| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Jean Delvare | 7213 | 79.42% | 23 | 67.65% |
| Phil Endecott | 1456 | 16.03% | 1 | 2.94% |
| Guenter Roeck | 345 | 3.80% | 4 | 11.76% |
| Joe Perches | 47 | 0.52% | 1 | 2.94% |
| Julia Lawall | 8 | 0.09% | 1 | 2.94% |
| Tony Jones | 6 | 0.07% | 1 | 2.94% |
| Jingoo Han | 4 | 0.04% | 1 | 2.94% |
| Thomas Gleixner | 2 | 0.02% | 1 | 2.94% |
| H Hartley Sweeten | 1 | 0.01% | 1 | 2.94% |
| Total | 9082 | 34 |
// SPDX-License-Identifier: GPL-2.0-or-later /* * f71805f.c - driver for the Fintek F71805F/FG and F71872F/FG Super-I/O * chips integrated hardware monitoring features * Copyright (C) 2005-2006 Jean Delvare <jdelvare@suse.de> * * The F71805F/FG is a LPC Super-I/O chip made by Fintek. It integrates * complete hardware monitoring features: voltage, fan and temperature * sensors, and manual and automatic fan speed control. * * The F71872F/FG is almost the same, with two more voltages monitored, * and 6 VID inputs. * * The F71806F/FG is essentially the same as the F71872F/FG. It even has * the same chip ID, so the driver can't differentiate between. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " 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/err.h> #include <linux/mutex.h> #include <linux/sysfs.h> #include <linux/ioport.h> #include <linux/acpi.h> #include <linux/io.h> static unsigned short force_id; module_param(force_id, ushort, 0); MODULE_PARM_DESC(force_id, "Override the detected device ID"); static struct platform_device *pdev; #define DRVNAME "f71805f" enum kinds { f71805f, f71872f }; /* * Super-I/O constants and functions */ #define F71805F_LD_HWM 0x04 #define SIO_REG_LDSEL 0x07 /* Logical device select */ #define SIO_REG_DEVID 0x20 /* Device ID (2 bytes) */ #define SIO_REG_DEVREV 0x22 /* Device revision */ #define SIO_REG_MANID 0x23 /* Fintek ID (2 bytes) */ #define SIO_REG_FNSEL1 0x29 /* Multi Function Select 1 (F71872F) */ #define SIO_REG_ENABLE 0x30 /* Logical device enable */ #define SIO_REG_ADDR 0x60 /* Logical device address (2 bytes) */ #define SIO_FINTEK_ID 0x1934 #define SIO_F71805F_ID 0x0406 #define SIO_F71872F_ID 0x0341 static inline int superio_inb(int base, int reg) { outb(reg, base); return inb(base + 1); } static int superio_inw(int base, int reg) { int val; outb(reg++, base); val = inb(base + 1) << 8; outb(reg, base); val |= inb(base + 1); return val; } static inline void superio_select(int base, int ld) { outb(SIO_REG_LDSEL, base); outb(ld, base + 1); } static inline int superio_enter(int base) { if (!request_muxed_region(base, 2, DRVNAME)) return -EBUSY; outb(0x87, base); outb(0x87, base); return 0; } static inline void superio_exit(int base) { outb(0xaa, base); release_region(base, 2); } /* * ISA constants */ #define REGION_LENGTH 8 #define ADDR_REG_OFFSET 5 #define DATA_REG_OFFSET 6 /* * Registers */ /* in nr from 0 to 10 (8-bit values) */ #define F71805F_REG_IN(nr) (0x10 + (nr)) #define F71805F_REG_IN_HIGH(nr) ((nr) < 10 ? 0x40 + 2 * (nr) : 0x2E) #define F71805F_REG_IN_LOW(nr) ((nr) < 10 ? 0x41 + 2 * (nr) : 0x2F) /* fan nr from 0 to 2 (12-bit values, two registers) */ #define F71805F_REG_FAN(nr) (0x20 + 2 * (nr)) #define F71805F_REG_FAN_LOW(nr) (0x28 + 2 * (nr)) #define F71805F_REG_FAN_TARGET(nr) (0x69 + 16 * (nr)) #define F71805F_REG_FAN_CTRL(nr) (0x60 + 16 * (nr)) #define F71805F_REG_PWM_FREQ(nr) (0x63 + 16 * (nr)) #define F71805F_REG_PWM_DUTY(nr) (0x6B + 16 * (nr)) /* temp nr from 0 to 2 (8-bit values) */ #define F71805F_REG_TEMP(nr) (0x1B + (nr)) #define F71805F_REG_TEMP_HIGH(nr) (0x54 + 2 * (nr)) #define F71805F_REG_TEMP_HYST(nr) (0x55 + 2 * (nr)) #define F71805F_REG_TEMP_MODE 0x01 /* pwm/fan pwmnr from 0 to 2, auto point apnr from 0 to 2 */ /* map Fintek numbers to our numbers as follows: 9->0, 5->1, 1->2 */ #define F71805F_REG_PWM_AUTO_POINT_TEMP(pwmnr, apnr) \ (0xA0 + 0x10 * (pwmnr) + (2 - (apnr))) #define F71805F_REG_PWM_AUTO_POINT_FAN(pwmnr, apnr) \ (0xA4 + 0x10 * (pwmnr) + \ 2 * (2 - (apnr))) #define F71805F_REG_START 0x00 /* status nr from 0 to 2 */ #define F71805F_REG_STATUS(nr) (0x36 + (nr)) /* individual register bits */ #define FAN_CTRL_DC_MODE 0x10 #define FAN_CTRL_LATCH_FULL 0x08 #define FAN_CTRL_MODE_MASK 0x03 #define FAN_CTRL_MODE_SPEED 0x00 #define FAN_CTRL_MODE_TEMPERATURE 0x01 #define FAN_CTRL_MODE_MANUAL 0x02 /* * Data structures and manipulation thereof */ struct f71805f_auto_point { u8 temp[3]; u16 fan[3]; }; struct f71805f_data { unsigned short addr; const char *name; struct device *hwmon_dev; struct mutex update_lock; char valid; /* !=0 if following fields are valid */ unsigned long last_updated; /* In jiffies */ unsigned long last_limits; /* In jiffies */ /* Register values */ u8 in[11]; u8 in_high[11]; u8 in_low[11]; u16 has_in; u16 fan[3]; u16 fan_low[3]; u16 fan_target[3]; u8 fan_ctrl[3]; u8 pwm[3]; u8 pwm_freq[3]; u8 temp[3]; u8 temp_high[3]; u8 temp_hyst[3]; u8 temp_mode; unsigned long alarms; struct f71805f_auto_point auto_points[3]; }; struct f71805f_sio_data { enum kinds kind; u8 fnsel1; }; static inline long in_from_reg(u8 reg) { return reg * 8; } /* The 2 least significant bits are not used */ static inline u8 in_to_reg(long val) { if (val <= 0) return 0; if (val >= 2016) return 0xfc; return ((val + 16) / 32) << 2; } /* in0 is downscaled by a factor 2 internally */ static inline long in0_from_reg(u8 reg) { return reg * 16; } static inline u8 in0_to_reg(long val) { if (val <= 0) return 0; if (val >= 4032) return 0xfc; return ((val + 32) / 64) << 2; } /* The 4 most significant bits are not used */ static inline long fan_from_reg(u16 reg) { reg &= 0xfff; if (!reg || reg == 0xfff) return 0; return 1500000 / reg; } static inline u16 fan_to_reg(long rpm) { /* * If the low limit is set below what the chip can measure, * store the largest possible 12-bit value in the registers, * so that no alarm will ever trigger. */ if (rpm < 367) return 0xfff; return 1500000 / rpm; } static inline unsigned long pwm_freq_from_reg(u8 reg) { unsigned long clock = (reg & 0x80) ? 48000000UL : 1000000UL; reg &= 0x7f; if (reg == 0) reg++; return clock / (reg << 8); } static inline u8 pwm_freq_to_reg(unsigned long val) { if (val >= 187500) /* The highest we can do */ return 0x80; if (val >= 1475) /* Use 48 MHz clock */ return 0x80 | (48000000UL / (val << 8)); if (val < 31) /* The lowest we can do */ return 0x7f; else /* Use 1 MHz clock */ return 1000000UL / (val << 8); } static inline int pwm_mode_from_reg(u8 reg) { return !(reg & FAN_CTRL_DC_MODE); } static inline long temp_from_reg(u8 reg) { return reg * 1000; } static inline u8 temp_to_reg(long val) { if (val <= 0) return 0; if (val >= 1000 * 0xff) return 0xff; return (val + 500) / 1000; } /* * Device I/O access */ /* Must be called with data->update_lock held, except during initialization */ static u8 f71805f_read8(struct f71805f_data *data, u8 reg) { outb(reg, data->addr + ADDR_REG_OFFSET); return inb(data->addr + DATA_REG_OFFSET); } /* Must be called with data->update_lock held, except during initialization */ static void f71805f_write8(struct f71805f_data *data, u8 reg, u8 val) { outb(reg, data->addr + ADDR_REG_OFFSET); outb(val, data->addr + DATA_REG_OFFSET); } /* * It is important to read the MSB first, because doing so latches the * value of the LSB, so we are sure both bytes belong to the same value. * Must be called with data->update_lock held, except during initialization */ static u16 f71805f_read16(struct f71805f_data *data, u8 reg) { u16 val; outb(reg, data->addr + ADDR_REG_OFFSET); val = inb(data->addr + DATA_REG_OFFSET) << 8; outb(++reg, data->addr + ADDR_REG_OFFSET); val |= inb(data->addr + DATA_REG_OFFSET); return val; } /* Must be called with data->update_lock held, except during initialization */ static void f71805f_write16(struct f71805f_data *data, u8 reg, u16 val) { outb(reg, data->addr + ADDR_REG_OFFSET); outb(val >> 8, data->addr + DATA_REG_OFFSET); outb(++reg, data->addr + ADDR_REG_OFFSET); outb(val & 0xff, data->addr + DATA_REG_OFFSET); } static struct f71805f_data *f71805f_update_device(struct device *dev) { struct f71805f_data *data = dev_get_drvdata(dev); int nr, apnr; mutex_lock(&data->update_lock); /* Limit registers cache is refreshed after 60 seconds */ if (time_after(jiffies, data->last_updated + 60 * HZ) || !data->valid) { for (nr = 0; nr < 11; nr++) { if (!(data->has_in & (1 << nr))) continue; data->in_high[nr] = f71805f_read8(data, F71805F_REG_IN_HIGH(nr)); data->in_low[nr] = f71805f_read8(data, F71805F_REG_IN_LOW(nr)); } for (nr = 0; nr < 3; nr++) { data->fan_low[nr] = f71805f_read16(data, F71805F_REG_FAN_LOW(nr)); data->fan_target[nr] = f71805f_read16(data, F71805F_REG_FAN_TARGET(nr)); data->pwm_freq[nr] = f71805f_read8(data, F71805F_REG_PWM_FREQ(nr)); } for (nr = 0; nr < 3; nr++) { data->temp_high[nr] = f71805f_read8(data, F71805F_REG_TEMP_HIGH(nr)); data->temp_hyst[nr] = f71805f_read8(data, F71805F_REG_TEMP_HYST(nr)); } data->temp_mode = f71805f_read8(data, F71805F_REG_TEMP_MODE); for (nr = 0; nr < 3; nr++) { for (apnr = 0; apnr < 3; apnr++) { data->auto_points[nr].temp[apnr] = f71805f_read8(data, F71805F_REG_PWM_AUTO_POINT_TEMP(nr, apnr)); data->auto_points[nr].fan[apnr] = f71805f_read16(data, F71805F_REG_PWM_AUTO_POINT_FAN(nr, apnr)); } } data->last_limits = jiffies; } /* Measurement registers cache is refreshed after 1 second */ if (time_after(jiffies, data->last_updated + HZ) || !data->valid) { for (nr = 0; nr < 11; nr++) { if (!(data->has_in & (1 << nr))) continue; data->in[nr] = f71805f_read8(data, F71805F_REG_IN(nr)); } for (nr = 0; nr < 3; nr++) { data->fan[nr] = f71805f_read16(data, F71805F_REG_FAN(nr)); data->fan_ctrl[nr] = f71805f_read8(data, F71805F_REG_FAN_CTRL(nr)); data->pwm[nr] = f71805f_read8(data, F71805F_REG_PWM_DUTY(nr)); } for (nr = 0; nr < 3; nr++) { data->temp[nr] = f71805f_read8(data, F71805F_REG_TEMP(nr)); } data->alarms = f71805f_read8(data, F71805F_REG_STATUS(0)) + (f71805f_read8(data, F71805F_REG_STATUS(1)) << 8) + (f71805f_read8(data, F71805F_REG_STATUS(2)) << 16); data->last_updated = jiffies; data->valid = 1; } mutex_unlock(&data->update_lock); return data; } /* * Sysfs interface */ static ssize_t show_in0(struct device *dev, struct device_attribute *devattr, char *buf) { struct f71805f_data *data = f71805f_update_device(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); int nr = attr->index; return sprintf(buf, "%ld\n", in0_from_reg(data->in[nr])); } static ssize_t show_in0_max(struct device *dev, struct device_attribute *devattr, char *buf) { struct f71805f_data *data = f71805f_update_device(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); int nr = attr->index; return sprintf(buf, "%ld\n", in0_from_reg(data->in_high[nr])); } static ssize_t show_in0_min(struct device *dev, struct device_attribute *devattr, char *buf) { struct f71805f_data *data = f71805f_update_device(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); int nr = attr->index; return sprintf(buf, "%ld\n", in0_from_reg(data->in_low[nr])); } static ssize_t set_in0_max(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { struct f71805f_data *data = dev_get_drvdata(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); int nr = attr->index; long val; int err; err = kstrtol(buf, 10, &val); if (err) return err; mutex_lock(&data->update_lock); data->in_high[nr] = in0_to_reg(val); f71805f_write8(data, F71805F_REG_IN_HIGH(nr), data->in_high[nr]); mutex_unlock(&data->update_lock); return count; } static ssize_t set_in0_min(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { struct f71805f_data *data = dev_get_drvdata(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); int nr = attr->index; long val; int err; err = kstrtol(buf, 10, &val); if (err) return err; mutex_lock(&data->update_lock); data->in_low[nr] = in0_to_reg(val); f71805f_write8(data, F71805F_REG_IN_LOW(nr), data->in_low[nr]); mutex_unlock(&data->update_lock); return count; } static ssize_t show_in(struct device *dev, struct device_attribute *devattr, char *buf) { struct f71805f_data *data = f71805f_update_device(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); int nr = attr->index; return sprintf(buf, "%ld\n", in_from_reg(data->in[nr])); } static ssize_t show_in_max(struct device *dev, struct device_attribute *devattr, char *buf) { struct f71805f_data *data = f71805f_update_device(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); int nr = attr->index; return sprintf(buf, "%ld\n", in_from_reg(data->in_high[nr])); } static ssize_t show_in_min(struct device *dev, struct device_attribute *devattr, char *buf) { struct f71805f_data *data = f71805f_update_device(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); int nr = attr->index; return sprintf(buf, "%ld\n", in_from_reg(data->in_low[nr])); } static ssize_t set_in_max(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { struct f71805f_data *data = dev_get_drvdata(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); int nr = attr->index; long val; int err; err = kstrtol(buf, 10, &val); if (err) return err; mutex_lock(&data->update_lock); data->in_high[nr] = in_to_reg(val); f71805f_write8(data, F71805F_REG_IN_HIGH(nr), data->in_high[nr]); mutex_unlock(&data->update_lock); return count; } static ssize_t set_in_min(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { struct f71805f_data *data = dev_get_drvdata(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); int nr = attr->index; long val; int err; err = kstrtol(buf, 10, &val); if (err) return err; mutex_lock(&data->update_lock); data->in_low[nr] = in_to_reg(val); f71805f_write8(data, F71805F_REG_IN_LOW(nr), data->in_low[nr]); mutex_unlock(&data->update_lock); return count; } static ssize_t show_fan(struct device *dev, struct device_attribute *devattr, char *buf) { struct f71805f_data *data = f71805f_update_device(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); int nr = attr->index; return sprintf(buf, "%ld\n", fan_from_reg(data->fan[nr])); } static ssize_t show_fan_min(struct device *dev, struct device_attribute *devattr, char *buf) { struct f71805f_data *data = f71805f_update_device(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); int nr = attr->index; return sprintf(buf, "%ld\n", fan_from_reg(data->fan_low[nr])); } static ssize_t show_fan_target(struct device *dev, struct device_attribute *devattr, char *buf) { struct f71805f_data *data = f71805f_update_device(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); int nr = attr->index; return sprintf(buf, "%ld\n", fan_from_reg(data->fan_target[nr])); } static ssize_t set_fan_min(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { struct f71805f_data *data = dev_get_drvdata(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); int nr = attr->index; long val; int err; err = kstrtol(buf, 10, &val); if (err) return err; mutex_lock(&data->update_lock); data->fan_low[nr] = fan_to_reg(val); f71805f_write16(data, F71805F_REG_FAN_LOW(nr), data->fan_low[nr]); mutex_unlock(&data->update_lock); return count; } static ssize_t set_fan_target(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { struct f71805f_data *data = dev_get_drvdata(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); int nr = attr->index; long val; int err; err = kstrtol(buf, 10, &val); if (err) return err; mutex_lock(&data->update_lock); data->fan_target[nr] = fan_to_reg(val); f71805f_write16(data, F71805F_REG_FAN_TARGET(nr), data->fan_target[nr]); mutex_unlock(&data->update_lock); return count; } static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr, char *buf) { struct f71805f_data *data = f71805f_update_device(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); int nr = attr->index; return sprintf(buf, "%d\n", (int)data->pwm[nr]); } static ssize_t show_pwm_enable(struct device *dev, struct device_attribute *devattr, char *buf) { struct f71805f_data *data = f71805f_update_device(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); int nr = attr->index; int mode; switch (data->fan_ctrl[nr] & FAN_CTRL_MODE_MASK) { case FAN_CTRL_MODE_SPEED: mode = 3; break; case FAN_CTRL_MODE_TEMPERATURE: mode = 2; break; default: /* MANUAL */ mode = 1; } return sprintf(buf, "%d\n", mode); } static ssize_t show_pwm_freq(struct device *dev, struct device_attribute *devattr, char *buf) { struct f71805f_data *data = f71805f_update_device(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); int nr = attr->index; return sprintf(buf, "%lu\n", pwm_freq_from_reg(data->pwm_freq[nr])); } static ssize_t show_pwm_mode(struct device *dev, struct device_attribute *devattr, char *buf) { struct f71805f_data *data = f71805f_update_device(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); int nr = attr->index; return sprintf(buf, "%d\n", pwm_mode_from_reg(data->fan_ctrl[nr])); } static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { struct f71805f_data *data = dev_get_drvdata(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); int nr = attr->index; unsigned long val; int err; err = kstrtoul(buf, 10, &val); if (err) return err; if (val > 255) return -EINVAL; mutex_lock(&data->update_lock); data->pwm[nr] = val; f71805f_write8(data, F71805F_REG_PWM_DUTY(nr), data->pwm[nr]); mutex_unlock(&data->update_lock); return count; } static struct attribute *f71805f_attr_pwm[]; static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { struct f71805f_data *data = dev_get_drvdata(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); int nr = attr->index; u8 reg; unsigned long val; int err; err = kstrtoul(buf, 10, &val); if (err) return err; if (val < 1 || val > 3) return -EINVAL; if (val > 1) { /* Automatic mode, user can't set PWM value */ if (sysfs_chmod_file(&dev->kobj, f71805f_attr_pwm[nr], S_IRUGO)) dev_dbg(dev, "chmod -w pwm%d failed\n", nr + 1); } mutex_lock(&data->update_lock); reg = f71805f_read8(data, F71805F_REG_FAN_CTRL(nr)) & ~FAN_CTRL_MODE_MASK; switch (val) { case 1: reg |= FAN_CTRL_MODE_MANUAL; break; case 2: reg |= FAN_CTRL_MODE_TEMPERATURE; break; case 3: reg |= FAN_CTRL_MODE_SPEED; break; } data->fan_ctrl[nr] = reg; f71805f_write8(data, F71805F_REG_FAN_CTRL(nr), reg); mutex_unlock(&data->update_lock); if (val == 1) { /* Manual mode, user can set PWM value */ if (sysfs_chmod_file(&dev->kobj, f71805f_attr_pwm[nr], S_IRUGO | S_IWUSR)) dev_dbg(dev, "chmod +w pwm%d failed\n", nr + 1); } return count; } static ssize_t set_pwm_freq(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { struct f71805f_data *data = dev_get_drvdata(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); int nr = attr->index; unsigned long val; int err; err = kstrtoul(buf, 10, &val); if (err) return err; mutex_lock(&data->update_lock); data->pwm_freq[nr] = pwm_freq_to_reg(val); f71805f_write8(data, F71805F_REG_PWM_FREQ(nr), data->pwm_freq[nr]); mutex_unlock(&data->update_lock); return count; } static ssize_t show_pwm_auto_point_temp(struct device *dev, struct device_attribute *devattr, char *buf) { struct f71805f_data *data = dev_get_drvdata(dev); struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); int pwmnr = attr->nr; int apnr = attr->index; return sprintf(buf, "%ld\n", temp_from_reg(data->auto_points[pwmnr].temp[apnr])); } static ssize_t set_pwm_auto_point_temp(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { struct f71805f_data *data = dev_get_drvdata(dev); struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); int pwmnr = attr->nr; int apnr = attr->index; unsigned long val; int err; err = kstrtoul(buf, 10, &val); if (err) return err; mutex_lock(&data->update_lock); data->auto_points[pwmnr].temp[apnr] = temp_to_reg(val); f71805f_write8(data, F71805F_REG_PWM_AUTO_POINT_TEMP(pwmnr, apnr), data->auto_points[pwmnr].temp[apnr]); mutex_unlock(&data->update_lock); return count; } static ssize_t show_pwm_auto_point_fan(struct device *dev, struct device_attribute *devattr, char *buf) { struct f71805f_data *data = dev_get_drvdata(dev); struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); int pwmnr = attr->nr; int apnr = attr->index; return sprintf(buf, "%ld\n", fan_from_reg(data->auto_points[pwmnr].fan[apnr])); } static ssize_t set_pwm_auto_point_fan(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { struct f71805f_data *data = dev_get_drvdata(dev); struct sensor_device_attribute_2 *attr = to_sensor_dev_attr_2(devattr); int pwmnr = attr->nr; int apnr = attr->index; unsigned long val; int err; err = kstrtoul(buf, 10, &val); if (err) return err; mutex_lock(&data->update_lock); data->auto_points[pwmnr].fan[apnr] = fan_to_reg(val); f71805f_write16(data, F71805F_REG_PWM_AUTO_POINT_FAN(pwmnr, apnr), data->auto_points[pwmnr].fan[apnr]); mutex_unlock(&data->update_lock); return count; } static ssize_t show_temp(struct device *dev, struct device_attribute *devattr, char *buf) { struct f71805f_data *data = f71805f_update_device(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); int nr = attr->index; return sprintf(buf, "%ld\n", temp_from_reg(data->temp[nr])); } static ssize_t show_temp_max(struct device *dev, struct device_attribute *devattr, char *buf) { struct f71805f_data *data = f71805f_update_device(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); int nr = attr->index; return sprintf(buf, "%ld\n", temp_from_reg(data->temp_high[nr])); } static ssize_t show_temp_hyst(struct device *dev, struct device_attribute *devattr, char *buf) { struct f71805f_data *data = f71805f_update_device(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); int nr = attr->index; return sprintf(buf, "%ld\n", temp_from_reg(data->temp_hyst[nr])); } static ssize_t show_temp_type(struct device *dev, struct device_attribute *devattr, char *buf) { struct f71805f_data *data = f71805f_update_device(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); int nr = attr->index; /* 3 is diode, 4 is thermistor */ return sprintf(buf, "%u\n", (data->temp_mode & (1 << nr)) ? 3 : 4); } static ssize_t set_temp_max(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { struct f71805f_data *data = dev_get_drvdata(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); int nr = attr->index; long val; int err; err = kstrtol(buf, 10, &val); if (err) return err; mutex_lock(&data->update_lock); data->temp_high[nr] = temp_to_reg(val); f71805f_write8(data, F71805F_REG_TEMP_HIGH(nr), data->temp_high[nr]); mutex_unlock(&data->update_lock); return count; } static ssize_t set_temp_hyst(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) { struct f71805f_data *data = dev_get_drvdata(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); int nr = attr->index; long val; int err; err = kstrtol(buf, 10, &val); if (err) return err; mutex_lock(&data->update_lock); data->temp_hyst[nr] = temp_to_reg(val); f71805f_write8(data, F71805F_REG_TEMP_HYST(nr), data->temp_hyst[nr]); mutex_unlock(&data->update_lock); return count; } static ssize_t alarms_in_show(struct device *dev, struct device_attribute *devattr, char *buf) { struct f71805f_data *data = f71805f_update_device(dev); return sprintf(buf, "%lu\n", data->alarms & 0x7ff); } static ssize_t alarms_fan_show(struct device *dev, struct device_attribute *devattr, char *buf) { struct f71805f_data *data = f71805f_update_device(dev); return sprintf(buf, "%lu\n", (data->alarms >> 16) & 0x07); } static ssize_t alarms_temp_show(struct device *dev, struct device_attribute *devattr, char *buf) { struct f71805f_data *data = f71805f_update_device(dev); return sprintf(buf, "%lu\n", (data->alarms >> 11) & 0x07); } static ssize_t show_alarm(struct device *dev, struct device_attribute *devattr, char *buf) { struct f71805f_data *data = f71805f_update_device(dev); struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); int bitnr = attr->index; return sprintf(buf, "%lu\n", (data->alarms >> bitnr) & 1); } static ssize_t name_show(struct device *dev, struct device_attribute *devattr, char *buf) { struct f71805f_data *data = dev_get_drvdata(dev); return sprintf(buf, "%s\n", data->name); } static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_in0, NULL, 0); static SENSOR_DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR, show_in0_max, set_in0_max, 0); static SENSOR_DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR, show_in0_min, set_in0_min, 0); static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_in, NULL, 1); static SENSOR_DEVICE_ATTR(in1_max, S_IRUGO | S_IWUSR, show_in_max, set_in_max, 1); static SENSOR_DEVICE_ATTR(in1_min, S_IRUGO | S_IWUSR, show_in_min, set_in_min, 1); static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_in, NULL, 2); static SENSOR_DEVICE_ATTR(in2_max, S_IRUGO | S_IWUSR, show_in_max, set_in_max, 2); static SENSOR_DEVICE_ATTR(in2_min, S_IRUGO | S_IWUSR, show_in_min, set_in_min, 2); static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, show_in, NULL, 3); static SENSOR_DEVICE_ATTR(in3_max, S_IRUGO | S_IWUSR, show_in_max, set_in_max, 3); static SENSOR_DEVICE_ATTR(in3_min, S_IRUGO | S_IWUSR, show_in_min, set_in_min, 3); static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, show_in, NULL, 4); static SENSOR_DEVICE_ATTR(in4_max, S_IRUGO | S_IWUSR, show_in_max, set_in_max, 4); static SENSOR_DEVICE_ATTR(in4_min, S_IRUGO | S_IWUSR, show_in_min, set_in_min, 4); static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_in, NULL, 5); static SENSOR_DEVICE_ATTR(in5_max, S_IRUGO | S_IWUSR, show_in_max, set_in_max, 5); static SENSOR_DEVICE_ATTR(in5_min, S_IRUGO | S_IWUSR, show_in_min, set_in_min, 5); static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_in, NULL, 6); static SENSOR_DEVICE_ATTR(in6_max, S_IRUGO | S_IWUSR, show_in_max, set_in_max, 6); static SENSOR_DEVICE_ATTR(in6_min, S_IRUGO | S_IWUSR, show_in_min, set_in_min, 6); static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_in, NULL, 7); static SENSOR_DEVICE_ATTR(in7_max, S_IRUGO | S_IWUSR, show_in_max, set_in_max, 7); static SENSOR_DEVICE_ATTR(in7_min, S_IRUGO | S_IWUSR, show_in_min, set_in_min, 7); static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, show_in, NULL, 8); static SENSOR_DEVICE_ATTR(in8_max, S_IRUGO | S_IWUSR, show_in_max, set_in_max, 8); static SENSOR_DEVICE_ATTR(in8_min, S_IRUGO | S_IWUSR, show_in_min, set_in_min, 8); static SENSOR_DEVICE_ATTR(in9_input, S_IRUGO, show_in0, NULL, 9); static SENSOR_DEVICE_ATTR(in9_max, S_IRUGO | S_IWUSR, show_in0_max, set_in0_max, 9); static SENSOR_DEVICE_ATTR(in9_min, S_IRUGO | S_IWUSR, show_in0_min, set_in0_min, 9); static SENSOR_DEVICE_ATTR(in10_input, S_IRUGO, show_in0, NULL, 10); static SENSOR_DEVICE_ATTR(in10_max, S_IRUGO | S_IWUSR, show_in0_max, set_in0_max, 10); static SENSOR_DEVICE_ATTR(in10_min, S_IRUGO | S_IWUSR, show_in0_min, set_in0_min, 10); static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0); static SENSOR_DEVICE_ATTR(fan1_min, S_IRUGO | S_IWUSR, show_fan_min, set_fan_min, 0); static SENSOR_DEVICE_ATTR(fan1_target, S_IRUGO | S_IWUSR, show_fan_target, set_fan_target, 0); static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1); static SENSOR_DEVICE_ATTR(fan2_min, S_IRUGO | S_IWUSR, show_fan_min, set_fan_min, 1); static SENSOR_DEVICE_ATTR(fan2_target, S_IRUGO | S_IWUSR, show_fan_target, set_fan_target, 1); static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2); static SENSOR_DEVICE_ATTR(fan3_min, S_IRUGO | S_IWUSR, show_fan_min, set_fan_min, 2); static SENSOR_DEVICE_ATTR(fan3_target, S_IRUGO | S_IWUSR, show_fan_target, set_fan_target, 2); static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0); static SENSOR_DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR, show_temp_max, set_temp_max, 0); static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR, show_temp_hyst, set_temp_hyst, 0); static SENSOR_DEVICE_ATTR(temp1_type, S_IRUGO, show_temp_type, NULL, 0); static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1); static SENSOR_DEVICE_ATTR(temp2_max, S_IRUGO | S_IWUSR, show_temp_max, set_temp_max, 1); static SENSOR_DEVICE_ATTR(temp2_max_hyst, S_IRUGO | S_IWUSR, show_temp_hyst, set_temp_hyst, 1); static SENSOR_DEVICE_ATTR(temp2_type, S_IRUGO, show_temp_type, NULL, 1); static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2); static SENSOR_DEVICE_ATTR(temp3_max, S_IRUGO | S_IWUSR, show_temp_max, set_temp_max, 2); static SENSOR_DEVICE_ATTR(temp3_max_hyst, S_IRUGO | S_IWUSR, show_temp_hyst, set_temp_hyst, 2); static SENSOR_DEVICE_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2); /* * pwm (value) files are created read-only, write permission is * then added or removed dynamically as needed */ static SENSOR_DEVICE_ATTR(pwm1, S_IRUGO, show_pwm, set_pwm, 0); static SENSOR_DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, show_pwm_enable, set_pwm_enable, 0); static SENSOR_DEVICE_ATTR(pwm1_freq, S_IRUGO | S_IWUSR, show_pwm_freq, set_pwm_freq, 0); static SENSOR_DEVICE_ATTR(pwm1_mode, S_IRUGO, show_pwm_mode, NULL, 0); static SENSOR_DEVICE_ATTR(pwm2, S_IRUGO, show_pwm, set_pwm, 1); static SENSOR_DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR, show_pwm_enable, set_pwm_enable, 1); static SENSOR_DEVICE_ATTR(pwm2_freq, S_IRUGO | S_IWUSR, show_pwm_freq, set_pwm_freq, 1); static SENSOR_DEVICE_ATTR(pwm2_mode, S_IRUGO, show_pwm_mode, NULL, 1); static SENSOR_DEVICE_ATTR(pwm3, S_IRUGO, show_pwm, set_pwm, 2); static SENSOR_DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR, show_pwm_enable, set_pwm_enable, 2); static SENSOR_DEVICE_ATTR(pwm3_freq, S_IRUGO | S_IWUSR, show_pwm_freq, set_pwm_freq, 2); static SENSOR_DEVICE_ATTR(pwm3_mode, S_IRUGO, show_pwm_mode, NULL, 2); static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_temp, S_IRUGO | S_IWUSR, show_pwm_auto_point_temp, set_pwm_auto_point_temp, 0, 0); static SENSOR_DEVICE_ATTR_2(pwm1_auto_point1_fan, S_IRUGO | S_IWUSR, show_pwm_auto_point_fan, set_pwm_auto_point_fan, 0, 0); static SENSOR_DEVICE_ATTR_2(pwm1_auto_point2_temp, S_IRUGO | S_IWUSR, show_pwm_auto_point_temp, set_pwm_auto_point_temp, 0, 1); static SENSOR_DEVICE_ATTR_2(pwm1_auto_point2_fan, S_IRUGO | S_IWUSR, show_pwm_auto_point_fan, set_pwm_auto_point_fan, 0, 1); static SENSOR_DEVICE_ATTR_2(pwm1_auto_point3_temp, S_IRUGO | S_IWUSR, show_pwm_auto_point_temp, set_pwm_auto_point_temp, 0, 2); static SENSOR_DEVICE_ATTR_2(pwm1_auto_point3_fan, S_IRUGO | S_IWUSR, show_pwm_auto_point_fan, set_pwm_auto_point_fan, 0, 2); static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_temp, S_IRUGO | S_IWUSR, show_pwm_auto_point_temp, set_pwm_auto_point_temp, 1, 0); static SENSOR_DEVICE_ATTR_2(pwm2_auto_point1_fan, S_IRUGO | S_IWUSR, show_pwm_auto_point_fan, set_pwm_auto_point_fan, 1, 0); static SENSOR_DEVICE_ATTR_2(pwm2_auto_point2_temp, S_IRUGO | S_IWUSR, show_pwm_auto_point_temp, set_pwm_auto_point_temp, 1, 1); static SENSOR_DEVICE_ATTR_2(pwm2_auto_point2_fan, S_IRUGO | S_IWUSR, show_pwm_auto_point_fan, set_pwm_auto_point_fan, 1, 1); static SENSOR_DEVICE_ATTR_2(pwm2_auto_point3_temp, S_IRUGO | S_IWUSR, show_pwm_auto_point_temp, set_pwm_auto_point_temp, 1, 2); static SENSOR_DEVICE_ATTR_2(pwm2_auto_point3_fan, S_IRUGO | S_IWUSR, show_pwm_auto_point_fan, set_pwm_auto_point_fan, 1, 2); static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_temp, S_IRUGO | S_IWUSR, show_pwm_auto_point_temp, set_pwm_auto_point_temp, 2, 0); static SENSOR_DEVICE_ATTR_2(pwm3_auto_point1_fan, S_IRUGO | S_IWUSR, show_pwm_auto_point_fan, set_pwm_auto_point_fan, 2, 0); static SENSOR_DEVICE_ATTR_2(pwm3_auto_point2_temp, S_IRUGO | S_IWUSR, show_pwm_auto_point_temp, set_pwm_auto_point_temp, 2, 1); static SENSOR_DEVICE_ATTR_2(pwm3_auto_point2_fan, S_IRUGO | S_IWUSR, show_pwm_auto_point_fan, set_pwm_auto_point_fan, 2, 1); static SENSOR_DEVICE_ATTR_2(pwm3_auto_point3_temp, S_IRUGO | S_IWUSR, show_pwm_auto_point_temp, set_pwm_auto_point_temp, 2, 2); static SENSOR_DEVICE_ATTR_2(pwm3_auto_point3_fan, S_IRUGO | S_IWUSR, show_pwm_auto_point_fan, set_pwm_auto_point_fan, 2, 2); static SENSOR_DEVICE_ATTR(in0_alarm, S_IRUGO, show_alarm, NULL, 0); static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL, 1); static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL, 2); static SENSOR_DEVICE_ATTR(in3_alarm, S_IRUGO, show_alarm, NULL, 3); static SENSOR_DEVICE_ATTR(in4_alarm, S_IRUGO, show_alarm, NULL, 4); static SENSOR_DEVICE_ATTR(in5_alarm, S_IRUGO, show_alarm, NULL, 5); static SENSOR_DEVICE_ATTR(in6_alarm, S_IRUGO, show_alarm, NULL, 6); static SENSOR_DEVICE_ATTR(in7_alarm, S_IRUGO, show_alarm, NULL, 7); static SENSOR_DEVICE_ATTR(in8_alarm, S_IRUGO, show_alarm, NULL, 8); static SENSOR_DEVICE_ATTR(in9_alarm, S_IRUGO, show_alarm, NULL, 9); static SENSOR_DEVICE_ATTR(in10_alarm, S_IRUGO, show_alarm, NULL, 10); static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 11); static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 12); static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13); static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL, 16); static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL, 17); static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL, 18); static DEVICE_ATTR_RO(alarms_in); static DEVICE_ATTR_RO(alarms_fan); static DEVICE_ATTR_RO(alarms_temp); static DEVICE_ATTR_RO(name); static struct attribute *f71805f_attributes[] = { &sensor_dev_attr_in0_input.dev_attr.attr, &sensor_dev_attr_in0_max.dev_attr.attr, &sensor_dev_attr_in0_min.dev_attr.attr, &sensor_dev_attr_in1_input.dev_attr.attr, &sensor_dev_attr_in1_max.dev_attr.attr, &sensor_dev_attr_in1_min.dev_attr.attr, &sensor_dev_attr_in2_input.dev_attr.attr, &sensor_dev_attr_in2_max.dev_attr.attr, &sensor_dev_attr_in2_min.dev_attr.attr, &sensor_dev_attr_in3_input.dev_attr.attr, &sensor_dev_attr_in3_max.dev_attr.attr, &sensor_dev_attr_in3_min.dev_attr.attr, &sensor_dev_attr_in5_input.dev_attr.attr, &sensor_dev_attr_in5_max.dev_attr.attr, &sensor_dev_attr_in5_min.dev_attr.attr, &sensor_dev_attr_in6_input.dev_attr.attr, &sensor_dev_attr_in6_max.dev_attr.attr, &sensor_dev_attr_in6_min.dev_attr.attr, &sensor_dev_attr_in7_input.dev_attr.attr, &sensor_dev_attr_in7_max.dev_attr.attr, &sensor_dev_attr_in7_min.dev_attr.attr, &sensor_dev_attr_fan1_input.dev_attr.attr, &sensor_dev_attr_fan1_min.dev_attr.attr, &sensor_dev_attr_fan1_alarm.dev_attr.attr, &sensor_dev_attr_fan1_target.dev_attr.attr, &sensor_dev_attr_fan2_input.dev_attr.attr, &sensor_dev_attr_fan2_min.dev_attr.attr, &sensor_dev_attr_fan2_alarm.dev_attr.attr, &sensor_dev_attr_fan2_target.dev_attr.attr, &sensor_dev_attr_fan3_input.dev_attr.attr, &sensor_dev_attr_fan3_min.dev_attr.attr, &sensor_dev_attr_fan3_alarm.dev_attr.attr, &sensor_dev_attr_fan3_target.dev_attr.attr, &sensor_dev_attr_pwm1.dev_attr.attr, &sensor_dev_attr_pwm1_enable.dev_attr.attr, &sensor_dev_attr_pwm1_mode.dev_attr.attr, &sensor_dev_attr_pwm2.dev_attr.attr, &sensor_dev_attr_pwm2_enable.dev_attr.attr, &sensor_dev_attr_pwm2_mode.dev_attr.attr, &sensor_dev_attr_pwm3.dev_attr.attr, &sensor_dev_attr_pwm3_enable.dev_attr.attr, &sensor_dev_attr_pwm3_mode.dev_attr.attr, &sensor_dev_attr_temp1_input.dev_attr.attr, &sensor_dev_attr_temp1_max.dev_attr.attr, &sensor_dev_attr_temp1_max_hyst.dev_attr.attr, &sensor_dev_attr_temp1_type.dev_attr.attr, &sensor_dev_attr_temp2_input.dev_attr.attr, &sensor_dev_attr_temp2_max.dev_attr.attr, &sensor_dev_attr_temp2_max_hyst.dev_attr.attr, &sensor_dev_attr_temp2_type.dev_attr.attr, &sensor_dev_attr_temp3_input.dev_attr.attr, &sensor_dev_attr_temp3_max.dev_attr.attr, &sensor_dev_attr_temp3_max_hyst.dev_attr.attr, &sensor_dev_attr_temp3_type.dev_attr.attr, &sensor_dev_attr_pwm1_auto_point1_temp.dev_attr.attr, &sensor_dev_attr_pwm1_auto_point1_fan.dev_attr.attr, &sensor_dev_attr_pwm1_auto_point2_temp.dev_attr.attr, &sensor_dev_attr_pwm1_auto_point2_fan.dev_attr.attr, &sensor_dev_attr_pwm1_auto_point3_temp.dev_attr.attr, &sensor_dev_attr_pwm1_auto_point3_fan.dev_attr.attr, &sensor_dev_attr_pwm2_auto_point1_temp.dev_attr.attr, &sensor_dev_attr_pwm2_auto_point1_fan.dev_attr.attr, &sensor_dev_attr_pwm2_auto_point2_temp.dev_attr.attr, &sensor_dev_attr_pwm2_auto_point2_fan.dev_attr.attr, &sensor_dev_attr_pwm2_auto_point3_temp.dev_attr.attr, &sensor_dev_attr_pwm2_auto_point3_fan.dev_attr.attr, &sensor_dev_attr_pwm3_auto_point1_temp.dev_attr.attr, &sensor_dev_attr_pwm3_auto_point1_fan.dev_attr.attr, &sensor_dev_attr_pwm3_auto_point2_temp.dev_attr.attr, &sensor_dev_attr_pwm3_auto_point2_fan.dev_attr.attr, &sensor_dev_attr_pwm3_auto_point3_temp.dev_attr.attr, &sensor_dev_attr_pwm3_auto_point3_fan.dev_attr.attr, &sensor_dev_attr_in0_alarm.dev_attr.attr, &sensor_dev_attr_in1_alarm.dev_attr.attr, &sensor_dev_attr_in2_alarm.dev_attr.attr, &sensor_dev_attr_in3_alarm.dev_attr.attr, &sensor_dev_attr_in5_alarm.dev_attr.attr, &sensor_dev_attr_in6_alarm.dev_attr.attr, &sensor_dev_attr_in7_alarm.dev_attr.attr, &dev_attr_alarms_in.attr, &sensor_dev_attr_temp1_alarm.dev_attr.attr, &sensor_dev_attr_temp2_alarm.dev_attr.attr, &sensor_dev_attr_temp3_alarm.dev_attr.attr, &dev_attr_alarms_temp.attr, &dev_attr_alarms_fan.attr, &dev_attr_name.attr, NULL }; static const struct attribute_group f71805f_group = { .attrs = f71805f_attributes, }; static struct attribute *f71805f_attributes_optin[4][5] = { { &sensor_dev_attr_in4_input.dev_attr.attr, &sensor_dev_attr_in4_max.dev_attr.attr, &sensor_dev_attr_in4_min.dev_attr.attr, &sensor_dev_attr_in4_alarm.dev_attr.attr, NULL }, { &sensor_dev_attr_in8_input.dev_attr.attr, &sensor_dev_attr_in8_max.dev_attr.attr, &sensor_dev_attr_in8_min.dev_attr.attr, &sensor_dev_attr_in8_alarm.dev_attr.attr, NULL }, { &sensor_dev_attr_in9_input.dev_attr.attr, &sensor_dev_attr_in9_max.dev_attr.attr, &sensor_dev_attr_in9_min.dev_attr.attr, &sensor_dev_attr_in9_alarm.dev_attr.attr, NULL }, { &sensor_dev_attr_in10_input.dev_attr.attr, &sensor_dev_attr_in10_max.dev_attr.attr, &sensor_dev_attr_in10_min.dev_attr.attr, &sensor_dev_attr_in10_alarm.dev_attr.attr, NULL } }; static const struct attribute_group f71805f_group_optin[4] = { { .attrs = f71805f_attributes_optin[0] }, { .attrs = f71805f_attributes_optin[1] }, { .attrs = f71805f_attributes_optin[2] }, { .attrs = f71805f_attributes_optin[3] }, }; /* * We don't include pwm_freq files in the arrays above, because they must be * created conditionally (only if pwm_mode is 1 == PWM) */ static struct attribute *f71805f_attributes_pwm_freq[] = { &sensor_dev_attr_pwm1_freq.dev_attr.attr, &sensor_dev_attr_pwm2_freq.dev_attr.attr, &sensor_dev_attr_pwm3_freq.dev_attr.attr, NULL }; static const struct attribute_group f71805f_group_pwm_freq = { .attrs = f71805f_attributes_pwm_freq, }; /* We also need an indexed access to pwmN files to toggle writability */ static struct attribute *f71805f_attr_pwm[] = { &sensor_dev_attr_pwm1.dev_attr.attr, &sensor_dev_attr_pwm2.dev_attr.attr, &sensor_dev_attr_pwm3.dev_attr.attr, }; /* * Device registration and initialization */ static void f71805f_init_device(struct f71805f_data *data) { u8 reg; int i; reg = f71805f_read8(data, F71805F_REG_START); if ((reg & 0x41) != 0x01) { pr_debug("Starting monitoring operations\n"); f71805f_write8(data, F71805F_REG_START, (reg | 0x01) & ~0x40); } /* * Fan monitoring can be disabled. If it is, we won't be polling * the register values, and won't create the related sysfs files. */ for (i = 0; i < 3; i++) { data->fan_ctrl[i] = f71805f_read8(data, F71805F_REG_FAN_CTRL(i)); /* * Clear latch full bit, else "speed mode" fan speed control * doesn't work */ if (data->fan_ctrl[i] & FAN_CTRL_LATCH_FULL) { data->fan_ctrl[i] &= ~FAN_CTRL_LATCH_FULL; f71805f_write8(data, F71805F_REG_FAN_CTRL(i), data->fan_ctrl[i]); } } } static int f71805f_probe(struct platform_device *pdev) { struct f71805f_sio_data *sio_data = dev_get_platdata(&pdev->dev); struct f71805f_data *data; struct resource *res; int i, err; static const char * const names[] = { "f71805f", "f71872f", }; data = devm_kzalloc(&pdev->dev, sizeof(struct f71805f_data), GFP_KERNEL); if (!data) return -ENOMEM; res = platform_get_resource(pdev, IORESOURCE_IO, 0); if (!devm_request_region(&pdev->dev, res->start + ADDR_REG_OFFSET, 2, DRVNAME)) { dev_err(&pdev->dev, "Failed to request region 0x%lx-0x%lx\n", (unsigned long)(res->start + ADDR_REG_OFFSET), (unsigned long)(res->start + ADDR_REG_OFFSET + 1)); return -EBUSY; } data->addr = res->start; data->name = names[sio_data->kind]; mutex_init(&data->update_lock); platform_set_drvdata(pdev, data); /* Some voltage inputs depend on chip model and configuration */ switch (sio_data->kind) { case f71805f: data->has_in = 0x1ff; break; case f71872f: data->has_in = 0x6ef; if (sio_data->fnsel1 & 0x01) data->has_in |= (1 << 4); /* in4 */ if (sio_data->fnsel1 & 0x02) data->has_in |= (1 << 8); /* in8 */ break; } /* Initialize the F71805F chip */ f71805f_init_device(data); /* Register sysfs interface files */ err = sysfs_create_group(&pdev->dev.kobj, &f71805f_group); if (err) return err; if (data->has_in & (1 << 4)) { /* in4 */ err = sysfs_create_group(&pdev->dev.kobj, &f71805f_group_optin[0]); if (err) goto exit_remove_files; } if (data->has_in & (1 << 8)) { /* in8 */ err = sysfs_create_group(&pdev->dev.kobj, &f71805f_group_optin[1]); if (err) goto exit_remove_files; } if (data->has_in & (1 << 9)) { /* in9 (F71872F/FG only) */ err = sysfs_create_group(&pdev->dev.kobj, &f71805f_group_optin[2]); if (err) goto exit_remove_files; } if (data->has_in & (1 << 10)) { /* in9 (F71872F/FG only) */ err = sysfs_create_group(&pdev->dev.kobj, &f71805f_group_optin[3]); if (err) goto exit_remove_files; } for (i = 0; i < 3; i++) { /* If control mode is PWM, create pwm_freq file */ if (!(data->fan_ctrl[i] & FAN_CTRL_DC_MODE)) { err = sysfs_create_file(&pdev->dev.kobj, f71805f_attributes_pwm_freq[i]); if (err) goto exit_remove_files; } /* If PWM is in manual mode, add write permission */ if (data->fan_ctrl[i] & FAN_CTRL_MODE_MANUAL) { err = sysfs_chmod_file(&pdev->dev.kobj, f71805f_attr_pwm[i], S_IRUGO | S_IWUSR); if (err) { dev_err(&pdev->dev, "chmod +w pwm%d failed\n", i + 1); goto exit_remove_files; } } } data->hwmon_dev = hwmon_device_register(&pdev->dev); if (IS_ERR(data->hwmon_dev)) { err = PTR_ERR(data->hwmon_dev); dev_err(&pdev->dev, "Class registration failed (%d)\n", err); goto exit_remove_files; } return 0; exit_remove_files: sysfs_remove_group(&pdev->dev.kobj, &f71805f_group); for (i = 0; i < 4; i++) sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_optin[i]); sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_pwm_freq); return err; } static int f71805f_remove(struct platform_device *pdev) { struct f71805f_data *data = platform_get_drvdata(pdev); int i; hwmon_device_unregister(data->hwmon_dev); sysfs_remove_group(&pdev->dev.kobj, &f71805f_group); for (i = 0; i < 4; i++) sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_optin[i]); sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_pwm_freq); return 0; } static struct platform_driver f71805f_driver = { .driver = { .name = DRVNAME, }, .probe = f71805f_probe, .remove = f71805f_remove, }; static int __init f71805f_device_add(unsigned short address, const struct f71805f_sio_data *sio_data) { struct resource res = { .start = address, .end = address + REGION_LENGTH - 1, .flags = IORESOURCE_IO, }; int err; pdev = platform_device_alloc(DRVNAME, address); if (!pdev) { err = -ENOMEM; pr_err("Device allocation failed\n"); goto exit; } res.name = pdev->name; err = acpi_check_resource_conflict(&res); if (err) goto exit_device_put; err = platform_device_add_resources(pdev, &res, 1); if (err) { pr_err("Device resource addition failed (%d)\n", err); goto exit_device_put; } err = platform_device_add_data(pdev, sio_data, sizeof(struct f71805f_sio_data)); if (err) { pr_err("Platform data allocation failed\n"); goto exit_device_put; } err = platform_device_add(pdev); if (err) { pr_err("Device addition failed (%d)\n", err); goto exit_device_put; } return 0; exit_device_put: platform_device_put(pdev); exit: return err; } static int __init f71805f_find(int sioaddr, unsigned short *address, struct f71805f_sio_data *sio_data) { int err; u16 devid; static const char * const names[] = { "F71805F/FG", "F71872F/FG or F71806F/FG", }; err = superio_enter(sioaddr); if (err) return err; err = -ENODEV; devid = superio_inw(sioaddr, SIO_REG_MANID); if (devid != SIO_FINTEK_ID) goto exit; devid = force_id ? force_id : superio_inw(sioaddr, SIO_REG_DEVID); switch (devid) { case SIO_F71805F_ID: sio_data->kind = f71805f; break; case SIO_F71872F_ID: sio_data->kind = f71872f; sio_data->fnsel1 = superio_inb(sioaddr, SIO_REG_FNSEL1); break; default: pr_info("Unsupported Fintek device, skipping\n"); goto exit; } superio_select(sioaddr, F71805F_LD_HWM); if (!(superio_inb(sioaddr, SIO_REG_ENABLE) & 0x01)) { pr_warn("Device not activated, skipping\n"); goto exit; } *address = superio_inw(sioaddr, SIO_REG_ADDR); if (*address == 0) { pr_warn("Base address not set, skipping\n"); goto exit; } *address &= ~(REGION_LENGTH - 1); /* Ignore 3 LSB */ err = 0; pr_info("Found %s chip at %#x, revision %u\n", names[sio_data->kind], *address, superio_inb(sioaddr, SIO_REG_DEVREV)); exit: superio_exit(sioaddr); return err; } static int __init f71805f_init(void) { int err; unsigned short address; struct f71805f_sio_data sio_data; if (f71805f_find(0x2e, &address, &sio_data) && f71805f_find(0x4e, &address, &sio_data)) return -ENODEV; err = platform_driver_register(&f71805f_driver); if (err) goto exit; /* Sets global pdev as a side effect */ err = f71805f_device_add(address, &sio_data); if (err) goto exit_driver; return 0; exit_driver: platform_driver_unregister(&f71805f_driver); exit: return err; } static void __exit f71805f_exit(void) { platform_device_unregister(pdev); platform_driver_unregister(&f71805f_driver); } MODULE_AUTHOR("Jean Delvare <jdelvare@suse.de>"); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("F71805F/F71872F hardware monitoring driver"); module_init(f71805f_init); module_exit(f71805f_exit);
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