464 lines
12 KiB
C
464 lines
12 KiB
C
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/*
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* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
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* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _LOS_PM_H
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#define _LOS_PM_H
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#include "los_config.h"
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#include "los_compiler.h"
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#include "los_list.h"
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#include "los_error.h"
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/**
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* @ingroup los_pm
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* Pm error code: Invalid low-power mode.
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*
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* Value: 0x02002001
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*
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*/
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#define LOS_ERRNO_PM_INVALID_MODE LOS_ERRNO_OS_ERROR(LOS_MOD_PM, 0x01)
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/**
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* @ingroup los_pm
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* Pm error code: Invalid input parameter.
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*
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* Value: 0x02002002
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*
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*/
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#define LOS_ERRNO_PM_INVALID_PARAM LOS_ERRNO_OS_ERROR(LOS_MOD_PM, 0x02)
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/**
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* @ingroup los_pm
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* Pm error code: The current mode is unlocked.
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*
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* Value: 0x02002003
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*
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*/
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#define LOS_ERRNO_PM_NOT_LOCK LOS_ERRNO_OS_ERROR(LOS_MOD_PM, 0x03)
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/**
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* @ingroup los_pm
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* Pm error code: The lock limit has been exceeded.
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*
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* Value: 0x02002004
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*
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*/
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#define LOS_ERRNO_PM_LOCK_LIMIT LOS_ERRNO_OS_ERROR(LOS_MOD_PM, 0x04)
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/**
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* @ingroup los_pm
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* Pm error code: Invalid device node.
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*
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* Value: 0x02002005
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*
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*/
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#define LOS_ERRNO_PM_INVALID_NODE LOS_ERRNO_OS_ERROR(LOS_MOD_PM, 0x05)
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/**
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* @ingroup los_pm
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* Pm error code: Invalid type.
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*
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* Value: 0x02002006
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*
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*/
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#define LOS_ERRNO_PM_INVALID_TYPE LOS_ERRNO_OS_ERROR(LOS_MOD_PM, 0x06)
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/**
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* @ingroup los_pm
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* Pm error code: The hook for mode is not implemented.
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*
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* Value: 0x02002007
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*
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*/
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#define LOS_ERRNO_PM_HANDLER_NULL LOS_ERRNO_OS_ERROR(LOS_MOD_PM, 0x07)
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/**
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* @ingroup los_pm
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* Pm error code: Deep and shutdown must implement the Tick Timer related interface.
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*
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* Value: 0x02002008
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*
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*/
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#define LOS_ERRNO_PM_TICK_TIMER_NULL LOS_ERRNO_OS_ERROR(LOS_MOD_PM, 0x08)
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/**
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* @ingroup los_pm
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* Pm error code: Device is not registered.
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*
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* Value: 0x02002009
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*
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*/
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#define LOS_ERRNO_PM_DEVICE_NULL LOS_ERRNO_OS_ERROR(LOS_MOD_PM, 0x09)
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/**
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* @ingroup los_pm
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* Pm error code: The delay lock has already been activated.
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*
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* Value: 0x0200200a
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*
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*/
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#define LOS_ERRNO_PM_ALREADY_LOCK LOS_ERRNO_OS_ERROR(LOS_MOD_PM, 0x0a)
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typedef enum {
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LOS_SYS_NORMAL_SLEEP = 0,
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LOS_SYS_LIGHT_SLEEP,
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LOS_SYS_DEEP_SLEEP,
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LOS_SYS_SHUTDOWN,
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} LOS_SysSleepEnum;
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typedef enum {
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LOS_PM_TYPE_DEVICE = 0,
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LOS_PM_TYPE_TICK_TIMER,
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LOS_PM_TYPE_SYSCTRL,
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} LOS_PmNodeType;
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typedef struct {
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UINT32 (*suspend)(UINT32 mode); /* The device enters low-power consumption, Unlocked task scheduling. */
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VOID (*resume)(UINT32 mode); /* The device exits from low-power consumption, Unlocked task scheduling. */
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} LosPmDevice;
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typedef struct {
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/* Low-power timer related implementation functions.
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* The function is not NULL, the low-power timer is enabled.
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*/
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UINT32 freq; /* The frequency of the low-power timer */
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VOID (*timerStart)(UINT64); /* Start the low-power timer and set the response period */
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VOID (*timerStop)(VOID); /* Turn off the low-power timer */
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UINT64 (*timerCycleGet)(VOID); /* Gets the time the system sleeps */
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/* When the low-power timer is enabled, the function of tickLock is to turn off the system tick timer and
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* clear the timer's count value to zero.
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* When the low-power timer is disabled, the function of tickLock is to pause the system timer.
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*/
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VOID (*tickLock)(VOID);
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/* When the low-power timer is enabled, the function of tickUnlock is to restart the system tick timer.
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* When the low-power timer is disabled, the function of tickUnlock is to restore the system tick timer.
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*/
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VOID (*tickUnlock)(VOID);
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} LosPmTickTimer;
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typedef struct {
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/* Preparations before the CPU enters low-power consumption.
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* All modes except normal mode are invoked.
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* Unlocked task scheduling.
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*/
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UINT32 (*early)(UINT32 mode);
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/* The system performs low-power recovery.
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* All modes except normal mode are invoked.
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* Unlocked task scheduling.
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*/
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VOID (*late)(UINT32 mode);
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/* Final check before low-power consumption. */
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VOID (*suspendCheck)(UINT32 mode);
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/* The system enters the Normal sleep mode.
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* In normal mode, the value cannot be NULL.
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*/
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UINT32 (*normalSuspend)(VOID);
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/* The system recovers from normal sleep.
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* The value can be NULL.
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*/
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VOID (*normalResume)(VOID);
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/* The system enters the light sleep mode.
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* In light sleep mode, the value cannot be NULL.
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*/
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UINT32 (*lightSuspend)(VOID);
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/* The system recovers from light sleep.
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* The value can be NULL.
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*/
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VOID (*lightResume)(VOID);
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/* The system enters the deep sleep mode.
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* In deep sleep mode, the value cannot be NULL.
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*/
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UINT32 (*deepSuspend)(VOID);
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/* The system recovers from deep sleep.
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* The value can be NULL.
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*/
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VOID (*deepResume)(VOID);
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/* The system enters the shutdown mode.
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* In shutdown mode, the value cannot be NULL.
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*/
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UINT32 (*shutdownSuspend)(VOID);
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/* The system recovers from shutdown.
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* In shutdown mode, the value cannot be NULL.
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*/
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VOID (*shutdownResume)(VOID);
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} LosPmSysctrl;
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/**
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* @ingroup los_pm
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* @brief Initialize system low-power frame.
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*
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* @par Description:
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* This API is used to initialize the system low-power frame.
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*
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* @attention None.
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*
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* @param None.
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*
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* @retval error code, LOS_OK means success.
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* @par Dependency:
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* <ul><li>los_pm.h: the header file that contains the API declaration.</li></ul>
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* @see
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*/
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UINT32 OsPmInit(VOID);
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/**
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* @ingroup los_pm
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* @brief Whether the low-power consumption condition is met.
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*
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* @par Description:
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* This API is used to check whether low-power consumption is met.
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*
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* @attention None.
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*
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* @param None.
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*
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* @retval TRUE or FALSE.
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* @par Dependency:
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* <ul><li>los_pm.h: the header file that contains the API declaration.</li></ul>
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* @see
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*/
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#if (LOSCFG_KERNEL_PM == 1)
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BOOL OsIsPmMode(VOID);
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#else
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STATIC INLINE BOOL OsIsPmMode(VOID)
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{
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return FALSE;
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}
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#endif
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/**
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* @ingroup los_pm
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* @brief Register a power management node.
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*
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* @par Description:
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* This API is used to register a power management node.
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*
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* @attention None.
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*
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* @param type [IN] The types supported by the PM module.
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* @param node [IN] power management node.
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*
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* @retval error code, LOS_OK means success.
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* @par Dependency:
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* <ul><li>los_pm.h: the header file that contains the API declaration.</li></ul>
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* @see LOS_PmUnregister
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*/
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UINT32 LOS_PmRegister(LOS_PmNodeType type, VOID *node);
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/**
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* @ingroup los_pm
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* @brief Unregister a power management node.
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*
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* @par Description:
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* This API is used to unregister a power management node.
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*
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* @attention None.
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*
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* @param type [IN] The types supported by the PM module.
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* @param node [IN] power management node.
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*
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* @retval error code, LOS_OK means success.
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* @par Dependency:
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* <ul><li>los_pm.h: the header file that contains the API declaration.</li></ul>
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* @see LOS_PmRegister
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*/
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UINT32 LOS_PmUnregister(LOS_PmNodeType type, VOID *node);
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/**
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* @ingroup los_pm
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* @brief Set the system wake up flag.
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*
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* @par Description:
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* This API is used to set the system wake-up flag.
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*
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* @attention None.
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*
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* @param None.
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*
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* @retval None.
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* @par Dependency:
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* <ul><li>los_pm.h: the header file that contains the API declaration.</li></ul>
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* @see
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*/
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VOID LOS_PmWakeSet(VOID);
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/**
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* @ingroup los_pm
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* @brief Get the low-power mode of the current system.
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*
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* @par Description:
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* This API is used to get the low-power mode of the current system.
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*
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* @attention None.
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*
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* @param None.
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*
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* @retval error code, LOS_OK means success.
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* @par Dependency:
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* <ul><li>los_pm.h: the header file that contains the API declaration.</li></ul>
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* @see LOS_PmModeSet
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*/
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LOS_SysSleepEnum LOS_PmModeGet(VOID);
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/**
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* @ingroup los_pm
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* @brief Set low-power mode.
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*
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* @par Description:
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* This API is used to set low-power mode.
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*
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* @attention None.
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*
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* @param mode [IN] low-power mode.
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*
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* @retval error code, LOS_OK means success.
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* @par Dependency:
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* <ul><li>los_pm.h: the header file that contains the API declaration.</li></ul>
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* @see LOS_PmModeGet
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*/
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UINT32 LOS_PmModeSet(LOS_SysSleepEnum mode);
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/**
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* @ingroup los_pm
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* @brief Request to obtain the lock in current mode, so that the system will not enter
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* this mode when it enters the idle task next time.
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*
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* @par Description:
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* This API is used to obtain the lock in current mode.
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*
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* @attention None.
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*
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* @param name [IN] Who requests the lock.
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*
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* @retval error code, LOS_OK means success.
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* @par Dependency:
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* <ul><li>los_pm.h: the header file that contains the API declaration.</li></ul>
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* @see LOS_PmLockRelease
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*/
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UINT32 LOS_PmLockRequest(const CHAR *name);
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/**
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* @ingroup los_pm
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* @brief Request to obtain the lock in current mode, so that the system will not enter
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* this mode when it enters the idle task next time. After the specified interval, the
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* lock is automatically released.
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*
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* @par Description:
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* This API is used to obtain the delay lock in current mode.
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*
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* @attention None.
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*
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* @param name [IN] Who requests the lock.
|
||
|
|
* @param millisecond [IN] Specifies the time to automatically release the lock.
|
||
|
|
*
|
||
|
|
* @retval error code, LOS_OK means success.
|
||
|
|
* @par Dependency:
|
||
|
|
* <ul><li>los_pm.h: the header file that contains the API declaration.</li></ul>
|
||
|
|
* @see LOS_PmLockRelease
|
||
|
|
*/
|
||
|
|
UINT32 LOS_PmTimeLockRequest(const CHAR *name, UINT64 millisecond);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @ingroup los_pm
|
||
|
|
* @brief Release the lock in current mode so that the next time the system enters
|
||
|
|
* the idle task, it will enter this mode.
|
||
|
|
*
|
||
|
|
* @par Description:
|
||
|
|
* This API is used to release the lock in current mode.
|
||
|
|
*
|
||
|
|
* @attention None.
|
||
|
|
*
|
||
|
|
* @param name [IN] Who releases the lock.
|
||
|
|
*
|
||
|
|
* @retval error code, LOS_OK means success.
|
||
|
|
* @par Dependency:
|
||
|
|
* <ul><li>los_pm.h: the header file that contains the API declaration.</li></ul>
|
||
|
|
* @see LOS_PmLockRequest
|
||
|
|
*/
|
||
|
|
UINT32 LOS_PmLockRelease(const CHAR *name);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @ingroup los_pm
|
||
|
|
* @brief Gets the current PM lock status.
|
||
|
|
*
|
||
|
|
* @par Description:
|
||
|
|
* This API is used to Get the current PM lock status.
|
||
|
|
*
|
||
|
|
* @attention None.
|
||
|
|
*
|
||
|
|
* @param None.
|
||
|
|
*
|
||
|
|
* @retval Number of awakening sources of the device.
|
||
|
|
* @par Dependency:
|
||
|
|
* <ul><li>los_pm.h: the header file that contains the API declaration.</li></ul>
|
||
|
|
* @see
|
||
|
|
*/
|
||
|
|
UINT32 LOS_PmReadLock(VOID);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @ingroup los_pm
|
||
|
|
* @brief The system enters the low-power flow.
|
||
|
|
*
|
||
|
|
* @par Description:
|
||
|
|
* This API is used to enter the system into a low-power process.
|
||
|
|
*
|
||
|
|
* @attention None.
|
||
|
|
*
|
||
|
|
* @param wakeCount [IN] Number of wake sources.
|
||
|
|
*
|
||
|
|
* @retval error code, LOS_OK means success.
|
||
|
|
* @par Dependency:
|
||
|
|
* <ul><li>los_pm.h: the header file that contains the API declaration.</li></ul>
|
||
|
|
* @see
|
||
|
|
*/
|
||
|
|
UINT32 LOS_PmSuspend(UINT32 wakeCount);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @ingroup los_pm
|
||
|
|
* @brief Output the locking information of the pm lock.
|
||
|
|
*
|
||
|
|
* @par Description:
|
||
|
|
* This API is used to output the locking information of the pm lock.
|
||
|
|
*
|
||
|
|
* @attention None.
|
||
|
|
*
|
||
|
|
* @param None.
|
||
|
|
*
|
||
|
|
* @retval error code, LOS_OK means success.
|
||
|
|
* @par Dependency:
|
||
|
|
* <ul><li>los_pm.h: the header file that contains the API declaration.</li></ul>
|
||
|
|
* @see LOS_PmLockRequest
|
||
|
|
*/
|
||
|
|
VOID LOS_PmLockInfoShow(VOID);
|
||
|
|
#endif
|