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/*
* UWB PAL support.
*
* Copyright (C) 2008 Cambridge Silicon Radio Ltd.
*
* 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.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/kernel.h>
#include <linux/uwb.h>
#include "uwb-internal.h"
/**
* uwb_pal_init - initialize a UWB PAL
* @pal: the PAL to initialize
*/
void uwb_pal_init(struct uwb_pal *pal)
{
INIT_LIST_HEAD(&pal->node);
}
EXPORT_SYMBOL_GPL(uwb_pal_init);
/**
* uwb_pal_register - register a UWB PAL
* @rc: the radio controller the PAL will be using
* @pal: the PAL
*
* The PAL must be initialized with uwb_pal_init().
*/
int uwb_pal_register(struct uwb_rc *rc, struct uwb_pal *pal)
{
spin_lock(&rc->pal_lock);
list_add(&pal->node, &rc->pals);
spin_unlock(&rc->pal_lock);
return 0;
}
EXPORT_SYMBOL_GPL(uwb_pal_register);
/**
* uwb_pal_register - unregister a UWB PAL
* @rc: the radio controller the PAL was using
* @pal: the PAL
*/
void uwb_pal_unregister(struct uwb_rc *rc, struct uwb_pal *pal)
{
spin_lock(&rc->pal_lock);
list_del(&pal->node);
spin_unlock(&rc->pal_lock);
}
EXPORT_SYMBOL_GPL(uwb_pal_unregister);
/**
* uwb_rc_pal_init - initialize the PAL related parts of a radio controller
* @rc: the radio controller
*/
void uwb_rc_pal_init(struct uwb_rc *rc)
{
spin_lock_init(&rc->pal_lock);
INIT_LIST_HEAD(&rc->pals);
}
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