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/bitops.h>
13 
14 /*
15  * If more options are added please update profile_names array in
16  * platform_profile.c and sysfs-platform_profile documentation.
17  */
18 
19 enum platform_profile_option {
20 	PLATFORM_PROFILE_LOW_POWER,
21 	PLATFORM_PROFILE_COOL,
22 	PLATFORM_PROFILE_QUIET,
23 	PLATFORM_PROFILE_BALANCED,
24 	PLATFORM_PROFILE_BALANCED_PERFORMANCE,
25 	PLATFORM_PROFILE_PERFORMANCE,
26 	PLATFORM_PROFILE_CUSTOM,
27 	PLATFORM_PROFILE_LAST, /*must always be last */
28 };
29 
30 struct platform_profile_handler {
31 	const char *name;
32 	struct device *dev;
33 	struct device *class_dev;
34 	int minor;
35 	unsigned long choices[BITS_TO_LONGS(PLATFORM_PROFILE_LAST)];
36 	int (*profile_get)(struct platform_profile_handler *pprof,
37 				enum platform_profile_option *profile);
38 	int (*profile_set)(struct platform_profile_handler *pprof,
39 				enum platform_profile_option profile);
40 };
41 
42 int platform_profile_register(struct platform_profile_handler *pprof);
43 int platform_profile_remove(struct platform_profile_handler *pprof);
44 int devm_platform_profile_register(struct platform_profile_handler *pprof);
45 int platform_profile_cycle(void);
46 void platform_profile_notify(struct platform_profile_handler *pprof);
47 
48 #endif  /*_PLATFORM_PROFILE_H_*/
49