91 lines
3.2 KiB
C
91 lines
3.2 KiB
C
/* $NetBSD: irqhandler.h,v 1.5 2002/04/12 18:50:33 thorpej Exp $ */
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/*
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* Copyright (c) 1994-1996 Mark Brinicombe.
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* Copyright (c) 1994 Brini.
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* All rights reserved.
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*
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* This code is derived from software written for Brini by Mark Brinicombe
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Mark Brinicombe
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* for the NetBSD Project.
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* 4. The name of the company nor the name of the author may be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* IRQ related stuff (defines + structures)
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*
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* Created : 30/09/94
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*/
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#ifndef _HPCARM_IRQHANDLER_H_
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#define _HPCARM_IRQHANDLER_H_
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#ifndef _LOCORE
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#include <sys/types.h>
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#endif /* _LOCORE */
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/* Define the IRQ bits */
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#define IRQ_VSYNC IRQ_FLYBACK /* Aliased */
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#define IRQ_NETSLOT IRQ_EXTENDED
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#define IRQ_INSTRUCT -1
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/* XXX ICU_LEN is used for the same purpose. Either one should be nuked */
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#define NIRQS 0x20
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#include <machine/intr.h>
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#ifndef _LOCORE
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typedef struct irqhandler {
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int (*ih_func) __P((void *arg));/* handler function */
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void *ih_arg; /* Argument to handler */
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int ih_level; /* Interrupt level */
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int ih_count; /* Interrupt number (for accounting) */
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int ih_irq; /* Interrupt register pin */
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const char *ih_name; /* Name of interrupt (for vmstat -i) */
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u_int ih_flags; /* Interrupt flags */
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u_int ih_maskaddr; /* mask address for expansion cards */
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u_int ih_maskbits; /* interrupt bit for expansion cards */
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struct irqhandler *ih_next; /* next handler */
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} irqhandler_t;
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#ifdef _KERNEL
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extern u_int imask[NIPL];
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extern irqhandler_t *irqhandlers[NIRQS];
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void irq_init __P((void));
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void irq_setmasks __P((void));
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void disable_irq __P((int));
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void enable_irq __P((int));
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#endif /* _KERNEL */
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#endif /* _LOCORE */
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#define IRQ_FLAG_ACTIVE 0x00000001 /* This is the active handler in list */
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#endif /* _HPCARM_IRQHANDLER_H_ */
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/* End of irqhandler.h */
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