/* $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_ */