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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
*
* (C) COPYRIGHT 2014, 2018-2021 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 _KBASE_BACKEND_TIME_H_
#define _KBASE_BACKEND_TIME_H_
/**
* kbase_backend_get_gpu_time() - Get current GPU time
* @kbdev: Device pointer
* @cycle_counter: Pointer to u64 to store cycle counter in.
* @system_time: Pointer to u64 to store system time in
* @ts: Pointer to struct timespec to store current monotonic
* time in
*/
void kbase_backend_get_gpu_time(struct kbase_device *kbdev, u64 *cycle_counter,
u64 *system_time, struct timespec64 *ts);
/**
* kbase_backend_get_gpu_time_norequest() - Get current GPU time without
* request/release cycle counter
* @kbdev: Device pointer
* @cycle_counter: Pointer to u64 to store cycle counter in
* @system_time: Pointer to u64 to store system time in
* @ts: Pointer to struct timespec to store current monotonic
* time in
*/
void kbase_backend_get_gpu_time_norequest(struct kbase_device *kbdev,
u64 *cycle_counter,
u64 *system_time,
struct timespec64 *ts);
#endif /* _KBASE_BACKEND_TIME_H_ */
/**
* kbase_get_timeout_ms - Choose a timeout value to get a timeout scaled
* GPU frequency, using a choice from
* kbase_timeout_selector.
*
* @kbdev: KBase device pointer.
* @selector: Value from kbase_scaled_timeout_selector enum.
*
* Return: Timeout in milliseconds, as an unsigned integer.
*/
unsigned int kbase_get_timeout_ms(struct kbase_device *kbdev,
enum kbase_timeout_selector selector);
/**
* kbase_backend_get_cycle_cnt - Reads the GPU cycle counter
*
* @kbdev: Instance of a GPU platform device that implements a CSF interface.
*
* Return: Snapshot of the GPU cycle count register.
*/
u64 kbase_backend_get_cycle_cnt(struct kbase_device *kbdev);
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