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
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
/* 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.
*
* Test USB PE module.
*/
#ifndef __CROS_TEST_USB_PE_H
#define __CROS_TEST_USB_PE_H
#include "common.h"
/*
* Test references to port
*/
#define PORT0 0
/**
* usb_pe_drp_sm.c locally defined. If it changes there, it must
* be changed here as well.
*/
/*
* Policy Engine Layer Flags
*/
/* At least one successful PD communication packet received from port partner */
#define PE_FLAGS_PD_CONNECTION BIT(0)
/* Accept message received from port partner */
#define PE_FLAGS_ACCEPT BIT(1)
/* Power Supply Ready message received from port partner */
#define PE_FLAGS_PS_READY BIT(2)
/* Protocol Error was determined based on error recovery current state */
#define PE_FLAGS_PROTOCOL_ERROR BIT(3)
/* Set if we are in Modal Operation */
#define PE_FLAGS_MODAL_OPERATION BIT(4)
/* A message we requested to be sent has been transmitted */
#define PE_FLAGS_TX_COMPLETE BIT(5)
/* A message sent by a port partner has been received */
#define PE_FLAGS_MSG_RECEIVED BIT(6)
/* A hard reset has been requested but has not been sent, not currently used */
#define PE_FLAGS_HARD_RESET_PENDING BIT(7)
/* Port partner sent a Wait message. Wait before we resend our message */
#define PE_FLAGS_WAIT BIT(8)
/* An explicit contract is in place with our port partner */
#define PE_FLAGS_EXPLICIT_CONTRACT BIT(9)
/* Waiting for Sink Capabailities timed out. Used for retry error handling */
#define PE_FLAGS_SNK_WAIT_CAP_TIMEOUT BIT(10)
/* Power Supply voltage/current transition timed out */
#define PE_FLAGS_PS_TRANSITION_TIMEOUT BIT(11)
/* Flag to note current Atomic Message Sequence is interruptible */
#define PE_FLAGS_INTERRUPTIBLE_AMS BIT(12)
/* Flag to note Power Supply reset has completed */
#define PE_FLAGS_PS_RESET_COMPLETE BIT(13)
/* VCONN swap operation has completed */
#define PE_FLAGS_VCONN_SWAP_COMPLETE BIT(14)
/* Flag to note no more setup VDMs (discovery, etc.) should be sent */
#define PE_FLAGS_VDM_SETUP_DONE BIT(15)
/* Flag to note Swap Source Start timer should be set at PE_SRC_Startup entry */
#define PE_FLAGS_RUN_SOURCE_START_TIMER BIT(16)
/* Flag to note Port Discovery port partner replied with BUSY */
#define PE_FLAGS_VDM_REQUEST_BUSY BIT(17)
/* Flag to note Port Discovery port partner replied with NAK */
#define PE_FLAGS_VDM_REQUEST_NAKED BIT(18)
/* Flag to note FRS/PRS context in shared state machine path */
#define PE_FLAGS_FAST_ROLE_SWAP_PATH BIT(19)
/* Flag to note if FRS listening is enabled */
#define PE_FLAGS_FAST_ROLE_SWAP_ENABLED BIT(20)
/* Flag to note TCPC passed on FRS signal from port partner */
#define PE_FLAGS_FAST_ROLE_SWAP_SIGNALED BIT(21)
/* List of all Policy Engine level states */
enum usb_pe_state {
/* Super States */
PE_PRS_FRS_SHARED,
PE_VDM_SEND_REQUEST,
/* Normal States */
PE_SRC_STARTUP,
PE_SRC_DISCOVERY,
PE_SRC_SEND_CAPABILITIES,
PE_SRC_NEGOTIATE_CAPABILITY,
PE_SRC_TRANSITION_SUPPLY,
PE_SRC_READY,
PE_SRC_DISABLED,
PE_SRC_CAPABILITY_RESPONSE,
PE_SRC_HARD_RESET,
PE_SRC_HARD_RESET_RECEIVED,
PE_SRC_TRANSITION_TO_DEFAULT,
PE_SNK_STARTUP,
PE_SNK_DISCOVERY,
PE_SNK_WAIT_FOR_CAPABILITIES,
PE_SNK_EVALUATE_CAPABILITY,
PE_SNK_SELECT_CAPABILITY,
PE_SNK_READY,
PE_SNK_HARD_RESET,
PE_SNK_TRANSITION_TO_DEFAULT,
PE_SNK_GIVE_SINK_CAP,
PE_SNK_GET_SOURCE_CAP,
PE_SNK_TRANSITION_SINK,
PE_SEND_SOFT_RESET,
PE_SOFT_RESET,
PE_SEND_NOT_SUPPORTED,
PE_SRC_PING,
PE_DRS_EVALUATE_SWAP,
PE_DRS_CHANGE,
PE_DRS_SEND_SWAP,
PE_PRS_SRC_SNK_EVALUATE_SWAP,
PE_PRS_SRC_SNK_TRANSITION_TO_OFF,
PE_PRS_SRC_SNK_ASSERT_RD,
PE_PRS_SRC_SNK_WAIT_SOURCE_ON,
PE_PRS_SRC_SNK_SEND_SWAP,
PE_PRS_SNK_SRC_EVALUATE_SWAP,
PE_PRS_SNK_SRC_TRANSITION_TO_OFF,
PE_PRS_SNK_SRC_ASSERT_RP,
PE_PRS_SNK_SRC_SOURCE_ON,
PE_PRS_SNK_SRC_SEND_SWAP,
PE_VCS_EVALUATE_SWAP,
PE_VCS_SEND_SWAP,
PE_VCS_WAIT_FOR_VCONN_SWAP,
PE_VCS_TURN_ON_VCONN_SWAP,
PE_VCS_TURN_OFF_VCONN_SWAP,
PE_VCS_SEND_PS_RDY_SWAP,
PE_VCS_CBL_SEND_SOFT_RESET,
PE_VDM_IDENTITY_REQUEST_CBL,
PE_INIT_PORT_VDM_IDENTITY_REQUEST,
PE_INIT_VDM_SVIDS_REQUEST,
PE_INIT_VDM_MODES_REQUEST,
PE_VDM_REQUEST_DPM,
PE_VDM_RESPONSE,
PE_HANDLE_CUSTOM_VDM_REQUEST,
PE_WAIT_FOR_ERROR_RECOVERY,
PE_BIST_TX,
PE_DEU_SEND_ENTER_USB,
PE_DR_SNK_GET_SINK_CAP,
PE_DR_SNK_GIVE_SOURCE_CAP,
PE_DR_SRC_GET_SOURCE_CAP,
/* PD3.0 only states below here*/
PE_FRS_SNK_SRC_START_AMS,
PE_GIVE_BATTERY_CAP,
PE_GIVE_BATTERY_STATUS,
PE_SEND_ALERT,
PE_SRC_CHUNK_RECEIVED,
PE_SNK_CHUNK_RECEIVED,
};
void set_state_pe(const int port, const enum usb_pe_state new_state);
enum usb_pe_state get_state_pe(const int port);
void pe_set_flag(int port, int flag);
void pe_clr_flag(int port, int flag);
int pe_chk_flag(int port, int flag);
int pe_get_all_flags(int port);
void pe_set_all_flags(int port, int flags);
void pe_clr_dpm_requests(int port);
#endif /* __CROS_TEST_USB_PE_H */
|
