/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * pmbus.h - Common defines and structures for PMBus devices * * Copyright (c) 2010, 2011 Ericsson AB. * Copyright (c) 2012 Guenter Roeck */ #ifndef PMBUS_H #define PMBUS_H #include <linux/bitops.h> #include <linux/regulator/driver.h> /* * Registers */ enum pmbus_regs { … }; /* * OPERATION */ #define PB_OPERATION_CONTROL_ON … /* * ON_OFF_CONFIG */ #define PB_ON_OFF_CONFIG_POWERUP_CONTROL … #define PB_ON_OFF_CONFIG_OPERATION_REQ … #define PB_ON_OFF_CONFIG_EN_PIN_REQ … #define PB_ON_OFF_CONFIG_POLARITY_HIGH … #define PB_ON_OFF_CONFIG_TURN_OFF_FAST … /* * WRITE_PROTECT */ #define PB_WP_ALL … #define PB_WP_OP … #define PB_WP_VOUT … #define PB_WP_ANY … /* * CAPABILITY */ #define PB_CAPABILITY_SMBALERT … #define PB_CAPABILITY_ERROR_CHECK … /* * VOUT_MODE */ #define PB_VOUT_MODE_MODE_MASK … #define PB_VOUT_MODE_PARAM_MASK … #define PB_VOUT_MODE_LINEAR … #define PB_VOUT_MODE_VID … #define PB_VOUT_MODE_DIRECT … /* * Fan configuration */ #define PB_FAN_2_PULSE_MASK … #define PB_FAN_2_RPM … #define PB_FAN_2_INSTALLED … #define PB_FAN_1_PULSE_MASK … #define PB_FAN_1_RPM … #define PB_FAN_1_INSTALLED … enum pmbus_fan_mode { … }; /* * STATUS_BYTE, STATUS_WORD (lower) */ #define PB_STATUS_NONE_ABOVE … #define PB_STATUS_CML … #define PB_STATUS_TEMPERATURE … #define PB_STATUS_VIN_UV … #define PB_STATUS_IOUT_OC … #define PB_STATUS_VOUT_OV … #define PB_STATUS_OFF … #define PB_STATUS_BUSY … /* * STATUS_WORD (upper) */ #define PB_STATUS_UNKNOWN … #define PB_STATUS_OTHER … #define PB_STATUS_FANS … #define PB_STATUS_POWER_GOOD_N … #define PB_STATUS_WORD_MFR … #define PB_STATUS_INPUT … #define PB_STATUS_IOUT_POUT … #define PB_STATUS_VOUT … /* * STATUS_IOUT */ #define PB_POUT_OP_WARNING … #define PB_POUT_OP_FAULT … #define PB_POWER_LIMITING … #define PB_CURRENT_SHARE_FAULT … #define PB_IOUT_UC_FAULT … #define PB_IOUT_OC_WARNING … #define PB_IOUT_OC_LV_FAULT … #define PB_IOUT_OC_FAULT … /* * STATUS_VOUT, STATUS_INPUT */ #define PB_VOLTAGE_VIN_OFF … #define PB_VOLTAGE_UV_FAULT … #define PB_VOLTAGE_UV_WARNING … #define PB_VOLTAGE_OV_WARNING … #define PB_VOLTAGE_OV_FAULT … /* * STATUS_INPUT */ #define PB_PIN_OP_WARNING … #define PB_IIN_OC_WARNING … #define PB_IIN_OC_FAULT … /* * STATUS_TEMPERATURE */ #define PB_TEMP_UT_FAULT … #define PB_TEMP_UT_WARNING … #define PB_TEMP_OT_WARNING … #define PB_TEMP_OT_FAULT … /* * STATUS_FAN */ #define PB_FAN_AIRFLOW_WARNING … #define PB_FAN_AIRFLOW_FAULT … #define PB_FAN_FAN2_SPEED_OVERRIDE … #define PB_FAN_FAN1_SPEED_OVERRIDE … #define PB_FAN_FAN2_WARNING … #define PB_FAN_FAN1_WARNING … #define PB_FAN_FAN2_FAULT … #define PB_FAN_FAN1_FAULT … /* * CML_FAULT_STATUS */ #define PB_CML_FAULT_OTHER_MEM_LOGIC … #define PB_CML_FAULT_OTHER_COMM … #define PB_CML_FAULT_PROCESSOR … #define PB_CML_FAULT_MEMORY … #define PB_CML_FAULT_PACKET_ERROR … #define PB_CML_FAULT_INVALID_DATA … #define PB_CML_FAULT_INVALID_COMMAND … enum pmbus_sensor_classes { … }; #define PMBUS_PAGES … #define PMBUS_PHASES … /* Functionality bit mask */ #define PMBUS_HAVE_VIN … #define PMBUS_HAVE_VCAP … #define PMBUS_HAVE_VOUT … #define PMBUS_HAVE_IIN … #define PMBUS_HAVE_IOUT … #define PMBUS_HAVE_PIN … #define PMBUS_HAVE_POUT … #define PMBUS_HAVE_FAN12 … #define PMBUS_HAVE_FAN34 … #define PMBUS_HAVE_TEMP … #define PMBUS_HAVE_TEMP2 … #define PMBUS_HAVE_TEMP3 … #define PMBUS_HAVE_STATUS_VOUT … #define PMBUS_HAVE_STATUS_IOUT … #define PMBUS_HAVE_STATUS_INPUT … #define PMBUS_HAVE_STATUS_TEMP … #define PMBUS_HAVE_STATUS_FAN12 … #define PMBUS_HAVE_STATUS_FAN34 … #define PMBUS_HAVE_VMON … #define PMBUS_HAVE_STATUS_VMON … #define PMBUS_HAVE_PWM12 … #define PMBUS_HAVE_PWM34 … #define PMBUS_HAVE_SAMPLES … #define PMBUS_PHASE_VIRTUAL … #define PMBUS_PAGE_VIRTUAL … enum pmbus_data_format { … }; enum vrm_version { … }; struct pmbus_driver_info { … }; /* Regulator ops */ extern const struct regulator_ops pmbus_regulator_ops; /* Macros for filling in array of struct regulator_desc */ #define PMBUS_REGULATOR_STEP(_name, _id, _voltages, _step, _min_uV) … #define PMBUS_REGULATOR(_name, _id) … #define PMBUS_REGULATOR_STEP_ONE(_name, _voltages, _step, _min_uV) … #define PMBUS_REGULATOR_ONE(_name) … /* Function declarations */ void pmbus_clear_cache(struct i2c_client *client); void pmbus_set_update(struct i2c_client *client, u8 reg, bool update); int pmbus_set_page(struct i2c_client *client, int page, int phase); int pmbus_read_word_data(struct i2c_client *client, int page, int phase, u8 reg); int pmbus_write_word_data(struct i2c_client *client, int page, u8 reg, u16 word); int pmbus_read_byte_data(struct i2c_client *client, int page, u8 reg); int pmbus_write_byte(struct i2c_client *client, int page, u8 value); int pmbus_write_byte_data(struct i2c_client *client, int page, u8 reg, u8 value); int pmbus_update_byte_data(struct i2c_client *client, int page, u8 reg, u8 mask, u8 value); void pmbus_clear_faults(struct i2c_client *client); bool pmbus_check_byte_register(struct i2c_client *client, int page, int reg); bool pmbus_check_word_register(struct i2c_client *client, int page, int reg); int pmbus_do_probe(struct i2c_client *client, struct pmbus_driver_info *info); const struct pmbus_driver_info *pmbus_get_driver_info(struct i2c_client *client); int pmbus_get_fan_rate_device(struct i2c_client *client, int page, int id, enum pmbus_fan_mode mode); int pmbus_get_fan_rate_cached(struct i2c_client *client, int page, int id, enum pmbus_fan_mode mode); int pmbus_lock_interruptible(struct i2c_client *client); void pmbus_unlock(struct i2c_client *client); int pmbus_update_fan(struct i2c_client *client, int page, int id, u8 config, u8 mask, u16 command); struct dentry *pmbus_get_debugfs_dir(struct i2c_client *client); #endif /* PMBUS_H */
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