diff options
Diffstat (limited to 'include/linux/platform_profile.h')
-rw-r--r-- | include/linux/platform_profile.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/include/linux/platform_profile.h b/include/linux/platform_profile.h new file mode 100644 index 000000000000..a299225ab92e --- /dev/null +++ b/include/linux/platform_profile.h @@ -0,0 +1,60 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Platform profile sysfs interface + * + * See Documentation/userspace-api/sysfs-platform_profile.rst for more + * information. + */ + +#ifndef _PLATFORM_PROFILE_H_ +#define _PLATFORM_PROFILE_H_ + +#include <linux/device.h> +#include <linux/bitops.h> + +/* + * If more options are added please update profile_names array in + * platform_profile.c and sysfs-platform_profile documentation. + */ + +enum platform_profile_option { + PLATFORM_PROFILE_LOW_POWER, + PLATFORM_PROFILE_COOL, + PLATFORM_PROFILE_QUIET, + PLATFORM_PROFILE_BALANCED, + PLATFORM_PROFILE_BALANCED_PERFORMANCE, + PLATFORM_PROFILE_PERFORMANCE, + PLATFORM_PROFILE_CUSTOM, + PLATFORM_PROFILE_LAST, /*must always be last */ +}; + +/** + * struct platform_profile_ops - platform profile operations + * @probe: Callback to setup choices available to the new class device. These + * choices will only be enforced when setting a new profile, not when + * getting the current one. + * @hidden_choices: Callback to setup choices that are not visible to the user + * but can be set by the driver. + * @profile_get: Callback that will be called when showing the current platform + * profile in sysfs. + * @profile_set: Callback that will be called when storing a new platform + * profile in sysfs. + */ +struct platform_profile_ops { + int (*probe)(void *drvdata, unsigned long *choices); + int (*hidden_choices)(void *drvdata, unsigned long *choices); + int (*profile_get)(struct device *dev, enum platform_profile_option *profile); + int (*profile_set)(struct device *dev, enum platform_profile_option profile); +}; + +struct device *platform_profile_register(struct device *dev, const char *name, + void *drvdata, + const struct platform_profile_ops *ops); +void platform_profile_remove(struct device *dev); +struct device *devm_platform_profile_register(struct device *dev, const char *name, + void *drvdata, + const struct platform_profile_ops *ops); +int platform_profile_cycle(void); +void platform_profile_notify(struct device *dev); + +#endif /*_PLATFORM_PROFILE_H_*/ |