/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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*
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* (C) COPYRIGHT 2014, 2019-2021 ARM Limited. All rights reserved.
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*
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* This program is free software and is provided to you under the terms of the
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* GNU General Public License version 2 as published by the Free Software
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* Foundation, and any use by you of this program is subject to the terms
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* of such GNU license.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you can access it online at
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* http://www.gnu.org/licenses/gpl-2.0.html.
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*
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*/
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#ifndef _BASE_DEVFREQ_H_
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#define _BASE_DEVFREQ_H_
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int kbase_devfreq_init(struct kbase_device *kbdev);
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void kbase_devfreq_term(struct kbase_device *kbdev);
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int kbase_devfreq_opp_helper(struct dev_pm_set_opp_data *data);
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/**
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* kbase_devfreq_force_freq - Set GPU frequency on L2 power on/off.
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* @kbdev: Device pointer
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* @freq: GPU frequency in HZ to be set when
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* MALI_HW_ERRATA_1485982_USE_CLOCK_ALTERNATIVE is enabled
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*/
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void kbase_devfreq_force_freq(struct kbase_device *kbdev, unsigned long freq);
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/**
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* kbase_devfreq_enqueue_work - Enqueue a work item for suspend/resume devfreq.
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* @kbdev: Device pointer
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* @work_type: The type of the devfreq work item, i.e. suspend or resume
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*/
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void kbase_devfreq_enqueue_work(struct kbase_device *kbdev,
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enum kbase_devfreq_work_type work_type);
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/**
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* kbase_devfreq_opp_translate - Translate nominal OPP frequency from devicetree
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* into real frequency & voltage pair, along with
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* core mask
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* @kbdev: Device pointer
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* @freq: Nominal frequency
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* @core_mask: Pointer to u64 to store core mask to
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* @freqs: Pointer to array of frequencies
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* @volts: Pointer to array of voltages
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*
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* This function will only perform translation if an operating-points-v2-mali
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* table is present in devicetree. If one is not present then it will return an
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* untranslated frequency (and corresponding voltage) and all cores enabled.
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* The voltages returned are in micro Volts (uV).
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*/
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void kbase_devfreq_opp_translate(struct kbase_device *kbdev, unsigned long freq,
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u64 *core_mask, unsigned long *freqs, unsigned long *volts);
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#endif /* _BASE_DEVFREQ_H_ */
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