rt-thread/bsp/allwinner/libraries/sunxi-hal/hal/source/intc/intc.h

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