// SPDX-License-Identifier: GPL-2.0 /* * adm1029.c - Part of lm_sensors, Linux kernel modules for hardware monitoring * * Copyright (C) 2006 Corentin LABBE <[email protected]> * * Based on LM83 Driver by Jean Delvare <[email protected]> * * Give only processor, motherboard temperatures and fan tachs * Very rare chip please let me know if you use it * * http://www.analog.com/UploadedFiles/Data_Sheets/ADM1029.pdf */ #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> #include <linux/jiffies.h> #include <linux/i2c.h> #include <linux/hwmon-sysfs.h> #include <linux/hwmon.h> #include <linux/err.h> #include <linux/mutex.h> /* * Addresses to scan */ static const unsigned short normal_i2c[] = …; /* * The ADM1029 registers * Manufacturer ID is 0x41 for Analog Devices */ #define ADM1029_REG_MAN_ID … #define ADM1029_REG_CHIP_ID … #define ADM1029_REG_CONFIG … #define ADM1029_REG_NB_FAN_SUPPORT … #define ADM1029_REG_TEMP_DEVICES_INSTALLED … #define ADM1029_REG_LOCAL_TEMP … #define ADM1029_REG_REMOTE1_TEMP … #define ADM1029_REG_REMOTE2_TEMP … #define ADM1029_REG_LOCAL_TEMP_HIGH … #define ADM1029_REG_REMOTE1_TEMP_HIGH … #define ADM1029_REG_REMOTE2_TEMP_HIGH … #define ADM1029_REG_LOCAL_TEMP_LOW … #define ADM1029_REG_REMOTE1_TEMP_LOW … #define ADM1029_REG_REMOTE2_TEMP_LOW … #define ADM1029_REG_FAN1 … #define ADM1029_REG_FAN2 … #define ADM1029_REG_FAN1_MIN … #define ADM1029_REG_FAN2_MIN … #define ADM1029_REG_FAN1_CONFIG … #define ADM1029_REG_FAN2_CONFIG … #define TEMP_FROM_REG(val) … #define DIV_FROM_REG(val) … /* Registers to be checked by adm1029_update_device() */ static const u8 ADM1029_REG_TEMP[] = …; static const u8 ADM1029_REG_FAN[] = …; static const u8 ADM1029_REG_FAN_DIV[] = …; /* * Client data (each client gets its own) */ struct adm1029_data { … }; /* * function that update the status of the chips (temperature for example) */ static struct adm1029_data *adm1029_update_device(struct device *dev) { … } /* * Sysfs stuff */ static ssize_t temp_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static ssize_t fan_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static ssize_t fan_div_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static ssize_t fan_div_store(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { … } /* Access rights on sysfs. */ static SENSOR_DEVICE_ATTR_RO(temp1_input, temp, 0); static SENSOR_DEVICE_ATTR_RO(temp2_input, temp, 1); static SENSOR_DEVICE_ATTR_RO(temp3_input, temp, 2); static SENSOR_DEVICE_ATTR_RO(temp1_max, temp, 3); static SENSOR_DEVICE_ATTR_RO(temp2_max, temp, 4); static SENSOR_DEVICE_ATTR_RO(temp3_max, temp, 5); static SENSOR_DEVICE_ATTR_RO(temp1_min, temp, 6); static SENSOR_DEVICE_ATTR_RO(temp2_min, temp, 7); static SENSOR_DEVICE_ATTR_RO(temp3_min, temp, 8); static SENSOR_DEVICE_ATTR_RO(fan1_input, fan, 0); static SENSOR_DEVICE_ATTR_RO(fan2_input, fan, 1); static SENSOR_DEVICE_ATTR_RO(fan1_min, fan, 2); static SENSOR_DEVICE_ATTR_RO(fan2_min, fan, 3); static SENSOR_DEVICE_ATTR_RW(fan1_div, fan_div, 0); static SENSOR_DEVICE_ATTR_RW(fan2_div, fan_div, 1); static struct attribute *adm1029_attrs[] = …; ATTRIBUTE_GROUPS(…); /* * Real code */ /* Return 0 if detection is successful, -ENODEV otherwise */ static int adm1029_detect(struct i2c_client *client, struct i2c_board_info *info) { … } static int adm1029_init_client(struct i2c_client *client) { … } static int adm1029_probe(struct i2c_client *client) { … } static const struct i2c_device_id adm1029_id[] = …; MODULE_DEVICE_TABLE(i2c, adm1029_id); static struct i2c_driver adm1029_driver = …; module_i2c_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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