--- /dev/null
+/***************************************************************************
+ * Copyright (C) 2006 by Hans Edgington <hans@edgington.nl> *
+ * Copyright (C) 2007 by Hans de Goede <j.w.r.degoede@hhs.nl> *
+ * *
+ * 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., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 <asm/io.h>
+
+#define DRVNAME "f71882fg"
+
+#define SIO_F71882FG_LD_HWM 0x04 /* Hardware monitor logical device*/
+#define SIO_UNLOCK_KEY 0x87 /* Key to enable Super-I/O */
+#define SIO_LOCK_KEY 0xAA /* Key to diasble Super-I/O */
+
+#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 /* Manufacturers ID */
+#define SIO_F71882_ID 0x0541 /* Chipset ID */
+
+#define REGION_LENGTH 8
+#define ADDR_REG_OFFSET 5
+#define DATA_REG_OFFSET 6
+
+#define F71882FG_REG_PECI 0x0A
+
+#define F71882FG_REG_IN_STATUS 0x12
+#define F71882FG_REG_IN_BEEP 0x13
+#define F71882FG_REG_IN(nr) (0x20 + (nr))
+#define F71882FG_REG_IN1_HIGH 0x32
+
+#define F71882FG_REG_FAN(nr) (0xA0 + (16 * (nr)))
+#define F71882FG_REG_FAN_STATUS 0x92
+#define F71882FG_REG_FAN_BEEP 0x93
+
+#define F71882FG_REG_TEMP(nr) (0x72 + 2 * (nr))
+#define F71882FG_REG_TEMP_OVT(nr) (0x82 + 2 * (nr))
+#define F71882FG_REG_TEMP_HIGH(nr) (0x83 + 2 * (nr))
+#define F71882FG_REG_TEMP_STATUS 0x62
+#define F71882FG_REG_TEMP_BEEP 0x63
+#define F71882FG_REG_TEMP_HYST1 0x6C
+#define F71882FG_REG_TEMP_HYST23 0x6D
+#define F71882FG_REG_TEMP_TYPE 0x6B
+#define F71882FG_REG_TEMP_DIODE_OPEN 0x6F
+
+#define F71882FG_REG_START 0x01
+
+#define FAN_MIN_DETECT 366 /* Lowest detectable fanspeed */
+
+static struct platform_device *f71882fg_pdev = NULL;
+
+/* Super-I/O Function prototypes */
+static inline int superio_inb(int base, int reg);
+static inline int superio_inw(int base, int reg);
+static inline void superio_enter(int base);
+static inline void superio_select(int base, int ld);
+static inline void superio_exit(int base);
+
+static inline u16 fan_from_reg ( u16 reg );
+
+struct f71882fg_data {
+ unsigned short addr;
+ 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 in1_max;
+ u8 in_status;
+ u8 in_beep;
+ u16 fan[4];
+ u8 fan_status;
+ u8 fan_beep;
+ u8 temp[3];
+ u8 temp_ovt[3];
+ u8 temp_high[3];
+ u8 temp_hyst[3];
+ u8 temp_type[3];
+ u8 temp_status;
+ u8 temp_beep;
+ u8 temp_diode_open;
+};
+
+static u8 f71882fg_read8(struct f71882fg_data *data, u8 reg);
+static u16 f71882fg_read16(struct f71882fg_data *data, u8 reg);
+static void f71882fg_write8(struct f71882fg_data *data, u8 reg, u8 val);
+
+/* Sysfs in*/
+static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
+ char *buf);
+static ssize_t show_in_max(struct device *dev, struct device_attribute
+ *devattr, char *buf);
+static ssize_t store_in_max(struct device *dev, struct device_attribute
+ *devattr, const char *buf, size_t count);
+static ssize_t show_in_beep(struct device *dev, struct device_attribute
+ *devattr, char *buf);
+static ssize_t store_in_beep(struct device *dev, struct device_attribute
+ *devattr, const char *buf, size_t count);
+static ssize_t show_in_alarm(struct device *dev, struct device_attribute
+ *devattr, char *buf);
+/* Sysfs Fan */
+static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
+ char *buf);
+static ssize_t show_fan_beep(struct device *dev, struct device_attribute
+ *devattr, char *buf);
+static ssize_t store_fan_beep(struct device *dev, struct device_attribute
+ *devattr, const char *buf, size_t count);
+static ssize_t show_fan_alarm(struct device *dev, struct device_attribute
+ *devattr, char *buf);
+/* Sysfs Temp */
+static ssize_t show_temp(struct device *dev, struct device_attribute
+ *devattr, char *buf);
+static ssize_t show_temp_max(struct device *dev, struct device_attribute
+ *devattr, char *buf);
+static ssize_t store_temp_max(struct device *dev, struct device_attribute
+ *devattr, const char *buf, size_t count);
+static ssize_t show_temp_max_hyst(struct device *dev, struct device_attribute
+ *devattr, char *buf);
+static ssize_t store_temp_max_hyst(struct device *dev, struct device_attribute
+ *devattr, const char *buf, size_t count);
+static ssize_t show_temp_crit(struct device *dev, struct device_attribute
+ *devattr, char *buf);
+static ssize_t store_temp_crit(struct device *dev, struct device_attribute
+ *devattr, const char *buf, size_t count);
+static ssize_t show_temp_crit_hyst(struct device *dev, struct device_attribute
+ *devattr, char *buf);
+static ssize_t show_temp_type(struct device *dev, struct device_attribute
+ *devattr, char *buf);
+static ssize_t show_temp_beep(struct device *dev, struct device_attribute
+ *devattr, char *buf);
+static ssize_t store_temp_beep(struct device *dev, struct device_attribute
+ *devattr, const char *buf, size_t count);
+static ssize_t show_temp_alarm(struct device *dev, struct device_attribute
+ *devattr, char *buf);
+static ssize_t show_temp_fault(struct device *dev, struct device_attribute
+ *devattr, char *buf);
+/* Sysfs misc */
+static ssize_t show_name(struct device *dev, struct device_attribute *devattr,
+ char *buf);
+
+static int __devinit f71882fg_probe(struct platform_device * pdev);
+static int __devexit f71882fg_remove(struct platform_device *pdev);
+static int __init f71882fg_init(void);
+static int __init f71882fg_find(int sioaddr, unsigned short *address);
+static int __init f71882fg_device_add(unsigned short address);
+static void __exit f71882fg_exit(void);
+
+static struct platform_driver f71882fg_driver = {
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = DRVNAME,
+ },
+ .probe = f71882fg_probe,
+ .remove = __devexit_p(f71882fg_remove),
+};
+
+static struct device_attribute f71882fg_dev_attr[] =
+{
+ __ATTR( name, S_IRUGO, show_name, NULL ),
+};
+
+static struct sensor_device_attribute f71882fg_in_temp_attr[] =
+{
+ SENSOR_ATTR(in0_input, S_IRUGO, show_in, NULL, 0),
+ SENSOR_ATTR(in1_input, S_IRUGO, show_in, NULL, 1),
+ SENSOR_ATTR(in1_max, S_IRUGO|S_IWUSR, show_in_max, store_in_max, 1),
+ SENSOR_ATTR(in1_beep, S_IRUGO|S_IWUSR, show_in_beep, store_in_beep, 1),
+ SENSOR_ATTR(in1_alarm, S_IRUGO, show_in_alarm, NULL, 1),
+ SENSOR_ATTR(in2_input, S_IRUGO, show_in, NULL, 2),
+ SENSOR_ATTR(in3_input, S_IRUGO, show_in, NULL, 3),
+ SENSOR_ATTR(in4_input, S_IRUGO, show_in, NULL, 4),
+ SENSOR_ATTR(in5_input, S_IRUGO, show_in, NULL, 5),
+ SENSOR_ATTR(in6_input, S_IRUGO, show_in, NULL, 6),
+ SENSOR_ATTR(in7_input, S_IRUGO, show_in, NULL, 7),
+ SENSOR_ATTR(in8_input, S_IRUGO, show_in, NULL, 8),
+ SENSOR_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0),
+ SENSOR_ATTR(temp1_max, S_IRUGO|S_IWUSR, show_temp_max,
+ store_temp_max, 0),
+ SENSOR_ATTR(temp1_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
+ store_temp_max_hyst, 0),
+ SENSOR_ATTR(temp1_crit, S_IRUGO|S_IWUSR, show_temp_crit,
+ store_temp_crit, 0),
+ SENSOR_ATTR(temp1_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL, 0),
+ SENSOR_ATTR(temp1_type, S_IRUGO, show_temp_type, NULL, 0),
+ SENSOR_ATTR(temp1_beep, S_IRUGO|S_IWUSR, show_temp_beep,
+ store_temp_beep, 0),
+ SENSOR_ATTR(temp1_alarm, S_IRUGO, show_temp_alarm, NULL, 0),
+ SENSOR_ATTR(temp1_fault, S_IRUGO, show_temp_fault, NULL, 0),
+ SENSOR_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1),
+ SENSOR_ATTR(temp2_max, S_IRUGO|S_IWUSR, show_temp_max,
+ store_temp_max, 1),
+ SENSOR_ATTR(temp2_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
+ store_temp_max_hyst, 1),
+ SENSOR_ATTR(temp2_crit, S_IRUGO|S_IWUSR, show_temp_crit,
+ store_temp_crit, 1),
+ SENSOR_ATTR(temp2_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL, 1),
+ SENSOR_ATTR(temp2_type, S_IRUGO, show_temp_type, NULL, 1),
+ SENSOR_ATTR(temp2_beep, S_IRUGO|S_IWUSR, show_temp_beep,
+ store_temp_beep, 1),
+ SENSOR_ATTR(temp2_alarm, S_IRUGO, show_temp_alarm, NULL, 1),
+ SENSOR_ATTR(temp2_fault, S_IRUGO, show_temp_fault, NULL, 1),
+ SENSOR_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2),
+ SENSOR_ATTR(temp3_max, S_IRUGO|S_IWUSR, show_temp_max,
+ store_temp_max, 2),
+ SENSOR_ATTR(temp3_max_hyst, S_IRUGO|S_IWUSR, show_temp_max_hyst,
+ store_temp_max_hyst, 2),
+ SENSOR_ATTR(temp3_crit, S_IRUGO|S_IWUSR, show_temp_crit,
+ store_temp_crit, 2),
+ SENSOR_ATTR(temp3_crit_hyst, S_IRUGO, show_temp_crit_hyst, NULL, 2),
+ SENSOR_ATTR(temp3_type, S_IRUGO, show_temp_type, NULL, 2),
+ SENSOR_ATTR(temp3_beep, S_IRUGO|S_IWUSR, show_temp_beep,
+ store_temp_beep, 2),
+ SENSOR_ATTR(temp3_alarm, S_IRUGO, show_temp_alarm, NULL, 2),
+ SENSOR_ATTR(temp3_fault, S_IRUGO, show_temp_fault, NULL, 2)
+};
+
+static struct sensor_device_attribute f71882fg_fan_attr[] =
+{
+ SENSOR_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0),
+ SENSOR_ATTR(fan1_beep, S_IRUGO|S_IWUSR, show_fan_beep,
+ store_fan_beep, 0),
+ SENSOR_ATTR(fan1_alarm, S_IRUGO, show_fan_alarm, NULL, 0),
+ SENSOR_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1),
+ SENSOR_ATTR(fan2_beep, S_IRUGO|S_IWUSR, show_fan_beep,
+ store_fan_beep, 1),
+ SENSOR_ATTR(fan2_alarm, S_IRUGO, show_fan_alarm, NULL, 1),
+ SENSOR_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2),
+ SENSOR_ATTR(fan3_beep, S_IRUGO|S_IWUSR, show_fan_beep,
+ store_fan_beep, 2),
+ SENSOR_ATTR(fan3_alarm, S_IRUGO, show_fan_alarm, NULL, 2),
+ SENSOR_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3),
+ SENSOR_ATTR(fan4_beep, S_IRUGO|S_IWUSR, show_fan_beep,
+ store_fan_beep, 3),
+ SENSOR_ATTR(fan4_alarm, S_IRUGO, show_fan_alarm, NULL, 3)
+};
+
+
+/* Super I/O functions */
+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_enter(int base)
+{
+ /* according to the datasheet the key must be send twice! */
+ outb( SIO_UNLOCK_KEY, base);
+ outb( SIO_UNLOCK_KEY, base);
+}
+
+static inline void superio_select( int base, int ld)
+{
+ outb(SIO_REG_LDSEL, base);
+ outb(ld, base + 1);
+}
+
+static inline void superio_exit(int base)
+{
+ outb(SIO_LOCK_KEY, base);
+}
+
+static inline u16 fan_from_reg(u16 reg)
+{
+ return reg ? (1500000 / reg) : 0;
+}
+
+static u8 f71882fg_read8(struct f71882fg_data *data, u8 reg)
+{
+ u8 val;
+
+ outb(reg, data->addr + ADDR_REG_OFFSET);
+ val = inb(data->addr + DATA_REG_OFFSET);
+
+ return val;
+}
+
+static u16 f71882fg_read16(struct f71882fg_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;
+}
+
+static void f71882fg_write8(struct f71882fg_data *data, u8 reg, u8 val)
+{
+ outb(reg, data->addr + ADDR_REG_OFFSET);
+ outb(val, data->addr + DATA_REG_OFFSET);
+}
+
+static struct f71882fg_data *f71882fg_update_device(struct device * dev)
+{
+ struct f71882fg_data *data = dev_get_drvdata(dev);
+ int nr, reg, reg2;
+
+ mutex_lock(&data->update_lock);
+
+ /* Update once every 60 seconds */
+ if ( time_after(jiffies, data->last_limits + 60 * HZ ) ||
+ !data->valid) {
+ data->in1_max = f71882fg_read8(data, F71882FG_REG_IN1_HIGH);
+ data->in_beep = f71882fg_read8(data, F71882FG_REG_IN_BEEP);
+
+ /* Get High & boundary temps*/
+ for (nr = 0; nr < 3; nr++) {
+ data->temp_ovt[nr] = f71882fg_read8(data,
+ F71882FG_REG_TEMP_OVT(nr));
+ data->temp_high[nr] = f71882fg_read8(data,
+ F71882FG_REG_TEMP_HIGH(nr));
+ }
+
+ /* Have to hardcode hyst*/
+ data->temp_hyst[0] = f71882fg_read8(data,
+ F71882FG_REG_TEMP_HYST1) >> 4;
+ /* Hyst temps 2 & 3 stored in same register */
+ reg = f71882fg_read8(data, F71882FG_REG_TEMP_HYST23);
+ data->temp_hyst[1] = reg & 0x0F;
+ data->temp_hyst[2] = reg >> 4;
+
+ /* Have to hardcode type, because temp1 is special */
+ reg = f71882fg_read8(data, F71882FG_REG_TEMP_TYPE);
+ reg2 = f71882fg_read8(data, F71882FG_REG_PECI);
+ if ((reg2 & 0x03) == 0x01)
+ data->temp_type[0] = 6 /* PECI */;
+ else if ((reg2 & 0x03) == 0x02)
+ data->temp_type[0] = 5 /* AMDSI */;
+ else
+ data->temp_type[0] = (reg & 0x02) ? 2 : 4;
+
+ data->temp_type[1] = (reg & 0x04) ? 2 : 4;
+ data->temp_type[2] = (reg & 0x08) ? 2 : 4;
+
+ data->temp_beep = f71882fg_read8(data, F71882FG_REG_TEMP_BEEP);
+
+ data->fan_beep = f71882fg_read8(data, F71882FG_REG_FAN_BEEP);
+
+ data->last_limits = jiffies;
+ }
+
+ /* Update every second */
+ if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
+ data->temp_status = f71882fg_read8(data,
+ F71882FG_REG_TEMP_STATUS);
+ data->temp_diode_open = f71882fg_read8(data,
+ F71882FG_REG_TEMP_DIODE_OPEN);
+ for (nr = 0; nr < 3; nr++)
+ data->temp[nr] = f71882fg_read8(data,
+ F71882FG_REG_TEMP(nr));
+
+ data->fan_status = f71882fg_read8(data,
+ F71882FG_REG_FAN_STATUS);
+ for (nr = 0; nr < 4; nr++)
+ data->fan[nr] = f71882fg_read16(data,
+ F71882FG_REG_FAN(nr));
+
+ data->in_status = f71882fg_read8(data,
+ F71882FG_REG_IN_STATUS);
+ for (nr = 0; nr < 9; nr++)
+ data->in[nr] = f71882fg_read8(data,
+ F71882FG_REG_IN(nr));
+
+ data->last_updated = jiffies;
+ data->valid = 1;
+ }
+
+ mutex_unlock(&data->update_lock);
+
+ return data;
+}
+
+/* Sysfs Interface */
+static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
+ char *buf)
+{
+ struct f71882fg_data *data = f71882fg_update_device(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+ int speed = fan_from_reg(data->fan[nr]);
+
+ if (speed == FAN_MIN_DETECT)
+ speed = 0;
+
+ return sprintf(buf, "%d\n", speed);
+}
+
+static ssize_t show_fan_beep(struct device *dev, struct device_attribute
+ *devattr, char *buf)
+{
+ struct f71882fg_data *data = f71882fg_update_device(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+
+ if (data->fan_beep & (1 << nr))
+ return sprintf(buf, "1\n");
+ else
+ return sprintf(buf, "0\n");
+}
+
+static ssize_t store_fan_beep(struct device *dev, struct device_attribute
+ *devattr, const char *buf, size_t count)
+{
+ struct f71882fg_data *data = dev_get_drvdata(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+ int val = simple_strtoul(buf, NULL, 10);
+
+ mutex_lock(&data->update_lock);
+ if (val)
+ data->fan_beep |= 1 << nr;
+ else
+ data->fan_beep &= ~(1 << nr);
+
+ f71882fg_write8(data, F71882FG_REG_FAN_BEEP, data->fan_beep);
+ mutex_unlock(&data->update_lock);
+
+ return count;
+}
+
+static ssize_t show_fan_alarm(struct device *dev, struct device_attribute
+ *devattr, char *buf)
+{
+ struct f71882fg_data *data = f71882fg_update_device(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+
+ if (data->fan_status & (1 << nr))
+ return sprintf(buf, "1\n");
+ else
+ return sprintf(buf, "0\n");
+}
+
+static ssize_t show_in(struct device *dev, struct device_attribute *devattr,
+ char *buf)
+{
+ struct f71882fg_data *data = f71882fg_update_device(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+
+ return sprintf(buf, "%d\n", data->in[nr] * 8);
+}
+
+static ssize_t show_in_max(struct device *dev, struct device_attribute
+ *devattr, char *buf)
+{
+ struct f71882fg_data *data = f71882fg_update_device(dev);
+
+ return sprintf(buf, "%d\n", data->in1_max * 8);
+}
+
+static ssize_t store_in_max(struct device *dev, struct device_attribute
+ *devattr, const char *buf, size_t count)
+{
+ struct f71882fg_data *data = dev_get_drvdata(dev);
+ int val = simple_strtoul(buf, NULL, 10) / 8;
+
+ if (val > 255)
+ val = 255;
+
+ mutex_lock(&data->update_lock);
+ f71882fg_write8(data, F71882FG_REG_IN1_HIGH, val);
+ data->in1_max = val;
+ mutex_unlock(&data->update_lock);
+
+ return count;
+}
+
+static ssize_t show_in_beep(struct device *dev, struct device_attribute
+ *devattr, char *buf)
+{
+ struct f71882fg_data *data = f71882fg_update_device(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+
+ if (data->in_beep & (1 << nr))
+ return sprintf(buf, "1\n");
+ else
+ return sprintf(buf, "0\n");
+}
+
+static ssize_t store_in_beep(struct device *dev, struct device_attribute
+ *devattr, const char *buf, size_t count)
+{
+ struct f71882fg_data *data = dev_get_drvdata(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+ int val = simple_strtoul(buf, NULL, 10);
+
+ mutex_lock(&data->update_lock);
+ if (val)
+ data->in_beep |= 1 << nr;
+ else
+ data->in_beep &= ~(1 << nr);
+
+ f71882fg_write8(data, F71882FG_REG_IN_BEEP, data->in_beep);
+ mutex_unlock(&data->update_lock);
+
+ return count;
+}
+
+static ssize_t show_in_alarm(struct device *dev, struct device_attribute
+ *devattr, char *buf)
+{
+ struct f71882fg_data *data = f71882fg_update_device(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+
+ if (data->in_status & (1 << nr))
+ return sprintf(buf, "1\n");
+ else
+ return sprintf(buf, "0\n");
+}
+
+static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,
+ char *buf)
+{
+ struct f71882fg_data *data = f71882fg_update_device(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+
+ return sprintf(buf, "%d\n", data->temp[nr] * 1000);
+}
+
+static ssize_t show_temp_max(struct device *dev, struct device_attribute
+ *devattr, char *buf)
+{
+ struct f71882fg_data *data = f71882fg_update_device(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+
+ return sprintf(buf, "%d\n", data->temp_high[nr] * 1000);
+}
+
+static ssize_t store_temp_max(struct device *dev, struct device_attribute
+ *devattr, const char *buf, size_t count)
+{
+ struct f71882fg_data *data = dev_get_drvdata(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+ int val = simple_strtoul(buf, NULL, 10) / 1000;
+
+ if (val > 255)
+ val = 255;
+
+ mutex_lock(&data->update_lock);
+ f71882fg_write8(data, F71882FG_REG_TEMP_HIGH(nr), val);
+ data->temp_high[nr] = val;
+ mutex_unlock(&data->update_lock);
+
+ return count;
+}
+
+static ssize_t show_temp_max_hyst(struct device *dev, struct device_attribute
+ *devattr, char *buf)
+{
+ struct f71882fg_data *data = f71882fg_update_device(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+
+ return sprintf(buf, "%d\n",
+ (data->temp_high[nr] - data->temp_hyst[nr]) * 1000);
+}
+
+static ssize_t store_temp_max_hyst(struct device *dev, struct device_attribute
+ *devattr, const char *buf, size_t count)
+{
+ struct f71882fg_data *data = dev_get_drvdata(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+ int val = simple_strtoul(buf, NULL, 10) / 1000;
+ ssize_t ret = count;
+
+ mutex_lock(&data->update_lock);
+
+ /* convert abs to relative and check */
+ val = data->temp_high[nr] - val;
+ if (val < 0 || val > 15) {
+ ret = -EINVAL;
+ goto store_temp_max_hyst_exit;
+ }
+
+ data->temp_hyst[nr] = val;
+
+ /* convert value to register contents */
+ switch(nr) {
+ case 0:
+ val = val << 4;
+ break;
+ case 1:
+ val = val | (data->temp_hyst[2] << 4);
+ break;
+ case 2:
+ val = data->temp_hyst[1] | (val << 4);
+ break;
+ }
+
+ f71882fg_write8(data, nr ? F71882FG_REG_TEMP_HYST23 :
+ F71882FG_REG_TEMP_HYST1, val);
+
+store_temp_max_hyst_exit:
+ mutex_unlock(&data->update_lock);
+ return ret;
+}
+
+static ssize_t show_temp_crit(struct device *dev, struct device_attribute
+ *devattr, char *buf)
+{
+ struct f71882fg_data *data = f71882fg_update_device(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+
+ return sprintf(buf, "%d\n", data->temp_ovt[nr] * 1000);
+}
+
+static ssize_t store_temp_crit(struct device *dev, struct device_attribute
+ *devattr, const char *buf, size_t count)
+{
+ struct f71882fg_data *data = dev_get_drvdata(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+ int val = simple_strtoul(buf, NULL, 10) / 1000;
+
+ if (val > 255)
+ val = 255;
+
+ mutex_lock(&data->update_lock);
+ f71882fg_write8(data, F71882FG_REG_TEMP_OVT(nr), val);
+ data->temp_ovt[nr] = val;
+ mutex_unlock(&data->update_lock);
+
+ return count;
+}
+
+static ssize_t show_temp_crit_hyst(struct device *dev, struct device_attribute
+ *devattr, char *buf)
+{
+ struct f71882fg_data *data = f71882fg_update_device(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+
+ return sprintf(buf, "%d\n",
+ (data->temp_ovt[nr] - data->temp_hyst[nr]) * 1000);
+}
+
+static ssize_t show_temp_type(struct device *dev, struct device_attribute
+ *devattr, char *buf)
+{
+ struct f71882fg_data *data = f71882fg_update_device(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+
+ return sprintf(buf, "%d\n", data->temp_type[nr]);
+}
+
+static ssize_t show_temp_beep(struct device *dev, struct device_attribute
+ *devattr, char *buf)
+{
+ struct f71882fg_data *data = f71882fg_update_device(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+
+ if (data->temp_beep & (1 << (nr + 1)))
+ return sprintf(buf, "1\n");
+ else
+ return sprintf(buf, "0\n");
+}
+
+static ssize_t store_temp_beep(struct device *dev, struct device_attribute
+ *devattr, const char *buf, size_t count)
+{
+ struct f71882fg_data *data = dev_get_drvdata(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+ int val = simple_strtoul(buf, NULL, 10);
+
+ mutex_lock(&data->update_lock);
+ if (val)
+ data->temp_beep |= 1 << (nr + 1);
+ else
+ data->temp_beep &= ~(1 << (nr + 1));
+
+ f71882fg_write8(data, F71882FG_REG_TEMP_BEEP, data->temp_beep);
+ mutex_unlock(&data->update_lock);
+
+ return count;
+}
+
+static ssize_t show_temp_alarm(struct device *dev, struct device_attribute
+ *devattr, char *buf)
+{
+ struct f71882fg_data *data = f71882fg_update_device(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+
+ if (data->temp_status & (1 << (nr + 1)))
+ return sprintf(buf, "1\n");
+ else
+ return sprintf(buf, "0\n");
+}
+
+static ssize_t show_temp_fault(struct device *dev, struct device_attribute
+ *devattr, char *buf)
+{
+ struct f71882fg_data *data = f71882fg_update_device(dev);
+ int nr = to_sensor_dev_attr(devattr)->index;
+
+ if (data->temp_diode_open & (1 << (nr + 1)))
+ return sprintf(buf, "1\n");
+ else
+ return sprintf(buf, "0\n");
+}
+
+static ssize_t show_name(struct device *dev, struct device_attribute *devattr,
+ char *buf)
+{
+ return sprintf(buf, DRVNAME "\n");
+}
+
+
+static int __devinit f71882fg_probe(struct platform_device * pdev)
+{
+ struct f71882fg_data *data;
+ int err, i;
+ u8 start_reg;
+
+ if(!(data = kzalloc(sizeof(struct f71882fg_data), GFP_KERNEL)))
+ return -ENOMEM;
+
+ data->addr = platform_get_resource(pdev, IORESOURCE_IO, 0)->start;
+ mutex_init(&data->update_lock);
+ platform_set_drvdata(pdev, data);
+
+ /* Register sysfs interface files */
+ for (i = 0; i < ARRAY_SIZE(f71882fg_dev_attr); i++) {
+ err = device_create_file(&pdev->dev, &f71882fg_dev_attr[i]);
+ if (err)
+ goto exit_unregister_sysfs;
+ }
+
+ start_reg = f71882fg_read8(data, F71882FG_REG_START);
+ if (start_reg & 0x01) {
+ for (i = 0; i < ARRAY_SIZE(f71882fg_in_temp_attr); i++) {
+ err = device_create_file(&pdev->dev,
+ &f71882fg_in_temp_attr[i].dev_attr);
+ if (err)
+ goto exit_unregister_sysfs;
+ }
+ }
+
+ if (start_reg & 0x02) {
+ for (i = 0; i < ARRAY_SIZE(f71882fg_fan_attr); i++) {
+ err = device_create_file(&pdev->dev,
+ &f71882fg_fan_attr[i].dev_attr);
+ if (err)
+ goto exit_unregister_sysfs;
+ }
+ }
+
+ data->class_dev = hwmon_device_register(&pdev->dev);
+ if (IS_ERR(data->class_dev)) {
+ err = PTR_ERR(data->class_dev);
+ goto exit_unregister_sysfs;
+ }
+
+ return 0;
+
+exit_unregister_sysfs:
+ for (i = 0; i < ARRAY_SIZE(f71882fg_dev_attr); i++)
+ device_remove_file(&pdev->dev, &f71882fg_dev_attr[i]);
+
+ for (i = 0; i < ARRAY_SIZE(f71882fg_in_temp_attr); i++)
+ device_remove_file(&pdev->dev,
+ &f71882fg_in_temp_attr[i].dev_attr);
+
+ for (i = 0; i < ARRAY_SIZE(f71882fg_fan_attr); i++)
+ device_remove_file(&pdev->dev, &f71882fg_fan_attr[i].dev_attr);
+
+ kfree(data);
+
+ return err;
+}
+
+static int __devexit f71882fg_remove(struct platform_device *pdev)
+{
+ int i;
+ struct f71882fg_data *data = platform_get_drvdata(pdev);
+
+ platform_set_drvdata(pdev, NULL);
+ hwmon_device_unregister(data->class_dev);
+
+ for (i = 0; i < ARRAY_SIZE(f71882fg_dev_attr); i++)
+ device_remove_file(&pdev->dev, &f71882fg_dev_attr[i]);
+
+ for (i = 0; i < ARRAY_SIZE(f71882fg_in_temp_attr); i++)
+ device_remove_file(&pdev->dev,
+ &f71882fg_in_temp_attr[i].dev_attr);
+
+ for (i = 0; i < ARRAY_SIZE(f71882fg_fan_attr); i++)
+ device_remove_file(&pdev->dev, &f71882fg_fan_attr[i].dev_attr);
+
+ kfree(data);
+
+ return 0;
+}
+
+static int __init f71882fg_find(int sioaddr, unsigned short *address)
+{
+ int err = -ENODEV;
+ u16 devid;
+ u8 start_reg;
+ struct f71882fg_data data;
+
+ superio_enter(sioaddr);
+
+ devid = superio_inw(sioaddr, SIO_REG_MANID);
+ if (devid != SIO_FINTEK_ID) {
+ printk(KERN_INFO DRVNAME ": Not a Fintek device\n");
+ goto exit;
+ }
+
+ devid = superio_inw(sioaddr, SIO_REG_DEVID);
+ if (devid != SIO_F71882_ID) {
+ printk(KERN_INFO DRVNAME ": Unsupported Fintek device\n");
+ goto exit;
+ }
+
+ superio_select(sioaddr, SIO_F71882FG_LD_HWM);
+ if (!(superio_inb(sioaddr, SIO_REG_ENABLE) & 0x01)) {
+ printk(KERN_WARNING DRVNAME ": Device not activated\n");
+ goto exit;
+ }
+
+ *address = superio_inw(sioaddr, SIO_REG_ADDR);
+ if (*address == 0)
+ {
+ printk(KERN_WARNING DRVNAME ": Base address not set\n");
+ goto exit;
+ }
+ *address &= ~(REGION_LENGTH - 1); /* Ignore 3 LSB */
+
+ data.addr = *address;
+ start_reg = f71882fg_read8(&data, F71882FG_REG_START);
+ if (!(start_reg & 0x03)) {
+ printk(KERN_WARNING DRVNAME
+ ": Hardware monitoring not activated\n");
+ goto exit;
+ }
+
+ err = 0;
+ printk(KERN_INFO DRVNAME ": Found F71882FG chip at %#x, revision %d\n",
+ (unsigned int)*address,
+ (int)superio_inb(sioaddr, SIO_REG_DEVREV));
+exit:
+ superio_exit(sioaddr);
+ return err;
+}
+
+static int __init f71882fg_device_add(unsigned short address)
+{
+ struct resource res = {
+ .start = address,
+ .end = address + REGION_LENGTH - 1,
+ .flags = IORESOURCE_IO,
+ };
+ int err;
+
+ f71882fg_pdev = platform_device_alloc(DRVNAME, address);
+ if(!f71882fg_pdev)
+ return -ENOMEM;
+
+ res.name = f71882fg_pdev->name;
+ err = platform_device_add_resources(f71882fg_pdev, &res, 1);
+ if(err) {
+ printk(KERN_ERR DRVNAME ": Device resource addition failed\n");
+ goto exit_device_put;
+ }
+
+ err = platform_device_add(f71882fg_pdev);
+ if(err) {
+ printk(KERN_ERR DRVNAME ": Device addition failed\n");
+ goto exit_device_put;
+ }
+
+ return 0;
+
+exit_device_put:
+ platform_device_put(f71882fg_pdev);
+
+ return err;
+}
+
+static int __init f71882fg_init(void)
+{
+ int err = -ENODEV;
+ unsigned short address;
+
+ if (f71882fg_find(0x2e, &address) && f71882fg_find(0x4e, &address))
+ goto exit;
+
+ if ((err = platform_driver_register(&f71882fg_driver)))
+ goto exit;
+
+ if ((err = f71882fg_device_add(address)))
+ goto exit_driver;
+
+ return 0;
+
+exit_driver:
+ platform_driver_unregister(&f71882fg_driver);
+exit:
+ return err;
+}
+
+static void __exit f71882fg_exit(void)
+{
+ platform_device_unregister(f71882fg_pdev);
+ platform_driver_unregister(&f71882fg_driver);
+}
+
+MODULE_DESCRIPTION("F71882FG Hardware Monitoring Driver");
+MODULE_AUTHOR("Hans Edgington (hans@edgington.nl)");
+MODULE_LICENSE("GPL");
+
+module_init(f71882fg_init);
+module_exit(f71882fg_exit);
projects / GitHub / LineageOS / android_kernel_motorola_exynos9610.git / commitdiff