unplugged-kernel/drivers/misc/mediatek/vpu/mt6785/vpu_qos.h

48 lines
1.0 KiB
C

// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2019 MediaTek Inc.
*/
/*
* usage:
* vpu_qos_counter_init():
* create qos workqueue for count bandwidth
* @call at init hardware
*
* vpu_qos_counter_start():
* create timer to count current bandwidth of VPU each 16ms
* timer will schedule work to wq when time's up
* @call at bootup hardware
*
* vpu_cmd_qos_start():
* enque one cmd to counter's linked list and count bw of cmd
* @call at issue cmd
*
* vpu_cmd_qos_end():
* deque current cmd from counter's linked list
* @call at cmd return
*
* vpu_qos_counter_end():
* delete timer
* @call at shutdown hardware
*
* vpu_qos_counter_destroy():
* delete qos workqueue
* @call at destroy hardware
*/
#ifndef _MT6779_VPU_QOS_H_
#define _MT6779_VPU_QOS_H_
int vpu_cmd_qos_start(int core);
int vpu_cmd_qos_end(int core);
int vpu_qos_counter_start(unsigned int core);
int vpu_qos_counter_end(unsigned int core);
int vpu_qos_counter_init(void);
void vpu_qos_counter_destroy(void);
#endif