xref: /freebsd/sys/compat/linuxkpi/common/include/linux/pm.h (revision c07d6445eb89d9dd3950361b065b7bd110e3a043)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2020 The FreeBSD Foundation
5  *
6  * This software was developed by Björn Zeeb under sponsorship from
7  * the FreeBSD Foundation.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  *
30  * $FreeBSD$
31  */
32 
33 #ifndef	_LINUXKPI_LINUX_PM_H
34 #define	_LINUXKPI_LINUX_PM_H
35 
36 #include <asm/atomic.h>
37 
38 /* Needed but breaks linux_usb.c */
39 /* #include <linux/completion.h> */
40 /* #include <linux/wait.h> */
41 
42 typedef struct pm_message {
43 	int event;
44 } pm_message_t;
45 
46 struct dev_pm_domain {
47 };
48 
49 struct dev_pm_info {
50 	atomic_t usage_count;
51 };
52 
53 #define	PM_EVENT_FREEZE		0x0001
54 #define	PM_EVENT_SUSPEND	0x0002
55 
56 #define	pm_sleep_ptr(_p)					\
57     IS_ENABLED(CONFIG_PM_SLEEP) ? (_p) : NULL
58 
59 #ifdef CONFIG_PM_SLEEP
60 #define	SIMPLE_DEV_PM_OPS(_name, _suspendfunc, _resumefunc)	\
61 const struct dev_pm_ops _name = {				\
62 	.suspend	= _suspendfunc,		\
63 	.resume		= _resumefunc,		\
64 	.freeze		= _suspendfunc,		\
65 	.thaw		= _resumefunc,		\
66 	.poweroff	= _suspendfunc,		\
67 	.restore	= _resumefunc,		\
68 }
69 
70 #define	DEFINE_SIMPLE_DEV_PM_OPS(_name, _suspendfunc, _resumefunc) \
71 const struct dev_pm_ops _name = {				\
72 	.suspend	= _suspendfunc,		\
73 	.resume		= _resumefunc,		\
74 	.freeze		= _suspendfunc,		\
75 	.thaw		= _resumefunc,		\
76 	.poweroff	= _suspendfunc,		\
77 	.restore	= _resumefunc,		\
78 }
79 #else
80 #define	SIMPLE_DEV_PM_OPS(_name, _suspendfunc, _resumefunc)	\
81 const struct dev_pm_ops _name = {				\
82 }
83 #define	DEFINE_SIMPLE_DEV_PM_OPS(_name, _suspendfunc, _resumefunc) \
84 const struct dev_pm_ops _name = {				\
85 }
86 #endif
87 
88 #endif	/* _LINUXKPI_LINUX_PM_H */
89