// SPDX-License-Identifier: GPL-2.0-or-later /* * nct6775 - Driver for the hardware monitoring functionality of * Nuvoton NCT677x Super-I/O chips * * Copyright (C) 2012 Guenter Roeck <[email protected]> * * Derived from w83627ehf driver * Copyright (C) 2005-2012 Jean Delvare <[email protected]> * Copyright (C) 2006 Yuan Mu (Winbond), * Rudolf Marek <[email protected]> * David Hubbard <[email protected]> * Daniel J Blueman <[email protected]> * Copyright (C) 2010 Sheng-Yuan Huang (Nuvoton) (PS00) * * Shamelessly ripped from the w83627hf driver * Copyright (C) 2003 Mark Studebaker * * Supports the following chips: * * Chip #vin #fan #pwm #temp chip IDs man ID * nct6106d 9 3 3 6+3 0xc450 0xc1 0x5ca3 * nct6116d 9 5 5 3+3 0xd280 0xc1 0x5ca3 * nct6775f 9 4 3 6+3 0xb470 0xc1 0x5ca3 * nct6776f 9 5 3 6+3 0xc330 0xc1 0x5ca3 * nct6779d 15 5 5 2+6 0xc560 0xc1 0x5ca3 * nct6791d 15 6 6 2+6 0xc800 0xc1 0x5ca3 * nct6792d 15 6 6 2+6 0xc910 0xc1 0x5ca3 * nct6793d 15 6 6 2+6 0xd120 0xc1 0x5ca3 * nct6795d 14 6 6 2+6 0xd350 0xc1 0x5ca3 * nct6796d 14 7 7 2+6 0xd420 0xc1 0x5ca3 * nct6797d 14 7 7 2+6 0xd450 0xc1 0x5ca3 * (0xd451) * nct6798d 14 7 7 2+6 0xd428 0xc1 0x5ca3 * (0xd429) * nct6796d-s 18 7 7 6+2 0xd801 0xc1 0x5ca3 * nct6799d-r 18 7 7 6+2 0xd802 0xc1 0x5ca3 * * #temp lists the number of monitored temperature sources (first value) plus * the number of directly connectable temperature sensors (second value). */ #define pr_fmt(fmt) … #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> #include <linux/jiffies.h> #include <linux/hwmon.h> #include <linux/hwmon-sysfs.h> #include <linux/err.h> #include <linux/mutex.h> #include <linux/bitops.h> #include <linux/nospec.h> #include <linux/regmap.h> #include "lm75.h" #include "nct6775.h" #undef DEFAULT_SYMBOL_NAMESPACE #define DEFAULT_SYMBOL_NAMESPACE … #define USE_ALTERNATE /* used to set data->name = nct6775_device_names[data->sio_kind] */ static const char * const nct6775_device_names[] = …; /* Common and NCT6775 specific data */ /* * Voltage min/max registers for nr=7..14 are in bank 5 * min/max: 15-17 for NCT6799 only */ static const u16 NCT6775_REG_IN_MAX[] = …; static const u16 NCT6775_REG_IN_MIN[] = …; static const u16 NCT6775_REG_IN[] = …; #define NCT6775_REG_VBAT … #define NCT6775_REG_DIODE … #define NCT6775_DIODE_MASK … static const u16 NCT6775_REG_ALARM[NUM_REG_ALARM] = …; static const s8 NCT6775_ALARM_BITS[NUM_ALARM_BITS] = …; static const u16 NCT6775_REG_BEEP[NUM_REG_BEEP] = …; static const s8 NCT6775_BEEP_BITS[NUM_BEEP_BITS] = …; /* DC or PWM output fan configuration */ static const u8 NCT6775_REG_PWM_MODE[] = …; static const u8 NCT6775_PWM_MODE_MASK[] = …; /* Advanced Fan control, some values are common for all fans */ static const u16 NCT6775_REG_TARGET[] = …; static const u16 NCT6775_REG_FAN_MODE[] = …; static const u16 NCT6775_REG_FAN_STEP_DOWN_TIME[] = …; static const u16 NCT6775_REG_FAN_STEP_UP_TIME[] = …; static const u16 NCT6775_REG_FAN_STOP_OUTPUT[] = …; static const u16 NCT6775_REG_FAN_START_OUTPUT[] = …; static const u16 NCT6775_REG_FAN_MAX_OUTPUT[] = …; static const u16 NCT6775_REG_FAN_STEP_OUTPUT[] = …; static const u16 NCT6775_REG_FAN_STOP_TIME[] = …; static const u16 NCT6775_REG_PWM[] = …; static const u16 NCT6775_REG_PWM_READ[] = …; static const u16 NCT6775_REG_FAN[] = …; static const u16 NCT6775_REG_FAN_MIN[] = …; static const u16 NCT6775_REG_FAN_PULSES[NUM_FAN] = …; static const u16 NCT6775_FAN_PULSE_SHIFT[NUM_FAN] = …; static const u16 NCT6775_REG_TEMP[] = …; static const u16 NCT6775_REG_TEMP_MON[] = …; static const u16 NCT6775_REG_TEMP_CONFIG[ARRAY_SIZE(NCT6775_REG_TEMP)] = …; static const u16 NCT6775_REG_TEMP_HYST[ARRAY_SIZE(NCT6775_REG_TEMP)] = …; static const u16 NCT6775_REG_TEMP_OVER[ARRAY_SIZE(NCT6775_REG_TEMP)] = …; static const u16 NCT6775_REG_TEMP_SOURCE[ARRAY_SIZE(NCT6775_REG_TEMP)] = …; static const u16 NCT6775_REG_TEMP_SEL[] = …; static const u16 NCT6775_REG_WEIGHT_TEMP_SEL[] = …; static const u16 NCT6775_REG_WEIGHT_TEMP_STEP[] = …; static const u16 NCT6775_REG_WEIGHT_TEMP_STEP_TOL[] = …; static const u16 NCT6775_REG_WEIGHT_DUTY_STEP[] = …; static const u16 NCT6775_REG_WEIGHT_TEMP_BASE[] = …; static const u16 NCT6775_REG_TEMP_OFFSET[] = …; static const u16 NCT6775_REG_AUTO_TEMP[] = …; static const u16 NCT6775_REG_AUTO_PWM[] = …; #define NCT6775_AUTO_TEMP(data, nr, p) … #define NCT6775_AUTO_PWM(data, nr, p) … static const u16 NCT6775_REG_CRITICAL_ENAB[] = …; static const u16 NCT6775_REG_CRITICAL_TEMP[] = …; static const u16 NCT6775_REG_CRITICAL_TEMP_TOLERANCE[] = …; static const char *const nct6775_temp_label[] = …; #define NCT6775_TEMP_MASK … #define NCT6775_VIRT_TEMP_MASK … static const u16 NCT6775_REG_TEMP_ALTERNATE[32] = …; static const u16 NCT6775_REG_TEMP_CRIT[32] = …; static const u16 NCT6775_REG_TSI_TEMP[] = …; /* NCT6776 specific data */ /* STEP_UP_TIME and STEP_DOWN_TIME regs are swapped for all chips but NCT6775 */ #define NCT6776_REG_FAN_STEP_UP_TIME … #define NCT6776_REG_FAN_STEP_DOWN_TIME … static const s8 NCT6776_ALARM_BITS[NUM_ALARM_BITS] = …; /* 0xbf: nct6799 only */ static const u16 NCT6776_REG_BEEP[NUM_REG_BEEP] = …; static const s8 NCT6776_BEEP_BITS[NUM_BEEP_BITS] = …; static const u16 NCT6776_REG_TOLERANCE_H[] = …; static const u8 NCT6776_REG_PWM_MODE[] = …; static const u8 NCT6776_PWM_MODE_MASK[] = …; static const u16 NCT6776_REG_FAN_MIN[] = …; static const u16 NCT6776_REG_FAN_PULSES[NUM_FAN] = …; static const u16 NCT6776_REG_WEIGHT_DUTY_BASE[] = …; static const u16 NCT6776_REG_TEMP_CONFIG[ARRAY_SIZE(NCT6775_REG_TEMP)] = …; static const char *const nct6776_temp_label[] = …; #define NCT6776_TEMP_MASK … #define NCT6776_VIRT_TEMP_MASK … static const u16 NCT6776_REG_TEMP_ALTERNATE[32] = …; static const u16 NCT6776_REG_TEMP_CRIT[32] = …; static const u16 NCT6776_REG_TSI_TEMP[] = …; /* NCT6779 specific data */ /* * 15-17 for NCT6799 only, register labels are: * CPUVC, VIN1, AVSB, 3VCC, VIN0, VIN8, VIN4, 3VSB * VBAT, VTT, VIN5, VIN6, VIN2, VIN3, VIN7, VIN9 * VHIF, VIN10 */ static const u16 NCT6779_REG_IN[] = …; static const u16 NCT6779_REG_ALARM[NUM_REG_ALARM] = …; static const s8 NCT6779_ALARM_BITS[NUM_ALARM_BITS] = …; static const s8 NCT6779_BEEP_BITS[NUM_BEEP_BITS] = …; static const u16 NCT6779_REG_FAN[] = …; static const u16 NCT6779_REG_FAN_PULSES[NUM_FAN] = …; static const u16 NCT6779_REG_CRITICAL_PWM_ENABLE[] = …; #define NCT6779_CRITICAL_PWM_ENABLE_MASK … static const u16 NCT6779_REG_CRITICAL_PWM[] = …; static const u16 NCT6779_REG_TEMP[] = …; static const u16 NCT6779_REG_TEMP_MON[] = …; static const u16 NCT6779_REG_TEMP_CONFIG[ARRAY_SIZE(NCT6779_REG_TEMP)] = …; static const u16 NCT6779_REG_TEMP_HYST[ARRAY_SIZE(NCT6779_REG_TEMP)] = …; static const u16 NCT6779_REG_TEMP_OVER[ARRAY_SIZE(NCT6779_REG_TEMP)] = …; static const u16 NCT6779_REG_TEMP_OFFSET[] = …; static const char *const nct6779_temp_label[] = …; #define NCT6779_TEMP_MASK … #define NCT6779_VIRT_TEMP_MASK … #define NCT6791_TEMP_MASK … #define NCT6791_VIRT_TEMP_MASK … static const u16 NCT6779_REG_TEMP_ALTERNATE[32] = …; static const u16 NCT6779_REG_TEMP_CRIT[32] = …; /* NCT6791 specific data */ static const u16 NCT6791_REG_WEIGHT_TEMP_SEL[NUM_FAN] = …; static const u16 NCT6791_REG_WEIGHT_TEMP_STEP[NUM_FAN] = …; static const u16 NCT6791_REG_WEIGHT_TEMP_STEP_TOL[NUM_FAN] = …; static const u16 NCT6791_REG_WEIGHT_DUTY_STEP[NUM_FAN] = …; static const u16 NCT6791_REG_WEIGHT_TEMP_BASE[NUM_FAN] = …; static const u16 NCT6791_REG_WEIGHT_DUTY_BASE[NUM_FAN] = …; static const u16 NCT6791_REG_ALARM[NUM_REG_ALARM] = …; static const s8 NCT6791_ALARM_BITS[NUM_ALARM_BITS] = …; /* NCT6792/NCT6793 specific data */ static const u16 NCT6792_REG_TEMP_MON[] = …; static const u16 NCT6792_REG_BEEP[NUM_REG_BEEP] = …; static const char *const nct6792_temp_label[] = …; #define NCT6792_TEMP_MASK … #define NCT6792_VIRT_TEMP_MASK … static const char *const nct6793_temp_label[] = …; #define NCT6793_TEMP_MASK … #define NCT6793_VIRT_TEMP_MASK … static const char *const nct6795_temp_label[] = …; #define NCT6795_TEMP_MASK … #define NCT6795_VIRT_TEMP_MASK … static const char *const nct6796_temp_label[] = …; #define NCT6796_TEMP_MASK … #define NCT6796_VIRT_TEMP_MASK … static const u16 NCT6796_REG_TSI_TEMP[] = …; static const u16 NCT6798_REG_TEMP[] = …; static const u16 NCT6798_REG_TEMP_SOURCE[] = …; static const u16 NCT6798_REG_TEMP_MON[] = …; static const u16 NCT6798_REG_TEMP_OVER[] = …; static const u16 NCT6798_REG_TEMP_HYST[] = …; static const u16 NCT6798_REG_TEMP_CRIT[32] = …; static const u16 NCT6798_REG_TEMP_ALTERNATE[32] = …; static const char *const nct6798_temp_label[] = …; #define NCT6798_TEMP_MASK … #define NCT6798_VIRT_TEMP_MASK … static const u16 NCT6799_REG_ALARM[NUM_REG_ALARM] = …; static const s8 NCT6799_ALARM_BITS[NUM_ALARM_BITS] = …; static const s8 NCT6799_BEEP_BITS[NUM_BEEP_BITS] = …; /* PECI Calibration only for NCT6799D, not NCT6796D-S */ static const char *const nct6799_temp_label[] = …; #define NCT6799_TEMP_MASK … #define NCT6799_VIRT_TEMP_MASK … /* NCT6102D/NCT6106D specific data */ #define NCT6106_REG_VBAT … #define NCT6106_REG_DIODE … #define NCT6106_DIODE_MASK … static const u16 NCT6106_REG_IN_MAX[] = …; static const u16 NCT6106_REG_IN_MIN[] = …; static const u16 NCT6106_REG_IN[] = …; static const u16 NCT6106_REG_TEMP[] = …; static const u16 NCT6106_REG_TEMP_MON[] = …; static const u16 NCT6106_REG_TEMP_HYST[] = …; static const u16 NCT6106_REG_TEMP_OVER[] = …; static const u16 NCT6106_REG_TEMP_CRIT_L[] = …; static const u16 NCT6106_REG_TEMP_CRIT_H[] = …; static const u16 NCT6106_REG_TEMP_OFFSET[] = …; static const u16 NCT6106_REG_TEMP_CONFIG[] = …; static const u16 NCT6106_REG_FAN[] = …; static const u16 NCT6106_REG_FAN_MIN[] = …; static const u16 NCT6106_REG_FAN_PULSES[] = …; static const u16 NCT6106_FAN_PULSE_SHIFT[] = …; static const u8 NCT6106_REG_PWM_MODE[] = …; static const u8 NCT6106_PWM_MODE_MASK[] = …; static const u16 NCT6106_REG_PWM_READ[] = …; static const u16 NCT6106_REG_FAN_MODE[] = …; static const u16 NCT6106_REG_TEMP_SOURCE[] = …; static const u16 NCT6106_REG_CRITICAL_TEMP[] = …; static const u16 NCT6106_REG_CRITICAL_TEMP_TOLERANCE[] = …; static const u16 NCT6106_REG_CRITICAL_PWM_ENABLE[] = …; #define NCT6106_CRITICAL_PWM_ENABLE_MASK … static const u16 NCT6106_REG_CRITICAL_PWM[] = …; static const u16 NCT6106_REG_FAN_STEP_UP_TIME[] = …; static const u16 NCT6106_REG_FAN_STEP_DOWN_TIME[] = …; static const u16 NCT6106_REG_FAN_STOP_OUTPUT[] = …; static const u16 NCT6106_REG_FAN_START_OUTPUT[] = …; static const u16 NCT6106_REG_FAN_STOP_TIME[] = …; static const u16 NCT6106_REG_TOLERANCE_H[] = …; static const u16 NCT6106_REG_TARGET[] = …; static const u16 NCT6106_REG_WEIGHT_TEMP_SEL[] = …; static const u16 NCT6106_REG_WEIGHT_TEMP_STEP[] = …; static const u16 NCT6106_REG_WEIGHT_TEMP_STEP_TOL[] = …; static const u16 NCT6106_REG_WEIGHT_DUTY_STEP[] = …; static const u16 NCT6106_REG_WEIGHT_TEMP_BASE[] = …; static const u16 NCT6106_REG_WEIGHT_DUTY_BASE[] = …; static const u16 NCT6106_REG_AUTO_TEMP[] = …; static const u16 NCT6106_REG_AUTO_PWM[] = …; static const u16 NCT6106_REG_ALARM[NUM_REG_ALARM] = …; static const s8 NCT6106_ALARM_BITS[NUM_ALARM_BITS] = …; static const u16 NCT6106_REG_BEEP[NUM_REG_BEEP] = …; static const s8 NCT6106_BEEP_BITS[NUM_BEEP_BITS] = …; static const u16 NCT6106_REG_TEMP_ALTERNATE[32] = …; static const u16 NCT6106_REG_TEMP_CRIT[32] = …; static const u16 NCT6106_REG_TSI_TEMP[] = …; /* NCT6112D/NCT6114D/NCT6116D specific data */ static const u16 NCT6116_REG_FAN[] = …; static const u16 NCT6116_REG_FAN_MIN[] = …; static const u16 NCT6116_REG_FAN_PULSES[] = …; static const u16 NCT6116_FAN_PULSE_SHIFT[] = …; static const u16 NCT6116_REG_PWM[] = …; static const u16 NCT6116_REG_FAN_MODE[] = …; static const u16 NCT6116_REG_TEMP_SEL[] = …; static const u16 NCT6116_REG_TEMP_SOURCE[] = …; static const u16 NCT6116_REG_CRITICAL_TEMP[] = …; static const u16 NCT6116_REG_CRITICAL_TEMP_TOLERANCE[] = …; static const u16 NCT6116_REG_CRITICAL_PWM_ENABLE[] = …; static const u16 NCT6116_REG_CRITICAL_PWM[] = …; static const u16 NCT6116_REG_FAN_STEP_UP_TIME[] = …; static const u16 NCT6116_REG_FAN_STEP_DOWN_TIME[] = …; static const u16 NCT6116_REG_FAN_STOP_OUTPUT[] = …; static const u16 NCT6116_REG_FAN_START_OUTPUT[] = …; static const u16 NCT6116_REG_FAN_STOP_TIME[] = …; static const u16 NCT6116_REG_TOLERANCE_H[] = …; static const u16 NCT6116_REG_TARGET[] = …; static const u16 NCT6116_REG_AUTO_TEMP[] = …; static const u16 NCT6116_REG_AUTO_PWM[] = …; static const s8 NCT6116_ALARM_BITS[NUM_ALARM_BITS] = …; static const s8 NCT6116_BEEP_BITS[NUM_BEEP_BITS] = …; static const u16 NCT6116_REG_TSI_TEMP[] = …; static enum pwm_enable reg_to_pwm_enable(int pwm, int mode) { … } static int pwm_enable_to_reg(enum pwm_enable mode) { … } /* * Conversions */ /* 1 is DC mode, output in ms */ static unsigned int step_time_from_reg(u8 reg, u8 mode) { … } static u8 step_time_to_reg(unsigned int msec, u8 mode) { … } static unsigned int fan_from_reg8(u16 reg, unsigned int divreg) { … } static unsigned int fan_from_reg13(u16 reg, unsigned int divreg) { … } static unsigned int fan_from_reg16(u16 reg, unsigned int divreg) { … } static unsigned int fan_from_reg_rpm(u16 reg, unsigned int divreg) { … } static u16 fan_to_reg(u32 fan, unsigned int divreg) { … } static inline unsigned int div_from_reg(u8 reg) { … } /* * Some of the voltage inputs have internal scaling, the tables below * contain 8 (the ADC LSB in mV) * scaling factor * 100 */ static const u16 scale_in[15] = …; /* * NCT6798 scaling: * CPUVC, IN1, AVSB, 3VCC, IN0, IN8, IN4, 3VSB, VBAT, VTT, IN5, IN6, IN2, * IN3, IN7, IN9, VHIF, IN10 * 15-17 for NCT6799 only */ static const u16 scale_in_6798[NUM_IN] = …; static inline long in_from_reg(u8 reg, u8 nr, const u16 *scales) { … } static inline u8 in_to_reg(u32 val, u8 nr, const u16 *scales) { … } /* TSI temperatures are in 8.3 format */ static inline unsigned int tsi_temp_from_reg(unsigned int reg) { … } /* * Data structures and manipulation thereof */ struct sensor_device_template { … }; struct sensor_device_attr_u { … }; #define __TEMPLATE_ATTR(_template, _mode, _show, _store) … #define SENSOR_DEVICE_TEMPLATE(_template, _mode, _show, _store, _index) … #define SENSOR_DEVICE_TEMPLATE_2(_template, _mode, _show, _store, \ _nr, _index) … #define SENSOR_TEMPLATE(_name, _template, _mode, _show, _store, _index) … #define SENSOR_TEMPLATE_2(_name, _template, _mode, _show, _store, \ _nr, _index) … struct sensor_template_group { … }; static int nct6775_add_template_attr_group(struct device *dev, struct nct6775_data *data, const struct sensor_template_group *tg, int repeat) { … } bool nct6775_reg_is_word_sized(struct nct6775_data *data, u16 reg) { … } EXPORT_SYMBOL_GPL(…); /* We left-align 8-bit temperature values to make the code simpler */ static int nct6775_read_temp(struct nct6775_data *data, u16 reg, u16 *val) { … } /* This function assumes that the caller holds data->update_lock */ static int nct6775_write_fan_div(struct nct6775_data *data, int nr) { … } static int nct6775_write_fan_div_common(struct nct6775_data *data, int nr) { … } static int nct6775_update_fan_div(struct nct6775_data *data) { … } static int nct6775_update_fan_div_common(struct nct6775_data *data) { … } static int nct6775_init_fan_div(struct nct6775_data *data) { … } static int nct6775_init_fan_common(struct device *dev, struct nct6775_data *data) { … } static int nct6775_select_fan_div(struct device *dev, struct nct6775_data *data, int nr, u16 reg) { … } static int nct6775_update_pwm(struct device *dev) { … } static int nct6775_update_pwm_limits(struct device *dev) { … } struct nct6775_data *nct6775_update_device(struct device *dev) { … } EXPORT_SYMBOL_GPL(…); /* * Sysfs callback functions */ static ssize_t show_in_reg(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t store_in_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } ssize_t nct6775_show_alarm(struct device *dev, struct device_attribute *attr, char *buf) { … } EXPORT_SYMBOL_GPL(…); static int find_temp_source(struct nct6775_data *data, int index, int count) { … } static ssize_t show_temp_alarm(struct device *dev, struct device_attribute *attr, char *buf) { … } ssize_t nct6775_show_beep(struct device *dev, struct device_attribute *attr, char *buf) { … } EXPORT_SYMBOL_GPL(…); ssize_t nct6775_store_beep(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } EXPORT_SYMBOL_GPL(…); static ssize_t show_temp_beep(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t store_temp_beep(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static umode_t nct6775_in_is_visible(struct kobject *kobj, struct attribute *attr, int index) { … } SENSOR_TEMPLATE_2(in_input, "in%d_input", 0444, show_in_reg, NULL, 0, 0); SENSOR_TEMPLATE(in_alarm, "in%d_alarm", 0444, nct6775_show_alarm, NULL, 0); SENSOR_TEMPLATE(in_beep, "in%d_beep", 0644, nct6775_show_beep, nct6775_store_beep, 0); SENSOR_TEMPLATE_2(in_min, "in%d_min", 0644, show_in_reg, store_in_reg, 0, 1); SENSOR_TEMPLATE_2(in_max, "in%d_max", 0644, show_in_reg, store_in_reg, 0, 2); /* * nct6775_in_is_visible uses the index into the following array * to determine if attributes should be created or not. * Any change in order or content must be matched. */ static struct sensor_device_template *nct6775_attributes_in_template[] = …; static const struct sensor_template_group nct6775_in_template_group = …; static ssize_t show_fan(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t show_fan_min(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t store_fan_min(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static ssize_t show_fan_pulses(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t store_fan_pulses(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static umode_t nct6775_fan_is_visible(struct kobject *kobj, struct attribute *attr, int index) { … } SENSOR_TEMPLATE(fan_input, "fan%d_input", 0444, show_fan, NULL, 0); SENSOR_TEMPLATE(fan_alarm, "fan%d_alarm", 0444, nct6775_show_alarm, NULL, FAN_ALARM_BASE); SENSOR_TEMPLATE(fan_beep, "fan%d_beep", 0644, nct6775_show_beep, nct6775_store_beep, FAN_ALARM_BASE); SENSOR_TEMPLATE(fan_pulses, "fan%d_pulses", 0644, show_fan_pulses, store_fan_pulses, 0); SENSOR_TEMPLATE(fan_min, "fan%d_min", 0644, show_fan_min, store_fan_min, 0); SENSOR_TEMPLATE(fan_div, "fan%d_div", 0444, show_fan_div, NULL, 0); /* * nct6775_fan_is_visible uses the index into the following array * to determine if attributes should be created or not. * Any change in order or content must be matched. */ static struct sensor_device_template *nct6775_attributes_fan_template[] = …; static const struct sensor_template_group nct6775_fan_template_group = …; static ssize_t show_temp_label(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t show_temp(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t store_temp(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static ssize_t show_temp_offset(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t store_temp_offset(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static ssize_t show_temp_type(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t store_temp_type(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static umode_t nct6775_temp_is_visible(struct kobject *kobj, struct attribute *attr, int index) { … } SENSOR_TEMPLATE_2(temp_input, "temp%d_input", 0444, show_temp, NULL, 0, 0); SENSOR_TEMPLATE(temp_label, "temp%d_label", 0444, show_temp_label, NULL, 0); SENSOR_TEMPLATE_2(temp_max, "temp%d_max", 0644, show_temp, store_temp, 0, 1); SENSOR_TEMPLATE_2(temp_max_hyst, "temp%d_max_hyst", 0644, show_temp, store_temp, 0, 2); SENSOR_TEMPLATE_2(temp_crit, "temp%d_crit", 0644, show_temp, store_temp, 0, 3); SENSOR_TEMPLATE_2(temp_lcrit, "temp%d_lcrit", 0644, show_temp, store_temp, 0, 4); SENSOR_TEMPLATE(temp_offset, "temp%d_offset", 0644, show_temp_offset, store_temp_offset, 0); SENSOR_TEMPLATE(temp_type, "temp%d_type", 0644, show_temp_type, store_temp_type, 0); SENSOR_TEMPLATE(temp_alarm, "temp%d_alarm", 0444, show_temp_alarm, NULL, 0); SENSOR_TEMPLATE(temp_beep, "temp%d_beep", 0644, show_temp_beep, store_temp_beep, 0); /* * nct6775_temp_is_visible uses the index into the following array * to determine if attributes should be created or not. * Any change in order or content must be matched. */ static struct sensor_device_template *nct6775_attributes_temp_template[] = …; static const struct sensor_template_group nct6775_temp_template_group = …; static ssize_t show_tsi_temp(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t show_tsi_temp_label(struct device *dev, struct device_attribute *attr, char *buf) { … } SENSOR_TEMPLATE(tsi_temp_input, "temp%d_input", 0444, show_tsi_temp, NULL, 0); SENSOR_TEMPLATE(tsi_temp_label, "temp%d_label", 0444, show_tsi_temp_label, NULL, 0); static umode_t nct6775_tsi_temp_is_visible(struct kobject *kobj, struct attribute *attr, int index) { … } /* * The index calculation in nct6775_tsi_temp_is_visible() must be kept in * sync with the size of this array. */ static struct sensor_device_template *nct6775_tsi_temp_template[] = …; static ssize_t show_pwm_mode(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t store_pwm_mode(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static ssize_t show_pwm(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t store_pwm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } /* Returns 0 if OK, -EINVAL otherwise */ static int check_trip_points(struct nct6775_data *data, int nr) { … } static int pwm_update_registers(struct nct6775_data *data, int nr) { … } static ssize_t show_pwm_enable(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t store_pwm_enable(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static ssize_t show_pwm_temp_sel_common(struct nct6775_data *data, char *buf, int src) { … } static ssize_t show_pwm_temp_sel(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t store_pwm_temp_sel(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static ssize_t show_pwm_weight_temp_sel(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t store_pwm_weight_temp_sel(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static ssize_t show_target_temp(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t store_target_temp(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static ssize_t show_target_speed(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t store_target_speed(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static ssize_t show_temp_tolerance(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t store_temp_tolerance(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } /* * Fan speed tolerance is a tricky beast, since the associated register is * a tick counter, but the value is reported and configured as rpm. * Compute resulting low and high rpm values and report the difference. * A fan speed tolerance only makes sense if a fan target speed has been * configured, so only display values other than 0 if that is the case. */ static ssize_t show_speed_tolerance(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t store_speed_tolerance(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } SENSOR_TEMPLATE_2(pwm, "pwm%d", 0644, show_pwm, store_pwm, 0, 0); SENSOR_TEMPLATE(pwm_mode, "pwm%d_mode", 0644, show_pwm_mode, store_pwm_mode, 0); SENSOR_TEMPLATE(pwm_enable, "pwm%d_enable", 0644, show_pwm_enable, store_pwm_enable, 0); SENSOR_TEMPLATE(pwm_temp_sel, "pwm%d_temp_sel", 0644, show_pwm_temp_sel, store_pwm_temp_sel, 0); SENSOR_TEMPLATE(pwm_target_temp, "pwm%d_target_temp", 0644, show_target_temp, store_target_temp, 0); SENSOR_TEMPLATE(fan_target, "fan%d_target", 0644, show_target_speed, store_target_speed, 0); SENSOR_TEMPLATE(fan_tolerance, "fan%d_tolerance", 0644, show_speed_tolerance, store_speed_tolerance, 0); /* Smart Fan registers */ static ssize_t show_weight_temp(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t store_weight_temp(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } SENSOR_TEMPLATE(pwm_weight_temp_sel, "pwm%d_weight_temp_sel", 0644, show_pwm_weight_temp_sel, store_pwm_weight_temp_sel, 0); SENSOR_TEMPLATE_2(pwm_weight_temp_step, "pwm%d_weight_temp_step", 0644, show_weight_temp, store_weight_temp, 0, 0); SENSOR_TEMPLATE_2(pwm_weight_temp_step_tol, "pwm%d_weight_temp_step_tol", 0644, show_weight_temp, store_weight_temp, 0, 1); SENSOR_TEMPLATE_2(pwm_weight_temp_step_base, "pwm%d_weight_temp_step_base", 0644, show_weight_temp, store_weight_temp, 0, 2); SENSOR_TEMPLATE_2(pwm_weight_duty_step, "pwm%d_weight_duty_step", 0644, show_pwm, store_pwm, 0, 5); SENSOR_TEMPLATE_2(pwm_weight_duty_base, "pwm%d_weight_duty_base", 0644, show_pwm, store_pwm, 0, 6); static ssize_t show_fan_time(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t store_fan_time(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static ssize_t show_auto_pwm(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t store_auto_pwm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static ssize_t show_auto_temp(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t store_auto_temp(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static umode_t nct6775_pwm_is_visible(struct kobject *kobj, struct attribute *attr, int index) { … } SENSOR_TEMPLATE_2(pwm_stop_time, "pwm%d_stop_time", 0644, show_fan_time, store_fan_time, 0, 0); SENSOR_TEMPLATE_2(pwm_step_up_time, "pwm%d_step_up_time", 0644, show_fan_time, store_fan_time, 0, 1); SENSOR_TEMPLATE_2(pwm_step_down_time, "pwm%d_step_down_time", 0644, show_fan_time, store_fan_time, 0, 2); SENSOR_TEMPLATE_2(pwm_start, "pwm%d_start", 0644, show_pwm, store_pwm, 0, 1); SENSOR_TEMPLATE_2(pwm_floor, "pwm%d_floor", 0644, show_pwm, store_pwm, 0, 2); SENSOR_TEMPLATE_2(pwm_temp_tolerance, "pwm%d_temp_tolerance", 0644, show_temp_tolerance, store_temp_tolerance, 0, 0); SENSOR_TEMPLATE_2(pwm_crit_temp_tolerance, "pwm%d_crit_temp_tolerance", 0644, show_temp_tolerance, store_temp_tolerance, 0, 1); SENSOR_TEMPLATE_2(pwm_max, "pwm%d_max", 0644, show_pwm, store_pwm, 0, 3); SENSOR_TEMPLATE_2(pwm_step, "pwm%d_step", 0644, show_pwm, store_pwm, 0, 4); SENSOR_TEMPLATE_2(pwm_auto_point1_pwm, "pwm%d_auto_point1_pwm", 0644, show_auto_pwm, store_auto_pwm, 0, 0); SENSOR_TEMPLATE_2(pwm_auto_point1_temp, "pwm%d_auto_point1_temp", 0644, show_auto_temp, store_auto_temp, 0, 0); SENSOR_TEMPLATE_2(pwm_auto_point2_pwm, "pwm%d_auto_point2_pwm", 0644, show_auto_pwm, store_auto_pwm, 0, 1); SENSOR_TEMPLATE_2(pwm_auto_point2_temp, "pwm%d_auto_point2_temp", 0644, show_auto_temp, store_auto_temp, 0, 1); SENSOR_TEMPLATE_2(pwm_auto_point3_pwm, "pwm%d_auto_point3_pwm", 0644, show_auto_pwm, store_auto_pwm, 0, 2); SENSOR_TEMPLATE_2(pwm_auto_point3_temp, "pwm%d_auto_point3_temp", 0644, show_auto_temp, store_auto_temp, 0, 2); SENSOR_TEMPLATE_2(pwm_auto_point4_pwm, "pwm%d_auto_point4_pwm", 0644, show_auto_pwm, store_auto_pwm, 0, 3); SENSOR_TEMPLATE_2(pwm_auto_point4_temp, "pwm%d_auto_point4_temp", 0644, show_auto_temp, store_auto_temp, 0, 3); SENSOR_TEMPLATE_2(pwm_auto_point5_pwm, "pwm%d_auto_point5_pwm", 0644, show_auto_pwm, store_auto_pwm, 0, 4); SENSOR_TEMPLATE_2(pwm_auto_point5_temp, "pwm%d_auto_point5_temp", 0644, show_auto_temp, store_auto_temp, 0, 4); SENSOR_TEMPLATE_2(pwm_auto_point6_pwm, "pwm%d_auto_point6_pwm", 0644, show_auto_pwm, store_auto_pwm, 0, 5); SENSOR_TEMPLATE_2(pwm_auto_point6_temp, "pwm%d_auto_point6_temp", 0644, show_auto_temp, store_auto_temp, 0, 5); SENSOR_TEMPLATE_2(pwm_auto_point7_pwm, "pwm%d_auto_point7_pwm", 0644, show_auto_pwm, store_auto_pwm, 0, 6); SENSOR_TEMPLATE_2(pwm_auto_point7_temp, "pwm%d_auto_point7_temp", 0644, show_auto_temp, store_auto_temp, 0, 6); /* * nct6775_pwm_is_visible uses the index into the following array * to determine if attributes should be created or not. * Any change in order or content must be matched. */ static struct sensor_device_template *nct6775_attributes_pwm_template[] = …; static const struct sensor_template_group nct6775_pwm_template_group = …; static inline int nct6775_init_device(struct nct6775_data *data) { … } static int add_temp_sensors(struct nct6775_data *data, const u16 *regp, int *available, int *mask) { … } int nct6775_probe(struct device *dev, struct nct6775_data *data, const struct regmap_config *regmapcfg) { … } EXPORT_SYMBOL_GPL(…); MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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