1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2020 Vladimir Kondratyev <wulf@FreeBSD.org>
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in
13 *    the documentation and/or other materials provided with the
14 *    distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD$
29 */
30
31#ifndef _ACPI_ACPI_BUS_H_
32#define _ACPI_ACPI_BUS_H_
33
34typedef char acpi_device_class[20];
35
36struct acpi_bus_event {
37	acpi_device_class device_class;
38	uint32_t type;
39	uint32_t data;
40};
41
42ACPI_HANDLE	bsd_acpi_get_handle(device_t bsddev);
43bool		acpi_check_dsm(ACPI_HANDLE handle, const char *uuid, int rev,
44		    uint64_t funcs);
45ACPI_OBJECT *	acpi_evaluate_dsm_typed(ACPI_HANDLE handle, const char *uuid,
46		    int rev, int func, ACPI_OBJECT *argv4,
47		    ACPI_OBJECT_TYPE type);
48int		register_acpi_notifier(struct notifier_block *nb);
49int		unregister_acpi_notifier(struct notifier_block *nb);
50uint32_t	acpi_target_system_state(void);
51
52#endif /* !_ACPI_ACPI_BUS_H_ */
53