mirror of
https://gitlab.com/zephray/glider.git
synced 2024-11-14 04:57:54 +00:00
48 lines
No EOL
1.1 KiB
C
48 lines
No EOL
1.1 KiB
C
//
|
|
// Copyright 2024 Wenting Zhang <zephray@outlook.com>
|
|
//
|
|
/* Copyright (c) 2012 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 mux driver */
|
|
#ifndef __CROS_EC_USB_MUX_H
|
|
#define __CROS_EC_USB_MUX_H
|
|
|
|
#include "usb_pd.h"
|
|
|
|
/* USB-C mux state */
|
|
typedef uint8_t mux_state_t;
|
|
|
|
enum typec_mux {
|
|
TYPEC_MUX_NONE = 0, /* Open switch */
|
|
TYPEC_MUX_USB, /* USB only */
|
|
TYPEC_MUX_DP, /* DP only */
|
|
TYPEC_MUX_DOCK /* Both USB and DP */
|
|
};
|
|
|
|
enum usb_switch {
|
|
USB_SWITCH_CONNECT,
|
|
USB_SWITCH_DISCONNECT,
|
|
USB_SWITCH_RESTORE,
|
|
};
|
|
|
|
/**
|
|
* Initialize USB mux to its default state.
|
|
*
|
|
* @param port Port number.
|
|
*/
|
|
void usb_mux_init(int port);
|
|
|
|
/**
|
|
* Configure superspeed muxes on type-C port.
|
|
*
|
|
* @param port port number.
|
|
* @param mux_mode mux selected function.
|
|
* @param usb_config usb2.0 selected function.
|
|
* @param polarity plug polarity (0=CC1, 1=CC2).
|
|
*/
|
|
void usb_mux_set(int port, enum typec_mux mux_mode,
|
|
enum usb_switch usb_config, int polarity);
|
|
|
|
#endif |