/*
 * Copyright (c) XMEDIA. All rights reserved.
 */
#include "osal.h"
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/printk.h>
#include <linux/spinlock.h>
#include <linux/slab.h>

int osal_spin_lock_init(osal_spinlock_t *lock)
{
    spinlock_t *p = NULL;
    if (lock == NULL) {
        osal_printk("%s - parameter invalid!\n", __FUNCTION__);
        return -1;
    }
    p = (spinlock_t *)kmalloc(sizeof(spinlock_t), GFP_KERNEL);
    if (p == NULL) {
        osal_printk("%s - kmalloc error!\n", __FUNCTION__);
        return -1;
    }
    spin_lock_init(p);
    lock->lock = p;
    return 0;
}
EXPORT_SYMBOL(osal_spin_lock_init);

void osal_spin_lock(osal_spinlock_t *lock)
{
    spinlock_t *p = NULL;

    p = (spinlock_t *)(lock->lock);
    spin_lock(p);
}
EXPORT_SYMBOL(osal_spin_lock);

int osal_spin_trylock(osal_spinlock_t *lock)
{
    spinlock_t *p = NULL;
    if (lock == NULL) {
        osal_printk("%s - parameter invalid!\n", __FUNCTION__);
        return -1;
    }
    p = (spinlock_t *)(lock->lock);
    return spin_trylock(p);
}
EXPORT_SYMBOL(osal_spin_trylock);

void osal_spin_unlock(osal_spinlock_t *lock)
{
    spinlock_t *p = NULL;

    p = (spinlock_t *)(lock->lock);
    spin_unlock(p);
}
EXPORT_SYMBOL(osal_spin_unlock);

void osal_spin_lock_irqsave(osal_spinlock_t *lock, unsigned long *flags)
{
    spinlock_t *p = NULL;
    unsigned long f;

    p = (spinlock_t *)(lock->lock);
    spin_lock_irqsave(p, f);
    *flags = f;
}
EXPORT_SYMBOL(osal_spin_lock_irqsave);
void osal_spin_unlock_irqrestore(osal_spinlock_t *lock, unsigned long *flags)
{
    spinlock_t *p = NULL;
    unsigned long f;

    p = (spinlock_t *)(lock->lock);
    f = *flags;
    spin_unlock_irqrestore(p, f);
}
EXPORT_SYMBOL(osal_spin_unlock_irqrestore);

void osal_spin_lock_destory(osal_spinlock_t *lock)
{
    if((lock != NULL) && (lock->lock != NULL)) {
        kfree((spinlock_t *)(lock->lock));
        lock->lock = NULL;
    } else {
        osal_printk("%s - parameter invalid!\n", __FUNCTION__);
    }
}
EXPORT_SYMBOL(osal_spin_lock_destory);

void osal_spin_lock_destroy(osal_spinlock_t *lock)
{
    if((lock != NULL) && (lock->lock != NULL)) {
        kfree((spinlock_t *)(lock->lock));
        lock->lock = NULL;
    } else {
        osal_printk("%s - parameter invalid!\n", __FUNCTION__);
    }
}
EXPORT_SYMBOL(osal_spin_lock_destroy);