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      1 /*	$NetBSD: intr.h,v 1.39 2024/01/19 03:09:04 thorpej Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2024 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _HP300_INTR_H_
     33 #define _HP300_INTR_H_
     34 
     35 #ifdef _KERNEL
     36 
     37 #include <m68k/psl.h>
     38 
     39 #define	MACHINE_PSL_IPL_SOFTCLOCK	PSL_IPL1
     40 #define	MACHINE_PSL_IPL_SOFTBIO		PSL_IPL1
     41 #define	MACHINE_PSL_IPL_SOFTNET		PSL_IPL1
     42 #define	MACHINE_PSL_IPL_SOFTSERIAL	PSL_IPL1
     43 #define	MACHINE_PSL_IPL_VM		PSL_IPL5
     44 #define	MACHINE_PSL_IPL_SCHED		PSL_IPL6
     45 
     46 #define	MACHINE_INTREVCNT_NAMES						\
     47 	{ "spurious", "lev1", "lev2", "lev3", "lev4", "lev5", "clock", "nmi" }
     48 
     49 #if defined(_M68K_INTR_PRIVATE) && defined(_KERNEL_OPT)
     50 #include "audio.h"
     51 #if NAUDIO > 0
     52 /*
     53  * Audio interrupts also come in on level 6, and those are dispatched
     54  * from a custom stub which handles the clock inline before calling the
     55  * general interrupt dispatch.  We want to suppress warning about stray
     56  * level 6 interrupts in the common code in case the clock interrupted
     57  * but audio did not.
     58  */
     59 #define	MACHINE_AUTOVEC_IGNORE_STRAY(x)	((x) == 6)
     60 #endif
     61 #endif
     62 
     63 #endif /* _KERNEL */
     64 
     65 #include <m68k/intr.h>
     66 
     67 #ifdef _KERNEL
     68 
     69 #ifdef _M68K_INTR_PRIVATE
     70 struct hp300_intrhand {
     71 	struct m68k_intrhand       ih_super;
     72 	LIST_ENTRY(hp300_intrhand) ih_dio_link;
     73 };
     74 #endif
     75 
     76 /* These spl calls are _not_ to be used by machine-independent code. */
     77 #define	splhil()	splraise1()
     78 #define	splkbd()	splhil()
     79 
     80 /*
     81  * Interface wrappers.
     82  */
     83 
     84 static inline void *
     85 intr_establish(int (*func)(void *), void *arg, int ipl, int isrpri)
     86 {
     87 	return m68k_intr_establish(func, arg, (void *)0, 0, ipl, isrpri, 0);
     88 }
     89 
     90 static inline void
     91 intr_disestablish(void *ih)
     92 {
     93 	m68k_intr_disestablish(ih);
     94 }
     95 
     96 #endif /* _KERNEL */
     97 
     98 #endif	/* _HP300_INTR_H */
     99