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cab4919955
Low Power Management (LPM) helps find a suitable configuration for letting system entering idle or suspend with the most resources off. Change-Id: Ie6a7063b666cf338cff5bc972c9025b26de482eb Signed-off-by: Roger Lu <roger.lu@mediatek.com>
43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
/*
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* Copyright (c) 2020, MediaTek Inc. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef MT_LP_RM_H
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#define MT_LP_RM_H
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#include <stdbool.h>
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#define MT_RM_STATUS_OK 0
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#define MT_RM_STATUS_BAD -1
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enum PLAT_MT_LPM_RC_TYPE {
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PLAT_RC_UPDATE_CONDITION,
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PLAT_RC_UPDATE_REMAIN_IRQS
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};
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struct mt_resource_constraint {
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int level;
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int (*init)(void);
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bool (*is_valid)(unsigned int cpu, int stateid);
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int (*update)(int stateid, int type, const void *p);
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int (*run)(unsigned int cpu, int stateid);
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int (*reset)(unsigned int cpu, int stateid);
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unsigned int (*allow)(int stateid);
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};
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struct mt_resource_manager {
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int (*update)(struct mt_resource_constraint **con,
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int stateid, void *priv);
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struct mt_resource_constraint **consts;
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};
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extern int mt_lp_rm_register(struct mt_resource_manager *rm);
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extern int mt_lp_rm_find_and_run_constraint(int idx, unsigned int cpuid,
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int stateid, void *priv);
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extern int mt_lp_rm_reset_constraint(int constraint_id, unsigned int cpuid,
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int stateid);
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extern int mt_lp_rm_do_update(int stateid, int type, void const *p);
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#endif /* MT_LP_RM_H */
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