tcpci_priv.h

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/*
 * Copyright 2024 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */

 
#ifndef ZEPHYR_INCLUDE_DRIVERS_USB_C_TCPCI_PRIV_H_
#define ZEPHYR_INCLUDE_DRIVERS_USB_C_TCPCI_PRIV_H_
 
#include <stdint.h>
#include <zephyr/drivers/i2c.h>
#include <zephyr/usb_c/usbc.h>

struct tcpci_reg_dump_map {
        uint8_t addr;
        const char *name;
        uint8_t size;
};

#define TCPCI_STD_REGS_SIZE 38
extern const struct tcpci_reg_dump_map tcpci_std_regs[TCPCI_STD_REGS_SIZE];

#define PD_INT_REV10 0x10
#define PD_INT_REV20 0x20

int tcpci_read_reg8(const struct i2c_dt_spec *bus, uint8_t reg, uint8_t *value);

int tcpci_write_reg8(const struct i2c_dt_spec *bus, uint8_t reg, uint8_t value);

int tcpci_update_reg8(const struct i2c_dt_spec *bus, uint8_t reg, uint8_t mask, uint8_t value);

int tcpci_read_reg16(const struct i2c_dt_spec *bus, uint8_t reg, uint16_t *value);

int tcpci_write_reg16(const struct i2c_dt_spec *bus, uint8_t reg, uint16_t value);

enum tcpc_alert tcpci_alert_reg_to_enum(uint16_t reg);

int tcpci_tcpm_get_cc(const struct i2c_dt_spec *bus, enum tc_cc_voltage_state *cc1,
                      enum tc_cc_voltage_state *cc2);

int tcpci_tcpm_get_chip_info(const struct i2c_dt_spec *bus, struct tcpc_chip_info *chip_info);

int tcpci_tcpm_dump_std_reg(const struct i2c_dt_spec *bus);

int tcpci_tcpm_set_bist_test_mode(const struct i2c_dt_spec *bus, bool enable);

int tcpci_tcpm_transmit_data(const struct i2c_dt_spec *bus, struct pd_msg *msg,
                             const uint8_t retries);

int tcpci_tcpm_select_rp_value(const struct i2c_dt_spec *bus, enum tc_rp_value rp);

int tcpci_tcpm_get_rp_value(const struct i2c_dt_spec *bus, enum tc_rp_value *rp);

int tcpci_tcpm_set_cc(const struct i2c_dt_spec *bus, enum tc_cc_pull pull);

int tcpci_tcpm_set_drp_toggle(const struct i2c_dt_spec *bus, uint8_t pd_int_rev, bool enable);

int tcpci_tcpm_set_roles(const struct i2c_dt_spec *bus, enum pd_rev_type pd_rev,
                         enum tc_power_role power_role, enum tc_data_role data_role);

int tcpci_tcpm_set_rx_type(const struct i2c_dt_spec *bus, uint8_t type);

int tcpci_tcpm_set_cc_polarity(const struct i2c_dt_spec *bus, enum tc_cc_polarity polarity);

int tcpci_tcpm_set_vconn(const struct i2c_dt_spec *bus, bool enable);

int tcpci_tcpm_get_status_register(const struct i2c_dt_spec *bus, enum tcpc_status_reg reg,
                                   uint16_t *status);

int tcpci_tcpm_clear_status_register(const struct i2c_dt_spec *bus, enum tcpc_status_reg reg,
                                     uint16_t mask);

int tcpci_tcpm_mask_status_register(const struct i2c_dt_spec *bus, enum tcpc_status_reg reg,
                                    uint16_t mask);

int tcpci_tcpm_get_snk_ctrl(const struct i2c_dt_spec *bus, bool *sinking);

int tcpci_tcpm_get_src_ctrl(const struct i2c_dt_spec *bus, bool *sourcing);

int tcpci_tcpm_set_snk_ctrl(const struct i2c_dt_spec *bus, bool enable);

int tcpci_tcpm_set_src_ctrl(const struct i2c_dt_spec *bus, bool enable);

int tcpci_tcpm_set_debug_accessory(const struct i2c_dt_spec *bus, bool enable);

int tcpci_tcpm_set_low_power_mode(const struct i2c_dt_spec *bus, bool enable);
 
#endif /* ZEPHYR_INCLUDE_DRIVERS_USB_C_TCPCI_PRIV_H_ */