1/*-
2 * Copyright (c) 2015-2016 Ruslan Bukin <br@bsdpad.com>
3 * All rights reserved.
4 *
5 * Portions of this software were developed by SRI International and the
6 * University of Cambridge Computer Laboratory under DARPA/AFRL contract
7 * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme.
8 *
9 * Portions of this software were developed by the University of Cambridge
10 * Computer Laboratory as part of the CTSRD Project, with support from the
11 * UK Higher Education Innovation Fund (HEIF).
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 *    notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 *    notice, this list of conditions and the following disclaimer in the
20 *    documentation and/or other materials provided with the distribution.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * $FreeBSD$
35 */
36
37#ifndef	_MACHINE_INTR_MACHDEP_H_
38#define	_MACHINE_INTR_MACHDEP_H_
39
40struct trapframe;
41
42void riscv_init_interrupts(void);
43int riscv_teardown_intr(void *);
44int riscv_config_intr(u_int, enum intr_trigger, enum intr_polarity);
45int riscv_setup_intr(const char *, driver_filter_t *, driver_intr_t *,
46    void *, int, int, void **);
47void riscv_cpu_intr(struct trapframe *);
48
49typedef unsigned long * riscv_intrcnt_t;
50
51riscv_intrcnt_t riscv_intrcnt_create(const char *);
52void riscv_intrcnt_setname(riscv_intrcnt_t, const char *);
53
54#ifdef SMP
55void riscv_setup_ipihandler(driver_filter_t *);
56void riscv_unmask_ipi(void);
57#endif
58
59enum {
60	IRQ_SOFTWARE,
61	IRQ_TIMER,
62	IRQ_HTIF,
63	IRQ_COP,	/* lowRISC only */
64	IRQ_UART,	/* lowRISC only */
65	NIRQS
66};
67
68#endif /* !_MACHINE_INTR_MACHDEP_H_ */
69