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/*
* Interrupt handler Header file for PXA By Yang Xi <hiyangxi@gmail.com>
* Copyright (c) 2004 by Jay Monkman <jtm@lopingdog.com>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*/
#ifndef __IRQ_H__
#define __IRQ_H__
#ifdef __cplusplus
extern "C" {
#endif
#ifndef __asm__
/*
* Include some preprocessor value also used by assember code
*/
#include <rtems.h>
#include <pxa255.h>
extern void default_int_handler();
extern void (*IRQ_table[PRIMARY_IRQS])(uint32_t vector);
extern void dummy_handler(uint32_t vector);
/* vector table used by shared/irq_init.c */
typedef unsigned char rtems_irq_level;
typedef unsigned char rtems_irq_trigger;
struct __rtems_irq_connect_data__; /* forward declaratiuon */
typedef unsigned int rtems_irq_number;
typedef void (*rtems_irq_hdl) (uint32_t vector);
typedef void (*rtems_irq_enable) (const struct __rtems_irq_connect_data__*);
typedef void (*rtems_irq_disable) (const struct __rtems_irq_connect_data__*);
typedef int (*rtems_irq_is_enabled)(const struct __rtems_irq_connect_data__*);
typedef struct __rtems_irq_connect_data__ {
/* IRQ line */
rtems_irq_number name;
/* Handler */
rtems_irq_hdl hdl;
/* function for enabling interrupts at device level. */
rtems_irq_enable on;
/* function for disabling interrupts at device level. */
rtems_irq_disable off;
/* Function to test if interrupt is enabled */
rtems_irq_is_enabled isOn;
/* priority level of interrupt */
rtems_irq_level irqLevel;
/* Trigger method (rising/falling edge or high/low level) */
rtems_irq_trigger irqTrigger;
} rtems_irq_connect_data;
/*
* function to initialize the interrupt for a specific BSP
*/
void BSP_rtems_irq_mngt_init();
/*
* function to connect a particular irq handler.
*/
int BSP_install_rtems_irq_handler (const rtems_irq_connect_data*);
/*
* function to get the current RTEMS irq handler for ptr->name.
*/
int BSP_get_current_rtems_irq_handler (rtems_irq_connect_data* ptr);
/*
* function to disconnect the RTEMS irq handler for ptr->name.
*/
int BSP_remove_rtems_irq_handler (const rtems_irq_connect_data*);
#endif /* __asm__ */
#ifdef __cplusplus
}
#endif
#endif /* __IRQ_H__ */
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