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https://github.com/ARM-software/arm-trusted-firmware.git
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da8cc41bc8
LPM means low power module, it will connect idle and SPM to achieve lower power consumption in some scenarios, and this patch is LPM second version Signed-off-by: Wenzhen Yu <wenzhen.yu@mediatek.corp-partner.google.com> Change-Id: I6ae5b5b4c2056d08c29efab5116be3a92351d8f1
77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
/*
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* Copyright (c) 2025, 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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#define MT_RM_STATUS_STOP -2
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enum plat_mt_lpm_rc_type {
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PLAT_RC_UPDATE_CONDITION,
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PLAT_RC_STATUS,
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PLAT_RC_UPDATE_REMAIN_IRQS,
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PLAT_RC_IS_FMAUDIO,
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PLAT_RC_IS_ADSP,
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PLAT_RC_ENTER_CNT,
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PLAT_RC_CLKBUF_STATUS,
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PLAT_RC_UFS_STATUS,
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PLAT_RC_IS_USB_PERI,
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PLAT_RC_IS_USB_INFRA,
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PLAT_RC_IS_USB_HEADSET,
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PLAT_RC_MAX,
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};
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enum plat_mt_lpm_hw_ctrl_type {
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PLAT_AP_MDSRC_REQ,
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PLAT_AP_MDSRC_ACK,
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PLAT_AP_IS_MD_SLEEP,
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PLAT_AP_MDSRC_SETTLE,
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PLAT_AP_GPUEB_PLL_CONTROL,
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PLAT_AP_GPUEB_PWR_STATUS,
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PLAT_AP_GPUEB_MFG0_PWR_CON,
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PLAT_AP_ASSERT_SPM_IRQ,
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PLAT_AP_SPM_RESOURCE_REQUEST_UPDATE,
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PLAT_AP_SPM_WDT_TRIGGER,
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PLAT_AP_HW_CTRL_MAX,
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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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int (*get_status)(unsigned int type, void *priv);
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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, unsigned int num,
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int stateid, void *priv);
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struct mt_resource_constraint **consts;
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int (*hwctrl)(unsigned int type, int set, void *priv);
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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_do_constraint(unsigned int constraint_id,
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unsigned int cpuid, int stateid);
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extern int mt_lp_rm_find_constraint(unsigned int idx, unsigned int cpuid,
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int stateid, void *priv);
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extern int mt_lp_rm_find_and_run_constraint(unsigned int idx,
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unsigned int cpuid,
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int stateid, void *priv);
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extern int mt_lp_rm_reset_constraint(unsigned int idx,
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unsigned int cpuid, int stateid);
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extern int mt_lp_rm_do_update(int stateid, int type, void const *p);
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extern int mt_lp_rm_get_status(unsigned int type, void *priv);
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extern int mt_lp_rm_do_hwctrl(unsigned int type, int set, void *priv);
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#endif /* MT_LP_RM_H */
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