38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* (C) Copyright 2007 Michal Simek
|
|
*
|
|
* Michal SIMEK <monstr@monstr.cz>
|
|
*/
|
|
|
|
#include <irq_func.h>
|
|
|
|
typedef volatile struct microblaze_intc_t {
|
|
int isr; /* interrupt status register */
|
|
int ipr; /* interrupt pending register */
|
|
int ier; /* interrupt enable register */
|
|
int iar; /* interrupt acknowledge register */
|
|
int sie; /* set interrupt enable bits */
|
|
int cie; /* clear interrupt enable bits */
|
|
int ivr; /* interrupt vector register */
|
|
int mer; /* master enable register */
|
|
} microblaze_intc_t;
|
|
|
|
struct irq_action {
|
|
interrupt_handler_t *handler; /* pointer to interrupt rutine */
|
|
void *arg;
|
|
int count; /* number of interrupt */
|
|
};
|
|
|
|
/**
|
|
* Register and unregister interrupt handler rutines
|
|
*
|
|
* @param irq IRQ number
|
|
* @param hdlr Interrupt handler rutine
|
|
* @param arg Pointer to argument which is passed to int. handler rutine
|
|
* @return 0 if registration pass, 1 if unregistration pass,
|
|
* or an error code < 0 otherwise
|
|
*/
|
|
int install_interrupt_handler(int irq, interrupt_handler_t *hdlr,
|
|
void *arg);
|