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
70struct 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
84static inline void *
85intr_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
90static inline void
91intr_disestablish(void *ih)
92{
93	m68k_intr_disestablish(ih);
94}
95
96#endif /* _KERNEL */
97
98#endif	/* _HP300_INTR_H */
99