// SPDX-License-Identifier: GPL-2.0 /* * STMicroelectronics STUSB160x Type-C controller family driver * * Copyright (C) 2020, STMicroelectronics * Author(s): Amelie Delaunay <[email protected]> */ #include <linux/bitfield.h> #include <linux/i2c.h> #include <linux/interrupt.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/regmap.h> #include <linux/regulator/consumer.h> #include <linux/usb/role.h> #include <linux/usb/typec.h> #define STUSB160X_ALERT_STATUS … #define STUSB160X_ALERT_STATUS_MASK_CTRL … #define STUSB160X_CC_CONNECTION_STATUS_TRANS … #define STUSB160X_CC_CONNECTION_STATUS … #define STUSB160X_MONITORING_STATUS_TRANS … #define STUSB160X_MONITORING_STATUS … #define STUSB160X_CC_OPERATION_STATUS … #define STUSB160X_HW_FAULT_STATUS_TRANS … #define STUSB160X_HW_FAULT_STATUS … #define STUSB160X_CC_CAPABILITY_CTRL … #define STUSB160X_CC_VCONN_SWITCH_CTRL … #define STUSB160X_VCONN_MONITORING_CTRL … #define STUSB160X_VBUS_MONITORING_RANGE_CTRL … #define STUSB160X_RESET_CTRL … #define STUSB160X_VBUS_DISCHARGE_TIME_CTRL … #define STUSB160X_VBUS_DISCHARGE_STATUS … #define STUSB160X_VBUS_ENABLE_STATUS … #define STUSB160X_CC_POWER_MODE_CTRL … #define STUSB160X_VBUS_MONITORING_CTRL … #define STUSB1600_REG_MAX … /* STUSB160X_ALERT_STATUS/STUSB160X_ALERT_STATUS_MASK_CTRL bitfields */ #define STUSB160X_HW_FAULT … #define STUSB160X_MONITORING … #define STUSB160X_CC_CONNECTION … #define STUSB160X_ALL_ALERTS … /* STUSB160X_CC_CONNECTION_STATUS_TRANS bitfields */ #define STUSB160X_CC_ATTACH_TRANS … /* STUSB160X_CC_CONNECTION_STATUS bitfields */ #define STUSB160X_CC_ATTACH … #define STUSB160X_CC_VCONN_SUPPLY … #define STUSB160X_CC_DATA_ROLE(s) … #define STUSB160X_CC_POWER_ROLE(s) … #define STUSB160X_CC_ATTACHED_MODE … /* STUSB160X_MONITORING_STATUS_TRANS bitfields */ #define STUSB160X_VCONN_PRESENCE_TRANS … #define STUSB160X_VBUS_PRESENCE_TRANS … #define STUSB160X_VBUS_VSAFE0V_TRANS … #define STUSB160X_VBUS_VALID_TRANS … /* STUSB160X_MONITORING_STATUS bitfields */ #define STUSB160X_VCONN_PRESENCE … #define STUSB160X_VBUS_PRESENCE … #define STUSB160X_VBUS_VSAFE0V … #define STUSB160X_VBUS_VALID … /* STUSB160X_CC_OPERATION_STATUS bitfields */ #define STUSB160X_TYPEC_FSM_STATE … #define STUSB160X_SINK_POWER_STATE … #define STUSB160X_CC_ATTACHED … /* STUSB160X_HW_FAULT_STATUS_TRANS bitfields */ #define STUSB160X_VCONN_SW_OVP_FAULT_TRANS … #define STUSB160X_VCONN_SW_OCP_FAULT_TRANS … #define STUSB160X_VCONN_SW_RVP_FAULT_TRANS … #define STUSB160X_VPU_VALID_TRANS … #define STUSB160X_VPU_OVP_FAULT_TRANS … #define STUSB160X_THERMAL_FAULT … /* STUSB160X_HW_FAULT_STATUS bitfields */ #define STUSB160X_VCONN_SW_OVP_FAULT_CC2 … #define STUSB160X_VCONN_SW_OVP_FAULT_CC1 … #define STUSB160X_VCONN_SW_OCP_FAULT_CC2 … #define STUSB160X_VCONN_SW_OCP_FAULT_CC1 … #define STUSB160X_VCONN_SW_RVP_FAULT_CC2 … #define STUSB160X_VCONN_SW_RVP_FAULT_CC1 … #define STUSB160X_VPU_VALID … #define STUSB160X_VPU_OVP_FAULT … /* STUSB160X_CC_CAPABILITY_CTRL bitfields */ #define STUSB160X_CC_VCONN_SUPPLY_EN … #define STUSB160X_CC_VCONN_DISCHARGE_EN … #define STUSB160X_CC_CURRENT_ADVERTISED … /* STUSB160X_VCONN_SWITCH_CTRL bitfields */ #define STUSB160X_CC_VCONN_SWITCH_ILIM … /* STUSB160X_VCONN_MONITORING_CTRL bitfields */ #define STUSB160X_VCONN_UVLO_THRESHOLD … #define STUSB160X_VCONN_MONITORING_EN … /* STUSB160X_VBUS_MONITORING_RANGE_CTRL bitfields */ #define STUSB160X_SHIFT_LOW_VBUS_LIMIT … #define STUSB160X_SHIFT_HIGH_VBUS_LIMIT … /* STUSB160X_RESET_CTRL bitfields */ #define STUSB160X_SW_RESET_EN … /* STUSB160X_VBUS_DISCHARGE_TIME_CTRL bitfields */ #define STUSBXX02_VBUS_DISCHARGE_TIME_TO_PDO … #define STUSB160X_VBUS_DISCHARGE_TIME_TO_0V … /* STUSB160X_VBUS_DISCHARGE_STATUS bitfields */ #define STUSB160X_VBUS_DISCHARGE_EN … /* STUSB160X_VBUS_ENABLE_STATUS bitfields */ #define STUSB160X_VBUS_SOURCE_EN … #define STUSB160X_VBUS_SINK_EN … /* STUSB160X_CC_POWER_MODE_CTRL bitfields */ #define STUSB160X_CC_POWER_MODE … /* STUSB160X_VBUS_MONITORING_CTRL bitfields */ #define STUSB160X_VDD_UVLO_DISABLE … #define STUSB160X_VBUS_VSAFE0V_THRESHOLD … #define STUSB160X_VBUS_RANGE_DISABLE … #define STUSB160X_VDD_OVLO_DISABLE … enum stusb160x_pwr_mode { … }; enum stusb160x_attached_mode { … }; struct stusb160x { … }; static bool stusb160x_reg_writeable(struct device *dev, unsigned int reg) { … } static bool stusb160x_reg_readable(struct device *dev, unsigned int reg) { … } static bool stusb160x_reg_volatile(struct device *dev, unsigned int reg) { … } static bool stusb160x_reg_precious(struct device *dev, unsigned int reg) { … } static const struct regmap_config stusb1600_regmap_config = …; static bool stusb160x_get_vconn(struct stusb160x *chip) { … } static int stusb160x_set_vconn(struct stusb160x *chip, bool on) { … } static enum typec_pwr_opmode stusb160x_get_pwr_opmode(struct stusb160x *chip) { … } static enum typec_accessory stusb160x_get_accessory(u32 status) { … } static enum typec_role stusb160x_get_vconn_role(u32 status) { … } static void stusb160x_set_data_role(struct stusb160x *chip, enum typec_data_role data_role, bool attached) { … } static int stusb160x_attach(struct stusb160x *chip, u32 status) { … } static void stusb160x_detach(struct stusb160x *chip, u32 status) { … } static irqreturn_t stusb160x_irq_handler(int irq, void *data) { … } static int stusb160x_irq_init(struct stusb160x *chip, int irq) { … } static int stusb160x_chip_init(struct stusb160x *chip) { … } static int stusb160x_get_fw_caps(struct stusb160x *chip, struct fwnode_handle *fwnode) { … } static int stusb160x_get_caps(struct stusb160x *chip) { … } static const struct of_device_id stusb160x_of_match[] = …; MODULE_DEVICE_TABLE(of, stusb160x_of_match); static int stusb160x_probe(struct i2c_client *client) { … } static void stusb160x_remove(struct i2c_client *client) { … } static int __maybe_unused stusb160x_suspend(struct device *dev) { … } static int __maybe_unused stusb160x_resume(struct device *dev) { … } static SIMPLE_DEV_PM_OPS(stusb160x_pm_ops, stusb160x_suspend, stusb160x_resume); static struct i2c_driver stusb160x_driver = …; module_i2c_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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