diff options
Diffstat (limited to 'drivers/usb/typec/tcpm/tcpci.h')
| -rw-r--r-- | drivers/usb/typec/tcpm/tcpci.h | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/drivers/usb/typec/tcpm/tcpci.h b/drivers/usb/typec/tcpm/tcpci.h new file mode 100644 index 000000000000..303ebde26546 --- /dev/null +++ b/drivers/usb/typec/tcpm/tcpci.h @@ -0,0 +1,139 @@ +/* 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_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 */ |