/* 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 #include <linux/usb/typec.h> #include <linux/usb/tcpm.h> #define TCPC_VENDOR_ID … #define TCPC_PRODUCT_ID … #define TCPC_BCD_DEV … #define TCPC_TC_REV … #define TCPC_PD_REV … #define TCPC_PD_INT_REV … #define TCPC_ALERT … #define TCPC_ALERT_EXTND … #define TCPC_ALERT_EXTENDED_STATUS … #define TCPC_ALERT_VBUS_DISCNCT … #define TCPC_ALERT_RX_BUF_OVF … #define TCPC_ALERT_FAULT … #define TCPC_ALERT_V_ALARM_LO … #define TCPC_ALERT_V_ALARM_HI … #define TCPC_ALERT_TX_SUCCESS … #define TCPC_ALERT_TX_DISCARDED … #define TCPC_ALERT_TX_FAILED … #define TCPC_ALERT_RX_HARD_RST … #define TCPC_ALERT_RX_STATUS … #define TCPC_ALERT_POWER_STATUS … #define TCPC_ALERT_CC_STATUS … #define TCPC_ALERT_MASK … #define TCPC_POWER_STATUS_MASK … #define TCPC_FAULT_STATUS_MASK … #define TCPC_FAULT_STATUS_MASK_VCONN_OC … #define TCPC_EXTENDED_STATUS_MASK … #define TCPC_EXTENDED_STATUS_MASK_VSAFE0V … #define TCPC_ALERT_EXTENDED_MASK … #define TCPC_SINK_FAST_ROLE_SWAP … #define TCPC_CONFIG_STD_OUTPUT … #define TCPC_CONFIG_STD_OUTPUT_ORIENTATION_MASK … #define TCPC_CONFIG_STD_OUTPUT_ORIENTATION_NORMAL … #define TCPC_CONFIG_STD_OUTPUT_ORIENTATION_FLIPPED … #define TCPC_TCPC_CTRL … #define TCPC_TCPC_CTRL_ORIENTATION … #define PLUG_ORNT_CC1 … #define PLUG_ORNT_CC2 … #define TCPC_TCPC_CTRL_BIST_TM … #define TCPC_TCPC_CTRL_EN_LK4CONN_ALRT … #define TCPC_EXTENDED_STATUS … #define TCPC_EXTENDED_STATUS_VSAFE0V … #define TCPC_ROLE_CTRL … #define TCPC_ROLE_CTRL_DRP … #define TCPC_ROLE_CTRL_RP_VAL_SHIFT … #define TCPC_ROLE_CTRL_RP_VAL_MASK … #define TCPC_ROLE_CTRL_RP_VAL_DEF … #define TCPC_ROLE_CTRL_RP_VAL_1_5 … #define TCPC_ROLE_CTRL_RP_VAL_3_0 … #define TCPC_ROLE_CTRL_CC2_SHIFT … #define TCPC_ROLE_CTRL_CC2_MASK … #define TCPC_ROLE_CTRL_CC1_SHIFT … #define TCPC_ROLE_CTRL_CC1_MASK … #define TCPC_ROLE_CTRL_CC_RA … #define TCPC_ROLE_CTRL_CC_RP … #define TCPC_ROLE_CTRL_CC_RD … #define TCPC_ROLE_CTRL_CC_OPEN … #define TCPC_FAULT_CTRL … #define TCPC_POWER_CTRL … #define TCPC_POWER_CTRL_VCONN_ENABLE … #define TCPC_POWER_CTRL_BLEED_DISCHARGE … #define TCPC_POWER_CTRL_AUTO_DISCHARGE … #define TCPC_DIS_VOLT_ALRM … #define TCPC_POWER_CTRL_VBUS_VOLT_MON … #define TCPC_FAST_ROLE_SWAP_EN … #define TCPC_CC_STATUS … #define TCPC_CC_STATUS_TOGGLING … #define TCPC_CC_STATUS_TERM … #define TCPC_CC_STATUS_TERM_RP … #define TCPC_CC_STATUS_TERM_RD … #define TCPC_CC_STATE_SRC_OPEN … #define TCPC_CC_STATUS_CC2_SHIFT … #define TCPC_CC_STATUS_CC2_MASK … #define TCPC_CC_STATUS_CC1_SHIFT … #define TCPC_CC_STATUS_CC1_MASK … #define TCPC_POWER_STATUS … #define TCPC_POWER_STATUS_DBG_ACC_CON … #define TCPC_POWER_STATUS_UNINIT … #define TCPC_POWER_STATUS_SOURCING_VBUS … #define TCPC_POWER_STATUS_VBUS_DET … #define TCPC_POWER_STATUS_VBUS_PRES … #define TCPC_POWER_STATUS_VCONN_PRES … #define TCPC_POWER_STATUS_SINKING_VBUS … #define TCPC_FAULT_STATUS … #define TCPC_FAULT_STATUS_ALL_REG_RST_TO_DEFAULT … #define TCPC_FAULT_STATUS_VCONN_OC … #define TCPC_ALERT_EXTENDED … #define TCPC_COMMAND … #define TCPC_CMD_WAKE_I2C … #define TCPC_CMD_DISABLE_VBUS_DETECT … #define TCPC_CMD_ENABLE_VBUS_DETECT … #define TCPC_CMD_DISABLE_SINK_VBUS … #define TCPC_CMD_SINK_VBUS … #define TCPC_CMD_DISABLE_SRC_VBUS … #define TCPC_CMD_SRC_VBUS_DEFAULT … #define TCPC_CMD_SRC_VBUS_HIGH … #define TCPC_CMD_LOOK4CONNECTION … #define TCPC_CMD_RXONEMORE … #define TCPC_CMD_I2C_IDLE … #define TCPC_DEV_CAP_1 … #define TCPC_DEV_CAP_2 … #define TCPC_STD_INPUT_CAP … #define TCPC_STD_OUTPUT_CAP … #define TCPC_STD_OUTPUT_CAP_ORIENTATION … #define TCPC_MSG_HDR_INFO … #define TCPC_MSG_HDR_INFO_DATA_ROLE … #define TCPC_MSG_HDR_INFO_PWR_ROLE … #define TCPC_MSG_HDR_INFO_REV_SHIFT … #define TCPC_MSG_HDR_INFO_REV_MASK … #define TCPC_RX_DETECT … #define TCPC_RX_DETECT_HARD_RESET … #define TCPC_RX_DETECT_SOP … #define TCPC_RX_DETECT_SOP1 … #define TCPC_RX_DETECT_SOP2 … #define TCPC_RX_DETECT_DBG1 … #define TCPC_RX_DETECT_DBG2 … #define TCPC_RX_BYTE_CNT … #define TCPC_RX_BUF_FRAME_TYPE … #define TCPC_RX_BUF_FRAME_TYPE_SOP … #define TCPC_RX_BUF_FRAME_TYPE_SOP1 … #define TCPC_RX_HDR … #define TCPC_RX_DATA … #define TCPC_TRANSMIT … #define TCPC_TRANSMIT_RETRY_SHIFT … #define TCPC_TRANSMIT_RETRY_MASK … #define TCPC_TRANSMIT_TYPE_SHIFT … #define TCPC_TRANSMIT_TYPE_MASK … #define TCPC_TX_BYTE_CNT … #define TCPC_TX_HDR … #define TCPC_TX_DATA … #define TCPC_VBUS_VOLTAGE … #define TCPC_VBUS_VOLTAGE_MASK … #define TCPC_VBUS_VOLTAGE_LSB_MV … #define TCPC_VBUS_SINK_DISCONNECT_THRESH … #define TCPC_VBUS_SINK_DISCONNECT_THRESH_LSB_MV … #define TCPC_VBUS_SINK_DISCONNECT_THRESH_MAX … #define TCPC_VBUS_STOP_DISCHARGE_THRESH … #define TCPC_VBUS_VOLTAGE_ALARM_HI_CFG … #define TCPC_VBUS_VOLTAGE_ALARM_LO_CFG … /* I2C_WRITE_BYTE_COUNT + 1 when TX_BUF_BYTE_x is only accessible I2C_WRITE_BYTE_COUNT */ #define TCPC_TRANSMIT_BUFFER_MAX_LEN … #define tcpc_presenting_rd(reg, cc) … struct tcpci; /* * @TX_BUF_BYTE_x_hidden: * optional; Set when TX_BUF_BYTE_x can only be accessed through I2C_WRITE_BYTE_COUNT. * @frs_sourcing_vbus: * Optional; Callback to perform chip specific operations when FRS * is sourcing vbus. * @auto_discharge_disconnect: * Optional; Enables TCPC to autonously discharge vbus on disconnect. * @vbus_vsafe0v: * optional; Set when TCPC can detect whether vbus is at VSAFE0V. * @set_partner_usb_comm_capable: * Optional; The USB Communications Capable bit indicates if port * partner is capable of communication over the USB data lines * (e.g. D+/- or SS Tx/Rx). Called to notify the status of the bit. * @check_contaminant: * Optional; The callback is invoked when chiplevel drivers indicated * that the USB port needs to be checked for contaminant presence. * Chip level drivers are expected to check for contaminant and call * tcpm_clean_port when the port is clean to put the port back into * toggling state. * @cable_comm_capable * optional; Set when TCPC can communicate with cable plugs over SOP' * @attempt_vconn_swap_discovery: * Optional; The callback is called by the TCPM when the result of * a Discover Identity request indicates that the port partner is * a receptacle capable of modal operation. Chip level TCPCI drivers * can implement their own policy to determine if and when a Vconn * swap following Discover Identity on SOP' occurs. * Return true when the TCPM is allowed to request a Vconn swap * after Discovery Identity on SOP. * @set_orientation: * Optional; Enable setting the connector orientation * CONFIG_STANDARD_OUTPUT (0x18) bit0. */ struct tcpci_data { … }; 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); struct tcpm_port; struct tcpm_port *tcpci_get_tcpm_port(struct tcpci *tcpci); static inline enum typec_cc_status tcpci_to_typec_cc(unsigned int cc, bool sink) { … } #endif /* __LINUX_USB_TCPCI_H */
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