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 _LINUXKPI_ACPI_ACPI_BUS_H_
32 #define _LINUXKPI_ACPI_ACPI_BUS_H_
33 
34 typedef char acpi_device_class[20];
35 
36 struct acpi_bus_event {
37 	acpi_device_class device_class;
38 	uint32_t type;
39 	uint32_t data;
40 };
41 
42 ACPI_HANDLE	bsd_acpi_get_handle(device_t bsddev);
43 bool		acpi_check_dsm(ACPI_HANDLE handle, const char *uuid, int rev,
44 		    uint64_t funcs);
45 ACPI_OBJECT *	acpi_evaluate_dsm_typed(ACPI_HANDLE handle, const char *uuid,
46 		    int rev, int func, ACPI_OBJECT *argv4,
47 		    ACPI_OBJECT_TYPE type);
48 int		register_acpi_notifier(struct notifier_block *nb);
49 int		unregister_acpi_notifier(struct notifier_block *nb);
50 uint32_t	acpi_target_system_state(void);
51 
52 #endif /* _LINUXKPI_ACPI_ACPI_BUS_H_ */
53