mirror of
https://github.com/openharmony/drivers_peripheral.git
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guowen666
204 lines
9.1 KiB
C
204 lines
9.1 KiB
C
/*
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* Copyright (c) 2021-2022 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @addtogroup Input
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* @{
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*
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* @brief Provides driver interfaces for the input service.
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*
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* These driver interfaces can be used to open and close input device files, get input events, query device information,
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* register callback functions, and control the feature status.
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*
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*
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* @since 1.0
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* @version 1.0
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*/
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/**
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* @file input_controller.h
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*
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* @brief Declares the driver interfaces for controlling the business process of input devices.
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*
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* @since 1.0
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* @version 1.0
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*/
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#ifndef INPUT_CONTROLLER_H
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#define INPUT_CONTROLLER_H
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#include "input_type.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Provides interfaces for controlling the business process of input devices.
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*
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* The interfaces can be called to set the power status, enable or disable a feature, get driver chip information,
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* and control the production test.
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*/
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typedef struct {
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/**
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* @brief Sets the power status.
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*
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* This function is called only when the power status of the OS is changed. \n
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* The input service or the power management module can call this function to set the power status
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* for the input device when the OS is in the Resume or Suspend status, so that the driver integrated circuit (IC)
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* of the device can normally enter the specified status.
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*
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* @param devIndex Indicates the index of an input device. A maximum of 32 input devices are supported.
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* The value ranges from 0 to 31, and value <b>0</b> represents the first input device.
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* @param status Indicates the power status to set. The input service will notify the input device of entering the
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* Resume or Suspend state specified by {@link PowerStatus}.
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* @return Returns <b>INPUT SUCCESS</b> if the operation is successful; returns an error code defined in
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* {@link RetStatus} otherwise.
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* @since 1.0
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* @version 1.0
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*/
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int32_t (*SetPowerStatus)(uint32_t devIndex, uint32_t status);
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/**
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* @brief Gets the power status.
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*
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* The input service or the power management module can get the power status for the input device when the OS
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* is in the Resume or Suspend status, so that the driver IC of the device can normally enter the specified status.
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* You can call this function to obtain the power status.
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*
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* @param devIndex Indicates the index of an input device. A maximum of 32 input devices are supported.
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* The value ranges from 0 to 31, and value <b>0</b> represents the first input device.
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* @param status Indicates the pointer to the power status of the device. For details, see {@link PowerStatus}.
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* @return Returns <b>INPUT SUCCESS</b> if the operation is successful; returns an error code defined in
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* {@link RetStatus} otherwise.
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* @since 1.0
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* @version 1.0
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*/
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int32_t (*GetPowerStatus)(uint32_t devIndex, uint32_t *status);
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/**
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* @brief Gets the type of the input device based on the specified device index.
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*
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* @param devIndex Indicates the index of an input device. A maximum of 32 input devices are supported.
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* The value ranges from 0 to 31, and value <b>0</b> represents the first input device.
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* @param deviceType Indicates the pointer to the device type. For details, see {@link InputDevType}.
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* @return Returns <b>INPUT SUCCESS</b> if the operation is successful; returns an error code defined
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* in {@link RetStatus} otherwise.
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* @since 1.0
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* @version 1.0
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*/
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int32_t (*GetDeviceType)(uint32_t devIndex, uint32_t *deviceType);
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/**
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* @brief Gets the chip information of the specified device.
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*
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* A product is usually equipped with modules and driver ICs provided by multiple vendors. An input service
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* can call this function to get the specific information if needed.
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*
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* @param devIndex Indicates the index of an input device. A maximum of 32 input devices are supported.
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* The value ranges from 0 to 31, and value <b>0</b> represents the first input device.
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* @param chipInfo Indicates the pointer to the chip information.
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* @param length Indicates the length of the chip information. The minimum value of length is 10.
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* @return Returns <b>INPUT SUCCESS</b> if the operation is successful; returns an error code defined
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* in {@link RetStatus} otherwise.
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* @since 1.0
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* @version 1.0
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*/
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int32_t (*GetChipInfo)(uint32_t devIndex, char *chipInfo, uint32_t length);
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/**
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* @brief Gets the module vendor name of the specified device.
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*
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* @param devIndex Indicates the index of an input device. A maximum of 32 input devices are supported.
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* The value ranges from 0 to 31, and value <b>0</b> represents the first input device.
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* @param vendorName Indicates the pointer to the module vendor name.
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* @param length Indicates the length of the module vendor name. The minimum value of length is 10.
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* @return Returns <b>INPUT SUCCESS</b> if the operation is successful; returns an error code defined
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* in {@link RetStatus} otherwise.
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* @since 1.0
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* @version 1.0
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*/
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int32_t (*GetVendorName)(uint32_t devIndex, char *vendorName, uint32_t length);
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/**
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* @brief Gets the driver chip name of the specified device.
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*
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* @param devIndex Indicates the index of an input device. A maximum of 32 input devices are supported.
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* The value ranges from 0 to 31, and value <b>0</b> represents the first input device.
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* @param chipName Indicates the pointer to the driver chip name.
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* @param length Indicates the length of the driver chip name. The minimum value of length is 10.
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* @return Returns <b>INPUT SUCCESS</b> if the operation is successful; returns an error code defined
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* in {@link RetStatus} otherwise.
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* @since 1.0
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* @version 1.0
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*/
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int32_t (*GetChipName)(uint32_t devIndex, char *chipName, uint32_t length);
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/**
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* @brief Sets the gesture mode.
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*
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* The input service can use this function to enable or disable the gesture mode by setting <b>EnableBit</b>
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* of the gesture mode.
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*
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* @param devIndex Indicates the index of an input device. A maximum of 32 input devices are supported.
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* The value ranges from 0 to 31, and value <b>0</b> represents the first input device.
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* @param gestureMode Indicates the gesture mode to set.
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* @return Returns <b>INPUT SUCCESS</b> if the operation is successful; returns an error code defined
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* in {@link RetStatus} otherwise.
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* @since 1.0
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* @version 1.0
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*/
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int32_t (*SetGestureMode)(uint32_t devIndex, uint32_t gestureMode);
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/**
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* @brief Conducts a capacitance self-test.
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*
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* The capacitance self-test items are defined by the component vendor, such as the tests on the raw data,
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* short circuit, open circuit, interference, and row/column difference.
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*
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* @param devIndex Indicates the index of an input device. A maximum of 32 input devices are supported.
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* The value ranges from 0 to 31, and value <b>0</b> represents the first input device.
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* @param testType Indicates the capacitance test type. For details, see {@link CapacitanceTest}.
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* @param result Indicates the pointer to the capacitance test result. The value is <b>SUCC</b> for a successful
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* operation and is an error code for a failed operation.
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* @param length Indicates the length of the test result. The minimum value of length is 20.
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* @return Returns <b>INPUT SUCCESS</b> if the operation is successful; returns an error code defined
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* in {@link RetStatus} otherwise.
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* @since 1.0
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* @version 1.0
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*/
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int32_t (*RunCapacitanceTest)(uint32_t devIndex, uint32_t testType, char *result, uint32_t length);
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/**
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* @brief Executes the extra command.
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*
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* @param devIndex Indicates the index of an input device. A maximum of 32 input devices are supported.
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* The value ranges from 0 to 31, and value <b>0</b> represents the first input device.
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* @param cmd Indicates the pointer to the extra command data packet, including the command codes and parameters.
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* For details, see {@link InputExtraCmd}.
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* @return Returns <b>INPUT SUCCESS</b> if the operation is successful; returns an error code defined
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* in {@link RetStatus} otherwise.
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* @since 1.0
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* @version 1.0
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*/
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int32_t (*RunExtraCommand)(uint32_t devIndex, InputExtraCmd *cmd);
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} InputController;
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#ifdef __cplusplus
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}
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#endif
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#endif
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/** @} */
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