// SPDX-License-Identifier: GPL-2.0-or-later /* * pc87360.c - Part of lm_sensors, Linux kernel modules * for hardware monitoring * Copyright (C) 2004, 2007 Jean Delvare <[email protected]> * * Copied from smsc47m1.c: * Copyright (C) 2002 Mark D. Studebaker <[email protected]> * * Supports the following chips: * * Chip #vin #fan #pwm #temp devid * PC87360 - 2 2 - 0xE1 * PC87363 - 2 2 - 0xE8 * PC87364 - 3 3 - 0xE4 * PC87365 11 3 3 2 0xE5 * PC87366 11 3 3 3-4 0xE9 * * This driver assumes that no more than one chip is present, and one of * the standard Super-I/O addresses is used (0x2E/0x2F or 0x4E/0x4F). */ #define pr_fmt(fmt) … #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> #include <linux/jiffies.h> #include <linux/platform_device.h> #include <linux/hwmon.h> #include <linux/hwmon-sysfs.h> #include <linux/hwmon-vid.h> #include <linux/err.h> #include <linux/mutex.h> #include <linux/acpi.h> #include <linux/io.h> #define DRIVER_NAME … /* (temp & vin) channel conversion status register flags (pdf sec.11.5.12) */ #define CHAN_CNVRTD … #define CHAN_ENA … #define CHAN_ALM_ENA … #define CHAN_READY … #define TEMP_OTS_OE … #define VIN_RW1C_MASK … #define TEMP_RW1C_MASK … static u8 devid; static struct platform_device *pdev; static unsigned short extra_isa[3]; static u8 confreg[4]; static int init = …; module_param(init, int, 0); MODULE_PARM_DESC(…) …; static unsigned short force_id; module_param(force_id, ushort, 0); MODULE_PARM_DESC(…) …; /* * Super-I/O registers and operations */ #define DEV … #define DEVID … #define ACT … #define BASE … #define FSCM … #define VLM … #define TMS … #define LDNI_MAX … static const u8 logdev[LDNI_MAX] = …; #define LD_FAN … #define LD_IN … #define LD_TEMP … static inline void superio_outb(int sioaddr, int reg, int val) { … } static inline int superio_inb(int sioaddr, int reg) { … } static inline void superio_exit(int sioaddr) { … } /* * Logical devices */ #define PC87360_EXTENT … #define PC87365_REG_BANK … #define NO_BANK … /* * Fan registers and conversions */ /* nr has to be 0 or 1 (PC87360/87363) or 2 (PC87364/87365/87366) */ #define PC87360_REG_PRESCALE(nr) … #define PC87360_REG_PWM(nr) … #define PC87360_REG_FAN_MIN(nr) … #define PC87360_REG_FAN(nr) … #define PC87360_REG_FAN_STATUS(nr) … #define FAN_FROM_REG(val, div) … #define FAN_TO_REG(val, div) … #define FAN_DIV_FROM_REG(val) … #define FAN_STATUS_FROM_REG(val) … #define FAN_CONFIG_MONITOR(val, nr) … #define FAN_CONFIG_CONTROL(val, nr) … #define FAN_CONFIG_INVERT(val, nr) … #define PWM_FROM_REG(val, inv) … static inline u8 PWM_TO_REG(int val, int inv) { … } /* * Voltage registers and conversions */ #define PC87365_REG_IN_CONVRATE … #define PC87365_REG_IN_CONFIG … #define PC87365_REG_IN … #define PC87365_REG_IN_MIN … #define PC87365_REG_IN_MAX … #define PC87365_REG_IN_STATUS … #define PC87365_REG_IN_ALARMS1 … #define PC87365_REG_IN_ALARMS2 … #define PC87365_REG_VID … #define IN_FROM_REG(val, ref) … #define IN_TO_REG(val, ref) … /* * Temperature registers and conversions */ #define PC87365_REG_TEMP_CONFIG … #define PC87365_REG_TEMP … #define PC87365_REG_TEMP_MIN … #define PC87365_REG_TEMP_MAX … #define PC87365_REG_TEMP_CRIT … #define PC87365_REG_TEMP_STATUS … #define PC87365_REG_TEMP_ALARMS … #define TEMP_FROM_REG(val) … #define TEMP_TO_REG(val) … /* * Device data */ struct pc87360_data { … }; /* * ldi is the logical device index * bank is for voltages and temperatures only */ static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank, u8 reg) { … } static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank, u8 reg, u8 value) { … } static void pc87360_autodiv(struct device *dev, int nr) { … } static struct pc87360_data *pc87360_update_device(struct device *dev) { … } static ssize_t in_input_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static struct sensor_device_attribute in_input[] = …; static ssize_t in_status_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static struct sensor_device_attribute in_status[] = …; static ssize_t in_min_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static ssize_t in_min_store(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { … } static struct sensor_device_attribute in_min[] = …; static ssize_t in_max_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static ssize_t in_max_store(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { … } static struct sensor_device_attribute in_max[] = …; /* (temp & vin) channel status register alarm bits (pdf sec.11.5.12) */ #define CHAN_ALM_MIN … #define CHAN_ALM_MAX … #define TEMP_ALM_CRIT … /* * show_in_min/max_alarm() reads data from the per-channel status * register (sec 11.5.12), not the vin event status registers (sec * 11.5.2) that (legacy) show_in_alarm() resds (via data->in_alarms) */ static ssize_t in_min_alarm_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static struct sensor_device_attribute in_min_alarm[] = …; static ssize_t in_max_alarm_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static struct sensor_device_attribute in_max_alarm[] = …; #define VIN_UNIT_ATTRS(X) … static ssize_t cpu0_vid_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR_RO(cpu0_vid); static ssize_t vrm_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t vrm_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static DEVICE_ATTR_RW(vrm); static ssize_t alarms_in_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR_RO(alarms_in); static struct attribute *pc8736x_vin_attr_array[] = …; static const struct attribute_group pc8736x_vin_group = …; static ssize_t therm_input_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } /* * the +11 term below reflects the fact that VLM units 11,12,13 are * used in the chip to measure voltage across the thermistors */ static struct sensor_device_attribute therm_input[] = …; static ssize_t therm_status_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static struct sensor_device_attribute therm_status[] = …; static ssize_t therm_min_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static ssize_t therm_min_store(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { … } static struct sensor_device_attribute therm_min[] = …; static ssize_t therm_max_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static ssize_t therm_max_store(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { … } static struct sensor_device_attribute therm_max[] = …; static ssize_t therm_crit_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static ssize_t therm_crit_store(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { … } static struct sensor_device_attribute therm_crit[] = …; /* * show_therm_min/max_alarm() reads data from the per-channel voltage * status register (sec 11.5.12) */ static ssize_t therm_min_alarm_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static struct sensor_device_attribute therm_min_alarm[] = …; static ssize_t therm_max_alarm_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static struct sensor_device_attribute therm_max_alarm[] = …; static ssize_t therm_crit_alarm_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static struct sensor_device_attribute therm_crit_alarm[] = …; #define THERM_UNIT_ATTRS(X) … static struct attribute *pc8736x_therm_attr_array[] = …; static const struct attribute_group pc8736x_therm_group = …; static ssize_t temp_input_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static struct sensor_device_attribute temp_input[] = …; static ssize_t temp_status_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static struct sensor_device_attribute temp_status[] = …; static ssize_t temp_min_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static ssize_t temp_min_store(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { … } static struct sensor_device_attribute temp_min[] = …; static ssize_t temp_max_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static ssize_t temp_max_store(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { … } static struct sensor_device_attribute temp_max[] = …; static ssize_t temp_crit_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static ssize_t temp_crit_store(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { … } static struct sensor_device_attribute temp_crit[] = …; /* * temp_min/max_alarm_show() reads data from the per-channel status * register (sec 12.3.7), not the temp event status registers (sec * 12.3.2) that show_temp_alarm() reads (via data->temp_alarms) */ static ssize_t temp_min_alarm_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static struct sensor_device_attribute temp_min_alarm[] = …; static ssize_t temp_max_alarm_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static struct sensor_device_attribute temp_max_alarm[] = …; static ssize_t temp_crit_alarm_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static struct sensor_device_attribute temp_crit_alarm[] = …; #define TEMP_FAULT … static ssize_t temp_fault_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static struct sensor_device_attribute temp_fault[] = …; #define TEMP_UNIT_ATTRS(X) … static struct attribute *pc8736x_temp_attr[][10] = …; static const struct attribute_group pc8736x_temp_attr_group[] = …; static ssize_t alarms_temp_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR_RO(alarms_temp); static ssize_t fan_input_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static struct sensor_device_attribute fan_input[] = …; static ssize_t fan_status_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static struct sensor_device_attribute fan_status[] = …; static ssize_t fan_div_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static struct sensor_device_attribute fan_div[] = …; static ssize_t fan_min_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static ssize_t fan_min_store(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { … } static struct sensor_device_attribute fan_min[] = …; #define FAN_UNIT_ATTRS(X) … static struct attribute *pc8736x_fan_attr[][5] = …; static const struct attribute_group pc8736x_fan_attr_group[] = …; static ssize_t pwm_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static ssize_t pwm_store(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { … } static struct sensor_device_attribute pwm[] = …; static ssize_t name_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static DEVICE_ATTR_RO(name); static void pc87360_remove_files(struct device *dev) { … } static void pc87360_init_device(struct platform_device *pdev, int use_thermistors) { … } static int pc87360_probe(struct platform_device *pdev) { … } static void pc87360_remove(struct platform_device *pdev) { … } /* * Driver data */ static struct platform_driver pc87360_driver = …; /* * Device detection, registration and update */ static int __init pc87360_find(int sioaddr, u8 *devid, unsigned short *addresses) { … } static int __init pc87360_device_add(unsigned short address) { … } static int __init pc87360_init(void) { … } static void __exit pc87360_exit(void) { … } MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; MODULE_ALIAS(…) …; module_init(…) …; module_exit(pc87360_exit);
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