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/* Copyright 2021 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/**
* @file
*
* @brief Backend API for pi3usb9201 emulator
*/
#ifndef __EMUL_PI3USB9201_H
#define __EMUL_PI3USB9201_H
#include <emul.h>
#include <drivers/i2c.h>
#include <drivers/i2c_emul.h>
#define PI3USB9201_REG_CTRL_1 0x0
#define PI3USB9201_REG_CTRL_2 0x1
#define PI3USB9201_REG_CLIENT_STS 0x2
#define PI3USB9201_REG_HOST_STS 0x3
/**
* @brief Get pointer to pi3usb9201 emulator using device tree order number.
*
* @param ord Device tree order number obtained from DT_DEP_ORD macro
*
* @return Pointer to pi3usb9201 emulator
*/
struct i2c_emul *pi3usb9201_emul_get(int ord);
/**
* @brief Set value of given register of pi3usb9201
*
* @param emul Pointer to pi3usb9201 emulator
* @param reg Register address
* @param val New value of the register
*
* @return 0 on success or error
*/
int pi3usb9201_emul_set_reg(struct i2c_emul *emul, int reg, uint8_t val);
/**
* @brief Get value of given register of pi3usb9201
*
* @param emul Pointer to pi3usb9201 emulator
* @param reg Register address
* @param val Pointer to write current value of register
*
* @return 0 on success or error
*/
int pi3usb9201_emul_get_reg(struct i2c_emul *emul, int reg, uint8_t *val);
#endif /* __EMUL_PI3USB9201_H */
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