kernel_samsung_a53x/drivers/gpu/arm/exynos/include/gpexbe_qos.h
2024-06-15 16:02:09 -03:00

76 lines
2.2 KiB
C
Executable file

/* SPDX-License-Identifier: GPL-2.0 */
/*
* (C) COPYRIGHT 2021 Samsung Electronics Inc. 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 licence.
*
* 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 _GPEXBE_QOS_H_
#define _GPEXBE_QOS_H_
#include <linux/types.h>
typedef enum {
PMQOS_MIN = 1 << 0,
PMQOS_MAX = 1 << 1,
PMQOS_LITTLE = 1 << 2,
PMQOS_MIDDLE = 1 << 3,
PMQOS_BIG = 1 << 4,
PMQOS_MIF = 1 << 5,
} mali_pmqos_flags;
/**
* gpexbe_qos_init() - initializes quality of service (qos) backend module
*
* Return: 0 on successs
*/
int gpexbe_qos_init(void);
/**
* gpexbe_qos_term() - terminates quality of service (qos) backend module
*/
void gpexbe_qos_term(void);
/**
* gpexbe_qos_request_add() - add/registers qos requests to other IPs
* @type: type of QOS to add (e.g: MIF, LITTLE CPU, MIN, MAX etc)
*
* Meant to be called once during initialization process during boot
*/
void gpexbe_qos_request_add(mali_pmqos_flags type);
/**
* gpexbe_qos_request_remove() - remove/unregisters qos requests to other IPs
* @type: type of QOS to remove (e.g: MIF, LITTLE CPU, MIN, MAX etc)
*
* Meant to be called once during termination process during boot
*/
void gpexbe_qos_request_remove(mali_pmqos_flags type);
/**
* gpexbe_qos_request_update() - request QOS to other IPs
* @type: type of QOS request (IP and Min or Max lock)
* @clock: value of clock to request to target IP
*/
void gpexbe_qos_request_update(mali_pmqos_flags type, s32 clock);
/**
* gpexbe_qos_request_unset() - unset QOS to other IPs
* @type: type of QOS request to unset
*/
void gpexbe_qos_request_unset(mali_pmqos_flags type);
#endif /* _GPEXBE_QOS_H_ */