31 lines
857 B
C
31 lines
857 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2019 MediaTek Inc.
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*/
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#ifndef __MTK_LPM_H__
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#define __MTK_LPM_H__
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#include <linux/cpu_pm.h>
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#include <linux/cpuidle.h>
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#include <asm/cpuidle.h>
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#define MTK_CPUIDLE_PM_NAME "mtk_cpuidle_pm"
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struct mtk_cpuidle_op {
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/*prompt to platform driver that cpu will enter idle state */
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int (*cpuidle_prepare)(struct cpuidle_driver *drv, int index);
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/*notify platform driver that cpu will leave idle state */
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void (*cpuidle_resume)(struct cpuidle_driver *drv, int index);
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};
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/*
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* Set cpuidle operator for lpm. If the operator have been set before the
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* return value will be -EACCES. Must call mtk_lpm_drv_cpuidle_ops_clr()
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* when the cpuidle operator need to set new cpuidle operator
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*/
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int mtk_lpm_drv_cpuidle_ops_set(struct mtk_cpuidle_op *op);
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void mtk_lpm_drv_cpuidle_ops_clr(void);
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#endif
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