL").
    
    This program 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.
    
    
    A copy of the GPL is available at http://www.broadcom.com/licenses/GPLv2.php, or by
    writing to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.
    
:>
*/

/*
 *  Created on: Jan 2016
 *      Author: yuval.raviv@broadcom.com
 */

/*
 * Common functions for lport connected phy drivers
 */

#include "phy_drv.h"
#include "lport_intr.h"

static void lport_link_change_handler(phy_dev_t *phy_dev)
{
    uint32_t port = (uint64_t)phy_dev->priv;

    phy_dev_link_change_notify(phy_dev);
    lport_intr_enable(LPORT_PORT_LINK, port, 1);
}

static void lport_intr_cb(const lport_intr_info_s *info, void *priv)
{
    phy_dev_t *phy_dev = priv;
    uint32_t port = (uint64_t)phy_dev->priv;

    lport_intr_enable(LPORT_PORT_LINK, port, 0);
    lport_intr_clear(LPORT_PORT_LINK, port);

    phy_dev_queue_work(phy_dev, lport_link_change_handler);
}

int lport_link_change_register(phy_dev_t *phy_dev)
{
    int ret;
    uint32_t port = (uint64_t)phy_dev->priv;

    if ((ret = lport_intr_register(LPORT_PORT_LINK, port, lport_intr_cb, phy_dev)))
    {
        printk("Failed to register link interrupt for port %d\n", port);
        return ret;
    }

    lport_intr_enable(LPORT_PORT_LINK, port, 1);

    return 0;
}

int lport_link_change_unregister(phy_dev_t *phy_dev)
{
    uint32_t port = (uint64_t)phy_dev->priv;

    lport_intr_enable(LPORT_PORT_LINK, port, 0);
    lport_intr_unregister(LPORT_PORT_LINK, port);

    return 0;
}