1/*	$NetBSD: intr.h,v 1.14 2021/11/02 11:26:04 ryo Exp $	*/
2
3/*-
4 * Copyright (c) 2002 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef _HPCSH_INTR_H_
30#define _HPCSH_INTR_H_
31
32#include <sh3/intr.h>
33
34/*
35 * See sys/arch/sh3/sh3/interrupt.c
36 * This was 8 for TMU0, TMU1, TMU2, SCIF * 4, HD6446x.
37 *
38 * For now bump this to 16 so that it's possible to do experiments
39 * with new drivers without hitting this limit.
40 */
41#define _INTR_N		16
42
43#define	IPL_VM		11
44#define	IPL_SCHED	14
45#define	IPL_HIGH	15	/* everything */
46
47#include <hpcsh/dev/hd6446x/hd6446xintcvar.h>
48
49typedef uint8_t ipl_t;
50typedef struct {
51	ipl_t _ipl;
52} ipl_cookie_t;
53
54static inline __always_inline ipl_cookie_t
55makeiplcookie(ipl_t ipl)
56{
57
58	return (ipl_cookie_t){._ipl = ipl << 4};
59}
60
61static inline __always_inline int
62splraiseipl(ipl_cookie_t icookie)
63{
64
65	return hd6446x_intr_raise(icookie._ipl);
66}
67
68#include <sys/spl.h>
69
70#define	spl0()			hd6446x_intr_resume(0)
71#define	splx(x)			hd6446x_intr_resume(x)
72
73#endif /* !_HPCSH_INTR_H_ */
74