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