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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright 2015-2017 Google, Inc
*
* USB Type-C Port Controller Interface.
*/
#ifndef __LINUX_USB_TCPCI_H
#define __LINUX_USB_TCPCI_H
#define TCPC_VENDOR_ID 0x0
#define TCPC_PRODUCT_ID 0x2
#define TCPC_BCD_DEV 0x4
#define TCPC_TC_REV 0x6
#define TCPC_PD_REV 0x8
#define TCPC_PD_INT_REV 0xa
#define TCPC_ALERT 0x10
#define TCPC_ALERT_VBUS_DISCNCT BIT(11)
#define TCPC_ALERT_RX_BUF_OVF BIT(10)
#define TCPC_ALERT_FAULT BIT(9)
#define TCPC_ALERT_V_ALARM_LO BIT(8)
#define TCPC_ALERT_V_ALARM_HI BIT(7)
#define TCPC_ALERT_TX_SUCCESS BIT(6)
#define TCPC_ALERT_TX_DISCARDED BIT(5)
#define TCPC_ALERT_TX_FAILED BIT(4)
#define TCPC_ALERT_RX_HARD_RST BIT(3)
#define TCPC_ALERT_RX_STATUS BIT(2)
#define TCPC_ALERT_POWER_STATUS BIT(1)
#define TCPC_ALERT_CC_STATUS BIT(0)
#define TCPC_ALERT_MASK 0x12
#define TCPC_POWER_STATUS_MASK 0x14
#define TCPC_FAULT_STATUS_MASK 0x15
#define TCPC_CONFIG_STD_OUTPUT 0x18
#define TCPC_TCPC_CTRL 0x19
#define TCPC_TCPC_CTRL_ORIENTATION BIT(0)
#define TCPC_ROLE_CTRL 0x1a
#define TCPC_ROLE_CTRL_DRP BIT(6)
#define TCPC_ROLE_CTRL_RP_VAL_SHIFT 4
#define TCPC_ROLE_CTRL_RP_VAL_MASK 0x3
#define TCPC_ROLE_CTRL_RP_VAL_DEF 0x0
#define TCPC_ROLE_CTRL_RP_VAL_1_5 0x1
#define TCPC_ROLE_CTRL_RP_VAL_3_0 0x2
#define TCPC_ROLE_CTRL_CC2_SHIFT 2
#define TCPC_ROLE_CTRL_CC2_MASK 0x3
#define TCPC_ROLE_CTRL_CC1_SHIFT 0
#define TCPC_ROLE_CTRL_CC1_MASK 0x3
#define TCPC_ROLE_CTRL_CC_RA 0x0
#define TCPC_ROLE_CTRL_CC_RP 0x1
#define TCPC_ROLE_CTRL_CC_RD 0x2
#define TCPC_ROLE_CTRL_CC_OPEN 0x3
#define TCPC_FAULT_CTRL 0x1b
#define TCPC_POWER_CTRL 0x1c
#define TCPC_POWER_CTRL_VCONN_ENABLE BIT(0)
#define TCPC_CC_STATUS 0x1d
#define TCPC_CC_STATUS_TOGGLING BIT(5)
#define TCPC_CC_STATUS_TERM BIT(4)
#define TCPC_CC_STATUS_CC2_SHIFT 2
#define TCPC_CC_STATUS_CC2_MASK 0x3
#define TCPC_CC_STATUS_CC1_SHIFT 0
#define TCPC_CC_STATUS_CC1_MASK 0x3
#define TCPC_POWER_STATUS 0x1e
#define TCPC_POWER_STATUS_UNINIT BIT(6)
#define TCPC_POWER_STATUS_VBUS_DET BIT(3)
#define TCPC_POWER_STATUS_VBUS_PRES BIT(2)
#define TCPC_FAULT_STATUS 0x1f
#define TCPC_FAULT_STATUS_ALL_REG_RST_TO_DEFAULT BIT(7)
#define TCPC_COMMAND 0x23
#define TCPC_CMD_WAKE_I2C 0x11
#define TCPC_CMD_DISABLE_VBUS_DETECT 0x22
#define TCPC_CMD_ENABLE_VBUS_DETECT 0x33
#define TCPC_CMD_DISABLE_SINK_VBUS 0x44
#define TCPC_CMD_SINK_VBUS 0x55
#define TCPC_CMD_DISABLE_SRC_VBUS 0x66
#define TCPC_CMD_SRC_VBUS_DEFAULT 0x77
#define TCPC_CMD_SRC_VBUS_HIGH 0x88
#define TCPC_CMD_LOOK4CONNECTION 0x99
#define TCPC_CMD_RXONEMORE 0xAA
#define TCPC_CMD_I2C_IDLE 0xFF
#define TCPC_DEV_CAP_1 0x24
#define TCPC_DEV_CAP_2 0x26
#define TCPC_STD_INPUT_CAP 0x28
#define TCPC_STD_OUTPUT_CAP 0x29
#define TCPC_MSG_HDR_INFO 0x2e
#define TCPC_MSG_HDR_INFO_DATA_ROLE BIT(3)
#define TCPC_MSG_HDR_INFO_PWR_ROLE BIT(0)
#define TCPC_MSG_HDR_INFO_REV_SHIFT 1
#define TCPC_MSG_HDR_INFO_REV_MASK 0x3
#define TCPC_RX_DETECT 0x2f
#define TCPC_RX_DETECT_HARD_RESET BIT(5)
#define TCPC_RX_DETECT_SOP BIT(0)
#define TCPC_RX_BYTE_CNT 0x30
#define TCPC_RX_BUF_FRAME_TYPE 0x31
#define TCPC_RX_HDR 0x32
#define TCPC_RX_DATA 0x34 /* through 0x4f */
#define TCPC_TRANSMIT 0x50
#define TCPC_TRANSMIT_RETRY_SHIFT 4
#define TCPC_TRANSMIT_RETRY_MASK 0x3
#define TCPC_TRANSMIT_TYPE_SHIFT 0
#define TCPC_TRANSMIT_TYPE_MASK 0x7
#define TCPC_TX_BYTE_CNT 0x51
#define TCPC_TX_HDR 0x52
#define TCPC_TX_DATA 0x54 /* through 0x6f */
#define TCPC_VBUS_VOLTAGE 0x70
#define TCPC_VBUS_SINK_DISCONNECT_THRESH 0x72
#define TCPC_VBUS_STOP_DISCHARGE_THRESH 0x74
#define TCPC_VBUS_VOLTAGE_ALARM_HI_CFG 0x76
#define TCPC_VBUS_VOLTAGE_ALARM_LO_CFG 0x78
struct tcpci;
struct tcpci_data {
struct regmap *regmap;
int (*init)(struct tcpci *tcpci, struct tcpci_data *data);
int (*set_vconn)(struct tcpci *tcpci, struct tcpci_data *data,
bool enable);
int (*start_drp_toggling)(struct tcpci *tcpci, struct tcpci_data *data,
enum typec_cc_status cc);
};
struct tcpci *tcpci_register_port(struct device *dev, struct tcpci_data *data);
void tcpci_unregister_port(struct tcpci *tcpci);
irqreturn_t tcpci_irq(struct tcpci *tcpci);
#endif /* __LINUX_USB_TCPCI_H */
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