/*
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*********************************************************************************************************
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* AR100 SYSTEM
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* AR100 Software System Develop Kits
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* interrupt module
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*
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* (c) Copyright 2012-2016, Sunny China
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* All Rights Reserved
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*
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* File : intc.h
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* By : Sunny
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* Version : v1.0
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* Date : 2012-4-27
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* Descript: interrupt controller public header.
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* Update : date auther ver notes
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* 2012-4-27 10:52:56 Sunny 1.0 Create this file.
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*********************************************************************************************************
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*/
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#ifndef __INTC_H__
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#define __INTC_H__
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/*
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*********************************************************************************************************
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* INIT INTERRUPT MANAGER
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*
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* Description: initialize interrupt manager.
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*
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* Arguments : none.
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*
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* Returns : OK if initialize interrupt manager succeeded, others if failed.
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*********************************************************************************************************
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*/
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s32 interrupt_init(void);
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/*
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*********************************************************************************************************
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* EXIT INTERRUPT MANAGER
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*
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* Description: exit interrupt manager.
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*
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* Arguments : none.
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*
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* Returns : OK if exit interrupt manager succeeded, others if failed.
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*********************************************************************************************************
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*/
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s32 interrupt_exit(void);
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/*
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*********************************************************************************************************
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* ENABLE INTERRUPT
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*
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* Description: enable a specific interrupt.
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*
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* Arguments : intno : the number of interrupt which we want to enable.
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*
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* Returns : OK if enable interrupt succeeded, others if failed.
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*********************************************************************************************************
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*/
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s32 interrupt_enable(u32 intno);
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/*
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*********************************************************************************************************
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* DISABLE INTERRUPT
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*
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* Description: disable a specific interrupt.
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*
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* Arguments : intno : the number of interrupt which we want to disable.
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*
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* Returns : OK if disable interrupt succeeded, others if failed.
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*********************************************************************************************************
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*/
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s32 interrupt_disable(u32 intno);
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/*
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*********************************************************************************************************
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* SET NMI TRIGGER
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*
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* Description: set nmi trigger.
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*
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* Arguments : type : the trigger type.
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*
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* Returns : OK if set trigger type succeeded, others if failed.
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*********************************************************************************************************
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*/
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s32 interrupt_set_nmi_trigger(u32 type);
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s32 interrupt_set_mask(u32 intno, u32 mask);
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s32 interrupt_set_group_config(u32 grp_irq_num, u32 mask);
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/*
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*********************************************************************************************************
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* INSTALL ISR
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*
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* Description: install ISR for a specific interrupt.
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*
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* Arguments : intno : the number of interrupt which we want to install ISR.
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* pisr : the ISR which to been install.
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* parg : the argument for the ISR.
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*
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* Returns : OK if install ISR succeeded, others if failed.
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*
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* Note : the ISR execute entironment : CPU disable interrupt response.
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*********************************************************************************************************
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*/
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s32 install_isr(u32 intno, __pISR_t pisr, void *parg);
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/*
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*********************************************************************************************************
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* UNINSTALL ISR
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*
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* Description: uninstall ISR for a specific interrupt.
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*
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* Arguments : intno : the number of interrupt which we want to uninstall ISR.
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* pisr : the ISR which to been uninstall.
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*
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* Returns : OK if uninstall ISR succeeded, others if failed.
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*********************************************************************************************************
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*/
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s32 uninstall_isr(u32 intno, __pISR_t pisr);
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/*
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*********************************************************************************************************
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* INTERRUPT ENTRY
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*
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* Description: the entry of CPU IRQ, mainly for CPU IRQ exception.
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*
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* Arguments : none.
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*
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* Returns : OK if process CPU IRQ succeeded, others if failed.
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*********************************************************************************************************
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*/
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s32 interrupt_entry(void);
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s32 interrupt_query_pending(u32 intno);
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s32 interrupt_clear_pending(u32 intno);
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s32 interrupt_get_enabled(u32 intno);
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u32 interrupt_get_current_intno(void);
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s32 interrupt_standby_enter(void);
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s32 interrupt_standby_exit(void);
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#endif /* __INTC_H__ */
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