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/* $NetBSD: intr.h,v 1.5 1996/05/13 06:11:28 mycroft Exp $ */
/*-
* Copyright (c) 1996 Charles M. Hannum. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Charles M. Hannum.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* JNPR: intr.h,v 1.4 2007/08/09 11:23:32 katta
* $FreeBSD$
*/
#ifndef _MACHINE_INTR_H_
#define _MACHINE_INTR_H_
/* Interrupt sharing types. */
#define IST_NONE 0 /* none */
#define IST_PULSE 1 /* pulsed */
#define IST_EDGE 2 /* edge-triggered */
#define IST_LEVEL 3 /* level-triggered */
#ifndef _LOCORE
/*
* Index into intrcnt[], which is defined in exceptions.S
* Index # = irq # - 1
*/
#define INTRCNT_HARDCLOCK 0
#define INTRCNT_RTC 1
#define INTRCNT_SIO 2 /* irq 3 */
#define INTRCNT_PE 3 /* irq 4 */
#define INTRCNT_PICNIC 4 /* irq 5 */
extern uint32_t idle_mask;
extern void (*mips_ack_interrupt)(int, uint32_t);
typedef int ih_func_t(void *);
struct intr_event;
struct mips_intr_handler {
int (*ih_func) (void *);
void *ih_arg;
struct intr_event *ih_event;
u_int ih_flags;
volatile long *ih_count;
int ih_level;
int ih_irq;
void *frame;
};
extern struct mips_intr_handler intr_handlers[];
typedef void (*mask_fn)(void *);
void mips_mask_irq(void);
void mips_unmask_irq(void);
struct trapframe;
void mips_set_intr(int pri, uint32_t mask,
uint32_t (*int_hand)(uint32_t, struct trapframe *));
uint32_t mips_handle_interrupts(uint32_t pending, struct trapframe *cf);
void intr_enable_source(uintptr_t irq);
struct trapframe * mips_get_trapframe(void *ih_arg);
int inthand_add(const char *name, u_int irq, void (*handler)(void *),
void *arg, int flags, void **cookiep);
int inthand_remove(u_int irq, void *cookie);
void bvif_attach(void);
#endif /* _LOCORE */
#endif /* !_MACHINE_INTR_H_ */
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