tt_stm32.h

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/*
 * Copyright (c) 2023 SILA Embedded Solutions GmbH
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 */
 
#ifndef ZEPHYR_INCLUDE_DRIVERS_I2C_STM32_H_
#define ZEPHYR_INCLUDE_DRIVERS_I2C_STM32_H_
 
#include <stdint.h>
 
#include <zephyr/device.h>
#include <zephyr/drivers/i2c.h>
 
enum i2c_stm32_mode {
        I2CSTM32MODE_I2C,
        I2CSTM32MODE_SMBUSHOST,
        I2CSTM32MODE_SMBUSDEVICE,
        I2CSTM32MODE_SMBUSDEVICEARP,
};
 
void tt_stm32_i2c_set_abort_ptr(const struct device *dev, unsigned int *abort);
void tt_stm32_i2c_set_smbus_mode(const struct device *dev, enum i2c_stm32_mode mode);
 
/* Raw i2c transfer function (be very careful you MUST call start and stop to ensure you don't */
/* deadlock your bus) */
void tt_stm32_i2c_start_transfer(const struct device *dev);
int tt_stm32_i2c_send_message(const struct device *dev, uint16_t slave, struct i2c_msg msg,
                              bool start, bool cont);
void tt_stm32_i2c_stop_transfer(const struct device *dev);
 
#ifdef CONFIG_SMBUS_STM32_SMBALERT
typedef void (*tt_stm32_i2c_smbalert_cb_func_t)(const struct device *dev);
 
void tt_stm32_i2c_smbalert_set_callback(const struct device *dev, i2c_stm32_smbalert_cb_func_t func,
                                        const struct device *cb_dev);
void tt_stm32_i2c_smbalert_enable(const struct device *dev);
void tt_stm32_i2c_smbalert_disable(const struct device *dev);
#endif /* CONFIG_SMBUS_STM32_SMBALERT */
 
#endif /* ZEPHYR_INCLUDE_DRIVERS_I2C_STM32_H_ */