| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Guenter Roeck | 416 | 49.94% | 2 | 8.00% |
| Badhri Jagan Sridharan | 199 | 23.89% | 16 | 64.00% |
| ShuFan Lee | 148 | 17.77% | 2 | 8.00% |
| Gene Chen | 60 | 7.20% | 1 | 4.00% |
| Marco Felsch | 4 | 0.48% | 1 | 4.00% |
| Xu Yang | 4 | 0.48% | 1 | 4.00% |
| Greg Kroah-Hartman | 2 | 0.24% | 2 | 8.00% |
| Total | 833 | 25 |
/* 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 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_EXTND BIT(14) #define TCPC_ALERT_EXTENDED_STATUS BIT(13) #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_EXTENDED_STATUS_MASK 0x16 #define TCPC_EXTENDED_STATUS_MASK_VSAFE0V BIT(0) #define TCPC_ALERT_EXTENDED_MASK 0x17 #define TCPC_SINK_FAST_ROLE_SWAP BIT(0) #define TCPC_CONFIG_STD_OUTPUT 0x18 #define TCPC_TCPC_CTRL 0x19 #define TCPC_TCPC_CTRL_ORIENTATION BIT(0) #define PLUG_ORNT_CC1 0 #define PLUG_ORNT_CC2 1 #define TCPC_TCPC_CTRL_BIST_TM BIT(1) #define TCPC_TCPC_CTRL_EN_LK4CONN_ALRT BIT(6) #define TCPC_EXTENDED_STATUS 0x20 #define TCPC_EXTENDED_STATUS_VSAFE0V 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_POWER_CTRL_BLEED_DISCHARGE BIT(3) #define TCPC_POWER_CTRL_AUTO_DISCHARGE BIT(4) #define TCPC_DIS_VOLT_ALRM BIT(5) #define TCPC_POWER_CTRL_VBUS_VOLT_MON BIT(6) #define TCPC_FAST_ROLE_SWAP_EN BIT(7) #define TCPC_CC_STATUS 0x1d #define TCPC_CC_STATUS_TOGGLING BIT(5) #define TCPC_CC_STATUS_TERM BIT(4) #define TCPC_CC_STATUS_TERM_RP 0 #define TCPC_CC_STATUS_TERM_RD 1 #define TCPC_CC_STATE_SRC_OPEN 0 #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_DBG_ACC_CON BIT(7) #define TCPC_POWER_STATUS_UNINIT BIT(6) #define TCPC_POWER_STATUS_SOURCING_VBUS BIT(4) #define TCPC_POWER_STATUS_VBUS_DET BIT(3) #define TCPC_POWER_STATUS_VBUS_PRES BIT(2) #define TCPC_POWER_STATUS_VCONN_PRES BIT(1) #define TCPC_POWER_STATUS_SINKING_VBUS BIT(0) #define TCPC_FAULT_STATUS 0x1f #define TCPC_FAULT_STATUS_ALL_REG_RST_TO_DEFAULT BIT(7) #define TCPC_ALERT_EXTENDED 0x21 #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_DETECT_SOP1 BIT(1) #define TCPC_RX_DETECT_SOP2 BIT(2) #define TCPC_RX_DETECT_DBG1 BIT(3) #define TCPC_RX_DETECT_DBG2 BIT(4) #define TCPC_RX_BYTE_CNT 0x30 #define TCPC_RX_BUF_FRAME_TYPE 0x31 #define TCPC_RX_BUF_FRAME_TYPE_SOP 0 #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_VOLTAGE_MASK 0x3ff #define TCPC_VBUS_VOLTAGE_LSB_MV 25 #define TCPC_VBUS_SINK_DISCONNECT_THRESH 0x72 #define TCPC_VBUS_SINK_DISCONNECT_THRESH_LSB_MV 25 #define TCPC_VBUS_SINK_DISCONNECT_THRESH_MAX 0x3ff #define TCPC_VBUS_STOP_DISCHARGE_THRESH 0x74 #define TCPC_VBUS_VOLTAGE_ALARM_HI_CFG 0x76 #define TCPC_VBUS_VOLTAGE_ALARM_LO_CFG 0x78 /* I2C_WRITE_BYTE_COUNT + 1 when TX_BUF_BYTE_x is only accessible I2C_WRITE_BYTE_COUNT */ #define TCPC_TRANSMIT_BUFFER_MAX_LEN 31 #define tcpc_presenting_rd(reg, cc) \ (!(TCPC_ROLE_CTRL_DRP & (reg)) && \ (((reg) & (TCPC_ROLE_CTRL_## cc ##_MASK << TCPC_ROLE_CTRL_## cc ##_SHIFT)) == \ (TCPC_ROLE_CTRL_CC_RD << TCPC_ROLE_CTRL_## cc ##_SHIFT))) 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. */ struct tcpci_data { struct regmap *regmap; unsigned char TX_BUF_BYTE_x_hidden:1; unsigned char auto_discharge_disconnect:1; unsigned char vbus_vsafe0v:1; 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); int (*set_vbus)(struct tcpci *tcpci, struct tcpci_data *data, bool source, bool sink); void (*frs_sourcing_vbus)(struct tcpci *tcpci, struct tcpci_data *data); void (*set_partner_usb_comm_capable)(struct tcpci *tcpci, struct tcpci_data *data, bool capable); void (*check_contaminant)(struct tcpci *tcpci, struct tcpci_data *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) { switch (cc) { case 0x1: return sink ? TYPEC_CC_RP_DEF : TYPEC_CC_RA; case 0x2: return sink ? TYPEC_CC_RP_1_5 : TYPEC_CC_RD; case 0x3: if (sink) return TYPEC_CC_RP_3_0; fallthrough; case 0x0: default: return TYPEC_CC_OPEN; } } #endif /* __LINUX_USB_TCPCI_H */
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