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_LAST, /*must always be last */
27 };
28 
29 struct platform_profile_handler {
30 	const char *name;
31 	struct device *dev;
32 	unsigned long choices[BITS_TO_LONGS(PLATFORM_PROFILE_LAST)];
33 	int (*profile_get)(struct platform_profile_handler *pprof,
34 				enum platform_profile_option *profile);
35 	int (*profile_set)(struct platform_profile_handler *pprof,
36 				enum platform_profile_option profile);
37 };
38 
39 int platform_profile_register(struct platform_profile_handler *pprof);
40 int platform_profile_remove(struct platform_profile_handler *pprof);
41 int platform_profile_cycle(void);
42 void platform_profile_notify(void);
43 
44 #endif  /*_PLATFORM_PROFILE_H_*/
45