/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved. * Copyright (C) 2018-2024 Linaro Ltd. */#ifndef _IPA_POWER_H_#define _IPA_POWER_H_ #include <linux/types.h> struct device; struct ipa;struct ipa_power_data; /* IPA device power management function block */extern const struct dev_pm_ops ipa_pm_ops; /** * ipa_core_clock_rate() - Return the current IPA core clock rate * @ipa:	IPA structure * * Return: The current clock rate (in Hz), or 0. */u32 ipa_core_clock_rate(struct ipa *ipa); /** * ipa_power_retention() - Control register retention on power collapse * @ipa:	IPA pointer * @enable:	Whether retention should be enabled or disabled */void ipa_power_retention(struct ipa *ipa, bool enable); /** * ipa_power_init() - Initialize IPA power management * @dev:	IPA device * @data:	Clock configuration data * * Return:	A pointer to an ipa_power structure, or a pointer-coded error */struct ipa_power *ipa_power_init(struct device *dev,				 const struct ipa_power_data *data); /** * ipa_power_exit() - Inverse of ipa_power_init() * @power:	IPA power pointer */void ipa_power_exit(struct ipa_power *power); #endif /* _IPA_POWER_H_ */