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
31 #ifndef _LINUXKPI_LINUX_PM_H
32 #define _LINUXKPI_LINUX_PM_H
33
34 #include <linux/kernel.h> /* pr_debug */
35 #include <asm/atomic.h>
36
37 /* Needed but breaks linux_usb.c */
38 /* #include <linux/completion.h> */
39 /* #include <linux/wait.h> */
40
41 struct device;
42
43 typedef struct pm_message {
44 int event;
45 } pm_message_t;
46
47 struct dev_pm_domain {
48 };
49
50 struct dev_pm_info {
51 atomic_t usage_count;
52 };
53
54 #define PM_EVENT_FREEZE 0x0001
55 #define PM_EVENT_SUSPEND 0x0002
56
57 #define pm_sleep_ptr(_p) \
58 IS_ENABLED(CONFIG_PM_SLEEP) ? (_p) : NULL
59
60 #ifdef CONFIG_PM_SLEEP
61 #define SIMPLE_DEV_PM_OPS(_name, _suspendfunc, _resumefunc) \
62 const struct dev_pm_ops _name = { \
63 .suspend = _suspendfunc, \
64 .resume = _resumefunc, \
65 .freeze = _suspendfunc, \
66 .thaw = _resumefunc, \
67 .poweroff = _suspendfunc, \
68 .restore = _resumefunc, \
69 }
70
71 #define DEFINE_SIMPLE_DEV_PM_OPS(_name, _suspendfunc, _resumefunc) \
72 const struct dev_pm_ops _name = { \
73 .suspend = _suspendfunc, \
74 .resume = _resumefunc, \
75 .freeze = _suspendfunc, \
76 .thaw = _resumefunc, \
77 .poweroff = _suspendfunc, \
78 .restore = _resumefunc, \
79 }
80 #else
81 #define SIMPLE_DEV_PM_OPS(_name, _suspendfunc, _resumefunc) \
82 const struct dev_pm_ops _name = { \
83 }
84 #define DEFINE_SIMPLE_DEV_PM_OPS(_name, _suspendfunc, _resumefunc) \
85 const struct dev_pm_ops _name = { \
86 }
87 #endif
88
89 static inline void
pm_wakeup_event(struct device * dev __unused,unsigned int x __unused)90 pm_wakeup_event(struct device *dev __unused, unsigned int x __unused)
91 {
92
93 pr_debug("%s: TODO\n", __func__);
94 }
95
96 #endif /* _LINUXKPI_LINUX_PM_H */
97