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