80 lines
2 KiB
C
Executable file
80 lines
2 KiB
C
Executable file
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* (C) COPYRIGHT 2021 Samsung Electronics Inc. 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 licence.
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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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#ifndef _MALI_EXYNOS_IFPO_H_
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#define _MALI_EXYNOS_IFPO_H_
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typedef enum ifpo_mode {
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IFPO_DISABLED = 0,
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IFPO_ENABLED,
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} ifpo_mode;
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typedef enum ifpo_state {
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IFPO_POWER_DOWN = 0,
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IFPO_POWER_UP,
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} ifpo_status;
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/**
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* gpex_ifpo_init() - Initialize IFPO module
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*
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* Initializes to enabled and powered-on state
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*
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* Return: 0 on success
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*/
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int gpex_ifpo_init(void);
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/**
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* gpex_ifpo_init() - Terminate IFPO module
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*/
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void gpex_ifpo_term(void);
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/**
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* gpex_ifpo_power_up() - power on the gpu from ifpo power down state
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*
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* Context: takes gpex_clock_lock (if clock module enabled)
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*
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* Return: 0 on success
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*/
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int gpex_ifpo_power_up(void);
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/**
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* gpex_ifpo_power_down() - power off the gpu from ifpo power up state
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*
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* Context: takes gpex_clock_lock (if clock module enabled)
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*
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* Return: 0 on success
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*/
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int gpex_ifpo_power_down(void);
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/**
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* gpex_ifpo_get_status() - get current GPU power state as controlled by IFPO
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*
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* Return: IFPO power state of enum type ifpo_status (gpu powered up or down)
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*/
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ifpo_status gpex_ifpo_get_status(void);
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/**
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* gpex_ifpo_get_mode() - get current IFPO mode (enabled or disabled)
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*
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* Return: IFPO mode (enabled or disabled)
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*/
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ifpo_mode gpex_ifpo_get_mode(void);
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#endif /* _MALI_EXYNOS_IFPO_H_ */
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