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/* Copyright 2020 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef __CROS_EC_PI3USB9201_H
#define __CROS_EC_PI3USB9201_H
enum pi3usb9201_reg_t { CTRL_REG1, CTRL_REG2, CLIENT_STATUS, HOST_STATUS };
enum pi3usb9201_dat_t {
POWER_DOWN = 0x0,
SDP_HOST_MODE = 0x2,
DCP_HOST_MODE = 0x4,
CDP_HOST_MODE = 0x6,
CLIENT_MODE = 0x8,
USB_PATH_ON = 0xe
};
/* Client Status bits */
#define CS_DCP BIT(7)
#define CS_SDP BIT(6)
#define CS_CDP BIT(5)
#define CS_1A_CHARGER BIT(3)
#define CS_2A_CHARGER BIT(2)
#define CS_2_4A_CHARGER BIT(1)
/* Host Status bits */
#define HS_USB_UNPLUGGED BIT(2)
#define HS_USB_PLUGGED BIT(1)
#define HS_BC1_2 BIT(0)
/**
* Selects Client Mode and client mode detection
*/
void init_pi3usb9201(void);
/**
* Write a byte to the pi3usb9201
*
* @param reg register to write
* @param dat data to write to the register
*/
void write_pi3usb9201(enum pi3usb9201_reg_t reg, enum pi3usb9201_dat_t dat);
/**
* Read a byte from the pi3usb9201
*
* @param return data byte read from pi3usb9201
*/
uint8_t read_pi3usb9201(enum pi3usb9201_reg_t reg);
#endif /* __CROS_EC_PI3USB9201_H */
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