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