opamp.h

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/*
 * Copyright 2025 NXP
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_DRIVERS_OPAMP_H_
#define ZEPHYR_INCLUDE_DRIVERS_OPAMP_H_

 
#include <zephyr/dt-bindings/opamp/opamp.h>
#include <zephyr/device.h>
#include <errno.h>
 
#ifdef __cplusplus
extern "C" {
#endif

enum opamp_gain {
        OPAMP_GAIN_1_7 = 0,       
        OPAMP_GAIN_1_3,           
        OPAMP_GAIN_1,               
        OPAMP_GAIN_5_3,           
        OPAMP_GAIN_2,               
        OPAMP_GAIN_11_5, 
        OPAMP_GAIN_3,               
        OPAMP_GAIN_4,               
        OPAMP_GAIN_13_3, 
        OPAMP_GAIN_7,               
        OPAMP_GAIN_8,               
        OPAMP_GAIN_15,             
        OPAMP_GAIN_16,             
        OPAMP_GAIN_31,             
        OPAMP_GAIN_32,             
        OPAMP_GAIN_33,             
        OPAMP_GAIN_63,             
        OPAMP_GAIN_64,             
};

 
typedef int (*opamp_api_set_gain_t)(const struct device *dev, enum opamp_gain gain);
 
__subsystem struct opamp_driver_api {
        opamp_api_set_gain_t set_gain;
};


__syscall int opamp_set_gain(const struct device *dev, enum opamp_gain gain);
 
static inline int z_impl_opamp_set_gain(const struct device *dev, enum opamp_gain gain)
{
        return DEVICE_API_GET(opamp, dev)->set_gain(dev, gain);
}
 
#ifdef __cplusplus
}
#endif

 
#include <zephyr/syscalls/opamp.h>
 
#endif /* ZEPHYR_INCLUDE_DRIVERS_OPAMP_H_ */