// SPDX-License-Identifier: GPL-2.0-or-later /* * w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware * monitoring * Copyright (c) 1998 - 2003 Frodo Looijaard <[email protected]>, * Philip Edelbrock <[email protected]>, * and Mark Studebaker <[email protected]> * Ported to 2.6 by Bernhard C. Schrenk <[email protected]> * Copyright (c) 2007 - 1012 Jean Delvare <[email protected]> */ /* * Supports following chips: * * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA * w83627hf 9 3 2 3 0x20 0x5ca3 no yes(LPC) * w83627thf 7 3 3 3 0x90 0x5ca3 no yes(LPC) * w83637hf 7 3 3 3 0x80 0x5ca3 no yes(LPC) * w83687thf 7 3 3 3 0x90 0x5ca3 no yes(LPC) * w83697hf 8 2 2 2 0x60 0x5ca3 no yes(LPC) * * For other winbond chips, and for i2c support in the above chips, * use w83781d.c. * * Note: automatic ("cruise") fan control for 697, 637 & 627thf not * supported yet. */ #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/ioport.h> #include <linux/acpi.h> #include <linux/io.h> #include "lm75.h" static struct platform_device *pdev; #define DRVNAME … enum chips { … }; struct w83627hf_sio_data { … }; static u8 force_i2c = …; module_param(force_i2c, byte, 0); MODULE_PARM_DESC(…) …; static bool init = …; module_param(init, bool, 0); MODULE_PARM_DESC(…) …; static unsigned short force_id; module_param(force_id, ushort, 0); MODULE_PARM_DESC(…) …; /* modified from kernel/include/traps.c */ #define DEV … /* logical device numbers for superio_select (below) */ #define W83627HF_LD_FDC … #define W83627HF_LD_PRT … #define W83627HF_LD_UART1 … #define W83627HF_LD_UART2 … #define W83627HF_LD_KBC … #define W83627HF_LD_CIR … #define W83627HF_LD_GAME … #define W83627HF_LD_MIDI … #define W83627HF_LD_GPIO1 … #define W83627HF_LD_GPIO5 … #define W83627HF_LD_GPIO2 … #define W83627HF_LD_GPIO3 … #define W83627HF_LD_GPIO4 … #define W83627HF_LD_ACPI … #define W83627HF_LD_HWM … #define DEVID … #define W83627THF_GPIO5_EN … #define W83627THF_GPIO5_IOSR … #define W83627THF_GPIO5_DR … #define W83687THF_VID_EN … #define W83687THF_VID_CFG … #define W83687THF_VID_DATA … static inline void superio_outb(struct w83627hf_sio_data *sio, int reg, int val) { … } static inline int superio_inb(struct w83627hf_sio_data *sio, int reg) { … } static inline void superio_select(struct w83627hf_sio_data *sio, int ld) { … } static inline int superio_enter(struct w83627hf_sio_data *sio) { … } static inline void superio_exit(struct w83627hf_sio_data *sio) { … } #define W627_DEVID … #define W627THF_DEVID … #define W697_DEVID … #define W637_DEVID … #define W687THF_DEVID … #define WINB_ACT_REG … #define WINB_BASE_REG … /* Constants specified below */ /* Alignment of the base address */ #define WINB_ALIGNMENT … /* Offset & size of I/O region we are interested in */ #define WINB_REGION_OFFSET … #define WINB_REGION_SIZE … /* Where are the sensors address/data registers relative to the region offset */ #define W83781D_ADDR_REG_OFFSET … #define W83781D_DATA_REG_OFFSET … /* The W83781D registers */ /* The W83782D registers for nr=7,8 are in bank 5 */ #define W83781D_REG_IN_MAX(nr) … #define W83781D_REG_IN_MIN(nr) … #define W83781D_REG_IN(nr) … /* nr:0-2 for fans:1-3 */ #define W83627HF_REG_FAN_MIN(nr) … #define W83627HF_REG_FAN(nr) … #define W83627HF_REG_TEMP2_CONFIG … #define W83627HF_REG_TEMP3_CONFIG … /* these are zero-based, unlike config constants above */ static const u16 w83627hf_reg_temp[] = …; static const u16 w83627hf_reg_temp_hyst[] = …; static const u16 w83627hf_reg_temp_over[] = …; #define W83781D_REG_BANK … #define W83781D_REG_CONFIG … #define W83781D_REG_ALARM1 … #define W83781D_REG_ALARM2 … #define W83781D_REG_ALARM3 … #define W83781D_REG_BEEP_CONFIG … #define W83781D_REG_BEEP_INTS1 … #define W83781D_REG_BEEP_INTS2 … #define W83781D_REG_BEEP_INTS3 … #define W83781D_REG_VID_FANDIV … #define W83781D_REG_CHIPID … #define W83781D_REG_WCHIPID … #define W83781D_REG_CHIPMAN … #define W83781D_REG_PIN … #define W83781D_REG_VBAT … #define W83627HF_REG_PWM1 … #define W83627HF_REG_PWM2 … static const u8 W83627THF_REG_PWM_ENABLE[] = …; static const u8 W83627THF_PWM_ENABLE_SHIFT[] = …; #define W83627THF_REG_PWM1 … #define W83627THF_REG_PWM2 … #define W83627THF_REG_PWM3 … #define W83627THF_REG_VRM_OVT_CFG … static const u8 regpwm_627hf[] = …; static const u8 regpwm[] = …; #define W836X7HF_REG_PWM(type, nr) … #define W83627HF_REG_PWM_FREQ … #define W83637HF_REG_PWM_FREQ1 … #define W83637HF_REG_PWM_FREQ2 … #define W83637HF_REG_PWM_FREQ3 … static const u8 W83637HF_REG_PWM_FREQ[] = …; #define W83627HF_BASE_PWM_FREQ … #define W83781D_REG_I2C_ADDR … #define W83781D_REG_I2C_SUBADDR … /* Sensor selection */ #define W83781D_REG_SCFG1 … static const u8 BIT_SCFG1[] = …; #define W83781D_REG_SCFG2 … static const u8 BIT_SCFG2[] = …; #define W83781D_DEFAULT_BETA … /* * Conversions. Limit checking is only done on the TO_REG * variants. Note that you should be a bit careful with which arguments * these macros are called: arguments may be evaluated more than once. * Fixing this is just not worth it. */ #define IN_TO_REG(val) … #define IN_FROM_REG(val) … static inline u8 FAN_TO_REG(long rpm, int div) { … } #define TEMP_MIN … #define TEMP_MAX … /* * TEMP: 0.001C/bit (-128C to +127C) * REG: 1C/bit, two's complement */ static u8 TEMP_TO_REG(long temp) { … } static int TEMP_FROM_REG(u8 reg) { … } #define FAN_FROM_REG(val,div) … #define PWM_TO_REG(val) … static inline unsigned long pwm_freq_from_reg_627hf(u8 reg) { … } static inline u8 pwm_freq_to_reg_627hf(unsigned long val) { … } static inline unsigned long pwm_freq_from_reg(u8 reg) { … } static inline u8 pwm_freq_to_reg(unsigned long val) { … } #define BEEP_MASK_FROM_REG(val) … #define BEEP_MASK_TO_REG(val) … #define DIV_FROM_REG(val) … static inline u8 DIV_TO_REG(long val) { … } /* * For each registered chip, we need to keep some data in memory. * The structure is dynamically allocated. */ struct w83627hf_data { … }; /* Registers 0x50-0x5f are banked */ static inline void w83627hf_set_bank(struct w83627hf_data *data, u16 reg) { … } /* Not strictly necessary, but play it safe for now */ static inline void w83627hf_reset_bank(struct w83627hf_data *data, u16 reg) { … } static int w83627hf_read_value(struct w83627hf_data *data, u16 reg) { … } static int w83627hf_write_value(struct w83627hf_data *data, u16 reg, u16 value) { … } static void w83627hf_update_fan_div(struct w83627hf_data *data) { … } static struct w83627hf_data *w83627hf_update_device(struct device *dev) { … } #ifdef CONFIG_PM static int w83627hf_suspend(struct device *dev) { … } static int w83627hf_resume(struct device *dev) { … } static const struct dev_pm_ops w83627hf_dev_pm_ops = …; #define W83627HF_DEV_PM_OPS … #else #define W83627HF_DEV_PM_OPS … #endif /* CONFIG_PM */ static int w83627thf_read_gpio5(struct platform_device *pdev) { … } static int w83687thf_read_vid(struct platform_device *pdev) { … } static void w83627hf_init_device(struct platform_device *pdev) { … } /* use a different set of functions for in0 */ static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg) { … } static ssize_t in0_input_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR_RO(in0_input); static ssize_t in0_min_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t in0_min_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static DEVICE_ATTR_RW(in0_min); static ssize_t in0_max_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t in0_max_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static DEVICE_ATTR_RW(in0_max); static ssize_t alarm_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static SENSOR_DEVICE_ATTR_RO(in0_alarm, alarm, 0); static SENSOR_DEVICE_ATTR_RO(in1_alarm, alarm, 1); static SENSOR_DEVICE_ATTR_RO(in2_alarm, alarm, 2); static SENSOR_DEVICE_ATTR_RO(in3_alarm, alarm, 3); static SENSOR_DEVICE_ATTR_RO(in4_alarm, alarm, 8); static SENSOR_DEVICE_ATTR_RO(in5_alarm, alarm, 9); static SENSOR_DEVICE_ATTR_RO(in6_alarm, alarm, 10); static SENSOR_DEVICE_ATTR_RO(in7_alarm, alarm, 16); static SENSOR_DEVICE_ATTR_RO(in8_alarm, alarm, 17); static SENSOR_DEVICE_ATTR_RO(fan1_alarm, alarm, 6); static SENSOR_DEVICE_ATTR_RO(fan2_alarm, alarm, 7); static SENSOR_DEVICE_ATTR_RO(fan3_alarm, alarm, 11); static SENSOR_DEVICE_ATTR_RO(temp1_alarm, alarm, 4); static SENSOR_DEVICE_ATTR_RO(temp2_alarm, alarm, 5); static SENSOR_DEVICE_ATTR_RO(temp3_alarm, alarm, 13); static ssize_t beep_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t beep_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static SENSOR_DEVICE_ATTR_RW(in0_beep, beep, 0); static SENSOR_DEVICE_ATTR_RW(in1_beep, beep, 1); static SENSOR_DEVICE_ATTR_RW(in2_beep, beep, 2); static SENSOR_DEVICE_ATTR_RW(in3_beep, beep, 3); static SENSOR_DEVICE_ATTR_RW(in4_beep, beep, 8); static SENSOR_DEVICE_ATTR_RW(in5_beep, beep, 9); static SENSOR_DEVICE_ATTR_RW(in6_beep, beep, 10); static SENSOR_DEVICE_ATTR_RW(in7_beep, beep, 16); static SENSOR_DEVICE_ATTR_RW(in8_beep, beep, 17); static SENSOR_DEVICE_ATTR_RW(fan1_beep, beep, 6); static SENSOR_DEVICE_ATTR_RW(fan2_beep, beep, 7); static SENSOR_DEVICE_ATTR_RW(fan3_beep, beep, 11); static SENSOR_DEVICE_ATTR_RW(temp1_beep, beep, 4); static SENSOR_DEVICE_ATTR_RW(temp2_beep, beep, 5); static SENSOR_DEVICE_ATTR_RW(temp3_beep, beep, 13); static SENSOR_DEVICE_ATTR_RW(beep_enable, beep, 15); static ssize_t in_input_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } 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 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 SENSOR_DEVICE_ATTR_RO(in1_input, in_input, 1); static SENSOR_DEVICE_ATTR_RW(in1_min, in_min, 1); static SENSOR_DEVICE_ATTR_RW(in1_max, in_max, 1); static SENSOR_DEVICE_ATTR_RO(in2_input, in_input, 2); static SENSOR_DEVICE_ATTR_RW(in2_min, in_min, 2); static SENSOR_DEVICE_ATTR_RW(in2_max, in_max, 2); static SENSOR_DEVICE_ATTR_RO(in3_input, in_input, 3); static SENSOR_DEVICE_ATTR_RW(in3_min, in_min, 3); static SENSOR_DEVICE_ATTR_RW(in3_max, in_max, 3); static SENSOR_DEVICE_ATTR_RO(in4_input, in_input, 4); static SENSOR_DEVICE_ATTR_RW(in4_min, in_min, 4); static SENSOR_DEVICE_ATTR_RW(in4_max, in_max, 4); static SENSOR_DEVICE_ATTR_RO(in5_input, in_input, 5); static SENSOR_DEVICE_ATTR_RW(in5_min, in_min, 5); static SENSOR_DEVICE_ATTR_RW(in5_max, in_max, 5); static SENSOR_DEVICE_ATTR_RO(in6_input, in_input, 6); static SENSOR_DEVICE_ATTR_RW(in6_min, in_min, 6); static SENSOR_DEVICE_ATTR_RW(in6_max, in_max, 6); static SENSOR_DEVICE_ATTR_RO(in7_input, in_input, 7); static SENSOR_DEVICE_ATTR_RW(in7_min, in_min, 7); static SENSOR_DEVICE_ATTR_RW(in7_max, in_max, 7); static SENSOR_DEVICE_ATTR_RO(in8_input, in_input, 8); static SENSOR_DEVICE_ATTR_RW(in8_min, in_min, 8); static SENSOR_DEVICE_ATTR_RW(in8_max, in_max, 8); static ssize_t fan_input_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } 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 SENSOR_DEVICE_ATTR_RO(fan1_input, fan_input, 0); static SENSOR_DEVICE_ATTR_RW(fan1_min, fan_min, 0); static SENSOR_DEVICE_ATTR_RO(fan2_input, fan_input, 1); static SENSOR_DEVICE_ATTR_RW(fan2_min, fan_min, 1); static SENSOR_DEVICE_ATTR_RO(fan3_input, fan_input, 2); static SENSOR_DEVICE_ATTR_RW(fan3_min, fan_min, 2); static ssize_t fan_div_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } /* * Note: we save and restore the fan minimum here, because its value is * determined in part by the fan divisor. This follows the principle of * least surprise; the user doesn't expect the fan minimum to change just * because the divisor changed. */ static ssize_t fan_div_store(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { … } static SENSOR_DEVICE_ATTR_RW(fan1_div, fan_div, 0); static SENSOR_DEVICE_ATTR_RW(fan2_div, fan_div, 1); static SENSOR_DEVICE_ATTR_RW(fan3_div, fan_div, 2); static ssize_t temp_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } 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 ssize_t temp_max_hyst_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static ssize_t temp_max_hyst_store(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { … } static SENSOR_DEVICE_ATTR_RO(temp1_input, temp, 0); static SENSOR_DEVICE_ATTR_RW(temp1_max, temp_max, 0); static SENSOR_DEVICE_ATTR_RW(temp1_max_hyst, temp_max_hyst, 0); static SENSOR_DEVICE_ATTR_RO(temp2_input, temp, 1); static SENSOR_DEVICE_ATTR_RW(temp2_max, temp_max, 1); static SENSOR_DEVICE_ATTR_RW(temp2_max_hyst, temp_max_hyst, 1); static SENSOR_DEVICE_ATTR_RO(temp3_input, temp, 2); static SENSOR_DEVICE_ATTR_RW(temp3_max, temp_max, 2); static SENSOR_DEVICE_ATTR_RW(temp3_max_hyst, temp_max_hyst, 2); static ssize_t temp_type_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static ssize_t temp_type_store(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { … } static SENSOR_DEVICE_ATTR_RW(temp1_type, temp_type, 0); static SENSOR_DEVICE_ATTR_RW(temp2_type, temp_type, 1); static SENSOR_DEVICE_ATTR_RW(temp3_type, temp_type, 2); static ssize_t alarms_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR_RO(alarms); #define VIN_UNIT_ATTRS(_X_) … #define FAN_UNIT_ATTRS(_X_) … #define TEMP_UNIT_ATTRS(_X_) … static ssize_t beep_mask_show(struct device *dev, struct device_attribute *attr, char *buf) { … } static ssize_t beep_mask_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { … } static DEVICE_ATTR_RW(beep_mask); 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 SENSOR_DEVICE_ATTR_RW(pwm1, pwm, 0); static SENSOR_DEVICE_ATTR_RW(pwm2, pwm, 1); static SENSOR_DEVICE_ATTR_RW(pwm3, pwm, 2); static ssize_t name_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static DEVICE_ATTR_RO(name); static struct attribute *w83627hf_attributes[] = …; static const struct attribute_group w83627hf_group = …; static ssize_t pwm_freq_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static ssize_t pwm_freq_store(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { … } static SENSOR_DEVICE_ATTR_RW(pwm1_freq, pwm_freq, 0); static SENSOR_DEVICE_ATTR_RW(pwm2_freq, pwm_freq, 1); static SENSOR_DEVICE_ATTR_RW(pwm3_freq, pwm_freq, 2); 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 pwm_enable_show(struct device *dev, struct device_attribute *devattr, char *buf) { … } static ssize_t pwm_enable_store(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { … } static SENSOR_DEVICE_ATTR_RW(pwm1_enable, pwm_enable, 0); static SENSOR_DEVICE_ATTR_RW(pwm2_enable, pwm_enable, 1); static SENSOR_DEVICE_ATTR_RW(pwm3_enable, pwm_enable, 2); static struct attribute *w83627hf_attributes_opt[] = …; static const struct attribute_group w83627hf_group_opt = …; static int w83627hf_probe(struct platform_device *pdev) { … } static void w83627hf_remove(struct platform_device *pdev) { … } static struct platform_driver w83627hf_driver = …; static int __init w83627hf_find(int sioaddr, unsigned short *addr, struct w83627hf_sio_data *sio_data) { … } static int __init w83627hf_device_add(unsigned short address, const struct w83627hf_sio_data *sio_data) { … } static int __init sensors_w83627hf_init(void) { … } static void __exit sensors_w83627hf_exit(void) { … } MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; module_init(…) …; module_exit(sensors_w83627hf_exit);
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