tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * Copyright 2015-2017 Google, Inc
4 *
5 * USB Type-C Port Controller Interface.
6 */
7
8#ifndef __LINUX_USB_TCPCI_H
9#define __LINUX_USB_TCPCI_H
10
11#define TCPC_VENDOR_ID 0x0
12#define TCPC_PRODUCT_ID 0x2
13#define TCPC_BCD_DEV 0x4
14#define TCPC_TC_REV 0x6
15#define TCPC_PD_REV 0x8
16#define TCPC_PD_INT_REV 0xa
17
18#define TCPC_ALERT 0x10
19#define TCPC_ALERT_VBUS_DISCNCT BIT(11)
20#define TCPC_ALERT_RX_BUF_OVF BIT(10)
21#define TCPC_ALERT_FAULT BIT(9)
22#define TCPC_ALERT_V_ALARM_LO BIT(8)
23#define TCPC_ALERT_V_ALARM_HI BIT(7)
24#define TCPC_ALERT_TX_SUCCESS BIT(6)
25#define TCPC_ALERT_TX_DISCARDED BIT(5)
26#define TCPC_ALERT_TX_FAILED BIT(4)
27#define TCPC_ALERT_RX_HARD_RST BIT(3)
28#define TCPC_ALERT_RX_STATUS BIT(2)
29#define TCPC_ALERT_POWER_STATUS BIT(1)
30#define TCPC_ALERT_CC_STATUS BIT(0)
31
32#define TCPC_ALERT_MASK 0x12
33#define TCPC_POWER_STATUS_MASK 0x14
34#define TCPC_FAULT_STATUS_MASK 0x15
35#define TCPC_CONFIG_STD_OUTPUT 0x18
36
37#define TCPC_TCPC_CTRL 0x19
38#define TCPC_TCPC_CTRL_ORIENTATION BIT(0)
39
40#define TCPC_ROLE_CTRL 0x1a
41#define TCPC_ROLE_CTRL_DRP BIT(6)
42#define TCPC_ROLE_CTRL_RP_VAL_SHIFT 4
43#define TCPC_ROLE_CTRL_RP_VAL_MASK 0x3
44#define TCPC_ROLE_CTRL_RP_VAL_DEF 0x0
45#define TCPC_ROLE_CTRL_RP_VAL_1_5 0x1
46#define TCPC_ROLE_CTRL_RP_VAL_3_0 0x2
47#define TCPC_ROLE_CTRL_CC2_SHIFT 2
48#define TCPC_ROLE_CTRL_CC2_MASK 0x3
49#define TCPC_ROLE_CTRL_CC1_SHIFT 0
50#define TCPC_ROLE_CTRL_CC1_MASK 0x3
51#define TCPC_ROLE_CTRL_CC_RA 0x0
52#define TCPC_ROLE_CTRL_CC_RP 0x1
53#define TCPC_ROLE_CTRL_CC_RD 0x2
54#define TCPC_ROLE_CTRL_CC_OPEN 0x3
55
56#define TCPC_FAULT_CTRL 0x1b
57
58#define TCPC_POWER_CTRL 0x1c
59#define TCPC_POWER_CTRL_VCONN_ENABLE BIT(0)
60
61#define TCPC_CC_STATUS 0x1d
62#define TCPC_CC_STATUS_TOGGLING BIT(5)
63#define TCPC_CC_STATUS_TERM BIT(4)
64#define TCPC_CC_STATUS_CC2_SHIFT 2
65#define TCPC_CC_STATUS_CC2_MASK 0x3
66#define TCPC_CC_STATUS_CC1_SHIFT 0
67#define TCPC_CC_STATUS_CC1_MASK 0x3
68
69#define TCPC_POWER_STATUS 0x1e
70#define TCPC_POWER_STATUS_UNINIT BIT(6)
71#define TCPC_POWER_STATUS_VBUS_DET BIT(3)
72#define TCPC_POWER_STATUS_VBUS_PRES BIT(2)
73
74#define TCPC_FAULT_STATUS 0x1f
75
76#define TCPC_COMMAND 0x23
77#define TCPC_CMD_WAKE_I2C 0x11
78#define TCPC_CMD_DISABLE_VBUS_DETECT 0x22
79#define TCPC_CMD_ENABLE_VBUS_DETECT 0x33
80#define TCPC_CMD_DISABLE_SINK_VBUS 0x44
81#define TCPC_CMD_SINK_VBUS 0x55
82#define TCPC_CMD_DISABLE_SRC_VBUS 0x66
83#define TCPC_CMD_SRC_VBUS_DEFAULT 0x77
84#define TCPC_CMD_SRC_VBUS_HIGH 0x88
85#define TCPC_CMD_LOOK4CONNECTION 0x99
86#define TCPC_CMD_RXONEMORE 0xAA
87#define TCPC_CMD_I2C_IDLE 0xFF
88
89#define TCPC_DEV_CAP_1 0x24
90#define TCPC_DEV_CAP_2 0x26
91#define TCPC_STD_INPUT_CAP 0x28
92#define TCPC_STD_OUTPUT_CAP 0x29
93
94#define TCPC_MSG_HDR_INFO 0x2e
95#define TCPC_MSG_HDR_INFO_DATA_ROLE BIT(3)
96#define TCPC_MSG_HDR_INFO_PWR_ROLE BIT(0)
97#define TCPC_MSG_HDR_INFO_REV_SHIFT 1
98#define TCPC_MSG_HDR_INFO_REV_MASK 0x3
99
100#define TCPC_RX_DETECT 0x2f
101#define TCPC_RX_DETECT_HARD_RESET BIT(5)
102#define TCPC_RX_DETECT_SOP BIT(0)
103
104#define TCPC_RX_BYTE_CNT 0x30
105#define TCPC_RX_BUF_FRAME_TYPE 0x31
106#define TCPC_RX_HDR 0x32
107#define TCPC_RX_DATA 0x34 /* through 0x4f */
108
109#define TCPC_TRANSMIT 0x50
110#define TCPC_TRANSMIT_RETRY_SHIFT 4
111#define TCPC_TRANSMIT_RETRY_MASK 0x3
112#define TCPC_TRANSMIT_TYPE_SHIFT 0
113#define TCPC_TRANSMIT_TYPE_MASK 0x7
114
115#define TCPC_TX_BYTE_CNT 0x51
116#define TCPC_TX_HDR 0x52
117#define TCPC_TX_DATA 0x54 /* through 0x6f */
118
119#define TCPC_VBUS_VOLTAGE 0x70
120#define TCPC_VBUS_SINK_DISCONNECT_THRESH 0x72
121#define TCPC_VBUS_STOP_DISCHARGE_THRESH 0x74
122#define TCPC_VBUS_VOLTAGE_ALARM_HI_CFG 0x76
123#define TCPC_VBUS_VOLTAGE_ALARM_LO_CFG 0x78
124
125struct tcpci;
126struct tcpci_data {
127 struct regmap *regmap;
128 int (*init)(struct tcpci *tcpci, struct tcpci_data *data);
129 int (*set_vconn)(struct tcpci *tcpci, struct tcpci_data *data,
130 bool enable);
131 int (*start_drp_toggling)(struct tcpci *tcpci, struct tcpci_data *data,
132 enum typec_cc_status cc);
133};
134
135struct tcpci *tcpci_register_port(struct device *dev, struct tcpci_data *data);
136void tcpci_unregister_port(struct tcpci *tcpci);
137irqreturn_t tcpci_irq(struct tcpci *tcpci);
138
139#endif /* __LINUX_USB_TCPCI_H */