// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) /* * LTC2992 - Dual Wide Range Power Monitor * * Copyright 2020 Analog Devices Inc. */ #include <linux/bitfield.h> #include <linux/bitops.h> #include <linux/err.h> #include <linux/gpio/driver.h> #include <linux/hwmon.h> #include <linux/i2c.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/property.h> #include <linux/regmap.h> #define LTC2992_CTRLB … #define LTC2992_FAULT1 … #define LTC2992_POWER1 … #define LTC2992_POWER1_MAX … #define LTC2992_POWER1_MIN … #define LTC2992_POWER1_MAX_THRESH … #define LTC2992_POWER1_MIN_THRESH … #define LTC2992_DSENSE1 … #define LTC2992_DSENSE1_MAX … #define LTC2992_DSENSE1_MIN … #define LTC2992_DSENSE1_MAX_THRESH … #define LTC2992_DSENSE1_MIN_THRESH … #define LTC2992_SENSE1 … #define LTC2992_SENSE1_MAX … #define LTC2992_SENSE1_MIN … #define LTC2992_SENSE1_MAX_THRESH … #define LTC2992_SENSE1_MIN_THRESH … #define LTC2992_G1 … #define LTC2992_G1_MAX … #define LTC2992_G1_MIN … #define LTC2992_G1_MAX_THRESH … #define LTC2992_G1_MIN_THRESH … #define LTC2992_FAULT2 … #define LTC2992_G2 … #define LTC2992_G2_MAX … #define LTC2992_G2_MIN … #define LTC2992_G2_MAX_THRESH … #define LTC2992_G2_MIN_THRESH … #define LTC2992_G3 … #define LTC2992_G3_MAX … #define LTC2992_G3_MIN … #define LTC2992_G3_MAX_THRESH … #define LTC2992_G3_MIN_THRESH … #define LTC2992_G4 … #define LTC2992_G4_MAX … #define LTC2992_G4_MIN … #define LTC2992_G4_MAX_THRESH … #define LTC2992_G4_MIN_THRESH … #define LTC2992_FAULT3 … #define LTC2992_GPIO_STATUS … #define LTC2992_GPIO_IO_CTRL … #define LTC2992_GPIO_CTRL … #define LTC2992_POWER(x) … #define LTC2992_POWER_MAX(x) … #define LTC2992_POWER_MIN(x) … #define LTC2992_POWER_MAX_THRESH(x) … #define LTC2992_POWER_MIN_THRESH(x) … #define LTC2992_DSENSE(x) … #define LTC2992_DSENSE_MAX(x) … #define LTC2992_DSENSE_MIN(x) … #define LTC2992_DSENSE_MAX_THRESH(x) … #define LTC2992_DSENSE_MIN_THRESH(x) … #define LTC2992_SENSE(x) … #define LTC2992_SENSE_MAX(x) … #define LTC2992_SENSE_MIN(x) … #define LTC2992_SENSE_MAX_THRESH(x) … #define LTC2992_SENSE_MIN_THRESH(x) … #define LTC2992_POWER_FAULT(x) … #define LTC2992_SENSE_FAULT(x) … #define LTC2992_DSENSE_FAULT(x) … /* CTRLB register bitfields */ #define LTC2992_RESET_HISTORY … /* FAULT1 FAULT2 registers common bitfields */ #define LTC2992_POWER_FAULT_MSK(x) … #define LTC2992_DSENSE_FAULT_MSK(x) … #define LTC2992_SENSE_FAULT_MSK(x) … /* FAULT1 bitfields */ #define LTC2992_GPIO1_FAULT_MSK(x) … /* FAULT2 bitfields */ #define LTC2992_GPIO2_FAULT_MSK(x) … /* FAULT3 bitfields */ #define LTC2992_GPIO3_FAULT_MSK(x) … #define LTC2992_GPIO4_FAULT_MSK(x) … #define LTC2992_IADC_NANOV_LSB … #define LTC2992_VADC_UV_LSB … #define LTC2992_VADC_GPIO_UV_LSB … #define LTC2992_GPIO_NR … #define LTC2992_GPIO1_BIT … #define LTC2992_GPIO2_BIT … #define LTC2992_GPIO3_BIT … #define LTC2992_GPIO4_BIT … #define LTC2992_GPIO_BIT(x) … struct ltc2992_state { … }; struct ltc2992_gpio_regs { … }; static const struct ltc2992_gpio_regs ltc2992_gpio_addr_map[] = …; static const char *ltc2992_gpio_names[LTC2992_GPIO_NR] = …; static int ltc2992_read_reg(struct ltc2992_state *st, u8 addr, const u8 reg_len) { … } static int ltc2992_write_reg(struct ltc2992_state *st, u8 addr, const u8 reg_len, u32 val) { … } static int ltc2992_gpio_get(struct gpio_chip *chip, unsigned int offset) { … } static int ltc2992_gpio_get_multiple(struct gpio_chip *chip, unsigned long *mask, unsigned long *bits) { … } static void ltc2992_gpio_set(struct gpio_chip *chip, unsigned int offset, int value) { … } static void ltc2992_gpio_set_multiple(struct gpio_chip *chip, unsigned long *mask, unsigned long *bits) { … } static int ltc2992_config_gpio(struct ltc2992_state *st) { … } static umode_t ltc2992_is_visible(const void *data, enum hwmon_sensor_types type, u32 attr, int channel) { … } static int ltc2992_get_voltage(struct ltc2992_state *st, u32 reg, u32 scale, long *val) { … } static int ltc2992_set_voltage(struct ltc2992_state *st, u32 reg, u32 scale, long val) { … } static int ltc2992_read_gpio_alarm(struct ltc2992_state *st, int nr_gpio, u32 attr, long *val) { … } static int ltc2992_read_gpios_in(struct device *dev, u32 attr, int nr_gpio, long *val) { … } static int ltc2992_read_in_alarm(struct ltc2992_state *st, int channel, long *val, u32 attr) { … } static int ltc2992_read_in(struct device *dev, u32 attr, int channel, long *val) { … } static int ltc2992_get_current(struct ltc2992_state *st, u32 reg, u32 channel, long *val) { … } static int ltc2992_set_current(struct ltc2992_state *st, u32 reg, u32 channel, long val) { … } static int ltc2992_read_curr_alarm(struct ltc2992_state *st, int channel, long *val, u32 attr) { … } static int ltc2992_read_curr(struct device *dev, u32 attr, int channel, long *val) { … } static int ltc2992_get_power(struct ltc2992_state *st, u32 reg, u32 channel, long *val) { … } static int ltc2992_set_power(struct ltc2992_state *st, u32 reg, u32 channel, long val) { … } static int ltc2992_read_power_alarm(struct ltc2992_state *st, int channel, long *val, u32 attr) { … } static int ltc2992_read_power(struct device *dev, u32 attr, int channel, long *val) { … } static int ltc2992_read(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel, long *val) { … } static int ltc2992_write_curr(struct device *dev, u32 attr, int channel, long val) { … } static int ltc2992_write_gpios_in(struct device *dev, u32 attr, int nr_gpio, long val) { … } static int ltc2992_write_in(struct device *dev, u32 attr, int channel, long val) { … } static int ltc2992_write_power(struct device *dev, u32 attr, int channel, long val) { … } static int ltc2992_write_chip(struct device *dev, u32 attr, int channel, long val) { … } static int ltc2992_write(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel, long val) { … } static const struct hwmon_ops ltc2992_hwmon_ops = …; static const struct hwmon_channel_info * const ltc2992_info[] = …; static const struct hwmon_chip_info ltc2992_chip_info = …; static const struct regmap_config ltc2992_regmap_config = …; static int ltc2992_parse_dt(struct ltc2992_state *st) { … } static int ltc2992_i2c_probe(struct i2c_client *client) { … } static const struct of_device_id ltc2992_of_match[] = …; MODULE_DEVICE_TABLE(of, ltc2992_of_match); static const struct i2c_device_id ltc2992_i2c_id[] = …; MODULE_DEVICE_TABLE(i2c, ltc2992_i2c_id); static struct i2c_driver ltc2992_i2c_driver = …; module_i2c_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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