mirror of
https://github.com/openharmony/drivers_framework.git
synced 2026-08-27 02:42:28 -04:00
yuanbo
43 lines
1.7 KiB
C
43 lines
1.7 KiB
C
/*
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* Copyright (c) 2020-2021 Huawei Device Co., Ltd.
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*
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* HDF is dual licensed: you can use it either under the terms of
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* the GPL, or the BSD license, at your option.
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* See the LICENSE file in the root of this repository for complete details.
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*/
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#ifndef HDF_POWER_MANAGEMENT_H
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#define HDF_POWER_MANAGEMENT_H
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#include "hdf_device_desc.h"
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#include "osal_sysevent.h"
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enum PowerManagementMode {
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HDF_POWER_SYS_CTRL,
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HDF_POWER_DYNAMIC_CTRL,
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HDF_POWER_MODE_MAX,
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};
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/**
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* @brief Defines the power management functions provided by the HDF for the driver.
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*
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* To use the power management mechanism provided by the HDF, implement operations of <b>IPowerEventListener</b> and
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* invoke {@linkHdfDeviceRegisterPowerListener} to register the operations with the HDF.
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*
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* @since 1.0
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*/
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struct IPowerEventListener {
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int (*DozeResume)(struct HdfDeviceObject *deviceObject);
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int (*DozeSuspend)(struct HdfDeviceObject *deviceObject);
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/** Wakes up the driver device. The driver developer implements the operation. */
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int (*Resume)(struct HdfDeviceObject *deviceObject);
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/** Hibernates the driver device. The driver developer implements the operation. */
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int (*Suspend)(struct HdfDeviceObject *deviceObject);
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};
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int HdfPmRegisterPowerListener(struct HdfDeviceObject *deviceObject, const struct IPowerEventListener *listener);
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void HdfPmUnregisterPowerListener(struct HdfDeviceObject *deviceObject, const struct IPowerEventListener *listener);
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void HdfPmAcquireDevice(struct HdfDeviceObject *deviceObject);
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void HdfPmReleaseDevice(struct HdfDeviceObject *deviceObject);
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void HdfPmSetMode(struct HdfDeviceObject *deviceObject, uint32_t mode);
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#endif /* HDF_POWER_MANAGEMENT_H */
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