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 124 125 struct tcpci; 126 struct 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 }; 134 135 struct tcpci *tcpci_register_port(struct device *dev, struct tcpci_data *data); 136 void tcpci_unregister_port(struct tcpci *tcpci); 137 irqreturn_t tcpci_irq(struct tcpci *tcpci); 138 139 #endif /* __LINUX_USB_TCPCI_H */ 140
