1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/* 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 Type-C module */
#ifndef __CROS_EC_USB_TC_H
#define __CROS_EC_USB_TC_H
enum typec_state_id {
DISABLED,
UNATTACHED_SNK,
ATTACH_WAIT_SNK,
ATTACHED_SNK,
#if !defined(CONFIG_USB_TYPEC_VPD)
ERROR_RECOVERY,
UNATTACHED_SRC,
ATTACH_WAIT_SRC,
ATTACHED_SRC,
#endif
#if !defined(CONFIG_USB_TYPEC_CTVPD) && !defined(CONFIG_USB_TYPEC_VPD)
AUDIO_ACCESSORY,
ORIENTED_DEBUG_ACCESSORY_SRC,
UNORIENTED_DEBUG_ACCESSORY_SRC,
DEBUG_ACCESSORY_SNK,
TRY_SRC,
TRY_WAIT_SNK,
CTUNATTACHED_SNK,
CTATTACHED_SNK,
#endif
#if defined(CONFIG_USB_TYPEC_CTVPD)
CTTRY_SNK,
CTATTACHED_UNSUPPORTED,
CTATTACH_WAIT_UNSUPPORTED,
CTUNATTACHED_UNSUPPORTED,
CTUNATTACHED_VPD,
CTATTACH_WAIT_VPD,
CTATTACHED_VPD,
CTDISABLED_VPD,
TRY_SNK,
TRY_WAIT_SRC,
#endif
/* Number of states. Not an actual state. */
TC_STATE_COUNT,
};
/**
* Get the id of the current Type-C state
*
* @param port USB-C port number
*/
enum typec_state_id get_typec_state_id(int port);
/**
* Get current data role
*
* @param port USB-C port number
* @return 0 for ufp, 1 for dfp, 2 for disconnected
*/
int tc_get_data_role(int port);
/**
* Get current power role
*
* @param port USB-C port number
* @return 0 for sink, 1 for source or vpd
*/
int tc_get_power_role(int port);
/**
* Set loop timeout value
*
* @param port USB-C port number
* @timeout time in ms
*/
void tc_set_timeout(int port, uint64_t timeout);
#ifdef CONFIG_USB_TYPEC_CTVPD
/**
* Resets the charge-through support timer. This can be
* called many times but the support timer will only
* reset once, while in the Attached.SNK state.
*
* @param port USB-C port number
*/
void tc_reset_support_timer(int port);
#endif /* CONFIG_USB_TYPEC_CTVPD */
#endif /* __CROS_EC_USB_TC_H */
|
