Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
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* Copyright (C) 2018-2024 Linaro Ltd.
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*/
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#ifndef _IPA_POWER_H_
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#define _IPA_POWER_H_
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#include <linux/types.h>
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struct device;
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struct ipa;
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struct ipa_power_data;
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/* IPA device power management function block */
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extern const struct dev_pm_ops ipa_pm_ops;
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/**
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* ipa_core_clock_rate() - Return the current IPA core clock rate
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* @ipa: IPA structure
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*
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* Return: The current clock rate (in Hz), or 0.
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*/
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u32 ipa_core_clock_rate(struct ipa *ipa);
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/**
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* ipa_power_retention() - Control register retention on power collapse
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* @ipa: IPA pointer
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* @enable: Whether retention should be enabled or disabled
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*/
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void ipa_power_retention(struct ipa *ipa, bool enable);
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/**
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* ipa_power_init() - Initialize IPA power management
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* @dev: IPA device
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* @data: Clock configuration data
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*
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* Return: A pointer to an ipa_power structure, or a pointer-coded error
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*/
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struct ipa_power *ipa_power_init(struct device *dev,
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const struct ipa_power_data *data);
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/**
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* ipa_power_exit() - Inverse of ipa_power_init()
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* @power: IPA power pointer
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*/
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void ipa_power_exit(struct ipa_power *power);
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#endif /* _IPA_POWER_H_ */
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