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/*
* Copyright (C) 2017-2019 Alibaba Group Holding Limited
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2020-08-20 zx.chen CSI Source File for IRQ Driver
*/
#include <stdint.h>
#include <soc.h>
#include <csi_core.h>
#include <csi_config.h>
extern void Default_Handler(void);
extern void (*g_irqvector[])(void);
extern void (*g_nmivector)(void);
/**
\brief enable irq.
\param[in] irq_num Number of IRQ.
\return None.
*/
void drv_irq_enable(uint32_t irq_num)
{
if (NMI_EXPn != irq_num)
{
#ifdef CONFIG_SYSTEM_SECURE
csi_vic_enable_sirq(irq_num);
#else
csi_vic_enable_irq(irq_num);
#endif
}
}
/**
\brief disable irq.
\param[in] irq_num Number of IRQ.
\return None.
*/
void drv_irq_disable(uint32_t irq_num)
{
if (NMI_EXPn != irq_num)
{
#ifdef CONFIG_SYSTEM_SECURE
csi_vic_disable_sirq(irq_num);
#else
csi_vic_disable_irq(irq_num);
#endif
}
}
/**
\brief register irq handler.
\param[in] irq_num Number of IRQ.
\param[in] irq_handler IRQ Handler.
\return None.
*/
void drv_irq_register(uint32_t irq_num, void *irq_handler)
{
if (NMI_EXPn != irq_num)
{
g_irqvector[irq_num] = irq_handler;
}
else
{
g_nmivector = irq_handler;
}
}
/**
\brief unregister irq handler.
\param[in] irq_num Number of IRQ.
\return None.
*/
void drv_irq_unregister(uint32_t irq_num)
{
if (NMI_EXPn != irq_num)
{
g_irqvector[irq_num] = (void *)Default_Handler;
}
else
{
g_nmivector = (void *)Default_Handler;
}
}
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