kernelite/icu_8h_source.html

#ifndef ICU_ICU_H

#define ICU_ICU_H


#include <stdbool.h>

#include <stdint.h>


typedef struct handler_data_t {

    void (*handler)(void *private_data);


    void *private_data;

} handler_data_t;


void icu_init(const void *fdt);


bool icu_register_irq(uint32_t irq_num, handler_data_t handler_data);


void icu_unregister_irq(uint32_t irq_num);


void icu_handle_irq(void);


#endif /* ICU_ICU_H */

icu_handle_irq
void icu_handle_irq(void)
Top-level IRQ dispatch entry point.
Definition icu.c:62

icu_register_irq
bool icu_register_irq(uint32_t irq_num, handler_data_t handler_data)
Register a handler for a hardware interrupt source and enable it.
Definition icu.c:52

icu_init
void icu_init(const void *fdt)
Initialize the interrupt controller unit.
Definition icu.c:24

icu_unregister_irq
void icu_unregister_irq(uint32_t irq_num)
Unregister a handler for a hardware interrupt source and disable it.
Definition icu.c:57

handler_data_t
Interrupt handler registration entry.
Definition icu.h:25

handler_data_t::private_data
void * private_data
Opaque pointer passed to the handler on invocation. Ownership and lifetime are managed by the registe...
Definition icu.h:32

handler_data_t::handler
void(* handler)(void *private_data)
Function to invoke when the corresponding INTID fires. NULL indicates no handler is registered for th...
Definition icu.h:28