| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
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| 2 | /* |
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| 3 | * Platform profile sysfs interface |
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| 4 | * |
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| 5 | * See Documentation/userspace-api/sysfs-platform_profile.rst for more |
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| 6 | * information. |
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| 7 | */ |
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| 8 | |
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| 9 | #ifndef _PLATFORM_PROFILE_H_ |
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| 10 | #define _PLATFORM_PROFILE_H_ |
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| 11 | |
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| 12 | #include <linux/device.h> |
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| 13 | #include <linux/bitops.h> |
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| 14 | |
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| 15 | /* |
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| 16 | * If more options are added please update profile_names array in |
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| 17 | * platform_profile.c and sysfs-platform_profile documentation. |
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| 18 | */ |
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| 19 | |
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| 20 | enum platform_profile_option { |
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| 21 | PLATFORM_PROFILE_LOW_POWER, |
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| 22 | PLATFORM_PROFILE_COOL, |
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| 23 | PLATFORM_PROFILE_QUIET, |
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| 24 | PLATFORM_PROFILE_BALANCED, |
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| 25 | PLATFORM_PROFILE_BALANCED_PERFORMANCE, |
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| 26 | PLATFORM_PROFILE_PERFORMANCE, |
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| 27 | PLATFORM_PROFILE_MAX_POWER, |
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| 28 | PLATFORM_PROFILE_CUSTOM, |
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| 29 | PLATFORM_PROFILE_LAST, /*must always be last */ |
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| 30 | }; |
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| 31 | |
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| 32 | /** |
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| 33 | * struct platform_profile_ops - platform profile operations |
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| 34 | * @probe: Callback to setup choices available to the new class device. These |
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| 35 | * choices will only be enforced when setting a new profile, not when |
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| 36 | * getting the current one. |
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| 37 | * @hidden_choices: Callback to setup choices that are not visible to the user |
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| 38 | * but can be set by the driver. |
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| 39 | * @profile_get: Callback that will be called when showing the current platform |
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| 40 | * profile in sysfs. |
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| 41 | * @profile_set: Callback that will be called when storing a new platform |
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| 42 | * profile in sysfs. |
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| 43 | */ |
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| 44 | struct platform_profile_ops { |
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| 45 | int (*probe)(void *drvdata, unsigned long *choices); |
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| 46 | int (*hidden_choices)(void *drvdata, unsigned long *choices); |
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| 47 | int (*profile_get)(struct device *dev, enum platform_profile_option *profile); |
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| 48 | int (*profile_set)(struct device *dev, enum platform_profile_option profile); |
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| 49 | }; |
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| 50 | |
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| 51 | struct device *platform_profile_register(struct device *dev, const char *name, |
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| 52 | void *drvdata, |
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| 53 | const struct platform_profile_ops *ops); |
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| 54 | void platform_profile_remove(struct device *dev); |
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| 55 | struct device *devm_platform_profile_register(struct device *dev, const char *name, |
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| 56 | void *drvdata, |
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| 57 | const struct platform_profile_ops *ops); |
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| 58 | int platform_profile_cycle(void); |
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| 59 | void platform_profile_notify(struct device *dev); |
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| 60 | |
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| 61 | #endif /*_PLATFORM_PROFILE_H_*/ |
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| 62 | |
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