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/* Copyright (c) 2014 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.
*
* Case Closed Debug interface
*/
#ifndef INCLUDE_CASE_CLOSED_DEBUG_H
#define INCLUDE_CASE_CLOSED_DEBUG_H
enum ccd_mode {
/*
* The disabled mode tri-states the DP and DN lines.
*/
CCD_MODE_DISABLED,
/*
* The partial mode allows some CCD functionality and is to be set
* when the device is write protected and a CCD cable is detected.
* This mode gives access to the APs console.
*/
CCD_MODE_PARTIAL,
/*
* The fully enabled mode is used in factory and test lab
* configurations where it is acceptable to be able to reflash the
* device over CCD.
*/
CCD_MODE_ENABLED,
};
/*
* Set current CCD mode, this function is idempotent.
*/
void ccd_set_mode(enum ccd_mode new_mode);
/*
* Board provided function that should ensure that the debug USB port is ready
* for use by the case closed debug code. This could mean updating a MUX or
* switch to disconnect USB from the AP.
*/
void ccd_board_connect(void);
/*
* Board provided function that releases the debug USB port, giving it back
* to the AP.
*/
void ccd_board_disconnect(void);
#endif /* INCLUDE_CASE_CLOSED_DEBUG_H */
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