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Linux kernel mirror (for testing)
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linux
1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Platform profile sysfs interface
4 *
5 * See Documentation/userspace-api/sysfs-platform_profile.rst for more
6 * information.
7 */
8
9#ifndef _PLATFORM_PROFILE_H_
10#define _PLATFORM_PROFILE_H_
11
12#include <linux/device.h>
13#include <linux/bitops.h>
14
15/*
16 * If more options are added please update profile_names array in
17 * platform_profile.c and sysfs-platform_profile documentation.
18 */
19
20enum platform_profile_option {
21 PLATFORM_PROFILE_LOW_POWER,
22 PLATFORM_PROFILE_COOL,
23 PLATFORM_PROFILE_QUIET,
24 PLATFORM_PROFILE_BALANCED,
25 PLATFORM_PROFILE_BALANCED_PERFORMANCE,
26 PLATFORM_PROFILE_PERFORMANCE,
27 PLATFORM_PROFILE_CUSTOM,
28 PLATFORM_PROFILE_LAST, /*must always be last */
29};
30
31/**
32 * struct platform_profile_ops - platform profile operations
33 * @probe: Callback to setup choices available to the new class device. These
34 * choices will only be enforced when setting a new profile, not when
35 * getting the current one.
36 * @profile_get: Callback that will be called when showing the current platform
37 * profile in sysfs.
38 * @profile_set: Callback that will be called when storing a new platform
39 * profile in sysfs.
40 */
41struct platform_profile_ops {
42 int (*probe)(void *drvdata, unsigned long *choices);
43 int (*profile_get)(struct device *dev, enum platform_profile_option *profile);
44 int (*profile_set)(struct device *dev, enum platform_profile_option profile);
45};
46
47struct device *platform_profile_register(struct device *dev, const char *name,
48 void *drvdata,
49 const struct platform_profile_ops *ops);
50int platform_profile_remove(struct device *dev);
51struct device *devm_platform_profile_register(struct device *dev, const char *name,
52 void *drvdata,
53 const struct platform_profile_ops *ops);
54int platform_profile_cycle(void);
55void platform_profile_notify(struct device *dev);
56
57#endif /*_PLATFORM_PROFILE_H_*/