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irqhandler.h revision 1.3.8.3
      1  1.3.8.3  nathanw /*	$NetBSD: irqhandler.h,v 1.3.8.3 2002/04/17 00:03:03 nathanw Exp $	*/
      2  1.3.8.2  nathanw 
      3  1.3.8.2  nathanw /*
      4  1.3.8.2  nathanw  * Copyright (c) 1994-1996 Mark Brinicombe.
      5  1.3.8.2  nathanw  * Copyright (c) 1994 Brini.
      6  1.3.8.2  nathanw  * All rights reserved.
      7  1.3.8.2  nathanw  *
      8  1.3.8.2  nathanw  * This code is derived from software written for Brini by Mark Brinicombe
      9  1.3.8.2  nathanw  *
     10  1.3.8.2  nathanw  * Redistribution and use in source and binary forms, with or without
     11  1.3.8.2  nathanw  * modification, are permitted provided that the following conditions
     12  1.3.8.2  nathanw  * are met:
     13  1.3.8.2  nathanw  * 1. Redistributions of source code must retain the above copyright
     14  1.3.8.2  nathanw  *    notice, this list of conditions and the following disclaimer.
     15  1.3.8.2  nathanw  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.3.8.2  nathanw  *    notice, this list of conditions and the following disclaimer in the
     17  1.3.8.2  nathanw  *    documentation and/or other materials provided with the distribution.
     18  1.3.8.2  nathanw  * 3. All advertising materials mentioning features or use of this software
     19  1.3.8.2  nathanw  *    must display the following acknowledgement:
     20  1.3.8.2  nathanw  *	This product includes software developed by Mark Brinicombe
     21  1.3.8.2  nathanw  *	for the NetBSD Project.
     22  1.3.8.2  nathanw  * 4. The name of the company nor the name of the author may be used to
     23  1.3.8.2  nathanw  *    endorse or promote products derived from this software without specific
     24  1.3.8.2  nathanw  *    prior written permission.
     25  1.3.8.2  nathanw  *
     26  1.3.8.2  nathanw  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
     27  1.3.8.2  nathanw  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     28  1.3.8.2  nathanw  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     29  1.3.8.2  nathanw  * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
     30  1.3.8.2  nathanw  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     31  1.3.8.2  nathanw  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     32  1.3.8.2  nathanw  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     33  1.3.8.2  nathanw  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     34  1.3.8.2  nathanw  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     35  1.3.8.2  nathanw  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     36  1.3.8.2  nathanw  * SUCH DAMAGE.
     37  1.3.8.2  nathanw  *
     38  1.3.8.2  nathanw  * IRQ related stuff (defines + structures)
     39  1.3.8.2  nathanw  *
     40  1.3.8.2  nathanw  * Created      : 30/09/94
     41  1.3.8.2  nathanw  */
     42  1.3.8.2  nathanw 
     43  1.3.8.2  nathanw #ifndef _HPCARM_IRQHANDLER_H_
     44  1.3.8.2  nathanw #define _HPCARM_IRQHANDLER_H_
     45  1.3.8.2  nathanw 
     46  1.3.8.2  nathanw #ifndef _LOCORE
     47  1.3.8.2  nathanw #include <sys/types.h>
     48  1.3.8.2  nathanw #endif /* _LOCORE */
     49  1.3.8.2  nathanw 
     50  1.3.8.2  nathanw /* Define the IRQ bits */
     51  1.3.8.2  nathanw 
     52  1.3.8.2  nathanw #define IRQ_VSYNC	IRQ_FLYBACK	/* Aliased */
     53  1.3.8.2  nathanw #define IRQ_NETSLOT	IRQ_EXTENDED
     54  1.3.8.2  nathanw 
     55  1.3.8.2  nathanw #define IRQ_INSTRUCT	-1
     56  1.3.8.2  nathanw /* XXX ICU_LEN is used for the same purpose. Either one should be nuked */
     57  1.3.8.2  nathanw #define NIRQS		0x20
     58  1.3.8.2  nathanw 
     59  1.3.8.2  nathanw #include <machine/intr.h>
     60  1.3.8.2  nathanw 
     61  1.3.8.2  nathanw #ifndef _LOCORE
     62  1.3.8.2  nathanw typedef struct irqhandler {
     63  1.3.8.2  nathanw 	int (*ih_func) __P((void *arg));/* handler function */
     64  1.3.8.2  nathanw 	void *ih_arg;			/* Argument to handler */
     65  1.3.8.2  nathanw 	int ih_level;			/* Interrupt level */
     66  1.3.8.2  nathanw 	int ih_count;			/* Interrupt number (for accounting) */
     67  1.3.8.2  nathanw 	int ih_irq;			/* Interrupt register pin */
     68  1.3.8.2  nathanw 	const char *ih_name;		/* Name of interrupt (for vmstat -i) */
     69  1.3.8.2  nathanw 	u_int ih_flags;			/* Interrupt flags */
     70  1.3.8.2  nathanw 	u_int ih_maskaddr;		/* mask address for expansion cards */
     71  1.3.8.2  nathanw 	u_int ih_maskbits;		/* interrupt bit for expansion cards */
     72  1.3.8.2  nathanw 	struct irqhandler *ih_next;	/* next handler */
     73  1.3.8.2  nathanw } irqhandler_t;
     74  1.3.8.2  nathanw 
     75  1.3.8.2  nathanw #ifdef _KERNEL
     76  1.3.8.2  nathanw extern u_int imask[NIPL];
     77  1.3.8.2  nathanw extern irqhandler_t *irqhandlers[NIRQS];
     78  1.3.8.2  nathanw 
     79  1.3.8.2  nathanw void irq_init __P((void));
     80  1.3.8.2  nathanw void irq_setmasks __P((void));
     81  1.3.8.2  nathanw void disable_irq __P((int));
     82  1.3.8.2  nathanw void enable_irq __P((int));
     83  1.3.8.2  nathanw #endif	/* _KERNEL */
     84  1.3.8.2  nathanw #endif	/* _LOCORE */
     85  1.3.8.2  nathanw 
     86  1.3.8.2  nathanw #define IRQ_FLAG_ACTIVE 0x00000001	/* This is the active handler in list */
     87  1.3.8.2  nathanw 
     88  1.3.8.2  nathanw #endif	/* _HPCARM_IRQHANDLER_H_ */
     89  1.3.8.2  nathanw 
     90  1.3.8.2  nathanw /* End of irqhandler.h */
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