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/* Copyright 2019 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.
*/
/* USB Policy Engine module */
#ifndef __CROS_EC_USB_PE_H
#define __CROS_EC_USB_PE_H
#include "usb_sm.h"
enum pe_error {
ERR_RCH_CHUNKED,
ERR_RCH_MSG_REC,
ERR_TCH_CHUNKED,
ERR_TCH_XMIT,
};
/**
* Initialize the Policy Engine State Machine
*
* @param port USB-C port number
*/
void pe_init(int port);
/**
* Runs the Policy Engine State Machine
*
* @param port USB-C port number
* @param evt system event, ie: PD_EVENT_RX
* @param en 0 to disable the machine, 1 to enable the machine
*/
void pe_run(int port, int evt, int en);
/**
* Informs the Policy Engine that a message was successfully sent
*
* @param port USB-C port number
*/
void pe_message_sent(int port);
/**
* Informs the Policy Engine of an error.
*
* @param port USB-C port number
* @parm e error
*/
void pe_report_error(int port, enum pe_error e);
/**
* Informs the Policy Engine that a message has been received
*
* @param port USB-C port number
* @parm e error
*/
void pe_pass_up_message(int port);
/**
* Informs the Policy Engine that a hard reset was received.
*
* @param port USB-C port number
*/
void pe_got_hard_reset(int port);
/**
* Informs the Policy Engine that a soft reset was received.
*
* @param port USB-C port number
*/
void pe_got_soft_reset(int port);
/**
* Informs the Policy Engine that a hard reset was sent.
*
* @param port USB-C port number
*/
void pe_hard_reset_sent(int port);
#endif /* __CROS_EC_USB_PE_H */
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