adc_npcx_threshold.h

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/*
 * Copyright (c) 2022 Intel Corporation
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef _ADC_NPCX_THRESHOLD_H_
#define _ADC_NPCX_THRESHOLD_H_
 
#include <zephyr/device.h>
 
enum adc_npcx_threshold_param_l_h {
        ADC_NPCX_THRESHOLD_PARAM_L_H_HIGHER,
        ADC_NPCX_THRESHOLD_PARAM_L_H_LOWER,
};
 
enum adc_npcx_threshold_param_type {
        /* Selects ADC channel to be used for measurement */
        ADC_NPCX_THRESHOLD_PARAM_CHNSEL,
        /* Sets relation between measured value and assetion threshold value.*/
        ADC_NPCX_THRESHOLD_PARAM_L_H,
        /* Sets the threshold value to which measured data is compared. */
        ADC_NPCX_THRESHOLD_PARAM_THVAL,
        /* Sets worker queue thread to be notified */
        ADC_NPCX_THRESHOLD_PARAM_WORK,
 
        ADC_NPCX_THRESHOLD_PARAM_MAX,
};
 
struct adc_npcx_threshold_param {
        /* Threshold ocntrol parameter */
        enum adc_npcx_threshold_param_type type;
        /* Parameter value */
        uint32_t val;
};
 
int adc_npcx_threshold_mv_to_thrval(const struct device *dev, uint32_t val_mv,
                                                                uint32_t *thrval);
 
int adc_npcx_threshold_ctrl_set_param(const struct device *dev,
                                      const uint8_t th_sel,
                                      const struct adc_npcx_threshold_param
                                      *param);
 
int adc_npcx_threshold_ctrl_enable(const struct device *dev, uint8_t th_sel,
                                   const bool enable);
 
#endif /*_ADC_NPCX_THRESHOLD_H_ */