Quelle platform_profile.h Sprache: C

/* 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_*/

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