| /* |
| * f71805f.c - driver for the Fintek F71805F/FG Super-I/O chip integrated |
| * hardware monitoring features |
| * Copyright (C) 2005-2006 Jean Delvare <khali@linux-fr.org> |
| * |
| * 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. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| */ |
| |
| #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 <asm/io.h> |
| |
| static struct platform_device *pdev; |
| |
| #define DRVNAME "f71805f" |
| |
| /* |
| * 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_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 |
| |
| 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 void |
| superio_enter(int base) |
| { |
| outb(0x87, base); |
| outb(0x87, base); |
| } |
| |
| static inline void |
| superio_exit(int base) |
| { |
| outb(0xaa, base); |
| } |
| |
| /* |
| * ISA constants |
| */ |
| |
| #define REGION_LENGTH 2 |
| #define ADDR_REG_OFFSET 0 |
| #define DATA_REG_OFFSET 1 |
| |
| /* |
| * Registers |
| */ |
| |
| /* in nr from 0 to 8 (8-bit values) */ |
| #define F71805F_REG_IN(nr) (0x10 + (nr)) |
| #define F71805F_REG_IN_HIGH(nr) (0x40 + 2 * (nr)) |
| #define F71805F_REG_IN_LOW(nr) (0x41 + 2 * (nr)) |
| /* 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_CTRL(nr) (0x60 + 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 |
| |
| #define F71805F_REG_START 0x00 |
| /* status nr from 0 to 2 */ |
| #define F71805F_REG_STATUS(nr) (0x36 + (nr)) |
| |
| /* individual register bits */ |
| #define FAN_CTRL_SKIP 0x80 |
| |
| /* |
| * Data structures and manipulation thereof |
| */ |
| |
| struct f71805f_data { |
| unsigned short addr; |
| const char *name; |
| struct mutex lock; |
| struct class_device *class_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[9]; |
| u8 in_high[9]; |
| u8 in_low[9]; |
| u16 fan[3]; |
| u16 fan_low[3]; |
| u8 fan_ctrl[3]; |
| u8 temp[3]; |
| u8 temp_high[3]; |
| u8 temp_hyst[3]; |
| u8 temp_mode; |
| unsigned long alarms; |
| }; |
| |
| 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 long temp_from_reg(u8 reg) |
| { |
| return (reg * 1000); |
| } |
| |
| static inline u8 temp_to_reg(long val) |
| { |
| if (val < 0) |
| val = 0; |
| else if (val > 1000 * 0xff) |
| val = 0xff; |
| return ((val + 500) / 1000); |
| } |
| |
| /* |
| * Device I/O access |
| */ |
| |
| static u8 f71805f_read8(struct f71805f_data *data, u8 reg) |
| { |
| u8 val; |
| |
| mutex_lock(&data->lock); |
| outb(reg, data->addr + ADDR_REG_OFFSET); |
| val = inb(data->addr + DATA_REG_OFFSET); |
| mutex_unlock(&data->lock); |
| |
| return val; |
| } |
| |
| static void f71805f_write8(struct f71805f_data *data, u8 reg, u8 val) |
| { |
| mutex_lock(&data->lock); |
| outb(reg, data->addr + ADDR_REG_OFFSET); |
| outb(val, data->addr + DATA_REG_OFFSET); |
| mutex_unlock(&data->lock); |
| } |
| |
| /* 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. */ |
| static u16 f71805f_read16(struct f71805f_data *data, u8 reg) |
| { |
| u16 val; |
| |
| mutex_lock(&data->lock); |
| 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); |
| mutex_unlock(&data->lock); |
| |
| return val; |
| } |
| |
| static void f71805f_write16(struct f71805f_data *data, u8 reg, u16 val) |
| { |
| mutex_lock(&data->lock); |
| 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); |
| mutex_unlock(&data->lock); |
| } |
| |
| static struct f71805f_data *f71805f_update_device(struct device *dev) |
| { |
| struct f71805f_data *data = dev_get_drvdata(dev); |
| int nr; |
| |
| 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 < 9; nr++) { |
| 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++) { |
| if (data->fan_ctrl[nr] & FAN_CTRL_SKIP) |
| continue; |
| data->fan_low[nr] = f71805f_read16(data, |
| F71805F_REG_FAN_LOW(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); |
| |
| 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 < 9; nr++) { |
| data->in[nr] = f71805f_read8(data, |
| F71805F_REG_IN(nr)); |
| } |
| for (nr = 0; nr < 3; nr++) { |
| if (data->fan_ctrl[nr] & FAN_CTRL_SKIP) |
| continue; |
| data->fan[nr] = f71805f_read16(data, |
| F71805F_REG_FAN(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); |
| |
| return sprintf(buf, "%ld\n", in0_from_reg(data->in[0])); |
| } |
| |
| static ssize_t show_in0_max(struct device *dev, struct device_attribute |
| *devattr, char *buf) |
| { |
| struct f71805f_data *data = f71805f_update_device(dev); |
| |
| return sprintf(buf, "%ld\n", in0_from_reg(data->in_high[0])); |
| } |
| |
| static ssize_t show_in0_min(struct device *dev, struct device_attribute |
| *devattr, char *buf) |
| { |
| struct f71805f_data *data = f71805f_update_device(dev); |
| |
| return sprintf(buf, "%ld\n", in0_from_reg(data->in_low[0])); |
| } |
| |
| 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); |
| long val = simple_strtol(buf, NULL, 10); |
| |
| mutex_lock(&data->update_lock); |
| data->in_high[0] = in0_to_reg(val); |
| f71805f_write8(data, F71805F_REG_IN_HIGH(0), data->in_high[0]); |
| 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); |
| long val = simple_strtol(buf, NULL, 10); |
| |
| mutex_lock(&data->update_lock); |
| data->in_low[0] = in0_to_reg(val); |
| f71805f_write8(data, F71805F_REG_IN_LOW(0), data->in_low[0]); |
| 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 = simple_strtol(buf, NULL, 10); |
| |
| 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 = simple_strtol(buf, NULL, 10); |
| |
| 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 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 = simple_strtol(buf, NULL, 10); |
| |
| 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 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 = simple_strtol(buf, NULL, 10); |
| |
| 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 = simple_strtol(buf, NULL, 10); |
| |
| 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 show_alarms_in(struct device *dev, struct device_attribute |
| *devattr, char *buf) |
| { |
| struct f71805f_data *data = f71805f_update_device(dev); |
| |
| return sprintf(buf, "%lu\n", data->alarms & 0x1ff); |
| } |
| |
| static ssize_t show_alarms_fan(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 show_alarms_temp(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 show_name(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 DEVICE_ATTR(in0_input, S_IRUGO, show_in0, NULL); |
| static DEVICE_ATTR(in0_max, S_IRUGO| S_IWUSR, show_in0_max, set_in0_max); |
| static DEVICE_ATTR(in0_min, S_IRUGO| S_IWUSR, show_in0_min, set_in0_min); |
| 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(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(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(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(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); |
| |
| 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(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(alarms_in, S_IRUGO, show_alarms_in, NULL); |
| static DEVICE_ATTR(alarms_fan, S_IRUGO, show_alarms_fan, NULL); |
| static DEVICE_ATTR(alarms_temp, S_IRUGO, show_alarms_temp, NULL); |
| |
| static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); |
| |
| static struct attribute *f71805f_attributes[] = { |
| &dev_attr_in0_input.attr, |
| &dev_attr_in0_max.attr, |
| &dev_attr_in0_min.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_in4_input.dev_attr.attr, |
| &sensor_dev_attr_in4_max.dev_attr.attr, |
| &sensor_dev_attr_in4_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_in8_input.dev_attr.attr, |
| &sensor_dev_attr_in8_max.dev_attr.attr, |
| &sensor_dev_attr_in8_min.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_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_in4_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, |
| &sensor_dev_attr_in8_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_fan[3][4] = { |
| { |
| &sensor_dev_attr_fan1_input.dev_attr.attr, |
| &sensor_dev_attr_fan1_min.dev_attr.attr, |
| &sensor_dev_attr_fan1_alarm.dev_attr.attr, |
| NULL |
| }, { |
| &sensor_dev_attr_fan2_input.dev_attr.attr, |
| &sensor_dev_attr_fan2_min.dev_attr.attr, |
| &sensor_dev_attr_fan2_alarm.dev_attr.attr, |
| NULL |
| }, { |
| &sensor_dev_attr_fan3_input.dev_attr.attr, |
| &sensor_dev_attr_fan3_min.dev_attr.attr, |
| &sensor_dev_attr_fan3_alarm.dev_attr.attr, |
| NULL |
| } |
| }; |
| |
| static const struct attribute_group f71805f_group_fan[3] = { |
| { .attrs = f71805f_attributes_fan[0] }, |
| { .attrs = f71805f_attributes_fan[1] }, |
| { .attrs = f71805f_attributes_fan[2] }, |
| }; |
| |
| /* |
| * Device registration and initialization |
| */ |
| |
| static void __devinit f71805f_init_device(struct f71805f_data *data) |
| { |
| u8 reg; |
| int i; |
| |
| reg = f71805f_read8(data, F71805F_REG_START); |
| if ((reg & 0x41) != 0x01) { |
| printk(KERN_DEBUG DRVNAME ": 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)); |
| } |
| } |
| |
| static int __devinit f71805f_probe(struct platform_device *pdev) |
| { |
| struct f71805f_data *data; |
| struct resource *res; |
| int i, err; |
| |
| if (!(data = kzalloc(sizeof(struct f71805f_data), GFP_KERNEL))) { |
| err = -ENOMEM; |
| printk(KERN_ERR DRVNAME ": Out of memory\n"); |
| goto exit; |
| } |
| |
| res = platform_get_resource(pdev, IORESOURCE_IO, 0); |
| data->addr = res->start; |
| mutex_init(&data->lock); |
| data->name = "f71805f"; |
| mutex_init(&data->update_lock); |
| |
| platform_set_drvdata(pdev, data); |
| |
| /* Initialize the F71805F chip */ |
| f71805f_init_device(data); |
| |
| /* Register sysfs interface files */ |
| if ((err = sysfs_create_group(&pdev->dev.kobj, &f71805f_group))) |
| goto exit_free; |
| for (i = 0; i < 3; i++) { |
| if (data->fan_ctrl[i] & FAN_CTRL_SKIP) |
| continue; |
| if ((err = sysfs_create_group(&pdev->dev.kobj, |
| &f71805f_group_fan[i]))) |
| goto exit_remove_files; |
| } |
| |
| data->class_dev = hwmon_device_register(&pdev->dev); |
| if (IS_ERR(data->class_dev)) { |
| err = PTR_ERR(data->class_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 < 3; i++) |
| sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_fan[i]); |
| exit_free: |
| platform_set_drvdata(pdev, NULL); |
| kfree(data); |
| exit: |
| return err; |
| } |
| |
| static int __devexit f71805f_remove(struct platform_device *pdev) |
| { |
| struct f71805f_data *data = platform_get_drvdata(pdev); |
| int i; |
| |
| platform_set_drvdata(pdev, NULL); |
| hwmon_device_unregister(data->class_dev); |
| sysfs_remove_group(&pdev->dev.kobj, &f71805f_group); |
| for (i = 0; i < 3; i++) |
| sysfs_remove_group(&pdev->dev.kobj, &f71805f_group_fan[i]); |
| kfree(data); |
| |
| return 0; |
| } |
| |
| static struct platform_driver f71805f_driver = { |
| .driver = { |
| .owner = THIS_MODULE, |
| .name = DRVNAME, |
| }, |
| .probe = f71805f_probe, |
| .remove = __devexit_p(f71805f_remove), |
| }; |
| |
| static int __init f71805f_device_add(unsigned short address) |
| { |
| 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; |
| printk(KERN_ERR DRVNAME ": Device allocation failed\n"); |
| goto exit; |
| } |
| |
| res.name = pdev->name; |
| err = platform_device_add_resources(pdev, &res, 1); |
| if (err) { |
| printk(KERN_ERR DRVNAME ": Device resource addition failed " |
| "(%d)\n", err); |
| goto exit_device_put; |
| } |
| |
| err = platform_device_add(pdev); |
| if (err) { |
| printk(KERN_ERR DRVNAME ": 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) |
| { |
| int err = -ENODEV; |
| u16 devid; |
| |
| superio_enter(sioaddr); |
| |
| devid = superio_inw(sioaddr, SIO_REG_MANID); |
| if (devid != SIO_FINTEK_ID) |
| goto exit; |
| |
| devid = superio_inw(sioaddr, SIO_REG_DEVID); |
| if (devid != SIO_F71805F_ID) { |
| printk(KERN_INFO DRVNAME ": Unsupported Fintek device, " |
| "skipping\n"); |
| goto exit; |
| } |
| |
| superio_select(sioaddr, F71805F_LD_HWM); |
| if (!(superio_inb(sioaddr, SIO_REG_ENABLE) & 0x01)) { |
| printk(KERN_WARNING DRVNAME ": Device not activated, " |
| "skipping\n"); |
| goto exit; |
| } |
| |
| *address = superio_inw(sioaddr, SIO_REG_ADDR); |
| if (*address == 0) { |
| printk(KERN_WARNING DRVNAME ": Base address not set, " |
| "skipping\n"); |
| goto exit; |
| } |
| |
| err = 0; |
| printk(KERN_INFO DRVNAME ": Found F71805F chip at %#x, revision %u\n", |
| *address, superio_inb(sioaddr, SIO_REG_DEVREV)); |
| |
| exit: |
| superio_exit(sioaddr); |
| return err; |
| } |
| |
| static int __init f71805f_init(void) |
| { |
| int err; |
| unsigned short address; |
| |
| if (f71805f_find(0x2e, &address) |
| && f71805f_find(0x4e, &address)) |
| return -ENODEV; |
| |
| err = platform_driver_register(&f71805f_driver); |
| if (err) |
| goto exit; |
| |
| /* Sets global pdev as a side effect */ |
| err = f71805f_device_add(address); |
| 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 <khali@linux-fr>"); |
| MODULE_LICENSE("GPL"); |
| MODULE_DESCRIPTION("F71805F hardware monitoring driver"); |
| |
| module_init(f71805f_init); |
| module_exit(f71805f_exit); |