53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Samsung Exynos SoC series dsp driver
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*
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* Copyright (c) 2020 Samsung Electronics Co., Ltd.
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* http://www.samsung.com/
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*/
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#ifndef __HW_DSP_GOVERNOR_H__
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#define __HW_DSP_GOVERNOR_H__
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#include <linux/kthread.h>
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#include <uapi/linux/sched/types.h>
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#include <linux/spinlock.h>
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#include "dsp-control.h"
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#define DSP_GOVERNOR_DEFAULT (INT_MAX)
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struct dsp_system;
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struct dsp_governor;
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typedef int (*request_handler_t)(struct dsp_governor *,
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struct dsp_control_preset *);
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struct dsp_governor_ops {
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int (*request)(struct dsp_governor *governor,
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struct dsp_control_preset *req);
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int (*check_done)(struct dsp_governor *governor);
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int (*flush_work)(struct dsp_governor *governor);
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int (*open)(struct dsp_governor *governor);
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int (*close)(struct dsp_governor *governor);
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int (*probe)(struct dsp_governor *governor, void *sys);
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void (*remove)(struct dsp_governor *governor);
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};
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struct dsp_governor {
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struct kthread_worker worker;
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struct task_struct *task;
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struct kthread_work work;
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spinlock_t slock;
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int async_status;
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struct dsp_control_preset async_req;
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request_handler_t handler;
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const struct dsp_governor_ops *ops;
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struct dsp_system *sys;
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};
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#endif
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