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-rw-r--r--include/linux/platform_profile.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/include/linux/platform_profile.h b/include/linux/platform_profile.h
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+++ b/include/linux/platform_profile.h
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+/* 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_*/